Search Results — 2000 specimen records retrieved (1485 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC73549  Abies concolor Francis D. Payne 1932-6-12 540 Modoc Dry Creek Canyon, Warner Mts. 1645 Comment
  CAS-BOT-BC73550  Abies concolor Francis D. Payne 1932-7-3 678 Modoc Parker Creek 1584 Comment
  CAS-BOT-BC15631  Achillea millefolium Roxana Stinchfield Ferris; R. Duthie 1919-6-15 159 Modoc Parker Creek. Comment
  CAS-BOT-BC15675  Achillea millefolium Bruce Bartholomew 1990-6-18 5363 Modoc S side of Goose Lake, ca. 5 km SSE of McGinty Point. 1400 Comment
  CAS-BOT-BC242286  Achnatherum Leland S. Smith 1924-5-31 1352 Modoc S of field, Egg Lake Ranch. Comment
  CDA28104  Achnatherum lemmonii L. White & H. T. Osborne 1957-6-27 Modoc 1/4 mile west of Cedar Pass, 3 miles west of Cedarville. Comment
  UC1024860  Achnatherum lemmonii Leo Whitney 1935-6-1 3170 Modoc 1 mi sw White Horse Comment
  UCD50502  Achnatherum lemmonii L. Whitney 1935-6-9 3210 b Modoc White Horse. Modoc County. Comment
  RSA163808  Achnatherum lemmonii var. lemmonii Clare B. Hardham 1961-6-18 7552 Modoc Slopes, Hills, East side of Cedar Pass 1829 Comment
  UCD50901  Achnatherum occidentale August L. Hormay 1932-7-14 s.n. Modoc DD plot site, Modoc National Forest. Comment
  UC711840  Achnatherum occidentale subsp. californicum Roxana S. Ferris and Laura Lorraine 1941-8-13 10533 Modoc East Creek drainage, Patterson Ranger Station Warner Mountains, Modoc National Forest 2164 Comment
  CHSC79429  Achnatherum occidentale subsp. pubescens Beecher Crampton 1954-7-6 2114 Modoc Road 56, following Shields Creek into Warner Mountains, 22 miles east of Alturas. Comment
  UC1025059  Achnatherum occidentale subsp. pubescens Leo Whitney 1935-7-30 3573 Modoc Devil's Garden Modoc National Forest 1524 Comment
  UCD32714  Achnatherum thurberianum Beecher Crampton 1954-7-7 2146 Modoc Modoc County, 3 miles west of Cedarville, east side of Cedar Pass, on volcanic slopes. 1097 Comment
  SBBG128893  Acmispon americanus var. americanus L. Ahart 2008-8-25 15302 Modoc W bank (flood plane) of the Pit River, ca. 1/8 mi E of County Rd 91, ca. 3.8 mi (air) NNE of Lookout 1273 Comment
  CHSC117501  Acmispon denticulatus Lowell Ahart; John Dittes 2016-7-14 21170 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-BC218306  Aconitum columbianum Barrett Anderson 1986-7-10 3198 Modoc West Warner Rd at the North Fork of Pine Creek. 1935 Comment
  NY483173  Aconitum columbianum subsp. columbianum B. M. Bartholomew 1990-7-20 5498 Modoc Tamarack Flat, east side of Warner Mountains. 2150 Comment
  CAS-BOT-BC218319  Actaea rubra Leland S. Smith 1920-9-15 1104 Modoc E side of Round Valley. 1432 Comment
  UC8852  Actaea rubra Milo S. Baker 1893-6 Modoc Comment
  CAS-BOT-BC15642  Adenocaulon bicolor Bruce Bartholomew 1994-7-2 6783 Modoc 5.0 km SE of Joseph Creek Basin on the W side of the Warner Mountains. 1930 Comment
  UC29324  Adenocaulon bicolor Milo S. Baker 1893-6 Modoc along timbered mt. stream Comment
  CHSC116076  Adonis aestivalis Lowell Ahart; John Dittes 2015-7-16 20388 Modoc North edge of Assh Creek (destroyed), southeast of gravel pit (destroyed), about 1/8 mile east of parking area on east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  JEPS94590  Adonis aestivalis Vernon H. Oswald, Beth Corbin and Gary Schoolcraft 1993-5-17 8463 Modoc Bushey Rd. on n side of river s Canby Bridge; Pit River 1280 Comment
  UC26065  Agastache parvifolia Milo S. Baker 1893-6 Modoc Egg Lake Shore; on Egg Lake Shore Comment
  UC26073  Agastache parvifolia Milo S. Baker 1893-6 Modoc Egg Lake Shore; on Egg Lake Shore Comment
  HSC14192  Agastache urticifolia M. T. Milligan 1965-6-27 369 Modoc E slope of eroded volcanic plateau. 1677 Comment
  HSC81110  Ageratina occidentalis G. M. Riegel 1979-7-30 620 Modoc S Warner Mtns. 640 Comment
  JEPS6012  Ageratina occidentalis Frances D. Payne 1933-8-6 774 Modoc 2 mi sw Warren Mt. (se Modoc County); Pine Creek Basin 2316 Comment
  CAS-BOT-BC23035  Agoseris grandiflora var. grandiflora John Thomas Howell 1934-6-13 12079 A Modoc Fandango Pass, Warner Mts. 1828 Comment
  CAS-BOT-BC242303  Agropyron cristatum James D. Jokerst 1983-7-27 1914 Modoc Near Signal Butte. 1248 Comment
  UCD51682  Agropyron cristatum B. L. Kay 1957-6-1 s.n. Modoc Modoc County. Comment
  CHSC85179  Agropyron desertorum John Dittes; Josephine Guardino 1991-7-21 433 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
  SDSU728  Agropyron inerme D. F. Howe 1966-8-25 4299 Modoc Fandango Pass, Warner Mts. 1859 Comment
  CHSC110903  Agrostis exarata Lowell Ahart; John Dittes 2012-7-11 18347 Modoc 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
  POM229179  Agrostis exarata L. C. Wheeler 1935-8-16 3873 Modoc Warner Mountains: Dismal Swamp, Twenty Mile Creek. 2226 Comment
  UC1025052  Agrostis exarata Leo Whitney 1935-7-24 3590 Modoc ca 15 mi nw Canby (Lake Joaquinna, Hackamore); Modoc National Forest, Lake Joaquina, Hackamore 1463 Comment
  CAS-BOT-BC139099  Agrostis pallens John Thomas Howell 1934-7-3 12377 Modoc 5 miles south of Hackamore. Comment
  UCD53148  Agrostis pallens A. A. Jordan 1934-9-11 s.n. Modoc Alturas. Comment
  UCD53623  Agrostis stolonifera Beecher Crampton 1954-7-6 2086 Modoc along US Hwy. 395, 4 miles north of Likely. Comment
  CHSC30527  Agrostis variabilis N. E. H. Prouty 1979-8-4 95 .2 Modoc SW corner of Medicine Lake. 2011 Comment
  CAS-BOT-BC190681  Aliciella micromeria Bruce Bartholomew 1995-5-13 6902 Modoc E of Eagleville near Eagleville Airport, S end of Surprize Valley. 1390 Comment
  CHSC117257  Alisma triviale Lowell Ahart; John Dittes 2016-7-14 21200 Modoc Strand 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
  RSA0011494  Alisma triviale Robert F. Thorne, Larry E. DeBuhr 1975-8-22 46969 Modoc North edge of Likely along south fork of Pit River 1357 Comment
  CAS-BOT-BC245009  Allium acuminatum Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16383 Modoc 5 mi. E of 299 along Cedar Pass road. Comment
  CAS-BOT-BC245016  Allium acuminatum Milo Samuel Baker 1936-6-13 8327 Modoc W entrance to Cedar Pass. Comment
  UC1178813  Allium acuminatum Herbert L. Mason 1947-7-8 13321 Modoc Cedar Pass, summit of Warner Mountains Warner Mountains, Cedar Pass 1921 Comment
  JEPS47577  Allium acuminatum F. H. Frost 1925-7-12 65 Modoc Stow's Meadow Cedar Canyon, Stow's Meadow Comment
  SEINET256828  Allium acuminatum M. J. Williams 1984-1 Modoc 0 Comment
  SJSU9707  Allium acuminatum W. Savage 1979-7-10 1525 Modoc Oregon Rim Unit, Devils Garden District, Modoc National Forest 1645 Comment
  UCD141839  Allium amplectens L. K. Mann; M. D. Mann 1963-6-18 s.n. Modoc 4.6 miles north of Adin toward Alturas. Comment
  UCD141842  Allium amplectens L. K. Mann; M. D. Mann 1963-6-18 s.n. Modoc 4.6 miles north of Adin toward Alturas. Comment
  CAS-BOT-BC244996  Allium bisceptrum var. bisceptrum Isabelo T. Kelly 1930-1-1 13 Modoc Buck Creek. Comment
  CHSC118295  Allium geyeri var. tenerum L. P. Janeway 2016-5-17 12038 Modoc Modoc Plateau. Devils Garden area; where Reoad 45N06 crosses Logans Slough; about 3.2 air-km morth of Big Sage Reservior. 1494 Comment
  CAS-BOT-BC244983  Allium lemmonii K. Paulson; Robert Paulson 1988-6-11 33 Modoc North of Stough Reservoir, Warner Mts.. 2011 Comment
  UCR267414  Allium parvum Jim Andre, Glenn L. Clifton 1993-6-12 29994 Modoc Warner Mountains, Cedar Pass, Hwy 299, Modoc National Forest 1919 Comment
  CAS-BOT-BC244963  Allium platycaule M. M. Hanna 1956-6-3 940 Modoc Cedar Pass. Comment
  RSA17437  Allium platycaule Elmer I. Applegate 1932-8-1 8060 Modoc Summit of the Warner Mountains, at south base of Warren Peak. Comment
  UC1249381  Allium platycaule Arthur Cronquist, Arthur H. Holmgren 1959-6-20 8523 Modoc between Cedarville and Alturas; Warner Mts., Cedarville Pass 1950 Comment
  UC635212  Allium platycaule R. C. Wilson 1933-5-30 93 Modoc Rush Creek 1432 Comment
  UC843416  Allium platycaule C. L. Hitchcock 1940-5-27 6667 Modoc 15 mi ne Alturas 1615 Comment
  UCR267413  Allium platycaule Jim Andre, Glenn L. Clifton 1993-6-12 29995 Modoc Warner Mountains, Cedar Pass, Hwy 299, Modoc National Forest 1919 Comment
  SEINET12048097  Allium platycaule Unknown 1945-1 43 Modoc grown at Pullman, WA, Cedar Pass to Cedar Peak, Warner Mts., E of Alturas Comment
  SEINET3878894  Allium platycaule D. W. McNeal 1980-6-2 2341 Modoc On a hillside above Hwy #395, 9.7 mi S of Davis Creek.; 0 Comment
  UC725720  Allium platycaule A. A. Heller 1941-6-25 16207 Modoc Cedar Pass 1935 Comment
  CAS-BOT-BC190744  Allophyllum integrifolium Bruce Bartholomew; Barrett Anderson 1988-7-22 4538 Modoc Side Creek, W side of Lake City Canyon, E side of the Warner Mts.. 1980 Comment
  HSC8874  Alopecurus aequalis M. T. Milligan 1966-6-30 510 Modoc Slopes and ridges E of Jess Valley 1768 Comment
  UC1254974  Alopecurus aequalis Alice Eastwood and John Thomas Howell 1940-6-12 8088 a Modoc Jess Valley 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
  JEPS101109  Alopecurus pratensis Dean Wm. Taylor with Glenn L. Clifton 1992-5-7 12529 Modoc 0.5 mile E of Duncan Reservoir, on hillside on western rim of Black Canyon 1524 Comment
  RSA554806  Alyssum desertorum Margaret J. Williams 1988-6-2 s.n. Modoc Hwy 395 0.4 mile E of Susanville road after turn to Alturas. [Lassen county] Comment
Read comments
Jun 24 2009
  SEINET10904353  Alyssum desertorum Paul Gallian, David B. Dunn 1971-6-3 Gallian 525 Modoc 5 mi s canby on state hwy 299, lupinus heavily carpeting hillsides of large basaltic boulders, sparse juniper-artemesia, purshia, poa assoc. 1280 Comment
  CDA36738  Amaranthus blitoides Richard R. Halse 2010-9-2 8110 Modoc Warner Mountains; Modoc National Forest; along State Hwy 299 ca 2.8 miles west of Cedarville by the Cedar Creek Lower Trailhead. Comment
  CHSC117243  Amaranthus californicus Lowell Ahart; John Dittes 2016-7-16 21253 Modoc Strand of the second pond, south of Ash Creek Canal (now filled in), south of Ash Creek, Ash Creek State Wildlife Area, 0.79 miles (air) south of County Road 87, 1.75 miles (air) west of Adin, Big Valley. 1273 Comment
  CHSC115592  Amaranthus powellii Lowell Ahart; John Dittes 2015-7-16 20382 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
  RSA453135  Amelanchier pallida Christopher Davidson 1975-6-3 2588 Modoc Hwy 395N of Alturas, E of Goose l. 1 miles S of Willow Ranch. 1341 Comment
  CAS-BOT-BC214633  Amelanchier utahensis A. D. Borden 1911-8-9 s.n. Modoc Mall place, S side of Shield 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
  UC914261  Amelanchier utahensis Verne Grant and Alva Grant 1947-7-8 8006 Modoc Cedar Pass; Warner Mts. Comment
  CHSC100112  Amphiscirpus nevadensis L. P. Janeway; B. Castro 2008-8-16 9544 Modoc Modoc Plateau. Surprise Valley; east side of Middle Alkali Lake, south side of Hwy 299 10.5 km east of Cedarville. 1378 Comment
  CHSC85172  Amsinckia menziesii John Dittes; Josephine Guardino 1991-7-21 393 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
  JEPS127306  Amsinckia menziesii Lowell Ahart, John Dittes 2016-7-14 21159 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
  UC748453  Amsinckia menziesii var. menziesii Annie M. Alexander and Louise Kellogg 1946-6-12 4727 Modoc one mi e Lake City 1414 Comment
  CAS-BOT-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-BC15608  Ancistrocarphus filagineus Bruce Bartholomew; Barrett Anderson 1989-6-2 4801 Modoc 6.4 km E of Fort Bidwell on road to Fee Reservoir, NE corner of Surprise Valley. 1460 Comment
  OBI47986  Antennaria dimorpha Rhonda Riggins 1989-4-28 1670 Modoc 6.9 mi N of Hwy 395 E of Alturas on road to Raker and Thomas Reservoir (continuation of Pencil Rd) 1524 Comment
  CAS-BOT-BC15555  Antennaria luzuloides Alice Eastwood; John Thomas Howell 1940-6-11 8010 Modoc 6 mi. NE of Adin on road to Canby. Comment
  CAS-BOT-BC15589  Antennaria luzuloides Ethel S. Willits 1940-5-4 209 Modoc Willow Ranch 1371 Comment
  CAS-BOT-BC15599  Antennaria luzuloides Arnold Tiehm 1984-6-30 8835 Modoc NW side of Bidwell Mt., 2.2 road mi. N of Eight Mile Creek on road from Annie. 1844 Comment
  CAS-BOT-BC58683  Antennaria luzuloides Mrs. R. M. Austin 1894-7-1 s.n. Modoc Goose Lake Valley Comment
  CHSC117048  Antennaria luzuloides subsp. luzuloides Lowell Ahart; John Dittes 2016-6-6 20949 Modoc About 40 yards west of the dirt road, about 50 yards southwest of the intersection of County Road 87 and Access Road to Pilot Butte Parking Area, northeast base of Pilot Butte, 3.8 miles (air) east of Lookout, 7.5 miles (air) west of Adin, Ash Creek State Wildlife Area. 1271 Comment
  POM229952  Antennaria rosea L. C. Wheeler 1935-8-8 3808 Modoc Warner Mountains: N Fork Bidwell Creek. 2378 Comment
  SEINET195645 Image available Antennaria rosea Annie Alexander, Louise Kellogg 1946-6-27 4847 Modoc North end of Warner Mtns 2377 Comment
  CAS-BOT-BC15563  Antennaria rosea subsp. rosea Louis Cutter Wheeler 1935-8-8 3808 Modoc N Fork Bidwell Creek. 2377 Comment
  HSC81142  Antennaria rosea subsp. rosea G. M. Riegel 1978-8-2 273 Modoc South Warner Mountains; 1829 Comment
  CAS-BOT-BC15564  Antennaria umbrinella Robert Patterson; Mona Bourell 1993-8-15 5278 Modoc Warner Mountains. Along trail from Patterson Lake to ca. 2 mi north towards Pepperdine Trailhead. 2743 Comment
  CHSC85148  Apera interrupta John Dittes; Josephine Guardino 1991-7-21 400 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
  HSC65591  Apocynum androsaemifolium Thomas Wood 1979-8-9 226 Modoc Dirt rd. along Bidwell Creek, 2.7 mi. NW of junction with Co. Hwy. 2, N of Ft. Bidwell 1509 Comment
  UC22911  Apocynum androsaemifolium Mrs. R. M. Austin Aug. 1894 Modoc Lassen Creek Comment
  UCD121284  Apocynum androsaemifolium J. P. Smith; J. O. Sawyer 1973-8-9 7261 Modoc Modoc National Forest, around shore of Blue Lake. 1828 Comment
  SD61027  Apocynum androsaemifolium Darley F. Howe 1964-8-3 3928 Modoc 34 miles north of Alturas on #395. 1402 Comment
  UC1125881  Aquilegia formosa R. C. Wilson 1933-7-6 57 Modoc n Roney Flat; Canby quad, Modoc National Forest 1432 Comment
  UC748392  Aquilegia formosa Annie M. Alexander and Louise Kellogg 1946-7-7 4944 Modoc edge of Eight Mile Creek 1752 Comment
  NY485762  Aquilegia formosa M. S. Baker 1893-6-29 s.n. Modoc Comment
  SEINET3899867  Arabis puberula Reed C. Rollins, Kathryn W. Rollins 1981-6-1 81192 Modoc Warner Mountains, 3.3 miles west of Lake City.; 0 Comment
  UC1504492  Arabis puberula Reed C. Rollins and Kathryn W. Rollins 1981-6-1 81192 Modoc 3.3 mi w Lake City; Warner Mountains Comment
  HSC81063  Arabis suffrutescens G. M. Riegel 1980-8-25 1106 Modoc S Warner Mtns. 1739 Comment
  SEINET11987208  Arctostaphylos patula subsp. platyphylla W. Knight, Knight, I. 1981-1 4110 Modoc on White Horse Rd enroute to Egg Lake from Lookout 1250 Comment
  UC748050  Arenaria congesta var. subcongesta Annie M. Alexander and Louise Kellogg 1946-6-10 4708 Modoc Lava bench between Lower Snake Lakes Comment
  JEPS123833  Arnica chamissonis Lowell Ahart, John Dittes 2015-7-17 20404 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
  JEPS35871  Arnica chamissonis Frances D. Payne 1931-6-29 295 Modoc e of Warren Peak; Owl Creek, Warner Mts. 2133 Comment
  CAS-BOT-BC15566  Arnica chamissonis subsp. foliosa Annie Montague Alexander; L. Kellogg 1946-7-13 4990 Modoc Cowhead Lake. Comment
  CAS-BOT-BC15567  Arnica chamissonis subsp. foliosa Annie Montague Alexander; L. Kellogg 1946-7-7 4926 Modoc Eight Mile Creek. 1752 Comment
  CAS-BOT-BC15570  Arnica chamissonis subsp. foliosa Bruce Bartholomew; Barrett Anderson 1990-7-21 5581 Modoc Homestead Flat, ca. 2.5 km E of Patterson Ranger Station, E side of Warner Mts. 2160 Comment
  CAS-BOT-BC15401  Arnica cordifolia Betty J. Hammerly 1941-6-20 36 Modoc Clear Lake 1767 Comment
  CAS-BOT-BC15415  Arnica cordifolia John Thomas Howell 1934-6-13 12064 Modoc Fandango Pass, Warner Mountains 1828 Comment
  HSC81146  Arnica cordifolia G. M. Riegel 1980-6-30 775 Modoc S Warner Mtns. 1670 Comment
  UCSB19713  Arnica cordifolia Hardham, Clare 1961-6-18 Modoc Cedar Pass 1828 Comment
  POM98603  Arnica cordifolia F. W. Peirson 1926-6-25 s.n. Modoc Small side canyon 1 mile east of summit of Warner Mountains on Cedarville Road. Comment
  CHSC118076  Arnica cordifolia var. cordifolia L. P. Janeway 2016-5-18 12077 Modoc Modoc Plateau. Devils Garden area; Island Meadow, along Road 47N08 2.1 road-km north of Road 73/181/47N09. 1606 Comment
  JEPS35867  Arnica longifolia W. L. Jepson 1918-8-13 7974 Modoc Eagle Peak Warner Mountains, Eagle Peak 3017 Comment
  UC468977  Arnica longifolia M. F. Gilman 519 Modoc canyons 1676 Comment
  POM229876  Arnica mollis L. C. Wheeler 1935-8-14 3855 Modoc Lily Lake, Pine Creek, Warner Mts. 2134 Comment
  CHSC107315  Arnica sororia Lowell Ahart; John Dittes 2011-6-21 17530 Modoc Moist meadow, on south edge of Ash Creek Floodplain, 1.8 miles (air) east of Elkins Lane, 1.2 miles (air) south of County Road 87, 2.5 miles (air) west of Adin, Big Valley. 1267 Comment
  JEPS118462  Arnica sororia Lowell Ahart, John Dittes 2011-6-21 17530 Modoc Moist meadow, on south edge of Ash Creek Floodplain, 1.8 miles (air) east of Elkins Lane, 1.2 miles (air) south of County Road 87, 2.5 miles (air) west of Adin, Big Valley 1267 Comment
  CAS-BOT-BC15300  Arnica sororia John H. Hatton 1911-6-23 156 Modoc Modoc County. 1706 Comment
  SJSU9608  Arnica sororia W. Savage 1979-7-7 1468 Modoc Triangle, Devils Garden District, Modoc National Forest 1493 Comment
  RSA210833  Artemisia arbuscula subsp. arbuscula R. F. Thorne, C. W. Tilforth, J. Henrickson 1969-9-4 39062 Modoc SW shore of Goose Lake N of McGinty Point 1448 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
  UC711824  Artemisia cana subsp. bolanderi Roxana S. Ferris and Laura Lorraine 1941-8-13 10566 Modoc about 1 mi e Patterson Ranger Station (East Creek); Modoc National Forest, Warner Mountains, East Creek Comment
  HSC4720  Artemisia douglasiana M. T. Milligan 1966-8-12 651 Modoc East of Jess Valley 1646 Comment
  UC75823  Artemisia douglasiana Milo S. Baker Modoc Forestdale Comment
  SEINET8253630  Artemisia ludoviciana Richard R. Halse 2006-8-4 6994 Modoc Modoc National Forest, Patterson Station Campground, ca. 15 air miles east of Likely, south end of the Warner Mountains. 2109 Comment
  CHSC111998  Artemisia ludoviciana subsp. incompta B. Castro; L. P. Janeway 2008-8-17 1747 Modoc Warner Mountains. North slope of Bald Mountain; at base, ca 280 ft S of USFS Rd 44N30 in eastern branches of upper S. Fork Mill Creek. 2267 Comment
  CHSC96351  Artemisia ludoviciana subsp. incompta Richard R. Halse 2006-8-4 6994 Modoc Modoc National Forest, Patterson Station Campground, ca. 15 air miles east of Likely, south end of the Warner Mountains. 2109 Comment
  CAS-BOT-BC15272  Artemisia ludoviciana subsp. ludoviciana Leland S. Smith 1917-7-24 117 Modoc Joseph Creek camp. 2072 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
  JEPS117359  Artemisia ludoviciana subsp. ludoviciana Lowell Ahart, John Dittes 2010-8-30 17051 Modoc About 10 yards west of the fence, south edge of the meadow, Ash Creek State Wildlife Area, 2,300 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley 1267 Comment
  UCR143213  Artemisia ludoviciana subsp. ludoviciana L. C. Wheeler 1935-8-14 3849 Modoc Warner Mtns., Lily Lake, Pine Creek 2073 Comment
  SJSU9685  Artemisia ludoviciana subsp. ludoviciana W. Savage 1979-7-26 1567 Modoc Round Willows Unit, Devils Garden District, Modoc National Forest 1584 Comment
  CDA19675  Artemisia tridentata G. D. Barbe 1991-8-27 4439 Modoc Modoc Plateau; Warner Mts 2316 Comment
  CHSC113987  Artemisia tridentata subsp. tridentata L. P. Janeway 2014-7-7 11448 Modoc Great Basin. Northwest edge of plateau overlooking Cow Head Lake; halfway between Cow Head Lake and Big Mud Lake; along an obscure dirt road 1.0 km north-northwest of Barrel Springs Road. 1670 Comment
  SEINET3397746  Artemisia tridentata subsp. vaseyana Unknown 1994-1 s.n. Modoc N. of Lookout Comment
  HSC80946  Asclepias cordifolia G. M. Riegel 1980-7-9 861 Modoc S Warner Mtns. 1670 Comment
  CAS-BOT-BC15661  Asclepias fascicularis Leland S. Smith 1925-7-1 1505 Modoc Happy Camp near Webb Flat. 1310 Comment
  UC105340  Asclepias fascicularis Mrs. R. M. Austin July 1894 Modoc Goose Lake Valley Comment
  CAS-BOT-BC497459  Asclepias speciosa B. Bartholomew 1995-7-31 7079 Modoc 1.6 km S of Foest Service road 30on US Hwy 395 along the N fork of the Pit River 1390 Comment
  RSA210834  Aster frondosus R. F. Thorne, J. Henrickson, C. W. Tilforth 1969-9-4 39073 Modoc East shore of Goose Lake at Willow Ranch 1433 Comment
  CAS-BOT-BC497207  Asteraceae Gladys L. Smith; Margaret Williams; Loring Williams; Charles Smith 1983-9-14 8390 Modoc About 2.5 mi upgrade on Fandango Pass from the E side Comment
  JEPS86084  Astragalus Wayne Roderick 1966-7-23 Modoc Warner Mountains 2133 Comment
  SJSU13943  Astragalus californicus N. A. Hopkins 1985-5-13 1272 Modoc by rd between Alturas & Cedarville, Warner Mts 1524 Comment
  CAS-BOT-BC218212  Astragalus curvicarpus var. curvicarpus Margaret J. Williams 1984-6-29 84- 74 -1 Modoc 4.8 mi. in on Fandango Pass road from Hwy 395. 1524 Comment
  CHSC112432  Astragalus curvicarpus var. curvicarpus Lowell Ahart; John Dittes, Todd Sloat 2013-6-8 18761 Modoc About 300 yards east of the Parking Area, east of the old barn, Ash Creek State Wildlife Area, about 3.9 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  CAS-BOT-BC182072  Astragalus filipes Gordon H. True 1964-6-3 1430 Modoc Surprise Valley, 10 mi. N of Cedarville. 1463 Comment
  JEPS54661  Astragalus filipes Mrs. R. M. Austin and Mrs. C. C. Bruce June 1898 Modoc Goose Lake , valley plains Comment
  NY658481  Astragalus filipes S. L. Welsh 2001-6-14 28159 Modoc Ca. 6 miles S of Alturas. Along Hwy. 395 Comment
  POM260293  Astragalus filipes C. L. Hitchcock 1940-5-27 6650 Modoc 9 miles northeast of Alturas. 1402 Comment
  UC13365  Astragalus filipes Mrs. R. M. Austin and Bruce June 1898 2208 Modoc Plains Goose Lake Valley Comment
  CAS-BOT-BC182068  Astragalus filipes Mrs. H. C. Cantelow 1940-5-31 3797 Modoc E of Canby. Comment
  HSC14515  Astragalus filipes M. T. Milligan 1964-6-20 58 Modoc 2 mi. N on Pencil Rd. from Hwy. 395 1372 Comment
  RSA303498  Astragalus filipes James R. Shevock 1972-5-20 1811 Modoc 17 miles So. of Alturas, Hwy 395. 1372 Comment
  SBBG30556  Astragalus gibbsii D. Myrick 1968-6-20 1964 Modoc eastern outskirts of Alturas 1332 Comment
  SJSU9653  Astragalus inversus W. Savage 1979-7-8 1488 Modoc N end Fairchild Swamp Unit, Triangle, Devils Garden Ranger District 1493 Comment
  UC13380  Astragalus inversus Milo S. Baker 1893-6 Modoc Lava Beds Comment
  SJSU13925  Astragalus malacus N. A. Hopkins 1985-5-13 1267 Modoc by Hwy 395 c. 30 mi S of Alturas Comment
  CAS-BOT-BC182048  Astragalus obscurus Bruce Bartholomew 1991-5-24 5740 Modoc Near NW side of Big Mud Lake and 2 km SW of Nevada State boundary. 1680 Comment
  NY677318  Astragalus obscurus B. M. Bartholomew 1993-5-13 6535 Modoc Just west of Mud Lake on road to West Valley Reservoir 1460 Comment
  CAS-BOT-BC182025  Astragalus purshii Alice Eastwood; John Thomas Howell 1940-6-14 8245 Modoc Between Mammoth Cave and Lava Beds Nat. Mon. Comment
  CAS-BOT-BC182027  Astragalus purshii Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-10 6466 Modoc Below Emerson Campground, E side of Warner Mountains. 1710 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-BC182024  Astragalus purshii J. F. Emmel 1968-7-16 84 Modoc NW slope of Mt. Bidwell, Warner Mts. Comment
  CAS-BOT-BC182038  Astragalus purshii Elmer Ivan Applegate 1936-7-4 10511 Modoc N slope of Caldwell Butte, Lava Beds National Monument. Comment
  UCD105210  Astragalus purshii B. L. Kay 1955-6-17 s.n. Modoc 2 miles northwest of Likely. Comment
  HSC14532  Astragalus purshii var. lagopinus M. T. Milligan 1966-6-19 468 Modoc Plateau W of Jess Valley 1829 Comment
  HSC71402  Astragalus purshii var. purshii J. P. Smith, J. O. Sawyer 1972-5-6 5266 Modoc Along Hwy. 299, 4 mi. W of Modoc County Rd. 58, E of Alturas 1494 Comment
  RSA415691  Astragalus purshii var. tinctus Christopher Davidson 1975-6-4 2599 Modoc 0.4 miles E of Hwy 395 on Hwy 299 toward Cedarville. 1380 Comment
  RSA60235  Astragalus purshii var. tinctus E. K. Balls 1950-5-13 14662 Modoc Goose Lake, east shore about Willow Ranch. 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
  UC13463  Astragalus purshii var. tinctus Mrs. R. M. Austin June, 1894 252 Modoc hills near Willow Creek; near Willow Creek Comment
  NY694435  Astragalus purshii var. tinctus Mrs. M. H. Manning 05 1907 715 Modoc Warner Range, east side Comment
  RSA0006856  Astragalus purshii var. tinctus H. D. Ripley, R. C. Barneby 1944-6-2 6037 Modoc Pine Creek, Warner Mts. 1585 Comment
  UC397280  Astragalus purshii var. tinctus Mrs. M. H. Manning May 1907 715 Modoc e side Warner Range Comment
  HSC81083  Astragalus whitneyi G. M. Riegel 1980-7-14 872 Modoc South Warner Mtn. 1829 Comment
  POM26817  Astragalus whitneyi R. M. Austin 1895-05 31 Modoc Goose Lake Valley. Comment
  RSA531338  Astragalus whitneyi Bruce Bartholomew, M. Bourell 1990-4-28 5202 Modoc 1.9 km SE of Rush Creek on road up Hunters Ridge. 1430 Comment
  UC13373  Astragalus whitneyi Mrs. R. M. Austin 1894-1 Modoc low hills around Goose Lake Goose Lake (Northern California) Comment
  NY696557  Astragalus whitneyi var. confusus B. M. Bartholomew 1990-6-17 5355 Modoc 11.3 km north of Buck Creek Ranger Station, a crest of the Warner Mountains 2130 Comment
  RSA60323  Astragalus whitneyi var. confusus E. K. Balls 1950-5-10 15964 Modoc 0.5 mi. p ast fork of Hwy 395 and road from Alturas to Cedarville. 1585 Comment
  CAS-BOT-BC181989  Astragalus whitneyi var. lenophyllus Edward Kent Balls 1950-5-18 14741 Modoc 1 mi. SW of Canby Bridge on Hwy. 299. 1341 Comment
  CAS-BOT-BC182020  Astragalus whitneyi var. lenophyllus Elmer Ivan Applegate 1932-8-1 8015 Modoc Warren Peak, Warner Mts. Comment
  SEINET948800  Astragalus whitneyi var. siskiyouensis Ira L. Wiggins, Dorothy B. Wiggins 1961-1 16525 Modoc Yellow Pine Forest 6.4 mi W of Canby Comment
  UCD105500  Astragalus whitneyi var. sonneanus Alan A. Beetle 1941-6-29 2835 Modoc Near summit of Mount Adin. Comment
  CAS-BOT-BC198675  Astragalus whitneyi var. whitneyi John Thomas Howell 1934-6-14 12142 Modoc Near Lost Lake, Warnter Mts. 2438 Comment
  POM103069  Atriplex argentea Mrs. R. M. Austin 1895-08 416 Modoc Goose Lake Comment
  CHSC106167  Atriplex patula var. obtusa Lowell Ahart; John Dittes 2010-8-31 17112 Modoc About 10 yards west of Elkins Lane, about 150 yards north of the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1274 Comment
  CDA2937  Atriplex rosea T. C. Fuller 1962-8-29 9483 Modoc Between road and canal of the South Fork of the Pit River, Pit River Ranch, ca. 5 miles north of Likeley. 0 Comment
  POM229214  Atriplex truncata L. C. Wheeler 1935-9-4 3941 Modoc McGinty Point, Goose Lake. 1463 Comment
  UCD149842  Balsamorhiza hirsuta Harry George 1967-6-15 s.n. Modoc Lookout. Comment
  RSA584726  Balsamorhiza serrata Bruce Bartholomew, Gilbert, Skog 1993-5-10 6469 Modoc 1.6 km NE of Fee Reservoir Road on Barrel Spring Road, N end of Surprise Valley 1600 Comment
  CAS-BOT-BC58632  Barbarea orthoceras Alice Eastwood; John Thomas Howell 1940-6-12 8069 Modoc Between Likely and Jess Valley. Comment
  CHSC85176  Barbarea orthoceras John Dittes; Josephine Guardino 1991-7-21 389 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
  HSC6577  Barbarea orthoceras M. T. Milligan 1964-7-25 181 Modoc Pine Creek Basin, along trail. 2439 Comment
  RSA0059626  Barbarea orthoceras Lowell Ahart, John Dittes 2011-6-21 17518 Modoc about 130 yards west of the fence, south edge of the meadow, Ash Creek State Wildlife Area, about 2,300 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  CHSC85175  Beckmannia syzigachne John Dittes; Josephine Guardino 1991-7-21 439 Modoc Modoc Plateau; Big Valley; Ash Creek Wildlife Area; ca. 5.7 air-miles northeast of Bieber, ca. 7.6 air-miles west of Adin, ca. 1.5 air-mile southeast of Pilot Butte summit; meadow at northern edge of Ash Creek Floodplain (Big Swamp) at southeast base of Pilot Butte. 1258 Comment
  CAS-BOT-BC54181  Berberis aquifolium var. repens Betty J. Hammerly 1941-6-20 31 Modoc Along banks of Clear Lake, S end of Warner Mts. 1767 Comment
  CAS-BOT-BC54224  Berberis aquifolium var. repens Betty J. Hammerly 1941-6-20 31 Modoc Along banks of Clear Lake, S end of Warner Mts. Comment
  CHSC118798  Berberis aquifolium var. repens L. P. Janeway 2015-8-9 11826 Modoc Warner Mountains. Near head of a northwest-facing bowl of a drainage of Coyote Creek where Road 39N06A crosses it; 0.8 road-km east of Road 39N06. 2088 Comment
  RSA604675  Bergia texana L. C. Wheeler 1935-8-22 3910 Modoc Devil's Garden: South Mt. Reservoir. 1524 Comment
  JEPS16042  Berula erecta Frank W. Peirson 1926-6-26 6903 Modoc Road from Alturas to Canby Comment
  CAS-BOT-BC497320  Betula glandulosa Annie M. Alexander; Louise Kellogg 1946-6-25 4819 Modoc Dismal Swamp, north end of Warner Mountains 2255 Comment
  CAS-BOT-BC54191  Betula occidentalis Bruce Bartholomew 1990-6-17 5294 Modoc Along Emerson Creek, 2.8 km SW of County Rd 1, E side of Warner Mts. 1600 Comment
  NY526328  Betula occidentalis J. T. Howell 1934-6-13 12095 Modoc Patterson Mill Road, Warner Mountains 1676.4 Comment
  UC615021  Betula occidentalis Beryl O. Schreiber 1934-6-11 1178 Modoc along creek <on> road to Patterson Mill Ranger Station; Warner Mountains, east Silver Creek Comment
  UCR57550  Bidens cernua R. D. Goeden 1989-8-23 28 Modoc Modoc National Forest, Clear Lake Road at Fletcher Creek. 1479 Comment
  CAS-BOT-BC15146  Bidens cernua var. cernua John Thomas Howell 1934-7-2 12354 Modoc Nigger Ben Spring, SE end of Clear Lake. Comment
  CAS-BOT-BC15147  Bidens cernua var. cernua Herbert Louis Mason; Verne Grant 1947-7-12 13431 Modoc South loop of west side road, north of Likely Comment
  CAS-BOT-BC15148  Bidens cernua var. cernua Robert Folger Thorne; J. Henrickson; C. W. Tilforth 1969-9-4 39117 Modoc N Fork of Pit River 3.4 mi. N of Alturas where crossed by Hwy 395. 1341 Comment
  CAS-BOT-BC218116  Bistorta bistortoides Bruce Bartholomew; Barrett Anderson 1988-7-22 4545 Modoc Benton Meadow, Warner Mts.. 2180 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
  CAS-BOT-BC15083  Blepharipappus scaber David D. Keck; J. Clausen 1919-6-13 72 Modoc 3 mi. NE of Willow Ranch, E of Goose Lake 1550 Comment
  CAS-BOT-BC15086  Blepharipappus scaber Roxana Stinchfield Ferris; R. Duthie 1919-6-13 72 Modoc 2 mi. above Modoc Nat. Forest Boundary on Parker Creek, Warner Mts. Comment
  CAS-BOT-BC15088  Blepharipappus scaber M. M. Hanna 1956-6-4 953 Modoc Alturas-Cedarville highway. Comment
  CHSC115499  Blepharipappus scaber L. P. Janeway 2014-7-8 11454 Modoc Modoc Plateau. East corner of Dry Creek Rim; along Road 47N08 (Corral Creek Road) 3.1 road-km north-northwest of Road 48 (along west edge of Goose Lake). 1650 Comment
  HSC2225  Blepharipappus scaber C. L. Hitchcock 1940-5-27 6670 Modoc 15 mi NE of Alturas 1616 Comment
  JEPS114489  Blepharipappus scaber Lowell Ahart, John Dittes 2008-8-25 15295 Modoc On the west side of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout 1273 Comment
  POM298280  Blepharipappus scaber D. D. Keck, Jens Clausen 1935-6-24 3711 Modoc 3 miles northeast of Willow Ranch, east of Goose Lake. 1555 Comment
  CAS-BOT-BC15084  Blepharipappus scaber R. M. Austin; C. C. (Mrs.) Bruce 1898-7-1 2322 Modoc Davis Creek. Comment
  CAS-BOT-BC15102  Blepharipappus scaber Gordon H. True 1964-6-3 1438 Modoc N Fork Pit River between Altura and Goose Lake. 1432 Comment
  CAS-BOT-BC15125  Blepharipappus scaber Milo Samuel Baker 1936-6-16 8353 Modoc Hwy 395 between Alturas and Likely. Comment
  RSA508244  Blepharipappus scaber F. R. Fosberg 1957-8-18 38851 Modoc Upper Rush Creek Camp Ground, northeast of Adin. 1600 Comment
  SEINET7379327 Image available Blepharipappus scaber M. J. Williams, A. Tiehm, J. Nachlinger 1988-6-2 88- 28 -4 Modoc Jess Valley, E of Likely, S of roadside rest. Comment
  JEPS90233  Boechera lemmonii Dean Wm. Taylor with Glenn L. Clifton 1989-8-5 10440 Modoc Warner Mountains, e face of Emerson Peak, Emerson Creek drainage Emerson Peak; Warner Mountains, Emerson Peak 2560 Comment
  CAS-BOT-BC95726  Boechera pauciflora Francis Marion Ownbey; Frederick Gustav Meyer 1940-7-1 2148 Modoc Cedar Peak, Warner Mts. Comment
  CAS-BOT-BC95727  Boechera pauciflora Annie Montague Alexander; L. Kellogg 1946-6-22 4817 Modoc Edge of Bidwell Creek, Warner Mts. Comment
  CAS-BOT-BC95728  Boechera pauciflora Margaret M. Hanna 1956-6-5 s.n. Modoc Cedar Pass Campground Comment
  UC922247  Boechera pauciflora Annie M. Alexander and Louise Kellogg 1946-7-1 4893 Modoc 0.5 mi e Bidwell Creek Road summit; Warner Mountains Comment
  CAS-BOT-BC100297  Boechera puberula John Thomas Howell 1934-6-11 11935 Modoc Parker Creek, Warner Mts. 1584 Comment
  CAS-BOT-BC100300  Boechera puberula Bruce Bartholomew 1992-5-15 6292 Modoc Along Sand Creek in hills on the E side of Surprize Valley, E the N end of Middle Alkali Lake. 1410 Comment
  CAS-BOT-BC35123  Boechera puberula E. S. Willits 1940-5-6 225 Modoc Davis Creek. Comment
  CAS-BOT-BC35124  Boechera puberula Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-11 6488 Modoc Near SE corner of Big Sage Reservoir, 5.3 km E of Crowder Flat Road. 1580 Comment
  SJSU9699  Boechera puberula W. Savage 1979-7-10 1535 Modoc Oregon Rim Unit, Devils Garden District, Modoc National Forest 1645 Comment
  UCD150423  Boechera puberula Harry A. George 1967-6-15 s.n. Modoc S. of Adin. Comment
  UC10097  Boechera sparsiflora Milo S. Baker 1893-6 Modoc Comment
  RSA166305  Boisduvalia macrantha Peter H. Raven, Otto T. Solbrig 1958-6-18 13330 Modoc Eastern outskirts of Lookout Comment
  UC2116  Bolboschoenus fluviatilis Milo S. Baker 1893-7-2 Modoc Egg Lake Comment
  CAS-BOT-BC15094  Brickellia grandiflora Louis Cutter Wheeler 1935-8-14 3847 Modoc Lily Lake, Warner Mountains, Modoc National Forest 2072 Comment
  CAS-BOT-BC15093  Brickellia microphylla E. S. Willits 1939-10-10 158 Modoc Surprise Valley. 1371 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
  UC1094382  Brodiaea coronaria subsp. coronaria R. C. Bacigalupi with S. Galen Smith 1957-6-27 5980 Modoc ca 9 mi nw Canby (along State Hwy 139) Comment
  RSA0049639  Brodiaea elegans subsp. elegans Dean Wm. Taylor 2012-6-19 21247 Modoc Mouth of Baggett Gulch (ca 3 air miles S of Canby), Modoc National Forest 1463 Comment
  CAS-BOT-BC242404  Bromus briziformis Margaret J. Williams 1969-1-1 s.n. Modoc Jess Valley. Comment
  CAS-BOT-BC242449  Bromus briziformis Bruce Bartholomew 1990-6-17 5305 A Modoc Vicinity of Emerson Camp near roadhead, E side of Warner Mts. 1750 Comment
  POM260302  Bromus briziformis C. L. Hitchcock 1940-5-27 6659 Modoc 9 miles northeast of Alturas. 1402 Comment
  CAS-BOT-BC242431  Bromus carinatus var. carinatus Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16435 Modoc 4 mi. E of Summit of Cedar Pass, along Cedar Pass road. Comment
  CAS-BOT-BC242439  Bromus carinatus var. carinatus Bruce Bartholomew; Barrett Anderson 1990-7-21 5575 Modoc Homestead Flat, ca. 2.5 km E of Patterson Ranger Station, E side of Warner Mts. 2160 Comment
  CAS-BOT-BC242441  Bromus carinatus var. carinatus Bruce Bartholomew 1990-8-5 5660 Modoc Summit Trail, ca. 2 km N of Patterson Ranger Station, W side of Warner Mts. 2300 Comment
  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
  UC1025055  Bromus carinatus var. carinatus Leo Whitney 1935-7-21 3581 Modoc 15 mi w of Canby (Modoc National Forest, Happy Camp); Modoc National Forest, Happy Camp 1463 Comment
  SEINET191105 Image available Bromus carinatus var. marginatus A. A. Beetle 1941-6-29 2821 Modoc 15 miles west to Alturas, road to Cederville pass, 1524 Comment
  UCD59116  Bromus carinatus var. marginatus A. A. Beetle 1941-6-29 2821 Modoc 15 miles west of Alturas, road to Cedarville pass. 1524 Comment
  CAS-BOT-BC242461  Bromus japonicus Bruce Bartholomew 1989-7-14 4922 Modoc Along Rush Creek between Lower and Upper Rush Creek Campgrounds. 1580 Comment
  CHSC117493  Bromus japonicus Lowell Ahart; John Dittes 2016-7-16 21247 Modoc Between the first pond and the second going west, south of Ash Creek Canal (now filled in), south of Ash Creek, Ash Creeek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.75 miles (air) west of Adin, Big Valley. 1273 Comment
  UCD32726  Bromus japonicus Beecher Crampton 1954-7-7 2164 Modoc Modoc County, 2.5 miles east of Alturas, near radio station KCNO. Comment
  UCD59057  Bromus orcuttianus A. A. Beetle 1944-8-15 3033 Modoc N of Lookout. Above Happy Camp Ranger Station. Comment
  CHSC30520  Bromus tectorum Sandra C. Morey 1980-4-26 73 Modoc Hwy. 299, ca. 3.7 mi. n of jctn. with Hwy 139 at Adin. 1280 Comment
  HSC80910  Bromus tectorum G. M. Riegel 1980-7-8 830 Modoc South Warner Mtn. 530 Comment
  UC1024846  Bromus tectorum Leo Whitney 1935-6-9 3204 Modoc White Horse Comment
  UC1024900  Bromus tectorum Leo Whitney 1935-5-21 3115 Modoc 15 mi nw of Canby (Modoc National Forest, Hackamore); Modoc National Forest, Hackamore 1463 Comment
  CAS-BOT-BC197587  Calandrinia ciliata Bruce Bartholomew 1995-8-1 7146 Modoc 12 Mile Creek, E side of the Warner Mountains. 2110 Comment
  RSA210830  Callitriche hermaphroditica J. Henrickson, C. W. Tilforth 1969-9-4 39115 Modoc N Fork of Pit River 3.4 mi. N. of Alturas where crossed by Hwy 395. 1341 Comment
  JEPS114833  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
  RSA210862  Callitriche verna R. F. Thorne, James Henrickson, C. W. Tilforth 1969-9-4 39113 Modoc On muddy spit and shore of N Fork of Pit River 3.4 mi. N of Alturas where crossed by Highway 395. 1341 Comment
  UC1583974  Callitriche verna G. Schoolcraft 1990-7-11 2106 Modoc about 2 mi w West Valley Reservoir 1493 Comment
  RSA551338  Callitriche verna Bruce Bartholomew 1991-10-13 6120 Modoc Dismal Swamp, N end of Warner Mts. 2200 Comment
  CAS-BOT-BC85786  Calocedrus decurrens Frances D. Payne 1932-7-1 651 Modoc Fitzhugh Sprinrings, Warner Mts. 1828 Comment
  NY18987  Calocedrus decurrens A. D. Borden 1911-8-9 s.n. Modoc This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  NY888169  Calocedrus decurrens R. R. Halse 2006-8-4 6999 Modoc This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  UC401354  Calocedrus decurrens W. P. Taylor and H. C. Bryant 1910-6-26 Modoc Parker Cr. Warner Mountains, Parker Cr. 1676 Comment
  CAS-BOT-BC244933  Calochortus leichtlinii Elmer Ivan Applegate 1932-8-1 8004 Modoc Warren Peak. Comment
  HSC15398  Calochortus leichtlinii M. T. Milligan 1964-7-25 192 Modoc 1.0 mi. E of Weber Salt Camp on Pine Creek Rd. 2134 Comment
  RSA520456  Calochortus leichtlinii K. Paulson, R. Paulson 1989-7-12 177 Modoc Ca. 2 miles north of Mill Creek Falls, west side of Warner Mountains 1921 Comment
  SEINET4169879  Calochortus leichtlinii Leila Shultz, John Shultz 1985-6-23 Modoc Modoc Plateau at the western extension of the Great Basin, between Beeler and Duncan reservoirs N. of Canby. 1311 Comment
  CHSC40544  Calochortus longebarbatus J. D. Jokerst 1983-7-12 1836 Modoc South of and adjacent to the junction of Hwy 139 and the Loveness Rd. 1478 Comment
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Aug 4 2018
  UC1442619  Calochortus longebarbatus var. longebarbatus Theodore F. Niehaus 1978-6-28 78950 Modoc 12 mi w Canby (0.3 mi s on rd to Cottonwood Campground (USFS); 1.2 mi nw of Craig Spring from junction with Loveness mainline logging road, or 0.5 mi se into Sec. 13) Comment
  UC3505  Calochortus longebarbatus var. longebarbatus M. S. Baker and Frank Nutting 1894-6-29 Modoc near Lookout; Big Valley Comment
  CAS-BOT-BC242138  Calochortus macrocarpus K. Paulson; Robert Paulson 1988-7-13 79 Modoc Jess Valley Rd., 3 mi. E of Likely. 1371 Comment
  CAS-BOT-BC242148  Calochortus macrocarpus C. C. (Mrs.) Bruce 1898-8-1 s.n. Modoc Goose Lake valley. Comment
  UC1036062  Calochortus macrocarpus Annie M. Alexander and Louise Kellogg 1946-7-7 4920 Modoc w of Lake Annie Comment
  JEPS86157  Calochortus macrocarpus Wayne Roderick 1966-7-23 Modoc ca 3 rd mi n Cedar Pass; Warner Mtns. 2133 Comment
  SD52081  Calochortus macrocarpus Frank Stephens 1894-7-28 10333 Modoc Goose Lake. Comment
  CAS-BOT-BC217330  Caltha leptosepala Bruce Bartholomew 1992-5-15 6302 Modoc Tamarack Flat, E side of the Warner Mountains. 2160 Comment
  CAS-BOT-BC218350  Caltha leptosepala Leland S. Smith 1918-6-23 956 Modoc Near Big Four Mine, High Grade District, Mineral Spring. 2377 Comment
  CHSC117570  Calycadenia Lowell Ahart; John Dittes 2016-7-14 21153 Modoc About 80 yards west of the Fishing Access Asign, low area along poor dirt road, more south of the fence, about 1/8 mile south of Ash Creek, Ash Creek State Wildlife Area, 1 mile (air) south of County Road 87, 1.7 miles(air) south west of Adin, Big Valley. 1276 Comment
  CAS-BOT-BC197577  Calyptridium umbellatum Bruce Bartholomew; Barrett Anderson 1988-6-23 4243 Modoc 4.2 km NW of Day. 1020 Comment
  CAS-BOT-BC197585  Calyptridium umbellatum Annie Montague Alexander; L. Kellogg 1946-6-25 4825 Modoc Dismal Swamp, N end of Warner Mts. 2255 Comment
  CDA33812  Calystegia occidentalis subsp. occidentalis Dale Woods 2010-7-1 s.n. Modoc Approx. 2 miles southeast of Hwy 299 along Kelly Springs Rd., at a west-facing overlook. 0 Comment
  SEINET8471949  Camassia quamash E. K. Balls 1950-5-15 14697 Modoc 15.8 miles NW Canby, Hwy 139 by turn to Hackamore.. 1402 Comment
  CAS-BOT-BC242127  Camassia quamash subsp. breviflora Bruce Bartholomew 1990-6-15 5237 Modoc SE corner of Sweagert Flat. 1860 Comment
  CAS-BOT-BC242125  Camassia quamash subsp. breviflora Mrs. H. C. Cantelow 1941-5-16 s.n. Modoc SE end of Boca Dam. Comment
  UCD138389  Camassia quamash subsp. breviflora Malcolm A. Nobs; S. Galen Smith 1949-5-29 773 Modoc one mile east of Lake City. Comment
  CAS-BOT-BC191128  Camissonia andina Bruce Bartholomew 1993-6-14 6654 Modoc 5.5 km E of County Road 114 on County Road 108, NW of Clear Lake Reservoir. 1440 Comment
  CAS-BOT-BC191135  Camissonia andina Peter Hamilton Raven 1963-5-29 18427 Modoc Junction of Cedarville Road with U.S. Hwy 395. Comment
  CAS-BOT-BC191137  Camissonia andina Bruce Bartholomew 1990-6-18 5386 Modoc Turner Creek at County Rd 90, N end of Big Valley, 6.4 km N of Lassen County border. 1230 Comment
  CAS-BOT-BC191116  Camissonia claviformis subsp. cruciformis Bruce Bartholomew; Barrett Anderson 1989-6-2 4838 Modoc 6.4 km E of Eagleville on the road to the California state border, E side of Surprise Valley. 1550 Comment
  CHSC111414  Camissonia contorta Lowell Ahart; John Dittes 2012-7-12 18355 Modoc In the parking area on the east side of Elkins Lane, northeast of the homestead, about 300 yards north of the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1295 Comment
  CAS-BOT-BC191109  Camissonia minor Harry Dwight Dillon Ripley; Rupert Charles Barneby 6006 Modoc Valley E of Cedarville. 1219 Comment
  POM204164  Camissonia subacaulis J. T. Howell 1934-6-14 12112 Modoc Near Lost Lake, Warner Mts. 2439 Comment
  NY852084  Camissonia tanacetifolia B. J. Ertter 1988-6-18 7606 Modoc West side of Hwy 139 just south of where it crosses railroad at junction to Clear Lake, northeast of Dry Lake east of Lava Beds National Monument 1250 Comment
  SEINET5512263  Camissonia tanacetifolia J. C. Beatley 1964-1 Modoc Locally common in Tule Lake area 1829 Comment
  CAS-BOT-BC191081  Camissonia tanacetifolia subsp. tanacetifolia Peter Hamilton Raven 1962-5-29 17893 Modoc 13 mi. NW of Canby. Comment
  POM203957  Camissonia tanacetifolia subsp. tanacetifolia J. T. Howell 1934-7-2 12358 Modoc East side of Clear Lake Comment
  RSA210869  Camissonia tanacetifolia subsp. tanacetifolia Robert F. Thorne, J. Henrickson, C. W. Tilforth 1969-9-4 39085 Modoc E shore of Goose Lake at Willow Ranch. 1433 Comment
  RSA72211  Camissonia tanacetifolia subsp. tanacetifolia F. W. Peirson 1926-6-24 6857 Modoc Small lake about 3 miles east of Alturas. Comment
  RSA600324  Camissonia tanacetifolia subsp. tanacetifolia Louis C. Wheeler 1935-8-18 3895 Modoc 2 miles northeast of Alturas. 1357 Comment
  HSC65547  Capsella bursa-pastoris Thomas Wood 1979-8-8 202 Modoc 1 mi. S of Ft. Bidwell along Hwy. 1, corner house where road turns W 1372 Comment
  HSC81064  Cardamine breweri G. M. Riegel 1980-8-16 1037 Modoc S Warner Mtns. 2100 Comment
  NY120019  Cardaria chalepensis K. Paulson 1991-7-13 239 Modoc Near Bear Flat Road, southern Warner Mountains 2164.1 Comment
  CDA37679  Cardaria draba Robin Breckenridge 2002-7-15 s.n. Modoc Likely; Lynetta Farms. 0 Comment
  HSC100126  Carduus acanthoides G. D. Barbe, C. B. Greenbank 1978-8-31 2427 Modoc 1 mile S of junction of Camby Rd. and Hwy. 299. Comment
  CAS-BOT-BC242400  Carex Annie Montague Alexander; L. Kellogg 1946-7-23 5047 Modoc Emerson Peak. 2750 Comment
  UC1100433  Carex atherodes Herbert L. Mason, Verne Grant 1947-7-12 13424 Modoc s Alturas (irrigation ditch near s end of west side road along railroad tracks); Pit River Valley Comment
  JEPS127213  Carex athrostachya Lowell Ahart, John Dittes 2016-6-6 20964 Modoc About one mile south the intersection of County Road 87 and Access Road to Pilot Butte Parking Area, 3.8 miles (air) east of Lookout, 7.5 miles (air) west of Adin, Ash Creek State Wildlife Area. Comment
  SEINET7550699 Image available Carex athrostachya John Thomas Howell 1934-6-12 12030 Modoc Plum Valley, Warner Mts. Comment
  UC1537644  Carex athrostachya Gordon H. True Jr. 1939-6-13 997 Modoc near Likely; Pit River Comment
  UC143709  Carex aurea M. S. Baker and Frank Nutting 1894-6-15 Modoc Big Valley Mts. Comment
  UCD146975  Carex aurea Chuck Hughes 2012-9-13 346 Modoc Bear Mountain. 2005 Comment
  CAS-BOT-BC245189  Carex douglasii John Thomas Howell 1934-6-30 12280 Modoc Duncan Horse Camp. 1355 Comment
  CHSC115609  Carex douglasii Lowell Ahart; John Dittes 2015-7-15 20338 Modoc Aabout 400 yards northeast of the old barn, on the south side of the overgrown road, Ash Creek StatWildlife Area, about 3.9 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1269 Comment
  UCD140433  Carex heteroneura L. S. Smith 1918-8-11 1018 Modoc Trail to Lost Lake. Comment
  CAS-BOT-BC245181  Carex multicaulis John H. Hatton 1911-6-15 116 Modoc Near Huffman's ranch. 1493 Comment
  CAS-BOT-BC245169  Carex nebrascensis B. Anderson 1986-7-9 3183 Modoc Warner Mountains; Stough Reservoir Rd just E of Cedar Pass near Stough Reservoir 1965 Comment
  CAS-BOT-BC245171  Carex nebrascensis Bruce Bartholomew; Barrett Anderson 1989-6-1 4756 Modoc ca. 0.5 km W of Davis Creek on road to S end of Goose Lake. 1460 Comment
  CHSC109641  Carex nebrascensis Lowell Ahart; John Dittes 2012-7-12 18367 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 Adam, about 8 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  JEPS118471  Carex nebrascensis Lowell Ahart, John Dittes 2011-6-21 17522 Modoc About 30 yards west of the fence, meadow like area in uplands south of the big meadow, Ash Creek State Wildlife Area, about 1000 feet north of Lassen County Line, about 3.6 miles (air) northeast of Bieber, Big Valley 1267 Comment
  JEPS63608  Carex pachystachya Frances D. Payne 1932-7-21 725 Modoc Patterson Lake Warner Mountains, Mt. Warren, Patterson Lake Comment
  CAS-BOT-BC119034  Carex pellita Herbert L. Mason; Verne Grant 1947-7-12 13423 Modoc Irrigation ditch near S end of W side road, along RR tracks, Pit River Valley, S of Alturas. Comment
  UC1100510  Carex pellita Herbert L. Mason, Verne Grant 1947-7-12 13423 Modoc s Alturas (irrigation ditch near s end of west side road, along railroad tracks); Pit River Valley Comment
  UCD140721  Carex pellita Herbert L. Mason; Verne Grant 1947-7-12 13423 Modoc near south end of west side road, along railroad tracks, Pit River Valley, south of Alturas. Comment
  CAS-BOT-BC245156  Carex praegracilis Herbert Louis Mason; Verne Grant 1947-8-13 13535 Modoc N side of F Reservoir, N of Canby. Comment
  CAS-BOT-BC118613  Carex raynoldsii Annie M. Alexander; Louise Kellogg 1946-6-30 4884 Modoc Highgrade, N end Warner Mts. Comment
  CAS-BOT-BC242352  Carex rossii Alice Eastwood; John Thomas Howell 1940-6-14 8252 Modoc Between Mammoth Cave and Lava Beds Nat. Mon. Comment
  RSA0079904  Carex rossii Peter H. Raven 1962-5-29 17894 Modoc 13 miles northwest of Canby. Comment
  HSC48331  Carex rostrata D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19361 Modoc Along the S Fork of the Pit River, ~6 mi. E of Likely. Comment
  CAS-BOT-BC245149  Carex subfusca Annie Montague Alexander; L. Kellogg 1946-6-14 4760 Modoc Patterson Mill Road, branch road to Silver Creek. Comment
  CAS-BOT-BC115186  Carex vernacula John Thomas Howell 1934-6-14 12165 Modoc Near Lost Lake, Warner Mts. 2438 Comment
  CAS-BOT-BC180132  Castanopsis sempervirens Bruce Bartholomew 1991-6-20 5788 Modoc Top of Fox Mountain, ca. 10 airline km NW of Adin. 1900 Comment
  CHSC30496  Castilleja angustifolia N. E. H. Prouty 1980-5-25 165 Modoc Comment
  CAS-BOT-BC229813  Castilleja applegatei subsp. pinetorum Bruce Bartholomew; Barrett Anderson 1988-6-24 4363 Modoc Vicinity of Patterson Campground, southern end of the Warner Mts.. 2190 Comment
  CAS-BOT-BC229820  Castilleja applegatei subsp. pinetorum C. C. (Mrs.) Bruce 1893-6-1 95 Modoc Davis Creek. Comment
  CAS-BOT-BC229824  Castilleja applegatei subsp. pinetorum John Thomas Howell 1934-6-11 11914 Modoc Parker Creek, Warner Mountains 1584 Comment
  HSC20500  Castilleja applegatei subsp. pinetorum M. T. Milligan 1965-7-10 439 Modoc W slope of Eagle Peak. 2439 Comment
  JEPS27948  Castilleja applegatei subsp. pinetorum Frances D. Payne 1931-6-11 148 Modoc Parker Creek Warner Mountains 1584 Comment
  JEPS3853  Castilleja applegatei subsp. pinetorum N. T. Mirov 1929-6-23 Modoc e of Goose Lake (on Fandango Valley road, Buck Creek Ranger Station); Warner Mountains 1569 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
  UC1713295  Castilleja applegatei subsp. pinetorum Mrs. Austin Jun 1894 Modoc Willow Creek Comment
  CAS-BOT-BC226011  Castilleja arachnoidea Bruce Bartholomew; Barrett Anderson 1988-7-22 4522 Modoc S end of Bearcamp Flat, southern end of Warner Mts.. 2230 Comment
  JEPS86371  Castilleja lacera Jack and Betty Guggolz 1988-6-30 969 Modoc near Old Canyon Mill Road Comment
  JEPS76161  Castilleja lacera T. I. Chuang with Fei-Mei Chuang 1977-7-26 7662 Modoc 2.2 mi n Adin (at junction of Highway 299 and road to Rush Creek Campground) 1371 Comment
  POM44360  Castilleja linariifolia R. M. Austin 1895-07 527 Modoc Willow Creek (Devils Garden) Comment
  JEPS3899  Castilleja miniata Annie M. Alexander and Louise Kellogg 1946-7-12 4978 Modoc Cowhead Lake Comment
  CAS-BOT-BC32565  Castilleja ochracea Alice Eastwood; John Thomas Howell 1940-6-11 8016 Modoc 7 miles SW of Canby Comment
  CAS-BOT-BC226050  Castilleja pilosa Bruce Bartholomew; Barrett Anderson 1989-6-2 4786 Modoc Long Canyon, 12 km NE of Fort Bidwell on the road to the Oregon border. 1550 Comment
  CAS-BOT-BC226054  Castilleja pilosa Elmer Ivan Applegate 1932-7-9 7602 Modoc N slope of Bidwell Mountain. Comment
  CAS-BOT-BC226057  Castilleja pilosa Annie Montague Alexander; L. Kellogg 1946-6-14 4751 Modoc Silver Creek branch of Patterson Mill road. 1828 Comment
  SJSU11483  Castilleja pilosa R. L. Fisher 1958-6-15 Modoc 15 mi E of Alturas 1676 Comment
  JEPS76810  Castilleja tenuis Theodore F. Niehaus 1978-6-28 952 Modoc ca 12 mi w Canby (0.3 mi s on road to Craig Springs from junction with Loveness mainline logging road and 0.05 mi into sec. 13) Comment
  SEINET14173654  Castilleja tenuis M. J. Williams 1984-1 84- 78 -1 Modoc E side of the Warner Mountains, 3 miles W of the Cedarville-Gerlach road, near the Granger Canyon road. 2073 Comment
  UC1585989  Castilleja tenuis Barbara Ertter 1988-6-18 7623 Modoc 1 mi s Hwy. 139, s jct. to Lava Beds Natl. Monument e of Tonesta (a few mi n of Agric. Inspection Station, ca 50 air mi sw of Klamath Falls) 1310 Comment
  UC449589  Ceanothus X rugosus Milo S. Baker 1894-6-8 Modoc in the lava near Egg Lake; in the lava near Egg Lake Comment
  RSA504605  Ceanothus integerrimus Bruce Bartholomew, B. Anderson 1988-6-23 4265 Modoc 1.8 km WSW of Day on County Road 94. 1170 Comment
  CAS-BOT-BC217106  Ceanothus prostratus L. A. M. Black 1894-1-1 93 Modoc Davis Creek. Comment
  CAS-BOT-BC217150  Ceanothus prostratus James Vale; Keith Wagnon; Walter Knight; Irja Knight 1981-5-23 4132 Modoc White Horse Road near Egg Lake. Comment
  RSA564302  Ceanothus prostratus George K. Helmkamp, E. A. Helmkamp 1993-5-4 139 Modoc 16.1 miles northwest of Canby. Along California Highway 139. 1280 Comment
  SEINET12210602  Ceanothus prostratus J. Vale, Wagnon, K.; Knight, W.; Knight, I. 1981-1 4132 Modoc On White Horse Road near Egg Lake, n.w. of Lookout Comment
  CAS-BOT-BC217119  Ceanothus velutinus A. D. Borden 1911-8-1 s.n. Modoc S side of Parker Creek. Comment
  UC748204  Ceanothus velutinus Annie M. Alexander and Louise Kellogg 1946-6-28 4860 Modoc n end Warner Mountains (Pine Creek Canyon); n end of Warner Mountains, Pine Creek Canyon 2011 Comment
  CAS-BOT-BC15096  Centaurea cyanus Bruce Bartholomew 1990-6-17 5340 Modoc Surprise Valley, 0.3 mi N of Lake City on County Rd 1. 1390 Comment
  CHSC111400  Centaurea cyanus Lowell Ahart; John Dittes 2012-7-12 18379 Modoc On dry rocky bare soil, on the east side of Elkins Lane, about 100 yards north of the bridge across Ash Creek, Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1262 Comment
  CAS-BOT-BC15098  Centaurea solstitialis Bruce Bartholomew 1989-8-10 5027 Modoc Little Hot Spring Valley, 1.6 km NW of Day. 1070 Comment
  CAS-BOT-BC388228  Cerastium glomeratum B. Bartholomew 1994-5-28 6712 Modoc 8.5 km E of Likely on road to Jess Valley along the S Fork of the Pit River 1620 Comment
  CAS-BOT-BC95500  Ceratophyllum demersum Bruce Bartholomew 1992-8-7 6353 Modoc Along the Pit River just SW of Canby Bridge. 1300 Comment
  UC956843  Ceratophyllum demersum Herbert L. Mason and Verne Grant 1947-7-12 13386 Modoc irrigation ditch by Jones' Lane off Highway 395 several mi s Alturas Comment
  UC956844  Ceratophyllum demersum Verne Grant and Irving Schneider 1947-7-20 8097 Modoc North Fork of Pit River by Dorris Bridge (Alturas); North Fork of Pit River Comment
  CAS-BOT-BC197534  Cercocarpus betuloides var. betuloides Bruce Bartholomew; Mona Bourell 1990-4-26 5159 Modoc 0.5 km S of Day. 1100 Comment
  JEPS45550  Cercocarpus betuloides var. macrourus Milo S. Baker 1893-7-23 Modoc Forestdale Comment
  UCD22471  Cercocarpus betuloides var. macrourus Brian Vanden Heuvel 2003-4-11 200 Modoc Rush Creek Campground in Modoc National Forest, about 10 miles north of Adin and 6 miles south of Adin Pass. Comment
  HSC96013  Cercocarpus ledifolius Juha Pykala, D. H. Norris 1987-5-27 1055 Modoc Between Lower and Upper Rush Creek Campgrounds 1494 Comment
  SEINET10543173  Cercocarpus ledifolius LeRoy E. Detling 1948-5-23 Detling 6247 Modoc Plum ridge, near canby, t43n,r7e,sec.8, mdm. Yellow pine forest. Pinus Ponderosa, p. Jeffreyi, juniperus occidentalis, arctostaphylos patula. Level Plateau, rocky red clay-loam 1524 Comment
  NY848757  Cercocarpus ledifolius var. intermontanus R. M. Austin 08 1894 s.n. Modoc Lassen Creek Comment
  CAS-BOT-BC197528  Cercocarpus ledifolius var. ledifolius Frederick H. Frost 1925-7-11 31 Modoc Cedar Canyon, 2 mi. above Cedarville, Warner Mts. Comment
  CAS-BOT-BC197530  Cercocarpus ledifolius var. ledifolius Barrett Anderson 1986-7-10 3194 Modoc West Warner Rd N of the North Fork of Pine Creek. 1965 Comment
  CAS-BOT-BC197537  Cercocarpus ledifolius var. ledifolius Bruce Bartholomew; Barrett Anderson 1989-4-29 4691 Modoc Surprise Valley Road, just S of the Oregon border, extreme NE corner of Modoc County. 1630 Comment
  CAS-BOT-BC197540  Cercocarpus ledifolius var. ledifolius F. Angwin 1946-4-21 s.n. Modoc Stone Coal Canyon, 12 mi. NE of Adin. 1280 Comment
  CAS-BOT-BC214643  Cercocarpus ledifolius var. ledifolius Roxana Stinchfield Ferris; R. Duthie 1919-6-14 186 Modoc Parker Creek, Warner Mts. 1981 Comment
  JEPS44707  Cercocarpus ledifolius var. ledifolius Frances D. Payne 1931-6-17 160 Modoc s and e of Alturas (Parker Creek); Warner Mountains, Parker Creek 1584 Comment
  UC12138  Cercocarpus ledifolius var. ledifolius Mrs. R. M. Austin Aug. 1894 Modoc Lassen Creek Comment
  CAS-BOT-BC15062  Chaenactis douglasii var. douglasii R. M. Austin; C. C. (Mrs.) Bruce 1898-7-1 2177 Modoc Davis Creek plains. Comment
  CAS-BOT-BC15069  Chaenactis douglasii var. douglasii David Daniels Keck; J. Clausen 1935-6-24 3716 Modoc 1 mi. N of Buck's Ranger Station, 8 mi. south of New Pine Creek 1524 Comment
  CHSC112509  Chaenactis douglasii var. douglasii L. P. Janeway; B. Castro 2014-6-3 11315 Modoc Great Basin. Top of knoll between the lower end of Long Canyon and the lower end of Poison Springs Canyon, overlooking north end of Surprise Valley. 1567 Comment
  UC748339  Chaenactis douglasii var. douglasii Annie M. Alexander and Louise Kellogg 1946-7-24 5076 Modoc Horse Mountain Warner Mountains, Horse Mountain Comment
  UC90115  Chaenactis douglasii var. douglasii Mrs. R. M. Austin 1894-8-1 200 Modoc Goose Lake Valley Comment
  CAS-BOT-BC197575  Chamaebatiaria millefolium Mrs. M. H. Manning s.n. Modoc NW Modoc County. Comment
  UC12126  Chamaebatiaria millefolium Milo S. Baker 1893-7-8 Modoc Comment
  CAS-BOT-BC245413  Chamaesaracha nana Elmer Ivan Applegate 1932-8-5 8164 Modoc Cedar Pass, Warner Mountains. Comment
  CAS-BOT-BC245420  Chamaesaracha nana Francis Marion Ownbey; Frederick Gustav Meyer 1940-7-1 2132 Modoc Near Cedar Pass, Warner Mountains. Comment
  CAS-BOT-BC245424  Chamaesaracha nana C. L. Hitchcock 1940-5-27 6700 Modoc 15 mi. NE of Alturas. 1615 Comment
  JEPS9110  Chamaesaracha nana L. S. Smith 1918-7-14 995 Modoc Mill Creek Modoc Forest (Eagleville Trail) 2133 Comment
  JEPS5988  Chamaesaracha nana Frances D. Payne 1931-6-25 271 Modoc 2 mi sw Warren Peak (Middle Fork of Pine Creek); Warner Mts., Pine Creek Basin 2133 Comment
  RSA312310  Chamaesyce serpillifolia H. L. Mason, Verne Grant, C. T. Mason 1947-7-10 13325 Modoc Dorris Reservoir, 2 miles east of Alturas. Comment
  UC125543  Chamerion angustifolium subsp. circumvagum Mrs. R. M. Austin Aug. 1884 Modoc Sugarloaf Hill Comment
  CHSC99251  Chenopodium Lowell Ahart; John Dittes 2008-6-21 15010 Modoc Along a large levee, mountain meadow, in Big Valley, about 4.3 miles (air) northeast of the Headquarters at Ash Creek State Wildlife Area, about 7.3 miles (air) northeast of Bieber. 1266 Comment
  CHSC99965  Chenopodium album Lowell Ahart; John Dittes 2008-8-25 15321 Modoc On the east bank (flood plane) of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout. 1273 Comment
  CAS-BOT-BC95513  Chenopodium album John H. Hatton 1911-6-22 148 Modoc Modoc County. 1615 Comment
  CAS-BOT-BC95514  Chenopodium berlandieri Bruce Bartholomew 1989-7-14 4956 Modoc Survice Gulch ca. 3 km NE of Egg Lake. 1340 Comment
  CAS-BOT-BC95516  Chenopodium berlandieri Bruce Bartholomew 1990-8-3 5596 Modoc Ash Creek Wildlife Refuge, ca. 2.5 km S of County Road 87 and 7 km W of Adin. 1250 Comment
  UC1191343  Chenopodium glaucum Herbert L. Mason 1947-8-15 13554 Modoc Crane Creek Goose Lake, Willow Ranch (mouth, e side of lake) Comment
  SFV7751  Chenopodium leptophyllum T. Gordon, K. Kimbrough 1975-8-15 1217 Modoc Just east of the entrance to Lava Beds National Monument. 1280 Comment
  RSA624120  Chenopodium leptophyllum L. C. Wheeler 1935-8-26 3921 Modoc South Mt. devil's Garden: McGinty Point. 1524 Comment
  HSC80767  Chimaphila umbellata G. M. Riegel 1979-8-21 680 Modoc S Warner Mtns. 1670 Comment
  CDA19915  Chorispora tenella R. Breckenridge, Kratville 2002-6-6 PDR 920238 Modoc Northern California; in the vicinity of Alturas. 1328 Comment
  CDA19941  Chorispora tenella R. Breckenridge 2002-6-21 PDR 1204570 Modoc Northern California; Jones Lane, south of Alturas, W of canal. 1328 Comment
  CDA37694  Chorispora tenella Breckenridge/Filippini 2005-6-2 s.n. Modoc Likely, Jones Lane, Lynetta Farms. 0 Comment
  POM57302  Chrysanthemum segetum M. S. Baker s.n. Modoc [Unspecified] Comment
  CAS-BOT-BC15032  Chrysothamnus humilis Bruce Bartholomew 1989-8-13 5142 Modoc Top of Manzanita Mountain. 2090 Comment
  CAS-BOT-BC15041  Chrysothamnus nauseosus subsp. albicaulis F. Angwin 1945-10-7 s.n. Modoc Big Valley near Adin. 1280 Comment
  HSC5368  Cichorium intybus M. T. Milligan 1964-8-21 236 Modoc Pikes Pt. Easgle Lake 1677 Comment
  UC1400383  Cicuta douglasii R. F. Thorne and C. W. Tilforth 1969-9-5 39160 Modoc Modoc National Forest, Warner Mountains, Clear Lake Clear Lake; Modoc National Forest, Warner Mountains, Clear Lake 1767 Comment
  CAS-BOT-BC191004  Circaea alpina subsp. pacifica Bruce Bartholomew; Barrett Anderson 1988-7-22 4524 Modoc Vicinity of Emerson Campground E side of the Warner Mts.. 1830 Comment
  CAS-BOT-BC191005  Circaea alpina subsp. pacifica Francis Dorris Payne 1935-7-19 801 Modoc Parker Creek. 1584 Comment
  CAS-BOT-BC191007  Circaea alpina subsp. pacifica Bruce Bartholomew; Barrett Anderson 1988-7-22 4526 Modoc Mill Creek, Lake City Canyon, 5.5 km W of Lake City, E side of the Warner Mts.. 1860 Comment
  UC73323  Circaea alpina subsp. pacifica Milo S. Baker 1893-1 Modoc Forestdale, Taylor Creek Comment
  CDA21202  Cirsium K. Haas 2007-2-6 PDR 1402971 Modoc Modoc Plateau; County Rd. 1, Cedarville. 0 Comment
  RSA0070848  Cirsium andersonii Bruce Bartholomew, B. Anderson 1990-7-19 5441 Modoc Sweagert Flat. 1860 Comment
  CDA1194  Cirsium douglasii var. breweri G. D. Barbe, T. C. Fuller 1979-8-21 2545 Modoc 5.6 km S of Fort Bidwell; W side of County Hwy 1, 3.2 km N of Fandango Pass Rd. Comment
  UC55074  Cirsium douglasii var. breweri Milo S. Baker 1899-8-17 Modoc Frank Wiley's Ranch Comment
  CAS-BOT-BC14931  Cirsium occidentale var. candidissimum Annie Montague Alexander; L. Kellogg 1946-6-18 4803 Modoc Patterson Mill-Silver Creek roads. Comment
  CHSC110973  Cirsium occidentale var. candidissimum Lowell Ahart; John Dittes 2012-7-12 18366 Modoc North bank of Ash Creek, south of the gravel pit, about 1/8 mile east of the parking area on the east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  UC71591  Cirsium occidentale var. candidissimum Mrs. M. H. Manning Jul 1 1903-Aug 1 1903 263 Modoc near Fort Bidwell Comment
  UC711943  Cirsium occidentale var. candidissimum Roxana S. Ferris and Laura Lorraine 1941-8-12 10511 Modoc just below e slope of summit of Cedar Pass (Cedarville-Alturas Road); Warner Mountains, Cedar Pass 1828 Comment
  CAS-BOT-BC14942  Cirsium scariosum K. Paulson; Robert Paulson 1989-7-4 170 Modoc Ca. 1 mi. S of Patterson Ranger Station, S end of Warner Mts. 2121 Comment
  JEPS59283  Cirsium scariosum W. L. Jepson 1918-8-11 7942 Modoc Jess Valley 1584 Comment
  HSC81013  Cirsium scariosum G. M. Riegel 1979-7-13 531 Modoc South Warner Mtns. 2100 Comment
  JEPS126536  Cirsium scariosum var. robustum Lowell Ahart, John Dittes 2016-6-6 20945 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
  HSC16275  Clarkia affinis M. T. Milligan 1964-7-1 109 Modoc Ballard's Reservoir Rd. 1 mi. S of Modoc County Rd. 54 1372 Comment
  CAS-BOT-BC191071  Clarkia gracilis subsp. gracilis Bruce Bartholomew 1990-6-18 5391 Modoc Turner Creek at County Rd 90, N end of Big Valley, 6.4 km N of Lassen County border. 1230 Comment
  LA47493  Clarkia gracilis subsp. gracilis Clare B. Hardham; 1961-6-19 7522 A Modoc Warner Mountains, Willow Creek 1676 Comment
  CAS-BOT-BC191069  Clarkia gracilis subsp. gracilis Milo S. Baker 1893-6-20 s.n. Modoc low flat land Comment
  HSC35734  Clarkia lassenensis D. H. Norris, S. Dowty, Thomas W. Nelson 1971-6-23 19355 Modoc Along the S Fork of the Pit River, ~6 mi. E of Likely. Comment
  UC422848  Clarkia lassenensis Franklin P. Nutting Modoc Forestdale Comment
  CAS-BOT-BC191056  Clarkia lassenensis P. Monnet 1913-7-7 936 Modoc Warner's Range. Comment
  RSA0059899  Clarkia lassenensis Barbara Ertter 1988-6-18 7622 Modoc Hwy 139 ca 50 airmiles SW of Klamath Falls, a few miles N of Agric. Inspection State, 1 mi S of S jct to Lava Beds Nat l Monument E of Tonesta. 1311 Comment
  CAS-BOT-BC191049  Clarkia rhomboidea Francis Dorris Payne 1931-6-11 145 Modoc Parker Creek. 1584 Comment
  SEINET10632445  Clarkia rhomboidea Peter H. Raven, Otto T. Solbrig 1958-6-18 Raven 13309 Modoc Cottonwood Flat Camp Ground, Modoc National Forest. Comment
  CAS-BOT-BC197429  Claytonia perfoliata subsp. intermontana Bruce Bartholomew; Barrett Anderson 1989-6-1 4734 Modoc Shake Spring, NW side of Shaffer Mountain. 1500 Comment
  HSC17710  Claytonia rubra subsp. rubra M. T. Milligan 1965-6-27 352 Modoc E slope of eroded volcanic plateau. 1677 Comment
  UC83260  Cleome platycarpa F. Stephens 1894-7-16 Modoc Liberty 1432 Comment
  CAS-BOT-BC229862  Collinsia parviflora Fred D. Douthitt 1916-5-11 25 Modoc Near Flournoy Swale. 1524 Comment
  CHSC117876  Collinsia parviflora L. P. Janeway 2016-5-17 12025 Modoc Modoc Plateau. Devils Garden area; flat just below (west of) Porcupine Rim; 0.3 km north of Road 43N18; 4.0 air-km west of Big Sage Reservoir. 1544 Comment
  CHSC85138  Collinsia parviflora John Dittes; Josephine Guardino 1991-6-1 373 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
  SBBG6876  Collinsia parviflora H. and M. Dearing 1939-6-8 3599 Modoc Pine Cyn, Warner Mtns Comment
  JEPS6207  Collinsia parviflora J. T. Howell 1934-6-14 12135 Modoc Lost Lake; Warner Mtns Comment
  POM319128  Collinsia parviflora Patricia Wilder 1971-6-20 5079 Modoc North part of Egg Lake (now a meadow), northwest of Lookout; north of Bieber and California State Highway 299; Modoc National Forest. Cascades Mt. Range. 1372 Comment
  RSA0117236  Collinsia parviflora Christopher Davidson 1973-5-26 2120 Modoc Ca. 4 miles west of Canby on highway 299. 1341 Comment
  RSA531341  Collinsia parviflora Bruce Bartholomew, M. Bourell 1990-4-26 5158 Modoc 0.5 km S of Day. 1100 Comment
  SJSU11591  Collinsia parviflora R. L. Fisher 1958-6-13 Modoc near Adin Pass c. 6 mi S of Canby 1524 Comment
  UC26624  Collinsia parviflora M. S. Baker and Frank Nutting 1894-6-4 Modoc Hot Springs Valley Comment
  UC76207  Collinsia parviflora Milo S. Baker 1896-5-23 73 Modoc Big Valley, Johnson's Big Valley; , Johnson's Comment
  UCSB27160  Collinsia parviflora Wilken, Dieter 1969-7-28 Modoc Mill Creek Falls, near Clear Lake, east of Likely; Warner Mtns 1767 Comment
  UC217637  Collinsia torreyi var. wrightii Mrs. R. M. Austin Aug 1894 179 Modoc Headwaters of Lassen Creek Lassen Creek; Headwaters of Lassen Creek Comment
  CAS-BOT-BC190730  Collomia grandiflora John Thomas Howell 1934-6-13 12075 Modoc Fandango Pass, Warner Mts. 1828 Comment
  CAS-BOT-BC190734  Collomia grandiflora Bruce Bartholomew; Barrett Anderson 1989-6-2 4805 Modoc 6.4 km E of Fort Bidwell on road to Fee Reservoir, NE corner of Surprise Valley. 1460 Comment
  CAS-BOT-BC190737  Collomia grandiflora Bruce Bartholomew 1989-7-15 5005 Modoc Sweagert Flat. 1860 Comment
  CAS-BOT-BC190740  Collomia grandiflora K. Paulson; Robert Paulson 1989-7-2 161 Modoc Cottonwood Flat. 1447 Comment
  UC907920  Collomia grandiflora F. H. Frost 1925-7-13 74 Modoc summit Warner Mts., Cedar Canyon Comment
  CAS-BOT-BC190722  Collomia linearis Annie Montague Alexander; L. Kellogg 1946-7-11 4960 Modoc Eight Mile Creek, NE corner of county. Comment
  CAS-BOT-BC190728  Collomia linearis C. C. (Mrs.) Bruce 1894-6-1 96 Modoc Davis Creek. Comment
  HSC16929  Collomia linearis M. T. Milligan 1965-6-26 323 Modoc N end Jess Valley. 1616 Comment
  HSC65597  Collomia linearis Thomas Wood 1979-8-9 231 Modoc Dirt road along Bidwell Creek, 2.7 mi. NW of jct. with Co. Hwy. 2. N of Fort Bidwell 1555 Comment
  RSA59575  Collomia linearis Verne Grant, Alva Grant 1950-7-14 8949 Modoc near base of Cedar Mt. ridge, Warner Mts. 1982 Comment
  CAS-BOT-BC190716  Collomia tinctoria Bruce Bartholomew 1994-7-2 6813 Modoc E of Bald Mtn. on E side of the Warner Mountains. 2230 Comment
  SJSU9370  Conringia orientalis W. Savage 1979-7-8 1480 Modoc W side of Fairchild Swamp Unit, Triangle, Devils Garden District, Modoc National Forest 1493 Comment
  JEPS119676  Convolvulus arvensis Lowell Ahart, John Dittes 2012-7-12 18378 Modoc On the east side of Elkins Lane, about 100 yards north of the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. Comment
  UC1036065  Corallorhiza maculata Annie M. Alexander and Louise Kellogg 1946-7-17 5005 Modoc Benton Meadow Warner Mountains 2072 Comment
  JEPS74348  Cordylanthus capitatus L. R. Heckard, T. I. Chuang, and R. Bacigalupi 1974-7-24 3767 Modoc along forest service road 3.5 mi n Cedar Pass; Warner Mts. 2042 Comment
  SEINET4676264  Cordylanthus capitatus B. Bartholomew, Anderson 1988-7-23 4560 Modoc Road beyond Poison Lake ca. 8 km south of the road from U.S. Highway 395 to Lily Lake, Warner Mountains. Fort Bidwell 15 foot Quad.; 0 2140 Comment
  HSC80864  Cordylanthus capitatus G. M. Riegel 1980-7-23 929 Modoc N Warner Mtns. 1982 Comment
  CAS-BOT-BC229878  Cordylanthus ramosus John Thomas Howell 1934-7-2 12350 Modoc Mowitz Creak, 1 mi. S of Clear Lake. Comment
  HSC65599  Cornus sericea subsp. sericea Thomas Wood 1979-8-9 233 Modoc Dirt road along Bidwell Creek, 2.7 mi. NW of Jct. with Hwy. 2, N of Fort Bidwell. 1509 Comment
  POM337580  Cornus stolonifera F. R. Fosberg 1957-8-18 38848 Modoc Upper Rush Creek Camp Ground, northeast of Adin. 1600 Comment
  RSA603125  Crassula aquatica L. C. Wheeler 1935-9-3 3940 Modoc McGinty Reservoir, Devil's Garden. 1463 Comment
  CAS-BOT-BC14903  Crepis acuminata Bruce Bartholomew 1992-5-17 6350 Modoc On abandoned dirt track, SW side of White Horse Mountains, SW of White Horse Flat Reservoir. 1300 Comment
  CAS-BOT-BC14907  Crepis acuminata Roxana Stinchfield Ferris; R. Duthie 1919-6-16 183 Modoc Rock hill slope above Parker Creek, Modoc National Forest Boundary. Comment
  CAS-BOT-BC14908  Crepis acuminata Bruce Bartholomew 1992-8-9 6387 Modoc Squaw Peak Trail between Patterson Lake and Owl Creek Trail, E side of Warner Mountains. 2440 Comment
  CAS-BOT-BC14949  Crepis acuminata K. Paulson 1989-7-2 164 Modoc Happy Camp Lookout. 1850 Comment
  CAS-BOT-BC14950  Crepis acuminata Bruce Bartholomew 1990-6-17 5325 Modoc E side of Surprise Valley, 9.6 km E of Eagleville at the Nevada border. 1580 Comment
  JEPS36469  Crepis acuminata L. S. Smith 1918-7-11 983 Modoc Mill Creek Modoc <National> Forest (Sec 22) 2133 Comment
  JEPS36447  Crepis acuminata Frances D. Payne 1931-6-11 150 Modoc Parker Creek Warner Mts. (n slope) 1584 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
  SJSU8812  Crepis bakeri H. L. Buckalew 1961-6-25 Modoc near Stowe Reservoir c. 1 mi N of Cedar Pass on Cedar-Alturas Road 2072 Comment
  CAS-BOT-BC376518  Crepis bakeri subsp. bakeri Florence Angwin 1946-5-10 s.n. Modoc Big Valley, 2 miles northwest of Adin 1280 Comment
  UC581221  Crepis intermedia G. L. Stebbins Jr. and J. A. Jenkins 1937-7-15 2376 Modoc Shaeffer Mountain; s side 1670 Comment
  RSA95139  Crepis intermedia F. W. Peirson 1926-6-25 6873 Modoc Summit of grade, Cedarville Pass, Warner Mountains. Comment
  CAS-BOT-BC14883  Crepis modocensis Clare Butterworth Hardham 1961-6-18 7583 Modoc Mts. S of summit of Cedar Pass. Comment
  CAS-BOT-BC14886  Crepis modocensis subsp. subacaulis Bruce Bartholomew; Barrett Anderson 1988-5-14 4207 Modoc Hager Basin Reservoir between Crowder Flats and Big Sage Reservoir on USFS road 48N08. 1530 Comment
  CAS-BOT-BC14869  Crepis occidentalis Bruce Bartholomew 1993-6-14 6653 Modoc 2 km E of County Road 114 on County Road 108, NW of Clear Lake Reservoir. 1320 Comment
  CAS-BOT-BC14884  Crepis occidentalis Bruce Bartholomew 1991-6-21 5813 Modoc 4 km S of Forest Service road 73 on road to Rim Rock Valley. 1570 Comment
  CAS-BOT-BC14893  Crepis occidentalis David Daniels Keck; J. Clausen 1935-6-24 3713 Modoc 3 mi. NE of Willow Ranch, northeastern Modoc County 1470 Comment
  CAS-BOT-BC14894  Crepis occidentalis David Daniels Keck; J. Clausen 1935-6-24 3713 Modoc 3 mi. NE of Willow Ranch, northeastern Modoc County 1470 Comment
  CAS-BOT-BC14896  Crepis occidentalis subsp. costata Isabelo T. Kelly 1930-1-1 42 Modoc E slope of Warner Mts., near Ft. Bidwell. Comment
  CHSC115477  Crepis occidentalis subsp. pumila L. P. Janeway 2014-7-8 11462 Modoc Modoc Plateau. 1650 Comment
  POM312623  Cressa truxillensis H. L. Mason 1947-8-15 13541 Modoc Mouth of Crane Creek on Willow Ranch, east side of Goose Lake. Comment
  CAS-BOT-BC14832  Crocidium multicaule Bruce Bartholomew; Barrett Anderson 1989-4-30 4710 Modoc 0.8 km S of Centerville Rd. (Co. road 54) on road to Ralston Gulch (Co. road 77). 1400 Comment
  UC1004195  Crocidium multicaule W. A. Weber and Lewis S. Rose 1953-5-22 8451 Modoc 7 mi e Alturas (on road to Cedarville) 1371 Comment
  RSA534605  Crocidium multicaule Bruce Bartholomew 1991-5-25 5749 Modoc ca. 1 km west of Tionesta. 1320 Comment
  CHSC77192  Crupina vulgaris G. Schoolcraft 1993-6-17 Modoc Ne of Adin on s. side of Hunter Ridge. 1645 Comment
  CDA36150  Crupina vulgaris CDFA Staff Jun 1992 Modoc 0 Comment
  CDA4457  Crupina vulgaris Butch Kreps 1992-6-12 Modoc Kelley Spring, Modoc National Forest, Adin. 0 Comment
  CHSC100375  Crypsis vaginiflora Lowell Ahart; John Dittes 2008-8-26 15353 Modoc On the bottom of Rose Creek, 550 feet southwest of confluence of Rose Creek and Pit River, on the northwest side of unnamed road,, 2860 feet east of intersection with County Road 85a, 9.3 miles (air) north-northeast of Lookout. 1276 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
  UCD119058  Cryptantha ambigua Collector unknown 1950-1 s.n. Modoc Modoc County. Comment
  UC1202932  Cryptantha celosioides L. S. Smith 1114 Modoc Deep Creek, above station Modoc Forest 1584 Comment
  CAS-BOT-BC54143  Cryptantha echinella Herbert Louis Mason; Verne Grant 1947-7-9 13316 Modoc Cedar Pass, summit of Warner Range 1920 Comment
  SDSU20201  Cryptantha glomerata Ronald B. Kelley 2005-5-26 885 Modoc South-facing slope above and on the north side of CR40 (to Emerson Creek Campground), 1.5 miles southwest of CR1 jct. (0.1 miles west of cattle guard crossing). 1562 Comment
  CAS-BOT-BC54102  Cryptantha intermedia Harry Dwight Dillon Ripley; Rupert Charles Barneby 1944-5-31 5989 Modoc NW of Alturas. 1371 Comment
  CAS-BOT-BC54109  Cryptantha intermedia Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16382 Modoc 5 mi. E of Hwy 299 on Cedar Pass road. Comment
  CAS-BOT-BC54144  Cryptantha intermedia Mrs. H. C. Cantelow 1940-6-2 3318 Modoc 9.3 mi NW of Canby. Comment
  CAS-BOT-BC54146  Cryptantha intermedia Annie Montague Alexander; L. Kellogg 1946-6-10 4713 Modoc W facing slope above Snake Lake. Comment
  HSC75576  Cryptantha intermedia G. M. Riegel 1979-6-30 451 Modoc S Warner Mtns. 1739 Comment
  UC24650  Cryptantha intermedia M. S. Baker and Frank Nutting 1894-6-29 Modoc near Lookout; Big Valley Comment
  UC402819  Cryptantha intermedia Milo S. Baker 1890-1 Modoc Forestdale Comment
  UC1278107  Cryptantha intermedia Beecher Crampton 1954-7-6 2120 Modoc 6 mi e Alturas (County Rd 56, Collis Ranch) Comment
  UC71864  Cryptantha intermedia Mrs. M. H. Manning Jul 1904 392 Modoc Mill Canyon, ne Modoc County Mill Canyon Comment
  HSC3607  Cryptantha intermedia var. hendersonii M. T. Milligan 1964-6-20 71 Modoc 4 mi. E of Hwy. 395 on Hwy. 299 1524 Comment
  RSA164361  Cryptantha simulans Clare B. Hardham 1961-6-19 7843 Modoc Willow Creek. 1524 Comment
  UC526166  Cryptantha simulans John Thomas Howell 1934-6-13 12043 Modoc Fandango Pass Warner Mts. 1828 Comment
  UC857267  Cryptantha simulans Lewis S. Rose 1940-6-14 40578 Modoc 14 mi nw Canby 1524 Comment
  UC194972  Cryptantha subretusa W. P. Taylor and H. C. Bryant 1910-7-13 Modoc Head of North Fork Parker Creek Warner Mountains 2286 Comment
  POM204142  Cryptantha torreyana J. T. Howell 1934-6-11 11984 Modoc Parker Creek, Warner Mts. 1585 Comment
  CAS-BOT-BC54083  Cryptantha watsonii Bruce Bartholomew; Barrett Anderson 1989-6-2 4823 Modoc Sand dunes at the SE corder of Upper Alkali Lake, E side of Surprise Valley. 1400 Comment
  UC1222085  Cupressus bakeri C. O. Stone 1963-12-26 276 Modoc approximately 1 mi s Gassaway Reservoir; Quadrangle 16C2 1109 Comment
  UC1222086  Cupressus bakeri C. O. Stone 1963-12-26 278 Modoc approximately 1.5 mi s Gassaway Reservoir; Quadrangle 16C2 1097 Comment
  UC1321448  Cupressus bakeri C. O. Stone 1964-6-20 COS 292 Modoc 200 yds e Modoc-Siskiyou County line (on logging road); Fall River Mills Quad. 1072 Comment
  CAS-BOT-BC95629  Cuscuta approximata Goss 1932-10-3 Modoc Modoc County. Comment
  CAS-BOT-BC498763  Cynoglossum occidentale L. S. Smith 1910-6-1 1110 Modoc Modoc Forest, Deep Creek R.S. above pasture 1524 Comment
  UC1204928  Cypripedium montanum R. C. Wilson 1933-6-21 99 Modoc Rush Creek Camp Canby Quadrangle Comment
  UC4448  Cypripedium montanum Mrs. R. M. Austin and Bruce 1908-8-1 2234 Modoc Rose Canyon Comment
  CAS-BOT-BC242182  Cypripedium montanum K. Paulson; Robert Paulson 1988-6-19 46 Modoc Field redacted by CAS, contact the data manager for more information 1554 Comment
  CAS-BOT-BC30219  Cystopteris fragilis B. Bartholomew; B. Anderson 1988-7-21 4603 Modoc above Upper rush Creek Campground ca. 4 km E of State Hwy 299 btwn Adin and Canby 1580 Comment
  UC123017  Cystopteris fragilis Mrs. R. M. Austin June 1894 170 Modoc Emigrant Springs; Lava Beds Comment
  UC42490  Cystopteris fragilis Geo. H. Boke 1890-1 Modoc Comment
  UCD60463  Danthonia californica L. Whitney 1935-7-7 3401 Modoc Howard Gulch. Comment
  CAS-BOT-BC242489  Danthonia unispicata C. L. Hitchcock 1940-5-28 6720 Modoc Near Surprise, ca. 15 mi. N of Alturas. 1402 Comment
  POM265519  Danthonia unispicata C. L. Hitchcock 1940-5-28 6720 Modoc near Surprise, ca. 15 miles north of Alturas 1402 Comment
  UCD61350  Danthonia unispicata A. A. Beetle 1941-6-29 2834 Modoc Near summit of Mt. Adin. 1828 Comment
  UCD61368  Danthonia unispicata Beecher Crampton 1960-6-17 5685 Modoc 5 miles south of Perez, Plant Quarantine Station area. 1371 Comment
  CAS-BOT-BC214752  Dasiphora fruticosa Bruce Bartholomew 1991-8-5 6073 Modoc Summit Trail, NW side of Squaw Peak, W side of Warner Mts. 2480 Comment
  RSA0118615  Deinandra lobbii Lowell Ahart, John Dittes 2013-7-25 18958 Modoc 30 yards north of the east-west fence, south edge of Ash Creek Floodplain, northeast of Patterson Homestead, east of Elkins Lane, 1.0 mile (air) south of County Road 87, 3.14 miles (air) west of Adin, Big Valley. 1267 Comment
  CAS-BOT-BC217337  Delphinium andersonii M. M. Hanna 1956-6-5 Modoc Cedar Pass Camp ground. Comment
  CAS-BOT-BC217340  Delphinium andersonii Elmer Ivan Applegate 1897-5-30 887 Modoc Tule Lake, near Carr Ranch. Comment
  CHSC67128  Delphinium andersonii James D. Jokerst 1987-5-11 2827 Modoc Radar Survey Site S of Doublehead Mtn., S of Clear Lake Reservoir. 1363 Comment
  JEPS86367  Delphinium andersonii Jack and Betty Guggolz 1988-6-27 951 Modoc both e and w of Jenkins Spring Comment
  CAS-BOT-BC217344  Delphinium depauperatum Bruce Bartholomew; Barrett Anderson 1989-6-2 4841 Modoc Vicinity of Stough Reservoir, Warner Mountains. 1950 Comment
  CAS-BOT-BC217301  Delphinium nudicaule Bruce Bartholomew; Barrett Anderson 1989-6-3 4919 Modoc Stone Coal Valley, 3 km E of State Hwy 299. 1400 Comment
  CAS-BOT-BC217316  Delphinium nuttallianum Bruce Bartholomew 1990-6-15 5225 Modoc S end of Deer Spring Ridge, 0.2 km N of turn off to Knox Flat. 1920 Comment
  CAS-BOT-BC217322  Delphinium nuttallianum Bruce Bartholomew; Barrett Anderson 1988-5-12 4103 Modoc White Horse. 1340 Comment
  CAS-BOT-BC217334  Delphinium nuttallianum Elmer Ivan Applegate 1932-7-31 7969 Modoc Mill Creek Meadows, Warner Mts. Comment
  CHSC31506  Delphinium nuttallianum N. E. H. Prouty 1980-7-1 194 Modoc Modoc National Forest. South of Soup Spring Campground. 2072 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
  UC912535  Delphinium stachydeum F. H. Frost 1925-7-25 157 Modoc Eagle Peak Warner Mts. Comment
  CAS-BOT-BC242479  Deschampsia danthonioides Roxana Stinchfield Ferris; R. Duthie 1919-6-14 167 Modoc Parker Creek at Modoc National Forest boundary. Comment
  JEPS73979  Deschampsia danthonioides Frances D. Payne 1932-6-24 650 Modoc s. and e. of Alturas (Parker Creek); Warner Mts., Parker Creek 1584 Comment
  UC1024678  Deschampsia danthonioides Leo Whitney 1934-5-10 2170 Modoc dry lake near Timbered Mt. (Devil's Garden); n.e. Modoc Co., Modoc Nat'l Forest, Devil's Garden 1524 Comment
  UC53589  Deschampsia danthonioides M. S. Baker and Frank Nutting 1894-6-13 Modoc w. shore of Egg Lake Comment
  UCR163107  Deschampsia danthonioides Jim Andre 1993-7-3 1426 Modoc Modoc Plateau, about 10 miles NW of Canby on Hwy 139, near NW end of Oak Ridge 1494 Comment
  JEPS68508  Deschampsia elongata Leland S. Smith 1918-8-10 1069 Modoc Silver Creek Comment
  CAS-BOT-BC58620  Descurainia incisa Bruce Bartholomew 1990-6-16 5251 Modoc Vicinity of roadhead to Pine Creek Basin, W side of Warner Mountains. 2040 Comment
  UC117453  Descurainia incisa subsp. filipes Mrs. R. M. Austin May 1894 19 Modoc Goose Lake Valley Comment
  HSC6713  Descurainia pinnata M. T. Milligan 1964-4-25 Modoc S end of Lower Cummings Reservoir, along base of dam Comment
  CAS-BOT-BC58443  Descurainia sophia E. S. Willits 1940-4-21 186 Modoc Near Stronghold, western Modoc Co. Comment
  JEPS14814  Descurainia sophia W. P. Taylor and H. C. Bryant 1910-6-11 Modoc Alturas Warner Mountains, South Fork of Pit River (South Fork of Pit River) 1402 Comment
  CAS-BOT-BC190760  Dicentra uniflora Bruce Bartholomew; Mona Bourell 1990-4-27 5196 Modoc Granger Summit Rd, 4 km N of southern turnoff to Deep Creek, Warner Mts. 2130 Comment
  CAS-BOT-BC190764  Dicentra uniflora Bruce Bartholomew; Mona Bourell 1990-4-28 5205 Modoc Top of Hunters Ridge S of Rush Creek. 1960 Comment
  NY500200  Dicentra uniflora R. M. Austin 07 1898 2154 Modoc Mount Bidwell Comment
  JEPS26494  Dicentra uniflora Lauramay T. Dempster 1961-6-19 1706 Modoc e of Davis Creek (town) (headwaters of south fork of Davis Creek); Davis Creek 2286 Comment
  JEPS58090  Dichelostemma multiflorum Frances D. Payne 1931-6-18 188 Modoc s and e of Alturas; Warner Mountains, Parker Creek 1584 Comment
  UC190626  Dieteria canescens var. shastensis M. F. Gilman 654 Modoc 1676 Comment
  CAS-BOT-BC14841  Dimeresia howellii Helen Katherine Sharsmith 1955-6-23 4490 Modoc North of State Highway 28, and 6.7 miles east of Cedar Campground 1859 Comment
  HSC80855  Dimeresia howellii G. M. Riegel 1980-7-15 Modoc South Warner Mtns. 2100 Comment
Read comments
Jan 28 2011
  JEPS26493  Dimeresia howellii Lauramay T. Dempster 1961-6-18 1700 Modoc 3.2 mi e Cedar Pass (canyon s of highway) 1676 Comment
  UCSB31429  Dimeresia howellii Haller, John 1978-7-19 Modoc Summit ridge of Warner Mountains, 1 km north of the Likely-Eagleville Road 2377 Comment
  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-BC229913  Diplacus cusickioides K. Paulson; Robert Paulson 1991-7-13 241 Modoc Granger Canyon, E side of Warner Warner Mountains. 1463 Comment
  CAS-BOT-BC234522  Diplacus layneae K. Paulson 1978-6-24 s.n. Modoc Egg Lake. Comment
  CAS-BOT-BC234499  Diplacus nanus Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-15 16498 Modoc Junction of gravel road to Tieneste & Glass Mt. with Canby-Klamath Falls Highway 139, 28 mi W of Canby. Comment
  CAS-BOT-BC234491  Diplacus nanus Clare Butterworth Hardham 1961-6-19 7827 Modoc Cogswell Creek. 1524 Comment
  CAS-BOT-BC234429  Diplacus pygmaeus Dean W. Taylor; Glenn L. Clifton; Rexford E. Palmer; Roy E. Buck 1987-6-6 9016 Modoc Egg Lake, in ephemeral creek draining to Kramer Reservoir. About 120 m upstream from the culvert of Forest Road 43N03 1289 Comment
  CHSC118305  Diplacus pygmaeus L. P. Janeway 2016-5-18 12067 Modoc Modoc Plateau. Devils Garden area; Island Meadow, along Road 47N08 2.1 road-km north of Road 73/181/47N09. 1606 Comment
  OBI49345  Diplacus pygmaeus David M. Thompson 1988-6-3 927 Modoc Egg Lake, S end. Between Kramer Reservoir and White Horse-Lookout road along intermittent stream; 2.3 rd mi W of RR crossing T40N, R6E, NW1/4, NW1/4 S22 1300 Comment
  CAS-BOT-BC95630  Dipsacus fullonum Bruce Bartholomew 1995-8-1 7141 Modoc 14.8 km N of turn off to Cedarville on U.S. Hwy 395 and 8 km S of Davis Creek. 1450 Comment
  SEINET10564495  Distichlis spicata var. stricta Louis C. Wheeler 1935-9-4 Wheeler 3945 Modoc Dry sunny sandy lake bed. McGinty Point, Goose Lake. 1463 Comment
  CAS-BOT-BC218296  Dodecatheon alpinum Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10524 Modoc Patterson Ranger Station (East Creek drainage). 2164 Comment
  JEPS14674  Dodecatheon alpinum L. S. Smith 1918-6-23 958 Modoc High Grade District 48-15 Warner Mts., High Grade District 48-15 2346 Comment
  HSC26507  Dodecatheon conjugens J. P. Smith, J. O. Sawyer 1972-5-6 5256 Modoc FS road to Quail Spring at Hwy. 299, N of Adin 1463 Comment
  JEPS14685  Dodecatheon conjugens Frances D. Payne 1932-5-27 407 Modoc s and e Alturas (Parker Creek, Warner Mountains); Warner Mountains, Parker Creek, s and e of Alturas 1584 Comment
  SD46622  Dodecatheon conjugens Robert J. Weatherby 1955-7-7 1600 Modoc Dismal Swamp, no. Warner Mts. 2240 Comment
  CAS-BOT-BC95124  Downingia bacigalupii Bruce Bartholomew 1991-7-4 5896 Modoc S end of Higgins Flat. 1370 Comment
  CAS-BOT-BC95126  Downingia bacigalupii R. M. Austin 1894-8-1 Modoc Goose Lake Valley. Comment
  CAS-BOT-BC95127  Downingia bacigalupii E. S. Willits 1940-6-10 343 Modoc Adin. Comment
  CHSC109675  Downingia bacigalupii Lowell Ahart; John Dittes 2012-7-10 18322 Modoc Along the sides and bottom of a small deep drainage, northeast of the old homestead, Ash Creek State Wildlife Area, about 3.4 miles (air) west of Adin, about 8.2 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  CAS-BOT-BC95123  Downingia bacigalupii C. C. (Mrs.) Bruce 1899-7-1 Modoc Goose Lake. Comment
  POM253177  Downingia bacigalupii A. A. Heller 1938-6-24 15229 Modoc Near Adin, along U.S. Hwy 299. 1280 Comment
  UC890640  Downingia bacigalupii A. A. Heller 1938-6-24 15229 Modoc near Adin (along U.S. Highway 299) 1280 Comment
  UC1520666  Downingia bicornuta Noel H. Holmgren and Patricia K. Holmgren 1980-7-1 9452 Modoc 13 air mi wnw Canby (Calif Highway 139, 14.2 mi wnw of junction with U.S. Highway 299) 1463 Comment
  JEPS108487  Downingia bicornuta var. bicornuta Lisa Schultheis 1996-6-29 311 -96 Modoc W of Goose Lake. On county Rd. 73 towards Crowder Flat, about 18 miles from Rt. 299. 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
  HSC3847  Downingia elegans M. T. Milligan 1964-7-1 118 Modoc W end of Ballard's Resvr. 1372 Comment
  JEPS5032  Downingia insignis Rimo Bacigalupi and L. R. Heckard 1952-6-18 3742 Modoc 0.75 mi e Canby (along U.S. Hwy 299, at railroad crossing) Comment
  UC1192039  Downingia insignis Verne Grant and Irving Schneider 1947-7-21 8115 Modoc 0.25 mi upstream South Fork of Pit River confluence with North Fork (by Alturas); South Fork of Pit River Comment
  UC890623  Downingia insignis Lewis S. Rose 1940-6-11 40511 Modoc Canby 1325 Comment
  JEPS114687  Downingia laeta Lowell Ahart, John Dittes 2008-6-21 14984 Modoc In the drying pond, north of the large culvert, east 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
  HSC80863  Draba albertina G. M. Riegel 1980-7-22 925 Modoc S Warner Mtns. 2402 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
  HSC75598  Draba paysonii G. M. Riegel 1980-8-14 1068 Modoc S Warner Mtns. 1829 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
  HSC25988  Drymocallis glandulosa var. glandulosa D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19492 Modoc Big Valley Summit, 6 mi. W of Adin on Hwy. 299 Comment
  UC12536  Drymocallis glandulosa var. glandulosa Milo S. Baker 1894-6-13 Modoc w side Egg Lake Comment
  JEPS87086  Drymocallis glandulosa var. glandulosa Teresa Sholars 1987-6-9 729 Modoc just above Stowe Campground; Warner Mountains, just above Stowe Campground Comment
  JEPS47207  Drymocallis glandulosa var. reflexa Frances D. Payne 1931-6-18 190 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  UC545676  Drymocallis lactea var. austiniae L. D. Whitney 1935-7-11 3479 Modoc Glass Mountain Glass Mountain (U.S.B.E. - Plot RS-4) Comment
  RSA604672  Elatine brachysperma L. C. Wheeler 1935-8-3 3763 Modoc Warner Mountains: Pine Creek. 1738 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
  CHSC117369  Elatine californica Lowell Ahart; John Dittes 2016-7-14 21211 A 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
  RSA210826  Elatine chilensis R. F. Thorne, James Henrickson, C. W. Tilforth, K. Thorne 1969-9-4 39120 Modoc N Fork of Pit River 3.4 mi N of Alturas where crossed by Hwy 395. 1341 Comment
  RSA210825  Elatine gracilis R. F. Thorne, C. W. Tilforth, K. Thorne 1969-9-4 39055 Modoc 2 mi W of Davis Creek (town), S of Goose Lake. 1433 Comment
  CHSC117015  Elatine rubella Lowell Ahart; John Dittes 2016-6-6 20955 Modoc About 100 yards east of the Parking Area, about one mile south of the intersection of County Road 87 and Access Road to Pilot Butte Parking Area, 3.8 miles (air) east of Lookout, 7.5 miles (air) west of Adin, Ash Creek State Wildlife Area. 1271 Comment
  CHSC99258  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
  JEPS127157  Elatine rubella Lowell Ahart, John Dittes 2016-7-14 21169 Modoc South of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. Comment
  CHSC112828  Eleocharis acicularis Lowell Ahart; John Dittes 2013-7-25 18967 Modoc Bottom of a dry deep drainage, west of where the road crossed, about 50 yards west of the north-south fence, south edge of Ash Creek Floodplain, northwest of Patterson Homestead, east of Elkins Lane, 1.0 mile (air) south of County Road 87, 3.14 miles (air) west of Adin, Big Valley. 1267 Comment
  UC1100602  Eleocharis engelmannii var. detonsa Herbert L. Mason 1947-8-13 13525 Modoc N of Canby, NE side of F reservoir Comment
  SJSU9588  Eleocharis macrostachya W. Savage 1979-7-5 1352 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  SD225711  Eleocharis pachycarpa Carol Witham, Jennifer Buck 2001-5-10 203 Modoc 5 miles NE along Hwy 139 from intersection with Hwy 299, south of Hwy 139, Canby site, pool #CAN001. 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
  RSA577446  Eleocharis palustris L. C. Wheeler 1935-9-1 3935 Modoc Pine Spring, Devil s Garden. 1524 Comment
  UCD49861  Eleocharis quinqueflora var. suksdorfiana Louis C. Wheeler 1935-7-15 3862 Modoc Dismal Swamp, twenty Mile Creek, Warner Mts., Modoc Co. 2225 Comment
  CAS-BOT-BC245107  Elodea canadensis Bruce Bartholomew 1992-8-10 6398 Modoc Rush Creek just N of Round Valley on Highway 299 1350 Comment
  UC70405  Elodea canadensis Milo S. Baker 1899-8-12 Modoc Egg Lake 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
  UC978995  Elymus X saundersii Leo Whitney 1935-7-19 3537 Modoc ca 15 mi nw Canby (dry bed of river); Modoc National Forest, Hackamore River 1463 Comment
  HSC8729  Elymus X saxicola M. T. Milligan 1966-7-7 567 Modoc East of Jess Valley. 1677 Comment
  HSC9684  Elymus cinereus R. C. Wunner 1965-6-22 237 Modoc Lava Beds N. M., 1/2 mi. N of Canby Cross. 1220 Comment
Read comments
Aug 20 2013
  SJSU2086  Elymus elymoides J. W. Tilden 1958-6-26 1272 Modoc near W side of Cedar Pass between Alturas & Cedarville, Warner Mts 1828 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
  HSC80813  Elymus glaucus G. M. Riegel 1979-7-16 560 Modoc South Warner Mountains 530 Comment
  HSC80814  Elymus glaucus G. M. Riegel 1979-9-1 744 Modoc S Warner Mtns. 509 Comment
  UC1137019  Elymus glaucus August L. Hormay 1932-7-17 Modoc Lily Lake Comment
  JEPS73992  Elymus glaucus subsp. glaucus Frances D. Payne 1932-7-18 708 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  CHSC112390  Elymus spicatus L. P. Janeway; B. Castro 2014-6-3 11316 Modoc Great Basin. Top of knoll between the lower end of Long Canyon and the lower end of Poison Springs Canyon, overlooking north end of Surprise Valley. 1567 Comment
  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
  JEPS114843  Elymus trachycaulus subsp. subsecundus Lowell Ahart, John Dittes 2008-6-21 15014 Modoc On the south side of the dirt road, uplands, in Big Valley, about 3.8 miles (air) northeast of the Headquarters at Ash Creek State Wildlife Area, about 6.5 miles (air) northeast of Bieber 1264 Comment
  HSC8762  Elymus trachycaulus subsp. trachycaulus M. T. Milligan 1966-7-3 547 Modoc Slopes and ridges E of Jess Valley 1829 Comment
  HSC8754  Elymus trachycaulus subsp. trachycaulus M. T. Milligan 1964-8-8 221 Modoc 3 miles W of Alturas on Modoc County Rd. 54A at Rifle Range. 1372 Comment
  CDA2058  Elytrigia repens T. C. Fuller 1958-7-8 1940 Modoc Corporation Ranch, Likely. 0 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-BC217291  Enemion stipitatum Bruce Bartholomew; Barrett Anderson 1989-4-27 4629 Modoc Little Hot Spring Valley, 4.0 km NW of Day. 1070 Comment
  SEINET12087293  Enemion stipitatum M. S. Baker 1896-1 s.n. Modoc no further locality Comment
  UCD106913  Epilobium R. E. Preston 2000-5-31 1354 Modoc Modoc Plateau, along Highway 139, ca. 1/2 mile W of Forest Service Road 44N11. Comment
  HSC16363  Epilobium anagallidifolium M. T. Milligan 1966-7-5 557 Modoc E of Jess Valley 1829 Comment
  CAS-BOT-BC191039  Epilobium angustifolium subsp. circumvagum Leland S. Smith 1919-7-1 980 Modoc Coyote Creek, Warner Mts. 1828 Comment
  CAS-BOT-BC191031  Epilobium brachycarpum John Thomas Howell 1934-7-1 12331 Modoc Duncan Horse Camp. 1355 Comment
  CHSC106346  Epilobium brachycarpum Lowell Ahart; John Dittes 2010-8-30 17067 Modoc About 15 yards west of the fence, south edge of the meadow, Ash Creek State Wildlife Area, 2,300 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  HSC16226  Epilobium brachycarpum M. T. Milligan 1966-7-25 574 Modoc E of Jess Valley 1646 Comment
  NY999860  Epilobium brachycarpum G. Schoolcraft 1993-8-2 2340 Modoc Near intersection of Hwy 395 and 299 east of Alturas 1372 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
  UC71573  Epilobium campestre Mrs. M. H. Manning 1903-8-27 337 Modoc Mt. Bidwell, Tamarack flat Comment
  HSC16364  Epilobium ciliatum subsp. ciliatum M. T. Milligan 1966-7-25 570 Modoc E of Jess Valley 1646 Comment
  JEPS39280  Epilobium ciliatum subsp. ciliatum W. L. Jepson 1918-8-12 7946 Modoc Jess Valley 1584 Comment
  UC1191718  Epilobium ciliatum subsp. ciliatum Verne Grant and Irving Schneider 1947-7-19 8079 Modoc near Tules of East Canal (along Southern Pacific right-of-way, between Alturas and Likely); Williams Ranch 1219 Comment
  CAS-BOT-BC497313  Epilobium ciliatum subsp. ciliatum Belknap C. Goldsmith 1912-8-6 83 Modoc West side of Goose Lake 1463 Comment
  CAS-BOT-BC190991  Epilobium ciliatum subsp. glandulosum Bruce Bartholomew 1989-8-11 5092 Modoc Vicinity of Patterson Ranger Station, S end of Warner Moutains. 2160 Comment
  HSC16326  Epilobium ciliatum subsp. glandulosum M. T. Milligan 1964-7-25 168 Modoc Pine Creek Basin, along trail. 2439 Comment
  SEINET195712  Epilobium ciliatum subsp. glandulosum Louise Kellogg, Annie M Alexander 1946-7-17 5008 Modoc Benton Meadow Warner Mountains 2073 Comment
  HSC12280  Epilobium densiflorum Richard Spjut 1970-7-20 861 Modoc 2 mi. E of Alturas, across the road from the wildlife refuge entrance Comment
  CAS-BOT-BC497332  Epilobium glaberrimum subsp. fastigiatum G. Schoolcraft 1997-8-10 2696 Modoc Warner Mtns. S of N. Emerson Lake 2590 Comment
  SEINET191882  Epilobium hornemannii C. L. Hitchcock 1940-5-27 6710 Modoc 15 miles NE of Alturas 1615 Comment
  CAS-BOT-BC497324  Epilobium hornemannii subsp. hornemannii Annie M. Alexander; Louise Kellogg 1946-7-11 4964 Modoc Slope west Eight Mile Creek, NE corner Comment
  NY1000485  Epilobium obcordatum B. M. Bartholomew 1990-8-4 5630 Modoc Crest of the Warner Mountains, ca. 0.5 km southeast of Patterson Lake along Summit Trail 2770 Comment
  NY1000489  Epilobium obcordatum F. M. Ownbey 1940-7-1 2157 Modoc Near summit of Cedar Peak, Warner Mountains Comment
  NY1000490  Epilobium obcordatum B. M. Bartholomew 1995-7-31 7080 Modoc 2.4 km from Forest Service road 46N30 on road towards Bald Mountain, east side of the Warner Mountains 2150 Comment
  UC704887  Epilobium obcordatum Marion Ownbey and Fred G. Meyer 1940-7-1 2157 Modoc near summit of Cedar Peak; Warner Mts. Comment
  CAS-BOT-BC190929  Epilobium pallidum Herbert Louis Mason; Verne Grant 1947-7-13 13441 Modoc Joseph Creek on Hwy 395. Comment
  UCD77623  Epilobium pallidum Robert E. Preston 2000-7-18 1399 Modoc Ca. 12 miles NW of Canby, along Highway 139, 1.6 miles E of Forest Service Road 44N11. 1490 Comment
  RSA795598  Epilobium pygmaeum L. Ahart, John Dittes 2010-8-30 17058 Modoc On the sides of a small wash, about 10 yards east of the fence, south edge of the meadow, Ash Creek State Wildlife Area, 2300 feet north of Lassen County Line, about 3.6 air miles west of Adin, about 8.0 air miles northeast of Bieber, Big Valley. 1268 Comment
  NY1000569  Epilobium torreyi A. Tiehm 1984-7-30 8828 Modoc 8.9 road miles northeast of Ft. Bidwell on the main road to Adel, just past the road summit 1615 Comment
  JEPS89834  Equisetum arvense Dean W. Taylor 1992-5-8 12557 Modoc ca. 1.5 air mi. w. of Oregon State Line Pine Creek Canyon; Warner Mts., Pine Creek Canyon 1554 Comment
  HSC856  Equisetum arvense M. T. Milligan 1965-6-26 321 Modoc E of Jess Valley 1585 Comment
  CAS-BOT-BC30183  Equisetum laevigatum Bruce Bartholomew; Barrett Anderson 1988-7-21 4435 Modoc Vicinity of Lower Rush Creek Campground ca. 1 km E of State Highway 299 between Adin and Canby. 1430 Comment
  CAS-BOT-BC30184  Equisetum laevigatum Bruce Bartholomew; M; M. Gilbert; L. E. Skog 1993-5-13 6543 Modoc 8 km E of Likely along S Fork of Pit River. 1380 Comment
  RSA252421  Equisetum laevigatum R. F. Thorne, C. W. Tilforth 1969-9-5 39182 Modoc South Fork of Pit River at bridge, 3.8 miles E of Likely 1387 Comment
  CAS-BOT-BC95471  Eremogone aculeata Roxana Stinchfield Ferris; R. Duthie 1919-6-16 135 Modoc Above Parker Creek, Warner Mts. Comment
  CAS-BOT-BC95454  Eremogone congesta R. K. Gierisch; D. H. Esplin 1969-7-15 3544 Modoc unspecified 1524 Comment
  CAS-BOT-BC95456  Eremogone congesta Alice Eastwood; John Thomas Howell 1940-6-13 8110 Modoc Surprise. Comment
  CAS-BOT-BC95465  Eremogone congesta Alice Eastwood; John Thomas Howell 1940-6-11 8005 Modoc 6 mi. NE of Adin on road to Canby. Comment
  CAS-BOT-BC95453  Eremogone congesta Elmer Ivan Applegate 1897-6-5 865 Modoc N of Alturas Comment
  SEINET12875573 Image available Eremogone congesta var. subcongesta John Thomas Howell, Alice Eastwood 1940-1 8110 Modoc Surprise Comment
  RSA0057647  Eremogone congesta var. suffrutescens Christopher Davidson 1973-5-26 2130 Modoc 4 miles W of Canby on Hwy 299. 1341 Comment
  HSC67899  Ericameria bloomeri J. P. Smith, J. O. Sawyer 1973-8-9 7266 Modoc Blue Lake, Modoc National Forest. 1829 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
  UC749386  Ericameria discoidea Annie M. Alexander and Louise Kellogg 1946-8-1 5104 Modoc Eagle Peak Modoc National Forest, Warner Mountains, Eagle Peak 2763 Comment
  HSC81131  Ericameria greenei G. M. Riegel 1980-8-29 1126 Modoc South Warner Mtns. 1829 Comment
  UC711835  Ericameria greenei Roxana S. Ferris and Laura Lorraine 1941-8-14 10618 Modoc summit Fandango Pass (on road between Fort Bidwell and Pine Creek); Modoc National Forest, Warner Mountains 1889 Comment
  CAS-BOT-BC287482  Ericameria greenei Louis C. Wheeler 1935-8-14 1565 Modoc Lily Lake, Warner Mts, Modoc National Forest 2133 Comment
  CHSC42147  Ericameria nauseosa C. E. Laver 1985-8-12 Modoc Ca. 8 mi s of Alturas and 0.2 mi e of Eastside Canal. Along roadsides. 1280 Comment
  JEPS117377  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
  CAS-BOT-BC298194  Ericameria nauseosa var. oreophila Elmer I. Applegate 1932-8-6 8199 Modoc E side of Middle Lake, Surprise Valley Comment
  UC217105  Ericameria nauseosa var. speciosa H. M. Hall 1921-9-8 11662 Modoc about 1 mi from the Oregon line (n Modoc County) Comment
  UCD131147  Ericameria parryi var. latior Beecher Crampton 1954-7-8 2198 Modoc 4 miles west of Alturas, on small volcanic mesa. Comment
  JEPS5929  Erigeron aphanactis var. aphanactis Frances D. Payne 1932-6-10 426 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  CDA4406  Erigeron austiniae T. C. Fuller 1965-6-2 13595 Modoc South side of Highway 299 to Canby, 10.3 miles west of Alturas. 0 Comment
  POM357572  Erigeron bloomeri Christopher Davidson 1973-5-26 2115 Modoc 4 miles W of Canby on Hwy 299. 1341 Comment
  CAS-BOT-BC42804  Erigeron bloomeri var. bloomeri Alice Eastwood; John Thomas Howell 1940-6-12 8104 Modoc W side of Cedar Pass. Comment
  CAS-BOT-BC42806  Erigeron bloomeri var. bloomeri Barrett Anderson 1986-7-9 3134 Modoc Roney Flat Rd just off Hwy 299. 1435 Comment
  CAS-BOT-BC42807  Erigeron bloomeri var. bloomeri M. M. Hanna 1956-6-3 s.n. Modoc Hiway between Alturas & Cedarville, Calif. Comment
  CAS-BOT-BC42810  Erigeron bloomeri var. bloomeri Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16385 Modoc 5 mi. E of California State Hwy 299 on Cedar Pass Rd. Comment
  CAS-BOT-BC42849  Erigeron bloomeri var. bloomeri Bruce Bartholomew; Barrett Anderson 1988-6-25 4393 Modoc 5.6 km NW of State Highway 299 on County Road 73. 1500 Comment
  CAS-BOT-BC42850  Erigeron bloomeri var. bloomeri Bruce Bartholomew; Barrett Anderson 1989-6-2 4785 Modoc Long Canyon, 12 km NE of Fort Bidwell on the road to the Oregon border. 1550 Comment
  CHSC112854  Erigeron bloomeri var. bloomeri L. P. Janeway; B. Castro 2014-6-2 11281 Modoc Great Basin. Along County Road 5 1.0 km west of the southwest corner of Cow Head Lake. 1627 Comment
  POM260053  Erigeron bloomeri var. bloomeri C. L. Hitchcock 1940-5-27 6669 Modoc 15 miles NE of Alturas. 1616 Comment
  HSC27247  Erigeron chrysopsidis var. austinae J. P. Smith, J. O. Sawyer 1972-5-6 5270 Modoc Along Hwy. 299, 4 mi. W of Modoc County Rd. 58, E of Alturas 1494 Comment
  UC31421  Erigeron chrysopsidis var. austiniae Mrs. R. M. Austin 1894-5-1 Modoc Comment
  UC1567365  Erigeron compositus G. Schoolcraft 1989-7-16 1955 Modoc near Patterson Lake; Warner Mtns. 2773 Comment
  UC748396  Erigeron coulteri Annie M. Alexander and Louise Kellogg 1946-8-3 5109 Modoc head of Eagle Creek; Warner Mountains, Eagle Creek Comment
  CAS-BOT-BC42777  Erigeron divergens Annie M. Alexander; Louise Kellogg 1946-6-4 4658 Modoc Eagleville. Comment
  CAS-BOT-BC42778  Erigeron divergens Milo Samuel Baker; Franklin P. Nutting 1894-1-1 s.n. Modoc unspecified Comment
  POM357394  Erigeron divergens Christopher Davidson 1973-5-24 2102 Modoc Junction of Hwy. 395 and County Road 63, near Likely, south of Alturas 1311 Comment
  UC31460  Erigeron divergens M. S. Baker and Frank Nutting 1894-1 Modoc Comment
  CAS-BOT-BC42751  Erigeron eatonii var. plantagineus Bruce Bartholomew 1993-6-14 6677 Modoc Open moist flat SW of Stovepipe Flat Tank just N of road between Deer Hill and Duncan Reservoir. 1530 Comment
  RSA163737  Erigeron eatonii var. plantagineus Clare B. Hardham 1961-6-18 7573 Modoc Mtns S of Cedar Pass. 1982 Comment
  UC444441  Erigeron eatonii var. plantagineus Mrs. R. M. Austin and Mrs. Bruce July 1898 2311 Modoc Lake Shore 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
  POM229172  Erigeron eatonii var. plantagineus L. C. Wheeler 1935-8-4 3783 Modoc Dry Lake, Pine Creek. Warner Mts. 2104 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
  HSC28859  Erigeron eatonii var. sonnei D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19490 Modoc At Big Valley summit about 6 mi. W of Adin on Hwy. 299 Comment
  CAS-BOT-BC42774  Erigeron filifolius John Thomas Howell 1934-6-13 12099 Modoc Patterson Mill Road, Warner Mountains 1676 Comment
  HSC5517  Erigeron filifolius M. S. Baker 1893-1 Modoc Lava Bed, Egg Lake Comment
  SEINET10813398  Erigeron filifolius var. filifolius Andrew Townesmith, Karen M. Meyer 2007-9-15 Townesmith 933 Modoc Modoc National Forest, Warner Mountain Ranger District. Cedar Creek Upper Trailhead, 0.6 miles off state route 299 on Forest Service road 195. T43N R15E S33. 1948 Comment
  SEINET8667350 Image available Erigeron glacialis D. A. 1988-8-13 205 Modoc Warner Mountains, near northeast shore of Patterson Lake 2749 Comment
  CAS-BOT-BC49632  Erigeron inornatus var. inornatus Francis Dorris Payne 1931-6-11 148 Modoc Parker Creek. 1584 Comment
  CAS-BOT-BC49641  Erigeron linearis Alice Eastwood; John Thomas Howell 1940-6-12 8083 Modoc Jess Valley. Comment
  UC748380  Erigeron linearis Annie M. Alexander and Louise Kellogg 1946-8-9 5137 Modoc Patterson Lake Trail Warner Mountains, Patterson Lake Trail Comment
  JEPS5921  Erigeron linearis Frances D. Payne 1929-6-19 10 Modoc s and e of Alturas (Parker Creek); Warner Mountains, Parker Creek 1584 Comment
  RSA554794  Erigeron linearis Margaret J. Williams 1988-5-30 88- 26 -3 Modoc Jess Valley, S of roadside rest. 1524 Comment
  CAS-BOT-BC49581  Erigeron philadelphicus Barrett Anderson 1986-7-9 3181 Modoc Warner Mtns., Stough Reservoir Rd., just E of Cedar Pass near Stough Reservoir 1965 Comment
  RSA293359  Eriogonum douglasii var. douglasii Reino Alava 1957-7-5 1155 Modoc Cedar Pass, Modoc National Forest, Warner Mountains Comment
  UC85863  Eriogonum elatum Mrs. R. M. Austin Modoc Comment
  RSA65181  Eriogonum elatum var. elatum F. W. Peirson 1926-6-25 6860 Modoc West slope of Warner Mountains on Cedarville Road. Comment
  RSA509466  Eriogonum heracleoides var. heracleoides G. R. Ballmer 1988-7-21 s.n. Modoc Warner Mountains, Bidwell Mounatain, approx. 3 miles S of Oregon border in extreme NE corner of state Comment
  UC1250297  Eriogonum heracleoides var. heracleoides Annie M. Alexander and Louise Kellogg 1946-7-11 4967 Modoc slope w Eight Mile Creek (ne corner of county) 1752 Comment
  UC217575  Eriogonum microthecum var. laxiflorum H. M. Hall 1921-9-9 11665 Modoc 6 mi from Malin Comment
  NY570387  Eriogonum nudum S. L. Welsh 2001-6-14 28160 Modoc Along highway 395. Ca. 6 miles south of Alturas Comment
  CAS-BOT-BC211418  Eriogonum nudum var. pubiflorum Bruce Bartholomew 1989-7-14 4925 Modoc Along Rush Creek between Lower and Upper Rush Creek Campgrounds. 1580 Comment
  CAS-BOT-BC211443  Eriogonum nudum var. pubiflorum Roxana Stinchfield Ferris; R. Duthie 1919-6-15 190 Modoc Above Parker Creek near Modoc Nat. Forest. Comment
  NY716885  Eriogonum nudum var. pubiflorum R. R. Halse 2004-7-22 6671 Modoc Along U. S. Highway 395, ca. 6 miles north of Aturas 1341 Comment
  NY762343  Eriogonum nudum var. pubiflorum R. R. Halse 1991-7-28 4244 Modoc Along State Highway 139, 13 miles northwest of its junction with State Highway 299 1469 Comment
  SBBG1565  Eriogonum nudum var. pubiflorum H. and M. Dearing 1939-6-9 3612 Modoc near Cedarville Comment
  UC412864  Eriogonum nudum var. pubiflorum W. P. Taylor and H. C. Bryant 1910-6-25 Modoc Parker Cr. Warner Mountains, Parker Cr. 1676 Comment
  NY762338  Eriogonum nudum var. pubiflorum H. D. D. Ripley 1944-6-1 6030 Modoc Foothills of Warner Mountains, west of Cedarville 1493.5 Comment
  NY283201  Eriogonum ovalifolium subsp. flavissimum L. C. Wheeler 1935-8-5 3790 Modoc Pine Creek, Warner Mountains 2377.4 Comment
  NY282050  Eriogonum ovalifolium var. nevadense G. Riegel 1981-6-23 1169 Modoc Near Cedarville. 1645.9 Comment
  UC1567366  Eriogonum ovalifolium var. nivale G. Schoolcraft 1989-7-16 1957 Modoc e Patterson Lake; Warner Mtns. 2804 Comment
  CAS-BOT-BC211398  Eriogonum ovalifolium var. ovalifolium Bruce Bartholomew; Barrett Anderson 1989-6-2 4828 Modoc 9.7 km E of Eagleville at the California state border, E side of Surprise Valley. 1550 Comment
  CAS-BOT-BC218198  Eriogonum prociduum Dean William Taylor; G. L. Clifton 1987-6-27 9104 Modoc Hwy 395 ca. 3.5 mi N of N junction with Hwy 299. 1371 Comment
  HSC68925  Eriogonum prociduum var. prociduum Gary Schoolcraft 1980-8-10 Modoc Summit of Warner Mtns. 2683 Comment
  CAS-BOT-BC211380  Eriogonum sphaerocephalum var. halimioides Robert J. Weatherby 1955-7-8 1641 Modoc West side of Cedar Pass, near Marner Mts. 1645 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-BC211392  Eriogonum sphaerocephalum var. halimioides Barrett Anderson 1986-7-9 3159 Modoc Warner Mts, Hwy 299 just W of Cedar Pass. 1920 Comment
  UC1250286  Eriogonum sphaerocephalum var. halimioides Annie M. Alexander and Louise Kellogg 1946-8-8 5124 Modoc Patterson Lake trail Warner Mountains, Patterson Lake trail Comment
  UC1334498  Eriogonum sphaerocephalum var. halimioides Dorothy E. Beetle 1941-6-29 66 Modoc at the pass of the road to Cedarville 2118 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
  SEINET5331612  Eriogonum sphaerocephalum var. halimioides M. J. Williams 1962-7-8 s.n. Modoc North of Cedar Pass. 2134 Comment
  UC190614  Eriogonum sphaerocephalum var. halimioides M. F. Gilman 572 Modoc 1981 Comment
  CAS-BOT-BC211365  Eriogonum strictum subsp. anserinum Amos Arthur Heller 1938-6-24 15223 Modoc Slopes between Alturas and Canby. 1341 Comment
  UC1035865  Eriogonum strictum var. anserinum Annie M. Alexander and Louise Kellogg 1946-7-11 4971 Modoc ne corner of mesa w Eight Mile Creek Comment
  CAS-BOT-BC211370  Eriogonum umbellatum Robert Patterson; Mona Bourell 1993-8-15 5252 Modoc Warner Mountains. Along trail from Patterson Lake to ca. 2 mi north towards Pepperdine Trailhead. 2743 Comment
  CAS-BOT-BC211374  Eriogonum umbellatum Leland S. Smith 1924-6-8 1380 Modoc Lavas W of Egg Lake and northward. 1310 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-BC211367  Eriogonum umbellatum B. Bartholomew; Barrett Anderson 1988-7-22 4523 Modoc S end of Bearcamp Flat, southern end of Warner Mountains 2230 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
  CHSC63413  Eriogonum umbellatum var. glaberrimum V. H. Oswald; Beth Corbin, Mike Dolan, Allison Sanger 1994-7-9 6373 Modoc Dismal Swamp ca. 6 mi (air) E of Hwy. 395, just S of the Oregon border. Scattered plants on a dry outcrop above a large meadow along Dismal Creek. 2218 Comment
  HSC12278  Eriogonum umbellatum var. glaberrimum Richard Spjut 1970-7-22 872 Modoc N Warner Mtns., 6 mi. from Lake City, on Rd. to Plum Valley Campground 1982 Comment
  RSA279672  Eriogonum umbellatum var. glaberrimum James L. Reveal 1978-8-11 4823 Modoc Warner Mountains, Dismal Swamp, about 2 miles north of Modoc Co. Road 2, at the NW end of Dismal Swamp south of Dismal Creek 2226 Comment
  NY399210  Eriogonum umbellatum var. modocense J. L. Reveal 1971-6-22 2461 Modoc Along U.S. highway 395 at Davis Creek 1453.9 Comment
  RSA420579  Eriogonum umbellatum var. modocense Christopher Davidson 1973-5-26 2144 Modoc 1 mile N of Adin Summit on St. Hwy 299; Modoc Nat'l Forest 1524 Comment
  RSA554809  Eriogonum umbellatum var. modocense M. J. Williams 1988-5-30 88- 23 -1 Modoc First road into Big Sage Reservoir from Crowder Flat road, NW of Alturas. 1540 Comment
  UC190600  Eriogonum umbellatum var. modocense M. F. Gilman 573 Modoc 1676 Comment
  CAS-BOT-BC197786  Eriogonum umbellatum var. nevadense Robert J. Weatherby 1955-7-8 1633 Modoc 3 mi. N of Ft. Bidwell, Warner Mts. 1554 Comment
  NY399278  Eriogonum umbellatum var. nevadense B. M. Bartholomew 1990-6-15 5246 Modoc Top of Manzanita Mountain in vicinity of Manzanita Lookout. 2130 Comment
  UC1250285  Eriogonum umbellatum var. nevadense Annie M. Alexander and Louise Kellogg 1946-7-11 4972 Modoc mesa w Eight Mile Creek 1752 Comment
  CAS-BOT-BC197611  Eriogonum umbellatum var. polyanthum Annie Montague Alexander; L. Kellogg 1946-7-30 5094 Modoc East slope below summit of Eagle Peak. Comment
  CAS-BOT-BC197776  Eriogonum umbellatum var. polyanthum Alice Eastwood; John Thomas Howell 1940-6-13 8115 Modoc Surprise. Comment
  HSC80996  Eriogonum umbellatum var. polyanthum G. M. Riegel 1979-7-15 563 Modoc S Warner Mtns. 1739 Comment
  SEINET5331989  Eriogonum umbellatum var. polyanthum M. J. Williams 1984-7-1 84- 86 -3 Modoc 3.1 mi N of Hwy 299 on Crowder Flat Road. 1341 Comment
  CAS-BOT-BC197592  Eriogonum vimineum Bruce Bartholomew; Barrett Anderson 1988-6-23 4230 Modoc 2.1 km SSE of Day on the road to State Highway 299. 1020 Comment
  CAS-BOT-BC197598  Eriogonum vimineum Bruce Bartholomew; Barrett Anderson 1990-7-21 5553 Modoc W edge of Middle Alkali Lake, directly E of Cedarville, Surprise Valley. 1370 Comment
  HSC41120  Eriogonum vimineum Thomas W. Nelson, Jane P. Nelson, James Nelson 1976-8-29 3254 Modoc Modoc National Forest: along Hwy. 299 just NW of Adin Pass 1524 Comment
  HSC45971  Eriophorum gracile J. P. Smith, J. O. Sawyer 1973-8-9 7279 Modoc Blue Lake, Modoc Natl. Forest 1829 Comment
  CAS-BOT-BC49591  Eriophyllum lanatum Francis Dorris Payne 1934-8-29 s.n. Modoc Parker Creek. 1584 Comment
  RSA0118930  Eriophyllum lanatum var. achilleoides L. P. Janeway 2014-7-8 11471 Modoc Modoc Plateau. East corner of Dry Creek Rim; along Road 47N08 (Corral Creek Road) 5.1 road-km north-northwest of Road 48 (along the west edge of Goose Lake). 1759 Comment
  RSA152611  Eriophyllum lanatum var. achilleoides I. L. Wiggins, Dorothy Wiggins 1961-6-12 16372 Modoc At junction of Cedar Pass road with California Highway 299, 5.5 miles N of Alturas. Comment
  RSA289483  Eriophyllum lanatum var. achilleoides Dale E. Johnson, J. E. Eckenwalder 1974-6-15 130 Modoc SW of Canby; 2.6 km (1.6 miles) west of crossing of Pit River on Hwy. 299 (Adin-Canby Road). Comment
  RSA504606  Eriophyllum lanatum var. achilleoides Bruce Bartholomew, B. Anderson 1988-6-23 4264 Modoc 1.8 km WSW of Day on County Road 94. 1170 Comment
  SD61001  Eriophyllum lanatum var. achilleoides Darley F. Howe 1964-7-31 Modoc 8.5 miles from entrance to Modoc National Forest, road east of Likely, Warner Mountains. 1555 Comment
  HSC8473  Erodium cicutarium M. T. Milligan 1965-6-26 322 Modoc N end Jess Valley. 1616 Comment
  UCR101247  Eryngium alismifolium L. C. Wheeler 1935-8-21 3900 Modoc Devils Garden; Pine Spring 1524 Comment
  CAS-BOT-BC497205  Eryngium alismifolium Louis C. Wheeler 1935-8-21 3900 Modoc Davil's Garden: Pine Spring 1524 Comment
  CAS-BOT-BC21475  Eryngium articulatum Bruce Bartholomew; Barrett Anderson 1988-6-23 4289 Modoc S side of Egg Lake, ca. 1.5 km W of the Burlington Northern railroad track. 1300 Comment
  JEPS16981 Image available Eryngium articulatum Milo S. Baker 1899-8-12 Modoc near Large's; Egg Lake; Egg Lake, Modoc Co. Comment
  SEINET516150  Eryngium articulatum Vernon H. Oswald 1998-9-8 9590 Modoc County Rd. 93 adjacent to the RR at Lookout Junction northwest of Lookout. 1280 Comment
  POM126828  Eryngium articulatum M. S. Baker s.n Modoc [No locality information on label] Comment
  CHSC100462  Eryngium mathiasiae Lowell Ahart; John Dittes 2008-8-25 15306 Modoc On the west bank (flood plain) of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout. 1273 Comment
  CAS-BOT-BC58327  Erysimum capitatum var. capitatum Bruce Bartholomew 1992-5-16 6336 Modoc Burned area along County Road 91, ca. 2.5 km S of turn off to Happy Camp Ranger Station. 1390 Comment
  CAS-BOT-BC58328  Erysimum capitatum var. capitatum M. M. Hanna 1956-6-7 Modoc East side, Glass Mtn., 4 mi. Comment
  JEPS90160  Erysimum repandum Dean Wm. Taylor with Glenn L. Clifton 1992-5-7 12532 Modoc 7 mi w of Alturas (Modoc Plateau, Highway 299 at Milepost 25.5, on hillside 0.3 mi n of the highway); Modoc Plateau, Highway 299 at Milepost 25.5 Comment
  RSA262451  Erysimum repandum W. A. Harvey 1954-6-3 s.n. Modoc Al Lindgren Ranch, 2 miles NE of Alturas. Comment
  CAS-BOT-BC229920  Erythranthe guttata Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16393 Modoc Along Thoms Creek, 6.1 mi. E of Hwy 299 along road to Cedarville. Comment
  CAS-BOT-BC229924  Erythranthe guttata Edward Kent Balls 1950-5-10 14602 Modoc Menlo Baths, W of Lower Alkali Lake. 1432 Comment
  CAS-BOT-BC234509  Erythranthe guttata Bruce Bartholomew; Barrett Anderson 1988-7-21 4465 Modoc Vicinity of Patterson Campground, southern end of the Warner Mts. 2190 Comment
  CAS-BOT-BC234501  Erythranthe microphylla K. Paulson; Robert Paulson 1988-6-19 44 Modoc Near Cottonwood Flat. 1539 Comment
  CHSC14174  Erythranthe microphylla K. R. Stern; D. B. Joley, J. G. Geschke 1974-6-22 5828 Modoc W side of Egg Lake. 1295 Comment
  CDA8340  Euclidium syriacum Carri Pirosko 2008-6-12 PDR# 1303871 Modoc Off Hwy 299, ~5 miles W. of Alturas 0 Comment
  UCR138443  Eupatorium occidentale David A. Charlet 1989-8-17 563 Modoc 1 km SW of Dusenbery Peak, Warner Mountains 2771 Comment
  CDA36284  Euphorbia virgata C. Pirosko 2004-1 s.n. Modoc Tulelake area? 0 Comment
  UCD142358  Euphorbia virgata R. N. Raynor 1939-6-2 s.n. Modoc Chace Valley near Adin. 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
  CHSC117227  Festuca idahoensis Lowell Ahart; John Dittes 2016-6-6 20941 Modoc About 20 yards west of the dirt road, about 50 yards southwest of the intersection of County Road 87 and Access Road to Pilot Butte Parking Area, northeast base of Pilot Butte, 3.8 miles (air) east of Lookout, 7.5 miles (air) west of Adin, Ash Creek State Wildlife Area. 1271 Comment
  UC1024898  Festuca idahoensis Leo Whitney 1935-5-23 3116 Modoc 15 mi nw Canby; Modoc National Forest, Hackamore 1463 Comment
  UC1024907  Festuca idahoensis Leo Whitney 1935-5-19 3103 Modoc ca 15 mi nw Canby; Modoc National Forest, Hackamore 1463 Comment
  SEINET10559248  Festuca idahoensis Leila M. Shultz, John S. Shultz 1985-6-23 Shultz 8593 Modoc Modoc Plateau at the western extension of the Great Basin between Beeler & Duncan reservoirs north of Canby near Highway 139. Pinus ponderosa-Juniperus occidentalis-Artemisia-Purshia tridentata association; pines laden with lichens. Open areas of gravel soils. 1311 Comment
  UC1024863  Festuca occidentalis Leo Whitney 1935-6-1 3162 b Modoc ca 18 mi wnw Canby; Hole-in-the-Rock Comment
  JEPS74011  Festuca pratensis Frances D. Payne 1932-7-18 711 Modoc s. and e. Alturas (Parker Creek); Warner Mts., Parker Creek 1584 Comment
  UC1025056  Festuca pratensis Leo Whitney 1935-7-21 3580 Modoc 15 mi w Canby; Modoc National Forest, Happy Camp 1463 Comment
  UCD66351  Festuca rubra L. Whitney 1935-7-7 Modoc Howard Gulch. Comment
  CAS-BOT-BC179188  Floerkea proserpinacoides Frank Warrington Peirson 1926-6-25 6888 Modoc Small side canyon, 1 mi. E of summit, Cedarville Rd. Comment
  UC869454  Floerkea proserpinacoides C. L. Hitchcock 1940-5-27 6696 Modoc 15 mi ne of Alturas 1615 Comment
  POM204120  Floerkea proserpinacoides J. T. Howell 1934-6-14 12130 Modoc Near Lost Lake, Warner Mts. 2439 Comment
  POM518787  Frasera albicaulis var. nitida Barbara Ertter 1988-6-18 7620 Modoc Hwy 139 ca 50 airmiles SW of Klamath Falls, a few miles N of Agric. Inspection State, 1 mi S of S jct to Lava Beds Nat l Monument E of Tonesta. 1311 Comment
  RSA534561  Fraxinus latifolia Bruce Bartholomew 1991-7-6 5982 Modoc W side of Egg Lake 1300 Comment
  CAS-BOT-BC504372  Fritillaria Mrs. R. M. Austin; Bruce 1898-6-1 2288 Modoc Lake City Mountain Comment
  SEINET8478730  Fritillaria atropurpurea W. Roderick 1963-1 Modoc Comment
  CAS-BOT-BC242091  Fritillaria pudica Bruce Bartholomew; Barrett Anderson 1989-4-28 4656 Modoc SW corner of Raker & Thomas Reservoir. 1500 Comment
  CAS-BOT-BC242099  Fritillaria pudica Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-10 6432 Modoc 5 km NE of Davis Creek on road to Plum Valley Campground. 1700 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
  UC1036047  Fritillaria pudica Annie M. Alexander and Louise Kellogg 1946-6-8 4699 Modoc road from Eagleville to Patterson Mill 2286 Comment
  JEPS61945  Fritillaria pudica Mary H. Manning 1911-4-2 Modoc about 100 feet above Rhett Lake ((Tule Lake), e side) Comment
  JEPS61946  Fritillaria pudica Mary H. Manning 1912-4 Modoc Tule Lake Comment
  UC429296  Fritillaria pudica Milo S. Baker 1896-5-15 86 Modoc Levi Brown's place Comment
  RSA520504  Fritillaria recurva Bruce Bartholomew, M. Bourell 1990-4-26 5152 Modoc 0.5 km S of Day. 1100 Comment
  UC3665  Fritillaria recurva Milo S. Baker 1893-6 Modoc Modoc County Comment
  CAS-BOT-BC225049  Galium aparine Robert J. Weatherby 1955-7-8 1623 Modoc 6 mi. N of Ft. Bidwell. 1737 Comment
  CAS-BOT-BC225056  Galium aparine Bruce Bartholomew; Barrett Anderson 1989-4-29 4672 Modoc 6.4 km E of Fort Bidwell on road to Fee Reservoir, NE corner of Surprise Valley. 1460 Comment
  HSC80761  Galium aparine G. M. Riegel 1980-7-24 935 Modoc South Warner Mtns. 2100 Comment
  CAS-BOT-BC225069  Galium glabrescens subsp. modocense Bruce Bartholomew 1991-8-5 6071 Modoc Summit Trail between Squaw Peak and Cottenwood Lake along crest of Warner Mts. 2530 Comment
  CAS-BOT-BC225071  Galium glabrescens subsp. modocense M. Vasey 1990-6-28 9008 Modoc In vicinity of pass at junction of N Emerson Lake Trail and Owl Creek Trail, on Cole Peak side of pass. 2590 Comment
  UC1192011  Galium mexicanum var. asperulum Verne Grant and Irving Schneider 1947-7-22 8140 Modoc on Hwy 395 about 1 mi n junction with Cedarville road; North Fork of Pit River Comment
  UC748108  Galium multiflorum Annie M. Alexander and Louise Kellogg 1946-7-5 4909 Modoc lava cliff w Lower Lake Comment
  UCSB17112  Galium serpenticum subsp. scotticum Hardham, Clare 1961-6-20 Modoc Mouth of Fine Creek Canyon, Warner Mountains Comment
  CAS-BOT-BC225081  Galium serpenticum subsp. warnerense Clare Butterworth Hardham 1961-6-20 7865 Modoc Mouth of Pine Creek Canyon. Comment
  SD70510  Galium serpenticum subsp. warnerense Lauramay T. Dempster, Clare Hardham 1961-6-19 1710 Modoc Mouth of canyon just southeast of New Pine Creek. Steep dry southwest slope, in clefts and bases of rocks 1584 Comment
  UC416653  Galium triflorum Milo S. Baker 1893-1 Modoc Forestdale Comment
  CAS-BOT-BC180120  Garrya fremontii Belknap C. Goldsmith 1911-1-1 Modoc Fandango Valley. Comment
  UC412884  Garrya fremontii Belknap C. Goldsmith 1911-6-22 37 Modoc Fandango Creek; Warner Mts., Modoc Forest 1584 Comment
  POM319052  Gayophytum Patricia Wilder 1971-6-20 5060 Modoc North part of Egg Lake (now a meadow), northwest of Lookout; north of Bieber and California State Highway 299; Modoc National Forest. Cascades Mt. Range. 1372 Comment
  RSA666401  Gayophytum decipiens Barbara Ertter 1988-6-18 7624 Modoc Hwy 139 ca 50 airmiles SW of Klamath Falls, a few miles N of Agric. Inspection State, 1 mi S of S jct to Lava Beds Nat l Monument E of Tonesta. 1311 Comment
  POM204135  Gayophytum decipiens J. T. Howell 1934-6-14 12125 Modoc Near Lost Lake, Warner Mts. 2439 Comment
  SD135583  Gayophytum diffusum subsp. parviflorum B. Bartholomew 1989-7-15 5023 Modoc Manzanita Lookout, top of Manzanita Mountain. 2130 Comment
  SD135584  Gayophytum diffusum subsp. parviflorum B. Bartholomew 1991-7-6 5966 Modoc 2.4 km west of County Road 91 Forest Service Road 42n03 1340 Comment
  CAS-BOT-BC190829  Gayophytum humile Bruce Bartholomew 1991-6-20 5785 Modoc Top of Fox Mountain, ca. 10 airline km NW of Adin. 1900 Comment
  HSC31368  Gayophytum humile D. H. Norris, S. Dowty, T. Nelson 1971-6-23 19374 Modoc Along the S Fork of the Pit River, ~6 mi. E of Likely. Comment
  UC20275  Gayophytum ramosissimum Mrs. R. M. Austin June, 1894 Modoc Willow Creek Valley Comment
  CAS-BOT-BC190821  Gayophytum ramosissimum Elmer Ivan Applegate 1936-5-18 10317 Modoc Bearpaw Cave, Lava Beds National Monument. Comment
  NY189520  Gentiana affinis B. M. Bartholomew 1989-8-12 5106 Modoc Ca. 3.2 airline miles W of Patterson Ranger Station on road to Jess Valley. 2060 Comment
  POM128266  Gentiana affinis M. H. Manning 1903-8-27 333 Modoc Tamarack Flat, near summit of Mt. Bidwell. Comment
  CAS-BOT-BC180113  Gentiana affinis var. ovata Leland S. Smith 1918-7-29 1010 Modoc Patterson Mill. 2133 Comment
  CHSC115697  Gentiana affinis var. ovata L. P. Janeway 2015-8-11 11832 Modoc Warner Mountains. East side of Squaw Peak a little above Squaw Peak Trail. 2483 Comment
  UC444850  Gentiana affinis var. ovata Mrs. M. H. Manning Modoc north-eastern Modoc County Comment
  HSC81055  Gentianopsis simplex G. M. Riegel 1979-8-12 653 Modoc South Warner Mtns. 2100 Comment
  UC187819  Gentianopsis simplex Mrs. R. M. Austin Aug, 1894 95 Modoc head waters of Lassen Creek Comment
  UC17119  Geranium carolinianum Milo S. Baker 1893-7-25 Modoc island in Egg Lake Egg Lake Comment
  JEPS61436  Geranium viscosissimum Leland S. Smith 1918-7-21 1002 Modoc Blue Lake Modoc Forest 1828 Comment
  SJSU9691  Geranium viscosissimum W. Savage 1979-7-24 1558 Modoc Long Meadow Unit, Devils Garden Ranger District, Modoc National Forest 1615 Comment
  JEPS47200  Geum macrophyllum Frances D. Payne 1931-6-29 302 B Modoc e slope Mount Warren, Warner Mountains Mount Warren; Warner Mountains, Mount Warren 2286 Comment
  CAS-BOT-BC214663  Geum triflorum Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-14 16480 Modoc Along Lassen Creek on road to Davis Creek, Warner Mts. Comment
  CAS-BOT-BC214683  Geum triflorum Robert Patterson; Mona Bourell 1993-8-15 5250 Modoc Warner Mountains. Along trail from Patterson Lake to ca. 2 mi north towards Pepperdine Trailhead. 2743 Comment
  UCR131811  Geum triflorum George Willet 1935-6-25 s.n. Modoc Likely Mountains 1829 Comment
  RSA454454  Geum triflorum var. ciliatum Christopher Davidson 1973-5-26 2140 Modoc 1 mile N of Adin Summit on St. Hwy 299; Modoc Nat'l Forest 1524 Comment
  RSA488040  Geum triflorum var. ciliatum Bruce Bartholomew 1988-5-12 4131 Modoc 13 km NNE of Adin on State Highway 229 at turnoff to Higgins Flat on USFS road 41N11. 1440 Comment
  CAS-BOT-BC190701  Gilia brecciarum subsp. brecciarum Leland S. Smith 1919-5-4 1085 Modoc Along Likeley road near Fitzhugh Creek. 1524 Comment
  JEPS69464  Gilia brecciarum subsp. brecciarum Mary H. Manning before Aug., 1918 Modoc Comment
  SEINET201592  Gilia capillaris Arthur Cronquist, Athur H. Holmgren 1959-6-20 8522 Modoc Drying swale along intermittent streamlet at Cedarville Pass; Warner Mts. between Cedarville and Alturas 19 Comment
  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-BC190679  Gilia modocensis Bruce Bartholomew 1991-5-25 5764 Modoc 8 km E of Likely on road to Jess Valley, N side of road along N side of S Fork of Pit River. 1460 Comment
  CAS-BOT-BC190661  Gilia salticola Bruce Bartholomew 1991-6-22 5844 Modoc E side of Surprise Valley, 9.6 km E of Eagleville at the Nevada border. 1520 Comment
  CAS-BOT-BC190669  Gilia sinistra subsp. sinistra Roxana Stinchfield Ferris; R. Duthie 1919-6-14 106 Modoc Near spring above Parker Creek, Warner Mts. Comment
  SEINET3088579 Image available Glaux maritima Arnold Tiehm, Susan Croft, Jan Nachlinger, Gary Schoolcraft 1984-6-24 8796 Modoc Surprise Valley, Surprise Valley Mineral Wells on east side of Alkali Lake. 1372 Comment
  RSA603007  Glyceria borealis L. C. Wheeler 1935-10-5 4021 Modoc N Fork Pit River at Parker Creek. 1372 Comment
  CAS-BOT-BC247695  Glyceria elata Bruce Bartholomew 1989-8-11 5091 Modoc Vicinity of Patterson Ranger Station, S end of Warner Mountains. 2160 Comment
  CAS-BOT-BC247697  Glyceria elata Bruce Bartholomew 1990-8-5 5673 Modoc Summit Trail, ca. 4 km N of Patterson Ranger Station, W side of Warner Mts. 2470 Comment
  HSC10062  Glyceria elata M. T. Milligan 1966-7-1 518 Modoc Slopes and ridges E of Jess Valley 1768 Comment
  CAS-BOT-BC303768  Glyptopleura marginata B. Bartholomew 1993-6-13 6621 Modoc Near Fortynine Creek, E of Cedarville on E side of Surprise Valley 1400 Comment
  CAS-BOT-BC242178  Goodyera oblongifolia Bruce Bartholomew 1994-7-3 6832 Modoc Field redacted by CAS, contact the data manager for more information 1900 Comment
  SJSU9641  Gratiola ebracteata W. Savage 1979-7-8 1469 Modoc Round Valley Unit, Devils Garden District, Modoc National Forest 1493 Comment
  CAS-BOT-BC229888  Gratiola neglecta Verne Grant; I. Schneider 1947-7-20 8094 Modoc S loop of Westside Road, Pit Valley, N of Likely. 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
  JEPS21902  Gratiola neglecta Malcolm A. Nobs and S. Galen Smith 1949-7-22 1067 Modoc Likely canals at South Fork of Pit River (bottom of dry canals at South Fork of Pit River) Comment
  JEPS3604  Gratiola neglecta Verne Grant, Irving Schneider 1947-7-18 8038 Modoc 10 mi s of Alturas (5 mi n of Bayley's Bridge, Eastside Canal); Eastside Canal Comment
  CAS-BOT-BC49544  Grindelia hirsutula Francis Dorris Payne 1932-8-23 Modoc Shield Creek. 1645 Comment
  UC335981  Gymnosteris parvula unknown May 1878 91 Modoc Surprise Valley; Northern California, Surprise Valley Comment
  CAS-BOT-BC54087  Hackelia cusickii Clare Butterworth Hardham 1961-6-18 7546 Modoc Hills 3 mi. E of Cedar Pass. 1828 Comment
  CAS-BOT-BC54088  Hackelia cusickii Fred. P. Cronemiller 1920-6-20 30 Modoc Fillingim's, Modoc National Forest 1371 Comment
  CAS-BOT-BC54093  Hackelia cusickii Bruce Bartholomew; Barrett Anderson 1989-6-3 4852 Modoc 6.4 km N of State Hwy 299 on Crowder Flat Road and ca. 5.5 km S of Big Sage Reservoir. 1550 Comment
  CAS-BOT-BC54097  Hackelia cusickii Frederick H. Frost 1925-5-24 42 Modoc Steamboat Canyon, Warner Mountains 1767 Comment
  CAS-BOT-BC54098  Hackelia cusickii E. S. Willits 1940-5-20 278 Modoc Between Perez and Canby. Comment
  JEPS25294  Hackelia cusickii Frances D. Payne 1932-6-10 643 Modoc s. & e. Alturas (Parker Creek, Warner Mts.); Warner Mts., Parker Creek 1584 Comment
  JEPS86311  Hackelia micrantha Jack and Betty Guggolz 1988-6-28 959 Modoc groves w of Jenkins Spring 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
  UC88868  Helianthella californica subsp. nevadensis Milo S. Baker 1893-6-20 Modoc Comment
  CAS-BOT-BC49547  Helianthus annuus Isabelo T. Kelly 1930-1-1 35 Modoc Fort Bidwell. Comment
  CAS-BOT-BC49548  Helianthus annuus Leland S. Smith 1922-8-5 1330 Modoc Barber Canyon old homestead field. 1371 Comment
  CAS-BOT-BC49502  Helianthus cusickii Mrs. H. C. Cantelow 1940-5-31 3085 Modoc 3 mi. E of Canby. Comment
  OBI48585  Helianthus cusickii Lewis S. Rose 1940-6-11 40512 Modoc Canby 1326 Comment
  CAS-BOT-BC54062  Heliotropium curassavicum Louis Cutter Wheeler 1935-9-4 3943 Modoc McGinty Point, Goose Lake. 1463 Comment
  SEINET8465055 Image available Heliotropium curassavicum B. Bartholomew 1989-8-11 5058 Modoc Along W side of Goose Lake, 3.5 km S of the Oregon border on National Forest Road 48. A Beach at edge of lake. 1430 Comment
  UC1555786  Heliotropium europaeum Gary Schoolcraft 1987-9-9 1777 Modoc along Ash Valley Rd. ca. 1/2 mi. e Adin 1280 Comment
  CAS-BOT-BC179182  Hesperolinon micranthum B. Bartholomew; Barrett Anderson 1988-6-23 4224 Modoc 2.1 km SSE of Day on the road to State Highway 299. 1020 Comment
  UC17266  Hesperolinon micranthum Baker Modoc Little Hot Spring Valley Comment
  CAS-BOT-BC225793  Heuchera cylindrica Robert J. Weatherby 1955-7-8 1629 Modoc 6 mi. N of Ft. Bidwell, Warner Mts. 1645 Comment
  NY541345  Heuchera cylindrica L. C. Wheeler 1935-8-7 3804 Modoc Pine Creek, Warner Mountains 1554.5 Comment
  JEPS36585  Hieracium nudicaule Milo S. Baker 1893-7-3 Modoc Comment
  UC194095  Hieracium nudicaule Milo S. Baker Jul 3 1893-Jan 1 1900 Modoc Comment
  UC32785  Hieracium nudicaule Milo S. Baker 1893-7-3 Modoc Comment
  CAS-BOT-BC49525  Hieracium scouleri Bruce Bartholomew; Barrett Anderson 1990-7-19 5418 Modoc Top of Hunters Ridge S of Rush Creek. 1960 Comment
  SJSU7632  Hieracium scouleri H. C. Buckalew 1961-7-4 Modoc near Stowe Reservoir c. 1 mi N of Cedar Pass on Alturas-Cedarville Rd, Warner Mts Comment
  UC201714  Hieracium scouleri W. P. Taylor and H. C. Bryant 1910-7-13 Modoc Head of North Fork Parker Creek Warner Mountains, Head of North Fork Parker Creek 2286 Comment
  SEINET11836113  Hieracium scouleri L. S. Rose 1940-1 40527 Modoc 9 mi E of Likely 1676 Comment
  UC485537  Hieracium scouleri M. F. Gilman 643 Modoc Comment
  HSC10138  Holcus lanatus M. T. Milligan 1964-7-20 149 Modoc N end of Jess Valley, near Mill Creek. 1677 Comment
  CAS-BOT-BC214696  Holodiscus microphyllus var. glabrescens Francis Dorris Payne 1929-7-26 109 Modoc Pine Creek Basin. 2133 Comment
  CAS-BOT-BC214703  Holodiscus microphyllus var. glabrescens Alice Eastwood; John Thomas Howell 1940-6-12 8062 Modoc Between Likely and Jess Valley. Comment
  POM299539  Holodiscus microphyllus var. glabrescens Marion Ownbey, Fred G. Meyer 1940-7-1 2155 Modoc Cedar Peak, Warner Mountains. Comment
  NY446368  Holosteum umbellatum G. Schoolcraft 1981-5-6 376 Modoc North of Alturas 1463.0 Comment
  CAS-BOT-BC247688  Hordeum brachyantherum subsp. brachyantherum Bruce Bartholomew 1991-6-23 5873 Modoc W side of Ingall Swamp, Devil's Garden. 1510 Comment
  CHSC107344  Hordeum brachyantherum subsp. brachyantherum Lowell Ahart; John Dittes 2011-6-22 17541 Modoc On the west side of the road, about 3 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-BC247678  Hordeum jubatum Bruce Bartholomew; Barrett Anderson 1990-7-20 5454 Modoc Margin of Goose Lake at S end of the causeway to McGinty Point. 1440 Comment
  CAS-BOT-BC284697  Hordeum jubatum John Thomas Howell 1934-7-1 12348 Modoc Duncan Horse Camp Comment
  UC1024671  Hordeum marinum subsp. gussoneanum Leo Whitney 1934-5-25 2178 Modoc ca 15 mi nw Canby (Hackamore); Modoc National Forest, Hackamore 1463 Comment
  UC1024867  Hordeum murinum subsp. leporinum Leo Whitney 1935-5-30 3159 Modoc White Horse Comment
  JEPS113064  Horkelia fusca var. brownii Roy Buck 1987-6-6 666 Modoc at end of road just W of Egg Lake Comment
  CAS-BOT-BC181961  Hosackia crassifolia Bruce Bartholomew 1989-7-14 4936 Modoc Along Rush Creek between Lower and Upper Rush Creek Campgrounds. 1580 Comment
  HSC13548  Hydrophyllum capitatum var. alpinum M. T. Milligan 1964-6-25 75 Modoc Upper Lassen Creek 1829 Comment
  HSC26494  Hydrophyllum capitatum var. alpinum J. P. Smith, J. O. Sawyer 1972-5-6 5261 Modoc FS road to Quail Spring at Hwy. 299, N of Adin 1463 Comment
  UC71797  Hydrophyllum capitatum var. alpinum Mrs. M. H. Manning 1903-1 87 Modoc se slope Mt. Bidwell (ne Modoc County) Comment
  UC748115  Hydrophyllum capitatum var. alpinum Annie M. Alexander and Louise Kellogg 1946-7-24 5077 Modoc Bear Camp Flat; Warner Mountains 2286 Comment
  POM98604  Hydrophyllum capitatum var. alpinum F. W. Peirson 1926-6-25 6875 Modoc Cedarville Road, Warner Mountains. Comment
  UC24084  Hydrophyllum capitatum var. alpinum Milo S. Baker 1893-1 Modoc Comment
  UC748342  Hymenoxys lemmonii Annie M. Alexander and Louise Kellogg 1946-6-10 4716 Modoc top of lava bench more or less on slope n Snake Lake (between Lower and Snake Lakes) Comment
  UC19052  Hypericum M. S. Baker and Frank Nutting 1894-6-20 Modoc Near Whitehorse Lake Comment
  CAS-BOT-BC179906  Hypericum anagalloides Bruce Bartholomew 1989-8-11 5055 Modoc Along W side of Goose Lake, 12.4 km N of McGinty Point on National Forest Road 48. 1430 Comment
  SEINET10720072  Hypericum anagalloides Louis C. Wheeler Wheeler 3954 Modoc McGinty Reservoir, Devil's Garden. S29, T46N, R13E 1463 Comment
  CAS-BOT-BC58402  Idahoa scapigera Bruce Bartholomew; Barrett Anderson 1989-4-30 4709 Modoc 0.8 km S of Centerville Rd. (Co. road 54) on road to Ralston Gulch (Co. road 77). 1400 Comment
  CAS-BOT-BC58444  Idahoa scapigera R. M. Austin 1894-4-1 Modoc Goose Lake Valley. Comment
  CAS-BOT-BC58446  Idahoa scapigera F. Angwin 1946-3-31 Modoc Adin. 1371 Comment
  RSA59646  Idahoa scapigera E. K. Balls 1950-5-12 14647 Modoc N of Bucks Creek Ranger Station, Modoc National Forest, E of Goose Lake. 1738 Comment
  UCD150424  Idahoa scapigera Harry A. George 1967-6-15 s.n. Modoc S. of Adin. Comment
  CAS-BOT-BC190656  Ipomopsis aggregata subsp. aggregata John H. Hatton 1911-6-23 155 Modoc Modoc County. 1676 Comment
  JEPS69741  Ipomopsis congesta subsp. montana Leland S. Smith 1918-8-27 1052 Modoc below Squaw Peak (Milk Creek); Modoc National Forest, Warner Mtns 2438 Comment
  CAS-BOT-BC190641  Ipomopsis congesta subsp. palmifrons Bruce Bartholomew 1995-8-1 7151 Modoc Bidwell Mtn., E side of the Warner Mountains. 2150 Comment
  CAS-BOT-BC245105  Iris missouriensis M. M. Hanna 1956-6-7 1022 Modoc Hwy 395, 0.25 mi N of Davis Creek. Comment
  SEINET4152116  Iris missouriensis C. L. Hitchcock 1940-5-28 6727 Modoc 15 miles north of Alturas 1402 Comment
  UC4304  Iris missouriensis Mrs. R. M. Austin May 1894 Modoc Goose Lake Valley Comment
  HSC13882  Iris missouriensis M. T. Milligan 1964-6-27 98 Modoc 1 mi. S of Lassen Creek on old Hwy. 395, near old home site 1677 Comment
  CAS-BOT-BC30186  Isoetes bolanderi Bruce Bartholomew 1991-8-6 6082 Modoc N Emerson Lake, E side of Warner Mts. 2370 Comment
  CHSC117044  Isoetes nuttallii Lowell Ahart; John Dittes 2016-6-6 20972 Modoc About 100 yards east of the Parking Area, about one mile south of the intersection of County Road 87 and Access Road to Pilot Butte Parking Area, 3.8 miles (air) east of Lookout, 7.5 miles (air) west of Adin, Ash Creek State Wildlife Area. 1271 Comment
  JEPS55198  Isopyrum stipitatum Leland S. Smith 1918-4-29 917 Modoc e slope above Main ridge Adin (Adin, Modoc Forest); Modoc Forest 1981 Comment
  SJSU9647  Iva axillaris W. Savage 1979-7-8 1481 Modoc W side Fairchild Swamp Unit, Triangle, Devils Garden District, Modoc National Forest 1493 Comment
  UCR64880  Iva axillaris George K. Helmkamp 1990-9-23 H- 01 Modoc US Hwy 395, 13 mi north of Likely 1345 Comment
  CDA34549  Iva axillaris subsp. robustior L. Ahart, John Dittes 2008-8-25 15304 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. Comment
  UC89107  Iva axillaris subsp. robustior Mrs. R. M. Austin 1894-8-1 234 Modoc Goose Lake Valley Comment
  NY833728  Ivesia baileyi var. beneolens D. W. Taylor 1990-6-25 11164 Modoc Cedar Pass, growing on nearly vertical cliffs of volcanic breccia, northerly slopes of Peak 7298 2149 Comment
  CAS-BOT-BC245074  Juncus bufonius Bruce Bartholomew 1990-8-3 5611 Modoc Ash Creek Wildlife Refuge, ca. 2.5 km S of County Road 87 and 7 km W of Adin. 1250 Comment
  CHSC112980  Juncus bufonius var. bufonius Lowell Ahart; John Dittes 2013-7-24 18928 Modoc Edge of a man made pond, about 50 yards south of the levee road, north side of Ash Creek Floodplain, 0.54 mile (air) southeast of Pilot Butte Parking Area, 1.1 miles (air) south of County Road 87, 6.8 miles (air) west of Adin, Big Valley. 1263 Comment
  CHSC112774  Juncus bufonius var. congestus Lowell Ahart; John Dittes 2013-7-24 18929 Modoc Edge of a man made pond, about 50 yards south of the levee road, north side of Ash Creek Floodplain, 0.54 mile (air) southeast of Pilot Butte Parking Area, 1.1 miles (air) south of County Road 87, 6.8 miles (air) west of Adin, Big Valley. 1263 Comment
  CAS-BOT-BC245070  Juncus bufonius var. occidentalis Louis Cutter Wheeler 1935-8-1 3738 Modoc Dismal Swamp, Warner Mountains, Modoc National Forest 2225 Comment
  CAS-BOT-BC245065  Juncus confusus Roxana Stinchfield Ferris; L. Lorraine 1941-8-14 10580 Modoc 3 mi. from Patterson Ranger Station on road to Eagleville. Comment
  CAS-BOT-BC245067  Juncus confusus Louis Cutter Wheeler 1935-9-23 4001 Modoc Pease Flat, Devil's Garden. 1524 Comment
  UC1036066  Juncus confusus Annie M. Alexander and Louise Kellogg 1946-7-18 5026 Modoc Benton Meadow Warner Mountains 2072 Comment
  CHSC109640  Juncus ensifolius Lowell Ahart; John Dittes 2012-7-12 18369 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 Adam, about 8 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  UCD146976  Juncus ensifolius Chuck Hughes 2012-9-13 347 Modoc Bear Mountain 2005 Comment
  CAS-BOT-BC245047  Juncus hemiendytus var. hemiendytus Bruce Bartholomew 1993-6-12 6605 Modoc Flat between Egg Lake and Lookout just E of railroad track. 1260 Comment
  CAS-BOT-BC245045  Juncus longistylis John H. Hatton 1911-6-20 131 Modoc unspecified 1524 Comment
  UCD141620  Juncus nevadensis Verne Grant; Irving Schneider 1947-7-22 8149 Modoc Headwaters of North Fork of Pit River, one mile northwest of Highway 395 on dirt road leading to south end of Goose Lake. Comment
  JEPS114907  Juncus orthophyllus Lowell Ahart, John Dittes 2008-8-26 15351 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
  CAS-BOT-BC245040  Juncus torreyi R. M. Austin 1885-8-1 s.n. Modoc Shore of Goose Lake. Comment
  CHSC38995  Juncus trilocularis J. D. Jokerst 1983-7-18 1842 Modoc At edge of meadow, Miller's Flat, NW of town of Aden. East edge of meadow. Comment
  CAS-BOT-BC81203  Juniperus occidentalis Florence Angwin 1945-10-27 s.n. Modoc Adin Comment
  CAS-BOT-BC81204  Juniperus occidentalis Florence Angwin 1945-10-27 s.n. Modoc near Adin Comment
  CAS-BOT-BC81206  Juniperus occidentalis Roxana S. Ferris; Rena Duthie 1919-6-13 104 Modoc Parker Creek, Warner Mts. 1981 Comment
  CAS-BOT-BC81210  Juniperus occidentalis John Thomas Howell 1934-6-16 12208 B Modoc Parker Creek, Warner Mts. 1584 Comment
  JEPS121195  Juniperus occidentalis var. occidentalis Lowell Ahart, John Dittes 2013-7-25 18949 Modoc 20 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
  JEPS57498  Juniperus occidentalis var. occidentalis L. R. Heckard with T. I. Chuang and R. Bacigalupi 1968-8-12 2120 Modoc rocky slopes s of Lassen Creek and e Goose Lake ((ca . 4 mi se of Willow Ranch)); s of Lassen Creek and e of Goose Lake 1584 Comment
  RSA639612  Juniperus occidentalis var. occidentalis L. C. Wheeler 1935-8-8 3813 Modoc Warner Mountains: Pine Creek. 1646 Comment
  CAS-BOT-BC95673  Kalmia polifolia Bruce Bartholomew 1994-7-3 6838 Modoc Mineral Spring, SW of Dismal Swamp, N end of the Warner Mountains. 2310 Comment
  UC705396  Kelloggia galioides Marion Ownbey, Fred G. Meyer 1940-7-1 2149 Modoc Cedar Peak; Warner Mts. Comment
  CAS-BOT-BC247642  Koeleria macrantha Roxana Stinchfield Ferris; R. Duthie 1919-6-13 63 Modoc Above Parker Creek near Modoc National Forest boundary. Comment
  CHSC69491  Koeleria macrantha James D. Jokerst 1987-5-13 2871 Modoc Radar Survey Site S of Doublehead Mtn., S of Clear Lake Reservoir, S end of northern sector. 1359 Comment
  HSC10667  Koeleria macrantha M. T. Milligan 1964-6-20 59 Modoc 2 mi. N on Pencil Rd. from Hwy. 395 1372 Comment
  UC60745  Koeleria macrantha M. S. Baker and Frank Nutting 1894-6-29 Modoc Big Valley Comment
  UCD86089  Koeleria macrantha L. D. Whitney 1935-7-2 s.n. Modoc Badger Wells. Comment
  UCR248241  Lactuca tatarica var. pulchella J. R. Keck Jr., C. B. Greenbank 1980-8-21 PDR 330198 Modoc Tulelake, near Newell townsite 1234 Comment
  SEINET11446747 Image available Lagophylla ramosissima R. R. Halse 2010-8-25 8085 Modoc Along State Hwy. 139 ca 25.5 miles northwest of its junction with State Hwy. 299; Modoc National Forest.; 0 1278 Comment
  POM72855  Lappula occidentalis var. occidentalis Mrs. R. M. Austin 1895-07 541 Modoc Goose Lake Valley. Comment
  CAS-BOT-BC181979  Lathyrus brownii Bruce Bartholomew; Barrett Anderson 1988-5-12 4123 Modoc SE side of Egg Lake, ca. 1 km E of the Burlington Northern railroad track. 1290 Comment
  CAS-BOT-BC181981  Lathyrus brownii Bruce Bartholomew; Barrett Anderson 1988-5-12 4122 Modoc SE side of Egg Lake, ca. 1 km E of the Burlington Northern railroad track. 1290 Comment
  CAS-BOT-BC498652  Lathyrus lanszwertii L. S. Smith 1918-6-23 963 Modoc Modoc Forest: High Grade District - Cave Lake 2133 Comment
  RSA648325  Lathyrus lanszwertii Marion P. Harthill 1972-6-17 841 Modoc Cedar Pass 1921 Comment
  RSA245208  Lathyrus pauciflorus subsp. brownii D. H. Norris, T. Nelson, S. Dowty, B. Norris 1971-6-23 19472 Modoc At Upper Rush Creek Campground about 8 miles north of Adin on Highway 299. Comment
  RSA488037  Lathyrus pauciflorus subsp. brownii Bruce Bartholomew, B. Anderson 1988-5-12 4123 Modoc SE side of Egg Lake, ca. 1 km E of the Burlington Nrothern Railroad track. 1290 Comment
  NY716853  Lathyrus rigidus W. Larkin 04 1920 s.n. Modoc Goose Lake Valley Comment
  NY716854  Lathyrus rigidus C. L. Hitchcock 1950-5-27 19225 Modoc Ca. 20 miles north of Alturas Comment
  RSA598727  Lathyrus rigidus Bruce Bartholomew, M. Gilbert, L. Skog 1993-5-10 6441 Modoc Just NE of Davis Creek Cemetery, 1.3 km E of Davis Creek. 1500 Comment
  POM229192  Ledum glandulosum L. C. Wheeler 1935-8-4 3777 Modoc Pine Creek, Warner Mts. 2210 Comment
  POM77416  Ledum glandulosum Mrs. R. M. Austin 1895-07 304 Modoc Tamaracks Comment
  CAS-BOT-BC245028  Lemna Bruce Bartholomew; Barrett Anderson 1989-6-2 4793 Modoc Surprise Valley Road, just S of the Oregon border, extreme NE corner of Modoc County. 1630 Comment
  UC1536818  Lemna minor Gordon H. True Jr. 1939-7-6 1002 Modoc Gooch Swamp near Lookout; Gooch Swamp Comment
  UC1101269  Lemna trisulca Herbert L. Mason, Verne Grant 1947-7-12 13432 Modoc n of Likely (Corportation Ranch Headquarters); Corportation Ranch Headquarters Comment
  CAS-BOT-BC245030  Lemna turionifera Verne Grant; I. Schneider 1947-7-19 8064 Modoc Corporation Ranch, S of south loop road. Comment
  CAS-BOT-BC58662  Lepidium chalepense Bruce Bartholomew 1994-5-16 6699 Modoc Little Hot Spring Valley. 1070 Comment
  HSC6856  Lepidium densiflorum R. C. Wunner 1965-6-13 167 Modoc California Lava Beds National Monument, Indian Well Ranger Station 1454 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
  CDA3795  Lepidium latifolium K. Wright 1965-8-25 Modoc Newell townsite, Tulelake. 0 Comment
  UC398778  Lepidium montanum var. canescens Mrs. Austin 1888-1 336 Modoc s of Alturas; Pit River Comment
  UC725918  Lepidium perfoliatum A. A. Heller 1941-6-26 16218 Modoc e end Canby (along U.S. Highway 299) Comment
  CAS-BOT-BC190631  Leptodactylon pungens Alice Eastwood; John Thomas Howell 1940-6-12 8048 Modoc Between Likely and Jess Valley. Comment
  UCD118978  Leptosiphon nuttallii subsp. nuttallii Schoolcrft et al 2000-7-17 2916 Modoc N. Warner Mountains, east of Poison Lake. 2225 Comment
  UC10692  Lesquerella occidentalis subsp. occidentalis Mrs. C. C. Bruce June 1898 2136 Modoc Lake City Mt. Comment
  JEPS61978  Leucocrinum montanum Mary H. Manning c. 1912 Modoc Ft. Bidwell Comment
  SEINET10533573  Leucocrinum montanum Jeffrey Huber 1971-6-3 Huber 97 Modoc 5 miles s of canby on calif. Hwy. 299, Lupines heavily carpeting hillsides of Large basaltic boulders, sparse juniper, artemesia, purshia, poa assoc. 1280 Comment
  RSA26470  Leucophysalis nana Alice Eastwood, John T. Howell 1940-6-13 8191 Modoc West side of Cedar Pass. Comment
  RSA534597  Leucophysalis nana Bruce Bartholomew 1991-7-6 5994 Modoc Webb Flat, 5.6 km S of turn off to Happy Camp Ranger Station. 1400 Comment
  CAS-BOT-BC247702  Leucopoa kingii Clare Butterworth Hardham 1961-6-18 7552 B Modoc 3.2 mi. E of Cedar Pass. Comment
  HSC26493  Lewisia nevadensis J. P. Smith, J. O. Sawyer 1972-5-6 5262 Modoc FS road to Quail Spring at Hwy. 299, N of Adin 1463 Comment
  CAS-BOT-BC197491  Lewisia rediviva Elmer Ivan Applegate 1932-7-9 7606 Modoc Summit of Bidwell Mountain, Warner Mts. Comment
  SBBG1942  Lewisia rediviva var. rediviva H. and M. Dearing 1939-6-9 3618 Modoc N of Squaw Peak, Warner Mtns Comment
  CAS-BOT-BC247638  Leymus cinereus John Thomas Howell 1934-6-30 12275 Modoc Duncan Horse Camp. 1355 Comment
  CAS-BOT-BC247632  Leymus triticoides Leland S. Smith 1917-7-23 144 Modoc Joseph Creek. 1706 Comment
  JEPS73995  Leymus triticoides Frances D. Payne 1932-7-18 710 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  JEPS73996  Leymus triticoides Frances D. Payne 1932-7-18 713 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  SEINET179457 Image available Leymus triticoides F. Payne 782 Modoc Warner Mountains Comment
  CAS-BOT-BC21461  Ligusticum grayi Louis Cutter Wheeler 1935-8-16 3882 Modoc Dismal Swamp. 2225 Comment
  HSC80781  Ligusticum grayi G. M. Riegel 1980-8-28 1118 Modoc S Warner Mtns. 2100 Comment
  CAS-BOT-BC245037  Lilaea scilloides Louis Cutter Wheeler 1935-9-18 3991 Modoc Householder Reservoir, Devil's Garden. 1524 Comment
  CHSC40543  Lilium pardalinum subsp. pardalinum J. D. Jokerst 1983-6-12 1840 Modoc Small creek that flows through the Upper Rush Cr. Campground ca 100 meters upstream from the camp. Ca 8 miles north of Aden. Comment
  RSA210888  Limosella acaulis Robert F. Thorne, James Henrickson, C. W. Tilforth 1969-9-4 39119 Modoc N Fork of Pit River 3.4 mi N of Alturas where crossed by Highway 395. 1341 Comment
  CAS-BOT-BC229894  Limosella aquatica Louis Cutter Wheeler 1935-9-1 3934 Modoc Pine Spring, Devil's Garden. 1524 Comment
  POM228990  Limosella aquatica Louis C. Wheeler 1935-8-14 3856 Modoc Cave Lake, Pine Creek, Warner Mtns. (Mt Diablo Mer.) 2073 Comment
  CAS-BOT-BC198036  Linanthus harknessii Annie Montague Alexander; L. Kellogg 1946-7-10 4954 Modoc Eight Mile Creek. 1752 Comment
  CAS-BOT-BC198046  Linanthus harknessii M. Vasey 1990-6-30 9037 Modoc 0.2 mi from Junction of Lava Camp Road and road to Egg Lake. 1300 Comment
  NY1012637  Linanthus harknessii A. J. Cronquist 1959-6-20 8527 Modoc Cedarville Pass; Warner Mountains between Cedarville and Alturas 1920.2 Comment
  JEPS103192  Linanthus nuttallii subsp. nuttallii G. Schoolcraft 2000-7-17 2916 Modoc N Warner Mountains East of Poison Lake 2225 Comment
  SJSU9649  Linanthus pungens W. Savage 1979-7-8 1483 Modoc N end Fairchild Swamp Unit, Triangle Devils Garden District, Modoc National Forest 1493 Comment
  UC1178810  Linanthus septentrionalis Herbert L. Mason 1946-7-13 13453 Modoc Fandango Pass Warner Mountains Comment
  CAS-BOT-BC229897  Linaria dalmatica W. T. Parsons; Thomas C. Fuller 1960-7-27 4875 Modoc Lassen Creek, near Sugar Hill Planting. Comment
  CDA37693  Linaria dalmatica Robin Breckenridge 2005-6-18 s.n. Modoc New Pine Creek, along Highway 395 near California/Oregon border. 0 Comment
  CAS-BOT-BC229895  Linaria dalmatica subsp. dalmatica W. T. Parsons; Thomas C. Fuller 1960-7-27 4875 Modoc Lassen Creek, near Sugar Hill Planting. Comment
  UCD123900  Linaria dalmatica subsp. dalmatica W. T. Parsons; T. C. Fuller 1960-7-27 4875 Modoc around old saw mill site, Lassen Creek, near Sugar Hill Planting. 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
  CDA6357  Linaria genistifolia subsp. dalmatica T. C. Fuller 1963-8-27 11169 Modoc Sugar Hill Planting, Lassen Creek, ca. 6 miles southeast of Willow Ranch. 0 Comment
  UCD123907  Linaria vulgaris T. C. Fuller 1960-7-27 4876 Modoc 100 square feet around old mill site, Lassen Creek, near Sugar Hill Planting. Comment
  CAS-BOT-BC179162  Linum lewisii M. M. Hanna 1956-6-4 955 Modoc Cedar Pass. Comment
  CAS-BOT-BC179168  Linum lewisii John Thomas Howell 1934-6-11 11933 Modoc Parker Creek. 1584 Comment
  CHSC109495  Linum lewisii var. lewisii L. P. Janeway; B. Castro 2012-7-26 11010 Modoc Warner Mountains. Top of Yellow Mountain; topmost part and wster edge (at the edge of a steep dropoff to the northwest). 2463 Comment
  UC1587055  Lithophragma glabrum G. Schoolcraft 1991-5-15 2137 Modoc w of highway about 6.5 mi n Lookout 1341 Comment
  UC585058  Lithophragma glabrum E. B. Babcock and G. L. Stebbins Jr. 1936-6-9 1839 Modoc Summit of Cedar Pass; Warner Mts., summit of Cedar Pass 1920 Comment
  UC858192  Lithophragma glabrum C. L. Hitchcock 1940-5-27 6718 Modoc 15 mi ne Alturas 1981 Comment
  CAS-BOT-BC317342  Lithophragma glabrum Florence Angwin 1946-4-12 s.n. Modoc Big Valley near Adin 1280 Comment
  RSA59363  Lithophragma glabrum E. K. Balls 1950-5-11 14630 Modoc 8.1 miles NE of Fort Bidwell. Above Cow Head Lake. Along 8 Mile Creek. 1463 Comment
  UC14490  Lithophragma parviflorum Milo S. Baker 1893-7-18 Modoc 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
  UCSB12727  Lithophragma tenellum Dearing, Hugh; Dearing, Margaret 1939-6-9 Modoc Dry Creek Road, near Cedarville, Warner Mountains Comment
  CAS-BOT-BC54032  Lithospermum ruderale E. S. Willits 1940-5-4 210 Modoc Willow Ranch. 1371 Comment
  CAS-BOT-BC54039  Lithospermum ruderale Gordon H. True 1964-6-3 1436 Modoc No. Fork Pit River between Alturas & Goose Lake. 1432 Comment
  POM126231  Lithospermum ruderale M. French Gilman 649 Modoc Dry slopes. Comment
  UC1094748  Lithospermum ruderale Francia Chisaki 1956-5-29 864 Modoc 9.8 mi w Cederville; Modoc National Forest Comment
  CAS-BOT-BC21442  Lomatium bicolor var. leptocarpum Bruce Bartholomew 1991-6-21 5795 Modoc 1.6 km S of Davis Creek on U.S. Hwy 395. 1450 Comment
  CAS-BOT-BC21449  Lomatium bicolor var. leptocarpum Isabelo T. Kelly 1930-1-1 9 Modoc Cowhead Lake. Comment
  CAS-BOT-BC21450  Lomatium bicolor var. leptocarpum Roxana Stinchfield Ferris; R. Duthie 1919-6-15 179 Modoc Parker Creek. Comment
  RSA504594  Lomatium bicolor var. leptocarpum Bruce Bartholomew, B. Anderson 1988-6-23 4291 Modoc South side of Egg Lake, ca. 1.5 km west of the Burlington Northern railroad track 1300 Comment
  CAS-BOT-BC21431  Lomatium canbyi Bruce Bartholomew; M; M. Gilbert; L. E. Skog 1993-5-11 6498 Modoc Junction of Crowder Flat Road and the road to the N side of Big Sage Reservoir. 1580 Comment
  NY1115231  Lomatium canbyi B. M. Bartholomew 1993-5-10 6477 Modoc Northwest side of Barrel Spring Road near northwest corner of Mud Lake 1680 Comment
  CAS-BOT-BC30169  Lomatium dissectum var. multifidum Alice Eastwood; John Thomas Howell 1940-6-12 8085 Modoc Jess Valley. Comment
  CAS-BOT-BC497342  Lomatium grayi G. Schoolcraft 1999-7-13 2866 Modoc Warner Mts. N of Stowe Reservoir 1981 Comment
  CAS-BOT-BC30132  Lomatium grayi var. grayi C. C. (Mrs.) Bruce 1899-1-1 2490 Modoc Lake City Mt. Comment
  RSA584730  Lomatium hendersonii Bruce Bartholomew, Gilbert, L. Skog 1993-5-13 6533 Modoc Just W of Mud Lake on road to West Valley Reservoir., 41 12 9N, 120 26 1W 1460 Comment
  CAS-BOT-BC30139  Lomatium macrocarpum Alice Eastwood; John Thomas Howell 1940-6-12 8102 Modoc W side of Cedar Pass. Comment
  CAS-BOT-BC30141  Lomatium macrocarpum Mrs. H. C. Cantelow 1940-6-1 4509 Modoc 10 mi. E of Alturas. Comment
  RSA452142  Lomatium macrocarpum Christopher Davidson 1975-6-4 2606 Modoc 2.2 miles east of Highway 395 on highway 299 towards Cedarville 1494 Comment
  SEINET8688190  Lomatium macrocarpum M. J. Williams 1988-5-30 88- 26 -1 Modoc Jess Valley, E of Likely, S of roadside rest 1524 Comment
  UC21228  Lomatium macrocarpum Mrs. R. M. Austin and Bruce 1898-6-1 2285 Modoc Goose Lake Comment
  NY1066292  Lomatium nevadense B. M. Bartholomew 1989-4-29 4669 Modoc 6.4 km E of Fort Bidwell on road to Fee Reservoir, NE corner of Surprise Valley. 1460 Comment
  POM78180  Lomatium nevadense C. C. Bruce 1895-05 28 Modoc Goose Lake Valley Comment
  UC106254  Lomatium nevadense var. nevadense Mrs. R. M. Austin May 1884 87 Modoc Goose Lake Valley Comment
  HSC28844  Lomatium nudicaule D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19403 Modoc Along Hager Basin Rd. near Big Sage Reservoir. Comment
  RSA518863  Lomatium triternatum Barbara Ertter 1988-6-18 7645 Modoc Adin Summit on Highway 299 N of Adin 1585 Comment
  OBI8880  Lomatium triternatum var. macrocarpum Tracey and Viola Call, Viola Call 1964-6-23 2281 Modoc 1 mi S of Perez Comment
  SEINET10545662  Lomatium triternatum var. macrocarpum Jeffrey Huber 1971-6-3 Huber 99 Modoc 5 mi. S of Canby on CA Hwy. 299. 1280 Comment
  CAS-BOT-BC21404  Lomatium triternatum var. triternatum Alice Eastwood; John Thomas Howell 1940-6-11 8030 Modoc 8 mi. from Canby on road to Alturas. Comment
  CAS-BOT-BC21406  Lomatium triternatum var. triternatum John Thomas Howell 1934-6-30 12253 Modoc Duncan Horse Camp. 1355 Comment
  CAS-BOT-BC21410  Lomatium triternatum var. triternatum Roxana Stinchfield Ferris; R. Duthie 1919-6-14 84 Modoc Above Parker Creek, 1.5 mi. above Modoc National Forest boundary. Comment
  CAS-BOT-BC21403  Lomatium vaginatum Isabelo T. Kelly 1930-1-1 62 Modoc Modoc County. Comment
  POM78253  Lomatium vaginatum Mrs. R. M. Austin 1895-05 27 Modoc Goose Lake Valley Comment
  RSA149057  Lomatium vaginatum I. L. Wiggins, Dorothy Wiggins 1961-6-13 16473 Modoc Roadside 2.4 mi. S of village of Davis Creek, SE side of Goose Lake. Comment
  CAS-BOT-BC95172  Lonicera involucrata var. involucrata Bruce Bartholomew 1989-8-12 5121 Modoc South Fork of Pine Creek where it crosses West Warner Road, W side of Warner Mountains. 1900 Comment
  UC28565  Lonicera involucrata var. involucrata Mrs. R. M. Austin and Bruce July 1898 2355 Modoc Mt. Bidwell 2438 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
  UC748303  Lotus crassifolius var. crassifolius Annie M. Alexander and Louise Kellogg 1946-7-7 4938 Modoc Eight Mile Creek 1752 Comment
  CAS-BOT-BC181956  Lotus denticulatus John Thomas Howell 1935-6-11 11938 Modoc Parker Creek, Warner Mts. 1584 Comment
  CAS-BOT-BC181941  Lotus purshianus var. purshianus John Thomas Howell 1934-6-30 12295 Modoc Duncan Horse Camp. 1355 Comment
  UC748304  Lotus purshianus var. purshianus Annie M. Alexander and Louise Kellogg 1946-7-7 4934 Modoc Eight Mile Creek, ne corner of county Eight Mile Creek 1752 Comment
  CAS-BOT-BC181931  Lupinus Bruce Bartholomew; Barrett Anderson 1988-6-23 4226 Modoc 2.1 km SSE of Day on the road to State Highway 299. 1020 Comment
  CAS-BOT-BC181904  Lupinus arbustus Elmer Ivan Applegate 1929-6-24 5885 Modoc Between Lookout and Adin, upper Pitt River region. Comment
  SBBG3536  Lupinus arbustus H. and M. Dearing 1939-6-9 3637 Modoc Warner Mtns [near Squaw Peak?] 1828 Comment
  CAS-BOT-BC181900  Lupinus arbustus John H. Hatton 1911-6-12 38 Modoc Modoc County. 1524 Comment
  SEINET194912  Lupinus arbustus A. A. Heller 1941-6-25 16205 Modoc West side of Cedar Pass. Comment
  NY732856  Lupinus arbustus subsp. calcaratus A. M. Alexander 1946-7-17 5004 Modoc Near Benton Meadow, Warner Mountains 2073 Comment
  CAS-BOT-BC182191  Lupinus argenteus Amos Arthur Heller 1938-6-24 15222 Modoc Between Alturas and Canby. Comment
  CAS-BOT-BC182219  Lupinus argenteus H. P. Bracelin 1931-6-30 500 Modoc S end of Alturas. 1524 Comment
  LA205001  Lupinus argenteus Mrs. H. P. Bracelin; 1931-6-30 500 Modoc S end of Alturas 1523 Comment
  UC552347  Lupinus argenteus Mrs. H. P. Bracelin 1931-6-30 500 Modoc s end Alturas 1524 Comment
  RSA32937  Lupinus argenteus A. A. Heller 1938-6-24 15222 Modoc Occasional clumps in gravel on slopes between Alturas and Canby. 1341 Comment
  SEINET3145124  Lupinus argenteus L. S. Rose 1940-6-14 40564 Modoc Kelly Hot Springs 1341 Comment
  CHSC118290  Lupinus argenteus var. argenteus L. P. Janeway 2016-5-18 12050 Modoc Modoc Palteau. Between Goose Lake and the Devils Garden area; uplands along southeast side of Goose Lake about 2.1 air-km southwest of north end of Road 48 causeway across the lake. 1434 Comment
  CHSC98636  Lupinus argenteus var. argenteus Richard R. Halse 2006-8-4 6996 Modoc Modoc National Forest, south end of the Warner Mountains, along Patterson Mill Road by Homestead Flat. 2152 Comment
  RSA201202  Lupinus argenteus var. argenteus H. P. Bracelin 1931-6-30 500 Modoc Alturas, south end of town. 1524 Comment
  RSA78893  Lupinus argenteus var. argenteus E. K. Balls, Percy C. Everett 1952-10-11 18159 Modoc 5.2 miles northwest of junction of Highway 299 and 139, west of Alturas. 1524 Comment
  CAS-BOT-BC182082  Lupinus argenteus var. heteranthus Alice Eastwood; John Thomas Howell 1940-6-13 8124 Modoc Near Davis Creek. Comment
  CAS-BOT-BC182090  Lupinus argenteus var. heteranthus C. P. Smith 1947-6-13 47456 Modoc Highway 395, Davis Creek (town), 6.4 mi. S. Comment
  CAS-BOT-BC182094  Lupinus argenteus var. heteranthus Bruce Bartholomew; Barrett Anderson 1990-7-21 5572 Modoc N Barber Creek, road from Surprise Valley to Patterson Ranger Station, E side of Warner Mts. 1710 Comment
  CAS-BOT-BC182108  Lupinus argenteus var. heteranthus Elmer Ivan Applegate 1929-6-24 5895 Modoc Along road between Alturas and Davis Creek. Comment
  CHSC109635  Lupinus argenteus var. heteranthus Lowell Ahart; John Dittes 2012-7-11 18338 Modoc East of the 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
  JEPS100599  Lupinus argenteus var. heteranthus Dean W. Taylor 1987-6-27 9082 Modoc roadside of Highway 299 1.6 miles East of Cedarville, Middle Alkali Lake 1402 Comment
  JEPS65015  Lupinus argenteus var. heteranthus Leland S. Smith 1918-6-20 974 Modoc Lily Lake Warner Mts., Pine Creek (Lily Lake) (Pine Creek) 1981 Comment
  UC1075725  Lupinus argenteus var. heteranthus Robert J. Weatherby 1955-7-8 1635 Modoc 3 mi N of Ft. Bidwell; northern Warner Mountains 1554 Comment
  UC126983  Lupinus argenteus var. heteranthus Milo S. Baker 1893-6-17 Modoc Comment
  RSA614700  Lupinus argenteus var. palmeri G. R. Ballmer 1988-7-20 s.n. Modoc Horse Ridge, in the Warner Mountains, near NW corner of the South Warner Wilderness Game Refuge, SW of Cedarville. 2134 Comment
  POM23636  Lupinus caudatus R. M. Austin 1895-07 410 Modoc Goose Lake Valley. Comment
  POM215170  Lupinus johannis-howellii A. H. Rodda 1932-7-1 s.n. Modoc Near Macarthur. Comment
  CAS-BOT-BC181881  Lupinus latifolius Roxana Stinchfield Ferris; R. Duthie 1919-6-14 1476 Modoc Parker Creek at Modoc Nat. Forest boundary. Comment
  CAS-BOT-BC181889  Lupinus latifolius Mrs. H. C. Cantelow 1940-6-1 Modoc 12.5 mi E of Alturas. Comment
  HSC14855  Lupinus latifolius M. T. Milligan 1966-8-3 637 Modoc W slope of Eagle Peak 2439 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-BC181879  Lupinus lepidus var. lobbii Bruce Bartholomew 1992-8-8 6364 Modoc Summit Trail at pass on W ridge of Warren Peak, E side of Warner Mountains. 2870 Comment
  JEPS65336  Lupinus lepidus var. lobbii Frances D. Payne 1931-6-29 307 Modoc e slope of Mt. Warren; Warner Mountains, e slope of Mt. Warren 2286 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-BC181861  Lupinus lepidus var. sellulus Mrs. H. C. Cantelow 1940-6-2 Modoc NW of Canby on road to Lava Bed National Monument. Comment
  CAS-BOT-BC181856  Lupinus leucophyllus Milo Samuel Baker; Franklin P. Nutting 1894-6-8 Modoc Lava near Egg Lake. Comment
  CAS-BOT-BC181831  Lupinus microcarpus var. microcarpus Bruce Bartholomew 1991-6-20 5771 Modoc Just N of Lassen County line on county road 90. 1220 Comment
  CAS-BOT-BC181841  Lupinus microcarpus var. microcarpus C. P. Smith 1947-6-13 47451 Modoc 2.5 mi. S of Canby, Highway 299. Comment
  UC126963  Lupinus microcarpus var. microcarpus Mrs. R. M. Austin and Bruce July 1898 154 Modoc Goose Lake Comment
  POM10817  Lupinus polycarpus C. F. Baker 1893-08 6953 Modoc No location listed on label. Comment
  NY747606  Lupinus polyphyllus var. saxosus B. M. Bartholomew 1989-4-28 4645 Modoc 8.8 km north of State Highway 299 on road to Raker and Thomas Reservoir 1470 Comment
  HSC14937  Lupinus saxosus Allan R. Marshall 1962-5-12 13 Modoc 3 mi. W of Canby on Hwy. 299 1220 Comment
  RSA486801  Lupinus saxosus Bruce Bartholomew, B. Anderson 1988-5-13 4149 Modoc Along Parker Creek Road, at the border of Modoc National Forest and 16 km WSW of Alturas, side of the Warner Mtns. 1580 Comment
  SD116268  Lupinus saxosus David B. Dunn, Paul Gallian 1971-6-2 17782 Modoc 9.0 miles southwest of Canby on California Highway 299. 1463 Comment
  HSC76500  Lupinus subvexus var. subvexus Cox, Dunn, Fleak 1970-6-8 1955 Modoc 6 mi. N of Alturas at jct. of US Hwy. 395-299 with Cedarville Rd. 1463 Comment
  JEPS67161  Luzula comosa var. laxa M. S. Baker and Frank Nutting 1894-6-15 Modoc Big Valley Mountains Comment
  HSC100750  Lythrum tribracteatum Lowell Ahart, John Dittes 2010-8-30 17055 Modoc N side of wash ~10 yd. W of fence, S edge of meadow in the Ash Creek State Wildlife Area, 2,300 ft. N of Lassen Co. line, 3.6 (air) mi. W of Adin and 8 (air) mi. NE of Bieber, Big Valley. 1268 Comment
  RSA0016027  Lythrum tribracteatum Robert F. Thorne, James Henrickson, C. W. Tilforth 1969-9-4 39099 Modoc On muddy spit and shore of N Fork of Pit River 3.4 mi. N of Alturas where crossed by Highway 395. 1341 Comment
  CAS-BOT-BC49402  Madia glomerata Francis Dorris Payne 1934-8-1 Modoc Parker Creek. 1584 Comment
  CAS-BOT-BC49447  Madia glomerata Annie Montague Alexander; L. Kellogg 1946-7-7 4930 Modoc Eight Mile Creek, NE corner of county 1752 Comment
  CAS-BOT-BC49448  Madia glomerata M. Vasey 1990-6-30 9063 Modoc Along County Rd 95 in dried wetland N of road, near Egg Lake. 1500 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
  POM29868  Madia minima Mrs. R. M. Austin 1895-07 550 Modoc Goose Lake Valley. Comment
  NY500375  Mahonia repens B. M. Bartholomew 1989-8-12 5122 Modoc South Fork of Pine Creek where it crosses West Warner Road, west side of Warner Mountains 1900 Comment
  RSA59970  Mahonia repens E. K. Balls 1950-5-13 14681 Modoc West of Goose Lake, 0.5 mile S of Oregon- California State Line. 1463 Comment
  CAS-BOT-BC242029  Maianthemum racemosum Bruce Bartholomew 1991-6-20 5782 Modoc NE side of Barber Ridge, 10 km NW of Adin on road to Fox Mountain. 1580 Comment
  CAS-BOT-BC242168  Maianthemum stellatum Roxana Stinchfield Ferris; R. Duthie 1919-6-14 153 Modoc Parker Creek, 14 mi. from Alturas. Comment
  UCD139122  Maianthemum stellatum Verne Grant; Irving Schneider 1947-7-22 8141 Modoc North Fork of Pit River on Highway 395, about one mile north of junction with Cedarville road. Comment
  CAS-BOT-BC242172  Maianthemum stellatum Leland S. Smith (n.d.) 1001 Modoc Modoc Forest Comment
  CAS-BOT-BC179099  Malva neglecta Mrs. H. C. Cantelow 1940-6-1 4012 Modoc E slope Cedar Pass. Comment
  POM229956  Marsilea vestita L. C. Wheeler 1935-8-18 3897 Modoc 2 miles northeast of Alturas 1357 Comment
  UC1536820  Marsilea vestita subsp. vestita Gordon H. True Jr. 1939-6-6 1035 Modoc near Lookout (Gooch Swamp) Comment
  CHSC112096  Matricaria discoidea Lowell Ahart; John Dittes 2012-7-12 18353 Modoc In the parking area on the east side of Elkins Lane, northeast of the homestead, about 300 yards north of the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1295 Comment
  CHSC117571  Matricaria occidentalis Lowell Ahart; John Dittes 2016-7-14 21156 Modoc 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-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
  CAS-BOT-BC247627  Melica bulbosa Leland S. Smith 1917-6-21 53 Modoc South Fork Fitzhugh Creek. 1981 Comment
  SEINET11678892  Melica stricta M. Ownbey, Meyer, F. G. 1940-1 2152 Modoc Cedar Peak, Warner Mts Comment
  UC190592  Melica stricta M. F. Gilman 514 Modoc Comment
  UCD88671  Melica subulata R. Tofsrud 1947-7-1 251 Modoc 5 mi. W of Ft. Bidwell. Comment
  UCD88679  Melica subulata L. D. Whitney 1935-7-13 s.n. Modoc Cottonwood flat. Comment
  HSC15023  Melilotus indicus M. T. Milligan 1964-7-20 154 Modoc N end of Jess Valley, near Mill Creek. 1677 Comment
  CHSC115531  Mentha arvensis Lowell Ahart; John Dittes 2015-7-16 20359 Modoc North edge of Ash Creek (destroyed), southeast of the gravel pit (destoryed), 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 Beiber, Big Valley. 1267 Comment
  UC634865  Mentha canadensis F. H. Frost Modoc Jess Valley; Warner Mts., Jess Valley Comment
  CAS-BOT-BC179132  Mentzelia dispersa R. M. Austin; C. C. (Mrs.) Bruce 1898-6-1 2368 Modoc Goose Lake. Comment
  HSC15866  Mentzelia dispersa M. T. Milligan 1965-6-30 402 Modoc Slopes and ridges E of Jess Valley. 1768 Comment
  RSA520500  Mentzelia dispersa Bruce Bartholomew 1989-7-15 4999 Modoc Sweagert Flat. 567 Comment
  SEINET195717  Mentzelia dispersa Unknown 1946-6-12 4736 Modoc Fandango Pass road 1676 Comment
  CAS-BOT-BC179142  Mentzelia dispersa Belknap C. Goldsmith 1912-7-1 59 Modoc Modoc County. 1219 Comment
  CAS-BOT-BC179124  Mentzelia laevicaulis E. S. Willits 1939-10-10 155 Modoc Surprise Valley. Comment
  RSA518559  Mentzelia laevicaulis George K. Helmkamp 1990-9-23 H- 6 Modoc US Hwy 395, 13 mi. N of Likely. 1341 Comment
  CAS-BOT-BC179120  Mentzelia montana Alice Eastwood; John Thomas Howell 1940-6-14 8254 Modoc Between Mammoth Cave and Lava Bed National Monument. Comment
  CAS-BOT-BC170842  Mentzelia veatchiana Christopher Davidson 1975-6-4 2612 Modoc 1/4 mi W of Cedarville on Hwy 200, steep volcanic slope, N side of rd. S slope. 1463 Comment
  CAS-BOT-BC179113  Mentzelia veatchiana Bruce Bartholomew 1991-6-22 5836 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-BC191145  Menyanthes trifoliata Francis Dorris Payne 1929-7-26 121 Modoc Pine Creek Basin. 2133 Comment
  JEPS20795  Menyanthes trifoliata Frances D. Payne 1929-7-26 121 Modoc 2 mi sw of Mount Warren (Pine Creek Basin, southeastern Modoc County); Pine Creek Basin 2133 Comment
  NY1084556  Mertensia longiflora B. M. Bartholomew 1991-5-24 5738 Modoc Near north side of Big Mud Lake at the Nevada State boundary 1680 Comment
  HSC80937  Mertensia oblongifolia G. M. Riegel 1980-7-31 980 Modoc S Warner Mtns. 2100 Comment
  RSA534714  Mertensia oblongifolia var. nevadensis Bruce Bartholomew 1991-6-21 5802 Modoc Vicinity of Lily Lake, N end of the Warner Mountains. 2030 Comment
  CAS-BOT-BC54020  Mertensia oblongifolia var. oblongifolia E. S. Willits 1940-5-6 224 Modoc Lassen Creek, Willow Ranch. Comment
  SEINET3152691  Mertensia sibirica Mrs. M. H. Manning 1903-4-1 83 Modoc Near Fort Bidwell; N-eastern part of county Comment
  CAS-BOT-BC225952  Micranthes nidifica Annie Montague Alexander; L. Kellogg 1946-6-30 4879 Modoc Highgrade, W side of ridge, N end of Warner Mts. 2377 Comment
  CAS-BOT-BC95553  Micromonolepis pusilla Bruce Bartholomew 1991-5-24 5694 Modoc Surprise Valley, 5.1 km E of Eagleville. 1370 Comment
  CAS-BOT-BC95554  Micromonolepis pusilla Bruce Bartholomew 1993-6-13 6643 Modoc Consolidated sand dunes just W of Leonard Hot Spring, E side of Surprise Valley. 1410 Comment
  RSA0049627  Microseris nutans Dean Wm. Taylor 2012-6-5 21216 Modoc Vicinity Crank Spring (11 air miles North of Lookout) 1365 Comment
  RSA0089791  Microseris nutans Dean Wm. Taylor 2012-6-5 21216 Modoc Vicinity Crank Spring (11 air miles North of Lookout). 1365 Comment
  HSC81137  Microseris nutans G. M. Riegel 1979-7-2 462 Modoc South Warner Mtns. 2100 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
  UCD118920  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
  POM204118  Microsteris gracilis subsp. gracilis J. T. Howell 1934-6-14 12133 Modoc Near Lost Lake, Warner Mts. 2439 Comment
  RSA520452  Microsteris gracilis subsp. gracilis Bruce Bartholomew, B. Anderson 1989-4-27 4619 Modoc 2.1 km SSE of Day on road to State Highway 299. 1020 Comment
  RSA59514  Microsteris gracilis subsp. humilis E. K. Balls 1950-5-12 14659 Modoc Bucks Creek Ranger Station, Modoc National Forest, east of Goose Lake 1677 Comment
  UC1553379  Mimulus breweri Sch/Yor/Hor/Ach 1988-7-16 1827 Modoc ca. 1 mi se Pepperdine Camp; Warner Mtns. 2316 Comment
  HSC20751  Mimulus guttatus M. T. Milligan 1965-6-23 298 Modoc N end Jess Valley 1616 Comment
  HSC65565  Mimulus guttatus Thomas Wood 1979-8-8 212 Modoc 1 mi. S of Ft. Bidwell along Hwy. 1, corner house where road turns W 1372 Comment
  UC71678  Mimulus guttatus Mrs. M. H. Manning 1902-5 47 Modoc near Fort Bidwell Comment
  POM43666  Mimulus guttatus R. M. Austin 514 Modoc Goose Lake Valley. Comment
  UC1537634  Mimulus guttatus Gordon H. True Jr. 1939-7-21 1032 Modoc Jack Swamp Comment
  HSC30183  Mimulus layneae D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19518 Modoc Big Valley Summit, 6 mi. W of Adin on Hwy. 299 Comment
  POM229221  Mimulus lewisii Louis C. Wheeler 1935-8-8 3807 Modoc Consolidated Mine, Pine Creek, Warner Mountains. 2287 Comment
  UC1523788  Mimulus nanus var. jepsonii Gregg Riegel 1981-7-13 1151 Modoc near Day 1524 Comment
  HSC26012  Mimulus nanus var. nanus D. H. Norris, S. Dowty, T. Nelson 1971-6-23 19372 Modoc Along the S Fork of the Pit River, ~6 mi. E of Likely. Comment
  RSA535448  Mimulus nanus var. nanus David M. Thompson 1988-6-2 926 Modoc 8.5 airmiles NNE of Adin. 0.2 mi W of campground loop road of Upper Rush Creek Campground; ca. 2 mi E of Hwy 139-299. 1600 Comment
  POM43861  Mimulus nanus var. nanus R. M. Austin 1895-07 16 Modoc [No location data on label] Comment
  RSA78966  Mimulus nanus var. nanus E. K. Balls, Percy C. Everett 1952-10-11 18163 Modoc 4.9 mi. w. from turn off of Hwy 139 on road to Pumice Pits, e. edge of Glass Flow. 1280 Comment
  SEINET3367733 Image available Mimulus rubellus Annie M. Alexander, Louise Kellogg 1946-7-24 5078 Modoc Bear Camp Flat, Warner Mountains. 2286 Comment
  UC8124  Minuartia douglasii Milo S. Baker 1894-6-25 Modoc Big Valley Mountains Comment
  CAS-BOT-BC225803  Mitella pentandra Bruce Bartholomew; Barrett Anderson 1988-6-24 4335 Modoc Lily Lake, W side of the Warner Mts.. 2130 Comment
  CHSC67817  Monardella odoratissima James D. Jokerst 1990-8-2 3208 Modoc Summit of East Sand Butte just E of Lava Beds National Monument. 1423 Comment
  LA62591  Monardella odoratissima Louis C. Wheeler; 1935-8-14 3841 Modoc Warner Mountains, Pine Creek 2011 Comment
  SEINET2045901 Image available Monardella odoratissima D. A. Charlet, C. Petty 1988-8-12 174 Modoc Warner Mountains, 400 m SSW of Warren Peak 2744 Comment
  CAS-BOT-BC179855  Monardella odoratissima subsp. glauca Barrett Anderson 1986-7-9 3157 Modoc Hwy 299 just W of Cedar Pass. 1920 Comment
  CHSC109461  Monardella odoratissima subsp. glauca B. Castro; L. P. Janeway 2012-7-24 1947 Modoc Warner Mountains. Along Forest Road/County Road 2 (the road from New Pine Creek to Fort bidwell) 0.6 air mi west of Lily Lake and 0.9 air mi northwest of Yellow Mountain. 6391 Comment
  CAS-BOT-BC179857  Monardella odoratissima subsp. glauca Leland S. Smith 1918-8-18 1046 Modoc Ridge above Emerson. Eagle and Bear. 2438 Comment
  CAS-BOT-BC179358  Monardella odoratissima subsp. pallida Belknap C. Goldsmith 1912-7-1 58 Modoc Little Hot Spring Valley. 1219 Comment
  CAS-BOT-BC197516  Montia chamissoi Bruce Bartholomew; Barrett Anderson 1990-7-20 5506 Modoc Tamarack Flat, E side of Warner Mts. 2150 Comment
  CAS-BOT-BC197522  Montia chamissoi Mrs. H. C. Cantelow 1941-5-23 s.n. Modoc 2 mi. W of Adin Summit, U.S. Hy. 299, E of Bieber. Comment
  POM260459  Montia fontana C. L. Hitchcock 1940-5-27 6697 Modoc 12 miles NE of Alturas. 1616 Comment
  NY497755  Montia fontana var. tenerrima C. L. Hitchcock 1940-5-27 6697 Modoc 12 miles northeast of Alturas 1615.4 Comment
  CAS-BOT-BC197501  Montia linearis Annie Montague Alexander; L. Kellogg 1946-6-14 4755 Modoc Patterson Mill - Silver Creek roads. 1828 Comment
  CAS-BOT-BC197544  Montia linearis Roxana Stinchfield Ferris; R. Duthie 1919-6-14 42 Modoc Parker Creek near Modoc Nat. Forest Boundary. Comment
  UC748280  Montia linearis Annie M. Alexander and Louise Kellogg 1946-6-14 4755 Modoc Silver Creek branch of Patterson Mill Road 1828 Comment
  SEINET10960336  Muhlenbergia asperifolia Louis C. Wheeler 1935-9-4 Wheeler 3948 Modoc Dry sunny rock crevices in old beach. McGinty Point, Goose Lake. 1463 Comment
  SEINET7297181 Image available Muhlenbergia asperifolia Leland S. Smith 1917-1 152901 Modoc Surprise Valley, Ft. Bidwell, Warner Mts. 1372 Comment
  UC1024849  Muhlenbergia richardsonis Leo Whitney 1935-6-9 3200 Modoc near White Horse (on meadow); White Horse lake (flat) Comment
  UC1101354  Myosurus apetalus Herbert L. Mason 1957-6-21 14704 Modoc w side of Said Valley Comment
  POM319215  Myosurus aristatus Patricia Wilder 1971-6-20 5071 Modoc North part of Egg Lake (now a meadow), northwest of Lookout; north of Bieber and California State Highway 299; Modoc National Forest. Cascades Mt. Range. 1372 Comment
  SJSU9632  Myosurus minimus W. Savage 1979-7-7 1451 Modoc Triangle, W side Fairchild Swamp Unit, Modoc National Forest 1493 Comment
  UC1738098  Myosurus minimus H. L. Mason 1957-6-3 65 Modoc Margin of pond on Timber Mountain. Comment
  UC1536811  Myriophyllum sibiricum Gordon H. True Jr 1939-7-21 1021 Modoc Jack Swamp, N of Canby. Comment
  CAS-BOT-BC180053  Myriophyllum verticillatum Robert Folger Thorne; C. W. Tilforth 1969-9-5 39147 Modoc N of S Fork of Pit River above jct. with W Creek at Public Campground, ca. 6 mi E of Likely. 1402 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
  CAS-BOT-BC198017  Navarretia breweri Beecher Crampton 1954-7-7 2144 Modoc W side of Cedar Pass, Warner Mts. 1889 Comment
  JEPS70247  Navarretia breweri Milo S. Baker 1894-6-29 Modoc Big Valley Comment
  UC1178897  Navarretia breweri Herbert L. Mason 1947-7-8 13306 Modoc Cedar Pass, summit of Warner Range Warner Range 1920 Comment
  UC705723  Navarretia breweri Marion Ownbey, Fred G. Meyer 1940-7-1 2146 Modoc w slope Cedar Peak; Warner Mts. Comment
  UCD32713  Navarretia breweri Beecher Crampton 1954-7-7 2144 Modoc Modoc County, open slopes of cedar Pass summit. 1097 Comment
  UC133705  Navarretia divaricata subsp. vividior Mrs. R. M. Austin Jun 1892 Modoc e of Goose Lake; Warner Mountains Comment
  JEPS117329  Navarretia intertexta subsp. intertexta Lowell Ahart, John Dittes 2010-8-30 17056 Modoc About 10 yards west of the fence, south edge of the meadow, Ash Creek State Wildlife Area, 2300 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley 1267 Comment
  UC133669  Navarretia intertexta subsp. propinqua Milo S. Baker 1899-8-24 Modoc Forestdale Comment
  UC711866  Navarretia intertexta subsp. propinqua Roxana S. Ferris and Laura Lorraine 1941-8-14 10604 Modoc 8.5 mi from Patterson Ranger Station (on Eagleville road); Warner Mountains, Modoc National Forest Comment
  JEPS3968  Navarretia intertexta subsp. propinqua N. T. Mirov 1929-6-28 Modoc Fandango Valley Warner Mountains 1584 Comment
  HSC75906  Navarretia leucocephala subsp. minima D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19395 Modoc Along Hager Basin Rd. near Big Sage Reservoir. Comment
  RSA150284B  Navarretia sinistra A. J. Cronquist, Arthur H. Holmgren 1959-6-20 8522 Modoc Warner Mountains: at Cedarville Pass, between Cedarville and Alturas. 1921 Comment
  UC23423  Navarretia sinistra Milo S. Baker 1893-7-8 Modoc Comment
  CAS-BOT-BC197958  Navarretia subuligera Alice Eastwood; John Thomas Howell 1940-6-15 8299 Modoc 5 mi. N of Lookout. Comment
  CHSC112138  Nemacladus capillaris Dean Wm. Taylor 2012-6-19 21244 Modoc Mouth of Baggett Gulch (ca 3 air miles S of Canby), Modoc National Forest. 1463 Comment
  HSC81075  Nemophila breviflora G. M. Riegel 1979-6-30 506 Modoc S Warner Mtns. 2100 Comment
  POM248920  Nemophila breviflora Lincoln Constance 1938-6-12 2332 Modoc Edge of Thombs Creek at foot of Bonner Grade, Cedar Pass Road, 13.4 miles NE of Alturas, western foothills of the Warner Range 1524 Comment
  RSA534606  Nemophila parviflora var. austiniae Bruce Bartholomew 1991-5-23 5689 Modoc 0.5 km east of Day on County Road 94. 1050 Comment
  CAS-BOT-BC179286  Nemophila pedunculata F. Angwin 1946-4-13 Modoc Big Valley near Adin. 1280 Comment
  HSC26509  Nemophila pedunculata J. P. Smith, J. O. Sawyer 1972-5-6 5258 Modoc FS road to Quail Spring at Hwy. 299, N of Adin 1463 Comment
  UC748447  Nemophila pedunculata Annie M. Alexander and Louise Kellogg 1946-6-5 4665 a Modoc s Eagleville (Emerson Camp, Emerson Creek); Warner Mountains, Emerson Creek, s of Eagleville 2133 Comment
  POM249004  Nemophila pedunculata Lincoln Constance 1938-6-12 2337 Modoc Margin of Rush Creek, 8 miles northeast of Adin. 1524 Comment
  HSC65549  Nepeta cataria Thomas Wood 1979-8-8 200 Modoc 1 mi. S of Ft. Bidwell, along Hwy. 1, corner house where road turns W 1372 Comment
  RSA59853  Nestotus stenophyllus E. K. Balls 1950-5-13 14673 Modoc W shore of Goose Lake, 0.2 mile S of Oregon-Calif. state line. 1463 Comment
  CHSC34509  Nicotiana attenuata J. D. Prouty 1980-8-9 1148 Modoc Ca. 2 mi e of Cedarville, n side of Rd 299 as it intersects w margin of Middle Alkali Lake. Comment
  JEPS117369  Nicotiana attenuata Lowell Ahart, John Dittes 2010-8-30 17081 Modoc 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
  UC427888  Nicotiana attenuata Isabel Kelly 1930-1 Modoc ne of Fort Bidwell (on the Cowhead Lake road); Surprise Valley Comment
  UC71730  Nicotiana attenuata Mrs. M. H. Manning 1902-9-1 2 a Modoc Long Valley Comment
  CAS-BOT-BC95556  Nitrophila occidentalis Elmer Ivan Applegate 1932-7-6 8196 Modoc E side of Middle Lake, Surprise Valley. Comment
  CHSC101018  Nothocalais troximoides John Dittes 2008-5-21 1520 Modoc Modoc Plateau; Big Valley; ca. 1.7 air miles south of Lookout, ca. 1.1 air miles west of County Road 91; floodplain terrace of Pit River. 1259 Comment
  JEPS79207  Nothocalais troximoides L. R. Heckard with Rimo Bacigalupi 1980-6-11 5239 Modoc junction of Parker Creek and Sheilds Creek (about 10 air mi se of Alturas); Parker Creek 1737 Comment
  UC985676  Nuphar lutea subsp. polysepala Herbert L. Mason, Verne Grant 1947-7-12 13388 Modoc several miles s of Alturas (Irrigation ditch by Jones' Lane, off Highway 395) Comment
  CDA38149  Oenothera elata Briles 1936-7-2 s.n. Modoc [No further data] 0 Comment
  CAS-BOT-BC190808  Oenothera elata subsp. hirsutissima Mrs. M. H. Manning 1904-7-1 209 Modoc Fort Bidwell. Comment
  JEPS118470  Oenothera flava Lowell Ahart, John Dittes 2011-6-21 17515 Modoc About 200 yards west of the fence, south edge of the meadow, Ash Creek State Wildlife Area, about 2,000 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley 1267 Comment
  CAS-BOT-BC190802  Oenothera flava subsp. flava K. Paulson; Robert Paulson 1989-6-21 142 Modoc Vicinity of S Fork of Pine Creek, W side of the Warner Mts. 1883 Comment
  CAS-BOT-BC245092  Olsynium douglasii var. douglasii Belknap C. Goldsmith 1913-5-13 95 Modoc W side of Warner Mts. near Willow Ranch. 1584 Comment
  JEPS48968  Olsynium douglasii var. douglasii Leland S. Smith 1918-5-18 927 Modoc Cedarville road e Alturas 1676 Comment
  UC1587056  Olsynium douglasii var. inflatum G. Schoolcraft 1991-5-15 2136 Modoc e slope of mt. 5 mi n Lookout; Splawn Mtn. 1371 Comment
  UCD134665  Onopordum acanthium T. C. Fuller 1959-7-8 2795 Modoc south side of 4th Street, east of East Street, Alturas. Comment
  UCD134666  Onopordum acanthium T. C. Fuller 1959-7-8 2795 Modoc south side of 4th Street, east of East Street, Alturas. Comment
  CAS-BOT-BC49372  Onopordum acanthium subsp. acanthium Bruce Bartholomew; Barrett Anderson 1990-7-19 5395 Modoc Turner Creek at County Rd 90, N end of Big Valley, 6.4 km N of Lassen County border. 1230 Comment
  CAS-BOT-BC190798  Orobanche corymbosa Bruce Bartholomew 1994-7-1 6745 Modoc 7.6 km NW of County Road 91 between Lookout and Lookout Jct. on County road 93. 1280 Comment
  HSC16680  Orobanche corymbosa M. T. Milligan 1966-8-3 642 Modoc W slope of Eagle Peak 2134 Comment
  CAS-BOT-BC190792  Orobanche fasciculata Elmer Ivan Applegate 1897-6-1 3031 Modoc 9 mi. W of Alturas. Comment
  CAS-BOT-BC190785  Orobanche uniflora Bruce Bartholomew; L. E. Skog; M. Gilbert 1993-5-11 6505 Modoc Fletcher Creek near crossing by Crowder Flat Road. 1600 Comment
  CAS-BOT-BC190787  Orobanche uniflora E. H. Steffen 1917-6-10 39 Modoc Jess Valley. 1524 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
  CHSC109451  Orthilia secunda B. Castro; L. P. Janeway 2012-7-24 1945 Modoc Warner Mountains. Along Forest Road/County Road 2 (the road from New Pine Creek to Fort Bidwell) 0.9 air mi east of Lily Lake and 1.1 air mi southwet of Dismal Swamp. 2250 Comment
  CAS-BOT-BC232318  Orthocarpus cuspidatus subsp. copelandii Bruce Bartholomew; Barrett Anderson 1990-7-20 5462 Modoc 4 km N of Buck Creek Ranger Station at turn off to Del Prat Spring, W side of Warner Mts. 1900 Comment
  CHSC109450  Orthocarpus cuspidatus subsp. cryptanthus B. Castro; L. P. Janeway 2012-7-24 1954 Modoc Warner Mountains. Northwestern flank of Mount Bidwell; ca 0.6 air mi S of Dismal Swamp, off upper edge of open lodgepole pine forest. 2377 Comment
  SEINET13756734  Orthocarpus cuspidatus subsp. cryptanthus M. J. Williams 1983-7-29 83- 116 -7 Modoc Warner Mtns., 1.1 mi N of Stowe Reservoir Campground, N of Cedar Pass 2088 Comment
  RSA14098  Orthocarpus lacerus Elmer I. Applegate 1929-6-24 5893 Modoc Between Alturas and Davis Creek. Comment
  RSA305792  Orthocarpus lacerus James R. Shevock 1972-5-20 1803 Modoc Hwy 299, W of Canby. 1372 Comment
  UC726143  Orthocarpus luteus A. A. Heller 1940-6-30 15745 Modoc along U.S. Highway #299, 8 mi w Alturas; w of Alturas Comment
  CAS-BOT-BC15743  Osmorhiza chilensis Roxana Stinchfield Ferris; R. Duthie 1919-6-3 52 Modoc Along Parker Creek at Modoc National Forest boundary., Comment
  CAS-BOT-BC15744  Osmorhiza depauperata John Thomas Howell 1934-6-12 12028 Modoc Plum Valley. Comment
  JEPS5968  Osmorhiza depauperata Frances D. Payne 1929-6-24 21 Modoc s and e Alturas (above Fitzhugh Springs, Pine Creek, Warner Mountains); Warner Mountains, Pine Creek 1828 Comment
  OBI81415  Osmorhiza obtusa L. Constance 1946-7-4 3104 Modoc Shaded creek-side, Deep Creek 3.4 miles below summit, Warner Mountains 1829 Comment
  CAS-BOT-BC15746  Osmorhiza occidentalis Barrett Anderson 1986-7-9 3152 Modoc Hwy 299 just W of Cedar Pass. 1920 Comment
  CAS-BOT-BC15748  Osmorhiza occidentalis C. C. (Mrs.) Bruce 1894-7-1 66 Modoc Lake City Canyon. Comment
  UC748242  Osmorhiza occidentalis Annie M. Alexander and Louise Kellogg 1946-7-31 5101 Modoc Eagle Peak Warner Mountains (s slope) 2438 Comment
  CAS-BOT-BC218101  Oxyria digyna Bruce Bartholomew 1991-8-5 6039 Modoc Squaw Peak Trail on N side of Squaw Peak, E side of Warner Mts. 2420 Comment
  CHSC100838  Oxyria digyna L. P. Janeway 2008-8-17 9568 Modoc Warner Mountains. North slope of Bald Mountain; just below the cliffs at the top of the peak. 2400 Comment
  NY404356  Oxyria digyna B. M. Bartholomew 1991-8-5 6039 Modoc Squaw Peak Trail on north side of Squaw Peak, east side of Warner Mountains 2420 Comment
  HSC6104  Packera cana M. T. Milligan 1966-8-3 628 Modoc W slope of Eagle Peak 2439 Comment
  JEPS37603  Packera cana L. S. Smith 1918-7-7 975 Modoc Jess Valley Modoc National Forest 1524 Comment
  UC201713  Packera cana W. P. Taylor and H. C. Bryant 1910-6-25 Modoc Parker Cr. Warner Mountains, Parker Cr. 1676 Comment
  UC748191  Packera cana Annie M. Alexander and Louise Kellogg 1946-7-23 5044 Modoc e slope Emerson Peak; Warner Mountains, e slope Emerson Peak Comment
  HSC6112  Packera eurycephala M. T. Milligan 1964-6-6 13 Modoc N side of Dorris Reservoir along shore 1372 Comment
  CAS-BOT-BC50317  Packera eurycephala var. eurycephala Bruce Bartholomew 1991-5-25 5766 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-BC50318  Packera eurycephala var. eurycephala Roxana Stinchfield Ferris; R. Duthie 1919-6-14 56 Modoc Above Parker Creek. Comment
  UC335834  Packera multilobata unknown May 1879 Modoc Surprise Valley Comment
  CAS-BOT-BC190775  Paeonia brownii Annie Montague Alexander; L. Kellogg 1946-6-15 4778 Modoc Deep Creek. 2164 Comment
  CAS-BOT-BC190777  Paeonia brownii Frances Payne 1929-7-7 48 Modoc Pine Creek Basin, Warner Mts. 2316 Comment
  HSC30080  Paeonia brownii D. H. Norris, T. Nelson, S. Dowty 1971-6-22 19308 Modoc Soup Springs Campground Comment
  HSC81026  Paeonia brownii G. M. Riegel 1980-8-9 1027 Modoc S Warner Mtns. 2100 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
  POM275207  Paeonia brownii A. M. Alexander, Louise Kellogg 1946-6-15 4778 Modoc Deep Creek 2165 Comment
  RSA99680  Paeonia brownii W. A. Weber 1953-5-14 8372 Modoc West end of Jess Valley 10 miles east of Likely 1433 Comment
  CHSC100435  Panicum capillare Lowell Ahart; John Dittes 2008-8-25 15324 Modoc On the west bank of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout. 1273 Comment
  UCR67456  Panicum capillare George K. Helmkamp 1990-9-23 I- 24 Modoc Warner Mtns, Goose Lake, within 0.1 mi of the Oregon border 1476 Comment
  RSA531348  Pedicularis attollens K. Paulson, R. Paulson 1990-7-21 213 Modoc Patterson Meadow, Warner Mts. Comment
  JEPS10739  Pedicularis groenlandica L. S. Smith 1918-6-22 945 Modoc Lily Lake; Modoc National Forest 2103 Comment
  UC748174  Pedicularis semibarbata Annie M. Alexander and Louise Kellogg 1946-7-17 5006 Modoc Benton Meadow; Warner Mountains 2072 Comment
  UC1093650  Pedicularis semibarbata Herbert L. Mason 1957-7-6 14722 Modoc divide between Davis Creek and Mill Creek; Warner Mountains, Benton Meadows Comment
  CAS-BOT-BC30193  Pellaea breweri Bruce Bartholomew 1992-8-8 6376 Modoc Vicinity of Patterson Lake, E side of Warner Mountains. 2750 Comment
  CAS-BOT-BC30194  Pellaea breweri Bruce Bartholomew 1990-6-16 5269 Modoc Rock outcrops between roadhead and Pine Creek Basin, W side of Warner Mountains. 2160 Comment
  CAS-BOT-BC30196  Pellaea breweri Bruce Bartholomew 1992-8-9 6392 Modoc Upper region of Owl Creek drainage, below cliffs, E of Summit Trail, E side of Warner Mtns 2470 Comment
  HSC72503  Penstemon davidsonii J. P. Smith, J. O. Sawyer 1973-8-8 7218 Modoc Near summit of Eagle Peak 2988 Comment
  JEPS8093  Penstemon davidsonii var. davidsonii W. L. Jepson 1918-8-13 7968 Modoc Eagle Peak Warner Mts., Eagle Peak 3017 Comment
  JEPS123496  Penstemon deustus Wilson Collison, Jaileen Merced 2015-7-25 CA 320 -140 Modoc To Road 54 SW from Alturas town, take dirt road on the left before Canyon (4783). Keep straight 4 mi up to dry pit. Comment
  UC573267  Penstemon deustus M. H. Mitchell 1936-5-21 49 Modoc 2 mi SE Hospital Rock; Modoc Lava Beds Natl. Mon., Dorris Quadrangle 1249 Comment
  CAS-BOT-BC232326  Penstemon deustus var. pedicellatus Isabelo T. Kelly 1930-1-1 46 Modoc Modoc County. Comment
  CAS-BOT-BC232373  Penstemon deustus var. pedicellatus Roxana Stinchfield Ferris; R. Duthie 1919-6-13 100 Modoc Above Parker Creek, Warner Mountains Comment
  UC71747  Penstemon deustus var. pedicellatus Mrs. M. H. Manning 1903-6-8 158 Modoc Mt. Bidwell Mt. Bidwell (north-eastern Modoc County) 1676 Comment
  CAS-BOT-BC245539  Penstemon gracilentus Frederick H. Frost 1925-7-25 156 Modoc Eagle Peak, Warner Mountains Comment
  CAS-BOT-BC245541  Penstemon gracilentus Elmer Ivan Applegate 1932-7-31 7959 Modoc Mill Creek Meadow, Warner Mountains Comment
  UC1594759  Penstemon gracilentus David Charlet 1989-8-15 512 Modoc 1.3 km nw Eagle Peak (Upper Slide Creek, South Warner Mountains); South Warner Mountains, nw of Eagle Pk, Upper Slide Creek 2549 Comment
  UCR80228  Penstemon gracilentus L. C. Wheeler 1935-8-8 3812 Modoc Warner Mtns., North Fork Bidwell Creek 2287 Comment
  CAS-BOT-BC232502  Penstemon roezlii Roxana Stinchfield Ferris; R. Duthie 1919-6-15 58 Modoc Along Parker Creek. Comment
  CAS-BOT-BC232521  Penstemon roezlii Lincoln Constance 1938-6-12 2335 Modoc Open flat near foot of Banner Grade, Cedar Pass road 12.8 mi. NE of Alutras. 1463 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
  NY641740  Penstemon roezlii K. A. Vincent 1987-8-4 4495 Modoc Warner Range; at jct. of roads to Plum Valley Campground and Benton Meadow, ca. 1.8 miles east-southeast of Davis Creek (town) on CA 11 1585.0 Comment
  CAS-BOT-BC245571  Penstemon roezlii Milo Samuel Baker 1893-7-18 s.n. Modoc unspecified Comment
  NY650096  Penstemon roezlii M. J. Williams 1984-6-28 8468- 1 Modoc Warner Mountains, Stowe Reservoir area, west of Soldier Creek Road 2103.1 Comment
  NY650113  Penstemon roezlii F. W. Pennell 1940-6-7 25734 Modoc Upper valley of Rush Creek, northeast of Adin 1585.0 Comment
  RSA101673  Penstemon roezlii L. S. Rose 1940-6-13 40562 Modoc Cedar Pass. 2119 Comment
  UC190613  Penstemon roezlii M. F. Gilman 672 Modoc Warner Mts. 1828 Comment
  OBI26238  Penstemon rostriflorus William Baker 1973-7-6 s.n. Modoc 3/4 mi above Barney Lake Comment
  CAS-BOT-BC245490  Penstemon rydbergii var. oreocharis Annie Montague Alexander; L. Kellogg 1946-6-30 4874 Modoc Highgrade, W side ridge, N end of Warner Mountains 2377 Comment
  CAS-BOT-BC245494  Penstemon rydbergii var. oreocharis Annie Montague Alexander; L. Kellogg 1946-6-14 4749 Modoc Silver Creek branch of Patterson Mill road. 1828 Comment
  CAS-BOT-BC245495  Penstemon rydbergii var. oreocharis Bruce Bartholomew; Barrett Anderson 1989-6-3 4855 Modoc Crowder Flat Road at Fletcher Creek. 1550 Comment
  CAS-BOT-BC245497  Penstemon rydbergii var. oreocharis David Daniels Keck; Jens Chr. Clausen 1935-6-24 3722 Modoc 1.5 mi. N of Davis Creek. 1524 Comment
  CAS-BOT-BC245500  Penstemon rydbergii var. oreocharis K. Paulson; Robert Paulson 1989-7-4 171 Modoc Ca. 1 mi. S of Patterson Ranger Station, S end of Warner Mts. 2121 Comment
  CAS-BOT-BC245504  Penstemon rydbergii var. oreocharis Bruce Bartholomew 1991-7-4 5910 Modoc Roney Flat. 1460 Comment
  CAS-BOT-BC245505  Penstemon rydbergii var. oreocharis Roxana Stinchfield Ferris; R. Duthie 1919-6-14 145 Modoc Parker Creek at Modoc Nat. Forest Boundary. Comment
  CAS-BOT-BC245507  Penstemon rydbergii var. oreocharis Bruce Bartholomew; Barrett Anderson 1989-6-3 4871 Modoc Boles Creek, ca. 5.5 km E of the SE corner of Clear Lake Reservoir. 1430 Comment
  CHSC85119  Penstemon rydbergii var. oreocharis John Dittes; Josephine Guardino 1991-7-21 420 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
  SEINET8512821 Image available Penstemon rydbergii var. oreocharis Noel H. Holmgren, P. K. Holmgren 2014-6-13 16550 Modoc Warner Mountains, Plum Valley Road 5.1 km (3.2 miles) road distance southeast US HWY 395 (in the small town of Davis Creek) 1708 Comment
  UC102983  Penstemon rydbergii var. oreocharis R. M. Austin Aug. 1894 300 Modoc Davis Creek Comment
  UC102984  Penstemon rydbergii var. oreocharis Mrs. R. M. Austin 1894-1 180 Modoc Goose Lake Valley Comment
  CAS-BOT-BC245488  Penstemon rydbergii var. oreocharis R. M. Austin 1898-7-1 2358 Modoc Fields. Comment
  SBBG27139  Penstemon rydbergii var. oreocharis C. L. Hitchcock 1940-5-28 6726 Modoc 15 mi N of Alturas 1402 Comment
  CAS-BOT-BC245549  Penstemon speciosus Mrs. H. C. Cantelow 1940-6-1 s.n. Modoc 12.5 mi. E of Alturas, road to Warner Mts. Comment
  CAS-BOT-BC245556  Penstemon speciosus Alice Eastwood; John Thomas Howell 1940-6-12 8094 Modoc Jess Valley. Comment
  HSC80745  Penstemon speciosus G. M. Riegel 1980-8-20 1087 Modoc S Warner Mtns. Comment
  UC887337  Penstemon speciosus C. L. Hitchcock 1940-5-27 6666 Modoc 15 mi ne Alturas (on sagebrush knoll); ne of Alturas 1615 Comment
  UC748153  Penstemon sudans Annie M. Alexander and Louise Kellogg 1946-6-18 4804 Modoc at base of lava bluff facing Lower Lake; bluff facing Lower Lake Comment
  UC726024  Peraphyllum ramosissimum A. A. Heller 1938-6-24 15228 Modoc about midway between Canby and Alturas Comment
  SEINET11908932  Peraphyllum ramosissimum J. Vale, Wagon, K.; Knight, W.; Knight, I. 1981-1 4123 Modoc at Devils Garden on Crowder Flat Rd, near Alturas 1707 Comment
  CAS-BOT-BC15709  Perideridia bolanderi subsp. bolanderi Barrett Anderson 1986-7-9 3148 Modoc Crowder Flat Rd, 3.2 km off Hwy 299. 1510 Comment
  HSC21603  Perideridia gairdneri subsp. gairdneri M. T. Milligan 1966-8-3 625 Modoc W slope of Eagle Peak 2439 Comment
  RSA32026  Perideridia oregana A. A. Heller 1941-6-25 16208 Modoc On the plateau south of Big Sage Reservoir northwest of Alturas Comment
  UC1389987  Perideridia oregana T. I. Chuang and R. S. Mitchell 1966-7-19 6055 Modoc 19 mi nw Davis Creek (w side of lake); Goose Lake Comment
  UC1389996  Perideridia oregana T. I. Chuang and F. Gleason 1963-8-23 5926 Modoc about 5 mi w Alturas Comment
  JEPS127289  Persicaria lapathifolia Lowell Ahart, John Dittes 2016-7-14 21189 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
  JEPS124309  Phacelia egena Lowell Ahart, John Dittes 2015-7-15 20339 Modoc Ash Creek State Wildlife Area about 3.9 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber Big Valley. Comment
  CAS-BOT-BC179276  Phacelia glandulifera Bruce Bartholomew 1991-5-24 5715 Modoc Surprise Valley, 7.7 km NE of County Rd. 37 on County Rd. 38, at the Nevada State boundary. 1370 Comment
  JEPS2094  Phacelia glandulifera J. G. Lemmon June, 1879 Modoc and near Susanville Surprise Valley Comment
  CDA40422  Phacelia hastata J. T. Howell 1934-6-16 12217 Modoc Two miles northeast of Canby. 0 Comment
  CAS-BOT-BC179259  Phacelia hastata subsp. hastata Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10514 Modoc Patterson Ranger Station (East Creek drainage). 2164 Comment
  CAS-BOT-BC180021  Phacelia heterophylla subsp. virgata John Thomas Howell 1934-6-13 12061 Modoc Fandango Pass. 1828 Comment
  POM73456  Phacelia heterophylla subsp. virgata Mrs. R. M. Austin 547 Modoc Goose Lake Valley Comment
  RSA427984  Phacelia heterophylla subsp. virgata Christopher Davidson 1975-6-4 2594 Modoc 0.4 mile east of Highway 395 on Highway 299 toward Cedarville. Fenced pasture on south side of road. 1380 Comment
  UC726920  Phacelia heterophylla subsp. virgata A. A. Heller 1941-6-26 16223 Modoc along US Hwy 299 4 mi w Canby Comment
  UC671870  Phacelia humilis John Thomas Howell 1934-6-13 12062 Modoc Fandango Pass Warner Mts. 1828 Comment
  UC748441  Phacelia humilis Annie M. Alexander and Louise Kellogg 1946-7-18 5012 Modoc Benton Meadow Warner Mountains 2072 Comment
  UC133086  Phacelia humilis Mrs. R. M. Austin July 1885 Modoc hills Comment
  CAS-BOT-BC180002  Phacelia humilis var. humilis Barrett Anderson 1986-7-9 3163 Modoc Stough Reservoir Rd just E of Cedar Pass near Stough Reservoir. 1965 Comment
  RSA152451  Phacelia humilis var. humilis I. L. Wiggins, Dorothy Wiggins 1961-6-12 16416 Modoc Near summit of Cedar Pass, between Alturas and Cedarville. 1936 Comment
  CHSC67114  Phacelia inundata James D. Jokerst 1987-5-13 2859 Modoc Radar Survey Site S of Doublehead Mtn., S of Clear Lake Reservoir, dry lake W and adjacent to N end of central sector. 1353 Comment
  NY1055162  Phacelia inundata B. M. Bartholomew 1995-5-13 6910 Modoc 4.8 km west of Eagleville, east side of the south end of Surprise Valley 1480 Comment
  CAS-BOT-BC179957  Phacelia linearis Bruce Bartholomew; Barrett Anderson 1989-6-2 4779 Modoc Top of Fandango pass, Warner Mountains. 1870 Comment
  CHSC31502  Phacelia linearis NEH Prouty 1980-6-7 182 Modoc Modoc Nat. Forest, Warner Mt. District. Along north side of Deep Creek Road. SW of Cedarville. Comment
  SD131873  Phacelia linearis Barbara Ertter 1988-6-18 7621 Modoc Highway 139, ca. 50 airmiles southwest of Klamath Falls, a few miles north of Agricd. Inspection Station, 1.0 mile south of S. jct. to Lava Beds National Monument east of Tonesta. 1310 Comment
  UC526140  Phacelia linearis John Thomas Howell 1934-6-13 12081 Modoc Fandango Pass Warner Mts. 1828 Comment
  UC932005  Phacelia linearis Verne Grant and Alva Grant 1947-7-13 8017 Modoc Fandango Pass Warner Mountains Comment
  CAS-BOT-BC179955  Phacelia linearis Milo Samuel Baker 1893-7-5 Modoc Lava beds. Comment
  POM260899  Phacelia linearis Alice Eastwood, J. T. Howell 1940-6-14 8251 Modoc Between Mammoth Cave and Lava Beds National Monument. Comment
  CAS-BOT-BC179919  Phacelia tetramera Bruce Bartholomew 1991-5-24 5691 Modoc Surprise Valley, 5.1 km E of Eagleville. 1370 Comment
  RSA502344  Phacelia thermalis D. W. Taylor, R. A. Price 1988-6-4 9761 Modoc Tule Lake Basin; Dobie Flat, ca. 2.6 miles south 10 degrees east of Casuse Mountain. 1280 Comment
  CHSC113064  Phalaris arundinacea Lowell Ahart; John Dittes 2013-7-24 18925 Modoc On the north side of the levee road, north side of Ash Creek Floodplain, 0.54 mile (air) southeast of Pilot Butte Parking Area, 1.1 miles (air) south of County Road 87, 6.8 miles (air) west of Adin, Big Valley. 1262 Comment
  UCD88512  Phalaris arundinacea G. F. Hrusa; T. D. Wilfred 1996-7-21 13322 Modoc Adjacent to Pit River at Modoc Co. Rd. 90 bridge. E base of Splawn Mountain. N end of Big Valley. 1500 Comment
  CAS-BOT-BC247552  Phleum alpinum Elmer Ivan Applegate 1932-8-3 8141 Modoc W slope of Eagle Peak. Comment
  UCD89310  Phleum alpinum August L. Hormay 1932-7-17 s.n. Modoc Lily Lake. Comment
  UCR34688  Phleum alpinum J. A. Harpel 1981-8-6 V- 14 Modoc Warner Mtns, South Warner Wilderness Area: E end of Patterson Lake, 7 mi NW of Eagleville 2744 Comment
  HSC75902  Phlox diffusa D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-22 19312 Modoc Soup Springs Campground Comment
  UC71717  Phlox diffusa Mrs. M. H. Manning 1903-8-27 103 Modoc Mt. Bidwell, ne Modoc County Mt. Bidwell Comment
  UCR66592  Phlox douglasii subsp. rigida Christopher Davidson 1975-6-4 2604 Modoc Hwy 299 (toward Cedarville), 2.2 mi. east of hwy 395 1500 Comment
  UC1075747  Phlox gracilis Robert J. Weatherby 1955-7-8 1615 Modoc 7 mi n Ft. Bidwell (n Warner Mts.); Warner Mts. 1874 Comment
  UC23588  Phlox gracilis Mrs. C. C. Bruce Jun 1898 2199 Modoc Goose Lake valley Comment
  UC71715  Phlox gracilis Mrs. M. H. Manning Apr 1903 64 Modoc near Fort Bidwell (ne Modoc County) Comment
  CDA40288  Phlox gracilis T. C. Fuller 1961-5-17 6955 Modoc Between the railroad and Highway 395, 1 mile northwest of Alturas. 0 Comment
  HSC26501  Phlox hoodii subsp. canescens J. P. Smith, J. O. Sawyer 1972-5-6 5253 Modoc County Rd. 86, just E of Adin. 1098 Comment
  HSC17189  Phlox hoodii subsp. lanata M. T. Milligan 1964-4-25 Modoc S of Lower Cummings Reservoir Comment
  POM260879  Phlox hoodii subsp. lanata Alice Eastwood, J. T. Howell 1940-6-14 8239 Modoc Between Mammoth Cave and Lava Beds National Monument. Comment
  RSA59854  Phlox hoodii subsp. lanata E. K. Balls 1950-5-15 14700 Modoc 6 miles SW of Dry Lake Ranger Station, along railroad. 1280 Comment
  RSA488572  Phlox longifolia Bruce Bartholomew, B. Anderson 1988-5-14 4189 Modoc 7 km S of turn off to Crowder Flats along W side Road, W side of Goose Lake, 1410 Comment
  RSA469949  Phlox longifolia subsp. brevifolia J. P. Smith, J. O. Sawyer 1972-5-6 5269 Modoc Along State Route 299; 4 miles west of Modoc Co. Road 58 east of Alturas. 1494 Comment
  RSA59968  Phlox stansburyi E. K. Balls 1950-5-13 14686 Modoc 14 miles south of Oregon - California state line, along the west shore road, Goose Lake 1494 Comment
  UC449765  Phlox stansburyi Mrs. M. H. Manning 1907-4-23 713 Modoc e side Warner Range; , Warner Valley Mts. Comment
  CAS-BOT-BC58581  Phoenicaulis cheiranthoides Elmer Ivan Applegate 1932-7-9 7592 Modoc N slope of Bidwell Mountain, Warner Mts. Comment
  JEPS54275  Phoenicaulis cheiranthoides L. S. Smith 1917-6-2 784 Modoc Warner Mountains, Jess Valley Jess Valley; Warner Mountains, Jess Valley 1371 Comment
  POM260187  Phoenicaulis cheiranthoides C. L. Hitchcock 1940-5-27 6673 Modoc 15 miles northeast of Alturas. 1616 Comment
  UC748068  Phoenicaulis cheiranthoides Annie M. Alexander and Louise Kellogg 1946-6-26 4834 Modoc Dismal Swamp, n end of Warner Mountains Dismal Swamp; Warner Mountains, Dismal Swamp 2255 Comment
  POM94707  Phoenicaulis cheiranthoides Mrs. R. M. Austin 1895-05 8 Modoc Goose Lake Valley Comment
  CAS-BOT-BC58639  Physaria occidentalis Leland S. Smith 1917-7-2 67 Modoc Warren Mt. 2685 Comment
  JEPS46792  Pinus albicaulis W. L. Jepson 1918-8-7 7904 Modoc Mt. Bidwell 2468 Comment
  UCSB31430  Pinus albicaulis Haller, John 1978-7-19 Modoc Summit ridge of Warner Mountains, 1 km. north of the Likely-Eagleville Road 2377 Comment
  RSA176212  Pinus attenuata C. O. Stone 1963-12-26 277 Modoc In rockland on recent lava flow ca. 1 1/2 miles S of Gassaway Reservoir. 1098 Comment
  UC1612282  Pinus contorta subsp. murrayana W. P. Taylor and H. C. Bryant 1910-7-8 Modoc Head of Shields Creek Warner Mts., Head of Shields Creek 2590 Comment
  UCR78710  Pinus contorta var. murrayana David A. Charlet 1993-8-18 573 Modoc Warner Mtns., 2.8 km north of Eagle Peak 2744 Comment
  NY61944  Pinus monticola F. M. Ownbey 1940-7-1 2153 Modoc This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. 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
  UC1483829  Piperia unalascensis G. Schoolcraft 1980-7-22 324 Modoc w of Lake City (about halfway up Lake City Canyon); Lake City Canyon 1889 Comment
  CHSC100232  Plagiobothrys cognatus John Dittes; Josephine Guardino 1991-6-1 361 Modoc Modoc Plateau; Big Valley; Ash Creek Wildlife Area; ca. 7.7 air-miles northeast of Bieber, ca. 4.0 air-miles west by southwest of Adin, ca. 5.0 air-mile east by southeast of Pilot Butte Summit, ca. 0.6 mile east of Walters Road and Owl Barn. 1271 Comment
  UC748449  Plagiobothrys hispidulus Annie M. Alexander and Louise Kellogg 1946-7-6 4914 Modoc in wash 3.5 mi e Eagleville Comment
  CAS-BOT-BC58789  Plagiobothrys hispidus John Thomas Howell 1934-6-13 12067 Modoc Fandango Pass. 1828 Comment
  JEPS90163  Plagiobothrys hispidus Dean Wm. Taylor with Glenn L. Clifton 1989-8-5 10466 Modoc Warner Mountains, s base of Eagle Peak Eagle Peak; Warner Mountains, Eagle Peak 2865 Comment
  CHSC85131  Plagiobothrys leptocladus John Dittes; Josephine Guardino 1991-7-21 413 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
  RSA0118718  Plagiobothrys leptocladus L. P. Janeway, B. Castro 2014-6-3 11321 Modoc Great Basin. Big Mud Lake, near the northwest edge. 1637 Comment
  UC726225  Plagiobothrys leptocladus A. A. Heller 1941-6-26 16217 Modoc in a roadside depression 3 mi e Canby Comment
  POM312624  Plagiobothrys mollis H. L. Mason 1947-8-9 13475 Modoc East side of Fairchild Swamp, north of Alturas Comment
  UC1191652  Plagiobothrys mollis Herbert L. Mason, Verne Grant 1947-7-12 13395 Modoc irrigation ditch by Jones' Lane (off Highway 395, several mi s of Alturas) Comment
  UCD120859  Plagiobothrys mollis Herbert L. Mason; Verne Grant 1947-7-12 13395 Modoc By Jones' Lane, off Highway 395, several miles south of Alturas. Comment
  CDA40673  Plagiobothrys mollis T. C. Fuller 1965-6-2 13601 Modoc West side of Dorris Reservoir, 2 miles east of Alturas. 0 Comment
  CAS-BOT-BC58799  Plagiobothrys mollis var. mollis John Thomas Howell 1934-6-15 12197 Modoc Dorris Reservoir, 2 mi. E of Alturas. Comment
  CHSC66294  Plagiobothrys mollis var. mollis Vernon H. Oswald 1996-6-27 7903 Modoc Modoc Plateau. Dorris Reservoir, Modoc National Wildlife Refuge, ca. 3 mi E of Alturas. 1335 Comment
  CAS-BOT-BC58733  Plagiobothrys scouleri Herbert Louis Mason; Verne Grant 1947-7-12 13415 Modoc Pit River Valley, S of Alturas. Comment
  CAS-BOT-BC58734  Plagiobothrys scouleri Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10559 Modoc Patterson Ranger Station (East Creek drainage). 2164 Comment
  CAS-BOT-BC58737  Plagiobothrys scouleri John Thomas Howell 1934-6-15 12192 Modoc Dorris Reservoir, 2 mi. E of Alturas. Comment
  CAS-BOT-BC58738  Plagiobothrys scouleri John Thomas Howell 1934-6-12 12034 Modoc Plum Valley, Warner Mountains Comment
  CAS-BOT-BC58755  Plagiobothrys scouleri Robert Folger Thorne; J. Henrickson; C. W. Tilforth 1969-9-4 39104 Modoc N Fork of Pit River 3.4 mi N of Alturas where crossed by Hwy 395. 1341 Comment
  CAS-BOT-BC58763  Plagiobothrys scouleri Alice Eastwood; John Thomas Howell 1940-6-13 8132 Modoc W side of Fandango Pass. Comment
  RSA495518  Plagiobothrys scouleri Elaine Joyal, D. Mehlman 1988-6-27 1287 Modoc Warner Mts., Jess Valley. 1500 Comment
  RSA165581  Plagiobothrys scouleri var. hispidulus Clare B. Hardham 1961-6-17 s.n. Modoc Cedar Pass Camp Ground, Warner Mountains Comment
  POM261461  Plagiobothrys scouleri var. hispidulus Alice Eastwood, John Thomas Howell 1940-6-12 8078 Modoc Between Likely and Jess Valley. Comment
  CAS-BOT-BC58764  Plagiobothrys stipitatus var. micranthus Herbert Louis Mason; Verne Grant 1947-7-12 13410 Modoc W side of Pit River Valley, S of Alturas. Comment
  CAS-BOT-BC58766  Plagiobothrys stipitatus var. micranthus Herbert Louis Mason; Verne Grant 1947-7-12 13410 Modoc W side of Pit River Valley, S of Alturas. Comment
  CAS-BOT-BC58767  Plagiobothrys stipitatus var. micranthus Herbert Louis Mason; Verne Grant 1947-7-12 13410 Modoc W side of Pit River Valley, S of Alturas. Comment
  CAS-BOT-BC58770  Plagiobothrys tenellus James D. Jokerst 1983-5-31 1806 Modoc Near Signal Butte. 1340 Comment
  UC280352  Plagiobothrys tenellus Milo S. Baker 1896-5-20 75 Modoc Big Val-Johnson's Comment
  HSC65541  Plantago major Thomas Wood 1979-8-8 208 Modoc 1 mi. S of Ft. Bidwell along Hwy. 1, corner house where road turns W 1372 Comment
  CAS-BOT-BC242215  Platanthera dilatata var. leucostachys Bruce Bartholomew; Barrett Anderson 1988-7-21 4445 Modoc Field redacted by CAS, contact the data manager for more information 1580 Comment
  CAS-BOT-BC242217  Platanthera dilatata var. leucostachys R. M. Austin 1895-7-1 488 Modoc Field redacted by CAS, contact the data manager for more information Comment
  CDA35645  Platanthera leucostachys J. R. Keck Jr. 1985-7-11 PDR# 330134 Modoc Davis Creek, Modoc National Forest. Comment
  SEINET5102917  Platanthera stricta Unknown Modoc Comment
  UC1586959  Plectritis Juha Pykala and D. H. Norris 1987-5-27 1009 Modoc Modoc National Forest, Lower Rush Creek Campground Lower Rush Creek Campground; Modoc National Forest, Lower Rush Creek Campground 1430 Comment
  CAS-BOT-BC245393  Plectritis macrocera F. Angwin 1946-4-13 s.n. Modoc Big Valley near Adin. 1280 Comment
  JEPS127578  Plectritis macrocera L. P. Janeway 2016-5-16 11984 Modoc Modoc Plateau. Devils Garden area; along Road 47N07 1.8 road-km of Road 181/73/47N09. McGinty Reservoir 7.5' Quad. Comment
  UC912461  Plectritis macrocera F. H. Frost 1925-5-24 3 Modoc Steamboat Canyon Comment
  JEPS26657  Plectritis macrocera Lauramay T. Dempster 1961-6-19 1708 Modoc middle fork Davis Creek, e of Davis Creek (town) Davis Creek 1645 Comment
  RSA59874  Plectritis macrocera subsp. grayi E. K. Balls 1950-5-10 14605 Modoc Menlo Baths, west shore Lower Lake. 1448 Comment
  CAS-BOT-BC247624  Poa X limosa John Thomas Howell 1934-7-1 12338 Modoc Duncan Horse Camp. 1355 Comment
  UCD90686  Poa bulbosa M. V. Maxwell 1930-1 s.n. Modoc Adin. Comment
  RSA534589  Poa nervosa Bruce Bartholomew 1990-7-20 5464 Modoc 4 km N of Buck Creek Ranger Station at turn off to Del Prat Spring, W side of Warner Mts. 1900 Comment
  SBBG672  Poa pratensis A. A. Beetle 1941-6-29 2822 Modoc 15 mi E of Alturas, rd to Cedarville Pass 1371 Comment
  UCD91909  Poa pratensis Verne Grant; Irving Schneider 1947-7-22 8151 Modoc Headwaters of North Fork of Pit River, 1 mile northwest of Highway 395; on dirt road leading to south end of Goose Lake. Comment
  CAS-BOT-BC247613  Poa pratensis subsp. pratensis Bruce Bartholomew 1989-8-11 5099 Modoc Vicinity of Patterson Ranger Station, S end of Warner Mountains. 2160 Comment
  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
  JEPS74049  Poa pratensis subsp. pratensis Frances D. Payne 1932-7-18 702 Modoc s and e Alturas (Parker Creek); Warner Mts 1584 Comment
  UC1024903  Poa pratensis subsp. pratensis Leo Whitney 1935-5-21 3112 b Modoc ca 15 mi nw Canby (Lake Joaquina, Hackamore); Modoc Nat'l Forest 1463 Comment
  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
  UC1100380  Poa secunda subsp. juncifolia Herbert L. Mason, Malcolm A. Nobs, and S. Galen Smith 1949-5-29 765 Modoc 2 mi e Adin Comment
  UCD92431  Poa secunda subsp. juncifolia L. Whitney 1935-5-26 3157 Modoc Ash Creek, 10 miles E of Adin. Comment
  UCD92437  Poa secunda subsp. juncifolia E. Wilson 1935-5-14 s.n. Modoc W side of pass toward Alturas. Comment
  CAS-BOT-BC247662  Poa secunda subsp. secunda John Thomas Howell 1934-7-1 12341 Modoc Duncan Horse Camp. 1355 Comment
  JEPS70660  Poa secunda subsp. secunda L. S. Smith 1917-7-2 56 Modoc head of Shields Creek; Warner Mts 2331 Comment
  UC1024878  Poa secunda subsp. secunda Leo Whitney 1935-5-29 3146 Modoc ca 18 mi wnw Canby (Hole-in-the-rock, U.S.B.E. Plot) Comment
  UCD90722  Poa secunda subsp. secunda J. E. Coke 1932-11-1 s.n. Modoc Modoc County. Comment
  CAS-BOT-BC252521  Poa wheeleri Bruce Bartholomew; Barrett Anderson 1990-7-20 5544 Modoc N edge of Howard Flat, W side of Warner Mts. 2000 Comment
  SEINET4853913  Pogogyne floribunda Louis C. Wheeler 1935-8-25 76793 Modoc Modoc NF: Rim Rock Valley, Devil's Garden. 1524 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-BC197858  Polemonium micranthum Bruce Bartholomew 1994-5-14 6687 Modoc 5.1 km SE of Burlington Railroad Northern railroad track on road between Egg Lake and Lookout. 1400 Comment
  CHSC85180  Polemonium micranthum John Dittes; Josephine Guardino 1991-6-1 358 Modoc Modoc Plateau; Big Valley; Ash Creek Wildlife Area; ca. 7.7 air-miles northeast of Bieber, ca. 4.0 air-miles west by southwest of Adin, ca. 5.0 air-mile east by southeast of Pilot Butte summit, ca. 0.6 mile east of Walters Road and Owl Barn; meadow at southern edge of Ash Creek Floodplain. 1271 Comment
  CAS-BOT-BC231285  Polemonium pulcherrimum Alexander; Kellogg No date on label 5106 Modoc Eagle Rock Comment
  CAS-BOT-BC58323  Polyctenium fremontii var. fremontii Alice Eastwood; John Thomas Howell 1940-6-15 8275 Modoc Near Perez. Comment
  UC1060642  Polygonum Herbert L. Mason 1955-8-14 14655 Modoc n of Rim Rock Valley Reservoir (Frift Fence Reservoir); Frift Fence Reservoir Comment
  UC1192331  Polygonum amphibium var. emersum Verne Grant and Irving Schneider 1947-8-27 8326 Modoc Clear Lake; embayment on s end Comment
  CHSC52636  Polygonum aviculare James Jokerst 1983-7-27 1908 Modoc Near Signal Butte. 1340 Comment
  POM312903  Polygonum aviculare Verne Grant, Irving Schneider 1947-7-18 8043 Modoc E side Canal, 5 miles N of Bayley's bridge, S of Alturas. Comment
  RSA0049649  Polygonum aviculare subsp. buxiforme Dean Wm. Taylor 2012-7-18 21280 Modoc Windmill Flat (tributary Juniper Creek, Pit River watershed, 11 miles S of Adin) 1706 Comment
  UC6665  Polygonum bistortoides Milo S. Baker Jun 19 1893-Jul 8 1893 Modoc Comment
  CAS-BOT-BC218122  Polygonum douglasii Bruce Bartholomew 1991-8-5 6038 Modoc Squaw Peak Trail on N side of Squaw Peak, E side of Warner Mts. 2420 Comment
  CAS-BOT-BC218128  Polygonum douglasii Bruce Bartholomew; Barrett Anderson 1989-6-2 4780 Modoc Top of Fandango pass, Warner Mountains. 1870 Comment
  CAS-BOT-BC218130  Polygonum douglasii Bruce Bartholomew; Barrett Anderson 1988-7-21 4409 Modoc Whitehorse Mts., 11 km N of Day on the road to Whitehorse Flat Reservoir. 1340 Comment
  CAS-BOT-BC218134  Polygonum douglasii Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16390 Modoc 5 mi. E of Calif. St. Highway 299 along Cedar Pass road. Comment
  CAS-BOT-BC218137  Polygonum douglasii Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10536 Modoc Patterson Ranger Station (East Creek drainage). Modoc National Forest. Warner Mountains 2164 Comment
  CAS-BOT-BC218140  Polygonum douglasii Alice Eastwood; John Thomas Howell 1914-6-14 8223 A Modoc 8 mi. NW of Canby. Comment
  CAS-BOT-BC218144  Polygonum douglasii John Thomas Howell 1934-7-1 12317 Modoc Duncan Horse Camp. 1355 Comment
  RSA516810  Polygonum douglasii Bruce Bartholomew 1988-6-25 4398 Modoc Ryan Canyon, N of Adin, Juniper shrub savanna. 1390 Comment
  UC526135  Polygonum douglasii subsp. spergulariiforme John Thomas Howell 1934-7-1 12326 Modoc Duncan Horse Camp Comment
  CAS-BOT-BC218160  Polygonum polygaloides Bruce Bartholomew 1991-6-23 5883 Modoc 7.4 km NE of Crowder Flat Road on road between Dorris Brothers Reservoir and Cow Head Tank. 1520 Comment
  CAS-BOT-BC218164  Polygonum polygaloides Bruce Bartholomew; Barrett Anderson 1989-6-3 4851 Modoc 6.4 km N of State Hwy 299 on Crowder Flat Road and ca. 5.5 km S of Big Sage Reservoir. 1550 Comment
  JEPS98240  Polygonum polygaloides subsp. confertiflorum R. E. Preston 2000-7-17 1388 Modoc 11 mi NW of Canby (N side of Hwy 139, 2.3 mi e of FSR 44N11) 1490 Comment
  JEPS98243  Polygonum polygaloides subsp. confertiflorum R. E. Preston 2000-7-18 1406 Modoc 13 mi NW of Canby (along s side of Hwy 139; ca 500 ft e of FSR 44N11) 1481 Comment
  POM260895  Polygonum polygaloides subsp. confertiflorum Alice Eastwood, John T. Howell 1940-6-14 8210 Modoc 8 miles NW of Canby Comment
  JEPS50549  Polygonum polygaloides subsp. confertiflorum Milo S. Baker 1893-6-28 Modoc in Modoc County Modoc County 1371 Comment
  UC1060639  Polygonum polygaloides subsp. confertiflorum Herbert L. Mason 1957-7-6 14724 Modoc vernal pool near Plum Creek Camp Ground Comment
  CAS-BOT-BC218175  Polygonum polygaloides subsp. esotericum Bruce Bartholomew 1995-6-4 6966 Modoc 6.3 km NW of Country Road 91 on County Road 93 between Lookout and Egg Lake. 1260 Comment
  CAS-BOT-BC218177  Polygonum polygaloides subsp. esotericum Alice Eastwood; John Thomas Howell 1940-6-14 8228 Modoc 8 mi. NW of Canby. Comment
  JEPS98247  Polygonum polygaloides subsp. esotericum R. E. Preston 2000-7-19 1420 Modoc 8 mi NW of Canby (on N side of Hwy 139; ca 0.9 mi w of FSR 46N10) 1508 Comment
  RSA602681  Polygonum polygaloides subsp. esotericum Louis C. Wheeler 1935-8-16 3867 Modoc Warner Mountains: Dismal Swamp, Twenty Mile Creek. 2226 Comment
  UCD77934  Polygonum polygaloides subsp. esotericum Robert E. Preston 2000-7-18 1408 Modoc Ca. 13 mi nw of Canby, along n side of Hwy 139, 500 ft w of Forest Service Rd 44N11. 1478 Comment
  CAS-BOT-BC218185  Polygonum polygaloides subsp. kelloggii Alice Eastwood; John Thomas Howell 1940-6-14 8228 A 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
  CAS-BOT-BC218192  Polygonum polygaloides subsp. kelloggii Peter Hamilton Raven; Otto Thomas Solbrig 1958-6-18 13318 Modoc 8.8 mi. S of Happy Camp Guard Station. Comment
  UC6708  Polygonum polygaloides subsp. kelloggii M. S. Baker and Frank Nutting 1894-6-8 Modoc Egg Lake Comment
  HSC81000  Polygonum polygaloides subsp. kelloggii G. M. Riegel 1980-8-11 1031 Modoc S Warner Mtns. 2100 Comment
  JEPS78243  Polygonum polygaloides subsp. kelloggii L. R. Heckard with T. I. Chuang and R. C. Bacigalupi 1978-7-19 4890 Modoc about 3 mi sw Patterson Ranger Station (just n of Lassen Co. line); Warner Mts. 2011 Comment
  CDA22795  Polygonum spergulariiforme G. D. Barbe 1991-8-28 4445 Modoc Kelley Spring, 3.4 miles (5.5 km) from Highway 299 at Rush Creek, on Primary Forest Service Road 22 and Road 40N33, Modoc National Forest. Comment
  CHSC30495  Polypogon monspeliensis N. E. H. Prouty 1980-5-21 163 Modoc Ca. 7 1/2 roadmiles south of Eagleville. East side of Hwy 81, by edge of hot spring. Comment
  UCD91357  Polypogon monspeliensis Malcolm A. Nobs; S. Galen Smith 1949-7-20 1052 Modoc 4 miles west of Adin. Comment
  UCD91407  Polypogon monspeliensis L. Whitney 1935-7-17 3514 Modoc Modoc National Forest. Lake Joaquina, Hackamore, ca. 15 miles NW of Canby 1463 Comment
  NY177829  Populus tremuloides L. C. Wheeler 1935-9-30 4017 Modoc Back Tuttle Place Devil's Garden 1524.0 Comment
  CAS-BOT-BC225109  Populus trichocarpa Edward Kent Balls 1950-5-11 14610 Modoc West off Middle Lake, between Eagleville and Cedarville. 1432 Comment
  JEPS6727  Porterella carnosula Annie M. Alexander and Louise Kellogg 1946-7-11 4975 Modoc mesa w Eight Mile Creek (ne corner of county); mesa w <of> Eight Mile Creek Comment
  SEINET10939151  Porterella carnosula Whitney 1934-5-5 WHITNEY 1691 Modoc Dry stream bed near Hackamore, ca 15 miles northwest of Canby, Modoc National Forest 1463 Comment
  POM313002  Potamogeton epihydrus H. L. Mason, Verne Grant 1947-7-12 13397 Modoc Irrigation ditch by Jones Lane, off Hwy 395, several miles S of Alturas. 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
  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-BC242236  Potamogeton natans Milo Samuel Baker 1899-8-12 s.n. Modoc Egg Lake. Comment
  UC1100064  Potamogeton nodosus Verne Grant, Irving Schneider 1947-7-21 8124 Modoc North Fork of Pit River (by bridge on Highway 395, n of Alturas) Comment
  CHSC99517  Potamogeton pectinatus Lowell Ahart; John Dittes 2008-6-21 15005 Modoc In shallow water 6-8 inches deep, along a deep natural drainage, about 30 yards west of the levee, mountain meadow, in Big Valley, about 3.6 miles (air) northeast of the Headquarters at Ash Creek State Wildlife Area, about 6.4 miles (air) northeast of Bieber. 1269 Comment
  UC1100036  Potamogeton pusillus var. pusillus Verne Grant, Irving Schneider 1947-7-19 8069 Modoc s of Alturas (s of south loop road); Corporation Ranch Comment
  RSA252494  Potamogeton richardsonii Robert F. Thorne, C. W. Tilforth 1969-9-5 39179 Modoc In rapidly flowing South Fork of Pit River at bridge 3.8 miles east of Likely. 1387 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
  JEPS44297  Potentilla biennis Milo S. Baker 1893-6-13 Modoc Lava Beds of Egg Lake Comment
  SEINET13170136 Image available Potentilla bruceae Annie M. Alexander 1946-6-30 4872 Modoc High grade, West side of ridge, north end of Warner Mountains 2377 Comment
  RSA520455  Potentilla fruticosa K. Paulson 1990-7-2 212 Modoc Dismal Swamp, Warner Mts. 2195 Comment
  JEPS47203  Potentilla fruticosa Frances D. Payne 1931-6-22 300 Modoc southeastern slopes Mt. Warren (Owl Creek, Warner Mountains); Warner Mountains, se slopes Mt. Warren, Owl Creek 2133 Comment
  SJSU9570  Potentilla gracilis W. Savage 1979-7-3 1318 Modoc Triangle, Antelope Plains Unit,Devils Garden District, Modoc National Forest 1493 Comment
  UC1191495  Potentilla gracilis var. fastigiata Verne Grant, Irving Schneider 1947-7-19 8073 Modoc Williams Ranch: along Southern Pacific right-of-way near East Canal, in Pit Valley south Alturas. Comment
  UC545656  Potentilla gracilis var. fastigiata John Thomas Howell 1934-6-12 12029 Modoc Plum Valley Warner Mts., Plum Valley Comment
  CAS-BOT-BC143312  Potentilla newberryi Verne Grant; Irving Schneider 1947-8-27 8313 Modoc Southwest end of Clear Lake Comment
  UC1191496  Potentilla rivalis Herbert L. Mason, Verne Grant 1947-7-12 13404 Modoc Irrigation ditch by Jones' Lane off Highway 395 several mi s Alturas; s of Alturas Comment
  UC1540172  Potentilla rivalis Dean W. Taylor 1987-8-9 9283 Modoc Northeastern California 1371 Comment
  CHSC85141  Poteridium annuum John Dittes; Josephine Guardino 1991-7-21 396 Modoc Modoc Plateau; Big Valley; Ash Creek Wildlife Area; ca. 7.7 air-miles northeast of Bieber, ca. 4.0 air-miles west by southwest of Adin, ca. 5.0 air-mile east by southeast of Pilot Butte summit, ca. 0.6 mile east of Walters Road and Owl Barn; meadow at southern edge of Ash Creek Floodplain. 1271 Comment
  RSA488044  Prunus andersonii Bruce Bartholomew, B. Anderson 1988-5-13 4140 Modoc N side of Dorris Reservoir, ca. 4 km E of Alturas along Parker Creek Road. 1340 Comment
  UC71596  Prunus emarginata Mrs. M. H. Manning 1903-9-15 7 Modoc near Fort Bidwell (in north-eastern Modoc County) Comment
  CAS-BOT-BC214815  Prunus subcordata Elmer Ivan Applegate 1932-8-6 8205 Modoc Near Cedarville, Surprise Valley. Comment
  CAS-BOT-BC214817  Prunus subcordata Roxana Stinchfield Ferris; L. Lorraine 1941-8-14 10621 Modoc Summit of Fandango Pass, Modoc National Forest 1889 Comment
  CAS-BOT-BC214823  Prunus subcordata Bruce Bartholomew; Barrett Anderson 1989-4-27 4610 Modoc 2.1 km SSE of Day on road to State Highway 299. 1020 Comment
  JEPS117363  Prunus subcordata Lowell Ahart, John Dittes 2010-8-30 17062 Modoc Around a large rock, near the homestead, about 100 yards east of the fence, Ash Creek State Wildlife Area, 2300 feet north of Lassen County line, 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley 1267 Comment
  RSA1576  Prunus subcordata E. R. Johnson 1928-8-31 1195 Modoc W edge of lava beds between Lookout and Battle Comment
  UC1075726  Prunus subcordata Robert J. Weatherby 1955-7-8 1630 Modoc 6 mi N of Ft. Bidwell; Warner Mountains 1645 Comment
  CAS-BOT-BC225004  Prunus virginiana var. demissa Isabelo T. Kelly 1930-1-1 4 Modoc Fort Bidwell. Comment
  CAS-BOT-BC225005  Prunus virginiana var. demissa Bruce Bartholomew; Barrett Anderson 1989-6-1 4733 Modoc Shake Spring, NW side of Shaffer Mountain. 1500 Comment
  CAS-BOT-BC225007  Prunus virginiana var. demissa M. M. Hanna 1956-6-5 977 Modoc Cedar Pass. Comment
  RSA210822  Prunus virginiana var. demissa Robert F. Thorne, C. W. Tilforth 1969-9-4 39054 Modoc N fork of Pit River. 6.8 miles N of Parker Creek on Hwy 395 Comment
  UC555686  Prunus virginiana var. demissa F. H. Frost 1926-7-11 29 Modoc Cedar Canyon, campsite Cedar Canyon; Warner Mountains, Cedar Canyon Comment
  UC12725  Prunus virginiana var. demissa Milo S. Baker 1893-6-15 Modoc Comment
  UCD91502  Pseudoroegneria spicata Beecher Crampton; with Carl Rimbey 1954-7-7 2133 Modoc West side of Cedar Pass, Warner Mountains. 1889 Comment
  UCD91520  Pseudoroegneria spicata L. Whitney 1935-7-2 s.n. Modoc Badger Well. Comment
  CAS-BOT-BC252502  Pseudoroegneria spicata subsp. spicata Bruce Bartholomew; Barrett Anderson 1990-7-20 5477 Modoc 10.3 km N of Buck Creek Ranger Station, crest of Warner Mountains W side of Warner Mts. 2130 Comment
  CAS-BOT-BC252508  Pseudoroegneria spicata subsp. spicata John Thomas Howell 1934-6-30 12278 Modoc Duncan Horse Camp. 1355 Comment
  CAS-BOT-BC95225  Pseudostellaria jamesiana Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-13 16455 Modoc Near summit of Fandango Pass, Warner Mts. Comment
  CHSC109460  Pseudostellaria jamesiana B. Castro; L. P. Janeway 2012-7-24 1950 Modoc Warner Mountains. Northwestern flank of Mount Bidwell; ca 0.6 air mi S of Dismal Swamp. 7740 Comment
  POM260290  Pseudostellaria jamesiana C. L. Hitchcock 1940-5-27 6679 Modoc 15 miles northeast of Alturas. 1616 Comment
  UC8655  Pseudostellaria jamesiana Milo S. Baker 1893-6-26 Modoc Comment
  HSC1961  Pterospora andromedea M. T. Milligan 1966-7-25 571 Modoc Slopes and ridges E of Jess Valley. 1738 Comment
  UC1608978  Pteryxia terebinthina var. californica B. Bartholomew 1993-6-12 6583 Modoc Road to Day Rock from Little Hot Spring Valley 381 Comment
  CHSC112684  Puccinellia lemmonii Lowell Ahart; John Dittes, Todd Sloat 2013-6-8 18763 Modoc Meadow, about 300 yards northeast of the Parking Area, northeast 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
  JEPS124303  Puccinellia lemmonii Lowell Ahart, John Dittes 2015-7-15 20345 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
  RSA534594  Puccinellia nuttalliana Bruce Bartholomew, B. Anderson 1990-7-20 5448 Modoc Margin of Goose Lake at S end of the causeway to McGinty Point. 1440 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-BC218233  Purshia tridentata var. tridentata K. Paulson; Robert Paulson 1989-5-8 112 Modoc Howard's Gulch, along Hwy 139. 1371 Comment
  JEPS44641  Purshia tridentata var. tridentata Frances D. Payne 1931-7-11 152 Modoc s and e of Alturas (Parker Creek); Warner Mountains 1584 Comment
  UCSB16509  Purshia tridentata var. tridentata 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
  UC105961  Pyrola minor Mrs. R. M. Austin Jul 1894 142 Modoc Lassen Creek Comment
  UC412728  Pyrola picta Milo S. Baker 1898-7-1 536 Modoc Forestdale Comment
  UC748203  Pyrola picta Annie M. Alexander and Louise Kellogg 1946-8-8 5121 Modoc Warner Mountains, Deep Creek Canyon Deep Creek Canyon; Warner Mountains, Deep Creek Canyon Comment
  POM229872  Pyrrocoma carthamoides var. cusickii L. C. Wheeler 1935-8-12 3827 Modoc Cottonwood Creek, Warner Mts. 1677 Comment
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Aug 8 2009
  CAS-BOT-BC50354  Pyrrocoma lanceolata var. lanceolata John Thomas Howell 1934-6-15 12185 Modoc Alturas. Comment
  CHSC112981  Pyrrocoma lanceolata var. lanceolata Lowell Ahart; John Dittes 2013-7-25 18959 Modoc Along the north-south fence, south edge of Ash Creek Floodplain, northwest of Patterson Homestead, east of Elkins Lane, 1.0 mile (air) south of County Road 87, 3.14 miles (air) west of Adin, Big Valley. 1267 Comment
  UC891933  Pyrrocoma lanceolata var. lanceolata Lewis S. Rose 1940-6-12 40517 Modoc Likely 1371 Comment
  CAS-BOT-BC50357  Pyrrocoma lanceolata var. subviscosa Harvey Monroe Hall 1925-8-30 12212 Modoc 19 mi. S of Alturas on Hwy 395, at N edge of Likely. Comment
  CAS-BOT-BC50358  Pyrrocoma uniflora var. uniflora Elmer Ivan Applegate 1932-8-1 8061 Modoc S slope of Warren Peak. Comment
  CAS-BOT-BC180127  Quercus garryana var. garryana Leland S. Smith 1922-8-1 1325 Modoc Below Thompson's ranch, Biber Allot. 1371 Comment
  CAS-BOT-BC180124  Quercus kelloggii Bruce Bartholomew 1989-7-15 5024 Modoc ca. 1.5 km from State Hwy 299 on road to Manzanita Mountain. 1650 Comment
  UC922549  Quercus kelloggii Annie M. Alexander and Louise Kellogg 1948-9-18 5623 Modoc 1 mi SW of Adin Pass summit 1524 Comment
  CAS-BOT-BC217253  Ranunculus alismifolius Bruce Bartholomew 1994-5-28 6718 Modoc Vicinity of Cold Spring SE of Sugar Hill, W side of Warner Mts. 1880 Comment
  UC9361  Ranunculus alismifolius var. alismifolius Milo S. Baker 1893-6-18 Modoc 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
  UC9369  Ranunculus aquatilis var. capillaceus Milo S. Baker 1893-7-9 Modoc Comment
  CHSC99768  Ranunculus aquatilis var. diffusus Lowell Ahart; John Dittes 2008-6-21 14989 Modoc In the drying pond, north of the large culvert, east of the large levee, mountain meadow, in Big Valley, about 2.8 miles (air) north of the Headquarters at Ash Creek State Wildlife Area, about 5.4 miles (air) northeast of Bieber. 1255 Comment
  CAS-BOT-BC217229  Ranunculus cymbalaria Bruce Bartholomew 1995-6-3 6949 Modoc Just S of the Oregon border at the shore of Goose lake. 1400 Comment
  CHSC115571  Ranunculus cymbalaria Lowell Ahart; John Dittes 2015-7-15 20348 Modoc On the east side of Eldins Lane, about 200 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
  JEPS121212  Ranunculus cymbalaria Lowell Ahart, John Dittes 2013-7-24 18938 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
  HSC39724  Ranunculus cymbalaria var. saximontanus Thomas W. Nelson, James Nelson 1976-8-29 3255 Modoc Modoc National Forest; along Hwy. 299 just N west of Adin Pass 1524 Comment
  UC71852  Ranunculus cymbalaria var. saximontanus Mrs. M. H. Manning 1903-5 141 Modoc near Fort Bidwell (ne Modoc Co.) Comment
  UC54905  Ranunculus glaberrimus Mrs. M. H. Manning 1903-3-27 Modoc Ft. Bidwell Comment
  JEPS3950  Ranunculus glaberrimus N. T. Mirov 1929-5-14 Modoc e Goose Lake (on road to Fandango Valley); Warner Mountains, Buck Creek Comment
  UC1178908  Ranunculus glaberrimus Herbert L. Mason 1949-4-16 13999 Modoc summit of grade between Madeline Plain and Likely Comment
Read comments
Jun 2 2009
  CAS-BOT-BC217208  Ranunculus glaberrimus var. glaberrimus Bruce Bartholomew; Barrett Anderson 1989-4-29 4690 Modoc Surprise Valley Road, just S of the Oregon border, extreme NE corner of Modoc County. 1630 Comment
  UC118382  Ranunculus hebecarpus unknown Mar. 1890 430 Modoc Goose Lake Comment
  SJSU10628  Ranunculus occidentalis H. L. Buckalew 1961-6-22 Modoc Stough (""Stowe"") Reservoir c. 1 mi N of Cedar Pass on Alturas-Cedarville Rd, Warner Mts 1981 Comment
  RSA400013  Ranunculus occidentalis var. eisenii Christopher Davidson 1975-6-4 2621 Modoc 5 miles W of Cedarville in Hwy 299, across from road 195 to Cedaar Pass Ski Tow Road. 1799 Comment
  CHSC118087  Ranunculus occidentalis var. occidentalis L. P. Janeway 2016-5-18 12070 Modoc Modoc Plateau. Devils Garden area; Island Meadow, along Road 47N08 2.1 road-km north of Road 73/181/47N09. 1606 Comment
  HSC80769  Ranunculus occidentalis var. occidentalis G. M. Riegel 1980-7-1 793 Modoc S Warner Mtns. 2100 Comment
  UC9470  Ranunculus orthorhynchus var. orthorhynchus Milo S. Baker 1893-6-27 Modoc Comment
  JEPS55164  Ranunculus sceleratus Mary H. Manning 1903-5-8 126 Modoc Comment
  CAS-BOT-BC217154  Ranunculus testiculatus Bruce Bartholomew; Barrett Anderson 1989-4-29 4664 Modoc W side of Upper Alkali Lake, 7 km S of Fort Bidwell, Surprise Valley. 1370 Comment
  CAS-BOT-BC217155  Ranunculus testiculatus Bruce Bartholomew; Mona Bourell 1990-4-28 5201 Modoc SE corner of North Alkali Lake, Surprise Valley. 1350 Comment
  JEPS96813  Ranunculus testiculatus Dean W. Taylor 1992-3-16 12332 Modoc 1 air mi SW of Duncan Reservoir; Modoc Plateau 1493 Comment
  HSC11525  Ranunculus testiculatus M. T. Milligan 1964-4-25 Modoc 1 mi. up Barns Grade Rd. at stock pens Comment
  CAS-BOT-BC217157  Ranunculus uncinatus Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16395 Modoc along Thomas Creek, 6.1 mi. E of California State Highway 299 on road to Cedarville Comment
  JEPS60665  Ranunculus uncinatus Frances D. Payne 1929-7-7 62 Modoc 2 mi sw Mt. Warren (se Modoc Co.); Pine Creek Basin 2133 Comment
  UC485337  Ranunculus uncinatus Mrs. M. H. Manning 1905-6-12 712 Modoc Warner Range; ne Modoc Co. 1524 Comment
  CAS-BOT-BC95677  Rhododendron columbianum K. Paulson; Robert Paulson 1989-7-14 189 Modoc Vicinity of Bell Mine, N end of the Warner Mts. 2217 Comment
  CAS-BOT-BC95678  Rhododendron columbianum Bruce Bartholomew 1994-7-2 6825 Modoc North Fork of Davis Creek, W side of the Warner Mountains. 1910 Comment
  SEINET2029156 Image available Rhododendron columbianum L. C. Wheeler 1935-8-4 3777 Modoc Warner Mountains, Pine Creek 2210 Comment
  UCR270949  Ribes John F. Emmel 2000-8-3 1681 Modoc Modoc Plateau, Northern Warner Mountains, north edge of Dismal Swamp 2180 Comment
  CAS-BOT-BC225852  Ribes aureum Bruce Bartholomew; Barrett Anderson 1989-4-28 4651 Modoc 8.8 km N of State Highway 299 on road to Raker & Thomas Reservoir. 1470 Comment
  HSC65650  Ribes aureum J. P. Smith, J. O. Sawyer 1972-5-6 5278 Modoc Hill along Lassen Creek on road from Fandango Valley to Davis Creek 1463 Comment
  HSC80719  Ribes cereum G. M. Riegel 1980-7-2 814 Modoc S Warner Mtns. 1670 Comment
  UC11502  Ribes cereum Milo S. Baker 1893-8-10 Modoc Lava Beds Comment
  UC71795  Ribes cereum Mrs. M. H. Manning 1902-10-11 37 a Modoc Warner Mts. 1828 Comment
  UC745479  Ribes cereum Annie M. Alexander and Louise Kellogg 1946-6-8 4693 Modoc road from Eagleville to Patterson Mill 2164 Comment
  CAS-BOT-BC225903  Ribes montigenum Elmer Ivan Applegate 1932-8-3 8122 Modoc Dry rocky summit of Warner Mts. just S of Eagle Peak. Comment
  HSC80728  Ribes montigenum G. M. Riegel 1979-7-30 621 Modoc S Warner Mtns. 1829 Comment
  SBBG2783  Ribes montigenum H. and M. Dearing 1939-6-8 3605 Modoc Lily Lake, Warner Mtns 2133 Comment
  RSA0021948  Ribes montigenum A. M. Alexander, Louise Kellogg 1946-6-25 4822 Modoc Dismal Swamp, north end of Warner Mountains. 2256 Comment
  OBI83292  Ribes velutinum Rhonda Riggins 1989-4-28 1666 Modoc Pencil Rd. 4.4 mi N of Hwy. 395 E of Alturas. 1524 Comment
  JEPS27159 Image available Ribes viscosissimum Lauramay T. Dempster 1961-6-20 1712 Modoc w Mt. Bidwell (Cave Lake Camp Ground); Warner Mts. Comment
  RSA0020907  Ribes viscosissimum I. L. Wiggins, Dorothy Wiggins 1961-6-14 16482 Modoc 2.8 mi. S of Lassen Creek campground, along road to Davis Creek, Warner Mountains. Comment
  CAS-BOT-BC50371  Rigiopappus leptocladus Bruce Bartholomew 1990-6-18 5385 Modoc Turner Creek at County Rd 90, N end of Big Valley, 6.4 km N of Lassen County border. 1230 Comment
  UC1037316  Rigiopappus leptocladus Leo Whitney 1934-5-13 1856 Modoc Devil's Garden, Timbered Mountain, ne portion Modoc County Modoc National Forest, Devil's Garden, Timbered Mountain 1524 Comment
  JEPS53835  Rorippa W. L. Jepson 1918-8-7 7902 Modoc North Fork Bidwell Creek Mt. Bidwell, North Fork Bidwell Creek 1828 Comment
  CAS-BOT-BC58409  Rorippa austriaca W. Ball 1937-6-27 Modoc Corporation Ranch. Comment
  CAS-BOT-BC58380  Rorippa curvisiliqua John Thomas Howell 1934-6-12 12037 Modoc Lassen Creek. Comment
  CAS-BOT-BC58379  Rorippa curvisiliqua Leland S. Smith 1922-7-7 1261 Modoc Near Ft. Bidwell, along boundary of Forest. 1737 Comment
  CAS-BOT-BC95040  Rorippa sinuata Annie Montague Alexander; L. Kellogg 1946-6-20 4811 Modoc Eagleville. 1440 Comment
  SEINET5763345 Image available Rorippa sinuata John Thomas Howell 1934-1 12019 Modoc Plum Valley; Warner Mountains Comment
  CAS-BOT-BC218243  Rosa gymnocarpa Bruce Bartholomew 1995-6-22 6973 Modoc Between Day and Lookout, 2.7 km W of Day on County Road 94. 1320 Comment
  CHSC99966  Rosa woodsii subsp. ultramontana Lowell Ahart; John Dittes 2008-8-26 15348 Modoc Southeast side of Rose Creek, 750 feet southwest of confluence of Rose Creek and Pit River, on the northwest side of unnamed road, 2660 feet east of intersection with County Road 85a, 9.3 miles (air) north-northeast of Lookout. 1276 Comment
  CAS-BOT-BC218263  Rosa woodsii var. ultramontana Annie Montague Alexander; L. Kellogg 1946-7-12 4989 Modoc Twelve Mile Creek. Comment
  RSA59526  Rosa woodsii var. ultramontana E. K. Balls 1950-5-20 14814 Modoc Above South Fork Public Camp, on slope south of river, Likely to Jess Valley. 1433 Comment
  UC201726  Rosa woodsii var. ultramontana W. P. Taylor and H. C. Bryant 1910-6-25 Modoc Parker Cr. Warner Mountains 1676 Comment
  UC748231  Rosa woodsii var. ultramontana Annie M. Alexander and Louise Kellogg 1946-7-12 4989 Modoc ne corner of county Twelve Mile Creek Comment
  CAS-BOT-BC211335  Rumex acetosella Bruce Bartholomew 1994-7-1 6753 Modoc 11.9 km NW of State Hwy. 299 on road to Dutch Flat. 1400 Comment
  CAS-BOT-BC211337  Rumex acetosella Bruce Bartholomew 1994-7-2 6775 Modoc N side of Joseph Creek, 5.6 km E of U.S. Hwy. 395 on Forest Service road 30. 1590 Comment
  HSC17566  Rumex acetosella M. T. Milligan 1965-6-23 289 Modoc N end of Jess Valley 1616 Comment
  CAS-BOT-BC211340  Rumex crispus Bruce Bartholomew 1991-7-6 5964 Modoc Ash Creek Bird Santuary, 0.2 km N of Lassen County line on Modoc County Road 87A. 1260 Comment
  CDA2901  Rumex crispus T. C. Fuller 1958-7-8 1937 Modoc Corporation Ranch, Likely. 0 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
  UCD100942  Rumex fueginus Herbert L. Mason; Verne Grant 1947-7-11 13362 Modoc Highway 395, 5 miles south of Alturas. Comment
  CAS-BOT-BC211301  Rumex lacustris Bruce Bartholomew 1989-8-12 5134 Modoc Deep Creek, E side of Warner Mountains. 1620 Comment
  CAS-BOT-BC211344  Rumex lacustris Bruce Bartholomew; Barrett Anderson 1989-6-3 4896 Modoc S side of Clear Lake Reservoir. 1400 Comment
  CAS-BOT-BC211345  Rumex lacustris Elmer Ivan Applegate 1936-5-12 10294 Modoc Lava Bed National Monument, W side of Petroglyph Butte. Comment
  CAS-BOT-BC211347  Rumex lacustris Elmer Ivan Applegate 1936-5-4 10238 Modoc Lava Beds National Monument. Lake margin in Hospital Rock. Comment
  JEPS117297  Rumex maritimus 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
  UC1735897  Rumex maritimus Dean W. Taylor 1989-8-6 10500 Modoc Warner Mountains, Suprise Valley, warm spring on west shore Lower Lake 1363 Comment
  CAS-BOT-BC211309  Rumex paucifolius Annie Montague Alexander; L. Kellogg 1946-7-11 4977 Modoc Mesa W of Eight Mile Creek, NE corner of county. Comment
  UC1101222  Rumex salicifolius var. lacustris Verne Grant and Irving Schneider 1947-7-20 8088 Modoc 2 mi e Alturas; Dorris Reservoir Comment
  CHSC117359  Rumex transitorius Lowell Ahart; John Dittes 2016-7-14 21194 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
  CAS-BOT-BC211316  Rumex triangulivalvis John Thomas Howell 1934-6-15 12189 Modoc Alturas. Comment
  CAS-BOT-BC211322  Rumex triangulivalvis Roxana Stinchfield Ferris; R. Duthie 1919-6-15 162 Modoc Parker Creek, Warner Mts. Comment
  NY446455  Sagina saginoides C. L. Hitchcock 1940-5-27 6708 Modoc 15 miles northeast of Alturas 1676.4 Comment
  RSA170191  Sagittaria cuneata W. L. Jepson 1918-8-5 7825 Modoc S Fork Valley. 1372 Comment
  RSA577799  Sagittaria cuneata L. C. Wheeler 1935-8-5 3787 Modoc Warner Mountains: Mt. Diablo Mer.; Little Lily Lake, Pine Creek. 2287 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
  UC492375  Salix boothii Frances D. Payne 1932-6-21 728 c Modoc e Alturas (marsh s of Mosquito Lake); Warner Mts., e side Mt. Warren (Buck Mt.) Comment
  CAS-BOT-BC225759  Salix eastwoodiae Francis Dorris Payne 1931-7-8 177 Modoc Pine Creek Basin ca. 33 km SE of Alturas, Warner Mountains 2280 Comment
  POM218965  Salix eastwoodiae Frances D. Payne 1931-7-7 333 Modoc Pine Creek Basin. Warner Mtns. About 33 km SE of Alturas. 2280 Comment
  SBBG28812  Salix eastwoodiae F. D. Payne 1931-7-8 177 Modoc Pine Crk Basin, ca. 33 km SE of Alturas 2280 Comment
  UC481868  Salix eastwoodiae Frances D. Payne 1931-7-7 333 Modoc ca. 33 km. se Alturas (below spring); Warner Mts., Pine Creek Basin 2280 Comment
  CAS-BOT-BC225766  Salix exigua H. P. Bracelin; Francis Dorris Payne 1931-6-30 494 Modoc Parker Creek, 20 km E of Alturas. Meadow south of Payne Ranch 1560 Comment
  POM220489  Salix exigua H. P. Bracelin, Frances D. Payne 1931-6-30 488 Modoc Parker Creek, 20 km E of Alturas. Meadow S of Payne Ranch. 1560 Comment
  UC481818  Salix exigua Mrs. H. P. Bracelin 1931-6-30 501 Modoc sw end of town Alturas 1360 Comment
  UC481954  Salix exigua Mrs. H. P. Bracelin and Miss Frances D. Payne 1931-6-30 488 Modoc 20 km. e Alturas (Parker Creek, meadow s of Payne Ranch); Parker Creek 1560 Comment
  CAS-BOT-BC229684  Salix lasiandra subsp. caudata Louis Cutter Wheeler 1935-8-3 3772 Modoc Pine Creek, Warner Mts. 1554 Comment
  CAS-BOT-BC229692  Salix lasiandra subsp. caudata F. Angwin 1946-4-21 s.n. Modoc Stone Coal Canyon, 2 miles northeast of Adin. 1280 Comment
  HSC80717  Salix lasiandra var. caudata G. M. Riegel 1980-7-16 891 Modoc S Warner Mtns. 2100 Comment
  CAS-BOT-BC197560  Salix lasiandra var. lasiandra Elmer Ivan Applegate 1936-5-22 10350 Modoc Lava Beds National Monument. Shoreline near and W of Stronghold. Comment
  CAS-BOT-BC197564  Salix lasiandra var. lasiandra H. P. Bracelin; Francis Dorris Payne 1931-6-30 490 Modoc Parker Creek, 20 km E of Alturas. 1560 Comment
  RSA5668  Salix lasiolepis H. P. Bracelin 1931-6-29 487 Modoc Halfway between Adin and Canby 1350 Comment
  UC481932  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-29 487 Modoc halfway between Adin and Canby 1350 Comment
  UC481936  Salix lasiolepis Mrs. H. P. Bracelin and Miss Frances D. Payne 1931-6-30 492 Modoc 20 km. e. Alturas (Parker Creek, meadow s. of Payne Ranch); Parker Creek 1560 Comment
  CAS-BOT-BC229670  Salix lasiolepis var. lasiolepis John H. Hatton 1911-6-13 67 Modoc unspecified Comment
  CAS-BOT-BC229674  Salix lasiolepis var. lasiolepis Louis Cutter Wheeler 1935-8-3 3771 Modoc Pine Creek, Warner Mts. 1554 Comment
  CAS-BOT-BC229664  Salix lemmonii Francis Dorris Payne 1931-6-25 279 Modoc Pine Creek Basin, Warner Mts., about 33 km SE of Alturas. 2280 Comment
  CAS-BOT-BC229665  Salix lemmonii Elmer Ivan Applegate 1932-7-31 7980 Modoc Mill Creek Meadows, Warner Mts. Comment
  CAS-BOT-BC229667  Salix lemmonii Francis Dorris Payne 1931-6-25 279 Modoc Pine Creek Basin, Warner Mts., about 33 km SE of Alturas. 2280 Comment
  CAS-BOT-BC229700  Salix lemmonii Louis Cutter Wheeler 1935-8-3 3770 Modoc Pine Creek, Warner Mts. 1554 Comment
  POM209559  Salix lemmonii Frances D. Payne 1934-08 778 Modoc Pine Creek Basin. Warner Mtns. 2317 Comment
  POM218962  Salix lemmonii Frances D. Payne 1931-7-7 332 Modoc Pine Creek Basin. Warner Mtns. About 33 km SE of Alturas. 2280 Comment
  UC437299  Salix lemmonii Belknap C. Goldsmith 1911-5-21 26 Modoc e. shore Goose Lake; Modoc Forest Comment
  UC481850  Salix lemmonii Frances D. Payne 1931-6-25 278 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
  RSA0039538  Salix lucida subsp. lasiandra Lowell A. Ahart, John Dittes 2008-8-25 15303 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
  RSA59738  Salix lucida subsp. lasiandra E. K. Balls 1950-5-20 14794 Modoc South Fork Public Camp, South Fork Pit River, Likely to Clear Lake. 1433 Comment
  CAS-BOT-BC229677  Salix lutea F. Angwin 1946-5-3 s.n. Modoc Ash Creek, Adin. 1371 Comment
  CAS-BOT-BC229680  Salix lutea Belknap C. Goldsmith 1910-4-28 2 Modoc Alturas on Pitt River. Comment
  SBBG29031  Salix lutea Mrs. H. P. Bracelin, F. D. Payne 1931-6-30 499 Modoc Parker Crk, 20 km E of Alturas S of Payne Ranch 1560 Comment
  CAS-BOT-BC229848  Salix melanopsis H. P. Bracelin; Francis Dorris Payne 1931-6-30 493 Modoc Parker Creek, 20 km E of Alturas. 1560 Comment
  CAS-BOT-BC229832  Salix scouleriana Louis Cutter Wheeler 1935-8-3 3759 Modoc Pine Creek, Warner Mts. 1737 Comment
  CAS-BOT-BC229842  Salix scouleriana F. Angwin 1946-2-2 s.n. Modoc Adin. Comment
  HSC80730  Salix scouleriana G. M. Riegel 1980-8-27 1112 Modoc S Warner Mtns. 2100 Comment
  CAS-BOT-BC95558  Salsola tragus Bruce Bartholomew 1989-8-11 5080 Modoc E side of Surprise Valley at Nevada border on State Hwy 299. 1500 Comment
  RSA180603  Salsola tragus T. C. Fuller 1964-10-8 12698 Modoc Levee across the S end of Goose Lake, ca. 5 miles W of Davis Creek. Comment
  CDA3198  Salsola tragus L. C. Wheeler 1973-1 s.n. Modoc North end of Big Mud Lake. Comment
  CAS-BOT-BC179251  Salvia aethiopis B. Bartholomew 1995-7-31 7078 Modoc Ca. 1.6 km N of turn off to Cedarville on U.S. Hwy 395. 1350 Comment
  SEINET14190177 Image available Salvia aethiopis P. C. Martinelli, T. C. Fuller 1974-7-19 s.n. Modoc Alturas area Comment
  SEINET14190204 Image available Salvia aethiopis P. C. Martinelli, T. C. Fuller 1974-7-19 s.n. Modoc Alturas area Comment
  RSA554805  Salvia dorrii subsp. dorrii Margaret J. Williams 1988-6-2 88- 27 -1 Modoc Hwy 395 0.4 mile E of Susanville road after turn to Alturas. [Lassen county] Comment
  UC441302  Sambucus mexicana Milo S. Baker Aug 1898 517 Modoc Bower's Springs Comment
  POM139968  Sanguisorba annua M. S. Baker 1893-1 s.n. Modoc Forestdale. Comment
  HSC80789  Sanicula graveolens G. M. Riegel 1979-7-13 511 Modoc South Warner Mountains 1829 Comment
  CAS-BOT-BC95565  Sarcobatus vermiculatus Bruce Bartholomew 1989-8-11 5083 Modoc Sand Creek, Surprise Valley, 5 km W of Nevada border on State Hwy 299. 1400 Comment
  RSA59513  Saxifraga nidifica var. claytoniifolia E. K. Balls 1950-5-12 14657 Modoc N of Bucks Creek Ranger Station. Modoc National Forest. E of Goose Lake. 1646 Comment
  RSA252391  Scirpus microcarpus Robert F. Thorne, C. W. Tilforth 1969-9-5 39154 Modoc Wet mud at margin of Clear Lake. Warner Mountains, Modoc National Forest. 1768 Comment
  POM312849  Scirpus nevadensis H. L. Mason, Verne Grant 1947-7-12 13436 Modoc Corporation Ranch Headquarters, north of Likely. Comment
  RSA531331  Scirpus nevadensis Bruce Bartholomew, B. Anderson 1990-7-20 5449 Modoc Margin of Goose Lake at S end of the causeway to McGinty Point. 1440 Comment
  UCD48759  Scirpus nevadensis Herbert L. Mason; Verne Grant 1947-7-12 13436 Modoc Corporation Ranch Headquarters, north of Likely. Comment
  UC1100805  Scirpus pungens Herbert L. Mason 1948-9-4 13665 Modoc Rush Creek Mono Lake; , Mono Lake Comment
Read comments
Jun 2 2015
  SEINET6673049  Scrophularia desertorum N. H. Holmgren, P. K. Holmgren 1978-6-10 8900 Modoc In canyon 13.4 km (8.3 miles) east of Likely, along road to Jess Valley. 1520 Comment
  CAS-BOT-BC179215  Scutellaria nana M. Vasey 1990-6-29 9019 Modoc Along S Emerson Trail, near trailhead from N Emerson Lake. 2377 Comment
  CAS-BOT-BC179223  Scutellaria nana Lindsay Stuart Smith 1924-5-31 1358 Modoc Egg Lake Ranch and S. Comment
  RSA0089761  Scutellaria nana Dean Wm. Taylor 2014-6-10 21484 Modoc Vicinity Mud Lake; County Road 91 (Lookout to Tule Lake) at the junciton, Modoc National Forest Road 42N56. 1432 Comment
  HSC1972  Secale cereale M. T. Milligan 1964-6-4 23 Modoc East D St. between 4th and 5th St., Alturas 1372 Comment
  CHSC109200  Sedum lanceolatum L. P. Janeway; B. Castro 2012-7-24 10964 Modoc Warner Mountains. Along Forest Road/County Road 2 (the road from New Pine Creek to Fort Bidwell) 1.0 air km west of Lily Lake and 1.4 air km northwest of Yellow Mountain. 1948 Comment
  CHSC109442  Sedum lanceolatum L. P. Janeway; B. Castro 2012-7-24 10975 Modoc Warner Mountains. Northwestern flank of Mount Bidwell; 1.2 air km south of Dismal Swamp. 2362 Comment
  JEPS48038  Sedum stenopetalum Mary H. Manning 1907-1 Modoc e side Mt. Bidwell (Twelve-mile Creek); e side Mt. Bidwell, Twelve-mile Creek Comment
  RSA84213  Sedum stenopetalum subsp. stenopetalum F. W. Peirson 1926-6-25 6866 Modoc West slope of Warner Mountains on Cedarville Road. Comment
  CAS-BOT-BC50335  Senecio aronicoides Bruce Bartholomew 1992-5-16 6337 Modoc Burned area along County Road 91, ca. 2.5 km S of turn off to Happy Camp Ranger Station. 1390 Comment
  RSA0012438  Senecio aronicoides Bruce Bartholomew 1992-5-14 6277 Modoc SW side of White Horse Mountains, SW of White Horse Flat Reservoir. 1370 Comment
  UC36026  Senecio aronicoides Mrs. R. M. Austin June 1898 2368 Modoc Davis Creek Comment
  UC75814  Senecio aronicoides Milo S. Baker 1893-1 Modoc Forestdale Comment
  RSA252461  Senecio eurycephalus R. F. Thorne, C. W. Tilforth 1969-9-5 39150 Modoc Near Mill Creek Falls. Modoc Nataional Forest, Warner Mts. 1753 Comment
  HSC67927  Senecio fremontii J. P. Smith, J. O. Sawyer 1973-8-8 7224 Modoc Near summit of Eagle Peak 2988 Comment
  CAS-BOT-BC50279  Senecio fremontii var. fremontii Bruce Bartholomew 1992-8-8 6363 Modoc Summit Trail at pass on W ridge of Warren Peak, E side of Warner Mountains. 2870 Comment
  CAS-BOT-BC50280  Senecio fremontii var. fremontii Elmer Ivan Applegate 1932-8-1 8048 Modoc Eastern slope of Warren Peak near summit, Warner Mountains Comment
  CAS-BOT-BC50290  Senecio integerrimus var. exaltatus Francis Dorris Payne 1932-6-24 599 Modoc Parker Creek. 1584 Comment
  UC91382  Senecio integerrimus var. exaltatus Mrs. R. M. Austin Jun 1894 Modoc Davis Creek Comment
  UC748199  Senecio serra var. serra Annie M. Alexander and Louise Kellogg 1946-7-7 4949 Modoc edge of ditch from Eight Mile Creek (ne corner of Modoc County) 1752 Comment
  CAS-BOT-BC54279  Senecio triangularis Annie Montague Alexander; L. Kellogg 1946-7-29 5081 Modoc Eagle Peak. 2438 Comment
  CAS-BOT-BC225039  Sibbaldia procumbens Annie Montague Alexander; L. Kellogg 1946-6-14 5069 Modoc Horse Mountain, Warner Mts. Comment
  HSC19737  Sibbaldia procumbens M. T. Milligan 1965-7-10 436 Modoc W slope of Eagle Peak. 2439 Comment
  UCD116654  Sidalcea glaucescens Verne Grant; Irving Schneider 1947-7-22 8144 Modoc north fork of Pit River on Highway 395, about one mile north of junction with Cedarville Road. Comment
  RSA95254  Sidalcea glaucescens F. W. Peirson 6867 Modoc West slope of Warner Mts. on Cedarville Rd Comment
  CAS-BOT-BC179091  Sidalcea oregana subsp. oregana Bruce Bartholomew 1995-8-1 7139 Modoc 14.8 km N of turn off to Cedarville on U.S. Hwy 395 and 8 km S of Davis Creek. 1450 Comment
  JEPS67215  Sidalcea oregana subsp. oregana W. L. Jepson 1918-8-7 7864 Modoc Mt. Bidwell Warner Mts., Mt. Bidwell 2072 Comment
  RSA504609  Sidalcea oregana subsp. oregana Bruce Bartholomew, B. Anderson 1988-7-21 4423 Modoc S. end of Whitehorse Flat Reservoir. 1340 Comment
  CAS-BOT-BC179053  Sidalcea oregana subsp. spicata Leland S. Smith 1920-7-13 1188 Modoc Crowder Flat. 1371 Comment
  CAS-BOT-BC191147  Sidalcea oregana subsp. spicata Bruce Bartholomew; Barrett Anderson 1988-6-24 4358 Modoc 9.8 km SW of County road 1 on County Road 42, E side of the Warner Mts.. 1960 Comment
  POM126814  Sidalcea oregana subsp. spicata M. French Gilman 534 Modoc No location given 1524 Comment
  CAS-BOT-BC95246  Silene douglasii var. douglasii Bruce Bartholomew 1991-8-5 6031 Modoc Summit Trail between Pepperdine and Squaw Peak, W side of Warner Mts. 2190 Comment
  CAS-BOT-BC95247  Silene douglasii var. douglasii Francis Marion Ownbey; Frederick Gustav Meyer 1940-7-1 2154 Modoc Cedar Peak, Warner Mts. Comment
  CAS-BOT-BC95248  Silene douglasii var. douglasii Elmer Ivan Applegate 1932-8-1 7999 Modoc W slope of Warner Mts. S of Warren Peak. Comment
  UC465655  Silene lemmonii Franklin P. Nutting Modoc near Forestdale; near Forestdale Comment
  HSC80711  Silene oregana G. M. Riegel 1980-8-9 1024 Modoc S Warner Mts. 1670 Comment
  CHSC85184  Sisymbrium altissimum John Dittes; Josephine Guardino 1991-7-21 429 Modoc Modoc Plateau; Big Valley; Ash Creek Wildlife Area; ca. 5.7 air-miles northeast of Bieber, ca. 7.6 air-miles west of Adin, ca. 1.5 air-mile southeast of Pilot Butte summit; meadow at northern edge of Ash Creek Floodplain (Big Swamp) at southeast base of Pilot Butte. 1258 Comment
  RSA82892  Sisymbrium altissimum J. M. Tucker 1950-7-25 1968 Modoc beside highway 139, 26.4 miles southeast of Tule Lake Comment
  UCD115507  Sisymbrium altissimum Robbins; Raynor 1943-6-1 s.n. Modoc near Likely. Comment
  CAS-BOT-BC245080  Sisyrinchium idahoense var. idahoense Bruce Bartholomew 1994-7-1 6771 Modoc Turner Creek adjacent to Forest Service road 42N21. 1470 Comment
  CAS-BOT-BC245084  Sisyrinchium idahoense var. idahoense Bruce Bartholomew 1993-6-12 6602 Modoc Tom Large Flat, W of Egg Lake. 1260 Comment
  CAS-BOT-BC245085  Sisyrinchium idahoense var. idahoense Bruce Bartholomew 1994-5-29 6739 Modoc SE of Egg Lake on Forest Service road 42N15. 1260 Comment
  SEINET10861153  Sitanion hystrix Bruce M. Bartholomew 1989-7-14 Bartholomew 4949 Modoc Ca. 8 km NE of Egg Lake and 2.5 km E of Survice Gulch. Ponderosa Pine Forest. 1340 Comment
  RSA210837  Sium suave R. F. Thorne, C. W. Tilforth 1969-9-4 39050 Modoc Along N Fork of Pit River, 11.8 miles N of Alturas along Highway 395. 1372 Comment
  JEPS942  Sium suave W. L. Jepson 1918-8-5 7824 Modoc South Fork Pitt River, South Fork Valley South Fork Pitt River; , South Fork Valley 1371 Comment
  UC1537630  Sium suave Gordon H. True Jr. 1939-7-21 1028 Modoc n of Canby (Jack Swamp); Jack Swamp Comment
  CDA5944  Solanum dulcamara T. C. Fuller 1958-7-8 1946 Modoc Corporation Ranch, Likely. 0 Comment
  CAS-BOT-BC245432  Solanum physalifolium var. nitidibaccatum Francis Dorris Payne 1932-7-18 712 Modoc Parker Creek. 1584 Comment
  HSC65391  Solanum triflorum Thomas Wood 1979-8-8 222 Modoc About 1.2 mi. S and then shortly W of Ft. Bidwell, along Hwy. 1 1372 Comment
  JEPS12132  Solanum triflorum F. H. Frost 1925-7-20 92 Modoc 2 mi above Cedarville (Cedar Camp); Cedar Camp Comment
  UCR131618  Solanum triflorum L. C. Wheeler 1935-9-22 3995 Modoc Warm Springs Valley, Pit River at Rattlesnake Butte 1341 Comment
  HSC6189  Solidago elongata M. T. Milligan 1966-7-27 594 Modoc Slopes and ridges E of Jess Valley 1707 Comment
  UC71567 Image available Solidago lepida var. salebrosa Mrs. M. H. Manning Sept 1902 15 Modoc Comment
  UC1192251  Solidago spectabilis Herbert L. Mason 1947-8-11 13497 Modoc On Highway 81, west margin of Lower Lake, near boundary, between Lassen and Modoc counties. Comment
  CAS-BOT-BC54280  Solidago velutina subsp. californica Roxana Stinchfield Ferris; L. Lorraine 1941-8-14 10619 Modoc Summit of Fandango Pass, on road between Fort Bidwell and Pine Creek, Warner Mtns., Modoc N.F. 1889 Comment
  UC71565  Solidago velutina subsp. californica Mrs. M. H. Manning 1903-6 246 Modoc near Fort Bidwell (north-eastern Modoc County) Comment
  CAS-BOT-BC54290  Sonchus asper subsp. asper Bruce Bartholomew 1993-6-13 6646 Modoc Vicinity of hot spring, ca. 0.6 km NE of Leonard Hot Spring, E side of Surprise Valley. 1430 Comment
  POM140052  Sorbus californica M. S. Baker 1898-7-20 s.n. Modoc Taylor Creek. Forestdale. Comment
  CAS-BOT-BC242251  Sparganium emersum Robert Folger Thorne; C. W. Tilforth 1969-9-5 39149 Modoc S Fork of Pit River ca. 7 mi. E of Likely. 1432 Comment
  JEPS32229  Sparganium emersum var. emersum W. L. Jepson 1918-8-12 7949 Modoc Jess Valley 1584 Comment
  UC1537629  Sparganium emersum var. emersum Gordon H. True Jr. 1939-7-21 1020 Modoc n of Canby (Jack Swamp); Jack Swamp Comment
  UC1099795  Sparganium erectum subsp. stoloniferum Verne Grant and Irving Schneider 1947-7-21 8113 Modoc Alturas South Fork of Pit River (South Fork of Pit River, 0.25 mi upstream from confluence with North Fork Pit River) Comment
Read comments
Sep 25 2008
  UC1099804  Sparganium erectum subsp. stoloniferum Herbert L. Mason and Verne Grant 1947-7-11 13361 Modoc 5 mi s Alturas (irrigation ditch on Highway 395) Comment
  RSA8223  Sparganium eurycarpum Elmer I. Applegate 1929-7-29 6088 Modoc Clear Lake Dam, Clear Lake. Comment
  UC748408  Sphenosciadium capitellatum Annie M. Alexander and Louise Kellogg 1946-7-12 4983 Modoc Twelve Mile Creek; ne corner of county Comment
  POM82493  Sphenosciadium capitellatum Mrs. R. M. Austin 1895-07 s.n. Modoc Davis Creek Comment
  CAS-BOT-BC225041  Spiraea douglasii Leland S. Smith 1420 Modoc Modoc County. Comment
  POM69776  Stachys palustris subsp. pilosa R. M. Austin 1895-08 s.n. Modoc Goose Lake Valley Comment
  CAS-BOT-BC179210  Stachys pilosa B. Bartholomew 1995-8-1 7172 Modoc County road 13, ca. 3 km NW of Lake City. 1390 Comment
  CAS-BOT-BC179214  Stachys pilosa M. Vasey 1990-6-30 9032 Modoc Near Lava Camp (end of road), Egg Lake. 1300 Comment
  UCD126027  Stachys rigida Verne Grant; Irving Schneider 1947-7-18 8047 Modoc Eastside Canal, 5 miles north of Bayley's bridge, south of Alturas. Comment
  JEPS119558  Stachys rigida var. rigida Lowell Ahart, John Dittes 2012-7-12 18362 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
  SD46731  Stellaria calycantha Robert J. Weatherby 1955-7-8 1618 Modoc Between rocks at edge of creek. 7 miles north of Fr. Bidwell, Warner Mts. 1874 Comment
  CAS-BOT-BC95301  Stellaria umbellata Bruce Bartholomew 1991-8-5 6034 Modoc Squaw Peak Trail on N side of Squaw Peak, E side of Warner Mts. 2420 Comment
  RSA164370  Stenotus acaulis Clare B. Hardham 1961-6-18 7570 Modoc Hills S of Cedar Pass. 1829 Comment
  UC1523801  Stenotus acaulis Gary Schoolcraft 1981-5-12 391 Modoc SW of Alturas 1493 Comment
  UC1037319  Stenotus lanuginosus var. lanuginosus Leo Whitney 1934-5-13 1859 Modoc Weed Valley; 14 miles east, notheast of upper end of Clear Lake. Northern Modoc County. 1524 Comment
  JEPS29181  Stenotus stenophyllus Lauramay T. Dempster 1961-6-18 1687 Modoc Peak just south of Cedar Pass Comment
  RSA59847  Stenotus stenophyllus E. K. Balls 1950-5-17 14730 Modoc South shore, Clear Lake Bird Refuge 1381 Comment
  CDA14601  Stephanomeria spinosa G. D. Barbe 1991-8-27 4441 Modoc Warner Mountains; East of Bald Mountain, Modoc National Forest. 2316 Comment
  HSC80826  Stipa hymenoides G. M. Riegel 1980-7-15 886 Modoc South Warner Mtns. 1739 Comment
  HSC66167  Stipa pinetorum J. P. Smith, J. O. Sawyer 1973-8-8 7215 Modoc Near summit of Eagle Peak 2988 Comment
  UC69638  Streptanthus cordatus Mrs. M. H. Manning June 1904 389 Modoc open mt. side Ft. Bidwell (ne Modoc Co.) 1706 Comment
  CAS-BOT-BC95059  Streptanthus cordatus var. cordatus M. Vasey 1990-6-28 9009 Modoc In vicinity of pass at junction of N Emerson Lake Trail and Owl Creek Trail, on Cole Peak side of pass. 2590 Comment
  CHSC109214  Streptanthus cordatus var. cordatus L. P. Janeway; B. Castro 2012-7-24 10968 Modoc Warner Mountains. Along Forest Road/County road 2 (the road from New Pine Creek to Fort Bidwell) 1.0 air km west of Lily Lake and 1.4 air km northwest of Yellow Mountain. 1948 Comment
  UC429278  Streptopus amplexifolius var. americanus Milo S. Baker Aug 1899 Modoc Taylor Creek Forestdale (Forestdale) Comment
  CAS-BOT-BC242259  Stuckenia pectinata Bruce Bartholomew; Barrett Anderson 1989-6-2 4798 Modoc 6.4 km E of Fort Bidwell on road to Fee Reservoir, NE corner of Surprise Valley. 1460 Comment
  CAS-BOT-BC242266  Stuckenia striata Milo Samuel Baker 1899-8-24 s.n. Modoc Pit River at Lookout. Comment
  UCD138321  Stuckenia striata Herbert L. Mason 1947-8-15 13540 Modoc Mouth of Crane Creek on Willow Ranch, east side of Goose Lake. Comment
  CAS-BOT-BC95571  Suaeda calceoliformis Bruce Bartholomew 1991-10-13 6121 Modoc 5 km E of Cedarville, Surprise Valley. 1310 Comment
  JEPS90827  Suaeda calceoliformis Dean W. Taylor 1989-8-4 10426 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-BC180099  Swertia albicaulis var. albicaulis K. Paulson; Robert Paulson 1988-5-22 9 Modoc Fletcher Creek, Devil's Garden. 1402 Comment
  CHSC111994  Swertia radiata B. Castro; L. P. Janeway 2008-8-17 1749 Modoc Warner Mountains. North slope of Bald Mountain; mid-slope near upper edge of last row of trees. 2308 Comment
  UC748485  Symphoricarpos longiflorus Annie M. Alexander and Louise Kellogg 1946-6-18 4805 Modoc bluff facing Lower Lake Comment
  CAS-BOT-BC95202  Symphoricarpos rotundifolius var. rotundifolius Bruce Bartholomew; Barrett Anderson 1988-7-21 4425 Modoc S end of Whitehorse Flat Reservoir. 1340 Comment
  UC1191852  Symphoricarpos rotundifolius var. rotundifolius Herbert L. Mason 1948-7-18 13619 Modoc Cedar Pass; Warner Mountains Comment
  CAS-BOT-BC5519  Symphoricarpos vaccinioides Mrs. R. M. Austin 1887-1-1 s.n. Modoc unspecified Comment
  LA203052  Symphyotrichum ascendens M. S. Baker; August 1898 524 Modoc Forest Dale Comment
  UC912524  Symphyotrichum bracteolatum F. H. Frost 1925-7-25 161 Modoc Eagle Peak Warner Mts. Comment
  CHSC112824  Symphyotrichum campestre Lowell Ahart; John Dittes 2013-7-25 18950 Modoc Along the north-south fence, south edge of Ash Creek Floodplain, northwest of Patterson Homestead, east of Elkins Lane, 1.0 mile (air) south of County Road 87, 3.14 miles (air) west of Adin, Big Valley. 1267 Comment
  HSC5072  Symphyotrichum campestre M. T. Milligan 1966-7-29 604 Modoc Slopes and ridges E of Jess Valley 1982 Comment
  HSC65385  Symphyotrichum foliaceum Thomas Wood 1979-8-8 217 Modoc 1 mi. S of Ft. Bidwell, along Hwy. 1, corner house where road turns W 1372 Comment
  CAS-BOT-BC15223  Symphyotrichum foliaceum var. parryi Annie Montague Alexander; L. Kellogg 1946-8-9 5145 Modoc Patterson Lake Trail, Warner Mountains Comment
  CAS-BOT-BC15224  Symphyotrichum foliaceum var. parryi Bruce Bartholomew 1990-8-5 5678 Modoc Summit Trail, ca. 4 km N of Patterson Ranger Station, W side of Warner Mts. 2470 Comment
  UC1192078  Symphyotrichum frondosum Herbert L. Mason 1947-8-15 13545 Modoc Willow Ranch, e side of Goose Lake Crane Creek, Goose Lake 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
  CAS-BOT-BC232363  Synthyris missurica Robert Patterson; Mona Bourell 1993-8-14 5224 Modoc Patterson Lake. South Warner Wilderness Area. Warner Mountains. 2743 Comment
  UC748173  Synthyris missurica Annie M. Alexander and Louise Kellogg 1946-6-28 4857 Modoc n end Warner Mountains (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
  CAS-BOT-BC54227  Taraxacum officinale Edward Kent Balls 1950-5-11 14623 Modoc 8.1 mi. NE of Fort Bidwell, above Cowhead Lake, on Eight Mile Creek. 1463 Comment
  RSA101506  Taraxacum officinale R. Weatherby 1955-7-7 1599 Modoc Dismal Swamp, northern Warner Mountains. 2241 Comment
  CAS-BOT-BC54228  Tetradymia canescens Annie Montague Alexander; L. Kellogg 1946-7-7 4940 Modoc Eight Mile Creek, NE corner of county 1752 Comment
  HSC67874  Tetradymia canescens J. P. Smith, J. O. Sawyer 1973-8-8 7247 Modoc S slopes of Eagle Peak 2561 Comment
  UC748136  Tetradymia canescens Annie M. Alexander and Louise Kellogg 1946-7-7 4940 Modoc Eight Mile Creek, ne corner of county Eight Mile Creek 1752 Comment
  JEPS86339  Thalictrum fendleri Jack and Betty Guggolz 1988-6-28 954 Modoc w Jenkins Spring Comment
  NY746808  Thelypodium howellii var. howellii N. H. Holmgren 1998-5-30 12996 Modoc Surprise Valley, Modoc County Road 299, 6.9 km (4.3 mi) east of downtown Cedarville, at a turnoff to some hotsprings 1370 Comment
  SEINET3131788  Thermopsis argentata M. S. Baker 1899-8-14 sn Modoc Forestdale Comment
  CAS-BOT-BC181794  Thermopsis californica var. argentata Leland S. Smith 1920-6-17 5 A Modoc N end of Egg Lake. 1310 Comment
  CAS-BOT-BC181800  Thermopsis californica var. argentata Milo Samuel Baker 1894-8-1 Modoc Forestdale, Comment
  UC54938  Thermopsis macrophylla var. argentata Milo S. Baker 1899-8-14 Modoc Forestdale (Egg Flat) Comment
  CAS-BOT-BC95085  Thlaspi arvense E. S. Willits 1940-5-17 269 Modoc Willow Ranch. Comment
  CHSC114923  Thlaspi arvense D. B. Joley 1976-6-23 3 Modoc Likely, near Alturas. Comment
  CAS-BOT-BC58701  Tiquilia nuttallii Bruce Bartholomew 1993-6-13 6629 Modoc Near Fortynine Creek, E of Cedarville on E side of Surprise Valley. 1400 Comment
  CAS-BOT-BC54245  Townsendia scapigera Lemmon 1879-5-1 s.n. Modoc Modoc County. Comment
  CHSC106336  Tribulus terrestris Lowell Ahart; John Dittes 2010-8-30 17081 Modoc 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-BC179197  Trichostema oblongum Bruce Bartholomew 1991-7-6 5987 Modoc Sand Flat on Loveness Logging Road. 1370 Comment
  CAS-BOT-BC179195  Trichostema simulatum Bruce Bartholomew 1989-7-14 4960 Modoc Survice Gulch ca. 3 km NE of Egg Lake. 1340 Comment
  CAS-BOT-BC181790  Trifolium beckwithii E. S. Willits 1940-5-20 277 Modoc Willow Ranch. Comment
  CAS-BOT-BC181782  Trifolium cyathiferum Francis Dorris Payne 1931-6-18 191 Modoc Parker Creek. 1584 Comment
  CAS-BOT-BC181788  Trifolium cyathiferum Bruce Bartholomew; Barrett Anderson 1988-7-22 4517 Modoc SE side of Sunflower Knob, southern end of the Warner Mts.. 2160 Comment
  UC748296  Trifolium cyathiferum Annie M. Alexander and Louise Kellogg 1946-7-12 4979 Modoc Twelve Mile Creek ne corner of county Comment
  UCD32682  Trifolium cyathiferum Beecher Crampton 1954-7-6 2094 Modoc Road 56, following Shields Creek into Warner Mountains, 22 miles east of Alturas. 1676 Comment
  UCD107919  Trifolium eriocephalum var. harneyense Collector Unknown 1949-6-1 s.n. Modoc Eagleville, D. L. Grove Ranch. Comment
  UC711816  Trifolium kingii var. productum Roxana S. Ferris and Laura Lorraine 1941-8-14 10579 Modoc 3 mi from Patterson Ranger Station (on rd to Eagleville); Warner Mtns, Modoc National Forest Comment
  CAS-BOT-BC181748  Trifolium longipes E. S. Willits 1940-5-17 263 Modoc Willow Ranch. Comment
  NY717187  Trifolium longipes B. M. Bartholomew 1990-7-20 5502 Modoc Tamarack Flat, east side of Warner Mountains 2150 Comment
  CAS-BOT-BC181727  Trifolium macrocephalum Bruce Bartholomew; Barrett Anderson 1989-4-28 4650 Modoc 8.8 km N of State Highway 299 on road to Raker & Thomas Reservoir. 1470 Comment
  CAS-BOT-BC181738  Trifolium macrocephalum Mrs. H. C. Cantelow 1941-5-23 Modoc 2 miles W of Adin Summit, east of Bieber, Hwy. 299 Comment
  RSA0014359  Trifolium macrocephalum Joan Stewart 2005-6-6 2488 Modoc Stowe Reservoir, Warner Mountains. Comment
  RSA60362  Trifolium microcephalum E. K. Balls 1950-5-10 15963 Modoc 0.5 miles past fork of 395 and road to Cedarville, from Alturas. 1585 Comment
  CHSC115603  Trifolium pratense Lowell Ahart; John Dittes 2015-8-16 20365 B 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
  HSC15157  Trifolium pratense M. T. Milligan 1964-7-20 151 Modoc N end of Jess Valley, near Mill Creek. 1677 Comment
  CAS-BOT-BC181762  Trifolium productum Elmer Ivan Applegate 1932-8-2 8099 Modoc Mill Creek Meadow, W slope of Warner Mts. Comment
  CAS-BOT-BC181768  Trifolium productum Annie Montague Alexander; L. Kellogg 1946-6-25 4821 Modoc Dismal Swamp, north end of Warner Mountains 2255 Comment
  CAS-BOT-BC181772  Trifolium productum Bruce Bartholomew 1992-8-8 6379 Modoc Vicinity of Patterson Lake, E side of Warner Mountains. 2750 Comment
  CAS-BOT-BC248352  Trifolium productum B. Bartholomew; H. Sun 2002-6-24 8835 Modoc Ca. 1 km NW of Bald Mt., E side of the Warner Mountains 2290 Comment
  NY717606  Trifolium variegatum B. M. Bartholomew 1994-7-1 6761 Modoc 11.9 km northwest of State Highway 299 on road to Dutch Flat 1400 Comment
  UC16738  Trifolium willdenovii Milo S. Baker 1894-5-23 Modoc Cow Creek Mountains Comment
  CAS-BOT-BC180162  Trifolium wormskioldii Leland S. Smith 1920-7-13 1183 Modoc Crowder Flat. 1371 Comment
  NY717694  Trifolium wormskioldii B. M. Bartholomew 1990-7-20 5540 Modoc Buck Creek between Del Pratt Spring and Howard Flat, west side of Warner Mountains 1990 Comment
  RSA233737  Trifolium wormskioldii Robert F. Thorne, C. W. Tilforth 1969-9-5 39169 Modoc Modoc National Forest, Warner Mountains, Clear Lake. 1768 Comment
  UCSC011160  Trifolium wormskioldii Lowell Ahart 2016-7-16 21242 Modoc At the second pond, south as Ash Creek Canal (now filled in), south of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile south of County Road 87, 1.75 miles west of Adin, Big Valley 1274 Comment
  CAS-BOT-BC245034  Triglochin concinna var. debilis Bruce Bartholomew 1991-5-24 5719 Modoc Surprise Valley, vicinity of Surprise Valley Mineral Springs, 8 km E of Cedarville. 1400 Comment
  CAS-BOT-BC245035  Triglochin concinna var. debilis Alice Eastwood; John Thomas Howell 1940-6-12 8036 Modoc Likely. Comment
  UC1024845  Trisetum canescens Leo Whitney 1935-6-9 3205 Modoc White Horse Comment
  JEPS86360  T