Search Results — 2000 specimen records retrieved (1511 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

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

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC73501  Abies concolor John Thomas Howell 1934-6-14 12180 Modoc Patterson Mill Road, Warner Mts. Comment
  HSC65545  Acer negundo var. californicum Thomas Wood 1979-8-8 204 Modoc 1 mi. S of Ft. Bidwell, along Hwy. 1, corner house where road turns W 1372 Comment
  CAS-BOT-BC15671  Achillea millefolium Bruce Bartholomew 1989-7-15 5000 Modoc Sweagert Flat. 1860 Comment
  UCD50343  Achnatherum hymenoides Beecher Crampton; with Carl Rimbey 1954-7-7 2151 Modoc 7 miles east of Cedarville. Comment
  UCD50450  Achnatherum lemmonii Beecher Crampton; with Carl Rimbey 1954-7-6 2101 Modoc 20 miles E of Alturas. Warner Mountains. Above Shields Creek. Comment
  UCD55580  Achnatherum lemmonii Beecher Crampton; Carl Rimbey 1954-7-6 2113 Modoc 20 miles E of Alturas. Warner Mountains. Above Shields Creek. Comment
  RSA27042  Achnatherum lemmonii var. lemmonii C. L. Hitchcock 1940-5-28 6724 Modoc near Surprise, ca. 15 miles north of Alturas 1402 Comment
  UCD23584  Achnatherum occidentale subsp. pubescens L. Whitney 1935-6-9 3206 Modoc White Horse. Comment
  UCD51221  Achnatherum occidentale subsp. pubescens L. Whitney 1935-7-7 s.n. Modoc Howard Gulch. Comment
  CAS-BOT-BC242310  Achnatherum thurberianum Leland S. Smith 1917-6-20 48 Modoc Cantrall's Mill. 1828 Comment
  POM203131  Achnatherum thurberianum J. T. Howell 1934-6-30 12273 Modoc Duncan Horse Camp. Comment
  UC1024980  Achnatherum thurberianum Leo Whitney 1935-7-6 3418 Modoc Pit River near Lookout; Pit River Comment
  UCD104073  Acmispon brachycarpus Herbert L. Mason; Verne Grant 1947-7-10 13332 Modoc Dorris Reservoir, 2 miles east of Alturas. Comment
  CHSC107371  Acmispon denticulatus Lowell Ahart; John Dittes 2011-6-22 17545 Modoc On the west side of the road, about 30 yards north of the Pilot Butte Parking Lot, north edge of Ash Creek Floodplain, 1.1 miles (air) south of County Road 87, 7.7 miles (air) west of Aden, 10 miles (air) east of Lookout, Big Valley. 1264 Comment
  CAS-BOT-BC218308  Aconitum columbianum Elmer Ivan Applegate 1932-8-7 8233 Modoc Lily Lake, Bidwell Pass, Warner Mts. Comment
  UC71849  Aconitum columbianum Mrs. M. H. Manning 1903-8-3 70 Modoc near Fort Bidwell; n.e. Modoc Co. Comment
  CAS-BOT-BC218330  Adonis aestivalis Bruce Bartholomew 1995-6-4 6960 Modoc 1.1 km E of Canby on State Hwy 299. 1280 Comment
  CHSC68565  Adonis aestivalis Vernon H. Oswald; Beth Corbin, Gary Schoolcraft 1997-5-17 8463 Modoc Bushey Rd. on the north side of the Pit River south of Canby Bridge. Roadside bordering a field. 1280 Comment
Read comments
May 4 2012
  UC1587034  Adonis aestivalis G. Schoolcraft 1991-6-18 2166 Modoc about 1.5 mi w of Canby (n of Highway 299) 1328 Comment
  CDA3516  Adonis aestivalis T. C. Fuller 1963-6-11 10645 Modoc R. Bushey property, mouth of Turner Creek at the Pit River, ca. 7 miles west of Canby. 0 Comment
  CHSC85673  Aegilops cylindrica J. Moreo 2002-6-24 1151611 Modoc Jasper Ranch, Willow Ranch, near New Pine Cr, Oregon. Comment
  UC711880  Agastache parvifolia Roxana S. Ferris and Laura Lorraine 1941-8-13 10535 Modoc (East Creek drainage) Patterson Ranger Station (Warner Mountains); Modoc National Forest, Warner Mts, (East Creek drainage) 2164 Comment
  RSA520459  Agastache urticifolia K. Paulson, R. Paulson 1989-7-2 166 Modoc Happy Camp Lookout. 1851 Comment
  CAS-BOT-BC15645  Ageratina occidentalis Bruce Bartholomew; Barrett Anderson 1988-7-22 4479 Modoc Vicinity of East Creak Trailhead, southern end of the Warner Mts. 2210 Comment
  JEPS18576  Ageratina occidentalis F. H. Frost 1925-7-20 91 Modoc 2 mi above Cedarville; Cedar Camp 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-BC15523  Agoseris X dasycarpa Bruce Bartholomew; B. Anderson 1988-7-22 4492 Modoc Vicinity of East Creek Trailhead, southern end of Warner Mountains 2210 Comment
  RSA323627  Agoseris heterophylla A. Tiehm 1984-7-30 8830 Modoc 8.9 road miles NE of Ft. Bidwell on the main road to Adel, just past the road summit. 1616 Comment
  HSC4605  Agoseris monticola M. T. Milligan 1965-6-26 333 Modoc N end Jess Valley. 1616 Comment
  CAS-BOT-BC13178  Agoseris monticola Annie M. Alexander; Louise Kellogg 1946-7-18 5015 Modoc Near Benton Meadow, Warner Mountains 2072 Comment
  CAS-BOT-BC13217  Agoseris monticola Robert J. Weatherby 1955-7-8 1617 Modoc 7 miles N of Ft. Bidwell, northern Warner Mountains 1874 Comment
  UC449593  Agoseris parviflora M. F. Gilman 629 Modoc Comment
  CAS-BOT-BC242304  Agropyron cristatum Bruce Bartholomew 1990-6-18 5364 Modoc S side of Goose Lake, ca. 5 km SSE of McGinty Point. 1400 Comment
  CHSC112050  Agropyron cristatum subsp. pectinatum Lowell Ahart; John Dittes 2012-7-11 18346 Modoc About 1/2 mile southeast of the Pilot Butte Parking Lot, north edge of Ash Creek floodplain, about 1.5 miles (air) south of County Road 87, about 7.5 miles (air) west of Adin, about 10.2 miles (air) east of Lookout, Big Valley. 1260 Comment
  SDSU728  Agropyron inerme D. F. Howe 1966-8-25 4299 Modoc Fandango Pass, Warner Mts. 1859 Comment
  UC1137134  Agrostis alba August L. Hormay 1932-7-15 Modoc Crowder Ranger Stationi Modoc National Forest, Crowder Ranger Station Comment
  JEPS124362  Agrostis capillaris Lowell Ahart, John Dittes 2015-7-16 20371 Modoc Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. Comment
  CAS-BOT-BC242425  Agrostis exarata Leland S. Smith 1917-7-24 124 Modoc Joseph Creek. 1584 Comment
  CHSC85406  Agrostis exarata John Dittes; Josephine Guardino 1991-8-23 456 Modoc Modoc Plateau; Warner Mountains; southwest edge of Dismal Swamp; ca. 7.4 air-miles east by southeast of Goose Lake State Recreation Area, ca. 0.7 air-miles south of Oregon border, ca. 3.3 air-mile northwest of summit of Bidwell Mtn. Meadow. 2209 Comment
  SJSU9610  Agrostis exarata W. Savage 1979-7-6 1387 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  CHSC115513  Agrostis gigantea Lowell Ahart; John Dittes 2015-7-16 20370 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
  UC711820  Agrostis scabra Roxana S. Ferris and Laura Lorraine 1941-8-13 10567 Modoc about 1 mi e Patterson Ranger Station (East Creek); Modoc National Forest, Warner Mountains, East Creek Comment
  UCD32679  Agrostis stolonifera Beecher Crampton 1954-7-6 2086 Modoc Modoc County, 4 miles north Likely, flat along US highway 395. Comment
  CAS-BOT-BC242416  Agrostis variabilis Louis Cutter Wheeler 1935-8-16 3873 Modoc Dismal Swamp. 2225 Comment
  RSA534559  Aliciella leptomeria Bruce Bartholomew 1991-6-22 5849 Modoc E side of Surprise Valley, 9.6 km E of Eagleville at the Nevada border 1520 Comment
  RSA520445  Aliciella micromeria Bruce Bartholomew 1990-6-17 5336 Modoc Surprise Valley, Se corner of Upper Alkali Lake. 1390 Comment
  CAS-BOT-BC238449  Alisma gramineum Herbert L. Mason 1955-8-13 14653 C Modoc South end of Goose Lake. Comment
  CAS-BOT-BC245221  Alisma gramineum Herbert Louis Mason 1955-8-13 14653 A Modoc SW side of Goose Lake. Comment
  UC985666  Alisma gramineum Herbert L. Mason 1947-8-15 13557 Modoc spring feeding into w side Goose Lake (11 mi from Davis Creek) Comment
  UC985643  Alisma plantago-aquatica Verne Grant and Irving Schneider 1947-7-22 8138 Modoc n of Alturas (by State Quarantine Station, Highway 395); North Fork of Pit River Comment
  HSC65393  Alisma triviale Thomas Wood 1979-8-8 224 Modoc 1.2 mi. S and then W of Ft. Bidwell, along Hwy. 1, S of road, at edge of creek 1372 Comment
  CAS-BOT-BC445446  Alisma triviale Robert F. Thorne; J. Henrickson; C. W. Tilforth 1969-9-4 39088 Modoc Margin of N Fork of Pit River 3.4 mi N of Alturas where crossed by Hwy 395 1341 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-BC245005  Allium acuminatum K. Paulson; Robert Paulson 1989-6-14 137 Modoc Junction of Hwy 299 and Hwy 395 at turn off to Cedar Pass. 1371 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-BC245022  Allium acuminatum Bruce Bartholomew; Barrett Anderson 1988-6-25 4397 Modoc Ryan Canyon, N of Adin. 1390 Comment
  CAS-BOT-BC459426  Allium acuminatum Roxana S. Ferris; Rena Duthie 1919-6-13 31 Modoc at base of Warner Mts above Parker Creek. Comment
  SEINET12048088  Allium acuminatum Unknown 1945-1 Modoc Comment
  SEINET8111958  Allium acuminatum M. J. Williams 1969-1 Modoc Comment
  CAS-BOT-BC244999  Allium amplectens E. S. Willits 1940-6-5 322 Modoc Canby. Comment
  UCD141838  Allium amplectens L. K. Mann; M. D. Mann 1963-6-18 s.n. Modoc 4.6 miles north of Adin toward Alturas. 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
  CAS-BOT-BC244995  Allium bisceptrum var. bisceptrum Leland S. Smith 1920-7-31 1190 Modoc Patterson Mill. 2133 Comment
  JEPS2714 Image available Allium fimbriatum var. fimbriatum Mrs. R. M. Austin 1894-5-1 Modoc Goose Lake Valley 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-BC244960  Allium platycaule G. D. Hanna; M. M. Hanna 1956-6-1 s.n. Modoc Cedar Pass. Comment
  CAS-BOT-BC244977  Allium platycaule John H. Hatton 1911-6-13 68 Modoc Rush Creek. 1371 Comment
  RSA27874  Allium platycaule C. L. Hitchcock 1940-5-27 6667 Modoc 15 miles northeast of Alturas. 1616 Comment
  SBBG862  Allium platycaule H. and M. Dearing 1939-6-9 3619 Modoc near Squaw Peak, Warner Mtns 2133 Comment
  UC593510  Allium platycaule E. B. Babcock, G. L. Stebbins Jr. 1936-6-9 1823 Modoc about 3 mi w Cedarville; Warner Mountains, Cedar Creek Canyon Comment
  UC635212  Allium platycaule R. C. Wilson 1933-5-30 93 Modoc Rush Creek 1432 Comment
  CAS-BOT-BC474063  Allium platycaule Mrs. R. M. Austin; Bruce 1898-7-1 2227 Modoc Hugh Mts, Warner range Comment
  RSA304134  Allium platycaule James R. Shevock 1972-5-20 1807 Modoc West of Alturas, highway 299. 1372 Comment
  CAS-BOT-BC244956  Allium tolmiei var. tolmiei Bruce Bartholomew; M; M. Gilbert; L. E. Skog 1993-5-13 6531 Modoc Just W of Forest Service on Parker Creek Road between Alturas and Pepperdine. 1520 Comment
  CAS-BOT-BC190747  Allophyllum gilioides subsp. gilioides Bruce Bartholomew 1995-5-12 6899 Modoc Near NE side of Day Rock above Little Hot Spring Valley. 1310 Comment
  CAS-BOT-BC242346  Alopecurus aequalis Leland S. Smith 1918-6-22 942 Modoc Willow Creek below Ranger Station. 1676 Comment
  JEPS119858  Alopecurus carolinianus Lowell Ahart, John Dittes 2012-7-12 18357 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
  CHSC99775  Alopecurus geniculatus Lowell Ahart; John Dittes 2008-6-21 14997 Modoc On wet soil in the drying pond, north of the large culvert, east of the large levee, mountain meadow, in Big Valley, about 2.8 miles (air) northeast of the Headquarters at Ash Creek State Wildlife Area, about 5.4 miles (air) northeast of Bieber. 1255 Comment
  UC60733  Alopecurus geniculatus M. S. Baker and Frank Nutting 1894-6-25 Modoc Little Hot Spring Valley Comment
  CDA18403  Alopecurus pratensis G. D. Barbe, P. Hiatt & M. Keffer 1980-6-4 2803 Modoc Modoc Plateau; Eastside Canal/ Railroad crossing on Westside Road, north of Likely. 1341 Comment
  CHSC112687  Alopecurus pratensis Lowell Ahart; John Dittes, Todd Sloat 2013-6-8 18768 Modoc Meadow, about 100 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
  SEINET10481947  Alyssum alyssoides Jeffrey Huber 1971-6-3 Huber 101 Modoc 5 mi s of canby on state hwy 299, lupinus heavily carpeting hillsides of large basaltic boulders, sparse juniper, artemisia, purshia, poa association. 1280 Comment
  RSA488569  Alyssum minus Bruce Bartholomew, B. Anderson 1988-5-13 4179 Modoc Juniper Flats, 10 km E of Likely on road to Jess Valley, W side of the Warner Mtns. 1450 Comment
  CAS-BOT-BC58602  Alyssum simplex L. D. White 1967-5-26 Modoc Fandango Pass, Warner Mts. Comment
  SEINET5340079  Alyssum simplex M. J. Williams 1988-5-28 88- 19 -4 Modoc Hwy 395, intersection with Davis Creek road. Comment
  UC1585856  Alyssum simplex Barbara Ertter 1988-6-18 7607 Modoc w. side hwy 139 just s. of where it crosses railroad at jct to Clear Lake (n.e. of Dry Lake, e. of Lava Beds National Monument) 1249 Comment
  SEINET200136 Image available Amaranthus californicus Unknown 1947-7-10 13326 Modoc Dorris Reservoir, 2 miles east of Alturas Comment
  CAS-BOT-BC21492  Amaranthus powellii Bruce Bartholomew; Barrett Anderson 1990-7-21 5558 Modoc W edge of Middle Alkali Lake, directly E of Cedarville, Surprise Valley. 1370 Comment
  RSA210861  Amaranthus powellii R. F. Thorne, J. Henrickson, C. W. Tilforth 1969-9-3 39026 Modoc SE end of Tule Lake Sump 0.5 miles N of turnoff to Lava Beds National Monument, (2.2 miles E of NE entrance to monument) 1265 Comment
  RSA59866  Amelanchier pallida E. K. Balls 1950-5-11 14611 Modoc West of Middle Lake, between Eagleville and Cedarville. 1433 Comment
  CAS-BOT-BC214639  Amelanchier utahensis Bruce Bartholomew; Barrett Anderson 1988-6-24 4315 Modoc Road beyond Poison Lake ca. 8 km S of the road from U.S. Highway 395 to Lily Lake, Warner Mts.. 2130 Comment
  CAS-BOT-BC217083  Amelanchier utahensis A. D. Borden 1911-5-20 s.n. Modoc Sugar Hill Comment
  CAS-BOT-BC217087  Amelanchier utahensis Roxana Stinchfield Ferris; R. Duthie 1919-6-15 138 Modoc Below Modoc Nat. Forest Boundary along Parker Creek. Comment
  CAS-BOT-BC217096  Amelanchier utahensis R. M. Austin 1894-1-1 s.n. Modoc Modoc County. Comment
  UCSB18015  Amelanchier utahensis Haller, John 1962-6-8 Modoc Slopes adjacent to South Fork of the Pit River, near Little Meadows Campground, Likely-Eagleville Road about 8 miles East of Likely, Warner Mountains 1584 Comment
  HSC3507  Amsinckia intermedia M. T. Milligan 1964-6-20 73 Modoc 1 mi. E of Hwy. 395 on Hwy. 299 1524 Comment
  CAS-BOT-BC54153  Amsinckia menziesii Alice Eastwood; John Thomas Howell 1940-6-13 8161 Modoc Fort Bidwell. Comment
  CAS-BOT-BC54156  Amsinckia menziesii Elmer Ivan Applegate 1929-6-25 5908 Modoc Willow Ranch, Goose Lake. Comment
  CAS-BOT-BC54194  Amsinckia menziesii John Thomas Howell 1934-6-12 12005 Modoc Davis Creek. Comment
  CAS-BOT-BC54198  Amsinckia menziesii John Thomas Howell 1934-6-16 12211 Modoc Parker Creek, Warner Mountains 1584 Comment
  CHSC112818  Amsinckia menziesii Lowell Ahart; John Dittes 2013-7-25 18952 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
  CHSC117139  Amsinckia menziesii Lowell Ahart; John Dittes 2016-7-14 21159 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) dwest of Adin, Big Valley. 1273 Comment
  UC1094062  Amsinckia menziesii var. menziesii Francia Chisaki 1956-5-31 890 Modoc junction of Hwy #395 and Main Street (field behind the gas station); Cedarville Comment
  CAS-BOT-BC54170  Amsinckia tessellata var. tessellata John Thomas Howell 1934-6-16 12214 Modoc Parker Creek, Warner Mountains 1584 Comment
  UC134195  Anaphalis margaritacea Mrs. R. M. Austin 1894-8-1 90 Modoc springs at Sugar Loaf Hills Comment
  HSC4653  Antennaria argentea M. S. Baker 1893-1 Modoc Egg Lake Comment
  UC748335  Antennaria argentea Annie M. Alexander and Louise Kellogg 1946-6-17 4785 Modoc Cedar Pass Road 1767 Comment
  UC1037296  Antennaria dimorpha Leo Whitney 1934-5-19 1653 Modoc Devil's Garden, (ne portion of county) Modoc National Forest 1524 Comment
  JEPS14940  Antennaria geyeri L. S. Smith 1924-1-1 1407 Modoc Comment
  SEINET6735128 Image available Antennaria geyeri M. S. Baker 1893-1 s.n. Modoc Egg Lake Comment
  CAS-BOT-BC15597  Antennaria luzuloides E. S. Willits 1940-5-6 229 Modoc Davis Creek. Comment
  CHSC117867  Antennaria luzuloides subsp. luzuloides L. P. Janeway 2016-5-16 11978 Modoc Modoc Plateau. Devils Garden area; along Road 47N07 1.8 road-km south of Road 181/73/47N09. 1573 Comment
  CHSC66984  Antennaria luzuloides subsp. luzuloides James D. Jokerst 1987-5-11 2836 Modoc Radar Survey site S of Doublehead Mtn., S of Clear Lake Reservoir, W of dry lake, ca. 0.33 mi to end of dirt road, then ca. 200 ft. N. 1353 Comment
  CAS-BOT-BC15560  Antennaria rosea subsp. rosea John Thomas Howell 1934-6-11 11967 Modoc Parker Creek. 1584 Comment
  CHSC112047  Apera interrupta Lowell Ahart; John Dittes 2012-7-10 18324 Modoc On dry soil, along the south side of the drainage, northwest of the old homestead, Ash Creek State Wildlife Area, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  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
  JEPS114837  Apera interrupta Lowell Ahart, John Dittes 2008-6-21 14995 Modoc On damp soil, along the edge of the dying pond, north of the large culvert, east side 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 1255 Comment
  CHSC31499  Aphyllon purpureum N. E. H. Prouty 1980-8-6 212 Modoc Modoc Nat. Forest. Meadow on southern bank of North Fork Pine Creek. 1524 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
  RSA520458  Apocynum androsaemifolium K. Paulson, R. Paulson 1989-7-2 167 Modoc N side of Pit River ca. 3 mi. E of County Rte. 91. 1579 Comment
  UC22906  Apocynum androsaemifolium Baker July, 1893 Modoc Comment
  UC1191811  Apocynum cannabinum Verne Grant and Irving Schneider 1947-7-21 8120 Modoc N. Fork Pit R. by bridge on Hwy. 395 n. of Alturas; N. Fork Pit R. Comment
  POM99712  Aquilegia formosa R. M. Austin 1895-07 437 Modoc Willow Creek (Devils Garden) Comment
Read comments
Jul 11 2010
  UC8987  Aquilegia formosa Mrs. R. M. Austin and Bruce 1898-7-1 2296 Modoc Ross Canyon Comment
Read comments
May 13 2013
  HSC18038  Aquilegia formosa var. formosa M. T. Milligan 1964-7-4 217 Modoc Lassen Creek above lower campground 1829 Comment
  HSC80753  Aquilegia formosa var. formosa G. M. Riegel 1980-8-13 1059 Modoc South Warner Mountains 2100 Comment
  POM299319  Aquilegia formosa var. truncata F. Payne 1901-6-21 217 Modoc Warner Mts, Ridge SW Kerry Creek. 1982 Comment
  UC10127  Arabis glabra Milo S. Baker 1893-6-24 Modoc near Pit River Comment
  NY639749  Arabis puberula M. J. Williams 1988-5-30 8826- 4 Modoc Jess Valley, east of Likely, south of roadside rest 1524.0 Comment
  RSA152602  Arabis puberula I. L. Wiggins, Dorothy Wiggins 1961-6-12 16378 Modoc At junction of Cedar Pass road with California Highway 299, 5.5 miles N of Alturas. Comment
  NY119572  Arabis sparsiflora G. Schoolcraft 1981-5-6 380 Modoc Northeast of Alturas 1554.5 Comment
  CAS-BOT-BC46710  Arctostaphylos patula Walter Knight; Irja Knight 1981-5-25 4110 Modoc On White House Road enroute to Egg Lake from Lookout. 1249 Comment
  POM77169  Arctostaphylos patula Mrs. R. M. Austin 1895-08 506 Modoc Willow Creek (Devils Garden). Comment
Read comments
Nov 26 2011
  CAS-BOT-BC95659  Arctostaphylos patula G. D. Hanna; M. M. Hanna 1956-6-6 Modoc Glass Mountain Comment
  UC21879  Arctostaphylos patula Milo S. Baker 1893-6 Modoc mountain sides Comment
  UC51493  Arenaria aculeata Frances D. Payne 1932-6-26 602 Modoc s and e Alturas (High ridges north of Parker Creek); Warner Mountains, Parker Creek 1828 Comment
  UC1037297  Arenaria congesta var. subcongesta Leo Whitney 1934-5-13 1652 Modoc Devil's Garden, Modoc National Forest Devil's Garden, Modoc National Forest (northeast portion of country) 1584 Comment
  JEPS35884  Arnica Leland S. Smith c. 1918 1076 Modoc Modoc National Forest Comment
  UC748079  Arnica chamissonis Annie M. Alexander and Louise Kellogg 1946-7-13 4990 Modoc Cowhead Lake Comment
  JEPS35871  Arnica chamissonis Frances D. Payne 1931-6-29 295 Modoc e of Warren Peak; Owl Creek, Warner Mts. 2133 Comment
  UCD149890  Arnica chamissonis Harry A. George 1967-6-15 s.n. Modoc Whitehorse Flat Reservoir. Comment
  CAS-BOT-BC15417  Arnica cordifolia Mrs. H. C. Cantelow 1940-6-1 s.n. Modoc Cedar Pass, Warner Mtns. at the summit. E. of Alturas Comment
  JEPS120508  Arnica cordifolia B. Castro and L. P. Janeway 2012-7-24 1949 Modoc Warner Mountains. Flat ridgetop near Sunshine and Moonlight Mines, along Road 48N21 ca 1 air mi SW of Dismal Swamp. Comment
  POM203854  Arnica cordifolia J. T. Howell 1934-6-13 12064 Modoc Fandango Pass, Warner Mountains. 1829 Comment
  UC71559  Arnica cordifolia Mrs. M. H. Manning 1904-7-1 250 Modoc Mt. Bidwell, (ne Modoc County) Mt. Bidwell Comment
  CAS-BOT-BC15402  Arnica cordifolia John H. Hatton 1911-6-13 65 Modoc Rush Creek Canyon. 1280 Comment
  CAS-BOT-BC15282  Arnica longifolia Leland S. Smith 1917-8-3 147 Modoc South Fork Davis Creek. 2042 Comment
  HSC81149  Arnica longifolia G. M. Riegel 1980-8-7 1011 Modoc S Warner Mtns. 2100 Comment
  JEPS35868  Arnica longifolia W. L. Jepson 1918-8-13 7974 Modoc Eagle Peak Warner Mountains, Eagle Peak 3017 Comment
  JEPS35880  Arnica longifolia Leland S. Smith 1918-8-18 1041 Modoc Eagle Peak Ridge (s end) Eagle Peak Ridge, North Emerson Lake 2682 Comment
  SEINET6775095 Image available Arnica mollis L. Kellogg, A. M. Alexander 1946-7-23 5055 Modoc Emerson Peak, Warner Mountains Comment
  HSC81048  Arnica parryi G. M. Riegel 1979-7-31 610 Modoc South Warner Mountains 1829 Comment
  CAS-BOT-BC15252  Arnica sororia Francis Dorris Payne 1932-6-26 606 Modoc Parker Creek. 1828 Comment
  CAS-BOT-BC15299  Arnica sororia Arnold Tiehm 1984-6-30 8837 Modoc NW side of Bidwell Mt., 2.2 road mi. N of Eight Mile Creek on road from Lake Annie. 1844 Comment
  SEINET3096630 Image available Arnica sororia Alice Eastwood, John Thomas Howell 1940-6-12 8088 Modoc Jess Valley Comment
  SJSU9608  Arnica sororia W. Savage 1979-7-7 1468 Modoc Triangle, Devils Garden District, Modoc National Forest 1493 Comment
  JEPS120119  Arrhenatherum elatius Lowell Ahart, John Dittes 2012-7-10 18309 Modoc Northeast of the old homestead, Ash Creek State Wildlife Area, about 3.2 miles (air) west of Adin, about 8.4 miles (air) northeast of Bieber, Big Valley. Comment
  CHSC65617  Artemisia arbuscula J. Ingraham 1995-4-10 1 Modoc 1 mi N of Davis Creek on Hwy. 395, 300 yds E of the junction of Co. Rd. 133B and Hwy 395, 100 yds E off Co. Rd. 133B. 1487 Comment
  HSC81046  Artemisia arbuscula subsp. arbuscula G. M. Riegel 1980-7-23 928 Modoc S Warner Mtns. 1739 Comment
  CHSC67334  Artemisia cana subsp. bolanderi J. D. Jokerst 1986-8-11 2759 Modoc Radar Site Survey S of Doublehead Mtn., S of road to Doublehead Mtn. Comment
  HSC100342  Artemisia cana subsp. bolanderi Chris Boever 2010-8-11 370115 Modoc North from Cedarville, CA to Fort Bidwell, 13 miles up the Lake Annie road, East side of road. 1602 Comment
  UCR67454  Artemisia douglasiana George K. Helmkamp 1990-9-23 I- 17 Modoc Warner Mtns, Goose Lake, within 0.1 mi of the Oregon border 1476 Comment
  HSC81039  Artemisia ludoviciana subsp. incompta G. M. Riegel 1980-8-21 1094 Modoc South Warner Mountains 2100 Comment
  HSC81040  Artemisia ludoviciana subsp. incompta G. M. Riegel 1980-8-13 1060 Modoc South Warner Mountains 2100 Comment
  JEPS6002  Artemisia ludoviciana subsp. incompta Frances D. Payne 1933-8-6 776 Modoc 2 mi. sw. Warren Mountain (southwestern Modoc County); Pine Creek Basin 2316 Comment
  CAS-BOT-BC15271  Artemisia ludoviciana subsp. ludoviciana Bruce Bartholomew 1989-8-12 5133 Modoc Deep Creek, E side of Warner Mountains. 1620 Comment
  CHSC105977  Artemisia ludoviciana subsp. ludoviciana Lowell Ahart; John Dittes 2010-8-30 17050 Modoc High bank of a small wash, about 10 yards west of the fence, south edge of the meadow, Ash Creek State Wildlife Area, 2300 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  RSA0039540  Artemisia ludoviciana subsp. ludoviciana Lowell A. Ahart, John Dittes 2008-8-25 15278 Modoc On the west bank of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout. 1273 Comment
  CDA19675  Artemisia tridentata G. D. Barbe 1991-8-27 4439 Modoc Modoc Plateau; Warner Mts 2316 Comment
  CAS-BOT-BC15213  Artemisia tridentata subsp. tridentata Doris K. Kildale 1926-9-11 2770 Modoc Between Alturas and Marlin, Oregon. 1371 Comment
  CDA13469  Artemisia tridentata subsp. tridentata G. F. Hrusa, T. D. Wilfred 1996-7-21 13316 Modoc Modoc Plateau; Pit River at Modoc Co. Rd. 90 bridge. E base of Splawn Mtn. N end of Big Valley. Comment
  CAS-BOT-BC15699  Asclepias cordifolia Bruce Bartholomew; Barrett Anderson 1988-7-21 4463 Modoc Vicinity of Patterson Campground, southern end of the Warner Mts. 2190 Comment
  CAS-BOT-BC15652  Asclepias cordifolia Leland S. Smith 1398 Modoc Modoc County. Comment
  SEINET11262208  Asclepias fascicularis Margaret J. Williams 1985-8-13 85- 66 -1 Modoc Big Sage Reservoir. N.W. of Alturas.; 0 1524 Comment
  POM76170  Asclepias fascicularis Mrs. R. M. Austin s.n. Modoc Goose Lake Valley Comment
  POM312625  Asperugo procumbens H. L. Mason, Verne Grant 1947-7-12 13416 Modoc Near south end of west side road, Pit River Valley, south of Alturas. Comment
  UC1191653  Asperugo procumbens Herbert L. Mason and Verne Grant 1947-7-12 13416 Modoc s. of Alturas (Pit R. Valley near s. end of w. side of rd.); Pit R. Valley Comment
  RSA210866  Aster eatonii R. F. Thorne, C. W. Tilforth 1969-9-4 39047 Modoc Along N Fork of Pit River, 11.8 miles N of Alturas along Highway 395. 1372 Comment
  HSC71397  Astragalus californicus J. P. Smith, J. O. Sawyer 1972-5-6 5271 Modoc Along Hwy. 299, 4 mi. W of Modoc County Rd. 58, E of Alturas 1494 Comment
  CAS-BOT-BC218210  Astragalus canadensis var. brevidens C. C. (Mrs.) Bruce 1897-8-1 2213 Modoc Lake shore. Comment
  POM16274  Astragalus carinatus M. S. Baker 1893-1 128 Modoc Egg Lake Comment
  RSA111042  Astragalus curvicarpus H. D. Ripley, R. C. Barneby, F. C. Ripley Jr. 1949-6-1 6033 Modoc Foothills of Warner Mts. W of C edarville. Alt. 4900 ft. Comment
  SJSU9635  Astragalus curvicarpus var. curvicarpus W. Savage 1979-7-7 1456 Modoc Triangle, Fairchild Swamp Unit, Devils Garden District, Modoc National Forest 1508 Comment
  UC727152  Astragalus curvicarpus var. curvicarpus A. A. Heller 1938-6-24 15225 Modoc on banks along U.S. Highway #299 between Alturas and Canby; between Alturas and Canby 1341 Comment
  CAS-BOT-BC182072  Astragalus filipes Gordon H. True 1964-6-3 1430 Modoc Surprise Valley, 10 mi. N of Cedarville. 1463 Comment
  CAS-BOT-BC182073  Astragalus filipes James D. Jokerst 1983-5-31 1805 Modoc Near Signal Butte. 1340 Comment
  CAS-BOT-BC182961  Astragalus filipes H. D. Ripley; R. C. Barneby 1944-5-31 5993 Modoc Mesa N.-W. of Alturas 1371 Comment
  NY658498  Astragalus filipes C. L. Hitchcock 1940-5-27 6650 Modoc 9 miles Northeast of Alturas 1402.1 Comment
  UC1539989  Astragalus filipes M. Mitchell 1936-5-21 50 Modoc 2 mi se Hospital Rock (Lava Beds National Monument); , se of Hospital Rock 1249 Comment
  UC585106  Astragalus filipes E. B. Babcock, G. L. Stebbins Jr. 1936-6-9 1799 Modoc hill above Lake City; hill above Lake City 1524 Comment
  JEPS54662  Astragalus filipes L. S. Smith 1918-1 Modoc Warner Mts. Comment
  NY658503  Astragalus filipes A. A. Heller 1938-6-24 15226 Modoc On U.S. Highway 299, between Alturas and Caby 1341.1 Comment
  UC748310  Astragalus filipes Annie M. Alexander and Louise Kellogg 1946-6-12 4743 Modoc e side Fandango Pass Road; Fandango Pass Road e side Comment
  UC862723  Astragalus filipes A. A. Heller 1938-6-24 15226 Modoc on U.S. Highway #299 between Alturas Canby; between Alturas and Canby 1341 Comment
  UCD150428  Astragalus filipes Harry A. George 1966-6-2 s.n. Modoc Davis Creek, Lakeside Ranch. Comment
  CAS-BOT-BC182060  Astragalus inversus Bruce Bartholomew; Barrett Anderson 1988-6-23 4237 Modoc 2.1 km SSE of Day on the road to State Highway 299. 1020 Comment
  UC81353  Astragalus lentiginosus var. chartaceus Mrs. R. M. Austin June, 1894 253 Modoc shores Goose Lake; shores of Goose Lake Comment
  CAS-BOT-BC182056  Astragalus lentiginosus var. platyphyllidius James D. Jokerst 1983-5-31 1803 Modoc Near Signal Butte. 1340 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-BC182030  Astragalus purshii M. M. Hanna 1956-6-5 964 Modoc Cedar Pass Road. Comment
  CHSC67107  Astragalus purshii var. tinctus James D. Jokerst 1987-5-12 2849 Modoc Radar Survey Site S of Doublehead Mtn., N end of central sector, NE of road. Comment
  NY694437  Astragalus purshii var. tinctus B. M. Bartholomew 1993-5-10 6466 Modoc Below Emerson Campground, east side of Warner Mountains 1710 Comment
  UC1128888  Astragalus whitneyi var. confusus R. C. Wilson 1933-6-4 37 Modoc Rush Creek Modoc National Forest, Canby Quadrangle Comment
  RSA0006885  Astragalus whitneyi var. confusus H. D. Ripley, R. C. Barneby 1944-5-31 5992 Modoc NW of Alturas. 1372 Comment
  CAS-BOT-BC181992  Astragalus whitneyi var. lenophyllus M. Vasey 1990-6-29 9023 Modoc Along North Emerson Trail, near pass. South Warner Wilderness. 2377 Comment
  CAS-BOT-BC181993  Astragalus whitneyi var. lenophyllus Bruce Bartholomew; Mona Bourell 1990-4-28 5202 Modoc 1.9 km SE of Rush Creek on road up Hunters Ridge. 1430 Comment
  CAS-BOT-BC182001  Astragalus whitneyi var. lenophyllus Elmer Ivan Applegate 1897-6-2 891 Modoc Pit River valley S of Alturas. Comment
  CAS-BOT-BC182008  Astragalus whitneyi var. lenophyllus Bruce Bartholomew 1989-7-14 4924 Modoc Along Rush Creek between Lower and Upper Rush Creek Campgrounds. 1580 Comment
  CAS-BOT-BC30205  Athyrium filix-femina subsp. cyclosorum Milo Samuel Baker; Franklin P. Nutting 1894-9-5 s.n. Modoc Near Forestdale. Comment
  CAS-BOT-BC17522  Athysanus pusillus B. Bartholomew; M. Gilbert; L. E. Skog 1993-5-11 6486 Modoc Near southeast corner of Big Sage Reservoir, 5.3 km east of Crowder Flat Road. 1580 Comment
  CAS-BOT-BC58462  Athysanus pusillus Francis Dorris Payne 1932-6-10 529 Modoc Parker Creek. 1584 Comment
  UC71682  Athysanus pusillus Mrs. M. H. Manning May, 1903 104 Modoc Mount Bidwell, in north-eastern Modoc County Mount Bidwell 1524 Comment
  UC1494952  Athysanus pusillus Reed C. Rollins and Kathryn W. Rollins 1981-6-1 81189 Modoc Cedar Summit between Alturas and Cedarville (off Cal. Hwy. 299); Cedar Summit 1889 Comment
  CHSC106320  Atriplex argentea var. argentea Lowell Ahart; John Dittes 2010-8-31 17137 Modoc About 400 yards west of Elkins Lane and the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  CAS-BOT-BC95506  Atriplex confertifolia Bruce Bartholomew; Barrett Anderson 1989-4-29 4707 Modoc SW corner of Lower Lake, 1.8 km N of the Lassen County line, Surprise Valley. 1370 Comment
  POM312955  Azolla filiculoides Herbert L. Mason 1947-8-12 13503 Modoc Junction of North and South forks of Pit River, Alturas. Comment
  UC1101612  Azolla filiculoides Herbert L. Mason 1947-8-12 13503 Modoc juction of N and S forks of Pit River Altura Comment
  RSA639346  Azolla filiculoides Louis Cutter Wheeler 1935-9-29 4013 Modoc Two miles south of Alturas 1357 Comment
  CAS-BOT-BC218199  Balsamorhiza hookeri F. Angwin 1946-5-16 s.n. Modoc Big Valley near Adin 1280 Comment
  CAS-BOT-BC15183  Balsamorhiza hookeri var. lanata Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-11 6483 Modoc 5.6 km N of State Hwy 299 on Crowder Flat Road. 1580 Comment
  CAS-BOT-BC15186  Balsamorhiza hookeri var. lanata Francis Dorris Payne 1929-6-23 20 Modoc Parker Creek. 1584 Comment
  CAS-BOT-BC15194  Balsamorhiza hookeri var. lanata Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-13 16474 Modoc 2.4 mil. S of Village of Davis Creek, SE side of Goose Lake Comment
  CAS-BOT-BC15198  Balsamorhiza sagittata R. M. Austin 1898-6-1 2161 Modoc Goose Lake Valley Comment
  CAS-BOT-BC106461  Balsamorhiza sagittata John H. Hatton 1911-6-10 15 Modoc Modoc National Forest 1767 Comment
  HSC5182  Balsamorhiza sagittata R. C. Wunner 1965-6-20 224 Modoc California Lava Beds National Monument; Indian Well near main residence area 1433 Comment
  SEINET3141609  Balsamorhiza sagittata E. K. Balls 1950-5-10 15966 Modoc .5 mi. E past fork on Hwy. 395 & rd. rom Alturas 1585 Comment
  UC748328  Balsamorhiza sagittata Annie M. Alexander and Louise Kellogg 1946-6-10 4720 Modoc between Lower and Snake lakes Comment
  CAS-BOT-BC383142  Balsamorhiza serrata Andrew Townesmith; Karen M. Meyer 2007-9-15 929 Modoc Modoc National Forest, Warner Mountain Ranger District. Along state route 299, 10.9 miles west of junction with US route 395. At Cedar Pass 1928 Comment
  RSA60231  Balsamorhiza serrata E. K. Balls 1950-5-13 14672 Modoc West shore of Goose Lake, 0.5 mile south of Oregon-California State line. 1463 Comment
  SEINET10757887  Balsamorhiza serrata Andrew Townesmith, Karen M. Meyer 2007-9-15 Townesmith 929 Modoc Modoc National Forest, Warner Mountain Ranger District. Along state route 299, 10.9 miles west of junction with US route 395. At Cedar Pass. T43N R15E S28 SW 1/4. 1928 Comment
  CAS-BOT-BC58629  Barbarea orthoceras Bruce Bartholomew; Barrett Anderson 1989-6-3 4866 Modoc Quaking Aspen Spring, between Goose Lake and Clear Lake Reservoir. 1500 Comment
  JEPS53241  Barbarea orthoceras Frances D. Payne 1931-6-25 252 Modoc 2 mi sw Warren Mt. (se Modoc County); Pine Creek Basin 2316 Comment
  RSA0059626  Barbarea orthoceras Lowell Ahart, John Dittes 2011-6-21 17518 Modoc about 130 yards west of the fence, south edge of the meadow, Ash Creek State Wildlife Area, about 2,300 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  UC615247  Barbarea orthoceras Beryl O. Schreiber 1934-6-10 1163 Modoc Lost Lake; Warner Mountains Comment
  UC71681  Barbarea orthoceras Mrs. M. H. Manning May, 1903 125 Modoc Near Fort Bidwell, in north-eastern Modoc Comment
  CDA31540  Beckmannia syzigachne T. C. Fuller 1958-7-8 1951 Modoc Likely: Corporation Ranch 0 Comment
  JEPS124361  Beckmannia syzigachne Lowell Ahart, John Dittes 2015-7-16 20372 Modoc Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. Comment
  UC472296  Berberis aquifolium var. aquifolium Milo S. Baker 1893-1 Modoc Big Valley Mts Comment
  CAS-BOT-BC54183  Berberis aquifolium var. repens Isabelo T. Kelly 1930-1-1 51 Modoc Fandango Pass, Warner Mts. Comment
  CAS-BOT-BC54186  Berberis aquifolium var. repens Bruce Bartholomew; Barrett Anderson 1989-6-1 4773 Modoc South Fork Davis Creek in the vicinity of the Plum Valley camp ground. 1720 Comment
  CAS-BOT-BC54221  Berberis aquifolium var. repens Bruce Bartholomew 1989-8-12 5122 Modoc South Fork of Pine Creek where it crosses West Warner Road, W side of Warner Mountains. 1900 Comment
  RSA98355  Berula erecta F. W. Peirson 1926-6-26 6903 Modoc between Alturas and Canby Comment
  UC71756  Betula glandulosa Mrs. M. H. Manning 1903-8-22 306 Modoc Warner Range Warner Range (ne Modoc Co.) 2133 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
  POM229933  Betula nana L. C. Wheeler 1935-8-15 3858 Modoc Warner Mountains: Dismal Swamp, Twenty Mile Creek. 2226 Comment
  POM308823  Betula occidentalis Roxana S. Ferris, Laura Lorraine 1941-8-14 10600 Modoc 8.5 miles from Patterson Ranger Station on Eagleville road. Warner Mountains. Modoc National Forest. Comment
  JEPS12355  Bidens cernua W. L. Jepson 1918-8-10 7927 Modoc Alturas 1371 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-BC218108  Bistorta bistortoides Bruce Bartholomew 1992-5-16 6329 Modoc Lunsford Spring 1600 Comment
  NY407588  Bistorta bistortoides M. S. Baker s.n. Modoc Edge of swampy meadow 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-BC15107  Blepharipappus scaber Bruce Bartholomew; Barrett Anderson 1988-6-23 4222 Modoc 2.1 km SSE of Day on the road to State Highway 299. 1020 Comment
  HSC2225  Blepharipappus scaber C. L. Hitchcock 1940-5-27 6670 Modoc 15 mi NE of Alturas 1616 Comment
  HSC41111  Blepharipappus scaber Thomas W. Nelson, Jane P. Nelson, James Nelson 1976-8-29 3258 Modoc Modoc National Forest; along Hwy. 299 just N west of Adin Pass 1524 Comment
  JEPS12362  Blepharipappus scaber N. T. Mirov 1929-6-16 Modoc 2 mi nw Fandango Valley (Buck Creek Ranger Station, n Warner Mountains); Warner Mountains 1615 Comment
  RSA508244  Blepharipappus scaber F. R. Fosberg 1957-8-18 38851 Modoc Upper Rush Creek Camp Ground, northeast of Adin. 1600 Comment
  UC1368465  Blepharipappus scaber R. K. Gierisch 1969-7-15 3541 Modoc 1524 Comment
  UCD129600  Blepharipappus scaber Jack Major 1966-6-24 s.n. Modoc above Goose Lake, west side of Fandango Pass. 1645 Comment
  RSA0125853  Boechera Milo S. Baker 1893-1 s.n. Modoc [No further location information.] Comment
  SJSU9626  Boechera californica W. Savage 1979-7-7 1440 Modoc Triangle, Fairchild Swamp Unit, Devils Garden District, Modoc National Forest 1499 Comment
  CAS-BOT-BC248345  Boechera pinetorum B. Bartholomew; H. Sun 2002-6-24 8828 Modoc Ca. 1 km NW of Bald Mt., E side of the Warner Mountains 2290 Comment
  JEPS53129  Boechera platysperma W. L. Jepson 1918-8-7 7887 Modoc Mt. Bidwell summit Mt. Bidwell 2507 Comment
  CAS-BOT-BC100298  Boechera puberula Roxana Stinchfield Ferris; R. Duthie 1919-6-14 65 Modoc Above Parker Creek, near Nat. Forest Boundary. Comment
  CAS-BOT-BC35125  Boechera puberula Leland S. Smith 1920-6-15 1200 Modoc Bieber Range. 1371 Comment
  CAS-BOT-BC58291  Boechera retrofracta Annie Montague Alexander; L. Kellogg 1946-6-27 4848 Modoc Highgrade, (top of ridge, 2 mi. by road from Dismal Swamp) N end of Warner Mts. 2377 Comment
  UCD114456  Boechera retrofracta Alan A. Beetle 1941-6-29 2819 Modoc 10 miles west of Alturas, rd. to Cedarville Pass. Comment
  CAS-BOT-BC25700  Boechera sparsiflora Mrs. H. C. Cantelow 1940-6-2 s.n. Modoc 1.7 mile west of Alturas, Klamath Falls Highway on road to Lava Beds National Monument. Comment
  CAS-BOT-BC248364  Boechera suffrutescens B. Bartholomew; H. Sun 2002-6-24 8847 Modoc E of Bald Mt., on the E side of the Warner Mountains 2170 Comment
  UC123120  Botrychium multifidum Mrs. R. M. Austin 1874-1 149 Modoc Lava Beds Comment
  UCR34687  Botrychium simplex J. A. Harpel 1981-8-6 V- 01 Modoc Warner Mtns, South Warner Wilderness Area: E end of Patterson Lake, 7 mi NW of Eagleville 2744 Comment
  NY119752  Brassica napus M. J. Williams 1988-5-28 88- 21 --1 Modoc Crowder Flat road, W of Alturas. Road leads to Devil's Garden and Big Sage Reservoir and is near Hwy. 299 Comment
  CAS-BOT-BC15094  Brickellia grandiflora Louis Cutter Wheeler 1935-8-14 3847 Modoc Lily Lake, Warner Mountains, Modoc National Forest 2072 Comment
  UC501614  Brodiaea coronaria subsp. coronaria Frank W. Peirson 1926-6-26 6910 Modoc nw of Canby; Modoc National Forest Comment
  CAS-BOT-BC242402  Bromus briziformis Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16374 Modoc Junction of Cedar Pass road and Hwy 299, 5.5 mi. N of Alturas. Comment
  CAS-BOT-BC242403  Bromus briziformis Leland S. Smith 1918-6-14 939 Modoc Buck Creek Ranger Station. 1676 Comment
  HSC80915  Bromus briziformis G. M. Riegel 1980-6-30 789 Modoc S Warner Mtns. 1739 Comment
  HSC9116  Bromus briziformis M. T. Milligan 1966-7-1 408 Modoc W of Jess Valley 1829 Comment
  JEPS73957  Bromus briziformis Frances D. Payne 1932-7-3 591 Modoc s and e of Alturas (Warner Mountains, Parker Creek); Warner Mountains, Parker Creek 1584 Comment
  SJSU9580  Bromus briziformis W. Savage 1979-7-4 1340 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  UCD32701  Bromus briziformis Beecher Crampton 1954-7-6 2119 Modoc Modoc County, Road 56, following Shields Creek into Warner Mountains, 22 miles east of Alturas. Comment
  UCD57494  Bromus briziformis Beecher Crampton; Carl Rimbey 1954-7-6 2103 Modoc 20 miles E of Alturas. Warner Mountains. Above Shields Creek. Comment
  SEINET4344989  Bromus briziformis M. J. Williams 1969-6-14 s.n. Modoc Jess Valley 1524 Comment
  UC1024964  Bromus carinatus var. carinatus Leo Whitney 1935-7-6 3446 Modoc Pit River near Lookout; Pit River Comment
  UCD59152  Bromus carinatus var. marginatus A. A. Beetle 1944-8-15 3032 Modoc N of Lookout Meadow near Happy Camp Ranger Station. Comment
  UCD58486  Bromus commutatus A. A. Beetle; G. L. Stebbins Jr. 1942-5-30 3374 Modoc 3.5 miles E of Adin. Comment
  UC1024777  Bromus diandrus Leo Whitney 1934-6-2 2247 Modoc 15 mi nw of Canby (Modoc National Forest, Hackamore); Modoc National Forest, Hackamore 1463 Comment
  UC1024866  Bromus diandrus Leo Whitney 1935-5-30 3160 Modoc White Horse Comment
  UC1024895  Bromus diandrus Leo Whitney 1935-5-23 3119 Modoc 15 mi nw of Canby (Hackamore, Modoc National Forest, Lake Joaquina); Hackamore, Modoc National Forest, Lake Joaquina 1463 Comment
  HSC9229  Bromus hordeaceus M. T. Milligan 1965-6-23 308 Modoc N end Jess Valley 1616 Comment
  HSC93546  Bromus inermis G. Fred Hrusa, T. D. Wilfred 1996-7-21 13310 Modoc Along Pit River at Rd. 90 bridge, E base of Splawn Mtn., N end of Big Valley 1500 Comment
  JEPS69175  Bromus japonicus Leland S. Smith 1918-1 871 1/2 Modoc Comment
  UCD58872  Bromus japonicus Beecher Crampton 1954-7-7 2163 Modoc 2.5 miles east of Alturas. Near Radio Station KCNO. 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
  UCD123496  Callitriche fassettii Verne Grant; Irving Schneider 1947-7-18 8055 Modoc 1.4 miles north of Bayley's bridge, south of Alturas. Comment
  UC1101528  Callitriche hermaphroditica Herbert L. Mason and Verne Grant 1947-7-10 13348 Modoc 2 mi e Alturas; Dorris Reservoir Comment
  CAS-BOT-BC95096  Callitriche palustris Robert Folger Thorne; C. W. Tilforth 1969-9-4 39060 Modoc 2 mi. W of Davis Creek (town), S of Goose Lake. 1432 Comment
  CAS-BOT-BC85787  Calocedrus decurrens M. B. Kildale 1926-9-11 2768 Modoc Between Malin, Oregon & Alturas 1371 Comment
  JEPS61773  Calochortus Leland S. Smith 1918-7-10 981 Modoc Mill Creek Comment
  HSC15399  Calochortus leichtlinii M. T. Milligan 1966-6-29 484 Modoc N end of Jess Valley 1616 Comment
  UCD77254  Calochortus longebarbatus Robert E. Preston 2000-7-18 1396 Modoc Ca. 11 mi nw of Canby, along Hwy 139, 2.65 mi e of Forest Service Rd 44N11. 1490 Comment
  CAS-BOT-BC242146  Calochortus macrocarpus K. Paulson; Robert Paulson 1989-7-18 192 Modoc Parker Creek Rd. 1676 Comment
  UC1134493  Calochortus macrocarpus R. C. Wilson 1933-7-18 68 Modoc s slope Barber Ridge; Modoc National Forest, Canby Quad. 1463 Comment
  RSA503043  Calochortus macrocarpus K. Paulson, R. Paulson 1988-7-13 79 Modoc Jess Valley Road, 3 miles east of Likely 1372 Comment
  SDSU11924  Calochortus macrocarpus D. F. Howe 1964-7-31 3905 Modoc Modoc Ntional Forest 8.5 miles from entrance on road from Likely, Warner Mts. 1554 Comment
  CHSC100010  Calycadenia fremontii Lowell Ahart; John Dittes 2008-8-25 15294 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
  JEPS114378  Calycadenia fremontii Lowell Ahart, John Dittes 2008-8-26 15331 Modoc On the sides of County Road 85a, 287 feet east of County Road 91, 7.7 miles (air) north-northeast of Lookout 1303 Comment
  SBBG128894  Calycadenia fremontii L. Ahart, J. Dittes 2008-8-25 15294 Modoc W side of Pit River, ca. 1/8 mi E of County Rd 91, ca. 3.8 mi (air) NNE of Lookout 1273 Comment
  UC748318  Calyptridium umbellatum Annie M. Alexander and Louise Kellogg 1946-7-17 5002 Modoc Benton Meadow; Warner Mountains, Benton Meadow 2072 Comment
  UCR34758  Calyptridium umbellatum J. A. Harpel 1981-8-6 V- 35 Modoc Warner Mtns, South Warner Wilderness Area: E end of Patterson Lake, 7 mi NW of Eagleville 2744 Comment
  UC71595  Calyptridium umbellatum Mrs. M. H. Manning 1903-8-27 332 Modoc Mount Bidwell, Tamarack Flat, in north-eastern Modoc County Tamarack Flat; Mount Bidwell, Tamarack Flat Comment
  CAS-BOT-BC95587  Calystegia occidentalis subsp. occidentalis Leland S. Smith 1919-6-5 1120 Modoc Deep Creek Ranger Station. 1493 Comment
  CAS-BOT-BC242128  Camassia quamash subsp. breviflora Roxana Stinchfield Ferris; R. Duthie 1919-6-15 142 Modoc Along Parker Creek Comment
  UC72484  Camassia quamash subsp. breviflora Milo S. Baker Modoc Forestdale Comment
  CAS-BOT-BC493370  Camassia quamash subsp. breviflora Isabel T. Kelly 1930-1-1 11 Modoc Fort Bidwell Comment
  JEPS61559  Camassia quamash subsp. quamash Frances D. Payne 1929-6-19 11 Modoc s and e of Alturas (Warner Mountains, Parker Creek); Warner Mountains, Parker Creek 1584 Comment
  CDA42957  Camelina microcarpa L. Ahart, John Dittes, Todd Sloat 2013-6-8 18757 Modoc On the north side of levee, about 100 yards north 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. Comment
  CHSC107345  Camelina microcarpa Lowell Ahart; John Dittes 2011-6-22 17547 Modoc On the east side of the road, about 150 yards north of the Pilot Butte Parking Lot, north edge of Ash Creek Floodplain, 1.1 miles (air) south of County road 87, 7.7 miles (air) west of Adin, 10 miles (air) east of Lookout, Big Valley. 1264 Comment
  CHSC23599  Camelina microcarpa K. R. Stern; D. B. Joley, J. G. Geschke 1974-6-23 5848 Modoc Round Valley area north of Aden. Comment
  JEPS121200  Camelina microcarpa Lowell Ahart, John Dittes 2013-7-25 18951 Modoc About 100 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
  UCD150429  Camelina microcarpa Harry A. George 1966-6-2 s.n. Modoc Davis Creek, Lakeside Ranch. Comment
  CAS-BOT-BC191134  Camissonia andina Bruce Bartholomew 1990-6-18 5378 Modoc Crowder Flat Rd, 0.3 km N of turn off to Big Sage Reservoir. 1480 Comment
  CAS-BOT-BC191111  Camissonia contorta Mrs. H. C. Cantelow 1940-6-2 4045 Modoc Road to lava beds NW of Canby. Comment
  POM319062  Camissonia contorta Patricia Wilder 1971-6-20 5064 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
  UC1586092  Camissonia parvula Barbara Ertter 1988-6-18 7614 Modoc Hwy 139 1 mi s jct. to Lava Beds Nat'l Monument (ca 50 air mi sw of Klamath Falls, a few mi n of Agric. Inspection Station, e of Tonesta) 1310 Comment
  HSC16481  Camissonia subacaulis M. T. Milligan 1964-7-25 180 Modoc Pine Creek Basin, along trail. 2439 Comment
  NY852077  Camissonia tanacetifolia L. C. Wheeler 1935-8-18 3895 Modoc 2 miles northeast of Alturas 1356 Comment
  POM211894  Camissonia tanacetifolia J. T. Howell 1934-6-12 12000 Modoc 6 miles S of Davis Creek. Comment
  CAS-BOT-BC191081  Camissonia tanacetifolia subsp. tanacetifolia Peter Hamilton Raven 1962-5-29 17893 Modoc 13 mi. NW of Canby. Comment
  RSA518987  Camissonia tanacetifolia subsp. tanacetifolia Barbara Ertter 1988-6-18 7606 Modoc West side of Highway 139 just south of where it crosses railroad at junction to Clear Lake, northeast of Dry Lake east of Lava Beds National Monument. 1250 Comment
  RSA113690  Camissonia tanacetifolia subsp. tanacetifolia H. K. Sharsmith 1955-6-26 4508 -B Modoc Adjacent to Hwy 39, ca 20 miles N of Canby. Modoc National Forest. 1524 Comment
  RSA59542  Camissonia tanacetifolia subsp. tanacetifolia E. K. Balls 1950-5-10 14600 Modoc 1 mile E of Eagleville, between Middle and Lower Lakes. 1402 Comment
  RSA59843  Camissonia tanacetifolia subsp. tanacetifolia E. K. Balls 1950-5-17 14727 Modoc South shore, Clear Lake Bird Refuge 1381 Comment
  RSA600324  Camissonia tanacetifolia subsp. tanacetifolia Louis C. Wheeler 1935-8-18 3895 Modoc 2 miles northeast of Alturas. 1357 Comment
  NY119873  Cardamine breweri A. J. Cronquist 1959-6-19 8500 Modoc Along Mill Creek, just above Clear Lake; Warner Mtns., 15 miles E of Likely 1828.8 Comment
  CAS-BOT-BC58433  Cardamine breweri var. breweri Betty J. Hammerly 1941-6-20 33 Modoc Along bank of Clear Lake, S end of Warner Mts. Comment
  CAS-BOT-BC58471  Cardamine breweri var. breweri Bruce Bartholomew; Barrett Anderson 1988-7-23 4578 Modoc Dismal Swamp, Warner Mts.. 2180 Comment
  JEPS124311  Carduus nutans Lowell Ahart, John Dittes 2015-7-15 20341 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-BC242328  Carex abrupta Robert Patterson; Mona Bourell 1993-8-14 5219 Modoc Patterson Lake. South Warner Wilderness Area. Warner Mountains. 2743 Comment
  CHSC100860  Carex abrupta L. P. Janeway; B. Castro 2008-8-17 9673 Modoc Warner Mountains. North slope of Bald Mountain; just below the cliffs at the top of the peak. Near moist bed of small rocky drainage channel. On moist slope on the side of the drainage. 2372 Comment
  CAS-BOT-BC242375  Carex atherodes Herbert Louis Mason; Verne Grant 1947-7-12 13424 Modoc Near S end of west side road, along railroad tracks, Pit River Valley, S of Alturas. Comment
  CAS-BOT-BC245195  Carex atherodes Robert Folger Thorne; et al 1969-9-3 39018 Modoc SE end of Tule Lake Sump, 0.5 mi. N of turnoff to Lava Beds National Monument. 1264 Comment
  RSA210806  Carex atherodes Robert F. Thorne, James Henrickson, Tilforth 1969-9-3 39018 Modoc SE end of Tule Lake Sump 0.5 miles N of turnoff to Lava Beds National Monument, (2.2 miles E of NE entrance to monument) 1265 Comment
  CHSC109483  Carex athrostachya L. P. Janeway; B. Castro 2012-7-25 10982 Modoc Warner Mountains. Slope along north side of Dismal Swamp. 2216 Comment
  CHSC110897  Carex athrostachya Lowell Ahart; John Dittes 2012-7-11 18345 Modoc Along a ditch, along a poor mowed road, about 1/2 mile southeast of Piolt 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
  SEINET10862025  Carex athrostachya Gordon H. True 1939-6-19 True 998 Modoc Pit River, near Sckeley. Comment
  POM81337  Carex hassei Mrs. R. M. Austin 1895-07 491 Modoc Goose Lake Valley. Comment
  UC1024334  Carex heteroneura Annie M. Alexander and Louise Kellogg 1946-7-18 5020 Modoc Upper end Benton Meadow, Warner Mountains. Comment
  SEINET7563152 Image available Carex jonesii John Thomas Howell 1934-6-14 12165 Modoc Near Lost Lake, Warner Mts. 2438 Comment
  UC1158683  Carex lenticularis var. lipocarpa Arthur Cronquist, Arthur H. Holmgren 1959-6-19 8499 Modoc 15 mi e of Likely (just above Clear Lake, Warner Mountains, along Mill Creek); Warner Mountains, Mill Creek 1828 Comment
  HSC75585  Carex microptera G. M. Riegel 1979-8-23 698 Modoc S Warner Mtns. 2100 Comment
  HSC48004  Carex multicaulis D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19489 Modoc Big Valley Summit, 6 mi. W of Adin on Hwy. 299 Comment
  CAS-BOT-BC245177  Carex multicaulis Leland S. Smith 1922-6-23 1251 Modoc Ballard's Mill. 1828 Comment
  CAS-BOT-BC245172  Carex nebrascensis John Thomas Howell 1934-6-15 12190 Modoc Alturas. Comment
  UC1100496  Carex nebrascensis Herbert L. Mason, Verne Grant 1947-7-10 13354 Modoc 1/4 mi w Dorris Reservoir (2 mi e of Alturas) Comment
  SEINET8055413 Image available Carex nebrascensis H. L. Mason, V. Grant 1947-7-12 13435 Modoc Corporation Ranch Headquarters, N of Likely Comment
  CHSC109502  Carex pachycarpa L. P. Janeway; B. Castro 2012-7-26 11006 Modoc Warner Mountains. At Little Lily Lake, 2.4 air km north of Mt. Vida. 2258 Comment
  RSA180150  Carex petasata Clare B. Hardham 1961-6-17 7808 Modoc North Fork of the Pitt River, 3.3 miles S of junction of 395 and 8A Comment
  HSC96159  Carex praegracilis Juha Pykala, D. H. Norris 1987-5-28 1227 Modoc Surprise Valley, near NW end of Middle Alkali Lake, E of Gravel Pits, about 1 mi. from the Cedarville-Lake City Rd., the Fortynine Rd. 1296 Comment
  UC1024325  Carex raynoldsii Annie M. Alexander and Louise Kellogg 1946-6-30 4884 Modoc Highgrade, w side of ridge n end of Warner Mountains 2377 Comment
  JEPS25926  Carex simulata W. L. Jepson 1918-8-5 7827 Modoc Likely 1371 Comment
  UC1100465  Carex simulata Herbert L. Mason 1947-8-13 13538 a Modoc n Canby (ne side of F reservoir) Comment
  UC1024339  Carex straminiformis Annie M. Alexander and Louise Kellogg 1946-7-23 5048 Modoc near summit Emerson Peak; Warner Mountains 2749 Comment
  CHSC77253  Carex subfusca G. Schoolcraft 1996-7-23 2543 Modoc E. of Yankee Jim Ranch about 12 mile se of Alturas. 1645 Comment
  RSA252422  Carex utriculata Robert F. Thorne, C. W. Tilforth 1969-9-5 39157 Modoc Wet mud at margin of Clear Lake. Warner Mountains, Modoc National Forest. 1768 Comment
  CAS-BOT-BC115186  Carex vernacula John Thomas Howell 1934-6-14 12165 Modoc Near Lost Lake, Warner Mts. 2438 Comment
  CAS-BOT-BC242397  Carex vernacula Annie Montague Alexander; L. Kellogg 1946-7-30 5100 Modoc Eagle Peak. Comment
  HSC48305  Carex vernacula D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-22 19324 Modoc Soup Springs Campground Comment
  JEPS101131  Carex vernacula Dean Wm. Taylor with Glenn L. Clifton 1989-8-5 10439 Modoc Warner Mountains; east face Emerson Peak 2560 Comment
  CAS-BOT-BC242392  Carex whitneyi Annie Montague Alexander; L. Kellogg 1946-7-18 5018 Modoc Benton Meadow area. 2072 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
  SFV3327  Castilleja angustifolia I. L. Wiggins, D. B. Wiggins 1961-6-12 16421 Modoc Warner Mountains Rocky slope near summit of Cedar Pass, between Alturas and Cedarville. 1951 Comment
  UC444861  Castilleja angustifolia Mrs. M. H. Manning May 1907 719 Modoc e side Warner Range Comment
  CAS-BOT-BC225974  Castilleja applegatei subsp. pinetorum Elmer Ivan Applegate 1932-8-7 8235 Modoc Lily Lake, Bidwell Pass, Warner Mountains Comment
  CAS-BOT-BC225998  Castilleja applegatei subsp. pinetorum Francis Dorris Payne 1931-6-11 148 Modoc Parker Creek, Warner Mountains 1584 Comment
  CAS-BOT-BC229827  Castilleja applegatei subsp. pinetorum Mrs. H. C. Cantelow 1941-5-23 s.n. Modoc 2 mi. W of Adin Summit, Hwy 299. Comment
  JEPS66445  Castilleja applegatei subsp. pinetorum L. R. Heckard and P. Rubtzoff 1971-8-3 2706 Modoc 3.5 mi n Cedarville Pass (near summit of Old Canyon Mill road); Warner Mts. 1981 Comment
  JEPS86308  Castilleja applegatei subsp. pinetorum Jack and Betty Guggolz 1988-7-5 982 Modoc Comment
  JEPS86309  Castilleja applegatei subsp. pinetorum Jack and Betty Guggolz 1988-7-5 983 Modoc near Highgrade Mine Comment
  JEPS86368  Castilleja applegatei subsp. pinetorum Jack and Betty Guggolz 1988-6-27 952 Modoc ne of Jenkins Springs Comment
  RSA150189  Castilleja applegatei subsp. pinetorum A. J. Cronquist, A. H. Holmgren 1959-6-20 8517 Modoc Benchland west of the Warner Mts. in sagebrush-juniper-Agropyron country 11 miles northeast of Alturas. 1555 Comment
  RSA32002  Castilleja applegatei subsp. pinetorum A. A. Heller 1941-6-26 16227 Modoc Adin Pass. 1578 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
  RSA425922  Castilleja applegatei subsp. pinetorum Christopher Davidson 1973-5-26 2121 Modoc 4 miles W of Canby on Hwy 299. 1341 Comment
  HSC80804  Castilleja arachnoidea G. M. Riegel 1980-7-9 857 Modoc South Warner Mts. 1829 Comment
  SJSU9620  Castilleja campestris W. Savage 1979-7-6 1424 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  CAS-BOT-BC226019  Castilleja chromosa K. Paulson; Robert Paulson 1988-5-24 17 Modoc Granger Canyon, Warner Mts.. 1493 Comment
  CAS-BOT-BC226026  Castilleja lacera Clare Butterworth Hardham 1961-6-18 7541 Modoc 3 mi. SE of Cedar Pass. 1828 Comment
  CAS-BOT-BC226032  Castilleja lacera David Daniels Keck; Jens Chr. Clausen 1935-6-24 3720 Modoc 14 mi. S of New Pine Creek. 1525 Comment
  JEPS79117  Castilleja lacera L. R. Heckard with R. Bacigalupi 1980-6-10 5219 Modoc sw margin of Egg Lake (now dry) Egg Lake Comment
  UC1063397  Castilleja lacera R. C. Wilson 1933-6-21 86 Modoc Stone Coal Valley Creek; Modoc National Forest, Canby Quad. 1402 Comment
  CAS-BOT-BC226041  Castilleja linariifolia Alice Eastwood; John Thomas Howell 1940-6-14 8195 Modoc 6 mi. W of Alturas. Comment
  JEPS36815  Castilleja linariifolia Charles F. Quibell 1964-7-1 Modoc 2.5 mi e Alturas (along U.S. Hwy 395) Comment
  RSA78907  Castilleja linariifolia E. K. Balls, Percy C. Everett 1952-10-10 18148 Modoc Above S. Fk. Public Camp, 8 mi. E. of Likely on road to Jess Valley. 1555 Comment
  UC199411  Castilleja linariifolia M. F. Gilman 502 Modoc 1676 Comment
  CAS-BOT-BC226048  Castilleja miniata Elmer Ivan Applegate 1932-7-31 7977 Modoc Mill Creek Meadow, western slope of Warner Mts. Comment
  CAS-BOT-BC32642  Castilleja payneae Francis Dorris Payne 1929-7-26 126 Modoc Mt. Warren, Warner Mts. 2944 Comment
  CAS-BOT-BC241006  Castilleja pilosa John Thomas Howell 1934-6-12 11993 Modoc 6 miles s. of Davis Creek Comment
  CAS-BOT-BC241013  Castilleja pilosa M. H. Manning 1907-1-1 s.n. Modoc 12 Mile Creek E. side of Mt. Bidwell, N.E. Modoc Co. Comment
  CAS-BOT-BC32564  Castilleja pilosa var. pilosa Alice Eastwood; John Thomas Howell 1940-6-11 8016 Modoc 7 miles SW of Canby Comment
  CAS-BOT-BC226067  Castilleja pruinosa Bruce Bartholomew 1990-6-15 5222 Modoc W side of Deer Spring Ridge in vicinity of Reid Draw, ca. 1 km N of the Lasson Co. border. 1540 Comment
  RSA248718  Castilleja psittacina Christopher Davidson 1973-5-26 2125 Modoc 4 miles W of Canby on Hwy 299. 1341 Comment
  SJSU9688  Castilleja tenuis W. Savage 1979-7-24 Modoc Long Meadow Unit, Devils Garden District, Modoc National Forest 1615 Comment
  RSA520505  Ceanothus cuneatus Bruce Bartholomew 1990-4-26 5156 Modoc 0.5km S of Day. 1100 Comment
  CAS-BOT-BC217139  Ceanothus cuneatus var. cuneatus Bruce Bartholomew; Mona Bourell 1990-4-26 5156 Modoc 0.5 km S of Day. 1100 Comment
  CAS-BOT-BC217144  Ceanothus integerrimus Bruce Bartholomew; Barrett Anderson 1988-6-23 4265 Modoc 1.8 km WSW of Day on County Road 94. 1170 Comment
  HSC25994  Ceanothus integerrimus D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19516 Modoc Big Valley Summit, 6 mi. W of Adin on Hwy. 299 Comment
  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
  HSC18324  Ceanothus prostratus M. T. Milligan 1964-6-25 91 Modoc Upper Lassen Creek 1829 Comment
  HSC27255  Ceanothus prostratus J. P. Smith, J. O. Sawyer 1972-5-6 5281 Modoc 2.8 mi. from jct. with Hwy. 395 on rd. between Davis Creek and Fandango Valley 1524 Comment
  SEINET13946047 Image available Ceanothus prostratus E. K. Balls 14632 Modoc .75 mile below (east of) crest of Fandango Pass. (from Fort Bidwell- Lake City Road to Bucks Creek Ranger Station on Hwy 395) Alt. 6100 ft 1859 Comment
  UC18391  Ceanothus prostratus Milo S. Baker 1893-6 Modoc Red soil 1524 Comment
  UC18392  Ceanothus prostratus Milo S. Baker 1893-6 Modoc Red Soil 1524 Comment
  CAS-BOT-BC217117  Ceanothus velutinus Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-13 16459 Modoc Near summit of Fandango Pass. Comment
  HSC18352  Ceanothus velutinus M. T. Milligan 1966-8-3 622 Modoc West slope of Eagle Peak. 2439 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
  UC18446  Ceanothus velutinus Milo S. Baker 1893-7-10 Modoc 1219 Comment
  UCR67463  Centaurea cyanus George K. Helmkamp 1990-9-23 I- 12 Modoc Warner Mtns, Goose Lake, within 0.1 mi of the Oregon border 1476 Comment
  CDA36158  Centaurea diffusa C. Pirosko Jul 2003 s.n. Modoc 0 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
  CHSC100382  Centaurea squarrosa Lowell Ahart; John Dittes 2008-8-25 15300 Modoc In the middle of a poor dirt road, 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
  CDA7342  Centaurea squarrosa T. C. Fuller 1962-8-29 9487 Modoc Road to Adin, 0.2 mile east of Lookout, Big Valley. 0 Comment
  SEINET7073594  Centaurium davyi A. G. Vestal 1955-5-18 s.n. Modoc Modoc lava on Route 139. Modoc National Forest. UTM Zone 10, 646374mE, 4627855mN. Coordinate datum: NAD27. Comment
  UC1191678  Centaurium exaltatum Herbert L. Mason 1947-8-15 13553 Modoc e side Goose Lake (on Willow Ranch); Mouth of Crane Creek Comment
  CHSC112822  Centromadia pungens subsp. pungens Lowell Ahart; John Dittes 2013-7-25 18957 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
  RSA11803  Cercocarpus ledifolius Elmer I. Applegate 1932-8-1 8055 Modoc Warner Mtns, near summit S of Warner Peak. Comment
  CHSC109890  Cercocarpus ledifolius var. intermontanus B. Castro; L. P. Janeway 2012-7-25 1963 Modoc Warner Mountains. Along Twelve Mile Creek ca 3.5 air mi ESE of Dismal Swamp and 1.8 air mi NE of Mount Bidwell. 2218 Comment
  NY848757  Cercocarpus ledifolius var. intermontanus R. M. Austin 08 1894 s.n. Modoc Lassen Creek Comment
  CAS-BOT-BC197533  Cercocarpus ledifolius var. ledifolius A. D. Borden 1911-5-20 s.n. Modoc Sugar Hill. 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-BC214644  Cercocarpus ledifolius var. ledifolius Belknap C. Goldsmith 1910-5-9 7 Modoc Fandango Creek, West slope Warner Mountains 1584 Comment
  CAS-BOT-BC248320  Cercocarpus ledifolius var. ledifolius B. Bartholomew; H. Sun 2002-6-24 8866 Modoc Fandango Pass on the E side of the Warner Mountains near the crest of the mountains 1820 Comment
  UC71599  Cercocarpus ledifolius var. ledifolius Mrs. M. H. Manning 1903-5 8 Modoc Mount Bidwell, in north-eastern Modoc County Mount Bidwell Comment
  UC72035  Cercocarpus ledifolius var. ledifolius Milo S. Baker 1893-6-20 Modoc Comment
  SD61016  Chaenactis douglasii Darley F. Howe 1964-7-31 3904 Modoc 10.2 miles from entrance to Modoc National Forest on road from Likely; Warner Mountains. 1769 Comment
  CAS-BOT-BC15053  Chaenactis douglasii var. douglasii Bruce Bartholomew; Barrett Anderson 1990-7-21 5561 Modoc N Barber Creek, road from Surprise Valley to Patterson Ranger Station, E side of Warner Mts. 1710 Comment
  CAS-BOT-BC15070  Chaenactis douglasii var. douglasii Robert Patterson; Mona Bourell 1993-8-15 5237 Modoc Warner Mountains. Along trail from Patterson Lake to ca. 2 mi north towards Pepperdine Trailhead. 2743 Comment
  HSC65589  Chaenactis douglasii var. douglasii Thomas Wood 1979-8-9 241 Modoc Dirt Road along Bidwell Creek, 2.8 mi. NW of junction with Co. Hwy. 2 N of Fort Bidwell 1509 Comment
  JEPS34150  Chaenactis douglasii var. douglasii W. L. Jepson 1918-8-6 7844 Modoc Surprise Valley 1447 Comment
  SFV18028  Chaenactis douglasii var. douglasii J. A. Matos, D. C. Rudolph 1999-8-7 s. n. Modoc 1 mile east of Siskiyou county line along Lava Beds National Monumemt Road. 1310 Comment
  CAS-BOT-BC15056  Chaenactis douglasii var. douglasii Amos Arthur Heller 1938-6-24 15221 Modoc Between Alturas and Canby on Hwy 299. 1341 Comment
  CAS-BOT-BC197526  Chamaebatiaria millefolium Mrs. M. H. Manning s.n. Modoc NW Modoc County. Comment
  CAS-BOT-BC245423  Chamaesaracha nana Elmer Ivan Applegate 1897-5-30 862 Modoc Timbered Mountain, S of Dry Lake. Comment
  UC748043  Chamaesaracha nana Annie M. Alexander and Louise Kellogg 1946-7-24 5065 Modoc Bear Camp Flat Warner Mountains (along trail to Emerson Camp) Comment
  UC884531  Chamaesaracha nana C. L. Hitchcock 1940-5-27 6700 Modoc 15 mi ne Alturas 1615 Comment
  UCR163905  Chamaesaracha nana Jim Andre 1993-6-30 1400 Modoc Modoc Plateau, about 10 miles NW of Canby on Hwy 139, near NW end of Oak Ridge 1494 Comment
  RSA767683  Chamaesyce serpillifolia subsp. serpillifolia L. Ahart, John Dittes 2010-8-30 17054 Modoc North side of a small wash, about 10-15 yards west of the fence, south edge of the meadow, Ash Creek State Wildlife Area, 2300 feet north of Lassen County Line, about 3.6 air miles west of Adin, about 8 air miles northeast of Bieber, Big Valley. 1268 Comment
  UC450214  Chamaesyce serpyllifolia Franklin P. Nutting 1900-8-30 Modoc Forestdale Comment
  RSA0076312  Chenopodium L. C. Wheeler 1935-8-30 3930 Modoc Devil's Garden: Lakeshore Reservoir. 1524 Comment
  CAS-BOT-BC95503  Chenopodium album Bruce Bartholomew; Barrett Anderson 1990-7-20 5453 Modoc Margin of Goose Lake at S end of the causeway to McGinty Point. 1440 Comment
  CAS-BOT-BC95515  Chenopodium berlandieri Isabelo T. Kelly 1930-1-1 28 Modoc Modoc County. Comment
  CHSC106201  Chenopodium desiccatum Lowell Ahart; John Dittes 2010-8-31 17111 Modoc On the east side of Elkins Lane, about 100 yards north of the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1267 Comment
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Jul 20 2019
  SJSU9628  Chenopodium fremontii W. Savage 1979-7-7 1446 Modoc Triangle, Fairchild Swamp Unit, Devils Garden District, Modoc National Forest 1499 Comment
  CAS-BOT-BC95524  Chenopodium glaucum subsp. salinum Bruce Bartholomew; Barrett Anderson 1990-7-20 5450 Modoc Margin of Goose Lake at S end of the causeway to McGinty Point. 1440 Comment
  CAS-BOT-BC95528  Chenopodium leptophyllum Louis Cutter Wheeler 1935-8-30 3930 Modoc Lakeshore Reservoir, Devil's Garden. 1524 Comment
  JEPS58865  Chimaphila menziesii Milo S. Baker 1893-7-17 Modoc Forestdale Comment
  SEINET7220233  Chimaphila menziesii M. S. Baker 1896-5-15 66 Modoc Forestdale Comment
  UC412889  Chimaphila umbellata Franklin P. Nutting Aug 20 1900-Aug 30 1900 Modoc Big Valley Mts. near Forestdale; Big Valley Mts. Comment
  CDA19941  Chorispora tenella R. Breckenridge 2002-6-21 PDR 1204570 Modoc Northern California; Jones Lane, south of Alturas, W of canal. 1328 Comment
  CAS-BOT-BC58436  Chorispora tenella Bruce Bartholomew; M; M. Gilbert; L. E. Skog 1993-5-10 6450 Modoc At the Nevada border directly E of Eagleville, E side of Surprise Valley. 1520 Comment
  CDA37694  Chorispora tenella Breckenridge/Filippini 2005-6-2 s.n. Modoc Likely, Jones Lane, Lynetta Farms. 0 Comment
  CAS-BOT-BC15007  Chrysothamnus nauseosus subsp. albicaulis Bruce Bartholomew; Barrett Anderson 1990-7-20 5457 Modoc Margin of Goose Lake at S end of the causeway to McGinty Point. 1440 Comment
  CAS-BOT-BC15047  Chrysothamnus nauseosus subsp. albicaulis Elmer Ivan Applegate 1932-8-6 8190 Modoc Eagleville, Surprise Valley. Comment
  SJSU9680  Chrysothamnus viscidiflorus subsp. puberulus W. Savage 1979-8-22 1578 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  CAS-BOT-BC14985  Chrysothamnus viscidiflorus subsp. viscidiflorus Elmer Ivan Applegate 1936-9-22 11058 Modoc Fleeners Chimneys, Lava Beds National Monument. Comment
  CAS-BOT-BC14991  Chrysothamnus viscidiflorus subsp. viscidiflorus Loran C. Anderson 1958-8-23 1611 Modoc 1 mi. E of Cedarville, beside highway and around Middle Lake 1424 Comment
  JEPS21426  Chrysothamnus viscidiflorus subsp. viscidiflorus W. L. Jepson 1918-8-12 7947 Modoc Jess Valley 1584 Comment
  JEPS21427  Chrysothamnus viscidiflorus subsp. viscidiflorus W. L. Jepson 1918-8-7 7874 Modoc Mt. Bidwell 2468 Comment
  JEPS31102  Chrysothamnus viscidiflorus subsp. viscidiflorus Ernest C. Twisselmann 1961-9-22 6573 Modoc Warner Mountains, Jess Valley 1676 Comment
  CDA38302  Cicuta douglasii T. C. Fuller 1959-7-8 s.n. Modoc 3.4 miles east of Tulelake. 0 Comment
  CHSC111409  Cirsium Lowell Ahart; John Dittes 2012-7-10 18329 Modoc Open meadow, about 300 yeards northeast of the old barn, on the north side of the mowed road. Ash Creek State Wildlife Area, northeast of Bieber, Big Valley. 1266 Comment
  CAS-BOT-BC14955  Cirsium arvense Thomas C. Fuller 1959-7-8 2746 Modoc 1.5 mi. SE of Tule Lake. Comment
  CDA1061  Cirsium arvense T. C. Fuller 1959-7-8 2746 -B Modoc Grainfield, 1.5 mi. South of Tulelake. 0 Comment
  CDA1062  Cirsium arvense T. C. Fuller, W. T. Parsons 1960-7-26 4872 Modoc 1.5 mi. south of Tulelake; in grainfield, Hwy 139. 0 Comment
  UC748326  Cirsium cymosum var. cymosum Annie M. Alexander and Louise Kellogg 1946-6-14 4766 Modoc Silver Creek branch of Patterson Mill Rd 1828 Comment
  RSA608377  Cirsium douglasii var. breweri L. C. Wheeler 1935-9-10 3966 Modoc 1 mile S McGinty Reservoir, Devil's Garden 1463 Comment
  CAS-BOT-BC14929  Cirsium occidentale var. candidissimum Roxana Stinchfield Ferris; L. Lorraine 1941-8-12 10511 Modoc Cedarville-Alturas Road, just below eastern summit of Cedar Pass, Warner Mountains 1828 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
  CDA15028  Cirsium ochrocentrum var. ochrocentrum B. Villegas, Len Smith 1998-8-19 s.n. Modoc Modoc Plateau; Alturas at intersection of Pencil & Woodchuck Rds. Comment
  CAS-BOT-BC14937  Cirsium scariosum John Thomas Howell 1934-6-15 12188 Modoc Alturas. 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
  HSC5395  Cirsium scariosum M. T. Milligan 1966-8-3 641 Modoc W slope of Eagle Peak 2439 Comment
  CDA20568  Cirsium scariosum C. Pirosko 2005-6-24 PDR 1303857 Modoc Modoc Plateau; Fandango Area on the west side of Warner Mnts, near CA/OR border. 0 Comment
  HSC5379  Cirsium vulgare M. T. Milligan 1966-7-26 579 Modoc N end of Jess Valley 1616 Comment
  RSA41236  Clarkia affinis A. M. Alexander, Louise Kellogg 1946-6-12 4738 Modoc Fandango Pass Road 1707 Comment
  CAS-BOT-BC191062  Clarkia gracilis subsp. gracilis K. Paulson; Robert Paulson 1989-6-28 153 Modoc Vicinity of Granger Creek, E side of the Warner Mts. 1905 Comment
  CAS-BOT-BC191063  Clarkia gracilis subsp. gracilis Bruce Bartholomew 1990-6-15 5217 Modoc SW side of of Hunters Ridge, 6.3 km SSE of Hwy 299 on road from Rush Creek. 1640 Comment
  CHSC85162  Clarkia gracilis subsp. gracilis John Dittes; Josephine Guardino 1991-7-21 398 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-BC191070  Clarkia gracilis subsp. gracilis Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16384 Modoc Rocky clay mesa 5 mi. E of Calif. St. Highway 299 along Cedar Pass road Comment
  CAS-BOT-BC191054  Clarkia lassenensis Annie Montague Alexander; L. Kellogg 1946-6-12 4738 Modoc Fandango Pass road. 1706 Comment
  HSC30036  Clarkia lassenensis D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19378 Modoc Along the S Fork of the Pit River, ~6 mi. E of Likely. Comment
  NY999398  Clarkia lassenensis A. J. Cronquist 1959-6-19 8509 Modoc Atop ridge south of Clear Lake; Warner Mountains 15 miles east of Likely 1981 Comment
  UC1184379  Clarkia lassenensis Peter H. Raven with Otto T. Solbrig 1958-6-18 13314 Modoc Cottonwood Flat Camp Ground Modoc National Forest Comment
  CAS-BOT-BC191041  Clarkia rhomboidea John Thomas Howell 1934-6-13 12048 Modoc Fandango Pass. 1828 Comment
  RSA323621  Clarkia rhomboidea Arnold Tiehm 1984-6-30 8839 Modoc NW side of Bidwell Mt., 2.8 road miles north of 8 mile creek on the road from Lake Annie. 1829 Comment
  SEINET3093388 Image available Clarkia rhomboidea Arnold Tiehm 1984-6-30 8839 Modoc NW side of Bidwell Mt., 2.8 road miles north of 8 mile creek on the road from Lake Annie. 1829 Comment
  UC71666  Clarkia rhomboidea Mrs. M. H. Manning 1903-7 282 Modoc Warner Mt. 1524 Comment
  CAS-BOT-BC197430  Claytonia perfoliata subsp. intermontana Bruce Bartholomew 1991-6-20 5791 Modoc Fox Mountain Spring, ca. 10 km NW of Adin. 1620 Comment
  CHSC85127  Claytonia rubra subsp. depressa John Dittes; Josephine Guardino 1991-6-1 354 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
  UC172251  Claytonia rubra subsp. depressa R. M. Austin 1894-5-1 28 Modoc Sugar Loaf Hill, Rocky Ponts Comment
  CAS-BOT-BC197472  Claytonia rubra subsp. rubra Bruce Bartholomew 1991-6-21 5824 Modoc Vicinity of Drift Fence Tank, 2 km S of Forest Service road 73 on road to Rim Rock Valley. 1580 Comment
  CAS-BOT-BC197473  Claytonia rubra subsp. rubra Bruce Bartholomew 1991-5-24 5712 Modoc Surprise Valley, E of Eagleville at the Nevada State boundary. 1520 Comment
  UC412607  Claytonia rubra subsp. rubra Mrs. M. H. Manning 1907-1 Modoc Barley Camp; ne Modoc County Comment
  UC1035990  Cleome platycarpa Helen K. Sharsmith 1955-6-23 4503 Modoc just outside west boundary of Modoc National Forest (w slope Warner Mountains); Warner Mountains, West Valley Reservoir 1524 Comment
  CAS-BOT-BC226088  Collinsia parviflora Betty J. Hammerly 1941-6-20 38 Modoc Clear Lake. 1767 Comment
  CAS-BOT-BC229866  Collinsia parviflora Bruce Bartholomew; Barrett Anderson 1988-6-24 4365 Modoc Vicinity of Patterson Campground, southern end of the Warner Mts. 2190 Comment
  CAS-BOT-BC229874  Collinsia torreyi Leland S. Smith 1924-6-8 1369 Modoc Timber E of Egg Lake. 1310 Comment
  UC26672  Collinsia torreyi var. torreyi Milo S. Baker 1893-8-10 Modoc Modoc County Comment
  JEPS17622  Collinsia torreyi var. wrightii Rimo Bacigalupi with G. T. Robbins 1955-7-19 5378 Modoc just above and e Soap Springs Meadow (along rd to Mill Creek Ranger Station, s Warner Mtns); Modoc National Forest, Warner Mtns 2118 Comment
  CAS-BOT-BC190738  Collomia grandiflora Bruce Bartholomew; Barrett Anderson 1988-7-21 4416 Modoc Whitehorse Mts., 11 km N of Day on the road to Whitehorse Flat Reservoir. 1340 Comment
  HSC32014  Collomia grandiflora J. D. Ackerman, A. M. Montalvo 1974-7-4 365 Modoc Howards Gulch, 6 mi. NW of Canby, off Hwy. 139 Comment
  SBBG103157  Collomia grandiflora D. H. Wilken with D. M. Smith 1971-7-2 10115 Modoc Adin Pass along St Hwy 299 1576 Comment
  POM126985  Collomia grandiflora M. French Gilman 568 Modoc [no locality information provided] 1677 Comment
  HSC16931  Collomia linearis M. T. Milligan 1966-7-3 527 Modoc Slopes and ridges E of Jess Valley 1829 Comment
  RSA164297  Collomia linearis Clare B. Hardham 1961-6-18 7561 Modoc Cedar Pass Comment
  CAS-BOT-BC190714  Collomia tinctoria Bruce Bartholomew 1995-6-1 6922 Modoc 1.3 km E of Day between Day and Lookout on County Road 94. 1200 Comment
  UC1060655  Collomia tinctoria Herbert L. Mason 1957-7-6 14718 Modoc Mill Creek Warner Mountains Comment
  CAS-BOT-BC225785  Comandra umbellata subsp. californica Bruce Bartholomew 1995-6-22 6968 Modoc 3.7 km NW of Day at W side of Little Hot Spring Valley. 1070 Comment
  JEPS114663  Conium maculatum Lowell Ahart, John Dittes 2008-8-25 15280 Modoc On the west bank of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout 1273 Comment
  CAS-BOT-BC242186  Corallorhiza maculata Bruce Bartholomew 1994-7-3 6828 Modoc Field redacted by CAS, contact the data manager for more information 1610 Comment
  UC1587092  Cordylanthus maritimus subsp. canescens G. Schoolcraft 1991-7-24 2185 Modoc ne Middle Alkali Lake; Leonard Hot Spring 1386 Comment
  RSA763574  Cornus glabrata Doris Bowers 1972-9-2 1895 Modoc Upper Camp, Rush Creek, N/o Adin 1220 Comment
  UC70425  Cornus nuttallii Milo S. Baker 1898-8-1 515 Modoc Bowen's Springs Comment
Read comments
Dec 11 2015
  CAS-BOT-BC210272  Cornus sericea Louis C. Wheeler 1935-8-14 3835 Modoc Modoc National Forest. Pine Creek, Warner Mts. 1584 Comment
  HSC100158  Cornus sericea J. P. Smith, & J. O. Sawyer 2011-8-14 13373 Modoc Along Jesse Valley Road, just E of the bridge over the Pit River. 1372 Comment
  HSC100159  Cornus sericea J. P. Smith, & J. O. Sawyer 2011-8-14 13374 Modoc Along Jesse Valley Road, just E of the bridge over the Pit River. 1372 Comment
  JEPS46248  Cornus sericea subsp. sericea F. H. Frost 1925-7-11 23 Modoc Cedar Canyon campsite 2 mi. above Cedarville Comment
  CAS-BOT-BC190768  Corydalis aurea R. M. Austin 1885-6-1 s.n. Modoc Hill slopes, Pitt River. Comment
  CAS-BOT-BC197567  Crataegus douglasii Belknap C. Goldsmith 1910-5-9 5 Modoc Fandango Creek, W slopes Warner Mts. 1584 Comment
  CHSC107319  Crataegus douglasii Lowell Ahart; John Dittes 2011-6-21 17529 Modoc On the north bank of Ash Creek, Ash Creek State Wildlife Area, 4,500 feet south of County Road 87, 2.7 miles (air) west of Adin, 9.1 miles (air) northeast of Bieber. 1271 Comment
  JEPS36447  Crepis acuminata Frances D. Payne 1931-6-11 150 Modoc Parker Creek Warner Mts. (n slope) 1584 Comment
  CAS-BOT-BC14917  Crepis bakeri subsp. cusickii Bruce Bartholomew 1991-6-21 5793 Modoc 1.6 km S of Davis Creek on U.S. Hwy 395. 1450 Comment
  CAS-BOT-BC14860  Crepis intermedia Bruce Bartholomew; Barrett Anderson 1988-6-25 4378 Modoc SW side of Jess Valley, Warner Mts.. 1540 Comment
  CAS-BOT-BC14897  Crepis intermedia David Daniels Keck; Jens Chr. Clausen 1935-6-24 3721 Modoc 3 mi. N of Davis Creek. 1524 Comment
  UC485362  Crepis occidentalis M. F. Gilman 1912-8-4 642 Modoc 1828 Comment
  HSC5454  Crepis occidentalis subsp. occidentalis R. C. Wunner 1965-7-1 333 Modoc Lava Beds N.M. Top of Gillems Bluff above NW Ranger Station. 1372 Comment
  CDA35638  Crepis occidentalis subsp. pumila J. R. Keck Jr., Pfeiffer 1985-6-6 PDR# 237690 Modoc On USFS Road 56, west of Lookout-Hackamore Road. 0 Comment
  RSA504618  Crepis occidentalis subsp. pumila Bruce Bartholomew, B. Anderson 1988-6-25 4384 Modoc 5.6 km NW of State Highway 299 on County Rd. 73. 1500 Comment
  POM75457  Cressa truxillensis Mrs. R. M. Austin 1898-07 2192 Modoc Lake shore Comment
  SEINET5357775  Cressa truxillensis L. C. Wheeler 1935-9-4 3951 Modoc Goose Lake, McGinty Point 1463 Comment
  CAS-BOT-BC14826  Crocidium multicaule Gordon H. True 1965-5-7 1880 Modoc Between Alturas and Goose Lake at Cedarville Rd. 1463 Comment
  CAS-BOT-BC14831  Crocidium multicaule Bruce Bartholomew; Barrett Anderson 1989-4-28 4649 Modoc 8.8 km N of State Highway 299 on road to Raker & Thomas Reservoir. 1470 Comment
  JEPS22547  Crocidium multicaule L. S. Smith 1919-3-20 1077 Modoc w of Alturas Comment
  UC1179049  Crocidium multicaule Herbert L. Mason 1949-4-16 13997 Modoc mesa e of Alturas Comment
  SEINET9592040  Croton setiger M. J. Williams 1985-8-13 85- 67 -1 Modoc Road into S end of Big Sage Reservoir, NW of Alturas. 1524 Comment
  CDA36150  Crupina vulgaris CDFA Staff Jun 1992 Modoc 0 Comment
  JEPS114431  Crypsis alopecuroides Lowell Ahart, John Dittes 2008-8-26 15352 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
  UCD59980  Crypsis vaginiflora A. A. Beetle 1944-8-15 3025 Modoc Southwest of Modoc County, 4 miles north of Lookout. Comment
  SDSU20122  Cryptantha affinis Lee Ripma, R. B. Kelley 2012-7-24 387 Modoc Side of FR31. 2386 Comment
  CAS-BOT-BC54132  Cryptantha ambigua Leland S. Smith 1919-6-5 1115 Modoc Deep Creek above Ranger Station. 1584 Comment
  CDA19937  Cryptantha ambigua D. Crum 2002-7-2 PDR 1151612 Modoc Northern California; Vicinity of Alturas 0 Comment
  UC1478048  Cryptantha celosioides Gregg Riegel 1980-7-15 896 Modoc 0.5 mi n Cottonwood Creek (and .12 mi w of headwaters of Little Jackson Canyon Creek); Modoc National Forest 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-BC54107  Cryptantha intermedia Roxana Stinchfield Ferris; R. Duthie 1919-6-13 33 Modoc Above Parker Creek at Modoc Nat. Forest Boundary. Comment
  SBBG25790  Cryptantha intermedia C. B. Hardham 1961-6-18 7545 a Modoc Cedar Pass Comment
  CAS-BOT-BC54112  Cryptantha simulans Alice Eastwood; John Thomas Howell 1940-6-14 8236 Modoc Near Hackamore. Comment
  UC711886  Cryptantha torreyana Roxana S. Ferris and Laura Lorraine 1941-8-13 10530 Modoc Patterson Ranger Station, East Creek drainage Warner Mts., Modoc National Forest, East Creek 2164 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
  UC1222086  Cupressus bakeri C. O. Stone 1963-12-26 278 Modoc approximately 1.5 mi s Gassaway Reservoir; Quadrangle 16C2 1097 Comment
  JEPS47127  Cuscuta approximata Mary H. Manning before Aug 1918 Modoc Ft. Bidwell; Condan Ranch Comment
  UC1037252  Cynoglossum occidentale Leo Whitney 1935-5-31 3160 Modoc White Horse Comment
  UC1100558  Cyperus squarrosus Malcolm A. Nobs and S. Galen Smith 1949-7-20 1053 Modoc 4 mi. w. Adin Comment
  UC698533  Cyperus squarrosus Louis C. Wheeler 1935-9-3 3938 Modoc McGinty Reservoir, Devil's Garden 1463 Comment
  UCR168541  Cyperus squarrosus L. C. Wheeler 1935-9-3 3938 Modoc McGinty Reservoir, Devil's Garden 1463 Comment
  UC1204928  Cypripedium montanum R. C. Wilson 1933-6-21 99 Modoc Rush Creek Camp Canby Quadrangle Comment
  UC4451  Cypripedium montanum Milo S. Baker 1893-6-29 Modoc Comment
  CAS-BOT-BC30213  Cystopteris fragilis Francis Dorris Payne 1932-6-12 539 Modoc Parker Creek. 1584 Comment
  CAS-BOT-BC30216  Cystopteris fragilis Francis Dorris Payne 1932-7-14 680 Modoc Parker Creek. Comment
  UC1037349  Cystopteris fragilis Leo Whitney 1935-5-20 3097 Modoc ca. 15 mi nw Canby (Hackamore); Modoc Nat'l forest 1463 Comment
  UCD60284  Dactylis glomerata L. D. Whitney 1945-8-3 s.n. Modoc Buck Creek. Comment
  CAS-BOT-BC242494  Danthonia californica Leland S. Smith 1917-7-2 63 Modoc Modoc National Forest - Head N.E.of Pine Creek 2286 Comment
  CDA31648  Danthonia unispicata A. A. Beetle 1941-6-29 2834 Modoc Near summit of Mt. Adin Comment
  RSA359360  Danthonia unispicata L. M. Shultz, John Shultz 1985-6-23 8595 Modoc Modoc Plateau at the western extension of the Great Basin, between Beeler and Duncan reservoirs north of Canby, near highway 139 1311 Comment
  UC1024675  Danthonia unispicata Leo Whitney 1934-5-18 2173 Modoc Timbered Mountain Modoc National Forest, Devil's Garden (ne portion of county) 1524 Comment
  CAS-BOT-BC214750  Dasiphora fruticosa Bruce Bartholomew 1990-8-4 5650 Modoc Slope NW of Linderman Lake along Owl Creek Trail, E side of Warner Mts. 2470 Comment
  CHSC112829  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-BC217339  Delphinium andersonii Bruce Bartholomew 1990-6-16 5278 Modoc Bear Flat, W side of Warner Mountains. 1830 Comment
  RSA59726  Delphinium decorum subsp. tracyi E. K. Balls 1950-5-18 14745 Modoc Upper Rush Creek Public Camp, 2.5 miles E from Hwy 299. 1829 Comment
  CAS-BOT-BC217344  Delphinium depauperatum Bruce Bartholomew; Barrett Anderson 1989-6-2 4841 Modoc Vicinity of Stough Reservoir, Warner Mountains. 1950 Comment
  UC1126018  Delphinium nudicaule R. C. Wilson 1933-5-26 30 Modoc above Pothole Gulch (rocky ridge top); Modoc National Forest, Canby Quadrangle Comment
  CAS-BOT-BC217306  Delphinium nuttallianum Roxana Stinchfield Ferris; R. Duthie 1919-6-15 1388 Modoc Parker Creen, Warner Mts. Comment
  CAS-BOT-BC217313  Delphinium nuttallianum Edward Kent Balls 1950-5-12 14367 Modoc Above Bucks Creek Ranger Station, E of Goose Lake. 1767 Comment
  CAS-BOT-BC217317  Delphinium nuttallianum Bruce Bartholomew; Mona Bourell 1990-4-27 5175 Modoc NW side of Rice Flat, ca. 2 km S of Adin Pass. 1540 Comment
  HSC27056  Delphinium nuttallianum D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-22 19336 Modoc Soup Springs Campground Comment
  UC1249267  Delphinium nuttallianum Arthur Cronquist and Arthur H. Holmgren 1959-6-20 8518 Modoc between Cedarville and Alturas; Warner Mts., Cedarville Pass 1920 Comment
  HSC13433  Deschampsia cespitosa M. T. Milligan 1966-8-3 630 Modoc W slope of Eagle Peak 2439 Comment
  CAS-BOT-BC242478  Deschampsia danthonioides Leland S. Smith 1924-5-31 s.n. Modoc Egg Lake Ranch near S end. Comment
  HSC9594  Deschampsia danthonioides M. T. Milligan 1964-7-1 115 Modoc W end of Ballard's Reservoir, along shore. 1372 Comment
  POM365026  Deschampsia danthonioides A. A. Beetle 1941-6-29 2838 Modoc south slope of Mt. Adin Comment
  UC1523780  Deschampsia danthonioides Gary Schoolcraft 1981-6-10 594 Modoc near Loveness Pond n. of Canby 1508 Comment
  UC53589  Deschampsia danthonioides M. S. Baker and Frank Nutting 1894-6-13 Modoc w. shore of Egg Lake Comment
  SEINET4566918  Deschampsia danthonioides I. Tidestrom 1910-6-25 3642 Modoc Sibley Draw, north fork Modoc Comment
  JEPS68508  Deschampsia elongata Leland S. Smith 1918-8-10 1069 Modoc Silver Creek Comment
  JEPS68509  Deschampsia elongata Leland S. Smith 1918-1 Modoc Comment
  UC71577  Descurainia incana Mrs. M. H. Manning 1903-1 62 Modoc near Fort Bidwell (ne Modoc County) Comment
  UC10806  Descurainia incisa subsp. filipes Mrs. R. M. Austin Jun 1898 2246 Modoc Lake City canyon; Lake City Comment
  UCD114669  Descurainia pinnata B. L. Kay 1956-6-14 s.n. Modoc Likely. Comment
  CAS-BOT-BC190759  Dicentra uniflora R. M. Austin; Bruce 1898-7-1 2154 Modoc Mt. Bidwell. Comment
  CAS-BOT-BC190761  Dicentra uniflora Bruce Bartholomew; Barrett Anderson 1988-5-13 4158 Modoc 4 km NW of Pepperdine, gentle W facing slope near top of the Warner Mts.. 1760 Comment
  CAS-BOT-BC248357  Dicentra uniflora B. Bartholomew; H. Sun 2002-6-24 8840 Modoc Ca. 1 km NW of Bald Mt., E side of the Warner Mountains 2290 Comment
  CHSC31503  Dicentra uniflora NEH Prouty 1980-6-9 185 Modoc SW of Payne Peak in a sagebrush opening about North Creek Rd. Plants of Modoc Nat. Forest, Warner Mt. District. Comment
  RSA520437  Dicentra uniflora Bruce Bartholomew, M. Bourell 1990-4-28 5205 Modoc Top of Hunters Ridge south of Rush Creek 1960 Comment
  UC1586937  Dichelostemma capitatum Juha Pykala and D. H. Norris 1987-5-27 1047 Modoc between Lower Rush Creek Campground and Upper Rush Creek Campground; Modoc National Forest 1493 Comment
  JEPS58091  Dichelostemma multiflorum Frances D. Payne 1929-6-21 13 Modoc s and e of Alturas; Warner Mountains, Parker Creek Comment
  UCR92844  Dichelostemma multiflorum Kathy Harper, Dane Karr 1994-6-16 s.n. Modoc Calif. Hwy 139 between Lookout-Hackamore Road and US Hwy 299 1340 Comment
  CAS-BOT-BC49471  Dieteria canescens var. shastensis John Thomas Howell 1934-7-1 12321 Modoc Duncan Horse Camp. 1355 Comment
  CAS-BOT-BC14848  Dimeresia howellii K. Paulson; Robert Paulson 1988-5-24 15 Modoc Granger Canyon, Warner Mts.. 1493 Comment
  JEPS102209  Dimeresia howellii J. Greenhouse 2001-6-9 5014 Modoc Warner Mountains, E end of ridge about 1.5 mi due E of Bald Mountain 2215 Comment
  POM301741  Dimeresia howellii Marion Ownbey, Fred Meyer 1940-7-1 2136 Modoc Cedar Pass, Warner Mountains Comment
  CAS-BOT-BC229910  Diplacus cusickioides P. Monnet 1913-7-7 882 Modoc Warner's Range. 1828 Comment
  CAS-BOT-BC234451  Diplacus nanus Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16413 Modoc Steep mountainside near summit of Cedar Pass. 1935 Comment
  CAS-BOT-BC234484  Diplacus nanus E. H. Steffen 1917-6-10 42 Modoc Jess Valley. 1524 Comment
  CAS-BOT-BC234490  Diplacus nanus Mrs. H. C. Cantelow 1935-6-8 980 Modoc S of Malin. Comment
  CAS-BOT-BC234439  Diplacus tricolor Leland S. Smith 1924-6-3 1363 Modoc Kramer Reservoir. 1310 Comment
  CAS-BOT-BC218297  Dodecatheon alpinum Robert J. Weatherby 1955-7-7 1600 Modoc Dismal Swamp. 2240 Comment
  UC22374  Dodecatheon conjugens Mrs. C. C. Bruce June 1898 2802 Modoc <?>ake<?>ly Mt. Comment
  CAS-BOT-BC218275  Dodecatheon conjugens var. conjugens C. C. (Mrs.) Bruce 1894-4-1 101 Modoc Davis Creek. Comment
  CAS-BOT-BC218279  Dodecatheon conjugens var. conjugens Leo David Whitney 1935-5-19 3108 Modoc Edge of Hackamore River, near Hackamore. Comment
  CAS-BOT-BC218286  Dodecatheon conjugens var. conjugens K. Paulson; Robert Paulson 1989-5-21 117 Modoc Crowder Flat Road, Devil's Garden. 1341 Comment
  JEPS101744  Dodecatheon pulchellum Dean W. Taylor 1992-5-8 12561 Modoc Warner Mountains, Mt. Bidwell, ca. 0.5 miles E of Moonlite Mines 2432 Comment
  CAS-BOT-BC95127  Downingia bacigalupii E. S. Willits 1940-6-10 343 Modoc Adin. Comment
  UC1025092  Downingia bacigalupii Leo Whitney 1934-5-27 1692 Modoc ca 15 mi nw Canby; Modoc National Forest, Hackamore 1463 Comment
  UC1608315  Downingia bacigalupii J. Kierstead 1991-7-5 91 -97 Modoc 1.9 mi nw town of Day Comment
  UC28969  Downingia bacigalupii Milo S. Baker 1893-7-25 Modoc near shore of Egg Lake Comment
  JEPS108446  Downingia bacigalupii Lisa Schultheis 1996-6-28 310 -96 Modoc Along E side of route 139, 18.1 mi S of Tionesta Rd. turnoff to Lava Beds. Comment
  UC1116673  Downingia bicornuta var. bicornuta Beecher Crampton 1960-6-17 5701 Modoc 13 mi w Canby; McKay Flat 1280 Comment
  UC28979  Downingia cuspidata Milo S. Baker 1893-6-18 Modoc near Egg Lake shore; Egg Lake Comment
  RSA611026  Downingia elegans L. C. Wheeler 1935-8-25 3916 Modoc Devil's Garden: Rimrock Valley Reservoir. 1524 Comment
  CHSC66295  Downingia insignis Vernon H. Oswald 1996-6-27 7902 Modoc Dorris Reservoir, Modoc National Wildlife Refuge, ca. 3 mi E of Alturas. Modoc Plateau. 1335 Comment
  CAS-BOT-BC95140  Downingia insignis Frederick H. Frost 1925-7-28 176 Modoc Between Likely and Alturas. Comment
  JEPS21908  Downingia laeta Herbert L. Mason and Verne Grant 1947-7-11 13369 Modoc s of Alturas (by Jones Lane, off Highway 395) Comment
  HSC80852  Draba albertina G. M. Riegel 1980-8-26 1109 Modoc S Warner Mtns. 2329 Comment
  JEPS90139  Draba densifolia Dean W. Taylor 1992-5-8 12558 Modoc 0.5 mi e of Moonlite Mines (Warner Mountains, Mount Bidwell); Warner Mountains, Mount Bidwell 2432 Comment
  CAS-BOT-BC58554  Draba densifolia Annie Montague Alexander; L. Kellogg 1946-8-9 5126 Modoc Patterson Lake Trail, Warner Mts. Comment
  UC10484  Draba densifolia Mrs. Bruce 1898-1 Modoc Comment
  CAS-BOT-BC58596  Draba novolympica Bruce Bartholomew 1991-8-5 6053 Modoc Summit Trail between Squaw Peak and Cottenwood Lake, crest of the Warner Mts. 2530 Comment
  CAS-BOT-BC41932  Draba novolympica Annie M. Alexander; Louise Kellogg 1946-8-9 5134 Modoc Between Squaw Peak and Warren Peak, Patterson Lake Trail, Warner Mountains. Comment
  CAS-BOT-BC58588  Draba verna Bruce Bartholomew; Barrett Anderson 1988-5-12 4101 Modoc White Horse. 1340 Comment
  CAS-BOT-BC58593  Draba verna Bruce Bartholomew; Barrett Anderson 1989-4-27 4620 Modoc 2.1 km SSE of Day on road to State Highway 299. 1020 Comment
  UCD99514  Drosera anglica J. P. Smith; J. O. Sawyer 1973-8-9 7281 Modoc Blue Lake, Modoc National Forest. 1828 Comment
  CAS-BOT-BC214766  Drymocallis glandulosa John Thomas Howell 1934-6-13 12073 Modoc Fandango Pass, Warner Mts. Comment
  HSC80705  Drymocallis glandulosa G. M. Riegel 1980-8-20 1076 Modoc S Warner Mtns. 1829 Comment
  UC71676  Drymocallis glandulosa var. glandulosa Mrs. M. H. Manning 1902-10-11 38 Modoc Warner Mts. Warner Mts. (ne Modoc County) Comment
  UC748059  Drymocallis lactea Annie M. Alexander and Louise Kellogg 1946-6-30 4876 Modoc Highgrade n end of Warner Mountains, Highgrade (w side of ridge, n end of Warner Mountains) 2377 Comment
  JEPS120526  Drymocallis lactea var. lactea L. P. Janeway, B. Castro 2012-7-24 10959 Modoc Warner Mountains. Along Forest Road / county Raod 2 (the road from new Pine Creek to Fort Bidwell) 1.4 air km east of Lily Lake and 1.8 air km southwest of Dismal Swamp. Comment
  CAS-BOT-BC14804  Dugaldia hoopesii Annie Montague Alexander; L. Kellogg 1946-7-7 4950 Modoc Eight Mile Creek, northeast corner of county 1752 Comment
  CAS-BOT-BC14850  Dugaldia hoopesii Elmer Ivan Applegate 1932-8-1 8046 Modoc Arid E slope of Warren Peak near summit, Warner Mountains Comment
  CAS-BOT-BC14808  Eatonella nivea Bruce Bartholomew 1991-5-24 5722 Modoc NE end of Surprise Valley, 6.5 km E of Fort Bidwell on road to Fee Reservoir. 1500 Comment
  CAS-BOT-BC95641  Elatine Louis Cutter Wheeler 1935-8-3 3763 Modoc Pine Creek, Warner Mts. 1737 Comment
  CHSC116187  Elatine Lowell Ahart; John Dittes 2015-7-15 20350 Modoc On the east side of Elkins Lane, about 200 yards northeast of the Parking Area, northwest of the old barn, Ask Creek State Wildlife Area, about 3.9 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  JEPS121236  Elatine Lowell Ahart, John Dittes 2013-7-24 18919 Modoc N side of Ash Creek Floodplain, 0.54 air miles SE of Pilot Butte parking area, 1.1 air miles S of County Road 87, 6.8 air miles W of Adin, Big Valley. Comment
  JEPS123980  Elatine Lowell Ahart, John Dittes 2015-7-15 20350 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
  RSA600329  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
  JEPS121185  Elatine californica Lowell Ahart, John Dittes 2013-7-24 18918 A Modoc Around a man-made pond, north side of Ash Creek floodplain, 0.54 air miles southeast of Pilot Butte parking area, 1.1 air miles south of County Road 87, 6.8 air miles west of Adin, Big Valley. Comment
  JEPS127189  Elatine californica Lowell Ahart, John Dittes 2016-7-14 21211 -A 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
  JEPS114834  Elatine rubella Lowell Ahart, John Dittes 2008-6-21 14980 Modoc West end of a large culvert, west of the large levee, mountain meadow, in Big Valley about 2.8 miles (air) north of the Headquarters at Ash Creek State Wildlife Area, about 5.4 miles (air) northeast of Bieber. 1255 Comment
  JEPS121186  Eleocharis acicularis Lowell Ahart, John Dittes 2013-7-25 18967 Modoc W of the road crossing, about 50 yards W of the N-S fence, S edge of Ash Creek floodplain, NW of Patterson Homestead, E of Elkins Lane, 1.0 air mile S of County Road 87, 3.14 air miles W of Adin, Big Valley. Comment
  POM313053  Eleocharis bella H. L. Mason 1947-8-13 13526 Modoc Northeast side of F reservoir, north of Canby Comment
  CAS-BOT-BC242386  Eleocharis macrostachya Louis Cutter Wheeler 1935-9-1 3935 Modoc Pine Spring, Devil's Garden. 1524 Comment
  SJSU9588  Eleocharis macrostachya W. Savage 1979-7-5 1352 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  UC1100736  Eleocharis macrostachya Herbert L. Mason, Verne Grant 1947-7-11 13371 Modoc S of Alturas (irrigation ditch by Jones' Lane, off Hwy 395) Comment
  JEPS124386  Eleocharis obtusa Lowell Ahart, John Dittes 2015-7-15 20355 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-BC247722  Elymus X hansenii Fred. P. Cronemiller 1920-8-1 28 Modoc Round Valley. 1402 Comment
  UC1137030  Elymus X saxicola August L. Hormay 1932-7-18 Modoc 2 mi s Badger Well Springs Comment
  JEPS74072  Elymus elymoides subsp. elymoides Frances D. Payne 1932-7-3 590 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  CAS-BOT-BC247736  Elymus glaucus Bruce Bartholomew 1989-8-11 5104 Modoc Vicinity of Patterson Ranger Station, S end of Warner Mountains. 2160 Comment
  UCD61796  Elymus glaucus L. Whitney 1935-7-6 Modoc Pit River. Stone Coal Valley. Comment
  JEPS73992  Elymus glaucus subsp. glaucus Frances D. Payne 1932-7-18 708 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  UCD62537  Elymus repens J. E. Street 1961-7-14 Modoc 1 mile east of Alturas. Comment
  UC1024984  Elymus trachycaulus Leo Whitney 1935-7-1 3375 Modoc ca 15 mi nw Canby; Modoc National Forest, Hackamore River, Hackamore 1463 Comment
  UC1037185  Elymus trachycaulus Leo Whitney 1935-7-23 3571 Modoc USBE Plot Modoc Nation Forest, Happy Camp (15 mi w of Canby) 1463 Comment
  CAS-BOT-BC247723  Elymus trachycaulus subsp. trachycaulus Ernest Christian Twisselmann 1966-9-22 6576 Modoc Ridge at the SE end of Long Valley. 2042 Comment
  SJSU9661  Elymus trachycaulus subsp. trachycaulus W. Savage 1979-7-9 1499 Modoc Round Valley, Triangle, Devils Garden District, Modoc National Forest 1493 Comment
  CAS-BOT-BC217288  Enemion stipitatum Bruce Bartholomew; Barrett Anderson 1989-4-27 4615 Modoc 2.1 km SSE of Day on road to State Highway 299. 1020 Comment
  CAS-BOT-BC81881  Ephedra viridis Barrett 1931-1 s.n. Modoc South end of Suprise Valley Comment
  CAS-BOT-BC191033  Epilobium angustifolium subsp. circumvagum Bruce Bartholomew 1991-7-6 5971 Modoc 0.8 km NE of Curtis Waterhole. 1310 Comment
  CAS-BOT-BC191015  Epilobium brachycarpum Bruce Bartholomew; Barrett Anderson 1989-6-2 4807 Modoc 9.3 km E of Fort Bidwell on road to Fee Reservoir, NE corner of Surprise Valley. 1580 Comment
  CAS-BOT-BC191019  Epilobium brachycarpum Bruce Bartholomew 1991-7-5 5931 Modoc Vicinity of Cow Head Spring between Dorris Bothers Reservoir and Cow Head Tank. 1510 Comment
  CAS-BOT-BC191032  Epilobium brachycarpum Alice Eastwood; John Thomas Howell 1940-6-15 8301 Modoc 5 mi. N of Lookout. Comment
  UC422932  Epilobium ciliatum subsp. ciliatum Milo S. Baker Aug. 1898 522 Modoc Forestdale Comment
  UC635378  Epilobium ciliatum subsp. ciliatum F. H. Frost 1925-7-25 159 Modoc Eagle Peak Warner Mountains Comment
  CAS-BOT-BC190980  Epilobium ciliatum subsp. glandulosum K. Paulson; Robert Paulson 1989-7-14 186 Modoc Vicinity of Cave Lake, N end of the Warner Mts. 1987 Comment
  RSA41238  Epilobium ciliatum subsp. glandulosum A. M. Alexander, Louise Kellogg 1946-7-11 4964 Modoc Slope west of Eight Mile Creek, northeast corner of Modoc County Comment
  UC748247  Epilobium clavatum Annie M. Alexander and Louise Kellogg 1946-8-1 5105 Modoc e side of divide Warner Mountains, Eagle Peak 3019 Comment
  NY1000280  Epilobium glaberrimum B. M. Bartholomew 1990-7-21 5569 Modoc North Barber Creek, road from Surprise Valley to Patterson Ranger Station, east side of Warner Mountains 1710 Comment
  CAS-BOT-BC190971  Epilobium glaberrimum subsp. fastigiatum Bruce Bartholomew 1992-8-9 6396 Modoc Upper region of Owl Creek drainage, on cliffs, E of Summit Trail, E side of Warner Mountains. 2620 Comment
  NY1000359  Epilobium hallianum B. M. Bartholomew 1991-7-4 5909 Modoc Roney Flat 1460 Comment
  CAS-BOT-BC497462  Epilobium obcordatum B. Bartholomew 1992-8-8 6369 Modoc Vicinity of Patterson Lake, E side of Warner Mountains 2750 Comment
  UCR34769  Epilobium obcordatum J. A. Harpel 1981-8-6 V- 15 Modoc Warner Mtns, South Warner Wilderness Area: E end of Patterson Lake, 7 mi NW of Eagleville 2744 Comment
  CAS-BOT-BC190929  Epilobium pallidum Herbert Louis Mason; Verne Grant 1947-7-13 13441 Modoc Joseph Creek on Hwy 395. Comment
  CAS-BOT-BC190940  Epilobium pallidum Bruce Bartholomew 1991-7-4 5898 Modoc S end of Higgins Flat. 1370 Comment
  CAS-BOT-BC190872  Epilobium pygmaeum Robert Folger Thorne; et al 1969-9-4 39122 Modoc Margin of N Fork of Pit River, 3.4 mi. N of Alturas from crossing by Hwy 395. 1341 Comment
  CAS-BOT-BC190873  Epilobium pygmaeum John Thomas Howell 1934-7-2 12351 Modoc Morvitz Creek, 1 mi. S of Clear Lake. Comment
  CAS-BOT-BC190860  Epilobium torreyi Bruce Bartholomew 1994-7-1 6748 Modoc 7.6 km NW of County Road 91 between Lookout and Lookout Jct. on County road 93. 1280 Comment
  UC4491  Epipactis gigantea M. S. Baker and Frank Nutting 1894-6-30 Modoc near Lookout; Big Valley Comment
  HSC867  Equisetum hyemale subsp. affine M. T. Milligan 1966-4-8 454 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
  CHSC116080  Equisetum laevigatum Lowell Ahart; John Dittes 2015-7-16 20393 Modoc North edge of Ash Creek (destroyed), southeast of the gravel pit (destroyed), about 1/8 mile east of the parking area on the east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  CAS-BOT-BC248311  Eremogone aculeata B. Bartholomew; H. Sun 2002-6-24 8850 Modoc E of Bald Mt., on the E side of the Warner Mountains 2130 Comment
  CAS-BOT-BC95472  Eremogone aculeata Bruce Bartholomew 1990-6-15 5245 Modoc Top of Manzanita Mountain in vicinity of Manzanita Lookout. 2130 Comment
  CAS-BOT-BC95481  Eremogone aculeata Bruce Bartholomew; Mona Bourell 1990-4-27 5195 Modoc 1.1 km E of the Modoc National Forest boundary on Parker Creek Road. 1660 Comment
  CAS-BOT-BC95495  Eremogone aculeata Bruce Bartholomew; Barrett Anderson 1989-6-3 4892 Modoc ca. 5 km E of the SE corner of Clear Lake Reservoir. 1450 Comment
  CHSC118084  Eremogone aculeata L. P. Janeway 2016-5-16 12004 Modoc Modoc Plateau. Devils Garden area; along Road 46N02 3.4 road-km south-southeast of Road 47N09/73/181; about 5.2 air-km north of Crowder Mtn Reservoir. 1570 Comment
  HSC80715  Eremogone aculeata G. M. Riegel 1980-7-24 583 Modoc S Warner Mtns. 1829 Comment
  CAS-BOT-BC95449  Eremogone congesta Annie Montague Alexander; L. Kellogg 1946-6-10 4708 Modoc Lava bench between Lower and Snake lakes. Comment
  CAS-BOT-BC95451  Eremogone congesta John H. Hatton 1911-6-12 41 Modoc Modoc County. 1524 Comment
  CHSC112140  Eremogone congesta var. crassula Dean Wm. Taylor 2012-6-5 21222 Modoc Vicinity Crank Spring (11 air miles North of Lookout). 1365 Comment
  SJSU9557  Eremogone congesta var. simulans W. Savage 1979-7-3 1296 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  CHSC112363  Eremogone congesta var. subcongesta L. P. Janeway; B. Castro 2014-6-2 11282 Modoc Great Basin. Along County Road5 1.0 km west of the southwest corner of Cow Head Lake. 1627 Comment
  SJSU9535  Eremogone congesta var. subcongesta W. Savage 1979-7-3 1272 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  SEINET12875573 Image available Eremogone congesta var. subcongesta John Thomas Howell, Alice Eastwood 1940-1 8110 Modoc Surprise Comment
  CAS-BOT-BC14811  Ericameria bloomeri Mrs. M. H. Manning 1905-9-15 s.n. Modoc Near Hall's Meadows. Comment
  HSC67900  Ericameria greenei J. P. Smith, J. O. Sawyer 1973-8-8 7241 Modoc S slopes of Eagle Peak 2561 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
  UC193100  Ericameria nauseosa var. oreophila Mrs. R. M. Austin 1894-8-1 Modoc n of Alturas Comment
  UC1192131  Ericameria nauseosa var. oreophila Herbert L. Mason and Verne Grant 1947-7-12 13409 Modoc sw of Alturas (w side of the South Fork of Pit River Valley; Vernal pool); South Fork of Pit River Valley Comment
  HSC5328  Ericameria nauseosa var. speciosa M. T. Milligan 1966-7-28 598 Modoc E slope eroded volcanic plateau 1677 Comment
  UC75822  Ericameria parryi var. latior Milo S. Baker 1899-8-18 Modoc Little Hot Spring Valley Comment
  UC31494  Erigeron Milo S. Baker 1893-8-9 Modoc Comment
  CAS-BOT-BC42843  Erigeron austiniae K. Paulson; Robert Paulson 1988-5-22 5 Modoc Engle Swamp Road, Devil's Garden. 1402 Comment
  SBBG29975  Erigeron bloomeri C. L. Hitchcock 1940-5-27 6669 Modoc 15 mi NE of Alturas 1615 Comment
  SEINET10617400  Erigeron bloomeri Billy Joe Cox, Paul Gallian 1971-6-3 Cox 2612 Modoc 6 mi. N of Alturas on U.S. Hwy. 395, W facing slope, in middle of grassland pasture edging into Artemisia which adjoins Juniper woodland. 1341 Comment
  CAS-BOT-BC42846  Erigeron bloomeri var. bloomeri Alice Eastwood; John Thomas Howell 1940-6-12 8084 Modoc Jess Valley. Comment
  UC895614  Erigeron chrysopsidis var. austiniae C. L. Hitchcock 1940-5-27 6652 Modoc 9 mi ne Alturas 1402 Comment
  UC895684  Erigeron chrysopsidis var. austiniae Lewis S. Rose 1940-6-12 40542 Modoc 9 mi ne Alturas; Cedar Pass Rd 152 Comment
  HSC67926  Erigeron compositus J. P. Smith, J. O. Sawyer 1973-8-8 7225 Modoc Near summit of Eagle Peak 2988 Comment
  RSA164349  Erigeron compositus Clare B. Hardham 1961-6-19 7889 Modoc Road from Mount Bidwell to Dismal Creek 2439 Comment
  CAS-BOT-BC42781  Erigeron divergens Roxana S. Ferris; Rena P. Duthie 1919-6-14 180 Modoc Parker Creek at Modoc Nat. Forest Boundary. Comment
  HSC5514  Erigeron divergens M. T. Milligan 1964-6-6 14 Modoc N side of Dorris Reservoir along shore 1372 Comment
  JEPS127166  Erigeron divergens Lowell Ahart, John Dittes 2016-7-14 21154 Modoc South of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. Comment
  RSA607255  Erigeron eatonii L. C. Wheeler 1935-8-4 3783 Modoc Dry Lake, Pine Creek. Warner Mts. 2104 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
  CAS-BOT-BC42795  Erigeron eatonii var. plantagineus Mrs. H. C. Cantelow 1941-5-23 s.n. Modoc Hwy 299 just E of Adin Pass Summit. 1576 Comment
  SBBG22132  Erigeron eatonii var. plantagineus C. B. Hardham 1961-6-18 7573 Modoc mtns S of Cedar Pass 1981 Comment
  SJSU9697  Erigeron eatonii var. plantagineus W. Savage 1979-7-10 1538 Modoc Oregon Rim Unit, Devils Garden District, Modoc National Forest Comment
  RSA14492  Erigeron elegantulus Elmer I. Applegate 1929-6-24 5891 Modoc Between Alturas and Davis Creek. Comment
  UC748397  Erigeron filifolius Annie M. Alexander and Louise Kellogg 1946-7-17 4999 Modoc South Fork Davis Creek Warner Mountains, South Fork Davis Creek 1676 Comment
  CAS-BOT-BC42772  Erigeron filifolius Annie Montague Alexander; L. Kellogg 1946-6-18 4790 Modoc Patterson Mill Road. Comment
  CAS-BOT-BC49617  Erigeron glacialis var. glacialis Elmer Ivan Applegate 1932-7-9 7593 Modoc N slope of Bidwell Mountain, Warner Mountains Comment
  HSC81105  Erigeron glacialis var. glacialis G. M. Riegel 1980-8-6 994 Modoc S Warner Mtns. 2100 Comment
  SEINET8667553 Image available Erigeron inornatus M. J. Williams 1983-9-13 83- 151 -3 Modoc along side of road from Alturas to Cedarville, 3.8 mi W of Cedar Pass, 6.7 mi from junction of Hwy 299 and Cedarville road 1554 Comment
  CAS-BOT-BC49637  Erigeron inornatus var. inornatus Leland S. Smith 1922-7-24 1290 Modoc Grouse Mt. 1981 Comment
  HSC67879  Erigeron inornatus var. inornatus J. P. Smith, J. O. Sawyer 1973-8-8 7250 Modoc 1.5 mi. N of Patterson Guard Station on Summit Trail, S Warner Wilderness 2439 Comment
  CAS-BOT-BC49602  Erigeron linearis Elmer Ivan Applegate 1929-6-24 5891 Modoc Betweeen Alturas and Davis Creek. Comment
  CAS-BOT-BC49642  Erigeron linearis M. M. Hanna 1956-6-4 945 Modoc Cedar Pass, lava mesa along highway to Cedarville. Comment
  UC1561045  Erigeron linearis Dean Wm. Taylor with Glenn L. Clifton 1989-8-5 10452 Modoc cirque headwall above South Emerson Lake (Emerson Creek drainage); Warner Mountains, Emerson Creek 2560 Comment
  UC748380  Erigeron linearis Annie M. Alexander and Louise Kellogg 1946-8-9 5137 Modoc Patterson Lake Trail Warner Mountains, Patterson Lake Trail Comment
  CAS-BOT-BC295508  Erigeron linearis Mrs. R. M. Austin 1894-6-1 s.n. Modoc East of Emigrant Springs Comment
  JEPS41566  Erigeron linearis L. S. Smith 1919-6-5 1116 Modoc Deep Creek Warren Mts., Deep Creek 1584 Comment
  UC1035994  Erigeron linearis Helen K. Sharsmith 1955-6-23 4493 Modoc 6.7 mi e Cedar Campground (just s of State Highway 29); Warner Mountains, Modoc National Forest 1859 Comment
  RSA550621  Erigeron peregrinus subsp. callianthemus Bruce Bartholomew, B. Anderson 1988-7-23 4581 Modoc Dismal Swamp, Warner Mountains. 2180 Comment
  RSA606127  Erigeron peregrinus subsp. callianthemus L. C. Wheeler 1935-8-8 3806 Modoc Consolidated Mine, Pine Creek, Warner Mountains. 2287 Comment
  CAS-BOT-BC49577  Erigeron philadelphicus Annie Montague Alexander; L. Kellogg 1946-8-10 5149 Modoc 0.5 mi. beyond Porter Reservation Road. Comment
  UC748388  Erigeron philadelphicus var. philadelphicus Annie M. Alexander and Louise Kellogg 1946-8-10 5149 Modoc 0.5 mi beyond Porter Resvr. Rd. (small camp in firs for hunters); Warner Mountains Comment
  UCR92402  Erigeron pumilus subsp. intermedius Kathy Harper, D. Karr 1994-6-16 s.n. Modoc Modoc Plateau, near Spaulding Lake, along Calif. Hwy 139, c. 15 mi. south of Tionesta Road, NW of Canby near Hackamore 1160 Comment
  POM36265  Erigeron pumilus subsp. intermedius Mrs. R. M. Austin 1895-08 574 Modoc Alturas Comment
  UC748127  Erigeron tener Annie M. Alexander and Louise Kellogg 1946-7-23 5045 Modoc summit Emerson Peak; Warner Mountains, Emerson Peak 2749 Comment
  RSA293359  Eriogonum douglasii var. douglasii Reino Alava 1957-7-5 1155 Modoc Cedar Pass, Modoc National Forest, Warner Mountains Comment
  CAS-BOT-BC246494  Eriogonum douglasii var. meridionale Elmer I. Applegate 1932-8-1 8019 Modoc Crest of Warner Mountains just south of Warren Peak Comment
  CAS-BOT-BC197819  Eriogonum elatum Bruce Bartholomew; Barrett Anderson 1988-7-23 4557 Modoc Road beyond Poison Lake ca. 8 km S of the road from U.S. Highway 395 to Lily Lake, Warner Mts.. 2140 Comment
  CAS-BOT-BC197826  Eriogonum elatum Annie Montague Alexander; L. Kellogg 1946-7-7 4919 Modoc Highway south of town, Fort Bidwell. Comment
  UC85863  Eriogonum elatum Mrs. R. M. Austin Modoc Comment
  UCR35563  Eriogonum heracleoides var. angustifolium J. A. Harpel 1981-8-7 V 55 Modoc Warner Mountains, South Warner Wilderness Area, junction of Pine Creek Basin trail and Summit Trail, 7 mi NW of Eagleville 2683 Comment
  JEPS56884  Eriogonum heracleoides var. heracleoides W. L. Jepson 1918-8-13 7965 Modoc Eagle Peak Warner Mts., Eagle Peak 3017 Comment
  RSA601441  Eriogonum heracleoides var. heracleoides Louis C. Wheeler 1935-8-2 3750 Modoc Warner Mountains: Twenty Mile Creek. 2195 Comment
  RSA65209  Eriogonum heracleoides var. heracleoides F. W. Peirson 1926-6-25 6863 Modoc Warner Mountains; not far below summit in small side canyon; Cedarville Road, west slope 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
  CAS-BOT-BC211440  Eriogonum nudum var. pubiflorum Margaret J. Williams 1983-7-29 83- 115 -1 Modoc Stowe Reservoir Rd. N of Cedar Pass, Warner Mts. 2072 Comment
  CHSC114006  Eriogonum nudum var. pubiflorum L. P. Janeway 2014-7-8 11463 Modoc Modoc Plateau. East corner of Dry Creek Rim; along Road 47N08 (Corral Creek Road) 3.1 road-km north-northwest of Road 48 (along the west edge of Goose Lake). 1650 Comment
  HSC17327  Eriogonum nudum var. pubiflorum M. T. Milligan 1964-7-20 153 Modoc N end of Jess Valley, near Mill Creek. 1677 Comment
  JEPS56618  Eriogonum nudum var. pubiflorum W. L. Jepson 1918-8-6 7845 Modoc Surprise Valley 1447 Comment
  RSA210870  Eriogonum nudum var. pubiflorum Robert F. Thorne, C. W. Tilforth 1969-9-4 39052 Modoc Along N Fork of Pit River, 11.8 miles N of Alturas along Highway 395. 1372 Comment
  RSA216054  Eriogonum nudum var. pubiflorum J. L. Gentry Jr., Earl Jensen Jr. 1968-7-4 2114 Modoc 3.9 miles west of Highway junction California 139 and California 299, on California 299 at Pit River. 1341 Comment
  CAS-BOT-BC211402  Eriogonum nudum var. pubiflorum Frederick H. Frost 1925-7-13 71 Modoc Roadside S of Cedarville, Warner Mts. Comment
  CAS-BOT-BC211403  Eriogonum nudum var. pubiflorum Harry Dwight Dillon Ripley; Rupert Charles Barneby 1944-6-1 6030 Modoc Canyon of Warner Mts. back of Cedarville. 1219 Comment
  NY762341  Eriogonum nudum var. pubiflorum B. M. Bartholomew 1988-6-23 4245 Modoc 4.2 km northwest of Day. Fall River Mills 15' Quad. Comment
  SEINET5330946  Eriogonum nudum var. pubiflorum N. H. Holmgren, James Lauritz Reveal 1964-8-21 1717 Modoc Warner Range, Modoc National Forest, about 5 miles southwest of Eagleville on the Eagleville-Likely Road, Comment
  UCR40347  Eriogonum ovalifolium G. R. Ballmer, G. F. Pratt 1985-7-15 s.n. Modoc Warner Mtns., near the summit of Mount Bidwell 2500 Comment
  CAS-BOT-BC211397  Eriogonum ovalifolium var. nivale Bruce Bartholomew 1990-8-4 5646 Modoc Top of pass on Summit Trail, ca. 0.5 km SE of Patterson Lake, E side of Warner Mts. 2800 Comment
  UC585246  Eriogonum ovalifolium var. ovalifolium E. B. Babcock, G. L. Stebbins Jr. 1936-6-9 1815 Modoc about 3 mi w Cedarville (Cedar Creek Canyon); Warner Mountains, Cedar Creek Canyon Comment
  JEPS109844  Eriogonum prociduum Dean W. Taylor 2004-5-13 19067 Modoc 11 air miles SSW of Alturas; jeep road ascending to plateau from County Road 62, ca. 1.5 mi S73degE of mapped location of Wade Williams Spring on quadrangle 1524 Comment
  HSC81002  Eriogonum spergulinum var. reddingianum G. M. Riegel 1979-7-30 622 Modoc S Warner Mtns. 1829 Comment
  JEPS56345  Eriogonum spergulinum var. reddingianum W. L. Jepson 1918-8-7 7871 Modoc Mt. Bidwell 2377 Comment
  RSA26444  Eriogonum sphaerocephalum J. T. Howell 1940-6-11 8014 Modoc 6 mi. N.E. of Adin on road to Candy, Modoc Co. Comment
  CAS-BOT-BC211386  Eriogonum sphaerocephalum var. halimioides A. D. Borden Modoc S of Shields Creek. Comment
  CAS-BOT-BC211425  Eriogonum sphaerocephalum var. halimioides Bruce Bartholomew; Barrett Anderson 1988-6-25 4395 Modoc 5.6 km NW of State Highway 299 on County Road 73. 1500 Comment
  CHSC100839  Eriogonum sphaerocephalum var. halimioides L. P. Janeway; B. Castro 2008-8-17 9575 Modoc Warner Mountains. 2.4 km east of Bald Mountain; broad saddle between Daniels Creek and an unnamed northern branch of Soldier Creek. 2209 Comment
  CHSC42183  Eriogonum sphaerocephalum var. halimioides C. E. Laver 1985-7-12 Modoc Ca. 18 mi sw of Alturas and 0.5 mi sw of Graven Reservoir. 1524 Comment
  CHSC67274  Eriogonum sphaerocephalum var. halimioides James D. Jokerst 1990-8-2 3211 B Modoc Hwy. 139 NW of Canby, ca. 300 m N of the road at the SE edge of a large dry lake, within the dry-down zone adjacent to a concrete overflow structure. Comment
  SEINET11261408  Eriogonum sphaerocephalum var. halimioides D. H. Norris, T. Nelson; Steve Dowty 1971-6-23 19385 Modoc Along Hager Basin Road near Big Sage Reservoir.; 0 Comment
  UC201707  Eriogonum sphaerocephalum var. halimioides W. P. Taylor and H. C. Bryant 1910-7-13 Modoc Head N. Fork Parker Cr. Warner Mountains, N. Fork Parker Cr. 2286 Comment
  UC466004  Eriogonum sphaerocephalum var. halimioides W. P. Taylor and H. C. Bryant 1910-6-26 Modoc Parker Cr. Warner Mountains, Parker Cr. 1920 Comment
  SEINET5331612  Eriogonum sphaerocephalum var. halimioides M. J. Williams 1962-7-8 s.n. Modoc North of Cedar Pass. 2134 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-BC211375  Eriogonum umbellatum Bruce Bartholomew 1991-8-5 6069 Modoc Summit Trail between Squaw Peak and Cottenwood Lake along crest of Warner Mts. 2530 Comment
  CAS-BOT-BC211328  Eriogonum umbellatum var. dichrocephalum J. L. Reveal; Darin Scott Reveal 1978-8-11 4821 Modoc Warner Mts., along Modoc Co. Rd. 2 from near New Pine Creek to Fort Bidwell, just E of Poison Lake turnoff about 5.4 miles E of US Hwy 395 1935 Comment
  JEPS120514  Eriogonum umbellatum var. glaberrimum L. P. Janeway, B. Castro 2012-7-25 10991 Modoc Warner Mountains. Low broad dridge 1.1 km east of Dismal Swamp. Comment
  CHSC70475  Eriogonum umbellatum var. modocense S. Stearns 1997-5-15 2246 Modoc Adjacent to Pipeline ROW just NW of the Mowitz Rd. 1524 Comment
  JEPS3933  Eriogonum umbellatum var. modocense N. T. Mirov 1929-6-16 Modoc e on Fandango Valley road Goose Lake (Buck Creek Ranger Station); Warner Mountains, Buck Creek Ranger Station 1554 Comment
  NY399206  Eriogonum umbellatum var. modocense R. J. Weatherby 1955-7-8 1633 Modoc Northern Juniper Woodland. 3 miles north or Fort Bidwell, Warner Mountains. 1554.5 Comment
  UCR55660  Eriogonum umbellatum var. modocense G. R. Ballmer 1988-7-21 s.n. Modoc Warner Mtns., Warner Mountains, Bidwell Mountain, c. 3 mi. south of Oregon border in extreme NE corner of state Comment
  NY399261  Eriogonum umbellatum var. nevadense B. M. Bartholomew 1989-7-15 5017 Modoc Manzanita Lookout, top of Manzanita Mountain 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-BC197615  Eriogonum umbellatum var. polyanthum Alice Eastwood; John Thomas Howell 1940-6-14 8213 Modoc 8 mi. NW of Canby. Comment
  CAS-BOT-BC197780  Eriogonum umbellatum var. polyanthum Barrett Anderson 1986-7-9 3158 Modoc Warner Mts, Hwy 299 just W of Cedar Pass. 1920 Comment
  RSA601665  Eriogonum umbellatum var. stellatum Louis C. Wheeler 1935-8-3 3773 Modoc Pine Creek 1951 Comment
  CAS-BOT-BC197588  Eriogonum vimineum Bruce Bartholomew; Barrett Anderson 1990-7-21 5563 Modoc N Barber Creek, road from Surprise Valley to Patterson Ranger Station, E side of Warner Mts. 1710 Comment
  NY399569  Eriogonum vimineum B. M. Bartholomew 1991-6-22 5856 Modoc Northeast side of Surprise Valley on road to Fee Reservoir, 6.4 km east of Fort Bidwell 1490 Comment
  HSC17398  Eriogonum vimineum M. T. Milligan 1964-7-24 163 Modoc Badger Wells Rd. at Boles Creek Crossing 1524 Comment
  NY399819  Eriogonum vimineum R. M. Austin s.n. Modoc Goose Lake Valley Comment
  UCD101535  Eriogonum vimineum J. M. Tucker 1951-7-25 1971 Modoc beside highway 139, 26.4 miles southeast of Tule Lake. Comment
  CAS-BOT-BC49554  Eriophyllum lanatum Mrs. H. C. Cantelow 1940-6-1 s.n. Modoc Cedar Pass, Warner Mts., east of Alturas. Comment
  CAS-BOT-BC49564  Eriophyllum lanatum Bruce Bartholomew; Barrett Anderson 1988-7-21 4422 Modoc S end of Whitehorse Flat Reservoir. 1340 Comment
  CAS-BOT-BC49568  Eriophyllum lanatum Bruce Bartholomew 1989-7-15 5001 Modoc Sweagert Flat. 1860 Comment
  CAS-BOT-BC49593  Eriophyllum lanatum John Thomas Howell 1934-7-1 12307 Modoc Duncan Horse Camp. 1355 Comment
  POM66628  Eriophyllum lanatum var. achilleoides Mrs. R. M. Austin 1896-07 567 Modoc Goose Lake Valley Comment
  UC614627  Eriophyllum lanatum var. achilleoides L. Constance 1938-6-12 2334 Modoc 12.8 mi ne of Alturas (plateau near foot of Banner Grade, Cedar Pass road, w foothills of Warner Range); Warner Range, Cedar Pass road, Banner Grade Comment
  RSA14501  Eriophyllum lanatum var. achilleoides Elmer I. Applegate 1929-6-24 5892 Modoc Between Alturas and Davis Creek Comment
  UC1484471  Eriophyllum lanatum var. achilleoides Dale E. Johnson with J. E. Eckenwalder 1974-6-15 130 Modoc 1.6 w of crossing of Pit River on Hwy 299 (Adin-Canby road) (sw of Canby); Hwy 299, Pit River Comment
  HSC5597  Eriophyllum lanatum var. integrifolium M. T. Milligan 1966-7-3 530 Modoc E of Jess Valley 1890 Comment
  UC31680  Eriophyllum lanatum var. integrifolium Milo S. Baker 1893-7-1 Modoc Lava Beds Comment
  JEPS127182  Erodium cicutarium Lowell Ahart, John Dittes 2016-7-14 21173 Modoc South of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. Comment
  JEPS117164  Eryngium alismifolium Lowell Ahart, John Dittes 2010-8-30 17063 Modoc About 5 yards east of the fence, south edge of the meadow, Ash Creek State Wildlife Area, 2,300 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley 1267 Comment
  JEPS16996  Eryngium alismifolium M. S. Baker and Franklin P. Nutting 1894-8-30 Modoc Egg Lake Comment
  JEPS25824  Eryngium alismifolium Leland S. Smith June, 1924 1384 Modoc Egg Lake Ranch Comment
  SD230150  Eryngium alismifolium Louis C. Wheeler 1935-8-21 3900 Modoc Devil'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
  CHSC100392  Eryngium articulatum Lowell Ahart; John Dittes 2008-8-25 15285 Modoc On the west bank (flood plain) of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-notheast of Lookout. 1273 Comment
  CHSC71846  Eryngium articulatum Vernon H. Oswald; Lowell Ahart 1998-9-8 9589 Modoc County Rd. 93 adjacent to the RR at Lookout Junction northwest of Lookout; 1280 Comment
  JEPS114397  Eryngium articulatum Lowell Ahart, John Dittes 2008-8-25 15285 Modoc On the west bank (flood plain) of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-notheast of Lookout 1273 Comment
  RSA504614  Eryngium articulatum Bruce Bartholomew, B. Anderson 1988-7-21 4406 Modoc 2.1 km SSE of Day on the road to state Highway 299 1020 Comment
  UC1487324  Eryngium articulatum Lisa Ganio 1981-9-1 18 Modoc at mouth of s.w. drainage of Bayley Reservoir 1584 Comment
  CHSC66980  Eryngium mathiasiae James D. Jokerst 1987-6-24 2940 Modoc SE of Doblehead Mtn., 2 mi due S of Lone Pine Lake, medium-sized isolated vernal pool adjacent to USFS primitive road. Comment
  CHSC67325  Eryngium mathiasiae James D. Jokerst 1986-8-11 2757 Modoc Radar Site Survey S of Doublehead Mtn., S of Road to Doublehead Mtn. Comment
  UCD77704  Eryngium mathiasiae Robert E. Preston 2000-7-17 1390 Modoc Ca. 11 mi nw of Canby, on n side of Hwy 139, 2.5 mi e of Forest Service Rd. 1490 Comment
  UC1487347 Image available Eryngium mathiasiae Yusuf Sheikh and Lincoln Constance 1973-6-27 551 Modoc 9.8 mi wwn Canby (on State Highway 139); ; WWN of Canby, Hwy. 139, Modoc Co. Comment
  CAS-BOT-BC58329  Erysimum capitatum var. capitatum Mrs. H. C. Cantelow 1940-6-1 3756 Modoc Cedar Pass, Warner Mts. Comment
  CDA3715  Erysimum cheiranthoides T. C. Fuller 1958-8-12 2071 Modoc Corporation Ranch, Likely. 0 Comment
  JEPS53548  Erysimum repandum W. L. Jepson 1918-8-6 7849 Modoc Fandango Pass Surprise Valley (fields) 1447 Comment
  CAS-BOT-BC234504  Erythranthe guttata Francis Whittier Pennell 1940-6-8 25749 Modoc W of Cedar Pass. 1828 Comment
  CAS-BOT-BC234510  Erythranthe guttata Bruce Bartholomew; Barrett Anderson 1988-6-24 4347 Modoc South Barber Creek, 6.3 km SW of County Road 1 on County Road 42, E side of the Warner Mts.. 1790 Comment
  CAS-BOT-BC234528  Erythranthe lewisii Bruce Bartholomew; Barrett Anderson 1988-7-22 4525 Modoc Mill Creek, Lake City Canyon, 5.5 km W of Lake City, E side of the Warner Mts.. 1860 Comment
  CAS-BOT-BC234458  Erythranthe primuloides Bruce Bartholomew 1995-7-30 7067 Modoc NE side of Big Valley Mountains, W of Lookout Junction. 1310 Comment
  CAS-BOT-BC234469  Erythranthe pulsiferae Bruce Bartholomew 1995-7-30 7041 Modoc 3.9 km E of Day on County Road 94 just beyond the ridge crest. 1390 Comment
  CAS-BOT-BC234435  Erythranthe tilingii Elmer Ivan Applegate 1932-8-3 8139 Modoc Western slope of Eagle Peak. Comment
  NY499984  Eschscholzia californica B. M. Bartholomew 1989-6-3 4917 Modoc 9 km west of County Route 91 along the north side of the Pit River 1340 Comment
  CDA19882  Euphorbia crenulata C. Pirosko 2002-7-1 s.n. Modoc Northern California; Long Bell, USFS Plantation off County Rd 91. 0 Comment
  CDA36284  Euphorbia virgata C. Pirosko 2004-1 s.n. Modoc Tulelake area? 0 Comment
  CAS-BOT-BC15163  Eurybia integrifolia Roxana Stinchfield Ferris; L. Lorraine 1941-8-14 10592 Modoc Three miles from Patterson Ranger Station on road to Eagleville, Warner Mountains Comment
  UC71688  Euthamia occidentalis Mrs. M. H. Manning 1903-8-26 330 Modoc near Fort Bidwell; ne Modoc Co. Comment
  UC88084  Euthamia occidentalis Mrs. R. M. Austin September 1894 204 Modoc Goose Lake Comment
  CAS-BOT-BC247705  Festuca idahoensis John Thomas Howell 1934-6-11 11928 Modoc Parker Creek. 1584 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
  CHSC118818  Festuca idahoensis L. P. Janeway 2014-7-8 11477 Modoc Modoc Plateau. East corner of Dry Creek Rim; along Road 47N08 (Corral Creek Road) 5.1 road-km north-northwest of Raod 48 (along the west edge of Goose Lake). 1759 Comment
  POM203058  Festuca idahoensis J. T. Howell 1934-6-30 12293 Modoc Duncan Horse Camp. Comment
  RSA0069320  Festuca idahoensis Dean Wm. Taylor 2014-6-10 21483 Modoc Vicinity Mud Lake; County Road 91 (Lookout to Tule Lake) at the junction with Modoc National Forest road 42N56. 1432 Comment
  UC60787  Festuca idahoensis M. S. Baker and Frank Nutting 1894-1 Modoc Comment
  UC1025056  Festuca pratensis Leo Whitney 1935-7-21 3580 Modoc 15 mi w Canby; Modoc National Forest, Happy Camp 1463 Comment
  POM182007  Floerkea proserpinacoides F. W. Peirson 1926-6-25 6888 Modoc 1 mile east of summit of Cedarville Road, Warner Mountains Comment
  RSA25411  Floerkea proserpinacoides C. L. Hitchcock 1940-5-27 6696 Modoc 15 miles NE of Alturas. 1616 Comment
  POM204120  Floerkea proserpinacoides J. T. Howell 1934-6-14 12130 Modoc Near Lost Lake, Warner Mts. 2439 Comment
  POM76594  Frasera albicaulis var. modocensis Mrs. R. M. Austin 1894-07 517 Modoc Goose Lake Valley Comment
  CAS-BOT-BC242110  Fritillaria atropurpurea K. Paulson; Robert Paulson 1988-6-11 32 Modoc North of Stough Reservoir, Warner Mts.. 1706 Comment
  CHSC31498  Fritillaria atropurpurea N. E. H. Prouty 1980-6-19 189 Modoc Fitzhugh Timber Sale. Modoc Nat. Forest, Warner Mt. District. 2133 Comment
  CAS-BOT-BC242104  Fritillaria atropurpurea E. H. Steffen 1917-6-21 50 Modoc Henderson Meadow. 1676 Comment
  CHSC30634  Fritillaria pudica N. E. H. Prouty 1980-6-2 171 Modoc Sheep Rock T. S. Rising above Dry Creek. Modoc Nat. Forest, Warner Mt. District. Comment
  HSC15555  Fritillaria pudica M. T. Milligan 1964-4-25 Modoc 1 mi. up Barns Grade Rd. at stock pens Comment
  JEPS61945  Fritillaria pudica Mary H. Manning 1911-4-2 Modoc about 100 feet above Rhett Lake ((Tule Lake), e side) Comment
  CAS-BOT-BC304315  Gaillardia pulchella B. Bartholomew 1991-10-13 6126 Modoc Ca 1.5 km SE of Adin on County Rd 88 1240 Comment
  CAS-BOT-BC225044  Galium aparine Bruce Bartholomew; Barrett Anderson 1989-6-3 4864 Modoc Quaking Aspen Spring, between Goose Lake and Clear Lake Reservoir. 1500 Comment
  CAS-BOT-BC225051  Galium aparine Bruce Bartholomew 1991-6-22 5855 Modoc NE side of Surprise Valley on road to Fee Reservoir, 6.4 km E of Fort Bidwell. 1490 Comment
  HSC19783  Galium aparine M. T. Milligan 1965-6-23 304 Modoc N end Jess Valley 1616 Comment
  CAS-BOT-BC225058  Galium bifolium Bruce Bartholomew; Barrett Anderson 1989-6-2 4843 Modoc Vicinity of Stough Reservoir, Warner Mountains. 1950 Comment
  CAS-BOT-BC225065  Galium glabrescens subsp. glabrescens Clare Butterworth Hardham 1961-6-18 7540 Modoc 3.2 mi. E of summit of Cedar Pass. Comment
  CAS-BOT-BC497345  Galium glabrescens subsp. modocense G. Schoolcraft 1999-6-9 2830 Modoc Lower slopes of Warner Mtns., 3.5 mi N of Eagleville 1584 Comment
  RSA252407  Galium trifidum var. pusillum Robert F. Thorne, C. W. Tilforth 1969-9-5 39168 Modoc Modoc National Forest, Warner Mountains, Clear Lake. 1768 Comment
  UC1408970  Galium trifidum var. pusillum R. F. Thorne and C. W. Tilforth 1969-9-5 39168 Modoc Clear Lake Modoc National Forest, Warner Mts. 1767 Comment
  CAS-BOT-BC225084  Galium triflorum Bruce Bartholomew; Barrett Anderson 1988-7-22 4531 Modoc Mill Creek, Lake City Canyon, 5.5 km W of Lake City, E side of the Warner Mts.. 1860 Comment
  CHSC109739  Galium triflorum B. Castro; L. P. Janeway 2012-7-28 1981 Modoc Warner Mountains. Along the major eastern tributary of Pine Creek where the road to Poison Lake crosses it (the road washed out here). 1943 Comment
  CHSC85401  Galium triflorum John Dittes; Josephine Guardino 1991-8-24 462 Modoc Modoc Plateau; Warner Mountains; west slope, ca. 8.2 air-miles east of Goose Lake, ca. 2.3 air-miles south of Dismal Swamp, ca. 1.6 air-mile west of Bidwell Mtn.; tributary of Bidwell Creek west of Highgrade Road. 2087 Comment
  CAS-BOT-BC180119  Garrya fremontii Leland S. Smith 1917-9-12 157 Modoc Buck Creek. 1828 Comment
  RSA101495  Gayophytum decipiens R. Weatherby 1955-7-8 1609 -B Modoc 7 miles north of Ft. Bidwell, northern Warner Mts. 1875 Comment
  RSA31282  Gayophytum decipiens H. C. Cantelow 1940-6-2 s.n. Modoc About 10 miles NW of Canby, on road to Lava Beds Monument Comment
  CAS-BOT-BC190856  Gayophytum decipiens Mrs. H. C. Cantelow 1940-6-2 4030 Modoc NW of Canby, road to lava beds. Comment
  JEPS27527  Gayophytum diffusum subsp. parviflorum W. L. Jepson 1918-8-7 7863 Modoc Mt. Bidwell 2133 Comment
  SD7789  Gayophytum diffusum subsp. parviflorum Mrs. R. M. Austin Jul 1874 Modoc Goose Lake Valley Comment
  CAS-BOT-BC190830  Gayophytum humile Bruce Bartholomew 1993-6-14 6655 Modoc 5.5 km E of County Road 114 on County Road 108, NW of Clear Lake Reservoir. 1440 Comment
  RSA31283B  Gayophytum racemosum Frances D. Payne 1934-8-29 s.n. Modoc Parker Creek 1585 Comment
  CAS-BOT-BC190824  Gayophytum ramosissimum Bruce Bartholomew; Barrett Anderson 1989-6-3 4873 Modoc Boles Creek, ca. 5.5 km E of the SE corner of Clear Lake Reservoir. 1430 Comment
  CAS-BOT-BC180115  Gentiana affinis var. ovata Bruce Bartholomew 1994-8-21 6861 Modoc Squaw Peak Trail, E side of the Warner Mountains. 2450 Comment
  POM260876  Geranium richardsonii Alice Eastwood, J. T. Howell 1940-6-13 8121 Modoc Near Davis Creek. Comment
  CAS-BOT-BC180057  Geranium viscosissimum Leland S. Smith 1917-7-10 93 Modoc Granger Mill Camp. 1828 Comment
  CHSC109459  Geranium viscosissimum B. Castro; L. P. Janeway 2012-7-24 1953 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. 7740 Comment
  UC748252  Geranium viscosissimum Annie M. Alexander and Louise Kellogg 1946-6-30 4878 Modoc Highgrade, w side of ridge, n end of Warner Mountains Warner Mountains 2377 Comment
  UC17135  Geranium viscosissimum Milo S. Baker 1893-7-15 Modoc Comment
  NY1101443  Geranium viscosissimum var. nervosum M. S. Baker 1893-7-15 s.n. Modoc Comment
  RSA252487  Geum macrophyllum Robert F. Thorne, C. W. Tilforth 1969-9-5 39173 Modoc Modoc National Forest, Warner Mts, along Fall Creek below Falls. 1738 Comment
  CAS-BOT-BC214665  Geum triflorum Elmer Ivan Applegate 1932-7-9 7594 Modoc N slope of Bidwell Mountain, Warner Mts. Comment
  CAS-BOT-BC214669  Geum triflorum K. Paulson; Robert Paulson 1988-5-22 1 Modoc Boles Creek, Devil's Garden. 1402 Comment
  CAS-BOT-BC214658  Geum triflorum Mrs. H. C. Cantelow 1940-6-2 4300 Modoc NW of Canby Comment
  SD133745  Geum triflorum Milo S. Baker 1893-6 Modoc Pine woods. 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
  RSA504665  Geum triflorum var. ciliatum K. Paulson, R. Paulson 1988-5-22 s.n. Modoc Boles Creek, Devil's Garden. 1402 Comment
  RSA59708  Geum triflorum var. ciliatum E. K. Balls 1950-5-20 14792 Modoc South Fork Public Camp, South Fork Pit River, Likely to Clear Lake. 1433 Comment
  CAS-BOT-BC190700  Gilia capillaris Bruce Bartholomew; Barrett Anderson 1990-7-20 5519 Modoc Tamarack Flat, E side of Warner Mts. 2150 Comment
  RSA63721  Gilia congesta var. montana Verne Grant, Alva Grant 1950-7-14 8944 Modoc North flank of Cedar peak near summit, Warner Mts., Modoc Co. 2287 Comment
  CAS-BOT-BC190695  Gilia inconspicua Bruce Bartholomew 1991-5-24 5697 Modoc Surprise Valley, 6.6 km E of Eagleville. 1390 Comment
  CAS-BOT-BC190677  Gilia modocensis Lewis Samuel Rose 1940-6-12 40524 Modoc 5 mi. E of Likely 1524 Comment
  CAS-BOT-BC190673  Gilia sinistra subsp. sinistra Louis Cutter Wheeler 1935-8-13 3833 Modoc Barnes Creek, Warner Mts. 1828 Comment
  CAS-BOT-BC218301  Glaux maritima Bruce Bartholomew 1992-5-15 6284 Modoc Vicinity of Leonard Hot Spring, E side of Surprise Valley. 1370 Comment
  RSA603007  Glyceria borealis L. C. Wheeler 1935-10-5 4021 Modoc N Fork Pit River at Parker Creek. 1372 Comment
  HSC10710  Glyceria elata M. T. Milligan 1966-6-30 511 Modoc Slopes and ridges E of Jess Valley 1768 Comment
  JEPS69275  Glyceria elata Leland S. Smith 1918-8-18 1040 Modoc South Fork East Creek; Modoc National Forest, Eagle Peak Range 2499 Comment
  JEPS117376  Gnaphalium palustre Lowell Ahart, John Dittes 2010-8-30 17075 Modoc About 10 yards west of the fence, south edge of the meadow, Ash Creek State Wildlife Area, 2300 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley. Comment
  UCD132417  Gnaphalium palustre Herbert L. Mason; Verne Grant 1947-7-12 13425 Modoc near south end of west side road, along railroad tracks, Pit River Valley, south of Alturas. Comment
  CHSC85149  Gratiola ebracteata John Dittes; Josephine Guardino 1991-7-21 444 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-BC229891  Gratiola neglecta John Thomas Howell 1934-6-15 12201 Modoc Dorris Reservoir, 2 mi. E of Alturas. Comment
  JEPS21904  Gratiola neglecta Herbert L. Mason and Verne Grant 1947-7-11 13374 Modoc irrigation ditch near w side road s Alturas (South Fork of Pit River); South Fork of Pit River Comment
  RSA210886  Gratiola neglecta Robert F. Thorne, James Henrickson, C. W. Tilforth 1969-9-4 39100 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-BC95535  Grayia spinosa Bruce Bartholomew; Barrett Anderson 1989-4-29 4692 Modoc E side of Surprise Valley, just W of the Nevada border and ca. 15 km E of Cedarville. 1500 Comment
  CAS-BOT-BC49539  Grindelia hirsutula Bruce Bartholomew; Barrett Anderson 1988-7-21 4403 Modoc 2.1 km SSE of Day on the road to state Hwy 299. 1020 Comment
  SEINET3146837  Grindelia hirsutula M. S. Baker sn Modoc Forest Dale Comment
  SDSU20106  Hackelia californica Lee Ripma, R. B. Kelley 2012-7-24 385 Modoc Side of FR31. 2386 Comment
  CAS-BOT-BC54086  Hackelia cusickii Mrs. H. C. Cantelow 1940-6-2 Modoc 10 mi. NW of Canby on road to Lava Beds National Monument. Comment
  CAS-BOT-BC54094  Hackelia cusickii John Thomas Howell 1934-6-11 11960 Modoc Parker Creek, Warner Mountains 1584 Comment
  CAS-BOT-BC54098  Hackelia cusickii E. S. Willits 1940-5-20 278 Modoc Between Perez and Canby. Comment
  RSA565105  Hackelia cusickii D. W. Taylor 1992-5-7 12527 Modoc 0.5 miles E of Duncan Reservoir, on western rim of Black Canyon. 1524 Comment
  UCD77747  Hackelia cusickii Robert E. Preston 2000-6-2 1361 Modoc Modoc Plateau, along Hwy 139, ca. 2.5 mi e of Forest Service Road 44N11. 1493 Comment
  CAS-BOT-BC54053  Hackelia micrantha Francis Dorris Payne 1929-7-7 47 Modoc Pine Creek Basin, Warner Mountains 2316 Comment
  CAS-BOT-BC54056  Hackelia micrantha Francis Dorris Payne 1931-6-21 225 Modoc Ridge W of Deep Creek, Warner Mountains 1981 Comment
  UC881645  Hackelia micrantha C. L. Hitchcock 1940-5-27 6692 Modoc 15 mi ne of Alturas 1615 Comment
  HSC80930  Hackelia micrantha G. M. Riegel 1979-7-3 454 Modoc S Warner Mtns. 1670 Comment
  JEPS117167  Helianthus annuus Lowell Ahart, John Dittes 2010-8-30 17072 Modoc About 150 yards west of the fence, south edge of the meadow, Ash Creek State Wildlife Area, 2,300 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley 1267 Comment
  JEPS19752  Helianthus cusickii Rimo Bacigalupi with S. Galen Smith 1957-6-28 5986 Modoc on road cut along U.S. Hwy 299 2 mi e (S.P) railroad crossing 1310 Comment
  RSA505417  Helianthus cusickii R. C. Bacigalupi 1957-6-28 5986 Modoc On road along US Hwy 299, 2 miles east of railroad crossing (S.P.) near Canby 1311 Comment
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Jul 31 2007
  RSA92483  Helianthus cusickii F. W. Peirson 1926-6-26 6902 Modoc between Alturas and Canby Comment
  UC727055  Helianthus cusickii A. A. Heller 1941-6-26 16221 Modoc Four miles east of Canby, along US Highway 299. Comment
  RSA0012973  Helianthus nuttallii subsp. nuttallii Mrs. R. M. Austin 1895-08 587 Modoc Patterson Modoc Comment
  CAS-BOT-BC49379  Hemizonella minima R. M. Austin 1894-8-1 Modoc Sugar Loaf Hill. Comment
  UC748467  Heracleum lanatum Annie M. Alexander and Louise Kellogg 1946-7-12 4982 Modoc n.e. corner Modoc Co., Twelve Mile Creek Comment
  POM77803  Heracleum maximum Mrs. R. M. Austin 1895-07 176 Modoc Davis Creek Comment
  CAS-BOT-BC180049  Hesperochiron californicus Bruce Bartholomew; M; M. Gilbert; L. E. Skog 1993-5-11 6492 Modoc Junction of Crowder Flat Road and the road to the N side of Big Sage Reservoir. 1580 Comment
  UC1537542  Hesperochiron pumilus Gordon H. True Jr. 1938-5-25 917 Modoc between Widow Valley and Day 1219 Comment
  CAS-BOT-BC179170  Hesperolinon micranthum Frances D. Payne 1932-7-11 692 Modoc Parker Creek. 1584 Comment
  CAS-BOT-BC179181  Hesperolinon micranthum Frank Warrington Peirson 1926-6-25 6858 Modoc Cedarville Road, about 10 mi. E of Alturas. Comment
  JEPS101014  Hesperolinon micranthum Dean W. Taylor 1989-8-4 10525 Modoc Emerson Creek drainage; Cole Creek, on road to Emerson Camp from Surprise Valley Comment
  UC1212251  Hesperolinon micranthum Herbert L. Mason 1946-7-13 13448 Modoc w end of pass near Goose Lake (on road to Ft. Bidwell); Fandango Pass Comment
  POM203073  Hesperolinon micranthum J. T. Howell 1934-6-30 12258 Modoc Duncan Horse Camp. Comment
  UC217547  Hesperostipa comata H. M. Hall 1921-9-9 11663 Modoc 6 mi from Malin (northern Modoc Co.) Comment
  CAS-BOT-BC225789  Heuchera cylindrica Annie Montague Alexander; L. Kellogg 1946-7-23 5042 Modoc E slope Emerson Peak, Warner Mts. Comment
  SEINET195678  Heuchera cylindrica Annie M. Alexander, L Kellogg 1946-7-29 5089 Modoc Warner Mountains; Head of Eagle Creek. Comment
  HSC69529  Hieracium albiflorum Gary Schoolcraft 1980-7-22 325 Modoc Lake City Canyon 1890 Comment
  POM229874  Hieracium albiflorum L. C. Wheeler 1935-8-14 3837 Modoc Pine Creek. Warner Mtns. 2011 Comment
  UC194095  Hieracium nudicaule Milo S. Baker Jul 3 1893-Jan 1 1900 Modoc Comment
  CAS-BOT-BC49482  Hieracium scouleri Roxana Stinchfield Ferris; L. Lorraine 1941-8-14 10578 Modoc 3 mi. from Patterson Ranger Station on road to Eagleville, Warner Mtns., Modoc N.F. Comment
  CAS-BOT-BC49519  Hieracium scouleri Roxana Stinchfield Ferris; L. Lorraine 1941-8-14 10610 A Modoc Summit of Fandango Pass, on road between Fort Bidwell and Pine Creek, Warner Mtns., Modoc N.F. 1889 Comment
  CHSC38986  Hieracium scouleri J. D. Jokerst 1983-6-18 1860 Modoc Forest adjacent to meadow. 0.4 miles south of Crowder Flat on forest service road 73. Comment
  JEPS5976  Hieracium scouleri Frances D. Payne 1932-7-22 735 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  CAS-BOT-BC214690  Holodiscus microphyllus var. glabrescens Annie Montague Alexander; L. Kellogg 1946-7-23 5061 Modoc Emerson Peak, Warner Mts. Comment
  CAS-BOT-BC214705  Holodiscus microphyllus var. glabrescens Bruce Bartholomew; Barrett Anderson 1988-7-22 4488 Modoc Vicinity of East Creak Trailhead, southern end of the Warner Mts. 2210 Comment
  HSC18678  Holodiscus microphyllus var. glabrescens M. T. Milligan 1966-7-5 558 Modoc Slopes and ridges E of Jess Valley 1646 Comment
  HSC10152  Hordeum brachyantherum M. T. Milligan 1965-6-26 341 Modoc 1677 Comment
  CAS-BOT-BC247684  Hordeum brachyantherum subsp. brachyantherum Bruce Bartholomew 1989-8-11 5096 Modoc Vicinity of Patterson Ranger Station, S end of Warner Mountains. 2160 Comment
  CAS-BOT-BC247690  Hordeum brachyantherum subsp. brachyantherum Bruce Bartholomew; Barrett Anderson 1990-7-19 5404 Modoc Turner Creek at County Rd 90, N end of Big Valley, 6.4 km N of Lassen County border. 1230 Comment
  UCD14404  Hordeum jubatum Sheryl Gill 1996-9-3 s.n. Modoc At the Tule Lake National Wildlife Refuge - 'Frey's Island' Sites D, E, and F; in the south-east part of the refuge in southern sump; 'Captain Jack's Stronghold' GS map quad; 1229 Comment
  UCSB16425  Hordeum jubatum Hardham, Clare 1961-6-19 Modoc Willow Creek; Warner Mountains Comment
  UCD85688  Hordeum jubatum subsp. intermedium Beecher Crampton 1954-7-7 2160 Modoc 2.5 miles east of Alturas. Near Radio Station KCNO. Comment
  UCD85780  Hordeum marinum subsp. gussoneanum A. A. Beetle; G. L. Stebbins Jr. 1942-5-30 3275 Modoc 3.5 miles E of Adin. Comment
  UC1024886  Hordeum murinum subsp. glaucum Leo Whitney 1935-5-26 3131 a Modoc Adin Comment
Read comments
May 5 2009
  CAS-BOT-BC214709  Horkelia fusca var. pseudocapitata R. M. Austin 1895-7-1 500 Modoc Willow Creek, Devil's Garden. Comment
  SD87678  Hydrophyllum capitatum Frank W. Peirson 1926-6-25 6875 Modoc Warner MTs. Cedarville Rd. 1 mi E of summit. Comment
  CAS-BOT-BC179332  Hydrophyllum capitatum var. alpinum Bruce Bartholomew; Barrett Anderson 1989-4-29 4688 Modoc Surprise Valley Road, just S of the Oregon border, extreme NE corner of Modoc County. 1630 Comment
  CAS-BOT-BC179333  Hydrophyllum capitatum var. alpinum Elmer Ivan Applegate 1932-7-9 7588 Modoc N slope of Bidwell Mountain. Comment
  CAS-BOT-BC179337  Hydrophyllum capitatum var. alpinum Edward Kent Balls 1950-5-12 14638 Modoc Above Bucks Creek Ranger Station. 1737 Comment
  HSC65629  Hydrophyllum capitatum var. alpinum J. P. Smith, J. O. Sawyer 1972-5-6 5261 Modoc USFS Road to Quail Spring at Hwy. 299 N of Adin 1463 Comment
  CAS-BOT-BC179898  Hypericum anagalloides Bruce Bartholomew; Barrett Anderson 1990-7-20 5537 Modoc Buck Creek between Del Pratt Spring and Howard Flat, W side of Warner Mts. 1990 Comment
  CAS-BOT-BC179904  Hypericum anagalloides Bruce Bartholomew 1995-7-30 7066 Modoc NE side of Big Valley Mountains, W of Lookout Junction. 1310 Comment
  CAS-BOT-BC58445  Idahoa scapigera Bruce Bartholomew; Barrett Anderson 1988-5-14 4201 Modoc Pease Cabin, 0.8 km E of Fletcher Creek on USFS road 47N09 between Goose Lake and Crowder Flats. 1550 Comment
  RSA59821  Idahoa scapigera E. K. Balls 1950-5-18 14757 Modoc N of Upper Rush Creek Public Camp; 2.5 mi. east from Hwy. 299 1738 Comment
  POM143736  Idahoa scapigera Mrs. R. M. Austin 1894-05 s.n. Modoc Goose Lake Valley. Comment
  UC1713786  Idahoa scapigera Milo S. Baker 1896-5-20 76 Modoc Big Valley, Johnson's Big Valley Comment
  UCD150424  Idahoa scapigera Harry A. George 1967-6-15 s.n. Modoc S. of Adin. Comment
  JEPS3970  Ipomopsis aggregata N. T. Mirov 1929-6-28 Modoc Fandango Valley Warner Mtns 1584 Comment
  JEPS4127  Ipomopsis aggregata Frances D. Payne 1929-6-28 32 Modoc se Alturas (Parker Creek); Warner Mtns 1584 Comment
  CAS-BOT-BC245101  Iris missouriensis K. Paulson; Robert Paulson 1989-7-4 172 Modoc Ca. 0.5 mi. S of Patterson Ranger Station, S end of Warner Mts. 2240 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
  POM109053  Iris missouriensis Mrs. R. M. Austin 1895-06 498 Modoc Goose Lake Valley Comment
  CAS-BOT-BC58405  Isatis tinctoria Thomas C. Fuller 1963-7-16 10913 Modoc E side of Fandango Pass Rd., 1.8 mi. E of Hwy 395 to Willow Ranch. Comment
  SEINET5342458  Isatis tinctoria M. J. Williams 1984-6-29 84- 73 -1 Modoc Fandango Pass road, Warner Mountains. 0.8 miles east of Hwy. 395. 1463 Comment
  RSA639341  Isoetes bolanderi L. C. Wheeler 1935-8-14 3857 Modoc Cave Lake, Pine Creek, Warner Mtns. (Mt Diablo Mer.) 2073 Comment
  RSA639347  Isoetes howellii L. C. Wheeler 1935-8-5 3785 Modoc Brandy, E fork Bidwell Creek. (Mt Diablo mer.) 2409 Comment
  RSA520341  Iva axillaris subsp. robustior Bruce Bartholomew, B. Anderson 1989-6-2 4831 Modoc 6.4 km E of Eagleville on the road to the California state border, E side of Surprise Valley. 1550 Comment
  RSA565014  Ivesia baileyi var. beneolens D. W. Taylor 1990-6-25 11164 Modoc Cedar Pass, northerly slopes of Peak 7298. 2149 Comment
  CAS-BOT-BC214722  Ivesia gordonii Annie Montague Alexander; L. Kellogg 1946-8-9 5140 Modoc Patterson Lake Trail, Warner Mts. Comment
  CAS-BOT-BC214723  Ivesia gordonii Annie Montague Alexander; L. Kellogg 1946-7-30 5096 Modoc E slope near summit of Eagle Peak, Warner Mts. Comment
  CHSC99252  Juncus ambiguus Lowell Ahart; John Dittes 2008-6-21 15002 Modoc On damp to dry bare soil, around a new man made shallow pond, mountain meadow, in Big Valley, about 3.3 miles (air) north-northeast of the Headquarters at Ash Creek State Wildlife Area, about 6.0 miles (air) northeast of Bieber. 1260 Comment
  CHSC117266  Juncus articulatus subsp. articulatus Lowell Ahart; John Dittes 2016-7-14 21203 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
  UC1100954  Juncus balticus Herbert L. Mason 1947-8-15 13546 Modoc e side Goose Lake (on Willow Ranch); , Mouth of Crane Creek Comment
  RSA0113961  Juncus bufonius var. bufonius Lowell A. Ahart, John Dittes 2013-7-24 18929 Modoc About 50 yards south of the levee road, north side of Ash Creek Floodplain, 0.54 mile (air) southeast of Pilor 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
  RSA0113962  Juncus bufonius var. occidentalis Lowell A. Ahart, John Dittes 2013-7-24 18930 Modoc About 50 yards south of the levee road, north side of Ash Creek Floodplain, 0.54 mile (air) southeast of Pilor 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-BC245066  Juncus confusus Louis Cutter Wheeler 1935-9-23 4001 Modoc Pease Flat, Devil's Garden. 1524 Comment
  UC1601868  Juncus ensifolius Baker and Nutting 1894-7-6 Modoc Dixie Valley Comment
  UC1536801  Juncus ensifolius Gordon H. True Jr. 1939-6-30 1018 Modoc e of Alturas; Parker Creek Comment
  CHSC30638  Juncus nevadensis N. E. H. Prouty 1980-7-1 193 Modoc Modoc Nat. Forest. Bear Flat T.S. Along drainage running south from Bear Flat Pond into Soup Creek. 1798 Comment
  HSC14092  Juncus nevadensis M. T. Milligan 1965-6-23 310 Modoc N end Jess Valley 1616 Comment
  UC1587051  Juncus nevadensis G. Schoolcraft 1991-7-25 2190 Modoc about 1.5 mi w Canby 1325 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
  UC1601787  Juncus nevadensis Baker and Nutting Aug 1894 Modoc Comment
  RSA368256  Juncus orthophyllus George Willet 1935-6-14 s.n. Modoc 4 miles E of Likely. 1524 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
  JEPS48237  Juniperus communis Frances D. Payne 1932-7-1 653 Modoc 2 mi sw Warren Peak; Warner Mts., Pine Creek Basin Comment
  CAS-BOT-BC30163  Juniperus communis var. montana Bruce Bartholomew 1990-6-16 5262 Modoc W side of Pine Creek Basin, Warner Mountains. 2200 Comment
  CAS-BOT-BC81194  Juniperus occidentalis Elmer I. Applegate 1929-7-29 6083 Modoc Clear Lake Comment
  CAS-BOT-BC81198  Juniperus occidentalis Florence Angwin 1946-5-4 s.n. Modoc Adin Comment
  UC1134338  Juniperus occidentalis R. C. Wilson 1933-6-27 54 Modoc Rush Creek Modoc National Forest, Canby Quad., Rush Creek 1463 Comment
  UC401375  Juniperus occidentalis Belknap C. Goldsmith 1911-5-21 Modoc county road near Goose Lake; Modoc National Forest 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
  RSA597867  Juniperus occidentalis var. occidentalis F. C. Vasek 1962-9-2 620902 -13 Modoc 4.2 miles east of Likely 1738 Comment
  RSA93401  Juniperus occidentalis var. occidentalis Milo S. Baker 1936-6-14 8315 Modoc Malin to Quarantine Station Comment
  CAS-BOT-BC248318  Kalmia polifolia B. Bartholomew; H. Sun 2002-6-24 8869 Modoc Between Dismal Swamp and Cave Lake, W slope of the Warner Mountains near the Oregon border 2140 Comment
  CAS-BOT-BC95675  Kalmia polifolia Bruce Bartholomew; Barrett Anderson 1988-6-24 4345 Modoc Vicinity of Blue Bell Mine between Lily Lake and and Fort Bidwell on County Road 2, Warner Mts.. 2190 Comment
  RSA604326  Kalmia polifolia subsp. microphylla L. C. Wheeler 1935-8-4 3776 Modoc Pine Creek, Warner Mts. 2210 Comment
  HSC30200  Kelloggia galioides D. H. Norris, S. Dowty, T. Nelson 1971-6-23 19514 Modoc Big Valley Summit, 6 mi. W of Adin on Hwy. 299 Comment
  POM299547  Kelloggia galioides Marion Ownbey, Fred G. Meyer 1940-7-1 2149 Modoc Cedar Peak, Warner Mountains. Comment
  UC705396  Kelloggia galioides Marion Ownbey, Fred G. Meyer 1940-7-1 2149 Modoc Cedar Peak; Warner Mts. Comment
  NY539717  Kochia americana B. M. Bartholomew 1989-6-2 4832 Modoc 6.4 km east of Eagleville on the road to the California state border, east side of Surprise Valley 1550 Comment
  CAS-BOT-BC247651  Koeleria macrantha Leland S. Smith 1917-7-4 101 Modoc Above Cedarville. 1828 Comment
  UCD85811  Koeleria macrantha J. C. Hays 1940-7-2 s.n. Modoc Modoc County. No location given. Comment
  CDA7516  Lactuca tatarica subsp. pulchella T. C. Fuller 1958-7-8 2029 Modoc Davis Creek. 0 Comment
  JEPS114458  Lactuca tatarica subsp. pulchella Lowell Ahart, John Dittes 2008-8-26 15344 Modoc On the banks of Rose Creek, 250 feet southwest of the confluence of Rose Creek and Pit River, on the northwest side of unnamed road, 3,160 feet east of intersection with County Road 85a, 9.3 miles (air) north-northeast of Lookout 1276 Comment
  UC89214  Lagophylla ramosissima Mrs. R. M. Austin 1894-7-1 Modoc Davis Creek Comment
  CAS-BOT-BC49499  Lagophylla ramosissima subsp. ramosissima Bruce Bartholomew 1989-7-14 4942 Modoc Stone Coal Valley, 3.2 km W of State Hwy 299. 1340 Comment
  CAS-BOT-BC49500  Lagophylla ramosissima subsp. ramosissima James D. Jokerst 1983-7-27 1902 Modoc Near Signal Butte. 1340 Comment
  CHSC110887  Lagophylla ramosissima subsp. ramosissima Lowell Ahart; John Dittes 2012-7-12 18376 Modoc On the east side of Elkins Lane, about 100 yards north of the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1262 Comment
  RSA0113971  Lagophylla ramosissima subsp. ramosissima Lowell A. Ahart, John Dittes 2008-8-25 15327 Modoc On the west side of County Road 91, 3.9 miles (air) north-north-east of Lookout. Comment
  CAS-BOT-BC179874  Lamium amplexicaule Leland S. Smith 1919-5-7 1093 Modoc Jess Valley-Clarke Ranch. 1676 Comment
  JEPS63245  Lamium amplexicaule L. S. Smith 1919-5-7 1093 Modoc Jess Valley; Warner Mts. Comment
  CAS-BOT-BC54066  Lappula redowskii R. M. Austin 1894-5-1 Modoc Davis Creek. Comment
  CAS-BOT-BC54070  Lappula redowskii Elmer Ivan Applegate 1936-5-4 10235 Modoc Lava Beds National Monument, near Hospital Rock, northern boundary. Comment
  JEPS32733  Lappula redowskii Mrs. R. M. Austin and Bruce June 1898 2269 Modoc Goose Lake Valley Comment
  UC71569  Lappula redowskii Mrs. M. H. Manning c. 1899 170 Modoc Fort Bidwell n.e. Modoc Co., Fort Bidwell Comment
  CAS-BOT-BC49452  Lasthenia glaberrima Bruce Bartholomew 1991-10-12 6110 Modoc Ash Creek, 1.8 km S of County Rd. 87 on County Rd. 87A. 1280 Comment
  CHSC85155  Lasthenia glaberrima John Dittes; Josephine Guardino 1991-7-21 408 Modoc Modoc Plateau; Big Valley; Ash Creek Wildlife Area; ca. 5.7 air-miles northeast of Bieber, ca. 7.6 air-miles west of Adin, ca. 1.5 air-mile southeast of Pilot Butte summit; meadow at northern edge of Ash Creek Floodplain (Big Swamp) at southeast base of Pilot Butte. 1258 Comment
  CAS-BOT-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-BC497318  Lathyrus lanszwertii Fred P. Cronemiller, Jr. 1920-6-10 3 Modoc McKenzie Spring 1310 Comment
  JEPS55280  Lathyrus lanszwertii Milo S. Baker 1896-5-31 Modoc Fall River Mountains, se Modoc Co. Fall River Mountains Comment
  NY716868  Lathyrus rigidus B. M. Bartholomew 1993-5-10 6441 Modoc Just northeast of Davis Creek Cemetery, 1.3 km east of Davis Creek 1500 Comment
  CAS-BOT-BC497200  Lathyrus rigidus G. Schoolcraft 1998-5-19 2710 Modoc Hwy 395 about 9.5 mi N of Davis Creek 1524 Comment
  POM260869  Layia glandulosa subsp. glandulosa Alice Eastwood, J. T. Howell 1940-6-14 8247 Modoc Between Mammoth Cave and Lava Beds National Monument. Comment
  RSA233786  Lemna minor Robert F. Thorne 1969-9-5 39148 Modoc North of South Fork of Pit River above jct. with West Creek at Public Campground, ca. 6 mi. E of Likely. 1402 Comment
  POM228875  Lemna trisulca L. C. Wheeler 1935-10-2 4015 Modoc Alturas, 2 miles south 1357 Comment
  CAS-BOT-BC245027  Lemna trisulca Verne Grant; I. Schneider 1947-7-19 8065 Modoc Corporation ranch, south of south loop road, S of Alturas. Comment
  CAS-BOT-BC58665  Lepidium chalepense Bruce Bartholomew 1991-6-20 5772 Modoc Just N of Lassen County line on county road 90. 1220 Comment
  HSC26007  Lepidium lasiocarpum D. H. Norris, T. Nelson, S. Dowty 1971-6-23 19399 Modoc Along Hager Basin Rd. near Big Sage Reservoir. Comment
  CAS-BOT-BC58302  Lepidium perfoliatum Bruce Bartholomew; Barrett Anderson 1988-6-25 4382 Modoc SW side of Jess Valley, Warner Mts.. 1540 Comment
  CDA18851  Lepidium perfoliatum R. Breckenridge 1999-6-15 PDR 1198610 Modoc Jones Lane, approx. 1/2 mi. N of Co. Rd. 115 crossing of Hwy 395 & 1/2 mile W of 395. 0 Comment
  RSA504619  Lepidium perfoliatum Bruce Bartholomew, B. Anderson 1988-6-25 4382 Modoc SW side of Jess Valley, Warner Mountains. 1540 Comment
  UCD115844  Lepidium perfoliatum Robbins; Raynor 1943-6-1 s.n. Modoc Near Likely. Comment
  SJSU9700  Leptosiphon harknessii W. Savage 1979-7-10 1533 Modoc Oregon Rim Unit, Devils Garden District, Modoc National Forest 1645 Comment
  CAS-BOT-BC242080  Leucocrinum montanum Edward Kent Balls 1950-5-14 14687 Modoc Trail from Alturas to Thomas Reservoir, 3 mi. N of turn off from Hwy 395. 1524 Comment
  UC1037302  Leucocrinum montanum Leo Whitney 1934-4-15 1615 Modoc near Hackamore; Modoc National Forest 1463 Comment
  HSC15562  Leucocrinum montanum M. T. Milligan 1966-5-14 607 Modoc Plateau W of Jess Valley 1829 Comment
  HSC15583  Leucocrinum montanum M. T. Milligan 1964-4-25 Modoc S of Lower Cummings Reservoir Comment
  POM71388  Leucophysalis nana R. M. Austin 1895-07 40 Modoc Goose Lake Valley. Comment
  RSA26470  Leucophysalis nana Alice Eastwood, John T. Howell 1940-6-13 8191 Modoc West side of Cedar Pass. Comment
  CAS-BOT-BC197456  Lewisia nevadensis Bruce Bartholomew 1994-7-2 6804 Modoc 5.5 km SE of Forest Service road 30 on road towards Bald Mountain, E side of the Warner Mts. 2230 Comment
  CAS-BOT-BC197460  Lewisia nevadensis Annie Montague Alexander; L. Kellogg 1946-6-15 4780 Modoc Deep Creek. 2194 Comment
  CAS-BOT-BC197499  Lewisia pygmaea Annie Montague Alexander; L. Kellogg 1946-6-8 4698 Modoc Road from Eagleville to Patterson Mill. 2286 Comment
  SEINET3071973 Image available Lewisia rediviva C. L. Hitchcock 1940-5-27 6671 Modoc 15 miles northeast of Alturas 1620 Comment
  CAS-BOT-BC247635  Leymus cinereus Bruce Bartholomew 1991-6-22 5839 Modoc Surprise Valley, 5.6 km E of Eagleville. 1370 Comment
  CAS-BOT-BC247639  Leymus cinereus Isabelo T. Kelly 1930-1-1 34 Modoc Fort Bidwell. Comment
  RSA602593  Leymus condensatus L. C. Wheeler 1935-9-10 3964 Modoc McGinty Reservoir, Devil's Garden 1463 Comment
  UC1024976  Leymus triticoides Leo Whitney 1935-7-6 3422 Modoc Crank Springs Comment
  UC1037152  Leymus triticoides Leo Whitney 3412 Modoc near Lookout; Pit River Comment
  UCD32734  Leymus triticoides Beecher Crampton 1954-7-8 2179 Modoc Modoc County, Warner Mountains, 15 miles east of Likely, along road to Jess Valley. 1676 Comment
  UCD65581  Leymus triticoides August L. Hormay 1932-7-5 s.n. Modoc Modoc National Forest, Crowder Ranger Station. Comment
  CAS-BOT-BC21459  Ligusticum grayi Bruce Bartholomew; Barrett Anderson 1990-7-20 5501 A Modoc Tamarack Flat, E side of Warner Mts. 2150 Comment
  CAS-BOT-BC242071  Lilium pardalinum subsp. shastense Bruce Bartholomew; Barrett Anderson 1988-7-21 4438 Modoc Above Upper Rush Creek Campground ca. 4 km E of State Highway 299 between Adin and Canby. 1580 Comment
  UC1101422  Limosella acaulis Herbert L. Mason 1947-8-12 13504 Modoc Junction of North and South Forks of Pit River Alturas (Alturas); Junction of North and South Forks of Pit River Comment
  CAS-BOT-BC238354  Limosella aquatica Alice Eastwood; John Thomas Howell 1940-6-12 8099 Modoc Midway between Likely and Alturas Comment
  CHSC99152  Limosella aquatica Lowell Ahart; John Dittes 2008-6-21 14996 Modoc In the drying pond, north of the large culvert, east of the large levee, in Big Valley, about 2.8miles (air) north of the Headquarters at Ash Creek State Wildlife Area, about 5.4 miles (air) northeast of Bieber. 1255 Comment
  CDA41410  Limosella aquatica G. D. Barbe 1985-8-29 4250 Modoc West of Westside Road, South Fork of Pit River south of Alturas. 0 Comment
  UC449824  Linanthus ciliatus Franklin P. Nutting Modoc near Egg Lake; Lava Comment
  CAS-BOT-BC198035  Linanthus harknessii Louis Cutter Wheeler 1935-8-16 3868 Modoc Dismal Swamp. 2225 Comment
  CAS-BOT-BC198039  Linanthus harknessii Peter Hamilton Raven; Otto Thomas Solbrig 1958-6-18 13334 Modoc 9.7 mi N of Adin on Hwy 299. Comment
  CAS-BOT-BC198044  Linanthus harknessii Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10540 Modoc Patterson Ranger Station (East Creek drainage). 2164 Comment
  UC629080  Linanthus harknessii Louis C. Wheeler 1935-8-16 3868 Modoc Dismal Swamp, Warner Mts., Twenty-Mile Creek 2225 Comment
  UC52424  Linanthus septentrionalis Milo S. Baker 1893-1 Modoc Forestdale Comment
  CAS-BOT-BC229898  Linaria dalmatica subsp. dalmatica Thomas C. Fuller 1963-8-27 11168 Modoc Sugar Hill Planting, Lassen Creek, ca. 6 mi. SE of Willow Ranch. Comment
  CAS-BOT-BC179154  Linum lewisii Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16401 Modoc Above Thoms Creek, 6.1 mi. E of Hwy 299, Cedar Pass Rd. Comment
  CAS-BOT-BC179162  Linum lewisii M. M. Hanna 1956-6-4 955 Modoc Cedar Pass. Comment
  CAS-BOT-BC179163  Linum lewisii Frances D. Payne 1929-6-18 9 Modoc Parker Creek. Comment
  UC17256  Linum lewisii Mrs. Brandegee Modoc Lassen Creek Comment
  UC571114  Linum lewisii F. H. Frost 1925-7-27 174 Modoc Warner Mountains, Clear Lake Clear Lake; Warner Mountains, Clear Lake Comment
  CHSC85144  Linum lewisii var. lewisii John Dittes; Josephine Guardino 1991-6-1 359 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-BC225810  Lithophragma glabrum F. Angwin 1946-4-6 s.n. Modoc Adin. 1371 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
  CAS-BOT-BC225828  Lithophragma parviflorum Ernest Brown Babcock; George Ledyard Stebbins 1936-6-9 1837 Modoc Summit of Cedar Pass, Warner Mts. 1920 Comment
  JEPS5958  Lithophragma parviflorum Frances D. Payne 1929-7-7 55 A Modoc 2 mi sw Mt. Warren (Pine Creek Basin, se Modoc County); Warner Mts., sw of Mt. Warren, Pine Creek Basin 2133 Comment
  UC14490  Lithophragma parviflorum Milo S. Baker 1893-7-18 Modoc Comment
  JEPS5956  Lithophragma tenellum Frances D. Payne 1932-7-1 660 Modoc 2 mi sw Mt. Warren (Pine Creek Basin, se Modoc County); Warner Mts., Pine Creek Basin, sw of Mt. Warren 2133 Comment
  CAS-BOT-BC225846  Lithophragma tenellum E. H. Steffen 1917-5-27 16 Modoc West Valley Camp. 1554 Comment
  CAS-BOT-BC21441  Lomatium bicolor var. leptocarpum Bruce Bartholomew; Barrett Anderson 1989-4-28 4647 Modoc 8.8 km N of State Highway 299 on road to Raker & Thomas Reservoir. 1470 Comment
  RSA271897  Lomatium bicolor var. leptocarpum Christopher Davidson 1975-6-4 2598 Modoc 0.4 miles E of Hwy 395 on Hwy 299 toward Cedarville. 1380 Comment
  SEINET3081247 Image available Lomatium bicolor var. leptocarpum Arnold Tiehm 1984-6-30 8838 Modoc NW side of Bidwell Mt., 2.2 road miles north of 8 mile creek on the road from Lake Annie 1844 Comment
  RSA164430  Lomatium bicolor var. leptocarpum Clare B. Hardham 1961-6-16 7891 Modoc Road from Mt. Bidwell to Dismal Cr. 2439 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-BC30166  Lomatium dissectum var. multifidum John Thomas Howell 1934-6-13 12072 Modoc Fandango Pass. 1828 Comment
  CAS-BOT-BC30170  Lomatium dissectum var. multifidum Annie Montague Alexander; L. Kellogg 1946-6-10 4725 Modoc Slope facing Lower Lake, lava bench between Lower and Snake lakes. Comment
  UC748409  Lomatium dissectum var. multifidum Annie M. Alexander and Louise Kellogg 1946-7-11 4961 Modoc slope w. of Eight Mile Creek; n.e. corner Modoc Co. Comment
  CAS-BOT-BC30132  Lomatium grayi var. grayi C. C. (Mrs.) Bruce 1899-1-1 2490 Modoc Lake City Mt. Comment
  CAS-BOT-BC30147  Lomatium macrocarpum John Thomas Howell 1934-6-11 11924 Modoc Parker Creek. 1584 Comment
  POM78500  Lomatium macrocarpum Mrs. R. M. Austin 1895-05 28 Modoc Goose Lake Valley Comment
  UCR51778  Lomatium macrocarpum Christopher Davidson 1975-6-4 2606 Modoc Hwy 299 (toward Cedarville), 2.2 mi. east of hwy 395 1500 Comment
  RSA164355  Lomatium nevadense Clare B. Hardham 1961-6-18 7590 Modoc Cedar Pass. 1829 Comment
  UC106256  Lomatium nevadense var. parishii Mrs. R. M. Austin May 1894 415 Modoc Goose Lake Valley Comment
  CAS-BOT-BC15767  Lomatium nudicaule Alice Eastwood; John Thomas Howell 1940-6-12 8105 Modoc W side of Cedar Pass. 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
  SEINET8756554  Lomatium nudicaule M. J. Williams 1984-6-30 84- 80 -6 Modoc Seepage area near a reservoir 6.8 miles W of Cedarville-Gerlach road 1981 Comment
  CAS-BOT-BC15774  Lomatium piperi Bruce Bartholomew; Barrett Anderson 1988-5-13 4164 Modoc Granger Summit, ca. 10 km NW of Pepperdine at the top of the Warner Mts.. 1770 Comment
  RSA504623  Lomatium triternatum Bruce Bartholomew, B. Anderson 1988-6-25 4376 Modoc SW side of Jess Valley, Warner Mountains. 1540 Comment
  CAS-BOT-BC21425  Lomatium triternatum var. triternatum Alice Eastwood; John Thomas Howell 1940-6-15 8292 Modoc 9 mi. N of Lookout. Comment
  CAS-BOT-BC21401  Lomatium vaginatum Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-13 16473 Modoc Roadside 2.4 mi. S of Davis Creek. Comment
  UC1228814  Lomatium vaginatum Lincoln Constance and Emil DiFulvio 1962-4-16 3750 Modoc 3.2 mi. n. Likely 1310 Comment
  CAS-BOT-BC21395  Lomatium vaginatum E. H. Steffen 1930-5-27 18 Modoc West Valley Camp. 1524 Comment
  RSA152173  Lomatium vaginatum Lincoln Constance, Elwood Molseed, John Weiler 1960-6-13 3679 Modoc East side of Goose Lake, 9 miles north of Davis Creek 1372 Comment
  UC1187699  Lomatium vaginatum Tracey and Viola Call 1961-5-30 2055 Modoc 16 mi N of Alturas Comment
  SEINET3523632 Image available Lotus americanus Annie M. Alexander, Louise Kellogg 1946-7-7 4934 Modoc Eight Mile Creek, NE corner of county 1753 Comment
  JEPS118255  Lotus denticulatus Lowell Ahart, John Dittes 2011-6-22 17545 Modoc On the west side of the road, about 30 yards north of the Pilot Butte Parking Lot, north edge of Ash Creek Floodplain, 1.1 miles (air) south of County Road 87, 7.7 miles (air) west of Aden [Adin], 10 miles (air) east of Lookout, Big Valley 1264 Comment
  SEINET5512249  Lotus humistratus J. C. Beatley 1964-1 Modoc Tule Lake area. Drainage area: Tule Lake area 1829 Comment
  UC15726  Lotus oblongifolius var. oblongifolius Milo S. Baker 1893-6 Modoc Comment
  CAS-BOT-BC181946  Lotus purshianus var. purshianus M. Vasey 1990-6-30 9042 Modoc Pond along dirt road near Curtis Waterhole, NW of Egg Lake. 1300 Comment
  CAS-BOT-BC181904  Lupinus arbustus Elmer Ivan Applegate 1929-6-24 5885 Modoc Between Lookout and Adin, upper Pitt River region. Comment
  CAS-BOT-BC181921  Lupinus arbustus Elmer Ivan Applegate 1929-6-24 5890 Modoc Between Adin and Canby, upper Pit River region. Comment
  SBBG3536  Lupinus arbustus H. and M. Dearing 1939-6-9 3637 Modoc Warner Mtns [near Squaw Peak?] 1828 Comment
  UC1481374  Lupinus arbustus Jeffrey Huber 1971-6-3 87 Modoc on Calif. Hwy 299, 5 mi s Canby; s of Canby 1280 Comment
  RSA414447  Lupinus arbustus subsp. silvicola Christopher Davidson 1973-5-26 2133 Modoc Ca. 4 miles west of Canby on highway 299. 1341 Comment
  CAS-BOT-BC182198  Lupinus argenteus John Thomas Howell 1934-7-2 12367 Modoc W side of Clear Lake. Comment
  CAS-BOT-BC182225  Lupinus argenteus C. B. Wolf 1931-9-4 2398 Modoc Canby. Comment
  UC552347  Lupinus argenteus Mrs. H. P. Bracelin 1931-6-30 500 Modoc s end Alturas 1524 Comment
  UCD106685  Lupinus argenteus Craig Ely 1975-7-10 s.n. Modoc 30 miles s.e. of Tulelake. Comment
  NY733048  Lupinus argenteus var. argenteus J. T. Howell 1934-7-2 12367 Modoc West side of Clear Lake Comment
  CAS-BOT-BC182099  Lupinus argenteus var. heteranthus R. M. Austin 1884-7-1 121 Modoc Hills Comment
  CAS-BOT-BC182123  Lupinus argenteus var. heteranthus Mrs. H. C. Cantelow 1940-6-1 Modoc 7.4 mi. E of Hwy 395 on road to Fandango Pass, Warner Mts. Comment
  CHSC107346  Lupinus argenteus var. heteranthus Lowell Ahart; John Dittes 2011-6-22 17555 Modoc About 50 yards east of the road, about 100 yards northeast of the Pilot Butte Parking Lot, north edge of Ash Creek Floodplain, 1.1 miles (air) south of County road 87, 7.7 miles (air) west of Adin, 10 miles (air) east of Lookout, Big Valley. 1264 Comment
  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
  JEPS119658  Lupinus argenteus var. heteranthus Lowell Ahart, John Dittes 2012-7-10 18330 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
  UC711810  Lupinus argenteus var. heteranthus Roxana S. Ferris and Laura Lorraine 1941-8-14 10598 Modoc on Eagleville Road five and one-half mi from Patterson Ranger Station; Warner Mountains, Modoc National Forest Comment
  CAS-BOT-BC182109  Lupinus argenteus var. heteranthus R. M. Austin 1884-6-1 89 Modoc Sage brush Plains. Comment
  UC126983  Lupinus argenteus var. heteranthus Milo S. Baker 1893-6-17 Modoc Comment
  CAS-BOT-BC181891  Lupinus brevicaulis Bruce Bartholomew 1991-6-22 5843 Modoc E side of Surprise Valley, 9.6 km E of Eagleville at the Nevada border. 1520 Comment
  NY746668  Lupinus brevicaulis B. M. Bartholomew 1995-6-2 6933 Modoc 6.4 km east of Eagleville, south end of Surprize Valley 1380 Comment
  SEINET10485028  Lupinus burkei David B. Dunn, Billy Joe Cox; Lewis S. Fleak 1970-6-8 Dunn 16946 Modoc 1 mi. N of davis creek on us hwy 395. On road cut in grassland. Comment
  HSC14807  Lupinus caudatus M. T. Milligan 1964-7-1 111 Modoc Ballard's Resvr. Rd. 3 mi. E of Modoc Co. Rd. 54. 1372 Comment
  RSA407110  Lupinus caudatus Christopher Davidson 1973-5-24 2098 Modoc South of Alturas on County Road 63 off Highway 395, near Likely. 1311 Comment
  RSA31849  Lupinus latifolius subsp. viridifolius A. A. Heller 1941-6-25 16206 Modoc West side of the grade leading up to Cedar Pass. Comment
  UC710973  Lupinus latifolius var. viridifolius C. L. Hitchcock 1940-5-27 6664 Modoc 15 mi ne Alturas (along creek); ne of Alturas 1615 Comment
  CHSC112821  Lupinus lepidus var. confertus Lowell Ahart; John Dittes 2013-7-25 18966 Modoc About 10 yards west of the north-south fence, south edge of Ash Creek Floodplain, northwest of Patterson Homestead, east of Elkins Lane, 1.0 mile (air) south of County Road 87, 3.14 miles (air) west of Adin, Big Valley. 1267 Comment
  CAS-BOT-BC181874  Lupinus lepidus var. lobbii Annie Montague Alexander; L. Kellogg 1946-8-9 5133 Modoc Patterson Lake Trail, Warner Mts. Comment
  CAS-BOT-BC181866  Lupinus lepidus var. sellulus John Thomas Howell 1934-7-1 12302 Modoc Duncan Horse Camp. 1355 Comment
  SEINET10491189  Lupinus leucophyllus var. leucophyllus Delzie Demaree 1959-8-15 Demaree 41468 Modoc Moist bottoms; modoc nat'l forest. Comment
  NY747431  Lupinus microcarpus B. M. Bartholomew 1989-6-2 4784 Modoc Long Canyon, 12 km northeast of Fort Bidwell on the road to the Oregon border 1550 Comment
  SEINET8056945  Lupinus microcarpus M. J. Williams, T. Holcomb, B. Holcomb, L. Saxton 1988-5-28 88- 24 -1 Modoc Grade up to Crowder Flat from Hwy 229, W of Alturas 1478 Comment
  CAS-BOT-BC181850  Lupinus microcarpus var. microcarpus R. M. Austin Modoc 2 mi. W of Adin Summit, W of Alturas near US Highway 299. Comment
  CAS-BOT-BC497470  Lupinus polyphyllus Margaret J. Williams 1988-5-30 88- 22 -1 Modoc Crowder Flat road, NW of Alturas 1524 Comment
  CAS-BOT-BC181827  Lupinus polyphyllus var. burkei L. A. M. Black 1894-8-1 69 Modoc Davis Creek. Comment
  NY747511  Lupinus polyphyllus var. burkei R. M. Austin 07 2142 Modoc Fields Comment
  SEINET8061400  Lupinus polyphyllus var. saxosus M. J. Williams 1988-5-30 88- 22 -1 Modoc Crowder Flat road, NW of Alturas 1524 Comment
  RSA60328  Lupinus ruber E. K. Balls 1950-5-10 15965 Modoc 0.5 miles past fork of 395 and road to Cedarville, from Alturas. 1585 Comment
  CAS-BOT-BC181822  Lupinus saxosus Bruce Bartholomew; Barrett Anderson 1988-5-13 4149 Modoc Along Parker Creek Road, at the border of Modoc National Forest and ca. 16 km WSW of Alturas, side of the Warn 1580 Comment
  CAS-BOT-BC181823  Lupinus saxosus C. L. Hitchcock 1940-5-27 6658 Modoc 9 mi. NE of Alturas. 1402 Comment
  SEINET3145143  Lupinus saxosus E. K. Balls 1950-5-10 15965 Modoc 0.5 mi past fork of Hwy 395 and road from Alturas and Cedarville 1585 Comment
  UCR34809  Luzula subcongesta J. A. Harpel 1981-8-6 V 20 Modoc Warner Mtns, South Warner Wilderness Area: E end of Patterson Lake, 7 mi NW of Eagleville 2744 Comment
  CAS-BOT-BC245409  Lycium barbarum H. B. Leech 1966-8-27 Modoc Leonard Hot Springs, ca. 10 mi. NE of Cedarville. Comment
  POM215937  Lycium barbarum Louis C. Wheeler 1935-10-10 4033 Modoc Alturas. 1357 Comment
  CHSC117265  Lythrum tribracteatum Lowell Ahart; John Dittes 2016-7-14 21176 Modoc Southeast side of a new pond, south of Ash Creek Canal (now filled in), south of 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
  JEPS117243  Lythrum tribracteatum 2010-8-30 17055 Modoc North side of a small wash, about 10-15 yards west of the fence, south edge of the meadow, Ash Creek State Wildlife Area, 2300 feet north of Lassen County Line, about 3.6 air miles west of Adin, about 8 air miles northeast of Bieber, Big Valley 1268 Comment
  JEPS121223  Lythrum tribracteatum Lowell Ahart, John Dittes 2013-7-24 18914 Modoc N side of Ash Creek Floodplain, 0.54 air miles SE of Pilot Butte parking area, 1.1 air miles S of County Road 87, 6.8 air miles W of Adin, Big Valley. Comment
  UC1191585  Lythrum tribracteatum Herbert L. Mason, Verne Grant 1947-7-10 13324 Modoc 2 mi e of Alturas (Dorris Reservoir); Dorris Reservoir Comment
  JEPS5970  Madia citriodora Frances D. Payne 1932-6-10 531 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  UC33230  Madia exigua Mrs. R. M. Austin August, 1894 Modoc Sugar Loaf Hill Comment
  CAS-BOT-BC49445  Madia glomerata Louis Cutter Wheeler 1935-8-27 3923 Modoc 1 mi. E of South Mountain, Devil's Garden. 1524 Comment
  JEPS117315  Madia glomerata Lowell Ahart, John Dittes 2010-8-30 17076 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
  HSC5977  Madia gracilis M. T. Milligan 1965-6-30 401 Modoc Slopes and ridges E of Jess Valley 1768 Comment
  JEPS5969  Madia gracilis Frances D. Payne 1935-8-25 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  UC711828  Madia gracilis Roxana S. Ferris and Laura Lorraine 1941-8-13 10525 Modoc e Creek drainage Patterson Ranger Station; Modoc National Forest, Warner Mountains 2164 Comment
  UCR66732  Madia gracilis J. T. Howell 1934-6-12 12025 Modoc Warner mtns. Plum Valley 1660 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
  POM97673  Mahonia repens Mrs. R. M. Austin 1895-05 s.n. Modoc Davis Creek 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-BC242040  Maianthemum racemosum M. M. Hanna 1956-6-5 976 Modoc Cedar Pass. Comment
  CAS-BOT-BC242175  Maianthemum racemosum Bruce Bartholomew; Barrett Anderson 1988-7-22 4534 Modoc Mill Creek, Lake City Canyon, 5.5 km W of Lake City, E side of the Warner Mts.. 1860 Comment
  POM312927  Maianthemum stellatum Verne Grant, Irving Schneider 1947-7-22 8141 Modoc North Fork of Pit River on Highway 395. About 1 mile north of junction with Cedarville Road. Comment
  HSC81153  Maianthemum stellatum G. M. Riegel 1979-7-1 4541 Modoc 1670 Comment
  CAS-BOT-BC49385  Malacothrix glabrata Bruce Bartholomew 1992-5-15 6291 Modoc Along Sand Creek in hills on the E side of Surprize Valley, E the N end of Middle Alkali Lake. 1410 Comment
  CHSC71841  Marsilea oligospora Vernon H. Oswald; Lowell Ahart 1998-9-8 9591 Modoc County Rd. 95 at Taylor Creek northwest of Lookout and ca. 0.5 air mi northeast of Lookout Junction. 1280 Comment
  UCSC002912  Marsilea vestita William Doyle 1975-7-26 s.n. Modoc drying River bed Boles Creek Comment
  SFV18018  Marsilea vestita subsp. vestita J. A. Matos, D. C. Rudolph 1999-8-7 s. n. Modoc Pothole Creek near Pothole Spring. Near crossing of Clear Lake Road. 1470 Comment
  CAS-BOT-BC181805  Medicago lupulina Bruce Bartholomew 1989-7-14 4937 Modoc Along Rush Creek between Lower and Upper Rush Creek Campgrounds. 1580 Comment
  HSC80847  Melica stricta G. M. Riegel 1980-8-28 1122 Modoc S Warner Mtns. 1739 Comment
  SEINET191484 Image available Melica stricta var. stricta M. Ownbey, FG Meyer 1940-7-1 2152 Modoc Cedar Peak Warner Mts. Comment
  UC1137125  Melica subulata August L. Hormay 1932-7-17 Modoc Lily Lake Comment
  CAS-BOT-BC179866  Mentha arvensis Verne Grant; I. Schneider 1947-7-18 8050 Modoc Eastside canal, 5 mi. N of Bayley's bridge, S of Alturas. Comment
  SFV18020  Mentha arvensis J. A. Matos, D. C. Rudolph 1999-8-7 s. n. Modoc Pothole Creek near Pothole Spring. Near crossing of Clear Lake Road. 1470 Comment
  UC1191898  Mentha canadensis Herbert L. Mason 1947-8-9 13484 Modoc n Alturas (e side of Fairchild Swamp); e side of Fairchild Swamp Comment
  HSC80892  Mentzelia albicaulis G. M. Riegel 1980-7-28 948 Modoc S Warner Mtns. 1739 Comment
  UCSB48512  Mentzelia albicaulis Hardham, Clare 1961-5-20 Modoc Pine Creek 1524 Comment
  CAS-BOT-BC179132  Mentzelia dispersa R. M. Austin; C. C. (Mrs.) Bruce 1898-6-1 2368 Modoc Goose Lake. Comment
  CAS-BOT-BC179133  Mentzelia dispersa R. M. Austin; C. C. (Mrs.) Bruce 1898-6-1 2367 Modoc Goose Lake. Comment
  CAS-BOT-BC179137  Mentzelia dispersa Elmer Ivan Applegate 1897-5-31 886 Modoc E side of Tule Lake. Comment
  CAS-BOT-BC179141  Mentzelia dispersa John Thomas Howell 1934-6-12 12042 Modoc N side of Fandango Valley. Comment
  CAS-BOT-BC179148  Mentzelia dispersa Bruce Bartholomew; Barrett Anderson 1989-6-3 4888 Modoc Boles Creek, ca. 5.5 km E of the SE corner of Clear Lake Reservoir. 1430 Comment
  CDA13458  Mentzelia dispersa G. F. Hrusa, T. D. Wilfred 1996-7-21 13305 Modoc Modoc Plateau; Modoc Co. Rd. 90 bridge over Pit River. E base of Splawn Mtn. N end of Big Valley. Comment
  RSA0121879  Mentzelia dispersa C. L. Hitchcock 1940-5-27 6690 Modoc 15 miles northeast of Alturas. 1616 Comment
  CAS-BOT-BC179119  Mentzelia montana Bruce Bartholomew; Barrett Anderson 1989-6-2 4822 Modoc Sand dunes at the SE corder of Upper Alkali Lake, E side of Surprise Valley. 1400 Comment
  CAS-BOT-BC179115  Mentzelia veatchiana Bruce Bartholomew 1991-6-22 5857 Modoc NE side of Surprise Valley on road to Fee Reservoir, 6.4 km E of Fort Bidwell. 1490 Comment
  CAS-BOT-BC191145  Menyanthes trifoliata Francis Dorris Payne 1929-7-26 121 Modoc Pine Creek Basin. 2133 Comment
  UC1004346  Mertensia ciliata Leo Whitney 1934-5-13 Modoc Weed Valley northern Modoc County 1524 Comment
  HSC80938  Mertensia ciliata var. stomatechoides G. M. Riegel 1980-7-30 973 Modoc S Warner Mtns. 2100 Comment
  NY1084204  Mertensia cusickii A. J. Cronquist 1959-6-19 8502 Modoc Overlooking Mill Creek a little above Clear lake; Warner Mountains 15 miles east of Likely 1981 Comment
  HSC80936  Mertensia oblongifolia G. M. Riegel 1980-8-9 1016 Modoc S Warner Mtns. 2100 Comment
  NY1084276  Mertensia oblongifolia B. M. Bartholomew 1992-5-15 6300 Modoc Tamarack Flat, east side of the Warner Mountains 2160 Comment
  NY1084277  Mertensia oblongifolia B. M. Bartholomew 1989-6-2 4794 Modoc Surprise Valley Road, just south of the Oregon border, extreme NE corner of Modoc County 1630 Comment
  UC1560375  Mertensia oblongifolia E. Joyal and D. Mehlman 1988-6-28 1293 Modoc Near Warner Mts., ridge road Comment
  CAS-BOT-BC54007  Mertensia oblongifolia var. amoena Francis Dorris Payne 1931-6-21 224 Modoc Ridge W of Dry Creek. 1981 Comment
  HSC3706  Mertensia oblongifolia var. amoena M. T. Milligan 1965-7-10 423 Modoc W slope of Eagle Peak 2439 Comment
  CAS-BOT-BC225966  Micranthes oregana Barrett Anderson 1986-7-10 3199 Modoc West Warner Rd at North Fork of Pine Creek, Warner Mts. 1935 Comment
  CAS-BOT-BC49391  Microseris laciniata subsp. laciniata Alice Eastwood; John Thomas Howell 1940-6-13 8127 Modoc Near Davis Creek. Comment
  POM260864  Microseris laciniata subsp. laciniata Alice Eastwood, John Thomas Howell 1940-6-13 8127 Modoc Near Davis Creek. Comment
  CAS-BOT-BC49355  Microseris nutans Bruce Bartholomew 1990-6-17 5299 Modoc Vicinity of Emerson Camp near roadhead, E side of Warner Mts. 1750 Comment
  UC748133  Microseris nutans Annie M. Alexander and Louise Kellogg 1946-7-17 5003 Modoc Benton Meadow Warner Mountains 2072 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
  CAS-BOT-BC197900  Microsteris gracilis Bruce Bartholomew 1992-5-16 6339 Modoc Burned area along County Road 91, ca. 2.5 km S of turn off to Happy Camp Ranger Station. 1390 Comment
  CAS-BOT-BC197914  Microsteris gracilis Fred D. Douthitt 1916-5-17 29 Modoc Flournoy Swale. 1828 Comment
  CHSC85182  Microsteris gracilis John Dittes; Josephine Guardino 1991-6-1 356 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
  HSC17120  Microsteris gracilis M. T. Milligan 1965-6-23 293 Modoc N end Jess Valley 1616 Comment
  HSC17126  Microsteris gracilis M. T. Milligan 1964-3-29 Modoc 5 mi. W of Alturas on Centerville Rd. 1372 Comment
  RSA550583  Mimulus breweri Bruce Bartholomew 1991-7-7 6004 Modoc SE end of Sweargart Flat 555 Comment
  RSA535421  Mimulus cusickii David M. Thompson 1988-7-23 975 Modoc E side Warner Mountains, 3.7 miles S of Hwy 299 (at Cedarville) along Surprise Valley Road, then 1.5miles W along Granger Canyon Road. 1500 Comment
  RSA59438  Mimulus guttatus E. K. Balls 1950-5-18 14752 Modoc N of Upper Rush Creek Public Camp; 2.5 mi. east from Hwy. 299 1738 Comment
  UC711826  Mimulus guttatus Roxana S. Ferris and Laura Lorraine 1941-8-13 10539 Modoc Patterson Ranger Station, East Creek drainage Warner Mountains, Modoc National Forest 2164 Comment
  HSC20768  Mimulus lewisii M. T. Milligan 1967-7-9 669 Modoc E of Jess Valley 1768 Comment
  UC1523788  Mimulus nanus var. jepsonii Gregg Riegel 1981-7-13 1151 Modoc near Day 1524 Comment
  HSC20816  Mimulus nanus var. nanus M. T. Milligan 1967-7-8 666 Modoc W slope of Eagle Peak 2378 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
  RSA535784  Mimulus pygmaeus David M. Thompson 1988-6-3 927 Modoc Egg Lake, S end between Kramer Reservoir and White Horse Lookout road along intermittent stream, 2.3 miles W of railroad crossing. 1330 Comment
  CHSC109493  Minuartia nuttallii var. gracilis L. P. Janeway; B. Castro 2012-7-26 11008 Modoc Warner Mountains. Top of Yellow Mountain; topmost part and western edge (at the edge of a steep dropoff to the northwest). 2463 Comment
  CAS-BOT-BC225804  Mitella pentandra Bruce Bartholomew 1989-8-12 5114 Modoc South Fork of Pine Creek just N of trailhead to Pine Creek Basin, W side of Warner Mts. 2010 Comment
  RSA149075  Mitella pentandra I. L. Wiggins, Dorothy B. Wiggins 1961-6-14 16489 Modoc 6.4 mi. S of Lassen Creek Campground along road to Buck Mtn, Warner Mtns. Comment
  HSC63629  Monardella glauca J. P. Smith, J. O. Sawyer 1973-8-8 7238 Modoc S slopes of Eagle Peak 2561 Comment
  CAS-BOT-BC179370  Monardella odoratissima subsp. glauca Annie Montague Alexander; L. Kellogg 1946-7-23 5060 Modoc E slope of Emerson Peak. Comment
  CAS-BOT-BC222026  Monardella odoratissima subsp. glauca Marion Ownbey; Fred G. Meyer 1940-7-1 2150 Modoc Cedar Peak, Warner Mts. Comment
  UC1553401  Monardella odoratissima subsp. glauca G. Schoolcraft 1988-7-12 1826 Modoc at mouth N. Deep Creek; Warner Mtns. 1524 Comment
  RSA293358  Monardella odoratissima subsp. glauca Reino Alava 1957-7-5 1151 Modoc Cedar Pass, Modoc National Forest, Warner Mountains Comment
  CAS-BOT-BC179363  Monardella odoratissima subsp. pallida Bruce Bartholomew 1991-7-6 5972 Modoc 0.8 km NE of Curtis Waterhole. 1310 Comment
  CAS-BOT-BC179362  Monardella odoratissima subsp. pallida Leland S. Smith 1924-6-8 1387 Modoc Lavas W of Lava Ranger Station and Egg Lake. 1310 Comment
  CHSC67101  Monolepis nuttalliana James D. Jokerst 1987-6-24 2939 Modoc NE of Doublehead Mtn., ca. 2.0 mi WSW of Red Lake. Comment
  UC7432  Monolepis nuttalliana Mrs. R. M. Austin June, 1894 Modoc Willow Creek Valley Comment
  CAS-BOT-BC197519  Montia chamissoi Roxana Stinchfield Ferris; R. Duthie 1919-6-13 25 Modoc Parker Creek near Nat. Forest Boundary. Comment
  HSC68841  Montia chamissoi Gary Schoolcraft 1980-7-22 328 Modoc Lake City Canyon W of Lake City 2195 Comment
  UC1101397  Montia chamissoi Malcolm A. Nobs, S. Galen Smith 1949-5-29 771 Modoc one mi e of Lake City Comment
  HSC80773  Montia chamissoi G. M. Riegel 1980-7-30 976 Modoc S Warner Mtns. 2100 Comment
  SJSU9616  Montia chamissoi Wayne Savage 1979-7-6 1406 Modoc Triangle, Antelopes Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  RSA520346  Montia fontana Bruce Bartholomew, B. Anderson 1989-6-2 4845 Modoc Vicinity of Stough Reservoir, Warner Mtns. 1950 Comment
  UC71836  Montia fontana Mrs. M. H. Manning May, 1903 116 Modoc Spring near Fort Bidwell (in north-eastern Modoc County) Comment
  RSA152693  Montia fontana I. L. Wiggins 1961-6-12 16396 Modoc Margin of marshy area along Thomas Creek, 6.1 miles E of California Hwy 299, on road to Cedarville Comment
  NY497755  Montia fontana var. tenerrima C. L. Hitchcock 1940-5-27 6697 Modoc 12 miles northeast of Alturas 1615.4 Comment
  CAS-BOT-BC197548  Montia linearis Bruce Bartholomew; M; M. Gilbert; L. E. Skog 1993-5-10 6431 Modoc 5 km NE of Davis Creek on road to Plum Valley Campground. 1700 Comment
  CHSC117848  Montia linearis L. P. Janeway 2016-5-16 11997 A Modoc Modoc Plateau. Devils Garden area; along Road 46N05A (Applegate Trail Southern Route) 0.3 km west of Road 46N02; 2.4 air-km east-southeast of Green Tank Reservoir and Green Spring Reservoir. 1569 Comment
  RSA210777  Muhlenbergia asperifolia R. F. Thorne, J. Henrickson, C. W. Tilforth 1969-9-3 39016 Modoc SE end of Tule Lake Sump 0.5 miles N of turnoff to Lava Beds National Monument, (2.2 miles E of NE entrance to monument) 1265 Comment
  SBBG21245  Muhlenbergia asperifolia B. Crampton 1954-7-8 Modoc W edge of Alturas Comment
  CAS-BOT-BC247565  Muhlenbergia filiformis Leland S. Smith 1917-9-5 154 Modoc Bidwell Creek and High Grade. 2164 Comment
  UC1025030  Muhlenbergia richardsonis Leo Whitney 1935-7-19 3539 Modoc ca 15 mi nw Canby; Modoc National Forest, Lake Joaquina, Hackamore 1463 Comment
  UC1560399  Myosotis scorpioides E. Joyal and D. Mehlman 1988-6-28 1288 Modoc Pine Creek e. of New Pine Creek, Oregon; n. Warner Mts., Pine Creek Comment
  JEPS20005  Myosurus apetalus M. H. Manning May, 1903 119 Modoc Ft. Bidwell Comment
  SEINET188356 Image available Myriophyllum exalbescens C. L. Hitchcock 1940-5-28 6722 Modoc 15 mi N of Alturas (near Surprise). 1402 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-BC179315  Nama densa Bruce Bartholomew 1990-6-17 5335 Modoc Surprise Valley, SE corner of Upper Alkali Lake. 1390 Comment
  CAS-BOT-BC198012  Navarretia breweri Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-15 16518 Modoc Mesa 11 mi. W of Canby along Highway 139. Comment
  CAS-BOT-BC198013  Navarretia breweri Bruce Bartholomew; Barrett Anderson 1989-6-1 4761 Modoc S end of Goose Lake. 1460 Comment
  CAS-BOT-BC198017  Navarretia breweri Beecher Crampton 1954-7-7 2144 Modoc W side of Cedar Pass, Warner Mts. 1889 Comment
  RSA164296  Navarretia breweri Clare B. Hardham 1961-6-18 7817 Modoc Cedar Pass Comment
  HSC17135  Navarretia breweri M. T. Milligan 1964-6-20 69 Modoc 4 mi. E of Hwy. 395 on Hwy. 299 1524 Comment
  RSA149143  Navarretia breweri I. L. Wiggins, Dorothy Wiggins 1961-6-15 16518 Modoc 11 miles W of Canby along Hwy 139 Comment
  UC190591  Navarretia breweri M. F. Gilman 516 Modoc 1981 Comment
  RSA150284A  Navarretia capillaris A. J. Cronquist, Arthur H. Holmgren 1959-6-20 8522 Modoc Warner Mountains: at Cedarville Pass, between Cedarville and Alturas. 1921 Comment
  SJSU11503  Navarretia divaricata H. L. Buckalew 1961-6-29 Modoc Stough Reservoir 1 mi N of Cedar Pass on Alturas-Cedarville Rd 1920 Comment
  UC908366  Navarretia divaricata Louis C. Wheeler 1935-8-2 3747 Modoc Twelve-Mile Creek Warner Mts. 2286 Comment
  CAS-BOT-BC197996  Navarretia heterandra Alice Eastwood; John Thomas Howell 1940-6-15 8294 Modoc 9 mi. N of Lookout. Comment
  CAS-BOT-BC197982  Navarretia intertexta subsp. propinqua Bruce Bartholomew 1991-7-5 5938 Modoc Dry wash draining into North Willow Creek, between Crowder Flat and the Oregon border. 1620 Comment
  CAS-BOT-BC197987  Navarretia intertexta subsp. propinqua Alice Eastwood; John Thomas Howell 1940-6-15 8293 Modoc 9 mi. N of Lookout. Comment
  JEPS77519  Navarretia leucocephala subsp. leucocephala L. R. Heckard with T. I. Chuang and R. C. Bacigalupi 1978-7-19 4889 Modoc about 3 mi sw Patterson Ranger Station (just n of Lassen County line); Warner Mts. 2011 Comment
  CAS-BOT-BC197959  Navarretia leucocephala subsp. minima K. Paulson; Robert Paulson 1989-7-2 158 Modoc Vicinity of Craig Spring, ca. 2 mi. NE of Happy Camp. 1447 Comment
  CAS-BOT-BC197968  Navarretia leucocephala subsp. minima Alice Eastwood; John Thomas Howell 1940-6-14 8230 Modoc 8 mi. NW of Canby. Comment
  UC1332134  Navarretia leucocephala subsp. minima Alice Eastwood and John Thomas Howell 1940-6-14 8230 Modoc 8 mi nw Canby Comment
  SEINET10458448  Nemacladus rigidus Plummer PLUMMER s.n. Modoc Near Donner Lake Comment
  UC606896  Nemophila breviflora L. Constance 1938-6-12 2332 Modoc 13.4 mi ne Alturas (edge of Thombs Creek at foot of Bonner Grade, Cedar Pass Road, western foothills of the Warner Range); western foothills of Warner Range, Thombs Creek 1524 Comment
  HSC81074  Nemophila parviflora G. M. Riegel 1979-7-2 471 Modoc S Warner Mtns. 1670 Comment
  CAS-BOT-BC179284  Nemophila pedunculata Milo Samuel Baker 1899-8-20 Modoc Forestdale. Comment
  JEPS4034  Nemophila pedunculata Frances D. Payne 1932-6-5 413 Modoc s and e Alturas (Warner Mountains, Parker Creek, Dry Creek, tributary of); Warner Mountains, Parker Creek, Dry Creek, tributary of 1676 Comment
  POM249004  Nemophila pedunculata Lincoln Constance 1938-6-12 2337 Modoc Margin of Rush Creek, 8 miles northeast of Adin. 1524 Comment
  RSA76019  Nemophila pedunculata F. W. Peirson 1926-6-25 6896 Modoc Small side canyon 1 mile east of summit, Cedarville Road, Warner Mountains. 1829 Comment
  JEPS31546  Neoholmgrenia andina Milo S. Baker 1894-6-29 Modoc Big Valley Comment
  CAS-BOT-BC245372  Nicotiana attenuata Alice Eastwood; John Thomas Howell 1940-6-13 8170 Modoc Cedarville. Comment
  UC103909  Nicotiana attenuata Mrs. R. M. Austin Jul 1894 97 Modoc Chalk Grade Pit River (Pit River) Comment
  CAS-BOT-BC349919  Nothocalais troximoides Lillian Mott 1976-5-29 7 LM76 Modoc Devils Garden, north of Alturas 1402 Comment
  POM38616  Oenothera deltoides subsp. piperi R. M. Austin 1897-8-26 1641 Modoc Lost River Comment
  CAS-BOT-BC190808  Oenothera elata subsp. hirsutissima Mrs. M. H. Manning 1904-7-1 209 Modoc Fort Bidwell. Comment
  UC635387  Oenothera elata subsp. hirsutissima F. H. Frost 1925-7-24 111 Modoc Jess Valley Warner Mountains Comment
  JEPS43964  Oenothera elata subsp. hirsutissima W. L. Jepson 1918-8-6 7846 Modoc fields and summit Surprise Valley 1447 Comment
  JEPS31524  Oenothera flava subsp. flava Milo S. Baker 1893-7-20 Modoc near Forestdale; Lava Beds Comment
  UC128759  Oenothera flava subsp. flava Milo S. Baker 1893-1 Modoc e side Egg Lake Comment
  CAS-BOT-BC245091  Olsynium douglasii var. douglasii Bruce Bartholomew; M; M. Gilbert; L. E. Skog 1993-5-10 6430 Modoc 5 km NE of Davis Creek on road to Plum Valley Campground. 1700 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
  RSA128696  Onopordum acanthium T. C. Fuller 1959-7-8 2795 Modoc S/4th St., E/East St., Alturas Comment
  JEPS5978  Oreostemma alpigenum var. andersonii Frances D. Payne 1929-7-26 Modoc Warner Peak Warner Mountains Comment
  CAS-BOT-BC190796  Orobanche corymbosa Bruce Bartholomew 1991-6-22 5850 Modoc E side of Surprise Valley, 8.3 km E of Eagleville. 1430 Comment
  JEPS86073  Orobanche corymbosa subsp. corymbosa Wayne Roderick 1966-7-23 s.n. Modoc Warner Mountains, ca 2 miles N of Cedar Pass. Comment
  HSC80905  Orobanche fasciculata G. M. Riegel 1980-6-30 780 Modoc S Warner Mtns. 1829 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
  CAS-BOT-BC232178  Orthocarpus cuspidatus subsp. copelandii Frank Warrington Peirson 1926-6-25 6871 Modoc Cedarville Pass. Comment
  CAS-BOT-BC232325  Orthocarpus cuspidatus subsp. copelandii Elmer Ivan Applegate 1932-7-31 7966 Modoc Mill Creek Meadows. Comment
  RSA531343  Orthocarpus lacerus Bruce Bartholomew, B. Anderson 1989-6-3 4911 Modoc ca. 6 km NW of Egg Lake and ca. 0.8 km E of Service Flat Gulch. 1370 Comment
  JEPS86369  Osmorhiza berteroi Jack and Betty Guggolz 1988-6-28 956 Modoc w Jenkins Spring Comment
  HSC80793  Osmorhiza berteroi G. M. Riegel 1979-7-3 477 Modoc South Warner Mountains 1670 Comment
  CAS-BOT-BC15735  Osmorhiza chilensis John Thomas Howell 1934-6-11 11970 Modoc Parker Creek. 1584 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-BC15746  Osmorhiza occidentalis Barrett Anderson 1986-7-9 3152 Modoc Hwy 299 just W of Cedar Pass. 1920 Comment
  NY1101854  Osmorhiza occidentalis B. Anderson 1986-7-9 3152 Modoc Warner Mountains. Hwy 299 just west of Cedar Pass. 1920 Comment
  UC1087226  Osmorhiza occidentalis Peter H. Raven and Otto T. Solbrig 1958-6-18 13315 Modoc Happy Camp Guard Station 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
  JEPS57961  Oxyria digyna W. L. Jepson 1918-8-13 7977 Modoc Eagle Peak; Warner Mts., Eagle Peak 3017 Comment
  CAS-BOT-BC50301  Packera cana Bruce Bartholomew 1990-6-17 5357 Modoc 11.3 km N of Buck Creek Ranger Station, a crest of the Warner Mountains. 2130 Comment
  SEINET11799198  Packera cana Unknown 1940-1 40540 Modoc near Alturas Comment
  SJSU5425  Packera cana J. W. Tilden 1958-6-26 1269 Modoc near Monument Hdqtrs, Lava Beds National Monument Comment
  UC190691  Packera cana M. F. Gilman 592 Modoc 1676 Comment
  UC748198  Packera cana Annie M. Alexander and Louise Kellogg 1946-6-17 4784 Modoc on n side Cedar Pass Road 1767 Comment
  HSC28869  Packera eurycephala D. H. Norris, T. Nelson, S. Dowty 1971-6-23 19392 Modoc Along Hager Basin Rd. near Big Sage Reservoir. Comment
  HSC28870  Packera eurycephala D. H. Norris, T. Nelson, S. Dowty 1971-6-23 19363 Modoc Along the S Fork of the Pit River, ~6 mi. E of Likely. Comment
  CAS-BOT-BC50314  Packera eurycephala var. eurycephala Alice Eastwood; John Thomas Howell 1940-6-12 8050 Modoc Between Likely and Jess Valley. Comment
  CAS-BOT-BC50318  Packera eurycephala var. eurycephala Roxana Stinchfield Ferris; R. Duthie 1919-6-14 56 Modoc Above Parker Creek. Comment
  CAS-BOT-BC50325  Packera eurycephala var. eurycephala Gordon H. True 1964-6-3 1459 Modoc North fork Pit River between Alturas and Goose Lake. 1463 Comment
  CAS-BOT-BC50269  Packera eurycephala var. eurycephala Leland S. Smith 1404 Modoc Lava Beds, West Lava Ranger Station. 1280 Comment
  CAS-BOT-BC190782  Paeonia brownii Leland S. Smith 1922-7-20 1280 Modoc Rush Creek Ranger Station. 1889 Comment
  NY783754  Parnassia fimbriata B. M. Bartholomew 1990-8-4 5651 Modoc Side tributary in upper reaches of Owl Creek drainage, east side of Warner Mountains 2500 Comment
  CAS-BOT-BC498684  Pectocarya penicillata F. D. Douthitt 1916-5-17 28 Modoc Modoc Forest: Flornoy Swale 1828 Comment
  POM44194  Pedicularis attollens R. M. Austin 1895-07 409 Modoc Goose Lake Valley. Comment
  UCR34819  Pedicularis attollens J. A. Harpel 1981-8-6 V- 22 Modoc Warner Mtns, South Warner Wilderness Area: E end of Patterson Lake, 7 mi NW of Eagleville 2744 Comment
  CAS-BOT-BC232302  Pedicularis groenlandica subsp. surrecta Bruce Bartholomew 1995-7-31 7114 Modoc Upper reaches of Goose Creek, E side of the Warner Mountains. 2160 Comment
  CAS-BOT-BC232303  Pedicularis groenlandica subsp. surrecta Annie Montague Alexander; L. Kellogg 1946-6-28 4854 Modoc Pine Creek Canyon, Warner Mountains 2240 Comment
  HSC80738  Pedicularis semibarbata G. M. Riegel 1980-7-12 863 Modoc S Warner Mtns. 1670 Comment
  JEPS11491  Penstemon cinicola L. S. Smith 1918-6-22 947 Modoc n end Warner Mts. Modoc National Forest, n end Warner Mts. (High Grade District) 2286 Comment
  RSA185402  Penstemon davidsonii subsp. davidsonii Clare B. Hardham 1961-6-19 7886 Modoc Road from Mount Bidwell to Dismal Creek. 2439 Comment
  CAS-BOT-BC265300  Penstemon davidsonii var. davidsonii John Thomas Howell 1934-6-14 12122 Modoc Near Lost Lake, Warner Mountains 2438 Comment
  NY590158  Penstemon davidsonii var. davidsonii B. M. Bartholomew 1991-8-5 6055 Modoc Spring northeast of Cottenwood Lake along Summit Trail from Squaw Peak to Patterson Lake, Warner Mountains. 2580 Comment
  UC748187  Penstemon davidsonii var. davidsonii Annie M. Alexander and Louise Kellogg 1946-7-23 5046 Modoc Emerson Peak, below summit, NE Warner Mountains 2749 Comment
  UC1539988  Penstemon deustus M. Mitchell 1936-5-21 49 Modoc 2 mi se Hospital Rock (Lava Beds National Monument); , se of Hospital Rock 1249 Comment
  CAS-BOT-BC232371  Penstemon deustus var. pedicellatus Annie Montague Alexander; L. Kellogg 1946-6-28 4868 Modoc Pine Creek Canyon, North end of Warner Mountains 1615 Comment
  JEPS11230  Penstemon deustus var. pedicellatus Mrs. M. H. Manning 1907-5-1 Modoc Twelve Mile Creek, ne Modoc County Twelve Mile Creek Comment
  NY600739  Penstemon gracilentus M. Bourell 1993-8-15 5280 Modoc South Warner Wilderness Area. Warner Mountains. Along trail from Patterson Lake to ca. 2 miles north toward Pepperdine Trailhead. 2438.4 Comment
  POM229174  Penstemon gracilentus Louis C. Wheeler 1935-8-8 3812 Modoc North Fork Bidwell Creek, Warner Mtns. 2287 Comment
  CAS-BOT-BC245518  Penstemon janishiae J. Vale; K. Wagnon; W. Kngith; Irja Knight 1981-5-21 4119 Modoc Crowder Flat Road, half way between Hwy 299 and Devils Garden. 1371 Comment
  CAS-BOT-BC245520  Penstemon janishiae Harry Delbert Thiers 1966-5-13 16326 Modoc Between Alturas and Crowder Flat Ranger Station. 1524 Comment
  SEINET10444628  Penstemon janishiae Noel H. Holmgren, Patricia K. Holgren 1978-1 8883 Modoc Crowder Flat road, 0.5 km (0.3 mile) from junction with California Highway 299 which is 5.6 km (3.5 miles) west of U.S. Highway 395 (Alturas) 1340 Comment
  RSA78969  Penstemon laetus var. sagittatus E. K. Balls, Percy C. Everett 1952-10-11 18167 Modoc 6.7 mi W of turn off Hwy 139 on road to Pumice Pits at E edge of Glass Flow. 1280 Comment
  CAS-BOT-BC232506  Penstemon roezlii C. C. (Mrs.) Bruce 1898-7-1 2861 Modoc unspecified Comment
  CAS-BOT-BC232517  Penstemon roezlii Bruce Bartholomew; Barrett Anderson 1989-6-2 4792 Modoc Long Canyon, 12 km NE of Fort Bidwell on the road to the Oregon border. 1550 Comment
  NY650111  Penstemon roezlii B. M. Bartholomew 1988-6-25 4392 Modoc 5.6 km northwest of State Highway 299 on County Road 73. Big Sage Reservoir 15' Quad. 1500 Comment
  RSA101673  Penstemon roezlii L. S. Rose 1940-6-13 40562 Modoc Cedar Pass. 2119 Comment
  UC27496  Penstemon roezlii Mrs. R. M. Austin Aug. 1894 Modoc hills e Davis Creek (northern California); Hills e of Davis Creek Comment
  UC727339  Penstemon roezlii Elmer I. Applegate 1929-6-24 5886 Modoc along Pitt River above Adin; along Pitt River Comment
  CAS-BOT-BC245498  Penstemon rydbergii var. oreocharis Alice Eastwood; John Thomas Howell 1940-6-12 8065 Modoc Between Likely and Jess Valley. Comment
  HSC21044  Penstemon rydbergii var. oreocharis M. T. Milligan 1964-6-25 84 Modoc Upper Lassen Creek 1829 Comment
  UC748178  Penstemon rydbergii var. oreocharis Annie M. Alexander and Louise Kellogg 1946-6-30 4874 Modoc Highgrade n end of Warner Mountains, Highgrade (w side of ridge, n end of Warner Mountains) 2377 Comment
  UCR77773  Penstemon rydbergii var. oreocharis K. Paulson, R. Paulson 1989-7-4 171 Modoc About 1 mi south of Patterson Ranger Station, S end of Warner Mtns 2122 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-BC245557  Penstemon speciosus Bruce Bartholomew 1995-8-1 7156 Modoc Bidwell Mtn., E side of the Warner Mountains. 2150 Comment
  CAS-BOT-BC245564  Penstemon speciosus Milo Samuel Baker 1893-7-8 s.n. Modoc Lava beds. Comment
  RSA59600  Penstemon speciosus Verne Grant, Alva Grant 1950-7-14 8947 Modoc On north flank of Cedar Mt, Warner Mtns. 2195 Comment
  CAS-BOT-BC214727  Peraphyllum ramosissimum Amos Arthur Heller 1938-6-24 15228 Modoc Between Alturas and Canby. 1219 Comment
  RSA59528  Peraphyllum ramosissimum E. K. Balls 1950-5-20 14811 Modoc Above South Fork Public Camp, on slope south of river, Likely to Jess Valley. 1433 Comment
  CAS-BOT-BC498669  Peraphyllum ramosissimum K. Paulson; R. Paulson 1991-5-26 223 Modoc Along Hwy 395, ca 3 mi S of Alturas 1338 Comment
  RSA77089  Peraphyllum ramosissimum F. W. Peirson 1926-6-26 6905 Modoc Hill slope in broken country, between Alturas and Canby. Comment
  SBBG2991  Peraphyllum ramosissimum H. and M. Dearing 1939-6-7 3587 Modoc W of Alturas 1310 Comment
  CAS-BOT-BC15706  Perideridia bolanderi subsp. bolanderi Margaret J. Williams 1983-7-29 83- 116 -10 Modoc 1.1 mi. N of Stowe Reservoir Campground. 2087 Comment
  CAS-BOT-BC15715  Perideridia oregana Annie Montague Alexander; L. Kellogg 1946-7-10 4951 Modoc N of Lake Annie. Comment
  CAS-BOT-BC95154  Peritoma platycarpa Edward Kent Balls; Percy C. Everett 1952-10-10 18146 Modoc 2.4 mi E of Likely along road to Jess Valley. 1402 Comment
  CAS-BOT-BC95158  Peritoma platycarpa Fred D. Douthitt 1916-5-11 24 Modoc Juniper Flats near Flournoy Swale 1524 Comment
  CHSC117289  Persicaria lapathifolia Lowell Ahart; John Dittes 2016-7-14 21189 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-BC218156  Persicaria maculosa Bruce Bartholomew 1992-8-7 6355 Modoc Along the Pit River just SW of Canby Bridge. 1300 Comment
  CHSC23594  Phacelia adenophora K. R. Stern; D. B. Joley, J. G. Geschke 1974-6-23 5847 Modoc Comment
  SBBG30501  Phacelia hastata D. Myrick 1968-6-20 1967 Modoc Cedar Pass Rd, St Hwy 299, 10 mi E of Alturas 1371 Comment
  JEPS2029  Phacelia hastata subsp. compacta W. L. Jepson 1918-8-13 7980 Modoc Eagle Peak Warner Mts. 3017 Comment
  CAS-BOT-BC179265  Phacelia hastata subsp. hastata Bruce Bartholomew; Barrett Anderson 1990-7-20 5527 Modoc 3.4 km NW of Tamarack Flat, E side of Warner Mts. 2130 Comment
  CHSC101174  Phacelia hastata var. hastata Nick Otting; Danna Lytjen 2004-9-2 962 Modoc South Warner Mountains, slopes south of Patterson Lake, 18 air miles southeast of Alturas. 2788 Comment
  CAS-BOT-BC180018  Phacelia heterophylla subsp. virgata Francis Dorris Payne 18 Modoc Parker Creek. 1584 Comment
  CAS-BOT-BC180020  Phacelia heterophylla subsp. virgata Bruce Bartholomew 1992-5-14 6275 Modoc SW side of White Horse Mountains, SW of White Horse Flat Reservoir. 1400 Comment
  UC71796  Phacelia heterophylla subsp. virgata Mrs. M. H. Manning 1903-6 153 Modoc woods near Fort Bidwell (ne Modoc Co.) Comment
  POM203783  Phacelia heterophylla subsp. virgata J. T. Howell 1934-6-11 11911 Modoc Parker Creek, Warner Mts. 1585 Comment
  UC660058  Phacelia heterophylla subsp. virgata Alan A. Beetle 2820 Modoc 10 mi w Alturas (road from Alturas to Cedarville) 1371 Comment
  UC726920  Phacelia heterophylla subsp. virgata A. A. Heller 1941-6-26 16223 Modoc along US Hwy 299 4 mi w Canby Comment
  UC619272  Phacelia humilis J. and H. W. Grinnell 1938-6-16 1110 Modoc Cedar Pass Summit Warner Mountains 1935 Comment
  CAS-BOT-BC179975  Phacelia humilis var. humilis Francis Dorris Payne 1932-6-26 613 Modoc Ridge N of Parker Creek. 1828 Comment
  CAS-BOT-BC179986  Phacelia humilis var. humilis K. Paulson; Robert Paulson 1989-6-14 128 Modoc Ca. 1.5 mi. NE of Cedar Pass, Warner Mts. 1905 Comment
  CAS-BOT-BC179992  Phacelia humilis var. humilis Bruce Bartholomew; Barrett Anderson 1988-7-22 4478 Modoc Vicinity of East Creak Trailhead, southern end of the Warner Mts. 2210 Comment
  CAS-BOT-BC179997  Phacelia humilis var. humilis Francis Dorris Payne 1931-6-25 264 Modoc Pine Creek Basin. 2316 Comment
  RSA26541  Phacelia linearis H. C. Cantelow 1940-6-2 s.n. Modoc West of Alturas, road to Lava Beds National Monument. Comment
  UC24394  Phacelia linearis Milo S. Baker 1893-7-5 Modoc Lava beds Comment
  CAS-BOT-BC179946  Phacelia mutabilis Louis Cutter Wheeler 1935-8-10 3824 Modoc Lily Lake. 2133 Comment
  RSA582231  Phacelia mutabilis Louis C. Wheeler 1935-8-10 3824 Modoc Lily Lake, Pine Creek, Warner Mountains. 2134 Comment
  CAS-BOT-BC179928  Phacelia sericea var. ciliosa Francis Dorris Payne 1932-7-21 721 Modoc Ridge N of Mt Warren. 2438 Comment
  CAS-BOT-BC248349  Phacelia sericea var. ciliosa B. Bartholomew; H. Sun 2002-6-24 8832 Modoc Ca. 1 km NW of Bald Mt., E side of the Warner Mountains 2290 Comment
  UC748117  Phacelia sericea var. ciliosa Annie M. Alexander and Louise Kellogg 1946-8-9 5129 Modoc Patterson Lake Trail Warner Mountains Comment
  CAS-BOT-BC179910  Phacelia thermalis John Thomas Howell 1934-6-30 12270 Modoc Duncan Horse Camp. 1355 Comment
  JEPS83791  Phacelia thermalis Dean Wm. Taylor with Robert A. Price 1988-6-4 9761 Modoc ca 2.6 mi S10 deg e Casuse Mountain; Modoc Plateau, Tule Lake 15' quadrangle, Tule Lake Basin, Do 1280 Comment
  SJSU9586  Phacelia thermalis W. Savage 1979-7-5 1350 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  UC791037  Phacelia thermalis Calvin McMillan and Malcolm Nobs 1949-6-16 1533 Modoc Porcupine Valley, ca. 30 miles northwest of Canby Comment
  CDA2272  Phalaris arundinacea T. C. Fuller 1963-8-26 11172 Modoc West side of Hwy 395 to Lakeview, 1 mile north of Davis Creek. 0 Comment
  CAS-BOT-BC247551  Phleum alpinum Bruce Bartholomew 1989-8-11 5093 Modoc Vicinity of Patterson Ranger Station, S end of Warner Moutains. 2160 Comment
  CDA2315  Phleum pratense T. C. Fuller 1958-7-8 2027 Modoc Davis Creek. 0 Comment
  UC1100414  Phleum pratense Herbert L. Mason and Verne Grant 1947-7-10 13358 Modoc 2 mi e Alturas (1/4 mi w of Dorris Reservoir); w of Dorris Reservoir Comment
  CAS-BOT-BC197947  Phlox diffusa Bruce Bartholomew; Mona Bourell 1990-4-27 5169 Modoc NW side of Rice Flat, ca. 2 km S of Adin Pass. 1540 Comment
  HSC17157  Phlox diffusa M. T. Milligan 1965-7-10 437 Modoc W slope of Eagle Peak. 2439 Comment
  CAS-BOT-BC197938  Phlox douglasii subsp. rigida Bruce Bartholomew; Barrett Anderson 1988-6-24 4313 Modoc Road beyond Poison Lake ca. 8 km S of the road from U.S. Highway 395 to Lily Lake, Warner Mts.. 2130 Comment
  RSA59706  Phlox douglasii subsp. rigida E. K. Balls 1950-5-18 14748 Modoc Above Upper Rush Creek Public Camp, 2.5 miles east from Highway 299. 1829 Comment
  JEPS3969  Phlox douglasii subsp. rigida N. T. Mirov 1929-5-30 Modoc e of Goose Lake (w of Fandango Valley); Warner Mountains, Buck Creek 1584 Comment
  RSA60320  Phlox douglasii subsp. rigida E. K. Balls 1950-5-10 15959 Modoc Hwy 395, 0.5 mile before jct, 5.5 miles NE of Alturas. 1524 Comment
  SEINET3134806  Phlox gracilis E. K. Balls 1950-5-12 14659 Modoc Bucks Creek Ranger Station, Modoc Natl. For., E of Goose Lake 1676 Comment
  CAS-BOT-BC197888  Phlox hoodii subsp. canescens Bruce Bartholomew 1991-5-24 5729 Modoc 2.9 km NE of road between Fort Bidwell and Fee Reservoir on road to Big Mud Lake. 1680 Comment
  CHSC27613  Phlox hoodii subsp. canescens Robert Schlising 1978-7-29 3328 Modoc Warner Mountains, directly E of Western Peak, just off summit of trail. 2852 Comment
  CHSC116361  Phlox hoodii subsp. canescens J. R. Keck Jr.; Wright 1991-5-30 PDR 725210 Modoc Tionesta; Modoc National Forest. 1311 Comment
  UC23907  Phlox hoodii subsp. canescens Milo S. Baker Jun 10 1893-Jun 27 1893 Modoc Comment
  SEINET7073581  Phlox pulvinata A. G. Vestal 1955-5-18 s.n. Modoc About 3.2 miles east of Aden on Route 87. UTM Zone 10, 666674mE, 4563618mN. Coordinate datum: NAD27. Comment
  CAS-BOT-BC197867  Phlox stansburyi Belknap C. Goldsmith 1912-5-8 45 Modoc 8 mi. NW of Alturas. Comment
  CHSC67577  Phlox stansburyi James D. Jokerst 1983-5-31 1814 Modoc Near Hwy. 395 S of Alturas at the base of the upper ramparts of the butte just S of Signal Butte. 1341 Comment
  HSC17180  Phlox stansburyi M. T. Milligan 1964-4-25 Modoc 1 mi. up Barns Grade Rd. at stock pens Comment
  SJSU13883  Phlox stansburyi N. A. Hopkins 1985-5-13 1271 Modoc by Hwy 395 c. 30 mi S of Alturas Comment
  CHSC118078  Phlox stansburyi var. brevifolia L. P. Janeway 2016-5-17 12037 Modoc Modoc Plateau. Devils Garden area; along road 45N06 1.6 road-km northeast of Logan Slough crossing; about 3.4 air-km north of Big Sage Reservoir. 1494 Comment
  CAS-BOT-BC58584  Phoenicaulis cheiranthoides C. L. Hitchcock 1940-5-27 6673 Modoc 15 mi. NE of Alturas. 1615 Comment
  JEPS77518  Phoenicaulis cheiranthoides L. R. Heckard with T. I. Chuang and R. C. Bacigalupi 1978-7-19 4885 Modoc Cedar Pass; Warner Mountains, Cedar Pass 1920 Comment
  RSA120962  Phoenicaulis cheiranthoides Milo S. Baker 1936-6-14 8349 Modoc Near summit of Cedar Pass. 1936 Comment
  UC10760  Phoenicaulis cheiranthoides Milo S. Baker 1893-6-13 Modoc near Pitt River Comment
  UC10761  Phoenicaulis cheiranthoides Mrs. R. M. Austin April, 1894 Modoc Goose Lake Valley Comment
  UC673294  Phoenicaulis cheiranthoides Mrs. B. A. Crabtree 1926-4-12 Modoc Davis Creek 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
  UCD116140  Phoenicaulis cheiranthoides R. N. Raynor 1940-4-13 s.n. Modoc Joseph Creek. Comment
  POM94707  Phoenicaulis cheiranthoides Mrs. R. M. Austin 1895-05 8 Modoc Goose Lake Valley Comment
  UCD89834  Phragmites australis P. B. Kennedy 1915-9-1 s.n. Modoc Adin. Comment
  CDA32619  Phragmites australis T. C. Fuller 1957-9-17 341 Modoc Near Eagleville. 0 Comment
  CAS-BOT-BC73412  Pinus albicaulis Elmer I. Applegate 1932-7-31 7991 Modoc Mill Creek Meadows, west slope of Warner Mountains. 2438 Comment
  UC71579  Pinus contorta subsp. murrayana Mrs. M. H. Manning 1902-10-26 31 Modoc Warner Mt. ne Modoc County, Warner Mt. 1828 Comment
  NY49935  Pinus contorta var. murrayana B. M. Bartholomew 1988-7-22 4520 Modoc South end of Bearcamp Flat, southern end of Warner Mountains. Emerson Peak 7.5' Quad [topographic map] 2230 Comment
  UCD162394  Pinus monticola Chuck Hughes 2015-9-12 439 Modoc Near the Larry Flat Campground, Modoc National Forest. 1864 Comment
  UC1612279  Pinus monticola Mrs. M. H. Manning 1905-1-1 Modoc Comment
  CAS-BOT-BC79033  Pinus ponderosa Elmer I. Applegate 1932-8-4 8144 Modoc About 3 miles above [Cantral] Cantrall Mill, Cherry Creek, on road to Mill Creek Meadows, Warner Mountains 2133 Comment
  CAS-BOT-BC79036  Pinus ponderosa Roxana S. Ferris; Laura Lorraine 1941-8-13 10546 Modoc Patterson Ranger Station (East Creek drainage), Modoc National Forest, Warner Mountains 2164 Comment
  UC1713800  Pinus ponderosa W. P. Taylor 1910-6-26 2027 Modoc Parker Creek; Warner Mts. 1676 Comment
  UC71713  Pinus ponderosa Mrs. M. H. Manning 1903-1-1 11 Modoc e slope of Warner Mts. Warner Mts. (in ne Modoc County) 1828 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
  CAS-BOT-BC228007  Plagiobothrys Roxana S. Ferris; Rena Duthie 1919-6-15 429 Modoc By railroad tracks, Davis Creek Comment
  CAS-BOT-BC58786  Plagiobothrys bracteatus Bruce Bartholomew; Barrett Anderson 1990-7-19 5410 Modoc Turner Creek at County Rd 90, N end of Big Valley, 6.4 km N of Lassen County border. 1230 Comment
  CHSC117877  Plagiobothrys cognatus L. P. Janeway 2016-5-16 11976 Modoc Modoc Plateau. Devils Garden area; along Road 47N07 1.8 road-km south of Road 181/73/47N09. 1573 Comment
  SJSU9597  Plagiobothrys cusickii W. Savage 1979-7-5 1364 Modoc Triange, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 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
  CAS-BOT-BC58794  Plagiobothrys leptocladus Alice Eastwood; John Thomas Howell 1940-6-13 8165 Modoc Surprise Valley, 6 mi. S of Fort Bidwell. Comment
  JEPS117365  Plagiobothrys mollis var. mollis Lowell Ahart, John Dittes 2010-8-30 17077 Modoc About 25 yards east of the fence, south edge of the meadow, Ash Creek State Wildlife Area, 2300 feet north of Lassen County line, 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley 1267 Comment
  RSA152443  Plagiobothrys salsus I. L. Wiggins, Dorothy Wiggins 1961-6-12 16446 Modoc Lane on Phipp s Ranch, about 14 miles N of Cedarville, Suprise Valley. Comment
  CAS-BOT-BC58732  Plagiobothrys scouleri Bruce Bartholomew; Barrett Anderson 1988-7-22 4547 Modoc Benton Meadow, Warner Mts.. 2180 Comment
  CAS-BOT-BC58747  Plagiobothrys scouleri Herbert Louis Mason; Verne Grant 1947-7-12 13421 Modoc Near S end of W side road, along railroad tracks, Pit River, S of Alturas. Comment
  CAS-BOT-BC58763  Plagiobothrys scouleri Alice Eastwood; John Thomas Howell 1940-6-13 8132 Modoc W side of Fandango Pass. Comment
  UC1560400  Plagiobothrys scouleri E. Joyal and D. Mehlman 1988-6-27 1287 Modoc Jess Valley Warner Mts. 1500 Comment
  POM204141  Plagiobothrys scouleri var. hispidulus J. T. Howell 1934-6-11 11912 Modoc Parker Creek, Warner Mts. 1585 Comment
  RSA164362  Plagiobothrys scouleri var. hispidulus Clare B. Hardham 1961-6-17 7518 Modoc Cedar Pass Camp Ground, Warner Mountains Comment
  RSA59935  Plagiobothrys scouleri var. hispidulus E. K. Balls 1950-5-13 14667 Modoc Goose Lake, east shore, near Willow Ranch. 1463 Comment
  CHSC85102  Plagiobothrys stipitatus var. micranthus John Dittes; Josephine Guardino 1991-6-1 370 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-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
  JEPS79217  Plagiobothrys stipitatus var. micranthus L. R. Heckard with R. C. Bacigalupi 1980-6-10 5265 Modoc about 10 mi nw Lookout (along Great Northern Railroad grades) Comment
  UC25063  Plagiobothrys tenellus M. S. Baker and Frank Nutting 1894-6-26 Modoc near Lookout; Big Valley Comment
  UC429096  Platanthera Mrs. Austin Jul 1894 127 Modoc Lassen Creek Comment
  POM107764  Platanthera leucostachys Mrs. R. M. Austin 488 Modoc Davis Creek. Comment
  CAS-BOT-BC136650  Platanthera stricta L. S. Smith 1918-6-22 943 Modoc Field redacted by CAS, contact the data manager for more information 2286 Comment
  CAS-BOT-BC242208  Platanthera stricta Bruce Bartholomew 1989-8-11 5075 Modoc Field redacted by CAS, contact the data manager for more information 1920 Comment
  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
  RSA433722  Plectritis californica Christopher Davidson 1973-5-24 2101 Modoc S of Alturas on Hwy 395 near Likely. 1311 Comment
  POM68546  Plectritis congesta subsp. brachystemon R. M. Austin 1895-05 415 Modoc Goose Lake. Comment
  CAS-BOT-BC245395  Plectritis macrocera Bruce Bartholomew; Barrett Anderson 1988-5-13 4168 Modoc Ca. 1 km SE of Parker Creek Road on West Warner Road, W side of the Warner Mts.. 1710 Comment
  RSA520473  Plectritis macrocera Bruce Bartholomew, B. Anderson 1989-4-27 4627 Modoc Little Hot Spring Valley, 4 km NW of Day. 1070 Comment
  HSC68794  Plectritis macrocera Gary Schoolcraft 1980-4-17 208 Modoc N end of Portuguese Ridge, SE of Canby. 1402 Comment
  UC748196  Pleiacanthus spinosus Annie M. Alexander and Louise Kellogg 1946-7-5 4910 Modoc Lava Cliff, west Lower Lake. Comment
  UC710915  Poa C. L. Hitchcock 1940-5-27 6732 Modoc 12 mi ne Alturas 1615 Comment
  SBBG664  Poa annua A. A. Beetle 1941-6-29 2832 Modoc near summit of Cedar (Cedarville) Pass 2118 Comment
  UC1025051  Poa annua Leo Whitney 1935-8-3 3594 Modoc Buck Creek Comment
  CAS-BOT-BC247584  Poa bulbosa Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-16 16527 Modoc 4.6 mi. N of Adin. Comment
  JEPS70631  Poa cusickii L. S. Smith 1917-7-2 71 Modoc head of Shields Creek; Wasrner Mts 2286 Comment
  UCD90896  Poa cusickii J. C. Hayes 1935-6-25 s.n. Modoc Alturas. Comment
  UC1024971  Poa cusickii subsp. cusickii Leo Whitney 1935-7-6 3434 Modoc near Lookout Pit River Comment
  CAS-BOT-BC247612  Poa pratensis subsp. pratensis Roxana Stinchfield Ferris; R. Duthie 1919-6-13 50 Modoc Parker Creek near Modoc National Forest boundary. Comment
  CAS-BOT-BC247617  Poa pratensis subsp. pratensis Bruce Bartholomew; Barrett Anderson 1990-7-20 5543 Modoc N edge of Howard Flat, W side of Warner Mts. 2000 Comment
  UC1024861  Poa pratensis subsp. pratensis Leo Whitney 1935-6-1 3169 Modoc 1 mi sw White Horse Comment
  UC1037119  Poa pratensis subsp. pratensis Leo Whitney 1934-5-28 2243 Modoc ca 15 mi nw Canby (Lake Joaquina, Hackamore); Modoc Nat'l Forest 1463 Comment
  SEINET10522718  Poa secunda Billy Joe Cox, Paul Gallian 1971-6-3 Cox 2610 Modoc 6 mi N of Alturas on US Hwy 395, W facing slope, in middle of grassland pasture, edging into Artemesia which adjoins Juniper woodland. Lupinus sp. in very dense populations on every slope for over a mi N, more or less a valley side in decomposing basalt with lighter soil above. 1341 Comment
  HSC10720  Poa secunda subsp. juncifolia R. C. Wunner 1965-7-1 329 Modoc Lava Beds N. M., 1/4 mi. from top of Gillems Bluff above Gillems Camp. Comment
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Aug 20 2013
  UC1025057  Poa secunda subsp. juncifolia Leo Whitney 1935-6-23 3576 Modoc 15 mi w Canby (Happy Camp, USBE Plot); Modoc Nat'l Forest 1463 Comment
  UC820951  Poa secunda subsp. juncifolia C. L. Hitchcock 1940-5-28 6725 Modoc 15 mi n Alturas 1402 Comment
  UCD92163  Poa secunda subsp. juncifolia J. E. Coke 1932-11-1 s.n. Modoc Modoc County. Comment
  UCD92437  Poa secunda subsp. juncifolia E. Wilson 1935-5-14 s.n. Modoc W side of pass toward Alturas. Comment
  UC1024915  Poa secunda subsp. juncifolia Leo Whitney 1935-6-28 3366 Modoc Redding-Alturas near Adin Comment
  CAS-BOT-BC247606  Poa secunda subsp. secunda John Thomas Howell 1934-7-1 12344 Modoc Duncan Horse Camp. 1355 Comment
  CAS-BOT-BC247658  Poa secunda subsp. secunda E. S. Willits 1940-5-6 217 Modoc Near Lassen Creek, Willow Ranch. Comment
  CAS-BOT-BC247669  Poa secunda subsp. secunda Gordon H. True 1964-6-3 1455 Modoc N Fork Pit River, between Alturas and Goose Lake. 1463 Comment
  CHSC69493  Poa secunda subsp. secunda James D. Jokerst 1987-5-13 2857 Modoc Radar Survey Site S of Doublehead Mtn., S of Clear Lake Reservoir, lake W and adjacent to N end of central sector. 1353 Comment
  HSC26515  Poa secunda subsp. secunda J. P. Smith, J. O. Sawyer 1972-5-6 5249 Modoc County Rd. 86, just E of Adin. 1098 Comment
  SJSU9600  Poa secunda subsp. secunda W. Savage 1979-7-5 1369 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  UC1024904  Poa secunda subsp. secunda Leo Whitney 1935-5-21 3110 Modoc ca 15 mi nw Canby (Hackamore); Modoc Nat'l Forest 1463 Comment
  UC1037165  Poa secunda subsp. secunda Leo Whitney 1935-7-12 3499 Modoc 10 mi w Canby (Cottonwood Flat) Comment
  UCD32711  Poa secunda subsp. secunda Beecher Crampton 1954-7-7 2140 Modoc W side of Cedar Pass. Comment
  UCD92102  Poa trivialis J. C. Hays 1937-7-1 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
  HSC80831  Poa wheeleri G. M. Riegel 1979-7-30 628 Modoc S Warner Mtns. 1829 Comment
  CAS-BOT-BC179348  Pogogyne floribunda Bruce Bartholomew 1995-6-24 7019 Modoc 24.8 km E of County Road 114 on County Road 108, N of Clear Lake Reservoir. 1360 Comment
  CAS-BOT-BC179354  Pogogyne floribunda Bruce Bartholomew 1991-8-4 6021 Modoc 3.2 km S of Drift Fence Tank on road to Mud Lake. 1580 Comment
  RSA580060  Pogogyne floribunda Louis C. Wheeler 1935-8-25 3915 Modoc Rim Rock Valley Reservoir, Devil s Garden 1524 Comment
  CAS-BOT-BC197848  Polemonium micranthum Bruce Bartholomew; Barrett Anderson 1988-5-12 4114 A Modoc S side of Egg Lake. 1300 Comment
  CHSC99114  Polemonium micranthum Lowell Ahart; John Dittes 2008-6-21 14981 Modoc North of the large culvert, west of the large levee, in Big Valley, about 2.8 miles (air) north of the Headquarters at Ash Creek State Wildlife Area, about 5.4 miles (air) northeast of Bieber. 1255 Comment
  RSA523874  Polyctenium fremontii Barbara Ertter 1988-6-18 7617 Modoc Hwy 139, 50 airmiles SW of Klamath Falls, a few miles N of Agric. Inspection Station, 1 mile S of jct to Lava Beds Nat l Monument E of Tonesta. 1311 Comment
  SEINET5512254  Polyctenium fremontii J. C. Beatley 1964-1 Modoc Tule Lake area NTS Herbarium coll. Drainage area: Tule Lake 1829 Comment
  CAS-BOT-BC419700  Polygonum austiniae Mrs. R. M. Austin; Mrs. Bruce 1898-6-1 s.n. Modoc Goose Lake Comment
  HSC41121  Polygonum aviculare Thomas W. Nelson, Jane P. Nelson, James Nelson 1976-8-29 3256 Modoc Modoc National Forest: along Hwy. 299 just NW of Adin Pass 1524 Comment
  CHSC115486  Polygonum aviculare subsp. buxiforme L. P. Janeway 2014-7-8 11473 Modoc Modoc Plateau. East corner of Dry Creek Rim; along Road 47N08 (Corral Creek Road) 5.1 road-km north-northwest of Road 48 (along the west edge of Goose Lake). 1759 Comment
  UCD99952  Polygonum aviculare subsp. depressum R. C. Bacigalupi; S. Galen Smith 1957-6-28 5984 Modoc Along Highway 299, 4.2 miles west of junction with Highway 395 at Alturas. 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
  RSA516810  Polygonum douglasii Bruce Bartholomew 1988-6-25 4398 Modoc Ryan Canyon, N of Adin, Juniper shrub savanna. 1390 Comment
  RSA518871  Polygonum douglasii Barbara J. Ertter 1988-6-18 7615 Modoc Hwy 139, 50 airmiles SW of Klamath Falls, a few miles N of Agric. Inspection Station, 1 mile S of jct to Lava Beds Nat'l Monument E of Tonesta. 1311 Comment
  JEPS51293  Polygonum douglasii subsp. douglasii Leland S. Smith 1918-7-11 986 Modoc Mill Creek Meadows Modoc <National> Forest 1981 Comment
  SEINET11939041  Polygonum kelloggii H. L. Mason 1957-1 14706 Modoc W side of Said Valley Comment
  NY412807  Polygonum kelloggii var. kelloggii B. M. Bartholomew 1988-5-12 4097 Modoc White Horse 15' Quad. 1340 Comment
  RSA210874  Polygonum lapathifolium Robert F. Thorne, James Henrickson, C. W. Tilforth 1969-9-3 39020 a Modoc SE end of Tule Lake Sump 0.5 miles N of turnoff to Lava Beds National Monument, (2.2 miles E of NE entrance to monument) 1265 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-BC218172  Polygonum polygaloides subsp. confertiflorum Leland S. Smith 1922-7-7 1260 Modoc High Grade Hill and Dismal Swamp. 2316 Comment
  CAS-BOT-BC218173  Polygonum polygaloides subsp. confertiflorum Bruce Bartholomew; Barrett Anderson 1988-5-12 4097 Modoc White Horse. 1340 Comment
  CHSC67588  Polygonum polygaloides subsp. confertiflorum James D. Jokerst 1990-8-2 3214 Modoc S of Hwy. 139 NW of Canby, 4.7 mi W of junction with Loveness Rd. Comment
  UC1971321  Polygonum polygaloides subsp. confertiflorum Louis C. Wheeler 1973-8-22 Modoc DEVILS GARDEN: Ca. 1/4 mile southwest of Big Sage Reservoir. Comment
  JEPS19796  Polygonum polygaloides subsp. confertiflorum Rimo Bacigalupi with S. Galen Smith 1957-6-27 5982 Modoc about 9 mi nw of Canby (along State Highway 139); State Highway 139 1584 Comment
  RSA125790  Polygonum polygaloides subsp. confertiflorum H. L. Mason 1957-6-21 14706 Modoc W side of Said Valley Comment
  RSA32012  Polygonum polygaloides subsp. confertiflorum A. A. Heller 1938-6-24 15230 Modoc 2 miles E of McArthur. 1037 Comment
  CHSC67589  Polygonum polygaloides subsp. esotericum James D. Jokerst 1987-7-17 2953 Modoc Hwy. 139 NW of Canby, 300 m N of the highway at the SE edge of a large dry lake on a dry barren mudflat near the concrete overflow weir. Comment
  SJSU9618  Polygonum polygaloides subsp. esotericum W. Savage 1979-7-6 1423 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  UC1748337  Polygonum polygaloides subsp. esotericum James D. Jokerst 1987-7-17 2953 Modoc Hwy. 139 N of Canby (300 m N of hwy. at SE edge of a large dry lake on a dry barren mudflat near the concrete overflow weir) Comment
  UCD77947  Polygonum polygaloides subsp. esotericum Robert E. Preston 2000-7-18 1409 Modoc Ca. 14 mi nw of Canby, on n side of Hwy 139, 0.4 mi w of Forest Service Rd 44N11. 1467 Comment
  CAS-BOT-BC498690  Polygonum polygaloides subsp. esotericum L. C. Wheeler 1973-8-23 s.n. Modoc Big Mud Lake Comment
  UC1060644  Polygonum polygaloides subsp. kelloggii Herbert L. Mason 1957-7-6 14276 Modoc w Goose Lake; Rim Rock Comment
  NY407626  Polygonum sawatchense B. M. Bartholomew 1989-6-2 4781 Modoc Top of Fandango pass, Warner Mountains. 1870 Comment
  NY407628  Polygonum sawatchense A. Tiehm 1984-6-30 8841 Modoc Northwest side of Bidwell Mountain, 2.8 road miles north of 8 mile creek on the road from Lake Annie 1828.8 Comment
  UC711901  Polygonum sawatchense subsp. oblivium Roxana S. Ferris and Laura Lorraine 1941-8-13 10536 Modoc Patterson Ranger Station (East Creek drainage) Warner Mountains, Modoc National Forest 2164 Comment
  RSA334868  Polygonum sawatchense subsp. sawatchense A. Tiehm 1984-6-30 8841 Modoc NW side of Bidwell Mt., 2.8 road miles north of 8 mile creek on the road from Lake Annie. 1829 Comment
  UCR208105  Polygonum sawatchense subsp. sawatchense Arnold Tiehm 1984-6-30 08841 Modoc NE ('northwest') side of Mount Bidwell, 2.8 road miles north of Eightmile Creek on the road from Lake Annie 1829 Comment
  CAS-BOT-BC252510  Polypogon monspeliensis Bruce Bartholomew 1992-5-15 6283 Modoc Vicinity of Leonard Hot Spring, E side of Surprise Valley. 1370 Comment
  SACT002056  Polypogon monspeliensis Malcolm Nobs, Galen Smith 1949-7-20 Modoc Four mile 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
  POM229195  Potamogeton foliosus L. C. Wheeler 1935-9-1 3933 Modoc Pine Spring, Devil s Garden. 1524 Comment
  POM208867  Potamogeton natans Milo S. Baker 1899-8-12 s.n. Modoc Egg Lake, in 3ft of water, Modoc County Comment
  CAS-BOT-BC242230  Potamogeton nodosus Robert Folger Thorne; et al 1969-9-4 39129 Modoc N Fork of Pit River 3.4 mi. N of Alturas where crossed by Hwy 395. 1341 Comment
  RSA210788  Potamogeton nodosus Robert F. Thorne, J. Henrickson, C. W. Tilforth 1969-9-4 39129 Modoc N Fork of Pit River 3.4 mi N of Alturas where crossed by Highway 395. 1341 Comment
  RSA210789  Potamogeton nodosus Robert F. Thorne, C. W. Tilforth 1969-9-4 39046 Modoc Parker Creek at bridge near junction with north fork of Pit River, 5 miles north of Alturas. 1341 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
  CAS-BOT-BC242260  Potamogeton pectinatus Verne Grant; I. Schneider 1947-7-19 8085 Modoc S of Williams ranch house, N of Likely. Comment
  SEINET5335406  Potamogeton perfoliatus M. S. Baker 1899-8-24 s.n. Modoc in Pit River at Lookout Comment
  CAS-BOT-BC242272  Potamogeton richardsonii Robert Folger Thorne; et al 1969-9-4 39128 Modoc N Fork of Pit River 3.4 mi. N of Alturas where crossed by Hwy 395. 1341 Comment
  CAS-BOT-BC242273  Potamogeton richardsonii Milo Samuel Baker 1899-8-24 s.n. Modoc Pit River, at Lookout. Comment
  UC1051443  Potamogeton striatus Herbert L. Mason 1955-8-14 14648 Modoc s. end Goose Lake Comment
  HSC18776  Potentilla biennis M. T. Milligan 1966-6-29 491 Modoc Slopes and ridges E of Jess Valley 1646 Comment
  JEPS44297  Potentilla biennis Milo S. Baker 1893-6-13 Modoc Lava Beds of Egg Lake Comment
  RSA233766  Potentilla biennis Robert F. Thorne 1969-9-5 39172 Modoc Modoc National Forest, Warner Mts, along Fall Creek below Falls. 1738 Comment
  JEPS120517  Potentilla breweri L. P. Janeway, B. Castro 2012-7-27 11023 Modoc Warner Mountains. North-sloping meadow opening just above Mineral Spring, 0.5 air km east of Yellow Mountain. Comment
  JEPS47227 Image available Potentilla breweri Frances D. Payne 1931-6-29 286 A Modoc s Mosquito Lake (e slope of Mt. Warren); Warner Mts., e slope of Mt. Warren 2133 Comment
  UC748060  Potentilla drummondii subsp. bruceae Annie M. Alexander and Louise Kellogg 1946-6-30 4872 Modoc Highgrade, w side of ridge n end of Warner Mountains 2377 Comment
  RSA281646  Potentilla fruticosa S. O. Mattoon 1979-7-20 97 Modoc Bidwell Peak SE of Dismal Swamp, 6 air-miles E of highway 395 at Newpine creek, Warner mountains. 2500 Comment
  RSA488577  Potentilla glandulosa var. nevadensis Bruce Bartholomew 1988-5-14 4202 Modoc Fletcher Creek on USFS 48N08 from Crowder Flats to Big Sage Reservoir 1480 Comment
  CAS-BOT-BC214774  Potentilla gracilis Bruce Bartholomew 1990-6-18 5387 Modoc Turner Creek at County Rd 90, N end of Big Valley, 6.4 km N of Lassen County border. 1230 Comment
  CAS-BOT-BC214791  Potentilla gracilis Annie Montague Alexander; L. Kellogg 1946-6-12 4732 Modoc Fort Bidwell. 1444 Comment
  HSC80693  Potentilla gracilis var. fastigiata G. M. Riegel 1979-8-13 661 Modoc S Warner Mtns. 1670 Comment
  UC545657  Potentilla gracilis var. fastigiata John Thomas Howell 1934-7-1 12303 Modoc Duncan Horse Camp Comment
  UC903242  Potentilla gracilis var. fastigiata Frances Payne 1931-6-17 182 Modoc Parker Creek Warner Mountains, Parker Creek 1584 Comment
  JEPS44223  Potentilla gracilis var. flabelliformis W. L. Jepson 1918-8-9 7911 Modoc Ft. Bidwell 1432 Comment
  JEPS44457  Potentilla gracilis var. flabelliformis Milo S. Baker 1893-7-2 Modoc Forestdale Comment
  CAS-BOT-BC143311  Potentilla newberryi John Thomas Howell 1934-7-2 12359 Modoc East side of Clear Lake Comment
  UC1191510  Potentilla newberryi Verne Grant, Irving Schneider 1947-8-27 8313 Modoc sw end Clear Lake; sw end of Clear Lake Comment
  RSA252486  Potentilla palustris Robert F. Thorne 1969-9-5 39162 Modoc Modoc National Forest, Warner Mountains, Clear Lake. 1768 Comment
  NY833594  Potentilla rivalis var. millegrana H. L. Mason 1947-8-9 13476 Modoc East side of Fairchild Swamp, north of Alturas Comment
  CAS-BOT-BC225035  Poteridium annuum D. Toren; Barbara Trowbridge 1975-6-20 5142 Modoc Jess Valley, East of Likely 1097 Comment
  CAS-BOT-BC179341  Prunella vulgaris Bruce Bartholomew; Barrett Anderson 1988-7-21 4602 Modoc Above Upper Rush Creek Campground ca. 4 km E of State Highway 299 between Adin and Canby. 1580 Comment
  CDA40759  Prunella vulgaris subsp. lanceolata G. D. Barbe, John Kelley 1988-7-2 4301 Modoc Modoc National Wildlife Refuge, southeast of Alturas. 0 Comment
  NY849283  Prunus emarginata B. M. Bartholomew 1988-7-23 4600 Modoc Pine Creek, 1 km east of U.S. Highway 395 on the road to Lily Lake, Warner Mountains 1550 Comment
  UC711818  Prunus emarginata Roxana S. Ferris and Laura Lorraine 1941-8-14 10597 Modoc 5 mi from Patterson Ranger Station (on road to Eagleville, Warner Mountains, Modoc National Forest); Warner Mountains, Modoc National Forest Comment
  UC12747  Prunus emarginata Milo S. Baker 1893-6 Modoc Comment
  CAS-BOT-BC214813  Prunus subcordata Elmer Ivan Applegate 1897-6-2 861 Modoc Near Likely, upper Pit River Watershed. 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
  OBI10041  Prunus subcordata H. E. McMinn 1931-5-23 2480 Modoc Warner Mts. Road from Alturas to Cedarville on W slope of Mt Comment
  RSA59642  Prunus subcordata E. K. Balls 1950-5-12 14651 Modoc N of Bucks Creek Ranger Station. Modoc National Forest. 1829 Comment
  UC1281130  Prunus subcordata H. E. McMinn 1931-5-23 2480 Modoc Warner Mountains Comment
  CAS-BOT-BC214812  Prunus subcordata R. M. Austin 1898-6-1 2343 Modoc Modoc County. Comment
  RSA749196  Prunus subcordata var. subcordata A. Townesmith, K. M. Meyer 2007-9-16 214 Modoc Modoc National Forest, going E on Hwy 299, 5.1 miles from the start of NF. Lower, Cedar Creek interpretive trail. 1622 Comment
  CAS-BOT-BC225012  Prunus virginiana var. demissa Annie Montague Alexander; L. Kellogg 1946-6-9 4706 Modoc Mouth of Eagle Creek Canyon, Warner Mts. Comment
  CAS-BOT-BC225013  Prunus virginiana var. demissa Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16400 Modoc Roadside above Thoms Creek, 6.1 mi. E of California State Highway 299, on Cedar Pass Rd. Comment
  CAS-BOT-BC225017  Prunus virginiana var. demissa Elmer Ivan Applegate 1932-8-5 8162 Modoc Cedar Pass, Warner Mts. Comment
  CHSC100391  Prunus virginiana var. demissa Lowell Ahart; John Dittes 2008-8-26 15338 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
  JEPS44917  Prunus virginiana var. demissa Belknap C. Goldsmith 1911-6-14 32 Modoc North Fork Davis Creek, w slope Warner Mountains North Fork Davis Creek; Warner Mountains, North Fork Davis Creek 1615 Comment
  RSA520372  Prunus virginiana var. demissa Bruce Bartholomew, B. Anderson 1989-6-1 4733 Modoc Shake Spring. NW side of Shaffer Mtn. 1500 Comment
  UC748224  Prunus virginiana var. demissa Annie M. Alexander and Louise Kellogg 1946-6-5 4659 Modoc 1 1/2 mi s of Eagleville (Emerson Creek); Warner Mountains, Emerson Creek 1783 Comment
  CAS-BOT-BC498651  Pseudognaphalium L. S. Smith 1924-7-1 1502 Modoc Modoc Forest, Round Mt. 1676 Comment
  UCD91503  Pseudoroegneria spicata Beecher Crampton; Carl Rimbey 1954-7-7 2148 Modoc Modoc County, 3 miles west of Cedarville, east side of Cedar Pass, Warner Mountains. Comment
  UC1024989  Pseudoroegneria spicata subsp. spicata Leo Whitney 1935-7-11 3455 Modoc 15 mi nw of Canby (Modoc National Forest, Hackamore); Modoc National Forest, Hackamore 1463 Comment
  CAS-BOT-BC497463  Pseudostellaria jamesiana B. Bartholomew 1993-6-12 6595 Modoc Above the road to Day Rock from Little Hot Spring Valley 1260 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
  CHSC30639  Pseudostellaria jamesiana NEH Prouty 1980-7-1 191 Modoc Modoc National Forest, Warner Mt. District. Bear Flat T. S. Throughout Pinus ponderosa and Abies concolor forest on western rim above Soup Creek drainage. 1889 Comment
  RSA27379  Pseudostellaria jamesiana C. L. Hitchcock 1940-5-27 6679 Modoc 15 miles northeast of Alturas. 1616 Comment
  NY1083719  Pseudostellaria jamesiana M. J. Williams 1984-6-28 84- 67 --3 Modoc 2 miles north of intersection between Soldier Creek and Old Cannon Mill roads. Warner Mountains, north of Cedar Pass 2057 Comment
  SJSU9131  Pseudostellaria jamesiana J. W. Tilden 1958-6-26 1285 Modoc near W side Cedar Pass between Cedarville & Alturas 1828 Comment
  UC8655  Pseudostellaria jamesiana Milo S. Baker 1893-6-26 Modoc Comment
  POM229881  Psilocarphus brevissimus L. C. Wheeler 1935-8-25 3920 Modoc Rim Rock Valley Reservoir, Devil's Garden 1524 Comment
  RSA323626  Psilocarphus brevissimus A. Tiehm 1984-7-30 8831 Modoc 8.9 road miles NE of Ft. Bidwell on the main road to Adel, just past the road summit. 1616 Comment
  UC190609  Psilocarphus brevissimus var. brevissimus M. F. Gilman 632 Modoc Comment
  CHSC107372  Psilocarphus tenellus var. tenellus Lowell Ahart; John Dittes 2011-6-22 17543 Modoc On the west side of the road, about 30 yards north of the Pilot Butte Parking Lot, north edge of Ash Creek Floodplain, 1.1 miles (air) south of County Road 87, 7.7 miles (air) west of Aden, 10 miles (air) east of Lookout, Big Valley. 1264 Comment
  UCD91882  Puccinellia lemmonii Beecher Crampton 1954-7-6 2084 Modoc Modoc County, 4 miles north of Likely, flat along US highway 395. Comment
  SEINET3157320  Purshia tridentata E. K. Balls 1950-5-21 14822 Modoc S Fork Public Camp, S Fork Pit River 1478 Comment
  UCD35723  Purshia tridentata Beecher Crampton 1960-6-17 5681 Modoc 5 miles south of Perez, Plant Quarantine Station area. 1371 Comment
  CAS-BOT-BC218228  Purshia tridentata var. tridentata John Thomas Howell 1934-6-12 12041 Modoc N side of Fandango Valley. Comment
  HSC80764  Pyrola aphylla G. M. Riegel 1979-8-27 723 Modoc S Warner Mtns. 1670 Comment
  JEPS58805  Pyrola dentata Leland S. Smith 1918-8-3 1011 Modoc Modoc National Forest, Warner Mountains, Bear Flat 2286 Comment
  CAS-BOT-BC95689  Pyrola picta Milo Samuel Baker 1896-5-15 Modoc Forestdale. Comment
  CAS-BOT-BC95692  Pyrola picta Bruce Bartholomew 1994-8-22 6870 Modoc Squaw Peak Trail, E side of the Warner Mountains. 2350 Comment
  CAS-BOT-BC497311  Pyrola picta B. Bartholomew 1991-8-6 6078 Modoc Emerson Trail between Emerson Camp Ground and N. Emerson Lake, E side of Warner Mts. 1920 Comment
  RSA607262  Pyrrocoma hirta var. lanulosa L. C. Wheeler 1935-8-2 3745 Modoc Twelve-Mile Creek, Warner Mountains. 2195 Comment
  CAS-BOT-BC180126  Quercus garryana var. garryana Bruce Bartholomew; Barrett Anderson 1988-6-23 4261 Modoc 1.8 km WSW of Day on County Road 94. 1170 Comment
  CAS-BOT-BC50359  Raillardella argentea Annie Montague Alexander; L. Kellogg 1946-7-29 5092 Modoc Near summit of Eagle Peak. Divide top, Emerson Creek Canyon, Warner Mountains Comment
  UC190589  Raillardella argentea M. F. Gilman 640 Modoc Comment
  UC9361  Ranunculus alismifolius var. alismifolius Milo S. Baker 1893-6-18 Modoc Comment
  CAS-BOT-BC217267  Ranunculus aquatilis var. aquatilis Bruce Bartholomew 1994-5-29 6736 Modoc Curtis Water Hole, NW of Egg Lake. 1280 Comment
  JEPS60659  Ranunculus aquatilis var. capillaceus Frances D. Payne 1929-7-26 124 Modoc 2 mi sw Warren Mt. (se Modoc Co., pond outlet); Pine Creek Basin 2133 Comment
  RSA399371  Ranunculus aquatilis var. capillaceus George Willet 1935-6-12 s.n. Modoc [Unspecified] Comment
  NY493019  Ranunculus aquatilis var. diffusus H. L. Mason 1947-7-11 13370 Modoc Irrigation ditch by Jones' Lane, off Highway 395, south of Alturas Comment
  UCD95864  Ranunculus aquatilis var. diffusus Robbins; Raynor 1943-6-1 s.n. Modoc Corporation Ranch near Likely. Comment
  POM261552  Ranunculus aquatilis var. hispidulus J. T. Howell 1940-6-14 8219 Modoc 8 mles NW of Canby Comment
  CAS-BOT-BC217226  Ranunculus cymbalaria Elmer Ivan Applegate 1897-6-1 870 Modoc Black Canyon above Canby. Comment
  CHSC112764  Ranunculus cymbalaria Lowell Ahart; John Dittes 2013-7-24 18938 Modoc South margin of Ash Creek Canal, south of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. 1268 Comment
  CHSC115555  Ranunculus cymbalaria Lowell Ahart; John Dittes 2015-7-16 20377 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
  UC634961  Ranunculus cymbalaria var. saximontanus F. H. Frost 1925-7-11 9 Modoc 2 mi above Cedarville; Warner Mts., Cedar Canyon Comment
  CAS-BOT-BC217237  Ranunculus eschscholtzii var. oxynotus Elmer Ivan Applegate 1932-8-1 8047 Modoc Arid, rocky E slope of Warren Peak, Warner Mts. Comment
  UCR87507  Ranunculus glaberrimus George K. Helmkamp, E. A. Helmkamp 1993-5-4 s.n. Modoc 25.6 miles NW of Canby along Calif. Hwy 139 1280 Comment
  JEPS3950  Ranunculus glaberrimus N. T. Mirov 1929-5-14 Modoc e Goose Lake (on road to Fandango Valley); Warner Mountains, Buck Creek Comment
  JEPS55077  Ranunculus glaberrimus Leland S. Smith 1918-3-21 915 Modoc near Alturas; Juniper Flats 1371 Comment
  CAS-BOT-BC217248  Ranunculus glaberrimus var. glaberrimus Fred D. Douthitt 1916-8-20 2 Modoc Flournoy Swale. 1828 Comment
  CAS-BOT-BC217219  Ranunculus occidentalis Bruce Bartholomew; M; M. Gilbert; L. E. Skog 1993-5-11 6493 Modoc Junction of Crowder Flat Road and the road to the N side of Big Sage Reservoir. 1580 Comment
  RSA59860  Ranunculus occidentalis var. eisenii E. K. Balls 1950-5-11 14616 Modoc 8 miles N of Lake City, W side of Upper Lake. 1402 Comment
  CHSC118068  Ranunculus occidentalis var. occidentalis L. P. Janeway 2016-5-16 12005 Modoc Modoc Plateau. Devils Garden area; juntion of Road 46N02 at Road 47N09/73/181; 2.0 air-km east of Green Spring Reservoir. 1585 Comment
  CAS-BOT-BC217215  Ranunculus occidentalis var. ultramontanus Roxana Stinchfield Ferris; R. Duthie 1919-6-13 48 Modoc Parker Creek near Modoc Nat. Forest Boundary. Comment
  UC72750  Ranunculus orthorhynchus var. orthorhynchus Milo S. Baker Modoc Forestdale Comment
  CHSC117241  Ranunculus sardous Lowell Ahart; John Dittes 2016-7-16 21256 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
  CAS-BOT-BC217190  Ranunculus sceleratus Bruce Bartholomew 1990-6-17 5332 Modoc Surprise Valley, at the W side of Middle Alkali Lake, directly E of Cedarville. 1370 Comment
  JEPS55164  Ranunculus sceleratus Mary H. Manning 1903-5-8 126 Modoc Comment
  CAS-BOT-BC217158  Ranunculus uncinatus Bruce Bartholomew 1995-7-31 7115 Modoc Upper reaches of Sassen Creek, W side of the Warner Mountains. 1900 Comment
  NY495029  Ranunculus uncinatus M. J. Williams 1984-6-30 8479- 3 Modoc 5.7 miles west of Cedarville-Gerlach road on Granger Canyon road. Warner Mountains. 1859.3 Comment
  UC485337  Ranunculus uncinatus Mrs. M. H. Manning 1905-6-12 712 Modoc Warner Range; ne Modoc Co. 1524 Comment
  SEINET2029156 Image available Rhododendron columbianum L. C. Wheeler 1935-8-4 3777 Modoc Warner Mountains, Pine Creek 2210 Comment
  CAS-BOT-BC21489  Rhus aromatica Bruce Bartholomew 1989-8-10 5026 Modoc Little Hot Spring Valley, 1.6 km NW of Day. 1070 Comment
  UC1191523  Ribes aureum Verne Grant, Irving Schneider 1947-7-22 8157 Modoc 1 mi nw Highway 395 (on road leading to s end of Goose Lake, meadow at headwaters of river); North Fork of Pit River Comment
  POM92339  Ribes aureum Mrs. R. M. Austin 1895-05 s.n. Modoc Davis Creek, Goose Lake. Comment
  CAS-BOT-BC225875  Ribes cereum Harry Dwight Dillon Ripley 1944-6-2 6036 Modoc Pine Creek, Warner Mts. 1584 Comment
  CAS-BOT-BC225886  Ribes cereum Bruce Bartholomew; Barrett Anderson 1988-6-24 4297 Modoc Road beyond Poison Lake ca. 8 km S of the road from U.S. Highway 395 to Lily Lake, Warner Mts.. 2130 Comment
  CAS-BOT-BC225892  Ribes cereum Bruce Bartholomew; Barrett Anderson 1988-5-14 4199 Modoc Pease Cabin, 0.8 km E of Fletcher Creek on USFS road 47N09 between Goose Lake and Crowder Flats. 1550 Comment
  JEPS49422  Ribes cereum W. L. Jepson 1918-8-7 7876 Modoc at very summit Mt. Bidwell 2507 Comment
  NY454992  Ribes cereum B. M. Bartholomew 1989-4-29 4685 Modoc Surprise Valley Road, just south of the Oregon border, extreme northeast corner of Modoc County 1630 Comment
  RSA488576  Ribes cereum Bruce Bartholomew, B. Anderson 1988-5-14 4199 Modoc Pease Cabin, 0.8 km E of Fletcher Creek on USFS road 47N09 between Goose Lake and Crowder Flats. 1550 Comment
  SBBG27517  Ribes cereum C. L. Hitchcock 1940-5-27 6695 Modoc 15 mi NE of Alturas 1615 Comment
  UC1281034  Ribes cereum H. E. McMinn 1931-5-23 2463 Modoc Cedarville Road Warner Mts. 1889 Comment
  UC858418  Ribes cereum C. L. Hitchcock 1940-5-27 6695 Modoc 15 mi ne Alturas 1615 Comment
  CAS-BOT-BC225897  Ribes inerme Elmer Ivan Applegate 1932-8-2 8093 Modoc Mill Creek Meadow, Warner Mts. Comment
  SBBG2771  Ribes malvaceum H. and M. Dearing 1939-6-8 3608 Modoc Lily Lake, Warner Mtns Comment
  JEPS43509  Ribes montigenum Frances D. Payne 1929-7-7 49 Modoc 2 mi sw Mt. Warren; Warner Mts., Pine Creek Basin 2133 Comment
  SEINET195470 Image available Ribes montigenum Annie M. Alexander, L Kellogg 1946-6-25 4822 Modoc North end of the Warner Mountains Dismal Swamp 2256 Comment
  SEINET5339715  Ribes montigenum M. J. Williams 1984-6-29 84- 71 -2 Modoc Lily Lake, west side of the Warner Mountains 2073 Comment
  CAS-BOT-BC225909  Ribes roezlii var. roezlii Bruce Bartholomew 1994-5-27 6702 Modoc SW side of White Horse Reservoir. 1330 Comment
  CAS-BOT-BC225927  Ribes velutinum Alice Eastwood; John Thomas Howell 1940-6-12 8061 Modoc Between Likely and Jess Valley. Comment
  OBI48065  Ribes velutinum Rhonda Riggins 1989-4-28 1666 Modoc Pencil rd, 4.4 mi N of hwy 395 E of Alturas 1524 Comment
  CAS-BOT-BC225936  Ribes viscosissimum Bruce Bartholomew; Barrett Anderson 1988-6-24 4298 Modoc Road beyond Poison Lake ca. 8 km S of the road from U.S. Highway 395 to Lily Lake, Warner Mts.. 2130 Comment
  CAS-BOT-BC225950  Ribes viscosissimum Bruce Bartholomew 1990-6-15 5234 Modoc Flat between Deer Spring Ridge and Sweagert Flat. 1900 Comment
  HSC29862  Ribes viscosissimum D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19439 Modoc Upper Rush Creek Campground, about 8 mi. N of Adin on Hwy. 299 Comment
  NY455561  Ribes viscosissimum K. Paulson 1989-6-21 145 Modoc Pine Creek Basin, west side of the Warner Mountains 2109.2 Comment
  CAS-BOT-BC50375  Rigiopappus leptocladus Bruce Bartholomew; Barrett Anderson 1989-6-1 4746 Modoc ca. 0.5 km S of State Hwy 299 on road to Shaker Spring. 1420 Comment
  CAS-BOT-BC50369  Rigiopappus leptocladus Fred. P. Cronemiller 1920-6-15 10 Modoc McKenzie Spring. 1341 Comment
  JEPS53829  Rorippa W. L. Jepson 1918-8-12 7956 Modoc Jess Valley 1584 Comment
  JEPS53835  Rorippa W. L. Jepson 1918-8-7 7902 Modoc North Fork Bidwell Creek Mt. Bidwell, North Fork Bidwell Creek 1828 Comment
  CHSC100463  Rorippa austriaca Lowell Ahart; John Dittes 2008-8-25 15274 Modoc On the banks of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout. 1273 Comment
  CDA20130  Rorippa austriaca C. Pirosko 2002-6-14 PDR P 120230 Modoc Modoc Plateau; Jones Lake. 0 Comment
  UCD115244  Rorippa austriaca Robbins; Raynor 1943-6-1 s.n. Modoc Corporation Ranch in Likely. Comment
  CAS-BOT-BC58413  Rorippa curvisiliqua John Thomas Howell 1934-6-30 12296 Modoc Duncan Horse Camp. 1355 Comment
  CAS-BOT-BC58416  Rorippa curvisiliqua Bruce Bartholomew; Barrett Anderson 1989-6-2 4789 Modoc Long Canyon, 12 km NE of Fort Bidwell on the road to the Oregon border. 1550 Comment
  CAS-BOT-BC58421  Rorippa curvisiliqua Robert Folger Thorne; C. W. Tilforth 1969-9-5 39170 Modoc Margins of Clear Lake, Warner Mts. 1767 Comment
  UC1601428  Rorippa curvisiliqua Franklin P. Nutting Modoc Little Hot Spring Valley Comment
  JEPS117375  Rorippa curvisiliqua var. orientalis Lowell Ahart, John Dittes 2010-8-30 17074 Modoc About 10 yards west of the fence, 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
  JEPS127165  Rorippa curvisiliqua var. orientalis Lowell Ahart, John Dittes 2016-7-14 21163 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
  CAS-BOT-BC95040  Rorippa sinuata Annie Montague Alexander; L. Kellogg 1946-6-20 4811 Modoc Eagleville. 1440 Comment
  HSC19613  Rosa woodsii subsp. ultramontana M. T. Milligan 1964-7-1 103 Modoc Rattlesnake Butte Rd. at Pit River. 1372 Comment
  HSC59871  Rosa woodsii subsp. ultramontana J. P. Smith, J. O. Sawyer 1973-8-9 7254 Modoc Blue Lake, Modoc National Forest. 1829 Comment
  RSA101385  Rosa woodsii subsp. ultramontana R. Weatherby 1955-7-8 1627 Modoc 5 miles north of Ft. Bidwell, no. Warner Mts. 1784 Comment
  RSA210881  Rosa woodsii subsp. ultramontana Robert F. Thorne, James Henrickson, C. W. Tilforth 1969-9-4 39086 Modoc N Fork of Pit River 3.4 mi N of Alturas where crossed by Highway 395. 1341 Comment
  CAS-BOT-BC218246  Rosa woodsii var. ultramontana Lindsay Stuart Smith 1920-6-15 25 Modoc Fillingim's 1371 Comment
  UC1191505  Rosa woodsii var. ultramontana Verne Grant and Irving Schneider 1947-7-18 8045 Modoc 5 mi n Bayley's Bridge (s of Alturas); Eastside Canal 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-BC211346  Rumex lacustris Edward Kent Balls 1950-5-13 14661 Modoc Goose Lake, E shore, about Willow Ranch. 1463 Comment
  CDA23187  Rumex occidentalis T. C. Fuller 1958-7-8 2031 Modoc 4 miles south of Pine Creek. 0 Comment
  CAS-BOT-BC211310  Rumex salicifolius Bruce Bartholomew; Barrett Anderson 1988-7-21 4605 Modoc Above Upper Rush Creek Campground ca. 4 km E of State Highway 299 between Adin and Canby. 1580 Comment
  UC1101221  Rumex salicifolius var. lacustris Herbert L. Mason 1947-8-9 13482 Modoc n of Alturas (e side of Fairchild Swamp); Fairchild Swamp Comment
  CDA23204  Rumex salicifolius var. transitorius T. C. Fuller 1958-7-8 2033 Modoc 4 miles south of Pine Creek. 0 Comment
  CAS-BOT-BC211321  Rumex triangulivalvis Annie Montague Alexander; L. Kellogg 1946-8-3 5113 Modoc Head of Eagle Creek, Warner Mts. Comment
  CHSC117496  Rumex triangulivalvis Lowell Ahart; John Dittes 2016-7-14 21193 Modoc West of a new pond, south of Ash Creek Canal (now filled in), south of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. 1273 Comment
  CAS-BOT-BC245204  Sagittaria cuneata Louis Cutter Wheeler 1935-8-5 3787 Modoc Little Lily Lake. 2286 Comment
  CHSC109501  Sagittaria cuneata L. P. Janeway; B. Castro 2012-7-26 11003 Modoc Warner Mountains. At Little Lily Lake, 2.4 air km north of Mt. Vida. 2258 Comment
  SEINET8466591 Image available Sagittaria cuneata R. F. Thorne, C. W. Tilforth 1969-9-4 39058 Modoc 2 mi W of Davis Creek (town), S of Goose Lake. 1341 Comment
  UC1024330  Sagittaria cuneata Annie M. Alexander and Louise Kellogg 1946-7-6 4915 Modoc East Eagleville Comment
  UC1536806  Sagittaria cuneata Gordon H. True Jr. 1939-7-21 1022 Modoc n of Canby Jack Swamp (Jack Swamp) Comment
  CHSC109636  Sagittaria latifolia Lowell Ahart; John Dittes 2012-7-11 18336 Modoc Vernal pool like areas on the bottom of a gravel pit, north edge of the meadow, about 1/8 mile east of the parking area on the east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adam, about 8 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  CAS-BOT-BC225114  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
  UC482334  Salix boothii Frances D. Payne 1931-7-7 335 Modoc 33 km. se of Alturas; Warner Mts., Pine Creek Basin 2280 Comment
  UC492373  Salix boothii Frances D. Payne 1932-7-21 728 b Modoc e Alturas (marsh s of Mosquito Lake); Warner Mts., e side Mt. Warren (Buck Mt.) Comment
  CAS-BOT-BC225757  Salix eastwoodiae Francis Dorris Payne 1931-6-25 275 Modoc Pine Creek Basin, Warner Mts., about 33 km SE of Alturas. 2280 Comment
  SD964  Salix eastwoodiae Frances D. Payne 1931-6-25 275 Modoc Pine Creek Basin, Warner Mountains, about 33 km southeast of Alturas, near spring along creek 2280 Comment
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Nov 9 2011
  SJSU238  Salix eastwoodiae F. D. Payne 1931-7-8 177 Modoc near spring N slope of flat along Cr Pine Cr Basin, Warner Mts, c. 33 km SE Alturas 2286 Comment
  UC433176  Salix eastwoodiae Belknap C. Goldsmith 1911-5-21 25 Modoc e shore Goose Lake; Modoc Forest Comment
  CHSC100434  Salix exigua Lowell Ahart; John Dittes 2008-8-25 15310 Modoc On the east bank of the Pit River (flood plain), about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout. 1273 Comment
  LA208612  Salix exigua Mrs. H. P. Bracelin; Miss Frances D. Payne 1931-6-30 488 Modoc Parker Creek, 20 km. E of Alturas; meadow S of Payne Ranch 1560.0 Comment
  NY187441  Salix exigua N. F. Bracelin 1931-6-30 501 Modoc Alturas 1360 Comment
  POM218955  Salix exigua H. P. Bracelin 1931-6-30 501 Modoc Alturas. SW end of town. 1360 Comment
  UC481950  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 house) 1560 Comment
  UC481956  Salix exigua Mrs. H. P. Bracelin and Miss Frances D. Payne 1931-6-30 494 Modoc 20 km. e Alturas (Parker Creek, meadow s of Payne Ranch) 1560 Comment
  CAS-BOT-BC229691  Salix lasiandra subsp. caudata Roxana Stinchfield Ferris; R. Duthie 1919-6-14 188 Modoc Parker Creek near Modoc Nat. Forest Boundary. Comment
  CAS-BOT-BC197562  Salix lasiandra var. lasiandra H. P. Bracelin; Francis Dorris Payne 1931-6-30 498 Modoc Parker Creek, 20 km E of Alturas. 1560 Comment
  RSA233778  Salix lasiolepis Robert F. Thorne, C. W. Tilforth 1969-9-5 39143 Modoc Along S Fork of Pit River above jct,. with West Creek at Public Campground. Ca 6 miles E of Likely. 1402 Comment
  UC481927  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-29 486 Modoc halfway between Adin and Canby 1350 Comment
  UC481933  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-29 487 Modoc halfway between Adin and Canby 1350 Comment
  POM220490  Salix lemmonii H. P. Bracelin, Frances D. Payne 1931-6-30 496 Modoc Parker Creek, 20 km E of Alturas. Meadow S of Payne Ranch. 1560 Comment
  UC433170  Salix lemmonii Milo S. Baker 1893-6-6 Modoc Big Valley Mts. Comment
  UC5258  Salix ligulifolia Milo S. Baker 1893-7-15 Modoc 1371 Comment
  RSA612589  Salix lucida subsp. lasiandra Louis C. Wheeler 1935-8-3 3772 Modoc Pine Creek, Warner Mts. 1555 Comment
  CHSC100505  Salix lutea Lowell 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-notheast of Lookout. 1273 Comment
  POM107279  Salix lutea R. M. Austin 1895-04 s.n. Modoc Goose Lake. Franklin Creek. Comment
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Mar 5 2011
  POM362841  Salix lutea H. P. Bracelin, Frances D. Payne 1931-6-30 499 Modoc Parker Creek, 20 km E of Alturas. Meadow S of Payne Ranch. 1560 Comment
  CAS-BOT-BC229850  Salix melanopsis H. P. Bracelin; Francis Dorris Payne 1931-6-30 491 Modoc Parker Creek, 20 km E of Alturas. 1560 Comment
  UC481845  Salix melanopsis Frances D. Payne 1931-6-11 140 Modoc Parker Creek Warner Mts., Parker Creek 1560 Comment
  CAS-BOT-BC229836  Salix scouleriana Belknap C. Goldsmith 1911-5-21 26 Modoc E shore of Goose Lake. Comment
  RSA610750  Salix scouleriana Louis C. Wheeler 1935-8-3 3759 Modoc Warner Mountains: Pine Creek. 1738 Comment
  CAS-BOT-BC95557  Salsola paulsenii Thomas C. Fuller 1964-10-8 12698 Modoc Levee road across S end of Goose Lake, ca. 5 mi. W of Davis Creek. Comment
  CAS-BOT-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
  CAS-BOT-BC179244  Salvia dorrii var. dorrii Kay Paulson; Richard Paulson 1989-6-21 150 Modoc Vicinity of Granger Creek, E side of the Warner Mts. Comment
  JEPS62711  Salvia dorrii var. incana L. S. Smith 1918-5-29 929 Modoc Soldier Creek; Warner Range, Modoc Forest 1524 Comment
  RSA165572  Salvia dorrii var. pilosa Clare B. Hardham 1961-6-17 7529 Modoc Lava flows between Alturas and Susanville 1524 Comment
  SEINET2149926  Sambucus racemosa var. melanocarpa K. T. Harper 1974-1 142 Modoc Pine Creek, west slope of Warner Mountains. 2226 Comment
  RSA202437  Sanguisorba annua Jack Major 1966-6-24 s.n. Modoc Above Goose Lake. W side of Fandango Pass. 1646 Comment
  UC21345  Sanicula graveolens M. S. Baker and Frank Nutting 1894-6-15 Modoc Big Valley Mountains Comment
  SJSU9686  Sanicula graveolens W. Savage 1979-7-24 1566 Modoc Long Meadow Unit, Devils Garden District, Modoc National Forest 1615 Comment
  CAS-BOT-BC95241  Saponaria officinalis Bruce Bartholomew 1989-8-10 5050 Modoc N side of Widow Valley, 10.1 km E of Day on County Road 94. Comment
  SD134008  Saponaria officinalis B. Bartholomew 1989-8-10 5050 Modoc North side of Widow Valley, 10.1 km east of Day on County Road 94. Comment
  UC1583998  Saxifraga integrifolia G. Schoolcraft 1990-6-7 2081 Modoc about 12 mi ne of Alturas (near Joseph Creek) 1615 Comment
  UC1583999  Saxifraga integrifolia G. Schoolcraft 1990-6-7 2083 Modoc about 12 mi ne of Alturas (near Joseph Creek) 1615 Comment
  NY784038  Saxifraga nidifica var. nidifica B. M. Bartholomew 1989-6-2 4776 Modoc Buck Creek, 1 cm [typo for km?] northeast of Fandango Pass Road, west side of the Warner Mountains 1660 Comment
  JEPS47636  Saxifraga oregana Mrs. M. H. Manning Modoc e side of Mount Bidwell ( Twelve Mile Creek, ne Modoc County); , Twelve Mile Creek Comment
  UCR34690  Saxifraga oregana J. A. Harpel 1981-8-6 V 36 Modoc Warner Mtns, South Warner Wilderness Area: E end of Patterson Lake, 7 mi NW of Eagleville 2744 Comment
  UC11860  Saxifraga oregana Milo S. Baker 1893-6 Modoc California Comment
  UCD126456  Schedonorus arundinaceus L. Whitney 1935-7-7 3389 Modoc Howard Gulch, 4 miles NW of Canby. Comment
  UC1100758  Schoenoplectus acutus var. occidentalis Verne Grant and Irving Schneider 1947-8-28 8342 Modoc Pit River about 2 mi downstream from Canby; Pit River, downstream from Canby Comment
  UCD143730  Schoenoplectus americanus Herbert L. Mason 1947-8-11 1349 Modoc on Highway 81, west margin of Lower Lake, near boundary between Lassen and Modoc counties. Comment
  CAS-BOT-BC245124  Scirpus microcarpus Verne Grant; I. Schneider 1947-7-20 8096 Modoc North Fork of Pit River by Dorris bridge, Alturas. Comment
  POM186204  Scirpus microcarpus Milo S. Baker s.n. Modoc [no location specified] 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
  CAS-BOT-BC252546  Scribneria bolanderi Alice Eastwood; John Thomas Howell 1940-6-15 8297 Modoc 5 mi. N of Lookout. Comment
  CAS-BOT-BC197837  Scrophularia lanceolata Bruce Bartholomew; Barrett Anderson 1989-6-3 4870 Modoc Boles Creek, ca. 5.5 km E of the SE corner of Clear Lake Reservoir. 1430 Comment
  RSA534558  Scrophularia lanceolata Bruce Bartholomew 1991-6-22 5834 Modoc E slope of S end of Warner Mtns, 3.4 km SW of County Road 1 on road to Patterson. 1620 Comment
  CAS-BOT-BC179235  Scutellaria antirrhinoides Belknap C. Goldsmith 1912-7-1 60 Modoc Little Hot Spring Valley. 1219 Comment
  RSA14138  Scutellaria nana Elmer I. Applegate 1897-6-2 890 Modoc Near Alturas. Comment
  UCR34756  Sedum rosea J. A. Harpel 1981-8-6 V 39 Modoc Warner Mtns, South Warner Wilderness Area: E end of Patterson Lake, 7 mi NW of Eagleville 2744 Comment
  CHSC113986  Sedum stenopetalum L. P. Janeway 2014-7-7 11450 Modoc Warner Mountains. North-facing slope along Road 46N25 along Mill Creek, 1.0 km from Bidwell Creek; 5.2 air-km northwest of Fort Bidwell. 1554 Comment
  UC1093641  Sedum stenopetalum Herbert L. Mason 1957-7-6 14719 a Modoc Mill Creek , Mill Creek (Warner Mountains) Comment
  CAS-BOT-BC95618  Sedum stenopetalum subsp. stenopetalum K. Paulson; Robert Paulson 1988-6-11 23 Modoc Parker Creek Road. 1524 Comment
  SD47967  Sedum stenopetalum subsp. stenopetalum Herbert L. Mason 1957-7-6 14719 a Modoc Mill Creek, Warner Mountains. Comment
  CAS-BOT-BC50334  Senecio aronicoides Bruce Bartholomew 1993-6-12 6584 Modoc Road to Day Rock from Little Hot Spring Valley. 1250 Comment
  CAS-BOT-BC50338  Senecio aronicoides Robert Patterson; Mona Bourell 1993-8-15 5269 Modoc Warner Mountains. Along trail from Patterson Lake to ca. 2 mi north towards Pepperdine Trailhead. 2743 Comment
  CAS-BOT-BC50341  Senecio aronicoides Bruce Bartholomew; Barrett Anderson 1988-6-24 4364 Modoc Vicinity of Patterson Campground, southern end of the Warner Mts.. 2190 Comment
  HSC81125  Senecio aronicoides G. M. Riegel 1980-6-25 769 Modoc South Warner Mtns. 2100 Comment
  UC75814  Senecio aronicoides Milo S. Baker 1893-1 Modoc Forestdale Comment
  UCR34707  Senecio fremontii J. A. Harpel 1981-8-6 V 29 Modoc Warner Mtns, South Warner Wilderness Area: E end of Patterson Lake, 7 mi NW of Eagleville 2744 Comment
  CHSC67086  Senecio hydrophiloides James D. Jokerst 1987-5-12 2840 Modoc Radar Survey Site S of Doublehead Mtn., N end of central sector. Comment
  CAS-BOT-BC50289  Senecio integerrimus var. exaltatus Bruce Bartholomew; Barrett Anderson 1988-5-14 4198 Modoc 0.8 km W of Goose Lake on USFS road 47N09 to Crowder Flats. 1430 Comment
  UC71604  Senecio integerrimus var. exaltatus Mrs. M. H. Manning 1903-1 117 Modoc Mt. Bidwell, ne Modoc County Mt. Bidwell 1402 Comment
  JEPS5944  Senecio integerrimus var. exaltatus Frances D. Payne 1931-6-29 298 Modoc e of Warren Peak; Warner Mountains, Owl Creek 2133 Comment
  CHSC67087  Senecio integerrimus var. major James D. Jokerst 1987-5-11 2821 Modoc Radar Survey Site S of Doublehead Mtn., S of Clear Lake Reservoir. 1363 Comment
  JEPS37280  Senecio serra var. serra F. H. Frost 1925-7-12 67 Modoc Stow's Meadow Warner Mountains, Cedar Canyon Comment
  CAS-BOT-BC95638  Shepherdia argentea Bruce Bartholomew; Barrett Anderson 1989-4-29 4702 Modoc Sand Creek, E side of Surprise Valley, ca. 10 km E of Cedarville. 1400 Comment
  JEPS117921  Shepherdia argentea L. P. Janeway 2008-8-16 9540 Modoc Surprise Valley Modoc Plateau (east side of Middle Alkali Lake, south side of Hwy 299 10.5 km east of Cedarville.) 1378 Comment
  CAS-BOT-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
  UC748066  Sibbaldia procumbens Annie M. Alexander and Louise Kellogg 1946-7-14 5069 Modoc Horse Mountain; Warner Mountains 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-BC179064  Sidalcea oregana subsp. oregana Elmer Ivan Applegate 1932-8-4 8150 Modoc N edge of Jess Valley. Comment
  CAS-BOT-BC179076  Sidalcea oregana subsp. oregana Alice Eastwood; John Thomas Howell 1940-6-13 8123 Modoc Dear Davis Creek. Comment
  CAS-BOT-BC179085  Sidalcea oregana subsp. oregana Bruce Bartholomew 1991-6-21 5829 Modoc W side of Goose Lake, 1.4 km N of junction with Forest Service road 73. 1450 Comment
  CAS-BOT-BC179089  Sidalcea oregana subsp. oregana Alice Eastwood; John Thomas Howell 1940-6-12 8068 Modoc Between Likely and Jess Valley. Comment
  UC1192273  Sidalcea oregana subsp. oregana Verne Grant, Irving Schneider 1947-7-22 8144 Modoc on Highway 395 about one mi n of junction with Cedarville Road (North Fork of Pit River); , n of jct w Cedarville Road Comment
  UC18853  Sidalcea oregana subsp. oregana Mrs. R. M. Austin and Bruce July 1898 2205 Modoc Goose Lake Valley Comment
  UC18927  Sidalcea oregana subsp. oregana Milo S. Baker 1893-7-10 Modoc Comment
  CAS-BOT-BC179052  Sidalcea oregana subsp. spicata Bruce Bartholomew; Barrett 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
  RSA666420  Sidalcea oregana subsp. spicata Barbara Ertter 1988-6-18 7612 Modoc West side of Highway 139 just south of where it crosses railroad at junction to Clear Lake, northeast of Dry Lake east of Lava Beds National Monument. 1250 Comment
  SD211635  Sidalcea oregana subsp. spicata Barbara Ertter 1988-6-18 7612 Modoc West side Highway 139 just South of where it crosses railroad at junction to Clear Lake, Northeast of Dry Lake East of Lava Beds National Monument, near dry drainages 1250 Comment
  NY446741  Silene douglasii F. M. Ownbey 1940-7-1 2154 Modoc Cedar Peak, Warner Mountains Comment
  POM101035  Silene douglasii Mrs. R. M. Austin 1895-08 423 Modoc Willow Creek (Devils Garden). Comment
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Nov 26 2011
  SEINET11944331  Silene douglasii M. Ownbey, Meyer, F. G. 1940-1 2154 Modoc Cedar Peak, Warner Mts Comment
  CAS-BOT-BC95259  Silene nuda Leland S. Smith 1922-8-1 1321 Modoc Dutch Flat field. 1371 Comment
  JEPS121196  Silene nuda Lowell Ahart, John Dittes 2013-7-25 18954 Modoc About 30 yards S 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
  SJSU9708  Silene nuda W. Savage 1979-7-10 1524 Modoc Bowles Meadow, Devils Garden District, Modoc National Forest 1493 Comment
  CAS-BOT-BC95275  Silene oregana Bruce Bartholomew 1989-7-15 5022 Modoc Manzanita Lookout, top of Manzanita Mountain. 2130 Comment
  RSA518561  Sisymbrium altissimum George K. Helmkamp 1990-9-23 I- 18 Modoc Drying mud flats beside Goose Lake, within 0.1 mile of the Oregon border 1372 Comment
  CHSC114920  Sisymbrium altissimum D. B. Joley 1976-6-23 1 Modoc Likely, near Alturas. Comment
  UC119653  Smilacina stellata Mrs. R. M. Austin July 1884 57 Modoc Davis Creek Comment
  NY821107  Solanum parishii B. M. Bartholomew 1988-6-23 4260 Modoc 1.8 km WSW of Day on County Road 94. Fall River Mills 15' Quad. 1170 Comment
  CHSC99932  Solanum physalifolium var. nitidibaccatum Lowell Ahart; John Dittes 2008-8-25 15297 Modoc On the east bank of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout. 1273 Comment
  JEPS117366  Solanum triflorum Lowell Ahart, John Dittes 2010-8-30 17083 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
  JEPS12114  Solanum triflorum Frank W. Peirson 1926-6-25 6878 Modoc Warner Mountains, Cedarville Road, 1 mi e of summit Cedarville Road; Warner Mountains, Cedarville Road Comment
  CAS-BOT-BC245427  Solanum triflorum John Thomas Howell 1934-7-1 12310 Modoc Duncan House Camp Comment
  CAS-BOT-BC245436  Solanum umbelliferum Bruce Bartholomew 1992-5-17 6346 Modoc SW side of White Horse Mountains, SW of White Horse Flat Reservoir. 1460 Comment
  UC71567 Image available Solidago lepida var. salebrosa Mrs. M. H. Manning Sept 1902 15 Modoc Comment
  POM312332  Solidago spectabilis H. L. Mason 1947-8-9 13459 Modoc Ingalls Swamp, north of Big Sage Reservoir, northwest of Alturas. Comment
  CAS-BOT-BC54282  Solidago velutina subsp. californica Elmer Ivan Applegate 1932-8-4 8151 Modoc N side of Jess Valley, Warner Mountains Comment
  JEPS114432  Solidago velutina subsp. californica Lowell Ahart, John Dittes 2008-8-26 15343 Modoc On the banks of Rose Creek, 250 feet southwest of the confluence of Rose Creek and Pit River, on the northwest side of unnamed road, 3,160 feet east of intersection with County Road 85a, 9.3 miles (air) north-northeast of Lookout 1276 Comment
  SBBG3121  Sorbus sitchensis H. and M. Dearing 1939-6-8 3638 Modoc Cave Lake, Warner Mtns Comment
  CAS-BOT-BC242256  Sparganium emersum Verne Grant; I. Schneider 1947-7-22 8137 Modoc North Fork of Pit River by State Quarantine Station. Comment
  CAS-BOT-BC242299  Sparganium eurycarpum subsp. eurycarpum Elmer Ivan Applegate 1929-7-29 6088 Modoc Clear Lake Dam. Comment
  CAS-BOT-BC15682  Sphenosciadium capitellatum Bruce Bartholomew 1989-8-12 5127 Modoc South Fork of Pine Creek where it crosses West Warner Road, W side of Warner Mountains. 1900 Comment
  JEPS920  Sphenosciadium capitellatum L. S. Smith 1918-7-15 998 Modoc Mill Cr. Corral , Mill Cr. Corral (Modoc Forest) Comment
  UC13092  Spiraea douglasii Milo S. Baker 1893-7-12 Modoc Comment
  RSA577897  Spiranthes romanzoffiana Louis C. Wheeler 1935-8-1 3735 Modoc Dismal Swamp, Twenty Mile Creek, Warner Mountains. 2226 Comment
  CAS-BOT-BC245023  Spirodela polyrhiza Ellsworth Bethel 1923-4-24 s.n. Modoc Adin. Comment
  RSA577794  Spirodela polyrhiza L. C. Wheeler 1935-8-6 3791 Modoc Pine Creek, Warner Mountains 1555 Comment
  UC1101244  Spirodela polyrhiza Verne Grant and Irving Schneider 1947-7-22 8132 Modoc n of Alturas (North Fork Pit River by confluence with Gleason Creek on Highway 395); North Fork Pit River Comment
  SEINET11587780  Stachys ajugoides Unknown 2016-8-16 1 -6 Modoc Lookout Comment
  CAS-BOT-BC179206  Stachys pilosa B. Bartholomew 1990-8-3 5619 Modoc Sour Creek, 2.3 km NE of West Warner Rd on road to Soup Spring, W side of Warner Mts. 1710 Comment
  CAS-BOT-BC179212  Stachys pilosa Annie Montague Alexander; L. Kellogg 1946-7-12 4984 Modoc Twelve Mile Creek, NE corner of county. Comment
  CAS-BOT-BC179213  Stachys pilosa B. Bartholomew 1989-8-13 5144 Modoc Hunter Spring, just W of Knox Flat. 1800 Comment
  UC1028657  Stellaria calycantha Robert J. Weatherby 1955-7-8 1618 Modoc 7 mi n Ft. Bidwell; Warner Mts. 1874 Comment
  SBBG54632  Stellaria longipes V. Grant, Irving Schneider 1947-8-24 8252 Modoc Jess Valley Comment
  SEINET5337329  Stellaria longipes M. H. Manning 144 Modoc Near Forb Bidwell Comment
  CAS-BOT-BC95289  Stellaria longipes var. longipes E. S. Willits 1940-5-17 264 Modoc Willow Ranch. Comment
  CAS-BOT-BC95292  Stellaria longipes var. longipes Bruce Bartholomew; Barrett Anderson 1990-7-21 5587 Modoc Homestead Flat, ca. 2.5 km E of Patterson Ranger Station, E side of Warner Mts. 2160 Comment
  RSA101365  Stellaria umbellata R. Weatherby 1955-7-8 1618 Modoc 7 miles north of Ft. Bidwell, northern Warner Mts. 1875 Comment
  CAS-BOT-BC54252  Stenotus acaulis Robert Patterson; Mona Bourell 1993-8-15 5255 Modoc Warner Mountains. Along trail from Patterson Lake to ca. 2 mi north towards Pepperdine Trailhead. 2743 Comment
  CAS-BOT-BC54299  Stenotus acaulis C. L. Hitchcock 1940-5-27 6668 Modoc 15 mi. NE of Alturas. 1615 Comment
  POM260354  Stenotus acaulis C. L. Hitchcock 1940-5-27 6668 Modoc 15 miles northeast of Alturas. 1616 Comment
  SEINET188113  Stenotus acaulis C. L. Hitchcock 1940-5-27 6668 Modoc 15 miles NE of Alturas 1615 Comment
  CAS-BOT-BC54262  Stenotus stenophyllus Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16377 Modoc Junction of Cedar Pass road and Hwy 299, 5.5 mi. N of Alturas Comment
  CHSC96340  Stephanomeria lactucina Richard R. Halse 2006-8-4 6998 Modoc Along Patterson Mill Road ca. 4 miles southwest of its junction with Surprise Valley Road, east side of the southern Warner Mountains; Modoc National Forest. 2097 Comment
  JEPS36864  Stephanomeria lactucina Milo S. Baker 1894-7-30 Modoc Silver Lake Comment
  CAS-BOT-BC54271  Stephanomeria spinosa Leland S. Smith 1922-7-12 1267 Modoc Canyon below Barber Field, 2 mi. S Menlo. 1676 Comment
  SJSU4317  Stipa lemmonii H. L. Buckalew 1961-7-2 Modoc near Stowe Reservoir, 1 mi N of Cedar Pass on the Alturas Cedarville Rd., Warner Mts 1920 Comment
  HSC80824  Stipa occidentalis var. occidentalis G. M. Riegel 1980-7-15 884 Modoc South Warner Mtns. 1829 Comment
  CAS-BOT-BC95054  Streptanthus cordatus var. cordatus Elmer Ivan Applegate 1932-8-5 8186 Modoc S slope of Cedar Mountain, Cedar Pass, Warner Mts. Comment
  CAS-BOT-BC95058  Streptanthus cordatus var. cordatus Leland S. Smith 1918-6-22 965 Modoc Pine Creek, Lily Lake. 1981 Comment
  CAS-BOT-BC95068  Streptanthus cordatus var. cordatus Elmer Ivan Applegate 1932-8-1 8016 Modoc Rocky crest of Warner Mts just S of Warren Peak. Comment
  CAS-BOT-BC242647  Stuckenia striata Herbert L. Mason 1947-8-15 13540 Modoc Mouth of Crane Creek on Willow Ranch, east side of Goose Lake Comment
  JEPS90830  Suaeda calceoliformis Dean W. Taylor 1989-8-4 10434 Modoc 2.5 mi e of Eagleville (between Middle Lake and Lower Lake, Modoc Plateau, Surprise Valley); Modoc Plateau, Surprise Valley 1341 Comment
  NY540342  Suaeda calceoliformis B. M. Bartholomew 1990-7-21 5560 Modoc West edge of Middle Alkali Lake, directly east of Cedarville, Surprise Valley 1370 Comment
  UC71802  Suaeda calceoliformis Mrs. M. H. Manning 1903-8-25 323 Modoc n end Alkaline Lake (ne Modoc County) Comment
  CAS-BOT-BC95578  Suaeda nigra Bruce Bartholomew 1989-8-11 5084 Modoc 4.8 km E of Eagleville, Surprise Valley, between Middle and Lower Alkali lakes. 1400 Comment
  JEPS46352  Swertia albicaulis var. albicaulis L. S. Smith 1918-1 Modoc 6-10 mi e Likely 1676 Comment
  CAS-BOT-BC180089  Swertia radiata A. D. Borden 1911-7-19 Modoc Top of ridge head of Soup Creek. Comment
  HSC81054  Swertia radiata G. M. Riegel 1979-7-27 596 Modoc South Warner Mtns. 1829 Comment
  UC1037210  Symphoricarpos mollis Leo Whitney 1934-5-28 1573 Modoc near Hackamore (Spaulding Butte, ca 15 mi nw of Canby); Modoc National Forest, Spaulding Butte 1463 Comment
  CAS-BOT-BC95184  Symphoricarpos rotundifolius var. rotundifolius Leland S. Smith 1924-6-23 1432 Modoc Lava bed west of Happy Camp. Comment
  CAS-BOT-BC95188  Symphoricarpos rotundifolius var. rotundifolius Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10537 Modoc Warner Mountains, Modoc National Forest, Patterson Ranger Station (East Creek drainage). 2164 Comment
  CAS-BOT-BC95193  Symphoricarpos rotundifolius var. rotundifolius Elmer Ivan Applegate 1932-7-9 7576 Modoc Warner Mountains, north slope of Bidwell Mountain 0 Comment
  CAS-BOT-BC95196  Symphoricarpos rotundifolius var. rotundifolius John H. Hatton 1911-6-20 123 Modoc Modoc County. 1524 Comment
  CAS-BOT-BC95201  Symphoricarpos rotundifolius var. rotundifolius Bruce Bartholomew 1989-7-15 5014 Modoc Manzanita Lookout, top of Manzanita Mountain. 2130 Comment
  HSC80925  Symphoricarpos rotundifolius var. rotundifolius G. M. Riegel 1978-6-28 34 Modoc S Warner Mtns. 1670 Comment
  JEPS12668  Symphoricarpos rotundifolius var. rotundifolius W. L. Jepson 1918-8-7 7859 Modoc Mt. Bidwell 2286 Comment
Read comments
Jun 18 2007
  UC619252  Symphoricarpos rotundifolius var. rotundifolius J. and H. W. Grinnell 1938-6-14 1102 Modoc above Goose Lake (slope of Sugar Hill); Sugar Hill 1524 Comment
  LA203052  Symphyotrichum ascendens M. S. Baker; August 1898 524 Modoc Forest Dale Comment
  JEPS22082  Symphyotrichum bracteolatum W. L. Jepson 1918-8-12 7950 Modoc Jess Valley 1584 Comment
  UCD136550  Symphyotrichum bracteolatum Robert F. Thorne; C. W. Tilforth 1969-9-4 39047 Modoc along north fork of Pit River, 11.8 miles north of Alturas along Highway 395. 1371 Comment
  HSC5053  Symphyotrichum foliaceum M. S. Baker 1898-1 Modoc Forestdale 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-BC15153  Symphyotrichum foliaceum var. parryi Leland S. Smith 1918-7-15 999 Modoc Mill Creek Corral. 2087 Comment
  CAS-BOT-BC15156  Symphyotrichum foliaceum var. parryi Louis Cutter Wheeler 1935-8-16 3875 Modoc Dismal Swamp, Warner Mountains 2225 Comment
  UC1192073  Symphyotrichum frondosum Verne Grant and Irving Schneider 1947-8-27 8234 Modoc southeast corner of Clear Lake Nigger Bend Spring Comment
  CAS-BOT-BC15170  Symphyotrichum spathulatum var. spathulatum Annie Montague Alexander; L. Kellogg 1946-7-17 5010 Modoc Benton Meadow, Warner Mountains 2072 Comment
  JEPS9933  Synthyris missurica L. S. Smith 1917-7-1 Modoc n slope Mt. Warren 2590 Comment
  POM261275  Synthyris missurica C. Leo Hitchcock 1940-5-27 6716 Modoc 15 miles NE of Alturas. 1982 Comment
  RSA339137  Taeniatherum caput-medusae Margaret J. Williams 1984-6-30 84- 75 -3 Modoc 27.4 miles north of Cedar Pass Road on highway 395. 1296 Comment
  UCD86103  Taeniatherum caput-medusae Beecher Crampton; with Carl W. Rimbey 1954-7-6 2089 Modoc Porter Ranch, 8 miles east of Alturas. Comment
  HSC6253  Taraxacum officinale M. T. Milligan 1965-6-23 287 Modoc N end Jess Valley 1616 Comment
  JEPS36860  Taraxacum officinale W. L. Jepson 1918-8-14 7983 Modoc Jess Valley 1584 Comment
  RSA185421  Taraxacum officinale Clare B. Hardham 1961-6-20 7883 Modoc Near Mt Bidwell. 2439 Comment
  UC70443  Taraxia subacaulis Milo S. Baker Modoc Forestdale Comment
  JEPS127308  Taraxia tanacetifolia Lowell Ahart, John Dittes 2016-7-14 21177 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
  UC1035975  Taraxia tanacetifolia Helen K. Sharsmith 1955-6-26 4508 B Modoc adjacent to Hwy 39 ca 20 mi n Canby; Modoc National Forest 1524 Comment
  CAS-BOT-BC217169  Thalictrum fendleri Bruce Bartholomew 1994-7-2 6796 Modoc Joseph Creek Basin, W side of the Warner Mountains. 1650 Comment
  UC748471  Thalictrum fendleri Annie M. Alexander and Louise Kellogg 1946-7-2 4895 Modoc Dismal Swamp north end of Warner Mountains 2255 Comment
  SEINET247878  Thelypodium howellii subsp. howellii Noel H. Holmgren, Patricia K. 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
  SEINET7419298  Thermopsis gracilis M. S. Baker 1893-1 s.n. Modoc Forestdale Comment
  CAS-BOT-BC95084  Thlaspi arvense Bruce Bartholomew; Barrett Anderson 1988-6-25 4380 Modoc SW side of Jess Valley, Warner Mts.. 1540 Comment
  CAS-BOT-BC95088  Thysanocarpus curvipes Francis Dorris Payne 1932-6-10 633 Modoc Parker Creek. 1584 Comment
  NY1083232  Tiquilia nuttallii B. M. Bartholomew 1989-6-2 4830 Modoc 6.4 km east of Eagleville on the road to the California state border, east side of Surprise Valley 1550 Comment
  CAS-BOT-BC54245  Townsendia scapigera Lemmon 1879-5-1 s.n. Modoc Modoc County. Comment
  CDA7715  Tragopogon dubius T. C. Fuller 1960-7-8 4716 Modoc South of 4th Street, east of East Street, Alturas. 0 Comment
  UCD107610  Trifolium beckwithii Z. Farmer 1948-7-1 s.n. Modoc Triangle Ranch, near Alturas. Comment
  CAS-BOT-BC181784  Trifolium cyathiferum Bruce Bartholomew 1990-6-17 5347 Modoc 4 km N of Buck Creek Ranger Station at turn off to Del Prat Spring, W side of Warner Mts. 1900 Comment
  UC71808  Trifolium cyathiferum Mrs. M. H. Manning 1904-7-7 465 Modoc near Fort Bidwell Comment
  UCD107922  Trifolium eriocephalum var. harneyense Collector Unknown 1949-6-1 s.n. Modoc Near Eagleville. Comment
  NY717075  Trifolium gymnocarpon var. plummerae B. M. Bartholomew 1993-5-10 6471 Modoc 1.6 km northeast of Fee Reservoir Road on Barrel Spring Road, north end of Surprise Valley 1600 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
  JEPS66043  Trifolium kingii var. productum Frances D. Payne 1929-7-7 58 Modoc 2 mi sw Mt. Warren (Pine Creek Basin); southeastern part of county 2133 Comment
  CAS-BOT-BC181744  Trifolium longipes Annie Montague Alexander; L. Kellogg 1946-6-26 4832 Modoc Dismal Swamp. 2255 Comment
  CAS-BOT-BC181751  Trifolium longipes Bruce Bartholomew; Mona Bourell 1990-4-27 5187 Modoc Near SW corner of Big Sage Reservoir, 13.5 km NW of Hwy 299 on Crowder Flat Rd. 1510 Comment
  CAS-BOT-BC181735  Trifolium macrocephalum Roxana Stinchfield Ferris; R. Duthie 1919-6-15 132 Modoc Hills above Parker Creek. Comment
  RSA0014359  Trifolium macrocephalum Joan Stewart 2005-6-6 2488 Modoc Stowe Reservoir, Warner Mountains. Comment
  SEINET7073580  Trifolium microcephalum A. G. Vestal 1955-5-18 s.n. Modoc About 3.2 miles east of Aden on Route 87. UTM Zone 10, 666674mE, 4563618mN. Coordinate datum: NAD27. Comment
  JEPS124385  Trifolium pratense Lowell Ahart, John Dittes 2015-7-16 20365 -B Modoc Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. Comment
  CAS-BOT-BC181758  Trifolium productum Leland S. Smith 1917-7-18 81 Modoc Soldier Creek. 1981 Comment
  CAS-BOT-BC181765  Trifolium productum Robert Patterson; Mona Bourell 1993-8-15 5273 Modoc South Warner Wilderness Area. Warner Mountains. Along trail from Patterson Lake to ca. 2 mi north towards Pepperdine Trailhead. 2743 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
  CAS-BOT-BC180167  Trifolium repens Bruce Bartholomew 1994-7-2 6774 Modoc N side of Joseph Creek, 5.6 km E of U.S. Hwy. 395 on Forest Service road 30. 1590 Comment
  CAS-BOT-BC180163  Trifolium variegatum Bruce Bartholomew; Barrett Anderson 1989-6-1 4727 Modoc Shake Spring, NW side of Shaffer Mountain. 1500 Comment
  JEPS66094  Trifolium wormskioldii L. S. Smith 1920-7-13 1183 Modoc Crowder Flat Ranger Station Comment
  UC555376  Trifolium wormskioldii F. H. Frost 1925-7-12 8 Modoc 2 mi above Cedarville (Cedar Canyon); Warner Mtns