Search Results — 2000 specimen records retrieved (1537 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  UC401289  Abies concolor Mrs. M. H. Manning Modoc Ft. Bidwell Comment
  CAS-BOT-BC15626  Achillea millefolium Bruce Bartholomew 1990-8-4 5632 Modoc Crest of the Warner Mts., ca. 0.5 km SE of Patterson Lake along Summit Trail. 2770 Comment
  CAS-BOT-BC15637  Achillea millefolium Bruce Bartholomew; Barrett Anderson 1988-7-21 4432 Modoc Whipple Spring, E side of Whitehorse Flat Reservoir. 1340 Comment
  CAS-BOT-BC15671  Achillea millefolium Bruce Bartholomew 1989-7-15 5000 Modoc Sweagert Flat. 1860 Comment
  CAS-BOT-BC242288  Achnatherum Louis Cutter Wheeler 1935-8-3 3752 Modoc Dismal Swamp. 2225 Comment
  UC1153792  Achnatherum X bloomeri Burgess L. Kay June, 1957 Modoc 2 mi ne Likely Comment
  CAS-BOT-BC242281  Achnatherum hymenoides Bruce Bartholomew 1993-6-13 6631 Modoc Near Fortynine Creek, E of Cedarville on E side of Surprise Valley. 1400 Comment
  UCD50369  Achnatherum hymenoides L. Whitney 1935-7-1 3356 Modoc California, Modoc County, Hackamore. Comment
  CAS-BOT-BC242278  Achnatherum lemmonii Bruce Bartholomew; Barrett Anderson 1990-7-20 5468 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-BC242325  Achnatherum lemmonii C. L. Hitchcock 1940-5-28 6724 Modoc 15 mi. N of Alturas, near Surprise. 1402 Comment
  UCD50705  Achnatherum lemmonii E. Wilson 1934-5-14 s.n. Modoc East side of pass from Alturas to Cedarville. Comment
  CAS-BOT-BC242322  Achnatherum lettermanii Bruce Bartholomew 1989-7-15 4996 Modoc Sweagert Flat. 1860 Comment
  CAS-BOT-BC242324  Achnatherum lettermanii Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10533 Modoc Pattewrson Ranger Station (East Creek drainage). 2164 Comment
  UCD32733  Achnatherum nelsonii Beecher Crampton 1954-7-8 2178 Modoc Mococ County, Warner Mountains, 15 miles east of Likely, along road to Jess Valley. 1676 Comment
  UC1024992  Achnatherum occidentale subsp. occidentale Leo Whitney 1935-7-11 3456 Modoc 4 mi e Medicine Lake (Glass Mountain); Glass Mountain Comment
  UC1024940  Achnatherum occidentale subsp. pubescens Leo Whitney 1935-7-3 3332 Modoc 17 mi nw Canby (Badger Wells); Badger Wells Comment
  UCD51221  Achnatherum occidentale subsp. pubescens L. Whitney 1935-7-7 s.n. Modoc Howard Gulch. Comment
  CAS-BOT-BC242309  Achnatherum thurberianum Clare Butterworth Hardham 1961-6-19 7859 Modoc Willow Creek. Comment
  JEPS491  Achnatherum thurberianum L. S. Smith 1917-6-20 48 Modoc Warner Mts. 1828 Comment
  SEINET7593482 Image available Achnatherum thurberianum John Thomas Howell 1934-1 12273 Modoc Duncan Horse Camp Comment
  SBBG30557  Acmispon denticulatus D. Myrick 1968-6-20 1982 Modoc Airport Rd, 7 mi N of Alturas 1524 Comment
  CAS-BOT-BC218309  Aconitum columbianum Bruce Bartholomew; Barrett Anderson 1990-7-20 5498 Modoc Tamarack Flat, E side of Warner Mts. 2150 Comment
  NY483099  Aconitum columbianum subsp. columbianum B. Anderson 1986-7-10 3198 Modoc Warner Mountains. West Warner Road at the north fork of Pine Creek. 1935 Comment
  RSA520447  Aconitum columbianum var. columbianum Bruce Bartholomew 1990-7-20 5498 Modoc Tamarack Flat, E side of Warner Mts. 2150 Comment
  HSC69608  Adenocaulon bicolor Gary Schoolcraft 1980-7-22 323 Modoc Lake City Canyon 1890 Comment
  CAS-BOT-BC218324  Adonis aestivalis E. Hawver 1926-6-1 s.n. Modoc Near Canby. Comment
  CDA42846  Adonis aestivalis L. Ahart, John Dittes 2011-6-21 17514 Modoc About 150 yards west of the fence, south edge of the meadow, Ash Creek State Wildlife Area, about 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. Comment
  CHSC68565  Adonis aestivalis Vernon H. Oswald; Beth Corbin, Gary Schoolcraft 1997-5-17 8463 Modoc Bushey Rd. on the north side of the Pit River south of Canby Bridge. Roadside bordering a field. 1280 Comment
Read comments
May 4 2012
  CAS-BOT-BC218322  Adonis aestivalis Leland S. Smith 1926-7-7 1514 Modoc Near Pit River Ranger Station. 1524 Comment
  SJSU6080  Agastache parvifolia J. W. Tilden 1958-6-25 1264 Modoc near Monument Headquarters, Lava Beds National Monument Comment
  CAS-BOT-BC179882  Agastache urticifolia Bruce Bartholomew 1991-7-6 5979 Modoc Curtis Waterhole and adjacent lava outcrops. 1310 Comment
  CAS-BOT-BC179885  Agastache urticifolia Elmer Ivan Applegate 1932-7-31 7956 Modoc Mill Creek Meadows, W slope of Warner Mountains. Comment
  CAS-BOT-BC179890  Agastache urticifolia Annie Montague Alexander; L. Kellogg 1946-7-3 4905 Modoc Bidwell Creek Canyon, near Fort Bidwell. 1414 Comment
  CHSC109888  Agastache urticifolia B. Castro; L. P. Janeway 2012-7-25 1961 Modoc Warner Mountains. Low broad ridge ca 0.8 air mi E of Dismal Swamp. 2246 Comment
  RSA520459  Agastache urticifolia K. Paulson, R. Paulson 1989-7-2 166 Modoc Happy Camp Lookout. 1851 Comment
  CAS-BOT-BC179884  Agastache urticifolia Clare Butterworth Hardham 1961-6-18 7565 Modoc Dave Creek, Warner Mts. 2133 Comment
  HSC14192  Agastache urticifolia M. T. Milligan 1965-6-27 369 Modoc E slope of eroded volcanic plateau. 1677 Comment
  SFV10995  Ageratina occidentalis J. Turner, F. M. Ball 1962-7-12 1189 Modoc Shortly below summit of Fandango Pass on east side. 1829 Comment
  CAS-BOT-BC21365  Agoseris aurantiaca var. aurantiaca Annie M. Alexander; Louise Kellogg 1946-7-23 5040 Modoc Emerson Peak, Warner Mountains Comment
  RSA101366  Agoseris glauca var. dasycephala R. Weatherby 1955-7-8 1617 Modoc 7 miles north of Ft. Bidwell, northern Warner Mts. 1875 Comment
  CHSC66988  Agoseris heterophylla James D. Jokerst 1987-5-12 2841 Modoc Radar Survey Site S of Doublehead Mtn., N end of central sector. Comment
  CAS-BOT-BC13178  Agoseris monticola Annie M. Alexander; Louise Kellogg 1946-7-18 5015 Modoc Near Benton Meadow, Warner Mountains 2072 Comment
  HSC4606  Agoseris parviflora M. T. Milligan 1964-6-20 55 Modoc 2 mi. N on Pencil Rd. from Hwy. 395 1372 Comment
  JEPS119857  Agropyron cristatum subsp. pectinatum Lowell Ahart, John Dittes 2012-7-11 18346 Modoc About 1/2 mile southeast of the Pilot Butte Parking Lot, north edge of Ash Creek floodplain, about 1.5 miles (air) south of Country Road 87, about 7.5 miles (air) west of Adin, about 10.2 miles (air) east of Lookout, Big Valley. Comment
  JEPS68382  Agrostis alba Leland S. Smith 1918-1 108 Modoc Comment
  CAS-BOT-BC242376  Agrostis exarata Bruce Bartholomew 1989-8-11 5097 Modoc Vicinity of Patterson Ranger Station, S end of Warner Mountains. 2160 Comment
  JEPS68386  Agrostis exarata L. S. Smith 1917-8-6 132 Modoc Benton Mdws. Warner Mts. Comment
  UCD52379  Agrostis exarata L. Whitney 1935-7-21 s.n. Modoc Happy Camp. Comment
  POM203129  Agrostis pallens J. T. Howell 1934-7-3 12377 Modoc 5 miles S of Hackamore Comment
  UC1025019  Agrostis pallens Leo Whitney 1935-7-12 3501 Modoc dry stream bed 10 mi w Canby; Cottonwood Flat Comment
  UCD53148  Agrostis pallens A. A. Jordan 1934-9-11 s.n. Modoc Alturas. Comment
  UC70678  Agrostis stolonifera Mrs. M. H. Manning Jun 1903 415 Modoc ne Modoc County Comment
  JEPS68412  Agrostis thurberiana Leland S. Smith 1918-6-23 966 Modoc High Grade Modoc Forest, Lily Lake 2286 Comment
  CAS-BOT-BC245221  Alisma gramineum Herbert Louis Mason 1955-8-13 14653 A Modoc SW side of Goose Lake. Comment
  POM261432  Alisma gramineum Alice Eastwood, J. T. Howell 1940-6-12 8037 Modoc Likely Comment
  UC1100158  Alisma plantago-aquatica Herbert L. Mason 1955-8-13 14651 B Modoc s end Goose Lake 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
  RSA210808  Alisma triviale Robert F. Thorne, James Henrickson, C. W. Tilforth 1969-9-4 39088 Modoc N Fork of Pit River 3.4 mi N of Alturas where crossed by Highway 395. 1341 Comment
  CAS-BOT-BC245011  Allium acuminatum Clare Butterworth Hardham 1961-6-18 7566 Modoc E side Cedar Pass. 1524 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
  HSC81150  Allium acuminatum G. M. Riegel 1980-7-31 941 Modoc South Warner Mtns. 1739 Comment
  RSA70206  Allium acuminatum F. W. Peirson 1926-6-25 6874 Modoc Summit of grade, Cedarville Pass, Warner Mountains. Comment
  SEINET3883933  Allium acuminatum Margaret J. Williams 1984-6-30 84- 75 -4 Modoc 27.4 mi N of Cedar Pass road on Hwy 395.; 0 1295 Comment
  JEPS56363  Allium acuminatum L. S. Smith 1919-6-1 Modoc near Willow Ranch; Warner Mts., Deep Creek 1584 Comment
  RSA367054  Allium acuminatum Christopher Davidson 1973-5-26 2145 Modoc Ca. 1 mile N of Adin Summit on State Highway 299. Modoc National Forest. 1524 Comment
  UC1585401  Allium acuminatum R. Raiche, K. Zadnik 1989-7-5 90238 Modoc Deep Creek Rd. Warner Mts., Deep Creek Rd. 1615 Comment
  CAS-BOT-BC244999  Allium amplectens E. S. Willits 1940-6-5 322 Modoc Canby. Comment
  CAS-BOT-BC244996  Allium bisceptrum var. bisceptrum Isabelo T. Kelly 1930-1-1 13 Modoc Buck Creek. Comment
  SEINET12048096  Allium campanulatum Unknown 1947-1 s.n. Modoc grown at Pullman, WA, 2mi E of Cedar Pass, Warner Mts Comment
  CHSC85112  Allium lemmonii John Dittes; Josephine Guardino 1991-7-21 427 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
  SJSU9927  Allium lemmonii H. L. Buckalew 1961-6-24 Modoc Stough (""Stowe"") Reservoir c. 1 mi N of Cedar Pass onAlturas-Cedarville Rd Comment
  CHSC75559  Allium parvum V. H. Oswald; B. Corbin, A. Sanger, G. Schoolcraft 1999-6-12 9766 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
  SEINET222584  Allium parvum D. W. McNeal 1979-5-13 2225 Modoc Beside Hwy # 395, 15.8 mi S. of te Jct. of Hwy #299 in Alturas. Comment
  CHSC112078  Allium platycaule L. P. Janeway; B. Castro 2014-6-3 11314 Modoc Great Basin. Top of knoll between the lower end of Long Canyon and the lower end of Poison Springs Canyon, overlooking north end of Surprise Valley. 1567 Comment
  RSA27874  Allium platycaule C. L. Hitchcock 1940-5-27 6667 Modoc 15 miles northeast of Alturas. 1616 Comment
  UC1133832  Allium platycaule R. C. Wilson 1933-5-30 33 Modoc Rush Creek Camp Modoc National Forest, Canby Quadrangle, Rush Creek Camp Comment
  UC635212  Allium platycaule R. C. Wilson 1933-5-30 93 Modoc Rush Creek 1432 Comment
  SEINET12048097  Allium platycaule Unknown 1945-1 43 Modoc grown at Pullman, WA, Cedar Pass to Cedar Peak, Warner Mts., E of Alturas Comment
  SEINET256832  Allium platycaule Margaret J. Williams 1984-6-28 84- 69 -1 Modoc End of Soldier Creek road. 2073 Comment
  SEINET3878890  Allium platycaule Noel H. Holmgren, Patricia K. Holmgren 1978-6-8 8884 Modoc Fort Bidwell-Adel road, 15.1 km (9.4 mi) northeast of Fort Bidwell and 10.5 km (6.5 mi) airline distance.; 0 1676 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
  UC1158679  Alopecurus aequalis Arthur Cronquist and Arthur H. Holmgren 1959-6-19 8492 Modoc 15 mi. e. Likely (along shore of Clear Lake); Warner Mts., Clear Lake 1828 Comment
  CAS-BOT-BC242337  Alopecurus geniculatus James D. Jokerst 1983-7-27 1906 Modoc Near Signal Butte. 1340 Comment
  CAS-BOT-BC242342  Alopecurus geniculatus Bruce Bartholomew; Barrett Anderson 1990-7-19 5444 Modoc Sweagert Flat. 1860 Comment
  SJSU9640  Alopecurus geniculatus W. Savage 1979-7-7 1455 Modoc Triangle, west side of Fairchild Swamp unit, Devils Garden District, Modoc National Forest 1493 Comment
  CHSC99777  Alopecurus pratensis Lowell Ahart; John Dittes 2008-6-21 14988 Modoc On dry soil, about 10 yards north of a large culvert, on 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
  RSA554806  Alyssum desertorum Margaret J. Williams 1988-6-2 s.n. Modoc Hwy 395 0.4 mile E of Susanville road after turn to Alturas. [Lassen county] Comment
Read comments
Jun 24 2009
  CHSC118077  Alyssum simplex L. P. Janeway 2016-5-17 12031 Modoc Modoc Plateau. Devils Garden area; along Road 43N18 just east of Porcupine Rim; about 4.0 air-km west of Big Sage Reservoir. 1555 Comment
  CHSC113818  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. 1619 Comment
  CHSC99247  Amaranthus californicus Lowell Ahart; John Dittes 2008-6-21 14982 Modoc In the drying pond north of the large culvert, east of 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
  JEPS117299  Amaranthus californicus Lowell Ahart, John Dittes 2010-8-31 17106 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
  CHSC106212  Amaranthus powellii Lowell Ahart; John Dittes 2010-8-31 17107 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
  UC71785  Ambrosia acanthicarpa Mrs. M. H. Manning 1904-1-1 393 Modoc near(?) Fort Bidwell Comment
  CAS-BOT-BC214639  Amelanchier utahensis Bruce Bartholomew; Barrett Anderson 1988-6-24 4315 Modoc Road beyond Poison Lake ca. 8 km S of the road from U.S. Highway 395 to Lily Lake, Warner Mts.. 2130 Comment
  CAS-BOT-BC217097  Amelanchier utahensis Elmer Ivan Applegate 1929-6-25 5901 Modoc Cottonwood Creek, E side of Goose Lake. Comment
  UC466779  Amelanchier utahensis W. P. Taylor and H. C. Bryant 1910-6-25 Modoc Parker Creek; Warner Mountains 1676 Comment
  UCSB18015  Amelanchier utahensis 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
  JEPS25207  Amsinckia intermedia Frances D. Payne 1932-6-10 634 Modoc s and e Alturas (Parker Creek); Warner Mountains, Parker Creek 1584 Comment
  HSC3507  Amsinckia intermedia M. T. Milligan 1964-6-20 73 Modoc 1 mi. E of Hwy. 395 on Hwy. 299 1524 Comment
  CAS-BOT-BC54152  Amsinckia menziesii John Thomas Howell 1934-6-12 12039 Modoc 10 mi. S of New Pine Creek. Comment
  CAS-BOT-BC54197  Amsinckia menziesii John Thomas Howell 1934-6-13 12085 Modoc Surprise Valley near Fort Bidwell. 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
  UC1008303  Amsinckia menziesii var. menziesii L. R. Heckard, R. Bacigalupi 1952-6-18 309 Modoc 3/4 mi e Canby (by railroad crossing, along US Hwy 299) Comment
  UC71689  Anaphalis margaritacea Mrs. M. H. Manning 1903-9-3 373 Modoc John Henry Camp Comment
  HSC81143  Antennaria argentea G. M. Riegel 1980-7-29 906 Modoc S Warner Mtns. 1829 Comment
  CAS-BOT-BC15613  Antennaria argentea Milo Samuel Baker 1893-7-6 s.n. Modoc Pine timber, hillside. Comment
  SEINET6735045 Image available Antennaria argentea M. S. Baker 1893-1 s.n. Modoc Egg Lake Comment
  UC71850  Antennaria argentea Mrs. M. H. Manning 1903-9-3 374 Modoc (north-eastern Modoc County) John Henry Hill Comment
  CAS-BOT-BC15580  Antennaria dimorpha Bruce Bartholomew; Barrett Anderson 1988-5-12 4126 Modoc Ca. 13 km NNE of Adin on State Highway 229 at turnoff to Higgins Flat on USFS road 41N11. 1440 Comment
  UC71587  Antennaria dimorpha Mrs. M. H. Manning 1903-3 75 Modoc near, (north-eastern Modoc County) Fort Bidwell Comment
  CAS-BOT-BC15588  Antennaria geyeri John Thomas Howell 1934-6-30 12255 Modoc Duncan Horse Camp. 1355 Comment
  POM203063  Antennaria geyeri J. T. Howell 1934-6-30 12255 Modoc Duncan Horse Camp. Comment
  HSC37943  Antennaria geyeri M. T. Milligan 1966-6-19 468 Modoc Plateau W of Jess Valley 1829 Comment
  CAS-BOT-BC15594  Antennaria luzuloides Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16424 Modoc Summit of Cedar Pass. 1920 Comment
  CAS-BOT-BC58683  Antennaria luzuloides Mrs. R. M. Austin 1894-7-1 s.n. Modoc Goose Lake Valley Comment
  HSC26517  Antennaria luzuloides J. P. Smith, J. O. Sawyer 1972-5-6 5246 Modoc County Rd. 86, just E of Adin. 1098 Comment
  SBBG7569  Antennaria luzuloides H. and M. Dearing 1939-6-9 3635 Modoc near Squaw Peak, Warner Mtns 2133 Comment
  POM261370  Antennaria luzuloides H. C. Cantelow 1940-6-2 s.n. Modoc 9.3 miles NW of Gray Canby, Lava country Comment
  RSA152422  Antennaria luzuloides I. L. Wiggins, Dorothy Wiggins 1961-6-12 16424 Modoc Moderate slope near summit of Cedar Pass, between Alturas and Cedarville 1921 Comment
  RSA26467  Antennaria luzuloides subsp. aberrans Alice Eastwood, J. T. Howell 1940-6-11 8010 Modoc 6 miles NE of Adin on road to Canby. Comment
  CAS-BOT-BC15557  Antennaria rosea subsp. rosea Clare Butterworth Hardham 1961-6-20 7864 Modoc Pine Creek. 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
  HSC81142  Antennaria rosea subsp. rosea G. M. Riegel 1978-8-2 273 Modoc South Warner Mountains; 1829 Comment
  UCD121284  Apocynum androsaemifolium J. P. Smith; J. O. Sawyer 1973-8-9 7261 Modoc Modoc National Forest, around shore of Blue Lake. 1828 Comment
  CAS-BOT-BC15696  Apocynum cannabinum Bruce Bartholomew 1994-7-1 6767 Modoc Turner Creek adjacent to Forest Service road 42N21. 1470 Comment
  CAS-BOT-BC15695  Apocynum cannabinum Margaret J. Williams 1984-6-30 84- 76 -2 Modoc Cedar Pass Road, 1.7 mi. W of Cedarville. 1508 Comment
  UC202472  Aquilegia formosa I. Tidestrom 1910-6-25 3613 Modoc Sibley Draw Comment
  CAS-BOT-BC218337  Aquilegia formosa var. formosa Roxana Stinchfield Ferris; R. Duthie 1919-6-14 21 Modoc Along Parker Creek, Modoc Nat. Forest Boundary. Comment
  CAS-BOT-BC218342  Aquilegia formosa var. formosa K. Paulson; Robert Paulson 1988-6-29 66 Modoc N of Benton Meadow along Davis Creek, Warner Mts.. 1828 Comment
  CAS-BOT-BC218344  Aquilegia formosa var. formosa Bruce Bartholomew; Barrett Anderson 1988-6-24 4353 Modoc 9.8 km SW of County road 1 on County Road 42, E side of the Warner Mts.. 1960 Comment
  SEINET5340152  Arabis divaricarpa M. J. Williams 1984-6-30 84- 79 -2 Modoc 5.7 mi west of Alturas on Granger Canyon road. 1859 Comment
  CHSC30497  Arabis eschscholtziana N. E. H. Prouty 1980-5-25 166 Modoc Along stream from hot spring. Comment
  UC118089  Arabis puberula R. M. Austin May 1894 30 Modoc Goose Lake Valley Comment
  CAS-BOT-BC95661  Arctostaphylos patula C. C. (Mrs.) Bruce 1894-5-1 71 Modoc Willow Ranch. Comment
  SEINET11987208  Arctostaphylos patula subsp. platyphylla W. Knight, Knight, I. 1981-1 4110 Modoc on White Horse Rd enroute to Egg Lake from Lookout 1250 Comment
  JEPS51491  Arenaria aculeata Frances D. Payne 1931-6-29 281 Modoc Trail from Granger Pass to Mt. Warren; Warner Mountains 2133 Comment
  POM260875  Arenaria aculeata Alice Eastwood, J. T. Howell 1940-6-12 8106 Modoc West side of Cedar Pass. Comment
  UC190594  Arenaria aculeata M. F. Gilman 506 Modoc Comment
  CAS-BOT-BC242411  Aristida oligantha Louis Cutter Wheeler 1935-9-6 3959 Modoc Fletcher Creek. 1524 Comment
  JEPS35884  Arnica Leland S. Smith c. 1918 1076 Modoc Modoc National Forest Comment
  CHSC115841  Arnica chamissonis Lowell Ahart; John Dittes 2015-7-17 20404 Modoc About 50 yards north 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
  UC29621  Arnica chamissonis Mrs. R. M. Austin and Bruce 1898-6-1 2174 Modoc Lake Annie; ; Lake Annie, Modoc Co. Comment
  UC468971  Arnica chamissonis W. P. Taylor and H. C. Bryant 1910-7-13 Modoc North Fork Parker Creek (head) Warner Mountains, North Fork Parker Creek 2225 Comment
  UC748078  Arnica chamissonis Annie M. Alexander and Louise Kellogg 1946-7-7 4926 Modoc meadow near, (ne corner of county) Willows; Eight Mile Creek 1752 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-BC15405  Arnica cordifolia K. Paulson; Robert Paulson 1988-6-11 25 Modoc Parker Creek Road, W side of the Warner Mts.. 1524 Comment
  CAS-BOT-BC15406  Arnica cordifolia Francis Dorris Payne 1929-7-26 113 Modoc Pine Creek Basin. 2316 Comment
  HSC4680  Arnica cordifolia M. T. Milligan 1964-6-25 92 Modoc Upper Lassen Creek 1829 Comment
  POM203854  Arnica cordifolia J. T. Howell 1934-6-13 12064 Modoc Fandango Pass, Warner Mountains. 1829 Comment
  SEINET6775021 Image available Arnica cordifolia A. M. Alexander, L. Kellogg 1946-6-5 4668 Modoc Emerson Creek, south of Eagleville, Warner Mountains 1981 Comment
  CAS-BOT-BC15282  Arnica longifolia Leland S. Smith 1917-8-3 147 Modoc South Fork Davis Creek. 2042 Comment
  CAS-BOT-BC15284  Arnica longifolia Alice Eastwood; John Thomas Howell 1940-6-12 8075 Modoc Between Likely and Jess Valley. Comment
  UC936191  Arnica longifolia Annie M. Alexander and Louise Kellogg 1946-7-23 5055 Modoc Emerson Peak , Warner Mountains Comment
  CHSC109743  Arnica mollis B. Castro; 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. Moist opening surrounded by lodgepole pine forest; on NW side of road. 2331 Comment
  SEINET6775094 Image available Arnica mollis D. A. Charlet 1989-8-14 476 Modoc Warner Mountains, 1.4 km northwest of Eagle Peak, at spring 2550 Comment
  UC29591  Arnica mollis Mrs. R. M. Austin and Bruce 1898-7-1 2183 Modoc head of Davis Creek Comment
  CAS-BOT-BC15297  Arnica sororia Annie Montague Alexander; L. Kellogg 1946-6-14 4748 Modoc 0.25 mi. on branch of Silver Creek, Patterson Mill Road. 1828 Comment
  HSC81047  Arnica sororia G. M. Riegel 1979-7-14 541 Modoc South Warner Mountains 1670 Comment
  SEINET3396706  Artemisia arbuscula subsp. longicaulis S. C. McArthur, E. D. McArthur 1986-1 1558 Modoc 2.6 mi S of California line & 15 mi N of Ft. Bidwell Comment
  JEPS118495  Artemisia cana Chris Boever 2010-8-11 CA 370 -115 Modoc North Cedarville, CA to Fort Bidwell, 13 miles up the Lake Annie road East side of road. Comment
  SEINET8368663  Artemisia cana Richard R. Halse 2006-8-4 6995 Modoc Modoc National Forest, Patterson Station Campground, ca. 15 air miles east of Likely, south end of the Warner Mountains. 2109 Comment
  SEINET8253630  Artemisia ludoviciana Richard R. Halse 2006-8-4 6994 Modoc Modoc National Forest, Patterson Station Campground, ca. 15 air miles east of Likely, south end of the Warner Mountains. 2109 Comment
  CHSC111998  Artemisia ludoviciana subsp. incompta B. Castro; L. P. Janeway 2008-8-17 1747 Modoc Warner Mountains. North slope of Bald Mountain; at base, ca 280 ft S of USFS Rd 44N30 in eastern branches of upper S. Fork Mill Creek. 2267 Comment
  CDA13461  Artemisia ludoviciana subsp. ludoviciana G. F. Hrusa, T. D. Wilfred 1996-7-21 13308 Modoc Modoc Plateau; Pit River at Modoc Co. Rd. 90 bridge. E base of Splawn Mtn. N end of Big Valley. Comment
  JEPS117170  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
  POM260868  Artemisia ludoviciana subsp. ludoviciana J. T. Howell 1940-6-13 8171 Modoc Cedarville Comment
  RSA608601  Artemisia ludoviciana subsp. ludoviciana L. C. Wheeler 1935-9-3 3937 Modoc Tuttle Place, W side Goose Lake 1463 Comment
  JEPS90448  Artemisia michauxiana Dean Wm. Taylor with Glenn Clifton 1989-8-5 10442 Modoc cirque headwall above South Emerson Lake; Warner Mountains, Emerson Creek drainage 2560 Comment
  CAS-BOT-BC15209  Artemisia tridentata subsp. tridentata James D. Jokerst 1983-7-27 1910 Modoc Near Signal Butte. 1340 Comment
  CAS-BOT-BC15212  Artemisia tridentata subsp. tridentata Elmer Ivan Applegate 1932-7-31 7952 Modoc Mill Creek Meadows, western slope of Warner Mountains Comment
  CAS-BOT-BC15214  Artemisia tridentata subsp. tridentata Roxana S. Ferris; Laura Lorraine 1941-8-13 10563 Modoc Patterson Ranger Station (East Creek drainage), Modoc National Forest, Warner Mountains 2164 Comment
  CDA13469  Artemisia tridentata subsp. tridentata G. F. Hrusa, T. D. Wilfred 1996-7-21 13316 Modoc Modoc Plateau; Pit River at Modoc Co. Rd. 90 bridge. E base of Splawn Mtn. N end of Big Valley. Comment
  RSA518545  Artemisia tridentata subsp. tridentata George K. Helmkamp 1990-9-23 H- 4 Modoc US Hwy 395, 13 mi. N of Likely. 1341 Comment
  SEINET10829549  Asclepias cordifolia J. Pykala, Daniel H. Norris 1987-5-27 Pykala 1051 Modoc Modoc National Forest, between Lower and Upper Rush Creek campgrounds 1500 Comment
  CAS-BOT-BC15661  Asclepias fascicularis Leland S. Smith 1925-7-1 1505 Modoc Happy Camp near Webb Flat. 1310 Comment
  CDA9743  Asclepias fascicularis Claudia Martin 2007-9-5 PDR# 1291664 Modoc Davis Creek; SW side of Goose Lake, south of Point Ranch. Comment
  SEINET11262208  Asclepias fascicularis Margaret J. Williams 1985-8-13 85- 66 -1 Modoc Big Sage Reservoir. N.W. of Alturas.; 0 1524 Comment
  SEINET195716  Asclepias fascicularis Annie M. Alexander, Louise Kellogg 1946-7-7 4922 Modoc Lake Annie. Comment
  CDA7120  Asperugo procumbens T. Briles 1932-6-3 Modoc Alturas. 0 Comment
  UCD119132  Asperugo procumbens Herbert L. Mason; Verne Grant 1947-7-12 13416 Modoc Near south end of west side road, Pit River Valley, south of Alturas. Comment
  POM39757  Aster ascendens Mrs. R. M. Austin 1895-07 s.n. Modoc Goose Lake Valley. Comment
  CDA13470  Aster campestris G. F. Hrusa, T. D. Wilfred 1996-7-21 13317 Modoc Modoc Plateau; Along Pit River at Modoc Co. Rd. 90 bridge. E base of Splawn Mtn. N end of Big Valley. Comment
  CAS-BOT-BC177859  Astragalus curvicarpus var. curvicarpus Alice Eastwood; John Thomas Howell 1940-6-11 8024 Modoc 8 miles from Canby on road to Alturas Comment
  JEPS114698  Astragalus curvicarpus var. curvicarpus Lowell Ahart, John Dittes 2008-6-20 14976 Modoc Upland on the northeast side of Big Valley, about 5.3 miles (air) northeast of the Headquarters at Ash Creek State Wildlife Area, about 8.3 miles (air) northeast of Bieber 1287 Comment
  SJSU9635  Astragalus curvicarpus var. curvicarpus W. Savage 1979-7-7 1456 Modoc Triangle, Fairchild Swamp Unit, Devils Garden District, Modoc National Forest 1508 Comment
  SEINET7103955  Astragalus curvicarpus var. curvicarpus Margaret J. Williams 1984-6-29 84- 74 -1 Modoc 4.8 mi in on Fandango Pass road from Hwy 395.; 0 1524 Comment
  UC862748  Astragalus curvicarpus var. curvicarpus A. A. Heller 1938-6-24 15225 Modoc on banks along U.S. Highway #299 between Alturas and Canby; between Alturas and Canby 1341 Comment
  CAS-BOT-BC182061  Astragalus filipes John Thomas Howell 1934-6-13 12086 Modoc Surprise Valley, 10 mi. S of Fort Bidwell. Comment
  SD131809  Astragalus filipes Barbara Ertter 1988-6-18 7619 Modoc Highway 139, 50 miles southwest of Klamath Falls, a few miles north Agricultural Inspection Station, 1.0 mile south of south junction to Lava Beds National Monument east of Tonesta. 1310 Comment
  CAS-BOT-BC182068  Astragalus filipes Mrs. H. C. Cantelow 1940-5-31 3797 Modoc E of Canby. 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
  RSA152721  Astragalus filipes I. L. Wiggins, Dorothy B. Wiggins 1961-6-12 16433 Modoc S facing slope 4 miles E of summit of Cedar Pass, betw Alturas and Cedarville Comment
  UC397284  Astragalus filipes M. F. Gilman 549 Modoc Comment
  SDSU7883  Astragalus gibbsii D. F. Howe 1994-8-1 3910 Modoc 11 miles south of Alturas on #395. 1280 Comment
  CAS-BOT-BC182058  Astragalus inversus Leo David Whitney 1934-5-24 1964 Modoc Near Hackamore. 1463 Comment
  CAS-BOT-BC182051  Astragalus malacus Bruce Bartholomew 1991-5-24 5713 Modoc Surprise Valley, E of Eagleville at the Nevada State boundary. 1520 Comment
  JEPS109814  Astragalus pulsiferae var. coronensis Dean W. Taylor 2004-5-13 19066 Modoc jeep road to plateau 0.5 miles south of County Road 62 (1 mile N30dE of Wade Williams Spring, 10 air miles SSW of Alturas) 1402 Comment
  CAS-BOT-BC182025  Astragalus purshii Alice Eastwood; John Thomas Howell 1940-6-14 8245 Modoc Between Mammoth Cave and Lava Beds Nat. Mon. Comment
  CAS-BOT-BC182033  Astragalus purshii E. S. Willits 1940-4-27 197 Modoc Near quarantine station, Alturas. Comment
  CAS-BOT-BC182024  Astragalus purshii J. F. Emmel 1968-7-16 84 Modoc NW slope of Mt. Bidwell, Warner Mts. Comment
  CAS-BOT-BC182045  Astragalus purshii Mrs. H. C. Cantelow 1940-6-2 Modoc W of Alturas on road to Bad Lands Nat. For. Comment
  HSC81081  Astragalus purshii G. M. Riegel 1980-7-3 821 Modoc South Warner Mtns. 1829 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
  NY694437  Astragalus purshii var. tinctus B. M. Bartholomew 1993-5-10 6466 Modoc Below Emerson Campground, east side of Warner Mountains 1710 Comment
  NY694433  Astragalus purshii var. tinctus R. C. Barneby 1982-5-26 17843 Modoc 7 miles east of Madeline Comment
  SEINET948791  Astragalus whitneyi Richard R. Halse 1976-1 1401 Modoc Modoc National Forest above Upper Rush Creed Campground. 1585 Comment
  UC748312  Astragalus whitneyi var. confusus Annie M. Alexander and Louise Kellogg 1946-7-23 5043 Modoc near summit e slope Emerson Peak (Warner Mountains); , e slope Emerson Peak Comment
  NY696559  Astragalus whitneyi var. confusus J. M. Gillett 1964-6-8 12634 Modoc 2 miles south of Likely Comment
  SEINET10490006  Astragalus whitneyi var. confusus Jeffrey Huber 1971-6-3 Huber 94 Modoc 5 mi s of canby on calif hwy 299, lupinus heavily carpeting hillsides of large Basaltic boulders, sparse juniper, artemesia, purshia, poa assoc. 1280 Comment
  CAS-BOT-BC182006  Astragalus whitneyi var. lenophyllus Bruce Bartholomew 1991-5-25 5757 Modoc Turner Creek at County Rd. 90, N end of Big Valley, 6.4 km N of Lassen County line. 1230 Comment
  CAS-BOT-BC30208  Athyrium alpestre var. americanum Annie Montague Alexander; L. Kellogg 1946-7-23 5056 Modoc Emerson Peak, Warner Mts. Comment
  CAS-BOT-BC17522  Athysanus pusillus B. Bartholomew; M. Gilbert; L. E. Skog 1993-5-11 6486 Modoc Near southeast corner of Big Sage Reservoir, 5.3 km east of Crowder Flat Road. 1580 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
  UC10228  Athysanus pusillus Milo S. Baker 1893-6-4 Modoc Modoc County, California Modoc County; , California Comment
  CHSC112823  Atriplex rosea Lowell Ahart; John Dittes 2013-7-25 18956 Modoc Along 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
  UC1191370  Atriplex rosea Herbert L. Mason 1947-8-9 13477 Modoc e side Fairchild Swamp (n of Alturas); e side Fairchild Swamp, n of Alturas Comment
  UCR64884  Atriplex rosea George K. Helmkamp 1990-9-23 H- 7 Modoc Warner Mtns, Goose Lake, within 0.1 mi of the Oregon border 1476 Comment
  CAS-BOT-BC95510  Atriplex truncata Louis Cutter Wheeler 1935-9-4 3941 Modoc McGinty Point, Goose Lake. 1463 Comment
  POM229214  Atriplex truncata L. C. Wheeler 1935-9-4 3941 Modoc McGinty Point, Goose Lake. 1463 Comment
  RSA639346  Azolla filiculoides Louis Cutter Wheeler 1935-9-29 4013 Modoc Two miles south of Alturas 1357 Comment
  UCD136022  Azolla filiculoides Herbert L. Mason 1947-8-12 13503 Modoc Junction of North and South forks of Pit River, Alturas. Comment
  CAS-BOT-BC218201  Balsamorhiza hookeri Lindsay Stuart Smith; E. H. Steffen 1917-5-27 17 Modoc West Valley camp and Jess Valley. 1554 Comment
  POM350741  Balsamorhiza hookeri Christopher Davidson 1975-6-4 2600 Modoc 0.4 miles E of Hwy 395 on Hwy 299 toward Cedarville. 1380 Comment
  CAS-BOT-BC15189  Balsamorhiza hookeri var. lanata Mrs. H. C. Cantelow 1941-5-23 s.n. Modoc 7.5 mi. W of Adin Pass Summit on U.S. Hwy. 299 Comment
  SEINET10757887  Balsamorhiza serrata Andrew Townesmith, Karen M. Meyer 2007-9-15 Townesmith 929 Modoc Modoc National Forest, Warner Mountain Ranger District. Along state route 299, 10.9 miles west of junction with US route 395. At Cedar Pass. T43N R15E S28 SW 1/4. 1928 Comment
  CAS-BOT-BC58626  Barbarea orthoceras Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10575 Modoc Patterson Ranger Station (East Creek drainage). 2164 Comment
  CAS-BOT-BC58671  Barbarea orthoceras Margaret J. Williams; Thad Holcomb; Betty Holcomb; L. Saxton 1988-5-28 80- 21 -1 Modoc Crowser Flat road, W of Alturas. Road leads to Devil's Garden and Big Sage Reservoir and is near Hwy 299. Comment
  CHSC107331  Barbarea orthoceras Lowell Ahart; John Dittes 2011-6-21 17518 Modoc About 130 yards west of the fence, south edge of the meadow, Ash Creek State Wildlife Area, about 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
  RSA0059626  Barbarea orthoceras Lowell Ahart, John Dittes 2011-6-21 17518 Modoc about 130 yards west of the fence, south edge of the meadow, Ash Creek State Wildlife Area, about 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
  UC615247  Barbarea orthoceras Beryl O. Schreiber 1934-6-10 1163 Modoc Lost Lake; Warner Mountains Comment
  CAS-BOT-BC54182  Berberis aquifolium var. repens Bruce Bartholomew; Barrett Anderson 1990-7-19 5417 Modoc Top of Hunters Ridge S of Rush Creek. 1960 Comment
  CAS-BOT-BC54184  Berberis aquifolium var. repens Bruce Bartholomew; Barrett Anderson 1988-5-13 4175 Modoc 0.6 km N of Jess Valley on West Warner Road, W side of the Warner Mts.. 1620 Comment
  CAS-BOT-BC54221  Berberis aquifolium var. repens Bruce Bartholomew 1989-8-12 5122 Modoc South Fork of Pine Creek where it crosses West Warner Road, W side of Warner Mountains. 1900 Comment
  SJSU9698  Berberis aquifolium var. repens W. Savage 1979-7-10 Modoc Oreghon Rim Unit, Devils Garden District, Modoc National Forest 1645 Comment
  CHSC117263  Bidens cernua Lowell Ahart; John Dittes 2016-7-14 21152 Modoc Northwest of a new pond, south bank of Ask 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
  POM312323  Bidens cernua H. L. Mason, Verne Grant 1947-7-12 13431 Modoc South loop of west side road, north of Likely Comment
  RSA608435  Bidens cernua L. C. Wheeler 1935-9-5 3956 Modoc Tuttle Place, west side Goose Lake 1463 Comment
  CAS-BOT-BC15147  Bidens cernua var. cernua Herbert Louis Mason; Verne Grant 1947-7-12 13431 Modoc South loop of west side road, north of Likely Comment
  CAS-BOT-BC15082  Blepharipappus scaber David Daniels Keck; Jens Chr. Clausen 1935-6-24 3711 Modoc 3 mi. NE of Willow Ranch E of Goose Lake. 1550 Comment
  CAS-BOT-BC15104  Blepharipappus scaber Fred D. Douthitt 1916-5-11 12 Modoc Juniper Flats, Modoc National Forest 1524 Comment
  JEPS5982  Blepharipappus scaber Frances D. Payne 1932-6-24 600 Modoc s and e of Alturas (Parker Creek, Warner Mountains); Warner Mountains, Parker Creek 1584 Comment
  JEPS5983  Blepharipappus scaber Frances D. Payne 1929-6-28 28 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  UC894097  Blepharipappus scaber C. L. Hitchcock 1940-5-27 6670 Modoc 15 mi ne of Alturas 1615 Comment
  CAS-BOT-BC15084  Blepharipappus scaber R. M. Austin; C. C. (Mrs.) Bruce 1898-7-1 2322 Modoc Davis Creek. 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
  CAS-BOT-BC15119  Blepharipappus scaber Mrs. Annie F. Rodda 1932-7-1 Modoc Near Alturas. Comment
  POM202699  Blepharipappus scaber A. H. Rodda 1932-7-1 s.n. Modoc Near Alturas Comment
  RSA508244  Blepharipappus scaber F. R. Fosberg 1957-8-18 38851 Modoc Upper Rush Creek Camp Ground, northeast of Adin. 1600 Comment
  SEINET7379330 Image available Blepharipappus scaber L. C. Wheeler 1935-8-1 3725 Modoc Warner Mts., Pine Creek 1768 Comment
  UC894093  Blepharipappus scaber Lewis S. Rose 1940-6-14 40566 Modoc Kelly Hot Springs 1341 Comment
  CAS-BOT-BC95733  Boechera pauciflora Roxana Stinchfield Ferris; R. Duthie 1919-6-14 122 Modoc Parker Creek, Warner Mts. 2133 Comment
  UC922247  Boechera pauciflora Annie M. Alexander and Louise Kellogg 1946-7-1 4893 Modoc 0.5 mi e Bidwell Creek Road summit; Warner Mountains Comment
  JEPS53130  Boechera platysperma W. L. Jepson 1918-8-13 7973 Modoc Summit, Eagle Peak Warner Mts., Eagle Peak 3017 Comment
  CAS-BOT-BC14526  Boechera puberula John Thomas Howell 1934-6-30 12267 A Modoc Duncan Horse Camp. Comment
  CAS-BOT-BC14525  Boechera puberula Ira L. Wiggins; Dorothy B. Wiggins 1961-6-12 16378 Modoc At junction of Cedar Pass road and California State Highway 299, 5.5 miles north of Alturas. Comment
  CAS-BOT-BC25526  Boechera retrofracta Clare B. Hardham 1961-6-19 7591 Modoc Warner Mountains. Davis Creek. 2133 Comment
  CAS-BOT-BC58661  Boechera retrofracta Bruce Bartholomew; Barrett Anderson 1989-6-3 4899 Modoc ca. 8 km WNW of Long Bell Ranger Station. 1350 Comment
  UC748378  Boechera retrofracta Annie M. Alexander and Louise Kellogg 1946-6-27 4848 Modoc 2 mi by road from Dismal Swamp (Highgrade, n end of Warner Mountains); Warner Mountains, Highgrade 2377 Comment
  CAS-BOT-BC410949  Boechera sparsiflora B. Bartholomew 2002-6-2 8759 Modoc E side of the Warner Mountains, ca. 2.7 direct km WNW of Lake City along Mill Creek on Forest Service Road 44N34 (Lake City Canyon Rd.) between Lake City and Benton Meadow 1600 Comment
  SBBG2381  Boechera sparsiflora H. and M. Dearing 1939-6-8 3603 Modoc Lily Lake, Warner Mtns 1828 Comment
  JEPS53185  Boechera sparsiflora Leland S. Smith 1918-6-22 949 Modoc Pine Creek Modoc Forest 1981 Comment
  OBI7983  Boechera sparsiflora Rhonda Riggins 1989-4-28 1656 Modoc Pencil Rd 4.1 mi N of hwy 395 E of Alturas. T43N R12E, sec 24 Comment
  POM46124  Boisduvalia densiflora var. densiflora R. M. Austin 1895-08 153 Modoc Goose Lake Valley Comment
  UCR34687  Botrychium simplex J. A. Harpel 1981-8-6 V- 01 Modoc Warner Mtns, South Warner Wilderness Area: E end of Patterson Lake, 7 mi NW of Eagleville 2744 Comment
  CDA10548  Brickellia grandiflora T. C. Fuller 1964-10-8 12699 Modoc Levee road across the south end of Goose Lake, ca. 5 miles west of Davis Creek. 0 Comment
  JEPS124310  Brodiaea coronaria Lowell Ahart, John Dittes 2015-7-15 20340 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
  CAS-BOT-BC244940  Brodiaea coronaria subsp. coronaria M. Vasey 1990-6-30 9034 Modoc 0.2 mi. from junction of Lava Camp Road and road to Egg Lake. 1300 Comment
  HSC9116  Bromus briziformis M. T. Milligan 1966-7-1 408 Modoc W of Jess Valley 1829 Comment
  RSA126904  Bromus briziformis Leo D. Whitney 1934-5-19 2169 Modoc Devils Garden (timbered mts.) 1585 Comment
  SEINET4344988  Bromus briziformis M. J. Williams, A. Tiehm, J. Nachlinger 1988-6-2 88- 28 -1 Modoc Jess Valley, E of Likely, S of roadside rest. Comment
  SEINET4345007  Bromus briziformis S. C. Swif 1937-6-25 48 Modoc North Fork of Pit River South of Davis Creek 1280 Comment
  UC1137106  Bromus carinatus var. carinatus August L. Hormay 1932-7-15 Modoc Crowder Flat Ranger Station Comment
  JEPS69181  Bromus carinatus var. carinatus Leland S. Smith 1917-7-17 84 Modoc Comment
  CAS-BOT-BC149159  Bromus carinatus var. marginatus L. S. Smith 1922-6-1 1422 Modoc Modoc Forest. Lava Trail west of Lava R.S. Comment
  CHSC117493  Bromus japonicus Lowell Ahart; John Dittes 2016-7-16 21247 Modoc Between the first pond and the second going west, south of Ash Creek Canal (now filled in), south of Ash Creek, Ash Creeek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.75 miles (air) west of Adin, Big Valley. 1273 Comment
  UC1024968  Bromus japonicus Leo Whitney 1935-7-6 3440 Modoc Pit River near Lookout; Pit River Comment
  HSC80908  Bromus orcuttianus G. M. Riegel 1979-9-6 763 Modoc South Warner Mountains 509 Comment
  UC1037141  Bromus orcuttianus Leo Whitney 1935-7-1 3340 Modoc 15 mi nw of Canby (near Hackamore, Modoc National Forest, Spaulding's Butte); Modoc National Forest, Spaulding's Butte 1463 Comment
  JEPS73962  Bromus racemosus Frances D. Payne 1932-7-20 720 Modoc s and e of Alturas (Warner Mountains, Parker Creek); Warner Mountains, Parker Creek 1584 Comment
  CAS-BOT-BC242460  Bromus suksdorfii Leland S. Smith 1922-7-20 1277 Modoc Rush Creek Ranger Station. 1905 Comment
  CAS-BOT-BC242497  Bromus tectorum Leland S. Smith 1923-5-15 1501 Modoc Adin. Comment
  HSC9358  Bromus tectorum M. T. Milligan 1965-6-30 386 Modoc N end Jess Valley 1616 Comment
  CHSC99771  Callitriche heterophylla var. bolanderi Lowell Ahart; John Dittes 2008-6-21 14983 Modoc In shallow water and stranded on mud, west end of a large culvert, west of 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
  CAS-BOT-BC95097  Callitriche palustris Bruce Bartholomew 1995-6-3 6957 Modoc Island Meadow N of road between Goose Lake and Crowder Flat Road. 1570 Comment
  CAS-BOT-BC95102  Callitriche palustris Bruce Bartholomew 1991-10-13 6120 Modoc Dismal Swamp, N end of Warner Mts. 2200 Comment
  CHSC96338  Calocedrus decurrens Richard R. Halse 2006-8-4 6999 Modoc Along Highgrade Road ca. 4.4 miles north of Fort Bidwell, north end of the Warner Mountains, east slope. 1765 Comment
  SEINET3863159 Image available Calocedrus decurrens Richard R. Halse 2006-8-4 6999 Modoc Along Highgrade Roade ca 4.4 mi N. of Fort Bidwell, north end of the Warner Mountains, east slope.; 0 1765 Comment
  UC401354  Calocedrus decurrens W. P. Taylor and H. C. Bryant 1910-6-26 Modoc Parker Cr. Warner Mountains, Parker Cr. 1676 Comment
  UC1748347  Calochortus longebarbatus var. longebarbatus J. D. Jokerst 1983-6-14 1841 Modoc NW of Adin (ca. 150 m. SW of the logging road) Comment
  UC422832  Calochortus longebarbatus var. longebarbatus Milo S. Baker 1897-8-1 161 Modoc Forestdale Comment
  UCD139524  Calochortus longebarbatus var. longebarbatus J. D. Jokerst 1983-7-18 1856 Modoc west of and adjacent to road 5500,near Niles Flat, 0.2 mile north of the road junction at the center of the edge of section 8. 1676 Comment
  CAS-BOT-BC242139  Calochortus macrocarpus Elmer Ivan Applegate 1932-8-4 8149 Modoc Near and above Jess Valley, S fork of Pit River. Comment
  CAS-BOT-BC242148  Calochortus macrocarpus C. C. (Mrs.) Bruce 1898-8-1 s.n. Modoc Goose Lake valley. Comment
  RSA78908  Calochortus macrocarpus E. K. Balls, Percy C. Everett 1952-10-10 18149 Modoc Above S. Fk. Public Camp, 8 mi. E. of Likely on road to Jess Valley. 1555 Comment
  CAS-BOT-BC217326  Caltha leptosepala Bruce Bartholomew 1991-6-21 5800 Modoc Vicinity of Lily Lake, N end of the Warner Mountains. 2030 Comment
  CAS-BOT-BC197582  Calyptridium umbellatum Annie Montague Alexander; L. Kellogg 1946-7-17 5002 Modoc Benton Meadow, Warner Mts. 2072 Comment
  CAS-BOT-BC197584  Calyptridium umbellatum Robert Patterson; Mona Bourell 1993-8-15 5275 Modoc Warner Mountains. Along trail from Patterson Lake to ca. 2 mi north towards Pepperdine Trailhead. 2743 Comment
  JEPS52550  Calyptridium umbellatum Frances D. Payne 1929-7-26 Modoc Warren Peak; Warner Mountains, Warren Peak Comment
  CAS-BOT-BC95580  Calystegia occidentalis subsp. occidentalis Roxana Stinchfield Ferris; R. Duthie 1919-6-15 191 Modoc Parker Creek above Modoc National Forst boundary. Comment
  CAS-BOT-BC95588  Calystegia occidentalis subsp. occidentalis John Thomas Howell 1934-6-13 12083 Modoc Fandango Pass. 1828 Comment
  UC449950  Calystegia occidentalis subsp. occidentalis Milo S. Baker 1887-1 Modoc Forestdale Comment
  CHSC34970  Calystegia occidentalis subsp. occidentalis R. A. Schlising 1976-6-14 3184 Modoc NE part of coounty, east of Goose L., 0.9 mi E of jct hwy 395 on Fandango Road. Comment
  CAS-BOT-BC242128  Camassia quamash subsp. breviflora Roxana Stinchfield Ferris; R. Duthie 1919-6-15 142 Modoc Along Parker Creek Comment
  CAS-BOT-BC242136  Camassia quamash subsp. breviflora Bruce Bartholomew; M; M. Gilbert; L. E. Skog 1993-5-11 6511 Modoc 11 km S of Oregon Border along W side of Goose Lake. 1440 Comment
  CHSC118278  Camassia quamash subsp. breviflora L. P. Janeway 2016-5-17 12039 Modoc Modoc Plateau. Devils Garden area; where Road 45N06 crosses Logans slough; about 3.2 air-km north of Big Sage Reservoir. 1494 Comment
  RSA488030  Camassia quamash subsp. breviflora Bruce Bartholomew, B. Anderson 1988-5-12 4015 Modoc S side of Egg Lake. 1300 Comment
  CAS-BOT-BC58637  Camelina microcarpa E. S. Willits 1940-5-17 270 Modoc Willow Ranch Comment
  CHSC107345  Camelina microcarpa Lowell Ahart; John Dittes 2011-6-22 17547 Modoc On the east side of the road, about 150 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
  CHSC112831  Camelina microcarpa Lowell Ahart; John Dittes 2013-7-25 18951 Modoc About 100 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
  HSC6615  Camelina microcarpa M. T. Milligan 1964-6-4 26 Modoc East D St. between 4th and 5th St., Alturas 1372 Comment
  UCD114103  Camelina microcarpa Verne Grant; Irving Schneider 1947-7-20 8108 Modoc north fork of Pit River, downstream from Alturas. Comment
  NY850417  Camissonia andina M. J. Williams 1984-7-1 84- 87 --4 Modoc Northwest of Alturas, Crowder Flat Road, near the Big Sage Reservoir 1372 Comment
  CAS-BOT-BC191119  Camissonia boothii subsp. alyssoides Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-10 6451 Modoc At the Nevada border directly E of Eagleville, E side of Surprise Valley. 1520 Comment
  JEPS118276  Camissonia contorta Lowell Ahart, John Dittes 2011-6-22 17544 Modoc On the west side of the road, about 30 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
  NY851345  Camissonia contorta B. M. Bartholomew 1995-5-13 6912 Modoc 2.7 km northeast of County Road 38 on County Road 37, east side of the south end of Surprize Valley 1410 Comment
  NY852084  Camissonia tanacetifolia B. J. Ertter 1988-6-18 7606 Modoc West side of Hwy 139 just south of where it crosses railroad at junction to Clear Lake, northeast of Dry Lake east of Lava Beds National Monument 1250 Comment
  CAS-BOT-BC191076  Camissonia tanacetifolia subsp. tanacetifolia M. M. Hanna 1956-6-7 1005 Modoc Junction of Hwy 139 and Glass Mt. Road. Comment
  CAS-BOT-BC191089  Camissonia tanacetifolia subsp. tanacetifolia Robert Folger Thorne; J. Henrickson; C. W. Tilforth 1969-9-4 39085 Modoc E shore of Goose Lake at Willow Ranch. 1432 Comment
  SEINET10463375  Campanula scabrella Unknown 1978-8-8 Showers 4219 Modoc NEAR PATTERSON LAKE, WARNER MOUNTAINS ON DRY OPEN SLOPES, ELEV. 2743 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-BC58472  Cardamine breweri var. breweri Bruce Bartholomew; Barrett Anderson 1989-6-2 4844 Modoc Vicinity of Stough Reservoir, Warner Mountains. 1950 Comment
  CHSC100860  Carex abrupta L. P. Janeway; B. Castro 2008-8-17 9673 Modoc Warner Mountains. North slope of Bald Mountain; just below the cliffs at the top of the peak. Near moist bed of small rocky drainage channel. On moist slope on the side of the drainage. 2372 Comment
  UC1100433  Carex atherodes Herbert L. Mason, Verne Grant 1947-7-12 13424 Modoc s Alturas (irrigation ditch near s end of west side road along railroad tracks); Pit River Valley Comment
  UCD140121  Carex atherodes Herbert L. Mason; Verne Grant 1947-7-11 13376 Modoc near west side road, South Fork of Pit River, south of Alturas. Comment
  CAS-BOT-BC242368  Carex athrostachya Annie Montague Alexander; L. Kellogg 1946-6-14 4759 Modoc Patterson Mill Road. 1828 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
  CDA33022  Carex athrostachya T. C. Fuller 1958-7-8 1942 Modoc Likely: Corporation Ranch 0 Comment
  SEINET10862025  Carex athrostachya Gordon H. True 1939-6-19 True 998 Modoc Pit River, near Sckeley. Comment
  UC1537620  Carex athrostachya Gordon H. True Jr. 1939-8-16 999 Modoc Canby Comment
  UC1537644  Carex athrostachya Gordon H. True Jr. 1939-6-13 997 Modoc near Likely; Pit River Comment
  JEPS101038  Carex bolanderi Dean W. Taylor 1989-8-4 10429 Modoc Suprise Valley; between Middle Lake and Lower Lake, ca. 2.5 mi N of Eagleville 1231 Comment
  HSC48008  Carex brainerdii D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19509 Modoc Big Valley Summit, 6 mi. W of Adin on Hwy. 299 Comment
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  HSC48185  Carex douglasii D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19424 Modoc Near Hager Reservoir Comment
  CAS-BOT-BC245188  Carex douglasii John H. Hatton 1911-6-12 58 Modoc Modoc County. 1463 Comment
  SD46734  Carex illota Robert J. Weatherby 1955-7-7 1603 Modoc Warner Mountains; Dismal Swamp; common in boggy meadow with Populus tremuloides; Red Fir Forest. 2240 Comment
  UC1158683  Carex lenticularis var. lipocarpa Arthur Cronquist, Arthur H. Holmgren 1959-6-19 8499 Modoc 15 mi e of Likely (just above Clear Lake, Warner Mountains, along Mill Creek); Warner Mountains, Mill Creek 1828 Comment
  HSC7115  Carex microptera M. T. Milligan 1966-7-3 533 Modoc Slopes and ridges E of Jess Valley 1829 Comment
  HSC48004  Carex multicaulis D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19489 Modoc Big Valley Summit, 6 mi. W of Adin on Hwy. 299 Comment
  CAS-BOT-BC245169  Carex nebrascensis B. Anderson 1986-7-9 3183 Modoc Warner Mountains; Stough Reservoir Rd just E of Cedar Pass near Stough Reservoir 1965 Comment
  CAS-BOT-BC245171  Carex nebrascensis Bruce Bartholomew; Barrett Anderson 1989-6-1 4756 Modoc ca. 0.5 km W of Davis Creek on road to S end of Goose Lake. 1460 Comment
  UC1100494  Carex nebrascensis Herbert L. Mason, Verne Grant 1947-8-8 13457 Modoc n Big Sage Reservoir (nw of Alturas); Ingalls Swamp Comment
  CHSC108019  Carex pellita Lowell Ahart; John Dittes 2011-6-21 17528 Modoc About 100 yards west of the 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. 1268 Comment
  UC826624  Carex pellita John Thomas Howell 1934-6-16 12207 Modoc Parker Creek Warner Mts. 1584 Comment
  JEPS86244  Carex phaeocephala W. L. Jepson 1918-8-13 7978 Modoc summit of Eagle Peak Eagle Peak; Warner Mts., Eagle Peak 3017 Comment
  CAS-BOT-BC118321  Carex praegracilis E. K. Balls 1950-5-10 14603 Modoc Below Monlo Baths, west shore Lower Alkali Lake 1402 Comment
  CAS-BOT-BC245156  Carex praegracilis Herbert Louis Mason; Verne Grant 1947-8-13 13535 Modoc N side of F Reservoir, N of Canby. 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
  UC1586914  Carex praegracilis Juha Pykala and D. H. Norris 1987-5-28 1289 Modoc Joseph Creek Warner Mountains, Modoc National Forest, Joseph Creek Basin 1650 Comment
  CAS-BOT-BC118613  Carex raynoldsii Annie M. Alexander; Louise Kellogg 1946-6-30 4884 Modoc Highgrade, N end Warner Mts. Comment
  UC1736038  Carex raynoldsii Dean W. Taylor 1989-8-5 10469 Modoc North Emerson Lake; Warner Mountains Comment
  CAS-BOT-BC242351  Carex scopulorum var. bracteosa Annie Montague Alexander; L. Kellogg 1946-6-28 4856 Modoc Pine Creek Canyon. 2103 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
  SJSU9611  Carex simulata W. Savage 1979-7-6 1388 .5 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  JEPS63647  Carex straminiformis W. L. Jepson 1918-8-13 7966 Modoc summit Eagle Peak; Warner Mts., Eagle Peak 3017 Comment
  CHSC77253  Carex subfusca G. Schoolcraft 1996-7-23 2543 Modoc E. of Yankee Jim Ranch about 12 mile se of Alturas. 1645 Comment
  RSA233773  Carex subfusca Robert F. Thorne, C. W. Tilforth 1969-9-5 39145 Modoc Margin of small slough along South Fork of Pit River above jct. with West Creek at Public Campground, ca. 6 miles E of Likely. 1402 Comment
  CAS-BOT-BC245143  Carex utriculata A. Cronquist; N. Holmgren 1959-6-19 8513 Modoc Shore of Clear Lake, Warner Mts. 1828 Comment
  CHSC100234  Carex utriculata John Dittes; Josephine Guardino 1991-8-23 454 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. 2209 Comment
  UC70019  Carex vernacula Mrs. M. H. Manning Aug. 1903 433 Modoc ne Modoc County Comment
  CAS-BOT-BC497334  Carex vesicaria var. vesicaria G. Schoolcraft 1996-7-23 2546 Modoc E. of Yankee Jim Ranch, SE of Alturas 1645 Comment
  HSC75584  Carex whitneyi G. M. Riegel 1979-7-27 609 Modoc S Warner Mtns. 1670 Comment
  UC1024855  Carex whitneyi Leo Whitney 1935-6-6 3188 Modoc ca. 2 mi n Hole-in-the-rock (ca. 18 mi wnw of Canby) Comment
  SFV3327  Castilleja angustifolia I. L. Wiggins, D. B. Wiggins 1961-6-12 16421 Modoc Warner Mountains Rocky slope near summit of Cedar Pass, between Alturas and Cedarville. 1951 Comment
  RSA504668  Castilleja angustifolia K. Paulson, R. Paulson 1988-5-24 17 Modoc Granger Canyon, Warner Mountains. 1494 Comment
  CAS-BOT-BC225979  Castilleja applegatei subsp. pinetorum Elmer Ivan Applegate 1929-6-24 5888 Modoc Between Adin and Canby, Pit River Valley. Comment
  CAS-BOT-BC225986  Castilleja applegatei subsp. pinetorum K. Paulson; Robert Paulson 1988-6-29 58 Modoc Joseph Creek Basin, Warner Mts.. 1524 Comment
  CAS-BOT-BC229827  Castilleja applegatei subsp. pinetorum Mrs. H. C. Cantelow 1941-5-23 s.n. Modoc 2 mi. W of Adin Summit, Hwy 299. Comment
  JEPS3814  Castilleja applegatei subsp. pinetorum Annie M. Alexander and Louise Kellogg 1946-6-12 4733 Modoc 2 mi s Fort Bidwell 1444 Comment
  RSA164352  Castilleja applegatei subsp. pinetorum Clare B. Hardham 1961-6-18 7810 Modoc Mountains south of Cedar Pass. Comment
  RSA339154  Castilleja applegatei subsp. pinetorum Margaret J. Williams 1984-6-28 84- 69 -2 Modoc Warner Mtns., N of Cedar Pass. End of Soldier Creek road. 2073 Comment
  UC1063038  Castilleja applegatei subsp. pinetorum R. C. Wilson 1933-5-30 35 Modoc Rush Creek Camp; Modoc National Forest, Canby Quad. 1432 Comment
  UC444864  Castilleja applegatei subsp. pinetorum Mrs. M. H. Manning 1907-1 Modoc e side Mt. Bidwell; 12 Mile Creek Comment
  SD61015  Castilleja applegatei subsp. pinetorum Darley F. Howe 1964-7-31 Modoc 8.5 mi from entrance to Modoc National Forest; road east of Likely 1615 Comment
  CAS-BOT-BC226011  Castilleja arachnoidea Bruce Bartholomew; Barrett Anderson 1988-7-22 4522 Modoc S end of Bearcamp Flat, southern end of Warner Mts.. 2230 Comment
  HSC80806  Castilleja arachnoidea G. M. Riegel 1980-8-20 1079 Modoc South Warner Mts. 1829 Comment
  UC748159  Castilleja arachnoidea Annie M. Alexander and Louise Kellogg 1946-7-30 5099 Modoc e slope near summit Eagle Peak; Warner Mountains Comment
  JEPS28981  Castilleja arachnoidea Frances D. Payne 1931-6-29 310 Modoc e slope Mt. Warren; Warner Range, Mt. Warren 2286 Comment
  CHSC117755  Castilleja campestris subsp. campestris L. P. Janeway 2016-5-16 11988 Modoc Modoc Plateau. Devils Garden area; along Road 47N07 1.8 road-km south of Road 181/73/47N09. 1573 Comment
  CHSC112421  Castilleja chromosa Lowell Ahart; John Dittes, Todd Sloat 2013-6-8 18765 Modoc About 300 yards east of the Parking Area, east of the old barn, Ash Creek State Wildlife Area, about 3.9 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  SBBG6767  Castilleja chromosa H. and M. Dearing 1939-6-9 3626 Modoc Warner Mtns [near Squaw Peak?] 2133 Comment
  JEPS29100  Castilleja lacera Lauramay T. Dempster 1961-6-18 1699 Modoc 3.2 mi e Cedar Pass (near head of canyon s of highway) 1752 Comment
  UC199411  Castilleja linariifolia M. F. Gilman 502 Modoc 1676 Comment
  RSA82265  Castilleja miniata F. W. Peirson 1926-6-25 6887 Modoc Small side canyon 1 mile east of summit of Warner Mountains on Cedarville Road. Comment
  RSA46754  Castilleja payneae J. T. Howell 1934-6-14 12110 Modoc Near Lost Lake, Warner Mts. 2439 Comment
  CAS-BOT-BC226060  Castilleja pilosa Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-13 16470 Modoc Roadside 2.4 mi. S of Davis Creek, SE side of Goose Lake. Comment
  UCD123042  Castilleja pilosa R. E. Preston 2000-6-2 1362 Modoc Modoc Plateau, along Hwy 139, ca. 2.5 mi e of Forest Service Road 44N11. 1493 Comment
  JEPS76810  Castilleja tenuis Theodore F. Niehaus 1978-6-28 952 Modoc ca 12 mi w Canby (0.3 mi s on road to Craig Springs from junction with Loveness mainline logging road and 0.05 mi into sec. 13) Comment
  JEPS77516  Castilleja tenuis L. R. Heckard with T. I. Chuang and R. C. Bacigalupi 1978-7-19 4883 Modoc Cedar Pass; n side of road 1920 Comment
  JEPS79137  Castilleja tenuis L. R. Heckard with R. Bacigalupi 1980-6-11 5240 Modoc ca 10 air mi se Alturas (junction of Parker Creek and Shields Creek roads); junction of Parker Creek and Shields Creek 1737 Comment
  UC452542  Ceanothus X rugosus Franklin P. Nutting Modoc w side Egg Lake Lava Beds, w side Egg Lake Comment
  CAS-BOT-BC217134  Ceanothus cordulatus Bruce Bartholomew 1992-5-16 6340 Modoc Burned area along County Road 91, ca. 2.5 km S of turn off to Happy Camp Ranger Station. 1390 Comment
  CAS-BOT-BC217101  Ceanothus prostratus Alice Eastwood; John Thomas Howell 1940-6-13 8143 Modoc Fandango Pass. Comment
  CAS-BOT-BC217147  Ceanothus prostratus Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-14 16490 Modoc NW flank of Buck's Mt., on road to Sugar Hill lookout. Comment
  HSC18324  Ceanothus prostratus M. T. Milligan 1964-6-25 91 Modoc Upper Lassen Creek 1829 Comment
  CAS-BOT-BC217123  Ceanothus velutinus Elmer Ivan Applegate 1932-7-31 7982 Modoc Mill Creek Meadows. Comment
  UC18457  Ceanothus velutinus Milo S. Baker 1893-7-10 Modoc 1219 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
  CAS-BOT-BC15097  Centaurea diffusa L. D. White 1959-8-19 s.n. Modoc W of Canby. Comment
  UCD130121  Centaurea virgata subsp. squarrosa T. C. Fuller 1962-8-29 9487 Modoc road to Adin, 0.2 mile east of Lookout, Big Valley. Comment
  UC71817  Centaurium muehlenbergii Mrs. M. H. Manning Aug 1903 217 Modoc near Fort Bidwell (ne Modoc Co.) Comment
  POM128271  Centaurium muehlenbergii Milo S. Baker 1899-8-18 s.n. Modoc Little Hot Spring Valley Comment
  CAS-BOT-BC95501  Ceratophyllum demersum Bruce Bartholomew 1989-8-11 5053 Modoc Along W side of Goose Lake, 4.2 km N of McGinty Point on National Forest Road 48. 1430 Comment
  RSA503050  Cercis occidentalis Bruce Bartholomew, B. Anderson 1988-6-23 4228 Modoc 2.1 km SSE of Day on the road to State Highway 299. 1020 Comment
  CAS-BOT-BC197529  Cercocarpus betuloides var. betuloides Bruce Bartholomew; Barrett Anderson 1988-6-23 4257 Modoc 1.8 km WSW of Day on County Road 94. 1170 Comment
  UCD22470  Cercocarpus betuloides var. macrourus Brian Vanden Heuvel 2003-4-11 199 Modoc Rush Creek Campground in Modoc National Forest, about 10 miles north of Adin and 6 miles south of Adin Pass. Comment
  UC415484  Cercocarpus betuloides var. macrourus Milo S. Baker 1893-6 Modoc Modoc Co. Comment
  HSC80691  Cercocarpus ledifolius G. M. Riegel 1979-9-1 725 Modoc S Warner Mtns. 1739 Comment
  SEINET10543173  Cercocarpus ledifolius LeRoy E. Detling 1948-5-23 Detling 6247 Modoc Plum ridge, near canby, t43n,r7e,sec.8, mdm. Yellow pine forest. Pinus Ponderosa, p. Jeffreyi, juniperus occidentalis, arctostaphylos patula. Level Plateau, rocky red clay-loam 1524 Comment
  CAS-BOT-BC197531  Cercocarpus ledifolius var. ledifolius Bruce Bartholomew; Mona Bourell 1990-4-27 5170 Modoc NW side of Rice Flat, ca. 2 km S of Adin Pass. 1540 Comment
  CAS-BOT-BC214641  Cercocarpus ledifolius var. ledifolius C. L. Hitchcock 1940-5-27 6689 Modoc 15 mi. NE of Alturas. 1615 Comment
  CAS-BOT-BC214648  Cercocarpus ledifolius var. ledifolius Elmer Ivan Applegate 1932-8-1 8055 Modoc Near summit S of Warren Peak, Warner Mts. Comment
  UC1075723  Cercocarpus ledifolius var. ledifolius Robert J. Weatherby 1955-7-8 1632 Modoc 5 mi n of Fort Bidwell (northern Warner Mountains); Warner Mountains 1645 Comment
  CAS-BOT-BC15027  Chaenactis macrantha Bruce Bartholomew 1994-5-15 6689 Modoc E of Eagleville near Nevada border, E side of Surprize Valley. 1490 Comment
  CAS-BOT-BC197575  Chamaebatiaria millefolium Mrs. M. H. Manning s.n. Modoc NW Modoc County. Comment
  CAS-BOT-BC197526  Chamaebatiaria millefolium Mrs. M. H. Manning s.n. Modoc NW Modoc County. Comment
  UC12126  Chamaebatiaria millefolium Milo S. Baker 1893-7-8 Modoc Comment
  CAS-BOT-BC245417  Chamaesaracha nana Bruce Bartholomew; Barrett Anderson 1990-7-20 5533 Modoc 3.4 km NW of Tamarack Flat, E side of Warner Mts. 2130 Comment
  UC884529  Chamaesaracha nana M. S. Baker and Frank Nutting 1894-7-12 Modoc Pine Creek Comment
  UC26086  Chamaesaracha nana Mrs. R. M. Austin Jun 1894 Modoc Comment
  CHSC106186  Chamaesyce serpillifolia subsp. serpillifolia Lowell Ahart; John Dittes 2010-8-31 17116 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, 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. 1295 Comment
  CHSC111404  Chamaesyce serpillifolia subsp. serpillifolia Lowell Ahart; John Dittes 2012-7-12 18356 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
  CHSC117245  Chamaesyce serpillifolia subsp. serpillifolia Lowell Ahart; John Dittes 2016-7-16 21257 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 mile (air) south of County Road 87, 1.75 miles (air) west of Adin, Big Valley. 1273 Comment
  SBBG128254  Chamaesyce serpillifolia subsp. serpillifolia L. Ahart, J. Dittes 2010-8-30 17054 Modoc N side of a small wash, ca. 10 yards W 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
  CAS-BOT-BC15028  Chamomilla suaveolens Bruce Bartholomew; Barrett Anderson 1989-6-1 4749 Modoc ca. 0.5 km W of Davis Creek on road to S end of Goose Lake. 1460 Comment
  CAS-BOT-BC30192  Cheilanthes gracillima Franklin P. Nutting 1894-8-25 Modoc Forestdale Comment
  CAS-BOT-BC95518  Chenopodium berlandieri Roxana Stinchfield Ferris; L. Lorraine 1941-8-14 10613 Modoc Summit of Fandango Pass on road between Fort Bidwell and Pine Creek. 1889 Comment
  UC1191344  Chenopodium glaucum Herbert L. Mason 1947-8-12 13507 Modoc junction of North and South Forks of Pit River Alturas Comment
  JEPS117371  Chenopodium rubrum var. humile Lowell Ahart, John Dittes 2010-8-30 17049 Modoc About 10 yards west of fence, south edge of the meadow, Ash Creek State Wildlife Area, 2300 feet north of Lassen County line, 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley 1267 Comment
  UC748232  Chimaphila umbellata Annie M. Alexander and Louise Kellogg 1946-9-8 5118 Modoc Deep Creek Canyon Warner Mts., Deep Creek Canyon Comment
  UCD170118  Chorispora tenella R. Breckenridge; K. Filippini 2005-6-20 s.n. Modoc Likely, Lynetta Farms, Jones Lane. Comment
  UC52605  Chorizanthe polygonoides var. polygonoides M. S. Baker and Frank Nutting 1894-6-29 Modoc Big Valley Comment
  POM57302  Chrysanthemum segetum M. S. Baker s.n. Modoc [Unspecified] Comment
  CAS-BOT-BC15036  Chrysothamnus nauseosus subsp. consimilis Elmer Ivan Applegate 1932-8-6 8198 Modoc E side of Middle Lake, Surprise Valley. Comment
  CAS-BOT-BC14987  Chrysothamnus viscidiflorus subsp. viscidiflorus Elmer Ivan Applegate 1936-9-23 11076 Modoc South base of Caldwell Butte, Lava Beds National Monument. Comment
  CAS-BOT-BC14988  Chrysothamnus viscidiflorus subsp. viscidiflorus Elmer Ivan Applegate 1936-9-22 11058 Modoc Fleeners Chimneys, Lava Beds National Monument. Comment
  UC1400383  Cicuta douglasii R. F. Thorne and C. W. Tilforth 1969-9-5 39160 Modoc Modoc National Forest, Warner Mountains, Clear Lake Clear Lake; Modoc National Forest, Warner Mountains, Clear Lake 1767 Comment
  JEPS89935  Cicuta maculata Dean Wm. Taylor with Glenn L. Clifton 1989-8-6 10498 Modoc West shore Lower Lake (Surprise Valley). 1363 Comment
  CAS-BOT-BC191009  Circaea alpina subsp. pacifica Bruce Bartholomew; Barrett Anderson 1988-7-21 4439 Modoc Above Upper Rush Creek Campground ca. 4 km E of State Highway 299 between Adin and Canby. 1580 Comment
  UC1192199  Cirsium arvense Verne Grant and Irving Schneider 1947-7-20 8109 Modoc from Alturas; North Fork of Pit River Comment
  CAS-BOT-BC14957  Cirsium cymosum Roxana Stinchfield Ferris; R. Duthie 1919-6-14 70 Modoc Above Parker Creek. 1981 Comment
  CAS-BOT-BC14933  Cirsium occidentale var. candidissimum John Thomas Howell 1934-6-13 12084 Modoc Surprise Valley near Fort Bidwell. Comment
  HSC65596  Cirsium occidentale var. candidissimum Thomas Wood 1979-8-9 230 Modoc Dirt road along Bidwell Creek, 2.7 mi. NW of jct. with Co. Hwy. 2. N of Fort Bidwell 1555 Comment
  RSA0070699  Cirsium occidentale var. candidissimum R. F. Thorne, C. W. Tilforth 1969-9-5 39183 Modoc 3.3 miles N of Likely. 1357 Comment
  CAS-BOT-BC191068  Clarkia gracilis subsp. gracilis C. L. Hitchcock 1940-5-28 6729 Modoc 15 miles north of Alturas. (near Surprise) on dry slope 1402 Comment
  RSA27680  Clarkia gracilis subsp. gracilis C. L. Hitchcock 1940-5-28 6729 Modoc 15 miles north of Alturas, (near Surprise). 1402 Comment
  CAS-BOT-BC191051  Clarkia lassenensis M. M. Hanna 1958-6-22 s.n. Modoc Along road near Canby. Comment
  CAS-BOT-BC191058  Clarkia lassenensis Barbara J. Ertter 1988-6-18 7622 Modoc Hwy 139 a few mi. N of Agric. Inspection Station, 1 mi. S of S jct to Lava Beds Nat'l Monument. 1310 Comment
  CAS-BOT-BC191061  Clarkia lassenensis Roxana Stinchfield Ferris; R. Duthie 1919-6-14 82 Modoc Above Parker Creek, 1.5 mi. above Modoc National Forest Boundary. Comment
  NY999398  Clarkia lassenensis A. J. Cronquist 1959-6-19 8509 Modoc Atop ridge south of Clear Lake; Warner Mountains 15 miles east of Likely 1981 Comment
  SD133952  Clarkia lassenensis Barbara Ertter 1988-6-18 7622 Modoc Highway 139 circa 50 airmiles southwest of Klamath Falls, a few miles north of Agriculture Inspection Station, 1 mile south of south junction to Lava Beds National Monument east of Tonesta; 1310 Comment
  UC1586086  Clarkia lassenensis Barbara Ertter 1988-6-18 7622 Modoc Hwy 139 ca. 50 airmiles s.w. Klamath Falls (a few mi. n. of Agric. Inspection Sation, 1 mi. s. of s. junction ot Lava Beds Nat'l Monument, e. of Tonesta) 1310 Comment
  RSA0059899  Clarkia lassenensis Barbara Ertter 1988-6-18 7622 Modoc Hwy 139 ca 50 airmiles SW of Klamath Falls, a few miles N of Agric. Inspection State, 1 mi S of S jct to Lava Beds Nat l Monument E of Tonesta. 1311 Comment
  UC422855  Clarkia lassenensis M. F. Gilman 555 Modoc 1676 Comment
  HSC16260  Clarkia purpurea subsp. quadrivulnera M. T. Milligan 1964-7-20 158 Modoc N end of Jess Valley, near Mill Creek. 1677 Comment
  CAS-BOT-BC191042  Clarkia rhomboidea Arnold Tiehm 1984-6-30 8839 Modoc NW side of Bidwell Mt., 2.8 road mi. N of 8 Mile Creek on road from Lake Annie. 1828 Comment
  CAS-BOT-BC191044  Clarkia rhomboidea Annie Montague Alexander; L. Kellogg 1946-6-28 4863 Modoc Pine Creek Canyon. 1615 Comment
  CAS-BOT-BC191045  Clarkia rhomboidea Robert J. Weatherby 1955-7-8 1622 Modoc 6 mi. N of Ft Bidwell. 1737 Comment
  SEINET10819638  Clarkia rhomboidea Nancy R. Morin 1978-7-6 Morin 261 Modoc Warner Mts. Campground ca 1/2 mile W of Cedar Pass, Cedar Mtn.; ca 6000 feet. Dry gravelly slopes. 1830 Comment
  SEINET5336344  Claytonia lanceolata L. Miller 1933-3-29 s.n. Modoc On Cedar pass near Cedarville 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-BC197470  Claytonia rubra subsp. rubra Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-13 16456 Modoc Near summit of Fandango Pass, Warner Mts. Comment
  CDA25291  Cleome platycarpa Loring White 1969-6-27 Modoc Found at several locations near Canby. 0 Comment
  CAS-BOT-BC226097  Collinsia parviflora Bruce Bartholomew; Mona Bourell 1990-4-26 5158 Modoc 0.5 km S of Day. 1100 Comment
  CAS-BOT-BC229859  Collinsia parviflora Bruce Bartholomew 1991-6-20 5780 Modoc NE side of Barber Ridge, 10 km NW of Adin on road to Fox Mountain. 1580 Comment
  CAS-BOT-BC229866  Collinsia parviflora Bruce Bartholomew; Barrett Anderson 1988-6-24 4365 Modoc Vicinity of Patterson Campground, southern end of the Warner Mts. 2190 Comment
  JEPS4624  Collinsia parviflora L. S. Smith 1919-5-3 1089 Modoc Rock Spr.; Warner Mtns Comment
  POM260476  Collinsia parviflora C. Leo Hitchcock 1940-5-27 6687 Modoc 15 miles northeast of Alturas. 1616 Comment
  RSA59930  Collinsia parviflora E. K. Balls 1950-5-11 14619 Modoc 8 mi. n. of Lake City, w. shore Upper Lake. 1418 Comment
  SBBG6876  Collinsia parviflora H. and M. Dearing 1939-6-8 3599 Modoc Pine Cyn, Warner Mtns Comment
  UCR87505  Collinsia parviflora George K. Helmkamp, E. A. Helmkamp 1993-5-4 s.n. Modoc 25.6 miles NW of Canby along Calif. Hwy 139 1280 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
  RSA584838  Collinsia sparsiflora var. sparsiflora Bruce Bartholomew, M. Gilbert, L. Skog 1993-5-12 6516 Modoc Ca. 1 km W of Aden on road to Lookout. 1280 Comment
  CAS-BOT-BC229871  Collinsia torreyi Annie Montague Alexander; L. Kellogg 1946-7-19 5035 Modoc Near Benton Meadow. 2072 Comment
  RSA505357  Collinsia torreyi var. wrightii R. C. Bacigalupi, G. Thomas Robbins 1955-7-20 5399 Modoc Flat at summit of forest road across the southern end of the Warner Range, 3.3 miles e. of Patterson Ranger Station, Modoc Nat. Forest. 2226 Comment
  UC217637  Collinsia torreyi var. wrightii Mrs. R. M. Austin Aug 1894 179 Modoc Headwaters of Lassen Creek Lassen Creek; Headwaters of Lassen Creek Comment
  HSC32014  Collomia grandiflora J. D. Ackerman, A. M. Montalvo 1974-7-4 365 Modoc Howards Gulch, 6 mi. NW of Canby, off Hwy. 139 Comment
  HSC16918  Collomia grandiflora R. C. Wunner 1965-6-20 310 Modoc Lava Beds National Monument; Indian Well near Supt. residence area 1463 Comment
  UC748270  Collomia linearis Annie M. Alexander and Louise Kellogg 1946-7-11 4960 Modoc ne corner of county Eight Mile Creek (slope w) Comment
  UCR186867  Collomia tenella Glenn L. Clifton 2007-7-16 46426 Modoc Warner Mtns, South Fork Pine Creek 2172 Comment
Read comments
Jan 18 2008
  CAS-BOT-BC190717  Collomia tinctoria Bruce Bartholomew; Barrett Anderson 1988-5-12 4133 Modoc Along the N side of the Pit River, 0.5 km W of State Highway 299 on Bushey Road. 1310 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
  RSA71945  Collomia tinctoria F. W. Peirson 1926-6-25 6892 Modoc 1 mile east of summit of Cedarville Road, Warner Mountains Comment
  HSC31084  Comarum palustre R. F. Thorne, C. W. Tilforth 1969-9-5 39162 Modoc Modoc National Forest: Warner Mtns.; Clear Lake 1768 Comment
  CHSC100013  Conium maculatum Lowell Ahart; John Dittes 2008-8-25 15280 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
  CDA19672  Conyza canadensis G. D. Barbe 1991-8-28 4447 Modoc Modoc Plateau; Modoc National Forest. Kelley Spring site, n of Adin. 3.4 mi from Hwy 299 at Rush Creek, on Primary Forest Service Rd 22 and Rd 40N33. 1645 Comment
  SEINET3479097  Conyza canadensis Unknown 1991-8-28 4447 Modoc Modoc National Forest, Modoc National Forest, Kelley Spring, 3.4 miles from highway 299 at Rush Creek, on primary Forest Service Road 22 and Road 40N33 1640 Comment
  UC1036065  Corallorhiza maculata Annie M. Alexander and Louise Kellogg 1946-7-17 5005 Modoc Benton Meadow Warner Mountains 2072 Comment
  CAS-BOT-BC242183  Corallorhiza maculata Bruce Bartholomew; Barrett Anderson 1988-7-21 4607 Modoc Field redacted by CAS, contact the data manager for more information 1580 Comment
  UC4424  Corallorhiza striata Milo S. Baker 1893-6-9 Modoc Comment
  JEPS16279  Cordylanthus capitatus Mrs. R. M. Austin Aug. 1894 246 Modoc hills near Lassen Creek (ne Modoc Co.) Comment
  JEPS71355  Cordylanthus capitatus L. R. Heckard with R. Bacigalupi and T. I. Chuang 1973-7-29 3458 Modoc 3.5 mi n of Cedar Pass ((e of summit) e side of Warner Mountains, Summit of Old Cannon Mill Road); Warner Mountains, Old Cannon Mill Road 2072 Comment
  UC71736  Cordylanthus maritimus subsp. canescens Mrs. M. H. Manning 1903-8-26 328 Modoc n end Lake Sessions (ne Modoc Co.) Comment
  CAS-BOT-BC229878  Cordylanthus ramosus John Thomas Howell 1934-7-2 12350 Modoc Mowitz Creak, 1 mi. S of Clear Lake. Comment
  CAS-BOT-BC229881  Cordylanthus ramosus Belknap C. Goldsmith 1912-8-6 81 Modoc W of Goose Lake. 1493 Comment
  CAS-BOT-BC210266  Cornus sericea John Thomas Howell 1934-6-11 11964 Modoc Parker Creek, Warner Mts. 1584 Comment
  CAS-BOT-BC210271  Cornus sericea R. F. Thorne; C. W. Tilforth 1969-9-5 39177 Modoc Along banks of South Fork of Pit River at bridge, 3.8 mi. E. of Likely 1386 Comment
  UC412935  Cornus sericea subsp. sericea Milo S. Baker 1893-1 Modoc Forestdale Comment
  CAS-BOT-BC14901  Crepis acuminata Bruce Bartholomew 1991-8-4 6016 Modoc Drift Fence Tank, ca. 8 km directly W of Goose Lake. 1580 Comment
  CAS-BOT-BC14910  Crepis acuminata John Thomas Howell 1934-6-11 11979 Modoc Parker Creek, Warner Mountains 1584 Comment
  SJSU9607  Crepis acuminata W. Savage 1979-7-7 1466 Modoc Triangle, Devils Garden District, Modoc National Forest 1493 Comment
  CAS-BOT-BC14924  Crepis bakeri Bruce Bartholomew 1991-6-23 5880 Modoc 2.6 km NE of Crowder Flat Road on road between Ingall Swamp and Dorris Brothers Reservoir. 1520 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
  CAS-BOT-BC14918  Crepis bakeri subsp. cusickii Bruce Bartholomew; Barrett Anderson 1989-6-1 4722 Modoc Shake Spring, NW side of Shaffer Mountain. 1500 Comment
  JEPS89242  Crepis modocensis Lauramay T. Dempster 1961-6-18 1696 Modoc 3.2 mi s Cedar Pass (near head of canyon s of Highway) 1752 Comment
  UC31331  Crepis modocensis Mrs. C. C. Bruce June 1898 2164 Modoc Lake City Mountain Comment
  CAS-BOT-BC14879  Crepis modocensis subsp. modocensis Ernest Brown Babcock; George Ledyard Stebbins 1936-6-9 1808 Modoc Cedar Creek Canyon, about 3 mi. W of Cedarville, Warner Mountains 1676 Comment
  CAS-BOT-BC14885  Crepis modocensis subsp. modocensis C. C. (Mrs.) Bruce 1898-6-1 2164 Modoc Lake City Mt. Comment
  HSC81043  Crepis modocensis subsp. modocensis G. M. Riegel 1980-7-29 960 Modoc S Warner Mtns. 1670 Comment
  RSA504635  Crepis modocensis subsp. modocensis Bruce Bartholomew, B. Anderson 1988-6-24 4311 Modoc Road beyond Poison Lake, ca. 8 km S of the road from Hwy 395 to Lily Lake, Warner Mountains. 2130 Comment
  CAS-BOT-BC14886  Crepis modocensis subsp. subacaulis Bruce Bartholomew; Barrett Anderson 1988-5-14 4207 Modoc Hager Basin Reservoir between Crowder Flats and Big Sage Reservoir on USFS road 48N08. 1530 Comment
  UC31311  Crepis monticola M. S. Baker and Frank Nutting 1894-6-30 Modoc Big Valley Comment
  CAS-BOT-BC14856  Crepis occidentalis Annie Montague Alexander; Louise Kellogg 1946-6-28 4865 Modoc Mouth of Pine Creek Canyon, Warner Mountains 1524 Comment
  CAS-BOT-BC14869  Crepis occidentalis Bruce Bartholomew 1993-6-14 6653 Modoc 2 km E of County Road 114 on County Road 108, NW of Clear Lake Reservoir. 1320 Comment
  UC485360  Crepis occidentalis M. F. Gilman 625 Modoc canyons 1676 Comment
  CAS-BOT-BC95594  Cressa truxillensis R. M. Austin 1894-8-1 s.n. Modoc Davis Creek. Comment
  UC23221  Cressa truxillensis Mrs. R. M. Austin Aug., 1894 Modoc Davis Creek Comment
  CAS-BOT-BC14834  Crocidium multicaule Bruce Bartholomew 1991-5-25 5749 Modoc Ca. 1 km W of Tionesta. 1320 Comment
  SEINET10617304  Crocidium multicaule LeRoy E. Detling 1948-5-24 Detling 6256 Modoc North Fork Pit River. 1463 Comment
  CDA4458  Crupina vulgaris Butch Kreps 1992-6-12 Modoc Kelley Spring, Modoc National Forest, Adin. 0 Comment
  CHSC116065  Crypsis alopecuroides Lowell Ahart; John Dittes 2015-7-16 20385 Modoc North edge of Ash Ceek (destroyed), southeast of gravel pit (destroyed), about 1/8 mile east of parking area on east side of Elkins Lane, Ash Ceek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  JEPS119669  Crypsis schoenoides Lowell Ahart, John Dittes 2012-7-11 18348 Modoc About 1/2 mile southeast of the Pilot Butte Parking Lot, north edge of Ash Creek floodplain, about 1.5 miles (air) south of County Road 87, about 7.5 miles (air) west of Adin, about 10.2 miles (air) east of Lookout, Big Valley. Comment
  SEINET7073591  Cryptantha A. G. Vestal 1955-5-18 s.n. Modoc Modoc lava on Route 139. Modoc National Forest. UTM Zone 10, 646374mE, 4627855mN. Coordinate datum: NAD27. Comment
  UCD22685  Cryptantha Sarah Martin 1990-4-21 12 Modoc Modoc quadrangle. Comment
  CAS-BOT-BC54127  Cryptantha affinis Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10529 A Modoc Patterson Ranger Station (East Creek drainage). 2164 Comment
  CAS-BOT-BC54136  Cryptantha circumscissa Bruce Bartholomew 1991-6-22 5833 Modoc E slope of S end of Warner Mountains, 3.4 km SW of County Road 1 on road to Patterson. 1620 Comment
  CAS-BOT-BC54109  Cryptantha intermedia Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16382 Modoc 5 mi. E of Hwy 299 on Cedar Pass road. Comment
  UC402819  Cryptantha intermedia Milo S. Baker 1890-1 Modoc Forestdale Comment
  CAS-BOT-BC54112  Cryptantha simulans Alice Eastwood; John Thomas Howell 1940-6-14 8236 Modoc Near Hackamore. Comment
  CAS-BOT-BC54114  Cryptantha simulans John Thomas Howell 1934-6-13 12043 Modoc Fandango Pass, Warner Mountains 1828 Comment
  OBI48864  Cryptantha simulans Lewis S. Rose 1940-6-14 40578 Modoc 14 mi NW of Canby 1524 Comment
  SDSU20110  Cryptantha subretusa Lee Ripma, R. B. Kelley 2012-7-24 389 Modoc Summit trail, about .25 mi up trail at area where volcanic scree hits trail. 2155 Comment
  NY1112081  Cryptantha watsonii H. D. D. Ripley 1944-6-1 6007 Modoc East of Cedarville 1250 Comment
  UC1321448  Cupressus bakeri C. O. Stone 1964-6-20 COS 292 Modoc 200 yds e Modoc-Siskiyou County line (on logging road); Fall River Mills Quad. 1072 Comment
  UC1321449  Cupressus bakeri C. O. Stone 1964-6-20 COS- 291 Modoc just w of n 1/4 Cor. of Sec. 18 (at logging road crossing: NE1/4, NE1/4, NW1/4); Fall River Mills Quad. 1085 Comment
  CDA5586  Cuscuta approximata var. urceolata Goss 1932-10-3 Modoc 0 Comment
  POM229966  Cyperus squarrosus L. C. Wheeler 1935-9-3 3938 Modoc McGinty Reservoir, Devil s Garden 1463 Comment
  UC4451  Cypripedium montanum Milo S. Baker 1893-6-29 Modoc Comment
  CAS-BOT-BC30211  Cystopteris fragilis Annie Montague Alexander; L. Kellogg 1946-7-23 5059 Modoc Emerson Peak, Warner Mts. Comment
  POM182452  Damasonium californicum Milo S. Baker s.n. Modoc Egg Lake Comment
  UC1100147  Damasonium californicum Malcolm A. Nobs and S. Galen Smith 1949-5-30 774 Modoc w. Alturas (1/2 mi. e. of junction of County Rds. 70 & 54) Comment
  UC1024925  Danthonia californica var. americana Leo Whitney 1935-6-29 3353 Modoc ca 15 mi nw Canby; Modoc National Forest, Lake Joaquina, Hackamore 1463 Comment
  CAS-BOT-BC214752  Dasiphora fruticosa Bruce Bartholomew 1991-8-5 6073 Modoc Summit Trail, NW side of Squaw Peak, W side of Warner Mts. 2480 Comment
  CAS-BOT-BC214754  Dasiphora fruticosa Annie Montague Alexander; L. Kellogg 1946-8-9 5141 Modoc Patterson Lake Trail, Warner Mts. Comment
  CHSC100460  Deinandra lobbii Lowell Ahart; John Dittes 2008-8-25 15328 Modoc On the east side County Road 91, 3.9 miles (air) north-northeast of Lookout. 1275 Comment
  JEPS127155  Deinandra lobbii Lowell Ahart, John Dittes 2016-7-16 21252 Modoc 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) southwest of Adin Big Valley. Comment
  NY492438  Delphinium M. Bourell 1993-8-15 5261 Modoc South Warner Wilderness area. Warner Mountains. Along trail from Patterson Lake to ca. 2 miles north toward Pepperdine Trailhead 2438.4 Comment
  CAS-BOT-BC217338  Delphinium andersonii James Vale; et al 1978-5-1 Modoc Lookout-Hackamore Road, N of Bieber. Comment
  CAS-BOT-BC217349  Delphinium depauperatum Robert Patterson; Mona Bourell 1993-8-15 5261 Modoc Warner Mountains. Along trail from Patterson Lake to ca. 2 mi north towards Pepperdine Trailhead. 2743 Comment
  CHSC117844  Delphinium depauperatum L. P. Janeway 2016-5-16 11999 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
  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
  JEPS86305  Delphinium depauperatum Jack and Betty Guggolz 1988-7-4 979 Modoc Comment
  CAS-BOT-BC217305  Delphinium nudicaule Bruce Bartholomew; M; M. Gilbert; L. E. Skog 1993-5-12 6522 Modoc 1.4 km W of railroad track on County Road 95 between Lookout and Egg Lake. 1290 Comment
  CHSC85135  Delphinium nuttallianum John Dittes; Josephine Guardino 1991-6-1 351 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
  HSC25014  Delphinium nuttallianum M. T. Milligan 1966-7-3 526 Modoc N end of Jess Valley 1616 Comment
  NY487921  Delphinium nuttallianum B. M. Bartholomew 1989-6-2 4841 Modoc Vicinity of Stough Reservoir, Warner Mountains 1950 Comment
  CAS-BOT-BC217277  Delphinium nuttallianum Belknap C. Goldsmith 1913-5-13 94 Modoc Modoc County. 1600 Comment
  CAS-BOT-BC217346  Delphinium nuttallianum Roxana Stinchfield Ferris; R. Duthie 1919-6-14 83 Modoc Modoc County. 1981 Comment
  CAS-BOT-BC217283  Delphinium stachydeum Bruce Bartholomew 1990-8-4 5623 Modoc Slope on N side of Pine Creek Basin on trail to Patterson Lake, W side of Warner Mts. 2380 Comment
  UC790976  Deschampsia danthonioides A. A. Beetle 1941-6-29 2838 Modoc s. slope Mt. Adin Comment
  HSC9610  Deschampsia elongata M. T. Milligan 1964-7-25 174 Modoc Pine Creek Basin, along trail. 2439 Comment
  RSA27333  Descurainia incana subsp. incisa C. L. Hitchcock 1940-5-27 6713 Modoc 15 miles NE of Alturas. 1677 Comment
  HSC6719  Descurainia incisa subsp. incisa M. T. Milligan 1964-7-25 189 Modoc Pine Creek Basin, along trail. 2439 Comment
  CAS-BOT-BC58613  Descurainia pinnata subsp. brachycarpa Alice Eastwood; John Thomas Howell 1940-6-12 8051 Modoc Between Likely and Jess Valley. Comment
  CAS-BOT-BC58439  Descurainia sophia Bruce Bartholomew; Barrett Anderson 1988-6-25 4381 Modoc SW side of Jess Valley, Warner Mts.. 1540 Comment
  CAS-BOT-BC58443  Descurainia sophia E. S. Willits 1940-4-21 186 Modoc Near Stronghold, western Modoc Co. Comment
  CHSC112433  Descurainia sophia Lowell Ahart; John Dittes, Todd Sloat 2013-6-8 18759 Modoc About 100 yards east of the Parking Area, near the old barn, Ash Creek State Wildlife Area, about 3.9 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  UC1133888  Dichelostemma capitatum R. C. Wilson 1933-6-7 42 Modoc Pothole Gulch Modoc National Forest, Canby Quad. 1310 Comment
  CAS-BOT-BC242121  Dichelostemma multiflorum Bruce Bartholomew 1994-5-14 6681 Modoc NW of Day between Oilar Ranch and Day Rock. 1190 Comment
  CHSC70482  Dichelostemma multiflorum A. Sanger 1997-6-24 2545 Modoc Across the road west of McKay Flat in CALO exclosure. 1450 Comment
  HSC81136  Dieteria canescens var. canescens G. M. Riegel 1980-9-3 1132 Modoc South Warner Mountains 1739 Comment
  CAS-BOT-BC49465  Dieteria canescens var. shastensis Leland S. Smith 1924-6-15 1400 Modoc Lava Bed Ranger Station. 1310 Comment
  UCSB31429  Dimeresia howellii Haller, John 1978-7-19 Modoc Summit ridge of Warner Mountains, 1 km north of the Likely-Eagleville Road 2377 Comment
  CHSC79575  Diplacus cusickii S. E. Schoenig 1998-7-4 98 -67 Modoc On N side of Granger Cyn. Rd., 1.5 mi W of Surprise Valley Rd. This intersection being 3.7 miles S of Hwy 299 at Cederville. 1493 Comment
Read comments
Mar 10 2006
  CAS-BOT-BC234520  Diplacus layneae Bruce Bartholomew; Barrett Anderson 1988-6-23 4279 Modoc 4.0 km W of Day on County Road 94. 1340 Comment
  CAS-BOT-BC234486  Diplacus nanus Mrs. H. C. Cantelow 1941-5-23 s.n. Modoc 2 mi W of Adin Pass Summit, Hwy 299. Comment
  SD133259  Diplacus 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 rd mi W of railroad crossing 1299 Comment
  CAS-BOT-BC234442  Diplacus tricolor Bruce Bartholomew 1991-7-6 5965 Modoc 2.4 km W of County Road 91 Forest Service road 42N03. 1340 Comment
  SEINET8553019  Dodecatheon alpinum W. Roderick 1969-6-14 s.n. Modoc Creek above Blue Lake. 1524 Comment
  CAS-BOT-BC218281  Dodecatheon conjugens Annie Montague Alexander; L. Kellogg 1946-6-8 4695 Modoc Road from Eagleville to Patterson Mill. 2286 Comment
  SEINET7073593  Dodecatheon conjugens A. G. Vestal 1955-5-18 s.n. Modoc Modoc lava on Route 139. Modoc National Forest. UTM Zone 10, 646374mE, 4627855mN. Coordinate datum: NAD27. Comment
  UC22370  Dodecatheon conjugens Mrs. R. M. Austin May, 1894 Modoc Goose Lake Valley Comment
  CAS-BOT-BC218278  Dodecatheon conjugens var. conjugens Bruce Bartholomew; Barrett Anderson 1989-4-27 4637 Modoc Ryan Canyon, 6.0 km NW of Adin on road to Dutch Flat. 1370 Comment
  CHSC77227  Dodecatheon pulchellum G. S. Batholomew 1998-6-4 2725 Modoc Island meadow on Devils Garden area. 1615 Comment
  CAS-BOT-BC95119  Downingia bacigalupii K. Paulson; Robert Paulson 1989-6-21 140 Modoc Vicinity of N Fork of Fitzhugh Creek, W side of the Warner Mts. 1493 Comment
  JEPS126542  Downingia bacigalupii Lowell Ahart, John Dittes 2016-6-6 20962 Modoc About 100 yards east of the Parking Area, about one mile south of the intersection of County Road 87 and Access Road to Pilot Butte Parking Area, 3.8 miles (air) east Lookout, 7.5 miles (air) west of Adin, Ash Creek State Wildlife Area. Comment
  RSA0039535  Downingia bacigalupii Lowell A. Ahart, John Dittes 2012-7-11 18334 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
  UC28971  Downingia bacigalupii Mrs. R. M. Austin 1894-1 Modoc Willow Creek Valley Comment
Read comments
Jul 6 2010
  JEPS108480  Downingia bacigalupii Steve Jessup Jul 1995 Modoc N of Canby. 1.4 mi N of Rt. 139 on Rt. 46 Comment
  UC157669  Downingia bacigalupii Milo S. Baker Modoc Little Hot Spring Valley Comment
  UC190695  Downingia bacigalupii M. F. Gilman 644 Modoc 1981 Comment
  POM312372  Downingia bicornuta H. L. Mason, Verne Grant 1947-7-12 13412 Modoc West side of Pit River Valley S of Alturas. Comment
  SJSU3184  Downingia bicornuta R. L. Fisher 1958-6-13 Modoc Bayley L c. 12 mi S of Alturas 1676 Comment
  SJSU9534  Downingia bicornuta W. Savage 1979-6-20 1271 Modoc S margin Bottle Cr Reservoir, Triangle, Devils Garden District, Modoc National Forest 1493 Comment
  UC28963  Downingia bicornuta var. bicornuta Milo S. Baker 1893-6-24 Modoc Egg Lake Comment
  UC1112773  Downingia bicornuta var. bicornuta Calvin McMillan 1949-6-16 1535 Modoc 3 mi s Crowder Flat (about 7 mi s of the Oregon border, n central Modoc Co.) Comment
  JEPS18935  Downingia cuspidata H. L. Mason 1957-6-3 14747 Modoc about 10 mi nw Canby (along road to Klamath Falls) 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
  SEINET3147634  Downingia elegans L. S. Rose 1940-6-11 40511 Modoc Canby 1326 Comment
  UC1192039  Downingia insignis Verne Grant and Irving Schneider 1947-7-21 8115 Modoc 0.25 mi upstream South Fork of Pit River confluence with North Fork (by Alturas); South Fork of Pit River Comment
  UC1101476  Downingia laeta Herbert L. Mason and Verne Grant 1947-7-11 13369 Modoc s of Alturas (by Jones Lane, off Highway 395) Comment
  CAS-BOT-BC58297  Draba albertina Annie Montague Alexander; L. Kellogg 1946-6-25 4823 Modoc Dismal Swamp, N end of Warner Mts. 2255 Comment
  SEINET195673  Draba albertina Annie M. Alexander, L Kellogg 1946-6-25 4823 Modoc Dismal Swamp; N end of Warner Mts 2256 Comment
  UC748492  Draba albertina Annie M. Alexander and Louise Kellogg 1946-7-25 4823 Modoc n end Warner Mts (Dismal Swamp); n end Warner Mountains, Dismal Swamp 2255 Comment
  CAS-BOT-BC58588  Draba verna Bruce Bartholomew; Barrett Anderson 1988-5-12 4101 Modoc White Horse. 1340 Comment
  CAS-BOT-BC58592  Draba verna Bruce Bartholomew; Mona Bourell 1990-4-28 5200 Modoc SE corner of North Alkali Lake, Surprise Valley. 1350 Comment
  UC1587050  Draba verna G. Schoolcraft 1991-5-7 2134 Modoc s Dutch Flat Cr (at nw corner Round Valley); s of Dutch Flat Cr at nw corner of Round Valley 1310 Comment
  CAS-BOT-BC214762  Drymocallis glandulosa Bruce Bartholomew; Barrett Anderson 1989-6-3 4868 Modoc Boles Creek, ca. 5.5 km E of the SE corner of Clear Lake Reservoir. 1430 Comment
  CAS-BOT-BC214764  Drymocallis glandulosa Bruce Bartholomew 1995-8-1 7155 Modoc Bidwell Mtn., E side of the Warner Mountains. 2150 Comment
  CAS-BOT-BC214765  Drymocallis glandulosa Leland S. Smith 1918-8-17 1036 Modoc Eagle Peak Ridge above Emerson. 2621 Comment
  UC12533  Drymocallis lactea Milo S. Baker 1893-6-28 Modoc Comment
  CHSC109515  Drymocallis lactea var. lactea L. P. Janeway; B. Castro 2012-7-25 10990 Modoc Warner Mountains. Slope along north side of Dismal Swamp. 2216 Comment
  UCSB19850  Drymocallis lactea var. lactea Hardham, Clare 1961-6-20 Modoc Mt. Bidwell Dismal Swamp Rd. 2438 Comment
  UCR67444  Echinochloa crus-galli George K. Helmkamp 1990-9-23 I- 25 Modoc Warner Mtns, Goose Lake, within 0.1 mi of the Oregon border 1476 Comment
  RSA0114933  Elatine Lowell Ahart, John Dittes 2013-7-24 18919 Modoc Around a man made pond, north side of Ash Creek Floodplain, 0.54 mile (air) southeast of Pilot Butte Parking Area, 1.1 miles (air) south of Country Road 87, 6.8 miles (air) west of Adin, Big Valley. 1263 Comment
  CHSC117248  Elatine rubella Lowell Ahart; John Dittes 2016-7-16 21246 Modoc Strand of the secnd 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, 1.75 miles (air) west of Adin, Big Valley. 1273 Comment
  UC1101550  Elatine triandra Herbert L. Mason 1947-8-8 13465 Modoc nw Alturas (sw margin of Big Sage Reservoir) Comment
  CAS-BOT-BC242379  Eleocharis John H. Hatton 1911-6-16 102 Modoc Happy Camp. 1463 Comment
  CAS-BOT-BC242389  Eleocharis bella Robert Folger Thorne; et al 1969-9-4 39112 Modoc N Fork of Pit River, 3.4 mi. N of Alturas where crossed by Hwy 395. 1341 Comment
  UC190419  Eleocharis bella M. S. Baker and Frank Nutting 1894-8-20 Modoc Forestdale 1371 Comment
  POM172483  Eleocharis bella Franklin P. Nutting 1894-8-20 s.n. Modoc Forestdale [sw Modoc Co; 160 acres of woodland & meadow, owned by M. S. Baker family, 12 mi w of Lookout, a small village on Pit river; = Baker Place of Modoc National Forest map (1941)., Adjacent to Taylor Mt (original location of Forestdale) (Jepson Herbarium Place Name Index)] 1372 Comment
  UC1100610  Eleocharis coloradoensis Herbert L. Mason, Verne Grant 1947-7-10 13351 Modoc 2 mi E of Alturas (Dorris Reservoir) Comment
  JEPS120124  Eleocharis macrostachya Lowell Ahart, John Dittes 2012-7-11 18333 Modoc 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
  POM313069  Eleocharis palustris Calvin McMillan, Malcolm A. Nobs 1949-6-16 791 Modoc Dry Valley Reservoir, 33 miles north-northwest of Alturas Comment
  UC1100700  Eleocharis quinqueflora Malcolm A. Nobs, Calvin McMillan 1949-6-16 796 Modoc Dry Valley Reservoir, 33 mi NNW of Alturas. Comment
  CAS-BOT-BC245108  Elodea canadensis Milo Samuel Baker 1899-8-12 5481 Modoc Egg Lake. Comment
  JEPS45884  Elymus L. S. Smith 1281 Modoc Ranger Station pasture Rush Creek (s of meadow) Comment
Read comments
Mar 25 2011
  UC1025062  Elymus X macounii Leo Whitney 1935-7-21 3564 Modoc 15 mi w Canby; Modoc National Forest, Happy Camp 1463 Comment
  CHSC110905  Elymus caput-medusae Lowell Ahart; John Dittes 2012-7-10 18312 Modoc Ash Creek State Wildlife Area, about 3.2 miles (air) west of Adin, about 8.4 miles (air) northeast of Bieber, Big Valley. Northeast of the old homestead. 1267 Comment
  CHSC100122  Elymus cinereus L. P. Janeway; B. Castro 2008-8-16 9543 Modoc Modoc Plateau. Surprise Valley; east side of Middle Alkali Lake, south side of Hwy 299 10.5 km east of Cedarville. 1378 Comment
  SJSU9602  Elymus cinereus W. Savage 1979-7-5 1376 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  UCD61554  Elymus elymoides L. D. Whitney 1935-7-5 Modoc Hackamore. Comment
  UCD61579  Elymus elymoides L. Whitney 1935-7-2 Modoc Badger Well. Comment
  HSC10191  Elymus elymoides var. elymoides M. T. Milligan 1964-6-4 17 Modoc East D St. between 4th and 5th St., Alturas 1372 Comment
  HSC10950  Elymus elymoides var. elymoides R. C. Wunner 1965-6-22 250 Modoc Lava Beds N. M., 1/2 mi. N of Canby Cross. 1220 Comment
Read comments
Aug 20 2013
  HSC80814  Elymus glaucus G. M. Riegel 1979-9-1 744 Modoc S Warner Mtns. 509 Comment
  UC1024736  Elymus multisetus Leo Whitney 1934-5-19 3044 Modoc Timbered Mountain Modoc National Forest, Devil's Garden (ne portion of county) 1524 Comment
  SJSU9603  Elymus spicatus W. Savage 1979-7-5 1377 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  UCD62720  Elymus trachycaulus Beecher Crampton; Carl Rimbey 1954-7-7 2125 Modoc Vacant lot adjacent to the Lederer Building, Alturas. Comment
  CAS-BOT-BC191033  Epilobium angustifolium subsp. circumvagum Bruce Bartholomew 1991-7-6 5971 Modoc 0.8 km NE of Curtis Waterhole. 1310 Comment
  CAS-BOT-BC191037  Epilobium angustifolium subsp. circumvagum Bruce Bartholomew 1991-7-6 5971 Modoc 0.8 km NE of Curtis Waterhole. 1310 Comment
  CAS-BOT-BC191010  Epilobium brachycarpum Robert Folger Thorne; et al 1969-9-4 39069 Modoc Margin of Goose Lake, SW shore of Goose Lake N of McGinty Point. 1432 Comment
  CAS-BOT-BC191022  Epilobium brachycarpum Bruce Bartholomew 1991-6-21 5799 Modoc 1.6 km S of Davis Creek on U.S. Hwy 395. 1450 Comment
  CAS-BOT-BC191024  Epilobium brachycarpum John Thomas Howell 1934-7-1 12309 Modoc Duncan Horse Camp. 1355 Comment
  CHSC33988  Epilobium brachycarpum N. E. H. Prouty; J. D. Prouty 1980-8-1 198 Modoc Modoc Nat. Forest, Warner Mt. District. Opening south of Soup Spring's Campground. 2072 Comment
  HSC16226  Epilobium brachycarpum M. T. Milligan 1966-7-25 574 Modoc E of Jess Valley 1646 Comment
  UC1191737  Epilobium brachycarpum Verne Grant and Irving Schneider 1947-8-27 8308 Modoc about 10 mi s Tulelake; Modoc National Forest Comment
  UC20103  Epilobium brachycarpum Milo S. Baker 1893-6-25 Modoc nr. Egg Lake 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
  SJSU9587  Epilobium campestre W. Savage 1979-7-5 1351 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  HSC16364  Epilobium ciliatum subsp. ciliatum M. T. Milligan 1966-7-25 570 Modoc E of Jess Valley 1646 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
  CAS-BOT-BC190985  Epilobium ciliatum subsp. glandulosum Bruce Bartholomew 1989-8-11 5072 Modoc Along Lassen Creek near SE side of Harris Flat, Warner Mountains. 1920 Comment
  CAS-BOT-BC190990  Epilobium ciliatum subsp. glandulosum Leland S. Smith 1917-8-3 148 Modoc South Fork Davis Creek. 2133 Comment
  RSA8243  Epilobium ciliatum subsp. glandulosum Elmer I. Applegate 1932-8-7 8243 Modoc Lily Lake, Bidwell Pass, Warner Mountains Comment
  UC711832  Epilobium ciliatum subsp. glandulosum Roxana S. Ferris and Laura Lorraine 1941-8-13 10519 Modoc Patterson Ranger Station Warner Mts., Modoc National Forest (East Creek drainage) 2164 Comment
  CAS-BOT-BC190972  Epilobium densiflorum Bruce Bartholomew 1990-8-3 5604 Modoc Ash Creek Wildlife Refuge, ca. 2.5 km S of County Road 87 and 7 km W of Adin. 1250 Comment
  CAS-BOT-BC190974  Epilobium densiflorum Elmer Ivan Applegate 1932-7-8 7564 Modoc Western margins of Cowhead Lake. Comment
  JEPS31480  Epilobium densiflorum Frances D. Payne 1933-8-5 770 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  CAS-BOT-BC497332  Epilobium glaberrimum subsp. fastigiatum G. Schoolcraft 1997-8-10 2696 Modoc Warner Mtns. S of N. Emerson Lake 2590 Comment
  CAS-BOT-BC190967  Epilobium hallianum Annie Montague Alexander; L. Kellogg 1946-6-30 4873 Modoc Highgrade, W side of ridge. 2377 Comment
  CAS-BOT-BC248344  Epilobium hallianum B. Bartholomew; H. Sun 2002-6-24 8827 Modoc S end of Sweagert flat ca. 15.3 straight line km WNW of Aden 1820 Comment
  CAS-BOT-BC190953  Epilobium minutum Milo Samuel Baker; Franklin P. Nutting 1894-6-16 s.n. Modoc Near Forestdale. Comment
  CAS-BOT-BC190946  Epilobium obcordatum Elmer Ivan Applegate 1932-8-5 8170 Modoc Cedar Mt., Cedar Pass, Warner Mountains. Comment
  CAS-BOT-BC190938  Epilobium pallidum Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-13 16465 Modoc 4 mi. W of summit of Fandango Pass. Comment
  HSC29979  Epilobium pallidum D. H. Norris, S. Dowty, Thomas W. Nelson 1971-6-23 19503 Modoc Big Valley Summit, 6 mi. W of Adin on Hwy. 299 Comment
  UC19957  Epilobium pallidum M. S. Baker and Frank Nutting 1894-6-4 Modoc Little Hot Spring Valley Comment
  CAS-BOT-BC190868  Epilobium pygmaeum Herbert Louis Mason 1947-8-15 13563 Modoc W side of Goose Lake 11 mi. from Davis Creek. Comment
  CAS-BOT-BC190926  Epilobium pygmaeum D. M. Moore 1960-6-4 119 Modoc Along Hwy 299 2.5 mi. N of Canby. Comment
  CAS-BOT-BC190858  Epilobium torreyi Peter Hamilton Raven; Otto Thomas Solbrig 1958-6-18 13331 Modoc Eastern outskirts of Lookout. Comment
  CAS-BOT-BC190861  Epilobium torreyi D. M. Moore 1960-6-4 121 Modoc 7.4 mi. W of Adin on road to Lookout. Comment
  HSC856  Equisetum arvense M. T. Milligan 1965-6-26 321 Modoc E of Jess Valley 1585 Comment
  RSA0062645  Equisetum arvense Marion P. Harthill 1971-6-23 371 Modoc Fort Bidwell. Comment
  CAS-BOT-BC30180  Equisetum laevigatum Alice Eastwood; John Thomas Howell 1940-6-13 8181 Modoc E side of Cedar Pass. Comment
  CAS-BOT-BC95474  Eremogone aculeata John H. Hatton 1911-6-20 130 Modoc Near Bolles meadows, Lava-Juniper country. 1524 Comment
  CAS-BOT-BC95443  Eremogone congesta Bruce Bartholomew 1991-8-5 6045 Modoc Squaw Peak Trail on N side of Squaw Peak, E side of Warner Mts. 2450 Comment
  CAS-BOT-BC95462  Eremogone congesta Leland S. Smith 1917-7-17 82 Modoc Granger Mill and Upper Deep Creek. 2133 Comment
  CHSC118083  Eremogone congesta var. subcongesta L. P. Janeway 2016-5-17 12028 Modoc Modoc Plateau. Devils Garden area; along Road 43N18 just east of Porcupine Rim; about 4.0 air-km west of Big Sage Reservoir. 1555 Comment
  CAS-BOT-BC14816  Ericameria bloomeri Louis Cutter Wheeler 1935-9-9 3960 Modoc South Mt., Devil's Garden. 1524 Comment
  JEPS31338  Ericameria bloomeri L. S. Smith 1918-8-11 1025 Modoc Camp One Modoc National Forest 2468 Comment
  CAS-BOT-BC14815  Ericameria bloomeri Elmer Ivan Applegate 1936-9-29 11079 Modoc Bald Crater loop near and S of natural bank spur, Lava Beds National Monument. Comment
  UC216882  Ericameria bloomeri H. M. Hall 1921-9-9 11667 Modoc n Modoc Co. Comment
  SEINET195635  Ericameria discoidea var. discoidea Annie M. Alexander, Louise Kellogg 1946-8-1 5104 Modoc Eagle Peak Warner Mountains crest of divide 3019 Comment
  CAS-BOT-BC287483  Ericameria greenei Annie M. Alexander; Louise Kellogg 1946-8-9 5132 Modoc Slope above Patterson Lake Trail, Warner Mts Comment
  HSC12538  Ericameria nauseosa var. hololeuca Mrs. R. M. Austin Aug 1894 Modoc N of Alturas Comment
  CHSC70464  Ericameria nauseosa var. speciosa A. Sanger 1997-8-21 2606 Modoc Along road south of large burn plantation, approx. 1.5 miles south of Forest Rd. 44N77. 1389 Comment
  HSC81050  Ericameria nauseosa var. speciosa G. M. Riegel 1979-8-23 703 Modoc South Warner Mtns. 1670 Comment
  UC1281347  Ericameria nauseosa var. speciosa H. E. McMinn 1931-5-23 2478 Modoc Warren Mts., Fandango Pass Comment
  CAS-BOT-BC42835  Erigeron austiniae Bruce Bartholomew; Barrett Anderson 1988-5-13 4180 a Modoc Juniper Flats, 10 km E of Likely on road to Jess Valley, W side of the Warner Mts.. 1450 Comment
  CAS-BOT-BC42841  Erigeron austiniae Fred D. Douthitt 1916-5-11 14 Modoc Juniper Flats near West Valley. 1524 Comment
  CAS-BOT-BC42836  Erigeron austiniae Gordon H. True 1964-6-3 1458 Modoc N Fork Pit River between Alturas and Goose Lake. 1463 Comment
  RSA42057  Erigeron austiniae H. C. Cantelow 1935-6-8 862 Modoc Lava beds. Comment
  SBBG29975  Erigeron bloomeri C. L. Hitchcock 1940-5-27 6669 Modoc 15 mi NE of Alturas 1615 Comment
  SBBG8712  Erigeron bloomeri H. and M. Dearing 1939-6-9 3624 Modoc near Squaw Peak, Warner Mtns 2133 Comment
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Apr 17 2007
  CAS-BOT-BC497222  Erigeron bloomeri Margaret J. Williams 1988-5-30 88- 26 -14 Modoc Jess Valley, E of Likely, S of roadside rest. 1524 Comment
  CAS-BOT-BC42814  Erigeron bloomeri var. bloomeri Milo Samuel Baker; Franklin P. Nutting 1894-6-1 s.n. Modoc Near Egg Lake. Comment
  UC1037318  Erigeron bloomeri var. bloomeri Leo Whitney 1934-5-13 1858 Modoc Timbered Mountain Modoc National Forest, Devil's Garden, Timbered Mountain 1524 Comment
  SBBG8713  Erigeron chrysopsidis var. austiniae H. and M. Dearing 1939-6-9 3621 Modoc near Squaw Peak, Warner Mtns 2133 Comment
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Apr 17 2007
  CAS-BOT-BC42820  Erigeron coulteri P. Monnet 1913-7-7 874 Modoc Warner's Range. 2286 Comment
  CAS-BOT-BC42780  Erigeron divergens C. C. (Mrs.) Bruce 1894-8-1 60 Modoc Davis Creek. Comment
  SEINET9334568  Erigeron divergens Unknown 1996-7-21 13295 Modoc In dry, open sites about the Modoc Co Rd 90 bridge over Pit River. E base of Splawn Mtn. N end of Big Valley. Quadrangle: Donica Mtn. 7.5 Comment
  CDA19673  Erigeron divergens G. D. Barbe 1991-8-28 4446 Modoc Modoc Plateau; Modoc National Forest. Kelley Spring site, n of Adin. 3.4 mi from Hwy 299 at Rush Creek, on Primary Forest Service Rd 22 and Rd 40N33. 1645 Comment
  CAS-BOT-BC42757  Erigeron eatonii var. plantagineus Louis Cutter Wheeler 1935-8-4 3783 Modoc Pine Creek, Warner Mtns. 2103 Comment
  CAS-BOT-BC42758  Erigeron eatonii var. plantagineus Francis Marion Ownbey; Frederick Gustav Meyer 1940-7-1 2144 Modoc N slope Cedar Peak, Warner Mtns. Comment
  CAS-BOT-BC42788  Erigeron eatonii var. plantagineus Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-13 16460 Modoc 3 mi. W of summit of Fandango Pass, across Warner Mountains Comment
  CAS-BOT-BC42794  Erigeron eatonii var. plantagineus K. Paulson; Robert Paulson 1989-7-4 174 Modoc Ca. 0.5 mi. S of Patterson Ranger Station, S end of Warner Mts. 2240 Comment
  SEINET228395  Erigeron eatonii var. plantagineus Margaret J. Williams 1983-7-29 83- 116 -1 Modoc 1.1 miles North of Stowe Reservoir Campground North of Cedar Pass Warner Mountains. 2088 Comment
  POM203066  Erigeron filifolius J. T. Howell 1934-6-30 12283 Modoc Duncan Horse Camp. Comment
  JEPS22357  Erigeron filifolius Milo S. Baker 1893-6-20 Modoc Comment
  CAS-BOT-BC49617  Erigeron glacialis var. glacialis Elmer Ivan Applegate 1932-7-9 7593 Modoc N slope of Bidwell Mountain, Warner Mountains Comment
  CAS-BOT-BC49622  Erigeron glacialis var. glacialis Bruce Bartholomew; Barrett Anderson 1990-7-20 5505 Modoc Tamarack Flat, E side of Warner Mts. 2150 Comment
  CAS-BOT-BC49624  Erigeron glacialis var. glacialis Robert Patterson; Mona Bourell 1993-8-14 5218 Modoc Patterson Lake. South Warner Wilderness Area. Warner Mountains. 2743 Comment
  UC468830  Erigeron glacialis var. glacialis M. F. Gilman 522 Modoc Comment
  CAS-BOT-BC49633  Erigeron inornatus var. inornatus Bruce Bartholomew; Barrett Anderson 1988-7-21 4405 Modoc 2.1 km SSE of Day on the road to state Highway 299. 1020 Comment
  JEPS6018  Erigeron inornatus var. inornatus Frances D. Payne 1932-7-25 748 Modoc s and e of Alturas; Warner Mountains, Parker Creek 1584 Comment
  CAS-BOT-BC49649  Erigeron linearis John Thomas Howell 1934-6-3 12252 Modoc Duncan Horse Camp. 1355 Comment
  CAS-BOT-BC49650  Erigeron linearis Annie Montague Alexander; L. Kellogg 1946-6-27 4851 Modoc Highgrade, top of ridge, two miles by road from Dismal Swamp, N end of Warner Mtns. 2377 Comment
  JEPS29177  Erigeron linearis Lauramay T. Dempster 1961-6-18 1692 Modoc peak just s of Cedar Pass Comment
  JEPS89681  Erigeron linearis Dean Wm. Taylor with Glenn L. Clifton 1989-8-5 10452 Modoc cirque headwall above South Emerson Lake (Emerson Creek drainage); Warner Mountains 2560 Comment
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Jun 28 2007
  RSA245023  Erigeron linearis D. H. Norris, T. Nelson, S. Dowty 1971-6-23 19364 Modoc along the South fork of the Pit River, about 6 miles east of Likely Comment
  UC1561045  Erigeron linearis Dean Wm. Taylor with Glenn L. Clifton 1989-8-5 10452 Modoc cirque headwall above South Emerson Lake (Emerson Creek drainage); Warner Mountains, Emerson Creek 2560 Comment
  UC748380  Erigeron linearis Annie M. Alexander and Louise Kellogg 1946-8-9 5137 Modoc Patterson Lake Trail Warner Mountains, Patterson Lake Trail Comment
  CAS-BOT-BC295508  Erigeron linearis Mrs. R. M. Austin 1894-6-1 s.n. Modoc East of Emigrant Springs Comment
  RSA93193  Erigeron linearis J. T. Howell 1934-6-30 12252 Modoc Duncan Horse Camp. Comment
  UC190610  Erigeron linearis M. F. Gilman 667 Modoc Comment
  CAS-BOT-BC49583  Erigeron philadelphicus C. C. (Mrs.) Bruce 1899-8-1 s.n. Modoc Goose Lake. Comment
  CHSC66994  Erigeron pumilus var. intermedius James D. Jokerst 1987-5-12 2855 A Modoc Radar Survey Site S of Doublehead Mtn., N end of central sector, NE of road. Comment
  RSA90968  Erigeron pumilus var. intermedius F. W. Peirson 1926-6-25 6885 Modoc 1 mile east of summit, Cedarville Road, Warner Mountains Comment
  UC6248  Eriogonum caespitosum Mrs. C. C. Bruce June 1898 Modoc Lake City Mt. Comment
  RSA293359  Eriogonum douglasii var. douglasii Reino Alava 1957-7-5 1155 Modoc Cedar Pass, Modoc National Forest, Warner Mountains 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
  CHSC117047  Eriogonum douglasii var. meridionale Lowell Ahart; John Dittes 2016-6-6 20950 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
  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
  CAS-BOT-BC197826  Eriogonum elatum Annie Montague Alexander; L. Kellogg 1946-7-7 4919 Modoc Highway south of town, Fort Bidwell. Comment
  HSC80877  Eriogonum elatum G. M. Riegel 1980-7-29 954 Modoc S Warner Mtns. 1739 Comment
  UCR55661  Eriogonum heracleoides G. R. Ballmer 1988-7-21 s.n. Modoc Warner Mtns., Warner Mountains, Bidwell Mountain, c. 3 mi. south of Oregon border in extreme NE corner of state Comment
  CAS-BOT-BC197805  Eriogonum heracleoides var. heracleoides Leland S. Smith 1917-7-11 96 Modoc Granger Mill Camp. 2133 Comment
  CHSC109507  Eriogonum heracleoides var. heracleoides L. P. Janeway; B. Castro 2012-7-26 11001 Modoc Warner Mountains. Along Highgrade National Recreation Trail 0.9 km south of Little Lily Lake and 1.4 air km north of Mt. Vida. 2340 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-BC211408  Eriogonum nudum var. pubiflorum Bruce Bartholomew; Barrett Anderson 1988-7-23 4556 Modoc Road beyond Poison Lake ca. 8 km S of the road from U.S. Highway 395 to Lily Lake, Warner Mts.. 2140 Comment
  CAS-BOT-BC211447  Eriogonum nudum var. pubiflorum Clare Butterworth Hardham 1961-6-18 7553 Modoc E of Cedar Pass. 1828 Comment
  CDA36737  Eriogonum nudum var. pubiflorum Richard R. Halse 2010-9-2 8108 Modoc Warner Mountains; Modoc National Forest; along State Hwy 299 ca 2.8 miles west of Cedarville by the Cedar Creek Lower Trailhead. Comment
  CHSC117363  Eriogonum nudum var. pubiflorum Lowell Ahart; John Dittes 2016-7-14 21188 Modoc About 30 yards west of the Fishing Access Sign, south side of a poor dirt road, 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) southwest of Adin, Big Valley. 1276 Comment
  NY762343  Eriogonum nudum var. pubiflorum R. R. Halse 1991-7-28 4244 Modoc Along State Highway 139, 13 miles northwest of its junction with State Highway 299 1469 Comment
  CAS-BOT-BC211432  Eriogonum nudum var. pubiflorum Leland S. Smith 1924-6-22 1431 Modoc Along Lava Trail west of Lava R.S. 1325 Comment
  CAS-BOT-BC211434  Eriogonum nudum var. pubiflorum B. Bartholomew; Barrett Anderson 1988-7-21 4407 Modoc 2.1 km SSE of Day of the road to state Highway 299 1020 Comment
  NY762342  Eriogonum nudum var. pubiflorum J. L. Reveal 1975-8-14 3947 Modoc Along California Highway 139-299, 1.2 miles southeast of Adin Summit, about 10.5 miles north of Adin Comment
  RSA273322  Eriogonum nudum var. pubiflorum Thomas W. Nelson, Jane P. Nelson, James Nelson 1976-8-29 3257 Modoc Modoc National Forest, Growing beside highway 299 just northwest of Adin Pass. 1524 Comment
  SEINET5330946  Eriogonum nudum var. pubiflorum N. H. Holmgren, James Lauritz Reveal 1964-8-21 1717 Modoc Warner Range, Modoc National Forest, about 5 miles southwest of Eagleville on the Eagleville-Likely Road, Comment
  SEINET5330949  Eriogonum nudum var. pubiflorum M. S. Baker Unknown s.n. Modoc No data. Comment
  RSA165617  Eriogonum ovalifolium var. multiscapum Clare B. Hardham 1961-6-18 7549 Modoc 3.2 miles east of Cedar Pass 1829 Comment
  CHSC27615  Eriogonum ovalifolium var. nivale Robert Schlising 1978-7-29 3325 Modoc Warner Mountains, directly E of Warren Peak, just off summit of trail. 2852 Comment
  UC1735879  Eriogonum prociduum Dean W. Taylor 1987-6-27 9104 Modoc Highway 395 3.5 miles N of Northern junction with Highway 299 1371 Comment
  NY283083  Eriogonum spergulinum var. reddingianum B. M. Bartholomew 1991-8-5 6026 Modoc Summit trail between Pepperdine and Squaw Peak, W side of Warner Mts. 2190 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
  RSA32928  Eriogonum sphaerocephalum A. A. Heller 1938-6-24 s.n. Modoc Occasional clumps on open gravelly slopes in clay soil between Altures and Candy on U.S. Highway #299. Comment
  SBBG30522  Eriogonum sphaerocephalum D. Myrick 1968-6-20 1968 Modoc Cedar Pass Rd, St Hwy 299, 12 mi E of Alturas 1524 Comment
  CAS-BOT-BC211392  Eriogonum sphaerocephalum var. halimioides Barrett Anderson 1986-7-9 3159 Modoc Warner Mts, Hwy 299 just W of Cedar Pass. 1920 Comment
  CAS-BOT-BC211394  Eriogonum sphaerocephalum var. halimioides M. M. Hanna 1956-6-3 Modoc East of Hot Creek. Comment
  CAS-BOT-BC211423  Eriogonum sphaerocephalum var. halimioides Alice Eastwood; John Thomas Howell 1940-6-11 8007 Modoc 6 miles NE of Adin on road to Canby. Comment
  NY283120  Eriogonum sphaerocephalum var. halimioides R. M. Austin 2319 Modoc Goose Lake Valley Comment
  RSA31848  Eriogonum sphaerocephalum var. halimioides A. A. Heller 1941-6-24 16193 Modoc On rocky hillside just south of Indian Springs along U. S. Highway # 299, in the Juniper Belt. 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
  UC466004  Eriogonum sphaerocephalum var. halimioides W. P. Taylor and H. C. Bryant 1910-6-26 Modoc Parker Cr. Warner Mountains, Parker Cr. 1920 Comment
  UC6458  Eriogonum sphaerocephalum var. halimioides Mrs. R. M. Austin June 1894 Modoc Willow Creek Valley Comment
  NY283218  Eriogonum strictum var. anserinum M. J. Williams 1988-5-30 8826- 2 Modoc Jess Valley, south of roadside rest 1524.0 Comment
  UC1035865  Eriogonum strictum var. anserinum Annie M. Alexander and Louise Kellogg 1946-7-11 4971 Modoc ne corner of mesa w Eight Mile Creek Comment
  SEINET5331657  Eriogonum strictum var. anserinum M. J. Williams 1988-5-30 88- 26 -2 Modoc Jess Valley, S of roadside rest. 1524 Comment
  CAS-BOT-BC497224  Eriogonum strictum var. proliferum Margaret J. Williams 1988-5-30 88- 26 -9 Modoc Jess Valley, E of Likely, S of roadside rest. 1524 Comment
  SEINET5331677  Eriogonum strictum var. proliferum M. J. Williams 1988-5-30 88- 26 -9 Modoc Jess Valley, E of Likely, S of roadside rest. 1524 Comment
  CAS-BOT-BC211370  Eriogonum umbellatum Robert Patterson; Mona Bourell 1993-8-15 5252 Modoc Warner Mountains. Along trail from Patterson Lake to ca. 2 mi north towards Pepperdine Trailhead. 2743 Comment
  HSC43014  Eriogonum umbellatum var. dichrocephalum J. P. Smith, J. O. Sawyer 1973-8-8 7230 Modoc Near summit of Eagle Peak 2988 Comment
  CHSC109488  Eriogonum umbellatum var. modocense L. P. Janeway; B. Castro 2012-7-24 10976 Modoc Warner Mountains. Northwestern flank of Mount Bidwell; 1.2 air km south of Dismal Swamp. 2362 Comment
  CHSC14172  Eriogonum umbellatum var. modocense K. R. Stern; D. B. Joley, J. G. Geschke 1974-6-23 5846 Modoc S side of Hwy. 139, between Canby and Hackamore. Comment
  CAS-BOT-BC197793  Eriogonum umbellatum var. nevadense John Thomas Howell 1934-6-13 12106 Modoc North Fork of Barber Creek, Warner Mts. 1828 Comment
  UC6510  Eriogonum umbellatum var. nevadense Milo S. Baker 1893-7-8 Modoc Lava Beds Comment
  CAS-BOT-BC197618  Eriogonum umbellatum var. polyanthum E. S. Willits 1940-6-5 327 Modoc Canby. Comment
  SJSU9582  Eriogonum umbellatum var. polyanthum W. Savage 1979-7-4 1342 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  UC71868  Eriogonum vimineum Mrs. M. H. Manning 1904-7 234 Modoc near Fort Bidwell Comment
  CAS-BOT-BC49553  Eriophyllum lanatum Margaret J. Williams; et al 1988-6-2 88- 28 -10 Modoc Jess Valley, E of Likely, S of roadside rest. Comment
  CAS-BOT-BC49595  Eriophyllum lanatum E. S. Willits 1940-6-5 324 Modoc Canby. Comment
  POM318696  Eriophyllum lanatum var. achilleoides Patricia Wilder 1971-6-20 5095 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
  RSA647565  Eriophyllum lanatum var. achilleoides Marion P. Harthill 1972-6-17 846 Modoc Cedar Pass 1921 Comment
  UC31682  Eriophyllum lanatum var. achilleoides Milo S. Baker 1893-6 Modoc Comment
  UC75807  Eriophyllum lanatum var. integrifolium Milo S. Baker 1893-1 Modoc Forestdale Comment
  JEPS127182  Erodium cicutarium Lowell Ahart, John Dittes 2016-7-14 21173 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
  UC68059  Erodium cicutarium Mrs. M. H. Manning 1903-3-29 61 Modoc near Fort Bidwell (ne Modoc Co.) Comment
  CHSC71845  Eryngium alismifolium Vernon H. Oswald; Lowell Ahart 1998-9-8 9599 Modoc Mosquito Lake on the north side of Whitehorse Flat Reservoir ca. 20 air mi north of McArthur. 1341 Comment
  CAS-BOT-BC21474  Eryngium articulatum Bruce Bartholomew; Barrett Anderson 1988-7-21 4406 Modoc 2.1 km SSE of Day on the road to state Highway 299. 1020 Comment
  UC21003  Eryngium articulatum M. S. Baker and Frank Nutting 1894-8-30 Modoc near Forestdale Comment
  RSA0089587  Eryngium mathiasiae Dean Wm. Taylor, Glenn L. Clifton 1988-8-11 10042 Modoc Near Lone Pine Lake. 1383 Comment
  UC1487310  Eryngium mathiasiae Gregg Riegel 1981-6-10 Modoc N of Canby (along Loveness Road around reservoir) 1524 Comment
  UC1487346  Eryngium mathiasiae Y. Sheikh and L. Constance 1973-6-27 551 Modoc 9.8 mi WNW of Canby; State Hwy 139; WWN of Canby, Modoc Co. Comment
  UC1191426  Erysimum repandum Herbert L. Mason 1947-7-10 13346 Modoc 2 mi e Alturas; Dorris Reservoir Comment
  CAS-BOT-BC229903  Erythranthe breweri Annie Montague Alexander; L. Kellogg 1946-7-1 4888 Modoc 0.5 mi. E of Bidwell Creek road summit. Comment
  CAS-BOT-BC229907  Erythranthe breweri Bruce Bartholomew 1991-7-7 6004 Modoc SE end of Sweargart Flat. 1820 Comment
  SEINET13768600 Image available Erythranthe guttata Francis W. Pennell 1940-1 25749 Modoc Warner Mountains, NE of Alturas, west of Cedar Pass. 1798 Comment
  CAS-BOT-BC234512  Erythranthe microphylla Bruce Bartholomew; Barrett Anderson 1989-6-3 4848 Modoc Cedar Pass, Warner Mountains. 1920 Comment
  CAS-BOT-BC234514  Erythranthe microphylla Bruce Bartholomew 1991-7-6 5985 Modoc Sand Flat on Loveness Logging Road. 1370 Comment
  CAS-BOT-BC234515  Erythranthe microphylla Bruce Bartholomew 1991-7-4 5921 Modoc Miller Flat. 1620 Comment
  CAS-BOT-BC234479  Erythranthe moniliformis Bruce Bartholomew 1989-8-12 5130 Modoc Deep Creek, E side of Warner Mountains. 1920 Comment
  SEINET13723899 Image available Erythranthe moschata Louise Kellogg, Annie M. Alexander 1946-1 4957 Modoc Eight Mile Creek, northeast corner of county. 1753 Comment
  CAS-BOT-BC234458  Erythranthe primuloides Bruce Bartholomew 1995-7-30 7067 Modoc NE side of Big Valley Mountains, W of Lookout Junction. 1310 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
  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-BC234433  Erythranthe suksdorfii Alice Eastwood; John Thomas Howell 1940-6-15 8276 Modoc Near Perez. Comment
  CAS-BOT-BC95717  Euphorbia serpillifolia Fred. P. Cronemiller 1920-9-14 17 Modoc Round Valley. 1432 Comment
  UCD142785  Euphorbia serpillifolia J. M. Tucker 1950-7-25 1966 Modoc 13.4 miles southeast of Tule Lake, on highway 139. Comment
  CAS-BOT-BC15165  Eurybia integrifolia Leland S. Smith 1918-7-15 998 Modoc Mill Creek Corral. 2087 Comment
  CAS-BOT-BC15166  Eurybia integrifolia Bruce Bartholomew 1989-8-12 5107 Modoc ca. 3.2 airline miles W of Patterson Ranger Station on road to Jess Valley. 2060 Comment
  CHSC106196  Euthamia occidentalis Lowell Ahart; John Dittes 2010-8-31 17102 Modoc On the east side of Elkins Lane, about 10 yards east 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
  CAS-BOT-BC247712  Festuca idahoensis Bruce Bartholomew; Barrett Anderson 1990-7-21 5579 Modoc Homestead Flat, ca. 2.5 km E of Patterson Ranger Station, E side of Warner Mts. 2160 Comment
  CAS-BOT-BC247714  Festuca idahoensis Alan Ackerman Beetle 1941-6-29 2833 Modoc Near summit of Mt. Adin. 1828 Comment
  UCD66088  Festuca idahoensis E. Wilson 1934-5-15 Modoc 20 miles West of Alturas. Comment
  UC1024776  Festuca occidentalis Leo Whitney 1934-5-29 2248 Modoc ca 15 mi nw Canby (near Hackamore); Modoc National Forest, Spauldings Butte 1463 Comment
  UCD66161  Festuca occidentalis L. Whitney 1935-6-9 3210 a Modoc White Horse. 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
  CAS-BOT-BC179185  Floerkea proserpinacoides C. L. Hitchcock 1940-5-27 6696 Modoc 15 mi. NE of Alturas. 1615 Comment
  CAS-BOT-BC179190  Floerkea proserpinacoides Roxana Stinchfield Ferris; R. Duthie 1919-6-14 128 Modoc Parker Creek. 2133 Comment
  JEPS27123  Floerkea proserpinacoides Lauramay T. Dempster 1961-6-18 1685 Modoc just s of Cedar Pass Comment
  NY1101590  Floerkea proserpinacoides B. M. Bartholomew 1992-5-16 6323 Modoc Lunsford Spring 1600 Comment
  CAS-BOT-BC214652  Fragaria virginiana Leland S. Smith 1920-7-13 1179 Modoc Crowder Flat. 1402 Comment
  UC1714500  Fragaria virginiana subsp. platypetala Milo S. Baker 1893-6-15 Modoc Forestdale <locality from pencil note on sheet> Forestdale Comment
  POM76594  Frasera albicaulis var. modocensis Mrs. R. M. Austin 1894-07 517 Modoc Goose Lake Valley Comment
  RSA149082  Frasera albicaulis var. modocensis I. L. Wiggins, Dorothy Wiggins 1961-6-15 16499 Modoc Junction of gravel road to Tieneste and Glass Mountain with Hwy. 139, 28 miles W of Canby. Comment
  CAS-BOT-BC242103  Fritillaria atropurpurea Leland S. Smith 1919-6-18 1130 Modoc Mill Creek. 2133 Comment
  UC3662  Fritillaria pudica Mrs. R. M. Austin May, 1894 Modoc Goose Lake Valley; Northern California, Goose Lake Valley Comment
  CAS-BOT-BC242098  Fritillaria pudica Fred D. Douthitt 1916-4-20 1 Modoc Upper end of Flournoy Swale. 1371 Comment
  RSA486788  Fritillaria pudica Bruce Bartholomew, B. Anderson 1988-5-13 4162 Modoc 4 km northwest of Pepperdine, gentle west-facing slope near top of the Warner Mountains 1760 Comment
  CAS-BOT-BC179875  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
  SD46729  Galium aparine Robert J. Weatherby 1955-7-8 1623 Modoc 6 miles north of Ft. Bidwell, northern Warner Mts., canyon side 1737 Comment
  UC416628  Galium aparine W. P. Taylor and H. C. Bryant 1910-6-26 Modoc Parker Creek Warner Mountains 1676 Comment
  POM367842  Galium asperrimum Christopher Davidson 1975-6-4 s.n. Modoc 2.5. miles W of Cedarville on Hwy 299. 1677 Comment
  SD70497  Galium glabrescens subsp. modocense F. Ehrendorfer, G. L. Stebbins 1959-6-28 5909 Modoc Warner Mountains. Horse Mountain, near the top 2591 Comment
  SBBG18758  Galium serpenticum C. B. Hardham 1961-6-20 7865 Modoc mouth of Pine Crk Cyn 1554 Comment
  NY999473  Gayophytum decipiens J. T. Howell 1934-6-14 12125 Modoc Near Lost Lake, Warner Mountains 2438 Comment
  RSA101495  Gayophytum decipiens R. Weatherby 1955-7-8 1609 -B Modoc 7 miles north of Ft. Bidwell, northern Warner Mts. 1875 Comment
  POM204135  Gayophytum decipiens J. T. Howell 1934-6-14 12125 Modoc Near Lost Lake, Warner Mts. 2439 Comment
  CAS-BOT-BC190845  Gayophytum diffusum subsp. diffusum Robert J. Weatherby 1955-7-8 1609 Modoc 7 mi. N of Fort Bidwell. 1874 Comment
  CAS-BOT-BC190837  Gayophytum diffusum subsp. parviflorum Bruce Bartholomew 1991-7-6 5966 Modoc 2.4 km W of County Road 91 Forest Service road 42N03. 1340 Comment
  CAS-BOT-BC190842  Gayophytum diffusum subsp. parviflorum Leland S. Smith 1922-7-20 1295 Modoc Rush Creek Ranger Station pasture. 1905 Comment
  CAS-BOT-BC190844  Gayophytum diffusum subsp. parviflorum Bruce Bartholomew 1991-8-5 6025 Modoc Summit Trail between Pepperdine and Squaw Peak, W side of Warner Mts. 2190 Comment
  CAS-BOT-BC190851  Gayophytum diffusum subsp. parviflorum Bruce Bartholomew; Barrett Anderson 1988-7-22 4493 Modoc Vicinity of East Creak Trailhead, southern end of the Warner Mts. 2210 Comment
  RSA31283A  Gayophytum diffusum subsp. parviflorum Frances D. Payne 1934-8-29 s.n. Modoc Parker Creek 1585 Comment
  UCR77777  Gayophytum diffusum subsp. parviflorum B. Bartholomew 1991-7-6 5966 Modoc 2.4 km west of County Road 91 [on?] Forest Service Road 42N03 1340 Comment
  RSA504829  Gayophytum heterozygum Bruce Bartholomew, B. Anderson 1988-7-21 4402 Modoc 2.1 km SSE of Day on the road to state Highway 299 1020 Comment
  CAS-BOT-BC190833  Gayophytum humile Bruce Bartholomew 1991-7-4 5889 Modoc S end of Higgins Flat. 1370 Comment
  CAS-BOT-BC190824  Gayophytum ramosissimum Bruce Bartholomew; Barrett Anderson 1989-6-3 4873 Modoc Boles Creek, ca. 5.5 km E of the SE corner of Clear Lake Reservoir. 1430 Comment
  UC71845  Gayophytum ramosissimum Mrs. M. H. Manning 1902-7 236 Modoc near Ft. Bidwell (ne Modoc Co.) Comment
  CAS-BOT-BC190822  Gayophytum ramosissimum Elmer Ivan Applegate 1936-5-22 10354 Modoc Lower part of Lyon Road, Lava Beds National Monument. Comment
  UC444850  Gentiana affinis var. ovata Mrs. M. H. Manning Modoc north-eastern Modoc County Comment
  CAS-BOT-BC180116  Gentiana calycosa R. M. Austin 1894-9-1 1894 Modoc Lassen Creek. Comment
  CAS-BOT-BC180058  Geranium viscosissimum Annie Montague Alexander; L. Kellogg 1946-7-3 4901 Modoc Bidwell Creek Canyon, 5 mi. W of Fort Bidwell. Comment
  CAS-BOT-BC180061  Geranium viscosissimum Bruce Bartholomew 1990-6-16 5268 Modoc W side of Pine Creek Basin, Warner Mountains. 2200 Comment
  CAS-BOT-BC180068  Geranium viscosissimum Roxana Stinchfield Ferris; R. Duthie 1919-6-14 114 Modoc Parker Creek. Comment
  CAS-BOT-BC180079  Geranium viscosissimum Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10544 Modoc Patterson Ranger Station (East Creek drainage). 2164 Comment
  HSC8659  Geranium viscosissimum M. T. Milligan 1965-6-26 336 Modoc N end Jess Valley. 1616 Comment
  RSA0029589  Geranium viscosissimum var. nervosum F. W. Peirson 1926-6-25 6864 Modoc Cedarville Road, west slope of Warner Mts. Comment
  CAS-BOT-BC214654  Geum macrophyllum Elmer Ivan Applegate 1932-8-2 8094 Modoc Mill Creek Meadows, W slope of Warner Mts. Comment
  CAS-BOT-BC214665  Geum triflorum Elmer Ivan Applegate 1932-7-9 7594 Modoc N slope of Bidwell Mountain, Warner Mts. Comment
  CAS-BOT-BC214673  Geum triflorum John Thomas Howell 1934-7-3 12378 Modoc 5 mi. S of Hackamore. Comment
  CHSC70478  Geum triflorum A. Sanger 1997-5-20 2468 Modoc In uplands of first meadow along Rd. 42N21 south of Loveness Logging Rd. 1524 Comment
  UC1536916  Geum triflorum Gordon H. True Jr. 1938-5-25 916 Modoc Adin Summit 1524 Comment
  CHSC118310  Geum triflorum var. ciliatum L. P. Janeway 2016-5-18 12076 Modoc Modoc Plateau. Devils Garden area; Island Meadow, along Road 47N08 2.1 road-km north of Road 73/181/47N09 1606 Comment
  SEINET191593  Gilia Marion Ownbey, Fred G. Meyer 1940-7-1 2146 Modoc West slope of Cedar Peak, Wartner Mts. 1570 Comment
  CAS-BOT-BC190691  Gilia leptalea subsp. leptalea Bruce Bartholomew 1995-7-30 7040 Modoc 3.0 km E of Day on County Road 94. 1050 Comment
  RSA534555  Gilia modocensis Bruce Bartholomew 1991-5-25 5764 Modoc 8 km E of Likely on road to Jess Valley, N side of road along N side of S Fork of Pit River. 1460 Comment
  RSA603007  Glyceria borealis L. C. Wheeler 1935-10-5 4021 Modoc N Fork Pit River at Parker Creek. 1372 Comment
  SBBG21241  Glyceria elata B. Crampton 1954-7-8 Modoc 15 mi E of Likely, Jess Valley 1676 Comment
  UCD32732  Glyceria elata Beecher Crampton 1954-7-8 2176 Modoc Warner Mountains, 15 miles east of Likely, along road to Jess Valley. 1676 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
  CAS-BOT-BC49537  Gnaphalium palustre Bruce Bartholomew 1994-10-8 6877 Modoc 1.8 km S of Lookout - Adin Road on County Road 87A. 1260 Comment
  CHSC106174  Gnaphalium palustre Lowell Ahart; John Dittes 2010-8-30 17075 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
  HSC65392  Gnaphalium palustre Thomas Wood 1979-8-8 223 Modoc About 1.2 mi. S and then shortly W of Ft. Bidwell, along Hwy. 1 1372 Comment
  UC1192120  Gnaphalium palustre Herbert L. Mason and Verne Grant 1947-7-12 13425 Modoc s of Alturas (along rr tracks); Pit River Valley Comment
  CAS-BOT-BC49530  Gnaphalium palustre E. S. Willits 1939-10-10 163 Modoc unspecified Comment
  UCD77745  Gratiola heterosepala Robert E. Preston 2000-7-18 1418 Modoc Ca. 11 mi nw of Canby, 1,000 ft n of Hwy 139, T42N R8E se 1/4 of ne 1/4 Section 3 1487 Comment
  JEPS21901  Gratiola neglecta Verne Grant and Irving Schneider 1947-7-18 8038 Modoc Eastside Canal s Alturas (5 mi n of Bayley's bridge); Eastside Canal Comment
  POM312577  Gratiola neglecta H. L. Mason, Verne Grant 1947-7-12 13393 Modoc Irrigation ditch by Jones' Lane, off Hwy 395, several miles S of Alturas. Comment
  UC1051570  Gratiola neglecta Verne E. Grant and Irving Schneider 1947-7-20 8094 Modoc s loop of Westside Road n Likely (Pitt Valley); Pitt Valley Comment
  UC1191880  Gratiola neglecta Verne Grant and Irving Schneider 1947-7-20 8094 Modoc n Likely (Pitt Valley; s loop of westside road); Pitt Valley Comment
  CAS-BOT-BC49538  Grindelia hirsutula Annie M. Alexander; L. Kellogg 1946-6-17 4998 Modoc Cedar Pass Road, along road to Alturas and north to Davis Creek, Warner Mountains Comment
  UC76029  Grindelia hirsutula Milo S. Baker 1898-1 Modoc Forestdale Comment
  CHSC112840  Grindelia nana Lowell Ahart; John Dittes 2013-7-25 18963 Modoc 30 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
  CHSC85168  Grindelia nana John Dittes; Josephine Guardino 1991-8-23 448 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
  UC1523803  Hackelia californica Lisa Janio 1981-7-13 55 Modoc near Bear Spring 1524 Comment
  CAS-BOT-BC54089  Hackelia cusickii L. Mott 1976-5-29 14 LM76 Modoc Devils Garden, N of Alturas. 1402 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
  UC604461  Hackelia cusickii G. L. Stebbins Jr. 1936-6-9 1818 Modoc e end of Bonner Grade (near Cedarville) Comment
  POM260415  Hackelia micrantha C. L. Hitchcock 1940-5-27 6691 Modoc 15 miles NE of Alturas. 1616 Comment
  HSC5799  Helianthella californica subsp. nevadensis M. S. Baker 1893-1 Modoc Forestdale Comment
  SEINET11841732  Helianthella californica var. nevadensis A. Seneres, Harold, N. 1983-1 109 Modoc southern section of Warner Mountains Comment
  JEPS5938  Helianthus cusickii Frances D. Payne 1932-6-27 617 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  RSA92483  Helianthus cusickii F. W. Peirson 1926-6-26 6902 Modoc between Alturas and Canby Comment
  SDSU4542  Helianthus nuttallii D. F. Howe 1966-8-26 4303 Modoc Modoc-Lassen Co. line east of Warner Mts. 1341 Comment
  UC1037247  Heliotropium curassavicum Leo Whitney 1935-7-24 3578 Modoc ca. 15 mi. n.w. Canby (Hackamore, R.R. tracks); Modoc Nat'l Forest, Hackamore 1463 Comment
  UC650533  Hemizonella minima Elmer I. Applegate 1936-5-18 10319 Modoc Bear Paw Cave Lava Beds National Monument Comment
  CAS-BOT-BC21462  Heracleum lanatum Bruce Bartholomew 1995-7-31 7126 Modoc 6.3 km from Forest Service road 46N30 on Forest Service road 45N34, W side of Warner Mountains. 1920 Comment
  UC71556  Heracleum lanatum Mrs. M. H. Manning 1903-1 195 Modoc creeks near Fort Bidwell; n.e. Modoc Co. Comment
  HSC80787  Heracleum maximum G. M. Riegel 1980-7-28 958 Modoc S Warner Mtns. 2100 Comment
  CHSC106329  Herniaria hirsuta subsp. hirsuta Lowell Ahart; John Dittes 2010-8-31 17110 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
  CAS-BOT-BC180045  Hesperochiron californicus L. A. M. Black 1894-4-1 109 Modoc Davis Creek. Comment
  JEPS1677  Hesperochiron californicus L. S. Smith c. 1918 809 Modoc Warner Mts., 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
  SEINET3156116  Hesperochiron pumilus E. K. Balls 1950-5-17 14739 Modoc Howard's Gulch Public Camp, off Hwy. 139, NW of Canby. 1433 Comment
  CAS-BOT-BC179172  Hesperolinon micranthum B. Bartholomew; Barrett Anderson 1988-7-21 4404 Modoc 2.1 km SSE of Day on the road to state Highway 299. 1020 Comment
  CAS-BOT-BC179174  Hesperolinon micranthum Herbert L. Mason 1946-7-13 13448 Modoc W end of Fandango Pass, near Goose Lake. Comment
  CAS-BOT-BC179175  Hesperolinon micranthum Herbert L. Mason 1946-7-13 13448 Modoc W end of Fandango Pass, near Goose Lake. 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
  CAS-BOT-BC179184  Hesperolinon micranthum John Thomas Howell 1934-6-30 12258 Modoc Duncan Horse Camp. 1355 Comment
  CAS-BOT-BC95147  Heterocodon rariflorum R. M. Austin 1894-8-1 Modoc Davis Creek. Comment
  UC54112  Heterotheca villosa var. minor H. M. Hall and E. B. Babcock 1903-6-21 4237 Modoc Lava Beds Sierra Nevada Mountains (sw Modoc County) 1219 Comment
  CAS-BOT-BC225797  Heuchera cylindrica Gary Schoolcraft; et al 1988-7-16 1837 Modoc Upper slopes of Squaw Peak, Warner Mts. 2621 Comment
  NY541342  Heuchera cylindrica B. M. Bartholomew 1990-7-20 5493 Modoc 10.3 km north of Buck Creek Ranger Station, crest of Warner Mountains, west side of Warner Mountains 2130 Comment
  NY541343  Heuchera cylindrica B. M. Bartholomew 1995-8-1 7161 Modoc Bidwell Mountain, east side of the Warner Mountains 2150 Comment
  RSA0062919  Heuchera cylindrica var. alpina Elmer I. Applegate 1932-8-3 8124 Modoc Arid summit of Warner Mtns, north of Eagle Peak. Comment
  RSA0062922  Heuchera cylindrica var. alpina R. Weatherby 1955-7-8 1629 Modoc 6 miles N of Ft. Bidwell. No. Warner Mtns. 1646 Comment
  UC32777  Hieracium albiflorum Milo S. Baker 1893-7-6 Modoc Comment
  UC565557  Hieracium albiflorum F. H. Frost 1925-7-24 Modoc Clear Lake Warner Mts. 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
  CAS-BOT-BC180051  Hippuris vulgaris John Thomas Howell 1934-7-2 12353 Modoc Nigger Ben Spring, SE end of Clear Lake. Comment
  CHSC109498  Holodiscus discolor var. glabrescens L. P. Janeway; B. Castro 2012-7-26 11013 Modoc Warner Mountains. Top of Yellow Mountain; topmost part and wster edge (at the edge of a steep dropoff to the northwest). 2463 Comment
  SEINET191602  Holodiscus discolor var. glabrescens Marion Ownbey, Fred G. Meyer 1940-7-1 2155 Modoc Cedar Peak, Warner Mts. Comment
  CAS-BOT-BC214687  Holodiscus microphyllus var. glabrescens Elmer Ivan Applegate 1932-7-9 7612 Modoc Bidwell Mt., Warner Mts. Comment
  CAS-BOT-BC497301  Holosteum umbellatum B. Bartholomew 1994-7-2 678 1 Modoc 5.0 km SE of Joseph Creek Basin on the W side of the Warner Mountains 1930 Comment
  CHSC85125  Holosteum umbellatum John Dittes; Josephine Guardino 1991-6-1 362 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-BC95209  Holosteum umbellatum subsp. umbellatum Bruce Bartholomew 1994-5-28 6711 Modoc 8.5 km E of Likely on road to Jess Valley along the S Fork of the Pit River. 1620 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
  POM313215  Hordeum jubatum H. L. Mason 1947-8-9 13478 Modoc East side of Fairchild Swamp, north of Alturas Comment
  UC1100320  Hordeum jubatum Herbert L. Mason 1947-8-9 13478 Modoc n Alturas; e side Fairchild Swamp Comment
  UCD85907  Hordeum marinum subsp. gussoneanum L. Whitney 1935-7-6 s.n. Modoc Pit River. Stone Coal Valley. Comment
  CDA2196  Hordeum marinum subsp. gussoneanum Loring White 1953-3-11 Modoc 0 Comment
  CAS-BOT-BC214707  Horkelia fusca Bruce Bartholomew 1991-7-6 5973 Modoc Curtis Waterhole and adjacent lava outcrops. 1310 Comment
  CAS-BOT-BC181963  Hosackia crassifolia Milo Samuel Baker 1893-7-1 s.n. Modoc Modoc County. Comment
  CAS-BOT-BC179327  Hydrophyllum capitatum var. alpinum Bruce Bartholomew; Barrett Anderson 1989-4-27 4634 Modoc Ryan Canyon, 6.0 km NW of Adin on road to Dutch Flat. 1370 Comment
  CAS-BOT-BC179332  Hydrophyllum capitatum var. alpinum Bruce Bartholomew; Barrett Anderson 1989-4-29 4688 Modoc Surprise Valley Road, just S of the Oregon border, extreme NE corner of Modoc County. 1630 Comment
  CAS-BOT-BC179334  Hydrophyllum capitatum var. alpinum K. Paulson; Robert Paulson 1989-6-14 127 Modoc Ca. 1.5 mi. NE of Cedar Pass, Warner Mts. 1905 Comment
  CAS-BOT-BC179335  Hydrophyllum capitatum var. alpinum F. Angwin 1946-4-26 Modoc Plateau region, 2 mi. NW of Adin. 1280 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
  CAS-BOT-BC180024  Hydrophyllum capitatum var. alpinum Roxana Stinchfield Ferris; R. Duthie 1919-6-14 80 Modoc Parker Creek. Comment
  CAS-BOT-BC180025  Hydrophyllum capitatum var. alpinum Bruce Bartholomew; M; M. Gilbert; L. E. Skog 1993-5-10 6433 Modoc 5 km NE of Davis Creek on road to Plum Valley Campground. 1700 Comment
  CAS-BOT-BC248351  Hydrophyllum capitatum var. alpinum B. Bartholomew; H. Sun 2002-6-24 8834 Modoc Ca. 1 km NW of Bald Mt., E side of the Warner Mountains 2290 Comment
  RSA77052  Hydrophyllum capitatum var. alpinum F. W. Peirson 1926-6-25 6875 Modoc small side canyon on Cedarville road 1 mile W of summit of Warner Mts. Comment
  UC107176  Hydrophyllum capitatum var. alpinum Mrs. R. M. Austin May 1894 Modoc Goose Lake Valley Comment
  UC24085  Hydrophyllum capitatum var. alpinum Mrs. R. M. Austin May 1894 Modoc Davis Creek Comment
  POM260002  Hydrophyllum capitatum var. alpinum C. L. Hitchcock 1940-5-27 6682 Modoc 15 miles northeast of Alturas. 1616 Comment
  SEINET5506832  Hydrophyllum capitatum var. alpinum M. J. Williams 1968-6-1 1151 Modoc Cedar Pass Comment
  CHSC109485  Hymenoxys hoopesii L. P. Janeway; B. Castro 2012-7-25 10978 Modoc Warner Mountains. Slope along north side of Dismal Swamp. 2216 Comment
  CAS-BOT-BC179906  Hypericum anagalloides Bruce Bartholomew 1989-8-11 5055 Modoc Along W side of Goose Lake, 12.4 km N of McGinty Point on National Forest Road 48. 1430 Comment
  UC19047  Hypericum formosum var. scouleri Mrs. R. M. Austin 1894-1 Modoc Davis Creek Comment
  UC69287  Hypericum formosum var. scouleri Mrs. M. H. Manning 1903-7 204 Modoc near Fort Bidwell; n.e. Modoc co. Comment
  CAS-BOT-BC49489  Hypochaeris glabra Bruce Bartholomew 1993-6-13 6645 Modoc Vicinity of hot spring, ca. 0.6 km NE of Leonard Hot Spring, E side of Surprise Valley. 1430 Comment
  CHSC516  Idahoa scapigera J. Wakeman 1963-5-11 Modoc Big Valley, along vernal pools. 1158 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
  CAS-BOT-BC179102  Iliamna bakeri Edward Kent Balls; Percy C. Everett 1952-10-11 20958 Modoc 0.2 mi. SE of crest of Fandango Pass. 1859 Comment
  CAS-BOT-BC179104  Iliamna bakeri Dean William Taylor 1988-8-11 10044 Modoc Damon's Butte (ca. 2 mi W of Hwy 139) in summit crater of butte. 1466 Comment
  CAS-BOT-BC179105  Iliamna bakeri Leland S. Smith 1922-7-25 1310 Modoc Grouse Mt. 1981 Comment
  UC23328  Ipomopsis aggregata Milo S. Baker 1893-7-12 Modoc Comment
  RSA59532  Iris missouriensis E. K. Balls 1950-5-20 14806 Modoc 2.1 miles above S Fork Public Camp, aldong S Fork Pit River to Jess Valley 1463 Comment
  CAS-BOT-BC58406  Isatis tinctoria Margaret J. Williams 1984-6-29 84- 73 -1 Modoc Fandango Pass road, 0.8 mi. E of Hwy 395. 1463 Comment
  CAS-BOT-BC30188  Isoetes bolanderi Annie Montague Alexander; L. Kellogg 1948-9-21 5624 Modoc 1 mi. SW top of grade between New Pine Creek and Fort Bidwell. 2286 Comment
  RSA639343  Isoetes howellii L. C. Wheeler 1935-8-3 3757 Modoc Warner Mountains: Rock Lake, Pine Creek 1920 Comment
  HSC5875  Iva axillaris M. T. Milligan 1964-8-8 213 Modoc Corner of East D and 8th Street, Alturas 1372 Comment
  CHSC106337  Iva axillaris subsp. robustior Lowell Ahart; John Dittes 2010-8-30 17085 Modoc About 20 yards north of the 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
  RSA537662  Ivesia baileyi var. beneolens D. W. Taylor 1990-6-25 11164 Modoc Cedar Pass, northerly slopes of Peak 7298. 2149 Comment
  CAS-BOT-BC214721  Ivesia gordonii Gary Schoolcraft 1988-7-16 1833 Modoc E slope of Squaw Peak. Warner Mtns. 2560 Comment
  UC748065  Ivesia gordonii Annie M. Alexander and Louise Kellogg 1946-8-9 5140 Modoc Patterson Lake Trail; Warner Mountains Comment
  UC1100954  Juncus balticus Herbert L. Mason 1947-8-15 13546 Modoc e side Goose Lake (on Willow Ranch); , Mouth of Crane Creek Comment
  CHSC112980  Juncus bufonius var. bufonius Lowell Ahart; John Dittes 2013-7-24 18928 Modoc Edge of a man made pond, about 50 yards south of the levee road, 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
  JEPS121224  Juncus bufonius var. congestus Lowell Ahart, John Dittes 2013-7-24 18929 Modoc About 50 yards S of the levee road, N side of Ash Creek Floodplain, 0.54 air miles SE of Pilot Butte parking area, 1.1 air miles S of County Road 87, 6.8 air miles W of Adin, Big Valley. Comment
  CHSC31497  Juncus ensifolius N. E. H. Prouty 1980-8-6 213 Modoc Modoc Nat. Forest. Meadow on southern bank of North Fork Pine Creek. 1524 Comment
  CAS-BOT-BC245060  Juncus hemiendytus var. abjectus Arnold Tiehm 1984-6-30 8834 Modoc NW side of Bidwell Mt., 2.2 road mi. N of 8 Mile Creek on road from Lake Annie. 1844 Comment
  CAS-BOT-BC245050  Juncus hemiendytus var. hemiendytus Bruce Bartholomew 1993-6-12 6600 Modoc Tom Large Flat, W of Egg Lake. 1260 Comment
  HSC14092  Juncus nevadensis M. T. Milligan 1965-6-23 310 Modoc N end Jess Valley 1616 Comment
  JEPS74118  Juncus nevadensis L. S. Smith 1917-7-24 110 Modoc Joseph Creek Warner Mts. 1981 Comment
  UC1601789  Juncus nevadensis Baker and Nutting 1894-7-12 Modoc Dixie Valley Comment
  CHSC100395  Juncus trilocularis Lowell Ahart; John Dittes 2008-8-26 15350 Modoc On the bottom 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
  SEINET4856379  Juncus trilocularis Louis C. Wheeler 1935-9-23 4001 Modoc Modoc NF: Pease Flat; Devil's Garden. 1524 Comment
  SDSU1822  Juniperus californica L. N. Harvey 1930-9-24 Modoc Comment
  CAS-BOT-BC81194  Juniperus occidentalis Elmer I. Applegate 1929-7-29 6083 Modoc Clear Lake 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
  UC1280914  Juniperus occidentalis H. E. McMinn 1941-8-30 5407 Modoc 13 mi s Alturas Comment
  CAS-BOT-BC81207  Juniperus occidentalis P. Monnet 1913-1 s.n. (or 893 B) Modoc Warner's Range 2133 Comment
  RSA0039543  Juniperus occidentalis var. occidentalis Lowell A. Ahart, John Dittes 2008-8-26 15358 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
  RSA59343  Juniperus occidentalis var. occidentalis E. K. Balls 1950-5-12 14634 Modoc Above Bucks Creek Ranger Station, Modoc National Forest, E of Goose Lake. 1738 Comment
  CAS-BOT-BC95671  Kalmia polifolia Annie Montague Alexander; L. Kellogg 1946-6-27 4852 Modoc Highgrade, 2 mi from Dismal Swamp. 2377 Comment
  CAS-BOT-BC225096  Kelloggia galioides Leland S. Smith 1409 Modoc Modoc County. Comment
  CAS-BOT-BC225099  Kelloggia galioides K. Paulson 1978-6-24 s.n. Modoc Egg Lake. Comment
  RSA17717  Kelloggia galioides Elmer I. Applegate 1932-7-31 7986 Modoc Mill Creek Meadows. Warner Mtns. Comment
  NY539717  Kochia americana B. M. Bartholomew 1989-6-2 4832 Modoc 6.4 km east of Eagleville on the road to the California state border, east side of Surprise Valley 1550 Comment
  HSC80845  Koeleria macrantha G. M. Riegel 1979-7-31 636 Modoc S Warner Mtns. 1829 Comment
  POM113363  Koeleria macrantha Mrs. R. M. Austin 1895-07 494 Modoc Goose Lake Valley. Comment
  UC60745  Koeleria macrantha M. S. Baker and Frank Nutting 1894-6-29 Modoc Big Valley Comment
  UCD85732  Koeleria macrantha Beecher Crampton; Carl Rimbey 1954-7-8 2182 Modoc west slope of Jess Valley, Warner Mountains, 15 miles east of Likely. Comment
  UCD85784  Koeleria macrantha Beecher Crampton 1960-6-17 5694 Modoc McKay Flat, 13 miles west of Canby, 2.5 miles N.E. Happy Camp Station. 1280 Comment
  UCD85812  Koeleria macrantha August L. Hormay 1932-7-14 s.n. Modoc D.D. plot site. Comment
  JEPS121203  Lactuca serriola Lowell Ahart, John Dittes 2013-7-25 18947 Modoc 30 yards N of the E-W fence, south edge of Ash Creek Floodplain, NE of Patterson Homestead, E of Elkins Lane, 1.0 air miles S of County Road 87, 3.14 air miles W of Adin, Big Valley. Comment
  UC1964693  Lactuca tatarica subsp. pulchella Mrs. R. M. Austin 1894-1 236 Modoc Goose Lake Valley. Sequoia Mills Comment
  JEPS6030  Lagophylla ramosissima Frances D. Payne 1931-6-18 192 Modoc s and e of Alturas Parker Creek; Warner Mountains 1584 Comment
  SEINET8258712  Lagophylla ramosissima Richard R. Halse 2006-8-3 6989 Modoc Along Jess Valley Road ca. 4 miles east of Likely, just past bridge over the Pit River. 1387 Comment
  CAS-BOT-BC179874  Lamium amplexicaule Leland S. Smith 1919-5-7 1093 Modoc Jess Valley-Clarke Ranch. 1676 Comment
  POM72855  Lappula occidentalis var. occidentalis Mrs. R. M. Austin 1895-07 541 Modoc Goose Lake Valley. Comment
  CAS-BOT-BC54065  Lappula redowskii C. C. (Mrs.) Bruce 1894-9-1 34 Modoc Davis Creek. Comment
  CAS-BOT-BC181982  Lathyrus brownii Roxana Stinchfield Ferris; R. Duthie 1919-6-13 124 Modoc Above Parker Creek, Warner Mts. 2133 Comment
  CAS-BOT-BC181984  Lathyrus brownii Bruce Bartholomew; Mona Bourell 1990-4-26 5151 Modoc 0.5 km S of Day. 1100 Comment
  RSA531339  Lathyrus brownii Bruce Bartholomew, M. Bourell 1990-4-27 5168 Modoc NW side of Rice Flat, 2km S of Adin Pass. 1540 Comment
  SEINET10936979  Lathyrus nevadensis Billy Joe Cox, David B. Dunn 1971-6-3 Cox 2616 Modoc 4 mi s of davis creek on us hwy 395; in very mesic grassladn sedge meadow; Lupines very sparse and approximately a week or more behind th eflowering of Those near alturas. 1402 Comment
  CAS-BOT-BC181975  Lathyrus rigidus L. A. M. Black 1893-6-1 80 Modoc Davis Creek. Comment
  UC748301  Lathyrus rigidus Annie M. Alexander and Louise Kellogg 1946-6-14 4768 Modoc Silver Creek branch of Patterson Mill road Silver Creek 1828 Comment
  JEPS11927  Layia glandulosa L. S. Smith Jul 20 1920-Jul 31 1920 1195 Modoc Mill Creek Southern Warner Mountains, Mill Creek 2133 Comment
  POM260869  Layia glandulosa subsp. glandulosa Alice Eastwood, J. T. Howell 1940-6-14 8247 Modoc Between Mammoth Cave and Lava Beds National Monument. Comment
  POM30572  Layia glandulosa subsp. glandulosa Mrs. R. M. Austin 1895-08 536 Modoc Alturas Comment
  POM77416  Ledum glandulosum Mrs. R. M. Austin 1895-07 304 Modoc Tamaracks Comment
  POM312463  Lemna trisulca H. L. Mason, Verne Grant 1947-7-12 13432 Modoc Corporation Ranch Headquarters, north of Likely. Comment
  UCD138196  Lemna trisulca Verne Grant; Irving Schneider 1947-7-19 8065 Modoc Corporation ranch; south of south loop road, south of Alturas. Comment
  JEPS117373  Lepidium campestre Lowell Ahart, John Dittes 2010-8-30 17079 Modoc On the north side of a wash, about 150 yards east 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
  CHSC100224  Lepidium dictyotum var. acutidens John Dittes; Josephine Guardino 1991-6-1 369 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, at southeast base of Pilot Butte. 1258 Comment
  CAS-BOT-BC58302  Lepidium perfoliatum Bruce Bartholomew; Barrett Anderson 1988-6-25 4382 Modoc SW side of Jess Valley, Warner Mts.. 1540 Comment
  CAS-BOT-BC58347  Lepidium perfoliatum F. Angwin 1945-10-7 Modoc Big Valley near Adin. 1280 Comment
  HSC6833  Lepidium perfoliatum M. T. Milligan 1964-6-4 22 Modoc East D St. between 4th and 5th St., Alturas 1372 Comment
  POM229970  Leptosiphon harknessii L. C. Wheeler 1935-8-16 3868 Modoc Dismal Swamp, Twenty Mile Creek. Warner Mountains. Mt. Diablo Mer. 2226 Comment
  RSA101370  Leptosiphon harknessii R. Weatherby 1955-7-8 1612 Modoc Northern Warner Mountains: 7 miles north of Ft. Bidwell 1875 Comment
  RSA601530  Leptosiphon harknessii L. C. Wheeler 1935-8-16 3868 Modoc Dismal Swamp, Twenty Mile Creek. Warner Mountains. Mt. Diablo Mer. 2226 Comment
  RSA504674  Leptosiphon nuttallii Bruce Bartholomew, B. Anderson 1988-6-24 4295 Modoc Road beyond Poison Lake, ca. 8 km S of the road from Hwy 395 to Lily Lake, Warner Mountains. 2130 Comment
  CHSC70483  Leucocrinum montanum A. Sanger 1994-5-10 2454 Modoc Just E on Hwy. 299 past Hwy 395, top steep cutbank. 1389 Comment
  UC1134622  Leucocrinum montanum R. C. Wilson 1933-5-23 26 Modoc Pothole Gulch; Modoc National Forest, Canby Quad. 1341 Comment
  UC13773  Leucocrinum montanum Milo S. Baker c. 1893 Modoc Modoc or Lassen County Comment
  UC7804  Lewisia nevadensis Milo S. Baker 1893-6-15 Modoc 1371 Comment
  CAS-BOT-BC197492  Lewisia rediviva K. Paulson; Robert Paulson 1989-5-21 124 Modoc Steele Swamp Road, Devil's Garden. 1371 Comment
  CAS-BOT-BC197494  Lewisia rediviva Isabelo T. Kelly 1930-1-1 16 Modoc Fort Bidwell. Comment
  UC1031363  Lewisia rediviva R. C. Wilson 1933-6-11 46 Modoc Rush Creek Camp Modoc National Forest, Alturas Quadrangle Comment
  UC536798  Leymus cinereus Frances Payne 781 Modoc Warner Mts. Comment
  UCD64232  Leymus cinereus Beecher Crampton; Carl Rimbey 1954-7-8 2177 Modoc Jess Valley, Warner Mountains, 15 mi. east of Likely. Comment
  JEPS73998  Leymus triticoides Frances D. Payne 1932-7-18 706 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  UC1024935  Leymus triticoides Leo Whitney 1935-7-1 3341 Modoc 17 mi nw Canby; Badger Wells Comment
  UC1025018  Leymus triticoides Leo Whitney 1935-7-12 3498 Modoc 10 mi w Canby; Cottonwood Flat Comment
  CHSC40543  Lilium pardalinum subsp. pardalinum J. D. Jokerst 1983-6-12 1840 Modoc Small creek that flows through the Upper Rush Cr. Campground ca 100 meters upstream from the camp. Ca 8 miles north of Aden. Comment
  UC1101422  Limosella acaulis Herbert L. Mason 1947-8-12 13504 Modoc Junction of North and South Forks of Pit River Alturas (Alturas); Junction of North and South Forks of Pit River Comment
  POM228990  Limosella aquatica Louis C. Wheeler 1935-8-14 3856 Modoc Cave Lake, Pine Creek, Warner Mtns. (Mt Diablo Mer.) 2073 Comment
  POM229194  Limosella aquatica Louis C. Wheeler 1935-9-1 3934 Modoc Pine Spring, Devil's Garden. 1524 Comment
  UCR131614  Limosella aquatica L. C. Wheeler 1935-8-14 3856 Modoc Warner Mtns., Cave Lake, Pine Creek 2073 Comment
  NY1012638  Linanthus harknessii A. Tiehm 1984-6-30 8842 Modoc Northwest side of Bidwell Mountain, 2.8 road miles north of 8 mile creek on the road from Lake Annie 1828.8 Comment
  UC526130  Linanthus harknessii John Thomas Howell 1934-6-12 12031 Modoc Plum Valley Warner Mts. Comment
  UC2043247  Linaria dalmatica Barbara Ertter 1995-7-1 14458 Modoc Highway 395 south of New Pine Creek on Oregon border, at junction of County Road 44. Comment
  CDA6366  Linaria vulgaris T. C. Fuller 1960-7-27 4876 Modoc Lassen Creek, near Sugar Hill Planting. 0 Comment
  CAS-BOT-BC179153  Linum lewisii M. M. Hanna 1956-6-4 955 Modoc Cedar Pass. Comment
  CAS-BOT-BC179163  Linum lewisii Frances D. Payne 1929-6-18 9 Modoc Parker Creek. Comment
  CAS-BOT-BC179167  Linum lewisii Leland S. Smith 1917-7-24 123 Modoc Joseph Creek. 1828 Comment
  HSC15814  Linum lewisii M. T. Milligan 1964-6-17 39 Modoc 1 mi. N of Hwy. 139 on FS Rd. 44N15 1524 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
  CHSC42158  Lithophragma glabrum C. E. Laver 1986-3-26 Modoc Ca. 22.5 mi ne of Alturas and 1 mi sw of Thoms Creek. 1524 Comment
  RSA101503  Lithophragma glabrum R. Weatherby 1955-7-7 1601 Modoc Dismal Swamp, northern Warner Mountains. 2241 Comment
  UC1075749  Lithophragma glabrum Robert J. Weatherby 1955-7-7 1601 Modoc Dismal Swamp, northern Warner Mts. Dismal Swamp; northern Warner Mts. 2240 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
  CAS-BOT-BC225831  Lithophragma parviflorum Bruce Bartholomew 1993-6-12 6594 Modoc Top of ridge directly above Day Rock. 1380 Comment
  CAS-BOT-BC225838  Lithophragma tenellum Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16425 Modoc Summit of Cedar Pass, between Alturas and Cedarville. 1935 Comment
  HSC20218  Lithophragma tenellum M. T. Milligan 1965-7-10 433 Modoc W slope of Eagle Peak. 2439 Comment
  UC111916  Lithophragma tenellum Mrs. R. M. Austin Jun 1894 Modoc Lava Beds Comment
  UC114985  Lithophragma tenellum Mrs. R. M. Austin Jun 1894 176 Modoc Lava Beds; ; Modoc Co. Comment
  CHSC85192  Lithospermum arvense John Dittes; Josephine Guardino 1991-6-1 348 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
  UC748460  Lithospermum californicum Annie M. Alexander and Louise Kellogg 1946-7-11 4968 Modoc slope w Eight Mile Creek; , ne corner of county Comment
  CAS-BOT-BC54075  Lithospermum ruderale Francis Dorris Payne 1932-6-22 576 Modoc Parker Creek. 1584 Comment
  RSA59826  Lithospermum ruderale E. K. Balls 1950-5-13 14675 Modoc West of Goose Lake, 0.5 mile S of Oregon- California State Line. 1463 Comment
  POM126231  Lithospermum ruderale M. French Gilman 649 Modoc Dry slopes. Comment
  CHSC39004  Lomatium bicolor J. D. Jokerst 1983-7-18 1855 Modoc At Miller's Flat NW of Aden. Comment
  CAS-BOT-BC21439  Lomatium bicolor var. leptocarpum K. Paulson; Robert Paulson 1988-6-11 24 Modoc Parker Creek Road. 1524 Comment
  CAS-BOT-BC21443  Lomatium bicolor var. leptocarpum Louis Cutter Wheeler 1935-9-12 3982 Modoc Poindexter Reservoir, Devil's Garden. 1524 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
  UC106179  Lomatium bicolor var. leptocarpum Mrs. R. M. Austin may 1894 40 Modoc Goose Lake Valley Comment
  UC1508606  Lomatium bicolor var. leptocarpum Arnold Tiehm 1984-7-20 8827 Modoc 8.9 road mi NE of Ft. Bidwell (on the main road to Adel, just past the road summit) 1615 Comment
  RSA324612  Lomatium bicolor var. leptocarpum A. Tiehm 1984-7-30 8827 Modoc Modoc County: 8.9 road miles NE of Ft. Bidwell on the main road to Adel, just past the road summit. 1616 Comment
  RSA452581  Lomatium bicolor var. leptocarpum L. C. Wheeler 1935-9-12 3982 Modoc Devils Garden: 2 miles SW Poindexter Reservoir. 1524 Comment
  UC585104  Lomatium dissectum var. multifidum E. B. Babcock and G. L. Stebbins Jr. 1936-6-9 1812 Modoc ca. 3 mi. w. Cedarville (Cedar Creek Canyon, Warner Mts.); Warner Mts., Cedar Creek Canyon Comment
  NY1141604  Lomatium hendersonii B. M. Bartholomew 1993-5-13 6533 Modoc Just west of Mud Lake on road to West Valley Reservoir 1460 Comment
  UC1608977  Lomatium hendersonii B. Bartholomew with M. Gilbert and L. Skog 1993-5-13 6533 Modoc just w. Mud Lake (on rd. to West Valley Reservoir) 1460 Comment
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Jul 17 2014
  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
  SEINET8688103  Lomatium leptocarpum G. Schoolcraft 1998-5-19 2708 Modoc 0.5 miles E of Hwy 395 on Hwy 299 E of Alturas 1387 Comment
  RSA125347  Lomatium nevadense P. H. Raven, Otto T. Solbrig 1958-6-18 13311 Modoc Cottonwood Flat Camp Ground, Modoc National Forest Comment
  CAS-BOT-BC15758  Lomatium nevadense var. nevadense S. Saufferer 1973-5-5 132 Modoc 7.5 mi. S of Pine Creek along Hwy 395. Comment
  RSA565026  Lomatium piperi D. W. Taylor 1992-3-16 12328 Modoc 1 air mile SW of southern end Duncan Reservoir (1.5air mile E of Amborse). 1494 Comment
  SJSU13879  Lomatium plummerae N. A. Hopkins 1985-5-13 1269 Modoc by Hwy 395 c. 30 mi S of Alturas Comment
  RSA554803  Lomatium triternatum Margaret J. Williams 1988-5-28 88- 19 -1 Modoc Highway 395, intersection with Davis Creek Road Comment
  UC614431  Lomatium triternatum var. macrocarpum L. Constance 1938-6-12 2336 Modoc Cedar Pass rd. 12.8 mi. n.e. of Alturas (plateau near foot of Banner Grade, w. foothills of Warner Range); w. foothills of Warner Range 1463 Comment
  SEINET10545662  Lomatium triternatum var. macrocarpum Jeffrey Huber 1971-6-3 Huber 99 Modoc 5 mi. S of Canby on CA Hwy. 299. 1280 Comment
  CAS-BOT-BC21405  Lomatium triternatum var. triternatum John Thomas Howell 1934-6-12 11998 Modoc 6 mi. S of Davis Creek. Comment
  CAS-BOT-BC21406  Lomatium triternatum var. triternatum John Thomas Howell 1934-6-30 12253 Modoc Duncan Horse Camp. 1355 Comment
  RSA271941  Lomatium vaginatum Christopher Davidson 1975-6-4 2601 Modoc 0.4 miles E of Hwy 395 on Hwy 299 toward Cedarville. 1380 Comment
  RSA452601  Lomatium vaginatum Christopher Davidson 1973-5-26 2124 Modoc 4 miles W of Canby on Hwy 299. 1341 Comment
  UC643300  Lomatium vaginatum Alice Eastwood and John Thomas Howell 1940-6-11 8023 Modoc 8 mi. from Canby on rd. to Alturas Comment
  OBI81742  Lomatium vaginatum Tracey Call, Viola Call 1961-5-30 2055 Modoc 16 miles north of Alturas. Comment
  SEINET9672910  Lomatium vaginatum M. J. Williams 1988-5-30 88- 26 -5 Modoc Jess Valley, E of Likely, south of roadside rest 1524 Comment
  CAS-BOT-BC95175  Lonicera involucrata var. involucrata Francis Dorris Payne 1955-7-21 Modoc Lily Lake. Comment
  UC102335  Lonicera involucrata var. involucrata Mrs. R. M. Austin July 1894 152 Modoc Lassen Creek Comment
  CAS-BOT-BC181957  Lotus denticulatus Milo Samuel Baker; Franklin P. Nutting 1894-6-8 Modoc Near Egg Lake. Comment
  NY704619  Lotus denticulatus M. J. Williams 1984-6-20 84- 82 --2 Modoc 13.4 miles west along Parker Creek Road 1585 Comment
  CAS-BOT-BC181949  Lotus nevadensis var. nevadensis Leland S. Smith 1924-6-15 1408 Modoc Rocky sage flat S of Happy Camp Mt. 1310 Comment
  RSA229216  Lotus unifoliolatus Louis C. Wheeler 1935-9-4 3947 Modoc McGinty Point, Goose Lake. 1463 Comment
  RSA27896  Lotus unifoliolatus R. M. Austin 1895-06 298 Modoc Goose Lake Valley. Comment
  RSA504839  Lotus unifoliolatus Bruce Bartholomew, B. Anderson 1988-7-22 4485 Modoc Vicinity of East Creak Trailhead, southern end of the Warner Mountains; Sierran Montane forest. 2210 Comment
  CAS-BOT-BC181926  Lupinus Betty J. Hammerly 1941-6-20 34 Modoc Along banks of Clear Lake, S end of Warner Mts. Comment
  CAS-BOT-BC181931  Lupinus Bruce Bartholomew; Barrett Anderson 1988-6-23 4226 Modoc 2.1 km SSE of Day on the road to State Highway 299. 1020 Comment
  CAS-BOT-BC181929  Lupinus C. P. Smith 1947-6-13 47458 Modoc Highway 395, Davis Creek, 4 miles north Comment
  CAS-BOT-BC198272  Lupinus John Thomas Howell 1934-6-14 12120 Modoc Near Lost Lake, Warner Mts. 2438 Comment
  RSA0029194  Lupinus John F. Emmel 1997-6-8 1494 Modoc 3 to 4 road miles east of Hwy. 395 on Hwy. 299 (Cedarville Road). 1524 Comment
  CAS-BOT-BC181902  Lupinus arbustus Annie Montague Alexander; L. Kellogg 1946-7-17 5004 Modoc Near Benton Meadow. 2072 Comment
  CAS-BOT-BC181904  Lupinus arbustus Elmer Ivan Applegate 1929-6-24 5885 Modoc Between Lookout and Adin, upper Pitt River region. Comment
  NY732852  Lupinus arbustus subsp. calcaratus A. A. Heller 1941-6-25 16205 Modoc Border of a meadow near the beginning of the grade, west side of Cedar Pass Comment
  CAS-BOT-BC497327  Lupinus arbustus var. arbustus John Thomas Howell 1934-6-14 12120 Modoc Near Lost Lake, Warner Mts. 2438 Comment
  CAS-BOT-BC182180  Lupinus argenteus Elmer Ivan Applegate 1932-8-4 8152 Modoc Just N of Jess Valley, Warner Mts. Comment
  CAS-BOT-BC182195  Lupinus argenteus H. P. Bracelin 1931-6-30 500 Modoc S end of Alturas. 1524 Comment
  UC727128  Lupinus argenteus A. A. Heller 1938-6-24 15222 Modoc between Alturas and Canby; between Alturas and Canby 1341 Comment
  RSA0026214  Lupinus argenteus John F. Emmel 1997-6-9 1502 Modoc North end Surprise Valley, 3 air miles NE of Ft. Bidwell; along County Road 1, 3.6 road miles NE of jct. with County Road 6. 1409 Comment
  SJSU9657  Lupinus argenteus W. Savage 1979-7-8 1493 Modoc N end Fairchild Swamp Unit, Triangle, Devils Garden District, Modoc National Forest 1493 Comment
  UC199287  Lupinus argenteus M. F. Gilman 546 Modoc Comment
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  UC748288  Lupinus argenteus Annie M. Alexander and Louise Kellogg 1946-7-7 4917 Modoc Cedarville , Cedarville (Surprise Valley) Comment
  JEPS15486  Lupinus argenteus var. argenteus Joseph and Hilda Grinnell 1938-6-16 1106 a Modoc between Fort Bidwell and Cow Head Lake; between Fort Bidwell and Cow Head Lake 1524 Comment
  CAS-BOT-BC182086  Lupinus argenteus var. heteranthus C. P. Smith 1947-6-13 47465 Modoc Highway 395, Pine Creek (town), S edge. Comment
  CAS-BOT-BC182089  Lupinus argenteus var. heteranthus Alice Eastwood; John Thomas Howell 1940-6-12 8074 Modoc Between Likely and Jess Valley. Comment
  CAS-BOT-BC182100  Lupinus argenteus var. heteranthus Elmer Ivan Applegate 1929-6-25 5905 Modoc Willow Ranch, Goose Lake Valley. Comment
  CAS-BOT-BC182116  Lupinus argenteus var. heteranthus Elmer Ivan Applegate 1932-7-9 7573 Modoc N slope of Bidwell Mountain, Warner Mts. Comment
  CAS-BOT-BC208729  Lupinus argenteus var. heteranthus Frances Payne 1929-7-12 74 Modoc Lost Lake, Warner Mts. 2286 Comment
  CDA27390  Lupinus argenteus var. heteranthus T. C. Fuller 1971-7-14 19906 Modoc Warner Mountains; Barber Grade above South Barber Creek, 7 miles south of Eagleville. 0 Comment
  CHSC109679  Lupinus argenteus var. heteranthus Lowell Ahart; John Dittes 2012-7-10 18330 Modoc About 300 yards northeast of the old barn, on the sides of the mowed road. Ash Creek State Wildlife Area, about 3.9 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  JEPS65014  Lupinus argenteus var. heteranthus Leland S. Smith 1918-8-13 1035 Modoc Silver Creek south Warner Mts., foothills, Silver Creek Comment
  CAS-BOT-BC182079  Lupinus argenteus var. heteranthus R. M. Austin 1884-8-1 219 Modoc Hills. Comment
  CAS-BOT-BC182022  Lupinus argenteus var. meionanthus Elmer Ivan Applegate 1932-8-1 8043 Modoc Arid E slope of Warren Peak, Warner Mts. 2743 Comment
  SEINET10970215  Lupinus argenteus var. tenellus David B. Dunn 1954-9-3 Dunn 11808 Modoc Just N of Timber Mountain turnoff along Hwy 139. Comment
  HSC76462  Lupinus burkei B. J. Cox 1970-6-8 2080 Modoc 1 mi. N of Davis Creek, on U.S. Hwy. 395 Comment
  POM23636  Lupinus caudatus R. M. Austin 1895-07 410 Modoc Goose Lake Valley. Comment
  RSA163773  Lupinus caudatus Clare B. Hardham 1961-6-19 7837 Modoc Davis creek. 1677 Comment
  RSA531329  Lupinus caudatus Bruce Bartholomew, B. Anderson 1990-7-20 5485 Modoc 10.3 km north of Buck Creek Ranger Station, crest of Warner Mountains west side of Warner Mountains. 2130 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
  CAS-BOT-BC181889  Lupinus latifolius Mrs. H. C. Cantelow 1940-6-1 Modoc 12.5 mi E of Alturas. Comment
  SEINET195694  Lupinus laxiflorus Annie M. Alexander, Louise Kellogg 1946-7-23 5052 Modoc Emerson Peak, Warner Mountains Comment
  JEPS121191  Lupinus lepidus var. confertus Lowell Ahart, John Dittes 2013-7-25 18966 Modoc 10 yards W of the N-S fence, S edge of Ash Creek floodplain, NE 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
  CAS-BOT-BC181879  Lupinus lepidus var. lobbii Bruce Bartholomew 1992-8-8 6364 Modoc Summit Trail at pass on W ridge of Warren Peak, E side of Warner Mountains. 2870 Comment
  NY747264  Lupinus lepidus var. lobbii B. M. Bartholomew 1990-8-4 5645 Modoc Top of pass on Summit Trail, ca. 0.5 km southeast of Patterson Lake, east side of Warner Mountains 2800 Comment
  CAS-BOT-BC181858  Lupinus lepidus var. sellulus Bruce Bartholomew 1991-7-6 5974 Modoc Curtis Waterhole and adjacent lava outcrops. 1310 Comment
  CAS-BOT-BC181868  Lupinus lepidus var. sellulus John Thomas Howell 1934-7-1 12302 Modoc Duncan Horse Camp. 1355 Comment
  SJSU9566  Lupinus lepidus var. sellulus W. Savage 1979-7-3 1307 Modoc Triangle,Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  CAS-BOT-BC181861  Lupinus lepidus var. sellulus Mrs. H. C. Cantelow 1940-6-2 Modoc NW of Canby on road to Lava Bed National Monument. Comment
  CAS-BOT-BC181851  Lupinus leucophyllus K. Paulson; Robert Paulson 1989-7-2 160 Modoc Cottonwood Flat. 1447 Comment
  RSA504640  Lupinus microcarpus Bruce Bartholomew, B. Anderson 1988-6-23 4247 Modoc 4.2 kim NW of Day. 1020 Comment
  CAS-BOT-BC181833  Lupinus microcarpus var. microcarpus Alice Eastwood; John Thomas Howell 1940-6-11 8021 Modoc 8 mi. from Canby on road to Alturas. Comment
  CAS-BOT-BC181845  Lupinus microcarpus var. microcarpus Bruce Bartholomew; Barrett Anderson 1988-6-23 4247 Modoc 4.2 km NW of Day. 1020 Comment
  UC1584000  Lupinus microcarpus var. microcarpus G. Schoolcraft 1990-6-6 2076 Modoc about 10 mi n Alturas (near Joseph Creek); n of Alturas near Joseph Creek 1447 Comment
  UC619258  Lupinus microcarpus var. microcarpus J. and H. W. Grinnell 1938-6-16 1114 Modoc six mi s Fort Bidwell; s of Fort Bidwell 1463 Comment
  UC725357  Lupinus microcarpus var. microcarpus A. A. Heller 1941-6-26 16212 Modoc along U.S. Highway #299, 8 mi w Alturas; w of Alturas Comment
  CAS-BOT-BC497470  Lupinus polyphyllus Margaret J. Williams 1988-5-30 88- 22 -1 Modoc Crowder Flat road, NW of Alturas 1524 Comment
  CAS-BOT-BC181825  Lupinus polyphyllus var. burkei R. M. Austin; C. C. (Mrs.) Bruce 1898-7-1 2142 Modoc Modoc County. Comment
  CAS-BOT-BC181824  Lupinus pusillus var. intermontanus R. M. Austin 1884-6-1 Modoc Shores of Goose Lake. 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-BC181809  Lupinus saxosus Bruce Bartholomew; Barrett Anderson 1988-5-14 4194 Modoc 1.3 km S of turn off to Crowder Flats West Side Road, W side of Goose Lake. 1410 Comment
  CAS-BOT-BC181810  Lupinus saxosus Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-13 6530 Modoc Just W of Forest Service on Parker Creek Road between Alturas and Pepperdine. 1520 Comment
  CAS-BOT-BC181822  Lupinus saxosus Bruce Bartholomew; Barrett Anderson 1988-5-13 4149 Modoc Along Parker Creek Road, at the border of Modoc National Forest and ca. 16 km WSW of Alturas, side of the Warn 1580 Comment
  SEINET10486206  Lupinus saxosus David B. Dunn, Paul Gallian 1971-6-2 Dunn 17782 Modoc 9 mi sw of canby on state hwy. 299, In decomposed granite; in artemisia, very Moist season of year with melting patches of snow. Pinus ponderosa-juniper Association. 30-45 Degree slope. 1463 Comment
  CAS-BOT-BC181806  Lupinus sericeus var. flexuosus Edward Kent Balls 1950-5-18 14742 Modoc 1.3 mi. SW of Canby Bridge on Hwy 299. 1341 Comment
  CAS-BOT-BC179872  Lycopus asper Herbert Louis Mason 1947-8-11 13490 Modoc Hwy 81, W margin of Lower Lake, near boundary between Lasson and Modoc counties. Comment
  UCD124962  Lycopus asper Herbert L. Mason 1947-8-11 13490 Modoc on Highway 81, west margin of Lower Lake, near boundary between Lassen and Modoc counties. 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
  RSA503247  Madia citrigracilis Bruce Bartholomew 1988-7-22 4514 Modoc SE side of Sunflower Know, southern end of the Warner Mtns. 2160 Comment
  CAS-BOT-BC49475  Madia citriodora Bruce Bartholomew; Barrett Anderson 1988-6-23 4242 Modoc 4.2 km NW of Day. 1020 Comment
  UC33230  Madia exigua Mrs. R. M. Austin August, 1894 Modoc Sugar Loaf Hill Comment
  CAS-BOT-BC49402  Madia glomerata Francis Dorris Payne 1934-8-1 Modoc Parker Creek. 1584 Comment
  CAS-BOT-BC49404  Madia glomerata John Thomas Howell 1934-7-3 12375 Modoc 5 mi. S of Hackamore. Comment
  CAS-BOT-BC49447  Madia glomerata Annie Montague Alexander; L. Kellogg 1946-7-7 4930 Modoc Eight Mile Creek, NE corner of county 1752 Comment
  CAS-BOT-BC49419  Madia gracilis Bruce Bartholomew 1990-6-15 5210 Modoc Kelly Spring, 5.5 km SSE of Hwy 299 on road from Rush Creek. 1640 Comment
  CAS-BOT-BC49421  Madia gracilis John Thomas Howell 1934-6-12 12025 Modoc Plum Valley above Davis Creek, Warner Mts. Comment
  UCR66732  Madia gracilis J. T. Howell 1934-6-12 12025 Modoc Warner mtns. Plum Valley 1660 Comment
  RSA504612  Madia gracilis subsp. gracilis Bruce Bartholomew, B. Anderson 1988-7-21 4414 Modoc Whitehorse Mountains, 11 km N of Day on the road to Whitehorse Flat Reservoir. 1340 Comment
  RSA540059  Madia gracilis subsp. gracilis Bruce Bartholomew 1990-6-15 5210 Modoc Kelly Spring, 5.5 km south-southeast of Highway 299 on road from Rush Creek 1640 Comment
  POM203070  Madia minima J. T. Howell 1934-7-1 12312 Modoc Duncan Horse Camp Comment
  CAS-BOT-BC242030  Maianthemum racemosum E. S. Willits 1940-5-6 219 Modoc Near Lassen Creek, Willow Ranch. 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
  CAS-BOT-BC95626  Marah fabacea Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-12 6527 Modoc SW facing slope between Whitehorse Reservoir and Little Hot Spring Valley. 1270 Comment
  RSA550542  Marah fabacea Bruce Bartholomew 1992-5-14 6274 Modoc SW side of White Horse Mountains, SW of White Horse Flat Reservoir. 1400 Comment
  CAS-BOT-BC71146  Marsilea Alice Eastwood; John Thomas Howell 1940-6-15 8282 Modoc Near Happy Camp Ranger Station Comment
  CHSC100514  Marsilea vestita subsp. vestita Lowell Ahart; John Dittes 2008-8-26 15340 Modoc On the bottom 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
  JEPS114951  Marsilea vestita subsp. vestita Lowell Ahart, John Dittes 2008-8-26 15340 Modoc On the bottom 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
  JEPS119672  Matricaria discoidea Lowell Ahart, John Dittes 2012-7-12 18353 Modoc In the parking area on the east side of Elkins Lane, northeast of 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. Comment
  CAS-BOT-BC179863  Mentha arvensis Bruce Bartholomew 1989-8-11 5056 Modoc Along W side of Goose Lake, 12.4 km N of McGinty Point on National Forest Road 48. 1430 Comment
  CAS-BOT-BC179867  Mentha arvensis Bruce Bartholomew 1990-8-3 5616 Modoc 8 km E of Likely on road to Jess Valley. Along S Fork of the Pit River. 1420 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
  UC71758  Mentha canadensis Mrs. M. H. Manning 1903-7 201 Modoc near Fort Bidwell (north-eastern Modoc County); near Fort Bidwell Comment
  CAS-BOT-BC179131  Mentzelia dispersa Annie Montague Alexander; L. Kellogg 1946-6-10 4714 Modoc Lava bench between Lower and Snake Lakes. Comment
  CAS-BOT-BC179138  Mentzelia dispersa Bruce Bartholomew 1991-7-4 5923 Modoc Vicinity of Pine Spring between Miller Gulch and Twin Lakes. 1420 Comment
  CAS-BOT-BC179146  Mentzelia dispersa Betty J. Hammerly 1941-6-20 39 Modoc Between Mill Creek Public Camp and Clear Lake. 1767 Comment
  CAS-BOT-BC179126  Mentzelia laevicaulis Verne Grant; I. Schneider 1947-7-22 8161 Modoc N Fork of Pit River, 1 mi. NW of Hwy 395 on dirt road leading S to Goose Lake. Comment
  UC79014  Mertensia ciliata Mrs. R. M. Austin Jul 1894 276 Modoc Lassen Creek Comment
  CAS-BOT-BC498691  Mertensia ciliata var. stomatechoides Ira L. Wiggins; Dorothy B. Wiggins 1961-6-14 16478 Modoc Along Lassen Creek Road to Davis Creek, Warner Mtns. Comment
  CAS-BOT-BC54047  Mertensia cusickii Bruce Bartholomew 1994-5-28 6717 Modoc Vicinity of Cold Spring SE of Sugar Hill, W side of Warner Mts. 1880 Comment
  CAS-BOT-BC54002  Mertensia longiflora Bruce Bartholomew; Barrett Anderson 1988-5-13 4153 Modoc Along Parker Creek Road, 0.5 km W of West Warner Road on Parker Creek Road, W side of the Warner Mts.. 1650 Comment
  CAS-BOT-BC54004  Mertensia longiflora Bruce Bartholomew 1991-5-25 5745 Modoc 3.2 km S of road between Goose Lake and Crowder Flat road on road to Rimrock Valley. 1646 Comment
  NY1084274  Mertensia oblongifolia E. Joyal 1988-6-28 1293 Modoc North Warner Mountains, ridge road Comment
  JEPS6028  Mertensia oblongifolia var. amoena Frances D. Payne 1931-6-21 224 Modoc Ridge west of Dry Creek, northern tributary of Parker Creek, Warner Mountains, south and east of Alturas. 1981 Comment
  CAS-BOT-BC54021  Mertensia oblongifolia var. oblongifolia Elmer Ivan Applegate 1932-7-9 7615 Modoc N side of Bidwell Mountain, Warner Mountains 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
  CAS-BOT-BC54019  Mertensia oblongifolia var. oblongifolia C. C. (Mrs.) Bruce 1899-7-1 2260 Modoc Modoc County. Comment
  CAS-BOT-BC225958  Micranthes nidifica Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-11 6509 Modoc Ca. 3 km S of Oregon border on Forest Service Rte. 7. 1720 Comment
  UC35778  Microseris laciniata subsp. laciniata M. S. Baker and Frank Nutting 1894-6-8 Modoc near Egg Lake Comment
  JEPS11699  Microseris nutans Rimo Bacigalupi with L. R. Heckard, Ruth Sanderson and Geo. Bacigalupi 1952-6-18 3734 Modoc about 200 ft above s side Cedar Pass; Warner Mountains 2164 Comment
  RSA540058  Microseris nutans Bruce Bartholomew, M. Bourell 1990-4-28 5208 Modoc 4.3 km SE of Rush Creek on road to Hunters Ridge 1550 Comment
  CAS-BOT-BC197909  Microsteris gracilis E. S. Willits 1940-5-17 267 Modoc Willow Ranch. Comment
  RSA152448  Microsteris gracilis subsp. gracilis I. L. Wiggins, Dorothy Wiggins 1961-6-13 16452 Modoc Wet meadow at southern outskirts of Fort Bidwell Comment
  UC1736359  Mimulus breviflorus Dean W. Taylor 1987-6-24 9055 Modoc Egg Lake, along the inlet stream in the extreme SE porton of the lakebed (a large marsh and meadow complex) 1280 Comment
  RSA430187  Mimulus breviflorus Louis C. Wheeler 1935-8-3 3766 Modoc Warner Mountains: Pine Creek. 1738 Comment
  HSC20806  Mimulus breweri M. T. Milligan 1964-7-25 166 Modoc Pine Creek Basin, along trail. 2439 Comment
  UC1025085  Mimulus breweri Leo Whitney 1935-5-18 3087 Modoc ca. 15 mi nw Canby; Modoc National Forest, Lake Joaquina, Hackamore 1463 Comment
  UC69690  Mimulus breweri Mrs. M. H. Manning 1903-8-21 315 Modoc Mt. Bidwell 1981 Comment
  JEPS127294  Mimulus evanescens Lowell Ahart, John Dittes 2016-7-14 21183 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
  HSC26578  Mimulus guttatus D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19484 Modoc Upper Rush Creek Campground, about 8 mi. N of Adin on Hwy. 299 Comment
  HSC65565  Mimulus guttatus Thomas Wood 1979-8-8 212 Modoc 1 mi. S of Ft. Bidwell along Hwy. 1, corner house where road turns W 1372 Comment
  JEPS11547  Mimulus guttatus W. L. Jepson 1918-8-12 7955 Modoc Jess Valley 1584 Comment
  RSA488110  Mimulus guttatus Barbara J. Ertter 1988-6-18 7631 Modoc Hwy 139, 14.5 mi ENE of jct Hwy 299 at Canby, N of Bessler Reservoir. 1463 Comment
  RSA59437  Mimulus guttatus E. K. Balls 1950-5-10 14602 Modoc Menlo Baths, west of Lower Alkali Lake. 1433 Comment
  UCR34706  Mimulus guttatus J. A. Harpel 1981-8-6 V 30 Modoc Warner Mtns, South Warner Wilderness Area: E end of Patterson Lake, 7 mi NW of Eagleville 2744 Comment
  RSA454353  Mimulus guttatus Louis C. Wheeler 1935-8-27 3926 Modoc South Mt. Spring, Devil's Garden. 1524 Comment
  RSA550578  Mimulus guttatus Bruce Bartholomew, B. Anderson 1989-6-1 4728 Modoc Shake Spring. NW side of Shaffer Mtn. 1500 Comment
  RSA584828  Mimulus latidens Bruce Bartholomew 1993-6-12 6577 Modoc Road to Day Rock from Little Hot Spring Valley. 1250 Comment
  UC1037301  Mimulus layneae Leo Whitney 1934-5-27 1617 Modoc near Hackamore; Modoc National Forest 1463 Comment
  RSA503241  Mimulus lewisii Bruce Bartholomew, B. Anderson 1988-7-22 4537 Modoc Side Creek, W side of Lake City Canyon, E side of the Warner Mountains. 1980 Comment
  UC445218  Mimulus moschatus var. longiflorus Franklin P. Nutting Modoc near Forestdale; Taylor Creek Comment
  JEPS86915  Mimulus nanus var. nanus David M. Thompson 1988-6-2 925 Modoc ca. 6.8 mi nw Canby (0.1 mi se of turnoff for Howard's Gulch Campground along Hwy 139) 1500 Comment
  UC726426  Mimulus nanus var. nanus A. A. Heller 1941-6-24 16195 Modoc just s Indian Springs (along U. S. Highway #299) Comment
  CHSC111985  Mimulus tilingii B. Castro; L. P. Janeway 2008-8-17 1748 Modoc Warner Mountains. North slope of Bald Mountain; mid-slope not far above last row of trees. 2316 Comment
  UC100828  Mimulus tricolor Milo S. Baker Modoc Forestdale Comment
  UC1025084  Mimulus tricolor Leo Whitney 1935-6-2 3179 Modoc near White Horse; White Horse lake (flat) Comment
  RSA594829  Minuartia douglasii Bruce Bartholomew 1993-6-12 6585 Modoc Road to Day Rock from Little Hot Spring Valley. 1250 Comment
  CAS-BOT-BC95212  Minuartia nuttallii Elmer Ivan Applegate 1932-8-1 8018 Modoc W slope of Warner Mts., S of Warren Peak. Comment
  CAS-BOT-BC95214  Minuartia nuttallii Bruce Bartholomew 1991-8-5 6070 Modoc Summit Trail between Squaw Peak and Cottenwood Lake along crest of Warner Mts. 2530 Comment
  CAS-BOT-BC225802  Mitella pentandra Elmer Ivan Applegate 1932-7-7 8240 Modoc Lily Lake, Bidwell Pass, Warner Mts. Comment
  CAS-BOT-BC225804  Mitella pentandra Bruce Bartholomew 1989-8-12 5114 Modoc South Fork of Pine Creek just N of trailhead to Pine Creek Basin, W side of Warner Mts. 2010 Comment
  NY758252  Mitella pentandra B. M. Bartholomew 1994-7-2 6784 Modoc 5.0 km southeast of Joseph Creek Basin on the west side of the Warner Mountains 1930 Comment
  SFV18058  Monardella odoratissima J. A. Matos, D. C. Rudolph 1999-8-7 s. n. Modoc 1 mile east of Siskiyou county line along Lava Beds National Monumemt Road. 1310 Comment
  CAS-BOT-BC179366  Monardella odoratissima subsp. glauca Alice Eastwood; John Thomas Howell 1940-6-13 8175 Modoc E side of Cedar Pass. Comment
  CAS-BOT-BC179371  Monardella odoratissima subsp. glauca Bruce Bartholomew 1995-7-31 7082 Modoc Top of a rocky knob, E of Bald Mountain, E side of the Warner Mts. 2160 Comment
  CAS-BOT-BC179853  Monardella odoratissima subsp. glauca Mona Bourell; Robert Patterson 1993-8-15 5254 Modoc Warner Mountains. Along trail from Patterson Lake to ca. 2 mi north towards Pepperdine Trailhead. 2743 Comment
  CHSC32917  Monardella odoratissima subsp. glauca J. P. Smith; J. O. Sawyer 1973-8-8 7238 Modoc South slopes of Eagle Peak. 2743 Comment
  UC71706  Monardella odoratissima subsp. glauca Mrs. M. H. Manning 1903-8-27 350 Modoc Leading to summit Mt. Bidwell Comment
  RSA293358  Monardella odoratissima subsp. glauca Reino Alava 1957-7-5 1151 Modoc Cedar Pass, Modoc National Forest, Warner Mountains Comment
  CHSC67816  Monardella odoratissima subsp. odoratissima James D. Jokerst 1990-8-1 3206 Modoc Lava Beds National Monument, summit and upper W-facing slope of Caldwell Minor near E edge of monument boundary. 1402 Comment
  CAS-BOT-BC179359  Monardella odoratissima subsp. pallida Bruce Bartholomew 1990-8-5 5666 Modoc Summit Trail, ca. 3 km N of Patterson Ranger Station, W side of Warner Mts. 2440 Comment
  CAS-BOT-BC95549  Monolepis nuttalliana Bruce Bartholomew 1991-6-23 5877 Modoc 2.6 km NE of Crowder Flat Road on road between Ingall Swamp and Dorris Brothers Reservoir. 1520 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
  UC748122  Montia chamissoi Annie M. Alexander and Louise Kellogg 1946-6-22 4814 Modoc Lake Annie 1524 Comment
  RSA65656  Montia fontana F. W. Peirson 1926-6-25 6889 Modoc 1 mile east of summit of Cedarville Road, Warner Mountains Comment
  UC852059  Montia fontana C. L. Hitchcock 1940-5-27 6697 Modoc 12 mi ne of Alturas 1615 Comment
  CAS-BOT-BC197502  Montia linearis Bruce Bartholomew 1991-6-21 5816 Modoc N side of Mud Lake, 5.8 km S of Forest Service road 73 on road to Rim Rock Valley. 1570 Comment
  CAS-BOT-BC197504  Montia linearis Bruce Bartholomew; M; M. Gilbert; L. E. Skog 1993-5-12 6525 Modoc W side of Whitehorse Reservoir. 1360 Comment
  CAS-BOT-BC197549  Montia linearis E. S. Willits 1940-5-17 266 Modoc Willow Ranch. Comment
  CHSC85140  Montia linearis John Dittes; Josephine Guardino 1991-6-1 375 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-BC247569  Muhlenbergia asperifolia Herbert Louis Mason 1947-8-15 13542 Modoc Mouth of Crane Creek on Willow Ranch. Comment
  CAS-BOT-BC247571  Muhlenbergia asperifolia Herbert Louis Mason 1947-8-15 13542 Modoc Mouth of Crane Creek on Willow Ranch. 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
  JEPS69319  Muhlenbergia filiformis Leland S. Smith 1918-1 Modoc Comment
  UC1025045  Muhlenbergia filiformis Leo Whitney 1935-8-19 3624 Modoc ca 15 mi nw Canby; Modoc National Forest, Lake Joaquina, Hackamore 1463 Comment
  RSA757477  Muhlenbergia richardsonis Barbara Ertter 1988-6-18 7609 Modoc West side of Highway 139 just south of where it crosses railroad at junction to Clear Lake, northeast of Dry Lake east of Lava Beds National Monument. 1250 Comment
  UC1025030  Muhlenbergia richardsonis Leo Whitney 1935-7-19 3539 Modoc ca 15 mi nw Canby; Modoc National Forest, Lake Joaquina, Hackamore 1463 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
  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
  UC1536811  Myriophyllum sibiricum Gordon H. True Jr 1939-7-21 1021 Modoc Jack Swamp, N of Canby. Comment
  CAS-BOT-BC198019  Navarretia breweri Mrs. H. C. Cantelow 1940-6-2 s.n. Modoc About 10 miles NW of Canby on road to Lava Bed Monument Comment
  JEPS70251  Navarretia breweri Frances D. Payne 1929-7-26 125 Modoc 2 mi sw Warren Peak; Warner Mts., Pine Creek Basin 2286 Comment
  RSA164296  Navarretia breweri Clare B. Hardham 1961-6-18 7817 Modoc Cedar Pass Comment
  SBBG6031  Navarretia breweri H. and M. Dearing 1939-6-7 3586 Modoc near Cedar Pass, E of Alturas 1676 Comment
  CHSC109895  Navarretia capillaris B. Castro; L. P. Janeway 2012-7-26 1968 Modoc Warner Mountains. At Little Lily Lake, 1.5 air mi N of Mt. Vida. 2254 Comment
  CAS-BOT-BC198000  Navarretia divaricata subsp. vividior Bruce Bartholomew; Barrett Anderson 1989-6-1 4743 Modoc ca. 0.5 km S of State Hwy 299 on road to Shaker Spring. 1420 Comment
  RSA73142  Navarretia intertexta F. W. Peirson 1926-6-25 6868 Modoc Cedarville Pass, Warner Mountains Comment
  CAS-BOT-BC197976  Navarretia intertexta subsp. propinqua Bruce Bartholomew; Barrett Anderson 1990-7-19 5433 Modoc Sweagert Flat. 1860 Comment
  CAS-BOT-BC197989  Navarretia intertexta subsp. propinqua Annie Montague Alexander; L. Kellogg 1946-7-7 4932 Modoc Eight Mile Creek, NE corner of county. 1752 Comment
  RSA165590A  Navarretia intertexta subsp. propinqua Clare B. Hardham 1961-6-19 7840 Modoc Willow Creek. Warner Mountains. Comment
  RSA185430  Navarretia leptalea Clare B. Hardham 1961-6-18 s.n. Modoc Warner Mountains: Cedar Pass. Comment
  RSA518659  Navarretia leucocephala subsp. leucocephala L. R. Heckard, R. C. Bacigalupi 1980-6-10 5221 Modoc Southwest margin of Egg Lake (now dry). Comment
  CAS-BOT-BC197968  Navarretia leucocephala subsp. minima Alice Eastwood; John Thomas Howell 1940-6-14 8230 Modoc 8 mi. NW of Canby. Comment
  UC1191628  Navarretia leucocephala subsp. minima Herbert L. Mason 1947-8-8 13456 Modoc nw of Alturas (n of Big Sage Reservoir); Ingalls Swamp Comment
  UC1199811  Navarretia leucocephala subsp. minima Herbert L. Mason 1957-6-21 14705 Modoc w side Said Valley Comment
  SEINET4673746  Navarretia propinqua Leigh A. Johnson, Haley M. Smith 2011-6-25 11 -067 Modoc Vicinity of mile marker 9.37 off of Hwy 299, near Roney Flat and Johnson Creek roads. 1428 Comment
  UC629104  Navarretia sinistra Louis C. Wheeler 1935-8-13 3833 Modoc Barnes Creek Warner Mts., Barnes Creek 1828 Comment
  RSA0049636  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
  POM260426  Nemophila breviflora C. L. Hitchcock 1940-5-27 6661 Modoc 12 miles NE of Alturas. 1616 Comment
  CAS-BOT-BC179301  Nemophila parviflora var. austiniae Annie Montague Alexander; L. Kellogg 1946-6-14 4745 Modoc Barber Creek, Patterson Mill Road. 1798 Comment
  POM248997  Nemophila parviflora var. austiniae Lincoln Constance 1938-6-12 2333 Modoc Edge of Thombs Creek at foot of Bonner Grade, Cedar Pass Road, 13.4 miles NE of Alturas, western foothills of the Warner Range 1524 Comment
  CAS-BOT-BC179289  Nemophila pedunculata Bruce Bartholomew; Barrett Anderson 1988-5-12 4095 Modoc White Horse. 1340 Comment
  CHSC85124  Nemophila pedunculata John Dittes; Josephine Guardino 1991-6-1 360 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
  HSC26509  Nemophila pedunculata J. P. Smith, J. O. Sawyer 1972-5-6 5258 Modoc FS road to Quail Spring at Hwy. 299, N of Adin 1463 Comment
  UC606938  Nemophila pedunculata L. Constance 1938-6-12 2337 Modoc 8 mi ne Adin (margin of Rush Creek); , ne of Adin 1524 Comment
  POM249004  Nemophila pedunculata Lincoln Constance 1938-6-12 2337 Modoc Margin of Rush Creek, 8 miles northeast of Adin. 1524 Comment
  UC24288  Nemophila pedunculata Milo S. Baker Modoc Pine Creek Comment
  UC726196  Neoholmgrenia andina A. A. Heller 1941-6-25 16198 Modoc on the Cedarville rd a short distance e junction with U.S. Highway 395 Comment
  CAS-BOT-BC349857  Nestotus stenophyllus Mrs. C. C. Bruce 1898-6-1 2184 Modoc Lake City Mt Comment
  CHSC118326  Nestotus stenophyllus L. P. Janeway 2016-5-17 12014 Modoc Modoc Plateau. Devils Garden area; flat just below (west of) Porcupine Rim; 0.3 km north of Road 43N18; 4.0 air-km west of Big Sage Reservoir. 1544 Comment
  CAS-BOT-BC245375  Nicotiana attenuata Belknap C. Goldsmith 1912-8-8 77 Modoc S end of Goose Lake. 1463 Comment
  JEPS5995  Nicotiana attenuata Frances D. Payne 1932-6-19 554 Modoc canyon on Jess Valley road; Warner Mountains Comment
  UC427888  Nicotiana attenuata Isabel Kelly 1930-1 Modoc ne of Fort Bidwell (on the Cowhead Lake road); Surprise Valley Comment
  RSA0013785  Nuphar lutea subsp. polysepala L. C. Wheeler 1935-8-14 3846 Modoc Lily Lake, Pine Creek, Warner Mts. 2073 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
  NY998662  Oenothera deltoides var. piperi M. J. Williams 1988-6-2 88- 27 --5 Modoc Hwy 395 0.4 mile east of Susanville road after turn to Alturas Comment
  CHSC116084  Oenothera elata subsp. hirsutissima Lowell Ahart; John Dittes 2015-7-16 20361 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
  CAS-BOT-BC190809  Oenothera elata subsp. hirsutissima Belknap C. Goldsmith 1912-8-5 69 Modoc W side of Goose Lake. 1463 Comment
  POM38740  Oenothera elata subsp. hirsutissima R. M. Austin 1895-07 163 Modoc Davis Creek Comment
  UC1191753  Oenothera villosa subsp. strigosa Verne Grant and Irving Schneider 1947-7-19 8074 Modoc in Southern Pacific right-of-way near East Canal (s of Alturas); Pit Valley, Williams ranch Comment
  RSA59364  Olsynium douglasii E. K. Balls 1950-5-11 14629 Modoc 8.1 miles NE of Fort Bidwell. Above Cow Head Lake. Along 8 Mile Creek. 1463 Comment
  CAS-BOT-BC245093  Olsynium douglasii var. douglasii E. S. Willits 1940-4-16 179 Modoc Sugar Hill. Comment
  JEPS48968  Olsynium douglasii var. douglasii Leland S. Smith 1918-5-18 927 Modoc Cedarville road e Alturas 1676 Comment
  RSA128696  Onopordum acanthium T. C. Fuller 1959-7-8 2795 Modoc S/4th St., E/East St., Alturas Comment
  UCD134666  Onopordum acanthium T. C. Fuller 1959-7-8 2795 Modoc south side of 4th Street, east of East Street, Alturas. Comment
  CDA7563  Onopordum acanthium T. C. Fuller 1960-7-27 4992 Modoc Southeast of 4th & East Streets, Alturas. 0 Comment
  JEPS114491  Onopordum acanthium subsp. acanthium Lowell Ahart, John Dittes 2008-8-25 15275 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-northeast of Lookout 1273 Comment
  JEPS26037  Onopordum acanthium subsp. acanthium T. C. Fuller 1959-7-8 2795 Modoc Alturas; S/4th St., E/East St. Comment
  HSC80904  Orobanche corymbosa G. M. Riegel 1980-7-14 882 Modoc S Warner Mtns. 1829 Comment
  CAS-BOT-BC190791  Orobanche fasciculata Bruce Bartholomew 1990-6-18 5377 Modoc Crowder Flat Rd, 0.3 km N of turn off to Big Sage Reservoir. 1480 Comment
  HSC80741  Orthocarpus cuspidatus subsp. cryptanthus G. M. Riegel 1980-6-30 781 Modoc S Warner Mtns. 1739 Comment
  UC444910  Orthocarpus cuspidatus subsp. cryptanthus Mrs. M. H. Manning 1907-1 712 Modoc e side Mt. Bidwell (12 Mile Creek, ne Modoc Co.); e side of Mt. Bidwell, 12 Mile Creek Comment
  RSA318660  Orthocarpus cuspidatus subsp. cryptanthus Margaret J. Williams 1983-7-29 83- 116 -7 Modoc 1.1 mi N of Stowe Reservoir Campground, N of Cedar Pass, Warner Mtns. 2088 Comment
  RSA44249B  Orthocarpus hispidus R. M. Austin 1895-07 537 Modoc Goose Lake Valley. Comment
  RSA531343  Orthocarpus lacerus Bruce Bartholomew, B. Anderson 1989-6-3 4911 Modoc ca. 6 km NW of Egg Lake and ca. 0.8 km E of Service Flat Gulch. 1370 Comment
  CAS-BOT-BC15733  Osmorhiza chilensis Bruce Bartholomew 1993-6-12 6597 Modoc Above the road to Day Rock from Little Hot Spring Valley. 1260 Comment
  NY1101667  Osmorhiza chilensis B. M. Bartholomew 1988-6-24 4338 Modoc Cave Lake, west side of the Warner Mountains 2130 Comment
  CAS-BOT-BC15749  Osmorhiza occidentalis John Thomas Howell 1934-6-11 11948 Modoc Parker Creek. 1584 Comment
  CAS-BOT-BC15750  Osmorhiza occidentalis K. Paulson; Robert Paulson 1988-6-19 49 Modoc Happy Camp Guard Station. 1554 Comment
  NY1101852  Osmorhiza occidentalis K. Paulson 1988-6-19 49 Modoc Happy Camp Guard Station 1554 Comment
  CAS-BOT-BC218103  Oxyria digyna Annie Montague Alexander; L. Kellogg 1946-7-23 5058 Modoc Emerson Peak, Warner Mts. Comment
  CHSC100838  Oxyria digyna L. P. Janeway 2008-8-17 9568 Modoc Warner Mountains. North slope of Bald Mountain; just below the cliffs at the top of the peak. 2400 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
  UC748317  Oxyria digyna Annie M. Alexander and Louise Kellogg 1946-7-23 5058 Modoc Emerson Peak; Warner Mountains, Emerson Peak Comment
  CAS-BOT-BC50308  Packera cana Leland S. Smith 1919-6-5 1118 Modoc Deep Creek near station. 1584 Comment
  JEPS5949  Packera eurycephala Frances D. Payne 1931-6-11 169 Modoc s and e of Alturas; Warner Mountains, Parker Creek 1584 Comment
  CAS-BOT-BC50311  Packera eurycephala var. eurycephala Bruce Bartholomew 1991-7-5 5940 Modoc Dry wash draining into North Willow Creek, between Crowder Flat and the Oregon border. 1620 Comment
  UC35986  Packera eurycephala var. eurycephala Mrs. R. M. Austin Aug 1894 Modoc Goose Lake Valley Comment
  POM36761  Packera pseudaurea var. pseudaurea Mrs. R. M. Austin 1895-07 558 Modoc Goose Lake Valley. Comment
  SEINET195691 Image available Paeonia brownii Annie M. Alexander, Louise Kellogg 1946-6-15 4778 Modoc Deep Creek 2160 Comment
  CHSC100435  Panicum capillare Lowell Ahart; John Dittes 2008-8-25 15324 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
  CAS-BOT-BC225849  Parnassia fimbriata Leland S. Smith 1918-8-26 1049 Modoc Head of canyon, Owl Creek Canyon. 2286 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
  UC447221  Pedicularis attollens Franklin P. Nutting Modoc Forestdale Comment
  RSA531346  Pedicularis attollens K. Paulson, R. Paulson 1989-7-4 168 Modoc Ca. 1 mi S of Patterson Ranger Station, S end of Warner Mts. 2128 Comment
  CHSC12158  Pedicularis densiflora J. Grove 1973-4-28 85 Modoc Collected at Whiley Ranch, 10 mi. nw of Day. 1005 Comment
  CAS-BOT-BC232302  Pedicularis groenlandica subsp. surrecta Bruce Bartholomew 1995-7-31 7114 Modoc Upper reaches of Goose Creek, E side of the Warner Mountains. 2160 Comment
  CAS-BOT-BC232304  Pedicularis groenlandica subsp. surrecta Leland S. Smith 1918-6-22 945 Modoc Lily Lake. 2133 Comment
  CAS-BOT-BC232305  Pedicularis groenlandica subsp. surrecta Elmer Ivan Applegate 1932-7-6 8242 Modoc Lily Lake, Bidwell Pass, Warner Mountatins Comment
  UC748174  Pedicularis semibarbata Annie M. Alexander and Louise Kellogg 1946-7-17 5006 Modoc Benton Meadow; Warner Mountains 2072 Comment
  HSC80738  Pedicularis semibarbata G. M. Riegel 1980-7-12 863 Modoc S Warner Mtns. 1670 Comment
  RSA0025567  Penstemon John F. Emmel 1996-7-16 1438 Modoc Larkspur Hills east of Surprise Valley. Gentle slope north of road, along County Road 6, ca. 0.5 road mi WNW of Schamp Creek crossing. 1524 Comment
  CAS-BOT-BC232349  Penstemon davidsonii var. davidsonii Elmer Ivan Applegate 1932-8-5 8172 A Modoc Cedar Mountain, Warner Mountains Comment
  CAS-BOT-BC265300  Penstemon davidsonii var. davidsonii John Thomas Howell 1934-6-14 12122 Modoc Near Lost Lake, Warner Mountains 2438 Comment
  UC1539988  Penstemon deustus M. Mitchell 1936-5-21 49 Modoc 2 mi se Hospital Rock (Lava Beds National Monument); , se of Hospital Rock 1249 Comment
  CAS-BOT-BC232329  Penstemon deustus var. pedicellatus Annie Montague Alexander; L. Kellogg 1946-6-18 4804 Modoc Base of lava bluff facing Lower Lake. Comment
  CAS-BOT-BC232331  Penstemon deustus var. pedicellatus John Thomas Howell 1934-6-11 11919 Modoc Parker Creek, Warner Mountains 1584 Comment
  CAS-BOT-BC232372  Penstemon deustus var. pedicellatus Elmer Ivan Applegate 1932-8-2 8070 Modoc Mill Creek Meadows. Comment
  CAS-BOT-BC232374  Penstemon deustus var. pedicellatus Bruce Bartholomew; Barrett Anderson 1990-7-20 5492 Modoc 10.3 km N of Buck Creek Ranger Station, crest of Warner Mountains W side of Warner Mts. 2130 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
  CAS-BOT-BC245532  Penstemon gracilentus Robert Patterson; Mona Bourell 1993-8-14 5223 Modoc Patterson Lake. South Warner Wilderness Area. Warner Mountains. 2743 Comment
  CAS-BOT-BC245534  Penstemon gracilentus Elmer Ivan Applegate 1932-7-9 7617 Modoc N slope of Bidwell Mountain. Comment
  JEPS11267  Penstemon gracilentus W. L. Jepson 1918-8-7 7872 Modoc Mt. Bidwell 2377 Comment
  HSC12276  Penstemon gracilentus R. W. Spjut 1970-7-22 889 Modoc N Warner Mtns., 10 mi. from Lake City, road to Plum Valley Campground 2195 Comment
  JEPS27627  Penstemon gracilentus Frances D. Payne 1929-7-7 53 Modoc sw Warren Peak (Pine Creek Basin); Warner Range, Pine Creek Basin 2133 Comment
  RSA504843  Penstemon gracilentus Bruce Bartholomew, B. Anderson 1988-7-21 4472 Modoc Vicinity of Patterson Campground, Southern end of the Warner Mountains. 668 Comment
  RSA149144  Penstemon humilis I. L. Wiggins, Dorothy Wiggins 1961-6-15 16503 Modoc 22 mi. W of Canby, along Highway 139 Comment
  CAS-BOT-BC245523  Penstemon humilis var. humilis Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-15 16496 Modoc SE flank of Glass Mt., near Modoc-Siskiyou county line. Comment
  CAS-BOT-BC245527  Penstemon humilis var. humilis Mrs. H. C. Cantelow 1935-6-8 982 Modoc N of Canby. Comment
  CAS-BOT-BC232501  Penstemon roezlii Mrs. H. C. Cantelow 1940-6-1 4471 Modoc Cedar Pass. 1935 Comment
  CAS-BOT-BC245566  Penstemon roezlii Francis Dorris Payne 1929-6-28 29 Modoc Parker Creek. 1584 Comment
  CAS-BOT-BC245569  Penstemon roezlii K. Paulson; Robert Paulson 1988-6-11 20 Modoc Barnes Graden, Crowser Flat Rd to Devil's Garden. 1432 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
  NY650093  Penstemon roezlii N. H. Holmgren 1978-6-8 8882 Modoc Top of mesa, 7.3 km (4.5 miles) airline distance west of Alturas on Crowder Flat road. 1460 Comment
  NY650108  Penstemon roezlii A. J. Cronquist 1959-6-20 8529 Modoc On the east slope of the Warner Mountains, near Fandango Pass. 1828.8 Comment
  SFV17481  Penstemon roezlii P. Wilson 1998-7-20 3539 Modoc About 1 mile north of Cedar Pass off Highway 299. 1900 Comment
  UC887105  Penstemon roezlii C. L. Hitchcock 1940-5-28 6719 Modoc 15 mi n Alturas ((near Surprise)); n of Alturas (near Surprise) 1402 Comment
  NY650097  Penstemon roezlii M. J. Williams 1988-5-30 8826- 7 Modoc Jess Valley, east of Likely, south of southeast rest 1524.0 Comment
  NY650126  Penstemon roezlii R. M. Austin 07 1898 2361 Modoc Comment
  UC748151  Penstemon roezlii Annie M. Alexander and Louise Kellogg 1946-6-17 4788 Modoc 10 mi ne Alturas (in open plain); Cedar Pass road, ne of Alturas Comment
  CAS-BOT-BC245491  Penstemon rydbergii var. oreocharis Elmer Ivan Applegate 1932-7-9 7595 Modoc N side of Bidwell Mountain. Comment
  CAS-BOT-BC245498  Penstemon rydbergii var. oreocharis Alice Eastwood; John Thomas Howell 1940-6-12 8065 Modoc Between Likely and Jess Valley. Comment
  CAS-BOT-BC245501  Penstemon rydbergii var. oreocharis K. Paulson; Robert Paulson 1989-6-14 126 Modoc Ca. 1.5 mi. S of Davis Creek. 1402 Comment
  CAS-BOT-BC245508  Penstemon rydbergii var. oreocharis Bruce Bartholomew 1991-6-23 5874 Modoc W side of Ingall Swamp, Devil's Garden. 1510 Comment
  HSC80749  Penstemon rydbergii var. oreocharis G. M. Riegel 1980-7-2 816 Modoc S Warner Mtns. 1829 Comment
  UC102984  Penstemon rydbergii var. oreocharis Mrs. R. M. Austin 1894-1 180 Modoc Goose Lake Valley Comment
  UC71748  Penstemon rydbergii var. oreocharis Mrs. M. H. Manning Jul 1903 214 Modoc Tamarack Flat Mt. Bidwell, Tamarack Flat (Mt. Bidwell, ne Modoc County) 2133 Comment
  CAS-BOT-BC245547  Penstemon speciosus Elmer Ivan Applegate 1939-7-9 7579 Modoc Bidwell Mountain. Comment
  CAS-BOT-BC245559  Penstemon speciosus L. Mott 1976-5-29 4 LM76 Modoc Devil's Garden, N of Alturas. 1402 Comment
  UC887337  Penstemon speciosus C. L. Hitchcock 1940-5-27 6666 Modoc 15 mi ne Alturas (on sagebrush knoll); ne of Alturas 1615 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
  UC726127  Penstemon speciosus A. A. Heller 1941-6-25 16204 Modoc on the Cedarville Road steep slope just below the beginning of the ascent to Cedar Pass 1935 Comment
  CAS-BOT-BC214728  Peraphyllum ramosissimum Mrs. H. C. Cantelow 1940-5-3 s.n. Modoc 3 mi. E of Canby. Comment
  CHSC67700  Peraphyllum ramosissimum James D. Jokerst 1983-5-31 1815 Modoc Near Hwy. 395 S of Alturas at the base of the upper ramparts of the butte just S of Signal Butte. 1341 Comment
  JEPS126021  Peraphyllum ramosissimum C. S. Campbell 2008-5-23 08 -029 Modoc Hwy 299, about 6 miles east of Alturas Comment
  POM312890  Peraphyllum ramosissimum Malcolm A. Nobs, S. Galen Smith 1949-5-29 766 Modoc East of Kelley Hot Springs. Comment
  UC1191506  Peraphyllum ramosissimum Malcolm A. Nobs and S. Galen Smith 1949-5-29 766 Modoc e of Kelley Hot Springs Comment
  SBBG2991  Peraphyllum ramosissimum H. and M. Dearing 1939-6-7 3587 Modoc W of Alturas 1310 Comment
  NY1102247  Perideridia bolanderi subsp. bolanderi L. C. Wheeler 1935-8-16 3881 Modoc Dismal Swamp, Twenty Mile Creek, Warner Mountains 2225 Comment
  UC711870  Perideridia bolanderi subsp. bolanderi Roxana S. Ferris and Laura Lorraine 1941-8-14 10581 Modoc 3 mi from Patterson Ranger Station (on road to Eagleville); Modoc National Forest, Warner Mountains Comment
  CAS-BOT-BC15717  Perideridia oregana Leland S. Smith 1922-6-5 1248 Modoc Stone Coal Valley. 1310 Comment
  JEPS5966  Perideridia oregana Frances D. Payne 1931-7-4 311 Modoc Parker Creek Warner Mountains 1584 Comment
  CHSC109677  Persicaria amphibia Lowell Ahart; John Dittes 2012-7-10 18327 Modoc On the drying north side of the drainage, east of the fence, northwest of the old homestead, Ash Creek State Wildlife Area, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  CHSC106206  Persicaria lapathifolia Lowell Ahart; John Dittes 2010-8-31 17080 Modoc On the north side of a wash, near pond, about 50 yards east of the fence, south edge of the meadow, Ash creek State Wildlife aArea, 2300 feet north of Lassen County Linee, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  CAS-BOT-BC218155  Persicaria maculosa Bruce Bartholomew 1990-8-3 5603 Modoc Ash Creek Wildlife Refuge, ca. 2.5 km S of County Road 87 and 7 km W of Adin. 1250 Comment
  UC1051789  Phacelia L. R. Heckard 1952-6-19 312 a Modoc just below summit of Fandango Pass (sw of Fort Bidwell); Warner Mountains 1828 Comment
  JEPS124309  Phacelia egena Lowell Ahart, John Dittes 2015-7-15 20339 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
  CAS-BOT-BC179276  Phacelia glandulifera Bruce Bartholomew 1991-5-24 5715 Modoc Surprise Valley, 7.7 km NE of County Rd. 37 on County Rd. 38, at the Nevada State boundary. 1370 Comment
  SJSU11217  Phacelia hastata J. W. Tilden 1958-6-25 1266 Modoc near Monument Hdqtrs, Lava Beds National Monument Comment
  CAS-BOT-BC179258  Phacelia hastata subsp. hastata Barrett Anderson 1986-7-9 3153 Modoc Hwy 299 just W of Cedar Pass. 1920 Comment
  CAS-BOT-BC179261  Phacelia hastata subsp. hastata Bruce Bartholomew; Barrett Anderson 1988-6-23 4267 Modoc 1.8 km WSW of Day on County Road 94. 1170 Comment
  CAS-BOT-BC179268  Phacelia hastata subsp. hastata Alice Eastwood; John Thomas Howell 1940-6-13 8174 Modoc Cedarville. Comment
  CAS-BOT-BC180006  Phacelia heterophylla subsp. virgata Annie Montague Alexander; L. Kellogg 1946-6-28 4862 Modoc Pine Creek Canyon. 1615 Comment
  CAS-BOT-BC180010  Phacelia heterophylla subsp. virgata Roxana Stinchfield Ferris; R. Duthie 1919-6-15 85 Modoc Above Parker Creek. 1676 Comment
  UC24490  Phacelia heterophylla subsp. virgata M. S. Baker and Frank Nutting 1894-6-8 Modoc Little Hot Spring Valley Comment
  RSA165589  Phacelia heterophylla subsp. virgata Clare B. Hardham 1921-6-19 7851 Modoc Davis Creek. Comment
  UC1051773  Phacelia heterophylla subsp. virgata L. R. Heckard 1952-6-19 312 Modoc just below summit of Fandango Pass (sw of Fort Bidwell); Warner Mountains 1828 Comment
  JEPS4038  Phacelia humilis Frances D. Payne 1929-7-26 119 Modoc 2 mi sw Warren Peak; Warner Mts., Pine Creek Basin 2133 Comment
  UC748322  Phacelia humilis Annie M. Alexander and Louise Kellogg 1946-6-5 4660 Modoc s Eagleville; Warner Mountains, Emerson Creek 1783 Comment
  CDA40368  Phacelia humilis John Elliot 1975-8-3 150 Modoc Benton Meadows, Modoc National Forest, north of Lake City. 0 Comment
  HSC81100  Phacelia humilis G. M. Riegel 1979-7-3 476 Modoc South Warner Mtn. 1670 Comment
  CAS-BOT-BC179976  Phacelia humilis var. humilis Elmer Ivan Applegate 1932-8-1 7963 Modoc Mill Creek Meadow, W slope of Warner Mts. Comment
  CAS-BOT-BC179986  Phacelia humilis var. humilis K. Paulson; Robert Paulson 1989-6-14 128 Modoc Ca. 1.5 mi. NE of Cedar Pass, Warner Mts. 1905 Comment
  CAS-BOT-BC179989  Phacelia humilis var. humilis Elmer Ivan Applegate 1897-6-4 874 Modoc Near Likely. Comment
  CAS-BOT-BC248337  Phacelia humilis var. humilis B. Bartholomew; H. Sun 2002-6-24 8811 Modoc Ridge top just S of Manzanita Mt. and 15.3 straight line km NW of Aden 2070 Comment
  POM260003  Phacelia humilis var. humilis C. L. Hitchcock 1940-5-27 6678 Modoc 15 miles NE of Alturas. 1616 Comment
  RSA152451  Phacelia humilis var. humilis I. L. Wiggins, Dorothy Wiggins 1961-6-12 16416 Modoc Near summit of Cedar Pass, between Alturas and Cedarville. 1936 Comment
  CAS-BOT-BC179968  Phacelia inundata Bruce Bartholomew 1991-5-24 5708 Modoc Surprise Valley, E of Eagleville at the Nevada State boundary. 1520 Comment
  SEINET3158188  Phacelia linearis M. S. Baker 1899-1 sn Modoc Forestdale Comment
  CAS-BOT-BC179951  Phacelia linearis C. C. (Mrs.) Bruce 1899-7-1 2193 Modoc Hills. Comment
  RSA42002  Phacelia linearis H. C. Cantelow 1940-6-2 3231 Modoc West of Alturas, road to Lava Beds National Monument. Comment
  RSA74336  Phacelia linearis Milo S. Baker 1936-6-14 8316 Modoc Near Quarintine Station Highway, between Canby and Malin, Oreg. Comment
  CAS-BOT-BC179942  Phacelia mutabilis Alice Eastwood; John Thomas Howell 1940-6-12 8042 Modoc Between Likely and Jess Valley. Comment
  CAS-BOT-BC179944  Phacelia mutabilis Annie Montague Alexander; L. Kellogg 1946-6-12 4735 Modoc Fandango Pass road. 1676 Comment
  SEINET5506815  Phacelia purpusii M. J. Williams 1968-6-1 s.n. Modoc Warner Mountains, Cedar Pass 1920 Comment
  CAS-BOT-BC179937  Phacelia ramosissima var. eremophila Annie Montague Alexander; L. Kellogg 1946-6-7 4943 Modoc Eight Mile Creek. 1752 Comment
  POM127617  Phacelia sericea M. French Gilman 606 Modoc [No location information on label.] 2134 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-BC179922  Phacelia tetramera Bruce Bartholomew 1995-5-13 6903 Modoc E of Eagleville near Eagleville Airport, S end of Surprize Valley. 1390 Comment
  CAS-BOT-BC179924  Phacelia tetramera Bruce Bartholomew; M; M. Gilbert; L. E. Skog 1993-5-10 6463 Modoc Near Eagleville Airport, E side of Surprise Valley. 1400 Comment
  NY1056749  Phacelia tetramera E. Palmer 1995-6-2 6936 Modoc 6.4 km east of Eagleville, south end of Surprise Valley 1380 Comment
  CAS-BOT-BC179909  Phacelia thermalis John Thomas Howell 1934-6-30 12270 Modoc Duncan Horse Camp. 1355 Comment
  JEPS101028  Phacelia thermalis Dean W. Taylor 1988-8-11 10041 Modoc near Lone Pine Lake 1383 Comment
  UC1037187  Phalaris arundinacea Leo Whitney 1935-7-2 3565 Modoc Alturas Comment
  CHSC30529  Phleum alpinum N. E. H. Prouty 1979-8-4 95 .1 Modoc SW corner of Medicine Lake. In meadow next to lake. 2011 Comment
  HSC80828  Phleum alpinum G. M. Riegel 1980-8-7 1009 Modoc S Warner Mtns. 2100 Comment
  JEPS74042  Phleum alpinum Frances D. Payne 1932-7-1 664 Modoc 2 mi sw Mt. Warren (Pine Creek Basin southeastern Modoc County); sw of Mt. Warren, Pine Creek Basin Comment
  CHSC117250  Phleum pratense Lowelll Ahart; John Dittes 2016-7-16 21248 Modoc Between the first pond and the second going west, south of Ash Creek Canal (now filled in), south of Ash Creek, Ash Creek Staate Wildlife Area, 0.79 miles (air) west of Adin, Big Valley. 1273 Comment
  HSC2313  Phleum pratense M. T. Milligan 1964-7-20 156 Modoc N end of Jess Valley, near Mill Creek. 1677 Comment
  POM313149  Phleum pratense H. L. Mason, Verne Grant 1947-7-10 13358 Modoc 1/4 mile west of Dorris Reservoir; 2 miles east of Alturas Comment
  UC1100414  Phleum pratense Herbert L. Mason and Verne Grant 1947-7-10 13358 Modoc 2 mi e Alturas (1/4 mi w of Dorris Reservoir); w of Dorris Reservoir Comment
  SJSU13878  Phlox caespitosa N. A. Hopkins 1985-5-14 1726 Modoc by rd between Alturas & Cedarville, Warner Mts 1524 Comment
  CAS-BOT-BC197944  Phlox diffusa C. L. Hitchcock 1940-5-28 6730 Modoc Near Surprise, 15 mi. N of Alturas. Comment
  CAS-BOT-BC197951  Phlox diffusa C. C. (Mrs.) Bruce 1893-6-1 89 Modoc Davis Creek. Comment
  RSA11971  Phlox diffusa subsp. diffusa Elmer I. Applegate 1932-7-9 7572 Modoc North slope of Bidwell Mountain, Warner Mountains Comment
  JEPS2796 Image available Phlox douglasii Mrs. C. C. Bruce 1898-7-1 2331 Modoc head Davis Creek; ; Head of Davis Creek, Modoc Co. Comment
  CAS-BOT-BC197922  Phlox douglasii subsp. rigida Elmer Ivan Applegate 1932-8-3 8127 Modoc Arid summit of Eagle Peak. 3017 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-BC197942  Phlox douglasii subsp. rigida M. M. Hanna 1956-6-3 939 Modoc Highway between Alturas and Cedarville. Comment
  POM260319  Phlox douglasii subsp. rigida C. L. Hitchcock 1940-5-28 6730 Modoc near Surprise, ca. 15 miles north of Alturas. 1402 Comment
  UC748261  Phlox douglasii subsp. rigida Annie M. Alexander and Louise Kellogg 1946-6-27 4845 Modoc 2 mi by road from Dismal Swamp (n end of Warner Mountains); Warner Mountains, Highgrade 1889 Comment
  RSA0009310  Phlox douglasii subsp. rigida Mrs. R. M. Austin 536 Modoc Goose Lake Valley. Comment
  SEINET3134806  Phlox gracilis E. K. Balls 1950-5-12 14659 Modoc Bucks Creek Ranger Station, Modoc Natl. For., E of Goose Lake 1676 Comment
  CAS-BOT-BC197885  Phlox hoodii subsp. canescens Bruce Bartholomew; M; M. Gilbert; L. E. Skog 1993-5-10 6473 Modoc 1.9 km NE of Fee Reservoir Road on Barrel Spring Road, N end of Surprise Valley. 1670 Comment
  CAS-BOT-BC197890  Phlox hoodii subsp. canescens Alice Eastwood; John Thomas Howell 1940-6-14 8239 Modoc Between Mammoth Cave and Lava Beds Nat. Mon. Comment
  HSC26501  Phlox hoodii subsp. canescens J. P. Smith, J. O. Sawyer 1972-5-6 5253 Modoc County Rd. 86, just E of Adin. 1098 Comment
  RSA59854  Phlox hoodii subsp. lanata E. K. Balls 1950-5-15 14700 Modoc 6 miles SW of Dry Lake Ranger Station, along railroad. 1280 Comment
  RSA550546  Phlox speciosa subsp. occidentalis Bruce Bartholomew 1992-5-17 6344 Modoc SW side of White Horse Mountains, SW of White Horse Flat Reservoir 1460 Comment
  CAS-BOT-BC197867  Phlox stansburyi Belknap C. Goldsmith 1912-5-8 45 Modoc 8 mi. NW of Alturas. Comment
  CAS-BOT-BC197872  Phlox stansburyi Bruce Bartholomew 1991-5-24 5727 Modoc 2.9 km NE of road between Fort Bidwell and Fee Reservoir on road to Big Mud Lake. 1680 Comment
  CAS-BOT-BC197874  Phlox stansburyi Bruce Bartholomew; Barrett Anderson 1988-5-14 4189 A Modoc 7 km S of turn off to Crowder Flats along West Side Road, W side of Goose Lake. 1410 Comment
  RSA165573  Phlox stansburyi Clare B. Hardham 1961-6-18 7806 Modoc 3.3 miles southwest of Cedar Pass Road 1372 Comment
  CHSC118079  Phlox stansburyi var. brevifolia L. P. Janeway 2016-5-18 12052 Modoc Modoc Plateau. Between Goose Lake and the Devils Garden area; uplands along southwest side of Goose Lake about 2.1 air-km southwest of north end of Road 48 causeway across the lake. 1434 Comment
  CAS-BOT-BC58304  Phoenicaulis cheiranthoides Annie Montague Alexander; L. Kellogg 1946-6-26 4834 Modoc Dismal Swamp, N end of Warner Mts. 2255 Comment
  CAS-BOT-BC58319  Phoenicaulis cheiranthoides Bruce Bartholomew; Barrett Anderson 1988-5-13 4152 Modoc Along Parker Creek Road, 0.5 km W of West Warner Road on Parker Creek Road, W side of the Warner Mts.. 1650 Comment
  CAS-BOT-BC58580  Phoenicaulis cheiranthoides E. S. Willits 1940-4-16 185 Modoc Foothills above Willow Ranch, Highway 295. Comment
  HSC26512  Phoenicaulis cheiranthoides J. P. Smith, J. O. Sawyer 1972-5-6 5250 Modoc County Rd. 86, just E of Adin. 1098 Comment
  JEPS15392  Phoenicaulis cheiranthoides Franklin P. Nutting 1892-8-15 Modoc Forestdale Comment
  POM260187  Phoenicaulis cheiranthoides C. L. Hitchcock 1940-5-27 6673 Modoc 15 miles northeast of Alturas. 1616 Comment
  RSA120962  Phoenicaulis cheiranthoides Milo S. Baker 1936-6-14 8349 Modoc Near summit of Cedar Pass. 1936 Comment
  UC1299645  Phoenicaulis cheiranthoides Freed W. Hoffman 1955-7-14 4099 Modoc Cedar Pass, 6.0 mi e of junction of highways 395 and 8A, Modoc National Forest Cedar Pass; Warner Mountains, Modoc National Forest, Cedar Pass 1524 Comment
  UCD116140  Phoenicaulis cheiranthoides R. N. Raynor 1940-4-13 s.n. Modoc Joseph Creek. Comment
  CAS-BOT-BC135158  Phoradendron juniperinum Francis D. Payne 1935-7-28 804 Modoc Parker Creek 1676 Comment
  CHSC117014  Pilularia americana Lowell Ahart; John Dittes 2016-6-6 20956 Modoc About 100 yards east of the Parking Area, about one mile south of the intersection of County Road 87 and Access Road to Pilot Butte Parking Area 3.8 miles (air) east of Lookout, 7.5 miles (air) west of Adin, Ash Creek State Wildlife Area. 1271 Comment
  RSA6893  Pinus albicaulis Elmer I. Applegate 1932-7-9 7587 Modoc Near summit of Bidwell Mountain, Warner Range. Comment
  UC401393  Pinus albicaulis W. P. Taylor and H. C. Bryant 1910-7-1 Modoc Summit of Warren Pk. Warner Mountains, Summit of Warren Pk. 2926 Comment
  CAS-BOT-BC30200  Pinus contorta subsp. murrayana Bruce Bartholomew 1990-8-5 5686 Modoc Summit Trail, ca. 2 km N of Patterson Ranger Station, W side of Warner Mts. 2400 Comment
  POM120072  Pinus contorta var. murrayana Mrs. R. M. Austin 1895-08 267 Modoc Goose Lake Comment
  POM203789  Pinus contorta var. murrayana J. T. Howell 1934-6-14 12108 Modoc Near Lost Lake, Warner Mts. 2439 Comment
  CAS-BOT-BC30157  Pinus lambertiana Belknap C. Goldsmith 1912-7-5 62 Modoc Widow Valley, 15 mi. W of Lookout (Big Valley). 1402 Comment
  UC705550  Pinus monticola Marion Ownbey, Fred G. Meyer 1940-7-1 2153 Modoc near summit Clear Peak; Warner Mts, Clear Peak Comment
  SEINET11737408  Pinus monticola M. Ownbey, Meyer, F. G. 1940-1 2153 Modoc near summit of Clear Peak, Warner Mountains Comment
  CAS-BOT-BC79037  Pinus ponderosa Frances D. Payne 1932-7-3 676 Modoc Parker Creek 1584 Comment
  CAS-BOT-BC79038  Pinus ponderosa John Thomas Howell 1934-6-16 12205 A Modoc Parker Creek, Warner Mts. 1584 Comment
  HSC80916  Pinus ponderosa G. M. Riegel 1979-8-23 700 Modoc S Warner Mtns. 1670 Comment
  CAS-BOT-BC242223  Piperia unalascensis Leland S. Smith 1922-7-20 1302 Modoc Field redacted by CAS, contact the data manager for more information 1905 Comment
  CAS-BOT-BC58787  Plagiobothrys bracteatus Milo Samuel Baker; Franklin P. Nutting 1894-6-4 Modoc Little Hot Spring Valley. Comment
  JEPS60934  Plagiobothrys cusickii Frances D. Payne 1935-7-19 796 Modoc s and e of Alturas (Mouth of Dry Creek, tributary of Parker Creek); Warner Mountains, Parker Creek, Mouth of Dry Creek Comment
  JEPS127158  Plagiobothrys hispidulus Lowell Ahart, John Dittes 2016-7-16 21255 Modoc South of Ash Creek State, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.7 miles (air) west of Adin Big Valley. Comment
  JEPS13889  Plagiobothrys hispidulus Rimo Bacigalupi with L. R. Heckard, R. D. Sanderson, and G. Bacigalupi 1952-6-18 3743 Modoc at railroad crossing 3/4 mi e Canby (along US Hwy 299) 1310 Comment
  CAS-BOT-BC58788  Plagiobothrys hispidus John Thomas Howell 1934-6-13 12067 Modoc Fandango Pass. 1828 Comment
  CAS-BOT-BC58792  Plagiobothrys leptocladus Louis Cutter Wheeler 1935-8-25 3917 Modoc Rim Rock Valley, Devil's Garden. 1524 Comment
  CAS-BOT-BC58794  Plagiobothrys leptocladus Alice Eastwood; John Thomas Howell 1940-6-13 8165 Modoc Surprise Valley, 6 mi. S of Fort Bidwell. Comment
  POM312624  Plagiobothrys mollis H. L. Mason 1947-8-9 13475 Modoc East side of Fairchild Swamp, north of Alturas Comment
  POM204140  Plagiobothrys mollis J. T. Howell 1934-6-15 12197 Modoc Alturas. Comment
  CAS-BOT-BC248342  Plagiobothrys nitens B. Bartholomew; H. Sun 2002-6-24 8825 Modoc S end of Sweagert flat ca. 15.3 straight line km WNW of Aden 1820 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-BC58749  Plagiobothrys scouleri Louis Cutter Wheeler 1935-8-16 3865 Modoc Dismal Swamp, Modoc National Forest 2225 Comment
  CAS-BOT-BC58750  Plagiobothrys scouleri Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-15 16513 Modoc 13 mi. W of Canby, along Hwy 139. Comment
  CAS-BOT-BC58758  Plagiobothrys scouleri Herbert Louis Mason; Verne Grant 1947-7-12 13415 Modoc Pit River Valley, S of Alturas. Comment
  UC1560400  Plagiobothrys scouleri E. Joyal and D. Mehlman 1988-6-27 1287 Modoc Jess Valley Warner Mts. 1500 Comment
  SEINET10546952  Plagiobothrys scouleri var. hispidulus David B. Dunn, Paul Gallian 1971-6-2 Dunn 17775 Modoc 9 mi SW of Canby on CA Hwy 299, in decomposed granite; in Artemesia, very moist season of year with melting patches of snow. Pinus ponderosa-juniper assoc. 30-40 slope. 1463 Comment
  SD130520  Plagiobothrys stipitatus var. micranthus B. Bartholomew, B. Anderson 1988-6-23 4250 Modoc 4.2 km northwest of Day. 1020 Comment
  POM312571  Plagiobothrys stipitatus var. micranthus H. L. Mason, Verne Grant 1947-7-12 13410 Modoc West side of Pit River Valley S of Alturas. Comment
  UCR37817  Platanthera dilatata var. leucostachys O. Ballantyne 1983-7-18 s.n. Modoc Warner Mtn., Tributary of North Fork of East Creek 1585 Comment
  CAS-BOT-BC242208  Platanthera stricta Bruce Bartholomew 1989-8-11 5075 Modoc Field redacted by CAS, contact the data manager for more information 1920 Comment
  UC416766  Plectritis macrocera Mrs. M. H. Manning 1905-5-14 Modoc Joseph Creek, in north-eastern Modoc County Joseph Creek Comment
  UC912461  Plectritis macrocera F. H. Frost 1925-5-24 3 Modoc Steamboat Canyon Comment
  UC1018936  Plectritis macrocera Lois Hoit 1938-1 Modoc Cedar Mountain Comment
  JEPS36545  Pleiacanthus spinosus W. L. Jepson 1918-8-9 7918 Modoc Ft. Bidwell 1432 Comment
  UC748196  Pleiacanthus spinosus Annie M. Alexander and Louise Kellogg 1946-7-5 4910 Modoc Lava Cliff, west Lower Lake. Comment
  UC1024974  Poa annua Leo Whitney 1935-7-6 3428 Modoc Crank Springs Comment
  CAS-BOT-BC247588  Poa bolanderi Leland S. Smith 1922-7-20 1284 Modoc Rush Creek Ranger Station. 1905 Comment
  CAS-BOT-BC255129  Poa cusickii Isabel T. Kelly 1930-1-1 22 Modoc Unspecified Comment
  HSC38840  Poa palustris J. P. Smith, J. O. Sawyer 1973-8-9 7277 Modoc Blue Lake, Modoc National Forest 1829 Comment
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Jul 11 2013
  CAS-BOT-BC247612  Poa pratensis subsp. pratensis Roxana Stinchfield Ferris; R. Duthie 1919-6-13 50 Modoc Parker Creek near Modoc National Forest boundary. Comment
  CAS-BOT-BC247614  Poa pratensis subsp. pratensis Bruce Bartholomew 1990-6-17 5308 Modoc Vicinity of Emerson Camp near roadhead, E side of Warner Mts. 1750 Comment
  JEPS120882  Poa pratensis subsp. pratensis Lowell Ahart, John Dittes, Todd Sloat 2013-6-8 18767 Modoc About 300 yards NE of the Parking Area, NE of the old barn, Ash Creek Wildlife Area, about 3.9 air miles W of Adin, about 7.7 air miles NE of Bieber, Big Valley. Comment
  UC711805  Poa pratensis subsp. pratensis Roxana S. Ferris and Laura Lorraine 1941-8-13 10532 Modoc Patterson Ranger Station (East Creek drainage) Patterson Ranger Station; Modoc Nat'l Forest, Warner Mts 2164 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
  RSA602386  Poa secunda L. C. Wheeler 1935-8-2 3742 Modoc Dismal Swamp, Twenty Mile Creek; Warner Mountains 2226 Comment
  UCD92166  Poa secunda subsp. juncifolia Beecher Crampton 1954-7-6 2085 Modoc 4 miles N of Likely, along US Hwy 395. Comment
  UCD92395  Poa secunda subsp. juncifolia A. H. Shunk 1923-7-26 s.n. Modoc Modoc and Siskiyou County: Tule Lake. Comment
  UCD92431  Poa secunda subsp. juncifolia L. Whitney 1935-5-26 3157 Modoc Ash Creek, 10 miles E of Adin. Comment
  UC1024996  Poa secunda subsp. secunda Leo Whitney 1935-7-7 3393 Modoc 4 mi nw Canby (Howard Gulch) Comment
  UCD32705  Poa secunda subsp. secunda Beecher Crampton 1954-7-7 2131 Modoc W side of Cedar Pass, Warner Mountains. 1889 Comment
  UCD92095  Poa secunda subsp. secunda L. Whitney 1935-5-26 3156 b Modoc Ash Creek, 10 miles E of Adin. Comment
  CAS-BOT-BC252522  Poa wheeleri Bruce Bartholomew; Barrett Anderson 1989-6-1 4767 Modoc South Fork Davis Creek in the vicinity of the Plum Valley camp ground. 1720 Comment
  CAS-BOT-BC252524  Poa wheeleri Elmer Ivan Applegate 1932-7-31 7989 Modoc Mill Creek Meadows, Warner Mts. Comment
  UC1037158  Poa wheeleri Leo Whitney 1935-7-7 3380 Modoc 4 mi nw Canby (Howard Gulch) Comment
  CAS-BOT-BC179347  Pogogyne floribunda James D. Jokerst 1990-7-31 3204 Modoc Ca. 2 mi. SE of Doublehead Mountain. 1371 Comment
  UC1561019  Pogogyne floribunda Dean W. Taylor 1988-8-11 10039 Modoc near Lone Pine Lake (ca. 6 miles S of Clear Lake Reservoir) NE1/4 of NW1/4 (Hackmore 15' quadrangle, on road to Davis Spring. 1380 Comment
  CAS-BOT-BC95165  Polanisia dodecandra subsp. trachysperma Leland S. Smith 1918-9-29 1057 Modoc Granger Canyon, Suprise Valley. 1676 Comment
  CAS-BOT-BC95166  Polanisia dodecandra subsp. trachysperma E. S. Willits 1939-10-10 156 Modoc Surprise Valley. Comment
  RSA0068909  Polemoniaceae Austin 1897-07 s.n. Modoc Goose Lake Comment
  CAS-BOT-BC232871  Polemonium Ethel S. Willits 1940-5-6 223 Modoc Near Lassen Creek, Willow Ranch 1371 Comment
  CAS-BOT-BC197849  Polemonium micranthum Bruce Bartholomew 1991-5-25 5748 Modoc Near Gas Drum Flat, between Blue Mountain and Howard Gulch. 1570 Comment
  JEPS114685  Polemonium micranthum Lowell Ahart, John Dittes 2008-6-21 14981 Modoc North of the large culvert, 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
  UC71716  Polemonium micranthum Mrs. M. H. Manning 1903-4-12 69 Modoc near Fort Bidwell (north-eastern Modoc County); near Fort Bidwell Comment
  CAS-BOT-BC197853  Polemonium occidentale Bruce Bartholomew 1994-7-2 6795 Modoc Joseph Creek Basin, W side of the Warner Mountains. 1650 Comment
  HSC17207  Polemonium occidentale subsp. occidentale M. T. Milligan 1966-7-5 554 Modoc Slopes and ridges E of Jess Valley 1768 Comment
  CAS-BOT-BC197846  Polemonium pulcherrimum var. pilosum C. C. (Mrs.) Bruce 1897-1-1 Modoc Davis Creek. Comment
  POM260727  Polyctenium fremontii Alice Eastwood, J. T. Howell 1940-6-15 s.n. Modoc Near Perez Comment
  SEINET5512254  Polyctenium fremontii J. C. Beatley 1964-1 Modoc Tule Lake area NTS Herbarium coll. Drainage area: Tule Lake 1829 Comment
  UC6756  Polygonum amphibium var. emersum Milo S. Baker 1893-6 Modoc Egg Lake Comment
  SEINET4936529 Image available Polygonum austinae Unknown 1885-1 s.n. Modoc Goose Lake Valley [Modoc County, on the northern border of the State] Comment
  RSA599749  Polygonum aviculare Louis C. Wheeler 1935-8-26 3922 Modoc Modoc Plateau: 1 mi. northwest of Mud Lake, Devil's Garden. 1524 Comment
  CHSC117358  Polygonum aviculare subsp. aviculare Lowell Ahart; John Dittes 2016-7-14 21191 A 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
  JEPS127605  Polygonum aviculare subsp. buxiforme L. P. Janeway 2014-7-8 11473 Modoc Modoc Plateau. East corner of Dry Creek Rim; along Road 47N08 (Corral Creek Road) 5.1 road km NNw of Road 48, along the W edge of Goose Lake. Comment
  UC1192347  Polygonum aviculare subsp. buxiforme Verne Grant, Irving Schneider 1947-7-18 8043 Modoc S of Alturas (Eastside Canal, 5 mi N of Bayley's bridge) Comment
  NY404654  Polygonum aviculare subsp. buxiforme L. C. Wheeler 1973-8-23 s.n. Modoc Alturas Comment
  UCD100000  Polygonum aviculare subsp. depressum Verne Grant; Irving Schneider 1947-7-18 8043 Modoc Eastside canal, 5 miles north of Bayley's bridge, south of Alturas. Comment
  CDA2799  Polygonum convolvulus T. C. Fuller 1958-7-8 2019 Modoc Davis Creek. 0 Comment
  CAS-BOT-BC218128  Polygonum douglasii Bruce Bartholomew; Barrett Anderson 1989-6-2 4780 Modoc Top of Fandango pass, Warner Mountains. 1870 Comment
  CAS-BOT-BC218136  Polygonum douglasii John Thomas Howell 1934-6-30 12276 Modoc Duncan Horse Camp. 1355 Comment
  SEINET516151  Polygonum douglasii Vernon H. Oswald 1998-9-8 9589 Modoc County Rd. 93 adjacent to the RR at Lookout Junction northwest of Lookout. 1280 Comment
  CHSC71884  Polygonum douglasii subsp. spergulariiforme Vernon H. Oswald; Lowell Ahart 1998-9-8 9590 Modoc County Rd. 93 adjacent to the RR at Lookout Junction northwest of Lookout. 1280 Comment
  RSA323752  Polygonum kelloggii A. Tiehm 1984-7-30 8829 Modoc 8.9 road miles NE of Ft. Bidwell on the main road to Adel, just past the road summit. 1616 Comment
  POM104438  Polygonum persicaria R. M. Austin 1895-07 s.n. Modoc Goose Lake Valley. Comment
  CAS-BOT-BC218162  Polygonum polygaloides Bruce Bartholomew; Barrett Anderson 1990-7-19 5432 Modoc Sweagert Flat. 1860 Comment
  CAS-BOT-BC218164  Polygonum polygaloides Bruce Bartholomew; Barrett Anderson 1989-6-3 4851 Modoc 6.4 km N of State Hwy 299 on Crowder Flat Road and ca. 5.5 km S of Big Sage Reservoir. 1550 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
  UCD77936  Polygonum polygaloides subsp. confertiflorum Robert E. Preston 2000-7-19 1422 Modoc Ca. 9 mi nw of Canby, on n side of Hwy 139, 2.0 mi w of Forest Service Rd 46N10. 1488 Comment
  CAS-BOT-BC218177  Polygonum polygaloides subsp. esotericum Alice Eastwood; John Thomas Howell 1940-6-14 8228 Modoc 8 mi. NW of Canby. Comment
  CHSC117817  Polygonum polygaloides subsp. esotericum L. P. Janeway 2016-5-16 11975 Modoc Modoc Plateau. Devils Garden area; along Road 47N07 1.8 road-km south of Road 181/73/47N09. 1573 Comment
  JEPS98244  Polygonum polygaloides subsp. esotericum R. E. Preston 2000-7-18 1416 Modoc Hog Lake 1499 Comment
  RSA601431  Polygonum polygaloides subsp. esotericum Louis C. Wheeler 1935-8-25 3919 Modoc Devil's Garden: Rimrock Valley Reservoir. 1524 Comment
  UCD77947  Polygonum polygaloides subsp. esotericum Robert E. Preston 2000-7-18 1409 Modoc Ca. 14 mi nw of Canby, on n side of Hwy 139, 0.4 mi w of Forest Service Rd 44N11. 1467 Comment
  CAS-BOT-BC218183  Polygonum polygaloides subsp. kelloggii Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10553 Modoc Patterson Ranger Station (East Creek drainage), Warner Mts. 2164 Comment
  HSC81000  Polygonum polygaloides subsp. kelloggii G. M. Riegel 1980-8-11 1031 Modoc S Warner Mtns. 2100 Comment
  UCD77950  Polygonum polygaloides subsp. kelloggii Robert E. Preston 2000-6-1 1359 Modoc Modoc Plateau, along Hwy 139, ca. 3 mi e of Forest Service Road 44N11. 1490 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
  UC1191247  Polygonum sawatchense subsp. oblivium Herbert L. Mason and Verne Grant 1947-7-9 13309 Modoc Cedar Pass Warner Range (summit of range) 1920 Comment
  CAS-BOT-BC218148  Polygonum spergulariiforme Louis Cutter Wheeler 1935-8-26 3922 Modoc Mud Lake, Devil's Garden. 1524 Comment
  POM203795  Polygonum spergulariiforme J. T. Howell 1934-7-1 12326 Modoc Duncan Horse Camp. Comment
  CAS-BOT-BC252509  Polypogon monspeliensis Bruce Bartholomew 1989-8-10 5032 Modoc Little Hot Spring Valley, 3.2 km NW of Day. 1070 Comment
  CAS-BOT-BC252510  Polypogon monspeliensis Bruce Bartholomew 1992-5-15 6283 Modoc Vicinity of Leonard Hot Spring, E side of Surprise Valley. 1370 Comment
  CAS-BOT-BC225102  Populus tremuloides P. F. Covel 1939-8-13 1633 Modoc Highway at Pitt River west of Canby. Comment
  CAS-BOT-BC225104  Populus tremuloides Elmer Ivan Applegate 1932-7-31 7951 Modoc Mill Creek Meadow, Warner Mts. Comment
  SEINET10939151  Porterella carnosula Whitney 1934-5-5 WHITNEY 1691 Modoc Dry stream bed near Hackamore, ca 15 miles northwest of Canby, Modoc National Forest 1463 Comment
  CAS-BOT-BC242201  Potamogeton diversifolius Bruce Bartholomew 1995-7-30 7068 Modoc Drainage from Taylor Reservoir just E of junction of County roads 93 and 94. 1260 Comment
  CAS-BOT-BC242247  Potamogeton epihydrus Verne Grant; I. Schneider 1947-7-21 8127 Modoc North Fork of Pit River by bridge on Hwy 395, N of Alturas. Comment
  POM229195  Potamogeton foliosus L. C. Wheeler 1935-9-1 3933 Modoc Pine Spring, Devil s Garden. 1524 Comment
  CAS-BOT-BC242232  Potamogeton natans Milo Samuel Baker 1899-8-12 s.n. Modoc Egg Lake. Comment
  CAS-BOT-BC242234  Potamogeton natans V. J. Wetherell; J. E. Finzel 1961-8-9 478 Modoc Stowe Reservoir Campground, 1 mi. E of Cedar Pass. 1828 Comment
  UC431  Potamogeton natans Milo S. Baker 1893-6 Modoc Egg Lake Comment
  RSA210788  Potamogeton nodosus Robert F. Thorne, J. Henrickson, C. W. Tilforth 1969-9-4 39129 Modoc N Fork of Pit River 3.4 mi N of Alturas where crossed by Highway 395. 1341 Comment
  UC1100067  Potamogeton nodosus Herbert L. Mason, Verne Grant 1947-7-12 13398 Modoc several mi s of Alturas (by Jones' Lane, off Hwy 3995) Comment
  CAS-BOT-BC242227  Potamogeton pusillus Herbert Louis Mason; Verne Grant 1947-7-11 13382 Modoc Road from Likely to Jess Valley, ca. 1 mi. E of Likely. Comment
  JEPS42992  Potamogeton richardsonii W. L. Jepson 1918-8-5 7823 Modoc near Likely; South Fork Pitt River Comment
  POM313013  Potamogeton richardsonii H. L. Mason, Verne Grant 1947-7-11 13380 Modoc Irrigation ditch on road from Likely to Jess Valley, ca. 1 mile east of Likely. Comment
  UCD138296  Potamogeton richardsonii Herbert L. Mason; Verne Grant 1947-7-11 13380 Modoc on road from Likely to Jess Valley, ca. 1 mile east of Likely. Comment
  CAS-BOT-BC214739  Potentilla drummondii Bruce Bartholomew; Barrett Anderson 1988-7-23 4568 Modoc Dismal Swamp, Warner Mts.. 2180 Comment
  CAS-BOT-BC214741  Potentilla drummondii Bruce Bartholomew 1995-7-31 7109 Modoc Headwaters of the S fork of Davis Creek, E side of the Warner Mountains. 2210 Comment
  JEPS47203  Potentilla fruticosa Frances D. Payne 1931-6-22 300 Modoc southeastern slopes Mt. Warren (Owl Creek, Warner Mountains); Warner Mountains, se slopes Mt. Warren, Owl Creek 2133 Comment
  POM229173  Potentilla glandulosa Louis C. Wheeler 1935-8-8 3810 Modoc Warner Mountains: N Fork Bidwell Creek. 2378 Comment
  CAS-BOT-BC214783  Potentilla gracilis Bruce Bartholomew 1991-7-4 5914 Modoc Roney Flat. 1460 Comment
  CAS-BOT-BC214787  Potentilla gracilis C. C. (Mrs.) Bruce 1899-6-1 75 Modoc Davis Creek. Comment
  CAS-BOT-BC214773  Potentilla gracilis John H. Hatton 1911-6-22 142 Modoc Modoc County. 1615 Comment
  HSC18745  Potentilla gracilis var. fastigiata M. T. Milligan 1964-7-1 102 Modoc Rattlesnake Butte Rd. at Pit River. 1372 Comment
  UC420584  Potentilla gracilis var. fastigiata W. P. Taylor and H. C. Bryant 1910-7-13 Modoc head North Fork Parker Creek Warner Mountains, head North Fork Parker Creek 2225 Comment
  UC545656  Potentilla gracilis var. fastigiata John Thomas Howell 1934-6-12 12029 Modoc Plum Valley Warner Mts., Plum Valley Comment
  POM312886  Potentilla gracilis var. flabelliformis Verne Grant 1947-7-19 8073 Modoc Williams Ranch; along Southern Pacific right-of-way near East Canal, in Pit Valley south of Alturas. Comment
  UC73025  Potentilla gracilis var. flabelliformis Milo S. Baker Aug 1898 513 Modoc Forestdale Comment
  CDA3917  Potentilla norvegica subsp. monspeliensis C. B. Greenbank 1978-8-11 Modoc Tulelake. 0 Comment
  UC1191494  Potentilla rivalis Herbert L. Mason 1947-8-13 13518 Modoc n Canby (ne side of F reservoir); n of Canby, ne side of F reservoir Comment
  RSA0037175  Poteridium annuum Lowell A. Ahart, John Dittes 2012-7-11 18341 Modoc Along a poor mowed road, about 1/2 mile southeast of the Pilot Butte Parking Lot, north edge of Ash Creek floodplain, about 1.5 miles (air) south of County Road 87, about 7.5 miles (air) west of Adin, about 10.2 miles (air) east of Lookout, Big Valley. 1260 Comment
  CAS-BOT-BC179343  Prunella vulgaris Bruce Bartholomew 1989-7-14 4974 Modoc Cedar Spring. 1480 Comment
  POM229189  Prunus andersonii Louis C. Wheeler 1935-8-6 3797 Modoc Pine Creek (town). 1494 Comment
  RSA488044  Prunus andersonii Bruce Bartholomew, B. Anderson 1988-5-13 4140 Modoc N side of Dorris Reservoir, ca. 4 km E of Alturas along Parker Creek Road. 1340 Comment
  NY849283  Prunus emarginata B. M. Bartholomew 1988-7-23 4600 Modoc Pine Creek, 1 km east of U.S. Highway 395 on the road to Lily Lake, Warner Mountains 1550 Comment
  UC12743  Prunus emarginata Mrs. R. M. Austin and Bruce June 1892 2344 Modoc Goose Lake Valley Comment
  JEPS27653  Prunus emarginata L. S. Smith 1917-1 Modoc California Comment
  CAS-BOT-BC214816  Prunus subcordata A. D. Borden 1911-5-20 s.n. Modoc Sugar Hill, NE of Davis Creek. Comment
  CAS-BOT-BC214819  Prunus subcordata Gladys L. Smith; Margaret Williams; Loring Williams; Charles Smith 1983-9-14 8388 Modoc Ft. Bidwell site 0.5 mi. NW of town. 1377 Comment
  UC1075726  Prunus subcordata Robert J. Weatherby 1955-7-8 1630 Modoc 6 mi N of Ft. Bidwell; Warner Mountains 1645 Comment
  UC719794  Prunus subcordata Rogers McVaugh 1941-8-5 6252 Modoc 5.5 mi w of Cedarville (e slope of Warner Mountains); Warner Mountains Comment
  CAS-BOT-BC225012  Prunus virginiana var. demissa Annie Montague Alexander; L. Kellogg 1946-6-9 4706 Modoc Mouth of Eagle Creek Canyon, Warner Mts. Comment
  CAS-BOT-BC225014  Prunus virginiana var. demissa Roxana Stinchfield Ferris; R. Duthie 1919-6-14 129 Modoc Parker Creek below Modoc Nat. Forest Boundary. Comment
  JEPS44906  Prunus virginiana var. demissa L. S. Smith 1919-6-2 1113 Modoc w of Cedarville (Warner Mountains, Deep Creek); Warner Mountains, Deep Creek Comment
  UCSB16353  Prunus virginiana var. demissa Haller, John 1962-6-7 Modoc Little Meadows campground, South Fork of the Pit River, 8 miles east of Likely, 1.5 miles west of the western end of Jess Valley; Warner Mountains 1524 Comment
  CAS-BOT-BC95220  Pseudostellaria jamesiana Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10513 Modoc Patterson Ranger Station (East Creek drainage), Warner Mts. 2164 Comment
  CAS-BOT-BC95227  Pseudostellaria jamesiana John Thomas Howell 1934-6-13 12052 Modoc Fandango Pass, Warner Mts. 1828 Comment
  CAS-BOT-BC95228  Pseudostellaria jamesiana Bruce Bartholomew 1991-7-6 5992 Modoc Vicinity of Happy Camp Lookout, Happy Camp Mountain. 1830 Comment
  CAS-BOT-BC95236  Pseudostellaria jamesiana Robert Patterson; Mona Bourell 1993-8-15 5267 Modoc Warner Mountains. Along trail from Patterson Lake to ca. 2 mi north towards Pepperdine Trailhead. 2743 Comment
  SBBG15278  Pseudostellaria jamesiana H. and M. Dearing 1939-6-8 3600 Modoc Pine Cyn, Warner Mtns 1828 Comment
  SJSU9131  Pseudostellaria jamesiana J. W. Tilden 1958-6-26 1285 Modoc near W side Cedar Pass between Cedarville & Alturas 1828 Comment
  CAS-BOT-BC50381  Psilocarphus brevissimus var. brevissimus Louis Cutter Wheeler 1935-8-25 3920 Modoc Rim Rock Valley, Devil's Garden. 1524 Comment
  SEINET11807642  Psilocarphus elatior Unknown 1984-1 8831 Modoc 8.9 mi NE of Ft. Bidwell on main road to Adel, just past road summit 1615 Comment
  CAS-BOT-BC95683  Pterospora andromedea Bruce Bartholomew; Barrett Anderson 1988-7-21 4436 Modoc Above Upper Rush Creek Campground ca. 4 km E of State Highway 299 between Adin and Canby. 1580 Comment
  HSC65600  Pterospora andromedea Thomas Wood 1979-8-9 234 Modoc Dirt road along Bidwell Creek, 2.7 mi. NW of Jct. with Hwy. 2, N of Fort Bidwell. 1509 Comment
  UC748233  Pterospora andromedea Annie M. Alexander and Louise Kellogg 1946-8-10 5150 Modoc 1/2 mi beyond Porter Reserve road; Warner Mountains Comment
  UCD32678  Puccinellia lemmonii Beecher Crampton 1954-7-6 2084 Modoc Modoc County, 4 miles north Likely, flat along US highway 395. Comment
  UCD91888  Puccinellia lemmonii Beecher Crampton 1954-7-8 2194 Modoc Modoc County, 3 miles west of Alturas, along US highway 299. Comment
  UCD93374  Puccinellia nuttalliana Beecher Crampton 1954-7-8 2197 Modoc Modoc County, 3 miles west of Alturas, along US highway 299. 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
  CAS-BOT-BC218234  Purshia tridentata var. tridentata Bruce Bartholomew; Barrett Anderson 1988-7-21 4447 Modoc Dry hillside, SW side of Jess Valley, Warner Mts.. 1540 Comment
  RSA504846  Purshia tridentata var. tridentata Bruce Bartholomew, B. Anderson 1988-7-21 4447 Modoc SW side of Jess Valley. Warner Mtns. 1540 Comment
  CAS-BOT-BC218227  Purshia tridentata var. tridentata C. C. (Mrs.) Bruce 1899-6-1 54 Modoc Modoc County. Comment
  UC467825  Purshia tridentata var. tridentata M. F. Gilman 622 Modoc hills 1524 Comment
  UC21709  Pyrola asarifolia Mrs. Bruce 1898-1 Modoc Comment
  CAS-BOT-BC95695  Pyrola picta Bruce Bartholomew; Barrett Anderson 1988-7-21 4408 Modoc Whitehorse Mts., 11 km N of Day on the road to Whitehorse Flat Reservoir. 1340 Comment
  CAS-BOT-BC95696  Pyrola picta Bruce Bartholomew 1991-8-4 6022 Modoc Vicinity of Pepperdine Camp Ground, W side of the Warner Mts. 2090 Comment
  SEINET195663  Pyrola picta Unknown 1946-7-4 5068 Modoc Trail to Emerson Camp, Bear Camp Flat, Warner Mountains Comment
  UCR29778  Pyrola picta J. A. Harpel 1981-8-7 V- 59 Modoc Warner Mountains, South Warner Wilderness Area, Pine Creek Basin, trail head along Pine Creek, 9 mi northwest of Eagleville 2744 Comment
  NY188342  Pyrola picta M. S. Baker 1893-7-20 Modoc Comment
  JEPS19220  Pyrrocoma carthamoides var. cusickii W. L. Jepson 1918-8-14 7986 Modoc Jess Valley 1584 Comment
  UC1037320  Pyrrocoma carthamoides var. cusickii Leo Whitney 1934-6-2 1862 Modoc ca 17 mi nw Canby (Badger Wells); Badger Wells Comment
  UC584291  Pyrrocoma carthamoides var. cusickii G. L. Stebbins Jr. and J. A. Jenkins 1937-7-15 2374 Modoc open fields center Round Valley (along state highway) 1066 Comment
  CAS-BOT-BC50399  Pyrrocoma hirta var. lanulosa Leland S. Smith 1920-8-30 3 A Modoc Windmill Flat. 1524 Comment
  CAS-BOT-BC50351  Pyrrocoma lanceolata var. lanceolata John Thomas Howell 1934-6-15 12185 Modoc Alturas. Comment
  SEINET5644361  Quercus kelloggii Christopher Davidson 1975-6-4 2626 Modoc 0.7 mi E of Upper Rush Cr. Camp on dirt rd off Hwy 299 ca. 7 mi N of Adin. Left side of rd, several meters below a roadside seepage area. 5400 ft. elevation.; 0 1645 Comment
  CAS-BOT-BC50363  Raillardella argentea Robert Patterson; Mona Bourell 1993-8-15 5279 Modoc Warner Mountains. Along trail from Patterson Lake to ca. 2 mi north towards Pepperdine Trailhead. 2743 Comment
  CAS-BOT-BC217252  Ranunculus alismifolius Annie Montague Alexander; L. Kellogg 1946-6-8 4696 Modoc Road from Eagleville to Patterson Mill. 2286 Comment
  CAS-BOT-BC217254  Ranunculus alismifolius Leland S. Smith 1920-6-2 1157 Modoc 12-mile Creek. 2042 Comment
  CAS-BOT-BC217255  Ranunculus alismifolius Bruce Bartholomew; M; M. Gilbert; L. E. Skog 1993-5-12 6524 Modoc W side of Whitehorse Reservoir. 1360 Comment
  CAS-BOT-BC248368  Ranunculus alismifolius B. Bartholomew; H. Sun 2002-6-24 8856 Modoc Headwaters of Davis Creek, W side of the Warner Mountains 2160 Comment
  RSA520441  Ranunculus alismifolius var. alismellus Bruce Bartholomew 1990-6-15 5231 Modoc S end of Deer Spring Ridge 1.8km N turn off to Knox Flat near Pot Hole Spring. 1920 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-BC217264  Ranunculus aquatilis var. aquatilis Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-15 16519 Modoc On mesa 11 mi. W of Canby, along Calif. St. Highway 139. Comment
  CAS-BOT-BC379171  Ranunculus aquatilis var. aquatilis Clare R. Wheeler 1980-6-17 1761 Modoc Cherry Lake 5.6 km north of Anthony Peak 1829 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
  UC1101366  Ranunculus aquatilis var. capillaceus Verne Grant and Irving Schneider 1947-7-22 8135 Modoc by State Quarantine Station (Hwy 395, n of Alturas); North Fork of Pit River Comment
  HSC18118  Ranunculus aquatilis var. diffusus M. T. Milligan 1966-6-30 513 Modoc Slopes and ridges E of Jess Valley 1768 Comment
  UCD95857  Ranunculus aquatilis var. diffusus Herbert L. Mason; Verne Grant 1947-7-11 13370 Modoc by Jones' Lane, off Highway 395, south of Alturas. Comment
  CAS-BOT-BC217228  Ranunculus cymbalaria Louis Cutter Wheeler 1935-8-3 3769 Modoc Pine Creek, Warner Mts. 1554 Comment
  UC480945  Ranunculus cymbalaria var. saximontanus W. P. Taylor and H. C. Bryant 1910-7-13 Modoc Head N. Fork Parker Cr. Warner Mountains 2225 Comment
  UC634961  Ranunculus cymbalaria var. saximontanus F. H. Frost 1925-7-11 9 Modoc 2 mi above Cedarville; Warner Mts., Cedar Canyon Comment
  RSA84866  Ranunculus cymbalaria var. saximontanus F. W. Peirson 1926-6-26 6906 Modoc Alturas to Canby Comment
  CAS-BOT-BC217236  Ranunculus eschscholtzii var. oxynotus Annie Montague Alexander; L. Kellogg 1946-7-30 5098 Modoc Eagle Peak, Warner Mts. Comment
  CAS-BOT-BC217239  Ranunculus flabellaris Alice Eastwood; John Thomas Howell 1940-6-12 8080 Modoc Jess Valley. Comment
  CAS-BOT-BC217203  Ranunculus glaberrimus var. glaberrimus Ellsworth Bethel 1923-4-24 s.n. Modoc Adin. Comment
  CAS-BOT-BC217248  Ranunculus glaberrimus var. glaberrimus Fred D. Douthitt 1916-8-20 2 Modoc Flournoy Swale. 1828 Comment
  CAS-BOT-BC217178  Ranunculus occidentalis Bruce Bartholomew; Barrett Anderson 1989-6-3 4885 Modoc Boles Creek, ca. 5.5 km E of the SE corner of Clear Lake Reservoir. 1430 Comment
  JEPS86347  Ranunculus occidentalis Jack and Betty Guggolz 963 Modoc w Jenkins Comment
  CAS-BOT-BC217221  Ranunculus occidentalis var. dissectus Edward Kent Balls 1950-5-11 14616 Modoc 8 mi. N of Lake City, W side of Upper Lake. 1402 Comment
  RSA59860  Ranunculus occidentalis var. eisenii E. K. Balls 1950-5-11 14616 Modoc 8 miles N of Lake City, W side of Upper Lake. 1402 Comment
  RSA59533  Ranunculus occidentalis var. eisenii E. K. Balls 1950-5-20 14807 Modoc 2.1 miles above S Fork Public Camp, aldong S Fork Pit River to Jess Valley 1463 Comment
  CAS-BOT-BC217181  Ranunculus occidentalis var. occidentalis John Thomas Howell 1934-7-1 12305 Modoc Duncan Horse Camp. 1355 Comment
  HSC18156  Ranunculus occidentalis var. occidentalis M. T. Milligan 1965-6-23 290 Modoc N end Jess Valley 1616 Comment
  CAS-BOT-BC217188  Ranunculus orthorhynchus var. orthorhynchus Bruce Bartholomew; Barrett Anderson 1989-6-1 4758 Modoc ca. 0.5 km W of Davis Creek on road to S end of Goose Lake. 1460 Comment
  UC9470  Ranunculus orthorhynchus var. orthorhynchus Milo S. Baker 1893-6-27 Modoc Comment
  CHSC116094  Ranunculus sceleratus var. sceleratus Lowell Ahart; John Dittes 2015-7-16 20378 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
  CHSC114003  Ranunculus testiculatus B. Castro; L. P. Janeway 2014-6-3 2006 Modoc Great Basin. Around outer edge of Big Mud Lake, near NW corner of lake. 1636 Comment
  CAS-BOT-BC217159  Ranunculus uncinatus Francis Dorris Payne 1929-7-7 62 Modoc Pine Creek Basin, Warner Mts. 2316 Comment
  CAS-BOT-BC217166  Ranunculus uncinatus Elmer Ivan Applegate 1932-7-31 7973 Modoc Mill Creek Meadows, west slope of Warner Mts. Comment
  UC49403  Ribes Leland S. Smith 1918-8-18 1045 Modoc ridge n Bear Mt.; Modoc Forest 2682 Comment
  CAS-BOT-BC225853  Ribes aureum Belknap C. Goldsmith 1910-4-25 1 Modoc Pitt River, Alturas. 1341 Comment
  CAS-BOT-BC225857  Ribes aureum Elmer Ivan Applegate 1929-7-29 6089 Modoc N side of Clear Lake. Comment
  HSC65650  Ribes aureum J. P. Smith, J. O. Sawyer 1972-5-6 5278 Modoc Hill along Lassen Creek on road from Fandango Valley to Davis Creek 1463 Comment
  RSA204122  Ribes aureum J. T. Howell 1934-6-13 12096 Modoc Patterson Mill Road, Warner Mtns. 1677 Comment
  UC75441  Ribes californicum Milo S. Baker 1898-4-20 627 Modoc Taylor Mt. Comment
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Jul 22 2018
  CAS-BOT-BC225863  Ribes cereum E. S. Willits 1940-4-27 190 Modoc Sugar Hill. Comment
  CAS-BOT-BC225875  Ribes cereum Harry Dwight Dillon Ripley 1944-6-2 6036 Modoc Pine Creek, Warner Mts. 1584 Comment
  CAS-BOT-BC225882  Ribes cereum Elmer Ivan Applegate 1932-7-9 7570 Modoc North slope of Bidwell Mountain, Warner Mts. Comment
  CAS-BOT-BC225884  Ribes cereum Bruce Bartholomew; Barrett Anderson 1988-5-12 4107 Modoc S side of Egg Lake. 1300 Comment
  HSC27248  Ribes cereum J. P. Smith, J. O. Sawyer 1972-5-6 5279 Modoc Hill along Lassen Creek on road from Fandango Valley to Davis Creek 1463 Comment
  NY454992  Ribes cereum B. M. Bartholomew 1989-4-29 4685 Modoc Surprise Valley Road, just south of the Oregon border, extreme northeast corner of Modoc County 1630 Comment
  NY455008  Ribes cereum C. L. Hitchcock 1940-5-27 6695 Modoc 15 miles northeast of Alturas 1615.4 Comment
  RSA454979  Ribes cereum Christopher Davidson 1975-6-4 2620 Modoc 2.5 mi W of Cedarville on Hwy 299. South sloping hillside of rocky basalt and red clay. 1677 Comment
  UC11501  Ribes cereum Milo S. Baker 1893-6-10 Modoc Lava Beds Comment
  UC11512  Ribes cereum Mrs. R. M. Austin and Bruce June 1898 2357 Modoc Lake City Mt. Comment
  UC73103  Ribes cereum Milo S. Baker 1893-1 Modoc Egg Lake Comment
  JEPS49409  Ribes inerme var. inerme Mrs. M. H. Manning 1907-1-1 Modoc e side Mt. Bidwell; 12 mile Creek 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
  UCR270415  Ribes nevadense John F. Emmel 2000-8-2 1680 Modoc Modoc Plateau, north end Warner Mountains, upper part of Cave Lake Campground 2043 Comment
  CAS-BOT-BC225910  Ribes roezlii var. roezlii Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-12 6523 Modoc S side of Whitehorse Reservoir. 1300 Comment
  CAS-BOT-BC225925  Ribes velutinum A. D. Borden 1911-5-20 s.n. Modoc Sugar Hill. Comment
  OBI83292  Ribes velutinum Rhonda Riggins 1989-4-28 1666 Modoc Pencil Rd. 4.4 mi N of Hwy. 395 E of Alturas. 1524 Comment
  CAS-BOT-BC173960  Ribes viscosissimum G. Schoolcraft 1988-7-12 1824 Modoc Warner Mtns. along Park Creek Rd. 1 mi. w. of Pepperdine Camp 1950 Comment
  CAS-BOT-BC225933  Ribes viscosissimum Elmer Ivan Applegate 1932-7-7 8222 Modoc Just above Lily Lake, Bidwell Pass, Warner Mts. Comment
  CAS-BOT-BC225945  Ribes viscosissimum A. D. Borden 1911-6-15 Modoc Davis Creek. Comment
  NY455559  Ribes viscosissimum B. M. Bartholomew 1989-7-14 4978 Modoc Vicinity of Upper Rush Creek Camp Ground 1580 Comment
  SEINET195338 Image available Ribes viscosissimum Annie M. Alexander, L Kellogg 1946-6-15 4772 Modoc Deep Creek 1981 Comment
  UC71791  Ribes viscosissimum Mrs. M. H. Manning 1904-7 511 Modoc Mill Canyon 1828 Comment
  UCR80270  Ribes viscosissimum var. hallii L. C. Wheeler 1935-8-14 3850 Modoc Warner Mtns., Lily Lake, Pine Creek 2073 Comment
  CAS-BOT-BC50373  Rigiopappus leptocladus Bruce Bartholomew; Barrett Anderson 1989-6-1 4764 Modoc S end of Goose Lake. 1460 Comment
  UC748493  Rigiopappus leptocladus Annie M. Alexander and Louise Kellogg 1946-6-17 4789 Modoc 10 mi ne Alturas (Cedar Pass road) Comment
  UC117554  Rorippa Mrs. R. M. Austin Sept. 1894 275 Modoc Cedarville Canyon Comment
  CDA3845  Rorippa austriaca T. C. Fuller 1958-8-12 2081 Modoc Corporation Ranch, Likely. 0 Comment
  CHSC114918  Rorippa austriaca D. B. Joley 1976-6-23 7 Modoc Likely, near Alturas. Comment
  SEINET13762213 Image available Rorippa austriaca T. C. Fuller 1970-7-8 1972 Modoc Wet meadow, Corporation Ranch near Likely Comment
  CHSC74971  Rorippa columbiae Sheryl Gill 1996-9-3 Modoc At the Tule Lake National Wildlife Refuge--'Frey's Island' Sites D, E, and F; in the south-east part of the refuge in southern sump. In fields. 1229 Comment
  RSA210854  Rorippa curvipes var. truncata R. F. Thorne, James Henrickson, C. W. Tilforth 1969-9-4 39111 a Modoc N Fork of Pit River 3.4 mi N of Alturas where crossed by Hwy 395. 1341 Comment
  UC673336  Rorippa nasturtium-aquaticum F. H. Frost 1925-7-11 Modoc Cedar Canyon 2 mi above Cedarville (Warner Mts.); , Cedar Canyon, above Cedarville Comment
  CAS-BOT-BC497209  Rosa Gladys L. Smith; Margaret Williams; Loring Williams; Charles Smith 1983-9-14 8384 Modoc About 7.0 mi N of Cedarville along side road to Wilson Patch Ranch (see US Forest Serv. map) Comment
  RSA101385  Rosa woodsii subsp. ultramontana R. Weatherby 1955-7-8 1627 Modoc 5 miles north of Ft. Bidwell, no. Warner Mts. 1784 Comment
  CAS-BOT-BC218247  Rosa woodsii var. ultramontana Philip Alexander Munz 1951-9-14 16977 Modoc Jess Valley, 13 mi. E of Likely. 1630 Comment
  CAS-BOT-BC218259  Rosa woodsii var. ultramontana Bruce Bartholomew; Barrett Anderson 1990-7-20 5547 Modoc N edge of Howard Flat, W side of Warner Mts. 2000 Comment
  JEPS46228  Rosa woodsii var. ultramontana F. H. Frost 1925-7-11 32 Modoc 2 mi above Cedarville; Cedar Canyon campsite Comment
  UC1128612  Rosa woodsii var. ultramontana R. C. Wilson 1933-6-25 51 Modoc Rush Creek Modoc National Forest, Canby Quadrangle Comment
  UC467690  Rosa woodsii var. ultramontana W. P. Taylor and H. C. Bryant 1910-6-26 Modoc Parker Cr. Warner Mountains 1676 Comment
  UC619254  Rosa woodsii var. ultramontana J. and H. W. Grinnell 1938-6-14 1004 Modoc along railroad right of way near old beach line of Goose Lake; Fairport 1524 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
  UC12959  Rubus parviflorus Mrs. R. M. Austin and Bruce June 1898 Modoc Lake City Canyon Comment
  HSC17607  Rumex californicus M. T. Milligan 1966-7-3 550 Modoc Slopes and ridges E of Jess Valley 1829 Comment
  CDA23185  Rumex occidentalis T. C. Fuller 1958-7-8 2031 Modoc 4 miles south of Pine Creek. 0 Comment
  UC1537645  Rumex occidentalis Gordon H. True Jr. 1939-7-7 1039 Modoc near Canby; Blacks Canyon Comment
  JEPS117504  Rumex salicifolius var. triangulivalvis Lowell Ahart, John Dittes 2010-8-31 17117 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
  CAS-BOT-BC211319  Rumex triangulivalvis Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10550 Modoc Patterson Ranger Station (East Creek drainage). 2164 Comment
  CAS-BOT-BC95282  Sagina saginoides Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10630 Modoc East Creek, about 1 mi. E of Patterson Ranger Station. 2164 Comment
  CAS-BOT-BC245207  Sagittaria cuneata Louis Cutter Wheeler 1935-8-5 3787 Modoc Little Lily Lake. 2286 Comment
  UCD138014  Sagittaria cuneata Robert F. Thorne; C. W. Tilforth 1969-9-4 39058 Modoc 2 miles west of Davis Creek (town), south of Goose Lake. 1432 Comment
  POM220464  Salix boothii Frances D. Payne 1931-7-7 335 Modoc Pine Creek Basin. Warner Mtns. About 33 km SE of Alturas. 2280 Comment
  RSA612550  Salix boothii Louis C. Wheeler 1935-8-2 3748 Modoc Twelve Mile Creek. Warner Mtns. 2256 Comment
  UC482351  Salix boothii Frances D. Payne 1931-7-8 338 Modoc 33 km. se of Alturas; Warner Mts., Pine Creek Basin 2280 Comment
  UC492376  Salix boothii Frances D. Payne 1932-6-21 728 c Modoc e Alturas (marsh s of Mosquito Lake); Warner Mts., e side Mt. Warren (Buck Mt.) Comment
  CAS-BOT-BC225760  Salix eastwoodiae Francis Dorris Payne 1931-7-8 177 Modoc Pine Creek Basin ca. 33 km SE of Alturas, Warner Mountains 2280 Comment
  POM218955  Salix exigua H. P. Bracelin 1931-6-30 501 Modoc Alturas. SW end of town. 1360 Comment
  RSA252408  Salix exigua Robert F. Thorne, C. W. Tilforth 1969-9-5 39142 Modoc Along S Fork of Pit River above jct,. with West Creek at Public Campground. Ca 6 miles E of Likely. 1402 Comment
  UC472125  Salix exigua Mrs. M. H. Manning 1903-4-23 78 Modoc near Fort Bidwell; ne Modoc Co. Comment
  UC481818  Salix exigua Mrs. H. P. Bracelin 1931-6-30 501 Modoc sw end of town Alturas 1360 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
  UC481960  Salix exigua Mrs. H. P. Bracelin and Miss Frances D. Payne 1931-6-30 495 Modoc 20 km. e Alturas (Parker Creek, meadow s of Payne Ranch) 1560 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-BC197557  Salix lasiandra var. lasiandra Elmer Ivan Applegate 1936-5-17 10305 Modoc Lava Beds National Monument. Gillams Camp, shore line of Tuyle Lake. Comment
  CAS-BOT-BC197563  Salix lasiandra var. lasiandra Bruce Bartholomew; Barrett Anderson 1988-7-22 4548 Modoc N side of the South Fork of Davis Creek, Warner Mts.. 2100 Comment
  JEPS14866  Salix lasiandra var. lasiandra F. H. Frost 1925-7-11 21 Modoc 2 mi above Cedarville (Cedar Canyon campsite) Comment
  SD901  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-29 487 Modoc Halfway between Adin and Canby 1349 Comment
  UC481926  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-29 486 Modoc halfway between Adin and Canby 1350 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
  POM229223  Salix lemmonii Louis C. Wheeler 1935-8-3 3760 Modoc Warner Mountains: Pine Creek. 1738 Comment
  UC481856  Salix lemmonii Frances D. Payne 1931-7-7 332 Modoc ca. 33 km. s.e. Alturas; Warner Mts., Pine Creek Basin 2280 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
  CAS-BOT-BC229847  Salix melanopsis H. P. Bracelin; Francis Dorris Payne 1931-6-30 491 Modoc Parker Creek, 20 km E of Alturas. 1560 Comment
  CAS-BOT-BC229832  Salix scouleriana Louis Cutter Wheeler 1935-8-3 3759 Modoc Pine Creek, Warner Mts. 1737 Comment
  CAS-BOT-BC229834  Salix scouleriana Francis Dorris Payne 1934-8-1 778 Modoc Pine Creek Basin, Warner Mts. 2316 Comment
  CAS-BOT-BC229835  Salix scouleriana Francis Dorris Payne 1931-6-22 283 Modoc Trail from summit of Granger Pass to Mt. Warren. 2100 Comment
  CAS-BOT-BC229843  Salix scouleriana Francis Dorris Payne 1931-6-10 138 Modoc Parker Creek, Warner Mts. 1560 Comment
  CAS-BOT-BC95557  Salsola paulsenii Thomas C. Fuller 1964-10-8 12698 Modoc Levee road across S end of Goose Lake, ca. 5 mi. W of Davis Creek. Comment
  CAS-BOT-BC95558  Salsola tragus Bruce Bartholomew 1989-8-11 5080 Modoc E side of Surprise Valley at Nevada border on State Hwy 299. 1500 Comment
  CAS-BOT-BC179251  Salvia aethiopis B. Bartholomew 1995-7-31 7078 Modoc Ca. 1.6 km N of turn off to Cedarville on U.S. Hwy 395. 1350 Comment
  CDA36801  Salvia aethiopis D. B. Joley 1976-6-23 2 Modoc Hwy 395, north of Alturas, 1 mile north of border station. 0 Comment
  SEINET14190209 Image available Salvia aethiopis P. C. Martinelli, T. C. Fuller 1974-7-19 s.n. Modoc Alturas area Comment
  CAS-BOT-BC179237  Salvia dorrii var. dorrii Mrs. H. C. Cantelow 1940-6-1 3791 Modoc E. slope Warner Mountains, Cedar Pass Comment
  CAS-BOT-BC179242  Salvia dorrii var. dorrii Mrs. H. C. Cantelow 1940-6-1 s.n. Modoc Cedar Pass, E slope. Comment
  CAS-BOT-BC179244  Salvia dorrii var. dorrii Kay Paulson; Richard Paulson 1989-6-21 150 Modoc Vicinity of Granger Creek, E side of the Warner Mts. Comment
  CAS-BOT-BC179245  Salvia dorrii var. dorrii Christopher Davidson 1975-6-4 2607 Modoc 1/4 mi W of Cedarville on Hwy 299. 1463 Comment
  JEPS62711  Salvia dorrii var. incana L. S. Smith 1918-5-29 929 Modoc Soldier Creek; Warner Range, Modoc Forest 1524 Comment
  CAS-BOT-BC184103  Salvia dorrii var. pilosa Elmer I. Applegate 1935-6-2 9283 Modoc Lava Beds National Monument. Indian Well Ranger Station Comment
  RSA165572  Salvia dorrii var. pilosa Clare B. Hardham 1961-6-17 7529 Modoc Lava flows between Alturas and Susanville 1524 Comment
  UC1953386  Salvia dorrii var. pilosa Tom Schweich 1996-6-29 61 Modoc Warner Mountains; East aide of South Warner Mountains, near the mouth of North Deep Creek Canyon, 3.6 km southwest of Cedarville, CA. 1500 Comment
  JEPS45509  Sanguisorba annua L. S. Smith 1918-6-14 936 Modoc South Slope Buck Creek Ranger Station and Willow Creek 1676 Comment
  POM139968  Sanguisorba annua M. S. Baker 1893-1 s.n. Modoc Forestdale. Comment
  CAS-BOT-BC15722  Sanicula graveolens Bruce Bartholomew; Barrett Anderson 1988-7-23 4559 Modoc Road beyond Poison Lake ca. 8 km S of the road from U.S. Highway 395 to Lily Lake, Warner Mts.. 2140 Comment
  CAS-BOT-BC15724  Sanicula graveolens Clare Butterworth Hardham 1961-6-18 7590 B Modoc Cedar Pass. 1828 Comment
  CHSC109490  Sanicula graveolens L. P. Janeway; B. Castro 2012-7-26 11005 Modoc Warner Mountains. At Little Lily Lake, 2.4 air km north of Mt. Vida. 2258 Comment
  RSA59871  Sarcobatus vermiculatus E. K. Balls 1950-5-10 14599 Modoc E. shore Middle lake, near Cedarville 1402 Comment
  CAS-BOT-BC225961  Saxifraga nidifica var. nidifica K. Paulson; Robert Paulson 1989-6-28 154 Modoc Vicinity of Granger Creek, E side of the Warner Mts. 1905 Comment
  CAS-BOT-BC247699  Schedonorus pratensis Leland S. Smith 1917-7-23 121 Modoc Joseph Creek. 1828 Comment
  CAS-BOT-BC245135  Schoenoplectus acutus var. occidentalis Elmer Ivan Applegate 1929-7-29 6095 Modoc Clear Lake Dam. Comment
  CAS-BOT-BC245127  Schoenoplectus americanus Bruce Bartholomew 1990-6-17 5290 Modoc Surprise Valley, SW side of Lower Alkali Lake, 3.2 km N of Lassen County border. 1370 Comment
  UC1100875  Scirpus americanus Herbert L. Mason 1947-8-11 13491 Modoc on Highway 81 w margin Lower Lake (near boundary between Lassen and Modoc counties); w margin Lower Lake Comment
  CAS-BOT-BC245123  Scirpus microcarpus Bruce Bartholomew 1989-8-12 5113 Modoc South Fork of Pine Creek just N of trailhead to Pine Creek Basin, W side of Warner Mts. 2010 Comment
  HSC26004  Scirpus microcarpus D. H. Norris, S. Dowty, Thomas W. Nelson 1971-6-23 19360 Modoc Along the S Fork of the Pit River, ~6 mi. E of Likely. Comment
  UC1100880  Scirpus nevadensis Malcolm A. Nobs, S. Galen Smith 1949-7-22 1066 Modoc Likely South Fork Pit River, Likely (on dry bank of canals at South Fork Pit River) Comment
  RSA210794  Scirpus nevadensis Robert F. Thorne, James Henrickson, C. W. Tilforth 1969-9-4 39078 Modoc E shore of Goose Lake at Willow Ranch. 1433 Comment
  UCD92544  Scribneria bolanderi L. D. Whitney 1935-5-22 s.n. Modoc near Hackamore. Comment
  CAS-BOT-BC197838  Scrophularia lanceolata Fred. P. Cronemiller 1920-6-20 29 Modoc Fillingim's. 1371 Comment
  JEPS9918  Scrophularia lanceolata Mrs. R. M. Austin June, 1894 Modoc near Willow Creek Comment
  CAS-BOT-BC179233  Scutellaria antirrhinoides Milo Samuel Baker 1893-6-12 Modoc On lava side, near rocky shore. Comment
  CAS-BOT-BC179222  Scutellaria nana John Thomas Howell 1934-7-3 12374 Modoc 5 mi. S of Hackamore. Comment
  CAS-BOT-BC179224  Scutellaria nana B. Bartholomew 1991-8-5 6030 Modoc Summit Trail between Pepperdine and Squaw Peak, W side of Warner Mts. 2190 Comment
  CAS-BOT-BC252545  Secale cereale John Thomas Howell 1934-6-12 11991 Modoc 6 mi. S of Davis Creek. Comment
  CHSC109442  Sedum lanceolatum L. P. Janeway; B. Castro 2012-7-24 10975 Modoc Warner Mountains. Northwestern flank of Mount Bidwell; 1.2 air km south of Dismal Swamp. 2362 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
  RSA164402  Sedum stenopetalum subsp. stenopetalum Clare B. Hardham 1961-6-18 7558 Modoc East of Cedar Pass. 1829 Comment
  CAS-BOT-BC50344  Senecio aronicoides Bruce Bartholomew 1994-5-14 6683 Modoc Near Day Rock. 1280 Comment
  HSC6136  Senecio aronicoides M. T. Milligan 1965-6-27 368 Modoc E slope of eroded volcanic plateau. 1677 Comment
  RSA155790  Senecio eurycephalus P. H. Raven 1962-5-29 17892 Modoc Six miles east of Alturas. 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
  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
  CAS-BOT-BC50287  Senecio integerrimus var. exaltatus Bruce Bartholomew 1992-5-15 6310 Modoc Upper end of Pleasants Canyon, W side of Warner Mountains. 1930 Comment
  CAS-BOT-BC50288  Senecio integerrimus var. exaltatus Betty J. Hammerly 1941-6-20 36 Modoc Along banks of Clear Lake, S end of Warner Mts. Comment
  CAS-BOT-BC50300  Senecio integerrimus var. exaltatus Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-11 6489 Modoc Near SE corner of Big Sage Reservoir, 5.3 km E of Crowder Flat Road. 1580 Comment
  RSA0013301  Senecio serra var. serra Bruce Bartholomew 1989-8-12 5109 Modoc S end of Coyote Creek, ca. 1.5 km SW of Sunflower Knob, S end of Warner Mountains 2040 Comment
  JEPS5941  Senecio triangularis Frances D. Payne 1931-6-25 257 Modoc 2 mi sw Warren Peak; Warner Mts., Pine Creek Basin 2316 Comment
  CAS-BOT-BC95637  Shepherdia argentea Edward Kent Balls 1950-5-11 14612 Modoc Between Eagleville and Cedarville. 1432 Comment
  HSC80699  Sibbaldia procumbens G. M. Riegel 1980-8-7 1003 Modoc S Warner Mtns. 1829 Comment
  CAS-BOT-BC179096  Sidalcea oregana subsp. oregana E. S. Willits 1940-5-17 259 Modoc Willow Ranch. Comment
  CAS-BOT-BC248324  Sidalcea oregana subsp. oregana B. Bartholomew; H. Sun 2002-6-24 8823 Modoc S end of Sweagert flat ca. 15.3 straight line km WNW of Aden 1820 Comment
  UC1075760  Sidalcea oregana subsp. oregana Robert J. Weatherby 1955-7-8 1625 Modoc 6 mi n Ft. Bidwell (northern Warner Mts.); , n of Ft. Bidwell 1737 Comment
  UC1124994  Sidalcea oregana subsp. oregana R. C. Wilson 1933-7-12 62 Modoc s Likely Mill; Modoc National Forest, Alturas Quad. Comment
  UC18883  Sidalcea oregana subsp. oregana Milo S. Baker 1893-7-11 Modoc Comment
  NY446681  Silene dichotoma B. M. Bartholomew 1990-7-20 5489 Modoc 10.3 km north of Buck Creek Ranger Station, crest of Warner Mountains on the west side of Warner Mountains 2130 Comment
  RSA610960  Silene douglasii L. C. Wheeler 1935-8-5 3784 Modoc Pine Creek, Warner Mts. 2317 Comment
  NY446785  Silene douglasii var. monantha L. S. Rose 1940-6-13 40552 Modoc Fandango Pass 1905.0 Comment
  POM100952  Silene menziesii var. viscosa Mrs. R. M. Austin 1895-07 518 Modoc Goose Lake. Comment
  RSA0118761  Silene nuda Lowell A. Ahart, John Dittes 2013-7-25 18954 Modoc On the north side of a deep drainage, 30 yards south 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. 1268 Comment
  HSC80710  Silene oregana G. M. Riegel 1980-8-12 1043 Modoc S Warner Mtns. 1670 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
  CHSC106327  Sisymbrium altissimum Lowell Ahart; John Dittes 2010-8-31 17130 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
  UC4231  Sisyrinchium bellum Milo S. Baker 1893-6 Modoc Egg Leake Island Comment
  UC1537630  Sium suave Gordon H. True Jr. 1939-7-21 1028 Modoc n of Canby (Jack Swamp); Jack Swamp Comment
  NY821272  Solanum physalifolium L. C. Wheeler 1935-9-22 3994 Modoc 3 mi. W of Alturas 1356 Comment
  JEPS114782  Solanum triflorum Lowell Ahart, John Dittes 2008-8-25 15329 Modoc On the north bank of Ash Creek, Ash Creek State Wildlife Area, 4500 feet south of County Road 87, 2.7 miles (air) west of Adin, 9.1 miles (air) northeast of Bieber 1271 Comment
  CAS-BOT-BC54289  Solidago canadensis subsp. elongata Bruce Bartholomew 1991-8-4 6011 Modoc Rush Creek, Round Valley, 0.8 km E of Hwy 299 on County Road 86. 1310 Comment
  UC1999896  Solidago elongata J. C. Semple, B. A. Suripto, T. Ahmed 1990-8-11 9295 Modoc NE of Alturas, flood plain of N. Fork Railroad by US-395, approx. 2 km S of Joseph Creek Rd. Comment
  UC71567 Image available Solidago lepida var. salebrosa Mrs. M. H. Manning Sept 1902 15 Modoc Comment
  JEPS114432  Solidago velutina subsp. californica Lowell Ahart, John Dittes 2008-8-26 15343 Modoc On the banks of Rose Creek, 250 feet southwest of the confluence of Rose Creek and Pit River, on the northwest side of unnamed road, 3,160 feet east of intersection with County Road 85a, 9.3 miles (air) north-northeast of Lookout 1276 Comment
  SBBG3121  Sorbus sitchensis H. and M. Dearing 1939-6-8 3638 Modoc Cave Lake, Warner Mtns Comment
  POM332462  Sparganium angustifolium subsp. emersum J. P. Smith, J. O. Sawyer 1973-8-9 7269 Modoc Blue Lake, Modoc National Forest. 1829 Comment
  CAS-BOT-BC95284  Spergularia rubra Bruce Bartholomew; Barrett Anderson 1988-7-23 4583 Modoc Dismal Swamp, Warner Mts.. 2180 Comment
  CAS-BOT-BC15683  Sphenosciadium capitellatum Bruce Bartholomew 1990-8-4 5652 Modoc Side tributary in upper reaches of Owl Creek drainage, E side of Warner Mts. 2500 Comment
  UC748408  Sphenosciadium capitellatum Annie M. Alexander and Louise Kellogg 1946-7-12 4983 Modoc Twelve Mile Creek; ne corner of county Comment
  UC71760  Sphenosciadium capitellatum Mrs. M. H. Manning August, 1903 199 Modoc Mill Canyon; north-eastern Modoc County Comment
  JEPS120892  Spirodela polyrhiza Lowell Ahart, John Dittes, Todd Sloat 2013-6-8 18758 Modoc on the N side of levee, about 100 yards north of Parking Area, NW of the old barn, Ash Creek Wildlife Area, about 3.9 air miles W of Adin, about 7.7 air miles NE of Bieber. Big Valley. Comment
  CAS-BOT-BC252544  Sporobolus Leland S. Smith 1918-9-20 1061 Modoc Surprise Valley. 1524 Comment
  HSC1957  Stachys rigida var. rigida M. T. Milligan 1966-6-30 500 Modoc Slopes and ridges E of Jess Valley 1768 Comment
  UC1028657  Stellaria calycantha Robert J. Weatherby 1955-7-8 1618 Modoc 7 mi n Ft. Bidwell; Warner Mts. 1874 Comment
  CAS-BOT-BC95297  Stellaria longipes var. longipes Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10548 Modoc Patterson Ranger Station (East Creek drainage). 2164 Comment
  CAS-BOT-BC95302  Stellaria umbellata Bruce Bartholomew; Barrett Anderson 1988-6-24 4321 Modoc Lily Lake, W side of the Warner Mts.. 2130 Comment
  CAS-BOT-BC54265  Stephanomeria spinosa Annie Montague Alexander; L. Kellogg 1946-7-5 4910 Modoc Lava Cliff west Lower Lake. Comment
  CDA18954  Stephanomeria spinosa Anne M. Corey 2000-6-19 s.n. Modoc Surprise Valley; Growing in Botanical Tours, County Road 18 at Soldier Creek, near Cedarville, Surprise Valley. 0 Comment
  RSA531364  Stephanomeria spinosa Bruce Bartholomew, B. Anderson 1990-7-21 5566 Modoc N Barber Creek, road to Surprise Valley to Patterson Ranger Station, E side of Warner Mtns. 1710 Comment
  SEINET195472  Stephanomeria tenuifolia Annie M. Alexander, Loise Kellogg 1946-7-5 4908 Modoc Lava Cliff west Lower Lake. Comment
  CHSC113063  Stipa nelsonii var. dorei Lowell Ahart; John Dittes 2013-7-25 18960 Modoc South edge of Ash Creek Floodplain, northeast of Patterson Homestead, east of Elkins Lane, 1.0 mile (air) south of County Road 87, 3 miles (air) west of Adin, Big Valley. 1267 Comment
  RSA603599  Streptanthus cordatus L. C. Wheeler 1935-8-14 3842 Modoc Pine Creek. Warner Mtns. 2011 Comment
  CAS-BOT-BC242162  Streptopus amplexifolius var. americanus Bruce Bartholomew 1989-8-11 5065 Modoc Along Lassen Creek near SE side of Harris Flat, Warner Mountains. 1920 Comment
  CAS-BOT-BC242259  Stuckenia pectinata Bruce Bartholomew; Barrett Anderson 1989-6-2 4798 Modoc 6.4 km E of Fort Bidwell on road to Fee Reservoir, NE corner of Surprise Valley. 1460 Comment
  POM313016  Stuckenia pectinata H. L. Mason 1947-8-16 13564 Modoc Stronghold, northern Modoc county. Comment
  CAS-BOT-BC242266  Stuckenia striata Milo Samuel Baker 1899-8-24 s.n. Modoc Pit River at Lookout. Comment
  UCD138321  Stuckenia striata Herbert L. Mason 1947-8-15 13540 Modoc Mouth of Crane Creek on Willow Ranch, east side of Goose Lake. Comment
  CAS-BOT-BC180100  Swertia albicaulis var. albicaulis James Vale; et al 1981-5-23 4129 Modoc 2 mi. W of Lookout. Comment
  UC748426  Swertia albicaulis var. albicaulis Annie M. Alexander and Louise Kellogg 1946-7-7 4941 Modoc Eight Mile Creek, ne corner of Modoc County Eight Mile Creek 1752 Comment
  CAS-BOT-BC180086  Swertia radiata Elmer Ivan Applegate 1932-8-3 8134 Modoc W slope of Eagle Peak. Comment
  CAS-BOT-BC180089  Swertia radiata A. D. Borden 1911-7-19 Modoc Top of ridge head of Soup Creek. Comment
  UC748485  Symphoricarpos longiflorus Annie M. Alexander and Louise Kellogg 1946-6-18 4805 Modoc bluff facing Lower Lake Comment
  CAS-BOT-BC95189  Symphoricarpos rotundifolius var. rotundifolius Annie M. Alexander; Miss Louise Kellogg 1946-7-3 4898 Modoc Bidwell Creek Canyon, 7 miles west of Fort Bidwell, north bank of road. 1444 Comment
  HSC4012  Symphoricarpos rotundifolius var. rotundifolius M. T. Milligan 1966-7-3 541 Modoc Slopes and ridges E of Jess Valley. 1768 Comment
  HSC80926  Symphoricarpos rotundifolius var. rotundifolius G. M. Riegel 1979-6-30 448 Modoc S Warner Mtns. 1670 Comment
  SJSU6023  Symphoricarpos rotundifolius var. rotundifolius H. L. Buckalew 1961-6-22 Modoc near Stowe Reservoir, Warner Mts 1950 Comment
  UC585192  Symphoricarpos rotundifolius var. rotundifolius E. B. Babcock, G. L. Stebbins Jr. 1936-6-9 1825 Modoc about 3 mi w Cedarville; Warner Mountains, Cedar Creek Canyon 1524 Comment
  CHSC105979  Symphyotrichum ascendens Lowell Ahart; John Dittes 2010-8-30 17053 Modoc Bottom of a small vernal pool, about 10 yards east 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
  CHSC99954  Symphyotrichum ascendens Lowell Ahart; John Dittes 2008-8-25 15293 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
  LA203052  Symphyotrichum ascendens M. S. Baker; August 1898 524 Modoc Forest Dale Comment
  UC1192166  Symphyotrichum bracteolatum Verne Grant and Irving Schneider 1947-8-28 8332 Modoc nw of, at Jack Swamp Alturas Comment
  CAS-BOT-BC15220  Symphyotrichum eatonii Leland S. Smith 1919-8-18 1134 Modoc Ash Valley. 1463 Comment
  HSC65385  Symphyotrichum foliaceum Thomas Wood 1979-8-8 217 Modoc 1 mi. S of Ft. Bidwell, along Hwy. 1, corner house where road turns W 1372 Comment
  UC748365  Symphyotrichum foliaceum Annie M. Alexander and Louise Kellogg 1946-7-12 4987 Modoc Twelve Mile Creek, ne corner of county Twelve Mile Creek Comment
  HSC81036  Symphyotrichum foliaceum var. apricum G. M. Riegel 1979-9-8 757 Modoc South Warner Mtns. 2100 Comment
  UC1192078  Symphyotrichum frondosum Herbert L. Mason 1947-8-15 13545 Modoc Willow Ranch, e side of Goose Lake Crane Creek, Goose Lake 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
  JEPS40832  Symphyotrichum spathulatum L. S. Smith 1918-8-27 1053 Modoc below Squaw Peak ((Milk Creek)); Modoc National Forest, Milk Creek 2438 Comment
  CAS-BOT-BC15175  Symphyotrichum spathulatum var. spathulatum Delzie Demaree 1959-8-15 41483 Modoc Canby, Modoc National Forest Comment
  CAS-BOT-BC232357  Synthyris missurica Bruce Bartholomew; Barrett Anderson 1988-7-23 4553 Modoc Road beyond Poison Lake ca. 8 km S of the road from U.S. Highway 395 to Lily Lake, Warner Mts.. 2140 Comment
  CAS-BOT-BC232363  Synthyris missurica Robert Patterson; Mona Bourell 1993-8-14 5224 Modoc Patterson Lake. South Warner Wilderness Area. Warner Mountains. 2743 Comment
  CAS-BOT-BC252542  Taeniatherum caput-medusae Thomas C. Fuller 1959-7-8 2742 Modoc Hwy 299, 8 mi. W of Alturas. Comment
  UCD32680  Taeniatherum caput-medusae Beecher Crampton 1954-7-6 2089 Modoc Modoc County, Porter Ranch, 8 miles east of Alturas, on Road 56. Comment
  CAS-BOT-BC54275  Taraxacum officinale Bruce Bartholomew; Barrett Anderson 1988-5-12 4111 Modoc S side of Egg Lake. 1300 Comment
  RSA101506  Taraxacum officinale R. Weatherby 1955-7-7 1599 Modoc Dismal Swamp, northern Warner Mountains. 2241 Comment
  UC36615  Taraxacum officinale Mrs. R. M. Austin and Bruce May 1898 2178 Modoc Comment
  UC1075757  Taraxia tanacetifolia Robert J. Weatherby 1955-7-8 1616 Modoc 7 mi n Ft. Bidwell 1874 Comment
  UCSB12576  Taraxia tanacetifolia Dearing, Hugh; Dearing, Margaret 1939-6-7 Modoc near Canby Comment
  JEPS15479  Taraxia tanacetifolia Joseph and Hilda Grinnell 1938-6-16 1115 a Modoc flat land near Cow Head Lake 1676 Comment
  JEPS38110  Tetradymia canescens W. L. Jepson 1918-8-6 7848 Modoc Surprise Valley 1447 Comment
  UC71697  Tetradymia canescens Mrs. M. H. Manning 1902-1 29 Modoc near Fort Bidwell Comment
  CAS-BOT-BC217127  Thalictrum fendleri Roxana Stinchfield Ferris; R. Duthie 1919-6-3 53 Modoc Parker Creek at Modoc Nat. Forest Boundary. Comment
  CAS-BOT-BC217132  Thalictrum fendleri Bruce Bartholomew 1990-8-5 5657 Modoc Summit Trail, ca. 1 km N of Patterson Ranger Station, W side of Warner Mts. 2270 Comment
  CAS-BOT-BC217169  Thalictrum fendleri Bruce Bartholomew 1994-7-2 6796 Modoc Joseph Creek Basin, W side of the Warner Mountains. 1650 Comment
  JEPS60732  Thalictrum fendleri Frances D. Payne 1931-6-25 268 Modoc 2 mi sw Mt. Warren (se Modoc Co.); Pine Creek Basin 2316 Comment
  UC748471  Thalictrum fendleri Annie M. Alexander and Louise Kellogg 1946-7-2 4895 Modoc Dismal Swamp north end of Warner Mountains 2255 Comment
  JEPS60733  Thalictrum fendleri Frances D. Payne 1931-6-21 218 Modoc on ridge sw Dry Creek (tributary of Parker Creek) (s and e of Alturas); Warner Mountains 1981 Comment
  UC10958  Thelypodium howellii M. S. Baker and Frank Nutting 1893-7-6 Modoc Comment
  CHSC85174  Thelypodium howellii subsp. howellii John Dittes; Josephine Guardino 1991-7-21 384 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-BC95082  Thelypodium milleflorum Bruce Bartholomew 1994-5-15 6690 Modoc E of Eagleville near the Eagleville Airport, Surprize Valley. 1380 Comment
  SEINET3131787  Thermopsis argentata M. S. Baker 1899-8-14 sn Modoc Forestdale Comment
  CAS-BOT-BC181798  Thermopsis californica var. argentata Leland S. Smith 1920-6-17 5 A Modoc N end of Egg Lake. 1310 Comment
  RSA520355  Thermopsis californica var. argentata Bruce Bartholomew, B. Anderson 1898-6-3 4902 Modoc 5km NW of Egg Lake and 0.8km W of Service Flat Gulch 1370 Comment
  UCD162393  Thinopyrum intermedium Chuck Hughes 2015-9-12 438 Modoc Near the Larry Flat Campound, Modoc National Forest. 1823 Comment
  CAS-BOT-BC95084  Thlaspi arvense Bruce Bartholomew; Barrett Anderson 1988-6-25 4380 Modoc SW side of Jess Valley, Warner Mts.. 1540 Comment
  CAS-BOT-BC66412  Thysanocarpus curvipes B. Bartholomew; B. Anderson 1988-6-23 4229 Modoc 2.1 km south southeast of Day on the road to State Highway 299. 1020 Comment
  CAS-BOT-BC66414  Thysanocarpus curvipes B. Bartholomew 1991-5-23 5688 Modoc 0.5 km east of Day on County Road 94. 1050 Comment
  CAS-BOT-BC54247  Tragopogon dubius Bruce Bartholomew 1990-6-17 5300 Modoc Vicinity of Emerson Camp near roadhead, E side of Warner Mts. 1750 Comment
  UC1025098  Trichostema oblongum Leo Whitney 1934-5-24 1620 Modoc near Hockamore; Modoc National Forest 1463 Comment
  JEPS118253  Trifolium andersonii var. andersonii Lowell Ahart, John Dittes 2011-6-22 17560 Modoc On the east side of the road, about 100 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 Aden [Adin], 10 miles (air) east of Lookout, Big Valley 1264 Comment
  SJSU7975  Trifolium cyathiferum H. L. Buckalew 1961-6-27 Modoc near Stowe Reservoir c. 2 mi N of Cedar Pass on Alturas-Cedarville Rd, Warner Mts 1950 Comment
  UC16471  Trifolium cyathiferum Mrs. R. M. Austin July, 1894 Modoc Goose Lake Comment
  UC16472  Trifolium cyathiferum Milo S. Baker 1893-6-10 Modoc Comment
  JEPS127163  Trifolium hybridum Lowell Ahart, John Dittes 2016-7-16 21240 Modoc 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. Comment
  JEPS33202<