Search Results — 2000 specimen records retrieved (1517 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
 Records are made available under the CCH Data Use Terms.

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A yellow cell in the column headed "?", for records with coordinates, indicates a discrepancy with respect to range as specified in the eFlora. Read more ...
? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  HSC80921  Abies concolor G. M. Riegel 1979-8-1 729 Modoc S Warner Mtns. 1670 Comment
  CAS-BOT-BC15675  Achillea millefolium Bruce Bartholomew 1990-6-18 5363 Modoc S side of Goose Lake, ca. 5 km SSE of McGinty Point. 1400 Comment
  HSC4552  Achillea millefolium M. T. Milligan 1964-6-6 5 Modoc N side of Dorris Reservoir along shore 1372 Comment
  POM203846  Achillea millefolium John T. Howell 1934-6-30 12254 Modoc Duncan Horse Camp. Comment
  UCR34705  Achillea millefolium J. A. Harpel 1981-8-6 V- 32 Modoc Warner Mtns, South Warner Wilderness Area: E end of Patterson Lake, 7 mi NW of Eagleville 2744 Comment
  RSA606138  Achillea millefolium Louis C. Wheeler 1935-10-6 4027 Modoc Lily Lake, Pine Creek. (Mt. Diablo Mer.) 2073 Comment
  CAS-BOT-BC242287  Achnatherum Leland S. Smith 1924-5-31 s.n. Modoc W side Egg Lake. Comment
  UCD51458  Achnatherum X bloomeri B. L. Kay 1957-6-1 s.n. Modoc 2 miles northeast Likeley. 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
  CAS-BOT-BC242284  Achnatherum hymenoides Bruce Bartholomew 1991-6-22 5848 Modoc E side of Surprise Valley, 9.6 km E of Eagleville at the Nevada border. 1520 Comment
  UCD50448  Achnatherum lemmonii Beecher Crampton; with Carl Rimbey 1954-7-7 2134 Modoc West side of Cedar Pass, Warner Mountains. 1889 Comment
  UC1601365  Achnatherum nelsonii subsp. dorei L. D. Whitney 1935-7-12 Modoc Cottonwood Flat Comment
  UCD50983  Achnatherum occidentale L. Whitney 1935-7-11 3458 Modoc Glass Mountain, 4 miles east of Medicine Lake. Comment
  CAS-BOT-BC242315  Achnatherum occidentale subsp. californicum John Thomas Howell 1934-6-30 12273 Modoc Duncan Horse Camp. 1355 Comment
  RSA0034404  Achnatherum occidentale subsp. californicum L. C. Wheeler 1935-8-3 3752 Modoc Dismal Swamp, Twenty Mile Creek, Warner Mts. 2226 Comment
  UC1025001  Achnatherum occidentale subsp. occidentale Leo Whitney 1935-7-11 3458 Modoc 4 mi e Medicine Lake (Glass Mountain); Glass Mountain Comment
  UC1037159  Achnatherum occidentale subsp. occidentale Leo Whitney 1935-7-11 3450 Modoc ca 15 mi nw Canby (Hackamore); Modco National Forest, Hackamore 1463 Comment
  CAS-BOT-BC242309  Achnatherum thurberianum Clare Butterworth Hardham 1961-6-19 7859 Modoc Willow Creek. Comment
  HSC28308  Acmispon wrangelianus D. H. Norris, T. Nelson, S. Dowty 1971-6-23 19401 Modoc Along Hager Basin Rd. near Big Sage Reservoir. Comment
  UCD104524  Acmispon wrangelianus Robbins; Raynor 1943-6-1 s.n. Modoc Corporation Ranch, Likely. Comment
  CAS-BOT-BC218305  Aconitum columbianum Leland S. Smith 1922-7-20 1311 Modoc Rush Creek Ranger Station. 1905 Comment
  CAS-BOT-BC218312  Aconitum columbianum Bruce Bartholomew 1992-8-9 6382 Modoc Creek below Patterson Lake on Squaw Peak Trail to Owl Creek Trail, E side of Warner Mountains. 2650 Comment
  CAS-BOT-BC218313  Actaea rubra Francis Dorris Payne 1932-7-22 743 Modoc Parker Creek. 1584 Comment
  CAS-BOT-BC218319  Actaea rubra Leland S. Smith 1920-9-15 1104 Modoc E side of Round Valley. 1432 Comment
  JEPS81765  Adonis aestivalis Leland S. Smith July 1924 1514 Modoc near Pit River Ranger Station (along Pit River, Modoc National Forest, sw Modoc County); Modoc National Forest, Pit River Comment
  CDA20393  Aegilops cylindrica J. Moreo 2002-6-24 PDR 1151611 Modoc Northern California; Jasper Ranch, Willow Ranch, near New Pine Cr, Oregon. 0 Comment
  CAS-BOT-BC179877  Agastache urticifolia Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10535 Modoc Patterson Ranger Station (East Creek drainage). 2164 Comment
  JEPS77517  Agastache urticifolia L. R. Heckard with T. I. Chuang and R. C. Bacigalupi 1978-7-19 4884 Modoc Cedar Pass , Cedar Pass (Warner Mts.) 1920 Comment
  POM260185  Agastache urticifolia C. L. Hitchcock 1940-5-27 6704 Modoc 15 miles northeast of Alturas. 1616 Comment
  CAS-BOT-BC15650  Ageratina occidentalis Annie Montague Alexander; L. Kellogg 1946-8-9 5146 Modoc Patterson Lake Trail, Warner Mts. 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-BC15523  Agoseris X dasycarpa Bruce Bartholomew; B. Anderson 1988-7-22 4492 Modoc Vicinity of East Creek Trailhead, southern end of Warner Mountains 2210 Comment
  CAS-BOT-BC15525  Agoseris X dasycarpa Alice Eastwood; John Thomas Howell 1940-6-14 8250 Modoc Between Mammoth Cave and Lava Beds National Monument Comment
  HSC81033  Agoseris aurantiaca G. M. Riegel 1980-7-7 824 Modoc South Warner Mountains 2100 Comment
  SD46772  Agoseris glauca Robert J. Weatherby 1955-7-8 1617 Modoc 7 miles north of Ft. Bidwell, northern Warner Mountains. 1875 Comment
  SEINET2029689 Image available Agoseris glauca var. laciniata C. L. Hitchcock 1940-5-27 6707 Modoc 15 miles northeast of Alturas 1676 Comment
  CAS-BOT-BC23037  Agoseris grandiflora var. grandiflora John Thomas Howell 1934-6-11 11937 Modoc Parker Creek, Warner Mts. 1584 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
  CAS-BOT-BC15603  Agoseris retrorsa Bruce Bartholomew 1993-6-12 6579 Modoc Road to Day Rock from Little Hot Spring Valley. 1250 Comment
  CAS-BOT-BC242302  Agropyron cristatum Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16434 Modoc 4 mi. E of summit of Cedar Pass. Comment
  CAS-BOT-BC242303  Agropyron cristatum James D. Jokerst 1983-7-27 1914 Modoc Near Signal Butte. 1248 Comment
  UCD52303  Agrostis exarata L. Whitney 1935-6-29 s.n. Modoc edge of Hackamore Reservoir. Comment
  HSC8798  Agrostis idahoensis M. T. Milligan 1966-7-5 561 Modoc Slopes and ridges E of Jess Valley 1768 Comment
  UC1024978  Agrostis pallens Leo Whitney 1935-7-6 3420 Modoc near Lookout; Pit River Comment
  CAS-BOT-BC242416  Agrostis variabilis Louis Cutter Wheeler 1935-8-16 3873 Modoc Dismal Swamp. 2225 Comment
  CAS-BOT-BC242418  Agrostis variabilis Bruce Bartholomew; Barrett Anderson 1988-7-23 4587 Modoc Vicinity of Blue Bell Mine between Lily Lake and Dismal Swamp, Warner Mts.. 2170 Comment
  CAS-BOT-BC190682  Aliciella micromeria Bruce Bartholomew 1991-5-24 5695 Modoc Surprise Valley, 5.1 km E of Eagleville. 1370 Comment
  RSA520445  Aliciella micromeria Bruce Bartholomew 1990-6-17 5336 Modoc Surprise Valley, Se corner of Upper Alkali Lake. 1390 Comment
  CAS-BOT-BC245222  Alisma gramineum Alice Eastwood; John Thomas Howell 1940-6-12 8037 Modoc Likely. Comment
  UC985654  Alisma plantago-aquatica Herbert L. Mason 1947-7-11 13377 Modoc irrigation ditch near west side road (s of Alturas); South Fork of Pit River Comment
  UC985650  Alisma plantago-aquatica Herbert L. Mason 1947-8-15 13559 Modoc 11 mi from Davis Creek (spring leading into w side of Goose Lake); Goose Lake Comment
  UCD137998  Alisma triviale Herbert L. Mason 1955-8-13 14651 B Modoc southwest side of Goose Lake. Comment
  HSC26582  Allium acuminatum D. H. Norris, Thomas W. Nelson, S. Dwoty 1971-6-23 19384 Modoc Along Hager Basin Rd. near Big Sage Reservoir Comment
  RSA367055  Allium acuminatum George Willet 1935-6-25 s.n. Modoc Likely Mountains. 1982 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
  RSA152701  Allium acuminatum I. L. Wiggins, Dorothy Wiggins 1961-6-12 16383 Modoc Rocky clay mesa 5 mi. east of California State Highway 299, along Cedar Pass Rd. Comment
  UCD141853  Allium bisceptrum Beecher Crampton 1960-6-17 5693 Modoc McKay Flat, 13 miles west of Canby, 2.5 miles northeast Happy Camp Station. 1280 Comment
  CAS-BOT-BC244996  Allium bisceptrum var. bisceptrum Isabelo T. Kelly 1930-1-1 13 Modoc Buck Creek. Comment
  HSC25434  Allium lemmonii D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19494 Modoc Big Valley Summit, 6 mi. W of Adin on Hwy. 299 Comment
  HSC2949  Allium lemmonii M. T. Milligan 1964-6-17 43 Modoc 1 mi. N of Hwy. 139 on FS Rd. 44N15 1524 Comment
  JEPS47580  Allium lemmonii Frances D. Payne 1932-6-10 533 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  CAS-BOT-BC244960  Allium platycaule G. D. Hanna; M. M. Hanna 1956-6-1 s.n. Modoc Cedar Pass. Comment
  CAS-BOT-BC244971  Allium platycaule Francis Dorris Payne 1929-6-12 3 Modoc Parker Creek. 1584 Comment
  CAS-BOT-BC244974  Allium platycaule Margaret J. Williams 1984-6-28 84- 69 -1 Modoc End of Soldier Creek. 2072 Comment
  CAS-BOT-BC244977  Allium platycaule John H. Hatton 1911-6-13 68 Modoc Rush Creek. 1371 Comment
  HSC2973  Allium platycaule M. T. Milligan 1967-6-15 659 Modoc N end of Jess Valley 1616 Comment
  SBBG862  Allium platycaule H. and M. Dearing 1939-6-9 3619 Modoc near Squaw Peak, Warner Mtns 2133 Comment
  HSC81151  Allium platycaule G. M. Riegel 1980-8-13 1056 Modoc South Warner Mtns. 1829 Comment
  UCD141484  Allium platycaule M. Mann, L. K. Mann 1955-6-5 10 Modoc California. Modoc County: Near Cedarville Pass. Highway from Alturas to Cedarville over Cedar Pass. Three mi toward Alturas from edge of Modoc National Forest. Comment
  SEINET198607  Allium siskiyouense Annie M. Alexander, L Kellogg 1946-6-26 4835 Modoc Dismal Swamp N end of Warner Mtns 2256 Comment
  CAS-BOT-BC244957  Allium tolmiei var. tolmiei D. Toren; Barbara Trowbridge 1975-6-19 5246 Modoc Jess Valley to Blue Lake. 1524 Comment
  UC23565  Allophyllum gilioides subsp. gilioides Milo S. Baker 1893-6-20 Modoc Comment
  CAS-BOT-BC242345  Alopecurus aequalis Isabelo T. Kelly 1930-1-1 23 Modoc Modoc County. Comment
  HSC8874  Alopecurus aequalis M. T. Milligan 1966-6-30 510 Modoc Slopes and ridges E of Jess Valley 1768 Comment
  RSA603009  Alopecurus aequalis L. C. Wheeler 1935-10-6 4026 Modoc Lily Lake. Pine Creek, Warner Mts. 2073 Comment
  SJSU9664  Alopecurus aequalis W. Savage 1979-7-9 1509 Modoc pond near ranch house, Triangle, Devils Garden District, Modoc National Forest 1493 Comment
  JEPS119963  Alopecurus aequalis var. aequalis Lowell Ahart, John Dittes 2012-7-10 18308 Modoc Ash Creek State Wildlife Area, about 3.2 miles (air) west of Adin, about 8.4 miles (air) northeast of Bieber, Big Valley. Comment
  CAS-BOT-BC242336  Alopecurus geniculatus Bruce Bartholomew; Barrett Anderson 1988-5-14 4204 Modoc Hager Basin Reservoir between Crowder Flats and Big Sage Reservoir on USFS road 48N08. 1530 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
  UCD55818  Alopecurus saccatus L. D. Whitney 1935-7-12 s.n. Modoc Hackamore Reservoir. Comment
  CAS-BOT-BC497218  Alyssum desertorum Margaret J. Williams; Arnold Tiehm; Jan Nachlinger 1988-6-2 88- 27 -4 Modoc Hwy 395, 0.4 mi E of Susanville road after turn to Alturas Comment
  RSA152426  Alyssum minus I. L. Wiggins, Dorothy Wiggins 1961-6-13 16468 Modoc Roadside 2.6 miles N of Buck s Creek Ranger Station, E side of Goose Lake. Comment
  CHSC118075  Alyssum simplex L. P. Janeway 2016-5-16 12000 Modoc Modoc Plateau. Devils Garden area; along Road 46N05A (Apple-gate 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
  CDA34280  Amaranthus blitoides L. Ahart, J. 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, and about 7.7 miles (air) northeast of Bieber, Big Valley. Comment
  CHSC99903  Amaranthus powellii Lowell Ahart; John Dittes 2008-8-25 15290 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
  NY849711  Amelanchier alnifolia var. alnifolia C. L. Hitchcock 1940-5-27 6701 Modoc 15 miles northeast of Alturas 1676 Comment
  CAS-BOT-BC217081  Amelanchier utahensis C. Wolf 1931-9-5 2400 Modoc Warner Mts., on grade 3 mi. above E base, road from Lake City-Fort Bidwell Road-Davis Creek. 1676 Comment
  CAS-BOT-BC217084  Amelanchier utahensis Alice Eastwood; John Thomas Howell 1940-6-12 8066 Modoc Between Likely and Jess Valley. Comment
  CAS-BOT-BC217087  Amelanchier utahensis Roxana Stinchfield Ferris; R. Duthie 1919-6-15 138 Modoc Below Modoc Nat. Forest Boundary along Parker Creek. Comment
  CAS-BOT-BC217093  Amelanchier utahensis Bruce Bartholomew 1989-7-15 4985 Modoc 7 km from State Hwy 299 on road to Manzanita Mountain. 1830 Comment
  CAS-BOT-BC217100  Amelanchier utahensis John Thomas Howell 1934-6-12 12040 Modoc N side of Fandango Valley. Comment
  CAS-BOT-BC248336  Amelanchier utahensis B. Bartholomew; H. Sun 2002-6-24 8816 Modoc Ridge top just S of Manzanita Mt. and 15.3 straight line km NW of Aden 2070 Comment
  UC748391  Amelanchier utahensis Annie M. Alexander and Louise Kellogg 1946-6-5 4658 A Modoc s of Eagleville (Emerson Creek); Warner Mountains, Emerson Creek 1783 Comment
  UCD48753  Amphiscirpus nevadensis Louis C. Wheeler 1935-9-4 3944 Modoc McGinty Point, Goose Lake, Modoc. Co. 1463 Comment
  CAS-BOT-BC54153  Amsinckia menziesii Alice Eastwood; John Thomas Howell 1940-6-13 8161 Modoc Fort Bidwell. Comment
  CAS-BOT-BC54155  Amsinckia menziesii Bruce Bartholomew 1992-5-16 6319 Modoc Arnett Spring, N of Bayley Reservoir. 1510 Comment
  SBBG117357  Amsinckia menziesii S. Martin 1990-4-21 12 Modoc Modoc Plateau; T44N, R11E, NW/4, SW/4, S8 Comment
  RSA0089940  Amsinckia menziesii Verne Grant, Irving Schneider 1947-7-18 8044 Modoc Eastside Canal, 5 miles north of Bayley s bridge, south of Alturas. Comment
  UC71571 Image available Amsinckia remotifructus Mrs. M. H. Manning 1903-1 181 Modoc near Fort Bidwell; northeastern Modoc County; near Ft. Bidwell, Modoc Co. Comment
  CAS-BOT-BC54170  Amsinckia tessellata var. tessellata John Thomas Howell 1934-6-16 12214 Modoc Parker Creek, Warner Mountains 1584 Comment
  UC1540003  Amsinckia tessellata var. tessellata M. Mitchell 1936-5-21 48 Modoc 2 mi se of Hospital Rock; Lava Beds National Monument 1249 Comment
  UC1035989  Amsinckia tessellata var. tessellata Helen K. Sharsmith 1955-6-22 4502 Modoc just outside w boundary of Modoc National Forest (w slope Warner Mountains, West Valley resevoir); Warner Mountains, West Valley 1524 Comment
  CAS-BOT-BC15605  Ancistrocarphus filagineus Alice Eastwood; John Thomas Howell 1940-6-15 8298 Modoc 5 mi. N of Lookout. Comment
  CAS-BOT-BC15607  Ancistrocarphus filagineus Bruce Bartholomew 1991-6-22 5860 Modoc Near N side of Big Mud Lake at the Nevada State boundary. 1680 Comment
  CAS-BOT-BC218331  Anemone Francis Dorris Payne 1931-6-29 285 Modoc E side of Mt. Warren, Warner Mts. Comment
  CAS-BOT-BC15616  Antennaria argentea Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-15 16504 Modoc 22 mi. W of Canby along Hwy 139. Comment
  UC134217  Antennaria dimorpha Mrs. R. M. Austin 1885-6-1 Modoc Goose Lake Valley Comment
  UC29494  Antennaria geyeri Milo S. Baker 1893-6-20 Modoc Sear<?> beds Comment
  RSA0062305  Antennaria luzuloides Lowell Ahart, John Dittes 2011-6-22 17554 Modoc About 50 yards east of the road, about 100 yards northeast 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
  UC485489  Antennaria luzuloides Mrs. R. M. Austin May 1894 38 Modoc Goose Lake Valley Comment
  UC71686  Antennaria luzuloides Mrs. M. H. Manning 1903-5-17 129 Modoc Mt. Bidwell North-east Modoc County, Mt. Bidwell 1524 Comment
  JEPS118258  Apera interrupta Lowell Ahart, John Dittes 2011-6-22 17549 Modoc On the west 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 Adin, 10 miles (air) east of Lookout, Big Valley 1264 Comment
  HSC27369  Apocynum androsaemifolium D. H. Norris, T. Nelson, S. Dowty 1971-6-23 19515 Modoc Big Valley Summit, 6 mi. W of Adin on Hwy. 299 Comment
  HSC3212  Apocynum androsaemifolium M. T. Milligan 1965-6-30 382 Modoc E of Jess Valley 1677 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-BC218334  Aquilegia formosa var. formosa Elmer Ivan Applegate 1933-8-2 8080 Modoc Mill Creek Meadows, Warner Mts. 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
  UC402648  Arabis Mrs. M. H. Manning May 1907 721 Modoc Warner Range Comment
  RSA0126331  Arabis hirsuta R. Weatherby 1955-7-8 1624 Modoc 6 miles N of Ft. Bidwell. Northern Warner Mtns. 1738 Comment
  NY112499  Arabis holboellii var. pinetorum B. M. Bartholomew 1988-5-13 4178 Modoc Juniper Flats, 10 km E of Likely on road to Jess Valley, W side of Warner Mtns. 1450 Comment
  NY114823  Arabis puberula G. Schoolcraft 1981-5-12 388 Modoc South of Alturas near Jones Lane 1402.1 Comment
  NY114822  Arabis puberula R. C. Rollins 1981-6-1 81192 Modoc Warner Mtns., 3.3 miles W of Lake City Comment
  UC1078879  Arceuthobium campylopodum Job Kuijt 1957-5-28 1380 Modoc rd n from Bartel away from Hwy 89 to Whitehorse Modoc National Forest 1341 Comment
  CAS-BOT-BC95661  Arctostaphylos patula C. C. (Mrs.) Bruce 1894-5-1 71 Modoc Willow Ranch. Comment
  UC21879  Arctostaphylos patula Milo S. Baker 1893-6 Modoc mountain sides Comment
  UC748049  Arenaria congesta var. congesta Annie M. Alexander and Louise Kellogg 1946-7-7 4925 Modoc Eight Mile Creek 1752 Comment
  JEPS51402  Arenaria congesta var. congesta L. S. Smith 1917-7-17 842 Modoc Granger Mill Country Warner Mts. Deep Creek 1828 Comment
  UCR87508  Arenaria tenella George K. Helmkamp, E. A. Helmkamp 1993-5-4 s.n. Modoc 35.6 miles NW of Canby along Calif. Hwy 139 1280 Comment
  UC1025107  Aristida oligantha Leo Whitney 1935-8-19 3627 Modoc RS-1, U.S.B.E. Comment
  CAS-BOT-BC15449  Arnica chamissonis subsp. foliosa Elmer Ivan Applegate 1897-6-7 846 Modoc Clear Lake. Comment
  CAS-BOT-BC15569  Arnica chamissonis subsp. foliosa Bruce Bartholomew 1989-7-15 4992 Modoc Sweagert Flat. 1860 Comment
  CAS-BOT-BC15406  Arnica cordifolia Francis Dorris Payne 1929-7-26 113 Modoc Pine Creek Basin. 2316 Comment
  CAS-BOT-BC15413  Arnica cordifolia Bruce Bartholomew 1990-6-15 5232 Modoc Flat between Deer Spring Ridge and Sweagert Flat. 1900 Comment
  CAS-BOT-BC15417  Arnica cordifolia Mrs. H. C. Cantelow 1940-6-1 s.n. Modoc Cedar Pass, Warner Mtns. at the summit. E. of Alturas Comment
  HSC12533  Arnica cordifolia M. S. Baker 1893-1 Modoc Forestdale Comment
  UC892069  Arnica cordifolia C. L. Hitchcock 1940-5-27 6702 Modoc 15 mi ne, on grassy hillside in canyon Alturas 1676 Comment
  UCR267415  Arnica cordifolia Jim Andre, Glenn L. Clifton 1993-6-12 29993 Modoc Warner Mountains, Cedar Pass, Hwy 299, Modoc National Forest 1919 Comment
  UC726188  Arnica fulgens A. A. Heller 1941-6-26 16266 Modoc Adin Pass 1577 Comment
  UC936271  Arnica fulgens Annie M. Alexander and Louise Kellogg 1946-6-14 4748 Modoc 1/4 mi on branch to Silver Creek Patterson Mill Road; Silver Creek 1828 Comment
  UC936191  Arnica longifolia Annie M. Alexander and Louise Kellogg 1946-7-23 5055 Modoc Emerson Peak , Warner Mountains Comment
  CAS-BOT-BC15292  Arnica mollis Elmer Ivan Applegate 1932-7-6 8237 Modoc Lily Lake. Comment
  CHSC111997  Arnica mollis B. Castro; L. P. Janeway 2008-8-17 1752 Modoc Warner Mountains. North slope of Bald Mountain; mid-slope not far above last row of trees. . 2310 Comment
  HSC46305  Arnica mollis J. P. Smith, J. O. Sawyer 1973-8-8 7217 Modoc Near summit of Eagle Peak 2988 Comment
  CAS-BOT-BC15294  Arnica nevadensis Robert Patterson; Mona Bourell 1993-8-14 5217 Modoc Patterson Lake. South Warner Wilderness Area. Warner Mountains. 2743 Comment
  UCD35725  Artemisia arbuscula Beecher Crampton 1960-6-17 5688 Modoc 5 miles south of Perez, Plant Quarantine Station area. 1371 Comment
  SEINET2164562  Artemisia arbuscula subsp. arbuscula A. A. Beetle 1957-8-16 12 , 915 Modoc 15 miles south of Alturas 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
  CHSC67334  Artemisia cana subsp. bolanderi J. D. Jokerst 1986-8-11 2759 Modoc Radar Site Survey S of Doublehead Mtn., S of road to Doublehead Mtn. Comment
  CHSC112756  Artemisia douglasiana Lowell Ahart; John Dittes 2013-7-24 18935 Modoc South bank of Ash Creek Canal, south of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. 1268 Comment
  POM229967  Artemisia ludoviciana subsp. candicans L. C. Wheeler 1935-8-14 3848 Modoc Sunny lake shore above high water line Lily Lake, Pine Creek, Warner Mts. 2073 Comment
  CAS-BOT-BC15261  Artemisia ludoviciana subsp. incompta Elmer Ivan Applegate 1934-8-1 8044 Modoc E slope of Warren Peak. Comment
  CAS-BOT-BC15262  Artemisia ludoviciana subsp. incompta Elmer Ivan Applegate 1932-8-5 8167 Modoc Cedar Mountain. Comment
  UC1776690  Artemisia ludoviciana subsp. incompta G. Schoolcraft 1999-7-13 2865 Modoc Lower slopes of Warner Mountains 3 miles N of Eagleville, CA 1463 Comment
  JEPS6002  Artemisia ludoviciana subsp. incompta Frances D. Payne 1933-8-6 776 Modoc 2 mi. sw. Warren Mountain (southwestern Modoc County); Pine Creek Basin 2316 Comment
  UCD129331  Artemisia ludoviciana subsp. incompta K. L. Chambers; Ron Tyrl 1965-9-22 2432 Modoc Cedar Pass, Warner Mountains. Northern portion of the state. 1920 Comment
  CAS-BOT-BC15264  Artemisia ludoviciana subsp. ludoviciana Bruce Bartholomew 1992-8-10 6401 Modoc Rush Creek just N of Round Valley on Highway 299. 1350 Comment
  CHSC115570  Artemisia ludoviciana subsp. ludoviciana Lowell Ahart; John Dittes 2015-7-15 20343 Modoc Hillside, about 400 yeards northeast of the old barn, on the south side of the overgrown road, Ash Creek State Wildlife Area, about 3.9 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1269 Comment
  RSA0039540  Artemisia ludoviciana subsp. ludoviciana Lowell A. Ahart, John Dittes 2008-8-25 15278 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
  UC1540166  Artemisia ludoviciana subsp. ludoviciana Dean W. Taylor 1987-8-9 9277 Modoc 1371 Comment
  RSA534596  Artemisia ludoviciana subsp. ludoviciana Bruce Bartholomew, B. Anderson 1990-7-20 5456 Modoc Margin of Goose Lake at S end of the causeway to McGinty Point. 1440 Comment
  SJSU9636  Artemisia ludoviciana subsp. ludoviciana W. Savage 1979-7-7 1457 Modoc Triangle, Fairchild Swamp Unit (SW corner), Devils Garden District, Modoc National Forest 1508 Comment
  CAS-BOT-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
  UC105340  Asclepias fascicularis Mrs. R. M. Austin July 1894 Modoc Goose Lake Valley Comment
  JEPS49947  Asclepias fascicularis L. S. Smith 1918-8-13 1034 Modoc below Lost Lake; Modoc National Forest 1524 Comment
  RSA607254  Aster ascendens L. C. Wheeler 1935-8-27 3925 Modoc S Mt. Spring, Devil's Garden. 1524 Comment
  CHSC106317  Aster frondosus Lowell Ahart; John Dittes 2010-8-31 17123 Modoc Edge of pond, about 400 yards west of Elkins Lane and the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  POM312507  Aster frondosus H. L. Mason 1947-8-11 13487 Modoc Reservoir, Kelley Hot Springs, on Alturas-Conby Highway Comment
  CAS-BOT-BC180154  Astragalus Annie Montague Alexander; L. Kellogg 1946-6-10 4717 Modoc Slope facing Lower Lake, lava bench below Lower and Snake lakes. Comment
  NY790904  Astragalus agrestis Mrs. C. C. Bruce 06 1898 2212 Modoc Madaline Plains Comment
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Aug 21 2016
  CDA26646  Astragalus curvicarpus T. C. Fuller 1965-6-2 13592 Modoc West side of Canby-Tulelake Highway, ca. 1 mile north of the Tulelake Quarantine Station. 0 Comment
  CAS-BOT-BC218211  Astragalus curvicarpus var. curvicarpus James D. Jokerst 1983-7-27 1913 Modoc Near Signal Butte. 1340 Comment
  CAS-BOT-BC218221  Astragalus curvicarpus var. curvicarpus Elmer Ivan Applegate 1897-5-31 880 Modoc E side of Tule Lake below Bloody Point. Comment
  CAS-BOT-BC218224  Astragalus curvicarpus var. curvicarpus John Thomas Howell 1934-7-1 12333 A Modoc Duncan Horse Camp. 1355 Comment
  NY803542  Astragalus curvicarpus var. curvicarpus A. A. Heller 1938-6-24 15225 Modoc On banks along U.S. Highway 299, between Alturas and Canby 1341 Comment
  CHSC99289  Astragalus filipes 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
  NY658497  Astragalus filipes B. J. Ertter 1988-6-18 7619 Modoc Hwy. 139 ca. 50 airmiles SW of Klamath Falls, a few miles N of Agricultural Inspection Station, 1 mile S of S jct. to Lava Beds Nat'l Monument E of Tonesta 1310.6 Comment
  UCR42407  Astragalus filipes G. R. Ballmer 1986-5-17 s.n. Modoc Along Hwy 139 from Klamath Falls to Alturas, east of Lava Beds National Monument, 9 mi. north of Perez. 1280 Comment
  CAS-BOT-BC182964  Astragalus filipes Margaret J. Williams 1983-7-31 83- 125 -1 Modoc Ash Valley road, 17 mi from Aden 1828 Comment
  CDA26666  Astragalus filipes T. C. Fuller 1965-6-2 13593 Modoc South side of Highway 299 to Canby, 10.3 miles west of Alturas. 0 Comment
  RSA303498  Astragalus filipes James R. Shevock 1972-5-20 1811 Modoc 17 miles So. of Alturas, Hwy 395. 1372 Comment
  RSA520483  Astragalus filipes Bruce Bartholomew, B. Anderson 1989-6-2 4811 Modoc NE side of Upper Lake, 4km S of road to Fee Reservoir, NE end of Surprise Valley. 1420 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-BC182057  Astragalus lentiginosus var. lentiginosus R. M. Austin 1898-7-1 2210 Modoc Shore, Goose Lake. 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
  CAS-BOT-BC182054  Astragalus malacus Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-10 6449 Modoc At the Nevada border directly E of Eagleville, E side of Surprise Valley. 1520 Comment
  CAS-BOT-BC182049  Astragalus obscurus Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-13 6535 Modoc Just W of Mud Lake on road to West Valley Reservoir. 1460 Comment
  CAS-BOT-BC182029  Astragalus purshii Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-15 16505 -A Modoc 22 mi. W of Canby along Highway 139. Comment
  CAS-BOT-BC182037  Astragalus purshii Bruce Bartholomew; Barrett Anderson 1989-4-28 4643 Modoc 6.8 km N of State Highway 299 on road to Raker & Thomas Reservoir. 1400 Comment
  CAS-BOT-BC182042  Astragalus purshii Bruce Bartholomew 1991-5-25 5751 Modoc Ca. 6 km NW of Tionesta on road to Lava Beds National Monument. 1310 Comment
  CAS-BOT-BC182023  Astragalus purshii Elmer Ivan Applegate 1936-7-4 10511 Modoc N slope of Caldwell Butte, Lava Beds National Monument. Comment
  CAS-BOT-BC182043  Astragalus purshii E. H. Steffen 1917-5-26 14 Modoc West Valley Camp. 1554 Comment
  SEINET3134681  Astragalus purshii var. lagopinus L. S. Rose 1940-6-14 40583 Modoc Mammoth Cave, 5 mi W of Perez 1280 Comment
  RSA101378  Astragalus purshii var. tinctus R. Weatherby 1955-7-8 1636 Modoc 3 miles north of Ft. Bidwell, northern Warner Mts. 1555 Comment
  UC1037200  Astragalus purshii var. tinctus Leo Whitney 1934-5-13 1549 Modoc near Timbered Mountains (Devil's Garden, Alturas); Devil's Garden, near Timbered Mountain, Alturas 1524 Comment
  RSA60236  Astragalus purshii var. tinctus E. K. Balls 1950-5-12 14645 Modoc West of Bucks Creek Ranger Station, Modoc National Forest; east of Goose Lake. 1707 Comment
  UC190588  Astragalus purshii var. tinctus M. F. Gilman 545 Modoc dry hills 1524 Comment
  UC397280  Astragalus purshii var. tinctus Mrs. M. H. Manning May 1907 715 Modoc e side Warner Range Comment
  RSA163835  Astragalus whitneyi var. confusus Clare B. Hardham 1961-6-18 7578 Modoc Mtns S of Cedar Pass. 1982 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-BC182012  Astragalus whitneyi var. lenophyllus C. L. Hitchcock 1940-5-27 6693 Modoc 15 mi. NE of Alturas. 1615 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
  CAS-BOT-BC58460  Athysanus pusillus Bruce Bartholomew; Mona Bourell 1990-4-26 5157 Modoc 0.5 km S of Day. 1100 Comment
  SEINET5340470  Athysanus pusillus R. C. Rollins, K. W. Rollins 1981-6-1 81189 Modoc Cedar Summit, between Alturas and Cedarville, off California Hwy. 299. 1890 Comment
  UC10228  Athysanus pusillus Milo S. Baker 1893-6-4 Modoc Modoc County, California Modoc County; , California Comment
  CAS-BOT-BC95508  Atriplex confertifolia Bruce Bartholomew; Barrett Anderson 1989-6-2 4818 Modoc Sand dunes at the SE corder of Upper Alkali Lake, E side of Surprise Valley. 1400 Comment
  NY526833  Atriplex confertifolia B. M. Bartholomew 1989-4-29 4707 Modoc Southwest corner of Lower Lake, 1.8 km north of the Lassen County line, Surprise Valley. 1370 Comment
  UCD97637  Atriplex prostrata Herbert L. Mason 1947-8-9 13477 Modoc on east side of Fairchild Swamp, north of Alturas. Comment
  POM312478  Atriplex rosea H. L. Mason 1947-8-9 13477 Modoc East side of Fairchild Swamp, north of Alturas Comment
  POM260881  Atriplex truncata Alice Eastwood, J. T. Howell 1940-6-12 8100 Modoc Midway between Likely and Alturas. Comment
  POM119140  Azolla filiculoides C. C. Bruce 1897-10-15 2114 Modoc Pitt River Comment
  UC472199  Balsamorhiza Franklin P. Nutting Modoc near Egg Lake Comment
  CHSC30393  Balsamorhiza hookeri Sandra C. Morey 1980-4-26 77 Modoc Hwy 299, ca. 3.7 mi N of jctn with Hwy 139. 1280 Comment
  CHSC67160  Balsamorhiza hookeri James D. Jokerst 1994-5-20 4062 Modoc Near Hog Reservoir N of Canby, N of Hwy. 139, N of railroad, E of gravel road to Hog Lake. Comment
  SEINET10958200  Balsamorhiza hookeri LeRoy E. Detling 1948-5-24 Detling 6254 Modoc N. Fork Pit River. 1463 Comment
  CAS-BOT-BC15131  Balsamorhiza sagittata Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-15 16502 Modoc 22 mi. W of Canby along Hwy 139. Comment
  RSA149085  Balsamorhiza sagittata Dorothy Wiggins 1961-6-15 16502 Modoc 22 miles W of Canby along Hwy 139 Comment
  RSA60231  Balsamorhiza serrata E. K. Balls 1950-5-13 14672 Modoc West shore of Goose Lake, 0.5 mile south of Oregon-California State line. 1463 Comment
  SEINET11841141  Balsamorhiza serrata W. A. Weber 1953-1 8455 Modoc 23 mi NW of Davis Creek, W shore of Goose Lake 1463 Comment
  CAS-BOT-BC58670  Barbarea orthoceras Bruce Bartholomew 1994-7-2 6782 Modoc 5.0 km SE of Joseph Creek Basin on the W side of the Warner Mountains. 1930 Comment
  CHSC100116  Bassia hyssopifolia L. P. Janeway; B. Castro 2008-8-16 9547 Modoc Modoc Plateau. Surprise Valley; east side of Middle Alkali Lake, south side of Hwy 299 10.5 km east of Cedarville. 1378 Comment
  JEPS117917  Bassia hyssopifolia L. P. Janeway, B. Castro 2008-8-16 9547 Modoc Surprise Valley Modoc Plateau (east side of Middle Alkali Lake, south side of Hwy 299 10.5 km east of Cedarville) 1378 Comment
  CAS-BOT-BC248383  Beckmannia syzigachne Robert F. Thorne; C. W. Tilforth 1969-9-4 39057 Modoc 2 mi W of Davis Creek (town), S. of Goose Lake 1432 Comment
  UCD56786  Beckmannia syzigachne A. A. Beetle 1944-8-17 3037 Modoc 1 mile south of Alturas. Comment
  HSC100068  Beckmannia syzigachne G. D. Barbe, John Kelley 1988-7-20 4298 Modoc Modoc National Wildlife Refuge, SE of Alturas, MDB & M. Comment
  CAS-BOT-BC54180  Berberis aquifolium var. repens Bruce Bartholomew 1995-6-2 6943 Modoc Lake City Canyon on road between Lake City and Benton Meadow, E side of the Warner Mountains. 1690 Comment
  UC472305  Berberis aquifolium var. repens Belknap C. Goldsmith 1911-6-15 Modoc N Fork Davis Creek, w slope of Warner Mts N Fork Davis Creek; Modoc Forest, Warner Mts Comment
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Nov 27 2011
  CAS-BOT-BC21487  Berula erecta Bruce Bartholomew 1991-10-13 6122 Modoc Just N of Surprise Valley Mineral Hot Springs, ca. 8 km W of Cedarville, Surprise Valley. 1320 Comment
  NY526246  Betula glandulosa A. M. Alexander 1946-6-25 4819 Modoc Dismal Swamp, north end of Warner Mountains 2255.5 Comment
  RSA603852  Bidens cernua L. C. Wheeler 1935-9-22 3996 Modoc Warm Springs Valley: Pit River at Rattlesnake Butte. 1341 Comment
  CAS-BOT-BC15145  Bidens cernua var. cernua John Thomas Howell 1934-7-2 12354 Modoc Nigger Ben Spring, SE end of Clear Lake. Comment
  CAS-BOT-BC218116  Bistorta bistortoides Bruce Bartholomew; Barrett Anderson 1988-7-22 4545 Modoc Benton Meadow, Warner Mts.. 2180 Comment
  CAS-BOT-BC218118  Bistorta bistortoides Bruce Bartholomew 1990-6-15 5236 Modoc SE corner of Sweagert Flat. 1860 Comment
  CHSC109734  Bistorta bistortoides B. Castro; L. P. Janeway 2012-7-27 1975 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
  HSC17484  Bistorta bistortoides M. T. Milligan 1964-6-25 85 Modoc Upper Lassen Creek 1829 Comment
  NY407593  Bistorta bistortoides B. M. Bartholomew 1988-7-22 4545 Modoc Benton Meadow, Warner Mountains, Davis Creek 15' Quad. 2180 Comment
  UCD98821  Bistorta bistortoides Harry A. George 1967-6-15 s.n. Modoc Egg Lake, Gridley. Comment
  CAS-BOT-BC15081  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-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-BC15084  Blepharipappus scaber R. M. Austin; C. C. (Mrs.) Bruce 1898-7-1 2322 Modoc Davis Creek. Comment
  CAS-BOT-BC15125  Blepharipappus scaber Milo Samuel Baker 1936-6-16 8353 Modoc Hwy 395 between Alturas and Likely. Comment
  CDA19753  Blepharipappus scaber Anon. 1959-7-7 Modoc Modoc Plateau; Graven Reservoir. 0 Comment
  HSC5985  Blepharipappus scaber R. C. Wunner 1965-7-1 321 Modoc California Lava Beds National Monument; top of Gillems Bluff near NW Ranger Station 1372 Comment
  JEPS38121  Blepharipappus scaber L. S. Smith 1918-5-2 919 Modoc hills around Adin Adin 19 Comment
  OBI77379  Blepharipappus scaber Lewis S. Rose 1940-6-14 40566 Modoc Kelly Hot Springs 1341 Comment
  SEINET11261377  Blepharipappus scaber David D. Keck, J. Clausen 1935-6-23 3711 Modoc 3 mi northeast of Willow Ranch, east of Goose Lake.; 0 1554 Comment
  SEINET5512251  Blepharipappus scaber J. C. Beatley 1964-1 Modoc Tule Lake area NTS Herbarium coll. Drainage area: Tule Lake 1829 Comment
  UC71684  Blepharipappus scaber Mrs. M. H. Manning 1904-8-22 300 Modoc Warner Range 1981 Comment
  UC894093  Blepharipappus scaber Lewis S. Rose 1940-6-14 40566 Modoc Kelly Hot Springs 1341 Comment
  RSA0125878  Boechera C. L. Hitchcock 1940-5-27 6714 Modoc 15 miles NE of Alturas. 1677 Comment
  CAS-BOT-BC95729  Boechera pauciflora Milo Samuel Baker; Franklin P. Nutting 1894-1-1 Modoc Near Egg Lake. Comment
  CAS-BOT-BC95730  Boechera pauciflora Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-13 6539 Modoc Just W of West Valley Reservoir. 1460 Comment
  UC748370  Boechera pauciflora Annie M. Alexander and Louise Kellogg 1946-6-22 4817 Modoc edge of Bidwell Creek Warner Mountains, Bidwell Creek Comment
  CAS-BOT-BC14093  Boechera pauciflora Annie M. Alexander; Louise Kellogg 1946-6-30 4880 Modoc North end of Warner Mountains. Highgrade, west side of ridge. Edge meadow. 2377 Comment
  CAS-BOT-BC248345  Boechera pinetorum B. Bartholomew; H. Sun 2002-6-24 8828 Modoc Ca. 1 km NW of Bald Mt., E side of the Warner Mountains 2290 Comment
  JEPS53130  Boechera platysperma W. L. Jepson 1918-8-13 7973 Modoc Summit, Eagle Peak Warner Mts., Eagle Peak 3017 Comment
  CAS-BOT-BC100298  Boechera puberula Roxana Stinchfield Ferris; R. Duthie 1919-6-14 65 Modoc Above Parker Creek, near Nat. Forest Boundary. Comment
  CAS-BOT-BC35125  Boechera puberula Leland S. Smith 1920-6-15 1200 Modoc Bieber Range. 1371 Comment
  CAS-BOT-BC95738  Boechera sparsiflora Bruce Bartholomew; Barrett Anderson 1989-4-29 4668 Modoc 6.4 km E of Fort Bidwell on road to Fee Reservoir, NE corner of Surprise Valley. 1460 Comment
  POM204158  Boisduvalia glabella J. T. Howell 1934-7-2 12351 Modoc Mowitz Creek, 1 mile S of Clear Lake. Comment
  RSA210868  Boisduvalia glabella Robert F. Thorne, J. Henrickson, C. W. Tilforth 1969-9-4 39122 Modoc N Fork of Pit River 3.4 mi N of Alturas where crossed by Highway 395. 1341 Comment
  UC1199880  Botrychium simplex Annie Alexander and Louise Kellogg 1946-8-3 5111 Modoc Eagle Creek, head of Warner Mountains Comment
  JEPS89874  Botrychium simplex var. simplex Dean Wm. Taylor with Glenn L. Clifton 1989-8-5 10474 Modoc North Emerson Lake Warner Mts., North Emerson Lake 2392 Comment
  NY119752  Brassica napus M. J. Williams 1988-5-28 88- 21 --1 Modoc Crowder Flat road, W of Alturas. Road leads to Devil's Garden and Big Sage Reservoir and is near Hwy. 299 Comment
  CHSC70713  Brickellia microphylla A. Sanger 1997-8-27 2610 Modoc South of Hwy 299 on Cedar Pass just north of the gravel shack at the proposed Cedar Creek trailhead. 1584 Comment
  CHSC38984  Brodiaea coronaria J. D. Jokerst 1983-7-12 1838 Modoc Just south of the junction of Hwy 139 and Loveness Rd. 1478 Comment
  CAS-BOT-BC244943  Brodiaea coronaria subsp. coronaria Bruce Bartholomew 1994-7-1 6751 Modoc 7.6 km NW of County Road 91 between Lookout and Lookout Jct. on County road 93. 1280 Comment
  CAS-BOT-BC242446  Bromus briziformis Bruce Bartholomew; Barrett Anderson 1989-6-3 4859 Modoc Crowder Flat Road at Fletcher Creek. 1550 Comment
  RSA180226  Bromus briziformis Clare B. Hardham 1961-6-18 7520 Modoc Cedar Pass. 1829 Comment
  UCSB29269  Bromus briziformis Hardham, Clare 1961-6-18 Modoc Cedar Pass 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
  CAS-BOT-BC242426  Bromus carinatus var. carinatus Leland S. Smith 1924-5-26 s.n. Modoc Pit River, near Ranger Station. 1371 Comment
  CAS-BOT-BC242435  Bromus carinatus var. carinatus John H. Hatton 1911-6-10 27 Modoc unspecified Comment
  UC1024864  Bromus carinatus var. carinatus Leo Whitney 1935-5-30 3162 a Modoc 18 mi wnw of Canby (Hole-in-the-rock); Hole-in-the-rock Comment
  UCD32729  Bromus commutatus Beecher Crampton 1954-7-7 2168 Modoc Modoc County, 2.5 miles east of Alturas, near radio station KCNO. Comment
  SJSU9684  Bromus inermis Wayne Savage 1979-7-26 1569 Modoc Round Willows Unit, Devils Garden Ranger District, Modoc National Forest 1584 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
  CAS-BOT-BC242455  Bromus tectorum Bruce Bartholomew; Barrett Anderson 1989-6-2 4775 Modoc Buck Creek, 1 cm NE of Fandango Pass Road, W side of the Warner Mountains. 1660 Comment
  HSC9121  Bromus tectorum M. T. Milligan 1964-6-4 29 Modoc East D St. between 4th and 5th St., Alturas 1372 Comment
  UCD59876  Bromus tectorum Annie M. Alexander; Louise Kellogg 1946-6-18 4795 Modoc Patterson Mill--Silver Creek roads. 1828 Comment
  JEPS69220  Bromus tectorum L. S. Smith 1917-7-24 145 Modoc Warner Mountains, Joseph Creek Joseph Creek; Warner Mountains, Joseph Creek 1706 Comment
  POM312334  Callitriche hermaphroditica H. L. Mason, Verne Grant 1947-7-12 13403 Modoc Irrigation ditch by Jones' Lane, off Hwy 395, several miles S of Alturas. 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-BC95095  Callitriche palustris Herbert Louis Mason; Verne Grant 1947-7-11 13366 Modoc By Jones Lane, off Highway 395, S of Alturas. Comment
  SEINET11051776  Calocedrus decurrens R. R. Halse 2006-8-4 6999 Modoc N end of the Warner Mountains, E slope, along Highgrade Road, ca 4.4 miles N of Fort Bidwell. 1765 Comment
  CAS-BOT-BC244931  Calochortus leichtlinii K. Paulson; Robert Paulson 1989-7-12 177 Modoc Ca. 2 mi. N of Mill Creek Falls, W side of Warner Mts. 1920 Comment
  CAS-BOT-BC244934  Calochortus leichtlinii Bruce Bartholomew 1991-8-5 6028 Modoc Summit Trail between Pepperdine and Squaw Peak, W side of Warner Mts. 2190 Comment
  CAS-BOT-BC244937  Calochortus leichtlinii Barrett Anderson 1986-7-10 3205 Modoc West Warner Rd just S of the N Fork of Fitzhugh Creek. 1980 Comment
  UC1036071  Calochortus leichtlinii Annie M. Alexander and Louise Kellogg 1946-7-22 5037 Modoc w of Warner Mts. divide (Patterson Mill Road); Warner Mts. Comment
  UC3505  Calochortus longebarbatus var. longebarbatus M. S. Baker and Frank Nutting 1894-6-29 Modoc near Lookout; Big Valley Comment
  CAS-BOT-BC242141  Calochortus macrocarpus Bruce Bartholomew 1991-8-4 6017 Modoc Vicinity of Mud Lake, 3.9 km by road S of Drift Fence Tank and ca. 8 km directly W of Goose Lake. 1580 Comment
  CAS-BOT-BC242144  Calochortus macrocarpus R. M. Austin 1895-8-1 489 Modoc Davis Creek. Comment
  CAS-BOT-BC242147  Calochortus macrocarpus Bruce Bartholomew; Barrett Anderson 1990-7-19 5392 Modoc Turner Creek at County Rd 90, N end of Big Valley, 6.4 km N of Lassen County border. 1230 Comment
  CAS-BOT-BC217330  Caltha leptosepala Bruce Bartholomew 1992-5-15 6302 Modoc Tamarack Flat, E side of the Warner Mountains. 2160 Comment
  HSC17642  Calyptridium umbellatum M. T. Milligan 1964-7-25 167 Modoc Pine Creek Basin, along trail. 2439 Comment
  HSC64521  Calyptridium umbellatum J. P. Smith, J. O. Sawyer 1973-8-8 7226 Modoc Near summit of Eagle Peak 2988 Comment
  JEPS52529  Calyptridium umbellatum Milo S. Baker 1893-6 Modoc Egg Lake 1371 Comment
  UC7759  Calyptridium umbellatum Mrs. R. M. Austin and Bruce June 1898 2225 Modoc Goose Lake Valley 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
  UC196137  Calystegia occidentalis subsp. occidentalis Milo S. Baker 1893-7-20 Modoc Lava beds Comment
  CAS-BOT-BC242124  Camassia quamash subsp. breviflora E. S. Willits 1940-5-17 257 Modoc Willow Ranch. Comment
  CAS-BOT-BC242127  Camassia quamash subsp. breviflora Bruce Bartholomew 1990-6-15 5237 Modoc SE corner of Sweagert Flat. 1860 Comment
  CAS-BOT-BC242132  Camassia quamash subsp. breviflora K. Paulson; Robert Paulson 1988-5-22 2 Modoc Boles Creek, Devil's Garden. 1402 Comment
  UC421787  Camassia quamash subsp. breviflora Milo S. Baker before February 1906 Modoc Forestdale Comment
  RSA59816  Camassia quamash subsp. breviflora E. K. Balls 1950-5-15 14697 Modoc 15.8 miles northwest of Canby, Highway 139, by to to Hackamore 1402 Comment
  CAS-BOT-BC58636  Camelina microcarpa Clare Butterworth Hardham 1961-6-18 7803 Modoc North Fork of Pitt River, 3.3 mi. SW of Cedar Pass turn off. Comment
  JEPS118336  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
  NY850415  Camissonia andina A. A. Heller 1941-6-25 16198 Modoc On the Cedarville road a short distance east of the junction with U.S. Highway #395 Comment
  CAS-BOT-BC191120  Camissonia boothii subsp. alyssoides Bruce Bartholomew; Barrett Anderson 1989-6-2 4812 Modoc Sand dunes at the SE corder of Upper Alkali Lake, E side of Surprise Valley. 1400 Comment
  CAS-BOT-BC191110  Camissonia contorta Bruce Bartholomew 1995-6-24 7023 Modoc 2.6 km N of turn off to Tionesta on State Hwy 139. 1250 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
  CAS-BOT-BC191079  Camissonia tanacetifolia subsp. tanacetifolia Barrett Anderson 1986-7-9 3147 Modoc Crowder Flat Rd, 3.2 km off Hwy 299. 1510 Comment
  CAS-BOT-BC191088  Camissonia tanacetifolia subsp. tanacetifolia Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-13 6541 Modoc Just W of Mud Lake on road to West Valley Reservoir. 1460 Comment
  CAS-BOT-BC191095  Camissonia tanacetifolia subsp. tanacetifolia Annie Montague Alexander; L. Kellogg 1946-6-10 4710 Modoc Snake Lake. Comment
  POM229954  Camissonia tanacetifolia subsp. tanacetifolia Louis C. Wheeler 1935-8-2 3744 Modoc Twelve Mile Creek, Warner Mountains 2195 Comment
  RSA181791  Camissonia tanacetifolia subsp. tanacetifolia H. N. Metcalf, Jack C. Wilson 1965-7-1 65 -20 Modoc Davis Creek. Comment
  CAS-BOT-BC248378  Cardamine breweri Louis C. Wheeler 1935-8-15 s.n. Modoc Dismal Swamp 2225 Comment
  RSA27230  Cardamine breweri C. L. Hitchcock 1940-5-27 6712 Modoc 15 miles NE of Alturas. Comment
  NY119874  Cardamine breweri N. H. Holmgren 1970-6-23 4370 Modoc Warner Mtns., North Fork Deep Creek, 6.5 road miles W of Cedarville cemetary. 2133.6 Comment
  CAS-BOT-BC58433  Cardamine breweri var. breweri Betty J. Hammerly 1941-6-20 33 Modoc Along bank of Clear Lake, S end of Warner Mts. Comment
  SEINET5341098  Cardaria draba M. J. Williams 1984-6-30 84- 81 -6 Modoc 9.6 miles from Gerlach-Cedarville road on the Parker Creek road. West side of the Warner Mtns, south of Cedar Pass 1829 Comment
  CAS-BOT-BC497336  Carex G. Schoolcraft 1996-7-23 2544 Modoc E. of Yankee Jim Ranch, about 12 mi SE of Alturas 1645 Comment
  UCD146975  Carex aurea Chuck Hughes 2012-9-13 346 Modoc Bear Mountain. 2005 Comment
  HSC48010  Carex brainerdii D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19510 Modoc Big Valley Summit, 6 mi. W of Adin on Hwy. 299 Comment
  CAS-BOT-BC245189  Carex douglasii John Thomas Howell 1934-6-30 12280 Modoc Duncan Horse Camp. 1355 Comment
  HSC48334  Carex douglasii D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19356 Modoc Along the S Fork of the Pit River, ~6 mi. E of Likely. Comment
  RSA59541  Carex douglasii E. K. Balls 1950-5-17 14732 Modoc Foot of south slope Double Head, Modoc National Forest, south of Clear Lake. 1463 Comment
  UC1036067  Carex heteroneura Annie M. Alexander and Louise Kellogg 1946-7-19 5030 Modoc Benton Meadow, Warner Mountains Comment
  CAS-BOT-BC245138  Carex inops subsp. inops Bruce Bartholomew 1989-7-15 5016 Modoc Manzanita Lookout, top of Manzanita Mountain. 2130 Comment
  UC1540191  Carex luzulina var. ablata Dean Wm. Taylor, Glenn L. Clifton 1987-6-27 9117 Modoc headwaters of upper South Deep Creek Warner Mountains 2194 Comment
  HSC48330  Carex mariposana D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19362 Modoc Along the S Fork of the Pit River, ~6 mi. E of Likely. Comment
  CAS-BOT-BC245182  Carex microptera James D. Jokerst 1983-7-18 1844 Modoc Miller's Flat, NW of Aden. Comment
  CAS-BOT-BC245183  Carex microptera Annie Montague Alexander; L. Kellogg 1946-7-17 5007 Modoc Benton Meadow. 2072 Comment
  JEPS86370  Carex microptera Jack and Betty Guggolz 1988-6-28 960 Modoc w Jenkins Spring Comment
  CAS-BOT-BC245176  Carex multicaulis Bruce Bartholomew; Barrett Anderson 1989-4-27 4608 Modoc 2.1 km SSE of Day on road to State Highway 299. 1020 Comment
  CAS-BOT-BC245178  Carex multicaulis Bruce Bartholomew 1992-5-17 6345 Modoc SW side of White Horse Mountains, SW of White Horse Flat Reservoir. 1460 Comment
  RSA59539  Carex multicaulis E. K. Balls 1950-5-18 14749 Modoc Above Upper Rush Creek Public Camp, 2.5 miles east from Highway 299. 1829 Comment
  UC1024329  Carex nebrascensis Annie M. Alexander and Louise Kellogg 1946-7-7 4928 Modoc Eight Mile Creek 1752 Comment
  CAS-BOT-BC119277  Carex ovalis Louis C. Wheeler 1944-6-4 s.n. Modoc Dismal Swamp, Warner Mts. 2225 Comment
  CAS-BOT-BC242356  Carex pellita Peter Hamilton Raven; Otto Thomas Solbrig 1958-6-17 13306 Modoc Along Hwy 299, 2.6 mi. W of Alturas. Comment
  CAS-BOT-BC242358  Carex pellita John Thomas Howell 1934-6-16 12207 Modoc Parker Creek. 1584 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
  UC1100475  Carex praegracilis Herbert L. Mason, Verne Grant 1947-7-12 13439 Modoc n Likely; Corporation Ranch Headquarters Comment
  CHSC109464  Carex rossii L. P. Janeway; B. Castro 2012-7-26 11015 Modoc Warner Mountains. Top of Yellow Mountain; topmost part and western edge (at the edge of a steep dropoff to the northwest). 2463 Comment
  HSC32082  Carex rostrata R. F. Thorne, C. W. Tilforth 1969-9-5 39186 Modoc Where Hwy. 395 crosses Pine Creek, 3.4 mi. S of Alturas 1341 Comment
  CHSC100426  Carex sheldonii Lowell Ahart; John Dittes 2008-8-25 15292 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
  JEPS63658  Carex simulata W. L. Jepson 1918-8-10 7936 Modoc Alturas 1371 Comment
  SJSU9612  Carex simulata W. Savage 1979-7-6 1388 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  HSC7160  Carex spectabilis M. T. Milligan 1965-6-23 302 Modoc N end Jess Valley 1616 Comment
  JEPS63647  Carex straminiformis W. L. Jepson 1918-8-13 7966 Modoc summit Eagle Peak; Warner Mts., Eagle Peak 3017 Comment
  UC1024339  Carex straminiformis Annie M. Alexander and Louise Kellogg 1946-7-23 5048 Modoc near summit Emerson Peak; Warner Mountains 2749 Comment
  CAS-BOT-BC245145  Carex subfusca Barrett Anderson 1986-7-9 3184 Modoc Stough Reservoir Rd just E of Cedar Pass near Stough Reservoir. 1965 Comment
  RSA252447  Carex subfusca Robert F. Thorne, C. W. Tilforth 1969-9-5 39155 Modoc Wet mud at margin of Clear Lake. Warner Mountains, Modoc National Forest. 1768 Comment
  RSA252422  Carex utriculata Robert F. Thorne, C. W. Tilforth 1969-9-5 39157 Modoc Wet mud at margin of Clear Lake. Warner Mountains, Modoc National Forest. 1768 Comment
  SEINET8275878  Carex utriculata Unknown 1969-9-5 Modoc Modoc National Forest, Warner Mts., at margin of Clear Lake 1768 Comment
  CAS-BOT-BC242397  Carex vernacula Annie Montague Alexander; L. Kellogg 1946-7-30 5100 Modoc Eagle Peak. Comment
  CAS-BOT-BC242391  Carex whitneyi Bruce Bartholomew; Barrett Anderson 1988-7-21 4456 Modoc Vicinity of Patterson Campground, southern end of the Warner Mts. 2190 Comment
  CAS-BOT-BC242394  Carex whitneyi Elmer Ivan Applegate 1932-7-31 7985 Modoc Mill Creek Meadow. Comment
  CAS-BOT-BC180129  Castanopsis sempervirens K. Paulson; Robert Paulson 1989-7-2 165 Modoc Happy Camp Lookout. 1850 Comment
  CAS-BOT-BC248973  Castilleja John Thomas Howell 1934-6-14 12116 Modoc Near Lost Lake, Warner Mts. 2438 Comment
  CAS-BOT-BC225975  Castilleja applegatei subsp. pinetorum Elmer Ivan Applegate 1932-7-31 7950 Modoc Mill Creek Meadows, W slope of Warner Mts. Comment
  CAS-BOT-BC225981  Castilleja applegatei subsp. pinetorum Bruce Bartholomew; Barrett Anderson 1988-5-14 4196 Modoc 0.8 km W of Goose Lake on USFS road 47N09 to Crowder Flats. 1430 Comment
  CAS-BOT-BC225984  Castilleja applegatei subsp. pinetorum Elmer Ivan Applegate 1932-7-9 7578 Modoc North slope of Bidwell Mountain, Warner Mountains Comment
  CAS-BOT-BC225987  Castilleja applegatei subsp. pinetorum Mrs. H. C. Cantelow 1940-6-1 s.n. Modoc Cedar Pass, Warner Mountains 1935 Comment
  CAS-BOT-BC225992  Castilleja applegatei subsp. pinetorum Alice Eastwood; John Thomas Howell 1940-6-12 8086 Modoc Jess Valley. Comment
  CAS-BOT-BC225999  Castilleja applegatei subsp. pinetorum John Thomas Howell 1934-6-11 11917 Modoc Parker Creek, Warner Mountains 1584 Comment
  JEPS62828  Castilleja applegatei subsp. pinetorum John Weiler 1970-7-7 70197 Modoc above Cedar Pass (along Highway 299) 1950 Comment
  JEPS86309  Castilleja applegatei subsp. pinetorum Jack and Betty Guggolz 1988-7-5 983 Modoc near Highgrade Mine Comment
  JEPS86374  Castilleja applegatei subsp. pinetorum Jack and Betty Guggolz 1988-7-4 977 Modoc Comment
  POM260677  Castilleja applegatei subsp. pinetorum Alice Eastwood, John T. Howell 1940-6-11 8006 Modoc 6 miles NE of Adin on road to Canby. 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
  UC1226031  Castilleja applegatei subsp. pinetorum Arthur Cronquist and Arthur H. Holmgren 1959-7-20 8517 Modoc 11 mi ne Alturas (benchland w of Warner Mts) 1554 Comment
  UC199384  Castilleja applegatei subsp. pinetorum W. P. Taylor and H. C. Bryant 1910-6-25 Modoc Parker Creek; Warner Mountains 1676 Comment
  UC444864  Castilleja applegatei subsp. pinetorum Mrs. M. H. Manning 1907-1 Modoc e side Mt. Bidwell; 12 Mile Creek Comment
  UC71632  Castilleja applegatei subsp. pinetorum Mrs. M. H. Manning 1902-10-11 43 Modoc Warner Mts Warner Mts. (ne Modoc County) Comment
  UCSB19309  Castilleja applegatei subsp. pinetorum 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
  UCSB2014  Castilleja applegatei subsp. pinetorum 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
  HSC20572  Castilleja applegatei subsp. pinetorum M. T. Milligan 1965-7-27 354 Modoc 1677 Comment
  UC199401  Castilleja applegatei subsp. pinetorum M. F. Gilman 559 Modoc 1524 Comment
Read comments
Jan 12 2007
  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
  CAS-BOT-BC226014  Castilleja campestris subsp. campestris Elmer Ivan Applegate 1897-6-5 2000 Modoc Near Alturas. Comment
  CAS-BOT-BC226017  Castilleja chromosa John Thomas Howell 1934-6-13 12094 Modoc 2.5 mi. S of Eagleville. Comment
  CAS-BOT-BC226024  Castilleja lacera K. Paulson; Robert Paulson 1988-6-19 40 Modoc W of Cranby Bridge. 1310 Comment
  CAS-BOT-BC226027  Castilleja lacera Bruce Bartholomew; Barrett Anderson 1989-6-1 4725 Modoc Shake Spring, NW side of Shaffer Mountain. 1500 Comment
  CAS-BOT-BC226032  Castilleja lacera David Daniels Keck; Jens Chr. Clausen 1935-6-24 3720 Modoc 14 mi. S of New Pine Creek. 1525 Comment
  CAS-BOT-BC226033  Castilleja lacera Mrs. H. C. Cantelow 1941-5-23 s.n. Modoc 7.5 mi W of Adin Pass Summit on Hwy 299. Comment
  CHSC71889  Castilleja lacera Vernon H. Oswald; Lowell Ahart 1998-9-8 9594 Modoc County Rd. 95 at Taylor Creek northwest of Lookout and ca. 0.5 air mi northeast of Lookout Junction. 1280 Comment
  JEPS79129  Castilleja lacera L. R. Heckard with R. Bacigalupi 1980-6-10 5233 Modoc about 10 mi nw Lookout (along Great Northern Railroad grade) Comment
  CAS-BOT-BC226039  Castilleja linariifolia Elmer Ivan Applegate 1929-7-29 6091 Modoc Clear Lake Dam. Comment
  HSC20577  Castilleja linariifolia Thomas W. Stark 1967-7-16 83 Modoc 2 mi. S of Lava Beds Natl. Monument, 10 mi. W of the town of Perez 915 Comment
  RSA305823  Castilleja longispica James R. Shevock 1972-5-20 1806 Modoc N of Alturas, Hwy 299. 1372 Comment
  CAS-BOT-BC226044  Castilleja miniata P. Monnet 1913-7-1 869 Modoc Warner's Range. 2438 Comment
  UC444892  Castilleja miniata W. P. Taylor and H. C. Bryant 1910-7-13 Modoc Head of North Fork Parker Creek; Warner Mountains 2225 Comment
  CAS-BOT-BC226053  Castilleja pilosa Christopher Davidson 1975-6-4 2628 Modoc Canby Bridge across Pit River, ca. 4 mi. S of Canby on Hwy 299. 1341 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
  CAS-BOT-BC226072  Castilleja tenuis Elmer Ivan Applegate 1929-6-24 5894 Modoc Between Alturas and Davis Creek. Comment
  CAS-BOT-BC226073  Castilleja tenuis Annie Montague Alexander; L. Kellogg 1946-6-14 4769 Modoc Below lava slope, Silver Creek branch of Patterson Mill road. 1828 Comment
  CAS-BOT-BC226079  Castilleja tenuis Mrs. H. C. Cantelow 1943-6-2 s.n. Modoc Ca. 10 mi. NW of Canby on road to Lava Beds. Comment
  CHSC109522  Castilleja tenuis L. P. Janeway; B. Castro 2012-7-25 10984 Modoc Warner Mountains. Slope along north side of Dismal Swamp. 2216 Comment
  JEPS118327  Castilleja tenuis Lowell Ahart, John Dittes 2011-6-22 17559 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
  JEPS126543  Castilleja tenuis Lowell Ahart, John Dittes 2016-6-6 20962 -A 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
  JEPS79118  Castilleja tenuis L. R. Heckard with R. Bacigalupi 1980-6-10 5220 Modoc sw margin Egg Lake (now dry); Egg Lake Comment
  UC748084  Castilleja tenuis Annie M. Alexander and Louise Kellogg 1946-7-7 4929 Modoc Eight Mile Creek; ne corner of Modoc County 1752 Comment
  UC1281476  Ceanothus X flexilis H. E. McMinn 1941-8-27 5405 Modoc Egg lake 12-13 mi from Lookout, Egg Lake; Egg Lake Comment
  UC18320 Image available Ceanothus X flexilis Milo S. Baker 1893-6-30 Modoc Modoc Co. 1371 Comment
  UC18271  Ceanothus cuneatus var. cuneatus Milo S. Baker 1893-7-1 Modoc 1371 Comment
  HSC25994  Ceanothus integerrimus D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19516 Modoc Big Valley Summit, 6 mi. W of Adin on Hwy. 299 Comment
  RSA785570  Ceanothus prostratus Doris Bowers 1972-9-2 1896 Modoc Upper Camp, Rush Creek, N/o Adin 1220 Comment
  RSA149076  Ceanothus prostratus var. occidentalis I. L. Wiggins 1961-6-14 16490 Modoc NW flank of Buck's Mts along road to Sugar Hill Lookout, Warner Mts, Comment
  CAS-BOT-BC95205  Cerastium fontanum Bruce Bartholomew 1994-7-2 6798 Modoc Joseph Creek Basin, W side of the Warner Mountains. 1650 Comment
  JEPS114459  Cercocarpus betuloides var. macrourus Lowell Ahart, John Dittes 2008-8-26 15357 Modoc Southeast side of Rose Creek, 750 feet southwest of confluence of Rose Creek and Pit River, on the southeast side of unnamed road, 2660 feet east of intersection with County Road 85a, 0.3 miles (air) north-northeast of Lookout 1276 Comment
  UC1127867  Cercocarpus betuloides var. macrourus R. C. Wilson 1933-7-7 58 Modoc Rush Creek, Modoc National Forest Rush Creek; Modoc National Forest, Rush Creek 1463 Comment
  UC466617  Cercocarpus betuloides var. macrourus Franklin P. Nutting Modoc Big Valley Mountains Comment
  SEINET191906  Cercocarpus ledifolius C. L. Hitchcock 1940-5-27 6689 Modoc On sagebrush knoll; 15 miles northeast of Alturas 1615 Comment
  CAS-BOT-BC214645  Cercocarpus ledifolius var. ledifolius A. D. Borden 1911-8-9 s.n. Modoc S. side of Shields Creek Comment
  CAS-BOT-BC15059  Chaenactis douglasii var. douglasii Annie Montague Alexander; L. Kellogg 1946-6-10 4722 Modoc Lava bench between Lower and Snake lakes. Comment
  CAS-BOT-BC15071  Chaenactis douglasii var. douglasii Bruce Bartholomew; Barrett Anderson 1988-6-25 4377 Modoc SW side of Jess Valley, Warner Mts.. 1540 Comment
  CAS-BOT-BC15072  Chaenactis douglasii var. douglasii Bruce Bartholomew 1990-6-17 5293 Modoc Along Emerson Creek, 2.8 km SW of County Rd 1, E side of Warner Mts. 1600 Comment
  CAS-BOT-BC15074  Chaenactis douglasii var. douglasii Barrett Anderson 1986-7-9 3144 Modoc Bushy Flat Rd along the Pit River, just E of Hwy 299. 1500 Comment
  UC90115  Chaenactis douglasii var. douglasii Mrs. R. M. Austin 1894-8-1 200 Modoc Goose Lake Valley Comment
  RSA504622  Chaenactis douglasii var. douglasii Bruce Bartholomew, B. Anderson 1988-6-25 4377 Modoc SW side of Jess Valley, Warner Mountains. 1540 Comment
  CAS-BOT-BC245422  Chamaesaracha nana Annie Montague Alexander; L. Kellogg 1946-7-24 5065 Modoc Bear Camp Flat, along trail to Emerson Camp. Warner Mountains. Comment
  CAS-BOT-BC245423  Chamaesaracha nana Elmer Ivan Applegate 1897-5-30 862 Modoc Timbered Mountain, S of Dry Lake. Comment
  UC449976  Chamaesaracha nana M. F. Gilman 638 Modoc 1676 Comment
  UC1192290  Chamaesyce serpyllifolia Verne Grant and Irving Schneider 1947-7-20 8089 Modoc 2 mi e Alturas; Dorris Reservoir Comment
  CHSC115522  Chenopodium album Lowell Ahart; John Dittes 2015-7-16 20360 Modoc North edge of Ash Creek (destroyed), southeast of the gravel pit (destroyed), about 1/8 mile east of parking are 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
  JEPS114668  Chenopodium album Lowell Ahart, John Dittes 2008-8-25 15321 Modoc On the east bank (flood plain) of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout 1273 Comment
  SEINET11452149  Chenopodium album D. A. Charlet, C. Petty 1988-8-12 166 Modoc Warner Mountains, 300 m south of Warren Peak; subalpine, S aspect, steep talus; T41N R15E S22; 2745 Comment
  CDA32878  Chenopodium botrys M. Brooks 2009-11-1 PDR# 1526757 Modoc In the vicinity of Alturas. 0 Comment
  CHSC106201  Chenopodium desiccatum Lowell Ahart; John Dittes 2010-8-31 17111 Modoc On the east side of Elkins Lane, about 100 yards north of the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1267 Comment
Read comments
Jul 20 2019
  NY537268  Chenopodium pumilio L. C. Wheeler 1935-8-3 3758 Modoc Rock Lake, Pine Creek, Warner Mountains 1920.2 Comment
  UCD14407  Chenopodium rubrum Sheryl Gill 1996-9-3 s.n. 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; 'Captain Jack's Stronghold' GS map quad; 1229 Comment
  RSA210829  Chenopodium salinum R. F. Thorne, J. Henrickson, C. W. Tilforth 1969-9-4 39074 Modoc E shore of Goose Lake at Willow Ranch. 1433 Comment
  CAS-BOT-BC95662  Chimaphila menziesii Annie Montague Alexander; L. Kellogg 1946-7-24 5063 Modoc Bear Camp Flat. Comment
  UC748235  Chimaphila menziesii Annie M. Alexander and Louise Kellogg 1946-7-24 5063 Modoc trail to Emerson Camp (Bear Camp Flat); Warner Mts., Bear Camp Flat Comment
  CAS-BOT-BC95664  Chimaphila umbellata Bruce Bartholomew 1989-8-10 5044 Modoc 8.7 km E of Day on County Road 94. Comment
  RSA520495  Chimaphila umbellata subsp. occidentalis Bruce Bartholomew 1989-8-10 5044 Modoc 8.7 km E of Day on County Road 94. Comment
  CAS-BOT-BC15001  Chrysothamnus nauseosus subsp. albicaulis Elmer Ivan Applegate 1936-9-22 11058 A Modoc Fleeners Chimneys, Lava Beds National Monument. Comment
  CAS-BOT-BC15002  Chrysothamnus nauseosus subsp. albicaulis Louis Cutter Wheeler 1935-9-10 3968 Modoc McGinty Reservoir, Devil's Garden. 1524 Comment
  CAS-BOT-BC15004  Chrysothamnus nauseosus subsp. albicaulis Bruce Bartholomew 1989-8-11 5081 Modoc Sand Creek, Surprise Valley, 5 km W of Nevada border on State Hwy 299. 1400 Comment
  SJSU9680  Chrysothamnus viscidiflorus subsp. puberulus W. Savage 1979-8-22 1578 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  CAS-BOT-BC14951  Chrysothamnus viscidiflorus subsp. viscidiflorus Louis Cutter Wheeler 1935-8-12 3828 Modoc Cottonwood Creek, Warner Mts., Modoc National Forest 1981 Comment
  CHSC106177  Chrysothamnus viscidiflorus subsp. viscidiflorus Lowell Ahart; John Dittes 2010-8-30 17061 Modoc Near the homestead, about 100 yards east of the fence, 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
  JEPS117374  Chrysothamnus viscidiflorus subsp. viscidiflorus Lowell Ahart, John Dittes 2010-8-30 17061 Modoc Near the homestead, about 100 yards east of the fence, 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
  JEPS31102  Chrysothamnus viscidiflorus subsp. viscidiflorus Ernest C. Twisselmann 1961-9-22 6573 Modoc Warner Mountains, Jess Valley 1676 Comment
  RSA281658  Chrysothamnus viscidiflorus subsp. viscidiflorus S. O. Mattoon 1979-7-11 102 Modoc Hwy. 139, 4 road miles north of county Road 91; Modoc Plateau 1463 Comment
  RSA252371  Cicuta douglasii R. F. Thorne, C. W. Tilforth 1969-9-5 39160 Modoc Modoc National Forest, Warner Mountains, Clear Lake. 1768 Comment
  CDA38302  Cicuta douglasii T. C. Fuller 1959-7-8 s.n. Modoc 3.4 miles east of Tulelake. 0 Comment
  CDA38303  Cicuta douglasii T. C. Fuller 1959-7-8 s.n. Modoc 3.4 miles east of Tulelake. 0 Comment
  JEPS15743  Cicuta maculata var. angustifolia W. L. Jepson 1918-8-9 7921 Modoc Fort Bidwell 1432 Comment
  CAS-BOT-BC191006  Circaea alpina subsp. pacifica Bruce Bartholomew 1994-7-2 6785 Modoc 5.0 km SE of Joseph Creek Basin on the W side of the Warner Mountains. 1930 Comment
  CAS-BOT-BC191008  Circaea alpina subsp. pacifica Bruce Bartholomew; Barrett Anderson 1990-7-20 5535 Modoc Buck Creek between Del Pratt Spring and Howard Flat, W side of Warner Mts. 1990 Comment
  RSA252383  Circaea alpina subsp. pacifica Robert F. Thorne, C. W. Tilforth 1969-9-5 39175 Modoc Modoc National Forest, Warner Mts, along Fall Creek below Falls. 1738 Comment
  CDA1064  Cirsium arvense T. C. Fuller 1961-5-16 6954 -B Modoc 1.5 mi. s.e. of Tulelake; edge of grainfield, Hwy 139. 0 Comment
  CDA36045  Cirsium arvense CDFA Staff 1976-7-28 Modoc Tule Lake. 0 Comment
  CDA1165  Cirsium cymosum T. C. Fuller 1959-7-8 2761 Modoc Hwy 299; 8 mi. west of Alturas. 0 Comment
  RSA0049630  Cirsium cymosum var. canovirens Dean Wm. Taylor 2012-6-5 21219 Modoc Vicinity Crank Spring (11 air miles North of Lookout) 1365 Comment
  CAS-BOT-BC14926  Cirsium douglasii var. breweri Louis Cutter Wheeler 1935-9-10 3966 Modoc McGinty Reservoir, Devil's Garden 1463 Comment
  JEPS59227  Cirsium occidentale var. candidissimum F. H. Frost 1925-7-11 16 Modoc Cedar Canyon campsite 2 mi above Cedarville Comment
  JEPS59202  Cirsium scariosum Milo S. Baker 1893-6-20 Modoc Comment
  UC30795  Cirsium scariosum var. americanum Milo S. Baker 1893-6-2 Modoc Comment
  UC748332  Cirsium scariosum var. americanum Annie M. Alexander and Louise Kellogg 1946-6-14 4765 Modoc Silver Creek branch Patterson Mill road 1828 Comment
  HSC5379  Cirsium vulgare M. T. Milligan 1966-7-26 579 Modoc N end of Jess Valley 1616 Comment
  CAS-BOT-BC191072  Clarkia gracilis subsp. gracilis Bruce Bartholomew; Barrett Anderson 1989-6-3 4869 Modoc Boles Creek, ca. 5.5 km E of the SE corner of Clear Lake Reservoir. 1430 Comment
  RSA0060030  Clarkia gracilis subsp. gracilis I. L. Wiggins, Dorothy Wiggins 1961-6-12 16384 Modoc Rocky clay mesa 5 mi. east of California State Highway 299, along Cedar Pass Rd. Comment
  RSA520376  Clarkia gracilis subsp. gracilis Bruce Bartholomew, B. Anderson 1989-6-1 4739 Modoc Ca. 0.5 km S of State Hwy 299 on road to Shaker Spring. 1420 Comment
  CAS-BOT-BC191052  Clarkia lassenensis John Thomas Howell 1934-6-13 12069 Modoc Fandango Pass. 1828 Comment
  CAS-BOT-BC191053  Clarkia lassenensis John Thomas Howell 1934-6-11 11942 Modoc Parker Creek. 1584 Comment
  CAS-BOT-BC191059  Clarkia lassenensis Bruce Bartholomew; Barrett Anderson 1988-6-23 4241 Modoc 4.2 km NW of Day. 1020 Comment
  HSC30120  Clarkia lassenensis D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19485 Modoc Upper Rush Creek Campground, about 8 mi. N of Adin on Hwy. 299 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
  JEPS43695  Clarkia lassenensis Frances D. Payne 1931-6-21 228 Modoc ridge sw Dry Creek (northern tributary of Parker Creek); Warner Mountains 1981 Comment
  UC146039  Clarkia lassenensis Mrs. M. H. Manning Modoc NE Modoc County Comment
  CAS-BOT-BC191041  Clarkia rhomboidea John Thomas Howell 1934-6-13 12048 Modoc Fandango Pass. 1828 Comment
  CAS-BOT-BC191044  Clarkia rhomboidea Annie Montague Alexander; L. Kellogg 1946-6-28 4863 Modoc Pine Creek Canyon. 1615 Comment
  CAS-BOT-BC191047  Clarkia rhomboidea Leland S. Smith 1917-7-24 129 Modoc Joseph Creek. 1676 Comment
  RSA293356  Clarkia rhomboidea Reino Alava 1957-7-5 1160 Modoc Cedar Pass, Modoc National Forest. Warner Mountains 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
  HSC30124  Clarkia stellata D. H. Norris, T. Nelson, S. Dowty 1971-6-23 19467 Modoc Upper Rush Creek Campground, about 8 mi. N of Adin on Hwy. 299 Comment
  CHSC31494  Claytonia lanceolata N. E. H. Prouty 1980-6-2 173 Modoc Modoc Nat. Forest, Warner Mt. District. Sheep Rock T.S. North facing slope rising above Dry Creek and Upper Dry Creek Road. Comment
  NY497246  Claytonia lanceolata B. M. Bartholomew 1988-5-13 4161 Modoc 4 km northwest of Pepperdine, slope near top of the Warner Mountains 1760 Comment
  RSA0080491  Claytonia lanceolata A. M. Alexander, Louise Kellogg 1946-6-15 4773 Modoc In fir forest and higher up in aspen grove. Deep Creek. 2134 Comment
  JEPS101050  Claytonia megarhiza Dean Wm. Taylor with Glenn L. Clifton 1989-8-5 10463 Modoc Warner Mountains, steep northeast face Eagle Peak 2880 Comment
  JEPS43365  Claytonia megarhiza W. L. Jepson 1918-8-13 7976 Modoc Eagle Peak summit Eagle Peak; Warner Mts. 3017 Comment
  UC1573168  Claytonia megarhiza Dean Wm. Taylor with Glenn L. Clifton 1989-8-5 10435 Modoc e-face Emerson Peak (Emerson Creek drainage); Warner Mountains, , Emerson Creek 2560 Comment
  UC7887  Claytonia parviflora subsp. parviflora M. S. Baker and Frank Nutting 1894-6-16 Modoc near Forestdale Comment
  CAS-BOT-BC197434  Claytonia perfoliata subsp. intermontana Fred D. Douthitt 1916-4-27 9 Modoc Henderson Meadow. 1737 Comment
  CAS-BOT-BC197437  Claytonia perfoliata subsp. intermontana John Thomas Howell 1934-6-11 11953 Modoc Parker Creek. 1584 Comment
  CAS-BOT-BC197431  Claytonia perfoliata subsp. perfoliata Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16394 p.p. Modoc Rocky hillside above Thomas Creek, 6.1 mi. E of Hwy 395 on Cedarville Rd. Comment
  CAS-BOT-BC197471  Claytonia rubra subsp. rubra Bruce Bartholomew 1990-6-15 5228 Modoc S end of Deer Spring Ridge, 0.2 km N of turn off to Knox Flat. 1920 Comment
  CAS-BOT-BC197474  Claytonia rubra subsp. rubra Bruce Bartholomew 1991-5-23 5690 Modoc 0.5 km E of Day on County Rd. 94. 1050 Comment
  HSC17707  Claytonia rubra subsp. rubra M. T. Milligan 1964-6-25 82 Modoc Upper Lassen Creek 1829 Comment
  UC1713744  Claytonia rubra subsp. rubra M. S. Baker and Frank Nutting 1894-6-16 Modoc near Forestdale Comment
  CDA25289  Cleome platycarpa T. C. Fuller 1970-7-22 19774 Modoc Canyon Creek Road, 12 miles southwest of Alturas. 0 Comment
  CAS-BOT-BC226086  Collinsia parviflora Roxana Stinchfield Ferris; R. Duthie 1919-6-13 28 Modoc Along Parker Creek at Modoc Nat Forest Boundary. Comment
  CAS-BOT-BC226088  Collinsia parviflora Betty J. Hammerly 1941-6-20 38 Modoc Clear Lake. 1767 Comment
  CAS-BOT-BC226095  Collinsia parviflora Bruce Bartholomew 1991-6-21 5823 Modoc Vicinity of Drift Fence Tank, 2 km S of Forest Service road 73 on road to Rim Rock Valley. 1580 Comment
  UC526138  Collinsia parviflora John Thomas Howell 1934-6-14 12135 Modoc near Lost Lake; Warner Mountains 2438 Comment
  JEPS3160  Collinsia parviflora N. T. Mirov 1929-6-22 Modoc e slope Warner Mtns 2286 Comment
  JEPS3169  Collinsia parviflora N. T. Mirov 1929-5-30 Modoc Warner Mtns; pasture 1524 Comment
  JEPS6223  Collinsia parviflora M. F. Gilman 633 Modoc near Ft. Bidwell Comment
  UC748157  Collinsia parviflora Annie M. Alexander and Louise Kellogg 1946-6-5 4664 Modoc s of Eagleville (Warner Mountains, Emerson Creek, in Emerson Camp); Warner Mountains, Emerson Creek, Emerson Camp 2133 Comment
  RSA82760  Collomia grandiflora J. M. Tucker 1950-7-25 1972 Modoc beside highway 139, 26.4 miles southeast of Tule Lake Comment
  UCD118163  Collomia grandiflora J. M. Tucker 1950-7-25 1972 Modoc Beside Highway 139, 26.4 miles SE of Tule Lake. Comment
  HSC80887  Collomia linearis G. M. Riegel 1980-8-26 1111 Modoc S Warner Mtns. 1670 Comment
  SJSU9625  Collomia linearis W. Savage 1959-7-7 1437 Modoc Triangle, Fairchild Swamp Unit, Devils Garden District, Modoc National Forest 1499 Comment
  SJSU9704  Collomia linearis W. Savage 1979-7-10 1528 Modoc Oregon Rim Unit, Devils Garden District, Modoc National Forest 1645 Comment
  SBBG128256  Conium maculatum L. Ahart, J. Dittes 2010-8-30 17066 Modoc ca. 10 yards E of the fence, S edge of the meadow; Ash Crk State Wildlife Area, 2300 feet N of Lassen County Line, ca. 3.6 mi W of Adin, ca. 8 mi NE of Bieber, Big Valley 1267 Comment
  CAS-BOT-BC14946  Conyza canadensis Bruce Bartholomew 1994-10-9 6892 Modoc Goose Lake, 19.2 km N of McGinty Point on road to the Oregon border. 1460 Comment
  CAS-BOT-BC242186  Corallorhiza maculata Bruce Bartholomew 1994-7-3 6828 Modoc Field redacted by CAS, contact the data manager for more information 1610 Comment
  UC4414  Corallorhiza maculata Milo S. Baker 1893-7-10 Modoc Big Mts. Comment
  CHSC109506  Cordylanthus capitatus L. P. Janeway; B. Castro 2012-7-26 11000 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
  UC190605  Cordylanthus maritimus subsp. canescens M. F. Gilman 608 Modoc 1676 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-BC210269  Cornus sericea Frances Payne 1931-6-10 141 Modoc Parker Creek, Warner Mts. 1584 Comment
  CAS-BOT-BC197569  Crataegus douglasii C. C. (Mrs.) Bruce 1893-6-1 90 Modoc Davis Creek. Comment
  JEPS123834  Crataegus douglasii Lowell Ahart, John Dittes 2015-7-17 20396 Modoc 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. Adin USGS 7.5' Topographic Quadrangle. Comment
  CAS-BOT-BC14909  Crepis acuminata John Thomas Howell 1934-6-30 12289 Modoc Duncan Horse Camp Comment
  SEINET2142728 Image available Crepis acuminata A. A. Heller 1938-6-24 15220 Modoc Between Alturas and Canby along U.S. Highway 299. Comment
  SJSU8815  Crepis acuminata J. W. Tilden 1958-6-25 1261 Modoc near Monument Headquarters, Lava Beds National Monument Comment
  CHSC54173  Crepis bakeri Vernon H. Oswald 1991-5-28 4632 Modoc North side of parking area on the southeast side of Pilot Butte, Ash Creek Wildlife Area, ca. 5.5 miles north-northeast of Bieber. 1264 Comment
  RSA504672  Crepis bakeri subsp. cusickii K. Paulson, R. Paulson 1988-6-11 31 Modoc N of Stough Reservoir, Warner Mountains 1707 Comment
  UC581221  Crepis intermedia G. L. Stebbins Jr. and J. A. Jenkins 1937-7-15 2376 Modoc Shaeffer Mountain; s side 1670 Comment
  CAS-BOT-BC14883  Crepis modocensis Clare Butterworth Hardham 1961-6-18 7583 Modoc Mts. S of summit of Cedar Pass. Comment
  UC1036005  Crepis modocensis Helen K. Sharsmith 1955-6-22 4486 Modoc steep slope just n Cedar Pass; Warner Mountains, Modoc National Forest 1889 Comment
  CAS-BOT-BC14877  Crepis modocensis subsp. modocensis Ernest Brown Babcock; George Ledyard Stebbins 1936-6-9 1806 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
  CAS-BOT-BC14887  Crepis modocensis subsp. modocensis Bruce Bartholomew; Barrett Anderson 1988-6-24 4311 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-BC291573  Crepis modocensis subsp. modocensis John Thomas Howell 1934-6-14 12144 Modoc Near Lost Lake, Warner Mts. 2438 Comment
  RSA163736  Crepis modocensis subsp. modocensis Clare B. Hardham 1961-6-18 7583 Modoc Mts S of summit of Cedar Pass. Comment
  SEINET7838766 Image available Crepis nana M. Lavin, H. Mozingo 1979-9-8 s.n. Modoc Just W of Leavitt Lake Comment
  CAS-BOT-BC14858  Crepis occidentalis M. M. Hanna 1956-6-4 Modoc 5 mi. N of Alturas on Cedar Pass road. Comment
  CAS-BOT-BC14866  Crepis occidentalis Bruce Bartholomew 1991-8-5 6049 Modoc Summit Trail between Squaw Peak and Cottonwood Lake, crest of the Warner Mts. 2470 Comment
  POM261273  Crepis occidentalis C. L. Hitchcock 1940-5-27 6706 Modoc 15 miles NE of Alturas. 1677 Comment
  UC540830  Crepis occidentalis David D. Keck and J. Clausen 1935-6-24 3713 Modoc hillside 3 mi ne Willow Ranch 1470 Comment
  HSC28857  Crepis occidentalis subsp. pumila D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19365 Modoc Along the S Fork of the Pit River, ~6 mi. E of Likely. Comment
  CDA35638  Crepis occidentalis subsp. pumila J. R. Keck Jr., Pfeiffer 1985-6-6 PDR# 237690 Modoc On USFS Road 56, west of Lookout-Hackamore Road. 0 Comment
  UC1191647  Cressa truxillensis Herbert L. Mason 1947-8-15 13541 Modoc e. side Goose Lake (mouth of Crane Creek on Willow Ranch); Willow Ranch, Crane Creek, Goose Lake Comment
  POM75457  Cressa truxillensis Mrs. R. M. Austin 1898-07 2192 Modoc Lake shore Comment
  CAS-BOT-BC14873  Crocidium multicaule E. S. Willits 1940-4-21 189 Modoc Near quarantine station, Alturas. 1371 Comment
  CAS-BOT-BC14875  Crocidium multicaule William Albert Weber; Lewis Samuel Rose 1953-5-22 8451 Modoc 7 mi. E of Alturas on road to Cedarville. 1371 Comment
  HSC4706  Crocidium multicaule M. G. Burgoyne 1962-4-12 1001 Modoc 15 mi. W of Cedarville on Cedar Pass Hwy. 1982 Comment
  RSA175702  Crocidium multicaule A. J. Cronquist 1963-5-14 9855 Modoc On gentle slope leading up to the west base of the Warner Mountains, near Cedar Pass, between Cedarville and Alturas, 9 miles from Alturas. 1494 Comment
  UC1234581  Crocidium multicaule Peter H. Raven 1962-5-29 17897 Modoc State Hwy 139 at s road to Lava Beds National Monument Comment
  UC1278995  Crocidium multicaule Arthur Cronquist 1963-5-14 9855 Modoc 9 mi from Alturas (on gentle slope leading up to the w base of the Warner Mts. near Cedar Pass, between Cedarville and Alturas) 1493 Comment
  SJSU9644  Crypsis alopecuroides W. Savage 1979-7-8 1473 Modoc Round Valley Unit, Devils Garden District, Modoc National Forest 1493 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
  RSA0049592  Crypsis vaginiflora Dean Wm. Taylor 2013-9-6 21416 Modoc 1 mile South of Whalen Spring (ca. 15 air miles N of Bieber on Highway 299) 1328 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-BC54108  Cryptantha intermedia Amos Arthur Heller 1941-6-26 16213 Modoc U.S. Hwy 395, 8 mi. W of Alturas. Comment
  HSC75575  Cryptantha intermedia G. M. Riegel 1980-7-14 877 Modoc S Warner Mtns. 1739 Comment
  RSA164361  Cryptantha simulans Clare B. Hardham 1961-6-19 7843 Modoc Willow Creek. 1524 Comment
  CAS-BOT-BC54076  Cryptantha torreyana Barrett Anderson 1986-7-9 3174 Modoc Stough Reservoir Rd just E of Cedar Pass near Stough Reservoir. 1965 Comment
  JEPS67866  Cryptantha torreyana W. L. Jepson 1918-8-9 7907 Modoc North Fork Bidwell Creek 1828 Comment
  SDSU20127  Cryptantha torreyana Lee Ripma, R. B. Kelley 2012-7-24 388 Modoc Side of FR31. 2386 Comment
  CDA5588  Cuscuta approximata Goss 1932-10-3 Modoc 0 Comment
  CDA5586  Cuscuta approximata var. urceolata Goss 1932-10-3 Modoc 0 Comment
  RSA195413  Cycladenia humilis Elmer I. Applegate 1936-5-21 10337 Modoc Lava Beds National Monument. Basin in midst of Big Lava Flow, north of Cinder Cone, 1/2 mile north of RR tract at Lava Summit. Comment
  CAS-BOT-BC21483  Cymopterus terebinthinus var. californicus Bruce Bartholomew 1993-6-12 6583 Modoc Road to Day Rock from Little Hot Spring Valley. 1250 Comment
  CAS-BOT-BC245136  Cyperus squarrosus Louis Cutter Wheeler 1935-9-3 3938 Modoc McGinty Reservoir, Devil's Garden. 1463 Comment
  UC4448  Cypripedium montanum Mrs. R. M. Austin and Bruce 1908-8-1 2234 Modoc Rose Canyon Comment
  CAS-BOT-BC30215  Cystopteris fragilis Clare Butterworth Hardham 1961-6-17 7521 Modoc Cedar Pass Camp Ground, Warner Mts.. Comment
  CAS-BOT-BC30217  Cystopteris fragilis Roxana Stinchfield Ferris; R. Duthie 1919-6-14 78 Modoc Parker Creek, 2 mi. above Modoc Nat. Forest Boundary. Comment
  JEPS59984  Cystopteris fragilis F. H. Frost 1925-7-11 10 Modoc 2 mi above Cedarville (Cedar Canyon campsite) Comment
  SBBG18746  Cystopteris fragilis C. B. Hardham 1961-6-19 7845 Modoc Willow Crk Comment
  HSC2885  Damasonium californicum M. T. Milligan 1964-7-1 112 Modoc W end of Ballard's Reservoir, along shore. 1372 Comment
  UC1100150  Damasonium californicum Herbert L. Mason 1947-8-12 13514 Modoc s. of Opahwah Butte near Alturas Comment
  CAS-BOT-BC242493  Danthonia californica Leland S. Smith 1917-7-19 119 Modoc Joseph Creek. 1828 Comment
  JEPS68523  Danthonia californica L. S. Smith 1917-7-19 119 Modoc Joseph Creek Warner Mts. 1981 Comment
  UC1024853  Danthonia californica var. americana Leo Whitney 1935-6-9 3196 Modoc near White Horse; White Horse lake (Flat) Comment
  CAS-BOT-BC242487  Danthonia unispicata Bruce Bartholomew; Barrett Anderson 1988-6-23 4285 Modoc Widow Valley, 18.0 km W of Day on County Road 94. 1230 Comment
  UCD61368  Danthonia unispicata Beecher Crampton 1960-6-17 5685 Modoc 5 miles south of Perez, Plant Quarantine Station area. 1371 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
  RSA165629  Delphinium depauperatum Clare B. Hardham 1961-6-18 7569 Modoc Cedar Pass Comment
  CAS-BOT-BC217350  Delphinium nudicaule Bruce Bartholomew 1992-5-14 6280 Modoc SW side of White Horse Mountains, SW of White Horse Flat Reservoir. 1370 Comment
  CHSC85139  Delphinium nuttallianum John Dittes; Josephine Guardino 1991-6-1 374 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
  HSC25014  Delphinium nuttallianum M. T. Milligan 1966-7-3 526 Modoc N end of Jess Valley 1616 Comment
  RSA488035  Delphinium nuttallianum Bruce Bartholomew, B. Anderson 1988-5-12 4117 Modoc S side of Egg Lake. 1300 Comment
  UCSB17309  Delphinium nuttallianum Haller, John 1961-6-25 Modoc Eagleville-Likely road; 0.5 mi W of crest of Warner Mountains; about 3 mi E of Patterson Ranger Station 2286 Comment
  RSA398670  Delphinium nuttallianum Christopher Davidson 1973-5-26 2148 Modoc 1 mile N of Adin Summit on St. Hwy 299; Modoc Nat'l Forest 1524 Comment
  CAS-BOT-BC242481  Deschampsia cespitosa subsp. cespitosa Bruce Bartholomew; Barrett Anderson 1990-7-19 5445 Modoc Sweagert Flat. 1860 Comment
  CAS-BOT-BC242484  Deschampsia cespitosa subsp. cespitosa Bruce Bartholomew; Barrett Anderson 1988-7-22 4544 Modoc Benton Meadow, Warner Mts.. 2180 Comment
  UC53588  Deschampsia danthonioides M. S. Baker and Frank Nutting 1894-8-20 Modoc near Forestdale Forestdale 1371 Comment
  CAS-BOT-BC247773  Deschampsia elongata Gary Schoolcraft; et al 1988-7-16 1828 Modoc Ca. 1 mi. SE of Pepperdine Camp. 2316 Comment
  UC10806  Descurainia incisa subsp. filipes Mrs. R. M. Austin Jun 1898 2246 Modoc Lake City canyon; Lake City Comment
  CAS-BOT-BC58608  Descurainia pinnata subsp. brachycarpa Bruce Bartholomew; Barrett Anderson 1989-4-29 4675 Modoc 6.4 km E of Fort Bidwell on road to Fee Reservoir, NE corner of Surprise Valley. 1460 Comment
  CAS-BOT-BC58437  Descurainia sophia F. Angwin 1946-4-14 Modoc Hillside near Alturas. Comment
  CAS-BOT-BC58442  Descurainia sophia E. S. Willits 1940-5-17 268 Modoc Willow Ranch. Comment
  CHSC85190  Descurainia sophia John Dittes; Josephine Guardino 1991-6-1 344 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
  JEPS120891  Descurainia sophia Lowell Ahart, John Dittes, Todd Sloat 2013-6-8 18759 Modoc About 100 yards E of Parking Area, near 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
  UC3253  Dichelostemma capitatum Milo S. Baker 1893-7-12 Modoc Comment
  CAS-BOT-BC242117  Dichelostemma multiflorum Elmer Ivan Applegate 1897-6-1 871 Modoc Head of Rim-Rock Canyon, 6 mi. N of Canby. Comment
  CAS-BOT-BC242121  Dichelostemma multiflorum Bruce Bartholomew 1994-5-14 6681 Modoc NW of Day between Oilar Ranch and Day Rock. 1190 Comment
  SEINET7839014 Image available Dieteria canescens Mrs. M. H. Maning 1904-1 s.n. Modoc Alturas, North-eastern Modoc County Comment
  SJSU9660  Dieteria canescens var. canescens W. Savage 1979-7-9 1498 Modoc Round Valley, Triangle, Devils Garden District, Modoc National Forest 1493 Comment
  CAS-BOT-BC49469  Dieteria canescens var. shastensis Leland S. Smith 1919-8-8 1141 Modoc Hilton Dairy. 1493 Comment
  UC190626  Dieteria canescens var. shastensis M. F. Gilman 654 Modoc 1676 Comment
  JEPS86330  Dimeresia howellii Jack and Betty Guggolz 1988-7-1 972 Modoc near Old Canon Mill Road Comment
  SEINET13699968  Diplacus cusickii M. J. Williams 1984-6-30 84- 77 -1 Modoc E side of the Warner Mountains, 2 miles in, Granger Canyon Road (County Road 27) S of Cedarville towards Gerlach, NV. 1951 Comment
  CAS-BOT-BC234456  Diplacus nanus Bruce Bartholomew 1991-5-25 5767 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
  CAS-BOT-BC234489  Diplacus nanus Bruce Bartholomew 1991-5-24 5728 Modoc 2.9 km NE of road between Fort Bidwell and Fee Reservoir on road to Big Mud Lake. 1680 Comment
  CAS-BOT-BC234494  Diplacus nanus R. M. Austin 1893-1-1 s.n. Modoc Pine Creek. Comment
  CAS-BOT-BC234500  Diplacus nanus Fred D. Douthitt 1916-5-11 18 Modoc Near Flournoy Swale. 1524 Comment
  SEINET195163 Image available Diplacus nanus Annie M. Alexander, Louise Kellogg 1946-1 5075 Modoc Horse Mountain, Warner Mts. Comment
  CAS-BOT-BC234491  Diplacus nanus Clare Butterworth Hardham 1961-6-19 7827 Modoc Cogswell Creek. 1524 Comment
  CAS-BOT-BC234497  Diplacus nanus E. H. Steffen 1917-6-10 42 Modoc Jess Valley. 1524 Comment
  OBI49257  Diplacus nanus Lewis S. Rose 1940-6-15 40588 Modoc Perez 1311 Comment
  JEPS68537  Distichlis spicata Leland S. Smith 1918-9-30 1060 Modoc Surprise Valley; alkali flats 1371 Comment
  HSC29998  Dodecatheon alpinum D. H. Norris, T. Nelson, S. Dowty 1971-6-22 19327 Modoc Soup Springs Campground Comment
  RSA534709  Dodecatheon alpinum subsp. majus Bruce Bartholomew 1991-8-5 6033 Modoc Squaw Co. Squae Peak Trail on N side of Squaw Peak, E side of Warner Mts. Seepage area. 2420 Comment
  UC559940  Dodecatheon conjugens Leo D. Whitney 1935-5-19 3108 Modoc near Hackamore (edge of river); Hackamore River Comment
  OBI47981  Dodecatheon conjugens Rhonda Riggins 1989-4-28 1669 Modoc 5.7 mi N of hwy 395 E of Alturas on rd to Raker and Thomas Reservoir (continuation of Pencil Rd) 1524 Comment
  CAS-BOT-BC95108  Downingia bacigalupii Bruce Bartholomew 1989-7-14 4964 Modoc Survice Gulch ca. 3 km NE of Egg Lake. 1340 Comment
  CHSC14087  Downingia bacigalupii K. R. Stern; D. B. Joley, J. G. Geschke 1974-6-23 5827 Modoc Dry vernal pool on e side of railroad tracks, on n side of Whitehorse-Lookout Road. Comment
  CHSC23596  Downingia bacigalupii K. R. Stern; D. B. Joley, J. G. Geschke 1974-6-23 5844 Modoc Dry vernal pool on e side of railroad tracks, on n side of Whitehorse-Lookout Road. Comment
  JEPS117480  Downingia bacigalupii Lowell Ahart, John Dittes 2010-8-31 17124 Modoc About 400 yards west of Elkins Lane and the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley 1267 Comment
  JEPS119656  Downingia bacigalupii Lowell Ahart, John Dittes 2012-7-10 18322 Modoc Ash Creek State Wildlife Area, about 3.4 miles (air) west of Adin, about 8.2 miles (air) northeast of Bieber, Big Valley. Comment
  UC28969  Downingia bacigalupii Milo S. Baker 1893-7-25 Modoc near shore of Egg Lake Comment
  RSA149135  Downingia bacigalupii I. L. Wiggins, Dorothy Wiggins 1961-6-15 16515 Modoc 13 miles W of Canby, along Hwy 139. Comment
  RSA504647  Downingia bacigalupii Bruce Bartholomew, B. Anderson 1988-6-23 4236 Modoc 2.1 km SSE of Day on the road to State Highway 299. 1020 Comment
  RSA128296  Downingia bicornuta P. H. Raven, Otto T. Solbrig 1959-6-18 13323 Modoc About small lake at eastern outskirts of Lookout. Comment
  UC1192032  Downingia bicornuta var. bicornuta Herbert L. Mason and Verne Grant 1947-7-12 13412 Modoc s of Alturas (w side of Pit River Valley); Pit River Valley Comment
  JEPS18935  Downingia cuspidata H. L. Mason 1957-6-3 14747 Modoc about 10 mi nw Canby (along road to Klamath Falls) Comment
  HSC26587  Downingia elegans D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19396 Modoc Along Hager Basin Rd. near Big Sage Reservoir. Comment
  CAS-BOT-BC95136  Downingia insignis Rimo Bacigalupi; L. R. Heckard 1952-6-18 3742 Modoc At Railroad crossing 0.75 mile east of Canby, along U.S. No. 299 Comment
  SEINET12330123  Downingia insignis M. J. Williams 1984-1 84- 66 -1 Modoc 0.2 mi E of Hwy 395 at Ravendale 1524 Comment
  CAS-BOT-BC58299  Draba albertina Bruce Bartholomew 1991-8-5 6036 Modoc Squaw Peak Trail on N side of Squaw Peak, E side of Warner Mts. 2420 Comment
  HSC68843  Draba albertina Gary Schoolcraft 1980-7-22 328 Modoc Near Benton Meadows at top of Lake City Canyon 2195 Comment
  HSC80863  Draba albertina G. M. Riegel 1980-7-22 925 Modoc S Warner Mtns. 2402 Comment
  UC1258362  Draba albertina Gregg Riegel 1980-8-12 1013 Modoc above lake (Pine Creek Basin, South Warner Mt. Wilderness); Modoc Natl For., South Warner Mt. Wilderness 2115 Comment
  UC1446112  Draba albertina Gary Schoolcraft 1979-8-3 166 Modoc top of Lake City Canyon top of Lake City Canyon (on sw side road at edge of meadow area near 2 small pit reservoirs) 2194 Comment
  JEPS90139  Draba densifolia Dean W. Taylor 1992-5-8 12558 Modoc 0.5 mi e of Moonlite Mines (Warner Mountains, Mount Bidwell); Warner Mountains, Mount Bidwell 2432 Comment
  UC1553370  Draba densifolia Sch/Yor/Hor/Ach 1988-7-16 1829 Modoc ca 1.5 mi n Squaw Peak; Warner Mtns., n of Squaw Peak 2316 Comment
  CAS-BOT-BC58591  Draba verna Bruce Bartholomew 1993-4-5 6416 Modoc S side of Pit River on County Road 84, ca. 2 km E of County Road 85. 1340 Comment
  CAS-BOT-BC498662  Draba verna James T. Vale 1978-5-1 s.n. Modoc On Lookout-Hackamore Road N of Bieber Comment
  UC1494953  Draba verna Reed C. Rollins and Kathryn W. Rollins 1981-6-1 81188 Modoc near Cedar Summit (between Alturas and Cedarville); near Cedar Summit, btw Alturas and Cedarville Comment
  HSC80705  Drymocallis glandulosa G. M. Riegel 1980-8-20 1076 Modoc S Warner Mtns. 1829 Comment
  UC545668  Drymocallis glandulosa var. glandulosa Louis C. Wheeler 1935-8-8 3810 Modoc North Fork Bidwell Creek Warner Mts., North Fork Bidwell Creek 2377 Comment
  RSA520347  Drymocallis glandulosa var. glandulosa Bruce Bartholomew 1989-6-3 4868 Modoc Boles Creek about 5.5 km E of the SE corner of Clear Lake Reservoir. 436 Comment
  CHSC109480  Drymocallis lactea var. austiniae L. P. Janeway; B. Castro 2012-7-27 11018 Modoc Warner Mountains. Along an unnamed mining accessd road 1.0 air km east of Yellow Mountain, 0.5 air km east of Mineral Spring. 2335 Comment
  CAS-BOT-BC214768  Drymocallis lactea var. lactea Bruce Bartholomew; Barrett Anderson 1988-5-14 4202 Modoc Fletcher Creek on USFS 48N08 from Crowder Flats to Big Sage Reservoir. 1480 Comment
  JEPS44162  Drymocallis pseudorupestris var. saxicola L. S. Smith 1918-8-17 1036 Modoc Eagle Peak ridge above Emerson; Modoc National Forest, Warner Mts. 2621 Comment
  CAS-BOT-BC14807  Dugaldia hoopesii Robert Patterson; Mona Bourell 1993-8-14 5233 Modoc Patterson Lake. South Warner Wilderness Area. Warner Mountains. 2743 Comment
  CAS-BOT-BC14805  Dugaldia hoopesii Leland S. Smith 1917-8-30 153 Modoc Mt Bidwell and Vida. 2286 Comment
  UC70670  Echinochloa crus-galli Mrs. M. H. Manning June 1903 403 Modoc north-eastern Modoc county Comment
  UCD60818  Echinochloa crus-galli L. Whitney 1935-7-6 3435 Modoc Pit River near Lookout. Comment
  CAS-BOT-BC95639  Elatine Robert Folger Thorne; C. W. Tilforth 1969-9-4 39055 Modoc 2 mi. W of Davis Creek. 1432 Comment
  CAS-BOT-BC95640  Elatine John Thomas Howell 1934-6-15 12200 Modoc Dorris Reservoir. Comment
  JEPS123977  Elatine Lowell Ahart, John Dittes 2015-7-15 20353 Modoc Ash Creek State Wildlife Area, about 3.9 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. Comment
  CHSC117249  Elatine californica Lowell Ahart; John Dittess 2016-7-16 21245 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
  POM229220  Elatine gracilis L. C. Wheeler 1935-8-3 3763 Modoc Warner Mountains: Pine Creek. 1738 Comment
  JEPS114834  Elatine rubella Lowell Ahart, John Dittes 2008-6-21 14980 Modoc 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
  UC1101550  Elatine triandra Herbert L. Mason 1947-8-8 13465 Modoc nw Alturas (sw margin of Big Sage Reservoir) 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
  CAS-BOT-BC242378  Eleocharis macrostachya John H. Hatton 1911-6-15 115 Modoc Spaulding's meadows. 1463 Comment
  CAS-BOT-BC242382  Eleocharis macrostachya R. K. Gierisch; D. H. Esplin 1969-7-16 3548 Modoc Spaulding Reservoir. 1432 Comment
  JEPS19419  Eleocharis macrostachya W. L. Jepson 1918-8-14 7988 Modoc Jess Valley 1584 Comment
  UC1142956  Eleocharis macrostachya A. L. Hormay 1941-6-23 34 Modoc Spaulding Reservoir Modoc National Forest Comment
  UC1100743  Eleocharis macrostachya Herbert L. Mason 1947-8-15 13560 Modoc spring leading into W side of Goose Lake, 11 mi from Davis Creek Comment
  CHSC117499  Eleocharis palustris Lowell Ahart; John Dittes 2016-7-14 21202 Modoc Strand of a new pond, south of Ash Creek Canal (now filled in), south of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. 1273 Comment
  UC1100732  Eleocharis palustris Calvin McMillan, Malcolm A. Nobs 1949-6-16 791 Modoc 33 mi NNW of Alturas (Dry Valley Reservoir) Comment
  CAS-BOT-BC247721  Elymus X hansenii Bruce Bartholomew; Barrett Anderson 1988-6-23 4287 Modoc Widow Valley, 18.0 km W of Day on County Road 94. 1230 Comment
  RSA603669  Elymus X hansenii L. C. Wheeler 1935-8-4 3779 Modoc Warner Mts., Dry Lake, Pine Creek 2104 Comment
  UC1025062  Elymus X macounii Leo Whitney 1935-7-21 3564 Modoc 15 mi w Canby; Modoc National Forest, Happy Camp 1463 Comment
  CAS-BOT-BC247741  Elymus elymoides subsp. elymoides Bruce Bartholomew; Barrett Anderson 1990-7-20 5478 Modoc 10.3 km N of Buck Creek Ranger Station, crest of Warner Mountains W side of Warner Mts. 2130 Comment
  CAS-BOT-BC247744  Elymus elymoides subsp. elymoides Elmer Ivan Applegate 1932-8-1 8029 Modoc Just S of Warren Peak. Comment
  CAS-BOT-BC247747  Elymus elymoides subsp. elymoides Bruce Bartholomew 1990-6-18 5360 Modoc 1.6 km S of Davis Creek on Hwy 395. 1450 Comment
  CAS-BOT-BC247752  Elymus elymoides subsp. elymoides Bruce Bartholomew 1989-7-14 4949 Modoc ca. 8 km NE of Egg Lake and 2.5 km E of Survice Gulch. 1340 Comment
  CAS-BOT-BC247753  Elymus elymoides subsp. elymoides Roxana Stinchfield Ferris; L. Lorraine 1941-8-14 10587 Modoc 3 mi. from Patterson Ranger Station on road to Eagleville. Comment
  CAS-BOT-BC247759  Elymus elymoides subsp. elymoides Bruce Bartholomew; Barrett Anderson 1988-7-22 4486 Modoc Vicinity of East Creak Trailhead, southern end of the Warner Mts. 2210 Comment
  JEPS75402  Elymus elymoides subsp. elymoides Frances D. Payne 1932-7-3 594 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  JEPS70708  Elymus elymoides subsp. elymoides L. S. Smith 1937-7-11 97 Modoc Granger Mill Camp Warner Mts. 1828 Comment
  CHSC34510  Elymus elymoides subsp. hordeoides J. D. Prouty 1980-8-9 1149 Modoc Ca. 2 mi e of Cedarville, n side of Rd 299 as it intersects w margin of Middle Alkali Lake. Comment
  HSC10952  Elymus elymoides var. elymoides M. T. Milligan 1965-7-5 415 Modoc Ridges E of Jess Valley. 1829 Comment
  CAS-BOT-BC247739  Elymus glaucus Bruce Bartholomew 1990-8-5 5682 Modoc Summit Trail, ca. 4 km N of Patterson Ranger Station, W side of Warner Mts. 2470 Comment
  UC1137019  Elymus glaucus August L. Hormay 1932-7-17 Modoc Lily Lake Comment
  JEPS121216  Elymus repens Lowell Ahart, John Dittes 2013-7-24 18934 Modoc South bank of Ash Creek Canal, S of Ash Creek, Ash Creek State Wildlife Area, 0.79 air miles S of County Road 87, 1.73 air miles W of Adin, Big Valley. Comment
  UCD62537  Elymus repens J. E. Street 1961-7-14 Modoc 1 mile east of Alturas. Comment
  HSC9671  Elymus trachycaulus M. T. Milligan 1964-7-20 157 Modoc N end of Jess Valley, near Mill Creek. 1677 Comment
  SEINET10963959  Elymus trachycaulus Louis C. Wheeler 1935-8-4 Wheeler 3780 Modoc Sunny gravelly flat. Dry Lake, Pine Creek. Warner Mts. T48N R15E S35. 2103 Comment
  CHSC99514  Elymus trachycaulus subsp. subsecundus Lowell Ahart; John Dittes 2008-6-21 15014 Modoc On the south side of the dirt road, uplands, in Big Valley, about 3.8 miles (air) northeast of the Headquarters at Ash Creek State Wildlife Area, about 6.5 miles (air) northeast of Bieber. 1264 Comment
  CAS-BOT-BC247724  Elymus trachycaulus subsp. trachycaulus Ernest Christian Twisselmann 1966-9-22 6576 Modoc Ridge at the SE end of Long Valley. 2042 Comment
  CAS-BOT-BC247727  Elymus trachycaulus subsp. trachycaulus Roxana Stinchfield Ferris; L. Lorraine 1941-8-14 10588 Modoc 3 mi. from Patterson Ranger Station on road to Eagleville. Comment
  CHSC100510  Elymus trachycaulus subsp. trachycaulus Lowell Ahart; John Dittes 2008-8-25 15308 Modoc On the west bank of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-notheast of Lookout. 1273 Comment
  JEPS114868  Elymus trachycaulus subsp. trachycaulus Lowell Ahart, John Dittes 2008-8-25 15308 Modoc On the west bank of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-notheast of Lookout 1273 Comment
  CHSC106190  Elymus triticoides Lowell Ahart; John Dittes 2010-8-31 17131 Modoc West side of Elkins Lane, about 10 yards south of the bridge across Ash Creek, Ash Creek State Wildlife Area, 4215 feet north of Lassen County line, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  JEPS73938  Elytrigia repens Frances D. Payne 1932-7-14 685 Modoc s and e Alturas; Warner Mountains, Parker Creek, Porter Ranch 1524 Comment
  CAS-BOT-BC81881  Ephedra viridis Barrett 1931-1 s.n. Modoc South end of Suprise Valley 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-BC191011  Epilobium brachycarpum James D. Jokerst 1983-7-27 1904 Modoc Near Signal Butte. 1340 Comment
  CAS-BOT-BC191021  Epilobium brachycarpum Bruce Bartholomew 1991-6-23 5879 Modoc 2.6 km NE of Crowder Flat Road on road between Ingall Swamp and Dorris Brothers Reservoir. 1520 Comment
  CAS-BOT-BC191024  Epilobium brachycarpum John Thomas Howell 1934-7-1 12309 Modoc Duncan Horse Camp. 1355 Comment
  CAS-BOT-BC191027  Epilobium brachycarpum Verne Grant; I. Schneider 1947-8-27 8308 Modoc 10 mi. S of Tule Lake. Comment
  HSC80899  Epilobium brachycarpum G. M. Riegel 1980-7-2 813 Modoc S Warner Mtns. 2100 Comment
  UCD105409  Epilobium brachycarpum J. M. Tucker 1950-7-25 1967 Modoc Beside Highway 139, 26.4 miles SW of Tule Lake. Comment
  RSA462344  Epilobium brachycarpum Harlan Lewis, M. Lewis 1958-8-10 1227 Modoc U.S. Highway 395, Goose Lake Valley Comment
  UCD77624  Epilobium brachycarpum Robert E. Preston 2000-5-31 1355 Modoc Modoc Plateau, along Hwy 139, ca. 2 miles E of Forest Service Road 44N11. 1493 Comment
  CAS-BOT-BC190997  Epilobium ciliatum subsp. ciliatum Leland S. Smith 1922-7-24 1313 Modoc Rush Creek Ranger Station pasture. 1905 Comment
  HSC16299  Epilobium ciliatum subsp. ciliatum M. T. Milligan 1966-7-26 581 Modoc Slopes and ridges E of Jess Valley 1646 Comment
  UC1191716  Epilobium ciliatum subsp. ciliatum Herbert L. Mason 1947-8-13 13522 Modoc ne side F Reservoir (n of Canby) Comment
  UC1191735  Epilobium ciliatum subsp. ciliatum Herbert L. Mason and Verne Grant 1947-7-12 13390 Modoc irrigation ditch by Jones' Lane (off Hwy 395, several mi s of Alturas) Comment
  CAS-BOT-BC190982  Epilobium ciliatum subsp. glandulosum Bruce Bartholomew; Barrett Anderson 1988-7-22 4512 Modoc SE side of Sunflower Knob, southern end of the Warner Mts.. 2160 Comment
  CAS-BOT-BC190983  Epilobium ciliatum subsp. glandulosum Annie Montague Alexander; L. Kellogg 1946-7-11 4965 Modoc Eight Mile Creek. Comment
  CAS-BOT-BC190989  Epilobium ciliatum subsp. glandulosum Annie Montague Alexander; L. Kellogg 1946-7-17 5008 Modoc Benton Meadow. 2072 Comment
  RSA8243  Epilobium ciliatum subsp. glandulosum Elmer I. Applegate 1932-8-7 8243 Modoc Lily Lake, Bidwell Pass, Warner Mountains Comment
  UC71846  Epilobium ciliatum subsp. glandulosum Mrs. M. H. Manning 1903-6-8 Modoc Mt. Bidwell 1524 Comment
  RSA41239  Epilobium ciliatum subsp. glandulosum A. M. Alexander, Louise Kellogg 1946-7-17 5008 Modoc Benton Meadow, Warner Mountains 2073 Comment
  CAS-BOT-BC190976  Epilobium densiflorum Bruce Bartholomew 1989-7-14 4971 Modoc ca. 1 km E of Happy Camp Ranger Station. Comment
  CAS-BOT-BC190978  Epilobium densiflorum Bruce Bartholomew 1991-8-4 6008 Modoc Kelly Draw, Round Valley, 2 km E of Hwy 299 on County Road 86. 1310 Comment
  HSC65566  Epilobium densiflorum Thomas Wood 1979-8-8 210 Modoc 1 mi. S of Ft. Bidwell, along Hwy. 1, corner house where road turns W 1372 Comment
  JEPS86261  Epilobium densiflorum Frances D. Payne 1933-8-5 770 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  UC1191615  Epilobium densiflorum Herbert L. Mason 1947-8-11 13495 Modoc on Hwy 81 near boundary between Lassen and Modoc Counties (w margin of lake); Lower Lake Comment
  SEINET188698  Epilobium glaberrimum subsp. fastigiatum Bud Fuller 1936-7-10 57 Modoc 15 miles NE Alturas 1524 Comment
  HSC16324  Epilobium hallianum M. T. Milligan 1964-6-25 89 Modoc Upper Lassen Creek 1829 Comment
  CAS-BOT-BC190956  Epilobium hornemannii subsp. hornemannii Bruce Bartholomew; Barrett Anderson 1988-7-23 4571 Modoc Dismal Swamp, Warner Mts.. 2180 Comment
  JEPS43883  Epilobium hornemannii subsp. hornemannii Frances D. Payne 1929-7-26 122 Modoc 2 mi s Warren Peak; Warner Mts., Pine Creek Basin 2133 Comment
  NY1000404  Epilobium hornemannii var. hornemannii B. M. Bartholomew 1994-7-2 6820 Modoc Mill Creek northeast of Bald Mountain, east side of Warner Mountains 2040 Comment
  CAS-BOT-BC190945  Epilobium obcordatum Bruce Bartholomew 1995-7-31 7080 Modoc 2.4 km from Forest Service road 46N30 on road towards Bald Mountain, E side of the Warner Mts. 2150 Comment
  UC524168  Epilobium obcordatum Elmer I. Applegate 1932-8-5 8170 Modoc cleft in rocks among summit crags; Warner Mts, Cedar Mt., Cedar Pass Comment
  RSA41241  Epilobium obcordatum A. M. Alexander, Louise Kellogg 1946-7-23 5050 Modoc Emerson Peak, Warner Mountains Comment
  CAS-BOT-BC190936  Epilobium pallidum Alice Eastwood; John Thomas Howell 1940-6-13 8126 Modoc Near Davis Creek. 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
  POM161478  Epipactis gigantea Franklin P. Nutting 1894-6-30 s.n. Modoc Big Valley near Sookout Comment
  JEPS117681  Eragrostis pectinacea var. pectinacea Lowell Ahart, John Dittes 2010-8-31 17092 Modoc On the west side of Walters Road, 4235 feet south of Modoc County Line, about 4.3 miles (air) south-southwest of Adin, about 7.0 miles (air) northeast of Bieber, Big Valley 1276 Comment
  RSA424441  Eremocarpus setiger Margaret J. Williams 1985-8-13 85- 67 -1 Modoc Road into S end of Big Sage Reservoir, NW of Alturas. Comment
  CAS-BOT-BC95471  Eremogone aculeata Roxana Stinchfield Ferris; R. Duthie 1919-6-16 135 Modoc Above Parker Creek, Warner Mts. Comment
  CAS-BOT-BC95472  Eremogone aculeata Bruce Bartholomew 1990-6-15 5245 Modoc Top of Manzanita Mountain in vicinity of Manzanita Lookout. 2130 Comment
  CAS-BOT-BC95474  Eremogone aculeata John H. Hatton 1911-6-20 130 Modoc Near Bolles meadows, Lava-Juniper country. 1524 Comment
  CAS-BOT-BC95481  Eremogone aculeata Bruce Bartholomew; Mona Bourell 1990-4-27 5195 Modoc 1.1 km E of the Modoc National Forest boundary on Parker Creek Road. 1660 Comment
  CAS-BOT-BC95482  Eremogone aculeata Clare Butterworth Hardham 1961-6-18 7581 Modoc Cedar Pass. 1828 Comment
  CAS-BOT-BC95484  Eremogone aculeata Leland S. Smith 1917-6-10 33 Modoc Jess Valley. 1524 Comment
  CAS-BOT-BC95459  Eremogone congesta K. Paulson; Robert Paulson 1988-6-11 18 Modoc Barnes Grade, Crowder Flat Rd. to Devil's Garden. 1432 Comment
  SJSU9557  Eremogone congesta var. simulans W. Savage 1979-7-3 1296 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  RSA0057701  Eremogone congesta var. subcongesta Mrs. R. M. Austin 1895-06 466 Modoc Davis Creek. Comment
  CAS-BOT-BC291261  Ericameria bloomeri Mrs. C. C. Bruce 1899-8-1 s.n. Modoc Goose Lake Comment
  UC295950  Ericameria bloomeri H. M. Hall 1925-8-30 12209 Modoc 30 mi from Lakeview (mt slopes e side of Goose Lake); Goose Lake Comment
  UC69640  Ericameria bloomeri Mrs. M. H. Manning 480 Modoc Joseph Creek Basin, ne Modoc County Joseph Creek Basin Comment
  CAS-BOT-BC14776  Ericameria greenei Robert Patterson; Mona Bourell 1993-8-15 5239 Modoc Warner Mountains. Along trail from Patterson Lake to ca. 2 mi north towards Pepperdine Trailhead. 2743 Comment
  HSC5202  Ericameria nauseosa var. graveolens Mrs. M. H. Manning 1902-10-4 14 Modoc Comment
  CHSC106341  Ericameria nauseosa var. oreophila Lowell Ahart; John Dittes 2010-8-30 17052 Modoc About 3 yards east of the fence, south edge of the meadow, Ash Creek State Wildlife Area, 2,300 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  SBBG128118  Ericameria nauseosa var. oreophila L. Ahart, J. Dittes 2010-8-30 17052 Modoc S edge of the meadow, Ash Crk State Wildlife Area, 2300 feet N of Lassen County Line, ca. 3.6 mi W of Adin, ca. 8 mi NE of Bieber, Big Valley 1267 Comment
  UC87245  Ericameria nauseosa var. oreophila Mrs. R. M. Austin 1894-8-1 Modoc hills near Alturas Comment
  UCD131477  Ericameria nauseosa var. oreophila K. M. Meyer; A. Townesmith 2007-9-16 212 Modoc Modoc National Forest, going E on Highway 299, 5.1 miles from the start of NF. Lower, Cedar Creek interpretive trail. 1622 Comment
  UCD131147  Ericameria parryi var. latior Beecher Crampton 1954-7-8 2198 Modoc 4 miles west of Alturas, on small volcanic mesa. Comment
  UCD32745  Ericameria parryi var. latior Beecher Crampton 1954-7-8 2198 Modoc 4 miles west of Alturas, on small volcanic mesa. Comment
  RSA74773  Erigeron barbellulatus Elroy Robinson 1936-7-20 b 115 Modoc Along trail bet Mono Hot Springs and Mono Meadow. 2134 Comment
  CAS-BOT-BC42809  Erigeron bloomeri var. bloomeri Ethel S. Willits 1940-6-5 326 Modoc Canby. 1371 Comment
  CAS-BOT-BC42846  Erigeron bloomeri var. bloomeri Alice Eastwood; John Thomas Howell 1940-6-12 8084 Modoc Jess Valley. Comment
  HSC28523  Erigeron bloomeri var. bloomeri D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19386 Modoc Along Hager Basin Rd. near Big Sage Reservoir. Comment
  JEPS126547  Erigeron bloomeri var. bloomeri Lowell Ahart, John Dittes 2016-6-6 20952 Modoc 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. Comment
  SJSU9565  Erigeron bloomeri var. bloomeri W. Savage 1979-7-3 1305 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  HSC67926  Erigeron compositus J. P. Smith, J. O. Sawyer 1973-8-8 7225 Modoc Near summit of Eagle Peak 2988 Comment
  UC748396  Erigeron coulteri Annie M. Alexander and Louise Kellogg 1946-8-3 5109 Modoc head of Eagle Creek; Warner Mountains, Eagle Creek Comment
  UC468814  Erigeron divergens M. F. Gilman 658 Modoc Comment
  CAS-BOT-BC42799  Erigeron eatonii var. plantagineus James Vale 1981-5-23 s.n. Modoc Egg Lake. Comment
  RSA518731  Erigeron eatonii var. plantagineus Barbara Ertter 1988-6-18 7628 Modoc Hwy. 139 14.5 miles ENE of jct. Hwy 299 at Canby, N of Bessler Reservoir 1463 Comment
  OBI50219  Erigeron eatonii var. plantagineus Barbara Ertter 1988-6-18 7628 Modoc Hwy 139 14.5 mi ENE of jct hwy 299 at Canby, N of Bessler Reservoir. T43N R7E sec 36 1463 Comment
  SEINET8667235 Image available Erigeron eatonii var. plantagineus M. J. Williams 1984-6-28 84- 67 -2 Modoc 2 miles North of intersection between Soldier Creek and Old Cannon Mill roads. Warner Mountains North of Cedar Pass. 2057 Comment
  SJSU9697  Erigeron eatonii var. plantagineus W. Savage 1979-7-10 1538 Modoc Oregon Rim Unit, Devils Garden District, Modoc National Forest Comment
  CAS-BOT-BC42769  Erigeron elegantulus Alice Eastwood; John Thomas Howell 1940-6-14 8238 Modoc Between Mammoth Cave and Lava Beds Nat. Mon. Comment
  POM203066  Erigeron filifolius J. T. Howell 1934-6-30 12283 Modoc Duncan Horse Camp. Comment
  POM204115  Erigeron filifolius J. T. Howell 1934-6-13 12099 Modoc Patterson Mill Road, Warner Mtns. 1677 Comment
  UC71825  Erigeron filifolius Mrs. M. H. Manning 559 Modoc Mt. Bidwell 2438 Comment
  SBBG101261  Erigeron inornatus R. R. Halse 1991-7-28 4245 Modoc St Hwy 139, 13 mi NW of jct with St Hwy 299 1469 Comment
  RSA504615  Erigeron inornatus var. inornatus Bruce Bartholomew, B. Anderson 1988-7-21 4405 Modoc 2.1 km SSE of Day on the road to state Highway 299 1020 Comment
  JEPS41572  Erigeron linearis N. T. Mirov 1929-7-4 Modoc Lily Lake Warner Mountains, Lily Lake (about 1 mi s of Oregon-California boundary) 2438 Comment
  RSA554794  Erigeron linearis Margaret J. Williams 1988-5-30 88- 26 -3 Modoc Jess Valley, S of roadside rest. 1524 Comment
  UC748379  Erigeron linearis Annie M. Alexander and Louise Kellogg 1946-6-10 4719 Modoc lava bench between Lower and Snake Lake (slope facing Lower Lake) Comment
  CDA35644  Erigeron peregrinus J. R. Keck Jr. 1985-7-11 PDR# 237700 Modoc Davis Creek, Modoc National Forest. Comment
  CAS-BOT-BC49576  Erigeron philadelphicus Bruce Bartholomew 1989-8-12 5128 Modoc Deep Creek, E side of Warner Mountains. 1920 Comment
  JEPS5923  Erigeron philadelphicus var. philadelphicus Frances D. Payne 1931-6-20 202 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  UC748097  Erigeron philadelphicus var. philadelphicus Annie M. Alexander and Louise Kellogg 1946-7-7 4918 Modoc below Lake City Comment
  CAS-BOT-BC49586  Erigeron pumilus subsp. intermedius M. M. Hanna 1956-6-7 s.n. Modoc Highway 139, Canby to Tienesta. Comment
  CAS-BOT-BC497216  Eriogonum collinum Margaret J. Williams; Arnold Tiehm; Jan Nachlinger 1988-6-2 88- 28 -2 Modoc Jess Valley, E of Likely, S of roadside rest Comment
  RSA531327  Eriogonum elatum var. elatum Bruce Bartholomew, B. Anderson 1990-7-20 5472 Modoc 10.3 km north of Buck Creek Ranger Station, crest of Warner Mountains west side of Warner Mountains. 2130 Comment
  UCR40300  Eriogonum heracleoides var. angustifolium G. R. Ballmer, G. F. Pratt 1985-7-15 s.n. Modoc Warner Mtns., near the summit of Mount Bidwell 2500 Comment
  CDA35640  Eriogonum nudum J. R. Keck Jr. 1985-7-1 PDR# 237693 & PDR# 237694 Modoc U. S. Forest Service land, Modoc National Forest. 0 Comment
  CAS-BOT-BC211409  Eriogonum nudum var. pubiflorum Bruce Bartholomew; Barrett Anderson 1990-7-21 5552 Modoc W edge of Middle Alkali Lake, directly E of Cedarville, Surprise Valley. 1370 Comment
  CAS-BOT-BC211415  Eriogonum nudum var. pubiflorum J. F. Emmel 1968-7-15 81 Modoc 2 mi. E of town of Pine Creek, Warner Mts. Comment
  CAS-BOT-BC211438  Eriogonum nudum var. pubiflorum John Thomas Howell 1935-6-12 11985 Modoc Surprise Station. Comment
  NY762339  Eriogonum nudum var. pubiflorum N. H. Holmgren 1964-8-21 1717 Modoc Warner Range, Modoc National Forest, about 5 miles southwest of Eagleville on the Eagleville-Likey Road Comment
  RSA165444  Eriogonum nudum var. pubiflorum Clare B. Hardham 1961-6-19 7842 Modoc Willow Creek. Comment
  RSA711072  Eriogonum nudum var. pubiflorum R. R. Halse 2004-7-22 6671 Modoc Along U.S. Highway 395, ca. 6 miles north of Alturas 1341 Comment
  CAS-BOT-BC211402  Eriogonum nudum var. pubiflorum Frederick H. Frost 1925-7-13 71 Modoc Roadside S of Cedarville, Warner Mts. Comment
  CAS-BOT-BC211403  Eriogonum nudum var. pubiflorum Harry Dwight Dillon Ripley; Rupert Charles Barneby 1944-6-1 6030 Modoc Canyon of Warner Mts. back of Cedarville. 1219 Comment
  NY762346  Eriogonum nudum var. pubiflorum M. J. Williams 1984-6-30 8476- 1 Modoc Cedar Pass Road, Warner Mountains, 1.7 miles west of Cedarville. 1508.8 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
  UCD100705  Eriogonum nudum var. pubiflorum Richard R. Halse 1991-7-28 4244 Modoc along State Hwy. 139, 13 miles NW of its junction with State Hwy 299. 1469 Comment
  CAS-BOT-BC211399  Eriogonum ovalifolium var. ovalifolium Bruce Bartholomew 1991-5-24 5711 Modoc Surprise Valley, E of Eagleville at the Nevada State boundary. 1520 Comment
  JEPS56563  Eriogonum prociduum Frances D. Payne 1931-6-29 280 Modoc Trail from Granger Pass to Mt. Warren; Warner Mountains 2438 Comment
  HSC81002  Eriogonum spergulinum var. reddingianum G. M. Riegel 1979-7-30 622 Modoc S Warner Mtns. 1829 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
  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
  CAS-BOT-BC211381  Eriogonum sphaerocephalum var. halimioides Bruce Bartholomew; Barrett Anderson 1990-7-19 5393 Modoc Turner Creek at County Rd 90, N end of Big Valley, 6.4 km N of Lassen County border. 1230 Comment
  CAS-BOT-BC211384  Eriogonum sphaerocephalum var. halimioides Bruce Bartholomew; Barrett Anderson 1988-6-23 4252 Modoc 4.2 km NW of Day. 1020 Comment
  CAS-BOT-BC211387  Eriogonum sphaerocephalum var. halimioides Roxana Stinchfield Ferris; R. Duthie 1919-6-14 134 Modoc Above Parker Creek. Modoc National Forest Comment
  CHSC100839  Eriogonum sphaerocephalum var. halimioides L. P. Janeway; B. Castro 2008-8-17 9575 Modoc Warner Mountains. 2.4 km east of Bald Mountain; broad saddle between Daniels Creek and an unnamed northern branch of Soldier Creek. 2209 Comment
  CHSC112053  Eriogonum sphaerocephalum var. halimioides Lowell Ahart; John Dittes 2012-7-11 18344 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. 1260 Comment
  NY283115  Eriogonum sphaerocephalum var. halimioides Anonymous 1981-6-29 57 Modoc South of Goose Lake 1450.9 Comment
  NY283122  Eriogonum sphaerocephalum var. halimioides B. Anderson 1986-7-9 3159 Modoc Warner Mountains. Highway 299 just west of Cedar Pass. Comment
  POM105203  Eriogonum sphaerocephalum var. halimioides R. M. Austin 1895-08 436 Modoc Goose Lake Valley. 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
  UC585152  Eriogonum sphaerocephalum var. halimioides E. B. Babcock, G. L. Stebbins Jr. 1936-6-9 1797 Modoc hill above Lake City 1515 Comment
  SEINET11261407  Eriogonum sphaerocephalum var. halimioides Margaret J. Williams 1984-7-1 84- 88 -1 Modoc NW of Alturas, 3.5 mi N of Hwy 299, Crowder Flat Raod.; 0 1372 Comment
  SJSU9585  Eriogonum strictum W. Savage 1979-7-4 1347 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  CAS-BOT-BC211355  Eriogonum strictum subsp. anserinum G. D. Hanna; M. M. Hanna 1956-6-5 Modoc Cedar Pass. Comment
  CHSC32928  Eriogonum strictum var. anserinum J. P. Smith; J. O. Sawyer 1973-8-8 7246 Modoc South slopes of Eagle Peak. 2743 Comment
  UC1250295  Eriogonum strictum var. anserinum Annie M. Alexander and Louise Kellogg 1946-7-24 5072 Modoc Horse Mountain Warner Mountains, Horse Mountain Comment
  UC849663  Eriogonum strictum var. anserinum Lewis S. Rose 1940-6-12 40541 Modoc 6 mi ne Alturas 1341 Comment
  CAS-BOT-BC211375  Eriogonum umbellatum Bruce Bartholomew 1991-8-5 6069 Modoc Summit Trail between Squaw Peak and Cottenwood Lake along crest of Warner Mts. 2530 Comment
  CAS-BOT-BC211328  Eriogonum umbellatum var. dichrocephalum J. L. Reveal; Darin Scott Reveal 1978-8-11 4821 Modoc Warner Mts., along Modoc Co. Rd. 2 from near New Pine Creek to Fort Bidwell, just E of Poison Lake turnoff about 5.4 miles E of US Hwy 395 1935 Comment
  RSA271942  Eriogonum umbellatum var. modocense Christopher Davidson 1975-6-4 2595 Modoc 0.4 miles E of Hwy 395 on Hwy 299 toward Cedarville. 1380 Comment
  UC1540182  Eriogonum umbellatum var. modocense Dean Wm. Taylor, Glenn L. Clifton, Rexford E. Palmer 1987-8-9 9274 Modoc Dry Lake 1341 Comment
  NY399269  Eriogonum umbellatum var. nevadense M. J. Williams 1984-7-1 8487- 6 Modoc Northwest of Alturas, Crowder Flat Road, near Big Sage Reservoir 1371.6 Comment
  UC412839  Eriogonum umbellatum var. nevadense Milo S. Baker Modoc near Egg Lake Comment
  CAS-BOT-BC197625  Eriogonum umbellatum var. polyanthum J. L. Reveal 1971-6-22 2461 Modoc Along U.S. Highway 395 at Davis Creek. 1432 Comment
  HSC81003  Eriogonum umbellatum var. polyanthum G. M. Riegel 1980-6-25 774 Modoc S Warner Mtns. 1739 Comment
  SD86296  Eriogonum umbellatum var. polyanthum James L. Reveal 1971-6-22 2461 Modoc Along U.S. Highway 395 at Davis Creek 1449 Comment
  SEINET248298  Eriogonum umbellatum var. porteri Noel H. Holmgren, James L. Reveal 1964-8-22 1420 Modoc Warner Range, just below the top of Eagle Peak. 3028 Comment
  NY399569  Eriogonum vimineum B. M. Bartholomew 1991-6-22 5856 Modoc Northeast side of Surprise Valley on road to Fee Reservoir, 6.4 km east of Fort Bidwell 1490 Comment
  HSC17397  Eriogonum vimineum M. T. Milligan 1964-8-8 222 Modoc 2 mi. W on Jones Lane at Westside Canal, from Hwy. 395 1372 Comment
  CAS-BOT-BC49565  Eriophyllum lanatum Bruce Bartholomew 1991-8-4 6023 Modoc Vicinity of Pepperdine Camp Ground, W side of the Warner Mts. 2090 Comment
  CAS-BOT-BC49593  Eriophyllum lanatum John Thomas Howell 1934-7-1 12307 Modoc Duncan Horse Camp. 1355 Comment
  CAS-BOT-BC49597  Eriophyllum lanatum Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10512 Modoc Patterson Ranger Station (East Creek drainage), Modoc N.F., Warner Mtns. 2164 Comment
  POM66628  Eriophyllum lanatum var. achilleoides Mrs. R. M. Austin 1896-07 567 Modoc Goose Lake Valley Comment
  UC711856  Eriophyllum lanatum var. achilleoides Roxana S. Ferris and Laura Lorraine 1941-8-13 10512 Modoc e Creek drainage Patterson Ranger Station; Modoc National Forest, Warner Mountains 2164 Comment
  SD120856  Eriophyllum lanatum var. achilleoides Dale E. Johnson, J. E. Eckenwalder 1974-6-16 131 Modoc Warner Mountains, just west of summit of Cedar Pass on Highway 299. 1920 Comment
  SDSU4093  Eriophyllum lanatum var. achilleoides D. F. Howe 1964-7-31 3906 Modoc Modoc National Forest 8.5 miles from entrance on road from Likely, Warner Mts. 1554 Comment
  SEINET11840143  Eriophyllum lanatum var. achilleoides D. E. Johnson, Eckenwalder, J. E. 1974-1 131 Modoc Warner Mountains, just W of summit of Cedar Pass on Hwy 299 (Alturas-Cedarville Rd) 1920 Comment
  UC31672  Eriophyllum lanatum var. achilleoides Milo S. Baker 1893-6 Modoc Comment
  UC75807  Eriophyllum lanatum var. integrifolium Milo S. Baker 1893-1 Modoc Forestdale Comment
  CHSC106338  Eryngium alismifolium Lowell Ahart; John Dittes 2010-8-30 17063 Modoc About 5 yards east of the fence, south edge of the meadow, Ash Creek State Wildlife Area, 2,300 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  JEPS25824  Eryngium alismifolium Leland S. Smith June, 1924 1384 Modoc Egg Lake Ranch Comment
  JEPS94079  Eryngium alismifolium Vernon H. Oswald and Lowell Ahart 1998-9-8 9599 Modoc ca. 20 air mi. n. McArthur (Mosquito Lake on the n. side of Whitehorse Flat Reservoir); Whitehorse Flat Reservoir, Mosquito Lake 1341 Comment
  UC635846  Eryngium alismifolium Louis C. Wheeler 1935-8-21 3900 Modoc Pine Spring, Devils Garden 1524 Comment
  CAS-BOT-BC21477  Eryngium articulatum Bruce Bartholomew 1991-8-4 6013 Modoc W side of Goose Lake, 10.5 km N of McGinty Point. 1460 Comment
  CHSC100392  Eryngium articulatum Lowell Ahart; John Dittes 2008-8-25 15285 Modoc On the west bank (flood plain) of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-notheast of Lookout. 1273 Comment
  JEPS16990  Eryngium articulatum M. S. Baker and Franklin P. Nutting 1894-8-30 Modoc near Forestdale Comment
  RSA210855  Eryngium articulatum R. F. Thorne, C. W. Tilforth 1969-9-4 39059 Modoc 2 mi W of Davis Creek (town), S of Goose Lake. 1433 Comment
  UC1051434  Eryngium articulatum Herbert L. Mason 1955-8-14 14650 Modoc s. end Goose Lake Comment
  UC809837  Eryngium articulatum G. L. Stebbins Jr. with P. Dansereau, C. McMillan, and K. Narayan 1949-8-7 4012 Modoc 35 mi. s. Tule Lake (Mud Lake); Mud Lake 1524 Comment
  SJSU9689  Eryngium articulatum W. Savage 1979-7-24 Modoc Long Meadow Unit, Devils Garden District, Modoc National Forest 1615 Comment
  CHSC67324  Eryngium mathiasiae James D. Jokerst 1986-8-10 2753 Modoc Radar Site Survey S of Doublehead Mtn., Rimrock Lake. 1341 Comment
  UC1487310  Eryngium mathiasiae Gregg Riegel 1981-6-10 Modoc N of Canby (along Loveness Road around reservoir) 1524 Comment
  CAS-BOT-BC58331  Erysimum capitatum var. capitatum Annie Montague Alexander; L. Kellogg 1946-6-27 4843 Modoc Highgrade, (top of ridge, 2 mi. by road from Dismal Swamp) N end fo Warner Mountains. 2377 Comment
  CDA3715  Erysimum cheiranthoides T. C. Fuller 1958-8-12 2071 Modoc Corporation Ranch, Likely. 0 Comment
  UC1191426  Erysimum repandum Herbert L. Mason 1947-7-10 13346 Modoc 2 mi e Alturas; Dorris Reservoir Comment
  CAS-BOT-BC229925  Erythranthe guttata Leland S. Smith 1919-8-18 1135 Modoc Ash Valley. 1463 Comment
  SEINET14294046  Erythranthe lewisii A. Sanger 1996-7-12 2414 Modoc [Warner Mountains,] Joseph Creek, 1 mile SW of Bald Mountain, stream at end of road. 1987 Comment
  CAS-BOT-BC234478  Erythranthe moniliformis Annie Montague Alexander; L. Kellogg 1946-7-7 4957 Modoc Eight Mile Creek. 1752 Comment
  CAS-BOT-BC234482  Erythranthe moniliformis Bruce Bartholomew; Barrett Anderson 1988-7-22 4536 Modoc Mill Creek, Lake City Canyon, 5.5 km W of Lake City, E side of the Warner Mts.. 1860 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
  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-BC234436  Erythranthe tilingii V. J. Wetherell 1961-8-9 483 Modoc Stowe Reservoir Campground, 1 mi. E of Cedar Pass. 1828 Comment
  UC10029  Eschscholzia californica Milo S. Baker 1893-6-18 Modoc Comment
  RSA520358  Eschscholzia californica subsp. californica Bruce Bartholomew, B. Anderson 1989-6-3 4917 Modoc 9 km W of County Route 91 along the N side of the Pit River 1340 Comment
  UCR138443  Eupatorium occidentale David A. Charlet 1989-8-17 563 Modoc 1 km SW of Dusenbery Peak, Warner Mountains 2771 Comment
  CAS-BOT-BC497302  Euphorbia crenulata B. Bartholomew 1995-6-24 7029 Modoc 0.3 km W of turn-off to Dusty's Waterhole from Forest Service Road 42N23 1320 Comment
  CAS-BOT-BC95713  Euphorbia serpillifolia Bruce Bartholomew 1991-8-4 6015 Modoc W side of Goose Lake, 10.5 km N of McGinty Point. 1460 Comment
  CAS-BOT-BC95715  Euphorbia serpillifolia Annie Montague Alexander; L. Kellogg 1946-6-20 4808 Modoc Eagleville. 1440 Comment
  CAS-BOT-BC95717  Euphorbia serpillifolia Fred. P. Cronemiller 1920-9-14 17 Modoc Round Valley. 1432 Comment
  CAS-BOT-BC218206  Euphorbia spathulata Bruce Bartholomew; Barrett Anderson 1988-7-21 4418 Modoc S end of Whitehorse Flat Reservoir. 1340 Comment
  CAS-BOT-BC218208  Euphorbia spathulata Margaret J. Williams 1988-5-30 88- 26 -12 Modoc Jess Valley, E of Likely, S of roadside rest. Comment
  CDA20770  Euphorbia virgata C. Pirosko 2006-6-19 PDR 1303861 Modoc Schluter Ranch; Pencil Rd, 2 miles N of Alturas off Hwy. 395. Comment
  JEPS31885  Eurybia integrifolia Leland S. Smith 1918-8-10 1017 Modoc Lost Lake Hat Peak ((prob. lake just nw of Hat Peak in s portion of Warner Mts)); Modoc National Forest, Warner Mts., Lost Lake 2286 Comment
  UC71688  Euthamia occidentalis Mrs. M. H. Manning 1903-8-26 330 Modoc near Fort Bidwell; ne Modoc Co. Comment
  UCR163251  Festuca Jim Andre 1993-7-3 1424 Modoc Modoc Plateau, about 10 miles NW of Canby on Hwy 139, near NW end of Oak Ridge 1494 Comment
  CAS-BOT-BC247706  Festuca idahoensis Leland S. Smith 1917-7-10 105 Modoc Granger Mill. 2133 Comment
  CAS-BOT-BC247708  Festuca idahoensis John Thomas Howell 1934-6-11 11929 Modoc Parker Creek. 1584 Comment
  CAS-BOT-BC247717  Festuca idahoensis John Thomas Howell 1934-7-3 12376 Modoc 5 mi. S of Hackamore. Comment
  HSC80819  Festuca idahoensis G. M. Riegel 1979-8-13 658 Modoc South Warner Mtns. 2100 Comment
  UC1024898  Festuca idahoensis Leo Whitney 1935-5-23 3116 Modoc 15 mi nw Canby; Modoc National Forest, Hackamore 1463 Comment
  UC1025016  Festuca rubra Leo Whitney 1935-7-12 3496 Modoc 10 mi w Canby; Cottonwood Flat Comment
  UC72969  Fragaria virginiana subsp. platypetala Milo S. Baker 1893-1 Modoc Forestdale Comment
  CHSC117012  Frasera albicaulis var. modocensis Lowell Ahart; John Dittes 2016-6-6 20954 B Modoc About 40 yardswest of the dirt road, about 50 yards southwest of the intersection of County Road 87and Access Road to Pilot Butte Parking Area northeastbase of Pilot Butte, 3.8 miles (air) east of Lookout, .5 miles (air) west of Adin, Ash Creek State Wildlife Area 1271 Comment
  CAS-BOT-BC191140  Fraxinus latifolia Bruce Bartholomew 1991-7-6 5982 Modoc W side of Egg Lake. 1300 Comment
  RSA534561  Fraxinus latifolia Bruce Bartholomew 1991-7-6 5982 Modoc W side of Egg Lake 1300 Comment
  SD133989  Fraxinus latifolia B. Bartholomew 1991-7-6 5982 Modoc West side of Egg Lake. 1299 Comment
  CAS-BOT-BC242106  Fritillaria atropurpurea Bruce Bartholomew; Barrett Anderson 1988-6-24 4294 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-BC242108  Fritillaria atropurpurea Mrs. H. C. Cantelow 1941-5-12 s.n. Modoc 2 mi. W of Adin summit on U.S. Hwy. 299. Comment
  UC615047  Fritillaria atropurpurea Beryl O. Schreiber 1934-6-10 1174 Modoc Warner Mountains, Lost Lake Lost Lake; Warner Mountains, Lost Lake Comment
  SEINET8478733  Fritillaria atropurpurea M. J. Williams 1968-1 Modoc Comment
  UC3638  Fritillaria atropurpurea Milo S. Baker 1893-6-10 Modoc Comment
  UC421755  Fritillaria atropurpurea Mrs. R. M. Austin 117 Modoc above Emigrant Springs (35 mi w of Goose (?)) Comment
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May 28 2006
  CHSC65862  Fritillaria pudica J. Ingraham 1995-4-16 11 Modoc 1 mi N. of Davis Creek on Hwy 395, 300 yds. E of Junction of Co. Rd. 133B and Hwy 395, 100 yds. E. 1487 Comment
  HSC29996  Fritillaria pudica D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19394 Modoc Along Hager Basin Rd. near Big Sage Reservoir. Comment
  UC119837  Fritillaria pudica Mrs. R. M. Austin Apr. 1894 5 Modoc Lassen Creek Comment
  CDA40747  Galeopsis tetrahit T. C. Fuller 1958-7-8 1973 Modoc Corporation Ranch, Likely. 0 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
  CAS-BOT-BC225080  Galium serpenticum subsp. warnerense Louis Cutter Wheeler 1935-8-6 3794 Modoc edge of Warner Mts., 0.25 mi. E Pine Creek (town). 1554 Comment
  JEPS27646  Galium serpenticum subsp. warnerense Ehrendorfer and Stebbins 1959-6-28 5913 Modoc plateau, top and s rim Mt. Bidwell; , plateau, top and s rim 2438 Comment
  RSA252407  Galium trifidum var. pusillum Robert F. Thorne, C. W. Tilforth 1969-9-5 39168 Modoc Modoc National Forest, Warner Mountains, Clear Lake. 1768 Comment
  UC1408970  Galium trifidum var. pusillum R. F. Thorne and C. W. Tilforth 1969-9-5 39168 Modoc Clear Lake Modoc National Forest, Warner Mts. 1767 Comment
  CHSC109739  Galium triflorum B. Castro; L. P. Janeway 2012-7-28 1981 Modoc Warner Mountains. Along the major eastern tributary of Pine Creek where the road to Poison Lake crosses it (the road washed out here). 1943 Comment
  UC1075753  Gayophytum heterozygum Robert J. Weatherby 1955-7-8 1609 Modoc 7 mi n Fort Bidwell 1874 Comment
  UC422804  Gayophytum racemosum Milo S. Baker Modoc near Lookout Comment
  UC123659  Gentiana affinis var. ovata Milo S. Baker 1893-6 Modoc near bank McCloud R. Comment
  UC187819  Gentianopsis simplex Mrs. R. M. Austin Aug, 1894 95 Modoc head waters of Lassen Creek Comment
  CHSC116075  Geranium carolinianum Lowell Ahart; John Dittes 2015-7-16 20395 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-BC180061  Geranium viscosissimum Bruce Bartholomew 1990-6-16 5268 Modoc W side of Pine Creek Basin, Warner Mountains. 2200 Comment
  JEPS61451  Geranium viscosissimum Frances D. Payne 1931-6-17 164 Modoc s and e of Alturas; Warner Mountains, Parker Creek 1584 Comment
  CAS-BOT-BC214656  Geum macrophyllum Bruce Bartholomew; Barrett Anderson 1988-7-21 4442 Modoc Above Upper Rush Creek Campground ca. 4 km E of State Highway 299 between Adin and Canby. 1580 Comment
  CAS-BOT-BC214682  Geum triflorum Leland S. Smith 1917-7-2 60 Modoc Shields Creek. 2316 Comment
  HSC18642  Geum triflorum M. T. Milligan 1967-7-8 665 Modoc W slope of Eagle Peak 2439 Comment
  UC1607688  Geum triflorum Barbara Ertter 1988-6-18 7627 Modoc 14.5 mi ene of jct Hwy 299 at Canby (n of Bessler Reservoir, Hwy 139) 1463 Comment
  CAS-BOT-BC214658  Geum triflorum Mrs. H. C. Cantelow 1940-6-2 4300 Modoc NW of Canby Comment
  UC1299119  Geum triflorum Freed W. Hoffman 1946-5-30 681 Modoc along Highway 86 not far from Canby Comment
  RSA504665  Geum triflorum var. ciliatum K. Paulson, R. Paulson 1988-5-22 s.n. Modoc Boles Creek, Devil's Garden. 1402 Comment
  CAS-BOT-BC190697  Gilia inconspicua Bruce Bartholomew; Barrett Anderson 1989-4-29 4695 Modoc E side of Surprise Valley, just W of the Nevada border and ca. 15 km E of Cedarville. 1500 Comment
  CAS-BOT-BC190694  Gilia inconspicua Elmer Ivan Applegate 1935-6-7 9395 Modoc Thomas Massacre area, Lava Beds National Monument. Comment
  CAS-BOT-BC190689  Gilia leptalea subsp. leptalea Bruce Bartholomew 1995-7-30 7048 Modoc Big Valley Mountains N of County Road 94. 1400 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
  CAS-BOT-BC190678  Gilia modocensis Bruce Bartholomew 1991-5-24 5723 Modoc NE end of Surprise Valley, 6.5 km E of Fort Bidwell on road to Fee Reservoir. 1500 Comment
  CDA39673  Glaux maritima C. Pierce 1976-7-23 s.n. Modoc Fee Ranch, Fort Bidwell. 0 Comment
  HSC10052  Glyceria borealis M. T. Milligan 1966-6-30 512 Modoc Slopes and ridges E of Jess Valley 1768 Comment
  JEPS114839  Glyceria borealis Lowell Ahart, John Dittes 2008-6-21 15006 Modoc In shallow water 6-8 inches deep, along a deep natural drainage, about 30 yards west of the levee, in Big Valley, about 3.6 miles (air) northeast of the Headquarters at Ash Creek State Wildlife Area, about 6.4 miles (air) northeast of Bieber 1269 Comment
  JEPS117623  Glyceria borealis Lowell Ahart, John Dittes 2010-8-31 17121 Modoc About 5 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
  POM203473  Glyceria borealis J. T. Howell 1934-7-2 12362 Modoc Near mouth of Willow Creek, northeast side of Clear Lake. Comment
  SEINET4584852  Glyceria borealis S. Swift 1937-6-26 51 Modoc North Fork Pit River 1280 Comment
  HSC10085  Glyceria striata M. T. Milligan 1966-7-5 560 Modoc Slopes and ridges E of Jess Valley 1768 Comment
  CAS-BOT-BC49529  Gnaphalium palustre Annie Montague Alexander; L. Kellogg 1946-7-6 4913 Modoc 3.5 mi. E of Eagleville. Comment
  CHSC117252  Gnaphalium palustre Lowell Ahart; John Dittes 2016-7-14 21157 -A Modoc West side of new pond, south of Ash Creek Canal (now filled in), south of Ash Creek State Wild Life Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. 1271 Comment
  HSC67887  Gnaphalium palustre J. P. Smith, J. O. Sawyer 1973-8-9 7260 Modoc Blue Lake, Modoc National Forest. 1829 Comment
  RSA424793  Gratiola ebracteata Louis C. Wheeler 1935-8-22 3909 Modoc Devil's Garden: South Mt. Reservoir. 1524 Comment
  CAS-BOT-BC229890  Gratiola neglecta Herbert Louis Mason; Verne Grant 1947-7-12 13393 Modoc Jones' Lane, off Hwy 395, several miles S of Alturas. Comment
  CAS-BOT-BC95536  Grayia spinosa Bruce Bartholomew 1990-6-17 5292 Modoc Surprise Valley, W side of Lower Alkali Lake, 5.6 km N of Lassen County border. 1370 Comment
  UCD132466  Grindelia camporum E. K. Balls 1954-8-2 19715 Modoc in Botanic Garden, Prop. No. 8241. From 4.2 miles northeast of junction Highways 299 and 139, along highway 299 near Canby. 1371 Comment
  CAS-BOT-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
  HSC42420  Grindelia hirsutula Barbara Kelly 1977-7-24 545 Modoc Hwy. 299 near Adin Pass, 100 yards E of Higgins Flat turnoff. Comment
  SEINET3146837  Grindelia hirsutula M. S. Baker sn Modoc Forest Dale 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
  RSA0059445  Grindelia nana M. S. Baker 1899-8-18 s.n. Modoc Little Hot Spring Valley Comment
  UC78799  Hackelia californica Mrs. R. M. Austin July 1887 Modoc Pine Hills Comment
  CAS-BOT-BC54086  Hackelia cusickii Mrs. H. C. Cantelow 1940-6-2 Modoc 10 mi. NW of Canby on road to Lava Beds National Monument. Comment
  CAS-BOT-BC54095  Hackelia cusickii M. M. Hanna 1956-6-7 1019 Modoc Hwy 139 between Canby and Tienesta. Comment
  RSA531333  Hackelia cusickii Bruce Bartholomew, M. Bourell 1990-4-28 5209 Modoc 4.3 km SE of Rush Creek on road to Hunters Ridge 1550 Comment
  UC1560395  Hackelia floribunda E. Joyal and D. Mehlman 1988-6-28 1292 Modoc North Warner Mountains, ridge road North Warner Mountains Comment
  CAS-BOT-BC54100  Hackelia micrantha Bruce Bartholomew 1991-8-5 6037 Modoc Squaw Peak Trail on N side of Squaw Peak, E side of Warner Mts. 2420 Comment
  SBBG28840  Hackelia micrantha C. L. Hitchcock 1940-5-27 6691 Modoc 15 mi NE of Alturas 1615 Comment
  SEINET10842094  Haplopappus bloomeri var. angustatus Louis C. Wheeler 1935-9-9 Wheeler 3960 Modoc Dry sunny rocky site with Artemisia tridentata. 1 mi. NE south Mt., Devil's Garden. S8, T46N, R12E. 1524 Comment
  CAS-BOT-BC49549  Helianthus annuus Annetta Mary Carter 1946-8-18 1775 Modoc Round Valley, 3 mi. NE of Adin. 1402 Comment
  JEPS114490  Helianthus annuus Lowell Ahart, John Dittes 2008-8-25 15313 Modoc On the east bank of the Pit River (flood plain), about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout 1273 Comment
  JEPS117167  Helianthus annuus Lowell Ahart, John Dittes 2010-8-30 17072 Modoc About 150 yards west of the fence, south edge of the meadow, Ash Creek State Wildlife Area, 2,300 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley 1267 Comment
  CAS-BOT-BC54063  Heliotropium curassavicum Elmer Ivan Applegate 1897-6-7 901 Modoc E side of Tule Lake. Comment
  RSA611434  Heliotropium curassavicum var. oculatum L. C. Wheeler 1935-9-4 3943 Modoc Goose Lake: McGinty Point. 1463 Comment
  HSC3673  Heliotropium curassavicum var. oculatum D. E. Anderson 1962-8-6 2329 Modoc 1 mi. S of Alturas, along 395 Comment
  JEPS103206  Heliotropium europaeum G. Schoolcraft 1987-9-9 1777 Modoc Along Ash Valley Road about 1/2 miles east of Adin 1280 Comment
  UC1555786  Heliotropium europaeum Gary Schoolcraft 1987-9-9 1777 Modoc along Ash Valley Rd. ca. 1/2 mi. e Adin 1280 Comment
  JEPS103222  Hemizonella minima G. Schoolcraft 1991-5-22 2138 Modoc SW of Alturas about 5 mi 1402 Comment
  UCD37471  Hemizonella minima Beecher Crampton 1960-6-17 5690 Modoc 5 miles south of Perez, Plant Quarantine Station. 1371 Comment
  CHSC106324  Hemizonia lobbii Lowell Ahart; John Dittes 2010-8-31 17094 Modoc On the east side of Elkins Lane, about 50 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
  CAS-BOT-BC21466  Heracleum lanatum Bruce Bartholomew 1989-8-11 5068 Modoc Along Lassen Creek near SE side of Harris Flat, Warner Mountains. 1920 Comment
  CAS-BOT-BC21473  Heracleum lanatum Annie Montague Alexander; L. Kellogg 1946-7-12 4982 Modoc Twelve Mile Creek. Comment
  CHSC85194  Hesperochiron californicus John Dittes; Josephine Guardino 1991-6-1 372 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-BC180050  Hesperochiron californicus E. H. Steffen 1917-6-20 49 Modoc Jess Valley. 1524 Comment
  CAS-BOT-BC179170  Hesperolinon micranthum Frances D. Payne 1932-7-11 692 Modoc Parker Creek. 1584 Comment
  RSA91388  Hesperolinon micranthum F. W. Peirson 1926-6-25 6858 Modoc Cedarville road about 10 miles east of Altura. Comment
  SEINET10460667  Heterocodon rariflorum Baker Baker s.n. Modoc Forestdale. Comment
  CAS-BOT-BC49506  Heterotheca villosa var. hispida Bruce Bartholomew 1991-7-6 5980 Modoc Lava beds at W side of Egg Lake. 1300 Comment
  CAS-BOT-BC225800  Heuchera cylindrica Bruce Bartholomew 1995-8-1 7161 Modoc Bidwell Mtn., E side of the Warner Mountains. 2150 Comment
  HSC20200  Heuchera cylindrica M. T. Milligan 1966-7-5 552 Modoc E of Jess Valley 1829 Comment
  SEINET195677  Heuchera cylindrica Annie M. Alexander, L Kellogg 1946-7-23 5042 Modoc Warner Mountains east slope of Emerson Peak Comment
  SEINET6033406  Heuchera cylindrica L. P. Janeway 2014-7-7 11451 Modoc Warner Mountains, north facing slope along Road 46N25 along Mill Creek, 1.0 km from Bidwell Creek; 5.2 air km northwest of Fort Bidwell. Mt. Bidwell 7.5' quad 1554 Comment
  SEINET201656  Heuchera cylindrica A. Cronquist, AH Holmgren 1959-6-19 8503 Modoc Warner Mts a little above Clear Lake above Mill Creek 15 miles E of Likely. In section 27 or 28 1981 Comment
  CAS-BOT-BC49513  Hieracium albiflorum Bruce Bartholomew; Barrett Anderson 1990-7-19 5419 Modoc Top of Hunters Ridge S of Rush Creek. 1960 Comment
  HSC5841  Hieracium horridum M. T. Milligan 1966-6-30 503 Modoc Slopes and ridges E of Jess Valley 1768 Comment
  UC194095  Hieracium nudicaule Milo S. Baker Jul 3 1893-Jan 1 1900 Modoc Comment
  CAS-BOT-BC49517  Hieracium scouleri John Thomas Howell 1934-6-11 11955 Modoc Parker Creek. 1584 Comment
  JEPS36591  Hieracium scouleri L. S. Smith 1917-7-18 836 Modoc Soldier Creek Modoc Forest, Warner Mts., Soldier Creek 1950 Comment
  SEINET191602  Holodiscus discolor var. glabrescens Marion Ownbey, Fred G. Meyer 1940-7-1 2155 Modoc Cedar Peak, Warner Mts. Comment
  SEINET195679  Holodiscus dumosus var. glabrescens Annie M. Alexander, Louise Kellogg 1946-7-23 5061 Modoc Emerson Peak, Warner Mountains Comment
  CAS-BOT-BC214691  Holodiscus microphyllus var. glabrescens Francis Marion Ownbey; Frederick Gustav Meyer 1940-7-1 2155 Modoc Cedar Peak, Warner Mts. Comment
  CAS-BOT-BC214694  Holodiscus microphyllus var. glabrescens Bruce Bartholomew 1995-7-31 7101 Modoc E side of the Warner Mts. near crest and just N of the headwaters of the S fork of Davis Creek. 2320 Comment
  CAS-BOT-BC214697  Holodiscus microphyllus var. glabrescens Francis Marion Ownbey; Frederick Gustav Meyer 1940-7-1 2155 Modoc Cedar Peak, Warner Mts. Comment
  HSC18678  Holodiscus microphyllus var. glabrescens M. T. Milligan 1966-7-5 558 Modoc Slopes and ridges E of Jess Valley 1646 Comment
  CAS-BOT-BC95207  Holosteum umbellatum subsp. umbellatum Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-12 6519 Modoc Ca. 1 km W of Aden on road to Lookout. 1280 Comment
  HSC80843  Hordeum brachyantherum G. M. Riegel 1979-8-13 660 Modoc South Warner Mtns. 2100 Comment
  UC748064  Horkelia fusca subsp. capitata Annie M. Alexander and Louise Kellogg 1946-8-9 5144 Modoc Patterson Lake Trail Warner Mtns Comment
  RSA249347  Horkelia tridentata D. H. Norris, S. Dowty, S. Nelson 1971-6-23 19508 Modoc along the South fork of the Pit River, about 6 miles east of Likely. Comment
  HSC68926  Hydrophyllum capitatum var. alpinum Gary Schoolcraft 1980-4-29 208 Modoc Harper Hill N of Adin 1402 Comment
  SEINET3156124  Hydrophyllum capitatum var. alpinum E. K. Balls 1950-5-11 14627 Modoc 8.1 miles NE of Fort Bidwell, above Cow Head Lake, along 8 mile Creek. 1463 Comment
  UC615123  Hydrophyllum capitatum var. alpinum Beryl O. Schreiber 1934-6-9 1157 Modoc Patterson Mill; Warner Mountains Comment
  HSC81091  Hypericum anagalloides G. M. Riegel 1980-8-7 10005 Modoc S Warner Mtns. 2100 Comment
  JEPS66827  Hypericum formosum var. scouleri Leland S. Smith 1924-6-29 1436 Modoc Happy Camp Ranger Station Modoc Forest, Happy Camp Ranger Station 1371 Comment
  UC719822  Hypericum formosum var. scouleri Rogers McVaugh 1941-8-5 6246 Modoc 8.5 mi. w. Cedarville; w. slope Warner Mts. Comment
  CAS-BOT-BC58444  Idahoa scapigera R. M. Austin 1894-4-1 Modoc Goose Lake Valley. Comment
  JEPS67377  Iliamna bakeri Milo S. Baker 1898-8-21 554 Modoc in lava between Hot Spring Valley and Hills Comment
  UC449782  Ipomopsis aggregata W. P. Taylor and H. C. Bryant 1910-7-13 Modoc hea of N. Fork Parker Creek Warner Mtns 2225 Comment
  CAS-BOT-BC190656  Ipomopsis aggregata subsp. aggregata John H. Hatton 1911-6-23 155 Modoc Modoc County. 1676 Comment
  CAS-BOT-BC497309  Ipomopsis aggregata subsp. aggregata B. Bartholomew 1990-8-5 5687 Modoc Summit Trail, ca. 3 km N of Patterson Ranger Station, W side of Warner Mts. 2600 Comment
  SJSU8827  Ipomopsis congesta subsp. montana H. L. Buckalew 1961-7-1 Modoc lower slopes Cedar Mt, Warner Mts 2194 Comment
  CAS-BOT-BC190636  Ipomopsis congesta subsp. palmifrons Robert Patterson; Mona Bourell 1993-8-15 5258 Modoc Warner Mountains. Along trail from Patterson Lake to ca. 2 mi north towards Pepperdine Trailhead. 2743 Comment
  SEINET13762148 Image available Isatis tinctoria J. A. Young 1969-8-15 s.n. Modoc Round Valley, Adin Comment
  RSA639343  Isoetes howellii L. C. Wheeler 1935-8-3 3757 Modoc Warner Mountains: Rock Lake, Pine Creek 1920 Comment
  SEINET6164860  Isoetes howellii M. Lavin, K. Warren 1979-9-2 s.n. Modoc South Warner Wilderness Area, along N edge of N Emerson Lake 2438 Comment
  UCD133357  Iva axillaris Herbert L. Mason 1947-7-10 13344 Modoc Dorris Reservoir, 2 miles east of Alturas. Comment
  RSA565014  Ivesia baileyi var. beneolens D. W. Taylor 1990-6-25 11164 Modoc Cedar Pass, northerly slopes of Peak 7298. 2149 Comment
  CAS-BOT-BC109877  Juncus Roxana Stinchfield Ferris; R. Duthie 1919-6-14 181 Modoc Parker Creek near Modoc National Forest boundary. Comment
  CHSC99252  Juncus ambiguus Lowell Ahart; John Dittes 2008-6-21 15002 Modoc On damp to dry bare soil, around a new man made shallow pond, mountain meadow, in Big Valley, about 3.3 miles (air) north-northeast of the Headquarters at Ash Creek State Wildlife Area, about 6.0 miles (air) northeast of Bieber. 1260 Comment
  JEPS114381  Juncus ambiguus Lowell Ahart, John Dittes 2008-6-21 15002 Modoc On damp to dry bare soil, around a new man made shallow pond, mountain meadow, in Big Valley, about 3.3 miles (air) north-northeast of the Headquarters at Ash Creek State Wildlife Area, about 6.0 miles (air) northeast of Bieber 1260 Comment
  UC2486  Juncus balticus Baker and Nutting 1894-7-5 Modoc Dixie Valley Comment
  RSA210804  Juncus balticus subsp. ater Robert F. Thorne, James Henrickson, C. W. Tilforth 1969-9-3 39019 Modoc Fresh water (tule) marsh at SE end of Tule Lake Sump .5 mile N of turnoff to Lava Beds National Monument. (2.2 miles E of NE entrance to monument). 1265 Comment
  CAS-BOT-BC245066  Juncus confusus Louis Cutter Wheeler 1935-9-23 4001 Modoc Pease Flat, Devil's Garden. 1524 Comment
  CAS-BOT-BC245068  Juncus confusus Barrett Anderson 1986-7-10 3187 Modoc West Warner Rd at Mud Springs Flat. 1965 Comment
  JEPS119967  Juncus ensifolius Lowell Ahart, John Dittes 2012-7-12 18369 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
  UC1601817  Juncus tenuis Baker and Nutting 1894-8-25 Modoc near Forestdale 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
  SEINET6173599  Juncus trilocularis L. C. Wheeler 1935-9-23 4001 Modoc Pease Flat, Devil's Garden 1524 Comment
  CAS-BOT-BC81201  Juniperus occidentalis Florence Angwin 1946-5-4 s.n. Modoc Adin Comment
  CAS-BOT-BC81202  Juniperus occidentalis Florence Angwin 1945-10-27 s.n. Modoc Adin 1371 Comment
  CAS-BOT-BC81204  Juniperus occidentalis Florence Angwin 1945-10-27 s.n. Modoc near Adin Comment
  SD139417  Juniperus occidentalis F. C. Vasek 1962-9-2 day 5 Modoc Cedarville Road, 5.8 miles east of U. S. 395, east of Alturas. 1615 Comment
  UC401375  Juniperus occidentalis Belknap C. Goldsmith 1911-5-21 Modoc county road near Goose Lake; Modoc National Forest Comment
  HSC19852  Kelloggia galioides M. T. Milligan 1965-6-30 388 Modoc Slopes and ridges E of Jess Valley 1738 Comment
  POM299547  Kelloggia galioides Marion Ownbey, Fred G. Meyer 1940-7-1 2149 Modoc Cedar Peak, Warner Mountains. Comment
  CDA3144  Kochia scoparia T. C. Fuller 1962-8-3 9488 Modoc Tulelake Basin; 1.6 miles north of Stronghold. 0 Comment
  CAS-BOT-BC247640  Koeleria macrantha Leland S. Smith 1920-7-13 1180 Modoc Crowder Flat. 1371 Comment
  CHSC99767  Koeleria macrantha Lowell Ahart; John Dittes 2008-6-21 15015 Modoc On the north side of the dirt road, in Big Valley, about 3.8 miles (air) north of the Headquarters at Ash Creek State Wildlife Area, about 6.5 miles (air) northeast of Bieber. 1264 Comment
  UCD85814  Koeleria macrantha August L. Hormay 1932-7-14 s.n. Modoc D.D. plot site. Comment
  UCD86012  Koeleria macrantha L. D. Whitney 1935-7-2 s.n. Modoc Badger Well. Comment
  UCD86089  Koeleria macrantha L. D. Whitney 1935-7-2 s.n. Modoc Badger Wells. Comment
  UC485313  Kyhosia bolanderi Franklin P. Nutting Modoc Forestdale Comment
  UC33036  Lactuca tatarica subsp. pulchella Milo S. Baker 1893-6 Modoc 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
  CHSC100459  Lagophylla ramosissima subsp. ramosissima Lowell Ahart; John Dittes 2008-8-25 15327 Modoc On the west side County Road 91, 3.9 miles (air) north-northeast of Lookout. 1275 Comment
  RSA795599  Lagophylla ramosissima subsp. ramosissima L. Ahart, John Dittes 2010-8-30 17065 Modoc About 15 yards west of the fence, south edge of the meadow, Ash Creek State Wildlife Area, 2300 feet north of Lassen County Line, about 3.6 air miles west of Adin, about 8.0 air miles northeast of Bieber, Big Valley. 1268 Comment
  CAS-BOT-BC179874  Lamium amplexicaule Leland S. Smith 1919-5-7 1093 Modoc Jess Valley-Clarke Ranch. 1676 Comment
  CAS-BOT-BC54067  Lappula redowskii C. C. (Mrs.) Bruce 1893-6-1 85 Modoc Davis Creek. Comment
  JEPS32733  Lappula redowskii Mrs. R. M. Austin and Bruce June 1898 2269 Modoc Goose Lake Valley Comment
  UC78791  Lappula redowskii Mrs. R. M. Austin May 1894 23 Modoc Sugar Loaf Hill Comment
  CHSC85155  Lasthenia glaberrima John Dittes; Josephine Guardino 1991-7-21 408 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-BC181980  Lathyrus brownii Bruce Bartholomew; Mona Bourell 1990-4-27 5168 Modoc NW side of Rice Flat, ca. 2 km S of Adin Pass. 1540 Comment
  JEPS55327  Lathyrus lanszwertii var. aridus Milo S. Baker 1898-1 Modoc Forestdale Comment
  RSA0011491  Lemna Robert F. Thorne, Larry E. DeBuhr 1975-8-22 46965 Modoc Ca. 3.4 miles north of Alturas at bridge over North Fork of Pit River 1341 Comment
  JEPS408  Lemna trisulca W. L. Jepson 1918-8-10 7929 Modoc Alturas 1371 Comment
  CHSC117261  Lepidium campestre Lowell Ahart; John Dittes 2016-7-14 21162 Modoc West side 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
  CAS-BOT-BC58345  Lepidium dictyotum var. dictyotum Bruce Bartholomew 1991-5-24 5692 Modoc Surprise Valley, 5.1 km E of Eagleville. 1370 Comment
  CHSC112364  Lepidium perfoliatum L. P. Janeway; B. Castro 2014-6-2 11290 Modoc Great Basin. Along County Road 5 1.0 km west of the southwest corner of Cow Head Lake. 1627 Comment
  UC73636  Leptodactylon pungens Milo S. Baker 1893-1 Modoc Egg Lake Comment
  RSA520471  Leptosiphon bolanderi Bruce Bartholomew, B. Anderson 1989-4-27 4625 Modoc Little Hot Spring Valley, 4 km NW of Day. 1070 Comment
  RSA59581  Leptosiphon ciliatus Verne Grant, Alva Grant 1950-7-14 8948 Modoc near base of Cedar Mt. ridge, Warner Mts. 1982 Comment
  SJSU9700  Leptosiphon harknessii W. Savage 1979-7-10 1533 Modoc Oregon Rim Unit, Devils Garden District, Modoc National Forest 1645 Comment
  UC10692  Lesquerella occidentalis subsp. occidentalis Mrs. C. C. Bruce June 1898 2136 Modoc Lake City Mt. Comment
  UC2043248  Leucanthemum vulgare Barbara Ertter 1995-7-1 14464 Modoc Highway 395 south of New Pine Creek on Oregon border, at junction of County Road 44. Comment
  SJSU13891  Leucocrinum montanum N. A. Hopkins 1985-5-13 1265 Modoc by Highway 395 c. 30 mi S of Alturas Comment
  POM260001  Leucophysalis nana C. Leo Hitchcock 1940-5-27 6700 Modoc 15 miles northeast of Alturas. 1616 Comment
  CAS-BOT-BC197460  Lewisia nevadensis Annie Montague Alexander; L. Kellogg 1946-6-15 4780 Modoc Deep Creek. 2194 Comment
  CAS-BOT-BC197498  Lewisia pygmaea Annie Montague Alexander; L. Kellogg 1946-7-29 5086 Modoc Head of Eagle Creek, Warner Mts. Comment
  UC748124  Lewisia pygmaea Annie M. Alexander and Louise Kellogg 1946-7-29 5086 Modoc flat below divide Warner Mountains, Eagle Creek (head of Eagle Creek) Comment
  CAS-BOT-BC197485  Lewisia rediviva Leland S. Smith 1917-6-5 25 Modoc So. Fork Pitt River Canyon. Sec. 26. 1676 Comment
  JEPS43175  Lewisia rediviva Frances D. Payne 1929-6-23 25 Modoc Parker Creek Warner Mountains, Parker Creek 1584 Comment
  NY497586  Lewisia rediviva K. Paulson 1988-5-22 4 Modoc Eagle Swamp Road, Devil's Garden 1402.1 Comment
  CHSC112873  Lewisia rediviva var. rediviva L. P. Janeway; B. Castro 2014-6-2 11284 Modoc Great Basin. Along County Road 5 1.0 km west of the southwest corner of Cow Head Lake. 1627 Comment
  POM203132  Leymus cinereus J. T. Howell 1934-6-30 12275 Modoc Duncan Horse Camp. Comment
  SEINET190941  Leymus cinereus A. A. Beetle 1941-6-29 2841 Modoc 15 miles east of Alturas on road to Cedarville Pass 1372 Comment
  POM201804  Leymus triticoides Frances D. Payne 782 Modoc Warner Mts. Comment
  UC1037166  Leymus triticoides Leo Whitney 1935-7-12 3500 Modoc Cottonwood Flat Comment
  UC1037175  Leymus triticoides Leo Whitney 1935-8-18 3537 Modoc Alturas Comment
  UC536901  Leymus triticoides Frances Payne 782 Modoc Warner Mts. Comment
  UCD64651  Leymus triticoides Beecher Crampton; Carl Rimbey 1954-7-8 2179 Modoc Warner Mountains, Jess Valley, 15 miles E of Likely. Comment
  UCD65618  Leymus triticoides L. Whitney 1935-8-7 3611 Modoc Modoc National Forest. Lake Joaquina, Hackamore, ca. 15 miles NW of Canby. 1463 Comment
  CAS-BOT-BC21458  Ligusticum grayi Bruce Bartholomew; Barrett Anderson 1990-7-20 5509 Modoc Tamarack Flat, E side of Warner Mts. 2150 Comment
  JEPS16567  Ligusticum grayi L. S. Smith 1918-7-11 985 Modoc Warner Mts., Mill Creek Meadow 2072 Comment
  CAS-BOT-BC436037  Ligusticum grayi John Thomas Howell 1934-6-14 12150 Modoc Warner Mts., near Los Lake 2438 Comment
  UC423124  Lilium Milo S. Baker 1898-8-16 561 Modoc Forestdale Comment
  CAS-BOT-BC242069  Lilium washingtonianum Leland S. Smith 1924-6-6 1375 Modoc Egg Lake region. Comment
  UC1101430  Limosella acaulis Verne Grant and Irving Schneider 1947-8-27 8323 Modoc se corner Clear Lake (Nigger Bend Spring); se corner of Clear Lake Comment
  JEPS127290  Limosella aquatica Lowell Ahart, John Dittes 2016-7-14 21198 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
  UCD124797  Limosella aquatica Herbert L. Mason; Verne Grant 1947-7-12 13418 Modoc Pit River Valley, south of Alturas. Comment
  UC23461  Linanthus ciliatus Milo S. Baker 1893-6-20 Modoc Comment
  CAS-BOT-BC198038  Linanthus harknessii Bruce Bartholomew 1991-7-7 6003 Modoc SE end of Sweargart Flat. 1820 Comment
  HSC80878  Linanthus pungens G. M. Riegel 1980-8-9 1030 Modoc S Warner Mtns. 1829 Comment
  CDA6355  Linaria genistifolia subsp. dalmatica T. C. Fuller 1963-8-27 11168 Modoc Sugar Hill Planting, Lassen Creek, ca. 6 miles southeast of Willow Ranch. 0 Comment
  CAS-BOT-BC179167  Linum lewisii Leland S. Smith 1917-7-24 123 Modoc Joseph Creek. 1828 Comment
  JEPS121192  Linum lewisii var. lewisii Lowell Ahart, John Dittes 2013-7-25 18948 Modoc 10 yards N of the E-W 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
  UC71855  Listera convallarioides Mrs. M. H. Manning 1903-9-3 375 Modoc John Henry Camp 1828 Comment
  UC1587055  Lithophragma glabrum G. Schoolcraft 1991-5-15 2137 Modoc w of highway about 6.5 mi n Lookout 1341 Comment
  HSC80735  Lithophragma parviflorum G. M. Riegel 1978-6-26 16 Modoc S Warner Mtns. 2100 Comment
  RSA59724  Lithophragma parviflorum E. K. Balls 1950-5-18 14750 Modoc N of Upper Rush Creek Public Camp; 2.5 mi. east from Hwy. 299 1738 Comment
  UC615434  Lithophragma tenellum Beryl O. Schreiber 1934-6-10 1173 Modoc Lost Lake; Warner Mountains, Lost Lake Comment
  UCR87506  Lithophragma tenellum George K. Helmkamp, E. A. Helmkamp 1993-5-4 s.n. Modoc 25.6 miles NW of Canby along Calif. Hwy 139 1280 Comment
  CAS-BOT-BC54030  Lithospermum ruderale K. Paulson; Robert Paulson 1991-5-25 219 Modoc W side of Goose Lake, vicinity of Log Landing. 1478 Comment
  RSA486799  Lithospermum ruderale Bruce Bartholomew, B. Anderson 1988-5-13 4143 Modoc Along Parker Creek Road, 2.7 km W of Modoc National Forest and ca. 16km WSW of Alturas, W side of the Warner Mountains. 1490 Comment
  RSA531361  Lithospermum ruderale Bruce Bartholomew, B. Anderson 1989-4-27 4636 Modoc Ryan Canyon, 6km NW of Adin on road to Dutch Flat. 1370 Comment
  SEINET13944331 Image available Lomatium bicolor Arnold Tiehm 1984-1 8838 Modoc Northwest side of Bidwell Mountain, 2.2 road miles north of 8 mile creek on the road from Lake Annie; 6050 ft T47N R16E SEC1. 1844 Comment
  CAS-BOT-BC21450  Lomatium bicolor var. leptocarpum Roxana Stinchfield Ferris; R. Duthie 1919-6-15 179 Modoc Parker Creek. Comment
  HSC26514  Lomatium bicolor var. leptocarpum J. P. Smith, J. O. Sawyer 1972-5-6 5247 Modoc County Rd. 86, just E of Adin. 1098 Comment
  HSC28527  Lomatium bicolor var. leptocarpum D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19397 Modoc Along Hager Basin Rd. near Big Sage Reservoir. Comment
  JEPS118263  Lomatium bicolor var. leptocarpum Lowell Ahart, John Dittes 2011-6-22 17548 Modoc About 50 yards east of the road, about 100 yards northeast 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
  RSA271897  Lomatium bicolor var. leptocarpum Christopher Davidson 1975-6-4 2598 Modoc 0.4 miles E of Hwy 395 on Hwy 299 toward Cedarville. 1380 Comment
  CDA38470  Lomatium dissectum T. C. Fuller 1963-6-11 10646 Modoc Little Meadow Campground, South Fork of the Pit River, 7.9 miles east of Likely. 0 Comment
  CAS-BOT-BC30133  Lomatium hendersonii Bruce Bartholomew 1991-5-25 5769 Modoc 4.3 km S of Likely-Jess Valley Rd. on road to West Valley Reservoir. 1540 Comment
  CAS-BOT-BC30137  Lomatium macrocarpum Elmer Ivan Applegate 1937-5-13 11087 pp Modoc Top of Gillam Bluff, Lava Beds National Monument. Comment
  CAS-BOT-BC30142  Lomatium macrocarpum E. S. Willits 1940-4-27 194 Modoc Davis Creek. Comment
  CAS-BOT-BC30144  Lomatium macrocarpum Harry Dwight Dillon Ripley; Rupert Charles Barneby 1944-5-31 5998 Modoc W of Alturas. 1325 Comment
  HSC69597  Lomatium macrocarpum Gary Schoolcraft 1980-4-29 217 Modoc Near intersection of Hwy. 299 and 395, N of Alturas 1494 Comment
  HSC42214  Lomatium nevadense S. Saufferer 1973-5-5 132 Modoc About 7 1/2 mi. S of Pine Creek along Hwy. 395 Comment
  JEPS89904  Lomatium nevadense var. nevadense Dean W. Taylor 1992-5-8 12569 Modoc ca. 0.5 mi. e. Moonlite Mines (Mt. Bidwell); Warner Mts., Mt. Bidwell 7 1/2 Quad. 1990 ed. 2432 Comment
  CAS-BOT-BC15759  Lomatium nevadense var. nevadense Roxana Stinchfield Ferris; R. Duthie 1919-6-14 98 Modoc E of Alturas, Warner Mts. 2133 Comment
  UC1167725  Lomatium nevadense var. nevadense Peter H. Raven and Otto T. Solbrig 1958-6-18 13311 Modoc Modoc Nat'l Forest, Cottonwood Flat Camp Ground Comment
  CAS-BOT-BC15772  Lomatium nudicaule Bruce Bartholomew 1991-5-25 5761 Modoc N side of the Pit River, ca. 1 km W of Ostrom Point. 1320 Comment
  CAS-BOT-BC15774  Lomatium piperi Bruce Bartholomew; Barrett Anderson 1988-5-13 4164 Modoc Granger Summit, ca. 10 km NW of Pepperdine at the top of the Warner Mts.. 1770 Comment
  JEPS89900  Lomatium triternatum Dean Wm. Taylor with Glenn L. Clifton 1992-5-7 12524 Modoc 0.5 mi. e. Duncan Reservoir (hillside on w. rim of Black Canyon, Modoc Plateau); Modoc Plateau, Washington Mt. 7 1/2 Quad., Black Canyon 1524 Comment
  SD264744  Lomatium triternatum var. macrocarpum Tracey Call, Viola Call 1964-6-23 2281 Modoc 1 miles south of Perez. 914 Comment
  CAS-BOT-BC21405  Lomatium triternatum var. triternatum John Thomas Howell 1934-6-12 11998 Modoc 6 mi. S of Davis Creek. Comment
  UC748407  Lomatium triternatum var. triternatum Annie M. Alexander and Louise Kellogg 1946-6-27 4842 Modoc top of ridge 2 mi. by rd. from Dismal Swamp (Highgrade, n. end Warner Mts.); n. end Warner Mts., Highgrade 2377 Comment
  CAS-BOT-BC21403  Lomatium vaginatum Isabelo T. Kelly 1930-1-1 62 Modoc Modoc County. Comment
  RSA152173  Lomatium vaginatum Lincoln Constance, Elwood Molseed, John Weiler 1960-6-13 3679 Modoc East side of Goose Lake, 9 miles north of Davis Creek 1372 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
  UC1187648  Lomatium vaginatum Lincoln Constance, Elwood Molseed, John Weiler 1960-6-13 3679 Modoc bank overlooking e. side of Goose Lake (9 mi. n. of Davis Creek) 1371 Comment
  CAS-BOT-BC95170  Lonicera interrupta Fred. P. Cronemiller 1920-7-1 20 Modoc Bieber Range. 1524 Comment
  JEPS123857  Lotus corniculatus Lowell Ahart, John Dittes 2015-7-16 20379 Modoc Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. Comment
  RSA210839  Lotus unifoliolatus Robert F. Thorne, James Henrickson, C. W. Tilforth, K. Thorne 1969-9-4 39066 Modoc Near old margin of Goose Lake, SW shore of Goose Lake N of McGinty Point. 1433 Comment
  RSA27896  Lotus unifoliolatus R. M. Austin 1895-06 298 Modoc Goose Lake Valley. Comment
  RSA503054  Lotus unifoliolatus Bruce Bartholomew, B. Anderson 1988-6-23 4223 Modoc 2.1 km SSE of Day on the road to State Highway 299. 1020 Comment
  CAS-BOT-BC498663  Lupinus Lyman Benson 1930-7-18 2235 Modoc SW of Alturas, Upper Pit River 1219 Comment
  CAS-BOT-BC181899  Lupinus arbustus Bruce Bartholomew 1992-8-9 6385 Modoc Creek below Patterson Lake on Squaw Peak Trail to Owl Creek Trail, E side of Warner Mountains. 2650 Comment
  SEINET194912  Lupinus arbustus A. A. Heller 1941-6-25 16205 Modoc West side of Cedar Pass. Comment
  NY732851  Lupinus arbustus subsp. calcaratus H. C. Cantelow 1940-5-31 s.n. Modoc [perhaps 8 or 8.?] miles east of Indian Springs Comment
  SEINET10484640  Lupinus arbustus subsp. calcaratus Jeffrey Huber 1971-6-3 Huber 87 Modoc 5 miles s of canby on cal hwy 299, lupinus heavily carpeting hillside of large Basaltic boulders, sparse juniper, artemisia, purshia, poa assoc. 1280 Comment
  POM298385  Lupinus arbustus subsp. silvicola H. C. Cantelow 1941-5-22 s.n. Modoc Between Susanville and Alturas, 1 mile north of Madeleine. 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-BC196342  Lupinus argenteus var. argenteus Mrs. A. H. Rodda 1932-7-1 s.n. Modoc Near Macarthur [McArthur] Comment
  CAS-BOT-BC182085  Lupinus argenteus var. heteranthus John Thomas Howell 1934-6-12 12010 Modoc Between Davis Creek and Plum Valley. Comment
  CAS-BOT-BC182096  Lupinus argenteus var. heteranthus R. M. Austin 1884-1-1 69 Modoc Alkaline planes, S of Goose Lake. Comment
  CAS-BOT-BC182098  Lupinus argenteus var. heteranthus C. P. Smith 1947-6-13 47460 Modoc Highway 395, Pine Creek (town), 0.8 mi. S. Comment
  JEPS119664  Lupinus argenteus var. heteranthus Lowell Ahart, John Dittes 2012-7-11 18338 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
  NY736941  Lupinus argenteus var. heteranthus B. M. Bartholomew 1990-6-17 5298 Modoc Along Emerson Creek, 3.9 km southwest of County Road 1, east side of Warner Mountains 1700 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
  CAS-BOT-BC181892  Lupinus brevicaulis Bruce Bartholomew 1993-6-13 6647 Modoc E side of Surprise Valley just W of VABM 4831 and ca. 2 km N of Leonard Hot Spring. 1460 Comment
  CAS-BOT-BC181893  Lupinus brevicaulis Margaret J. Williams; Arnold Tiehm; J. Nachlinger 1988-6-2 88- 28 -3 Modoc Jess Valley, E of Likely S of roadside rest. Comment
  SEINET5328128  Lupinus brevicaulis M. J. Williams, Arnold Tiehm, Jan Nachlinger 1988-6-2 88- 28 -3 Modoc Jess Valley, E of Likely, S of roadside rest Comment
  SEINET6654510  Lupinus brevicaulis Margaret J. Williams, Arnold Tiehm; Jan Nachlinger 1988-6-2 88- 28 -3 Modoc Jess Valley, E of Likely, So of roadside rest.; 0 Comment
  UC201975  Lupinus latifolius var. viridifolius Mrs. M. H. Manning Aug. 1914 Modoc on Cedarville and Alturas Road 8 mi below Summit Warner Mts.; , below Summit on Cedarville and Alturas Rd. Comment
  RSA0118762  Lupinus lepidus subsp. confertus Lowell A. Ahart, John Dittes 2013-7-25 18966 Modoc About 10 yards west of the north-south fence, south edge of Ash Creek Floodplain, northwest of Patterson Homestead, east of Elkins Lane, 1.0 mile (air) south of County Road 87, 3.14 miles (air) west of Adin, Big Valley. 1268 Comment
  CAS-BOT-BC181875  Lupinus lepidus var. lobbii Elmer Ivan Applegate 1932-8-1 8050 Modoc Near summit of Warren Peak, Warner Mts. 2895 Comment
  CHSC67110  Lupinus lepidus var. sellulus James D. Jokerst 1987-5-13 2868 Modoc Radar Survey Site S of Doublhead Mtn., S of Clear Lake Reservoir, S end of northern sector. 1359 Comment
  CAS-BOT-BC181855  Lupinus leucophyllus Bruce Bartholomew 1994-7-4 6846 Modoc Coffee Mill Gully. 1430 Comment
  NY747370  Lupinus leucophyllus var. leucophyllus K. Paulson 1988-6-19 43 Modoc Cottonwood Flat 1524 Comment
  NY747433  Lupinus microcarpus M. J. Williams 1988-5-28 88- 24 --1 Modoc Grade up to Crowder Flat from Hwy 229, west of Alturas. 1478 Comment
  NY747437  Lupinus microcarpus A. A. Heller 1941-6-26 16212 Modoc Along U.S. Highway #399, 8 miles west of Alturas Comment
  CAS-BOT-BC181835  Lupinus microcarpus var. microcarpus Bruce Bartholomew 1993-6-14 6664 Modoc 4 km E of County Road 114 on County Road 108, NW of Clear Lake Reservoir. 1400 Comment
  CAS-BOT-BC181846  Lupinus microcarpus var. microcarpus Edward Kent Balls 1950-5-18 14763 Modoc By Lower Rush Creek Public Camp. 1310 Comment
  CAS-BOT-BC181848  Lupinus microcarpus var. microcarpus Mrs. H. C. Cantelow 1940-5-31 Modoc 3 mi. E of Canby. Comment
  UC1736638  Lupinus microcarpus var. microcarpus Dean Wm. Taylor with Robert A. Price 1988-6-4 9758 Modoc Tule Lake Basin; Dobie Flat, 2.6 miles S10 E of Casuse Mountain, 1280 Comment
  UC15957  Lupinus microcarpus var. microcarpus Milo S. Baker 1893-7-28 Modoc Comment
  CAS-BOT-BC181826  Lupinus polyphyllus var. burkei Francis Dorris Payne 1931-6-17 180 Modoc Parker Creek, Warner Mts. Comment
  CAS-BOT-BC181828  Lupinus polyphyllus var. burkei Francis Dorris Payne 1931-6-25 258 Modoc Pine Creek Basin, Warner Mts. 2316 Comment
  NY747604  Lupinus polyphyllus var. saxosus B. M. Bartholomew 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 Warner Mountains 1580 Comment
  NY747609  Lupinus polyphyllus var. saxosus M. J. Williams 1988-5-30 88- 22 --1 Modoc Crowder Flat Road, northwest of Alturas 1524 Comment
  CAS-BOT-BC181807  Lupinus saxosus Bruce Bartholomew; Mona Bourell 1990-4-27 5181 Modoc Vicinity of Lower Cummings Reservoir, 5 km NW of Hwy 299 on Crowder Flat Rd. 1540 Comment
  HSC25990  Lupinus sellulus var. sellulus D. H. Norris, T. Nelson, S. Dowty 1971-6-23 19513 Modoc Big Valley Summit, 6 mi. W of Adin on Hwy. 299 Comment
  SDSU7292  Lycopus asper D. F. Howe 1966-7-26 4304 Modoc 1.3 miles north of Lassen-Modoc Co. line, east of Warner Mts., Modoc Co. 1341 Comment
  CAS-BOT-BC49431  Madia elegans Bruce Bartholomew 1994-7-4 6852 Modoc N side of the Pit River along County Road 84, 3.5 km W of State Hwy 299. 1340 Comment
  CAS-BOT-BC49445  Madia glomerata Louis Cutter Wheeler 1935-8-27 3923 Modoc 1 mi. E of South Mountain, Devil's Garden. 1524 Comment
  JEPS120510  Madia glomerata L. P. Janeway, B. Castro 2012-7-25 10983 Modoc Warner Mountains. Comment
  UC159286  Madia glomerata Mrs. M. H. Manning 741 Modoc Joseph Creek Joseph Creek (ne Modoc County) Comment
  UCD134271  Madia glomerata Herbert L. Mason 1947-8-9 13483 Modoc on east side of Fairchild Swamp, north of Alturas. Comment
  CAS-BOT-BC49425  Madia gracilis Bruce Bartholomew 1991-7-6 5957 Modoc 2 km above Lower Rush Creek Campground along Rush Creek. 1500 Comment
  UC748165  Madia gracilis Annie M. Alexander and Louise Kellogg 1946-7-12 4980 Modoc ne corner of county Twelve Mile Creek Comment
  RSA531342  Madia gracilis subsp. gracilis Bruce Bartholomew 1989-7-14 4938 Modoc Along Rush Creek between Lower and upper Rush Creek Campgrounds. 1520 Comment
  POM29868  Madia minima Mrs. R. M. Austin 1895-07 550 Modoc Goose Lake Valley. Comment
  RSA101499  Mahonia repens R. Weatherby 1955-7-7 1605 Modoc 8 mi. north of Ft. Bidwell, Warner Mts. 1951 Comment
  CAS-BOT-BC242040  Maianthemum racemosum M. M. Hanna 1956-6-5 976 Modoc Cedar Pass. Comment
  SEINET12049321  Maianthemum stellatum R. M. Austin 1895-1 s.n. Modoc no further locality Comment
  HSC15983  Malva neglecta M. T. Milligan 1965-7-11 446 Modoc N end of Jess Valley 1616 Comment
  HSC65534  Malva neglecta Thomas Wood 1979-8-8 209 Modoc 1 mi. S of Ft. Bidwell along Hwy. 1, corner house where road turns W 1372 Comment
  CAS-BOT-BC179098  Malva neglecta Mrs. H. C. Cantelow 1940-6-1 4012 Modoc E slope Cedar Pass. Comment
  JEPS68660  Malva neglecta W. L. Jepson 1918-8-6 7852 Modoc near Fort Bidwell (in Surprise Valley); Surprise Valley 1447 Comment
  UC18742  Malva neglecta M. S. Baker and Frank Nutting 1894-6-4 Modoc Little Hot Spring Valley Comment
  CAS-BOT-BC179871  Marrubium vulgare Bruce Bartholomew 1995-8-1 7129 Modoc 4.7 km N of turn off to Cedarville on U.S. Hwy 395. 1380 Comment
  CHSC100363  Medicago lupulina Lowell Ahart; John Dittes 2008-8-26 15347 Modoc On the bottom of Rose Creek, 250 feet southwest of confluence of Rose Creek and Pit River, on the northwest side of unnamed road, 3160 feet east of intersection with County Road 85a, 9.3 miles (air) north-northeast of Lookout. 1276 Comment
  CAS-BOT-BC181804  Medicago sativa Bruce Bartholomew 1995-8-1 7128 Modoc 4.7 km N of turn off to Cedarville on U.S. Hwy 395. 1380 Comment
  UCD66806  Melica spectabilis August L. Hormay 1932-7-17 Modoc Lily Lake. Comment
  POM299024  Melica stricta Marion Ownbey, Fred G. Meyer 1940-7-1 2152 Modoc Cedar Peak, Warner Mountains. Comment
  CAS-BOT-BC179860  Mentha arvensis Bruce Bartholomew 1990-8-3 5601 Modoc Ash Creek Wildlife Refuge, ca. 2.5 km S of County Road 87 and 7 km W of Adin. 1250 Comment
  UC1191906  Mentha canadensis Verne Grant and Irving Schneider 1947-7-18 8050 Modoc Eastside Canal 5 mi n Bayley's bridge (s of Alturas); , Eastside Canal Comment
  POM84014  Mentzelia albicaulis R. M. Austin s.n. Modoc Goose Lake Valley. Comment
  CAS-BOT-BC179150  Mentzelia dispersa Bruce Bartholomew; Barrett Anderson 1988-6-24 4360 Modoc Vicinity of Patterson Campground, southern end of the Warner Mts.. 2190 Comment
  UC1121668  Mentzelia montana M. H. Mitchell 1936-5-21 47 Modoc 2 mi SE Hospital Rock; Modoc Lava Beds Natl. Mon., Dorris Quadrangle 1249 Comment
  HSC46162  Menyanthes trifoliata J. P. Smith, J. O. Sawyer 1973-8-9 7278 Modoc Blue Lake, Modoc Natl. Forest 1829 Comment
  RSA252485  Menyanthes trifoliata Robert F. Thorne, C. W. Tilforth 1969-9-5 39166 Modoc Modoc National Forest, Warner Mountains, Clear Lake. 1768 Comment
  JEPS4087  Mertensia longiflora Frances D. Payne 1932-5-27 408 Modoc s and e of Alturas; Warner Mountains, Parker Creek 1584 Comment
  HSC28522  Mertensia oblongifolia D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-22 19323 Modoc Soup Springs Campground Comment
  CAS-BOT-BC54015  Mertensia oblongifolia var. nevadensis Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16431 A Modoc Near summit of Cedar Pass. 1943 Comment
  CAS-BOT-BC54017  Mertensia oblongifolia var. nevadensis Mrs. H. C. Cantelow 1940-6-1 s.n. Modoc Cedar Pass. Comment
  UC1237944  Mertensia oblongifolia var. nevadensis John Weiler and A. P. Nelson May 26-29 1961 61225 -757 Modoc On steeps slopes above highway at Cedar Pass, Warner Mountains. Comment
  CAS-BOT-BC58779  Mertensia oblongifolia var. oblongifolia C. L. Hitchcock 1940-5-27 6663 Modoc 12 mi. NE of Alturas. 1615 Comment
  CAS-BOT-BC225955  Micranthes nidifica Bruce Bartholomew 1990-6-15 5249 Modoc Manzanita Mountain in ca. 0.2 km S of turn off to Manzanita Lookout 2040 Comment
  CAS-BOT-BC429189  Micranthes oregana John Thomas Howell 1934-6-14 12141 Modoc Near Lost Lake, Warner Mts. 2438 Comment
  CAS-BOT-BC95555  Micromonolepis pusilla Bruce Bartholomew; Barrett Anderson 1989-6-2 4813 Modoc Sand dunes at the SE corder of Upper Alkali Lake, E side of Surprise Valley. 1400 Comment
  UC35778  Microseris laciniata subsp. laciniata M. S. Baker and Frank Nutting 1894-6-8 Modoc near Egg Lake Comment
  CAS-BOT-BC49356  Microseris nutans Annie Montague Alexander; L. Kellogg 1946-7-17 5003 Modoc Benton Meadow, Warner Mountains 2072 Comment
  CAS-BOT-BC49360  Microseris nutans Clare Butterworth Hardham 1961-6-18 7590 Modoc Cedar Pass. 1828 Comment
  CAS-BOT-BC49398  Microseris nutans Francis Dorris Payne 1932-6-22 573 Modoc Parker Creek. 1584 Comment
  JEPS5950  Microseris nutans Frances D. Payne 1931-6-29 289 Modoc e slope Warren Peak (head of Cottonwood Creek); Warner Mountains, , e slope of Warre 2286 Comment
  RSA504658  Microseris nutans Bruce Bartholomew, B. Anderson 1988-7-23 4580 Modoc Dismal Swamp, Warner Mountains. 2180 Comment
  RSA540076  Microseris nutans Bruce Bartholomew, B. Anderson 1989-6-2 4782 Modoc Top of Fandango pass, Warner Mountains 1870 Comment
  CAS-BOT-BC197902  Microsteris gracilis Bruce Bartholomew; Barrett Anderson 1989-4-29 4673 Modoc 6.4 km E of Fort Bidwell on road to Fee Reservoir, NE corner of Surprise Valley. 1460 Comment
  CAS-BOT-BC197903  Microsteris gracilis Bruce Bartholomew 1991-5-24 5721 Modoc NE end of Surprise Valley, 6.5 km E of Fort Bidwell on road to Fee Reservoir. 1500 Comment
  CAS-BOT-BC197909  Microsteris gracilis E. S. Willits 1940-5-17 267 Modoc Willow Ranch. Comment
  CAS-BOT-BC197915  Microsteris gracilis Belknap C. Goldsmith 1912-5-8 49 Modoc 8 mi. NW of Alturas. 1493 Comment
  HSC80883  Microsteris gracilis G. M. Riegel 1980-7-28 954 Modoc S Warner Mtns. 2100 Comment
  UCD118921  Microsteris gracilis R. N. Raynor; E. Berry 1940-4-12 s.n. Modoc Cemetery, Alturas. Comment
  RSA101505  Microsteris gracilis subsp. gracilis R. Weatherby 1955-7-8 1615 Modoc 7 miles north of Ft. Bidwell, northern Warner Mts. 1875 Comment
  UC748145  Mimulus arvensis Annie M. Alexander and Louise Kellogg 1946-6-18 4800 Modoc Patterson Mill-Silver Creek roads 1828 Comment
  UC71617  Mimulus breweri Mrs. M. H. Manning Modoc Mt. Bidwell Comment
  JEPS127156  Mimulus evanescens Lowell Ahart, John Dittes 2016-7-16 21249 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
  UCD122535  Mimulus evanescens S. E. Schoenig 1998-7-5 98- 70 Modoc SW shore of Moll Reservoir, 2 meters from waters edge. 1499 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
  UC1537634  Mimulus guttatus Gordon H. True Jr. 1939-7-21 1032 Modoc Jack Swamp Comment
  RSA503045  Mimulus lewisii K. Paulson, R. Paulson 1988-7-9 71 Modoc Near Poison Lake, Warner Mountains. 2104 Comment
  UCR131601  Mimulus lewisii L. C. Wheeler 1935-8-8 3807 Modoc Warner Mtns., Consolidated Mine, Pine Creek 2287 Comment
  HSC20816  Mimulus nanus var. nanus M. T. Milligan 1967-7-8 666 Modoc W slope of Eagle Peak 2378 Comment
  UC1063559  Mimulus nanus var. nanus R. C. Wilson 1933-6-11 44 Modoc Rush Creek Camp Modoc National Forest, Alturas Quadrangle Comment
  UC1562679  Mimulus nanus var. nanus Barbara Ertter 1988-6-18 7613 Modoc ca. 50 air mi sw Klamath Falls (Hwy 139, a few mi n of Agric. Inspection Station, 1 mi s of s jct to Lava Beds National Monument e of Tonesta) 1310 Comment
  UCR72552  Mimulus nanus var. nanus D. M. Thompson 1988-6-2 925 Modoc c. 6.8 mi NW of Canby. ).1 mi SE of turnoff for Howard's Gulch Campground along Hwy 139 1500 Comment
  JEPS15588  Mimulus nanus var. nanus Frances D. Payne 1931-6-29 760 Modoc ridge s Granger Pass (pass at head of Granger Creek); Warner Mountains 1981 Comment
  RSA152603  Mimulus nanus var. nanus I. L. Wiggins, Dorothy B. Wiggins 1961-6-12 16413 Modoc Near summit of Cedar Pass, between Alturas and Cedarville. 1936 Comment
  RSA59802  Mimulus nanus var. nanus N. N. Thompson 1950-5-17 14734 Modoc SW of Double Head, 7.5 mi. from Hwy 139. (S of Clear Lake Bird Refuge). 1463 Comment
  UCSB23723  Mimulus nanus var. nanus Hardham, Clare 1961-6-19 Modoc Cogswell Creek; Warner Mountains 1524 Comment
  UCD122879  Mimulus primuloides Verne Grant; Irving Schneider 1947-8-24 8255 Modoc Jess Valley, Warner Mountains. Comment
  UCD77260  Mimulus pygmaeus Robert E. Preston 2000-5-31 1353 Modoc Modoc Plateau, along Hwy 139, ca. 1 mi w of Forest Service Road 44N11. 1463 Comment
  UC1553374  Minuartia nuttallii subsp. gregaria Sch/Yor/Hor/Ach 1988-7-16 1835 Modoc along trail sw Squaw Peak; Warner Mtns. 2438 Comment
  SBBG19108  Minuartia nuttallii var. gregaria C. B. Hardham 1961-6-20 7886 Modoc Bidwell Rd to Dismal Crk 2438 Comment
  NY446178  Minuartia nuttallii var. gregaria L. C. Wheeler 1935-8-5 3786 Modoc Yellow Mountain, Warner Mountains 2438.4 Comment
  HSC80721  Mitella pentandra G. M. Riegel 1980-7-31 939 Modoc S Warner Mtns. 1670 Comment
  NY758253  Mitella pentandra B. M. Bartholomew 1990-7-20 5500 Modoc Tamarack Flat, east side of Warner Mountains 2150 Comment
  SEINET6167748  Mitella pentandra A. Sanger 1996-7-12 2415 Modoc Joseph Creek, 1 mile southwest of Bald Mountain, end of road 1999 Comment
  CAS-BOT-BC179365  Monardella odoratissima subsp. glauca Bruce Bartholomew; Barrett Anderson 1990-7-20 5471 Modoc 7.4 km N of Buck Creek Ranger Station, W W side of Warner Mts. 1940 Comment
  CAS-BOT-BC179851  Monardella odoratissima subsp. glauca Leland S. Smith 1917-7-11 98 Modoc Granger Mill Camp. 1981 Comment
  JEPS63422  Monardella odoratissima subsp. glauca Leland S. Smith 1918-8-18 1046 Modoc Ridge between Eagle Mt. and Bear Mt.; Warner Mts. 2438 Comment
  HSC93615  Monardella odoratissima subsp. odoratissima James D. Jokerst 1990-8-2 3208 Modoc Summit of E Sand Butte just E of Lava Beds National Monument 1424 Comment
  SEINET3996536 Image available Monardella odoratissima var. ovata Annie M. Alexander, Louise Kellogg 1946-7-23 5060 Modoc Warner Mountains; east slope of Emerson Peak Comment
  CAS-BOT-BC197477  Montia chamissoi Bruce Bartholomew; Barrett Anderson 1989-6-3 4861 Modoc Quaking Aspen Spring, between Goose Lake and Clear Lake Reservoir. 1500 Comment
  CAS-BOT-BC197510  Montia fontana Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16396 Modoc Thoms Creek, 6.1 mi. E of Calif. State Highway 299 along Cedar Pass Rd. Comment
  NY497765  Montia fontana B. M. Bartholomew 1989-6-2 4845 Modoc Vicinity of Stough Reservoir, Warner Mountains 1950 Comment
  SEINET3026081  Montia fontana C. L. Hitchcock 1940-5-27 6697 Modoc 12 miles northeast of Alturas. 1620 Comment
  UC71836  Montia fontana Mrs. M. H. Manning May, 1903 116 Modoc Spring near Fort Bidwell (in north-eastern Modoc County) Comment
  RSA152693  Montia fontana I. L. Wiggins 1961-6-12 16396 Modoc Margin of marshy area along Thomas Creek, 6.1 miles E of California Hwy 299, on road to Cedarville 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
  UC71834  Montia linearis Mrs. M. H. Manning 1903-5-1 99 Modoc near Fort Bidwell (in north-eastern Modoc County) Comment
  UC1024848  Muhlenbergia richardsonis Leo Whitney 1935-6-9 3201 Modoc near White Horse (meadow); White Horse lake (flat) Comment
  UCD86906  Muhlenbergia richardsonis Beecher Crampton 1960-6-17 5678 Modoc 2 miles north of Perez, Timber Mountain Fire Station. 1280 Comment
  HSC81156  Muilla transmontana G. M. Riegel 1980-7-1 802 Modoc S Warner Mtns. 2100 Comment
  SEINET3125072 Image available Munroa squarrosa Richard R. Halse 2006-8-3 6988 Modoc Along Jess Valley Road ca. 4 miles east of Likely, just past bridge over the Pit River. 1387 Comment
  UCD18894  Myosurus apetalus Vernal Pool Team 2001; Carol Witham and Jennifer Buck 2001-5-10 202 Modoc 5 mi. NE along Hwy 139 from its intersection with Hwy 299, south of hwy 139, Canby site, pool # CAN001. Comment
  JEPS120885  Najas flexilis Lowell Ahart, John Dittes, Todd Sloat 2013-6-8 18764 Modoc About 300 yards NE of 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
  CHSC67374  Navarretia James D. Jokerst 1986-8-12 2766 Modoc Radar Site Survey S of Doublehead Mtn., vernal pool adjacent to unnamed road ca. 0.5 mi S of its jct. With the E-W road to Doublehead Mtn. Comment
  CAS-BOT-BC198009  Navarretia breweri Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10564 Modoc E Creek about 1 mile E of Patterson Ranger Station, Warner Mts. Comment
  CAS-BOT-BC198015  Navarretia breweri Annie Montague Alexander; L. Kellogg 1946-7-7 4933 Modoc Eight Mile Creek, NE corner of county. 1752 Comment
  HSC80882  Navarretia breweri G. M. Riegel 1980-8-9 1018 Modoc S Warner Mtns. 2100 Comment
  SBBG30498  Navarretia breweri D. Myrick 1968-6-20 1978 Modoc Airport Rd, 7 mi N of Alturas 1524 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
  SD71336  Navarretia divaricata John Thomas Howell, Alice Eastwood 1940-6-15 8288 Modoc 9 miles north of Lookout Comment
  UC133779  Navarretia divaricata Mrs. R. M. Austin Aug 1894 308 Modoc Davis Creek Comment
  CAS-BOT-BC197997  Navarretia divaricata subsp. vividior Bruce Bartholomew; Barrett Anderson 1988-6-25 4396 Modoc Ryan Canyon, N of Adin. 1390 Comment
  CAS-BOT-BC198002  Navarretia divaricata subsp. vividior Alice Eastwood; John Thomas Howell 1940-6-13 8136 Modoc W side of Fandango Pass. Comment
  CAS-BOT-BC198003  Navarretia divaricata subsp. vividior Alice Eastwood; John Thomas Howell 1940-6-15 8288 Modoc 9 mi. N of Lookout. Comment
  CAS-BOT-BC197991  Navarretia intertexta subsp. intertexta Bruce Bartholomew; Barrett Anderson 1990-7-20 5460 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-BC197994  Navarretia intertexta subsp. intertexta Bruce Bartholomew 1990-8-3 5609 Modoc Ash Creek Wildlife Refuge, ca. 2.5 km S of County Road 87 and 7 km W of Adin. 1250 Comment
  CHSC116104  Navarretia intertexta subsp. intertexta Lowell Ahart; John Dittes 2015-7-16 20380 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
  CAS-BOT-BC197978  Navarretia intertexta subsp. propinqua Alice Eastwood; John Thomas Howell 1940-6-14 8231 Modoc 8 mi. NW of Canby. Comment
  CAS-BOT-BC197982  Navarretia intertexta subsp. propinqua Bruce Bartholomew 1991-7-5 5938 Modoc Dry wash draining into North Willow Creek, between Crowder Flat and the Oregon border. 1620 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
  UC23425  Navarretia leptalea subsp. leptalea Milo S. Baker 1893-6 Modoc Comment
  CAS-BOT-BC197958  Navarretia subuligera Alice Eastwood; John Thomas Howell 1940-6-15 8299 Modoc 5 mi. N of Lookout. Comment
  UC449919  Nemophila breviflora Mrs. M. H. Manning 1907-1 Modoc 12 Mile Creek 12 Mile Creek (ne Modoc Co.) Comment
  HSC81074  Nemophila parviflora G. M. Riegel 1979-7-2 471 Modoc S Warner Mtns. 1670 Comment
  CAS-BOT-BC179300  Nemophila parviflora var. austiniae Bruce Bartholomew 1994-7-2 6811 Modoc E of Bald Mtn. on E side of the Warner Mountains. 2230 Comment
  CAS-BOT-BC179290  Nemophila pedunculata Roxana Stinchfield Ferris; R. Duthie 1919-6-13 40 Modoc By Parker Creek. Comment
  UC336782  Neoholmgrenia andina unknown Modoc Honey Lake Valley Comment
  CAS-BOT-BC245372  Nicotiana attenuata Alice Eastwood; John Thomas Howell 1940-6-13 8170 Modoc Cedarville. Comment
  CHSC112842  Nicotiana attenuata Lowell Ahart; John Dittes 2013-7-25 18970 Modoc Elkins Lane Parking Area, west of the old barn, on the west side of Elkins Lane, Ash Creek State Wildlife Area, 320 feet north of Lassen County Line, about 4.4 miles (air) west of Adin, about 7.2 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  CAS-BOT-BC245373  Nicotiana attenuata Fred. P. Cronemiller 1919-11-3 12 Modoc Shore of Goose Lake. 1432 Comment
  JEPS5995  Nicotiana attenuata Frances D. Payne 1932-6-19 554 Modoc canyon on Jess Valley road; Warner Mountains Comment
  UC103909  Nicotiana attenuata Mrs. R. M. Austin Jul 1894 97 Modoc Chalk Grade Pit River (Pit River) Comment
  UC26154  Nicotiana attenuata Mrs. R. M. Austin Aug 1894 Modoc n of Alturas (Pit River); Pit River Comment
  CAS-BOT-BC49368  Nothocalais troximoides K. Paulson; Robert Paulson 1988-5-24 11 Modoc Parker Creek, Warner Mts.. 1524 Comment
  CAS-BOT-BC349919  Nothocalais troximoides Lillian Mott 1976-5-29 7 LM76 Modoc Devils Garden, north of Alturas 1402 Comment
  UC1546992  Nuphar lutea subsp. polysepala Leila M. Shultz, John S. Shultz 1985-6-23 8600 Modoc at crossing 14 mi n of Likely (south fork of the Pit River); Pit River 1371 Comment
  CAS-BOT-BC497315  Oenothera Fred P. Cronemiller, Jr. 1920-6-14 23 Modoc Bieber Range 1341 Comment
  JEPS43991  Oenothera cespitosa subsp. crinita Mary H. Manning 1920-5-30 Modoc Likely Comment
  RSA520343  Oenothera deltoides subsp. piperi Bruce Bartholomew, B. Anderson 1989-6-2 4836 Modoc 6.4 km E of Eagleville on the road to the California state border, E side of Surprise Valley. 1550 Comment
  UC20558  Oenothera flava subsp. flava Mrs. C. C. Bruce June 1898 Modoc streets Alturas Comment
  JEPS64298  Olsynium douglasii var. douglasii B. M. Payne 1930-4-19 344 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  CDA7565  Onopordum acanthium T. C. Fuller 1957-9-18 339 -57 Modoc Alturas. 0 Comment
  RSA128638  Onopordum acanthium T. C. Fuller 1959-7-8 2795 Modoc S/4th St., E/East St., Alturas Comment
  CDA7559  Onopordum acanthium T. C. Fuller 1958-7-9 900 -58 Modoc South of 4th Street, east of East Street, Alturas. 0 Comment
  UCD134668  Onopordum acanthium T. C. Fuller 1959-7-8 A Modoc south side of 4th street, east of East Street, Alturas. Comment
  CAS-BOT-BC50376  Onopordum acanthium subsp. acanthium Thomas C. Fuller 1958-7-9 900 -58 Modoc Alturas. Comment
  JEPS26037  Onopordum acanthium subsp. acanthium T. C. Fuller 1959-7-8 2795 Modoc Alturas; S/4th St., E/East St. Comment
  CAS-BOT-BC190790  Orobanche fasciculata Bruce Bartholomew 1994-5-15 6697 Modoc Poison Spring Canyon near junction with Schamp Creek. Ca. 8 km E of Fort Bidwell. 1480 Comment
  HSC80905  Orobanche fasciculata G. M. Riegel 1980-6-30 780 Modoc S Warner Mtns. 1829 Comment
  UC748044  Orobanche fasciculata Annie M. Alexander and Louise Kellogg 1946-8-1 5102 Modoc Eagle Peak, Warner Mountains. Comment
  RSA59720  Orobanche uniflora E. K. Balls 1950-5-18 14756 Modoc N of Upper Rush Creek Public Camp; 2.5 mi. east from Hwy. 299 1738 Comment
  UC27901  Orobanche uniflora subsp. occidentalis Mrs. R. M. Austin 1894-1 Modoc Comment
  SJSU9692  Orthocarpus bracteosus W. Savage 1979-7-21 1553 Modoc Oregon Rim Unit, Devils Garden District, Modoc National Forest 1584 Comment
  CAS-BOT-BC248325  Orthocarpus cuspidatus B. Bartholomew; H. Sun 2002-6-24 8822 Modoc S end of Sweagert flat ca. 15.3 straight line km WNW of Aden 1820 Comment
  SEINET13756763  Orthocarpus cuspidatus subsp. cryptanthus M. J. Williams 1962-7-8 s. n. Modoc Warner Mountains, Cedar Pass 2073 Comment
  UCSB22505  Orthocarpus luteus Hardham, Clare 1961-6-18 Modoc 3 miles southeast of Cedar Pass, Warner Mts. Comment
  JEPS15913  Osmorhiza berteroi L. S. Smith 1918-7-22 1003 Modoc Blue Lake near Ranch; S. Warner Mts., Modoc Forest, Blue Lake 1828 Comment
  NY1101674  Osmorhiza chilensis L. Constance 1946-7-4 3103 Modoc Deep Creek 3.4 miles below summit, Warner Mountains 1829 Comment
  CAS-BOT-BC15701  Osmorhiza occidentalis Francis Dorris Payne 1932-7-1 661 Modoc Pine Creek Basin. 2316 Comment
  JEPS15931  Osmorhiza occidentalis W. L. Jepson 1918-8-13 7960 Modoc Eagle Peak Warner Mts. 2286 Comment
  UC21056  Osmorhiza occidentalis Mrs. R. M. Austin and Bruce June, 1898 2263 Modoc Lake City Mt. Comment
  UC1567363  Oxyria digyna G. Schoolcraft 1989-7-16 1951 Modoc s Patterson Lake; Warner Mtns., s of Patterson Lake 2804 Comment
  CAS-BOT-BC50306  Packera cana Mrs. H. C. Cantelow 1940-6-2 Modoc 4 mi. W of Alturas on road to Lava Beds National Monument. Comment
  JEPS6007  Packera cana Frances D. Payne 1932-6-22 572 Modoc s and e of Alturas; Warner Mountains, Parker Creek 1584 Comment
  HSC31110  Packera eurycephala R. F. Thorne, C. W. Tilforth 1969-9-5 39150 Modoc Modoc National Forest, Warner Mtns.: near Mill Creek Falls 1753 Comment
  HSC6111  Packera eurycephala M. T. Milligan 1965-6-27 375 Modoc N end Jess Valley 1616 Comment
  CAS-BOT-BC316873  Packera eurycephala var. eurycephala R. M. Austin 1894-7-1 s.n. Modoc Goose Lake Valley Comment
  CAS-BOT-BC50276  Packera eurycephala var. eurycephala John Thomas Howell 1934-6-11 11915 Modoc Parker Creek. 1584 Comment
  CAS-BOT-BC50313  Packera eurycephala var. eurycephala Alice Eastwood; John Thomas Howell 1940-6-12 8050 Modoc Between Likely and Jess Valley. Comment
  CAS-BOT-BC50315  Packera eurycephala var. eurycephala Harry Dwight Dillon Ripley; Rupert Charles Barneby 1944-5-31 5991 Modoc NW of Alturas. 1371 Comment
  NY241769  Paeonia brownii B. M. Bartholomew 1989-4-29 4686 Modoc Surprise Valley Road, just S of the Oregon border, extreme NE corner of Modoc County. 1630 Comment
  POM99644  Paeonia brownii R. M. Austin, C. C. Bruce 1898-06 2227 Modoc Lake City Mt. Comment
  CAS-BOT-BC247558  Panicum capillare Louis Cutter Wheeler 1935-9-13 3984 Modoc Fletcher Creek. 1524 Comment
  JEPS114781  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-BC247556  Pascopyrum smithii James D. Jokerst 1983-7-27 1901 Modoc Near Signal Butte. 1340 Comment
  JEPS9615  Paxistima myrsinites L. S. Smith 1922-5-28 1246 Modoc below ridge Happy Camp Mt.; Modoc Forest, Happy Camp Mt. 1676 Comment
  CAS-BOT-BC232309  Pedicularis attollens Annie Montague Alexander; L. Kellogg 1946-6-20 4810 Modoc Below Eagleville. 1440 Comment
  CAS-BOT-BC232315  Pedicularis attollens K. Paulson; Robert Paulson 1989-7-4 168 Modoc Ca. 1 mi. S of Patterson Ranger Station, S end of Warner Mts. 2127 Comment
  UCR34819  Pedicularis attollens J. A. Harpel 1981-8-6 V- 22 Modoc Warner Mtns, South Warner Wilderness Area: E end of Patterson Lake, 7 mi NW of Eagleville 2744 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
  UC27300  Pedicularis attollens Milo S. Baker 1893-7-30 Modoc 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-BC232303  Pedicularis groenlandica subsp. surrecta Annie Montague Alexander; L. Kellogg 1946-6-28 4854 Modoc Pine Creek Canyon, Warner Mountains 2240 Comment
  CAS-BOT-BC245197  Pedicularis semibarbata Annie Montague Alexander; L. Kellogg 1946-8-8 5120 Modoc Near Deep Creek summit. Comment
  UC1093650  Pedicularis semibarbata Herbert L. Mason 1957-7-6 14722 Modoc divide between Davis Creek and Mill Creek; Warner Mountains, Benton Meadows Comment
  HSC80876  Pellaea breweri G. M. Riegel 1980-7-31 928 Modoc S Warner Mtns. 1829 Comment
  HSC72503  Penstemon davidsonii J. P. Smith, J. O. Sawyer 1973-8-8 7218 Modoc Near summit of Eagle Peak 2988 Comment
  CAS-BOT-BC232338  Penstemon davidsonii var. davidsonii Elmer Ivan Applegate 1932-7-9 7618 Modoc Mt. Bidwell. Comment
  RSA165591  Penstemon deustus subsp. heterander Clare B. Hardham 1961-6-19 7850 Modoc Davis Creek. Comment
  JEPS11228  Penstemon deustus var. pedicellatus Milo S. Baker 1893-7-24 25 Modoc near, sw Forestdale (Lava Beds); near Forestdale, sw, Lava Beds Comment
  NY591800  Penstemon deustus var. pedicellatus R. M. Austin 07 1898 2363 Modoc Ross Canyon Comment
  CAS-BOT-BC245540  Penstemon gracilentus Leland S. Smith 1918-6-22 951 Modoc Lily Lake. 2042 Comment
  NY600762  Penstemon gracilentus M. S. Baker 06 1893 s.n. Modoc Comment
  CAS-BOT-BC245520  Penstemon janishiae Harry Delbert Thiers 1966-5-13 16326 Modoc Between Alturas and Crowder Flat Ranger Station. 1524 Comment
  SEINET11053001  Penstemon laetus subsp. roezlii Margaret J. Williams, A. Tiehm; J. Nachlinger 1988-6-2 88- 28 -7 Modoc Jess Valley, E of Likely, S of roadside rest Comment
  SJSU7680  Penstemon laetus var. sagittatus H. L. Buckalew 1961-6-23 Modoc near Stowe Reservoir c. 1 mi N of Cedar Pass on Alturas-Cedarville Rd, Warner Mts 2072 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
  NY650112  Penstemon roezlii F. W. Pennell 1940-6-7 25278 Modoc Route 299, 4 miles northeast of Adin 1341.1 Comment
  SEINET195630  Penstemon roezlii Annie M. Alexander, L Kellogg 1946-6-12 4740 Modoc Fandango Pass rd 1707 Comment
  UC1540239  Penstemon roezlii Dean Wm. Taylor, Glenn L. Clifton 1987-6-27 9109 Modoc headwaters of upper South Deep Creek Warner Mountains, upper South Deep Creek 2194 Comment
  UC71744  Penstemon roezlii Mrs. M. H. Manning June 1903 176 Modoc Mt. Bidwell Mt. Bidwell (ne Modoc County) Comment
  UC748152  Penstemon roezlii Annie M. Alexander and Louise Kellogg 1946-6-12 4740 Modoc Fandango Pass road Fandango Pass road (w side) 1706 Comment
  NY650113  Penstemon roezlii F. W. Pennell 1940-6-7 25734 Modoc Upper valley of Rush Creek, northeast of Adin 1585.0 Comment
  NY650138  Penstemon roezlii A. A. Heller 1941-6-25 16200 Modoc On the elevated sagebrush plain west of the ascent to Cedar Pass Comment
  RSA152716  Penstemon roezlii I. L. Wiggins, Dorothy Wiggins 1961-6-12 16369 Modoc At junction of Cedar Pass road with California Highway 299, 5.5 miles N of Alturas. Comment
  UC690360  Penstemon roezlii Milo S. Baker 1936-7-14 8340 Modoc about 2 mi w Cedar Pass Camp (along old road to Alturas); Warner Mts., w of Cedar Pass Camp Comment
  UCD124163  Penstemon roezlii Jack Major 1966-6-24 s.n. Modoc Above Goose Lake, west side of Fandango Pass. 1645 Comment
  CAS-BOT-BC238448  Penstemon rydbergii var. oreocharis Mrs. H. C. Cantelow 1940-6-2 s.n. Modoc 10 1/2 miles n.w. of Canby Comment
  CAS-BOT-BC245485  Penstemon rydbergii var. oreocharis C. L. Hitchcock 1940-5-28 6726 Modoc 15 mi. N of Alturas (near Surprise). 1402 Comment
  CAS-BOT-BC245496  Penstemon rydbergii var. oreocharis K. Paulson; Robert Paulson 1990-7-2 210 Modoc Dismal Swamp, Warner Mts. Comment
  CAS-BOT-BC245498  Penstemon rydbergii var. oreocharis Alice Eastwood; John Thomas Howell 1940-6-12 8065 Modoc Between Likely and Jess Valley. Comment
  NY650945  Penstemon rydbergii var. oreocharis A. J. Cronquist 1959-6-19 8511 Modoc Near the shore of Clear Lake; Warner Mountains, 15 miles east of Likely. 1828.8 Comment
  NY651258  Penstemon rydbergii var. oreocharis J. T. Howell 1934-6-12 12022 Modoc Plum Valley, Warner Mountains Comment
  UC27421  Penstemon rydbergii var. oreocharis Mrs. R. M. Austin and Bruce July 1898 2358 Modoc Fields 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-BC245562  Penstemon speciosus Leland S. Smith 1924-5-31 1348 Modoc Egg Lake Ranch S and near timber. 1310 Comment
  JEPS11391  Penstemon speciosus Milo S. Baker 1893-7-8 Modoc near Forestdale, sw (Lava beds); , near Forestdale, sw Comment
  HSC24861  Penstemon speciosus R. W. Spjut 1970-7-20 500 Modoc SE corner of Goose Lake, 4 mi. W of Davis Creek 1372 Comment
  CAS-BOT-BC140470  Peraphyllum ramosissimum Lillian Mott 1976-5-29 15 LM76 Modoc Devil's Garden north of Alturas 1402 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
  CAS-BOT-BC498669  Peraphyllum ramosissimum K. Paulson; R. Paulson 1991-5-26 223 Modoc Along Hwy 395, ca 3 mi S of Alturas 1338 Comment
  SEINET12121694  Perideridia bolanderi M. J. Williams 1984-1 84- 86 -1 Modoc 3.1 mi N of Hwy 299 on Crowder Flat Road 1341 Comment
  SEINET11142395  Perideridia bolanderi subsp. bolanderi M. J. Williams 1983-7-29 83- 116 -10 Modoc 1.1 MI N. of Stowe Reservoir Campground, N of Cedar Pass, Warner Mtns. 2088 Comment
  CDA13452  Perideridia oregana G. F. Hrusa, T. D. Wilfred 1996-7-21 13299 Modoc Modoc Plateau; Adjacent to Modoc Co. Rd. 90 bridge over Pit River. E base of Splawn Mtn. N end of Big Valley. Comment
  POM82404  Perideridia oregana Mrs. R. M. Austin 1895-07 113 Modoc Goose Lake Valley. Comment
  RSA32026  Perideridia oregana A. A. Heller 1941-6-25 16208 Modoc On the plateau south of Big Sage Reservoir northwest of Alturas Comment
  UC1389996  Perideridia oregana T. I. Chuang and F. Gleason 1963-8-23 5926 Modoc about 5 mi w Alturas Comment
  UC726878  Perideridia oregana A. A. Heller 1941-6-25 16208 Modoc plateau s Big Sage Reservoir (nw of Alturas) 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
  HSC81070  Phacelia hastata G. M. Riegel 1980-8-28 1070 Modoc S Warner Mtns. 1739 Comment
  CAS-BOT-BC179266  Phacelia hastata subsp. hastata Lawrence Ray Heckard 1952-6-19 316 Modoc Ca. 7 mi. N of Alturas along Hwy 395. 1341 Comment
  CAS-BOT-BC179268  Phacelia hastata subsp. hastata Alice Eastwood; John Thomas Howell 1940-6-13 8174 Modoc Cedarville. Comment
  CAS-BOT-BC248338  Phacelia hastata subsp. hastata B. Bartholomew; H. Sun 2002-6-24 8812 Modoc Ridge top just S of Manzanita Mt. and 15.3 straight line km NW of Aden 2070 Comment
  CDA13457  Phacelia heterophylla subsp. virgata G. F. Hrusa, T. D. Wilfred 1996-7-21 13304 Modoc Modoc Plateau; adjacent to Modoc Co. Rd. 90 bridge over Pit River. E base of Splawn Mtn. N end of Big Valley. Comment
  HSC13666  Phacelia heterophylla subsp. virgata M. T. Milligan 1964-6-20 72 Modoc 1 mi. E of Hwy. 395 on Hwy. 299 1524 Comment
  POM203783  Phacelia heterophylla subsp. virgata J. T. Howell 1934-6-11 11911 Modoc Parker Creek, Warner Mts. 1585 Comment
  SJSU11215  Phacelia heterophylla subsp. virgata R. L. Fisher 1958-6-13 Modoc near Adin Pass on Canby-Adin Rd c. 6 mi S of Canby 1524 Comment
  CHSC31501  Phacelia humilis NEH Prouty 1980-7-1 195 Modoc Modoc Natl. Forest, Warner Mt. District. Opening south of Soup Spring's Campground in forest of Pinus ponderosa and Abies concolor. 2072 Comment
  UC660090  Phacelia humilis Dorothy E. Beetle 1941-7-29 65 Modoc road to Cedarville at the pass; above a stream 2118 Comment
  JEPS79140  Phacelia humilis L. R. Heckard with R. Bacigalupi 1980-6-11 5242 Modoc about 10 mi ne Alturas; Cedar Pass Campground (US Forest Service) 1889 Comment
  UC24374  Phacelia humilis L. A. M. Black 1894-7-1 Modoc Comment
  CAS-BOT-BC179967  Phacelia inundata John Thomas Howell 1934-7-2 12357 Modoc E side of Clear Lake. Comment
  CAS-BOT-BC179970  Phacelia inundata Bruce Bartholomew; M; M. Gilbert; L. E. Skog 1993-5-10 6452 Modoc At the Nevada border directly E of Eagleville, E side of Surprise Valley. 1520 Comment
  UC914300  Phacelia inundata Verne Grant 1947-8-27 8316 Modoc sw end Clear Lake Comment
  CAS-BOT-BC179950  Phacelia linearis John Thomas Howell 1934-6-13 12081 Modoc Fandango Pass. 1828 Comment
  UC526140  Phacelia linearis John Thomas Howell 1934-6-13 12081 Modoc Fandango Pass Warner Mts. 1828 Comment
  UC71861  Phacelia linearis Mrs. M. H. Manning June 1903 168 Modoc slopes near Fort Bidwell (ne Modoc Co.) Comment
  POM127616  Phacelia linearis M. French Gilman 648 Modoc [Unspecified] 1524 Comment
  RSA428038  Phacelia linearis Christopher Davidson 1975-6-4 2629 Modoc Canby Bridge across Pit River, ca. four miles south of Canby on Highway 299. 1341 Comment
  UC24394  Phacelia linearis Milo S. Baker 1893-7-5 Modoc Lava beds Comment
  HSC24868  Phacelia mutabilis Richard Spjut 1970-7-22 875 Modoc Just NW of Little Baldy Peak, 6 mi. W of Surprise Valley, N of Warner Mts. Comment
  UC748437  Phacelia ramosissima var. ramosissima Annie M. Alexander and Louise Kellogg 1946-6-10 4707 Modoc lava bench between Lower Lake and Snake Lake Comment
  JEPS1335  Phacelia sericea var. ciliosa L. S. Smith 1918-8-17 1038 Modoc Eagle Pk. Ridge Modoc <National> Forest, Warner Mts. (at Break) 2621 Comment
  JEPS4042  Phacelia sericea var. ciliosa Frances D. Payne 1932-7-21 721 Modoc ridge n Mt. Warren; Warner Mountains Comment
  NY1056750  Phacelia tetramera B. M. Bartholomew 1995-5-13 6903 Modoc East of Eagleville near Eagleville Airport, south end of Surprize Valley 1390 Comment
  OBI48669  Phacelia thermalis Lewis S. Rose 1940-6-12 40537 Modoc 10 mi S of Alturas 1341 Comment
  SEINET4889051  Phleum alpinum D. A. Charlet 1989-8-14 482 Modoc Warner Mountains, 1.4 km northwest of Eagle Peak, 2550 Comment
  CAS-BOT-BC247594  Phleum pratense Bruce Bartholomew; Barrett Anderson 1988-7-22 4510 Modoc SE side of Sunflower Knob, southern end of the Warner Mts.. 2160 Comment
  CAS-BOT-BC247597  Phleum pratense Bruce Bartholomew; Barrett Anderson 1988-7-22 4477 Modoc Vicinity of East Creak Trailhead, southern end of the Warner Mts. 2210 Comment
  HSC65546  Phleum pratense Thomas Wood 1979-8-8 203 Modoc 1 mi. S of Ft. Bidwell, along Hwy. 1, corner house where road turns W 1372 Comment
  CAS-BOT-BC197956  Phlox diffusa Bruce Bartholomew; Barrett Anderson 1989-4-28 4648 Modoc 8.8 km N of State Highway 299 on road to Raker & Thomas Reservoir. 1470 Comment
  UC449763  Phlox diffusa M. F. Gilman 659 Modoc 1676 Comment
  SEINET3145512  Phlox douglasii E. K. Balls 1950-5-10 15959 Modoc Hwy. 395, 5.5 mi NE of Alturas, 0.5 mi before junction 1524 Comment
  CAS-BOT-BC197936  Phlox douglasii subsp. rigida Bruce Bartholomew 1990-6-16 5264 Modoc W side of Pine Creek Basin, Warner Mountains. 2200 Comment
  JEPS48582  Phlox douglasii subsp. rigida L. S. Smith 1924-5-23 267 Modoc near Egg Lake Comment
  CAS-BOT-BC197866  Phlox stansburyi Bruce Bartholomew; M; M. Gilbert; L. E. Skog 1993-5-11 6487 Modoc Near SE corner of Big Sage Reservoir, 5.3 km E of Crowder Flat Road. 1580 Comment
  CAS-BOT-BC197868  Phlox stansburyi John H. Hatton 1911-6-10 26 Modoc Modoc County. 1524 Comment
  RSA60327  Phlox stansburyi E. K. Balls 1950-5-10 15958 Modoc Highway 395, 8.5 miles northeast of Alturas 1524 Comment
  CHSC42165  Phoenicaulis cheiranthoides C. E. Laver 1986-3-26 Modoc Ca. 11.5 mi ne of Alturas and 1 mi sw of Thoms Creek. 1524 Comment
  CHSC54181  Phoenicaulis cheiranthoides Vernon H. Oswald 1991-5-28 4633 Modoc North side of parking area on the southeast side of Pilot Butte, Ash Creek Wildlife Area, ca. 5.5 miles north-northeast of Bieber. 1264 Comment
  NY182049  Phoenicaulis cheiranthoides B. M. Bartholomew 1988-5-13 4152 Modoc Along Parker Creek Road, .5 km W of West Warner Road on Parker Creek Road, W side of the Warner Mountains. 1650 Comment
  RSA120962  Phoenicaulis cheiranthoides Milo S. Baker 1936-6-14 8349 Modoc Near summit of Cedar Pass. 1936 Comment
  RSA195450  Phoenicaulis cheiranthoides Elmer I. Applegate 1937-5-13 11088 Modoc Lava Beds National Monument. Gillam Bluff. Comment
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Apr 23 2013
  RSA520467  Phoenicaulis cheiranthoides K. Paulson, R. Paulson 1989-5-8 106 Modoc Howard s Gulch. Along Hwy 139. 1372 Comment
  RSA59358  Phoenicaulis cheiranthoides E. K. Balls 1950-5-10 14598 Modoc East of Middle Lake, near Cedarville. 1402 Comment
  SJSU5792  Phoenicaulis cheiranthoides H. L. Buckalew 1961-6-27 Modoc SW facing c. 1 mi N of Cedar Pass on Alturas-Cedarville Rd Comment
  UC10760  Phoenicaulis cheiranthoides Milo S. Baker 1893-6-13 Modoc near Pitt River Comment
  CAS-BOT-BC247591  Phragmites australis Bruce Bartholomew 1994-10-9 6886 Modoc Just N of Lassen County on road to Eagleville, S end of Surprise Valley. 1370 Comment
  CAS-BOT-BC30198  Pinus albicaulis Robert Patterson; Mona Bourell 1993-8-15 5244 Modoc Warner Mountains. Along trail from Patterson Lake to ca. 2 mi north towards Pepperdine Trailhead. 2743 Comment
  RSA176213  Pinus attenuata C. O. Stone 1963-12-26 275 Modoc On recent lava flow ca. 1 mile S of Gassaway Reservoir 1110 Comment
  CAS-BOT-BC30160  Pinus contorta subsp. murrayana Belknap C. Goldsmith 1911-6-14 30 Modoc North Fork Davis Creek, W slope Warner Mts. 1889 Comment
  UC71579  Pinus contorta subsp. murrayana Mrs. M. H. Manning 1902-10-26 31 Modoc Warner Mt. ne Modoc County, Warner Mt. 1828 Comment
  UCD162394  Pinus monticola Chuck Hughes 2015-9-12 439 Modoc Near the Larry Flat Campground, Modoc National Forest. 1864 Comment
  CDA602  Pinus washoensis T. C. Fuller 1971-7-14 19904 Modoc Warner Mountains; Patterson Guard Station, southern Warner Mtns. 0 Comment
  NY63476  Pinus washoensis B. M. Bartholomew 1990-8-5 5664 Modoc Summit Trail, ca. 2 km. north of Patterson Ranger Station, west side of Warner Mountains 2400 Comment
  SJSU9135  Piperia unalascensis H. L. Buckalew 1961-6-21 Modoc near Stough (""Stowe"") Reservoir c. 1 mi N of Cedar Pass on Alturas Cedarville Rd, Warner Mts 1981 Comment
  UC117020  Piperia unalascensis Mrs. R. M. Austin Aug 1894 129 Modoc Lassen Creek Comment
  SJSU9617  Plagiobothrys bracteatus W. Savage 1979-7-6 1425 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  UC1037244  Plagiobothrys cognatus Leo Whitney 1934-5-24 1629 Modoc 15 mi nw Canby (Hackamore, shore of Lake Joaquina); Modoc National Forest, Lake Joaquina, Hackamore 1463 Comment
  RSA0039536  Plagiobothrys cusickii Lowell A. Ahart, John Dittes 2012-7-11 18332 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
  UC1191843  Plagiobothrys cusickii Herbert L. Mason and Verne Grant 1947-7-12 13415 Modoc s of Alturas (near s end of w side road); Pit River Valley Comment
  SJSU9669  Plagiobothrys cusickii W. Savage 1979-7-9 1515 Modoc Round Valley, Triange, Devils Garden District, Modoc National Forest 1493 Comment
  JEPS119641  Plagiobothrys hispidulus Lowell Ahart, John Dittes 2012-7-10 18321 Modoc Ash Creek State Wildlife Area, about 3.4 miles (air) west of Adin, about 8.2 miles (air) northeast of Bieber, Big Valley. Comment
  SEINET10781225  Plagiobothrys hispidulus Lowell Ahart, John Dittes 2011-6-22 Ahart 17540 Modoc T39N, R8E, northeast 1/4 Section 30. Normal size plants, on dry bare soil, on the west side of the road, about 50 yards north of the Pilot Butte Parking Lot, north edge of Ash Creek Floodplain, 1.1 miles (air) south of County Road 87, 7.7 miles (air) west of Adin, 10 miles (air) east of Lookout, Big Valley. 1265 Comment
  CAS-BOT-BC58789  Plagiobothrys hispidus John Thomas Howell 1934-6-13 12067 Modoc Fandango Pass. 1828 Comment
  UC1191836  Plagiobothrys mollis Herbert L. Mason, Verne Grant 1947-7-10 13333 Modoc 2 mi e Alturas; Dorris Reservoir Comment
  RSA152443  Plagiobothrys salsus I. L. Wiggins, Dorothy Wiggins 1961-6-12 16446 Modoc Lane on Phipp s Ranch, about 14 miles N of Cedarville, Suprise Valley. Comment
  SEINET3084127 Image available Plagiobothrys salsus Arnold Tiehm, Jan Nachlinger, Gary Schoolcraft 1984-6-24 8797 Modoc Surprise Valley, east side of Middle Alkali Lake, east of Cedarville. Comment
  RSA0020681  Plagiobothrys salsus R. B. Kelley 2005-6-26 883 Modoc Along SR 299. No specific locality data provided. Comment
  CAS-BOT-BC58752  Plagiobothrys scouleri Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-13 16447 Modoc Lane on Phipp's Ranch, ca. 14 mi. N of Cedarville, Surprise Valley. Comment
  CAS-BOT-BC58754  Plagiobothrys scouleri Beecher Crampton 1960-6-17 5697 Modoc McKay Flat, ca. 13 mi. W of Canby. 1280 Comment
  POM312572  Plagiobothrys scouleri var. cusickii H. L. Mason, Verne Grant 1947-7-12 13421 Modoc Near south end of West Side Rd. along railroad tracks, Pit River Valley, south of Alturas Comment
  POM368975  Plagiobothrys scouleri var. hispidulus Christopher Davidson 1973-5-26 2152 Modoc Ca. 1 mi. N of Adin Summit on St Hwy 299. 1524 Comment
  RSA325725  Plagiobothrys stipitatus var. micranthus A. Tiehm, Gary Schoolcraft, Jan Nachlinger 1984-6-24 8798 Modoc Surprise Valley, east side of Middle Alkali Lake, east of Cedarville. 1357 Comment
  UC450164  Plagiobothrys tener var. tener Franklin P. Nutting Modoc Taylor Creek , Taylor Creek (Forestdale) Comment
  CHSC117146  Plantago major Lowell Ahart; John Dittes 2016-7-14 21184 Modoc Around the strand of a new pond, south of Ash Creek Canal (now filled in), south of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile d(air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. 1273 Comment
  UC1192026  Plantago major Verne Grant and Irving Schneider 1947-7-21 8114 Modoc 0.25 mi upstream South Fork of Pit River confluence with North Fork (South Fork of Pit River, by Alturas); South Fork of Pit River Comment
  UC429096  Platanthera Mrs. Austin Jul 1894 127 Modoc Lassen Creek Comment
  CAS-BOT-BC242216  Platanthera dilatata var. leucostachys Bruce Bartholomew 1990-6-17 5326 Modoc Field redacted by CAS, contact the data manager for more information 1420 Comment
  CAS-BOT-BC242218  Platanthera dilatata var. leucostachys Bruce Bartholomew; Barrett Anderson 1988-6-24 4356 Modoc Field redacted by CAS, contact the data manager for more information 1960 Comment
  RSA504847  Platanthera leucostachys Bruce Bartholomew, B. Anderson 1988-7-21 4445 Modoc Above Upper Rush Creek Campground ca. 4 km. E of State Highway 299 between Adin and Canby. 1580 Comment
  CAS-BOT-BC245395  Plectritis macrocera Bruce Bartholomew; Barrett Anderson 1988-5-13 4168 Modoc Ca. 1 km SE of Parker Creek Road on West Warner Road, W side of the Warner Mts.. 1710 Comment
  UC71838  Plectritis macrocera Mrs. M. H. Manning 1903-4-30 92 Modoc near Fort Bidwell (in north-eastern Modoc County) Comment
  UC912461  Plectritis macrocera F. H. Frost 1925-5-24 3 Modoc Steamboat Canyon Comment
  UCR87264  Plectritis macrocera George K. Helmkamp, E. A. Helmkamp 1993-5-4 s.n. Modoc 35.6 miles NW of Canby along Calif. Hwy 139 1280 Comment
  SEINET195478  Pleiacanthus spinosus Annie M. Alexander, Louise Kellogg 1946-7-5 5910 Modoc Lava Cliff west Lower Lake Comment
  RSA129101  Poa Leo D. Whitney 1935-5-23 3117 Modoc Hackamore, ca. 15 miles northwest of Canby, Modoc National Forest 1463 Comment
  UC710915  Poa C. L. Hitchcock 1940-5-27 6732 Modoc 12 mi ne Alturas 1615 Comment
  UC1037186  Poa X fibrata Leo Whitney 1935-7-23 3570 Modoc 15 mi w Canby (Happy Camp, <USEE> Plot); Modoc Nat'l Forest 1463 Comment
  CAS-BOT-BC247576  Poa X limosa Dean William Taylor; R. Palmer; William B. Davilla 1987-6-23 9047 Modoc Crank Springs. 1432 Comment
  CAS-BOT-BC247583  Poa bulbosa Bruce Bartholomew; Barrett Anderson 1988-5-12 4109 Modoc S side of Egg Lake. 1300 Comment
  HSC38840  Poa palustris J. P. Smith, J. O. Sawyer 1973-8-9 7277 Modoc Blue Lake, Modoc National Forest 1829 Comment
Read comments
Jul 11 2013
  UCD91791  Poa palustris Alan A. Beetle 1944-8-17 3038 Modoc 1 mile south of Alturas, edge of town west of R.R. track. Comment
  UCD38343  Poa pratensis Beecher Crampton 1954-7-7 2145 Modoc Warner mountains, east side of Cedar Pass, 3 miles west of Cedarville. Comment
  CAS-BOT-BC247620  Poa pratensis subsp. pratensis Robert Patterson; Mona Bourell 1993-8-15 5274 Modoc Warner Mountains. Along trail from Patterson Lake to ca. 2 mi north towards Pepperdine Trailhead. 2743 Comment
  UC1925917  Poa pratensis subsp. pratensis Annie Alexander and Louise Kellogg 1946-6-18 4793 Modoc Same loc. as on June 14 Comment
  POM313146  Poa secunda Malcolm A. Nobs, S. Galen Smith, H. L. Mason 1949-5-29 765 Modoc 2 miles east of Adin Comment
  RSA484223  Poa secunda Christopher Davidson 1975-6-4 2603 Modoc 0.4 mile E of Highway 395 on Highway 299 toward Cedarville. 1380 Comment
  SEINET191662 Image available Poa secunda C. L. Hitchcock 1940-5-27 6732 Modoc 12 miles northeast of Alturas. 1615 Comment
  UCR64615  Poa secunda A. A. Beetle 1941-6-29 2827 Modoc Near summit of Cedarville Pass 2119 Comment
  UC1037101  Poa secunda subsp. juncifolia Leo Whitney 1935-5-21 3095 Modoc ca 15 mi nw Canby (Hackamore, Spaulding's Butte); Modoc Nat'l Forest 1463 Comment
  UC1925882  Poa secunda subsp. juncifolia Annie M. Alexander and Louise Kellogg 1946-6-18 4791 a Modoc Junction of Silver Creek Road and Patterson Mill Road 1828 Comment
  CAS-BOT-BC247663  Poa secunda subsp. secunda Leland S. Smith 1917-7-2 56 Modoc Head of Shield Creek. 2331 Comment
  SJSU9552  Poa secunda subsp. secunda W. Savage 1979-7-3 1291 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  UC1024880  Poa secunda subsp. secunda Leo Whitney 1935-5-29 3143 Modoc ca 18 mi wnw Canby (Hole-in-the-rock) Comment
  UC1024928  Poa secunda subsp. secunda Leo Whitney 1935-6-29 3350 Modoc ca 15 mi nw Canby (Lake Joaquina, Hackamore); Modoc Nat'l Forest 1463 Comment
  UC1025025  Poa secunda subsp. secunda Leo Whitney 1935-7-21 3526 Modoc Pit River Comment
  UC790977  Poa secunda subsp. secunda A. A. Beetle 1941-6-29 2827 Modoc near summit Cedarville Pass 2118 Comment
  UCD92107  Poa secunda subsp. secunda L. Whitney 1935-7-21 3586 a Modoc Modoc National Forest. Happy Camp, 15 miles W of Canby. 1463 Comment
  UCD92102  Poa trivialis J. C. Hays 1937-7-1 s.n. Modoc Modoc County. Comment
  CHSC67515  Pogogyne floribunda J. D. Jokerst 1987-6-23 2932 Modoc Modoc National Forest, Devils Garden Ranger District (south of Clear Lake). W of Dirt Road about 1.3 miles SE of Doublehead Lake and 2/3 mile NW of Lone Pine Lake. Comment
  UC1191807  Pogogyne floribunda Verne Grant, Irving Schneider 1947-8-27 8329 Modoc Embayment at south end of Clear Lake Comment
  UC1597730 Image available Pogogyne floribunda J. D. Jokerst 1990-7-31 3205 Modoc about 1.5 mi se Doublehead Mountain (n and adjacent to dirt road and 0.25 mi w of a n-s oriented fenceline through the center of section 13, s of Clear Lake); Modoc National Forest, Devils Garden Ranger District 1371 Comment
  CAS-BOT-BC248382  Pogogyne serpylloides Louis C. Wheeler 1935-8-25 3915 Modoc Modoc National Forest. Rim Rock Valley, Devil's Garden 1524 Comment
  CAS-BOT-BC263237  Polemonium micranthum R. Stubbs 2010-5-8 005 Modoc Modoc National Forest Rush Creek off of CA-299 1502 Comment
  RSA11867  Polemonium pulcherrimum Elmer I. Applegate 1932-8-3 8118 Modoc Arid crest of Warner Mountains, north of Eagle Peak Comment
  CAS-BOT-BC231285  Polemonium pulcherrimum Alexander; Kellogg No date on label 5106 Modoc Eagle Rock Comment
  CAS-BOT-BC58325  Polyctenium fremontii var. fremontii Leland S. Smith 1920-5-30 20 Modoc West Valley camp. 1524 Comment
  NY404673  Polygonum austiniae R. M. Austin 1886-1 s.n. Modoc Comment
  CAS-BOT-BC218107  Polygonum aviculare Herbert Louis Mason; Verne Grant 1947-7-18 8043 Modoc Eastside Canal, 5 mi N of Bayley's bridge, S of Alturas. 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
  UC402681  Polygonum aviculare subsp. buxiforme W. P. Taylor and H. C. Bryant 1910-7-13 Modoc N. Fork Parker Cr. Warner Mountains (head) 2225 Comment
  CAS-BOT-BC218128  Polygonum douglasii Bruce Bartholomew; Barrett Anderson 1989-6-2 4780 Modoc Top of Fandango pass, Warner Mountains. 1870 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
  NY412834  Polygonum douglasii L. C. Wheeler 1935-8-6 3801 Modoc 1/2 mile south of Pine Creek (town) 1493.5 Comment
  POM104510  Polygonum douglasii subsp. austiniae R. M. Austin 1895-07 734 Modoc Goose Lake Valley. Comment
  UC1179039  Polygonum douglasii subsp. douglasii F. H. Frost 1925-7-24 106 Modoc Jess Valley Warner Mts. Comment
  UC466034  Polygonum douglasii subsp. douglasii Mrs. R. M. Austin July 1890 431 Modoc Goose Lake Valley Comment
  UC6695  Polygonum douglasii subsp. douglasii Milo S. Baker 1893-6-20 Modoc Egg Lake Comment
  CHSC67585  Polygonum polygaloides subsp. confertiflorum James D. Jokerst 1990-8-2 3210 Modoc Hwy. 139 NW of Canby, ca. 300 m N of the road at the edge of a large dry lake, within the dry-down zone adjacent to a concrete overflow structure. Comment
  CAS-BOT-BC218181  Polygonum polygaloides subsp. esotericum Alice Eastwood; John Thomas Howell 1940-6-14 8209 Modoc 8 mi. NW of Canby. Comment
  CHSC81399  Polygonum polygaloides subsp. esotericum R. E. Preston 2000-7-18 1417 Modoc Ca. 11 mi nw of Canby, 1,000 ft n of Hwy 139. 1487 Comment
  RSA601431  Polygonum polygaloides subsp. esotericum Louis C. Wheeler 1935-8-25 3919 Modoc Devil's Garden: Rimrock Valley Reservoir. 1524 Comment
  UCD77935  Polygonum polygaloides subsp. esotericum Robert E. Preston 2000-7-18 1414 Modoc Ca. 15 mi nw of Canby, along Hwy 139, 0.1 mi e of Forest Service Rd 43N03. 1447 Comment
  CAS-BOT-BC218184  Polygonum polygaloides subsp. kelloggii Alice Eastwood; John Thomas Howell 1940-6-14 8228 B Modoc 8 mi. NW of Canby. Comment
  CAS-BOT-BC218187  Polygonum polygaloides subsp. kelloggii Mrs. H. C. Cantelow 1940-6-2 4180 Modoc About 10 mi. NW of Canby, road to lava beds. Comment
  CDA15890  Polygonum punctatum J. DiTomaso 2000-7-25 s.n. Modoc Modoc Plateau; Along Eastside Canal, 1/4 mi. W of US Hwy 395 off Jones Lane, and 1/2 mi. S of southern tip of Modoc National Wildlife Refuge. 1371 Comment
  JEPS127305  Polygonum ramosissimum subsp. prolificum Lowell Ahart, John Dittes 2016-7-14 21191 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
  UC711901  Polygonum sawatchense subsp. oblivium Roxana S. Ferris and Laura Lorraine 1941-8-13 10536 Modoc Patterson Ranger Station (East Creek drainage) Warner Mountains, Modoc National Forest 2164 Comment
  CAS-BOT-BC218148  Polygonum spergulariiforme Louis Cutter Wheeler 1935-8-26 3922 Modoc Mud Lake, Devil's Garden. 1524 Comment
  UC70666  Polypogon monspeliensis Mrs. M. H. Manning June 1903 402 Modoc north-eastern Modoc County Comment
  CAS-BOT-BC225104  Populus tremuloides Elmer Ivan Applegate 1932-7-31 7951 Modoc Mill Creek Meadow, Warner Mts. Comment
  UC71755  Populus tremuloides Mrs. M. H. Manning 1903-4 72 Modoc near Fort Bidwell (ne Modoc County); near Fort Bidwell Comment
  CAS-BOT-BC225107  Populus trichocarpa Roxana Stinchfield Ferris; R. Duthie 1919-6-14 140 Modoc Parker Creek below Nat. Forest Boundary. Comment
  UCD169695  Porterella carnosula Louis C. Wheeler 1935-8-22 3908 Modoc Devil's Garden: South Mt. Reservoir. 1524 Comment
  JEPS21585  Porterella carnosula Calvin McMillan 1949-6-16 1534 Modoc in marsh 3 mi s Crowder Flat (about 7 mi s of the Oregon border, n central Modoc Co.); s of Crowder Flat Comment
  UC1100081  Potamogeton filiformis var. alpinus Verne Grant, Irving Schneider 1947-7-20 8095 Modoc n of Likely (s loop of westside road by irrigation ditch); Pit Valley Comment
  CAS-BOT-BC242246  Potamogeton foliosus Milo Samuel Baker 1899-8-24 s.n. Modoc Carmichaels Mill, Big Valley. Comment
  POM229195  Potamogeton foliosus L. C. Wheeler 1935-9-1 3933 Modoc Pine Spring, Devil s Garden. 1524 Comment
  CHSC110896  Potamogeton foliosus subsp. foliosus Lowell Ahart 2012-7-12 18359 Modoc North edge of Ash Creek, south of the gravel pit, about 1/8 mile east of the parking area on the east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northest of Bieber, Big Valley. 1266 Comment
  CHSC117500  Potamogeton foliosus subsp. foliosus Lowell Ahart; John Dittes 2016-7-14 21211 Modoc In Ash Creek Canal (now filled in), south of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) west of Adin, Big Valley. 1273 Comment
  UC1600949  Potamogeton foliosus var. foliosus Gordon H. True Jr. 1939-7-21 1008 Modoc Jack Swamp near Alturas; Jack Swamp Comment
  CAS-BOT-BC242235  Potamogeton natans Louis Cutter Wheeler 1935-9-11 3973 Modoc Fletcher Creek, Devia's Garden. 1524 Comment
  SEINET5335351  Potamogeton natans M. S. Baker 1899-8-18 s.n. Modoc Little Hot Springs Valley Comment
  UC1751036  Potamogeton nodosus Annetta M. Carter 1946-8-18 1773 Modoc Canby Creek W of Canby. Comment
  SEINET5335355  Potamogeton nodosus M. S. Baker 1899-8-24 s.n. Modoc In Pit River at Lookout Comment
  UC1100033  Potamogeton pusillus var. pusillus Herbert L. Mason, Verne Grant 1947-7-11 13382 Modoc 1 mi e of Likely (on road from Likely to Jess Valley) Comment
  CAS-BOT-BC242226  Potamogeton richardsonii Verne Grant; I. Schneider 1947-7-18 8053 Modoc 1.4 mi. N of Bayle's bridge, S of Alturas. 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
  UC1100096  Potamogeton richardsonii Verne Grant, Irving Schneider 1947-8-29 8350 Modoc 4 mi sw of Canby (Pit River 1 mi w (downstream) of Bridge 305, Highway 299); Pit River, Highway 299 Comment
  CHSC114020  Potentilla biennis B. Castro; L. P. Janeway 2014-6-3 2005 Modoc Great Basin. Within the generally bare drawdown zone of Fee Reservoir. 1590 Comment
  CHSC116072  Potentilla biennis Lowell Ahart; John Dittes 2015-7-16 20373 -A Modoc South edge of Ash Creek (destroyed), southeast of the gravel pit (destroyed), about 1/8 mile east of the parking area on the east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  UC1594784  Potentilla breweri David Charlet 1988-8-13 192 Modoc 10 mi e Patterson Lake (South Warner Mountains); , e of Patterson Lake 2755 Comment
  UC748060  Potentilla drummondii subsp. bruceae Annie M. Alexander and Louise Kellogg 1946-6-30 4872 Modoc Highgrade, w side of ridge n end of Warner Mountains 2377 Comment
  CAS-BOT-BC214790  Potentilla gracilis Milo Samuel Baker; Franklin P. Nutting 1894-1-1 s.n. Modoc Near Egg Lake. Comment
  NY832655  Potentilla gracilis B. M. Bartholomew 1991-8-5 6044 Modoc Squaw Peak Trail on north side of Squaw Peak, east side of Warner Mountains 2450 Comment
  NY832911  Potentilla gracilis var. fastigiata B. M. Bartholomew 1988-7-21 4473 Modoc Vicinity of Patterson Campground, southern end of the Warner Mountains. Sierran montane forest 2190 Comment
  HSC18737  Potentilla gracilis var. flabelliformis M. T. Milligan 1965-6-26 337 Modoc N end Jess Valley. 1616 Comment
  JEPS44229  Potentilla gracilis var. flabelliformis W. L. Jepson 1918-8-14 7984 Modoc Jess Valley 1584 Comment
  SBBG30542  Potentilla gracilis var. flabelliformis D. Myrick 1968-6-20 1976 Modoc Davis Crk on Hwy 395, 15 mi N of Alturas 1524 Comment
  CAS-BOT-BC143311  Potentilla newberryi John Thomas Howell 1934-7-2 12359 Modoc East side of Clear Lake Comment
  POM224087  Potentilla newberryi J. T. Howell 1934-7-2 12356 Modoc Nigger Ben Spring, SE end of Clear Lake. Comment
  POM70066  Prunella vulgaris var. lanceolata Mrs. R. M. Austin 1895-07 443 Modoc Goose Lake Valley. Comment
  NY849338  Prunus subcordata R. J. Weatherby 1955-7-8 1630 Modoc 6 miles north of Fort Bidwell, Warner Mountains 1646 Comment
  CHSC100358  Prunus virginiana var. demissa Lowell Ahart; John Dittes 2008-8-25 15301 Modoc On the west bank of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-notheast of Lookout. 1273 Comment
  RSA520372  Prunus virginiana var. demissa Bruce Bartholomew, B. Anderson 1989-6-1 4733 Modoc Shake Spring. NW side of Shaffer Mtn. 1500 Comment
  UC1281137  Prunus virginiana var. demissa H. E. McMinn 1931-5-23 2000 Modoc Warner Mountains 1981 Comment
  UC1037279  Pseudognaphalium thermale Leo Whitney 1934-8-2 1746 Modoc 15 mi nw Canby; Modoc National Forest, Hackamore 1463 Comment
  UCD91522  Pseudoroegneria spicata L. D. Whitney 1935-8-3 s.n. Modoc Lava Mountain side -- near Buck Creek -- North Warner Mountains. Comment
  CAS-BOT-BC252501  Pseudoroegneria spicata subsp. spicata Leland S. Smith 1924-6-15 1403 Modoc Lavas W of Mud Lake. 1371 Comment
  CAS-BOT-BC252504  Pseudoroegneria spicata subsp. spicata Leland S. Smith 1917-7-17 86 Modoc Granger Mill Camp. 1676 Comment
  CAS-BOT-BC252507  Pseudoroegneria spicata subsp. spicata John Thomas Howell 1934-6-11 11930 Modoc Parker Creek. 1584 Comment
  UC1024989  Pseudoroegneria spicata subsp. spicata Leo Whitney 1935-7-11 3455 Modoc 15 mi nw of Canby (Modoc National Forest, Hackamore); Modoc National Forest, Hackamore 1463 Comment
  UCD135274  Psilocarphus brevissimus Herbert L. Mason; Verne Grant 1947-7-10 13328 Modoc Dorris Reservoir, 2 miles east of Alturas. Comment
  CAS-BOT-BC50386  Psilocarphus brevissimus var. brevissimus Herbert Louis Mason; Verne Grant 1947-7-10 13328 Modoc Dorris Reservoir, 2 miles E of Alturas Comment
  CHSC99115  Psilocarphus brevissimus var. brevissimus Lowell Ahart; John Dittes 2008-6-21 14986 Modoc Bottom of a large vernal pool, about 50 yards northwest of a large culvert, about 25 yards west of the large levee, in Big Valley, about 2.8 miles (air) north of the Headquarters at Ash Creek State Wildlife Area, about 5.4 miles (air) northeast of Bieber. 1255 Comment
  CHSC107373  Psilocarphus oregonus Lowell Ahart; John Dittes 2011-6-22 17552 Modoc About 50 yards east of the road, about 100 yards northeast 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, 10 miles (air) east of Lookout, Big Valley. 1264 Comment
  RSA233734  Pterospora andromedea R. F. Thorne, C. W. Tilforth, K. Thorne 1969-9-5 39153 Modoc Near Mill Creek Falls. Modoc Nataional Forest, Warner Mts. 1753 Comment
  UCD91527  Puccinellia distans Beecher Crampton 1954-7-6 2083 -A Modoc Along U. S. Hwy. 395. 4 miles north of Likely. Comment
  CAS-BOT-BC252548  Puccinellia lemmonii Arnold Tiehm; et al 1984-6-1 8799 Modoc Surprise Valley, E side of Middle Alkali Lake E of Cedarville. 1356 Comment
  CHSC115565  Puccinellia lemmonii Lowell Ahart; John Dittes 2015-7-15 20345 Modoc On the east side of Elkins Lane, about 100 yards northeast of the Parking Area, northwest 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
  UCD91885  Puccinellia lemmonii Beecher Crampton 1954-7-8 2189 Modoc Modoc County, 1.5 miles west of Altura, extension of 4th Street. Comment
  UCD32720  Puccinellia nuttalliana Beecher Crampton 1954-7-7 2158 Modoc Modoc County, 2.5 miles east of Alturas, near radio station KCNO. Comment
  UCD93371  Puccinellia nuttalliana Beecher Crampton 1954-7-7 2158 Modoc Modoc County, 2.5 miles east of Alturas, near radio station KCNO. Comment
  NY848522  Purshia tridentata A. D. Borden 1911-6-15 s.n. Modoc South slope of Davis Creek Comment
  CAS-BOT-BC218227  Purshia tridentata var. tridentata C. C. (Mrs.) Bruce 1899-6-1 54 Modoc Modoc County. Comment
  CAS-BOT-BC218241  Purshia tridentata var. tridentata John H. Hatton 1911-6-10 20 Modoc Modoc County. 1524 Comment
  UC21709  Pyrola asarifolia Mrs. Bruce 1898-1 Modoc Comment
  JEPS58805  Pyrola dentata Leland S. Smith 1918-8-3 1011 Modoc Modoc National Forest, Warner Mountains, Bear Flat 2286 Comment
  JEPS58817  Pyrola dentata Milo S. Baker 1893-7-20 Modoc Near Forestdale Comment
  CAS-BOT-BC95691  Pyrola picta Bruce Bartholomew; Barrett Anderson 1990-7-19 5415 Modoc Top of Hunters Ridge S of Rush Creek. 1960 Comment
  CAS-BOT-BC50393  Pyrrocoma carthamoides var. cusickii Barrett Anderson 1986-7-9 3136 Modoc Poney Flat Rd just off Hwy 299. 1435 Comment
  CAS-BOT-BC50395  Pyrrocoma carthamoides var. cusickii George Ledyard Stebbins; J. A. Jenkins 1937-7-15 2374 Modoc Round Valley along state Hwy. 1066 Comment
  UC891896  Pyrrocoma carthamoides var. cusickii Lewis S. Rose 1940-6-14 40565 Modoc Kelly Hot Springs 1341 Comment
  CHSC39007  Pyrrocoma hirta var. lanulosa J. D. Jokerst 1983-6-18 1859 Modoc Meadow 0.4 miles south of the Crowder Flat Station. Opening east of forest service highway. Comment
  CAS-BOT-BC180122  Quercus kelloggii Leland S. Smith 1922-7-29 1324 Modoc Big Valley foothills. 1371 Comment
  RSA504607  Quercus kelloggii Bruce Bartholomew, B. Anderson 1988-6-23 4262 Modoc 1.8 km WSW of Day on County Road 94. 1170 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-BC180123  Quercus kelloggii Leland S. Smith 1922-8-1 1326 Modoc Bieber Allot foothills, S of Thompson's. 1219 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
  HSC67928  Raillardella argentea J. P. Smith, J. O. Sawyer 1973-8-8 7234 Modoc Near summit of Eagle Peak 2988 Comment
  OBI47988  Ranunculus Rhonda Riggins 1989-4-28 1662 Modoc Pencil Rd 4.4 mi N fo hwy 395 E of Alturas 1524 Comment
  UC72897  Ranunculus alismifolius var. alismifolius Milo S. Baker 1893-1 Modoc Forestdale Comment
  RSA604739  Ranunculus alismifolius var. alismifolius Louis C. Wheeler 1935-8-4 3774 Modoc Warner Mountains: Dismal Swamp, Twenty Mile Creek. 2226 Comment
  CHSC117806  Ranunculus alismifolius var. lemmonii L. P. Janeway 2016-5-18 12066 Modoc Modoc Plateau. Devils Garden area; Island Meadow, along Road 47N08 2.1 road-km north of Road 73/181/47N09. 1606 Comment
  CHSC37773  Ranunculus andersonii N. Prouty 1980-6-9 184 Modoc Sheep Rock Timber Sale. 2072 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
  RSA399371  Ranunculus aquatilis var. capillaceus George Willet 1935-6-12 s.n. Modoc [Unspecified] 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
  JEPS60726  Ranunculus aquatilis var. subrigidus Leland S. Smith 1918-7-22 1008 Modoc Blue Lake Modoc National Forest 1874 Comment
Read comments
Jun 2 2009
  RSA0114935  Ranunculus cymbalaria Lowell Ahart, John Dittes 2013-7-24 18938 Modoc South margin of Ash Creek Canal, south of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. 1269 Comment
  SJSU9367  Ranunculus cymbalaria W. Savage 1979-7-6 1400 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  UC1025082  Ranunculus cymbalaria var. saximontanus Leo Whitney 1934-5-20 1744 Modoc on banks of river near Clear Lake (n part of county); Lost River 1463 Comment
  CAS-BOT-BC217240  Ranunculus flabellaris Alice Eastwood; John Thomas Howell 1940-6-12 8080 Modoc Jess Valley. Comment
  RSA84858  Ranunculus flabellaris Alice Eastwood, John T. Howell 1940-6-12 8080 Modoc Jess Valley. Comment
  CHSC13476  Ranunculus glaberrimus C. S. Armor 1974-4-9 89 Modoc 100 yds. se of the north water storage tank in Alturas. 1310 Comment
  JEPS55077  Ranunculus glaberrimus Leland S. Smith 1918-3-21 915 Modoc near Alturas; Juniper Flats 1371 Comment
  RSA60359  Ranunculus glaberrimus var. ellipticus E. K. Balls 1950-5-10 15968 Modoc Seepage from snow, Cedar Pass, W slope on way from Alturas to Cedarville. 1829 Comment
  UC118239  Ranunculus hebecarpus T. S. Brandegee and Mrs. R. M. Austin 212 Modoc Comment
  CAS-BOT-BC217220  Ranunculus occidentalis John Thomas Howell 1934-6-12 12024 Modoc Plum Valley, Warner Mts. Comment
  CHSC70477  Ranunculus occidentalis S. Stearns 1997-5-13 2240 Modoc W. side of Little Willow Ck., Devil's Garden. 1540 Comment
  UC748221  Ranunculus occidentalis Annie M. Alexander and Louise Kellogg 1946-6-7 4672 Modoc 1/2 mi e Cedarville 1453 Comment
  CAS-BOT-BC217180  Ranunculus occidentalis var. dissectus Annie Montague Alexander; L. Kellogg 1946-6-8 4697 Modoc Road from Eagleville to Patterson Mill. 2286 Comment
  HSC18156  Ranunculus occidentalis var. occidentalis M. T. Milligan 1965-6-23 290 Modoc N end Jess Valley 1616 Comment
  POM99859  Ranunculus repens R. M. Austin 1895-06 407 Modoc Goose Lake Valley. Comment
  CHSC112369  Ranunculus testiculatus L. P. Janeway; B. Castro 2014-6-2 11293 Modoc Great Basin. Along Road 5 1.0 km west of the southwest corner of Cow Head Lake. 1627 Comment
  SJSU9371  Ranunculus testiculatus Wayne Savage 1979-7-3 1316 Modoc Triangle, Antelope Plains Unit, Devils Garden District 1493 Comment
  RSA152697  Ranunculus uncinatus I. L. Wiggins, Dorothy B. Wiggins 1961-6-12 16395 Modoc Margin of marshy area along Thomas Creek, 6.1 miles E of California Hwy 299, on road to Cedarville Comment
  SEINET13946370 Image available Rhamnus rubra E. K. Balls, P. C. Everett 1952-1 18156 Modoc .3 mi SE of crest of Fandango Pass, Warner Mts., Alt. 6000 ft. Comment
  CAS-BOT-BC6201  Rhamnus rubra subsp. modocensis Elmer Ivan Applegate 1897-5-31 863 Modoc 7 mi. SE of Dry Lake. Comment
  OBI48066  Ribes aureum Rhonda Riggins 1989-4-28 1667 Modoc Pencil rd, 4.4 mi N of hwy 395 E of Alturas 1524 Comment
  CAS-BOT-BC225865  Ribes cereum Annie Montague Alexander; L. Kellogg 1946-6-27 4849 Modoc Highgrade, top of ridge, two miles by road from Dismal Swamp, N end of Warner Mts. 2377 Comment
  JEPS27158  Ribes cereum Lauramay T. Dempster 1961-6-20 1713 Modoc ridge just north of junction of Dismal Creek Road with Ft. Bidwell Road; Warner Mts. 2346 Comment
  NY454995  Ribes cereum B. Anderson 1986-7-9 3185 Modoc Warner Mountains. Stough Reservoir Road just east of Cedar Pass near Stough Reservoir 1965 Comment
  RSA271927  Ribes cereum Christopher Davidson 2620 Modoc 2.5 mi W of Cedarville on Hwy 299. 1677 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
  RSA520365  Ribes cereum Bruce Bartholomew, B. Anderson 1989-4-29 4685 Modoc Surprise Valley Road, just S of the Oregon border, extreme NE corner of Modoc County. 1630 Comment
  UCD38342  Ribes cereum Beecher Crampton; with Carl Rimbey 1954-7-8 2185 Modoc 12 miles east of Likely. Canyon on the south fork of the Pit River. Comment
  UCSB24065  Ribes cereum var. cereum McMinn, H. 1931-5-23 Modoc Warner Mtns; Cedarville Rd 1889 Comment
  JEPS49402  Ribes inerme var. inerme Leland S. Smith 1918-8-13 1033 Modoc Lost Lake, Silver Creek, Modoc Forest. 2194 Comment
Read comments
Jan 11 2007
  SBBG2771  Ribes malvaceum H. and M. Dearing 1939-6-8 3608 Modoc Lily Lake, Warner Mtns Comment
  CAS-BOT-BC225904  Ribes montigenum Elmer Ivan Applegate 1932-8-1 8062 Modoc Arid rocky summit of Warner Mountains S of Warren Peak. Comment
  HSC80728  Ribes montigenum G. M. Riegel 1979-7-30 621 Modoc S Warner Mtns. 1829 Comment
  NY455304  Ribes montigenum A. M. Alexander 1946-6-25 4822 Modoc Dismal Swamp, north end of Warner Mountains 2255.5 Comment
  SEINET5339715  Ribes montigenum M. J. Williams 1984-6-29 84- 71 -2 Modoc Lily Lake, west side of the Warner Mountains 2073 Comment
  CAS-BOT-BC225916  Ribes velutinum Bruce Bartholomew; Barrett Anderson 1988-5-12 4137 Modoc Along the N side of the Pit River, 0.5 km W of State Highway 299 on Bushey Road. 1310 Comment
  CAS-BOT-BC225918  Ribes velutinum E. S. Willits 1940-4-27 191 Modoc Sugar Hill. Comment
  SJSU9606  Ribes velutinum Wayne Savage 1979-7-5 1379 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  UC570956  Ribes velutinum F. H. Frost 1925-7-24 114 Modoc Jess Valley Warner Mts. Comment
  CAS-BOT-BC225948  Ribes viscosissimum Bruce Bartholomew 1995-7-31 7123 Modoc 6.3 km from Forest Service road 46N30 on Forest Service road 45N34, W side of Warner Mountains. 1920 Comment
  NY455556  Ribes viscosissimum L. C. Wheeler 1935-8-14 3850 Modoc Lily Lake, Pine Creek, Warner Moutnains 2072.6 Comment
  NY455558  Ribes viscosissimum C. L. Hitchcock 1940-5-27 6694 Modoc 15 miles northeast of Alturas 1615.4 Comment
  CAS-BOT-BC50330  Rigiopappus leptocladus Bruce Bartholomew 1993-6-14 6665 Modoc 4 km E of County Road 114 on County Road 108, NW of Clear Lake Reservoir. 1400 Comment
  CAS-BOT-BC50367  Rigiopappus leptocladus Bruce Bartholomew 1992-5-17 6349 Modoc On abandoned dirt track, SW side of White Horse Mountains, SW of White Horse Flat Reservoir. 1300 Comment
  UC579731  Rigiopappus leptocladus David D. Keck and J. Clausen 1935-6-24 3715 Modoc 3 mi ne Willow Ranch (e of Goose Lake) 1550 Comment
  UC35863  Rigiopappus leptocladus Mrs. R. M. Austin June 1894 Modoc near Emigrant Springs; Lava Beds Comment
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May 28 2006
  CDA37713  Rorippa austriaca Breckenridge/Filippini 2007-6-14 s.n. Modoc South of Alturas, on Jones Lane. 0 Comment
  UCD115244  Rorippa austriaca Robbins; Raynor 1943-6-1 s.n. Modoc Corporation Ranch in Likely. Comment
  CAS-BOT-BC58422  Rorippa curvisiliqua Roxana Stinchfield Ferris; R. Duthie 1919-6-14 170 Modoc Parker Creek at Modoc Nat. Forest Boundary. Comment
  CAS-BOT-BC58424  Rorippa curvisiliqua Clare Butterworth Hardham 1974-8-6 20175 Modoc Cedar Pass, Warner Mountains. 1938 Comment
  CAS-BOT-BC58418  Rorippa curvisiliqua Leland S. Smith 1922-7-7 1261 Modoc Near Ft. Bidwell, along boundary of Forest. 1737 Comment
  UC1056985  Rorippa tenerrima F. H. Frost 1925-7-27 173 Modoc Clear Lake Clear Lake (nw Modoc County) Comment
  CAS-BOT-BC497201  Rosa John H. Hatton 1911-6-17 121 Modoc Modoc Forest, near Pitt River Bridge 1219 Comment
  CAS-BOT-BC218244  Rosa gymnocarpa Bruce Bartholomew 1994-7-4 6855 Modoc Johnson Creek, E of State Hwy 299. 1620 Comment
  CAS-BOT-BC497303  Rosa gymnocarpa B. Bartholomew; B. Anderson 1988-6-23 4275 Modoc 4.0 km W of Day on County Rd 94 1340 Comment
  POM312889  Rosa woodsii subsp. ultramontana Verne Grant, Irving Schneider 1947-7-18 8045 Modoc E side Canal, 5 miles N of Bayley's bridge, S of Alturas. 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-BC218252  Rosa woodsii var. ultramontana Alice Eastwood; John Thomas Howell 1940-6-11 8009 Modoc 6 mi. NE of Adin on road to Canby. Comment
  CAS-BOT-BC218253  Rosa woodsii var. ultramontana Fred. P. Cronemiller 1919-6-14 26 Modoc Deep Creek. 1524 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
  UC555644  Rosa woodsii var. ultramontana F. H. Frost 1925-7-11 32 Modoc Cedar Canyon camp site, Warner Mountains Comment
  UC12857  Rosa woodsii var. ultramontana Milo S. Baker 1893-6 Modoc 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-BC433492  Rumex fueginus Elmer I. Applegate 1932-7-6 8204 Modoc East side of Middle Lake, Surprise Valley. Along the Nevada state line. Comment
  CHSC106213  Rumex fueginus Lowell Ahart; John Dittes 2010-8-31 17126 Modoc Edge of a pond, about 400 yards west of Elkins Lane and the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  CAS-BOT-BC211348  Rumex lacustris E. S. Willits 1940-5-17 258 Modoc Creek bottom, Willow Ranch. 1371 Comment
  CAS-BOT-BC211307  Rumex occidentalis L. A. M. Black 1894-9-1 63 Modoc Davis Creek. Comment
  HSC64418  Rumex occidentalis J. P. Smith, J. O. Sawyer 1973-8-9 7257 Modoc Blue Lake, Modoc National Forest 1829 Comment
  UCR34685  Rumex salicifolius J. A. Harpel 1981-8-6 V- 41 Modoc Warner Mtns, South Warner Wilderness Area: E end of Patterson Lake, 7 mi NW of Eagleville 2744 Comment
  NY430648  Rumex salicifolius subsp. triangulivalvis J. T. Howell 1934-6-15 12189 Modoc Alturas Comment
  CAS-BOT-BC211316  Rumex triangulivalvis John Thomas Howell 1934-6-15 12189 Modoc Alturas. Comment
  CAS-BOT-BC211318  Rumex triangulivalvis Alice Eastwood; John Thomas Howell 1940-6-12 8071 Modoc Between Likely and Jess Valley. Comment
  CAS-BOT-BC95283  Sagina saginoides Roxana Stinchfield Ferris; R. Duthie 1919-6-13 23 Modoc Parker Creek, near Modoc National Forest Boundary. Comment
  CDA13465  Sagittaria cuneata G. F. Hrusa, T. D. Wilfred 1996-7-21 13312 Modoc Modoc Plateau; along Pit River at Modoc Co. Rd. 90 bridge. E base of Splawn Mtn. N end of Big Valley. Comment
  UC935719  Sagittaria cuneata Herbert L. Mason 1947-8-12 13506 Modoc Alturas Junction of North and South Forks of Pit River (junction of North and South Forks of Pit River) Comment
  POM119225  Sagittaria cuneata Mrs. R. M. Austin 1895-07 479 Modoc Davis Creek Comment
  RSA0108535  Sagittaria cuneata F. W. Peirson 1926-6-26 6900 Modoc Alturas to Canby Comment
  UC935799  Sagittaria cuneata Malcolm A. Nobs, S. Galen Smith and Herbert L. Mason 1949-5-29 768 Modoc e Kelly Hot Springs; e of Kelly Hot Springs Comment
  CHSC109636  Sagittaria latifolia Lowell Ahart; John Dittes 2012-7-11 18336 Modoc Vernal pool like areas on the bottom of a gravel pit, north edge of the meadow, about 1/8 mile east of the parking area on the east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adam, about 8 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  RSA603489  Salix Louis C. Wheeler 1935-8-13 3832 Modoc Warner Mountains: Barnes Creek. Mt. Diablo Mer. 2287 Comment
  CAS-BOT-BC125942  Salix X rubens Mrs. H. P. Bracelin 1934-6-13 818 Modoc Lower Lake 2 1/2 miles south of Eagleville, base of eastern side of Warner Mts. Comment
  CAS-BOT-BC225116  Salix boothii Francis Dorris Payne 1932-7-21 729 Modoc marsh S of Mosquito Lake, E side of Mt. Warren (Buck Mt.), Warner Mts., E of Alturas Comment
  CAS-BOT-BC225118  Salix boothii Belknap C. Goldsmith 1910-8-11 19 Modoc Summit of Warner Mts, near Oregon-California line. 2194 Comment
  UC482329  Salix boothii Frances D. Payne 1931-7-7 331 Modoc 33 km. se of Alturas; Warner Mts., Pine Creek Basin 2280 Comment
  UC492371  Salix boothii Frances D. Payne 1932-7-21 728 a Modoc e Alturas (marsh s of Mosquito Lake); Warner Mts., e side Mt. Warren (Buck Mt.) 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
  JEPS14855  Salix eastwoodiae Frances D. Payne 1931-7-8 277 Modoc Pine Creek Basin; Warner Mts. 2316 Comment
  SD964  Salix eastwoodiae Frances D. Payne 1931-6-25 275 Modoc Pine Creek Basin, Warner Mountains, about 33 km southeast of Alturas, near spring along creek 2280 Comment
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Nov 9 2011
  UC481865  Salix eastwoodiae Frances D. Payne 1931-7-8 177 Modoc ca. 33 km. se Alturas; Warner Mts., Pine Creek Basin 2280 Comment
  CAS-BOT-BC225765  Salix exigua Elmer Ivan Applegate 1897-6-2 3030 Modoc Upper Pitt River valley S of Alturas. Comment
  RSA5667  Salix exigua H. P. Bracelin 1931-6-30 501 Modoc Alturas. SW end of town. 1360 Comment
  CAS-BOT-BC229683  Salix lasiandra subsp. caudata Elmer Ivan Applegate 1929-6-25 5899 Modoc Cottonwood Creek, E side of Goose Lake. Comment
  CAS-BOT-BC229691  Salix lasiandra subsp. caudata Roxana Stinchfield Ferris; R. Duthie 1919-6-14 188 Modoc Parker Creek near Modoc Nat. Forest Boundary. Comment
  UC481937  Salix lasiandra subsp. lasiandra Mrs. H. P. Bracelin and Miss Frances D. Payne 1931-6-30 490 Modoc 20 km. e. Alturas (meadow s. of Payne Ranch); Parker Creek 1560 Comment
  CAS-BOT-BC197562  Salix lasiandra var. lasiandra H. P. Bracelin; Francis Dorris Payne 1931-6-30 498 Modoc Parker Creek, 20 km E of Alturas. 1560 Comment
  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
  UC481933  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-29 487 Modoc halfway between Adin and Canby 1350 Comment
  CAS-BOT-BC229694  Salix lemmonii H. P. Bracelin; Francis Dorris Payne 1931-6-30 496 Modoc Parker Creek, 20 km E of Alturas. 1560 Comment
  CAS-BOT-BC229697  Salix lemmonii Milo Samuel Baker 1893-6-1 s.n. Modoc Big Valley Mts. Comment
  NY187862  Salix lemmonii L. C. Wheeler 1935-8-3 3760 Modoc Pine Creek, Warner Mts. 1737.4 Comment
  UC437299  Salix lemmonii Belknap C. Goldsmith 1911-5-21 26 Modoc e. shore Goose Lake; Modoc Forest Comment
  UC481852  Salix lemmonii Frances D. Payne 1931-6-25 279 Modoc ca. 33 km. s.e. Alturas; Warner Mts., Pine Creek Basin 2280 Comment
  UC481857  Salix lemmonii Frances D. Payne 1931-7-7 332 Modoc ca. 33 km. s.e. Alturas; Warner Mts., Pine Creek Basin 2280 Comment
  RSA152632  Salix ligulifolia I. L. Wiggins, Dorothy B. Wiggins 1961-6-12 16367 Modoc Pit River. Ca 3.9 miles N of Alturas. Comment
  POM220491  Salix lucida H. P. Bracelin, Theodore Payne 1931-6-30 499 Modoc Parker Creek, 20 km E of Alturas. Meadow S of Payne Ranch. 1560 Comment
  CAS-BOT-BC229676  Salix lutea H. P. Bracelin; Francis Dorris Payne 1931-6-30 499 Modoc Parker Creek, 20 km E of Alturas. 1560 Comment
  POM107279  Salix lutea R. M. Austin 1895-04 s.n. Modoc Goose Lake. Franklin Creek. Comment
Read comments
Mar 5 2011
  POM362841  Salix lutea H. P. Bracelin, Frances D. Payne 1931-6-30 499 Modoc Parker Creek, 20 km E of Alturas. Meadow S of Payne Ranch. 1560 Comment
  UC481796  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
  UC481845  Salix melanopsis Frances D. Payne 1931-6-11 140 Modoc Parker Creek Warner Mts., Parker Creek 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
  SEINET14188975 Image available Salvia aethiopis P. C. Martinelli, T. C. Fuller 1974-7-19 s.n. Modoc Alturas area Comment
  UCD125444  Salvia aethiopis John C. Hays 1947-6-1 s.n. Modoc Joseph Creek, on W.A. Carlsberg Ranch. Comment
  SBBG6480  Salvia dorrii var. dorrii H. and M. Dearing 1939-6-9 3609 Modoc E side of Cedar Pass Comment
  UC585165  Salvia dorrii var. dorrii E. B. Babcock, G. L. Stebbins Jr. 1936-6-9 1819 Modoc about 3 mi w Cedarville; Warner Mountains, Cedar Creek Canyon 1524 Comment
  CAS-BOT-BC95178  Sambucus melanocarpa Belknap C. Goldsmith 1910-7-20 13 Modoc Fandango Creek, W slope of Warner Mts. 1554 Comment
  UC441301  Sambucus mexicana Franklin P. Nutting Modoc near Forestdale; Big Valley Mts. Comment
  HSC80928  Sambucus nigra subsp. caerulea G. M. Riegel 1979-8-26 686 Modoc S Warner Mtns. 1670 Comment
  CAS-BOT-BC95180  Sambucus racemosa var. melanocarpa K. Paulson; Robert Paulson 1991-8-28 254 Modoc Poison Lake, N end of Warner Mountains. 1828 Comment
  UC13056  Sanguisorba annua Milo S. Baker 1893-7-15 Modoc Adobe flat (? descriptive term and not a locality name) 1371 Comment
  CAS-BOT-BC15677  Sanicula graveolens Bruce Bartholomew; Barrett Anderson 1989-6-2 4840 Modoc Vicinity of Stough Reservoir, Warner Mountains. 1950 Comment
  CHSC70461  Sanicula graveolens A. Sanger 1997-5-20 2471 Modoc Found along the Juniper line above a low sage flat to the southeast of Whitney Res. West of where the eastern road to the Res. deadends. 1432 Comment
  CAS-BOT-BC95570  Sarcobatus vermiculatus Elmer Ivan Applegate 1897-6-1 3035 Modoc Between Canby and Alturas. Comment
  RSA11894  Sarcobatus vermiculatus Elmer I. Applegate 1897-6-1 3035 Modoc Between Canby and Alturas Comment
  NY784264  Saxifraga oregana var. oregana B. M. Bartholomew 1988-6-24 4367 Modoc Vicinity of Patterson Campground, southern end of the Warner Mountains. Emerson Peak 7 1/2' Quad. 2190 Comment
  UCD126454  Schedonorus arundinaceus L. D. Whitney 1935-7-21 s.n. Modoc Happy Camp. Comment
  UC1587094  Schoenoplectus americanus G. Schoolcraft 1991-7-24 2188 Modoc Leonard Hot Spring NE of Middle Alkali Lake 1386 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-BC245125  Scirpus microcarpus Bruce Bartholomew 1990-6-17 5329 Modoc W side of Surprise Valley, 16 km S of Cedarville. 1420 Comment
  CHSC113087  Scirpus microcarpus Lowell Ahart; John Dittes 2013-7-24 18944 Modoc South margin of Ash Creek Canal, south of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. 1268 Comment
  UC1100886  Scirpus nevadensis Herbert L. Mason 1947-8-15 13543 Modoc e side Goose Lake (mouth Crane Creek, Willow Ranch); mouth Crane Creek, e side Goose Lake, Willow Ranch Comment
  UC1100801  Scirpus pungens Verne Grant, Irving Schneider 1947-7-18 8056 Modoc s Alturas (s loop of eastside rd in Pit River Valley); Pit River Valley Comment
  CAS-BOT-BC252546  Scribneria bolanderi Alice Eastwood; John Thomas Howell 1940-6-15 8297 Modoc 5 mi. N of Lookout. Comment
  UC103822  Scrophularia lanceolata Mrs. R. M. Austin Aug 1894 299 Modoc Comment
  CHSC71878  Scutellaria antirrhinoides Vernon H. Oswald; Lowell Ahart 1998-9-8 9593 Modoc County Rd. 95 at Taylor Creek northwest of Lookout and ca. 0.5 air mi northeast of Lookout Junction. 1280 Comment
  CAS-BOT-BC95611  Sedum lanceolatum Annie Montague Alexander; L. Kellogg 1946-7-1 4969 A Modoc Mesa West, Eight Mile Creek, northeast corner of county. Comment
  CHSC63604  Sedum lanceolatum V. H. Oswald; Beth Corbin, Mike Dolan, Allison Sanger 1994-7-9 6372 Modoc Dismal Swamp ca. 6 mi (air) E of Hwy. 395, just S of the Oregon border. 2218 Comment
  UC748120  Sedum lanceolatum Annie M. Alexander and Louise Kellogg 1946-7-11 4969 A Modoc Mesa West Eight Mile Creek, Mesa West (Eight Mile Creek, nw corner of county) Comment
  UC205191  Sedum lanceolatum M. F. Gilman 512 Modoc Comment
  UC748226  Sedum rosea subsp. integrifolium Annie M. Alexander and Louise Kellogg 1946-7-29 5085 Modoc head Eagle Creek (Warner Mountains, moist stony flat below divide); Warner Mountains, head of Eagle Creek Comment
  CAS-BOT-BC95620  Sedum stenopetalum subsp. stenopetalum Bruce Bartholomew 1990-6-17 5344 Modoc 4 km N of Buck Creek Ranger Station at turn off to Del Prat Spring, W side of Warner Mts. 1900 Comment
  RSA113689  Senecio eurycephalus H. K. Sharsmith 1955-6-25 4507 Modoc North slope of Jess Valley. Warner Mountains, Modoc National Forest. 1585 Comment
  CHSC70717  Senecio hydrophiloides A. Sanger 1997-6-11 2511 Modoc Meadow on east side of road 44N69. 1981 Comment
  RSA0012564  Senecio hydrophilus F. W. Peirson 1926-6-25 6894 Modoc 1 mile east of summit of Warner Mts. on Cedarville Road. Comment
  CAS-BOT-BC50265  Senecio integerrimus Annie Montague Alexander; L. Kellogg 1946-7-18 5019 Modoc Benton Meadow. 2072 Comment
  CAS-BOT-BC50293  Senecio integerrimus var. exaltatus Clare Butterworth Hardham 1961-6-18 7563 Modoc Hills 3 mi. SE of Cedar Pass. 1828 Comment
  CAS-BOT-BC50297  Senecio integerrimus var. exaltatus Bruce Bartholomew; Barrett Anderson 1988-5-12 4115 Modoc S side of Egg Lake. 1300 Comment
  HSC67882  Senecio serra J. P. Smith, J. O. Sawyer 1973-8-8 7253 Modoc Just N of Patterson Guard Station along Summit Trail 2195 Comment
  CAS-BOT-BC50267  Senecio serra var. serra Annie Montague Alexander; L. Kellogg 1946-7-7 4949 Modoc Eight Mile Creek, NE corner of county 1752 Comment
  RSA0013302  Senecio serra var. serra L. C. Wheeler 1935-8-4 3782 Modoc Dry Lake, Pine Creek, Warner Mts. 2104 Comment
  CAS-BOT-BC54277  Senecio triangularis Bruce Bartholomew; Barrett Anderson 1988-7-21 4434 Modoc Vicinity of Lower Rush Creek Campground ca. 1 km E of State Highway 299 between Adin and Canby. 1430 Comment
  RSA0011802  Shepherdia argentea E. K. Balls 1950-5-11 14612 Modoc West of Middle Lake, between Eagleville and Cedarville. 1433 Comment
  HSC19737  Sibbaldia procumbens M. T. Milligan 1965-7-10 436 Modoc W slope of Eagle Peak. 2439 Comment
  UC519036  Sibbaldia procumbens Elmer I. Applegate 1923-8-1 8023 Modoc just s Warren Peak (high summit of Warner Mountains); Warner Mountains Comment
  CAS-BOT-BC179071  Sidalcea oregana subsp. oregana Bruce Bartholomew; Barrett Anderson 1989-6-3 4886 Modoc Boles Creek, ca. 5.5 km E of the SE corner of Clear Lake Reservoir. 1430 Comment
  CAS-BOT-BC179085  Sidalcea oregana subsp. oregana Bruce Bartholomew 1991-6-21 5829 Modoc W side of Goose Lake, 1.4 km N of junction with Forest Service road 73. 1450 Comment
  CAS-BOT-BC179096  Sidalcea oregana subsp. oregana E. S. Willits 1940-5-17 259 Modoc Willow Ranch. Comment
  CHSC112079  Sidalcea oregana subsp. oregana L. P. Janeway; B. Castro 2014-6-2 11308 Modoc Great Basin. Along County Road 1, 1.0 km north of the road to the southwest corner of Cow Head Lake (County Road 5), on the east side of Long Canyon, low in the canyon. 1566 Comment
  HSC32488  Sidalcea oregana subsp. oregana A. M. Montalvo, J. D. Ackerman 1974-7-4 360 Modoc Howard's Gulch, 6 mi. NW of Canby, off Hwy. 139. 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
  CAS-BOT-BC179051  Sidalcea oregana subsp. spicata E. S. Willits 1940-6-9 338 Modoc 12 Mile Creek. Comment
  CAS-BOT-BC179054  Sidalcea oregana subsp. spicata Leland S. Smith 1922-7-13 1265 Modoc Crowder Flat Ranger Station Pasture. 1463 Comment
  CAS-BOT-BC179057  Sidalcea oregana subsp. spicata Annie Montague Alexander; L. Kellogg 1946-7-18 5024 Modoc Benton Meadow. 2072 Comment
  CHSC106713  Sidalcea oregana subsp. spicata Barbara Ertter 1988-6-18 7612 Modoc W side of Hwy 139 just S of where it crosses rialroad at jct to Clear Lake, NE of Dry Lake E of Lava Beds Nat'l Monument. 1249 Comment
  JEPS67274  Sidalcea oregana subsp. spicata Frances D. Payne 1931-6-20 205 Modoc s and e Alturas (Parker Creek, Warner Mountains); Warner Mountains, s and e of Alturas, Parker Creek 1584 Comment
  CAS-BOT-BC498759  Silene L. S. Smith 1924-6-29 1447 Modoc Modoc Forest, Lava R.S. Comment
  JEPS50914  Silene douglasii Leland S. Smith 1918-6-22 964 Modoc Lily Lake-High Grade Modoc Forest, Lily Lake, High Grade 2042 Comment
  UC748474  Silene douglasii Annie M. Alexander and Louise Kellogg 1946-7-24 5073 Modoc Horse Mountain Warner Mountains, Horse Mountain Comment
  JEPS50878  Silene douglasii Frances D. Payne 1933-8-6 775 Modoc 2 mi sw Warren Mt. (southwestern Modoc County); Pine Creek Basin, sw of Warren Mt. 2316 Comment
  CAS-BOT-BC95258  Silene douglasii var. douglasii John Thomas Howell 1934-6-11 11958 Modoc Parker Creek, Warner Mts. 1584 Comment
  CDA3459  Silene latifolia subsp. alba T. C. Fuller 1975-9-4 20097 Modoc West side of Highway 139, 2 miles south of the plant quarantine station. 0 Comment
  CAS-BOT-BC95266  Silene menziesii Leland S. Smith 1922-7-20 1300 Modoc Rush Creek Ranger Station. 1905 Comment
  UC120151  Silene menziesii Mrs. R. M. Austin Aug. 1894 93 Modoc Lassen Creek Comment
  CAS-BOT-BC95273  Silene oregana Annie Montague Alexander; L. Kellogg 1946-8-9 5139 Modoc Patterson Lake Trail, Warner Mts. Comment
  CAS-BOT-BC95275  Silene oregana Bruce Bartholomew 1989-7-15 5022 Modoc Manzanita Lookout, top of Manzanita Mountain. 2130 Comment
  CAS-BOT-BC95277  Silene oregana Leland S. Smith 1918-7-10 982 Modoc Mill Creek. 2133 Comment
  CDA3901  Sinapis arvensis T. C. Fuller 1959-7-8 s.n. Modoc Junction of Highways 299 and 139, 1 miles west of Canby. 0 Comment
  CHSC114920  Sisymbrium altissimum D. B. Joley 1976-6-23 1 Modoc Likely, near Alturas. Comment
  CHSC112428  Sisymbrium orientale Lowell Ahart; John Dittes, Todd Sloat 2013-6-8 18760 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
  RSA584830  Sisyrinchium halophilum Bruce Bartholomew 1993-6-12 6602 Modoc Tom Large Flat, west of Egg Lake 1260 Comment
  UC1537630  Sium suave Gordon H. True Jr. 1939-7-21 1028 Modoc n of Canby (Jack Swamp); Jack Swamp Comment
  UC3868  Smilacina racemosa Milo S. Baker 1893-6-29 Modoc Comment
  UC71734  Smilacina racemosa Mrs. M. H. Manning Aug 22 1903-Jul 9 1904 135 Modoc Cottonwood Pass; ne Modoc Co. Comment
  CHSC117255  Solanum physalifolium var. nitidibaccatum Lowell Ahart; John Dittes 2016-7-14 21199 Modoc Strand of a new pond, south of Ash Creek Canal (now filled in), south of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. 1273 Comment
  CHSC99932  Solanum physalifolium var. nitidibaccatum Lowell Ahart; John Dittes 2008-8-25 15297 Modoc On the east 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-BC245429  Solanum triflorum E. S. Willits 1939-10-27 173 Modoc School grounds, Willow Ranch. Comment
  NY820315  Solanum triflorum L. C. Wheeler 1935-9-22 3995 Modoc Pit River at Rattlesnake Butte, Warm Springs Valley 1341 Comment
  SBBG28930  Solanum triflorum F. W. Peirson 1926-6-25 6878 Modoc 0.2 mi E of summit, near Ranch, Cedarville Rd Comment
  CAS-BOT-BC54287  Solidago canadensis subsp. elongata C. C. (Mrs.) Bruce 1894-8-1 61 Modoc Davis Creek. Comment
  JEPS5954  Solidago elongata Frances D. Payne 1933-8-5 768 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  UC1999882  Solidago elongata J. C. Semple, B. A. Suripto, T. Ahmed 1990-8-11 9296 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
  UCR57504  Solidago occidentalis R. D. Goeden, Don W. Ricker 1989-8-22 890822- 12 Modoc East of Likely on Jess Valley Rd. Beside S fork of Pit River 1421 Comment
  CAS-BOT-BC54283  Solidago velutina subsp. californica Bruce Bartholomew 1989-8-12 5126 Modoc South Fork of Pine Creek where it crosses West Warner Road, W side of Warner Mountains. 1900 Comment
  CHSC117361  Sonchus asper subsp. asper Lowell Ahart; John Dittes 2016-7-14 21157 Modoc West side 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
  RSA252436  Sparganium angustifolium subsp. emersum Robert F. Thorne, C. W. Tilforth 1969-9-5 39149 Modoc Along South Fork of Pit River ca. 7 miles east of Likely. 1433 Comment
  CAS-BOT-BC242255  Sparganium emersum Verne Grant; I. Schneider 1947-7-22 8137 Modoc North Fork of Pit River by State Quarantine Station. Comment
  CHSC116089  Sparganium emersum Lowell Ahart; John Dittes 2015-7-15 20347 Modoc On the east side of Elkins Lane, about 100 yards northeast of the Parking Area, northwest 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
  SEINET7944803 Image available Sparganium emersum V. Grant, I. Schneider 1947-7-18 8057 Modoc S loop of E-side road in Pit River Valley S of Alturas Comment
  UCD94836  Sparganium emersum Herbert L. Mason; Verne Grant 1947-7-12 13433 Modoc Corporation Ranch Headquarters, north of Likely. Comment
  CAS-BOT-BC95285  Spergularia rubra Bruce Bartholomew; Barrett Anderson 1988-6-24 4339 Modoc Cave Lake, W side of the Warner Mts.. 2130 Comment
  UC36601  Sphaeromeria potentilloides var. potentilloides Mrs. C. C. Bruce June 1898 2173 Modoc Alturas Comment
  CAS-BOT-BC15685  Sphenosciadium capitellatum Bruce Bartholomew 1994-8-21 6865 Modoc Squaw Peak Trail, E side of the Warner Mountains. 2240 Comment
  JEPS404  Spirodela polyrhiza W. L. Jepson 1918-8-5 7822 Modoc South Fork Valley 1371 Comment
  SEINET11587765  Stachys ajugoides Unknown 2016-8-16 7 -8 Modoc Lookout Comment
  UC1191923  Stachys palustris subsp. pilosa Verne Grant, Irving Schneider 1947-7-18 8046 Modoc 5 mi n Bayley's Bridge (Eastside Canal, s of Alturas) Comment
  UC635183  Stachys palustris subsp. pilosa F. H. Frost 1925-7-24 104 Modoc Jess Valley Warner Mts. Comment
  UC748040  Stachys palustris subsp. pilosa Annie M. Alexander and Louise Kellogg 1946-7-12 4984 Modoc Twelve Mile Creek, ne corner of county Twelve Mile Creek Comment
  HSC81098  Stachys rigida var. rigida G. M. Riegel 1980-7-29 964 Modoc S Warner Mtns. 2100 Comment
  SEINET5337009  Stellaria jamesiana M. J. Williams 1984-6-28 84- 67 -3 Modoc 2 miles north of intersection between Soldier Creek and Old cannon Mill roads. Warner Mtns, north of Cedar pass. 2057 Comment
  CAS-BOT-BC95287  Stellaria longipes Bruce Bartholomew 1992-5-16 6324 Modoc Lunsford Spring. 1600 Comment
  HSC4281  Stellaria media M. T. Milligan 1966-4-8 453 Modoc N end of Jess Valley 1616 Comment
  CAS-BOT-BC54296  Stenotus acaulis Leland S. Smith 1917-7-17 83 Modoc Head of Shield Creek. 2133 Comment
  JEPS31317  Stenotus acaulis Mrs. R. M. Austin and Bruce 1898-6-18 2135 Modoc Lake City, Mt. 2133 Comment
  CAS-BOT-BC54258  Stenotus stenophyllus Bruce Bartholomew; Barrett Anderson 1988-5-13 4150 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-BC54266  Stephanomeria spinosa Elmer Ivan Applegate 1932-7-6 8192 Modoc Eagleville, Surprise Valley, E base of Warner Mountains Comment
  CDA14601  Stephanomeria spinosa G. D. Barbe 1991-8-27 4441 Modoc Warner Mountains; East of Bald Mountain, Modoc National Forest. 2316 Comment
  CAS-BOT-BC54273  Stephanomeria tenuifolia Francis Dorris Payne 1932-7-25 749 Modoc Parker Creek. 1584 Comment
  SEINET195670  Streptanthus cordatus Annie M. Alexander, L Kellogg 1946-6-7 4995 Modoc 15 mi E of Cedarville 1753 Comment
  CAS-BOT-BC95063  Streptanthus cordatus var. cordatus Annie Montague Alexander; L. Kellogg 1946-6-22 4815 Modoc Bidwell Creek, 2 mi. above Fort Bidwell. Comment
  CAS-BOT-BC95065  Streptanthus cordatus var. cordatus Louis Cutter Wheeler 1935-8-14 3842 Modoc Pine Creek, Warner Mts. 2011 Comment
  CAS-BOT-BC95067  Streptanthus cordatus var. cordatus Alice Eastwood; John Thomas Howell 1940-6-13 8138 Modoc W side of Fandango Pass. Comment
  UC1736576  Streptanthus cordatus var. cordatus Dean Wm. Taylor with Glenn Clifton 1987-6-27 9102 Modoc Highway 395 3.5 miles N of Northern junction with Highway 299 1371 Comment
  JEPS90830  Suaeda calceoliformis Dean W. Taylor 1989-8-4 10434 Modoc 2.5 mi e of Eagleville (between Middle Lake and Lower Lake, Modoc Plateau, Surprise Valley); Modoc Plateau, Surprise Valley 1341 Comment
  CAS-BOT-BC180105  Swertia albicaulis var. albicaulis Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-15 16499 Modoc Junction of road to Tieneste with Hwy 139. Comment
  JEPS47012  Swertia albicaulis var. nitida Milo S. Baker 1893-7-20 Modoc near Forestdale (sw Modoc County) Comment
  CAS-BOT-BC95188  Symphoricarpos rotundifolius var. rotundifolius Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10537 Modoc Warner Mountains, Modoc National Forest, Patterson Ranger Station (East Creek drainage). 2164 Comment
  JEPS12666  Symphoricarpos rotundifolius var. rotundifolius W. L. Jepson 1918-8-6 7833 Modoc Davis Creek; Sugar Hill 1524 Comment
  JEPS22820  Symphoricarpos rotundifolius var. rotundifolius Mrs. R. M. Austin Aug 1894 Modoc Lassen Creek Comment
  JEPS26666  Symphoricarpos rotundifolius var. rotundifolius Lauramay T. Dempster 1961-6-18 1695 Modoc 3.2 mi e Cedar Pass (canyon s of highway) 1676 Comment
  UC71844  Symphyotrichum ascendens Mrs. M. H. Manning Sep 1 1902-Oct 1 1902 18 Modoc Ft. Bidwell Comment
  UC1192166  Symphyotrichum bracteolatum Verne Grant and Irving Schneider 1947-8-28 8332 Modoc nw of, at Jack Swamp Alturas Comment
  UCD136550  Symphyotrichum bracteolatum Robert F. Thorne; C. W. Tilforth 1969-9-4 39047 Modoc along north fork of Pit River, 11.8 miles north of Alturas along Highway 395. 1371 Comment
  JEPS40767  Symphyotrichum campestre Mrs. M. H. Manning 1903-8-1 268 Modoc near Fort Bidwell; North-East Modoc Co Comment
  CAS-BOT-BC15220  Symphyotrichum eatonii Leland S. Smith 1919-8-18 1134 Modoc Ash Valley. 1463 Comment
  HSC81018  Symphyotrichum foliaceum var. apricum G. M. Riegel 1980-8-6 994 Modoc South Warner Mtns. 2100 Comment
  CHSC115695  Symphyotrichum foliaceum var. parryi L. P. Janeway 2015-8-11 11834 Modoc Warner Mountains. East side of Squaw Peak a little above Squaw Peak Trail. 2483 Comment
  UC1025086  Symphyotrichum frondosum Leo Whitney 1934-9-23 3069 Modoc 15 mi nw of Canby; Modoc National Forest, Lake Joaquina, Hackamore 1463 Comment
  UCD136505  Symphyotrichum frondosum Robert F. Thorne; J. Henrickson, C. W. Tilforth 1969-9-4 39073 Modoc east shore of Goose Lake at Willow Ranch. 1432 Comment
  JEPS6016  Symphyotrichum spathulatum Frances D. Payne 1933-8-5 769 Modoc s and e of, (Parker Creek) Alturas; Warner Mountains, Parker Creek 1584 Comment
  UC1192204  Symphyotrichum spathulatum Verne Grant and Irving Schneider 1947-7-20 8093 Modoc s of Alturas ((Jones Lane by first bridge w of Highway 395)) Comment
  UC469026  Symphyotrichum spathulatum W. P. Taylor and H. C. Bryant 1910-7-24 Modoc Squaw Peak Warner Mountains, Squaw Peak Comment
  CAS-BOT-BC15169  Symphyotrichum spathulatum var. spathulatum Bruce Bartholomew 1989-8-11 5095 Modoc Vicinity of Patterson Ranger Station, S end of Warner Moutains. 2160 Comment
  CAS-BOT-BC232356  Synthyris missurica C. L. Hitchcock 1940-5-27 6716 Modoc 15 mi. NE of Alturas. 1981 Comment
  CAS-BOT-BC232358  Synthyris missurica Annie Montague Alexander; L. Kellogg 1946-6-28 4857 Modoc Pine Creek Canyon. Comment
  RSA503253  Synthyris missurica Bruce Bartholomew, B. Anderson 1988-6-24 4306 Modoc Road beyond Poison Lake, ca. 8 km S of the road from Hwy 395 to Lily Lake, Warner Mountains. 2130 Comment
  UCD86165  Taeniatherum caput-medusae T. C. Fuller 1959-7-8 2742 Modoc roadside hillslope, Hwy 299, 8 miles west of Alturas. Comment
  UCD86205  Taeniatherum caput-medusae L. Whitney 1935-7-20 3543 Modoc meadow near Canby. Comment
  JEPS6003  Tanacetum vulgare Frances D. Payne 1935-8-25 811 Modoc s and e of Alturas (Warner Mountains, Parker Creek); Warner Mountains, Parker Creek 1584 Comment
  RSA185421  Taraxacum officinale Clare B. Hardham 1961-6-20 7883 Modoc Near Mt Bidwell. 2439 Comment
  UC36615  Taraxacum officinale Mrs. R. M. Austin and Bruce May 1898 2178 Modoc Comment
  JEPS31538  Taraxia subacaulis Milo S. Baker 1893-7-1 Modoc edge of meadow Forestdale Comment
  UC748416  Taraxia subacaulis Annie M. Alexander and Louise Kellogg 1946-6-26 4831 Modoc Dismal Swamp north end of Warner Mountains 2255 Comment
  SBBG33670  Taraxia tanacetifolia T. L. Secrest 1951-6-22 Modoc Warner Mtns? Comment
  UC1523787  Taraxia tanacetifolia Lisa Janio 1981-7-30 48 Modoc n Canby (edge of drying reservoir); Loveness Road Pond 1524 Comment
  UCD107059  Taraxia tanacetifolia P. Quentin Tomich 1954-7-13 439 Modoc Tionesta. Comment
  RSA34819  Tetradymia canescens Roxana S. Ferris, Laura Lorraine 1941-8-14 10599 Modoc 5 1/2 mi from Patterson Ranger Station on Eagleville Road. Modoc National Forest. Warner Mtns. Comment
  CDA8929  Tetradymia glabrata Loring White 1960-5-17 Modoc 12 miles southeast of Eagleville. 0 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
  NY496093  Thalictrum fendleri C. L. Hitchcock 1940-5-27 6704 -a Modoc Along stream; 15 miles northeast of Alturas 1615.4 Comment
  NY215490  Thelypodium flexuosum B. M. Bartholomew 1989-4-29 4704 Modoc Sand Creek, E side of Surprise Valley, ca 10 km E of Cedarville. 426.7 Comment
  CAS-BOT-BC95076  Thelypodium milleflorum Bruce Bartholomew 1993-6-13 6632 Modoc Near Fortynine Creek, E of Cedarville on E side of Surprise Valley. 1400 Comment
  SEINET4853764  Thermopsis argentata Milo S. Baker 1894-8-14 s.n. Modoc Big Valley Mountains. Comment
  CAS-BOT-BC181793  Thermopsis californica var. argentata Bruce Bartholomew; Barrett Anderson 1989-6-3 4902 Modoc ca. 5 km NW of Egg Lake and ca. 0.8 km W of Service Flat Gulch. 1370 Comment
  CAS-BOT-BC181799  Thermopsis californica var. argentata Milo Samuel Baker; Franklin P. Nutting 1894-6-1 s.n. Modoc Forestdale. Comment
  CAS-BOT-BC181801  Thermopsis californica var. argentata Milo Samuel Baker June 12 s.n. Modoc Forestdale. Comment
  JEPS114433  Thermopsis californica var. argentata Lowell Ahart, John Dittes 2008-8-26 15333 Modoc On the sides of an unnamed road, 200 feet east of intersection with County Road 85a, 9.3 miles (air) north-northeast of Lookout 1276 Comment
  UC1037240  Thermopsis californica var. argentata Leo Whitney 1935-6-2 3177 Modoc near White Horse; White Horse Lake (flat) Comment
  UC54938  Thermopsis macrophylla var. argentata Milo S. Baker 1899-8-14 Modoc Forestdale (Egg Flat) Comment
  CAS-BOT-BC95086  Thlaspi arvense Bruce Bartholomew; Barrett Anderson 1989-6-1 4751 Modoc ca. 0.5 km W of Davis Creek on road to S end of Goose Lake. 1460 Comment
  CDA3891  Thlaspi arvense T. C. Fuller 1958-7-8 1936 Modoc Corporation Ranch, Likely. 0 Comment
  JEPS54048  Thlaspi arvense J. L. Chase Aug 1913 Modoc Adin Comment
  RSA603593  Thlaspi arvense L. C. Wheeler 1935-8-10 3818 Modoc Dismal Swamp, Twenty Mile Creek. Warner Mtns. 2226 Comment
  UCD93229  Torreyochloa pallida var. pauciflora R. Tofsrud 1947-7-1 252 Modoc 5 miles west of Ft. Bidwell. Comment
  RSA474744  Tragopogon porrifolius George Willet 1935-6-9 s.n. Modoc Eagleville. Comment
  CAS-BOT-BC245223  Tribulus terrestris Bruce Bartholomew 1989-8-10 5037 Modoc Little Hot Spring Valley, 3.2 km NW of Day. 1070 Comment
  CHSC14071  Trichostema oblongum K. R. Stern; D. B. Joley, J. G. Geschke 1974-6-22 5824 Modoc W side of Egg Lake. 1295 Comment
  UC26036  Trichostema oblongum Milo S. Baker 1893-7-24 Modoc Egg Lake Comment
  CAS-BOT-BC181792  Trifolium andersonii var. andersonii Elmer Ivan Applegate 1897-6-7 900 Modoc Clear Lake. Comment
  CHSC107377  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, 10 miles (air) east of Lookout, Big Valley. 1264 Comment
  CHSC117567  Trifolium cyathiferum Lowell Ahart; John Dittes 2016-7-14 21172 -A Modoc West side of a new pond, south of Ash Creek Canal (now filled in), south of Ash Creek, Ash Creek State Wild life Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. 1273 Comment
  CAS-BOT-BC181775  Trifolium gymnocarpon var. plummerae Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-10 6471 Modoc 1.6 km NE of Fee Reservoir Road on Barrel Spring Road, N end of Surprise Valley. 1600 Comment
  JEPS17729  Trifolium kingii var. productum Rimo Bacigalupi with G. T. Robbins 1955-7-20 5391 Modoc 3.3 mi e Patterson Ranger Station; Warner Mtns, southern end, Modoc Ntional Forest 2225 Comment
  NY802649  Trifolium kingii var. productum M. Bourell 1993-8-15 5273 Modoc South Warner Wilderness Area. Warner Mountains. Along trail from Patterson Lake to ca. 2 miles north toward Pepperdine Trailhead 2438 Comment
  UC748302  Trifolium kingii var. productum Annie M. Alexander and Louise Kellogg 1946-6-25 4821 Modoc Dismal Swamp Warner Mtns (n end of mtns) 2255 Comment
  CAS-BOT-BC181746  Trifolium longipes Robert J. Weatherby 1955-7-7 1604 Modoc Dismal Swamp. 2240 Comment
  CAS-BOT-BC181748  Trifolium longipes E. S. Willits 1940-5-17 263 Modoc Willow Ranch. Comment
  JEPS33201  Trifolium longipes var. hansenii Frances D. Payne 1931-6-25 249 Modoc 2 mi sw Warren Mtns (Pine Creek Basin) 2316 Comment
  CAS-BOT-BC181728  Trifolium macrocephalum Bruce Bartholomew; Barrett Anderson 1988-5-13 4148 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
  CAS-BOT-BC181735  Trifolium macrocephalum Roxana Stinchfield Ferris; R. Duthie 1919-6-15 132 Modoc Hills above Parker Creek. Comment
  SJSU7631  Trifolium macrocephalum H. L. Buckalew 1961-6-23 Modoc near Stowe Reservoir c. 2 mi N of Cedar Pass on Alturas-Cedarville Rd, Warner Mts Comment
  UCR87512  Trifolium macrocephalum George K. Helmkamp, E. A. Helmkamp 1993-5-4 s.n. Modoc 25.6 miles NW of Canby along Calif. Hwy 139 1280 Comment
  CAS-BOT-BC181726  Trifolium macrocephalum Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-14 16476 Modoc N of Davis Creek at junction of Sugar Hill Lookout road and one to Ft. Bidwell. Comment
  SD225771  Trifolium macrocephalum Carol Witham, Jennifer Buck 2001-5-10 200 Modoc 5 mi NE along Hwy 139 from its intersection with Hwy 299, south of Hwy 139, Canby site Comment
  CAS-BOT-BC181755  Trifolium productum Elmer Ivan Applegate 1932-8-5 8173 Modoc Cedar Mountain, Warner Mts. Comment
  HSC100119  Trifolium repens M. T. Milligan 1966-6-14 457 Modoc N end of Jess Valley 1616 Comment
  NY717613  Trifolium variegatum B. M. Bartholomew 1990-6-15 5211 Modoc Kelly Spring, 5.5 km SSE of Highway 299 on road from Rush Creek 1640 Comment
  SEINET7073590  Trifolium willdenovii 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
  CAS-BOT-BC180157  Trifolium wormskioldii Alice Eastwood; John Thomas Howell 1940-6-12 8038 Modoc Likely. Comment
  CAS-BOT-BC180160  Trifolium wormskioldii Bruce Bartholomew; Barrett Anderson 1990-7-20 5540 Modoc Buck Creek between Del Pratt Spring and Howard Flat, W side of Warner Mts. 1990 Comment
  UC555376  Trifolium wormskioldii F. H. Frost 1925-7-12 8 Modoc 2 mi above Cedarville (Cedar Canyon); Warner Mtns Comment
  CAS-BOT-BC498752  Trifolium wormskioldii L. S. Smith 1922-7-20 1286 Modoc Modoc Forest, Rush Creek, R.S. pasture 1905 Comment
  UC1191485  Trifolium wormskioldii Herbert L. Mason and Verne Grant 1947-7-12 13437 Modoc n Likely (Corporation Ranch Headquarters) Comment
  RSA59870  Triglochin maritima E. K. Balls 1950-5-10 14604 Modoc Below Menlo Baths, west shore Lower Alkali Lake. 1402 Comment
  CAS-BOT-BC193532  Trisetum spicatum Elmer I. Applegate 1932-8-3 8115 Modoc Crest of Warner Mountains just north of Eagle Peak Comment
  CAS-BOT-BC252535  Trisetum spicatum Leland S. Smith 1918-7-14 994 Modoc Mill Creek, Eagle Peak. 2133 Comment
  JEPS70748  Trisetum spicatum Leland S. Smith 1918-7-14 994 Modoc Mill Creek; Modoc Forest, Eagle Peak 2133 Comment
  CAS-BOT-BC242152  Triteleia hyacinthina K. Paulson; Robert Paulson 1989-6-21 139 Modoc Vicinity of N Fork of Fitzhugh Creek, W side of the Warner Mts. 1493 Comment
  CAS-BOT-BC242153  Triteleia hyacinthina K. Paulson; Robert Paulson 1988-6-19 41 Modoc W of Cranby Bridge. 1310 Comment
  CAS-BOT-BC242159  Triteleia hyacinthina Bruce Bartholomew; Barrett Anderson 1990-7-19 5438 Modoc Sweagert Flat. 1860 Comment
  HSC26555  Triteleia hyacinthina D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19500 Modoc Big Valley Summit, 6 mi. W of Adin on Hwy. 299 Comment
  UC1133919  Triteleia hyacinthina R. C. Wilson 1933-6-27 55 Modoc Tom's Creek Canby Quad., Tom's Creek Comment
  HSC3043  Triteleia hyacinthina M. T. Milligan 1964-7-25 193 Modoc 1.0 mi. E of Weber Salt Camp on Pine Creek Rd. 2134 Comment
  CAS-BOT-BC58562  Turritis glabra Bruce Bartholomew; Barrett Anderson 1990-7-20 5466 Modoc 4 km N of Buck Creek Ranger Station at turn off to Del Prat Spring, W side of Warner Mts. 1900 Comment
  CAS-BOT-BC58564  Turritis glabra Bruce Bartholomew 1989-7-14 4947 Modoc ca. 8 km NE of Egg Lake and 2.5 km E of Survice Gulch. 1340 Comment
  CAS-BOT-BC242293  Typha latifolia Bruce Bartholomew 1989-8-10 5035 Modoc Little Hot Spring Valley, 3.2 km NW of Day. 1070 Comment
  UC1241778  Typha latifolia Verne Grant and Irving Schneider 1947-7-20 8101 Modoc North Fork of Pitt River by Dorris Bridge near Alturas; North Fork of Pitt River Comment
  UC70009  Typha latifolia Mrs. M. H. Manning 1903-5 432 Modoc north-eastern Modoc County Comment
  RSA603739  Utricularia macrorhiza Louis C. Wheeler 1935-9-29 4012 Modoc Two miles south of Alturas 1357 Comment
  CAS-BOT-BC95303  Vaccaria hispanica John Thomas Howell 1934-6-16 12206 Modoc Parker Creek, Warner Mts. 1584 Comment
  CAS-BOT-BC95305  Vaccaria hispanica Belknap C. Goldsmith 1912-8-23 67 Modoc Near Alturas. 1341 Comment
  CDA3536  Vaccaria hispanica T. R. Haig 1974-7-18 Modoc Surprise Valley Road, 2 miles north of Cedarville. 0 Comment
  CDA3538  Vaccaria hispanica T. C. Fuller 1958-7-8 2026 Modoc Davis Creek. 0 Comment
  RSA611389  Vaccaria hispanica L. C. Wheeler 1935-8-6 3800 Modoc 1/2 mile S Pine Creek (town). 1494 Comment
  RSA8230  Vaccinium Elmer I. Applegate 1932-8-6 8209 Modoc About a mile above Lily Lake, Bidwell Pass, Warner Mountains. Comment
  CAS-BOT-BC95706  Vaccinium cespitosum Belknap C. Goldsmith 1911-6-15 36 Modoc North Fork Davis Creek. 2011 Comment
  POM229171  Vaccinium cespitosum L. C. Wheeler 1935-8-8 3811 Modoc N Fork Bidwell Creek, Warner Mts. 2378 Comment
  UCD118061  Vaccinium membranaceum Loren Gehrung 1996-9-6 176 Modoc Modoc National Forest. Northern Warner Mts. North Fork Davis Ck. 1889 Comment
  CAS-BOT-BC245379  Valeriana californica Francis Dorris Payne 1929-7-1 63 Modoc Pine Creek Basin, Warner Mountains. 2133 Comment
  CAS-BOT-BC245386  Valeriana californica Bruce Bartholomew; Barrett Anderson 1988-7-22 4519 Modoc NE side of Patterson Meadow, southern end of the Warner Mts.. 2180 Comment
  CAS-BOT-BC245388  Valeriana californica Louis Cutter Wheeler 1935-8-3 3755 Modoc Dismal Swamp, Warner Mountains. Comment
  CHSC111993  Valeriana californica B. Castro; L. P. Janeway 2008-8-17 1754 Modoc Warner Mountains. North slope of Bald Mountain; mid-slope not far above last row of trees. 2319 Comment
  JEPS9210  Valeriana californica Frances D. Payne 1929-7-1 63 Modoc Pine Creek Basin 2133 Comment
  RSA433756  Valeriana capitata subsp. californica Louis C. Wheeler 1935-8-3 3755 Modoc Dismal Swamp, Twenty Mile Creek, Warner Mts. 2226 Comment
  CDA20820  Ventenata dubia D. Hickson 2006-6-22 s.n. Modoc Modoc Plateau; On basalt table S of Pine Creek. Approx 0.75 mi ENE of parking lot for Pine Creek Reservoir on Pine Creek Wildlife Area. Comment
  HSC100178  Ventenata dubia J. P. Smith 2011-8-7 13360 Modoc Along Hwy. 299 E of Canby. 1363 Comment
  UC71761  Veratrum californicum var. californicum Mrs. M. H. Manning Jul 1903 194 Modoc Mt. Bidwell Mt. Bidwell (ne Modoc County) Comment
  CAS-BOT-BC245477  Veronica americana Robert Folger Thorne; C. W. Tilforth 1969-9-5 39163 Modoc Clear Lake. 1767 Comment
  RSA252395  Veronica americana Robert F. Thorne, C. W. Tilforth 1969-9-5 39163 Modoc Modoc National Forest, Warner Mountains, Clear Lake. 1768 Comment
  SBBG30533  Veronica americana D. Myrick 1968-6-20 1973 Modoc E side of Cedar Pass, St Hwy 299, 20 mi E of Alturas 1676 Comment
  UC672507  Veronica americana