Search Results — 2000 specimen records retrieved (1577 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/consortium/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC77983  Abies concolor John Thomas Howell 1960-8-19 36141 Tehama Brokeoff Mt. Trail 2590 Comment
  CHSC24166  Abies magnifica C. E. Stopher 1976-2-1 4 Tehama 8.7 km n of jct. Hwy. 99 and Hwy. 36 on Hwy. 89. On s side of road 100 m from road. 2000 Comment
  SEINET5334438  Abies magnifica T. Kerstetter 1956-4-27 s.n. Tehama Calif. Highway 36, 3 miles west of Lassen Nat. Park Turnoff. 1524 Comment
  SEINET5334441  Abies magnifica W. Priest 1956-4-26 s.n. Tehama Hwy. 36, about 3 miles west of Lassen Natl. Park turnoff. 1524 Comment
  CHSC31467  Acer glabrum var. torreyi J. D. Jokerst 1979-7-16 287 Tehama Along side of Forest Service Trail 3E12 (Turner Mountain) 1.0 mi. W. of trailhead. Comment
  UCD128361  Achillea millefolium J. M. Tucker; L. K. Mann 1959-7-19 3544 Tehama South Yolla Bolly Mountain. 2465 Comment
  CAS-BOT-BC18756  Achillea millefolium Alice Eastwood; J. T. Howell 1941-7-9 9761 Tehama Log Spring Ridge between Log Spring and Government Flat Comment
  CAS-BOT-BC18757  Achillea millefolium P. A. Munz 1951-7-18 16626 Tehama n. slope of North Yolla Bolly Peak. line of Tehama-Trinity County 1981 Comment
  JEPS102493  Achnatherum lemmonii Lowell Ahart 2001-6-8 8797 Tehama On the west side of road M2, about 9 miles west of Paskenta. 792 Comment
  RSA756339  Achnatherum lemmonii Barbara Ertter 1990-5-12 8934 Tehama Northwest side of Dry Fork Creek northwest of junction of Highway 36 and Route A5 (Bowman Road) about 15 air miles west-northwest of Red Bluff, on Reed property. 183 Comment
  UC1738960  Achnatherum lemmonii Dean Wm. Taylor with Glenn Clifton 1992-8-22 13198 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
  UCD36250  Achnatherum lemmonii Beecher Crampton 1953-5-1 1203 Tehama Tehama County, 5 miles north of Red Bluff, along US 99. Comment
  UCD80497  Achnatherum lemmonii CNPS SN Foothill Team 2005-6-29 SNNR 0424 Tehama USFS Lassen National Forest, above Deer Creek in the Ishi Wilderness. 491 Comment
  SEINET7593349 Image available Achnatherum lemmonii George W. Gillett 1957-8-18 1103 Tehama Lassen Volcanic National Park, Brokeoff Mountain. Lower portion of the Brokeoff Trail, about 1/4- mile above the Sulphur Works Checking Station. 2103 Comment
  CHSC88878  Achnatherum nelsonii subsp. dorei L. P. Janeway; Robert F. C. Naczi 2004-7-24 8184 Tehama High Cascade Range. Humboldt Summit; gentle south-facing slope just off the top. 2018 Comment
  CAS-BOT-BC210877  Achnatherum occidentale subsp. californicum Mary S. Clemens 1920-7-30 9 Tehama Mineral Comment
  SEINET232903  Achnatherum occidentale subsp. californicum L. R. Firestone, H Firestone 1983-8-10 8333 Tehama CA 136 and 89 2.35 miles east of junction of *( and 36. 1554 Comment
  UC641635  Achnatherum occidentale subsp. californicum G. L. Stebbins Jr. 1939-7-10 2942 Tehama 2 mi w Childs Meadow (in deep woods) 1889 Comment
  CHSC105904  Achnatherum occidentale subsp. occidentale B. Castro; L. P. Janeway 1999-8-23 1034 K 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. 1999 Comment
  CHSC63232  Achnatherum stillmanii Lowell Ahart 1994-7-24 7523 Tehama About 2 miles (by road) north-west of Willow Creek, about 2 1/2 (air) miles north of Cherry Hill. 1676 Comment
  RSA700500  Achnatherum stillmanii L. P. Janeway, B. Castro 2004-5-30 8127 Tehama High Cascade Range. Moderate south-facing slopes near top of small ridge along road 27N08 above Lower Deer Creek Falls. 1170 Comment
  CHSC57342  Achyrachaena mollis Gail A. Bufton 1990-4-24 21 Tehama Ca. 16 mi n of Chico and ca. 2 mi w of Hwy 99. Vic. Roles and Vadney Rds. 60 Comment
  JEPS36726  Achyrachaena mollis Virginia Bailey 1938-4-16 Tehama 6 mi w on Paskenta-Covelo road Paskenta Comment
  SEINET957346  Acmispon denticulatus C. B. Wolf 1937-1 8693 Tehama Northern Sierra Navada foothills, Red Bluff Susanville road, 4 2/10 MI. Below paynes creek P. O. 244 Comment
  CHSC88563  Acmispon nevadensis var. nevadensis L. P. Janeway 2001-6-10 7148 Tehama High North Coast Ranges. Slope above Road 28N10, 1.1 km northeast of Stuart Gap. Upper minor side drainage into South Fork Beegum Creek. 1515 Comment
  CHSC3934  Acmispon parviflorus D. F. Johnson 1967-3-9 14 Tehama Occasional on hilltops and hillsides. Ca. 100 yds. north of Johnson Rd. ca 10 mi. west of Red Bluff. 170 Comment
  JEPS75787  Aconitum columbianum Todd and Virginia Keeler-Wolf 1971-7-16 320 Tehama 1/4 mi. n.e. Shell Mt.; Yolla Bolly Mts. 1889 Comment
  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-BC391372  Aconitum columbianum subsp. columbianum John Thomas Howell 1960-8-18 36077 Tehama Near Lassen Volcanic National Park. Bluff Falls 1981 Comment
  CHSC90905  Aconogonon davisiae Niall F. McCarten; Roxanne L. Bittman 1986-6-15 5482 Tehama Mendocino National Forest; North Coast Ranges; Thomes Creek Watershed. 'Ovenlid.' South side Forest Road 25N29. 2011 Comment
  UCD150451  Aconogonon davisiae William Anderson 1963-7-21 s.n. Tehama Lassen Park. 2438 Comment
  CHSC117737  Adenocaulon bicolor Lowell Ahart; John Dittes, Josephine Guardino 2016-9-21 21353 Tehama A little east of the large bog, about 300 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. 1474 Comment
  JEPS118001  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
  UC1584302  Ageratina occidentalis Julie Kierstead 1990-9-11 90 -156 Tehama 3 m ssw Tedoc Mtn.; Yolla Bolly R. D. 1524 Comment
  CAS-BOT-BC13243  Agoseris monticola J. T. Howell 1960-8-19 36122 Tehama Lassen Volcanic National park, Brokeoff Mt Trail 2346 Comment
  CHSC115527  Agoseris monticola Lowell Ahart; John Dittes 2015-8-5 20426 Tehama Between wet meadow and dry forest, east of Childs Meadow, 150 yards west of Highway 36, 0.69 air-miles northwest of intersection of State Highway 36 and Wilson Lake Road (County Road 769), 1/2 air-miles east of Doe Mt., 9.77 air-miles south of Lassen Peak. 1498 Comment
  CAS-BOT-BC13183  Agoseris monticola George W. Gillett 1957-8-13 1059 Tehama Lassen Volcanic National Park. Brokeoff Mountain, ca. 1.5 miles from Sulpher Works Checking Station near Brokeoff Trail 2286 Comment
  CHSC59151  Agrostis exarata Vernon H. Oswald 1992-8-19 5165 Tehama Jeep trail passing beneath the ski lift at the top of the ski slope on the W side of Lassen Hwy., ca. 0.5 mi NW of the Southwest Entrance Station. Lassen Volcanic National Park. 2194 Comment
  CDA12943  Agrostis hendersonii G. F. Hrusa 1996-5-2 12909 Tehama Central Valley; Small colony in bottom of vernal pool near corner of Paskenta Rd. and Ottman Ave (Dusty Way). Pool dry at this time. Deep, claypan pools with flat bottoms, dry rapidly. Annual. Comment
  CHSC66220  Agrostis hendersonii Vernon H. Oswald; Lowell Ahart 1996-6-3 7718 Tehama Cascade Range Foothills. Hog Lake Plateau. BLM parcel along Hwy. 36 NE of Red Bluff. On the E side of Paynes Creek at the Sacramento River. 1021 Comment
  CHSC76078  Agrostis hendersonii G. F. Hrusa; J. Hart 1998-5-10 14408 Tehama Above the S. side of Coyote Creek, Coyote Creek Conservation Area, approx. 1 mi. W of Paskenta Rd. 100 Comment
  CAS-BOT-BC139346  Agrostis idahoensis Douglas Barbe 1955-7-17 217 Tehama At Cold Spring Camp. 1889 Comment
  JEPS100558  Agrostis microphylla Dean W. Taylor 1991-5-8 11683 Tehama Truckee Creek, near the western end of Tehama Avenue along Rawson Road (ca. 5 miles W of Gerber) 94 Comment
  CHSC102633  Agrostis scabra Lowell Ahart; John Dittes, Josephine Guardino 2009-8-27 16342 Tehama About 100 yards east of Forest Service Road 29N25A, Childs Meadows, about 2600 ft south of the intersection of Highway 36 (89) and Forest Service Road 29N25A, 2.3 miles (air) northeast of the town of Mill Creek, 9.1 miles (air) south of Lassen Peak. In area between Sec 23 SE1/4 and Sec 24 SW1/4. 1493 Comment
  CHSC65356  Agrostis scabra Lowell Ahart 1995-10-3 7664 Tehama Along Willow Creek, about 1 3/4 miles (air) north-east of Jonesville, about 6 1/2 miles (air) north-east pf Butte Meadows. 1645 Comment
  JEPS110378  Agrostis stolonifera Lowell Ahart 2006-9-9 13267 Tehama On the east bank of Colby Creek, about 150 yards west of the dirt road, about 2 miles (air) southeast of Colby Mountain, about 5 miles (air) northeast of Butte Meadows 1525 Comment
  RSA724824  Agrostis stolonifera L. Ahart 2006-9-9 13253 Tehama west side of Colby Creek, west of the dirt road, south of the large man made piles of soil and rock, about 1 3/4 miles (air) southeast of Colby Mountain. about 4 3/4 miles (air) northeast of Butte meadows. 1504 Comment
  RSA724869  Agrostis stolonifera L. Ahart 2006-9-9 13267 Tehama on the east bank of Colby creek, about 150 yards west of the dirt road, about 2 miles (air) southeast of Colby mountains, about 5 mile (air) northeast of Butte Meadows. 1526 Comment
  JEPS28279  Agrostis thurberiana George W. Gillett 1957-8-18 1098 Tehama about 0.25 mi above Sulphur Works Checking Station (lower portion of Brokeoff Mountain Trail); Lassen Volcanic National Park, Brokeoff Mountain 2103 Comment
  JEPS113236  Aira caryophyllea Lowell Ahart, John Dittes, Josephine Guardino 2007-4-3 13628 Tehama On the east side of Brush Creek (a north branch), about 4 miles (air) northeast of the intersection of Highway 99 East and Vina Road, about 7 miles (air) southeast of Los Molinos 112 Comment
  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
  CDA15427  Allium amplectens G. F. Hrusa, J. Hart 1998-5-1 14405 Tehama Sacramento Valley; Ridge approx. 1/4 mi. S of Coyote Creek, Coyote Creek Conservation Area, and ~1 mi. W of Paskenta Rd nr. lower el. limit of Quercus douglasii woodland. 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
  CHSC84260  Allium amplectens Lowell Ahart; John Dittes 2003-6-11 10270 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
  CHSC84667  Allium amplectens Samantha Mackey Hillaire; Brian Elliott 2003-5-31 330 Tehama Lassen National Forest, Ishi Wilderness. North side of Ishi Wilderness at the Rancheria Creek Trailhead. Near the trailhead. 978 Comment
  CHSC9259  Allium amplectens D. C. Burns 1971-4-6 126 Tehama Abundant along Lassen rd., ca. 5 yds n of rd. and ca. 0.4 mi e of the intersection of Lassen rd. and highway 99E. 76 Comment
  RSA93502  Allium amplectens Milo S. Baker, H. K. Wagnon 1953-5-31 12726 Tehama Logging road west of Paskenta near 5 mi. post. Comment
  SEINET12047243  Allium amplectens P. L. Lester 1980-1 18 Tehama 5 yds S of Lassen Rd, 2.1 mi E of Hwy 99, 1 mi N of Singer Cr, 10 mi NW of Chico 70 Comment
  JEPS33078  Allium campanulatum W. L. Jepson 1897-7-24 Tehama South Yallo Balley summit Comment
  UC1037358  Allium campanulatum Douglas Barbe 1955-7-16 189 Tehama near summit of SOuth Yolla Bolly 2438 Comment
  UC1299314  Allium campanulatum Freed W. Hoffman 1947-6-20 1682 Tehama near Government Flat Comment
  CHSC70918  Allium cratericola Vernon Oswald; Lowell Ahart 1998-4-27 8974 Tehama Pettyjohn Rd. 1.0 mi west of its junction with the east end of Hammer Loop Rd., west of Red Bluff and southeast of Platina. 786 Comment
  JEPS13260  Allium falcifolium Rimo Bacigalupi with G. T. Robbins, K. Wagnon, and D. Barbe 1955-7-16 5315 Tehama about 1 mi e Mt. Linn summit; South Yolla Bolly Mountain 2286 Comment
  UC1299638  Allium falcifolium Freed W. Hoffman 1950-7-1 3237 Tehama flat 0.4 mi from Ball Rock 1981 Comment
  JEPS102313  Allium obtusum var. obtusum Vernon H. Oswald and Lowell Ahart 2001-5-7 10017 Tehama Forest Road 26N15 5.1 mi W of Hwy 32, betw. Soda Springs and Cohasset Ridge 972 Comment
  CHSC78940  Allium peninsulare var. peninsulare Julie Cunningham; Heidi West, Natalie Wight 1998-6-25 Tehama Vicinity of South Fork Cottonwood Creek, Dippingvat Flat, and Cooks Flat. 335 Comment
  UCD138592  Allium platycaule Dean W. Taylor 1976-7-9 6044 Tehama Headwaters of Cub Cr. 1859 Comment
  JEPS96564  Allium sanbornii var. sanbornii Dean W. Taylor 1997-7-24 16150 Tehama south canyon wall of South Fork Battle Creek 1310 Comment
  UC1520701  Allium siskiyouense R. Raiche 1987-5-31 50487 Tehama Raglin Ridge Rd. 9.1 mi sw Colyear Spr. Rd.; Raglin Ridge Comment
  CHSC7128  Allophyllum gilioides subsp. violaceum D. Hardin 1969-4-28 4 Tehama Ca. 2.5 mi into Mendocino National Forest on Round Valley Road, ca. 15-20 yards on e side of road. Comment
  CHSC75293  Allophyllum gilioides subsp. violaceum Vernon H. Oswald; Lowell Ahart 1999-4-21 9706 Tehama High Trestle-McClure Place Trail starting on Hogback Road ca. 0.5 mi northeast of Finley Lake. 731 Comment
  CHSC90880  Alopecurus pratensis D. Isle 1995-6-20 204 Tehama Mendocino National Forest--North Coast Ranges. Thomes Creek Watershed. Mud Flat Campground (23N25A). 633 Comment
  HSC41103  Alopecurus pratensis J. P. Smith, J. O. Sawyer 1973-4-14 6070 Tehama Lassen Rd., E of Hwy. 99 near Vina Comment
  CDA15855  Alopecurus saccatus G. F. Hrusa, J. Hart 2000-4-8 15299 Tehama Sacramento Valley; Coyote Creek Conservation Area. Comment
  JEPS118006  Alopecurus saccatus Lowell Ahart, John Dittes 2011-6-9 17434 Tehama Rio De Los Molinos Land Grant. Bottom of a large vernal pool, sand dune area, about 100 yards south of fence, 1.6 miles (air) east of Highway 99, 2.4 miles (air) north of Vina 80 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
  CHSC59167  Amaranthus blitoides Vernon H. Oswald 1992-9-29 5221 Tehama Hwy. 89 At Bluff Falls, 0.8 mi S of the boundary of Lassen Volcanic National Park. 1972 Comment
  UC575022  Amelanchier alnifolia var. pumila C. Epling and Wm. Robison 1935-7-16 Tehama near Mineral Comment
  CHSC55580  Amelanchier pallida K. R. Stern 1986-5-21 8313 Tehama Deer Creek Meadows, 1 mi SE of jct hwys 32 and 36. 1402 Comment
  HSC90023  Amsinckia intermedia Andrew Enberg, Brad Penkala, Dan Scofield 1990-3-31 19 Tehama Tedoc Rd., at its intersection with Hwy. 36 549 Comment
  HSC95160  Amsinckia intermedia Todd Bouchier, Kathleen Gifford, Cameron Williams 1999-4-17 22 Tehama Beegum Gorge, S side of Hwy. 36 430 Comment
  CHSC55191  Amsinckia lycopsoides L. P. Janeway 1991-4-18 3902 Tehama Battle Creek Wildlife Area. Tablelands on south side of and above Battle Creek, ca 1 1/2 mi east of the Sacramento River. 152 Comment
  CHSC96607  Amsinckia lycopsoides 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
  CHSC64506  Amsinckia menziesii Vernon H. Oswald 1995-3-27 6544 Tehama Cascade Range Foothills. Dales Lake Ecological Preserve. W side of Manton Rd. (A6) ca. 1 mi n of Dales Station on Hwy. 36, ca. 14 mi ne of Red Bluff. At the intersection of Manton and Inks Creek rds. 213 Comment
  CHSC79698  Amsinckia menziesii L. P. Janeway; B. Castro 2000-4-21 6668 Tehama High Cascade Range. North side of Mill Creek 2.1 km east of Black Rock and Ponderosa Way. 716 Comment
  CHSC48683  Anemone drummondii Vernon Oswald 1986-7-24 2240 Tehama Near the summit of Brokeoff Mountain Trail, Lassen Volcanic National Park. 682 Comment
  UC1036146  Anemone drummondii George W. Gillett 1953-7-3 263 Tehama 0.25 mi. above Diamond Point (near Diamond Peak, above rd.); Lassen Volcanic Nat'l Park 2255 Comment
  CAS-BOT-BC391824  Anemone drummondii George W. Gillett 1953-7-3 263 Tehama Lassen Volcanic National Park. 0.25 mile above Diamond Point. Near Diamond Peak 2255 Comment
  UC329987  Anemone occidentalis unknown Tehama Red Bluff Comment
  CAS-BOT-BC271414  Anisocarpus scabridus Clare B. Hardham 1971-8-10 18321 Tehama South Yolla Bolly Mountain 2438 Comment
  CAS-BOT-BC271415  Anisocarpus scabridus John Thomas Howell 1943-8-8 19174 Tehama Anthony Peak Comment
  JEPS13523  Anisocarpus scabridus Rimo Bacigalupi with G. T. Robbins, K. Wagnon, and D. Barbe 1955-7-16 5330 Tehama 0.25 mi e and about 150 ft below Mt. Linn (summit of Yolla Bolly Mountain); South Yolla Bolly Mountain 2407 Comment
  HSC95722  Antennaria argentea Vernon H. Oswald, L. Ahart 1997-7-7 8689 Tehama USFS Rd. 27N26 0.8 mi. W of its junction with 27N06; W of Saddle Campground, near the NE corner of the Yolla Bolly-Middle Eel Wilderness 1067 Comment
  UCD149552  Antennaria dimorpha G. L. Stebbins 1972-8-18 s.n. Tehama Summit of Little Red Mountain. (Exact location unknown. Coordinates estimated by label maker.) 1493 Comment
  CHSC56270  Antennaria rosea subsp. rosea K. R. Stern 1986-5-21 8292 Tehama Deer Creek Meadows, 1 mi SE of jct hwys 32 and 36. 1402 Comment
  CHSC66208  Antirrhinum cornutum Vernin H. Oswald; Lowell Ahart 1996-6-3 7700 Tehama Hog Lake Plateau. BLM parcel along Hwy. 36 NE of Red Bluff. Cascade Range Foothills. 103 Comment
  CDA41209  Antirrhinum subcordatum L. Ahart 2004-6-11 11019 Tehama West of the Nomalaki Trail, about 100 yards north of Bowers Creek, about 3/4 mile northwest of Forest Road 23N69 (Mud Flat Road), about 6 1/2 miles (air) southwest of Paskenta. Comment
  CHSC104050  Antirrhinum subcordatum Barbara Ertter 1991-5-18 9842 Tehama Rosewood Ranch on Salt Creek ca 17 airmiles WNW of Red Bluff, ca 1/2 mi S of Hwy 36 along creek. 243 Comment
  CHSC110171  Antirrhinum subcordatum Daniel Slakey; CNPS volunteers 2012-5-22 11 Tehama 435 Comment
  CHSC80695  Antirrhinum subcordatum Lowell Ahart 2001-6-14 8822 Tehama On the west side of road M2, about 7.5 miles west of Paskenta. 579 Comment
  JEPS101526  Antirrhinum subcordatum Dean W. Taylor 1997-5-29 16003 Tehama Slopes north of Toomes Camp Road about 6 road miles west of Paskenta 487 Comment
  UC1949179  Antirrhinum subcordatum Barbara Ertter 1991-5-18 9842 Tehama Rosewood Ranch on Salt Creek ca 17 airmiles WNW of Red Bluff, ca 1/2 mi S of Hwy 36; steep S-facing side of ridge S of pasture Comment
  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
  UC1748291  Antirrhinum vexillocalyculatum subsp. breweri L. P. Janeway 1999-8-4 6513 Tehama Along Hwy. 36, 100 m E of Paynes Creek Road 579 Comment
  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
  HSC74945  Apocynum androsaemifolium J. P. Smith, Thomas W. Nelson 1979-6-23 10164 Tehama Shasta-Trinity National Forest, Tedoc Gap 1373 Comment
  SBBG25827  Apocynum androsaemifolium D. Myrick 1966-8-6 1455 Tehama Dry Lake, South Yolla Bolly Mtn 1524 Comment
  CHSC77913  Apocynum cannabinum Beth Hendrickson; Jean Witzman 1999-5-21 Tehama Vicinity of South Fork Cottonwood Creek. 320 Comment
  CHSC87901  Apocynum cannabinum Lowell Ahart 2004-6-11 11040 Tehama On the southwest margin of Dead Rabbit Lake, about 100 yards west of the Nomalaki Trail, about 1 1/2 miles northwest of Bowers Creek, about 2 1/4 miles northwest of Forest Road 23N69 (Mud Flat Road), about 8 miles (air) southwest of Paskenta. 545 Comment
  CHSC88509  Apocynum cannabinum Jenny Marr; Beth Hendrickson 1999-5-27 Tehama Vicinity of Long Hollow, Grizzly Creek, and Bluedoor Flat, and Red Bank Creek. Along the creek. 289 Comment
  UC2031486  Aquilegia formosa Barbara Ertter with Brad Olson 1991-7-4 10285 Tehama Ball Rock/Toomes Camp Road (M2) 0.6 mi N of Trough Ridge junction, 19.4 mi from Paskenta, ca 3.5 air miles S of Ball Rock ca 28 air miles W of Corning Comment
  CHSC65756  Arabidopsis thaliana Vernon H. Oswald; Lowell Ahart 1996-4-8 7320 Tehama Cascade Range Foothills. Hog Lake Plateau. BLM parcel along Hwy. 36 NE of Red Bluff. On the E side of Paynes Creek ca. 0.4 mi downstream from the former bridge site on the gravel road. 106 Comment
  HSC103780  Arabis Thomas W. Nelson 1986-5-24 8091 Tehama Along Forest Service Road M-4 (23N02), ~ 4 mi. from Paskenta. 671 Comment
  RSA0129804  Arabis platysperma P. A. Munz 1951-7-26 16953 Tehama S slope of South Yolla Bolly Peak. 2317 Comment
  HSC6570  Arabis puberula Louise Kellogg 1952-7-12 30 Tehama S Yolla Bolly Mtns., Middle Eel-Yolla Bolly Primitive Area 2439 Comment
  CAS-BOT-BC17381  Arabis pycnocarpa var. pycnocarpa P. A. Munz 1951-7-26 16942 Tehama South Yolla Bolly Peak. Square Lake, north base. 2133 Comment
  JEPS90267  Arabis subpinnatifida Dean W. Taylor 1972-6-17 1510 Tehama on Mount Tedoc Mount Tedoc 1371 Comment
  SEINET3081614 Image available Aralia californica F. C. Vasek 1964-8-5 640805 -1 Tehama White Rock Road 8.2 mi from State 36 1219 Comment
  UCR3730  Aralia californica Frank C. Vasek 1964-8-5 640805- 01 Tehama North Coast Range, White Rock Rd., 8.2 mi from [west of] State Hwy 36 732 Comment
  UC1078849  Arceuthobium americanum Job Kuijt 1957-5-21 1357 Tehama 15 mi w Hwy 36 - Hwy 89 junction at Lake Almanor Comment
  CDA22353  Arceuthobium occidentale L. Ahart 2001-6-14 8841 Tehama About 100 yards north of road M2, and west of the poor dirt road that is used to service the power poles, about 8.5 miles west of Paskenta. Comment
  UC708947  Arctostaphylos X candidissima Milo S. Baker 1943-8-8 10641 Tehama halfway between Government Flat and Log Spring Ranger Station (near type locality) 1676 Comment
  HSC70138  Arctostaphylos canescens subsp. canescens Thomas W. Nelson, Jane P. Nelson, J. P. Smith 1978-7-22 4464 Tehama At jct. of Tedoc Rd. and road to summit of Mt. Tedoc 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
  CHSC48368  Arctostaphylos canescens subsp. sonomensis Vernon Oswald 1986-4-1 1064 Tehama Rd. 23N05 0.3 mi S of Round Valley Rd. (M4). 1021 Comment
  RSA201463  Arctostaphylos manzanita J. T. Howell 1960-7-24 35998 Tehama 8 miles west of Mineral. 1220 Comment
  SEINET11995496  Arctostaphylos manzanita subsp. elegans Unknown 1986-1 60206 Tehama W of Paskenta, near Eagle Peak Lookout, road to Eagle Peak, ca 1 mi short of lookout 1036 Comment
  CAS-BOT-BC38666  Arctostaphylos manzanita subsp. manzanita Carl B. Wolf 1937-5-15 8687 Tehama Inner North Coast Range. 1 mi. above Cedar Spring on Paskenta - Covelo Road 1219 Comment
  CAS-BOT-BC38667  Arctostaphylos manzanita subsp. manzanita Carl B. Wolf 1937-5-15 8687 Tehama Inner North Coast Range. 1 mi. above Cedar Spring on Paskenta - Covelo Road 1219 Comment
  RSA20903  Arctostaphylos manzanita subsp. manzanita C. B. Wolf 1937-5-15 8686 Tehama 1 mi. above Cedar Spring on Paskenta - Covelo Road. 1220 Comment
  RSA20904  Arctostaphylos manzanita subsp. manzanita C. B. Wolf 1937-5-15 8687 Tehama 1 mi. above Cedar Spring on Paskenta - Covelo Road. 1220 Comment
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Jul 20 2009
  UC1039821  Arctostaphylos manzanita subsp. manzanita O. C. Olson 1956-2-13 33 Tehama two mi sw Steamboat Point; Quad 40 B-1 548 Comment
  UC704290  Arctostaphylos manzanita subsp. manzanita Frank A. Pitelka 1943-6-15 205 Tehama 2 mi se Beegum 502 Comment
  RSA256978  Arctostaphylos manzanita subsp. roofii Gary D. Wallace 1975-8-24 1497 Tehama Mendocino N. F. along F.S. Rd. 23N06 2 mi. W. of Davies Ridge, near head of Scott Ck. 1372 Comment
  CHSC100105  Arctostaphylos manzanita subsp. wieslanderi James I. Mallory 1970-4-1 372 Tehama Base of Inskip Hill, just west of Paynes Creek. 609 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-BC39993  Arctostaphylos nevadensis Alice Eastwood; John Thomas Howell 1941-7-10 9852 Tehama Anthony Peak Comment
  SBBG5454  Arctostaphylos nevadensis subsp. nevadensis H. and M. Dearing 1938-6-23 2121 c Tehama between Lassen Nat Park and Mineral Comment
  CAS-BOT-BC44479  Arctostaphylos patula John Thomas Howell 1943-8-8 19212 Tehama Log Spring Ridge, 1.1 miles west of Ranger Station Comment
  CAS-BOT-BC44483  Arctostaphylos patula John Thomas Howell 1960-8-18 36046 Tehama Bluff Falls, near Lassen Volcanic National Park 1981 Comment
  JEPS98872  Arctostaphylos patula James Roof 1962-4-19 Tehama 0.3 mi [ ] of Log Springs Ranger Station (Log Springs Ridge) Comment
  RSA31746  Arctostaphylos patula A. A. Heller 1942-2-23 16382 Tehama 6 miles East of Payne Creek Post Office. Comment
  RSA31748  Arctostaphylos patula A. A. Heller 1942-2-23 16380 Tehama Top of grade east of the Paynes Creek Highway Maintenance Station. Comment
  RSA40228  Arctostaphylos patula J. T. Howell 1943-8-8 19212 Tehama Log Spring Ridge, 1.1 miles W of Ranger Station Comment
  SBBG128034  Arctostaphylos patula L. Ahart, J. Dittes 2010-7-17 16878 Tehama ca. 50 yards E of the gate, ca. 90 yards E of the barn, Soap Crk Ranch, ca. 4.8 mi SE of Manton, ca. 2 mi N of Hwy 36 829 Comment
  UC1052006  Arctostaphylos patula R. A. Manning 1954-2-18 1 Tehama Plum Creek rd six mi e Payne Creek; Lassen National Forest 975 Comment
  UCD53315  Arctostaphylos patula F. E. Todd 1935-5-16 s.n. Tehama Near Mineral. Comment
  UCD80281  Arctostaphylos patula CNPS SN Foothill Team 2005-6-21 SNNR 0330 a Tehama USFS Lassen National Forest, at the top of Mill Creek ridge. 1158 Comment
  CHSC24700  Arctostaphylos viscida J. R. Neslon 1976-3-6 9 Tehama Large population ca 10 mi W of Paskenta at Mud Flat Camp. 487 Comment
  CHSC102314  Arctostaphylos viscida subsp. viscida L. P. Janeway; B. Castro 2009-4-25 9774 Tehama Cascade Range Foothills. Tehama Wildflife Area; top of ridge between Little Antelope Creek and Mill Creek; southern end of Powerline Road at Rock Wall; 1.8 km east-northeast of Dewitt Peak. 640 Comment
  CHSC80190  Arctostaphylos viscida subsp. viscida L. P. Janeway 1999-6-26 6485 Tehama Cascade Range Foothills. Along Laynes Valley Road 6.3 km northwest of Hwy 36 and 4.7 km south of Battle Creek. 434 Comment
  CHSC88812  Arctostaphylos viscida subsp. viscida Pat Sater 2001-3-20 Tehama Tehama Wildlife Area. At the Rock Wall, on Powerline Road. UTM: 10 0591363 E, 4446370 N. 640 Comment
  UC499239  Arctostaphylos viscida subsp. viscida H. F. Stivers 1900-1 Tehama Rosewood Comment
  UCD56432  Aristida oligantha A. A. Beetle 1942-8-5 3810 Tehama south of Dales on Rt. 36. Comment
  SEINET11696016  Aristida oligantha W. A. Williams 1955-10-29 s.n. Tehama 12 mi W of Corning Comment
  JEPS97300 Image available Aristida purpurea var. wrightii Vernon H. Oswald and L. Ahart 1995-6-13 6862 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 Hwy. 36 at Dales Station, ca. 14 mi ne of Red Bluff. Small part of an uncommon tufted perennial 225 Comment
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Jul 23 2009
  HSC48276  Aristolochia californica J. O. Sawyer, Jane Cole 1979-3-11 3329 Tehama Woodson Bridge State Recreation Area, Hwy. A-9, Sacramento river flood plain 61 Comment
  RSA31740  Arnica dealbata A. A. Heller 1937-7-21 15932 Tehama At Sulphur Works, Lassen Volcanic National Park. Comment
  CHSC75347  Artemisia douglasiana Ben Myhre 1997-4-25 38 Tehama Dye Creek Preserve, 8 miles north of Los Molinos. About 1/4 mil west of the mouth of Dye Creek Canyon. 106 Comment
  CHSC77528  Artemisia douglasiana Heidi West; Caroline Warren, Jenny Marr 1998-8-27 Tehama Vicinity of Red Bank Creek and Sunflower Gulch. 289 Comment
  UCD129326  Artemisia ludoviciana J. M. Tucker 1962-7-29 3629 Tehama 3/4 mile north of Ovenlid, South Yolla Bolly Mountain, ca. 3 miles east of the summit. 1981 Comment
  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
  HSC74975  Asclepias cordifolia J. P. Smith, Thomas W. Nelson 1979-6-24 10193 Tehama Shasta - Trinity National Forest, 1 mi. from Stuart Gap on the road to Tedoc Gap. 1402 Comment
  CHSC64860  Asclepias eriocarpa Vernon H. Oswald 1995-6-30 6948 Tehama Cascade Range Foothills. Dales Lake Ecological Reserve. W side of Manton Rd. (A6) ca. 2.0 mi n of Hwy. 36 at Dales Station, ca. 14 mi ne of Red Bluff. 201 Comment
  CHSC40512  Asclepias fascicularis Pauleen Broyles 1982-8-11 836 Tehama Nature Conservancy Vina Plains Preserve. Adjacent to Sheep Camp Ditch, .6 km s of Lassen Road. 66 Comment
  HSC81962  Asclepias solanoana Thomas W. Nelson, Jane P. Nelson 1979-6-25 4887 Tehama Along road to Mt. Tedoc From Tedoc Gap 1494 Comment
  CHSC80533  Aspidotis densa Vernon H. Oswald; Lowell Ahart 2001-5-7 10025 Tehama Forest Road 26N15 8.2 mi west of Hwy 32, between Soda Springs and Cohasset Ridge. 1152 Comment
  UC1299769  Aspidotis densa Freed W. Hoffman 1950-7-3 3716 Tehama 1 mi ne of White Rock Guard Station (<western Guard Station>) Comment
  RSA67258  Aster brickellioides Philip A. Munz 1951-7-25 16890 Tehama Square Lake, N base of South Yolla Bolly Mountains 2134 Comment
  CHSC86059  Astragalus gambelianus Jenny Marr; Joyce Lacey-Rickert, Heidi West, Caroline Warren 1998-3-19 Tehama Vicinity of Garland Road (Newville Road) and Salt Creek. 228 Comment
  JEPS54654  Astragalus gambelianus W. L. Jepson 1899-4-25 13749 Tehama Crane Creek , Crane Creek (Stivers' Ranch) Comment
  POM204053  Astragalus gambelianus Alice Eastwood, John T. Howell 1934-4-22 1867 Tehama 4 miles e. of Paynes Creek. Comment
  UC862951  Astragalus gambelianus Lewis S. Rose 1934-4-22 34247 Tehama 4 mi e Paynes Creek Comment
  CHSC102331  Astragalus pauperculus L. P. Janeway; B. Castro 2009-4-25 9761 Tehama Cascade Range Foothills. Tehama Wildflife Area; top of ridge between Shaw Creek and Little Antelope Creek, just east of junction of Powerline Road and Cottonwood Jeep Trail. 628 Comment
  CHSC26712  Astragalus pauperculus Hayes 1978-4-8 149 Tehama On mima mounds around vernal pools, a few m w of north pool along Leininger road, approx. .8 mi ne of Hwy 99. 40 Comment
  CHSC40603  Astragalus pauperculus J. D. Jokerst 1983-5-10 1744 Tehama Top of the small bluff that is the south bank of Zimmershed Creek where its direction of flow changes from south to west. 103 Comment
  CHSC63965  Astragalus pauperculus B. Castro; L. Hanson, B. Corbin, L. Janeway, L. Gehrung 1994-4-11 506 Tehama In the Ishi Wilderness, Lassen NF, ca 1 mi NW of lookout at N end of Cohasset Ridge, on trail paralleling Wildcat Ck to Graham Pinery. 914 Comment
  HSC85814  Astragalus pauperculus Sandy Floyd, T'ai Roulston, Tom Munton 1987-3-28 53 Tehama Hwy. 36, mi. marker 65, 24 mi. E of Red Bluff Comment
  JEPS86516  Astragalus pauperculus Roy E. Buck, Glenn L. Clifton 1990-4-3 1487 Tehama 8 aim km ne Red Bluff (just s of Little Salt Creek, on plain ca 3.1 air km n of Little Salt Creek-Salt Creek confluence, vicinity of gas pipeline); n of Little Salt Creek-Salt Creek confl, ne of Red Bluff 102 Comment
  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
  UCD80289  Astragalus pauperculus CNPS SN Foothill Team 2006-5-1 SNFN 0340 Tehama TNC Easement, Denny Ranch. 146 Comment
  CHSC118209  Astragalus pauperculus Tim Kask 2016-4-1 256 Tehama Antelope Creek drainage, McClure Trail, 0.5 mi from top of trail, on side of trail. UTM 10T 0598851/4458647. Comment
  RSA182040  Astragalus purshii var. lectulus Freed W. Hoffman 1950-7-4 3667 Tehama Saddle between North Yolla Bolly and Black Rock. 2134 Comment
  UC1299222  Astragalus purshii var. tinctus Freed W. Hoffman 1950-7-4 3667 Tehama saddle between North Yolla Bolly and Black Rock; North Coast Ranges, betw North Yolla Bolly and Black Rock 2133 Comment
  CHSC64962  Asyneuma prenanthoides Vernon H. Oswald; Lowell Ahart 1995-7-12 7018 Tehama High North Coast Ranges. W. of Red Bluff and S of Plantina on Forest Route 45 (Tedoc Mtn. Rd.), 4.9 mi S of Hwy. 36. 1097 Comment
  CHSC116688  Athysanus pusillus Lowell Ahart; John Dittes 2016-4-29 20808 Tehama On the east side of the trail, about 100 yards south of the fish ladder on Deer Creek, about 0.8 mile (air) northeast of USFS Road 27N08 Bridge over Deer Creek, about 2 miles by trail to Highway 32. 935 Comment
  CHSC3948  Athysanus pusillus D. F. Johnson 1967-3-9 1 Tehama On hilltops ca. 100 yds. north of Johnson Rd. ca. 10 mi. west of Red Bluff. 170 Comment
  CHSC64574  Avena barbata Vernon H. Oswald 1995-4-3 6593 Tehama Cascade Range Foothills. Dales Lake Ecological Reserve. W side of Manton Rd. (A6) ca. 2 mi n of Dales Station on Hwy. 36 ca 14 mi ne of Red Bluff. 201 Comment
  JEPS95693  Avena barbata Vernon H. Oswald and L. Ahart 1995-4-3 6593 Tehama ca. 2 mi n of Dales Station; Dales Lake Reserve; T29N R2W NW1/4 NW1/4 Sec. 26, 660 ft, Cascade Range Foothills, Blue Oak Woodland, basalt substrate. Dales Lake Reserve on the W side of Manton Rd. (A6) ca. 2 mi n of Dales Station on Hwy. 36, ca. 14 mi ne of Red Bluff 201 Comment
  CHSC113339  Avena fatua Lowell Ahart; John Dittes 2014-5-17 19503 A Tehama On the dirt and rock piles, north of the poor dirt road, about 50 yards west of the diversion dam on Mill Creek, about 5 miles (air) northeast of Los Molinos. 124 Comment
  RSA93513  Baccharis salicifolia Milo S. Baker 1953-4-25 12522 Tehama On sandbar in Thomas River at Paskenta Comment
  UC1619985  Balsamorhiza deltoidea Barbara Ertter, Brad Olson 1991-7-4 10254 Tehama Ball Rock Rd. 16.1 mi. w. Paskenta (2 mi. s.e. of Kingsley Glade/Maxin jucntion, ca. 28 airmi. w. of Corning); Toomes Camp 1463 Comment
  JEPS101367  Balsamorhiza macrolepis Dean W. Taylor 1997-6-27 16106 Tehama South Fork Elder Creek on west flank Red Mountain; Mendocino National Forest 822 Comment
  CAS-BOT-BC16358  Barbarea orthoceras John Thomas Howell 1960-8-20 36225 Tehama Near Lassen Volcanic National Park. Morgan. 1463 Comment
  CAS-BOT-BC16369  Barbarea orthoceras Douglas Barbe 1955-7-22 252 Tehama West Tehama County. Just east of Long Lake. North slope of South Yolla Bolly. (Mount Linn). 2133 Comment
  RSA123553  Barbarea orthoceras G. D. Barbe 1955-7-22 252 Tehama Just E of Long Lake; N slope of South Yolla Bolly (Mt. Linn). 2134 Comment
  SEINET3292581 Image available Barbarea orthoceras Lewis S. Rose 1933-3-26 33034 Tehama Mt. Davison Comment
  UC1037446  Barbarea orthoceras Douglas Barbe 1955-7-22 252 Tehama East of Long Lake north slope of South Yolla Bolly. (Mt. Linn.) 2133 Comment
  JEPS21865  Berberis aquifolium var. dictyota Annette Waters 1958-4-20 246 Tehama 8.6 mi e Paynes Creek (on CA Hwy 36) 914 Comment
  CHSC116227  Bergia texana Lowell Ahart; John Dittes 2015-6-22 20265 Tehama About 1/4 mile north of Lassen Road, about 1.7 miles northeast of the intersection of Lassen Road and State Highway 99-E, about 4 miles (air) east of Vina, about 7 miles (air) southeast of Los Molinos. 74 Comment
  CHSC25339  Bidens cernua M. P. Hayes 1977-8-14 35 Tehama Deer Creek Meadows 1 mi SW of the intersection of Highway 32 and Highway 89. 50 m on south side of road. 1219 Comment
  JEPS104382  Bidens frondosa Lowell Ahart 2003-9-17 10569 Tehama On a gravel bar on the south side of Deer Creek, ca 400 yd e of Highway 99, ca 5 mi (air) se of Los Molinos. 60 Comment
  CAS-BOT-BC413085  Bistorta bistortoides John Thomas Howell 1960-8-21 36299 Tehama Near Lassen Volcanic National Park. Bluff Falls 1981 Comment
  CAS-BOT-BC413086  Bistorta bistortoides P. A. Munz 1951-7-25 16841 Tehama Square Lake, n. base of South Yolla Bolly Mts. 2148 Comment
  HSC85813  Blennosperma nanum var. nanum Sandy Floyd, Tom Munton, T'ai Roulston 1987-3-28 59 Tehama Hwy. 36, mile marker 51.50, 10 miles E of Red Bluff Comment
  UC1051685  Boechera breweri subsp. breweri Helen K. Sharsmith 1953-6-24 4352 Tehama Ovenlid summit Inner North Coast Ranges, Mendocino National Forest 1920 Comment
  UCD114437  Boechera platysperma John Thomas Howell 1960-8-19 36162 Tehama Brokeoff Mountain trail. 2682 Comment
  CAS-BOT-BC14415  Boechera platysperma P. A. Munz 1951-7-26 16944 Tehama North base of South Yolla Bolly Mountains. Square Lake. 2133 Comment
  CAS-BOT-BC14418  Boechera platysperma H. F. Copeland 1920-7-25 26 Tehama On summit divide between Butte, Plumas and Tehama Counties. 1828 Comment
  JEPS13519  Boechera repanda Rimo Bacigalupi with G. T. Robbins, K. Wagnon, and D. Barbe 1955-7-17 5338 Tehama 1.2 mi below and s Overlid (Butte County) (and 0.75 mi e and above Somerset's Meadow) 1889 Comment
  CHSC64959  Boechera subpinnatifida Vernon H. Oswald; Lowell Ahart 1995-7-12 7029 Tehama High North Coast Ranges. W of Red Bluff and S of Platina on the summit of Tedoc Mtn. (end of Forest Road 28N60). 1615 Comment
  CAS-BOT-BC25912  Boechera suffrutescens P. A. Munz 1951-7-18 16636 Tehama North Yolla Bolly Mountains. North slope of North Yolla Bolly Peak, line of Tehama Trinity counties. 1981 Comment
  RSA41189  Boisduvalia cleistogama Robert F. Hoover 1937-5-19 2256 Tehama Near Vina. Comment
  SEINET12194728  Boisduvalia stricta Unknown 1982-1 553 Tehama The Nature Conseervancy Vina Plains Preserve. 0.75 km S of Lassen road in central pasture, T24N, 70 Comment
  UC1751223  Botrychium minganense Timothy B. Devine 1985-7-7 841 a Tehama beside Willow Creek 1 mi N of jct with road to Colby Mt. Lookout 1584 Comment
  SEINET10474488  Brickellia grandiflora Mary Susan Taylor 1977-8-17 Taylor 1476 Tehama Rocky mountain peak above Chaparral; abundant on N side of Old Humboldt Road above Jonesville, ca. 3 mi E of its junction with Scotts John Road, just a few feet N of Butte County border. 1829 Comment
  CHSC82075  Brickellia greenei L. P. Janeway 2001-7-29 7404 Tehama High Cascade Range. 4.8 km southeast of Turner Mountain, along Road 29N48 overlooking Mill Creek. 1736 Comment
  RSA500414  Brickellia greenei Vernon H. Oswald, W. Dempsey 1989-8-3 3912 Tehama Wilson Lake north of Hwy 36, 8 air miles east of Mineral. Comment
  UCD129625  Brickellia greenei John Thomas Howell 1960-8-18 36025 Tehama Lassen Volcanic National Park; Bluff Falls. 1981 Comment
  CHSC43050  Brodiaea californica Pauleen Broyles 1986-4-9 963 Tehama At Lassen Road in nw corner of the Nature Conservancy Vina Plains Preserve. 66 Comment
  SEINET199094  Brodiaea californica subsp. californica R. Bacigalupi, L. Constance; Moran Rodriguez. 1951-6-12 3366 Tehama Along state highway 36 14 miles west of its junction with U.S. highway 99 9just north of Red Bluff junction) on a slig 244 Comment
  CHSC88514  Brodiaea californica var. californica Jenny Marr; Beth Hendrickson 1999-5-27 Tehama Vicinity of Grizzly Creek and Little Grizzly Creek. 304 Comment
  UCD148225  Brodiaea coronaria Robert E. Preston 2007-5-11 2488 Tehama 5.8 mi NW of Corning, ca. 0.4 mi S of Gyle Rd. 108 Comment
  UCD77151  Brodiaea coronaria Robert E. Preston 2003-5-18 2141 Tehama Ca. 2.9 mi ESE of Vina, on S side of Lassen Rd 64 Comment
  CHSC46816  Brodiaea coronaria subsp. coronaria W. Dempsey; V. Oswald, R. A. Schlising 1988-6-10 4539 Tehama About 9 miles W of Paskenta on road to Round Mt. 853 Comment
  CHSC102467  Brodiaea elegans subsp. elegans L. P. Janeway 2009-6-21 9812 Tehama Cascade Range Foothills. Tehama Wildlife Area; along Ishi Road 4.0 road km south of Hogback Road; where the road passes through an un-named short tributary (from the north) into Anteloope Creek, near its head. 628 Comment
  UCD77165  Brodiaea elegans subsp. elegans Robert E. Preston 2004-5-8 2233 Tehama 5 mi S of Corning, along Hwy 99W, 0.14 mi N of jct with Capay Rd 67 Comment
  CSUSB1006  Brodiaea lutea var. scabra William Horn Jr. 1967-5-28 670528 4 Tehama Highway 36, 20 miles west of Red Bluff. Comment
  JEPS88120  Brodiaea minor Vernon H. Oswald and Lowell Ahart 1996-4-29 7493 Tehama n.w. Corning (CDFG parcel on s. side of Gyle Rd., at cluster of vernal pools n. of farm pond located on s. boundary, Thomes Creek Ecological Reserve); n.w. Sacramento Valley, Thomes Creek Ecological Reserve 103 Comment
  RSA759783  Brodiaea minor Barbara Ertter 1991-5-19 9873 Tehama 14.5 miles west of Red Bluff on Highway 36, near Baxter Road junction. 244 Comment
  SEINET12046118  Brodiaea minor E. J. Miller 1978-1 24 Tehama 1 km W of Sacramento River at Woodson Bridge 59 Comment
  UC1950237  Brodiaea rosea Barbara Ertter with Brad Olson 1991-7-4 10217 Tehama Toomes Camp Rd (Mendocino FR 23N01) 12.5 mi W of Paskenta, 0.1 mi E of Elder Cr/Riley Ridge jct, ca 25 airmiles W of Corning Comment
  CHSC66060  Bromus carinatus var. carinatus Vernon H. Oswald; Lowell Ahart 1996-5-6 7524 .1 Tehama Cascade Range Foothills. Hog Lake Plateau. BLM parcel along Hwy. 36 NE of Red Bluff. Along Paynes Creek at this location. 124 Comment
  JEPS106237  Bromus carinatus var. carinatus Lowell Ahart, Samantha Mackey Hillaire 2004-7-9 11219 Tehama On both sides of Ponderosa Way (Forest Road 28N29), about 1 mile southeast of the Black Rock, about 1 mile (air) southeast of the Black Rock Campground and the bridge across Mill Creek, about 27 miles (air) east of Red Bluff 696 Comment
  CAS-BOT-BC148848  Bromus carinatus var. marginatus Douglas Barbe 1955-7-16 181 Tehama On the east ridge leading to the summit of South Yolla Bolly (Mount Linn). 2286 Comment
  CHSC66514  Bromus commutatus Vernon H. Oswald; Lowell Ahart 1996-5-20 7606 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
  SEINET11689128  Bromus diandrus Unknown 1982-1 511 Tehama The Nature Conservancy Vina Plains Preserve, N of barn in S pasture 63 Comment
  RSA602811  Bromus hordeaceus L. C. Wheeler 1935-5-23 3524 Tehama 9 miles E of Newville on Orlando-Newville Road. 122 Comment
  UCD80531  Bromus laevipes CNPS SN Foothill Team 2005-6-21 SNNR 0347 Tehama USFS Lassen National Forest, about 3/4 mile northwest of the Black Rock Campground about half-way up the canyon. 841 Comment
  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
  CHSC82316  Bromus madritensis subsp. rubens Lowell Ahart 2002-4-27 9554 Tehama About 10 yards northwest of the cattle guard, northwest of where the road is wide and one can park, on the west side of the dirt road that leads to the tower, east of Road M2, about 8 miles west of Paskenta. 609 Comment
  CHSC49520  Bromus pseudolaevipes V. Oswald; W. Dempsey, R. Schlising 1988-6-10 3371 Tehama Trail to Dead Rabbit Lake between Mud Flat Rd. and Bowers Creek. Edge of the trail. 518 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
  CHSC61447  Bromus suksdorfii Vernon H. Oswald; Lowell Ahart 1993-8-18 5815 Tehama Lassen Volcanic National Park. Slope between Mt. Conard and Spencer Meadow, near the S boundary of the park. On the edge of a meadow at one of the headwaters of Canyon Creek. 2109 Comment
  JEPS100233  Bromus suksdorfii Dean W. Taylor 2002-7-1 18210 Tehama Judd Creek, ca. 1 mile South of Lyman Springs 1005 Comment
  CHSC88524  Bromus tectorum Jenny Marr; Caroline Warren 1999-4-28 Tehama Vicinity of Red Bank Creek, Sunflower Gulch, and Dry Creek. 289 Comment
  CHSC101414  Cacaliopsis nardosmia David Isle 1992-5-6 1561 Tehama West of Dead Mule spring. 1548 Comment
  RSA754446  Cacaliopsis nardosmia David W. Isle 1992-5-6 1561 Tehama W of Dead Mule Springs 1549 Comment
  JEPS22639  Calandrinia ciliata Rimo Bacigalupi with Drs. Herbert and Lucille Mason Apr 22 1958-Apr 23 1958 6297 Tehama about 2 mi w Kirkwood (about one-half mi w of US Hwy 99, about 7 mi s of Corning); lower portions of the Kirkwood plains 73 Comment
  UCD123499  Callitriche fassettii Richard Yeo 1970-2-5 s.n. Tehama Corning Canal, 1 1/4 miles downstream from pumping plant, in vicinity of Red Bluff. Comment
  JEPS113234  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
  CHSC79713  Callitriche heterophylla var. bolanderi L. P. Janeway; B. Castro 2000-4-4 6650 Tehama Vicinity of Brannin Creek, west of Hwy I-5. 121 Comment
  CHSC40708  Callitriche marginata Pauleen Broyles 1983-4-14 927 Tehama The Nature Conservancy Vina Plains Preserve. Edge of vernal pool ne of barn. 60 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
  JEPS113233  Callitriche marginata Lowell Ahart 2007-4-3 13611 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
  CHSC60292  Calocedrus decurrens Mary Ann Showers 1992-6-26 2585 Tehama Along West Sulfur Creek east of Sulfur Works Entrance Station. Lassen Volcanic National Park. 1828 Comment
  LA6439  Calocedrus decurrens Carl Epling; William Robison 1935-7-16 sn Tehama near Mineral Comment
  CHSC2224  Calochortus amabilis M. Underhill 1953-5-3 Tehama 259 Comment
  SEINET7067184  Calochortus amabilis A. G. Vestal 1947-5-2 s.n. Tehama On an old aluvium ridge west northwest of Red Bluff. Coordinate datum: NAD27. UTM Zone 10, 564286mE, 4450344mN. Comment
  CHSC67720  Calochortus leichtlinii James D. Jokerst 1979-7-4 292 Tehama S of Mineral on F. S. Trail 3E12 to Turner Mtn., 1.0 mi from trailhead. Comment
  CAS-BOT-BC489963  Calochortus leichtlinii H. F. Copeland 1920-7-17 85 Tehama forest on Butt Mt 1828 Comment
  CHSC40843  Calochortus luteus Pauleen Broyles 1982-5-12 575 Tehama Along Sheep Camp Ditch. The Nature Conservancy Vinal Plains Preserve. 66 Comment
  CHSC7126  Calochortus luteus D. C. Burns 1969-4-24 26 Tehama 25 ft. n of junction of Hwy. 99E and Lassen Rd., 20 yds. E of Hwy. 99E. 60 Comment
  HSC1765  Calochortus luteus Larry Berti 1969-5-9 65 Tehama Antelope Creek Canyon, N face, 12 mi. E of Red Bluff, 3 mi. upstream from dam. 213 Comment
  JEPS94361  Calochortus luteus Vernon H. Oswald and Lowell Ahart 1997-5-14 8455 Tehama 0.2 mi se of Lassen Emigrant Trailhead (between Mill and Deer Creeks on Ponderosa Way (Forest Road 28N29)); Ponderosa Way 1164 Comment
  UC1296333  Calochortus luteus R. F. Hoover 1965-5-29 9414 Tehama 2 mi se Beegum Comment
  CAS-BOT-BC492650  Calochortus luteus E S Gans 1884-5-1 s.n. Tehama Red Bluff Comment
  CAS-BOT-BC492652  Calochortus luteus Alice Eastwood; John Thomas Howell 1934-4-22 1876 Tehama 3 iles w. of Payne's Creek Comment
  CHSC64640  Calochortus monophyllus Vernon H. Oswald; Lowell Ahart 1995-4-25 6682 Tehama Cascade Range Foothills. Dales Lake Ecological Reserve. W side of Manton Rd. (A6) ca. 2 mi n of Dales Station on Hwy. 36, ca. 14 mi ne of Red Bluff. 225 Comment
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Feb 26 2020
  CHSC118395  Calochortus monophyllus Tim Kask 2015-4-27 243 Tehama Antelope Creek, 'McClure Trail', .25 miles from trailhead. Comment
  SEINET10528678  Calochortus monophyllus David B. Dunn, Billy Joe Cox 1971-6-10 Dunn 17962 Tehama 13 miles w of mineral on calif. Hwy. 36; On 60 degrees e-facing slope Comment
  SEINET8197430  Calochortus monophyllus B. Blincoe 1961-4-29 s.n. Tehama 30 miles E of Red Bluff. 914 Comment
  CAS-BOT-BC493969  Calochortus superbus Ethel Wickes 1917-6-1 s.n. Tehama Red Bluff Comment
  HSC15356  Calochortus superbus R. C. Sanford 1965-5-1 28 Tehama 18 mi. E of Red Bluff on Hwy. 36 457 Comment
  RSA49232  Calochortus superbus Philip A. Munz 1949-5-14 13196 Tehama 5 miles N of Red Bluff Comment
  CHSC27810  Calochortus tolmiei Eric J. Miller 1978-4-27 30 Tehama Ca. 6 km e of Sacramento River at Woodson Bridge. 61 Comment
  UCD160066  Calochortus tolmiei James A. Neilson Jr. 1975-4-29 3150 Tehama Along Hwy 36, ca. 4 miles west of Salt Creek. (Exact location unknown. Elevation and coordinates estimated by label maker.) 304 Comment
  CAS-BOT-BC494344  Calochortus tolmiei Eric B. Peterson; Thomas Ward; Matt Foruria 1995-4-22 77 Tehama HWY 36 at Begum Gorge, flat, open hillside along trail into gorge, ~10 m from road. 396 Comment
  CAS-BOT-BC494345  Calochortus tolmiei Elmer I. Applegate 1932-4-13 7048 Tehama Begum Comment
  RSA17440  Calochortus tolmiei Elmer I. Applegate 1932-4-13 7048 Tehama Begum Comment
  CHSC84659  Calochortus venustus Samantha Mackey Hillaire; Brian Elliott 2003-5-31 341 Tehama Lassen National Forest, Ishi Wilderness. Rancheria Creek Trail on a S-facing slope. Along the trail. 902 Comment
  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-BC175775  Caltha leptosepala C. R. Quick 1950-6-17 50 -30 Tehama Edge of Mill Creek Meadow, W of Gurnsey Camp Ground, Lassen National Forest Comment
  UC1953739  Calycadenia 1978-7-6 2115 Tehama Long Gulch Camp along US Hwy 36 (Beegum Road), ca. 0.5 mi SE of Tedoc Road jct, ca. 40 mi NW of Red Bluff Comment
  CHSC79947  Calycadenia ciliosa L. P. Janeway; B. Castro 2000-6-19 6807 Tehama Vicinity of Thomes Creek, Bowers Creek, and Bennett Creek. 313 Comment
  RSA699254  Calycadenia ciliosa L. Ahart, Samantha Mackey Hillaire 2004-7-9 11210 Tehama Near fence, on north side of 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 air miles east of Red Bluff 655 Comment
  RSA255538  Calycadenia ciliosa Gerald D. Carr 1971-9-18 662 Tehama 6.4 miles west of Hwy. A5 on Hwy. 36, along Dry Creek 213 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
  CHSC106369  Calycadenia fremontii David Isle 1992-10-22 1801 Tehama Mendocino National Forest - North Coast Ranges, Thomas Creek watershed. Lower, east end of Doll Ridge, Adj. Rd. 23N17; S Aspect (S23E). 1301 Comment
  CHSC77530  Calycadenia fremontii Heidi West; Caroline Warren, Jenny Marr 1998-8-27 Tehama Vicinity of Sunflower Gulch and Red Bank Creek. 292 Comment
  JEPS100398  Calycadenia fremontii Dean W. Taylor 1995-5-9 14894 Tehama ca. 10 miles SE of Corning, South Fork Hall Creek 140 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-BC273279  Calycadenia fremontii R. L. Carr 1978-7-6 2114 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
  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
  RSA789304  Calycadenia fremontii R. L. Carr 1978-7-6 2110 Tehama At jct of Tedoc Rd & Hwy 36 near Beegum, ca. 40 mi W of Red Bluff. 561 Comment
  UC1971696  Calycadenia fremontii 1979-8-6 2183 Tehama 10.5 mi N of Bend Road on Jelly Ferry Road, ca. 15 mi N of Red Bluff on road to Balls Ferry (cf. RLC 2202) 128 Comment
  UC1971727  Calycadenia fremontii 1978-7-7 2117 Tehama Los Molinos, 300 yds S of road between Los Molinos and Tehama, gravel bar near Sacramento River 64 Comment
  UCD129695  Calycadenia fremontii Gerald D. Carr 1971-9-18 663 Tehama 6.0 miles west of Vestal Road on Hwy 36. 396 Comment
  CHSC77299  Calycadenia pauciflora L. P. Janeway; B. Castro 1999-6-4 6447 Tehama Side canyon of South Fork Cottonwood Creek. 371 Comment
  JEPS112722  Calycadenia pauciflora Dean W. Taylor 1997-5-29 16000 Tehama Beehive Flat, Toomes Camp Road (Forest Road M2), 7 road mi W of Paskenta 701 Comment
  JEPS75353  Calycadenia pauciflora Todd and Virginia Keeler-Wolf 1975-8-10 652 Tehama 1 mi e Patton Mills; Yolla Bolly Mountains 1036 Comment
  UC1971725  Calycadenia pauciflora 1978-7-6 2112 Tehama Long Gulch Camp along US Hwy 36 (Beegum Road), ca. 0.5 mi SE of Tedoc Road jct, ca. 40 mi NW of Red Bluff 503 Comment
  RSA255568  Calycadenia pauciflora Gerald D. Carr 1973-6-16 739 Tehama 1.5 miles S of Vestal Raod on Weemasoul. 381 Comment
  UC1876239  Calycadenia pauciflora Gerald D. Carr 1973-6-23 740 Tehama 1.4 m NE of Glenn Co. line on West Black Butte Rd. 213 Comment
  UC1876252  Calycadenia pauciflora Gerald D. Carr 1973-6-16 737 Tehama 4.6 mi W of Hwy A5 on Hwy 36 167 Comment
  UC1876255  Calycadenia pauciflora Gerald D. Carr 1973-6-16 739 Tehama Ca 1.5 mi S of Vestal Rd on Weemasoul Rd. 381 Comment
  UC1876257  Calycadenia pauciflora Gerald D. Carr 1971-8-19 646 Tehama 7.1 mi NW of Paskenta on Toomes Camp Rd. 685 Comment
  UC1971722  Calycadenia pauciflora 1978-7-6 2109 Tehama 0.1 mi S of Hwy 36 on Tedoc Road, 2 mi SE of Beegum (Shasta Co. line) 549 Comment
  UCD129854  Calycadenia pauciflora Gerald D. Carr 1973-6-23 740 Tehama 1.4 miles northeast of Glenn County line on West Black Butte Road. 213 Comment
  JEPS109587  Calycadenia truncata Dean W. Taylor 2002-7-2 18212 Tehama Big Chico Creek canyon, ca. 0.5 mile west of Highway 32 at the Butte County Line 1036 Comment
  HSC3815  Calycanthus occidentalis Larry Berti 1968-6-15 Tehama Found along Antelope Creek, ca. 200 yards above the dam. Comment
  CHSC101396  Calyptridium quadripetalum David Isle 1992-5-23 1566 Tehama 12 miles above Paskenta Store; on ridge SE of Govt. Flat/Round Mtn. Jct. [M-2 (23N01.3)/24N36B], abt 5.45 miles above Beehive Flat. 1176 Comment
  CHSC9735  Calystegia malacophylla Nancy Mosman 1971-7-17 116 Tehama Found in meadow 100 ft W of hwy 32 ca. 12.2 mi S of Chester. 1219 Comment
  CAS-BOT-BC221221  Calystegia malacophylla subsp. malacophylla F. J. Hermann 1931-7-11 2596 Tehama Lassen Volcanic National Park. Below Diamond Peak 2164 Comment
  CHSC84670  Calystegia occidentalis subsp. occidentalis Samantha Mackey Hillaire; Brian Elliott 2003-5-31 333 Tehama Lassen National Forest, Ishi Wilderness. North side of Ishi Wilderness at the Rancheria Creek Trailhead. In the middle of the trailhead. Along roads and trails here. 978 Comment
  CHSC94369  Calystegia occidentalis subsp. occidentalis Lowell Ahart 2006-7-19 13031 Tehama North edge of an open dry flat, about 100 yards west of the dirt road, about 50 yards east of Colby Creek, about 2 miles (air) southeast of Colby Mountain, about 5 miles (air) northeast of Butte Meadows. 1525 Comment
  SBBG5775  Calystegia occidentalis subsp. occidentalis H. and M. Dearing 1938-6-22 2070 Tehama Potato Patch Camp, Deer Crk 1080 Comment
  JEPS33784  Camissonia contorta Virginia Bailey 1938-4-16 Tehama 6 mi w Paskenta (on road to Covelo) Comment
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Jul 20 2020
  JEPS102411  Camissoniopsis hirtella Lowell Ahart 2001-6-8 8781 Tehama On the east side of road M2, about 9 miles west of Paskenta. 762 Comment
  CHSC80625  Campanula griffinii Lowell Ahart 2001-6-8 8812 Tehama On the west side of road M2, about 9 miles W of Paskenta. 792 Comment
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Aug 3 2007
  SEINET10463061  Campanula prenanthoides Mosman 1971-7-17 MOSMAN 121 Tehama At bottom of slope 2 ft east of Highway 32, ablut 19.6 miles south of Chester, Calif. 1067 Comment
  CHSC64384  Capsella bursa-pastoris Vernon H. Oswald; Lowell Ahart 1995-3-6 6500 Tehama Cascade Range Foothills. Dales Lake Ecological Reserve. W side of Manton Rd. (A6) ca. 1 mi n of Dales Station on Hwy. 36, ca. 14 mi ne of Red Bluff. On the ridge running through the ne corner of the reserve. 225 Comment
  CHSC56282  Cardamine breweri K. R. Stern 1986-5-21 8272 Tehama Deer Creek Meadows, 1 mi SE of jct hwys 32 and 36. 1402 Comment
  CHSC65669  Cardamine californica var. californica Vernon H. Oswald 1996-3-15 7226 Tehama Cascade Range Foothills. Hog Lake Plateau. BLM parcel. On the N rim of a ridge ca. 1.25 mi NNE of the parking lot at Hog Plateau. Near the top of the N-facing slope of Paynes Creek Canyon. 213 Comment
  CHSC67196  Cardamine oligosperma James D. Jokerst 1984-3-17 1940 Tehama Wurlitzer Ranch on the E side of Meridian Rd., S bank of Zimmershed Creek at a small oxbow. 91 Comment
  CHSC68810  Cardamine pachystigma var. pachystigma Vernon Oswald; Lowell Ahart 1997-6-10 8570 Tehama Between Paskenta and Covelo on Forest Road 23N60 to Anthony Peak Lookout, 0.8 mi northwest of its junction with 24N02 near Wells Cabin Campground. 2005 Comment
  JEPS94596  Cardamine pachystigma var. pachystigma Vernon Oswald and Lowell Ahart 1997-6-10 8570 Tehama between Paskenta and Covelo (on Forest Rd. 23N60 to Anthony Peak Lookout, 0.8 mi nw of its junction with 24N02 near Wells Cabin Campground) 2005 Comment
  CHSC96685  Carduus pycnocephalus Lowell Ahart; John Dittes, Andrea Craig 2007-5-13 13833 Tehama About 120 feet west of a poor dirt road, about 100 yards north of Manton Road, about 3.9 miles east northeast of the intersection of Manton Road and Wildcat Road, about 2 miles (air) southwest of Manton. 256 Comment
  CHSC101573  Carex D. Isle 1989-4-20 1619 Tehama Mendocino National Forest. Red Blluff Diversion Dam Area; east of Sacramento River diversion. Comment
  JEPS116108  Carex abrupta Lowell Ahart, John Dittes, Josephine Guardino 2009-8-27 16333 -A Tehama About 30 yards south of the dam, about 100 yards east of Forest Service Road 29N25A, Childs Meadows, about 5/8 mile south of the intersection of Highway 36 (89) and Forest Service Road 29N25A, 2.3 miles (air) northeast of the town of Mill Creek, 9.1 miles 1493 Comment
  RSA262499  Carex amplifolia J. M. Tucker, L. K. Mann 1962-7-29 3630 Tehama ca. 3 miles east of the summit of South Yolla Bolly Mountain and 3/4 mile north of Ovenlid, 1982 Comment
  UC1950421  Carex athrostachya Barbara Ertter 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 Comment
  CHSC76840  Carex aurea L. P. Janeway; B. Castro 1999-8-22 6528 Tehama High North Coast Ranges. Small undisturbed soggy mossy 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
  CDA33047  Carex bolanderi L. P. Janeway, B. Castro 2000-6-11 6796 Tehama High North Coast Ranges.; Twin springs; north side of Raglin Ridge along Raglin Road Comment
  SEINET7552590 Image available Carex bolanderi L. P. Janeway 2001-6-10 7146 Tehama High North Coast Ranges. Along Road 28N36 1.1 km west-soutwest of Tedoc Gap; along a minor tributary of South Fork Beegum Creek. 1340 Comment
  SEINET8987569 Image available Carex bolanderi Unknown 2012-1 25973 b Tehama Sheet Trail Ridge, FS Road 27N06, 2.1 road miles below summit, on NE slope of Tomhead Mountain, Yolla Bolly Mountains. North Coast Range Highlands. Comment
  CHSC45062  Carex brainerdii Vernon Oswald 1987-5-11 2383 Tehama Deer Creek Trail ca. 0.75 mi w of the trailhead on Hwy 32 at the first bridge over Deer Creek ne of Windy Cut. 950 Comment
  CHSC53654  Carex brainerdii L. P. Janeway; Gary Benson, Randy Harrison 1984-8-27 1098 A Tehama On side of ridge above Alder Cr. 1487 Comment
  UC1026413  Carex brainerdii John Thomas Howell and R. C. Barneby 1954-5-14 29566 Tehama 4 mi se Childs Meadows 1463 Comment
  UCD140295  Carex echinata subsp. echinata John Thomas Howell 1961-6-20 36579 Tehama Bluff Falls. 1981 Comment
  CHSC90419  Carex fracta Niall McCarten; Roxanne Bittman 1986-6-14 5332 Tehama Mendocino National Forest--North Coast Ranges. Thomes Creek Watershed. 0.25 mi. W of jct. Road 25N41 and 25N32. 1341 Comment
  SEINET7485216 Image available Carex fracta Peter F. Zika 2009-1 24610 Tehama 2.5 air km SSE of Bluff Falls, along FS road 29N22 at 0.2 road miles W of Route 89; Cascade Range Highlands (CaRH) Comment
  JEPS28390  Carex heteroneura George W. Gillett 1957-8-18 1102 Tehama about 1/4 mi below Sulphur Works Checking Station (lower portion of Brokeoff Trail); Lassen Volcanic National Park, Brokeoff Mountain 2103 Comment
  SEINET3902355  Carex integra Barbara Ertter, Brad Olson 1991-7-6 10416 Tehama Rocky Cabin meadow about 1 mi S of Ball Rock, 1 mi SE of Cold Spring Forest Station, about 30 airmiles W of Corning.; 0 1890 Comment
  CAS-BOT-BC7569  Carex integra B. Crampton 1954-6-16 1988 Tehama .25 miles west of Howell Camp, Mendocino National Forest - Paskenta District. 1892 Comment
  SD211485  Carex jonesii Barbara Ertter, Brad Olson 1991-7-6 10418 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
  CAS-BOT-BC35481  Carex jonesii Hans Leschke 1961-8-18 1841 Tehama Lassen Volcanic National Park, Diamond Peak, near highway Comment
  JEPS105657  Carex laeviculmis L. P. Janeway 2001-6-10 7155 Tehama High North Coast Ranges. Along the ''35'' road 2.4 km southeast of Stuart Gap; about 2.1 km north of North Yolla Bolly. Unmapped meadow/spring 1600 Comment
  CHSC88479  Carex lenticularis var. impressa L. P. Janeway 2001-6-10 7153 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
  JEPS100193  Carex livida L. P. Janeway and B. Castro 2000-6-11 6785 Tehama Inner North Coast Ranges. Pepperwood Spring; near the top of Raglin Ridge 902 Comment
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May 19 2014
  RSA757289  Carex luzulina var. luzulina Barbara Ertter, Brad Olson 1991-7-6 10423 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
  SEINET3903108  Carex luzulina var. luzulina Barbara Ertter, Brad Olson 1991-7-6 10423 Tehama Rocky Cabin meadow about 1 mi S of Ball Rock, 1 mi SE of Cold Spring Forest Station, about 30 airmiles W of Corning.; 0 1890 Comment
  JEPS75213  Carex microptera W. B. and V. G. Cooke 1975-9-7 50605 Tehama Broke-off Mountain Trail Lassen Volcanic National Park, Broke-off Mountain Trail Comment
  SEINET10587564  Carex multicaulis Vernon H. Oswald, Lowell Ahart 2001-5-7 Oswald 10004 Tehama T26N R3E SE1/4 SE1/4 Sect. 22. Forest Road 26N15 1.8 mi west of Hwy 32, between Soda Springs and Cohasset Ridge. 1326 Comment
  UC2042820  Carex multicaulis Barbara Ertter 1990-5-13 8952 Tehama 0.1 mi W of Lassen Lodge fire station on Highway 36, ca. 7 1/2 mi W of Mineral. Comment
  CHSC65410  Carex nebrascensis Vernon Oswald 1984-6-7 1267 Tehama Wilson Lake located ca. 8 mi e of Mineral. 1609 Comment
  CHSC94333  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
  JEPS110307  Carex nebrascensis Lowell Ahart 2006-7-19 13025 Tehama In a small bog, in a meadow, south of an open dry flat, about 100 yards west of the dirt road, east of Colby Creek, about 2 miles (air) southeast of Colby Mountain, about 5 miles (air) northeast of Butte Meadows 1525 Comment
  CAS-BOT-BC119673  Carex nervina Hans Leschke 1961-8-14 1816 Tehama Meadow on horse-trail to Kings Creek Falls. Comment
  CAS-BOT-BC119675  Carex nervina Hans Leschke 1960-8-10 1786 Tehama Hat Lake 1965 Comment
  CHSC65710  Carex nudata Vernon H. Oswald; Lowell Ahart, Joe Molter 1996-3-25 7260 Tehama Hog Lake Plateau. BLM parcel along Hwy. 36 NE of Red Bluff. Cascade Range Foothills. Edge of Paynes Creek in the NE corner of the parcel. 152 Comment
  CHSC94343  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 Meadows. 1564 Comment
  CHSC54496  Carex praeceptorum Vernon H. Oswald 1991-7-26 4767 Tehama Lassen Volcanic National Park. Forest Lake on the trail up Brokeoff Mtn. 2286 Comment
  CAS-BOT-BC118808  Carex preslii Philip Alexander Munz 1951-7-26 16932 Tehama North slope of South Yolla Bolly Peak. 2316 Comment
  CHSC106692  Carex scopulorum var. bracteosa Barbara Ertter; Brad Olson 1991-7-6 10422 Tehama Rocky Cabin meadow ca 1 mi S of Ball Rock, 1 mi SE of Cold Springs Forest Station, ca 30 airmiles W of Corning. 1889 Comment
  HSC70008  Carex serratodens Thomas W. Nelson, Jane P. Nelson 1978-7-21 4447 Tehama Along Tedoc Rd., 100 mi. S of Tedoc Gap Comment
  JEPS124420  Carex simulata Lowell Ahart, John Dittes 2015-8-5 20446 Tehama East side of Childs Meadow, 150 yards west of Highway 36, 0.69 air-miles northwest of intersection of State Highway 36 and Wilson Lake Road (County Road 769), 1.2 air-miles east of Doe Mountain, 9.77 air-miles south of Lassen Peak. Comment
  JEPS76265  Carex straminiformis Todd Keeler-Wolf 1977-9-10 668 Tehama n slope of Mt. Linn South Yolla Bolly Mts., Mt. Linn 2459 Comment
  CAS-BOT-BC115825  Carex subfusca C. Epling; William Robinson 1935-7-16 s.n. Tehama Near Mineral. Comment
  UCD169415  Carex subfusca L. P. Janeway 2001-6-10 7145 Tehama High North Coast Ranges. Along Road 28N36 1.1 km west-southwest of Tedoc Gap; along a minor tributary of South Fork Beegum Creek. 1340 Comment
  CAS-BOT-BC115823  Carex subfusca W. B. Cooke; V. G. Cooke 1976-10-1 52774 Tehama Mineral Ranger Station, Lassen National Forest, Mineral. 1524 Comment
  JEPS124407  Carex utriculata Lowell Ahart, John Dittes 2015-8-6 20517 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
  CHSC104786  Carex vulpinoidea Don Burk 2007-6-16 Tehama Evergreen Road (Bowman Road), 0.8 mi south of Cottonwood Creek. On the northeast bank of the Anderson-Cottonwood Irrigation District canal, and in and adjacent to a lateral ditch that extends north of the canal. 137 Comment
  JEPS121391  Carex vulpinoidea Peter F. Zika 2011-7-4 25511 Tehama SE side of A6, at Morgan Creek culvert Comment
  RSA505368  Castilleja applegatei subsp. martinii R. C. Bacigalupi, G. Thomas Robbins, Keith Wagnon, G. D. Barbe 1955-7-16 5314 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
  RSA105326  Castilleja applegatei subsp. pinetorum G. D. Barbe 1955-7-21 225 Tehama West shore of Square Lake. Region of South Yolla Bolly. 2104 Comment
  CHSC23428  Castilleja attenuata L. Lyons 1967-4-24 Tehama 50 yds N of River Rd., ca. 4.5 mi NE of Corning, 3 mi S of Thomas Creek, at Hall Rd. 38 Comment
  JEPS95700  Castilleja attenuata Vernon H. Oswald and L. Ahart 1995-4-3 6580 Tehama T29N R2W SW1/4 NW1/4 Sec. 26, 680 ft, Cascade Range Foothills, Stony Tuscan Loam over hardpan. Dales Lake Reserve on the W side of Manton Rd. (A6) ca. 1.5 mi n of Dales Station on Hwy. 36, ca. 14 mi ne of Red Bluff 207 Comment
  JEPS96529  Castilleja attenuata Dean W. Taylor 1993-4-5 13327 Tehama Thomes Creek; riparian area ca. 1.2 mile upstream from Rawson Road bridge, 99 Comment
  JEPS9972  Castilleja attenuata Virginia Bailey 1938-4-16 Tehama 6 mi w Paskenta (on Paskenta-Covelo road) Comment
  CHSC77382  Castilleja foliolosa L. P. Janeway; B. Castro 1999-6-10 6461 Tehama North side of Dry Creek about 1.7 mi west of Red Bank Creek, on the west slope of the 'Water Gap. 316 Comment
  CHSC80075  Castilleja foliolosa L. P. Janeway; B. Castro, Shirley Innecken 2000-6-5 6782 Tehama Vicinity of Thomes Creek and Bowers Creek. 350 Comment
  JEPS102792  Castilleja foliolosa Lowell Ahart 2001-6-8 8790 Tehama On the west side of road M2, about 9 miles west of Paskenta. 792 Comment
  CHSC102394  Castilleja lacera Lowell Ahart; John Dittes, Josephine Guardino 2009-8-27 16327 Tehama About 100 yards east of Forest Service Road 29N25A, Childs Meadows, about 2600 feet south of the intersection of Highway 36 (89) and Forest Service Road 29N25A, 2.3 miles (air) northeast of the town of Mill Creek, 9.1 miles (air) south of Lassen Peak. Area between S23 SE1/4 and S24 SW1/4. 1493 Comment
  UC444893  Castilleja miniata W. P. Taylor 1913-8-2 Tehama 2 mi s Yolla Bolly Mt. Comment
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Jul 5 2009
  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
  CHSC94361  Castilleja tenuis Lowell Ahart 2006-7-19 13036 Tehama West edge of an open dry flat, about 100 yards west of the dirt road, along the east side of Colby Creek, about 2 miles (air) southeast of Colby Mountain, about 5 miles (air) northeast of Butte Meadows. 1525 Comment
  CHSC55402  Ceanothus X flexilis Vivian L. Long 1991-4-18 18 Tehama Ca 0.4 km south of Digger Creek. Comment
  RSA755231  Ceanothus cuneatus var. cuneatus Dylan O. Burge 2007-5-1 DOB 902 c Tehama At roadside 5.5 road miles W of Paskenta (measured from intersection of Toom's Camp Road and Round Valley Road) via Toom's Camp Road and Cr 122, 6.51 km 270 degrees true W of Paskenta 520 Comment
  CAS-BOT-BC50957  Ceanothus integerrimus C. Epling; Wm. Robison 1935-7-16 s.n. Tehama Near Mineral Comment
  JEPS42448  Ceanothus integerrimus Jos. Grinnell 1925-7-3 Tehama Mineral Turner Mt. 1828 Comment
  LA43623  Ceanothus integerrimus Carl Epling; William Robison 1935-7-16 sn Tehama near Mineral Comment
  UC774520  Ceanothus integerrimus Carl B. Wolf 1941-7-23 11060 Tehama 2.2 mi below Paynes Creek; Red Bluff-Susanville Rd. (Calif. Hwy. 36) 365 Comment
  CHSC87124  Ceanothus integerrimus var. macrothyrsus L. P. Janeway 2001-6-15 7178 Tehama High Cascade Range. Above North Fork Calf Creek, 1.6 km north-northwest of Colby Mountain; between roads 27N12 and 27N06. 1402 Comment
  CAS-BOT-BC83786  Ceanothus jepsonii var. albiflorus D. O. Burge 2007-5-1 900 b Tehama Mendocino National Forest, at roadside 12.5 road miles (20 km) W of Paskenta 1200 Comment
  CAS-BOT-BC51136  Ceanothus lemmonii C. Hart Merriam 1921-7-2 s.n. Tehama On Beegum grade Comment
  UC1052841  Ceanothus lemmonii O. C. Olson 1955-7-6 21 Tehama 1/4 mi s Hwy 36 (on Pattymocus Trail.); Quad. 31-B-4 762 Comment
  UC726179  Ceanothus velutinus A. A. Heller 1936-6-19 Tehama ridge between Childs Meadows and Chester; ridge between Child's Meadows and Chester Comment
  SBBG4578  Ceanothus velutinus var. velutinus H. and M. Dearing 1938-6-23 2111 Tehama Deer Crk 1219 Comment
  CHSC113318  Centaurea melitensis Lowell Ahart; John Dittes 2014-5-17 19510 Tehama On the dirt and rock piles, north of the poor dirt road, about 50 yards west of the diversion dam on Mill Creek, about 5 miles (air) northeast of Los Molinos. 124 Comment
  CHSC40515  Centaurea solstitialis Pauleen Broyles 1982-7-2 775 Tehama The Nature Conservancy Vina Plains Reserve. Near Hwy 99. 60 Comment
  CHSC64905  Centaurea solstitialis Vernon H. Oswald 1995-6-30 6951 Tehama Cascade Range Foothills. Dales Lake Ecological Reserve. W side of Manton Rd. (A6) ca. 2.0 mi n of Hwy. 36 at Dales Station, ca. 14 mi ne of Red Bluff. Along the old highway at the ne corner of the reserve. 225 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
  SEINET8111607 Image available Centaurea solstitialis Julia Harencar, Gregory Reardon 2015-1 DIA 201504 Tehama Hillside to the West of parking lot at end of Green Valley Road. 209 Comment
  SEINET8111621 Image available Centaurea solstitialis Julia Harencar, Gregory Reardon 2015-1 DIA 201521 Tehama Hillside to the West of parking lot at end of Green Valley Road. 209 Comment
  SEINET8111639 Image available Centaurea solstitialis Julia Harencar, Gregory Reardon 2015-1 RB 201503 Tehama North-west of Herbert S. Miles rest area between Cottonwood and Red Bluff on southbound I-5. 93 Comment
  SEINET8111643 Image available Centaurea solstitialis Julia Harencar, Gregory Reardon 2015-1 RB 201513 Tehama North-west of Herbert S. Miles rest area between Cottonwood and Red Bluff on southbound I-5. 93 Comment
  SEINET8853572 Image available Centaurea solstitialis Julia Harencar, Gregory Reardon 2015-1 RB 201506 , RB201507, RB201508 Tehama North-west of Herbert S. Miles rest area between Cottonwood and Red Bluff on southbound I-5. 93 Comment
  SEINET8853575 Image available Centaurea solstitialis Julia Harencar, Gregory Reardon 2015-1 RB 201510 , RB201511 Tehama North-west of Herbert S. Miles rest area between Cottonwood and Red Bluff on southbound I-5. 93 Comment
  UC1980596  Centaurium tenuiflorum C. Rose Broome 1978-8-4 2320 Tehama Bowman Road, 7 mi W of Junction with 5, on N side of road along creek banks. Comment
  CHSC66557  Centromadia fitchii Vernon H. Oswald; Lowell Ahart 1996-7-8 7964 .1 Tehama Cascade Range Foothills. Hog Lake Plateau. BLM parcel along Hwy. 36 NE of Red Bluff. (Collected on the flood plain of Paynes Creek E of the mouth of the intermittent stream crossing the NE corner of the parcel). 158 Comment
  CHSC79951  Centromadia fitchii L. P. Janeway 2000-5-14 6726 Tehama Cascade Range Foothills. Tablelands on south side of Battle Creek; along Spring Branch Road (old Manton Road) 2.7 km east-northeast of Jelly's Ferry Road. 192 Comment
  JEPS22655  Centunculus minimus Rimo Bacigalupi with Drs. Herbert and Lucille Mason 1958-4-22 6281 Tehama about 2 mi w Kirkwood (lower portions of plains, about 1/2 mi w of US Hwy 99, about 7 mi s of Corning); Kirkwood plains 73 Comment
  UC1586614  Centunculus minimus Vernon H. Oswald and Lowell Ahart 1991-5-9 4569 Tehama 1.5 mi ne of the Bend Bridge over Sacramento River (6.5 mi nne of Red Bluff, at sw corner of the large impoundment at the entrance kiosk); Paynes Creek Recreation Area 112 Comment
  CAS-BOT-BC205679  Cephalanthera austiniae James R. Shevock 1985-6-22 11245 Tehama Field redacted by CAS, contact the data manager for more information 1752 Comment
  SBBG16030  Cerastium fontanum D. Myrick 1961-6-24 360 Tehama St Hwy 36 ca. 2 mi E of Mineral 1524 Comment
  JEPS124059  Cerastium fontanum subsp. vulgare Lowell Ahart, John Dittes 2015-8-5 20433 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
  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
  JEPS97472  Cerastium glomeratum Vernon H. Oswald and L. Ahart 1995-3-6 6512 Tehama Dales Lake Ecological Reserve. T29N R2W SW1/4 NW1/4 Sec. 26, 680 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 207 Comment
  SEINET7347800  Cercis canadensis W. Priest 1956-4-27 s.n. Tehama Highway 36 about 20 miles west of turnoff to Lassen National Park 762 Comment
  CHSC75365  Cercis occidentalis Ben Myhre 1997-4-14 15 Tehama Dye Creek Preserve, 8 miles north of Los Molinos. About 1/4 mile west of the mouth of Dye Creek Canyon. 106 Comment
  JEPS108847  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
  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
  SEINET6331972  Cercocarpus betuloides S. Dean 1979-4-24 s.n. Tehama HWY 36, Susanville, Red Bluff HWY rest stop 1219 Comment
  UC1010418  Cercocarpus betuloides var. betuloides Milo S. Baker 1953-5-10 12612 Tehama Logging road about 9 1/2 mi w of Paskenta Comment
  HSC95721  Cercocarpus ledifolius var. intermontanus Vernon H. Oswald, L. Ahart 1997-7-7 8683 Tehama Lookout on Tomhead Mtn. near the NE corner of the Yolla Bolly-Middle Eel Wilderness 2058 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
  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
  UC1037366  Chaenactis douglasii var. douglasii Douglas Barbe 1955-7-16 166 Tehama w of Paskenta (Oven Lid, w Tehama County); Mendocino National Forest, Oven Lid 1920 Comment
  CHSC80589  Chaenactis glabriuscula var. heterocarpha Lowell Ahart 2001-6-14 8843 Tehama Just east of road M2, and west of the poor dirt road that is used to service the power poles, about 8.5 miles west of Paskenta. 640 Comment
  CHSC96651  Chaenactis glabriuscula var. heterocarpha Lowell Ahart 2007-5-8 13725 Tehama Along flood plain of Dibble Creek, about 100 yards north of Highway 36, about 3.7 miles west of the intersection of Highway 36 and 99 or I-5, about 4 miles (air) northwest of Red Bluff. 111 Comment
  CHSC52647  Chamaesyce hooveri R. D. Stone 1986-8-22 796 Tehama Central Valley. Vina Plains, 0.3 miles E of Leininger Road and 1.1 miles NNE of is intersection with Highway 99. Vernal pool. 73 Comment
  CHSC52651  Chamaesyce hooveri R. D. Stone; R. E. Buck 1987-8-3 830 Tehama Central Valley. Vina Plains, 1.9 miles SSW of the intersection of Highway 99 and Rowles Road, 0.2 miles N of the Tehama-Butte county line. Vernal pool. 57 Comment
  CHSC52653  Chamaesyce hooveri R. D. Stone; R. E. Buck 1987-8-11 846 Tehama Central Valley. Ca. 6 miles NE of Vina and 2.5 miles NE of the end of Reed Orchard Road, just E of Deer Creek on W side of Deer Creek Irrigation Ditch. Vernal pool. 131 Comment
  JEPS83928  Chamaesyce hooveri R. D. Stone and R. E. Buck 1987-8-4 836 Tehama 3.75 mi nne Vina (0.8 mi ne of uppermost of the 5 Laniger (Leininger) Lakes); June Lake 86 Comment
  CHSC87941  Chamaesyce maculata Lowell Ahart 2004-6-28 11145 Tehama Gravel bar on the south side of Thomes Creek, about 1/4 mile east of Paskenta. 213 Comment
  JEPS105077  Chamaesyce ocellata subsp. rattanii Dean W. Taylor 1992-10-8 13272 Tehama ca. 10 miles SW of Corning, South Fork Hall Creek 140 Comment
  JEPS87013  Chamaesyce ocellata subsp. rattanii Dean W. Taylor 1990-8-11 11453 Tehama under Rawson Rd Bridge crossing; Thomes Creek 94 Comment
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Sep 11 2020
  JEPS91378  Chamaesyce ocellata subsp. rattanii Dean Wm. Taylor with James Shevock, Barbara Ertter 1992-9-19 13246 Tehama Tooms Canp Road 5.3 miles West from Paskenta 518 Comment
  CHSC102693  Chamaesyce serpillifolia subsp. serpillifolia Lowell Ahart; John Dittes, Josephine Guardino 2009-8-27 16313 Tehama On the east side of Forest Service Road 29N25A, Childs Meadows, about 2600 feet south of the intersection of Highway 36 (89) and Forest Service Road 29N25A, 2.3 miles (air) northeast of the town of Mill Creek, 9.1 miles (air) south of Lassen Peak. Area between SE 1/4 Section 23 and SW 1/4 Section 24. 1493 Comment
  CHSC112591  Chamaesyce serpillifolia subsp. serpillifolia Lowell Ahart 2013-9-17 19049 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
  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
  CHSC72406  Chamaesyce serpillifolia subsp. serpillifolia Vernon H. Oswald; Lowell Ahart 1998-10-27 9688 Tehama Nomalaki Trail west of Paskenta and north of Mud Flat Rd. at Dead Rabbit Lake. 542 Comment
  UCR129873  Cheilanthes covillei H. K. Wagnon 1953-5-3 12640 Tehama West of Paskenta along logging road 244 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
  CHSC28883  Cheilanthes gracillima M. S. Taylor 1979-4-22 1977 Tehama Overlooking Deer Creek, ca. 2 mi sw of Hwy 32, ca. 3 mi s of Potato Patch Campground. 975 Comment
  CHSC44613  Cheilanthes intertexta Vernon H. Oswald 1984-4-11 1147 Tehama Round Valley Rd. ( also M4 or 23N02), 8.0 mi w of Newville Rd. (5.3 mi w of Mendocino Nat. Forest Boundary). 746 Comment
  JEPS103450  Chenopodium ambrosioides var. suffruticosum Lowell Ahart 2002-11-4 10005 Tehama Bottom of a wash, Jewett Creek, E of Marguerite Road, ca 1 1/4 mile (air) SE of Corning. 74 Comment
  JEPS118003  Chenopodium botrys Lowell Ahart, John Dittes 2011-6-9 17472 Tehama On the bottom of Dry Creek, south of the confluence of Acorn Hollow Creek and Dry Creek, 2.1 miles (air) east of Highway 99, 3.8 miles (air) north of Vina 75 Comment
  JEPS88563  Chenopodium botrys Vernon H. Oswald and Lowell Ahart 1996-6-3 7692 .2 Tehama BLM parcel along Hwy 36 ne of Red Bluff (on gravel bar along Paynes Creek at old bridge site,); Cascade Range Foothills, Hog Lake Plateau, Paynes Creek 103 Comment
  JEPS95174  Chenopodium botrys Vernon H. Oswald and Lowell Ahart 1996-6-3 7692 .2 Tehama BLM parcel along Hwy 36 ne of Red Bluff (on gravel bar along Paynes Creek at old bridge site,); Cascade Range Foothills, Hog Lake Plateau, Paynes Creek 103 Comment
  JEPS122016  Chenopodium californicum Lowell Ahart 2014-5-8 19454 Tehama About 1/10 mile east of the restroom, about 50 yards north of the paved road past Berris Creek, east of Berris Creek, south of Black Butte Reservoir, about 12 miles (air) southwest of Corning. Comment
  JEPS94752  Chenopodium californicum Vernon Oswald and Lowell Ahart 1998-4-27 8969 Tehama w of Red Bluff (and se of Platina, Pettyjohn Road 0.9 mi w of its juction with Weemasoul Road); Pettyjohn Road 597 Comment
  JEPS104379  Chenopodium multifidum Lowell Ahart 2003-9-17 10574 Tehama North of the road levee, ca 50 yd south of Deer Creek, ca 400 yd e of Highway 99, ca 5 mi (air) se of Los Molinos. 60 Comment
  UC1618275  Chenopodium pumilio Barbara Ertter 1993-11-8 12308 Tehama e side of river e Corning; Sacramento River, Tehama County River Park Comment
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Jul 16 2009
  CAS-BOT-BC451367  Chimaphila menziesii Hans Leschke 1964-8-2 1881 Tehama Lassen Volcanic Nat. Park: Mills Creek Falls Comment
  UC903256  Chimaphila umbellata Ethel Crum 1937-8-7 1951 Tehama 12 mi. s.w Lassen Peak (Mineral Summit); Mineral Summit 1615 Comment
  UC1950235  Chlorogalum angustifolium Barbara Ertter 1991-5-19 9878 Tehama 14.5 mi W of Red Bluff on Hwy 36, near Baxter Road junction 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
  RSA49305  Chlorogalum angustifolium Philip A. Munz 1949-5-14 13199 Tehama 7 miles south of Corning Comment
  CHSC86053  Chorizanthe membranacea Jenny Marr; Caroline Warren 1998-4-28 Tehama Vicinity of upper North Fork Stony Creek, Newville Road, and Round Valley Road. 213 Comment
  CHSC96534  Chorizanthe membranacea Lowell Ahart 2007-5-8 13741 Tehama Along flood plain of Dibble Creek, about 100 yards north of Highway 36, about 3.7 miles west of the intersection of Highway 36 and 99 or I-5, about 4 miles (air) northwest of Red Bluff. 111 Comment
  CHSC54108  Chorizanthe polygonoides var. polygonoides Vernon H. Oswald 1991-5-20 4601 Tehama Hwy 36, 2.8 miles east of Paynes Creek. 670 Comment
  JEPS122049  Chorizanthe polygonoides var. polygonoides Lowell Ahart, John Dittes 2014-5-18 19526 Tehama About 2 miles east of the end of Lyon Cattle Road, about 4 miles (air) northeast of Los Molinos. Comment
  JEPS57707  Chorizanthe polygonoides var. polygonoides W. L. Jepson 1932-5-9 16350 Tehama Rubble Field ne Red Bluff 137 Comment
  RSA755417  Chorizanthe polygonoides var. polygonoides L. P. Janeway, B. Castro 2009-4-25 9776 Tehama Cascade Range Foothills: Tehama Wildlife Area: Top of ridge between Little Antelope Creek and Mill Creek; southern end of Powerline Road at Rock Wall; 1.8 km east-northeast of Dewitt Peak. 640 Comment
  SJSU9100  Chorizanthe stellulata R. L. MacDonald & N. D. Addy 1962-6-30 Tehama by Highway 36 c. 11 mi W of Mineral 762 Comment
  RSA275281  Chorizanthe stellulata J. P. Smith, J. O. Sawyer 1971-5-22 4635 Tehama 39 miles west of Mineral on State Route 36 244 Comment
  UCD110131  Chrysolepis sempervirens John Thomas Howell 1960-8-19 36143 Tehama Brokeoff Mountain Trail. 2590 Comment
  RSA768935  Chrysothamnus nauseosus subsp. albicaulis L. Ahart, John Dittes 2010-10-5 17300 Tehama East side of Antelope Valley Road, about 100 yards south of Highway 49, 3.6 air miles west of Loyalton, 6.8 air miles northeast of Sierraville. 1498 Comment
  CHSC65738  Cicendia quadrangularis Vernon H. Oswald; Lowell Ahart 1996-4-3 7290 Tehama Northwest side of Sacramento Valley. Thomes Creek Ecological Reserve. CDFG parcel on the S side of Gyle Rd. NW of Corning. Along the intermittent stream ca. 0.4 mi E of the dirt lane along the W side of the parcel. 103 Comment
  UCR130070  Cicuta maculata var. angustifolia George K. Helmkamp, E. A. Helmkamp 2001-7-7 6903 Tehama Northern Sierra Nevada Mountains, SE of Mt. Lassen; Calif. Hwy 36/89 at Gurnsey Creek, about 2 mi north of junction with Calif. Hwy 32 1448 Comment
  CAS-BOT-BC285354  Cirsium andersonii A. A. Heller 1938-7-28 s.n. Tehama On the Mineral-Mt. Lassen Park Highway Comment
  SBBG119889  Cirsium andersonii L. Ahart 2006-9-9 13257 Tehama near dry meadow just W of dirt rd, ca. 150 yds E of Colby Crk, ca. 5 air mi NE of Butte Meadows; T26N R4E S11, NE/4 1525 Comment
  UC1619982  Cirsium occidentale var. venustum Barbara Ertter, Brad Olson 1991-7-6 10450 Tehama Toomes Camp Rd. (M22) 15.6 mi. from Paskenta (2.5 mi. e. Forest Glade/Three Prong junction, ca. 28 airmiles w. of Corning, e. side Tatham Ridge overlooking valley); Tatham Ridge 1432 Comment
  CHSC102811  Cirsium vulgare Lowell Ahart; John Dittes, Josephine Guardino 2009-8-27 16306 Tehama West side of pond, on the east side of Forest Service Road 29N25A, Childs Meadows, about 2,600 feet south of the intersection of Highway 36 (89) and Forest Service Road 29N25A, 2.3 miles (air) northeast of the town of Mill Creek, 9.1 miles (air) south of Lassen Peak. 1493 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
  CAS-BOT-BC285742  Cirsium vulgare Hans Leschke 1960-8-8 1735 Tehama Lassen Volcanic National Park. Near the Ski Hut 2026 Comment
  HSC31867  Clarkia affinis Thomas E. Higley 1974-5-5 100 Tehama 21 mi. E of Trinity Co. Line on Hwy. 36 305 Comment
  UCD104436  Clarkia concinna Thomas W. Nelson; Jane P. Nelson 1980-6-22 5845 Tehama Along forest service road 45, 2.3 miles N of Tedoc Gap, W side of Mount Tedoc. 1371 Comment
  JEPS76672  Clarkia concinna subsp. concinna L. R. Heckard 1972-6-17 2952 A Tehama e slope Beegum Mt. 1127 Comment
  SFV18553  Clarkia gracilis R. Stafsnes, C. Dunn, D. A. Roediger 1997-4-26 49 Tehama Cascade Range Along Highway 36. 244 Comment
  RSA279403  Clarkia gracilis subsp. albicaulis W. L. Jepson 1932-5-9 16324 Tehama Hills north of Paskenta. Comment
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Jul 1 2009
  CHSC13928  Clarkia gracilis subsp. gracilis P. Matthews 1968-4-28 13 Tehama Ca. 10.5 mi w of Cottonwood, ca. 6.5 mi w on Evergreen Rd, on e side of rd on bank. 73 Comment
  CHSC32838  Clarkia gracilis subsp. gracilis Lora L. Anderson 1981-4-26 19 Tehama Ca. 0.5 mi w of Sacramento River, 1.5 mi from Interstate 5, 4.5 mi n of Red Bluff. 94 Comment
  CHSC89620  Clarkia gracilis subsp. gracilis Caroline Warren; Heidi West 1999-6-9 Tehama Vicinity of Sunflower Gulch and Red Bank Creek. 289 Comment
  JEPS105877  Clarkia gracilis subsp. gracilis Lowell Ahart 2004-4-29 10807 Tehama ca. 1/8 mi SE of an unnamed lake, along Nomalaki Trail, ca. 3/4 mi by trail NW of Dead Rabbit Lake, ca. 1 1/2 mi NW of Bowers Creek, ca. 2 1/4 mi NW of Forest Rd 23N69 (Mud Flat Rd), ca. 8 mi (air) SW of Paskenta 535 Comment
  JEPS1958 Image available Clarkia gracilis subsp. tracyi W. L. Jepson 1932-5-9 16324 Tehama hills n Paskenta; ; Paskenta, Tehama Co. Comment
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Jul 1 2009
  CHSC64713  Clarkia lassenensis Vernon H. Oswald; Lowell Ahart 1995-5-16 6732 Tehama Cascade Range Foothills. Dales Lake Ecological Reserve. W side of Manton Rd. (A6) ca. 2 mi n of Dales Station on Hwy. 36, ca. 14 mi ne of Red Bluff. On the w side of the basalt ridge crossing the ne corner of the reserve. 225 Comment
  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
  CHSC107226  Clarkia purpurea subsp. quadrivulnera Lowell Ahart; John Dittes 2011-6-9 17440 Tehama Rio De Los Molinos Land Grant. About 60 yards east of a large vernal pool, sand dune area, about 30 yards south of the fence, 1.6 miles (air) east of Highway 99, 2.4 miles (air) north of Vina. 80 Comment
  CHSC66018  Clarkia purpurea subsp. quadrivulnera Vernon H. Oswald; Lowell Ahart 1996-4-29 7491 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 large vernal pool in the cluster of pools N of the farm pond located on the S boundary. 103 Comment
  UCR11257  Clarkia purpurea subsp. quadrivulnera Wm. Horn Jr. 1967-5-28 670528- 01 Tehama Sacramento Valley/North Coast Range, Highway 36, 20 miles west of Red Bluff 244 Comment
  RSA125978  Clarkia purpurea subsp. quadrivulnera E. K. Balls 1957-5-24 22539 Tehama 3.3 mi. SE from Beegum, along State Highway 36, Red Bluff to Alton. 290 Comment
  CAS-BOT-BC164771  Clarkia rhomboidea H. F. Copeland 1920-7-17 105 /165? Tehama On Butt Mt. 1828 Comment
  UCD105957  Clarkia rhomboidea Jesse Miller 2010-1 s. n. Tehama Near boundary of Klamath Range and North Coast Ranges. Near Beegum Creek. 1127 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
  UC1075579  Clarkia rhomboidea E. K. Balls and L. W. Lenz 1956-6-19 21835 Tehama 13.6 mi e Payne's Creek (along State Hwy. 36 (Red Bluff to Lake Almanor), by Lassen Lodge) 1310 Comment
  CHSC32820  Claytonia exigua subsp. exigua Brian H. McMurtry 1979-4-7 Tehama ca. 2 mi. se Paskenta on Round Valley Rd. Comment
  CHSC54110  Claytonia exigua subsp. exigua Vernon H. Oswald 1991-5-22 4611 Tehama M2 (23N01), 9.8 miles (odometer) west of Paskenta. 896 Comment
  CHSC70837  Claytonia exigua subsp. exigua Vernon Oswald 1998-3-28 8892 Tehama Nomalaki Trail north of Mud Flat Rd. between China Gulch and Bowers Creek in Mendocino NF. 487 Comment
  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
  CHSC68701  Claytonia parviflora subsp. parviflora Vernon H. Oswald; Lowell Ahart 1997-5-14 8432 Tehama Between Paynes Creek and Cohasset on Ponderosa Way (Forest Rd. 28N29) 6.7 mi south of Plum Creek Rd., 0.6 mi southwest of the Middle Fork Antelope Creek. 1011 Comment
  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
  JEPS110274  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
  RSA67459  Claytonia rubra P. A. Munz 1951-7-18 16663 Tehama North slope of North Yolla Bolly Peak. 1982 Comment
  RSA90602  Claytonia rubra Milo S. Baker 1953-5-10 12631 Tehama Logging road W of Paskentia near 10 mile post Comment
  SBBG1944  Claytonia sibirica H. and M. Dearing 1938-6-22 2091 Tehama Deer Crk Cyn 1371 Comment
  UC1299363  Claytonia sibirica Freed W. Hoffman 1950-7-4 3758 Tehama trail up North Yolla Bolly from White Rock (w Tehama); North Yolla Bolly Comment
  CHSC107102  Clematis lasiantha M. Mitchell 2010-4-6 Tehama Dye Creek Preserve. 135 Comment
  CHSC64985  Clematis lasiantha Vernon H. Oswald; Lowell Ahart 1995-7-12 6994 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. On a roadside slope. 871 Comment
  JEPS6365  Collinsia greenei Rimo Bacigalupi and G. T. Robbins 1954-6-26 4637 Tehama 3.6 mi n Mendocino Pass (Low Gap) (along road to Government Flat, at boundary between Mendocino and Tehama Counties); Mendocino National Forest 1920 Comment
  JEPS95728  Collinsia tinctoria Vernon H. Oswald and L. Ahart 1995-7-12 7000 Tehama T29N R9W NW1/4 Sec. 34, 3120 ft, Inner North Coast Ranges, Chaparral, serpentine-derived soil. W of Red Bluff and S of Platina on Forest Route 45 (Tedoc Mtn. Rd.), 3.2 mi S of Hwy. 36 950 Comment
  UC726392  Collinsia tinctoria A. A. Heller 1937-7-21 15933 Tehama near the Deer Creek Crossing e of Romo ( on the Deer Creek Road); Deer Creek Road Comment
  UC54653  Collinsia torreyi var. latifolia H. M. Hall and E. B. Babcock Jul 1 1903-Jul 2 1903 4406 Tehama near Morgan (Mount Lassen); Mount Lassen 1524 Comment
  RSA123775  Collinsia torreyi var. latifolia G. D. Barbe 1955-7-16 179 Tehama On the east ridge leading to So. Yolla Bolly (Mt. Linn). 2287 Comment
  JEPS28756  Collinsia torreyi var. wrightii George W. Gillett 1957-8-13 1050 Tehama Brokeoff Mtn trail, along first 1/4 mi above hwy Lassen Volcanic National Park 2026 Comment
  UC2042794  Collomia grandiflora Barbara Ertter with Brad Olson 1991-7-4 10232 Tehama Toomes Camp Road (Mendocino FR 23N01) 13.5 mi W of Paskenta, Mil Creek crossing 0.9 m W of Elder Creek/Riley Ridge junction ca. 27 air miles W of Corning. 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
  CHSC66561  Convolvulus arvensis Vernon H. Oswald; Lowell Ahart 1996-7-8 7961 Tehama Cascade Range Foothills. Hog Lake Plateau. BLM parcel along Hwy. 36 NE of Red Bluff. Flood plain of Paynes Creek near the mouth of the intermittent stream crossing the NE corner of the parcel. 158 Comment
  CDA34750  Conyza canadensis L. 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 miles (air) northwest of Vina. Comment
  SBBG1155  Corallorhiza striata H. and M. Dearing 1938-6-25 2131 Tehama Mineral Comment
  CDA18827  Cordylanthus pilosus Compton 1999-8-16 PDR 1231422 Tehama Meadowbrook Ranch, Hwy 36, Paynes Creek. 457 Comment
  CHSC52837  Cordylanthus pilosus subsp. hansenii L. R. Heckard; T. I. Chuang 1971-8-15 2770 Tehama Along Lanes Valley road from Paynes Creek, about 0.9 mile north of junction with route 36 (near paynes Creek). 609 Comment
  JEPS68352  Cordylanthus pilosus subsp. hansenii L. R. Heckard with R. Bacigalupi and B. Doren 1971-9-9 2793 Tehama along Reeds Creek Rd 3.7 mi e junction with Pettyjohn road (ca 12 air mi w of Red Bluff) 274 Comment
  JEPS76675  Cordylanthus tenuis L. R. Heckard 1972-6-17 2950 Tehama e slope Beegum Mt. 1188 Comment
  HSC70006  Cordylanthus tenuis subsp. viscidus Thomas W. Nelson, Jane P. Nelson 1978-7-22 4449 Tehama Along road to Handy Camp Gulch, 0.25 mi. E of Wells Creek 1372 Comment
  RSA647851  Cornus nuttallii James Buel 1957-3-6 148 Tehama Turner Mt. Trail, Lassen Nat'l Forest. Comment
  CAS-BOT-BC210559  Cornus sessilis Roxana S. Ferris 1952-5-17 12486 Tehama Along Deer Creek (State Highway 32), Potato Patch Camp Ground, Lassen National Forest Comment
  CAS-BOT-BC210560  Cornus sessilis Roxana S. Ferris 1952-5-17 12486 Tehama Along Deer Creek (State Highway 32), Potato Patch Camp Ground, Lassen National Forest Comment
  POM118226  Cornus sessilis Edward Hyatt, Marguerite Hyatt 1914-7-30 319 Tehama Deer Creek. 305 Comment
  RSA81725  Cornus sessilis Roxana S. Ferris 1952-5-17 12486 Tehama Along Deer Creek (State Highway 32), Potato Patch Campground, Lassen National Forest. 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
  HSC75053  Corylus cornuta subsp. californica J. P. Smith, Thomas W. Nelson 1978-7-22 10056 Tehama Shasta-Trinity National Forest, Wells Creek Camp. 1372 Comment
  CHSC79105  Crassula aquatica B. Castro; L. P. Janeway 2000-4-5 1058 Tehama Vicinity of Orland; adjacent to Rice Creek. 112 Comment
  CHSC79719  Crassula aquatica L. P. Janeway; B. Castro 2000-4-5 6658 Tehama Vicinity of Rice Creek, west of Hwy I-5. 109 Comment
  JEPS49994  Crassula tillaea Virginia Bailey 1938-4-16 Tehama 6 mi. w. Paskenta (on Paskenta-Covelo rd.) Comment
  CHSC61402  Crepis occidentalis subsp. conjuncta Vernon H. Oswald; Lowell Ahart 1993-8-18 5827 Tehama Lassen Volcanic National Park. Summit ridge of Mt. Conard, near the S boundary of the park. 2468 Comment
  CHSC64942  Crepis pleurocarpa Vernon H. Oswald; Lowell Ahart 1995-7-12 7027 Tehama High North Coast Ranges. W of Red Bluff and S of Platina on the summit of Tedoc Mtn. (end of Forest Road 28N60). 1615 Comment
  HSC71885  Crepis pleurocarpa Thomas W. Nelson, Jane P. Nelson 1980-6-22 5851 Tehama Shasta-Trinity National Forest, summit of Mt. Tedoc 1585 Comment
  CHSC40631  Crocidium multicaule J. D. Jokerst; H. Wurlitzer 1984-3-18 1941 Tehama On ridge south of Pine Cr. north of Pine Cr. Trail, 50 meters n. of the benchmark Pine. Foothills at the south edge of county. 473 Comment
  SEINET10873978  Croton setiger David B. Dunn 1971-8-15 Dunn 18183 Tehama 12 mi E of jct. of Hwy 36 & Hwy 99 on Hwy 36 to Lassen National Park. Comment
  CHSC96653  Crucianella angustifolia Lowell Ahart 2007-5-8 13743 Tehama Along flood plain of Dibble Creek, about 100 yards north of Highway 36, about 3.7 miles west of the intersection of Highway 36 and 99 or I-5, about 4 miles (air) northwest of Red Bluff. 111 Comment
  JEPS94763  Crucianella angustifolia Vernon Oswald and Lowell Ahart 1998-5-14 9048 Tehama Highway 36 between Red Bluff and Platina (2.3 mi e of Vestal Road) 274 Comment
  RSA692210  Crucianella angustifolia L. Ahart, J. Dittes 2003-6-11 10257 Tehama On the W side of Battle Creek. About 1 mile N of Manton Rd. About 1.5 miles (air) NE of the Colman Power House. About 5 miles (air) WSW of Darah Springs State Fish Hatchery. About 10 miles (air) ENE of Cottonwood. 153 Comment
  CDA6675  Crucianella angustifolia G. D. Barbe, J. T. Howell, T. C. Fuller 1980-5-19 2664 Tehama 23.7 km west of Old Highway 99 on Highway 36, 480 meters east of bridge over South Fork of Cottonwood Creek. Comment
  SBBG122793  Crypsis alopecuroides B. Ertter et al. 1989-10-21 8891 Tehama S side of NW arm of Black Butte Lake, W of Orland 152 Comment
  CHSC84607  Crypsis schoenoides Lowell Ahart; John Dittes 2003-9-17 10605 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
  UC1950078  Crypsis schoenoides Barbara Ertter with Elizabeth Neese, Laura Fujii, Dawn Espindola 1989-10-21 8892 Tehama S side of NW arm of Black Butte Lake W of Orland Comment
  SEINET3926254  Crypsis schoenoides Barbara Ertter, Elizabeth Neese; Laura Fujii; Dawn Espindola 1989-10-21 8893 Tehama S side of NW arm of Black Butte Lake W of Orland.; 0 152 Comment
  UCD145296  Crypsis vaginiflora Barry Hammel 1976-8-5 428 Tehama Black Butte Lake. 213 Comment
  CHSC23629  Cryptantha B. Garamendi 1974-5-10 20 Tehama Mill/Deer Creek Study Area. Peligreen Place. 975 Comment
  CHSC115817  Cryptantha affinis Lowell Ahart; John Dittes 2015-8-5 20455 Tehama East side of Child's Meadow, 150 yards west of Highway 36, 0.69 air-miles northwest intersection of State Highway 36 and Wilson Lake Road (County Road 769), 1.2 air-miles east of Doe Mt., 9.77 air-miles south of Lassen Peak. 1498 Comment
  CHSC117167  Cryptantha affinis Lowell Ahart; John Dittes 2016-6-22 21044 Tehama On the north side of the trail, about 300 yards southwest of the fish ladder on Deer Creek, about 0.8 mile (air) northeast of USFS Road 27N08 Bridge over Deer Creek, about 2 miles by trail to Highway 32. 935 Comment
  CHSC47978  Cryptantha affinis Vernon Oswald 1985-6-10 1821 Tehama Hwy 32 at Chico Creek. 1048 Comment
  CHSC80612  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
  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
  HSC82126  Cryptantha affinis Thomas W. Nelson, Jane Nelson 1979-6-25 4903 Tehama Along FS road from Stuart Gap to S Fork of Beegum Creek, 1 mi. from Stuart Gap 1372 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
  CHSC86449  Cryptantha crinita Jenny Marr; Jean Hubbell 1994-4-28 102 Tehama Department of Fish and Game Battle Creek Wildlife Area, approximately 20 miles SE of Redding. 106 Comment
  JEPS105600  Cryptantha crinita Brian Elliott with Samantha Mackey Hillaire 2003-5-31 11633 Tehama about 2 mi N of Mill Creek, about 0.05 mi N of Rancheria Creek Trailhead; Lassen National Forest, Ishi Wilderness 987 Comment
  UC1442624  Cryptantha crinita Lowell Ahart 1979-4-25 Tehama 6.4 mi n Red Bluff (on gravel bars along Blue Tent Creek (take dirt road branching of McCoy Road)); Blue Tent Creek 150 Comment
  RSA95832  Cryptantha crinita L. S. Rose 1954-4-26 54034 Tehama 1.5 miles N. of Red Bluff, flood bed of Dibble Creek 95 Comment
  CHSC67179  Cryptantha flaccida James D. Jokerst 1983-5-7 1735 Tehama On the Wurlitzer Ranch ca. 50 m E of Meridian Rd., just S of its junction with Lassen Rd. 103 Comment
  JEPS122014  Cryptantha flaccida Lowell Ahart 2014-5-8 19438 Tehama On the south side of the paved road to Berris Creek, about 0.4 mile east of the intersection with Black Butte Road, about 12 1/2 miles (air) southwest of Corning. Comment
  CHSC80615  Cryptantha hispidula Lowell Ahart 2001-6-8 8764 Tehama On the west side of road M2, about 9 miles west of Paskenta. 792 Comment
  UC1023450  Cryptantha hispidula Milo S. Baker 1953-5-10 12632 Tehama w of Paskenta (along the logging road near the 10 mi post) Comment
  JEPS67643  Cryptantha intermedia W. L. Jepson 1899-4-25 21097 Tehama Stiver's Ranch, s Tehama County 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
  JEPS90319  Cryptantha milobakeri Dean William Taylor 1972-6-17 1495 Tehama on Tedoc Mountain, along Wells Creek Wells Creek; Tedoc Mountain, Wells Creek 822 Comment
  CHSC80617  Cryptantha muricata var. jonesii Lowell Ahart 2001-6-14 8820 Tehama On the west side of road M2, about 7.5 miles west of Paskenta. 579 Comment
  CHSC60331  Cryptantha torreyana Mary Ann Showers 1992-6-26 2566 Tehama Lassen Volcanic National Park. On ridge east of Sulphur Works Entrance Station above West Sulphur Creek. 1950 Comment
  CHSC94363  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
  CHSC92719  Cupressus macnabiana R. Faust; J. Flanagan 2005-8-31 1369 Tehama Mendocino National Forest--North Coast Ranges. Elder Creek Watershed. Raglin Ridge. West edge of road 693 (Raglin Ridge Road). 865 Comment
  JEPS97440  Cuscuta californica Vernon H. Oswald and L. Ahart 1995-7-12 6996 Tehama T29N R9W NW1/4 Sec. 34, 3080 ft, Inner North Coast Ranges, Chaparral, serpentine-derived soil. W of Red Bluff and S of Platina on Forest Route 45 (Tedoc Mtn. Rd.), 3.0 mi S of Hwy. 36 938 Comment
  CHSC94424  Cuscuta californica var. breviflora Lowell Ahart 2006-8-15 13199 Tehama East of Colby Creek, west of the poor dirt road, about 3/4 mile northwest of the Snowmobile Area, about 1 1/4 miles (air) northwest of Jonesville, about 4 3/4 miles (air) northeast of Butte Meadows. 1503 Comment
  JEPS110379  Cuscuta californica var. breviflora Lowell Ahart 2006-11-9 13256 Tehama 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
  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
  CHSC64907  Cuscuta howelliana Vernon H. Oswald 1995-6-30 6953 Tehama Dales Lake Ecological Reserve. Cascade Range Foothills. W side of Manton Rd. (A6) ca. 1.0 mi n of Hwy 36 at Dales Station, ca. 14 mi ne of Red Bluff. At the s end of Dales Lake. 213 Comment
  UCD121385  Cycladenia humilis John Thomas Howell 1960-8-19 36168 Tehama Brokeoff Mountain trail. 2682 Comment
  RSA122036  Cycladenia humilis P. L. Johannsen 1936-8-20 992 Tehama 1/2 mi. NW of Colby Mtn. Comment
  CHSC56965  Cycladenia humilis var. humilis Steven Triano; Stefani Eiben 1988-5-7 149 Tehama Ca 0.1 mi ne of Gurnsey Creek Campground. 1463 Comment
  SEINET10837286  Cycladenia humilis var. humilis Billy Joe Cox, David B. Dunn 1971-6-10 Cox 2842 Tehama 14 mi E of Mineral on CA Hwy 36; at Camp in Gurnsey National Forest; andrositic flow; Abies concolor, Pinus ponderosa, P. flexilis, and Pseudotsuga menziesii. Comment
  SEINET4404015  Cymopterus Leila M. Shultz 1990-5-3 11324 Tehama North Coast Ranges; Mendocino Forest 305 Comment
  CHSC77405  Cynodon dactylon L. P. Janeway; B. Castro 1999-5-24 6481 A Tehama Along the south edge of South Fork Cottonwood Creek. 335 Comment
  HSC9503  Cynodon dactylon Larry Berti 1968-11-26 Tehama Red Bluff Comment
  CHSC57351  Cynoglossum grande S. R. Mitchelson 1987-4-12 4 Tehama Jct of N. Fork of Antelope Creek and Deadhorse Creek, ca 75 m w of jct. 935 Comment
  SEINET12568121  Cynoglossum grande E. R. House 1956-4-27 5 Tehama Alongside California State Route 36, on the way to Red Bluff. 914 Comment
  UC1001322  Cynoglossum occidentale Louise Kellogg 1952-7-15 58 Tehama directly s. of S. Yolla bolly Mt. (near Squaw Camp and Pole Corral on Boswell Ridge); North Coast Ranges, Mendocino Nat'l Forest 2133 Comment
  UC1010372  Cynoglossum occidentale Milo S. Baker and H. K. Wagnon 1953-7-11 12842 Tehama on County Rd. 3 mi. beyond Whitlock Camp; W. Tehama Co. 1524 Comment
  UC1950151  Cynoglossum occidentale Barbara Ertter with Brad Olson 1991-7-6 10352 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
  CHSC66138  Cynosurus echinatus Vernon H. Oswald; Lowell Ahart 1996-5-6 7512 .1 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
  CHSC96662  Cynosurus echinatus Lowell Ahart 2007-5-8 13750 Tehama Along flood plain of Dibble Creek, about 100 yards north of Highway 36, about 3.7 miles west of the intersection of Highway 36 and 99 or I-5, about 4 miles (air) northwest of Red Bluff. 111 Comment
  CHSC117662  Cyperus bipartitus Lowell Ahart; John Dittes 2016-8-25 21278 Tehama Along the west edge of the Sacramento River, Anderson River Park, 0.7 miles (air) upstream from Stillwater Creek Confluence 1.8 miles (air) northeast of Balls Ferry Road exit from Interstate 5 in Anderson. Undesignated section of San Buenaventura Land Grant. 117 Comment
  JEPS104226  Cyperus difformis Lowell Ahart 2003-9-17 10595 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
  CDA34747  Cyperus eragrostis L. Ahart, John Dittes 2010-10-4 17287 Tehama Along Toomes Creek, Toomes Creek at Tehama-Vina Road crossing, 1.2 miles (air) east of the Sacramento River, 3.4 miles (air) southeast of Los Molinos (High School), 3 miles (air) northwest of Vina. Comment
  CHSC88268  Cyperus eragrostis Lowell Ahart; Samantha Mackey Hillaire 2004-7-9 11185 Tehama Seep on the north side of the Mill Creek Trail (4E10), north of Mill Creek, about 3/4 mile west of the Black Rock, Black Rock Campground, and Ponderosa Way (Forest Road 28N29), about 26 miles (air) east of Red Bluff. 655 Comment
  JEPS64107  Cyperus eragrostis W. L. Jepson 1927-6-25 12355 Tehama Pine Creek rd. station 60 Comment
  JEPS88594  Cyperus eragrostis Vernon H. Oswald and Lowell Ahart 1996-6-3 7697 Tehama BLM parcel along Hwy. 36 n.e. of Red Bluff (along Paynes Creek at old bridge site); Cascade Range Foothills, Hog Lake Plateau, Paynes Creek 103 Comment
  CHSC81634  Cyperus erythrorhizos Vernon H. Oswald 2001-10-18 10061 Tehama Burris Creek Area of Black Butte Lake located at the east end of Morrison Bryant Road. On the eastly autumn strand of the reservoir. 134 Comment
  JEPS117385  Cyperus erythrorhizos Lowell Ahart, John Dittes 2010-10-4 17288 Tehama Along Toomes Creek, Toomes Creek at Tehama-Vina Road crossing, 1.2 miles (air) east of the Sacramento River, 3.4 miles (air) southeast of Los Molinos (High School), 3.0 miles (air) northwest of Vina 57 Comment
  RSA0119055  Cyperus erythrorhizos Lowell Ahart 2013-9-17 19046 Tehama Silt on high area below the high water line of Black Butte Reservoir, about 1/2 miles southwest of the Dam, about 12 miles (air) northwest of Orland. 136 Comment
  CHSC112593  Cyperus fuscus Lowell Ahart 2013-9-17 19047 Tehama High area below the high water line of Black Butte Reservoir, about 1 1/2 miles southwest of the Dam, about 12 miles (air) northwest of Orland. 135 Comment
  UCD80261  Cyperus niger CNPS SN Foothill Team 2005-6-22 SNNR 0381 a Tehama USFS Lassen National Forest. 672 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
  CHSC78918  Cyperus squarrosus Julie Cunningham; Heidi West, Caroline Warren 1998-7-14 Tehama Vicinity of North Fork Stony Creek and Newville. 195 Comment
  CHSC40801  Cyperus strigosus Pauleen Broyles 1982-7-27 813 Tehama The Nature Conservance Vina Plains Preserve. Irrigation ditch s of Lassen Road. 60 Comment
  CHSC68927  Cystopteris fragilis Vernon Oswald; Lowell Ahart 1997-7-7 8711 Tehama Forest Route 35 at a branch of the South Fork of Beegum Creek 0.4 mi west of Rat Trap Gap, north side of the Yolla Bolly-Middle Eel Wilderness. 1706 Comment
  JEPS94915  Cystopteris fragilis Vernon H. Oswald and Lowell Ahart 1997-5-14 8430 Tehama on Ponderosa Way (Forest Rd. 28N29) between Paynes Creek and Cohasset (6.7 mi s of Plum Creek Rd., 0.6 mi sw of Middle Fork Antelope Creek) 1011 Comment
  CAS-BOT-BC70557  Cystopteris fragilis Douglas Barbe s.n. Tehama Trail to Square Lake 2072 Comment
  CAS-BOT-BC445496  Damasonium californicum John R. Reeder; Charlotte G. Reeder 1975-6-4 6669 Tehama Ca. 4 miles SW of Dales--ca. 11 miles NE of Red Bluffs. 274 Comment
  CAS-BOT-BC194332  Danthonia unispicata B. Crampton 1954-6-16 1999 Tehama Whitlock Camp - Round Mountain area to the west of Paskenta Comment
  SEINET3926978  Danthonia unispicata Helen K. Sharsmith 1954-6-24 4348 Tehama Southwest ridge leading to Eagle Peak, one mile below summit, Mendocino National Forest.; 0 1067 Comment
  SBBG2730  Darmera peltata H. and M. Dearing 1938-6-21 2060 Tehama Chico Crk, 6 mi N of Loma [Lomo] Comment
  JEPS88589  Daucus pusillus Vernon H. Oswald and Lowell Ahart 1996-5-20 7564 Tehama BLM parcel along Hwy. 36 n.e. of Red Bluff (near Hwy. 36 at n. tip of parcel); Cascade Range Foothills 201 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
  RSA424753  Delphinium hansenii Aaron Liston, M. A. Blumler 1987-4-24 654 -15 Tehama Hwy 36 between Dales and Paynes Creek; 4-5 miles SW of Dales. Comment
  CHSC118480  Delphinium hesperium subsp. hesperium Don Lepley 2016-5-15 Tehama Lassen National Forest. Almanor Ranger District. On mildly sloping bench ~70 yards south of Plum Creek; 1.4 air miles south-southeast of town of Paynes Creek. 601 Comment
  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
  RSA647853  Delphinium nuttallianum James Buel 1957-6-30 137 Tehama Turner Mt. Trail, Lassen National Forest Comment
  UCD22592  Delphinium nuttallianum L. K. Mann 1959-6-7 s.n. Tehama About 1 mile from State Highway 36 on cutoff to Lyonsville. Comment
  RSA518657  Delphinium patens Joseph Grinnell 1928-6-24 s.n. Tehama Mineral. 1463 Comment
  CHSC102333  Delphinium patens subsp. patens L. P. Janeway; B. Castro 2009-4-25 9742 Tehama Cascade Range Foothills. Tehama Wildlife Area; along the Powerline Road near the Shaw Creek Bridge over an un-named northeastern fork of Shaw Creek. 518 Comment
  CHSC70900  Delphinium patens subsp. patens Vernon Oswald; Lowell Ahart 1998-4-27 8962 Tehama Cannon Rd. 1.1 mi west of its junction with Hwy. 36 west of Red Bluff. 256 Comment
  CAS-BOT-BC122009  Delphinium variegatum L. Constance; J. L. Morrison 1938-5-1 2179 Tehama Low hills at Paskenta, Inner North Coast Ranges 304 Comment
  CHSC27526  Delphinium variegatum Greg Halcomb 1978-4-8 9 Tehama Roadside, intersection of Lassen Rd. and Lenninger Rd.; 1/2 mi n on Lenninger Rd. and ca. 50 ft w; 14.9 mi n of legal Chico city limits. 68 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
  UCD96666  Delphinium variegatum A. A. Heller 1916-4-20 12329 Tehama 3 miles N of Red Bluff. Comment
  UCR11243  Delphinium variegatum Wm. Horn Jr. 1967-5-28 670528 6 Tehama Highway 36, 23 mi west of Red Bluff 244 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
  UCD63531  Deschampsia elongata A. A. Beetle 1941-6-27 2752 Tehama 1 mile south of junction of Rt. 32 and 36, 13 miles west of Chester. 1524 Comment
  UCD63741  Deschampsia elongata Collector Unknown 1940-8-14 9811 Tehama About Government Flat near the Mendocino Co. line. Comment
  JEPS16227  Dicentra formosa Joseph Grinnell with Mary E. Grinnell 1927-5-14 Tehama Mineral 1463 Comment
  UC1001315  Dicentra formosa Louise Kellogg 1952-7-14 41 Tehama from Ovenlid to South Yolla Bolly Mountain (Square Lake trail); North Coast Ranges, Mendocino National Forest 1828 Comment
  UC54484  Dicentra formosa H. M. Hall and E. B. Babcock Jul 1 1903-Jul 2 1903 4390 Tehama near Morgan (Morgan Spring Valley); Mount Lassen, Mill Creek Canyon 1524 Comment
  LA85181  Dicentra formosa O. H. Kappler; 1949-7-27 2027 Tehama Lassen National Park, Falls Camp 1950 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
  CHSC107082  Dichelostemma capitatum M. Mitchell 2010-2-25 55 Tehama Dye Creek Preserve. 94 Comment
  CHSC28814  Dichelostemma capitatum subsp. capitatum D. L. Daniels 1979-4-7 17 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
  CHSC64247  Dichelostemma capitatum subsp. capitatum Lisa Krajcirik 1990-3-24 3 Tehama Ca. 1 mi e of Hwy 99W ca. 1000 ft n Thomes Creek. 91 Comment
  CHSC64399  Dichelostemma capitatum subsp. capitatum Vernon H. Oswald; Lowell Ahart 1995-3-6 6513 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. 195 Comment
  CHSC71058  Dichelostemma congestum Vernon Oswald; Lowell Ahart 1998-5-14 9049 Tehama Hwy. 36 between Red Bluff and Platina, 2.3 mi east of Vestal Rd. 274 Comment
  JEPS110420  Dichelostemma congestum Lowell Ahart 2006-7-11 12957 Tehama Meadow area south of the dirt road, about 50 yards southeast of where the dirt road crosses Colby Creek, about 2 miles (air) southeast of Colby Mountain, about 5 miles (air) northeast of Butte Meadows 1518 Comment
  RSA718218  Dichelostemma congestum Lowell Ahart 2006-7-11 12957 Tehama S of the dirt road, about 50 yrds SE of where the dirt road crosses Colby Creek, about 2 miles (air) SE of Colby Mtn, about 5 miles (air) NE of Butte Meadows. 1519 Comment
  SEINET11268188  Dichelostemma multiflorum Barbara Ertter 1990-5-12 8929 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
  UCD139249  Dichelostemma multiflorum Clara Bishop 1929-4-1 1969 Tehama near Red Bluff. Comment
  CAS-BOT-BC502806  Dichelostemma volubile R. F. Hoover 1939-5-11 4103 Tehama Foothills above Paskenta on road to Covelo Comment
  JEPS101587  Dieteria canescens var. shastensis Dean W. Taylor 1997-7-18 16138 Tehama headwaters North Fork Elder Creek 1981 Comment
  CHSC30002  Diplacus kelloggii John Griffith 1980-4-23 36 Tehama Ponderosa Way 1.8 mi n of Deer Creek. 658 Comment
  CHSC62648  Diplacus kelloggii Vernon H. Oswald; Lowell Ahart 1994-3-8 5983 Tehama Round Valley Rd. 0.2 mi S of the E end of Mud Flat Rd., SW of Paskenta. 390 Comment
  CHSC108075  Diplacus layneae B. Castro; L. P. Janeway 2000-6-11 1280 Tehama Inner North Coast Ranges. E-facing slope below Raglin Ridge Rd, near the top of Raglin Ridge, above Pepperwood Spring. Stony flat opening ca 20 ft SE of road. 899 Comment
  SBBG15310  Diplacus layneae H. and M. Dearing 1938-6-22 2072 Tehama Potato Patch Public Camp, Deer Crk 1080 Comment
  CAS-BOT-BC151453  Diplacus nanus James R. Shevock 1985-6-22 11236 Tehama Mendocino National Forest, along forest road M-2, just north of Government Flat Campground - Northern Coast Ranges 1752 Comment
  CHSC63421  Diplacus nanus Vernon H. Oswald 1994-6-11 6270 Tehama Tedoc Rd. (Forest Rd. 45) 0.5 mi N of Tedoc Gap, W of Red Bluff and S of Plantina. 1365 Comment
  CAS-BOT-BC151454  Diplacus nanus C. Hart Merriam 1916-9-1 s.n. Tehama Top of South Yolla Bolla Comment
  CHSC83642  Diplacus torreyi L. P. Janeway 2001-6-24 7218 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
  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
  CHSC14048  Dodecatheon clevelandii subsp. patulum J. F. Goodwin 1972-3-4 250 Tehama Ca. 2.6 mi e on Vina Rd from Hwy 99 to Reed Orchard Rd, ca. .8 mi e on Reed Orchard Rd in cow pasture. Comment
  HSC89734  Dodecatheon clevelandii subsp. patulum Robin Bencie, James Jones, Rich Dwerlkotte 1989-3-31 6 Tehama Hwy. 36, approx. 11 mi. E of Sacramento River in Red Bluff 274 Comment
  CHSC77367  Dodecatheon hendersonii Heidi West; L. P. Janeway 1999-3-3 Tehama Vicinity of Sunflower Gulch and Red Bank Creek. 304 Comment
  SEINET194882 Image available Dodecatheon hendersonii A. A. Heller 1918-4-28 13002 Tehama Bennett Springs. Comment
  UC725483  Dodecatheon hendersonii A. A. Heller 1918-4-28 13002 Tehama Bennett Springs Comment
  JEPS14659  Dodecatheon jeffreyi W. L. Jepson 1897-7-24 14589 Tehama South Yallo Balley Comment
  JEPS76640  Downingia bacigalupii L. R. Heckard 1972-6-18 2985 Tehama sw of Tedoc Mt. 1371 Comment
  CHSC31134  Downingia bicornuta W. F. Babb 1980-4-26 14 Tehama On the e side of Leininger Rd. ca. 600 m from its junction with Hwy 99E ca. 25.5 km n of Chico. Comment
  CHSC40710  Downingia bicornuta Pauleen Broyles 1982-4-28 478 Tehama The Nature Conservancy Vina Plains Preserve. Wallow in bed of irrigation ditch below holding dam. 65 Comment
  UC765401  Downingia bicornuta var. bicornuta R. F. Hoover 1937-5-19 2292 Tehama s of Red Bluff (Coyote Creek bridge); Coyote Creek Comment
  UC765402  Downingia bicornuta var. bicornuta R. F. Hoover 1937-5-19 2258 Tehama near Vina 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
  RSA32877  Downingia cuspidata A. A. Heller 1941-4-27 16081 Tehama Volcanic uplands E of Red Bluff, near State Hwy 36. Comment
  JEPS108455  Downingia pusilla Lisa Schultheis with Carol Witham 1995-4-13 4 -95 Tehama Near Red Bluff. Pool along PG&E pipeline; south of Gylie Rd.; west of Rawson Comment
  CDA15515  Draba verna R. L. Green 1999-5-6 PDR 1231337 Tehama North Coast Ranges; Red Bluff. 0 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
  CHSC55199  Draba verna var. aestivalis L. P. Janeway 1991-3-28 3857 Tehama Battle Creek Wildlife Area. In ravine draining into Battle Creek; 1 1/2 mi east of the Sacramento River. Bottom of ravine. 152 Comment
  CHSC64344  Draba verna var. aestivalis Vernon H. Oswald; Lowell Ahart 1995-2-13 6482 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 an old abandoned road paralleling the e boundary, on the high point of a basalt ridge running through the ne corner of the reserve. 228 Comment
  UC638721  Drymocallis Ethel Crum 1937-8-7 1953 Tehama meadow 1.6 mi nw Mineral Summit; nw of Mineral Summit 1463 Comment
  UCD136422  Dryopteris arguta Dean W. Taylor 1976-7-9 6041 Tehama At headwaters of Cub Creek. 1859 Comment
  CHSC66878  Dysphania ambrosioides Vernon H. Oswald; Lowell Ahart 1996-9-4 8261 Tehama Hog Lake Plateau. BLM parcel along Hwy. 36 NE of Red Bluff. Cascade Range Foothills. Scattered plants on gravel bars along Paynes Creek ca. 1 mi upstream from the old bridge site. 131 Comment
  HSC93240  Dysphania chilensis Vernon H. Oswald, L. Ahart 1996-9-4 8261 Tehama BLM Parcel along Hwy. 36 NE of Red Bluff, Cascade Range Foothills, Paynes Creek, 1 mi. upstream from the old bridge site 131 Comment
  CHSC117641  Echinochloa colona Lowell Ahart; John Dittes 2016-8-25 21284 Tehama About the west edge of the Sacramento River, Anderson River Park, 0.7 mile (air) upstream from Sillwater Creek Confluence, 1.8 miles (air) northeast of Balls Ferry Road exit from Interstate 5 in Anderson. Undesignated section of San Buenaventura Land Grant. 117 Comment
  CHSC41048  Echinochloa crus-galli Pauleen Broyles 1982-7-22 812 Tehama The Nature Conservancy Vina Plains Preserve. N of barn in s pasture. 63 Comment
  CHSC66892  Echinochloa crus-galli Vernon H. Oswald; Lowell Ahart 1996-9-4 8250 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. 182 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
  POM257067  Echinochloa crus-galli Virginia Long 1931-8-14 102 a Tehama Corning; drainage ditch along highway [adjacent to] rice fields. 79 Comment
  SEINET10564132  Echinochloa crus-galli Virginia E. Long 1931-8-14 Long 102 a Tehama Corning, Abundant in drainage ditch along highway. Common in rice fields. 79 Comment
  RSA767834  Elatine brachysperma L. Ahart, John Dittes 2010-7-17 16845 Tehama Bare strand of pond, Soap Creek Ranch, about 4.8 air miles southeast of Manton, about 2 air miles north of Highway 36. 813 Comment
  CHSC40809  Elatine heterandra Pauleen Broyles 1982-5-21 647 Tehama 60 Comment
  JEPS88138  Eleocharis acicularis Vernon H. Oswald and Lowell Ahart 1996-7-8 7970 Tehama BLM parcel along Hwy 36 ne Red Bluff (flood plain of creek e of mouth of intermittent stream crossing ne corner of parcel); Cascade Range Foothills, Hog Lake Plateau, Paynes Creek 158 Comment
  CAS-BOT-BC113742  Eleocharis acicularis Philip Alexander Munz 1951-7-26 16952 Tehama On sandy lake shore, Square Lake, n. base of South Yolla Bolly Pk. 2133 Comment
  JEPS104428  Eleocharis flavescens var. flavescens Lowell Ahart 2003-9-17 10600 Tehama On a gravel bar on the south side of Deer Creek, ca 400 yd e of Highway 99, ca 5 mi (air) se of Los Molinos. 60 Comment
  CDA38947  Eleocharis macrostachya L. Ahart 2004-6-28 11136 Tehama Gravel bar on the south side of Thomes Creek, about 1/4 mile east of Paskenta. Comment
  CAS-BOT-BC112781  Eleocharis macrostachya R. E. Frenkel 1964-7-11 693 Tehama On CA Hwy 36, immediately west of Mineral Lidge. 1463 Comment
  CHSC84513  Eleocharis parishii John Dittes; Lowell Ahart 2003-6-12 2003 -67 Tehama Cascade Range Foothills; ca. 5.0 air-mile east of Sacramento River, ca. 6.4 air-miles north by northeast of Dales, ca. 0.4, air-mile south of Battle Creek. Along Spring Branch Tributary of Battle Creek. 176 Comment
  JEPS104221  Eleocharis parishii Lowell Ahart 2003-6-11 10269 Tehama Seep 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
  UCD80269  Eleocharis parishii CNPS SN Foothill Team 2005-6-7 SNNR 0165 a Tehama TNC Dye Creek Preserve. 350 Comment
  CHSC40803  Eleocharis radicans Pauleen Broyles 1982-5-10 558 Tehama The Nature Conservancy Vina Plains Preserve. Bank of irrigation ditch. 60 Comment
  CDA33181  Eleocharis suksdorfiana L. Ahart, John Dittes, Josephine Dittes 2003-8-23 10533 Tehama About 50 yards east of Square Lake, about 3/4 mile northeast of Mount Linn, South Yolla Bolly. Comment
  CHSC64586  Elymus caput-medusae Vernon H. Oswald; Lowell Ahart 1995-4-3 6582 Tehama Cascade Range Foothills. Dales Lake Ecological Reserve. W side of Manton Rd. (A6) ca. 2 mi n of Dales Station on Hwy. 36, ca. 14 mi ne of Red Bluff. On the slope between the two streams converging at the w boundary on the s edge of the ridge crossing the nw corner of the reserve. 201 Comment
  HSC102681  Elymus caput-medusae J. P. Smith 2013-5-5 13695 Tehama Along State Route 36, southeast of Hog Lake. 162 Comment
  JEPS122130  Elymus caput-medusae Lowell Ahart, John Dittes 2014-5-16 19491 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
  RSA201352  Elymus elymoides J. T. Howell 1960-8-19 36165 Tehama Brokeoff Mountain trail 2683 Comment
  CAS-BOT-BC227934  Elymus elymoides John Thomas Howell 1960-8-18 36082 Tehama Lassen Volcanic National Park. Sulphur Works Checking Station 2011 Comment
  CHSC80716  Elymus elymoides subsp. californicus Lowell Ahart 2001-6-8 8806 Tehama On the west side of road M2, about 9 miles west of Paskenta. 792 Comment
  JEPS98967  Elymus elymoides subsp. californicus Lowell Ahart 2001-6-8 8806 Tehama On the west side of road M2, about 9 miles west of Paskenta. 792 Comment
  HSC1784  Elymus glaucus Larry Berti 1969-5-9 89 Tehama Antelope Creek Canyon, N face, 12 mi. E of Red Bluff, 3 mi. upstream from dam. 213 Comment
  UCD80541  Elymus glaucus CNPS SN Foothill Team 2005-6-29 SNNR 0437 a Tehama USFS Lassen National Forest. 969 Comment
  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
  CHSC86978  Elymus glaucus subsp. glaucus Jenny Marr; Heidi West, Caroline Warren, Natalie Wight 1998-7-9 Tehama Vicinity of Red Bank Creek and Sunflower Gulch. South bank of creek. 289 Comment
  UCD62334  Elymus glaucus subsp. glaucus A. A. Beetle 1941-6-27 2750 Tehama 20 miles northeast of Lomo, rte. 32, banks above Deer Creek. Comment
  CHSC66098  Elymus multisetus Vernon H. Oswald; Lowell Ahart 1996-5-27 7639 Tehama Northwest side of Sacramento Valley. Thomes Creek Ecological Reserve. CDFG parcel on the S side of Gyle Rd. NW of Corning. On the S bank of the creek ca. 0.2 mi E of the W boundary of the reserve. 102 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
  CHSC80654  Emmenanthe penduliflora var. penduliflora Lowell Ahart 2001-6-8 8807 Tehama On the west side of road M2, about 9 miles west of Paskenta. 792 Comment
  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
  JEPS108868  Epilobium brachycarpum Lowell Ahart 2006-7-26 13075 Tehama On the west edge of the dirt road, about 20 yards east of where the dirt road crosses Colby Creek, about 2 miles (air) southeast of Colby Mountain, about 5 mile (air) northeast of Butte Meadows 1518 Comment
  JEPS38192  Epilobium campestre W. L. Jepson 1927-6-25 12350 Tehama Pine Creek road sta. 60 Comment
  OBI12148  Epilobium campestre Robert F. Hoover 1968-5-29 11133 Tehama 4 mi SE of Vina Comment
  CDA38078  Epilobium ciliatum subsp. ciliatum L. Ahart 2004-6-28 11128 Tehama Gravel bar on the south side of Thomes Creek, about 1/4 mile east of Paskenta. 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
  CHSC88238  Epilobium ciliatum subsp. ciliatum Lowell Ahart; Samantha Mackey Hillaire 2004-7-9 11199 Tehama Seep on the north side of the Mill Creek Trail (4E10), north of Mill Creek, about 3/4 mile west of the Black Rock, Black Rock Campground, and Ponderosa Way (Forest Road 28N29), about 26 miles (air) east of Red Bluff. 655 Comment
  CHSC88256  Epilobium ciliatum subsp. ciliatum Lowell Ahart; Samantha Mackey Hillaire 2004-7-9 11199 A Tehama Seep on the north side of the Mill Creek Trail (4E10), north of Mill Creek, about 3/4 mile west of the Black Rock, Black Rock Campground, and Ponderosa Way (Forest Road 28N29), about 26 miles (air) east of Red Bluff. 655 Comment
  CHSC88288  Epilobium ciliatum subsp. ciliatum Lowell Ahart 2004-6-28 11128 Tehama Gravel bar on the south side of Thomes Creek, about 1/4 mile east of Paskenta. 213 Comment
  JEPS108875  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
  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
  HSC93244  Epilobium ciliatum subsp. ciliatum Vernon H. Oswald, L. Ahart 1996-9-4 8265 Tehama Hog Lake Plateau: BLM parcel along Hwy. 36 NE of Red Bluff, Cascade Range Foothills, edge of Paynes Creek, 1 mi. upstream from the old bridge site 131 Comment
  CHSC94301  Epilobium ciliatum subsp. glandulosum Lowell Ahart 2006-7-25 13076 Tehama In a small meadow on the west side of the road, about 20 yards east of where the dirt road crosses Colby Creek, about 2 miles (air) southeast of Colby Mountain, about 5 miles (air) northeast of Butte Meadows. 1518 Comment
  POM256109  Epilobium ciliatum subsp. glandulosum Milo S. Baker 1940-8-14 9813 Tehama Meadow near Murphy s, Government Flat, along trail to Cherry Lake Comment
  CHSC43398  Epilobium cleistogamum Lowell Ahart 1978-5-23 1736 Tehama On the bottom of a vernal pool, near the edge of Foothill Road, about 4 miles east of Red Bluff. 67 Comment
  JEPS104058  Epilobium densiflorum Lowell Ahart 2003-6-11 10246 Tehama On the w side of Battle Creek, ca 1 mi n of Manton Rd, ca 1 1/2 mi (air) ne of the Colman Power House, ca 5 mi (air) wsw of Darah Springs State Fish Hatchery, ca 10 mi (air) ene of Cottonwood. 153 Comment
  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
  CHSC64628  Epilobium foliosum Vernon H. Oswald; Lowell Ahart 1995-4-25 6691 Tehama Cascade Range Foothills. Dales Lake Ecological Reserve. W side of Manton Rd. (A6) ca. 2 mi n of Dales Station on Hwy. 36, ca. 14 mi ne of Red Bluff. On the n edge of the basalt ridge crossing the nw corner of the reserve. 204 Comment
  JEPS95718  Epilobium foliosum Vernon H. Oswald and L. Ahart 1995-6-13 6866 Tehama T29N R2W NW1/4 SW1/4 Sec. 26, 720 ft. Dales Lake Reserve on the W side of Manton Rd. (A6) ca. 1.5 mi n of Hwy. 36 at Dales Station, ca. 14 mi ne of Red Bluff 219 Comment
  UC575019  Epilobium glaberrimum subsp. glaberrimum C. Epling, Wm. Robison 1935-7-16 Tehama near Mineral Comment
  CHSC48631  Epilobium hornemannii subsp. hornemannii Vernon Oswald 1988-7-12 3570 Tehama Ides Cove Loop Trail (9W04), South Yolla Bolly Mts, at a spring located 0.88 mi w of the trailhead. 2130 Comment
  CHSC86781  Epilobium minutum Jenny Marr; Heidi West, Caroline Warren, Natalie Wight 1998-6-9 Tehama Vicinity of Red Bank Creek and Sunflower Gulch. 289 Comment
  UC1010398  Epilobium minutum Keith Wagnon 1953-5-3 12668 Tehama w Paskenta (along logging rd) Comment
  JEPS39220  Epilobium obcordatum Jos. Grinnell 1925-7-27 Tehama Brokeoff Mt. 2865 Comment
  RSA795889  Epilobium pallidum L. Ahart 2012-6-2 18145 Tehama East side of Long Road, about 6.7 miles northeast of Dales and State Highway 36, northeast of Red Bluff. 326 Comment
  UC765019  Epilobium pallidum R. F. Hoover 1938-6-10 3588 Tehama s Red Bluff; Coyote Creek bridge Comment
  CHSC107358  Epilobium torreyi Lowell Ahart; John Dittes 2011-6-9 17444 Tehama Rio De Los Molinos Land Grant. Sand dune area, about 100 yards south of the fence, 1.6 miles (air) east of Highway 99, 2.4 miles (air) north of Vina. 80 Comment
  CHSC109230  Epilobium torreyi Robert Fischer 2012-5-20 1063 Tehama Northern Sacramento Valley, north of Chico, within the southernmost portion of Tehama County, off of Hwy 99 and 0.4 miles west on Haille Road. Vina Plains Preserve, Wurlizer Unit. 56 Comment
  CHSC113343  Epilobium torreyi Lowell Ahart; John Dittes 2014-5-16 19480 Tehama Along the sides of the poor dirt road, about 200 yards southwest of the lone oak tree, about 1/2 mile east of the end of Lyon Cattle Road, about 3 miles (air) northeast of Los Molinos. 99 Comment
  UC1736444  Epipactis gigantea Dean W. Taylor 1972-6-18 1524 Tehama Wells Creek campground, on east side of Mt. Tedoc 914 Comment
  CHSC56962  Equisetum arvense Steven Triano; Stefani Eiben 1988-5-7 155 Tehama Behind Mineral General Store. 1536 Comment
  CHSC7193  Equisetum hyemale subsp. affine Lynn R. Thomas 1969-4-18 106 Tehama N side of Deer Creek, s edge of Calif. 32, 8 mi w of junction with Calif. 36. 1219 Comment
  CHSC117644  Equisetum telmateia subsp. braunii Lowell Ahart; John Dittes 2016-8-24 21268 Tehama About 100 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
  CHSC81644  Eragrostis hypnoides Vernon H. Oswald 2001-10-18 10064 Tehama Burris Creek Area of Black Butte Lake located at the east end of Morrison Bryant Road. On the eastly autumn strand of the reservoir. 134 Comment
  CHSC107256  Eragrostis pectinacea var. pectinacea Lowell Ahart; John Dittes 2011-6-9 17445 Tehama Rio De Los Molinos Land Grant. About 100 yards south of the fence, 1.6 miles (air) east of Highway 99, 2.4 miles (air) north of Vina. In a large vernal pool, sand dune area. 80 Comment
  JEPS118022  Eragrostis pectinacea var. pectinacea Lowell Ahart, John Dittes 2011-6-9 17445 Tehama Rio De Los Molinos Land Grant. About 100 yards south of the fence, 1.6 miles (air) east of Highway 99, 2.4 miles (air) north of Vina. In a large vernal pool, sand dune area 80 Comment
  SD211509  Eragrostis pilosa var. pilosa Barbara Ertter, Elizabeth Neese, et al 1989-10-21 8890 Tehama South side of Northwest arm of Black Butte Lake West of Orland 152 Comment
  SEINET1910267  Eragrostis pilosa var. pilosa Barbara Ertter, Elizabeth Neese, Laura Fujii, Dawn Espindola 1989-1 8890 Tehama S. side of NW arm of Black Butte Lake W of Orland. 152 Comment
  CHSC64491  Eriastrum brandegeeae J. Molter 1993-7-20 767 a Tehama Along edges of Pettyjohn Rd. (Long grade). 719 Comment
  CHSC80238  Eriastrum brandegeeae B. Castro; L. P. Janeway 2000-6-7 1197 Tehama Vicinity of Paskenta and Thomes Creek, on NE end of NE-trending ridge in hills S of main ck. 362 Comment
  CHSC92151  Eriastrum brandegeeae J. Molter 1993-6-26 766 b Tehama Along aband. rd. 640 Comment
  CHSC92153  Eriastrum brandegeeae J. Molter 1993-7-20 767 C Tehama Along edges of Pettyjohn Rd. (Long grade). Comment
  CHSC105906  Ericameria greenei B. Castro; L. P. Janeway 1999-8-23 1034 E 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. 1999 Comment
  CHSC85312  Ericameria greenei John Dittes; Josephine Guardino, Lowell Ahart 2003-8-23 804 Tehama High North Coast Range; Yolla Bolly-Middle Eel Wilderness; South Yolla Bolly Mountains; north slope of eastern ridge of Mt. Linn; ca. 0.2 air-mile east by northeast of Square Lake. 2144 Comment
  RSA90482  Ericameria linearifolia Keith Wagnon 1953-5-9 12615 Tehama Logging road west of Paskenta in foothills at 6 mi post above the road Comment
  CHSC61765  Erigeron compositus Vernon H. Oswald; Lowell Ahart 1993-9-2 5911 Tehama Ridge running E from Mt. Linn, South Yolla Bolly Mtns., ca. 20 mi (air) NW of Paskenta. 2438 Comment
  RSA0113457  Erigeron coulteri Henry J. Ramsey, Henry J. Ramsey 1938-8-3 1724 Tehama Mineral King. Comment
  CHSC57345  Erigeron divergens B. G. Clark 1987-4-6 15 Tehama 3.1 mi east on Hogsback Rd approx 4 mi east of Red Bluff on hwy 99 and 1 mi east of hwy 36 jct with 99. 243 Comment
  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
  CAS-BOT-BC295156  Erigeron inornatus John Thomas Howell 1960-8-20 36222 Tehama Near Lassen Volcanic National Park. Morgan 1463 Comment
  CHSC101394  Erigeron inornatus var. inornatus David Isle 1992-7-29 1557 Tehama Upper Forks Ridge, S of 24N01.2, between 24N02.1-24N32 jcts. 1737 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
  HSC82446  Erigeron inornatus var. inornatus Thomas W. Nelson, Jane P. Nelson, R. J. Cole 1979-7-27 5051 Tehama Along road from Regan Meadow to Brushy Mtn., 1 mi. NW of Regan Meadow 1433 Comment
  JEPS97372  Erigeron inornatus var. inornatus Vernon H. Oswald and L. Ahart 1995-7-31 7167 Tehama T29N R1W SE1/4 SE1/4 Sec. 11, 1500 ft, Cascade Range Foothills, Chaparral. Lane Valley Rd. 3.3 mi N of Hwy. 36, N of Paynes Creek 457 Comment
  SEINET8667557 Image available Erigeron inornatus var. inornatus D. E. Lepley 2006-7-7 s.n. Tehama Northwest flank of Colby Mountain. Take Road 27N06 4.3 miles east from Highway 32 (junction less than a mile south of highway's lowest Deer Creek crossing). 1487 Comment
  CHSC43604  Erigeron lassenianus var. lassenianus Vernon Oswald 1983-7-26 931 Tehama Calif. Hwy 36, 1.7 m w of Mineral. Beside road. 1493 Comment
  CHSC118406  Erigeron philadelphicus var. philadelphicus Tim Kask 2016-5-3 271 Tehama Antelope Cr. drainage, McClure Tr. seep. 10T 0599398/4458179 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
  UCD119310  Eriodictyon lobbii Dean W. Taylor 1976-7-9 6060 Tehama Headwaters of Cub Cr. 1859 Comment
  UC1037406  Eriogonum compositum var. compositum Douglas Barbe 1955-7-21 226 Tehama w shore of Square Lake Square Lake 2103 Comment
  RSA93056  Eriogonum compositum var. compositum Milo S. Baker, H. K. Wagnon 1954-7-10 12975 Tehama East of county road 6.1 miles above Whitlock Camp 1829 Comment
  CHSC78887  Eriogonum dasyanthemum Julie Cunningham; Heidi West, Caroline Warren 1998-5-14 Tehama Vicinity of North Fork Stony Creek, Round Valley Road, and Newville Road (Garland Road). 274 Comment
  OBI11128  Eriogonum dasyanthemum Carl B. Wolf 1937-9-6 9295 Tehama Inner North Coast Range, Paskenta-Covelo rd 457 Comment
  UC85723  Eriogonum dasyanthemum T. S. Brandegee 1892-9-20 Tehama Yolo Bolo Comment
  SEINET1910011  Eriogonum dasyanthemum Barbara Ertter 1991-1 10791 Tehama sw Tehama Co.: Round Valley - Paskenta road (Rt M4) 12.2 mi W of Newville Road jct, ca 9 airmiles WSW of Paskenta 1219 Comment
  CHSC64982  Eriogonum libertini Vernon H. Oswald; Lowell Ahart 1995-7-12 7039 Tehama W of Red Bluff and S of Platina on the summit of Tedoc Mtn. (end of Forest Road 28N60). Common in open forest. 1615 Comment
  RSA700223  Eriogonum libertini L. P. Janeway 2001-6-10 7136 Tehama High North Coast Ranges: At Tedoc Gap. 1372 Comment
  SEINET3859993 Image available Eriogonum libertini James L. Reveal 1978-7-19 4788 Tehama Tehama Co.: Inner Coast Range, along Tedoc Road 11.4 miles south of California Highway 36 (Beegum Road) and 0.9 mile north of Tedoc Gap.; 0 1387 Comment
  POM303699  Eriogonum lobbii var. lobbii J. T. Howell 1943-8-8 19175 Tehama Anthony Peak, Tehama-Mendocino Co. Comment
  RSA279668  Eriogonum luteolum James L. Reveal 1978-7-19 4789 Tehama Inner Coast Range, along Tedoc Road 11.4 miles south of California Highway 36 (Beegum Road) and 0.9 mile north of Tedoc Gap. 1387 Comment
  CHSC75518  Eriogonum luteolum var. luteolum G. F. Hrusa 1996-8-17 13509 Tehama On edges of dry, gravelly creekbed of Blue Tent Creek. Immediately downstream from Jelly's Ferry Rd. crossing, and adjacent to Interstate 5. 200 Comment
  HSC74855  Eriogonum nudum var. nudum J. P. Smith, Thomas W. Nelson 1978-7-22 10024 Tehama Shasta-Trinity National Forest, Tedoc Mtn. 1614 Comment
  UC1949196  Eriogonum nudum var. pubiflorum Barbara Ertter with Brad Olson 1991-6-4 10184 Tehama Toomes Camp Rd (Mendocino FR 23N01) 5.3 mi W of Paskenta, ca 22 airmiles W of Corning Comment
  CHSC84599  Eriogonum roseum var. roseum Lowell Ahart; John Dittes 2003-9-17 10587 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
  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
  UC596255  Eriogonum tripodum R. F. Hoover 1938-6-10 3591 Tehama creek-bed n Jelley's Ferry Comment
  CAS-BOT-BC267966  Eriogonum umbellatum var. argus C. Hart Merriam No date on label s.n. Tehama S. Yolla Bolla, top Comment
  CAS-BOT-BC262202  Eriogonum ursinum H. F. Copeland 1920-7-17 97 Tehama On top of Butt Mt 1828 Comment
  JEPS28768  Eriogonum ursinum George W. Gillett 1957-8-13 1065 Tehama near east cliffs of main Brokeoff structure (Brokeoff Mountain); Lassen Volcanic National Park, Brokeoff Mountain 2514 Comment
  JEPS117399  Eriogonum vimineum Lowell Ahart, John Dittes 2010-10-4 17291 Tehama Along Toomes Creek, Toomes Creek at Tehama-Vina Road crossing, 1.2 miles (air) east of the Sacramento River, 3.4 miles (air) southeast of Los Molinos (High School), 3.0 miles (air) northwest of Vina 57 Comment
  CHSC88531  Eriophyllum lanatum var. achilleoides Jenny Marr; Beth Hendrickson 1999-5-28 Tehama Vicinity of Long Hollow, Grizzly Creek, and Bluedoor Flat. 289 Comment
  CHSC77305  Eriophyllum lanatum var. aphanactis Heidi West; Caroline Warren 1999-5-5 Tehama Vicinity of upper North Fork Stony Creek, Rocky Ridge, and Newville. 228 Comment
  CHSC66473  Eriophyllum lanatum var. grandiflorum Vernon H. Oswald; Lowell Ahart 1996-5-20 7592 Tehama Cascade Range Foothills. Hog Lake Plateau. BLM parcel along Hwy. 36 NE of Red Bluff. Slope above Paynes Creek. 164 Comment
  CHSC75351  Eriophyllum lanatum var. grandiflorum Ben Myhre 1997-4-14 18 Tehama Dye Creek Preserve, 8 miles north of Los Molinos. About 1/4 mile west of the mouth of Dye Creek Canyon. 106 Comment
  JEPS34491  Eriophyllum lanatum var. grandiflorum W. L. Jepson 1934-5-4 16623 Tehama 2 mi e Andrews road sta.; Big Antelope Creek Comment
  JEPS76660  Eriophyllum lanatum var. grandiflorum L. R. Heckard 1972-6-17 2964 Tehama nw side Tedoc Mt. (along new road around w of mountain) 1280 Comment
  CHSC67226  Erodium brachycarpum James D. Jokerst 1984-3-17 1935 Tehama Wurlitzer Ranch on the E side of Meridian Rd., grassy plains of Zimmershed Creek ca. 0.3 mi E of Meridian Rd. 91 Comment
  UC1023473  Erodium brachycarpum Milo S. Baker and H. K. Wagnon 1953-5-31 12728 Tehama a few mi e Paskenta (along highway from Corning, w Tehama County) Comment
  CHSC64393  Erodium cicutarium Vernon H. Oswald; Lowell Ahart 1995-3-6 6517 Tehama Dales Lake Ecological Reserve. Cascade Range Foothills. W side of Manton Rd. (A6) ca. 1 mi n of Dales Station on Hwy. 36, ca. 14 mi ne of Red Bluff. Collected along aroadcut near the ne tip of the reserve but common and widespread. 228 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
  JEPS16995  Eryngium articulatum unknown 1917-8-7 Tehama Red Bluff Comment
  CHSC113319  Eryngium castrense Lowell Ahart; John Dittes 2014-5-18 19525 Tehama Bottom of a small drainage, on the north side of the poor dirt road, about 2 miles east of the end of Lyon Cattle Road, about 4 miles (air) northeast of Los Molinos. 129 Comment
  CHSC116532  Eryngium castrense B. Castro 2012-7-19 1941 Tehama Sacramento Valley. N of Elder Creek, ca 0.26 mi W of the town of Gerber. In distrubed open area W of the railroad tracks and E of the Tehama-Colusa Canal, on flat to undulating grassland between vernal pools and swales. 44 Comment
  CHSC66552  Eryngium castrense Vernon H. Oswald; Lowell Ahart 1996-7-8 7988 Tehama Cascade Range Foothills. BLM parcel along Hwy. 36 NE of Red Bluff. 265 Comment
  HSC93658  Eryngium castrense G. Fred Hrusa, J. Hart 1998-5-20 14422 Tehama Coyote Creek Conservation Area, ~1 mi W of Paskenta Rd., ridge above Coyote Creek wash 110 Comment
  SEINET12121961  Eryngium vaseyi var. vallicola Unknown 1982-1 798 Tehama The Nature Conservancy Vina Plains Preserve 62 Comment
  CHSC10148  Erysimum capitatum var. capitatum R. Spellenberg 1964-6-18 471 Tehama Road bank, 6 mi. SW of Mineral, Hwy 36. Comment
  CHSC27733  Erysimum capitatum var. capitatum W. K. Cheechov 1978-3-24 7 Tehama Ca. 220 ft nw of Pettyjohn Rd., 6.0 mi wsw of Reeds Creek Rd., 18.5 mi w of Red Bluff. 271 Comment
  HSC70130  Erysimum capitatum var. capitatum Thomas W. Nelson, Jane P. Nelson, J. P. Smith 1978-7-22 4456 Tehama Along road to summit of Mount Tedoc 1555 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
  SD133969  Erythranthe bicolor Barbara Errter 1989-5-3 8441 Tehama Deer Creek Road (Rt 32) at milepost 12.00, E side of Deer Creek ca 20 airmiles SW of Chester 975 Comment
  CHSC48996  Erythranthe breweri Vernon Oswald 1984-7-16 1599 Tehama E end of Wilson Lake located ca. 8 mi e of Mineral. 1609 Comment
  SBBG28957  Erythranthe breweri A. A. Heller 1938-7-28 15293 Tehama Mineral-Lassen Park Hwy near jct with the old rd 1676 Comment
  CHSC87327  Erythranthe latidens Lowell Ahart 2004-4-29 10789 Tehama On the northeast side of Dead Rabbit Lake, east of the Nomalaki Trail, about 3/4 mile northwest of Bowers Creek, about 1 1/2 miles northwest of Forest Road 23N69 (Mud Flat Road), about 7 miles (air) southwest of Paskenta. 571 Comment
  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
  CHSC31485  Erythronium californicum S. Horner 1979-4-19 479 Tehama Just sw of Saddle Camp. Shasta-Trinity NF/Ylla Bolla RD. 990 Comment
  CHSC70845  Erythronium californicum Vernon Oswald 1998-4-1 8897 Tehama Nomalaki Trail just south and uphill from the first drainage south of Mud Flat Rd., Mendocino NF. 594 Comment
  CAS-BOT-BC502718  Erythronium grandiflorum Wayne Roderick 1967-6-21 s. n. Tehama Anthony Peak, Mendocino-Tehama County line 1905 Comment
  CHSC61445  Erythronium purpurascens Vernon H. Oswald; Lowell Ahart 1993-8-18 5823 Tehama E slope of Mt. Conard just below the summit ridge, near the S boundary of Lassen Volcanic National Park. 2414 Comment
  HSC60619  Erythronium purpurascens Carl Wishner 1978-6-30 524 Tehama 2 mi. outside boundary of Lassen National Park adjacent to Hwy. 89 Comment
  JEPS21008  Eschscholzia caespitosa W. L. Jepson 1899-4-27 Tehama Salt Gulch Greasewood Hills, drainage of the Cold Fork of Cottonwood Cr (e foothills of Yollo Bolly Range) 609 Comment
  UC1023471  Eschscholzia caespitosa Milo S. Baker 1953-4-26 12536 Tehama 5 1/2 mi w Paskenta (in foothills near burn along steep county road) Comment
  CDA15861  Eschscholzia lobbii G. F. Hrusa, J. Hart 2000-4-8 15307 Tehama Sacramento Valley; Coyote Creek Conservation Area. Comment
  CHSC65663  Eschscholzia lobbii Vernon H. Oswald 1996-3-20 7243 Tehama Thomas Creek Ecological Reserve. Northwest side of Sacramento Valley. Ca. 0.7 mi S of Gyle Rd., near the dirt lane bordering the W side of the parcel. Collected at the junction of the intermittent stream and the dirt lane. 106 Comment
  CHSC96521  Eschscholzia lobbii Lowell Ahart 2007-5-8 13744 Tehama Along flood plain of Dibble Creek, about 100 yards norht of Highway 36, about 3.7 miles west of the intersection Highway 36 and 99 or I-5, about 4 miles (air) northwest of Red Bluff. 111 Comment
  JEPS113131  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
  JEPS113148  Eschscholzia lobbii Lowell Ahart 2007-5-8 13744 Tehama Along flood plain of Dibble Creek, about 100 yards norht of Highway 36, about 3.7 miles west of the intersection Highway 36 and 99 or I-5, about 4 miles (air) northwest of Red Bluff 111 Comment
  CAS-BOT-BC419480  Eschscholzia lobbii Ira L. Wiggins 1925-3-26 1561 Tehama Below Mill Creek canyon, about three miles east of Los Molinos Comment
  CAS-BOT-BC310407  Eucephalus breweri John Thomas Howell 1960-8-19 36132 Tehama Lassen Volcanic National Park. Brokeoff Mt. Trail 2438 Comment
  JEPS102775  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
  UCD142648  Euphorbia ocellata Robin Fallscheer; Joyce Lacey 1981-6-11 s.n. Tehama Ca. 4 miles west of Paskenta, then 1 mile south of private ranch road. Comment
  RSA530019  Euphorbia ocellata var. rattanii G. L. Clifton 1990-8-7 22499 Tehama Thomas Creek, under Rawson Road bridge crossing. 95 Comment
  UCD142808  Euphorbia serpillifolia John Thomas Howell 1960-8-18 36031 Tehama Bluff Falls. 1981 Comment
  CHSC78647  Euphorbia spathulata Julie Cunningham; Heidi West, Caroline Warren 1998-4-27 Tehama Vicinity of Red Bank Creek, The Narrows, and Grizzly Creek. 274 Comment
  CHSC78837  Euphorbia spathulata Julie Cunningham; Heidi West, Natalie Wight 1998-6-25 Tehama Vicinity of South Fork Cottonwood Creek, Dippingvat Flat, and Cooks Flat. 335 Comment
  JEPS108942  Eurybia integrifolia Lowell Ahart 2006-9-9 13258 Tehama Dry meadow area just west of the dirt road, about 100 yards east of Colby Creek, about 2 miles (air) southeast of Colby Mountain, about 5 miles (air) northeast of Butte Meadows 1525 Comment
  CHSC101634  Festuca arundinacea D. Isle 1989-4-20 1617 Tehama Mendocino National Forest. Red Bluff Diversion Dam area; east of Sacramento River diversion. Comment
  CHSC68978  Festuca californica Vernon Oswald 1997-7-7 8684 Tehama Lookout on Tomhead Mtn. near the northeast corner of the Yolla Bolly-Middle Eel Wilderness. On slope near the lookout. 2057 Comment
  SD34485  Festuca occidentalis A. A. Beetle 1941-6-27 2895 Tehama 10 miles northeast of Lomo, on route 32; banks above Deer Creek Comment
  UC2042997  Floerkea proserpinacoides Barbara Ertter 1990-5-13 8962 Tehama Northeast Tehama Co.: South side Highway 36 between Morgan Springs and Child Meadows, along Mill Creek. Comment
  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-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-BC447522  Fragaria virginiana var. platypetala Elizabeth McClintock; Wayne Roderick; Martha Roderick 1902-9-12 s.n. Tehama Road to Mumbo basin, Trinity Mts. 1889 Comment
  CAS-BOT-BC62952  Frangula californica subsp. crassifolia H. E. McMinn 389 Tehama Along road w. of Red Bluff. 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
  CAS-BOT-BC63000  Frangula californica subsp. crassifolia Carl B. Wolf 1937-9-6 9296 Tehama Inner n. coast range, Paskenta - Covelo Road, mud flat. 609 Comment
  LA207657  Frangula californica subsp. crassifolia C. B. Wolf; 1937-9-6 9296 Tehama Paskenta--Covelo Rd, mud flat 609 Comment
  CAS-BOT-BC53871  Frangula californica subsp. tomentella C. Hart Merriam 1916-9-11 s.n. Tehama Paskenta Grade Comment
  CHSC65116  Frangula rubra Vernon H. Oswald; Lowell Ahart 1995-7-31 7169 Tehama Cascade Range Foothills. ane Valley Rd. 1.5 mi N of Hwy. 36, N of Paynes Creek. 533 Comment
  UC1949126  Frasera albicaulis var. nitida Barbara Ertter with Brad Olson 1991-7-5 10323 Tehama Metzger Ranch at confluence of Big and Little Crane creeks [=Stiver's Ranch], ca 15 airmiles WNW of Red Bluff Comment
  CHSC77606  Fraxinus dipetala B. Castro 1999-6-10 973 Tehama About 19 air miles SW of Red Bluff, vicinity of Dry Creek. On upland ridge. 310 Comment
  JEPS105608  Fraxinus dipetala L. P. Janeway 2003-6-14 7832 Tehama High Cascade Range. Along Cohasset Road about half way down into the canyon of Deer Creek, 1.0 air mi south of Deer Creek 780 Comment
  CAS-BOT-BC212403  Fremontodendron californicum Ethel Wickes 1917-6-1 s.n. Tehama Red Bluff Comment
  CAS-BOT-BC212404  Fremontodendron californicum David D. Keck 1944-7-8 5457 Tehama 8 mi. E. of Payne Creek on plateau S. of South Fork of Battle Creek 975 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
  HSC73430  Fremontodendron californicum S. R. Ahrens, L. Sieburth, B. Potter 1981-5-10 28 Tehama 671 Comment
  RSA426889  Fremontodendron californicum C. F. Baker 1947-8-14 11997 Tehama Mineral - Red Bluff Hwy. 457 Comment
  CHSC77470  Fremontodendron californicum subsp. californicum David Isle 1990-5-2 Tehama 7 miles west of Paskenta on east edge Rd 23N01. 762 Comment
  CHSC55305  Fritillaria affinis L. P. Janeway 1991-3-28 3860 Tehama In large ravine draining north into Battle Creek; 1 1/2 mi east of the Sacramento River. Battle Creek Wildlife Area. 137 Comment
  RSA126013  Fritillaria recurva E. K. Balls 1957-5-23 22521 Tehama Alder Camp, Highway 32, about 6 miles southwest from junction with Highway 89 1189 Comment
  RSA537533  Fritillaria recurva Barbara Ertter 1989-5-3 8434 Tehama Deer Creek Rd (Rt 32) at milepost 12.00, E side Deer Creek ca 20 airmiles SW of Chester. 976 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
  JEPS6509  Galium bifolium W. L. Jepson 1927-6-24 12326 Tehama Mineral 1524 Comment
  RSA90817  Galium bifolium Milo S. Baker, H. K. Wagnon 1953-7-12 12884 Tehama 5.3 miles from Whitlock Camp along county road. Comment
  UC1245130  Galium bifolium J. M. Tucker 1959-7-19 3569 Tehama ca 1 1/2 mi e Square Lake (beside trail to lake, ne side of mt.); South Yolla Bolly Mountain 2103 Comment
  JEPS13240  Galium bolanderi Rimo Bacigalupi 1955-7-18 5368 Tehama 1 mi n Potato Patch Camp (nr. CA Hwy 32); Deer Cr. Canyon 1005 Comment
  UCR265166  Galium bolanderi Barbara Ertter 1991-9-2 10783 Tehama Northern Coast Range, Paskenta - Round Valley Road, Route M4 over Mendocino Pass, 5.8 mi east of Log Spring Creek, c. 11 air miles west-southwest of Paskenta 1372 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
  UC1362412  Galium grayanum F. Ehrendorfer 1959-7-19 5933 Tehama South Yollo Bolly Mountain North Coast Ranges 2346 Comment
  CHSC61705  Galium grayanum var. grayanum Vernon H. Oswald; Lowell Ahart 1993-9-2 5906 Tehama Ridge running E from Mt. Linn, South Yolla Bolly Mtns., ca. 20 mi (air) NW of Paskenta. 2407 Comment
  SD70512  Galium grayanum var. nanum F. Ehrendorfer 1959-7-19 5933 Tehama North Coast Ranges, South Yollo Bolly Mountain 2345 Comment
  CHSC107253  Galium murale Lowell Ahart; John Dittes 2011-6-9 17464 Tehama In shade under steep bank on the north side of Acorn Hollow Creek, just east of Dry Creek confluence, 2.1 miles (air) east of Highway 99, 3.8 miles (air) north of Vina. 75 Comment
  CHSC87203  Galium parisiense Lowell Ahart; John Dittes, Josephine Guardino 2004-4-15 10745 Tehama Along the Nomalaki Trail, the second switchback north of Bowers Creek, about 3/4 mile northwest of Forest Road 23N69 (Mud Flat Road), about 6 1/2 miles (air) southwest of Paskenta. 522 Comment
  HSC95529  Galium parisiense L. Ahart 2001-6-8 8784 Tehama E side of Rd. M2, 9 mi. W of Paskenta. 762 Comment
  CHSC55276  Galium parisiense var. parisiense L. P. Janeway 1991-5-11 3960 Tehama Battle Creek Wildlife Area. In large rocky ravine draining north into Battle Creek, ca 1/4 mi south of the creek; ca 1 1/2 mi east of the Sacramento River. 134 Comment
  CHSC102243  Galium porrigens var. tenue L. P. Janeway; B. Castro 2009-4-25 9783 Tehama Cascade Range Foothills. Tehama Wildlife Area; northwest-facing slope above Little Antelope Creek; along Powerline Road 0.5 km northeast of Rock Wall. 564 Comment
  SBBG119888  Galium trifidum L. Ahart 2006-9-9 13263 Tehama 150 yards E of Colby Crk, ca. 2m (air) SE of Colby Mtn, ca. 5 mi (air) NE of Butte Meadows Comment
  CHSC105915  Galium triflorum B. Castro; L. P. Janeway 1999-8-24 1034 W Tehama High North Coast Ranges. Yolla-Bolly Wilderness, ca 1.6 mi ENE of Buck Rock, along USFS Route M2, between Forks Ridge and Short Ridge at Willow Spring. 1737 Comment
  CHSC86550  Garrya congdonii Jenny Marr; Heidi West, Caroline Warren 1998-5-20 Tehama Vicinity of South Fork Cottonwood Creek and Pettyjohn Road. 426 Comment
  UC556437  Garrya congdonii Rimo Bacigalupi 1934-5-29 2411 Tehama Paskenta grade; along road from Paskenta to Covelo Comment
  SBBG5347  Garrya fremontii H. and M. Dearing 1938-6-22 2097 Tehama Deer Crk Comment
  UC1122696  Garrya fremontii P. L. Johannsen 1936-8-20 990 Tehama 0.5 mi ne Colby Mtn.; Lassen National Forest, Paynes Creek Quad. 1645 Comment
  CHSC113267  Gastridium phleoides Lowell Ahart; John Dittes 2014-5-16 19493 Tehama Open pasture, on the north side of the poor road, about 2 miles east of the end of Lyon Cattle Road, about 4 miles (air) northeast of Los Molinos. 108 Comment
  JEPS102405  Gastridium ventricosum Lowell Ahart 2001-6-8 8801 Tehama On the east side of road M2, about 9 miles west of Paskenta. 762 Comment
  CHSC102805  Gayophytum diffusum subsp. diffusum Lowell Ahart; John Dittes, Josephine Guardino 2009-8-27 16319 Tehama On the east side of Forest Service Road 29N25A, Childs Meadows, about 2,600 feet south of the intersection of Highway 36 (89) and Forest Service Road 29N25A, 2.3 miles (air) northeast of the town of Mill Creek, 9.1 miles (air) south of Lassen Peak. 1493 Comment
  HSC70133  Gayophytum heterozygum Thomas W. Nelson, Jane P. Nelson, J. P. Smith 1978-7-22 4459 Tehama Along road to summit of Mount Tedoc 1555 Comment
  JEPS117638  Gayophytum heterozygum Lowell Ahart, John Dittes 2010-10-4 17276 Tehama 50 yards southwest of a meadow, on the west bank of the deep gulley, about 200 yards southeast of the dry pond, Childs Meadows, 1.2 miles (air) southeast of the intersection of Highway 36 and USFS Road 24N25, 1.93 miles (air) northeast of the town of Mill 1475 Comment
  JEPS124050  Gentiana newberryi var. tiogana Lowell Ahart, John Dittes 2015-8-5 20436 Tehama East side of Childs Meadow, 150 yards west of Highway 36, 0.69 air-miles northwest of intersection of State Highway 36 and Wilson Lake Road (County Road 769), 1.2 air-miles east of Doe Mountain, 9.77 air-miles south of Lassen Peak. Comment
  HSC65830  Geranium dissectum D. Boyd, M. Eichelberger, Tim Messick, T. Ranker 1980-5-3 76 Tehama 0.5 mi. SSW of BM1797 on Rd. 29N15 610 Comment
  CHSC64546  Geranium molle Vernon H. Oswald; Lowell Ahart 1995-4-3 6587 Tehama Dales Lake Ecological Reserve. Cascade Range Foothill. W side of Manton Rd. (A6) ca. 2 mi n of Dales Station on Hwy. 36, ca. 14 mi ne of Red Bluff. Located on the slope between two intermittent streams converging at the w boundary on the s edge of basalt ridge crossing the nw corner of the reserve. 201 Comment
  JEPS69531  Gilia capitata subsp. capitata W. L. Jepson 1899-4-25 15075 Tehama near Rosewood (in the hill country of the Cottonwood Creek and its tributaries); Cottonwood Creek, near Rosewood, Stiver's Ranch Comment
  UC1553520  Gilia capitata subsp. capitata E. Dean 1988-6-13 35 Tehama serpentine slope above road 28N36 w Tedoc Gap (1.7 mi w of jct with forest rd 45); w of Tedoc Gap 1300 Comment
  HSC90172  Gilia tricolor Andrew Enberg, Brad Penkala, Dan Scofield 1990-3-31 24 Tehama Hwy. 36, 3 mi. E of Rd. A5 229 Comment
  CHSC96632  Gilia tricolor subsp. tricolor Lowell Ahart; John Dittes, Josephine Guardino 2007-4-3 13622 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
  SEINET10939133  Githopsis diffusa subsp. robusta Wagnon 1953-5-3 WAGNON 12661 Tehama West of Paskenta along logging road Comment
  SEINET10938879  Githopsis specularioides Mary Susan Taylor 1980-4-12 Taylor 2465 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
  RSA699701  Glyceria declinata L. Ahart, Samantha Hillaire 2004-7-9 11183 Tehama Seep on the north side of the Mill Creek trail (4E10), north of Mill Creek, about 3/4 mile west of the Black Rock, Black Rock campground, and Ponderosa Way (Forest Road 28N29, about 26 miles (air) east of Red Bluff. 655 Comment
  CAS-BOT-BC282733  Glyceria elata Milo S. Baker 1953-7-12 12894 Tehama 6.1 mi. from Whitlock Camp along county road 1828 Comment
  CAS-BOT-BC282735  Glyceria elata Alice Eastwood; John Thomas Howell 1971-7-9 9781 Tehama Log Spring Ridge between Log Spring and Government Flat Comment
  CDA4146  Glycyrrhiza glabra S. T. Ancell 1946-6-24 Tehama 0 Comment
  CHSC80148  Gnaphalium palustre B. Castro; L. P. Janeway 2000-5-23 1180 Tehama Vicinity of Orland and Black Butte Lake, in 'hummocky' rolling hills between Rice and Brannin Creeks. 117 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
  SDSU673  Goodyera oblongifolia Ernie Moore 1942-8-19 Tehama Big Smokey Creek Comment
  CHSC79828  Gratiola ebracteata L. P. Janeway; B. Castro 2000-5-11 6717 Tehama Vicinity of Rice Creek, west Hwy I-5. 96 Comment
  CHSC80077  Gratiola ebracteata B. Castro; L. P. Janeway 2000-5-11 1167 Tehama Vicinity of Orland and Black Butte Lake, on terrace next to Rice Creek. 88 Comment
  JEPS97206  Gratiola ebracteata Vernon H. Oswald 1995-4-3 6572 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
  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
  JEPS88509  Gratiola heterosepala Vernon H. Oswald and Lowell Ahart 1996-4-15 7376 Tehama CDFG parcel on the S side of Gyle Rd. NW of corning. Northwest side of Sacramento Valley, Valley and Foothills Grasslands. Along pipeline ca. 0.3 mi N of the S boundary of the reserve. 99 Comment
  RSA529995  Gratiola heterosepala D. W. Taylor, Glenn Clifton, Jim Andre 1990-4-24 10647 Tehama Manton Plains (just S of Battle Creek), S of Spring Branch Road (Manton Road), adj. to PG and E natural gas pipeline. 296 Comment
  CAS-BOT-BC304912  Grindelia hirsutula Ethel Wickes 1917-6-1 s.n. Tehama Red Bluff Comment
  UC1330013  Grindelia hirsutula Beecher Crampton 1966-6-28 7770 Tehama 6 mi wsw Paskenta ((in direct line) ridge between Hatch Field and Lake Hollow) 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
  JEPS54075  Guillenia lasiophylla W. L. Jepson 1934-5-5 16633 Tehama Beegum, w Tehama County Beegum Comment
  UC1002660  Hackelia amethystina Milo S. Baker and H. K. Wagnon 1954-7-11 13011 Tehama above Whitlock Camp (at Cold Spring Camp); Cold Spring Camp 1950 Comment
  CHSC109732  Harmonia hallii Robert Fischer 2011-4-14 1056 Tehama N. Coast Ranger Inner. Ca 5.5 air mi W of Paskenta and 1 air mi NW of Beehive Flat, along Toomes Camp Rd just W of the Mendocino NF boundary. [Note: some maps name this road Hwy M2 of Co. Rd 122.] 883 Comment
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Jun 18 2018
  CHSC87322  Harmonia stebbinsii Lowell Ahart 2004-4-29 10804 Tehama About 1/4 mile north of an unnamed lake, along the Nomalaki Trail, about 1 mile by trail northwest of Dead Rabbit Lake, about 1 3/4 miles northwest of Bowers Creek, about 2 1/2 miles northwest of Forest Road 23N69 (Mud Flat Road), about 8 miles (air) southwest of Paskenta. 476 Comment
  CHSC65074  Hastingsia alba Vernon H. Oswald; Lowell Ahart 1995-7-17 7084 Tehama Forest Road 30N16 0.5 mi N of Hwy. 36, ca. 2 mi NE of Mineral. 1572 Comment
  JEPS76680  Hastingsia alba L. R. Heckard 1972-6-18 2982 Tehama n Tedoc Mountain (along Wells Creek); Wells Creek 883 Comment
  CDA42844  Hedypnois cretica L. Ahart, John Dittes 2011-6-9 17462 Tehama On the north side of Acorn Hollow Creek, just east of Dry Creek confluence, 2.1 miles (air) east of Highway 99, 3.8 miles (air) north of Vina. Comment
  CAS-BOT-BC306537  Helenium bigelovii John Thomas Howell 1960-8-18 36074 Tehama Near Lassen Volcanic National Park. Bluff Falls 1981 Comment
  CHSC61382  Helenium bigelovii Vernon H. Oswald; Lowell Ahart 1993-8-11 5792 Tehama Lassen Volcanic National Park. N end of Spencer Meadow extending into Lassen Volcanic National Park E of Mt. Conrad and S of Twin Meadows. At the head of the meadow. 2023 Comment
  CHSC89820  Helenium puberulum B. Castro; Shirley Innecken 2001-6-8 1263 Tehama Vicinity of Thomes Creek and Bennett Creek. At edges of perennial creek, in bottom of small canyon. 298 Comment
  CAS-BOT-BC314823  Helianthella californica var. nevadensis John Thomas Howell 1960-8-21 36289 Tehama Morgan near Lassen Volcanic Ntional Park 1463 Comment
  CAS-BOT-BC305584  Helianthus bolanderi Alice Eastwood 1912-8-22 1799 Tehama Morgans Springs, Lassen Butte Region Comment
  CAS-BOT-BC305585  Helianthus bolanderi H. M. Hall; E. B. Babcock 1903-7-1 4399 Tehama Mount Lassen. Near Morgan, (Mill Creek Canyon). Morgan Springs 1524 Comment
  CHSC80594  Helianthus bolanderi Vernon H. Oswald; Lowell Ahart 2001-6-5 10041 Tehama Raglin Ridge Rd 0.6 mi east of the North Fork of Elder Creek. 426 Comment
  UC897532  Helianthus bolanderi Alice Eastwood Aug 22 1912-Aug 26 1912 1799 Tehama Morgans Springs, Lassen Butte Region Morgans Springs Comment
  CAS-BOT-BC305586  Helianthus bolanderi Walter Knight; Irja Knight 1963-9-23 112 Tehama Between Paskenta and Newville Comment
  CDA6536  Helianthus ciliaris Margaret Bellue Apr 1937 Tehama Tyler, 3 1/2 miles from Red Bluff. Near railroad tracks. 0 Comment
  CHSC85289  Helianthus exilis John Dittes; Josephine Guardino, Lowell Ahart 2003-8-23 779 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. 576 Comment
  SD211567  Heliotropium curassavicum Barbara Ertter 1991-5-18 9865 Tehama Rosewood Ranch, on Salt Creek circa 17 airmiles West-Northwest of Red Bluff, circa 1/2 mile South of Highway 36 along creek. 213 Comment
  UC1950187  Heliotropium curassavicum var. oculatum Barbara Ertter 1991-5-18 9865 Tehama Rosewood Ranch on Salt Creek, ca 17 airmiles WNW of Red Bluff, ca 1/2 mi S of Hwy 36; along creek Comment
  CHSC112802  Heliotropium europaeum Lowell Ahart 2013-8-2 18991 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
  CHSC117717  Heliotropium europaeum Lowell Ahart; John Dittes 2016-8-25 21291 Tehama Along roads, about 50 yards west of the Sacramento River, Anderson River Park, 0.7 miles (air) upstream from Stillwater Creek Confluence 1.8 miles (air) northeast of Balls Ferry Road exit from Interstate 5 in Anderson. Undesignated section of San Buenaventura Land Grant. 117 Comment
  CHSC66188  Heliotropium europaeum Vernon H. Oswald; Lowell Ahart 1996-6-3 7701 Tehama Cascade Range Foothills. Hog Lake Plateau. BLM parcel along Hwy. 36 NE of Red Bluff. Along Paynes Creek ca. 0.3 mi downstream from the old bridge site. 103 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
  JEPS104121  Heliotropium europaeum Lowell Ahart 2003-9-17 10583 Tehama On a gravel bar on the south side of Deer Creek, ca 400 yd e of Highway 99, ca 5 mi (air) se of Los Molinos. 60 Comment
  JEPS121162  Heliotropium europaeum Lowell Ahart 2013-8-2 18991 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
  UC1235335  Heliotropium europaeum D. A. Howe 1963-8-8 Tehama 5.1 mi. n. Corning (along Rte. 99) Comment
  RSA756431  Heliotropium europaeum Barbara Ertter 1991-5-18 9864 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
  UCD119456  Heliotropium europaeum Ray Evans 1957-9-10 s.n. Tehama 5 miles north of Paskenta, on the road to Red Bluff. 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
  JEPS13513  Hemizonella minima Rimo Bacigalupi with G. T. Robbins, K. Wagnon, and D. Barbe 1955-7-17 5344 Tehama 20.8 mi n Paskenta; Mendocino National Forest, Cold Spring Camp 1859 Comment
  CAS-BOT-BC306003  Hemizonia congesta subsp. calyculata H. M. Hall 1930-9-28 12900 Tehama 2.5 miles northeast of Proberta 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
  HSC95450  Hemizonia congesta subsp. clevelandii L. Ahart 2001-6-8 8762 Tehama E side of Rd. M2, 9 mi. W of Paskenta. 762 Comment
  CHSC79953  Hesperevax acaulis var. acaulis L. P. Janeway; B. Castro 2000-5-9 6711 Tehama Vicinity of Rice Creek and Brannin Creek, west of Hwy I-5. 126 Comment
  CHSC40517  Hesperevax caulescens Pauleen Broyles 1982-4-30 501 Tehama The Nature Conservancy Vina Plains Preserve. NW of barn and near s end of a vernal pool. 60 Comment
  UCD133073  Hesperevax caulescens Beecher Crampton 1953-4-29 1153 Tehama 2 miles north of Vina, along US Highway 99E. Comment
  UC762257  Hesperolinon californicum R. F. Hoover 1937-5-19 2287 Tehama 6 mi n Red Bluff Comment
  UC702896  Hesperolinon micranthum Alice Eastwood and John Thomas Howell 1941-7-9 9770 Tehama between Log Spring and Government Flat; Log Spring Ridge Comment
  CAS-BOT-BC167463  Hesperolinon tehamense Helen K. Sharsmith 1959-5-26 4689 Tehama Covelo-Paskenta (Round Valley) road 5.1 miles above junction of Newville-Paskenta road and 2.1 miles within boundary of Mendocino National Forest 1066 Comment
  CAS-BOT-BC167465  Hesperolinon tehamense Helen K. Sharsmith 1951-7-13 4027 Tehama In V of junction between road to Eagle Peak and road to Ball Rock and Ovenlid, 10.3 miles northwest of Paskenta and 1.6 miles within eastern boundary of Mendocino National Forest 1158 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
  CHSC78667  Hesperolinon tehamense L. P. Janeway; B. Castro 2000-6-15 6801 Tehama Inner North Coast Ranges. At Beehive Flat along Road M2 about 11.4 km west of Paskenta. 672 Comment
  UC1212202  Hesperolinon tehamense Helen K. Sharsmith 1953-6-23 4340 Tehama Ball Mountain road 0.5 mi below junction with Eagle Peak road (one mi within boundary of national forest, nw of Paskenta); Inner North Coast Ranges, Mendocino National Forest 1219 Comment
  UC1212205  Hesperolinon tehamense Freed W. Hoffman 1950-7-30 3697 Tehama 0.1 mi w Eagle Springs Road and Paskenta-Colyer Springs road (this <point of divergence> 10.7 mi w of Paskenta); Inner North Coast Ranges Comment
  UC1212207  Hesperolinon tehamense Freed W. Hoffman 1950-7-30 3533 B Tehama 8.3 mi w Paskenta; Inner North Coast Ranges Comment
  UC1509743  Hesperolinon tehamense C. M. Rogers 1972-7-6 13425 Tehama on Covelo-Paskenta Road near Mud Flat Comment
  CAS-BOT-BC167464  Hesperolinon tehamense Robert F. Hoover 1939-5-11 4101 Tehama Foothills above Paskenta on road to Covelo Comment
  SEINET4853941  Hesperolinon tehamense H. K. Sharsmith 1951-7-11 4018 Tehama Inner North Coast Range. Covelo-Paskenta rd 11.1 mi W of Paskenta, Medicino National Forest. 1159 Comment
  RSA695538  Heteranthera limosa D. W. Taylor 1992-10-8 13261 Tehama Coyote Creek; ca. 5 miles south of Red Bluff, at crossing of Rawson Road. 98 Comment
  CHSC102696  Heterocodon rariflorum Lowell Ahart; John Dittes, Josephine Guardino 2009-8-27 16311 Tehama West side of pond, on the east side of Forest Service Road 29N25A, Childs Meadows, about 2600 feet south of the intersection of Highway 36 (89) and Forest Service Road 29N25A, 2.3 miles (air) northeast of the town of Mill Creek, 9.1 miles (air) south of Lassen Peak. Area between SE 1/4 Section 23 and SW 1/4 Section 24. 1493 Comment
  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
  JEPS115508  Heterocodon rariflorum Lowell Ahart, John Dittes, Josephine Guardino 2009-8-27 16311 Tehama West side of pond, on the east side of Forest Service Road 29N25A, Childs Meadows, about 2600 feet south of the intersection of Highway 36 (89) and Forest Service Road 29N25A, 2.3 miles (air) northeast of the town of Mill Creek, 9.1 miles (air) south of L 1493 Comment
  RSA761034  Heterocodon rariflorum Barbara Ertter, Brad Olson 1991-7-4 10261 Tehama Toomes Camp/Ball Rock Road 16.1 miles west of Paskenta, 2 miles southeast of Kingsley Glade/Maxin junction about 28 air miles west of Corning. 1463 Comment
  SEINET10460623  Heterocodon rariflorum Philip A. Munz 1951-7-25 Munz 16869 Tehama 1 MI E OF SQUARE LAKE, S YOLLA BOLLY MTNS Comment
  CDA25926  Heteromeles arbutifolia L. Ahart 2004-6-11 11031 Tehama On the south side of the Nomalaki Trail, about 1/4 mile north of Dead Rabbit Lake, about 1 3/4 miles northwest of Bowers Creek, about 2 1/2 miles northwest of Forest Road 23N69 (Mud Flat Road), about 8 miles (air) southwest of Paskenta. Comment
  CHSC85161  Heterotheca grandiflora John Dittes 2003-10-22 852 Tehama Undesignated section of Rio De Los Molinos Land Grant. Northern Sacramento Valley; ca. 18 air-miles south of Red Bluff, ca. 0.8 air-miles northeast of Tehama, ca. 0.3 air-mile east of the Sacramento River; floodplain on south side of Mill Creek. 65 Comment
  UC177050  Heterotheca oregona var. rudis T. S. Brandegee 1892-9-20 Tehama Red Bluff Comment
  SBBG2693  Heuchera micrantha H. and M. Dearing 1938-6-25 2133 Tehama 7 mi W of Mineral 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
  CHSC61707  Heuchera micrantha var. pacifica Vernon H. Oswald; Lowell Ahart 1993-9-2 5915 Tehama Ridge running E from Mt. Linn, South Yolla Bolly Mtns., ca. 20 mi (air) NW of Paskenta. Growing in an outcrop along the N side of the ridge near the summit. 2438 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
  HSC70134  Hieracium greenei Thomas W. Nelson, Jane P. Nelson, J. P. Smith 1978-7-22 4460 Tehama Along road to summit of Mount Tedoc 1555 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
  CHSC64947  Hieracium scouleri var. scouleri Vernon H. Oswald; Lowell Ahart 1995-7-12 7058 Tehama High North Coast Ranges. W of Red Bluff and S of Platina on Forest Route 41, 4.0 mi N of its junction with Forest Road 28N36 (N of Stuart Gap). 1170 Comment
  JEPS88371  Hirschfeldia incana Vernon H. Oswald and Lowell Ahart 1996-4-23 7440 Tehama BLM parcel along Hwy. 36 n.e. Red Bluff (in flood channels of Paynes Creek just downstream from the power line); Cascade Range Foothills, Hog Lake Plateau 147 Comment
  JEPS45053  Holodiscus discolor W. L. Jepson 1897-7-25 18858 Tehama Summit of South Yollo Bolly Comment
  CHSC61702  Holodiscus microphyllus var. microphyllus Vernon H. Oswald; Lowell Ahart 1993-9-2 5895 Tehama Ridge running E from Mt. Linn, South Yolla Bolly Mtns., ca. 20 mi (air) NW of Paskenta. 2346 Comment
  CDA32404  Hordeum brachyantherum subsp. brachyantherum L. Ahart 2001-6-8 8802 Tehama On the west side of road M2, about 9 miles west of Paskenta. Comment
  RSA756701  Hordeum brachyantherum subsp. californicum Barbara Ertter, Brad Olson 1991-7-6 10453 Tehama Toomes Camp Road (M22) 9.3 mi W of Paskenta jct, ca 25 airmiles W of Corning 945 Comment
  UC1949279  Hordeum californicum Barbara Ertter with Brad Olson 1991-7-6 10453 Tehama Toomes Camp Road (M22) 9.3 mi W of Paskenta jct, ca 25 airmiles W of Corning Comment
  CHSC78960  Hordeum marinum subsp. gussoneanum Julie Cunningham; Jenny Marr, Caroline Warren 1998-5-11 Tehama Vicicinity of Round Valley Road and Newville Road (Garland Road). 280 Comment
  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
  CHSC48852  Horkelia fusca subsp. tenella Vernon Oswald 1985-6-10 1818 Tehama Near the w end of Wilson Lake. Meadow. 1609 Comment
  UC638719  Horkelia fusca subsp. tenella Ethel Crum 1937-8-7 1955 Tehama 1.6 mi nw Mineral Summit 1463 Comment
  SEINET6924755  Horkelia tridentata Robert A. Evers, Clara V. Evers 1975-8-23 115008 Tehama 2 miles (3.2 km) west of Mineral. Comment
  CHSC48855  Horkelia tridentata subsp. flavescens Vernon Oswald 1986-6-18 2125 Tehama Round Valley Rd. (M4) 1.4 mi n of Board Ridge Rd. 1737 Comment
  CHSC83645  Horkelia tridentata subsp. tridentata L. P. Janeway 2001-6-24 7219 Tehama High Cascade Range. On Monterey Point ridge 0.2 km southwest of Road 29N48, about 4.0 km southwest of Turner Mountain. Southwest trending ridgetop. 1676 Comment
  CHSC75244  Hydrocotyle ranunculoides Vernon H. Oswald; Lowell Ahart 1999-4-21 9713 Tehama McClure Place on the High Trestle-McClure Place Trail starting on Hogback Road ca. 0.5 mi northeast of Finley Lake. 609 Comment
  RSA90609  Hydrophyllum occidentale Milo S. Baker 1953-6-21 12789 Tehama West of Paskenta at Whiskey Saddle. 1449 Comment
  SBBG25920  Hypericum anagalloides D. Myrick 1966-8-6 1460 Tehama South Yolla Bolly Mtn 2133 Comment
  UC1019560  Hypericum anagalloides Louise Kellogg 1952-7-18 84 Tehama directly s. of South Yolla Bolly Mt. (near Squaw Camp and Pole Corral on Boswell Ridge, on rd. toward Ovenlid); North Coast Ranges, Mendocino Nat'l Forest 2133 Comment
  HSC93192  Hypericum anagalloides Vernon H. Oswald, L. Ahart 1996-9-4 8249 Tehama Cascade Range Foothills, BLM parcel along Hwy. 36, NE of Red Bluff 183 Comment
  UCR130067  Hypericum formosum subsp. scouleri George K. Helmkamp, E. A. Helmkamp 2001-7-7 6906 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
  CHSC94381  Hypericum formosum var. scouleri Lowell Ahart 2006-7-19 13034 Tehama West edge of an open dry flat, about 100 yards west of the dirt road, along the east side of Colby Creek, about 2 miles (air) southeast of Colby Mountain, about 5 miles (air) northeast of Butte Meadows. 1525 Comment
  JEPS127223  Hypericum mutilum subsp. mutilum Lowell Ahart, John Dittes 2016-8-24 21260 Tehama Anderson River Park, 0.7 mile (air) upstream from Stillwater Creek Confluence, 1.8 miles (air) northeast of Balls Ferry Road exit from Interstate 5 in Anderson. Undesignated Section of San Buenaventura Land Grant. Comment
  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
  CHSC80210  Hypericum perforatum L. P. Janeway 1999-6-19 6470 Tehama Cascade Range Foothills. Along Laynes Valley Road 4.5 km northwest of Hwy 36; about 3.5 km north-northeast of Inskip Hill. 479 Comment
  JEPS36531  Hypochaeris glabra Virginia Bailey 1938-4-16 Tehama 6 mi w of Paskenta; Paskenta-Covelo Road Comment
  SEINET11844254  Hypochaeris glabra Unknown 1982-1 571 Tehama The Nature Conservancy Vina Plains Preserve 60 Comment
  CAS-BOT-BC274066  Imperata brevifolia J. D. Jokerst; H. Wurlitzer 1984-3-18 1943 Tehama South exposure, area identified as spring on USGS topographic maps, T24N, R1E, SE1/4 of NW1/4 Section 35 304 Comment
  SEINET10567646  Iris David B. Dunn, Billy Joe Cox 1971-6-10 Dunn 17963 Tehama 13 miles w of mineral on calif. Hwy. 36; On 60 degrees e-facing slope Comment
  CHSC4067  Isoetes howellii J. Wheeler 1967-4-23 12 Tehama On the W side of Paskenta Rd. about 0.2 mile south of the intersection of Paskenta Rd. and Live Oak Rd. 91 Comment
  JEPS97375  Isoetes howellii Vernon H. Oswald and Lowell Ahart 1995-4-17 6671 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
  SBBG119787  Isoetes howellii L. Ahart 2004-4-29 10790 Tehama Dead Rabbit Lake, E of Nomalaki Trail, ca. 0.75 mi NW of Bowers Crk, ca. 1.5 mi NW of USFS Rd 23N69 (Mud Flat Rd), ca. 7 air mi SW of Paskenta 571 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
  UCD169425  Isoetes nuttallii Lowell Ahart 2004-4-29 10782 Tehama About 7 miles (air) southwest of Paskenta, about 1 1/4 miles northwest of Forest Road 23N69 (Mud Flat Road), about 1/2 mile northwest of Bowers Creek, about 10 yards west of the Nomalaki Trail. 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
  CHSC90413  Juncus balticus Niall McCarten; Roxanne Bittman 1986-6-14 5322 Tehama Mendocino National Forest--North Coast Ranges. Thomes Creek Watershed. 0.25 mi. W of jct. Rd. 25N41 and 25N32. 1371 Comment
  RSA718736  Juncus balticus L. Ahart 2006-7-25 13082 Tehama On the northeast edge of the dirt road, about 20 yards east of where the dirt road crosses Colby Creek, about 2 miles (air) southeast of Colby Mountain, about 5 miles (air) northeast of Butte Meadows. 1519 Comment
  SBBG128238  Juncus brachyphyllus L. Ahart 2010-7-17 16884 Tehama N side of Ponderosa Way, ca. 1910 feet S of Bluff Springs, 4.1 mi (air) SE of Manton, 2.8 mi (air) N of Hwy 36 768 Comment
  CHSC94389  Juncus bufonius var. occidentalis Lowell Ahart 2006-7-19 13015 Tehama In small depressions, open meadow area just west of the dirt road, east of Colby Creek, near large man-made piles of soil and rock, about 1 3/4 miles (air) southeast of Colby Mountain, about 4 3/4 miles (air) northeast of Butte Meadows. 1503 Comment
  CHSC64566  Juncus capitatus Vernon H. Oswald; Lowell Ahart 1995-4-10 6624 Tehama Dales Lake Ecological Reserve. Cascade Range Foothills. W side of Manton Rd. (A6) ca. 1 mi n of Dales Station on Hwy. 36, ca. 14 mi ne of Red Bluff. Between the fence and Manton Rd., just n of the culvert. 207 Comment
  CHSC40824  Juncus dubius Pauleen Broyles 1982-7-7 793 Tehama The Nature Conservancy Vina Plains Preserve. Irrigation ditch nw of barn. 66 Comment
  CHSC112024  Juncus effusus subsp. pacificus David Toren; Carl Furrer 2002-9-3 2105 Tehama Mendocino National Forest. Poison Glade, ~1-1/8 mile SW of Log Springs Station in SW corner of county. Accessed by Rd 23N53. 1231 Comment
  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
  CHSC112982  Juncus ensifolius Lowell Ahart 2013-8-2 18993 Tehama Gravel on the bottom of Burris Creek, strand of Black Butte Reservoir, about 1 1/2 miles southwest of the Dam, about 12 miles (air) northwest of Orland. 135 Comment
  CHSC60457  Juncus ensifolius Mary Ann Showers 1992-6-28 2656 Tehama Lassen Volcanic National Park. Pond below Windy Point, west of Mill Creek. 1950 Comment
  HSC97791  Juncus ensifolius Vernon H. Oswald, L. Ahart 1997-7-7 8673 Tehama Near NE corner of Yolla Bolly Wilderness on FS Rd. 27N06, 0.5 mi. N of Tomhead Saddle. 1677 Comment
  SEINET10720382  Juncus exiguus Peter F. Zika 2012-7-14 Zika 25976 Tehama Bank of Route 35, 0.5 road miles NW of junction with FS Road 27N13, 1.5 air miles SE of Rat Trap Gap, Yolla Bolly Mountains, North Coast Range Highlinads (NCoRH). 1665 Comment
  CHSC102218  Juncus laccatus Peter F. Zika 2009-8-17 24611 Tehama Cascade Range Highlands; 2.5 air km SSE of Bluff Falls, along FS road 29N22 at 0.2 road miles W of Route 89. 1895 Comment
  CHSC76860  Juncus laccatus L. P. Janeway; B. Castro 1999-8-24 6548 Tehama High North Coast Ranges. At Willow Spring; 1.6 mi east of Buck Rock between Forks Ridge and Short Ridge. 1737 Comment
  UC1464630  Juncus leiospermus var. leiospermus Lowell Ahart 1979-5-10 Tehama 16 mi w Red Bluff (along Hwy 36) Comment
  UCR246370  Juncus marginatus Peter F. Zika 2011-7-4 25507 Tehama Cascade Range Foothills (CaRF), west side of Wildcat Road, 0.4 road miles south of bridge over Battle Creek 320 Comment
  UC1873691  Juncus occidentalis Barbara Ertter with James R. Shevock 1992-6-14 11131 a Tehama 0.8 miles south of Battle Creek bridge on Wild Cat Road, ca 7 air miles NW of Paynes Creek (town). Comment
  RSA67182  Juncus orthophyllus Phillip A. Munz 1951-7-25 16851 Tehama Square Lake, N base of South Yolla Bolly Mountains. 2149 Comment
  RSA768022  Juncus orthophyllus L. Ahart, John Dittes 2010-7-17 16885 Tehama North side of Ponderosa Way, about 1910 feet south of Bluff Springs, 4.1 air miles southeast of Manton, 2.8 air miles north of Highway 36. 768 Comment
  JEPS66695  Juncus oxymeris J. W. Blankinship 1910-6-30 Tehama Corning Comment
  CHSC112023  Juncus patens David Toren; Carl Furrer 2002-9-3 2106 Tehama Mendocino National Forest. One Bee Road (2 springs) NW of Poison Glade. One Bee Road=23N02.4 D spur; jct D spur with 23N02.4=T23N, R9W, SE1/4 S23 @5100 ft. One Bee Camp at W end of D spur=23N, 9W, Ne1/4 S28 @4200 feet. @ sp collection site=between these 2 points. 1298 Comment
  CHSC66120  Juncus tenuis Vernon H. Oswald; Lowell Ahart 1996-4-29 7467 Tehama Northwest side of Sacramento Valley. Thomes Creek Ecological Reserve. CDFG parcel on the S side of Gyle Rd. NW of Corning. Along the edge of the intermittent stream near the W boundary. 103 Comment
  UCD142363  Juncus tenuis John Thomas Howell 1960-8-20 36224 Tehama Morgan, Lassen Volcanic National Park. 1463 Comment
  CDA34213  Juncus trilocularis L. Ahart, J. Dittes 2010-7-17 16884 Tehama On the north side of Ponderosa Way, about 1,910 feet south of Bluff Springs, 4.1 miles (air) southeast of Manton, 2.8 miles (air) north of Highway 36. Comment
  RSA518663  Juncus xiphioides L. R. Heckard, Peter Rubtzoff 1971-7-31 2679 Tehama Tehama County: Damp mud of land locked lagoon off the Sacramento River just NE of Red Bluff. Comment
  UCSC000126  Juncus xiphioides H. S. Yates 1936-8-12 6092 Tehama near Mineral Summit Mineral Summit - Pay<?>es creek 1857 Comment
  CHSC32087  Juniperus californica L. Ahart 1976-11-6 1223 Tehama 8 mi e of Los Molinos. 304 Comment
  RSA592732  Juniperus californica L. C. Wheeler 1958-8-25 7441 Tehama Half way between Red Bluff and Dales. Comment
  UCSB63828  Juniperus californica Vasek, F. 1964-8-6 Tehama 5.8 mi. east of Dales Center on highway 36 Comment
  LA208512  Kelloggia galioides Carl Epling; William Robison 1935-7-16 Tehama near Mineral Comment
  UCD123875  Kickxia elatine Barbara Ertter; Elizabeth Neese, Laura Fujii, Dawn Espindola 1989-10-21 8887 Tehama south side of northwest arm of Black Butte Lake west of Orland. 152 Comment
  CHSC40522  Lactuca saligna Pauleen Broyles 1982-7-7 782 Tehama The Nature Conservancy Vina Plains Preserve. 66 Comment
  RSA794945  Lactuca serriola L. Ahart, Josephine Guardino, John Dittes 2009-8-27 16307 Tehama E side of Forest Service Road 29N25A, Childs Meadow, about 2600 feet S of the intersection of Highway 36 and Forest Service Road 29N25A, 2.3 air miles NE of the town of Mill Creek, 9.1 air miles S of Lassen Peak. 1494 Comment
  CDA8082  Lagophylla glandulosa L. Ahart, J. Dittes, J. Gannon, L. Martinez 2002-11-4 10008 Tehama Jewett Creek, east of Marguerite Road, about 1 1/4 miles (air) southeast of Corning. Comment
  CHSC40525  Lagophylla glandulosa Pauleen Broyles 1982-5-19 563 Tehama The Nature Conservancy Vina Plains Preserve. On a bank near an irrigation ditch. 66 Comment
  CHSC48171  Lagophylla glandulosa V. Oswald; W. Dempsey, R. Schlising 1988-6-10 3367 Tehama Mud Flat Rd. ca. 0.6 mi sw of its jct. with M4. 377 Comment
  CHSC66028  Lagophylla glandulosa Vernon H. Oswald 1996-5-13 7555 Tehama Northwest side of Sacramento Valley. Thomes Creek Ecological Reserve. CDFG parcel on the S side of Gyle Rd., NW of Corning. Collected on the meander plain of the creek ca. 0.3 mi E of the W boundary of the reserve. 100 Comment
  CHSC77732  Lagophylla glandulosa B. Castro; C. Warren, L. P. Janeway 1999-5-4 908 Tehama About 25 air miles NW of Orland, vicinity of Rocky Ridge, Williams Butte, and Garland/Round Valley Rd. 280 Comment
  JEPS38997  Lagophylla glandulosa W. L. Jepson 1927-6-20 12256 Tehama w of Tuscan Buttes Comment
  UC980574  Lagophylla glandulosa Milo S. Baker and H. K. Wagnon 1953-5-31 12702 Tehama roadside a mile or so e Paskenta (west Tehama County) Comment
  CHSC78807  Lagophylla minor Julie Cunningham; Jenny Marr, Caroline Warren 1998-5-11 Tehama Vicinity of Round Valley Road and Newville Road (Garland Road). 280 Comment
  CHSC48173  Lagophylla ramosissima subsp. ramosissima Vernon Oswald 1986-6-27 2161 Tehama Long Rd. (A6) 5.8 mi ne of Dales, 2.8 mi sw of jct. Lanes Valley Rd. 304 Comment
  CHSC110420  Lagophylla ramosissima subsp. ramosissima David Isle; Rhonda Isle, 2011-1-19 1948 Tehama On s edge of Black Butte Road about 2 mi NE of jct. with Newville Rd (about 1/3 way between Newville and Corning). Comment
  JEPS88416  Lamium purpureum Vernon H. Oswald and Lowell Ahart 1996-4-8 7330 Tehama on the e edge of Paynes Creek near its mouth on the Sacramento River (Hog Lake Plateau, Cascade Range Foothills, BLM parcel along Hwy 36 ne of Red Bluff); Hog Lake Plateau, Cascade Range Foothills, Paynes Creek 85 Comment
  CHSC31123  Lasthenia californica W. F. Babb 1980-4-26 12 Tehama On e side of Leininger Rd. ca. 600 m from its junction with Hwy 99 E ca. 25.5 km n of Chico. Comment
  CHSC57347  Lasthenia californica S. R. Mitchelson 1987-4-16 17 Tehama Ca 75 m e of Hog Lake, Hwy 36, 16.5 km ne of Red Bluff, 3.2 km nw of Tuscan Buttes, 5.6 km s of Dales. 262 Comment
  CHSC8119  Lasthenia californica K. Henegar 1969-4-3 90 Tehama 1 m n on Meredian after junction with 99 E. Comment
  CHSC88956  Lasthenia californica Pat Sater 2001-4-8 Tehama Tehama Wildlife Area. 50 yds south of Little Antelope Creek, on Powerline Road. UTM: 10 0589525 E, 4446210 N. 532 Comment
  HSC90016  Lasthenia californica Andrew Enberg, Brad Penkala, Dan Scofield 1990-3-31 25 Tehama Hwy. 36, 3 mi. E of Road A-5 229 Comment
  RSA586004  Lasthenia californica Adree M. Desrochers 1989-4-3 425 Tehama Near Red Bluff. Along Road 36, 4.3 km E of intersection 99/36. Comment
  UCD18757  Lasthenia fremontii Vernal Pool Team 2001; Carol Witham and Jennifer Buck 2001-4-12 50 Tehama along the Manton Rd. (A6), 2 mi past its intersection with Hwy 36, on a ridge past Dales Lake, Inks Creek site, pool # INK001, UTMs: 10T0581046; 4466683. Comment
  SEINET10475349  Lasthenia fremontii Mary Susan Taylor 1975-4-18 Taylor 485 Tehama Ca. 0.5 mi E of Hwy 99, on Keefer Rd, ca. 0.5 mi NE of jct of Hwy 99 and Keefer-Lassen Rd, ca. 5 mi N of Chico. Around huge vernal pool. 61 Comment
  CHSC77735  Lasthenia glaberrima B. Castro; H. West 1999-6-1 945 Tehama About 21 air miles W of Orland, vicinity of Newville, Salt Creek and N. Fk Stony Creek. 201 Comment
  JEPS88501  Lasthenia glaberrima Vernon H. Oswald and Lowell Ahart 1996-4-15 7375 Tehama CDFG parcel on s side of Gyle Rd. nw Corning (on drying edge of deep pool along the pipline ca. 0.3 mi n of s boundary, nw side of Valley); Sacramento Valley, Thomes Creek Ecological Reserve 102 Comment
  CHSC102241  Lasthenia gracilis L. P. Janeway; B. Castro 2009-4-25 9771 Tehama Cascade Range Foothills. Tehama Wildlife Area; north-facing slope along Powerline Road just southwest of Little Antelope Creek. 575 Comment
  UCD80082  Lasthenia platycarpha CNPS SN Foothill Team 2005-5-17 SNFN 0169 a Tehama TNC Dye Creek Preserve, NE of the intersection of Hog Gulch Road and the diversion canal. 95 Comment
  RSA614439  Lasthenia platycarpha K. L. Chambers 1965-3-27 2319 Tehama Old Hwy 99W, 6 miles S of Corning. Comment
  CHSC115225  Lathyrus angulatus B. Castro; J. Nishida 2013-5-15 1996 Tehama Sacramento Valley. N of Elder Creek, ca 0.25 mi Wof the town of Gerber. In disturbed open area W of the railroad tracks and Eof the Tehama-Colusa Canal, on flat to undulating grassland between vernal pools and swales. 74 Comment
  HSC87001  Lathyrus sulphureus Brent Helm, Curtis Miller, Mark Steiger 1988-3-25 37 Tehama 17.5 mi E of Tehama city line on Hwy 36 183 Comment
  CHSC70862  Layia chrysanthemoides Vernon Oswald; Lowell Ahart 1998-4-27 8982 Tehama Vestal Rd. 3.8 mi south of Hwy. 36 between Red Bluff and Platina. Along this section of the road. 365 Comment
  HSC90090  Layia fremontii Amy Austin, Tony LaBanca, Noreen McClintock 1990-3-31 27 Tehama On Hwy. 36, 4 mi. W of Manton Rd. 274 Comment
  HSC89626  Layia platyglossa L. Blackford, S. Branch, D. Malm 1988-3-26 30 Tehama 9 mi. E of Red Bluff at Hog Lake 259 Comment
  CHSC79959  Leontodon saxatilis subsp. longirostris B. Castro; L. P. Janeway 2000-5-11 1148 Tehama Vicinity of Orland and Black Butte Lake. 88 Comment
  JEPS105609  Lepechinia calycina L. P. Janeway 2003-6-14 7837 Tehama High Cascade Range. Along Cohasset Road 3.1 road km north-east of Deer Creek crossing 713 Comment
  HSC1819  Lepidium nitidum Larry Berti 1969-3-15 8 Tehama N face of Antelope Creek Canyon, 12 mi. E of Red Bluff, from the dam to 3 mi. upstream from dam 213 Comment
  CHSC65661  Lepidium nitidum var. nitidum Vernon H. Oswald 1996-3-20 7239 Tehama Northwest side of Sacramento Valley. Thomes Creek Ecological Reserve. Approximate center of the parcel 0.6 mi S of Gyle Rd., 0.5 mi E of the dirt lane along the W side of the parcel. On the banks of the intermittent stream crossing the preserve. 99 Comment
  CHSC88817  Lepidium nitidum var. nitidum Pat Sater 2001-3-20 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
  CHSC65916  Lepidium strictum Vernon H. Oswald; Lowell Ahart 1996-4-15 7386 Tehama Northwest side of Sacramento Valley. Thomes Creek Ecological Reserve. CDFG parcel on the S side of Gyle Rd. NW of Corning. On the dirt road at the W boundary just S of Gyle Rd. 103 Comment
  JEPS122040  Lepidium strictum Lowell Ahart, John Dittes 2014-5-16 19497 Tehama About 200 yards southwest of the lone oak tree, about 1/2 mile east of the end of Lyon Cattle Road, about 3 miles (air) northeast of Los Molinos. Comment
  CHSC80557  Leptosiphon bolanderi Vernon H. Oswald; Lowell Ahart 2001-5-7 10011 Tehama Forest Road 26N15 4.9 mi west of Hwy 32, between Soda Springs and Cohasset Ridge. 1072 Comment
  CHSC87233  Leptosiphon bolanderi Jenny Marr; L. P. Janeway 1999-4-7 Tehama Vicinity of Rocky Ridge and uppermost North Fork Stony Creek. 259 Comment
  SJSU8711  Leptosiphon ciliatus R. L. MacDonald & N. D. Addy 1962-6-30 Tehama by Hwy 36 c. 11 mi W of Mineral Comment
  RSA92984  Leptosiphon ciliatus H. K. Wagnon 1953-5-3 12653 Tehama Logging rd. west of Paskenta Comment
  UCSB63937  Leptosiphon ciliatus Oswald, Vernon; Ahart, Lowell 1996-5-6 Tehama BLM parcel along Hwy. 36 NE of Red Bluff; T28N, R3W, SE1/4, NW1/4, Sect. 13; Cascade Range Foothills; above Paynes Creek 152 Comment
  CHSC63411  Leptosiphon nuttallii subsp. howellii Vernon H. Oswald 1994-6-11 6268 Tehama Tedoc Rd. (Forest Rd. 45) 4.5 mi S of Pattymocus Lookout Rd., 1.5 mi N of Tedoc Gap, W of Red Bluff and S of Platina. Roadside bank. 1396 Comment
  HSC70011  Leptosiphon nuttallii subsp. howellii Thomas W. Nelson, Jane P. Nelson 1978-7-21 4441 Tehama Along Tedoc Rd., 10 mi. from junction with Hwy. 36, N side of Mt. Tedoc Comment
  RSA26166  Lesquerella occidentalis Alice Eastwood, J. T. Howell 1941-7-10 9859 Tehama Anthony Peak. Mendocino-Tehama Co. Comment
  UC1609136  Lesquerella occidentalis subsp. occidentalis Vernon H. Oswald and Lowell Ahart 1993-9-2 5917 Tehama ridge running e from Mt. Linn (South Yolla Bolly Mtns., ca 20 mi (air) nw of Paskenta); South Yolla Bolly Mountains, e from Mt. Linn 2377 Comment
  JEPS20643  Lessingia leptoclada unknown 1917-8-7 Tehama Red Bluff Comment
  JEPS20595  Lessingia nana W. L. Jepson 1927-6-25 12347 Tehama Pine Creek Road sta. 60 Comment
  CAS-BOT-BC341756  Lessingia nana David D. Keck 1932-7-7 1723 Tehama Red Bluff, at south city limits 95 Comment
  JEPS88028  Lessingia nana S. Markos, B. Wessa 1996-8-9 129 Tehama W of along Freemans Schoolhouse Rd, 1 mi S of Simpson Rd, along gravel road s of Timbercove Dr Corning Comment
  CHSC102238  Lessingia nemaclada L. P. Janeway 2009-4-21 9806 Tehama Cascade Range Foothills. Tehama Wildlife Area; along Ishi Road 3.5 road km south of Hogback Road; upper slope of an un-named short tributary (from the north) into Antelope Creek. 649 Comment
  CHSC83306  Lessingia nemaclada Jenny Marr; Heidi West 1998-7-2 Tehama Vicinity of Red Bank Creek and Dry Creek. 274 Comment
  JEPS59022  Lessingia nemaclada John Thomas Howell 1960-7-24 35997 Tehama 8 mi w Mineral 1219 Comment
  RSA120849  Lessingia nemaclada H. K. Wagnon 1957-7-27 1657 Tehama Trinity County 1.5 miles S of Trinity Center near S Creek. 1524 Comment
  RSA181936  Lessingia nemaclada Willard Spence 1960-9-7 622 Tehama 0.7 miles north of Paynes Creek on South Lanes Valley Road. Paynes Creek is northeast of Red Bluff 564 Comment
  CHSC65046  Lessingia virgata Vernon H. Oswald 1995-6-30 6954 Tehama Cascade Range Foothills. Dales Lake Ecological Reserve. W side of Manton Rd. (A6) ca. 1.0 mi n of Hwy. 36 at Dales Station, ca. 14 mi ne of Red Bluff. Along the edge of Inks Creek Rd. 213 Comment
  JEPS97360  Lessingia virgata Vernon H. Oswald 1995-6-30 6954 Tehama T29N R2W NW1/4 NW1/4 Sect. 35, 700 ft., Cascade Range Foothills, stony Tuscan loam. Dales Lake Reserve on the W side of Manton Rd. (A6) ca. 1.0 mi n of Hwy. 36 at Dales Station, ca. 14 mi ne of Red Bluff 213 Comment
  SEINET10846322  Leucanthemum vulgare David B. Dunn 1971-8-15 Dunn 18167 Tehama 1 1/2 mi. W of Lassen Park headquarters. Comment
  CAS-BOT-BC444501  Lewisia triphylla Alice Eastwood; John Thomas Howell 1941-7-9 9833 Tehama Near Government Flat Comment
  UC1594663  Lilaea scilloides Vernon H. Oswald and Lowell Ahart 1992-4-21 4905 Tehama ca 11 mi e (air) Red Bluff (Hogsback Rd (Belle Mill Rd or Forest Rd 28N24), near Mud Spring, 9.6 mi e (odometer) of Hwy 99, s side of road) 316 Comment
  UC54198  Lilium kelleyanum H. M. Hall and E. B. Babcock Jul 1 1903-Jul 2 1903 4364 Tehama near Morgan - Mount Lassen, Mill Creek Canyon Comment
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Dec 13 2006
  CAS-BOT-BC508410  Lilium kelleyanum H. C. Cantelow 1938-7-5 2422 Tehama Near Deer Creek, SW of Chester 1280 Comment
  CAS-BOT-BC130836  Lilium pardalinum P. A. Munz 1951-7-25 16856 Tehama Square Lake, n. base of South Yolla Bolly Mts. 2148 Comment
  HSC81969  Lilium pardalinum subsp. pardalinum Thomas W. Nelson, Jane P. Nelson 1979-6-25 4898 Tehama Along Post Creek just upstream from Forest Service road 1372 Comment
  CHSC94349  Lilium pardalinum subsp. shastense Lowell Ahart 2006-7-25 13070 Tehama East side of large meadow with bogs, about 20 yards west of the poor trail (cow trail?), about 1/2 mile north of where the dirt road crosses Colby Creek, about 2 miles (air) southeast of Colby Mountain, about 5 miles (air) northeast of Butte Meadows. 1564 Comment
  CHSC102448  Limnanthes alba subsp. alba L. P. Janeway; B. Castro 2009-4-25 9768 Tehama Cascade Range Foothills. Tehama Wildlife Area; north-facing slope along Powerline Road just southwest of Little Antelope Creek. 575 Comment
  RSA739591  Limnanthes douglasii John Dittes 2003-3-30 2003 -4 Tehama Sacramento Valley, 12.5 air miles N by NW of Chico, 1.5 air miles E of Hwy 99, S of Lassen Road 72 Comment
  HSC85777  Limnanthes douglasii Bobbi Schnell, Andrea Begnoche, Leonel Arguello 1987-3-27 19 Tehama Rte. 36, 10 mi. E of Red Bluff, 50 yds. off left side of road at the edge of water Comment
  JEPS19596  Limnanthes douglasii subsp. rosea Virginia Bailey 1938-4-16 Tehama five mi w Paskenta (on Covelo road) Comment
  CDA35338  Limnanthes douglasii subsp. rosea A. C. Browne 1951-3-27 Tehama Highway 99E [later Highway 99], 6 miles south of Vina. 0 Comment
  JEPS97480  Limnanthes floccosa subsp. floccosa Vernon H. Oswald and L. Ahart 1995-3-19 6527 Tehama T29N R2W SW1/4 NW1/4 Sec. 35, 680 ft, Cascade Range Foothills, stony Tuscan Loam over hardpan. Dales Lake Reserve on w side of Manton Rd. (A6) ca. 1 mi n of Dales Station on Hwy. 36, ca. 14 mi ne of Red Bluff 207 Comment
  CDA40058  Linanthus bolanderi Vernon H. Oswald & Lowell Ahart 2001-5-7 10011 Tehama Forest Road 26N15, 4.9 miles west of Highway 32, between Soda Springs and Cohasset Ridge. Comment
  JEPS58277  Linanthus bolanderi Virginia Bailey 1938-4-16 Tehama 6 mi w Paskenta (on Paskenta-Covelo road) Comment
  SDSU3170  Linanthus bolanderi D . F. Howe 1968-5-28 4539 Tehama 1.3 Miles north of Log Springs Guard Station. 1372 Comment
  UC1594597  Linanthus bolanderi Vernon H. Oswald and Lowell Ahart 1992-4-21 4918 Tehama Hogsback Rd (Belle Mill Rd or Forest Rd 28N24) 18.6 mi (odometer) e Hwy 99 (ca 4.75 air mi sse of Paynes Creek, 2.0 mi (odometer) e of the power tranmission lines) 762 Comment
  UC971778  Linanthus bolanderi L. R. Wohletz 1933-4-1 15 Tehama Los Molinos Comment
  JEPS94333  Linanthus ciliatus Vernon H. Oswald and Lowell Ahart 1997-5-14 8448 Tehama 2.6 mi n of the bridge on Mill Creek at Black Rock between Paynes Creek and Cohasset on Ponderosa Way (Forest Road 28N29), 17.8 mi s of Plum Creek Road Mill Creek at Black Rock; Ponderosa Way 920 Comment
  UC1873693  Linanthus dichotomus Barbara Ertter with Brad Olson 1993-5-15 11756 Tehama SW Tehama Co: Round Valley Road (M-4) ca 6 air miles SW of Paskenta, ca 1/2 mile north of Salt Creek Conservation Camp, edge of Mendocino National Forest. Comment
  JEPS76677  Linanthus nuttallii G. L. Stebbins 1972-6-16 Tehama nw side Tedoc 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
  CHSC54018  Lithophragma bolanderi Vernon H. Oswald 1991-4-3 4483 Tehama Paynes Creek Recreation Area located ca. 6 mi north-northeast of Red Bluff. 91 Comment
  CHSC65973  Lithophragma bolanderi Vernon H. Oswald; Lowell Ahart 1996-4-23 7452 Tehama Cascade Range Foothills. Hog Lake Plateau. BLM parcel along Hwy. 36 NE of Red Bluff. Localized population on slope of Paynes Creek Canyon ca. 0.4 mi N of the Jeep Trail and 0.2 mi W of the power line at this location. 198 Comment
  CHSC65468  Lithophragma campanulatum Vernon Oswald 1988-6-27 3523 Tehama Trail between Ides Cove Trailhead and 25N16 along the e side of the Yolla Bolly - Middle Eel Wilderness w of Paskenta. 2133 Comment
  HSC95163  Lithophragma parviflorum A. Hove, A. Poteet, C. Sanville 1999-4-17 23 Tehama Hwy. 36 Comment
  CAS-BOT-BC428442  Lithophragma trifoliatum Homer Miller 1917-5-1 s.n. Tehama Unspecified Comment
  CHSC105988  Lithospermum californicum B. Castro; L. P. Janeway 2000-4-22 1097 Tehama High Cascade Range. Along Ponderosa Way, on ridge between Mill Ck and Antelope Ck near headwaters of Round Mountain Ck, 1.6 mi N of the Sec. 10/15 line. 1246 Comment
  CHSC68579  Lithospermum californicum Vernon H. Oswald; Lowell Ahart 1997-5-14 8423 Tehama Between Paynes Creek and Cohasset on Ponderosa Way (Forest Rd. 28N29) 4.9 mi southeast of Plum Creek Rd., 1.1 mi southwest at a low-water crossing of the North Fork Antelope Creek/ 1030 Comment
  CHSC79259  Lithospermum californicum Beecher Crampton 1953-4-30 1192 Tehama 1.5 miles south of Paynes Creek. 548 Comment
  UC1601688  Lithospermum californicum C. M. Wilder 1912-6-23 Tehama Deer Creek 762 Comment
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Jul 6 2009
  UCR119005  Lithospermum californicum Beecher Crampton 1953-4-30 1192 Tehama Red Bluff Area., 1.5 miles south of Paynes Creek. 549 Comment
  CHSC91011  Lomatium David Isle 1995-5-2 1045 Tehama Mendocino National Forest--North Coast Ranges. Thomes Creek Watershed. Nomlaki Trail extension (SE of Mud Flat Cpgd., between Mud Flat Rd 23N35 and Log Springs Rd). 609 Comment
  CHSC32610  Lomatium caruifolium var. denticulatum J. D. Jokerst 1980-5-13 581 Tehama Wurlitzer Ranch, ca 0.5 mi N of Pine Cr. 137 Comment
  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
  SEINET9084976  Lomatium dasycarpum subsp. tomentosum B. Ertter 1990-5-12 8935 Tehama NW side of Dry Fork Creek, NW of junction of Hwy 36 and Rte A5 (Bowman Road), ca 15 air miles WNW of Red Bluff, on Reed property. 183 Comment
  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
  UC923171  Lomatium macrocarpum Freed W. Hoffman 1950-7-2 3274 Tehama 2 mi. n. White Rock Ranger Station; w. Tehama Co. 1524 Comment
  JEPS17155  Lomatium marginatum var. marginatum W. L. Jepson 1899-4-25 14286 Tehama Stiver's Ranch, Crane Creek Comment
  UCD35952  Lomatium marginatum var. marginatum Beecher Crampton 1953-4-30 1183 Tehama 10 miles east of Beegum. Comment
  SD211528  Lomatium marginatum var. marginatum Barbara Ertter 1991-5-18 9834 a Tehama Rosewood Ranch on Salt Creek circa 17 airmiles West-northwest of Red Bluff, circa 1/2 mile South of Highway 36 along creek 228 Comment
  CHSC70859  Lomatium marginatum var. purpureum Vernon Oswald; Lowell Ahart 1998-4-27 8959 Tehama Cannon Rd. 1.1 mi west of its junction with Hwy. 36 west of Rd Bluff. 256 Comment
  UC735033  Lomatium marginatum var. purpureum Lincoln Constance and Herbert L. Mason with J. F. Davidson and J. M. Tucker 1947-5-18 3203 Tehama near Bennett Spring; Inner Coast Ranges 762 Comment
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Jul 19 2009
  SEINET13944635 Image available Lomatium tomentosum Lewis S. Rose 1954-1 54035 Tehama 1.5 mi N of Red Bluff, flood bed of Dibble Creek, alt. ca. 310 ft 94 Comment
  CHSC77518  Lomatium utriculatum B. Castro; C. Warren, L. P. Janeway 1999-5-4 909 Tehama About 25 air miles NW of Orland, vicinity of Rocky Ridge, Williams Butte and Garland/Round Valley Rd. 280 Comment
  JEPS96038  Lomatium utriculatum Vernon H. Oswald and Lowell Ahart 1996-5-20 7585 Tehama BLM parcel along Hwy. 36 n.e. Red Bluff (at n.e. end of parcel, Hog Lake Plateau); Cascade Range Foothills, Hog Lake Plateau 164 Comment
  RSA424762  Lotus micranthus Aaron Liston, M. Blumler 1987-4-24 656 -1 Tehama Hwy 36 between Dales and Paynes Creek; 1.9 miles E of Dales. Comment
  JEPS95730  Lotus nevadensis var. nevadensis Vernon H. Oswald and L. Ahart 1995-7-12 7056 Tehama T28N R10W NW1/4 Sec. 35, 4540 ft, High North Coast Ranges, Yellow Pine Forest, serpentine soils. W of Red Bluff and S of Platina between Tedoc Gap and Stuart Gap on Forest Road 28N36, 0.6 mi E of Forest Route 41 1383 Comment
  CDA27369  Lupinus albifrons var. collinus L. Ahart, Vernon Oswald 2001-5-7 10008 Tehama Forest Road 26N15 4.9 miles west of Highway 32, between Soda Springs and Cohasset Ridge. Comment
  RSA92966  Lupinus albifrons var. flumineus Milo S. Baker 1953-5-9 12601 Tehama 6 mi. west of Paskenta above logging road. 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
  CHSC31104  Lupinus bicolor Thomas Chastain 1980-4-12 17 Tehama Ca. 3 km n of Black Butte Dam and 22.1 km sw of Corning. 160 Comment
  JEPS102805  Lupinus bicolor Vernon H. Oswald 2001-5-7 10009 Tehama Forest Road 26N15 4.9 mi W of Hwy 32, between Soda Springs and Cohasset Ridge 1072 Comment
  UC15992  Lupinus bicolor Harvey C. Stiles 1901-4-6 Tehama Corning Comment
  HSC89694  Lupinus bicolor William E. Avery, Steve Wilson, Matt Bergvall 1989-3-31 1989 Tehama On Tedoc Rd. (F.S. 45) near intersection with Hwy. 36, about 1.5 mi. E of boundry with Shasta Co. 549 Comment
  HSC89730  Lupinus bicolor William E. Avery, Mathew Henry Bergvall-Mensor, Steve Wilson 1989-3-31 Tehama Hwy. 36 E of Red Bluff, E of Rd. marker 47 168 Comment
  UC726294  Lupinus bicolor A. A. Heller 1929-5-2 14854 Tehama Olive Orchard Golf Links Comment
  CHSC80549  Lupinus congdonii Vernon H. Oswald; Lowell Ahart 2001-5-7 10009 Tehama Forest Road 26N15 4.9 mi west of Hwy 32, between Soda Springs and Cohasset Ridge. 1072 Comment
  RSA622144  Lupinus grayi David B. Dunn, B. J. Cox 1971-6-10 17959 Tehama 13 miles west of Mineral on California Highway 36. Comment
  CHSC90421  Lupinus latifolius Niall McCarten; Roxanne Bittman 1986-6-16 5421 Tehama Mendocino National Forest--North Coast Ranges. Thomes Creek Watershed. NE side Rd. 25N01. 1524 Comment
  CHSC88583  Lupinus lepidus var. lobbii L. P. Janeway 2001-6-10 7140 Tehama High North Coast Ranges. South-facing serpentine slope above the spring on west side of Tedoc Gap. 1340 Comment
  JEPS65074  Lupinus lepidus var. sellulus Jos. Grinnell June, 1925 Tehama Mineral 1463 Comment
  RSA296817  Lupinus meionanthus Joseph Grinnell s.n. Tehama Mineral 1463 Comment
  UC726777  Lupinus microcarpus var. microcarpus A. A. Heller 1938-5-21 15095 Tehama just s Los Molinos; s of Los Molinos Comment
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Jul 21 2009
  CHSC55219  Lupinus nanus var. apricus L. P. Janeway 1991-4-18 3897 Tehama Battle Creek Wildlife Area. Tablelands on south side of and above Battle Creek, ca. 1 1/2 mi east of the Sacramento River. 167 Comment
  RSA424767  Lupinus nanus var. apricus Aaron Liston, M. Blumler 1987-4-24 655 -8 Tehama Hwy 36 between Dales and Paynes Creek; 2 miles E of Paynes Creek. Comment
  HSC89698  Lupinus pachylobus Collin Dillingham, Robin Lewellyn, Scott Hill 1989-4-1 39 Tehama Hwy. 36 about 11 mi. E of Sacramento River in Red Bluff 274 Comment
  UC352491  Lupinus polyphyllus var. burkei J. D. Sinclair July 1928 Tehama Circle S Ranch 1524 Comment
  UCR11950  Lupinus shastensis J. T. Howell, Alice Eastwood 1941-7-9 9825 Tehama Near Government Flat Comment
  SEINET12166455  Lupinus subvexus P. Broyles, Foster, M. 1983-1 911 Tehama Nature Conservancy Vina Plains Reserve. ca 1kmNE of Barn in S pasture. T24N R1W cntr of E bound.S28 Comment
  CHSC105657  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
  CHSC84593  Lycopus americanus Lowell Ahart; John Dittes 2003-9-17 10568 Tehama On a gravel bar on the south side of Deer Creek, about 400 yards east of Highway 99, about 5 miles (air) southeast of Los Molinos. 60 Comment
  UCD169850  Lycopus americanus Lowell Ahart; John Dittes 2010-10-4 17282 Tehama along Toomes Creek at Tehama-Vina Road crossing, 1.2 miles(air) east of Sacramento River, 3.4 miles(air) southeast of Los Molinos (High School), 3.0 miles(air) nortwest of Vina. Common. Flowers white. Riparian Woodland. 57 Comment
  CHSC90434  Madia elegans Niall McCarten; Roxanne Bittman 1986-6-14 5319 Tehama Mendocino National Forest--North Coast Ranges. Thomes Creek Watershed. 0.25 mi. W of jct of Rd 25N41 and 25N32. 1371 Comment
  HSC95719  Madia elegans Vernon H. Oswald, L. Ahart 1997-7-7 8677 Tehama Lookout on Tomhead Mtn. near the NE corner of the Yolla Bolly-Middle Eel Wilderness 2058 Comment
  UC54071  Madia elegans H. M. Hall and E. B. Babcock Jul 1 1903-Jul 2 1903 4400 Tehama near Morgan (Mill Creek Canyon); Mount Lassen 1066 Comment
  CHSC101391  Madia elegans subsp. elegans David Isle 1992-7-29 1555 Tehama Mendocino National Forest, Thomes Creek Watershed. Upper Forks Ridge. S of 24N01.2, between 24N02.1 and 24N32 jcts. 1755 Comment
  CHSC89848  Madia elegans subsp. elegans L. P. Janeway; B. Castro 2004-5-30 8124 Tehama High Cascade Range. Slope above unnamed tributary from south into Deer Creek; 33 m above Road 27N08 (road from Hwy 32 across Deer Creek toward Onion Butte), 2.3 road km east of major hairpin turn where road starts dropping into the canyon. East-northeast facing steep area. 1000 Comment
  SEINET11263930  Madia elegans subsp. elegans Lowell Ahart, Vernon H. Oswald 1995-7-12 7008 Tehama W of Red Bluff and S of Platina on Forest Route 45 (Tedoc Mountain Road), 3.5 miles S of Hwy 36.; 0 Comment
  CHSC102230  Madia elegans subsp. vernalis L. P. Janeway; B. Castro 2009-4-25 9780 Tehama Cascade Range Foothills. Tehama Wildlife Area; northwest-facing slope above Little Antelope Creek; along Powerline Road 0.5 km northeast of Rock Wall. 564 Comment
  CHSC92791  Madia elegans subsp. vernalis John Dittes; Josephine Guardino 2005-5-11 1107 Tehama Northern Sacramento Valley; south bank of Mill Creek; ca. 0.3 mile east of confluence with Sacramento River; gravel bar in active channel of Mill Creek. 64 Comment
  RSA724883  Madia glomerata L. Ahart 2006-8-15 13198 Tehama East of Colby Creek, west of the poor dirt road, about 3/4 miles (air) northwest of the Snowmobile Area, about 1.25 air miles NW of Jonesville, about 4.75 miles (air) northeast of Butte Meadows. 1504 Comment
  CHSC64951  Madia gracilis Vernon H. Oswald; Lowell Ahart 1995-7-12 7061 Tehama High North Coast Ranges. Forest Route 41 10.6 mi S of Hwy. 36, W of Red Bluff and SW of Platina. Roadside. 1203 Comment
  CHSC89494  Madia gracilis G. Douglas Barbe; T. C. Fuller, J. T. Howell 1980-5-19 2667 Tehama Sacramento Valley. On Hwy 36 14.7 miles (23.7 km) west of Old Hwy 99, west of Red Bluff on the way to Peanut; plateau 0.3 mile (480 m) east of bridge over So. Fk. Cottonwood Creek. Lat:40deg. 15'N Long: 122 deg. 28' W 243 Comment
  RSA789721  Madia gracilis J. R. Shevock, David W. Isle 1985-6-22 11269 Tehama Mendocino National Forest. Along forest road 23N60 between Anthony Peak and Wells Cabin Meadow 1900 Comment
  UC1606330  Madia gracilis Barbara Ertter with James R. Shevock 1992-6-14 1117 a Tehama ca 9 airmi ese Paynes Creek (Ponderosa Way, 3.3 mi s of Plum Creek Rd, above N Fork Antelope Creek) 1005 Comment
  UCD104386  Madia gracilis Ellen Dean; M. Starbuck, DHS Madrigals 2010-8-29 6855 Tehama Western edge of Lake Almanor off Hwy 89. 1371 Comment
  CAS-BOT-BC334719  Madia gracilis John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-5-19 53460 Tehama 0.3 mile south of South Fork Cottonwood Creek on road from Red Bluff to Beegum 243 Comment
  UC1619987  Madia minima Barbara Ertter, Brad Olson 1991-7-6 10371 Tehama ca. 30 airmiles w. Croning (Rocky Cabin meadow ca. 1 mi. s. of Ball Rock, around campsite at w. end of meadow, 1 mi. s.e. of Cold Spring Forest Station) 1889 Comment
  RSA67169  Mahonia repens P. A. Munz 1951-7-24 16838 Tehama Road from Red Bluff, east slope of South Yolla Bolly Mts. 915 Comment
  CHSC21474  Maianthemum racemosum M. S. Taylor 1975-7-17 855 Tehama In Carter Meadows, ca. 1/2 mi e of Butte Mountain, ca. 5 mi s of junc of Hwys 32, 36, and 89. 1828 Comment
  SBBG1058  Maianthemum racemosum H. and M. Dearing 1938-6-25 2129 Tehama W of Mineral Comment
  CHSC35639  Malacothrix floccifera R. E. Preston 1982-4-6 223 Tehama At side of jeep trail, ca. 1/4 mi se of Salt Creek Saddle on Round Valley Rd; ca. 5 mi due w of Newville, Glenn Co. 451 Comment
  CHSC64953  Malacothrix floccifera Vernon H. Oswald; Lowell Ahart 1995-7-12 7013 Tehama High North Coast Ranges. W of Red Bluff and S of Platina on Forest Route 45 (Tedoc Mtn. Rd.), 4.9 mi S of Hwy. 36. Roadside. 1097 Comment
  RSA92980  Malacothrix floccifera Milo S. Baker, H. K. Wagnon 1953-5-10 12644 Tehama Logging road west of Paskenta in burned area Comment
  POM304460  Malva neglecta Alice Eastwood, J. T. Howell 1941-7-9 9811 Tehama Government Flat Comment
  CHSC75382  Marrubium vulgare Ben Myhre 1997-4-14 25 Tehama Dye Creek Preserve, 8 miles north of Los Molinos. About 1/4 mile west of the mouth of Dye Creek Canyon. 106 Comment
  CHSC62638  Marsilea vestita subsp. vestita Vernon H. Oswald; Lowell Ahart 1994-3-8 5978 Tehama Burris Creek Arm of Black Butte Lake at the shoreline near the E end of Morrison Bryant Rd. 144 Comment
  CHSC79935  Marsilea vestita subsp. vestita L. P. Janeway 2000-5-16 6733 Tehama Vicinity of Rice Creek, west of I-5. 77 Comment
  JEPS97377  Marsilea vestita subsp. vestita Vernon H. Oswald and Lowell Ahart 1995-6-13 6850 Tehama 14 mi NE of Red Bluff (W side of Manton Rd (A6) ca. 1.5 mi N of Hwy 36 at Dales Station); Cascade Range Foothills, Dales Lake Ecological Reserve 219 Comment
  CHSC64499  Matricaria discoidea Vernon H. Oswald; Lowell Ahart 1995-4-3 6557 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. At the s gate of the old highway. 216 Comment
  CHSC96682  Matricaria discoidea Lowell Ahart 2007-5-8 13716 Tehama On the east side of Vestal Road, about 50 yards southeast of a small stream, about 5.3 miles west of the intersection of Cannon Road and Reeds Creek Road, about 21 miles (air) west of Red Bluff. 304 Comment
  UCSB63935  Medicago arabica Oswald, Vernon; Ahart, Lowell 1996-5-6 Tehama BLM parcel along Hwy. 36 NE of Red Bluff; T28N R3W NW1/4 SW1/4 Sect 13, Cascade Range Foothills; along Paynes Creek at this lo¬cation 124 Comment
  CHSC77337  Medicago lupulina L. P. Janeway; B. Castro 1999-6-14 6464 Tehama Along south side South Fork Cottonwood Creek. 310 Comment
  CHSC43936  Medicago minima V. Oswald; L. Ahart 1988-5-21 3337 Tehama Thomas Creek ca. 1 mi e of Pasquenta. 219 Comment
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Jul 20 2009
  CHSC70882  Medicago minima Vernon Oswald; Lowell Ahart 1998-4-27 8979 Tehama Vestal Rd. at ATT fiber optics cable post 8/133, 6.1 mi south of Hwy. 36 between Red Bluff and Plantina. 304 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
  CHSC40831  Medicago polymorpha Pauleen Broyles 1982-4-30 513 Tehama The Nature Conservancy of Vina Plains Preserve. Ca 300 m. nne of barn in s pasture. 62 Comment
  CHSC64618  Medicago polymorpha Vernon H. Oswald; Lowell Ahart 1995-4-25 6683 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. 225 Comment
  JEPS65512  Medicago polymorpha J. W. Blankinship 1911-4-25 Tehama Comment
  CHSC96635  Medicago praecox Lowell Ahart; John Dittes, Josephine Guardino 2007-4-3 13612 Tehama On the banks of Brush Creek (a north branch), about 4 miles (air) northeast of the intersection of Highway 99 East and Vina Road, about 7 miles (air) southeast of Los Molinos. 112 Comment
  CHSC112026  Melica bulbosa David Isle; Bruce Baldwin, Rick York 1987-7-18 2081 Tehama Mendocino National Forest; Yolla Bolly Wilderness, SE of Solomon Pk, near spring E of Last Camp. 2118 Comment
  HSC1783  Melica californica Larry berti 1969-5-9 88 Tehama Antelope Creek Canyon, N face, 12 mi. E of Red Bluff, 3 mi. upstream from dam. 213 Comment
  SEINET10860813  Melica californica A. Arthur Heller 1916-4-20 Heller 12338 Tehama Blue oak belt 3 miles north of Redding on grassy hills, Toxicodendron the prevalent shrub. Comment
  UCD80572  Melica harfordii CNPS SN Foothill Team 2005-6-22 SNNR 0419 c Tehama USFS Lassen National Forest, near the Ishi Wilderness boundary, between Big Dry Creek and FR28N29. 1118 Comment
  CHSC61451  Melica stricta Vernon H. Oswald; Lowell Ahart 1993-8-18 5841 Tehama Lassen Volcanic National Park. Summit ridge of Mt. Conard near the S boundary of the park. Just below (W of) the summit ridge and S of the highest point on the ridge. 2490 Comment
  CHSC67320  Melica torreyana James D. Jokerst 1983-5-10 1753 Tehama Wurlitzer Ranch E of Meridian Rd., top of bluff that is the S bank of Zimmershed Creek where the flow changes from S to W. 103 Comment
  CHSC91149  Melica torreyana David W. Isle 1995-5-2 1057 Tehama Mendocino National Forest--North Coast Ranges. Thomes Creek Watershed. Nomlaki Trail N of Bennett Ck crossing. 560 Comment
  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
  CHSC84584  Mentha canadensis Lowell Ahart; John Dittes 2003-9-17 10580 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
  SBBG128036  Mentha pulegium L. Ahart, J. Dittes 2010-7-17 16849 Tehama above the high water line of the pond, dam on the W side of the pond, Soap Crk Ranch, ca. 4.8 mi SE of Manton, ca. 2 mi N of Hwy 36 812 Comment
  CHSC88948  Micropus amphibolus A. Peterson 2003-4-19 60 Tehama Sacramento River Bend Area (BLM) off Jellys Ferry Rd, about 7 mile NNE of Red Bluff. Yana Trail--Perry Riffle trailhead. UTM: between 570200E, 4460600N and 527300E, 4461300N. Near shore of stock pond. Comment
  CHSC96670  Micropus californicus var. californicus Lowell Ahart 2007-5-8 13715 Tehama On the east side of Vestal Road, about 50 yards southeast of a small stream, about 5.3 miles west of the intersection of Cannon Road and Reeds Creek Road, about 21 miles (air) west of Red Bluff. 111 Comment
  JEPS97246  Micropus californicus var. californicus Vernon H. Oswald and L. Ahart 1995-4-17 6666 Tehama T29N R2W SE1/4 NW1/4 Sec. 26, 700 ft, Cascade Range Foothills, Valley and Foothills Grassland, Stony Tuscan Loam over hardpan. Dales Lake Reserve on the W side of Manton Rd. (A6) ca. 1.5 mi n of Dales Station on Hwy. 36, ca. 14 mi ne of Red Bluff 213 Comment
  UC1053440  Micropus californicus var. californicus Rimo Bacigalupi and Arthur Holmgren 1950-4-24 3130 a Tehama along Paskenta Road 8 mi ne Flourney (w Tehama County) Comment
  CAS-BOT-BC348430  Micropus californicus var. californicus Doris Kildale Gillespie 1930-5-9 9284 Tehama Between Paynes Creek and Mineral on Susanville road Comment
  CAS-BOT-BC348432  Micropus californicus var. californicus John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-5-19 53457 Tehama 0.3 mile south of South Fork Cottonwood Creek on road from Red Bluff to Beegum 243 Comment
  CHSC67173  Microseris acuminata James D. Jokerst 1983-4-20 1714 Tehama Wurlitzer Ranch on Pine Creek 1.5 mi E of Meridian Rd., ca. 200 m N of Pine Creek and adjacent to fenceline immediately E of ranch houses. Comment
  JEPS88503  Microseris acuminata Vernon H. Oswald and Lowell Ahart 1996-4-23 7422 Tehama BLM parcel along Hwy 36 ne Red Bluff (w shore of lake); Cascade Range Foothills, Hog Lake Plateau, Hog Lake 265 Comment
  JEPS97498  Microseris acuminata Vernon H. Oswald and L. Ahart 1995-4-10 6611 Tehama Dales Station on Hwy. 36; ; T29N R2W SW1/4 NW1/4 Sec. 35, 690 ft, Cascade Range Foothills, Stony Tuscan Loam over hardpan. Dales Lake Reserve on the W side of Manton Rd. (A6) ca. 1 mi n of Dales Station on Hwy. 36, ca. 14 mi ne of Red Bluff 210 Comment
  HSC6022  Microseris acuminata John L. Heywood, D. H. Norris 1968-3-13 1843 Tehama Hwy. 36, ca. 67.74 mi. E of Shasta Co. line Comment
  SEINET11807874  Microseris acuminata Unknown 1982-1 453 Tehama Nature Conservancy Vina Plains Preserve 66 Comment
  CDA16179  Microseris douglasii subsp. douglasii G. F. Hrusa, J. Hart 1999-4-29 15032 Tehama Sacramento Valley; Coyote Creek Conservation Area, S of Red Bluff. On dry, gravelly slopes with Calycadenia fremontii sensu stricto. Occasional at this site, not seen elsewhere. 152 Comment
  CHSC66108  Microseris douglasii subsp. douglasii Vernon H. Oswald; Lowell Ahart 1996-4-29 7481 Tehama Northwest side of Sacramento Valley. Thomes Creek Ecological Reserve. CDFG parcel on the S side of Gyle Rd., NW of Corning. Near the S boundary just W of the farm pond. 106 Comment
  CHSC116680  Microseris nutans Lowell Ahart; John Dittes 2016-4-29 20817 Tehama On north side of the trail, about 400 yards south of the fish ladder on Deer Creek, northwest of a flat area (campground) above Deer Creek, about 0.8 mile (air) northeast of USFS Road 27N08 Bridge over Deer Creek, about 2 1/8 miles by trail to Highway 32. 935 Comment
  JEPS127050  Microseris nutans Lowell Ahart, John Dittes 2016-4-29 20817 Tehama About 400 yards south of the fish ladder on Deer Creek, northwest of a flat area (campground) above Deer Creek, about 0.8 mile (air) northeast of USFS Road 27N08 Bridge over Deer Creek, about 2 1/8 miles by trail to Highway 32. Comment
  CHSC70865  Microseris sylvatica Vernon Oswald; Lowell Ahart 1998-4-27 8960 Tehama Cannon Rd. 1.1 mi west of its junction with Hwy. 36 west of Red Bluff. 256 Comment
  CHSC77362  Microsteris gracilis Heidi West; Natalie Wight 1999-3-11 Tehama Vicinity of Newville, Newville Road, and Salt Creek. 243 Comment
  HSC1837  Microsteris gracilis Larry Berti 1969-3-19 25 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
  CHSC88290  Mimulus Lowell Ahart 2004-6-28 11137 Tehama Gravel bar on the south side of Thomes Creek, about 1/4 mile east of Paskenta. 213 Comment
  JEPS3638  Mimulus Milo Baker 1953-5-10 Tehama about 6 mi from Paskenta (along logging road n and w) 914 Comment
  UC980578  Mimulus Milo S. Baker 1953-5-10 12621 Tehama logging road w Paskenta (about 10 mi post) Comment
  UC1019528  Mimulus breweri Louise Kellogg 1952-7-9 10 Tehama directly s South Yolla Bolly Mountain (near Squaw Camp and Pole Corral on Boswell Ridge); North Coast Ranges, Mendocino National Forest 2133 Comment
  POM216500  Mimulus breweri H. P. Bracelin 1932-7-23 668 Tehama Mt. Lassen Road, 4 miles north of Mineral 1677 Comment
  JEPS87952  Mimulus cardinalis Barbara Ertter 1991-9-2 10789 Tehama 9 air mi wsw of Paskenta (Round Valley-Paskenta Road (Rt M4), 12.2 mi w of Newville Road jct, sw Tehama County); Round Valley-Paskenta Road 1219 Comment
  JEPS10569  Mimulus douglasii Virginia Bailey 1938-4-16 Tehama 6 mi w Paskenta (on Paskenta-Covelo road) Comment
  JEPS5589  Mimulus glaucescens W. L. Jepson 1934-5-4 16625 Tehama 2 mi e Andrews road sta.; Big Antelope Creek 76 Comment
  SEINET12334050  Mimulus glaucescens Unknown 1974-1 35 Tehama Mill/Deer Creek Study area, 200 yds N of Ponderosa Way on E side of Beaver Creek Crossing 732 Comment
  SEINET3159664  Mimulus guttatus G. R. Campbell 1948-6-17 655 Tehama 2 miles south of Vina. Comment
  UCD122709  Mimulus guttatus J. M. Tucker 1959-7-19 3564 Tehama ca. 1/2 mile east of Ides Cove, southeast side of South Yolla Bolly Mountain. 2103 Comment
  HSC49051  Mimulus kelloggii Patricia Shesgreen 1978-5-13 90 Tehama Beegum Gorge, FS Rd. 1S02, 2.7 mi. off Hwy. 36 and A16 976 Comment
  JEPS9259  Mimulus latidens R. F. Hoover 1937-5-19 2259 Tehama near Vina Comment
  HSC20765  Mimulus layneae Larry Berti 1968-6-15 Tehama Along Battle Creek, about 5 mi. below Mineral 1372 Comment
  RSA14419  Mimulus lewisii H. P. Bracelin 1932-7-23 675 Tehama Mt. Lassen National Park, 9 miles above Mineral. Comment
  UC726172  Mimulus moniliformis A. A. Heller 1936-6-19 Tehama Mineral Comment
  RSA791129  Mimulus moschatus Gerald Dickinson 1964-7-24 234 Tehama Anthony Peak, 1/4 mi below on east slope. Growing at water tank overflow. 2043 Comment
  UCD19413  Mimulus moschatus Gerald Dickinson 1964-7-24 234 Tehama Anthony Peak, 1/4 mile below slope. 2042 Comment
  JEPS17626  Mimulus nanus var. nanus Rimo Bacigalupi with G. Thomas Robbins, Keith Wagnon and Douglas Barbe 1955-7-17 5334 Tehama 3/4 mi e and above Somerset Meadow (1.2 mi below and s of Ovenlid); High North Coast Ranges 1889 Comment
  JEPS88569  Mimulus pilosus Vernon H. Oswald and Lowell Ahart 1996-6-3 7704 Tehama BLM parcel along Hwy. 36 NE of Red Bluff; Cascade Range Foothills, Riparian Association in Blue Oak Woodland, Tuscan mudflow substrate. Along Paynes Creek ca. 0.3 mi downstream from old bridge site. 103 Comment
  CDA41816  Mimulus torreyi L. Ahart 2001-6-8 8792 Tehama On the west side of road M2, about 9 miles west of Paskenta. Comment
  UC767416  Mimulus tricolor R. F. Hoover 1937-5-19 2260 Tehama near Vina Comment
  JEPS97475  Minuartia californica Vernon H. Oswald and L. Ahart 1995-2-22 6493 Tehama Dales Lake Ecological Reserve. T29N R2W SW1/4 NE1/4 Sec. 26, 720 ft, Cascade Range Foothills, stony Tuscan Loam over hardpan. W side of Manton Rd. (A6) ca. 1 mi n of Dales Station on Hwy. 36, ca. 14 mi ne of Red Bluff. 219 Comment
  CHSC102334  Minuartia cismontana L. P. Janeway; B. Castro 2009-4-25 9741 Tehama Cascade Range Foothills. Tehama Wildlife Area; along the Powerline Road near the Shaw Creek Bridge over an un-named northeastern fork of Shaw Creek. 518 Comment
  CAS-BOT-BC174691  Minuartia cismontana R. C. Barneby; J. T. Howell 1954-5-12 11484 Tehama 9 miles e. of Paynes Creek 1005 Comment
  CDA24059  Minuartia douglasii L. Ahart 2006-5-5 12574 Tehama Along the Nomalaki Trail (Thomes Gorge Trail), about 100 yards west of China Gulch, about 1/4 mile south of Bowers Creek, about 3/4 mile northwest of Forest Road 23N69 (Mud Flat Road), about 6 1/2 miles (air) southwest of Paskenta. Comment
  CHSC64965  Minuartia douglasii Vernon H. Oswald; Lowell Ahart 1995-7-12 7032 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
  RSA739758  Minuartia nuttallii subsp. gregaria John Dittes, Josephine Guardino, L. Ahart 2003-8-23 786 Tehama High N Coast Range, Yolla Bolly Middle Eel Wilderness, S Yolla Bolly Mtns, N slope of Mt. Linn 2140 Comment
  UC1299620  Minuartia nuttallii subsp. gregaria Freed W. Hoffman 1947-6-23 1633 Tehama Government Flat North Coast Ranges (w Tehama Co.) 796 Comment
  UCD98297  Minuartia nuttallii subsp. gregaria J. M. Tucker; L. K. Mann 1959-7-19 3558 Tehama southeast side of South Yolla Bolly Mountain. 2255 Comment
  CAS-BOT-BC181120  Minuartia nuttallii var. nuttallii John Thomas Howell 1960-8-19 36201 Tehama Summit ridge, Brokeoff Mt. - Lassen Volcanic National Park 2804 Comment
  CAS-BOT-BC181139  Minuartia rosei J. P. Smith; T. W. Nelson 1978-7-22 10031 Tehama Shasta-Trinity National Foest, Tedoc Mtn. 1613 Comment
  CAS-BOT-BC181151  Minuartia rosei Thomas W. Nelson; J. P. Smith 1978-7-22 10031 Tehama Tedoc Mtn., Shasta-Trinity National Forest 1613 Comment
  HSC70004  Minuartia rosei Thomas W. Nelson, Jane P. Nelson 1978-7-22 4451 Tehama Along road to Handy Camp Gulch, 0.25 mi. E of Wells Creek 1372 Comment
  HSC71865  Minuartia rosei Thomas W. Nelson, Jane P. Nelson 1980-6-22 5784 Tehama Along road to Wells Creek Campground, 1 mi. SE of Tedoc Gap 1311 Comment
  JEPS81073  Minuartia rosei Thomas W. Nelson and Jane P. Nelson 1980-6-22 5846 Tehama along forest service rd. 45 1.5 mi n Tedoc Gap (w side of mt.); Six Rivers National Forest, Mount Tedoc 1371 Comment
  JEPS94579  Mitella caulescens Vernon Oswald and Lowell Ahart 1997-7-7 8715 Tehama Forest Route 35 at branch of creek ca. 0.4 mi w Rat Trap Gap (n side of Wilderness); Yolla Bolly-Middle Eel Wilderness, South Fork of Beegum Cree 1706 Comment
  CHSC100905  Mollugo verticillata R. A. Schlising 1978-8-6 3335 Tehama At the Lassen Road crossing of Singer Creek. 70 Comment
  UC1873664  Mollugo verticillata Barbara Ertter 1993-11-8 12307 Tehama Tehama County River Park on east side of Sacramento river east of Corning. Comment
  CHSC77351  Monardella odoratissima Heidi West; L. P. Janeway 1999-4-6 Tehama Vicinity of Salt Creek, North Fork Stony Creek, and Newville. 201 Comment
  HSC70136  Monardella odoratissima Thomas W. Nelson, Jane P. Nelson, J. P. Smith 1978-7-22 4462 Tehama At jct. of Tedoc Rd. and road to summit of Mt. Tedoc Comment
  RSA201217  Monardella odoratissima Hans Leschke 1960-8-5 1678 Tehama Between Summit Lake and Bear Lakes, Lassen Volcanic National Park 2134 Comment
  CAS-BOT-BC222060  Monardella odoratissima subsp. pallida A. A. Heller 1937-7-21 15931 Tehama Near the Sulphur Works entrance to Lassen Volcanic National Park Comment
  CHSC61745  Monardella odoratissima subsp. pallida Vernon H. Oswald 1993-9-2 5894 Tehama Ridge running E from Mt. Linn, South Yolla Bolly Mtns., ca. 20 mi (air) NW of Paskenta. 2346 Comment
  JEPS63391  Monardella odoratissima subsp. pallida Jos. Grinnell 1925-7-21 Tehama Mineral 1463 Comment
  RSA764369  Monardella odoratissima subsp. pallida V. A. Funk, L. M. Prince 2003-6-23 12447 Tehama Lassen National Forest, along rt 32, 0.3 mi east of Deer Creek. 1-2 miles before intersection of rts. 32 and 89. 1341 Comment
  UCR130062  Monardella odoratissima subsp. pallida George K. Helmkamp, E. A. Helmkamp 2001-7-7 6911 Tehama Northern Sierra Nevada Mountains, SE of Mt. Lassen; Calif. Hwy 36/89 at Gurnsey Creek, about 2 mi north of junction with Calif. Hwy 32 1448 Comment
  UC2035925  Monardella villosa subsp. villosa Robert F. Hoover 1938-6-10 3593 Tehama North of Jelley's Ferry Comment
  JEPS34935  Monolopia major W. L. Jepson 1899-4-27 21025 Tehama Salt Creek Salt Creek (a tributary of the Cottonwood) Comment
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Feb 9 2019
  CHSC64364  Montia fontana subsp. chondrosperma Vernon H. Oswald; Lowell Ahart 1995-2-22 6495 Tehama Dales Lake Ecological Reserve. W side of Manton Rd. (A6) ca. 1 mi n of Dales Station on Hwy. 36, ca. 14 mi ne of Red Bluff. Growing in a wet depression in grassland on the w side of Dales Lake n of Inks Creek Rd. 213 Comment
  JEPS110465  Montia linearis Lowell Ahart 2006-7-19 13047 Tehama In a large meadow and bog, about 40 yards west of the abandoned logging road, about 250 yards north of where the dirt road crosses Colby Creek, about 2 miles (air) southeast of Colby Mountain, about 5 1/8 miles (air) northeast of Butte Meadows 1540 Comment
  UC1146657  Muhlenbergia filiformis Freed W. Hoffman 1947-6-23 1681 A Tehama Government Flat North Coast Ranges (w Tehama Co.) 796 Comment
  JEPS105189  Muhlenbergia rigens Dean W. Taylor 1992-10-8 13265 Tehama Sourgrass Creek; ca. 8 miles SW of Corning Bluff 85 Comment
  UC1026393  Myosurus minimus John Thomas Howell 1954-4-26 29191 Tehama 6 mi s Corning Comment
  CHSC65058  Nama lobbii Vernon H. Oswald; Lowell Ahart 1995-7-17 7096 Tehama Forest Road 29N22 2.2 mi W of Hwy. 89, ca. 2.5 mi SSE of the SW corner of Lassen Volcanic National Park. 1780 Comment
  CDA15862  Nassella cernua G. F. Hrusa, J. Hart 2000-4-8 15308 Tehama Sacramento Valley; Coyote Creek Conservation Area. Comment
  CHSC77976  Nassella cernua B. Castro; L. P. Janeway 1999-5-11 929 Tehama About 24 air miles NW of Orland, vicinity of Paskenta, Garland/Round Valley Rd, and Rocky Ridge. 298 Comment
  CHSC91141  Nassella cernua D. Isle 1995-6-20 210 Tehama Mendocino National Forest--North Coast Ranges. Thomes Creek Watershed. (Southern end Nomlaki Trailhead) 0.15 mi. above Wilder Pond (=1.8 mi. up Log Springs Rd., 23N02.3=55 on Rec. map), 7 mi. from Salt Creek Rd. 670 Comment
  JEPS102494  Nassella lepida Lowell Ahart 2001-6-8 8803 Tehama On the west side of road M2, about 9 miles west of Paskenta. 792 Comment
  CHSC41068  Nassella pulchra Pauleen Broyles 1982-5-6 543 Tehama The Nature Conservancy Vina Plains Preserve. On w side of Sheep Camp Ditch. 66 Comment
  JEPS28788  Navarretia divaricata George W. Gillett 1957-8-18 1093 Tehama about 0.25 mi above Sulphur Works Checking Station (lower portion of the Brokeoff Trail); Lassen Volcanic National Park, Brokeoff Mountain 2103 Comment
  UC980576  Navarretia divaricata Milo S. Baker and H. K. Wagnon 1953-7-11 12830 Tehama 1.9 mi above Whitlock Camp (w Tehama County) 1371 Comment
  JEPS113319  Navarretia filicaulis L. P. Janeway 2006-8-20 8851 Tehama HIgh Cascade Range. Ridge top between Deer Creek and Nine-mile Creek, overlooking Devils Parade Ground from the southeast; about 80 m west of Road 26N15 8.0 road km southwest of Soda Springs and Hwy 32. Comment
  UCD36237  Navarretia intertexta Beecher Crampton 1953-4-29 1170 Tehama Tehama County, 4 miles south of Dales, along Route 36. Comment
  CHSC64719  Navarretia intertexta subsp. intertexta Vernon H. Oswald 1995-5-22 6747 Tehama Cascade Range Foothills. Dales Lake Ecological Reserve. W side of Manton Rd. (A6) ca. 1 mi n of Hwy. 36 at Dales Station, ca. 14 mi ne of Red Bluff. On the margin of Dales Lake (e side). 213 Comment
  UC54531  Navarretia intertexta subsp. propinqua H. M. Hall and E. B. Babcock Jul 1 1903-Jul 2 1903 4356 Tehama near Morgan ((Mill Creek Canyon)); Mount Lassen 1524 Comment
  HSC96840  Navarretia jepsonii L. Ahart 2004-6-11 11021 Tehama E of Dead Rabbit Lake along trail, 50 yds. W of Nomalaki Trail, 1.5 mi. NW of Bowers Creek, 2.25 mi. NW of FS Rd. 23N69, 8 mi. SW of Paskenta 550 Comment
  JEPS105980  Navarretia jepsonii Lowell Ahart 2004-6-11 11021 Tehama East of Dead Rabbit Lake, along trail to Dead Rabbit Lake, ca. 50 yd W of the Nomalaki Trail, ca. 1 1/2 mi NW of Bowers Creek, ca. 2 1/4 mi NW of Forest Rd 23N69 (Mud Flat Rd), ca. 8 mi (air) SW of Paskenta 549 Comment
  HSC75047  Navarretia leptalea J. P. Smith, Thomas W. Nelson 1978-7-22 10044 Tehama Shasta-Trinity National Forest, Tedoc Gap 1372 Comment
  HSC82434  Navarretia leptalea Thomas W. Nelson, Jane P. Nelson, R. J. Cole 1979-7-27 5060 Tehama Along old logging rd. W side of USFS Rd. at Pole Corral Gap 1311 Comment
  HSC1724  Navarretia leucocephala Larry Berti 1969-5-9 69 Tehama Antelope Creek Canyon, N face, 12 mi. E of Red Bluff, 3 mi. upstream from dam. 213 Comment
  JEPS18188  Navarretia leucocephala Rimo Bacigalupi with F. Chisaki and G. T. Robbins 1956-4-18 5596 Tehama 7.3 mi w Red Bluff (along Lowrey-Red Bluff) 118 Comment
  JEPS19810  Navarretia leucocephala Rimo Bacigalupi with S. Galen Smith 1957-6-24 6020 Tehama 8.1 mi s Corning (along U.S. Highway 99-W) 83 Comment
  UCD39791  Navarretia leucocephala (C. R?) Bell 1950-5-1 720 Tehama 8 miles N.E. of Flournoy, S.W. Tehama County in Sacramento Valley. Comment
  CHSC64630  Navarretia leucocephala subsp. leucocephala Vernon H. Oswald; Lowell Ahart 1995-4-25 6688 Tehama Cascade Range Foothills. Dales Lake Ecological Reserve. W side of Manton Rd. (A6) ca. 2 mi n of Dales Station on Hwy. 36, ca. 14 mi ne of Red Bluff. On the bed of the intermittent stream located on the s side of the basalt ridge crossing the nw corner of the reserve. 207 Comment
  UCD18774  Navarretia leucocephala subsp. leucocephala Vernal Pool Team 2001; Carol Witham and Jennifer Buck 2001-4-13 67 Tehama along the Manton Rd. (A6), 2 mi past its intersection with Hwy 36, on a ridge past Dales Lake, Inks Creek site. Comment
  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
  SEINET11263190  Navarretia leucocephala subsp. leucocephala Barbara Ertter, Brad Olson 1993-5-15 11790 Tehama Jellys Ferry Road ca 6 miles NNE of Interstate Hwy 5 north of Red Bluff.; 0 122 Comment
  CHSC116945  Navarretia pubescens D. S. Groteguth 2011-5-13 Tehama Red Bank area west of Red Bluff. Transitional area consisting of rolling foothills. Used primarily for cattle grazing and wildlife habitat. 199 Comment
  UC1076023  Navarretia pubescens Herbert L. Mason 1947-5-18 14788 Tehama 1 mi w Corning 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-BC232753  Navarretia sinistra subsp. pinnatisecta P. A. Munz 1951-7-25 16878 Tehama 1 mile E of Square Lake, South Yolla Bolly Mountains 2133 Comment
  CAS-BOT-BC232755  Navarretia sinistra subsp. pinnatisecta Alice Eastwood; John Thomas Howell 1941-7-9 9813 Tehama Government Flat Comment
  CHSC101431  Navarretia sinistra subsp. sinistra David Isle 1990-5-2 1539 Tehama Pollard Superior Tree Progeny Site, N of 24N01.2. 1280 Comment
  CHSC27808  Navarretia tagetina Eric J. Miller 1978-4-26 23 Tehama Ca. 6 km e of Sacramento River at Woodson Bridge. 59 Comment
  CHSC64721  Navarretia tagetina Vernon H. Oswald; Lowell Ahart 1995-5-9 6710 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 near the nw end of the Old Hwy. Pool. 219 Comment
  CHSC66496  Navarretia tagetina Vernon H. Oswald; Lowell Ahart 1996-5-20 7602 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
  UC1607544  Navarretia tagetina Barbara Ertter 1991-5-19 9874 Tehama 14.5 mi w Red Bluff (on Hwy 36, near Baxter Road junction) 243 Comment
  UC809640  Navarretia tagetina Philip A. Munz 1949-5-14 13202 Tehama 7 mi s Corning Comment
  JEPS105201  Navarretia viscidula Dean W. Taylor 1995-5-24 14939 Tehama about 5 miles S Red Bluff; Coyote Creek 1.5 miles west of Paskenta Road 167 Comment
  RSA92986  Navarretia viscidula Milo S. Baker, H. K. Wagnon 1953-5-31 12700 Tehama Roadside a mile or so east of Paskenta Comment
  SD71270  Navarretia viscidula John Thomas Howell 1955-6-12 30320 Tehama 1 mile south of Cottonwood, dry clay flat Comment
  SEINET10840530  Nemacladus montanus Baker 1953-6-20 Baker 12744 Tehama Logging road west of Paskenta near 8th or 9th mile post; West Tehama County 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
  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
  UC726898  Nemophila heterophylla A. A. Heller 1927-4-23 14347 Tehama Fern Bank Comment
  RSA90610  Nemophila parviflora var. parviflora Milo S. Baker 1953-6-21 12790 Tehama Logging road west of Paskenta above Henderson s Canyon. Comment
  CHSC64734  Odontostomum hartwegii Vernon H. Oswald; Lowell Ahart 1995-4-25 6693 Tehama Cascade Range Foothills. Dales Lake Ecological Reserve. W side of Manton Rd. (A6) ca. 2 mi n of Dales Station on Hwy. 36, ca. 14 mi ne of Red Bluff. 198 Comment
  JEPS97340  Oenanthe sarmentosa Vernon H. Oswald and L. Ahart 1995-7-31 7164 Tehama T29N R1W SE1/4 NE1/4 Sec. 4, 1200 ft, Cascade Range Foothills, Blue Oak Wood-land. At Morgan Creek crossing Lane Valley Rd. 1.0 mi SE of Manton Rd. (A6) 365 Comment
  CHSC27309  Oenothera elata subsp. hirsutissima T. B. Devine 1977-9-4 461 Tehama Red Bluff Diversion Dam s side along bank at boat ramp. Sacramento River. 74 Comment
  SEINET13943276 Image available Olea europaea W. A. Weber, Lewis S. Rose 1953-1 8469 Tehama widely cultivated, vicnity of Corning; 250 ft alt. 76 Comment
  SEINET10968273  Orcuttia greenei Mary Susan Taylor 1980-6-21 Taylor 2936 Tehama T24N R1W sw sec 20. Richardson Springs quad. Lellinger vernal pool, ca. 16 mi N of Chico, ca. 1/4 mi E of Hwy 99E, on N side of Lellinger Road. With R. Schlising & T. Griggs. Comment
  CHSC52887  Orcuttia pilosa R. D. Stone 1986-7-19 764 Tehama Central Valley. TNC Vina Plains Preserve, S pasture about 0.8 miles NNE of Haille Road and 0.2 miles N of barn. Northern of three large vernal pools. 64 Comment
  SEINET4080561  Orcuttia pilosa L. M. Boykin, P. M. Hall 2001-1 Tehama Comment
  CAS-BOT-BC254352  Orcuttia tenuis F. T. Griggs 1973-8-31 128 Tehama 1.4 miles N of Dales, [Highway 36] on the road to Manton Comment
  CHSC45701  Orcuttia tenuis R. D. Stone 1987-8-18 848 Tehama Central Valley. About 10 miles NNE of Red Bluff and 1.2 miles due E of Jellys Ferry, 0.5 miles NE of N end of Table Mountain Lake. Vernal pool. 166 Comment
  CHSC45703  Orcuttia tenuis R. D. Stone; R. E. Buck 1987-8-10 844 Tehama Central Valley. 1.1 miles NE of Dales and 0.3 miles E of Manton Road (County Rd. A-6), ca. 15 miles NE of Red Bluff. Vernal pool. 205 Comment
  CHSC45781  Orcuttia tenuis R. D. Stone; R. E. Buck 1987-8-4 834 Tehama Central Valley. About 2.5 miles NNE of Vina, third in the series of five Laniger (Leininger) Lakes. Vernal pool. 80 Comment
  CHSC45789  Orcuttia tenuis R. D. Stone; J. M. Erzinger 1986-7-18 759 Tehama Central Valley. N side of Springs Ranch Road ca. 3.5 miles SE of Balls Ferry, 0.85 miles ESE of Coleman Fish Hatchery and 0.25 miles S of the Tehama-Shasta county line. 196 Comment
  CHSC45794  Orcuttia tenuis R. D. Stone 1986-7-20 772 Tehama Central Valley. Dales Lake, W side of Manton Road (County Rd. A-6) about 15 miles NE of Red Bluff and 1.3 miles NNE of Dales. Vernal lake. 213 Comment
  CHSC52900  Orcuttia tenuis R. D. Stone 1986-7-22 781 Tehama Central Valley. About 15 miles NE of Red Bluff on Inks Creek Ranch, 1.25 miles NW of Dales Lake. Lowermost and largest in a series of vernal pools. Over the central portion (just north of the fence dividing Sections 22 and 27). 179 Comment
  JEPS84128  Orcuttia tenuis R. D. Stone 1986-8-24 804 Tehama 0.15 mi e eastern TNC Preserve boundary (0.4 mi sw of Lassen Road crossing of Singer Creek); Central Valley, Vina Plains 67 Comment
  JEPS84140  Orcuttia tenuis R. D. Stone 1986-7-22 781 Tehama 1.25 mi nw Dales Lake (about 15 mi n of Red Bluff, lowermost and largest of vernal pools); Central Valley, Inks Creek Ranch 179 Comment
  JEPS88168  Orcuttia tenuis Vernon H. Oswald and Lowell Ahart 1996-7-8 7976 Tehama BLM parcel along Hwy 36 ne of Red Bluff (on receding margins of ne side of Hog Lake, Cascade Range Foothills); Hog Lake Plateau, Cascade Range Foothills, Hog Lake 265 Comment
  SD131795  Orcuttia tenuis R. D. Stone 1986-7-20 772 Tehama Dales Lake, W side of MantonRoad (County Road A-6) about 15 miles NE of Red Bluff and 1.3 miles NNE of Dales 213 Comment
  UC618211  Orcuttia tenuis R. F. Hoover 1939-5-11 4097 Tehama drying pond on rocky volcanic plateau ne Red Bluff Comment
  SEINET10592192  Orcuttia tenuis Alan A. Beetle 1942-1 Tehama Comment
  CHSC48641  Orobanche fasciculata Vernon Oswald 1984-4-11 1143 Tehama Round Valley Rd. (also M4 or 23N02), 5.2 mi w of Newville Rd. (2.5 mi w of Mendoncino Nat. Forest boundary). 426 Comment
  OBI77049  Orobanche fasciculata Anthony Baniaga 2011-6-3 298 Tehama Lassen NF. Along 28N29, game refuge boudnary. Panther Spring quad T27N R2E sec 15 NE of SW 1072 Comment
  CHSC100899  Oxypolis occidentalis R. A. Schlising; Marc Hayes 1977-8-6 3198 Tehama Along Highway 32, 15 miles north of Butte Creek crossing (=17.5 miles north of junction with Humboldt Road to Butte Meadows). Comment
  CHSC42641  Oxypolis occidentalis Vernon Oswald 1985-7-8 1892 Tehama Hwy 32 1.9 mi sw of Elam Campground. 1365 Comment
  JEPS76259  Oxyria digyna Todd Keeler-Wolf 1977-9-10 658 Tehama n face South Yolla Bolly Mountains 2346 Comment
  JEPS60656  Paeonia brownii W. L. Jepson 1899-5-27 Tehama Greasewood Hills Yollo Bolly Mts. Comment
  CHSC102667  Panicum capillare Lowell Ahart; John Dittes, Josephine Guardino 2009-8-27 16346 Tehama On damp dark soil (humus), west side of pond, on the east side of Forest Service Road 29N25A, Childs Meadows, about 2,600 feet south of intersection of Highway 36 (89) and Forest Service Road 29N25A, 2.3 miles (air) northeast of the town of Mill Creek, 9.1 miles (air) south of Lassen Peak. T29N, R4E, area between southeast 1/4 Section 23 and southwest 1/4 Section 24. 1493 Comment
  CHSC65150  Panicum dichotomiflorum subsp. dichotomiflorum Vernon H. Oswald; Lowell Ahart 1995-7-31 7150 Tehama Dales Lake Ecological Reserve. Cascade Range Foothills. W side of Manton Rd. (A6) ca. 1 mi N of Dales Station (on Hwy. 36), ca. 14 mi NE of Red Bluff. Near the S tip of the reserve. 207 Comment
  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
  CHSC47401  Paronychia ahartii John T. Howell 1955-6-12 30307 Tehama 8.5 miles south of Corning. Comment
  JEPS88557  Paronychia ahartii Vernon H. Oswald and Lowell Ahart 1996-5-6 7534 Tehama BLM parcel along Hwy 36 ne Red Bluff (Cascade Range Foothills, n of gravel road and w of the Jeep Trail at this location); Cascade Range Foothills, Hog Lake Plateau 225 Comment
  JEPS88617  Paronychia ahartii Roy E. Buck and Glenn L. Clifton 1990-4-6 1502 Tehama ca 2.2 air km sw Battle and Baldwin Creeks confluence (31 air km ne of Red Bluff, on plain just s of small w-draining dry tributary of Battle Creek, just w of gas pipeline); sw of confluence of Battle and Baldwin Creeks 289 Comment
  UCD77901  Paronychia ahartii Robert E. Preston 2003-5-18 2138 Tehama Ca. 9 mi NE of Red Bluff, on Hog Lake Plateau 268 Comment
  JEPS25394  Parvisedum pumilum Rimo Bacigalupi with G. T. Robbins 1959-4-21 7008 Tehama about 1 mi e of Dales (along State Highway 36, just s of roadway); State Highway 36 234 Comment
  CHSC88248  Paspalum distichum Lowell Ahart; Samantha Mackey Hillaire 2004-7-9 11192 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
  CHSC65066  Pectiantia pentandra Vernon H. Oswald; Lowell Ahart 1995-7-17 7085 Tehama Forest Road 30N16 0.5 mi N of Hwy. 36, ca. 2 mi NE of Mineral. 1572 Comment
  JEPS68212  Pectocarya penicillata Virginia Bailey 1938-4-16 Tehama 6 mi w Paskenta; Paskenta Covelo Road 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
  UCSB63860  Pectocarya pusilla Oswald, Vernon; Ahart, Lowell; Molter, Joe 1996-3-25 Tehama BLM parcel along Hwy. 36 NE of Red Bluff; T28N R2W center NE 1/4, Sect. 8; Cascade Range Foothills 198 Comment
  CHSC65849  Pedicularis densiflora Kristiaan G. Stuart 1995-4-15 12 Tehama Found on Rd. 27N08 6.5 km from Deer Crk. bridge in state game refuge. 1200 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
  SJSU5837  Pedicularis densiflora C. R. Beeber 1970-4-18 Tehama 2 mi W of Grass Valley on Rough & Ready Rd 670 Comment
  UC1299763  Pellaea brachyptera Freed W. Hoffman 1950-7-6 3763 Tehama ca. 1 mi ne White Rock Guard Station (western) Comment
  SBBG119801  Pellaea mucronata subsp. californica L. Ahart 2004-4-29 10811 Tehama Nomalaki Trail, ca, 1/8 mi SE of an unnamed lake, ca. 0.75 mi by trail NW of Dead Rabbit Lake, ca. 1.5 mi NW of Bowers Crk, ca. 2.25 mi NW of Forest Rd 23N69 (Mud Flat Rd), ca. 8 air mi SW of Paskenta 562 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
  JEPS127253  Pellaea mucronata var. mucronata Lowell Ahart, John Dittes, Josephine Guardino 2016-2-11 20701 -A Tehama About 2 miles by trail to Highway 32. Comment
  HSC95704  Penstemon anguineus Vernon H. Oswald, L. Ahart 1997-7-7 8710 Tehama Forest Route 35 at Jones Camp Creek, N side of Yolla Bolly-Middle Eel Wilderness, E of Rat Trap Gap 1524 Comment
  JEPS127859  Penstemon azureus subsp. azureus Adam C. Schneider with Will Freyman and Yuri P. Springer 2014-5-20 634 Tehama Mendocino National Forest. About half way up to radio tower on Toomes Camp Rd west of Paskenta. Comment
  POM203122  Penstemon azureus subsp. azureus Alice Eastwood, John T. Howell 1934-4-21 1849 Tehama Between Red Bluff and Paynes Creek. Comment
  SDSU10921  Penstemon azureus var. angustissimus R. M. Beauchamp 1965-7-17 Tehama Growing along Hwy 32 near Windy Cut Lookout. Comment
  UC1238928  Penstemon deustus Freed W. Hoffman 1948-7-12 2466 Tehama Platina to Redding Road about 1 mi from Platina; North Coast Ranges, Platina to Redding Road Comment
  CHSC61387  Penstemon deustus var. suffrutescens Vernon H. Oswald; Lowell Ahart 1993-8-11 5794 Tehama Lassen Volcanic National Park. N end of Spencer Meadow extending into Lassen Volcanic National Park E of Mt. Conard and S of Twin Meadows. 2036 Comment
  CHSC77385  Penstemon heterophyllus var. purdyi L. P. Janeway; Caroline Warren 1999-5-13 6422 B Tehama Vicinity of Rocky Ridge and Newville. West facing slope. 292 Comment
  UC704294  Penstemon heterophyllus var. purdyi Frank A. Pitelka 1946-6-15 198 Tehama two mi se Beegum; se of Beegum 502 Comment
  NY627257  Penstemon neotericus K. A. Vincent 1987-8-11 4506 Tehama Sierra Nevada, Deer Creek Canyon; along west side of CA 32 and Deer Creek, ca. 4.5 miles northeast of Potato Patch Campground, ca. 6.5 miles southwest of jct. CA 36/89, ca. 10.5 miles southeast of Mineral. 1280.2 Comment
  NY627270  Penstemon neotericus G. W. Gillett 1953-8-16 337 Tehama Near Diamond Peak 2209.8 Comment
  UC696742  Penstemon neotericus David D. Keck 1930-7-24 967 Tehama 17 mi w Chester (Domingo Springs, eastern Tehama County); Sierra Nevada, Domingo Springs 1525 Comment
  CHSC80563  Penstemon newberryi var. newberryi Vernon H. Oswald; Lowell Ahart 2001-5-7 10014 Tehama Forest Road 26N15 4.9 mi west of Hwy 32, between Soda Springs and Cohasset Ridge. 1072 Comment
  JEPS7225  Penstemon newberryi var. newberryi Joseph Grinnell 1925-7-12 Tehama Mineral 2438 Comment
  UC887191  Penstemon newberryi var. newberryi A. A. Heller 1937-6-26 15348 Tehama on Highway #36 about 2 mi e Child's Meadows; e of Child's Meadows 1371 Comment
  OBI9274  Penstemon purpusii Robert F. Hoover 1963-7-4 8573 Tehama log Spring Ridge near Bodkin cabin Comment
  POM298983  Penstemon purpusii Alice Eastwood, John T. Howell 1941-7-9 9743 Tehama Log Spring Ridge between Log Spring and Government Flat. Comment
  RSA121386  Penstemon purpusii G. D. Barbe 1955-7-16 182 Tehama On the E ridge leading to the summit of S Yolla Bolly (Mt. Linn) 2287 Comment
  CHSC55598  Penstemon rydbergii K. R. Stern 1986-5-21 8309 Tehama Deer Creek Meadows, 1 mi SE of jct hwys 32 and 36. 1402 Comment
  NY650946  Penstemon rydbergii var. oreocharis B. J. Ertter 1989-7-4 8694 Tehama 1.4 miles east of Mineral on Highway 36 at Conard Grove LP, upper edge of Battle Creek Meadows along Nanny Creek. 1524.0 Comment
  UCD124267  Penstemon rydbergii var. oreocharis J. M. Tucker 1951-6-28 2155 Tehama Ca. 500 feet lower than summit, east side of Anthony Peak. 1950 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
  JEPS97380  Pentagramma triangularis subsp. triangularis Vernon H. Oswald and Lowell Ahart 1995-4-10 6643 Tehama 14 mi NE of Red Bluff (W side of Manton Rd (A6) ca. 2 mi N of Dales Station on Hwy 36; NE corner of reserve, near old hwy); Cascade Range Foothills, Dales Lake Ecological Reserve 225 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
  CHSC60295  Perideridia bolanderi subsp. bolanderi Mary Ann Showers 1992-6-26 2569 Tehama Lassen Volcanic National Park. On ridge east of Sulphur Works Entrance Station above West Sulphur Creek. 1950 Comment
  RSA756848  Perideridia bolanderi subsp. involucrata Barbara Ertter, Brad Olson 1991-7-5 10295 Tehama Metzger Ranch at confluence of Big and Little Crane creeks [= Stiver s Ranch ], ca 15 airmiles WNW of Red Bluff 213 Comment
  CHSC80581  Perideridia kelloggii Lowell Ahart 2001-6-14 8819 Tehama Near a small wash, burned area on the west side of road M2, about 7.5 miles west of Paskenta. 579 Comment
  CHSC67279  Persicaria hydropiper James D. Jokerst; Jeri Donovan 1981-9-30 1499 Tehama Wurlitzer Ranch on Pine Creek, 1.0 mi E of Meridian Rd., ca. 0.5 mi E of Bell Ranch on S bank of Pine Creek. Comment
  CHSC113344  Petrorhagia dubia Lowell Ahart; John Dittes 2014-5-16 19495 Tehama On the sides of the poor dirt road, about 200 yards southwest of the lone oak tree, about 1/2 mile east of the end of Lyon Cattle Road, about 3 miles (air) northeast of Los Molinos. 99 Comment
  UC923098  Phacelia Freed W. Hoffman 1950-7-6 3302 Tehama about 1 mi ne White Rock Guard Station (near Trinity-Tehama co. boundary) Comment
  HSC13717  Phacelia corymbosa Louise Kellogg 1952-7-12 28 Tehama S Yolla Bolly Mtns., Middle Eel-Yolla Bolly Primitive Area 2439 Comment
  JEPS2010  Phacelia distans W. L. Jepson 1899-4-27 21015 Tehama not far from Tom's Head (but down in the foothills, w Tehama Co.); Wimmeshaw Comment
  JEPS2171  Phacelia egena W. L. Jepson 1934-5-4 16627 Tehama 2 mi e Andrews road sta.; Big Antelope Creek Comment
Read comments
Jul 16 2009
  JEPS76262  Phacelia egena Todd Keeler-Wolf 1977-9-10 665 Tehama Mt. Linn South Yolla Bolly Mountains Comment
  UC1228234  Phacelia egena Rimo Bacigalupi with G. T. Robbins, K. Wagnon, and D. Barbe 1955-7-16 5328 Tehama Mt. Linn summit South Yolla Bolly ridge (very summit of ridge) 2463 Comment
  JEPS74156  Phacelia egena Jeffrey Huber 1971-6-10 274 Tehama CA Hwy 36 18 mi e Red Bluff 548 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
  UCD120516  Phacelia hastata subsp. compacta Dean W. Taylor 1976-7-9 6049 Tehama Headwaters of Cub Cr. 1859 Comment
  RSA719182  Phacelia mutabilis L. 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 45 1/8 miles (air) northeast of Butte Meadows. 1541 Comment
  UC923096  Phacelia mutabilis Freed W. Hoffman 1950-7-1 3307 Tehama near South Yolla Bolly Mountain (w Tehama Co.); The Ovenlid 2011 Comment
  HSC95447  Phacelia mutabilis L. Ahart 2001-6-16 8868 Tehama On the E side of the dirt road, near Ike Dye Hill, about 2 mi. W of Hwy. 32, W of Soda Springs Campground, about 3 mi. W of Butte Meadows 1341 Comment
  UC923125  Phacelia mutabilis Freed W. Hoffman 1950-6-30 3305 Tehama 9.4 mi n point where Ball Rock Road leaves the County Road (w of Paskenta, w Tehama Co.); Cold Spring 1920 Comment
  JEPS101551  Phacelia purpusii Dean W. Taylor 1997-6-18 16077 Tehama Ponderosa Way about 0.5 miles S of Chapman Gulch; ca. 4 miles S Highway 36 960 Comment
  RSA756489  Phacelia purpusii Barbara Ertter, James R. Shevock 1992-6-14 11218 Tehama Ponderosa Way west of junction Lassen Trail, south of Mill Creek about 13 air miles south-southwest of Mineral. 1067 Comment
  CHSC87021  Phalaris aquatica Jenny Marr; Heidi West, Caroline Warren, Natalie Wight 1998-7-9 Tehama Vicinity of Red Bank Creek and Sunflower Gulch. 289 Comment
  CAS-BOT-BC128864  Philadelphus Alice Eastwood 1912-8-22 1922 Tehama Along road from Battle Creek to Red Bluff - Lassen Butte Region 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
  UC1051687  Phlox douglasii subsp. rigida Helen K. Sharsmith 1953-6-24 4354 Tehama near summit of Ovenlid; Inner North Coast Ranges, Mendocino National Forest 1920 Comment
  CHSC57487  Phlox gracilis S. R. Mitchelson 1987-4-12 11 Tehama Ca 1.2 km nw of Black Butte. 274 Comment
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Feb 19 2009
  JEPS11974  Phlox speciosa subsp. occidentalis Rimo Bacigalupi with G. T. Robbins 1954-6-26 4635 Tehama 2.8 mi n Mendocino Pass (near Low Gap Ranger Station); Mendocino National Forest 1859 Comment
  CHSC102340  Phoradendron densum L. P. Janeway 2009-3-28 9677 Tehama Cascade Range Foothills. Tehama Wildlife Area; along West Grapevine Jeep Trail 1.9 road km west of the powerlines; ridge top north of Little Grapevine Creek. 503 Comment
  CHSC67308  Phoradendron serotinum subsp. macrophyllum James D. Jokerst 1981-2-23 1235 Tehama Wurlitzer Ranch on Pine Creek, 1.0 mi E of Meridian Rd. Comment
  UC1078852  Phoradendron villosum Job Kuijt 1957-5-21 1360 Tehama 8 mi. w. Mineral (Hwy. 36) 1493 Comment
  UC1078855  Phoradendron villosum Job Kuijt 1957-5-21 1363 Tehama Manton Comment
  CAS-BOT-BC58801  Phyllodoce breweri John Thomas Howell 1960-8-19 36120 Tehama Lassen Volcanic National Park - Brokeoff Mt. Trail 2346 Comment
  RSA739805  Physalis lancifolia John Dittes, Josephine Guardino 2008-10-8 1545 Tehama Northern Sacramento Valley, E bank of Sacramento River at Southern edge of Mill Creek confluence 63 Comment
  UC2026988  Phytolacca americana David J. Keil, Kathleen Keil 2011-7-25 31091 Tehama Ca. 2.2 miles west of Interstate Route 5 and north from Browman Road on Amen Lane Comment
  CHSC117638  Phytolacca americana var. americana Lowell Ahart; John Dittes 2016-8-25 21306 Tehama East of the parking area, along a dirt road, about 200 yards west of the Sacramento River, Anderson River Park, 0.7 mile (air) upstream from Sillwater Creek Confluence, 1.8 miles (air) northeast of Balls Ferry Road exit from Interstate 5 in Anderon. Undesignated section of San Buenaventura Land Grant. 117 Comment
  CHSC113330  Pilularia americana Lowell Ahart; John Dittes 2014-5-18 19521 Tehama Along the east side of the canal, about 100 yards south of the bridge, about 1 1/2 miles east of the end of Lyon Cattle Road, about 3 1/2 miles (air) northeast of Los Molinos. 99 Comment
  CHSC55083  Pilularia americana L. P. Janeway 1991-5-11 3954 B Tehama About 1/4 mi south of Battle Creek; ca 1 1/2 mi east of the Sacramento River. Battle Creek Wildlife Area. 169 Comment
  JEPS88060  Pilularia americana Vernon H. Oswald and Lowell Ahart 1996-4-15 7360 Tehama nw Corning (CDFG parcel on s side of Gyle Rd, ca. 0.1 mi e of lane); nw Sacramento Valley 103 Comment
  CAS-BOT-BC78722  Pinus jeffreyi John Thomas Howell 1960-8-20 36207 Tehama Morgan 1463 Comment
  CHSC9729  Pinus jeffreyi Nancy Mosman 1971-7-17 102 Tehama Abundant along e side of Hwy 32 ca. 1.5 mi s of Chester. 1524 Comment
  UCSB8763  Pinus lambertiana Wilken, Dieter; Haller, John 1968-9-10 Tehama Between Paskenta and South Yolla Bolly Pk., at Howell Saddle, 23.8 miles northwest of Paskenta 1889 Comment
  UC401402  Pinus monticola W. P. Taylor 1913-8-11 Tehama 2 mi s of s Yolla Bolly Mt. Comment
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Jul 5 2009
  SEINET6841546  Pinus ponderosa R. A. Evers, Clara V. Evers 1975-8-23 115006 Tehama 2 miles (3.2 km) west of Mineral, elevation ca. 4400 feet. Comment
  CHSC64902  Pinus sabiniana Vernon H. Oswald; Lowell Ahart 1995-6-13 6859 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. 225 Comment
  UC1219746  Pinus sabiniana Paul F. Graves 1938-9-1 8470 Tehama 20 mi e Red Bluff (foothills on e side of valley); Sacramento Valley Comment
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Feb 2 2008
  UC1199959  Plagiobothrys arizonicus Stanton A. Cook 1960-4-23 944 A Tehama steep hillside 5 mi n Newville (on road from Newville to Paskenta) Comment
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Dec 30 2017
  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
  CHSC26616  Plagiobothrys austiniae M. P. Hayes 1978-3-28 136 Tehama Found near the vernal pools along Leininger road, approx. .8 mi e of Highway 99. 40 Comment
  CHSC40689  Plagiobothrys austiniae Pauleen Broyles 1982-4-8 369 A Tehama The Nature Conservancy Vina Plains Preserve. Ca 50 m south of Lassen Road and 50 m west of internal fence. 67 Comment
  CHSC55193  Plagiobothrys austiniae L. P. Janeway 1991-3-28 3865 Tehama Battle Creek Wildlife Area. Just south of and above Battle Creek; 1 1/3 mi east of the Sacramento River. 175 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
  CHSC84519  Plagiobothrys austiniae John Dittes 2003-3-30 2003 -5 Tehama Sacramento Valley; approximately 12.5 air-miles north by northwest of Chico, ca. 1.5 air-miles east of State Hwy 99, south of Lassen Road. 71 Comment
  SBBG128091  Plagiobothrys austiniae J. Dittes 2003-3-30 2003 -5 Tehama Sacramento Valley, ca. 12.5 air-mi NNW of Chico, ca. 1.5 air-mi E of State Hwy 99, S of Lassen Rd 71 Comment
  JEPS88110  Plagiobothrys bracteatus Vernon H. Oswald and Lowell Ahart 1996-5-6 7525 Tehama BLM parcel along Hwy 36 ne of Red Bluff (along Paynes Creek, Cascade Range Foothills, Hog Lake Plateau); Hog Lake Plateau, Cascade Range Foothills, Paynes Creek 124 Comment
  SD260919  Plagiobothrys canescens Richard R. Halse 2016-3-19 9646 Tehama Tehama Co., Ca: along Newville Rd ca. 8.2 miles northwest of its junction with interstate Hwy. 5 at Orland; northeast end of Black Butte Reservoir near spillway to Stony Creek 113 Comment
  UCSB63982  Plagiobothrys canescens Jokerst, James 1983-4-20 Tehama Wurlitzer Ranch on Pine Creek, 1.5 mi. E of Meridian Rd., ca. 200 m. N of Pine Creek and adjacent to fenceline immediately E of ranch houses Comment
  JEPS68037  Plagiobothrys canescens J. W. Blankinship 1911-4-25 Tehama Tehama Comment
  UCD18746  Plagiobothrys glyptocarpus Vernal Pool Team 2001; Carol Witham and Jennifer Buck 2001-4-12 39 Tehama 2.5 mi. east along Lassen Rd. from intersection of Hwy 99, north of Lassen Rd. 1 mi., Foor Ranch site. Comment
  CHSC65950  Plagiobothrys greenei Vernon H. Oswald; Lowell Ahart 1996-4-23 7423 Tehama Cascade Range Foothills. Hog Lake Plateau. BLM parcel along Hwy. 36 NE of Red Bluff. In upland along the W shore of Hog Lake. 265 Comment
  CAS-BOT-BC231010  Plagiobothrys hispidulus A. A. Heller 1937-6-28 s.n. Tehama Mineral 1371 Comment
  CAS-BOT-BC231017  Plagiobothrys hispidulus P. A. Munz 1951-7-26 16951 Tehama Square Lake, N base of S Yolla Bolly Park 2133 Comment
  JEPS61039  Plagiobothrys humistratus R. F. Hoover 1937-5-19 2247 Tehama near Vina Comment
  CHSC40694  Plagiobothrys leptocladus Pauleen Broyles 1982-4-15 417 Tehama The Nature Conservancy Vina Plains Preserve. Near irrigation ditch where it crosses under Hwy 99. 60 Comment
  UCD120856  Plagiobothrys leptocladus G. F. Hrusa 1996-5-2 12907 Tehama Scattered in bottoms of vernal pools near corner of Plaskenta Rd. and Ottmar Ave (Dusty Way), Central Valley. 110 Comment
  RSA726485  Plagiobothrys nothofulvus L. Ahart 2007-5-8 13717 Tehama About 5.3 miles west of the intersection of Cannon Road and Reeds Creek Road, abotu 21 miles (air) west of Red Bluff. 305 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
  RSA66373  Plagiobothrys scouleri var. hispidulus P. A. Munz 1951-7-26 16951 Tehama Square lake, n. base of South Yolla Bolly Pk. 2134 Comment
  CHSC54000  Plagiobothrys scriptus Vernon H. Oswald; Lowell Ahart 1991-5-9 4549 Tehama Paynes Creek Recreation Area located ca. 1.5 mi northeast of the Bend Bridge over the Sacramento River, ca. 6.5 miles north-northeast of Red Bluff. On the north side of the large pond at the entrance kiosk. 112 Comment
  JEPS68115  Plagiobothrys shastensis W. L. Jepson 1932-5-9 16365 Tehama rubble field 3-4 mi ne Red Bluff (near Seven Mile Creek) 137 Comment
  CHSC79267  Plagiobothrys stipitatus var. micranthus B. Castro; L. P. Janeway 2000-4-4 1079 Tehama Vicinity of Orland, W of Highway I-5. 128 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
  JEPS22652  Plagiobothrys stipitatus var. micranthus Rimo Bacigalupi with Drs. Herbert and Lucille Mason Apr 22 1958-Apr 23 1958 6284 Tehama about 2 mi w Kirkwood (about 1/2 mi w of US Hwy 99, about 7 mi s of Corning, lower portions of plains); Kirkwood plains 73 Comment
  SEINET10844290  Plagiobothrys stipitatus var. micranthus Lowell Ahart, R. Lansdown 2007-4-25 Ahart 13694 Tehama T27N, R6W, Section 7. Normal size plants, on dry soil, on the bottom of a very small drainage, southeast of a small farm pond, on the south side of Vestal Road, about 4.2 miles west of the intersection of Cannon Road and Reeds Creek Road, about 20 miles (air) west of Red Bluff. Foothill Woodland. Comment
  UC1096824  Plagiobothrys tenellus Milo S. Baker 1953-5-30 12679 Tehama logging road ca 5 mi w Paskenta; South Yolla Bolly Mountains Comment
  CHSC41020  Plantago coronopus Pauleen Broyles 1982-5-21 635 Tehama The Nature Conservancy Vina Plains Preserve. Ca .5 km south of Lassen Road. 66 Comment
  JEPS95691  Plantago elongata Vernon H. Oswald and L. Ahart 1995-4-10 6609 Tehama Dales Station on Hwy. 36; ; T29N R2W NW1/4 NW1/4 Sec. 35, 700 ft, Cascade Range Foothills, Stony Tuscan Loam over hardpan. Dales Lake Reserve on the W side of Manton Rd. (A6) ca. 1 mi n of Dales Station on Hwy. 36, ca. 14 mi ne of Red Bluff 213 Comment
  UC1586597  Plantago elongata Vernon H. Oswald and Lowell Ahart 1991-5-9 4556 Tehama ca 6.5 mi nne Red Bluff (ca 1.5 mi ne of the Bend Bridge over the Sacramento River, on the n side of a newly constructed pond, ca 0.5 mi se ot the entrance kiosk); Paynes Creek Recreation Area 112 Comment
  UCD18748  Plantago elongata Vernal Pool Team 2001; Carol Witham and Jennifer Buck 2001-4-12 41 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
  UCD18770  Plantago elongata Vernal Pool Team 2001; Carol Witham and Jennifer Buck 2001-4-13 63 Tehama along the Manton Rd. (A6), 2 mi past its intersection with Hwy 36, on a ridge past Dales Lake, Inks Creek site, pool # INK001, UTMs: 10T0581046; 4466683. Comment
  CHSC118635  Plantago erecta Richard R. Halse 2016-3-19 9649 Tehama Along Newville Road ca. 8.2 miles northwest of its junction with Interstate Hwy. 5 at Orland; northeast end of Black Butte Reservoir, near spillway to Stony Creek. 113 Comment
  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
  JEPS104329  Plantago lanceolata Lowell Ahart 2003-6-11 10249 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
  UC1019540  Platanthera limosa Louise Kellogg 1952-7-15 49 Tehama near Squaw Camp and Pole Corral on Boswell Ridge directly s South Yolla Bolly Mountain; North Coast Ranges, Mendocino Natl Forest, South Yolla Bolly 2133 Comment
  CAS-BOT-BC92252  Platystemon californicus D. Haskamp; E. Sonnenblick; M. Taft 1995-4-22 33 Tehama On Highway 36 at the intersection with Beegum Creek. 396 Comment
  SEINET4399751  Plectranthus Leila M. Shultz 1990-5-5 11328 Tehama North Coast Ranges; Mendocino Forest 305 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
  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
  UCD80807  Plectritis congesta subsp. brachystemon CNPS SN Foothill Team 2006-4-4 SNFN 0440 f Tehama Wurlitzer Ranch (private), north of Pine Creek. 289 Comment
  HSC1834  Plectritis macrocera Larry Berti 1969-3-19 30 Tehama N face of Antelope Creek Canyon, 12 mi. E of Red Bluff, from the dam to 3 mi. upstream from the dam. 213 Comment
  UC499755  Plectritis macrocera Doris Kildale Gillespie 1930-5-9 9293 Tehama 18 mi w of Mercial (on Susanville Road); Susanville Road Comment
  CAS-BOT-BC254912  Poa bulbosa L. E. Smith 1915-5-1 s.n. Tehama Red Bluff? Comment
  RSA424686  Poa bulbosa Aaron Liston, M. Blumler 1987-4-24 654 -14 Tehama Hwy 36 between Dales and Paynes Creek; 1.9 miles E of Dales. Comment
  UCD149779  Poa palustris William Anderson 1965-8-7 s.n. Tehama Deer Creek. Hyw. 32. Comment
  UC1183421  Poa pratensis subsp. pratensis J. M. Tucker and L. K. Mann 1959-7-18 3534 Tehama South Yolla Bolly Mt 1920 Comment
  RSA92964  Poa secunda M. S. Baker 1953-4-25 12519 Tehama Foothills along Crane Lumber Rd. West of Paskenta, perhaps 2 miles Comment
  CHSC102313  Poa secunda subsp. secunda L. P. Janeway; B. Castro 2009-4-25 9781 Tehama Cascade Range Foothills. Tehama Wildlife Area; northwest-facing slope above Little Antelope Creek; along Powerline Road 0.5 km northeast of Rock Wall. 564 Comment
  CHSC77407  Poa secunda subsp. secunda Heidi West; L. P. Janeway 1999-4-6 Tehama Vicinity of Salt Creek, North Fork Stony Creek, and Newville. Top of hill. 207 Comment
  JEPS70659  Poa secunda subsp. secunda W. L. Jepson 1899-4-25 Tehama Stiver's Ranch Rosewood 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
  SEINET11689125  Poa tenerrima Unknown 1982-1 440 Tehama The Nature Conservancy Vina Plains Preserve, ca 1 km S of Lassen Road 70 Comment
  HSC93650  Pogogyne zizyphoroides G. Fred Hrusa, J. Hart 1998-5-10 14418 Tehama Coyote Creek Conservation Area: ridge above Coyote Creek wash, 1 mi. W of Paskenta Rd. 100 Comment
  SEINET12332640  Pogogyne zizyphoroides Unknown 1982-1 447 Tehama Just S of Lassen Roadl T24N R1W, S central Section 21 68 Comment
  JEPS95286  Polanisia dodecandra subsp. trachysperma Lowell Ahart 1994-7-24 7508 Tehama Butte Meadows; N side of Humboldt Road, W of bridge across Butte Creek, E of int. of Skyway (Bull Hill Rd) and Humboldt Road 1325 Comment
  CAS-BOT-BC423368  Polanisia dodecandra subsp. trachysperma T. C. Fuller 1970-6-18 19735 Tehama From adj. Antelope Creek, 6 mi. w. of Red Bluff 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
  CHSC94355  Polemonium occidentale Lowell Ahart 2006-7-25 13069 Tehama East side of a large meadow with bogs, about 20 yards west of the poor trail (cow trail?), about 1/2 mile north of where the dirt road crosses Colby Creek, about 2 miles (air) southeast of Colby Mountain, about 5 miles (air) northeast of Butte Meadows. 1540 Comment
  SBBG119806  Polemonium occidentale L. Ahart 2006-7-25 13069 Tehama ca. 0.5 N of dirt rd crossing of Colby Crk, ca. 2 air mi SE of Colby Mtn, ca. 5 air mi NE of Butte Meadows 1564 Comment
  JEPS94339  Polygonum bidwelliae Vernon H. Oswald and Lowell Ahart 1997-5-14 8453 Tehama 0.8 mi n of the bridge on Mill Creek at Black Rock (between Paynes Creek and Cohasset on Ponderosa Way (Forest Road 28N29) 19.5 mi s of Plum Creek Road); Ponderosa Way 725 Comment
  SEINET3405106 Image available Polygonum bidwelliae June McCaskill 1960-5-26 607 Tehama hills on west side of road, on Wright-Graham ranch, South Power House Road, 1.5 miles S of Manton Comment
  CHSC79078  Polygonum bolanderi L. P. Janeway 2000-6-30 6872 Tehama Inner North Coast Ranges. About 1.3 km north of Round Mountain and about 2.1 km west of Eagle Peak. 1073 Comment
  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
  RSA518661  Polygonum hydropiper L. R. Heckard 1971-7-31 26743 Tehama Damp mud of land locked lagoon off the Sacramento River just NE of Red Bluff. Comment
  CHSC117579  Polygonum minimum Lowell Ahart; John Dittes, Josephine Guardino 2016-9-21 21363 Tehama Dry area on the west side of Highway 89, about 50 yards south of Bluff Falls, about 1 mile south of Lassen Volcanic National Park, about 2 1/2 miles (air) north of Morgan Mountain. 1963 Comment
  CHSC85294  Polygonum minimum John Dittes; Josephine Guardino, Lowell Ahart 2003-8-23 814 Tehama High North Coast Range; Yolla Bolly-Middle Eel Wilderness; South Yolla Bolly Mountains; north slope of eastern ridge of Mt. Linn; ca. 0.8 air-mile east of Square Lake. Downslope of trail. 2113 Comment
  CAS-BOT-BC419987  Polygonum polygaloides subsp. kelloggii Clare R. Wheeler 1981-6-17 2433 Tehama Mendocino National Forest. Found in the meadow E and below Uhl Peak. W of Government Flat. 1950 Comment
  JEPS117390  Polygonum punctatum Lowell Ahart, John Dittes 2010-10-4 17285 Tehama Along Toomes Creek, Toomes Creek at Tehama-Vina Road crossing, 1.2 miles (air) east of the Sacramento River, 3.4 miles (air) southeast of Los Molinos (High School), 3.0 miles (air) northwest of Vina 57 Comment
  RSA768932  Polygonum punctatum L. Ahart, John Dittes 2010-10-4 17285 Tehama Along Toomes Creek, Toomes Creek at Tehama-Vina Road crossing, 1.2 air miles east of the Sacramento River, 3.4 air miles southeast of Los Molinos (High School), 3 air miles northwest of Vina. 58 Comment
  CHSC65694  Polypodium calirhiza Vernon H. Oswald; Lowell Ahart, Joe Molter 1996-3-25 7273 Tehama Cascade Range Foothills. Hog Lake Plateau. BLM parcel along Hwy. 36 NE of Red Bluff. On the south bank of Paynes Creek, near the end of the gravel road running westward from the parkinglot on Hwy 36. 106 Comment
  JEPS104174  Polypogon australis Lowell Ahart 2003-6-11 10276 Tehama On the south side of Battle Creek, ca 1 mi n of Manton Rd, ca 1 1/2 mi (air) ne of the Colman Power House, ca 5 mi (air) wsw of Darah Springs State Fish Hatchery, ca 10 mi (air) ene of Cottonwood. 153 Comment
  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
  CAS-BOT-BC76771  Polystichum imbricans subsp. imbricans Alice Eastwood; John Thomas Howell 1941-7-9 9818 Tehama Government Flat Comment
  JEPS94922  Polystichum imbricans subsp. imbricans Vernon Oswald and Lowell Ahart 1997-6-10 8550 Tehama on M2 (23N69) 0.9 mi w junction with M4 (between Sugar Spring and Government Flat campgrounds, between Paskenta and Covelo) 1737 Comment
  CAS-BOT-BC102408  Populus fremontii Ann W. Gillette 1978-8-5 s.n. Tehama Todd Island, Sacramento River southeast of Red Bluff Comment
  UC1134832  Populus trichocarpa P. L. Johannsen 1936-8-26 1000 Tehama Deer Cr at e side Paynes Cr. Quad.; Lassen National Forest, Paynes Creek Quad. Comment
  CHSC59137  Porterella carnosula Vernon H. Oswald 1992-7-21 5134 Tehama Dry Lake on Viola-Mineral Rd. (Forest Rt. 17, Forest Rd. 31N17), 0.5 mi S of Forest Rd. 30N16 (to Hwy. 89), ca. 3.5 mi (air) NW of Mineral. 1798 Comment
  JEPS101405  Porterella carnosula Dean W. Taylor 1997-6-25 16096 Tehama margin of Pear Lake; Lassen National Forest 1920 Comment
  CHSC37527  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
  JEPS127224  Potamogeton crispus Lowell Ahart, John Dittes 2016-8-25 21296 Tehama Anderson River Park, 0.7 mile (air) upstream from Stillwater Creek Confluence, 1.8 miles (air) northeast of Balls Ferry Road exit from Interstate 5 in Anderson. Undesignated Section of San Buenaventura Land Grant. Comment
  CAS-BOT-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
  CAS-BOT-BC267178  Potamogeton foliosus D. Showers 1980-7-19 DS 4380 Tehama 0.25 mile S of WIndy Point, Diamond Peak, Lassen Volcanic National Park 2072 Comment
  CHSC102636  Potamogeton foliosus var. foliosus Lowell Ahart; Josephine Guardino 2009-9-6 16362 -A Tehama East of the enclosure, shallow water in Gurnsey Creek, meadow, about 3/4 mile southwest of the intersection of Highway 36 and Paynes Creek Road, about 6 1/2 miles (air) southeast of Mineral. 1478 Comment
  CHSC61437  Potentilla drummondii Vernon H. Oswald; Lowell Ahart 1993-8-11 5793 Tehama N end of Spencer Meadow extending into Lassen Volcanic National Park E of Mt. Conard and S of Twin Meadows. 2023 Comment
  CAS-BOT-BC540576  Potentilla gracilis var. fastigiata Alice Eastwood; John Thomas Howell 1941-7-9 9809 Tehama Government Flat Comment
  CHSC48863  Potentilla millefolia Vernon Oswald 1984-6-7 1265 Tehama Wilson Lake located ca. 8 mi e of Mineral. Meadow. 1609 Comment
  UCD113964  Poteridium annuum P. B. Kennedy 1928-5-7 s.n. Tehama 9 miles from Red Bluff, F. Lessiere Ranch. Comment
  JEPS123956  Poterium sanguisorba Lowell Ahart, John Dittes, Josephine Guardino, Steve Green 2015-7-31 20412 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
  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
  RSA123634  Prunus emarginata G. D. Barbe 1955-7-16 198 Tehama On the E ridge leading to the summit of S Yolla Bolly (Mt. Linn) 2317 Comment
  SBBG3044  Prunus emarginata H. and M. Dearing 1938-6-23 2122 Tehama near S boundary of Lassen Nat Park Comment
  CHSC79902  Prunus subcordata L. P. Janeway; B. Castro 2000-4-22 6683 Tehama High Cascade Range. Along Ponderosa Way near top of Middle Ridge, overlooking South Fork Antelope Creek and Black Butte. 1036 Comment
  JEPS94154  Prunus subcordata Vernon Oswald and Lowell Ahart 1998-4-27 8975 Tehama w. of Red Bluff and s.e. of Platina (Weemasoul Rd. near its junction w/ Pettyjohn Rd.) 417 Comment
  CHSC68596  Prunus virginiana var. demissa Vernon H. Oswald; Lowell Ahart 1997-5-14 8419 Tehama Ponderosa Way (Forest Rd. 28N29) 3.8 mi southeast of Plum Creek Rd. at a low-water crossing of the North Fork Antelope Creek. 938 Comment
  CHSC59170  Pseudognaphalium luteoalbum Vernon H. Oswald 1992-9-29 5225 Tehama Hwy. 89 at Bluff Falls, 0.8 mi S of the boundary of Lassen Volcanic National Park. Roadside. 1972 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
  CHSC66040  Pseudognaphalium stramineum Vernon H. Oswald; Lowell Ahart 1996-5-6 7513 Tehama Hog Lake Plateau. Cascade Range Foothills. BLM parcel along Hwy. 36 NE of Red Bluff. By stream at this location. 182 Comment
  CHSC77307  Pseudognaphalium stramineum L. P. Janeway; B. Castro 1999-6-24 6478 Tehama Along the creeklet in Long Gulch southwest of South Fork Cottonwood Creek. At base of slope. 341 Comment
  RSA755492  Pseudostellaria jamesiana Barbara Ertter, Brad Olson 1991-7-6 10366 Tehama Rocky Cabin meadow ca 1 mile south of Ball Rock, 1 mile southeast of Cold Spring Forest Station, ca 30 air miles west of Corning. 1890 Comment
  RSA123551  Pseudotsuga menziesii G. D. Barbe 1955-7-17 211 Tehama On the county road to Oven Lid at the sign Sommerset (sic) 3/4 1890 Comment
  CHSC64600  Psilocarphus brevissimus var. brevissimus Vernon H. Oswald; Lowell Ahart 1995-4-17 6649 Tehama Cascade Range Foothills. Dales Lake Ecological Reserve. W side of Manton Rd. (A6) ca. 1 mi n of Dales Station on Hwy. 36, ca. 14 mi ne of Red Bluff. Between Dales Lake and the w boundary of the reserve. 213 Comment
  JEPS22649  Psilocarphus brevissimus var. brevissimus Rimo Bacigalupi with Drs. Herbert and Lucille Mason Apr 22 1958-Apr 23 1958 6287 Tehama about 2 mi w Kirkwood (lower portion of plains, about one-half mi w of U.S. Highway 99, about 7 mi s of Corning); Kirkwood Plains 73 Comment
  JEPS97258  Psilocarphus brevissimus var. brevissimus Vernon H. Oswald and L. Ahart 1995-5-9 6716 Tehama T29N R2W NE1/4 NW1/4 Sec. 26, 700 ft, Cascade Range Foothills, stony Tuscan loam. Dales Lake Reserve on the W side of Manton Rd. (A6) ca. 1.5 mi n of Dales Station on Hwy. 36, ca. 14 mi ne of Red Bluff 213 Comment
  CHSC79962  Psilocarphus oregonus L. P. Janeway 2000-5-16 6739 Tehama Vicinity of Rice Creek, west of Hwy I-5. 80 Comment
  UC1056269  Psilocarphus oregonus Rimo Bacigalupi and Arthur Holmgren 1950-4-24 3132 Tehama 8 mi ne Flourney (along Paskenta Road) Comment
  CHSC113911  Psilocarphus tenellus Lowell Ahart 2014-5-8 19438 Tehama On the south side of the paved road to Berris Creek, about 0.4 mile east of the intersection with Black Butte Road, about 12-1/2 miles (air) southwest of Corning. 150 Comment
  CHSC79965  Psilocarphus tenellus var. globiferus L. P. Janeway 2000-5-16 6736 Tehama Vicinity of Rice Creek, west of Hwy I-5. 79 Comment
  JEPS57991  Pterostegia drymarioides Virginia Bailey 1938-4-16 Tehama 6 mi. w. Paskenta (on Paskenta-Covelo Rd.) Comment
  HSC70178  Pyrola aphylla Thomas W. Nelson, Jane Nelson, J. P. Smith 1978-7-22 4462 Tehama At jct. of Tedoc Rd. and road to summit of Mt. Tedoc Comment
  CHSC82371  Pyrola asarifolia subsp. asarifolia Lowell Ahart 2002-6-29 9813 Tehama In the northwest part of a meadow, east on the dirt road on the west side of Willow Creek, about 1/8 mile southwest of Colby Mountain Lookout Road where it crosses Willow Creek, about 5 miles (air) northeast of Butte Meadows. 1653 Comment
  CHSC64970  Pyrola dentata Vernon H. Oswald; Lowell Ahart 1995-7-12 7035 Tehama High North Coast Ranges. W of Red Bluff and S of Platinaon the summit of Tedoc Mtn. (end of Forest Road 28N60). 1615 Comment
  HSC81829  Pyrola dentata Thomas W. Nelson, Jane Nelson, R. J. Cole 1979-7-27 5044 Tehama Along road from Regan Meadow to Brushy Mtn., 1 mi. NW of Regan Meadow 1433 Comment
  CAS-BOT-BC384656  Quercus berberidifolia Andrew Townesmith; Karen M. Meyer 2007-8-5 903 Tehama Mendocino National Forest, Grindstone Ranger District. Vicinity of Thomes Gorge Trailhead, off Forest Service route M4, 10.4 miles southwest of the intersection of M4 and M2 in Paskenta 654 Comment
  CHSC77580  Quercus berberidifolia Heidi West; Jenny Marr, Caroline Warren 1998-6-9 Tehama Vicinity of Red Bank Creek and Sunflower Gulch. 295 Comment
  UCD45393  Quercus chrysolepis W. L. Jepson 1929-9-30 15335 Tehama Manton, c. 2500 ft. 762 Comment
  CHSC57382  Quercus chrysolepis var. chrysolepis Richard Steward 1988-4-27 20 Tehama Ca. 30.6 mi n of Chico, ca. 150 ft e of Post Mile Marker 6.00 + 200 ft on Highway 32. 1371 Comment
  CAS-BOT-BC86621  Quercus douglasii H. M. Hall 1919-10-3 s.n. Tehama near Red Bluff Comment
  CDA19819  Quercus douglasii P. Akers 2002-5-1 s.n. Tehama Northern California; Hwy 36. 893 Comment
  JEPS46650  Quercus douglasii W. L. Jepson Sep 1929 15334 Tehama Macum 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
  CDA21919  Quercus garryana var. breweri G. D. Barbe 1975-10-24 2099 Tehama On Plum Creek Road, 4.5 miles (7.2 km) southeast of Paynes Creek (Highway 36). 0 Comment
  SFV884  Quercus garryana var. breweri R. Gankin, W. R. Hildreth 1964-7-24 s. n. Tehama North Coast Ranges Near Board Ridge, about 1 mile north of Mendocino Pass on U.S. Forest Service Road 23N02, near Mendocino-Tehama County line. 1615 Comment
  RSA96648  Quercus garryana var. breweri Percy C. Everett, E. K. Balls 1954-10-16 20322 Tehama 5 mi. s. of Government Flat along Tehama-Mendocino Co. line, to Covelo from Paskenta. 1921 Comment
  UC1135626  Quercus garryana var. semota P. L. Johannsen 1936-8-27 17677 Tehama 0.25 mi n Panther Creek and Deer Creek junction; Paynes Creek Quad. 914 Comment
  UC1584299  Quercus kelloggii J. Kierstead 1990-9-11 90 -155 Tehama 3 mi ssw Tedoc Mt.; Yolla Bolla Ranger District 1524 Comment
  CAS-BOT-BC384655  Quercus wislizeni Andrew Townesmith; Karen M. Meyer 2007-8-5 902 Tehama Mendocino National Forest, Grindstone Ranger District. Vicinity of Thomes Gorge Trailhead, off Forest Service route M4, 10.4 miles southwest of the intersection of M4 and M2 in Paskenta 654 Comment
  HSC31419  Quercus wislizeni Gary S. Lester 1974-5-5 141 Tehama Along Hwy. 36 21 mi E of Trinity Co. line Comment
  HSC8309  Quercus wislizeni L. T. Gault 1964-3-23 7 Tehama Near Mill Creek Bridge, 99E Hwy. Comment
  RSA90489  Rafinesquia californica Milo S. Baker 1953-5-10 12588 Tehama Logging road west of Paskenta, near 7 mile post. Comment
  CHSC61407  Raillardella argentea Vernon H. Oswald; Lowell Ahart 1993-8-18 5830 Tehama Lassen Volcanic National Park. Summit ridge of Mt. Conard, near the S boundary of the park. On scree N of the highest point on the ridge. 2468 Comment
  JEPS90951  Raillardella scaposa Dean Wm. Taylor with Glenn L. Clifton 1992-8-22 13205 Tehama se slope in the head of unnamed creek draining to Spencer Meadow (near the Plumas County line, Mount Conard); Sierra Nevada, Mount Conard 2392 Comment
  UC1731689  Raillardella scaposa Dean Wm. Taylor with Glenn L. Clifton 1992-8-22 13205 Tehama e slope of mt. near Plumas County line (in head of unnamed creek draining into Spencer Meadow, Reading Peak 7 1/2' USGS quadrangle); Mt. Conard 2392 Comment
  RSA40195  Raillardiopsis scabrida J. T. Howell 1943-8-8 19174 Tehama Anthony Peak Comment
  RSA31773  Ranunculus alismifolius var. hartwegii A. A. Heller 1938-5-21 15096 Tehama S of Child's Meadows. 1372 Comment
  CAS-BOT-BC380408  Ranunculus alismifolius var. hartwegii A. A. Heller 1929-5-30 14578 Tehama stiff clay soil in a meadow at Mineral 1524 Comment
  CHSC57199  Ranunculus alismifolius var. lemmonii Casey Stemler 1990-4-21 20 Tehama Deer Creek meadows; near Hwy 32, 44 mi northeast of Chico. Meadow. 1371 Comment
  CAS-BOT-BC379331  Ranunculus alismifolius var. lemmonii Philip A. Munz 1947-5-18 11850 Tehama 12 mi east of Mineral, on Hwy 36 1585 Comment
  JEPS55024  Ranunculus aquatilis var. capillaceus Joseph Grinnell 1925-7-21 Tehama Mineral; in stream 1463 Comment
  CHSC41088  Ranunculus aquatilis var. hispidulus Pauleen Broyles 1982-3-23 344 Tehama The Nature Conservancy Vina Plains Preserve. Irrigation ditch in w pasture. 62 Comment
  JEPS54968  Ranunculus californicus W. L. Jepson 1899-4-25 Tehama Stiver's Ranch Crane Creek (w Tehama Co.) Comment
  SJSU5596  Ranunculus flammula J. W. Tilden 1960-6-26 Tehama Wilson L. 1524 Comment
  CHSC102349  Ranunculus hebecarpus L. P. Janeway; B. Castro 2009-4-25 9745 Tehama Cascade Range Foothills. Tehama Wildlife Area; along the Powerline Road near the Shaw Creek Bridge over an un-named northeastern fork of Shaw Creek. 518 Comment
  CHSC67296  Ranunculus hebecarpus James D. Jokerst 1983-4-3 1703 Tehama Wurlitzer Ranch on Pine Creek 1.5 mi E of Meridian Rd., along Zimmershed Creek ca. 0.25 mi E of the powerlines ca. 50 m N of the creek. 152 Comment
  JEPS88892  Ranunculus hebecarpus Vernon H. Oswald and Lowell Ahart 1994-4-6 6082 Tehama on shoreline near E end of Morrison-Bryant Rd.; Black Butte Lake, Burris Creek Arm 144 Comment
  CHSC41090  Ranunculus muricatus Pauleen Broyles 1982-4-28 488 Tehama The Nature Conservancy Vina Plains Preserve. Along ditches. 62 Comment
  SBBG2268  Ranunculus occidentalis var. dissectus H. and M. Dearing 1938-6-22 2079 c Tehama Deer Crk above Potato Patch camp 1219 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
  UC54284  Ranunculus orthorhynchus var. orthorhynchus H. M. Hall and E. B. Babcock Jul 1 1903-Jul 2 1903 4378 Tehama near Morgan; Mount Lassen, Mill Creek Canyon 1524 Comment
  SEINET12093971  Ranunculus sceleratus Unknown 1983-1 878 Tehama 300 meters NW of barn in S pasture, T24N, R1W, SW quadrant Sect 28 62 Comment
  CHSC48831  Ranunculus uncinatus Vernon Oswald 1984-6-7 1270 Tehama Calif. Hwy 32, 1.8 mi s-w of Calif. Hwy 36. 1414 Comment
  CHSC27838  Raphanus raphanistrum Eric J. Miller 1978-4-24 8 Tehama Ca. 1 km w of Sacramento River at Woodson Bridge. 28 Comment
  CHSC66479  Raphanus raphanistrum Vernon H. Oswald; Lowell Ahart 1996-5-20 7589 Tehama Cascade Range Foothills. Hog Lake Plateau. BLM parcel along Hwy. 36 NE of Red Bluff. On the flood plain of Paynes Creek. 152 Comment
  CHSC55144  Rhamnus ilicifolia L. P. Janeway 1991-5-11 3956 Tehama Battle Creek Wildlife Area. Steep rocky north-facing slope above and south of Battle Creek; ca 1 1/2 mi east of the Sacramento River. 134 Comment
  CHSC65971  Rhamnus ilicifolia Vernon H. Oswald; Lowell Ahart 1996-4-23 7420 Tehama Cascade Range Foothills. Hog Lake Platerau. BLM parcel along Hwy. 36 NE of Red Bluff. Twigs from a shrub growing in upland along the W shore of Hog Lake. 265 Comment
  CHSC77370  Rhamnus ilicifolia L. P. Janeway; B. Castro 1999-5-11 6420 Tehama Vicinity of Rocky Ridge and Williams Butte. 286 Comment
  CHSC64987  Rhamnus tomentella subsp. crassifolia Vernon H. Oswald; Lowell Ahart 1995-7-12 7024 Tehama W of Red Bluff and S of Platina on Forest road 28N05 (E side of Tedoc Mtn.), 3.2 mi SE of Forest Route 45. Common shrub on roadside banks in open forest. 1402 Comment
  CHSC87826  Rhamnus tomentella subsp. crassifolia Lowell Ahart 2004-6-11 11030 Tehama On the south side of the Nomalaki Trail, about 1/4 mile north of Dead Rabbit Lake, about 1 3/4 miles northwest of Bowers Creek, about 2 1/2 miles northwest of Forest Road 23N69 (Mud Flat Road), about 8 miles (air) southwest of Paskenta. 382 Comment
  CHSC88569  Rhamnus tomentella subsp. crassifolia L. P. Janeway 2001-6-10 7135 Tehama High North Coast Ranges. At Tedoc Gap. 1372 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
  RSA748475  Rhamnus tomentella subsp. crassifolia K. M. Meyer, A. Townesmith 2007-8-4 193 Tehama Mendocino National Forest. 36 mi. on county highway A9, west of Corning, A9 turning into Round Valley Road, Forest Service Rd. M4, Thomes Gorge Trailhead (10 mi. after the town of Paskenta). 617 Comment
  RSA96853  Rhamnus tomentella subsp. crassifolia Percy 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
  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
  UCSB63932  Rhus aromatica Oswald, Vernon; Ahart, Lowell 1996-5-6 Tehama BLM parcel along Hwy. 36 NE of Red Bluff in Tehama Co.; T28N R3W NW1/4 Sw1/4 Sect.13; Cascade Range Foothills; along the bank of Payness Creek at this location 124 Comment
  CHSC118208  Rhus aromatica Tim Kask 2016-4-7 252 Tehama Antelope Creek, from Fischer CG. UTM 10T 0597775/4456103. 473 Comment
  UC1096801  Ribes binominatum Milo S. Baker 1957-1-15 13106 Tehama Postpile Camp North Coast Ranges, Mendocino Nat. Forest 1828 Comment
  HSC20316  Ribes lobbii Louise Kellogg 1952-7-10 15 Tehama Near Squaw Camp and Pole Corral on Boswell Ridge S of Yolla Bolly Mtn. 2134 Comment
  HSC95671  Ribes lobbii Vernon H. Oswald, L. Ahart 1997-7-7 8667 Tehama Near NE corner of Yolla Bolly Wilderness on FS Rd. 27N06, 0.5 mi. N of Tomhead Saddle. 1677 Comment
  UC1299688  Ribes lobbii Freed W. Hoffman 1947-6-23 1599 Tehama near Government Flat 796 Comment
  RSA0021140  Ribes lobbii G. D. Barbe 1955-7-22 237 Tehama Approx. 500 ft. from the Jeep road, west of Oven Lid, on the trail to Square Lake. 2073 Comment
  CHSC77057  Ribes malvaceum Vernon H. Oswald 2000-2-3 9843 Tehama Inner North Coast Ranges. Log Springs Road (M4) 1.8 mi west of Salt Creek Conservation Camp, 0.1 mi uphill from Wilder Pond. In brush at roadside. 571 Comment
  CHSC57014  Ribes nevadense Steven Triano 1988-4-17 81 Tehama Mixed evergreen forest between Hwy. 32 and Big Chico Creek ca 15.6 mi n of Forest Ranch. 1048 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
  CHSC43629  Rigiopappus leptocladus Vernon Oswald 1986-6-18 2128 Tehama Round Valley Rd. (M4) at the intersection of Board Ridge Rd. 1584 Comment
  CHSC96519  Rigiopappus leptocladus Lowell Ahart; John Dittes, Andrea Craig 2007-5-13 13828 Tehama Along a poor dirt road, about 100 yards north of Manton Road, about 3.9 miles east northeast of the intersection of Manton Road and Wildcat Road, about 2 miles (air) southwest of Manton. 256 Comment
  JEPS105904  Rigiopappus leptocladus Lowell Ahart, John Dittes, Josephine Guardino 2004-4-15 10743 Tehama Along the Nomalaki Trail, the second switchback north of Bowers Creek, about 3/4 mile northwest of Forest Road 23N69 (Mud Flat Road), about 6 1/2 miles (air) southwest of Paskenta 522 Comment
  JEPS34907  Rigiopappus leptocladus W. L. Jepson 1934-5-5 16635 Tehama Beegum Beegum (w Tehama County) Comment
  JEPS97236  Rigiopappus leptocladus Vernon H. Oswald and L. Ahart 1995-4-17 6669 Tehama T29N R2W SE1/4 NW1/4 Sec. 26, 700 ft, Cascade Range Foothills, Valley and Foothills Grassland, Stony Tuscan Loam over hardpan. Dales Lake Reserve on the W side of Manton Rd. (A6) ca. 1.5 mi n of Dales Station on Hwy. 36, ca. 14 mi ne of Red Bluff 213 Comment
  CAS-BOT-BC74725  Rorippa curvisiliqua P. A. Munz 1951-7-25 16886 Tehama South Yolla Bolly Mountains. 1/3 mile east of Square Lake. 2133 Comment
  CHSC115790  Rorippa curvisiliqua var. orientalis Lowell Ahart; John Dittes 2015-8-5 20457 Tehama Poor logging road east side of Childs Meadow, 150 yards west of Highway 36, 0.69 air-miles northwest of intersection of State Highway 36 and Wilson Lake Road (County Road 769), 1.2 air-miles east of Doe Mt., 9.77 air-miles south of Lassen Peak. 1498 Comment
  CHSC77787  Rosa californica B. Castro; L. P. Janeway 1999-6-14 982 Tehama About 21 air miles W of Red Bluff, vicinity of S. Fork Cottonwood Creek. 310 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
  JEPS102640  Rosa pisocarpa subsp. ahartii Lowell Ahart 2001-8-28 9181 Tehama Along a small dry stream, on the east side of Highway 32 and SE of the intersection with road 390 - G of Sierra Pacific Industries, about 4 miles by road south of bridge across Deer Creek. 1219 Comment
  UC1862487  Rosa pisocarpa subsp. ahartii Barbara Ertter with James R. Shevock 1992-6-14 11170 Tehama Judd Creek on Ponderosa Way 0.5 miles south of Plum Creek Road, ca 7 airmiles ESE of Paynes Creek (town) 914 Comment
  RSA93465  Rostraria cristata Milo S. Baker, H. K. Wagnon 1953-5-31 12711 Tehama Logging road west of Paskenta near 5 mi. post. Comment
  SEINET10937559  Rumex acetosella David B. Dunn 1971-8-15 Dunn 18170 Tehama 1 1/2 mi W of Lassen Park headquarters. Yellow pine forest. Comment
  CDA23178  Rumex kerneri G. D. Barbe, T. C. Fuller, J. T. Howell 1980-5-21 2789 Tehama Both sides Interstate 5; north of Sacramento River, 1 km north of Diamond Avenue exit on south-bound lanes, Red Bluff. Comment
  JEPS115397  Rumex maritimus Lowell Ahart, John Dittes, Josephine Guardino 2009-8-27 16324 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
  CHSC45868  Rumex salicifolius Lowell Ahart 1978-5-23 1739 Tehama On the rocky bottom of a small wash, near the edge of Foothill Road, east of Red Bluff. 70 Comment
  CHSC77782  Rumex salicifolius var. denticulatus B. Castro; H. West 1999-6-1 942 Tehama About 22 air miles W of Orland, vicinity of Newville and Salt Creek. On gravel bar. 198 Comment
  JEPS100890  Rupertia hallii Dean W. Taylor 1997-6-6 16028 Tehama Campbell Ridge; along road from Campbellville to Baccalla Cabin; on north-side of ridge in Sulphur Creek drainage, about 50 ft below rim 990 Comment
  CHSC26715  Sagina apetala M. Hayes 1978-4-8 154 Tehama Around Leininger road vernal pools, approx. .8 mi ne of Hwy 99E on Leininger road. 40 Comment
  JEPS103307  Sagina apetala Lowell Ahart 2002-4-27 9550 Tehama About 10 yards NW of the cattle guard, NW of where the road is wide and one can park, on the W side of the dirt road that leads to the tower, E of Road M2, ca 8 miles W of Paskenta. 609 Comment
  CHSC115581  Sagina procumbens Lowell Ahart; John Dittes 2015-8-6 20491 Tehama On the sides of the small drainage from the spring, south of the camping are, west side of Childs Meadow, 0.67 air-miles northwest of intersection of State Highway 36 and Wilson Lake Road (County Road 769), 1.21 air-miles east of Doe Mt., 10.41 air-miles south of Lassen Peak. 1498 Comment
  UC1019904  Sagina saginoides Milo S. Baker and H. K. Wagnon 1964-7-11 12964 Tehama 6.1 mi. above Whitlock Camp (near county rd.); w. Tehama Co. 1828 Comment
  UC1607504  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
  CAS-BOT-BC103358  Salix bonplandiana L. E. Smith 1914-3-18 585 Tehama [Reed] Reeds Cr. Red Bluff Comment
  CAS-BOT-BC103363  Salix bonplandiana C. R. Ball; Emily Smith; Mrs. H. P. Bracelin 1932-7-23 651 Tehama Red Bluff Comment
  CAS-BOT-BC103364  Salix bonplandiana Elmer I. Applegate 1932-4-13 7043 Tehama Between Rosewood and Begum Comment
  CAS-BOT-BC103365  Salix bonplandiana L. E. Smith 1914-5-8 667 Tehama Red Bluff Comment
  RSA67237  Salix eastwoodiae Philip A. Munz 1951-7-27 16957 Tehama S base of S Yolla Bolly Peak. 2104 Comment
  CHSC105222  Salix exigua Lowell Ahart; John Dittes 2010-7-19 16891 Tehama About 20 yards north of the poor road crossing, on the bottom of the South Fork of Battle Creek, about 3.3 miles (air) southwest of Manton, about 4.2 miles (air) north of Highway 36 and Lane Valley Road intersection. 432 Comment
  JEPS117344  Salix exigua Lowell Ahart, John Dittes 2010-7-19 16891 Tehama About 20 yards north of the poor road crossing, on the bottom of the South Fork of Battle Creek, about 3.3 miles (air) southwest of Manton, about 4.2 miles (air) north of Highway 36 and Lane Valley Road intersection 432 Comment
  SBBG128033  Salix exigua L. Ahart, J. Dittes 2010-7-19 16891 Tehama gravel bar, ca. 20 yards N of the poor rd crossing, on the bottom of the S Fork of Battle Crk, ca. 3.3 mi SW of Manton, ca. 4.2 mi N of Hwy 36 and Lane Valley Rd intersection 432 Comment
  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
  CHSC87209  Salix gooddingii Lowell Ahart 2004-4-10 10739 Tehama Along Bowers Creek, about 30 yards west of the Nomalaki Trail, about 3/4 mile northwest of Forest Road 23N69 (Mud Flat Road), about 6 1/2 miles (air) southwest of Paskenta. 522 Comment
  JEPS38401  Salix laevigata W. L. Jepson 1899-4-27 18 s-A Tehama Salt Creek Comment
  UC525961  Salix laevigata C. R. Ball, Emily Smith, and Mrs. H. P. Bracelin 1932-7-23 651 Tehama Red Bluff Comment
  CAS-BOT-BC129527  Salix lasiandra var. lasiandra A. A. Heller 1928-5-30 14581 Tehama Mineral 1524 Comment
  CHSC75405  Salix lasiolepis Ben Myhre 1997-4-14 11 Tehama Dye Creek Preserve, 8 miles north of Los Molinos. About 1/4 mile west of the mouth of Dye Creek Canyon. 106 Comment
  CHSC87013  Salix lasiolepis Jenny Marr; Heidi West 1998-10-13 Tehama Vicinity of South Fork Cottonwood Creek and Dipping Vat Flat. Along the creek. 304 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-BC128322  Salix lasiolepis var. lasiolepis P. A. Munz 1951-7-27 16957 Tehama South base of South Yolla Bolly Pk. 2103 Comment
  CAS-BOT-BC124911  Salix lemmonii C. R. Ball; Emily Smith; Mrs. H. P. Bracelin 1932-7-23 680 Tehama Mt. Lassen Highway, 8 miles northeast of Mineral 2042 Comment
  CAS-BOT-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-BC124936  Salix lemmonii C. R. Ball; Mrs. H. P. Bracelin; Beryl Kautz 1931-5-30 400 Tehama South Fork of Battle Creek, 2 km. east of Mineral 1500 Comment
  JEPS123953  Salix lemmonii Lowell Ahart, John Dittes, Josephine Guardino, Steve Green 2015-7-31 20409 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
  POM209474  Salix lemmonii Carleton R. Ball, Emily Smith, H. P. Bracelin 1932-7-24 677 Tehama Mt Lassen Hwy. 8.9 miles from Mineral. Lassen Volcanic National Park. 2012 Comment
  POM219003  Salix lemmonii Carleton R. Ball, H. P. Bracelin, Beryl Kautz 1931-5-30 377 Tehama S Fork of Battle Creek. 1.7 km W of Mineral 1500 Comment
  SBBG29058  Salix lemmonii C. R. Ball, Mrs. H. P. Bracelin, B. Kautz 1931-5-30 374 Tehama S fork of Battle Crk, 1.7 km W of Mineral 1500 Comment
  SBBG54688  Salix lemmonii C. R. Ball, E. Smith, Mrs. H. P. Bracelin 1932-7-23 681 Tehama Mt Lassen Hwy, 8 mi NE of Mineral 2042 Comment
  UCD111698  Salix lemmonii C. R. Ball; Mrs. H. P. Bracelin, and Beryl Kautz 1931-5-30 379 Tehama South Fork of Battle Creek, 1.7 km. northeast of Mineral, on the Mount Lassen Highway. 1570 Comment
  CAS-BOT-BC124942  Salix lemmonii John Thomas Howell 1960-8-20 36233 Tehama Morgan 1463 Comment
  CAS-BOT-BC125070  Salix ligulifolia C. R. Ball; Mrs. H. P. Bracelin; Beryl Kautz 1931-5-30 379 Tehama South Fork of Battle Creek, 1.7 km. northeast of Mineral, on the Mount Lassen Highway 1570 Comment
  POM219083  Salix lucida subsp. lasiandra Carleton R. Ball, H. P. Bracelin, Beryl Kautz 1931-5-30 s.n. Tehama S Fork of Battle Creek. 1.7 km W of Mineral 1500 Comment
  JEPS104450  Salix melanopsis Lowell Ahart 2003-6-11 10261 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
  JEPS117343  Salix melanopsis Lowell Ahart, John Dittes 2010-7-19 16892 Tehama About 20 yards north of the poor road crossing, on the bottom of the South Fork of Battle Creek, about 3.3 miles (air) southwest of Manton, about 4.2 miles (air) north of Highway 36 and Lane Valley Road intersection 432 Comment
  SBBG128239  Salix melanopsis L. Ahart 2010-7-19 16893 Tehama ca. 20 yards N of the poor rd crossing, on the bottom of the S Fork of Battle Crk, ca. 3.3 mi (air) SW of Manton, ca. 4.2 mi (air) N of Hwy 36 and Lane Valley Rd intersection 432 Comment
  UC437367  Salix melanopsis W. P. Taylor 1912-6-11 Tehama 2 mi. n.e. Tehama (Mill Creek); Mill Creek Comment
  SJSU158  Salix scouleriana C. R. Ball, Emily Smith, Mrs. H. P. Bracelin 1932-7-23 671 Tehama Mt Lassen Hwy 7.9 mi NE of Mineral 1981 Comment
  UCD99418  Salsola tragus John Thomas Howell 1960-7-24 36001 Tehama Paynes Creek. 563 Comment
  CHSC26224  Salvia columbariae T. R. Crumbo 1977-4-5 7 Tehama 100 ft. from n side of road, 33 mi w of Redbluff on Hwy 36. 396 Comment
  HSC90411  Salvia sonomensis C. Wilson, P. Kittleson, M. Hardig 1992-3-28 25 Tehama Hwy. 36, 4.7 mi. E of junction with Tedoc Gap Rd. 610 Comment
  CAS-BOT-BC235047  Sambucus H. F. Copeland 1920-7-17 111 Tehama On Butt Mt 1828 Comment
  CHSC66190  Sambucus mexicana Vernon H. Oswald; Lowell Ahart 1996-6-3 7728 Tehama Hog Lake Plateau. Cascade Range Foothills. BLM parcel along Hwy. 36 NE of Red Bluff. Ca. 0.2 mi SE of the old bridge site on Paynes Creek. 121 Comment
  JEPS96100  Sambucus mexicana Vernon H. Oswald and Lowell Ahart 1996-6-3 7728 Tehama BLM parcel along Hwy 36 ne Red Bluff (0.2 mi se of the old bridge site on Payne Creek); Cascade Range Foothills, Hog Lake Plateau 121 Comment
  UC912450  Sambucus racemosa var. microbotrys D. Tebbe 1930-4-5 85 Tehama e Red Bluff Comment
  HSC1812  Sanicula bipinnata Larry Berti 1969-3-19 29 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
  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
  JEPS238  Sanicula bipinnatifida Virginia Bailey 1938-4-16 Tehama 6 mi w Paskenta (on Paskenta-Covelo road) Comment
  UC566894  Sanicula bipinnatifida Dorothy Tebbe 1930-4-5 86 Tehama e of Red Bluff Comment
  HSC86922  Sanicula bipinnatifida Anthony J. Desch, Bryon Cariss 1988-3-26 17 Tehama 17.5 mi. E of Tehama/Shasta Co. line on Hwy. 36 Comment
  HSC89667  Sanicula bipinnatifida A. Smith, A. Eller & B. Hoffman 1989-3-31 5 Tehama On Tedoc Rd. (FS 45) near intersection with Hwy. 36, about 1.5 mi. E of boundary with Shasta Co. 549 Comment
  CHSC88549  Sanicula crassicaulis Jenny Marr; Caroline Warren 1999-4-28 Tehama Vicinity of Red Bank Creek, Sunflower Gulch, and Dry Creek. 289 Comment
  UC195450  Sanicula crassicaulis A. A. Heller 1914-4-29 11332 Tehama 8 mi s of Vina (along Pine Creek); Pine Creek Comment
  UC600421  Sanicula graveolens H. F. Copeland 1920-7-24 Tehama Rattlesnake Creek Comment
  UC923149  Sanicula graveolens Freed W. Hoffman 1950-7-6 3264 Tehama about 1 mi ne of White Rock Guard Station (near Trinity-Tehama County boundary) Comment
  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
  UC923172  Sanicula graveolens Freed W. Hoffman 1950-7-5 3261 Tehama Trail to Yolla Bolly Summit (North Yolla Bolly) from White Rock Guard Station, near Trinity-Tehama County boundary Yolla Bolly Summit 1828 Comment
  CHSC102246  Sanicula tuberosa L. P. Janeway; B. Castro 2009-4-25 9739 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
  HSC21642  Sanicula tuberosa John Heywood, D. H. Norris 1968-3-31 1911 Tehama Hwy. 36, 17 mi. E of Shasta County line Comment
  CHSC84998  Sarcodes sanguinea Lowell Ahart 2003-10-13 10630 Tehama On the east side of Willow Creek, about 1/2 mile northeast of Colby Mountain Lookout Road where it crosses Willow Creek, about 1 1/2 miles (air) southwest of Humboldt Summit. 1693 Comment
  UC1543721  Sarcodes sanguinea Harold and Virginia Bailey 1948-8-28 3057 Tehama near Sulphur Creek campground (Lassen Volcanic Nat'l Park); Lassen Volcanic Nat'l Park 2011 Comment
  CAS-BOT-BC466233  Sarcodes sanguinea D. E. Breedlove 1962-6-12 3425 Tehama Along road from Viola to Mineral, 9.5 miles S of Viola 1524 Comment
  CHSC117582  Sceptridium multifidum Lowell Ahart; John Dittes, Josephine Guardino 2016-9-21 21364 Tehama Wet area on the west side of Highway 89, about 50 yards south of Bluff Falls, about 1 mile south of Lassen Volcanic National Park, about 2 1/2 miles (air) north of Morgan Mountain. 1963 Comment
  RSA500433  Schoenoplectus subterminalis Vernon H. Oswald 1989-05 4023 Tehama Wilson Lake, 9 airmiles E of Mineral. 1605 Comment
  CHSC102648  Scirpus diffusus Lowell Ahart; John Dittes, Josephine Guardino 2009-8-27 16337 Tehama Along and 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
  CHSC60452  Scirpus diffusus Mary Ann Showers 1992-6-26 2575 Tehama Lassen Volcanic National Park. Above canyon bottom east of Sulphur Works Entrance Station above West Sulphur Creek. 1950 Comment
  UC149679  Scirpus diffusus H. M. Hall and E. B. Babcock July 1-2, 1903 4382 Tehama near Morgan (Mill Creek Canyon, Mount Lassen); Mount Lassen, near Morgan (Mill Creek Canyon) 1524 Comment
  CHSC115584  Scirpus microcarpus Lowell Ahart; John Dittes 2015-8-6 20508 Tehama Along the sides of the small stream, about 100 yards east of the spring, east of the camping area, west side of Childs Meadow, 0.67 air-miles west of intersection of State Highway 36 and Wilson Lake Road (County Road 769), 1.21 air-miles southeast east of Doe Mt., 10.41 air-miles south of Lassen Peak. 1498 Comment
  CHSC79012  Scleranthus annuus subsp. annuus J. Marr; C. Warren 1998-4-15 Tehama West of Orland, vicinity of Newville, Round Valley/Garland Rd, and Mendocino NF land. 289 Comment
  CHSC54028  Scribneria bolanderi Vernon H. Oswald; Lowell Ahart 1991-5-9 4553 .1 Tehama Paynes Creek Recreation Area located ca. 1.5 mi northeast of the Bend Bridge over the Sacramento River, ca. 6.5 miles north-northeast of Red Bluff. On the north side of the pond ca. 0.6 mi east-southeast of the entrance kiosk. 112 Comment
  UC769881  Scribneria bolanderi R. F. Hoover 1937-5-19 2293 Tehama Coyote Creek Bridge s of Red Bluff; Coyote Creek Bridge Comment
  RSA93509  Scrophularia californica Milo S. Baker, H. K. Wagnon 1953-5-31 12722 Tehama Logging road west of Paskenta near 5 mile post. Comment
  CHSC65979  Scrophularia californica subsp. floribunda Vernon H. Oswald; Lowell Ahart 1996-4-23 7415 Tehama Cascade Range Foothills. Hog Lake Plateau. BLM parcel along Hwy. 36 NE of Red Bluff. Along the W shore of Hog Lake. 266 Comment
  RSA760872  Scutellaria antirrhinoides Jim R. Shevock, David Isle 1985-6-22 11271 Tehama Mendocino National Forest. Along forest road 23N60 between Anthony Peak and Wells Cabin Meadow 1900 Comment
  UC1025111  Scutellaria antirrhinoides Douglas Barbe 1955-7-16 177 Tehama on the e ridge leading to the summit of South Yolla Bolly ((Mount Linn)); South Yolla Bolly (Mount Linn) 2286 Comment
  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
  CHSC86571  Scutellaria californica L. P. Janeway 2003-6-14 7842 Tehama High Cascade Range. Along Cohasset Road 3.2 road km north-east of Deer Creek crossing. At small drainage. 732 Comment
  CHSC78853  Scutellaria siphocampyloides Julie Cunningham; Heidi West, Caroline Warren 1998-7-7 Tehama Vicinity of Bell Road and Jackass Canyon. 313 Comment
  CHSC57367  Sedella pumila S. R. Mitchelson 1987-4-16 15 Tehama Ca 75 m se of Hog Lake, Hwy 36, 16.5 km ne of Red Bluff, 3.2 km nw of Tuscan Buttes, 5.6 km s of Dales. 262 Comment
  CHSC88815  Sedella pumila Pat Sater 2001-3-8 Tehama Tehama Wildlife Area. 500 yds. northwest of Dewitt Peak on the jeeptrail to Sect. 33. UTM: 10 0588870 E, 4445863 N. 533 Comment
  CHSC88854  Sedella pumila A. Peterson 2003-4-19 43 Tehama Sacramento River Bend Area (BLM) off Jellys Ferry Rd, about 7 mile NNE of Red Bluff. Yana Trail--Perry Riffle trailhead. UTM: between 570200E, 4460600N and 527300E, 4461300N. Comment
  OBI76943  Sedella pumila Anthony Baniaga 2011-6-12 343 Tehama CDFG: Tehama State Wildlife Area. Roadside area along Plum crk rd (202) quad T28N R1E 684 Comment
  CAS-BOT-BC417759  Sedella pumila E. L. Dietz, Jr. 1969-4-30 s.n. Tehama Hwy 99E, E of Vina Comment
  HSC6469  Sedella pumila J. J. Wagoner 1965-4-30 18 Tehama 4 mi. E of Dales along Hwy. 36 457 Comment
  SFV18537  Sedella pumila M. Oliver 2002-4-6 51 Tehama Near Hogg Lake. 300 Comment
  CHSC90907  Sedum obtusatum Niall McCarten; Roxanne Bittman 1986-6-15 5462 Tehama Mendocino National Forest; North Coast Ranges; Thomes Creek Watershed. 'Ovenlid,' S side Rd. 25N29. 2011 Comment
  JEPS121411  Sedum spathulifolium Peter F. Zika and Julie Nelson 2011-7-5 25521 Tehama 0.6 air miles NNW of summit of Tedoc Mountain, 29N45 road Comment
  CHSC64334  Selaginella hansenii Vernon H. Oswald; Lowell Ahart 1995-2-22 6484 Tehama Cascade Range Foothills. Dales Lake Ecological Reserve. W side of Manton Rd. (A6) ca. 1 mi n of Dales Station on Hwy. 36, ca. 14 mi ne of Red Bluff. 225 Comment
  JEPS118100  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
  JEPS127254  Selaginella hansenii Lowell Ahart, John Dittes, Josephine Guardino 2016-2-11 20695 Tehama About 100 yards northwest of the fish ladder, about 2 miles by trail to Highway 32. Comment
  HSC78631  Selaginella hansenii L. P. Janeway 1984-9-18 1160 Tehama Above Mill Creek, near Black Rock 793 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
  RSA93459  Selaginella wallacei Milo S. Baker 1953-5-31 12704 B Tehama Logging road, 5 mi W of Paskenta. Comment
  CHSC105989  Senecio aronicoides B. Castro; L. P. Janeway 2000-4-22 1098 Tehama High Cascade range. Along Ponderosa Way near top of Middle Ridge, N of and overlooking South Fork Antelope Creek and Black Butte. Along edge of old jeep road. 315 Comment
  JEPS89341  Senecio flaccidus var. douglasii Dean Wm. Taylor with James Shevock, Barbara Ertter 1992-9-19 13248 Tehama Toomes Camp Rd. ca. 5.3 mi. w. Paskenta; N. Coast Ranges 518 Comment
  CAS-BOT-BC205680  Senecio integerrimus var. exaltatus James R. Shevock 1985-6-22 11243 Tehama Northern Coast Ranges. Mendocino National Forest. Along forest road M-2 at Government Flat Campground 1752 Comment
  CDA2427  Setaria pumila T. C. Fuller 1962-8-6 9335 Tehama North side of Hwy 99E to Los Molinos, 2.0 miles east of Red Bluff. 0 Comment
  JEPS117639  Setaria pumila Lowell Ahart, John Dittes 2010-10-4 17289 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
  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
  CHSC86820  Sidalcea calycosa subsp. calycosa Jenny Marr; Heidi West, Caroline Warren, Natalie Wight 1998-6-2 Tehama Vicinity of Salt Creek, Newville Road, and Newville. 228 Comment
  CHSC41008  Sidalcea diploscypha Pauleen Broyles 1982-5-6 929 Tehama The Conservancy Vina Plains Preserve. Ca .5 km s of Lassen Road in central pasture. 66 Comment
  CHSC78859  Sidalcea diploscypha Julie Cunningham; Heidi West, Natalie Wight 1998-6-25 Tehama Vicinity of South Fork Cottonwood Creek, Dippingvat Flat, and Cooks Flat. 335 Comment
  HSC86483  Sidalcea diploscypha J. Hunter 1988-4-24 72 Tehama Vina Plains Preserve, 30 m S Lassin Rd., 3 km E Hwy. 99, NE corner Safe pasture Comment
  JEPS94341  Sidalcea hartwegii Vernon H. Oswald and Lowell Ahart 1997-5-14 8426 Tehama 0.4 mi nw of the Middle Fork Antelope Creek (5.7 mi se of Plum Creek Road, between Paynes Creek and Cohasset on Ponderosa Way (Forest Road 28N29)); Ponderosa Way 981 Comment
  JEPS97958  Sidalcea hartwegii K. Andreasen 1998-6-28 274 Tehama N side of Black Butte Lake (Buckhorn camping area, along Buckhorn Interpretive trail, after second bridge) Comment
  RSA0027704  Sidalcea hartwegii Barbara Ertter, Brad Olson 1993-5-15 11720 Tehama Buckhorn Campground at north end of Black Butte Reservoir NW of Orland. 152 Comment
  CHSC66030  Sidalcea hirsuta Vernon H. Oswald 1996-5-13 7553 Tehama Thomas Creek Ecological Reserve. CDFG parcel on the S side of Gyle Rd. NW of Corning. Northwest side of Sacramento Valley. Localized population along the first drainage S of the creek and ca. 0.1 mi E of the W. boundary. 105 Comment
  JEPS50090  Sidalcea hirsuta S. A. Long 1938-5-16 Tehama low spots along the road between Red Bluff and Henleyville (about 10 mi ssw of Red Bluff); sw of Red Bluff Comment
  UCR11244  Sidalcea malviflora Wm. Horn Jr. 1967-5-28 670528- 2 Tehama Sacramento Valley/North Coast Range, Highway 36, 20 miles west of Red Bluff 244 Comment
  JEPS94225  Sidalcea malviflora subsp. asprella Vernon Oswald and Lowell Ahart 1998-5-14 9044 Tehama 0.9 mi w of Bowman Road (Highway 36 between Red Bluff and Platina); Highway 36 201 Comment
  SD211633  Sidalcea malviflora subsp. laciniata Barbara Ertter 1991-5-18 9827 Tehama Rosewood Ranch on Salt Creek circa 17 airmiles WNW of Red Bluff, circa 1/2 mile South of Highway 36 along creek; strip of scattered trees along fence between pastures 213 Comment
  JEPS67271  Sidalcea oregana subsp. spicata Jos. Grinnell 1925-7-21 Tehama Mineral 1463 Comment
  CHSC92793  Silene antirrhina John Dittes; Josephine Guardino 2005-5-11 1114 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
  HSC81961  Silene campanulata subsp. glandulosa Thomas W. Nelson, Jane P. Nelson 1979-6-25 4889 Tehama Along road to Mt. Tedoc From Tedoc Gap 1494 Comment
  UCD98601  Silene douglasii var. douglasii John Thomas Howell 1960-8-19 36138 Tehama Lassen Volcanic National Park; Brokeoff Mountain Trail. 2438 Comment
  UCD98618  Silene douglasii var. douglasii Dean W. Taylor 1976-7-9 6043 Tehama At headwaters of Cub Creek. 1859 Comment
  CHSC101576  Silene gallica David Isle 1989-4-20 1618 Tehama Red Bluff Diversion Dam area; east of Sacramento River diversion. Comment
  CHSC66110  Silene gallica Vernon H. Oswald; Lowell Ahart 1996-4-29 7482 Tehama Thomes Creek Ecological Reserve. Northwest side of Sacramento Valley. CDFG parcel on the S side of Gyle Rd. NW of Corning. Near the farm pond located on the S boundary. 106 Comment
  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
  CHSC96659  Silene gallica Lowell Ahart 2007-5-8 13762 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
  CHSC64967  Silene laciniata subsp. californica Vernon H. Oswald; Lowell Ahart 1995-7-12 6998 Tehama Inner North Coast Ranges. W of Red Bluff and S of Platina on Forest Route 45 (Tedoc Mtn. Rd.), 3.2 mi S of Hwy. 36. On a roadside bank. 950 Comment
  CAS-BOT-BC389280  Silene lemmonii Alice Eastwood; John Thomas Howell 1941-7-9 9716 Tehama Log Spring Ridge between Log Spring and Government Flat Comment
  CAS-BOT-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
  JEPS51036  Silene occidentalis Joseph Grinnell Tehama Mineral 1463 Comment
  CHSC64698  Silybum marianum Vernon H. Oswald 1995-5-28 6791 Tehama Cascade Range Foothills. Dales Lake Ecological Reserve. W side of Manton Rd. (A6) ca. 2 mi n of Hwy. 36 at Dales Station, ca. 14 mi ne of Red Bluff. On the w edge of the old highway on the s side of the basalt ridge crossing the ne corner of the reserve. 225 Comment
  CHSC115232  Solanum rostratum B. Castro; R. Carter, B. Humphrey, A Groom 2015-4-29 2042 Tehama Sacramento Valley. N side of Elder Creek channel, ca 1.26 air mi NW of its confluence with the Sacramento River and 0.9 air me E of the San Benito Ave. bridge over Elder Ck at the town of Gerber. 67 Comment
  CHSC65926  Soliva sessilis Vernon H. Oswald; Lowell Ahart 1996-4-15 7374 Tehama Northwest side of Sacramento Valley. Thomes Creek Ecological Reserve. CDFG parcel on the S side of Gyle Rd., NW of Corning. Along the pipeline ca. 0.1 mi N of the S boundary. 102 Comment
  CHSC84298  Sonchus asper subsp. asper Lowell Ahart; John Dittes 2003-6-11 10237 Tehama On the west edges 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
  CHSC88533  Sonchus asper subsp. asper Jenny Marr; Beth Hendrickson 1999-5-28 Tehama Vicinity of Long Hollow, Grizzly Creek, and Bluedoor Flat. 289 Comment
  UCD92790  Sorghum bicolor Chas. H. Mills. 1965-12-1 s.n. Tehama Tehama County. Comment
  CHSC4411  Sorghum halepense 1966-5-14 Tehama Along roadside about 2 mi ne of Corning. Comment
  CHSC64932  Sorghum halepense Vernon H. Oswald; Lowell Ahart 1995-6-13 6871 Tehama Cascade Range Foothills. Dales Lake Ecological Reserve. W side of Manton Rd. (A6) ca. 1.0 mi n of Hwy. 36 at Dales Station, ca. 14 mi ne of Red Bluff. Along the edge of Manton Rd. (collected ca. 0.2 mi s of Inks Creek Rd.). 207 Comment
  JEPS104328  Spartium junceum Lowell Ahart 2003-6-11 10242 Tehama On the w side of Battle Creek, ca 1 mi n of Manton Rd, ca 1 1/2 mi (air) ne of the Colman Power House, ca 5 mi (air) wsw of Darah Springs State Fish Hatchery, ca 10 mi (air) ene of Cottonwood. 153 Comment
  JEPS117339  Spartium junceum Lowell Ahart, John Dittes 2010-7-19 16895 Tehama About 10 yards north of the poor road crossing, on the bottom of the South Fork of Battle Creek, about 3.3 miles (air) southwest of Manton, about 4.2 miles (air) north of Highway 36 and Lane Valley Road intersection 432 Comment
  CHSC40720  Spergularia rubra Pauleen Broyles 1982-6-2 692 Tehama The Nature Conservancy Vina Plains Preserve. S of barn. 60 Comment
  CAS-BOT-BC390683  Spergularia rubra John Thomas Howell 1960-8-18 36106 Tehama Lassen Volcanic National Park. Sulphur Works Entrance Station 2011 Comment
  RSA0098099  Spergularia rubra Douglas Barbe 1955-7-17 213 Tehama At Cold Spring Camp. 1890 Comment
  CHSC84358  Sphenosciadium capitellatum Lowell Ahart 2003-8-24 10539 Tehama In a meadow, on both sides of Willow Creek, about 1/2 mile (air) north of Jonesville, about 5 miles (air) northeast of Butte Meadows. 1569 Comment
  CHSC115586  Spiraea douglasii Lowell Ahart; John Dittes 2015-8-6 20495 Tehama Northeast of the pond, 10 yards 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 east of Doe Mt.,10.41air-miles south of Lassen Peak. 1498 Comment
  JEPS123923  Spiraea douglasii Lowell Ahart, John Dittes 2015-8-6 20495 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
  UCR130065  Spiraea douglasii George K. Helmkamp, E. A. Helmkamp 2001-7-7 6907 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
  CHSC77402  Spiranthes porrifolia L. P. Janeway; B. Castro 1999-6-24 6480 Tehama Along the south edge of South Fork Cottonwood Creek. 335 Comment
  CDA32686  Sporobolus cryptandrus S. T. Ancell 1963-6-2 Tehama Hwy 36 to Dales, ca. 10 miles northeast of Red Bluff 0 Comment
  UCD126450  Sporobolus indicus Borror PDR 2000-8-15 123155 -9 Tehama along Tehama Ave., Gerber. Comment
  HSC82433  Stachys ajugoides Thomas W. Nelson, Jane P. Nelson, R. J. Cole 1979-7-27 5061 Tehama Along old logging rd. W side of USFS Rd. at Pole Corral Gap 1311 Comment
  CHSC68954  Stachys ajugoides var. rigida Vernon Oswald; Lowell Ahart 1997-7-7 8686 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
  JEPS104202  Stachys ajugoides var. rigida Lowell Ahart 2003-8-23 10531 Tehama Meadow edge, ca 80 yd e of Square Lake, ca 3/4 mi ne of Mount Linn, South Yolla Bolly. 2112 Comment
  RSA755201  Stachys ajugoides var. rigida L. Ahart, John Dittes, Josephine Guardino 2009-8-27 16316 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
  UCR123340  Stachys rigida var. rigida George K. Helmkamp, Elizabeth Helmkamp 2001-7-7 6897 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
  JEPS101605  Stachys stricta Dean W. Taylor 1997-7-9 16119 Tehama Hammer Place, South Fork Cottonwood Creek; Yolla Bolly Mtns 563 Comment