Search Results — 2000 specimen records retrieved (1607 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/consortium/).
 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
  CAS-BOT-BC73597  Abies concolor John Thomas Howell 1960-8-22 s.n. Tehama Lassen Volcanic National Park, Manzanita Lake 1783 Comment
  CAS-BOT-BC78094  Abies magnifica John Thomas Howell 1960-8-19 36140 Tehama Brokeoff Mt. Trail 2590 Comment
  UC1085288  Abies magnifica var. magnifica Jim M. Crawford 1957-8-3 14 Tehama 1 mi e Dry Lake (Quad 33A-1); Lassen National Forest 2072 Comment
Read comments
Jul 21 2009
  UC688872  Abutilon theophrasti Dana I. Glover Jr. 1943-9-30 Tehama about 12 mi se Corning (on w side of Sacramento River) Comment
  CAS-BOT-BC331640  Acer macrophyllum Saichi Kawahara 1968-5-5 403 Tehama Hwy 32, 4 miles SW of Hwy 36, at Deer Creek 1396 Comment
  HSC75054  Acer macrophyllum J. P. Smith, Thomas W. Nelson 1978-7-22 10055 Tehama Shasta-Trinity National Forest, Wells Creek Camp. 1372 Comment
  CHSC61758  Achillea millefolium Vernon H. Oswald; Lowell Ahart 1993-9-2 5905 Tehama Ridge running E from Mt. Linn, South Yolla Bolly Mtns., ca. 20 mi (air) NW of Paskenta. 2407 Comment
  OBI55505  Achillea millefolium David J. Keil 1992-7-25 23596 Tehama Lassen Natl forest along hwy 89. 0.8 mi S of Lassen Volcanic Natl park S boundary Comment
  JEPS76266  Achnatherum occidentale subsp. californicum Todd Keeler-Wolf 1977-9-10 669 Tehama e slopes of Mt. Linn South Yolla Bolly Mtns., Mt. Linn 2377 Comment
  CHSC63232  Achnatherum stillmanii Lowell Ahart 1994-7-24 7523 Tehama About 2 miles (by road) north-west of Willow Creek, about 2 1/2 (air) miles north of Cherry Hill. 1676 Comment
  JEPS96708  Achnatherum stillmanii Dean W. Taylor 1997-6-6 16018 Tehama ridge dividing Rock Creek from Deer Creek; 3 air miles N of Cohasset 1036 Comment
  UCD51413  Achnatherum stillmanii Dean W. Taylor 1976-7-7 6029 Tehama Highway 32 in canyon of Deer Cr. near Alder Cr. campground approx. 7.8 miles west of jct. with Highway 89. 1173 Comment
  CHSC71018  Achyrachaena mollis Vernon Oswald; Lowell Ahart 1998-5-14 9047 Tehama Hwy. 36 between Red Bluff and Patina, 2.3 mi east of Vestal Rd. 274 Comment
  CHSC9262  Achyrachaena mollis D. C. Burns 1971-4-6 125 Tehama Abundant along Lassen rd., 5 yds. N of rd and ca. .4 mi e of the intersection of Lassen rd. and highway 99E. 76 Comment
  UCD104023  Acmispon brachycarpus Collector unknown 1950-6-1 s.n. Tehama Gleason Plot, near Alder Cr. 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
  CHSC102320  Acmispon wrangelianus L. P. Janeway 2009-4-4 9717 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
  UC1245129  Aconitum columbianum J. M. Tucker 1959-7-19 3572 Tehama n. side S. Yolla Bolly Mt. (upper (south) side of Square Lake); , Square Lake 2118 Comment
  CAS-BOT-BC391372  Aconitum columbianum subsp. columbianum John Thomas Howell 1960-8-18 36077 Tehama Near Lassen Volcanic National Park. Bluff Falls 1981 Comment
  CAS-BOT-BC391371  Aconitum columbianum subsp. columbianum J. M. Tucker 1959-7-19 3572 Tehama Upper (south) side of Square Lake, north side of South Yolla Bolly Mountain 2133 Comment
  CAS-BOT-BC412929  Aconogonon davisiae John Thomas Howell 1960-8-19 36159 Tehama Lassen Volcanic National Park. Brokeoff Mt. Trail 2682 Comment
  CAS-BOT-BC412921  Aconogonon davisiae M. S. Jussel 1931-9-6 s.n. Tehama Bumpas Hell Trail 2286 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
  CAS-BOT-BC412923  Aconogonon davisiae Milo S. Baker 1940-8-15 9854 Tehama Rocky Summit between Mendocino & Tehama Cos. near Anthony Peak Lookout Comment
  CAS-BOT-BC412927  Aconogonon davisiae P. A. Munz 1951-7-26 16935 Tehama Just below summit of South Yolla Bolly Pk. 2438 Comment
  UCD128470  Acourtia microcephala N. H. Macleod 1964-6-4 s.n. Tehama exact location unknown. Comment
  UCD128473  Acourtia microcephala N. H. Macleod 1978-7-6 s.n. Tehama exact location unknown. Comment
  SBBG25855  Adenocaulon bicolor D. Myrick 1966-8-7 1472 Tehama North Yolla Bolly Mtn 1524 Comment
  HSC72228  Adenostoma fasciculatum Thomas W. Nelson, Jane P. Nelson 1980-6-23 5862 Tehama Along Pettyjohn Rd., 0.5 mi. E of junction with road to Saddle Camp 915 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
  CAS-BOT-BC65602  Adiantum jordanii B. Garamendi 1974-5-11 34 Tehama 200 yds. W of Ponderosa Way and Deer Creek Crossing 609 Comment
  SJSU4662  Agoseris heterophylla R. L. MacDonald & N. D. Addy 1962-6-30 Tehama on State Rte 36 c. 11 mi W of Mineral Comment
  JEPS7512  Agoseris heterophylla var. heterophylla Milo S. Baker and H. K. Wagnon 1953-5-31 12729 Tehama along logging road w, near 5 mi post Paskenta Comment
  CAS-BOT-BC13183  Agoseris monticola George W. Gillett 1957-8-13 1059 Tehama Lassen Volcanic National Park. Brokeoff Mountain, ca. 1.5 miles from Sulpher Works Checking Station near Brokeoff Trail 2286 Comment
  CHSC102680  Agrostis exarata Lowell Ahart; John Dittes, Josephine Guardino 2009-8-27 16347 Tehama West side of pond, on the east side of Forest Service Road 29N25A, Childs Meadows, about 2,600 feet south of the intersection of Highway 36 (89) and Forest Service Road 29N25A, 2.3 miles (air) northeast of the town of Mill Creek, 9.1 miles (air) south of Lassen Peak. T29N R04E, area between southeast 1/4 Section 23 and southwest 1/4 Section 24. 1493 Comment
  CHSC65355  Agrostis exarata Lowell Ahart 1995-10-3 7663 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
  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
  SEINET6843679 Image available Agrostis gigantea Robert A. Evers, Clara V. Evers 1975-8-23 115014 Tehama 2 miles (3.2 km) west of Mineral. 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
  JEPS100276  Agrostis idahoensis Dean W. Taylor 1992-8-22 13211 Tehama Wilson Lake Road (Forest Road 29N63), 0.7 miles East from Highway 89, Lassen National Forest 1554 Comment
  CHSC105912  Agrostis scabra B. Castro; L. P. Janeway 1999-8-23 1034 N.1 Tehama High North Coast Ranges. Yolla-Bolly Wilderness, ca 0.6 mi ENE of jcn Tehama, Trinity, and Mendocino Co lines, and 0.6 mi NE of the 'Green Springs' location on topo map. Along road going NE from 'Green Springs', near its jcn with USFS Route M2. Near but not associated with springs, in dry forest floor in semi-shade of red firs by road edge. 1810 Comment
  CHSC97411  Agrostis scabra Robert Fischer 2006-7-16 1031 Tehama Childs Meadow. Cascade Range High, off Hwy. 32 south of the Hwy. 36 junction, part of the Deer Creek Meadow. 1402 Comment
  CHSC94567  Agrostis stolonifera Lowell Ahart 2006-9-9 13267 Tehama On the east bank of Colby Creek, about 150 yards west of the dirt road, about 2 miles (air) southeast of Colby Mountain, about 5 miles (air) northeast of Butte Meadows. 1525 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
  UCD53587  Agrostis stolonifera Milo S. Baker 1940-8-13 9818 Tehama at Government Flat near the Mendocino County line. 1524 Comment
  JEPS113236  Aira caryophyllea Lowell Ahart, John Dittes, Josephine Guardino 2007-4-3 13628 Tehama On the east side of Brush Creek (a north branch), about 4 miles (air) northeast of the intersection of Highway 99 East and Vina Road, about 7 miles (air) southeast of Los Molinos 112 Comment
  CHSC40493  Alisma triviale Pauleen Broyles 1982-7-2 776 Tehama The Nature Conservancy Vina Plains Preserve. Where ditch crosses Hwy 99 ca. .35 mi. s of jct. with Lassen Road. 60 Comment
  SEINET260869  Allium Leila M. Shultz 1990-5-5 11261 Tehama Northern Coastal Range area, Corning District of the Mendocino Forest. 305 Comment
  CHSC9259  Allium amplectens D. C. Burns 1971-4-6 126 Tehama Abundant along Lassen rd., ca. 5 yds n of rd. and ca. 0.4 mi e of the intersection of Lassen rd. and highway 99E. 76 Comment
  SEINET3883753  Allium amplectens Helen K. Sharsmith 1954-6-24 4344 Tehama Southwest ridge leading to Eagle Peak, one mile below summit, Mendocino National Forest.; 0 1067 Comment
  UC1010442  Allium amplectens Milo S. Baker and H. K. Wagnon 1953-5-31 12726 Tehama near 5 mi post on logging rd. w Paskenta Comment
  UC2031397  Allium amplectens Barbara Ertter with Brad Olson 1991-7-4 10216 Tehama Toomes Camp Rd (Mendocino FR 23N01) 12.5 mi W of Paskenta, 0.1 mi E of Elder Creek Riley Ridge junction, ca 25 air miles W of Corning 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
  SEINET198085  Allium campanulatum L. Kellogg 1952-7-16 67 Tehama Mendocino National Forest ; N Coast Ranges Near Squaw Camp and Pole Corral on Boswell Ridge directly S of Yolla Bolly Mtn 2134 Comment
  SEINET5778980 Image available Allium hoffmanii F. W. Hoffman 1950-7-2 3238 Tehama jct of Wildwood and Regan Meadow rds; exactly on line btwn Tehema and Trinity counties Comment
  UC1731206  Allium sanbornii var. sanbornii Dean W. Taylor 1997-8-1 16167 Tehama south canyon wall of South Fork Battle Creek; about 2 air miles N of Highway 36 1310 Comment
  SEINET198084  Allium siskiyouense L. Kellogg 1952-7-17 75 Tehama Mendocino National Forest ; S Yolla Bolly Mtn Middle Eel-Yolla Bolla Primitive Area 2438 Comment
  JEPS61514  Allium validum Joseph Grinnell 1925-6-29 Tehama Mineral 1463 Comment
  UC1001320  Allium validum Louise Kellogg 1952-7-15 48 Tehama near Squaw Camp and Pole Corral (directly s of South Yolla Bolly Mountain); North Coast Ranges, Mendocino National Forest, Boswell Ridge 2133 Comment
  CAS-BOT-BC474318  Allium validum Milo S. Baker 1940-8-12 9798 Tehama Bank of Creek at Government Flat Comment
  JEPS117346  Allophyllum divaricatum Lowell Ahart, John Dittes 2010-7-17 16852 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
  CHSC75293  Allophyllum gilioides subsp. violaceum Vernon H. Oswald; Lowell Ahart 1999-4-21 9706 Tehama High Trestle-McClure Place Trail starting on Hogback Road ca. 0.5 mi northeast of Finley Lake. 731 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
  JEPS98973  Allophyllum integrifolium Lowell Ahart 2001-6-16 8867 Tehama On west side of the dirt road, near Ike Dye Hill, about 2 miles west of Highway 32, west of Soda Springs Campground, about 3 miles (air) west of Butte Meadows. 1341 Comment
  CHSC81350  Alnus rhombifolia Jenny Marr; Heidi West, Joyce Lacey 1998-5-21 Tehama Vicinity of South Fork Cottonwood Creek and Cooks Flat. 310 Comment
  CAS-BOT-BC138149  Alopecurus aequalis var. aequalis John Thomas Howell 1960-8-20 36223 Tehama Lassen Volcanic National Park. Morgan. 1463 Comment
  CHSC26617  Alopecurus saccatus M. P. Hayes 1978-3-28 137 Tehama Collected along Leininger road, approx. 0.8 mi e of Highway 99. 40 Comment
  CHSC66121  Alopecurus saccatus Vernon H. Oswald; Lowell Ahart 1996-4-29 7490 .1 Tehama Thomes Creek Ecological Reserve. CDFG parcel on the S side of Gyle Rd. NW of Corning. 103 Comment
  JEPS88316  Alopecurus saccatus Vernon H. Oswald and Lowell Ahart 1996-4-29 7490 .1 Tehama n.w. of Corning (CDFG parcel on s. side of Gyle Rd., large vernal pool in cluster of pools n. of farm pond located on s. boundary); n.w. Sacramento Valley 103 Comment
  UCD36233  Alopecurus saccatus Beecher Crampton 1953-4-29 1160 Tehama Tehama County, 4 miles south of Dales, along Route 36. Comment
  CHSC116175  Amaranthus albus Lowell Ahart 2015-6-22 20256 Tehama About 1/4 mile north of Lassen Road, about 1.7 miles northeast of the intersection of Lassen Road and State Highway 99-E, about 4 miles (air) east of Vina, about 7 miles (air) southeast of Los Molinos. 74 Comment
  CHSC65044  Amaranthus albus Vernon H. Oswald; Lowell Ahart 1995-7-17 7064 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. Parking area at the S end of the old highway. 213 Comment
  CHSC116179  Amaranthus californicus Lowell Ahart; John Dittes 2015-6-22 20250 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
  CDA6728  Ambrosia artemisiifolia L. Ahart, J. Dittes 2003-9-17 10567 Tehama On the south side of Deer Creek, about 400 yards east of Highway 99, about 5 miles (air) southeast of Los Molinos. Comment
  CHSC105655  Ambrosia artemisiifolia Lowell Ahart; John Dittes 2010-10-4 17280 Tehama Along Toomes Creek, Toomes Creek at Tehama-Vina Road crossing, 1.2 miles (air) east of the Sacramento River, 3.4 miles (air) southeast of Los Molinos (High School), 3.0 miles (air) northwest of Vina. 57 Comment
  HSC75373  Amelanchier alnifolia J. O. Sawyer, K. A. Sawyer 1980-6-18 3456 Tehama Humboldt Trail 0.5 mi. E of N Yolla Bolly Guard Station. 1860 Comment
  JEPS45501  Amelanchier utahensis Jos. Grinnell 1925-6-15 Tehama Mineral Comment
  UCD112906  Amelanchier utahensis Dean W. Taylor 1976-7-9 6038 Tehama At headwaters of Cub Creek. 1859 Comment
  CHSC84600  Ammannia coccinea Lowell Ahart; John Dittes 2003-9-17 10582 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
  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
  CDA15848  Amsinckia intermedia G. F. Hrusa, J. Hart 2000-4-8 15291 Tehama Sacramento Valley; Coyote Creek Conservation Area. A Comment
  HSC49036  Amsinckia intermedia Patricia Shesgreen 1978-5-13 86 Tehama Beegum Gorge, FS Rd. 1S02, 2.7 mi. off Hwy. 36 and A16 976 Comment
  CHSC65915  Amsinckia menziesii Vernon H. Oswald; Lowell Ahart 1996-4-15 7378 Tehama Thomes Creek Ecological Reserve. CDFG parcel on the S side of Gyle Rd. NW of Corning. Northwest side of Sacramento Valley. On the bank of the intermittent stream ca. 0.6 mi E of the lane. 99 Comment
  CHSC78817  Amsinckia menziesii Julie Cunningham; Natalie Wight 1998-5-19 Tehama Vicinity of North Fork Stony Creek and Rocky Ridge. 274 Comment
  JEPS61109  Amsinckia menziesii var. menziesii Virginia Bailey 1938-4-16 Tehama 6 mi w Paskenta (Covelo Road) Comment
  UCD18767  Anagallis minima Vernal Pool Team 2001; Carol Witham and Jennifer Buck 2001-4-13 60 Tehama along the Manton Rd. (A6), 2 mi past its intersection with Hwy 36, on a ridge past Dales Lake, Inks Creek site. Comment
  CHSC102610  Anaphalis margaritacea L. P. Janeway 2009-7-26 9876 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
  JEPS2891 Image available Ancistrocarphus filagineus W. L. Jepson 1899-4-25 14764 Tehama Crane Creek Stivers Ranch (w Tehama Co.) Comment
  CHSC105666  Andropogon virginicus var. virginicus Lowell Ahart; John Dittes 2010-10-4 17290 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
  JEPS117640  Andropogon virginicus var. virginicus Lowell Ahart, John Dittes 2010-10-4 17290 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
  CHSC79112  Androsace elongata subsp. acuta B. Castro; L. P. Janeway 2000-3-21 1035 Tehama Vicinity of Paskenta, Round Valley Rd, and Williams Butte. 259 Comment
  CHSC83378  Androsace elongata subsp. acuta L. P. Janeway; Shirley Innecken 2002-3-19 7445 Tehama Inner North Coast Ranges. Vicinity of Williams Butte and Thomes Creek. 292 Comment
  JEPS13782  Androsace elongata subsp. acuta W. L. Jepson 1932-5-9 16323 Tehama n Paskenta (sw Tehama County) 304 Comment
Read comments
Jul 1 2009
  JEPS28459  Anemone drummondii George W. Gillett 1957-8-13 1070 Tehama s. exposure of upper Brokeoff formation Brokeoff Mt.; Lassen Volcanic Nat'l Park, Brokeoff Mt. 2743 Comment
  JEPS75776  Anemone oregana Todd Keeler-Wolf and Virginia Keeler-Wolf 1971-6-18 186 Tehama 3/4 mi s North Yolla Bolly Guard Station (along trail); Yolla Bolly Mtns 1767 Comment
  HSC70548  Angelica californica J. M. DiTomaso 1979-8-26 1496 Tehama Hwy 32, 3/4 mi from Tehama-Plumas Co. line 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
  UCD129083  Antennaria dimorpha D. W. Taylor; G. L. Stebbins Jr. 1972-6-18 1521 Tehama summit ofTedoc Mountain. 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
  CAS-BOT-BC58677  Antennaria geyeri P. A. Munz 1951-7-26 16922 Tehama East side of Yolla Bolly Peak 2316 Comment
  UC1481252  Anthriscus caucalis D. B. Dunn and B. J. Cox 1971-6-10 17953 Tehama 8 mi e Red Bluff (on Calif Hwy 36) Comment
  SEINET10951061  Anthriscus caucalis David B. Dunn, Billy Joe Cox 1971-6-10 Dunn 17953 Tehama 8 mi. E of Red Bluff on CA Hwy 36. 305 Comment
  CHSC105940  Antirrhinum cornutum Lowell Ahart; John Dittes 2010-7-17 16853 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
  JEPS101555  Antirrhinum cornutum Dean W. Taylor 1997-6-10 16039 Tehama Pine Creek, ca. 8 miles west of Cottonwood; along Benson Road 182 Comment
  CHSC76787  Antirrhinum subcordatum J. Marr; C. Warren 1999-5-12 99 -399 Tehama About 18 air miles W of Red Bluff, vicinity of Red Bank Creek. 304 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
  CHSC87852  Antirrhinum subcordatum Lowell Ahart 2004-6-11 11019 Tehama Hillside on the west 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
  JEPS102430  Antirrhinum subcordatum Lowell Ahart 2001-6-8 8787 Tehama On the west side of road M2, about 9 miles west of Paskenta. 792 Comment
  JEPS4270  Antirrhinum subcordatum W. L. Jepson 1899-4-25 21303 Tehama near Rosewood (Stiver's Ranch) Comment
  JEPS98976  Antirrhinum subcordatum Lowell Ahart 2001-6-8 8787 Tehama On the west side of road M2, about 9 miles west of Paskenta. 792 Comment
  UC1949179  Antirrhinum subcordatum Barbara Ertter 1991-5-18 9842 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
  RSA0029777  Antirrhinum subcordatum Barbara J. Ertter 1990-5-12 8940 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. 0 Comment
  SEINET13710164  Antirrhinum vexillocalyculatum Lowell William Ahart, Lowell William Ahart 2001-1 8789 Tehama 9 Mi. W of Paskenta (T24N, R7W, sec 34, Ctr. of West Border) 2600 Ft. 792 Comment
  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
  JEPS88419  Aphanes occidentalis Vernon H. Oswald and Lowell Ahart 1996-4-3 7306 Tehama nw of Corning (CDFG parcel on s side of Gyle Road, nw side of Sacramento Valley, intermittent stream 0.3 mi e of dirt lane along w side of parcel); Thomes Creek Ecological Reserve, Sacramento Valley 103 Comment
  JEPS88888  Aphanes occidentalis Vernon H. Oswald and Lowell Ahart 1994-3-8 5976 Tehama at the shoreline Burris Creek Arm of Black Butte Lake (near the e end of Morrison Bryant Rd) 144 Comment
  CHSC45338  Aphyllon epigalium subsp. epigalium Vernon Oswald 1986-8-4 2267 Tehama Brokeoff Mt. Trail, Lassen Volcanic National Park. 2651 Comment
  SBBG25827  Apocynum androsaemifolium D. Myrick 1966-8-6 1455 Tehama Dry Lake, South Yolla Bolly Mtn 1524 Comment
  CHSC109227  Apocynum cannabinum B. Castro; L. P. Janeway 2004-6-13 1470 Tehama Northern High Sierra Nevada. Along Old Forbestown Road 1.6 road mi SE of Forbestown Reservoir Road; 2.25 air mi E of Forbestown; near headwaters of Costa Creek; 0.15 rd mi NW of jcn with Abernathy Rd. 829 Comment
  RSA667318  Aquilegia formosa George K. Helmkamp 2001-7-8 6955 Tehama Trinity Mtns: CA 36, 7 miles W of Wildwood at Telephone Ridge. 1280 Comment
  RSA123574  Aquilegia formosa G. D. Barbe 1955-7-22 247 Tehama 100ft above the S Shore of Square Lake near a streamlet, alt 7000ft 2134 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
  UCR3730  Aralia californica Frank C. Vasek 1964-8-5 640805- 01 Tehama North Coast Range, White Rock Rd., 8.2 mi from [west of] State Hwy 36 732 Comment
  JEPS101271  Arceuthobium abietinum Dean Wm. Taylor with Glenn Clifton 1992-8-22 13202 Tehama Lassen Volcanic National Park, Mt. Conard, east slope in the head of unnamed creek draining to Spencer Meadow, near the Plumas County line 2392 Comment
  UCD101912  Arceuthobium americanum Lalit M. Srivastava 1957-10-19 17 Tehama Spring Camp, Mill Creek, ca. 3 miles south of State Highway 36 on road intersecting the highway ca. 3 miles east of State Highway 89. Comment
  UCD101948  Arceuthobium campylopodum Lalit M. Srivastava 1957-10-19 14 Tehama Near junction of State Highways 36 and 89. 1828 Comment
  UCD101957  Arceuthobium campylopodum Lalit M. Srivastava 1958-7-10 62 Tehama State Highway 36, Mineral Summit. 1615 Comment
  UC727066  Arctostaphylos X candidissima A. A. Heller 1943-7-10 Tehama Log Springs Comment
  CAS-BOT-BC27221  Arctostaphylos acutifolia Alice Eastwood; John Thomas Howell 1941-7-9 9718 Tehama Log Spring Ridge between Log Spring and Government Flat Comment
  CAS-BOT-BC27240  Arctostaphylos candidissima Alice Eastwood; John Thomas Howell 1941-7-9 9752 Tehama Log Spring Ridge between Log Spring and Government Flat Comment
  CAS-BOT-BC23938  Arctostaphylos canescens subsp. canescens Alice Eastwood; John Thomas Howell 1941-7-9 9752 Tehama Log Spring Ridge between Log Spring and Government Flat Comment
  CAS-BOT-BC23939  Arctostaphylos canescens subsp. canescens John Thomas Howell 1943-8-8 19213 Tehama Log Spring Ridge, 1.1 miles west of ranger station. Comment
  UC1043528  Arctostaphylos canescens subsp. canescens P. C. Everett and E. K. Balls 1954-10-16 20318 Tehama 2 mi w Mud Flat Forest Camp (along road from Paskenta to Covelo) 975 Comment
  UC704290  Arctostaphylos manzanita subsp. manzanita Frank A. Pitelka 1943-6-15 205 Tehama 2 mi se Beegum 502 Comment
  RSA256978  Arctostaphylos manzanita subsp. roofii Gary D. Wallace 1975-8-24 1497 Tehama Mendocino N. F. along F.S. Rd. 23N06 2 mi. W. of Davies Ridge, near head of Scott Ck. 1372 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
  SEINET10736126  Arctostaphylos manzanita subsp. roofii Andrew Townesmith, Karen M. Meyer 2007-8-5 Townesmith 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. T23N R7W S28. 654 Comment
  SEINET11987215  Arctostaphylos manzanita subsp. wieslanderi W. Knight, Knight, I. 1980-1 3853 Tehama Tilden Botanic Garden, Berkeley, orig. from E of Red Bluff Comment
  CAS-BOT-BC39954  Arctostaphylos nevadensis H. P. Bracelin 1931-5-30 387 Tehama Mt. Lassen, above Mineral 2438 Comment
  CAS-BOT-BC40060  Arctostaphylos nevadensis Roger Raiche 1985-7-27 50677 Tehama Log Springs road near intersection with road to Sugar Spring Campgrond-Government Flat, near marker 35.68. 682 Comment
  RSA339389  Arctostaphylos nevadensis Roger Raiche 1985-7-27 RR- 50677 Tehama Log Springs Road near intersection with road to Sugar Spring Campground-Government Flat, near marker 35.68. 683 Comment
  POM209913  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
  RSA39729  Arctostaphylos patula P. A. Munz 1947-5-18 11853 Tehama On Hwy 89 2 miles south of main south entrance to Lassen Park. 1890 Comment
  UC1052008  Arctostaphylos patula R. A. Manning 1954-2-24 4 Tehama Inskip Lookout rd Quadrangle 33-B-3 (on very old burn) 762 Comment
  SEINET10449253  Arctostaphylos patula Mary Susan Taylor 1977-8-17 Taylor 1473 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
  SEINET11984817  Arctostaphylos patula R. Gankin, Hildreth, W. R. 1966-1 713 Tehama on Forest Service Rd 23N04 (Valley View access road) 7 mi S of junction with FS Rd 23N02 Comment
  UCD52822  Arctostaphylos viscida R. Tofsrud 1949-6-1 s.n. Tehama Gleason Burn Plot; Highway 36, near Payne's Creek. Comment
  CHSC68496  Arctostaphylos viscida subsp. pulchella Vernon H. Oswald 1997-3-20 8313 Tehama Round Valley Rd.(M4) 5.8 mi W of Newville Rd., W of Salt Creek Conservation Camp. 457 Comment
  CHSC88582  Arctostaphylos viscida subsp. pulchella L. P. Janeway 2001-6-10 7133 Tehama High North Coast Ranges. At Tedoc Gap. 1372 Comment
  SBBG128038  Arctostaphylos viscida subsp. viscida L. Ahart, J. Dittes 2010-7-17 16877 Tehama just S of the gate, ca. 40 yards E of the barn, Soap Crk Ranch, ca. 4.8 mi SE of Manton, ca. 2 mi N of Hwy 36 829 Comment
  JEPS102886  Argemone munita subsp. munita Lowell Ahart 2001-6-14 8823 Tehama On the E side of road M2, ca 7.5 miles W of Paskenta. 579 Comment
  HSC22034  Argemone munita subsp. munita Richard Spjut 1971-5-15 1897 Tehama Mendocino National Forest, 25 mi. W of Corning 915 Comment
  CDA31427  Aristida oligantha T. C. Fuller 1963-7-15 10857 Tehama 1.4 mi. s.e. of Vina, roadside, E side of Hwy 99E to Chico. 0 Comment
  CHSC81337  Aristida ternipes var. hamulosa L. P. Janeway; Shirley Innecken 2001-5-16 7045 Tehama Vicinity of Williams Butte, Round Valley Road, and Thomes Creek. 365 Comment
  CHSC107085  Aristolochia californica M. Mitchell 2010-2-25 49 Tehama Dye Creek Preserve. 94 Comment
  CHSC65695  Aristolochia californica Vernon H. Oswald; Lowell Ahart, Joe Molter 1996-3-25 7266 Tehama Cascade Range Foothills. Hog Lake Plateau. BLM parcel along Hwy. 36 NE of Red Bluff; along Paynes Creek in NE corner of the plateau. 152 Comment
  CHSC67152  Aristolochia californica James D. Jokerst 1981-2-23 1237 Tehama Wurlitzer Ranch on Pine Creek, 1.0 mi E of Meridian Rd. 45 Comment
  JEPS97459  Aristolochia californica Vernon H. Oswald 1995-3-1 6498 Tehama Dales Lake Ecological Reserve. Cascade Range Foothills, basalt substrate. W side of Manton Rd. (A6) ca. 1 mi n of Dales Station on Hwy. 36, ca. 14 mi ne of Red Bluff, bordering the w edge of Manton Rd. just s of the borrow pit. 219 Comment
  CHSC45626  Arnica chamissonis Vernon H. Oswald 1984-7-16 1588 Tehama W end of Wilson Lake located ca. 8 mi E of Mineral. 1609 Comment
  CHSC59073  Arnica mollis Vernon H. Oswald 1992-8-19 5168 Tehama Lassen Volcanic National Park. Meadowy drainage W of the upper end of the ski lift, ca. 0/5 mi NW of the Southwest Entrance Station. 2182 Comment
  JEPS75797  Arnica mollis Todd and Virginia Keeler-Wolf 1973-9-2 543 Tehama Last Camp Yolla Bolly Mountains 2164 Comment
  UCD56019  Arrhenatherum elatius R. Tofsrud 1951-6-1 s.n. Tehama Anthony Peak, near Summit. Comment
  UC91227  Artemisia douglasiana T. S. Brandegee 1892-9-20 Tehama Yolo Bolo Comment
  CHSC25032  Asclepias cordifolia Bob Garamendi 1974-5-10 68 Tehama Mill/Deer Creek Study Area. 100 yds w of Payne Place on Antelope creek. 396 Comment
  RSA401672B  Asclepias cordifolia J. P. Smith 1979-6-24 10193 Tehama Shasta- Trinity National Forest. 1 mile from Stuart Gap on the road to Tedoc Gap. 1402 Comment
  SEINET10840929  Asclepias cordifolia Billy Joe Cox, David B. Dunn 1971-6-10 Cox 2844 Tehama 14 mi. E. Of mineral on calif. Hwy 36; at camp in gurnsey national forest; andrositic flow; abies concolor. Pinus ponderosa, p. Flexilis, pseudotsuga menziesii. Comment
  SJSU2530  Asclepias eriocarpa R. L. MacDonald & N. D. Addy 1962-6-30 Tehama by Hwy 36 c. 11 mi W of Mineral Comment
  CHSC21255  Asclepias fascicularis M. S. Taylor 1975-10-22 964 Tehama Vina Plains, ca. 16 mi n of Chico. 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
  CHSC64939  Asclepias solanoana Vernon H. Oswald; Lowell Ahart 1995-7-12 7048 Tehama High North Coast Ranges, W of Red Bluff and S of Platina on Forest Road 28N05, 0.3 mi S of Forest Road 28N60 (to the summit of Tedoc Mtn.). 1456 Comment
  HSC75119  Asclepias solanoana J. P. Smith, Thomas W. Nelson 1979-6-23 10159 Tehama Shasta-Trinity National Forest, Tedoc. Mtn. 1463 Comment
  JEPS76671  Asclepias solanoana L. R. Heckard 1972-6-17 2953 Tehama nw side Tedoc Mt. (along new road around w of mountain) 1280 Comment
  CHSC61391  Aspidotis densa Vernon H. Oswald; Lowell Ahart 1993-8-18 5850 Tehama E slope of Mt. Conard near the S boundary of the park. Lassen Volcanic National Park. 2078 Comment
  RSA739804  Aster subulatus var. ligulatus John Dittes, Josephine Guardino 2008-10-8 1547 Tehama Northern Sacramento Valley, E bank of Sacramento River at Southern edge of Mill Creek confluence 63 Comment
  CHSC53950  Astragalus accidens var. hendersonii Vernon H. Oswald 1991-4-30 4537 Tehama Hwy 36, 0.9 miles west of Paynes Creek, at the power transmission lines. 557 Comment
  JEPS96701  Astragalus clevelandii Dean W. Taylor 1997-7-17 16130 Tehama Toomes Camp Road (Forest Road M2) 8 road miles West from Paskenta, vicinity of Beehive Flat 685 Comment
  CHSC62932  Astragalus gambelianus Vernon H. Oswald; Lowell Ahart 1994-4-6 6083 Tehama Burris Creek Arm of Black Butte Lake, on the shoreline near the E end of Morrison-Bryant Rd. 144 Comment
  JEPS87657  Astragalus gambelianus Vernon H. Oswald and Lowell Ahart 1994-4-6 6083 Tehama on the shoreline Burris Creek Arm of Black Butte Lake (upper strand of the lake, near e end of Morrison-Bryant Road) 144 Comment
  CHSC53953  Astragalus pauperculus Vernon H. Oswald 1991-4-30 4543 Tehama Hwy 36, 8.1 miles east of Paynes Creek, 1.8 miles west of Ponderosa Way. 960 Comment
  CHSC68698  Astragalus pauperculus Vernon H. Oswald; Lowell Ahart 1994-5-14 8456 Tehama Between Mill and Deer creeks on Ponderosa Way (Forest Rd. 28N29) 0.2 mi southeast of Lassen Emigrant Trailhead. 1164 Comment
  RSA0006840  Astragalus pauperculus R. C. Barneby 1954-5-15 11496 Tehama 4 miles SW of Dales. 198 Comment
  RSA0006842  Astragalus pauperculus R. C. Barneby 1954-5-15 11491 Tehama 2.5 miles E of Paynes Creek. 625 Comment
  RSA66677  Astragalus purshii var. purshii P. A. Munz 1951-7-26 16939 Tehama East side of South Yolla Bolly Pk. 2348 Comment
  CHSC76516  Astragalus rattanii var. jepsonianus Heidi West; Janny Marr 1998-7-2 Tehama Vicnity of Dry Creek and Red Bank Creek. 268 Comment
  JEPS21031  Astragalus rattanii var. jepsonianus W. L. Jepson 1899-4-27 13756 Tehama Salt Gulch Yollo Bolly Mountains, Greasewood Hills, Salt Gulch (Greasewood Hills, Yollo Bolly Mountains, western Tehama County) Comment
  JEPS97436  Astragalus whitneyi var. siskiyouensis Vernon H. Oswald and L. Ahart 1995-7-12 7036 Tehama T28N R9W NE1/4 Sec. 29, 5300 ft, High North Coast Ranges, Yellow Pine Forest, rocky serpentine soils. W of Red Bluff and S of Platina on the summit of Tedoc Mtn. (end of Forest Road 28N60) 1615 Comment
  UC1299228  Astragalus whitneyi var. siskiyouensis Freed W. Hoffman 1949-7-21 3050 Tehama Summit Mt. Tedoc North Coast Ranges, Summit Mt. Tedoc (North Coast Ranges, western Tehama County) Comment
  CHSC9740  Asyneuma prenanthoides Nancy Mosman 1971-7-17 121 Tehama Found at bottom of slope 2 ft e of Hwy 32 ca. 19.6 mi s of Chester. 1066 Comment
  JEPS97427  Asyneuma prenanthoides Vernon H. Oswald and L. Ahart 1995-7-12 7018 Tehama High North Coast Ranges. W. of Red Bluff and S of Plantina on Forest Route 45 (Tedoc Mtn. Rd.), 4.9 mi S of Hwy. 36. 1097 Comment
  CHSC117578  Athyrium distentifolium var. americanum Lowell Ahart; John Dittes, Josephine Guardino 2016-9-21 21360 Tehama Wet area west of Highway 89, about 50 yards south of Bluff Falls, about 1 mile south of Lassen Volcanic National Park, about 2 1/2 miles (air) north of Morgan Mountain. 1963 Comment
  JEPS28762  Athyrium distentifolium var. americanum George W. Gillett 1957-8-13 1057 Tehama 1/2 mi from Sulphur Works Checking Station (Brokeoff Mt, near first major stream crossing); Lassen Volcanic Nat'l Park, Brokeoff Mt 2133 Comment
  JEPS127315  Athyrium filix-femina var. cyclosorum Lowell Ahart, John Dittes, Josephine Guardino 2016-9-21 21359 Tehama 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. Comment
  JEPS97455  Athysanus pusillus Vernon H. Oswald and L. Ahart 1995-2-13 6479 Tehama Dales Lake Ecological Reserve. T29N R2W NW1/4 NE1/4 Sec. 26, 740 ft, Cascade Range Foothills, Blue Oak Woodland, basalt substrate. W side of Manton Rd. (A6) ca. 1 mi n of Dales Station on Hwy. 36, ca. 14 mi ne of Red Bluff 225 Comment
  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
  UCD56126  Avena barbata A. A. Beetle 1942-5-19 3302 Tehama 10 miles W of Red Bluff. Comment
  JEPS97252  Avena fatua Vernon H. Oswald and L. Ahart 1995-4-17 6676 Tehama T29N R2W NE1/4 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. 1.5 mi n of Dales Station on Hwy. 36, ca. 14 mi ne of Red Bluff 213 Comment
  CAS-BOT-BC98215  Baccharis salicifolia J. D. Coffman 1923-10-28 848 Tehama Paskenta 30 Comment
  JEPS94523  Balsamorhiza deltoidea Vernon Oswald and Lowell Ahart 1997-6-10 8563 Tehama between Paskenta and Covelo on M2 (23N69) 0.6 mi n of its junction with the road to Wells Cabin Campground (24N02) Wells Cabin Campground; between Paskenta and Covelo on M2 1828 Comment
  CAS-BOT-BC106472  Balsamorhiza sagittata E. B. Babcock 1903-7-1 4293 Tehama Near Morgan, Mount Lassen - Mill Creek Canyon 2438 Comment
  CAS-BOT-BC106473  Balsamorhiza sagittata A. A. Heller 1928-5-30 14594 Tehama Open places in the yellow pine forest at Mineral 1524 Comment
  HSC6592  Barbarea orthoceras John L. Heywood, D. H. Norris 1968-3-31 1882 Tehama Hwy. 36, 53 mi. E of Shasta Co. line Comment
  CHSC65697  Barbarea verna Vernon H. Oswald; Lowell Ahart, Joe Molter 1996-3-25 7264 Tehama Cascade Range Foothills. Hog Lake Plateau. BLM parcel along Hwy. 36 NE of Red Bluff. On a gravel bar in Paynes Creek in the NE corner of the plateau. 152 Comment
  UC1010400  Berberis aquifolium var. dictyota Milo S. Baker 1953-5-10 12623 Tehama w Paskenta (on logging rd near 15 mi post) Comment
  CAS-BOT-BC75613  Berberis dictyota Lowell Ahart 1970-3-22 s.n. Tehama Near Manton. 609 Comment
  JEPS94578  Berberis nervosa Vernon Oswald and Lowell Ahart 1997-7-7 8694 Tehama Forest Route 35 near northeast corner of the Yolla Bolly-Middle Eel Wilderness (at creek); Cedar Creek 1066 Comment
  CAS-BOT-BC413087  Bistorta bistortoides A. A. Heller 1928-5-30 14577 Tehama At Mineral 1524 Comment
  JEPS90230  Boechera Dean Wm. Taylor with Glenn L. Clifton 1992-8-22 13204 Tehama head of unnamed creek draining to Spencer Meadow (e slope of Mount Conard); Sierra Nevada, Mount Conard 2392 Comment
  UCD114360  Boechera breweri Robert E. Preston 1986-4-25 535 Tehama ca. 10 km sw of Paskenta, on Round Valley Rd, ca. 1 km e of Bennett Cr. 702 Comment
  UC1609212  Boechera howellii Vernon H. Oswald and Lowell Ahart 1993-9-2 Tehama ca 20 mi (air) nw Paskenta (ridge running e from Mt. Linn, n side of the ridge near the summit); South Yolla Bolly Mtns. 2438 Comment
  CHSC65398  Boechera lemmonii Vernon Oswald 1986-7-24 2239 Tehama Summit of Brokeoff Mountain Trail, Lassen Volcanic National Park. 2804 Comment
  JEPS13520  Boechera repanda Rimo Bacigalupi with G. T. Robbins, K. Wagnon, and D. Barbe 1955-7-17 5338 Tehama 1.2 mi below and s Overlid (Butte County) (and 0.75 mi e and above Somerset's Meadow) 1889 Comment
  UC1036145  Boechera sparsiflora George W. Gillett 1953-7-3 262 Tehama near Diamond Peak; Lassen Volcanic National Park 2225 Comment
  POM183721  Boisduvalia densiflora H. P. Bracelin 1932-7-23 654 Tehama Paine s Creek, 21.5 miles west of Mineral 488 Comment
  RSA107436  Boisduvalia stricta L. S. Rose 1955-6-19 55070 Tehama Flood bed and sandbars of Dibble Creek, 1.5 mi. N of Red Bluff 91 Comment
  UCD21178  Bolboschoenus maritimus subsp. paludosus Vernal Pool Team 2002; Carol Witham and Jennifer Buck 2002-6-10 353 Tehama Vina Plains, SE of intersection between Highway 99 and Lassen Road. Lassen Road site. Pool # LAS100. Comment
  UC2031496  Botrychium simplex Barbara Ertter with Brad Olson 1991-7-6 10381 Tehama Rocky Cabin meadow ca. 1 mi S of Ball Rock, 1 mi SE of Cold Spring Forest Station, ca 30 air miles W of Corning Comment
  CAS-BOT-BC127685  Brickellia greenei John Thomas Howell 1960-8-23 36462 Tehama Lassen Loop s. of Diamond Peak 2194 Comment
  CAS-BOT-BC127686  Brickellia greenei John Thomas Howell 1960-8-18 36025 Tehama Bluff Falls 1981 Comment
  UC1584300  Brickellia greenei Julie Kierstead 1990-9-11 90 -153 Tehama 3 mi s of, Yolla Bolla R.D. Tedoc Mtn. 1524 Comment
  CHSC107970  Brodiaea californica var. californica B. Castro 2011-6-11 1888 Tehama Inner North Coast Range/northern Sacramento Valley edge. At S end of Red Bluff, between railroad and Hwy 99W 0.25 mi S of its intersection with on/off ramps for Hwy I-5, opposite St. Elizabeth's Hospital. 88 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
  SEINET10932594  Brodiaea congesta Jeffrey Huber 1971-6-10 Huber 280 A Tehama 18 miles e of red bluff on calif. Hwy. 36; In live oak, pinus ponderosa, and Digger pine. Ne slope (approx. 2 Degrees); rocky soil 549 Comment
  UCD148225  Brodiaea coronaria Robert E. Preston 2007-5-11 2488 Tehama 5.8 mi NW of Corning, ca. 0.4 mi S of Gyle Rd. 108 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
  CHSC100292  Brodiaea elegans D. Isle 1989-6-22 1503 Tehama Mendocino National Forest - North Coast Ranges Thomes Creek Watershed. Moist spot on north edge of road M2, approximately 9(+) miles west of Paskenta. 914 Comment
  RSA376763  Brodiaea elegans subsp. elegans George Willet 1936-6-29 s.n. Tehama E of Red Bluff. 1220 Comment
  UC768605  Brodiaea minor R. F. Hoover 1937-5-19 2298 Tehama 6 mi s Corning Comment
  CAS-BOT-BC484570  Brodiaea minor John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-5-19 53453 Tehama 0.3 mile S of South Fork Cottonwood Creek on road from Red Bluff to Beegum 243 Comment
  UC903263  Brodiaea nana Ethel Crum 1932-5-9 1435 Tehama SE of Red Bluff; North Coast Ranges 91 Comment
  UCD32616  Bromus Beecher Crampton 1954-6-16 1981 Tehama Tehama County, Mendocino National Forest, 1 mile south of Hawell Saddle. 1828 Comment
  UCD80533  Bromus carinatus var. carinatus CNPS SN Foothill Team 2005-6-21 SNNR 0348 a Tehama USFS Lassen National Forest, near the edge of the study boundary northwest of Black Rock Campground. Comment
  JEPS88304  Bromus commutatus Vernon H. Oswald and Lowell Ahart 1996-5-20 7606 Tehama ne of Red Bluff (Cascade Range Foothills, Hog Lake Plateau, BLM parcel along Hwy 36, along Paynes Creek); Cascade Range Foothills, Hog Lake Plateau, Paynes Creek 158 Comment
  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
  HSC102682  Bromus hordeaceus J. P. Smith 2013-5-5 13696 Tehama Along State Route 36, southeast of Hog Lake. 162 Comment
  UCD58652  Bromus hordeaceus A. A. Beetle 1942-5-18 3309 Tehama Near Paynes Creek. Comment
  SEINET14410097  Bromus hordeaceus J. R. Reeder, C. G. Reeder 1981-5-20 7354 Tehama ca 6.5 km SW of Dales. 240 Comment
  CHSC71063  Bromus madritensis subsp. madritensis Vernon Oswald; Lowell Ahart 1998-5-14 9043 Tehama Hwy. 36 west of Red Bluff, 1.3 mi west of Cannon Rd. Roadside. 274 Comment
  CHSC41040  Bromus madritensis subsp. rubens Pauleen Broyles 1982-6-22 761 Tehama The Nature Conservancy Vina Plains Preserve. Near barn in s pasture. 62 Comment
  CHSC66062  Bromus madritensis subsp. rubens Vernon H. Oswald; Lowell Ahart 1996-5-6 7509 Tehama Cascade Range Foothills. Hog Lake Plateau. BLM parcel along Hwy. 36 NE of Red Bluff. Ca. 0.1 mi N of the gravel road and 0.1 mi W of the Jeep Trail. 213 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
  JEPS97215  Bromus madritensis subsp. rubens Vernon H. Oswald and L. Ahart 1995-4-3 6598 Tehama T29N R2W NE1/4 NE1/4 Sec. 26, 740 ft, Cascade Range Foothills, Blue Oak Woodland, basalt substrate. Dales Lake Reserve on the W side of Manton Rd. (A6) ca. 2 mi n of Dales Station on Hwy. 36, ca. 14 mi ne of Red Bluff 225 Comment
  CHSC88593  Bromus orcuttianus L. P. Janeway 2001-6-10 7149 Tehama High North Coast Ranges. Slope above Road 28N10, 1.1 km northeast of Stuart Gap. Upper minor side drainage into South Fork Beegum Creek. 1515 Comment
  SEINET10523835  Bromus rigidus Paul Gallian, Billy Joe Cox 1971-6-10 Gallian 713 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
  JEPS94356  Bromus sterilis Vernon H. Oswald and Lowell Ahart 1997-5-14 8416 Tehama se of the town of Paynes Creek (Plum Creek Road 0.1 mi w of Hogback Road); Plum Creek Road 969 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
  CHSC96537  Calandrinia ciliata Lowell Ahart 2007-5-8 13763 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
  SJSU5597  Calandrinia ciliata J. W. Tilden 1960-6-26 1474 Tehama Wilson L 1524 Comment
  JEPS88122  Callitriche hermaphroditica Vernon H. Oswald and Lowell Ahart 1996-4-29 7484 Tehama nw of Corning (CDFG parcel on the s side of Gyle Rd, farm pond located on s boundary, Thomes Creek Ecological Reserve, nw side of Sacramento Valley); Sacramento Valley, Thomes Creek Ecological Reserve 105 Comment
  CHSC65952  Callitriche heterophylla var. bolanderi Vernon H. Oswald; Lowell Ahart 1996-4-23 7443 Tehama Cascade Range Foothills. Hog Lake Plateau. BLM parcel along Hwy. 36 NE of Red Bluff. In a flood channel of Paynes Creek just downstream from the power line at this location. 147 Comment
  JEPS88508  Callitriche longipedunculata Vernon H. Oswald and Lowell Ahart 1996-4-15 7363 Tehama Northwest side of Sacramento Valley. Thomes Creek Ecological Reserve. CDFG parcel on the S side of Gyle Rd. NW of Corning. Drainage on the S side of the intermittent stream ca. 0.1 mi E of the lane 103 Comment
  SBBG34144  Calocedrus decurrens L. M. Srivastava 1957-10-19 18 Tehama Mineral Summit, ca. 3 mi SE of Mineral Comment
  CAS-BOT-BC487763  Calochortus amabilis R. F. Hoover 1965-5-29 9413 Tehama Dry Creek Valley west of Red Bluff on Beegum Road Comment
  SEINET3885026  Calochortus coeruleus var. fimbriatus Louise Kellogg 1952-7-9 7 Tehama Near Squaw Camp and Pole Corral on Boswell Ridge directly south of South Yolla Bolly Mountain.; 0 2134 Comment
  CAS-BOT-BC488621  Calochortus elegans var. nanus Alice Eastwood; John Thomas Howell 1941-7-9 9790 Tehama Government Flat Comment
  HSC75398  Calochortus elegans var. nanus J. O. Sawyer, K. A. Sawyer 1980-6-18 3564 Tehama Humboldt Trail E of Low Gap 1829 Comment
  CHSC67313  Calochortus luteus James D. Jokerst 1983-5-18 1768 Tehama Wurlitzer Ranch E of Meridian Rd., between Zimmershed and Pine creeks ca 0.5 mi W of the powerline. 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
  JEPS17760  Calochortus minimus Joseph Grinnell 1925-6-23 Tehama Battle Creek Meadow 1463 Comment
  UC2042835  Calochortus monophyllus Barbara Ertter 1990-5-13 8945 Tehama 0.1 mi W of Lassen Lodge fire station on Highway 36, ca. 7 1/2 mi W of Mineral. Comment
Read comments
Feb 26 2020
  UCD139554  Calochortus monophyllus Beecher Crampton 1953-4-30 1189 Tehama 1.5 miles south of Paynes Creek. 548 Comment
  CHSC118397  Calochortus monophyllus Tim Kask 2016-4-7 261 Tehama Antelope Creek, from Fischer CG. 10T 0597775/4456103 473 Comment
  CHSC32841  Calochortus superbus Lora L. Anderson 1981-4-26 14 Tehama Ca. 0.5 mi w of Sacramento River, 1.5 mi from I-5, 4.5 mi n of Red Bluff. 94 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
  JEPS101295  Calochortus superbus Dean Wm. Taylor with Glenn L. clifton, and Jim Andre 1990-4-24 10644 Tehama dry wash near junction of Spring Branch Road (Manton Road) with Gover Road, ca. 400 m upstream from road 134 Comment
  OBI76947  Calochortus superbus Anthony Baniaga 2011-6-12 340 Tehama CDFG: Tehama State Wildlife Area. At intersection of Plum Crk Rd (202) and Oak Crest Rd (28N94). Inskip hill quad T28N R1E sec 5 SW of NW 647 Comment
  UC1618163  Calochortus superbus Barbara Ertter, Brad Olson 1993-5-15 11802 Tehama s of Battle Creek (Spring Branch Road, ca 15 air mi n of Red Bluff) 182 Comment
  UC1950179  Calochortus superbus Barbara Ertter 1991-5-18 9856 Tehama Rosewood Ranch on Salt Creek ca 17 airmiles WNW of Red Bluff, ca 1/2 mi S of Hwy 36; W-facing ridge-slope Comment
  SEINET3992196  Calochortus tolmiei Unknown 1952-7-9 7 Tehama North coast ranges, Mendocino National Forest; near Squaw Camp and Pole Corral on Boswell Ridge directly south of South Yolla Bolly Mountain 2134 Comment
  RSA17440  Calochortus tolmiei Elmer I. Applegate 1932-4-13 7048 Tehama Begum Comment
  CAS-BOT-BC175775  Caltha leptosepala C. R. Quick 1950-6-17 50 -30 Tehama Edge of Mill Creek Meadow, W of Gurnsey Camp Ground, Lassen National Forest Comment
  UC1953739  Calycadenia 1978-7-6 2115 Tehama Long Gulch Camp along US Hwy 36 (Beegum Road), ca. 0.5 mi SE of Tedoc Road jct, ca. 40 mi NW of Red Bluff Comment
  CHSC113001  Calycadenia ciliosa Lowell Ahart 2013-8-2 18999 Tehama On the west side of Burris Creek, on the south side of the poor dirt road crossing of Burris Creek, north of Burris Creek Bridge on Morrison Bryant Road at Black Butte Lake, about 14 miles (air) northwest of Orland. 138 Comment
  CAS-BOT-BC273396  Calycadenia fremontii R. L. Carr 1978-7-6 2111 Tehama Long Gulch Camp along US Hwy 36 (Beegum Rd), ca. 0.5 mi SE of Tedoc Rd jct, ca. 40 mi NW of Red Bluff 503 Comment
  CHSC76117  Calycadenia fremontii G. F. Hrusa; J. Hart 1998-5-10 14425 Tehama Northern Sacramento Valley. S side of Coyote Creek, Coyote Creek Conservation Area, approx. 1.5 mi W of Paskenta Rd. 130 Comment
  CHSC77531  Calycadenia fremontii B. Castro; L. P. Janeway, J. Marr, C. Warren 1999-8-11 1030 Tehama About 22 air miles W of Red Bluff, vicinity of S. Fork Cottonwood Creek. 341 Comment
  UC1971724  Calycadenia fremontii 1978-7-6 2111 Tehama Long Gulch Camp along US Hwy 36 (Beegum Road), ca. 0.5 mi SE of Tedoc Road jct, ca. 40 mi NW of Red Bluff 503 Comment
  CAS-BOT-BC273395  Calycadenia fremontii G. D. Carr 1971-9-18 663 Tehama NW of Red Bluff on Hwy 36, 6.0 mi W of its jct with Vestal Rd (just W of Ball Rd) 473 Comment
  RSA789304  Calycadenia fremontii R. L. Carr 1978-7-6 2110 Tehama At jct of Tedoc Rd & Hwy 36 near Beegum, ca. 40 mi W of Red Bluff. 561 Comment
  RSA789801  Calycadenia fremontii R. L. Carr 1978-8-17 2136 Tehama CR A5 (Bowman Road), 0.6 miles south of Luce and Griswald Roads (ca. 13 miles southwest of Cottonwood). 191 Comment
  UC1971676  Calycadenia fremontii 1977-7-4 2025 Tehama Hwy 36, ca. 7.9 mi NE of jct with Hwy 99 (E of Red Bluff), milepost 61.8 (2.2 mi W of Paynes Road 458 Comment
  UC1971721  Calycadenia fremontii 1978-7-6 2105 Tehama 7.0 mi E of Vestal Road on Hwy 36 (near GDC 662) 226 Comment
  UC1971773  Calycadenia fremontii R. L. Carr 1977-10-6 3393 Tehama 3.1 mi E of Hwy 99 on Hogsback Rd, SW-facing slope before summit Comment
  CHSC78792  Calycadenia multiglandulosa J. Marr; N. Wight, C. Warren, H. West 1998-6-9 Tehama West of Red Bluff, vicinity of Red Bank Creek and Sunflower Gulch. 304 Comment
  CDA10577  Calycadenia pauciflora L. Ahart 2004-6-11 11015 Tehama Along the Nomalaki Trail, about 100 yards north of Bowers Creek, about 3/4 mile northwest of Forest Road 23N69 (Mud Flat Road), about 6 1/2 miles (air) southwest of Paskenta. Comment
  CHSC78600  Calycadenia pauciflora J. Marr; C. Warren 1998-7-8 Tehama West of Red Bluff, vicinity of Red Bank Creek, Red Bank Road, and Sunflower Gulch. 289 Comment
  JEPS94646  Calycadenia pauciflora Vernon Oswald and Lowell Ahart 1997-7-7 8662 Tehama on Pettyjohn Rd. (Forest Rd. 35 = 28N35) 0.4 mi e Trinity NF boundary (ca 42 mi w of Red Bluff) 853 Comment
  JEPS3561  Calycadenia pauciflora Milo S. Baker and H. K. Wagnon 1953-7-12 12908 Tehama w of Paskenta 457 Comment
  RSA255563  Calycadenia pauciflora Gerald D. Carr 1973-7-23 741 Tehama 11.6 miles NW of Paskenta on Toomes Camp Road 1067 Comment
  RSA93136  Calycadenia pauciflora Milo S. Baker, H. K. Wagnon 1953-6-20 12743 Tehama Logging rd. west of Paskenta near 8th or 9th mile post. Comment
  UC1876239  Calycadenia pauciflora Gerald D. Carr 1973-6-23 740 Tehama 1.4 m NE of Glenn Co. line on West Black Butte Rd. 213 Comment
  UC1876253  Calycadenia pauciflora Gerald D. Carr 1973-7-2 747 Tehama 1.5 mi S of Vestal Rd. on Weemasoul Rd. 381 Comment
  UC1876256  Calycadenia pauciflora Gerald D. Carr 1973-6-16 738 Tehama 0.1 mi S of Hwy 36 on Tedoc Rd. 426 Comment
  JEPS104279  Calycadenia truncata Lowell Ahart 2003-9-17 10571 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
  JEPS109587  Calycadenia truncata Dean W. Taylor 2002-7-2 18212 Tehama Big Chico Creek canyon, ca. 0.5 mile west of Highway 32 at the Butte County Line 1036 Comment
  UCD129883  Calycadenia truncata R. L. Carr 1977-7-4 2024 Tehama 2.2 miles west of Paynes Road Junction on Highway 36 (milepost 61.80, around 17.9 northeast of Red Bluff, junction Hway 99). 464 Comment
  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
  CHSC115780  Calyptridium monospermum Lowell Ahart; John Dittes 2015-8-5 20467 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
  CHSC94365  Calyptridium monospermum Lowell Ahart 2006-7-19 13013 Tehama Open 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
  CHSC110835  Calyptridium umbellatum David Isle; Rhonda Isle, Justin Isle 1989-6-29 2006 Tehama Sierra Nevada Range. (E end HW 32 w/in 3 mi of HW36 Jct on Lassen Natl. Forest. Conifer forest opening.) Comment
  CHSC94369  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
  HSC81970  Calystegia occidentalis subsp. occidentalis Thomas W. Nelson, Jane Nelson 1979-6-25 4897 Tehama Along road from Tedoc Gap to Well's Creek, 0.25 mi. SE of Weston Ranch 1280 Comment
  HSC96835  Calystegia occidentalis subsp. occidentalis L. Ahart 2006-7-19 13031 Tehama 100 yards W of dirt rd., 50 yards E of Colby Creek, 2 mi. SE of Colby Mtn., 5 mi. NE of Butte Meadows 1526 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
  UCD80235  Calystegia occidentalis subsp. occidentalis CNPS SN Foothill Team 2005-6-21 SNNR 0348 b Tehama USFS Lassen National Forest, near the edge of the study boundary northwest of Black Rock campground. 1211 Comment
  JEPS33784  Camissonia contorta Virginia Bailey 1938-4-16 Tehama 6 mi w Paskenta (on road to Covelo) Comment
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Jul 20 2020
  JEPS90064  Camissonia contorta Dean W. Taylor 1991-4-11 11607 Tehama w base of Tuscan Buttes, in ('Seven Mile Lake'), Sacramento Valley Tuscan Buttes; Sacramento Valley, Tuscan Buttes 286 Comment
  SEINET1910381  Campanulaceae Dean W. Taylor 1995-1 14900 Tehama ca. 8 miles SE of Corning, North Fork Hall Creek 137 Comment
  CAS-BOT-BC37007  Capsella bursa-pastoris John Thomas Howell 1960-8-20 36247 Tehama Near Lassen Volcanic National Park. Morgan. 1463 Comment
  CHSC40698  Capsella bursa-pastoris Pauleen Broyles 1982-3-5 337 Tehama The Nature Conservancy Vina Plains Preserve. Along ditches. 60 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
  CHSC57355  Cardamine oligosperma S. R. Mitchelson 1987-4-12 7 Tehama Ca 25 m e of jct of N. Fork of Antelope Creek and Deadhorse Creek. Along creeks. 936 Comment
  CAS-BOT-BC38053  Cardamine pachystigma John Thomas Howell 1944-7-14 19760 Tehama Anthony Peak, east side. Comment
  CHSC102687  Carex abrupta Lowell Ahart; John Dittes, Josephine Guardino 2009-8-27 16333 -A Tehama About 30 yards south of the dam, about 100 yards east of Forest Service Road 29N25A, Childs Meadows, about 5/8 mile 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
  SEINET4292259 Image available Carex abrupta Unknown 2001-1 7228 Tehama Lyonsville quad. High Cascade Range. Along North Fork Antelope Creek at crossing of Road 29N48; about 3.7 km northwest of Turner Mountain. Comment
  UCD140083  Carex amplifolia L. P. Janeway 2000-6-30 6858 Tehama High North Coast Ranges. Springs at Eagle Rock Camp; about 1.6 km north of Round Mountain and 2.4 km west of Eagle Peak. 981 Comment
  CAS-BOT-BC17804  Carex amplifolia DeLoy H. Esplin; Ralph K. Gierisch 1968-10-4 2 Tehama Lassen National Forest. Deer Creek Highway 32 4.5 miles northeast of forest boundary. 1219 Comment
  CHSC82137  Carex angustata L. P. Janeway 2001-7-29 7392 Tehama High Cascade Range. At Tamarack Spring; about 4.5 km south-southeast of Turner Mountain; the head of Gunbarrel Creek. Meadow. 1667 Comment
  CHSC60429  Carex athrostachya Mary Ann Showers 1992-6-28 Tehama Lassen Volcanic National Park. Pond below Windy Point, west of Mill Creek. 1950 Comment
  CHSC115831  Carex aurea Lowell Ahart; John Dittes 2015-8-6 20484 Tehama South of the camping area, west side of Childs Meadow, 0.67 air-miles west of intersection of State Highway 36 and Wilson Lake Road (County Road 769), 1.21 air-miles southeast of Doe Mt., 10.41 air-miles south of Lassen Peak. 1498 Comment
  CHSC114433  Carex aurea Barbara L. Wilson; Peter F. Zika 2011-8-1 16725 Tehama Junctioon of gravel roads with Highway 89; UTM 10 635036 east, 4459069 north, +/- 69 feet 1453 Comment
  JEPS63511  Carex barbarae W. L. Jepson 1938-6-10 18972 Tehama Coyote Creek, 6 miles south of Red Bluff 91 Comment
  SEINET13344643  Carex bolanderi P. F. Zika, J. Nelson 2011-7-5 25523 Tehama North Coast Range Highlands (NCoRH) forest road 35, 0.7 air miles NE of Low Gap, 4 air miles NE of Opium Glade Ridge. 1500 Comment
  CAS-BOT-BC19667  Carex brainerdii Alice Eastwood; John Thomas Howell 1941-7-9 9784 Tehama Log Spring Ridge between Log Spring and Government Flat. Comment
  CHSC45062  Carex brainerdii Vernon Oswald 1987-5-11 2383 Tehama Deer Creek Trail ca. 0.75 mi w of the trailhead on Hwy 32 at the first bridge over Deer Creek ne of Windy Cut. 950 Comment
  CAS-BOT-BC34085  Carex breweri John Thomas Howell 1960-8-19 36134 Tehama Lassen Volcanic National Park. Brokeoff Mountain Trail. 2438 Comment
  CAS-BOT-BC34238  Carex capitata H. F. Copeland 1920-7-17 92 Tehama On Butt Mountain. 1828 Comment
  CHSC79374  Carex densa B. Castro; C. Warren 2000-4-13 1076 Tehama Vicinity of Orland W of Highway I-5, along main Rice Creek channel in large open area within planted eucalyptus trees. 83 Comment
  CHSC114412  Carex densa Don Lepley 2014-5-14 Tehama Lassen National Forest; Almanor Ranger District. About 2.2 air miles west of Black Roack and 0.4 mile north of Mill Creek. 731 Comment
  CHSC45077  Carex echinata subsp. echinata Vernon Oswald 1984-6-7 1271 Tehama Calif. Hwy 32, 1.8 mi s-w of Calif. Hwy 36. 1423 Comment
  CHSC102581  Carex fracta L. P. Janeway; B. Castro 2009-7-26 9872 Tehama High Cascade Range. Lassen national Forest; east side of Hwy 89 0.5 road km south of the boundary of Lassen Volcanic National Park; 1.0 km west of (and above) Mill Creek. 1990 Comment
  SEINET4231860 Image available Carex fracta Unknown 2009-1 24610 Tehama 2.5 air km SSE of Bluff Falls, along FS road 29N22 at .2 road miles W of Route 89. Cascade Range Highlands. Comment
  SEINET7559368 Image available Carex fracta Robert F. C. Naczi, A. A. Reznicek 2006-8-1 11397 Tehama Humboldt Summit, just S of Plumas County border, just N of Butte County border, vicinity of Pacific Crest Trail. 2021 Comment
  CAS-BOT-BC20939  Carex heteroneura George Wilson Gillett 1957-8-18 1102 Tehama Lower portion of Brokeoff Mountain trail, .25 mile above Sulphur Works Entrance Station. 2103 Comment
  CAS-BOT-BC28199  Carex hoodii John Thomas Howell 1960-8-18 36088 Tehama Sulphur Works Checking Station, Lassen Volcanic National Park. 2011 Comment
  CAS-BOT-BC28198  Carex hoodii John Thomas Howell 1960-8-18 36034 Tehama Bluff Falls, Lassen Volcanic National Park. 1981 Comment
  CHSC116750  Carex jonesii Lowell Ahart; John Dittes 2015-8-5 20445 Tehama East side of Childs Meadow, 150 yards west of Highway 36, 0.69 air-miles east of Doe Mt., 9.77 air-miles south of Lassen Peak. 1498 Comment
  CHSC106694  Carex lenticularis var. impressa Barbara Ertter; Brad Olson 1991-7-6 10424 Tehama Rocky Cabin meadow ca 1 mi S of Ball Rock, 1 mi SE of Cold Springs Forest Station, ca 30 airmiles W of Corning. 1889 Comment
  RSA66384  Carex lenticularis var. impressa Phillip A. Munz 1951-7-25 16906 Tehama Square Lake, N base of South Yolla Bolly Mountains 2134 Comment
  CAS-BOT-BC28407  Carex lenticularis var. lipocarpa Alice Eastwood; John Thomas Howell 1941-7-9 9805 Tehama Government Flat. Comment
  HSC7135  Carex lenticularis var. lipocarpa Louise Kellogg 1952-7-9 12 Tehama Near Squaw Camp and Pole Corral on Boswell Ridge directly S of S Yolla Bolly Mtn. 2134 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
  CHSC102603  Carex luzulina L. P. Janeway 2009-7-26 9869 Tehama High Cascade Range. Lassen Natgional Forest; east side of Hwy 89 0.5 km south of the boundary of Lassen Volcanic National Park; 1.0 km west of (and above) Mill Creek. 1990 Comment
  CHSC106707  Carex luzulina Barbara Ertter; Brad Olson 1991-7-6 10423 Tehama Rocky Cabin meadow ca 1 mi S of Ball Rock, 1 mi SE of Cold Sprin Forest Station, ca 30 airmiles W of Corning. 1889 Comment
  CAS-BOT-BC31671  Carex luzulina var. ablata John Thomas Howell 1960-8-24 36464 Tehama Lassen Loop, 1/2 mi SE of Sulphur Works. 2133 Comment
  CAS-BOT-BC31673  Carex luzulina var. ablata John Thomas Howell 1961-6-20 36578 Tehama Bluff Falls. 1981 Comment
  JEPS75213  Carex microptera W. B. and V. G. Cooke 1975-9-7 50605 Tehama Broke-off Mountain Trail Lassen Volcanic National Park, Broke-off Mountain Trail Comment
  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
  UC1950431  Carex multicaulis Barbara Ertter with Brad Olson 1991-7-4 10234 Tehama Toomes Camp Rd (Mendocino FR 23N01) 13.5 mi W of Paskenta, Mill Creek crossing 0.9 mi W of Elder Cr/ Riley Ridge jct, ca 27 airmiles W of Corning Comment
  UC2042820  Carex multicaulis Barbara Ertter 1990-5-13 8952 Tehama 0.1 mi W of Lassen Lodge fire station on Highway 36, ca. 7 1/2 mi W of Mineral. Comment
  CHSC47000  Carex nebrascensis K. R. Stern 1986-5-21 8278 Tehama Deer Creek Meadows, 1 mi SE of jct hwys 32 and 36. 1402 Comment
  CHSC106358  Carex nudata Lowell Ahart; John Dittes 2010-7-19 16897 Tehama About 5 yards north of the poor road crossing, on the bottom of 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
  CHSC82670  Carex praticola L. P. Janeway 2001-6-10 7142 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
  UC1950143  Carex scopulorum var. bracteosa Barbara Ertter with Brad Olson 1991-7-6 10422 Tehama Rocky Cabin meadow ca 1 mi S of Ball Rock, 1 mi SE of Cold Spring Forest Station, ca 30 airmiles W of Corning Comment
  CAS-BOT-BC28342  Carex scopulorum var. bracteosa Philip Alexander Munz 1951-7-25 16855 Tehama Square Lake, N base of South Yolla Bolly Mt. 2148 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
  CHSC115835  Carex simulata Lowell Ahart; John Dittes 2015-8-6 20504 Tehama On the south side of small stream, about 100 yards east of the spring, east of the camping area, west side of Childs Meadow, 0.67 air-miles west of intersection of State Highway 36 and Wilson Lake Road (County Road 769), 1.21 air-miles southeast of Doe Mt., 10.41 air-miles south of Lassen Peak. 1498 Comment
  CHSC94372  Carex simulata Lowell Ahart 2006-7-19 13037 Tehama Small meadow, east of the abandoned logging road, about 150 yards northeast of where the dirt road crosses Colby Creek, about 2 miles (air) southeast of Colby Mountain, about 5 1/8 miles (air) northeast of Butte Meadows. 1540 Comment
  CHSC106526  Carex subfusca Peter F. Zika 2009-8-17 24609 Tehama Cascade Range Highlands (CaRH). 2.5 air km SSE of Bluff Falls, along FS road 29N22 at 0.2 road miles W of Route 89. 1895 Comment
  CAS-BOT-BC115819  Carex subfusca Hans Leschke 1955-8-30 s.n. Tehama Trail to Broke off Mountain. 2316 Comment
  RSA66389  Carex subfusca Phillip A. Munz 1951-7-25 16853 Tehama Square Lake, N base of South Yolla Bolly Mountains 2134 Comment
  CHSC77379  Castilleja affinis subsp. affinis L. P. Janeway; Jenny Marr, Mary Ann Griggs 1999-3-10 6387 Tehama Vicinity of Round Valley Road, Newville Road (Garland Road), and Williams Butte. 289 Comment
  CHSC117159  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, est of Highway 32. 1061 Comment
  JEPS9782  Castilleja applegatei subsp. pinetorum Jos. Grinnell 1928-6-24 Tehama Mineral 1463 Comment
  JEPS17600  Castilleja arachnoidea Rimo Bacigalupi with G. T. Robbins, Keith Wagnon and Douglas Barbe 1955-7-16 5329 Tehama 0.25 mi e and 150 ft below summit of South Yollo Bolly Ridge; South Yollo Bolly Ridge 2407 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
  HSC65821  Castilleja attenuata C. Macdonald, P. Powers, C. Raley, J. Spitler, D. Stamp 1980-5-3 91 Tehama 1.5 mi. SSW of BM1797 on Rd. 29N15 610 Comment
  JEPS95700  Castilleja attenuata Vernon H. Oswald and L. Ahart 1995-4-3 6580 Tehama T29N R2W SW1/4 NW1/4 Sec. 26, 680 ft, Cascade Range Foothills, Stony Tuscan Loam over hardpan. Dales Lake Reserve on the W side of Manton Rd. (A6) ca. 1.5 mi n of Dales Station on Hwy. 36, ca. 14 mi ne of Red Bluff 207 Comment
  JEPS9972  Castilleja attenuata Virginia Bailey 1938-4-16 Tehama 6 mi w Paskenta (on Paskenta-Covelo road) Comment
  UCD160068  Castilleja attenuata James A. Neilson 1975-4-29 3149 Tehama Along Hwy 36, ca. 4 miles west of Salt Creek. (Exact location unknown. Elevation and coordinates estimated by label maker.) 304 Comment
  CHSC77382  Castilleja foliolosa L. P. Janeway; B. Castro 1999-6-10 6461 Tehama North side of Dry Creek about 1.7 mi west of Red Bank Creek, on the west slope of the 'Water Gap. 316 Comment
  CHSC80697  Castilleja foliolosa Lowell Ahart 2001-6-8 8790 Tehama On the west side of road M2, about 9 miles west of Paskenta. 792 Comment
  JEPS102792  Castilleja foliolosa Lowell Ahart 2001-6-8 8790 Tehama On the west side of road M2, about 9 miles west of Paskenta. 792 Comment
  SJSU5825  Castilleja lacera J. W. Tilden 1960-6-26 1476 Tehama Wilson L 1524 Comment
  JEPS108920  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
  SBBG4138  Ceanothus cordulatus H. and M. Dearing 1938-7-23 2110 Tehama Deer Crk Comment
  CAS-BOT-BC49332  Ceanothus cuneatus Ethel Wickes 1917-6-1 s.n. Tehama Red Bluff Comment
  HSC18267  Ceanothus cuneatus L. T. Gault 1964-3-28 44 Tehama Los Molinos, Tehama-Vina Rd. Comment
  CHSC79901  Ceanothus cuneatus var. cuneatus L. P. Janeway; B. Castro 2000-4-22 6681 Tehama High Cascade Range. Along Ponderosa Way at turn to South Antelope Campground; north side of South Fork Antelope Creek. 902 Comment
  RSA755231  Ceanothus cuneatus var. cuneatus Dylan O. Burge 2007-5-1 DOB 902 c Tehama At roadside 5.5 road miles W of Paskenta (measured from intersection of Toom's Camp Road and Round Valley Road) via Toom's Camp Road and Cr 122, 6.51 km 270 degrees true W of Paskenta 520 Comment
  RSA90831  Ceanothus integerrimus Milo S. Baker, H. K. Wagnon 1953-7-12 12816 Tehama Whitlock Camp. 1311 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
  UCD112179  Ceanothus lemmonii C. Macdonald; P. Powers, C. Raley, J. Spitler, D. Stamp 1980-5-3 88 Tehama One-half mile SSW of BM1797 on road 29N15. 609 Comment
  CHSC65829  Ceanothus prostratus Kristiaan G. Stuart 1995-4-15 11 Tehama Found .8 km from Deer Crk. bridge on Rd. 27N08 in state game refuge area. 1100 Comment
  UC1299589  Ceanothus prostratus Freed W. Hoffman 1950-7-6 3253 Tehama limestone area 1 mi ne White Rock Guard Station (extreme western Tehama County); ne of White Rock Guard Station 1524 Comment
  RSA21522  Ceanothus prostratus var. occidentalis Carl B. Wolf 1937-5-17 8708 Tehama Northern Sierra Nevada Foothills, Red Bluff - Susanville Road, 11 miles above Paynes Creek. 915 Comment
  CHSC102471  Centaurea melitensis L. P. Janeway 2009-6-21 9822 Tehama Cascade Range Foothills. Tehama Wildlife Area; top of ridge between Little Grapevine Creek and Antelope Creek (at mouth of Indian Creek); along East Grapevine Jeep trail 2.4 road km east of Ishi Road. 686 Comment
  CDA18847  Centaurea melitensis W. Ogden 1999-7-1 PDR 1140096 Tehama Roe Way in the vicinity of Cottonwood. 0 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
  SEINET8111605 Image available Centaurea solstitialis Julia Harencar, Gregory Reardon 2015-1 DIA 201506 Tehama Hillside to the West of parking lot at end of Green Valley Road. 209 Comment
  CDA38376  Centaurium tenuiflorum Dale Frank 1959-7-15 s.n. Tehama Five miles south of Red Bluff. 0 Comment
  UC1618411  Centromadia fitchii Barbara Ertter 1991-9-2 10801 Tehama 6.3 mi sw of Paskenta (on road over Mendocino Pass to Round Valley, 2.3 mi sw of Newville Road jct) Comment
  CAS-BOT-BC288504  Centromadia fitchii J. Major 1956-6-19 s.n. Tehama Ca 6 miles SW Red Bluff in Hog Wallow Comment
  UCD130184  Centromadia fitchii J. Major 1956-6-19 s.n. Tehama ca. 6 miles southwest of Red Bluff in Hog Wallow topography. Comment
  JEPS22655  Centunculus minimus Rimo Bacigalupi with Drs. Herbert and Lucille Mason 1958-4-22 6281 Tehama about 2 mi w Kirkwood (lower portions of plains, about 1/2 mi w of US Hwy 99, about 7 mi s of Corning); Kirkwood plains 73 Comment
  UCR106825  Cephalanthus occidentalis Daniel Sanchez-Mata 1977-9-17 s.n. Tehama Red Bluff. Jellys Ferry Road at Sacramento River 100 Comment
  CHSC66577  Cephalanthus occidentalis var. californicus Vernon H. Oswald; Lowell Ahart 1996-7-8 7690 Tehama Hog Lake Plateau. Cascade Range Foothills. BLM parcel along Hwy. 36 NE of Red Bluff . Near the mouth of the intermittent stream crossing the NE corner of the parcel. 158 Comment
  CHSC65724  Cerastium glomeratum Vernon H. Oswald; Lowell Ahart 1996-4-3 7300 Tehama Northwest side of Sacramento Valley. Thomes Creek Ecological Reserve. Throughout the reserve (collected on a gravelly flat between an old meander of the intermittent stream and its present course ca. 0.4 mi E of the dirt lane along the W side of the parcel). 103 Comment
  JEPS51343  Cerastium glomeratum Virginia Bailey 1938-4-16 Tehama 6 mi. w. Paskenta (on Paskenta-Covelo Rd.) 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
  RSA123215  Cercis occidentalis P. L. Johannsen 1936-8-26 993 Tehama 1.25 miles northeast of junction of Deer and Rattlesnake Creeks. 1067 Comment
  RSA712816  Cercis occidentalis L. Ahart 2006-5-5 12580 Tehama Along the Nomalaki Trail (Thomes Gorge Trail), about 1/2 mile northwest of Forest Road 23N69 (Mud Flat Road), about 7 miles (air) southwest of Paskenta. 561 Comment
  UCD22428  Cercocarpus betuloides var. betuloides Brian Vanden Heuvel 2003-4-9 189 Tehama Shasta National Forest. 5.6 miles east of Platina on CA 36, on south side of road. Comment
  HSC71857  Chaenactis douglasii var. douglasii Thomas W. Nelson, Jane P. Nelson 1980-6-22 5799 Tehama Along road to Wells Creek Campground, 1 mi. SE of Tedoc Gap 1311 Comment
  JEPS34140  Chaenactis glabriuscula var. glabriuscula W. L. Jepson 1899-4-25 Tehama Stivers Ranch; near Rosewood Comment
  CHSC45653  Chaenactis nevadensis Vernon Oswald 1986-7-24 2230 Tehama Lassen Volcanic National Park, Brokeoff Mountain Trail. 2682 Comment
  CHSC35078  Chamaesyce hooveri R. A. Schlising; J. Jokerst, J. Fuller 1981-10-1 4212 Tehama S part of county in Vina Plains, several miles E from Sacramento River. 60 Comment
  CHSC52642  Chamaesyce hooveri R. D. Stone 1986-7-19 765 Tehama Central Valley. TNC Vina Plains Preserve, S pasture about 0.7 miles NNE of Haille Road and 0.1 miles NW of barn. Western of three vernal pools. 65 Comment
  JEPS83938  Chamaesyce hooveri R. D. Stone 1986-7-24 789 Tehama 1.3 mi sse intersection of Hwy 99 and Rowles Rd (0.6 mi sw of Hwy 99); Vina Plains 60 Comment
  CHSC87941  Chamaesyce maculata Lowell Ahart 2004-6-28 11145 Tehama Gravel bar on the south side of Thomes Creek, about 1/4 mile east of Paskenta. 213 Comment
  JEPS96106  Chamaesyce maculata Vernon H. Oswald and Lowell Ahart 1996-6-3 7720 Tehama BLM parcel along Hwy 36 ne of Red Bluff (on the e side of Paynes Creek just upstream from Sacramento River, Cascade Range Foothills, Hog Lake Plateau); Hog Lake Plateau, Cascade Range Foothills, Paynes Creek 91 Comment
  CHSC66879  Chamaesyce nutans Vernon H. Oswald; Lowell Ahart 1996-9-4 8258 Tehama Cascade Range Foothills. Hog Lake Plateau. BLM parcel along Hwy. 36 NE of Red Bluff. Along Paynes Creek ca. 1 mi upstream from the old bridge site. 131 Comment
  CHSC84614  Chamaesyce nutans Lowell Ahart; John Dittes 2003-9-17 10578 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
  CDA4781  Chamaesyce nutans T. C. Fuller 1968-9-17 17617 Tehama At southeast part of hospital, St. Elizabeth Hospital, Red Bluff. 0 Comment
  UC762868  Chamaesyce ocellata R. F. Hoover 1938-6-10 3586 Tehama Coyote Creek bridges s Red Bluff Comment
  CDA13591  Chamaesyce ocellata subsp. ocellata G. F. Hrusa 1996-8-17 13516 Tehama Sacramento Valley; Blue Tent Creek, immediately downstream from Jelly's Ferry Rd. crossing, and adjacent to Interstate 5. Comment
  CHSC72406  Chamaesyce serpillifolia subsp. serpillifolia Vernon H. Oswald; Lowell Ahart 1998-10-27 9688 Tehama Nomalaki Trail west of Paskenta and north of Mud Flat Rd. at Dead Rabbit Lake. 542 Comment
  CHSC77334  Chamaesyce serpillifolia subsp. serpillifolia L. P. Janeway; B. Castro 1999-6-21 6475 Tehama Along South Fork Cottonwood Creek. 329 Comment
  CHSC61754  Cheilanthes gracillima Vernon Oswald; Lowell Ahart 1993-9-2 5918 Tehama Ridge running E from Mt. Linn, South Yolla Bolly Mtns., ca. 20 mi (air) NW of Paskenta. 2316 Comment
  CHSC95196  Cheilanthes gracillima R. D. Fischer 2004-5-30 833 Tehama Sierra Nevada range, off Hwy 32, between Butte Meadows turn-off and Potato Patch Campground. Follow County Road 27N08 west to one lane bridge over Deer Creek. The campground there has a trail heading west with the creek. Follow that trail approx. 2 miles. UTM: 10617775E, 4447032N. 879 Comment
  HSC74954  Cheilanthes gracillima J. P. Smith, Thomas W. Nelson 1979-6-24 10175 Tehama Shasta-Trinity National Forest, Wells Creek Camp 1311 Comment
  SEINET10867073  Cheilanthes gracillima Mary Susan Taylor 1979-4-22 Taylor 1977 Tehama T27N R3E sec 25. On bluffs overlooking Deer Creek, ca 2 mi SW (downstream) of Hwy 32, ca. 3 mi S of Potato Patch Campground; Yellow Pine Forest. 975 Comment
  CDA3052  Chenopodium ambrosioides var. suffruticosum L. Ahart, J. Dittes, J. Gannon, L. Martinez 2002-11-4 10005 Tehama Jewett Creek, east of Marguerite Road, about 1 1/4 mile (air) southeast of Corning. Comment
  CDA3043  Chenopodium botrys L. Ahart, J. Dittes 2003-9-17 10573 Tehama On the south side of Deer Creek, about 400 yards east of Highway 99, about 5 miles (air) southeast of Los Molinos. Comment
  JEPS104376  Chenopodium botrys Lowell Ahart 2003-9-17 10573 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
  JEPS122016  Chenopodium californicum Lowell Ahart 2014-5-8 19454 Tehama About 1/10 mile east of the restroom, about 50 yards north of the paved road past Berris Creek, east of Berris Creek, south of Black Butte Reservoir, about 12 miles (air) southwest of Corning. Comment
  UC2031490  Chimaphila menziesii Barbara Ertter with Brad Olson 1991-7-4 10251 Tehama Toomes Camp Rd. (Mendocino FR 23N01), 13.5 mi W of Paskenta, Mill Creek crossing 0.9 mi W of Elder Creek/Riley Ridge junction, ca 27 air miles W of Corning Comment
  CAS-BOT-BC184895  Chloris virgata T. C. Fuller 1963-8-26 11151 Tehama East side of Highway 99E to Chico at junction with road to Corning, 0.5 mile south of Vina. Comment
  CHSC27329  Chlorogalum angustifolium T. B. Devine 1976-5-22 396 Tehama Wurlitzer Ranch. 0.25 mi north of Pine Creek. 121 Comment
  CHSC66096  Chlorogalum angustifolium Vernon H. Oswald; Lowell Ahart 1996-5-27 7647 Tehama Thomes Creek Ecological Reserve. CDFG parcel on the S side of Gyle Rd. NW of Corning. 102 Comment
  JEPS109681  Chlorogalum angustifolium Dean W. Taylor 1990-4-24 10639 Tehama just north of Stony Creek north of Roger Road, under steel-tower high voltage transmission lines 106 Comment
  SEINET7096720  Chlorogalum angustifolium A. G. Vestal 1963-6-4 s.n. Tehama Ca. 2.6 miles west junction with Bowman Road on Route 36. NAD27, 40? deg. 16' 26ao, -122?_ 32' 25ao (converted to WGS84 decimal degrees) UTM Zone 10, 539079mE, mN.4458061mN. Comment
  CHSC108059  Chlorogalum pomeridianum B. Castro; L. P. Janeway 2000-6-11 1281 Tehama Inner North Coast Ranges. E-facing slope below Raglin Ridge Rd, above Pepperwood Spring; near the top of Raglin Ridge. 899 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
  CHSC84660  Chorizanthe membranacea Samantha Mackey Hillaire; Brian Elliott 2003-5-31 342 Tehama Lassen National Forest, Ishi Wilderness. Rancheria Creek Trail on a S-facing slope. Along the trail. 902 Comment
  CHSC102249  Chorizanthe polygonoides var. polygonoides L. P. Janeway; B. Castro 2009-4-25 9776 Tehama Cascade Range Foothills. Tehama Wildlife Area; top of the ridge between Little Antelope Creek and Mill Creek; southern end of Powerline Road at Rock Wall; 1.8 km east-northeast of Dewitt Peak. 640 Comment
  CHSC84680  Chorizanthe polygonoides var. polygonoides Samantha Mackey Hillaire; Brian Elliott 2003-5-31 328 Tehama Lassen National Forest, Ishi Wilderness. North side of Ishi Wilderness at the Rancheria Creek Trailhead. On the open 'parking lot' at the trailhead. 978 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
  UCD80659  Chorizanthe stellulata CNPS SN Foothill Team 2005-5-26 SNFN 0328 c Tehama BLM, Hog Lake/Paynes Creek, off Spring Road in the BLM's Battle Creek Recreation Area; plot is located north across the road from a target shooting area. 195 Comment
  UCD110131  Chrysolepis sempervirens John Thomas Howell 1960-8-19 36143 Tehama Brokeoff Mountain Trail. 2590 Comment
  CAS-BOT-BC100784  Chrysothamnus viscidiflorus subsp. viscidiflorus Alice Eastwood 1912-8-22 1886 Tehama [Morgans] Morgan Springs, Lassen Butte Region Comment
  JEPS22644  Cicendia quadrangularis Rimo Bacigalupi with Drs. Herbert and Lucille Mason Apr 22 1958-Apr 23 1958 6292 Tehama about 2 mi w of Kirkwood (and about 1/2 mi w of U.S. Hwy 99, about 7 mi s of Corning, lower portions of Kirkwood Plains); Kirkwood Plains 73 Comment
  UCD130517  Cirsium andersonii John Thomas Howell 1960-8-20 36271 Tehama between Morgan and Childs Meadows. 1524 Comment
  CHSC80591  Cirsium cymosum Vernon H. Oswald; Lowell Ahart 2001-6-5 10044 Tehama Raglin Ridge Rd 2.4 mi southwest of the low water crossing of the North Fork of Elder Creek, ca. 0.3 mi east of Pepperwood Spring. 426 Comment
  SDSU3793  Cirsium occidentale var. candidissimum R. M. Beauchamp 1965-7-17 Tehama 2 miles east of Windy Cut Look-Out Station on State Hwy #32. Comment
  CHSC105933  Cirsium occidentale var. venustum Lowell Ahart; John Dittes 2010-7-17 16876 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
  CAS-BOT-BC286477  Cirsium scariosum John Thomas Howell 1960-8-18 36087 Tehama Lassen Volcanic National Park. Sulphur Works Checking Station 2011 Comment
  SEINET2049730 Image available Cirsium vulgare Marc Mittleman 1980-8-1 Tehama Along Deer Creek, 3.9 mi SW of Juntion of Rts 32 and 36 Comment
  UC1002645  Clarkia affinis Milo S. Baker and H. K. Wagnon 1953-5-31 12699 Tehama a mile or so e Paskenta Comment
  CHSC23388  Clarkia arcuata B. Garamendi 1974-5-11 44 Tehama Mill/Deer Creek Study Area. 1 1/2 mi SW of Peligreen Place on Peligreen Jeep Trail. 914 Comment
  CHSC79777  Clarkia arcuata L. P. Janeway; B. Castro 2000-4-22 6676 Tehama High Cascade Range. Along Ponderosa Way 0.8 km northwest of Black Rock. 264 Comment
  CHSC80555  Clarkia arcuata Vernon H. Oswald; Lowell Ahart 2001-5-7 10023 Tehama Forest Road 26N15 5.2 mi west of Hwy 32, between Soda Springs and Cohasset Ridge. 1079 Comment
  UCD104436  Clarkia concinna Thomas W. Nelson; Jane P. Nelson 1980-6-22 5845 Tehama Along forest service road 45, 2.3 miles N of Tedoc Gap, W side of Mount Tedoc. 1371 Comment
  UC1010385  Clarkia concinna subsp. concinna Milo S. Baker and H. K. Wagnon 1953-5-31 12706 Tehama logging road w Paskenta (above 6 mi post) Comment
  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
  JEPS101746  Clarkia gracilis subsp. albicaulis Dean W. Taylor 1997-6-6 16023 Tehama ridge dividing Rock Creek from Deer Creek; 3 air miles N of Cohasset; on north-side of ridge in Sulphur Creek drainage, about 150 ft below rim 975 Comment
  CHSC31350  Clarkia gracilis subsp. gracilis Thomas Chastain 1980-4-19 20 Tehama Ca. 6 m s of Garland Road and 4.5 km nw of Newville, 8.2 km sw of Paskenta. 219 Comment
  JEPS94574  Clarkia gracilis subsp. gracilis Vernon Oswald and Lowell Ahart 1997-7-7 8682 Tehama Lookout Tomhead Mtn. (near ne corner of Yolla Bolly-Middle Eel Wilderness, along road near lookout) 2057 Comment
  RSA90473  Clarkia gracilis subsp. gracilis Milo S. Baker, H. K. Wagnon 1953-4-26 12552 Tehama 5 miles W of Paskenta 305 Comment
  JEPS1958 Image available Clarkia gracilis subsp. tracyi W. L. Jepson 1932-5-9 16324 Tehama hills n Paskenta; ; Paskenta, Tehama Co. Comment
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Jul 1 2009
  HSC49714  Clarkia purpurea J. O. Sawyer, R. J. Cole 1979-5-13 3359 Tehama Lenninger Rd., 1 mi. N of SR 99 and Lassen Rd. jct. Comment
  CHSC107226  Clarkia purpurea subsp. quadrivulnera Lowell Ahart; John Dittes 2011-6-9 17440 Tehama Rio De Los Molinos Land Grant. About 60 yards east of a large vernal pool, sand dune area, about 30 yards south of the fence, 1.6 miles (air) east of Highway 99, 2.4 miles (air) north of Vina. 80 Comment
  CHSC117151  Clarkia rhomboidea Lowell Ahart; John Dittes 2016-6-22 21042 Tehama On the north side of the trail, about 300 yards southwest of the fish ladder on Deer Creek, about 0.8 mile (air) northeast of USFS Road 27N08 Bridge over Deer Creek, about 2 miles by trail to Highway 32. 935 Comment
  JEPS126586  Clarkia rhomboidea Lowell Ahart, John Dittes 2016-6-22 21042 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
  JEPS94337  Clarkia rhomboidea Vernon H. Oswald and Lowell Ahart 1997-5-14 8447 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
  JEPS43316  Claytonia exigua subsp. exigua W. L. Jepson 1899-4-25 Tehama Stiver's Ranch Comment
  HSC1831  Claytonia exigua subsp. exigua Larry Berti 1969-3-15 17 Tehama N face of Antelope Creek Canyon, 12 mi. E of Red Bluff, 3 mi. upstream from dam 213 Comment
  HSC95329  Claytonia exigua subsp. exigua L. Snyder, B. Redfern, A. de Knijf 1999-4-17 42 Tehama Hwy. 36 by Beegum Gorge 430 Comment
  CHSC115583  Claytonia palustris Lowell Ahart; John Dittes 2015-8-6 20500 Tehama In shallow stream water, 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
  CHSC43720  Claytonia palustris Vernon Oswald 1984-6-19 1300 Tehama Hwy 32, 1.8 mi s-w of Hwy 36. 1414 Comment
  JEPS97219  Claytonia parviflora subsp. parviflora Vernon H. Oswald and L. Ahart 1995-4-3 6602 Tehama T29N R2W NE1/4 NE1/4 Sec. 26, 740 ft, Cascade Range Foothills, Blue Oak Woodland, basalt substrate. Dales Lake Reserve on the W side of Manton Rd. (A6) ca. 2 mi n of Dales Station on Hwy. 36, ca. 14 mi ne of Red Bluff 225 Comment
  UC726584  Claytonia parviflora subsp. parviflora A. A. Heller 1918-4-28 13005 Tehama Bennett Spring Comment
  HSC49050  Claytonia parviflora subsp. parviflora Patricia Shesgreen 1978-5-13 91 Tehama Beegum Gorge, FS Rd. 1S02, 2.7 mi. off Hwy. 36 and A16 976 Comment
  HSC99245  Claytonia parviflora subsp. parviflora Steven Lagos 1974-5-5 64 Tehama Hwy. 36, 21 mi. E of Trinity Co. line Comment
  SEINET11935021  Claytonia perfoliata Unknown 1983-1 881 Tehama The Nature Conservancy Vina Plains Preserve, at Lassen Rd 63 Comment
  CHSC27833  Claytonia perfoliata subsp. perfoliata Eric J. Miller 1978-4-24 14 Tehama 1 km w of Sacramento River at Woodson Bridge. 28 Comment
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Jul 22 2009
  CHSC64361  Claytonia perfoliata subsp. perfoliata Vernon H. Oswald; Lowell Ahart 1995-3-6 6502 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. 225 Comment
  JEPS102312  Claytonia rubra subsp. rubra Vernon H. Oswald and Lowell Ahart 2001-5-7 10001 Tehama Forest Road 26N15 1.8 mi W of Hwy 32, betw. Soda Springs and Cohasset Ridge 1325 Comment
  UC2031395  Claytonia rubra subsp. rubra Barbara Ertter with Brad Olson 1991-7-4 10233 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
  HSC23465  Claytonia rubra subsp. rubra C. A. Stafford 1970-4-12 11 Tehama 25 yds. off NW side of Cohassed Hwy., 100 yds. from jct. of Ponderosa Way and Cohasset Hwy., 4.5 mi. N of Butte Co. line Comment
  JEPS128422  Claytonia saxosa Julie Kierstead Nelson with Brad Rust 2015-3-27 2015 -004 Tehama East slope of Tedoc Mountain, SE Klamath Range, east of Forest Service Road 28N05. Comment
  HSC90326  Collinsia grandiflora C. Wilson, P. Kittleson, M. Hardig 1992-3-28 22 Tehama Hwy. 36, 4.7 mi. E of junction with Tedoc Gap Rd. 610 Comment
  CHSC101377  Collinsia greenei David Isle 1990-5-2 1540 Tehama Mendocino National Forest; Thomes Creek Watershed; Pollard Superior Tree Progeny Site, N of 24N01.2. 1280 Comment
  UC1019556  Collinsia parviflora Louise Kellogg 1952-7-18 86 Tehama near Squaw Camp and Pole Corral on Boswell Ridge directly s of South Yolla Bolly Mountain (North Coast Ranges, Mendocino National Forest); North Coast Ranges, Mendocino National Forest 2133 Comment
  CHSC44238  Collinsia rattanii Vernon Oswald 1988-6-27 3520 Tehama Trail between Ides Coave Trailhead and 25N16 along the e side of the Yolla Bolly-Middle Eel Wilderness w of Paskenta. 2133 Comment
  UC2031440  Collinsia sparsiflora var. collina Barbara Ertter 1991-5-18 9849 Tehama Rosewood Ranch on Salt Creek ca. 17 air miles WNW of Red Bluff, ca. 1/2 mi S of Highway 36 Comment
  UC1025110  Collinsia torreyi var. latifolia Douglas Barbe 1955-7-16 179 Tehama on the east ridge leading to South Yolla Bolly (Mount Linn), West Tehama County South Yolla Bolly 2286 Comment
  RSA123775  Collinsia torreyi var. latifolia G. D. Barbe 1955-7-16 179 Tehama On the east ridge leading to So. Yolla Bolly (Mt. Linn). 2287 Comment
  RSA123578  Collinsia torreyi var. wrightii G. D. Barbe 1955-7-22 239 Tehama About 0.5 mile from Jeep road, west of Oven Lid, on the trail to Square Lk. 2073 Comment
  UC1025116  Collinsia torreyi var. wrightii Douglas Barbe 1955-7-22 239 Tehama about 1/2 mi from jeep road, w of Oven Lid, on the trail to Square Lake Square Lake 2072 Comment
  UC1010403  Collomia diversifolia Milo S. Baker and H. K. Wagnon 1953-5-31 12708 Tehama logging road w Paskenta (near 10 mi post, w Tehama Co.) Comment
  CHSC80673  Collomia grandiflora Lowell Ahart 2001-6-16 8873 Tehama On west side of the dirt road, near Ike Dye Hill, about 2 miles west of Highway 32, west of Soda Springs Campground, about 3 miles (air) west of Butte Meadows. 1341 Comment
  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
  JEPS102777  Collomia grandiflora Lowell Ahart 2001-6-16 8873 Tehama On west side of the dirt road, near Ike Dye Hill, about 2 miles west of Highway 32, west of Soda Springs Campground, about 3 miles (air) west of Butte Meadows. 1341 Comment
  RSA304660  Collomia larsenii D. H. Wilken, C. Donahue 1976-7-14 12701 Tehama South face of Mount Lassen 2896 Comment
  JEPS76635  Collomia tinctoria L. R. Heckard 1972-6-18 2993 Tehama ne side Tedoc Mt. (near road) 1341 Comment
  HSC16940  Collomia tinctoria Larry Berti 1968-7-20 Tehama 5 mi. N of Dales Station Comment
  HSC74972  Collomia tracyi J. P. Smith, Thomas W. Nelson 1979-6-25 10197 Tehama Shasta-Trinity National Forest, 1 mi. from Tedoc Gap on the road to Hwy. 36 1402 Comment
  UC1001339  Collomia tracyi Louise Kellogg 1952-7-18 86 a Tehama on Boswell Ridge near Squaw Camp and Pole Corral (directly s of South Yolla Bolly Mountain); North Coast Ranges, Mendocino National Forest 2133 Comment
  CHSC55588  Comandra umbellata subsp. californica Steven Triano 1988-4-17 56 Tehama Ca 20 ft e of Hwy. 32 and 14.7 mi n of Forest Ranch. 1075 Comment
  CHSC68599  Comandra umbellata subsp. californica Vernon H. Oswald; Lowell Ahart 1997-5-14 8433 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
  JEPS88332  Conium maculatum Vernon H. Oswald and Lowell Ahart 1996-6-3 7710 Tehama ne of Red Bluff (BLM parcel along Hwy 36, Cascade Range Foothills, along Paynes Creek 0.5 mi downstream from the old bridge site); Hog Lake Plateau, Cascade Range Foothills, Paynes Creek 100 Comment
  JEPS117386  Conyza canadensis Lowell Ahart, John Dittes 2010-10-4 17294 Tehama Along Toomes Creek, Toomes Creek at Tehama-Vina Road crossing, 1.2 miles (air) east of the Sacramento River, 3.4 miles (air) southeast of Los Molinos (High School), 3.0 miles (air) northwest of Vina 57 Comment
  JEPS64331  Corallorhiza maculata W. L. Jepson 1927-6-24 12329 Tehama Mineral 1524 Comment
  UCSB13081  Corallorhiza striata Dearing, Hugh; Dearing, Margaret 1938-6-25 Tehama Open Pine Woods E. of Mineral Comment
  JEPS66513  Cordylanthus pilosus subsp. hansenii L. R. Heckard and T. I. Chuang 1971-8-15 2770 Tehama about 0.9 mi n junction with route 36 (near Paynes Creek) (along Lanes Valley rd from Paynes Creek) 609 Comment
  JEPS68352  Cordylanthus pilosus subsp. hansenii L. R. Heckard with R. Bacigalupi and B. Doren 1971-9-9 2793 Tehama along Reeds Creek Rd 3.7 mi e junction with Pettyjohn road (ca 12 air mi w of Red Bluff) 274 Comment
  RSA666359  Cornus nuttallii Barbara Ertter 1991-9-2 10784 Tehama Round Valley - Paskenta road (RtM4) 7.8 mi E of Log spring Creek, ca 10 airmiles. WSW of Paskenta. 1372 Comment
  UCD117172  Cornus nuttallii John Thomas Howell 1960-8-21 36294 Tehama Between Morgan and Morgan Summit. 1676 Comment
  CHSC117382  Cornus nuttallii Barbara Ertter 1990-5-13 8956 Tehama 3.5 mi. from Mineral on Hwy 172 to Mill Creek, 1584 Comment
  HSC74824  Cornus sericea subsp. occidentalis J. P. Smith, Thomas W. Nelson 1978-7-22 10012 Tehama Shasta-Trinity National Forest, Wells Creek Camp. 1372 Comment
  UCD117105  Cornus sericea subsp. occidentalis J. M. Tucker; L. K. Mann 1962-7-29 3638 Tehama 3/4 mile north of Ovenlid, South Yolla Bolly Mountain, ca. 3 miles east of the summit. 1981 Comment
  CAS-BOT-BC210560  Cornus sessilis Roxana S. Ferris 1952-5-17 12486 Tehama Along Deer Creek (State Highway 32), Potato Patch Camp Ground, Lassen National Forest Comment
  CHSC7188  Cornus sessilis Lynn R. Thomas 1969-4-18 107 Tehama N side Deer Creek, s edge of Calif. 32, 8 mi w of junct with Calif. 36. 1219 Comment
  POM118226  Cornus sessilis Edward Hyatt, Marguerite Hyatt 1914-7-30 319 Tehama Deer Creek. 305 Comment
  UC176017  Cornus sessilis Edward and Marguerite Hyatt Jul 30 1914-Aug 20 1914 319 Tehama Deer Creek Comment
  CHSC65057  Corydalis caseana subsp. caseana Vernon H. Oswald; Lowell Ahart 1995-7-17 7090 Tehama High Cascade Range. Forest Road 30N16 1.9 mi N of Hwy. 36, 3 mi S of the SW corner of Lassen Volcanic National Park. 1706 Comment
  JEPS103600  Corydalis caseana subsp. caseana Lowell Ahart 2002-6-29 9797 Tehama In the N part of a meadow, on the E side of Willow Creek, ca 1/8 mile S of Colby Mountain Lookout Road where it crosses Willow Creek, ca 5 miles (air) NE of Butte Meadows. 1574 Comment
  CAS-BOT-BC401886  Corydalis caseana subsp. caseana John Thomas Howell 1960-8-18 36065 Tehama Near Lassen Volcanic National Park. Bluff Falls 1981 Comment
  UCD95114  Corydalis caseana subsp. caseana John Thomas Howell 1960-8-18 36065 Tehama Lassen Volcanic National Park. Bluff Falls. 1981 Comment
  CHSC40725  Crassula connata Pauleen Broyles 1982-3-18 325 Tehama The Nature Conservancy Vina Plains Preserve. 62 Comment
  CHSC55212  Crassula connata L. P. Janeway 1991-4-11 3887 Tehama Tablelands on south side of Battle Creek, ca 1 1/2 mi east of the Sacramento River. Battle Creek Wildlife Area. 167 Comment
  CHSC55088  Crassula saginoides L. P. Janeway 1991-5-11 3954 A Tehama About 1/4 mi south of Battle Creek; ca 1 1/2 mi east of the Sacramento River. Battle Creek Wildlife Refuge. 169 Comment
  UC1001335  Crepis acuminata Louise Kellogg 1952-7-17 78 Tehama South Yolla Bolly Mountain North Coast Ranges, Mendocino Nat'l. For., Middle Eel-Yolla 2438 Comment
  UCD130936  Crepis modocensis subsp. subacaulis Dean W. Taylor 1976-7-9 6057 Tehama At headwaters of Cub Creek. 1859 Comment
  CHSC44187  Crepis monticola Vernon Oswald 1988-6-27 3536 Tehama Trail between Ides Cove Trailhead and 25N16 along the e side of the Yolla Bolly-Middle Eel Wilderness w of Paskenta. 2133 Comment
  UC1001323  Crepis monticola Louise Kellogg 1952-7-16 60 Tehama on ridge near Squaw Camp and Pole Corral (directly s of Yolla Bolly Mountain); Northern Coast Ranges, Mendocino National Forest, Boswell Ri 2133 Comment
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Jun 21 2009
  HSC86850  Crocidium multicaule J. D. Jokerst, H. Wurlitzer 1984-3-18 1941 Tehama Ridge S of Pine Creek N of Pine Creek Trail, 50 m N of the benchmark Pine/1555 ft. Comment
  CHSC66302  Croton setiger Vernon H. Oswald 1996-6-27 7894 Tehama Northwest side of Sacramento Valley. Thomes Creek Ecological Reserve. CDFG parcel on the S side of Gyle Rd. NW of Corning. Throughout the reserve (collected near the W boundary). 105 Comment
  JEPS94335  Crucianella angustifolia Vernon H. Oswald and Lowell Ahart 1997-5-14 8450 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
  RSA692210  Crucianella angustifolia L. Ahart, J. Dittes 2003-6-11 10257 Tehama On the W side of Battle Creek. About 1 mile N of Manton Rd. About 1.5 miles (air) NE of the Colman Power House. About 5 miles (air) WSW of Darah Springs State Fish Hatchery. About 10 miles (air) ENE of Cottonwood. 153 Comment
  SBBG122980  Crucianella angustifolia B. Ertter 1991-5-19 9868 Tehama Vassar Rd jct on Hwy 36 16.5 mi W of Red Bluff 243 Comment
  UC1949138  Crucianella angustifolia Barbara Ertter 1991-5-19 9868 Tehama Vassar Road junction on Hwy 36 16.5 mi W of Red Bluff Comment
  SBBG122793  Crypsis alopecuroides B. Ertter et al. 1989-10-21 8891 Tehama S side of NW arm of Black Butte Lake, W of Orland 152 Comment
  SEINET4343821 Image available Crypsis alopecuroides Barbara Ertter, Elizabeth Neese, Laura Fujii, Dawn Espindola 1989-10-21 8891 Tehama S side of NW arm of Black Butte Lake W of Orland; large mudflat dominated by Xanthium, bordered by dense band of diverse annuals 152 Comment
  CHSC112586  Crypsis schoenoides Lowell Ahart 2013-9-17 19041 Tehama On the bottom of Burris Creek, strand of Black Butte Reservoir, about 1 1/2 miles southwest of the Dam, about 12 miles (air) northwest of Orland. 135 Comment
  CHSC116166  Crypsis schoenoides Lowell Ahart 2015-6-22 20261 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
  CHSC66843  Crypsis schoenoides Vernon H. Oswald 1996-8-22 8244 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 farm pond on the south boundary of the parcel. 105 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
  CHSC86021  Crypsis schoenoides Jenny Marr; Caroline Warren 1998-4-15 Tehama Vicinity of upper Salt Creek. 182 Comment
  JEPS103344  Crypsis schoenoides Lowell Ahart 2002-11-5 10020 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
  RSA757302  Crypsis schoenoides Barbara Ertter, Elizabeth Neese, Laura Fujii, Dawn Espindola 1989-10-21 8893 Tehama South side of northwest arm of Black Butte Lake west of Orland. 152 Comment
  CHSC81643  Crypsis vaginiflora Vernon H. Oswald 2001-10-18 10063 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
  CHSC33157  Cryptantha crinita L. Ahart 1979-4-25 1843 Tehama Flood plain of McCoy Creek, at the intersection of McCoy Rd and Matlock LP, ca.3 mi n of Red Bluff. 110 Comment
  CHSC84666  Cryptantha crinita Brian Elliott; Samantha Mackey Hillaire 2003-5-31 11631 Tehama Lassen National Forest, Ishi Wilderness. Rancheria Creek Trail, starting at 0.42 miles at a heading of 190 deg. from Rancheria Creek Trailhead. 902 Comment
  JEPS105600  Cryptantha crinita Brian Elliott with Samantha Mackey Hillaire 2003-5-31 11633 Tehama about 2 mi N of Mill Creek, about 0.05 mi N of Rancheria Creek Trailhead; Lassen National Forest, Ishi Wilderness 987 Comment
  UC1042338  Cryptantha crinita Lewis S. Rose 1954-4-26 54034 Tehama 1.5 mi n Red Bluff (flood bed of Dibble Creek); Dibble Creek 94 Comment
  CHSC113925  Cryptantha flaccida Lowell Ahart 2014-5-8 19439 Tehama On the south side of the paved road to Berris Creek, about 0.4 miles east of the intersection with Black Butte Road, about 12 1/2 miles (air) southwest of Corning. 150 Comment
  CHSC54094  Cryptantha flaccida Vernon H. Oswald; Anne-Lise Feenstra 1991-5-22 4605 Tehama Lowrey Rd 0.2 mi southeast of the North Fork of Elder Creek, north of Paskenta. 283 Comment
  CHSC78819  Cryptantha flaccida Julie Cunningham; Heidi West, Natalie Wight 1998-6-25 Tehama Vicinity of South Fork Cottonwood Creek, Dippingvat Flat, and Cooks Flat. 335 Comment
  CHSC87220  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
  JEPS103576  Cryptantha microstachys Lowell Ahart 2002-4-27 9548 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
  JEPS112685  Cryptantha milobakeri Dean W. Taylor 1997-5-30 16010 Tehama Ponderosa Way in canyon South Fork Battle Creek; on S-facing slopes along road 899 Comment
  JEPS18340  Cryptantha milobakeri Milo S. Baker and H. K. Wagnon 1953-5-31 12714 Tehama w of Paskenta (near 5 mi post, w Tehama County) Comment
  CHSC90909  Cryptantha simulans Niall F. McCarten; Roxanne L. Bittman 1986-6-15 5469 Tehama Mendocino National Forest; North Coast Ranges; Thomes Creek Watershed. 'Ovenlid.' South side Forest Road 25N29. 2011 Comment
  UC703113  Cryptantha torreyana Alice Eastwood and John Thomas Howell 1941-7-9 9771 Tehama between Log Spring and Government Flat; Log Spring Ridge Comment
  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
  CHSC102812  Cuscuta californica var. californica Lowell Ahart; John Dittes, Josephine Guardino 2009-8-27 16312 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
  RSA794991  Cuscuta californica var. californica L. Ahart, Josephine Guardino 2009-9-6 16370 Tehama East of the enclosure, on the east side of Gurnsey Creek, meadow about 0.75 miles southwest of the intersection of Highway 36 and Paynes Creek Road, about 6.5 air miles southeast of Mineral. 1479 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
  JEPS100395  Cuscuta howelliana Dean W. Taylor 1995-5-9 14897 Tehama ca. 10 miles SE of Corning, South Fork Hall Creek 140 Comment
  SEINET12332658  Cuscuta howelliana Unknown 1982-1 728 Tehama 61 Comment
  RSA122036  Cycladenia humilis P. L. Johannsen 1936-8-20 992 Tehama 1/2 mi. NW of Colby Mtn. Comment
  CHSC41043  Cynodon dactylon Pauleen Broyles 1982-6-4 697 Tehama The Nature Conservancy Vina Plains Preserve. Ca 1 km s of Lassen Road near an irrigation ditch. 66 Comment
  CHSC65284  Cynodon dactylon Vernon H. Oswald; Lowell Ahart 1995-6-13 6849 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. At the s end of the borrow pit. 219 Comment
  CHSC88846  Cynoglossum grande Pat Sater 2001-4-8 Tehama Tehama Wildlife Area. 200 yds south of rock wall on Powerline Road, on hillside. UTM: 10 0591836 E, 4446539 N. 587 Comment
  JEPS75773  Cynoglossum occidentale Todd and Virginia Keeler-Wolf 1971-6-12 8 Tehama ca. 1/8 mi. n. Harding Spring; Yolla Bolly Mts. 1706 Comment
  POM369286  Cynoglossum occidentale B. C. Templeton 1960-6-14 8496 Tehama Mineral, near Mt. Lassen National Park. Comment
  UC1010372  Cynoglossum occidentale Milo S. Baker and H. K. Wagnon 1953-7-11 12842 Tehama on County Rd. 3 mi. beyond Whitlock Camp; W. Tehama Co. 1524 Comment
  CHSC96526  Cynosurus echinatus Lowell Ahart 2007-5-8 13722 Tehama In the road gutter on the west side of Vestal Road, about 50 yards southeast of a small stream, about 5.3 miles west of the intersection of Cannon Road and Reeds Creek Road, about 21 miles (air) west of Red Bluff. 304 Comment
  CHSC96662  Cynosurus echinatus Lowell Ahart 2007-5-8 13750 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
  SEINET13710859  Cyperus bipartitus Lowell William Ahart, Lowell William Ahart 2003-1 10594 Tehama Near Hwy 99 5 Mi. SE of Los Molinos (39 Deg 57'14.5"N, 122 Deg 02'52.4"W) 200 Ft. 61 Comment
  CHSC40798  Cyperus difformis Pauleen Broyles 1982-8-5 825 Tehama The Nature Conservancy Vina Plains Preserve. Irrigation ditch. Just s of Lassen Road. 60 Comment
  JEPS105062  Cyperus difformis Dean W. Taylor 1992-10-8 13262 Tehama Coyote Creek; ca. 5 miles S of Red Bluff, at crossing of Rawson Road 97 Comment
  CDA34747  Cyperus eragrostis L. Ahart, John Dittes 2010-10-4 17287 Tehama Along Toomes Creek, Toomes Creek at Tehama-Vina Road crossing, 1.2 miles (air) east of the Sacramento River, 3.4 miles (air) southeast of Los Molinos (High School), 3 miles (air) northwest of Vina. Comment
  CHSC77623  Cyperus eragrostis Heidi West; Natalie Wight 1998-8-21 Tehama Vicinity of Red Bank Creek, Sunflower Gulch, and Dry Creek. 268 Comment
  CHSC66214  Cyperus esculentus Vernon H. Oswald; Lowell Ahart 1996-6-3 7725 Tehama Hog Lake Plateau. Cascade Range Foothills. BLM parcel along Hwy. 36 NE of Red Bluff. Growing on a gravel bar on the E side of Paynes Creek just upstream from the Sacramento River. 91 Comment
  JEPS95742  Cyperus esculentus Vernon H. Oswald and L. Ahart 1995-7-31 7158 Tehama T29N R1W SE1/4 SW1/4 Sec. 7, 1080 ft, Cascade Range Foothills, Blue Oak Woodland, basalt substrate. Manton Rd. (A6) 5.8 mi NE of Dales (on Hwy. 36), 2.5 mi SW of its jct. with Lane Valley Rd 329 Comment
  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
  CHSC64926  Cyperus squarrosus Vernon H. Oswald 1995-5-28 6787 Tehama Dales Lake Ecological Reserve. Cascade Range Foothills. W side of Manton Rd. (A6) ca. 1.5 mi n of Hwy. 36 at Dales Station, ca. 14 mi ne of Red Bluff. At the sw corner of the borrow pit. 219 Comment
  SEINET13710705  Cyperus strigosus Lowell William Ahart, Lowell William Ahart 2003-1 10598 Tehama 5 Mi. SE of Los Molinos, E of Hwy 99 (39 Deg 57'14.5"N, 122 Deg 02'52.4"W) 200 Ft. 61 Comment
  RSA755500  Cystopteris fragilis Barbara Ertter, Brad Olson 1991-7-6 10433 Tehama Cold Spring Creek ca. 1/2 mile southeast of Cold Spring Forest Station, ca. 30 air miles west of Corning, 0.4 miles from Ball Rock Road on road to Rocky Cabin 1829 Comment
  CAS-BOT-BC189843  Dactylis glomerata John Thomas Howell 1960-8-20 36249 Tehama Near Lassen Volcanic National Park. Morgan. 1463 Comment
  RSA66354  Dactylis glomerata P. A. Munz 1951-7-27 16966 Tehama south base of South Yolla Bolly Mts. 2134 Comment
  CAS-BOT-BC445496  Damasonium californicum John R. Reeder; Charlotte G. Reeder 1975-6-4 6669 Tehama Ca. 4 miles SW of Dales--ca. 11 miles NE of Red Bluffs. 274 Comment
  UCD138007  Damasonium californicum Robert E. Preston 1997-5-29 1032 Tehama around 5 miles northeast of Red Bluff at Hog Lake. 263 Comment
  CHSC56997  Darmera peltata Steven Triano 1988-4-17 79 Tehama Along the bank of Big Chico Creek e of Hwy. 32 ca 15.6 mi n of Forest Ranch. 1048 Comment
  UCSB11516  Darmera peltata Dearing, Hugh; Dearing, Margaret 1938-6-21 Tehama Chico Creek 6.6 miles north of Loma Comment
  CHSC89892  Datisca glomerata B. Castro; Shirley Innecken 2001-6-11 1266 A Tehama Vicinity of Thomes Creek and Bennett Creek. In bottom of canyon. 301 Comment
  JEPS43415  Delphinium depauperatum Jos. Grinnell Tehama Mineral 1463 Comment
  CHSC102466  Delphinium nudicaule L. P. Janeway; B. Castro 2009-4-25 9738 Tehama Cascade Range Foothills. Tehama Wildlife Area; along the Powerline Road near the Shaw Creek Bridge over an un-named northeastern fork of Shaw Creek. 518 Comment
  CHSC92750  Delphinium nuttallianum L. P. Janeway 2005-6-12 8421 Tehama High Cascade Range. 0.5 km north of Wilson Lake 1628 Comment
  UC1002624  Delphinium patens subsp. patens Keith Wagnon 1953-5-10 12630 Tehama logging rd sw Paskenta (near 10 mi post) Comment
  CHSC52944  Delphinium variegatum J. D. Jokerst; Howard Wurlitzer 1981-4-5 1303 Tehama South of and adjacent to Lassen Road, 1/4 mi east of Hwy 99. Comment
  UCD96666  Delphinium variegatum A. A. Heller 1916-4-20 12329 Tehama 3 miles N of Red Bluff. Comment
  SEINET12089323  Delphinium variegatum A. K. Bos 1978-1 14 Tehama ca 10 mi NE of Red Bluff, SW1/4 sec. 14, T28N, R3W MDM 140 Comment
  CHSC86047  Delphinium variegatum subsp. variegatum Jenny Marr; Caroline Warren 1998-4-28 Tehama Vicinity of upper North Fork Stony Creek, Newville Road, and Round Valley Road. 213 Comment
  CAS-BOT-BC192645  Deschampsia danthonioides L. P. Janeway 1991-5-11 3955 Tehama Battle Creek Wildlife Area. About 1/4 mi south of Battle Creek; ca 1 1/2 mi east of the Sacramento River 169 Comment
  CHSC13869  Deschampsia danthonioides Tim Manolis 1974-3-31 43 Tehama 16 mi. N of Chico and 1 mi. E of Hwy 99 on Kiefer Rd. Comment
  CHSC27770  Deschampsia danthonioides K. Bridwell 1978-4-14 69 Tehama Ca. 10 mi ne of Red Bluff. 140 Comment
  CHSC66124  Deschampsia danthonioides Vernon H. Oswald; Lowell Ahart 1996-4-29 7469 Tehama Northwest side of Sacramento Valley. Thomes Creek Ecological Reserve. CDFG parcel on the S side of Gyle Rd. NW of Corning. Along the edge of the intermittent stream near the W boundary. 103 Comment
  HSC1658  Deschampsia danthonioides Larry Berti 1969-5-9 74 Tehama Antelope Creek Canyon, N face, 12 mi. E of Red Bluff, 3 mi. upstream from dam. 213 Comment
  HSC48808  Deschampsia danthonioides J. P. Smith 1979-4-28 10072 Tehama Leininger Rd., E of Vina 73 Comment
  JEPS105848  Deschampsia danthonioides Lowell Ahart 2004-4-29 10796 Tehama On the northeast side of Dead Rabbit Lake, east of the Nomalaki Trail, about 3/4 mile northwest of Bowers Creek, about 1 1/2 miles northwest of Forest Road 23N69 (Mud Flat Road), about 7 miles (air) southwest of Paskenta 571 Comment
  CAS-BOT-BC201730  Deschampsia elongata Alice Eastwood; John Thomas Howell 1941-7-9 9776 Tehama Log Spring Ridge between Log Spring and Government Flat Comment
  CHSC65357  Deschampsia elongata Lowell Ahart 1995-10-3 7651 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
  CHSC90893  Deschampsia elongata Niall McCarten; Roxanne Bittman 1986-6-14 5321 Tehama Mendocino National Forest; North Coast Ranges; Thomes Creek Watershed. 0.25 mi. W of jct. Rd. 25N41 and Rd. 25N32. 1828 Comment
  HSC74962  Deschampsia elongata J. P. Smith, Thomas W. Nelson 1979-6-24 10187 Tehama Rd. to Stuart Gap, 0.8 mi. from Tedoc Gap. 1372 Comment
  CHSC68942  Descurainia incana Vernon Oswald; Lowell Ahart 1997-7-7 8679 Tehama Lookout on Tomhead Mtn. near the northeast corner of the Yolla Bolly-Middle Eel Wilderness. Near the lookout. 2057 Comment
  UC1949070  Descurainia incisa subsp. incisa Barbara Ertter with Brad Olson 1991-7-6 10426 Tehama Rocky Cabin meadow ca 1 mi S of Ball Rock, 1 mi SE of Cold Spring Forest Station, ca 30 airmiles W of Corning Comment
  CHSC55510  Dicentra formosa L. P. Janeway 1991-4-18 3911 Tehama On bank of slough on south side of Battle Creek ca 1 1/2 mi east of the Sacramento River. 121 Comment
  CHSC7027  Dicentra formosa K. R. Stern 1964-6-24 2121 Tehama Mineral campground, ca. 1/2 mi. e of Mineral. 1508 Comment
  JEPS9570  Dicentra formosa Joseph Grinnell 1925-7-21 Tehama Mineral 1463 Comment
  CAS-BOT-BC483639  Dichelostemma capitatum Anthony J. Desch; Bryon Cariss 1988-3-26 16 Tehama 17.5 miles east of Tehama/Shasta Co. line o nRt. 36 24 Comment
  RSA49304  Dichelostemma multiflorum Philip A. Munz 1949-5-14 13198 Tehama 5 miles N of Red Bluff Comment
  SEINET12046119  Dichelostemma multiflorum E. J. Miller 1978-1 6 Tehama 1 km W of Sacramento River at Woodson Bridge 9 Comment
  CHSC55417  Diplacus douglasii Vivian L. Long 1991-4-4 6 Tehama Ca. 10 m w of Hwy A6, 1.6 km n Hwy 36, .8 km s Dales Lake. 203 Comment
  CHSC108075  Diplacus layneae B. Castro; L. P. Janeway 2000-6-11 1280 Tehama Inner North Coast Ranges. E-facing slope below Raglin Ridge Rd, near the top of Raglin Ridge, above Pepperwood Spring. Stony flat opening ca 20 ft SE of road. 899 Comment
  CAS-BOT-BC153331  Diplacus layneae R. C. Barneby 1954-5-15 11493 Tehama 1 1/2 mi. w. of Paynes Creek 518 Comment
  CAS-BOT-BC151455  Diplacus nanus Alice Eastwood; John Thomas Howell 1941-7-9 9791 Tehama Government Flat 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
  CHSC65676  Dodecatheon clevelandii subsp. patulum Vernon H. Oswald; Lowell Ahart 1996-3-18 7233 Tehama Hog Lake Plateau. BLM parcel. Between the Sacramento River and the power transmission lines, ca. 0.75 mi N of the S boundary of the parcel. Locally abundant in open grassland and open blue oak savanna throughout the parcel. 182 Comment
  HSC85889  Dodecatheon clevelandii subsp. patulum Sandy Floyd, Tom Munton, T'ai Roulston 1987-3-28 57 Tehama Rte. 36, mile marker 51.50, 10 mi. E of Red Bluff 300 Comment
  HSC89734  Dodecatheon clevelandii subsp. patulum Robin Bencie, James Jones, Rich Dwerlkotte 1989-3-31 6 Tehama Hwy. 36, approx. 11 mi. E of Sacramento River in Red Bluff 274 Comment
  UC673357  Dodecatheon subalpinum L. Wohletz 1933-4-1 Tehama foothill region of Los Molinos Comment
  HSC59041  Downingia bicornuta Thomas Wood 1979-4-28 134 Tehama Along Leninger Rd., E of Vina. 73 Comment
  UC1586621  Downingia bicornuta var. bicornuta Vernon H. Oswald and Lowell Ahart 1991-5-9 4558 Tehama ca 6.5 mi nne Red Bluff (ca 1.5 mi ne of the Bend Bridge over the Sacramento River, Paynes Creek Recreation Area, ca 0.5 mi sse of the entrance kiosk); Paynes Creek Recreation Area 112 Comment
  UC2043174  Downingia bicornuta var. bicornuta Barbara Ertter with Jim Nelson, Julie Kierstead and Bob Orange 1990-5-13 8942 a Tehama Ca. 2 miles NW of Tuscan Butte, ca. 10 air miles NE of Red Bluff. Comment
  CHSC111134  Downingia cuspidata Lowell Ahart 2012-6-2 18148 Tehama 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
  CHSC64607  Downingia cuspidata Vernon H. Oswald; Lowell Ahart 1995-4-17 6648 Tehama Dales Lake Ecological Reserve. Cascade Range Foothills. W side of Manton Rd. (A6) ca. 1 mi n of Dales Station on Hwy. 36, ca. 14 mi ne of Red Bluff. Between Dales Lake and the w boundary of the reserve. 213 Comment
  CDA12944  Downingia ornatissima G. F. Hrusa 1996-5-2 12905 Tehama Central Valley; near corner of Plaskenta Rd. and Ottmar Ave (Dusty Way). Comment
  CHSC40712  Downingia ornatissima Pauleen Broyles 1982-4-28 464 Tehama The Nature Conservancy Vina Plains Preserve. In an internal drainage which feeds a small vernal pool ca 50 meters s of Lassen Road and 100 meters e of an irrigation ditch. Comment
  CHSC46213  Downingia ornatissima Pauleen Broyles 1986-4-9 960 Tehama The Nature Conservancy Vina Plains Preserve. Along fence 50 m west of telephone line. 66 Comment
  CHSC14021  Downingia ornatissima var. ornatissima B. M. Heidinger 1974-4-23 160 Tehama Located n of Cana ca. 300 yds n of bridge on Cana Pine Creek Road. 60 Comment
  JEPS108531  Downingia ornatissima var. ornatissima Lisa Schultheis 1995-5-1 90 -95 Tehama South of Red Bluff. On west side of Rawlins Rd., between Gyle and Tehama Rds. Comment
  UC596494  Downingia ornatissima var. ornatissima R. F. Hoover 1937-5-19 2252 Tehama near Vina Comment
  UC890649  Downingia ornatissima var. ornatissima Elmer I. Applegate 1928-4-25 5383 Tehama between Orland and Corning Comment
  JEPS90707  Downingia pusilla Dean Wm. Taylor, Glenn L. Clifton, Rexford E. Palmer 1987-4-23 8934 Tehama 0.3 mi w Paskenta [Road] (approx. 3.5 mi w of Interstate 5 and 10 mi se of Red Bluff, w of Gerber 7 1/2 quadrangle); Sacramento Valley, Oat Creek 103 Comment
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Apr 10 2009
  JEPS96069  Drymocallis glandulosa var. reflexa Vernon H. Oswald and Lowell Ahart 1996-5-6 7514 Tehama BLM Parcel along Highway 36 NE of Red Bluff, Hog Lake Plateau, Cascade Range Foothills. 182 Comment
  JEPS44201  Drymocallis hansenii Jos. Grinnell 1925-7-7 Tehama Mineral 1463 Comment
  CAS-BOT-BC157801  Drymocallis lactea var. lactea Ethel Crum 1937-8-7 1953 Tehama 1.6 miles northwest of Mineral Summit 1463 Comment
  CAS-BOT-BC157802  Drymocallis lactea var. lactea Alice Eastwood; John Thomas Howell 1941-7-9 9838 Tehama Near Government Flat Comment
  CHSC117620  Dysphania botrys Lowell Ahart; John Dittes, Josephine Guardino 2016-9-21 21367 Tehama On the east side of Highway 89, a little south of Bluff Falls, about 1 mile south of Lassen Volcanic National Park, about 2 1/2 miles (air) north of Morgan Mountain. 1963 Comment
  CHSC77562  Dysphania botrys Heidi West; Jenny Marr, Caroline Warren 1998-10-13 Tehama Vicinity of South Fork Cottonwood Creek and Dippingvat Flat. 304 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
  CHSC88283  Echinochloa colona Lowell Ahart 2004-6-28 11129 Tehama Gravel bar on the south side of Thomes Creek, about 1/4 mile east of Paskenta. 213 Comment
  SEINET10564132  Echinochloa crus-galli Virginia E. Long 1931-8-14 Long 102 a Tehama Corning, Abundant in drainage ditch along highway. Common in rice fields. 79 Comment
  JEPS105964  Echinochloa muricata Lowell Ahart 2004-6-28 11129 Tehama Gravel bar on the south side of Thomes Creek, about 1/4 mile east of Paskenta 213 Comment
  CHSC117790  Eclipta prostrata B. Castro; Evan Mackinnon 2016-8-17 2153 Tehama Sacramento Valley. In Elder Creek channel, ca 3.7 air mi upstream (NW) of its confluence with the Sacramento River and 800 ft W of the Hwy 99W bridge in rural residential area W of town Gerber. 76 Comment
  CHSC107240  Elatine californica Lowell Ahart; John Dittes 2011-6-9 17448 Tehama Rio De Los Molinos Land Grant. In shallow water or on wet bare sandy soil, bottom of a large vernal pool, sand dune area, about 100 yards south of the fence, 1.6 miles (air) east of Highway 99, 2.4 miles (air) north of Vina. 80 Comment
  JEPS88361  Eleocharis acicularis Vernon H. Oswald and Lowell Ahart 1996-9-4 8253 Tehama BLM parcel along Hwy 36 ne Red Bluff (growing on edge of creek ca 1 mi upstream from old bridge site); Cascade Range Foothills, Hog Lake Plateau, Paynes Creek 131 Comment
  UCD80264  Eleocharis acicularis var. acicularis CNPS SN Foothill Team 2005-6-7 SNNR 0213 b Tehama TNC Dye Creek Preserve, near Ballard Spring. 434 Comment
  JEPS66415  Eleocharis bella L. R. Heckard and P. Rubtzoff 1971-7-31 2677 Tehama just NE of Red Bluff (land-locked lagoon off the Sacramento River) Comment
  CDA38947  Eleocharis macrostachya L. Ahart 2004-6-28 11136 Tehama Gravel bar on the south side of Thomes Creek, about 1/4 mile east of Paskenta. Comment
  CHSC80094  Eleocharis macrostachya L. P. Janeway 2000-5-16 6730 Tehama Vicinity of Rice Creek, west of Hwy I-5. 85 Comment
  CHSC87944  Eleocharis macrostachya Lowell Ahart 2004-6-28 11136 A Tehama Gravel bar on the south side of Thomes Creek, about 1/4 mile east of Paskenta. 213 Comment
  JEPS116113  Eleocharis macrostachya Lowell Ahart, John Dittes, Josephine Guardino 2009-8-27 16335 Tehama On a small mound, island when pond is full, about 100 yards east of Forest Service Road 29N25A, Childs Meadows, about 2,600 feet south of the intersection of Highway 36 (89) and Forest Service Road 29N25A, 2.3 miles (air) northeast of the town of Mill Cre 1493 Comment
  CHSC77396  Eleocharis palustris Heidi West; Caroline Warren 1999-5-5 Tehama Vicinity of upper North Fork Stony Creek, Rocky Ridge, and Newville. 228 Comment
  CHSC88263  Eleocharis parishii Lowell Ahart; Samantha Mackey Hillaire 2004-7-9 11182 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
  JEPS106246  Eleocharis parishii Lowell Ahart, Samantha Mackey Hillaire 2004-7-9 11182 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
  JEPS100715  Eleocharis quadrangulata Dean W. Taylor 1993-8-31 14060 b Tehama Inks Creek, ca. 1.5 air mile N of Dales Lake, in large stock pond in unnamed south fork Inks Creek, 186 Comment
  CAS-BOT-BC112152  Eleocharis quinqueflora Philip Alexander Munz 1951-7-25 16854 Tehama Square Lake, n base of South Yolla Bolly Mts. 2133 Comment
  JEPS104449  Eleocharis suksdorfiana Lowell Ahart 2003-8-23 10533 Tehama Meadow, ca 50 yd e of Square Lake, ca 3/4 mi ne of Mount Linn, South Yolla Bolly. 2112 Comment
  JEPS95181  Elodea canadensis Vernon H. Oswald and Lowell Ahart 1996-6-3 7711 Tehama BLM parcel along Hwy 36 ne of Red Bluff (along Paynes Creek 0.5 mi downstream from old bridge site, Cascade Range Foothills, Hog Lake Plateau); Hog Lake Plateau, Cascade Range Foothills, Paynes Creek 100 Comment
  SD131801  Elodea canadensis L. R. Heckard, P. Rubtzoff 1971-7-31 2680 Tehama In shallow water of lagoon off the Sacramento River, just northeast of Red Bluff. Comment
  UCD80873  Elymus CNPS SN Foothill Team 2005-7-1 SNNR 0492 c Tehama USFS Lassen National Forest, ca.1/4 mile south of Lassen Trail trailhead. 1171 Comment
  CAS-BOT-BC227934  Elymus elymoides John Thomas Howell 1960-8-18 36082 Tehama Lassen Volcanic National Park. Sulphur Works Checking Station 2011 Comment
  CDA31718  Elymus elymoides subsp. californicus L. Ahart 2001-6-8 8806 Tehama On the west side of road M2, about 9 miles west of Paskenta. Comment
  CHSC90896  Elymus multisetus Niall McCarten; Roxanne Bittman 1986-6-14 5340 Tehama Mendocino National Forest; North Coast Ranges; Thomes Creek Watershed. 0.25 mi. W of jct. Rd. 25N41 and 25N32. 1402 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
  UC1609508  Elymus sierrae Vernon H. Oswald and Lowell Ahart 1993-9-2 5912 Tehama ca 20 air mi nw Paskenta, (ridge running e from Mt. Linn, n slope of ridge near summit); South Yolla Bolly Mtns. 2438 Comment
  HSC95530  Elymus trachycaulus subsp. trachycaulus L. Ahart 2001-6-8 8809 Tehama W side of Road M2, ~9.0 mi. W of Paskenta 793 Comment
  CAS-BOT-BC204309  Elymus trachycaulus subsp. trachycaulus John Thomas Howell 1960-8-20 36220 Tehama Near Lassen Volcanic National Park. Morgan 1463 Comment
  CHSC80654  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
  UCD169428  Epilobium brachycarpum Lowell Ahart 2006-7-25 13075 Tehama About 5 miles (air) northeast of Butte Meadows, about 2 miles (air) southeast of Colby Mountain, about 20 yards east of where the dirt road crosses Colby Creek, on the west edge of the dirt road. 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
  CHSC94507  Epilobium canum subsp. latifolium Lowell Ahart 2006-8-15 13204 Tehama Gray ridge northwest of the road, on the northwest side of the very good gravel logging road, about 4 miles (by road) to Highway 32. 1516 Comment
  JEPS102646  Epilobium canum subsp. latifolium Lowell Ahart 2001-8-28 9183 Tehama Along a small dry stream, on the east side of Highway 32 and SE of the intersection with road 390 - G of Sierra Pacific Industries, about 4 miles by road south of bridge across Deer Creek. 1219 Comment
  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
  RSA66612  Epilobium ciliatum subsp. glandulosum P. A. Munz 1951-7-25 16904 Tehama Square Lake, N base of South Yolla Bolly Mountains. 2134 Comment
  CHSC88292  Epilobium densiflorum Lowell Ahart 2004-6-28 11140 Tehama Gravel bar on the south side of Thomes Creek, about 1/4 mile east of Paskenta. 213 Comment
  JEPS104057  Epilobium densiflorum Lowell Ahart 2003-6-11 10246 -A Tehama On the w side of Battle Creek, ca 1 mi n of Manton Rd, ca 1 1/2 mi (air) ne of the Colman Power House, ca 5 mi (air) wsw of Darah Springs State Fish Hatchery, ca 10 mi (air) ene of Cottonwood. 153 Comment
  JEPS88308  Epilobium densiflorum Vernon H. Oswald and Lowell Ahart 1996-5-20 7599 Tehama BLM parcel along Hwy. 36 n.e. Red Bluff (in flood channel along Paynes Creek); Cascade Range Foothills, Hog Lake Plateau, Paynes Creek 158 Comment
  RSA767800  Epilobium densiflorum L. Ahart, John Dittes 2010-7-17 16882 Tehama South side of Ponderosa Way, about 10 yards southwest of Soap Creek Crossing, about 4.5 air miles southeast of Manton, about 2.5 air miles north of Highway 36. 727 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
  UC575019  Epilobium glaberrimum subsp. glaberrimum C. Epling, Wm. Robison 1935-7-16 Tehama near Mineral Comment
  UC725704  Epilobium glaberrimum subsp. glaberrimum A. A. Heller 1937-6-26 15345 Tehama slope along creek w Deer Creek Meadows; Deer Creek 1371 Comment
  POM304457  Epilobium hallianum Alice Eastwood, John Thomas Howell 1941-7-9 9802 Tehama Government Flat Comment
  CHSC48631  Epilobium hornemannii subsp. hornemannii Vernon Oswald 1988-7-12 3570 Tehama Ides Cove Loop Trail (9W04), South Yolla Bolly Mts, at a spring located 0.88 mi w of the trailhead. 2130 Comment
  RSA66993  Epilobium hornemannii subsp. hornemannii P. A. Munz 1951-7-25 16880 Tehama 1/3 mile east of Square Lake, South Yolla Bolly Mountains 2134 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
  CHSC67257  Epilobium minutum James D. Jokerst 1983-5-10 1746 Tehama Wurlitzer Ranch E of Meridian Rd., top of bluff that is the S bank of Zimmershed Creek where the flow changes from S to W. 103 Comment
  POM304448  Epilobium minutum Alice Eastwood, John Thomas Howell 1941-7-9 9763 Tehama Log Spring Ridge between Log Spring and Government Flat. Comment
  RSA90801  Epilobium minutum Keith Wagnon 1953-5-3 MSB- 12668 Tehama W of Paskenta along logging road. 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
  CHSC66031  Epilobium torreyi Vernon H. Oswald 1996-5-13 7557 Tehama Northwest side of Sacramento Valley. Thomes Creek Ecological Reserve. CDFG parcel on the S side of Gyle Rd, NW of Corning. Along drainage on the meander plain of the creek ca. 0.3 mi E of the W boundary of the reserve. 100 Comment
  CHSC86821  Epilobium torreyi Jenny Marr; Heidi West, Caroline Warren, Natalie Wight 1998-6-2 Tehama Vicinity of Salt Creek, Newville Road, and Newville. 228 Comment
  JEPS104295  Epilobium torreyi Lowell Ahart 2003-6-11 10248 Tehama On the w side of Battle Creek, ca 1 mi n of Manton Rd, ca 1 1/2 mi (air) ne of the Colman Power House, ca 5 mi (air) wsw of Darah Springs State Fish Hatchery, ca 10 mi (air) ene of Cottonwood. 153 Comment
  UC1949054  Epilobium torreyi Barbara Ertter with Brad Olson 1991-7-5 10311 Tehama Metzger Ranch at confluence of Big and Little Crane creeks [=Stiver's Ranch], ca 15 airmiles WNW of Red Bluff; Long Gulch in SE corner of ranch Comment
  CHSC57330  Equisetum arvense S. R. Mitchelson 1987-4-12 9 Tehama Ca 10 m n of jct of N. Fork of Antelope Creek and Deadhorse Creek. 940 Comment
  UCD135419  Equisetum hyemale P. Thompson 1996-4-28 46 Tehama 12 km southwest of Hwy 32 and Hwy 39 junction. 1200 Comment
  CAS-BOT-BC204514  Eragrostis cilianensis Virginia E. Long 1931-8-14 101 a Tehama Richfield Colony, three miles north of Corning 79 Comment
  CDA13582  Eragrostis cilianensis G. F. Hrusa 1996-8-17 13506 Tehama Sacramento Valley; Annual, uncommon in dry, gravelly creekbed of Blue Tent Creek immediately downstream from Jelly's Ferry Rd. crossing, and adjacent to Interstate 5. Comment
  CHSC106702  Eragrostis pilosa var. pilosa Barbara Ertter; Elizabeth Neese, laure Fujii, Dawn Espindola 1989-10-21 8890 Tehama S side of NW arm of Black Butte Lake, W of Orland. 152 Comment
  HSC39118  Eremogone congesta Gary S. Lester, Jeff Witcosky 1973-6-30 48 Tehama Yolla Bolly Wilderness Area, springs at head of Bear Gulch, S facing slope above the S Fork of Cottonwood Creek 2104 Comment
  HSC4048  Eremogone congesta Louise Kellogg 1952-7-17 74 Tehama S Yolla Bolly Mtn., Middle Eel-Yolla Bolly Primitive Area 2439 Comment
  UC572334  Ericameria bloomeri P. L. Johannsen 1936-8-20 986 Tehama 0.5 mi ne Colby Mountain; Lassen National Forest, Paynes Creek Quad. 1706 Comment
  CAS-BOT-BC287469  Ericameria greenei John Thomas Howell 1960-8-19 36191 Tehama Lassen Volcanic National Park. Brokeoff Mt 2804 Comment
  CAS-BOT-BC287475  Ericameria greenei F. P. Cronemiller 1923-8-16 825 Tehama Cold Spring Ridge 1828 Comment
  CAS-BOT-BC287476  Ericameria greenei Hans Leschke 1954-9-22 s.n. Tehama Lassen Volcanic National Park. Brokeoff Mt 2316 Comment
  JEPS76650  Ericameria ophitidis L. R. Heckard 1972-6-17 2974 Tehama w slope Tedoc Mt. 1310 Comment
  CHSC104780  Ericameria parryi var. latior L. P. Janeway 2010-8-29 10175 Tehama High Cascade Range. 1.8 air km east of Colby Mountain; along Road 17N06 7.4 road km northwest of Humboldt Road and Jonesville. Roadside opening. 1655 Comment
  CHSC66875  Erigeron canadensis Vernon H. Oswald; Lowell Ahart 1996-9-4 8255 Tehama Hog Lake Plateau. Cascade Range Foothills. BLM parcel along Hwy. 36 NE of Red Bluff. Paynes Creek ca. 1 mi upstream from the old bridge site. 131 Comment
  JEPS76260  Erigeron compositus Todd Keeler-Wolf 1977-9-10 661 Tehama near summit Mt Linn; South Yolla Bolly Mountains 2459 Comment
  CHSC26282  Erigeron divergens R. W. Conover 1975-4-7 1 Tehama On side of Belle Mill Rd., 3.2 mi ne of Hwy. 99, 4 mi e of Red Bluff. 182 Comment
  UC1586624  Erigeron divergens Vernon H. Oswald and Lowell Ahart 1991-5-9 4562 Tehama located ca. 1.5 mi ne (over the Sacramento River) Bend Bridge (ca. 6.5 mi nne of Red Bluff, on the w edge of Paynes Creek, ca. 1000 ft upstream from the Sacramento River); Paynes Creek Recreation Area 91 Comment
  UC896077  Erigeron glacialis var. glacialis Alice Eastwood Aug 22 1912-Aug 26 1912 1829 Tehama trail from Lassen Butte to Morgans springs Comment
  UCD80052  Erigeron inornatus var. inornatus CNPS SN Foothill Team 2005-6-30 SNNR 0465 Tehama USFS Lassen National Forest, in the Ishi Wilderness area. 701 Comment
  CAS-BOT-BC295478  Erigeron lassenianus var. lassenianus G. Ledyard Stebbins; Walter Knight; Irja Knight 1968-7-6 2563 Tehama Government Flat 1783 Comment
  CHSC75380  Eriodictyon californicum Ben Myhre 1997-4-25 29 Tehama Dye Creek Preserve, 8 miles north of Los Molinos. About 1/4 mile west of the mouth of Dye Creek Canyon. 106 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
  RSA158043  Eriogonum compositum var. compositum J. M. Tucker, L. K. Mann 1959-7-19 3550 Tehama On ridge ca. 1/4 mile east of summit of South Yolla Bolly Mountain 2378 Comment
  UC1245127  Eriogonum compositum var. compositum J. M. Tucker and L. K. Mann 1959-7-19 3550 Tehama ridge ca. 1/2 mi e summit of South Yolla Bolly Mountain 2377 Comment
  CAS-BOT-BC465596  Eriogonum dasyanthemum Julie Kierstead Nelson; Aaron Sims 2015-6-19 2015 -064 Tehama West slope Te4doc Mountain, Beegum Creek watershed 1400 Comment
  CHSC32795  Eriogonum dasyanthemum James Jokerst 1980-6-18 887 Tehama North Coast Ranges. Near Mud Flat. 852 Comment
  CHSC78686  Eriogonum dasyanthemum L. P. Janeway; B. Castro 2000-6-11 6791 Tehama Inner North Coast Ranges. Pepperwood Spring; near the top of Raglin Ridge. 902 Comment
  CHSC80676  Eriogonum dasyanthemum Lowell Ahart 2001-6-8 8783 Tehama On the west side of road M2, about 9 miles west of Paskenta. 792 Comment
  HSC71873  Eriogonum dasyanthemum Thomas W. Nelson, Jane P. Nelson 1980-6-22 5801 Tehama Along road to Wells Creek Campground, 1 mi. SE of Tedoc Gap 1311 Comment
  JEPS102432  Eriogonum dasyanthemum Lowell Ahart 2001-6-8 8783 Tehama On the west side of road M2, about 9 miles west of Paskenta. 792 Comment
  UC1618385  Eriogonum dasyanthemum Barbara Ertter 1991-9-2 10792 Tehama 8 air mi w of Paskenta (8.8 mi w of Newville Road jct, Round Valley - Paskenta Road (Rt M4)); Round Valley - Paskenta Road 914 Comment
  CAS-BOT-BC242618  Eriogonum dasyanthemum Clare B. Hardham 1971-8-9 18334 Tehama Road from Paskenta to South Yolla Bolly Mountain 1158 Comment
  CAS-BOT-BC242620  Eriogonum dasyanthemum A. A. Heller 1924-9-20 13890 a Tehama Near Corning in the Sacramento Valley Comment
  RSA0081455  Eriogonum dasyanthemum Barbara J. Ertter, Brad Olson 1991-7-5 10321 Tehama Metzger Ranch at confluence of Big and Little Crane creeks (='Stiver's Ranch'), about 15 air miles west-northwest of Red Bluff. 213 Comment
  RSA21576  Eriogonum dasyanthemum Carl B. Wolf 1937-9-6 9295 Tehama Paskenta - Covelo Road, 2 miles below Mud Flat 457 Comment
  RSA756705  Eriogonum dasyanthemum Barbara J. Ertter, Brad Olson 1991-7-6 10452 Tehama Toomes Camp Road (M22) 9.3 mi W of Paskenta jct, ca 25 airmiles W of Corning 945 Comment
  HSC71043  Eriogonum libertini Thomas W. Nelson, Jane P. Nelson 1979-6-25 4888 Tehama Along rd. to Mt. Tedoc From Tedoc Gap 1494 Comment
  HSC74830  Eriogonum libertini J. P. Smith, Thomas W. Nelson 1978-7-22 10019 Tehama Shasta-Trinity National Forest, Tedoc Mtn. 1614 Comment
  JEPS81087  Eriogonum libertini Thomas W. Nelson and Jane P. Nelson 1980-6-22 5849 Tehama summit of Mount Tedoc Shasta-Trinity National Forest, Yolla Bolly Quad, Mount Tedo 1584 Comment
  SEINET3026120 Image available 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. 1390 Comment
  UC1299704  Eriogonum libertini Freed W. Hoffman 1949-7-21 3051 Tehama near Tedoc Gap; North Coast Ranges, Tedoc Mountain Comment
  UC1425861  Eriogonum libertini Barbara Williams 1979-7-19 270 Tehama 1/2 mi on trail to M.F. Beegum Cr. Pole Coural gap 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
  CAS-BOT-BC259372  Eriogonum lobbii P. A. Munz 1951-7-26 16924 Tehama East flank of South Yolla Bolly Pk. 2346 Comment
  CAS-BOT-BC259373  Eriogonum lobbii P. A. Munz 1951-7-26 16924 Tehama East flank of South Yolla Bolly Pk. 2346 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
  CHSC75518  Eriogonum luteolum var. luteolum G. F. Hrusa 1996-8-17 13509 Tehama On edges of dry, gravelly creekbed of Blue Tent Creek. Immediately downstream from Jelly's Ferry Rd. crossing, and adjacent to Interstate 5. 200 Comment
  CAS-BOT-BC263205  Eriogonum marifolium var. marifolium John Thomas Howell 1960-8-19 36137 Tehama Lassen Volcanic National Park. Brokeoff Mt. Trail 2438 Comment
  CHSC72411  Eriogonum nudum var. nudum Vernon H. Oswald; Lowell Ahart 1998-10-27 9684 Tehama Nomalski Trail west of Paskenta and north of Mud Flat Rd. between China Gulch and Bowers Creek. 548 Comment
  CHSC66635  Eriogonum nudum var. pubiflorum Vernon H. Oswald; Lowell Ahart 1996-7-15 8058 Tehama W side of Hwy. 32 at the bridge over the North Fork of Deer Creek, ca. 0.8 mi SW of Hwy. 36. 1389 Comment
  CHSC86980  Eriogonum nudum var. pubiflorum Jenny Marr; Heidi West 1998-10-13 Tehama Vicinity of South Fork Cottonwood Creek and Dipping Vat Flat. 304 Comment
  UC1949196  Eriogonum nudum var. pubiflorum Barbara Ertter with Brad Olson 1991-6-4 10184 Tehama Toomes Camp Rd (Mendocino FR 23N01) 5.3 mi W of Paskenta, ca 22 airmiles W of Corning Comment
  JEPS56541  Eriogonum plumatella W. G. Wright 1925-7-12 Tehama Mineral 2438 Comment
  RSA739810  Eriogonum roseum John Dittes, Josephine Guardino 2005-7-30 1065 Tehama Northern Sacramento Valley, S bank of Mill Creek, 0.3 miles E of confluence with Sacramento River, old field on historic floodplain terrace of Mill Creek. 64 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
  RSA66603  Eriogonum spergulinum var. reddingianum P. A. Munz 1951-7-25 16893 Tehama 1 mile E of Square Lake. 2134 Comment
  SBBG119891  Eriogonum spergulinum var. reddingianum L. Ahart 2003-8-23 10525 Tehama ca. 10 yards N of Square Lake, ca. 0.75 mi NE of Mount Linn, S Yolla Bolly 2112 Comment
  HSC74829  Eriogonum strictum var. greenei J. P. Smith, Thomas W. Nelson 1978-7-22 10018 Tehama Shasta-Trinity National Forest, Tedoc Mtn. 1614 Comment
  CDA22669  Eriogonum tripodum L. Ahart 2001-6-14 8840 Tehama About 300 yards north of road M2, and north of the poor dirt road that is used to service the power poles, about 8.5 miles west of Paskenta. Comment
  UC1735890  Eriogonum tripodum Dean W. Taylor 1992-6-18 12805 Tehama Valentine Ridge, along Forest Road 25N01 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
  CAS-BOT-BC262283  Eriogonum ursinum George W. Gillett 1957-8-13 1065 Tehama Lassen Volcanic National Park. Brokeoff Mountain 2514 Comment
  JEPS56201  Eriogonum ursinum Joseph Grinnell 1925-7-12 Tehama Mineral 2438 Comment
  CHSC82123  Eriogonum ursinum var. ursinum L. P. Janeway 2001-7-29 7402 Tehama High Cascade Range. 4.8 km southeast of Turner Mountain, along Road 29N48 overlooking Mill Creek. 1736 Comment
  CHSC90678  Eriogonum wrightii var. trachygonum D. Isle 1996-3-7 1008 Tehama Mendocino National Forest--North Coast Ranges. North Fork Stony Creek Watershed. Wilder Research Natural Area. 365 Comment
  CHSC88531  Eriophyllum lanatum var. achilleoides Jenny Marr; Beth Hendrickson 1999-5-28 Tehama Vicinity of Long Hollow, Grizzly Creek, and Bluedoor Flat. 289 Comment
  JEPS97441  Eriophyllum lanatum var. achilleoides Vernon H. Oswald and L. Ahart 1995-7-12 6999 Tehama T29N R9W NW1/4 Sec. 34, 3120 ft, Inner North Coast Ranges, Chaparral, serpentine-derived soil. W of Red Bluff and S of Platina on Forest Route 45 (Tedoc Mtn. Rd.), 3.2 mi S of Hwy. 36 950 Comment
  HSC74984  Eriophyllum lanatum var. achilleoides J. P. Smith, Thomas W. Nelson 1979-6-25 10204 Tehama Shasta-Trinity National Forest. Road to Tedoc Mtn., 2.8 mi. from its junction with S.R. 36 854 Comment
  CHSC77726  Eriophyllum lanatum var. aphanactis B. Castro; L. P. Janeway 1999-5-12 933 Tehama About 21 air miles NW of Orland, vicinity of Newville and Rocky Ridge. 219 Comment
  CAS-BOT-BC308198  Eriophyllum lanatum var. grandiflorum Ethel Wickes 1917-6-1 s.n. Tehama Red Bluff Comment
  CHSC102455  Eriophyllum lanatum var. grandiflorum L. P. Janeway 2009-6-21 9821 Tehama Cascade Range Foothills. Tehama Wildlife Area; top of ridge between Little Grapevine Creek and Antelope Creek (at mouth of Indian Creek); along East Grapevine Jeep trail 2.4 road km east of Ishi Road. 686 Comment
  CHSC118031  Eriophyllum lanatum var. grandiflorum Daphne K. Christopher; Lowell Ahart, John Dittes, Hannah Stevens 2003-4-17 198 Tehama Dye Creek Nature Conservancy Preserve. Antelope Creek trail. 767 Comment
  JEPS34625  Eriophyllum lanatum var. grandiflorum W. L. Jepson 1934-5-4 16623 Tehama 2 mi e Andrews road sta.; Big Antelope Creek Comment
  JEPS97448  Erodium brachycarpum Vernon H. Oswald and L. Ahart 1995-3-6 6516 Tehama Dales Lake Ecological Reserve. T29N R2W NW1/4 NE1/4 Sec. 26, 750 ft, Cascade Range Foothills, Blue Oak Woodland, basalt substrate. W side of Manton Rd. (A6) ca. 1 mi n of Dales Station on Hwy. 36, ca. 14 mi ne of Red Bluff 228 Comment
  HSC8503  Erodium brachycarpum John L. Heywood, D. H. Norris 1968-3-31 1866 Tehama Hwy. 36, 56 mi. E of Shasta Co. line. Comment
  HSC8511  Erodium brachycarpum John L. Heywood, D. H. Norris 1968-3-31 1864 Tehama Hwy. 36, 56 mi. E of Shasta Co. line. Comment
  CHSC102459  Erodium cicutarium L. P. Janeway 2009-6-21 9817 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 Antelope Creek, near its head. 628 Comment
  HSC8482  Erodium cicutarium John L. Heywood, D. H. Norris 1968-3-31 1828 Tehama Hwy. 36, 71 mi. E of Shasta Co. line Comment
  CHSC64935  Eryngium articulatum Vernon H. Oswald 1995-7-12 7062 Tehama Hwy. 36 16.6 mi W of Red Bluff. Locally abundant on the dry bed of a vernal pool. 228 Comment
  JEPS108201  Eryngium articulatum David Gowen 2005-6-25 469 Tehama Hwy 36 at Bossley Road near mile post 27 E from Shasta Co. N of driveways with mailboxes. Comment
  UC735031  Eryngium articulatum Lincoln Constance and Herbert L. Mason with J. F. Davidson and J. M. Tucker 1947-5-18 3202 Tehama 1 mi. w. Corning (Sacramento Valley); Sacramento Valley 91 Comment
  UCD127481  Eryngium articulatum Brad D. Schafer 2005-7-29 166 Tehama 6.5 km southwest of Manton, CA and 0.5 km north of Manton Road near the Eagle Canyon Canal. 395 Comment
  JEPS16983  Eryngium castrense W. L. Jepson 1927-6-25 12349 Tehama Pine Creek road station Comment
  UC1552107  Eryngium castrense A. Liston and M. Blumler 1987-4-24 654 -9 Tehama 4-5 mi SW of Dales (Hwy. 36 between Dales and Paynes Creek) Comment
  UC764145  Eryngium castrense R. F. Hoover 1938-6-10 3585 Tehama 6 mi. s. Corning Comment
  OBI8970  Eryngium castrense Robert F. Hoover 1968-5-27 11102 Tehama 10 mi west of Corning Comment
  CAS-BOT-BC54564  Erysimum capitatum John Thomas Howell 1960-8-19 36163 Tehama Brokeoff Mountain Trail. 2682 Comment
  SEINET5342744  Erysimum capitatum B. Blincoe 1961-4-29 s.n. Tehama 30 miles east of Red Bluff. 914 Comment
  CHSC65048  Erysimum capitatum var. capitatum Vernon H. Oswald; Lowell Ahart 1995-7-17 7095 Tehama High Cascade Range. Forest Road 29N22 2.4 mi W of Hwy. 89, ca. 3 mi S of the SW corner of Lassen Volcanic National Park. 1780 Comment
  UC1034888  Erysimum perenne G. B. and R. P. Rossbach 1938-7 890 a & b Tehama just s Soda Spring; Lassen Volcanic Nat. Park Comment
  CHSC89842  Erythranthe cardinalis Shirley Innecken; B. Castro 2001-6-11 Tehama Vicinity of Thomes Creek, Bennett Creek and Round Valley Rd. Near edge of Bennett Creek. 304 Comment
  CHSC27312  Erythranthe guttata T. B. Devine 1977-5-22 381 Tehama Pine Creek. 50 yds e of Wurlitzer House. S of Creek, 6 mi e of Hwy 99. 121 Comment
  CHSC27325  Erythranthe guttata T. B. Devine 1976-8-3 347 Tehama Meadow 1/4 mi w of lake beside unimproved road from Hwy 36 to Wilson Lake. 1584 Comment
  CHSC44240  Erythranthe guttata Vernon Oswald 1988-7-12 3563 Tehama Ides Cove Loop Trail (9W04), South Yolla Bolly Mts, at Boulder Lake (dry) located between Square and Long Lakes, 1.90 mi w of the trailhead. 2148 Comment
  SEINET260811 Image available Erythranthe guttata Leila M. Shultz 11305 Tehama Northen Coastal Rnge area, Corning District of the Mendocino Forest, 305 Comment
  UC2046331  Erythranthe guttata Barbara Ertter with James Shevock 1993-4-30 11639 Tehama Jellys Ferry Road ca. 1 mile SE of Battle Creek, ca. 12 air miles north of Red Bluff. Comment
  CHSC88635  Erythranthe latidens Lowell Ahart 2004-6-11 10789 A Tehama On the northeast side of Dead Rabbit Lake (note, Dead Rabbit Lake is actually about 1/2 mile northwest of this lake), east of the Nomalaki Trail, about 3/4 mile northwest of Forest Road 23N69 (Mud Flat Road), about 7 miles (air) southwest of Paskenta. 571 Comment
  CAS-BOT-BC153599  Erythranthe moschata Susan W. Hutchinson 1933-7-23 5600 Tehama Near the Mineral entrance to Lassen National [Part] Park 1965 Comment
  HSC66097  Erythronium californicum S. Horner 1979-4-19 479 Tehama SW of Saddle Camp 991 Comment
  UCD167219  Erythronium citrinum var. citrinum John Gibson 2016-3-25 30 Tehama El Rancho Rio Frio, near Pettyjohn Rd, western Tehama County, Inner Coast Range ca 30 mi west of Red Bluff. Take Reeds Creek Rd west from Red Bluff. Comment
  CHSC101189  Erythronium multiscapideum L. P. Janeway 2009-3-28 9683 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
  CHSC115035  Erythronium multiscapideum Jessica Moeller 2008-3-24 Tehama ear the junction of Supan Gulch and Hwy 36 East. About 5 miles east of Hog Lake. 185 Comment
  SBBG57772  Erythronium purpurascens H. and M. Dearing 1938-6-23 206 Tehama 15 mi E of Mineral Comment
  SBBG990  Erythronium purpurascens H. and M. Dearing 1938-6-23 2120 Tehama 15 mi E of Mineral Comment
  CHSC78680  Eschscholzia caespitosa Julie Cunningham; Heidi West, Caroline Warren 1998-4-27 Tehama Vicinity of Red Bank Creek, The Narrows, and Grizzly Creek. 274 Comment
  CDA15861  Eschscholzia lobbii G. F. Hrusa, J. Hart 2000-4-8 15307 Tehama Sacramento Valley; Coyote Creek Conservation Area. Comment
  CHSC67259  Eschscholzia lobbii James D. Jokerst 1981-2-23 1249 Tehama Wurlitzer Ranch on Pine Creek, 1.0 mi E of Meridian Rd. Growing along Zimmershed Creek located N. of Pine Creek. Comment
  JEPS117887  Euphorbia oblongata John Dittes, Josephine Guardino 2005-4-13 1061 Tehama east bank of Sacramento River at southern edge of Mill Creek confluence Northern Sacramento Valley (sand bar in active floodplain of Sacramento River) 62 Comment
  UCD142652  Euphorbia ocellata Daryl Koutnik 1988-7-16 s.n. Tehama Vina Plains, east of Hwy 99 and Leninger Road. Comment
  UC2027907  Euphorbia spathulata Barbara Ertter 1990-5-12 8930 Tehama NW side of Dry Fork Creek NW of junction of Highway 36 and Route A5 (Bowman Rd) ca. 15 air miles WNW of Red Bluff, on Reed property Comment
  CHSC84618  Euthamia occidentalis Lowell Ahart; John Dittes 2003-9-17 10572 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
  JEPS127150  Euthamia occidentalis Lowell Ahart, John Dittes 2016-8-25 21276 Tehama Anderson River Park, 0.7 mile (air) upstream from Stillwater Creek Confluence, 1.8 miles (air) northeast of Balls Ferry Road exit from Interstate 5 in Anderson. Undesignated Section of San Buenaventura Land Grant. Comment
  UC1873701  Festuca bromoides Barbara Ertter with James R. Shevock 1993-4-30 11600 Tehama Jellys Ferry Road ca 1mile NNE of Interstate Highway 5 north of Red Bluff. Comment
  HSC74947  Festuca idahoensis J. P. Smith, Thomas W. Nelson 1979-6-23 10162 Tehama Summit of Tedoc Mtn., Shasta-Trinity Natl. Forest 1646 Comment
  UCD66128  Festuca occidentalis A. A. Beetle 1941-6-27 2895 Tehama 10 miles northeast of Lomo, on rte. 32 banks above Deer Creek. Comment
  UCD32610  Festuca roemeri Beecher Crampton 1954-6-16 1976 Tehama Mendocino National Forest, 1 mile northwest of Whiskey Saddle. 1478 Comment
  CHSC55581  Fragaria virginiana K. R. Stern 1986-5-21 8297 Tehama Deer Creek Meadows, 1 mi SE of jct hwys 32 and 36. 1402 Comment
  CAS-BOT-BC53828  Frangula californica subsp. tomentella M. B. Kildale 1926-9-11 2714 Tehama Paynes Creek - 24 miles east of Red Bluff 365 Comment
  CAS-BOT-BC53829  Frangula californica subsp. tomentella Alice Eastwood 1912-8-22 1927 Tehama Lassen Butte Region - near Payne Creek Comment
  CAS-BOT-BC53872  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
  RSA66362  Frasera speciosa P. A. Munz 1951-7-27 16972 Tehama South base of South Yolla Bolly Mountains. 2073 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
  HSC21367  Fremontodendron californicum R. S. White 1965-5-15 81 Tehama 30 mi. E of Red Bluff on Hwy. 36 Comment
  RSA426889  Fremontodendron californicum C. F. Baker 1947-8-14 11997 Tehama Mineral - Red Bluff Hwy. 457 Comment
  RSA91213  Fremontodendron californicum Milo S. Baker 1953-5-10 12649 Tehama Logging road, W of Paskenta, near 9 mile post on road bank. Comment
  CHSC77470  Fremontodendron californicum subsp. californicum David Isle 1990-5-2 Tehama 7 miles west of Paskenta on east edge Rd 23N01. 762 Comment
  JEPS94350  Fremontodendron californicum subsp. californicum Vernon H. Oswald and Lowell Ahart 1997-5-14 8412 Tehama Plum Creek Road 0.1 mi w of Hogback Road se of the town of Paynes Creek; Plum Creek Road 969 Comment
  JEPS55671  Fritillaria glauca Wayne Roderick 1967-6-25 Tehama e side of Anthony Peak Anthony Peak 1905 Comment
  CHSC40845  Fritillaria pluriflora Pauleen Broyles 1982-3-12 330 Tehama The Nature Conservancy Vina Plains Preserve. 66 Comment
  CAS-BOT-BC130456  Fritillaria purdyi Alice Eastwood; John Thomas Howell 1941-7-10 9872 Tehama Anthony Peak, Mendocino - Tehama Co. Comment
  CHSC57012  Fritillaria recurva Steven Triano 1988-4-17 77 Tehama Ca. 30 ft w of Hwy. 32 and 16.6 mi n of Forest Ranch. 1091 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
  SBBG995  Fritillaria recurva H. and M. Dearing 1938-6-21 8065 Tehama Potato Patch Public Camp, Deer Crk 1080 Comment
  HSC71844  Galium ambiguum Thomas W. Nelson, Jane P. Nelson 1980-6-22 5850 Tehama Shasta-Trinity National Forest, summit of Mt. Tedoc 1585 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
  SBBG27415  Galium ambiguum subsp. ambiguum A. Eastwood, J. T. Howell 1941-7-9 Tehama Log Spring Ridge between Log Spring and Government Flat Comment
  UC766037  Galium andrewsii subsp. andrewsii R. F. Hoover 1939-5-11 4102 Tehama foothills above Paskenta (on road to Covelo) Comment
  JEPS52791  Galium andrewsii subsp. andrewsii Lauramay T. Dempster and G. L. Stebbins 1964-6-13 3997 Tehama w Paskenta (junction of Eagle Creek and Patton Mills road) 1143 Comment
  UC1245130  Galium bifolium J. M. Tucker 1959-7-19 3569 Tehama ca 1 1/2 mi e Square Lake (beside trail to lake, ne side of mt.); South Yolla Bolly Mountain 2103 Comment
  UCD80731  Galium bolanderi CNPS SN Foothill Team 2005-6-22 SNNR 0388 Tehama USFS, Lassen National Forest. 955 Comment
  UC1362412  Galium grayanum F. Ehrendorfer 1959-7-19 5933 Tehama South Yollo Bolly Mountain North Coast Ranges 2346 Comment
  CHSC82126  Galium grayanum var. grayanum L. P. Janeway 2001-7-29 7406 Tehama High Cascade Range. 4.8 km southeast of Turner Mountain, along Road 29N48 overlooking Mill Creek. 1736 Comment
  SD70512  Galium grayanum var. nanum F. Ehrendorfer 1959-7-19 5933 Tehama North Coast Ranges, South Yollo Bolly Mountain 2345 Comment
  RSA105484  Galium grayanum var. nanum G. D. Barbe, Milo S. Baker 1955-7-16 1766 Tehama On the E ridge leading to the summit of S Yolla Bolly (Mt. Linn) 2287 Comment
  RSA120645  Galium grayanum var. nanum G. D. Barbe 1955-7-16 176 -a Tehama On the E ridge leading to the summit of S Yolla Bolly (Mt. Linn) 2287 Comment
  CHSC67298  Galium murale James D. Jokerst 1983-5-10 1745 Tehama Wurlitzer Ranch E of Meridian Rd. 103 Comment
  CHSC41093  Galium parisiense Pauleen Broyles 1982-7-2 778 Tehama Where irrigation ditch crosses under Hwy 99, ca 0.5 km S of Lassen Road. 66 Comment
  JEPS122128  Galium parisiense Lowell Ahart, John Dittes 2014-5-16 19482 Tehama About 200 yards southwest of the lone oak tree, about 1/2 mile east of the end of Lyon Cattle Road, about 3 miles (air) northeast of Los Molinos. Comment
  HSC95529  Galium parisiense L. Ahart 2001-6-8 8784 Tehama E side of Rd. M2, 9 mi. W of Paskenta. 762 Comment
  UCSB63873  Galium parisiense Oswald, Vernon; Ahart, Lowell 1996-5-20 Tehama BLM parcel along Red Bluff, T28N R2W SE1/4 NE1/4 Sect 8. 201 Comment
  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
  JEPS113309  Galium sparsiflorum subsp. glabrius L. P. Janeway 2006-6-25 8712 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
  JEPS52625  Galium sparsiflorum subsp. glabrius Lauramay T. Dempster 1964-7-25 4050 Tehama Hwy 32 at south crossing of creek (ca 2 1/2 mi sw of Potato Patch Campground); Deer Creek 983 Comment
  JEPS25393  Galium tricornutum Rimo Bacigalupi with Mr. and Mrs. Chas. Webber and G. T. Robbins 1959-4-21 7007 Tehama State Hwy 36 1 mi n junction with U.S. Highway 99E (along and below road berm); drainage of Salt Creek 83 Comment
  CHSC68963  Galium triflorum Vernon Oswald; Lowell Ahart 1997-7-7 8688 Tehama Forest Road 27N26 0.4 mi west of its junction with 27N06, west of Saddle Campground, near the northeast corner of the Yolla Bolly-Middle Eel Wilderness. 1066 Comment
  CHSC77343  Garrya congdonii L. P. Janeway; B. Castro, Jean Witzman, Beth Hendrickson 1999-5-19 6443 Tehama Ravine along South Fork cottonwood Creek. 359 Comment
  CHSC77582  Garrya congdonii B. Castro; L. P. Janeway, J. Witzman, B. Hendrickson 1999-5-19 896 Tehama About 22 air miles W of Red Bluff, vicinity of S. Fork Cottonwood Creek. 342 Comment
  HSC72226  Garrya congdonii Thomas W. Nelson, Jane P. Nelson 1980-6-23 5864 Tehama Along Pettyjohn Rd., 0.5 mi. E of junction with road to Saddle Camp 915 Comment
  UC1043545  Garrya congdonii P. C. Everett and E. K. Balls 1954-10-16 20315 Tehama 7.6 mi sw Paskenta (on road to Covelo, about Mud Flat Campground) 701 Comment
  UC412939  Garrya congdonii W. W. Mackie Oct 1902 Tehama w of Paskenta Comment
  UC1122696  Garrya fremontii P. L. Johannsen 1936-8-20 990 Tehama 0.5 mi ne Colby Mtn.; Lassen National Forest, Paynes Creek Quad. 1645 Comment
  CHSC113267  Gastridium phleoides Lowell Ahart; John Dittes 2014-5-16 19493 Tehama Open pasture, on the north side of the poor road, about 2 miles east of the end of Lyon Cattle Road, about 4 miles (air) northeast of Los Molinos. 108 Comment
  CHSC78957  Gastridium phleoides Julie Cunningham; Jenny Marr, Caroline Warren 1998-5-11 Tehama Vicicinity of Round Valley Road and Newville Road (Garland Road). 280 Comment
  CDA30211  Gayophytum diffusum subsp. diffusum L. Ahart, J. Dittes, J Guardino 2009-8-27 16319 Tehama On the east side of Forest Service Road 29N25A, Childs Meadows, about 2,600 feet south of the intersection of Highway 36 (89) and Forest Service Road 29N25A, 2.3 miles (air) northeast of the town of Mill Creek, 9.1 miles (air) south of Lassen Peak. Comment
  RSA144903  Gayophytum diffusum subsp. diffusum J. W. MacSwain 1959-8-12 59 -150 Tehama Tehama County: Childs Meadow, along State Hwy 89 Comment
  RSA67192  Gayophytum diffusum subsp. parviflorum P. A. Munz 1951-7-25 16865 Tehama 1 mile E of Square Lake. Comment
  CAS-BOT-BC231523  Gayophytum heterozygum Ellen Dean; M. Starbuck; DHS Madrigals 2010-8-29 6851 Tehama Western edge of Lake Almanor off Hwy 89 1371 Comment
  CHSC105636  Gayophytum heterozygum Lowell Ahart; John Dittes 2010-10-4 17276 Tehama 50 yards southwest of a meadow, on the west bank of the deep gulley, about 200 yards southeast of the dry pond, Childs Meadows, 1.2 miles (air) southeast of the intersection of Highway 36 and USFS Road 24N25, 1.93 miles (air) northeast of the town of Millcreek, 2.9 miles (air) west of Wilson Lake. 1475 Comment
  JEPS117638  Gayophytum heterozygum Lowell Ahart, John Dittes 2010-10-4 17276 Tehama 50 yards southwest of a meadow, on the west bank of the deep gulley, about 200 yards southeast of the dry pond, Childs Meadows, 1.2 miles (air) southeast of the intersection of Highway 36 and USFS Road 24N25, 1.93 miles (air) northeast of the town of Mill 1475 Comment
  UCD104378  Gayophytum heterozygum Ellen Dean; M. Starbuck, DHS Madrigals 2010-8-29 6851 Tehama Western edge of Lake Almanor off Hwy 89. 1371 Comment
  JEPS124050  Gentiana newberryi var. tiogana Lowell Ahart, John Dittes 2015-8-5 20436 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
  SEINET10495124  Geranium dissectum Mary Susan Taylor 1975-4-18 Taylor 490 Tehama Ca. 0.5 mi E of Hwy 99, on Keefer Rd, ca. 0.5 mi NE of jct of Hwy 99 and Keefer-Lassen Rd, ca. 5 mi N of Chico. Around huge vernal pool. 61 Comment
  CDA4673  Geranium molle G. Neilsen 1973-5-1 Tehama Tompkins property, Dusty Way, Red Bluff. 0 Comment
  UC54343  Geum macrophyllum var. perincisum H. M. Hall and E. B. Babcock Jul 1 1903-Jul 2 1903 4333 Tehama near Morgan (Mount Lassen, Mill Creek Canyon); Mount Lassen, Mill Creek Canyon 1524 Comment
  JEPS69523  Gilia capitata subsp. capitata Virginia Bailey 1938-4-16 Tehama 6 mi w Paskenta; w of Paskenta Comment
  UC1949345  Gilia capitata subsp. capitata Barbara Ertter with Brad Olson 1991-7-6 10448 Tehama Toomes Camp Road (M22) 15.6 mi from Paskenta, 2.5 mi E Forest Glade/Three Prong jct. ca 28 airmiles W of Corning, E side Tatham Ridge overlooking valley Comment
  CHSC118039  Gilia capitata subsp. pedemontana Daphne K. Christopher; Lowell Ahart, John Dittes, Hannah Stevens 2003-4-17 202 Tehama Dye Creek Nature Conservancy Preserve. Antelope Creek trail. 767 Comment
  CHSC96535  Gilia capitata subsp. pedemontana Lowell Ahart 2007-5-8 13761 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
  RSA21511  Gilia capitata subsp. pedemontana C. B. Wolf 1937-5-16 8697 Tehama Northern Sierra Nevada Foothills, Red Bluff Susanville Road, 3 mi. below Paynes Creek P. O. 274 Comment
  RSA123782  Gilia sinistra subsp. pinnatisecta G. D. Barbe 1955-7-17 212 Tehama At Cold Springs Camp. 1890 Comment
  HSC90172  Gilia tricolor Andrew Enberg, Brad Penkala, Dan Scofield 1990-3-31 24 Tehama Hwy. 36, 3 mi. E of Rd. A5 229 Comment
  JEPS85982  Gilia tricolor subsp. diffusa W. L. Jepson 1932-5-9 16439 Tehama ne Red Bluff; ne of Red Bluff 137 Comment
  JEPS86017  Gilia tricolor subsp. tricolor W. L. Jepson 1899-4-27 21070 Tehama hill country of Cottonwood hill country of the Cottonwood Comment
  CHSC87315  Githopsis specularioides Lowell Ahart 2004-4-29 10795 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
  JEPS11826  Githopsis specularioides W. L. Jepson 1932-5-9 16340 Tehama near Ely 213 Comment
  SEINET10464596  Githopsis specularioides A. Arthur Heller 1916-4-20 Heller 12327 Tehama 2 miles south of Red Bluff in low places in a grain field Comment
  CDA2104  Glyceria declinata L. Ahart, S. M. Hillaire 2004-7-9 11183 Tehama Seep on the north side of the Mill Creek Trail (4E10), north of Mill Creek, about 3/4 mile west of the Black Rock, Black Rock Campground, and Ponderosa Way (Forest Road 28N29), about 26 miles (air) east of Red Bluff. Comment
  CHSC68980  Glyceria elata Vernon Oswald; Lowell Ahart 1997-7-7 8701 Tehama Forest Route 35 aat Cedar Creek near the northeast corner of the Yolla Bolly-Middle Eel Wilderness. Along a streamlet. 1066 Comment
  CDA28227  Glyceria elata B. Stroup Tehama 0 Comment
  CHSC115537  Gnaphalium palustre Lowell Ahart; John Dites, Josephine Guardino, Steve Green. 2015-7-31 20406 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
  JEPS110284  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
  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
  CDA15433  Gratiola ebracteata G. F. Hrusa, J. Hart 1998-5-1 14437 Tehama Sacramento Valley; On ridge above Coyote Creek wash, Coyote Creek Conservation Area ~1 mi. W of Paskenta Rd. Comment
  CHSC59143  Gratiola ebracteata Vernon H. Oswald 1992-7-21 5133 Tehama Dry Lake on Viola-Mineral Rd. (Forest Rt. 17, Forest Rd. 31N17), 0.5 mi S of Forest Rd. 30N16 (to Hwy. 89), ca. 3.5 mi (air) NW of Mineral. 1798 Comment
  RSA14127  Gratiola ebracteata Elmer I. Applegate 1928-4-25 5385 Tehama Between Orland and Corning. Comment
  CAS-BOT-BC231136  Hackelia amethystina Alice Eastwood; John Thomas Howell 1941-7-9 9787 Tehama Government Flat Comment
  UC1010367  Hackelia amethystina Milo S. Baker and H. K. Wagnon 1953-7-12 12881 Tehama 6.1 mi from Whitlock Camp (along County road, west Tehama County) 1828 Comment
  RSA93061  Hackelia bella Milo S. Baker, H. K. Wagnon 1954-7-10 12994 Tehama 6.1 mi above Whitlock Camp. 1829 Comment
  CDA40624  Hackelia nervosa J. C. Carlton 1974-9-3 s.n. Tehama Lassen Volcanic National Park, Mineral. 0 Comment
  JEPS89012  Harmonia doris-nilesiae V. Parker 1991-6-24 51 Tehama rocky ridgetop above <s of> Middle Fork Beegum Creek (above Snake Lake on s side, Pony Buck East quad.); Shasta-Trinity National Forests, Yolla Bolly Ranger District Comment
  CHSC87322  Harmonia stebbinsii Lowell Ahart 2004-4-29 10804 Tehama About 1/4 mile north of an unnamed lake, along the Nomalaki Trail, about 1 mile by trail northwest of Dead Rabbit Lake, about 1 3/4 miles northwest of Bowers Creek, about 2 1/2 miles northwest of Forest Road 23N69 (Mud Flat Road), about 8 miles (air) southwest of Paskenta. 476 Comment
  CHSC90540  Harmonia stebbinsii D. Isle 2004-4-10 43 Tehama Mendocino National Forest--North Coast Ranges. Thomes Creek Watershed. W. off Nomlaki Trail, 132' w. of pond (GPS for pond=0523736E and 4410268N, GPS at HAST=0523800E 4410313N). 609 Comment
  CHSC46216  Hastingsia alba Pauleen Broyles 1986-6-18 965 Tehama Just inside Lassen National Forest, along Chico Creek. 1380 Comment
  CDA42844  Hedypnois cretica L. Ahart, John Dittes 2011-6-9 17462 Tehama On the north side of Acorn Hollow Creek, just east of Dry Creek confluence, 2.1 miles (air) east of Highway 99, 3.8 miles (air) north of Vina. Comment
  CHSC77534  Helenium puberulum Heidi West; Natalie Wight 1998-8-21 Tehama Vicinity of Red Bank Creek, Sunflower Gulch, and Dry Creek. 268 Comment
  JEPS4078  Helianthella californica subsp. nevadensis Milo S. Baker and H. K. Wagnon 1953-7-12 12849 Tehama county road 2 1/2 mi above Whittrock (camp in open forest) 1402 Comment
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Jul 29 2009
  CHSC78606  Helianthus annuus Julie Cunningham; Jenny Marr, Caroline Warren, Joyce Lacey 1998-4-20 Tehama Vicinity of Round Valley Road and Newville Road (Garland Road). 268 Comment
  CAS-BOT-BC305584  Helianthus bolanderi Alice Eastwood 1912-8-22 1799 Tehama Morgans Springs, Lassen Butte Region Comment
  CHSC80594  Helianthus bolanderi Vernon H. Oswald; Lowell Ahart 2001-6-5 10041 Tehama Raglin Ridge Rd 0.6 mi east of the North Fork of Elder Creek. 426 Comment
  JEPS101376  Helianthus bolanderi Dean W. Taylor 1997-7-10 16125 Tehama Red Bank Creek; ca. air 15 mi W Red Bluff 243 Comment
  JEPS89721  Helianthus bolanderi Dean W. Taylor 1992-6-18 12797 Tehama along Forest RD. 25N01 Valentine Ridge; Inner N. Coast Ranges, Valentine Ridge Comment
  CDA6536  Helianthus ciliaris Margaret Bellue Apr 1937 Tehama Tyler, 3 1/2 miles from Red Bluff. Near railroad tracks. 0 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
  CHSC105651  Heliotropium europaeum Lowell Ahart; John Dittes 2010-10-4 17281 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
  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
  JEPS104121  Heliotropium europaeum Lowell Ahart 2003-9-17 10583 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
  JEPS113153  Heliotropium europaeum Lowell Ahart 2007-5-8 13731 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
  UCD77753  Heliotropium europaeum Robert E. Preston 1997-5-29 1033 Tehama 1.25 mi sw of Coleman Fish Hatchery on Battle Creek. 137 Comment
  UCR58630  Heliotropium europaeum D. F. Howe 1963-8-8 s.n. Tehama Sacramento Valley, Along Route 99, 5.1 miles north of Corning 88 Comment
  SD113092  Heliotropium europaeum Darley F. Howe 1962-8-7 3414 Tehama 12.4 miles north of Corning, on Highway 99. 89 Comment
  UCD119461  Heliotropium europaeum Chandler Jensen 1958-9-11 115 Tehama Along US Hwy. 99E, southern city limits of Red Bluff. Comment
  JEPS94961  Hemizonella minima Vernon Oswald and Lowell Ahart 1997-6-10 8553 Tehama between Paskenta and Covelo on M2 (23N69) 0.9 mi w of its junction with M4, between Sugar Spring and Government Flat campgrounds Sugar Spring; on M2 (23N69) 1737 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
  CHSC102475  Hemizonia congesta subsp. clevelandii L. P. Janeway 2009-6-21 9811 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 Antelope Creek, near its head. 628 Comment
  JEPS75355  Hemizonia congesta subsp. clevelandii Todd and Virginia Keeler-Wolf 1975-8-10 Tehama 1 mi e Patton Mills; Yolla Bolly Mtns 975 Comment
  SEINET11844255  Hemizonia fitchii Unknown 1982-1 772 Tehama The Nature Conservancy Vina Plains Preserve 60 Comment
  CHSC43390  Herniaria hirsuta subsp. hirsuta Lowell Ahart 1978-5-23 1741 Tehama On the bottom of a vernal pool, in a grain field, north of Cone Grove Road, east of Red Bluff. 64 Comment
  SEINET11839695  Hesperevax caulescens R. A. Schlising 1976-1 3173 Tehama SE of Vina, along Keefer Road, ca 0.25 mi N of junction with Lassen Road & Rt. 99 Comment
  CHSC102316  Hesperocyparis macnabiana L. P. Janeway 2009-11-15 9963 Tehama High North Coast Ranges. Raglin Ridge, 0.3 km east of Pepperwood Spring, 1.3 km south of North Fork Elder Creek; along Raglin Ridge Road 7.1 km southwest of Ball Rock Road (Forest Road M22). 876 Comment
  CHSC80394  Hesperolinon micranthum Caroline Warren; Joyce Lacey-Rickert, Natalie Wight 1998-7-2 Tehama Vicinity of Grizzly Creek and Long Hollow. 274 Comment
  CHSC86558  Hesperolinon micranthum Jenny Marr; Heidi West, Joyce Lacey-Rickert 1998-5-21 Tehama Vicinity of South Fork Cottonwood Creek and Cooks Flat. 426 Comment
  HSC72220  Hesperolinon micranthum Thomas W. Nelson, Jane Nelson 1980-6-23 5867 Tehama Along Colyear Springs Rd. (FS Rd. 25N01), 1.6 mi. W of junction with Raglin Ridge Rd. (FS Rd. 25N05) 701 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-BC167466  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
  UCD169338  Hesperolinon tehamense Lowell Ahart 2004-6-30 11150 Tehama About 9 miles west of Paskenta, on the east side of Road M2. 883 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
  CHSC86828  Heteromeles arbutifolia Jenny Marr; Heidi West 1998-7-2 Tehama Vicinity of Red Bank Creek and Dry Creek. 274 Comment
  CHSC77538  Heterotheca oregona var. compacta Heidi West; Jenny Marr, Caroline Warren 1998-10-13 Tehama Vicinity of South Fork Cottonwood Creek and Dippingvat Flat. 310 Comment
  UCD159489  Heterotheca oregona var. rudis D. S. Park 2010-8-25 241 Tehama Field off Doyle Ranch Rd. Weedy, disturbed rangeland. Occupied by Centaurea solstitialis. Dry. 60 Comment
  UCD70096  Heterotheca oregona var. rudis D. Sanchez-Mata 1997-9-17 s.n. Tehama Red Bluff. Jellys Ferry Road. Gravelly and sandy places close to Sacramento River. 110 Comment
  CAS-BOT-BC420918  Heuchera micrantha var. diversifolia Elmer I. Applegate 1927-6-19 5758 Tehama about 8 miles west of Mineral. Comment
  JEPS89758  Hieracium greenei Glenn Clifton 1990-7-12 21830 Tehama 1 mi n of Pony Buck Peak (along ridgeline and on Trinity county line, North Coast Ranges); North Coast Ranges 1630 Comment
  JEPS102424  Hieracium nudicaule Lowell Ahart 2001-6-16 8851 Tehama On both sides of the dirt road, about 5 miles west of Highway 32, west of Soda Springs Campground, about 4 1/2 miles (air) west of Butte Meadows. 1112 Comment
  CHSC105926  Hieracium scouleri var. scouleri B. Castro; L. P. Janeway 1999-8-23 1034 H Tehama High North Coast Ranges. Yolla bolly Wilderness, on ridge along E side of Summit Trail, ca 0.7 mi N of jcn Tehama, Trinity, and Mendocino Co lines. 2065 Comment
  CHSC84315  Holcus lanatus Lowell Ahart; John Dittes 2003-6-11 10273 Tehama On the west side of Battle Creek, about 1 mile north of Manton Road, about 1 1/2 miles (air) northeast of the Colman Power House, about 5 miles (air) west-southwest of Darah Springs State Fish Hatchery, about 10 miles (air) east-northeast of Cottonwood. 153 Comment
  RSA739609  Holocarpha virgata John Dittes 2003-6-28 2003 -69 Tehama San Joanquin Valley, rolling foothills, ca. 13.3 air miles NNE of Livermore, 3.4 air miles SSW of Brentwood, 1.3 air miles SE of Marsh Creek Reservoir Gauging Station. 73 Comment
  JEPS95015  Holodiscus discolor Vernon Oswald and Lowell Ahart 1997-7-7 8670 Tehama 0.5 mi n of Tomhead Saddle (near the ne corner of Yolla Bolly Wilderness on FR 27N06); Yolla Bolly Wilderness 1676 Comment
  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
  UCD113390  Holodiscus discolor var. glabrescens John Thomas Howell 1960-8-19 36198 Tehama Summit ridge, Brokeoff Mountain. 2804 Comment
  SEINET10483357  Holodiscus microphyllus var. glabrescens Mary Susan Taylor 1977-8-17 Taylor 1479 Tehama Rocky mountain peak above Chaparral; abundant on N side of Old Humboldt Road above Jonesville, ca. 3 mi E of its junction with Scotts John Road, just a few feet N of Butte County border. 1829 Comment
  JEPS95703  Holozonia filipes Vernon H. Oswald and L. Ahart 1995-7-31 7165 Tehama T29N R1W SE1/4 NE1/4 Sec. 4, 1200 ft, Cascade Range Foothills, Blue Oak Woodland. At Morgan Creek crossing Lane Valley Rd. 1.0 mi SE of Manton Rd. (A6) 365 Comment
  CAS-BOT-BC284704  Hordeum jubatum John Thomas Howell 1960-8-20 36246 Tehama Near Lassen Volcanic National Park. Morgan 1463 Comment
  CDA15421  Hordeum marinum subsp. gussoneanum G. F. Hrusa, J. Hart 1998-5-1 14438 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
  CHSC64581  Hordeum murinum subsp. leporinum Vernon H. Oswald; Lowell Ahart 1995-4-3 6586 Tehama Cascade Range Foothills. Dales Lake Ecological Reserve. W side of Manton Rd. (A6) ca. 2 mi n of Dales Station on Hwy. 36, ca. 14 mi ne of Red Bluff. On slope between two intermittent streams converging on the w boundary of the s edge of the ridge crossing the nw corner of the reserve. 201 Comment
  JEPS113158  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
  CHSC48853  Horkelia fusca subsp. tenella Vernon Oswald 1984-7-16 1585 Tehama W end of Wilson Lake located ca. 8 mi e of Mineral. Meadow. 1609 Comment
  UC903244  Horkelia fusca subsp. tenella Mrs. H. P. Bracelin 1931-5-31 405 Tehama 12 mi w Red Bluff Comment
  SEINET10449892  Horkelia tridentata David B. Dunn 1971-8-15 Dunn 18172 Tehama 1.5 miles w of lassen park headquarters, yellow pine forest Comment
  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
  JEPS108715  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
  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
  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
  JEPS97356  Hydrocotyle ranunculoides Vernon H. Oswald and L. Ahart 1995-7-31 7163 Tehama 29N R1W NW1/4 Sec. 5, 1100 ft, Cascade Range Foothills, Blue Oak Woodland. Man-ton Rd. (A6) at Morgan Creek, 8.0 mi NE of Dales (on Hwy. 36), 0.3 mi W of Lane Valley Rd. (just W of the buildings at Long Ranch) 335 Comment
  CHSC56306  Hydrophyllum occidentale K. R. Stern 1986-5-21 8260 Tehama Deer Creek Meadows, 1 mi SE of jct hwys 32 and 36. 1402 Comment
  SBBG4754  Hypericum anagalloides H. and M. Dearing 1938-6-23 2112 Tehama near Deer Crk Comment
  SBBG25922  Hypericum formosum var. scouleri D. Myrick 1966-8-6 1458 Tehama South Yolla Bolly Mtn 2133 Comment
  CHSC80210  Hypericum perforatum L. P. Janeway 1999-6-19 6470 Tehama Cascade Range Foothills. Along Laynes Valley Road 4.5 km northwest of Hwy 36; about 3.5 km north-northeast of Inskip Hill. 479 Comment
  CHSC84317  Hypericum perforatum Lowell Ahart; John Dittes 2003-6-11 10277 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
  CHSC40521  Hypochaeris glabra Pauleen Broyles 1982-5-12 571 Tehama The Nature Conservancy Vina Plains Preserve. Near irrigation ditch. 60 Comment
  CHSC65670  Idahoa scapigera Vernon H. Oswald; Lowell Ahart 1996-3-6 7224 Tehama Cascade Range Foothills. Hog Lake Plateau. Near the Jeep Trail running along the N side of a ridge, ca. 1.5 mi WSW of the parking lot at Hog Lake Plateau. 237 Comment
  JEPS97444  Idahoa scapigera Vernon H. Oswald and L. Ahart 1995-3-6 6505 Tehama Dales Lake Ecological Reserve. T29N R2W NE1/4 NW1/4 Sec. 26, 720 ft, Cascade Range Foothills, stony Tuscan Loam over hardpan. W side of Manton Rd. (A6) ca. 1 mi n of Dales Station on Hwy. 36, ca. 14 mi ne of Red Bluff 219 Comment
  CAS-BOT-BC274066  Imperata brevifolia J. D. Jokerst; H. Wurlitzer 1984-3-18 1943 Tehama South exposure, area identified as spring on USGS topographic maps, T24N, R1E, SE1/4 of NW1/4 Section 35 304 Comment
  UC117134  Iris hartwegii Mrs. R. M. Austin Jun 1883 291 Tehama Comment
  UCD39172  Isatis tinctoria Beecher Crampton 1953-5-1 1204 Tehama U.S. Hwy 99, 5 miles N. of Red Bluff. Comment
  CAS-BOT-BC69941  Isoetes howellii Doris Kildale Gillespie 1930-5-14 9359 Tehama 10 mi. e. of Red Bluff on Susanville Road. Comment
  SEINET11718944  Isoetes howellii Unknown 1982-1 641 Tehama Vina Plains Preserve, ca 30 m S of Lassen Road in W pasture 66 Comment
  CHSC65922  Isoetes orcuttii Vernon H. Oswald; Lowell Ahart 1996-4-15 7369 Tehama Thomes Creek Ecological Reserve. CDFG parcel on the S side of Gyle Rd. NW of Corning, on the northwest side of the Sacramento Valley. 106 Comment
  JEPS97374  Isoetes orcuttii Vernon H. Oswald and Lowell Ahart 1995-4-17 6667 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
  CHSC40821  Juncus acuminatus Pauleen Broyles 1982-5-10 569 Tehama The Nature Conservancy Vina Plains Preserve. Irrigation ditch NW of barn in s pasture. 66 Comment
  CHSC55298  Juncus acuminatus L. P. Janeway 1991-6-15 4016 Tehama Battle Creek Wildlife Area. Along water ditch ca 600 ft south of Battle Creek; ca 1 1/2 mi east of the Sacramento River. Comment
  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
  CHSC112025  Juncus bolanderi David Toren; Carl Furrer 2002-9-3 2014 Tehama Mendocino National Forest. Poison Glade, ~1-1/8 mile SW of Log Springs Station in SW corner of county. Accessed by Rd 23N53. 1231 Comment
  CHSC44296  Juncus bufonius var. congestus V. Oswald; L. Ahart 1988-5-21 3334 Tehama Thomes Creek ca. 1 mi e of Paskenta. 219 Comment
  CHSC96539  Juncus bufonius var. congestus Lowell Ahart 2007-5-8 13746 A 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
  CHSC94389  Juncus bufonius var. occidentalis Lowell Ahart 2006-7-19 13015 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
  JEPS91278  Juncus capitatus Dean W. Taylor 1991-4-26 11630 Tehama ca. 5 miles E of Highway 99 east of Red Bluff on Hogback Road, vernal pools on summit of volcanic table mountain 289 Comment
  CHSC40824  Juncus dubius Pauleen Broyles 1982-7-7 793 Tehama The Nature Conservancy Vina Plains Preserve. Irrigation ditch nw of barn. 66 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
  CHSC60457  Juncus ensifolius Mary Ann Showers 1992-6-28 2656 Tehama Lassen Volcanic National Park. Pond below Windy Point, west of Mill Creek. 1950 Comment
  CHSC76861  Juncus ensifolius L. P. Janeway; B. Castro 1999-8-22 6530 Tehama High North Coast Ranges. Seep above the road between Government Flat and Wells Cabin Campground, about 0.4 mi southwest of Government Flat and 1.0 mi northeast of Anthony Peak. 1841 Comment
  UC569474  Juncus ensifolius H. S. Yates 1936-8-12 6093 Tehama near Mineral Summit; Paynes Creek Quad. 1463 Comment
  RSA66653  Juncus ensifolius Phillip A. Munz 1951-7-27 16970 Tehama South base of South Yolla Bolly Mountains. 2073 Comment
  SEINET10720382  Juncus exiguus Peter F. Zika 2012-7-14 Zika 25976 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 Highlinads (NCoRH). 1665 Comment
  CHSC117155  Juncus howellii Lowell Ahart; John Dittes 2016-6-22 21030 Tehama About 30 yards south of the fish ladder on Deer Creek, about 0.9 mile (air) northeast of USFS Road 27N08 Bridge over Deer Creek, about 2 miles by trail to Highway 32. 883 Comment
  JEPS110279  Juncus howellii Lowell Ahart 2006-7-19 13016 Tehama 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
  JEPS127234  Juncus howellii Lowell Ahart, John Dittes 2016-6-22 21030 Tehama About 0.9 mile (air) northeast of USFS Road 27N08 Bridge over Deer Creek, about 2 miles by trail to Highway 32. 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
  CHSC102647  Juncus laccatus Lowell Ahart; John Dittes, Josephine Guardino 2009-8-27 16339 Tehama On the west 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
  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
  CAS-BOT-BC110132  Juncus leiospermus var. leiospermus Lowell Ahart 1979-4-25 s.n. Tehama 15.5 miles north of Red Bluff. 280 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
  JEPS75799  Juncus mertensianus Todd and Virginia Keeler-Wolf 1973-7-16 503 Tehama Long Lake Yolla Bolly Mountains 2164 Comment
  CHSC60459  Juncus nevadensis Mary Ann Showers 1992-6-27 2654 Tehama Lassen Volcanic National Park. Pond below Windy Point, west of Mill Creek. 1950 Comment
  CDA34186  Juncus orthophyllus L. Ahart, J. Dittes 2010-7-17 16885 Tehama On the north side of Ponderosa Way, about 1,910 feet south of Bluff Springs, 4.1 miles (air) southeast of Manton, 2.8 miles (air) north of Highway 36. Comment
  JEPS117668  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
  JEPS91253  Juncus orthophyllus Dean Wm. Taylor with Glenn Clifton 1992-8-22 13195 Tehama Lassen Volcanic National Park, Mt. Conard, east slope in the head of unnamed creek draining to Spencer Meadow, near the Plumas County line 2392 Comment
  UC54231  Juncus orthophyllus H. M. Hall and E. B. Babcock Jul 1 1903-Jul 2 1903 4349 Tehama near Morgan; Mount Lassen 1524 Comment
  HSC93664  Juncus tenuis G. Fred Hrusa, J. Hart 1998-5-10 14434 Tehama Edge of Coyote Creek wash, Coyote Creek Conservation Area, 0.25 mi. W of Paskenta Rd. 80 Comment
  UCD142363  Juncus tenuis John Thomas Howell 1960-8-20 36224 Tehama Morgan, Lassen Volcanic National Park. 1463 Comment
  CHSC64568  Juncus uncialis Vernon H. Oswald; Lowell Ahart 1995-4-3 6564 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. Depression along the unimproved road and the airstrip sw of the Old Hwy. Pool. 216 Comment
  JEPS96111  Juncus uncialis Vernon H. Oswald and Lowell Ahart 1996-4-3 7296 Tehama CDFG parcel on s side of Gyle Rd. Sacramento Valley, Thomes Creek Ecological Reserve (nw side of Valley, nw of Corning, n side of floodplain of intermittent stream ca 0.4 mi e of dirt lan along w side of parcel) 103 Comment
  SBBG122903  Juncus usitatus B. Ertter 2003-7-20 18254 Tehama Wild Cat Rd between Manton Rd and Battle Crk, NE of Red Bluff 326 Comment
  CHSC102327  Juniperus californica L. P. Janeway; B. Castro 2009-4-25 9751 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
  CHSC78052  Juniperus californica Alexsis Davie; K. Schierenbeck 1999-5-7 50 Tehama Dye Creek Preserve, off of Hwy 99. 106 Comment
  UCR164306  Juniperus californica Maile Neel 2000-4-29 H- 2 Tehama Hwy 36 along Paynes Creek at Palmer Gulch, 2.5 miles west of Dales (intersection of Manton Rd., A6), 1.5 miles east of the Bureau of Land Management Hog Lake Plateau vernal pools, c. 9 miles east of Hwys 36 and 99 intersection 300 Comment
  UCSB63828  Juniperus californica Vasek, F. 1964-8-6 Tehama 5.8 mi. east of Dales Center on highway 36 Comment
  UC2031399  Keckiella corymbosa Barbara Ertter with Brad Olson 1991-7-4 10201 Tehama Toomes Camp Rd (Mendocino FR 23N01) 7.0 mi W of Paskenta, ca. 23 air miles W of Corning Comment
  JEPS106177  Keckiella lemmonii Lowell Ahart 2004-6-11 11029 Tehama On S side of Thomes Creek, W of the end of the Nomalaki Trail, ca. 1/2 mi N of Dead Rabbit Lake, ca. 2 mi NW of Bowers Creek, ca. 2 3/4 mi NW of Forest Rd 23N69 (Mud Flat Rd), ca. 8 mi (air) SW of Paskenta 338 Comment
  UC728682  Keckiella lemmonii Milo S. Baker 1943-8-8 10643 Tehama 0.25 mi e Government Flat (near highway) Comment
  JEPS103613  Koeleria phleoides Lowell Ahart 2002-4-27 9555 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
  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
  CHSC115805  Lactuca serriola Lowell Ahart; John Dittes 2015-8-5 20430 Tehama East side of Childs Meadow, 150 yards west of Highway 36, 0.69 air-miles northwest of intersection of State Highway 36 and Wilson Lake Road (County Road 769), 1.2 air-miles east of Doe Mt., 9.77 air-miles south of Lassen Peak. 1498 Comment
  CHSC117622  Lactuca serriola Lowell Ahart; John Dittes, Josephine Guardino 2016-9-21 21371 Tehama On the north side of a poor dirt road,about 10 yards east of Highway 89, a little south of Bluff Falls, about 1 mile south of Lassen Volcanic National Park, about 2 1/2 miles (air) north of Morgan Mountain. 1963 Comment
  CHSC40524  Lagophylla glandulosa Pauleen Broyles 1982-6-24 764 Tehama The Nature Conservancy Vina Plains Preserve. Just e of irrigation ditch. 66 Comment
  UC2027203  Lagophylla glandulosa Anthony Baniaga 2011-6-12 342 Tehama CDFG: Tehama State Wildlife Area. Roadside area along Plum Creek Road (202). Quadrangle Comment
  JEPS19949  Lagophylla glandulosa R. F. Hoover 1940-9-22 4616 Tehama ne of Red Bluff Comment
  RSA151743  Lagophylla glandulosa R. C. Bacigalupi, G. Bacigalupi, J. R. Sweeney 1953-8-29 4339 Tehama Rolling plain on floor of the Sacramento Valley, 1.5 miles east of Corning, on road to Vina 91 Comment
  UC1619983  Lagophylla minor Barbara Ertter 1991-5-18 9839 Tehama Rosewood Ranch on Salt Creek 17 air mi wnw of Red Bluff (1/2 mi s of Hwy 36, s of pasture); Salt Creek, Rosewood Ranch 243 Comment
  JEPS3546  Lagophylla minor Milo S. Baker and H. K. Wagnon 1953-5-31 12695 Tehama 8.5 mi w Paskenta (logging road) 548 Comment
  CHSC59190  Landoltia punctata Vernon H. Oswald 1992-9-9 5202 Tehama Ca. 0.4 mi upstream along the drainage crossing Mill Creek Falls Trail at its mid (mostly southerly) point, on the S side of Diamond Peak and Lassen Hwy. Along the edge of a streamlet. 2042 Comment
  CHSC27830  Lasthenia californica Eric J. Miller 1978-4-24 10 Tehama At edge of vernal pools, ca. 1 km w of Sacramento River at Woodson Bridge. 28 Comment
  SEINET9294859  Lasthenia californica Unknown 1988-4-20 302 Tehama Near Corning, along rd 9 in pasture, 11.1 km W of hwy 5 and rd 9, on N side of the rd. Comment
  JEPS10059  Lasthenia fremontii R. F. Hoover 1937-5-19 2251 Tehama near Vina Comment
  CHSC45031  Lasthenia glaberrima Pauleen Broyles 1988-4-6 1102 Tehama The Nature Conservancy Vina Plains Preserve. In Lassen Pasture. Comment
  JEPS88501  Lasthenia glaberrima Vernon H. Oswald and Lowell Ahart 1996-4-15 7375 Tehama CDFG parcel on s side of Gyle Rd. nw Corning (on drying edge of deep pool along the pipline ca. 0.3 mi n of s boundary, nw side of Valley); Sacramento Valley, Thomes Creek Ecological Reserve 102 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
  CHSC40570  Lasthenia platycarpha Pauleen Broyles 1983-3-25 873 Tehama The Nature Conservancy Vina Plains Preserve. Swale w of a vernal pool. 60 Comment
  UCD80082  Lasthenia platycarpha CNPS SN Foothill Team 2005-5-17 SNFN 0169 a Tehama TNC Dye Creek Preserve, NE of the intersection of Hog Gulch Road and the diversion canal. 95 Comment
  CAS-BOT-BC370791  Lasthenia platycarpha A. A. Heller 1918-4-21 12996 Tehama along the State Highway 7 miles south of Corning. Comment
  CAS-BOT-BC370797  Lasthenia platycarpha John H. Thomas 1884-5-1 s.n. Tehama Red Bluff Comment
  RSA64946  Lathyrus jepsonii subsp. californicus C. L. Hitchcock 1949-6-8 19089 Tehama 1/4 mile W of bridge over S. Fork Trinity River near Highway 299 near Salyer. Comment
  UCD35954  Lathyrus sulphureus Beecher Crampton 1953-4-30 1185 Tehama Tehama County.: NW part of county, 10 miles east of Beegum. Comment
  CHSC27527  Layia fremontii Greg C. Halcomb 1978-4-5 8 Tehama Roadside, intersection of Lassen Rd. and Lenninger Rd.; 1/2 mi n on Lenninger Rd. and 14.9 mi n of legal Chico city limits. 68 Comment
  CHSC40573  Layia fremontii Pauleen Broyles 1982-4-8 373 Tehama The Nature Conservancy Vina Plains Preserve. On uplands and bordering wallows. Comment
  JEPS13430  Layia fremontii R. F. Hoover 1937-5-19 2248 Tehama near Vina Comment
  RSA714823  Layia fremontii Daisie Huang 2006-4-15 06041506 Tehama Manton Rd. 204 Comment
  HSC85766  Layia fremontii R. Earing, C. Cavanaugh, C. Collins 1987-3-28 31 Tehama 10 mi. E of Red Bluff. Rte. 36, mile marker 51 Comment
  HSC90090  Layia fremontii Amy Austin, Tony LaBanca, Noreen McClintock 1990-3-31 27 Tehama On Hwy. 36, 4 mi. W of Manton Rd. 274 Comment
  JEPS81100  Layia fremontii J. L. Heywood and D. H. Norris 1968-3-31 1851 Tehama 56 mi e Shasta County line (Calif. Hwy. 36, along road in open Oak Parkland) Comment
  POM255840  Ledum glandulosum Marion Ownbey, Ruth P. Ownbey, Findley Ownbey 1938-7-16 1745 Tehama 7 miles north of Mineral on Viola Road. Comment
  JEPS104072  Leersia oryzoides Lowell Ahart 2003-9-17 10607 Tehama On the south side 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
  JEPS116017  Lemna minuta Lowell Ahart, John Dittes, Josephine Guardino 2009-8-27 16341 Tehama In a small seep (spring), west side of pond, on the east side of Forest Service Road 29N25A, Childs Meadows, about 2600 ft south of the intersection of Highway 36 (89) and Forest Service Road 29N25A, 2.3 miles (air) northeast of the town of Mill Creek, 9 1493 Comment
  UC1777679  Leontodon saxatilis subsp. longirostris Lee Smith, Bill Richardson 1976-8-25 s.n. Tehama Comment
  CHSC117171  Lepidium campestre Lowell Ahart; John Dittes 2016-6-22 21035 Tehama About 30 yards south of the fish ladder on Deer Creek, about 0.9 mile (air) northeast of USFS Road 27N08 Bridge over Deer Creek, about 2 miles by trail to Highway 32. 911 Comment
  CHSC77756  Lepidium chalepense B. Castro; L. P. Janeway 1999-5-12 935 Tehama About 21 air miles NW of Orland, vicinity of Newville. Near bank of N Fork Stony Ck. 195 Comment
  JEPS53723  Lepidium strictum Virginia Bailey 1938-4-16 Tehama 6 mi w Paskenta (on Paskenta-Covelo road) Comment
  CHSC34408  Leptosiphon bicolor Steven Azevedo 1980-4-2 12 Tehama 1 mi. nw of Paskenta, 1/2 mi. sw of road along edge of reservoir. Pasture. 304 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
  CHSC53971  Leptosiphon bolanderi Vernon H. Oswald 1991-4-30 4539 Tehama Hwy 36, 1.0 mile east of Paynes Creek. Roadside outcrop. 627 Comment
  CHSC65673  Leptosiphon bolanderi Vernon H. Oswald; Lowell Ahart 1996-3-18 7232 Tehama Cascade Range Foothills. Hog Lake Plateau. BLM parcel. Bluffs overlooking the Sacramento River ca. 1.25 mi downstream from the mouth of Paynes Creek. 182 Comment
  CHSC80557  Leptosiphon bolanderi Vernon H. Oswald; Lowell Ahart 2001-5-7 10011 Tehama Forest Road 26N15 4.9 mi west of Hwy 32, between Soda Springs and Cohasset Ridge. 1072 Comment
  RSA93380  Leptosiphon bolanderi M. S. Baker, H. K. Wagnon 1953-5-30 12540 Tehama Logging road west of Paskenta in burned area near 5 mi post Comment
  CHSC115809  Leptosiphon harknessii Lowell Ahart; John Dittes 2015-8-5 20464 Tehama Poor logging road east side of Childs Meadow, 150 yards west of Highway 36, 0.69 air-miles northwest of intersection of State Highway 36 and Wilson Lake Road (County Road 769), 1.2 air-miles east of Doe Mt., 9.77 air-miles south of Lassen Peak. 1498 Comment
  CAS-BOT-BC226738  Leptosiphon latisectus Milo S. Baker 1953-5-10 12616 Tehama W of Paskenta bet. 9 to 10 mi post Comment
  CHSC79793  Leptosiphon parviflorus A. Hove; A. Poteet, C. Sanville 1999-4-17 14 Tehama Hwy 36 Beegum Gorge. 429 Comment
  CAS-BOT-BC225664  Leptosiphon rattanii Alice Eastwood; John Thomas Howell 1941-7-9 9724 Tehama Log Spring Ridge between Log Spring and Govermnet Flat Comment
  CHSC79136  Lesquerella occidentalis subsp. occidentalis L. P. Janeway 2000-6-29 6848 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
  CHSC40576  Lessingia nana Pauleen Broyles 1982-7-14 925 Tehama The Nature Conservancy Vina Plains Preserve. 70 Comment
  CHSC66840  Lessingia nana Vernon H. Oswald 1996-8-22 8241 Tehama Northwest side of Sacramento Valley. Thomes Creek Ecological Reserve. CDFG parcel on the S side of Gyle Rd., NW of Corning. On the south bank of the creek ca. 0.3 mi east of the west boundary. 103 Comment
  JEPS20595  Lessingia nana W. L. Jepson 1927-6-25 12347 Tehama Pine Creek Road sta. 60 Comment
  CAS-BOT-BC341755  Lessingia nana David D. Keck 1932-7-7 1723 Tehama Red Bluff, at south city limits 95 Comment
  JEPS59022  Lessingia nemaclada John Thomas Howell 1960-7-24 35997 Tehama 8 mi w Mineral 1219 Comment
  RSA795523  Lessingia nemaclada L. P. Janeway 2010-9-12 10213 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
  SEINET10846152  Lessingia nemaclada David B. Dunn 1971-8-15 Dunn 18179 Tehama 22 mi. E of jct. of Hwy. 36 & Hwy. 99 on 36 in Digger pine and yellow pine; road to Lassen National Park. Comment
  UCD134094  Lessingia nemaclada Dean W. Taylor 1976-7-7 6032 Tehama Highway 32 in canyon of Deer Creek near Alder Creek campground approximately 7.8 miles west from junction with Highway 89. 1173 Comment
  UCSB25962  Lessingia nemaclada Wilken, Dieter; Haller, John; Langford, A. 1968-9-10 Tehama Howell Saddle, 23.8 miles northwest of Paskenta Yolla Bolly Mtns. 1889 Comment
  JEPS96009  Lessingia virgata Vernon H. Oswald and Lowell Ahart 1996-7-8 7986 Tehama BLM parcel along Hwy 36 ne Red Bluff (on s side of gravel road 1.4 mi w of parking lot on Hwy 36 (0.4 mi w of the power line crossing the gravel road)); Cascade Range Foothills, Hog Lake Plateau 249 Comment
  UCD80085  Lessingia virgata CNPS SN Foothill Team 2005-5-17 SNNR 0195 b Tehama TNC Dye Creek Preserve. 235 Comment
  JEPS123927  Leucanthemum vulgare Lowell Ahart, John Dittes 2015-8-6 20498 Tehama West side of Childs Meadow, 0.67 air miles west of intersection of State Highway 36 and Wilson Lake Road (County Road 769), 1.21 air miles southeast of Doe Mt., 10.41 air miles south of Lassen Peak. Comment
  UCD113877  Leucanthemum vulgare Ellen Dean; M. Starbuck, DHS Madrigals 2010-8-29 6870 Tehama Western edge of Lake Almanor off Hwy 89. 1371 Comment
  UCD112028  Lewisia rediviva Christopher Mallek 2008-1 s.n. Tehama Raglin Ridge. 927 Comment
  UC923145  Ligusticum grayi Freed W. Hoffman 1950-7-5 3259 Tehama trail to Yolla Bolly Summit (N. Yolla Bolly) from White Rock Guard Station (near Trinity-Tehama Co. boundary) 1828 Comment
  SBBG1034  Lilium pardalinum subsp. pardalinum H. and M. Dearing 1938-6-21 2064 Tehama Potato Patch Public Camp, Deer Crk 1080 Comment
  UC1594667  Limnanthes alba subsp. alba Vernon H. Oswald and Lowell Ahart 1992-4-21 4920 Tehama road to Antelope Creek Campground 0.5 mi s Hogsback Rd. (Forest Rd. 28N24) (ca 0.75 air mi sw of Finley Lake, ca 6 air mi sse of Paynes Creek) 822 Comment
  CHSC81526  Limnanthes douglasii subsp. nivea D. Tellefson 2000-4-11 Tehama Hog Lake Plateau, off Hwy 36, north of Red Bluff. Edge of Hog Lake. 250 Comment
  CHSC88546  Limnanthes douglasii subsp. nivea Jenny Marr; Heidi West, Natalie Wight 1999-4-29 Tehama Vicinity of Red Bank Creek, Dry Creek, and Grizzly Creek. 259 Comment
  JEPS113125  Limnanthes douglasii subsp. rosea Lowell Ahart, John Dittes, Josephine Guardino 2007-4-3 13607 Tehama E of the poor dirt road, on the N side of a large vernal pool, about 4 1/2 mi (air) NE of the intersection of Hwy 99 East and Vina Road, about 6 1/2 mi (air) SE of Los Molinos. 131 Comment
  SD60212  Limnanthes douglasii var. rosea A. A. Heller 1926-4-10 13914 Tehama Along the Pacific Highway [now Hwy 99] southeast of Vina. Comment
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Jul 16 2009
  CHSC105942  Limosella acaulis Lowell Ahart; John Dittes 2010-7-17 16844 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
  UC556439  Linanthus bolanderi Rimo Bacigalupi 1934-5-29 2409 Tehama on road from Paskenta to Covelo (at very foot of Paskenta grade, in w Tehama County) Comment
  CHSC65658  Linanthus dichotomus Shaun E. Sims 1995-4-22 17 Tehama Ca. 3 mi se Eagle Peak. 320 Comment
  HSC95759  Linanthus dichotomus A. Hove, A. Poteet, C. Sanville 1999-4-17 22 Tehama Hwy. 36 Comment
  JEPS22641  Linanthus filipes Rimo Bacigalupi with Drs. Herbert and Lucille Mason Apr 22 1958-Apr 23 1958 6295 Tehama about 2 mi w Kirkwood (and about 0.5 mi w of U.S. Highway 99, about 7 mi s of Corning, lower portions of the Kirkwood Plains) 73 Comment
  UC54534  Linanthus harknessii H. M. Hall and E. B. Babcock Jul 1 1903-Jul 2 1903 4370 Tehama near Morgan; Mount Lassen, Mill Creek Canyon 1524 Comment
  UC703135  Linanthus harknessii Alice Eastwood and John Thomas Howell 1941-7-9 9796 Tehama Government Flat Comment
  UC903184  Linanthus parviflorus Ethel Crum 1932-5-9 1438 Tehama near Elder Creek; North Coast Ranges, Lowrey 304 Comment
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Jul 30 2009
  UCD118734  Linanthus pungens Dean W. Taylor 1976-7-9 6039 Tehama At headwaters of Cub Creek. 1859 Comment
  UCD123908  Linaria vulgaris T. C. Fuller 1968-9-17 17614 Tehama opposite the west end of the school yard, Scenic Ave., Mineral. Comment
  RSA123550  Linum lewisii Milo S. Baker, Douglas Barbe 1955-7-16 195 Tehama On the east ridge leading to the summit of South Yolla Bolly Mtn. (Mt. Linn). 2348 Comment
  JEPS104236  Lipocarpha micrantha Lowell Ahart 2003-9-17 10602 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
  UC2042790  Lithophragma campanulatum Barbara Ertter with Brad Olson 1991-7-6 10377 Tehama Rocky Cabin meadow ca 1 mi S of Ball Rock, 1 mi SE of Cold Spring Forest Station, ca. 30 air miles W of Corning. Comment
  CHSC75303  Lithophragma parviflorum var. parviflorum Vernon Oswald; Lowell 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. 609 Comment
  CHSC66128  Lolium multiflorum Vernon H. Oswald; Lowell Ahart 1996-4-29 7475 Tehama Northwest side of Sacramento Valley. Thomes Creek Ecological Reserve. CDFG parcel on the S side of Gyle Rd. NW of Corning. On the bank of the intermittent stream near the W boundary. 103 Comment
  OBI8943  Lomatium caruifolium Virginia Bailey 1938-4-16 s.n. Tehama 6 mi W of Paskenta, along Paskenta-Covelo rd Comment
  CHSC65394  Lomatium caruifolium var. denticulatum Vernon Oswald 1986-3-6 1049 Tehama Black Butte Rd. 2.0 mi n of Newville Rd. (or Black Butte Rd. East and West). 152 Comment
  UC698027  Lomatium caruifolium var. denticulatum J. F. Gates Clarke 1944-4-7 Tehama W side of US Hwy 99, 1.75 mi S of the northern boundary of Tehama Co. Comment
  UC650730  Lomatium ciliolatum var. ciliolatum W. L. Jepson 1897-7-24 14319 Tehama Soldier's Ridge near summit South Yollo Bolley; , Soldier's Ridge 2133 Comment
  JEPS89915  Lomatium dasycarpum Dean W. Taylor 1987-4-27 8939 Tehama dry creek bed equidistant between Del Monte Dr. & Baywood Dr. Tehama Co. (reached via Bowman Rd.); Upper Sacramento Valley 161 Comment
  UC923153  Lomatium macrocarpum Freed W. Hoffman 1950-7-1 3269 Tehama the Ovenlid, a sandstone, round-topped outcrop w. Tehama Co. 1828 Comment
  RSA90527  Lomatium marginatum Milo S. Baker 1937-5-15 8653 Tehama Highway 36, a few miles NE of Red Bluff on old road Comment
  JEPS116642  Lomatium marginatum var. purpureum L. P. Janeway, B. Castro 2009-4-25 9734 Tehama Tehama Wildlife Area Dewitt Peak (along the Powerline Road neat the Shaw Creek Bridge over an un-named northeast Fork of Shaw Creek); Cascade Range Foothills 518 Comment
  CHSC42633  Lomatium utriculatum Vernon Oswald 1984-4-11 1144 Tehama Round Valley Rd. (also M4 or 23N02) 5.2 mi w of Newville Rd. (2.5 mi w of Mendocino National Forest boundary). 426 Comment
  CHSC64687  Lomatium utriculatum Vernon H. Oswald 1995-5-22 6754 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. Growing in a grassy spot between Manton Rd. and the fence at the corner of the reserve. 225 Comment
  CHSC79643  Lomatium utriculatum L. P. Janeway; B. Castro 2000-4-21 6675 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
  CHSC80628  Lonicera interrupta Lowell Ahart 2001-6-8 8768 Tehama Burned area on the west side of road M2, about 9 miles west of Paskenta. 792 Comment
  CDA16177  Lotus humistratus G. F. Hrusa, J. Hart 1999-4-29 15030 Tehama Sacramento Valley; Coyote Creek Conservation Area, S of Red Bluff. 152 Comment
  JEPS88310  Lotus micranthus Vernon H. Oswald and Lowell Ahart 1996-5-20 7603 Tehama n.e. Red Bluff (BLM parcel along Hwy. 36, flood channel along Paynes Creek, Hog Lake Plateau); Cascade Range Foothills, Hog Lake Plateau, Paynes Creek 158 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
  JEPS115514  Lotus purshianus var. purshianus Lowell Ahart, John Dittes, Josephine Guardino 2009-8-27 16314 Tehama On the east side of Forest Service Road 29N25A, Childs Meadows, about 2,600 feet south of the intersection of Highway 36 (89) and Forest Service Road 29N25A, 2.3 miles (air) northeast of the town of Mill Creek, 9.1 miles (air) south of Lassen Peak 1493 Comment
  HSC74965  Lotus unifoliolatus var. unifoliolatus J. P. Smith, Thomas W. Nelson 1979-6-24 10184 Tehama Rd. to Stuart Gap, 0.8 mi. from Tedoc Gap. 1372 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
  JEPS16143  Lupinus affinis Rimo Bacigalupi, Arthur Holmgren 1950-4-24 3128 Tehama field along road to Paskenta 3 1/2 mi nw Newville (western Tehama County); nw of Newville Comment
  SEINET10543992  Lupinus albicaulis subsp. purpurascens Jeffrey Huber 1971-6-10 Huber 280 Tehama 18 miles e of red bluff on cal hwy 36; in live oak, pinus ponderosa, and digger Pine. Ne slope ca 2 degrees, rocky soil 549 Comment
  SD64417  Lupinus albifrons var. albifrons Darley F. Howe 1966-6-11 Tehama Ridge between Mendocino & Tehama Cos., 6 miles south of Government Flat. 1615 Comment
  CDA27369  Lupinus albifrons var. collinus L. Ahart, Vernon Oswald 2001-5-7 10008 Tehama Forest Road 26N15 4.9 miles west of Highway 32, between Soda Springs and Cohasset Ridge. Comment
  CHSC80548  Lupinus albifrons var. collinus Vernon H. Oswald; Lowell Ahart 2001-5-7 10008 Tehama Forest Road 26N15 4.9 mi west of Hwy 32, between Soda Springs and Cohasset Ridge. 1072 Comment
  SEINET5558510  Lupinus arbustus H. S. Gentry, S. Koch 1962-1 19780 Tehama 22 mi. south of junction of Routes 32 and 89. 1066 Comment
  JEPS64989  Lupinus bicolor W. L. Jepson 1899-4-25 3 t Tehama Stiver's Ranch Crane Creek Hills, Stiver's Ranch 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
  CHSC118202  Lupinus bicolor Tim Kask 2016-4-1 257 Tehama Antelope Cr. drainage, McClure trail approx. .5 mi. from top. 10T 0598851/4458647 Comment
  HSC31596  Lupinus confertus Thomas E. Higley 1974-5-5 87 Tehama 21 mi. E of Trinity Co. Line on Hwy. 36 305 Comment
  CHSC90421  Lupinus latifolius Niall McCarten; Roxanne Bittman 1986-6-16 5421 Tehama Mendocino National Forest--North Coast Ranges. Thomes Creek Watershed. NE side Rd. 25N01. 1524 Comment
  RSA158046  Lupinus latifolius subsp. longipes J. M. Tucker 1959-7-19 3575 Tehama Upper (south) side of South Yolla Bolly Mountain. 2119 Comment
  CHSC90449  Lupinus latifolius var. columbianus Niall McCarten; Roxanne Bittman 1986-6-14 5398 Tehama Mendocino National Forest--North Coast Ranges. Thomes Creek Watershed. No. side Rd. 25N26. 1402 Comment
  CHSC76832  Lupinus lepidus var. lobbii L. P. Janeway; B. Castro 1999-8-23 6537 Tehama High North Coast Ranges. Along Summit Trail between Green Springs Trailhead and Hammerhorn Mountain. 1996 Comment
  JEPS76678  Lupinus lepidus var. sellulus L. R. Heckard 1972-6-17 2952 Tehama E slope of Beegum Mt. Comment
  CDA27502  Lupinus microcarpus var. densiflorus G. D. Barbe 1985-4-5 427 Tehama Reed Creek, west of Red Bluff. Comment
  JEPS87205  Lupinus microcarpus var. microcarpus Rhonda Riggins 1989-4-28 1682 Tehama 5.8 mi n Hwy 36 nw Red Bluff (roadside bank along McCoy Road 1.7 mi s jct with Hooker Creek Road); nw of Red Bluff, s jct with Hooker Creek Road 152 Comment
  UCD21111  Lupinus nanus Vernal Pool Team 2002; Carol Witham and Jennifer Buck 2002-4-23 287 Tehama Inks Creek Ranch site. Comment
  RSA0036476  Lupinus nanus subsp. nanus Daisie Huang 2006-4-15 06041551 Tehama Roadside of Hwy. 36. 267 Comment
  CHSC40828  Lupinus nanus var. apricus Pauleen Broyles 1983-3-25 863 Tehama The Naure Conservancy Vina Plains Preserve. On rise to e of large vernal pool in central pasture. 66 Comment
  RSA276279  Lupinus nanus var. apricus Lyman D. Benson 1929-3-26 1054 Tehama Corning Comment
  CHSC108071  Lupinus obtusilobus B. Castro; L. P. Janeway 2000-6-11 1292 Tehama High North Coast Ranges. SW-facing slope alongside Raglin Ridge Rd, on the top of Raglin Ridge. 1615 Comment
  JEPS11640  Lupinus obtusilobus Milo S. Baker and Douglas Barbe 1955-7-16 200 Tehama on the e ridge leading to the summit South Yolla Bolly ((Mt. Linn)); summit South Yolla Bolly (Mt. Linn) 2316 Comment
  JEPS88417  Lupinus pachylobus Vernon H. Oswald and Lowell Ahart 1996-4-8 7327 Tehama BLM parcel along Hwy 36 ne of Red Bluff (e side of Paynes Creek n of its mouth on the Sacramento River, Cascade Range Foothills); Hog Lake Plateau, Cascade Range Foothills, Paynes Creek 106 Comment
  HSC89692  Lupinus pachylobus William E. Avery, Mathew Henry Bergvall-Mensor, Steve Wilson 1989-3-31 Tehama On Hwy. 36 E of Red Bluff, just E of Rd. marker 47 Comment
  UC352491  Lupinus polyphyllus var. burkei J. D. Sinclair July 1928 Tehama Circle S Ranch 1524 Comment
  CHSC64707  Lupinus succulentus Vernon H. Oswald 1995-5-22 6744 Tehama Dales Lake Ecological Reserve. Cascade Range Foothills. W side of Manton Rd. (A6) ca. 1 mi n of Hwy. 36 at Dales Station, ca. 14 mi ne of Red Bluff. Growing in gravel on the edge of Inks Creek Rd. 213 Comment
  CHSC77575  Lupinus succulentus B. Castro; C. Warren 1999-5-4 912 Tehama About 25 air miles NW of Orland, vicinity of Rocky Ridge, Williams Butte, and Garland/Round Valley Rd. 283 Comment
  CHSC937  Lupinus succulentus A. Koopman 1929-4-16 Tehama Railroad track at Vina. 76 Comment
  HSC76496  Lupinus vallicola subsp. vallicola B. J. Cox, D. B. Dunn 1971-6-10 2849 Tehama 25 mi. E of Red Bluff on Hwy. 36 1037 Comment
  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
  CDA41137  Lycium L. P. Janeway 2007-4-9 8966 Tehama Sacramento Valley; Along north side of Aramayo Way about half way between Highway 99 (Los Molinos) and Sacramento River (town of Tehama); 860 m west of Highway 99. Rio de los Molinos . Comment
  SBBG125936  Lycopus americanus L. Ahart with J. Dittes 2010-10-4 17282 Tehama Toomes Crk at Tehama-Vina Rd crossing, 1,2 mi E of the Sacramento River, 3 mi NW of Vina 57 Comment
  CDA5130  Lythrum hyssopifolia L. Ahart, J. Dittes 2003-6-11 10245 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
  CHSC66090  Lythrum hyssopifolia Vernon H. Oswald; Lowell Ahart 1996-5-27 7648 .1 Tehama Thomas Creek Ecological Reserve. CDFG parcel on the S side of Gyle Rd. NW of Corning. Norwest side of Sacramento Valley. Common on the weedy edge of the farm pond located on the S boundary of the reserve. 102 Comment
  SEINET12194974  Lythrum hyssopifolia Unknown 1982-1 666 Tehama The Nature Conservancy Vina Plains preserve 66 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
  CHSC111023  Lythrum tribracteatum R. A. Schlising 2012-9-24 4475 Tehama Vina Plains Preserve. Widespread in northern area of large vernal pool in center of preserve (Pool 17). 67 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
  UC54071  Madia elegans H. M. Hall and E. B. Babcock Jul 1 1903-Jul 2 1903 4400 Tehama near Morgan (Mill Creek Canyon); Mount Lassen 1066 Comment
  CHSC118207  Madia elegans Tim Kask 3016-05-03 269 Tehama Antelope Creek drainage on McClure Trail. UTM 10T 0599257/4457720. Comment
  CHSC77737  Madia exigua B. Castro; C. Warren, L. P. Janeway 1999-5-4 910 Tehama About 25 air miles NW of Orland, vicinity of Rocky Ridge, Williams Butte, and Garland/Round Valley Rd. On ridgetop. 286 Comment
  RSA92981  Madia exigua Milo S. Baker, H. K. Wagnon 1953-5-9 12608 Tehama Logging road west of Pakenta, near 6 mile post Comment
  JEPS115877  Madia glomerata Lowell Ahart, John Dittes, Josephine Guardino 2009-8-27 16308 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 L 1493 Comment
  SEINET10800974  Madia glomerata David B. Dunn 1971-8-15 Dunn 18174 Tehama 1 1/2 mi. W of Lassen Park headquarters. 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
  CHSC77739  Madia gracilis B. Castro; L. Janeway 1999-5-18 936 Tehama About 17 air miles SW of Red Bluff, vicinity Sunflower Gulch and Red Bank Creek. Along upper edge of bank in side-cyn. 310 Comment
  UC2027909  Madia gracilis Barbara Ertter 1990-5-12 8932 Tehama NW side of Dry Fork Creek NW of junction of Highway 36 and Route A5 (Bowman Rd) ca. 15 air miles WNW of Red Bluff, on Reed property Comment
  CHSC66476  Madia subspicata Vernon H. Oswald; Lowell Ahart 1996-5-20 7574 Tehama Cascade Range Foothills. Hog Lake Plateau. BLM parcel along Hwy. 36 NE of Red Bluff. On the bank of an intermittent stream at the northeast end of the parcel. 182 Comment
  CAS-BOT-BC512871  Maianthemum stellatum John Thomas Howell 1961-6-20 36581 Tehama Bluff Falls 1981 Comment
  CHSC86024  Malacothrix floccifera Jenny Marr 1998-4-17 Tehama Vicinity of Salt Creek. 274 Comment
  JEPS122020  Malacothrix floccifera Lowell Ahart 2014-5-8 19447 Tehama About 1/10 mile north of the restroom and the paved road to Berris Creek, west of Berris Creek, south of Kendrick Creek, strand of Black Butte Reservoir, about 12 miles (air) southwest of Corning. Comment
  SEINET12765129  Malacothrix floccifera Lowell Ahart 2014-5-8 19447 Tehama About 1/10 mile north of the restroom and the paved road to Berris Creek, west of Berris Creek, south of Kendrick Creek, strand of Black Butte Reservoir, about 12 miles (air) southwest of Corning.; 0 149 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
  RSA90790  Malacothrix floccifera Milo S. Baker 1953-5-9 12592 Tehama Logging road 6 miles west of Paskenta Comment
  CHSC115230  Malva nicaeensis B. Castro; R. Carter, J. Boyt, B. Humphrey, A Groom 2015-4-27 2039 Tehama Sacramento Valley. N side of Elder Creek channel, ca 1.1 air mi NW of its confluence with the Sacramento River and 1.15 air mi E of the San Benito Ave. bridge over Elder Ck at the town of Gerber. At inside edge of pronounced bend in channel. 680 Comment
  HSC1762  Marah fabacea Larry Berti 1969-3-19 33 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
  SJSU6096  Marrubium vulgare N. D. Addy & R. L. Macdonald 1962-6-30 Tehama State Route 36 c. 11 mi W of Mineral Comment
  JEPS116143  Marsilea oligospora Lowell Ahart, John Dittes, Josephine Guardino 2009-8-27 16303 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 Cree 1493 Comment
  CHSC29849  Marsilea vestita K. R. Stern 1980-6-16 6657 Tehama 0.7 mi. east of Hwy. 99, just S of Lassen Rd.; 15 mi. N of Chico. 60 Comment
  CHSC107238  Marsilea vestita subsp. vestita Lowell Ahart; John Dittes 2011-6-9 17430 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. Bottom of a large vernal pool, sand dune area. 80 Comment
  CHSC27836  Matricaria discoidea Eric J. Miller 1978-4-24 9 Tehama Ca. 1 km w of Sacramento River at Woodson Bridge. 28 Comment
  CHSC96682  Matricaria discoidea Lowell Ahart 2007-5-8 13716 Tehama On the east side of Vestal Road, about 50 yards southeast of a small stream, about 5.3 miles west of the intersection of Cannon Road and Reeds Creek Road, about 21 miles (air) west of Red Bluff. 304 Comment
  CHSC88302  Medicago lupulina Lowell Ahart; Samantha Mackey Hillaire 2004-7-9 11218 Tehama On the east side of Ponderosa Way (Forest Road 28N29), at the sign, at the Black Rock, south of the Black Rock Campground and the bridge across Mill Creek, about 26 miles (air) east of Red Bluff. 674 Comment
  JEPS103422  Medicago minima Lowell Ahart 2002-4-27 9565 Tehama In the road curve, on the N side of Road M2, ca 20 yards NW of the dirt road that leads to the tower, ca 8 miles W of Paskenta. 609 Comment
  CHSC27829  Medicago polymorpha Eric J. Miller 1978-4-24 12 Tehama Ca. 1 km w of Sacramento River at Woodson Bridge. Comment
  HSC1825  Medicago praecox Larry Berti 1969-3-15 2 Tehama N face of Antelope Creek Canyon, 12 mi. E of Red Bluff, 3 mi. upstream from dam 213 Comment
  CHSC80721  Melica aristata Lowell Ahart 2001-6-16 8872 Tehama On west side of the dirt road, near Ike Dye Hill, about 2 miles west of Highway 32, west of Soda Springs Campground, about 3 miles (air) west of Butte Meadows. 1341 Comment
  UC818855  Melica frutescens A. A. Heller 1916-4-20 12338 Tehama 3 mi n Redding Comment
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Jul 15 2013
  CHSC61450  Melica fugax Vernon H. Oswald; Lowell Ahart 1993-8-18 5848 Tehama Lassen Volcanic National Park. E slope of Mt. Conard near the S boundary of the park. 2133 Comment
  JEPS120561  Melica geyeri B. Castro and L. P. Janeway 2004-5-30 1462 Tehama High Cascade Range. Steep NE-facing slope above unnamed tributary from south into Deer Creek; 100 ft above Road 27N08 (road from Hwy 32 across Deer Creek toward Onion Butte), 1.4 road mi E of major hairpin turn where road drops into Deer Ck canyon. Comment
  UCD32618  Melica geyeri Beecher Crampton 1954-6-16 1986 Tehama Tehama County, 1 mile north of Hawell Saddle. 1920 Comment
  UCD80567  Melica harfordii CNPS SN Foothill Team 2005-6-29 SNNR 0437 b Tehama USFS Lassen National Forest. 969 Comment
  CAS-BOT-BC281009  Melica stricta P. A. Munz 1951-7-26 16937 Tehama E slope of S Yolla Bolly Peak 2316 Comment
  UC1025132  Melica stricta Douglas Barbe 1955-7-16 169 Tehama East Ridge leading to summit South Yolla Bolly (w Tehama County) Comment
  CDA7115  Melilotus albus L. Ahart 2004-6-11 11024 Tehama On the south side of Thomes Creek, west of the end of the Nomalaki Trail, about 1/2 mile north of Dead Rabbit Lake, about 2 miles northwest of Bowers Creek, about 2 3/4 miles northwest of Forest Road 23N69 (Mud Flat Road), about 8 miles (air) southwest of Paskenta. Comment
  CHSC59182  Melilotus indicus Vernon H. Oswald 1992-9-29 5223 Tehama Hwy. 89 at Bluff Falls, 0.8 mi S of the boundary of Lassen Volcanic National Park. 1972 Comment
  CHSC77338  Melilotus indicus Heidi West; B. Castro 1999-6-1 Tehama Vicinity of Salt Creek and Newville. 201 Comment
  JEPS63467  Mentha canadensis Jos. Grinnell 1925-7-21 Tehama Mineral 1463 Comment
  CHSC61439  Micranthes aprica Vernon H. Oswald 1993-8-18 5824 Tehama Lassen Volcanic National Park. E slope of Mt. Conard just below the summit ridge, near the S boundary of the park. 2414 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
  JEPS40552  Micropus californicus var. californicus Virginia Bailey 1938-4-16 Tehama 6 mi w Paskenta; Paskenta-Covelo road Comment
  JEPS88291  Micropus californicus var. californicus Vernon H. Oswald and Lowell Ahart 1996-4-29 7480 Tehama CDFG parcel on s side of Gyle Rd. nw Corning (nw side of Valley, (collected near s boundary ca. 0.2 mi w of the farm pond)); Sacramento Valley, Thomes Creek Ecological Reserve 106 Comment
  CHSC32598  Microseris acuminata J. D. Jokerst 1980-4-13 579 Tehama Wurlitzer Ranch, ca .25 mi N of Pine Cr. 137 Comment
  JEPS97498  Microseris acuminata Vernon H. Oswald and L. Ahart 1995-4-10 6611 Tehama Dales Station on Hwy. 36; ; T29N R2W SW1/4 NW1/4 Sec. 35, 690 ft, Cascade Range Foothills, Stony Tuscan Loam over hardpan. Dales Lake Reserve on the W side of Manton Rd. (A6) ca. 1 mi n of Dales Station on Hwy. 36, ca. 14 mi ne of Red Bluff 210 Comment
  UCD18753  Microseris acuminata Vernal Pool Team 2001; Carol Witham and Jennifer Buck 2001-4-12 46 Tehama 2.5 mi. east along Lassen Rd. from intersection of Hwy 99, north of Lassen Rd. 2 mi., Foor Ranch site, pool # FOR001, UTMs: 10S0589844; 4421902. Comment
  JEPS36164  Microseris douglasii subsp. douglasii R. F. Hoover 1937-5-19 2250 Tehama near Vina Comment
  CAS-BOT-BC349264  Microseris nutans G. L. Stebbins 1972-6-18 8096 Tehama Wells Creek, south of Mt. Tedoc 853 Comment
  CHSC70865  Microseris sylvatica Vernon Oswald; Lowell Ahart 1998-4-27 8960 Tehama Cannon Rd. 1.1 mi west of its junction with Hwy. 36 west of Red Bluff. 256 Comment
  JEPS81103  Microseris sylvatica James Payne Smith Jr. 1979-4-29 10076 Tehama State Route 36 at Basler Road Comment
  CHSC53974  Microsteris gracilis Vernon H. Oswald 1991-4-8 4486 Tehama The Nature Conservancy's Vina Plains Preserve, Main Unit. In a slight depression ca. 200ft west of the barn. 64 Comment
  CHSC55233  Microsteris gracilis L. P. Janeway 1991-3-28 3859 Tehama In large ravine draining north into Battle Creek; 1 1/2 mi east of the Sacramento River. 152 Comment
  CHSC57025  Microsteris gracilis Steven Triano; Stefani Eiben 1988-5-7 158 Tehama Ca 30 ft nw of Hwy. 36 and 11.9 mi w of Mineral. 880 Comment
  CHSC77362  Microsteris gracilis Heidi West; Natalie Wight 1999-3-11 Tehama Vicinity of Newville, Newville Road, and Salt Creek. 243 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
  UC1211920  Mimulus bicolor John H. Weiler, L. Constance, E. Molseed 1960-6-12 60147 Tehama 33 mi ne Chico (on road to Butte Meadows, 3 mi ne of junction with state highway 32) Comment
  JEPS7873  Mimulus bolanderi Milo S. Baker and H. K. Wagnon 1953-5-31 12638 Tehama logging road nw Paskenta (near 7 mi post) Comment
  JEPS4721  Mimulus breweri A. A. Heller 1938-7-28 15293 Tehama Mineral-Lassen Park Highway near the junction with the old road Mineral-Lassen Park Highway Comment
  POM252821  Mimulus breweri A. A. Heller 1938-7-28 15293 Tehama Mineral-Lassen Park Highway. 1677 Comment
  CHSC109586  Mimulus floribundus Lowell Ahart 2012-6-2 18147 Tehama 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
  HSC90788  Mimulus glaucescens Barbara Ertter 1989-5-3 8446 Tehama Deer Creek Road (Rt 32) at milepost 12.00, E side of Deek Creek 20 airmiles SW of Chester 976 Comment
  JEPS5589  Mimulus glaucescens W. L. Jepson 1934-5-4 16625 Tehama 2 mi e Andrews road sta.; Big Antelope Creek 76 Comment
  UCD96127  Mimulus glaucescens Dena Grossenbacher; Brian Green 2008-5-6 818 Tehama Cone Grove Park on banks of Antelope Creek just north of the park. 86 Comment
  SEINET12334050  Mimulus glaucescens Unknown 1974-1 35 Tehama Mill/Deer Creek Study area, 200 yds N of Ponderosa Way on E side of Beaver Creek Crossing 732 Comment
  JEPS95680  Mimulus guttatus Vernon H. Oswald and L. Ahart 1995-4-10 6642 Tehama Dales Station on Hwy. 36 225 Comment
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Jun 25 2013
  UC1019550  Mimulus guttatus Louise Kellogg 1952-7-16 62 Tehama directly s South Yolla Bolly Mountain (near Squaw Camp and Pole Corral on Boswell Ridge); North Coast Ranges, Mendocino National Forest 2133 Comment
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Jun 21 2009
  UC1245133  Mimulus guttatus J. M. Tucker 1959-7-19 3564 Tehama ca 1/2 mi e Ides Cove (se side of mt., along a rivulet above road); South Yolla Bolly Mountain 2103 Comment
  UCD122728  Mimulus kelloggii R. N. Raynor 1940-5-22 s.n. Tehama Mill Creek Road between Red Bluff and Mineral. Comment
  RSA309392  Mimulus latidens Robert F. Hoover 1937-5-19 2259 Tehama Near Vina. Comment
  RSA14419  Mimulus lewisii H. P. Bracelin 1932-7-23 675 Tehama Mt. Lassen National Park, 9 miles above Mineral. 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
  HSC82152  Mimulus moschatus Thomas W. Nelson, Jane P. Nelson 1979-6-25 4916 Tehama Along FS Rd. 35, 1.9 mi. from Stuart Gap Comment
  RSA791129  Mimulus moschatus Gerald Dickinson 1964-7-24 234 Tehama Anthony Peak, 1/4 mi below on east slope. Growing at water tank overflow. 2043 Comment
  UCD122829  Mimulus moschatus J. M. Tucker 1959-7-19 3565 Tehama ca. 1/2 mile east of Ides Cove, southeast side of South Yolla Bolly Mountain. 2103 Comment
  UC2062570  Mimulus nanus var. mephiticus Belinda Lo with Kellie Eldridge 2017-7-25 349 Tehama TEHAMA COUNTY: Shasta-Trinity National Forest, northwest of McGee Camp and near road 10W66. Comment
  JEPS17606  Mimulus nanus var. nanus Rimo Bacigalupi with G. T. Robbins, Keith Wagnon and D. Barbe 1955-7-16 5317 Tehama about 1 mi e of summit South Yollo Bolly Mountain (Mt. Linn summit) (on e shoulder of mountain) 2286 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
  RSA0114938  Mimulus pilosus Lowell Ahart 2013-8-2 18990 Tehama On the south bank of Burris Creek, strand of Black Butte Reservoir, about 1 1/2 miles southwest of the Dam, about 12 miles (air) northwest of Orland. 136 Comment
  UCD19417  Mimulus primuloides Gerald Dickinson 1964-7-24 236 Tehama Anthony Peak, east slope. 2042 Comment
  CHSC117166  Mimulus torreyi Lowell Ahart; John Dittes 2016-6-22 21028 Tehama Steep mountain side, west of the trail, 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
  JEPS86929  Mimulus torreyi David M. Thompson 1986-6-27 553 Tehama Hwy 36 Plumas Co. line 1490 Comment
  POM193499  Mimulus torreyi J. B. Feudge 1929-7-18 2004 Tehama Sierra Nevada Mtns.; Mineral. 2134 Comment
  UC54641  Mimulus torreyi H. M. Hall and E. B. Babcock Jul 1 1903-Jul 2 1903 4409 Tehama near Morgan; Mount Lassen, Mill Creek Canyon 1524 Comment
  RSA519040  Mimulus torreyi Barbara J. Ertter 1989-7-4 8700 Tehama 1.4 mi E of Mineral on Hwy 36 at Conrad Grove LP, upper edge of Battle Creek Mds along Nanny Creek. 1524 Comment
  JEPS51396  Minuartia californica Virginia Bailey 1938-4-16 Tehama 6 mi w Paskenta (on Paskenta-Covelo road) Comment
  UC511484  Minuartia californica D. K. Gillespie 1930-5-9 9287 Tehama 18 mi w Mineral (on the Susanville Road) Comment
  JEPS102488  Minuartia cismontana Vernon H. Oswald and Lowell Ahart 2001-5-7 10021 Tehama Forest Road 26N15 5.2 mi W of Hwy 32, between Soda Springs and Cohasset Ridge 1079 Comment
  CHSC93462  Minuartia douglasii Lowell Ahart 2006-5-5 12574 Tehama Along the Nomalaki Trail (Thomes Gorge Trail), about 100 yards west of China Gulch, about 1/4 mile south of Bowers Creek, about 3/4 mile northwest of Forest Road 23N69 (Mud Flat Road), about 6 1/2 miles (air) southwest of Paskenta. 548 Comment
  JEPS88384  Minuartia douglasii Vernon H. Oswald and Lowell Ahart 1996-4-15 7382 .1 Tehama n.w. Corning (CDFG parcel on s. side of Gyle Rd., on large meander plain of intermittent stream ca. 0.3 mi. e. of the lane); n.w. Sacramento Valley, Thomes Creek Ecological Reserve 100 Comment
  HSC59816  Minuartia douglasii D. H. Norris, John L. Heywood 1968-3-31 1836 Tehama SR 36 67.74 mi. E of Shasta Co. line Comment
  UC1051686  Minuartia nuttallii subsp. gregaria Helen K. Sharsmith 1953-6-24 4353 Tehama near summit of Ovenlid; Inner North Coast Ranges, Mendocino National Forest 1920 Comment
  CAS-BOT-BC181092  Minuartia nuttallii var. gregaria J. M. Tucker; L. K. Mann 1959-7-19 3558 Tehama Southeast side of South Yolla Bolly Mountain 2255 Comment
  CHSC84603  Mollugo verticillata Lowell Ahart; John Dittes 2003-9-17 10585 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
  SD112948  Mollugo verticillata Darley F. Howe 1963-8-8 3707 Tehama 5.1 miles north of Corning on Highway 99. Comment
  SEINET3996183 Image available Monardella breweri subsp. lanceolata A. A. Heller 1937-7-21 16168 Tehama Deer Creek Hwy, several miles W of first crossing of Deer Creek. Comment
  RSA32764  Monardella lanceolata var. lanceolata A. A. Heller 1937-7-21 16168 Tehama Along the Deer Creek Highway several miles west of the first crossing of Deer Creek. Comment
  CAS-BOT-BC221977  Monardella odoratissima subsp. glauca John Thomas Howell 1960-8-19 36200 Tehama Lassen Volcanic National Park. Summit ridge, Brokeoff Mt. 2804 Comment
  CAS-BOT-BC222060  Monardella odoratissima subsp. pallida A. A. Heller 1937-7-21 15931 Tehama Near the Sulphur Works entrance to Lassen Volcanic National Park Comment
  CHSC61745  Monardella odoratissima subsp. pallida Vernon H. Oswald 1993-9-2 5894 Tehama Ridge running E from Mt. Linn, South Yolla Bolly Mtns., ca. 20 mi (air) NW of Paskenta. 2346 Comment
  UC2035960  Monardella odoratissima subsp. pallida C. Epling, Wm. Robison 1935-7-16 Tehama Near Mineral Comment
  UCR130062  Monardella odoratissima subsp. pallida George K. Helmkamp, E. A. Helmkamp 2001-7-7 6911 Tehama Northern Sierra Nevada Mountains, SE of Mt. Lassen; Calif. Hwy 36/89 at Gurnsey Creek, about 2 mi north of junction with Calif. Hwy 32 1448 Comment
  CAS-BOT-BC474517  Monardella odoratissima var. parvifolia Gerald Dickinson 1964-7-24 233 Tehama Atop Anthony Peak 2122 Comment
  CHSC66197  Monardella sheltonii Vernon H. Oswald; Lowell Ahart 1996-6-3 7703 Tehama Cascade Range Foothills. Hog Lake Plateau. BLM parcel along Hwy. 36 NE of Red Bluff. Growing in the dry bed of a rocky flood channel along Paynes Creek ca. 0.3 mi downstream from the old bridge site. 103 Comment
  JEPS102407  Monardella villosa subsp. villosa Lowell Ahart 2001-6-8 8776 Tehama On the west side of road M2, about 9 miles west of Paskenta. 792 Comment
  JEPS35221  Monolopia major Blankinship 1911-4-7 Tehama Corning Comment
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Feb 9 2019
  SBBG122968  Montia fontana B. Ertter, B. Olson 1991-7-6 10412 Tehama Rocky Cabin meadow, ca. 1 mi S of Ball Rock, 1 mi SE of Cold Spring Forest Station, ca. 30 air mi W of Corning 1889 Comment
  UC1873688  Montia fontana Barbara Ertter with Brad Olson 1993-5-15 11816 a Tehama Spring Branch Road south of Battle Creek ca 15 air miles NNE of Red Bluff. Comment
  CHSC57825  Montia fontana subsp. chondrosperma Vernon H. Oswald; Lowell Ahart 1992-4-21 4907 Tehama Hogsback Rd. (Belle Mill Rd. or Forest Rd. 28N24) near Mud Spring, 9.7 mi (odometer) E of Hwy. 99, ca. 11 mi (air) E of Red Bluff. 316 Comment
  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
  CHSC65747  Montia fontana subsp. chondrosperma Vernon H. Oswald 1996-3-20 7237 Tehama Northwest side of Sacramento Valley. Thomes Creek Ecological Reserve. SE corner of the parcel ca. 0.9 mi S of Gyle Rd., ca. 0.9 mi E of the dirt lane along the W side of the preserve. 99 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
  JEPS108867  Muhlenbergia filiformis Lowell Ahart 2006-7-25 13080 Tehama In a small drainage, in a small meadow on the west side of the road, about 50 yards southeast of where the dirt road crosses Colby Creek, about 2 miles (air) southeast of Colby Mountain, about 5 miles (air) northeast of Butte Meadows 1518 Comment
  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
  JEPS105648  Myosurus minimus L. P. Janeway 2001-6-10 7147 Tehama High North Coast Ranges. Along Road 28N36 1.1 km west-southwest of Tedoc Gap; along a minor tributary of South Fork Beegum Creek 1340 Comment
  JEPS90884  Myosurus minimus Dean W. Taylor 1990-5-9 11687 Tehama 300 meters n of Stony Creek (along the right-of-way of electrical transmission lines (PG&E Pit-Vaca Line), Sacramento Valley); Sacramento Valley 112 Comment
  JEPS95692  Myosurus minimus Vernon H. Oswald and L. Ahart 1995-4-10 6607 Tehama ca. 1 mi n of Dales Station; Dales Lake Reserve; T29N R2W NW1/4 NW1/4 Sec. 35, 700 ft, Cascade Range Foothills, Stony Tuscan Loam over hardpan. Dales Lake Reserve on the W side of Manton Rd. (A6) ca. 1 mi n of Dales Station on Hwy. 36, ca. 14 mi ne of Red Bluff 213 Comment
  UC1736749  Myosurus sessilis Dean W. Taylor 1991-5-9 11688 Tehama Stony Creek, ca. 300 meters north of the creek along the right-of-way of electrical transmission lines (PG&E Pit-Vaca line) 112 Comment
  RSA202443  Najas flexilis Richard Yeo 1966-9-26 s.n. Tehama At end (21 miles downstream) of Tehama Canal, ca. 4 miles southwest of Corning Comment
  JEPS66422  Najas gracillima L. R. Heckard and P. Rubtzoff 1971-7-31 2684 Tehama just ne of Red Bluff (Sacramento River); Sacramento River Comment
  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
  CHSC4509  Navarretia divaricata C. Glascock 1965-5-15 425 Tehama 12.4 mi w of Mineral R.S. on Hwy 36 at n roadside. Comment
  CHSC60374  Navarretia divaricata Mary Ann Showers 1992-6-26 2562 Tehama Lassen Volcanic National Park. On ridge east of Sulphur Works Entrance Station above West Sulphur Creek. 1950 Comment
  SEINET198100  Navarretia divaricata Louise Kellogg 1952-7-18 92 Tehama Near Squaw Camp and Pole Corral on Boswell Ridge directly south Yolla Bolly Mountain 2134 Comment
  RSA105352  Navarretia divaricata G. D. Barbe 1955-7-17 215 Tehama At Cold Springs Camp. 1890 Comment
  CAS-BOT-BC230304  Navarretia heterandra B. Crampton 1953-4-29 1171 Tehama 5 miles S of Dales Comment
  CHSC76767  Navarretia heterandra B. Castro; C. Warren, L. P. Janeway 1999-5-4 914 Tehama About 25 air miles NW of Orland, vicinity of Rocky Ridge, Williams Butte, and Garland/Round Valley Rd. On edge of ridgetop. 286 Comment
  RSA719176  Navarretia intertexta L. Ahart 2006-7-19 13017 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
  UCSB63897  Navarretia intertexta Oswald, Vernon; Ahart, Lowell 1996-5-20 Tehama BLM parcel along Hwy. 36 NE of Red Bluff; T28N R2W NW1/4 NE1/4 Sect. 8; Cascade Range Foothills; bordering the edge of Paynes Creek just downstream from the mouth of an intermittent stream at the northeast end of the parcel 158 Comment
  UC54531  Navarretia intertexta subsp. propinqua H. M. Hall and E. B. Babcock Jul 1 1903-Jul 2 1903 4356 Tehama near Morgan ((Mill Creek Canyon)); Mount Lassen 1524 Comment
  CHSC76772  Navarretia jepsonii B. Castro; L. P. Janeway 1999-6-3 951 Tehama About 23 air miles W of Red Bluff, vicinity of Pettyjohn Rd and S. Fork Cottonwood Creek. In side-cyn. 371 Comment
  CHSC80048  Navarretia jepsonii L. P. Janeway 2000-6-6 6783 Tehama Vicinity of Thomes Creek and Bowers Creek. 329 Comment
  CHSC36828  Navarretia leptalea R. A. Schlising 1980-6-21 3752 Tehama Gravel bar along Deer Creek NE of Vina. Comment
  CHSC9727  Navarretia leptalea Nancy Mosman 1971-7-17 96 Tehama Located 10 ft s of Hwy 32 in roadside meadow ca. 18.6 mi s of Chester. 1066 Comment
  HSC75047  Navarretia leptalea J. P. Smith, Thomas W. Nelson 1978-7-22 10044 Tehama Shasta-Trinity National Forest, Tedoc Gap 1372 Comment
  RSA704006  Navarretia leucocephala subsp. leucocephala Daphne K. Christopher, Hannah Stevens, Mark Bibbo 2003-4-20 219 Tehama Vina Plains Nature Conservancy Preserve in Big Pond section. 67 Comment
  SEINET11263190  Navarretia leucocephala subsp. leucocephala Barbara Ertter, Brad Olson 1993-5-15 11790 Tehama Jellys Ferry Road ca 6 miles NNE of Interstate Hwy 5 north of Red Bluff.; 0 122 Comment
  JEPS76637  Navarretia linearifolia subsp. pinnatisecta L. R. Heckard 1972-6-18 2990 Tehama sw of Tedoc Mt.; sw of Tedoc Mt. 1371 Comment
  UC703021  Navarretia linearifolia subsp. pinnatisecta Alice Eastwood, John Thomas Howell 1941-7-9 9813 Tehama Government Flat Comment
  CHSC87822  Navarretia mellita Lowell Ahart 2004-6-11 11045 Tehama East of a small seep across and on the north side of the Nomalaki Trail, about 1/4 mile north of Bowers Creek, about 1 mile northwest of Forest Road 23N69 (Mud Flat Road), about 6 1/2 miles (air) southwest of Paskenta. 582 Comment
  CHSC113262  Navarretia pubescens Lowell Ahart; John Dittes 2014-5-16 19485 Tehama On the west side of the large rock, north of the poor dirt road, about 1/8 mile northeast of the end of Lyon Cattle Road, about 2 1/4 miles (air) northeast of Los Molinos. 99 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
  HSC1655  Navarretia pubescens Larry Berti 1969-5-9 77 Tehama Antelope Creek Canyon, N face, 12 mi. E of Red Bluff, 3 mi. upstream from dam. 213 Comment
  JEPS70429  Navarretia pubescens W. L. Jepson 1927-6-25 12352 Tehama Pine Creek road station 60 Comment
  UCSB63895  Navarretia pubescens Oswald, Vernon; Ahart, Lowell 1996-5-20 Tehama BLM parcel along Hwy. 36 NE of Red Bluff; T28N R2W NW1/4 NE1/4 Sect. 8; Cascade Range Foothills; Paynes Creek ; Hog Lake Plateau 164 Comment
  UC762866  Navarretia subuligera R. F. Hoover 1939-5-11 4096 Tehama ne of Red Bluff Comment
  UCD39797  Navarretia subuligera Collector Unknown no date Tehama NE of Red Bluff. Comment
  CHSC66034  Navarretia tagetina Vernon H. Oswald 1996-5-13 7560 Tehama Northwest side of Sacramento Valley. Thomes Creek Ecological Reserve. CDFG parcel on the S side of Gyle Rd. NW of Corning. Along the N bank of the creek just E of the W boundary of the reserve. 103 Comment
  JEPS19811  Navarretia tagetina Rimo Bacigalupi with S. Galen Smith 1957-6-24 6021 Tehama 8.1 mi s Corning (along U.S. Highway 99-W) 83 Comment
  UC1076052  Navarretia tagetina Herbert L. Mason 1947-5-18 14786 Tehama 1 mi w Corning Comment
  UC809640  Navarretia tagetina Philip A. Munz 1949-5-14 13202 Tehama 7 mi s Corning Comment
  SEINET12334062  Navarretia tagetina Unknown 1982-1 561 Tehama W of Sheep Camp Ditch and ca 400 m to NW of barn in S pasture 60 Comment
  CHSC107233  Navarretia viscidula Lowell Ahart; John Dittes 2011-6-9 17455 Tehama On both sides of poor a dirt road, sand dune area, 2.2 miles (air) east of Highway 99, 3.5 miles (air) north of Vina. 88 Comment
  CHSC66497  Navarretia viscidula Vernon H. Oswald; Lowell Ahart 1996-5-20 7614 Tehama Cascade Range Foothills. Hog Lake Plateau. BLM parcel along Hwy. 36 NE of Red Bluff. On bank at an old quarry located ca. 0.6 mi southwest of the parking lot at Hog Lake. 274 Comment
  JEPS105201  Navarretia viscidula Dean W. Taylor 1995-5-24 14939 Tehama about 5 miles S Red Bluff; Coyote Creek 1.5 miles west of Paskenta Road 167 Comment
  UC596196  Navarretia viscidula R. F. Hoover 1938-6-10 3592 Tehama near Jelley's Ferry Comment
  UCR131629  Navarretia viscidula Beecher Crampton 1954-6-15 1958 Tehama Sacramento River Valley, along the road 1 mile east of Paskenta, gravelly ridge above Thomes Creek 320 Comment
  CDA20546  Nelumbo lutea Stoffel 2005-7-19 PDR 1411565 Tehama Table Mtn Ranch in Red Bluff. Sheet 2 of 2. 0 Comment
  UC1002649  Nemacladus montanus Milo S. Baker and H. K. Wagnon 1953-5-30 12682 Tehama 5 mi w Paskenta (w Tehama County) Comment
  CHSC55227  Nemophila heterophylla L. P. Janeway 1991-4-11 3892 Tehama Battle Creek Wildlife Area. Upper slope of steep north-facing bluff on south side of Battle Creek, ca 1 1/2 air mi east of the Sacramento River. 167 Comment
  RSA755318  Nemophila heterophylla L. P. Janeway 2009-3-28 9687 Tehama Cascade Range Foothills. Tehama Wildlife Area; along the Powerline Road 0.2 km southwest of its ford across Little Grapevine Creek. 468 Comment
  CHSC83371  Nemophila menziesii subsp. menziesii L. P. Janeway; Shirley Innecken 2002-3-21 7450 Tehama Inner North Coast Ranges. Vicinity of Benner Creek, Thomes Creek, and Round Valley Road. 320 Comment
  CHSC103806  Nemophila pedunculata Barbara Ertter; Brad Olson 1991-7-6 10403 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. 1889 Comment
  CHSC67229  Nemophila pedunculata James D. Jokerst 1981-2-23 1243 Tehama Wurlitzer Ranch on Pine Creek, 1.0 mi E of Meridian Rd. Growing along Zimmershed Creek located N of Pine Creek. Comment
  CHSC67230  Nemophila pedunculata James D. Jokerst 1984-3-17 1939 Tehama Wurlitzer Ranch on the E side of Meridian Rd., S bank of Zimmershed Creek at a small oxbow with water and in the adjacent Blue Oak Woodland. 91 Comment
  RSA66359  Nemophila pedunculata P. A. Munz 1951-7-27 16967 Tehama South base of South Yolla Bolly Mts. 2226 Comment
  RSA93130  Nemophila pedunculata Milo S. Baker, H. K. Wagnon 1953-5-31 12696 Tehama Chaparral burn west of Paskenta near 5 mile post. Comment
  RSA718167  Nemophila spatulata L. Ahart 2006-7-11 12948 Tehama On the high east bank of Colby Creek, about 50 yards north of where the dirt road crosses Colby Creek, about 2 miles (air) southeast of Colby Mountain, about 5 miles (air) northeast of Butte Meadows. 1519 Comment
  HSC75072  Odontostomum hartwegii J. P. Smith 1979-4-29 10078 Tehama Hwy. 36 at Basler Rd. Comment
  JEPS62089  Odontostomum hartwegii Joseph Grinnell 1927-5-7 Tehama between Red Bluff and Dale's Comment
  JEPS84162  Orcuttia pilosa R. D. Stone 1986-8-22 797 Tehama 0.7 mi e Leininger Road (1.3 mi n of its intersection with Hwy 99); Central Valley, Vina Plains 74 Comment
  UCD21122  Orcuttia pilosa Vernal Pool Team 2002; Carol Witham and Jennifer Buck 2002-4-24 297 Tehama Vina Plains, SW of Highway 99 and Rowles Road. Pool # ROW002. UTMs 10S0584456; 4416102. Comment
  UCD88245  Orcuttia pilosa F. T. Griggs 1974-6-3 134 Tehama 16 miles north of Chico, 1/4 mile east of Hwy. 99E on the south side of Lassen Road. Comment
  CAS-BOT-BC254348  Orcuttia tenuis Reeder, John R. & Charlotte G. Reeder 1975-8-10 6682 Tehama Ca. 4 miles SW of Dales, ca. 11 miles NE of Red Bluffs 274 Comment
  CHSC14134  Orcuttia tenuis F. T. Griggs 1973-8-31 127 Tehama Hog flat reservoir; ca. 13 miles e of Red Bluff (w of Dales); along Hwy 36. Bottom of a pond. Comment
  JEPS84131  Orcuttia tenuis R. D. Stone 1986-7-20 771 Tehama n side of Hwy 36 about 11 mi ne Red Bluff; Central Valley, Hog Lake 263 Comment
  JEPS84134  Orcuttia tenuis R. D. Stone 1986-7-21 774 Tehama s side of unpaved road to Tuscan Buttes 0.9 mi e intersection with Highway 36 (ca 10 mi ne of Red Bluff); Central Valley 292 Comment
  JEPS84138  Orcuttia tenuis R. D. Stone 1986-7-22 779 Tehama 0.6 mi nw Dales Lake (about 15 mi n of Red Bluff); Central Valley, Inks Creek Ranch 201 Comment
  JEPS84140  Orcuttia tenuis R. D. Stone 1986-7-22 781 Tehama 1.25 mi nw Dales Lake (about 15 mi n of Red Bluff, lowermost and largest of vernal pools); Central Valley, Inks Creek Ranch 179 Comment
  OBI77691  Orcuttia tenuis Robert F. Hoover 1939-1 Tehama Comment
  UC618211  Orcuttia tenuis R. F. Hoover 1939-5-11 4097 Tehama drying pond on rocky volcanic plateau ne Red Bluff Comment
  RSA516505  Orcuttia tenuis R. D. Stone 1986-7-20 772 Tehama Dales Lake, W side of Manton Road (County Road A-6) about 15 miles NE of Red Bluff and 1.3 iles NNE of Dales. 213 Comment
  RSA0070930  Orobanche californica subsp. jepsonii Philip A. Munz 1951-7-26 16918 Tehama South slope of South Yolla Bolly Pk. 2286 Comment
  CHSC32797  Orobanche fasciculata James Jokerst 1980-6-18 890 Tehama North Coast Ranges. Near Mud Flat. 852 Comment
  UC54312  Osmorhiza occidentalis H. M. Hall and E. B. Babcock Jul 1 1903-Jul 2 1903 4408 a Tehama near Morgan; Mount Lassen, Mill Creek Canyon 1524 Comment
  CHSC100899  Oxypolis occidentalis R. A. Schlising; Marc Hayes 1977-8-6 3198 Tehama Along Highway 32, 15 miles north of Butte Creek crossing (=17.5 miles north of junction with Humboldt Road to Butte Meadows). Comment
  CHSC110601  Oxypolis occidentalis B. Castro; L. Janeway 2006-9-9 1612 Tehama Cascade Range High. Ca 6 mi NW of jcn Hwys 32 and 36, on S side of road to Wilson Lake, ca 0.5 mi E of Hwy 36. 1548 Comment
  CHSC25332  Oxypolis occidentalis M. P. Hayes; Warner 1977-8-14 36 Tehama N of road along Highway 32 parallel to Deer Creek, c. 7.5 mi ne of Potato patch Campground. 1143 Comment
  CHSC42641  Oxypolis occidentalis Vernon Oswald 1985-7-8 1892 Tehama Hwy 32 1.9 mi sw of Elam Campground. 1365 Comment
  JEPS100719  Oxypolis occidentalis Dean Wm. Taylor with Glenn Clifton 1992-8-22 13207 Tehama Wilson Lake Road (Forest Road 29N63), 0.7 miles East from Highway 89, Lassen National Forest. 1554 Comment
  UC1004618  Oxypolis occidentalis L. Constance 1955-8-20 3618 Tehama above Deer Creek Falls Comment
  SBBG122963  Ozomelis trifida B. Ertter with B. Olson 1991-7-6 10430 Tehama Cold Spring Crk ca. 0.5 mi SE of Cold Spring Forest Station, 0.4 mi from Ball Rock Rd on rd to Rocky Cabin 1828 Comment
  JEPS76656  Packera greenei L. R. Heckard 1972-6-17 2968 Tehama w slope Tedoc Mt. 1310 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
  JEPS75059  Panicum capillare W. L. Jepson 1929-9-27 15284 Tehama Manton 853 Comment
  CHSC65150  Panicum dichotomiflorum subsp. dichotomiflorum Vernon H. Oswald; Lowell Ahart 1995-7-31 7150 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. Near the S tip of the reserve. 207 Comment
  CHSC66893  Panicum dichotomiflorum subsp. dichotomiflorum Vernon H. Oswald; Lowell Ahart 1996-9-4 8267 Tehama Hog Lake Plateau. Cascade Range Foothills. BLM parcel along Hwy. 36 NE of Red Bluff. On the edge of Paynes Creek ca. 1 mi upstream from the old bridge site. 131 Comment
  RSA67181  Parnassia palustris var. californica P. A. Munz 1951-7-25 16849 Tehama Near base of South Yolla Bolly Mountains: Square Lake. 2149 Comment
  CHSC64609  Paronychia ahartii Lowell Ahart; Vernon H. Oswald 1995-4-25 7570 Tehama Between Manton Road and the fence, on the east side of Manton Road, 200 yards south of Inks Creek Road, about 1 mile north of Dales Station on Highway 36, about 14 miles north-east of Red Bluff. 213 Comment
  CHSC65758  Paronychia ahartii Vernon H. Oswald; Lowell Ahart 1996-4-8 7326 Tehama Cascade Range Foothills. Hog Lake Plateau. BLM parcel along Hwy. 36 NE of Red Bluff. Plateau on the E side of Paynes Creek N of its mouth of the Sacramento River. 106 Comment
  CHSC66046  Paronychia ahartii Vernon H. Oswald; Lowell Ahart 1996-5-6 7534 Tehama Cascade Range Foothills. Hog Lake Plateau. BLM parcel along Hwy. 36 NE of Red Bluff. N of the gravel road and W of the Jeep Trail at this location. 225 Comment
  JEPS86517  Paronychia ahartii Roy E. Buck, Glenn L. Clifton 1990-4-4 1489 Tehama 21 air km ne Red Bluff (on plain nw of Dales, ca 2.0 air km nnw of confluence of Paynes Creek and De Haven Gulch drainage, just e of gas pipeline intersection station); nnw Paynes Creek and De Haven Gulch drainage co 201 Comment
  JEPS90769  Paronychia ahartii Roy E. Buck, Glenn L. Clifton 1990-4-4 1489 Tehama 21 air km ne of Red Bluff (plain nw of Dales, 2.0 air km nnw of confluence of Paynes Creek and De Haven Gulch drainage, just e of gas pipeline intersection station) 201 Comment
  NY342566  Paronychia ahartii J. T. Howell 1955-6-12 30307 Tehama 8.5 miles south of Corning Comment
  JEPS50024  Parvisedum pumilum W. L. Jepson 1932-5-9 16358 Tehama rubble plain about 11 mi ne of Red Bluff (near Seven Mile Creek) 137 Comment
  JEPS86515  Parvisedum pumilum Roy E. Buck, Glenn L. Clifton 1990-4-3 1486 Tehama 3.3 air km e of Sacramento River (Sevenmile Creek confluence, 10 air km ne of Red Bluff, just e of gas pipeline); Sevenmile Creek confluence 228 Comment
  HSC10521  Paspalum dilatatum Larry Berti 1968-11-22 Tehama At the junction of Red Bank Creek and Panskenta Rd. Comment
  CHSC66593  Paspalum distichum Vernon H. Oswald; Lowell Ahart 1996-7-8 7971 Tehama Cascade Range Foothills. Hog Lake Plateau. BLM parcel along Hwy. 36 NE of Red Bluff. On the NE margin of Hog Lake. 265 Comment
  CHSC96631  Pectocarya pusilla Lowell Ahart; John Dittes, Josephine Guardino 2007-4-3 13619 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
  CHSC27555  Pedicularis densiflora W. K. Cheechov 1978-3-24 2 Tehama Ca. 25 ft w of Pettyjohn Rd. 2.6 mi sw of Saddle Camp Ranger Station, ca. 27 mi w of Red Bluff. 219 Comment
  CHSC28902  Pedicularis densiflora M. S. Taylor 1979-3-31 1979 Tehama On bluffs overlooking Deer Creek, ca 2 mi sw of (downstream) Hwy 32, ca. 3 mi s of Potato Patch Campground. 975 Comment
  SEINET263491 Image available Pedicularis densiflora Richard J. Shaw 1993-5-23 5101 Tehama Lassen National Forest ; Mile marker 89 near jct of Hwys 36 & 89 near Morgan Summit 1707 Comment
  UCSB13422  Pedicularis densiflora Breedlove, Dennis 1962-6-12 Tehama Road from Viola to Mineral, 9.5 miles south of Viola 1524 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
  JEPS106150  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
  CHSC39814  Pellaea mucronata Maxey-Jones 1928-4-15 Tehama Antelope Creek. Comment
  CHSC78780  Pellaea mucronata var. mucronata Julie Cunningham; Heidi West, Caroline Warren 1998-5-14 Tehama Vicinity of North Fork Stony Creek, Round Valley Road, and Newville Road (Garland Road). 274 Comment
  JEPS118716  Penstemon anguineus B. Castro, L. P. Janeway 1999-8-24 1034 T Tehama High North Coast Ranges. Yolla Biolly Wilderness, ca 1.6 mi ENE of Buck Rock, along USFS Route M2, between Forks Ridge and Short Ridge at Willow Springs. Buck Rock 7.5' quad. Comment
  SDSU10921  Penstemon azureus var. angustissimus R. M. Beauchamp 1965-7-17 Tehama Growing along Hwy 32 near Windy Cut Lookout. Comment
  UC2043033  Penstemon azureus var. azureus Barbara Ertter with Brad Olson 1991-7-4 10218 Tehama Toomes Camp Road (Mendocino FR 23N01) 12.5 mi W of Paskenta, 0.1 mi E of Elder Creek/Riley Ridge junction, ca. 25 air miles W of Corning. Comment
  CHSC77802  Penstemon heterophyllus var. purdyi B. Castro; L. P. Janeway 1999-6-3 958 Tehama About 23 air miles W of Red Bluff, vicinity of Pettyjohn Rd and S. Fork Cottonwood Creek. 356 Comment
  SEINET11053225  Penstemon laetus subsp. leptosepalus Karl A. Vincent 1987-6-25 4433 Tehama Sierra Nevada, Deer Creek Canyon; along CA 32 just north of Potato Patch Campground, ca. 8.9 mi SW of jct. CA 36/89, ca 11.5 air mi SE of Mineral 1097 Comment
  CHSC80699  Penstemon neotericus Lowell Ahart 2001-6-16 8847 Tehama On the south side of the dirt road, about 5 miles west of Highway 32, west of Soda Springs Campground, about 5 miles (air) west of Butte Meadows. 1082 Comment
  UC423670  Penstemon neotericus David D. Keck 1930-7-24 960 Tehama 5 mi e Mineral; Sierra Nevada, e of Mineral 1525 Comment
  NY627258  Penstemon neotericus E. K. Balls 1952-10-14 18207 Tehama 0.5 mile southeast of jct. of highways 89 and 36, on road from Mineral to Chester 1676.4 Comment
  UCD124319  Penstemon newberryi J. M. Tucker; L. K. Mann 1959-7-19 3556 Tehama ca. 1/2 mile east of summit of South Yolla Bolly Mountain. 2286 Comment
  CHSC79215  Penstemon purpusii L. P. Janeway 2000-6-29 6845 Tehama High North Coast Ranges. About 900 m east of Mt. Linn, on top of the ridge from Mt. Linn to Ides Cove Trailhead. 2350 Comment
  UC1037361  Penstemon purpusii Douglas Barbe 1955-7-16 182 Tehama e ridge leading to summit of mt. e ridge leading to summit South Yolla Bolly (Mt. Linn) 2286 Comment
  CHSC102484  Pentagramma triangularis subsp. triangularis L. P. Janeway 2009-3-28 9668 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
  JEPS88088  Pentagramma triangularis subsp. triangularis Vernon H. Oswald and Lowell Ahart 1996-5-20 7578 Tehama ne of Red Bluff (BLM parcel along Hwy 36, ne end of parcel); Cascade Range Foothills, Hog Lake Plateau 182 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
  CHSC92909  Perideridia gairdneri D. Isle; Mike VanDame, Vicki Stoll, Jesse Rosenquist 1999-8-11 1409 Tehama Mendocino National Forest-- North Coast Ranges, Thomes Creek Watershed. Slanes Flat meadow east of cabin. 1642 Comment
  UCD80013  Perideridia kelloggii CNPS SN Foothill Team 2005-6-29 SNNR 0438 Tehama USFS Lassen National Forest. 982 Comment
  CHSC101421  Perideridia oregana David Isle 1992-7-29 1548 Tehama E of first drainage coming down Forks Ridge from Willow Creek watershed boundary into Thomes Creek watershed. 1676 Comment
  CHSC64816  Perideridia oregana Vernon H. Oswald 1995-6-4 6820 Tehama Dales Ecological Reserve. W side of Manton Rd. (A6) ca. 1 mi n of Hwy. 36 at Dales Station, ca. 14 mi ne of Red Bluff. Along the e fenceline near the s tip of reserve. 207 Comment
  CHSC42655  Perideridia parishii subsp. latifolia Vernon Oswald 1985-7-8 1894 Tehama Hwy 32 1.8 mi sw of Hwy 36. 1414 Comment
  JEPS89894  Perideridia parishii subsp. latifolia Dean Wm. Taylor with Glenn L. Clifton 1990-8-10 11445 Tehama Wilson Lake Cascade Mts., Childs Meadows 7 1/2 Quad. 1985 ed., Wilson La 1606 Comment
  CHSC48662  Persicaria amphibia Vernon Oswald 1984-7-16 1594 Tehama W end of Wilson Lake located ca. 8 mi e of Mineral. 1609 Comment
  CHSC66203  Persicaria lapathifolia Vernon H. Oswald; Lowell Ahart 1996-6-3 7722 Tehama Hog Lake Plateau. BLM parcel along Hwy. 36 NE of Red Bluff. Growing on a gravel bar on the E side of Paynes Creek just upstream from the Sacramento River. 91 Comment
  CHSC84611  Persicaria punctata Lowell Ahart; John Dittes 2003-9-17 10599 Tehama On a gravel bar on the south side of Deer Creek, about 400 yards east of Highway 99, about 5 miles (air) southeast of Los Molinos. 60 Comment
  HSC90019  Petrorhagia dubia Andrew Enberg, Brad Penkala, Dan Scofield 1990-3-31 26 Tehama Hwy. 36, 3 mi. E of Rd. A5 229 Comment
  CHSC53956  Phacelia distans Vernon H. Oswald; Lowell Ahart 1991-4-16 4500 Tehama Colyear Springs Rd, 1.0 mile west of Lowery Rd, north of Paskenta. 243 Comment
  CHSC78852  Phacelia distans Julie Cunningham; Heidi West, Caroline Warren 1998-5-14 Tehama Vicinity of North Fork Stony Creek, Round Valley Road, and Newville Road (Garland Road). 274 Comment
  JEPS94155  Phacelia distans Vernon Oswald and Lowell Ahart 1998-4-27 8970 Tehama w. of Red Bluff and s.e. of Platina (Pettyjohn Rd. 0.9 mi. w. of its junction w/ Weemasoul Rd.) 597 Comment
  RSA93129  Phacelia egena Milo S. Baker, H. K. Wagnon 1953-7-11 12839 Tehama Three miles above Whitlock Camp. 1524 Comment
  CHSC61426  Phacelia hydrophylloides Vernon H. Oswald; Lowell Ahart 1993-8-11 5789 Tehama N end of Spencer Meadow extending into Lassen Volcanic National Park E of Mt. Conard and S of Twin Meadows. 2023 Comment
  UC923091  Phacelia imbricata Freed W. Hoffman 1950-7-2 3311 Tehama between Harrison Gulch Guard Station and public camp on North Fork Beegum Creek (0.7 mi from creek) 822 Comment
  RSA91142  Phacelia imbricata subsp. imbricata Milo S. Baker 1953-5-9 12606 Tehama Logging road west of Paskenta at 6 mile post. Comment
  HSC13722  Phacelia mutabilis Jim Vaughn 1956-6-22 Tehama Mineral 1311 Comment
  HSC95447  Phacelia mutabilis L. Ahart 2001-6-16 8868 Tehama On the E side of the dirt road, near Ike Dye Hill, about 2 mi. W of Hwy. 32, W of Soda Springs Campground, about 3 mi. W of Butte Meadows 1341 Comment
  UC1051792  Phacelia mutabilis L. R. Heckard and C. MacMillan 1950-8-24 125 Tehama roadcut along Hwy 36 about 5 mi w Mineral 1219 Comment
  UC54520  Phacelia procera H. M. Hall and E. B. Babcock Jul 1 1903-Jul 2 1903 4395 Tehama Morgan Springs Mount Lassen, Mill Creek Canyon 1524 Comment
  POM127638  Phacelia procera W. P. Taylor 1913-8-2 s.n. Tehama 2 mi S. of Yolla Bolly Mt. Comment
  JEPS101551  Phacelia purpusii Dean W. Taylor 1997-6-18 16077 Tehama Ponderosa Way about 0.5 miles S of Chapman Gulch; ca. 4 miles S Highway 36 960 Comment
  UC54514  Phacelia racemosa H. M. Hall and E. B. Babcock Jun 29 1903-Jun 30 1903 4324 Tehama Park's Ranch Mount Lassen (s side, Tehama Co. line) 2133 Comment
  CHSC92778  Phacelia tanacetifolia John Dittes; Josephine Guardino 2005-4-13 1071 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
  CHSC83675  Phalaris aquatica L. P. Janeway; Shirley Innecken 2002-4-11 7464 Tehama Inner North Coast Ranges. Wide flats along south side of North Fork Stony Creek between the west end of Black Butte Lake and Newville Road. 147 Comment
  CHSC88534  Phalaris aquatica Jenny Marr; Beth Hendrickson 1999-5-28 Tehama Vicinity of Long Hollow, Grizzly Creek, and Bluedoor Flat. 289 Comment
  CHSC107247  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
  CHSC41062  Phalaris paradoxa Pauleen Broyles 1982-6-8 708 Tehama The Nature Conservancy Vina Plains Preserve. 70 Comment
  CHSC86791  Phalaris paradoxa Jenny Marr; Heidi West, Caroline Warren, Natalie Wight 1998-6-2 Tehama Vicinity of Salt Creek, Newville Road, and Newville. 228 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
  JEPS71091  Phlox gracilis W. L. Jepson 1927-6-21 12282 Tehama Battle Creek Meadow Mineral 1524 Comment
  CHSC90396  Phlox speciosa Niall McCarten 1986-6-22 5299 Tehama Mendocino National Forest--North Coast Ranges. Thomes Creek Watershed. NW of Howell Saddle, W. side of Rd. 23N01. 1615 Comment
  UC556434  Phlox speciosa subsp. occidentalis Rimo Bacigalupi 1934-5-29 2407 Tehama along Paskenta to Covelo Road (close to Mendocino-Tehama County line); Mendocino National Forest, Government Flat 1828 Comment
  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
  CHSC4063  Pilularia americana J. Wheeler 1967-4-23 11 Tehama On the w side of Paskenta Rd. about 0.2 mile s of intersection of Live Oak Rd. and Paskenta Rd. 91 Comment
  SEINET11526777  Pinus balfouriana D. A. Charlet, Robin Tausca 1995-9-28 2214 Tehama Yolla Bolly Mountains; North Yolla Bolly Mountains; Cedar basin. 1993 Comment
  CHSC4575  Pinus contorta subsp. murrayana C. Glascock 1965-2-7 229 Tehama 1.1 mi sw of junction of Hwy 32 with 36 (89) on Hwy 32. Comment
  CAS-BOT-BC78724  Pinus jeffreyi John Thomas Howell 1960-8-19 36142 Tehama Brokeoff Mt. Trail 2590 Comment
  JEPS104255  Pinus lambertiana Lowell Ahart 2003-10-13 10629 Tehama On the e side of Willow Creek, n of a large wet meadow, ca 1/8 mi south of Colby Mountain Lookout Rd where it crosses Willow Creek, ca 5 mi (air) ne of Butte Meadows. 1574 Comment
  CHSC82699  Pinus ponderosa Tara Morgan 2002-4-28 50 Tehama Within Lassen National Forest along Deer Creek off of Highway 32 down the Forest Service Rd. that goes down to the campground downstream of Lower Deer Creek Falls. 933 Comment
  CHSC88965  Pinus ponderosa A. Peterson 2003-4-10 29 Tehama Hwy 36 east of Red Bluff. Jct. with Ponderosa Way. 1219 Comment
  CHSC81444  Pinus sabiniana Petra M. Lee 2000-4-5 Tehama Northern California. Wurlitzer Ranch on Barber Road. 152 Comment
  CHSC115502  Piptatherum miliaceum B. Castro 2008-4-30 1735 Tehama Sacramento Valley. Ca 1.15 mi NNW of Woodson Bridge over the Sacramento River, ca. 0.2 mi E of Kopta Slough. 56 Comment
  CHSC84519  Plagiobothrys austiniae John Dittes 2003-3-30 2003 -5 Tehama Sacramento Valley; approximately 12.5 air-miles north by northwest of Chico, ca. 1.5 air-miles east of State Hwy 99, south of Lassen Road. 71 Comment
  CHSC66043  Plagiobothrys bracteatus Vernon H. Oswald; Lowell Ahart 1996-5-6 7525 Tehama Cascade Range Foothills. Hog Lake Plateau. BLM parcel along Hwy. 36 NE of Red Bluff. On a flood channel along Paynes Creek at this location. 124 Comment
  JEPS60943  Plagiobothrys bracteatus W. L. Jepson 1899-4-30 21165 Tehama Red Bluff Comment
  UC881313  Plagiobothrys bracteatus Lewis S. Rose 1934-4-21 34243 Tehama 5 mi s Cottonwood 106 Comment
  CHSC64508  Plagiobothrys canescens Vernon H. Oswald; Lowell Ahart 1995-4-10 6631 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. At the cattle guard at the intersection of Manton and Inks Creek rds. 213 Comment
  JEPS113121  Plagiobothrys canescens Lowell Ahart, John Dittes, Josephine Guardino 2007-4-3 13605 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
  UC1586548  Plagiobothrys canescens Vernon H. Oswald and Lowell Ahart 1991-4-16 4491 Tehama 0.2 mi s Corning Rd (A7) (Black Butte Rd, just s of Burch Creek, w of Corning) 109 Comment
  JEPS68015  Plagiobothrys canescens W. L. Jepson 1899-4-25 21141 Tehama Salt Creek Rosewood Comment
  CDA14334  Plagiobothrys fulvus G. F. Hrusa, J. Hart 1998-5-1 14430 Tehama Sacramento Valley; on ridge approx. 1/4 mi. S of Coyote Creek wash, Coyote Creek Conservation Area, and ~ 1 mi. W of Paskenta Rd. Comment
  CHSC64510  Plagiobothrys fulvus Vernon H. Oswald; Lowell Ahart 1995-4-3 6571 Tehama Cascade Range Foothills. W side of Manton Rd. (A6) ca. 1.5 mi n of Dales Station on Hwy. 36, ca. 14 mi ne of Red Bluff. In upland near the w boundary between the northern cluster of pools and the unimproved crossing the reserve just to the south. 207 Comment
  SEINET10811286  Plagiobothrys fulvus Lowell Ahart, John Dittes; Josephine Guardino 2007-4-3 Ahart 13616 Tehama T25N, R1W, Section 26. Normal size plants, on dry bark rocky soil, 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. Valley Grassland. 113 Comment
  UCD146603  Plagiobothrys fulvus G. F. Hrusa; J. Hart 1998-5-10 14430 Tehama 1/4 mile south of Coyote Creek wash, Coyote Creek Conservation Area, and around 1 mile west of Paskenta Road. Northern Sacramento Valley. 100 Comment
  CHSC40691  Plagiobothrys fulvus var. campestris Pauleen Broyles 1982-4-12 382 Tehama The Nature Conservancy Vina Plains Preserve. Ca 300 m nw of jct. Hwy 99 and access road. 63 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
  JEPS61006  Plagiobothrys greenei J. W. Blankinship 1911-4-7 Tehama Corning Comment
  JEPS61011  Plagiobothrys greenei W. L. Jepson 1932-5-9 16364 Tehama 3-4 mi ne Red Bluff (near Seven-mile creek) 137 Comment
  RSA502358  Plagiobothrys greenei Wm. Taylor, Rexford E. Palmer 1987-4-23 8935 Tehama Oat Creek, 0.3 miles west from Paskenta Road 149 Comment
  CHSC40694  Plagiobothrys leptocladus Pauleen Broyles 1982-4-15 417 Tehama The Nature Conservancy Vina Plains Preserve. Near irrigation ditch where it crosses under Hwy 99. 60 Comment
  CHSC28990  Plagiobothrys nothofulvus J. D. Jokerst 1979-4-14 200 Tehama Adjacent to telephone installation N. of Hogsback Rd., 4.2 mi. E. of Hwy. 99. Comment
  JEPS104301  Plagiobothrys nothofulvus Lowell Ahart 2003-4-17 10113 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
  JEPS113129  Plagiobothrys nothofulvus Lowell Ahart, John Dittes, Josephine Guardino 2007-4-3 13615 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
  JEPS68104  Plagiobothrys nothofulvus J. W. Blankinship 1911-4-7 Tehama Corning Comment
  CHSC113260  Plagiobothrys scriptus Lowell Ahart; John Dittes 2014-5-16 19474 Tehama Along the sides of a small drainage, about 200 yards southwest of the lone oak tree, about 1/2 mile east of the end of Lyon Cattle Road, about 3 miles (air) northeast of Los Molinos. 99 Comment
  CHSC64513  Plagiobothrys shastensis Vernon H. Oswald 1995-3-27 6546 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 s bank of the intermittent stream west of the borrow pit, just downstream from Pool 19. 210 Comment
  CHSC79702  Plagiobothrys shastensis L. P. Janeway; B. Castro 2000-4-12 6663 Tehama Vicinity of Moore Creek, west of Hwy I-5. 128 Comment
  JEPS97222  Plagiobothrys stipitatus var. micranthus Vernon H. Oswald and L. Ahart 1995-4-3 6555 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
  SEINET10781224  Plagiobothrys stipitatus var. micranthus Lowell Ahart 2004-4-29 Ahart 10783 Tehama T23N, R7W, northeast 1/4 Section 20. Normal size plants, on dry black humus, on the sides of a shallow vernal pool, about 10 yards west of the Nomalaki Trail, about 1/2 mile northwest of Bowers Creek, about 1 1/4 miles northwest of Forest Road 23N69 (Mud Flat Road), about 7 miles (air) southwest of Paskenta. 571 Comment
  SEINET7072735  Plagiobothrys stipitatus var. stipitatus A. G. Vestal 1963-5-9 s.n. Tehama About 11.8 miles northeast of Chico on Route 99. UTM Zone 10, 586115mE, 4416669mN. Coordinate datum: NAD 27.) Comment
  CHSC102364  Plagiobothrys tenellus L. P. Janeway 2009-3-28 9670 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
  CHSC70869  Plagiobothrys tenellus Vernon Oswald; Lowell Ahart 1998-4-27 8968 Tehama Pettyjohn Rd. 0.9 mi west of its junction with Weemasoul Rd., west of Red Bluff and southeast of Platina. Near a streamlet. 597 Comment
  CHSC33035  Plagiobothrys tener J. O. Sawyer; R. J. Cole 1979-5-13 3360 Tehama Lenninger Road vernal pool. One mile north of State Route 99 and Lassen Road intersection. 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
  UC725380  Plagiobothrys tener var. tener A. A. Heller 1938-7-28 15292 Tehama on the Mineral-- Mt. Lassen Highway (near the junction with the old road) Comment
  CHSC62643  Planodes virginica Vernon H. Oswald; Lowell Ahart 1994-3-8 5977 Tehama Burris Creek Arm of Black Butte Lake at the shoreline near the E end of Morrison Bryant Rd. On the upper strand of the lake. 144 Comment
  SEINET12765123  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.; 0 149 Comment
  JEPS88313  Plantago coronopus Vernon H. Oswald and Lowell Ahart 1996-4-29 7473 Tehama n.w. Corning (CDFG parcel on s. side of Gyle Rd., edge of intermittent stream near w. boundary); n.w. Sacramento Valley, Thomes Creek Ecological Reserve 103 Comment
  CHSC54012  Plantago elongata Vernon H. Oswald; Lowell Ahart 1991-5-9 4556 Tehama Paynes Creek Recreation Area located ca. 1.5 mi northeast of the Bend Bridge over the Sacramento River, ca. 6.5 miles north-northeast of Red Bluff. On the north side of a newly constructed pond ca. 0.5 mi southeast of the entrance kiosk. 112 Comment
  CHSC102346  Plantago erecta L. P. Janeway 2009-4-4 9714 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
  CHSC86045  Plantago erecta Jenny Marr; J. Cunningham, J. Lacey-Rickert, C. Warren 1998-4-20 Tehama Vicinity of Round Valley Road, Newville Road, and Williams Butte. 259 Comment
  HSC90063  Plantago erecta Amy Austin, Tony LaBanca, Noreen McClintock 1990-3-31 21 Tehama On Tedoc Rd., 1 mi. S of intersection with Hwy. 36 671 Comment
  SEINET6990035  Plantago lanceolata R. A. Evers, Clara V. Evers 1975-8-23 115017 Tehama Yellow pine forest, 2 miles (3.2 kilometers) west of Mineral. Elevation, about 4400 feet. Comment
  JEPS88388  Plantago major Vernon H. Oswald and Lowell Ahart 1996-9-4 8262 Tehama BLM parcel along Hwy. 36 n.e. Red Bluff (along Paynes Creek ca. 1 mi. upstream from the old bridge site); Cascade Range Foothills, Hog Lake Plateau 131 Comment
  SEINET3892855  Platanthera sparsiflora Gary S. Lester, H. L. Dickson; Kathy Morter; Jeff Witcosky 1973-6-30 42 Tehama Tehama Co., Yolla Bolly Wilderness Area; Barker Camp at NE boundary.; 0 2103 Comment
  UCD139024  Platanthera sparsiflora Kenneth D. Stewart 1965-7-15 s.n. Tehama ca. 2 miles south of junction od State Highways 32 and 36. Comment
  UCD70098  Platanus racemosa D. Sanchez-Mata 1997-9-17 s.n. Tehama Red Bluff. Cottonwood-Western sycamore (Populus fremontii-Platanus racemosa) in Sacramento River near William B. Ide State Historic Park. 85 Comment
  CHSC24952  Platystemon californicus Ron Stewart 1976-4-19 Tehama Along roadside, ca. .5 mi ne of Black Butte Lake at the intersection of Black Butte Rd and Long Hollow Rd. 155 Comment
  CHSC9272  Platystemon californicus D. C. Burns 1971-4-4 124 Tehama Abundant on n side of Wildcat rd., ca. 1.5 mi n of the intersection of Wildcat rd. and County rd. #A-6, this intersection is ca. 9 mi n of State highway 36 and county rd. # A-6. 365 Comment
  JEPS51582  Platystemon californicus W. L. Jepson 1899-4-25 Tehama Wimmeshaw btw Salt Creek and Cold Fork tributaries of the Cottonwood (between Salt Creek and Cold Fork, tributaries of the Cottonwood) Comment
  SEINET4399751  Plectranthus Leila M. Shultz 1990-5-5 11328 Tehama North Coast Ranges; Mendocino Forest 305 Comment
  JEPS94148  Plectritis ciliosa subsp. ciliosa Vernon Oswald and Lowell Ahart 1998-4-27 8964 Tehama Cannon Rd. 1.1 mi. w. of its junction w/ Hwy. 36 w. of Red Bluff 256 Comment
  JEPS95955  Plectritis ciliosa subsp. insignis Vernon H. Oswald and L. Ahart 1999-4-21 9712 Tehama High Trestle-McClure Place Trail starting on Hogback Road ca. 0.5 mi northeast of Finley Lake: T28N R1E NW1/4 Sect. 23, 2100 ft, blue oak woodland 640 Comment
  UCD80807  Plectritis congesta subsp. brachystemon CNPS SN Foothill Team 2006-4-4 SNFN 0440 f Tehama Wurlitzer Ranch (private), north of Pine Creek. 289 Comment
  CHSC57527  Plectritis macrocera B. G. Clark 1987-4-6 16 Tehama South side of Hogsback Rd 3.8 mi east of Hwy 99. Approx 4 mi east of Red Bluff on Hwy 99 and 1 mi east of Hwy 36 jct with 99. 243 Comment
  HSC1834  Plectritis macrocera Larry Berti 1969-3-19 30 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
  SEINET10661578  Poa annua Lowell Ahart 2004-4-29 Ahart 10784 Tehama T23N, R7W, northeast 1/4 Section 20. Along the Nomalaki Trail, about 1/2 mile northwest of Bowers Creek, about 1 1/4 miles northwest of Forest Road 23N69 (Mud Flat Road), about 7 miles (air) southwest of Paskenta. 571 Comment
  CHSC115548  Poa bolanderi Lowell Ahart; John Dittes 2015-8-5 20475 Tehama East side of Childs Meadow, 150 yards west of Highway 36, 0.69 air-miles northwest of intersection of State Highway 36 and Wilson Lake road (County road 769), 1.2 air-miles east of Doe Mt., 9.77 air-miles south of Lassen Peak. 1498 Comment
  CHSC83219  Poa bolanderi Beecher Crampton 1954-6-16 1987 Tehama Hawell Saddle, open glade, 0.25 mile west of Howell camp. 1892 Comment
  HSC10639  Poa bolanderi C. R. Ball 1932-7-23 658 Tehama N Fork of Battle River, on Lassen Highway, just NE of Mineral. 1524 Comment
  SEINET242422 Image available Poa bolanderi Beecher Crampton 1954-6-16 1987 Tehama Hawell Saddle, open glade, 0.25 mi. W of Howell Camp. 1892 Comment
  CHSC34606  Poa bulbosa Jeffrey D. Prouty 1979-4-1 230 Tehama H. Wurlitzer Ranch, ca. 10 mi n of Chico. Creekbed, Zimmershed Creek. 121 Comment
  CHSC35640  Poa bulbosa R. E. Preston 1982-4-6 224 Tehama At roadside; Salt Creek Saddle, ca. 5.5 mi w of Newville, Glenn county. 441 Comment
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Jul 23 2009
  CHSC64381  Poa bulbosa Vernon H. Oswald 1995-3-15 6522 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 Manton Rd. at Inks Creek Rd. 213 Comment
  RSA714638  Poa bulbosa Daisie Huang 2006-4-15 6041505 Tehama Manton Rd. Flat open plateau 204 Comment
  UC450475  Poa bulbosa Morris Halperin 1931-4-27 323 Tehama R. W. Hanna's Rnach Red Bluff Comment
  UCD90670  Poa bulbosa Morris Halperin 1931-4-27 324 a Tehama Red Bluff. R. W. Hanna's Ranch. Comment
  CAS-BOT-BC255059  Poa compressa John Thomas Howell 1960-8-18 36008 Tehama Mineral 1493 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
  UCD91873  Poa pratensis Beecher Crampton 1954-6-16 1979 Tehama 1 mile south of Howell Saddle, Crane Mills logging road, Mendocino National Forest-Paskenta District. 1828 Comment
  CHSC32156  Poa pringlei James Jokerst 1980-8-22 1109 Tehama North Coast Ranges. Near Mt. Linn. Comment
  JEPS76263  Poa pringlei Todd Keeler-Wolf 1977-9-10 666 Tehama near summit Mt Linn; S Yolla Bolly Mts 2453 Comment
  UCD90318  Poa secunda A. A. Beetle 1942-5-19 3281 Tehama 33 miles W of Red Bluff on Rt. 36. Button Canyon Experimental Plot. Comment
  CHSC64584  Poa secunda subsp. secunda Vernon H. Oswald; Lowell Ahart 1995-4-3 6592 Tehama Cascade Range Foothills. Dales Lake Ecological Reserve. W side of Manton Rd. (A6) ca. 2 mi n of Dales Station on Hwy. 36, ca. 14 mi ne of Red Bluff. On top of the ridge crossing the nw corner of the reserve. 201 Comment
  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
  CHSC77635  Poa secunda subsp. secunda Heidi West; Caroline Warren, Julie Cunningham 1998-4-27 Tehama Vicinity of Red Bank Creek and The Narrows. 243 Comment
  CHSC89014  Poa secunda subsp. secunda Pat Sater 2001-4-29 Tehama Tehama Wildlife Area. 500 yds south of Grapevine Creek Slab on Powerline Road. UTM: 10 05992930 E, 4449270 N. 621 Comment
  UC1019553  Poa secunda subsp. secunda Louise Kellogg 1952-7-17 81 Tehama S Yolla <Bolly> Mt Middle Eel-Yolla <Bolla> Primitive Area; North Coast Ranges, Mendocino Nat'l Forest 2438 Comment
  CHSC27827  Pogogyne zizyphoroides A. K. Bos 1978-4-14 13 Tehama Ca. 10 mi ne of Red Bluff. 140 Comment
  CHSC67233  Pogogyne zizyphoroides James D. Jokerst 1983-5-7 1736 Tehama On the Wurlitzer Ranch ca. 50 m E of Meridian Rd. just S of its jcn with Lassen Rd. 103 Comment
  JEPS88115  Pogogyne zizyphoroides Vernon H. Oswald and Lowell Ahart 1996-4-29 7472 Tehama nw of Corning (DCFG parcel on s side of Gyle Road, nw side of Sacramento Valley, near w boundary of Thomes Creek Ecological Reserve); Thomes Creek Ecological Reserve, Sacramento Valley 103 Comment
  RSA0022169  Pogogyne zizyphoroides P. A. Munz 1949-5-14 13203 Tehama 7 miles south of Corning Comment
  SEINET12332640  Pogogyne zizyphoroides Unknown 1982-1 447 Tehama Just S of Lassen Roadl T24N R1W, S central Section 21 68 Comment
  SBBG119806  Polemonium occidentale L. Ahart 2006-7-25 13069 Tehama ca. 0.5 N of dirt rd crossing of Colby Crk, ca. 2 air mi SE of Colby Mtn, ca. 5 air mi NE of Butte Meadows 1564 Comment
  JEPS75812  Polemonium pulcherrimum subsp. pulcherrimum Todd and Virginia Keeler-Wolf 1971-7-24 365 Tehama summit North Yolla Bolly Mountain 2395 Comment
  CHSC79984  Polycarpon tetraphyllum L. P. Janeway 2000-5-16 6735 Tehama Vicinity of Rice Creek, west of Hwy I-5. 76 Comment
  CHSC84663  Polygonum bidwelliae Samantha Mackey Hillaire; Brian Elliott 2003-5-31 11632 Tehama Lassen National Forest, Ishi Wilderness. Rancheria Creek Trail, a flat place in between the fork in the trail on a generally S facing slope. Right between the junction of the 2 branches of the trail; also on the trail north of this split. 742 Comment
  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
  UC465750  Polygonum bidwelliae Mrs. C. M. Wilder 1912-6-16 Tehama foothills e Tehama Comment
  UCD77949  Polygonum bidwelliae Robert E. Preston 2000-5-28 1352 Tehama On n-facing slope between Hog Lake and Paynes Creek. 213 Comment
  UC402684  Polygonum bistortoides W. P. Taylor 1913-8-2 Tehama 2 mi s Yolla Bolly Mt. Comment
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Jul 5 2009
  UC54223  Polygonum bistortoides H. M. Hall and E. B. Babcock Jul 1 1903-Jul 2 1903 4331 Tehama near Morgan; Mount Lassen, Mill Creek Canyon 1524 Comment
  CHSC66575  Polygonum bolanderi Vernon H. Oswald; Lowell Ahart 1996-7-8 7984 Tehama Hog Lake Plateau. BLM parcel along Hwy. 36 NE of Red Bluff. Common perennial in thin soil on dry, rocky slopes bordering Paynes Creek at the former bridge site at the W end of the gravel road. 97 Comment
  CHSC79078  Polygonum bolanderi L. P. Janeway 2000-6-30 6872 Tehama Inner North Coast Ranges. About 1.3 km north of Round Mountain and about 2.1 km west of Eagle Peak. 1073 Comment
  UC769839  Polygonum bolanderi R. F. Hoover 1940-9-22 4623 Tehama ridges above Paine Creek Comment
  UCD80665  Polygonum bolanderi CNPS SN Foothill Team 2005-6-29 SNNR 0374 d Tehama USFS, Lassen National Forest, west of Steep Hollow. 1023 Comment
  CHSC41075  Polygonum californicum Pauleen Broyles 1982-6-14 732 Tehama The Nature Conservancy Vina Plains Preserve. Ca 300 m. sw of farmhouse on Lassen Road. 68 Comment
  CAS-BOT-BC414608  Polygonum douglasii Alice Eastwood; John Thomas Howell 1941-7-9 9820 Tehama Government Flat Comment
  SEINET11938911  Polygonum douglasii F. W. Hoffman 1947-1 1592 Tehama Government Flat, SW Tehama Co 797 Comment
  CHSC102803  Polygonum douglasii subsp. douglasii Lowell Ahart; John Dittes, Josephine Guardino 2009-8-27 16322 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
  UC127341  Polygonum douglasii subsp. spergulariiforme H. M. Hall and E. B. Babcock Jul 1 1903-Jul 2 1903 4336 Tehama near Morgan; Mount Lassen, Mill Creek Canyon 1524 Comment
  CAS-BOT-BC418532  Polygonum minimum John Thomas Howell 1943-8-8 19195 Tehama Anthony Peak Comment
  RSA40221  Polygonum minimum J. T. Howell 1943-8-8 19195 Tehama Anthony Peak Comment
  CAS-BOT-BC418533  Polygonum minimum P. A. Munz 1951-7-25 16870 Tehama 1 mi. e. of Square Lake, South Yolla Bolly Mts. 2133 Comment
  RSA768932  Polygonum punctatum L. Ahart, John Dittes 2010-10-4 17285 Tehama Along Toomes Creek, Toomes Creek at Tehama-Vina Road crossing, 1.2 air miles east of the Sacramento River, 3.4 air miles southeast of Los Molinos (High School), 3 air miles northwest of Vina. 58 Comment
  JEPS122046  Polypogon interruptus Lowell Ahart, John Dittes 2014-5-18 19515 Tehama On the south 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
  CHSC81339  Polypogon maritimus Caroline Warren; Beth Hendrickson 1999-6-16 Tehama Vicinity of upper Salt Creek. 289 Comment
  JEPS88117  Polypogon maritimus Vernon H. Oswald and Lowell Ahart 1996-4-29 7498 Tehama n.w. Corning (CDFG parcel on s. side of Gyle Rd., ca. 0.3 mi. e. of the w. boundary, Thomes Creek Ecological Reserve); n.w. Sacramento Valley, Thomes Creek Ecological Reserve 102 Comment
  UCR119038  Polypogon maritimus Beecher Crampton 1954-6-16 1962 Tehama 0.5 mile east of Paskenta along Thomes Creek. 320 Comment
  CHSC80724  Polypogon monspeliensis Lowell Ahart 2001-6-8 8804 Tehama On the west side of road M2, about 9 miles west of Paskenta. 792 Comment
  JEPS104129  Polypogon monspeliensis Lowell Ahart 2003-6-11 10278 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
  HSC75396  Polystichum imbricans J. O. Sawyer, K. A. Sawyer 1980-6-18 3560 Tehama Humboldt Trail W of Long Ridge Trail 1829 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
  CHSC68798  Polystichum imbricans subsp. imbricans Vernon Oswald; Lowell Ahart 1997-6-10 8550 Tehama Between Paskenta and Covelo on M2 (23N69) 0.9 mi west of its junction with M4, between Sugar Spring and Government Flat campgrounds. 1737 Comment
  CHSC90890  Polystichum munitum Niall McCarten; Roxanne Bittman 1986-6-15 5459 Tehama Mendocino National Forest; North Coast Ranges; Thomes Creek Watershed. 'Ovenlid,' S side Rd. 25N29. 2011 Comment
  CAS-BOT-BC102407  Populus fremontii L. E. Smith 1913-4-13 626 Tehama Red Bluff Comment
  CHSC115543  Porterella carnosula Lowell Ahart; John Dittes, Josephine Guardino, Steve Green 2015-7-31 20405 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
  SEINET10460775  Porterella carnosula Grinnell 1928-6-30 GRINNELL s.n. Tehama Dry lake bed near Pine Flat on Viola road 1890 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
  CHSC41082  Potamogeton diversifolius Pauleen Broyles 1982-5-4 521 Tehama The Nature Conservancy Vina Plains Preserve. In an irrigation ditch in w pasture. 62 Comment
  CHSC54029  Potamogeton diversifolius Vernon H. Oswald; Lowell Ahart 1991-5-9 4561 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. In an impoundment located ca. 0.5 mi south-southeast of the entrance kiosk. 112 Comment
  JEPS117687  Potamogeton diversifolius Lowell Ahart, John Dittes 2010-7-17 16842 Tehama In pond, Soap Creek Ranch, about 4.8 miles (air) southeast of Manton, about 2 miles (air) north of Highway 36 812 Comment
  JEPS116012  Potamogeton foliosus var. foliosus Lowell Ahart, Josephine Guardino 2009-9-6 16362 -A Tehama East of the enclosure, 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
  RSA768020  Potamogeton natans Lowell Ahart, John Dittes 2010-7-17 16843 Tehama Bare strand of pond, Soap Creek Ranch, about 4.8 air miles southeast of Manton, about 2 air miles north of Highway 36. 813 Comment
  CAS-BOT-BC540580  Potentilla gracilis var. fastigiata David D. Keck 1930-7-24 963 Tehama Mineral, Sierra Nevada 1524 Comment
  CHSC57830  Potentilla millefolia Vernon H. Oswald 1992-4-14 4898 Tehama Deer Creek Meadow bordering Hwy. 32 just N of Gurnsey Creek Bridge. On W side of road. 1386 Comment
  CAS-BOT-BC163065  Prunus emarginata Hans Leschke 1960-8-8 1722 Tehama Near Noble Pass - Lassen Volcanic National Park 1828 Comment
  JEPS44952  Prunus emarginata Jos. Grinnell 1925-6-15 Tehama Mineral 1493 Comment
  RSA123634  Prunus emarginata G. D. Barbe 1955-7-16 198 Tehama On the E ridge leading to the summit of S Yolla Bolly (Mt. Linn) 2317 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
  UC466759  Prunus emarginata W. P. Taylor 1913-8-1 Tehama 2 mi s of South Yolla Bolly Mountain Comment
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Jul 5 2009
  CHSC75300  Prunus subcordata Vernon H. Oswald; Lowell Ahart 1999-4-21 9696 Tehama High Trestle-McClure Place Trail starting on Hogback Road ca. 0.5 mi northeast of Finley Lake. Along upper section of trail. 822 Comment
  JEPS105927  Pseudognaphalium luteoalbum Lowell Ahart, Samantha Mackey Hillaire 2004-7-9 11205 Tehama Seep on the north side of the Mill Creek Trail (4E10), north of Mill Creek, about 3/4 mile west of the Black Rock, Black Rock Campground, and Ponderosa Way (Forest Road 28N29), about 26 miles (air) east of Red Bluff 655 Comment
  CHSC66040  Pseudognaphalium stramineum Vernon H. Oswald; Lowell Ahart 1996-5-6 7513 Tehama Hog Lake Plateau. Cascade Range Foothills. BLM parcel along Hwy. 36 NE of Red Bluff. By stream at this location. 182 Comment
  CHSC44202  Pseudostellaria jamesiana Vernon Oswald 1988-6-27 3528 Tehama Trail between Ides Cove Trailhead and 25N16 along the e side of the Yolla Bolly-Middle Eel Wilderness w of Paskenta. 2133 Comment
  UC1002621  Pseudostellaria jamesiana Milo S. Baker and H. K. Wagnon 1953-7-12 12896 Tehama 5.3 mi above Whitlock Camp (county road, West Tehama County) 1828 Comment
  UC1245159  Pseudostellaria jamesiana J. M. Tucker 1959-7-19 3576 Tehama ca 1 mi e Square Lake (beside trail, n side of South Yolla Bolly Mountain); n side of South Yolla Bolly Mountain, e of Square Lake 2133 Comment
  RSA49237  Psilocarphus brevissimus P. A. Munz 1949-5-14 13206 Tehama 7 miles south of Corning. Comment
  CAS-BOT-BC361815  Psilocarphus brevissimus var. brevissimus L. P. Janeway; Heidi West 1993-5-21 4352 Tehama Southwest side of Hwy 99, 1.0 mi southeast of Lassen Road. Within the road right-of-way fence 65 Comment
  CAS-BOT-BC361816  Psilocarphus brevissimus var. brevissimus L. P. Janeway; Heidi West 1993-5-21 4351 Tehama Southwest side of Hwy 99, 0.8 mi southeast of Lassen Road. Within the road right-of-way fence 64 Comment
  CHSC61952  Psilocarphus brevissimus var. brevissimus L. P. Janeway; Heidi West 1993-5-21 4352 Tehama Southwest side of Hwy 99, 1.0 mi southeast of Lassen Road. Within the right-of-way fence. 65 Comment
  CHSC79961  Psilocarphus brevissimus var. brevissimus L. P. Janeway; B. Castro 2000-5-11 6719 Tehama Vicinity of Rice Creek, west of Hwy I-5. 89 Comment
  JEPS16182  Psilocarphus brevissimus var. brevissimus Rimo Bacigalupi, Arthur Holmgren 1950-4-24 3131 Tehama 8 mi ne Flourney (along Paskenta Road, western Tehama County) Comment
  CHSC86054  Psilocarphus oregonus Jenny Marr; Caroline Warren 1998-4-28 Tehama Vicinity of upper North Fork Stony Creek, Newville Road, and Round Valley Road. 243 Comment
  JEPS88381  Psilocarphus oregonus Vernon H. Oswald and Lowell Ahart 1996-4-15 7365 Tehama CDFG parcel on s side of Gyle Rd. nw Corning (nw side of Valley, on bed of vernally flooded drainage on s side of intermittent stream ca. 0.1 mi e of lane); Sacramento Valley, Thomes Creek Ecological Reserve 103 Comment
  CHSC79690  Psilocarphus tenellus var. globiferus L. P. Janeway; B. Castro 2000-4-4 6654 Tehama Vicinity of Brannin Creek and Rice Creek, west of Hwy I-5. 124 Comment
  CHSC79964  Psilocarphus tenellus var. globiferus B. Castro; L. P. Janeway 2000-5-11 1168 Tehama Vicinity of Orland and Black Butte Lake. 88 Comment
  CHSC35523  Ptelea crenulata John Heywood; D. H. Norris 1968-3-31 1881 Tehama Hwy. 36, ca. 53 miles east of Shasta Co. line. Comment
  UC159112  Ptelea crenulata Annie M. Alexander 1911-4-22 Tehama Tuscan Springs Comment
  UC2031493  Pteridium aquilinum var. pubescens Barbara Ertter with Brad Olson 1991-7-6 10355 Tehama Rocky Cabin meadow ca 1 mi S of Ball Rock, 1 mi SE of Cold Spring Forest Station, ca 30 air miles W of Corning Comment
  CHSC92802  Pterostegia drymarioides John Dittes; Josephine Guardino 2005-5-11 1111 Tehama Northern Sacramento Valley; south bank of Mill Creek; ca. 0.3 mile east of confluence with Sacramento River; gravel bar in active channel of Mill Creek. 64 Comment
  JEPS88301  Pterostegia drymarioides Vernon H. Oswald and Lowell Ahart 1996-5-20 7575 Tehama Hwy. 36 n.e. of Red Bluff (BLM parcel along Hwy. 36, ne.e end of parcel, Hog Lake Plateau); Cascade Range Foothills, Hog Lake Plateau 182 Comment
  UC1553507  Pyrola picta E. Dean 1988-8-2 162 Tehama S of Round Mtn. S side of Forest Rd. 35 at turnoff to Red Mtn. 1706 Comment
  CHSC86551  Quercus berberidifolia Jenny Marr; Heidi West, Caroline Warren 1998-5-20 Tehama Vicinity of South Fork Cottonwood Creek and Pettyjohn Road. 426 Comment
  CHSC86983  Quercus chrysolepis Jenny Marr; Heidi West, Caroline Warren, Natalie Wight 1998-7-9 Tehama Vicinity of Red Bank Creek and Sunflower Gulch. Near creek. 289 Comment
  UCD45393  Quercus chrysolepis W. L. Jepson 1929-9-30 15335 Tehama Manton, c. 2500 ft. 762 Comment
  JEPS38013  Quercus douglasii W. L. Jepson 1929-9-30 15336 Tehama below Manton (e Tehama Co.); Macum 365 Comment
  JEPS38016  Quercus douglasii W. L. Jepson 1929-9-30 15334 Tehama w of Manton (e Tehama Co.); Macum 396 Comment
  CHSC29524  Quercus durata Dibble; Griggs 1979-8-16 177 Tehama Near Round Mountain, close to the town of Paskenta. 1218 Comment
  RSA96787  Quercus durata Percy C. Everett, E. K. Balls 1954-10-15 20311 Tehama 5.5 mi. s.w. of Paskenta on Paskenta to Covelo Rd. 549 Comment
  HSC71863  Quercus durata var. durata Thomas W. Nelson, Jane P. Nelson 1980-6-22 5786 Tehama Along road to Wells Creek Campground, 1 mi. SE of Tedoc Gap 1311 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
  RSA702980  Quercus garryana var. semota L. P. Janeway, B. Castro 2004-5-30 8121 Tehama High Cascade Range. Slope above unnamed tributary from south into Deer Creek; 33 m above Road 27N08 (road from Hwy 32 across Deer Creek toward Onion Butte), 2.3 road km east of major hairpin turn where road starts dropping into the canyon. 1000 Comment
  UCD46164  Quercus garryana var. semota P. L. Johannses 1936-8-28 1004 Tehama 1/4 mile north of of the junction of Panther and Deer Creeks. 914 Comment
  UCSB22231  Quercus kelloggii McMinn, H. 1941-8-28 Tehama Child's Meadows 0.5 mile from junction highways 89 and 299, toward Alturas Comment
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May 24 2009
  SEINET10838986  Quercus vacciniifolia Mary Susan Taylor 1977-8-17 Taylor 1470 Tehama Rocky mountain peak above Chaparral; abundant on N side of Old Humboldt Road above Jonesville, ca. 3 mi E of its junction with Scotts John Road, just a few feet N of Butte County border. 1829 Comment
  HSC8309  Quercus wislizeni L. T. Gault 1964-3-23 7 Tehama Near Mill Creek Bridge, 99E Hwy. Comment
  CHSC78815  Rafinesquia californica Julie Cunningham; Natalie Wight 1998-5-19 Tehama Vicinity of North Fork Stony Creek and Rocky Ridge. 274 Comment
  JEPS90950  Raillardella scaposa Dean Wm. Taylor with Glenn L. Clifton 1992-8-22 13205 Tehama se slope in the head of unnamed creek draining to Spencer Meadow (near the Plumas County line, Mount Conard); Sierra Nevada, Mount Conard 2392 Comment
  CAS-BOT-BC379474  Ranunculus alismifolius C. R. Quick 1950-6-17 50 -28 Tehama adjacent to Mill Creek Meadow, west of Gurnsey Camp Ground, Lassen National Forest Comment
  CHSC57829  Ranunculus alismifolius var. lemmonii Vernon H. Oswald; Lowell Ahart 1992-5-6 4938 Tehama SW edge of Hwy. 36 (between the highway and the fence line) immediately S of Wilson Lake Rd. (County Rd. 769, Forest Rd. 29N63), between Gurnsey Creek Campground and Childs Meadows. Border of a meadow. 1484 Comment
  SEINET5718539  Ranunculus aquatilis Shirley C. Tucker 1964-1 5999 Tehama Manzanita Lake, Lassen Park.; Manzanita Lake Comment
  CHSC79350  Ranunculus aquatilis var. hispidulus B. Castro; L. P. Janeway 2000-4-4 1081 Tehama Vicinity of Orland, W of Highway I-5. 118 Comment
  CHSC66499  Ranunculus arvensis Vernon H. Oswald; Lowell Ahart 1996-5-20 7582 Tehama Cascade Range Foothills. Hog Lake Plateau. BLM parcel along Hwy. 36 NE of Red Bluff. On the bank of an intermittent stream at the northeast end of the parcel. 182 Comment
  JEPS88510  Ranunculus canus Vernon H. Oswald, Lowell Ahart, and Joe Molter 1996-3-25 7259 Tehama BLM parcel along Hwy. 36 ne of Red Bluff (bordering Paynes Creek in ne corner of parcel, Cascade Range Foothills, Hog Lake Plateau); Cascade Range Foothills, Hog Lake Plateau, Paynes Creek 152 Comment
  CHSC53978  Ranunculus hebecarpus Vernon H. Oswald; Lowell Ahart 1991-4-16 4506 Tehama Red Bank Rd, 2.1 mi north of Colyear Springs Rd, north of Paskenta. Along an intermittent streamlet. 286 Comment
  UCR265164  Ranunculus hebecarpus Barbara Ertter 1991-5-18 9828 Tehama Rosewood Ranch on Salt Creek c. 17 air miles west-northwest of Red Bluff, c. 1/2 mi south of Hwy 36 along creek 229 Comment
  SEINET12093973  Ranunculus muricatus Unknown 1982-1 488 Tehama T24N, R1W, S27. The Nature Conservancy Vina Plains Preserve Comment
  HSC18164  Ranunculus occidentalis var. ultramontanus Louise Kellogg 1952-7-13 36 Tehama Mendocino National Forest, near Ovenlid at start of trail to Square Lake and S Yolla Bolly Mtn. 1768 Comment
  JEPS60713  Ranunculus orthorhynchus var. orthorhynchus W. L. Jepson 1927-6-24 12330 Tehama Mineral 1524 Comment
  CHSC65917  Raphanus raphanistrum Vernon H. Oswald; Lowell Ahart 1996-4-15 7385 Tehama Northwest side of Sacramento Valley. Thomes Creek Ecological Reserve. CDFG parcel on the S side of Gyle Rd. NW of Corning. At the W boundary ca. 0.1 mi S of Gyle Rd. 103 Comment
  CAS-BOT-BC55831  Rhamnus C. H. M. s.n. Tehama Mecum Creek, NW of Inskip Hill Comment
  UC54505  Rhamnus rubra H. M. Hall and E. B. Babcock 4404 Tehama near Morgan; Mount Lassen, Mill Creek Canyon 1524 Comment
  RSA748475  Rhamnus tomentella subsp. crassifolia K. M. Meyer, A. Townesmith 2007-8-4 193 Tehama Mendocino National Forest. 36 mi. on county highway A9, west of Corning, A9 turning into Round Valley Road, Forest Service Rd. M4, Thomes Gorge Trailhead (10 mi. after the town of Paskenta). 617 Comment
  CHSC64920  Rhamnus tomentella subsp. tomentella Vernon H. Oswald; Lowell Ahart 1995-6-13 68568 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. Single shrub ca. 15 dm growing on an outcrop along the s side of the basalt ridge crossing the ne corner of the reserve. 225 Comment
  JEPS41978  Rhamnus tomentella subsp. tomentella W. L. Jepson 1938-6-10 18984 Tehama 2 mi n Jelly Ferry; Sacramento River 121 Comment
  RSA7861  Rhamnus tomentella subsp. tomentella Carl B. Wolf 1928-9-3 3434 Tehama 1 mile above Payne's Creek on the Red Bluff, Susanville road. 655 Comment
  CAS-BOT-BC58156  Rhododendron columbianum Marion Ownbey; Ruth P. Ownbey 1938-7-16 1745 Tehama Near Dry Lake, 7 mi. n. of Mineral on Viola Road. Comment
  CHSC64971  Rhododendron occidentale Vernon H. Oswald; Lowell Ahart 1995-7-12 7023 Tehama W of Red Bluff and S of Platina on Forest Road 28N05 (E side of Tedoc Mtn.), 3.2 mi SE of Forest Route 45. 1402 Comment
  CHSC87319  Rhus aromatica Lowell Ahart 2004-4-29 10814 Tehama Along the Nomalaki Trail, about 1/4 mile by trail southwest of Dead Rabbit Lake, about 1 mile northwest of Bowers Creek, about 1 3/4 miles northwest of Forest Road 23N69 (Mud Flat Road), about 7 miles (air) southwest of Paskenta. 597 Comment
  CHSC44234  Ribes binominatum Vernon Oswald 1988-6-27 3530 Tehama Trail between Ides Cove Trailhead and 25N16 along the e side of the Yolla-Bolly-Middle Eel Wilderness w of Paskenta. 2133 Comment
  UC1037364  Ribes binominatum Douglas Barbe 1955-7-16 171 Tehama e ridge leading to the summit South Yolla Bolly (Mt. Linn) 2286 Comment
  JEPS94984  Ribes lacustre Vernon Oswald and Lowell Ahart 1997-7-7 8714 Tehama 0.4 mi w of Rat Trap Gap (Forest Route 35 at a branch of the South Fork Beegum Creek, n side of the Yolla Bolly Middle Eel Wilderness); Yolla Bolly Middle Eel Wilderness, South Fork Beegum Creek 1706 Comment
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Jan 4 2007
  CAS-BOT-BC168885  Ribes lobbii John Thomas Howell; Alice Eastwood 1941-7-9 9719 Tehama Log Spring Ridge between Log Spring and Government Flat Comment
  CHSC105917  Ribes lobbii B. Castro; L. P. Janeway 1999-8-23 1034 U 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
  HSC20316  Ribes lobbii Louise Kellogg 1952-7-10 15 Tehama Near Squaw Camp and Pole Corral on Boswell Ridge S of Yolla Bolly Mtn. 2134 Comment
  UC1299688  Ribes lobbii Freed W. Hoffman 1947-6-23 1599 Tehama near Government Flat 796 Comment
  CAS-BOT-BC168886  Ribes lobbii John Thomas Howell; Alice Eastwood 1941-7-9 9834 Tehama Near Government Flat Comment
  RSA0021138  Ribes lobbii Alice Eastwood, J. T. Howell 1941-7-10 9878 Tehama Anthony Peak. Comment
  RSA0021140  Ribes lobbii G. D. Barbe 1955-7-22 237 Tehama Approx. 500 ft. from the Jeep road, west of Oven Lid, on the trail to Square Lake. 2073 Comment
  JEPS49345  Ribes malvaceum W. L. Jepson 1899-4-26 13502 Tehama Greasewood Hills Yolla Bolly Mountains Comment
  JEPS49399  Ribes montigenum Jos. Grinnell 1925-7-27 Tehama Brokeoff Mt. 2743 Comment
  CAS-BOT-BC212663  Ribes nevadense Saichi Kawahara 1968-5-5 401 Tehama Highway 32, 4 miles SW of Highway 36, at Deer Creek 1396 Comment
  CHSC56300  Ribes nevadense K. R. Stern 1986-5-21 8279 Tehama Deer Creek Meadows, 1 mi SE of jct hwys 32 and 36. 1402 Comment
  UCSB63966  Ribes roezlii Jokerst, James 1983-4-2 Tehama Wurlitzer Ranch on Pine Creek 1.5 mi E of Meridian Rd; S of (below) the first ridge; S of Pine Creek in area of Native American Shelters: T23N R1E center SW'/i Sect. 26 441 Comment
  CAS-BOT-BC186079  Ribes roezlii var. roezlii C. R. Quick 1953-7-30 53 -130 Tehama 19 miles ne. of Chico Comment
  CHSC102245  Rigiopappus leptocladus L. P. Janeway; B. Castro 2009-4-25 9737 Tehama Cascade Range Foothills. Tehama Wildlife Area; along Powerline Road near the Shaw Creek Bridge over an un-named northeastern fork of Shaw Creek. 518 Comment
  CHSC68576  Rigiopappus leptocladus Vernon H. Oswald; Lowell Ahart 1997-5-14 8414 Tehama Plum Creek Rd. 0.1 mi west of Hogback Rd., southeast of the town of Paynes Creek. 969 Comment
  JEPS105904  Rigiopappus leptocladus Lowell Ahart, John Dittes, Josephine Guardino 2004-4-15 10743 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
  JEPS34847  Rigiopappus leptocladus W. L. Jepson 1899-4-27 Tehama Stivers' Ranch 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
  UC1019901  Rigiopappus leptocladus Milo S. Baker and H. K. Wagnon 1953-5-30 12603 Tehama w of, near 6 mi post, logging rd Paskenta Comment
  JEPS90361  Rorippa curvisiliqua Dean W. Taylor 1972-6-17 Tehama Tedoc Mountain; border of small vernal pool 1371 Comment
  CAS-BOT-BC74723  Rorippa curvisiliqua Blanche Clear 1938-7-14 s.n. Tehama South entrance to Lassen Park. Comment
  CAS-BOT-BC74726  Rorippa curvisiliqua Clare B. Hardham 1971-8-10 18341 Tehama South Yolla Bolly Mountain. Dry Lake. Road to Red Bluff. 1691 Comment
  JEPS110077  Rorippa curvisiliqua var. orientalis Lowell Ahart 2006-7-19 13040 Tehama Depression in the abandoned logging road, about 150 yards northeast of where the dirt road crosses Colby Creek, about 2 miles (air) southeast of Colby Mountain, about 5 1/8 miles (air) northeast of Butte Meadows 1540 Comment
  CDA26256  Rosa gymnocarpa L. Ahart 2001-8-28 9182 Tehama 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. Comment
  CHSC68597  Rosa gymnocarpa Vernon H. Oswald; Lowell Ahart 1997-5-14 8441 Tehama Between Paynes Creek and Cohasset on Ponderosa Way (Forest Rd. 28N29) 11 mi south of Plum Creek Rd., 1.5 mi west of the bridge on the South Fork Antelope Creek. Roadside bank. 975 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
  POM353037  Rostraria cristata L. C. Wheeler 1935-5-23 3519 Tehama 9 miles E of Newville on Orlando-Newville Road. 122 Comment
  RSA93465  Rostraria cristata Milo S. Baker, H. K. Wagnon 1953-5-31 12711 Tehama Logging road west of Paskenta near 5 mi. post. Comment
  CDA3946  Rubus armeniacus L. Ahart, J. Dittes 2003-6-11 10256 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
  CHSC66206  Rubus armeniacus Vernon H. Oswald; Lowell Ahart 1996-6-3 7710 .2 Tehama Cascade Range Foothills. Hog Lake Plateau. BLM parcel along Hwy. 36 NE of Red Bluff. Along Paynes Ceek ca. 0.5 mi downstream from the old bridge site. 100 Comment
  CAS-BOT-BC421409  Rumex J. T. Howell; T. C. Fuller; G. D. Barbe 1980-5-21 53575 Tehama Just south of Red Bluff on shoulder of southbound lanes of Interstate 5 just north of Diamond Ave. exit 79 Comment
  UC54228  Rumex acetosella H. M. Hall and E. B. Babcock Jul 1 1903-Jul 2 1903 4384 Tehama near Morgan; Mount Lassen, Mill Creek Canyon 1524 Comment
  CAS-BOT-BC421890  Rumex acetosella John Thomas Howell 1960-8-20 36265 Tehama Near Lassen Volcanic National Park. Morgan 1463 Comment
  CHSC41077  Rumex crispus Pauleen Broyles 1982-6-24 769 Tehama The Nature Conservancy Vina Plains Preserve. Muddy bank of irrigation ditch in e pasture. 66 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
  UC980587  Sagina apetala Milo S. Baker 1953-4-26 12542 Tehama 5 mi. w. Paskenta (along rd. of Crane Lumber Co.) Comment
  CHSC102638  Sagina procumbens Lowell Ahart; Josephine Guardino 2009-9-6 16363 Tehama South of the enclosure, along a small stream that flows 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
  JEPS123920  Sagina procumbens Lowell Ahart, John Dittes 2015-8-6 20491 Tehama West side of Childs Meadow, 0.67 air miles west of intersection of State Highway 36 and Wilson Lake Road (County Road 769), 1.21 air miles southeast of Doe Mt., 10.41 air miles south of Lassen Peak. Comment
  UC1019904  Sagina saginoides Milo S. Baker and H. K. Wagnon 1964-7-11 12964 Tehama 6.1 mi. above Whitlock Camp (near county rd.); w. Tehama Co. 1828 Comment
  JEPS96616  Sagittaria cuneata Dean W. Taylor 1997-6-25 16094 Tehama Diamond Lake; Lassen National Forest 1920 Comment
  CAS-BOT-BC445653  Sagittaria cuneata Mary Strong Clemens 1920-9-9 s.n. Tehama Kirkwood Comment
  CHSC65135  Sagittaria sanfordii Vernon H. Oswald; Lowell Ahart 1995-7-31 7152 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. In Dales Lake. 213 Comment
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Dec 16 2014
  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
  RSA90599  Salix breweri Keith Wagnon 1953-5-10 12624 Tehama Below logging road. W of Paskenta. Collected between the 9 and 10 mile posts. Comment
  CHSC108079  Salix eastwoodiae B. Castro; L. P. Janeway 2000-6-11 1286 Tehama Inner North Coast Ranges. E-facing slope below Raglin Ridge Rd, near the top of Raglin Ridge, around the lower edge of Pepperwood Spring. 896 Comment
  POM209491  Salix exigua Carleton R. Ball, Emily Smith, H. P. Bracelin 1932-7-23 652 Tehama Payne Creek. 13 miles E of Red Bluff. Comment
  SD60243  Salix exigua var. hindsiana A. A. Heller 1926-4-23 I 3927 Tehama Banks of the Sacramento River at the Squaw Hill bridge Comment
  SD891  Salix geyeriana Carleton R. Ball, Mrs. H. P. Bracelin, Beryl Kautz 1931-5-30 378 Tehama South Fork of Battle creek, 1.7 km west of Mineral 1500 Comment
  UC481901  Salix geyeriana C. R. Ball, Mrs. H. P. Bracelin, and Beryl Kautz 1931-5-31 403 Tehama 2 km. e Mineral (S. Fork Battle Creek) 1500 Comment
  UC481995  Salix geyeriana C. R. Ball, Mrs. H. P. Bracelin, and Beryl Kautz 1931-5-30 378 Tehama 1.7 km. w Mineral (S. Fork Battle Creek) 1500 Comment
  RSA0034677  Salix geyeriana subsp. argentea Carleton R. Ball, H. P. Bracelin, Beryl Kautz 1931-5-30 378 Tehama South Fork of Battle Creek, 1.7 km. west of Mineral. 1500 Comment
  CAS-BOT-BC104055  Salix hindsiana C. R. Ball; Emily Smith; Mrs. H. P. Bracelin 1932-7-23 652 Tehama Payne Creek, 13 miles east of Red Bluff Comment
  CAS-BOT-BC104056  Salix hindsiana C. R. Ball; Emily Smith; Mrs. H. P. Bracelin 1932-7-23 652 Tehama Payne Creek, 13 miles east of Red Bluff Comment
  SBBG59103  Salix jepsonii C. R. Ball, E. Smith, Mrs. H. P. Bracelin 1932-7-23 673 Tehama Mt Lassen Hwy, 8 mi NE of Mineral 1981 Comment
  UC600423  Salix lasiandra subsp. lasiandra H. F. Copeland 1931-8-9 Tehama near Mineral Mineral Comment
  CHSC75405  Salix lasiolepis Ben Myhre 1997-4-14 11 Tehama Dye Creek Preserve, 8 miles north of Los Molinos. About 1/4 mile west of the mouth of Dye Creek Canyon. 106 Comment
  CAS-BOT-BC128324  Salix lasiolepis var. lasiolepis John Thomas Howell 1944-7-14 19766 Tehama Anthony Peak, east side Comment
  CAS-BOT-BC124925  Salix lemmonii C. R. Ball; Emily Smith; Mrs. H. P. Bracelin 1932-7-23 681 Tehama Mt. Lassen Highway, 8 miles northeast of Mineral 2042 Comment
  CAS-BOT-BC124926  Salix lemmonii C. R. Ball; Emily Smith; Mrs. H. P. Bracelin 1932-7-24 687 Tehama Mt. Lassen Highway, 0.6 mile north of Sulphur Works Checking Station. Lassen Volcanic National Park 1981 Comment
  CHSC115518  Salix lemmonii Lowell Ahart; John Dittes, Josephine Guardino, Steve Green 2015-7-31 20409 Tehama Meadow, at the west edge 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
  JEPS124072  Salix lemmonii Lowell Ahart, John Dittes 2015-8-5 20443 Tehama East side of Childs Meadow, 30 yards west of Highway 36, 0.69 air-miles northwest of intersection of State Highway 36 and Wilson Lake Road (County Road 769), 1.2 air-miles east of Doe Mountain, 9.77 air-miles south of Lassen Peak. Comment
  LA208894  Salix lemmonii C. R. Ball; Mrs. H. P. Bracelin, Beryl Kautz 1931-5-31 400 Tehama Sierra Nevada, S Fork of Battle Creek, 2 km E of Mineral 1500.0 Comment
  POM219003  Salix lemmonii Carleton R. Ball, H. P. Bracelin, Beryl Kautz 1931-5-30 377 Tehama S Fork of Battle Creek. 1.7 km W of Mineral 1500 Comment
  POM362832  Salix lemmonii Carleton R. Ball, H. P. Bracelin, Beryl Kautz 1931-5-30 374 Tehama S Fork of Battle Creek. 1.7 km W of Mineral 1500 Comment
  SBBG54687  Salix lemmonii C. R. Ball, E. Smith, Mrs. H. P. Bracelin 1932-7-24 684 Tehama Mt Lassen Hwy 0.6 mi N of Sulphur Works Checking Station 2042 Comment
  SD951  Salix lemmonii Carleton R. Ball, Mrs. H. P. Bracelin, Beryl Kautz 1931-5-30 374 Tehama South Fork of Battle Creek, 1.7 km west of Mineral 1500 Comment
  SJSU159  Salix lemmonii C. R. Ball, Emily Smith, Mrs. H. P. Bracelin 1932-7-23 672 Tehama Mt Lassen Hwy, 8 mi NE of Mineral 1981 Comment
  UC481992  Salix lemmonii C. R. Ball, Mrs. H. P. Bracelin, and Beryl Kautz 1931-5-30 380 Tehama 1.7 km. n.e. Mineral (on Mt. Lassen Hwy., S. Fork Battle Creek, at Mill Creek stream crossing); S. Fork Battle Creek 1570 Comment
  UC482005  Salix lemmonii C. R. Ball, Mrs. H. P. Bracelin, and Beryl Kautz 1931-5-30 376 Tehama 1.7 km. w. Mineral (s. side of Hwy., s. of rd. maintenance gravel dump, S. Fork Battle Creek); S. Fork Battle Creek 1500 Comment
  UC525911  Salix lemmonii C. R. Ball, Emily Smith, and Mrs. H. P. Bracelin 1932-7-24 686 Tehama 0.6 mi. n. Sulphur Works Checking Station (Mt. Lassen Hwy.); Lassen Volcanic Nat'l Park 2042 Comment
  UC525925  Salix lemmonii C. R. Ball, Emily Smith, and Mrs. H. P. Bracelin 1932-7-23 681 Tehama 8 mi. n.e. Mineral (Mt. Lassen Hwy.) 2042 Comment
  UC525941  Salix lemmonii C. R. Ball, Emily Smith, Mrs. H. P. Bracelin 1932-7-24 676 Tehama Mt. Lassen highway 8.9 miles from Mineral Lassen Volcanico National Park 2011 Comment
  UCR66566  Salix lemmonii C. R. Ball, Emily Smith, Mrs. H. P. Bracelin 1932-7-23 681 Tehama Mt. Lassen Hwy, 8 miles northeast of Mineral 2043 Comment
  RSA0041841  Salix lemmonii Carleton R. Ball, Emily Smith, H. P. Bracelin 1932-7-23 681 Tehama Mt. Lassen Highway. 8 miles NE of Mineral. 2043 Comment
  LA208846  Salix ligulifolia C. R. Ball; Mrs. H. P. Bracelin, Beryl Kautz 1931-5-30 379 Tehama Sierra Nevada, S Fork of Battle Creek, 1.7 km NE of Mineral, on the Mount Lassen hwy 478 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
  CAS-BOT-BC128235  Salix lucida A. A. Heller 1928-5-30 14587 Tehama Wet meadow at Mineral in the yellow pine belt. 1524 Comment
  POM219083  Salix lucida subsp. lasiandra Carleton R. Ball, H. P. Bracelin, Beryl Kautz 1931-5-30 s.n. Tehama S Fork of Battle Creek. 1.7 km W of Mineral 1500 Comment
  RSA201334  Salix lucida subsp. lasiandra J. T. Howell 1960-8-20 36234 Tehama Morgan. Near Lassen Volcanic National Park. 1463 Comment
  RSA201375  Salix lucida subsp. lasiandra J. T. Howell 1960-8-20 36234 Tehama Morgan. Near Lassen Volcanic National Park. 1463 Comment
  CHSC101390  Salix melanopsis David Isle 1992-7-29 1556 Tehama Mendocino National Forest, Thomes Creek Watershed. Upper Forks Ridge. S of 24N01.2, between 24N02.1 and 24N32 jcts. 1737 Comment
  JEPS104305  Salix melanopsis Lowell Ahart 2003-6-11 10260 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
  SBBG27422  Salix scouleriana C. R. Ball, E. Smith, Mrs. H. P. Bracelin 1932-7-23 671 Tehama Mt Lassen Hwy, 7.9 mi NE of Mineral 1981 Comment
  CDA23489  Salsola tragus J. T. Howell 1960-7-24 36001 Tehama Paynes Creek Comment
  JEPS62664  Salvia columbariae Virginia Long Bailey 1938-4-16 Tehama 5 mi w Paskenta Comment
  HSC73465  Salvia sonomensis Grunert 28 Tehama 5 mi. E of Platina on Hwy. 36 671 Comment
  JEPS96100  Sambucus mexicana Vernon H. Oswald and Lowell Ahart 1996-6-3 7728 Tehama BLM parcel along Hwy 36 ne Red Bluff (0.2 mi se of the old bridge site on Payne Creek); Cascade Range Foothills, Hog Lake Plateau 121 Comment
  SEINET8057941  Sambucus nigra E. R. House 1956-4-27 8 Tehama Along U.S. 90 S of Red Bluff. 457 Comment
  UC912450  Sambucus racemosa var. microbotrys D. Tebbe 1930-4-5 85 Tehama e Red Bluff 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
  JEPS265  Sanicula bipinnata Virginia Bailey 1938-4-16 Tehama 6 mi w Paskenta (along Paskenta-Covelo road) Comment
  UC195450  Sanicula crassicaulis A. A. Heller 1914-4-29 11332 Tehama 8 mi s of Vina (along Pine Creek); Pine Creek Comment
  CDA38522  Sanicula crassicaulis J. C. Carlton & H. D. Metcalf 1975-4-15 s.n. Tehama Del Norte Drive, Cottonwood/Bowman area. 0 Comment
  CHSC83643  Sanicula graveolens L. P. Janeway 2001-4-24 7221 Tehama High Cascade Range. On Monterey Point ridge 0.2 km southwest of Road 29N48, about 4.0 km southwest of Turner Mountain. Southwest trending ridgetop. 1676 Comment
  CHSC62337  Sanicula tuberosa B. Castro; L. Hanson, V. Oswald, R. Fallscheer 1990-5-16 428 a Tehama Ca 100 ft along the entrance road into Potato Patch Campground, at the S edge of the parking lot. 1048 Comment
  UC1563873  Sanicula tuberosa Barbara Ertter 1989-5-3 8445 Tehama ca. 20 air mi sw Chester (e side of Deer Creek, Deer Creek Road (Rte 32) at Milepost 12.00); Deer Creek, Deer Creek Road, Milepost 12.00 975 Comment
  CHSC101181  Saxifraga integrifolia L. P. Janeway 2009-3-28 9680 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. Rocky north-facing slope just above the creek. 518 Comment
  JEPS97457  Saxifraga integrifolia Vernon H. Oswald and L. Ahart 1995-2-13 6480 Tehama Dales Lake Ecological Reserve. T29N R2W NW1/4 NE1/4 Sec. 26, 740 ft, Cascade Range Foothills, W side of Manton Rd. (A6) ca. 1 mi n of Dales Station on Hwy. 36, ca. 14 mi ne of Red Bluff 225 Comment
  CAS-BOT-BC111815  Schoenoplectus heterochaetus Peter Rubtzoff 1978-8-5 9246 Tehama North end of Wilson Lake on south side of Wilson Lake Road 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
  JEPS105187  Schoenoplectus mucronatus Dean W. Taylor 1992-10-8 13263 Tehama Coyote Creek, ca. 5 mi S of Red Bluff at crossing of Rawson Road 97 Comment
  UC149679  Scirpus diffusus H. M. Hall and E. B. Babcock July 1-2, 1903 4382 Tehama near Morgan (Mill Creek Canyon, Mount Lassen); Mount Lassen, near Morgan (Mill Creek Canyon) 1524 Comment
  CHSC66890  Scirpus microcarpus Vernon H. Oswald; Lowell Ahart 1996-9-4 8264 Tehama Hog Lake Plateau. BLM parcel along Hwy. 36 NE of Red Bluff. Cascade Range Foothills. On the edge of Paynes Creek ca. 1 mi upstream from the old bridge site. 131 Comment
  JEPS124077  Scirpus microcarpus Lowell Ahart, John Dittes 2015-8-6 20508 Tehama West side of Childs Meadow, 0.67 air-miles west of intersection of State Highway 36 and Wilson Lake Road (County Road 769), 1.21 air-miles southeast of Doe Mountain, 10.41 air-miles south of Lassen Peak. Comment
  CAS-BOT-BC111121  Scirpus microcarpus Philip Alexander Munz 1951-7-26 16914 Tehama Wet hillside seep in Yellow Pine Forest 2103 Comment
  RSA66621  Scirpus microcarpus Phillip A. Munz 1951-7-26 16914 Tehama South base of South Yolla Bolly Mountains 2104 Comment
  JEPS117680  Scirpus mucronatus Lowell Ahart, John Dittes 2010-7-17 16859 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
  CHSC75342  Scribneria bolanderi Vernon H. Oswald; Lowell Ahart 1999-4-21 9704 Tehama High Trestle-McClure Place Trail starting on Hogback Road ca. 0.5 mi northeast of Finley Lake. 762 Comment
  CHSC96677  Scribneria bolanderi Lowell Ahart; John Dittes, Andrea Craig 2007-5-13 13835 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
  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
  CHSC118392  Scutellaria antirrhinoides Tim Kask 2015-5-6 249 Tehama Antelope Creek, 'McClure Trail'. 10T 0599497/4458244 602 Comment
  CHSC61751  Scutellaria californica Vernon H. Oswald; Lowell Ahart 1993-9-2 5922 Tehama Trail from Ides Cove to Square Lake (9W04) in the South Yolla Bolly Mtns., ca. 20 mi (air) NW of Paskenta. 2103 Comment
  CHSC80216  Scutellaria californica B. Castro; L. P. Janeway, S. Innecken 2000-6-5 1187 Tehama Vicinity of Paskenta, Thomes Creek, and Bowers Creek, on E edge of N-trending cyn of the smaller creek. 304 Comment
  JEPS96103  Scutellaria californica Vernon H. Oswald and Lowell Ahart 1996-6-3 7709 Tehama ne of Red Bluff (along Hwy 36, along Paynes Creek, 0.4 mi downstream from the old bridge site); Hog Lake Plateau, Cascade Range Foothills, Paynes Creek 100 Comment
  RSA66683  Scutellaria californica P. A. Munz 1951-7-26 16946 Tehama Square Lake, N base South Yolla Bolly Pk. 2134 Comment
  CHSC77593  Scutellaria siphocampyloides B. Castro; L. P. Janeway 1999-6-3 952 Tehama About 23 air miles W of Red Bluff, vicinity of Pettyjohn Rd and S. Fork Cottonwood Creek. 359 Comment
  CHSC40727  Sedella pumila Pauleen Broyles 1982-4-23 459 Tehama Just s of Lassen Road. The Nature Conservancy Vina Plains Preserve. 70 Comment
  CAS-BOT-BC417758  Sedella pumila Doris Kildale Gillespie 1930-5-9 9283 Tehama Between Paynes Creek and Mineral on Susanville road Comment
  SFV18537  Sedella pumila M. Oliver 2002-4-6 51 Tehama Near Hogg Lake. 300 Comment
  UCD101994  Sedella pumila James P. Smith; John Sawyer 1971-5-22 4653 Tehama 14.5 miles west of Mineral, on CA-36. Comment
  CHSC90907  Sedum obtusatum Niall McCarten; Roxanne Bittman 1986-6-15 5462 Tehama Mendocino National Forest; North Coast Ranges; Thomes Creek Watershed. 'Ovenlid,' S side Rd. 25N29. 2011 Comment
  JEPS121411  Sedum spathulifolium Peter F. Zika and Julie Nelson 2011-7-5 25521 Tehama 0.6 air miles NNW of summit of Tedoc Mountain, 29N45 road Comment
  CHSC80512  Selaginella hansenii Vernon H. Oswald 2001-3-26 9990 Tehama Hwy 36 1.9 mi west of Paynes Creek. 502 Comment
  HSC78631  Selaginella hansenii L. P. Janeway 1984-9-18 1160 Tehama Above Mill Creek, near Black Rock 793 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-BC363254  Senecio Saichi Kawahara 1968-5-5 402 Tehama 4 miles southwest of Hwy 36 on Hwy 32, where Deer Creek crosses Hwy 32 1396 Comment
  CHSC28160  Senecio aronicoides J. D. Jokerst 1979-7-16 285 Tehama 100 m S. of Forest Service Trail. 3E12 (Turner Mtn), 1.0 mi. W. of Trailhead. Outcrop at edge of marsh and pond. Comment
  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
  JEPS16657  Senecio aronicoides Milo S. Baker and H. K. Wagnon 1953-7-11 12841 Tehama 3 mi above Whitlock Camp 1524 Comment
  UC726175  Senecio aronicoides A. A. Heller 1936-6-19 Tehama e Childs Meadows Comment
  CHSC78237  Senecio eurycephalus var. eurycephalus Vernon H. Oswald 2000-5-17 9918 Tehama Lanes Valley Rd. 1.3 mi north of Hwy. 36. 566 Comment
  JEPS89341  Senecio flaccidus var. douglasii Dean Wm. Taylor with James Shevock, Barbara Ertter 1992-9-19 13248 Tehama Toomes Camp Rd. ca. 5.3 mi. w. Paskenta; N. Coast Ranges 518 Comment
  CAS-BOT-BC205680  Senecio integerrimus var. exaltatus James R. Shevock 1985-6-22 11243 Tehama Northern Coast Ranges. Mendocino National Forest. Along forest road M-2 at Government Flat Campground 1752 Comment
  CHSC64956  Senecio sylvaticus Vernon H. Oswald; Lowell Ahart 1995-7-12 7054 Tehama High North Coast Ranges. W of Red Bluff and S of Platina between Tedoc Gap and Stuart Gap on Forest Road 28N36, 0.8 mi W of Forest Route 45. 1341 Comment
  JEPS94498  Senecio triangularis Vernon Oswald and Lowell Ahart 1997-7-7 8703 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
  UC726786  Senecio triangularis A. A. Heller 16294 Tehama Sulphur Works checking station Lassen Volcanic National Park Comment
  CHSC96520  Senecio vulgaris Lowell Ahart 2007-5-8 13727 Tehama Along flood plain of Dibble Creek, about 100 yards norht of Highway 36, about 3.7 miles west of the intersection Highway 36 and 99 or I-5, about 4 miles (air) northwest of Red Bluff. 111 Comment
  JEPS103399  Senecio vulgaris Lowell Ahart 2002-4-27 9546 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
  JEPS103596  Senecio vulgaris Lowell Ahart 2002-4-27 9546 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
  CHSC84606  Setaria pumila Lowell Ahart; John Dittes 2003-9-17 10588 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
  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
  CHSC42182  Sidalcea hirsuta T. R. Fredricks 1986-4-9 130 Tehama 12 mi nw of Chico on hwy 99, Vina Plains Preserve. 67 Comment
  JEPS75825  Sidalcea oregana subsp. spicata Todd and Virginia Keeler-Wolf 1971-7-26 373 Tehama foot of Stanford Ridge , foot of Stanford Ridge (Yolla Bolly Mountains) 1524 Comment
  CHSC105938  Silene antirrhina Lowell Ahart; John Dittes 2010-7-17 16873 Tehama Near the fence, about 100 yards southeast of the pond, Soap Creek Ranch, about 4.8 miles (air) southeast of Manton, about 2 miles (air) north of Highway 36. 819 Comment
  RSA97938  Silene antirrhina Beecher Crampton 1953-4-29 1166 Tehama 4 milies S of Dales. Comment
  JEPS76674  Silene californica L. R. Heckard 1972-6-17 2951 Tehama e slope of Beegum Mt. 1188 Comment
  JEPS96732  Silene californica Dean W. Taylor 1997-7-18 16139 Tehama headwaters North Fork Elder Creek 1981 Comment
  CHSC105866  Silene campanulata subsp. glandulosa J. K. Nelson; Lauren Johnson, Brad Rust, Talitha Penland Derksen 2010-6-7 2010 -015 Tehama Tedoc Mountain, ca 20 mi west of Red Bluff, along side Forest Road 45. UTM N10N 4456122.241mN, 507574.138mE. 426 Comment
  CHSC60353  Silene douglasii Mary Ann Showers 1992-6-26 2590 Tehama Lassen Volcanic National Park. Canyon bottom along West Sulphur Creek east of Sulphur Works Entrance Station. 1828 Comment
  UCD98601  Silene douglasii var. douglasii John Thomas Howell 1960-8-19 36138 Tehama Lassen Volcanic National Park; Brokeoff Mountain Trail. 2438 Comment
  CHSC64705  Silene gallica Vernon H. Oswald; Lowell Ahart 1995-5-16 6738 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 edge of Inks Creek Rd. 213 Comment
  CHSC65919  Silene gallica Vernon H. Oswald; Lowell Ahart 1996-4-23 7424 .2 Tehama Cascade Range Foothills. Hog Lake Plateau. BLM parcel along Hwy. 36 NE of Red Bluff. Between the NW end of Hog Lake and the vernal pool located to the west. 265 Comment
  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
  CHSC64516  Sisymbrium officinale Vernon H. Oswald; Lowell Ahart 1995-4-10 6641 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 s edge of the basalt ridge crossing the ne corner of the reserve. 225 Comment
  JEPS53879  Sisymbrium officinale W. L. Jepson 1932-5-9 16326 Tehama Paskenta, w Tehama County Paskenta 304 Comment
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  CHSC59175  Sisymbrium orientale Vernon H. Oswald 1992-9-29 5222 Tehama Hwy. 89 at Bluff Falls, 0.8 mi S of the boundary of Lassen Volcanic National Park. Roadside. 1972 Comment
  CDA5725  Smilacina stellata L. Ahart 2002-6-29 9810 Tehama On the south side of the upper east branch of Colby Creek, about 1/8 mile east of Colby Mountain Lookout Road, about 1 3/4 miles (air) east of Colby Mountain, about 5 1/2 miles (air) northeast of Butte Meadows. 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
  CHSC86554  Solanum parishii Jenny Marr; Heidi West, Caroline Warren 1998-5-20 Tehama Vicinity of South Fork Cottonwood Creek and Pettyjohn Road. 426 Comment
  CHSC115232  Solanum rostratum B. Castro; R. Carter, B. Humphrey, A Groom 2015-4-29 2042 Tehama Sacramento Valley. N side of Elder Creek channel, ca 1.26 air mi NW of its confluence with the Sacramento River and 0.9 air me E of the San Benito Ave. bridge over Elder Ck at the town of Gerber. 67 Comment
  SBBG122908  Solanum rostratum B. Ertter et al. 1989-10-21 8889 Tehama S side of NW arm of Black Butte Lake, W of Orland 152 Comment
  POM226894  Solanum umbelliferum R. C. Bacigalupi 1934-5-29 2408 Tehama Along Covelo-Paskenta road, between Eel River Ranger Station and Low Gap Ranger Station, Mendocino Nat. Forest, about 17 miles east of Covelo. Comment
  JEPS108946  Solidago spectabilis Lowell Ahart 2006-9-9 13264 Tehama Near and in bogs, on the west side of the dirt road, about 120 yards east of Colby Creek, about 2 miles (air) southeast of Colby Mountain, about 5 miles (air) northeast of Butte Meadows 1525 Comment
  JEPS104657  Solidago velutina subsp. californica Lowell Ahart 2003-8-11 10493 Tehama Near a drainage, burned area on the w side of road M2, ca 9 mi w of Paskenta. 875 Comment
  CHSC65728  Spergularia bocconi Vernon H. Oswald; Lowell Ahart 1996-4-3 7312 Tehama Northwest side of Sacramento Valley. Thomes Creek Ecological Reserve. CDFG parcel on the S side of Gyle Rd. NW of Corning. On edges of dirt lane along the W side of the parcel, just N of the intermittent stream. 106 Comment
  CAS-BOT-BC390656  Spergularia rubra Milo S. Baker 1955-6-25 13055 Tehama West of Paskenta in Mend. Nat. Forest above Whittock Camp. Near Post Pile Camp, West Tehama Co. 1828 Comment
  JEPS104052  Sphenosciadium capitellatum Lowell Ahart 2003-8-24 10538 Tehama In a meadow, on both sides of Willow Creek, ca 1/2 mi (air) n of Jonesville, ca 5 mi (air) ne of Butte Meadows. 1569 Comment
  CHSC102682  Spiranthes romanzoffiana Lowell Ahart; John Dittes, Josephine Guardino 2009-8-27 16349 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
  RSA624173  Stachys J. M. Tucker 1959-7-19 3571 Tehama North side of South Yolla Bolly Mountain, upper (south) side of Square Lake. 2119 Comment
  CHSC105910  Stachys ajugoides var. rigida B. Castro; L. P. Janeway 1999-8-22 1034 A Tehama High North Coast Ranges. Unnamed but mapped spring 0.4 mi NW of Govt. Flat and 0.3 mi NE of Uhl Peak. In rocky springy drainage ca 50 ft W of road. 1859 Comment
  JEPS63086  Stachys ajugoides var. rigida Jos. Grinnell 1925-7-7 Tehama Mineral Comment
  HSC97753  Stachys rigida var. rigida Vernon H. Oswald, L. Ahart 1997-7-7 8686 Tehama USFS Rd. 27N26 0.4 mi. W of its junction with 27N06; W of Saddle Campground, near the NE corner of the Yolla Bolly-Middle Eel Wilderness 1067 Comment
  CHSC77596  Stachys stricta Heidi West; Caroline Warren, Jenny Marr, Natalie Wight 1998-7-9 Tehama Vicinity of Red Bank Creek and Sunflower Gulch. 304 Comment
  CHSC89883  Stachys stricta B. Castro; Shirley Innecken 2001-6-8 1264 Tehama Vicinity of Thomes Creek and Bennett Creek. At edges of perennial creek, in bottom of small canyon. 298 Comment
  JEPS124419  Stellaria crispa Lowell Ahart, John Dittes 2015-8-6 20483 Tehama West side of Childs Meadow, 0.67 air-miles west of intersection of State Highway 36 and Wilson Lake Road (County Road 769), 1.21 air-miles southeast of Doe Mountain, 10.41 air-miles south of Lassen Peak. Comment
  JEPS94494  Stellaria crispa Vernon Oswald and Lowell Ahart 1997-7-7 8695 Tehama Forest Route 35 at Cedar Creek near the ne corner of Yolla Bolly Middle Eel Wilderness; Forest Route 35 at Cedar Creek 1066 Comment
  RSA718202  Stellaria longipes L. Ahart 2006-7-19 13028 Tehama 100 yards W of the dirt road, E of Colby Creek, 2 airmiles SE of Colby Mtn, 5 airmiles NE of Butte Meadows 1526 Comment
  CDA3542  Stellaria nitens L. Ahart, Vernon Oswald 2001-5-7 10022 Tehama Forest Road 26N15, 5.2 miles west of Highway 32, between Soda Springs and Cohasset Ridge. Comment
  JEPS94746  Stellaria nitens Vernon Oswald and Lowell Ahart 1998-4-21 8929 Tehama Nomalaki Trail between Log Springs Road (M4) and Bennett Creek (trailhead on Log Springs Road uphill from Wilder Pond, w of Salt Creek Conservation Camp) Bennett Creek; Inner North Coast Ranges, Nomalaki Trail 591 Comment
  CHSC100926  Stephanomeria lactucina R. A. Schlising; Marc Hayes 1977-8-6 3201 Tehama Along Highway 32, just south of its junction with Highway 36. Comment
  CHSC81222  Stephanomeria virgata subsp. pleurocarpa Jenny Marr; Heidi West, Caroline Warren, Natalie Wight 1998-7-9 Tehama Vicinity of Red Bank Creek and Sunflower Gulch. 289 Comment
  HSC13352  Stipa lemmonii R. S. White 1965-5-15 82 Tehama 30 mi. E of Red Bluff on Hwy. 36 Comment
  UC1950140  Stipa lemmonii var. lemmonii Barbara Ertter 1990-5-12 8934 Tehama NW side of Dry Fork Creek NW of jct Hwy 36 and Rt A5 (Bowman Rd) ca 15 airmiles WNW of Red Bluff, on Reed property; grassy N-facing slopes Comment
  UCD32627  Stipa lemmonii var. pubescens Beecher Crampton 1954-6-16 2000 Tehama Tehama County, Round Mountain area, Whitlock Camp. 1219 Comment
  CHSC117646  Stipa miliacea var. miliacea Lowell Ahart; John Dittes 2016-8-25 21288 Tehama Along the sides of a road, about 80 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
  SEINET10933544  Stipa occidentalis Billy Joe Cox, David B. Dunn 1971-6-10 Cox 2838 Tehama 16 mi E of Red Bluff on Ca Hwy 36; in grass, at edge of Pinus ponderosa and P. jeffreyi. 366 Comment