Search Results — 2000 specimen records retrieved (1499 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  HSC65545  Acer negundo var. californicum Thomas Wood 1979-8-8 204 Modoc 1 mi. S of Ft. Bidwell, along Hwy. 1, corner house where road turns W 1372 Comment
  CAS-BOT-BC15632  Achillea millefolium John Thomas Howell 1934-6-11 11932 Modoc Parker Creek. 1584 Comment
  CAS-BOT-BC15675  Achillea millefolium Bruce Bartholomew 1990-6-18 5363 Modoc S side of Goose Lake, ca. 5 km SSE of McGinty Point. 1400 Comment
  CAS-BOT-BC242276  Achnatherum lemmonii Clare Butterworth Hardham 1961-6-18 7552 Modoc E side of Cedar Pass. 1828 Comment
  POM260441  Achnatherum lemmonii var. lemmonii C. L. Hitchcock 1940-5-28 6724 Modoc near Surprise, ca. 15 miles north of Alturas 1402 Comment
  CAS-BOT-BC242321  Achnatherum lettermanii Bruce Bartholomew; Barrett Anderson 1990-7-21 5577 Modoc Homestead Flat, ca. 2.5 km E of Patterson Ranger Station, E side of Warner Mts. 2160 Comment
  UC1031351  Achnatherum occidentale subsp. pubescens Leo Whitney 1935-7-11 3452 Modoc ca. 15 mi nw Canby (Hackamore); Modoc National Forest, Hackamore 1463 Comment
  UC1037133  Achnatherum occidentale subsp. pubescens Leo Whitney 1935-6-9 3206 Modoc White Horse Comment
  UCD32698  Achnatherum occidentale subsp. pubescens Beecher Crampton 1954-7-6 2114 Modoc Modoc County, Road 56, following Shields Creek into Warner Mountains, 22 miles east of Alturas. Comment
  UCD51218  Achnatherum occidentale subsp. pubescens R. Tofsrud 1947-7-1 244 Modoc 5 mi. W. of Ft. Bidwell. Comment
  CAS-BOT-BC242309  Achnatherum thurberianum Clare Butterworth Hardham 1961-6-19 7859 Modoc Willow Creek. Comment
  CAS-BOT-BC242313  Achnatherum thurberianum James D. Jokerst 1983-7-27 1907 Modoc Near Signal Butte. 1340 Comment
  UC1133251  Achnatherum thurberianum Leo Whitney 1935-6-30 3354 Modoc near Hackamore Comment
  UCD51428  Achnatherum thurberianum Beecher Crampton; Carl Rimbey 1954-7-7 2146 Modoc East side of Cedar Pass, Warner Mountains, 3 miles west of Cedarville. Comment
  RSA0037176  Acmispon americanus var. americanus Lowell A. Ahart, John Dittes 2012-7-12 18354 Modoc In the parking area on the east side of Elkins Lane, northeast of the homestead, about 300 yards north of the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley 1295 Comment
  UCD104524  Acmispon wrangelianus Robbins; Raynor 1943-6-1 s.n. Modoc Corporation Ranch, Likely. Comment
  CAS-BOT-BC218312  Aconitum columbianum Bruce Bartholomew 1992-8-9 6382 Modoc Creek below Patterson Lake on Squaw Peak Trail to Owl Creek Trail, E side of Warner Mountains. 2650 Comment
  CDA34271  Acroptilon repens L. Ahart, J. Dittes 2010-8-31 17093 Modoc Just south of the Parking Area on the west side of Elkins Lane, Ash Creek State Wildlife Area, about 7.2 miles (air) northeast of Bieber, Big Valley. Comment
  CHSC116076  Adonis aestivalis Lowell Ahart; John Dittes 2015-7-16 20388 Modoc North edge of Assh Creek (destroyed), southeast of gravel pit (destroyed), about 1/8 mile east of parking area on east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  UC1587034  Adonis aestivalis G. Schoolcraft 1991-6-18 2166 Modoc about 1.5 mi w of Canby (n of Highway 299) 1328 Comment
  JEPS81765  Adonis aestivalis Leland S. Smith July 1924 1514 Modoc near Pit River Ranger Station (along Pit River, Modoc National Forest, sw Modoc County); Modoc National Forest, Pit River Comment
  CHSC85673  Aegilops cylindrica J. Moreo 2002-6-24 1151611 Modoc Jasper Ranch, Willow Ranch, near New Pine Cr, Oregon. Comment
  UC1191787  Agastache urticifolia Verne Grant and Irving Schneider 1947-7-22 8158 Modoc one mi nw of Highway 395 on dirt road leading to s end Goose Lake (headwaters North Fork Pit River); , s end Goose Lake Comment
  CAS-BOT-BC15644  Ageratina occidentalis Louis Cutter Wheeler 1935-8-14 3839 Modoc Pine Creek, Warner Mts. 2011 Comment
  CAS-BOT-BC15649  Ageratina occidentalis Bruce Bartholomew 1989-8-12 5108 Modoc S end of Coyote Creek, ca. 1.5 km SW of Sunflower Knob, S end of Warner Mountains. 2040 Comment
  UCR34708  Agoseris J. A. Harpel 1981-8-6 V- 37 Modoc Warner Mtns, South Warner Wilderness Area: E end of Patterson Lake, 7 mi NW of Eagleville 2744 Comment
  UC748130  Agoseris aurantiaca Annie M. Alexander and Louise Kellogg 1946-7-23 5040 Modoc east slope, near seep Emerson Peak; Warner Mountains Comment
  UCR34489  Agoseris glauca J. A. Harpel 1981-8-7 V- 50 Modoc Warner Mtns, South Warner Wilderness Area: Pine Creek Basin Trail, 7 mi NW of Eagleville 2652 Comment
  CAS-BOT-BC242305  Agropyron cristatum Bruce Bartholomew; Barrett Anderson 1988-7-21 4448 Modoc Dry hillside, SW side of Jess Valley, Warner Mts.. 1540 Comment
  SDSU728  Agropyron inerme D. F. Howe 1966-8-25 4299 Modoc Fandango Pass, Warner Mts. 1859 Comment
  CAS-BOT-BC242377  Agrostis capillaris Bruce Bartholomew; Barrett Anderson 1988-7-21 4431 Modoc Whipple Spring, E side of Whitehorse Flat Reservoir. 1340 Comment
  CAS-BOT-BC127422  Agrostis exarata B. Bartholomew 1989-8-11 5073 A Modoc Along Lassen Creek near southeast side of Harris Flat, Warner Mountains. 1920 Comment
  CHSC115606  Agrostis exarata Lowell Ahart; John Dittes 2015-7-16 20394 Modoc North edge of Ash Creek (destroyed),_ southeast of the gravel pit (destroyed), about 1/8 mile east of the parking area on the east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  UC1025043  Agrostis exarata Leo Whitney 1935-8-19 3629 Modoc ca 15 mi nw Canby (Lake Joaquina, Hackamore); Modoc National Forest, Lake Joaquina, Hackamore 1463 Comment
  UCSC000095  Agrostis exarata H. S. Yates 1936-6-16 5676 Modoc Pease Cabin - Modoc National Forest 3 Comment
  CAS-BOT-BC139099  Agrostis pallens John Thomas Howell 1934-7-3 12377 Modoc 5 miles south of Hackamore. Comment
  UC1024978  Agrostis pallens Leo Whitney 1935-7-6 3420 Modoc near Lookout; Pit River Comment
  UCD53116  Agrostis pallens L. Whitney 1935-7-6 s.n. Modoc Pit River. Stone Coal Valley. Comment
  UC188837  Agrostis perennans Milo S. Baker Modoc Forestdale Comment
  JEPS114869  Agrostis stolonifera Lowell Ahart, John Dittes 2008-8-25 15284 Modoc W bank of the Pit River, about 1/8 mi E of County Road 91, about 3.8 mi (air) N-NE of Lookout 1273 Comment
  UCD53488  Agrostis stolonifera Hursh 1919-10-30 X 3319 Modoc Alturas. Comment
  UCD53576  Agrostis stolonifera August L. Hormay 1932-7-15 s.n. Modoc Pease Cabin, Modoc National Forest. Comment
  RSA534559  Aliciella leptomeria Bruce Bartholomew 1991-6-22 5849 Modoc E side of Surprise Valley, 9.6 km E of Eagleville at the Nevada border 1520 Comment
  CAS-BOT-BC190682  Aliciella micromeria Bruce Bartholomew 1991-5-24 5695 Modoc Surprise Valley, 5.1 km E of Eagleville. 1370 Comment
  RSA520445  Aliciella micromeria Bruce Bartholomew 1990-6-17 5336 Modoc Surprise Valley, Se corner of Upper Alkali Lake. 1390 Comment
  POM313031  Alisma gramineum H. L. Mason 1955-8-13 14653 -A Modoc Southwest side of Goose Lake Comment
  UC985666  Alisma gramineum Herbert L. Mason 1947-8-15 13557 Modoc spring feeding into w side Goose Lake (11 mi from Davis Creek) Comment
  UC1036060  Alisma plantago-aquatica Annie M. Alexander and Louise Kellogg 1946-6-3 4906 Modoc Fort Bidwell 1444 Comment
  HSC65393  Alisma triviale Thomas Wood 1979-8-8 224 Modoc 1.2 mi. S and then W of Ft. Bidwell, along Hwy. 1, S of road, at edge of creek 1372 Comment
  UCD137965  Alisma triviale Gerald Dickinson 1963-7-16 104 Modoc 3.2 miles east of Applegate - Lassen trail marker, on Fandango Road from Fort Bidwell. 1554 Comment
  CAS-BOT-BC245004  Allium acuminatum Barrett Anderson 1986-7-10 3191 Modoc West Warner Rd N of the North Fork of Pine Creek. 1965 Comment
  CAS-BOT-BC245018  Allium acuminatum Alice Eastwood; John Thomas Howell 1940-6-1 8012 Modoc 6 mi. NE of Adin on road to Canby. Comment
  HSC26581  Allium acuminatum D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19381 Modoc Along the S Fork of the Pit River, ~6 mi. E of Likely. Comment
  SEINET8111958  Allium acuminatum M. J. Williams 1969-1 Modoc Comment
  CAS-BOT-BC244998  Allium amplectens Roxana Stinchfield Ferris; R. Duthie 1919-6-14 111 Modoc Warner Mts. near Alturas. 2133 Comment
  CAS-BOT-BC244984  Allium lemmonii K. Paulson; Robert Paulson 1988-5-22 10 Modoc Devil's Garden. 1539 Comment
  RSA540053  Allium lemmonii Bruce Bartholomew, B. Anderson 1989-6-3 4908 Modoc ca. 6 km NW of Egg Lake and ca. 0.8 km E of Service Flat Gulch. 1370 Comment
  CAS-BOT-BC244979  Allium parvum Bruce Bartholomew; Barrett Anderson 1989-4-30 4714 Modoc 0.8 km S of Centerville Rd. (Co. road 54) on road to Ralston Gulch (Co. road 77). 1400 Comment
  CAS-BOT-BC244971  Allium platycaule Francis Dorris Payne 1929-6-12 3 Modoc Parker Creek. 1584 Comment
  RSA17437  Allium platycaule Elmer I. Applegate 1932-8-1 8060 Modoc Summit of the Warner Mountains, at south base of Warren Peak. Comment
  RSA367110  Allium platycaule Christopher Davidson 1975-6-4 2590 Modoc 0.4 miles E of Hwy 395 on Hwy 299 toward Cedarville. 1380 Comment
  UC1540228  Allium platycaule Dean Wm. Taylor, Glenn L. Clifton 1987-6-27 9101 Modoc along Highway 395 about 3.5 mi n n junction with Highway 299 1371 Comment
  JEPS13888  Allium platycaule Rimo Bacigalupi with L. R. Heckard, R. D. Sanderson, and G. Bacigalupi 1952-6-18 3747 Modoc about 200 ft above and s Cedar Pass; Warner Mountains 1981 Comment
  SEINET12048097  Allium platycaule Unknown 1945-1 43 Modoc grown at Pullman, WA, Cedar Pass to Cedar Peak, Warner Mts., E of Alturas Comment
  CAS-BOT-BC244948  Allium tolmiei var. tolmiei Bruce Bartholomew; Barrett Anderson 1989-6-3 4894 Modoc ca. 5 km E of the SE corner of Clear Lake Reservoir. 1450 Comment
  CHSC109735  Allium validum B. Castro; L. P. Janeway 2012-7-27 1974 Modoc Warner Mountains. North-sloping meadow opening just above Mineral Spring, 0.,3 air mi east of Yellow Mountain. Meadow surrounded by tall lodgepole pine forest; on E side of road. 2350 Comment
  UCD55835  Alopecurus aequalis Beecher Crampton; Carl Rimbey 1954-7-8 2173 Modoc 15 miles east of Likeley, Warner Mountains, floor of Jess Valley. Comment
  UC1100225  Alopecurus geniculatus Herbert L. Mason, Malcolm A. Nobs, and S. Galen Smith 1949-5-29 764 Modoc 2 mi. e. Adin Comment
  CHSC85404  Alopecurus pratensis John Dittes; Josephine Guardino 1991-7-21 431 Modoc Modoc Plateau; Big Valley; Ash Creek Wildlife Area; ca. 5.7 air-miles northeast of Bieber, ca. 7.6 air-miles west of Adin, ca. 1.5 air-mile southeast of Pilot Butte summit, meadow at northern edge of Ash Creek Floodplain (Big Swamp) at southeast base of Pilot Butte. 1258 Comment
  SEINET10481947  Alyssum alyssoides Jeffrey Huber 1971-6-3 Huber 101 Modoc 5 mi s of canby on state hwy 299, lupinus heavily carpeting hillsides of large basaltic boulders, sparse juniper, artemisia, purshia, poa association. 1280 Comment
  RSA488041  Alyssum desertorum Bruce Bartholomew, B. Anderson 1988-5-12 4134 Modoc Along the N side of the Pit River, 0.5 km W of State Highway 299 on Bushey Road. 1310 Comment
  SEINET5783736 Image available Alyssum minus S. Saufferer 1973-5-5 131 Modoc about 7.5 mi. S of Pine Creek, along Hwy 395 Comment
  CAS-BOT-BC497471  Alyssum simplex Margaret J. Williams 1988-5-28 88 -19/4 Modoc Hwy 395, intersection with Davis Creek Road Comment
  CDA36738  Amaranthus blitoides Richard R. Halse 2010-9-2 8110 Modoc Warner Mountains; Modoc National Forest; along State Hwy 299 ca 2.8 miles west of Cedarville by the Cedar Creek Lower Trailhead. Comment
  CHSC117243  Amaranthus californicus Lowell Ahart; John Dittes 2016-7-16 21253 Modoc Strand of the second pond, south of Ash Creek Canal (now filled in), south of Ash Creek, Ash Creek State Wildlife Area, 0.79 miles (air) south of County Road 87, 1.75 miles (air) west of Adin, Big Valley. 1273 Comment
  RSA768066  Amaranthus powellii L. Ahart, John Dittes 2010-8-31 17107 Modoc East side of Elkins Lane, about 100 yrds north of bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 air miles west of Adin, about 7.7 air miles northeast of Bieber, Big Valley 1268 Comment
  OBI10235  Amelanchier alnifolia H. E. McMinn 1931-5-23 2454 Modoc Warner Mts Comment
  NY849711  Amelanchier alnifolia var. alnifolia C. L. Hitchcock 1940-5-27 6701 Modoc 15 miles northeast of Alturas 1676 Comment
  RSA520439  Amelanchier pallida Bruce Bartholomew 1990-4-28 5207 Modoc 6.3 km SE of Rush Creek on road to Hunters Ridge. 1670 Comment
  CAS-BOT-BC214626  Amelanchier utahensis Roxana Stinchfield Ferris; R. Duthie 1919-6-14 77 Modoc Parker Creek, near Modoc Nat. Forest Boundary. Comment
  CAS-BOT-BC214630  Amelanchier utahensis Bruce Bartholomew; Barrett Anderson 1989-6-1 4772 Modoc South Fork Davis Creek in the vicinity of the Plum Valley camp ground. 1720 Comment
  CAS-BOT-BC217081  Amelanchier utahensis C. Wolf 1931-9-5 2400 Modoc Warner Mts., on grade 3 mi. above E base, road from Lake City-Fort Bidwell Road-Davis Creek. 1676 Comment
  CAS-BOT-BC217085  Amelanchier utahensis Isabelo T. Kelly 1930-1-1 6 Modoc Fort Bidwell Comment
  CAS-BOT-BC217089  Amelanchier utahensis Doris K. Kildale 1927-9-11 2786 Modoc Near Alturas. 1371 Comment
  CAS-BOT-BC217093  Amelanchier utahensis Bruce Bartholomew 1989-7-15 4985 Modoc 7 km from State Hwy 299 on road to Manzanita Mountain. 1830 Comment
  SBBG27371  Amelanchier utahensis C. L. Hitchcock 1940-5-27 6701 Modoc 15 mi NE of Alturas 1615 Comment
  UC914261  Amelanchier utahensis Verne Grant and Alva Grant 1947-7-8 8006 Modoc Cedar Pass; Warner Mts. Comment
  UC12099  Amelanchier utahensis Milo S. Baker 1893-6-20 Modoc Comment
  CAS-BOT-BC245112  Amphiscirpus nevadensis Louis Cutter Wheeler 1935-9-4 3944 Modoc McGinty Point, Goose Lake. 1463 Comment
  UCD119739  Amsinckia menziesii Verne Grant; Irving Schneider 1947-7-18 8044 Modoc Eastside Canal, 5 miles north of Bayley's bridge, south of Alturas. Comment
  RSA0089940  Amsinckia menziesii Verne Grant, Irving Schneider 1947-7-18 8044 Modoc Eastside Canal, 5 miles north of Bayley s bridge, south of Alturas. Comment
  UC748453  Amsinckia menziesii var. menziesii Annie M. Alexander and Louise Kellogg 1946-6-12 4727 Modoc one mi e Lake City 1414 Comment
  CAS-BOT-BC54159  Amsinckia tessellata var. tessellata Alice Eastwood; John Thomas Howell 1940-6-13 8162 Modoc Fort Bidwell. Comment
  CAS-BOT-BC54163  Amsinckia tessellata var. tessellata John Thomas Howell 1934-6-16 12213 Modoc Parker Creek, Warner Mountains 1584 Comment
  CAS-BOT-BC54168  Amsinckia tessellata var. tessellata John Thomas Howell 1934-6-12 12038 Modoc 10 mi. S of New Pine Creek. Comment
  CAS-BOT-BC218331  Anemone Francis Dorris Payne 1931-6-29 285 Modoc E side of Mt. Warren, Warner Mts. Comment
  CAS-BOT-BC15612  Antennaria argentea John Thomas Howell 1934-7-1 12316 Modoc Duncan Horse Camp. 1355 Comment
  CDA33454  Antennaria argentea Dale Woods, V. Popescu, B. Villegas 2010-6-3 Modoc Kelly Springs Rd; about 2 miles southeast of Hwy 299, Modoc National Forest. 0 Comment
  CAS-BOT-BC15610  Antennaria argentea Roxana Stinchfield Ferris; R. Duthie 1919-6-14 99 Modoc E of Alturas, Warner Mts. 2133 Comment
  UC71850  Antennaria argentea Mrs. M. H. Manning 1903-9-3 374 Modoc (north-eastern Modoc County) John Henry Hill Comment
  UC168428  Antennaria dimorpha Mrs. R. M. Austin May 1 1894-Jan 1 1900 6 Modoc Goose Lake Valley Goose Lake Valley Comment
  CAS-BOT-BC15586  Antennaria geyeri Leland S. Smith 1407 Modoc Happy Camp. 1371 Comment
  CAS-BOT-BC15585  Antennaria geyeri Frank Warrington Peirson 1926-6-26 6909 Modoc NW of Canby. Comment
  CAS-BOT-BC15553  Antennaria luzuloides John Thomas Howell 1934-6-12 11992 Modoc 6 mi. S of Davis Creek. Comment
  CAS-BOT-BC15591  Antennaria luzuloides Mrs. H. C. Cantelow 1940-6-2 3236 Modoc 9.3 mi. N of Canby, Lava Country Comment
  JEPS5980  Antennaria luzuloides Frances D. Payne 1932-6-10 641 Modoc s and e of Alturas; Warner Mountains, Parker Creek 1584 Comment
  RSA518794  Antennaria luzuloides Barbara Ertter 1988-6-18 7625 Modoc Hwy 139, 50 airmiles SW of Klamath Falls, a few miles N of Agric. Inspection Station, 1 mile S of jct to Lava Beds Nat'l Monument E of Tonesta. 1311 Comment
  CHSC66987  Antennaria luzuloides subsp. luzuloides James D. Jokerst 1987-5-11 2822 Modoc Radar Survey site S of Doublehead Mtn., S of Clear Lake Reservoir. 1363 Comment
  UC748163  Antennaria rosea Annie M. Alexander and Louise Kellogg 1946-7-11 4973 Modoc w of Eight Mile Creek Comment
  UC190692  Antennaria rosea M. F. Gilman 646 Modoc 1676 Comment
  CAS-BOT-BC15558  Antennaria rosea subsp. rosea Annie Montague Alexander; L. Kellogg 1946-7-11 4973 Modoc Mesa W of Eight Mile Creek. Comment
  CHSC117244  Anthemis cotula Lowell Ahart 2016-7-16 21237 Modoc Between the first pond and the second going west, south of Ash creek Canal (now filled in) south of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.75 miles (air) west of Adin, Big Valley. 1273 Comment
  HSC65544  Anthemis cotula Thomas Wood 1979-8-8 205 Modoc 1 mi. S of Ft. Bidwell, along Hwy. 1, corner house where road turns W 1372 Comment
  HSC3212  Apocynum androsaemifolium M. T. Milligan 1965-6-30 382 Modoc E of Jess Valley 1677 Comment
  HSC65591  Apocynum androsaemifolium Thomas Wood 1979-8-9 226 Modoc Dirt rd. along Bidwell Creek, 2.7 mi. NW of junction with Co. Hwy. 2, N of Ft. Bidwell 1509 Comment
  HSC80948  Apocynum androsaemifolium G. M. Riegel 1980-7-14 880 Modoc S Warner Mtns. 1670 Comment
  UC1125881  Aquilegia formosa R. C. Wilson 1933-7-6 57 Modoc n Roney Flat; Canby quad, Modoc National Forest 1432 Comment
  CAS-BOT-BC218343  Aquilegia formosa var. formosa Bruce Bartholomew; Barrett Anderson 1990-7-20 5499 Modoc Tamarack Flat, E side of Warner Mts. 2150 Comment
  HSC18039  Aquilegia formosa var. formosa M. T. Milligan 1964-7-25 179 Modoc Pine Creek Basin, along trail. 2439 Comment
  CAS-BOT-BC218339  Aquilegia formosa var. formosa Leland S. Smith 1917-7-29 126 Modoc Mts. Cedarville Pass & North. 1828 Comment
  RSA0126228  Arabis glabra Mrs. R. M. Austin 1895-04 414 Modoc Goose Lake. Comment
  SEINET232398  Arabis holboellii var. pendulocarpa Reed C. Rollins, Kathryn W. Rollins 1981-6-1 81194 Modoc Warner Mountains ca. 2 miles north of summit of road between Lake City and U.S. Hwy 395. Comment
  UC1504427  Arabis holboellii var. pendulocarpa Reed C. Rollins and Kathryn W. Rollins 1981-6-1 81194 Modoc ca 2 mi n of summit of road between Lake City and U.S. Hwy. 395; Warner Mountains Comment
  HSC81059  Arabis lyallii G. M. Riegel 1980-9-3 1140 Modoc S Warner Mtns. 1829 Comment
  UC412765  Arctostaphylos nevadensis Belknap C. Goldsmith 1911-6-14 31 Modoc N. Fk. Davis Creek Modoc National Forest, Warner Mts. (w slope of mts.) Comment
  CAS-BOT-BC95657  Arctostaphylos patula Doris K. Kildale 1926-9-11 2774 Modoc Between Alturas and the Oregon line. 1371 Comment
  RSA520436  Arctostaphylos patula Bruce Bartholomew, M. Bourell, Bartholomew 1990-4-28 5204 Modoc 8 km from Rush Creek on road up Hunters Ridge. 180 Comment
  JEPS51422  Arenaria aculeata L. S. Smith 1917-6-10 793 Modoc Jess Valley Comment
  JEPS51491  Arenaria aculeata Frances D. Payne 1931-6-29 281 Modoc Trail from Granger Pass to Mt. Warren; Warner Mountains 2133 Comment
  RSA59527  Arenaria aculeata E. K. Balls 1950-5-20 14812 Modoc Slope south of [Pitt] river; South Fork Public Camp, Likely to Jess Valley. 1433 Comment
  JEPS51492  Arenaria aculeata Frances D. Payne 1929-6-13 8 Modoc s and e of Alturas; Warner Mountains, Parker Creek 1584 Comment
  UC748051  Arenaria aculeata Annie M. Alexander and Louise Kellogg 1946-6-27 4846 Modoc (top of ridge, two miles by road from Dismal Swamp) north end of Warner Mountains 2377 Comment
  RSA602821  Aristida oligantha L. C. Wheeler 1935-9-6 3959 Modoc Fletcher Creek at Pease Place. Devil's Garden. 1524 Comment
  JEPS35884  Arnica Leland S. Smith c. 1918 1076 Modoc Modoc National Forest Comment
  UC29627  Arnica chamissonis Milo S. Baker 1893-6-20 Modoc Egg Lake Comment
  JEPS35870  Arnica chamissonis Frances D. Payne 1931-6-29 293 Modoc Owl Creek (s slope) Warner Mountains, Warren Peak, Owl Creek 2286 Comment
  CAS-BOT-BC15569  Arnica chamissonis subsp. foliosa Bruce Bartholomew 1989-7-15 4992 Modoc Sweagert Flat. 1860 Comment
  CAS-BOT-BC15409  Arnica cordifolia Leland S. Smith 1919-6-8 1125 Modoc Deep Creek. 1828 Comment
  JEPS120508  Arnica cordifolia B. Castro and L. P. Janeway 2012-7-24 1949 Modoc Warner Mountains. Flat ridgetop near Sunshine and Moonlight Mines, along Road 48N21 ca 1 air mi SW of Dismal Swamp. Comment
  POM30441  Arnica cordifolia Mrs. R. M. Austin 1895-07 s.n. Modoc Goose Lake Valley. Comment
  JEPS35925  Arnica cordifolia Frances D. Payne 1931-6-22 240 Modoc Dry Creek (n trib of Parker Creek), s and e of Alturas Warner Mountains, Parker Creek 1828 Comment
  SEINET6775047 Image available Arnica fulgens A. M. Alexander, L. Kellogg 1946-6-14 4748 Modoc 0.25 miles on branch to Silver Creek, Patterson Mill Rd. 1829 Comment
  UC936275  Arnica longifolia Annie M. Alexander and Louise Kellogg 1946-8-3 5100 Modoc head of Eagle Creek Warner Mountains, Eagle Creek Comment
  HSC4703  Arnica longifolia M. T. Milligan 1966-8-8 639 Modoc West slope of Eagle Peak 2439 Comment
  UC468977  Arnica longifolia M. F. Gilman 519 Modoc canyons 1676 Comment
  CAS-BOT-BC15287  Arnica mollis Annie Montague Alexander; L. Kellogg 1946-7-23 5055 Modoc NE of Emerson Peak. Comment
  HSC81049  Arnica mollis G. M. Riegel 1980-8-25 1108 Modoc S Warner Mountains 1670 Comment
  JEPS120543  Arnica mollis B. Castro and L. P. Janeway 2012-7-27 1976 Modoc Warner Mountains. At upper (SE) edge of Mineral Spring, 0.3 air mi east of Yellow Mountain. Comment
  RSA606144  Arnica mollis L. C. Wheeler 1935-8-14 3855 Modoc Lily Lake, Pine Creek, Warner Mts. 2134 Comment
  CAS-BOT-BC15294  Arnica nevadensis Robert Patterson; Mona Bourell 1993-8-14 5217 Modoc Patterson Lake. South Warner Wilderness Area. Warner Mountains. 2743 Comment
  CAS-BOT-BC15299  Arnica sororia Arnold Tiehm 1984-6-30 8837 Modoc NW side of Bidwell Mt., 2.2 road mi. N of Eight Mile Creek on road from Lake Annie. 1844 Comment
  CAS-BOT-BC15300  Arnica sororia John H. Hatton 1911-6-23 156 Modoc Modoc County. 1706 Comment
  UCD35726  Artemisia arbuscula Beecher Crampton 1960-6-17 5692 Modoc McKay flat, 13 miles west of Canby, 2.5 miles northeast of Happy Camp Station. 1280 Comment
  CAS-BOT-BC15215  Artemisia arbuscula subsp. arbuscula George Henry Ward 1950-4-16 957 Modoc Foot of hills E of Goose Lake, ca. 35 mi. N of Alturas. Comment
  CAS-BOT-BC15216  Artemisia arbuscula subsp. arbuscula James D. Jokerst 1983-7-27 1911 Modoc Near Signal Butte. 1340 Comment
  JEPS121748  Artemisia arbuscula subsp. arbuscula L. P. Janeway, B. Castro 2014-6-2 11286 Modoc Great Basin. Along County Road 5 1.0 km west of the southwest corner of Cow Head Lake. Comment
  UC217093  Artemisia arbuscula subsp. arbuscula H. M. Hall 1921-9-9 11669 Modoc Northern Modoc County; in floodplain parks Comment
  HSC100342  Artemisia cana subsp. bolanderi Chris Boever 2010-8-11 370115 Modoc North from Cedarville, CA to Fort Bidwell, 13 miles up the Lake Annie road, East side of road. 1602 Comment
  JEPS117261  Artemisia douglasiana Lowell Ahart, John Dittes 2010-8-31 17098 Modoc East side of Elkins Lane, about 10 yards south of the bridge across Ash Creek, Ash Creek State Wildlife Area, 4215 feet north of Lassen County Line, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley 1267 Comment
  SBBG128252  Artemisia douglasiana L. Ahart, J. Dittes 2010-8-31 17098 Modoc E side of Elkins Lane, ca. 10 yards S of the bridge across Ash Crk, Ash Crk State Wildlife Area, 4215 feet N of Lassen County Line, ca. 4.3 mi W of Adin, ca. 7.7 mi NE of Bieber, Big Valley 1267 Comment
  RSA607284  Artemisia ludoviciana subsp. candicans L. C. Wheeler 1935-8-14 3848 Modoc Sunny lake shore above high water line Lily Lake, Pine Creek, Warner Mts. 2073 Comment
  SEINET7153139 Image available Artemisia ludoviciana subsp. candicans G. Schoolcraft 1999-7-13 2865 Modoc 3 miles n. of Eagleville, CA Comment
  CAS-BOT-BC15261  Artemisia ludoviciana subsp. incompta Elmer Ivan Applegate 1934-8-1 8044 Modoc E slope of Warren Peak. Comment
  UC912560  Artemisia ludoviciana subsp. incompta F. H. Frost Modoc 2 mi above Cedarville (Cedar Camp); Warner Mountains Comment
  CAS-BOT-BC15272  Artemisia ludoviciana subsp. ludoviciana Leland S. Smith 1917-7-24 117 Modoc Joseph Creek camp. 2072 Comment
  CHSC105977  Artemisia ludoviciana subsp. ludoviciana Lowell Ahart; John Dittes 2010-8-30 17050 Modoc High bank of a small wash, about 10 yards west of the fence, south edge of the meadow, Ash Creek State Wildlife Area, 2300 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  JEPS117359  Artemisia ludoviciana subsp. ludoviciana Lowell Ahart, John Dittes 2010-8-30 17051 Modoc About 10 yards west of the fence, south edge of the meadow, Ash Creek State Wildlife Area, 2,300 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley 1267 Comment
  SJSU9636  Artemisia ludoviciana subsp. ludoviciana W. Savage 1979-7-7 1457 Modoc Triangle, Fairchild Swamp Unit (SW corner), Devils Garden District, Modoc National Forest 1508 Comment
  CAS-BOT-BC15203  Artemisia spinescens Bruce Bartholomew 1991-6-22 5842 Modoc Surprise Valley, 5.6 km E of Eagleville. 1370 Comment
  CAS-BOT-BC15208  Artemisia tridentata subsp. tridentata Ethel S. Willits 1939-10-10 161 Modoc Surprise Valley. 1371 Comment
  CHSC113987  Artemisia tridentata subsp. tridentata L. P. Janeway 2014-7-7 11448 Modoc Great Basin. Northwest edge of plateau overlooking Cow Head Lake; halfway between Cow Head Lake and Big Mud Lake; along an obscure dirt road 1.0 km north-northwest of Barrel Springs Road. 1670 Comment
  CAS-BOT-BC15655  Asclepias cordifolia E. S. Willits 1940-6-9 330 Modoc Fandango Pass. Comment
  RSA252373  Asclepias cordifolia R. F. Thorne, C. W. Tilforth 1969-9-5 39152 Modoc Near Mill Creek Falls. Modoc Nataional Forest, Warner Mts. 1753 Comment
  JEPS49947  Asclepias fascicularis L. S. Smith 1918-8-13 1034 Modoc below Lost Lake; Modoc National Forest 1524 Comment
  CAS-BOT-BC54126  Asperugo procumbens Herbert Louis Mason; Verne Grant 1947-7-12 13416 Modoc Near S end of W Side Road, Pit River Valley, S of Alturas. Comment
  CAS-BOT-BC54174  Asperugo procumbens Herbert Louis Mason; Verne Grant 1947-7-12 13416 Modoc Near S end of W Side Road, Pit River Valley, S of Alturas. Comment
  UCR148527  Asperugo procumbens G. D. Barbe, P. Hiatt, M. Keffer 1980-6-4 2802 Modoc Modoc Plateau, Eastside Canal/Railroad crossing on Westside Road, N of Likely 1341 Comment
  POM39128  Aster frondosus Mrs. R. M. Austin 1895-09 441 Modoc Shores of Goose Lake Comment
  POM229871  Aster integrifolius L. C. Wheeler 1935-8-16 3888 Modoc Warner Mountains: Dismal Swamp, Twenty Mile Creek. 2226 Comment
  POM312494  Aster occidentalis H. L. Mason 1947-8-9 13480 Modoc East side of Fairchild Swamp, north of Alturas Comment
  CAS-BOT-BC218219  Astragalus curvicarpus var. curvicarpus Annie Montague Alexander; L. Kellogg 1946-6-10 4723 Modoc Slope facing Lower Lake, lava bench between Lower and Snake lakes. Comment
  CAS-BOT-BC218215  Astragalus curvicarpus var. curvicarpus Amos Arthur Heller 1938-6-24 15225 Modoc Roadside between Alturas and Canby. Comment
  NY803542  Astragalus curvicarpus var. curvicarpus A. A. Heller 1938-6-24 15225 Modoc On banks along U.S. Highway 299, between Alturas and Canby 1341 Comment
  CAS-BOT-BC182066  Astragalus filipes C. L. Hitchcock 1940-5-27 6650 Modoc 9 mi. NE of Alturas. 1402 Comment
  CAS-BOT-BC182070  Astragalus filipes Elmer Ivan Applegate 1897-5-31 881 Modoc Bloody Point, E side of Tule Lake. Comment
  HSC14516  Astragalus filipes M. T. Milligan 1965-6-30 400 Modoc E of Jess Valley 1829 Comment
  JEPS126549  Astragalus filipes Lowell Ahart, John Dittes 2016-6-6 20948 Modoc About 150 yards southwest of the intersection of County Road 87 and Access Road to Pilot Butte Parking Area, northeast base of Pilot Butte, 3.8 miles (air) east of Lookout, 7.5 miles (air) west of Adin, Ash Creek State Wildlife Area. Comment
  NY658508  Astragalus filipes W. P. Taylor 1910-6-10 s.n. Modoc Warner Mts.,among sage, on South Fork Pitt River, Alturas 1402.1 Comment
  CAS-BOT-BC182068  Astragalus filipes Mrs. H. C. Cantelow 1940-5-31 3797 Modoc E of Canby. Comment
  CAS-BOT-BC182964  Astragalus filipes Margaret J. Williams 1983-7-31 83- 125 -1 Modoc Ash Valley road, 17 mi from Aden 1828 Comment
  HSC14513  Astragalus filipes R. C. Wunner 1965-6-26 282 Modoc Lava Beds N. M., .1 mi. from Blue Eyes Point by side of road. Comment
  HSC7242  Astragalus filipes R. C. Wunner 1965-6-13 160 Modoc Lava Beds National Monument, Gillems Camp near old dump. 1220 Comment
  JEPS54660  Astragalus filipes Leland S. Smith 1919-6-8 1126 Modoc Deep Creek above station (Modoc Forest); , Deep Creep above station 1676 Comment
  JEPS65672  Astragalus filipes Frances D. Payne 1932-6-22 580 Modoc s and e Alturas (Parker Creek); Warner Mountains, , s and e of Alturas 1584 Comment
  RSA0025568  Astragalus filipes John F. Emmel 1996-7-16 1439 Modoc Northeast end of Surprise Valley, east of north end of Upper Alkali Lake; sand dunes area 3.1 air mi west of south end Fee Reservoir. (SW 1/4, Section 25) and (NW 1/4, Section 36, Township 46N, Range 16E). 1366 Comment
  CAS-BOT-BC182058  Astragalus inversus Leo David Whitney 1934-5-24 1964 Modoc Near Hackamore. 1463 Comment
  UC81353  Astragalus lentiginosus var. chartaceus Mrs. R. M. Austin June, 1894 253 Modoc shores Goose Lake; shores of Goose Lake Comment
  CAS-BOT-BC182032  Astragalus purshii Elmer Ivan Applegate 1935-6-7 9392 Modoc Sheepherders Road, Lava Beds National Monument. Comment
  HSC71402  Astragalus purshii var. purshii J. P. Smith, J. O. Sawyer 1972-5-6 5266 Modoc Along Hwy. 299, 4 mi. W of Modoc County Rd. 58, E of Alturas 1494 Comment
  CHSC67107  Astragalus purshii var. tinctus James D. Jokerst 1987-5-12 2849 Modoc Radar Survey Site S of Doublehead Mtn., N end of central sector, NE of road. Comment
  UC13457  Astragalus purshii var. tinctus Mrs. R. M. Austin and Bruce June 1898 2207 Modoc Plains Goose Lake Comment
  RSA25341  Astragalus stenophyllus C. L. Hitchcock 1940-5-27 6650 Modoc 9 miles northeast of Alturas. 1402 Comment
  RSA531338  Astragalus whitneyi Bruce Bartholomew, M. Bourell 1990-4-28 5202 Modoc 1.9 km SE of Rush Creek on road up Hunters Ridge. 1430 Comment
  UC13373  Astragalus whitneyi Mrs. R. M. Austin 1894-1 Modoc low hills around Goose Lake Goose Lake (Northern California) Comment
  NY696559  Astragalus whitneyi var. confusus J. M. Gillett 1964-6-8 12634 Modoc 2 miles south of Likely Comment
  RSA11933  Astragalus whitneyi var. confusus Elmer I. Applegate 1932-8-1 8015 Modoc Warren Peak, Warner Mountains. Comment
  CAS-BOT-BC181989  Astragalus whitneyi var. lenophyllus Edward Kent Balls 1950-5-18 14741 Modoc 1 mi. SW of Canby Bridge on Hwy. 299. 1341 Comment
  CAS-BOT-BC182003  Astragalus whitneyi var. lenophyllus Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-16 16525 Modoc 6.4 mi. W of Canby. Comment
  CAS-BOT-BC182015  Astragalus whitneyi var. lenophyllus Clare Butterworth Hardham 1961-6-18 7559 Modoc E side Cedar Pass. 1828 Comment
  CAS-BOT-BC182019  Astragalus whitneyi var. lenophyllus Gordon H. True 1964-6-3 1429 Modoc No. Fork Pit River between Alturas and Goose Lake. 1432 Comment
  RSA0017009  Astragalus whitneyi var. siskiyouensis I. L. Wiggins, Dorothy B. Wiggins 1961-6-16 16525 Modoc 6.4 mi. W of Canby. Comment
  CHSC117879  Athysanus pusillus L. P. Janeway 2016-5-16 11980 Modoc Modoc Plateau. Devils Garden area; along Road 47N07 1.8 road-km south of Road 181/73/47N09. 1573 Comment
  RSA0014477  Atriplex Joan Stewart 2005-6-6 2491 Modoc Around Lava Bed [National Monument] Comment
  CDA34190  Atriplex patula var. obtusa L. Ahart, J. Dittes 2010-8-31 17112 Modoc About 10 yards west of Elkins Lane, about 150 yards north of the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, and about 7.7 miles (air) northeast of Bieber, Big Valley. Comment
  CHSC106167  Atriplex patula var. obtusa Lowell Ahart; John Dittes 2010-8-31 17112 Modoc About 10 yards west of Elkins Lane, about 150 yards north of the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1274 Comment
  JEPS118231  Atriplex truncata Dean W. Taylor 1989-8-4 10425 Modoc Surprise Valley; between Middle Lake and Lower Lake, ca. 2.5 mi N of Eagleville 1231 Comment
  UC1024847  Avena fatua Leo Whitney 1935-6-9 3202 Modoc near White Horse; White Horse lake (Flat) Comment
  CHSC30393  Balsamorhiza hookeri Sandra C. Morey 1980-4-26 77 Modoc Hwy 299, ca. 3.7 mi N of jctn with Hwy 139. 1280 Comment
  UC1536834  Balsamorhiza hookeri G. H. True Jr. 1937-5-26 954 Modoc Adin Summit 1524 Comment
  POM350740  Balsamorhiza hookeri var. lagocephala Christopher Davidson 1973-5-26 2116 Modoc 4 miles W of Canby on Hwy 299. 1341 Comment
  CAS-BOT-BC15186  Balsamorhiza hookeri var. lanata Francis Dorris Payne 1929-6-23 20 Modoc Parker Creek. 1584 Comment
  CAS-BOT-BC15191  Balsamorhiza hookeri var. lanata E. S. Willits 1940-5-6 226 Modoc Davis Creek. 1371 Comment
  CAS-BOT-BC15137  Balsamorhiza sagittata Leland S. Smith 1919-5-8 1095 Modoc Clarke Ranch, Jess Valley, Modoc National Forest 1706 Comment
  JEPS30489  Balsamorhiza sagittata Peter H. Raven with Otto T. Solbrig 1958-6-18 13316 Modoc 8.8 mi s of Happy Camp Guard Station (Modoc National Forest); Modoc National Forest Comment
  HSC81042  Balsamorhiza sagittata G. M. Riegel 1980-7-8 862 Modoc South Warner Mountains 1739 Comment
  CAS-BOT-BC499171  Balsamorhiza serrata B. Bartholomew 1991-5-24 5726 Modoc 1.3 km NE of road between Fort Bidwell and Fee Reservoir on road to Big Mud Lake 1580 Comment
  HSC6577  Barbarea orthoceras M. T. Milligan 1964-7-25 181 Modoc Pine Creek Basin, along trail. 2439 Comment
  RSA624497  Bassia hyssopifolia L. C. Wheeler 1935-10-10 4035 Modoc Alturas. 1356 Comment
  CAS-BOT-BC248383  Beckmannia syzigachne Robert F. Thorne; C. W. Tilforth 1969-9-4 39057 Modoc 2 mi W of Davis Creek (town), S. of Goose Lake 1432 Comment
  CHSC85175  Beckmannia syzigachne John Dittes; Josephine Guardino 1991-7-21 439 Modoc Modoc Plateau; Big Valley; Ash Creek Wildlife Area; ca. 5.7 air-miles northeast of Bieber, ca. 7.6 air-miles west of Adin, ca. 1.5 air-mile southeast of Pilot Butte summit; meadow at northern edge of Ash Creek Floodplain (Big Swamp) at southeast base of Pilot Butte. 1258 Comment
  UCD56800  Beckmannia syzigachne L. Whitney 1935-7-7 3403 Modoc Howard Gulch. Comment
  CAS-BOT-BC54179  Berberis aquifolium var. repens Margaret J. Williams 1984-6-29 84- 72 -5 Modoc Cave Lake, W side of Warner Mtns. 2133 Comment
  SBBG2288  Berberis aquifolium var. repens H. and M. Dearing 1939-6-8 3597 c Modoc Pine Cyn, Warner Mtns Comment
  UC71677  Berberis aquifolium var. repens Mrs. M. H. Manning 1903-5 134 Modoc Mt. Bidwell Comment
  UCR142894  Bergia texana L. C. Wheeler 1935-8-22 3910 Modoc Devil's Garden: South Mt. Reservoir 1524 Comment
  CAS-BOT-BC54192  Betula occidentalis Bruce Bartholomew; M. Gilbert; L. Skog 1993-5-10 6468 Modoc Along Emerson Creek below Emerson Campground, E side of Warner Mountains. 1600 Comment
  HSC81822  Betula occidentalis G. M. Riegel 1980-7-14 881 Modoc S Warner Mtns. 1463 Comment
  UC711814  Betula occidentalis Roxana S. Ferris and Laura Lorraine 1941-8-14 10600 Modoc on Eagleville rd 8 1/2 mi from Patterson Ranger Station (along stream); Modoc National Forest, Warner Mountains Comment
  CAS-BOT-BC497326  Betula occidentalis John Thomas Howell 1934-6-13 12095 Modoc Warner Mts., Patterson Mill Road 1676 Comment
  UCR67029  Bidens cernua George K. Helmkamp 1990-9-23 J- 7 Modoc Warner Mtns, Goose Lake, within 0.1 mi of the Oregon border 1476 Comment
  RSA608435  Bidens cernua L. C. Wheeler 1935-9-5 3956 Modoc Tuttle Place, west side Goose Lake 1463 Comment
  JEPS114489  Blepharipappus scaber Lowell Ahart, John Dittes 2008-8-25 15295 Modoc On the west side of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout 1273 Comment
  SBBG7809  Blepharipappus scaber D. D. Keck, J. Clausen 1935-6-24 3711 Modoc ca. 3 mi NE of Willow Ranch, E of Goose Lake 1550 Comment
  UCR57489  Blepharipappus scaber R. D. Goeden, Don W. Ricker 1989-8-23 890823- 22 Modoc Warner Mtns., Modoc National Forest, Fandango Pass Rd, near Warner Mtn, west of Pass 1616 Comment
  CAS-BOT-BC15078  Blepharipappus scaber Louis Cutter Wheeler 1935-8-1 3725 Modoc Pine Creek, Warner Mts. 1767 Comment
  CAS-BOT-BC15091  Blepharipappus scaber Annie Montague Alexander; L. Kellogg 1946-6-10 4709 Modoc Slope N of Snake Lake. Comment
  CAS-BOT-BC15102  Blepharipappus scaber Gordon H. True 1964-6-3 1438 Modoc N Fork Pit River between Altura and Goose Lake. 1432 Comment
  JEPS12362  Blepharipappus scaber N. T. Mirov 1929-6-16 Modoc 2 mi nw Fandango Valley (Buck Creek Ranger Station, n Warner Mountains); Warner Mountains 1615 Comment
  JEPS6015  Blepharipappus scaber Frances D. Payne 1932-6-22 579 Modoc s and e of Alturas (Parker Creek, Warner Mountains); Warner Mountains, Parker Creek 1584 Comment
  POM351058  Blepharipappus scaber L. S. Rose 1940-6-14 16749 Modoc Kelly Hot Springs. 1341 Comment
  RSA534712  Blepharipappus scaber Bruce Bartholomew 1990-6-18 5367 Modoc Southwest side of Goose Lake, 2 km north of McGinty Point. 1420 Comment
  RSA603853  Blepharipappus scaber L. C. Wheeler 1935-8-6 3795 Modoc Edge of mountains, 1/4 mile east Pine Creek (town), Warner Mountains. 1585 Comment
  UC894098  Blepharipappus scaber Milo S. Baker 1936-6-16 8353 Modoc Hwy 395 between Alturas and Likely Alturas; Hwy. 395 Comment
  CAS-BOT-BC16828  Boechera B. Bartholomew; B. Anderson 1988-6-25 4383 Modoc 5.2 km west of Jess Valley on the road to Likely. 1450 Comment
  RSA0125853  Boechera Milo S. Baker 1893-1 s.n. Modoc [No further location information.] Comment
  RSA0125878  Boechera C. L. Hitchcock 1940-5-27 6714 Modoc 15 miles NE of Alturas. 1677 Comment
  UC615421  Boechera acutina Beryl O. Schreiber 1934-6-10 1167 Modoc Lost Lake Warner Mountains Comment
  CAS-BOT-BC58290  Boechera lemmonii Annie Montague Alexander; L. Kellogg 1946-7-30 5095 Modoc Eagle Peak, Warner Mts. Comment
  UC748370  Boechera pauciflora Annie M. Alexander and Louise Kellogg 1946-6-22 4817 Modoc edge of Bidwell Creek Warner Mountains, Bidwell Creek Comment
  CAS-BOT-BC248345  Boechera pinetorum B. Bartholomew; H. Sun 2002-6-24 8828 Modoc Ca. 1 km NW of Bald Mt., E side of the Warner Mountains 2290 Comment
  CAS-BOT-BC100299  Boechera puberula John Thomas Howell 1934-6-12 12017 Modoc Between Davis Creek and Plum Valley. Comment
  CHSC118287  Boechera puberula LP Janeway 2016-5-17 12036 Modoc Modoc Plateau. Devils Garden area; along Road 45N06 1.6 road-km northeast of Logan Slough corssing; about 3.4 air-km north of Big Sage Reservoir. 1494 Comment
  CAS-BOT-BC25534  Boechera retrofracta B. Bartholomew; M. Bourell 1990-4-27 5194 Modoc 1.1 km east of the Modoc National Forest boundary on Parker Creek Road. 1660 Comment
  CAS-BOT-BC58292  Boechera retrofracta Betty J. Hammerly 1941-6-20 40 Modoc Between Mill Creek Public Camp and Clear Lake. Comment
  CAS-BOT-BC25698  Boechera sparsiflora B. Bartholomew 1991-5-25 5765 Modoc 8 km east of Likely on road to Jess Valley, north side of road along north side of South Fork of Pit River. 1460 Comment
  CAS-BOT-BC35121  Boechera sparsiflora M. Vasey 1990-6-28 9011 Modoc In vicinity of pass at junction of North Emerson Lake Trail and Owl Creek Trail. 2590 Comment
  CAS-BOT-BC410944  Boechera sparsiflora Bruce Bartholomew; Mona Bourell 1990-4-27 5186 Modoc 10.3 km NW of Hwy 299 on Crowder Flat Rd. 1540 Comment
  CAS-BOT-BC95740  Boechera sparsiflora Elmer Ivan Applegate 1932-8-1 8003 Modoc Mill Creek Meadows region, Warner Mts. Comment
  UC1563904  Boechera sparsiflora Barbara Ertter 1988-6-18 7643 Modoc n of Adin (Adin Summit, on Hwy 299); Adin Summit 1584 Comment
  POM204158  Boisduvalia glabella J. T. Howell 1934-7-2 12351 Modoc Mowitz Creek, 1 mile S of Clear Lake. Comment
  UC70020  Bolboschoenus maritimus Mrs. M. H. Manning August 1903 436 Modoc north-eastern Modoc County Comment
  CHSC38984  Brodiaea coronaria J. D. Jokerst 1983-7-12 1838 Modoc Just south of the junction of Hwy 139 and Loveness Rd. 1478 Comment
  UCD60274  Bromus L. Whitney 1935-7-1 s.n. Modoc Spauldings Butte. Comment
  CAS-BOT-BC242402  Bromus briziformis Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16374 Modoc Junction of Cedar Pass road and Hwy 299, 5.5 mi. N of Alturas. Comment
  CAS-BOT-BC242449  Bromus briziformis Bruce Bartholomew 1990-6-17 5305 A Modoc Vicinity of Emerson Camp near roadhead, E side of Warner Mts. 1750 Comment
  CAS-BOT-BC242450  Bromus briziformis E. S. Willits 1940-5-16 246 Modoc Davis Creek. Comment
  CHSC79393  Bromus briziformis Beecher Crampton 1954-7-6 2103 Modoc Road 56, following Shields Creek into Warner Mountains, 22 miles east of Alturas. Comment
  JEPS69154  Bromus briziformis Leland S. Smith 1918-6-14 939 Modoc Buck Creek Ranger Station 1524 Comment
  RSA180226  Bromus briziformis Clare B. Hardham 1961-6-18 7520 Modoc Cedar Pass. 1829 Comment
  SJSU9580  Bromus briziformis W. Savage 1979-7-4 1340 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  UC1024679  Bromus briziformis Leo Whitney 1934-5-19 2169 Modoc Modoc National Forest, Timbered Mountian, Devil's Garden, ne portion of Modoc County Devil's Garden; Modoc National Forest, Timbered Mountian, Devil's Garden 1524 Comment
  CAS-BOT-BC242433  Bromus carinatus var. carinatus Bruce Bartholomew 1990-8-5 5658 Modoc Summit Trail, ca. 2 km N of Patterson Ranger Station, W side of Warner Mts. 2300 Comment
  CAS-BOT-BC242441  Bromus carinatus var. carinatus Bruce Bartholomew 1990-8-5 5660 Modoc Summit Trail, ca. 2 km N of Patterson Ranger Station, W side of Warner Mts. 2300 Comment
  JEPS69157  Bromus carinatus var. carinatus L. S. Smith 1917-7-24 111 Modoc Warner Mountains, Joseph Creek Joseph Creek; Warner Mountains, Joseph Creek 1981 Comment
  JEPS69182  Bromus carinatus var. carinatus Leland S. Smith 1917-7-10 104 Modoc Modoc National Forest, Granger Mill Granger Mill; Modoc National Forest, Granger Mill 1889 Comment
  UC1024738  Bromus carinatus var. carinatus Leo Whitney 1934-5-19 3043 b Modoc Modoc National Forest, Timbered Mountains, Devil's Garden Devil's Garden; Modoc National Forest, Timbered Mountains, Devil's Garden 1524 Comment
  UC1024964  Bromus carinatus var. carinatus Leo Whitney 1935-7-6 3446 Modoc Pit River near Lookout; Pit River Comment
  UC1037151  Bromus carinatus var. carinatus Leo Whitney 1935-7-6 3413 Modoc Pit River near Lookout Pit River Comment
  UC1137106  Bromus carinatus var. carinatus August L. Hormay 1932-7-15 Modoc Crowder Flat Ranger Station Comment
  UCD32704  Bromus carinatus var. marginatus Beecher Crampton 1954-7-7 2127 Modoc Modoc County, west side of Cedar Pass. Comment
  UCD59210  Bromus carinatus var. marginatus Beecher Crampton 1954-7-7 2127 Modoc West slope of Cedar Pass, Warner Mts. 1889 Comment
  UCD58486  Bromus commutatus A. A. Beetle; G. L. Stebbins Jr. 1942-5-30 3374 Modoc 3.5 miles E of Adin. Comment
  UC149681  Bromus hordeaceus H. M. Hall and E. B. Babcock June 1903 4246 Modoc Sierra Nevada Mountain, south-western Modoc County Sierra Nevada Mountain 1219 Comment
  UCD58838  Bromus inermis L. Whitney 1935-7-21 s.n. Modoc Happy Camp. Comment
  CHSC99779  Bromus japonicus Lowell Ahart; John Dittes 2008-6-21 14987 Modoc On dry soil, about 10 yards north of a large culvert, on the the large levee, mountain meadow, in Big Valley, about 2.8 miles (air) north of the Headquarters at Ash Creek State Wildlife Area, about 5.4 miles (air) northeast of Bieber. 1255 Comment
  RSA534604  Bromus japonicus Bruce Bartholomew 1989-7-14 4922 Modoc Along Rush Creek between Lower and Upper Rush Creek Campgrounds 1520 Comment
  UCD58866  Bromus japonicus L. D. Whitney 1935-8-3 s.n. Modoc Buck Creek. North Warner Mts. Comment
  UC1024844  Bromus racemosus Leo Whitney 1935-6-9 3208 Modoc White Horse Comment
  CAS-BOT-BC242460  Bromus suksdorfii Leland S. Smith 1922-7-20 1277 Modoc Rush Creek Ranger Station. 1905 Comment
  CAS-BOT-BC242499  Bromus tectorum Leland S. Smith 1924-6-9 1394 Modoc Egg Lake. Comment
  SEINET3923573  Bromus tectorum Leo Whitney 1935-5-26 3155 Modoc Ash Ceek, 10 miles east of Adin.; 0 Comment
  HSC9400  Calamagrostis canadensis var. langsdorffii M. T. Milligan 1967-7-9 671 Modoc E of Jess Valley 1768 Comment
  CAS-BOT-BC95103  Callitriche fassettii John Thomas Howell 1934-6-15 s.n. Modoc Alturas. Comment
  UC1101527  Callitriche hermaphroditica Herbert L. Mason and Verne Grant 1947-7-12 13403 Modoc several mi s Alturas (by Jones' Lane, off Highway 395) Comment
  CAS-BOT-BC95094  Callitriche palustris Roxana Stinchfield Ferris; R. Duthie 1919-6-14 168 Modoc Along Parker Creek near Modoc Nat. Forest Boundary. Comment
  CAS-BOT-BC95099  Callitriche palustris Bruce Bartholomew; Barrett Anderson 1990-7-19 5436 Modoc Sweagert Flat. 1860 Comment
  CAS-BOT-BC244934  Calochortus leichtlinii Bruce Bartholomew 1991-8-5 6028 Modoc Summit Trail between Pepperdine and Squaw Peak, W side of Warner Mts. 2190 Comment
  CHSC40544  Calochortus longebarbatus J. D. Jokerst 1983-7-12 1836 Modoc South of and adjacent to the junction of Hwy 139 and the Loveness Rd. 1478 Comment
Read comments
Aug 4 2018
  CAS-BOT-BC244927  Calochortus longebarbatus var. longebarbatus Bruce Bartholomew 1989-7-14 4966 Modoc Ca. 8 km NW of Lookout. 1300 Comment
Read comments
Aug 4 2018
  UC72480  Calochortus longebarbatus var. longebarbatus Milo S. Baker Modoc Forestdale Comment
  UC1134493  Calochortus macrocarpus R. C. Wilson 1933-7-18 68 Modoc s slope Barber Ridge; Modoc National Forest, Canby Quad. 1463 Comment
  UC711829  Calochortus macrocarpus Roxana S. Ferris and Laura Lorraine 1941-8-13 10517 Modoc Patterson Ranger Station, East Creek drainage Warner Mts., Modoc National Forest, East Creek 2164 Comment
  SJSU9694  Calochortus macrocarpus W. Savage 1979-7-20 1549 Modoc Oregon Rim Unit, Devils Garden District, 200yds S of SE end of Renner Lake, Modoc National Forest 1524 Comment
  NY485969  Caltha leptosepala subsp. howellii B. M. Bartholomew 1988-6-24 4327 Modoc Lily Lake, west side of the Warner Mountains. Fort Bidwell 15' Quad. 2130 Comment
  CHSC117570  Calycadenia Lowell Ahart; John Dittes 2016-7-14 21153 Modoc About 80 yards west of the Fishing Access Asign, low area along poor dirt road, more south of the fence, about 1/8 mile south of Ash Creek, Ash Creek State Wildlife Area, 1 mile (air) south of County Road 87, 1.7 miles(air) south west of Adin, Big Valley. 1276 Comment
  CAS-BOT-BC242129  Camassia quamash subsp. breviflora Malcom A. Nobs; Stanley Galen [S. Galen] Smith 1949-5-29 773 Modoc 1 mi. E of Lake City. Comment
  UC1036049  Camassia quamash subsp. breviflora Annie M. Alexander and Louise Kellogg 1946-6-12 4730 Modoc Fort Bidwell 1444 Comment
  CAS-BOT-BC242125  Camassia quamash subsp. breviflora Mrs. H. C. Cantelow 1941-5-16 s.n. Modoc SE end of Boca Dam. Comment
  HSC26610  Camelina microcarpa D. H. Norris, T. Nelson, S. Dowty 1971-6-23 19380 Modoc Along the S Fork of the Pit River, ~6 mi. E of Likely. Comment
  CAS-BOT-BC191137  Camissonia andina Bruce Bartholomew 1990-6-18 5386 Modoc Turner Creek at County Rd 90, N end of Big Valley, 6.4 km N of Lassen County border. 1230 Comment
  CAS-BOT-BC191118  Camissonia boothii subsp. alyssoides Bruce Bartholomew 1991-5-24 5709 Modoc Surprise Valley, E of Eagleville at the Nevada State boundary. 1520 Comment
  CAS-BOT-BC191116  Camissonia claviformis subsp. cruciformis Bruce Bartholomew; Barrett Anderson 1989-6-2 4838 Modoc 6.4 km E of Eagleville on the road to the California state border, E side of Surprise Valley. 1550 Comment
  NY851234  Camissonia claviformis var. cruciformis B. M. Bartholomew 1989-6-2 4838 Modoc 6.4 km east of Eagleville on the road to the California state border, east side of Surprise Valley 1550 Comment
  UC20540  Camissonia contorta M. S. Baker and Frank Nutting 1894-6-29 Modoc Big Valley Comment
  CAS-BOT-BC191104  Camissonia pusilla Bruce Bartholomew 1995-5-13 6912 Modoc 2.7 km NE of County Road 38 on County Road 37, E side of the S end of Surprize Valley. 1410 Comment
  HSC16481  Camissonia subacaulis M. T. Milligan 1964-7-25 180 Modoc Pine Creek Basin, along trail. 2439 Comment
  CAS-BOT-BC191093  Camissonia tanacetifolia subsp. tanacetifolia Peter Hamilton Raven 1962-5-29 17896 Modoc Hwy 139 at S road to Lava Beds National Monument. Comment
  RSA210869  Camissonia tanacetifolia subsp. tanacetifolia Robert F. Thorne, J. Henrickson, C. W. Tilforth 1969-9-4 39085 Modoc E shore of Goose Lake at Willow Ranch. 1433 Comment
  CAS-BOT-BC191085  Camissonia tanacetifolia subsp. tanacetifolia Leland S. Smith 1918-5-16 926 Modoc Centerville Road W of Alturas. Comment
  CAS-BOT-BC58464  Capsella bursa-pastoris Bruce Bartholomew; Barrett Anderson 1988-5-12 4110 Modoc S side of Egg Lake. 1300 Comment
  HSC81064  Cardamine breweri G. M. Riegel 1980-8-16 1037 Modoc S Warner Mtns. 2100 Comment
  CAS-BOT-BC58469  Cardamine breweri var. breweri Elmer Ivan Applegate 1932-8-3 8109 Modoc East branch of Mill Creek, near Eagle Peak, Warner Mts. Comment
  CAS-BOT-BC58473  Cardamine breweri var. breweri Bruce Bartholomew 1989-8-11 5102 Modoc Vicinity of Patterson Ranger Station, S end of Warner Moutains. 2160 Comment
  CAS-BOT-BC242329  Carex abrupta Louis Cutter Wheeler 1935-8-16 3878 Modoc Dismal Swamp. 2225 Comment
  HSC48335  Carex aquatilis D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-22 19334 Modoc Soup Springs Campground Comment
  UC1100436  Carex athrostachya Verne Grant, Herbert L. Mason 1947-7-10 13355 Modoc 2 mi E of Alturas (1/4 mi W of Dorris Reservoir) Comment
  SEINET10644700  Carex athrostachya Louis C. Wheeler 1935-8-16 Wheeler 3878 Modoc Damo sunny meadow. Dismal Swamp, Twenty Mile Cr., Warner Mts. S31, T48N, R16E. 2225 Comment
  CAS-BOT-BC245185  Carex hoodii Bruce Bartholomew; Barrett Anderson 1988-7-21 4457 Modoc Vicinity of Patterson Campground, southern end of the Warner Mts. 2190 Comment
  CAS-BOT-BC242364  Carex illota Robert J. Weatherby 1955-7-7 1603 Modoc Dismal Swamp. 2240 Comment
  HSC48187  Carex jonesii D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19440 Modoc Upper Rush Creek Campground, about 8 mi. N of Adin on Hwy. 299 Comment
  SEINET7563152 Image available Carex jonesii John Thomas Howell 1934-6-14 12165 Modoc Near Lost Lake, Warner Mts. 2438 Comment
  CAS-BOT-BC245181  Carex multicaulis John H. Hatton 1911-6-15 116 Modoc Near Huffman's ranch. 1493 Comment
  CAS-BOT-BC245167  Carex nebrascensis Thomas C. Fuller 1964-10-8 12702 Modoc W side of Hwy 395 at S limits of Likely. Comment
  CAS-BOT-BC245174  Carex nebrascensis John Thomas Howell 1934-6-12 12020 Modoc Plum Valley. Comment
  JEPS117659  Carex nebrascensis Lowell Ahart, John Dittes 2010-8-30 17086 Modoc About 400 yards west the bridge across Ash Creek, Elkins Lane, Ash Creek State Wildlife Area, 4215 feet north fo Lassen County Line, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley 1277 Comment
  CAS-BOT-BC119596  Carex nigricans George Wilson Gillett 1957-8-10 1018 Modoc In cirque below E slope of Eagle Peak. 2651 Comment
  CHSC99776  Carex pellita Lowell Ahart; John Dittes 2008-6-21 15003 Modoc On damp soil along a deep natural drainage, about 30 yards west of the levee, mountain meadow, in Big Valley, about 3.6 miles (air) northeast of the Headquarters at Ash Creek State Wildlife Area, aout 6.4 miles (air northeast of Bieber. 1269 Comment
  UCD140721  Carex pellita Herbert L. Mason; Verne Grant 1947-7-12 13423 Modoc near south end of west side road, along railroad tracks, Pit River Valley, south of Alturas. Comment
  HSC45956  Carex phaeocephala J. P. Smith, J. O. Sawyer 1973-8-8 7227 Modoc Near summit of Eagle Peak 2988 Comment
  CAS-BOT-BC245157  Carex praegracilis Annie Montague Alexander; L. Kellogg 1946-6-14 4761 Modoc Patterson Mill Road. 1828 Comment
  CHSC108008  Carex praegracilis Lowell Ahart; John Dittes 2011-6-21 17511 Modoc About 200 yards west of the fence, south edge of the meadow, Ash Creek State Wildlife Area, about 2,000 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  CHSC109225  Carex scopulorum var. bracteosa L. P. Janeway; B. Castro 2012-7-24 10954 Modoc Warner Mountains. Along Forest Road/County Road 2 (the road from New Pine Creek to Fort Bidwell) 1.4 air km east of Lily Lake and 1.8 air km southwest of Dismall Swamp. 2250 Comment
  UC1024328  Carex scopulorum var. bracteosa Annie M. Alexander and Louise Kellogg 1946-6-28 4856 Modoc Pine Creek Canyon Warner Mountains 2240 Comment
  CDA13468  Carex sheldonii G. F. Hrusa, T. D. Wilfred 1996-7-21 13315 Modoc Modoc Plateau; Pit River overflow channel at Modoc Co. Rd. 90 bridge. E base of Splawn Mtn. N end of Big Valley. Comment
  SJSU9611  Carex simulata W. Savage 1979-7-6 1388 .5 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  UC1540257  Carex simulata Dean Wm. Taylor, Glenn L. Clifton 1987-6-24 9057 Modoc border of meadow tributary to lakebed Egg Lake 1280 Comment
  HSC75587  Carex straminiformis G. M. Riegel 1979-7-30 625 Modoc S Warner Mtns. 1829 Comment
  JEPS63647  Carex straminiformis W. L. Jepson 1918-8-13 7966 Modoc summit Eagle Peak; Warner Mts., Eagle Peak 3017 Comment
  HSC47604  Carex subfusca D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19459 Modoc Upper Rush Creek Campground, about 8 mi. N of Adin on Hwy. 299 Comment
  POM203050  Carex subfusca J. T. Howell 1934-6-16 12208 Modoc Parker Creek, Warner Mountains. 1585 Comment
  CAS-BOT-BC180128  Castanopsis sempervirens Bruce Bartholomew 1995-7-31 7120 Modoc 0.3 km from Forest Service road 46N30 on Forest Service road 45N34, W side of Warner Mountains. 2250 Comment
  RSA504668  Castilleja angustifolia K. Paulson, R. Paulson 1988-5-24 17 Modoc Granger Canyon, Warner Mountains. 1494 Comment
  UC444862  Castilleja angustifolia Mrs. M. H. Manning May 1907 719 Modoc e side Warner Range Comment
  CAS-BOT-BC225980  Castilleja applegatei subsp. pinetorum E. S. Willits 1940-5-6 216 Modoc Hillside near Lassen Creek, Willow Ranch. 1371 Comment
  CAS-BOT-BC225997  Castilleja applegatei subsp. pinetorum Edward Kent Balls 1950-5-10 15967 Modoc 0.5 mi. E of fork of Hwy 395 and Alturas Rd. 1584 Comment
  CAS-BOT-BC229816  Castilleja applegatei subsp. pinetorum K. Paulson; Robert Paulson 1988-6-29 57 Modoc Joseph Creek Basin, Warner Mts.. 1524 Comment
  CAS-BOT-BC229818  Castilleja applegatei subsp. pinetorum Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16421 Modoc Near summit of Cedar Pass, between Alturas & Cedarville 1950 Comment
  HSC20500  Castilleja applegatei subsp. pinetorum M. T. Milligan 1965-7-10 439 Modoc W slope of Eagle Peak. 2439 Comment
  JEPS27947  Castilleja applegatei subsp. pinetorum Frances D. Payne 1929-7-22 108 -A Modoc w slope Warner Mountains (Parker Creek drainage); , Parker Creek 1584 Comment
  POM45032  Castilleja applegatei subsp. pinetorum R. M. Austin 1895-07 529 Modoc Goose Lake Valley. Comment
  RSA150189  Castilleja applegatei subsp. pinetorum A. J. Cronquist, A. H. Holmgren 1959-6-20 8517 Modoc Benchland west of the Warner Mts. in sagebrush-juniper-Agropyron country 11 miles northeast of Alturas. 1555 Comment
  RSA425922  Castilleja applegatei subsp. pinetorum Christopher Davidson 1973-5-26 2121 Modoc 4 miles W of Canby on Hwy 299. 1341 Comment
  RSA59712  Castilleja applegatei subsp. pinetorum N. N. Thompson 1950-5-18 14764 Modoc By Lower Rush Creek Public Camp, E. from Hwy 299, about 8 mi. N. of Adin. 1311 Comment
  RSA60360  Castilleja applegatei subsp. pinetorum E. K. Balls 1950-5-10 15967 Modoc 0.5 mi. east of fork of Hwy 395 and Alturas Road. 1585 Comment
  SEINET13978159  Castilleja applegatei subsp. pinetorum M. J. Williams 1983-7-29 83- 116 -9 Modoc Warner Mountains, N of Cedar Pass, 1.1 mi N of Stough Reservoir Campground. 2088 Comment
  UC1012492  Castilleja applegatei subsp. pinetorum Francis W. Pennell Jun 8 1940-Jun 9 1940 25741 Modoc ne of Alturas (upper w slope below Cedar Pass); Warner Mountains 1889 Comment
  UC1599352  Castilleja applegatei subsp. pinetorum Milo S. Baker 1898-6 Modoc Comment
  CAS-BOT-BC226012  Castilleja arachnoidea Bruce Bartholomew 1995-8-1 7162 Modoc Bidwell Mtn., E side of the Warner Mountains. 2150 Comment
  UC1310318  Castilleja arachnoidea Noel H. Holmgren and James L. Reveal 1964-8-22 1719 Modoc Eagle Park; Warner Range, Modoc National Forest 3027 Comment
  JEPS28981  Castilleja arachnoidea Frances D. Payne 1931-6-29 310 Modoc e slope Mt. Warren; Warner Range, Mt. Warren 2286 Comment
  SJSU9620  Castilleja campestris W. Savage 1979-7-6 1424 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  UC1025095  Castilleja campestris subsp. campestris Leo Whitney 1934-5-5 1640 Modoc near Hackmore; Modoc National Forest 1524 Comment
  CAS-BOT-BC226031  Castilleja lacera Bruce Bartholomew 1990-6-15 5221 Modoc W side of Deer Spring Ridge in vicinity of Reid Draw, ca. 1 km N of the Lasson Co. border. 1540 Comment
  UC1520659  Castilleja lacera Noel H. Holmgren and Patricia K. Holmgren 1980-7-1 9453 Modoc 13 air mi wnw Canby (14.2 mi wnw of junction Calif Hwy 139 with U.S. Hwy 299) 1463 Comment
  UC579762  Castilleja lacera David D. Keck and J. Clausen 1935-6-24 3720 Modoc 14 mi s New Pine Creek 1524 Comment
  UC76115  Castilleja lacera Milo S. Baker 1893-1 Modoc Forestdale Comment
  JEPS86678  Castilleja lacera L. R. Heckard with T. I. Chuang 1990-7-14 6759 Modoc ca 2 mi n Cedar Pass (along Old Common Mill Rd, ca 2 mi n of Cedar Pass) 2075 Comment
  CAS-BOT-BC226039  Castilleja linariifolia Elmer Ivan Applegate 1929-7-29 6091 Modoc Clear Lake Dam. Comment
  CAS-BOT-BC226043  Castilleja linariifolia Elmer Ivan Applegate 1929-7-28 6082 Modoc N of Clear Lake. Comment
  JEPS36815  Castilleja linariifolia Charles F. Quibell 1964-7-1 Modoc 2.5 mi e Alturas (along U.S. Hwy 395) Comment
  RSA31872  Castilleja linariifolia A. A. Heller 1940-6-29 15746 Modoc On U.S. Highway 299, about 5 miles west of Alturas. Comment
  UC733140  Castilleja linariifolia Elmer I. Applegate 1929-7-28 6082 Modoc n of Clear Lake Comment
  UC444891  Castilleja miniata W. P. Taylor and H. C. Bryant 1910-6-26 Modoc Parker Creek; Warner Mountains 1676 Comment
  HSC80798  Castilleja miniata G. M. Riegel 1980-7-9 857 Modoc S Warner Mtns. 2100 Comment
  UC27235  Castilleja pilosa M. S. Baker and Frank Nutting 1894-6-29 Modoc Big Valley Comment
  UC190604  Castilleja pilosa M. F. Gilman 561 Modoc 1981 Comment
  CAS-BOT-BC32564  Castilleja pilosa var. pilosa Alice Eastwood; John Thomas Howell 1940-6-11 8016 Modoc 7 miles SW of Canby Comment
  CAS-BOT-BC226067  Castilleja pruinosa Bruce Bartholomew 1990-6-15 5222 Modoc W side of Deer Spring Ridge in vicinity of Reid Draw, ca. 1 km N of the Lasson Co. border. 1540 Comment
  CAS-BOT-BC226081  Castilleja tenuis Bruce Bartholomew 1991-6-23 5884 Modoc 7.4 km NE of Crowder Flat Road on road between Dorris Brothers Reservoir and Cow Head Tank. 1520 Comment
  SEINET14173703  Castilleja tenuis M. J. Williams 1984-7-1 84- 87 -3 Modoc Crowder Flat Road, near Big Sage Reservoir, NW of Alturas. 1372 Comment
  JEPS29099  Castilleja tenuis Lauramay T. Dempster 1961-7-19 1701 Modoc 10.0 mi s Davis Creek (town) (above railroad tract) 1371 Comment
  UC27209  Castilleja tenuis Milo S. Baker 1893-7-9 Modoc Adobe Lake bottom Adobe Lake Comment
  CAS-BOT-BC217140  Ceanothus cuneatus var. cuneatus Bruce Bartholomew 1995-5-12 6897 Modoc SW flank of White Horse Mountains between Day and Day Rock. 1210 Comment
  UC18271  Ceanothus cuneatus var. cuneatus Milo S. Baker 1893-7-1 Modoc 1371 Comment
  RSA504605  Ceanothus integerrimus Bruce Bartholomew, B. Anderson 1988-6-23 4265 Modoc 1.8 km WSW of Day on County Road 94. 1170 Comment
  UC452660  Ceanothus prostratus Franklin P. Nutting Modoc Forestdale Comment
  CAS-BOT-BC217116  Ceanothus velutinus Betty J. Hammerly 1941-6-20 37 Modoc Along banks of Clear Lake, S end of Warner Mts. Comment
  CAS-BOT-BC217124  Ceanothus velutinus R. M. Austin 1894-8-1 s.n. Modoc Sugar Loaf Hill. Comment
  RSA504600  Ceanothus velutinus Bruce Bartholomew 1988-6-23 4277 Modoc 4 km W of Day on County road 94. 1340 Comment
  UC70431  Ceanothus velutinus Milo S. Baker July 1898 537 Modoc Forestdale Comment
  CAS-BOT-BC248322  Ceanothus velutinus var. velutinus B. Bartholomew; H. Sun 2002-6-24 8868 Modoc Fandango Pass on the E side of the Warner Mountains near the crest of the mountains 1820 Comment
  UC634582  Ceanothus velutinus var. velutinus F. H. Frost 1925-7-24 139 Modoc Jess Valley, Warner Mts. Comment
  HSC65384  Centaurea cyanus Thomas Wood 1979-8-8 216 Modoc 1 mi. S of Ft. Bidwell, along Hwy. 1, corner house where road turns W 1372 Comment
  JEPS119675  Centaurea cyanus Lowell Ahart, John Dittes 2012-7-12 18379 Modoc On the east side of Elkins Lane, about 100 yards north of the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. Comment
  NY532331  Centaurea diffusa G. Schoolcraft 1985-6-17 Modoc NW of Lookout 1264.9 Comment
  CDA36158  Centaurea diffusa C. Pirosko Jul 2003 s.n. Modoc 0 Comment
  CAS-BOT-BC281202  Centaurea stoebe subsp. micranthos B. Bartholomew 1989-7-14 4970 Modoc N end of Big Valley Comment
  CAS-BOT-BC181985  Cercis occidentalis Bruce Bartholomew; Barrett Anderson 1988-6-23 4228 Modoc 2.1 km SSE of Day on the road to State Highway 299. 1020 Comment
  CAS-BOT-BC197538  Cercocarpus ledifolius var. ledifolius Robert Patterson; Mona Bourell 1993-8-15 5234 Modoc Warner Mountains. Along trail from Patterson Lake to ca. 2 mi north towards Pepperdine Trailhead. 2743 Comment
  NY418595  Cercocarpus macrourus M. S. Baker 1893-6-20 s.n. Modoc Rocky hillside. Comment
  CAS-BOT-BC15064  Chaenactis douglasii var. douglasii John Thomas Howell 1934-6-11 11918 Modoc Parker Creek, Warner Mountains 1584 Comment
  CAS-BOT-BC15069  Chaenactis douglasii var. douglasii David Daniels Keck; J. Clausen 1935-6-24 3716 Modoc 1 mi. N of Buck's Ranger Station, 8 mi. south of New Pine Creek 1524 Comment
  CAS-BOT-BC15073  Chaenactis douglasii var. douglasii K. Paulson; Robert Paulson 1989-6-21 151 Modoc Vicinity of Granger Creek, E side of the Warner Mts. Comment
  UC90115  Chaenactis douglasii var. douglasii Mrs. R. M. Austin 1894-8-1 200 Modoc Goose Lake Valley Comment
  HSC81052  Chaenactis nevadensis G. M. Riegel 1979-7-14 545 Modoc South Warner Mtns. 1739 Comment
  CAS-BOT-BC245411  Chamaesaracha nana Alice Eastwood; John Thomas Howell 1940-6-13 8191 Modoc W side of Cedar Pass. Comment
  CAS-BOT-BC245415  Chamaesaracha nana Bruce Bartholomew 1991-7-6 5994 Modoc Webb Flat, 5.6 km S of turn off to Happy Camp Ranger Station. Area burned within the last year. 1400 Comment
  JEPS9109  Chamaesaracha nana W. L. Jepson 1918-8-7 7854 Modoc Mt. Bidwell 1798 Comment
  SBBG26789  Chamaesaracha nana C. L. Hitchcock 1940-5-27 6700 Modoc 15 mi NE of Alturas 1615 Comment
  JEPS5988  Chamaesaracha nana Frances D. Payne 1931-6-25 271 Modoc 2 mi sw Warren Peak (Middle Fork of Pine Creek); Warner Mts., Pine Creek Basin 2133 Comment
  CHSC106178  Chamaesyce serpillifolia subsp. serpillifolia Lowell Ahart; John Dittes 2010-8-30 17054 Modoc About 10 yards west of the fence, south edge of the meadow, Ash Creek State Wildlife Area, 2300 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  RSA767683  Chamaesyce serpillifolia subsp. serpillifolia L. Ahart, John Dittes 2010-8-30 17054 Modoc North side of a small wash, about 10-15 yards west of the fence, south edge of the meadow, Ash Creek State Wildlife Area, 2300 feet north of Lassen County Line, about 3.6 air miles west of Adin, about 8 air miles northeast of Bieber, Big Valley. 1268 Comment
  NY1001697  Chamaesyce serpyllifolia M. S. Baker 1893-7-25 s.n. Modoc On island in Egg Lake Comment
  UC1192289  Chamaesyce serpyllifolia Verne Grant and Irving Schneider 1947-8-27 8314 Modoc sw end Clear Lake Comment
  UC20108  Chamerion angustifolium subsp. circumvagum Milo S. Baker 1893-7-12 Modoc hillside Comment
  JEPS114754  Chenopodium Lowell Ahart, John Dittes 2008-6-21 15010 Modoc Along a large levee, mountain meadow, in Big Valley, about 4.3 miles (air) northeast of the Headquarters at Ash Creek State Wildlife Area, about 7.3 miles (air) northeast of Bieber 1266 Comment
  CAS-BOT-BC95515  Chenopodium berlandieri Isabelo T. Kelly 1930-1-1 28 Modoc Modoc County. Comment
  CHSC106201  Chenopodium desiccatum Lowell Ahart; John Dittes 2010-8-31 17111 Modoc On the east side of Elkins Lane, about 100 yards north of the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1267 Comment
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Jul 20 2019
  JEPS58873  Chimaphila umbellata L. S. Smith 1917-9-18 162 Modoc Warner Mts., Lassen Creek 1889 Comment
  CDA19915  Chorispora tenella R. Breckenridge, Kratville 2002-6-6 PDR 920238 Modoc Northern California; in the vicinity of Alturas. 1328 Comment
  JEPS58685  Chrysolepis sempervirens Leland S. Smith 1918-10-20 1056 Modoc North Fork Davis Creek; Modoc Forest 2133 Comment
  UCR64883  Chrysothamnus nauseosus George K. Helmkamp 1990-9-23 H- 3 Modoc US Hwy 395, 13 mi north of Likely 1345 Comment
  CAS-BOT-BC15002  Chrysothamnus nauseosus subsp. albicaulis Louis Cutter Wheeler 1935-9-10 3968 Modoc McGinty Reservoir, Devil's Garden. 1524 Comment
  RSA540062  Chrysothamnus nauseosus subsp. albicaulis Bruce Bartholomew, B. Anderson 1990-7-20 5457 Modoc Margin of Goose Lake at S end of the causeway to McGinty Point. 1440 Comment
  SD123291  Chrysothamnus viscidiflorus subsp. lanceolatus Jack L. Reveal 1984-8-14 2843 Modoc Dry benches east of Goose Lake. 1705 Comment
  UCR57482  Chrysothamnus viscidiflorus subsp. latifolius R. D. Goeden, D. Ricker 1989-8-23 890823- 19 Modoc Warner Mtns., Modoc National Forest, Fandango Pass, just west of Warner Mtn. 1841 Comment
  CAS-BOT-BC14985  Chrysothamnus viscidiflorus subsp. viscidiflorus Elmer Ivan Applegate 1936-9-22 11058 Modoc Fleeners Chimneys, Lava Beds National Monument. Comment
  CAS-BOT-BC14986  Chrysothamnus viscidiflorus subsp. viscidiflorus Elmer Ivan Applegate 1935-6-5 9322 Modoc Captain Jack's Stronghold, Lava Beds National Monument. Comment
  CHSC85170  Chrysothamnus viscidiflorus subsp. viscidiflorus John Dittes; Josephine Guardino 1991-7-21 391 Modoc Modoc Plateau; Big Valley; Ash Creek Wildlife Area; ca. 7.7 air-miles northeast of Bieber, ca. 4.0 air-miles west by southwest of Adin, ca. 5.0 air-mile east by southeast of Pilot Butte summit, ca. 0.6 mile east of Walters Road and Owl Barn; meadow at southern edge of Ash Creek Floodplain. 1271 Comment
  HSC81019  Chrysothamnus viscidiflorus subsp. viscidiflorus G. M. Riegel 1980-8-9 1022 Modoc S Warner Mtns. 1739 Comment
  CDA38305  Cicuta douglasii G. D. Barbe, John Kelley 1988-7-2 4297 Modoc Modoc National Wildlife Refuge, southeast of Alturas. 0 Comment
  RSA520382  Circaea alpina subsp. pacifica Bruce Bartholomew, B. Anderson 1990-7-20 5535 Modoc Buck Creek between Del Pratt Spring and Howard Flat, W side of Warner Mtns 1990 Comment
  CAS-BOT-BC14953  Cirsium andersonii K. Paulson; Robert Paulson 1991-8-4 248 Modoc Cal Pines Blvd. and Powell Drive. 1883 Comment
  JEPS117499  Cirsium arvense Lowell Ahart, John Dittes 2010-8-31 17105 Modoc About 20 yards west of Elkins Lane, about 150 yards north of the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley 1274 Comment
  CAS-BOT-BC14958  Cirsium cymosum R. M. Austin; C. C. (Mrs.) Bruce 1898-6-1 165 Modoc Goose Lake. Comment
  CHSC85426  Cirsium occidentale var. candidissimum John Dittes; Josephine Guardino 1991-8-23 451 Modoc Modoc Plateau; Warner Mountains; west slope, ca. 2.6 air-miles east by southeast of Goose Lake State Recreation Area, ca. 0.8 air-miles south of Oregon border, ca. 4.8 air-mile west of Dismal Swamp; Pine Creek Canyon, slope above Highgrade Road. 1545 Comment
  HSC81012  Cirsium occidentale var. candidissimum G. M. Riegel 1980-7-15 908 Modoc South Warner Mtns. 2100 Comment
  CDA31791  Cirsium ochrocentrum K. Haas 2007-2-6 PDR# 1402971 Modoc County Rd 1, Cedarville 0 Comment
  CDA1508  Cirsium ochrocentrum var. ochrocentrum G. D. Barbe 1982-7-13 3885 Modoc NE of Alturas, 0.5 mi. N of Hwy 395 at Woodrich & Pencil Rds. 0 Comment
  CAS-BOT-BC14937  Cirsium scariosum John Thomas Howell 1934-6-15 12188 Modoc Alturas. Comment
  CDA1605  Cirsium undulatum D. B. Joley, C. D. Hunter 1983-8-3 s.n. Modoc S side of Hwy 139, 30 meters W of Hackamore Rd. (1 mi E of MP 19.00). Comment
  CAS-BOT-BC190999  Clarkia Fred. P. Cronemiller 1920-7-1 18 Modoc N slope back of Fillingim's. Comment
  CAS-BOT-BC191067  Clarkia gracilis subsp. gracilis Bruce Bartholomew 1991-7-4 5926 Modoc Vicinity of Pine Spring between Miller Gulch and Twin Lakes. 1420 Comment
  CAS-BOT-BC191074  Clarkia gracilis subsp. gracilis Bruce Bartholomew 1991-6-20 5773 Modoc Junction of county roads 87 and 90. 1220 Comment
  CHSC117035  Clarkia gracilis subsp. gracilis Lowell Ahart; John Dittes 2016-6-6 20943 Modoc About40 yards west of the dirt road, about 50 yards southwest of the intersection of County Road 87 and Access Road to Pilot Butte Parking Area, northeast base of Pilot Butte 3.8 miles (air) east of Lookout, 7.5 miles (air) west of Adin, Ash Creek State Wildlife Area. 1271 Comment
  HSC75592  Clarkia lassenensis G. M. Riegel 1980-7-23 934 Modoc S Warner Mtns. 2100 Comment
  UC422848  Clarkia lassenensis Franklin P. Nutting Modoc Forestdale Comment
  CAS-BOT-BC191057  Clarkia lassenensis Mrs. H. C. Cantelow 1940-6-1 4035 Modoc NW of Alturas, Hwy 395. Comment
  UC1184379  Clarkia lassenensis Peter H. Raven with Otto T. Solbrig 1958-6-18 13314 Modoc Cottonwood Flat Camp Ground Modoc National Forest Comment
  SEINET10632445  Clarkia rhomboidea Peter H. Raven, Otto T. Solbrig 1958-6-18 Raven 13309 Modoc Cottonwood Flat Camp Ground, Modoc National Forest. Comment
  UC71666  Clarkia rhomboidea Mrs. M. H. Manning 1903-7 282 Modoc Warner Mt. 1524 Comment
  NY497245  Claytonia lanceolata C. L. Hitchcock 1940-5-27 6717 Modoc 15 miles northeast of Alturas 1981.2 Comment
  UC748123  Claytonia megarhiza Annie M. Alexander and Louise Kellogg 1946-7-30 5097 Modoc near summit of Eagle Peak; Warner Mountains, Eagle Peak Comment
  CAS-BOT-BC197429  Claytonia perfoliata subsp. intermontana Bruce Bartholomew; Barrett Anderson 1989-6-1 4734 Modoc Shake Spring, NW side of Shaffer Mountain. 1500 Comment
  JEPS43368  Claytonia perfoliata subsp. intermontana Frances D. Payne 1931-6-22 239 Modoc s and e of Alturas (Dry Creek, tributary of Parker Creek); Warner Mountains, Parker Creek, Dry Creek 1828 Comment
  HSC17711  Claytonia rubra subsp. rubra M. T. Milligan 1965-6-23 301 Modoc N end of Jess Valley 1616 Comment
  CAS-BOT-BC197464  Claytonia rubra subsp. rubra John H. Hatton 1911-6-12 83 Modoc Modoc County. 1371 Comment
  CAS-BOT-BC226089  Collinsia parviflora Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10556 A Modoc Patterson Ranger Station (East Creek drainage), Modoc National Forest, Warner Mountains 2164 Comment
  CAS-BOT-BC226093  Collinsia parviflora Annie Montague Alexander; L. Kellogg 1946-7-17 5011 Modoc Benton Meadow, Warner Mountains 2072 Comment
  CAS-BOT-BC229851  Collinsia parviflora Gordon H. True 1964-6-3 1441 Modoc Near Cedar Pass, Warner Mountains 1524 Comment
  CAS-BOT-BC229855  Collinsia parviflora Betty J. Hammerly 1941-6-20 38 Modoc Clear Lake. 1767 Comment
  CAS-BOT-BC229865  Collinsia parviflora Bruce Bartholomew; Barrett Anderson 1988-5-12 4094 Modoc White Horse. 1340 Comment
  CHSC117864  Collinsia parviflora L. P. Janeway 2016-5-16 11981 Modoc Modoc Plateau. Devils Garden area; along Road 47N07 1.8 road-km south of Road 181/73/47N09. 1573 Comment
  JEPS17623  Collinsia parviflora Rimo Bacigalupi with G. Thomas Robbins 1955-7-19 5377 Modoc just above and e Soap Springs Meadow (along rd to Mill Creek Ranger Station, s Warner Mtns); Modoc National Forest, Warner Mtns 2118 Comment
  JEPS17636  Collinsia parviflora Rimo Bacigalupi with G. Thomas Robbins 1955-7-20 5398 Modoc 3.3 mi e Patterson Ranger Station (summit of forest rd across s Warner Range); Warner Mtns 2225 Comment
  JEPS11708  Collinsia parviflora F. W. Pennell Jun 8 1940-Jun 9 1940 25737 Modoc ne Alturas (e slope Warner Mtns); Warner Mtns 1737 Comment
  RSA0117236  Collinsia parviflora Christopher Davidson 1973-5-26 2120 Modoc Ca. 4 miles west of Canby on highway 299. 1341 Comment
  RSA152423  Collinsia parviflora I. L. Wiggins, Dorothy Wiggins 1961-6-12 16430 Modoc Near summit of Cedar Pass, between Alturas and Cedarville. 1921 Comment
  CAS-BOT-BC229869  Collinsia sparsiflora var. sparsiflora Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-12 6516 Modoc Ca. 1 km W of Aden on road to Lookout. 1280 Comment
  CAS-BOT-BC190729  Collomia grandiflora Annie Montague Alexander; L. Kellogg 1946-7-7 4952 Modoc Eight Mile Creek, NE corner of county. 1752 Comment
  CAS-BOT-BC190742  Collomia grandiflora Barrett Anderson 1986-7-9 3167 Modoc Stough Reservoir Rd just E of Cedar Pass near Stough Reservoir. 1965 Comment
  SBBG103157  Collomia grandiflora D. H. Wilken with D. M. Smith 1971-7-2 10115 Modoc Adin Pass along St Hwy 299 1576 Comment
  UC1191648  Collomia grandiflora Verne Grant and Irving Schneider 1947-7-20 8106 Modoc downstream from Alturas; North Fork of Pit River 1341 Comment
  UC23607  Collomia grandiflora Milo S. Baker 1893-6 Modoc Lava Beds Comment
  CAS-BOT-BC190725  Collomia linearis Bruce Bartholomew 1990-6-16 5282 Modoc Bear Flat, W side of Warner Mountains. 1830 Comment
  JEPS71055  Collomia linearis Frances D. Payne 1929-7-6 44 Modoc s and e Alturas (dry meadow); Warner Mountains, Parker Creek 1584 Comment
  CAS-BOT-BC190709  Collomia tinctoria Bruce Bartholomew 1992-5-17 6344 A Modoc SW side of White Horse Mountains, SW of White Horse Flat Reservoir. 1460 Comment
  JEPS71069  Collomia tinctoria Frances D. Payne 1932-7-1 658 Modoc 2 mi sw Warren Peak (dry slope); Warner Mts., Pine Creek Basin Comment
  SBBG128256  Conium maculatum L. Ahart, J. Dittes 2010-8-30 17066 Modoc ca. 10 yards E of the fence, S edge of the meadow; Ash Crk State Wildlife Area, 2300 feet N of Lassen County Line, ca. 3.6 mi W of Adin, ca. 8 mi NE of Bieber, Big Valley 1267 Comment
  UC1036065  Corallorhiza maculata Annie M. Alexander and Louise Kellogg 1946-7-17 5005 Modoc Benton Meadow Warner Mountains 2072 Comment
  JEPS66444  Cordylanthus capitatus L. R. Heckard and P. Rubtzoff 1971-8-3 2705 Modoc summit of Old Cannon Mill rd Warner Mts. (3.5 mi n of Cedarville) 1981 Comment
  RSA537678  Cordylanthus capitatus L. R. Heckard, P. Rubtzoff 1971-8-3 2705 Modoc At summit of Old Cannon Mill Road, 3.5 miles north of Cedarville Pass, Warner Mountains. 1982 Comment
  SD133735  Cordylanthus capitatus L. R. Heckard, P. Rubtzoff 1971-8-3 2705 Modoc At summit of Old Cannon Mill road, 3.5 miles north of Cedarville Pass, Warner Mts 1981 Comment
  UC190605  Cordylanthus maritimus subsp. canescens M. F. Gilman 608 Modoc 1676 Comment
  JEPS16278  Cordylanthus ramosus Mrs. R. M. Austin July, 1894 245 Modoc Goose Lake Valley Comment
  CAS-BOT-BC95599  Cornus sericea John H. Hatton 1911-6-17 119 Modoc unspecified 1219 Comment
  CAS-BOT-BC197573  Crataegus douglasii A. D. Borden 1911-8-9 s.n. Modoc Mall Place, on S side of Shields Creek. Comment
  CHSC115557  Crataegus douglasii Lowell Ahart; John Dittes 2015-7-15 20356 Modoc East side of Elkins Lane, about 50 yards southeast of the bridge across Ash Creek (destroyed), about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  UC31287  Crepis acuminata Milo S. Baker 1893-6 Modoc Lava beds Comment
  SJSU8815  Crepis acuminata J. W. Tilden 1958-6-25 1261 Modoc near Monument Headquarters, Lava Beds National Monument Comment
  UC895286  Crepis acuminata Lewis S. Rose 1940-6-12 40528 Modoc 9 mi e Likely 1676 Comment
  CHSC54173  Crepis bakeri Vernon H. Oswald 1991-5-28 4632 Modoc North side of parking area on the southeast side of Pilot Butte, Ash Creek Wildlife Area, ca. 5.5 miles north-northeast of Bieber. 1264 Comment
  CAS-BOT-BC14917  Crepis bakeri subsp. cusickii Bruce Bartholomew 1991-6-21 5793 Modoc 1.6 km S of Davis Creek on U.S. Hwy 395. 1450 Comment
  UC581221  Crepis intermedia G. L. Stebbins Jr. and J. A. Jenkins 1937-7-15 2376 Modoc Shaeffer Mountain; s side 1670 Comment
  UC581248  Crepis modocensis E. B. Babcock and G. L. Stebbins Jr. 1936-6-9 1804 Modoc about 3 mi w Cedarville; Warner Mountains, Cedar Creek Canyon Comment
  CAS-BOT-BC14867  Crepis occidentalis Bruce Bartholomew 1992-5-16 6338 Modoc Burned area along County Road 91, ca. 2.5 km S of turn off to Happy Camp Ranger Station. 1390 Comment
  CAS-BOT-BC14900  Crepis occidentalis Bruce Bartholomew 1990-6-18 5359 Modoc 1.6 km S of Davis Creek on Hwy 395. 1450 Comment
  CDA33478  Crepis occidentalis Dale Woods, V. Popescu, B. Villegas 2010-6-3 Modoc Kelly Springs Rd; about 2 miles southeast of Hwy 299, Modoc National Forest. 0 Comment
  CAS-BOT-BC14896  Crepis occidentalis subsp. costata Isabelo T. Kelly 1930-1-1 42 Modoc E slope of Warner Mts., near Ft. Bidwell. Comment
  CAS-BOT-BC14895  Crepis occidentalis subsp. occidentalis Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16388 Modoc 5 mi. E of State Hwy. 299 on Cedar Pass Road. Comment
  HSC5450  Crepis occidentalis subsp. pumila M. T. Milligan 1965-7-1 411 Modoc Plateau W of Jess Valley. 1829 Comment
  SEINET5357775  Cressa truxillensis L. C. Wheeler 1935-9-4 3951 Modoc Goose Lake, McGinty Point 1463 Comment
  CAS-BOT-BC14834  Crocidium multicaule Bruce Bartholomew 1991-5-25 5749 Modoc Ca. 1 km W of Tionesta. 1320 Comment
  CAS-BOT-BC218203  Croton setiger M. Vasey 1990-6-30 9036 Modoc 0.2 mi. from junction of Lava Camp Road and road to Egg Lake. 1300 Comment
  SEINET9592040  Croton setiger M. J. Williams 1985-8-13 85- 67 -1 Modoc Road into S end of Big Sage Reservoir, NW of Alturas. 1524 Comment
  CHSC77192  Crupina vulgaris G. Schoolcraft 1993-6-17 Modoc Ne of Adin on s. side of Hunter Ridge. 1645 Comment
  CDA36150  Crupina vulgaris CDFA Staff Jun 1992 Modoc 0 Comment
  UC1478049  Cryptantha celosioides Gregg Riegel 1980-7-14 877 Modoc 0.5 mi nw Emerson Trail Head Rd. (from Sec 10 and 11, S Warner Mt. Wilderness Area); Modoc National Forest, Warner Mt. Wilderness Area 1889 Comment
  CHSC27608  Cryptantha humilis Robert Schlising 1978-7-29 3327 Modoc Warner Mountains, directly E of Warren Peak. 2852 Comment
  CAS-BOT-BC54101  Cryptantha intermedia John Thomas Howell 1934-6-11 11983 Modoc Parker Creek, Warner Mountains 1584 Comment
  CAS-BOT-BC54145  Cryptantha intermedia David Daniels Keck; Jens Chr. Clausen 1935-6-24 3719 Modoc 9 mi. S of Pine Creek, E side of Goose Lake, 0.5 mi N of Buck's Ranger Station. 1524 Comment
  CAS-BOT-BC54146  Cryptantha intermedia Annie Montague Alexander; L. Kellogg 1946-6-10 4713 Modoc W facing slope above Snake Lake. Comment
  HSC75575  Cryptantha intermedia G. M. Riegel 1980-7-14 877 Modoc S Warner Mtns. 1739 Comment
  UCD119852  Cryptantha intermedia Herbert L. Mason; Verne Grant 1947-7-13 13447 Modoc west end of Fandango Pass near Goose Lake on road to Fort Bidwell. Comment
  RSA152700  Cryptantha intermedia I. L. Wiggins, Dorothy Wiggins 1961-6-12 16382 Modoc Rocky clay mesa 5 mi. east of California State Highway 299, along Cedar Pass Rd. Comment
  UC726224  Cryptantha intermedia A. A. Heller 1941-6-26 16213 Modoc 8 mi w Alturas Comment
  HSC3626  Cryptantha simulans M. T. Milligan 1964-6-25 78 Modoc Upper Lassen Creek 1829 Comment
  RSA164361  Cryptantha simulans Clare B. Hardham 1961-6-19 7843 Modoc Willow Creek. 1524 Comment
  HSC80865  Cryptantha subretusa G. M. Riegel 1980-8-20 Modoc S Warner Mtns. 2780 Comment
  CAS-BOT-BC54079  Cryptantha torreyana Elmer Ivan Applegate 1932-8-3 8101 Modoc Mill Creek Meadows, western slope of Warner Mountains Comment
  HSC80940  Cryptantha torreyana G. M. Riegel 1979-7-18 509 Modoc S Warner Mtns. 2100 Comment
  UC24732  Cryptantha torreyana Milo S. Baker 1893-7-5 Modoc Comment
  NY1112081  Cryptantha watsonii H. D. D. Ripley 1944-6-1 6007 Modoc East of Cedarville 1250 Comment
  UC55243  Cupressus bakeri H. M. Hall and E. B. Babcock 1903-7-1 4231 Modoc lava beds of sw Modoc Co. Sierra Nevada Mountains 1219 Comment
  CDA5588  Cuscuta approximata Goss 1932-10-3 Modoc 0 Comment
  SEINET195667  Cusickiella douglasii Annie M. Alexander, Louise Kellogg 1946-8-9 5142 Modoc Squaw Peak; Patterson Lake Trail, Warner Mountains. Comment
  UC1204928  Cypripedium montanum R. C. Wilson 1933-6-21 99 Modoc Rush Creek Camp Canby Quadrangle Comment
  CAS-BOT-BC30219  Cystopteris fragilis B. Bartholomew; B. Anderson 1988-7-21 4603 Modoc above Upper rush Creek Campground ca. 4 km E of State Hwy 299 btwn Adin and Canby 1580 Comment
  RSA152455  Cystopteris fragilis I. L. Wiggins, Dorothy Wiggins 1961-6-12 16422 Modoc Near summit of Cedar Pass, between Alturus and Cedarville 1959 Comment
  HSC533  Dactylis glomerata M. T. Milligan 1964-7-1 106 Modoc 6.0 mi. E of Canby on Modoc County Rd. 54 1372 Comment
  HSC9525  Dactylis glomerata M. T. Milligan 1965-6-26 345 Modoc N end Jess Valley. 1616 Comment
  CAS-BOT-BC245211  Damasonium californicum Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-15 16520 Modoc Mesa 11 mi W of Canby on Hwy. 139. Comment
  CAS-BOT-BC245219  Damasonium californicum John Thomas Howell 1934-6-15 12184 Modoc Alturas. Comment
  CAS-BOT-BC242491  Danthonia californica Leland S. Smith 1924-5-31 1365 Modoc Modoc National Forest - near Kramer Reservoir Comment
  CAS-BOT-BC242495  Danthonia californica Leland S. Smith 1920-7-13 1178 Modoc Modoc National Forest - Grizzley's 1432 Comment
  JEPS68521  Danthonia californica L. S. Smith 1917-7-1 90 Modoc Deep Creek R.S. camp Warner Mts. 2133 Comment
  JEPS68522  Danthonia californica L. S. Smith 1917-7-1 91 Modoc Deep Creek R.S. camp Warner Mts. 2133 Comment
  JEPS68530  Danthonia unispicata L. S. Smith 1917-7-2 63 1/2 Modoc N. Fk. Pine Creek Warner Mts. 2286 Comment
  SEINET190962 Image available Danthonia unispicata A. A. Beetle 1941-6-29 2834 Modoc Near summit of Mt. Adin. 1829 Comment
  CAS-BOT-BC214751  Dasiphora fruticosa Leland S. Smith 1917-8-6 131 Modoc Benton Meadows 2194 Comment
  CAS-BOT-BC217340  Delphinium andersonii Elmer Ivan Applegate 1897-5-30 887 Modoc Tule Lake, near Carr Ranch. Comment
  CHSC117862  Delphinium depauperatum L. P. Janeway 2016-5-17 12041 Modoc Modoc Plateau. Devils Garden area; where Road 45N06 crosses Logans Slough; about 3.2 air-km north of Big Sage Reservoir. 1494 Comment
  CAS-BOT-BC217316  Delphinium nuttallianum Bruce Bartholomew 1990-6-15 5225 Modoc S end of Deer Spring Ridge, 0.2 km N of turn off to Knox Flat. 1920 Comment
  CAS-BOT-BC217324  Delphinium nuttallianum L. A. M. Black 1893-6-1 87 Modoc Lassen Creek. Comment
  UC748094  Delphinium nuttallianum Annie M. Alexander and Louise Kellogg 1946-6-5 4667 Modoc s Eagleville (above road); Warner Mountains, Emerson Creek 1981 Comment
  CAS-BOT-BC242483  Deschampsia cespitosa subsp. cespitosa John H. Hatton 1911-6-22 144 Modoc Hoffman Ranch. 1615 Comment
  CAS-BOT-BC242478  Deschampsia danthonioides Leland S. Smith 1924-5-31 s.n. Modoc Egg Lake Ranch near S end. Comment
  UCD61404  Deschampsia danthonioides A. A. Beetle 1941-6-29 2838 Modoc South slope of Mt. Adin. Comment
  CAS-BOT-BC247768  Deschampsia elongata Bruce Bartholomew; Barrett Anderson 1990-7-20 5516 Modoc Tamarack Flat, E side of Warner Mts. 2150 Comment
  CAS-BOT-BC247770  Deschampsia elongata Bruce Bartholomew; Barrett Anderson 1988-7-23 4598 Modoc Pine Creek, 4 km E of U.S Highway 395 on the road to Lily Lake, Warner Mts.. 1620 Comment
  UC1553389  Deschampsia elongata Sch/Yor/Hor/Ach 1988-7-16 1828 Modoc ca. 1 mi. s.e. Pepperdine Camp; Warner Mts. 2316 Comment
  CAS-BOT-BC58620  Descurainia incisa Bruce Bartholomew 1990-6-16 5251 Modoc Vicinity of roadhead to Pine Creek Basin, W side of Warner Mountains. 2040 Comment
  CAS-BOT-BC58622  Descurainia incisa K. Paulson; Robert Paulson 1988-6-29 67 Modoc N of Benton Meadow along Davis Creek, Warner Mts.. 1676 Comment
  SEINET5343283  Descurainia incisa var. viscosa M. J. Williams 1984-6-30 84- 80 -5 Modoc Seepage area near a reservoir 6.8 miles west of Cedarville-Gerlach road. 1981 Comment
  CAS-BOT-BC58437  Descurainia sophia F. Angwin 1946-4-14 Modoc Hillside near Alturas. Comment
  CAS-BOT-BC242113  Dichelostemma multiflorum Bruce Bartholomew; Barrett Anderson 1988-6-23 4281 Modoc 4.0 km W of Day on County Road 94. 1340 Comment
  CAS-BOT-BC242121  Dichelostemma multiflorum Bruce Bartholomew 1994-5-14 6681 Modoc NW of Day between Oilar Ranch and Day Rock. 1190 Comment
  JEPS58090  Dichelostemma multiflorum Frances D. Payne 1931-6-18 188 Modoc s and e of Alturas; Warner Mountains, Parker Creek 1584 Comment
  SJSU9660  Dieteria canescens var. canescens W. Savage 1979-7-9 1498 Modoc Round Valley, Triangle, Devils Garden District, Modoc National Forest 1493 Comment
  CAS-BOT-BC49470  Dieteria canescens var. shastensis Alice Eastwood; John Thomas Howell 1940-6-14 8248 Modoc Between Mammoth Cave and Lava Beds Nat. Mon. Comment
  CAS-BOT-BC131052  Dimeresia howellii Marion Ownbey; Fred G. Meyer 1940-7-1 2136 Modoc Cedar Pass, Warner Mts. Comment
  CAS-BOT-BC14839  Dimeresia howellii Francis Marion Ownbey; Frederick Gustav Meyer 1940-7-1 2136 Modoc Cedar Pass, Warner Mountains Comment
  CAS-BOT-BC14840  Dimeresia howellii Annie Montague Alexander; L. Kellogg 1946-8-9 5147 Modoc Patterson Lake Trail, Warner Mts. Comment
  CAS-BOT-BC14842  Dimeresia howellii Helen Katherine Sharsmith 1955-6-23 4490 Modoc North of State Highway 28 and 6.7 miles east of Cedar Campground 1859 Comment
  CAS-BOT-BC172826  Dimeresia howellii B. Bartholomew 1991-6-22 5858 Modoc 2.9 km NE of road between Fort Bidwell and Fee Resrvoir on road to Big Mud Lake 1680 Comment
  JEPS102209  Dimeresia howellii J. Greenhouse 2001-6-9 5014 Modoc Warner Mountains, E end of ridge about 1.5 mi due E of Bald Mountain 2215 Comment
  POM301741  Dimeresia howellii Marion Ownbey, Fred Meyer 1940-7-1 2136 Modoc Cedar Pass, Warner Mountains Comment
  CAS-BOT-BC229911  Diplacus cusickioides K. Paulson; Robert Paulson 1989-7-18 199 Modoc Vicinity of Granger Creek, E side of Warner Mts. 1493 Comment
  CAS-BOT-BC234522  Diplacus layneae K. Paulson 1978-6-24 s.n. Modoc Egg Lake. Comment
  CAS-BOT-BC234451  Diplacus nanus Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16413 Modoc Steep mountainside near summit of Cedar Pass. 1935 Comment
  SBBG22643  Diplacus nanus C. B. Hardham 1961-6-19 7841 Modoc Willow Crk 1676 Comment
  CAS-BOT-BC234490  Diplacus nanus Mrs. H. C. Cantelow 1935-6-8 980 Modoc S of Malin. Comment
  SEINET14196640  Diplacus pygmaeus D. M. Thompson 1988-1 927 Modoc S end Egg Lake, between Kramer Reservoir and White Horse-Lookout road, along intermittent stream, 2.3 road miles W of RR crossing. 1300 Comment
  CAS-BOT-BC234440  Diplacus tricolor Bruce Bartholomew; Barrett Anderson 1988-5-12 4100 Modoc White Horse. 1340 Comment
  HSC7537  Dipsacus fullonum M. T. Milligan 1964-8-8 223 Modoc 200 yards S of Pine Creek Blvd. on Hwy. 395 1372 Comment
  CAS-BOT-BC247766  Distichlis spicata Bruce Bartholomew 1989-8-11 5059 Modoc Along W side of Goose Lake, 3.5 km S of the Oregon border on National Forest Road 48. 1430 Comment
  JEPS91189  Dodecatheon alpinum Dean Wm. Taylor with Glenn L. Clifton 1989-8-5 10461 Modoc Warner Mountains, steep northeast face Eagle Peak 2880 Comment
  UC71814  Dodecatheon alpinum Mrs. M. H. Manning 1903-8-27 348 Modoc 100 ft below summit Mt. Bidwell (ne Modoc County); Mt. Bidwell below summit Comment
  SEINET8552726  Dodecatheon alpinum M. J. Williams 1984-6-29 84- 71 -4 Modoc W side of Warner Mountains, Lily Lake. 2073 Comment
  UC201724  Dodecatheon alpinum W. P. Taylor and H. C. Bryant 1910-7-24 Modoc e face Warren Pk Warner Mountains, e face Warren Pk 2651 Comment
  RSA534709  Dodecatheon alpinum subsp. majus Bruce Bartholomew 1991-8-5 6033 Modoc Squaw Co. Squae Peak Trail on N side of Squaw Peak, E side of Warner Mts. Seepage area. 2420 Comment
  UC71815  Dodecatheon conjugens Mrs. M. H. Manning 1903-4 85 Modoc Mt. Bidwell and vicinity Mt. Bidwell and vicinity (ne Modoc County) Comment
  OBI47981  Dodecatheon conjugens Rhonda Riggins 1989-4-28 1669 Modoc 5.7 mi N of hwy 395 E of Alturas on rd to Raker and Thomas Reservoir (continuation of Pencil Rd) 1524 Comment
  UC22374  Dodecatheon conjugens Mrs. C. C. Bruce June 1898 2802 Modoc <?>ake<?>ly Mt. Comment
  CAS-BOT-BC218268  Dodecatheon conjugens var. conjugens F. Angwin 1946-4-13 Modoc Big Valley, 2 mi. NW of Adin. 1280 Comment
  CAS-BOT-BC218282  Dodecatheon conjugens var. conjugens Leland S. Smith 1924-5-1 s.n. Modoc Ovendine range, grassy flat S of Ash Valley road. Comment
  CAS-BOT-BC218270  Dodecatheon ellisiae Bruce Bartholomew; M; M. Gilbert; L. E. Skog 1993-5-10 6429 Modoc 5 km NE of Davis Creek on road to Plum Valley Campground. 1700 Comment
  CAS-BOT-BC95108  Downingia bacigalupii Bruce Bartholomew 1989-7-14 4964 Modoc Survice Gulch ca. 3 km NE of Egg Lake. 1340 Comment
  CAS-BOT-BC95115  Downingia bacigalupii Barrett Anderson 1986-7-10 3208 Modoc West Warner Rd along Bear Flat. 1845 Comment
  CAS-BOT-BC95116  Downingia bacigalupii Alice Eastwood; John Thomas Howell 1940-6-14 8224 Modoc 8 mi. NW of Canby. Comment
  CHSC112046  Downingia bacigalupii Lowell Ahart; John Dittes 2012-7-11 18334 Modoc On the bottom of a gravel pit, north edge of the meadow, about 1/8 mile east of the parking area on the east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northweat of Bieber, Big Valley. 1266 Comment
  JEPS114688  Downingia bacigalupii Lowell Ahart, John Dittes 2008-6-21 14985 Modoc Bottom of a large vernal pool, about 50 yards northwest of a large culvert, about 25 yards west of the large levee, in Big Valley, about 2.8 miles (air) north of the Headquarters at Ash Creek State Wildlife Area, about 5.4 miles (air) northeast of Bieber 1255 Comment
  JEPS117480  Downingia bacigalupii Lowell Ahart, John Dittes 2010-8-31 17124 Modoc About 400 yards west of Elkins Lane and the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley 1267 Comment
  RSA505679  Downingia bacigalupii G. H. True 1939-6-25 1034 Modoc Boles Meadow NE of Alturas. Comment
  CAS-BOT-BC95135  Downingia cuspidata Bruce Bartholomew 1995-6-4 6961 Modoc Round Valley 1.8 km S of State Hwy 299 on County road 86. 1280 Comment
  JEPS79127  Downingia cuspidata L. R. Heckard with R. Bacigalupi 1980-6-10 5231 Modoc about 10 mi nw Lookout (along Great Northern Railroad grade) Comment
  CAS-BOT-BC95136  Downingia insignis Rimo Bacigalupi; L. R. Heckard 1952-6-18 3742 Modoc At Railroad crossing 0.75 mile east of Canby, along U.S. No. 299 Comment
  RSA149140  Downingia insignis I. L. Wiggins, Dorothy Wiggins 1961-6-16 16524 Modoc Northern outskirts of Canby. Comment
  UC635667  Downingia insignis F. H. Frost 1925-7-28 176 Modoc between Likely and Alturas Comment
  CAS-BOT-BC58598  Draba densifolia Clare Butterworth Hardham 1961-6-20 7885 Modoc Road from Mt. Bidwell to Dismal Swamp. 2438 Comment
  JEPS90139  Draba densifolia Dean W. Taylor 1992-5-8 12558 Modoc 0.5 mi e of Moonlite Mines (Warner Mountains, Mount Bidwell); Warner Mountains, Mount Bidwell 2432 Comment
  CAS-BOT-BC58593  Draba verna Bruce Bartholomew; Barrett Anderson 1989-4-27 4620 Modoc 2.1 km SSE of Day on road to State Highway 299. 1020 Comment
  UCR87265  Draba verna George K. Helmkamp, E. A. Helmkamp 1993-5-4 s.n. Modoc 16.1 miles NW of Canby along Calif. Hwy 139 1280 Comment
  CAS-BOT-BC214765  Drymocallis glandulosa Leland S. Smith 1918-8-17 1036 Modoc Eagle Peak Ridge above Emerson. 2621 Comment
  CAS-BOT-BC214769  Drymocallis glandulosa Bruce Bartholomew 1990-6-16 5254 Modoc Between roadhead and Pine Creek Basin, W side of Warner Mountains. 2130 Comment
  RSA611283  Drymocallis glandulosa Louis C. Wheeler 1935-8-8 3810 Modoc Warner Mountains: N Fork Bidwell Creek. 2378 Comment
  RSA520347  Drymocallis glandulosa var. glandulosa Bruce Bartholomew 1989-6-3 4868 Modoc Boles Creek about 5.5 km E of the SE corner of Clear Lake Reservoir. 436 Comment
  CAS-BOT-BC214759  Drymocallis glandulosa var. reflexa Roxana Stinchfield Ferris; R. Duthie 1919-6-15 88 Modoc Near Parker Creek, Modoc Nat. Forest. 1676 Comment
  JEPS44162  Drymocallis pseudorupestris var. saxicola L. S. Smith 1918-8-17 1036 Modoc Eagle Peak ridge above Emerson; Modoc National Forest, Warner Mts. 2621 Comment
  UC1593359  Dryopteris expansa Alan Smith with Chris Richards, C. Don MacNeill, and Gary Hathaway 1992-6-5 2534 Modoc Fern Cave; Lava Beds Nat'l Monument 1280 Comment
Read comments
May 30 2013
  RSA504835  Dugaldia hoopesii Bruce Bartholomew, B. Anderson 1988-7-23 4565 Modoc Dismal Swamp, Warner Mountains. 2180 Comment
  SEINET200141 Image available Echinochloa crus-galli H. L. Mason 1947-8-12 13510 Modoc Junction of North and South forks of Pit River Alturas Comment
  CAS-BOT-BC95641  Elatine Louis Cutter Wheeler 1935-8-3 3763 Modoc Pine Creek, Warner Mts. 1737 Comment
  JEPS123977  Elatine Lowell Ahart, John Dittes 2015-7-15 20353 Modoc Ash Creek State Wildlife Area, about 3.9 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. Comment
  JEPS127157  Elatine rubella Lowell Ahart, John Dittes 2016-7-14 21169 Modoc South of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. Comment
  UC1101548  Elatine triandra Verne Grant and Irving Schneider 1947-7-29 8180 Modoc s Alturas (near Payne Reservoir); Fitzugh Creek Comment
  JEPS121186  Eleocharis acicularis Lowell Ahart, John Dittes 2013-7-25 18967 Modoc W of the road crossing, about 50 yards W of the N-S fence, S edge of Ash Creek floodplain, NW of Patterson Homestead, E of Elkins Lane, 1.0 air mile S of County Road 87, 3.14 air miles W of Adin, Big Valley. Comment
  POM313053  Eleocharis bella H. L. Mason 1947-8-13 13526 Modoc Northeast side of F reservoir, north of Canby Comment
  JEPS45884  Elymus L. S. Smith 1281 Modoc Ranger Station pasture Rush Creek (s of meadow) Comment
Read comments
Mar 25 2011
  CAS-BOT-BC247719  Elymus X saundersii Bruce Bartholomew 1989-8-11 5105 Modoc Vicinity of Patterson Ranger Station, S end of Warner Mountains. 2160 Comment
  UC1137030  Elymus X saxicola August L. Hormay 1932-7-18 Modoc 2 mi s Badger Well Springs Comment
  HSC100066  Elymus cinereus G. D. Barbe, T. C. Fuller 1979-8-21 2546 Modoc E side of County Hwy. 1, 5.6 km S of Fort Bidwell, 3.2 km N of Fandango Pass Rd., MDB & M. Comment
  SJSU9602  Elymus cinereus W. Savage 1979-7-5 1376 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  CHSC85407  Elymus elymoides subsp. californicus John Dittes; Josephine Guardino 1991-6-1 363 Modoc Modoc Plateau; Big Valley; Ash Creek Wildlife Area; ca. 7.7 air-miles northeast of Bieber, ca. 4.0 air-miles west by southwest of Adin, ca. 5.0 air-mile east by southeast of Pilot Butte summit, ca. 0.6 mile east of Walters Road and Owl Barn. Meadow at southern edge of Ash Creek Floodplain. 1271 Comment
  CAS-BOT-BC247758  Elymus elymoides subsp. elymoides Louis Cutter Wheeler 1935-8-4 3781 Modoc Pine Creek. 2103 Comment
  JEPS70699  Elymus elymoides subsp. elymoides Leland S. Smith 1918-6-22 970 Modoc High Grade-Pine Creek Modoc <National> Forest Comment
  UC1024983  Elymus elymoides subsp. elymoides Leo Whitney 1935-7-5 3409 Modoc near Hackamore (ca 15 mi nw of Canby); Modoc National Forest 1463 Comment
  UC1025031  Elymus elymoides subsp. elymoides Leo Whitney 1935-7-19 3541 Modoc Hackamore Modoc National Forest, Lake Joaquina (ca 15 mi nw of Canby) 1463 Comment
  JEPS73991  Elymus glaucus subsp. glaucus Frances D. Payne 1932-7-18 709 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  JEPS73992  Elymus glaucus subsp. glaucus Frances D. Payne 1932-7-18 708 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  CAS-BOT-BC247732  Elymus multisetus Bruce Bartholomew; Barrett Anderson 1990-7-19 5399 Modoc Turner Creek at County Rd 90, N end of Big Valley, 6.4 km N of Lassen County border. 1230 Comment
  CHSC115507  Elymus multisetus L. P. Janeway 2014-7-8 11456 Modoc Modoc Plateau. East corner of Dry Creek Rim; along Road 47N08 (corral Creek Road) 3.1 road-km north-northwest of Road 48 (along the west edge of Goose Lake). 1650 Comment
  HSC9671  Elymus trachycaulus M. T. Milligan 1964-7-20 157 Modoc N end of Jess Valley, near Mill Creek. 1677 Comment
  JEPS114843  Elymus trachycaulus subsp. subsecundus Lowell Ahart, John Dittes 2008-6-21 15014 Modoc On the south side of the dirt road, uplands, in Big Valley, about 3.8 miles (air) northeast of the Headquarters at Ash Creek State Wildlife Area, about 6.5 miles (air) northeast of Bieber 1264 Comment
  HSC8761  Elymus trachycaulus subsp. trachycaulus M. T. Milligan 1965-6-26 348 Modoc Eagle Peak Region, Warner Mtns. 1677 Comment
  CHSC111108  Elytrigia repens Lowell Ahart; John Dittes 2012-7-12 18377 Modoc On the east side of Elkins Lane, about 100 yards north of the bridge across Ash creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley 1262 Comment
  CAS-BOT-BC217288  Enemion stipitatum Bruce Bartholomew; Barrett Anderson 1989-4-27 4615 Modoc 2.1 km SSE of Day on road to State Highway 299. 1020 Comment
  UCR34686  Epilobium anagallidifolium J. A. Harpel 1981-8-6 V- 6 Modoc Warner Mtns, South Warner Wilderness Area: E end of Patterson Lake, 7 mi NW of Eagleville 2744 Comment
  CAS-BOT-BC191035  Epilobium angustifolium subsp. circumvagum Elmer Ivan Applegate 1932-8-3 8113 Modoc E branch of Mill Creek, above Mill Creek Meadow, W slope of Warner Mts. Comment
  CAS-BOT-BC191012  Epilobium brachycarpum John Thomas Howell 1934-7-1 12331 Modoc Duncan Horse Camp. 1355 Comment
  CHSC106346  Epilobium brachycarpum Lowell Ahart; John Dittes 2010-8-30 17067 Modoc About 15 yards west of the fence, south edge of the meadow, Ash Creek State Wildlife Area, 2,300 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  HSC16226  Epilobium brachycarpum M. T. Milligan 1966-7-25 574 Modoc E of Jess Valley 1646 Comment
  HSC80898  Epilobium brachycarpum G. M. Riegel 1980-7-29 956 Modoc S Warner Mtns. 1670 Comment
  SEINET6635824 Image available Epilobium brachycarpum Verne Grant, Irving Schneider 1947-8-27 8308 Modoc ca. 10 mi S of Tulelake, Modoc National Forest Comment
  SJSU9547  Epilobium brachycarpum W. Savage 1979-7-3 1281 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  UC20103  Epilobium brachycarpum Milo S. Baker 1893-6-25 Modoc nr. Egg Lake Comment
  CAS-BOT-BC497314  Epilobium brachycarpum Belknap C. Goldsmith 1912-8-6 88 Modoc West side of Goose Lake: Devil's Garden 1463 Comment
  UCD77624  Epilobium brachycarpum Robert E. Preston 2000-5-31 1355 Modoc Modoc Plateau, along Hwy 139, ca. 2 miles E of Forest Service Road 44N11. 1493 Comment
  JEPS117166  Epilobium campestre Lowell Ahart, John Dittes 2010-8-30 17058 Modoc About 10 yards west of the fence, south edge of the meadow, Ash Creek State Wildlife Area, 2,300 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley 1267 Comment
  JEPS89961  Epilobium campestre Dean Wm. Taylor with Glenn L. Clifton 1989-8-6 10488 Modoc bed of Snake Lake Warner Mts., Snake Lake 1569 Comment
  RSA0037172  Epilobium campestre Lowell A. Ahart, John Dittes 2012-7-11 18331 Modoc North edge of the meadow, about 1/8 mile east of the parking area on the east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  CAS-BOT-BC190995  Epilobium ciliatum subsp. ciliatum Verne Grant; I. Schneider 1947-7-19 8079 Modoc Southern Pacific right-of-way, Williams Ranch between Alturas and Likely. 1219 Comment
  JEPS123856  Epilobium ciliatum subsp. ciliatum Lowell Ahart, John Dittes 2015-7-16 20368 Modoc Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. Comment
  UC1191718  Epilobium ciliatum subsp. ciliatum Verne Grant and Irving Schneider 1947-7-19 8079 Modoc near Tules of East Canal (along Southern Pacific right-of-way, between Alturas and Likely); Williams Ranch 1219 Comment
  RSA41238  Epilobium ciliatum subsp. glandulosum A. M. Alexander, Louise Kellogg 1946-7-11 4964 Modoc Slope west of Eight Mile Creek, northeast corner of Modoc County Comment
  CAS-BOT-BC190976  Epilobium densiflorum Bruce Bartholomew 1989-7-14 4971 Modoc ca. 1 km E of Happy Camp Ranger Station. Comment
  HSC12280  Epilobium densiflorum Richard Spjut 1970-7-20 861 Modoc 2 mi. E of Alturas, across the road from the wildlife refuge entrance Comment
  HSC30118  Epilobium hallianum D. H. Norris, T. Nelson, S. Dowty 1971-6-23 19511 Modoc Big Valley Summit, 6 mi. W of Adin on Hwy. 299 Comment
  UC748413  Epilobium hallianum Annie M. Alexander and Louise Kellogg 1946-6-30 4873 Modoc Highgrade Warner Mountains (w side of ridge, n end of mts.) 2377 Comment
  UC748257  Epilobium hornemannii subsp. hornemannii Annie M. Alexander and Louise Kellogg 1946-7-11 4964 Modoc slope w Eight Mile Creek (ne corner of Modoc Co.) Comment
  CAS-BOT-BC190945  Epilobium obcordatum Bruce Bartholomew 1995-7-31 7080 Modoc 2.4 km from Forest Service road 46N30 on road towards Bald Mountain, E side of the Warner Mts. 2150 Comment
  CHSC100851  Epilobium obcordatum L. P. Janeway 2008-8-17 9562 Modoc Warner Mountains. North slope of Bald Mountain; just below the cliffs at the top of the peak. 2409 Comment
  NY1000490  Epilobium obcordatum B. M. Bartholomew 1995-7-31 7080 Modoc 2.4 km from Forest Service road 46N30 on road towards Bald Mountain, east side of the Warner Mountains 2150 Comment
  UC748354  Epilobium obcordatum Annie M. Alexander and Louise Kellogg 1946-7-23 5050 Modoc Emerson Peak Warner Mountains (below cliff, ne) Comment
  POM319045  Epilobium pallidum Patricia Wilder 1971-6-20 5084 Modoc North part of Egg Lake (now a meadow), northwest of Lookout; north of Bieber and California State Highway 299; Modoc National Forest. Cascades Mt. Range. 1372 Comment
  CAS-BOT-BC190871  Epilobium pygmaeum Clare Butterworth Hardham 1974-8-6 20176 Modoc Cedar Pass. 1935 Comment
  CAS-BOT-BC190875  Epilobium pygmaeum Verne Grant; I. Schneider 1947-7-18 8049 Modoc Eastside Canal, 5 mi. N of Bayley's bridge, S of Alturas. Comment
  CAS-BOT-BC30184  Equisetum laevigatum Bruce Bartholomew; M; M. Gilbert; L. E. Skog 1993-5-13 6543 Modoc 8 km E of Likely along S Fork of Pit River. 1380 Comment
  CHSC116080  Equisetum laevigatum Lowell Ahart; John Dittes 2015-7-16 20393 Modoc North edge of Ash Creek (destroyed), southeast of the gravel pit (destroyed), about 1/8 mile east of the parking area on the east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  HSC862  Equisetum laevigatum M. T. Milligan 1965-6-23 291 Modoc E of Jess Valley 1616 Comment
  UC1192371  Equisetum laevigatum Verne Grant and Irving Schneider 1947-7-20 8107 Modoc downstream from Alturas (N Fork Pit River) Comment
  CAS-BOT-BC95490  Eremogone aculeata Elmer Ivan Applegate 1932-7-9 7569 Modoc N slope of Bidwell Mountain. Comment
  CAS-BOT-BC95446  Eremogone congesta Alice Eastwood; John Thomas Howell 1940-6-13 8135 Modoc W side of Fandango Pass. Comment
  CAS-BOT-BC95454  Eremogone congesta R. K. Gierisch; D. H. Esplin 1969-7-15 3544 Modoc unspecified 1524 Comment
  CAS-BOT-BC95459  Eremogone congesta K. Paulson; Robert Paulson 1988-6-11 18 Modoc Barnes Grade, Crowder Flat Rd. to Devil's Garden. 1432 Comment
  UCD98091  Eremogone congesta Beecher Crampton 1960-6-17 5698 Modoc McKay Flat, 13 miles west of Canby, 2.5 miles northeast of Happy Camp Station. 1280 Comment
  CHSC112140  Eremogone congesta var. crassula Dean Wm. Taylor 2012-6-5 21222 Modoc Vicinity Crank Spring (11 air miles North of Lookout). 1365 Comment
  SJSU9557  Eremogone congesta var. simulans W. Savage 1979-7-3 1296 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  CAS-BOT-BC14814  Ericameria bloomeri Leland S. Smith 1508 Modoc Lavas W of Mud Lake. 1310 Comment
  CAS-BOT-BC14819  Ericameria greenei Roxana Stinchfield Ferris; Laura Lorraine 1941-8-14 10618 Modoc Summit of Fandango Pass, on road between Fort Bidwell and Pine Creek, Warner Mountains 1889 Comment
  HSC67900  Ericameria greenei J. P. Smith, J. O. Sawyer 1973-8-8 7241 Modoc S slopes of Eagle Peak 2561 Comment
  SDSU3903  Ericameria greenei D. F. Howe 1966-8-25 4300 Modoc Fandango Pass, Warner Mts. 1859 Comment
  CAS-BOT-BC14820  Ericameria greenei Annie Montague Alexander; L. Kellogg 1946-8-9 5132 Modoc Patterson Lake Trail, Warner Mountains Comment
  SBBG128118  Ericameria nauseosa var. oreophila L. Ahart, J. Dittes 2010-8-30 17052 Modoc S edge of the meadow, Ash Crk State Wildlife Area, 2300 feet N of Lassen County Line, ca. 3.6 mi W of Adin, ca. 8 mi NE of Bieber, Big Valley 1267 Comment
  RSA129817  Ericameria suffruticosa G. A. Graham 1937-8-6 145 Modoc Belfort 3110 Comment
  CDA4406  Erigeron austiniae T. C. Fuller 1965-6-2 13595 Modoc South side of Highway 299 to Canby, 10.3 miles west of Alturas. 0 Comment
  CAS-BOT-BC42804  Erigeron bloomeri var. bloomeri Alice Eastwood; John Thomas Howell 1940-6-12 8104 Modoc W side of Cedar Pass. Comment
  CAS-BOT-BC42809  Erigeron bloomeri var. bloomeri Ethel S. Willits 1940-6-5 326 Modoc Canby. 1371 Comment
  CAS-BOT-BC42847  Erigeron bloomeri var. bloomeri R. M. Austin 1894-6-1 s.n. Modoc Lava beds W of Willow Creek. Comment
  OBI49213  Erigeron chrysopsidis var. austiniae Lewis S. Rose 1940-6-12 40542 Modoc 9 mi NE of Alturas, Cedar Pass Rd 1524 Comment
  RSA302220  Erigeron chrysopsidis var. austiniae J. R. Shevock 1972-5-20 1808 Modoc West of Alturas, highway 299. 1372 Comment
  UC31482  Erigeron coulteri Mrs. C. C. Bruce 1898-7-1 2314 Modoc head Davis Creek Comment
  JEPS127166  Erigeron divergens Lowell Ahart, John Dittes 2016-7-14 21154 Modoc South of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. Comment
  UC31460  Erigeron divergens M. S. Baker and Frank Nutting 1894-1 Modoc Comment
  UC748126  Erigeron divergens Annie M. Alexander and Louise Kellogg 1946-6-20 4809 Modoc field below town Eagleville 1303 Comment
  SEINET230766  Erigeron eatonii Margaret J. Williams 1984-6-28 84- 67 -2 Modoc 2 miles North of intersection between Soldier Creek and Old Cannon Mill roads. Warner Mountains North of Cedar Pass. Comment
  CAS-BOT-BC42795  Erigeron eatonii var. plantagineus Mrs. H. C. Cantelow 1941-5-23 s.n. Modoc Hwy 299 just E of Adin Pass Summit. 1576 Comment
  CAS-BOT-BC42796  Erigeron eatonii var. plantagineus Bruce Bartholomew; Barrett Anderson 1989-6-3 4904 Modoc ca. 5 km NW of Egg Lake and ca. 0.8 km W of Service Flat Gulch. 1370 Comment
  SBBG8129  Erigeron eatonii var. plantagineus H. and M. Dearing 1939-6-9 3613 Modoc mountain meadow, above Cedarville 2133 Comment
  UC748369  Erigeron eatonii var. plantagineus Annie M. Alexander and Louise Kellogg 1946-7-18 5013 Modoc Benton Meadow Warner Mountains 2072 Comment
  UC619259  Erigeron eatonii var. plantagineus J. and H. W. Grinnell 1938-6-16 1113 Modoc Cedar Pass summit Warner Mountains 1935 Comment
  CAS-BOT-BC42767  Erigeron elegantulus Leland S. Smith 1919-6-5 1116 Modoc Deep Creek above Ranger Station. 1584 Comment
  CHSC68563  Erigeron elegantulus Vernon H. Oswald; Beth Corbin, Gary Schoolcraft 1997-5-17 8464 Modoc Quarry on Bushey Rd. on the north side of the Pit River just south of Canby Bridge. Roadside. 1307 Comment
  CAS-BOT-BC49631  Erigeron filifolius John Thomas Howell 1934-6-30 12283 Modoc Duncan Horse Camp. 1355 Comment
  UC71825  Erigeron filifolius Mrs. M. H. Manning 559 Modoc Mt. Bidwell 2438 Comment
  JEPS5926  Erigeron glacialis var. glacialis Frances D. Payne 1931-6-29 305 Modoc e slope Warner Peak; Warner Mountains, Warner Peak 2286 Comment
  HSC67879  Erigeron inornatus var. inornatus J. P. Smith, J. O. Sawyer 1973-8-8 7250 Modoc 1.5 mi. N of Patterson Guard Station on Summit Trail, S Warner Wilderness 2439 Comment
  HSC81107  Erigeron inornatus var. inornatus G. M. Riegel 1979-8-24 708 Modoc S Warner Mtns. 1670 Comment
  CAS-BOT-BC49611  Erigeron linearis Alice Eastwood; John Thomas Howell 1940-6-12 8083 Modoc Jess Valley. Comment
  CAS-BOT-BC49648  Erigeron linearis Alice Eastwood; John Thomas Howell 1940-6-12 8104 A Modoc W side of Cedar Pass. Comment
  JEPS41569  Erigeron linearis L. S. Smith 1166 Modoc Timber Mt. Comment
  CAS-BOT-BC49643  Erigeron linearis R. M. Austin 1894-6-1 s.n. Modoc Lava beds W of Willow Creek. Comment
  JEPS41566  Erigeron linearis L. S. Smith 1919-6-5 1116 Modoc Deep Creek Warren Mts., Deep Creek 1584 Comment
  SD5436  Erigeron linearis Mrs. R. M. Austin Unknown Modoc New Pine Creek Comment
Read comments
Jul 11 2010
  UC190610  Erigeron linearis M. F. Gilman 667 Modoc Comment
  CAS-BOT-BC49579  Erigeron philadelphicus Roxana Stinchfield Ferris; R. Duthie 1919-6-15 173 Modoc Marsh, Parker Creek, Warner Mtns. Comment
  RSA503041  Erigeron philadelphicus Bruce Bartholomew, B. Anderson 1988-6-24 4355 Modoc 9.8 km SW of County Road 1 on County Road 42, E side of the Warner Mountains 1960 Comment
  JEPS5923  Erigeron philadelphicus var. philadelphicus Frances D. Payne 1931-6-20 202 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  CAS-BOT-BC197832  Eriogonum caespitosum M. Vasey 1990-6-28 9006 Modoc In vicinity of pass at junction of North Emerson Lake Trail and Owl Creek Trail, Wouth Warner Wilderness. 2590 Comment
  CAS-BOT-BC246494  Eriogonum douglasii var. meridionale Elmer I. Applegate 1932-8-1 8019 Modoc Crest of Warner Mountains just south of Warren Peak Comment
  JEPS57043  Eriogonum douglasii var. meridionale Frances D. Payne 1932-6-26 605 Modoc s and e Alturas (high ridges n of Parker Creek); Warner Mountains, Parker Creek 1828 Comment
  SBBG89595  Eriogonum heracleoides G. R. Ballmer 1988-7-21 Modoc Bidwell Mtn, approximately 3 mi S of Oregon border Comment
  CAS-BOT-BC497308  Eriogonum heracleoides B. Bartholomew 1990-8-5 5663 Modoc Summit Trail, ca. 2 km N of Patterson Ranger Station, W side of Warner Mts. 2400 Comment
  CAS-BOT-BC197815  Eriogonum heracleoides var. heracleoides Bruce Bartholomew; Barrett Anderson 1990-7-20 5483 Modoc 10.3 km N of Buck Creek Ranger Station, crest of Warner Mountains W side of Warner Mts. 2130 Comment
  RSA165621  Eriogonum heracleoides var. heracleoides Clare B. Hardham 1961-6-21 7917 Modoc East of Lakeview Comment
  NY572521  Eriogonum microthecum var. ambiguum B. M. Bartholomew 1991-8-5 6054 Modoc Summit Trail between Squaw Peak and Cottenwood Lake, crest of the Warner Mountains. 2530 Comment
  CAS-BOT-BC197803  Eriogonum microthecum var. laxiflorum B. Clear 1945-8-10 Modoc Newell fire tower. Comment
  CAS-BOT-BC211401  Eriogonum nudum var. pubiflorum Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10574 Modoc Patterson Ranger Station (East Creek drainage), Warner Mts. 2164 Comment
  CAS-BOT-BC211409  Eriogonum nudum var. pubiflorum Bruce Bartholomew; Barrett Anderson 1990-7-21 5552 Modoc W edge of Middle Alkali Lake, directly E of Cedarville, Surprise Valley. 1370 Comment
  CAS-BOT-BC211442  Eriogonum nudum var. pubiflorum Noel Herman Holmgren; J. L. Reveal 1964-8-21 1717 Modoc About 5 miles SW of Eagleville on the Eagleville-Likely Road. Modoc National Forest, Warner Range Comment
  CHSC109206  Eriogonum nudum var. pubiflorum L. P. Janeway; B. Castro 2012-7-24 10969 Modoc Warner Mountains. Along Forest Road/County Road 2 (the road from New Pine Creek to Fort Bidwell) 1.0 air km west of Lily Lake and 1.4 air km northwest of Yellow Mountain. 1948 Comment
  HSC81001  Eriogonum nudum var. pubiflorum G. M. Riegel 1980-9-3 1135 Modoc S Warner Mtns. 1739 Comment
  NY716885  Eriogonum nudum var. pubiflorum R. R. Halse 2004-7-22 6671 Modoc Along U. S. Highway 395, ca. 6 miles north of Aturas 1341 Comment
  RSA216054  Eriogonum nudum var. pubiflorum J. L. Gentry Jr., Earl Jensen Jr. 1968-7-4 2114 Modoc 3.9 miles west of Highway junction California 139 and California 299, on California 299 at Pit River. 1341 Comment
  UC6391  Eriogonum nudum var. pubiflorum Mrs. R. M. Austin and Bruce Aug. 1898 2316 Modoc Goose Lake Valley Comment
  NY762338  Eriogonum nudum var. pubiflorum H. D. D. Ripley 1944-6-1 6030 Modoc Foothills of Warner Mountains, west of Cedarville 1493.5 Comment
  RSA601674  Eriogonum nudum var. pubiflorum Louis C. Wheeler 1935-8-14 3840 Modoc Pine Creek. Warner Mtns. 2012 Comment
  RSA165617  Eriogonum ovalifolium var. multiscapum Clare B. Hardham 1961-6-18 7549 Modoc 3.2 miles east of Cedar Pass 1829 Comment
  CAS-BOT-BC258741  Eriogonum ovalifolium var. ovalifolium Alice Eastwood; John Thomas Howell 1940-6-14 8244 Modoc Between Mammoth Cave and Lava Beds Nat. Mon. Comment
  UC1395201  Eriogonum prociduum James L. Reveal 1971-6-22 2462 Modoc along US 395 3.5 mi n junction with California Highway 299 (1.2 mi n of Chimney Rock Turnoff) 1402 Comment
  POM260451  Eriogonum sphaerocephalum C. L. Hitchcock 1940-5-27 6656 Modoc 9 miles northeast of Alturas. 1402 Comment
  RSA26444  Eriogonum sphaerocephalum J. T. Howell 1940-6-11 8014 Modoc 6 mi. N.E. of Adin on road to Candy, Modoc Co. Comment
  CAS-BOT-BC211376  Eriogonum sphaerocephalum var. halimioides K. Paulson; Robert Paulson 1989-7-18 195 Modoc Vicinity of crest of Warner Mts. near Granger Summit. 2072 Comment
  CAS-BOT-BC211378  Eriogonum sphaerocephalum var. halimioides M. M. Hanna 1956-6-7 1018 Modoc Highway 139 between Cranby and Tienesta. Comment
  CAS-BOT-BC211383  Eriogonum sphaerocephalum var. halimioides K. Paulson; Robert Paulson 1988-5-22 6 Modoc Engle Swamp Road, Devil's Garden. 1402 Comment
  CAS-BOT-BC211395  Eriogonum sphaerocephalum var. halimioides Annie Montague Alexander; L. Kellogg 1946-8-8 5124 Modoc Patterson Lake Trail, Warner Mts. Comment
  CAS-BOT-BC211425  Eriogonum sphaerocephalum var. halimioides Bruce Bartholomew; Barrett Anderson 1988-6-25 4395 Modoc 5.6 km NW of State Highway 299 on County Road 73. 1500 Comment
  POM268130  Eriogonum sphaerocephalum var. halimioides Marion Ownbey 1940-7-1 2151 Modoc Cedar Peak, Warner Mts. Comment
  POM319185  Eriogonum sphaerocephalum var. halimioides Patricia Wilder 1971-6-20 5096 Modoc Lookout-White Horse Rd., about 3 mi. west of Lookout; north of Bieber and California State Hiway 299. Pit River Drainage, Cascades Mt. Range. 1372 Comment
  SEINET11261408  Eriogonum sphaerocephalum var. halimioides D. H. Norris, T. Nelson; Steve Dowty 1971-6-23 19385 Modoc Along Hager Basin Road near Big Sage Reservoir.; 0 Comment
  UC705543  Eriogonum sphaerocephalum var. halimioides Marion Ownbey, Fred G. Meyer 1940-7-1 2151 Modoc Cedar Peak Warner Mts., Cedar Peak Comment
  NY283176  Eriogonum strictum subsp. proliferum C. L. Hitchcock 1940-5-27 6656 Modoc 9 miles northeast of Alturas 1402.1 Comment
  CHSC67377  Eriogonum strictum var. anserinum James D. Jokerst 1986-8-10 2750 Modoc Radar Survey Site S of Doublehead Mtn., ca. 400 m NE of a NW-SE-oriented fence and road. 1341 Comment
  UC1250295  Eriogonum strictum var. anserinum Annie M. Alexander and Louise Kellogg 1946-7-24 5072 Modoc Horse Mountain Warner Mountains, Horse Mountain Comment
  RSA601668  Eriogonum strictum var. anserinum Louis C. Wheeler 1935-8-5 3790 Modoc Pine Creek, Warner Mts. 2378 Comment
  SEINET5331653  Eriogonum strictum var. anserinum M. J. Williams 1984-7-1 84- 87 -5 Modoc NW of Alturas, Crowder Flat Road, Big Sage Reservoir. 1372 Comment
  SBBG30656  Eriogonum umbellatum D. Myrick 1968-6-20 1962 Modoc E edge of Alturas 1332 Comment
  NY399145  Eriogonum umbellatum var. dichrocephalum N. H. Holmgren 1964-8-22 1720 Modoc Warner Range, just below the top of Eagle Peak 3027.9 Comment
  RSA0118778  Eriogonum umbellatum var. dumosum Lawrence P. Janeway, B. Castro 2012-7-28 11036 Modoc Warner Mountains. At Obsidian Needles Obsidian Collecting Area; along Road 43N34 overlooking North Fork Davis Creek about 6.0 air km east-northeast of the community of Davis Creek (on Hwy 395). Comment
  CAS-BOT-BC211333  Eriogonum umbellatum var. glaberrimum Louis Cutter Wheeler 1935-8-3 3773 Modoc Pine Creek, Warner Mts. 1950 Comment
  RSA279672  Eriogonum umbellatum var. glaberrimum James L. Reveal 1978-8-11 4823 Modoc Warner Mountains, Dismal Swamp, about 2 miles north of Modoc Co. Road 2, at the NW end of Dismal Swamp south of Dismal Creek 2226 Comment
  CHSC109204  Eriogonum umbellatum var. modocense L. P. Janeway; B. Castro 2012-7-24 10962 Modoc Warner Mountains. Along Forest Road/County Road 2 (the road from New Pine Creek to Fort Bidwell) 1.0 air km west of Lily Lake and 1.4 air km northwest of Yellow Mountain. 1948 Comment
  CHSC109500  Eriogonum umbellatum var. modocense L. P. Janeway; B. Castro 2012-7-26 11011 Modoc Warner Mountains. Top of Yellow Mountain; topmost part and wster edge (at the edge of a steep dropoff to the northwest). 2463 Comment
  CAS-BOT-BC197786  Eriogonum umbellatum var. nevadense Robert J. Weatherby 1955-7-8 1633 Modoc 3 mi. N of Ft. Bidwell, Warner Mts. 1554 Comment
  CAS-BOT-BC197788  Eriogonum umbellatum var. nevadense Francis Dorris Payne 1929-7-20 105 Modoc Parker Creek, Warner Mts. 1584 Comment
  CAS-BOT-BC197794  Eriogonum umbellatum var. nevadense Elmer Ivan Applegate 1932-8-1 8014 Modoc Just S of Warren Peak. Comment
  NY399269  Eriogonum umbellatum var. nevadense M. J. Williams 1984-7-1 8487- 6 Modoc Northwest of Alturas, Crowder Flat Road, near Big Sage Reservoir 1371.6 Comment
  CAS-BOT-BC197610  Eriogonum umbellatum var. polyanthum Margaret J. Williams 1988-5-30 88- 22 -2 Modoc Crowder Flat road NW of Alturas. 1524 Comment
  SEINET5331990  Eriogonum umbellatum var. polyanthum M. J. Williams 1988-5-30 88- 23 -1 Modoc First road into Big Sage Reservoir from Crowder Flat Road, NW of Alturas. 1539 Comment
  SEINET5331991  Eriogonum umbellatum var. polyanthum M. J. Williams 1984-7-1 84- 87 -6 Modoc NW of Alturas, Crowder Flat Road, near Big Sage Reservoir. 1372 Comment
  CAS-BOT-BC197588  Eriogonum vimineum Bruce Bartholomew; Barrett Anderson 1990-7-21 5563 Modoc N Barber Creek, road from Surprise Valley to Patterson Ranger Station, E side of Warner Mts. 1710 Comment
  CAS-BOT-BC197594  Eriogonum vimineum Bruce Bartholomew; Barrett Anderson 1988-6-25 4390 Modoc 5.6 km NW of State Highway 299 on County Road 73. 1500 Comment
  JEPS5963  Eriogonum vimineum Frances D. Payne 1932-7-11 694 Modoc s and e Alturas (Parker Creek); Warner Mountains, Parker Creek 1584 Comment
  RSA101373  Eriogonum vimineum R. Weatherby 1955-7-8 1639 Modoc 3 mi. north of Ft. Bidwell, northern Warner Mts. 1555 Comment
  RSA65965  Eriogonum vimineum F. W. Peirson 1926-6-24 6856 Modoc near a small lake about 3 mi. east of Alturas. Comment
  HSC17398  Eriogonum vimineum M. T. Milligan 1964-7-24 163 Modoc Badger Wells Rd. at Boles Creek Crossing 1524 Comment
  SEINET5332129  Eriogonum vimineum J. Gentry Jr. 1968-7-4 2112 Modoc 15.2 miles northwest of Hwy. jct. Calif. 139 and Calif. 299, on Calif. 139. 1448 Comment
  CAS-BOT-BC49554  Eriophyllum lanatum Mrs. H. C. Cantelow 1940-6-1 s.n. Modoc Cedar Pass, Warner Mts., east of Alturas. Comment
  CAS-BOT-BC49559  Eriophyllum lanatum Bruce Bartholomew; Barrett Anderson 1988-7-23 4563 Modoc Near Poison Lake ca. 5 km S of the road from U.S. Highway 395 to Lily Lake, Warner Mts.. 2000 Comment
  CAS-BOT-BC49590  Eriophyllum lanatum John H. Hatton 1911-6-22 145 Modoc Modoc National Forest 1615 Comment
  CAS-BOT-BC49592  Eriophyllum lanatum Elmer Ivan Applegate 1932-8-1 8020 Modoc High summit of Warner Mts. S of Warren Peak. Comment
  SEINET10821161  Eriophyllum lanatum Paul Gallian, David B. Dunn 1971-6-3 Gallian 502 Modoc 5 mi. S of Canby on CA Hwy. 299. 1280 Comment
  CHSC112350  Eriophyllum lanatum var. achilleoides L. P. Janeway; B. Castro 2014-2-6 11283 Modoc Great Basin. Along County Road 5 1.0 km west of the southwest corner of Cow Head Lake. 1627 Comment
  HSC5589  Eriophyllum lanatum var. achilleoides M. T. Milligan 1964-6-6 10 Modoc N side of Dorris Reservoir along shore 1372 Comment
  SFV3890  Eriophyllum lanatum var. achilleoides I. L. Wiggins, D. B. Wiggins 1961-6-12 16372 Modoc Warner Mountains Gentle, grassy slope at junction of Cedar Pass Road with California Highway 299. 5.5 miles north of Alturas. 1370 Comment
  UC201712  Eriophyllum lanatum var. achilleoides W. P. Taylor and H. C. Bryant 1910-6-25 Modoc Parker Cr. Warner Mountains, Parker Cr. 1676 Comment
  UC619264  Eriophyllum lanatum var. achilleoides Joseph and Hilda Grinnell 1938-7-16 1112 a Modoc Cedar Pass summit Warner Mountains, Cedar Pass summit 1935 Comment
  UC896365  Eriophyllum lanatum var. achilleoides A. A. Heller 1938-7-12 15257 a Modoc near w base Deer Mountain (on U.S. Highway 97) Comment
  RSA78965  Eriophyllum lanatum var. cuneatum E. K. Balls, Percy C. Everett 1952-10-11 18162 Modoc 4.9 miles west of turnoff to Lava Beds Monument, on road to Pumice Pits at east edge of Glass Flow 1280 Comment
  JEPS86329  Eriophyllum lanatum var. integrifolium Jack and Betty Guggolz 1988-6-29 962 Modoc slope to the n of Jenkins Spring Comment
  UC31680  Eriophyllum lanatum var. integrifolium Milo S. Baker 1893-7-1 Modoc Lava Beds Comment
  CAS-BOT-BC180083  Erodium cicutarium Bruce Bartholomew; Barrett Anderson 1989-4-29 4662 Modoc W side of Upper Alkali Lake, 7 km S of of Fort Bidwell, Surprise Valley. 1370 Comment
  JEPS117164  Eryngium alismifolium Lowell Ahart, John Dittes 2010-8-30 17063 Modoc About 5 yards east of the fence, south edge of the meadow, Ash Creek State Wildlife Area, 2,300 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley 1267 Comment
  JEPS25824  Eryngium alismifolium Leland S. Smith June, 1924 1384 Modoc Egg Lake Ranch Comment
  UCD169689  Eryngium alismifolium Louis C. Wheeler 1935-8-21 3900 Modoc Devil's Garden: Pine Spring. 1524 Comment
  UCR101247  Eryngium alismifolium L. C. Wheeler 1935-8-21 3900 Modoc Devils Garden; Pine Spring 1524 Comment
  CHSC100392  Eryngium articulatum Lowell Ahart; John Dittes 2008-8-25 15285 Modoc On the west bank (flood plain) of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-notheast of Lookout. 1273 Comment
  JEPS16990  Eryngium articulatum M. S. Baker and Franklin P. Nutting 1894-8-30 Modoc near Forestdale Comment
  RSA0110662  Eryngium articulatum Lowell Ahart, John Dittes 2008-8-25 15285 Modoc On the west bank of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout. 1273 Comment
  UC1510466  Eryngium mathiasiae Phil Leitner and Barbara Malloch 1983-7-17 Modoc Modoc Nat'l Forest Rimrock Lake; , Rimrock Lake Comment
  CAS-BOT-BC58571  Erysimum capitatum var. capitatum K. Paulson; Robert Paulson 1990-7-2 211 Modoc Dismal Swamp, Warner Mts. Comment
  RSA59516  Erysimum repandum E. K. Balls 1950-5-13 14664 Modoc Goose Lake, east shore about Willow Ranch. 1463 Comment
  CAS-BOT-BC229915  Erythranthe arvensis Annie Montague Alexander; L. Kellogg 1946-6-18 4800 Modoc Patterson Mill-Silver Creek roads. 1828 Comment
  CAS-BOT-BC229919  Erythranthe guttata R. M. Austin 1894-8-1 s.n. Modoc Lake City Pass. Comment
  CAS-BOT-BC229923  Erythranthe guttata John H. Hatton 1911-5-13 75 Modoc Modoc County. 1463 Comment
  CAS-BOT-BC234459  Erythranthe primuloides Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10566 A Modoc East Creek ca. 1 mi. E of Patterson Ranger Station. Comment
  CAS-BOT-BC234461  Erythranthe primuloides Bruce Bartholomew; Barrett Anderson 1988-7-22 4508 Modoc SE side of Sunflower Knob, southern end of the Warner Mts.. 2160 Comment
  CAS-BOT-BC234469  Erythranthe pulsiferae Bruce Bartholomew 1995-7-30 7041 Modoc 3.9 km E of Day on County Road 94 just beyond the ridge crest. 1390 Comment
  CAS-BOT-BC292500  Erythranthe pulsiferae Milo S. Baker 1893-6-1 s.n. Modoc McCloud River, 6 mi below Bartles. Comment
  RSA550582  Erythranthe pulsiferae Bruce Bartholomew 1991-6-23 5885 Modoc 7.4 km NE of Crowder Flat Road on road between Doris Brothers Reservoir and Cow Head Tank. 1520 Comment
  CAS-BOT-BC190754  Eschscholzia californica John Thomas Howell 1934-6-30 12284 Modoc Duncan Horse Camp. 1355 Comment
  UC1126395  Eschscholzia hypecoides R. C. Wilson 1933-7-17 66 Modoc Cannon Place Modoc National Forest, Canby Quadrangle 1447 Comment
  SD215505  Euphorbia serpillifolia Louis C. Wheeler 1973-8-24 Modoc Warner Mountains; Sworinger Reservoir. 1798 Comment
  UCD142785  Euphorbia serpillifolia J. M. Tucker 1950-7-25 1966 Modoc 13.4 miles southeast of Tule Lake, on highway 139. Comment
  CHSC85429  Eurybia integrifolia John Dittes; Josephine Guardino 1991-8-23 453 Modoc Modoc Plateau; Warner Mountains; southwest edge of Dismal Swamp; ca. 7.4 air-miles east by southeast of Goose Lake State Recreation Area, ca. 0.7 air-miles south of Oregon border, ca. 3.3 air-mile northwest of summit of Bidwell Mtn. Meadow. 2209 Comment
  CAS-BOT-BC15164  Eurybia integrifolia Annie Montague Alexander; L. Kellogg 1946-8-9 5130 Modoc Patterson Lake Trail, Warner Mountains Comment
  UC469030  Eurybia integrifolia M. F. Gilman 521 Modoc 1981 Comment
  CAS-BOT-BC247703  Festuca idahoensis John Thomas Howell 1934-7-1 12335 Modoc Duncan Horse Camp. 1355 Comment
  CAS-BOT-BC247715  Festuca idahoensis Leland S. Smith 1924-6-6 s.n. Modoc S of Egg Lake. Comment
  LA13110  Festuca idahoensis John Thomas Howell; 1934-7-1 12336 Modoc Duncan Horse Camp Comment
  SEINET220370  Festuca idahoensis Jack L. Reveal 1976-6-2 1938 Modoc Modoc National Forest ; 48 mi S of Klamath Falls near Perez 1280 Comment
  UC1024898  Festuca idahoensis Leo Whitney 1935-5-23 3116 Modoc 15 mi nw Canby; Modoc National Forest, Hackamore 1463 Comment
  CHSC67141  Festuca rubra James D. Jokerst 1987-5-14 2876 Modoc Radar Survey Site S of Doublehead Mtn., S of Clear Lake Reservoir, E and adjacent to SW-NE oriented fence. 1348 Comment
  UCD66351  Festuca rubra L. Whitney 1935-7-7 Modoc Howard Gulch. Comment
  NY1101588  Floerkea proserpinacoides C. L. Hitchcock 1940-5-27 6696 Modoc 15 miles northeast of Alturas 1615 Comment
  CAS-BOT-BC214653  Fragaria virginiana Bruce Bartholomew; Barrett Anderson 1988-5-12 4089 Modoc 4 km NW of White Horse. 1350 Comment
  UCR34672  Frasera speciosa J. A. Harpel 1981-8-6 V 38 Modoc Warner Mtns, South Warner Wilderness Area: E end of Patterson Lake, 7 mi NW of Eagleville 2744 Comment
  UC22607  Fraxinus latifolia Milo S. Baker Jun 8 1893-Jun 25 1893 Modoc Egg Lake, Lava Bed side Egg Lake Comment
  UC615047  Fritillaria atropurpurea Beryl O. Schreiber 1934-6-10 1174 Modoc Warner Mountains, Lost Lake Lost Lake; Warner Mountains, Lost Lake Comment
  CAS-BOT-BC242105  Fritillaria atropurpurea Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16414 A Modoc Near sumit of Cedar Pass between Alturas and Cedarville. 1927 Comment
  RSA59801  Fritillaria atropurpurea E. K. Balls 1950-5-17 14735 Modoc Howards Gulch Public Camp, off Hwy. 139. N.W. of Canby. 1433 Comment
  SEINET8478733  Fritillaria atropurpurea M. J. Williams 1968-1 Modoc Comment
  CAS-BOT-BC242096  Fritillaria pudica Bruce Bartholomew 1993-4-3 6407 Modoc Adjacent to Turner Creek at County Rd 90, N end of Big Valley, 6.4 km N of Lassen County border. 1300 Comment
  CHSC75561  Fritillaria pudica V. H. Oswald; B. Corbin, A. Sanger, G. Schoolcraft 1999-6-12 9767 Modoc Soldier Creek Canyon adjacent to USFS 43N57 in the Warner Mtns. Northeast of Stough Reservoir Campground, north side of Hwy. 299, east side of Cedar Pass. 2072 Comment
  UCD139709  Fritillaria pudica R. N. Raynor 1940-4-13 s.n. Modoc Joseph Creek. Comment
  HSC15555  Fritillaria pudica M. T. Milligan 1964-4-25 Modoc 1 mi. up Barns Grade Rd. at stock pens Comment
  RSA367761  Fritillaria pudica Christopher Davidson 1973-5-26 2149 Modoc 1 mile N of Adin Summit on St. Hwy 299; Modoc Natl Forest 1524 Comment
  CAS-BOT-BC179876  Galeopsis tetrahit Herbert Louis Mason; Verne Grant 1947-7-12 13417 Modoc S end of W side road, Pit River Valley, S of Alturas. Comment
  CAS-BOT-BC225055  Galium aparine Bruce Bartholomew 1995-7-31 7125 Modoc 6.3 km from Forest Service road 46N30 on Forest Service road 45N34, W side of Warner Mountains. Along N fork of Davis Creek 1920 Comment
  RSA101360  Galium aparine R. Weatherby 1955-7-8 1623 Modoc 6 miles N of Ft. Bidwell. Northern Warner Mtns. 1738 Comment
  JEPS13238  Galium bifolium Rimo Bacigalupi 1955-7-19 5379 Modoc Forest rd. to Mill Cr. Ranger Station (just above and e of Soup Spr. Mdw., southern mts.); Warner Mts., Modoc Nat'l For. 2118 Comment
  CAS-BOT-BC225065  Galium glabrescens subsp. glabrescens Clare Butterworth Hardham 1961-6-18 7540 Modoc 3.2 mi. E of summit of Cedar Pass. Comment
  CAS-BOT-BC225069  Galium glabrescens subsp. modocense Bruce Bartholomew 1991-8-5 6071 Modoc Summit Trail between Squaw Peak and Cottenwood Lake along crest of Warner Mts. 2530 Comment
  UC1485930  Galium glabrescens subsp. modocense Gregg M. Riegel 1980-9-3 1138 Modoc 1/3 mi sw N Emerson Lake (below rock outcrop on talus slope); Modoc Nat. Forest, S Warner Mt. Wilderness Area 2475 Comment
  UC1736402  Galium grayanum var. nanum Dean W. Taylor 1989-8-5 10467 Modoc Warner Mountains; North Emerson Lake, cirque above the lake 2392 Comment
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Feb 1 2007
  JEPS6516  Galium mexicanum var. asperulum W. L. Jepson 1918-8-11 7943 Modoc Jess Valley 1584 Comment
  UC416661  Galium mexicanum var. asperulum Mrs. M. H. Manning 1904-7-9 488 Modoc John Henry Hill John Henry Hill (ne Modoc Co.) 2133 Comment
  UCSB17112  Galium serpenticum subsp. scotticum Hardham, Clare 1961-6-20 Modoc Mouth of Fine Creek Canyon, Warner Mountains Comment
  RSA185328  Gayophytum diffusum subsp. diffusum Clare B. Hardham 1961-6-21 7898 Modoc Warner Mountains: Lakeview-Plush Road, at head of Camas Creek Comment
  CAS-BOT-BC190846  Gayophytum diffusum subsp. parviflorum Bruce Bartholomew 1989-7-14 4948 Modoc ca. 8 km NE of Egg Lake and 2.5 km E of Survice Gulch. 1340 Comment
  SD135582  Gayophytum diffusum subsp. parviflorum B. Bartholomew 1989-7-14 4948 Modoc Ca. 8.0 km NE of Egg Lake and 2.5 km E of Survice Gulch. 1340 Comment
  CAS-BOT-BC190834  Gayophytum humile Alice Eastwood; John Thomas Howell 1940-6-13 8192 Modoc W side of Cedar Pass. Comment
  UC1191624  Gayophytum racemosum Herbert L. Mason and Verne Grant 1947-7-9 13310 a Modoc Cedar Pass Warner Range (summit of Range) 1920 Comment
  UC422804  Gayophytum racemosum Milo S. Baker Modoc near Lookout Comment
  NY999564  Gayophytum racemosum M. S. Baker 06 1893 s.n. Modoc Comment
  SEINET4153138  Gayophytum racemosum D. A. Charlet 1989-8-15 508 Modoc Warner Mountains, 1.2 km northwest of Eagle Peak 2550 Comment
  CHSC115697  Gentiana affinis var. ovata L. P. Janeway 2015-8-11 11832 Modoc Warner Mountains. East side of Squaw Peak a little above Squaw Peak Trail. 2483 Comment
  RSA0029456  Geranium oreganum Louis C. Wheeler 1935-8-2 3749 Modoc Warner Mountains: Twenty Mile Creek. 2195 Comment
  CAS-BOT-BC180076  Geranium viscosissimum Leland S. Smith 1924-6-29 1443 Modoc Happy Camp Ranger Station. Comment
  CAS-BOT-BC180078  Geranium viscosissimum John Thomas Howell 1934-6-11 11947 Modoc Parker Creek. 1584 Comment
  CAS-BOT-BC214663  Geum triflorum Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-14 16480 Modoc Along Lassen Creek on road to Davis Creek, Warner Mts. Comment
  CAS-BOT-BC214672  Geum triflorum K. Paulson; Robert Paulson 1988-6-19 52 Modoc Craig Springs. 1493 Comment
  CAS-BOT-BC214680  Geum triflorum K. Paulson; Robert Paulson 1989-7-2 159 Modoc Vicinity of Craig Spring, ca. 2 mi. NE of Happy Camp. 1447 Comment
  CHSC67129  Geum triflorum James D. Jokerst 1987-5-12 2844 Modoc Radar Survey Site S of Doublehead Mtn., N end of central sector. Vernal pools and margins of woods surrounding pools. Comment
  UCR131811  Geum triflorum George Willet 1935-6-25 s.n. Modoc Likely Mountains 1829 Comment
  UC465638  Geum triflorum M. F. Gilman 637 Modoc Comment
  CAS-BOT-BC190701  Gilia brecciarum subsp. brecciarum Leland S. Smith 1919-5-4 1085 Modoc Along Likeley road near Fitzhugh Creek. 1524 Comment
  SEINET201592  Gilia capillaris Arthur Cronquist, Athur H. Holmgren 1959-6-20 8522 Modoc Drying swale along intermittent streamlet at Cedarville Pass; Warner Mts. between Cedarville and Alturas 19 Comment
  NY964518  Gilia leptomeria var. micromeria B. M. Bartholomew 1989-6-2 4820 Modoc Sand dunes at the southeast corner of Upper Alkali Lake, east side of Surprise Valley 1400 Comment
  CAS-BOT-BC190668  Gilia sinistra subsp. sinistra Bruce Bartholomew 1991-7-4 5915 Modoc Road between Roney Flat and Miller Flat. 1630 Comment
  CAS-BOT-BC190670  Gilia sinistra subsp. sinistra Bruce Bartholomew 1991-7-6 5970 Modoc Service Gulch, 4.3 km W of County Road 91 on Forest Service road 42N03. 1330 Comment
  CAS-BOT-BC247692  Glyceria borealis John Thomas Howell 1934-7-2 12362 Modoc Near mouth of Willow Creek, NE side of Clear Lake. Comment
  UC1137158  Glyceria borealis August L. Hormay 1932-8-6 Modoc Comment
  HSC10085  Glyceria striata M. T. Milligan 1966-7-5 560 Modoc Slopes and ridges E of Jess Valley 1768 Comment
  CAS-BOT-BC49526  Gnaphalium palustre Bruce Bartholomew; Barrett Anderson 1989-6-3 4879 Modoc Boles Creek, ca. 5.5 km E of the SE corner of Clear Lake Reservoir. 1430 Comment
  JEPS33989  Gnaphalium palustre W. L. Jepson 1918-8-12 7951 Modoc Jess Valley 1584 Comment
  UC1192116  Gnaphalium palustre Verne Grant and Irving Schneider 1947-7-20 8100 Modoc by Dorris bridge; Pit River, North Fork, Alturas Comment
  HSC5710  Gnaphalium palustre M. T. Milligan 1964-8-21 230 Modoc S end of Dorris Reservoir Dam 1372 Comment
  JEPS6008  Gnaphalium palustre Frances D. Payne 1935-7-19 787 Modoc mouth of Dry Creek Warner Mountains, Parker Creek, Dry Creek (tributary of Parker Creek, s and e of Alturas) Comment
  CAS-BOT-BC229887  Gratiola heterosepala Bruce Bartholomew 1991-7-6 5975 Modoc Curtis Waterhole and adjacent lava outcrops. 1310 Comment
  CAS-BOT-BC95535  Grayia spinosa Bruce Bartholomew; Barrett Anderson 1989-4-29 4692 Modoc E side of Surprise Valley, just W of the Nevada border and ca. 15 km E of Cedarville. 1500 Comment
  UCD132466  Grindelia camporum E. K. Balls 1954-8-2 19715 Modoc in Botanic Garden, Prop. No. 8241. From 4.2 miles northeast of junction Highways 299 and 139, along highway 299 near Canby. 1371 Comment
  CAS-BOT-BC304880  Grindelia hirsutula L. S. Smith 1924-6-21 1507 Modoc Modoc National Forest. Egg Lake country Comment
  JEPS114665  Grindelia hirsutula Lowell Ahart, John Dittes 2008-8-21 15279 Modoc On the west side of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout 1273 Comment
  CDA13472  Grindelia nana G. F. Hrusa, T. D. Wilfred 1996-7-21 13319 Modoc Modoc Plateau; adjacent to Pit River at Modoc Co. Rd. 90 bridge. E base of Splawn Mtn. N end of Big Valley. Comment
  CHSC110972  Grindelia nana Lowell Ahart; John Dittes 2012-7-11 18337 Modoc On bottom of a gravel pit, north edge of the meadow, about 1/8 mile east of the parking area on the east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  CHSC115510  Grindelia nana L. P. Janeway 2014-7-8 11457 Modoc Modoc Plateau. East corner of Dry Creek Rim; along Road 47N08 (corral Creek Road) 3.1 road-km north-northwest of Road 48 (along the west edge of Goose Lake). 1650 Comment
  POM41632  Grindelia nana Mrs. R. M. Austin 1895-07 572 Modoc Goose Lake Valley. Comment
  RSA0059445  Grindelia nana M. S. Baker 1899-8-18 s.n. Modoc Little Hot Spring Valley Comment
  SEINET195672  Grindelia nana Annie M. Alexander, L Kellogg 1946-6-17 4998 Modoc Along road to Alturas and N to Davis Creek Warner Mountains Comment
  CAS-BOT-BC54092  Hackelia cusickii M. M. Hanna 1956-6-5 983 Modoc Cedar Pass. Comment
  POM299283  Hackelia cusickii Frances Payne 1932-6-10 s.n. Modoc Parker Creek 1646 Comment
  RSA293417  Hackelia cusickii Reino Alava 1957-7-6 1186 Modoc 2 miles west of Benton Meadows, Davis Creek Pass Road, Modoc Nat l Forest Comment
  RSA550544  Hackelia cusickii Bruce Bartholomew 1992-5-15 6296 Modoc N end of Surprise Valley, S of Cow Head Lake., 41 52 34N, 120 02 05W 1600 Comment
  UC573101  Hackelia cusickii F. H. Frost 1925-5-24 42 Modoc Steamboat Canyon; Warner Mountains 1767 Comment
  SBBG28840  Hackelia micrantha C. L. Hitchcock 1940-5-27 6691 Modoc 15 mi NE of Alturas 1615 Comment
  UC748456  Hackelia micrantha Annie M. Alexander and Louise Kellogg 1946-6-14 4764 Modoc Silver Creek branch of Patterson Mill Road 1828 Comment
  HSC3659  Hackelia micrantha M. T. Milligan 1967-7-8 668 Modoc E of Jess Valley 2134 Comment
  UC24815  Hackelia micrantha Milo S. Baker 1893-6 Modoc Medicine Lake Comment
  CHSC106342  Helianthus annuus Lowell Ahart; John Dittes 2010-8-30 17072 Modoc About 150 yards west of the fence, south edge of the meadow, Ash Creek State Wildlife Area, 2,300 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  JEPS114490  Helianthus annuus Lowell Ahart, John Dittes 2008-8-25 15313 Modoc On the east bank of the Pit River (flood plain), about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout 1273 Comment
  JEPS5938  Helianthus cusickii Frances D. Payne 1932-6-27 617 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  SEINET11196910 Image available Helianthus cusickii M. J. Williams, A. Tiehm 1988-6-2 88- 28 -5 Modoc Jess Valley, E of Likely, S of roadside rest Comment
  CAS-BOT-BC54063  Heliotropium curassavicum Elmer Ivan Applegate 1897-6-7 901 Modoc E side of Tule Lake. Comment
  CAS-BOT-BC49379  Hemizonella minima R. M. Austin 1894-8-1 Modoc Sugar Loaf Hill. Comment
  UC650533  Hemizonella minima Elmer I. Applegate 1936-5-18 10319 Modoc Bear Paw Cave Lava Beds National Monument Comment
  RSA0113964  Hemizonia lobbii Lowell A. Ahart, John Dittes 2008-8-25 15328 Modoc On the east side County Road 91, 3.9 miles (air) north-northeast of Lookout. 1276 Comment
  UC1191960  Heracleum lanatum Verne Grant and Irving Schneider 1947-7-21 8130 Modoc n. Alturas (N. Fork Pit R., by bridge on Hwy. 395); N. Fork Pit R. Comment
  UC748467  Heracleum lanatum Annie M. Alexander and Louise Kellogg 1946-7-12 4982 Modoc n.e. corner Modoc Co., Twelve Mile Creek Comment
  CDA35642  Heracleum maximum J. R. Keck Jr. 1985-7-11 PDR# 237698 Modoc Davis Creek, Modoc National Forest. Comment
  CAS-BOT-BC180045  Hesperochiron californicus L. A. M. Black 1894-4-1 109 Modoc Davis Creek. Comment
  CAS-BOT-BC180049  Hesperochiron californicus Bruce Bartholomew; M; M. Gilbert; L. E. Skog 1993-5-11 6492 Modoc Junction of Crowder Flat Road and the road to the N side of Big Sage Reservoir. 1580 Comment
  CAS-BOT-BC180050  Hesperochiron californicus E. H. Steffen 1917-6-20 49 Modoc Jess Valley. 1524 Comment
  UC26093  Hesperochiron californicus Mrs. R. M. Austin June 1894 Modoc lava beds w. Goose Lake Comment
  CAS-BOT-BC180033  Hesperochiron pumilus Mrs. H. C. Cantelow 1941-5-23 3479 Modoc Hwy 299 just E of Adin Pass Summit. 1576 Comment
  RSA0110965  Hesperochiron pumilus Bruce Bartholomew, B. Anderson 1988-5-12 4102 Modoc White Horse 1340 Comment
  CAS-BOT-BC179182  Hesperolinon micranthum B. Bartholomew; Barrett Anderson 1988-6-23 4224 Modoc 2.1 km SSE of Day on the road to State Highway 299. 1020 Comment
  UC1212251  Hesperolinon micranthum Herbert L. Mason 1946-7-13 13448 Modoc w end of pass near Goose Lake (on road to Ft. Bidwell); Fandango Pass Comment
  CAS-BOT-BC225798  Heuchera cylindrica Bruce Bartholomew; Barrett Anderson 1990-7-20 5493 Modoc 10.3 km N of Buck Creek Ranger Station, crest of Warner Mountains W side of Warner Mts. 2130 Comment
  NY541344  Heuchera cylindrica A. J. Cronquist 1959-6-19 8503 Modoc On north slope above Mill Creek, a little above Clear Lake; Warner Mountains, 15 miles east of Likely 1981.2 Comment
  NY541345  Heuchera cylindrica L. C. Wheeler 1935-8-7 3804 Modoc Pine Creek, Warner Mountains 1554.5 Comment
  UC748230  Heuchera cylindrica var. ovalifolia Annie M. Alexander and Louise Kellogg 1946-7-23 5042 Modoc e slope Emerson Peak; Warner Mountains Comment
  JEPS27160  Heuchera cylindrica var. ovalifolia Lauramay T. Dempster 1961-6-19 1702 Modoc headwaters of the South Fork of Davis Creek (e of Davis Creek (town)) 2286 Comment
  HSC80724  Heuchera rubescens G. M. Riegel 1980-7-31 981 Modoc S Warner Mtns. 1829 Comment
  HSC80725  Heuchera rubescens G. M. Riegel 1980-7-29 970 Modoc S Warner Mtns. 1739 Comment
  RSA504613  Hieracium albiflorum Bruce Bartholomew, B. Anderson 1988-7-21 4413 Modoc Whitehorse Mountains, 11 km N of Day on the road to Whitehorse Flat Reservoir. 1340 Comment
  UC565557  Hieracium albiflorum F. H. Frost 1925-7-24 Modoc Clear Lake Warner Mts. Comment
  UC748188  Hieracium albiflorum Annie M. Alexander and Louise Kellogg 1946-6-15 5117 Modoc Deep Creek Warner Mountains, Deep creek Comment
  HSC81134  Hieracium horridum G. M. Riegel 1979-8-25 692 Modoc South Warner Mtns. 1670 Comment
  UC32785  Hieracium nudicaule Milo S. Baker 1893-7-3 Modoc Comment
  CAS-BOT-BC49525  Hieracium scouleri Bruce Bartholomew; Barrett Anderson 1990-7-19 5418 Modoc Top of Hunters Ridge S of Rush Creek. 1960 Comment
  JEPS36591  Hieracium scouleri L. S. Smith 1917-7-18 836 Modoc Soldier Creek Modoc Forest, Warner Mts., Soldier Creek 1950 Comment
  RSA540061  Hieracium scouleri Bruce Bartholomew, B. Anderson 1990-7-19 5418 Modoc Top of Hunters Ridge south of Rush Creek. 1960 Comment
  UC1191965  Hippuris vulgaris Herbert L. Mason 1947-8-15 13561 Modoc spring leading into w. side Goose Lake (11 mi. from Davis Creek) Comment
  NY446368  Holosteum umbellatum G. Schoolcraft 1981-5-6 376 Modoc North of Alturas 1463.0 Comment
  HSC10152  Hordeum brachyantherum M. T. Milligan 1965-6-26 341 Modoc 1677 Comment
  HSC10159  Hordeum brachyantherum M. T. Milligan 1964-7-25 173 Modoc Pine Creek Basin, along trail. 2439 Comment
  JEPS114844  Hordeum brachyantherum subsp. brachyantherum Lowell Ahart, John Dittes 2008-6-21 15001 Modoc On dry bare soil, near a new man made shallow pond, mountain meadow, in Big Valley, about 3.3 miles (air) north of the Headquarters at Ash Creek State Wildlife Area, about 6.0 miles (air) northeast of Bieber 1260 Comment
  JEPS74020  Hordeum brachyantherum subsp. brachyantherum Frances D. Payne 1932-7-3 592 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  UC70672  Hordeum jubatum Mrs. M. H. Manning June 1903 404 Modoc North-Eastern Modoc County Comment
  CAS-BOT-BC247677  Hordeum marinum subsp. gussoneanum John H. Hatton 1911-6-12 45 Modoc unspecified Comment
  SBBG596  Hordeum marinum subsp. gussoneanum A. A. Beetle 1941-6-29 2839 Modoc near summit of Mt Adin 1828 Comment
  CAS-BOT-BC214716  Horkelia tridentata Bruce Bartholomew; Barrett Anderson 1989-6-3 4901 Modoc ca. 8 km WNW of Long Bell Ranger Station. 1350 Comment
  UC12373  Horkelia tridentata subsp. tridentata Milo S. Baker 1893-6-20 Modoc Comment
  CAS-BOT-BC179319  Hydrophyllum capitatum var. alpinum Leland S. Smith 1919-6-1 1107 Modoc Deep Creek Ranger Station above pasture. 1524 Comment
  CAS-BOT-BC179323  Hydrophyllum capitatum var. alpinum Bruce Bartholomew; Barrett Anderson 1988-5-12 4099 Modoc White Horse. 1340 Comment
  CAS-BOT-BC180022  Hydrophyllum capitatum var. alpinum Elmer Ivan Applegate 1932-8-2 8092 Modoc Mill Creek Meadows, western slope of Warner Mts. Comment
  HSC81071  Hydrophyllum capitatum var. alpinum G. M. Riegel 1980-6-25 768 Modoc S Warner Mtns. 1670 Comment
  SEINET3156124  Hydrophyllum capitatum var. alpinum E. K. Balls 1950-5-11 14627 Modoc 8.1 miles NE of Fort Bidwell, above Cow Head Lake, along 8 mile Creek. 1463 Comment
  UC1075750  Hydrophyllum capitatum var. alpinum Robert J. Weatherby 1955-7-7 1602 Modoc Dismal Swamp Warner Mountains (n Warner Mountains) 2240 Comment
  POM260002  Hydrophyllum capitatum var. alpinum C. L. Hitchcock 1940-5-27 6682 Modoc 15 miles northeast of Alturas. 1616 Comment
  CAS-BOT-BC179899  Hypericum anagalloides Bruce Bartholomew 1989-8-11 5101 Modoc Vicinity of Patterson Ranger Station, S end of Warner Mountains. 2160 Comment
  POM86682  Hypericum formosum var. scouleri Mrs. R. M. Austin 1895-07 177 Modoc Goose Lake Valley. Comment
  UC748355  Hypericum formosum var. scouleri Annie M. Alexander and Louise Kellogg 1946-7-13 4992 Modoc Eagleville, Eagle Creek Comment
  CAS-BOT-BC179895  Hypericum scouleri Bruce Bartholomew 1994-7-1 6772 Modoc Turner Creek adjacent to Forest Service road 42N21. 1470 Comment
  CAS-BOT-BC58402  Idahoa scapigera Bruce Bartholomew; Barrett Anderson 1989-4-30 4709 Modoc 0.8 km S of Centerville Rd. (Co. road 54) on road to Ralston Gulch (Co. road 77). 1400 Comment
  HSC26496  Idahoa scapigera J. P. Smith, J. O. Sawyer 1972-5-6 5268 Modoc Along Hwy. 299, 4 mi. W of Modoc County Rd. 58, E of Alturas 1494 Comment
  SFV10985  Iliamna bakeri J. Turner, F. M. Ball 1962-7-12 1188 Modoc Shortly below summit of Fandango Pass on east side. 1829 Comment
  UC932081  Iliamna bakeri Verne Grant and Alva Grant 1947-7-13 8019 Modoc Fandango Pass Warner Mountains Comment
  CAS-BOT-BC15178  Ionactis alpina Elmer Ivan Applegate 1932-8-1 8040 Modoc Arid summit of Warner Mts. S of Warren Peak. Comment
  UC449782  Ipomopsis aggregata W. P. Taylor and H. C. Bryant 1910-7-13 Modoc hea of N. Fork Parker Creek Warner Mtns 2225 Comment
  JEPS69741  Ipomopsis congesta subsp. montana Leland S. Smith 1918-8-27 1052 Modoc below Squaw Peak (Milk Creek); Modoc National Forest, Warner Mtns 2438 Comment
  SEINET4152116  Iris missouriensis C. L. Hitchcock 1940-5-28 6727 Modoc 15 miles north of Alturas 1402 Comment
  UC922441  Isoetes bolanderi Annie M. Alexander and Louise Kellogg 1948-9-21 5624 Modoc flat above Mineral Spr.; 1 mi SW top of grade bet. New Pine Creek and Fort Bidwell 2286 Comment
  SBBG8490  Iva axillaris H. and M. Dearing 1939-6-7 3576 Modoc E of Adin Comment
Read comments
Apr 21 2015
  JEPS86283  Ivesia baileyi var. beneolens Dean Wm. Taylor with Glenn Clifton 1990-6-25 11164 Modoc Cedar Pass Warner Mountains, Davis Creek 15' U.S.G.S. topographic map (n slope of Peak 7298) 2148 Comment
  CAS-BOT-BC214724  Ivesia gordonii Elmer Ivan Applegate 1932-8-1 8049 Modoc W slope of Warner Mts. near summit just S of Warren Peak. Comment
  UC1594787  Ivesia gordonii David Charlet 1989-8-21 582 Modoc 0.1 km w Eagle Peak; South Warner Mountains 3000 Comment
  CHSC100109  Juncus balticus L. P. Janeway; B. Castro 2008-8-16 9546 Modoc Modoc Plateau. Surprise Valley; east side of Middle Alkali Lake, south side of Hwy 299 10.5 km east of Cedarville. 1378 Comment
  CHSC117141  Juncus bufonius var. occidentalis Lowell Ahart; John Dittes 2016-7-14 21205 Modoc Strand of a new pond, south of Ash Creek Canal (now filled in), south of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of Cdounty Road 87, 1.73 miles (air) west of Adin, Big Valley. 1273 Comment
  JEPS67089  Juncus bufonius var. occidentalis W. L. Jepson 1918-8-7 7903 Modoc Summit Mt. Bidwell 2468 Comment
  CAS-BOT-BC245065  Juncus confusus Roxana Stinchfield Ferris; L. Lorraine 1941-8-14 10580 Modoc 3 mi. from Patterson Ranger Station on road to Eagleville. Comment
  UC1601861  Juncus ensifolius Baker and Nutting 1894-7-28 Modoc Bridge Creek Comment
  CAS-BOT-BC245055  Juncus hemiendytus var. hemiendytus Bruce Bartholomew 1993-6-14 6671 Modoc Vicinity of Badger Well. 1500 Comment
  UC1540127  Juncus luciensis Dean Wm. Taylor and Glenn L. Clifton 1987-6-24 9054 Modoc Egg Lake, extreme se portion of lakebed Egg Lake 1280 Comment
  UCD141620  Juncus nevadensis Verne Grant; Irving Schneider 1947-7-22 8149 Modoc Headwaters of North Fork of Pit River, one mile northwest of Highway 395 on dirt road leading to south end of Goose Lake. Comment
  UC1601791  Juncus nevadensis Baker and Nutting 1894-1 Modoc Comment
  RSA210799  Juncus torreyi Robert F. Thorne, James Henrickson, C. W. Tilforth 1969-9-4 39067 Modoc Near old margin of Goose Lake, SW shore of Goose Lake N of McGinty Point. 1433 Comment
  RSA577903  Juncus trilocularis L. C. Wheeler 1935-9-23 4001 Modoc Devils Garden: Pease Flat. 1524 Comment
  CAS-BOT-BC81210  Juniperus occidentalis John Thomas Howell 1934-6-16 12208 B Modoc Parker Creek, Warner Mts. 1584 Comment
  CAS-BOT-BC81212  Juniperus occidentalis Alice Eastwood; John Thomas Howell 1940-6-13 8120 Modoc Near Davis Creek Comment
  CHSC115481  Juniperus occidentalis L. P. Janeway 2014-7-8 11469 Modoc Modoc Plateau. East corner of Dry Creek Rim; along Road 47N08 (Corral Creek Road) 3.1 road-km north-northwest of Road 48 (along the west edge of Goose Lake). 1650 Comment
  HSC41118  Juniperus occidentalis Thomas W. Nelson, Jane P. Nelson, James Nelson 1976-8-29 3253 Modoc Modoc National Forest: along Hwy. 299 just NW of Adin Pass 1524 Comment
  UC55204  Juniperus occidentalis Milo S. Baker Modoc Forestdale Comment
  CAS-BOT-BC81207  Juniperus occidentalis P. Monnet 1913-1 s.n. (or 893 B) Modoc Warner's Range 2133 Comment
  POM337227  Juniperus occidentalis var. occidentalis F. R. Fosberg 1957-8-18 38855 Modoc Upper Rush Creek Camp Ground, northeast of Adin. 1600 Comment
  RSA67241  Juniperus occidentalis var. occidentalis Philip A. Munz 1951-9-14 16975 Modoc West base of Warner Mountains, 4.2 miles east of Likely 1418 Comment
  RSA604326  Kalmia polifolia subsp. microphylla L. C. Wheeler 1935-8-4 3776 Modoc Pine Creek, Warner Mts. 2210 Comment
  UC1075745  Kalmia polifolia subsp. microphylla Robert J. Weatherby 1955-7-7 1598 Modoc near Dismal Swamp (Mineral Spring); Warner Mountains, Mineral Spring 2331 Comment
  CAS-BOT-BC225087  Kelloggia galioides Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10521 Modoc Patterson Ranger Station (East Creek drainage). 2164 Comment
  CAS-BOT-BC247642  Koeleria macrantha Roxana Stinchfield Ferris; R. Duthie 1919-6-13 63 Modoc Above Parker Creek near Modoc National Forest boundary. Comment
  HSC10242  Koeleria macrantha R. C. Wunner 1965-6-26 280 Modoc Lava Beds National Monument, Blue Eyes Point. 1341 Comment
  UC60745  Koeleria macrantha M. S. Baker and Frank Nutting 1894-6-29 Modoc Big Valley Comment
  HSC81135  Lagophylla ramosissima G. M. Riegel 1980-8-6 995 Modoc South Warner Mtns. 1670 Comment
  SEINET11446760 Image available Lagophylla ramosissima M. J. Williams 1983-9-13 83- 151 -2 Modoc Along side of road from Alturas to Cedarville, 3.8 mi W of Cedar Pass, 6.7 mi from junction of Hwy 299 and Cedarville road 1554 Comment
  RSA59531  Lamium amplexicaule E. K. Balls 1950-5-20 14808 Modoc 2 mi. E. of South Fork Public Camp, along South Fork Pit River to Jess Valley. 1463 Comment
  POM72854  Lappula occidentalis var. occidentalis Mrs. R. M. Austin, Bruce 1898-07 2269 Modoc Goose Lake Valley. Comment
  POM72855  Lappula occidentalis var. occidentalis Mrs. R. M. Austin 1895-07 541 Modoc Goose Lake Valley. Comment
  CAS-BOT-BC54068  Lappula redowskii Bruce Bartholomew; Barrett Anderson 1989-6-2 4821 Modoc Sand dunes at the SE corder of Upper Alkali Lake, E side of Surprise Valley. 1400 Comment
  CAS-BOT-BC49452  Lasthenia glaberrima Bruce Bartholomew 1991-10-12 6110 Modoc Ash Creek, 1.8 km S of County Rd. 87 on County Rd. 87A. 1280 Comment
  UC157911  Lathyrus brownii Milo S. Baker 1893-1 Modoc Forestdale Comment
  RSA160015  Lathyrus nevadensis subsp. lanceolatus Clare B. Hardham 1961-6-19 7862 Modoc Pine Creek 1677 Comment
  RSA245208  Lathyrus pauciflorus subsp. brownii D. H. Norris, T. Nelson, S. Dowty, B. Norris 1971-6-23 19472 Modoc At Upper Rush Creek Campground about 8 miles north of Adin on Highway 299. Comment
  CAS-BOT-BC181974  Lathyrus rigidus R. M. Austin 1894-5-1 Modoc Goose Lake Valley. Comment
  UC15320  Lathyrus rigidus Mrs. R. M. Austin and Bruce May 1898 2216 Modoc Goose Lake Valley Comment
  UC89252  Layia glandulosa Mrs. R. M. Austin 1885-6-1 Modoc Joseph Creek Comment
  RSA8238  Ledum glandulosum Elmer I. Applegate 1932-8-7 8224 Modoc Just above Lily Lake, Bidwelll Pass, Warner Mts. Comment
  SJSU9609  Lemna minor W. Savage 1979-7-6 1383 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  CHSC115829  Lemna minuta Lowell Ahart; John Dittes 2015-7-17 20397 Modoc On the south side of Ash Creek, Ash Creek State Wildlife Area, about 3/4 mile south of county Road B7, about 2.7 miles (air) west of Adin, about 9.1 miles (air) northeast of Bieber. 1279 Comment
  UC1101298  Lemna turionifera Malcolm A. Nobs, S. Galen Smith 1949-5-30 775 Modoc w of Alturas (1/2 mi e of County Road 70 on County Road 54) Comment
  CAS-BOT-BC58667  Lepidium appelianum Bruce Bartholomew 1991-6-22 5851 Modoc E side of Surprise Valley, 8.3 km E of Eagleville. 1430 Comment
  CDA3795  Lepidium latifolium K. Wright 1965-8-25 Modoc Newell townsite, Tulelake. 0 Comment
  CAS-BOT-BC58347  Lepidium perfoliatum F. Angwin 1945-10-7 Modoc Big Valley near Adin. 1280 Comment
  CAS-BOT-BC12793  Lepidium perfoliatum Bellue 1933-6-23 s.n. Modoc Unspecified. Comment
  CDA3824  Lepidium perfoliatum Margaret Bellue 1933-6-23 Modoc 0 Comment
  RSA59543  Lepidium perfoliatum E. K. Balls 1950-5-10 14597 Modoc West shore Middle Lake, near Cedarville. 1402 Comment
  CAS-BOT-BC190632  Leptodactylon pungens Elmer Ivan Applegate 1932-7-9 7610 Modoc N slope of Bidwell Mountain. Comment
  UC23808  Leptodactylon pungens Milo S. Baker 1893-6 Modoc Comment
  SEINET5512248  Leptodactylon pungens var. hookeri J. C. Beatley 1964-1 Modoc Tule Lake area 1829 Comment
  RSA59581  Leptosiphon ciliatus Verne Grant, Alva Grant 1950-7-14 8948 Modoc near base of Cedar Mt. ridge, Warner Mts. 1982 Comment
  SJSU9700  Leptosiphon harknessii W. Savage 1979-7-10 1533 Modoc Oregon Rim Unit, Devils Garden District, Modoc National Forest 1645 Comment
  CAS-BOT-BC242084  Leucocrinum montanum Leland S. Smith 1917-5-21 1 Modoc West Valley and Jess Valley. 1524 Comment
  RSA26470  Leucophysalis nana Alice Eastwood, John T. Howell 1940-6-13 8191 Modoc West side of Cedar Pass. Comment
  RSA520450  Leucophysalis nana Bruce Bartholomew, B. Anderson 1990-7-20 5533 Modoc 3.4 Km NW of Tamarack Flat, E side of Warner Mts. 2130 Comment
  CAS-BOT-BC197454  Lewisia nevadensis E. S. Willits 1940-5-16 256 Modoc Willow Ranch. Comment
  CAS-BOT-BC197500  Lewisia nevadensis Leland S. Smith 1918-5-31 930 Modoc Little Grizzley Ranger Station, Lassen Creek. 1828 Comment
  HSC26493  Lewisia nevadensis J. P. Smith, J. O. Sawyer 1972-5-6 5262 Modoc FS road to Quail Spring at Hwy. 299, N of Adin 1463 Comment
  UC412640  Lewisia nevadensis Franklin P. Nutting Modoc Forestdale Comment
  HSC80771  Lewisia rediviva G. M. Riegel 1980-6-30 786 Modoc S Warner Mtns. 1829 Comment
  JEPS43175  Lewisia rediviva Frances D. Payne 1929-6-23 25 Modoc Parker Creek Warner Mountains, Parker Creek 1584 Comment
  CHSC112873  Lewisia rediviva var. rediviva L. P. Janeway; B. Castro 2014-6-2 11284 Modoc Great Basin. Along County Road 5 1.0 km west of the southwest corner of Cow Head Lake. 1627 Comment
  UCD64443  Leymus condensatus A. A. Beetle 1941-6-29 2841 Modoc 15 miles E of Alturas, on road to Cedarville Pass. 1371 Comment
  CAS-BOT-BC247629  Leymus triticoides Leland S. Smith 1920-7-4 1174 Modoc Alturas. Comment
  UC1037152  Leymus triticoides Leo Whitney 3412 Modoc near Lookout; Pit River Comment
  UC1037175  Leymus triticoides Leo Whitney 1935-8-18 3537 Modoc Alturas Comment
  CAS-BOT-BC21460  Ligusticum grayi Bruce Bartholomew; Barrett Anderson 1990-7-20 5509 Modoc Tamarack Flat, E side of Warner Mts. 2150 Comment
  RSA453850  Ligusticum grayi L. C. Wheeler 1935-8-16 3882 Modoc Warner Mountains: Dismal Swamp, Twenty Mile Creek. 2226 Comment
  CAS-BOT-BC436038  Ligusticum grayi Elmer I. Applegate 1932-8-5 8174 Modoc Warner Mts., craggy summit of Cedar Mountain Comment
  CAS-BOT-BC245037  Lilaea scilloides Louis Cutter Wheeler 1935-9-18 3991 Modoc Householder Reservoir, Devil's Garden. 1524 Comment
  CAS-BOT-BC242071  Lilium pardalinum subsp. shastense Bruce Bartholomew; Barrett Anderson 1988-7-21 4438 Modoc Above Upper Rush Creek Campground ca. 4 km E of State Highway 299 between Adin and Canby. 1580 Comment
  CAS-BOT-BC242075  Lilium pardalinum subsp. shastense Leland S. Smith 1924-6-29 1440 Modoc Happy Camp Ranger Station meadow. Comment
  CAS-BOT-BC238353  Limosella aquatica John Thomas Howell 1934-6-13 12092 Modoc 2 1/2 miles s. of Eagleville Comment
  CAS-BOT-BC498675  Linanthus Clare B. Hardham 1961-6-18 s.n. Modoc Warner Muntains. Cedar Pass Comment
  CAS-BOT-BC198049  Linanthus ciliatus Barrett Anderson 1986-7-10 3189 Modoc West Warner Rd. N of the North Fork of Pine Creek. 1965 Comment
  CAS-BOT-BC198050  Linanthus ciliatus Bruce Bartholomew; Barrett Anderson 1988-6-23 4271 Modoc 4.0 km W of Day on County Road 94. 1340 Comment
  CAS-BOT-BC198033  Linanthus harknessii Alice Eastwood; John Thomas Howell 1940-6-14 8222 Modoc 8 mi. NW of Canby. Comment
  CAS-BOT-BC198041  Linanthus harknessii Bruce Bartholomew; Barrett Anderson 1990-7-19 5414 Modoc Top of Hunters Ridge S of Rush Creek. 1960 Comment
  UC629053  Linanthus nuttallii subsp. nuttallii Louis C. Wheeler 1935-8-5 3789 Modoc Little Lily Lake Warner Mts., Pine Creek 2286 Comment
  POM260728  Linanthus pungens subsp. pulchriflorus Alice Eastwood, J. T. Howell 1940-6-12 8048 Modoc Between Likely and Jess Valley. Comment
  UC1178810  Linanthus septentrionalis Herbert L. Mason 1946-7-13 13453 Modoc Fandango Pass Warner Mountains Comment
  CDA37693  Linaria dalmatica Robin Breckenridge 2005-6-18 s.n. Modoc New Pine Creek, along Highway 395 near California/Oregon border. 0 Comment
  UCD123895  Linaria dalmatica subsp. dalmatica T. C. Fuller 1963-8-27 11168 Modoc old saw mill site, Sugar Hill Planting, Lassen Creek, ca. 6 miles southeast of Willow Ranch. Comment
  CDA6362  Linaria genistifolia subsp. dalmatica T. C. Fuller 1963-8-27 11171 Modoc Sugar Hill Planting, Lassen Creek, ca. 6 miles southeast of Willow Ranch. 0 Comment
  CDA6353  Linaria genistifolia subsp. dalmatica T. C. Fuller, W. T. Parsons 1960-7-27 4875 Modoc Lassen Creek, near Sugar Hill Planting. 0 Comment
  CDA6366  Linaria vulgaris T. C. Fuller 1960-7-27 4876 Modoc Lassen Creek, near Sugar Hill Planting. 0 Comment
  CAS-BOT-BC179156  Linum lewisii John Thomas Howell 1934-6-11 11933 Modoc Parker Creek. 1584 Comment
  CAS-BOT-BC179166  Linum lewisii B. Bartholomew 1991-5-25 5758 Modoc Turner Creek at County Rd. 90, N end of Big Valley, 6.4 km N of Lassen County line. 1230 Comment
  CAS-BOT-BC179168  Linum lewisii John Thomas Howell 1934-6-11 11933 Modoc Parker Creek. 1584 Comment
  UC17254  Linum lewisii Milo S. Baker 1893-6 Modoc Lava Beds Comment
  CHSC109495  Linum lewisii var. lewisii L. P. Janeway; B. Castro 2012-7-26 11010 Modoc Warner Mountains. Top of Yellow Mountain; topmost part and wster edge (at the edge of a steep dropoff to the northwest). 2463 Comment
  CHSC112754  Linum lewisii var. lewisii Lowell Ahart; John Dittes 2013-7-25 18948 Modoc Meadow, 10 yards north of the east-west fence, south edge of Ash Creek Floodplain, northeast of Patterson Homestead, east of Elkins Lane, 1.0 mile (air) south of County Road 87, 3.14 miles (air) west of Adin, Big Valley. 1267 Comment
  CAS-BOT-BC242177  Listera convallarioides C. C. (Mrs.) Bruce 1898-1-1 s.n. Modoc Field redacted by CAS, contact the data manager for more information Comment
  CAS-BOT-BC225813  Lithophragma glabrum Robert J. Weatherby 1955-7-7 1601 Modoc Dismal Swamp, northern Warner Mts. 2240 Comment
  CAS-BOT-BC225821  Lithophragma glabrum Bruce Bartholomew; Mona Bourell 1990-4-26 5162 Modoc N end of Big Valley, 4.7 km N of Lookout on County Rte 90. 1270 Comment
  JEPS27156  Lithophragma glabrum Lauramay T. Dempster 1961-6-19 1705 Modoc e Davis Creek (town) (headwaters of the South Fork of Davis Creek); headwaters of South Fork of Davis Creek 2286 Comment
  CAS-BOT-BC225829  Lithophragma parviflorum Bruce Bartholomew 1991-6-20 5792 B Modoc Fox Mountain Spring, ca. 10 km NW of Adin. 1620 Comment
  RSA59724  Lithophragma parviflorum E. K. Balls 1950-5-18 14750 Modoc N of Upper Rush Creek Public Camp; 2.5 mi. east from Hwy. 299 1738 Comment
  UC71789  Lithophragma parviflorum Mrs. M. H. Manning 1893-2 105 Modoc near Fort Bidwell (north-eastern Modoc County) Comment
  CAS-BOT-BC54074  Lithospermum ruderale John Thomas Howell 1934-6-11 11962 Modoc Parker Creek, Warner Mountains 1584 Comment
  POM126233  Lithospermum ruderale Franklin P. Nutting s.n. Modoc Forestdale. Comment
  CAS-BOT-BC21447  Lomatium bicolor var. leptocarpum R. L. Ward 1976-5-18 s.n. Modoc Pine Spring. 1508 Comment
  CAS-BOT-BC21451  Lomatium bicolor var. leptocarpum Bruce Bartholomew; Barrett Anderson 1988-6-23 4291 Modoc S side of Egg Lake, ca. 1.5 km W of the Burlington Northern railroad track. 1300 Comment
  SEINET3081247 Image available Lomatium bicolor var. leptocarpum Arnold Tiehm 1984-6-30 8838 Modoc NW side of Bidwell Mt., 2.2 road miles north of 8 mile creek on the road from Lake Annie 1844 Comment
  UC1563876  Lomatium bicolor var. leptocarpum Barbara Ertter 1989-5-2 8432 Modoc on Hwy. 395 n.e. of Alturas (2.9 mi. n. of junction to Cedarville (Rt. 299)) 1402 Comment
  RSA565027  Lomatium canbyi Wm. Taylor 1992-3-16 12329 Modoc Ca. 1 mile SW of southern end Duncan Reservoir (ca. 1.5 air mile E of Amborse) 1494 Comment
  CAS-BOT-BC30166  Lomatium dissectum var. multifidum John Thomas Howell 1934-6-13 12072 Modoc Fandango Pass. 1828 Comment
  CAS-BOT-BC30128  Lomatium foeniculaceum subsp. macdougalii James Vale 1980-6-9 s.n. Modoc Ridge from Stowe Road, Cedar Pass, Warner Mtns. Comment
  NY1160601  Lomatium leptocarpum A. Tiehm 1984-7-30 8827 Modoc 8.9 road miles NE of Ft. Bidwell on the main road to Adel, just past the road summit. 1615 Comment
  SEINET230255  Lomatium leptocarpum Arnold Tiehm 1984-7-30 8827 Modoc 8.9 road miles NE of Ft. Bidwell on the main road to Adel just past the road summit 1615 Comment
  UC1736609  Lomatium nevadense var. nevadense Dean Wm. Taylor with Glenn L. Clifton 1990-6-25 11168 Modoc Cedar Pass, growing on steep cliffs of volcanic breccia, northerly slopes of Peak 7298 2148 Comment
  HSC21525  Lomatium nevadense var. parishii Robert C. Wunner 1965-6-10 141 Modoc Lava Beds N.M., E side of Caldwell Butte above Caldwell minor 1463 Comment
  UC20792  Lomatium nudicaule Mrs. R. M. Austin and Bruce June 1898 2287 Modoc Goose Lake Valley Comment
  CAS-BOT-BC15728  Lomatium piperi Leland S. Smith 1920-7-14 1196 Modoc Grizzleys, Long Meadows 1402 Comment
  UC1562720  Lomatium triternatum var. macrocarpum Barbara Ertter 1988-6-18 7645 Modoc Adin Summit on Hwy,. 299 n. Adin; Adin Summit 1584 Comment
  CAS-BOT-BC21404  Lomatium triternatum var. triternatum Alice Eastwood; John Thomas Howell 1940-6-11 8030 Modoc 8 mi. from Canby on road to Alturas. Comment
  CAS-BOT-BC21427  Lomatium triternatum var. triternatum B. J. Cox; P. Gillian 1971-6-3 2613 Modoc 6 mi. N of Alturas on Hwy 395. 1341 Comment
  OBI8886  Lomatium vaginatum Lincoln Constance, Emil DiFulvio 1962-4-16 3750 Modoc 3.2 mi N of Likely 1311 Comment
  UC643300  Lomatium vaginatum Alice Eastwood and John Thomas Howell 1940-6-11 8023 Modoc 8 mi. from Canby on rd. to Alturas Comment
  UC1187700  Lomatium vaginatum Tracey and Viola Call 1961-5-30 2052 Modoc Lassen--Modoc Co. Line, near Hwy 395 1676 Comment
  CAS-BOT-BC95172  Lonicera involucrata var. involucrata Bruce Bartholomew 1989-8-12 5121 Modoc South Fork of Pine Creek where it crosses West Warner Road, W side of Warner Mountains. 1900 Comment
  CAS-BOT-BC181967  Lotus corniculatus Bruce Bartholomew 1989-8-10 5030 Modoc Little Hot Spring Valley, 3.2 km NW of Day. 1070 Comment
  CAS-BOT-BC181957  Lotus denticulatus Milo Samuel Baker; Franklin P. Nutting 1894-6-8 Modoc Near Egg Lake. Comment
  RSA520357  Lotus denticulatus Bruce Bartholomew 1989-6-3 4913 Modoc 5 km W of County Route 91 along the N side of the Pit River. 1340 Comment
  UC1191609  Lotus humistratus Herbert L. Mason and Verne Grant 1947-7-10 13332 Modoc 2 mi e Alturas; Dorris Reservoir Comment
  RSA503051  Lotus nevadensis Bruce Bartholomew, B. Anderson 1988-6-23 4227 Modoc 2.1 km SSE of Day on the road to State Highway 299. 1020 Comment
  CAS-BOT-BC181939  Lotus purshianus var. purshianus Bruce Bartholomew 1991-7-4 5897 Modoc S end of Higgins Flat. 1370 Comment
  CAS-BOT-BC181943  Lotus purshianus var. purshianus Bruce Bartholomew 1989-7-14 4962 Modoc Survice Gulch ca. 3 km NE of Egg Lake. 1340 Comment
  RSA210839  Lotus unifoliolatus Robert F. Thorne, James Henrickson, C. W. Tilforth, K. Thorne 1969-9-4 39066 Modoc Near old margin of Goose Lake, SW shore of Goose Lake N of McGinty Point. 1433 Comment
  RSA27896  Lotus unifoliolatus R. M. Austin 1895-06 298 Modoc Goose Lake Valley. Comment
  CAS-BOT-BC181935  Lupinus C. P. Smith 1947-6-13 47459 Modoc Highway 395, Pine Creek (town), 6.2 mi. S. Comment
  RSA318941  Lupinus Patricia Wilder 1971-6-20 5091 Modoc North part of Egg Lake (now a meadow), northwest of Lookout; north of Bieber and California State Highway 299; Modoc National Forest. Cascades Mt. Range. 1372 Comment
  CAS-BOT-BC181912  Lupinus arbustus Betty J. Hammerly 1941-6-20 34 Modoc Clear Lake. 1767 Comment
  JEPS64953  Lupinus arbustus Frances D. Payne 1932-6-22 574 Modoc s and e Alturas; Warner Mountains, Parker Creek Comment
  JEPS65312  Lupinus arbustus Leland S. Smith 1918-8-22 1048 Modoc Ridge above Bear Mt. (Modoc Forest); Warner Range, Modoc Forest Comment
  UC201905  Lupinus arbustus Franklin P. Nutting June, 1894 Modoc Big Valley; Lassen and Modoc Co. Comment
  NY732856  Lupinus arbustus subsp. calcaratus A. M. Alexander 1946-7-17 5004 Modoc Near Benton Meadow, Warner Mountains 2073 Comment
  NY732853  Lupinus arbustus subsp. calcaratus R. M. Austin 06 1898 2146 Modoc Comment
  CAS-BOT-BC182188  Lupinus argenteus Gordon H. True 1964-6-3 1427 Modoc About 5 mi. N of Cedarville, Surprise Valley. 1463 Comment
  CAS-BOT-BC182218  Lupinus argenteus H. P. Bracelin 1931-6-30 500 Modoc S end of Alturas. 1524 Comment
  CAS-BOT-BC182224  Lupinus argenteus C. B. Wolf 1931-9-4 2398 Modoc Canby. Comment
  UCD106685  Lupinus argenteus Craig Ely 1975-7-10 s.n. Modoc 30 miles s.e. of Tulelake. Comment
  RSA91210  Lupinus argenteus var. argenteus H. P. Bracelin 1931-6-30 500 Modoc Alturas, south end of town. 1524 Comment
  CAS-BOT-BC182082  Lupinus argenteus var. heteranthus Alice Eastwood; John Thomas Howell 1940-6-13 8124 Modoc Near Davis Creek. Comment
  CAS-BOT-BC182100  Lupinus argenteus var. heteranthus Elmer Ivan Applegate 1929-6-25 5905 Modoc Willow Ranch, Goose Lake Valley. Comment
  CAS-BOT-BC182117  Lupinus argenteus var. heteranthus Annie Montague Alexander; L. Kellogg 1946-6-12 4739 Modoc Fandango Pass road. 1706 Comment
  JEPS65015  Lupinus argenteus var. heteranthus Leland S. Smith 1918-6-20 974 Modoc Lily Lake Warner Mts., Pine Creek (Lily Lake) (Pine Creek) 1981 Comment
  CAS-BOT-BC181894  Lupinus bicolor Bruce Bartholomew 1995-5-12 6896 Modoc SW flank of White Horse Mountains between Day and Day Rock. 1210 Comment
  SEINET6654510  Lupinus brevicaulis Margaret J. Williams, Arnold Tiehm; Jan Nachlinger 1988-6-2 88- 28 -3 Modoc Jess Valley, E of Likely, So of roadside rest.; 0 Comment
  SEINET10936588  Lupinus caudatus subsp. caudatus David B. Dunn, Billy Joe Cox; Lewis S. Fleak 1970-6-8 Dunn 16944 Modoc 5 mi. S of pine creek on us hwy 395 e of goose lake; on clay road cut in Grassland. Comment
  POM10923  Lupinus densiflorus var. densiflorus M. S. Baker 1898-5-7 34 Modoc Taylor Mountain. Comment
  CAS-BOT-BC181886  Lupinus latifolius Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16403 Modoc Thoms Creek, 6.1 mi. E of Hwy 299, on Cedar Pass Rd. Comment
  RSA271924  Lupinus latifolius var. barbatus Christopher Davidson 1975-6-4 s.n. Modoc 0.4 miles E of Hwy 395 on Hwy 299 toward Cedarville. 1380 Comment
  UC201975  Lupinus latifolius var. viridifolius Mrs. M. H. Manning Aug. 1914 Modoc on Cedarville and Alturas Road 8 mi below Summit Warner Mts.; , below Summit on Cedarville and Alturas Rd. Comment
  SEINET195683  Lupinus laxiflorus var. calcaratus Annie M. Alexander, Louise Kellogg 1946-7-22 5038 Modoc End of road at Bear Camp Flat, Warner Mountains. 2286 Comment
  CHSC112821  Lupinus lepidus var. confertus Lowell Ahart; John Dittes 2013-7-25 18966 Modoc About 10 yards west of the north-south fence, south edge of Ash Creek Floodplain, northwest of Patterson Homestead, east of Elkins Lane, 1.0 mile (air) south of County Road 87, 3.14 miles (air) west of Adin, Big Valley. 1267 Comment
  UCD108243  Lupinus lepidus var. confertus Craig Ely 1975-7-10 s.n. Modoc 30 miles s.e. of Tulelake. Comment
  UCR35564  Lupinus lepidus var. lobbii J. A. Harpel 1981-8-7 V- 56 Modoc Warner Mtns, South Warner Wilderness Area: on the pass above Patterson Lake along the Summit trail, 7 mi NW of Eagleville 2774 Comment
  JEPS48839  Lupinus lepidus var. sellulus Leland S. Smith 1924-6-9 1371 Modoc Egg Lake Ranch Modoc Forest; , Egg Lake Ranch 1310 Comment
  CAS-BOT-BC181852  Lupinus leucophyllus Alice Eastwood; John Thomas Howell 1940-6-14 8207 Modoc Canby. Comment
  UC199285  Lupinus microcarpus var. densiflorus M. F. Gilman 562 Modoc Comment
Read comments
Jan 12 2007
  UC726491  Lupinus microcarpus var. densiflorus A. A. Heller 1941-6-25 16197 Modoc on the Cedarville rd a short distance e junction with U.S. Highway 395 Comment
  CAS-BOT-BC181836  Lupinus microcarpus var. microcarpus Margaret J. Williams; Thad Holcomb; Betty Holcomb; L. Saxton 1988-5-28 88- 24 -1 Modoc Grad up to Crowder Flat from Hwy 229, W of Alturas. Top of steep bank by road. Comment
  CAS-BOT-BC181844  Lupinus microcarpus var. microcarpus Harry Dwight Dillon Ripley; Rupert Charles Barneby 1944-5-31 5988 Modoc NW of Alturas. 1371 Comment
  NY747607  Lupinus polyphyllus var. saxosus B. M. Bartholomew 1993-5-13 6530 Modoc Just west of Forest Service on Parker Creek Road between Alturas and Pepperdine 1520 Comment
  RSA60328  Lupinus ruber E. K. Balls 1950-5-10 15965 Modoc 0.5 miles past fork of 395 and road to Cedarville, from Alturas. 1585 Comment
  CAS-BOT-BC181820  Lupinus saxosus Edward Kent Balls 1950-5-20 14805 Modoc 3.3 mi. above South Fork Public Camp, South Fork Pit River on way to Jess Valley. 1463 Comment
  SEINET10838289  Lupinus saxosus Billy Joe Cox, David B. Dunn 1971-6-3 Cox 2617 Modoc 4 mi s of davis creek on u.s. Hwy. 395; In very mesic grassland-sedge meadow; Lupines very sparse and approximately a week or more behind the flowering of Those near alturas. 1402 Comment
  SEINET10871089  Lupinus saxosus Duane Isely, I. Isely 1971-7-11 Isely 11377 Modoc Adjacent to state hwy. 139, Q mi s of adin summit. Steep, rocky slope with Juniper, sagebrush, and ponderosa pine; abundant, but well past blooming. 1463 Comment
  RSA325721  Lupinus subvexus var. subvexus A. Tiehm 8833 Modoc North edge of Lake Annie on the west side of Bidwell Mt., NE of Ft. Bidwell. 1530 Comment
  UC1036056  Luzula comosa var. laxa Annie M. Alexander and Louise Kellogg 1946-7-2 4896 Modoc Dismal Swamp north end Warner Mts 2255 Comment
  RSA29709  Lycium barbarum Louis C. Wheeler 1935-10-10 4033 Modoc Alturas. 1357 Comment
  SD64370  Lycopus lucidus D. F. Howe 1966-8-26 4304 Modoc 1.3 Mi N of Modoc-Lassen Copunty Line, east of Warner Mts. 1341 Comment
  CDA34732  Lythrum tribracteatum L. Ahart, John Dittes 2010-8-3 17055 Modoc About 10 yards west of the fence, south edge of the meadow, Ash Creek State Wildlife Area, 2300 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. Comment
  HSC100750  Lythrum tribracteatum Lowell Ahart, John Dittes 2010-8-30 17055 Modoc N side of wash ~10 yd. W of fence, S edge of meadow in the Ash Creek State Wildlife Area, 2,300 ft. N of Lassen Co. line, 3.6 (air) mi. W of Adin and 8 (air) mi. NE of Bieber, Big Valley. 1268 Comment
  CAS-BOT-BC342651  Madia citriodora David D. Keck; J. Clausen 1935-6-24 3714 Modoc 3 mi. northeast of Willow Ranch, east of Goose Lake 1550 Comment
  RSA149123  Madia elegans subsp. vernalis I. L. Wiggins, Dorothy Wiggins 1961-6-16 16526 Modoc 4.6 miles north of Adin Comment
  CAS-BOT-BC49436  Madia exigua John Thomas Howell 1934-7-1 12325 Modoc Duncan Horse Camp, 6 mi. E of Perez. 1355 Comment
  POM203071  Madia exigua J. T. Howell 1934-7-1 12325 Modoc Duncan Horse Camp Comment
  CAS-BOT-BC49403  Madia glomerata John Thomas Howell 1934-7-3 12375 Modoc 5 mi. S of Hackamore. Comment
  POM203072  Madia glomerata J. T. Howell 1934-7-3 12375 Modoc 5 miles S of Hackamore Comment
  UCD134271  Madia glomerata Herbert L. Mason 1947-8-9 13483 Modoc on east side of Fairchild Swamp, north of Alturas. Comment
  CAS-BOT-BC49416  Madia gracilis Bruce Bartholomew 1989-7-14 4938 Modoc Along Rush Creek between Lower and Upper Rush Creek Campgrounds. 1580 Comment
  UC748166  Madia gracilis Annie M. Alexander and Louise Kellogg 1946-7-10 4956 Modoc Eight Mile Creek Eight Mile Creek (ne corner of county) 1752 Comment
  CAS-BOT-BC242034  Maianthemum racemosum Bruce Bartholomew 1989-7-14 4981 Modoc Vicinity of Upper Rush Creek Camp Ground. 1580 Comment
  POM204106  Maianthemum racemosum subsp. amplexicaule J. T. Howell 1934-6-11 11954 Modoc Parker Creek, Warner Mts. 1585 Comment
  CAS-BOT-BC242164  Maianthemum stellatum Alice Eastwood; John Thomas Howell 1940-6-12 8055 Modoc Between Likely and Jess Valley. Comment
  UCD139122  Maianthemum stellatum Verne Grant; Irving Schneider 1947-7-22 8141 Modoc North Fork of Pit River on Highway 395, about one mile north of junction with Cedarville road. Comment
  SEINET12049321  Maianthemum stellatum R. M. Austin 1895-1 s.n. Modoc no further locality Comment
  CAS-BOT-BC30189  Marsilea oligospora D. Toren; Barbara Trowbridge 1975-6-21 5313 Modoc In Boles Creek, between Crowder Flat and Clear Lake. 975 Comment
  JEPS94718  Marsilea oligospora Vernon H. Oswald and Lowell Ahart 1998-9-8 9597 Modoc Mosquito Lake Whitehorse Flat Reservoir (n side of reservoir, ca. 20 air mi n of McArthur) 1341 Comment
  UC803938  Marsilea oligospora G. L. Stebbins Jr. with P. Dansereau, C. McMillan, and K. Narayan 1949-8-7 4013 Modoc 35 mi s Tule Lake (Mud Lake) 1524 Comment
  CHSC100363  Medicago lupulina Lowell Ahart; John Dittes 2008-8-26 15347 Modoc On the bottom of Rose Creek, 250 feet southwest of confluence of Rose Creek and Pit River, on the northwest side of unnamed road, 3160 feet east of intersection with County Road 85a, 9.3 miles (air) north-northeast of Lookout. 1276 Comment
  JEPS65520  Medicago lupulina Frances D. Payne 1931-6-17 178 Modoc s and e of Alturas (Warner Mountains, Parker Creek); Warner Mountains, Parker Creek 1584 Comment
  JEPS74032  Melica bulbosa Frances D. Payne 1932-7-1 663 Modoc 2 mi sw Mt. Warren (se Modoc County); Pine Creek Basin 2316 Comment
  HSC29816  Melica fugax D. H. Norris, P. Nelson, S. Dowty 1971-6-22 19320 Modoc Soup Springs Campground. Comment
  UCD88622  Melica subulata August L. Hormay 1932-7-17 s.n. Modoc Lily Lake. Comment
  HSC15013  Melilotus officinalis Fred J. Kindel 1955-6-23 Modoc Pitt River Comment
  SD113590  Melilotus officinalis Darley F. Howe 1964-8-2 3926 Modoc Vacant lot, Alturus Comment
  UC1191908  Mentha canadensis Herbert L. Mason 1947-8-12 13505 Modoc junction of North and South Forks of Pit River Alturas; jct of North and South Forks of Pit River Comment
  CAS-BOT-BC179132  Mentzelia dispersa R. M. Austin; C. C. (Mrs.) Bruce 1898-6-1 2368 Modoc Goose Lake. Comment
  HSC15866  Mentzelia dispersa M. T. Milligan 1965-6-30 402 Modoc Slopes and ridges E of Jess Valley. 1768 Comment
  JEPS46263  Mentzelia dispersa F. H. Frost 1925-7-20 90 Modoc 2 mi above Cedarville; Cedar Camp Comment
  JEPS86352  Mentzelia dispersa Jack and Betty Guggolz 1988-6-28 961 Modoc n Jenkins Spring Comment
  UC1075755  Mentzelia dispersa Robert J. Weatherby 1955-7-8 1611 Modoc 7 mi n Ft. Bidwell; Northern Warner Mts.,Northern Juniper Woodland 1874 Comment
  RSA0121878  Mentzelia dispersa J. T. Howell 1934-6-12 12042 Modoc North side of Fandango Valley. Comment
  RSA518559  Mentzelia laevicaulis George K. Helmkamp 1990-9-23 H- 6 Modoc US Hwy 395, 13 mi. N of Likely. 1341 Comment
  CAS-BOT-BC179119  Mentzelia montana Bruce Bartholomew; Barrett Anderson 1989-6-2 4822 Modoc Sand dunes at the SE corder of Upper Alkali Lake, E side of Surprise Valley. 1400 Comment
  CAS-BOT-BC179123  Mentzelia montana Annie Montague Alexander; L. Kellogg 1946-7-7 4946 Modoc Eight Mile Creek. 1752 Comment
  CAS-BOT-BC179111  Mentzelia veatchiana Bruce Bartholomew 1990-6-17 5334 Modoc Surprise Valley, at the W side of Middle Alkali Lake, directly E of Cedarville. 1370 Comment
  CAS-BOT-BC54045  Mertensia ciliata Bruce Bartholomew; Barrett Anderson 1988-6-24 4301 Modoc Road beyond Poison Lake ca. 8 km S of the road from U.S. Highway 395 to Lily Lake, Warner Mts.. 2130 Comment
  RSA149068  Mertensia ciliata var. stomatechoides I. L. Wiggins, Dorothy Wiggins 1961-6-14 16479 Modoc Along Lassen Creek along road to Davis Creek, Warner Mountains. Comment
  CAS-BOT-BC54046  Mertensia cusickii Bruce Bartholomew 1990-6-16 5272 Modoc Rock outcrops between roadhead and Pine Creek Basin, W side of Warner Mountains. 2160 Comment
  CAS-BOT-BC54001  Mertensia longiflora Francis Dorris Payne 1932-5-27 408 Modoc Parker Creek. 1584 Comment
  CAS-BOT-BC54025  Mertensia oblongifolia var. oblongifolia Bruce Bartholomew 1992-5-15 6300 Modoc Tamarack Flat, E side of the Warner Mountains. 2160 Comment
  CAS-BOT-BC58777  Mertensia oblongifolia var. oblongifolia Bruce Bartholomew 1992-5-15 6301 Modoc Tamarack Flat, E side of the Warner Mountains. 2160 Comment
  CAS-BOT-BC58780  Mertensia oblongifolia var. oblongifolia Bruce Bartholomew 1992-5-15 6309 Modoc Upper end of Pleasants Canyon, W side of Warner Mountains. 1930 Comment
  RSA165570  Mertensia oblongifolia var. oblongifolia Clare B. Hardham 1961-6-18 7594 Modoc Warner Mountains: Headwaters Davis Creek 2134 Comment
  UCR267412  Micranthes integrifolia Jim Andre, Glenn L. Clifton 1993-6-12 29996 Modoc Warner Mountains, Cedar Pass, Hwy 299, Modoc National Forest 1919 Comment
  CAS-BOT-BC225953  Micranthes nidifica Bruce Bartholomew; Barrett Anderson 1988-5-12 4121 Modoc S side of Egg Lake, ca. 1.5 km W of the Burlington Northern railroad track. 1300 Comment
  CAS-BOT-BC95552  Micromonolepis pusilla Bruce Bartholomew; M. Gilbert; L. Skog 1993-5-10 6462 Modoc Near Eagleville Airport, E side of Surprise Valley. 1400 Comment
  CAS-BOT-BC49392  Microseris laciniata subsp. laciniata Leland S. Smith 1924-6-8 1382 Modoc Egg Lake near SW corner in meadow. 1341 Comment
  CHSC85104  Microseris laciniata subsp. laciniata John Dittes; Josephine Guardino 1991-7-21 410 Modoc Modoc Plateau; Big Valley; Ash Creek Wildlife Area; ca. 5.7 air-miles northeast of Bieber, ca. 7.6 air-miles west of Adin, ca. 1.5 air-mile southeast of Pilot Butte summit; meadow at northern edge of Ash Creek Floodplain (Big Swamp) at southeast base of Pilot Butte. 1258 Comment
  CAS-BOT-BC49363  Microseris nutans John Thomas Howell 1934-6-13 12057 Modoc Fandango Pass. 1828 Comment
  CAS-BOT-BC197916  Microsteris gracilis Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16431 Modoc Near summit of Cedar Pass. 1920 Comment
  CAS-BOT-BC197918  Microsteris gracilis Bruce Bartholomew; Mona Bourell 1990-4-26 5154 Modoc 0.5 km S of Day. 1100 Comment
  RSA59719  Mimulus androsaceus E. K. Balls 1950-5-18 14755 Modoc N of Upper Rush Creek Public Camp; 2.5 mi. east from Hwy. 299 1738 Comment
  SEINET3365874 Image available Mimulus breweri Annie M. Alexander, Louise Kellogg 1946-7-1 4888 Modoc Warner Mountains; 1/2 mile east of Bidwell Creek road summit Comment
  UC69690  Mimulus breweri Mrs. M. H. Manning 1903-8-21 315 Modoc Mt. Bidwell 1981 Comment
  RSA185423  Mimulus douglasii Clare B. Hardham 1961-6-17 7514 Modoc Cedar Pass Camp Ground. Comment
  RSA550581  Mimulus layneae Bruce Bartholomew 1991-7-6 5995 Modoc Webb Flat, 5.6 km S of turn off to Happy Camp Ranger Station. 1400 Comment
  HSC80801  Mimulus lewisii G. M. Riegel 1980-8-6 997 Modoc South Warner Mtns. 1739 Comment
  UC446466  Mimulus lewisii M. F. Gilman 526 Modoc Warner Mts. 1981 Comment
  UC748138  Mimulus lewisii Annie M. Alexander and Louise Kellogg 1946-7-24 5064 Modoc at creek on trail to Emerson Camp (Bear Camp Flat); Warner Mountains Comment
  UCSB6085  Mimulus lewisii Haller, John 1959-8-1 Modoc 0.2 miles west of Cave Lake junction; on road between New Pine Creek and Fort Bidwell; Warner Mtns 2133 Comment
  UC1523788  Mimulus nanus var. jepsonii Gregg Riegel 1981-7-13 1151 Modoc near Day 1524 Comment
  RSA535447  Mimulus nanus var. nanus David M. Thompson 1988-6-2 925 Modoc Ca. 6.8 mi NW of Canby. 0.1 mi SE of turnoff for Howard's Gulch Campground along Hwy 139. 1500 Comment
  UC1063559  Mimulus nanus var. nanus R. C. Wilson 1933-6-11 44 Modoc Rush Creek Camp Modoc National Forest, Alturas Quadrangle Comment
  UCSB48316  Mimulus nanus var. nanus Hardham, Clare 1961-6-19 Modoc Willow Creek 1676 Comment
  JEPS15588  Mimulus nanus var. nanus Frances D. Payne 1931-6-29 760 Modoc ridge s Granger Pass (pass at head of Granger Creek); Warner Mountains 1981 Comment
  JEPS4011  Mimulus nanus var. nanus Frances D. Payne 1932-6-8 419 Modoc 6 mi e Alturas (on road to Parker Creek); Warner Mountains Comment
  JEPS79124 Image available Mimulus pulsiferae L. R. Heckard with Rimo Bacigalupi 1980-6-10 5228 Modoc Southwest margin of Egg Lake Comment
  UC1037256  Mimulus pulsiferae Leo Whitney 1935-6-9 3203 Modoc White Horse Comment
  RSA535784  Mimulus pygmaeus David M. Thompson 1988-6-3 927 Modoc Egg Lake, S end between Kramer Reservoir and White Horse Lookout road along intermittent stream, 2.3 miles W of railroad crossing. 1330 Comment
  JEPS86875  Mimulus tricolor David M. Thompson 1988-6-3 928 Modoc betweeen Kramer Reservoir and White Horse-Lookout road (2.3 rd mi w of railroad crossing, s end of lake); Egg Lake 1300 Comment
  UC465889  Minuartia douglasii Franklin P. Nutting Modoc Big Valley Mts. Comment
  CAS-BOT-BC225801  Mitella pentandra Leland S. Smith 1917-8-3 150 Modoc South Fork Davis Creek. 1828 Comment
  CAS-BOT-BC225805  Mitella pentandra Bruce Bartholomew; Barrett Anderson 1990-7-20 5500 Modoc Tamarack Flat, E side of Warner Mts. 2150 Comment
  NY758253  Mitella pentandra B. M. Bartholomew 1990-7-20 5500 Modoc Tamarack Flat, east side of Warner Mountains 2150 Comment
  UC11419  Mitella pentandra Mrs. R. M. Austin Aug., 1894 Modoc Lassen Creek Comment
  CAS-BOT-BC179366  Monardella odoratissima subsp. glauca Alice Eastwood; John Thomas Howell 1940-6-13 8175 Modoc E side of Cedar Pass. Comment
  SJSU6210  Monardella odoratissima subsp. glauca H. L. Buckalew 1961-7-1 Modoc lower flanks of Cedar Mt, Warner Mts 2133 Comment
  CAS-BOT-BC95550  Monolepis nuttalliana Bruce Bartholomew 1995-6-2 6935 Modoc 6.4 km E of Eagleville, S end of Surprize Valley. 1380 Comment
  CAS-BOT-BC197477  Montia chamissoi Bruce Bartholomew; Barrett Anderson 1989-6-3 4861 Modoc Quaking Aspen Spring, between Goose Lake and Clear Lake Reservoir. 1500 Comment
  CAS-BOT-BC197517  Montia chamissoi Annie Montague Alexander; L. Kellogg 1946-6-22 4814 Modoc Lake Annie. 1524 Comment
  HSC17741  Montia chamissoi M. T. Milligan 1965-6-23 312 Modoc N end of Jess Valley 1616 Comment
  SEINET5336613  Montia chamissoi M. J. Williams 1984-6-30 84- 79 -1 Modoc 5.7 mi W of Alturas on Granger Canyon road. 1859 Comment
  CHSC117849  Montia dichotoma L. P. Janeway 2016-5-16 11997 B Modoc Modoc Plateau. Devils Garden area; along Road 46N05A (Applegate Trail Southern Route) 0.3 km west of Road 46N02; 2.4 air-km east-southeast of Green Tank Reservoir and Green Spring Reservoir. 1569 Comment
  UC711854  Montia fontana Roxana S. Ferris and Laura Lorraine 1941-8-13 10528 Modoc Patterson Ranger Station, East Creek drainage, Modoc National Forest Patterson Ranger Station; Warner Mountains, Modoc National Forest, Patterson Ranger St 2164 Comment
  UC173239  Montia linearis Mrs. R. M. Austin 1894-5-1 Modoc Goose Lake Valley Comment
  UC748280  Montia linearis Annie M. Alexander and Louise Kellogg 1946-6-14 4755 Modoc Silver Creek branch of Patterson Mill Road 1828 Comment
  CAS-BOT-BC247570  Muhlenbergia asperifolia Bruce Bartholomew; Barrett Anderson 1990-7-20 5447 Modoc Margin of Goose Lake at S end of the causeway to McGinty Point. 1440 Comment
  UCR136426  Muhlenbergia asperifolia Beecher Crampton 1954-7-9 2187 Modoc Modoc Plateau, 1.5 miles west of Alturas, extension of 4th Street 1311 Comment
  CAS-BOT-BC247566  Muhlenbergia filiformis Bruce Bartholomew 1992-8-9 6394 Modoc Upper region of Owl Creek drainage, below cliffs, E of Summit Trail, E side of Warner Mountains. 2500 Comment
  RSA722575  Munroa squarrosa Richard Halse 2006-8-3 6988 Modoc Along Jess Valley Road ca. 4 miles east of Likely, just past bridge over the Pit River. 1387 Comment
  RSA496334  Myosotis scorpioides Elaine Joyal, D. Mehlman 1988-6-28 1288 Modoc N. Warner Mts., Pine Creek e. of New Pine Creek, Oregon. Comment
  CAS-BOT-BC392256  Myosurus apetalus E. K. Balls 1950-5-14 14693 Modoc 2.5 mi. n. of boundary Modoc Nat'l Forest, junction of roads to Emigrant Spring, Thomas Reservoir and Dead Horse Reservoir 1524 Comment
  POM319215  Myosurus aristatus Patricia Wilder 1971-6-20 5071 Modoc North part of Egg Lake (now a meadow), northwest of Lookout; north of Bieber and California State Highway 299; Modoc National Forest. Cascades Mt. Range. 1372 Comment
  RSA59764  Myosurus aristatus E. K. Balls 1950-5-14 14693 Modoc 2.5 miles N of boundary Modoc National Forest, jct of roads to Emigrant Spring, Thomas Reservoir and Dead Horse Reservoir. 1524 Comment
  CAS-BOT-BC217294  Myosurus minimus Bruce Bartholomew 1993-6-14 6675 Modoc Open moist flat SW of Stovepipe Flat Tank just N of road between Deer Hill and Duncan Reservoir. 1530 Comment
  CHSC85126  Myosurus minimus John Dittes; Josephine Guardino 1991-6-1 353 Modoc Modoc Plateau; Big Valley; Ash Creek Wildlife Area; ca. 7.7 air-miles northeast of Bieber, ca. 4.0 air-miles west by southwest of Adin, ca. 5.0 air-mile east by southeast of Pilot Butte summit, ca. 0.6 mile east of Walters Road and Owl Barn; meadow at southern edge of Ash Creek Floodplain. 1271 Comment
  SJSU9375  Myriophyllum sibiricum W. Savage 1979-8-22 1581 Modoc near remains of Triangle Ranch cabin, Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  CDA37306  Myriophyllum spicatum B. Villegas 2008-7-24 s.n. Modoc Alturas; Modoc National Wildlife Refuge; Pond. 0 Comment
  OBI48662  Nama demissa Lewis S. Rose 1940-6-14 40581 Modoc Mammoth Cave, 5 mi W of Perez 1280 Comment
  CHSC67118  Navarretia James D. Jokerst 1987-6-24 2937 Modoc NE of Doublehead Mtn. along the edges of road to Red Lake. Comment
  CHSC67374  Navarretia James D. Jokerst 1986-8-12 2766 Modoc Radar Site Survey S of Doublehead Mtn., vernal pool adjacent to unnamed road ca. 0.5 mi S of its jct. With the E-W road to Doublehead Mtn. Comment
  CAS-BOT-BC198022  Navarretia breweri Bruce Bartholomew 1990-6-18 5384 Modoc Turner Creek at County Rd 90, N end of Big Valley, 6.4 km N of Lassen County border. 1230 Comment
  JEPS70251  Navarretia breweri Frances D. Payne 1929-7-26 125 Modoc 2 mi sw Warren Peak; Warner Mts., Pine Creek Basin 2286 Comment
  CHSC109885  Navarretia capillaris B. Castro; L. P. Janeway 2012-7-25 1958 Modoc Warner Mountains. Slope along N side of Dismal Swamp, along sides of rough gravel road going N out of swamp, just above more mesic sites dominated by Artemisia cana. 2218 Comment
  HSC16998  Navarretia capillaris M. T. Milligan 1966-7-29 600 Modoc Slopes and ridges E of Jess Valley 1829 Comment
  CAS-BOT-BC198002  Navarretia divaricata subsp. vividior Alice Eastwood; John Thomas Howell 1940-6-13 8136 Modoc W side of Fandango Pass. Comment
  UC23519  Navarretia divaricata subsp. vividior Milo S. Baker 1894-6-15 Modoc Little Hot Springs Valley Comment
  JEPS86351  Navarretia intertexta Jack and Betty Guggolz 1988-6-30 965 Modoc near Old Canon Mill Road Comment
  SBBG30496  Navarretia intertexta D. Myrick 1968-6-20 1979 a Modoc Airport Rd, 7 mi N of Alturas 1524 Comment
  CAS-BOT-BC197990  Navarretia intertexta subsp. intertexta Barrett Anderson 1986-7-9 3133 Modoc Roney Flat Rd just off Hwy 299. 1435 Comment
  CAS-BOT-BC197987  Navarretia intertexta subsp. propinqua Alice Eastwood; John Thomas Howell 1940-6-15 8293 Modoc 9 mi. N of Lookout. Comment
  HSC17143  Navarretia intertexta subsp. propinqua M. T. Milligan 1964-8-21 232 Modoc S end of Dorris Reservoir Dam 1372 Comment
  POM98593  Navarretia intertexta subsp. propinqua F. W. Peirson 1926-6-25 6868 Modoc Cedarville Road, Warner Mountains. Comment
  CAS-BOT-BC197959  Navarretia leucocephala subsp. minima K. Paulson; Robert Paulson 1989-7-2 158 Modoc Vicinity of Craig Spring, ca. 2 mi. NE of Happy Camp. 1447 Comment
  CAS-BOT-BC197961  Navarretia leucocephala subsp. minima M. Vasey 1990-6-30 9041 Modoc Near Curtiss Waterhole, NW of Egg Lake. 1300 Comment
  CAS-BOT-BC197969  Navarretia leucocephala subsp. minima Leland S. Smith 1924-5-31 1355 Modoc Egg Lake above ranch. 1310 Comment
  OBI48922  Navarretia leucocephala subsp. minima Lewis s. Rose 1940-7-14 40571 Modoc 8 mi. nw. of Canby 1524 Comment
  SEINET200216  Navarretia minima C. McMillan 1949-6-16 1538 Modoc 3 miles S of Crowder Flat, 35 miles N Canby. Comment
  RSA148668  Navarretia sinistra Clare B. Hardham 1961-6-19 7819 -A Modoc Willow Creek. Warner Mountains. Comment
  CHSC112138  Nemacladus capillaris Dean Wm. Taylor 2012-6-19 21244 Modoc Mouth of Baggett Gulch (ca 3 air miles S of Canby), Modoc National Forest. 1463 Comment
  CAS-BOT-BC7186  Nemophila austiniae R. M. Austin 1885-6-1 s.n. Modoc Davis Creek Comment
  CAS-BOT-BC179311  Nemophila breviflora Lincoln Constance 1938-12-12 2332 Modoc Edge of Thoms Creek at foot of Bonner Grade, Cedar Pass Rd., 13.4 mi. NE of Alturas. 1524 Comment
  JEPS100953  Nemophila breviflora Dean Wm. Taylor with Glenn L. Clifton 1990-6-25 11167 Modoc Cedar Pass, growing on steep cliffs of volcanic breccia, northerly slopes of Peak 7298 2148 Comment
  POM260426  Nemophila breviflora C. L. Hitchcock 1940-5-27 6661 Modoc 12 miles NE of Alturas. 1616 Comment
  UC748446  Nemophila parviflora var. austiniae Annie M. Alexander and Louise Kellogg 1946-6-5 4665 b Modoc s Eagleville (Emerson Creek, Emerson Camp, in camp meadow); Warner Mountains, Emerson Creek 2133 Comment
  CAS-BOT-BC179285  Nemophila pedunculata Bruce Bartholomew; Barrett Anderson 1989-4-27 4616 Modoc 2.1 km SSE of Day on road to State Highway 299. 1020 Comment
  CAS-BOT-BC179293  Nemophila pedunculata Annie Montague Alexander; L. Kellogg 1946-6-14 4754 Modoc Silver Creek branch of Patterson Mill road. 1828 Comment
  JEPS4033  Nemophila pedunculata Frances D. Payne 1931-6-22 241 B Modoc s and e Alturas (Warner Mountains, Parker Creek, Dry Creek, tributary of); Warner Mountains, Parker Creek, s and e of Alturas 1828 Comment
  POM73900  Nemophila pedunculata Mrs. R. M. Austin 1895-06 540 Modoc Goose Lake Valley. Comment
  RSA59368  Nemophila pedunculata E. K. Balls 1950-5-11 14625 Modoc 8.1 miles NE of Fort Bidwell. Above Cow Head Lake. Along 8 Mile Creek. 1463 Comment
  UC336782  Neoholmgrenia andina unknown Modoc Honey Lake Valley Comment
  CAS-BOT-BC245374  Nicotiana attenuata Isabelo T. Kelly 1930-1-1 38 Modoc Cowhead Lake, NE of Fort Bidwell. Comment
  CHSC112842  Nicotiana attenuata Lowell Ahart; John Dittes 2013-7-25 18970 Modoc Elkins Lane Parking Area, west of the old barn, on the west side of Elkins Lane, Ash Creek State Wildlife Area, 320 feet north of Lassen County Line, about 4.4 miles (air) west of Adin, about 7.2 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  UC103909  Nicotiana attenuata Mrs. R. M. Austin Jul 1894 97 Modoc Chalk Grade Pit River (Pit River) Comment
  UC26154  Nicotiana attenuata Mrs. R. M. Austin Aug 1894 Modoc n of Alturas (Pit River); Pit River Comment
  CAS-BOT-BC49368  Nothocalais troximoides K. Paulson; Robert Paulson 1988-5-24 11 Modoc Parker Creek, Warner Mts.. 1524 Comment
  CAS-BOT-BC190810  Oenothera deltoides subsp. piperi Bruce Bartholomew 1990-6-17 5314 Modoc Surprise Valley, 6.8 km W of Eagleville. 1390 Comment
  CAS-BOT-BC190807  Oenothera elata subsp. hirsutissima L. A. M. Black 1894-8-1 58 Modoc Davis Creek. Comment
  UC726198  Oenothera flava subsp. flava A. A. Heller 1941-6-26 16210 Modoc along US Hwy 299 five mi w Alturas Comment
  CAS-BOT-BC245087  Olsynium douglasii var. douglasii Bruce Bartholomew; Mona Bourell 1990-4-28 5197 Modoc 4.5 km SE of Davis Creek on road to Plum Valley camp ground. 1730 Comment
  CAS-BOT-BC245090  Olsynium douglasii var. douglasii Bruce Bartholomew; M; M. Gilbert; L. E. Skog 1993-5-11 6512 Modoc 11 km S of Oregon Border along W side of Goose Lake. 1440 Comment
  RSA59650  Olsynium douglasii var. douglasii E. K. Balls 1950-5-12 14641 Modoc Above Bucks Creek Ranger Station, Modoc National Forest, east of Goose Lake. Comment
  UCD134666  Onopordum acanthium T. C. Fuller 1959-7-8 2795 Modoc south side of 4th Street, east of East Street, Alturas. Comment
  CAS-BOT-BC49374  Onopordum acanthium subsp. acanthium Thomas C. Fuller 1959-7-8 2795 Modoc Alturas. Comment
  CAS-BOT-BC50376  Onopordum acanthium subsp. acanthium Thomas C. Fuller 1958-7-9 900 -58 Modoc Alturas. Comment
  CHSC112843  Onopordum acanthium subsp. acanthium Lowell Ahart; John Dittes 2013-7-24 18945 Modoc South high bank of Ash Creek Canal, south of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. 1272 Comment
  JEPS121207  Onopordum acanthium subsp. acanthium Lowell Ahart, John Dittes 2013-7-24 18945 Modoc South high bank of Ash Creek Canal, S of Ash Creek, Ash Creek State Wildlife Area, 0.79 air miles S of County Road 87, 1.73 air miles W of Adin, Big Valley. Comment
  HSC81024  Oreostemma alpigenum var. andersonii G. M. Riegel 1980-8-21 1091 Modoc South Warner Mtns. Comment
  CAS-BOT-BC190792  Orobanche fasciculata Elmer Ivan Applegate 1897-6-1 3031 Modoc 9 mi. W of Alturas. Comment
  CHSC67570  Orobanche fasciculata James D. Jokerst 1983-5-31 1811 Modoc Near Hwy. 395 S of Alturas at the base of the upper ramparts of the butte just S of Signal Butte. 1341 Comment
  HSC80905  Orobanche fasciculata G. M. Riegel 1980-6-30 780 Modoc S Warner Mtns. 1829 Comment
  CAS-BOT-BC232179  Orthocarpus cuspidatus subsp. copelandii Francis Marion Ownbey; Frederick Gustav Meyer 1940-7-1 2137 Modoc Cedar Pass, Warner Mountains Comment
  CHSC109450  Orthocarpus cuspidatus subsp. cryptanthus B. Castro; L. P. Janeway 2012-7-24 1954 Modoc Warner Mountains. Northwestern flank of Mount Bidwell; ca 0.6 air mi S of Dismal Swamp, off upper edge of open lodgepole pine forest. 2377 Comment
  HSC20545  Orthocarpus cuspidatus subsp. cryptanthus M. T. Milligan 1964-7-25 172 Modoc Pine Creek Basin, along trail. 2439 Comment
  RSA505398  Orthocarpus hispidus R. C. Bacigalupi, G. Thomas Robbins 1955-7-19 5382 Modoc Edges of Soup Spring Meadow, southern Warner Mountains, Modoc Nat. Forest. 2073 Comment
  RSA185398  Orthocarpus lithospermoides Clare B. Hardham 1961-6-18 7541 Modoc 3 miles SE of Cedar Pass. 1829 Comment
  OBI81415  Osmorhiza obtusa L. Constance 1946-7-4 3104 Modoc Shaded creek-side, Deep Creek 3.4 miles below summit, Warner Mountains 1829 Comment
  UC21056  Osmorhiza occidentalis Mrs. R. M. Austin and Bruce June, 1898 2263 Modoc Lake City Mt. Comment
  JEPS57972  Oxyria digyna Frances D. Payne 1931-6-29 304 B Modoc e slope Mt. Warren; Warner Mountains, e slope of Mt. Warren 2286 Comment
  CAS-BOT-BC50349  Packera cana Harry Dwight Dillon Ripley; Rupert Charles Barneby 1944-5-31 5995 Modoc NW of Alturas. 1524 Comment
  JEPS5947  Packera cana Frances D. Payne 1931-6-11 151 Modoc s and e of Alturas; Warner Mountains, Parker Creek 1584 Comment
  SEINET11799198  Packera cana Unknown 1940-1 40540 Modoc near Alturas Comment
  SJSU9651  Packera cana W. Savage 1979-7-8 1486 Modoc N end Fairchild Swamp Unit, Devils Garden District, Modoc National Forest 1493 Comment
  SEINET11744641 Image available Packera eurycephala M. J. Williams 1984-6-30 84- 83 -1 Modoc 16.3 mi on Parker Creek road, paved road to Cedar Pass road 1.5 mi 1524 Comment
  CAS-BOT-BC50277  Packera eurycephala var. eurycephala John Thomas Howell 1934-6-11 11915 A Modoc Parker Creek. 1584 Comment
  UC76003  Packera eurycephala var. eurycephala Milo S. Baker 1893-1 Modoc Forestdale Comment
  UC35941  Packera streptanthifolia Milo S. Baker 1893-7-5 Modoc near Egg Lake Comment
  UC1004188  Paeonia brownii W. A. Weber 1953-5-14 8372 Modoc 10 mi e Likely (w end of valley); Jess Valley 1432 Comment
  RSA281693  Paeonia brownii S. O. Mattoon 1979-7-13 95 Modoc Patterson Meadows at Patterson G. S., S. Warner Mountains 22 air miles east of Highway 395 at Likely 2195 Comment
  CAS-BOT-BC247558  Panicum capillare Louis Cutter Wheeler 1935-9-13 3984 Modoc Fletcher Creek. 1524 Comment
  CHSC115593  Panicum capillare Lowell Ahart; John Dittes 2015-7-16 20392 Modoc North edge of Ash Creek (destroyed), southeast of the gravel pit (destroyed), about 1/8 mile east of the parking area on the east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  RSA210775  Panicum capillare J. Henrickson, C. W. Tilforth 1969-9-3 39025 Modoc at SE end of Tule Lake Sump 0.5 mile N of turnoff to Lava Beds National Monument, (2.2 miles E. of NE entrance to monument) 1265 Comment
  RSA551269  Parnassia fimbriata Bruce Bartholomew 1992-8-9 6384 Modoc Creek below Patterson Lake on Squaw Peak Trail to Owl Creek Trail, E side of Warner Mountains. 2650 Comment
  CAS-BOT-BC247556  Pascopyrum smithii James D. Jokerst 1983-7-27 1901 Modoc Near Signal Butte. 1340 Comment
  NY1000968  Paxistima myrsinites M. S. Baker 06 1893 s.n. Modoc Comment
  CAS-BOT-BC498684  Pectocarya penicillata F. D. Douthitt 1916-5-17 28 Modoc Modoc Forest: Flornoy Swale 1828 Comment
  CAS-BOT-BC232310  Pedicularis attollens Leland S. Smith 1922-7-20 1287 Modoc Rush Creek Ranger Station. 1889 Comment
  UC27296  Pedicularis attollens Mrs. R. M. Austin Aug. 1894 Modoc Davis Creek Comment
  UC748180  Pedicularis attollens Annie M. Alexander and Louise Kellogg 1946-6-20 4810 Modoc field below Eagleville 1440 Comment
  CAS-BOT-BC232307  Pedicularis groenlandica subsp. surrecta K. Paulson; Robert Paulson 1989-7-14 183 Modoc Vicinity of Cave Lake, N end of the Warner Mts. 1987 Comment
  RSA11920  Penstemon davidsonii Elmer I. Applegate 1932-8-3 8120 Modoc high area summit of Lower mountains just north of Eagle Peak. Comment
  CAS-BOT-BC232348  Penstemon davidsonii var. davidsonii Francis Dorris Payne 1929-7-26 s.n. Modoc Mt. Warren, Warner Mountains Comment
  CAS-BOT-BC265301  Penstemon davidsonii var. davidsonii John Thomas Howell 1934-6-14 12122 Modoc Near Lost Lake, Warner Mountains 2438 Comment
  JEPS8102  Penstemon davidsonii var. davidsonii L. S. Smith 1917-7-2 58 Modoc Shields Creek Warner Mountains 2316 Comment
  NY590168  Penstemon davidsonii var. davidsonii N. H. Holmgren 1964-8-22 1721 Modoc Warner Range, Modoc National Forest, Eagle Peak. 3027.9 Comment
  RSA504638  Penstemon deustus Bruce Bartholomew 1988-6-23 4256 Modoc 1.8 km WSW of Day on County Road 94. 1170 Comment
  RSA647534  Penstemon deustus Marion P. Harthill 1971-6-23 372 Modoc Fort Bidwell. Comment
  CAS-BOT-BC232327  Penstemon deustus var. pedicellatus Leland S. Smith 1917-7-24 114 Modoc Bald Mt. 2438 Comment
  CAS-BOT-BC232371  Penstemon deustus var. pedicellatus Annie Montague Alexander; L. Kellogg 1946-6-28 4868 Modoc Pine Creek Canyon, North end of Warner Mountains 1615 Comment
  CAS-BOT-BC232375  Penstemon deustus var. pedicellatus Bruce Bartholomew; Barrett Anderson 1989-6-3 4876 Modoc Boles Creek, ca. 5.5 km E of the SE corner of Clear Lake Reservoir. 1430 Comment
  JEPS11228  Penstemon deustus var. pedicellatus Milo S. Baker 1893-7-24 25 Modoc near, sw Forestdale (Lava Beds); near Forestdale, sw, Lava Beds Comment
  CAS-BOT-BC232334  Penstemon deustus var. pedicellatus C. C. (Mrs.) Bruce 1899-1-1 2206 Modoc Mt. Comment
  NY591826  Penstemon deustus var. pedicellatus F. W. Pennell 1940-6-7 25730 Modoc Route 299, 6 miles northeast of Adin 1402.1 Comment
  CAS-BOT-BC245534  Penstemon gracilentus Elmer Ivan Applegate 1932-7-9 7617 Modoc N slope of Bidwell Mountain. Comment
  NY600739  Penstemon gracilentus M. Bourell 1993-8-15 5280 Modoc South Warner Wilderness Area. Warner Mountains. Along trail from Patterson Lake to ca. 2 miles north toward Pepperdine Trailhead. 2438.4 Comment
  UC711891  Penstemon gracilentus Roxana S. Ferris and Laura Lorraine 1941-8-13 10520 Modoc Patterson Ranger Station (East Creek drainage) Warner Mountains, Modoc National Forest, East Creek drng (Modoc National Forest, Warner Mountains) 2164 Comment
  SEINET12319635  Penstemon janishiae N. H. Holmgren, Holmgren, P. K. 1978-1 8883 Modoc Crowder Flat Rd, .5 km from jct with CA Hwy 299 whic is 5.6 km W of US Hwy 395 1340 Comment
  CAS-BOT-BC245510  Penstemon procerus var. procerus Bruce Bartholomew 1995-8-1 7148 Modoc Headwater of Schadler Ditch just NE of Bidwell Mtn., E side of the Warner Mountains. 2110 Comment
  CAS-BOT-BC245575  Penstemon roezlii K. Paulson; Robert Paulson 1989-6-14 130 Modoc Ca. 1.5 mi. NE of Cedar Pass, Warner Mts. 1920 Comment
  CHSC117049  Penstemon roezlii Lowell Ahart; John Dittes 2016-6-6 20944 Modoc About 40 yards west of the dirt road, about 50 yards southwest of the intersection of County Road 87 and Access Road to Pilot Butte Parking Area, northeast base of Pilot Butte, 3.8 miles (air) east of Lookout, 7.5 miles (air) west of Adin, Ash Creek State Wildlife Area. 1271 Comment
  NY650133  Penstemon roezlii C. L. Hitchcock 1940-5-27 6651 Modoc 9 miles northeast of Alturas 1402.1 Comment
  CAS-BOT-BC245571  Penstemon roezlii Milo Samuel Baker 1893-7-18 s.n. Modoc unspecified Comment
  UC27497  Penstemon roezlii Milo S. Baker 1893-6 Modoc adobe soil Comment
  UC725543  Penstemon roezlii A. A. Heller 1941-6-26 16225 Modoc on State Hwy 299 seven mi w Canby; w of Canby Comment
  CAS-BOT-BC238448  Penstemon rydbergii var. oreocharis Mrs. H. C. Cantelow 1940-6-2 s.n. Modoc 10 1/2 miles n.w. of Canby Comment
  CAS-BOT-BC245507  Penstemon rydbergii var. oreocharis Bruce Bartholomew; Barrett Anderson 1989-6-3 4871 Modoc Boles Creek, ca. 5.5 km E of the SE corner of Clear Lake Reservoir. 1430 Comment
  HSC80749  Penstemon rydbergii var. oreocharis G. M. Riegel 1980-7-2 816 Modoc S Warner Mtns. 1829 Comment
  NY651258  Penstemon rydbergii var. oreocharis J. T. Howell 1934-6-12 12022 Modoc Plum Valley, Warner Mountains Comment
  NY651334  Penstemon rydbergii var. oreocharis D. D. Keck 1935-6-24 3722 Modoc 1.5 miles north of Davis Creek 1525 Comment
  RSA420365  Penstemon rydbergii var. oreocharis Robert Gustafson 1985-6-13 3164 Modoc Jct of Hwy 49 and Forest Service road 12, Yuba Pass summit. 2043 Comment
  CAS-BOT-BC245546  Penstemon speciosus Mrs. H. C. Cantelow 1940-6-1 4470 Modoc 12.5 mi. E of Alturas, road to Warner Mts. Comment
  HSC21057  Penstemon speciosus M. T. Milligan 1966-8-3 632 Modoc W slope of Eagle Peak 2439 Comment
  UC887337  Penstemon speciosus C. L. Hitchcock 1940-5-27 6666 Modoc 15 mi ne Alturas (on sagebrush knoll); ne of Alturas 1615 Comment
  HSC24861  Penstemon speciosus R. W. Spjut 1970-7-20 500 Modoc SE corner of Goose Lake, 4 mi. W of Davis Creek 1372 Comment
  SEINET12326116  Penstemon speciosus A. Seneres, Harold, N. 1983-1 102 Modoc 1.5 mi S of north fork of Deep Creek at intersection of road, Modoc Nat. Forest 2111 Comment
  CAS-BOT-BC140469  Peraphyllum ramosissimum Ella Dales Cantelow 1940-5-31 4302 Modoc 3 mi. E. of Canby Comment
  JEPS90471  Peraphyllum ramosissimum Dean Wm. Taylor with Glenn L. Clifton 1992-5-7 12535 Modoc ca. 7 mi. w. Alturas (Hwy. 299 at Milepost 25.5, on hillside 0.3 mi. n. of hwy.); Modoc Plateau Comment
  POM312890  Peraphyllum ramosissimum Malcolm A. Nobs, S. Galen Smith 1949-5-29 766 Modoc East of Kelley Hot Springs. Comment
  RSA31944  Peraphyllum ramosissimum A. A. Heller 1938-6-24 15228 Modoc elevated flat in clay soil about midway between Canby and Alturas. Comment
  RSA210845  Perideridia bolanderi subsp. bolanderi R. F. Thorne, J. Henrickson, C. W. Tilforth 1969-9-4 39063 Modoc SW shore of Goose Lake N of McGinty Point 1448 Comment
  SEINET194803  Perideridia lemmonii A. A. Heller 1941-6-25 16208 Modoc South of Big Sage Reservoir NW of Alturas. Comment
  JEPS5966  Perideridia oregana Frances D. Payne 1931-7-4 311 Modoc Parker Creek Warner Mountains 1584 Comment
  CHSC116099  Persicaria maculosa Lowell Ahart; John Dittes 2015-7-15 20375 Modoc North edge of Ash Creek (destroyed), southeast of gravel pit (destroyed), about 1/8 mile east of parking area on east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  JEPS1607  Phacelia adenophora J. G. Lemmon June, 1879 Modoc Surprise Valley and Pyramid Lake Comment
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May 4 2015
  CAS-BOT-BC179274  Phacelia hastata subsp. compacta Annie M. Alexander; Miss Louise Kellogg 1946-8-1 5116 Modoc Eagle Peak. 3019 Comment
  JEPS2029  Phacelia hastata subsp. compacta W. L. Jepson 1918-8-13 7980 Modoc Eagle Peak Warner Mts. 3017 Comment
  JEPS81022  Phacelia hastata subsp. compacta J. P. Smith and J. O. Sawyer 1973-8-8 7239 Modoc s slopes of peak Eagle Peak 2560 Comment
  CAS-BOT-BC179267  Phacelia hastata subsp. hastata Annie Montague Alexander; L. Kellogg 1946-7-7 4948 Modoc Eight Mile Creek. 1752 Comment
  CAS-BOT-BC95633  Phacelia hastata subsp. hastata Alice Eastwood; John Thomas Howell 1940-6-13 8119 Modoc Surprise Valley. Comment
  CAS-BOT-BC179257  Phacelia hastata subsp. hastata Milo Samuel Baker; Franklin P. Nutting 1894-6-5 s.n. Modoc Big Valley Mts. Comment
  RSA531368  Phacelia hastata subsp. hastata Bruce Bartholomew, B. Anderson 1990-7-20 5527 Modoc 3.4 Km NW of Tamarack Flat, E side of Warner Mts. 2130 Comment
  UC24490  Phacelia heterophylla subsp. virgata M. S. Baker and Frank Nutting 1894-6-8 Modoc Little Hot Spring Valley Comment
  JEPS4036  Phacelia heterophylla subsp. virgata Frances D. Payne 1931-6-21 219 Modoc ridge sw Dry Creek (creek is tributary of Parker Creek, s and e of Alturas); Warner Mountains 1981 Comment
  SJSU11215  Phacelia heterophylla subsp. virgata R. L. Fisher 1958-6-13 Modoc near Adin Pass on Canby-Adin Rd c. 6 mi S of Canby 1524 Comment
  HSC30046  Phacelia humilis D. H. Norris, T. Nelson, S. Dowty 1971-6-22 19313 Modoc Soup Springs Campground Comment
  UC1191850  Phacelia humilis Herbert L. Mason 1948-7-18 13620 Modoc Cedar Pass Warner Mountains Comment
  UC35540  Phacelia humilis Mrs. R. M. Austin Aug. 1894 Modoc Lassen Creek Comment
  UC711822  Phacelia humilis Roxana S. Ferris and Laura Lorraine 1941-8-13 10542 Modoc Patterson Ranger Station (East Creek drainage) Warner Mountains, Modoc National Forest 2164 Comment
  UC133064  Phacelia humilis Mrs. R. M. Austin June 1884 Modoc mts. e Goose Lake Val. Comment
  CAS-BOT-BC179975  Phacelia humilis var. humilis Francis Dorris Payne 1932-6-26 613 Modoc Ridge N of Parker Creek. 1828 Comment
  CAS-BOT-BC179984  Phacelia humilis var. humilis Leland S. Smith 1918-7-11 984 Modoc Mill Creek Meadow. Comment
  CAS-BOT-BC179996  Phacelia humilis var. humilis Francis Dorris Payne 1931-6-25 273 Modoc Middle Fork Pine Creek. 2133 Comment
  CAS-BOT-BC179971  Phacelia inundata Dean W. Taylor; et al 1987-8-9 9271 Modoc Dry Lake. 1341 Comment
  NY1055158  Phacelia ivesiana B. M. Bartholomew 1989-6-2 4815 Modoc Sand dunes at the southeast corner of Upper Alkali Lake, east side of Surprise Valley 1400 Comment
  CAS-BOT-BC179946  Phacelia mutabilis Louis Cutter Wheeler 1935-8-10 3824 Modoc Lily Lake. 2133 Comment
  CAS-BOT-BC179934  Phacelia ramosissima var. eremophila Annie Montague Alexander; L. Kellogg 1946-7-24 5066 Modoc Trail to Emerson Camp, Bear Camp Flat. Comment
  RSA165575  Phacelia ramosissima var. eremophila Clare B. Hardham 1961-6-20 7872 Modoc Pine Creek Canyon. 1677 Comment
  UC748117  Phacelia sericea var. ciliosa Annie M. Alexander and Louise Kellogg 1946-8-9 5129 Modoc Patterson Lake Trail Warner Mountains Comment
  CAS-BOT-BC179907  Phacelia thermalis Bruce Bartholomew; Barrett Anderson 1989-6-3 4893 Modoc ca. 5 km E of the SE corner of Clear Lake Reservoir. 1450 Comment
  CAS-BOT-BC179910  Phacelia thermalis John Thomas Howell 1934-6-30 12270 Modoc Duncan Horse Camp. 1355 Comment
  OBI48669  Phacelia thermalis Lewis S. Rose 1940-6-12 40537 Modoc 10 mi S of Alturas 1341 Comment
  HSC10583  Phleum alpinum M. T. Milligan 1965-7-10 427 Modoc W slope of Eagle Peak. 2439 Comment
  JEPS74043  Phleum alpinum Frances D. Payne 1932-7-21 726 Modoc edge Patterson Lake (e side Mt. Warren); Warner Mountains, , edge of Patterson Lake Comment
  UC70676  Phleum alpinum Mrs. M. H. Manning 1904-8-27 433 b Modoc Mt. Bidwell; north-eastern Modoc County Comment
  JEPS70607  Phleum pratense W. L. Jepson 1918-8-9 7913 Modoc near Ft. Bidwell; near Ft. Bidwell 1432 Comment
  UC70660  Phleum pratense Mrs. M. H. Manning 1904-7-7 418 Modoc north-eastern Modoc County Comment
  CAS-BOT-BC197951  Phlox diffusa C. C. (Mrs.) Bruce 1893-6-1 89 Modoc Davis Creek. Comment
  CAS-BOT-BC197955  Phlox diffusa F. Angwin 1946-5-3 s.n. Modoc Big Valley. 1280 Comment
  UC106954  Phlox diffusa Mrs. R. M. Austin 1886-1 Modoc hills e Goose Lake Goose Lake Comment
  UCSB27388  Phlox diffusa Wilken, Dieter 1969-7-28 Modoc Mill Creek Falls; near Clear Lake; east of Likely; Warner Mtns Comment
  CAS-BOT-BC197924  Phlox douglasii subsp. rigida Robert Patterson; Mona Bourell 1993-8-15 5263 Modoc Warner Mountains. Along trail from Patterson Lake to ca. 2 mi north towards Pepperdine Trailhead. 2743 Comment
  CAS-BOT-BC197937  Phlox douglasii subsp. rigida Elmer Ivan Applegate 1932-8-1 8009 Modoc Arid summit of Warner Mts. just S of Warren Peak. Comment
  CAS-BOT-BC197940  Phlox douglasii subsp. rigida Fred D. Douthitt 1916-8-27 5 Modoc Jess Valley. 1828 Comment
  RSA60320  Phlox douglasii subsp. rigida E. K. Balls 1950-5-10 15959 Modoc Hwy 395, 0.5 mile before jct, 5.5 miles NE of Alturas. 1524 Comment
  UC449806  Phlox gracilis Franklin P. Nutting Modoc near Egg Lake Comment
  UC23916  Phlox hoodii subsp. canescens Mrs. R. M. Austin May 1894 Modoc Goose Lake Valley Comment
  CAS-BOT-BC197882  Phlox speciosa Lillian Mott 1976-5-29 12 LM76 Modoc Devils Garden, ca. 12 mi. NW of Alturas on Crowder Flat Road. 1402 Comment
  CAS-BOT-BC197870  Phlox stansburyi Bruce Bartholomew 1995-5-13 6907 Modoc 4.8 km W of Eagleville, E side of the S end of Surprize Valley. 1480 Comment
  CAS-BOT-BC197868  Phlox stansburyi John H. Hatton 1911-6-10 26 Modoc Modoc County. 1524 Comment
  HSC6881  Phoenicaulis cheiranthoides M. T. Milligan 1966-5-4 620 Modoc Plateau W of Jess Valley 1829 Comment
  JEPS77518  Phoenicaulis cheiranthoides L. R. Heckard with T. I. Chuang and R. C. Bacigalupi 1978-7-19 4885 Modoc Cedar Pass; Warner Mountains, Cedar Pass 1920 Comment
  RSA195450  Phoenicaulis cheiranthoides Elmer I. Applegate 1937-5-13 11088 Modoc Lava Beds National Monument. Gillam Bluff. Comment
Read comments
Apr 23 2013
  RSA59975  Phoenicaulis cheiranthoides E. K. Balls 1950-5-13 14671 Modoc W shore of Goose Lake, 0.2 mile S of Oregon-Calif. state line. 1463 Comment
  SJSU5792  Phoenicaulis cheiranthoides H. L. Buckalew 1961-6-27 Modoc SW facing c. 1 mi N of Cedar Pass on Alturas-Cedarville Rd Comment
  UC1037470  Phoenicaulis cheiranthoides unknown 1936-6-14 8344 Modoc near summit of Cedar Pass Cedar Pass; Warner Mountains, Cedar Pass 1935 Comment
  UC748068  Phoenicaulis cheiranthoides Annie M. Alexander and Louise Kellogg 1946-6-26 4834 Modoc Dismal Swamp, n end of Warner Mountains Dismal Swamp; Warner Mountains, Dismal Swamp 2255 Comment
  CAS-BOT-BC58640  Physaria occidentalis Bruce Bartholomew 1991-8-5 6067 Modoc Summit Trail between Squaw Peak and Cottenwood Lake along crest of Warner Mts. 2530 Comment
  CAS-BOT-BC478167  Pinus albicaulis John Thomas Howell 1934-6-14 12109 Modoc Near Lost Lake, Warner Mountains 2438 Comment
  SEINET10816816  Pinus contorta subsp. murrayana Karen M. Meyer, Andrew Townesmith 2007-9-16 Meyer 215 Modoc Modoc National Forest, 8.5 mi. on Hwy. 23 which turns into 31, south of Cedarville, CA. 2218 Comment
  CAS-BOT-BC73167  Pinus jeffreyi Elmer I. Applegate 1932-8-4 8147 Modoc Near and south of Cantrall Mill, on road to Mill Creek meadows, Warner Mountains. 1828 Comment
  CAS-BOT-BC73019  Pinus monticola Elmer I. Applegate 1932-8-5 8168 Modoc Dry, rocky crest of Cedar Mountain, Warner Mountains, 3 miles north of Cedar Pass. 2438 Comment
  CAS-BOT-BC73020  Pinus monticola Elmer I. Applegate 1932-8-5 8219 Modoc Dry, rocky crest of Yellow Moutain near Lily Lake, Bidwell Pass, Warner Mountains. 2438 Comment
  HSC80918  Pinus monticola G. M. Riegel 1979-9-1 726 Modoc S Warner Mtns. 1670 Comment
  CAS-BOT-BC21500  Pinus washoensis Bruce Bartholomew 1994-7-2 6821 Modoc Just N of South Fork of Davis Creek near the crest of the Warner Mountains. 2300 Comment
  SEINET5323925  Pinus washoensis D. A. Charlet, Terri Charlet 1996-7-1 2285 Modoc South Warner Mtns., ca. 1 road mile E of Patterson Guard Station; above East Creek. 2213 Comment
  SJSU9135  Piperia unalascensis H. L. Buckalew 1961-6-21 Modoc near Stough (""Stowe"") Reservoir c. 1 mi N of Cedar Pass on Alturas Cedarville Rd, Warner Mts 1981 Comment
  RSA149139  Plagiobothrys bracteatus I. L. Wiggins, Dorothy Wiggins 1961-6-16 16522 Modoc Drying swale near Cloverswale Creek, 4.8 miles NE of Canby Comment
  CDA13479  Plagiobothrys cognatus G. F. Hrusa, T. D. Wilfred 1996-7-21 13320 a Modoc Modoc Plateau; Along banks of Pit River at Modoc Co. Rd. 90 bridge. E base of Splawn Mtn. N end of Big Valley. Comment
  CHSC100232  Plagiobothrys cognatus John Dittes; Josephine Guardino 1991-6-1 361 Modoc Modoc Plateau; Big Valley; Ash Creek Wildlife Area; ca. 7.7 air-miles northeast of Bieber, ca. 4.0 air-miles west by southwest of Adin, ca. 5.0 air-mile east by southeast of Pilot Butte Summit, ca. 0.6 mile east of Walters Road and Owl Barn. 1271 Comment
  HSC30199  Plagiobothrys cusickii D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19525 Modoc Big Valley Summit, 6 mi. W of Adin on Hwy. 299 Comment
  RSA0113963  Plagiobothrys cusickii Lowell A. Ahart, John Dittes 2013-7-24 18920 Modoc North side of Ash Creek Floodplain, 0.54 mile (air) southeast of Pilot Butte Parking Area, 1.1 miles (air) south of County Road 87, 6.8 miles (air) west of Adin, Big Valley. 1263 Comment
  UC79363  Plagiobothrys cusickii Mrs. R. M. Austin Jun 1885 Modoc Goose Lake Valley Comment
  CHSC107381  Plagiobothrys hispidulus Lowell Ahart; John Dittes 2011-6-22 17540 Modoc On the west side of the road, about 50 yards north of the Pilot Butte Parking Lot, north edge of Ash Creek Floodplain, 1.1 miles (air) south of County Road 87, 7.7 miles (air) west of Adin, 10 miles (air) east of Lookout, Big Valley. 1264 Comment
  CHSC117137  Plagiobothrys hispidulus Lowell Ahart; John Dittes 2016-7-14 21160 Modoc Around the sides of a new pond, south of Ash Creek Canal (now filled in), south of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. 1273 Comment
  UC1191836  Plagiobothrys mollis Herbert L. Mason, Verne Grant 1947-7-10 13333 Modoc 2 mi e Alturas; Dorris Reservoir Comment
  CAS-BOT-BC58733  Plagiobothrys scouleri Herbert Louis Mason; Verne Grant 1947-7-12 13415 Modoc Pit River Valley, S of Alturas. Comment
  CAS-BOT-BC58738  Plagiobothrys scouleri John Thomas Howell 1934-6-12 12034 Modoc Plum Valley, Warner Mountains Comment
  CAS-BOT-BC58757  Plagiobothrys scouleri Alice Eastwood; John Thomas Howell 1940-6-14 8220 Modoc 8 mi. NW of Canby. Comment
  CAS-BOT-BC58741  Plagiobothrys scouleri Alice Eastwood; John Thomas Howell 1940-6-12 8077 Modoc Between Likely and Jess Valley. Comment
  RSA164362  Plagiobothrys scouleri var. hispidulus Clare B. Hardham 1961-6-17 7518 Modoc Cedar Pass Camp Ground, Warner Mountains Comment
  CHSC99955  Plantago major Lowell Ahart; John Dittes 2008-8-25 15315 Modoc On the east bank (flood plane) of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout. 1273 Comment
  UC1192026  Plantago major Verne Grant and Irving Schneider 1947-7-21 8114 Modoc 0.25 mi upstream South Fork of Pit River confluence with North Fork (South Fork of Pit River, by Alturas); South Fork of Pit River Comment
  CAS-BOT-BC242222  Platanthera hyperborea R. M. Austin 1885-8-1 s.n. Modoc Field redacted by CAS, contact the data manager for more information Comment
  JEPS86307  Platanthera leucostachys Jack and Betty Guggolz 1988-7-5 980 Modoc alongside but not in west branch of Bidwell Creek; North Star Basin Comment
  UC429330  Platanthera leucostachys M. F. Gilman 540 Modoc 1981 Comment
  CAS-BOT-BC245403  Plectritis macrocera John H. Hatton 1911-6-13 80 Modoc Modoc County. 1371 Comment
  HSC21685  Plectritis macrocera M. T. Milligan 1964-6-6 1 Modoc N side of Dorris Reservoir along shore 1372 Comment
  RSA152450  Plectritis macrocera subsp. grayi I. L. Wiggins, Dorothy Wiggins 1961-6-12 16420 Modoc Near summit of Cedar Pass, between Alturas and Cedarville. 1951 Comment
  JEPS36546  Pleiacanthus spinosus W. L. Jepson 1918-8-6 7832 Modoc Davis Creek Comment
  RSA14101  Poa Elmer I. Applegate 1927-4-24 5004 Modoc Modoc Battle Ground; Modoc Lava Beds Comment
  CAS-BOT-BC247625  Poa X limosa John Thomas Howell 1934-7-1 12345 Modoc Duncan Horse Camp. 1355 Comment
  UCD90686  Poa bulbosa M. V. Maxwell 1930-1 s.n. Modoc Adin. Comment
  UCD90862  Poa compressa August L. Hormay 1932-8-3 s.n. Modoc Modoc National Forest. Buck Creek Ranger Station. Front lawn. Comment
  JEPS70633  Poa cusickii subsp. cusickii L. S. Smith June 1919 1108 Modoc Deep Creek Ranger Station Comment
Read comments
Jun 9 2012
  RSA534588  Poa nervosa Bruce Bartholomew, B. Anderson 1990-7-20 5544 Modoc N edge of Howard Flat, W side of Warner Mts. 2000 Comment
  SEINET190964 Image available Poa pratensis A. A. Beetle 1941-6-29 2822 Modoc 15 miles east of Alturas road to Cederville Pass. 1372 Comment
  CAS-BOT-BC247613  Poa pratensis subsp. pratensis Bruce Bartholomew 1989-8-11 5099 Modoc Vicinity of Patterson Ranger Station, S end of Warner Mountains. 2160 Comment
  UC1024903  Poa pratensis subsp. pratensis Leo Whitney 1935-5-21 3112 b Modoc ca 15 mi nw Canby (Lake Joaquina, Hackamore); Modoc Nat'l Forest 1463 Comment
  POM203474  Poa secunda J. T. Howell 1934-6-14 12172 Modoc Near Lost Lake, Warner Mts. 2439 Comment
  POM260300  Poa secunda C. L. Hitchcock 1940-5-27 6660 Modoc 9 miles northeast of Alturas. 1402 Comment
  RSA484223  Poa secunda Christopher Davidson 1975-6-4 2603 Modoc 0.4 mile E of Highway 395 on Highway 299 toward Cedarville. 1380 Comment
  RSA534591  Poa secunda Bruce Bartholomew, B. Anderson 1989-4-28 4658 Modoc 9 km N of State Highway 299 and ca 1.5 km SE Raker & Thomas Reservoir. 1500 Comment
  UCR64615  Poa secunda A. A. Beetle 1941-6-29 2827 Modoc Near summit of Cedarville Pass 2119 Comment
  UCD32737  Poa secunda subsp. juncifolia Beecher Crampton 1954-7-8 2190 Modoc 3 miles W of Alturas, along US Hwy 299. Comment
  UCD92168  Poa secunda subsp. juncifolia Beecher Crampton 1954-7-8 2190 Modoc 3 miles W of Alturas, along US Hwy 299. Comment
  UCD92437  Poa secunda subsp. juncifolia E. Wilson 1935-5-14 s.n. Modoc W side of pass toward Alturas. Comment
  CAS-BOT-BC247601  Poa secunda subsp. secunda Bruce Bartholomew; Barrett Anderson 1989-4-28 4658 Modoc 9 km N of State Highway 299 and ca 1.5 km SE Raker & Thomas Reservoir. 1500 Comment
  CAS-BOT-BC247605  Poa secunda subsp. secunda John Thomas Howell 1934-7-1 12343 Modoc Duncan Horse Camp. 1355 Comment
  CAS-BOT-BC247609  Poa secunda subsp. secunda John Thomas Howell 1934-7-1 12340 Modoc Duncan Horse Camp. 1355 Comment
  HSC10663  Poa secunda subsp. secunda M. T. Milligan 1965-7-1 410 Modoc Plateau W of Jess Valley. 1829 Comment
  JEPS74053  Poa secunda subsp. secunda Frances D. Payne 1932-6-27 621 Modoc s and e Alturas (Parker Creek, Parker Meadow); Warner Mts 1584 Comment
  UC1024934  Poa secunda subsp. secunda Leo Whitney 1935-6-29 3343 Modoc ca 15 mi nw Canby (Lake Joaquina, Hackamore); Modoc Nat'l Forest 1463 Comment
  UC1025025  Poa secunda subsp. secunda Leo Whitney 1935-7-21 3526 Modoc Pit River Comment
  UC1025061  Poa secunda subsp. secunda Leo Whitney 1935-7-23 3568 a Modoc ca 15 mi w Canby (Happy Camp, USBE Plot); Modoc Nat'l Forest 1463 Comment
  UC70963  Poa secunda subsp. secunda M. S. Baker and Frank Nutting 1894-1 Modoc w side of Egg Lake Comment
  UCD32705  Poa secunda subsp. secunda Beecher Crampton 1954-7-7 2131 Modoc W side of Cedar Pass, Warner Mountains. 1889 Comment
  UCD90722  Poa secunda subsp. secunda J. E. Coke 1932-11-1 s.n. Modoc Modoc County. Comment
  UCD92102  Poa trivialis J. C. Hays 1937-7-1 s.n. Modoc Modoc County. Comment
  CAS-BOT-BC252513  Poa wheeleri E. S. Willits 1940-5-16 252 Modoc Willow Ranch. Comment
  CAS-BOT-BC252521  Poa wheeleri Bruce Bartholomew; Barrett Anderson 1990-7-20 5544 Modoc N edge of Howard Flat, W side of Warner Mts. 2000 Comment
  HSC80842  Poa wheeleri G. M. Riegel 1979-7-23 585 Modoc S Warner Mtns. 1829 Comment
  CAS-BOT-BC179356  Pogogyne floribunda Bruce Bartholomew 1991-7-5 5937 Modoc Vicinity of the outlet of Dorris Brothers Reservoir. 1500 Comment
  CHSC67518  Pogogyne floribunda J. D. Jokerst 1987-6-23 2931 Modoc Modoc National Forest, Devils Garden Ranger District (south of Clear lake). Small lake several hundred meters S of Doublehead Lake. Comment
  RSA551272  Pogogyne floribunda Bruce Bartholomew 1991-7-5 5932 Modoc Cow Head Tank, 6 km NW of Dorris Brothers Reservoir. 1520 Comment
  UCD125312  Pogogyne floribunda Herbert L. Mason 1947-8-9 13474 Modoc on east side of Fairchild Swamp, north of Alturas. Comment
  SEINET10781971 Image available Pogogyne floribunda James D. Jokerst 1990-7-31 Jokerst 3205 Modoc Modoc National Forest, Devils Garden Ranger District (South of Clear Lake), about 1.5 miles SE of Dolublehead Mountain, N and adjacent to dirt road and 0.25 mile W of a north to south-oriented fenceline through the center of section 13 (NE 1/4 of NW 1/4), T 45N, R7E. 1372 Comment
  CAS-BOT-BC95161  Polanisia dodecandra subsp. trachysperma John Thomas Howell 1934-6-13 12089 Modoc Surprise Valley, 3 mi N of Eagleville. Comment
  CAS-BOT-BC497330  Polanisia dodecandra var. trachysperma G. Schoolcraft 1999-7-13 2863 Modoc Lower slopes of Warner Mtns, 3 mi N of Eagleville 1463 Comment
  CAS-BOT-BC197858  Polemonium micranthum Bruce Bartholomew 1994-5-14 6687 Modoc 5.1 km SE of Burlington Railroad Northern railroad track on road between Egg Lake and Lookout. 1400 Comment
  CHSC117863  Polemonium micranthum L. P. Janeway 2016-5-16 11979 Modoc Modoc Plateau. Devils Garden area; along Road 47N07 1.8 road-km south of Road 181/73/47N09. 1573 Comment
  CHSC85187  Polemonium micranthum John Dittes; Josephine Guardino 1991-6-1 378 Modoc Modoc Plateau; Big Valley; Ash Creek Wildlife Area; ca. 5.7 air-miles northeast of Bieber, ca. 7.6 air-miles west of Adin, ca. 1.5 air-mile southeast of Pilot Butte summit; meadow at northern edge of Ash Creek Floodplain (Big Swamp) at southeast base of Pilot Butte. 1258 Comment
  JEPS69908  Polemonium micranthum B. C. Goldsmith 1912-5-1 Modoc Alturas Comment
  RSA59937  Polyctenium fremontii E. K. Balls 1950-5-11 14631 Modoc 8.1 miles NE of Fort Bidwell, above Cow Head Lake, along 8-mile Creek. 1463 Comment
  JEPS91060  Polygonum Dean Wm. Taylor, Glenn L. Clifton 1987-6-24 9061 Modoc Whitehorse (site), a railroad siding in Section 16 Whitehorse 1341 Comment
  CAS-BOT-BC419701  Polygonum austiniae Mrs. R. M. Austin 1895-7-1 134 Modoc Goose Lake Valley Comment
  CHSC112072  Polygonum aviculare subsp. buxiforme L. P. Janeway; B. Castro 2014-6-3 11322 Modoc Great Basin. On the dry cracked white mud of Big Mud Lake, near the northwest edge. 1637 Comment
  NY404654  Polygonum aviculare subsp. buxiforme L. C. Wheeler 1973-8-23 s.n. Modoc Alturas Comment
  CAS-BOT-BC218131  Polygonum douglasii Bruce Bartholomew; Barrett Anderson 1988-6-25 4398 Modoc Ryan Canyon, N of Adin. 1390 Comment
  CAS-BOT-BC218139  Polygonum douglasii Alice Eastwood; John Thomas Howell 1914-6-14 8227 Modoc 8 mi. NW of Canby. Comment
  CAS-BOT-BC218143  Polygonum douglasii John Thomas Howell 1934-7-1 12317 Modoc Duncan Horse Camp. 1355 Comment
  JEPS94697  Polygonum douglasii subsp. spergulariiforme Vernon H. Oswald and Lowell Ahart 1998-9-8 9590 Modoc County Road 93 adjacent to the Rail Road at Lookout Junction nw of Lookout; County Road 93 1280 Comment
  UCR174480  Polygonum kelloggii Jim Andre 1993-6-30 1413 Modoc Modoc Plateau, about 10 miles NW of Canby on Hwy 139, near NW end of Oak Ridge 1494 Comment
  RSA518916  Polygonum lapathifolium George K. Helmkamp 1990-9-23 j 18 Modoc Drying mud flats beside Goose Lake, within 0.1 mile of the Oregon border 1372 Comment
  CHSC67587  Polygonum polygaloides subsp. confertiflorum James D. Jokerst 1990-8-2 3216 Modoc SE of Clear Lake Reservoir on a dry meadow edge at the headwaters of Mowitz Creek, ca. 0.66 mi E of Red Lake. Comment
  JEPS98240  Polygonum polygaloides subsp. confertiflorum R. E. Preston 2000-7-17 1388 Modoc 11 mi NW of Canby (N side of Hwy 139, 2.3 mi e of FSR 44N11) 1490 Comment
  JEPS98245  Polygonum polygaloides subsp. confertiflorum R. E. Preston 2000-7-17 1393 Modoc 9.5 mi NW of Canby (N side of Hwy 139, 3.2 mi e of FSR 44N11; 300 ft E of seasonal lake outfall) 1487 Comment
  CAS-BOT-BC218181  Polygonum polygaloides subsp. esotericum Alice Eastwood; John Thomas Howell 1940-6-14 8209 Modoc 8 mi. NW of Canby. Comment
  UC1748337  Polygonum polygaloides subsp. esotericum James D. Jokerst 1987-7-17 2953 Modoc Hwy. 139 N of Canby (300 m N of hwy. at SE edge of a large dry lake on a dry barren mudflat near the concrete overflow weir) Comment
  UCD77942  Polygonum polygaloides subsp. esotericum Robert E. Preston 2000-7-18 1397 Modoc Ca. 12 mi nw of Canby, along Hwy 139, 1.6 mi e of Forest Service Rd 44N11. 1490 Comment
  UCR142913  Polygonum polygaloides subsp. esotericum L. C. Wheeler 1935-8-25 3919 Modoc Devil's Garden; Rimrock Valley Reservoir 1524 Comment
  CAS-BOT-BC218189  Polygonum polygaloides subsp. kelloggii Roxana Stinchfield Ferris; R. Duthie 1919-6-14 107 Modoc Above Parker Creek, Warner Mts. Comment
  CAS-BOT-BC218193  Polygonum polygaloides subsp. kelloggii Louis Cutter Wheeler 1935-8-25 3918 Modoc Rim Rock Valley Reservoir, Devil's Garden. 1524 Comment
  CDA15890  Polygonum punctatum J. DiTomaso 2000-7-25 s.n. Modoc Modoc Plateau; Along Eastside Canal, 1/4 mi. W of US Hwy 395 off Jones Lane, and 1/2 mi. S of southern tip of Modoc National Wildlife Refuge. 1371 Comment
  CDA22857  Polygonum ramosissimum T. C. Fuller 1958-8-12 2068 Modoc Corporation Ranch, Likely. 0 Comment
  CHSC117258  Polygonum ramosissimum subsp. prolificum Lowell Ahart; John Dittes 2016-7-14 21191 Modoc West of a new pond, south of Ash Creek Canal (now filled in), south of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. 1273 Comment
  UC526133  Polygonum sawatchense subsp. sawatchense John Thomas Howell 1934-7-1 12317 Modoc Duncan Horse Camp Comment
  UCR208105  Polygonum sawatchense subsp. sawatchense Arnold Tiehm 1984-6-30 08841 Modoc NE ('northwest') side of Mount Bidwell, 2.8 road miles north of Eightmile Creek on the road from Lake Annie 1829 Comment
  HSC80999  Polygonum sawatchense subsp. sawatchense G. M. Riegel 1978-8-11 638 Modoc S Warner Mtns. 2100 Comment
  UCD91407  Polypogon monspeliensis L. Whitney 1935-7-17 3514 Modoc Modoc National Forest. Lake Joaquina, Hackamore, ca. 15 miles NW of Canby 1463 Comment
  JEPS48052  Populus tremuloides Frances D. Payne 1931-7-5 326 Modoc s and e of Alturas (Warner Mountains, Parker Creek); Warner Mountains, Parker Creek 1584 Comment
  CAS-BOT-BC95150  Porterella carnosula Bruce Bartholomew 1995-6-23 7001 Modoc 3.4 km from Goose Lake on road to Meteorite Tank. 1600 Comment
  CAS-BOT-BC95152  Porterella carnosula Bruce Bartholomew 1991-6-21 5809 Modoc 4 km S of Forest Service road 73 on road to Rim Rock Valley. 1570 Comment
  RSA603999  Porterella carnosula L. C. Wheeler 1935-8-3 3756 Modoc Warner Mountains: Rock Lake, Pine Creek 1920 Comment
  CAS-BOT-BC267120  Potamogeton Milo S. Baker 1999-8-5 3660 b Modoc Fall River near [unreadable] Comment
  CAS-BOT-BC242202  Potamogeton diversifolius Louis Cutter Wheeler 1935-8-22 3903 Modoc South Mt. Reservoir, Devil's Garden. 1524 Comment
  UCD138227  Potamogeton epihydrus Verne Grant; Irving Schneider 1947-7-21 8127 Modoc North Fork of Pit River by bridge on Highway 395, north of Alturas. Comment
  UC1099882  Potamogeton epihydrus subsp. nuttallii Herbert L. Mason, Verne Grant 1947-6-12 13397 Modoc several mi s of Alturas (by Jones' Lane, off Hwy 395) Comment
  CAS-BOT-BC242241  Potamogeton foliosus Verne Grant; I. Schneider 1947-7-22 8153 Modoc Headwaters of North Fork of Pit River, 1 mi. NW of Hwy 395 on dirt road leading to S end of Goose Lake. Comment
  CAS-BOT-BC242245  Potamogeton foliosus Bruce Bartholomew 1995-9-4 7204 Modoc Drainage from Taylor Reservoir just E of junction of County roads 93 and 94. 1260 Comment
  POM312996  Potamogeton foliosus Verne Grant, Irving Schneider 1947-7-22 8153 Modoc Headwaters of North Fork of Pit River, one mile northwest of Highway 395 on dirt road leading to south end of Goose Lake. Comment
  JEPS120120  Potamogeton foliosus subsp. foliosus Lowell Ahart, John Dittes 2012-7-12 18359 Modoc North edge of Ash Creek, south of the gravel pit, about 1/8 mile east of the parking area on the east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. Comment
  CAS-BOT-BC242260  Potamogeton pectinatus Verne Grant; I. Schneider 1947-7-19 8085 Modoc S of Williams ranch house, N of Likely. Comment
  UCD138297  Potamogeton richardsonii Malcolm A. Nobs; S. Galen Smith 1949-7-22 1068 Modoc South Fork of Pit River, Likely. Comment
  CHSC116072  Potentilla biennis Lowell Ahart; John Dittes 2015-7-16 20373 -A Modoc South edge of Ash Creek (destroyed), southeast of the gravel pit (destroyed), about 1/8 mile east of the parking area on the east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  RSA233766  Potentilla biennis Robert F. Thorne 1969-9-5 39172 Modoc Modoc National Forest, Warner Mts, along Fall Creek below Falls. 1738 Comment
  JEPS47227 Image available Potentilla breweri Frances D. Payne 1931-6-29 286 A Modoc s Mosquito Lake (e slope of Mt. Warren); Warner Mts., e slope of Mt. Warren 2133 Comment
  RSA612793  Potentilla bruceae Louis C. Wheeler 1935-8-1 3734 -B Modoc Dismal Swamp, Twenty Mile Creek, Warner Mountains. 2226 Comment
  CAS-BOT-BC214740  Potentilla drummondii Bruce Bartholomew; Barrett Anderson 1988-7-22 4543 A Modoc Benton Meadow, Warner Mts.. 2180 Comment
  UC748060  Potentilla drummondii subsp. bruceae Annie M. Alexander and Louise Kellogg 1946-6-30 4872 Modoc Highgrade, w side of ridge n end of Warner Mountains 2377 Comment
  RSA520455  Potentilla fruticosa K. Paulson 1990-7-2 212 Modoc Dismal Swamp, Warner Mts. 2195 Comment
  CAS-BOT-BC214790  Potentilla gracilis Milo Samuel Baker; Franklin P. Nutting 1894-1-1 s.n. Modoc Near Egg Lake. Comment
  UCD113859  Potentilla gracilis Verne Grant; Irving Schneider 1947-7-19 8073 Modoc Williams ranch; along Souhern Pacific right-of-way near East Canal, in Pit Valley south of Alturas. Comment
  JEPS47212  Potentilla gracilis var. fastigiata Frances D. Payne 1931-6-17 181 Modoc Parker Creek, Warner Mountains, south and east of Alturas. 1584 Comment
  JEPS44161  Potentilla gracilis var. fastigiata L. S. Smith 1918-6-14 937 Modoc Willow Creek and Lassen Creek Warner Mts., Willow Creek and Lassen Creek 1828 Comment
  UC114480  Potentilla gracilis var. flabelliformis Mrs. R. M. Austin June 1894 83 Modoc Davis Creek Comment
  UC639591  Potentilla gracilis var. flabelliformis Frances Payne 1931-7-4 319 Modoc Parker Creek Warner Mountains. 1584 Comment
  POM33919  Potentilla gracilis var. flabelliformis R. M. Austin 1890-07 523 Modoc Goose Lake. Comment
  UC420583  Potentilla gracilis var. flabelliformis W. P. Taylor and H. C. Bryant 1910-7-11 Modoc Alturas Warner Mountains, South Fork Pitt River (South Fork Pitt River) 1402 Comment
  UC545665  Potentilla newberryi John Thomas Howell 1934-7-2 12359 Modoc e side Clear Lake; e side of Clear Lake Comment
  JEPS127291  Potentilla rivalis Lowell Ahart, John Dittes 2016-7-14 21196 Modoc South of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin Big Valley. Comment
  UC1037235  Potentilla rivalis Leo Whitney 1934-5-20 3041 Modoc bank of Lost River near Clear Lake; bank of Lost River near Clear Lake 1463 Comment
  CHSC85141  Poteridium annuum John Dittes; Josephine Guardino 1991-7-21 396 Modoc Modoc Plateau; Big Valley; Ash Creek Wildlife Area; ca. 7.7 air-miles northeast of Bieber, ca. 4.0 air-miles west by southwest of Adin, ca. 5.0 air-mile east by southeast of Pilot Butte summit, ca. 0.6 mile east of Walters Road and Owl Barn; meadow at southern edge of Ash Creek Floodplain. 1271 Comment
  POM70066  Prunella vulgaris var. lanceolata Mrs. R. M. Austin 1895-07 443 Modoc Goose Lake Valley. Comment
  SEINET3157223  Prunus demissa L. S. Rose 1940-6-13 40554 Modoc Fandango Pass 1905 Comment
  JEPS44710  Prunus emarginata Frances D. Payne 1929-6-23 19 Modoc s and e of Alturas (Parker Creek); Warner Mountains, Parker Creek 1584 Comment
  UCSB18014  Prunus emarginata Haller, John 1962-6-8 Modoc Slopes adjacent to South Fork of the Pit River, near Little Meadows Campground, Likely-Eagleville Road about 8 miles East of Likely, Warner Mountains 1584 Comment
  RSA59864  Prunus subcordata E. K. Balls 1950-5-11 14613 Modoc 2 miles N of Lake City. W of Upper Alkali Lake. 1418 Comment
  UC1281130  Prunus subcordata H. E. McMinn 1931-5-23 2480 Modoc Warner Mountains Comment
  UC176217  Prunus subcordata Mrs. M. H. Manning Aug. 1914 Modoc Near Tule or Rhett Lake (Lava Beds National Monument); Lava Beds National Monument Comment
  UCD113510  Prunus subcordata T. C. Fuller 1963-7-16 11008 Modoc south side of Fandango Pass Road, just east of road to Willow Ranch, west base of the Warner Mountains. Comment
  CAS-BOT-BC214812  Prunus subcordata R. M. Austin 1898-6-1 2343 Modoc Modoc County. Comment
  CDA26199  Prunus subcordata var. oregana T. C. Fuller 1963-7-16 11008 Modoc South side of Fandango Pass Road just east of road to Willow Ranch, west base of the Warner Mountains. 0 Comment
  CAS-BOT-BC225004  Prunus virginiana var. demissa Isabelo T. Kelly 1930-1-1 4 Modoc Fort Bidwell. Comment
  CAS-BOT-BC225018  Prunus virginiana var. demissa Thomas C. Fuller 1963-7-16 11008 Modoc S side of Fandango Pass Rd. just E of road to Willow Ranch, W base of Warner Mts. Comment
  SBBG30529  Prunus virginiana var. demissa D. Myrick 1968-6-20 1974 Modoc E slope of Cedar Pass, Hwy 299, 20 mi E of Alturas 1828 Comment
  SJSU9683  Prunus virginiana var. demissa W. Savage 1979-7-26 1573 Modoc Long Meadow Unit, Devils Garden Ranger District, Modoc National Forest 1584 Comment
  UC177005  Pseudobahia heermannii Mrs. R. M. Austin June 1885 Modoc Goose Lake Valley Comment
Read comments
May 28 2006
  CAS-BOT-BC227479  Pseudoroegneria spicata Gregg M. Riegel 1980-6-30 790 Modoc Unspecified 2415 Comment
  CAS-BOT-BC252501  Pseudoroegneria spicata subsp. spicata Leland S. Smith 1924-6-15 1403 Modoc Lavas W of Mud Lake. 1371 Comment
  CAS-BOT-BC252505  Pseudoroegneria spicata subsp. spicata John H. Hatton 1911-6-24 166 Modoc unspecified Comment
  UC1137111  Pseudoroegneria spicata subsp. spicata August L. Hormay 1932-7-14 Modoc Modoc National Forest, D D plot site Modoc National Forest; , D D plot site Comment
  UC1192096  Psilocarphus brevissimus var. brevissimus Herbert L. Mason 1947-8-12 13513 Modoc outside Alturas (junction of North and South Forks of Pit River); Pit River Comment
  CAS-BOT-BC30197  Pteridium aquilinum var. pubescens Bruce Bartholomew 1994-5-28 6715 Modoc E side of Sugar Hill, W side of Warner Mts. 1840 Comment
  CAS-BOT-BC95680  Pterospora andromedea Francis Dorris Payne 1935-7-19 799 Modoc Dry Creek. Comment
  UC412725  Pterospora andromedea Franklin P. Nutting Modoc near Forestdale Comment
  UC21685  Pterospora andromedea Milo S. Baker 1893-6 Modoc Comment
  UCD32718  Puccinellia Beecher Crampton 1954-7-7 2155 Modoc Modoc County, 2.5 miles east of Alturas, near radio station KCNO. Comment
  SEINET229269 Image available Puccinellia nuttalliana Arnold Tiehm, Jan Nachlinger; Gary Schoolcraft 1984-6-24 880 Modoc Surprise Valley east side of Middle Alkali Lake east of Cedarville. 1356 Comment
  UCD32740  Puccinellia nuttalliana Beecher Crampton 1954-7-8 2193 Modoc Modoc County, 3 miles west of Alturas, along US highway 299. Comment
  UCD35723  Purshia tridentata Beecher Crampton 1960-6-17 5681 Modoc 5 miles south of Perez, Plant Quarantine Station area. 1371 Comment
  CAS-BOT-BC218232  Purshia tridentata var. tridentata Robert Patterson; Mona Bourell 1993-8-15 5236 Modoc Warner Mountains. Along trail from Patterson Lake to ca. 2 mi north towards Pepperdine Trailhead. 2743 Comment
  RSA504846  Purshia tridentata var. tridentata Bruce Bartholomew, B. Anderson 1988-7-21 4447 Modoc SW side of Jess Valley. Warner Mtns. 1540 Comment
  RSA520466  Purshia tridentata var. tridentata K. Paulson, R. Paulson 1989-5-8 112 Modoc Howard's Gulch. Along Hwy 139. 1372 Comment
  HSC80765  Pyrola dentata G. M. Riegel 1980-8-12 1039 Modoc S Warner Mtns. 1670 Comment
  JEPS58817  Pyrola dentata Milo S. Baker 1893-7-20 Modoc Near Forestdale Comment
  RSA0081566  Pyrola minor Bruce Bartholomew, B. Anderson, Bartholomew 1990-7-20 5511 Modoc Tamarack Flat, E side of Warner Mts. 2150 Comment
  NY188348  Pyrola picta B. M. Bartholomew 1988-7-21 4408 Modoc Whitehorse Mountains, 11 km N of Day on the road to Whitehorse Flat Reservoir 1340 Comment
  UC412674  Pyrola picta Franklin P. Nutting 1920-8-1 Modoc near Forestdale (Big Valley Mountains); Big Valley Mountains Comment
  CDA14603  Pyrrocoma carthamoides var. cusickii G. D. Barbe 1991-8-27 4443 Modoc Warner Mountains; east of Bald Mountain, Modoc National Forest. 2316 Comment
  CHSC115492  Pyrrocoma carthamoides var. cusickii L. P. Janeway 2014-7-8 11458 Modoc Modoc Plateau. East corner of Dry Creek Rim; along Road 47N08 (Corral Creek Road) 3.1 road-km north-northwest of Road 48 (along the west edge of Goose Lake). 1650 Comment
  POM229872  Pyrrocoma carthamoides var. cusickii L. C. Wheeler 1935-8-12 3827 Modoc Cottonwood Creek, Warner Mts. 1677 Comment
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Aug 8 2009
  JEPS89745  Pyrrocoma hirta var. hirta Dean Wm. Taylor with Glenn L. Clifton 1989-8-6 10501 Modoc w. shore Lower Lake (marshes bordering outflow channels from small warm springs); Surprise Valley, Lower Lake 1363 Comment
  CAS-BOT-BC180126  Quercus garryana var. garryana Bruce Bartholomew; Barrett Anderson 1988-6-23 4261 Modoc 1.8 km WSW of Day on County Road 94. 1170 Comment
  CAS-BOT-BC105113  Quercus kelloggii Annie M. Alexander; Louise Kellogg 1948-9-18 5623 Modoc 1 mile SW of Adin Pass summit 1524 Comment
  CAS-BOT-BC217252  Ranunculus alismifolius Annie Montague Alexander; L. Kellogg 1946-6-8 4696 Modoc Road from Eagleville to Patterson Mill. 2286 Comment
  RSA604739  Ranunculus alismifolius var. alismifolius Louis C. Wheeler 1935-8-4 3774 Modoc Warner Mountains: Dismal Swamp, Twenty Mile Creek. 2226 Comment
  UC9361  Ranunculus alismifolius var. alismifolius Milo S. Baker 1893-6-18 Modoc Comment
  CHSC37773  Ranunculus andersonii N. Prouty 1980-6-9 184 Modoc Sheep Rock Timber Sale. 2072 Comment
  CAS-BOT-BC217262  Ranunculus aquatilis var. aquatilis Robert Folger Thorne; C. W. Tilforth 1969-9-5 39171 Modoc Clear Lake, Warner Mountains. 1767 Comment
  CAS-BOT-BC379163  Ranunculus aquatilis var. aquatilis F. P. Cronemiller; L. S. Smith 1923-6-18 601 Modoc Indian Dick R.S. Comment
  CAS-BOT-BC379172  Ranunculus aquatilis var. aquatilis Clare R. Wheeler; Gladys L. Smith 1980-5-20 1635 Modoc Reeves Canyon Road, upper section, about 8 mi W of Hwy 101 366 Comment
  JEPS60659  Ranunculus aquatilis var. capillaceus Frances D. Payne 1929-7-26 124 Modoc 2 mi sw Warren Mt. (se Modoc Co., pond outlet); Pine Creek Basin 2133 Comment
  UC70362  Ranunculus aquatilis var. capillaceus Milo S. Baker 1899-8-24 Modoc Carmichael's Mill Big Valley Comment
  UC1101362  Ranunculus aquatilis var. capillaceus Herbert L. Mason and Verne Grant 1947-7-11 13378 Modoc downstreamn from Jess Valley (by Forest Service Camp site); South Fork of Pit River Comment
  CAS-BOT-BC217273  Ranunculus aquatilis var. diffusus Bruce Bartholomew 1991-7-5 5945 Modoc North Willow Creek, vicinity of the Oregon border. 1580 Comment
  CDA24298  Ranunculus aquatilis var. subrigidus J. Elliott 1975-7-11 75 Modoc Pit River, approximately 8 miles northeast of Alturas on Highway 395. 0 Comment
  RSA399404  Ranunculus californicus Christopher Davidson 1973-5-26 2131 Modoc 4 miles W of Canby on Hwy 299. 1341 Comment
  JEPS124388  Ranunculus cymbalaria Lowell Ahart, John Dittes 2015-7-15 20348 Modoc Ash Creek State Wildlife Area, about 3.9 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. Comment
  POM269960  Ranunculus cymbalaria var. saximontanus W. T. Frost 1925-7-11 9 Modoc Cedar Canyon, 2 miles above Cedaville, Warner Mts, Modoc County Comment
  POM269956  Ranunculus cymbalaria var. saximontanus Louis C. Wheeler 1935-8-3 3769 Modoc Pine Creek, Warner Mts 1555 Comment
  RSA604932  Ranunculus cymbalaria var. saximontanus Louis C. Wheeler 1935-8-3 3769 Modoc Pine Creek, Warner Mts 1555 Comment
  CAS-BOT-BC217238  Ranunculus eschscholtzii var. oxynotus Elmer Ivan Applegate 1932-8-3 8133 Modoc E slope of Eagle Peak, Warner Mts. 2743 Comment
  POM99180  Ranunculus flammula var. ovalis R. M. Austin 1895-07 s.n. Modoc Goose Lake Valley. Comment
  UC118385 Image available Ranunculus glaberrimus Mrs. R. M. Austin June 1894 77 Modoc bluffs e Willow Creek Valley (thirty mi w of Goose Lake) Comment
Read comments
May 28 2006
  UC1191128  Ranunculus glaberrimus William P. Dasmann 1947-4-19 32 Modoc Saddle Blanket Flat area 1371 Comment
  HSC18214  Ranunculus glaberrimus var. glaberrimus M. T. Milligan 1966-4-8 450 Modoc N end of Jess Valley 1616 Comment
  OBI48153  Ranunculus macounii Rhonda Riggins 1989-4-28 1672 Modoc 0.3 mi W West Warner Rd on Parker Crk rd, W side Warner Mts. T41N, R14E, sec 27 Comment
  CAS-BOT-BC217217  Ranunculus occidentalis Fred D. Douthitt 1916-4-27 8 Modoc Henderson Meadow. 1737 Comment
  UC1126194  Ranunculus occidentalis R. C. Wilson 1933-5-21 22 Modoc Rush Creek Canby Quadrangle Comment
  CHSC33383  Ranunculus occidentalis var. dissectus J. P. Smith; J. O. Sawyer 1972-5-6 5263 Modoc Forest Service road to Quail Spring at State Route 299 north of Adin. 1463 Comment
  HSC18162  Ranunculus occidentalis var. dissectus M. T. Milligan 1965-7-10 430 Modoc W slope of Eagle Peak. 2439 Comment
  POM275139  Ranunculus occidentalis var. eisenii A. M. Alexander, Louise Kellogg 1946-6-7 4672 Modoc 0.5 miles E of Cedarville. 1454 Comment
  CHSC118088  Ranunculus occidentalis var. occidentalis L. P. Janeway 2016-5-17 12042 Modoc Modoc Plateau. Devils Garden area; where Road 45N06 crosses Logans Slough; about 3.2 air-km north of Big Sage Reservoir. 1494 Comment
  UC9496  Ranunculus repens Mrs. R. M. Austin and Bruce July 1898 2298 Modoc Goose Lake Valley Comment
  CAS-BOT-BC217190  Ranunculus sceleratus Bruce Bartholomew 1990-6-17 5332 Modoc Surprise Valley, at the W side of Middle Alkali Lake, directly E of Cedarville. 1370 Comment
  UC748217  Ranunculus sceleratus Annie M. Alexander and Louise Kellogg 1946-6-7 4674 Modoc 2 mi e Cedarville (in marsh) 1453 Comment
  CAS-BOT-BC217151  Ranunculus sceleratus var. multifidus John Thomas Howell 1934-6-15 12198 Modoc Dorris Reservoir, 2 mi. E of Alturas. Comment
  CAS-BOT-BC217200  Ranunculus sceleratus var. multifidus John Thomas Howell 1934-6-13 12090 Modoc 2.5 mi. S of Eagleville. Comment
  POM275140  Ranunculus sceleratus var. multifidus A. M. Alexander, Louise Kellogg 1946-6-7 4674 Modoc 0.5 miles E of Cedarville. 1454 Comment
  CAS-BOT-BC217159  Ranunculus uncinatus Francis Dorris Payne 1929-7-7 62 Modoc Pine Creek Basin, Warner Mts. 2316 Comment
  CAS-BOT-BC217161  Ranunculus uncinatus Bruce Bartholomew 1994-5-30 6744 Modoc Johnson Creek. 1570 Comment
  HSC98180  Ranunculus uncinatus M. T. Milligan 1964-6-25 86 Modoc Upper Lassen Creek 1829 Comment
  JEPS3949  Ranunculus uncinatus N. T. Mirov 1929-7-4 Modoc about one mi s Oregon-California boundary; Warner Mountains, Lily Lake 2133 Comment
  CAS-BOT-BC95605  Rhodiola rosea subsp. integrifolia Bruce Bartholomew 1990-8-4 5654 Modoc E and below junction of Pine Creek Trail and Summit Trail, E side of Warner Mts. 2680 Comment
  CAS-BOT-BC95677  Rhododendron columbianum K. Paulson; Robert Paulson 1989-7-14 189 Modoc Vicinity of Bell Mine, N end of the Warner Mts. 2217 Comment
  RSA520469  Rhus trilobata Bruce Bartholomew, B. Anderson 1989-4-27 4622 Modoc Little Hot Springs Valley, 2.9 km. NW of Day 1080 Comment
  CAS-BOT-BC225854  Ribes aureum Bruce Bartholomew; Barrett Anderson 1989-6-3 4872 Modoc Boles Creek, ca. 5.5 km E of the SE corner of Clear Lake Reservoir. 1430 Comment
  UC71821  Ribes aureum Mrs. M. H. Manning 1903-4 95 Modoc valley near Fort Bidwell Comment
  CAS-BOT-BC225864  Ribes cereum Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10538 Modoc Patterson Ranger Station (East Creek drainage), Warner Mts. 2164 Comment
  CAS-BOT-BC225877  Ribes cereum Roxana Stinchfield Ferris; R. Duthie 1919-6-15 89 Modoc Parker Creek near Modoc Nat. Forest Boundary. Comment
  CAS-BOT-BC225892  Ribes cereum Bruce Bartholomew; Barrett Anderson 1988-5-14 4199 Modoc Pease Cabin, 0.8 km E of Fletcher Creek on USFS road 47N09 between Goose Lake and Crowder Flats. 1550 Comment
  HSC20287  Ribes cereum R. C. Wunner 1965-6-20 228 Modoc Lava Beds N.M., Lava Brook Cave. 1463 Comment
  HSC80719  Ribes cereum G. M. Riegel 1980-7-2 814 Modoc S Warner Mtns. 1670 Comment
  JEPS49422  Ribes cereum W. L. Jepson 1918-8-7 7876 Modoc at very summit Mt. Bidwell 2507 Comment
  RSA165507  Ribes cereum Clare B. Hardham 1961-6-18 7571 Modoc Mts S of summit of Cedar Pass. Comment
  RSA271927  Ribes cereum Christopher Davidson 2620 Modoc 2.5 mi W of Cedarville on Hwy 299. 1677 Comment
  UC466054  Ribes cereum B. C. Goldsmith 1910-1 Modoc Alturas Comment
  UC71795  Ribes cereum Mrs. M. H. Manning 1902-10-11 37 a Modoc Warner Mts. 1828 Comment
  CAS-BOT-BC225906  Ribes montigenum Annie Montague Alexander; L. Kellogg 1946-6-25 4822 Modoc Dismal Swamp, N end of Warner Mts. 2255 Comment
  CAS-BOT-BC225908  Ribes montigenum Annie Montague Alexander; L. Kellogg 1946-6-25 4822 Modoc Dismal Swamp, N end of Warner Mts. 2255 Comment
  NY455307  Ribes montigenum B. M. Bartholomew 1988-6-24 4293 Modoc Road beyond Poison Lake, ca. 8 km south of the road from US Highway 395 to Lily Lake, Warner Mountains 2130 Comment
  CAS-BOT-BC225928  Ribes velutinum Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-11 6500 Modoc W side of Timber Mountain on Crowder Flat Road. 1680 Comment
  CAS-BOT-BC225930  Ribes velutinum E. S. Willits 1940-4-16 174 Modoc Sugar Hall. Comment
  UC1539998  Ribes velutinum M. Mitchell 1936-5-21 25 Modoc Frozen River Cave Lava Beds National Monument 1348 Comment
  RSA0019692  Ribes velutinum E. K. Balls 1950-5-13 14666 Modoc Goose Lake, east shore near Willow Ranch. 1463 Comment
  CAS-BOT-BC225947  Ribes viscosissimum Elmer Ivan Applegate 1932-8-7 8091 Modoc Mill Creek, Warner Mts. Comment
  UC71791  Ribes viscosissimum Mrs. M. H. Manning 1904-7 511 Modoc Mill Canyon 1828 Comment
  RSA0020906  Ribes viscosissimum Louis C. Wheeler 1935-8-14 3850 Modoc Lily Lake, Pine Creek, Warner Mountains. 2073 Comment
  CAS-BOT-BC50330  Rigiopappus leptocladus Bruce Bartholomew 1993-6-14 6665 Modoc 4 km E of County Road 114 on County Road 108, NW of Clear Lake Reservoir. 1400 Comment
  CAS-BOT-BC50375  Rigiopappus leptocladus Bruce Bartholomew; Barrett Anderson 1989-6-1 4746 Modoc ca. 0.5 km S of State Hwy 299 on road to Shaker Spring. 1420 Comment
  JEPS30486  Rigiopappus leptocladus Peter H. Raven and Otto T. Solbrig 1958-6-18 13319 Modoc along dirt road 8.8 mi s Happy Camp Guard Station; Modoc National Forest Comment
  RSA584833  Rigiopappus leptocladus Bruce Bartholomew 1993-6-12 6575 Modoc Road to Day Rock from Little Hot Spring Valley 1200 Comment
  UC90670  Rigiopappus leptocladus Mrs. R. M. Austin Modoc Lost River Canyon Comment
  UCD115241  Rorippa austriaca W. S. Ball 1937-6-27 s.n. Modoc Corporation Ranch. Comment
  CHSC67098  Rorippa columbiae James D. Jokerst 1987-6-26 2942 Modoc Fairchield Swamp. Comment
  UC1191428  Rorippa nasturtium-aquaticum Verne Grant and Irving Schneider 1947-7-22 8154 Modoc one mi nw of Highway 395 on dirt road leading to s end Goose Lake (headwaters North Fork Pit River); , s end Goose Lake Comment
  CHSC99966  Rosa woodsii subsp. ultramontana Lowell Ahart; John Dittes 2008-8-26 15348 Modoc Southeast side of Rose Creek, 750 feet southwest of confluence of Rose Creek and Pit River, on the northwest side of unnamed road, 2660 feet east of intersection with County Road 85a, 9.3 miles (air) north-northeast of Lookout. 1276 Comment
  HSC19613  Rosa woodsii subsp. ultramontana M. T. Milligan 1964-7-1 103 Modoc Rattlesnake Butte Rd. at Pit River. 1372 Comment
  POM89374  Rosa woodsii subsp. ultramontana R. M. Austin 1895-08 455 Modoc Goose Lake Valley Comment
  CAS-BOT-BC218258  Rosa woodsii var. ultramontana Fred. P. Cronemiller 1920-6-15 25 Modoc Fillingin's. 1371 Comment
  UC12904  Rosa woodsii var. ultramontana Milo S. Baker 1893-6-26 Modoc Forestdale Comment
  CAS-BOT-BC218266  Rubus parviflorus Bruce Bartholomew 1989-7-14 4929 Modoc Along Rush Creek between Lower and Upper Rush Creek Campgrounds. 1580 Comment
  HSC17597  Rumex crispus M. T. Milligan 1964-7-1 105 Modoc Rattlesnake Butte Rd. at Pit River. 1372 Comment
  CAS-BOT-BC211349  Rumex lacustris Herbert Louis Mason; Verne Grant 1947-8-27 8309 Modoc South end of Clear Lake. Comment
  CAS-BOT-BC211350  Rumex lacustris Herbert Louis Mason; Verne Grant 1947-8-27 8309 Modoc South end of Clear Lake. Comment
  CAS-BOT-BC211345  Rumex lacustris Elmer Ivan Applegate 1936-5-12 10294 Modoc Lava Bed National Monument, W side of Petroglyph Butte. Comment
  UC1735897  Rumex maritimus Dean W. Taylor 1989-8-6 10500 Modoc Warner Mountains, Suprise Valley, warm spring on west shore Lower Lake 1363 Comment
  UC1101219  Rumex salicifolius var. lacustris Verne Grant and Irving Schneider 1947-8-27 8309 Modoc s end Clear Lake Comment
  UC748315  Rumex salicifolius var. salicifolius Annie M. Alexander and Louise Kellogg 1946-8-3 5113 Modoc Head of Eagle Creek Warner Mountains Comment
  CDA23212  Rumex salicifolius var. triangulivalvis T. C. Fuller 1958-7-8 2033 Modoc 4 miles south of Pine Creek. 0 Comment
  CAS-BOT-BC211322  Rumex triangulivalvis Roxana Stinchfield Ferris; R. Duthie 1919-6-15 162 Modoc Parker Creek, Warner Mts. Comment
  POM260470  Sagina saginoides C. L. Hitchcock 1940-5-27 6708 Modoc 15 miles NE of Alturas. 1677 Comment
  UC567  Sagittaria cuneata Milo S. Baker 1893-7-25 Modoc Egg Lake 1219 Comment
  UC935737  Sagittaria cuneata Herbert L. Mason and Verne Grant 1947-7-11 13368 Modoc irrigation ditch by Jones Lane off Highway 395 s Alturas Comment
  UC935799  Sagittaria cuneata Malcolm A. Nobs, S. Galen Smith and Herbert L. Mason 1949-5-29 768 Modoc e Kelly Hot Springs; e of Kelly Hot Springs Comment
  RSA603489  Salix Louis C. Wheeler 1935-8-13 3832 Modoc Warner Mountains: Barnes Creek. Mt. Diablo Mer. 2287 Comment
  CAS-BOT-BC125942  Salix X rubens Mrs. H. P. Bracelin 1934-6-13 818 Modoc Lower Lake 2 1/2 miles south of Eagleville, base of eastern side of Warner Mts. Comment
  CAS-BOT-BC225112  Salix bebbiana A. D. Borden 1911-5-21 s.n. Modoc SE shore of Goose Lake Comment
  UC482331  Salix boothii Frances D. Payne 1931-7-7 331 Modoc 33 km. se of Alturas; Warner Mts., Pine Creek Basin 2280 Comment
  SBBG28799  Salix eastwoodiae F. D. Payne 1931-6-25 275 Modoc Pine Crk Basin, ca. 33 km SE of Alturas 2280 Comment
  SD965  Salix eastwoodiae Frances D. Payne 1931-7-8 177 Modoc Pine Creek Basin, Warner Mountains, about 33 km southeast of Alturas, wet flat near spring, creek 2280 Comment
  UC433176  Salix eastwoodiae Belknap C. Goldsmith 1911-5-21 25 Modoc e shore Goose Lake; Modoc Forest Comment
  UC481868  Salix eastwoodiae Frances D. Payne 1931-7-7 333 Modoc ca. 33 km. se Alturas (below spring); Warner Mts., Pine Creek Basin 2280 Comment
  CAS-BOT-BC225771  Salix exigua Francis Dorris Payne 1931-6-10 139 Modoc Parker Creek, Warner Mountains 1560 Comment
  CAS-BOT-BC225775  Salix exigua H. P. Bracelin 1931-6-30 501 Modoc Alturas, SW end of town. 1360 Comment
  CAS-BOT-BC225779  Salix exigua H. P. Bracelin; Francis Dorris Payne 1931-6-30 495 Modoc Parker Creek, 20 km E of Alturas, meadow S of Payne Ranch 1560 Comment
  NY187440  Salix exigua N. F. Bracelin 1931-6-30 501 Modoc Alturas 1360 Comment
  RSA0039537  Salix exigua Lowell A. Ahart, John Dittes 2008-8-25 15310 Modoc On the east bank (flood plain) of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout. 1273 Comment
  UC481954  Salix exigua Mrs. H. P. Bracelin and Miss Frances D. Payne 1931-6-30 488 Modoc 20 km. e Alturas (Parker Creek, meadow s of Payne Ranch); Parker Creek 1560 Comment
  UC481955  Salix exigua Mrs. H. P. Bracelin and Miss Frances D. Payne 1931-6-30 494 Modoc 20 km. e Alturas (Parker Creek, meadow s of Payne Ranch) 1560 Comment
  RSA59859  Salix exigua E. K. Balls 1950-5-20 14793 Modoc South Fork Public Camp, South Fork Pit River, Likely to Clear Lake. 1433 Comment
  HSC30067  Salix geyeriana D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19344 Modoc Near Mill Creek, S Warner Wilderness Area Comment
  CAS-BOT-BC229683  Salix lasiandra subsp. caudata Elmer Ivan Applegate 1929-6-25 5899 Modoc Cottonwood Creek, E side of Goose Lake. Comment
  CAS-BOT-BC229691  Salix lasiandra subsp. caudata Roxana Stinchfield Ferris; R. Duthie 1919-6-14 188 Modoc Parker Creek near Modoc Nat. Forest Boundary. Comment
  UC1408969  Salix lasiandra var. caudata R. F. Thorne and C. W. Tilforth 1969-9-5 39144 Modoc ca. 6 mi. e. Likely (along S. Fork Pit River above junction with West Creek at Public Campground); S. Fork Pit River 1402 Comment
  CAS-BOT-BC197562  Salix lasiandra var. lasiandra H. P. Bracelin; Francis Dorris Payne 1931-6-30 498 Modoc Parker Creek, 20 km E of Alturas. 1560 Comment
  SBBG57847  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-29 486 Modoc halfway between Adin and Canby 1350 Comment
  UC481841  Salix lasiolepis Frances D. Payne 1931-6-10 136 Modoc Warner Mts., Parker Creek 1560 Comment
  CAS-BOT-BC197552  Salix lasiolepis var. lasiolepis H. P. Bracelin 1931-6-29 486 Modoc Halfway between Adin and Canby. 1350 Comment
  CAS-BOT-BC229695  Salix lemmonii Annie Montague Alexander; L. Kellogg 1946-6-26 4840 Modoc Dismal Swamp, N end of Warner Mts. 2255 Comment
  CAS-BOT-BC229699  Salix lemmonii H. P. Bracelin; Francis Dorris Payne 1931-6-30 496 Modoc Parker Creek, 20 km E of Alturas. 1560 Comment
  SBBG57898  Salix lemmonii F. D. Payne -Aug-1934 778 Modoc Pine Crk Basin 2316 Comment
  RSA59372  Salix lucida subsp. lasiandra E. K. Balls 1950-5-11 14621 Modoc 4 miles S of Fort Bidwell. W of Upper Lake. 1402 Comment
  CAS-BOT-BC229678  Salix lutea H. P. Bracelin; Francis Dorris Payne 1931-6-30 499 Modoc Parker Creek, 20 km E of Alturas. 1560 Comment
  SBBG27428  Salix lutea Mrs. H. P. Bracelin, F. D. Payne 1931-6-30 499 Modoc Parker Crk, 20 km E of Alturas S of Payne Ranch 1560 Comment
  UC481795  Salix lutea Mrs. H. P. Bracelin and Miss Frances D. Payne 1931-6-30 499 Modoc 20 km. e. Alturas (meadow s. of Payne Ranch); Parker Creek 1560 Comment
  UCD111717  Salix lutea Mrs. H. P. Bracelin; Miss Frances D. Payne 1931-6-30 499 Modoc Parker Creek, 20 km. east of Alturas, south of Payne Ranch. 1560 Comment
  CAS-BOT-BC229837  Salix scouleriana C. L. Hitchcock 1940-5-27 6698 Modoc 15 mi. NE of Alturas. 1615 Comment
  UC473995  Salix scouleriana Frances D. Payne 1931-6-25 276 Modoc ca. 33 km. s.e. Alturas; Warner Mts., Pine Creek Basin 2280 Comment
  UC710871  Salix scouleriana C. L. Hitchcock 1940-5-27 6698 Modoc 15 mi. n.e. Alturas 1615 Comment
  CAS-BOT-BC95561  Salsola tragus E. S. Willits 1939-10-10 162 Modoc Surprise Valley. Comment
  CAS-BOT-BC179239  Salvia dorrii var. dorrii Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16436 Modoc 4 mi. E of summit of Cedar Pass. Comment
  UC1036008  Salvia dorrii var. dorrii Helen K. Sharsmith 1955-6-23 4491 Modoc 6.7 mi e Cedar Campground (State Highway 28); Warner Mountains, Modoc National Forest 1859 Comment
  OBI48702  Salvia dorrii var. pilosa Lewis S. Rose 1940-6-12 40522 Modoc 5 mi E of likely 1524 Comment
  POM68254  Sambucus caerulea Mrs. R. M. Austin 1895-07 167 Modoc Goose Lake Valley. Comment
  UC466699  Sanguisorba annua W. P. Taylor and H. C. Bryant 1910-6-26 Modoc Parker Cr.; Warner Mountains, Parker Cr. 1676 Comment
  CAS-BOT-BC15676  Sanicula graveolens Bruce Bartholomew; Barrett Anderson 1990-7-20 5532 Modoc 3.4 km NW of Tamarack Flat, E side of Warner Mts. 2130 Comment
  CAS-BOT-BC15723  Sanicula graveolens Alice Eastwood; John Thomas Howell 1940-6-13 8186 Modoc W side of Cedar Pass. Comment
  UCD128027  Sanicula graveolens Dean Wm. Taylor; Robert A. Price 1988-6-4 9741 Modoc Damons Butte, ca. 2.6 miles west of Highway 139. 1341 Comment
  SJSU9686  Sanicula graveolens W. Savage 1979-7-24 1566 Modoc Long Meadow Unit, Devils Garden District, Modoc National Forest 1615 Comment
  UC21361  Sanicula graveolens Milo S. Baker 1893-6 Modoc in Modoc County Modoc County Comment
  CAS-BOT-BC95570  Sarcobatus vermiculatus Elmer Ivan Applegate 1897-6-1 3035 Modoc Between Canby and Alturas. Comment
  RSA59871  Sarcobatus vermiculatus E. K. Balls 1950-5-10 14599 Modoc E. shore Middle lake, near Cedarville 1402 Comment
  POM354596  Saxifraga howellii Louis C. Wheeler 1935-8-1 3728 Modoc Warner Mountains: Dismal Swamp, Twenty Mile Creek. 2226 Comment
  RSA59513  Saxifraga nidifica var. claytoniifolia E. K. Balls 1950-5-12 14657 Modoc N of Bucks Creek Ranger Station. Modoc National Forest. E of Goose Lake. 1646 Comment
  JEPS47516  Saxifraga nidifica var. nidifica Mrs. M. H. Manning 1903-10-11 33 Modoc Warner Range, north-eastern Modoc County Warner Range 1524 Comment
  UC748344  Saxifraga oregana Annie M. Alexander and Louise Kellogg 1946-7-18 5027 Modoc Benton Meadow; Warner Mountains, Benton Meadow 2072 Comment
  UCD126454  Schedonorus arundinaceus L. D. Whitney 1935-7-21 s.n. Modoc Happy Camp. Comment
  CAS-BOT-BC245131  Schoenoplectus acutus var. occidentalis Alice Eastwood; John Thomas Howell 1940-6-12 8032 Modoc Likely. Comment
  CAS-BOT-BC245135  Schoenoplectus acutus var. occidentalis Elmer Ivan Applegate 1929-7-29 6095 Modoc Clear Lake Dam. Comment
  UCR67015  Schoenoplectus acutus var. occidentalis George K. Helmkamp 1990-9-23 J- 8 Modoc Warner Mtns, Goose Lake, within 0.1 mi of the Oregon border 1476 Comment
  SEINET199876  Scirpus acutus H. L. Mason, V Grant 1947-7-11 13379 Modoc Along S. fork of Pit River downstream from Jess Valley by Forest Service camp site Comment
  CDA39107  Scirpus pungens T. C. Fuller 1964-10-8 12697 Modoc On edge of Goose Lake, north side of levee road, ca. 5 miles west of Davis Creek. 0 Comment
  UC1100801  Scirpus pungens Verne Grant, Irving Schneider 1947-7-18 8056 Modoc s Alturas (s loop of eastside rd in Pit River Valley); Pit River Valley Comment
  UC103822  Scrophularia lanceolata Mrs. R. M. Austin Aug 1894 299 Modoc Comment
  CAS-BOT-BC179235  Scutellaria antirrhinoides Belknap C. Goldsmith 1912-7-1 60 Modoc Little Hot Spring Valley. 1219 Comment
  POM126383  Scutellaria nana M. H. Manning 1905-6-12 710 Modoc North-eastern Modoc County, Warner Range. 1524 Comment
  UC72055  Scutellaria nana Milo S. Baker 1893-1 Modoc n side of Egg Lake Comment
  UCR34755  Sedum J. A. Harpel 1981-8-6 V 40 Modoc Warner Mtns, South Warner Wilderness Area: E end of Patterson Lake, 7 mi NW of Eagleville 2744 Comment
  CAS-BOT-BC95606  Sedum lanceolatum Elmer Ivan Applegate 1932-7-9 7574 Modoc Near summit of Bidwell Mountain, Warner Mts. Comment
  JEPS48026  Sedum lanceolatum Frances D. Payne 1931-6-29 284 Modoc trail from Granger Pass to Mt. Warren (Warner Mountains); , trail fr Granger Pass to Mt. Warren 1981 Comment
  UC748226  Sedum rosea subsp. integrifolium Annie M. Alexander and Louise Kellogg 1946-7-29 5085 Modoc head Eagle Creek (Warner Mountains, moist stony flat below divide); Warner Mountains, head of Eagle Creek Comment
  JEPS48042  Sedum stenopetalum W. L. Jepson 1918-8-7 7898 Modoc Mt. Bidwell 2286 Comment
  UC748223  Sedum stenopetalum Annie M. Alexander and Louise Kellogg 1946-8-8 5123 Modoc Patterson Lake Trail , Patterson Lake Trail (Warner Mountains) Comment
  CAS-BOT-BC95613  Sedum stenopetalum subsp. stenopetalum K. Paulson; Robert Paulson 1989-6-21 147 Modoc Near Granger Summit, crest of Warner Mts. 2118 Comment
  CAS-BOT-BC95618  Sedum stenopetalum subsp. stenopetalum K. Paulson; Robert Paulson 1988-6-11 23 Modoc Parker Creek Road. 1524 Comment
  CAS-BOT-BC50344  Senecio aronicoides Bruce Bartholomew 1994-5-14 6683 Modoc Near Day Rock. 1280 Comment
  UC36026  Senecio aronicoides Mrs. R. M. Austin June 1898 2368 Modoc Davis Creek Comment
  UC831911  Senecio aronicoides C. L. Hitchcock 1940-5-27 6711 Modoc 15 mi ne Alturas 1615 Comment
  CAS-BOT-BC50332  Senecio aronicoides John H. Hatton 1911-6-10 9 Modoc Modoc County. 1767 Comment
  RSA152713  Senecio eremophilus I. L. Wiggins, Dorothy B. Wiggins 1961-6-12 16370 Modoc At junction of Cedar Pass road with California Highway 299, 5.5 miles N of Alturas. Comment
  RSA113689  Senecio eurycephalus H. K. Sharsmith 1955-6-25 4507 Modoc North slope of Jess Valley. Warner Mountains, Modoc National Forest. 1585 Comment
  CAS-BOT-BC50312  Senecio eurycephalus var. eurycephalus Margaret J. Williams 1984-6-30 84- 83 -1 Modoc 16.3 mi. on Parker Creek road, paved road to Cedar Pass road 1.5 mi. 1524 Comment
  CAS-BOT-BC50280  Senecio fremontii var. fremontii Elmer Ivan Applegate 1932-8-1 8048 Modoc Eastern slope of Warren Peak near summit, Warner Mountains Comment
  UC1567364  Senecio fremontii var. fremontii G. Schoolcraft 1989-7-16 1952 Modoc Patterson Lake Warner Mts. 2773 Comment
  SD64362  Senecio hydrophilus Darley F. Howe 1966-8-26 4307 Modoc West side of Lower Lake, 1.3 miles north of Lassen-Modoc County Line. 1340 Comment
  CAS-BOT-BC50257  Senecio integerrimus var. exaltatus Roxana Stinchfield Ferris; R. Duthie 1919-6-14 43 Modoc Parker Creek, at Modoc National Forest boundary Comment
  JEPS37286  Senecio integerrimus var. exaltatus N. T. Mirov 1929-6-22 Modoc near Fort Bidwell (e slope of Warner Mountains); Warner Mountains 2286 Comment
  RSA0124947  Senecio integerrimus var. exaltatus E. K. Balls 1950-5-12 14655 Modoc Hillsides north of Bucks Creek Ranger Station, Modoc National Forest, east of Goose Lake. 1646 Comment
  RSA0124985  Senecio integerrimus var. exaltatus Clare B. Hardham 1961-6-18 7588 Modoc Cedar Pass. 1828 Comment
  CHSC118817  Senecio serra var. serra L. P. Janeway 2015-8-9 11827 Modoc Warner Mountains. Near head of a northwest-facing bowl of a drainage of Coyote Creek where Road 39N06A crosses it; 0.8 road-km east of Road 39N06. 2088 Comment
  CAS-BOT-BC95638  Shepherdia argentea Bruce Bartholomew; Barrett Anderson 1989-4-29 4702 Modoc Sand Creek, E side of Surprise Valley, ca. 10 km E of Cedarville. 1400 Comment
  CAS-BOT-BC225037  Sibbaldia procumbens Annie Montague Alexander; L. Kellogg 1946-6-27 4853 Modoc Highgrade, (top of ridge, 2 mi. by road from Dismal Swamp) N end of Warner Mts. 2377 Comment
  UC519036  Sibbaldia procumbens Elmer I. Applegate 1923-8-1 8023 Modoc just s Warren Peak (high summit of Warner Mountains); Warner Mountains Comment
  RSA152436  Sidalcea I. L. Wiggins, Dorothy Wiggins 1961-6-13 16469 Modoc Roadside 2.4 mi. S of village of Davis Creek, SE side of Goose Lake. Comment
  RSA95254  Sidalcea glaucescens F. W. Peirson 6867 Modoc West slope of Warner Mts. on Cedarville Rd Comment
  CAS-BOT-BC179086  Sidalcea oregana subsp. oregana Leland S. Smith 1922-7-23 1309 Modoc Grouse Mt. 1981 Comment
  CAS-BOT-BC179094  Sidalcea oregana subsp. oregana Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-13 16469 Modoc 2.4 mi. S of Davis Creek. Comment
  RSA448576  Sidalcea oregana subsp. oregana George Willet, Bonnie C. Templeton 1935-6-14 s.n. Modoc 6 miles E. of Likely 1524 Comment
  UC18927  Sidalcea oregana subsp. oregana Milo S. Baker 1893-7-10 Modoc Comment
  SEINET2442027  Sidalcea oregana subsp. spicata Barbara Ertter 1988-6-18 7612 Modoc W side Hwy 139 just S of where it crosses railroad at jct to Clear lake, NE of Dry Lake E of Lava Beds Nat'l Monument.; 0 1250 Comment
  UC1618381  Sidalcea oregana subsp. spicata Barbara Ertter 1988-6-18 7612 Modoc e of Lava Beds National Monument Lava Beds National Monument Lava (ne of Dry Lake, w side of Highway 139 just s of where it crosses railroad at jct to Clear Lake); Highway 139 1249 Comment
  HSC80712  Silene douglasii var. douglasii G. M. Riegel 1980-7-21 912 Modoc S Warner Mtns. 1670 Comment
  CDA3460  Silene latifolia subsp. alba T. C. Fuller 1975-9-4 20097 Modoc West side of Highway 139, 2 miles south of the plant quarantine station. 0 Comment
  UC8472  Silene lemmonii M. S. Baker and Frank Nutting 1894-6-8 Modoc Egg Lake Comment
  CAS-BOT-BC389519  Silene menziesii Arnold Tiehm 1984-6-30 8840 Modoc NW side of Bidwell Mt., 2.8 road miles north of 8 mile creek on the road from Lake Annie 1828 Comment
  CAS-BOT-BC95264  Silene menziesii Annie Montague Alexander; L. Kellogg 1946-7-7 4947 Modoc Eight Mile Creek, NE corner of county. 1752 Comment
  CAS-BOT-BC95269  Silene menziesii Bruce Bartholomew 1989-7-14 4975 Modoc Vicinity of Upper Rush Creek Camp Ground. 1580 Comment
  HSC4221  Silene menziesii M. T. Milligan 1965-6-30 391 Modoc Slopes and ridges E of Jess Valley 1738 Comment
  JEPS127286  Silene nuda Lowell Ahart, John Dittes 2016-7-14 21167 Modoc South of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin Big Valley. Comment
  SJSU9708  Silene nuda W. Savage 1979-7-10 1524 Modoc Bowles Meadow, Devils Garden District, Modoc National Forest 1493 Comment
  CAS-BOT-BC95273  Silene oregana Annie Montague Alexander; L. Kellogg 1946-8-9 5139 Modoc Patterson Lake Trail, Warner Mts. Comment
  CAS-BOT-BC95278  Silene oregana Elmer Ivan Applegate 1932-7-31 7954 Modoc Mill Creek Meadow, Warner Mts. Comment
  CAS-BOT-BC376188  Sisymbrium altissimum Andrew Townesmith; Karen M. Meyer 2007-9-15 932 Modoc Modoc National Forest, Warner Mountain Ranger District. Cedar Creek Upper Trailhead, 0.6 miles off state route 299 on Forest Service road 195 1948 Comment
  CHSC85184  Sisymbrium altissimum John Dittes; Josephine Guardino 1991-7-21 429 Modoc Modoc Plateau; Big Valley; Ash Creek Wildlife Area; ca. 5.7 air-miles northeast of Bieber, ca. 7.6 air-miles west of Adin, ca. 1.5 air-mile southeast of Pilot Butte summit; meadow at northern edge of Ash Creek Floodplain (Big Swamp) at southeast base of Pilot Butte. 1258 Comment
  RSA82892  Sisymbrium altissimum J. M. Tucker 1950-7-25 1968 Modoc beside highway 139, 26.4 miles southeast of Tule Lake Comment
  SEINET10735739  Sisymbrium altissimum Andrew Townesmith, Karen M. Meyer 2007-9-15 Townesmith 932 Modoc Modoc National Forest, Warner Mountain Ranger District. Cedar Creek Upper Trailhead, 0.6 miles off state route 299 on Forest Service road 195. T43N R15E S33. 1948 Comment
  CHSC42161  Sisyrinchium douglasii C. E. Laver 1986-3-26 Modoc Ca. 11.5 mi ne of Alturas and 1 mi sw of Thoms Creek. 1524 Comment
  UC21379  Sium suave Milo S. Baker 1893-7-24 Modoc Egg Lake Comment
  UC71554  Sium suave Mrs. M. H. Manning 1903-7-1 461 Modoc Mill Canyon, Bidwell Creek, in north-eastern Modoc County Bidwell Creek; Mill Canyon, Bidwell Creek 1828 Comment
  JEPS62134  Smilacina racemosa Leland S. Smith 1918-6-22 953 Modoc Lily Lake Modoc National Forest, High Grade District (near stream) Comment
  UC429244  Smilacina racemosa Milo S. Baker Modoc Forestdale Comment
  UC3868  Smilacina racemosa Milo S. Baker 1893-6-29 Modoc Comment
  JEPS62137  Smilacina stellata W. L. Jepson 1918-8-11 7941 Modoc Jess Valley 1584 Comment
  CAS-BOT-BC245432  Solanum physalifolium var. nitidibaccatum Francis Dorris Payne 1932-7-18 712 Modoc Parker Creek. 1584 Comment
  SBBG128253  Solanum triflorum L. Ahart, J. Dittes 2010-8-30 17083 Modoc parking area W of the old barn, on the W side of Elkins Lane, Ash Crk State Wildlife Area, 320 feet N of Lassen County Line, ca. 4.4 mi W of Adin, ca. 7.2 mi NE of Bieber, Big Valley 1266 Comment
  CHSC70719  Solidago elongata A. Sanger 1997-7-9 2641 Modoc Willow Creek at junction toward Tri-tip Meadow. 1499 Comment
  SEINET3167750  Solidago elongata J. C. Semple, B. A. Suripto 1990-8-11 9295 Modoc NE of Altura, flood plain of N. Fork Railroad by US-395, approx. 2 km S of Joseph Creek Rd. Comment
  UC36231  Solidago elongata Mrs. R. M. Austin Aug 1894 Modoc Goose Lake Valley Goose Lake Valley (Northern California) Comment
  POM312332  Solidago spectabilis H. L. Mason 1947-8-9 13459 Modoc Ingalls Swamp, north of Big Sage Reservoir, northwest of Alturas. Comment
  CAS-BOT-BC158914  Sorbus scopulina Elmer I. Applegate s.n. Modoc Mill Creek Meadows, west slope of the Warner Mountains Comment
  JEPS32231  Sparganium emersum var. emersum Mrs. M. H. Manning Jun 1903 434 Modoc ne Modoc County Comment
  CAS-BOT-BC54293  Sphaeromeria potentilloides var. potentilloides Harry Dwight Dillon Ripley; Rupert Charles Barneby 1944-5-30 5984 Modoc N of Likely. Comment
  UC1101244  Spirodela polyrhiza Verne Grant and Irving Schneider 1947-7-22 8132 Modoc n of Alturas (North Fork Pit River by confluence with Gleason Creek on Highway 395); North Fork Pit River Comment
  SEINET11587758  Stachys ajugoides Unknown 2016-8-16 9 -11 Modoc Lookout Comment
  JEPS63049  Stachys palustris subsp. pilosa Mrs. R. M. Austin September 1894 206 Modoc Goose Lake Comment
  CAS-BOT-BC179212  Stachys pilosa Annie Montague Alexander; L. Kellogg 1946-7-12 4984 Modoc Twelve Mile Creek, NE corner of county. Comment
  HSC81098  Stachys rigida var. rigida G. M. Riegel 1980-7-29 964 Modoc S Warner Mtns. 2100 Comment
  UC1028657  Stellaria calycantha Robert J. Weatherby 1955-7-8 1618 Modoc 7 mi n Ft. Bidwell; Warner Mts. 1874 Comment
  SEINET5337009  Stellaria jamesiana M. J. Williams 1984-6-28 84- 67 -3 Modoc 2 miles north of intersection between Soldier Creek and Old cannon Mill roads. Warner Mtns, north of Cedar pass. 2057 Comment
  CAS-BOT-BC95291  Stellaria longipes var. longipes Bruce Bartholomew; Barrett Anderson 1988-7-22 4515 Modoc SE side of Sunflower Knob, southern end of the Warner Mts.. 2160 Comment
  JEPS90801  Stellaria umbellata Dean Wm. Taylor with Glenn L. Clifton 1989-8-5 10473 Modoc Warner Mountains, North Emerson Lake margin North Emerson Lake margin; Warner Mountains, North Emerson Lake margin 2392 Comment
  RSA101365  Stellaria umbellata R. Weatherby 1955-7-8 1618 Modoc 7 miles north of Ft. Bidwell, northern Warner Mts. 1875 Comment
  RSA610789  Stellaria umbellata L. C. Wheeler 1935-8-1 3729 Modoc Warner Mountains: Dismal Swamp, Twenty Mile Creek. 2226 Comment
  CAS-BOT-BC54298  Stenotus acaulis Leland S. Smith 1917-6-19 118 Modoc Cedar Pk. 2560 Comment
  UC71687  Stenotus acaulis Mrs. M. H. Manning 1904-8-17 357 Modoc Mt. Bidwell Comment
  CAS-BOT-BC54262  Stenotus stenophyllus Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16377 Modoc Junction of Cedar Pass road and Hwy 299, 5.5 mi. N of Alturas Comment
  JEPS29181  Stenotus stenophyllus Lauramay T. Dempster 1961-6-18 1687 Modoc Peak just south of Cedar Pass Comment
  JEPS36864  Stephanomeria lactucina Milo S. Baker 1894-7-30 Modoc Silver Lake Comment
  SEINET3125081 Image available Stephanomeria lactucina Richard R. Halse 2006-8-4 6998 Modoc Along Patterson Mill Road ca. 4 miles southwest of its junction with Surprise Valley Road, east side of the southern Warner Mountains; Modoc National Forest. 2097 Comment
  POM172669  Stephanomeria lactucina Franklin P. Nutting s.n. Modoc Big Valley Mtns. Comment
  CAS-BOT-BC54271  Stephanomeria spinosa Leland S. Smith 1922-7-12 1267 Modoc Canyon below Barber Field, 2 mi. S Menlo. 1676 Comment
  CAS-BOT-BC95050  Streptanthella longirostris Bruce Bartholomew 1993-6-13 6641 Modoc Consolidated sand dunes just W of Leonard Hot Spring, E side of Surprise Valley. 1410 Comment
  NY188845  Streptanthella longirostris B. M. Bartholomew 1993-6-13 6641 Modoc W of Leonard Hot Spring, E side of Surprise Valley. 1410 Comment
  UC1736581  Streptanthus cordatus Dean Wm. Taylor with Glenn Clifton 1990-6-25 11162 Modoc Cedar Pass 2148 Comment
  UC1492719  Streptanthus cordatus Freed W. Hoffman 1957-6-29 4265 Modoc 13.3 mi s Adin Comment
  CAS-BOT-BC95061  Streptanthus cordatus var. cordatus Francis Marion Ownbey; Frederick Gustav Meyer 1940-7-1 2135 Modoc Cedar Pass, Warner Mts. Comment
  CAS-BOT-BC95572  Suaeda calceoliformis Isabelo T. Kelly 1930-1-1 33 Modoc Fort Bidwell. Comment
  CAS-BOT-BC180106  Swertia albicaulis var. albicaulis Isabelo T. Kelly 1930-1-1 67 Modoc Modoc County. Comment
  CAS-BOT-BC180095  Swertia albicaulis var. nitida Milo Samuel Baker 1894-6-13 Modoc Near Egg Lake. Comment
  CAS-BOT-BC95187  Symphoricarpos rotundifolius var. rotundifolius Elmer Ivan Applegate 1932-8-1 8066 Modoc Warner Mountains. Mill Creek Meadows, western slope of mountains. Comment
  CAS-BOT-BC95194  Symphoricarpos rotundifolius var. rotundifolius Frances Payne 1931-6-21 231 Modoc Warner Mts., ridge west of Dry Creek 1981 Comment
  CAS-BOT-BC95199  Symphoricarpos rotundifolius var. rotundifolius K. Paulson; Robert Paulson 1989-5-21 125 Modoc Boles Creek on County Road 136. 1438 Comment
  CAS-BOT-BC95200  Symphoricarpos rotundifolius var. rotundifolius Bruce Bartholomew; Barrett Anderson 1989-6-3 4889 Modoc Boles Creek, ca. 5.5 km E of the SE corner of Clear Lake Reservoir. 1430 Comment
  CAS-BOT-BC95202  Symphoricarpos rotundifolius var. rotundifolius Bruce Bartholomew; Barrett Anderson 1988-7-21 4425 Modoc S end of Whitehorse Flat Reservoir. 1340 Comment
  JEPS22822  Symphoricarpos rotundifolius var. rotundifolius F. H. Frost 1925-7-11 30 Modoc 3 mi above Cedarville; Warner Mountains, Cedar Canyon Comment
  UC102256  Symphoricarpos rotundifolius var. rotundifolius Mrs. R. M. Austin Aug 1894 230 Modoc Lassen Creek Comment
  UC619252  Symphoricarpos rotundifolius var. rotundifolius J. and H. W. Grinnell 1938-6-14 1102 Modoc above Goose Lake (slope of Sugar Hill); Sugar Hill 1524 Comment
  UC71842  Symphyotrichum bracteolatum Mrs. M. H. Manning 1903-8-1 271 Modoc near, (ne Modoc County) Ft. Bidwell Comment
  UC71700  Symphyotrichum frondosum Mrs. M. H. Manning 1902-9-1 17 B Modoc Comment
  JEPS40756  Symphyotrichum spathulatum W. L. Jepson 1918-8-9 7909 Modoc Ft. Bidwell 1447 Comment
  UC711869  Symphyotrichum spathulatum Roxana S. Ferris and Laura Lorraine 1941-8-13 10571 Modoc 1 mi e Patterson Ranger Station; Modoc National Forest, Warner Mountains Comment
  UC748362  Symphyotrichum spathulatum Annie M. Alexander and Louise Kellogg 1946-7-17 5010 Modoc Benton Meadow Warner Mountains 2072 Comment
  JEPS5930  Symphyotrichum spathulatum Frances D. Payne 1932-7-9 765 Modoc s and e of, (Parker Creek) Alturas; Warner Mountains, Parker Creek 1584 Comment
  UC1192206  Symphyotrichum spathulatum Herbert L. Mason 1947-8-8 13454 Modoc nw of, (Ingalls Swamp, n of big Sage Reservoir) Alturas; Ingalls Sweamp Comment
  UC469026  Symphyotrichum spathulatum W. P. Taylor and H. C. Bryant 1910-7-24 Modoc Squaw Peak Warner Mountains, Squaw Peak Comment
  CAS-BOT-BC15169  Symphyotrichum spathulatum var. spathulatum Bruce Bartholomew 1989-8-11 5095 Modoc Vicinity of Patterson Ranger Station, S end of Warner Moutains. 2160 Comment
  CAS-BOT-BC15173  Symphyotrichum spathulatum var. spathulatum Annie Montague Alexander; L. Kellogg 1946-7-13 4991 Modoc Cowhead Lake. Comment
  HSC80742  Synthyris missurica G. M. Riegel 1979-7-23 593 Modoc S Warner Mtns. 1829 Comment
  CAS-BOT-BC252542  Taeniatherum caput-medusae Thomas C. Fuller 1959-7-8 2742 Modoc Hwy 299, 8 mi. W of Alturas. Comment
  CAS-BOT-BC54227  Taraxacum officinale Edward Kent Balls 1950-5-11 14623 Modoc 8.1 mi. NE of Fort Bidwell, above Cowhead Lake, on Eight Mile Creek. 1463 Comment
  HSC6254  Taraxacum officinale M. T. Milligan 1966-5-14 610 Modoc Plateau W of Jess Valley 1829 Comment
  UC748416  Taraxia subacaulis Annie M. Alexander and Louise Kellogg 1946-6-26 4831 Modoc Dismal Swamp north end of Warner Mountains 2255 Comment
  CHSC112076  Taraxia tanacetifolia L. P. Janeway; B. Castro 2014-6-3 11312 Modoc Great Basin. Within the generally bare drawdown zone of Fee Reservoir. 1590 Comment
  UCSB12576  Taraxia tanacetifolia Dearing, Hugh; Dearing, Margaret 1939-6-7 Modoc near Canby Comment
  SD61011  Tetradymia canescens Darley F. Howe 1964-8-1 Modoc 11 miles south of Alturas on Highway 395 1280 Comment
  CAS-BOT-BC217169  Thalictrum fendleri Bruce Bartholomew 1994-7-2 6796 Modoc Joseph Creek Basin, W side of the Warner Mountains. 1650 Comment
  NY496093  Thalictrum fendleri C. L. Hitchcock 1940-5-27 6704 -a Modoc Along stream; 15 miles northeast of Alturas 1615.4 Comment
  RSA69387  Thalictrum occidentale var. palousense F. W. Peirson 1926-6-25 6877 Modoc 1 mile east of summit of Cedarville Road, Warner Mountains Comment
  RSA551271  Thelypodium flexuosum Bruce Bartholomew 1991-5-24 5696 Modoc Surprise Valley, 5.1 km E of Eagleville 1370 Comment
  UCR51753  Thelypodium milleflorum George Willet 1935-6-9 s.n. Modoc Eagleville 1402 Comment
  CAS-BOT-BC5492  Thermopsis californica var. argentata Milo S. Baker 1894-8-1 s.n. Modoc Big Valley Mts. Comment
  RSA534592  Thinopyrum intermedium Bruce Bartholomew, B. Anderson 1990-7-19 5400 Modoc Turner Creek at County Rd 90, N end of Big Valley, 6.4 km N of Lassen County border. 1230 Comment
  SEINET8263329  Thinopyrum intermedium Richard R. Halse 2006-8-3 6993 Modoc Modoc National Forest, Patterson Station Campground, ca. 15 air miles east of Likely, south end of the Warner Mountains. 2109 Comment
  HSC6974  Thlaspi arvense M. T. Milligan 1965-6-23 307 Modoc N end Jess Valley 1616 Comment
  CHSC114923  Thlaspi arvense D. B. Joley 1976-6-23 3 Modoc Likely, near Alturas. Comment
  CAS-BOT-BC95087  Thysanocarpus curvipes Milo Samuel Baker 1893-6-16 Modoc Rocky south hillside. Comment
  RSA603008  Torreyochloa pallida var. pauciflora L. C. Wheeler 1935-10-5 4020 Modoc N Fork Pit River at Parker Creek. 1372 Comment
  UCD93229  Torreyochloa pallida var. pauciflora R. Tofsrud 1947-7-1 252 Modoc 5 miles west of Ft. Bidwell. Comment
  SEINET10793109  Torreyochloa pallida var. pauciflora Louis C. Wheeler 1935-10-5 Wheeler 4020 Modoc N Fork Pit River at Parker Creek. Damp silt 1372 Comment
  UC131346  Townsendia scapigera J. G. Lemmon May 1879 Modoc Warner's Ranch Sierra Valley Comment
  RSA474744  Tragopogon porrifolius George Willet 1935-6-9 s.n. Modoc Eagleville. Comment
  CDA7709  Tragopogon porrifolius T. C. Fuller 1959-7-8 4715 Modoc South of 4th Street, east of East Street, Alturas. 0 Comment
  CAS-BOT-BC245223  Tribulus terrestris Bruce Bartholomew 1989-8-10 5037 Modoc Little Hot Spring Valley, 3.2 km NW of Day. 1070 Comment
  CHSC99950  Trichostema oblongum Lowell Ahart; John Dittes 2008-8-26 15346 Modoc On the bottom of Rose Creek, 250 feet southwest of confluence of Rose Creek and Pit River, on the northwest side of unnamed road, 3160 feet east of intersection with County Road 85a, 9.3 miles (air) north-northeast of Lookout. 1276 Comment
  CAS-BOT-BC181782  Trifolium cyathiferum Francis Dorris Payne 1931-6-18 191 Modoc Parker Creek. 1584 Comment
  JEPS123848  Trifolium hybridum Lowell Ahart, John Dittes 2015-7-16 20365 Modoc Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. Comment
  UCSC011162  Trifolium hybridum Lowell Ahart, John Dittes 2016-7-16 21241 Modoc Between the 1st pond and 2nd going west, south of Ash Creek Canal (now filled in), south of Ash Creek, Ash Creek State Wildlife Area, 0.79 air miles west of Adin, Big Valley 1274 Comment
  NY717264  Trifolium longipes var. hansenii R. J. Weatherby 1955-7-7 1604 Modoc Red Fir Forest. Dismal Swamp, northern Warner Mountains. 2240 Comment
  CAS-BOT-BC181732  Trifolium macrocephalum Leland S. Smith 1917-6-10 35 Modoc Jess Valley. 1524 Comment
  JEPS65938  Trifolium macrocephalum L. S. Smith 1917-6-10 35 Modoc Jess Valley Warner Mountains 1524 Comment
  CAS-BOT-BC498671  Trifolium macrocephalum Lillian Mott 1976-5-29 3 LM76 Modoc Big Sage Reservoir Road, Devil's Garden, N of Alturas 1402 Comment
  UC16615  Trifolium macrocephalum Mrs. R. M. Austin and Bruce May 1898 2291 Modoc Goose Lake Comment
  UC485386  Trifolium macrocephalum Franklin P. Nutting Modoc meadow near Whitehorse Lake Comment
  JEPS66042  Trifolium pratense Frances D. Payne 1931-6-17 173 Modoc se Alturas (Parker Creek); Warner Mtns Comment
  CAS-BOT-BC181758  Trifolium productum Leland S. Smith 1917-7-18 81 Modoc Soldier Creek. 1981 Comment
  CAS-BOT-BC181766  Trifolium productum Bruce Bartholomew 1990-8-4 5648 Modoc Top of pass on Summit Trail, ca. 0.5 km SE of Patterson Lake, E side of Warner Mts. 2800 Comment
  CAS-BOT-BC181768  Trifolium productum Annie Montague Alexander; L. Kellogg 1946-6-25 4821 Modoc Dismal Swamp, north end of Warner Mountains 2255 Comment
  CAS-BOT-BC181770  Trifolium productum K. Paulson; Robert Paulson 1988-6-29 68 Modoc N of Benton Meadow along Davis Creek, Warner Mts.. 1676 Comment
  CAS-BOT-BC180163  Trifolium variegatum Bruce Bartholomew; Barrett Anderson 1989-6-1 4727 Modoc Shake Spring, NW side of Shaffer Mountain. 1500 Comment
  HSC15187  Trifolium wormskioldii M. T. Milligan 1965-6-23 309 Modoc N end of Jess Valley 1616 Comment
  HSC15192  Trifolium wormskioldii M. T. Milligan 1964-7-20 150 Modoc N end of Jess Valley, near Mill Creek. 1677 Comment
  HSC65606  Trifolium wormskioldii Thomas Wood 1979-8-9 242 Modoc Dirt road along Bidwell Creek, 2.9 mi. NW of junction with Co. Hwy. 2, N of Ft. Bidwell 1509 Comment
  CAS-BOT-BC498752  Trifolium wormskioldii L. S. Smith 1922-7-20 1286 Modoc Modoc Forest, Rush Creek, R.S. pasture 1905 Comment
  JEPS66101  Trifolium wormskioldii Frances D. Payne 1931-6-17 170 Modoc se Alturas (Parker Creek); Warner Mtns 1584 Comment
  HSC80825  Trisetum spicatum G. M. Riegel 1980-8-9 1015 Modoc S Warner Mtns. 1829 Comment
  JEPS70748  Trisetum spicatum Leland S. Smith 1918-7-14 994 Modoc Mill Creek; Modoc Forest, Eagle Peak 2133 Comment
  RSA603017  Trisetum spicatum L. C. Wheeler 1935-8-3 3753 Modoc Dismal Swamp, Twenty Mile Creek, Warner Mts. 2226 Comment
  CAS-BOT-BC242154  Triteleia hyacinthina Mrs. H. C. Cantelow 1940-6-1 s.n. Modoc 32.7 mi. N of Alturas on Hwy 395. Comment
  UC1133919  Triteleia hyacinthina R. C. Wilson 1933-6-27 55 Modoc Tom's Creek Canby Quad., Tom's Creek Comment
  CAS-BOT-BC58562  Turritis glabra Bruce Bartholomew; Barrett Anderson 1990-7-20 5466 Modoc 4 km N of Buck Creek Ranger Station at turn off to Del Prat Spring, W side of Warner Mts. 1900 Comment
  CAS-BOT-BC242295  Typha latifolia Bruce Bartholomew 1991-7-6 5959 Modoc Ash Creek Bird Sa