Search Results — 2000 specimen records retrieved (1622 records with coordinates)
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  SEINET11404930  Abies X shastensis D. Charlet, R. Tausch 1995-9-28 2218 Tehama Yolla Bolly Mountains, North Yolla Bolly Peak. ridgeline between Blk Rock peak & N Yolly Bolly pk 2073 Comment
  CHSC90404  Abies concolor Niall McCarten; Roxanne Bittman 1986-6-15 5475 Tehama Mendocino National Forest--North Coast Ranges. Thomes Creek Watershed. 'Ovenlid,' so. side Rd. 25N29. 2011 Comment
  CHSC65322  Acer glabrum var. torreyi Lowell Ahart 1995-10-3 7652 Tehama Along Willow Creek, about 1 3/4 miles (air) north-east of Jonesville, about 6 1/2 miles (air) northeast of Butte Meadows. 1645 Comment
  RSA21524  Acer macrophyllum Carl B. Wolf 1937-5-17 8710 Tehama Red Bluff, Susanville Road, 6 7/10 miles below Mineral. 1372 Comment
  UC1071630  Acer macrophyllum P. L. Johannsen 1936-8-26 999 Tehama Deer Cr at e side Paynes Cr. Quad. (near site indes @27); Lassen National Forest, Paynes Cr. Quad. Comment
  CHSC45621  Achillea millefolium Vernon Oswald 1985-7-8 1893 Tehama Hwy 32 1.8 mi sw of Hwy 36. 1414 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
  UC1245160  Achillea millefolium J. M. Tucker and L. K. Mann 1959-7-10 3544 Tehama at summit South Yolla Bolly Mountain Comment
  CHSC110421  Achnatherum lemmonii David Isle 1990-6-1 1947 Tehama Mendocino National Forest. Glade N of Riley Cabin along Rd 25N51. MDBM. 1097 Comment
  JEPS110281  Achnatherum lemmonii Lowell Ahart 2006-7-19 13014 Tehama Meadow area west of the dirt road, just east of Colby Creek, near large man made piles of soil and rock, about 1 3/4 miles (air) southeast of Colby Mountain, about 4 3/4 miles (air) northeast of Butte Meadows 1503 Comment
  UC1019887  Achnatherum lemmonii Milo S. Baker and H. K. Wagnon 1953-7-12 12868 Tehama 5.3 mi along County Road Whitlock Camp 1828 Comment
  UCD32615  Achnatherum lemmonii Beecher Crampton 1954-6-16 1983 Tehama Tehama County, Mendocino National Forest, 1 mile south of Hawell Saddle. 1828 Comment
  UCD80498  Achnatherum lemmonii CNPS SN Foothill Team 2005-5-25 SNFN 0327 Tehama BLM Hog Lake/Paynes Creek Recreation Area, accessed via Yana Trail from Jelly's Ferry. 136 Comment
  RSA120959  Achnatherum lemmonii var. lemmonii J. T. Howell, R. C. Barneby 1954-5-14 29572 Tehama 9 mi east of Paynes Creek 1006 Comment
  CAS-BOT-BC210752  Achnatherum nelsonii George W. Gillett 1957-8-18 1103 Tehama Lassen Volcanic National Park. Lower portion of Brokeoff Mtn. Trail, from Sulphur Works checking station 2103 Comment
  CHSC83618  Achnatherum nelsonii subsp. dorei L. P. Janeway 2001-6-24 7220 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
  JEPS28283  Achnatherum nelsonii subsp. dorei George W. Gillett 1957-8-18 1103 Tehama ca. 1/4 mi. above Sulphur Works Checking Station (lower portion Brokeoff Trail, Brokeoff Mt.); Lassen Volcanic Nat'l Park, Brokeoff Mt. 2103 Comment
  UC1021627  Achnatherum occidentale subsp. californicum J. I. Manning 1954-10-6 107 Tehama Hazen Flat Lassen National Forest, Quadrangle 33A-2 1706 Comment
  UC641663  Achnatherum occidentale subsp. pubescens G. L. Stebbins 1939-7-10 2944 Tehama 12 mi e Paynes Creek 1097 Comment
  UCD51220  Achnatherum occidentale subsp. pubescens G. L. Stebbins Jr. 1939-7-10 2944 Tehama 12 miles east of Paynes Creek. 1097 Comment
  CHSC88467  Achnatherum stillmanii L. P. Janeway; B. Castro 2004-5-30 8127 Tehama High Cascade Range. Moderate south-facing slopes near top of small ridge along Road 27N08 above Lower Deer Creek Falls. 1170 Comment
  UCD51416  Achnatherum stillmanii August L. Hormay 1929-7-15 s.n. Tehama Polk Springs Road. Comment
  CHSC13923  Achyrachaena mollis P. Fehr 1974-4-23 11 Tehama Side of Cana Pina Creek Rd, ca. 4 mi n of junct with Broyles Rd, ca. 6 mi n of Chico. 56 Comment
  JEPS97225  Achyrachaena mollis Vernon H. Oswald and L. Ahart 1995-4-25 6699 Tehama T29N R2W SW1/4 NW1/4 Sec. 35, 680 ft, Cascade Range Foothills, basalt substrate. Dales Lake Reserve on the W side of Manton Rd. (A6) ca. 1 mi n of Dales Station on Hwy. 36, ca. 14 mi ne of Red Bluff 207 Comment
  CHSC83095  Acmispon americanus var. americanus Lowell Ahart; John Dittes, Jim Gannon, Lyle Martinez 2002-11-4 10006 Tehama Bottom of a wash, Jewett Creek, east of Marguerite Road, about 1 1/4 mile (air) southeast of Corning. 74 Comment
  UCD104023  Acmispon brachycarpus Collector unknown 1950-6-1 s.n. Tehama Gleason Plot, near Alder Cr. Comment
  CHSC64616  Acmispon parviflorus Vernon H. Oswald; Lowell Ahart 1995-4-25 6681 Tehama Dale Lake Ecological Reserve. Cascade Range Foothills. W side of Manton Rd. (A6) ca. 2 mi n of Dales Station on Hwy. 36, ca. 14 mi ne of Red Bluff. 225 Comment
  JEPS60360  Aconitum columbianum Joseph Grinnell 1925-6-29 Tehama Mineral 1463 Comment
  UCD95393  Aconitum columbianum J. M. Tucker; L. K. Mann 1962-7-29 3633 Tehama Tehama Co.; ca. 3 mi. east of the summit of South Yolla Bolly Mountain and 3/4 mi. north of Ovenlid. 1981 Comment
  CAS-BOT-BC391370  Aconitum columbianum subsp. columbianum P. A. Munz 1951-7-25 16845 Tehama Square Lake, n. base of South Yolla Bolly Mts. 2133 Comment
  CAS-BOT-BC391369  Aconitum columbianum subsp. columbianum J. M. Tucker 1959-7-19 3572 Tehama Upper (south) side of Square Lake, north side of South Yolla Bolly Mountains 2133 Comment
  CHSC84393  Aconitum columbianum var. columbianum Lowell Ahart; John Dittes, Josephine Dittes 2003-8-23 10523 Tehama Along the sides of a small streamlet, meadow, about 80 yards southeast of Square Lake, about 3/4 mile northeast of Mount Linn, South Yolla Bolly. 2112 Comment
  CAS-BOT-BC412929  Aconogonon davisiae John Thomas Howell 1960-8-19 36159 Tehama Lassen Volcanic National Park. Brokeoff Mt. Trail 2682 Comment
  UCR8993  Adenocaulon bicolor Donald Myrick 1966-8-7 1472 Tehama North Yolla Bolly Mountain 1529 Comment
  CHSC64988  Adenostoma fasciculatum Vernon H. Oswald; Lowell Ahart 1995-7-12 6995 Tehama Inner North Coast Ranges. W of Red Bluff and S of Platina on Forest Route 45 (Tedoc Mtn. Rd.), 2.5 mi S of Hwy. 36. 871 Comment
Read comments
Apr 1 2009
  JEPS97439  Adenostoma fasciculatum Vernon H. Oswald and Lowell Ahart 1995-7-12 6995 Tehama W of Red Bluff and S of Platina on Forest Route 45 (Tedoc Mtn. Rd.), 2.5 mi S of Hwy. 36 Inner North Coast Ranges 871 Comment
  CHSC107225  Aegilops triuncialis Lowell Ahart; John Dittes 2011-6-9 17469 Tehama On gravel bar, on the southeast side of Acorn Hollow Creek, at confluence of Dry Creek, 2.1 miles (air) east of Highway 99, 3.8 miles (air) north of Vina. 75 Comment
  CHSC66510  Aegilops triuncialis Vernon H. Oswald; Lowell Ahart 1996-5-20 7596 Tehama Cascade Range Foothills. Hog Lake Plateau. BLM parcel along Hwy. 36 NE of Red Bluff. 158 Comment
  CAS-BOT-BC202708  Aesculus californica B. J. Cox; Jeff Huber 1971-6-10 2853 Tehama 8 mi. E. of Red Bluff, on Calif. Hwy. 36 152 Comment
  JEPS87832  Ageratina occidentalis Lowell Ahart 1994-7-24 7524 Tehama 2.3 mi by road nw Willow Creek (about 2 1/2 air mi n of Cherry Hill); nw of Willow Creek 1676 Comment
  UC1584302  Ageratina occidentalis Julie Kierstead 1990-9-11 90 -156 Tehama 3 m ssw Tedoc Mtn.; Yolla Bolly R. D. 1524 Comment
  RSA724886  Agoseris glauca var. dasycephala L. Ahart 2006-8-15 13201 Tehama East of Colby Creek, west of poor dirt road, about 3/4 mile northwest of the Snowmoblie Area, about 1.25 miles (air) northwest of Jonesville, about 4.75 miles (air) northeast of Butte Meadows. 1504 Comment
  CHSC78589  Agoseris heterophylla Julie Cunningham; Heidi West, Caroline Warren 1998-4-27 Tehama Vicinity of Red Bank Creek, The Narrows, and Grizzly Creek. 274 Comment
  CHSC46205  Agrostis avenacea Mike Foster 1983-4-1 915 Tehama The Nature Conservancy Vina Plains Preserve. Comment
  UC766938  Agrostis elliottiana Robert F. Hoover 1937-5-19 2261 Tehama 4 mi s Cottonwood Comment
  CHSC106357  Agrostis gigantea Lowell Ahart; John Dittes 2010-7-19 16898 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
  CAS-BOT-BC139346  Agrostis idahoensis Douglas Barbe 1955-7-17 217 Tehama At Cold Spring Camp. 1889 Comment
  UCD53050  Agrostis microphylla G. F. Hrusa 1996-5-2 12909 Tehama near corner of Plaskenta Rd. and Ottmar Ave. (Dusty Way). Pool dry at this time. 110 Comment
  RSA66605  Agrostis variabilis P. A. Munz 1951-7-25 16897 Tehama Square Lake, north base of South Yolla Bolly Mts. 2134 Comment
  CHSC66604  Alisma lanceolatum Vernon H. Oswald 1996-7-19 8072 Tehama Cascade Range Foothills. BLM parcel on the N side of the Sacramento River at Jellys Ferry Bridge on Jellys Ferry Rd. NE of Red Bluff. Marshy drainage along an old river channel on the NE side of the parcel. 100 Comment
  CHSC84316  Alisma lanceolatum Lowell Ahart; John Dittes 2003-6-11 10267 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
  CHSC66581  Alisma triviale Vernon H. Oswald; Lowell Ahart 1996-7-8 7968 Tehama Hog Lake Plateau. Cascade Range Foothills. BLM parcel along Hwy. 36 NE of Red Bluff. 158 Comment
  UC1784164  Allium Harold and Virginia Bailey 1948-8-28 3068 b Tehama Lassen Volcanic National Park, near Sulphur Creek campground 2011 Comment
  CHSC57540  Allium amplectens Jean A. Graham 1988-4-24 14 Tehama Ca. 10 mi ne of Red Bluff, e side of Hwy 36. 100 Comment
  JEPS118136  Allium amplectens Dean William Taylor 1972-6-17 1526 Tehama Tedoc Mountain 1371 Comment
  RSA141289  Allium amplectens June McCaskill 1960-5-26 605 Tehama On Wright-Graham ranch, South Power House Road, 1 1/2 miles south of Manton. Comment
  RSA90470  Allium amplectens Keith Wagnon 1953-5-3 12663 Tehama W of Paskenta along logging road. Comment
  CAS-BOT-BC462401  Allium bolanderi Alice Eastwood; John Thomas Howell 1941-7-9 9733 Tehama Log Spring Ridge between Log Spring and Government Flat Comment
  UC57534  Allium campanulatum H. M. Hall and E. B. Babcock Jul 1 1903-Jul 2 1903 4328 Tehama near Morgan (Mill Creek Canyon); Mount Lassen, Mill Creek Canyon 1524 Comment
  RSA90834  Allium campanulatum Milo S. Baker, H. K. Wagnon 1953-7-12 12900 Tehama 5.1 miles above Whitlock Camp on County Road. 1829 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
  CHSC54114  Allium falcifolium Vernon H. Oswald; Anne-Lise Feenstra 1991-5-22 4610 Tehama M2 (23N01), 9.8 miles (odometer) west of Paskenta. 896 Comment
  UC7001333  Allium falcifolium Louise Kellogg 1952-7-17 75 Tehama South Yolla Bolly Mountain, Mendocino National Forest, North Coast Ranges Middle Eel-Yolla Bolly Primitive Area, South Yolla Bolly Mtn 2438 Comment
  JEPS96563  Allium sanbornii var. sanbornii Dean W. Taylor 1997-7-24 16165 Tehama Deer Creek watershed, along Ponderosa Way 0.2 road miles N of Lassen National Forest boundary sign; Lassen National Forest 1021 Comment
  JEPS47561  Allium serra W. L. Jepson 1932-5-9 16322 Tehama Paskenta 304 Comment
Read comments
Jul 1 2009
  UCD141776  Allium validum L. K. Mann; J. M. Tucker 1959-7-19 s.n. Tehama at Square Lake on north side of South Yolla Bolly. Comment
  UCD141864  Allium validum L. K. Mann; J. M. Tucker 1959-7-19 s.n. Tehama Square Lake on north side of south Yolla Bolly. Comment
  CHSC105939  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
  SEINET10496941  Allophyllum divaricatum Mary Susan Taylor 1980-6-21 Taylor 2935 Tehama Deer Creek junction with Lellinger Road, ca. 19 mi N of Chico. With R. Schlising & T. Griggs. Comment
  UC1543687  Alnus incana subsp. tenuifolia Harold and Virginia Bailey 1948-8-28 3071 Tehama near Sulphur Creek campground (in meadow below ski hut); Lassen Volcanic National Park 2011 Comment
  HSC41103  Alopecurus pratensis J. P. Smith, J. O. Sawyer 1973-4-14 6070 Tehama Lassen Rd., E of Hwy. 99 near Vina Comment
  CHSC45028  Alopecurus saccatus Pauleen Broyles 1988-4-6 1104 Tehama On Singer Creek Ditch in Lassen Pasture. The Nature Conservacy Vina Plains Preserve. 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
  SEINET11689122  Alopecurus saccatus Unknown 1982-1 351 Tehama The Nature Conservancy Vina Plains Preserve, ca 1 km S of Lassen Road 67 Comment
  CHSC48311  Alyssum desertorum Vernon Oswald 1986-3-6 1048 Tehama Round Valley Rd. 2.2 mi sw of Paskenta. Roadside. 274 Comment
  CHSC88298  Amaranthus albus Lowell Ahart; Samantha Mackey Hillaire 2004-7-9 11211 Tehama On the north side of the Mill Creek Trail (4E10), road north of Mill Creek, about 1/2 mile west of the Black Rock, Black Rock Campground, and Ponderosa Way (Forest Road 28N29), about 26 miles (air) east of Red Bluff. 653 Comment
  JEPS88270  Amaranthus albus Vernon H. Oswald and Lowell Ahart 1996-6-3 7692 .4 Tehama n.e. Red Bluff (BLM parcel along Hwy. 36; along Paynes Creek at the old bridge site, Hog Lake Plateau); Cascade Range Foothills, Hog Lake Plateau, Paynes Creek 103 Comment
  UC2031505  Amaranthus albus Barbara Ertter with Brad Olson 1991-7-5 10305 Tehama Metzger Ranch at confluence of Big and Little Crane creeks [Stiver's Ranch], ca 15 air miles WNW of Red Bluff Comment
  JEPS121168  Amaranthus blitoides Lowell Ahart 2013-8-2 18985 Tehama Bottom of Burris Creek, strand of Black Butte Reservoir, about 1.5 miles SW of the Dam, about 12 air miles NW of Orland. Comment
  CHSC112986  Amaranthus californicus Lowell Ahart 2013-8-2 18985 A Tehama On the bottom of Burris Creek, strand of Black Butte Reservoir, about 1 1/2 miles southwest of the Dam, about 12 miles (air) northwest of Orland. 135 Comment
  CDA34743  Ambrosia artemisiifolia L. 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 miles (air) northwest of Vina. 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
  CAS-BOT-BC135673  Amelanchier utahensis John Thomas Howell 1960-8-20 36209 Tehama Near Lassen Volcanic National Park - Morgan 1463 Comment
  CAS-BOT-BC135674  Amelanchier utahensis John Thomas Howell; Alice Eastwood 1941-7-9 9839 A Tehama Near Government Flat Comment
  LA210942  Amelanchier utahensis C. Epling; William Robison s.n. Tehama near Mineral. Comment
  CHSC83376  Amsinckia intermedia L. P. Janeway; Shirley Innecken 2002-3-20 7448 Tehama Inner North Coast Ranges. Vicinity of Benner Creek, Thomes Creek, and Round Valley Road. 320 Comment
  CHSC65718  Amsinckia lycopsoides Vernon H. Oswald; Lowell Ahart 1996-4-3 7314 Tehama Thomes Creek Ecological Reserve. CDFG parcel on the S side of Gyle Rd. NW of Corning. Northwest side of Sacramento Valley. Growing along Gyle Rd. near the NW corner of the reserve. 103 Comment
  JEPS113123  Amsinckia lycopsoides Lowell Ahart, John Dittes, Josephine Guardino 2007-4-3 13603 Tehama E of the poor dirt road, W 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
  UC727075  Amsinckia lycopsoides A. A. Heller 1940-3-21 15519 Tehama 1 mi s Proberta (along U.S. Hwy 99W) Comment
  CHSC96608  Amsinckia menziesii Lowell Ahart; John Dittes, Josephine Guardino 2007-4-3 13604 Tehama East of the poor dirt road, on the north side of a large vernal pool, about 4 1/2 miles (air) northeast of the intersection of Highway 99 East and Vina Road, about 6 1/2 miles (air) southeast of Los Molinos. 131 Comment
  JEPS113122  Amsinckia menziesii var. menziesii Lowell Ahart, John Dittes, Josephine Guardino 2007-4-3 13604 Tehama East of the poor dirt road, on the north side of a large vernal pool, about 4 1/2 miles (air) northeast of the intersection of Highway 99 East and Vina Road, about 6 1/2 miles (air) southeast of Los Molinos 131 Comment
  JEPS88382  Amsinckia menziesii var. menziesii Vernon H. Oswald and Lowell Ahart 1996-4-15 7378 Tehama n.w. Corning (CDFG parcel on s. side of Gyle Rd., bank of intermittent stream ca. 0.6 mi. e. of the lane, Thomes Creek Ecological Reserve); n.w. Sacramento Valley, Thomes Creek Ecological Reserve 99 Comment
  UCD18767  Anagallis minima Vernal Pool Team 2001; Carol Witham and Jennifer Buck 2001-4-13 60 Tehama along the Manton Rd. (A6), 2 mi past its intersection with Hwy 36, on a ridge past Dales Lake, Inks Creek site. Comment
  CAS-BOT-BC45084  Anaphalis margaritacea John Thomas Howell 1960-8-18 36101 Tehama Sulphur Works Checking Station 2011 Comment
  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
  RSA115249  Anemone multifida George W. Gillett 1953-7-3 263 Tehama Tehama county: Rock crevices above road, 0.25 mile above Diamond Point, Near Diamond Peak. 2256 Comment
Read comments
Oct 28 2009
  CHSC42567  Angelica californica Vernon Oswald 1985-7-8 1891 Tehama Hwy 32 0.2 mi sw of Deer Creek Bridge, ca. 2 mi s of Potato Patch Campground. 993 Comment
  CHSC81088  Angelica californica Lowell Ahart 2001-8-28 9185 Tehama Along a small dry stream, on the east side of Highway 32 and southeast of the intersection with road 390 - G of Sierra Pacific Industries, about 4 miles by road south of bridge across Deer Creek. 1219 Comment
  UCD127151  Angelica californica Joseph DiTomaso 1979-8-26 1497 Tehama Hwy 32, ca. 11 miles from Tehama-Plumas County line. Comment
  UC1609302  Anisocarpus scabridus Vernon H. Oswald and Lowell Ahart 1993-9-2 5896 Tehama ridge running e from Mt. Linn (ca 20 air mi nw of Paskenta); South Yolla Bolly Mtns. 2346 Comment
  CHSC68929  Antennaria argentea Vernon H. Oswald; Lowell Ahart 1997-7-7 8689 Tehama Forest Road 27N26 0.8 mi west of its junction with 27N06, west of Saddle Campground, near the northeast corner of the Yolla Bolly-Middle Eel Wilderness. 1066 Comment
  RSA67187  Antennaria argentea Philip A. Munz 1951-7-25 16860 Tehama 1.5 miles E of Square Lake. 2134 Comment
  JEPS87526  Antennaria geyeri Vernon H. Oswald and Lowell Ahart 1993-9-2 5901 Tehama ridge running e from Mt. Linn (ca 20 air mi nw of Paskenta); South Yolla Bolly Mtns. 2346 Comment
  UC1245136  Antennaria geyeri J. M. Tucker and L. K. Mann 1959-7-19 3559 Tehama se side of South Yolla Bolly Mountain 2255 Comment
  HSC95446  Antirrhinum subcordatum L. Ahart 2001-6-8 8787 Tehama W side of Rd. M2, 9 mi. W of Paskenta 793 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
  CHSC80696  Antirrhinum vexillo-calyculatum subsp. breweri Lowell Ahart 2001-6-8 8789 Tehama On the west side of road M2, about 9 miles west of Paskenta. 792 Comment
  CDA41214  Antirrhinum vexillo-calyculatum subsp. breweri J. R. Keck 1976-10-13 s.n. Tehama Southeast edge of county road approximately 1.1 miles west of Manton. 0 Comment
  JEPS88889  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
  CHSC80583  Apocynum androsaemifolium Lowell Ahart 2001-6-16 8860 Tehama On south side of the dirt road, about 4 1/2 miles west of Highway 32, west of Soda Springs Campground, about 5 miles (air) west of Butte Meadows. 1112 Comment
  UC1949230  Apocynum androsaemifolium Barbara Ertter with Brad Olson 1991-7-6 10440 Tehama Ball Rock - Toomes Camp Road at Trough Ridge jct, 18.8 mi from Paskenta, ca 28 airmiles W of Corning Comment
  UC726343  Apocynum androsaemifolium A. A. Heller 1937-7-21 17276 Tehama along Deer Creek Hwy. ca. midway between Lomo and first crossing of Deer Creek Comment
  CHSC92779  Arabidopsis thaliana John Dittes; Josephine Guardino 2005-4-13 1064 Tehama Northern Sacramento Valley; south bank of Mill Creek; ca. 0.3 mile east of confluence with Sacramento River; gravel bar in active channel of Mill Creek. 64 Comment
  JEPS88415  Arabidopsis thaliana Vernon H. Oswald and Lowell Ahart 1996-4-8 7320 Tehama BLM parcel along Hwy. 36 n.e. Red Bluff (cut bank on e. side of Paynes Creek ca. 0.4 mi. downstream from the former bridge site on the gravel rd., Hog Lake Plateau); Cascade Range Foothills, Hog Lake Plateau, Paynes Creek 106 Comment
  RSA90598  Arabis breweri Keith Wagnon 1953-5-10 12641 Tehama Above logging road west of Paskenta, between 6 and 7 mile posts above road. Comment
  JEPS85651  Arabis breweri var. breweri Virginia Bailey 1938-4-16 Tehama 5 mi w. Paskenta (on Paskenta-Covelo road) Comment
  UC1001343  Arabis glabra Louise Kellogg 1952-7-18 90 Tehama directly s Yolla Bolly Mountain (near Squaw Camp and Pole Corral on Boswell Ridge); North Coast Ranges, Mendocino National Forest, Boswell Ridge 2133 Comment
  UC55245  Arabis glabra H. M. Hall and E. B. Babcock Jul 1 1903-Jul 2 1903 4379 Tehama near Morgan; Mount Lassen, Mill Creek Canyon 1524 Comment
  RSA482753  Arabis subpinnatifida J. P. Smith, Thomas W. Nelson 1979-6-23 10157 Tehama Yolla Bolly Quadrangle. Shasta-Trinity National Forest. Tedoc Mtn 1463 Comment
  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
  UC1078849  Arceuthobium americanum Job Kuijt 1957-5-21 1357 Tehama 15 mi w Hwy 36 - Hwy 89 junction at Lake Almanor Comment
  UCD101956  Arceuthobium campylopodum Lalit M. Srivastava 1957-10-19 16 Tehama Mineral Summit, ca. 3 miles southeast of Mineral. 1584 Comment
  CHSC24722  Arctostaphylos J. R. Nelson 1976-3-6 10 Tehama 10 mi W of Paskenta. 487 Comment
  SEINET10736234 Image available Arctostaphylos acutifolia John Thomas Howell 1943-8-8 Howell 19212 Tehama Log Spring Ridge. 1.1 miles west of Ranger Station, Tehama Co. Comment
  UC1043531  Arctostaphylos canescens subsp. canescens P. C. Everett and E. K. Balls 1954-10-16 20321 Tehama 1.1 mi sw Government Flat (on Paskenta-Covelo road) 1737 Comment
  UCD52175  Arctostaphylos manzanita Roman Gankin; W. R. Hildreth 1966-3-17 712 Tehama East side of Forest Service Road 23N04 (Valley View access road); 6.8 miles south of junction with Forest Service Road 23N02. Comment
  UCR58362  Arctostaphylos manzanita Walter Knight, I. Knight 1980-6-14 3763 Tehama Originally from west of Paskenta Comment
  JEPS38754  Arctostaphylos manzanita subsp. manzanita Harriet P. Kelley 1914-3-20 Tehama Los Molinos Comment
  UC1393696  Arctostaphylos manzanita subsp. manzanita James I. Mallory 1971-7-27 386 Tehama junction of Chico Creek and Campbell Creek; Quadrangle 40A2 Comment
  UC83009  Arctostaphylos manzanita subsp. manzanita Elizabeth Hermann 1903-3-1 3170 Tehama Red Bluff Comment
  CHSC80524  Arctostaphylos manzanita subsp. wieslanderi Vernon H. Oswald 2001-3-26 9991 Tehama Plum Creek Rd 0.9 mi south of Paynes Creek. 579 Comment
  UC1182197  Arctostaphylos manzanita subsp. wieslanderi James I. Mallory 1959-12-30 190 Tehama about 1/4 mi w Saddle Camp Guard Station; Trinity National Forest, Quad 31C1 1158 Comment
  CAS-BOT-BC39996  Arctostaphylos nevadensis John Thomas Howell 1943-8-8 19211 Tehama Log Spring Ridge Comment
  CAS-BOT-BC39998  Arctostaphylos nevadensis John Thomas Howell 1944-7-14 19763 Tehama Anthony Peak, east side Comment
  CAS-BOT-BC39999  Arctostaphylos nevadensis John Thomas Howell 1960-8-18 36045 Tehama Near Lassen Volcanic National Park, Bluff Falls 1981 Comment
  CHSC37664  Arctostaphylos nevadensis T. B. Devine 1981-9-5 770 Tehama Forest Service Road 29N22, ca. 1/4 mi from junction with Hwy 89. 1859 Comment
  UCD52660  Arctostaphylos nevadensis Roger Raiche 1985-7-27 RR 50677 Tehama Log Springs Road; near intersection with road to Sugar Spring Campground-Government Flat; near marker 35.68. 682 Comment
  UCD52661  Arctostaphylos nevadensis John Thomas Howell 1960-8-18 36045 Tehama Bluff Falls. 1981 Comment
  CAS-BOT-BC44476  Arctostaphylos patula M. B. Kildale 1926-9-11 2718 Tehama Payne's Creek Comment
  CAS-BOT-BC44478  Arctostaphylos patula John Thomas Howell 1943-8-8 19212 Tehama Log Spring Ridge, 1.1 miles west of Ranger Station Comment
  RSA31748  Arctostaphylos patula A. A. Heller 1942-2-23 16380 Tehama Top of grade east of the Paynes Creek Highway Maintenance Station. Comment
  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
  CHSC105492  Arctostaphylos viscida subsp. viscida Lowell Ahart; John Dittes 2010-7-17 16877 Tehama On dry red rocky soil, just south of the gate, about 40 yards east of the barn, Soap Creek Ranch, about 4.8 miles (air) southeast of Manton, about 2 miles (air) north of Highway 36. 829 Comment
  JEPS97449  Arctostaphylos viscida subsp. viscida Vernon H. Oswald and L. Ahart 1995-3-6 6515 Tehama T29N R2W NE1/4 NE1/4 Sec. 26, 750 ft, Cascade Range Foothills, Blue Oak Woodland, basalt substrate. E side of Manton Rd. (A6) at the ne corner of Dales Lake Ecological Reserve, ca. 1 mi n of Dales Station on Hwy. 36, ca. 14 mi ne of Red Bluff 228 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
  UC1037481  Arenaria congesta var. crassula Douglas Barbe 1955-7-16 178 Tehama Near summit South Yolla Bolly Comment
  JEPS94362  Argemone munita Vernon H. Oswald and Lowell Ahart 1997-5-14 8459 Tehama s of Moak Trailhead (between Mill and Deer Creeks on Ponderosa Way (Forest Road 28N29)); Ponderosa Way; -121.706 1121 Comment
  CHSC68700  Argemone munita subsp. munita Vernon H. Oswald; Lowell Ahart 1997-5-14 8459 Tehama Between Mill and Deer creeks on Ponderosa Way (Forest Rd. 28N29) south of Moak Trailhead. 1121 Comment
  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
  CHSC66588  Aristida oligantha Vernon H. Oswald; Lowell Ahart 1996-7-8 7964 Tehama Cascade Range Foothills. Hog Lake Plateau. BLM parcel along Hwy. 36 NE of Red Bluff. Collected on the rocky flood plain of Paynes Creek E of the mouth of the intermittent stream crossing the NE corner of the parcel. 158 Comment
  JEPS96035  Aristida oligantha Vernon H. Oswald and Lowell Ahart 1996-7-8 7964 Tehama BLM parcel along Hwy 36 ne of Red Bluff (on flood plain of Paynes Creek e of mouth of intermittent stream crossing ne corner of parcel, (throughout parcel)); Hog Lake Plateau, Cascade Range Foothills, Paynes Creek 131 Comment
  UCD148337  Aristida oligantha G. F. Hrusa 1996-8-17 13510 Tehama Blue Tent Creek. Immediately downstream from Jelly's Ferry Road crossing, and adjacent to Interstate 5. 200 Comment
  SEINET10868639  Aristida oligantha Vernon H. Oswald, Lowell Ahart 1995-7-17 Oswald 7063 Tehama T29N R2W NE1/4 SW1/4 Sec Cascade Range foothills, Valley and Foothill Grassland (Wildflower Field), stony Tuscan loma. W side of Manton Rd. (A6) ca. 1.5 mi of Dales Station on Hwy, 36, ca. 14 mi NE of Red Bluff. 213 Comment
  UCD148604  Aristida ternipes var. gentilis G. F. Hrusa 1996-8-17 13518 Tehama east side of Blue Tent Creek, immediately downstream from Jelly's Ferry Road crossing, and adjacent to Interstate 5. 200 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
  UC483339  Aristolochia californica E. K. Anderson 1893-1 Tehama Vina Ranch Comment
  JEPS20872  Arnica dealbata Jos. Grinnell 1928-6-30 Tehama near Sugar Pine Flat (Viola Road) 1889 Comment
  UC1558234  Arnica dealbata Harold and Virginia Bailey 1948-8-28 3060 Tehama near Sulphur Creek Campground; Lassen Volcanic National Park 2011 Comment
  CAS-BOT-BC295877  Arnica dealbata A. A. Heller 1938-7-28 15291 a Tehama About the Sulphur Works, Lassen Volcanic National Park Comment
  RSA66995  Artemisia douglasiana Philip A. Munz 1951-7-25 16882 Tehama 1/3 mile east of Square Lake, South Yolla Bolly Mountains 2134 Comment
  CHSC31487  Asarum caudatum T. Spira; R. Thode 1978-7-27 Tehama Pole Corral Gap area, w of Little Red Mountain, Shasta-Trinity NF-Yolla Bolla RD. 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
  UC1949227  Asclepias eriocarpa Barbara Ertter with Brad Olson 1991-7-5 10302 Tehama Metzger Ranch at confluence of Big and Little Crane creeks [=Stiver's Ranch], ca 15 airmiles WNW of Red Bluff; Long Gulch Comment
  UC878977  Asclepias eriocarpa Alice Eastwood Aug 22 1912-Aug 26 1912 1924 Tehama Payne Creek Lassen Butte Region Comment
  CHSC63375  Asclepias solanoana Vernon H. Oswald 1994-6-11 6266 Tehama Tedoc Rd. (Forest Rd. 45) 3.8 mi S of Pattymocus Lookout Rd., 2.2 mi N of Tedoc Gap, W of Red Bluff and S of Platina. 1359 Comment
  HSC74071  Asclepias solanoana J. P. Smith, Thomas W. Nelson 1979-6-24 10196 Tehama Tedoc Gap at road to Stuart Gap. 1372 Comment
  CHSC77296  Asclepias speciosa L. P. Janeway; B. Castro 1999-6-14 6463 Tehama Along south side South Fork Cottonwood Creek. 310 Comment
  CHSC87454  Aspidotis densa R. D. Fischer 2004-3-14 88 Tehama Sierra Nevada range, off Hwy 32 between Butte Meadow turn-off and Potato Patch Campground. Follow County Road 27N08 west to one lane bridge over Deer Creek. The campground there has a trail heading west with the creek. Follow that trail approx. 2 miles. Near trail edge. UTM: 10617775E 4447032N. 879 Comment
  RSA755499  Aspidotis densa Barbara Ertter, Brad Olson 1991-7-4 10209 Tehama Toomes Camp Road (Mendocino FR 23N01) 11.8 miles west of Paskenta, ca. 25 air miles west of Corning at spring on south side of Round Mountain, 2.2 miles inside forest boundary. 976 Comment
  UCR130063  Aster occidentalis var. occidentalis George K. Helmkamp, E. A. Helmkamp 2001-7-7 6910 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-BC177278  Astragalus accidens var. hendersonii Alice Eastwood; John Thomas Howell 1934-4-22 1868 Tehama Paynes Creek Comment
  RSA0006698  Astragalus accidens var. hendersonii Unspecified 1954-5-14 11486 Tehama Paynes Creek Comment
  CHSC66014  Astragalus gambelianus Vernon H. Oswald; Lowell Ahart 1996-4-29 7496 Tehama Thomas Creek Ecological Reserve. Northwest side of the Sacramento Valley. Localized population on a high bank along the N side of a large meander plain of the intermittent stream ca. 0.3 mi E of the W boundary. 102 Comment
  CHSC96675  Astragalus gambelianus Lowell Ahart; John Dittes, Andrea Craig 2007-5-13 13837 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
  JEPS54654  Astragalus gambelianus W. L. Jepson 1899-4-25 13749 Tehama Crane Creek , Crane Creek (Stivers' Ranch) Comment
  UC511473  Astragalus gambelianus D. K. Gillespie 1930-5-9 9297 Tehama on Susanville Road 18 mi w Mineral; w of Mineral Comment
  UC862951  Astragalus gambelianus Lewis S. Rose 1934-4-22 34247 Tehama 4 mi e Paynes Creek Comment
  CAS-BOT-BC192806  Astragalus pauperculus R. C. Barneby 1954-5-15 11491 Tehama 2 1/2 miles e. of Paynes Creek 624 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
  JEPS86513  Astragalus pauperculus Roy E. Buck, Glenn L. Clifton 1990-4-3 1484 Tehama 10 air km ne Red Bluff (ca 3.3 air km e of Sacramento River-Sevenmile Creek confluence, just e of gas pipeline); e of Sacramento River-Sevenmile Creek confl, ne of Red Bluff 228 Comment
  JEPS88615  Astragalus pauperculus Roy E. Buck, Glenn L. Clifton 1990-3-28 1472 Tehama n side of unnamed e-draining dry creek ca 1.5 km n Thomes Creek (ca 6.5 air km nne of 325' elev on Jewett Creek, 7 air km nnw of Corning, ca 10 m e of gas pipeline); n of Thomes Creek, nne Jewett Creek, nnw of Corning 96 Comment
  CHSC118209  Astragalus pauperculus Tim Kask 2016-4-1 256 Tehama Antelope Creek drainage, McClure Trail, 0.5 mi from top of trail, on side of trail. UTM 10T 0598851/4458647. Comment
  CAS-BOT-BC193061  Astragalus purshii var. tinctus Douglas Barbe 1955-7-16 184 Tehama On the east ridge leading to the summit of South Yolla Bolly (Mt. Linn) 2286 Comment
  RSA121620  Astragalus purshii var. tinctus G. D. Barbe 1955-7-16 184 Tehama On the E ridge leading to the summit of S Yolla Bolly (Mt. Linn) 2287 Comment
  CHSC56642  Astragalus rattanii var. jepsonianus Kate A. Hanson 1977-3-31 Tehama Ca 1.6 km southeast of Round Valley Road, ca 6.4 km northwest-north of intersection of Round Valley Road and Newville Road; ca 38.4 km west-northwest of Corning. 450 Comment
  JEPS76651  Astragalus whitneyi var. siskiyouensis L. R. Heckard 1972-6-17 2973 Tehama western slope Tedoc Mt. 1310 Comment
  RSA700225  Astragalus whitneyi var. siskiyouensis L. P. Janeway 2001-6-10 7141 Tehama West side of Tedoc Gap. 1340 Comment
  UCD105511  Astragalus whitneyi var. siskiyouensis D. W. Taylor; G. L. Stebbins 1972-6-17 1512 Tehama Tedoc Mt. 1371 Comment
  CHSC28  Athyrium filix-femina var. cyclosorum V. Holt 1935-10-1 Tehama Deer Creek Road. Comment
  UC1010358  Athysanus pusillus Milo S. Baker 1953-4-26 12553 Tehama 5 mi w of Paskenta (along Crane Lumber Company road); Crane Lumber Company road Comment
  RSA90471  Athysanus pusillus Milo S. Baker, H. K. Wagnon 1953-4-26 12553 Tehama 5 miles W of Paskenta Logging road. 305 Comment
  CHSC48283  Atriplex heterosperma Vernon Oswald 1987-9-8 3235 Tehama Hwy 36 at Morgan Summit, near the Lassen Park turn-off. 1752 Comment
  OBI59214  Balsamorhiza hookeri Beth Corbin, Kim Earll, Linnea Hanson, Lawrence Janeway, Glenn Clifton, Mary lou Mini 1995-5-16 770 Tehama Lassen Natl forest, Almanor Ranger District. Devils Parade Groudn quad T26N, R2E, NW 1/4 of SE 1/4 sec 34. Ishi Wilderness; at Graham Pinery, about 2 mi NNW of Campbellville 847 Comment
  CAS-BOT-BC106472  Balsamorhiza sagittata E. B. Babcock 1903-7-1 4293 Tehama Near Morgan, Mount Lassen - Mill Creek Canyon 2438 Comment
  CHSC94371  Barbarea orthoceras Lowell Ahart 2006-7-19 13044 Tehama On 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
  CHSC79697  Berberis aquifolium var. dictyota L. P. Janeway; B. Castro 2000-4-22 6678 Tehama High Cascade Range. Along Ponderosa Way at turn to South Antelope Campground; north side of South Fork Antelope Creek. 902 Comment
  HSC74850  Berberis aquifolium var. repens J. P. Smith, Thomas W. Nelson 1978-7-22 10038 Tehama Shasta-Trinity National Forest. On the road to Mt. Tedoc 1585 Comment
  CAS-BOT-BC75613  Berberis dictyota Lowell Ahart 1970-3-22 s.n. Tehama Near Manton. 609 Comment
  CAS-BOT-BC75957  Berberis pumila Alice Eastwood; John Thomas Howell 1941-7-9 9727 Tehama Log Spring Ridge between Log Spring and Government Flat. Comment
  CHSC113026  Bergia texana Lowell Ahart 2013-8-2 18976 Tehama South side of Burris Creek, strand of Black Butte Reservoir, about 1 1/2 miles southwest of the Dam, about 12 miles (air) northwest of Orland. 135 Comment
  JEPS124114  Bergia texana Lowell Ahart, John Dittes 2015-6-22 20265 Tehama About 1/4 mile north of Lassen Road, about 1.7 miles northeast of the intersection of Lassen Road and State Highway 99-E, about 4 miles (air) east of Vina, about 7 miles (air) southeast of Los Molinos. Comment
  CHSC65659  Blennosperma nanum var. nanum Vernon H. Oswald 1996-3-20 7247 Tehama Thomes Creek Ecological Reserve. Northwest side of Sacramento Valley, Corning. Ca. 0.7 mi S of Gyle Rd., near the dirt lane bordering the W side of the parcel. 106 Comment
  CHSC20267  Boechera breweri Wes Dempsey 1975-5-25 Tehama Cub Creek, 1 mi s of Alder Campground. 1371 Comment
  UCD114364  Boechera breweri Dean W. Taylor 1976-7-7 6050 Tehama Headwaters of Cub Cr. 1859 Comment
  UC1010354  Boechera breweri subsp. breweri Keith Wagnon 1953-5-10 12641 Tehama between 6 to 7 mi past Paskenta Comment
  CAS-BOT-BC15939  Boechera breweri subsp. breweri John Thomas Howell 1960-8-23 36460 Tehama Lassen Volcanic National Park. Lassen Loop south of Diamond Peak. 2194 Comment
  CHSC65398  Boechera lemmonii Vernon Oswald 1986-7-24 2239 Tehama Summit of Brokeoff Mountain Trail, Lassen Volcanic National Park. 2804 Comment
  CAS-BOT-BC14727  Boechera repanda Walter Knight; Irja Knight 1968-7-6 2564 Tehama Government Flat. 1783 Comment
  UC1736745  Boechera repanda Dean W. Taylor 1997-7-18 16143 Tehama headwaters North Fork Elder Creek 1981 Comment
  RSA32921  Boisduvalia densiflora var. densiflora A. A. Heller 1941-7-29 16270 Tehama Near Highway #36, 7 miles west of Chester Comment
  UCD140012  Bolboschoenus glaucus 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
  UC1751232  Botrychium ascendens Timothy B. Devine 1986-8-10 893 Tehama beside Willow Creek 1 mi S of jct with end of logging road, 1.5 mi N of jct with Colby Mountain Road 1645 Comment
  UC1751237  Botrychium crenulatum Timothy B. Devine 1985-7-7 840 b Tehama beside Willow Creek 1 mi S of jct with logging road 1.5 mi N of jct with Colby Mt. Road 1645 Comment
  CHSC82520  Botrychium simplex Lowell Ahart 2002-6-29 9798 Tehama On the south side of a partly fallen lodgepole pine, in the north part of a large meadow, on the east side of Willow Creek, about 1/8 mile south of Colby Mountain Lookout Road where it crosses Willow Creek, about 5 miles (air) northeast of Butte Meadows. 1574 Comment
  CHSC66873  Brickellia californica Vernon H. Oswald; Lowell Ahart 1996-9-4 8254 Tehama Cascade Range Foothills. Hog Lake Plateau. BLM parcel along Hwy. 36 NE of Red Bluff. 131 Comment
  CHSC85285  Brickellia grandiflora John Dittes; Josephine Guardino, Lowell Ahart 2003-8-23 800 Tehama High North Coast Range; Yolla Bolly-Middle Eel Wilderness; South Yolla Bolly Mountains; north slope of Mt. Linn; gravel moraine at north edge of Square Lake. 2139 Comment
  RSA201257  Brickellia greenei J. T. Howell 1960-8-23 s.n. Tehama Lassen Loop south of Diamond Peak 2195 Comment
  JEPS88349  Briza minor Vernon H. Oswald and Lowell Ahart 1996-4-15 7383 Tehama CDFG parcel on s side Gyle Rd. (at w boundary just n of intermittent stream, nw of Corning, nw side of Valley); Sacramento Valley, Thomes Creek Ecological Reserve 105 Comment
  JEPS5516  Brodiaea californica var. californica R. F. Hoover 1936-5-21 1181 Tehama 4 mi s Cottonwood Comment
  CHSC66095  Brodiaea coronaria subsp. coronaria Vernon H. Oswald; Lowell Ahart 1996-5-27 7650 Tehama Thomes Creek Ecological Reserve. CDFG parcel on the S side of Gyle Rd. NW of Corning. 103 Comment
  RSA90480  Brodiaea coronaria subsp. rosea Milo S. Baker, H. K. Wagnon 1953-6-21 s.n. Tehama West of Paskenta at Whiskey Saddle. 1449 Comment
  UCD77206  Brodiaea elegans Robert E. Preston 2004-5-8 2238 Tehama 6.1 mi SW of Cottonwood, along Jellys Ferry Rd 115 Comment
  UC1950250  Brodiaea elegans Barbara Ertter 1991-5-19 9885 Tehama Vina Plains ca 13 airmiles due E of Corning, on Lassen Road 3.8 mi from Hwy 99 Comment
  RSA0028833  Brodiaea elegans subsp. elegans Lee W. Lenz 1966-5-24 24652 Tehama 3.5 mi W of jct state 36 and Co A5. Comment
  UC1950271  Brodiaea minor Barbara Ertter 1991-5-19 9873 Tehama 14.5 mi W of Red Bluff on Hwy 36, near Baxter Road junction Comment
  CHSC64639  Brodiaea nana Vernon H. Oswald; Lowell Ahart 1995-4-17 6652 Tehama 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 w boundary between Dales Lake and the n cluster of Pools. Dales Lake Ecological Reserve. 213 Comment
  UCD32620  Bromus carinatus Beecher Crampton 1954-6-16 1991 Tehama Tehama County, Hawell Saddle, open glade, 0.25 mile west of Howell camp. 1892 Comment
  CAS-BOT-BC155979  Bromus diandrus A. A. Heller 1916-4-20 12337 Tehama 3 miles north of Red Bluff. Comment
  CHSC41039  Bromus diandrus Pauleen Broyles 1982-4-30 511 Tehama The Nature Conservancy Vina Plains Preserve. N of barn in s pasture. 63 Comment
  CHSC66122  Bromus diandrus Vernon H. Oswald; Lowell Ahart 1996-4-29 7486 Tehama Northwest side of Sacramento Valley. Thomes Creek Ecological Reserve. CDFG parcel on the S side of Gyle Rd. NW of Corning. Collected near the farm pond located on the S boundary. 105 Comment
  HSC31979  Bromus diandrus Donald Spalinger 1974-5-5 50 Tehama 21 mi. E of Trinity Co. line on Hwy. 36 Comment
  JEPS69202  Bromus hordeaceus W. L. Jepson 1899-4-25 Tehama Stivers Ranch, in the Cottonwood and its tributaries Stivers Ranch Comment
  CHSC87145  Bromus laevipes Jenny Marr; Heidi West, Caroline Warren, Natalie Wight 1998-7-9 Tehama Vicinity of Red Bank Creek and Sunflower Gulch. Near creek. 289 Comment
  UCD59024  Bromus madritensis Ray Evans 1956-5-1 s.n. Tehama 15 miles west of Corning. Comment
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Jul 19 2009
  JEPS88108  Bromus madritensis subsp. madritensis Vernon H. Oswald and Lowell Ahart 1996-5-6 7508 Tehama BLM parcel along Hwy. 36 n.e of Red Bluff (0.1 mi n of gravel road and 0.1 mi w of the Jeep Trail, Cascade Range Foothills, Hog Lake Plateau); Cascade Range Foothills, Hog Lake Plateau 213 Comment
  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
  UCR131628  Bromus orcuttianus Beecher Crampton 1954-6-16 1968 Tehama Mendocino National Forest., Along the main logging road of Crane Mills, Inc., 0.5 miles northwest of Whiskey Saddle 1439 Comment
  UCSB63894  Bromus racemosus Oswald, Vernon; Ahart, Lowell 1996-5-20 Tehama Hog Lake Plateau; BLM parcel along Hwy 36, NE of Red Bluff (T28N, R2W, NW1/4, NE1/4 Sect 8); Cascade Range Foothills, Paynes Creek 158 Comment
  SEINET10523834  Bromus rigidus Paul Gallian, Billy Joe Cox 1971-6-10 Gallian 712 Tehama 8 mi e of red bluff on califonria hwy 36, live oak, savannah and aesculus. 152 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
  JEPS88290  Bromus sterilis Vernon H. Oswald and Lowell Ahart 1996-5-6 7523 Tehama BLM parcel along Hwy 36 ne of Red Bluff (Hog Lake Plateau, Cascade Range Foothills, along Paynes Creek); Hog Lake Plateau, Cascade Range Foothills, Paynes Creek 124 Comment
  UCSB63934  Bromus sterilis Oswald, Vernon; Ahart, Lowell 1996-5-6 Tehama Hog Lake Plateau; BLM parcel along Hwy 36, NE of Red Bluff (T28N, R2W, NW1/4, NE1/4 Sect 8); Cascade Range Foothills, Paynes Creek 124 Comment
  CHSC80715  Bromus tectorum Lowell Ahart 2001-6-14 8834 Tehama Northwest of the dirt road that leads to the tower, on the north side of road M2, about 8 miles west of Paskenta. 609 Comment
  UC1037410  Cacaliopsis nardosmia Douglas Barbe 1955-7-17 204 Tehama along the road to Oven Lid at the sign Sommerset 3/4, w Tehama Co 1889 Comment
  RSA639005  Caesalpinia gilliesii Michael A. Vincent 1999-6-6 8513 Tehama Roadside along CA Rt. 99, 1 mile north of Los Molinos. Comment
  JEPS88466  Calandrinia ciliata Vernon H. Oswald and Lowell Ahart 1996-4-3 7295 Tehama n.w. Corning (CDFG parcel on s. side of Gyle Rd., on flood plain of intermittent stream ca. 0.4 mi. e. of the dirt lane along w. side of parcel, Thomes Creek Ecological); n.w. Sacramento Valley, Thomes Creek Ecological Reserve 103 Comment
  CHSC96376  Callitriche hermaphroditica Lowell Ahart 2007-4-3 13610 Tehama In shallow water of a large vernal pool, east of the poor dirt road, 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
  CHSC64517  Callitriche longipedunculata Vernon H. Oswald; Lowell Ahart 1995-4-3 6570 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. Drainage along the unimproved road approaching the w boundary (w of the Old Hwy. Pool). 213 Comment
  CHSC79102  Callitriche marginata B. Castro; L. P. Janeway 2000-4-5 1060 Tehama Vicinity of Orland, among 'hummocky' rolling hills of grazed annual grassland adjacent to Rice Creek. 115 Comment
  UCD139611  Calochortus A. A. Beetle 1942-5-18 3310 Tehama Rt. 36 east of Red Bluff, near Dales. Comment
  CHSC70919  Calochortus amabilis Vernon Oswald; Lowell Ahart 1998-4-27 8966 Tehama Cannon Rd. 1.1 mi west of its junction with Hwy. 36 west of Red Bluff. 256 Comment
  UCR11256  Calochortus amabilis Wm. Horn Jr. 1967-5-28 670528- 3 Tehama Sacramento Valley/North Coast Range, Highway 36, 20 miles west of Red Bluff 244 Comment
  UC54193  Calochortus leichtlinii H. M. Hall and E. B. Babcock Jul 1 1903-Jul 2 1903 4355 Tehama near Morgan; Mount Lassen, Mill Creek Canyon 1524 Comment
  CAS-BOT-BC492649  Calochortus luteus Ethel Wickes 1917-6-1 s.n. Tehama Red Bluff Comment
  CAS-BOT-BC492653  Calochortus luteus L. E. Smith 1915-5-27 s.n. Tehama Red Bluff Comment
  SBBG41817  Calochortus luteus W. M. Plumb -May-1971 Tehama N of Red Bluff 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
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Feb 26 2020
  UC648403  Calochortus nudus Marion Ownbey and Ruth P. Ownbey 1938-7-16 1744 Tehama 7 mi n Mineral (on road to Viola); Dry Lake Comment
  CAS-BOT-BC483500  Calochortus splendens Geo. B. Grant 1901-6-15 s.n. Tehama Mill Creek Canyon near Skinner 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
  UC2013026  Calochortus superbus Barbara Ertter 1990-5-12 8928 Tehama NW side of Dry Fork Creek NW of junction of Highway 36 and Route A5 (Bowman Road) ca 15 air miles WNW of Red Bluff, on Reed property. Comment
  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
  UCD112390  Calochortus tolmiei Christopher Mallek 2008-5-7 RR4- 5 Tehama Raglin Ridge. 927 Comment
  HSC15382  Calochortus tolmiei Louise Kellogg 1952-7-9 7 Tehama Near Squaw Camp and Pole Corral on Boswell Ridge directly S of S Yolla Bolly Mtn. 2134 Comment
  CAS-BOT-BC175773  Caltha leptosepala H. F. Copeland 1920-7-17 88 Tehama Meadow on Butt Mt 1828 Comment
  CAS-BOT-BC175774  Caltha leptosepala Jeanne Janish; Carl Janish 1938-9-6 s.n. Tehama At shore of Summit Lake, Lassen National Park 2042 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
  CHSC97918  Calycadenia fremontii G. F. Hrusa; J. Hart 1998-5-10 14425 Tehama S side of Coyote Creek, Coyote Creek Conservation Area, approx. 1.5 mi W of Paskenta Rd. 130 Comment
  UCD129779  Calycadenia fremontii G. F. Hrusa; J. Hart 1998-5-10 14425 Tehama south side of Coyote Creek, Coyote Creek Conservation Area, approximately 1.5 miles west of Paskenta Road. 130 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
  CHSC118606  Calycadenia fremontii R. L. Carr 1978-7-6 2113 Tehama Long Gulch Camp along US Hwy 36 (Beegum Rd), ca. 0.5 mi E of Tedoc Rd jct, ca. 40 mi NW of Red Bluff, Comment
  RSA789305  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
  UC1971675  Calycadenia fremontii 1977-7-4 2022 Tehama E of Red Bluff, along S side o Hwy 36, 4.5 mi NE of jct with Hwy 99 168 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
  CHSC85290  Calycadenia pauciflora John Dittes; Josephine Guardino, Lowell Ahart 2003-8-23 780 Tehama Inner North Coast Range; ca. 3.9 air-miles west by southwest of Paskenta, ca. 3.6 air-miles south by southeast of Eagle Peak, ca. 1.4 air-miles north of confluence of Thomes Creek and Mill Creek; Crowfoot Point, south of Toomes Camp Road. Road edge. 576 Comment
  SEINET3863983  Calycadenia pauciflora R. L. Carr 1978-7-6 2112 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.; 0 503 Comment
  RSA255610  Calycadenia pauciflora Gerald D. Carr 1971-8-19 645 Tehama 8 miles SW of Paskenta via Round Valley Road, along road to Mud Flat Campground 503 Comment
  RSA789279  Calycadenia pauciflora R. L. Carr 1978-7-6 2112 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
  UC1876238  Calycadenia pauciflora Gerald D. Carr 1973-6-23 741 Tehama 11.6 mi NW of Paskenta on Toomes Camp Rd. 1066 Comment
  UC1876251  Calycadenia pauciflora Gerald D. Carr 1971-9-18 664 Tehama 4.6 mi W of Hwy A5 on Hwy 36 167 Comment
  UC1876254  Calycadenia pauciflora Gerald D. Carr 1973-6-23 743 Tehama 1.4 mi W of Mountain Rd of Colyear Springs Rd. 365 Comment
  UC1876258  Calycadenia pauciflora Gerald D. Carr 1971-8-19 645 Tehama 8.0 mi SW of Paskenta via Round Valley Rd., SE facing serpentine slope along rd. to Mud Flat Campground. 502 Comment
  UCD129817  Calycadenia pauciflora Gerald D. Carr 1971-8-19 645 Tehama 8.0 miles southwest of Paskenta via Round Valley Road. Along road to Mud Flat Campground. 502 Comment
  CHSC77300  Calycadenia truncata L. P. Janeway; B. Castro 1999-6-9 6458 Tehama Vicinity of Dry Creek, west of Red Bank Creek. 316 Comment
  UCD80041  Calycadenia truncata CNPS SN Foothill Team 2005-5-17 SNNR 0195 a Tehama TNC Dye Creek Preserve. 235 Comment
  UCD135707  Calycadenia truncata Bruce G. Baldwin 1986-6-25 605 Tehama 1.5 miles east of junction with Plum Creek Road (Paynes Creek) along Paynes Creek Loop. 609 Comment
  HSC75048  Calycanthus occidentalis J. P. Smith, Thomas W. Nelson 1978-7-22 10043 Tehama Shasta-Trinity National Forest, Weston Ranch. 1341 Comment
  JEPS14628  Calyptridium quadripetalum Helen K. Sharsmith 1954-6-24 Tehama leading to Eagle Peak (one mi below summit, Mendocino National Forest); Inner North Coast Ranges, Mendocino National Forest 1066 Comment
  UC1051536  Calyptridium quadripetalum Helen K. Sharsmith 1954-6-24 4345 Tehama sw ridge leading to Eagle Peak (1 mi below summit, Mendocino National Forest); Inner North Coast Ranges, Mendocino National Forest 1066 Comment
  HSC103786  Calystegia atriplicifolia subsp. buttensis L. P. Janeway 2006-6-25 8710 Tehama High Cascade Range. Along Cohasset Rd. 1.2 road km. and 0.4 air km. NE of upper northern tip of Cohasset Ridge. 1109 Comment
  SFV17871  Calystegia malacophylla subsp. malacophylla J. D. Dilley 1998-7-16 373 Tehama Sierra Nevada North of Lake Almanor on State Route 36, 4.5 miles east of Chester. 1402 Comment
  CHSC34974  Calystegia malacophylla subsp. malacophylla R. A. Schlising 1975-6-21 3170 Tehama Highway 32, 15.0 mi S of jct with Highwy 36. Comment
  UC1731248  Calystegia occidentalis subsp. occidentalis Dean W. Taylor 1997-6-18 16082 Tehama Ponderosa Way about 0.5 miles S of Chapman Gulch; ca. 4 miles S Highway 36. USGS Finley Butte 7.5' Quad. Comment
  CHSC34971  Calystegia occidentalis subsp. occidentalis R. A. Schlising 1975-6-21 3171 Tehama Highway 32, 15.0 mi S of jct with Highway 36. Comment
  CAS-BOT-BC37007  Capsella bursa-pastoris John Thomas Howell 1960-8-20 36247 Tehama Near Lassen Volcanic National Park. Morgan. 1463 Comment
  CHSC81218  Carduus pycnocephalus Caroline Warren; L. P. Janeway, B. Castro 1999-6-8 Tehama Vicinity of Cracker Canyon and South Fork Cottonwood Creek. 365 Comment
  HSC1785  Carex aquatilis Larry Berti 1969-5-9 90 Tehama Antelope Creek Canyon, N face, 12 mi. E of Red Bluff, 3 mi. upstream from dam. 213 Comment
  CHSC106691  Carex athrostachya Barbara Ertter; Brad Olson 1991-7-4 10229 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. Edge of small reservoir. 1310 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
  RSA66645  Carex aurea Phillip A. Munz 1951-7-25 16852 Tehama Square Lake, N base of South Yolla Bolly Mountains 2134 Comment
  CHSC52744  Carex bolanderi L. P. Janeway; Oscar Janeway, Lillian Janeway 1987-5-26 2099 Tehama Along Deer Creek at Elam Creek Campground. 1325 Comment
  JEPS95643  Carex bolanderi Lowell Ahart 1994-7-24 7515 Tehama 1 1/4 air miles N of Jonesville (sides of Willow Creek, 100 yds. N of the dirt road) 1615 Comment
  CAS-BOT-BC19644  Carex brainerdii John Thomas Howell 1960-8-18 36016 Tehama Near Lassen Volcanic National Park. Morgan Summit. 1752 Comment
  UCD140216  Carex breweri John Thomas Howell 1960-8-19 36134 Tehama Lassen Volcanic National Park; Brokeoff Mountain Trail. 2438 Comment
  CHSC76842  Carex densa L. P. Janeway; B. Castro 1999-8-24 6545 Tehama High North Coast Ranges. At Willow Spring; 1.6 mi east of Buck Rock between Forks Ridge and Short Ridge. 1737 Comment
  CDA33052  Carex dudleyi L. P. Janeway 2000-6-3 6860 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 Comment
  CHSC79083  Carex dudleyi L. P. Janeway 2000-6-30 6860 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
  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
  CHSC82143  Carex feta L. P. Janeway 2001-7-29 7398 Tehama High Cascade Range. At Tamarack Spring; about 4.5 km south-southeast of Turner Mountain; the head of Gunbarrel Creek. Meadow. 1667 Comment
  CHSC106528  Carex fracta Peter F. Zika 2009-8-17 24610 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
  SEINET4231859 Image available Carex fracta Unknown 2009-1 9872 Tehama High Cascade Range. Lassen National 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. Comment
  UCD140344  Carex fracta John Thomas Howell 1960-8-18 36093 Tehama near Lassen Volcanic National Park; Bluff Falls. 1981 Comment
  UCD140354  Carex globosa John Thomas Howell 1955-6-2 30258 A Tehama near Vine Hill School. Comment
  HSC81946  Carex hassei Thomas W. Nelson, Jane P. Nelson 1979-6-25 4873 Tehama Along road from Tedoc Gap to Wells Creek, 0.5 mi. from Tedoc Gap 1372 Comment
  CHSC44213  Carex jonesii Vernon Oswald 1988-6-30 3546 Tehama Meadow located s of the road to Colby Mt. Lookout, between Humboldt Rd. and Willow Creek near Jonesville. Meadow is located along Willow Creek ca. 0.1 mi n of the Butte County line. 1560 Comment
  SEINET3902792  Carex jonesii Barbara Ertter, Brad Olson 1991-7-6 10418 Tehama Rocky Cabin meadow ca 1 mi S of Ball Rock, 1 mi SE of Cold Spring Forest Station, ca 30 airmiles W of Corning.; 0 1890 Comment
  SEINET7563144 Image available Carex jonesii David Castaner 1984-5-28 8060 Tehama Along Highway 36, Gurnsey Creek. Comment
  CAS-BOT-BC376139  Carex klamathensis Barbara L. Wilson; Richard Brainerd 2003-6-20 10951 Tehama Pepperwood Spring, in private property just east of the Mendocino National Forest 899 Comment
  CAS-BOT-BC31103  Carex lemmonii Willard Webster Eggleston 1911-7-18 7302 Tehama Rattlesnake-Colby Creek Divide. 1630 Comment
  JEPS110342  Carex lemmonii Lowell Ahart 2006-7-19 13038 Tehama Small meadow, east of the abandoned logging road, about 150 yards northeast of where the dirt road crosses Colby Creek, about 2 miles (air) southeast of Colby Mountain, about 5 1/8 miles (air) northeast of Butte Meadows 1540 Comment
  CAS-BOT-BC28509  Carex lenticularis var. lipocarpa John Thomas Howell 1944-7-14 19759 Tehama Anthony Peak, east slope. 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
  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
  JEPS63576  Carex multicaulis W. L. Jepson 1927-6-24 12238 Tehama Mineral 1524 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
  UCD80251  Carex multicaulis CNPS SN Foothill Team 2005-6-6 SNFN 0333 a Tehama CDFG Tehama Wildlife Area, south of Oat Creek. 789 Comment
  CAS-BOT-BC32190  Carex multicaulis John Thomas Howell 1960-8-18 36017 Tehama Morgan Summit 1752 Comment
  CHSC102593  Carex multicostata L. P. Janeway 2009-7-26 9874 Tehama High Cascade Range. Lassen national Forest; east side of Hwy 89 1.5 road km south of the boundary of Lassen Volcanic National Park; 1.1 km west of (and above) Mill Creek. 1966 Comment
  JEPS110343  Carex nebrascensis Lowell Ahart 2006-7-19 13039 Tehama Small meadow, east side of the abandoned logging road, about 150 yards northeast of where the dirt road crosses Colby Creek, about 2 miles (air) southeast of Colby Mountain, about 5 1/8 miles (air) northeast of Butte Meadows 1540 Comment
  UCD80250  Carex nebrascensis CNPS SN Foothill Team 2005-6-20 SNNR 0329 Tehama USFS Lassen National Forest, immediately adjacent to Mill Creek. 640 Comment
  HSC37181  Carex nebrascensis John Heywood, D. H. Norris 1968-3-31 1884 Tehama Hwy. 36, 53 mi. E of Shasta Co. line Comment
  CAS-BOT-BC119672  Carex nervina Hans Leschke 1958-8-16 1555 Tehama Grassy Swales. 1950 Comment
  HSC1768  Carex nudata Larry Barti 1969-3-22 62 Tehama N face of Antelope Creek Canyon, 12 mi. E of Red Bluff, 3 mi. upstream from the dam 213 Comment
  JEPS110313  Carex pellita Lowell Ahart 2006-7-25 13072 Tehama In a bog, east side of a large meadow with bogs, about 40 yards west of the poor trail (cow trail?), about 1/2 mile north of where the dirt road crosses Colby Creek, about 2 miles (air) southeast of Colby Mountain, about 5 miles (air) northeast of Butte M 1564 Comment
  RSA66388  Carex scopulorum var. bracteosa Phillip A. Munz 1951-7-25 16855 Tehama Square Lake, N base of South Yolla Bolly Mountains. 2149 Comment
  CHSC79854  Carex serratodens L. P. Janeway; B. Castro 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
  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
  SEINET13705049  Carex serratodens B. L. Wilson, R. Brainerd, D. Isles, L. Janeway, M. Mooers 2002-6-28 10711 Tehama Pepperwood Spring 908 Comment
  CAS-BOT-BC279923  Carex subfusca Peter F. Zika 2012-7-14 25985 Tehama Yolla Bolly Mountain Trail, c. 0.5 miles W of Cold Fork Trail junction, Yolla Bolly Mountains; North Coast Range Highlands (NCoRH) 2130 Comment
  UC1950426  Carex subfusca Barbara Ertter with Brad Olson 1991-7-6 10420 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
  UC710423  Carex subfusca Alice Eastwood, John Thomas Howell 1941-7-9 9814 Tehama Government Flat Comment
  CHSC115777  Carex utriculata Lowell Ahart; John Dittes 2015-8-6 20517 Tehama About 100 yards east of the sping, east of the camping area, west side Childs Meadow, 0.67 air-miles west of intersection of State Highway 36 and Wilson Lake Road (County Road 769), 1.21 air-miles southeast of Doe Mt., 10.41 air-miles south of Lassen Peak. 1498 Comment
  CHSC77381  Castilleja affinis subsp. affinis Natalie Wight; Heidi West, Joyce Lacey-Rickert 1998-5-19 Tehama Vicinity of north end of Rocky Ridge. 274 Comment
  CHSC77619  Castilleja affinis subsp. affinis Heidi West; Jenny Marr, Caroline Warren, Joyce Lacey-Rickert, 1998-5-19 Tehama Vicinity of uppermost N. Fork Stony Creek. 243 Comment
  CHSC32803  Castilleja applegatei subsp. martinii James Jokerst 1980-6-18 896 Tehama North Coast Ranges. Near Mud Flat. Hillside. 852 Comment
  JEPS23788  Castilleja applegatei subsp. pinetorum Rimo Bacigalupi with G. T. Robbins 1959-4-21 7012 Tehama 1.25 mi n Paynes Creek (along Lane Valley Road, near Childs Ranch) 544 Comment
  JEPS2932  Castilleja applegatei subsp. pinetorum W. L. Jepson 1899-4-25 21359 Tehama near Rosewood (Stiver's Ranch, Crane Creek, tributary of Cottonwood Creek); Cottonwood Creek, Crane Creek Comment
  JEPS76658  Castilleja applegatei subsp. pinetorum L. R. Heckard 1972-6-17 2966 Tehama w slope Tedoc Mt. 1310 Comment
  JEPS9782  Castilleja applegatei subsp. pinetorum Jos. Grinnell 1928-6-24 Tehama Mineral 1463 Comment
  CHSC60150  Castilleja attenuata Jean Graham 1988-4-10 1 Tehama Ca 30 mi ne of Orland, n side of Round Valley Rd. 2 mi W of Mendocino National Forest boundary. 377 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
  CHSC27834  Castilleja exserta Eric J. Miller 1978-4-24 1 Tehama 1 km w of Sacramento River at Woodson Brigde. 28 Comment
  CHSC33367  Castilleja exserta Steven Azevedo 1980-4-2 10 Tehama 2 1/2 mi. w of Flournoy, pasture on n side of road. 274 Comment
  JEPS10307  Castilleja exserta subsp. exserta J. W. Blankinship 1911-4-7 Tehama Corning Comment
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Nov 8 2006
  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
  JEPS94160  Castilleja foliolosa Vernon Oswald and Lowell Ahart 1998-4-21 8933 Tehama w. Salt Creek Conservation Camp (Nomalaki Trail between Log Springs Rd. (M4) and Bennett Creek, trailhead on Log Springs Rd. uphill from Wilder Pond); Inner N. Coast Ranges 560 Comment
  UC1010443  Castilleja foliolosa Milo S. Baker 1953-4-26 12548 Tehama 5 mi w Paskenta (along Crane Lumber Co. road, perhaps 200 ft above Paskenta) Comment
  CDA41250  Castilleja foliolosa L. Ahart 2001-6-8 8790 Tehama On the west side of road M2, about 9 miles west of Paskenta. Comment
  CAS-BOT-BC241121  Castilleja miniata David D. Keck 1930-7-24 965 Tehama Mineral 1525 Comment
  CHSC102393  Castilleja tenuis Lowell Ahart; John Dittes, Josephine Guardino 2009-8-27 16328 Tehama About 100 yards east of Forest Service Road 29N25A, Childs Meadows, about 2600 feet south of the intersection of Highway 36 (89) and Forest Service Road 29N25A, 2.3 miles (air) northeast of the town of Mill Creek, 9.1 miles (air) south of Lassen Peak. Area between S23 SE1/4 and S24 SW1/4. 1493 Comment
  SEINET4399745  Ceanothus Leila M. Shultz 1990-5-5 11319 Tehama North Coast Ranges; Mendocino Forest 305 Comment
  UC1096428  Ceanothus X flexilis J. I. Mallory 1957-7-10 152 Tehama Polk Springs; Lassen National Forest, Polk Springs 780 Comment
  JEPS42222  Ceanothus cordulatus W. L. Jepson 1927-6-21 12279 Tehama Mineral 1524 Comment
  CAS-BOT-BC49332  Ceanothus cuneatus Ethel Wickes 1917-6-1 s.n. Tehama Red Bluff Comment
  HSC18270  Ceanothus cuneatus John L. Heywood, D. H. Norris 1968-3-31 1910 Tehama Hwy. 36, 4 mi. E of Shasta Co. line Comment
  CAS-BOT-BC49334  Ceanothus cuneatus var. cuneatus D. O. Burge 2007-5-1 902 b Tehama At roadside 5.5 road miles 8.8 km) west of Paskenta (measured from intersection of Tooms Camp Road and round Valley Rd.) 520 Comment
  CHSC77369  Ceanothus cuneatus var. cuneatus Heidi West; Beth Hendrickson 1999-6-3 Tehama Vicinity of Salt Creek and Newville. 274 Comment
  HSC18303  Ceanothus integerrimus R. C. Sanford 1965-5-1 27 Tehama 22 mi E of Red Bluff on Hwy. 36 610 Comment
  JEPS42448  Ceanothus integerrimus Jos. Grinnell 1925-7-3 Tehama Mineral Turner Mt. 1828 Comment
  RSA700507  Ceanothus integerrimus var. macrothyrsus L. P. Janeway 2001-6-15 7178 Tehama High Cascade Range. Above North Fork California Creek, 1.6km north-northwest of Colby Mountain, between roads 27N12 and 27N06. 1402 Comment
  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
  OBI10379  Ceanothus prostratus var. prostratus H. E. McMinn 1940-6-21 5274 Tehama Deer Crk rd S of Lassen Natl Park Comment
  SDSU10421  Ceanothus velutinus K. Dixon 1942-8-9 181 Tehama Colby Mtn. 1829 Comment
  SBBG4578  Ceanothus velutinus var. velutinus H. and M. Dearing 1938-6-23 2111 Tehama Deer Crk 1219 Comment
  CDA19949  Centaurea maculosa E. Finley 2002-7-1 PDR 1140323 Tehama Northern California; Hwy 36 W-bound at MM 102.75, 1.4 mi W of Plumas Co line. 0 Comment
  CHSC40515  Centaurea solstitialis Pauleen Broyles 1982-7-2 775 Tehama The Nature Conservancy Vina Plains Reserve. Near Hwy 99. 60 Comment
  CHSC66555  Centaurea solstitialis Vernon H. Oswald; Lowell Ahart 1996-7-8 7974 Tehama Cascade Range Foothills. Hog Lake Plateau. BLM parcel along Hwy. 36 NE of Red Bluff. At the NE end of the parcel. 195 Comment
  SEINET8111600 Image available Centaurea solstitialis Julia Harencar, Gregory Reardon 2015-1 DIA 201511 Tehama Hillside to the West of parking lot at end of Green Valley Road. 209 Comment
  SEINET8111606 Image available Centaurea solstitialis Julia Harencar, Gregory Reardon 2015-1 DIA 201505 Tehama Hillside to the West of parking lot at end of Green Valley Road. 209 Comment
  SEINET8111627 Image available Centaurea solstitialis Julia Harencar, Gregory Reardon 2015-1 DIA 201515 Tehama Hillside to the West of parking lot at end of Green Valley Road. 209 Comment
  RSA94834  Centaurea solstitialis F. W. Peirson 1923-7-20 3929 Tehama Red Bluff Comment
  CHSC66115  Centaurium tenuiflorum Vernon Oswald; Lowell Ahart 1996-4-29 7488 Tehama Thomes Creek Ecological Reserve. CDFG parcel on the S side of Gyle Rd. NW of Corning. Northwest side of Sacramento Valley, Valley and Foothills Grassland. In upland E of the large vernal pool in the cluster of pools N of the farm pond located on the S boundary. 103 Comment
  CHSC88250  Centaurium tenuiflorum Lowell Ahart; Samantha Mackey Hillaire 2004-7-9 11200 Tehama Seep on the north side of the Mill Creek Trail (4E10), north of Mill Creek, about 3/4 mile west of the Black Rock, Black Rock Campground, and Ponderosa Way (Forest Road 28N29), about 26 miles (air) east of Red Bluff. 655 Comment
  RSA699702  Centaurium venustum L. Ahart, Samantha Hillaire 2004-7-9 11201 Tehama On the north side of the Mill Creek Trail (4E10), north of Mill Creek, about 3/4 mile west of the Black Rock, Black Rock Campground, and Ponderosa Way (Forest Road 28N29), about 26 miles (air) east of Red Bluff. 655 Comment
  CHSC66839  Centromadia fitchii Vernon H. Oswald 1996-8-22 8240 Tehama Thomes Creek Ecological Reserve. CDFG parcel on the S side of Gyle Rd. NW of Corning. Northwest side of Sacramento Valley. (Collected at the west boundary of the reserve near the creek). 105 Comment
  JEPS38153  Centromadia fitchii W. L. Jepson 1929-9-27 15275 Tehama Corning 76 Comment
  JEPS88450  Cerastium glomeratum Vernon H. Oswald and Lowell Ahart 1996-4-3 7300 Tehama n.w. Corning (CDFG parcel s. side of Gyle Rd., flat betw. old meander of intermittent stream & its present course ca. 0.4 mi. e. of dirt lane along w. side of parcel); n.w. Sacramento Valley, Thomes Creek Ecological Reserve 103 Comment
  HSC1750  Cerastium glomeratum Larry Berti 1969-3-22 55 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
  HSC4105  Cerastium glomeratum Virginia Bailey 1938-4-16 Tehama 6 mi. W of Paskenta on Paskenta-Covelo Rd. Comment
  CHSC93468  Cercis occidentalis Lowell 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
  RSA764746  Cercis occidentalis Doris Bowers 1972-9-1 1888 Tehama Pit River Falls on Hiway 299 1067 Comment
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Jul 9 2013
  HSC49052  Cercis occidentalis Patricia Shesgreen 1978-5-13 89 Tehama Beegum Gorge, FS Rd. 1S02, 2.7 mi. off Hwy. 36 and A16 976 Comment
  CAS-BOT-BC135575  Cercocarpus betuloides var. betuloides Doris Kildale 1930-5-9 9307 Tehama 15 miles west of Mineral on Susanville Road Comment
  JEPS81105  Cercocarpus betuloides var. betuloides J. P. Smith and T. W. Nelson 1978-7-22 10046 Tehama Shasta-Trinity National Forest 1280 Comment
  JEPS94573  Cercocarpus ledifolius var. intermontanus Vernon Oswald and Lowell Ahart 1997-7-7 8683 Tehama Lookout Tomhead Mtn. (near the ne corner of Yolla Bolly-Middle Eel Wilderness) 2057 Comment
  UCD130249  Chaenactis douglasii Gerald Dickinson 1964-7-24 240 Tehama summit of Anthony Peak. 2121 Comment
  CHSC44186  Chaenactis douglasii var. douglasii Vernon Oswald 1988-6-27 3535 Tehama Trail between Ides Cove Trailhead and 25N16 along the e side of the Yolla-Bolly-Middle Eel Wilderness w of Paskenta. 2133 Comment
  CHSC61762  Chaenactis douglasii var. douglasii Vernon H. Oswald; Lowell Ahart 1993-9-2 5904 Tehama Ridge running E from Mt. Linn, South Yolla Bolly Mtns., ca. 20 mi (air) NW of Paskenta. 2407 Comment
  HSC70129  Chaenactis douglasii var. douglasii Thomas W. Nelson, Jane P. Nelson 1978-7-22 4454 Tehama Along road to Handy Camp Gulch, 0.25 mi. E of Wells Creek 1372 Comment
  HSC74948  Chaenactis douglasii var. douglasii J. P. Smith, Thomas W. Nelson 1979-6-23 10161 Tehama Summit of Tedoc Mtn., Shasta-Trinity Natl. Forest 1646 Comment
  HSC75051  Chaenactis douglasii var. douglasii J. P. Smith, Thomas W. Nelson 1978-7-22 10040 Tehama Shasta-Trinity National Forest. On the road to Mt. Tedoc 1585 Comment
  UC1299289  Chaenactis douglasii var. douglasii Freed W. Hoffman 1950-7-1 3532 Tehama Ovenlid, w Tehama County North Coast Ranges, Ovenlid Comment
  LA97825  Chaenactis douglasii var. douglasii J. M. Tucker; L. K. Mann 1959-7-19 3545 Tehama summit of South Yolla Bolly Mountain 2465 Comment
  SD133931  Chaenactis glabriuscula var. heterocarpha Barbara Ertter 1989-5-3 8444 Tehama Deer Creek Road (Rt 32) at milepost 12.00, East side of Deer Creek ca.20 airmiles southwest of Chester 975 Comment
  UC1010348  Chaenactis glabriuscula var. heterocarpha Milo S. Baker 1953-5-10 12633 Tehama logging road w of Paskenta (between mile posts 9 and 10) Comment
  CHSC44858  Chaenactis glabriuscula var. megacephala Lowell Ahart 1979-4-25 1841 Tehama Along Dibble Creek, about 1.5 air miles north of Red Bluff. 91 Comment
  CAS-BOT-BC277785  Chaenactis nevadensis John Thomas Howell 1960-8-19 36195 Tehama Lassen Volcanic National Park. Summit ridge of Brokeoff Mt. 2804 Comment
  JEPS83939  Chamaesyce hooveri R. D. Stone 1986-7-24 787 Tehama 1.3 mi sse intersection of Hwy 99 and Rowles Rd (0.55 mi sw of Hwy 99); Vina Plains 60 Comment
  CHSC59085  Chamaesyce maculata Vernon H. Oswald 1992-8-19 5160 Tehama Lassen Volcanic National Park. Lassen Hwy. (Hwy. 89) at the parking area, Brokeoff Mtn. trailhead. 2023 Comment
  JEPS66423  Chamaesyce ocellata L. R. Heckard and P. Rubtzoff 1971-7-31 2685 Tehama above Sacramento River (at the marina, n of Red Bluff) Comment
  CHSC64910  Chamaesyce ocellata subsp. ocellata Vernon H. Oswald; Lowell Ahart 1995-6-13 6861 Tehama Cascade Range Foothills. Dales Lake Ecological Reserve. W side of Manton Rd. (A6) ca. 2 mi n of Hwy. 36 at Dales Station, ca. 14 mi ne of Red Bluff. On the jeep road near its junction with the old highway, on top of a ridge crossing the ne corner of the reserve. 225 Comment
  JEPS97299  Chamaesyce ocellata subsp. ocellata Vernon H. Oswald and L. Ahart 1995-6-13 6861 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 Hwy. 36 at Dales Station, ca. 14 mi ne of Red Bluff 225 Comment
  CHSC115900  Chamaesyce ocellata subsp. rattanii B. Castro; R. Carter, B. Humphrey, M. Berry 2015-7-20 2106 Tehama Sacramento Valley. N edge of Elder Creek channel, ca 1.15 air mi NW of its confluence with the Sacramento River and 1.05 air mi E of the San Benito Ave. bridge over Elder Ck at the town of Gerber. Just W of pronounced bend in channel. 62 Comment
  CHSC117307  Chamaesyce ocellata subsp. rattanii B. Castro; E. MacKinnon, A. Groom and B. Humphrey 2016-7-22 2146 Tehama Elder Creek Sediment Removal Project. Sacramento Valley. Near center of Elder Creek channel, ca 2.25 air mi NW of its confluence with the Sacramento River and 220 ft W of the San Benito Ave. bridge at the town of Gerber. Ca 25 ft E of railroad bridge, on gravel berm on N side of now-dry lowflow channel. Gravel piled, and somewhat compact, but not as cemented with hard silt as more common for this species in this creekbed. 70 Comment
  CHSC76752  Chamaesyce ocellata subsp. rattanii J. Marr; H. West, C. Warren 1998-7-3 Tehama About 20 air miles W of Red Bluff, vicinity of Dry Creek W of the 'water gap. 310 Comment
  CHSC79994  Chamaesyce ocellata subsp. rattanii L. P. Janeway; B. Castro 2000-6-19 6805 Tehama Vicinity of Thomes Creek, Bowers Creek, and Bennett Creek. 1040 Comment
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Jan 17 2008
  JEPS103421  Chamaesyce ocellata subsp. rattanii Lowell Ahart, John Dittes, Jim Gannon, Lyle Martinez 2002-11-4 10013 Tehama 1 1/4 air mi SE of Corning (150 yds S of Jewett Creek, E of Marguerite Road) 82 Comment
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Apr 15 2015
  CHSC117619  Chamaesyce serpillifolia subsp. serpillifolia Lowell Ahart; John Dittes, Josephine Guardino 2016-9-21 21368 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
  CHSC59181  Chamaesyce serpillifolia subsp. serpillifolia Vernon H. Oswald 1992-9-29 5228 Tehama Hwy. 89 at Bluff Falls, 0.8 mi S of the boundary of Lassen Volcanic National Park. Roadside. 1972 Comment
  CHSC84605  Chamaesyce serpillifolia subsp. serpillifolia Lowell Ahart; John Dittes 2003-9-17 10577 Tehama On a gravel bar on the south side of Deer Creek, about 400 yards east of Highway 99, about 5 miles (air) southeast of Los Molinos. 60 Comment
  RSA90601  Cheilanthes covillei Milo S. Baker 1953-5-10 12640 Tehama In rock crevices above logging road west of Paskenta between 6 and 7 mile posts 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
  JEPS94911  Cheilanthes gracillima Vernon Oswald and Lowell Ahart 1997-6-10 8551 Tehama On M2 (23N69) 0.9 mi w junction with M4 (between Sugar Spring and Government Flat campgrounds, between Paskenta and Covelo) 1737 Comment
  UC1299767  Cheilanthes gracillima Freed W. Hoffman 1950-7-1 3702 Tehama near Ball Rock (w Tehama Co) Comment
  RSA90778  Cheilanthes gracillima Milo S. Baker, H. K. Wagnon 1953-7-11 12836 Tehama 3 miles from Whitlock Camp along country road in rock crevices 1524 Comment
  JEPS59691  Chenopodium ambrosioides W. L. Jepson 1934-5-4 16626 Tehama 2 mi e Andrews road sta.; Big Antelope Creek 76 Comment
  JEPS96084  Chenopodium ambrosioides Vernon H. Oswald and Lowell Ahart 1996-9-4 8261 Tehama BLM parcel along Hwy 36 ne Red Bluff (along creek, ca 1 mi upstream from old bridge site); Cascade Range Foothills, Hog Lake Plateau, Paynes Creek 131 Comment
  SEINET4558825  Chenopodium botrys Steven P. McLaughlin 1989-1 5682 A Tehama Along Highway 36, 7.5 miles west of Red Bluff 244 Comment
  CDA23369  Chenopodium californicum Vernon H. Oswald & Lowell Ahart 1998-4-27 8969 Tehama Pettyjohn Road, 0.9 mile west of its junction with Weemasoul Road, west of Red Bluff and southeast of Platina. Comment
  CHSC61421  Chimaphila menziesii Vernon H. Oswald; Lowell Ahart 1993-8-18 5816 Tehama Lassen Volcanic National Park. E slope of Mt. Conard near the boundary of the park. 2151 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-BC451367  Chimaphila menziesii Hans Leschke 1964-8-2 1881 Tehama Lassen Volcanic Nat. Park: Mills Creek Falls Comment
  CHSC56990  Chimaphila umbellata Steven Triano; Stefani Eiben 1988-5-7 150 Tehama Fir forest ca 0.1 mi ne of Gurnsey Creek Campground. 1463 Comment
  CDA1895  Chloris virgata T. C. Fuller 1963-8-26 11151 Tehama East side of Hwy 99E to Chico, at road junction with road to Corning, 0.5 miles south of road to Vina. 0 Comment
  JEPS88262  Chlorogalum angustifolium Vernon H. Oswald and Lowell Ahart 1996-5-27 7647 Tehama n.w. Corning (CDFG parcel on s. side of Gyle Rd., along pipeline ca. 0.1 mi. n. of s. boundary, Thomes Creek Ecological Reserve); n.w. Sacramento Valley, Thomes Creek Ecological Reserve 102 Comment
  UCR263781  Chlorogalum angustifolium Barbara Ertter 1991-5-19 9878 Tehama 14.5 road miles west of Red bluff on Hwy 36, Beegum Road, near Basler Road junction 244 Comment
  UC618191 Image available Chlorogalum pomeridianum var. minus R. F. Hoover 1939-5-11 4104 Tehama foothills above Paskenta (on road to Covelo); ; Paskenta, Tehama Co. 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
  CHSC95168  Chorizanthe membranacea R. D. Fischer 2005-5-30 792 Tehama Sierra Nevada Mountains, off county road 27N08 ca. 6 miles east of Hwy 32, between Butte Meadows turn-off and Potato Patch Campground, downstream of the Deer Creek camp.UTM: 10617744E, 4447073N. 880 Comment
  CHSC80556  Chorizanthe polygonoides var. polygonoides Vernon H. Oswald; Lowell Ahart 2001-5-7 10012 Tehama Forest Road 26N15 4.9 mi west of Hwy 32, between Soda Springs and Cohasset Ridge. 1072 Comment
  JEPS97233  Cicendia quadrangularis Vernon H. Oswald and L. Ahart 1995-4-17 6673 Tehama 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
  JEPS110380  Cirsium andersonii Lowell Ahart 2006-9-9 13257 Tehama Under fir trees, near the dry meadow area just west of the dirt road, about 150 yards east of Colby Creek, about 2 miles (air) southeast of Colby Mountain, about 5 miles (air) northeast of Butte Meadows 1525 Comment
  UCD169426  Cirsium andersonii Lowell Ahart 2006-9-9 13257 Tehama About 5 miles (air) northeast of Butte Meadows.about 2 miles (air) southeast of Colby Mountain, about 150 yards east of Colby Creek, just west of the dirt road. 1525 Comment
  CAS-BOT-BC278070  Cirsium douglasii var. breweri John Thomas Howell 1960-8-20 36232 Tehama Near Lassen Volcanic National Park. Morgan 1463 Comment
  CHSC45660  Cirsium douglasii var. breweri Vernon Oswald 1983-7-26 919 Tehama Calif. hwy 32, 1.8 mi s-w of its jct. with Calif. Hwy 36. 1402 Comment
  UCD130607  Cirsium douglasii var. breweri John Thomas Howell 1960-8-20 36232 Tehama Morgan, Lassen Volcanic National Park. 1463 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
  CHSC94579  Cirsium vulgare Lowell Ahart 2006-11-9 13255 Tehama Open meadow area west of the dirt road, just east of Colby Creek, south of the large man made piles of soil and rock, about 1 3/4 miles (air) southeast of Colby Mountain, about 4 3/4 miles (air) northeast of Butte Meadows. 1503 Comment
  JEPS108937  Cirsium vulgare Lowell Ahart 2006-11-9 13255 Tehama Open meadow area west of the dirt road, just east of Colby Creek, south of the large man made piles of soil and rock, about 1 3/4 miles (air) southeast of Colby Mountain, about 4 3/4 miles (air) northeast of Butte Meadows 1503 Comment
  JEPS94334  Clarkia arcuata Vernon H. Oswald and Lowell Ahart 1997-5-14 8446 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
  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
  UCSB63931  Clarkia gracilis Oswald, Vernon; Ahart, Lowell 1996-5-6 Tehama BLM parcel along Hwy. 36; NE of Red Bluff; T28N R3W NWVi SWV4 Sect 13; north-facing slope of Paynes Creek Canyon at this location; Cascade Range Foothills 167 Comment
  CHSC115226  Clarkia gracilis subsp. gracilis B. Castro; R. Carter, B. Humphrey, A. Groom 2015-4-29 2043 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 mi E of the San Benito Ave. bridge over Elder Ck at the town of Gerber. At inside edge of pronounced bend in channel. 67 Comment
  HSC97030  Clarkia gracilis subsp. gracilis L. Ahart 2004-4-29 10807 Tehama Along the Nomalaki Trail, 0.75 mi. NW of Dead Rabbit Lake, 1.5 mi. NW of Bowers Creek, 2.25 mi. NW of FS Rd. 23N69, 8 mi. SW of Paskenta 535 Comment
  JEPS43533  Clarkia gracilis subsp. gracilis W. L. Jepson 1932-5-9 16320 Tehama hills n Paskenta Comment
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Jul 1 2009
  CHSC80668  Clarkia lassenensis Lowell Ahart 2001-6-16 8850 Tehama North of the dirt road, about 5 miles west of Highway 32, west of Soda Springs Campground, about 5 miles (air) west of Butte Meadows. 1082 Comment
  JEPS106499  Clarkia lassenensis L. P. Janeway, B. Castro 2004-5-30 8122 Tehama High Cascade Range. Slope above unnamed tributary from south into Deer Creek; 33 m above Road 27N08 (road from Hwy 32 across Deer Creek toward Onion Butte), 2.3 road km east of major hairpin turn where road starts dropping into the canyon. East-northeas 1000 Comment
  UC1010351  Clarkia modesta Milo S. Baker 1953-5-9 12583 Tehama w Paskenta (lgging road, near 6 mi post) Comment
  CHSC14020  Clarkia purpurea B. M. Heidinger 1974-4-23 154 Tehama Located n of Cana ca. 300 yds. n of bridge on Cana Pine Creek Road. 60 Comment
  SEINET12192476  Clarkia purpurea M. J. Boze 1978-1 19 Tehama Scattered along Cana Pine Creek Rd., 13.4 mi NNW of Chico. SW/4 Richardson Springs Quadrangle; 61 Comment
  CHSC64714  Clarkia purpurea subsp. quadrivulnera Vernon H. Oswald; Lowell Ahart 1995-5-9 6713 Tehama Cascade Range Foothills. Dales Lake Ecological Reserve. W side of Manton Rd. (A6) ca. 1.5 mi n of Dales Station on Hwy. 36, ca. 14 mi ne of Red Bluff. Collected se of Pool 20. 213 Comment
  JEPS97253  Clarkia purpurea subsp. quadrivulnera Vernon H. Oswald and L. Ahart 1995-5-9 6713 Tehama T29N R2W NE1/4 NW1/4 Sec. 26, 700 ft, Cascade Range Foothills, Valley and Foothills Grassland (Wildflower Field), stony Tuscan loam. Dales Lake Reserve on the W side of Manton Rd. (A6) ca. 1.5 mi n of Dales Station on Hwy. 36, ca. 14 mi ne of Red Bluff 213 Comment
  RSA726486  Clarkia purpurea subsp. quadrivulnera L. Ahart 2007-5-8 13740 Tehama About 3.7 miles west of the intersection Highway 36 and 99 or I-5, about 4 miles (air) northwest of Red Bluff. 111 Comment
  HSC74951  Clarkia rhomboidea J. P. Smith, Thomas W. Nelson 1979-6-24 10178 Tehama Shasta-Trinity National Forest. 0.8 mi. from Wells Creek Camp on the road to Tedoc Gap 1280 Comment
  RSA109788  Clarkia rhomboidea E. K. Balls, Lee W. Lenz 1956-6-19 21835 Tehama Lassen Lodge, 13.6 miles east of Payne s Creek, along State Highway 36 (Red Bluff to Lake Almanor) 1311 Comment
  CHSC70764  Clarkia stellata L. P. Janeway 1995-6-25 4819 Tehama North side of Hwy 32, 1.15 mi west of junction with Hwy 36/89; at western end of Deer Creek Meadows. Road cutbank. 1394 Comment
  CHSC32820  Claytonia exigua subsp. exigua Brian H. McMurtry 1979-4-7 Tehama ca. 2 mi. se Paskenta on Round Valley Rd. 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
  JEPS75785  Claytonia palustris Todd and Virginia Keeler-Wolf 1971-6-17 156 Tehama about 1.5 mi se North Yolla Bolly Guard Station (Saunder's Camp); Yolla Bolly Mountains 1859 Comment
  CHSC93461  Claytonia parviflora subsp. parviflora Lowell Ahart 2006-5-5 12573 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. 576 Comment
  HSC31866  Claytonia parviflora subsp. parviflora Thomas E. Higley 1974-5-5 99 Tehama 21 mi. E of Trinity Co. Line on Hwy. 36 305 Comment
  JEPS94370  Claytonia parviflora subsp. parviflora Vernon H. Oswald and Lowell Ahart 1997-5-14 8432 Tehama 0.6 mi sw of the Middle Fork Antelope Creek (6.7 mi s of Plum Creek Road, between Paynes Creek and Cohasset on Ponderosa Way (Forest Road 28N29)); Ponderosa Way 1011 Comment
  CHSC67282  Claytonia perfoliata James D. Jokerst 1984-3-17 1930 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
  CHSC75395  Claytonia perfoliata Ben Myhre 1997-3-31 26 Tehama Dye Creek Preserve, 8 miles north of Los Molinos. About 1/4 mile west of the mouth of Dye Creek Canyon. 106 Comment
  RSA21523  Claytonia rubra C. B. Wolf 1937-5-17 8709 Tehama Northern Sierra Nevada Foothills, Red Bluff - Susanville Road, 11 miles above Paynes Creek. 915 Comment
  CAS-BOT-BC443746  Claytonia rubra subsp. rubra A. A. Heller 1928-5-30 14574 Tehama At Mineral 1524 Comment
  CHSC51899  Claytonia rubra subsp. rubra K. R. Stern; L. P. Janeway 1986-5-21 8296 Tehama Deer Creek Meadows, 1 mi SE of jct hwys 32 and 36. 1402 Comment
  UC1023438  Claytonia rubra subsp. rubra Keith Wagnon 1953-5-10 12631 Tehama w of Paskenta (logging road near 10 mi post) Comment
  CHSC78261  Claytonia saxosa Vernon H. Oswald 2000-5-17 9921 Tehama FR 28N05 0.7 mi northeast of its junction with FR 45 at Tedoc Gap. 1478 Comment
  CHSC88598  Claytonia sibirica L. P. Janeway 2001-6-10 7151 Tehama High North Coast Ranges. Along the '35' road 2.4 km southeast of Stuart Gap; about 2.1 km north of North Yolla Bolly. Unmapped meadow/spring. 1600 Comment
  CHSC107102  Clematis lasiantha M. Mitchell 2010-4-6 Tehama Dye Creek Preserve. 135 Comment
  CHSC32796  Collinsia greenei James Jokerst 1980-6-18 889 Tehama North Coast Ranges. Near Mud Flat. Hillside. 852 Comment
  JEPS17597  Collinsia greenei Rimo Bacigalupi with Keith Wagnon, G. T. Robbins and Douglas Barbe 1955-7-16 5326 Tehama on s face of ridge running e (slightly se) from Mt. Linn summit (about 75 ft below ridge-top); South Yollo Bolly Mountain 2377 Comment
  JEPS76667  Collinsia greenei L. R. Heckard 1972-6-17 2957 Tehama Tedoc Mt.; bare serpentine slope on nw side, along new road around w of mountain 1280 Comment
  JEPS94273  Collinsia greenei Vernon Oswald and Lowell Ahart 1997-6-10 8568 Tehama between Paskenta and Covelo (on Forest Road 24N02 between Government Flat and Wells Cabin Campgrounds, 2.0 mi s M2); Forest Road 24N02 1828 Comment
  UCD123554  Collinsia greenei D. W. Taylor; G. L. Stebbins Jr. 1972-6-17 1499 Tehama on Mt. Tedoc. 1371 Comment
  JEPS15388  Collinsia greenei Douglas Barbe 1955-7-22 258 Tehama South Yolla Bolly (Mt. Linn); w slope, along trail to the summit, w Tehama Co. 2346 Comment
  CHSC55590  Collinsia parviflora K. R. Stern 1986-5-21 8305 Tehama Deer Creek Meadows, 1 mi SE of jct hwys 32 and 36. 1402 Comment
  JEPS35076  Collinsia rattanii R. F. Hoover 1963-7-4 8574 Tehama Log Spring Ridge near Bodkin cabin Comment
  UC703064  Collinsia rattanii Alice Eastwood, John Thomas Howell 1941-7-9 9767 Tehama Log Spring Ridge between Log Spring and Government Flat; Log Spring Ridge Comment
  CHSC70909  Collinsia sparsiflora var. collina Vernon H. Oswald; Lowell Ahart 1998-4-27 8963 Tehama Cannon Rd. 1.1 mi west of its junction with Hwy. 36 west of Red Bluff. 256 Comment
  CHSC77384  Collinsia sparsiflora var. collina L. P. Janeway; Jenny Marr, Mary Ann Griggs 1999-3-10 6386 Tehama Vicinity Round Valley Road, Newville Road (Garland Road), and Williams Butts. 289 Comment
  JEPS88570  Collinsia tinctoria Vernon H. Oswald and Lowell Ahart 1996-6-3 7705 Tehama BLM parcel along Hwy. 36 NE of Red Bluff; Cascade Range Foothills, Riparian Association in Blue Oak Woodland, Tuscan mudflow substrate. Along Paynes Creek ca. 0.4 mi downstream from old bridge site. 100 Comment
  RSA505369  Collinsia torreyi var. latifolia R. C. Bacigalupi, G. Thomas Robbins, Keith Wagnon, G. D. Barbe 1955-7-16 5319 Tehama On eastern shoulder of South Yollo Bolly Mtn. (Mt. Linn summit), +/- 1 mi. e. of summit and +/- 500 ft. in alt. below it. 2287 Comment
  JEPS34536  Collinsia torreyi var. wrightii Freed W. Hoffman 1947-6-23 1683 Tehama Government Flat North Coast Ranges (w Tehama Co.) 796 Comment
  RSA304457  Collomia grandiflora D. H. Wilken, C. Donahue 1974-7-3 12121 Tehama Round Valley Road near Cedar Springs, 13 miles W of Paskenta 1524 Comment
  JEPS17647  Collomia heterophylla Rimo Bacigalupi with G. T. Robbins 1955-7-18 5367 Tehama along State Hwy no. 32 2.8 mi ne Lomo Inn (jnct. of Humboldt Road to Butte Mdws.) (2 mi beyond the Tehama-Butte Co. line); Watershed of Cascade Creek 975 Comment
  CAS-BOT-BC230669  Collomia tracyi Catherine Best 1992-7-14 1391 Tehama At the edge of the Mendocino Pass Road, near the Mendocino County - Tehama County line Comment
  JEPS94344  Comandra umbellata subsp. californica Vernon H. Oswald and Lowell Ahart 1997-5-14 8433 Tehama 0.6 mi sw of the Middle Fork Antelope Creek (between Paynes Creek and Cohasset on Ponderosa Way (Forest Road 28N29) 6.7 mi s of Plum Creek Road); Ponderosa Way 1011 Comment
  CHSC105650  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
  CHSC101417  Corallorhiza mertensiana David Isle 1992-7-30 1560 Tehama Sugar Springs Campground. Just E of 1st campsite with large DF. (Just S of first campsite and E of Entrance Road.) 1652 Comment
  SBBG100043  Cordylanthus pilosus L. R. Heckard, T. I. Chuang 1971-8-15 2779 Tehama Lanes Valley Rd from Paynes Crk, about 0.9 mi N of jct with St Hwy 36 (near Paynes Crk) 609 Comment
  JEPS68984  Cordylanthus pringlei G. L. Stebbins 1972-8-18 Tehama summit of Little Red Mountain 1493 Comment
  RSA412338  Cordylanthus tenuis subsp. tenuis Milo S. Baker 1947-8-14 11998 Tehama Hwy 36 ca 1000 ft and 10-12 mi. E of Red Bluff. Comment
  JEPS124073  Cordylanthus tenuis subsp. viscidus Lowell Ahart, John Dittes 2015-8-5 20496 Tehama West side of Childs Meadow, 0.67 air-miles west of intersection of State Highway 36 and Wilson Lake Road (County Road 769), 1.21 air-miles southeast of Doe Mountain, 10.41 air-miles south of Lassen Peak. Comment
  RSA756488  Cordylanthus tenuis subsp. viscidus Barbara Ertter, James R. Shevock 1992-6-14 11228 Tehama Lassen Trail 15 miles southwest of Highway 32, about 9 air miles south of Mineral on Mill Creek Plateau, 14.5 miles northeast of Ponderosa Way junction 1524 Comment
  UCSB25958  Cornus nuttallii Wilken, Dieter; Haller, John; Langford, A. 1968-9-12 Tehama Along California Highway 36; 37.4 miles east of Red Bluff 1249 Comment
  CHSC90873  Cornus sericea subsp. sericea D. Isle 2004-7-20 166 Tehama Mendocino National Forest--North Coast Ranges. Thomes Creek Watershed. N. of Rd. 23N25. 1475 Comment
  CHSC24931  Cornus sessilis P. Goldman 1976-4-22 19 Tehama Scattered on w side of Antelope Creek, at junc of Antelope Creek and Ponderosa Way, ca. 20 mi s of Red Bluff. 1066 Comment
  SBBG5323  Cornus sessilis H. and M. Dearing 1938-6-23 2103 Tehama Potato Patch Camp, Deer Crk 1080 Comment
  SBBG5324  Cornus sessilis H. and M. Dearing 1938-6-23 2103 Tehama Potato Patch Camp, Deer Crk 1080 Comment
  CHSC12952  Corydalis caseana subsp. caseana K. R. Stern; D. B. Joley, J. G. Geschke 1974-6-22 5802 Tehama Roadside seepage bank, with small stream running through it, ca. 0.1 mi s of Bridge 8-70 over Deer Creek, Hwy. 32, ca. 7.6 mi s of intersection with Hwy. 36. Comment
  CAS-BOT-BC401844  Corydalis caseana subsp. caseana Gillett; Hans Leschke 1957-7-13 s.n. Tehama Lassen Volcanic National Park. Devils Kitchen valley 1905 Comment
  CAS-BOT-BC401888  Corydalis caseana subsp. caseana John Thomas Howell 1961-6-20 36585 Tehama Near Lassen Volcanic National Park. Bluff Falls 1981 Comment
  CHSC40724  Crassula aquatica Pauleen Broyles 1982-5-10 555 Tehama W of Sheep Camp Ditch, ca 400 meters nw of barn in s pasture. The Nature Consevancy Vina Plains Preserve. 60 Comment
  CHSC64525  Crassula connata Vernon H. Oswald; Lowell Ahart 1995-4-10 6615 Tehama Cascade Range Foothills. Dales Lake Ecological Reserve. W side of Manton Rd. (A6) ca. 1 mi n of Dales Station of Hwy. 36, ca. 14 mi ne of Red Bluff. 207 Comment
  JEPS49994  Crassula tillaea Virginia Bailey 1938-4-16 Tehama 6 mi. w. Paskenta (on Paskenta-Covelo rd.) Comment
  HSC82137  Crepis pleurocarpa Thomas W. Nelson, Jane P. Nelson 1979-6-25 4933 Tehama Along FS Rd. 45 at mile post 11, W slope of Mt. Tedoc 1372 Comment
  CHSC84857  Croton setiger L. P. Janeway 2003-9-18 7991 Tehama Sacramento Valley. North side of Red Bluff; between Main Street and Hwy I-5, just north of the east end of State Street. 89 Comment
  CHSC86560  Crucianella angustifolia Jenny Marr; Heidi West, Joyce Lacey-Rickert 1998-5-21 Tehama Vicinity of South Fork Cottonwood Creek and Cooks Flat. 365 Comment
  SEINET8916098  Crypsis schoenoides B. Ertter, E. Neese, L. Fujii, D. Espindola 1989-1 8893 Tehama S side of NW arm of Black Butte Lake, W of Orland. 152 Comment
  JEPS102433  Cryptantha affinis Lowell Ahart 2001-6-16 8853 Tehama On south side of the dirt road, about 4-1/2 mileswest of Highway 32, west of Soda Springs Campground, about 5 miles (air) west of Butte Meadows. 1112 Comment
  SEINET11268245  Cryptantha affinis Lowell Ahart 2001-6-16 8853 Tehama On south side of the dirt road, about 4 1/2 miles west of Highway 32, west of Soda Springs Campground, about 5 miles (air) west of Butte Meadows.; 0 1113 Comment
  CHSC57797  Cryptantha crinita Vernon H. Oswald; Joe Molter 1992-4-29 4928 Tehama Payne's Creek Recreation Area located ca. 1.5 mi NE of Bend Bridge over the Sacramento River, ca. 6.5 mi NNE of Red Bluff. Perry Riffle, upstream of the parking area. 91 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
  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
  RSA97068  Cryptantha crinita J. T. Howell 1954-4-25 29189 Tehama Gravel bar of Dibble Creek, 1.5 miles north of Red Bluff 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
  CHSC70868  Cryptantha flaccida Vernon Oswald; Lowell Ahart 1998-4-21 8921 Tehama Newville Rd. east of Newville, 2.2 mi north of the Glenn-Tehama county line, 1.9 mi south of Round Valley Rd. 213 Comment
  CHSC78621  Cryptantha flaccida Julie Cunningham; Natalie Wight, Joyce Lacey 1998-4-28 Tehama Vicinity of North Fork Stony Creek, Round Valley Road, and Newville Road (Garland Road). 274 Comment
  CHSC79261  Cryptantha flaccida B. Castro; L. P. Janeway 2000-4-5 1059 Tehama Vicinity of Orland. 106 Comment
  CHSC84258  Cryptantha flaccida Lowell Ahart; John Dittes 2003-6-11 10238 Tehama On the south side of Battle Creek, about 1 mile north of Manton Road, about 1 1/2 miles (air) northeast of the Colman Power House, about 5 miles (air) west-southwest of Darah Springs State Fish Hatchery, about 10 miles (air) east-northeast of Cottonwood. 153 Comment
  JEPS122060  Cryptantha flaccida Lowell Ahart, John Dittes 2014-5-17 19502 Tehama About 50 yards west of the diversion dam on Mill Creek, about 5 miles (air) northeast of Los Molinos. Comment
  CHSC80613  Cryptantha hispidula Vernon H. Oswald; Lowell Ahart 2001-6-5 10045 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
  JEPS98969  Cryptantha hispidula Vernon H. Oswald 2001-6-5 10045 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
  CHSC77552  Cryptantha intermedia Heidi West; Natalie Wight, Caroline Warren 1998-6-5 Tehama Vicinity of upper North Fork Stony Creek and Newville Road (Garland Road). 304 Comment
  CHSC77748  Cryptantha intermedia B. Castro; L. Janeway 1999-5-18 938 Tehama About 17 air miles SW of Red Bluff, vicinity of Sunflower Gulch and Red Bank Creek. 310 Comment
  RSA91650  Cryptantha intermedia M. S. Baker 1953-5-31 12705 Tehama Logging road west of Paskenta near 5 mile post. West Tehama County. 305 Comment
  SDSU20596  Cryptantha intermedia var. intermedia Ronald B. Kelley 2005-5-29 824 Tehama 6.3 miles west of Paskenta on east roadside. Rocky slope facing west. 584 Comment
  JEPS102863  Cryptantha torreyana Lowell Ahart 2001-6-16 8852 Tehama On south side of the dirt road, about 4-1/2 miles west of Highway 32, west of Soda Springs Campground, about 5 miles (air) west of Butte Meadows. 1112 Comment
  JEPS110134  Cryptantha torreyana Lowell Ahart 2006-7-19 13022 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
  RSA66604  Cuscuta californica P. A. Munz 1951-7-25 16894 Tehama Square Lake, north base of South Yolla Bolly Mountains 2134 Comment
  CHSC84544  Cuscuta californica var. californica John Dittes; Lowell Ahart 2003-6-12 2003 -68 Tehama Cascade Range Foothills; ca. 7.3 air-mile east of Sacramento River, ca. 7.7 air-miles north by northeast of Dales, ca. 3.2 air-mile West of Darrah Springs State Fish Hatchery. Along Coleman Canal Road. 176 Comment
  CHSC40797  Cuscuta howelliana Pauleen Broyles 1982-6-14 727 Tehama Nature Conservancy Vina Plains Preserve. 60 Comment
  JEPS88254  Cuscuta howelliana Vernon H. Oswald and Lowell Ahart 1996-5-27 7645 Tehama dry bed of a pool along the pipeline ca. 0.1 mi N of S boundary of CDFG parcel on the S side of Gyle Road, NW of Corning; NW side of Sacramento Valley; Thomes Creek Ecological Reserve 102 Comment
  SEINET12332658  Cuscuta howelliana Unknown 1982-1 728 Tehama 61 Comment
  RSA264621  Cuscuta occidentalis H. E. Parks, Joseph P. Tracy 1941-8-28 11517 Tehama Cold Springs area, South Fork Mountain. 1646 Comment
  HSC9514  Cynodon dactylon L. T. Gault 1964-3-27 35 Tehama Los Molinos South Center Street 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
  HSC3646  Cynoglossum grande John L. Heywood, D. H. Norris 1968-3-31 1834 Tehama Hwy. 36, 67.74 mi. E of Shasta Co. line. Comment
  CHSC64579  Cynosurus echinatus Vernon H. Oswald; Lowell Ahart 1995-4-10 6637 Tehama Cascade Range Foothills. Dales Lake Ecological Reserve. W side of Manton Rd. (A6) ca. 2 mi n of Dales Station on Hwy. 36, ca. 14 mi ne of Red Bluff. Along ridge crossing the ne corner of the reserve. 225 Comment
  CHSC87824  Cynosurus echinatus Lowell Ahart 2004-6-11 11039 Tehama On the west margin of Dead Rabbit Lake, about 100 yards west of the Nomalaki Trail, about 1 1/2 miles northwest of Bowers Creek, about 2 1/4 miles northwest of Forest Road 23N69 (Mud Flat Road), about 8 miles (air) southwest of Paskenta. 545 Comment
  JEPS88111  Cynosurus echinatus Vernon H. Oswald and Lowell Ahart 1996-5-6 7512 .1 Tehama BLM parcel along Hwy 36 ne Red Bluff (Cascade Range Foothills); , Hog Lake Plateau 198 Comment
  CHSC84590  Cyperus difformis Lowell Ahart; John Dittes 2003-9-17 10595 Tehama On a gravel bar on the south side of Deer Creek, about 400 yards east of Highway 99, about 5 miles (air) southeast of Los Molinos. 60 Comment
  UC726153  Cyperus difformis A. A. Heller 1928-10-12 14804 Tehama 1/2 mi. n. of county line Tehama Comment
  UC704292  Cyperus eragrostis Frank A. Pitelka 1943-6-15 202 Tehama 2 mi. s.e. Beegum 502 Comment
  RSA0119055  Cyperus erythrorhizos Lowell Ahart 2013-9-17 19046 Tehama Silt on high area below the high water line of Black Butte Reservoir, about 1/2 miles southwest of the Dam, about 12 miles (air) northwest of Orland. 136 Comment
  CHSC66887  Cyperus flavescens Vernon H. Oswald; Lowell Ahart 1996-9-4 8270 Tehama Cascade Range Foothills. BLM parcel along Hwy. 36 NE of Red Bluff. Along Paynes Creek ca. 1 mi upstream from the old bridge site. 131 Comment
  CHSC59188  Cyperus niger Vernon H. Oswald 1992-9-9 5205 Tehama Lassen Volcanic National Park. Ca. 0.4 mi upstream along the drainage crossing Mill Creek Falls Trail at it mid (most southerly) point, on the S side of Diamond Peak and Lassen Hwy. 2042 Comment
  CHSC88274  Cyperus niger Lowell Ahart; Samantha Mackey Hillaire 2004-7-9 11184 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
  JEPS106245  Cyperus niger Lowell Ahart, Samantha Mackey Hillaire 2004-7-9 11184 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
  UCSB63985  Cyperus niger Jokerst, James 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
  CHSC81324  Cyperus squarrosus L. P. Janeway; B. Castro 2001-6-5 7106 Tehama Vicinity of Thomes Creek, Bowers Creek, and Bennett Creek. 329 Comment
  UCD104392  Cyperus squarrosus Ellen Dean; M. Starbuck, DHS Madrigals 2010-8-29 6857 Tehama Western edge of Lake Almanor off Hwy 89. 1371 Comment
  CHSC66584  Cyperus strigosus Vernon H. Oswald; Lowell Ahart 1996-7-8 7952 Tehama Hog Lake Plateau. BLM parcel along Hwy. 36 NE of Red Bluff. Cascade Range Foothills. On the rocky flood plain of Paynes Creek E of the mouth of the intermittent stream crossing the NE corner of the parcel. 158 Comment
  JEPS104087  Cyperus strigosus Lowell Ahart 2003-9-17 10596 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
  JEPS127186  Cyperus strigosus Lowell Ahart, John Dittes 2016-8-25 21280 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
  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
  RSA112907  Cypripedium fasciculatum D. V. Hemphill 1957-8-22 s.n. Tehama Harvey Creek, about 5 miles north of South Yolla Bolly Peak 1067 Comment
  CHSC83075  Cypselea humifusa Lowell Ahart 2002-11-5 10015 Tehama East of where Burris Creek runs into Black Butte Lake, about 15 feet below the high water line of the lake, about 12 miles (air) northwest of Orland. 152 Comment
  HSC95686  Cystopteris fragilis Vernon H. Oswald, L. Ahart 1997-7-7 8711 Tehama USFS Rd. 35 at branch of the S Fork of Beegum Creek, 0.4 mi. W of Rat Trap Gap, N side of the Yolla Bolly-Middle Eel Wilderness 1707 Comment
  UCD136370  Cystopteris fragilis Dean W. Taylor 1976-7-9 6040 Tehama At headwaters of Cub Cr. 1859 Comment
  JEPS13265  Danthonia californica var. americana Rimo Bacigalupi with G. T. Robbins, K. Wagnon, and D. Barbe 1955-7-16 5308 Tehama about 1 mi s Oven Lid (butte) (near Somerset); Mendocino National Forest 1767 Comment
  UCD60961  Danthonia californica var. americana Rimo Bacigalupi; G. T. Robins, K. Wagnon, and D. Barbe 1955-7-16 5308 Tehama Near Somerset, about 1 mile south of Ovenlid (Butte), Mendocino National Forest. 1767 Comment
  CHSC87809  Datisca glomerata Lowell Ahart 2004-6-11 11044 Tehama On the south edge of Thomes Creek, west of the end of the Nomalaki Trail, about 1/2 mile north of Dead Rabbit Lake, about 2 miles northwest of Bowers Creek, about 2 3/4 miles northwest of Forest Road 23N69 (Mud Flat Road), about 8 miles (air) southwest of Paskenta. 338 Comment
  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
  CHSC118033  Daucus pusillus Daphne K. Christopher; Lowell Ahart, John Dittes, Hannah Stevens 2003-4-17 197 Tehama Dye Creek Nature Conservancy Preserve. Antelope Creek trail. 767 Comment
  UC1002625  Delphinium antoninum Milo S. Baker 1953-6-21 12778 Tehama logging road w Paskenta; Henderson's Canyon 1524 Comment
  HSC75385  Delphinium decorum subsp. tracyi J. O. Sawyer, K. A. Sawyer 1980-6-18 3452 Tehama Humboldt Trail 0.5 mi. E of N Yolla Bolly Guard Station. 1860 Comment
  CHSC116681  Delphinium nudicaule Lowell Ahart; John Dittes 2016-4-29 20811 Tehama On the east side of the trail, about 150 yards south of the fish ladder on Deer Creek, about 0.8 mile (air) northeast of USFS Road 27N08 Bridge over Deer Creek, about 2 miles by trail to Highway 32. 935 Comment
  CHSC64553  Delphinium nudicaule Vernon H. Oswald; Lowell Ahart 1995-4-3 6594 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
  CHSC88836  Delphinium nudicaule 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
  CHSC118203  Delphinium nudicaule Tim Kask 2016-4-7 260 Tehama Antelope Creek, from Fischer CG. Near creek bank. 10T 0597252/4455584 Comment
  HSC1847  Delphinium nudicaule Larry Berti 1969-3-19 32 Tehama N face of Antelope Creek Canyon, 12 mi. E of Red Bluff, from the dam to 3 mi. upstream from the dam. 213 Comment
  CAS-BOT-BC116023  Delphinium nuttallianum C. Canby 1929-6-18 s.n. Tehama Mineral Comment
  JEPS43416  Delphinium patens Jos. Grinnell 1925-6-18 Tehama Mineral 1463 Comment
  CHSC90902  Delphinium variegatum Niall F. McCarten; Roxanne L. Bittman 1986-6-15 5434 Tehama Mendocino National Forest; North Coast Ranges; Thomes Creek Watershed. 'Ovenlid.' South side Forest Road 25N29. 2011 Comment
  RSA298003  Delphinium variegatum V. Bailey 1938-4-16 s.n. Tehama 4 miles W of Paskenta on Paskenta Covelo Road Comment
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  UCD96666  Delphinium variegatum A. A. Heller 1916-4-20 12329 Tehama 3 miles N of Red Bluff. Comment
  CAS-BOT-BC16946  Delphinium variegatum subsp. variegatum A. A. Heller 1916-4-20 12329 Tehama 3 miles north of Red Bluff Comment
  CDA15412  Delphinium variegatum subsp. variegatum G. F. Hrusa, J. Hart 1998-5-1 14426 Tehama Sacramento Valley; Dry ridge above S. side of Coyote Creek, Coyote Creek Conservation Area, approx. 1 mi. W of Paskenta Rd. near the lower limit of Quercus douglasii woodland. Perennial, with dark purple flowers. Uncommon and widely scattered here. 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
  CHSC27770  Deschampsia danthonioides K. Bridwell 1978-4-14 69 Tehama Ca. 10 mi ne of Red Bluff. 140 Comment
  CHSC77971  Deschampsia danthonioides B. Castro; L. P. Janeway 1999-5-5 Tehama About 26 air miles NW of Orland, vicinity of Rocky Ridge and Thomes Creek. 266 Comment
  CHSC87638  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
  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
  UC641643  Deschampsia elongata G. L. Stebbins Jr. 1939-7-10 2941 Tehama 2 mi. w. Childs Meadow 1889 Comment
  SD211570  Descurainia incisa subsp. incisa Barbara Ertter, Brad Olson 1991-7-6 10426 Tehama Rocky Cabin meadow circa 1 mile South of Ball Rock, 1 mile Southeast of Cold Spring Forest Station, circa 30 airmiles West of Corning 1890 Comment
  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
  CAS-BOT-BC42975  Descurainia incisa subsp. incisa P. A. Munz 1951-7-26 16949 Tehama North base of South Yolla Bolly Peak. Square Lake. 2133 Comment
  UC1586552  Descurainia sophia Vernon H. Oswald and Lowell Ahart 1991-4-16 4492 Tehama ca 0.5 mi ne McCarty Creek Rd. (e of Paskenta, n side of Thomes Creek, paralleling Paskenta Rd (A9)); Thomes Creek 207 Comment
  CHSC60368  Dicentra formosa Mary Ann Showers 1992-6-26 2579 Tehama Lassen Volcanic National Park. Canyon bottom along West Sulphur Creek east of Sulphur Works entrance station. 1828 Comment
  JEPS16227  Dicentra formosa Joseph Grinnell with Mary E. Grinnell 1927-5-14 Tehama Mineral 1463 Comment
  UCD81614  Dicentra formosa Collector Unknown 1940-4-4 s.n. Tehama Tehama County. Comment
  CAS-BOT-BC402488  Dicentra formosa subsp. formosa Clare R. Wheeler; Gladys L. Smith 1980-6-17 1757 Tehama Mendocino National Forest. NE of Anthony Peak, ca. 1 mi. N. of Wells Cabin Campground. Just over line into Tehama Co. 1889 Comment
  RSA66682  Dicentra formosa subsp. formosa P. A. Munz 1951-7-26 16945 Tehama Square Lake, N base of South Yolla Bolly Peak. 2134 Comment
  HSC2096  Dichelostemma capitatum subsp. capitatum Larry Berti 1969-3-15 23 Tehama N face of Antelope Creek Canyon, 12 mi. E of Red Bluff, 3 mi. upstream from dam 213 Comment
  JEPS94239  Dichelostemma congestum Vernon Oswald and Lowell Ahart 1998-5-14 9049 Tehama Highway 36 between Red Bluff and Platina 2.3 mi e of Vestal Road; Highway 36 274 Comment
  JEPS18187  Dichelostemma multiflorum Rimo Bacigalupi with F. Chisaki and G. T. Robbins 1956-4-18 5597 Tehama 7.1 mi w Red Bluff (along Lowrey-Red Bluff road) 118 Comment
  SEINET12046119  Dichelostemma multiflorum E. J. Miller 1978-1 6 Tehama 1 km W of Sacramento River at Woodson Bridge 9 Comment
  UC765920  Dichelostemma volubile R. F. Hoover 1939-5-11 4103 Tehama above Paskenta (on road to Covelo) Comment
  CHSC105925  Dieteria canescens var. shastensis B. Castro; L. P. Janeway 1999-8-23 1034 I Tehama High North Coast Ranges. Yolla-Bolly Wilderness, on ridge along E side of Summit Trail, ca 0.4 mi N of jcn Tehama, Trinity, and Mendocino Co. lines. 1997 Comment
  CHSC117661  Digitaria sanguinalis Lowell Ahart; John Dittes 2016-8-25 21287 Tehama Depression in a road, about 100 yards west of the Sacramento River, Anderson River Park, 0.7 miles (air) upstream from Stillwater Creek Confluence 1.8 miles (air) northeast of Balls Ferry Road exit from Interstate 5 in Anderson. Undesignated section of San Buenaventura Land Grant. 117 Comment
  HSC101765  Digitaria sanguinalis J. P. Smith 2011-9-23 13429 Tehama Roadside in agricultural fields along U.S. 99, north of its junction with 4th Avenue 79 Comment
  CHSC23394  Diplacus aurantiacus B. Garamendi 1974-5-12 38 Tehama Mill/Deer Creek Study Area. 1/4 mi NE of Beaver Creek Crossing on Ponderosa Way. 731 Comment
  CHSC64374  Diplacus douglasii Vernon H. Oswald; Lowell Ahart 1995-3-19 6533 Tehama Cascade Range Foothills. W side of Monton Rd. (A6) ca. 1 mi n of Dales Station on Hwy. 36, ca. 14 mi ne of Red Bluff. Dales Lake Ecological Reserve. 207 Comment
  CAS-BOT-BC153498  Diplacus layneae Milo S. Baker; H. K. Wagnon 1953-5-10 12621 Tehama Logging rd West of Paskenta, near 10 mi. post Comment
  CHSC101398  Diplacus layneae David Isle 1992-5-24 1570 Tehama 9.5 miles above Paskenta Store; north of M-2 (23NO1.3); abt 0.35 miles above Mendocino National Forest boundary. 877 Comment
  CHSC49003  Diplacus layneae V. Oswald; L. Ahart 1988-5-21 3329 Tehama M2 (23N01) 9.8 mi (odometer) w of Paskenta. 896 Comment
  SEINET8370226  Diplacus layneae Christine C. Lorain 1994-7-3 255 Tehama Hat Creek Campground entrance, ca. 2 mi NE of Old Station P.O. along Hwy 89; Lassen National Forest. Comment
  CAS-BOT-BC151455  Diplacus nanus Alice Eastwood; John Thomas Howell 1941-7-9 9791 Tehama Government Flat Comment
  CHSC80878  Diplacus torreyi Lowell Ahart 2001-6-8 8792 Tehama On the west side of road M2, about 9 miles west of Paskenta. 792 Comment
  CAS-BOT-BC154014  Diplacus torreyi A. A. Heller 1938-6-22 15176 Tehama Along Highway #36 near Deer Creek Lodge 1463 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
  UC429276  Disporum hookeri Mrs. C. M. Wilder 1912-6-24 Tehama Upper Deer Creek Trail Comment
  UCD64357  Distichlis spicata var. nana A. A. Beetle 1942-5-19 3285 Tehama 25 miles W of Red Bluff on Rt. 36. Diamond Range Experimental Plot. Comment
  SEINET198079 Image available Dodecatheon alpinum Louise Kellogg 1952-7-14 42 Tehama Mendocino National Forest; Square Lake Trail from Ovenlid toward South Yolla Bolly Mountain. 1829 Comment
  SEINET10449636  Dodecatheon alpinum subsp. majus Mary Susan Taylor 1975-7-17 Taylor 847 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
  CHSC13895  Dodecatheon clevelandii subsp. patulum J. F. Goodwin 1972-3-15 185 Tehama 2.3 mi ne on Kaufman Ave. from Hwy 99 (7.2 mi N of Los Molinos); 500 ft east of road in grassy cow pasture. Comment
  CHSC28848  Dodecatheon clevelandii subsp. patulum D. L. Daniels 1979-4-7 16 Tehama Ca. 1 mi s of Ridge Rd. and 3/4 mi n of Red Bank Creek, 11 1/2 mi sw of Red Bluff. 104 Comment
  CHSC67287  Dodecatheon clevelandii subsp. patulum James D. Jokerst 1981-2-23 1248 Tehama Wurlitzer Ranch on Pine Creek, 1.0 mi E of Meridian Rd. Growing along Zimmershed Creek located N of Pine Creek. Comment
  UCD118825  Dodecatheon clevelandii subsp. patulum Roman Gankin; W. R. Hildreth 1966-3-16 711 Tehama On Toomes Camp Road, 3.3 miles west of Paskenta. Comment
  CHSC75297  Dodecatheon hendersonii Vernon H. Oswald; Lowell Ahart 1999-4-21 9695 Tehama Near the trailhead of High Trestle-McClure Place Trail starting on Hogback Road ca. 0.5 mi northeast of Finley Lake. 838 Comment
  UC725483  Dodecatheon hendersonii A. A. Heller 1918-4-28 13002 Tehama Bennett Springs Comment
  UC1245128  Dodecatheon jeffreyi J. M. Tucker 1959-7-19 3574 Tehama upper (s) side of Square Lake n side South Yolla Bolly Mountain, Square Lake (above the lake, n side of South Yolla Bolly Mountain) 2118 Comment
  UCD55039  Downingia bacigalupii Dean W. Taylor; G. L. Stebbins and L. Heckard 1972-6-18 1526 Tehama On Tedoc Mt. near Tedoc Gap. 1371 Comment
  CHSC33358  Downingia bella Larry Phillips 1980-4-24 12 Tehama 15 mi n of Chico. 30 ft w of jct. of Hwy 99 and Haille Rd. N edge of road. 54 Comment
  HSC59041  Downingia bicornuta Thomas Wood 1979-4-28 134 Tehama Along Leninger Rd., E of Vina. 73 Comment
  CHSC54005  Downingia bicornuta var. bicornuta Vernon H. Oswald; Lowell Ahart 1991-5-9 4558 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 margin of an impoundment located ca. 0.5 mi south-southeast of the entrance kiosk. 112 Comment
  CHSC79978  Downingia bicornuta var. bicornuta B. Castro; L. P. Janeway 2000-5-11 1170 Tehama Vicinity of Orland and Black Butte Lake. 88 Comment
  JEPS108491  Downingia bicornuta var. bicornuta Lisa Schultheis 1996-5-23 306 -96 Tehama Hog Lake. Rt. 36 about 9 mi NE of Red Bluff. 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
  UC765401  Downingia bicornuta var. bicornuta R. F. Hoover 1937-5-19 2292 Tehama s of Red Bluff (Coyote Creek bridge); Coyote Creek Comment
  CHSC70876  Downingia cuspidata Vernon Oswald; Lowell Ahart 1998-4-27 8977 Tehama Vestal Rd. 4.9 mi w of its junction with Cannon, Pettyjohn, and Reeds Creek roads, west of Red Bluff and south of Hwy. 36. 292 Comment
  JEPS108515  Downingia cuspidata Lisa Schultheis 1995-4-13 5 -95 Tehama Along Ink Creek Road, near Dale's Lake (on Route A6, northwest of Red Bluff) Comment
  CDA42331  Downingia cuspidata Vernon H. Oswald & Lowell Ahart 1998-4-27 8977 Tehama Vestal Road 4.9 miles west of its junction with Cannon, Pettyjohn, and Reeds Creek Roads, west of Red Bluff and south of Hwy 36. Comment
  JEPS14477  Downingia cuspidata S. A. Long 1938-5-16 Tehama between Red Bluff and Henleyville Comment
  HSC74950  Downingia elegans J. P. Smith, Thomas W. Nelson 1979-6-24 10179 Tehama Rd. to Stuart Gap, 0.8 mi. from Tedoc Gap. 1372 Comment
  CHSC66011  Downingia ornatissima var. ornatissima Vernon H. Oswald; Lowell Ahart 1996-4-29 7466 Tehama Thomas Creek Ecological Reserve. CDFG parcel on the S side of Gyle Rd. NW of Corning. Northwest side of Sacramento Valley. Near the W boundary. 103 Comment
  JEPS108534  Downingia ornatissima var. ornatissima Lisa Schultheis 1995-5-1 79 -95 Tehama South of Red Bluff. Off of Gyle Rd., west of Rawson Rd. Comment
  UCD115569  Draba verna R. N. Raynor; W. S. Ball 1940-4-22 s.n. Tehama Mill Creek Road between Red Bluff and Mineral. Comment
  CAS-BOT-BC159633  Drymocallis glandulosa var. glandulosa H. F. Copeland 1920-7-17 107 Tehama Butt Mt. 1828 Comment
  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
  CAS-BOT-BC527351  Drymocallis glandulosa var. reflexa Alice Eastwood; John Thomas Howell 1941-7-9 9708 Tehama Log Spring Ridge between Log Spring and Government Flat Comment
  CAS-BOT-BC157800  Drymocallis lactea var. lactea David D. Keck 1930-7-24 962 Tehama Mineral 1525 Comment
  CAS-BOT-BC157801  Drymocallis lactea var. lactea Ethel Crum 1937-8-7 1953 Tehama 1.6 miles northwest of Mineral Summit 1463 Comment
  HSC1782  Dudleya cymosa Larry Berti 1969-5-9 87 Tehama Antelope Creek Canyon, N face, 12 mi. E of Red Bluff, 3 mi. upstream from dam. 213 Comment
  CHSC78974  Dysphania ambrosioides Vernon H. Oswald 2000-10-14 9980 Tehama Black Butte Rd. 0.5 mi south of County Rd A9 (Corning-Paskenta Rd). 109 Comment
  CHSC54864  Dysphania botrys Vernon H. Oswald 1991-9-1 4857 Tehama Lassen Volcanic Park. Lasen Hwy (Hwy 89) just inside the south park boundary. 1999 Comment
  CHSC66191  Dysphania botrys Vernon H. Oswald; Lowell Ahart 1996-6-3 7692 .2 Tehama Hog Lake Plateau. BLM parcel along Hwy. 36 NE of Red Bluff. Cascade Range Foothills. Growing on a gravel bar along Paynes Creek at the old bridge site. 103 Comment
  CHSC95147  Dysphania pumilio R. D. Fischer 2005-9-10 848 Tehama Sierra Nevada range, off Hwy 32 between Butte Meadow turn-off and Potato Patch Campground. Follow County Road 27N08 west to one lane bridge over Deer Creek, continue to top of ridge. 8.4 miles from Hwy 32. 10.1 miles from Hwy 32. 1371 Comment
  HSC93246  Echinochloa crus-galli Vernon H. Oswald, L. Ahart 1996-9-4 8250 Tehama Cascade Range Foothills, along Hwy. 36 NE of Red Bluff. 183 Comment
  CHSC116229  Elatine Lowell Ahart 2015-6-22 20263 Tehama About 1/4 dmile 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
  CHSC66029  Elatine californica Vernon H. Oswald 1996-5-13 7554 Tehama Thomes Creek Ecological Reserve. CDFG parcel on the S side of Gyle Rd. NW of Corning. 105 Comment
  CHSC40809  Elatine heterandra Pauleen Broyles 1982-5-21 647 Tehama 60 Comment
  CHSC76534  Eleocharis engelmannii Heidi West; Caroline Warren, Julie Cunningham 1998-7-14 Tehama Vicinity of North Fork Stony Creek, Salt Creek, and Newville. 201 Comment
  CHSC64729  Eleocharis macrostachya Vernon H. Oswald 1995-5-28 6792 Tehama Dales Lake Ecological Reserve. Cascade Range Foothills. W side of Manton Rd. (A6) ca. 1.5 mi n of Hwy. 36 at Dales Station, ca. 14 mi ne of Red Bluff. 219 Comment
  CHSC78744  Eleocharis parishii L. P. Janeway; B. Castro 2000-6-11 6787 Tehama Inner North Coast Ranges. Pepperwood Spring; near the top of Raglin Ridge. East-facing seep near head of drainage. 902 Comment
  RSA518660  Eleocharis radicans L. R. Heckard, Peter Rubtzoff 1971-7-31 2677 Tehama Tehama County: Damp mud of land locked lagoon off the Sacramento River just NE of Red Bluff. Comment
  RSA0118752  Elymus caput-medusae Lowell A. Ahart, John Dittes 2014-5-16 19491 Tehama Small drainage on the north side of the poor dirt road, about 200 yards southwest of the lone oak tree, about 0.5 mile east of the end of Lyon Cattle Road, about 3 miles (air) northeast of Los Molinos. 99 Comment
  CAS-BOT-BC203407  Elymus glaucus subsp. glaucus W. B. Cooke; V. G. Cooke 1962-8-14 33477 Tehama Openings along Broke-Off Mountain Trail, Lassen Volcanic National Park Comment
  CDA31709  Elymus glaucus subsp. glaucus L. Ahart 2001-6-8 8800 Tehama On the west side of road M2, about 9 miles west of Paskenta. Comment
  UC1949041  Elymus lanceolatus Barbara Ertter with Brad Olson 1991-7-4 10219 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
  JEPS88251  Elymus multisetus Vernon H. Oswald and Lowell Ahart 1996-5-20 7594 Tehama BLM parcel along Hwy. 36 n.e. Red Bluff (upper bank of intermittent stream near Paynes Creek, Hog Lake Plateau); Cascade Range Foothills, Hog Lake Plateau 158 Comment
  UCD62440  Elymus multisetus Beecher Crampton 1966-6-28 7769 Tehama 6 miles WSW of Paskenta (in direct line) ridge between Hatch Field and Lake Hollow. Sheldon Jeffers Ranch. 609 Comment
  CHSC61692  Elymus sierrae Vernon H. Oswald; Lowell Ahart 1993-9-2 5912 Tehama Ridge running E from Mt. Linn, South Yolla Bolly Mtns., ca. 20 mi (air) NW of Paskenta. Near the summit. 2438 Comment
  JEPS87471  Elymus sierrae Vernon H. Oswald and Lowell Ahart 1993-9-2 5912 Tehama ca 20 air mi nw Paskenta, (ridge running e from Mt. Linn, n slope of ridge near summit); South Yolla Bolly Mtns. 2438 Comment
  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
  CHSC49489  Elytrigia intermedia subsp. barbulata Vernon Oswald 1983-7-12 846 Tehama Beside Round Valley Rd. (M4; 23N02), 11.9 mi w of its jct. with Garland Rd. 1127 Comment
  CHSC83588  Elytrigia pontica subsp. pontica L. P. Janeway; Shirley Innecken 2002-4-11 7465 Tehama Inner North Coast Ranges. Flats along south side of North Fork Stony Creek between the west end of Black Butte Lake and Newville Road. 147 Comment
  CHSC101190  Enemion occidentale L. P. Janeway 2009-3-28 9685 Tehama Cascade Range Foothills. Tehama Wildlife Area; along the Powerline Road 0.2 km southwest of its ford across Little Grapevine Creek. North-facing slope 35 m above the creek. 468 Comment
  CDA38057  Epilobium brachycarpum L. Ahart 2006-7-25 13075 Tehama On the west edge of the dirt road. about 20 yards east of where the dirt road crosses Colby Creek, about 2 miles (air) southeast of Colby Mountain, about 5 miles (air) northeast of Butte Meadows. Comment
  UCD21181  Epilobium campestre Vernal Pool Team 2002; Carol Witham and Jennifer Buck 2002-6-11 356 Tehama Hog Lake (BLM); Approximately 7 miles NE of Red Bluff on the N side of Highway 36. 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
  CHSC56560  Epilobium ciliatum subsp. ciliatum Steven Triano 1988-9-18 259 Tehama Ca 25 ft w of Hwy. 32 and 32.4 mi n of its jct. with Hwy. 99. 1109 Comment
  CHSC77770  Epilobium ciliatum subsp. ciliatum Heidi West; Natalie Wight 1998-8-21 Tehama Vicinity of Red Bank Creek, Sunflower Gulch, and Dry Creek. 268 Comment
  CHSC94374  Epilobium ciliatum subsp. ciliatum Lowell Ahart 2006-7-19 13046 Tehama In a large meadow and bog, about 40 yards west of the abandoned logging road, about 250 yards north of where the dirt road crosses Colby Creek, about 2 miles (air) southeast of Colby Mountain, about 5 1/8 miles (air) northeast of Butte Meadows. 1540 Comment
  JEPS105965  Epilobium ciliatum subsp. ciliatum Lowell Ahart 2004-6-28 11128 Tehama Gravel bar on the south side of Thomes Creek, about 1/4 mile east of Paskenta 213 Comment
  HSC49631  Epilobium ciliatum subsp. ciliatum Thomas W. Nelson, Jane P. Nelson 1978-7-21 4444 Tehama Along Tedoc Rd., 100 mi. S of Tedoc Gap Comment
  JEPS94506  Epilobium ciliatum subsp. glandulosum Vernon Oswald and Lowell Ahart 1997-7-7 8669 Tehama 0.5 mi n of Tomhead Saddle (near the ne corner of Yolla Bolly Middle Eel Wilderness on Forest Road 27N06); Yolla Bolly Middle Eel Wilderness, Forest Road 27N06 1676 Comment
  CHSC105930  Epilobium densiflorum Lowell Ahart 2010-7-17 16882 Tehama On the south side of Ponderosa Way, about 10 yards southwest of Soap Creek crossing, , about 4.5 miles (air) southeast of Manton, about 2 -1/2 miles (air) north of Highway 36. 726 Comment
  RSA756201  Epilobium densiflorum Barbara Ertter, Brad Olson 1991-7-5 10312 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
  RSA795522  Epilobium densiflorum L. P. Janeway 2010-9-12 10214 Tehama High North Coast Ranges. SSE sloping glade on Oak Ridge, below Road M4 3.5 air km west of Log Spring Station. 1524 Comment
  UCD80481  Epilobium densiflorum CNPS SN Foothill Team 2005-6-13 SNFN 0378 b Tehama CDFG, Tehama Wildlife Area, about 100 meters northwest of Plum Creek Road, about a quarter of a mile past the junction of Plum Creek Road and High Trestle Road. 829 Comment
  RSA66618  Epilobium glaberrimum subsp. fastigiatum P. A. Munz 1951-7-26 16911 Tehama South base of South Yolla Bolly Mountains. 2073 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
  JEPS28771  Epilobium obcordatum George W. Gillett 1957-8-13 1068 Tehama s exposure of upper Brokeoff formation Lassen Volcanic National Park, Brokeoff Mountain 2743 Comment
  JEPS39220  Epilobium obcordatum Jos. Grinnell 1925-7-27 Tehama Brokeoff Mt. 2865 Comment
  JEPS119868  Epilobium pallidum Lowell Ahart 2012-6-2 18145 Tehama On the east side of Long Road, about 6.7 miles northeast of Dales and State Highway 36, northeast of Red Bluff. Comment
  CHSC41016  Epilobium torreyi Pauleen Broyles 1982-5-6 553 Tehama The Nature Conservancy Vina Plains Preserve. .75 km s of Lassen Road in central pasture. 70 Comment
  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
  CDA38096  Epilobium torreyi G. D. Barbe, J. T. Howell, T. C. Fuller 1980-5-19 2672 Tehama 23.7 km west of Old Highway 99 on Highway 36, 480 meters east of bridge over South Fork Cottonwood Creek. Comment
  CHSC27310  Epipactis gigantea T. B. Devine 1977-5-22 389 Tehama Growing at edge of Pine Creek. 6 mi e of Hwy 99. 121 Comment
  CHSC56962  Equisetum arvense Steven Triano; Stefani Eiben 1988-5-7 155 Tehama Behind Mineral General Store. 1536 Comment
  CAS-BOT-BC204515  Eragrostis cilianensis J. H. Thomas 1965-8-13 11433 Tehama In the center of Corning Comment
  CHSC41049  Eragrostis cilianensis Pauleen Broyles 1982-7-27 810 Tehama The Nature Conservancy Vina Plains Preserve. Ca 50 m south of Lassen Road along irrigation ditch. 66 Comment
  CHSC117649  Eragrostis curvula Lowell Ahart; John Dittes 2016-8-25 21285 Tehama About 40 yards west of the Sacramento River, Anderson River Park, 0.7 mile (air) upstream from Stillwater Creek Conflunce, 1.8 miles (air) northeast of Balls Ferry Road exit from Interstate 5 in Anderson. 117 Comment
  CHSC112583  Eragrostis hypnoides Lowell Ahart 2013-9-17 19042 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
  CDA31776  Eragrostis pectinacea var. pectinacea L. Ahart, John Dittes 2003-9-17 10606 Tehama On the south side of Deer Creek, about 400 yards east of Highway 99, about 5 miles (air) southeast of Los Molinos. Comment
  CHSC66223  Eragrostis pectinacea var. pectinacea Vernon H. Oswald; Lowell Ahart 1996-6-3 7690 Tehama Cascade Range Foothills. Hog Lake Plateau. BLM parcel along Hwy. 36 NE of Red Bluff. Along Paynes Creek at the old bridge site. 103 Comment
  UC1950184  Eragrostis pilosa var. pilosa Barbara Ertter with Elizabeth Neese, Laura Fujii, Dawn Espindola 1989-10-21 8890 Tehama S side of NW arm of Black Butte Lake W of Orland Comment
  CHSC92151  Eriastrum brandegeeae J. Molter 1993-6-26 766 b Tehama Along aband. rd. 640 Comment
  CHSC77532  Ericameria linearifolia Heidi West; Natalie Wight, Caroline Warren 1998-6-5 Tehama Vicinity of upper North Fork Stony Creek and Newville Road (Garland Road). 274 Comment
  JEPS68988  Ericameria ophitidis G. L. Stebbins 1972-8-18 Tehama Summit of Little Red Mountain Comment
  UCD131430  Ericameria ophitidis D. W. Taylor; G. L. Stebbins, L. Heckard 1972-6-18 1513 Tehama Tedoc Mt. 1371 Comment
  CAS-BOT-BC299497  Ericameria ophitidis N. Wynne; M. Peckham; J. Bamesberger 1994-4-10 58 Tehama Begham Creek Bridge 6-57 Trail along ridge above Creek Comment
  CDA4408  Erigeron annuus T. C. Fuller 1959-5-28 2496 Tehama Mill Creek, 1 mile north of Los Molinos. 0 Comment
  JEPS41559  Erigeron bloomeri Mr. H. W. Furlong, Mr. W. B. Greeley, Miss Mary Wilson, and Miss Anna Alexander 1901-1-1 Tehama between Merrill and Cottonwood Comment
  UC1075802  Erigeron divergens E. K. Balls and L. W. Lenz 1955-5-14 20720 Tehama 4.6 mi sw Payne's Creek (along State Hwy 36, Lake Almanor to Red Bluff); Lake Almanor, Red Bluff 487 Comment
  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
  LA37828  Erigeron inornatus J. M. Tucker; L. K. Mann 1959-7-19 3540 Tehama South Yolla Bolly Mountain 1920 Comment
  CHSC105215  Erigeron inornatus var. inornatus Lowell Ahart; John Dittes 2010-7-19 16906 Tehama On the south side of the poor dirt road, about 200 yards southwest of the poor road crossing of the South Fork of Battle Creek, about 3.3 miles (air) southwest of Manton, about 4.2 miles (air) north of Highway 36 and Lane Valley Road intersection. 432 Comment
  JEPS101366  Erigeron lassenianus var. lassenianus Dean W. Taylor 1997-6-25 16098 Tehama margin of Pear Lake; Lassen National Forest 1920 Comment
  JEPS76662  Erigeron reductus var. angustatus L. R. Heckard 1972-6-17 2962 Tehama nw side of, along new road Tedoc Mt. 1280 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
  CHSC88932  Eriodictyon californicum Pat Sater 2001-4-7 Tehama Tehama Wildlife Area. 50 yds southwest of the walkthrough into Sect. 33. UTM: 10 0587821 E, 4445463 N. 489 Comment
  HSC65826  Eriodictyon californicum D. Boyd, M. Eichelberger, Tim Messick, T. Ranker 1980-5-3 72 Tehama 1.5 mi. SSW of BM1797 on Rd. 29N15 610 Comment
  JEPS97286  Eriodictyon californicum Vernon H. Oswald 1995-5-2 6706 Tehama Cascade Range Foothills, Blue Oak Woodland, basalt substrate. Dales Lake Reserve on the W side of Manton Rd. (A6) ca. 2 mi N of Dales Station on Hwy. 36, ca. 14 mi ne of Red Bluff 228 Comment
  SEINET14589905 Image available Eriodictyon californicum Anthony Baniaga 2011-6-3 300 Tehama Lassen National Forest. Along 28N29. Barkley MTN quad. T27N R2E sec 15 NE of SW 1060 Comment
  RSA66987  Eriogonum compositum var. compositum P. A. Munz 1951-7-25 16889 Tehama Square Lake, north base of South Yolla Bolly Mountains 2134 Comment
  CHSC101387  Eriogonum dasyanthemum David Isle 1992-7-29 1553 Tehama Mendocino National Forest; Thomes Creek Watershed; Upper Forks Ridge. S of 24N01.2 between 24N02.1 and 24N32 jcts. 1755 Comment
  CHSC48657  Eriogonum dasyanthemum Vernon Oswald 1983-7-12 847 Tehama Beside Round Valley Rd. (M4; 23N02); 12.5 mi w of its jct. with Garland Rd. 1234 Comment
  CHSC76526  Eriogonum dasyanthemum Heidi West; Caroline Warren 1999-6-9 Tehama Vicinity of Sunflower Gulch and Red Bank Creek. On side of road in shale ruts. 335 Comment
  CHSC80246  Eriogonum dasyanthemum B. Castro; L. P. Janeway, S. Innecken 2000-6-5 1184 A Tehama Vicinity of Paskenta, Thomes Creek, and Bowers Creek. 341 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
  RSA0119058  Eriogonum dasyanthemum Lowell Ahart 2013-9-17 19045 Tehama Gravel bar on the south side of Burris Creek, strand of Black Butte Reservoir, about 1/2 miles (air) northwest of Orland. 136 Comment
  CAS-BOT-BC242619  Eriogonum dasyanthemum Thomas W. Nelson; Jane P. Nelson 1980-6-23 5861 Tehama Along Pettyjohn Rd. 1/2 mile east of junction with rd. to Saddlecamp 914 Comment
  UC1949274  Eriogonum dasyanthemum Barbara Ertter with Brad Olson 1991-7-6 10452 Tehama Toomes Camp Road (M22) 9.3 mi W of Paskenta jct, ca 25 airmiles W of Corning Comment
  CAS-BOT-BC259373  Eriogonum lobbii P. A. Munz 1951-7-26 16924 Tehama East flank of South Yolla Bolly Pk. 2346 Comment
  UC1609135  Eriogonum lobbii var. lobbii Vernon H. Oswald and Lowell Ahart 1993-9-2 5902 Tehama ridge running e from Mt. Linn (ca. 20 mi (air) nw of Paskenta); South Yolla Bolly Mtns. 2346 Comment
  SJSU9526  Eriogonum nudum var. pubiflorum R. L. MacDonald & N. D. Addy 1962-6-30 Tehama Hwy 36 c. 11 mi W of Mineral Comment
  CAS-BOT-BC269979  Eriogonum spergulinum var. reddingianum P. A. Munz 1951-7-25 16893 Tehama Square Lake, north base of South Yolla Bolly Mts. 2133 Comment
  JEPS104256  Eriogonum spergulinum var. reddingianum Lowell Ahart 2003-8-23 10525 Tehama About 10 yd n of Square Lake, ca 3/4 mi ne of Mount Linn, South Yolla Bolly. 2112 Comment
  RSA66603  Eriogonum spergulinum var. reddingianum P. A. Munz 1951-7-25 16893 Tehama 1 mile E of Square Lake. 2134 Comment
  UC1025131  Eriogonum spergulinum var. reddingianum Douglas Barbe 1955-7-16 174 Tehama on the e ridge leading to summit of South Yolla Bolly (Mt. Linn); South Yolla Bolly (Mt. Linn) 2286 Comment
  UC972149  Eriogonum spergulinum var. reddingianum Helen K. Sharsmith 1951-7-11 4012 Tehama Covelo Paskenta road 0.3 mi beyond Anthony Peak road junction; Inner North Coast Ranges, Mendocino National Forest 1524 Comment
  RSA66629  Eriogonum sphaerocephalum P. A. Munz 1951-7-26 16923 Tehama East flank South Yolla Bolly Pk. 2317 Comment
  UC1609431  Eriogonum strictum var. greenei Vernon H. Oswald and Lowell Ahart 1993-9-2 5893 Tehama ridge running e Mt. Linn (ca. 20 air mi nw of Paskenta); South Yolla Bolly Mtns. 2346 Comment
  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
  CHSC117711  Eriogonum vimineum Lowell Ahart; John Dittes 2016-8-24 21264 Tehama About 40 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
  SDSU7214  Eriogonum vimineum R. M. Beauchamp 1965-7-17 Tehama Growing beside State Hwy 32. 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
  UC507151  Eriophyllum lanatum var. grandiflorum Lincoln Constance 1933-7-5 E 118 Tehama 3 mi w Mineral Comment
  JEPS61403  Erodium botrys Virginia Bailey 1938-4-16 Tehama 5 mi w Paskenta (on Paskenta-Covelo road) Comment
  HSC85853  Erodium brachycarpum Tim Tilghman, Rob Marheine, Bruce Delgado 1987-3-28 Tehama Red Bluff, Adobe Market gas station, S edge of parking lot, weed bank Comment
  HSC90405  Erodium cicutarium Joe Doyle, Gayle Honeycutt, Ethan Freid 1992-3-27 21 Tehama Tedock Gap Road, 2.3 mi. from the Tehama/Shasta County border, from turn off on 36 and up about .4 mi. 671 Comment
  JEPS101762  Eryngium alismifolium Dean W. Taylor 1997-7-24 16160 Tehama Dry Lake; Lassen National Forest 1813 Comment
  RSA424749  Eryngium aristulatum var. aristulatum Aaron Liston, M. Blumler 1987-4-24 654 -9 Tehama Hwy 36 between Dales and Paynes Creek; 4-5 miles SW of Dales. 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
  UC1789192  Eryngium articulatum Barbara Ertter 2003-7-20 18248 Tehama Manton Road (A6) 2 miles south of Lanes Valley Rd, ca 18 airmiles northeast of Red Bluff, wet roadside ditch below green stringer on lava flat, 317 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
  RSA771180  Eryngium articulatum Barbara Ertter, Brad Olson 1991-7-5 10291 Tehama 14.5 miles west of Red Bluff on Hwy 36 near Basler Rd. 244 Comment
  UC923156  Eryngium articulatum Freed W. Hoffman 1950-7-2 3271 Tehama 3.5 mi. w. Red Bluff (on rd. to Colyer Springs) Comment
  CDA15434  Eryngium castrense G. F. Hrusa, J. Hart 1998-5-1 14422 Tehama Sacramento Valley; Coyote Creek Conservation Area ~1 mi. W of Paskenta Rd. Comment
  UC735032  Eryngium castrense Lincoln Constance and Herbert L. Mason with J. F. Davidson and J. M. Tucker 1947-5-18 3201 Tehama 1 mi. w. Corning (Sacramento Valley); Sacramento Valley 91 Comment
  UCD21180  Eryngium castrense Vernal Pool Team 2002; Carol Witham and Jennifer Buck 2002-6-10 355 Tehama Hog Lake (BLM); Approximately 7 miles NE of Red Bluff on the N side of Highway 36. Comment
  UCD77684  Eryngium castrense Robert E. Preston 2005-7-9 2362 Tehama Ca. 7 mi NE of Red Bluff, at Hog Lake. 264 Comment
  UC1034887  Erysimum capitatum G. B. and R. P. Rossbach 1938-7-20 891 Tehama exposed slopes just n Sulphur Works mud volcanoes; Lassen Volcanic National Park Comment
  UC1001317  Erysimum capitatum var. capitatum Louise Kellogg 1952-7-14 43 Tehama Square Lake trail from Ovenlid toward South Yolla Bolly Mountain; North Coast Ranges, Mendocino National Forest 1828 Comment
  CHSC65350  Erythranthe breweri Lowell Ahart 1995-10-3 7659 Tehama Along Willow Creek, about 1 3/4 miles (air) north-east of Jonesville, about 6 1/2 miles (air) north-east of Butte Meadows. 1645 Comment
  CHSC92786  Erythranthe glaucescens John Dittes; Josephine Guardino 2005-4-13 1073 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
  CHSC105218  Erythranthe guttata Lowell Ahart; John Dittes 2010-7-19 16902 Tehama About 5 yards north of the poor road crossing, on the bottom of the South Fork of Battle Creek, about 3.3 miles (air) southwest of Manton, about 4.2 miles (air) north of Highway 36 and Lane Valley Road intersection. 432 Comment
  CHSC41103  Erythranthe guttata Pauleen Broyles 1982-5-26 667 Tehama In east pasture. The Nature Conservancy Vina Plains Preserve. 66 Comment
  CHSC68539  Erythranthe microphylla Vernon H. Oswald 1997-4-23 8346 Tehama Forest road M2 9.4 miles W of Paskenta. Inner North Coast Ranges. 899 Comment
  SEINET13733409 Image available Erythranthe tilingii Louise Kellogg 1952-1 85 Tehama North Coast Ranges: Mendocino National Forest; Near Squaw Camp and Pole Corral on Boswell Ridge Directly south of South Yolla Bolly Mountain. 2134 Comment
  RSA28178  Erythronium californicum Elmer I. Applegate 1930-4-16 6118 Tehama Mud Flat, below Bennett Spring, southwest corner of Tehama County, Newville-Covello road. Comment
  CHSC65711  Erythronium multiscapideum Vernon H. Oswald; Lowell Ahart, Joe Molter 1996-3-25 7263 Tehama Cascade Range Foothills. Hog Lake Plateau. BLM parcel along Hwy. 36 NE of Red Bluff. Along Paynes Creek in the NE corner of the parcel. 152 Comment
  RSA93498  Eschscholzia caespitosa subsp. caespitosa Milo S. Baker 1953-4-26 12536 Tehama 5.5 miles west of Paskenta on county road, west Tehama County Comment
  CHSC96629  Eschscholzia lobbii Lowell Ahart; John Dittes, Josephine Guardino 2007-4-3 13621 Tehama On the west side of Brush Creek (a north branch), about 4 miles (air) northeast of the intersection of Highway 99 East and Vina Road, about 7 miles (air) southeast of Los Molinos. 112 Comment
  JEPS22640  Eschscholzia lobbii Rimo Bacigalupi with Drs. Herbert and Lucille Mason Apr 22 1958-Apr 23 1958 6296 Tehama about 2 mi w Kirkwood (about 1/2 mi w of U.S. Hwy 99, about 7 mi s of Corning, lower portions of plains); Kirkwood plains 73 Comment
  SEINET10973063  Euphorbia albomarginata David B. Dunn 1971-8-15 Dunn 18165 Tehama 1 1/2 mi. W of Lassen Park headquarters. Comment
  CHSC80637  Euphorbia crenulata Lowell Ahart 2001-6-16 8871 Tehama On east 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
  JEPS94390  Euphorbia crenulata Vernon H. Oswald and Lowell Ahart 1997-5-14 8420 Tehama Ponderosa Way (Fordst Road 28N29) 3.8 mi se of Plum Creek Road (at a low-water crossing of the North Fork Antelope Creek); North Fork Antelope Creek, Ponderosa Way 938 Comment
  CDA23145  Euphorbia oblongata L. P. Janeway 2006-5-17 8605 Tehama Sacramento Valley; South side of Aramayo Way, 1.2 kilometers west of Highway 99 and 0.5 kilometers east of Sacramento River; between Los Molinos and Tehama. Comment
  CHSC101054  Euphorbia oblongata John Dittes; Josephine Guardino 2005-4-13 1061 Tehama Northern Sacramento Valley; east bank of Sacramento River at southern edge of Mill Creek confluence; sand bar in active floodplain of Sacramento River. 62 Comment
  JEPS106147  Euphorbia oblongata Lowell Ahart 2004-4-15 10749 Tehama On the north side of Tehama Vina Road, about 100 yards north of the Railroad, about 200 yards east of the Sacramento River, in the town of Los Molinos 57 Comment
  RSA739807  Euphorbia oblongata John Dittes, Josephine Guardino 2005-4-13 1061 Tehama Northern Sacramento Valley, E bank of Sacramento River at Southern edge of Mill Creek confluence, sand bar in active floodplain of Sacramento River. 63 Comment
  UC1873659  Euphorbia ocellata subsp. rattanii Barbara Ertter with Brad Olson 1991-7-4 10185 Tehama Toomes Camp Road (Mendocino FR 23N01) 5.3 mi W of Paskenta, ca 22 air miles W of Corning. Comment
  UCD142808  Euphorbia serpillifolia John Thomas Howell 1960-8-18 36031 Tehama Bluff Falls. 1981 Comment
  JEPS88094  Euphorbia spathulata Vernon H. Oswald and Lowell Ahart 1996-5-20 7591 Tehama ne of Red Bluff (above Paynes Creek, BLM parcel along Hwy 36, Hog Lake Plateau); Cascade Range Foothills, Hog Lake Plateau 164 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
  JEPS88393  Euthamia occidentalis Vernon H. Oswald and Lowell Ahart 1996-9-4 8256 Tehama BLM parcel along Hwy 36 ne Red Bluff (along creek ca. 1 mi upstream from the old bridge site); Cascade Range Foothills, Hog Lake Plateau, Paynes Creek 131 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
  UCD32613  Festuca elmeri Beecher Crampton 1954-6-16 1980 Tehama Mendocino National Forest, 1 mile south of Hawell Saddle. 1828 Comment
  RSA93058  Floerkea proserpinacoides Milo S. Baker, H. K. Wagnon 1954-6-10 12981 Tehama East of County Rd. and 6-1/2 mi. above Whitlock Camp, in cut over coniferous forest. 1829 Comment
  CAS-BOT-BC459447  Fragaria virginiana subsp. platypetala Saichi Kawahara 1968-5-5 408 Tehama Meadow on Highway 89, St. Bernard, 1 mile west of Plumas County line 1478 Comment
  CAS-BOT-BC447520  Fragaria virginiana var. platypetala C. R. Quick 1950-6-17 50 -26 Tehama Adjacent to Mill Creek Meadow, W of Gurnsey Camp Ground, Lassen National Forest Comment
  CAS-BOT-BC62951  Frangula californica subsp. crassifolia Elmer I. Applegate 1930-4-16 s.n. Tehama Mud Flat, Newville - Covelo road, southwestern tehama Co. Comment
  CAS-BOT-BC62998  Frangula californica subsp. crassifolia P. C. Everett; E. K. Balls 1954-10-16 20313 Tehama Mud Flat Campground, 7.6 mi. sw. of Paskenta on road to Covelo. 701 Comment
  CHSC61436  Frangula rubra Vernon H. Oswald; Lowell Ahart 1993-8-11 5798 Tehama N end of Spencer Meadow extending into Lassen Volcanic National Park E of Mt. Conard and S of Twin Meadows. 2036 Comment
  CAS-BOT-BC223380  Fraxinus dipetala Elmer I. Applegate 1930-4-16 6120 Tehama Mud Flat, southwest corner of Tehama County Comment
  CAS-BOT-BC223381  Fraxinus dipetala Doris Kildale Gillespie 1930-5-9 9280 Tehama 12 miles west of Payne's [Paynes] Creek on Susanville road Comment
  CDA19723  Fraxinus dipetala H. R. Leach 1950-5-7 s.n. Tehama Northern California; Tehama Winter Deer Ranch. 0 Comment
  CDA39690  Fraxinus latifolia G. D. Barbe 1975-10-23 2097 Tehama Bank of canal north of Thomes Creek, 0.8 mile south of Gyle Road on Hall Road. 0 Comment
  CAS-BOT-BC26112  Fremontia californica var. viridis Alice Eastwood; John Thomas Howell 1934-4-21 1850 Tehama Between Payne's Creek and Red Bluff Comment
  CAS-BOT-BC212399  Fremontodendron californicum A. A. Heller 1924-5-11 13855 Tehama Ridge west of Payne's Creek along the Red Bluff-Susanville Highway. Comment
  CAS-BOT-BC212405  Fremontodendron californicum Carl B. Wolf 1937-5-16 8704 Tehama Red Bluff-Susanville Road, 2 3/10 mile below Paynes Creek P.O., Northern Sierra Nevada Foothills 365 Comment
  CAS-BOT-BC212406  Fremontodendron californicum Peter H. Raven; Otto T. Solbrig 1958-6-16 13242 Tehama Along State Highway 36, 2.0 miles west of Paynes Creek Comment
  CAS-BOT-BC212412  Fremontodendron californicum C. Hart Merriam 1907-9-18 s.n. Tehama South rim Battle Creek, canyon above Payne Creek Comment
  POM253021  Fremontodendron californicum A. A. Heller 1936-4-26 15350 Tehama Ridge west of Payne's Creek. 549 Comment
  UC1037488  Fremontodendron californicum Keith Wagnon 1953-5-3 12649 Tehama near 8 Mile Post, logging road w of Paskenta Comment
  UC1326248  Fremontodendron californicum Milo S. Baker Aug. 1-4 1947 11997 Tehama Mineral - Red Bluff Highway 457 Comment
  SEINET6646739  Fremontodendron californicum E. R. House 1956-4-27 33 Tehama Along side of State Rt. 36, Approx 35 miles east of Red Bluff 549 Comment
  CHSC3401  Fremontodendron californicum subsp. californicum Alice L. Stoll 1966-4-30 145 Tehama Alongside Highway 36 on dry slope 5 miles S. E. of Paynes Creek and 15 miles N.W. of Mineral. Comment
  CHSC79844  Fremontodendron californicum subsp. californicum L. P. Janeway; B. Castro 2000-4-22 6682 Tehama High Cascade Range. Along Ponderosa way near top of Middle Ridge, overlooking South Fork Antelope Creek and Black Butte. 1036 Comment
  CHSC88872  Fremontodendron californicum subsp. californicum Pat Sater 2001-4-21 Tehama Tehama Wildlife Area. At the Rock Wall on Powerline Road. UTM: 10 0591363 E, 4446370 N. 640 Comment
  CHSC101192  Fritillaria affinis L. P. Janeway 2009-3-28 9678 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
  CHSC70847  Fritillaria affinis Vernon Oswald 1998-4-1 Tehama Nomalaki Trail between Round Valley and Mud Flat roads, just north and uphill from Bennett Creek, Mendocino NF. 579 Comment
  CHSC82609  Fritillaria affinis Tara Morgan 2002-3-31 11 Tehama In Ishi Wilderness within Lassen National Forest. Found near the trail that runs parallel to Mill Creek on the south. 682 Comment
  JEPS61891  Fritillaria atropurpurea Joseph Grinnell 1928-6-8 Tehama 6 mi n of Mineral 2133 Comment
  CHSC88658  Fritillaria eastwoodiae Linnea Hanson 1990-4-23 337 Tehama Lassen National Forest. East of Manton. 457 Comment
  RSA66643  Fritillaria glauca Philip A. Munz 1951-7-26 16928 Tehama East slope of South Yolla Bolly Peak. 2348 Comment
  UC1001302  Fritillaria glauca Louise Kellogg 1952-7-12 26 Tehama South Yolla Bolly Mountain, Middle Eel-Yolla Bolla Primitive Area, Mendocino National Forest South Yolla Bolly Mountain; North Coast Ranges, Mendocino National Forest 2438 Comment
  CHSC101193  Fritillaria recurva L. P. Janeway 2009-3-28 9682 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
  UCD139680  Fritillaria recurva Shawn Gleason 1974-4-29 2 Tehama 9.1 miles west of junction of Highway 35 and 89 on Highway 32, 20 feet from creek. 1100 Comment
  JEPS52613  Galium Lauramay T. Dempster and G. L. Stebbins 1964-6-13 4002 Tehama just e Round Mountain (w of Paskenta) 1143 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
  UC125004  Galium ambiguum subsp. ambiguum T. S. Brandegee 1892-9-20 Tehama Yolo Bolo Comment
  CHSC44232  Galium ambiguum var. ambiguum Vernon Oswald 1988-6-27 3526 Tehama Trail between Ides Cove Trailhead and 25N16 along the E side of the Yolla Bolly - Middle Eel Wilderness W of Paskenta. 2133 Comment
  CHSC85306  Galium ambiguum var. ambiguum John Dittes; Josephine Guardino, Lowell Ahart 2003-8-23 806 Tehama High North Coast Range; Yolla Bolly-Middle Eel Wilderness; South Yolla Bolly Mountains; north slope of eastern edge of Mt. Linn; ca. 0.4 air-mile east of Square Lake, along trail. 2118 Comment
  JEPS102869  Galium ambiguum var. ambiguum Lowell Ahart 2001-6-8 8785 Tehama On the W side of road M2, ca 9 miles W of Paskenta. 792 Comment
  CHSC54111  Galium andrewsii subsp. andrewsii Vernon H. Oswald; Anne-Lise Feenstra 1991-5-22 4608 Tehama Raglin Ridge Rd, 3.2 miles south-southwest of Colyear Springs Rd, north-west of Paskenta. 792 Comment
  JEPS52822  Galium andrewsii subsp. andrewsii Lauramay T. Dempster and G. L. Stebbins 1964-6-13 4000 Tehama just e Round Mountain (w of Paskenta) 1143 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
  JEPS122011  Galium aparine Lowell Ahart 2014-5-8 19444 Tehama On the south side of the paved road to Berris Creek, about 0.4 mile east of the intersection with Black Butte Road, about 12 1/2 miles (air) southwest of Corning. Comment
  JEPS6586  Galium aparine Virginia Bailey 1938-4-16 Tehama on Paskenta-Covelo rd 6 mi w Paskenta Comment
  HSC19822  Galium aparine John L. Heywood, D. H. Norris 1968-3-31 1854 Tehama Hwy. 36, 56 mi. E of Shasta Co. line Comment
  JEPS13239  Galium bifolium Rimo Bacigalupi 1955-7-17 5340 Tehama ridge-top close to head of Snake Ridge ((lateral ridge)); Mendocino Nat'l Forest 1874 Comment
Read comments
Jun 15 2007
  JEPS6509  Galium bifolium W. L. Jepson 1927-6-24 12326 Tehama Mineral 1524 Comment
  JEPS107080  Galium bolanderi Barbara Ertter with James R. Shevock 1992-6-14 11145 Tehama Lanes Valley Road 2.3 mi s of Route 46 (Manton Road) ca 7 air mi nw of town of Paynes Creek. Comment
  UC1619977  Galium bolanderi Barbara Ertter with James R. Shevock 1992-6-14 11145 Tehama 7 air mi nw of town of Paynes Creek (Lanes Valley Road 2.3 mi s of Route 46 (Manton Road)); Lanes Valley Road 457 Comment
  JEPS52689  Galium bolanderi Lauramay T. Dempster and G. L. Stebbins 1964-6-14 4008 Tehama on White Rock rd. 0.3 mi from Hwy 36 (w of Harrison Gulch Ranger Station) 609 Comment
  UC1949250  Galium glabrescens Barbara Ertter 1990-7-16 9396 Tehama NW side of Mt Eddy SW of Weed, 1-2 mi E of Park Cr Trailhead (=crest of Rt 17) on S side of Deadfall VABM ridge Comment
  UC102577  Galium grayanum var. nanum T. S. Brandegee 1892-9-20 Tehama Yolo Bolo Comment
  UC1037455  Galium grayanum var. nanum Douglas Barbe 1955-7-16 176 Tehama e ridge leading to summit South Yolla Bolly Mt. 2286 Comment
  CHSC102468  Galium parisiense L. P. Janeway 2009-6-21 9814 Tehama Cascade Range Foothills. Tehama Wildlife Area; along Ishi Road 4.0 road km south of Hogback Road; where the road passes through an un-named short tributary (from the north) into Anteloope Creek, near its head. 628 Comment
  UC1025134  Galium parisiense Milo S. Baker and H. K. Wagnon 1953-5-31 12709 Tehama logging road w Paskenta (near 5 mi post) Comment
  UCD80733  Galium parisiense CNPS SN Foothill Team 2005-6-13 SNNR 0189 Tehama CDFG, Tehama Wildlife Area. 856 Comment
  HSC94206  Galium parisiense D. Haskamp, E. Sonnenblick, M. Taft 1995-4-22 28 Tehama On Hwy. 36, 16 mi. E of Basin Gulch Campground, N side of the Hwy. 213 Comment
  CHSC60408  Galium triflorum Mary Ann Showers 1992-6-26 2586 b Tehama Lassen Volcanic National Park. Canyon bottom along West Sulphur Creek east of Sulphur Works Entrance Station. 1828 Comment
  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
  JEPS94582  Galium triflorum Vernon Oswald and Lowell Ahart 1997-7-7 8688 Tehama Forest Road 27N26 0.4 mi w junction with 27N06 (w of Saddle Campground, near ne corner of Yolla Bolly-Middle Eel Wilderness) 1066 Comment
  CHSC24705  Garrya congdonii J. R. Nelson 1976-3-6 11 Tehama Ca. 10 mi w of Paskenta at Mud Flat Camp. 487 Comment
  UC412939  Garrya congdonii W. W. Mackie Oct 1902 Tehama w of Paskenta Comment
  UCD121085  Garrya congdonii Roman Gankin; W. R. Hildreth 1966-3-16 703 Tehama Toomes Camp Road, 8.7 miles west of Paskenta. Comment
  SBBG5347  Garrya fremontii H. and M. Dearing 1938-6-22 2097 Tehama Deer Crk Comment
  UCD66727  Gastridium phleoides Milo S. Baker; H. K. Wagnon 1953-5-30 12680 Tehama West of Paskenta near 5 mi post. 243 Comment
  RSA647852  Gayophytum diffusum subsp. diffusum James Buel 1957-6-30 139 Tehama Tehama County: Turner Mt. Trail, Lassen National Forest Comment
  CHSC63224  Gayophytum heterozygum Lowell Ahart 1994-7-24 7514 Tehama On the east side of Willow Creek, about 100 yards north of the dirt road, about 1 1/4 miles (air) north of Jonesville. 1615 Comment
  RSA67193  Gayophytum humile P. A. Munz 1951-7-25 16866 Tehama 1 mi. e. of Square Lake, South Yolla Bolly Ms. 2134 Comment
  CHSC106001  Geranium carolinianum B. Castro; L. P. Janeway 2000-4-21 1086 Tehama High Cascade Range. Large springy area on north side of Mill Creek 1.9 km east-northeast of Black Rock and Ponderosa Way. 713 Comment
  UC1949123  Geranium carolinianum Barbara Ertter 1991-5-19 9881 Tehama 14.5 mi W of Red Bluff on Hwy 36, near Baxter Road junction Comment
  JEPS88339  Geranium molle Vernon H. Oswald and Lowell Ahart 1996-4-23 7421 Tehama NE of Red Bluff (Hog Lake, upland along W shore, BLM parcel along Hwy 36); Cascade Range Foothills, Hog Lake Plateau 265 Comment
  CHSC90408  Gilia capitata Niall McCarten 1986-6-16 5468 Tehama Mendocino National Forest--North Coast Ranges. Thomes Creek Watershed. S/25N29. Overlid, 0.5 mi. due south of Browns Camp, 1 mi. east of Ides Cove Trailhead. 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
  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
  SD211661  Gilia sinistra subsp. pinnatisecta Barbara Ertter, Brad Olson 1991-7-6 10392 Tehama Rocky Cabin Meadow, ca. 1.0 mile south of Ball Rock, 1.0 mile southeast of Cold Spring Forest Station, ca. 30 airmiles west of Corning. 1890 Comment
  CHSC107100  Gilia tricolor M. Mitchell 2010-3-24 Tehama Dye Creek Preserve. 649 Comment
  HSC1754  Gilia tricolor Larry Berti 1969-3-21 42 Tehama N face of Antelope Creek Canyon, 12 mi. E of Red Bluff, 3 mi. upstream from the dam 213 Comment
  SJSU11623  Gilia tricolor H. D. Baer 1960-4-14 Tehama c. 11 mi SE of Anderson 259 Comment
  UC1606314  Gilia tricolor subsp. diffusa Barbara Ertter with James R. Shevock 1993-4-30 11593 Tehama Jellys Ferry Road ca 1/2 mi ne of Interstate Hwy 5 n Red Bluff; n of Red Bluff 121 Comment
  CHSC102354  Gilia tricolor subsp. tricolor L. P. Janeway 2009-3-28 9657 Tehama Cascade Range Foothills. Tehama Wildlife Area; along West Grapevine Jeep Trail 1.9 km west of the power lines; ridge top north of Little Grapevine Creek. 503 Comment
  CHSC96663  Gilia tricolor subsp. tricolor Lowell Ahart 2007-5-8 13739 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
  CHSC66480  Githopsis pulchella subsp. campestris Vernon H. Oswald; Lowell Ahart 1996-5-20 7593 Tehama Hog Lake Plateau. BLM parcel along Hwy. 36 NE of Red Bluff. Cascade Range Foothills. Edge of intermittent stream near Paynes Creek. 158 Comment
  CHSC84678  Githopsis pulchella subsp. campestris Samantha Mackey Hillaire; Brian Elliott 2003-5-31 324 Tehama Lassen National Forest, Ishi Wilderness. North side of Ishi Wilderness at the Rancheria Creek Trailhead. In the roadsides and 'parking lot. 978 Comment
  JEPS94338  Githopsis pulchella subsp. campestris Vernon H. Oswald and Lowell Ahart 1997-5-14 8452 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 Mill Creek at Black Rock; Ponderosa Way 725 Comment
  SEINET10972187  Githopsis specularioides Ethel K. Crum 1932-5-9 Crum 1439 Tehama Elder Creek, Lowry 305 Comment
  CDA2106  Glyceria declinata Vernon H. Oswald & Lowell Ahart 1998-4-27 8978 Tehama Vestal Road 4.9 miles west of its junction with Cannon, Pettyjohn, and Reeds Creek Roads, west of Red Bluff and south of Hwy 36. Comment
  CHSC96614  Glyceria declinata Lowell Ahart; John Dittes, Josephine Guardino 2007-4-3 13608 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
  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
  RSA413946  Glyceria striata J. P. Smith, Thomas W. Nelson 1979-6-24 10192 Tehama Shasta-Trinity National Forest. Post Creek. 1220 Comment
  CHSC77568  Glycyrrhiza lepidota B. Castro; H. West 1999-6-1 941 Tehama About 22 air miles W of Orland, vicinity of Newville and Salt Creek. 201 Comment
  JEPS124070  Gnaphalium palustre Lowell Ahart, John Dittes 2015-8-5 20469 Tehama East side of Childs Meadow, 150 yards west of Highway 36, 0.69 air-miles northwest of intersection of State Highway 36 and Wilson Lake Road (County Road 769), 1.2 air-miles east of Doe Mountain, 9.77 air-miles south of Lassen Peak. Comment
  CAS-BOT-BC303345  Gnaphalium palustre Clare B. Hardham 1971-8-10 18341 A Tehama South Yolla Bolly Mt. Dry Lake. Road to Red Bluff 1676 Comment
  CAS-BOT-BC303346  Gnaphalium palustre L. E. Smith 1914-5-8 673 Tehama Red Bluff Tehama Comment
  CHSC94553  Goodyera oblongifolia Lowell Ahart 2006-9-9 13262 Tehama Near a bog, about 75 yards east of the dirt road, about 220 yards east of Colby Creek, about 2 miles (air) southeast of Colby Mountain, about 5 miles (air) northeast of Butte Meadows. 1525 Comment
  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
  CHSC80076  Gratiola ebracteata B. Castro; L. P. Janeway 2000-5-11 1156 Tehama Vicinity of Orland and Black Butte Lake, on terrace next to Rice Creek. 88 Comment
  JEPS96010  Gratiola ebracteata Vernon H. Oswald and Lowell Ahart 1996-4-29 7470 Tehama CDFG parcel on the S side of Gyle Rd. NW of Corning; Northwest side of Sacramento Valley, Valley and Foothills Grassland, Stream near the W boundary 103 Comment
  JEPS87022  Gratiola heterosepala Dean W. Taylor 1990-5-9 11691 Tehama w base Tuscan Buttes (in large (ca 3 acre) vernal lake (local name 7 Mile Lake)); Sacramento Valley, Dales Quad, w base Tuscan Buttes, 7 Mile 295 Comment
  JEPS88101  Grindelia hirsutula Vernon H. Oswald and Lowell Ahart 1996-7-8 7956 Tehama BLM parcel along Hwy 36 ne Red Bluff (edge of intermittent stream crossing ne corner of parcel); Cascade Range Foothills, Hog Lake Plateau 182 Comment
  CHSC117741  Grindelia hirsutula var. davyi Lowell Ahart; John Dittes 2016-8-24 21263 Tehama About 20 yards west of the Sacramento River, Anderson River Park, 0.7 mile (air) upstream from Stillwater Creek Confluence, 1.8 miles (air) northeast of Balls Ferry Road exit from Interstate 5 in Anderson. Undesignated Section of San Buenaventura Land Grant. 117 Comment
  CHSC64818  Grindelia hirsutula var. davyi Vernon H. Oswald 1995-6-4 6830 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 Manton Rd. just s of Inks Creek Rd. 213 Comment
  JEPS94593  Hackelia amethystina Vernon Oswald and Lowell Ahart 1997-6-10 8555 Tehama on M2 (23N69) 0.9 mi w junction with M4 (between Sugar Spring and Government Flat campgrounds, between Paskenta and Covelo) 1737 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
  JEPS67923  Hackelia californica Jos. Grinnell 1925-6-16 Tehama Mineral 1463 Comment
  SBBG6296  Hackelia californica H. and M. Dearing 1938-6-23 2118 Tehama E of Mineral Comment
  SEINET5552968  Hackelia californica H. S. Gentry, S. Koch 1962-1 19778 Tehama 1.5 mi. E of junction of Routes 32 and 36. 1371 Comment
  JEPS67935  Hackelia nervosa Jos. Grinnell 1928-6-8 Tehama 4 mi n of Mineral 1828 Comment
  CAS-BOT-BC123682  Haplopappus ophitidis Freed W. Hoffman 1949-7-21 2834 Tehama northwestern Tehama County, summit of Mt. Tedoc 1524 Comment
  CHSC92154  Harmonia stebbinsii J. Molter 1993-7-1 764 b Tehama No. and adjacent to drainage. 900 Comment
  UC1019882  Harmonia stebbinsii Milo S. Baker 1953-5-10 12622 Tehama logging road w Paskenta (near 10 mi post) Comment
  UC1023462  Harmonia stebbinsii Milo S. Baker and H. K. Wagnon 1953-5-10 12622 Tehama logging road w Paskenta (near 10 mi post) Comment
  UCD138404  Hastingsia alba Alan A. Beetle 1941-6-27 2755 Tehama 1 mile south of junction Route 32 and 36, 13 miles west of Chester, open meadow, seepage associated with Camassia, Habenaria. 1219 Comment
  JEPS118587  Hazardia whitneyi var. whitneyi L. P. Janeway 2010-8-29 10173 Tehama High Cascade Range. 1.8 air km north-northeast of Colby Mountain; along Road 17N12 0.6 km north of Road 27N06. Onion Butte 7.5; quad. Comment
  CAS-BOT-BC306537  Helenium bigelovii John Thomas Howell 1960-8-18 36074 Tehama Near Lassen Volcanic National Park. Bluff Falls 1981 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
Read comments
Jul 29 2009
  JEPS102876  Helianthus bolanderi Vernon H. Oswald 2001-6-5 10041 Tehama Raglin Ridge Rd 0.6 mi east of the North Fork of Elder Creek. 426 Comment
  UCD132910  Helianthus bolanderi Brad D. Schafer 2005-7-29 165 Tehama 6.5 km south west of Manton, CA 0.5 km north of Manton road near the Eagle Canyon Canal. Comment
  CAS-BOT-BC305659  Helianthus ciliaris Brandt 1936-11-1 s.n. Tehama 4 mi. s. of Red Bluff on S. P. right of way Comment
  RSA285949  Heliotropium curassavicum var. oculatum T. C. Fuller 1968-9-17 17616 Tehama Hwy 36 to Beegum, 5 miles W of old Hwy 99, NW of Red Bluff Comment
  CDA40614  Heliotropium europaeum L. Ahart, John Dittes, Jim Gannon, Lyle Martinez. 2002-11-4 10007 Tehama Jewett Creek, east of Marguerite Road, about 1 1/4 miles (air) southeast of Corning. Comment
  JEPS103458  Heliotropium europaeum Lowell Ahart 2002-11-4 10007 Tehama 1 1/4 air mi SE of Corning (Jewett Creek, E of Marguerite Road) 74 Comment
  UC1275923  Heliotropium europaeum N. H. Macleod 1957-9-4 Tehama along Red Bank Rd, w. of Red Bluff 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
  CAS-BOT-BC313475  Hemizonella minima Catherine Best 1992-7-14 1390 Tehama At the edge of the Mendocino Pass Road near the Mendocino Co. Tehama Co. line Comment
  CHSC55666  Hemizonella minima K. R. Stern 1986-5-21 8310 Tehama Deer Creek Meadows, 1 mi SE of jct hwys 32 and 36. 1402 Comment
  JEPS106297  Hemizonia congesta subsp. clevelandii Lowell Ahart 2004-6-11 11016 Tehama Along the switchbacks, 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 543 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
  CHSC106138  Hemizonia congesta subsp. luzulifolia L. P. Janeway 2010-9-12 10211 Tehama High North Coast Ranges. South-southeast sloping glade on Oak Ridge, below Road M4 3.5 air km west of Log Spring Station. 1524 Comment
  CDA3421  Herniaria hirsuta subsp. cinerea J. T. Howell 1960-7-24 36000 Tehama Paynes Creek Comment
  RSA201456  Herniaria hirsuta subsp. cinerea J. T. Howell 1960-7-24 36000 Tehama Dry roadside; Paynes Creek. 564 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
  CAS-BOT-BC388508  Herniaria hirsuta var. cinerea John Thomas Howell 1955-6-12 30314 Tehama Flood bed of Dibble Creek, 1.5 miles north of Red Bluff 91 Comment
  UCD98162  Herniaria hirsuta var. cinerea John Thomas Howell 1960-7-24 36000 Tehama Paynes Creek. 563 Comment
  CHSC77537  Hesperevax acaulis var. robustior Heidi West; Caroline Warren, Julie Cunningham 1998-4-27 Tehama Vicinity of Red Bank Road, Red Bank Creek, and The Narrows. 298 Comment
  CHSC48461  Hesperochiron pumilus Vernon Oswald 1986-3-27 1060 Tehama Belle Mill (Hogsback) Rd. 1.2 mi w of Finley Lake, 0.1 mi e of Lassen National Forest boundary. 792 Comment
  CHSC77355  Hesperolinon californicum L. P. Janeway; B. Castro, Caroline Warren 1999-6-8 6457 Tehama Vicinity of Cracker Canyon and South Fork Cottonwood Creek. 365 Comment
  CHSC78854  Hesperolinon disjunctum Julie Cunningham; Heidi West, Caroline Warren 1998-7-7 Tehama Vicinity of Bell Road and Jackass Canyon. 313 Comment
  UCD110517  Hesperolinon disjunctum Joyce Lacey; S. Morey 1982-6-10 s.n. Tehama Along jeep trail about 1/4 mile in from Salt Creek Saddle; on Lodo Shale slope. 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
  CHSC48603  Hesperolinon tehamense Vernon Oswald 1986-6-23 2147 Tehama M2 (23N01) 12.7 mi w of Paskenta. Road cut through serpentine. 1188 Comment
  CHSC80664  Hesperolinon tehamense Lowell Ahart 2001-6-8 8779 Tehama On the west side of road M2, about 9 miles west of Paskenta. 792 Comment
  HSC97148  Hesperolinon tehamense L. Ahart 2004-6-30 11150 Tehama 9 mi. W of Paskenta, E side of Rd. M2 883 Comment
  JEPS122823  Hesperolinon tehamense W. A. Freyman with A. C. Schneider & Y. P. Springer 2014-5-20 286 Tehama Along road to Mud Flat campground off the Round Valley Road southwest of Paskenta. Comment
  JEPS122884  Hesperolinon tehamense Adam C. Schneider with Will Freyman and Yuri P. Springer 2014-5-20 632 Tehama Mendocino National Forest. Near beginning of incline on Toomes Camp Rd west of Paskenta Comment
  SEINET882379  Hesperolinon tehamense H. K. Sharsmith 1951-1 4018 Tehama Covelo-Paskenta road, 11.1 mi W of Paskenta, Mondocino Nat. Forest. 1158 Comment
  UC1212201  Hesperolinon tehamense Helen K. Sharsmith 1959-5-26 4689 Tehama Covelo-Paskenta (Round Valley) road 5.1 mi above junction of Newville-Paskenta road (2.1 mi within the national forest boundary); Inner North Coast Ranges, Mendocino National Forest 1066 Comment
  UC1212204  Hesperolinon tehamense Herbert L. Mason 1947-5-18 Tehama Paskenta grade Inner North Coast Ranges (southern Tehama County) Comment
  UC1949298  Hesperolinon tehamense Barbara Ertter with Brad Olson 1991-7-4 10202 Tehama Toomes Camp Rd (Mendocino FR 23N01) 7.0 mi W of Paskenta, ca 23 airmiles W of Corning Comment
  CHSC77762  Heterocodon rariflorum B. Castro; L. P. Janeway 1999-6-3 957 Tehama About 23 air miles W of Red Bluff, vicinity of Pettyjohn Rd and S. Fork Cottonwood Creek. 356 Comment
  UC1618270  Heterocodon rariflorum Barbara Ertter 1991-9-2 10757 Tehama ca 16 air mi e Covelo (springs at head of Burnt Creek, on e side Anthony Peak, 0.5 mi n of Wells Cabin Campground on ridge road, sw Tehama County); Anthony Peak, Burnt Creek 1889 Comment
  SEINET10460623  Heterocodon rariflorum Philip A. Munz 1951-7-25 Munz 16869 Tehama 1 MI E OF SQUARE LAKE, S YOLLA BOLLY MTNS Comment
  RSA0072479  Heteromeles arbutifolia Percy C. Everett, E. K. Balls 1954-10-15 20312 Tehama Paskenta to Covelo road, 5.5 miles SW of Paskenta. 549 Comment
  JEPS127116  Heterotheca oregona var. compacta Lowell Ahart, John Dittes 2016-8-24 21267 Tehama Anderson River Park, 0.7 mile (air) upstream from Stillwater Creek Confluence, 1.8 miles (air) northeast of Balls Ferry Road exit from Interstate 5 in Anderson. Undesignated Section of San Buenaventura Land Grant. Comment
  UC1037397  Heuchera micrantha var. diversifolia Douglas Barbe 1955-7-22 250 Tehama 1/4 mi w of square Lake on trail to Long Lake 2103 Comment
  CHSC114641  Heuchera micrantha var. erubescens Brad Penkala 1990-6-6 120 Tehama Yolla Bolla Ranger Dist., 1 air mile east of Stuart Gap. Rock outcrop northwest of Forest Service Rd. 28N36, above creek. 1300 Comment
  RSA0066159  Heuchera micrantha var. hartwegii G. D. Barbe 1955-7-22 250 Tehama 0.25 mile W of Square Lake on the trail to Long Lake. 2104 Comment
  CAS-BOT-BC312341  Hieracium albiflorum John Thomas Howell 1960-8-18 36033 Tehama Bluf Falls near Lassen Volcanic National Park 1981 Comment
  CHSC45683  Hieracium gracile Vernon Oswald 1986-7-24 2227 Tehama Brokeoff Mountain Trail, Lassen Volcanic National Park. 2316 Comment
  CHSC64945  Hieracium greenei Vernon H. Oswald; Lowell Ahart 1995-7-12 7012 Tehama High North Coast Ranges. W of Red Bluff and S of Platina on Forest Route 45 (Tedoc Mtn. Rd.), 4.1 mi S of Hwy. 36. Roadside banks. 1066 Comment
  JEPS97398  Hieracium greenei Vernon H. Oswald and L. Ahart 1995-7-12 7012 Tehama T29N R9W SE1/4 Sec. 33, 3500 ft, High North Coast Ranges, Yellow Pine Forest, decomposed sandy conglomerate. W of Red Bluff and S of Platina on Forest Route 45 (Tedoc Mtn. Rd.), 4.1 mi S of Hwy. 36 1066 Comment
  CHSC80597  Hieracium scouleri var. 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
  JEPS104181  Holcus lanatus Lowell Ahart 2003-6-11 10273 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
  HSC97586  Holodiscus discolor Vernon H. Oswald, L. Ahart 1997-7-7 8670 Tehama Near NE corner of Yolla Bolly Wilderness on FS Rd. 27N06, 0.5 mi. N of Tomhead Saddle. 1677 Comment
  LA207963  Holodiscus discolor J. M. Tucker; 1962-7-29 3627 Tehama South Yolla Bolly Mountain, 0.75 mi. N of Ovenlid, ca. 3 mi. E of the summit 1981 Comment
  CAS-BOT-BC280887  Hordeum brachyantherum subsp. brachyantherum John Thomas Howell 1960-8-18 36099 Tehama Lassen Volcanic National Park. Sulphur Works Checking Station 2011 Comment
  HSC1775  Hordeum marinum subsp. gussoneanum Larry Berti 1969-5-9 80 Tehama Antelope Creek Canyon, N face, 12 mi. E of Red Bluff, 3 mi. upstream from dam. 213 Comment
  JEPS97207  Hordeum marinum subsp. gussoneanum Vernon H. Oswald and L. Ahart 1995-4-3 6568 Tehama T29N R2W NW1/4 SW1/4 Sec. 26, 700 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 213 Comment
  UCD85928  Hordeum murinum subsp. glaucum A. A. Beetle 1942-5-19 3304 Tehama 10 miles W of Red Bluff. Comment
  CHSC75432  Hordeum murinum subsp. leporinum Ben Myhre 1997-4-25 39 Tehama Dye Creek Preserve, 8 miles north of Los Molinos. About 1/4 mile west of the mouth of Dye Creek Canyon. 106 Comment
  UC625495  Horkelia fusca subsp. tenella Frank W. Gould 1938-6-26 469 Tehama just w Plumas Co. Line (near hwy 89) 1554 Comment
  CAS-BOT-BC143972  Horkelia fusca var. tenella Ethel Crum 1937-8-7 1955 Tehama 1.6 miles northwest of Mineral Summit 1463 Comment
  CAS-BOT-BC205674  Horkelia tridentata James R. Shevock; David Isle 1985-6-22 11268 Tehama Northern Coast Ranges. Mendocino National Forest. Along forest road 23N60 between Anthony Peak and Wells Cabin Meadow 1900 Comment
  SD43466  Horkelia tridentata Philip A. Munz 1947-5-18 11857 Tehama 12 miles east of Mineral on Highway 36. 1584 Comment
  SEINET6924755  Horkelia tridentata Robert A. Evers, Clara V. Evers 1975-8-23 115008 Tehama 2 miles (3.2 km) west of Mineral. Comment
  CAS-BOT-BC540022  Horkelia tridentata var. tridentata John Thomas Howell 1960-4-20 36272 Tehama Lassen Volcanic National Park, Morgan 1463 Comment
  HSC97757  Hosackia oblongifolia var. oblongifolia Vernon H. Oswald, L. Ahart 1997-7-7 8705 Tehama Forest Route 35 at Slide Creek near NE corner of Yolla Bolly-Middle Eel Wilderness 1189 Comment
  CHSC80642  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
  CHSC88271  Hypericum anagalloides Lowell Ahart; Samantha Mackey Hillaire 2004-7-9 11204 Tehama Seep on the north side of the Mill Creek Trail (4E10), north of Mill Creek, about 3/4 mile west of the Black Rock, Black Rock Campground, and Ponderosa Way (Forest Road 28N29), about 26 miles (air) east of Red Bluff. 655 Comment
  SBBG25920  Hypericum anagalloides D. Myrick 1966-8-6 1460 Tehama South Yolla Bolly Mtn 2133 Comment
  CHSC64711  Hypericum perforatum Vernon H. Oswald 1995-5-22 6756 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. Large population growing along Manton Rd. e of the borrow pit. 219 Comment
  CHSC27831  Hypochaeris glabra Eric J. Miller 1978-4-24 15 Tehama Ca. 1 km w Sacramento River at Woodson Bridge. 28 Comment
  RSA704008  Hypochaeris glabra Daphne K. Christopher, Hannah Stevens, M. Bibbo 2003-4-20 217 Tehama Vina Plains Nature Conservancy Preserve in Big Pond section. 67 Comment
  HSC82139  Iris macrosiphon Thomas W. Nelson, Jane P. Nelson 1979-6-25 4931 Tehama Along FS Rd. 45 at mile post 11, W slope of Mt. Tedoc 1372 Comment
  CDA19855  Isatis tinctoria R. Breckenridge 2002-5-3 PDR 1204455 Tehama Northern California; I-5 southbound, 100 ft N of Proberta exit. 0 Comment
  CHSC40819  Isoetes howellii Pauleen Broyles 1982-5-21 641 Tehama Ca 30 meters s of Lassen Road in w pasture. The Nature Conservancy Vina Plains Preserve. 66 Comment
  JEPS89842  Isoetes howellii Dean W. Taylor 1990-5-9 11686 Tehama ca. 300 meters n. of creek along right-of-way electrical transmission lines (PG & E Pit-Vaca line) Stony Creek; Sacramento Valley, Black butte Dam 7 1/2 Quad., Stony Creek 112 Comment
  CAS-BOT-BC69941  Isoetes howellii Doris Kildale Gillespie 1930-5-14 9359 Tehama 10 mi. e. of Red Bluff on Susanville Road. Comment
  CHSC64493  Isoetes nuttallii Vernon H. Oswald; Lowell Ahart 1995-4-3 6563 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. 216 Comment
  CHSC87379  Isoetes nuttallii Lowell Ahart 2004-4-29 10782 Tehama On the bottom of a vernal pool, about 10 yards west of the Nomalaki Trail, about 1/2 mile northwest of Bowers Creek, about 1 1/4 miles northwest of Forest Road 23N69 (Mud Flat Road), about 7 miles (air) southwest of Paskenta. 571 Comment
  HSC96913  Isoetes nuttallii L. Ahart 2004-4-29 10782 Tehama About 10 yards W of the Nomalaki Trail, about 0.5 mi. NW of Bowers Creek, about 1.25 mi. NW of Forest Rd. 23N69 (Mud Flat Rd.), about 7 mi. SW of Paskenta 571 Comment
  JEPS106117  Isoetes nuttallii Lowell Ahart 2004-4-29 10782 Tehama On the bottom of a vernal pool, about 10 yards west of the Nomalaki Trail, about 1/2 mile northwest of Bowers Creek, about 1 1/4 miles northwest of Forest Road 23N69 (Mud Flat Road), about 7 miles (air) southwest of Paskenta 571 Comment
  CAS-BOT-BC57750  Isoetes nuttallii Doris Kildale Gillespie 1930-5-14 9360 Tehama 10 miles east of Red Bluff on Susanville road Comment
  CAS-BOT-BC61851  Isoetes nuttallii Doris Kildale Gillespie 1930-5-14 9360 Tehama 10 miles east of Red Bluff on Susanville road 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
  CHSC80705  Juncus balticus Lowell Ahart 2001-6-8 8795 Tehama On the west side of road M2, about 9 miles west of Paskenta. 792 Comment
  CHSC76857  Juncus bolanderi L. P. Janeway; B. Castro 1999-8-24 6547 Tehama High North Coast Ranges. At Willow Spring; 1.6 mi east of Buck Rock between Forks Ridge and Short Ridge. 1737 Comment
  SJSU9852  Juncus bufonius R. L. MacDonald & N. D. Addy 1962-6-30 Tehama Highway 36 c. 11 mi W of Mineral Comment
  CHSC102653  Juncus bufonius var. bufonius Lowell Ahart; John Dittes, Josephine Guardino 2009-8-27 16338 Tehama West side of pond on the east side of Forest Service Road 29N25A, Childs Meadows, about 2600 ft south of the intersection of Highway 36 (89) and Forest Service Road 29N25A, 2.3 miles (air) northeast of the town of Mill Creek, 9.1 miles (air) south of Lassen Peak. In area between Sec 23 SE1/4 and Sec 24 SW1/4. 1493 Comment
  CHSC44296  Juncus bufonius var. congestus V. Oswald; L. Ahart 1988-5-21 3334 Tehama Thomes Creek ca. 1 mi e of Paskenta. 219 Comment
  CHSC65935  Juncus capitatus Vernon H. Oswald; Lowell Ahart 1996-4-15 7359 Tehama Thomes Creek Ecological Reserve. CDFG parcel on the S side of Gyle Rd. NW of Corning. Northwest side of Sacramento Valley. Vernally flooded drainage on the S side of the intermittent stream ca. 0.1 mi E of the lane 103 Comment
  UC1619921  Juncus covillei var. covillei Barbara Ertter 1991-9-2 10762 Tehama on ridge road 0.5 mi n Wells Cabin Campground (springs at head of creek, e side of peak, ca 16 air mi e of Covelo); Anthony Peak, Burnt Creek 1889 Comment
  CHSC40824  Juncus dubius Pauleen Broyles 1982-7-7 793 Tehama The Nature Conservancy Vina Plains Preserve. Irrigation ditch nw of barn. 66 Comment
  CHSC102631  Juncus ensifolius Lowell Ahart; Josephine Guardino 2009-9-6 16364 Tehama Southwest of the enclosure, along a small stream that flowers into Gurnsey Creek, west of Gurnsey Creek, about 3/4 mile southwest of the intersection of Highway 36 and Paynes Creek Road, about 6 1/2 miles (air) southeast of Mineral. 1478 Comment
  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
  CHSC90401  Juncus ensifolius Niall McCarten; Roxanne Bittman 1986-6-14 5326 Tehama Mendocino National Forest--North Coast Ranges. Thomes Creek Watershed. 0.25 mi. W of jct. Rd. 25N41 and 25N32. 1524 Comment
  UC1619924  Juncus ensifolius Barbara Ertter 1991-9-2 10758 Tehama on ridge road ca 0.5 mi n Wells Cabin Campground (e side of peak, springs at head of creek, ca 16 air mi e of Covelo); Anthony Peak, Burnt Creek 1889 Comment
  UCD141531  Juncus ensifolius John Thomas Howell 1960-8-18 36104 Tehama Lassen Volcanic National Park; Sulphur Works Checking Station. 2011 Comment
  UCD141538  Juncus ensifolius Dean W. Taylor 1976-7-7 6021 Tehama Cub Creek upstream from junction with Deer Creek along Highway 32. 1188 Comment
  CAS-BOT-BC279924  Juncus laccatus Peter F. Zika 2012-7-13 25974 Tehama Sheep Trail Ridge, FS Road 27N06, 2.1 road miles below summit, on NE slope of Tomhead Mountain, Yolla Bolly Mountains; North Coast Range Highlands (NCoRH) 1675 Comment
  JEPS100393  Juncus leiospermus var. leiospermus Dean W. Taylor 1995-5-9 14899 Tehama 8 miles S of Red Bluff, Oat Creek, west of Paskenta Road and high-voltage electrical transmission lines 106 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
  JEPS121387  Juncus marginatus Peter F. Zika 2011-7-4 25507 Tehama W side of Wildcat Road, 0.4 road miles S of bridge over Battle Creek Comment
  RSA67179  Juncus occidentalis Phillip A. Munz 1951-7-25 16850 Tehama Near base of South Yolla Bolly Mountains: Square Lake. 2149 Comment
  RSA565103  Juncus orthophyllus D. W. Taylor, Glenn L. Clifton 1992-8-22 13195 Tehama Mt. Conard, east slope in the head of unnamed creek draining to Spencer Meadow, near the Plumas County line. 2393 Comment
  SBBG119782  Juncus oxymeris L. Ahart 2004-6-11 11034 Tehama Dead Rabbit Lake, ca. 100 yards W of the Nomalaki Trail, ca. 1.5 mi NW of Bowers Crk, ca. 2.25 mi NW of USFS Rd 23N69 (Mud Flat Rd), ca. 8 air mi SW of Paskenta 545 Comment
  CHSC102652  Juncus tenuis Lowell Ahart; John Dittes, Josephine Guardino 2009-8-27 16340 Tehama West side of pond on the east side of Forest Service Road 29N25A, Childs Meadows, about 2600 ft south of the intersection of Highway 36 (89) and Forest Service Road 29N25A, 2.3 miles (air) northeast of the town of Mill Creek, 9.1 miles (air) south of Lassen Peak. In area between Sec 23 SE1/4 and Sec 24 SW1/4. 1493 Comment
  CHSC65073  Juncus tenuis Vernon H. Oswald; Lowell Ahart 1995-7-17 7078 Tehama Cascade Range Foothills. Dales Lake Ecological Reserve. W side of Manton Rd. (A6) ca. 1 mi N of Dales Station on Hwy. 36, ca. 14 mi NE of Red Bluff. S side of Inks Creek Rd. on the edge of pools in the southern cluster (collected in Pool 7). 213 Comment
  JEPS117701  Juncus tenuis Lowell Ahart, John Dittes 2010-7-17 16862 Tehama On damp red soil, seep, about 10 yards east of the east 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
  HSC98446  Juncus usitatus Peter Zika 2007-6-5 23024 Tehama Near Elder Creek on W side of Hwy. 5, Sacramento Valley 85 Comment
  CHSC77624  Juncus xiphioides B. Castro; H. West 1999-6-1 939 Tehama About 22 air miles W of Orland, vicinity of Newville and Salt Creek. Close to water. 196 Comment
  JEPS27193  Juniperus californica W. L. Jepson 1929-9-30 15337 Tehama 14 mi ne of Red Bluff (and 11 mi ne of U S 99-E, at the junction of the rd. to Manton with that to Paynes Creek); Dales Station 182 Comment
  UC1134282  Juniperus californica C. G. Albertus 1933-7-7 42 Tehama 0.25 mi nw Promontory Point; Chico Quad. 914 Comment
  UC766774  Juniperus californica R. F. Hoover 1940-9-22 4621 Tehama plateau ne Red Bluff Comment
  CHSC117157  Keckiella breviflora var. glabrisepala Lowell Ahart; John Dittes 2016-6-22 21046 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
  JEPS126575  Keckiella breviflora var. glabrisepala Lowell Ahart, John Dittes 2016-6-22 21046 Tehama About 300 yards southwest of the fish ladder on Deer Creek, about 0.8 mile (air) northeast of USFS Road 27N08 Bridge over Deer Creek, about 2 miles by trail to Highway 32. Comment
  JEPS88585  Keckiella breviflora var. glabrisepala Vernon H. Oswald and Lowell Ahart 1996-5-20 7577 Tehama BLM parcel along Hwy. 36 NE of Red Bluff; Cascade Range Foothills, Blue Oak Woodland, Tuscan mudflow substrate. Intermittent stream at northeast end of the parcel. 182 Comment
  CAS-BOT-BC235867  Keckiella corymbosa Clare B. Hardham 1971-8-9 18332 Tehama Near Patton Mill road up Digger Creek. Road from Paskenta to South Yolla Bolly Mountain 1158 Comment
  CHSC48990  Keckiella corymbosa Vernon Oswald 1986-7-15 2204 Tehama Round Valley Rd. (M4), 20.0 mi w of Paskenta. 1463 Comment
  JEPS97168  Keckiella corymbosa Julie Kierstead 1990-9-11 90 -148 Tehama 2.5 mi S of Tedoc Gap (on FS Road 27N13); Shasta-Trinity National Forests, Yolla Bolla Ranger District 1524 Comment
  UC728682  Keckiella lemmonii Milo S. Baker 1943-8-8 10643 Tehama 0.25 mi e Government Flat (near highway) Comment
  SEINET10782836  Keckiella lemmonii Barbara J. Ertter 1991-9-2 Ertter 10773 Tehama Round Valley-Paskenta road (Rt M4) 2.3 mi E of M2 jct at Government Flat, ca. 19 airmiles W of Paskenta, T23N R9W Sec 17/18; rocky roadcut in open yellow pine-red fir forest. 1676 Comment
  JEPS124022  Kelloggia galioides Lowell Ahart, John Dittes 2015-8-5 20481 Tehama East side of Childs Meadow, 150 yards west of Highway 36, 0.69 air-miles northwest of intersection of State Highway 36 and Wilson Lake Road (County Road 769), 1.2 air-miles east of Doe Mountain, 9.77 air-miles south of Lassen Peak. Comment
  CHSC66127  Koeleria phleoides Vernon H. Oswald; Lowell Ahart 1996-4-29 7474 Tehama Northwest side of Sacramento Valley. Thomes Creek Ecological Reserve. CDFG parcel on the S side of Gyle Rd. NW of Corning. On the edge of the intermittent stream near the W boundary. 103 Comment
  CHSC40522  Lactuca saligna Pauleen Broyles 1982-7-7 782 Tehama The Nature Conservancy Vina Plains Preserve. 66 Comment
  JEPS124014  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 Mountain, 9.77 air-miles south of Lassen Peak. Comment
  CHSC77310  Lagophylla glandulosa Heidi West; B. Castro 1999-6-1 Tehama Vicinity of Salt Creek and Newville. 201 Comment
  JEPS118738  Lagophylla glandulosa L. P. Janeway 2011-9-27 10749 Tehama Inner North Coast Ranges. Above one of the northern arms of Black Butte Lake, Irwin Road access, 1.3 km south of Newville Road. Black Butte Dam 7.5' quad. Comment
  JEPS15247  Lagophylla glandulosa Rimo Bacigalupi with J. R. Sweeney and G. Bacigalupi Jr. 1953-8-29 4339 Tehama 1 1/2 mi e Corning (rolling plain on floor of valley, on road to Vina); Sacramento Valley 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
  UC1618415  Lagophylla ramosissima Barbara Ertter 1991-9-2 10779 Tehama 2.8 mi w of Log Spring Creek (15 air mi wsw of Paskenta, Round Valley - Paskenta Road (Rt M4), sw Tehama County); Rt M4 1524 Comment
  HSC68178  Lasthenia californica J. P. Smith 1972-3-23 5100 Tehama 1.8 mi. S of the Tehama-Butte Co. line along Hwy. 99, N of Chico. Comment
  JEPS97212  Lasthenia californica subsp. californica Vernon H. Oswald and L. Ahart 1995-4-3 6560 Tehama T29N R2W NE1/4 SW1/4 Sec. 26, 710 ft, Cascade Range Foothills, Stony Tuscan Loam over hardpan. Dales Lake Reserve on the W side of Manton Rd. (A6) ca. 1.5 mi n of Dales Station on Hwy. 36, ca. 14 mi ne of Red Bluff 216 Comment
  UC1363766  Lasthenia californica subsp. californica Robert Ornduff 1958-4-20 4912 Tehama 7.4 mi w of Paynes Creek; Highway 36 304 Comment
  CHSC40571  Lasthenia fremontii Pauleen Broyles 1982-4-20 436 b Tehama The Nature Conservancy Vina Plains Preserve. 70 Comment
  RSA424739  Lasthenia fremontii Aaron Liston, M. Blumler 1987-4-24 654 -12 Tehama Hwy 36 between Dales and Paynes Creek; 4-5 miles SW of Dales. Comment
  CHSC65945  Lasthenia glaberrima Vernon H. Oswald; Lowell Ahart 1996-4-23 7426 Tehama Cascade Range Foothills. Hog Lake Plateau. BLM parcel along Hwy. 36 NE of Red Bluff. Located W of Hog Lake. 262 Comment
  JEPS116635  Lasthenia gracilis L. P. Janeway 2009-4-4 9710 Tehama Tehama Wildlife Area Dewitt Peak (along Cottonwood Jeep Trail 1.1 road km northwest of Powerline Road between Shaw Creek and Little Antelope Creek.); Cascade Range Foothills 573 Comment
  JEPS9805  Lasthenia gracilis Virginia Bailey 1938-4-16 Tehama 6 mi w Paskenta Comment
  RSA202275  Lasthenia platycarpha Francia Chisaki 1958-4-1 1112 Tehama 11 miles W of Corning on road from Flournay to Corning. Comment
  CHSC88530  Lathyrus angulatus Jenny Marr; Heidi West, Natalie Wight 1999-4-29 Tehama Vicinity of Red Bank Creek, Dry Creek, and Grizzly Creek. 259 Comment
  CHSC59690  Layia fremontii Thomas J. Hart 1984-3-18 8 Tehama Ca. 50 m e of the intersection of Lee Street and Tehama Vina Road, Los Molinos. 72 Comment
  CHSC64340  Layia fremontii Vernon H. Oswald; Lowell Ahart 1995-3-19 6532 Tehama Cascade Range Foothills. Dales Lake Ecological Reserve. W side of Manton Rd. (A6) ca. 1 mi n of Dales Station on Hwy. 36, ca. 14 mi ne of Red Bluff. Along the e fence ca. halfway between Inks Creek Rd. and the s tip of the reserve. 207 Comment
  UCD18755  Layia fremontii Vernal Pool Team 2001; Carol Witham and Jennifer Buck 2001-4-12 48 Tehama along the Manton Rd. (A6), 2 mi past its intersection with Hwy 36, on a ridge past Dales Lake, Inks Creek site. Comment
  HSC79321  Layia fremontii John L. Heywood, D. H. Norris 1968-3-31 1851 Tehama Hwy. 36, 56 mi. E of Shasta Co. line Comment
  HSC85886  Layia fremontii Bobbi Schnell, Andrea Begnoche, Leonel Arguello 1987-3-27 18 Tehama Rte. 36, 10 mi. E of Red Bluff mi. marker 51 Comment
  UCD133903  Layia fremontii Joseph M. DiTomaso 1976-3-28 372 Tehama 1.5 miles north of Butte County Line on Highway 99. Comment
  JEPS3550  Layia septentrionalis Keith Wagnon 1953-4-26 12551 Tehama about 6 mi w of Paskenta Comment
  UC1543714  Ledum glandulosum Harold and Virginia Bailey 1948-8-28 3061 a Tehama Lassen Volcanic National Park, Sulphur Works Sulphur Works; Lassen Volcanic National Park, Sulphur Works 2133 Comment
  CHSC84585  Leersia oryzoides Lowell Ahart; John Dittes 2003-9-17 10607 Tehama On the south side of a gravel bar on the south side of Deer Creek, about 400 yards east of Highway 99, about 5 miles (air) southeast of Los Molinos. 60 Comment
  JEPS25513  Lemna minuscula W. L. Jepson 1927-9-27 15283 Tehama Manton 853 Comment
  CHSC102650  Lemna minuta Lowell Ahart; John Dittes, Josephine Guardino 2009-8-27 16341 Tehama In a small seep (spring), west side of pond, on the east side of Forest Service Road 29N25A, Childs Meadows, about 2600 ft south of the intersection of Highway 36 (89) and Forest Service Road 29N25A, 2.3 miles (air) northeast of the town of Mill Creek, 9.1 miles (air) south of Lassen Peak. In area between Sec 23 SE1/4 and Sec 24 SW1/4. 1493 Comment
  CHSC40574  Leontodon saxatilis subsp. longirostris Pauleen Broyles 1982-6-4 698 Tehama The Nature Conservancy Vina Plains Preserve. Area adjacent to an irrigation ditch. 60 Comment
  JEPS122126  Leontodon saxatilis subsp. longirostris Lowell Ahart, John Dittes 2014-5-16 19471 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
  CHSC77758  Lepidium latipes var. latipes B. Castro; L. P. Janeway 1999-5-5 923 Tehama About 26 air miles NW of Orland, vicinity of Rocky Ridge and Thomes Creek. Near Round Valley Rd. 268 Comment
  HSC85811  Leptosiphon bicolor Sandy Floyd, Tom Munton, T'ai Roulston 1987-3-28 65 Tehama Hwy. 36, mile marker 47, 5.5 mi. E of Red Bluff 200 Comment
  CHSC44646  Leptosiphon bolanderi J. D. Jokerst 1981-6-24 1696 Tehama Slopes of side canyon just below (= north) the top of the ridge just south of Pine Cr. 441 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
  SD70024  Leptosiphon bolanderi Darley Howe 1968-5-28 4539 Tehama 1.3 miles north of Log Springs Guard Station. 1372 Comment
  UC1873673  Leptosiphon ciliatus Barbara Ertter with Brad Olson 1993-5-15 11721 Tehama Buckhorn Campground at north end of Black Butte Reservoir NW of Orland. Comment
  RSA93379  Leptosiphon latisectus Milo S. Baker 1953-5-10 12616 Tehama Logging road W of Paskentia near 10 mile post Comment
  UCD80636  Leptosiphon montanus CNPS SN Foothill Team 2005-5-15 SNNR 0024 Tehama On private property. 277 Comment
  RSA21510  Leptosiphon montanus C. B. Wolf 1937-5-16 8696 Tehama Northern Siera Nevavda Foothills, Red Bluff - Susanville Road, 3 mi. below Paynes Creek P. O. 274 Comment
  UC1299646  Lesquerella occidentalis subsp. occidentalis Freed W. Hoffman 1950-7-4 3669 Tehama saddle between N. Yolla Bolly and Black Rock (w. Tehama Co.); w. Tehama Co. 2133 Comment
  CHSC67172  Lessingia nana James D. Jokerst 1980-9-22 1255 Tehama Wurlitzer Ranch on Pine Creek,, 1.0 mi E of Meridian Rd. On the W side of the ranch. Comment
  JEPS87027  Lessingia nana Dean W. Taylor 1991-8-13 12270 Tehama ca. 4.5 mi wnw Corning; Henleyville Quad., Sacramento Valley 112 Comment
  CAS-BOT-BC341756  Lessingia nana David D. Keck 1932-7-7 1723 Tehama Red Bluff, at south city limits 95 Comment
  UCD134084  Lessingia nana Ray Evans 1955-9-1 s.n. Tehama Exact location unknown. Comment
  CHSC77542  Lessingia nemaclada Heidi West; Caroline Warren, Jenny Marr 1998-5-14 Tehama Vicinity of uppermost N. Fork Stony Creek. 274 Comment
  CHSC95212  Lessingia nemaclada R. D. Fischer 2005-9-10 786 Tehama Sierra Nevada, along county road 27N08 ca. 3 miles east of Hwy 32, between Butte Meadows turn-off and Potato Patch Campground. 1097 Comment
  RSA201460  Lessingia nemaclada John T. Howell 1960-7-24 35997 Tehama 8 miles west of Mineral. 1220 Comment
  SEINET11810784  Lessingia nemaclada Unknown 1960-1 622 Tehama 0.7 mi N of Paynes Creek on South Lanes Valley Road, NE of Red Bluff Comment
  UC1287423  Lessingia nemaclada Willard Spence 1960-9-7 622 Tehama on South Lanes Valley Road 0.7 mi n Paynes Creek (Paynes Creek is ne of Red Bluff) 563 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
  UC1287455  Lessingia virgata Willard Spence 1962-7-25 727 Tehama along route 36 4 mi n junction of Rt. 99E and 36 (ne of Red Bluff) Comment
  CHSC115850  Leucanthemum vulgare Lowell Ahart; John Dittes 2015-8-6 20498 Tehama West of the pond, around the boulders in the camping area, west side of Childs Meadow, 0.67 air-miles west of intersection of State Highway 36 and Wilson Lake Road (County Road 769), 1.21 air-miles southeast of Doe Mt., 10.41 air-miles south of Lassen Peak. 1498 Comment
  JEPS123927  Leucanthemum vulgare Lowell Ahart, John Dittes 2015-8-6 20498 Tehama West side of Childs Meadow, 0.67 air miles west of intersection of State Highway 36 and Wilson Lake Road (County Road 769), 1.21 air miles southeast of Doe Mt., 10.41 air miles south of Lassen Peak. Comment
  SEINET10846322  Leucanthemum vulgare David B. Dunn 1971-8-15 Dunn 18167 Tehama 1 1/2 mi. W of Lassen Park headquarters. Comment
  UCD21045  Leucanthemum vulgare E. Bortiri 2002-7-17 WFC 81 Tehama Brokenshire Mill Creek, Tehama Co., Lassen NF. Comment
  CAS-BOT-BC436027  Ligusticum grayi Alice Eastwood 1912-8-22 1897 Tehama Lassen Butte Region: Battle Creek meadows Comment
  CHSC68975  Lilium pardalinum subsp. pardalinum Vernon Oswald; Lowell Ahart 1997-7-7 8708 Tehama Forest Route 35 at Slide Creek near the northeast corner of the Yolla Bolly-Middle Eel Wilderness. 1188 Comment
  CHSC23682  Lilium pardalinum subsp. shastense K. Stern 1975-7-24 Tehama Along Hwy. 32. Comment
  CHSC61446  Lilium pardalinum subsp. shastense Vernon H. Oswald; Lowell Ahart 1993-8-11 5790 Tehama N end of Spencer Meadow extending into Lassen Volcanic National Park E of Mt. Conard and S of Twin Meadows. 2023 Comment
  SEINET3991756  Lilium washingtonianum Unknown 1963-7-27 Tehama Along Hwy 36, 5 to 10 miles east of junction with Hwy 89. 1219 Comment
  JEPS22666  Limnanthes alba Rimo Bacigalupi with Drs. Herbert and Lucille Mason 1958-4-23 6301 Tehama along road from Red Bank District to Red Bluff (7 mi sw of Red Bluff); Drainage of Red Bank Creek 131 Comment
  CHSC96611  Limnanthes douglasii subsp. rosea Lowell Ahart; John Dittes, Josephine Guardino 2007-4-3 13607 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
  UCD80437  Limnanthes douglasii subsp. rosea CNPS SN Foothill Team 2005-5-18 SNNR 0078 a Tehama TNC, Dye Creek Preserve, upper fork drainage of Wildcat Gulch. 363 Comment
  CHSC67559  Limnanthes floccosa subsp. floccosa James D. Jokerst 1980-4-13 575 Tehama Wurlitzer Ranch N of Meridian Rd., 0.25 mi N of Bell Ranch. 137 Comment
  JEPS87180  Limnanthes floccosa subsp. floccosa Vernon H. Oswald and Lowell Ahart 1992-4-21 4904 Tehama 7.8 (odometer) mi e Hwy 99 (on Hogsback Rd. (Belle Mill Rd. or Forest Rd. 28N24), ca 10 mi (air) e of Red Bluff) 289 Comment
  UC1586542  Limnanthes floccosa subsp. floccosa Vernon H. Oswald and Lowell Ahart 1991-4-16 4507 Tehama Red Bank Rd 2.8 mi n Colyear Springs Rd. (n of Paskenta) 292 Comment
  UCD80439  Limnanthes floccosa subsp. floccosa CNPS SN Foothill Team 2006-4-4 SNFN 0440 d Tehama Wurlitzer Ranch (private), north of Pine Creek. 289 Comment
  CHSC79770  Limnanthes striata L. Snyder; B. Redfern, A. de Knijf 1999-4-17 44 Tehama Hwy 36 bu Tedoc Gap Road. 540 Comment
  JEPS58258  Linanthus bolanderi W. L. Jepson 1899-4-25 20917 Tehama near Rosewood (Stivers' Ranch, w Tehama County); Crane Creek Comment
  CHSC83389  Linanthus dichotomus L. P. Janeway; Shirley Innecken 2002-3-5 7433 Tehama Inner North Coast Ranges. Vicinity of Williams Butte, Round Valley Road, and Thomes Creek. 335 Comment
  JEPS58405  Linanthus dichotomus Harold Bailey and Virginia Bailey 1938-4-16 Tehama 6 mi w Paskenta (on Paskenta-Covelo road) Comment
  HSC95552  Linanthus dichotomus Todd Bouchier, Kathleen Gifford, Cameron Williams 1999-4-17 19 Tehama Hwy. 36, W facing slope on N side of rd. 439 Comment
  JEPS101683  Linanthus harknessii Dean W. Taylor 1997-7-18 16133 Tehama Ball Rock 1981 Comment
  UC980589  Linanthus harknessii Milo S. Baker and H. K. Wagnon 1953-7-12 12915 Tehama 5-6 mi above Whitlock Camp (along County Road, w Tehama County) 1676 Comment
  CAS-BOT-BC123060  Linanthus nuttallii subsp. howellii T. W. Nelson; J. P. Nelson 1980-6-22 5847 Tehama Yolla Bolly Quad. 1.5 miles N of Tedoc Gap along Forest Service road 45, west side of Mount Tedoc. 1500 Comment
  JEPS58104  Linanthus parviflorus W. L. Jepson 1932-5-9 16334 Tehama Ely 213 Comment
  JEPS77791  Linaria vulgaris T. C. Fuller 1968-9-17 17614 Tehama Mineral, Scenic Avenue, area at s side of the house opposite the w end of the school yard Mineral; , Scenic Avenue Comment
  UCD123909  Linaria vulgaris T. C. Fuller 1968-9-17 17614 Tehama opposite the west end of the school yard, Scenic Ave., Mineral. Comment
  CHSC66210  Lindernia dubia var. anagallidea Vernon H. Oswald 1996-6-3 7716 Tehama Hog Lake Plateau. BLM parcel along Hwy. 36 NE of Red Bluff. Cascade Range Foothills. Along Paynes Creek ca. 0.5 mi downstream from the old bridge site. 100 Comment
  UC1001325  Linum lewisii Louise Kellogg 1952-7-16 64 Tehama on Boswell Ridge directly s of South Yolla Bolly Mountain (near Squaw Camp and Pole Corral, Mendocino National Forest); North Coast Ranges, Mendocino National Forest 2133 Comment
  SEINET4399749  Lithophragma Leila M. Shultz 1990-5-5 11330 Tehama North Coast Ranges; Mendocino Forest 305 Comment
  SEINET10483063  Lithophragma brevilobum Mary Susan Taylor 1975-7-17 Taylor 853 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
  CHSC23391  Lithospermum californicum B. Garamendi 1974-5-10 25 Tehama Mill/Deer Creek Study Area. Ponderosa Way at Round Mountain. Along roadside. 1158 Comment
  UC1601688  Lithospermum californicum C. M. Wilder 1912-6-23 Tehama Deer Creek 762 Comment
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Jul 6 2009
  UCD80058  Logfia filaginoides CNPS SN Foothill Team 2005-5-10 SNFN 0163 c Tehama TNC Dye Creek Preserve, along Dye Creek, about 2 miles (?) southeast of the TNC field station. 113 Comment
  CHSC65910  Logfia gallica Vernon H. Oswald; Lowell Ahart 1996-4-15 7377 .2 Tehama Thomes Creek Ecological Reserve. CDFG parcel on the S side of Gyle Rd. NW of Corning. Northwest side of Sacramento Valley. Stream ca. 0.6 mi E of the lane. 99 Comment
  CHSC82310  Logfia gallica Lowell Ahart 2002-4-27 9543 Tehama About 10 yards northwest of the cattle guard, northwest of where the road is wide and one can park, on the west side of the dirt road that leads to the tower, east of Road M2, about 8 miles west of Paskenta. 609 Comment
  CHSC66063  Lolium multiflorum Vernon H. Oswald; Lowell Ahart 1996-5-6 7511 Tehama Cascade Range Foothills. Hog Lake Plateau. BLM parcel along Hwy. 36 NE of Red Bluff. On the edge of an intermittent stream at this location. 198 Comment
  JEPS88104  Lolium temulentum Vernon H. Oswald and Lowell Ahart 1996-5-6 7512 Tehama BLM parcel along Hwy 36 ne Red Bluff (Cascade Range Foothills); , Hog Lake Plateau 198 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
  CHSC65714  Lomatium caruifolium var. denticulatum Vernon H. Oswald; Lowell Ahart 1996-4-3 7286 Tehama CDFG parcel on the S side of Gyle Rd. NW of Corning. NW side of Sacramento Valley. 103 Comment
  JEPS16100  Lomatium caruifolium var. denticulatum W. L. Jepson 16359 Tehama rubble field n.e. of about 3 mi. in air line Red Bluff 137 Comment
  UC875116  Lomatium caruifolium var. denticulatum A. A. Heller 1916-4-20 12336 Tehama 3 mi. n. Red Bluff Comment
  CHSC42605  Lomatium dasycarpum subsp. dasycarpum Vernon Oswald 1986-5-23 2034 Tehama Round Valley Rd. (M4) 1.2 mi s of the road to Mud Flat. 365 Comment
  RSA592518  Lomatium dasycarpum subsp. tomentosum S. O. Mattoon 1970-4-12 5 Tehama Highway 36, 11.5 miles west of I-5 at Redbluff Coast Range Mountains 305 Comment
  SEINET13944516 Image available Lomatium humile W. A. Weber, Lewis S. Rose 1953-1 8466 Tehama Sandy rolling hills, 2 mi S of Cottonwood, alt. 400 ft 122 Comment
  RSA26163  Lomatium macrocarpum Alice Eastwood, John Thomas Howell 1941-7-9 9824 Tehama Near Government Flat. Comment
  UC1072711  Lomatium macrocarpum Douglas Barbe 1955-7-21 236 Tehama near Harding Spring on the trail to Square Lake W Tehama Co. 2072 Comment
  CDA38462  Lomatium marginatum var. purpureum Vernon H. Oswald & Lowell Ahart 1998-4-27 8959 Tehama Cannon Road 1.1 miles west of its junction with Highway 36 west of Red Bluff. Comment
  JEPS12241  Lomatium utriculatum Virginia Bailey 1938-4-16 Tehama 6 mi. w. Paskenta (along Paskenta-Covelo rd.) Comment
  HSC1744  Lomatium utriculatum Larry Berti 1969-3-22 50 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
  SEINET741790  Lotus M. F. Wojciechowski, K. P. Steele 2000-7-1 955 Tehama South of Lassen Volcanic National Park area, roadside on Wilson Lake Road, ca. 1.5 mi east of junction with CA highway 36 1585 Comment
  CHSC66194  Lotus corniculatus Vernon H. Oswald 1996-6-3 7693 Tehama Hog Lake Plateau. BLM parcel along Hwy. 36 NE of Red Bluff. Cascade Range Foothills. Growing on a gravel bar along Paynes Creek at the old bridge site. 103 Comment
  RSA21507  Lotus denticulatus Carl B. Wolf 1937-5-16 8693 Tehama Northern Sierra Nevada Foothills, Red Bluff - Susanville Road, 4 2/10 mi. below Paynes Creek. 244 Comment
  UC1004194  Lotus humistratus W. A. Weber and Lewis S. Rose 1953-5-23 8467 Tehama 2 mi s Cottonwood 121 Comment
  JEPS112848  Lotus rubriflorus Dean W. Taylor 1993-4-15 13343 Tehama 1 mile WNW of Dales Lake (Manton Road, County Road A6), right of way of Pacific Gas Pipeline, 300 yds N of Section Line 190 Comment
  JEPS76634  Lupinus L. R. Heckard 1972-6-18 2992 Tehama ne side Tedoc Mt.; ne side Tedoc Mt. 1341 Comment
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Jul 22 2009
  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
  CHSC78841  Lupinus albifrons var. albifrons Julie Cunningham; Natalie Wight 1998-5-19 Tehama Vicinity of North Fork Stony Creek and Rocky Ridge. 274 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
  CHSC59728  Lupinus bicolor Thomas J. Hart 1984-3-11 2 Tehama At the intersection of South Center and Tehama Vina roads (w side of Tehama Vina Road). Los Molinos. 72 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
  UC1586609  Lupinus bicolor Vernon H. Oswald and Lowell Ahart 1991-5-9 4573 Tehama located ca. 1.5 mi ne (over the Sacramento River) Bend Bridge (ca. 6.5 mi nne of Red Bluff, on the flood plain of the Sacramento River at Perry Riffle); Paynes Creek Recreation Area Comment
  SFV1889  Lupinus latifolius J. M. Tucker 1959-7-19 3575 Tehama North Coast Ranges Above Square Lake, upper side of South Yolla Bolly Mountain. 2119 Comment
  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
  UC1299683  Lupinus lepidus var. sellulus Freed W. Hoffman 1950-7-4 3668 Tehama saddle between North Yolla Bolly and Black Rock; North Coast Ranges, betw North Yolla Bolly and Black Rock 2133 Comment
  JEPS106176  Lupinus microcarpus var. densiflorus Lowell Ahart 2004-6-11 11028 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
  CHSC54101  Lupinus microcarpus var. microcarpus Vernon H. Oswald; Anne-Lise Feenstra 1991-5-22 4606 Tehama Lowrey Rd 1.7 mi south of Colyear Springs Rd, north of Paskenta. 274 Comment
  JEPS65390  Lupinus nanus F. P. Cronemiller before March 1924 490 Tehama Paskenta 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
  NY15960  Lupinus navicularis A. A. Heller 1940-5-1 15572 Tehama On the Cone Ranch eas of Red Bluff, along U. S. Highway #99E. Comment
  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
  CHSC38954  Lupinus obtusilobus J. D. Jokerst 1980-7-11 1110 Tehama North Coast Range. On a north facing slope just below the ridge ca. 1/4 mile east of the summit of South Yolla Bolla (Mt. Linn). 2377 Comment
  RSA121613  Lupinus obtusilobus Douglas Barbe 1955-7-16 200 Tehama On east ridge leading to the summit of South Yolla Bolly (Mt. Linn). 2317 Comment
  RSA261439  Lupinus obtusilobus J. M. Tucker, L. K. Mann, A. O. Tucker 1959-7-19 3553 Tehama Ridge top ca. 1/2 mile east of summit of South Yolla Bolly Mountain. 2287 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
  JEPS105656  Luzula cascadensis L. P. Janeway 2001-6-10 7156 Tehama High North Coast Ranges. Along the ''35'' road 2.4 km southeast of Stuart Gap; about 2.1 km north of North Yolla Bolly. Unmapped meadow/spring 1600 Comment
  CHSC116713  Luzula comosa var. laxa Lowell Ahart; John Dittes 2016-4-29 20803 Tehama About 30 yards south of the fish ladder on Deer Creek, about 0.9 mile (air) northeast of USFS Road 27N08 Bridge over Deer Creek, about 2 miles by trail to Highway 32. 883 Comment
  JEPS127228  Luzula comosa var. laxa Lowell Ahart, John Dittes 2016-4-29 20803 Tehama About 0.9 miles (air) northwest of USFS Road 27N08 Bridge over Deer Creek, about 2 miles by trail to Highway 32. Comment
  JEPS28791  Luzula comosa var. laxa George W. Gillett 1957-8-18 1095 Tehama Brokeoff Mountain. Lower portion of the Brokeoff Trail, about 1/4 mile above the Sulphur Works Checking Station 2103 Comment
  CDA34744  Lycopus americanus L. Ahart, John Dittes 2010-10-4 17282 Tehama Along Toomes Creek, Toomes Creek at Tehama-Vina Road crossing, 1.2 miles (air) east of the Sacramento River, 3.4 miles (air) southeast of Los Molinos (High School), 3 miles (air) northwest of Vina. Comment
  JEPS117387  Lycopus americanus Lowell Ahart, John Dittes 2010-10-4 17282 Tehama Along Toomes Creek, Toomes Creek at Tehama-Vina Road crossing, 1.2 miles (air) east of the Sacramento River, 3.4 miles (air) southeast of Los Molinos (High School), 3.0 miles (air) northwest of Vina 57 Comment
  SEINET12194974  Lythrum hyssopifolia Unknown 1982-1 666 Tehama The Nature Conservancy Vina Plains preserve 66 Comment
  JEPS94963  Madia elegans Vernon Oswald and Lowell Ahart 1997-7-7 8677 Tehama near the ne corner of Yolla Bolly Middle Eel Wilderness (near the Lookout on Tomhead Mountain); Tomhead Mountain 2057 Comment
  CHSC77738  Madia exigua B. Castro; L. Janeway 1999-5-18 937 Tehama About 17 air miles SW of Red Bluff, vicinity of Sunflower Gulch, in old roadbed near Red Bank Creek. 298 Comment
  CHSC80603  Madia exigua Lowell Ahart 2001-6-14 8829 Tehama On the west side of the dirt road that leads to the tower, on the east side of road M2, about 8 miles west of Paskenta. 609 Comment
  UCSB63891  Madia exigua Oswald, Vernon; Ahart, Lowell 1996-5-20 Tehama BLM parcel along Hwy. 36 NE of Red Bluff in Tehama Co.; T28N R2W SW1/4 NE1/4 Sect. 8; Cascade Range Foothills 182 Comment
  RSA92981  Madia exigua Milo S. Baker, H. K. Wagnon 1953-5-9 12608 Tehama Logging road west of Pakenta, near 6 mile post Comment
  CAS-BOT-BC205673  Madia glomerata James R. Shevock; David Isle 1985-6-22 11269 Tehama Northern Coast Ranges. Mendocino National Forest. Along forest road 23N60 between Anthony Peak and Wells Cabin Meadow 1900 Comment
  SEINET10800974  Madia glomerata David B. Dunn 1971-8-15 Dunn 18174 Tehama 1 1/2 mi. W of Lassen Park headquarters. Comment
  CHSC92807  Madia gracilis John Dittes; Josephine Guardino 2005-5-11 1115 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
  UCD134324  Madia gracilis R. Tofsrud 1949-6-1 s.n. Tehama Diamond Range Burn Plot; Highway 36 about 20 miles west of Red Bluff. Comment
  SEINET5339031  Mahonia californica Unknown 1956-4-27 s.n. Tehama 25 miles east of Red Bluff on Calif. highway 36. 610 Comment
  SBBG1058  Maianthemum racemosum H. and M. Dearing 1938-6-25 2129 Tehama W of Mineral Comment
  UC109102  Malacothamnus fremontii T. S. Brandegee 1892-9-20 Tehama yolo Comment
  CHSC40054  Malacothrix floccifera L. Constance; J. L. Morrison 1938-5-1 2184 Tehama Hills 5 miles southwest of Paskenta, Inner North Coast Ranges. 365 Comment
  JEPS36776  Malacothrix floccifera W. L. Jepson 1899-4-25 Tehama 24 mi w Red Bluff (Stiver's Ranch); Rosewood Comment
  RSA91146  Malacothrix floccifera Milo S. Baker 1953-5-10 12648 Tehama Logging road 8 miles west of Paskenta Comment
  RSA92980  Malacothrix floccifera Milo S. Baker, H. K. Wagnon 1953-5-10 12644 Tehama Logging road west of Paskenta in burned area Comment
  CHSC80657  Marrubium vulgare Lowell Ahart 2001-6-14 8833 Tehama Northwest of the dirt road that leads to the tower, on the north side of road M2, about 8 miles west of Paskenta. 609 Comment
  SJSU6096  Marrubium vulgare N. D. Addy & R. L. Macdonald 1962-6-30 Tehama State Route 36 c. 11 mi W of Mineral Comment
  CHSC59169  Matricaria discoidea Vernon H. Oswald 1992-9-9 5198 Tehama Hwy. 89 between Bluff Falls and the south boundary of Lassen Volcanic National Park, 0.5 mi S of the latter. Roadside. 1981 Comment
  OBI55507  Matricaria discoidea David J. Keil, Kathleen Keil 1992-7-25 23594 Tehama Lassen Natl Forest along hwy 89. 0.8 mi S of Lassen Volcanic Natl Park S boundary Comment
  CHSC65701  Meconella californica Vernon H. Oswald 1996-3-15 7227 Tehama Cascade Range Foothills. BLM parcel. Near the top of a N-facing slope of Paynes Creek Canyon, ca. 1.25 mi NNE of the parking lot at Hog Lake Plateau. 198 Comment
  JEPS88285  Medicago arabica Vernon H. Oswald and Lowell Ahart 1996-5-6 7524 Tehama BLM parcel along Hwy. 36 n.e. Red Bluff (flood channel along Paynes Creek); Cascade Range Foothills, Hog Lake Plateau, Paynes Creek 124 Comment
  CHSC77576  Medicago lupulina Heidi West; Natalie Wight 1998-8-21 Tehama Vicinity of Red Bank Creek, Sunflower Gulch, and Dry Creek. 268 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
  CDA4186  Medicago minima Vernon H. Oswald & Lowell Ahart 1998-4-27 8979 Tehama Vestal Road at ATT fiber optics cable post 8/113, 0.1 miles south of Highway 36 between Red Bluff and Platina. Comment
  CHSC107251  Medicago polymorpha Lowell Ahart; John Dittes 2011-6-9 17458 Tehama Rio De Los Molinos Land Grant. On a farm road, about 40 yards northeast of the canal crossing, 1.6 miles (air) east of Highway 99, 2.1 miles (air) northeast of Vina. 76 Comment
  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
  RSA96894  Medicago praecox J. T. Howell 29188 Tehama Dibble Creek, 1.5 miles north of Red Bluff. Comment
  CAS-BOT-BC271127  Melica aristata J. M. Tucker; L. K. Mann 1959-7-18 3539 Tehama South Yolla Bolly Mountain 1920 Comment
  UCR119006  Melica aristata Beecher Crampton 1954-6-16 1984 Tehama Mendocino National Forest., 1 mile north of Hawell Saddle 1921 Comment
  OBI77303  Melica californica Anthony Baniaga 2011-6-12 339 Tehama CDFG: Tehama State Wildlife Area. Near intersection of Plum Crk rd (202) and Old Crk rd (28N94). Inskip Hill quad T28n R1E sec 5 SW of NW 647 Comment
  UCD86426  Melica californica A. A. Beetle 1942-5-19 3300 Tehama 10 miles W of Red Bluff. Comment
  UC818855  Melica frutescens A. A. Heller 1916-4-20 12338 Tehama 3 mi n Redding Comment
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Jul 15 2013
  CHSC68835  Melica geyeri Vernon Oswald; Lowell Ahart 1997-6-10 8554 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
  JEPS95128  Melica geyeri Vernon Oswald and Lowell Ahart 1997-6-10 8554 Tehama between Paskenta and Covelo on M2 (23N69) 0.9 mi w of its junction with M4, between Sugar Spring and Government Flat Campgrounds Covelo; between Paskenta and Covelo on M2 1737 Comment
  UCD80580  Melica harfordii CNPS SN Foothill Team 2005-6-28 SNNR 0505 Tehama USFS Lassen National Forest, north of the South fork Antelope Creek. 829 Comment
  CHSC70924  Melica torreyana Vernon Oswald; Lowell Ahart 1998-4-21 8936 Tehama Inner North Coast Ranges. Nomalaki Trail near Bennett Creek (trailhead on Log Springs Rd. (M4) uphill from Wilder Pond, west of Salt Creek Conservation Camp). 548 Comment
  CHSC45289  Melilotus officinalis Vernon Oswald 1988-5-12 3304 Tehama M2 (23N01) 7.3 mi (odometer) w of Paskenta. 652 Comment
  CHSC66569  Mentha canadensis Vernon H. Oswald; Lowell Ahart 1996-7-8 7980 Tehama Cascade Range Foothills. Hog Lake Plateau. BLM parcel along Hwy. 36 NE of Red Bluff. Growing on the edge of Paynes Creek at the former bridge site at the W end of the gravel road. 97 Comment
  CHSC81275  Mentha canadensis Caroline Warren; Jenny Marr, L. P. Janeway, B. Castro 1999-8-11 Tehama Vicinity of South Fork Cottonwood Creek and Long Gulch. 332 Comment
  CHSC65059  Mentha pulegium Vernon H. Oswald; Lowell Ahart 1995-7-17 7068 Tehama Cascade Range Foothills. Manton Rd. (A6) ca. 1.5 mi N of Dales Station on Hwy. 36, ca. 14 mi NE of Red Bluff. Common in gravel along the margins of the marshy borrow pit on the E side of road. 213 Comment
  JEPS106141  Mentha pulegium Lowell Ahart, Samantha Mackey Hillaire 2004-7-9 11202 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
  CAS-BOT-BC465599  Mentzelia Julie Kierstead Nelson; Aaron Sims 2015-6-19 2015 -068 Tehama 1.5 miles SSW of Tedoc Gap, Beegun Creek watershed, S side of Forest Road 27N12 1760 Comment
  SEINET198099  Mentzelia dispersa Louise Kelloggg 1952-7-18 94 Tehama Near Squaw Camp and Pole Corral aon Boswell Ridge directly south of South Yolla Bolly Mountatin. 2134 Comment
  UCD117229  Mentzelia dispersa Dean W. Taylor 1976-7-9 6053 Tehama at headwaters of Cub Creek. 1859 Comment
  RSA90812  Mentzelia dispersa Milo S. Baker, H. K. Wagnon 1953-7-12 12825 Tehama 1.3 mi. above Whitlock Camp. 1341 Comment
  CAS-BOT-BC429093  Micranthes odontoloma P. A. Munz 1951-7-25 16842 Tehama Square Lake, n. base of South Yolla Bolly Mts. 2148 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
  SEINET7072740  Micropus californicus A. G. Vestal 1963-5-9 s.n. Tehama About 14.6 miles northwest of Chico on Route 99 and about 2 miles southeast of Hoag Slough. UTM Zone 10, 583021mE, 4420093mN. Coordinate datum: NAD 27.) Comment
  UCD18749  Micropus californicus Vernal Pool Team 2001; Carol Witham and Jennifer Buck 2001-4-12 42 Tehama 2.5 mi. east along Lassen Rd. from intersection of Hwy 99, north of Lassen Rd. 2 mi., Foor Ranch site. Comment
  CHSC102368  Micropus californicus var. californicus L. P. Janeway 2009-3-28 9654 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
  CHSC64599  Micropus californicus var. californicus Vernon H. Oswald; Lowell Ahart 1995-4-17 6666 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 w side of the borrow pit. 213 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
  CHSC70864  Microseris douglasii subsp. douglasii Vernon Oswald; Lowell Ahart 1998-4-27 8983 Tehama Vestal Rd. 3.8 mi south of Hwy. 36 between Red Bluff and Platina. 365 Comment
  JEPS35676  Microseris douglasii subsp. douglasii W. L. Jepson 1932-5-9 16342 Tehama 2 mi ne Red Bluff 103 Comment
  CHSC48187  Microseris nutans Vernon Oswald 1987-5-11 2381 Tehama Deer Creek Trail ca. 1.5 mi w of the trailhead on Hwy 32 at the first bridge over Deer Creek ne of Windy Cut. 914 Comment
  JEPS17583  Mimulus Rimo Bacigalupi with G. Thomas Robbins, Keith Wagnon and Douglas Barbe 1955-7-17 5355 Tehama 11.3 mi w Paskenta (along broad lumber-truck road, on ridge between Mill and Digger creeks); Mendocino National Forest 1097 Comment
  UC1585903  Mimulus bicolor Barbara Ertter 1989-5-3 8441 Tehama ca. 20 air mi sw Chester (Deer Creek Rd. (Rt. 32) at milepost 12.00, e side of creek); Deer Creek 975 Comment
  UC725664  Mimulus bicolor A. A. Heller 1937-6-26 15347 Tehama w Deer Creek Meadows; Deer Creek 1371 Comment
  POM253024  Mimulus bicolor A. A. Heller 1937-6-26 15347 Tehama Along Deer Creek, west of Deer Creek Meadows. 1372 Comment
  UC600975  Mimulus breweri Mrs. H. P. Bracelin 1932-7-23 668 Tehama 4 mi n Mineral (Mt. Lassen road) 1676 Comment
  HSC39122  Mimulus breweri Gary S. Lester, Judith G. Dickson 1973-6-30 43 Tehama Yolla Bolly Wilderness Area, Barker Camp at NE boundary 2104 Comment
  RSA67195  Mimulus breweri P. A. Munz 1951-7-25 16868 Tehama 1 mi. e. of Square Lake, South Yolla Bolly Ms. 2134 Comment
  CDA11958  Mimulus douglasii G. F. Hrusa 1989-4-1 5907 Tehama North Coast Ranges; Hwy 36 approx. 1/2 way between Red Bluff and Wildwood. Comment
  UCD167266  Mimulus douglasii John Gibson 2016-3-25 1 Tehama Pettyjohn Rd about one mile east of junction with road to Saddle Camp. About 34 miles west of Red Bluff. From Red Bluff, take Reeds Creek Rd west for 18 miles. Then left onto Pettyjohn Rd. Continue 16 mi.on Pettyjohn Rd to location. Comment
  JEPS101529  Mimulus glaucescens Dean W. Taylor 1997-5-30 16020 Tehama Sand Spring Canyon headwaters (about 10 air miles East of Manton) 960 Comment
  UCD80788  Mimulus glaucescens CNPS SN Foothill Team 2005-6-13 SNFN 0378 d 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
  JEPS104104  Mimulus guttatus Lowell Ahart 2003-8-23 10534 Tehama Along and in a small streamlet, on both sides of the trail, ca 1/4 mi from the campsite as one hikes to Square Lake, ca 1 mi ne of Mount Linn, South Yolla Bolly. 2118 Comment
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Jul 29 2009
  RSA50071  Mimulus guttatus G. R. Campbell 1948-6-17 655 Tehama 2 miles south of Vina. Comment
  SEINET10570349  Mimulus guttatus David B. Dunn, Billy Joe Cox; Melissa Leake 1971-6-10 Dunn 17965 Tehama 14 mi e of mineral on calif hwy 36; at camp in gurnsey national forest; Andrositic flow; abies concolor, pinus ponderosa, p. Flexilis, and pseudotsuga Menziesii. Comment
  SEINET3159664  Mimulus guttatus G. R. Campbell 1948-6-17 655 Tehama 2 miles south of Vina. Comment
  UC1034008  Mimulus guttatus Francis W. Pennell Jul 22 1940-Jul 23 1940 26238 Tehama s Sulphur Works (Route 89, s of Mount Lassen) 1950 Comment
  UC886211  Mimulus guttatus Frank W. Gould 1938-6-6 466 Tehama near Tehama-Plumas county line (on highway 89) 1524 Comment
  UC980577  Mimulus kelloggii Milo S. Baker and H. K. Wagnon 1953-4-26 12549 Tehama w Paskenta (near 5 mi post) 243 Comment
  UCD122755  Mimulus layneae S. E. Schoenig 1998-7-5 98- 74 Tehama NW bank, Hwy 32 1 mi NE of Potato Patch Campground. 1310 Comment
  JEPS102575  Mimulus microphyllus Lowell Ahart 2001-6-8 8791 Tehama On the west side of road M2, about 9 miles west of Paskenta. 792 Comment
  UC1949184  Mimulus moschatus Barbara Ertter with Brad Olson 1991-7-6 10383 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
  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
  UCD80791  Mimulus nasutus CNPS SN Foothill Team 2006-4-4 SNFN 0440 e Tehama Wurlitzer Ranch (private), north of Pine Creek. 289 Comment
  JEPS66410  Mimulus pilosus L. R. Heckard and P. Rubtzoff 1971-7-31 2670 Tehama just ne Red Bluff (land-locked lagoon just off river); Sacramento River Comment
  UC600974  Mimulus primuloides Mrs. H. P. Bracelin 1932-7-23 666 Tehama 4 mi n Mineral (Mt. Lassen road) 1676 Comment
  UC625477  Mimulus primuloides Frank W. Gould 1938-6-26 467 Tehama just w Plumas Co. line (near highway 89) 1554 Comment
  UC1019545  Mimulus primuloides subsp. primuloides Louise Kellogg 1952-7-15 55 Tehama near Squaw Camp and Pole Corral (directly s of South Yolla Bolly Mountain); North Coast Ranges, Mendocino National Forest, Boswell Ridge 2133 Comment
  UC980579  Mimulus primuloides subsp. primuloides Milo S. Baker and H. K. Wagnon 1953-7-12 12880 Tehama 6.1 mi beyond Whitlock Camp (w Tehama Co.) 1828 Comment
  UC600973  Mimulus torreyi Mrs. H. P. Bracelin 1932-7-23 667 Tehama 4 mi n Mineral (Mt. Lassen road) 1676 Comment
  JEPS10515  Mimulus tricolor W. L. Jepson 1932-5-9 16343 Tehama 2 mi ne Red Bluff 103 Comment
  UC767416  Mimulus tricolor R. F. Hoover 1937-5-19 2260 Tehama near Vina Comment
  CHSC80546  Minuartia cismontana Vernon H. Oswald; Lowell Ahart 2001-5-7 10010 Tehama Forest Road 26N15 4.9 mi west of Hwy 32, between Soda Springs and Cohasset Ridge. 1072 Comment
  CDA15435  Minuartia douglasii G. F. Hrusa, J. Hart 1998-5-1 14432 Tehama Sacramento Valley; Edge of Coyote Creek wash, Coyote Creek Conservation Area ~1/2 mi. W of Paskenta Rd. Comment
  CHSC90429  Minuartia nuttallii subsp. gregaria Niall McCarten 1986-6-16 5448 Tehama Mendocino National Forest--North Coast Ranges. Thomes Creek Watershed. S/25N29, 0.5 mi. due so. of Browns Camp, 1 mi. east of Ides Cove Trailhead. Comment
  UC1609307  Minuartia nuttallii subsp. gregaria Vernon H. Oswald and Lowell Ahart 1993-9-2 5903 Tehama ridge running e from Mt. Linn (ca 20 air mi nw of Paskenta); South Yolla Bolly Mtns. 2407 Comment
  CHSC35542  Minuartia rosei Thomas W. Nelson; Jane P. Nelson 1980-6-22 5784 Tehama Along road to Wells Creek Campground ca. 1 mile southeast of Tedoc Gap. 1310 Comment
  RSA759804  Mitella trifida Barbara Ertter, Brad Olson 1991-7-6 10430 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
  JEPS42872  Mollugo verticillata W. L. Jepson 1927-6-25 12345 Tehama Pine Creek Road Station, Pine Creek Pine Creek 60 Comment
  JEPS126578  Monardella breweri subsp. lanceolata Lowell Ahart, John Dittes 2016-6-22 21027 Tehama About 1/2 mile southwest of the fish ladder on Deer Creek, about 0.6 mile (air) northeast of USFS Road 27N08 Bridge over Deer Creek, about 2 1/2 miles by trail to Highway 32. Comment
  CAS-BOT-BC215505  Monardella odoratissima P. A. Munz 1951-7-25 16884 Tehama 1/3 mi. e. of Square Lake, South Yolla Bolly Mountain 2133 Comment
  CAS-BOT-BC215506  Monardella odoratissima Mrs. H. C. Cantelow 1938-7-5 s.n. Tehama On Deer Creek Road, s.w. of Chester , and 5.3 miles s.w. of junction of Highway 32 with Highway 89 1280 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
  UCD125223  Monardella odoratissima subsp. pallida John Thomas Howell 1960-8-19 36200 Tehama Brokeoff Mountain, summit ridge. 2804 Comment
  UC1245146  Monardella odoratissima subsp. pallida J. M. Tucker and L. K. Mann 1959-7-19 3549 Tehama 75 feet below summit, South Yolla Bolly Mountain 2443 Comment
  RSA123697  Monardella odoratissima subsp. pinetorum G. D. Barbe 1955-7-16 164 Tehama Oven Lid, West of Paskenta, Mendocino Natl. Forest 1921 Comment
  CHSC82107  Monardella sheltonii L. P. Janeway 2001-7-29 7400 Tehama High Cascade Range. 5.1 km southeast of Turner Mountain, along Road 29N48; top of slope into inner canyon of Mill Creek above 'Big Bend. 1756 Comment
  UC2070433  Monardella villosa subsp. subserrata Barbara Ertter with Brad Olson 1991-7-4 10200 Tehama Toomes Camp Road (Mendocino FR 23N01) 7.0 mi W of Paskenta, ca. 23 air miles W of Corning. Comment
  CHSC87846  Monardella villosa subsp. villosa Lowell Ahart 2004-6-11 11018 Tehama Open area, northwest side of the Nomalaki Trail, about 100 yards north of Bowers Creek, about 3/4 mile northwest of Forest Road 23N69 (Mud Flat Road), about 6 1/2 miles (air) southwest of Paskenta. 553 Comment
  JEPS101610  Monardella villosa subsp. villosa Dean W. Taylor 1997-6-13 16073 Tehama Toomes Camp Road (Forest Road M2) about 7 road miles West from Paskenta, in vicinity of Beehive Flat 685 Comment
  UC2035925  Monardella villosa subsp. villosa Robert F. Hoover 1938-6-10 3593 Tehama North of Jelley's Ferry Comment
  JEPS35221  Monolopia major Blankinship 1911-4-7 Tehama Corning Comment
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Feb 9 2019
  CHSC60389  Montia chamissoi Mary Ann Showers 1992-6-27 2648 Tehama Lassen Volcanic National Park. Pond below Windy Point, west of Mill Creek. 1950 Comment
  JEPS97473  Montia fontana Vernon H. Oswald and L. Ahart 1995-2-22 6495 Tehama Dales Lake Ecological Reserve. T29N R2W SW1/4 SW1/4 Sec. 26, 700 ft, Cascade Range Foothills, stony Tuscan Loam over hardpan. W side of Manton Rd. (A6) ca. 1 mi n of Dales Station on Hwy. 36, ca. 14 mi ne of Red Bluff 213 Comment
  UC1023444  Montia fontana Milo S. Baker and H. K. Wagnon 1953-7-12 12878 Tehama 6.1 mi beyond Whitlock Camp (West Tehama County) 1828 Comment
  CHSC57824  Montia linearis Vernon H. Oswald; Lowell Ahart 1992-5-6 4937 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. 1484 Comment
  JEPS75060  Muhlenbergia filiformis W. L. Jepson 1929-9-28 15300 Tehama near Manzanita Lake; Lassen Peak 1828 Comment
  UC1949278  Muhlenbergia filiformis Barbara Ertter with Brad Olson 1991-7-6 10415 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
  UCD86585  Muhlenbergia filiformis Milo S. Baker 1940-8-14 9814 Tehama At trail to Cherry Lake north of Government Flat near the Mendocino County Line. Comment
  OBI22032  Muhlenbergia rigens J. M. Crawford 1956-9-15 1 Tehama Soil Vegetation Survey Project. Calif Forest and Range Experiment Station. T26N R6W sec 18 in Grizzley Crk, Quad 31 D-4 305 Comment
  JEPS105648  Myosurus minimus L. P. Janeway 2001-6-10 7147 Tehama High North Coast Ranges. Along Road 28N36 1.1 km west-southwest of Tedoc Gap; along a minor tributary of South Fork Beegum Creek 1340 Comment
  RSA700502  Myosurus minimus L. P. Janeway 2001-6-10 7147 Tehama High N Coast Ranges along road 28N36 1.1 km WSW of Tedoc Gap, along a minor tributary of S Fork Beegum Creek. 1340 Comment
  CHSC41113  Myosurus minimus subsp. minimus Pauleen Broyles 1983-4-14 887 Tehama The Nature Conservancy Vina Plains Preserve. 62 Comment
  CHSC117640  Myriophyllum aquaticum Lowell Ahart; John Dittes 2016-8-25 21316 Tehama In a small pond, southeast of the parking area, along a dirt road, about 200 yards west of the Sacramento River, Anderson River Park, 0.7 mile (air) upstream from Sillwater Creek Confluence, 1.8 miles (air) northeast of Balls Ferry Road exit from Interstate 5 in Anderson. Undesignated section of San Buenaventura Land Grant. 117 Comment
  JEPS85648  Najas gracillima L. R. Heckard and P. Rubtzoff 1971-7-31 2684 Tehama just ne of Red Bluff (Sacramento River); Sacramento River Comment
  CHSC101598  Nassella cernua David W. Isle; Rhonda Isle 2002-4-19 1685 Tehama Approximately 3 miles north of junction of Black Butte Road (from Black Butte Reservoir west of Orland to Paskenta Road west of Corning). North of Black Butte Road along the E-W stretch lath parallels the eucalyptus grove adjacent and south of B.B. Road. Comment
  UCD87399  Nassella cernua A. A. Beetle 1944-5-22 3013 Tehama Between Button Canyon and Diamond Range, road from Red Bluff to Beegum. Comment
  UC1543863  Navarretia capillaris Harold and Virginia Bailey 1948-8-28 3069 a Tehama near Sulphur Creek Campground (in meadow below Ski Hut, Lassen Volcanic National Park); Lassen Volcanic National Park, nr Sulphur Creek Campgrnd 2011 Comment
  CAS-BOT-BC230304  Navarretia heterandra B. Crampton 1953-4-29 1171 Tehama 5 miles S of Dales Comment
  CHSC80047  Navarretia heterandra B. Castro; L. P. Janeway 2000-5-9 1143 Tehama Vicinity of Orland, Black Butte Lake, Rice and Brannin Creeks. 121 Comment
  RSA642461  Navarretia heterandra Stan C. Spencer 1995-5-18 55 i-08 Tehama From Orland N 2.5 miles on Hwy 5 then 0.5 mile on Road 7, then 0.7 mile on Road H, then 0.5 mile on Road 3, then N 1.94 mile on Road HH (9 ref. post N of dirt road), W on Road 10 10 miles. Comment
  SD71269  Navarretia heterandra John Thomas Howell 1955-6-12 30305 Tehama Rolling plains, 8.5 miles south of Corning. Comment
  UCD48446  Navarretia heterandra John Thomas Howell 1955-6-12 30305 Tehama Rolling Plains, 8.5 miles south of Corning, Tehama Co. Comment
  LA88477  Navarretia intertexta O. H. Kappler; 1949-7-27 2026 Tehama Lassen National Park, Bluff Falls Camp 1950 Comment
  CHSC64718  Navarretia intertexta subsp. intertexta Vernon H. Oswald 1995-5-22 6742 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. Near the west fence at the south tip of the reserve. 207 Comment
  JEPS104041  Navarretia intertexta subsp. intertexta Lowell Ahart 2003-6-11 10250 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
  JEPS108737  Navarretia intertexta subsp. intertexta Lowell Ahart 2006-7-19 13017 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
  JEPS124044  Navarretia intertexta subsp. intertexta Lowell Ahart, John Dittes 2015-8-5 20450 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
  CHSC44220  Navarretia leptalea Vernon Oswald 1988-6-27 3532 Tehama Trail between Ides Cove Trailhead and 25N16 along the e side of the Yolla Bolly-Middle Eel Wilderness w of Paskenta. On the edge of a meadow. 2133 Comment
  JEPS16184  Navarretia leucocephala Rimo Bacigalupi and Arthur Holmgren 1950-4-24 3133 Tehama 8 mi ne Flourney (along Paskenta Raod, w Tehama County) Comment
  JEPS22650  Navarretia leucocephala Rimo Bacigalupi with Drs. Herbert and Lucille Mason Apr 22 1958-Apr 23 1958 6286 Tehama about 2 mi w Kirkwood (and about 0.5 mi w of U.S. Highway 99, about 7 mi s of Corning, in lower portions of the Kirkwood plains) 73 Comment
  CHSC78885  Navarretia leucocephala subsp. leucocephala Julie Cunningham; Heidi West, Caroline Warren 1998-7-14 Tehama Vicinity of North Fork Stony Creek and Newville. 195 Comment
  RSA642572  Navarretia leucocephala subsp. leucocephala Stan C. Spencer 1995-5-18 55 i04 Tehama From Orland N 2.5 miles on Hwy 5 then 0.5 mile on Road 7, then 0.7 mile on Road H, then 0.5 mile on Road 3, then N 1.94 mile on Road HH (9 ref. post N of dirt road), W on Road 10 10 miles. Comment
  UC1299532  Navarretia linearifolia subsp. pinnatisecta Freed W. Hoffman 1950-6-30 3698 Tehama 10.7 mi w Paskenta; w of Paskenta Comment
  JEPS102887  Navarretia mellita Lowell Ahart 2001-6-14 8827 Tehama On the W side of the dirt road that leads to the tower, on the E side of road M2, ca 8 miles W of Paskenta. 609 Comment
  CHSC118051  Navarretia pubescens Daphne K. Christopher; Lowell Ahart, John Dittes, Hannah Stevens. 2003-4-17 192 Tehama Dye Creek Nature Conservancy Preserve. Antelope Creek trail . 767 Comment
  CHSC66495  Navarretia pubescens Vernon H. Oswald; Lowell Ahart 1996-5-20 7595 Tehama Cascade Range Foothills. Hog Lake Plateau. BLM parcel along Hwy. 36 NE of Red Bluff. On slopes above Paynes Creek. 164 Comment
  CHSC7091  Navarretia pubescens E. L. Williams 1969-4-26 19 Tehama 100 ft. s of I.W. Williams' barn next to Harry Baker's fence on Evergreen Rd. off Bowman Rd. 137 Comment
  JEPS19791  Navarretia pubescens Rimo Bacigalupi with S. Galen Smith 1957-6-24 5927 Tehama 8.1 mi s Corning (along U.S. Highway 99-W) 83 Comment
  UC1606318  Navarretia pubescens Barbara Ertter, Brad Olson 1993-5-15 11742 Tehama ca 5 air mi sw Paskenta (Round Valley Road (M-4), 2.6 mi w of Newville Road jct near Mud Flat, sw Tehama Co.) 304 Comment
  CAS-BOT-BC232755  Navarretia sinistra subsp. pinnatisecta Alice Eastwood; John Thomas Howell 1941-7-9 9813 Tehama Government Flat Comment
  JEPS14734  Navarretia subuligera W. L. Jepson 1932-5-9 16347 Tehama rubble field ne Red Bluff 137 Comment
  CHSC80052  Navarretia tagetina L. P. Janeway; B. Castro 2000-5-9 6710 Tehama Vicinity of Rice Creek and Brannin Creek, west of Hwy I-5. 126 Comment
  SEINET3860240  Navarretia tagetina Leigh A. Johnson 2004-5-14 04 -060 Tehama East of Flournoy ca 2.6 miles (2.45 miles east of Corning Rd, and 0.1 miles past Boggs Champlin Rd) on Paskenta Rd. In a fenced property with grasses and oak trees (big oak tied to fence) on south side of road. By corner gate, especially under three east most trees within 25 meters of fence.; 0 160 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
  JEPS104468  Navarretia viscidula Lowell Ahart 2003-6-11 10252 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
  JEPS13025  Nemacladus montanus Rimo Bacigalupi with G. T. Robbins, Keith Wagnon and Douglas Barbe 1955-7-17 5354 Tehama 11.3 mi nw (by road) Paskenta 1097 Comment
  CHSC101249  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. North-facing slope 35 m above the creek. 468 Comment
  HSC90404  Nemophila heterophylla Joe Doyle, Gayle Honeycutt, Ethan Freid 1992-3-27 24 Tehama Tedock Gap Road, 2.3 mi. from the Tehama/Shasta County border, from turn off on 36 and up about .4 mi. 671 Comment
  RSA537457  Nemophila heterophylla Barbara Ertter 1989-5-3 8440 Tehama Deer Creek Road (Rt 32) at milepost 12.00, E side of Deek Creek 20 airmiles SW of Chester. 976 Comment
  RSA75805  Nemophila heterophylla Lincoln Constance, J. L. Morrison 1938-5-1 2185 Tehama Overgrazed hills 5 miles southwest of Paskenta, Inner North Coast Ranges. 366 Comment
  CAS-BOT-BC219389  Nemophila parviflora D. Haskamp; E. Sonnenblick; M. Taft 1995-4-22 34 Tehama On Hwy 36 at the intersection with Beegum Creek Comment
  RSA756843  Nemophila parviflora var. austiniae Barbara Ertter, Brad Olson 1991-7-4 10226 Tehama Toomes Camp Road (Mendocino FR 23N01) 13.5 miles west of Paskenta, Mill Creek crossing 0.9 miles west of Elder Cr/Riley Ride junction, about 27 air miles west of Corning. 1311 Comment
  CHSC64394  Nemophila pedunculata Vernon H. Oswald; Lowell Ahart 1995-3-6 6511 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. Locally abundant along the intermittent streamlet coming from the borrow pit, just e (upstream) of a pile of powerline insulators. 207 Comment
  JEPS1921  Nemophila pedunculata L. Constance, J. L. Morrison 1938-5-1 2183 Tehama low hills at Paskenta , Paskenta (Inner North Coast Ranges) 304 Comment
  RSA93060  Nemophila pedunculata Milo S. Baker, H. K. Wagnon 1954-7-11 13019 Tehama 6.1 mi above Whitlock Camp. East of county road. 1829 Comment
  UC766873  Nicotiana quadrivalvis R. F. Hoover 1938-8-2 3726 Tehama 6 mi e Newville Comment
  CHSC40846  Odontostomum hartwegii Pauleen Broyles 1982-5-4 526 Tehama Near Lassen Road. The Nature Conservancy Vina Plains Preserve. 66 Comment
  RSA125980  Odontostomum hartwegii E. K. Balls 1957-5-24 22537 Tehama 13.7 miles northwest of junction State Highway 36 and US Highway 99. 274 Comment
  CHSC29841  Orcuttia pilosa K. R. Stern 1980-6-16 6662 Tehama Vernal pool, 0.7 mi. E of Hwy. 99, just S of Lassen Rd.; 15 mi. N of Chico. 60 Comment
  CHSC52885  Orcuttia pilosa R. D. Stone; R. E. Buck 1987-8-3 829 Tehama Central Valley. Vina Plains, 0.2 miles N of the Tehama-Butte county line and 1.9 miles SSW of the intersection of Highway 99 and Rowles Road. Vernal pool. 57 Comment
  CHSC52890  Orcuttia pilosa R. D. Stone 1986-7-19 766 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. 64 Comment
  JEPS74751  Orcuttia pilosa F. T. Griggs 1974-8-12 145 Tehama 1/4 mi e Hwy 99E (200 m s of Lassen Road, 16 mi n of Chico) Comment
  CAS-BOT-BC242655  Orcuttia tenuis Beecher Crampton 1958-8-12 5072 Tehama 10.8 miles northeast of Red Bluff, 7.8 miles northeast of junction of State Highway 36 with U.S. Highway 99E, 4 miles southwest of Dales, Hog Lake Comment
  CAS-BOT-BC254345  Orcuttia tenuis R. F. Hoover 1939-5-11 4097 Tehama Plateau NE of Red Bluffs Comment
  CAS-BOT-BC254346  Orcuttia tenuis R. F. Hoover 1939-5-11 4097 Tehama Plateau NE of Red Bluffs Comment
  CHSC45758  Orcuttia tenuis R. D. Stone; R. E. Buck 1987-8-9 840 Tehama Central Valley. Ca. 7 miles NNE of Red Bluff and 1 mile NE of Bend, 0.1 miles SW of Reservoir 368. Vernal pool. 112 Comment
  CHSC52905  Orcuttia tenuis R. D. Stone 1986-7-22 776 Tehama Central Valley. About 20 miles NE of Red Bluff and 1.0 miles SW of the Manton Road (County Rd. A-6) crossing of Spring Branch creek. Vernal pool. 312 Comment
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Jul 28 2009
  JEPS74754  Orcuttia tenuis F. T. Griggs 1974-6-19 136 Tehama Hwy 36 1.4 mi n Dales (on road to Manton) Comment
  JEPS84123  Orcuttia tenuis R. D. Stone 1986-7-23 784 Tehama 3.6 mi nw Dales Lake (about 15 mi ne of Red Bluff); Central Valley, Inks Creek Ranch, Reservoir 466' Comment
  JEPS84135  Orcuttia tenuis R. D. Stone 1986-7-22 775 Tehama about 20 mi ne Red Bluff (1.25 mi sw of Manto Road (County Road A-6) crossing of Spring branch Creek); Central Valley 312 Comment
  JEPS84155  Orcuttia tenuis R. D. Stone and R. E. Buck 1987-8-10 841 Tehama e side of Manton Road (County Road A-6) 2.9 mi ne Dales (ca 15 mi ne of Red Bluff); Central Valley 231 Comment
  OBI77691  Orcuttia tenuis Robert F. Hoover 1939-1 Tehama Comment
  RSA256273  Orcuttia tenuis J. R. Reeder, C. G. Reeder 1973-7-1 6242 Tehama About 4 miles SW of Dales, 11 miles NE of Red Bluffs 244 Comment
  SBBG115642  Orcuttia tenuis B. Crampton 1958-8-12 5072 Tehama ca. 10.8 mi NE of Red Bluff, ca. 7.8 mi NE of jct of St Hwy 36 with US Hwy 99E, ca. 4 mi SW of Dales, Hog Lake Comment
  SEINET259109  Orcuttia tenuis R. D. Stone, R. E. Buck 1987-1 Tehama Comment
  UC1115512  Orcuttia tenuis Beecher Crampton 1958-8-12 5072 Tehama State Hwy 36 10.8 mi ne Red Bluff; Hog Lake Comment
  UCD37261  Orcuttia tenuis Beecher Crampton 1958-8-12 5072 Tehama Tehama County, 10.8 miles northeast of Red Bluff, 7.8 miles northeast of junction of State Highway 36 with U.S. Highway 99E, 4 miles southwest of Dales, Hog Lake. Comment
  UCR71594  Orcuttia tenuis R. D. Stone 1986-7-23 783 Tehama ABout 15 miles NE of Red Bluff and 2.6 miles NW of Dales Lake on Inks Creek Ranch 137 Comment
  SEINET10894253  Orcuttia tenuis Stone 1986-1 Tehama Comment
  JEPS117395  Orobanche californica subsp. grayana Lowell Ahart, John Dittes 2010-10-4 17278 Tehama Northwest meadow area of the dry pond, Childs Meadows, 1.2 miles (air) southeast of the intersection of Highway 36 and USFS Road 24N25, 1.93 miles (air) northeast of the town of Millcreek, 2.9 miles (air) west of Wilson Lake 1475 Comment
  CHSC84671  Orobanche fasciculata Samantha Mackey Hillaire; Brian Elliott 2003-5-31 340 Tehama Lassen National Forest, Ishi Wilderness. Rancheria Creek Trail, on a S-facing slope. Along the trail. 902 Comment
  SEINET516283  Orobanche fasciculata Vernon H. Oswald 1997-5-14 8460 Tehama Between Mill and Deer creeks on Ponderosa Way (Forest Rd. 28N29) S of Moak Trailhead. 1067 Comment
  CAS-BOT-BC500237  Orobanche pinorum Clare B. Hardham 1971-8-10 18323 Tehama South Yolla Bolly Mountain Comment
  CHSC95176  Orthocarpus cuspidatus subsp. cryptanthus R. D. Fischer 2005-8-21 814 Tehama Cascade Range high, Lassen National Volcanic Park. Plant found along trail to Mill Creek Falls, out of lower campground. 1950 Comment
  RSA714825  Orthocarpus erianthus Daisie Huang 2006-4-15 6041508 Tehama Manton Rd. 204 Comment
  RSA508722  Orthocarpus erianthus Barry Burnell 1972-4-1 434 Tehama Intersection of Jolly Ferry Road. Central Valley drainage area. 107 Comment
  SEINET10549671  Orthocarpus erianthus Mary Susan Taylor 1975-4-18 Taylor 487 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
  SEINET10549697  Orthocarpus lithospermoides Mary Susan Taylor 1980-4-12 Taylor 2464 Tehama T24N R1E sw sec 28 Richardson Springs quad; on Howard Wurlitzer Ranch, N side of Zimmershed Creek, on dry bluffs bordering the creek, ca. 2 air mi E of Meridian Road, ca. 11 mi N of Chico. With L. Ahart & J.D. Jokerst. 122 Comment
  JEPS110310  Osmorhiza chilensis Lowell Ahart 2006-7-19 13045 Tehama Forest along the west side of the abandoned logging road, about 170 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
  CHSC69653  Oxypolis occidentalis Vernon Oswald; Lowell Ahart 1997-9-9 8863 Tehama Forest Rd. 26N19 at Cascade Creek, northwest of Chico Mdws., 1.1 mi southeast of Hwy. 32. 1219 Comment
  UC1004618  Oxypolis occidentalis L. Constance 1955-8-20 3618 Tehama above Deer Creek Falls Comment
  CHSC64955  Packera greenei Vernon H. Oswald; Lowell Ahart 1995-7-12 7028 .1 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
  CHSC49536  Panicum acuminatum var. acuminatum Vernon Oswald 1986-8-20 2284 Tehama Sulphur Works, Lassen Volcanic National Park. 2121 Comment
  CHSC41059  Panicum dichotomiflorum subsp. dichotomiflorum Pauleen Broyles 1982-6-24 832 Tehama The Nature Conservancy Vina Plains Preserve. Bank of irrigation ditch ca 45 m south of Lassen Road. 70 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
  SBBG25903  Parnassia californica D. Myrick 1966-8-6 1456 Tehama South Yolla Bolly Mtn 2133 Comment
  CHSC95157  Parnassia palustris R. D. Fischer 2005-8-21 843 Tehama Lassen National Volcanic Park. Cascade Range High in Lassen National Volcanic Park. Specimen found along Mill Creek Trail, at creek, and upstream of falls. 1981 Comment
  CHSC107359  Paronychia ahartii Lowell Ahart; John Dittes 2011-6-9 17442 Tehama Rio De Los Molinos Land Grant. On a sand dune, 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
  NY342566  Paronychia ahartii J. T. Howell 1955-6-12 30307 Tehama 8.5 miles south of Corning Comment
  RSA518692  Paronychia ahartii Rimo C. Bacigalupi, Herbert, Mason 1958-4-22 6290 Tehama Lower portions of the Kirkwood plains, about 2 miles west of Kirkwood and about 1/2 mile west of Hwy 99, about 7 miles south of Corning; 73 Comment
  SD131826  Paronychia ahartii Rimo Bacigalupi, Drs. Herbert & Lucille Mason 22-23 Apr 1958 6290 Tehama Lower portions of the Kirkwood plains, ca. 2.0 miles west of Kirkwood and about 0.5 mile west of U. S. Highway 99. 79 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
  SEINET7073570  Parvisedum pumilum A. G. Vestal 1955-5-19 s.n. Tehama Lava bed about 6.2 miles west-southwest of Manton. UTM Zone 10, 587781mE, 4473255mN. Coordinate datum: NAD27. Comment
  JEPS68212  Pectocarya penicillata Virginia Bailey 1938-4-16 Tehama 6 mi w Paskenta; Paskenta Covelo Road Comment
  CHSC102234  Pectocarya pusilla L. P. Janeway; B. Castro 2009-4-25 9736 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
  CHSC77751  Pectocarya pusilla B. Castro; H. West 1999-4-7 872 Tehama About 17 air miles SW of Red Bluff, vicinity of Long Hollow, on SE-facing slope just downslope from Blue oak woodland. 256 Comment
  UC1950188  Pectocarya pusilla Barbara Ertter 1991-5-18 9848 Tehama Rosewood Ranch on Salt Creek ca 17 airmiles WNW of Red Bluff, ca 1/2 mi S of Hwy 36; steep N-facing slope Comment
  RSA518870  Pedicularis aurantiaca Barbara J. Ertter 1989-5-3 8435 Tehama Deer Creek Rd (Rt 32) at milepost 12.00, E side Deer Creek ca 20 airmiles SW of Chester. 976 Comment
  SJSU5828  Pedicularis densiflora D. L. Wilson 1970-4-18 Tehama Little Giant Mill Rd 1 mi SE of its junction with Hwy 20 between Paynes Cr & Mineral 1066 Comment
  SEINET10549176  Pedicularis densiflora Mary Susan Taylor 1979-4-22 Taylor 1979 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
  SBBG7102  Pedicularis groenlandica H. and M. Dearing 1939-6-12 3643 Tehama near stream, S of Lassen Volcanic Nat Park 1524 Comment
  HSC1767  Pellaea andromedifolia Larry Berti 1969-3-22 63 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
  RSA90600  Pellaea mucronata Milo S. Baker 1953-5-10 12637 Tehama Above the logging road, west of Paskenta, between 6 and 7 mile posts Comment
  CHSC116669  Pellaea mucronata var. californica Lowell Ahart; John Dittes, Josephine Guardino 2016-2-11 20701 Tehama On both sides of Deer Creek Trail, about 150 yards north of thee fish ladder on Deer Creek, about 2 miles by trail to Highway 32. 883 Comment
  HSC96920  Pellaea mucronata var. californica L. Ahart 2004-4-29 10811 Tehama Along the Nomalaki Trail, about 3/4 mi. by trail NW of Dead Rabbit Lake about 1 1/2 mi. NW of Bowers Cr. about 2 1/4 mi. NW of 23N69 about 8 mi. SW of Paskenta 563 Comment
  JEPS127251  Pellaea mucronata var. mucronata Lowell Ahart, John Dittes, Josephine Guardino 2016-2-11 20701 -B Tehama About 2 miles by trail to Highway 32. Comment
  JEPS94587  Penstemon anguineus Vernon H. Oswald and Lowell Ahart 1997-7-7 8710 Tehama Jones Camp Creek Yolla Bolly-Middle Eel Wilderness (at Forest Route 35, n side of Wilderness, e of Rat Trap Gap) 1524 Comment
  UC2027782  Penstemon anguineus Barbara Ertter 1991-9-2 10774 Tehama SW Tehama Co. Round Valley Paskenta Road (Route M4) 2.3 mi E of M2 junction at Government Flat, ca 19 air miles W of Paskenta Comment
  HSC81952  Penstemon azureus Thomas W. Nelson, Jane P. Nelson 1979-6-25 4881 Tehama Along road to Mt. Tedoc From Tedoc Gap 1494 Comment
  JEPS76641  Penstemon azureus L. R. Heckard 1972-6-18 2984 Tehama n Mt. Tedoc (along Wells Creek); n of Mt. Tedoc, along Wells Creek 1127 Comment
  CHSC84290  Penstemon azureus var. azureus Lowell Ahart; John Dittes 2003-6-11 10263 Tehama On the south side of Battle Creek, about 1 mile north of Manton Road, about 1 1/2 miles (air) northeast of the Colman Power House, about 5 miles (air) west-southwest of Darah Springs State Fish Hatchery, about 10 miles (air) east-northeast of Cottonwood. 153 Comment
  CHSC80283  Penstemon heterophyllus B. Castro; L. P. Janeway 2000-6-6 1194 Tehama Vicinity of Paskenta and Thomes Creek. 332 Comment
  UCR3574  Penstemon heterophyllus Frank C. Vasek 1964-8-5 640805- 03 Tehama North Coast Range, Stuart Gap 1500 Comment
  UCD124284  Penstemon laetus Dean W. Taylor 1976-7-9 6042 Tehama at headwaters of Cub Creek. 1859 Comment
  CHSC87123  Penstemon laetus var. leptosepalus L. P. Janeway 2001-6-15 7175 Tehama High Cascade Range. Above North Fork Calf Creek, 1.6 km north-northwest of Colby Mountain; between roads 27N12 and 27N06. 1402 Comment
  UC1063501  Penstemon laetus var. leptosepalus A. E. Wieslander 1929-6-20 103 Tehama Campbellville Paynes Creek Quad., Campbellville 1219 Comment
  SBBG28896  Penstemon neotericus D. D. Keck 1930-7-24 960 Tehama 5 mi E of Mineral 1524 Comment
  NY627270  Penstemon neotericus G. W. Gillett 1953-8-16 337 Tehama Near Diamond Peak 2209.8 Comment
  SEINET10898224  Penstemon newberryi Billy Joe Cox, David B. Dunn 1971-6-10 Cox 2841 Tehama 14 mi e of mineral on calif hwy 36; at camp in gurnsey ntl forest, andrositic Flow, abies concolor, pinus ponderosa,pinus flexilis, and pseudotsuga menziesii. Comment
  RSA66672  Penstemon newberryi subsp. berryi Philip A. Munz 1951-7-26 16933 Tehama North slope of South Yolla Bolly Pk. 2348 Comment
  RSA90788  Penstemon purpusii C. F. Baker, H. K. Wagnon 1953-7-11 12843 Tehama 3 mi along County Road above Whitlock Camp. 1524 Comment
  CAS-BOT-BC239432  Penstemon rydbergii var. oreocharis David D. Keck 1930-7-24 961 Tehama Mineral 1525 Comment
  CHSC94378  Penstemon rydbergii var. oreocharis Lowell Ahart 2006-7-19 13026 Tehama 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
  JEPS11465  Penstemon rydbergii var. oreocharis Jos. Grinnell 1925-6-20 Tehama Mineral 1463 Comment
  HSC1756  Pentagramma triangularis Larry Berti 1969-3-19 39 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
  RSA0059034  Pentagramma triangularis Ira L. Wiggins 1968-12-29 21049 Tehama North-facing faces of rocks along Belle Mill Road 5-6 mi E of Highway 99 east of Red Bluff. 152 Comment
  UCSB63898  Pentagramma triangularis subsp. triangularis Oswald, Vernon; Ahart, Lowell 1996-5-20 Tehama BLM parcel along Hwy. 36 NE of Red Bluff in Tehama Co.; T28N R2W SW1/4 NE1/4 Sect. 8; Cascade Range Foothills, Blue Oak Woodland, Tuscan mudflow substrate 182 Comment
  JEPS17519  Perideridia bolanderi subsp. bolanderi Jos. Grinnell 1925-6-23 Tehama Battle Creek Mdws. 1463 Comment
  CHSC42650  Perideridia howellii Vernon Oswald 1985-8-15 1929 Tehama 0.5 mi n of Hwy 36 on Wilson Meadow Rd. paralleling Nanny Creek, 2.5 air mi ne of Mineral. 1584 Comment
  CHSC77520  Perideridia kelloggii Heidi West; Caroline Warren, Jenny Marr 1998-8-27 Tehama Vicinity of Red Bank Creek and Sunflower Gulch. 289 Comment
  HSC17490  Persicaria amphibia Larry Berti 1968-11-22 Tehama Edge of the first pond past the Radar Base, Red Bluff Comment
  CHSC66303  Persicaria maculosa Vernon H. Oswald 1996-6-27 7897 Tehama Thomes Creek Ecological Reserve. CDFG parcel on the S side of Gyle Rd. NW of Corning. Growing in moist gravel on the bed of the creek ca. 0.5 mi E of the W boundary. 100 Comment
  UCD104397  Persicaria maculosa Ellen Dean; M. Starbuck, DHS Madrigals 2010-8-29 6860 Tehama Western edge of Lake Almanor off Hwy 89. 1371 Comment
  JEPS113179  Petrorhagia dubia Lowell Ahart 2007-5-8 13733 Tehama Along flood plain of Dibble Creek, about 100 yards north of Highway 36, about 3.7 miles west of the intersection of Highway 36 and 99 or I-5, about 4 miles (air) northwest of Red Bluff 111 Comment
  JEPS97202  Petrorhagia dubia Vernon H. Oswald 1995-4-3 6579 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
  SEINET12765173  Petrorhagia dubia Barbara Ertter 1990-5-12 8938 Tehama NW side of Dry Fork Creek NW of jct of Hwy 36 and Rt A5 (Bowman Rd) ca 15 air miles WNW of Red Bluff, on Reed property.; 0 183 Comment
  JEPS122062  Phacelia egena Lowell Ahart, John Dittes 2014-5-17 19508 Tehama About 50 yards west of the diversion dam on Mill Creek, about 5 miles (air) northeast of Los Molinos. Comment
  SBBG41201  Phacelia egena J. T. Howell 1943-8-8 Tehama Anthony Pk Comment
  UC1039725  Phacelia egena Douglas Barbe 1955-7-16 191 Tehama Mt. Linn (summit) South Yolla Bolly Mountain (w Tehama Co.) 2439 Comment
  CHSC48468  Phacelia hastata subsp. compacta Vernon Oswald 1986-7-24 2233 Tehama Near the summit of Brokeoff Mountain Trail, Lassen Volcanic National Park. 2773 Comment
  CHSC115519  Phacelia mutabilis Lowell Ahart; John Dittes 2015-8-5 20474 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
  CHSC94330  Phacelia mutabilis Lowell Ahart 2006-7-19 13049 Tehama East side of a large meadow and bog, about 40 yards west of the abandoned logging road, about 250 yards north of where the dirt road crosses Colby Creek, about 2 miles (air) southeast of Colby Mountain, about 5 1/8 miles (air) northeast of Butte Meadows. 1540 Comment
  JEPS13516  Phacelia mutabilis Rimo Bacigalupi with G. T. Robbins, K. Wagnon, and D. Barbe 1955-7-17 5336 Tehama 1.2 mi below and s Ovenlid (3/4 mi e of and above Somerset's Meadow) 1889 Comment
  SEINET11268241  Phacelia mutabilis Lowell Ahart 2001-6-16 8868 Tehama On east 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.; 0 1341 Comment
  CHSC61428  Phacelia racemosa Vernon H. Oswald; Lowell Ahart 1993-8-18 5844 Tehama Lassen Volcanic National Park. E slope of Mt. Conard near the S boundary of the park. Growing on the dry edge of a springy meadow draining into Canyon Creek. 2200 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
  CHSC105996  Phacelia tanacetifolia B. Castro; L. P. Janeway 2000-4-22 1095 Tehama High Cascade Range. Along USFS Rd 28N29/Ponderosa Way 0.5 km northwest of Black Rock; south-facing slope overlooking Mill Creek. At and near mapped spring. 877 Comment
  CHSC68699  Phacelia tanacetifolia Vernon H. Oswald; Lowell Ahart 1997-5-14 8444 Tehama Between Paynes Creek and Cohasset on Ponderosa Way (Forest Rd. 28N29) 17.8 mi south of Plum Creek Rd., 2.6 mi north of the bridge on Mill Creek at Black Rock. 920 Comment
  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
  JEPS100928  Phalaris aquatica Dean W. Taylor 1993-5-5 13447 Tehama 1 mile W of Dales Lake; large vernal pool bordered by Quercus douglasii woodland 228 Comment
  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
  SEINET11689138  Phalaris paradoxa Unknown 1982-1 708 Tehama The Nature Conservancy Vina Plains Preserve 70 Comment
  UC1183422  Phleum alpinum J. M. Tucker 1959-7-19 3563 Tehama ca. 1/2 mi e Ides Cove (rivulet above the road, se side of South Yolla Bolly Mountain); se side South Yolla Bolly Mountain, e of Ides Cove 2103 Comment
  JEPS28766  Phlox diffusa George W. Gillett 1957-8-13 1062 Tehama about 1.75 mi above Sulphur Works Checking Station; Lassen Volcanic National Park, Brokeoff Mountain 2438 Comment
  UC1124164  Phlox diffusa P. L. Johannsen 1936-8-20 988 Tehama 0.25 mi nw Colby Mtn. Lookout; Lassen National Forest, Paynes Creek Quad. 1830 Comment
  UC1001307  Phlox gracilis Louise Kellogg 1952-7-12 32 Tehama South Yolla Bolly Mountains, Middle Eel-Yolla Bolla Primitive North Coast Ranges, Mendocino National Forest 2438 Comment
  CHSC79369  Phyla nodiflora var. nodiflora B. Castro; C. Warren 2000-4-13 1073 Tehama Vicinity of Black Butte Dam and Stoney Creek, on flat terrace at base of rolling grassy hills. 115 Comment
  CHSC105659  Phytolacca americana Lowell Ahart; John Dittes 2010-10-4 17292 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
  JEPS117398  Phytolacca americana Lowell Ahart, John Dittes 2010-10-4 17292 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
  CHSC65923  Pilularia americana Vernon H. Oswald; Lowell Ahart 1996-4-15 7360 Tehama Thomes Creek Ecological Reserve. CDFG parcel on the S side of Gyle Rd. NW of Corning, northwest isde of Sacramento Valley. 103 Comment
  JEPS118099  Pilularia americana Lowell Ahart, John Dittes 2011-6-9 17431 Tehama Rio De Los Molinos Land Grant. Bottom of large vernal pool, sand dune area, about 100 yards south of the fence, 1.6 miles (air) east of Highway 99, 2.4 miles (air) north of Vina 80 Comment
  CAS-BOT-BC78210  Pinus albicaulis John Thomas Howell 1960-8-19 36189 Tehama Summit ridge, Brokoff Mt. 2804 Comment
  RSA123636  Pinus balfouriana G. D. Barbe 1955-7-22 257 Tehama E slope of Harvey Peak. Also in the saddle between Harvey Peak and Mt. Linn (South Yolla Bolly Mtns.). 2378 Comment
  UCD134802  Pinus monticola Lalit M. Srivastava 1957-10-19 8 Tehama Near junction of State Highways 36 and 89. 1828 Comment
  CAS-BOT-BC228041  Plagiobothrys Lewis S. Rose 1934-4-21 34243 Tehama 5 miles S of Cottonwood 106 Comment
  CHSC102336  Plagiobothrys austiniae L. P. Janeway 2009-4-4 9721 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
  CHSC55195  Plagiobothrys austiniae L. P. Janeway 1991-4-11 3881 Tehama Battle Creek Wildlife Area. Tablelands on south side of Battle Creek, ca 1 1/2 mi east of the Sacramento River. Edges of vernal pool. 170 Comment
  CHSC79097  Plagiobothrys austiniae B. Castro; L. P. Janeway 2000-4-5 1051 Tehama Vicinity of Orland; on gravel/cobbled edge of Rice Creek. 109 Comment
  UCD18754  Plagiobothrys austiniae Vernal Pool Team 2001; Carol Witham and Jennifer Buck 2001-4-12 47 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
  SBBG28842  Plagiobothrys bracteatus L. S. Rose 1934-4-21 34243 Tehama 5 mi S of Cottonwood 106 Comment
  JEPS68016  Plagiobothrys canescens W. L. Jepson 1899-4-30 21140 Tehama Red Bluff Comment
  CHSC113336  Plagiobothrys canescens var. canescens Lowell Ahart 2014-5-8 19441 Tehama On the south side of the paved road to Berris Creek, about 0.4 mile east of the intersection with Black Butte Road, about 12 1/2 miles (air) southwest of Corning. 150 Comment
  CHSC67183  Plagiobothrys fulvus James D. Jokerst 1980-4-13 577 Tehama Wurlitzer Ranch ca. 0.25 mi N of Bell Ranch. Comment
  UCD18747  Plagiobothrys fulvus Vernal Pool Team 2001; Carol Witham and Jennifer Buck 2001-4-12 40 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
  UCD80156  Plagiobothrys fulvus var. campestris CNPS SN Foothill Team 2006-4-7 SNFN 0443 Tehama Private Wurlitzer Ranch. 137 Comment
  JEPS90906  Plagiobothrys glyptocarpus var. glyptocarpus Dean W. Taylor 1993-4-28 13367 Tehama North Fork Hall Creek 4 mi upstream (w) from Interstate 5 (Sacramento Valley); , North Fork Hall Creek 137 Comment
  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
  CHSC53999  Plagiobothrys greenei Vernon H. Oswald; Lowell Ahart 1991-5-9 4552 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 upland ca. 1000 ft. southeast of the southeast corner of the large pond at the entrance kiosk. 112 Comment
  CHSC94207  Plagiobothrys hispidulus Lowell Ahart 2006-7-11 12949 Tehama On the high east bank of Colby Creek, about 50 yards north of where the dirt road crosses Colby Creek, about 2 miles (air) southeast of Colby Mountain, about 5 miles (air) northeast of Butte Meadows. 1518 Comment
  CHSC64701  Plagiobothrys leptocladus Vernon H. Oswald; Lowell Ahart 1995-5-9 6718 Tehama Cascade Range Foothills. Dales Lake Ecological Reserve. W side of Manton Rd. (A6) ca. 1.5 mi n of Dales Station on Hwy. 36, ca. 14 mi ne of Red Bluff. Pool 20. 213 Comment
  UCD21096  Plagiobothrys leptocladus Vernal Pool Team 2002; Carol Witham and Jennifer Buck 2002-4-17 272 Tehama Thomes Creek Ecological Reserve. Approximately 6 miles NW of the town of Corning. Located 200 meters N of a intermittent drainage. Pool # THO003. UTMs: 10S0564312; 4427009. Comment
  UCD104423  Plagiobothrys mollis var. mollis Ellen Dean; M. Starbuck, DHS Madrigals 2010-8-29 6869 Tehama Western edge of Lake Almanor off Hwy 89. 1371 Comment
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  CHSC102365  Plagiobothrys nothofulvus L. P. Janeway 2009-3-28 9671 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
  CHSC78624  Plagiobothrys nothofulvus Julie Cunningham; Heidi West, Caroline Warren 1998-4-27 Tehama Vicinity of Red Bank Creek, The Narrows, and Grizzly Creek. 274 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
  JEPS122041  Plagiobothrys nothofulvus Lowell Ahart, John Dittes 2014-5-16 19472 Tehama About 200 yards southeast of the lone oak tree, about 3/4 mile east of the end of Lyon Cattle Road, about 3 miles (air) northeast of Los Molinos. Comment
  JEPS68103  Plagiobothrys nothofulvus Virginia Bailey 1938-4-16 Tehama on Paskenta-Covelo road 6 mi w Paskenta Comment
  SEINET10943275  Plagiobothrys nothofulvus Lowell Ahart 2007-5-8 Ahart 13717 Tehama T27N, R7W, northeast 1/4 Section 12. Normal size plants, on dry bare soil, on both sides of Vestal Road, about 50 yards southeast of a small stream, about 5.3 miles west of the intersection of Cannon Road and Reeds Creek Road, about 21 miles (air) west of red Bluff. Foothill Woodland. Comment
  RSA794947  Plagiobothrys scouleri var. hispidulus L. Ahart, John Dittes, Josephine Guardino 2009-8-27 16310 Tehama E side of Forest Service Road 29N25A, Childs Meadow, about 2600 feet S of the intersection of Highway 36 and Forest Service Road 29N25A, 2.3 air miles NE of the town of Mill Creek, 9.1 air miles S of Lassen Peak. 1494 Comment
  RSA66989  Plagiobothrys scouleri var. hispidulus P. A. Munz 1951-7-25 16875 Tehama 1 mi. e. of Square Lake, South Yolla Bolly Ms. 2134 Comment
  CHSC64512  Plagiobothrys scriptus Vernon H. Oswald; Lowell Ahart 1995-4-3 6573 Tehama Cascade Range Foothills. Dales Lake Ecological Reserve. W side of Manton Rd. (A6) ca. 1.5 mi n of Dales Station on Hwy. 36, ca. 14 mi ne of Red Bluff. Near the w boundary on the service road used to construct the northern cluster of pools, between the pools and the unimproved crossing the reserve just to the south. 207 Comment
  UC1586619  Plagiobothrys scriptus Vernon H. Oswald and Lowell Ahart 1991-5-9 4549 Tehama open are on n side large pond at entrance kiosk (ca 1.5 mi ne of Bend Bridge over the Sacramento River; 6.5 mi nne of Red Bluff); Paynes Creek Recreation Area 112 Comment
  UCSB63938  Plagiobothrys stipitatus Oswald, Vernon; Ahart, Lowell 1996-5-6 Tehama BLM parcel along Hwy. 36 NE of Red Bluff in Tehama Co.; T28N R2W SW1/4 NW1/4 Sect. 17; Cascade Range Foothills 263 Comment
  CHSC84267  Plagiobothrys stipitatus var. micranthus Lowell Ahart; John Dittes 2003-6-11 10239 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
  CHSC87317  Plagiobothrys stipitatus var. micranthus Lowell Ahart 2004-4-29 10798 Tehama On the east 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
  JEPS104060  Plagiobothrys stipitatus var. micranthus Lowell Ahart 2003-6-11 10239 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
  JEPS122047  Plagiobothrys stipitatus var. micranthus Lowell Ahart, John Dittes 2014-5-18 19523 Tehama About 100 yards south of the bridge, about 1 1/2 miles east of the end of Lyon Cattle Road, about 3 1/2 miles (air) northeast of Los Molinos. Comment
  UC1084516  Plagiobothrys stipitatus var. micranthus C. R. Bell 1950-4-24 721 Tehama 8 mi ne Flournoy (w side of highway) Comment
  SBBG119783  Plagiobothrys stipitatus var. micranthus L. Ahart 2004-4-29 10783 Tehama ca. 10 yards W of the Nomalaki Trail, ca. 0.5 mi NW of Bowers Crk, ca. 1.25 mi NW of USFS Rd 23N69 (Mud Flat Rd), ca. 7 air mi SW of Paskenta 571 Comment
  CHSC28991  Plagiobothrys tenellus J. D. Jokerst 1979-4-14 201 Tehama S. edge of canyon N. of Hogsback Rd., 4.2 mi. E. of Hwy. 99. Comment
  JEPS68142  Plagiobothrys tenellus W. L. Jepson 1934-5-5 16632 Tehama Beegum, w Tehama Co. Beegum Comment
  CHSC77754  Plagiobothrys undulatus B. Castro; H. West 1999-6-1 946 Tehama About 21 air miles W of Orland, vicinity of Newville, Salt Creek and N. Fk Stony Creek. In flats near small reservoir. 201 Comment
  JEPS122017  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 side of Kendrick Creek, strand of Black Butte Reservoir, about 12 miles (air) southwest of Corning. Comment
  CHSC41196  Plantago bigelovii Pauleen Broyles 1983-4-14 887 Tehama The Nature Conservancy Vina Plains Preserve. Common in wallows. 62 Comment
  SEINET8754017 Image available Plantago coronopus Richard R. Halse 2015-1 9329 Tehama Corning; along Short Drive just west of its intersection with Edith Ave. 80 Comment
  UC1873665  Plantago elongata Barbara Ertter with Brad Olson 1993-5-15 11818 Tehama Spring Branch Road south of Battle Creek ca 15 air miles NNE of Red Bluff. Comment
  CHSC55231  Plantago erecta L. P. Janeway 1991-4-11 3879 Tehama Battle Creek Wildlife Area. Tablelands on south side of Battle Creek, ca 1 1/2 mi east of the Sacramento River. 170 Comment
  CHSC59772  Plantago erecta Thomas J. Hart 1984-3-11 3 Tehama Ca. 50 m e of the intersection of South and Tehama Vina roads in Los Molinos. 72 Comment
  CHSC60122  Plantago erecta Elisa E. Amen 1988-4-2 34 Tehama Ca 1 mi s Sacramento River, ca 5 mi ne Red Bluff, and 1 mi se Adobe Road. 152 Comment
  HSC1833  Plantago erecta Larry Berti 1969-3-19 28 Tehama N face of Antelope Creek Canyon, 12 mi. E of Red Bluff, from the dam to 3 mi. upstream from the dam. 213 Comment
  SEINET12332649  Plantago erecta Unknown 1983-1 871 Tehama The Nature Conservancy Vina Plains Preserve 65 Comment
  CHSC66882  Plantago major Vernon H. Oswald 1996-9-4 8262 Tehama Hog Lake Plateau. BLM parcel along Hwy. 36 NE of Red Bluff. Cascade Range Foothills. Growing in moist gravel along Paynes Creek ca. 1 mi upstream from the old bridge site. 131 Comment
  SJSU9116  Platanthera dilatata var. leucostachys R. L. MacDonald & N. D. Addy 1962-6-30 Tehama Childs Meadows, Hwy 36, c. 8 mi E of Mineral 1508 Comment
  JEPS110312  Platanthera leucostachys Lowell Ahart 2006-7-19 13043 Tehama South side of a bog, about 50 yards east of the abandoned logging road, about 200 yards northeast of where the dirt road crosses Colby Creek, about 2 miles (air) southeast of Colby Mountain, about 5 1/8 miles (air) northeast of Butte Meadows 1540 Comment
  RSA718210  Platanthera leucostachys Lowell A. Ahart 2006-7-19 13043 Tehama About 50 yards E of the abandoned logging road. About 200 yards NE of where the dirt road crosses Colby Creek. About 2 miles (air) SE of Colby Mtn. About 5 1/8 miles (air) NE of Butte Meadows. 1541 Comment
  RSA66994  Platanthera leucostachys Philip A. Munz 1951-7-25 16881 Tehama 1/3 miles east of Square Lake, south Yolla Bolly Mountains 2134 Comment
  CHSC43800  Platanthera sparsiflora Vernon Oswald 1983-7-26 921 Tehama Calif. Hwy 32, 1.8 mi s-w of its jct. With Calif. Hwy 36. 1402 Comment
  HSC96708  Platystemon californicus Jeff Enor, Heather Nichols, Bryan Wassom 1999-4-17 17 Tehama Beeghum Gorge, Hwy. 36 430 Comment
  JEPS51581  Platystemon californicus W. L. Jepson 1899-4-25 Tehama Salt Creek , tributary of the Cottonwood (tributary of the Cottonwood) Comment
  CHSC70842  Plectritis ciliosa subsp. ciliosa Vernon Oswald 1998-4-8 8900 Tehama Dales Lake Ecological 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. Cascade Range Foothills. Along the abandoned highway near the Jeep road crossong the NE corner of the reserve. 225 Comment
  CHSC55290  Plectritis ciliosa subsp. insignis L. P. Janeway 1991-4-11 3889 Tehama Battle Creek, ca 1 1/2 mi east of the Sacramento River. 167 Comment
  CHSC65708  Plectritis ciliosa subsp. insignis Vernon H. Oswald; Lowell Ahart, Joe Molter 1996-3-25 7268 Tehama Hog Lake Plateau. BLM parcel along Hwy. 36 NE of Red Bluff. Cascade Range Foothills. NE corner of the plateau. On the S side of Paynes Creek. 213 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
  CHSC64378  Plectritis macrocera Vernon H. Oswald; Lowell Ahart 1995-3-19 6537 Tehama Dales Lake Ecological Reserve. Cascade Range Foothills. W side of Manton Rd. (A6) ca. 2 mi n of Dales Station on Hwy. 36, ca. 14 mi ne of Red Bluff. In the ne corner of the reserve, ca. 300 ft w of Manton Rd. 225 Comment
  CAS-BOT-BC453489  Pleuricospora fimbriolata Wm. Bridge Cooke; V. G. Cooke; L. Bodine 1978-8-28 s.n. Tehama Merrill A. Bauer yard, Mineral Home Owners' Assn., White Fir Lane, Mineral 1524 Comment
  UCD32621  Poa bolanderi Beecher Crampton 1954-6-16 1992 Tehama Tehama County, Hawell Saddle, open glade, 0.25 mile west of Howell camp. 1892 Comment
  CHSC89034  Poa bulbosa Pat Sater 2001-4-23 Tehama Tehama Wildlife Area. 1 mile north of Antelope Creek upper slab crossing, 5 yds from Ishi Road. UTM: 10 0594961 E, 4454220 N. 551 Comment
  CHSC9348  Poa bulbosa B. Anthony 1968-4-11 449 Tehama Rest stop on Interstate Hwy, 5 North, 11 miles S. of Cottonwood. Comment
  UC450475  Poa bulbosa Morris Halperin 1931-4-27 323 Tehama R. W. Hanna's Rnach Red Bluff Comment
  CAS-BOT-BC255059  Poa compressa John Thomas Howell 1960-8-18 36008 Tehama Mineral 1493 Comment
  UCD90532  Poa leptocoma Ray Evans 1954-6-3 s.n. Tehama near old Lyonsville (Turner Ranch.) 1158 Comment
  UC1949294  Poa pratensis Barbara Ertter with Brad Olson 1991-7-6 10393 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
  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
  CHSC41065  Poa secunda subsp. secunda Pauleen Broyles 1982-4-23 440 Tehama The Nature Conservancy Vina Plains Preserve. In a hogwallow ca 1 km s of Lassen Road. 70 Comment
  CHSC54027  Poa secunda subsp. secunda Vernon H. Oswald; Lowell Ahart 1991-5-9 4567 Tehama Paynes Creek Recreation Area located ca. 1.5 mi northeast of the Bend Bridge over the Sacramento River, ca. 6.5 miles north-northeast of Red Bluff. On the west side of Paynes Creek near the Sacramento River. 106 Comment
  CHSC65795  Poa secunda subsp. secunda Vernon H. Oswald; Lowell Ahart 1996-4-8 7344 Tehama Cascade Range Foothills. Hog Lake Plateau. BLM parcel along Hwy. 36 NE of Red Bluff. On the S side of the gravel road 0.9 mi W of the parking lot on Hwy. 36. 254 Comment
  CHSC86013  Poa secunda subsp. secunda Jenny Marr; Joyce Lacey-Rickert, Heidi West, Caroline Warren 1998-4-1 Tehama Vicinity of Long Hollow and Grizzly Creek. 274 Comment
  JEPS74056  Poa secunda subsp. secunda Virginia Bailey 1938-4-16 Tehama 6 mi w Paskenta (on Paskenta-Covelo rd) Comment
  JEPS97502  Poa secunda subsp. secunda Vernon H. Oswald and L. Ahart 1995-4-3 6592 Tehama T29N R2W NW1/4 NW1/4 Sec. 26, 660 ft, Cascade Range Foothills, Blue Oak Woodland, basalt substrate. W side of Manton Rd. (A6) ca. 2 mi n of Dales Station on Hwy. 36, ca. 14 mi ne of Red Bluff. Tufted perennial 201 Comment
  UC1019555  Poa secunda subsp. secunda Louise Kellogg 1952-7-17 83 Tehama directly s of South Yolla Bolly Mt (near Squaw Camp and Pole Corral on Boswell Ridge); North Coast Ranges, Mendocino Nat'l Forest 2133 Comment
  CAS-BOT-BC244273  Podagrostis humilis John Thomas Howell 1960-8-18 36103 Tehama Lassen Volcanic National Park. Sulphur Works Checking Station 2011 Comment
  CAS-BOT-BC244274  Podagrostis humilis John Thomas Howell 1960-8-18 36063 Tehama Lassen Volcanic National Park. Bluff Falls 1981 Comment
  UC1988941  Pogogyne zizyphoroides Robert F. Hoover 1937-5-19 2291 Tehama Coyote Creek bridge, south of Red Bluff Comment
  JEPS87876  Polanisia dodecandra subsp. trachysperma Lowell Ahart 1994-7-24 7508 Tehama on n side of Humboldt Road w of bridge across Butte Creek (e of the intersection of Skyway (Bull Hill Road) and Humboldt Road, Butte Meadows); Butte Meadows, w of bridge across Butte Creek 1325 Comment
  OBI5330  Polanisia dodecandra subsp. trachysperma T. C. Fuller 1970-6-18 19735 Tehama On ranch rd made from gravel from adj Antelope crk, 6 mi W of Red Bluff Comment
  UCD116378  Polanisia dodecandra subsp. trachysperma T. C. Fuller 1970-6-18 19735 Tehama Antelope Creek, 6 miles W of Red Bluff. Comment
  UC923126  Polemonium californicum Freed W. Hoffman 1950-7-4 3345 Tehama trail to North Yolla Bolly from White Rock Guard Station (near Trinity-Tehama county border); trail to North Yolla Bolly fr White Rock Guard Station Comment
  JEPS108871  Polemonium occidentale Lowell Ahart 2006-7-25 13069 Tehama East side of a large meadow with bogs, about 20 yards west of the poor trail (cow trail?), about 1/2 mile north of where the dirt road crosses Colby Creek, about 2 miles (air) southeast of Colby Mountain, about 5 miles (air) northeast of Butte Meadows 1540 Comment
  CDA32026  Polygonum arenastrum L. Ahart, J. Dittes, J. Guardino 2009-8-27 16321 Tehama About 100 yards east of Forest Service Road 29N25A, Childs Meadows, about 2,600 feet south of the intersection of Highway 36 (89) and Forest Service Road 29N25A, 2.3 miles (air) northeast of the town of Mill Creek, 9.1 miles (air) south of Lassen Peak. Comment
  CHSC115549  Polygonum aviculare Lowell Ahart; John Dittes 2015-8-5 20468 Tehama East side of Childs Meadow, 150 yards west of Hihgway 36, 0.69 air-miles northwest of intersection of State Highway 36 and Wilson Lake Road (County Road 769), 1.2 air-miles east of Doe Mt., 9.77 air-miles south of Lassen Peak. 1498 Comment
  CHSC117624  Polygonum aviculare subsp. depressum Lowell Ahart; John Dittes, Josephine Guardino 2016-9-21 21370 Tehama On the east side of Highway 89, a little south of Bluff Falls, about 1 mile south of Lassen Volcanic National Park, about 2 1/2 miles (air) north of Morgan Mountain. 1963 Comment
  CAS-BOT-BC109125  Polygonum bidwelliae June McCaskill 1960-5-26 607 Tehama On Wright-Graham ranch, South Power House Road, 1.5 mile south of Manton. Comment
  CAS-BOT-BC109126  Polygonum bidwelliae R. C. Barneby; J. T. Howell 1954-5-14 11483 Tehama 9 miles east of Paynes Creek. 1005 Comment
  JEPS16772  Polygonum bidwelliae Rimo Bacigalupi with J. R. Sweeney and G. Bacigalupi Jr. 1953-8-29 4342 Tehama small grade along State Hwy 36 above Paynes Creek Canyon (4.5 mi e of Dales and 3.5 mi w of Paynes Creek Station) 396 Comment
  JEPS96725  Polygonum bidwelliae Dean W. Taylor 1997-5-30 16015 Tehama Highway 36 about 6 miles East of Paynes Creek; on flank near summit of broad hill 3090 located about 2 miles East of the junction with Ponderosa Way 929 Comment
  OBI76992  Polygonum bidwelliae Anthony Baniaga 2011-6-12 344 Tehama CDFG: Tehama State Wildlife Area. Roadside area along Plum Crk rd (202). Quad T28N R1E 684 Comment
  UC1183415  Polygonum bidwelliae June McCaskill 1960-5-26 607 Tehama South Power House Road 1 1/2 mi s Manton (hills on w side of road); Wright-Graham Ranch Comment
  UCD77949  Polygonum bidwelliae Robert E. Preston 2000-5-28 1352 Tehama On n-facing slope between Hog Lake and Paynes Creek. 213 Comment
  JEPS96712  Polygonum bolanderi Dean W. Taylor 1997-7-18 16144 Tehama south rim of Deer Creek Canyon about 1 mile west of mouth into Sacramento Valley 381 Comment
  CAS-BOT-BC414358  Polygonum californicum John Thomas Howell 1955-6-12 30309 Tehama 8.5 miles south of Corning Comment
  CHSC107228  Polygonum californicum Lowell Ahart; John Dittes 2011-6-9 17452 Tehama Rio De Los Molinos Land Grant. On a sand dune, 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
  CHSC105536  Polygonum douglasii subsp. douglasii Lowell Ahart 2010-9-21 17210 Tehama On damp bare soil, open meadow like area in red fir forest, about 70 yards east of the poor dirt road, about 80 yards west of Big Kimshew Creek, about 1 1/2 miles (air) northeast of Jones Meadow, about 2 1/2 miles (air) southeast of Philbrood Reservoir. 1917 Comment
  JEPS115509  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
  JEPS115346  Polygonum douglasii subsp. spergulariiforme Lowell Ahart, Josephine Guardino 2009-9-6 16360 Tehama East of the enclosure, on the east side of 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
  RSA768936  Polygonum douglasii subsp. spergulariiforme L. Ahart, John Dittes 2010-10-4 17273 Tehama About 50 yards south of the dry pond, Childs Meadows, about 1.2 air miles southeast of the intersection of Highway 36 and USFS Road 24N25, 1.93 air miles northeast of the own of Millcreek, 2.9 air miles west of Wilson Lake 1476 Comment
  RSA67194  Polygonum kelloggii P. A. Munz 1951-7-25 16867 Tehama 1 mile E of Square Lake. 2134 Comment
  RSA67032  Polygonum minimum P. A. Munz 1951-7-25 16870 Tehama 1 mile E of Square Lake. 2134 Comment
  UC1586097  Polygonum minimum Barbara Ertter 1991-9-2 19768 Tehama on ridge road 0.5 mi n Wells Cabin Campground (springs at head of creek, ca 16 air mi e of Covelo); Anthony Peak, Burnt Creek 1889 Comment
  JEPS76638  Polygonum polygaloides subsp. confertiflorum L. R. Heckard 1972-6-18 2988 Tehama sw of Tedoc Mountain 1371 Comment
  HSC74968  Polygonum polygaloides subsp. kelloggii J. P. Smith, Thomas W. Nelson 1979-6-24 10181 Tehama Rd. to Stuart Gap, 0.8 mi. from Tedoc Gap. 1372 Comment
  CHSC117584  Polygonum spergulariiforme Lowell Ahart; John Dittes, Josephine Guardino 2016-9-21 21358 Tehama Open low hill area east of the dirt road, northwest part of Childs Meadow, about 100 yards south of Highway 89. 1473 Comment
  CHSC96680  Polypogon maritimus Lowell Ahart 2007-5-8 13756 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
  JEPS76123  Polypogon maritimus W. L. Jepson 1938-6-10 18973 Tehama 6 mi s Red Bluff (Coyote Creek); Coyote Creek Comment
  JEPS88306  Polypogon maritimus Vernon H. Oswald and Lowell Ahart 1996-5-20 7610 Tehama BLM parcel along Hwy. 36 n.e. Red Bluff (flood channel along Paynes Creek); Cascade Range Foothills, Hog Lake Plateau 158 Comment
  UCD91165  Polypogon maritimus A. A. Beetle 1942-5-19 3293 Tehama 33 miles west of Red Bluff on Rt. 36. Button Canyon Experimental plot. Comment
  CHSC77409  Polypogon monspeliensis Heidi West; B. Castro 1999-6-1 Tehama Vicinity of Salt Creek and Newville. 201 Comment
  CHSC77636  Polypogon monspeliensis Heidi West; Jenny Marr, Caroline Warren, Natalie Wight 1998-6-2 Tehama Vicinity of Salt Creek, North Fork Stony Creek, and Newville. 228 Comment
  HSC97905  Polypogon monspeliensis L. Ahart 2001-6-8 8804 Tehama W side of Rd. M2, 9 mi. W of Paskenta 793 Comment
  JEPS105968  Polypogon monspeliensis Lowell Ahart 2004-6-28 11146 Tehama Gravel bar on the south side of Thomes Creek, about 1/4 mile east of Paskenta 213 Comment
  CHSC28125  Polystichum imbricans B. Garamendi 1974-3-23 56 Tehama Dade place on Mill Creek 100 yds. W of house. Mill/Deer Creek Study Area. 548 Comment
  JEPS76654  Polystichum scopulinum L. R. Heckard 1972-1-17 2970 Tehama w. slope Tedoc Mt. 1310 Comment
  CAS-BOT-BC102407  Populus fremontii L. E. Smith 1913-4-13 626 Tehama Red Bluff Comment
  CHSC75403  Populus fremontii Ben Myhre 1997-3-14 10 Tehama Dye Creek Preserve, 8 miles north of Los Molinos. About 1/4 mile west of the mouth of Dye Creek Canyon. 106 Comment
  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
  JEPS123955  Porterella carnosula Lowell Ahart, John Dittes, Josephine Guardino, Steve Green 2015-7-31 20405 Tehama East of County Road 769, 2.05 air miles east of intersection of State Highway 36 and Wilson Lake Road, 2.32 air miles north-northeast of Gurnsey Creek Campground, 10.74 air miles south-southeast of Lassen Peak. Comment
  SEINET10460775  Porterella carnosula Grinnell 1928-6-30 GRINNELL s.n. Tehama Dry lake bed near Pine Flat on Viola road 1890 Comment
  JEPS120790  Portulaca oleracea Lowell Ahart 2013-9-17 19044 Tehama Silt on the bottom of Burris Creek, strand of Black Butte Reservoir, about 1.5 miles SW of the dam, about 12 air miles NW of Orland. Comment
  SEINET11935013  Portulaca oleracea Unknown 1982-1 805 Tehama The Nature Conservancy Vina Plains Preserve 60 Comment
  CAS-BOT-BC452133  Potamogeton crispus M. S. Taylor; C. Goldsmith 1982-10-19 5165 Tehama On edge of Sacramento River, at Horizons West Hidden Resort, ca. 1/4 mi ne of Tehama. 60 Comment
  CHSC66130  Potamogeton diversifolius Vernon H. Oswald; Lowell Ahart 1996-4-29 7483 Tehama Northwest side of Sacramento Valley. Thomes Creek Ecological Reserve. CDFG parcel on the S side of Gyle Rd. Nw of Corning. In the farm pond on the S boundary. 105 Comment
  JEPS101032  Potamogeton diversifolius Dean W. Taylor 1993-5-14 13443 Tehama Inks Creek, ca. 1.5 air mile N of Dales Lake, in large stock pond in unnamed south fork Inks Creek 186 Comment
  CHSC102637  Potamogeton foliosus var. foliosus Lowell Ahart; Josephine Guardino 2009-9-6 16362 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
  JEPS117686  Potamogeton natans Lowell Ahart, John Dittes 2010-7-17 16843 Tehama In pond, Soap Creek Ranch, about 4.8 miles (air) southeast of Manton, about 2 miles (air) north of Highway 36 812 Comment
  CHSC65082  Potamogeton nodosus Vernon H. Oswald; Lowell Ahart 1995-7-17 7072 Tehama Cascade Range Foothills. Manton Rd. (A6) ca. 1.5 mi N of Dales Station on Hwy. 36, ca. 14 mi NE of Red Bluff. Borrow pit on the E side of Manton Rd. 213 Comment
  CAS-BOT-BC540017  Potentilla gracilis James R. Shevock; David Isle 1985-6-22 11275 Tehama Northern Coast Ranges, Mendocino National Forest, along forest road 23N60 between Anthony Peak and Wells Cabin Meadow 1900 Comment
  CHSC90411  Prunus emarginata Niall McCarten; Roxanne Bittman 1986-6-15 5476 Tehama Mendocino National Forest--North Coast Ranges. Thomes Creek Watershed. 'Ovenlid,' so. side Rd. 25N29. 2011 Comment
  HSC75362  Prunus emarginata J. O. Sawyer, K. A. Sawyer 1980-6-18 3457 Tehama Humboldt Trail 0.5 mi. E of N Yolla Bolly Guard Station. 1860 Comment
  UC1037356  Prunus emarginata Douglas Barbe 1955-7-16 198 Tehama leading to the summit of South Yolla Bolly Mountain, (Mt. Linn), western Tehama County South Yolla Bolly Mountain 2316 Comment
  SEINET10483448  Prunus emarginata Mary Susan Taylor 1977-8-17 Taylor 1474 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
  CHSC55585  Prunus subcordata Steven Triano 1988-4-17 63 Tehama Along n side of Hwy. 32, 28.4 mi n of Forest Ranch. 1048 Comment
  JEPS94348  Prunus virginiana var. demissa Vernon H. Oswald and Lowell Ahart 1997-5-14 8419 Tehama Ponderosa Way (Forest Road 28N29) 3.8 mi se of Plum Creek Road at a low-water crossing of the North Fork Antelope Creek North Fork Antelope Creek; Ponderosa Way (Forest Road 28N29) 938 Comment
  JEPS88098  Pseudognaphalium luteoalbum Vernon H. Oswald and Lowell Ahart 1996-5-27 7651 Tehama CDFG parcel on s side of Gyle Rd. nw Corning (n side of creek ca. 0.1 mi e of w boundary of reserve, nw side of Valley); Sacramento Valley, Thomes Creek Ecological Reserve, Thomes C 105 Comment
  CHSC105637  Pseudognaphalium thermale Lowell Ahart; John Dittes 2010-10-4 17277 Tehama About 50 yards west of the dry pond, Childs Meadows, 1.2 miles (air) southeast of the intersection of Highway 36 and USFS Road 24N25, 1.93 miles (air) northeast of the town of Millcreek, 2.9 miles (air) west of Wilson Lake. 1475 Comment
  CAS-BOT-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
  CHSC102694  Psilocarphus brevissimus var. brevissimus Lowell Ahart; John Dittes, Josephine Guardino 2009-8-27 16309 Tehama On a small mound, island when pond is full, about 100 yards east of Forest Service Road 29N25A, Childs Meadows, about 2600 feet south of the intersection of Highway 36 (89) and Forest Service Road 29N25A, 2.3 miles (air) northeast of the town of Mill Creek, 9.1 miles (air) south of Lassen Peak. Area between SE 1/4 Section 23 and SW 1/4 Section 24. 1493 Comment
  SEINET7073576  Psilocarphus brevissimus var. multiflorus A. G. Vestal 1955-5-19 s.n. Tehama About 10.7 miles west-southwest of Payne Creek and 0.5 miles south on Dales on Route 36. UTM Zone 10, 576092mE, 4461114mN. Coordinate datum: NAD27. Comment
  JEPS105876  Psilocarphus tenellus Lowell Ahart 2004-4-29 10787 Tehama Near a vernal pool, along the Nomalaki Trail, about 1/2 mile northwest of Bowers Creek, about 1 1/4 miles northwest of Forest Road 23N69 (Mud Flat Road), about 7 miles (air) southwest of Paskenta 571 Comment
  CHSC79966  Psilocarphus tenellus var. globiferus L. P. Janeway; B. Castro 2000-5-11 6720 Tehama Vicinity of Rice Creek, west of Hwy I-5. 89 Comment
  CHSC64502  Psilocarphus tenellus var. tenellus Vernon H. Oswald; Lowell Ahart 1995-4-10 6636 Tehama Cascade Range Foothills. Dales Lake Ecological Reserve. W side of Manton Rd. (A6) ca. 1 mi n of Dales Station on Hwy. 36, ca. 14 mi ne of Red Bluff. Along the edge of Inks Creek Rd. between Dales Lake and the w boundary. 213 Comment
  CDA35210  Ptelea crenulata L. P. Janeway, B. Castro 2000-4-22 6684 Tehama High Cascade Range; Small saddle between Ponderosa way and Black Butte, on south side of Middle Ridge; +-overlooking South Fork Antelope Creek Comment
  CHSC105928  Ptelea crenulata Lowell Ahart 2010-7-17 16881 Tehama On the south side of Soap Creek, on the north side of Pondrosa Way, about 4.5 miles (air) southeast of Manton, about 2-1/2 miles (air) north of Highway 36. 772 Comment
  RSA767837  Ptelea crenulata L. Ahart, John Dittes 2010-7-17 16881 Tehama North-aspect on south side of Soap Creek, on the north side of Ponderosa Way, about 4.5 air miles southeast of Manton, about 2.5 air miles north of Highway 36. 773 Comment
  JEPS102793  Pterostegia drymarioides Lowell Ahart 2001-6-8 8811 Tehama On the east side of road M2, about 9 miles west of Paskenta. 777 Comment
  JEPS108140  Purshia tridentata var. tridentata L. P. Janeway, B. Castro 2005-10-10 8552 Tehama High Cascade Range. Near Pacific Crest Trail along crest between Elam Creek (on the north side - Tehama Co.) and Butt Creek (on the south side - Plumas Co.), about 1.0 air km west of top of Carter Meadows Trail junction at PCT. At and near the ridge top 1987 Comment
  JEPS101606  Pycnanthemum californicum Dean W. Taylor 1997-7-9 16120 Tehama Hammer Place, South Fork Cottonwood Creek; Yolla Bolly Mtns 563 Comment
  HSC75050  Pyrola dentata J. P. Smith, Thomas W. Nelson 1978-7-22 10041 Tehama Shasta-Trinity National Forest. On the road to Mt. Tedoc 1585 Comment
  SDSU18713  Pyrola picta K. Dixon 1942-7-31 167 Tehama Cascade Creek. 1143 Comment
  SDSU9899  Pyrola picta K. Dixon 1942-7-31 166 Tehama Cascade Creek. Comment
  SEINET10537062  Quercus David B. Dunn, Billy Joe Cox 1971-6-10 Dunn 17954 Tehama 8 miles e of red bluff on calif. Hwy. 36, In live oak Comment
  UC1039825  Quercus berberidifolia O. C. Olson 1956-2-7 29 Tehama nw of Deer Creek Flat (on n rim of canyon, Quad 33C3) 609 Comment
  CDA21858  Quercus chrysolepis G. D. Barbe 1975-10-24 2100 Tehama 1.4 miles north of Highway 36 (Paynes Creek) on Lanes Valley Road. 0 Comment
  CAS-BOT-BC86620  Quercus douglasii W. A. Weber; Lewis S. Rose 1953-5-23 8468 Tehama rolling hills 6 mi N of Red Bluff 91 Comment
  CHSC117995  Quercus douglasii Cole Younger 2015-4-17 1 Tehama Mulberry Ct. 85 Comment
  JEPS46650  Quercus douglasii W. L. Jepson Sep 1929 15334 Tehama Macum Comment
  POM160991  Quercus douglasii H. M. Hall 1919-10-3 s.n. Tehama Near Red Bluff Comment
  CAS-BOT-BC86111  Quercus dumosa C. Hart Merriam 1916-9-11 s.n. Tehama Paskenta Grade 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
  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
  SEINET10431772  Quercus kelloggii Unknown 1956-4-27 s.n. Tehama CA Hwy 36, 35 miles E of Red Bluff. 610 Comment
  CAS-BOT-BC61619  Quercus lobata M. B. Kildale 1926-9-11 2712 Tehama Paynes Creek Comment
  UCR198076  Quercus wislizeni J. M. Tucker 1964-7-24 3810 Tehama one mi west of Log Springs, road from Covelo to Paskenta, 150 yards south and down the mountain from the road 1555 Comment
  CHSC86556  Rafinesquia californica Jenny Marr; Heidi West, Caroline Warren 1998-5-20 Tehama Vicinity of South Fork Cottonwood Creek and Pettyjohn Road. 426 Comment
  RSA66627  Raillardiopsis scabrida P. A. Munz 1951-7-26 16920 Tehama South Yolla Bolly Park. 2287 Comment
  RSA253325  Ranunculus alismifolius var. hartwegii A. A. Heller 1938-5-21 15096 Tehama S of Child's Meadows. 1372 Comment
  CAS-BOT-BC380406  Ranunculus alismifolius var. hartwegii A. A. Heller 1938-5-21 15096 Tehama wet meadows south of Child's Meadows Comment
  RSA39727  Ranunculus alismifolius var. lemmonii P. A. Munz 1947-5-18 11850 Tehama 12 mi. east of Mineral on Highway 36. 1585 Comment
  CHSC54015  Ranunculus bonariensis var. trisepalus Vernon H. Oswald; Lowell Ahart 1991-5-9 4570 Tehama Paynes Creek Recreation Area located ca. 1.5 mi northeast of the Bend Bridge over the Sacramento River, ca. 6.5 miles north-northeast of Red Bluff. At the southwest corner of the large impoundment at the entrance kiosk. 112 Comment
  JEPS54968  Ranunculus californicus W. L. Jepson 1899-4-25 Tehama Stiver's Ranch Crane Creek (w Tehama Co.) Comment
  CHSC64366  Ranunculus canus Vernon H. Oswald 1995-3-15 6524 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 e boundary between the borrow pit and the basalt ridge crossing the ne corner of the reserve. 219 Comment
  CHSC80061  Ranunculus canus B. Castro; L. P. Janeway 2000-5-11 1157 Tehama Vicinity of Orland and Black Butte Lake, on terrace next to Rice Creek. 88 Comment
  HSC1746  Ranunculus canus Larry Berti 1969-3-21 51 Tehama N face of Antelope Creek Canyon, 12 mi. E of Red Bluff, 3 mi. upstream from the dam 213 Comment
  CHSC48822  Ranunculus flammula var. ovalis Vernon Oswald 1984-7-16 1589 Tehama W end of Wilson Lake located ca. 8 mi e of Mineral. 1609 Comment
  CHSC65704  Ranunculus hebecarpus Vernon H. Oswald; Lowell Ahart 1996-3-25 7274 Tehama Cascade Range Foothills. Hog Lake Plateau. BLM parcel along Hwy. 36 NE of Red Bluff. On the S bank of Paynes Creek near the end of the gravel road running westward from the parking lot on Hwy. 36. 106 Comment
  JEPS88440  Ranunculus hebecarpus Vernon H. Oswald and Lowell Ahart 1996-3-25 7274 Tehama BLM parcel along Hwy 36 ne of Red Bluff (on s bank of Paynes Creek near end of gravel road running westward from parking lot on Hwy 36, Cascade Range Foothills); Hog Lake Plateau, Cascade Range Foothills, Paynes Creek 106 Comment
  UC1949155  Ranunculus hebecarpus Barbara Ertter 1991-5-18 9828 Tehama Rosewood Ranch on Salt Creek ca 17 airmiles WNW of Red Bluff, ca 1/2 mi S of Hwy 36 Comment
  CHSC66500  Ranunculus muricatus Vernon H. Oswald; Lowell Ahart 1996-5-20 7608 Tehama Cascade Range Foothills. Hog Lake Plateau. BLM parcel along Hwy. 36 NE of Red Bluff. In a flood channel along Paynes Creek. 158 Comment
  HSC75397  Ranunculus occidentalis J. O. Sawyer, K. A. Sawyer 1980-6-18 3561 Tehama Humboldt Trail W of Long Ridge Trail 1829 Comment
  SBBG2268  Ranunculus occidentalis var. dissectus H. and M. Dearing 1938-6-22 2079 c Tehama Deer Crk above Potato Patch camp 1219 Comment
  HSC18147  Ranunculus occidentalis var. occidentalis John L. Heywood, D. H. Norris 1968-3-31 1899 Tehama Hwy. 36, 4 mi. E of Shasta Co. line Comment
  CHSC56329  Ranunculus orthorhynchus K. R. Stern 1986-5-21 8262 Tehama Deer Creek Meadows, 1 mi SE of jct hwys 32 and 36. 1402 Comment
  JEPS108877  Ranunculus orthorhynchus var. orthorhynchus Lowell Ahart 2006-7-19 13029 Tehama 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
  RSA759801  Ranunculus orthorhynchus var. orthorhynchus Barbara J. Ertter, Brad Olson 1991-7-6 10396 Tehama Rocky Cabin meadow ca 1 mile south of Ball Rock, 1 mile southeast of Cold Spring Forest Station, ca 30 air miles west of Corning. 1890 Comment
  UC1001291  Ranunculus orthorhynchus var. orthorhynchus Louise Kellogg 1952-7-8 2 Tehama near Squaw Camp and Pole Corral (directly s of South Yolla Bolly Mountain); North Coast Ranges, Mendocino National Forest, Boswell Ridge 2133 Comment
  SBBG119943  Ranunculus orthorhynchus var. orthorhynchus L. Ahart 2006-7-19 13029 Tehama S of an open dry flat, ca. 100 yards W of the dirt rd, E of Colby Mtn, ca. 5 mi NE of Butte Meadows 1525 Comment
  CHSC53979  Ranunculus testiculatus Vernon H. Oswald 1991-4-30 4545 Tehama Hwy 36 at Battle Creek Vista, 9.0 miles east of Paynes Creek, 0.9 mile west of Ponderosa Way. Beside the walkway to the overlook. 1170 Comment
  CHSC27838  Raphanus raphanistrum Eric J. Miller 1978-4-24 8 Tehama Ca. 1 km w of Sacramento River at Woodson Bridge. 28 Comment
  CHSC34564  Raphanus raphanistrum R. E. Preston; L. E. Preston 1982-1-1 156 Tehama On e side of Hwy 99 across from Halle Rd, ca. 1 mi n of Butte/Tehama Co. line. Roadside. Comment
  JEPS32571  Rhamnus tomentella subsp. crassifolia Carl B. Wolf 1937-9-6 9296 Tehama Paskenta-Covelo Road Mud Flat (Mud Flat); Inner North Coast Range, Mud Flat 609 Comment
  CHSC77785  Rhamnus tomentella subsp. tomentella B. Castro; L. P. Janeway, J. Marr, C. Warren 1999-8-11 1027 Tehama About 22 air miles W of Red Bluff, vicinity of S. Fork Cottonwood Creek. On low, dry floodplain and cobble bar. 329 Comment
  JEPS76644  Rhamnus tomentella subsp. tomentella L. R. Heckard 1972-6-18 2981 Tehama n of Tedoc Mt. (along Wells Creek); Wells Creek 883 Comment
  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
  JEPS97243  Rhus trilobata Vernon H. Oswald and L. Ahart 1995-5-9 6720 Tehama Cascade Range Foothills and Blue Oak Woodland, basalt substrate. Dales Lake Reserve on the W side of Manton Rd. (A6) ca. 1.5 mi n of Dales Station on Hwy. 36, ca. 14 mi ne of Red Bluff 219 Comment
  RSA123552  Ribes binominatum G. D. Barbe 1955-7-16 171 Tehama On the E ridge leading to the summit of S Yolla Bolly (Mt. Linn) 2287 Comment
  CAS-BOT-BC92896  Ribes californicum var. californicum P. A. Munz 1951-7-26 16958 Tehama South base of South Yolla Bolly Peak. 2057 Comment
  UC998316  Ribes lobbii Milo S. Baker and H. K. Wagnon 1953-7-12 12863 Tehama 5.1 mi from Whitlock Camp 1828 Comment
  CHSC84538  Ribes malvaceum John Dittes 2003-2-15 2003 -3 Tehama Inner North Coast Range; approximately 7.0 air-miles southwest of Paskenta, 1.1 air-miles due north of the Glenn County Line and ca. 1.3 air-miles west by northwest of Salt Creek Saddle. On slope north of Round Valley Road. 731 Comment
  JEPS49345  Ribes malvaceum W. L. Jepson 1899-4-26 13502 Tehama Greasewood Hills Yolla Bolly Mountains Comment
  CHSC65340  Ribes nevadense Lowell Ahart 1995-10-3 7654 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
  JEPS98984 Image available Ribes nevadense Vernon H. Oswald 2001-5-7 10006 Tehama Forest Road 26N15 2.2 mi west of Hwy 32, between Soda Springs and Cohasset Ridge. 1072 Comment
  CHSC10615  Ribes roezlii Lowell Ahart 1968-4-6 Tehama Five miles south of Mineral. 1371 Comment
  CAS-BOT-BC168811  Ribes viscosissimum John Thomas Howell 1960-8-21 36305 Tehama Near Sulphur Works entrance, Lassen Volcanic National park 1996 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
  RSA719174  Rorippa curvisiliqua L. Ahart 2006-7-19 13040 Tehama About 150 yards NE of where the dirt road crosses Colby Creek, about 2 miles (air) NE of Butte Meadows. 1541 Comment
  CAS-BOT-BC146356  Rosa John Thomas Howell 1977-6-20 52364 Tehama On Deer Creek Road, west of Colby Mt. Comment
  JEPS105615  Rosa bridgesii L. P. Janeway 2003-6-14 7846 Tehama Cascade Range Foothills. Along Cohasset Road 1.0 air km east of the old Campbellville fire lookout site and 3.7 air km south of Deer Creek 1062 Comment
  JEPS96939  Rosa bridgesii Dean W. Taylor 1997-6-6 16032 Tehama ridge dividing Rock Creek from Deer Creek; 3 air miles N of Cohasset; on north-side of ridge in Sulphur Creek drainage 975 Comment
  JEPS94331  Rosa gymnocarpa Vernon H. Oswald and Lowell Ahart 1997-5-14 8441 Tehama 1.5 mi w of the bridge on the South Fork Antelope Creek (between Paynes Creek and Cohasset on Ponderosa Way (Forest Road 28N29), 11 mi s of Plum Creek Road); Ponderosa Way 975 Comment
  SEINET13710614  Rosa gymnocarpa Lowell William Ahart, Lowell William Ahart 2001-1 9182 Tehama E Side Hwy 32 and SE of Jct. Rd. 390-G of Sierra Pacific Industries 4 Rd. Mi. S Road across Deer Creek (T27N, R3E, sec 36, SE 1/4) 4000 Ft. 1219 Comment
  CHSC81151  Rosa pisocarpa subsp. ahartii Lowell Ahart 2001-8-28 9181 Tehama Along a small dry stream, on the east side of Highway 32 and southeast of the intersection with road 390 - G of Sierra Pacific Industries, about 4 miles by road south of bridge across Deer Creek. 1219 Comment
  CHSC86546  Rosa spithamea L. P. Janeway 2003-6-14 7846 Tehama Cascade Range Foothills. Along Cohasset Road 1.0 air km east of the old Campbellville fire lookout site and 3.7 air km south of Deer Creek. 1062 Comment
  SBBG119989  Rosa woodsii subsp. ultramontana L. Ahart 2006-7-19 13042 Tehama where the dirt rd crosses Colby Crk, ca. 2 mi (air) SE of Colby Mtn, ca. 5 1/8 mi (air) NE of Butte Meadows 1540 Comment
  SDSU9243  Rubus parviflorus K. Dixon 1942-8-9 186 Tehama Near Butte Meadows. 1280 Comment
  CHSC102801  Rumex acetosella Lowell Ahart; John Dittes, Josephine Guardino 2009-8-27 16323 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
  CHSC117175  Rumex acetosella Lowell Ahart; John Dittes 2016-6-22 21037 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
  JEPS115400  Rumex acetosella Lowell Ahart, John Dittes, Josephine Guardino 2009-8-27 16323 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
  CHSC117642  Rumex californicus Lowell Ahart; John Dittes 2016-8-25 21313 Tehama About the west edge of the Sacramento River, Anderson River Park, 0.7 mile (air) upstream from Sillwater Creek Confluence, 1.8 miles (air) northeast of Balls Ferry Road exit from Interstate 5 in Anderson. Undesignated section of San Buenaventura Land Grant. 117 Comment
  UC936219  Rumex salicifolius var. salicifolius Helen K. Sharsmith 1951-7-11 4015 Tehama 0.3 mi beyond Anthony Peak road junction (Covelo-Paskenta road, just within w boundary of Tehama County); Inner North Coast Ranges, Mendocino National Forest 1524 Comment
  CHSC80647  Rupertia hallii Lowell Ahart 2001-6-16 8861 Tehama On south side of the dirt road, about 3 miles west of Highway 32, west of Soda Springs Campground, about 4 miles (air) west of Butte Meadows. 1158 Comment
  UC980587  Sagina apetala Milo S. Baker 1953-4-26 12542 Tehama 5 mi. w. Paskenta (along rd. of Crane Lumber Co.) Comment
  UCD80214  Sagina apetala CNPS SN Foothill Team 2006-4-5 SNFN 0441 a Tehama Private Wurlitzer Ranch, at the apex of a ridgeline south of Pine Creek. 473 Comment
  CHSC115786  Sagina saginoides Lowell Ahart; John Dittes 2015-8-6 20492 Tehama 30 yards east of the camping area, west side Childs Meadow, 0.67 air-miles west of intersection of State Highway 36 and Wilson Lake Road (County Road 769), 1.2 air-miles southeast of Doe Mt., 10.41 air-miles south of Lassen Peak. 1498 Comment
  JEPS87919  Sagina saginoides Barbara Ertter 1991-9-2 10764 Tehama ca. 16 airmiles e. Covelo (0.5 mi. n. of Wells Cabin Campground on ridge rd., springs at head of Burnt Creek on e. side of Anthony Peak); s.w. Tehama Co., Anthony Peak, Burnt Creek 1889 Comment
  JEPS105072  Sagittaria montevidensis subsp. calycina Dean W. Taylor 1992-10-8 13260 Tehama Coyote Creek; ca. 5 miles S of Red Bluff, at crossing of Rawson Road 97 Comment
  RSA530026  Sagittaria sanfordii D. W. Taylor 1991-6-14 11919 Tehama Hog Lake (West of Highway 36 ca. 3 miles S of Dales), 262 Comment
  JEPS16230  Salix Joseph Grinnell with Mary E. Grinnell 1927-5-17 Tehama Mineral 1463 Comment
  CAS-BOT-BC103358  Salix bonplandiana L. E. Smith 1914-3-18 585 Tehama [Reed] Reeds Cr. Red Bluff Comment
  CHSC84262  Salix exigua Lowell Ahart; John Dittes 2003-6-11 10259 Tehama On the west side of Battle Creek, about 1 mile north of Manton Road, about 1 1/2 miles (air) northeast of the Colman Power House, about 5 miles (air) west-southwest of Darah Springs State Fish Hatchery, about 10 miles (air) east-northeast of Cottonwood. 153 Comment
  RSA767832  Salix exigua L. Ahart, John Dittes 2010-7-19 16891 Tehama About 20 yards north of the poor road crossing, on the bottom of the South Fork and Battle Creek, about 3.3 air miles southwest of Manton, about 4.2 air miles north of Highway 36 and Lane Valley Road intersection. 433 Comment
  CHSC117726  Salix exigua var. hindsiana Lowell Ahart; John Dittes 2016-8-25 21302 Tehama Along the west side 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
  UC481989  Salix geyeriana C. R. Ball, Mrs. H. P. Bracelin, and Beryl Kautz 1931-5-30 372 Tehama 1.7 km. w Mineral (S. Fork Battle Creek); ; <Note on written label: Mill Cr.> 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
  POM219004  Salix geyeriana var. argentea Carleton R. Ball, H. P. Bracelin, Beryl Kautz 1931-5-30 372 Tehama S Fork of Battle Creek. 1.7 km W of Mineral 1500 Comment
  CAS-BOT-BC104003  Salix gooddingii L. E. Smith 1913-3-26 599 Tehama Red Bluff Comment
  CAS-BOT-BC104004  Salix gooddingii L. E. Smith 1913-3-26 596 Tehama Red Bluff Comment
  CHSC88505  Salix gooddingii Jenny Marr; Heidi West 1998-10-13 Tehama Vicinity of South Fork Cottonwood Creek and Dipping Vat Flat. Along the creek. 304 Comment
  SBBG27478  Salix jepsonii C. R. Ball, E. Smith, Mrs. H. P. Bracelin 1932-7-24 678 Tehama Mt Lassen Highway, 8.9 mi from Mineral 1981 Comment
  UC525923  Salix jepsonii C. R. Ball, Emily Smith, Mrs. H. P. Bracelin 1932-7-24 682 Tehama Mt. Lassen Highway, 0.6 miles north of Sulphur Works Checking Station Lassen Volcanic National Park 2042 Comment
  UC525924  Salix jepsonii C. R. Ball, Emily Smith, and Mrs. H. P. Bracelin 1932-7-24 682 Tehama Mt. Lassen Hwy. 0.6 mi n of Sulphur Works Checking Station; Lassen Volcanic Nat'l Park 2042 Comment
  CHSC77790  Salix laevigata B. Castro; L. P. Janeway 1999-6-10 976 Tehama About 19 air miles SW of Red Bluff, vicinity of Dry Creek. 298 Comment
  JEPS14851  Salix laevigata Harold and Virginia Bailey 1938-4-16 Tehama along creek bank Henleyville Comment
  SBBG27244  Salix laevigata C. R. Ball, E. Smith, Mrs. H. P. Bracelin 1932-7-23 Tehama Red Bluff, on creek bank Comment
  UC481987  Salix lasiandra subsp. lasiandra C. R. Ball, Mrs. H. P. Bracelin, and Beryl Kautz 1931-5-30 375 Tehama 1.7 km. w. Mineral (s. side of hwy., s. of road maintenance gravel dump, S. Fork Battle Creek); S. Fork Battle Creek 1500 Comment
  CAS-BOT-BC128069  Salix lasiandra var. lasiandra Mrs. H. P. Bracelin; C. R. Ball; Beryl Kautz 1931-5-30 373 Tehama South Fork of Battle Creek, 1.7 kmk. west of Mineral 1500 Comment
  CAS-BOT-BC128071  Salix lasiandra var. lasiandra John Thomas Howell 1960-8-20 36234 Tehama Morgan - near Lassen volcanic National Park 1463 Comment
  CHSC115580  Salix lasiandra var. lasiandra Lowell Ahart; John Dittes 2015-8-6 20509 Tehama 50 yards south of the small stream, about 100 yards east of the spring, east of the camping area, west side of Childs Meadow, 0.67 air-miles west of intersection of State Highway 36 and Wilson Lake Road (County Road 769), 1.21 air-miles southeast of Doe Mt., 10.41 air-miles south of Lassen Peak. 1498 Comment
  CHSC106123  Salix lasiolepis L. P. Janeway 2010-9-12 10209 Tehama High North Coast Ranges. At Willow Spring, 2.5 km east-southeast of Buck Rock, just below road M2. On west side of the willow and dogwood thicket along the spring. 1750 Comment
  UC525955  Salix lasiolepis C. R. Ball, Emily Smith, Mrs. H. P. Bracelin 1932-7-23 653 Tehama 21 mi w Mineral; Payne Creek 487 Comment
  CAS-BOT-BC124905  Salix lemmonii C. R. Ball; Mrs. H. P. Bracelin; Beryl Kautz 1931-5-31 400 Tehama South Fork of Battle Creek, 2 km. east of Mineral 1500 Comment
  CAS-BOT-BC124906  Salix lemmonii C. 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
  CAS-BOT-BC124912  Salix lemmonii C. R. Ball; Emily Smith; Mrs. H. P. Bracelin 1932-7-23 680 Tehama Mt. Lassen Highway, 8 miles northeast of Mineral 2042 Comment
  CAS-BOT-BC124921  Salix lemmonii C. R. Ball; Emily Smith; Mrs. H. P. Bracelin 1932-7-24 685 Tehama Mt. Lassen Highway, 0.6 mile north of Sulphur Works Checking Station. Lassen Volcanic National Park 2042 Comment
  CAS-BOT-BC124927  Salix lemmonii C. R. Ball; Emily Smith; Mrs. H. P. Bracelin 1932-7-24 686 Tehama Mt. Lassen Highway, 0.6 mile north of Sulphur Works Checking Station. Lassen Volcanic National Park 2042 Comment
  CAS-BOT-BC124933  Salix lemmonii C. R. Ball; Mrs. H. P. Bracelin; Beryl Kautz 1931-5-30 377 Tehama South Fork of Battle Creek, 1.7 km. west of Mineral 1500 Comment
  CAS-BOT-BC124934  Salix lemmonii C. 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
  CAS-BOT-BC124940  Salix lemmonii C. R. Ball; Emily Smith; Mrs. H. P. Bracelin 1932-7-23 672 Tehama Mt. Lassen Highway, 8 miles northeast of Mineral 1981 Comment
  CAS-BOT-BC124941  Salix lemmonii John Thomas Howell 1960-8-18 36096 Tehama Sulphur Works Entrance Station 2011 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
  LA208884  Salix lemmonii C. R. Ball; Emily Smith, Mrs. H. P. Bracelin 1932-7-23 681 Tehama Mt. Lassen Hwy, 8 mi NE of Mineral 2042 Comment
  LA208885  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
  SBBG27427  Salix lemmonii C. R. Ball, E. Smith, Mrs. H. P. Bracelin 1932-7-23 672 Tehama Mt Lassen Hwy, 8 mi NE of Mineral 1981 Comment
  UC481993  Salix lemmonii C. R. Ball, Mrs. H. P. Bracelin, and Beryl Kautz 1931-5-30 377 Tehama 1.7 km. w. Mineral (s. side of hwy., s. of road maintenance gravel dump, S. Fork Battle Creek); S. Fork Battle Creek 1500 Comment
  UC481994  Salix lemmonii C. R. Ball, Mrs. H. P. Bracelin, and Beryl Kautz 1931-5-30 377 Tehama 1.7 km. w. Mineral (S. Fork Battle Creek); S. Fork Battle Creek 1500 Comment
  UC482005  Salix lemmonii C. R. Ball, Mrs. H. P. Bracelin, and Beryl Kautz 1931-5-30 376 Tehama 1.7 km. w. Mineral (s. side of Hwy., s. of rd. maintenance gravel dump, S. Fork Battle Creek); S. Fork Battle Creek 1500 Comment
  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
  RSA219006  Salix ligulifolia Carleton R. Ball, H. P. Bracelin, Beryl Kautz 1931-5-30 379 Tehama S Fork of Battle Creek. 1.7 km NE of Mineral. On the Mt Lassen Hwy 1570 Comment
  UC482003  Salix ligulifolia C. R. Ball, Mrs. H. P. Bracelin, and Beryl Kautz 1931-5-30 379 Tehama 1.7 km. n.e. Mineral (Mt. Lassen Hwy., S. Fork Battle Creek, at <creek> crossing); S. Fork Battle Creek 1570 Comment
  JEPS127146  Salix melanopsis Lowell Ahart, John Dittes 2016-8-25 21312 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
  UCD111772  Salix melanopsis John Thomas Howell 1960-8-20 36235 Tehama Morgan, Lassen Volcanic National Park. 1463 Comment
  UC525949  Salix scouleriana C. R. Ball, Emily Smith, and Mrs. H. P. Bracelin 1932-7-23 671 Tehama 7.0 mi. n.e. Mineral (Mt. Lassen Hwy., rock slide below waterfall) 1981 Comment
  CHSC107103  Sambucus mexicana M. Mitchell 2010-4-29 41 Tehama Dye Creek Preserve. 117 Comment
  CHSC64704  Sambucus mexicana Vernon H. Oswald 1995-5-2 6708 Tehama Cascade Range Foothills. Dales Lake Ecological Reserve. W side of Manton Rd. (A6) ca. 2 mi N of Dales Station on Hwy 36, ca. 14 mi NE of Red Bluff. 225 Comment
  SEINET10465259  Sambucus nigra subsp. caerulea Billy Joe Cox, Jeffrey Huber 1971-6-10 Cox 2850 Tehama 8 mi E of Red Bluff, on Calif. Hwy. 36. 152 Comment
  JEPS29546  Sambucus racemosa var. microbotrys John Thomas Howell 1961-6-20 36587 Tehama Bluff Falls; near Lassen Volcanic National Park 1981 Comment
  HSC19730  Sanguisorba annua Jim Vaughn 1956-6-22 Tehama Mineral 1311 Comment
  CHSC55175  Sanicula bipinnata L. P. Janeway 1991-4-11 3878 Tehama Battle Creek Wildlife Area. Tablelands on south side of Battle Creek, ca 1 1/2 mi east of the Sacramento River. 170 Comment
  JEPS265  Sanicula bipinnata Virginia Bailey 1938-4-16 Tehama 6 mi w Paskenta (along Paskenta-Covelo road) Comment
  CHSC27557  Sanicula bipinnatifida W. K. Cheechov 1978-3-24 5 Tehama 50 ft se of intersection of Reeds Creek and Pettyjohn Rd. 12.5 mi w of Red Bluff. 262 Comment
  CHSC68573  Sanicula bipinnatifida Vernon H. Oswald 1997-5-14 8413 Tehama Plum Creek Rd. 0.1 mi west of Hogback Rd., southeast of the town of Paynes Creek. 969 Comment
  UC1006673  Sanicula crassicaulis C. Ritchie Bell 1953-3-21 1397 Tehama 4.2 mi n of Red Bluff (beside U.S. Highway 99) Comment
  UC1563885  Sanicula graveolens Barbara Ertter 1989-5-3 8437 Tehama 20 air mi sw of Chester (e side of Deer Creek, Deer Creek Road (Rt 32), at milepost 12.00); Deer Creek, Deer Creek Road 975 Comment
  RSA26164  Sanicula graveolens Alice Eastwood, J. T. Howell 1941-7-9 9789 Tehama Government Flat Comment
  RSA67189  Sanicula graveolens P. A. Munz 1951-7-25 16862 Tehama 1/3 mile east of Square Lake, South Yolla Bolly Mountains 2134 Comment
  HSC89668  Sanicula tuberosa A. Smith, A. Eller, B. Hoffman 1989-3-31 6 Tehama On Tedoc Rd. (FS 45) near intersection with Hwy. 36, about 1.5 mi. E of boundary with Shasta Co. 549 Comment
  CHSC66601  Saponaria officinalis Vernon H. Oswald 1996-7-19 8075 Tehama Cascade Range Foothills. BLM parcel on the N side of the Sacramento River at Jellys Ferry Bridge on Jellys Ferry Rd. NE of Red Bluff. Along the river W of the parking area. 97 Comment
  UC402528  Saxifraga odontoloma W. P. Taylor 1913-8-2 Tehama 2 mi s of South Yolla Bolly Mountain Comment
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Jul 5 2009
  UCD80019  Scandix pecten-veneris CNPS SN Foothill Team 2005-5-10 SNFN 0256 d Tehama TNC Dye Creek Preserve, near Los Molinos, adjacent to Dye Creek, about 1/2 mile up trail from lodge/office. 119 Comment
  CAS-BOT-BC283620  Schedonorus pratensis John Thomas Howell 1960-8-20 36248 Tehama Morgan 1463 Comment
  CAS-BOT-BC111814  Schoenoplectus heterochaetus Peter Rubtzoff 1978-8-5 9246 Tehama North end of Wilson Lake on south side of Wilson Lake Road Comment
  CHSC61117  Schoenoplectus heterochaetus Vernon H. Oswald 1993-7-14 5688 Tehama Wilson Lake located N of Hwy. 36 ca. 9 mi. (air) E of Mineral. NW edge of the lake. 1606 Comment
  CHSC65142  Schoenoplectus mucronatus Vernon H. Oswald 1995-7-31 7159 Tehama Cascade Range Foothills. Manton Rd. (A6) 5.8 mi NE of Dales (on Hwy. 36), 2.5 mi SW of its jct. with Lane Valley Rd. 329 Comment
  CHSC105499  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
  UCR196222  Scirpus tuberosus Carol W. Witham, Jennifer Buck, Vernal Pool Team 2002-6-10 353 Tehama Vina Plains, southeast of intersection between Hwy 99 and Lassen Road. Lassen Road Site. Pool #LAS100 65 Comment
  RSA424716  Scleranthus annuus Aaron Liston, M. Blumler 1987-4-24 655 -5 Tehama Hwy 36 between Dales and Paynes Creek; 2 miles E of Paynes Creek. Comment
  UCD92540  Scribneria bolanderi H. K. Wagner; Milo S. Baker 1953-5-3 s.n. Tehama 7 miles west of Paskenta near Logging Road. Comment
  UCD92541  Scribneria bolanderi E. Wilson 1935-4-23 s.n. Tehama near Redding. On road to Duncan Creek Exp. Range. Comment
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Jul 21 2013
  CHSC32163  Scutellaria antirrhinoides James D. Jokerst 1980-8-22 1108 Tehama Near Mt. Linn. Comment
  CHSC46566  Scutellaria antirrhinoides Vernon H. Oswald 1989-7-24 3895 Tehama Wilson Lake north of Hwy 36, ca. 8 (air) east of Mineral. 1606 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
  CHSC66198  Scutellaria californica Vernon H. Oswald; Lowell Ahart 1996-6-3 7709 Tehama Cascade Range Foothills. Hog Lake Plateau. BLM parcel along Hwy. 36 NE of Red Bluff. 91 Comment
  CHSC80661  Scutellaria siphocampyloides Vernon H. Oswald; Lowell Ahart 2001-6-5 10042 Tehama Raglin Ridge Rd 0.6 mi east of the North Fork of Elder Creek. 426 Comment
  CHSC84674  Sedella pumila Samantha Mackey Hillaire; Brian Elliott 2003-5-31 331 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
  CAS-BOT-BC417759  Sedella pumila E. L. Dietz, Jr. 1969-4-30 s.n. Tehama Hwy 99E, E of Vina Comment
  UCD101983  Sedella pumila June McCaskill 1960-5-26 606 Tehama on west side of road, on Wright-Graham ranch, South Power House Road, 1.5 miles south of Manton. Comment
  UC1072714  Sedum laxum subsp. laxum Douglas Barbe 1955-7-16 175 Tehama on the e ridge leading to the summit South Yolla Bolly (Mt. Linn); e ridge leading to summit South Yolla Bolly (Mt. Linn) 2286 Comment
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Oct 29 2020
  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
  CHSC107257  Selaginella hansenii Lowell Ahart; John Dittes 2011-6-9 17460 Tehama High bank on the north side of Acorn Hollow Creek just east Dry Creek confluence, 2.1 miles (air) east of Highway 99, 3.8 miles (air) north of Vina. 75 Comment
  CHSC87312  Selaginella wallacei Lowell Ahart 2004-4-29 10812 Tehama About 1/8 mile southeast of an unnamed lake, along the Nomalaki Trail, about 3/4 mile by trail northwest of Dead Rabbit Lake, about 1 1/2 miles northwest of Bowers Creek, about 2 1/4 miles northwest of Forest Road 23N69 (Mud Flat Road), about 8 miles (air) southwest of Paskenta. 562 Comment
  CAS-BOT-BC363435  Senecio aronicoides Mary Strong Clemens 1920-7-30 s.n. Tehama Mineral Comment
  CAS-BOT-BC363436  Senecio aronicoides Mrs. Jos. Clemens 1920-7-30 1 Tehama Mineral Comment
  SEINET10474900  Senecio aronicoides Mary Susan Taylor 1975-7-17 Taylor 850 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
  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
  JEPS97006  Senecio vulgaris Vernon H. Oswald and L. Ahart 1994-3-8 5974 Tehama T23N R5W SE corner Sec. 24, 530 ft, Valley Grassland-Foothill Woodland ecotone. Junction of Black Butte Rd. and Black Butte Rd. West, N side of Black Butte Lake, in an area of rolling grassy hills with scattered stands of blue oak 161 Comment
  JEPS95177  Setaria sphacelata Vernon H. Oswald and Lowell Ahart 1996-7-8 7989 Tehama on e side of Hwy 36 ca. 0.7 mi sw of parking lot at Hog Lake Plateau (on e side of Hwy 36 ne of Red Bluff near Hog Lake, Cascade Range Foothills); Cascade Range Foothills 274 Comment
  SEINET10822074  Setaria viridis Lowell Ahart 2010-9-1 Ahart 17140 Tehama T25N, R2W, undesignated section. About 1/3 of a plant, on damp good soil, moisture from irrigation, on the south of Mill Creek, about 0.3 miles east of confluence with the Sacramento River, Los Molinos. Common. 64 Comment
  RSA756204  Sidalcea calycosa subsp. calycosa Barbara Ertter 1991-5-18 9829 Tehama Rosewood Ranch on Salt Creek ca 17 air miles west-northwest of Red Bluff, ca. 1/2 mile south of Highway 36 along creek. 213 Comment
  UC727085  Sidalcea diploscypha A. A. Heller 1927-5-3 14361 Tehama ten mi n Chico; n of Chico Comment
  UCD21116  Sidalcea diploscypha Vernal Pool Team 2002; Carol Witham and Jennifer Buck 2002-4-24 292 Tehama Vina Plains, SW of Highway 99 and Rowles Road. Pool # ROW003. UTMs 10S0585065; 4416138. Comment
  JEPS67217  Sidalcea glaucescens W. L. Jepson 1927-6-21 12269 Tehama Battle Creek Mdw , Battle Creek Mdw (Mineral) 1524 Comment
  CHSC80224  Sidalcea hartwegii B. Castro; L. P. Janeway, G. Kuenster, S. Innecker, J. Lacey 2000-5-24 1183 Tehama Vicinity of Paskenta and Thomes Creek, on grassy flat overlooking S edge of creek. 303 Comment
  JEPS94341  Sidalcea hartwegii Vernon H. Oswald and Lowell Ahart 1997-5-14 8426 Tehama 0.4 mi nw of the Middle Fork Antelope Creek (5.7 mi se of Plum Creek Road, between Paynes Creek and Cohasset on Ponderosa Way (Forest Road 28N29)); Ponderosa Way 981 Comment
  UC1949062  Sidalcea malviflora subsp. laciniata Barbara Ertter 1991-5-18 9827 Tehama Rosewood ranch of Salt Creek ca 17 airmiles WNW of Red Bluff; ca 1/2 mi S of Hwy 36 along creek Comment
  JEPS117347  Silene antirrhina Lowell Ahart, John Dittes 2010-7-17 16873 Tehama Near the fence, about 100 yards southeast of the pond, Soap Creek Ranch, about 4.8 miles (air) southeast of Manton, about 2 miles (air) north of Highway 36 819 Comment
  JEPS94402  Silene antirrhina Vernon H. Oswald and Lowell Ahart 1997-5-14 8458 Tehama between Mill and Deer Creeks on Ponderosa Way (Forest Road 28N29) at Moak Trailhead, on e side of the road Moak Trailhead; , Ponderosa Way 1121 Comment
  JEPS50974  Silene californica W. L. Jepson 1899-4-25 Tehama Stivers' Ranch 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
  CAS-BOT-BC136292  Silene douglasii John Thomas Howell 1960-8-19 36138 Tehama Brokeoff Mt. Trail 2438 Comment
  UCD98601  Silene douglasii var. douglasii John Thomas Howell 1960-8-19 36138 Tehama Lassen Volcanic National Park; Brokeoff Mountain Trail. 2438 Comment
  CHSC101576  Silene gallica David Isle 1989-4-20 1618 Tehama Red Bluff Diversion Dam area; east of Sacramento River diversion. Comment
  CHSC71033  Silene gallica Vernon Oswald; Lowell Ahart 1998-5-14 9039 Tehama Hwy. 36 west of Red Bluff, 1.3 mi west of Cannon Rd. At roadside. 274 Comment
  CHSC92799  Silene gallica John Dittes; Josephine Guardino 2005-4-13 1063 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
  CHSC28841  Silene laciniata subsp. californica D. L. Daniels 1979-4-12 20 Tehama Ca. 50 ft s of Red Bank Creek, 2 ft s of Red Bank Rd., 13 mi sw of Red Bluff. Comment
  CAS-BOT-BC389282  Silene lemmonii Mrs. H. C. Cantelow 1938-7-5 2416 Tehama 5.5 mi. s.w. of Jct. Hy 32. Deer Creek-Loma-Chico from Chester 1280 Comment
  RSA90833  Silene lemmonii Milo S. Baker, H. K. Wagnon 1953-7-11 12821 Tehama 3 miles beyond Whitlock Camp. 1524 Comment
  CHSC61419  Silene occidentalis subsp. occidentalis Vernon H. Oswald; Lowell Ahart 1993-8-18 5851 Tehama Lassen Volcanic National Park. E slope of Mt. Conard near the S boundary of the park, W of Spencer Mdw. 2057 Comment
  JEPS53879  Sisymbrium officinale W. L. Jepson 1932-5-9 16326 Tehama Paskenta, w Tehama County Paskenta 304 Comment
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Jul 1 2009
  UCD80174  Sisymbrium officinale CNPS SN Foothill Team 2005-5-10 SNFN 0163 a Tehama TNC Dye Creek Preserve, along Dye Creek, about 2 miles (?) southeast of the TNC field station. 113 Comment
  SBBG1138  Sisyrinchium bellum H. and M. Dearing 1938-6-20 2075 Tehama marshy spots near Deer Crk 1219 Comment
  JEPS103321  Smilacina stellata Lowell Ahart 2002-6-29 9810 Tehama On the S side of the upper E branch of Colby Creek, ca 1/8 mile E of Colby Mountain Lookout Road, ca 1 3/4 miles (air) E of Colby Mountain, ca 5 1/2 miles (air) NE of Butte Meadows. 1595 Comment
  CHSC84306  Smilax californica Lowell Ahart; John Dittes 2003-6-11 10271 Tehama On the west side of Battle Creek, about 1 mile north of Manton Road, about 1 1/2 miles (air) northeast of the Colman Power House, about 5 miles (air) west-southwest of Darah Springs State Fish Hatchery, about 10 miles (air) east-northeast of Cottonwood. 153 Comment
  CHSC105653  Solanum americanum Lowell Ahart; John Dittes 2010-10-4 17296 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
  CHSC113004  Solanum rostratum Lowell Ahart 2013-8-2 18982 Tehama Gravel bar on the south side of Burris Creek, strand of Black Butte Reservoir, about 1 1/2 miles southwest of the Dam, about 12 miles (air) northwest of Orland. 135 Comment
  CAS-BOT-BC58510  Solanum umbelliferum R. Bacigalupi 1934-5-29 2408 Tehama Mendocino National Forest. Along Covelo-Paskenta road, between Eel River Ranger Station and Low Gap Ranger Station. About 17 miles E of Covelo. Comment
  CDA7131  Solidago californica L. Ahart 2003-8-11 10493 Tehama On the west side of road M2, about 9 miles west of Paskenta. Comment
  CDA8719  Solidago californica L. Ahart, S. M. Hillaire 2004-7-9 11215 Tehama Along the sides of the Mill Creek Trail (4E10), north of Mill Creek, about 1/4 mile west of the Black Rock, Black Rock Campground, and Ponderosa Way (Forest Road 28N29), about 26 miles (air) east of Red Bluff. Comment
  UCR123335  Solidago canadensis subsp. elongata George K. Helmkamp, Elizabeth Helmkamp 2001-7-7 6887 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
  JEPS32434  Solidago velutina subsp. californica W. L. Jepson 1929-9-30 15333 Tehama Manton 426 Comment
  CHSC90414  Sonchus asper Niall McCarten; Roxanne Bittman 1986-6-14 5330 Tehama Mendocino National Forest--North Coast Ranges. Thomes Creek Watershed. 0.25 mi. W of jct. Rd. 25N41 and 25N32. Comment
  CHSC87903  Sonchus asper subsp. asper Lowell Ahart 2004-6-11 11042 Tehama On the southwest margin of Dead Rabbit Lake, about 100 yards west of the Nomalaki Trail, about 1 1/2 miles northwest of Bowers Creek, about 2 1/4 miles northwest of Forest Road 23N69 (Mud Flat Road), about 8 miles (air) southwest of Paskenta. 545 Comment
  CHSC62000  Sorbus californica Vernon H. Oswald 1993-9-7 5924 Tehama Lassen Volcanic National Park. Lassen Hwy. (Hwy. 89) ca. 0.1 mi N of the park boundary. Along a drainage above the road. 2011 Comment
  JEPS127109  Sorbus californica Lowell Ahart, John Dittes, Josephine Guardino 2016-9-21 21369 Tehama About 100 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, Comment
  JEPS116115  Sparganium emersum subsp. emersum Lowell Ahart, John Dittes, Josephine Guardino 2009-8-27 16348 Tehama West side of pond, on the east side of Forest Service Road 29N25A, Childs Meadows, about 2,600 feet south of the intersection of Highway 36 (89) and Forest Service Road 29N25A, 2.3 miles (air) northeast of the town of Mill Creek, 9.1 miles (air) south of 1493 Comment
  CHSC40719  Spergularia bocconi Pauleen Broyles 1983-4-14 889 Tehama The Nature Conservancy Vina Plains Preserve. Near irrigation ditch w of barn. 60 Comment
  CHSC94366  Spergularia rubra Lowell Ahart 2006-7-19 13023 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