Search Results — 2000 specimen records retrieved (1506 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
  HSC80921  Abies concolor G. M. Riegel 1979-8-1 729 Modoc S Warner Mtns. 1670 Comment
  UCSB16  Abies concolor Haller, John 1959-8-4 Modoc 0.5 mile west of the crest of the Warner Mtns., 3 miles east of Patterson Ranger Station and Campground on road between Blue Lake and Lower Alkali Lake 2286 Comment
  CAS-BOT-BC73548  Abies concolor Roxana S. Ferris; Rena P. Duthie 1919-6-14 118 Modoc Modoc National Fores, Warner Mts. 2286 Comment
  CAS-BOT-BC15637  Achillea millefolium Bruce Bartholomew; Barrett Anderson 1988-7-21 4432 Modoc Whipple Spring, E side of Whitehorse Flat Reservoir. 1340 Comment
  CHSC118303  Achillea millefolium L. P. Janeway 2016-5-18 12061 Modoc Modoc Plateau. Devils Garden area; junjction of Road 46N02 at Road 47N09/73/181; 2.0 air-km east of Green Spring Reservoir. 1585 Comment
  UCD50566  Achnatherum lemmonii L. Whitney 1935-7-7 3390 Modoc Howard Gulch, 4 miles NW of Canby. Comment
  UCD50572  Achnatherum lemmonii August L. Hormay 1932-7-16 s.n. Modoc Modoc National Forest, Crowder Ranger Station. Comment
  UC1024791  Achnatherum occidentale subsp. californicum Leo Whitney 1935-6-9 3210 b Modoc White Horse Comment
  UC1024941  Achnatherum occidentale subsp. occidentale Leo Whitney 1935-7-3 3331 Modoc 17 mi nw Canby (Badger Wells); Badger Wells Comment
  UC1024940  Achnatherum occidentale subsp. pubescens Leo Whitney 1935-7-3 3332 Modoc 17 mi nw Canby (Badger Wells); Badger Wells Comment
  UC1024991  Achnatherum occidentale subsp. pubescens Leo Whitney 1935-7-7 3397 Modoc 4 mi nw Canby (Howard Gulch); Howard Gulch Comment
  UC1037190  Achnatherum occidentale subsp. pubescens Leo Whitney 1935-7-23 3554 Modoc 15 mi w Canby (Happy Camp); Modoc National Forest 1463 Comment
  RSA17433  Achnatherum thurberianum Elmer I. Applegate 1932-8-3 8111 Modoc East branch of Mill Creek, near head. Comment
  UC1024924  Achnatherum thurberianum Leo Whitney 1935-6-30 3354 Modoc open flat near Hackamore (ca. 15 mi nw of Canby); Modoc National Forest 1463 Comment
  UCD51430  Achnatherum thurberianum Beecher Crampton 1962-5-7 - 26 Modoc 3 miels west of Cedarville. Comment
Read comments
May 12 2013
  SEINET5327502  Acmispon americanus var. americanus M. S. Baker 1893-1 s.n. Modoc West shore. Egg Lake Comment
  CAS-BOT-BC218307  Aconitum columbianum Leland S. Smith 1917-8-3 146 Modoc Davis Creek. 2133 Comment
  CAS-BOT-BC218309  Aconitum columbianum Bruce Bartholomew; Barrett Anderson 1990-7-20 5498 Modoc Tamarack Flat, E side of Warner Mts. 2150 Comment
  CAS-BOT-BC15641  Adenocaulon bicolor Bruce Bartholomew 1994-7-4 6854 Modoc Johnson Creek, E of State Hwy 299. 1620 Comment
  CAS-BOT-BC218328  Adonis aestivalis K. Paulson; Robert Paulson 1988-6-10 22 Modoc SW of Dorris Reservoir. 1341 Comment
  CAS-BOT-BC218322  Adonis aestivalis Leland S. Smith 1926-7-7 1514 Modoc Near Pit River Ranger Station. 1524 Comment
  CAS-BOT-BC179878  Agastache urticifolia K. Paulson; Robert Paulson 1989-7-2 166 Modoc Happy Camp Lookout. 1850 Comment
  JEPS62934  Agastache urticifolia Leland S. Smith 1918-8-11 1028 Modoc Lost Lake , , Camp one (Modoc National Forest) 2499 Comment
  CAS-BOT-BC179884  Agastache urticifolia Clare Butterworth Hardham 1961-6-18 7565 Modoc Dave Creek, Warner Mts. 2133 Comment
  CAS-BOT-BC15649  Ageratina occidentalis Bruce Bartholomew 1989-8-12 5108 Modoc S end of Coyote Creek, ca. 1.5 km SW of Sunflower Knob, S end of Warner Mountains. 2040 Comment
  CAS-BOT-BC15650  Ageratina occidentalis Annie Montague Alexander; L. Kellogg 1946-8-9 5146 Modoc Patterson Lake Trail, Warner Mts. Comment
  RSA531340  Ageratina occidentalis Bruce Bartholomew 1989-8-12 5108 Modoc S end of Coyote Creek, ca. 1.5 km SW of Sunflower Knob, S end of Warner Mountains 2040 Comment
  RSA606125  Ageratina occidentalis Louis C. Wheeler 1935-8-14 3839 Modoc Pine Creek. Warner Mtns. 2012 Comment
  SD46772  Agoseris glauca Robert J. Weatherby 1955-7-8 1617 Modoc 7 miles north of Ft. Bidwell, northern Warner Mountains. 1875 Comment
  RSA95000  Agoseris glauca var. dasycephala F. W. Peirson 1926-6-25 6884 Modoc Small side canyon 1 mile east of summit of Warner Mountains on Cedarville Road. Comment
  SEINET2029689 Image available Agoseris glauca var. laciniata C. L. Hitchcock 1940-5-27 6707 Modoc 15 miles northeast of Alturas 1676 Comment
  SJSU9672  Agoseris monticola W. Savage 1979-7-9 1520 Modoc Bowles Meadow, Devils Garden District, Modoc National Forest 1493 Comment
  CAS-BOT-BC126781  Agoseris parviflora John Thomas Howell 1934-6-14 12115 Modoc Near Lost Lake, Warner Mts. 2438 Comment
  CAS-BOT-BC242302  Agropyron cristatum Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16434 Modoc 4 mi. E of summit of Cedar Pass. Comment
  CAS-BOT-BC242308  Agropyron cristatum Bruce Bartholomew; Barrett Anderson 1990-7-20 5487 Modoc 10.3 km N of Buck Creek Ranger Station, crest of Warner Mountains W side of Warner Mts. 2130 Comment
  CHSC85179  Agropyron desertorum John Dittes; Josephine Guardino 1991-7-21 433 Modoc Modoc Plateau; Big Valley; Ash Creek Wildlife Area; ca. 5.7 air-miles northeast of Bieber, ca. 7.6 air-miles west of Adin, ca. 1.5 air-mile southeast of Pilot Butte summit; meadow at northern edge of Ash Creek Floodplain (Big Swamp) at southeast base of Pilot Butte. 1258 Comment
  JEPS114847  Agropyron desertorum Lowell Ahart, John Dittes 2008-6-21 15016 Modoc On the north side of the dirt road, uplands, in Big Valley, about 3.8 miles (air) northeast of the Headquarters at Ash Creek State Wildlife Area, about 6.5 miles (air) northeast of Bieber 1264 Comment
  UC1100110  Agrostis alba Verne Grant and Irving Schneider 1947-7-21 8131 Modoc by bridge on Highway 395 (n of Alturas); North Fork of Pit River Comment
  JEPS68386  Agrostis exarata L. S. Smith 1917-8-6 132 Modoc Benton Mdws. Warner Mts. Comment
  UC1024978  Agrostis pallens Leo Whitney 1935-7-6 3420 Modoc near Lookout; Pit River Comment
  UCD53122  Agrostis pallens Leo Whitney Date Unknown 2182 Modoc Hackamore, 15 miles norhtwest of Canby, Modoc National Forest. 1463 Comment
  SJSU9634  Agrostis stolonifera W. Savage 1979-7-7 1453 Modoc Triangle, west side of Fairchild Swamp Unit, Modoc National Forest 1493 Comment
  UCD53488  Agrostis stolonifera Hursh 1919-10-30 X 3319 Modoc Alturas. Comment
  CAS-BOT-BC242418  Agrostis variabilis Bruce Bartholomew; Barrett Anderson 1988-7-23 4587 Modoc Vicinity of Blue Bell Mine between Lily Lake and Dismal Swamp, Warner Mts.. 2170 Comment
  HSC80912  Agrostis variabilis G. M. Riegel 1980-8-5 988 Modoc S Warner Mountains 2100 Comment
  HSC65612  Alcea rosea Thomas Wood 1979-8-10 248 Modoc Corner of Bridge and Main St., Ft. Bidwell 1378 Comment
  POM313033  Alisma gramineum H. L. Mason 1955-8-13 14653 -B Modoc Southwest side of Goose Lake Comment
  UCD137905  Alisma gramineum Herbert L. Mason 1955-8-13 14651 A Modoc southwest side of Goose Lake. Comment
  UC985651  Alisma plantago-aquatica Herbert L. Mason 1947-8-12 13508 Modoc Alturas, junction of North and South Forks of Pit River Pit River Comment
  UC554  Alisma plantago-aquatica Mrs. C. C. Bruce Aug 1898 2232 Modoc Goose Lake Comment
  RSA210809  Alisma triviale Robert F. Thorne, J. Henrickson, C. W. Tilforth 1969-9-4 39088 Modoc N Fork of Pit River 3.4 mi N of Alturas where crossed by Highway 395. 1341 Comment
  SEINET8466399 Image available Alisma triviale R. F. Thorne, J. Hendrickson, C. W. Tilforth 1969-9-4 39088 Modoc N fork of Pit River, 3.4 mi N of Alturas where crossed by Hwy 395 1341 Comment
  CAS-BOT-BC245014  Allium acuminatum Isabelo T. Kelly 1930-1-1 14 Modoc Buck Creek. Comment
  CAS-BOT-BC245021  Allium acuminatum John Thomas Howell 1934-6-11 11956 Modoc Parker Creek. 1584 Comment
  HSC2917  Allium acuminatum M. T. Milligan 1965-6-27 379 Modoc N end Jess Valley 1616 Comment
  JEPS78241  Allium acuminatum L. R. Heckard with T. I. Chuang and R. C. Bacigalupi 1978-7-19 4887 Modoc Cedar Pass Warner Mts., Cedar Pass 1920 Comment
  RSA17438  Allium acuminatum Elmer I. Applegate 1929-6-24 5887 Modoc Between Aden and Canby, Pit River region. Comment
  RSA367055  Allium acuminatum George Willet 1935-6-25 s.n. Modoc Likely Mountains. 1982 Comment
  UCSB48716  Allium acuminatum Hardham, Clare 1961-6-18 Modoc East side of Cedar Pass, Warner Mtns Comment
Read comments
Jan 30 2008
  SEINET8111980  Allium acuminatum M. J. Williams 1984-1 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
  CAS-BOT-BC244997  Allium anceps James D. Jokerst 1983-5-31 1809 A Modoc Near Signal Butte. 1340 Comment
  JEPS114943  Allium lemmonii Lowell Ahart, John Dittes 2008-6-21 15013 Modoc South of a large pond, south of a large levee, in Big Valley, about 4.6 miles (air) northeast of the Headquarters at Ash Creek State Wildlife Area, about 7.6 miles (air) northeast of Bieber 1266 Comment
  JEPS47576  Allium lemmonii L. S. Smith 1929-6-19 1130 Modoc Patterson Hill Modoc Forest, Patterson Hill 2194 Comment
  CAS-BOT-BC244981  Allium parvum K. Paulson; Robert Paulson 1989-4-16 99 Modoc Crowder Flat Road, Devil's Garden. Comment
  CAS-BOT-BC244960  Allium platycaule G. D. Hanna; M. M. Hanna 1956-6-1 s.n. Modoc Cedar Pass. Comment
  CHSC30636  Allium platycaule N. E. H. Prouty 1980-6-2 176 Modoc Northern side of Dry Creek Basin Rd. Modoc Nat. Forest, Warner Mt. District. Comment
  SEINET188106  Allium platycaule C. L. Hitchcock 1940-5-27 6667 Modoc 15 miles nrotheast of Alturas. 1615 Comment
Read comments
Dec 2 2014
  UC593513  Allium platycaule E. B. Babcock, G. L. Stebbins Jr. 1936-6-9 1798 Modoc hill above Lake City 1515 Comment
  JEPS47623  Allium platycaule Mary H. Manning 1914-4-29 Modoc Lake City-road Lake City Comment
  SEINET256832  Allium platycaule Margaret J. Williams 1984-6-28 84- 69 -1 Modoc End of Soldier Creek road. 2073 Comment
  SEINET8191569  Allium platycaule M. J. Williams 1984-6-28 84- 69 -1 Modoc End of Soldier Creek Road. 2073 Comment
  UC725720  Allium platycaule A. A. Heller 1941-6-25 16207 Modoc Cedar Pass 1935 Comment
  UCD143204  Allium platycaule L. K. Mann 1955-6-5 s.n. Modoc Near Cedar Pass, 3 miles towards Alturas from Modoc National Forest. Comment
  CAS-BOT-BC244952  Allium tolmiei var. tolmiei Elmer Ivan Applegate 1932-7-9 7586 Modoc Bidwell Mountain. Comment
  CAS-BOT-BC244958  Allium tolmiei var. tolmiei E. S. Willits 1940-5-16 253 Modoc Willow Ranch. Comment
  CHSC30630  Alopecurus Sandra C. Morey 1980-4-26 75 Modoc Hwy. 299, ca. 0.1 mi. n of jctn. with Hwy 139 at Adin. In ditch along roadside. 1280 Comment
  SEINET201567  Alopecurus aequalis A. Cronquist, AH Holmgren 1959-6-29 8492 Modoc Clear Lake Warner Mtns 15 mi E of Likely 1829 Comment
  JEPS119963  Alopecurus aequalis var. aequalis Lowell Ahart, John Dittes 2012-7-10 18308 Modoc Ash Creek State Wildlife Area, about 3.2 miles (air) west of Adin, about 8.4 miles (air) northeast of Bieber, Big Valley. Comment
  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
  RSA739701  Alopecurus geniculatus John Dittes, Josephine Guardino 1991-7-21 430 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;, Northern edge of Ash Creek Floodplain (Big Swamp) at southeast base of Pilot Butte. 1259 Comment
  SJSU9640  Alopecurus geniculatus W. Savage 1979-7-7 1455 Modoc Triangle, west side of Fairchild Swamp unit, Devils Garden District, Modoc National Forest 1493 Comment
  CAS-BOT-BC498761  Alopecurus geniculatus L. S. Smith 1924-6-21 1423 Modoc Modoc Forest 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
  SEINET250497  Alyssum parviflorum var. micranthum Noel H. Holmgren, Patricia K. Holmgren 1998-5-30 12993 Modoc Surprise Valley, Fort Bidwell-Cedarville road, 1.8 km (1.1 mi) south of the Fandango Pass and 31.2 km (19.4 mi) north of downtown Cedarville. 1372 Comment
  CHSC118075  Alyssum simplex L. P. Janeway 2016-5-16 12000 Modoc Modoc Plateau. Devils Garden area; along Road 46N05A (Apple-gate Trail Southern Route) 0.3 km west of Road 46N02; 2.4 air-km east-southeast of Green Tank Reservoir and Green Spring Reservoir. 1569 Comment
  CDA34280  Amaranthus blitoides L. Ahart, J. Dittes 2010-8-31 17106 Modoc About 10 yards west of Elkins Lane, about 150 yards north of the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, and about 7.7 miles (air) northeast of Bieber, Big Valley. Comment
  UC1191390  Amaranthus californicus Herbert L. Mason 1947-8-8 13461 Modoc Southwest margin of Big Sage Reservoir, northwest of Alturas. Comment
  UC1191391  Amaranthus californicus Verne Grant, Irving Schneider 1947-7-10 13326 Modoc Dorris Reservoir, 2 miles east of Alturas. Comment
  RSA3394  Amelanchier pallida Carl B. Wolf 1931-9-5 2400 Modoc Roadside, on grade from Lake City-Fort Bidwell Road - to Davis Creek. (3 miles above east base) Warner Mtns. 1677 Comment
  RSA59866  Amelanchier pallida E. K. Balls 1950-5-11 14611 Modoc West of Middle Lake, between Eagleville and Cedarville. 1433 Comment
  CAS-BOT-BC214635  Amelanchier utahensis Edward Kent Balls 1950-5-20 14790 Modoc South Fork Public Camp, Likely to Clear Lake, South fork Pitt River. 1432 Comment
  CAS-BOT-BC214636  Amelanchier utahensis Elmer Ivan Applegate 1932-8-2 8074 Modoc Mill Creek Meadow, Warner Mts. Comment
  CAS-BOT-BC217085  Amelanchier utahensis Isabelo T. Kelly 1930-1-1 6 Modoc Fort Bidwell Comment
  NY849997  Amelanchier utahensis var. utahensis R. M. Austin 07 1898 2343 Modoc Mt. Bidwell 2438 Comment
  CAS-BOT-BC54153  Amsinckia menziesii Alice Eastwood; John Thomas Howell 1940-6-13 8161 Modoc Fort Bidwell. Comment
  CHSC117050  Amsinckia menziesii Lowell Ahart; John Dittes 2016-6-6 20942 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
  JEPS127306  Amsinckia menziesii Lowell Ahart, John Dittes 2016-7-14 21159 Modoc South of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin Big Valley. Comment
  SJSU9596  Amsinckia menziesii W. Savage 1979-7-5 1365 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  RSA0089940  Amsinckia menziesii Verne Grant, Irving Schneider 1947-7-18 8044 Modoc Eastside Canal, 5 miles north of Bayley s bridge, south of Alturas. Comment
  CAS-BOT-BC54166  Amsinckia tessellata var. tessellata John Thomas Howell 1934-6-16 12212 Modoc Parker Creek. 1584 Comment
  UC726760  Amsinckia tessellata var. tessellata A. A. Heller 1941-6-26 16216 Modoc 4 mi e Canby Comment
  CAS-BOT-BC218331  Anemone Francis Dorris Payne 1931-6-29 285 Modoc E side of Mt. Warren, Warner Mts. Comment
  CAS-BOT-BC15614  Antennaria argentea E. H. Steffen 1917-7-1 88 Modoc Granger Mill. 1676 Comment
  JEPS5979  Antennaria dimorpha Frances D. Payne 1932-6-26 603 Modoc s and e of, (high ridges n of Parker Creek) Alturas; Warner Mountains, Parker Creek 1828 Comment
  POM40357  Antennaria dimorpha Mrs. R. M. Austin 1895-07 s.n. Modoc Goose Lake Valley. Comment
  UC75820  Antennaria dimorpha Milo S. Baker Modoc near, (at Pine Woods) Egg Lake; Pine Woods Comment
  CAS-BOT-BC15586  Antennaria geyeri Leland S. Smith 1407 Modoc Happy Camp. 1371 Comment
  UC29492  Antennaria geyeri M. S. Baker and Frank Nutting 1894-1 Modoc Egg Lake Comment
  UCD128923  Antennaria geyeri Beecher Crampton 1960-6-17 5686 Modoc 5 miles south of Perez, Plant Quarantine Station area. 1371 Comment
  HSC37943  Antennaria geyeri M. T. Milligan 1966-6-19 468 Modoc Plateau W of Jess Valley 1829 Comment
  RSA416691  Antennaria luzuloides Christopher Davidson 1973-5-26 2128 Modoc 4 miles W of Canby on Hwy 299. 1341 Comment
  RSA152441  Antennaria luzuloides I. L. Wiggins, Dorothy Wiggins 1961-6-12 16426 Modoc Moderate slope near summit of Cedar Pass, between Alturas and Cedarville 1921 Comment
  CHSC85132  Antennaria luzuloides subsp. aberrans John Dittes; Josephine Guardino 1991-6-1 371 Modoc Modoc Plateau; Big Valley; Ash Creek Wildlife Area; ca. 5.7 air-miles northeast of Bieber, ca. 7.6 air-miles west of Adin, ca. 1.5 air-mile southeast of Pilot Butte summit; at northern edge of Ash Creek Floodplain (Big Swamp) at southeast base of Pilot Butte. 1258 Comment
  RSA26467  Antennaria luzuloides subsp. aberrans Alice Eastwood, J. T. Howell 1940-6-11 8010 Modoc 6 miles NE of Adin on road to Canby. Comment
  CHSC117048  Antennaria luzuloides subsp. luzuloides Lowell Ahart; John Dittes 2016-6-6 20949 Modoc About 40 yards west of the dirt road, about 50 yards southwest of the intersection of County Road 87 and Access Road to Pilot Butte Parking Area, northeast base of Pilot Butte, 3.8 miles (air) east of Lookout, 7.5 miles (air) west of Adin, Ash Creek State Wildlife Area. 1271 Comment
  CHSC117819  Aphyllon purpureum L. P. Janeway 2016-5-18 12094 Modoc Modoc Plateau. Devils Garden area; along Road 48N28 .7 road-km east of Road 7/48N08/Crowder Flat Road; 3.9 air-km east of Weed Valley. 1627 Comment
  CAS-BOT-BC15689  Apocynum androsaemifolium Annie Montague Alexander; L. Kellogg 1946-7-3 4903 Modoc Bidwell Creek, near Fort Bidwell. Comment
  UC22898  Apocynum cannabinum Mrs. R. M. Austin and Bruce 1898-7-1 2336 Modoc Middle Lake Comment
  UC1125881  Aquilegia formosa R. C. Wilson 1933-7-6 57 Modoc n Roney Flat; Canby quad, Modoc National Forest 1432 Comment
  CAS-BOT-BC218343  Aquilegia formosa var. formosa Bruce Bartholomew; Barrett Anderson 1990-7-20 5499 Modoc Tamarack Flat, E side of Warner Mts. 2150 Comment
  UC1586876  Arabis Juha Pykala and D. H. Norris 1987-5-27 1044 Modoc between Lower and Upper Rush Creek Campgrounds; Modoc National Forest 1493 Comment
  HSC81060  Arabis divaricarpa G. M. Riegel 1980-8-9 1026 Modoc S Warner Mtns. 1670 Comment
  SEINET5340152  Arabis divaricarpa M. J. Williams 1984-6-30 84- 79 -2 Modoc 5.7 mi west of Alturas on Granger Canyon road. 1859 Comment
  HSC81080  Arabis holboellii var. retrofracta G. M. Riegel 1978-8-25 144 Modoc S Warner Mtns. 1670 Comment
  RSA271901  Arabis puberula Christopher Davidson 1975-6-4 2605 Modoc 2.2 miles east of Highway 395 on highway 299 towards Cedarville 1494 Comment
  JEPS53115  Arabis puberula Mrs. C. C. Bruce Jun 1898 2247 Modoc Goose Lake hills Goose Lake Comment
  SEINET3899867  Arabis puberula Reed C. Rollins, Kathryn W. Rollins 1981-6-1 81192 Modoc Warner Mountains, 3.3 miles west of Lake City.; 0 Comment
  POM95905  Arabis sparsiflora var. arcuata C. C. Bruce 1898-06 2247 Modoc Hills near Goose Lake. Comment
  NY119623  Arabis sparsiflora var. subvillosa R. C. Rollins 1981-6-1 81187 Modoc Near Cedar Pass, between Cedarville and Alturas Comment
  CAS-BOT-BC95649  Arctostaphylos nevadensis Belknap C. Goldsmith 1911-6-14 31 Modoc N Fork Davis Creek. 1920 Comment
  UC412765  Arctostaphylos nevadensis Belknap C. Goldsmith 1911-6-14 31 Modoc N. Fk. Davis Creek Modoc National Forest, Warner Mts. (w slope of mts.) Comment
  CAS-BOT-BC95650  Arctostaphylos patula Leland S. Smith 1925-7-1 1503 Modoc Happy Camp Mt. 1828 Comment
  POM77169  Arctostaphylos patula Mrs. R. M. Austin 1895-08 506 Modoc Willow Creek (Devils Garden). Comment
Read comments
Nov 26 2011
  JEPS51422  Arenaria aculeata L. S. Smith 1917-6-10 793 Modoc Jess Valley Comment
  RSA298161  Arenaria aculeata J. P. Smith, J. O. Sawyer 1973-8-8 7232 Modoc At or near the summit of Eagle Peak 2988 Comment
  UC748051  Arenaria aculeata Annie M. Alexander and Louise Kellogg 1946-6-27 4846 Modoc (top of ridge, two miles by road from Dismal Swamp) north end of Warner Mountains 2377 Comment
  CAS-BOT-BC242412  Aristida oligantha Louis Cutter Wheeler 1935-9-6 3959 Modoc Fletcher Creek. 1524 Comment
  CHSC115841  Arnica chamissonis Lowell Ahart; John Dittes 2015-7-17 20404 Modoc About 50 yards north of Ash Creek, Ash Creek State Wildlife Area, about 3/4 mile south of County road B7, about 2.7 miles (air) west of Adin, about 9.1 miles (air) northeast of Bieber. 1279 Comment
  UC468971  Arnica chamissonis W. P. Taylor and H. C. Bryant 1910-7-13 Modoc North Fork Parker Creek (head) Warner Mountains, North Fork Parker Creek 2225 Comment
  JEPS5916  Arnica chamissonis Frances D. Payne 1933-7-2 Modoc s and e of Alturas; Warner Mountains, Parker Creek Comment
  CAS-BOT-BC15570  Arnica chamissonis subsp. foliosa Bruce Bartholomew; Barrett Anderson 1990-7-21 5581 Modoc Homestead Flat, ca. 2.5 km E of Patterson Ranger Station, E side of Warner Mts. 2160 Comment
  CAS-BOT-BC15417  Arnica cordifolia Mrs. H. C. Cantelow 1940-6-1 s.n. Modoc Cedar Pass, Warner Mtns. at the summit. E. of Alturas Comment
  HSC12533  Arnica cordifolia M. S. Baker 1893-1 Modoc Forestdale Comment
  POM260005  Arnica cordifolia C. L. Hitchcock 1940-5-27 6702 Modoc 15 miles NE of Alturas. 1677 Comment
  JEPS6004  Arnica fulgens Frances D. Payne 1932-6-26 606 Modoc s and e of, high ridges n of Parker Creek Alturas; Parker Creek, Warner Mountains 1828 Comment
  CAS-BOT-BC15283  Arnica longifolia Leland S. Smith 1918-8-28 1055 Modoc Patterson Lake and Owl Creek. 2438 Comment
  UC936275  Arnica longifolia Annie M. Alexander and Louise Kellogg 1946-8-3 5100 Modoc head of Eagle Creek Warner Mountains, Eagle Creek Comment
  CAS-BOT-BC15291  Arnica mollis R. M. Austin 1898-7-1 2183 Modoc Head Davis Creek. Comment
  JEPS120543  Arnica mollis B. Castro and L. P. Janeway 2012-7-27 1976 Modoc Warner Mountains. At upper (SE) edge of Mineral Spring, 0.3 air mi east of Yellow Mountain. Comment
  SEINET6775094 Image available Arnica mollis D. A. Charlet 1989-8-14 476 Modoc Warner Mountains, 1.4 km northwest of Eagle Peak, at spring 2550 Comment
  UC29591  Arnica mollis Mrs. R. M. Austin and Bruce 1898-7-1 2183 Modoc head of Davis Creek Comment
  CDA1731  Arrhenatherum elatius Loring White 1953-7-2 s.n. Modoc Tom Briles orchard, Davis Creek, Alturas. 0 Comment
  SEINET229955  Artemisia arbuscula Leila M. Shultz, John S. Shultz 1985-6-23 8593 Modoc California, Modoc County. Modoc Plateau at the western extension of the Great Basin, between Beeler and Duncan reservoirs north of Canby, near highway 139. 1310 Comment
  CHSC112367  Artemisia arbuscula subsp. arbuscula L. P. Janeway; B. Castro 2014-6-2 11286 Modoc Great Basin. Along County Road 5 1.0 km west of the southwest corner of Cow Head Lake. 1627 Comment
  HSC81046  Artemisia arbuscula subsp. arbuscula G. M. Riegel 1980-7-23 928 Modoc S Warner Mtns. 1739 Comment
  SEINET3396706  Artemisia arbuscula subsp. longicaulis S. C. McArthur, E. D. McArthur 1986-1 1558 Modoc 2.6 mi S of California line & 15 mi N of Ft. Bidwell Comment
  UC1242647  Artemisia cana subsp. bolanderi A. A. Beetle 1957-8-16 12764 Modoc 15 mi s Alturas Comment
  CAS-BOT-BC15258  Artemisia ludoviciana subsp. incompta Alice Eastwood; John Thomas Howell 1940-6-13 8171 Modoc Cedarville. Comment
  UC912560  Artemisia ludoviciana subsp. incompta F. H. Frost Modoc 2 mi above Cedarville (Cedar Camp); Warner Mountains Comment
  CAS-BOT-BC15272  Artemisia ludoviciana subsp. ludoviciana Leland S. Smith 1917-7-24 117 Modoc Joseph Creek camp. 2072 Comment
  CAS-BOT-BC15274  Artemisia ludoviciana subsp. ludoviciana R. M. Austin 1898-7-1 2175 Modoc Goose Lake. Comment
  HSC65590  Artemisia ludoviciana subsp. ludoviciana Thomas Wood 1979-8-9 238 Modoc Dirt Road along Bidwell Creek, 2.8 mi. NW of junction with Co. Hwy. 2 N of Fort Bidwell 1509 Comment
  RSA607281  Artemisia ludoviciana subsp. ludoviciana L. C. Wheeler 1935-8-14 3849 Modoc Sunny lake shore above high water line Lily Lake, Pine Creek, Warner Mts. 2073 Comment
  UCR143213  Artemisia ludoviciana subsp. ludoviciana L. C. Wheeler 1935-8-14 3849 Modoc Warner Mtns., Lily Lake, Pine Creek 2073 Comment
  UC29669  Artemisia ludoviciana subsp. ludoviciana Mrs. R. M. Austin 1895-7-1 Modoc Davis Creek Comment
  CAS-BOT-BC15205  Artemisia tridentata subsp. tridentata Elmer Ivan Applegate 1932-8-1 8201 Modoc West side of Middle Lake, Surprise Valley Comment
  RSA518545  Artemisia tridentata subsp. tridentata George K. Helmkamp 1990-9-23 H- 4 Modoc US Hwy 395, 13 mi. N of Likely. 1341 Comment
  CHSC67337  Artemisia tridentata subsp. vaseyana James D. Jokerst 1986-9-18 2771 Modoc Radar Site Survey S of Doublehead Mtn., NE face of Timber Mtn. Comment
  CAS-BOT-BC15657  Asclepias cordifolia Bruce Bartholomew 1990-6-15 5218 Modoc SW side of of Hunters Ridge, 6.3 km SSE of Hwy 299 on road from Rush Creek. 1640 Comment
  JEPS49885  Asclepias fascicularis Frances D. Payne 1931-7-5 327 A Modoc about 3 mi n Parker Creek (Fern Spring Gulch, s and e of Alturas); Warner Mountains 1828 Comment
  JEPS49947  Asclepias fascicularis L. S. Smith 1918-8-13 1034 Modoc below Lost Lake; Modoc National Forest 1524 Comment
  CAS-BOT-BC15664  Asclepias speciosa Bruce Bartholomew 1994-7-4 6847 Modoc Hubert Creek. 1390 Comment
  RSA263865  Aster ascendens C. W. Tilforth, Dorothy Tilforth 1975-03 1150 Modoc C. 5 miles NW of Bishop, Hiway 395, along Owens River 2134 Comment
  CHSC106317  Aster frondosus Lowell Ahart; John Dittes 2010-8-31 17123 Modoc Edge of pond, about 400 yards west of Elkins Lane and the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  UCR67032  Aster frondosus George K. Helmkamp 1990-9-23 J- 16 Modoc Warner Mtns, Goose Lake, within 0.1 mi of the Oregon border 1476 Comment
  CAS-BOT-BC180155  Astragalus Leland S. Smith 1924-5-31 1351 Modoc Egg Lake Ranch S of house. Comment
  JEPS86084  Astragalus Wayne Roderick 1966-7-23 Modoc Warner Mountains 2133 Comment
  NY803533  Astragalus curvicarpus var. curvicarpus A. J. Cronquist 1959-6-21 8530 Modoc Sagebrush slopes on the east side of the Warner Mountains below Fandango Pass 1524 Comment
  CAS-BOT-BC218215  Astragalus curvicarpus var. curvicarpus Amos Arthur Heller 1938-6-24 15225 Modoc Roadside between Alturas and Canby. Comment
  NY803541  Astragalus curvicarpus var. curvicarpus L. S. Rose 1940-6-11 40513 Modoc Canby 1326 Comment
  CAS-BOT-BC182065  Astragalus filipes John Thomas Howell 1934-6-12 11986 Modoc Surprise Station. Comment
  CAS-BOT-BC182066  Astragalus filipes C. L. Hitchcock 1940-5-27 6650 Modoc 9 mi. NE of Alturas. 1402 Comment
  UC397283  Astragalus filipes W. P. Taylor and H. C. Bryant 1910-6-10 Modoc Alturas Warner Mountains, S Fork Pitt R, Alturas (S Fork Pitt R, Warner Mountains) 1402 Comment
  UC862720  Astragalus filipes C. L. Hitchcock 1940-5-27 6650 Modoc 9 mi ne Alturas; ne of Alturas 1402 Comment
  CDA26666  Astragalus filipes T. C. Fuller 1965-6-2 13593 Modoc South side of Highway 299 to Canby, 10.3 miles west of Alturas. 0 Comment
  JEPS54662  Astragalus filipes L. S. Smith 1918-1 Modoc Warner Mts. Comment
  CAS-BOT-BC182059  Astragalus inversus Leo David Whitney 1933-8-18 1936 Modoc Near Poison Lake. 1828 Comment
  CAS-BOT-BC182057  Astragalus lentiginosus var. lentiginosus R. M. Austin 1898-7-1 2210 Modoc Shore, Goose Lake. Comment
  NY676230  Astragalus malacus Mrs. M. H. Manning 05 1907 s.n. Modoc Warren Range Comment
  SJSU9576  Astragalus obscurus W. Savage 1979-7-3 1330 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  CAS-BOT-BC182030  Astragalus purshii M. M. Hanna 1956-6-5 964 Modoc Cedar Pass Road. Comment
  CAS-BOT-BC182034  Astragalus purshii Mrs. H. C. Cantelow 1940-6-2 3798 Modoc W of Alturas on road to Bad Lands Nat. For. Comment
  CAS-BOT-BC193032  Astragalus purshii var. tinctus Frances D. Payne 1932-6-10 424 Modoc Parker Creek 1584 Comment
  CAS-BOT-BC193033  Astragalus purshii var. tinctus Mrs. H. C. Cantelow 1949-6-11 14 Modoc About 8 miles north of Davis Creek, Hy 395. About 600 ft. above Goose Lake on slope 91 Comment
  UC1036002  Astragalus purshii var. tinctus Helen K. Sharsmith 1955-6-22 4483 Modoc just n Cedar Pass (on exposed, steep slope); Modoc National Forest, Warner Mountains 1889 Comment
  UC13455  Astragalus purshii var. tinctus Milo S. Baker Jun 5, 1893 - June 8, 1893 Modoc Egg L. Comment
  RSA59491  Astragalus whitneyi E. K. Balls 1950-5-18 14 .741 Modoc 1 mi. S.W. of Canby Bridge on Hwy. 299. 1341 Comment
  CAS-BOT-BC27735  Astragalus whitneyi var. confusus Harry Dwight Dillon Ripley; Rupert Charles Barneby 1944-5-31 5992 Modoc Mesa NW of Alturas 1371 Comment
  RSA504827  Astragalus whitneyi var. confusus Bruce Bartholomew, B. Anderson 1988-6-25 4375 Modoc SW side of Jess Valley, Warner Mountains. 1540 Comment
  RSA60323  Astragalus whitneyi var. confusus E. K. Balls 1950-5-10 15964 Modoc 0.5 mi. p ast fork of Hwy 395 and road from Alturas to Cedarville. 1585 Comment
  CAS-BOT-BC182013  Astragalus whitneyi var. lenophyllus Alice Eastwood; John Thomas Howell 1940-6-11 8011 Modoc 6 mi. NE of adin on road to Canby. Comment
  CAS-BOT-BC30207  Athyrium alpestre var. americanum Bruce Bartholomew 1992-8-8 6373 Modoc Vicinity of Patterson Lake, E side of Warner Mountains. 2750 Comment
  SEINET6627113  Athyrium distentifolium var. americanum D. A. Charlet 1989-8-18 565 Modoc Warner Mountains, 3.7 km north of Eagle Peak 2682 Comment
  CHSC106167  Atriplex patula var. obtusa Lowell Ahart; John Dittes 2010-8-31 17112 Modoc About 10 yards west of Elkins Lane, about 150 yards north of the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1274 Comment
  CAS-BOT-BC95509  Atriplex rosea Mary DeDecker 1974-10-28 3710 Modoc Just S of Alturas along Highway 395. Comment
  UCD97671  Atriplex rosea Herbert L. Mason 1947-8-9 13485 Modoc on east side of Fairchild Swamp, north of Alturas. Comment
  UCR64884  Atriplex rosea George K. Helmkamp 1990-9-23 H- 7 Modoc Warner Mtns, Goose Lake, within 0.1 mi of the Oregon border 1476 Comment
  JEPS90601  Atriplex truncata Dean Wm. Taylor and Glenn L. Clifton 1989-8-6 10496 Modoc Lower Lake Surprise Valley (w shore, marshes bordering outflow channels from small warm springs) 1363 Comment
  POM260881  Atriplex truncata Alice Eastwood, J. T. Howell 1940-6-12 8100 Modoc Midway between Likely and Alturas. Comment
  UC1101612  Azolla filiculoides Herbert L. Mason 1947-8-12 13503 Modoc juction of N and S forks of Pit River Altura Comment
  UC42327  Azolla filiculoides Mrs. R. M. Austin June, 1894 Modoc Cold Spring; Willow Creek Valley Comment
Read comments
Jul 6 2010
  CAS-BOT-BC218201  Balsamorhiza hookeri Lindsay Stuart Smith; E. H. Steffen 1917-5-27 17 Modoc West Valley camp and Jess Valley. 1554 Comment
  CHSC117881  Balsamorhiza hookeri L. P. Janeway 2016-5-16 11992 Modoc Modoc Plateau. Devils Garden area; along Road 47N07 1.8 road-km south of Road 181/73/47N09. 1573 Comment
  POM350741  Balsamorhiza hookeri Christopher Davidson 1975-6-4 2600 Modoc 0.4 miles E of Hwy 395 on Hwy 299 toward Cedarville. 1380 Comment
  UC1119016  Balsamorhiza hookeri R. C. Wilson 1933-5-24 27 Modoc near Allen Place (Canby); Canby 1310 Comment
  POM350740  Balsamorhiza hookeri var. lagocephala Christopher Davidson 1973-5-26 2116 Modoc 4 miles W of Canby on Hwy 299. 1341 Comment
  RSA149058  Balsamorhiza hookeri var. lagocephala I. L. Wiggins, Dorothy B. Wiggins 1961-6-13 16474 Modoc Roadside 2.4 mi. S of village of Davis Creek, SE side of Goose Lake. Comment
  CAS-BOT-BC15181  Balsamorhiza hookeri var. lanata Bruce Bartholomew; Barrett Anderson 1988-5-12 4130 Modoc Ca. 13 km NNE of Adin on State Highway 229 at turnoff to Higgins Flat on USFS road 41N11. 1440 Comment
  CAS-BOT-BC15189  Balsamorhiza hookeri var. lanata Mrs. H. C. Cantelow 1941-5-23 s.n. Modoc 7.5 mi. W of Adin Pass Summit on U.S. Hwy. 299 Comment
  CAS-BOT-BC15193  Balsamorhiza hookeri var. lanata Ellsworth Bethel 1923-4-26 s.n. Modoc Lookout. Comment
  CAS-BOT-BC15130  Balsamorhiza sagittata Annie Montague Alexander; L. Kellogg 1946-6-10 4720 Modoc Lava bench between Lower and Snake lakes, on a slope facing Lower Lake Comment
  UC1119025  Balsamorhiza sagittata R. C. Wilson 1933-6-20 47 Modoc Rush Creek, Canby Canby 1463 Comment
  RSA488573  Balsamorhiza sagittata Bruce Bartholomew, B. Anderson 1988-5-14 4193 Modoc 2 km south of turnoff to Crowder Flats West Side Road, west side of Goose Lake. 1410 Comment
  CAS-BOT-BC15141  Balsamorhiza serrata Bruce Bartholomew 1994-5-15 6695 Modoc Poison Spring Canyon near junction with Schamp Creek. Ca. 8 km E of Fort Bidwell. 1480 Comment
  CHSC107331  Barbarea orthoceras Lowell Ahart; John Dittes 2011-6-21 17518 Modoc About 130 yards west of the fence, south edge of the meadow, Ash Creek State Wildlife Area, about 2,300 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  UC922246  Barbarea orthoceras Annie Alexander and Louise Kellogg 1946-7-12 4988 Modoc Twelve Mile Creek, northeast corner of county Comment
  RSA0005404  Beckwithia austinae R. M. Austin, C. C. Bruce 1898-06 2134 Modoc Lake City Mt. Western slope. Comment
  SBBG2288  Berberis aquifolium var. repens H. and M. Dearing 1939-6-8 3597 c Modoc Pine Cyn, Warner Mtns Comment
  UC71677  Berberis aquifolium var. repens Mrs. M. H. Manning 1903-5 134 Modoc Mt. Bidwell Comment
  UC1561006  Bergia texana Dean Wm. Taylor with Glenn L. Clifton 1989-8-6 10487 Modoc Warner Mountains: Bed of Snake Lake. Comment
  JEPS58647  Betula glandulosa L. S. Smith 1917-7-7 127 Modoc bog below Bald Pk.; Warner Mts. 1981 Comment
  CAS-BOT-BC54190  Betula occidentalis Bruce Bartholomew; Barrett Anderson 1988-6-24 4350 Modoc South Barber Creek, 6.3 km SW of County Road 1 on County Road 42, E side of the Warner Mts.. 1790 Comment
  RSA504627  Betula occidentalis Bruce Bartholomew, B. Anderson 1988-6-24 4350 Modoc South Barber Creek, 6.3 km SW of Country Road 1 on Country Road 42, E side of the Warner Mountains. 1790 Comment
  CAS-BOT-BC15149  Bidens cernua var. cernua Bruce Bartholomew 1989-8-12 5135 Modoc 4.2 km W of Likely on County Road 60. 1370 Comment
  CAS-BOT-BC15150  Bidens laevis Doris K. Kildale 1926-9-11 2770 A Modoc Alturas. 1371 Comment
  CAS-BOT-BC218108  Bistorta bistortoides Bruce Bartholomew 1992-5-16 6329 Modoc Lunsford Spring 1600 Comment
  CAS-BOT-BC15088  Blepharipappus scaber M. M. Hanna 1956-6-4 953 Modoc Alturas-Cedarville highway. Comment
  CAS-BOT-BC15106  Blepharipappus scaber R. K. Gierisch; D. H. Esplin 1969-7-15 3541 Modoc Modoc National Forest 1524 Comment
  CAS-BOT-BC15112  Blepharipappus scaber Bruce Bartholomew 1990-6-18 5367 Modoc SW side of Goose Lake, 2 km N of McGinty Point. 1420 Comment
  CAS-BOT-BC15114  Blepharipappus scaber Bruce Bartholomew 1990-6-17 5301 Modoc Vicinity of Emerson Camp near roadhead, E side of Warner Mts. 1750 Comment
  CAS-BOT-BC15123  Blepharipappus scaber R. M. Austin 1886-6-1 Modoc Goose Lake Valley. Comment
  CHSC99960  Blepharipappus scaber Lowell Ahart; John Dittes 2008-8-25 15295 Modoc On the west side of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout. 1273 Comment
  SBBG14875  Blepharipappus scaber A. I. Richardson 1961-5-31 10 Modoc near Adin 1301 Comment
  SBBG7809  Blepharipappus scaber D. D. Keck, J. Clausen 1935-6-24 3711 Modoc ca. 3 mi NE of Willow Ranch, E of Goose Lake 1550 Comment
  UC35785  Blepharipappus scaber Mrs. R. M. Austin 1894-7-1 Modoc Goose Leake Valley Comment
Read comments
Jul 6 2010
  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
  RSA520374  Blepharipappus scaber Bruce Bartholomew, B. Anderson 1989-6-1 4735 Modoc Ca. 0.5 km S of State Hwy 299 on road to Shaker Spring. 1420 Comment
  UC711847  Boechera divaricarpa Roxana S. Ferris and Laura Lorraine 1941-8-13 10516 Modoc Patterson Ranger Station, East Creek drainage Modoc National Forest, Warner Mts., East Creek 2164 Comment
  JEPS53063  Boechera lyallii L. S. Smith 1930-12-1 828 Modoc Shields Creek Warner Mts. 2590 Comment
  UC748370  Boechera pauciflora Annie M. Alexander and Louise Kellogg 1946-6-22 4817 Modoc edge of Bidwell Creek Warner Mountains, Bidwell Creek Comment
  CHSC117032  Boechera pinetorum Lowell Ahart; John Dittes 2016-6-6 20947 Modoc About 40 yards west of the dirt road, about 50 yards southwest of the intersection of County Road 87 and Access Road to Pilot Butte Parking Area, northeast base of Pilot Butte, 3.8 miles (air) east of Lookout, 7.5 miles (air) west of Adin, Ash Creek State Wildlife Area. 1271 Comment
  JEPS53085  Boechera retrofracta Milo S. Baker 1890-1 Modoc Forestdale Comment
  CAS-BOT-BC25535  Boechera retrofracta B. Bartholomew 1990-6-18 5361 Modoc 1.6 mile south of Davis Creek on Highway 395. 1450 Comment
  CAS-BOT-BC35121  Boechera sparsiflora M. Vasey 1990-6-28 9011 Modoc In vicinity of pass at junction of North Emerson Lake Trail and Owl Creek Trail. 2590 Comment
  JEPS53185  Boechera sparsiflora Leland S. Smith 1918-6-22 949 Modoc Pine Creek Modoc Forest 1981 Comment
  OBI7983  Boechera sparsiflora Rhonda Riggins 1989-4-28 1656 Modoc Pencil Rd 4.1 mi N of hwy 395 E of Alturas. T43N R12E, sec 24 Comment
  CHSC109458  Brickellia grandiflora B. Castro; L. P. Janeway 2012-7-25 1948 Modoc Warner Mountains. Along Forest Road/County Road 2 (the road from New Pine Creek to Fort Bidwell) 0.6 air mi west of Lily Lake and 0.9 air mi northwest of Yellow Mountain. 6391 Comment
  UC1134015  Brodiaea coronaria subsp. coronaria R. C. Wilson 1933-6-27 56 Modoc Tom's Creek Modoc National Forest, Canby Quad. 1463 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
  UCD57494  Bromus briziformis Beecher Crampton; Carl Rimbey 1954-7-6 2103 Modoc 20 miles E of Alturas. Warner Mountains. Above Shields Creek. Comment
  SEINET4344995  Bromus briziformis M. J. Williams, J. Nachlinger 1988-6-2 88- 28 -1 Modoc Jess Valley, E of Likely, S of roadside rest. Comment
  SEINET4345007  Bromus briziformis S. C. Swif 1937-6-25 48 Modoc North Fork of Pit River South of Davis Creek 1280 Comment
  CAS-BOT-BC242434  Bromus carinatus var. carinatus Leland S. Smith 1917-7-17 84 Modoc Deep Creek. 2042 Comment
  JEPS69182  Bromus carinatus var. carinatus Leland S. Smith 1917-7-10 104 Modoc Modoc National Forest, Granger Mill Granger Mill; Modoc National Forest, Granger Mill 1889 Comment
  UC1024864  Bromus carinatus var. carinatus Leo Whitney 1935-5-30 3162 a Modoc 18 mi wnw of Canby (Hole-in-the-rock); Hole-in-the-rock Comment
  UC1024967  Bromus carinatus var. carinatus Leo Whitney 1935-7-6 3441 Modoc Pit River near Lookout; Pit River Comment
  UCD59141  Bromus carinatus var. marginatus Beecher Crampton; Carl Rimbey 1954-7-7 2130 Modoc West side of Cedar pass, Warner Mountains. 1889 Comment
  UC1024321  Bromus hordeaceus Annie M. Alexander and Louise Kellogg 1946-6-18 4792 Modoc Patterson Mill-Silver Creek Roads Patterson Mill; , Silver Creek Roads 1828 Comment
  UC149681  Bromus hordeaceus H. M. Hall and E. B. Babcock June 1903 4246 Modoc Sierra Nevada Mountain, south-western Modoc County Sierra Nevada Mountain 1219 Comment
  CAS-BOT-BC242466  Bromus inermis Leland S. Smith 1924-5-20 s.n. Modoc S side Egg Lake. 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
  UCD32725  Bromus japonicus Beecher Crampton 1954-7-7 2163 Modoc Modoc County, 2.5 miles east of Alturas, near radio station KCNO. Comment
  RSA152720  Bromus marginatus I. L. Wiggins, Dorothy Wiggins 1961-6-12 16435 Modoc 4 miles E of summit of Cedar Pass, along Cedar Pass road. Comment
  UC1037141  Bromus orcuttianus Leo Whitney 1935-7-1 3340 Modoc 15 mi nw of Canby (near Hackamore, Modoc National Forest, Spaulding's Butte); Modoc National Forest, Spaulding's Butte 1463 Comment
  CAS-BOT-BC242457  Bromus tectorum Bruce Bartholomew; Barrett Anderson 1989-6-1 4755 Modoc ca. 0.5 km W of Davis Creek on road to S end of Goose Lake. 1460 Comment
  CAS-BOT-BC242498  Bromus tectorum John H. Hatton 1911-6-12 63 Modoc unspecified Comment
  CHSC30520  Bromus tectorum Sandra C. Morey 1980-4-26 73 Modoc Hwy. 299, ca. 3.7 mi. n of jctn. with Hwy 139 at Adin. 1280 Comment
  HSC9358  Bromus tectorum M. T. Milligan 1965-6-30 386 Modoc N end Jess Valley 1616 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
  UCD60049  Bromus tectorum var. nudus L. Whitney 1935-5-21 s.n. Modoc Hackamore. Comment
  CAS-BOT-BC197587  Calandrinia ciliata Bruce Bartholomew 1995-8-1 7146 Modoc 12 Mile Creek, E side of the Warner Mountains. 2110 Comment
  CAS-BOT-BC95090  Callitriche fassettii Robert Folger Thorne; J. Henrickson; C. W. Tilforth 1969-9-4 39115 Modoc N Fork of Pit River 3.4 mi. N of Alturas where crossed by Hwy 395. 1341 Comment
  CAS-BOT-BC95097  Callitriche palustris Bruce Bartholomew 1995-6-3 6957 Modoc Island Meadow N of road between Goose Lake and Crowder Flat Road. 1570 Comment
  UC1101516  Callitriche verna Herbert L. Mason and Verne Grant 1947-7-12 13428 Modoc n of Likely (s loop of w side of road) Comment
  JEPS39845  Calocedrus decurrens L. S. Smith Sept. 1919 1059 Modoc along road e of Alturas; Parker Creek 1828 Comment
  UC401354  Calocedrus decurrens W. P. Taylor and H. C. Bryant 1910-6-26 Modoc Parker Cr. Warner Mountains, Parker Cr. 1676 Comment
  CAS-BOT-BC244935  Calochortus leichtlinii Elmer Ivan Applegate 1932-8-1 8042 Modoc Arid summit of Warner Mts. near and S of Warren Peak. 2438 Comment
  CAS-BOT-BC244936  Calochortus leichtlinii Fred. P. Cronemiller 1920-8-13 22 Modoc Mill Creek Meadow. 2438 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-BC242143  Calochortus macrocarpus Elmer Ivan Applegate 1932-7-9 7621 Modoc Surprise Valley, 5 mi. S of Fort Bidwell. Comment
  JEPS86157  Calochortus macrocarpus Wayne Roderick 1966-7-23 Modoc ca 3 rd mi n Cedar Pass; Warner Mtns. 2133 Comment
  SD52081  Calochortus macrocarpus Frank Stephens 1894-7-28 10333 Modoc Goose Lake. Comment
  HSC15363  Calochortus macrocarpus var. macrocarpus M. T. Milligan 1966-7-7 563 Modoc Slopes and ridges east of Jess Valley 1768 Comment
  CHSC117570  Calycadenia Lowell Ahart; John Dittes 2016-7-14 21153 Modoc About 80 yards west of the Fishing Access Asign, low area along poor dirt road, more south of the fence, about 1/8 mile south of Ash Creek, Ash Creek State Wildlife Area, 1 mile (air) south of County Road 87, 1.7 miles(air) south west of Adin, Big Valley. 1276 Comment
  JEPS52529  Calyptridium umbellatum Milo S. Baker 1893-6 Modoc Egg Lake 1371 Comment
  UC7759  Calyptridium umbellatum Mrs. R. M. Austin and Bruce June 1898 2225 Modoc Goose Lake Valley Comment
  JEPS52550  Calyptridium umbellatum Frances D. Payne 1929-7-26 Modoc Warren Peak; Warner Mountains, Warren Peak Comment
  JEPS52551  Calyptridium umbellatum Frances D. Payne 1931-7-29 288 Modoc head of Cottonwood Creek (e slope Mount Warren); Warner Mountains, Mount Warren, Cottonwood Creek 2286 Comment
  CAS-BOT-BC95586  Calystegia occidentalis subsp. occidentalis Bruce Bartholomew 1991-6-22 5866 Modoc E side of the Pit River, ca. 2 km S of Joseph Creek. 1410 Comment
  CHSC117809  Camassia quamash L. P. Janeway 2016-5-18 12064 Modoc Modoc Plateau. Devils Garden area; Island Meadow, along Road 47N08 2.1 road-km north of Road 73/181/47N09. 1606 Comment
  CAS-BOT-BC242123  Camassia quamash subsp. breviflora Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-14 16478 Modoc Campground on Lassen Creek, 1.6 mi. above ford. Comment
  CAS-BOT-BC242128  Camassia quamash subsp. breviflora Roxana Stinchfield Ferris; R. Duthie 1919-6-15 142 Modoc Along Parker Creek Comment
  UC421789  Camassia quamash subsp. breviflora Franklin P. Nutting Modoc Forestdale Comment
  UC71741  Camassia quamash subsp. breviflora Mrs. M. H. Manning 1903-5 145 Modoc Fort Bidwell, in north eastern Modoc County Fort Bidwell Comment
  CAS-BOT-BC242131  Camassia quamash subsp. breviflora John H. Hatton 1911-6-10 34 Modoc Modoc County. 1249 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
  HSC26610  Camelina microcarpa D. H. Norris, T. Nelson, S. Dowty 1971-6-23 19380 Modoc Along the S Fork of the Pit River, ~6 mi. E of Likely. Comment
  CAS-BOT-BC191122  Camissonia andina Alice Eastwood; John Thomas Howell 1940-6-15 8291 Modoc 9 mi. N of Lookout. Comment
  CAS-BOT-BC191128  Camissonia andina Bruce Bartholomew 1993-6-14 6654 Modoc 5.5 km E of County Road 114 on County Road 108, NW of Clear Lake Reservoir. 1440 Comment
  CAS-BOT-BC191131  Camissonia andina M. M. Hanna 1956-6-4 951 Modoc Turn off Alturas to Cedarville. Comment
  RSA75376  Camissonia andina F. W. Peirson 1926-6-25 6869 Modoc Cedarville Pass, Warner Mountains. Comment
  CHSC111414  Camissonia contorta Lowell Ahart; John Dittes 2012-7-12 18355 Modoc In the parking area on the east side of Elkins Lane, northeast of the homestead, about 300 yards north of the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1295 Comment
  NY851345  Camissonia contorta B. M. Bartholomew 1995-5-13 6912 Modoc 2.7 km northeast of County Road 38 on County Road 37, east side of the south end of Surprize Valley 1410 Comment
  CAS-BOT-BC191107  Camissonia minor Bruce Bartholomew 1993-6-13 6623 Modoc Near Fortynine Creek, E of Cedarville on E side of Surprise Valley. 1400 Comment
  CAS-BOT-BC191109  Camissonia minor Harry Dwight Dillon Ripley; Rupert Charles Barneby 6006 Modoc Valley E of Cedarville. 1219 Comment
  CAS-BOT-BC191096  Camissonia subacaulis Leland S. Smith 1920-6-1 1155 Modoc Between Fort Bidwell and Cow Head Lake. 1859 Comment
  CAS-BOT-BC191095  Camissonia tanacetifolia subsp. tanacetifolia Annie Montague Alexander; L. Kellogg 1946-6-10 4710 Modoc Snake Lake. Comment
  POM229954  Camissonia tanacetifolia subsp. tanacetifolia Louis C. Wheeler 1935-8-2 3744 Modoc Twelve Mile Creek, Warner Mountains 2195 Comment
  CAS-BOT-BC95106  Campanula scabrella D. Showers 1978-8-8 4219 Modoc Near Patterson Lake. 2743 Comment
  CAS-BOT-BC58429  Cardamine breweri var. breweri Alice Eastwood; John Thomas Howell 1940-6-13 8166 Modoc Cedarville. Comment
  CAS-BOT-BC58474  Cardamine breweri var. breweri Bruce Bartholomew; Barrett Anderson 1989-6-3 4862 Modoc Quaking Aspen Spring, between Goose Lake and Clear Lake Reservoir. 1500 Comment
  CAS-BOT-BC58668  Cardamine cordifolia C. L. Hitchcock 1940-5-27 6712 Modoc 15 mi. NE of Alturas. 1676 Comment
  CDA37679  Cardaria draba Robin Breckenridge 2002-7-15 s.n. Modoc Likely; Lynetta Farms. 0 Comment
  HSC100126  Carduus acanthoides G. D. Barbe, C. B. Greenbank 1978-8-31 2427 Modoc 1 mile S of junction of Camby Rd. and Hwy. 299. Comment
  CAS-BOT-BC242329  Carex abrupta Louis Cutter Wheeler 1935-8-16 3878 Modoc Dismal Swamp. 2225 Comment
  UC1024320  Carex angustata Annie M. Alexander and Louise Kellogg 1946-6-15 4777 Modoc Deep Creek 2133 Comment
  CAS-BOT-BC242327  Carex aquatilis var. aquatilis Annie Montague Alexander; L. Kellogg 1946-7-19 5033 Modoc Benton Meadow. 2072 Comment
  CAS-BOT-BC242373  Carex athrostachya Peter Hamilton Raven; Otto Thomas Solbrig 1958-6-17 13305 Modoc Hwy 299, 2.6 mi W of Alturas. Comment
  SEINET10644700  Carex athrostachya Louis C. Wheeler 1935-8-16 Wheeler 3878 Modoc Damo sunny meadow. Dismal Swamp, Twenty Mile Cr., Warner Mts. S31, T48N, R16E. 2225 Comment
  SEINET7550699 Image available Carex athrostachya John Thomas Howell 1934-6-12 12030 Modoc Plum Valley, Warner Mts. Comment
  UC1537642  Carex athrostachya Gordon H. True Jr. 1939-6-25 993 Modoc NW of Alturas (Boles Meadow) Comment
  UC189590  Carex aurea Milo S. Baker Modoc Big Valley Mts. Comment
  HSC48008  Carex brainerdii D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19509 Modoc Big Valley Summit, 6 mi. W of Adin on Hwy. 299 Comment
Read comments
Jan 1 2017
  CHSC117045  Carex douglasii Lowell Ahart; John Dittes 2016-6-6 20971 Modoc About 10 yards west of the dirt road, about 10 yards west 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
  JEPS100192  Carex hoodii Dean Wm. Taylor with Glenn L. Clifton 1989-8-5 10446 Modoc Warner Mountains, Emerson Creek drainage; cirque headwall above South Emerson Lake 2560 Comment
  UC1036068  Carex hoodii Annie M. Alexander and Louise Kellogg 1946-7-19 5031 Modoc Benton Meadow Warner Mountains 2072 Comment
  CAS-BOT-BC242361  Carex jonesii Bruce Bartholomew; Barrett Anderson 1988-7-21 4606 Modoc Above Upper Rush Creek Campground ca. 4 km E of State Highway 299 between Adin and Canby. 1580 Comment
  JEPS114841  Carex lanuginosa Lowell Ahart, John Dittes 2008-6-21 15003 Modoc On damp soil along a deep natural drainage, about 30 yards west of the levee, mountain meadow, in Big Valley, about 3.6 miles (air) northeast of the Headquarters at Ash Creek State Wildlife Area, aout 6.4 miles (air northeast of Bieber 1269 Comment
  UC1024326  Carex microptera Annie M. Alexander and Louise Kellogg 1946-6-30 4883 Modoc Highgrade, w side of ridge n end of Warner Mountains 2377 Comment
  UC1024335  Carex microptera Annie M. Alexander and Louise Kellogg 1946-7-18 5021 Modoc Benton Meadow Warner Mountains 2072 Comment
  CAS-BOT-BC245178  Carex multicaulis Bruce Bartholomew 1992-5-17 6345 Modoc SW side of White Horse Mountains, SW of White Horse Flat Reservoir. 1460 Comment
  CAS-BOT-BC245180  Carex multicaulis Fred. P. Cronemiller 1920-6-30 27 Modoc Round Valley. 1402 Comment
  HSC48001  Carex multicaulis D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19461 Modoc Upper Rush Creek Campground, about 8 mi. N of Adin on Hwy. 299 Comment
  CAS-BOT-BC245161  Carex nebrascensis R. L. Ward 1976-5-18 s.n. Modoc Pine Spring. 1508 Comment
  CAS-BOT-BC245172  Carex nebrascensis John Thomas Howell 1934-6-15 12190 Modoc Alturas. Comment
  CAS-BOT-BC245173  Carex nebrascensis Bruce Bartholomew; Barrett Anderson 1988-7-23 4588 Modoc Vicinity of Blue Bell Mine between Lily Lake and Dismal Swamp, Warner Mts.. 2170 Comment
  SEINET10711419  Carex nebrascensis Louis C. Wheeler 1935-8-16 Wheeler 3870 Modoc Boggy sunny meadow. Dismal Swamp, Twenty Mile Cr., Warner Mts. S31, T48N, R16E. 2225 Comment
  SEINET10711428  Carex nebrascensis Gordon H. True 1939-6-25 True 992 Modoc Boles Meadow, NW of Alturas. Comment
  UC1536800  Carex nebrascensis Gordon H. True Jr. 1939-6-25 992 Modoc nw Alturas; Boles Meadow Comment
  UC190427  Carex nebrascensis M. S. Baker and Frank Nutting 1894-6-4 Modoc Hot Spring Valley 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
  JEPS63585  Carex phaeocephala W. L. Jepson 1918-8-13 7978 Modoc summit of Eagle Peak, Warner Mountains Eagle Peak; Warner Mountains, Eagle Peak 3017 Comment
  UCD140769  Carex praegracilis Herbert L. Mason; Verne Grant 1947-7-12 13439 Modoc Corporation Ranch Headquarters, north of Likely. Comment
  HSC48003  Carex rossii D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19487 Modoc Big Valley Summit, 6 mi. W of Adin on Hwy. 299 Comment
  JEPS25926  Carex simulata W. L. Jepson 1918-8-5 7827 Modoc Likely 1371 Comment
  UC1540258  Carex simulata Dean Wm. Taylor, Glenn L. Clifton 1987-6-27 9083 Modoc along Highway 299 Highway 299 1402 Comment
  UC1024332  Carex straminiformis Annie M. Alexander and Louise Kellogg 1946-7-17 5007 Modoc Benton Meadow Warner Mountains 2072 Comment
  CAS-BOT-BC245147  Carex subfusca Leland S. Smith 1922-7-20 1279 Modoc Rush Creek Ranger Station Pasture. 1905 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
  CAS-BOT-BC248973  Castilleja John Thomas Howell 1934-6-14 12116 Modoc Near Lost Lake, Warner Mts. 2438 Comment
  CAS-BOT-BC225981  Castilleja applegatei subsp. pinetorum Bruce Bartholomew; Barrett Anderson 1988-5-14 4196 Modoc 0.8 km W of Goose Lake on USFS road 47N09 to Crowder Flats. 1430 Comment
  CAS-BOT-BC225997  Castilleja applegatei subsp. pinetorum Edward Kent Balls 1950-5-10 15967 Modoc 0.5 mi. E of fork of Hwy 395 and Alturas Rd. 1584 Comment
  CAS-BOT-BC225999  Castilleja applegatei subsp. pinetorum John Thomas Howell 1934-6-11 11917 Modoc Parker Creek, Warner Mountains 1584 Comment
  CAS-BOT-BC226001  Castilleja applegatei subsp. pinetorum Bruce Bartholomew 1994-7-2 6780 Modoc 1.8 km SE of Joseph Creek Basin on the W side of the Warner Mountains. 1720 Comment
  CAS-BOT-BC229822  Castilleja applegatei subsp. pinetorum Alice Eastwood; John Thomas Howell 1940-6-11 8006 Modoc 6 mi. NE of Adin on road to Canby. Comment
  CAS-BOT-BC229823  Castilleja applegatei subsp. pinetorum John Thomas Howell 1934-6-13 12100 Modoc North fork of Barber Creek. 1828 Comment
  CAS-BOT-BC229828  Castilleja applegatei subsp. pinetorum Roxana Stinchfield Ferris; R. Duthie 1919-6-14 91 Modoc Above Parker Creek, Modoc National Forest 1981 Comment
  JEPS62828  Castilleja applegatei subsp. pinetorum John Weiler 1970-7-7 70197 Modoc above Cedar Pass (along Highway 299) 1950 Comment
  JEPS86309  Castilleja applegatei subsp. pinetorum Jack and Betty Guggolz 1988-7-5 983 Modoc near Highgrade Mine Comment
  JEPS86681  Castilleja applegatei subsp. pinetorum L. R. Heckard with T. I. Chuang 1990-7-14 6762 Modoc ca 2 mi n Cedar Pass (along Old Common Mill Rd, 0.7 mi e of Soldier Creek Rd) 2075 Comment
  RSA26485  Castilleja applegatei subsp. pinetorum Alice Eastwood, John T. Howell 1940-6-13 8144 Modoc Fandango Pass. Comment
  RSA60360  Castilleja applegatei subsp. pinetorum E. K. Balls 1950-5-10 15967 Modoc 0.5 mi. east of fork of Hwy 395 and Alturas Road. 1585 Comment
  UC71632  Castilleja applegatei subsp. pinetorum Mrs. M. H. Manning 1902-10-11 43 Modoc Warner Mts Warner Mts. (ne Modoc County) Comment
  UC986480  Castilleja applegatei subsp. pinetorum Annie M. Alexander and Louise Kellogg 1946-6-27 4844 Modoc 2 mi from by road Dismal Swamp (Highgrade, n end of Warner Mountains); Warner Mountains, Highgrade 2377 Comment
  UC748159  Castilleja arachnoidea Annie M. Alexander and Louise Kellogg 1946-7-30 5099 Modoc e slope near summit Eagle Peak; Warner Mountains Comment
  CAS-BOT-BC226039  Castilleja linariifolia Elmer Ivan Applegate 1929-7-29 6091 Modoc Clear Lake Dam. Comment
  RSA31872  Castilleja linariifolia A. A. Heller 1940-6-29 15746 Modoc On U.S. Highway 299, about 5 miles west of Alturas. Comment
  RSA82265  Castilleja miniata F. W. Peirson 1926-6-25 6887 Modoc Small side canyon 1 mile east of summit of Warner Mountains on Cedarville Road. Comment
  RSA0010941  Castilleja minor subsp. minor H. L. Mason 1947-8-11 13493 Modoc On Highway 81, west margin of Lower Lake, near boundary between Lassen and Modoc counties. Comment
  CAS-BOT-BC226050  Castilleja pilosa Bruce Bartholomew; Barrett Anderson 1989-6-2 4786 Modoc Long Canyon, 12 km NE of Fort Bidwell on the road to the Oregon border. 1550 Comment
  CAS-BOT-BC226062  Castilleja pilosa Bruce Bartholomew 1993-6-14 6661 Modoc 8.7 km E of County Road 114 on County Road 108, NW of Clear Lake Reservoir. 1450 Comment
  CHSC112112  Castilleja pilosa L. P. Janeway; B. Castro 2014-6-2 11288 Modoc Great Basin. Along County Road 5 1.0 km west of the southwest corner of Cow Head Lake. 1627 Comment
  CHSC117770  Castilleja pilosa L. P. Janeway 2016-5-18 12056 Modoc Modoc Plateau. Between Goose Lake and the Devils Garden area; along southwest side of Goose Lake about 1.0 air--km southwest of north end of Road 48 causeway across the lake. 1434 Comment
  SJSU11532  Castilleja rubicundula subsp. lithospermoides H. L. Buckalew 1961-6-23 Modoc by Stough Reservoir 1 mi N of Cedar Pass on Alturas-Cedarville Rd 2042 Comment
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Jun 3 2009
  CAS-BOT-BC226068  Castilleja tenuis Annie Montague Alexander; L. Kellogg 1946-7-7 4929 Modoc Eight Mile Creek, northeast corner of county 1752 Comment
  JEPS76810  Castilleja tenuis Theodore F. Niehaus 1978-6-28 952 Modoc ca 12 mi w Canby (0.3 mi s on road to Craig Springs from junction with Loveness mainline logging road and 0.05 mi into sec. 13) Comment
  JEPS79118  Castilleja tenuis L. R. Heckard with R. Bacigalupi 1980-6-10 5220 Modoc sw margin Egg Lake (now dry); Egg Lake Comment
  RSA0062306  Castilleja tenuis Lowell Ahart, John Dittes 2011-6-22 17559 Modoc On the east side of the road, about 100 yards north of the Pilot Butte Parking Lot, north edge of Ash Creek Floodplain, 1.1 miles (air) south of County Road 87, 7.7 miles (air) west of Adin, 10 miles (air) east of Lookout, Big Valley. 1264 Comment
  JEPS29099  Castilleja tenuis Lauramay T. Dempster 1961-7-19 1701 Modoc 10.0 mi s Davis Creek (town) (above railroad tract) 1371 Comment
  JEPS77516  Castilleja tenuis L. R. Heckard with T. I. Chuang and R. C. Bacigalupi 1978-7-19 4883 Modoc Cedar Pass; n side of road 1920 Comment
  JEPS79138  Castilleja tenuis L. R. Heckard with R. Bacigalupi 1980-6-11 5240 Modoc ca 10 air mi se Alturas (junction of Parker Creek and Shields Creek); junction of Parker Creek and Shields Creek 1737 Comment
  UC71740  Castilleja tenuis Mrs. M. H. Manning Jul 1904 396 Modoc 6 mi below Ft. Bidwell (Alkali Lake, ne Modoc County); Alkali Lake Comment
  UC1281476  Ceanothus X flexilis H. E. McMinn 1941-8-27 5405 Modoc Egg lake 12-13 mi from Lookout, Egg Lake; Egg Lake Comment
  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
  CAS-BOT-BC217101  Ceanothus prostratus Alice Eastwood; John Thomas Howell 1940-6-13 8143 Modoc Fandango Pass. 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
  UC73356  Ceanothus pumilus Milo S. Baker Modoc near Egg Lake; near Egg Lake Comment
  CAS-BOT-BC217115  Ceanothus velutinus John Thomas Howell 1934-6-13 12059 Modoc Fandango Pass. 1828 Comment
  CAS-BOT-BC217116  Ceanothus velutinus Betty J. Hammerly 1941-6-20 37 Modoc Along banks of Clear Lake, S end of Warner Mts. Comment
  UC1281456  Ceanothus velutinus H. E. McMinn 1931-5-23 2472 Modoc Fandango Pass Warner Mts., Fandango Pass Comment
  UC18452  Ceanothus velutinus Mrs. R. M. Austin and Bruce June 1898 2335 Modoc Mts. Gooselake 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
  POM126397  Ceanothus velutinus M. French Gilman 575 Modoc [No location data on label] 1677 Comment
  JEPS127154  Centaurea cyanus Lowell Ahart, John Dittes 2016-7-16 21236 Modoc South of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.75 miles (air) west of Adin, Big Valley. Comment
  UC2043249  Centaurea cyanus Barbara Ertter 1995-7-1 14460 Modoc Highway 395 south of New Pine Creek on Oregon border, at junction of County Road 44. Comment
  CAS-BOT-BC15097  Centaurea diffusa L. D. White 1959-8-19 s.n. Modoc W of Canby. Comment
  CHSC105980  Centromadia parryi subsp. rudis Lowell Ahart; John Dittes 2010-8-30 17060 Modoc In a small vernal pool, about 15 yards west of the fence, south edge of the meadow, Ash Creek State Wildlife Area, 2300 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  CAS-BOT-BC95205  Cerastium fontanum Bruce Bartholomew 1994-7-2 6798 Modoc Joseph Creek Basin, W side of the Warner Mountains. 1650 Comment
  CAS-BOT-BC95501  Ceratophyllum demersum Bruce Bartholomew 1989-8-11 5053 Modoc Along W side of Goose Lake, 4.2 km N of McGinty Point on National Forest Road 48. 1430 Comment
  RSA59655  Cercocarpus ledifolius E. K. Balls 1950-5-12 14635 Modoc Above Bucks Creek Ranger Station, Modoc National Forest, E of Goose Lake. 1738 Comment
  RSA613685  Cercocarpus ledifolius Louis C. Wheeler 1935-9-23 4006 Modoc Pease Flat, Devil's Garden. 1524 Comment
  CHSC109744  Cercocarpus ledifolius var. intermontanus B. Castro; L. P. Janeway 2012-7-28 1983 Modoc Warner Mountains. At Obsidian Needles Obsidian Collecting Area (on BLM map); along USFS Road 45N34 overlooking North Fork Davis Creek about 3.8 air mi E-NE of the community of Davis Creek (on Hwy 395). 1891 Comment
  CAS-BOT-BC15066  Chaenactis douglasii var. douglasii Isabelo T. Kelly 1930-1-1 53 A Modoc unspecified Comment
  CAS-BOT-BC15027  Chaenactis macrantha Bruce Bartholomew 1994-5-15 6689 Modoc E of Eagleville near Nevada border, E side of Surprize Valley. 1490 Comment
  CAS-BOT-BC15075  Chaenactis macrantha Bruce Bartholomew 1993-6-13 6610 Modoc Near the Nevada border, E of Eagleville, Surprise Valley. 1500 Comment
  CAS-BOT-BC197575  Chamaebatiaria millefolium Mrs. M. H. Manning s.n. Modoc NW Modoc County. Comment
  JEPS44979  Chamaebatiaria millefolium L. S. Smith 1918-6-23 1433 Modoc Modoc National Forest, w side Happy Camp Happy Camp; Modoc National Forest, Happy Camp Comment
  CAS-BOT-BC245417  Chamaesaracha nana Bruce Bartholomew; Barrett Anderson 1990-7-20 5533 Modoc 3.4 km NW of Tamarack Flat, E side of Warner Mts. 2130 Comment
  CAS-BOT-BC245419  Chamaesaracha nana John Thomas Howell 1934-6-14 12177 Modoc Patterson Mill Rd., Warner Mts. 2133 Comment
  CHSC111404  Chamaesyce serpillifolia subsp. serpillifolia Lowell Ahart; John Dittes 2012-7-12 18356 Modoc In the parking area on the east side of Elkins Lane, northeast of the homestead, about 300 yards north of the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1295 Comment
  JEPS117378  Chamaesyce serpillifolia subsp. serpillifolia Lowell Ahart, John Dittes 2010-8-30 17054 Modoc About 10 yards west of the fence, south edge of the meadow, Ash Creek State Wildlife Area, 2300 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley 1267 Comment
  JEPS52341  Chamaesyce serpyllifolia Milo S. Baker 1893-7-25 Modoc Egg Lake Comment
  UC1192289  Chamaesyce serpyllifolia Verne Grant and Irving Schneider 1947-8-27 8314 Modoc sw end Clear Lake Comment
  HSC16312  Chamerion angustifolium subsp. circumvagum M. T. Milligan 1966-7-25 569 Modoc E of Jess Valley 1646 Comment
  JEPS124357  Chenopodium album Lowell Ahart, John Dittes 2015-7-16 20360 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-BC95518  Chenopodium berlandieri Roxana Stinchfield Ferris; L. Lorraine 1941-8-14 10613 Modoc Summit of Fandango Pass on road between Fort Bidwell and Pine Creek. 1889 Comment
  UCD97878  Chenopodium foliosum W. T. Parsons; T. C. Fuller 1960-7-26 4874 Modoc E. H. Boys ranch, Lassen Creek, ca. 2 mi. SE/Hwy 395. Comment
  CAS-BOT-BC95525  Chenopodium hians Herbert Louis Mason; Verne Grant 1947-7-10 13345 Modoc Dorris Reservoir, 2 mi E of Alturas. Comment
  CAS-BOT-BC95662  Chimaphila menziesii Annie Montague Alexander; L. Kellogg 1946-7-24 5063 Modoc Bear Camp Flat. Comment
  UC71818  Chimaphila umbellata Mrs. M. H. Manning 1903-9-2 372 Modoc n.e. Modoc Co., John Henry Hill Comment
  CDA37694  Chorispora tenella Breckenridge/Filippini 2005-6-2 s.n. Modoc Likely, Jones Lane, Lynetta Farms. 0 Comment
  POM166648  Chrysolepis sempervirens Baker, Nutting 1893-06 3262 Modoc Squaw Valley, near Mt. Shasta. Comment
  CAS-BOT-BC15033  Chrysothamnus humilis John Thomas Howell 1934-7-1 12348 B Modoc Duncan Horse Camp. 1355 Comment
  JEPS21429  Chrysothamnus humilis W. L. Jepson 1918-8-7 7881 Modoc Mt. Bidwell 2507 Comment
  CAS-BOT-BC15004  Chrysothamnus nauseosus subsp. albicaulis Bruce Bartholomew 1989-8-11 5081 Modoc Sand Creek, Surprise Valley, 5 km W of Nevada border on State Hwy 299. 1400 Comment
  CAS-BOT-BC15048  Chrysothamnus nauseosus subsp. albicaulis Philip Alexander Munz 1951-9-14 16980 Modoc Jess Valley. 1615 Comment
  CAS-BOT-BC14981  Chrysothamnus parryi subsp. nevadensis Francis Dorris Payne 1935-8-25 809 Modoc Parker Creek. 1584 Comment
  SFV7753  Chrysothamnus viscidiflorus T. Gordon, K. Kimbrough 1975-8-15 1216 Modoc Just east of the entrance to Lava Beds National Monument. 1280 Comment
  CAS-BOT-BC14993  Chrysothamnus viscidiflorus subsp. viscidiflorus Isabelo T. Kelly 1930-1-1 57 Modoc unspecified Comment
  JEPS21408  Chrysothamnus viscidiflorus subsp. viscidiflorus W. L. Jepson 1918-8-6 7836 Modoc Fandango Pass 1859 Comment
  POM40574  Chrysothamnus viscidiflorus subsp. viscidiflorus Mrs. R. M. Austin 1895-07 543 Modoc Goose Lake Valley. Comment
  CDA38300  Cicuta douglasii T. C. Fuller 1964-10-8 12701 Modoc West side of Highway 395 at southern limits of Likely. 0 Comment
  CDA38304  Cicuta douglasii G. D. Barbe, John Kelley 1988-7-2 4297 Modoc Modoc National Wildlife Refuge, southeast of Alturas. 0 Comment
  JEPS89935  Cicuta maculata Dean Wm. Taylor with Glenn L. Clifton 1989-8-6 10498 Modoc West shore Lower Lake (Surprise Valley). 1363 Comment
  JEPS15742  Cicuta maculata var. angustifolia W. L. Jepson 1918-8-9 7921 Modoc Fort Bidwell 1432 Comment
  UC420741  Cicuta maculata var. angustifolia Mrs. M. H. Manning 1903-7 197 Modoc near Fort Bidwell (in north-eastern Modoc County) Comment
  HSC16244  Circaea alpina subsp. pacifica M. T. Milligan 1966-7-27 589 Modoc Slopes and ridges E of Jess Valley 1707 Comment
  NY850374  Circaea alpina subsp. pacifica B. M. Bartholomew 1988-7-21 4439 Modoc Above Upper Rush Creek Campground ca. 4 km east of State Highway 299 between Adin and Canby 1580 Comment
  CHSC100427  Cirsium arvense Lowell Ahart; John Dittes 2008-8-25 15286 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
  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
  RSA128747  Cirsium arvense T. C. Fuller 1959-7-8 2746 Modoc Grainfield 1.5 miles south of Tulelake Comment
  CAS-BOT-BC14962  Cirsium cymosum Lewis Samuel Rose 1940-6-13 40560 Modoc E slope of Cedar Pass. 1828 Comment
  CDA1164  Cirsium cymosum T. C. Fuller 1958-7-8 1932 Modoc Likely/Alturas. 0 Comment
  UC30800  Cirsium cymosum var. cymosum Milo S. Baker 1893-7-12 Modoc Comment
  UC75815  Cirsium douglasii var. breweri Milo S. Baker 1898-8-1 Modoc Forest Dale Comment
  CAS-BOT-BC14930  Cirsium occidentale var. candidissimum Edward Kent Balls; Percy C. Everett 1952-10-11 18157 Modoc 1 mi. SE of crest of Fandango Pass, Warner Mountains 1706 Comment
  HSC31108  Cirsium occidentale var. candidissimum R. F. Thorne, C. W. Tilforth 1969-9-5 39183 Modoc 3.3 mi. N of Likely 1357 Comment
  HSC81012  Cirsium occidentale var. candidissimum G. M. Riegel 1980-7-15 908 Modoc South Warner Mtns. 2100 Comment
  SEINET3146369  Cirsium occidentale var. candidissimum M. S. Baker sn Modoc Egg Lk. Comment
  CDA31791  Cirsium ochrocentrum K. Haas 2007-2-6 PDR# 1402971 Modoc County Rd 1, Cedarville 0 Comment
  CDA1510  Cirsium ochrocentrum var. ochrocentrum D. Chambers, M. Carstens 1979-8-22 s.n. Modoc Modoc National Forest, Beeler Reservoir dam, S of Hackamore. Comment
  CAS-BOT-BC14937  Cirsium scariosum John Thomas Howell 1934-6-15 12188 Modoc Alturas. Comment
  CAS-BOT-BC14941  Cirsium scariosum Bruce Bartholomew; Barrett Anderson 1988-7-22 4491 Modoc Vicinity of East Creak Trailhead, southern end of the Warner Mts. 2210 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
  UC748332  Cirsium scariosum var. americanum Annie M. Alexander and Louise Kellogg 1946-6-14 4765 Modoc Silver Creek branch Patterson Mill road 1828 Comment
  CAS-BOT-BC162643  Clarkia Clare B. Hardham 1961-6-19 7848 Modoc Willow Creek, Warner Mountains Comment
  CAS-BOT-BC191001  Clarkia Fred. P. Cronemiller 1920-6-15 9 Modoc McKenzie Spring. 1310 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-BC191068  Clarkia gracilis subsp. gracilis C. L. Hitchcock 1940-5-28 6729 Modoc 15 miles north of Alturas. (near Surprise) on dry slope 1402 Comment
  CAS-BOT-BC191071  Clarkia gracilis subsp. gracilis Bruce Bartholomew 1990-6-18 5391 Modoc Turner Creek at County Rd 90, N end of Big Valley, 6.4 km N of Lassen County border. 1230 Comment
  RSA27680  Clarkia gracilis subsp. gracilis C. L. Hitchcock 1940-5-28 6729 Modoc 15 miles north of Alturas, (near Surprise). 1402 Comment
  CAS-BOT-BC191050  Clarkia lassenensis Alice Eastwood; John Thomas Howell 1940-6-14 s.n. Modoc Near Hackamore. Comment
  SD133952  Clarkia lassenensis Barbara Ertter 1988-6-18 7622 Modoc Highway 139 circa 50 airmiles southwest of Klamath Falls, a few miles north of Agriculture Inspection Station, 1 mile south of south junction to Lava Beds National Monument east of Tonesta; 1310 Comment
  CAS-BOT-BC184096  Clarkia lassenensis Mrs. H. C. Cantelow 1935-6-8 s.n. Modoc Nr. Bieber Comment
  JEPS43695  Clarkia lassenensis Frances D. Payne 1931-6-21 228 Modoc ridge sw Dry Creek (northern tributary of Parker Creek); Warner Mountains 1981 Comment
  UC146039  Clarkia lassenensis Mrs. M. H. Manning Modoc NE Modoc County Comment
  CDA38042  Clarkia rhomboidea J. Elliot 1975-7-3 s.n. Modoc Forestry road, 2 mile north of Joseph Creek Basin, northeast of Alturas, Modoc National Forest. 0 Comment
  CAS-BOT-BC248356  Claytonia lanceolata B. Bartholomew; H. Sun 2002-6-24 8839 Modoc Ca. 1 km NW of Bald Mt., E side of the Warner Mountains 2290 Comment
  NY497244  Claytonia lanceolata A. M. Alexander 1946-6-15 4773 Modoc Deep Creek 2133.6 Comment
  JEPS43365  Claytonia megarhiza W. L. Jepson 1918-8-13 7976 Modoc Eagle Peak summit Eagle Peak; Warner Mts. 3017 Comment
  CAS-BOT-BC197471  Claytonia rubra subsp. rubra Bruce Bartholomew 1990-6-15 5228 Modoc S end of Deer Spring Ridge, 0.2 km N of turn off to Knox Flat. 1920 Comment
  CHSC117882  Claytonia rubra subsp. rubra L. P. Janeway 2016-5-16 11986 Modoc Modoc Plateau. Devils Garden area; along Road 47N07 1.8 road-km south of Road 181/73/47N09. 1573 Comment
  HSC17711  Claytonia rubra subsp. rubra M. T. Milligan 1965-6-23 301 Modoc N end of Jess Valley 1616 Comment
  CAS-BOT-BC197463  Claytonia rubra subsp. rubra John H. Hatton 1911-6-10 32 Modoc Modoc County. 1371 Comment
  SD52231  Cleome platycarpa Frank Stephens 1894-7-16 728 Modoc 1430 Comment
  CAS-BOT-BC226095  Collinsia parviflora Bruce Bartholomew 1991-6-21 5823 Modoc Vicinity of Drift Fence Tank, 2 km S of Forest Service road 73 on road to Rim Rock Valley. 1580 Comment
  SBBG27381  Collinsia parviflora C. L. Hitchcock 1940-5-27 6687 Modoc 15 mi NE of Alturas 1615 Comment
  CAS-BOT-BC226096  Collinsia parviflora Mrs. H. C. Cantelow 1940-6-2 4395 Modoc NW of Canby, road to lava beds. Comment
  JEPS11707  Collinsia parviflora F. W. Pennell Jun 7 1940-Jun 8 1940 25733 Modoc ne Adin (along Rush Creek); Rush Creek Comment
  JEPS3169  Collinsia parviflora N. T. Mirov 1929-5-30 Modoc Warner Mtns; pasture 1524 Comment
  RSA531341  Collinsia parviflora Bruce Bartholomew, M. Bourell 1990-4-26 5158 Modoc 0.5 km S of Day. 1100 Comment
  UC217637  Collinsia torreyi var. wrightii Mrs. R. M. Austin Aug 1894 179 Modoc Headwaters of Lassen Creek Lassen Creek; Headwaters of Lassen Creek Comment
  CAS-BOT-BC190735  Collomia grandiflora Bruce Bartholomew; Barrett Anderson 1988-6-25 4386 Modoc 5.6 km NW of State Highway 299 on County Road 73. 1500 Comment
  CHSC109883  Collomia grandiflora B. Castro; L. P. Janeway 2012-7-25 1956 Modoc Warner Mountains. Slope along N side of Dismal Swamp, along sides of rough gravel road going N out of swamp. 2218 Comment
  CAS-BOT-BC190736  Collomia grandiflora Mrs. H. C. Cantelow 1940-5-31 4107 Modoc E of Canby. Comment
  CAS-BOT-BC229517  Collomia linearis Annie M. Alexander; Louise Kellogg 1946-7-3 4900 Modoc Bidwell Creek, 7 miles W of Fort Bidwell Comment
  CAS-BOT-BC190717  Collomia tinctoria Bruce Bartholomew; Barrett Anderson 1988-5-12 4133 Modoc Along the N side of the Pit River, 0.5 km W of State Highway 299 on Bushey Road. 1310 Comment
  HSC75907  Collomia tinctoria D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19488 Modoc Big Valley Summit, 6 mi. W of Adin on Hwy. 299 Comment
  CAS-BOT-BC225784  Comandra umbellata subsp. californica Bruce Bartholomew 1995-6-1 6926 Modoc 2.7 km E of Day between Day and Lookout on County Road 94. 1340 Comment
  CAS-BOT-BC242185  Corallorhiza maculata K. Paulson; Robert Paulson 1989-7-2 162 Modoc Field redacted by CAS, contact the data manager for more information 1621 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
  CAS-BOT-BC497461  Corallorhiza striata B. Bartholomew 1992-5-14 6282 A Modoc Field redacted by CAS, contact the data manager for more information 1390 Comment
  JEPS16279  Cordylanthus capitatus Mrs. R. M. Austin Aug. 1894 246 Modoc hills near Lassen Creek (ne Modoc Co.) Comment
  JEPS71355  Cordylanthus capitatus L. R. Heckard with R. Bacigalupi and T. I. Chuang 1973-7-29 3458 Modoc 3.5 mi n of Cedar Pass ((e of summit) e side of Warner Mountains, Summit of Old Cannon Mill Road); Warner Mountains, Old Cannon Mill Road 2072 Comment
  CAS-BOT-BC229879  Cordylanthus ramosus Louis Cutter Wheeler 1935-8-20 3899 Modoc Pine Spring, Devil's Garden. 1524 Comment
  RSA420748  Cordylanthus ramosus Louis C. Wheeler 1935-8-20 3899 Modoc Pine Spring, Devils Garden. 1524 Comment
  UC199371  Cordylanthus tenuis subsp. viscidus Franklin P. Nutting Modoc Big Valley Mts. Comment
  CAS-BOT-BC95595  Cornus sericea subsp. sericea Bruce Bartholomew; Barrett Anderson 1988-7-21 4444 Modoc Above Upper Rush Creek Campground ca. 4 km E of State Highway 299 between Adin and Canby. 1580 Comment
  POM97790  Corydalis aurea subsp. aurea Mrs. R. M. Austin 1884-06 s.n. Modoc Modoc County: Pilt River Comment
  POM140051  Crataegus castlegarensis Milo S. Baker 1893-1 s.n. Modoc [Unspecified] Comment
  HSC102678  Crataegus douglasii J. P. Smith, J. O. Sawyer 2011-8-14 13372 Modoc Fence row along Plum Valley Road, east of Davis Creek. 1494 Comment
  CAS-BOT-BC14950  Crepis acuminata Bruce Bartholomew 1990-6-17 5325 Modoc E side of Surprise Valley, 9.6 km E of Eagleville at the Nevada border. 1580 Comment
  HSC81021  Crepis acuminata G. M. Riegel 1979-7-14 544 Modoc South Warner Mtns. 1739 Comment
  CAS-BOT-BC14906  Crepis acuminata Amos Arthur Heller 1938-6-24 15220 Modoc unspecified Comment
  CHSC116354  Crepis acuminata J. R. Keck Jr.; Pfeiffer 1985-6-6 PDR 237691 Modoc Forest land near Lookout Junction, southwest corner of Modoc County. Comment
  SJSU8815  Crepis acuminata J. W. Tilden 1958-6-25 1261 Modoc near Monument Headquarters, Lava Beds National Monument Comment
  CAS-BOT-BC14923  Crepis bakeri Bruce Bartholomew 1991-7-4 5912 Modoc Roney Flat. 1460 Comment
  CAS-BOT-BC14854  Crepis intermedia Elmer Ivan Applegate 1932-8-1 8002 Modoc N of Mill Creek Meadows, west slope of Warner Mountains 2438 Comment
  CAS-BOT-BC14885  Crepis modocensis subsp. modocensis C. C. (Mrs.) Bruce 1898-6-1 2164 Modoc Lake City Mt. Comment
  CAS-BOT-BC14878  Crepis modocensis subsp. subacaulis Elmer Ivan Applegate 1932-7-9 7604 Modoc Summit of Bidwell Mountain, Warner Mountains Comment
  SEINET7838766 Image available Crepis nana M. Lavin, H. Mozingo 1979-9-8 s.n. Modoc Just W of Leavitt Lake Comment
  CAS-BOT-BC14867  Crepis occidentalis Bruce Bartholomew 1992-5-16 6338 Modoc Burned area along County Road 91, ca. 2.5 km S of turn off to Happy Camp Ranger Station. 1390 Comment
  CAS-BOT-BC14912  Crepis occidentalis Mrs. H. C. Cantelow 1940-5-31 3083 Modoc 3 mi. E of Canby. Comment
  POM261273  Crepis occidentalis C. L. Hitchcock 1940-5-27 6706 Modoc 15 miles NE of Alturas. 1677 Comment
  SBBG30620  Crepis occidentalis D. Myrick 1968-6-20 1961 Modoc E edge of Alturas 1332 Comment
  SEINET7881829 Image available Crepis occidentalis subsp. costata Helen K. Sharsmith 1955-1 4485 Modoc just north of Cedar Pass. 1890 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
  UC1191647  Cressa truxillensis Herbert L. Mason 1947-8-15 13541 Modoc e. side Goose Lake (mouth of Crane Creek on Willow Ranch); Willow Ranch, Crane Creek, Goose Lake Comment
  CAS-BOT-BC14834  Crocidium multicaule Bruce Bartholomew 1991-5-25 5749 Modoc Ca. 1 km W of Tionesta. 1320 Comment
  UC31343  Crocidium multicaule Mrs. R. M. Austin 1894-5-1 Modoc Goose Lake Valley Comment
  RSA60364  Crocidium multicaule E. K. Balls 1950-5-10 15956 Modoc Highway 395, 5.5 miles east of Alturas. 1524 Comment
  SD53083  Crocidium multicaule Peter H. Raven 1962-5-29 17897 Modoc State Highway 139 at south road to Lava Beds National Monument. Comment
  SEINET10617304  Crocidium multicaule LeRoy E. Detling 1948-5-24 Detling 6256 Modoc North Fork Pit River. 1463 Comment
  CDA36150  Crupina vulgaris CDFA Staff Jun 1992 Modoc 0 Comment
  JEPS114658  Crypsis alopecuroides Lowell Ahart, John Dittes 2008-8-25 15289 Modoc Near the waters edge, 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
  CAS-BOT-BC54133  Cryptantha ambigua John Thomas Howell 1934-6-30 12297 Modoc Duncan Horse Camp. 1355 Comment
  POM368342  Cryptantha circumscissa Christopher Davidson 1973-5-24 2108 Modoc S of Alturas on Hwy 395 near Likely. 1311 Comment
  CAS-BOT-BC54102  Cryptantha intermedia Harry Dwight Dillon Ripley; Rupert Charles Barneby 1944-5-31 5989 Modoc NW of Alturas. 1371 Comment
  CAS-BOT-BC54116  Cryptantha simulans John Thomas Howell 1934-6-11 11982 Modoc Parker Creek, Warner Mountains 1584 Comment
  HSC3624  Cryptantha simulans M. T. Milligan 1966-8-3 634 Modoc W slope of Eagle Peak Comment
  CAS-BOT-BC54120  Cryptantha sobolifera Bruce Bartholomew 1991-8-5 6052 Modoc Summit Trail between Squaw Peak and Cottenwood Lake, crest of the Warner Mts. 2530 Comment
  POM204142  Cryptantha torreyana J. T. Howell 1934-6-11 11984 Modoc Parker Creek, Warner Mts. 1585 Comment
  RSA176224  Cupressus bakeri C. O. Stone 1963-12-26 278 Modoc On recent lava flow ca. 1 mile S of Gassaway Reservoir 1110 Comment
  UC71718  Cuscuta subinclusa Mrs. M. H. Manning 497 Modoc ne Modoc County Comment
  CAS-BOT-BC21484  Cymopterus terebinthinus var. californicus Bruce Bartholomew 1995-6-1 6921 Modoc 1.3 km E of Day between Day and Lookout on County Road 94. 1200 Comment
  CAS-BOT-BC498670  Cymopterus terebinthinus var. californicus Lillian Mott 1976-5-29 10 LM76 Modoc Devils Garden, north of Alturas 1402 Comment
  UC1100558  Cyperus squarrosus Malcolm A. Nobs and S. Galen Smith 1949-7-20 1053 Modoc 4 mi. w. Adin Comment
  SEINET6627865  Cystopteris fragilis D. A. Charlet 1989-8-16 541 Modoc Warner Mountains, 1.1 kilometers northwest of Eagle Peak 2652 Comment
  UC42490  Cystopteris fragilis Geo. H. Boke 1890-1 Modoc Comment
  CHSC118280  Damasonium californicum L. P. Janeway 2016-5-17 12044 Modoc Modoc Plateau. Devils Garden area; where Road 45N06 crosses Logans Slough; about 3.2 air-km north ofBig Sage Reservoir. 1494 Comment
  CAS-BOT-BC242493  Danthonia californica Leland S. Smith 1917-7-19 119 Modoc Joseph Creek. 1828 Comment
  JEPS68527  Danthonia intermedia Leland S. Smith 1918-1 Modoc Comment
  POM265519  Danthonia unispicata C. L. Hitchcock 1940-5-28 6720 Modoc near Surprise, ca. 15 miles north of Alturas 1402 Comment
  SD34479  Danthonia unispicata A. A. Beetle 1941-6-29 2834 Modoc Near summit of Mt Adin. 1829 Comment
  UC163598  Danthonia unispicata Milo S. Baker Modoc near Egg Lake Comment
  UCR163912  Danthonia unispicata Jim Andre 1993-6-30 1404 Modoc Modoc Plateau, about 10 miles NW of Canby on Hwy 139, near NW end of Oak Ridge 1494 Comment
  CAS-BOT-BC214754  Dasiphora fruticosa Annie Montague Alexander; L. Kellogg 1946-8-9 5141 Modoc Patterson Lake Trail, Warner Mts. Comment
  CAS-BOT-BC49508  Deinandra lobbii Bruce Bartholomew; Barrett Anderson 1990-7-19 5406 Modoc Turner Creek at County Rd 90, N end of Big Valley, 6.4 km N of Lassen County border. 1230 Comment
  SBBG128275  Deinandra lobbii L. Ahart, J. Dittes 2010-8-30 17059 Modoc ca. 5 yards E of the fence, S edge of the meadow, Ash Crk State Wildlife Area, 2300 feet N of Lassen County Line, ca. 3.6 mi W of Adin, ca. 8.0 mi NE of Bieber 1267 Comment
  CAS-BOT-BC217280  Delphinium Bruce Bartholomew 1994-5-29 6731 Modoc Lava fields N of Big Sand Butte. 1270 Comment
  CAS-BOT-BC217341  Delphinium andersonii Bruce Bartholomew; Barrett Anderson 1989-6-2 4810 Modoc NE side of Upper Lake, 4 km S of road to Fee Reservoir, NE end of Surprise Valley. 1420 Comment
  CAS-BOT-BC217338  Delphinium andersonii James Vale; et al 1978-5-1 Modoc Lookout-Hackamore Road, N of Bieber. Comment
  UC9208  Delphinium nudicaule Milo S. Baker 1893-6 Modoc s face of hillside Comment
  CAS-BOT-BC217310  Delphinium nuttallianum Bruce Bartholomew 1991-6-22 5865 Modoc Mill Creek 9.3 km NW of Fort Bidwell, E side of the Warner Mountains. 1860 Comment
  CAS-BOT-BC217333  Delphinium nuttallianum Francis Dorris Payne 1932-5-27 403 Modoc Parker Creek. 1584 Comment
  CAS-BOT-BC217278  Delphinium nuttallianum Leland S. Smith 1920-5-19 1149 Modoc Sears Homestead. 1371 Comment
  CAS-BOT-BC217284  Delphinium stachydeum Bruce Bartholomew 1990-8-5 5670 Modoc Summit Trail, ca. 4 km N of Patterson Ranger Station, W side of Warner Mts. 2470 Comment
  CAS-BOT-BC247774  Deschampsia danthonioides Bruce Bartholomew; Barrett Anderson 1990-7-19 5443 Modoc Sweagert Flat. 1860 Comment
  UCD61404  Deschampsia danthonioides A. A. Beetle 1941-6-29 2838 Modoc South slope of Mt. Adin. Comment
  CAS-BOT-BC247770  Deschampsia elongata Bruce Bartholomew; Barrett Anderson 1988-7-23 4598 Modoc Pine Creek, 4 km E of U.S Highway 395 on the road to Lily Lake, Warner Mts.. 1620 Comment
  UC70674  Deschampsia elongata Mrs. M. H. Manning June 1903 430 Modoc n.e. Modoc Co. Comment
  CAS-BOT-BC58625  Descurainia incisa John Thomas Howell 1934-6-13 12065 Modoc Fandango Pass, Warner Mountains 1828 Comment
  HSC26609  Descurainia pinnata D. H. Norris, T. Nelson, S. Dowty 1971-6-23 19357 Modoc Along the S Fork of the Pit River, ~6 mi. E of Likely. Comment
  UC10818  Descurainia pinnata Milo S. Baker Jun 20 1893-Jul 14 1893 Modoc near Egg Lake Comment
  CAS-BOT-BC58609  Descurainia pinnata subsp. brachycarpa Bruce Bartholomew; Barrett Anderson 1988-5-12 4132 Modoc Clong the N side of the Pit River, 0.5 km W of State Highway 299 on Bushey Road. 1310 Comment
  CAS-BOT-BC58618  Descurainia pinnata subsp. glabra Bruce Bartholomew; M. Gilbert; L. Skog 1993-5-10 6445 Modoc At the Nevada border directly E of Eagleville, E side of Surprise Valley. 1520 Comment
  CAS-BOT-BC58438  Descurainia sophia Francis Dorris Payne 1929-7-6 46 Modoc Parker Creek, Warner Mts. 1584 Comment
  UCD114793  Descurainia sophia Robbins; Raynor 1943-6-1 s.n. Modoc near Likely. Comment
  CAS-BOT-BC190760  Dicentra uniflora Bruce Bartholomew; Mona Bourell 1990-4-27 5196 Modoc Granger Summit Rd, 4 km N of southern turnoff to Deep Creek, Warner Mts. 2130 Comment
  RSA520437  Dicentra uniflora Bruce Bartholomew, M. Bourell 1990-4-28 5205 Modoc Top of Hunters Ridge south of Rush Creek 1960 Comment
  CAS-BOT-BC242122  Dichelostemma capitatum subsp. capitatum Bruce Bartholomew 1994-5-14 6680 Modoc NW of Day between Oilar Ranch and Day Rock. 1190 Comment
  CHSC70482  Dichelostemma multiflorum A. Sanger 1997-6-24 2545 Modoc Across the road west of McKay Flat in CALO exclosure. 1450 Comment
  HSC5092  Dieteria canescens var. shastensis M. S. Baker 1893-1 Modoc Egg Lake Comment
  UC469011  Dieteria canescens var. shastensis Franklin P. Nutting Modoc Forrestdale Comment
  CAS-BOT-BC14845  Dimeresia howellii James Vale; Keith Wagnon; Walter Knight; Irja Knight 1981-5-21 4127 Modoc Near Cedar Mountain, about one mile from Stowe Reservoir Road which begins at Hwy. 299, just east of Cedar pass summit 2133 Comment
  JEPS30363  Dimeresia howellii Peter H. Raven 1962-5-29 17879 Modoc 3.4 mi e Cedar Pass (in canyon s of highway); Warner Mountains Comment
  CAS-BOT-BC229911  Diplacus cusickioides K. Paulson; Robert Paulson 1989-7-18 199 Modoc Vicinity of Granger Creek, E side of Warner Mts. 1493 Comment
  CAS-BOT-BC234455  Diplacus nanus Bruce Bartholomew 1990-6-15 5215 Modoc SW side of of Hunters Ridge, 6.3 km SSE of Hwy 299 on road from Rush Creek. 1640 Comment
  CAS-BOT-BC234456  Diplacus nanus Bruce Bartholomew 1991-5-25 5767 Modoc 8 km E of Likely on road to Jess Valley, N side of road along N side of S Fork of Pit River. 1460 Comment
  SEINET195163 Image available Diplacus nanus Annie M. Alexander, Louise Kellogg 1946-1 5075 Modoc Horse Mountain, Warner Mts. Comment
  CAS-BOT-BC234490  Diplacus nanus Mrs. H. C. Cantelow 1935-6-8 980 Modoc S of Malin. Comment
  CAS-BOT-BC234438  Diplacus tricolor Bruce Bartholomew 1993-6-12 6599 Modoc Edge of White Horse Reservoir near McArther Cow Camp. 1350 Comment
  CAS-BOT-BC95630  Dipsacus fullonum Bruce Bartholomew 1995-8-1 7141 Modoc 14.8 km N of turn off to Cedarville on U.S. Hwy 395 and 8 km S of Davis Creek. 1450 Comment
  CAS-BOT-BC218295  Dodecatheon alpinum Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-14 16483 Modoc 6.4 mi. S of Lassen Creek campground along road to Buck Mt. Comment
  CAS-BOT-BC218296  Dodecatheon alpinum Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10524 Modoc Patterson Ranger Station (East Creek drainage). 2164 Comment
  JEPS3940  Dodecatheon alpinum N. T. Mirov 1929-7-4 Modoc about one mi s Oregon-California boundary (Lily Lake, Warner Mountains); Warner Mountains, Lily Lake 2133 Comment
  UC559940  Dodecatheon conjugens Leo D. Whitney 1935-5-19 3108 Modoc near Hackamore (edge of river); Hackamore River Comment
  UC105785 Image available Dodecatheon conjugens Mrs. R. M. Austin June 1894 174 Modoc Lava Beds , Lava Beds (Juniper Groves) Comment
  CAS-BOT-BC218268  Dodecatheon conjugens var. conjugens F. Angwin 1946-4-13 Modoc Big Valley, 2 mi. NW of Adin. 1280 Comment
  CAS-BOT-BC218271  Dodecatheon conjugens var. conjugens Edward Kent Balls 1950-5-17 14737 Modoc Howard's Gulch Public Camp, off Hwy 139, NW of Canby. 1432 Comment
  CHSC118306  Dodecatheon pulchellum L. P. Janeway 2016-5-18 12071 Modoc Modoc Plateau. Devils Garden area; Island Meadow, along Road 47N08 2.1 road-km north of Road 73/181/47N09. 1606 Comment
  CAS-BOT-BC95114  Downingia bacigalupii Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-15 16515 Modoc 13 mi. W of Canby along State Hwy 139. Comment
  CHSC14087  Downingia bacigalupii K. R. Stern; D. B. Joley, J. G. Geschke 1974-6-23 5827 Modoc Dry vernal pool on e side of railroad tracks, on n side of Whitehorse-Lookout Road. Comment
  UC1608315  Downingia bacigalupii J. Kierstead 1991-7-5 91 -97 Modoc 1.9 mi nw town of Day Comment
  UC187453  Downingia bacigalupii Milo S. Baker 1893-7-25 Modoc near shore of Egg Lake Comment
  CHSC85120  Downingia bicornuta var. bicornuta John Dittes; Josephine Guardino 1991-7-21 415 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
  HSC26586  Downingia elegans D. H. Norris, S. Dowty, Thomas W. Nelson 1971-6-23 19498 Modoc Big Valley Summit, 6 mi. W of Adin on Hwy. 299 Comment
  CAS-BOT-BC95137  Downingia insignis Rimo Carlo Felice Bacigalupi; G. Smith 1957-6-28 5988 Modoc Along railroad, 0.8 mi. E of Canby. 1219 Comment
  CAS-BOT-BC95141  Downingia insignis Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-16 16521 Modoc Near Cloverswale Creek, 4.8 mi. NE of Canby. 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
  SFV3646  Downingia insignis I. L. Wiggins, D. B. Wiggins 1961-6-16 16524 Modoc Roadside ditch in northern outskirts of Canby. 1310 Comment
  RSA149140  Downingia insignis I. L. Wiggins, Dorothy Wiggins 1961-6-16 16524 Modoc Northern outskirts of Canby. Comment
  RSA149141  Downingia insignis I. L. Wiggins, Dorothy Wiggins 1961-6-16 16521 Modoc Near Cloverswale Creek, 4.8 miles NE of Canby Comment
  CAS-BOT-BC58296  Draba albertina Annie Montague Alexander; L. Kellogg 1946-8-3 5112 Modoc Head of Eagle Creek, Warner Mts. Comment
  HSC68843  Draba albertina Gary Schoolcraft 1980-7-22 328 Modoc Near Benton Meadows at top of Lake City Canyon 2195 Comment
  UC1446114  Draba albertina Gary Schoolcraft 1979-8-8 169 Modoc sw edge of Benton Meadow near center of length; sw edge of Benton Meadow nr center of length 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
  UC748058  Drymocallis Annie M. Alexander and Louise Kellogg 1946-7-23 5051 Modoc ne slope Emerson Peak; Warner Mountains Comment
  CAS-BOT-BC214763  Drymocallis glandulosa K. Paulson; Robert Paulson 1989-5-21 119 Modoc Near Fletcher Creek, Crowder Flat Road. 1341 Comment
  CAS-BOT-BC214771  Drymocallis glandulosa Leland S. Smith 1918-6-23 954 Modoc Below Lily Lake - High Grade distriict. 2133 Comment
  HSC27396  Drymocallis glandulosa D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19519 Modoc Big Valley Summit, 6 mi. W of Adin on Hwy. 299 Comment
  HSC18759  Drymocallis glandulosa M. T. Milligan 1965-6-27 367 Modoc E slope of eroded volcanic plateau. 1677 Comment
  UC12533  Drymocallis lactea Milo S. Baker 1893-6-28 Modoc Comment
  CAS-BOT-BC14803  Dugaldia hoopesii Annie Montague Alexander; L. Kellogg 1946-8-3 5114 Modoc Head of Eagle Creek, Warner Mountains Comment
  UCD61052  Echinochloa esculenta Dr. Gaso 1932-10-1 s.n. Modoc Alturas. Comment
  CAS-BOT-BC95641  Elatine Louis Cutter Wheeler 1935-8-3 3763 Modoc Pine Creek, Warner Mts. 1737 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
  CHSC117369  Elatine californica Lowell Ahart; John Dittes 2016-7-14 21211 A Modoc Strand of a new pond, south of Ash Creek Canal (now filled in), south of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. 1273 Comment
  RSA210828  Elatine rubella R. F. Thorne, James Henrickson, C. W. Tilforth, K. Thorne 1969-9-4 39103 Modoc N Fork of Pit River 3.4 mi N of Alturas where crossed by Hwy 395. 1341 Comment
  RSA0106689  Eleocharis acicularis Lowell Ahart, John Dittes 2013-7-25 18967 Modoc West of where the road crossed, about 50 yards west of the north-south fence, south edge of Ash Creek Floodplain, northwest of Patterson Homestead, east of Elkins Lane, 1.0 (air) mile south of County Road 87, 3.14 miles (air) west of Adin, Big Valley. 1268 Comment
  CHSC99268  Eleocharis acicularis var. acicularis Lowell Ahart; John Dittes 2008-6-21 14992 Modoc In the drying pond north of the large culvert, east of the large levee, mountain meadow, in Big Valley about 2.8 miles (air) north of the Headquarters at Ash Creek State Wildlife Area, about 5.4 miles (air) northeast of Bieber. 1255 Comment
  POM172483  Eleocharis bella Franklin P. Nutting 1894-8-20 s.n. Modoc Forestdale [sw Modoc Co; 160 acres of woodland & meadow, owned by M. S. Baker family, 12 mi w of Lookout, a small village on Pit river; = Baker Place of Modoc National Forest map (1941)., Adjacent to Taylor Mt (original location of Forestdale) (Jepson Herbarium Place Name Index)] 1372 Comment
  CAS-BOT-BC242384  Eleocharis bolanderi Milo Samuel Baker 1894-6-9 2254 Modoc Near Forestdale. Comment
  CAS-BOT-BC242380  Eleocharis coloradoensis Verne Grant; I. Schneider 1947-7-19 8081 Modoc Williams Ranch, N of Likely. Comment
  UC1100602  Eleocharis engelmannii var. detonsa Herbert L. Mason 1947-8-13 13525 Modoc N of Canby, NE side of F reservoir Comment
  CAS-BOT-BC112782  Eleocharis macrostachya R. F. Thorne; C. W. Tilforth 1969-9-5 39180 Modoc Wet margin of S Fork of Pit River at bridge, 3.8 mi E of Likely. 1386 Comment
  SD225711  Eleocharis pachycarpa Carol Witham, Jennifer Buck 2001-5-10 203 Modoc 5 miles NE along Hwy 139 from intersection with Hwy 299, south of Hwy 139, Canby site, pool #CAN001. Comment
  UC698625  Eleocharis quinqueflora Louis C. Wheeler 1935-8-15 3862 Modoc Dismal Swamp, Twenty Mile Creek Warner Mountains 2225 Comment
  CAS-BOT-BC245108  Elodea canadensis Milo Samuel Baker 1899-8-12 5481 Modoc Egg Lake. Comment
  UC1100131  Elodea canadensis Verne Grant and Irving Schneider 1947-8-28 8348 Modoc about 3.5 mi downstream Canby (Pit River, at entrance to gorge); Pit River Comment
  UCD62823  Elymus X saundersii L. Whitney 1935-7-1 3374 Modoc Hackamore River, Hackamore, ca. 15 miles northwest of Canby, Modoc National Forest. 1463 Comment
  RSA163810  Elymus elymoides Clare B. Hardham 1961-6-19 7855 Modoc Warner Mountains: Lava fields; Willow Creek Comment
  UCD61567  Elymus elymoides L. D. Whitney 1935-7-11 Modoc Base of Glass Mt. Comment
  CHSC85407  Elymus elymoides subsp. californicus John Dittes; Josephine Guardino 1991-6-1 363 Modoc Modoc Plateau; Big Valley; Ash Creek Wildlife Area; ca. 7.7 air-miles northeast of Bieber, ca. 4.0 air-miles west by southwest of Adin, ca. 5.0 air-mile east by southeast of Pilot Butte summit, ca. 0.6 mile east of Walters Road and Owl Barn. Meadow at southern edge of Ash Creek Floodplain. 1271 Comment
  CAS-BOT-BC247746  Elymus elymoides subsp. elymoides Clare Butterworth Hardham 1961-6-20 7871 Modoc Pine Creek. Comment
  CAS-BOT-BC247751  Elymus elymoides subsp. elymoides Bruce Bartholomew; Barrett Anderson 1988-7-21 4452 Modoc Vicinity of Patterson Campground, southern end of the Warner Mts. 2190 Comment
  JEPS75402  Elymus elymoides subsp. elymoides Frances D. Payne 1932-7-3 594 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  JEPS70708  Elymus elymoides subsp. elymoides L. S. Smith 1937-7-11 97 Modoc Granger Mill Camp Warner Mts. 1828 Comment
  CHSC34510  Elymus elymoides subsp. hordeoides J. D. Prouty 1980-8-9 1149 Modoc Ca. 2 mi e of Cedarville, n side of Rd 299 as it intersects w margin of Middle Alkali Lake. Comment
  HSC10953  Elymus elymoides var. elymoides M. T. Milligan 1966-8-3 629 Modoc West slope of Eagle Peak. 2439 Comment
  UCD61695  Elymus glaucus Beecher Crampton; Carl Rimbey 1954-7-6 2107 Modoc 20 miles E of Alturas. Warner Mountains. Above Shields Creek. 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
  CHSC112390  Elymus spicatus L. P. Janeway; B. Castro 2014-6-3 11316 Modoc Great Basin. Top of knoll between the lower end of Long Canyon and the lower end of Poison Springs Canyon, overlooking north end of Surprise Valley. 1567 Comment
  CAS-BOT-BC247725  Elymus trachycaulus subsp. trachycaulus Louis Cutter Wheeler 1935-8-4 3780 Modoc Pine Creek. 2103 Comment
  CAS-BOT-BC247726  Elymus trachycaulus subsp. trachycaulus Bruce Bartholomew 1990-8-5 5665 Modoc Summit Trail, ca. 3 km N of Patterson Ranger Station, W side of Warner Mts. 2440 Comment
  UCD62689  Elymus trachycaulus subsp. trachycaulus Hursh 1919-10-30 X 3322 Modoc Alturas. Comment
  HSC8754  Elymus trachycaulus subsp. trachycaulus M. T. Milligan 1964-8-8 221 Modoc 3 miles W of Alturas on Modoc County Rd. 54A at Rifle Range. 1372 Comment
  CHSC106190  Elymus triticoides Lowell Ahart; John Dittes 2010-8-31 17131 Modoc West side of Elkins Lane, about 10 yards south of the bridge across Ash Creek, Ash Creek State Wildlife Area, 4215 feet north of Lassen County line, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  HSC9740  Elymus triticoides M. T. Milligan 1965-6-26 347 Modoc N end Jess Valley. 1616 Comment
  CAS-BOT-BC191037  Epilobium angustifolium subsp. circumvagum Bruce Bartholomew 1991-7-6 5971 Modoc 0.8 km NE of Curtis Waterhole. 1310 Comment
  CAS-BOT-BC191039  Epilobium angustifolium subsp. circumvagum Leland S. Smith 1919-7-1 980 Modoc Coyote Creek, Warner Mts. 1828 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
  CHSC109517  Epilobium brachycarpum L. P. Janeway; B. Castro 2012-7-25 10995 Modoc Warner Mountains. Along Twelve Mile Creek 3.5 air mi east-southeast of Dismal Swamp and 2.7 air km norhteast of Mount Bidwell. 2182 Comment
  JEPS103207  Epilobium brachycarpum G. Schoolcraft 1993-8-2 2340 Modoc Near intersection of hwy 395 and 299 e of Altruas 1371 Comment
  JEPS114669  Epilobium brachycarpum Lowell Ahart, John Dittes 2008-8-25 15277 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 1276 Comment
  CAS-BOT-BC497199  Epilobium brachycarpum John H. Hatton 1911-6-24 162 Modoc Modoc Forest 1493 Comment
  RSA462344  Epilobium brachycarpum Harlan Lewis, M. Lewis 1958-8-10 1227 Modoc U.S. Highway 395, Goose Lake Valley Comment
  UC1191715  Epilobium brachycarpum Herbert L. Mason 1947-8-8 13458 Modoc n Big Sage Reservoir (nw of Alturas); Ingalls Swamp Comment
  CHSC106344  Epilobium campestre Lowell Ahart; John Dittes 2010-8-30 17058 Modoc About 10 yards west of the fence, south edge of the meadow, Ash Creek State Wildlife Area, 2,300 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  UC1191619  Epilobium campestre Verne Grant and Irving Schneider 1947-7-18 8049 Modoc 5 mi n Bayley's Bridge (s of Alturas); Eastside Canal Comment
  UC1191576  Epilobium campestre Herbert L. Mason 1947-8-15 13563 Modoc 11 mi from Davis Creek; Goose Lake, spring leading into w side Comment
  HSC16364  Epilobium ciliatum subsp. ciliatum M. T. Milligan 1966-7-25 570 Modoc E of Jess Valley 1646 Comment
  CAS-BOT-BC497313  Epilobium ciliatum subsp. ciliatum Belknap C. Goldsmith 1912-8-6 83 Modoc West side of Goose Lake 1463 Comment
  UC1191704  Epilobium ciliatum subsp. ciliatum Verne Grant and Irving Schneider 1947-7-19 8059 Modoc about 1 mi s Bayley's bridge (s of Alturas); Eastside canal Comment
  UC1191744  Epilobium ciliatum subsp. ciliatum Verne Grant and Irving Schneider 1947-8-28 8340 Modoc nw Alturas; Jack Swamp Comment
  CAS-BOT-BC190984  Epilobium ciliatum subsp. glandulosum Elmer Ivan Applegate 1932-8-7 8243 Modoc Lily Lake. Comment
  UC748258  Epilobium ciliatum subsp. glandulosum Annie M. Alexander and Louise Kellogg 1946-7-11 4695 Modoc slope w Eight Mile Creek (ne corner of county) Comment
  CAS-BOT-BC190972  Epilobium densiflorum Bruce Bartholomew 1990-8-3 5604 Modoc Ash Creek Wildlife Refuge, ca. 2.5 km S of County Road 87 and 7 km W of Adin. 1250 Comment
  CAS-BOT-BC190978  Epilobium densiflorum Bruce Bartholomew 1991-8-4 6008 Modoc Kelly Draw, Round Valley, 2 km E of Hwy 299 on County Road 86. 1310 Comment
  JEPS114430  Epilobium densiflorum Lowell Ahart, John Dittes 2008-8-26 15341 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
  CAS-BOT-BC190961  Epilobium hallianum Bruce Bartholomew 1991-8-5 6042 Modoc Squaw Peak Trail on N side of Squaw Peak, E side of Warner Mts. 2420 Comment
  CAS-BOT-BC498683  Epilobium hornemannii Elmer I. Applegate 1932-8-2 8081 Modoc Mill Creek Meadows, Warner Mts. Comment
  CHSC113071  Epilobium minutum Lowell Ahart; John Dittes 2013-7-24 18926 Modoc Near a man made pond, about 50 yards south of the levee road, north side of Ash Creek Floodplain, 0.54 mile (air) southeast of Pilot Butte Parking Area, 1.1 miles (air) south of County Road 87, 6.8 miles (air) west of Adin, Big Valley. 1263 Comment
  CAS-BOT-BC190947  Epilobium obcordatum Bruce Bartholomew 1990-8-4 5630 Modoc Crest of the Warner Mts., ca. 0.5 km SE of Patterson Lake along Summit Trail. 2770 Comment
  CAS-BOT-BC190949  Epilobium obcordatum Leland S. Smith 1917-7-19 115 Modoc Cedar Peak. 2438 Comment
  SJSU9666  Epilobium pallidum W. Savage 1979-7-9 1511 Modoc by ranch house Round Valley, Triangle, Devils Garden District, Modoc National Forest 1493 Comment
  CAS-BOT-BC190870  Epilobium pygmaeum Bruce Bartholomew 1990-8-3 5618 Modoc Bear Flat, W side of Warner Mts. 1830 Comment
  CAS-BOT-BC190874  Epilobium pygmaeum D. M. Moore 1960-6-4 117 Modoc 2.1 mi. W of Davis Creek on road to W side of Goose Lake. Comment
  UC4491  Epipactis gigantea M. S. Baker and Frank Nutting 1894-6-30 Modoc near Lookout; Big Valley Comment
  CAS-BOT-BC30224  Equisetum arvense Alice Eastwood; John Thomas Howell 1940-6-13 8182 Modoc E side of Cedar Pass. Comment
  CAS-BOT-BC30184  Equisetum laevigatum Bruce Bartholomew; M; M. Gilbert; L. E. Skog 1993-5-13 6543 Modoc 8 km E of Likely along S Fork of Pit River. 1380 Comment
  UC1037343  Eragrostis mexicana subsp. virescens Leo Whitney 1935-8-24 100 Modoc Comment
  CAS-BOT-BC95496  Eremogone aculeata Francis Dorris Payne 1929-7-26 s.n. Modoc Mt. Warren, Warner Mts. Comment
  JEPS120493  Eremogone aculeata L. P. Janeway, B. Castro 2012-7-26 11014 Modoc Warner Mountains. Top of Yellow Mountain; topmost part and western edge (at the edge of a steep dropoff to the northwest). Comment
  HSC4050  Eremogone aculeata M. T. Milligan 1964-6-20 70 Modoc 4 mi. E of Hwy. 395 on Hwy. 299 1524 Comment
  CAS-BOT-BC95445  Eremogone congesta Bruce Bartholomew; Barrett Anderson 1990-7-20 5458 Modoc 4 km N of Buck Creek Ranger Station at turn off to Del Prat Spring, W side of Warner Mts. 1900 Comment
  UCD98091  Eremogone congesta Beecher Crampton 1960-6-17 5698 Modoc McKay Flat, 13 miles west of Canby, 2.5 miles northeast of Happy Camp Station. 1280 Comment
  CAS-BOT-BC95452  Eremogone congesta John H. Hatton 1911-6-12 41 Modoc Modoc County. 1524 Comment
  CAS-BOT-BC95460  Eremogone congesta Gregg M. Riegel 1980-7-28 949 Modoc unspecified 2415 Comment
  RSA602677  Eriastrum sparsiflorum L. C. Wheeler 1935-8-2 3747 Modoc Twelve Mile Creek, Warner Mts. 2287 Comment
  CAS-BOT-BC14810  Ericameria bloomeri Harvey Monroe Hall 1921-9-9 11667 Modoc Northern Modoc County. Comment
  UC711835  Ericameria greenei Roxana S. Ferris and Laura Lorraine 1941-8-14 10618 Modoc summit Fandango Pass (on road between Fort Bidwell and Pine Creek); Modoc National Forest, Warner Mountains 1889 Comment
  CAS-BOT-BC14817  Ericameria greenei Harvey Monroe Hall 1925-8-30 12209 Modoc Mt. slopes, E side Goose Lake. Comment
  CAS-BOT-BC287484  Ericameria greenei Roxana S. Ferris; Laura Lorraine 1941-8-14 10618 Modoc Summit of Fandango Pass, on road between Fort Bidwell and Pine Creek, Warner Mts, Modoc National Forest 1889 Comment
  CHSC85397  Ericameria nauseosa var. oreophila John Dittes; Josephine Guardino 1991-8-24 464 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
  UCD131477  Ericameria nauseosa var. oreophila K. M. Meyer; A. Townesmith 2007-9-16 212 Modoc Modoc National Forest, going E on Highway 299, 5.1 miles from the start of NF. Lower, Cedar Creek interpretive trail. 1622 Comment
  CAS-BOT-BC298191  Ericameria nauseosa var. oreophila Isabel T. Kelly 1930-1-1 56 Modoc Fort Bidwell Comment
  UC71702  Ericameria nauseosa var. speciosa Mrs. M. H. Manning 1902-10-1 14 Modoc Comment
  JEPS4046  Ericameria parryi var. nevadensis Frances D. Payne 1935-8-25 809 Modoc s and e of Alturas; Warner Mountains, Parker Creek 1584 Comment
  CAS-BOT-BC42831  Erigeron austiniae Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16371 Modoc Junction of Cedar Pass road and Hwy 299, 5.5 miles north of Alturas Comment
  CAS-BOT-BC42840  Erigeron austiniae Bruce Bartholomew 1993-6-14 6650 Modoc 2 km E of County Road 114 on County Road 108, NW of Clear Lake Reservoir. 1320 Comment
  HSC28523  Erigeron bloomeri var. bloomeri D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19386 Modoc Along Hager Basin Rd. near Big Sage Reservoir. Comment
  UC1037318  Erigeron bloomeri var. bloomeri Leo Whitney 1934-5-13 1858 Modoc Timbered Mountain Modoc National Forest, Devil's Garden, Timbered Mountain 1524 Comment
  UC87550  Erigeron chrysopsidis var. austiniae Mrs. R. M. Austin 1894-5-1 84 Modoc Lassen Creek Comment
  UC895684  Erigeron chrysopsidis var. austiniae Lewis S. Rose 1940-6-12 40542 Modoc 9 mi ne Alturas; Cedar Pass Rd 152 Comment
  CAS-BOT-BC42815  Erigeron compositus Leland S. Smith 1917-7-2 64 Modoc Slopes of Mt. Warren, Warner Mountains, Modoc National Forest 2682 Comment
  CAS-BOT-BC42777  Erigeron divergens Annie M. Alexander; Louise Kellogg 1946-6-4 4658 Modoc Eagleville. Comment
  UC1101510  Erigeron divergens Herbert L. Mason and Verne Grant 1947-7-10 13340 Modoc 2 mi e Alturas; Dorris Reservoir Comment
  CDA19673  Erigeron divergens G. D. Barbe 1991-8-28 4446 Modoc Modoc Plateau; Modoc National Forest. Kelley Spring site, n of Adin. 3.4 mi from Hwy 299 at Rush Creek, on Primary Forest Service Rd 22 and Rd 40N33. 1645 Comment
  JEPS5927  Erigeron divergens Frances D. Payne 1931-6-18 195 Modoc Parker Creek watershed Warner Mountains 1584 Comment
  POM36264  Erigeron divergens Mrs. R. M. Austin 555 Modoc Goose Lake Valley Comment
  UC468814  Erigeron divergens M. F. Gilman 658 Modoc Comment
  UC748101  Erigeron divergens Annie M. Alexander and Louise Kellogg 1946-6-4 4658 Modoc in pasture in back of town Eagleville Comment
  SEINET230766  Erigeron eatonii Margaret J. Williams 1984-6-28 84- 67 -2 Modoc 2 miles North of intersection between Soldier Creek and Old Cannon Mill roads. Warner Mountains North of Cedar Pass. Comment
  CAS-BOT-BC42795  Erigeron eatonii var. plantagineus Mrs. H. C. Cantelow 1941-5-23 s.n. Modoc Hwy 299 just E of Adin Pass Summit. 1576 Comment
  CHSC117858  Erigeron eatonii var. plantagineus L. P. Janeway 2016-5-16 11991 Modoc Modoc Plateau. Devils Garden area; along Road 47N07 1.8 road-km south of Road 181/73/47N09. 1573 Comment
  JEPS13334  Erigeron eatonii var. plantagineus Rimo Bacigalupi with G. Thomas Robbins 1955-7-20 5394 Modoc summit of forest road 3.3 mi e Patterson Ranger Station; southern End of Warner Mts., Modoc Nat. Forest 2225 Comment
  CAS-BOT-BC42768  Erigeron elegantulus Bruce Bartholomew 1991-6-20 5779 Modoc 9.8 km E of junction of county roads 87 and 90. 1250 Comment
  CAS-BOT-BC49627  Erigeron filifolius Roxana Stinchfield Ferris; L. Lorraine 1941-8-14 10611 Modoc Summit of Fandango Pass, on road between Fort Bidwell and Pine Creek, Warner Mountains, Modoc N.F. 1889 Comment
  POM203066  Erigeron filifolius J. T. Howell 1934-6-30 12283 Modoc Duncan Horse Camp. Comment
  JEPS5925  Erigeron glacialis var. glacialis Frances D. Payne 1931-6-25 263 Modoc 2 mi sw Warren Peak; Warner Mts., Pine Creek Basin 2316 Comment
  CAS-BOT-BC49616  Erigeron glacialis var. glacialis Leland S. Smith 1917-7-20 116 Modoc Cedar and Bald Mts, top of ridge 2499 Comment
  JEPS41394  Erigeron glacialis var. glacialis M. F. Gilman 603 Modoc Modoc Mts. 1828 Comment
  UC71822  Erigeron inornatus var. inornatus Mrs. M. H. Manning 1903-8-22 293 Modoc Warner Range Warner Range (ne Modoc County) Comment
  UC748495  Erigeron inornatus var. inornatus Annie M. Alexander and Louise Kellogg 1946-8-9 5148 Modoc Patterson Lake Trial Warner Mountains Comment
  CAS-BOT-BC49604  Erigeron linearis R. M. Austin; C. C. (Mrs.) Bruce 1898-7-1 2187 Modoc Modoc County. Comment
  CAS-BOT-BC49648  Erigeron linearis Alice Eastwood; John Thomas Howell 1940-6-12 8104 A Modoc W side of Cedar Pass. Comment
  CHSC118316  Erigeron linearis L. P. Janeway 2016-5-17 12032 Modoc Devils Garden area; along Road 43N18 just east of Porcupine Rim; about 4.0 air-km west of Big Sage Reservoir. 1555 Comment
  RSA554794  Erigeron linearis Margaret J. Williams 1988-5-30 88- 26 -3 Modoc Jess Valley, S of roadside rest. 1524 Comment
  UC748379  Erigeron linearis Annie M. Alexander and Louise Kellogg 1946-6-10 4719 Modoc lava bench between Lower and Snake Lake (slope facing Lower Lake) Comment
  CAS-BOT-BC49582  Erigeron philadelphicus Bruce Bartholomew; Barrett Anderson 1988-6-24 4355 Modoc 9.8 km SW of County road 1 on County Road 42, E side of the Warner Mts.. 1960 Comment
  CAS-BOT-BC49584  Erigeron pumilus subsp. intermedius Mrs. H. C. Cantelow 1935-6-8 863 Modoc unspecified Comment
  JEPS89672  Erigeron tener Dean Wm. Taylor with Glenn L. Clifton 1989-8-5 10444 Modoc cirque headwall above South Emerson Lake (Emerson Creek drainage); Warner Mountains 2560 Comment
  CAS-BOT-BC497225  Eriogonum caespitosum Margaret J. Williams 1988-5-30 88- 26 -8 Modoc Jess Valley, E of Likely, S of roadside rest. 1524 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
  SBBG89595  Eriogonum heracleoides G. R. Ballmer 1988-7-21 Modoc Bidwell Mtn, approximately 3 mi S of Oregon border Comment
  CAS-BOT-BC197815  Eriogonum heracleoides var. heracleoides Bruce Bartholomew; Barrett Anderson 1990-7-20 5483 Modoc 10.3 km N of Buck Creek Ranger Station, crest of Warner Mountains W side of Warner Mts. 2130 Comment
  CAS-BOT-BC197816  Eriogonum heracleoides var. heracleoides Annie Montague Alexander; L. Kellogg 1946-7-11 4967 Modoc Eight Mile Creek, northeast corner of county. 1752 Comment
  CHSC109507  Eriogonum heracleoides var. heracleoides L. P. Janeway; B. Castro 2012-7-26 11001 Modoc Warner Mountains. Along Highgrade National Recreation Trail 0.9 km south of Little Lily Lake and 1.4 air km north of Mt. Vida. 2340 Comment
  RSA509466  Eriogonum heracleoides var. heracleoides G. R. Ballmer 1988-7-21 s.n. Modoc Warner Mountains, Bidwell Mounatain, approx. 3 miles S of Oregon border in extreme NE corner of state Comment
  UC585249  Eriogonum heracleoides var. heracleoides E. B. Babcock, G. L. Stebbins Jr. 1936-6-9 1816 Modoc about 3 mi w Cedarville; Warner Mountains, Cedar Creek Canyon Comment
  CAS-BOT-BC197801  Eriogonum microthecum var. microthecum John Thomas Howell 1934-6-13 12098 Modoc Patterson Mill Road, Warner Mts. 1676 Comment
  CAS-BOT-BC211407  Eriogonum nudum var. pubiflorum J. L. Gentry; E. Jensen 1968-7-4 2114 Modoc 3.9 miles W of Hwy. jct. Calif. 139 and Calif. 299, on Calif. 299 at Pit River. 1341 Comment
  CAS-BOT-BC211409  Eriogonum nudum var. pubiflorum Bruce Bartholomew; Barrett Anderson 1990-7-21 5552 Modoc W edge of Middle Alkali Lake, directly E of Cedarville, Surprise Valley. 1370 Comment
  CAS-BOT-BC211443  Eriogonum nudum var. pubiflorum Roxana Stinchfield Ferris; R. Duthie 1919-6-15 190 Modoc Above Parker Creek near Modoc Nat. Forest. Comment
  NY716885  Eriogonum nudum var. pubiflorum R. R. Halse 2004-7-22 6671 Modoc Along U. S. Highway 395, ca. 6 miles north of Aturas 1341 Comment
  UC1075727  Eriogonum nudum var. pubiflorum Robert J. Weatherby 1955-7-8 1637 Modoc 3 mi n Ft. Bidwell; northern Warner Mts. 1554 Comment
  UCD100701  Eriogonum nudum var. pubiflorum Johnnie L. Gentry Jr.; Earl Jensen Jr. 1968-7-4 2114 Modoc 3.9 miles west of Hwy. jct. CA-139 and CA-299, on CA-299 at Pit River. 1341 Comment
  RSA614431  Eriogonum nudum var. pubiflorum R. R. Halse 1991-7-28 4244 Modoc Along State Highway 139, 13 miles NW of its junction with State Highway 299 1469 Comment
  UC727132  Eriogonum nudum var. pubiflorum A. A. Heller 1941-6-26 16222 Modoc 4 mi w along U.S. Highway #299 Canby 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
  CAS-BOT-BC211399  Eriogonum ovalifolium var. ovalifolium Bruce Bartholomew 1991-5-24 5711 Modoc Surprise Valley, E of Eagleville at the Nevada State boundary. 1520 Comment
  HSC75590  Eriogonum spergulinum var. reddingianum G. M. Riegel 1980-8-6 1000 Modoc South Warner Mtns. 1670 Comment
  HSC81002  Eriogonum spergulinum var. reddingianum G. M. Riegel 1979-7-30 622 Modoc S Warner Mtns. 1829 Comment
  RSA32928  Eriogonum sphaerocephalum A. A. Heller 1938-6-24 s.n. Modoc Occasional clumps on open gravelly slopes in clay soil between Altures and Candy on U.S. Highway #299. Comment
  UCD101199  Eriogonum sphaerocephalum Beecher Crampton; Carl Rimbey 1954-7-6 2122 Modoc 6 miles east of Alturas, along road 56, Collis Ranch. Comment
  RSA0028054  Eriogonum sphaerocephalum John F. Emmel 1997-6-8 1496 Modoc 3 to 4 road miles east of Hwy. 395 on Hwy. 299 (Cedarville Road). 1524 Comment
  CAS-BOT-BC211422  Eriogonum sphaerocephalum var. halimioides Annie Montague Alexander; L. Kellogg 1946-8-8 5124 Modoc Patterson Lake Trail, Warner Mts. Comment
  CHSC114015  Eriogonum sphaerocephalum var. halimioides L. P. Janeway 2014-7-7 11439 Modoc Warner Mountains. East side of crest of Warner Mountains 2.3 air-km east of Cedar Pass; along Road 43N07 1.4 road-km east of Stough Reservoir. 2000 Comment
  SEINET3160082  Eriogonum sphaerocephalum var. halimioides L. S. Rose 1940-6-11 40510 Modoc Indian Spring, 7 mi. n. of Adin 1524 Comment
  UC1483805  Eriogonum sphaerocephalum var. halimioides G. Schoolcraft 1979-6-15 63 Modoc 4 mi n Hwy. 299 (on e side of Hwy. 395) 1402 Comment
  UC6459  Eriogonum sphaerocephalum var. halimioides M. S. Baker and Frank Nutting June 1894 Modoc near Egg Lake Comment
  UC849733  Eriogonum sphaerocephalum var. halimioides A. A. Heller 1938-6-24 15224 Modoc between Alturas and Canby 1341 Comment
  CDA22659  Eriogonum sphaerocephalum var. halimioides T. C. Fuller 1959-7-8 Modoc Top of grade, Howard Canyon, 8 miles north of Canby. 0 Comment
  CAS-BOT-BC211353  Eriogonum strictum subsp. anserinum Louis Cutter Wheeler 1935-8-5 3790 Modoc Pine Creek, Warner Mts. 2377 Comment
  CAS-BOT-BC211360  Eriogonum strictum subsp. anserinum Annie Montague Alexander; L. Kellogg 1946-7-24 5072 Modoc Horse Mountain, Warner Mts. Comment
  CAS-BOT-BC211364  Eriogonum strictum subsp. anserinum Louis Cutter Wheeler 1935-8-5 3790 Modoc Pine Creek, Warner Mts. 2377 Comment
  CHSC32965  Eriogonum umbellatum var. dichrocephalum J. P. Smith; J. O. Sawyer 1973-8-8 7230 Modoc At or near the summit of Eagle Peak. 2987 Comment
  NY399145  Eriogonum umbellatum var. dichrocephalum N. H. Holmgren 1964-8-22 1720 Modoc Warner Range, just below the top of Eagle Peak 3027.9 Comment
  NY399399  Eriogonum umbellatum var. dichrocephalum L. C. Wheeler 1935-8-14 3843 Modoc Pine Creek, Warner Mountains 2011.7 Comment
  UC412866  Eriogonum umbellatum var. glaberrimum M. F. Gilman 601 Modoc 1676 Comment
  RSA318709  Eriogonum umbellatum var. hausknechtii J. P. Smith, J. O. Sawyer 1973-8-8 7230 Modoc At or near the summit of Eagle Peak. 2988 Comment
  NY399210  Eriogonum umbellatum var. modocense J. L. Reveal 1971-6-22 2461 Modoc Along U.S. highway 395 at Davis Creek 1453.9 Comment
  RSA420579  Eriogonum umbellatum var. modocense Christopher Davidson 1973-5-26 2144 Modoc 1 mile N of Adin Summit on St. Hwy 299; Modoc Nat'l Forest 1524 Comment
  CAS-BOT-BC197784  Eriogonum umbellatum var. nevadense Elmer Ivan Applegate 1932-7-9 7599 Modoc Bidwell Mountain, Warner Mts. Comment
  RSA165614  Eriogonum umbellatum var. nevadense Clare B. Hardham 1961-6-18 7540 Modoc Gravelly slopes. 3.2 mi. S. of Cedar Pass. 1829 Comment
  UC412839  Eriogonum umbellatum var. nevadense Milo S. Baker Modoc near Egg Lake Comment
  CAS-BOT-BC197625  Eriogonum umbellatum var. polyanthum J. L. Reveal 1971-6-22 2461 Modoc Along U.S. Highway 395 at Davis Creek. 1432 Comment
  CAS-BOT-BC197778  Eriogonum umbellatum var. polyanthum Elmer Ivan Applegate 1932-8-3 8130 Modoc Summit of Eagle Peak, Warner Mts. 2804 Comment
  SJSU9582  Eriogonum umbellatum var. polyanthum W. Savage 1979-7-4 1342 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  SEINET5331989  Eriogonum umbellatum var. polyanthum M. J. Williams 1984-7-1 84- 86 -3 Modoc 3.1 mi N of Hwy 299 on Crowder Flat Road. 1341 Comment
  CAS-BOT-BC197589  Eriogonum vimineum John Thomas Howell 1934-7-1 12301 Modoc Duncan Horse Camp. 1355 Comment
  CAS-BOT-BC197591  Eriogonum vimineum Clare Butterworth Hardham 7836 Modoc Davis Creek. 1676 Comment
  CAS-BOT-BC197600  Eriogonum vimineum Barrett Anderson 1986-7-9 3162 Modoc Warner Mts, County Rd. 195 just E of Cedar Pass. 1785 Comment
  JEPS117498  Eriogonum vimineum Lowell Ahart, John Dittes 2010-8-31 17115 Modoc In the parking area on the east side of Elkins Lane, northeast of the homestead, about 300 yards north of the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valle 1295 Comment
  JEPS3934  Eriogonum vimineum N. T. Mirov 1929-7-6 Modoc near Buck Creek Ranger Station (Fandango Valley); Warner Mountains, Fandango Valley 1584 Comment
  CAS-BOT-BC49555  Eriophyllum lanatum Elmer Ivan Applegate 1929-6-24 5892 Modoc Between Alturas and Davis Creek. Comment
  CAS-BOT-BC49561  Eriophyllum lanatum Bruce Bartholomew; Barrett Anderson 1988-7-21 4461 Modoc Vicinity of Patterson Campground, southern end of the Warner Mts. 2190 Comment
  UC31683  Eriophyllum lanatum var. achilleoides Milo S. Baker 1893-6-27 Modoc Comment
  UC109459  Erodium cicutarium Mrs. R. M. Austin May 1874 Modoc Goose Lake Valley Comment
  SEINET8553351  Erodium cicutarium M. J. Williams, A. Tiehm, J. Nachlinger 1988-6-2 88- 27 -2 Modoc Highway 395 0.4 miles East of Susanville road after turn to Alturas Comment
  HSC28832  Eryngium alismifolium D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19499 Modoc Big Valley Summit, 6 mi. W of Adin on Hwy. 299 Comment
  UC21003  Eryngium articulatum M. S. Baker and Frank Nutting 1894-8-30 Modoc near Forestdale Comment
  RSA604004  Eryngium articulatum L. C. Wheeler 1935-9-13 3985 Modoc Devil's Garden; Fletcher Creek at Pease Place 1524 Comment
  UC10551  Erysimum capitatum Mrs. R. M. Austin and Bruce June 1898 2252 Modoc Lake City Mt. Comment
  CHSC117229  Erythranthe breviflora Lowell Ahart; John Dittes 2016-7-16 21239 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-BC229924  Erythranthe guttata Edward Kent Balls 1950-5-10 14602 Modoc Menlo Baths, W of Lower Alkali Lake. 1432 Comment
  CAS-BOT-BC234504  Erythranthe guttata Francis Whittier Pennell 1940-6-8 25749 Modoc W of Cedar Pass. 1828 Comment
  CHSC14174  Erythranthe microphylla K. R. Stern; D. B. Joley, J. G. Geschke 1974-6-22 5828 Modoc W side of Egg Lake. 1295 Comment
  CAS-BOT-BC234467  Erythranthe pulsiferae Leland S. Smith 1924-5-31 1362 Modoc Egg Lake Ranch. 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
  RSA185361A  Erythranthe pulsiferae Clare B. Hardham 1961-6-17 7514 Modoc Cedar Pass Camp Ground, Warner Mountains. Comment
  CAS-BOT-BC234432  Erythranthe suksdorfii Bruce Bartholomew 1995-6-2 6947 Modoc About 0.3 km E of Barrel Spring road on road from Fort Bidwell to Fee Reservoir. 1510 Comment
  CAS-BOT-BC190752  Eschscholzia californica Leland S. Smith 1920-8-8 1202 Modoc Alturas. 1341 Comment
  CAS-BOT-BC190758  Eschscholzia californica R. M. Austin 1891-1-1 s.n. Modoc Modoc County. Comment
  UC10029  Eschscholzia californica Milo S. Baker 1893-6-18 Modoc Comment
  UC17637  Euphorbia crenulata Milo S. Baker 1893-7-12 Modoc Lava Beds 1371 Comment
  CAS-BOT-BC15162  Eurybia integrifolia Elmer Ivan Applegate 1932-8-7 8241 Modoc Lily Lake, Bidwell Pass, Warner Mountains Comment
  JEPS117301  Euthamia occidentalis Lowell Ahart, John Dittes 2010-8-31 17102 Modoc On the east side of Elkins Lane, about 10 yards east of the bridge across Ash Creek, Ash Creek State Wildlife Area, 4215 feet north of Lassen County line, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley 1267 Comment
  CAS-BOT-BC498674  Fabaceae Clare B. Hardham 1961-6-18 7862 Modoc Warner Muntains. Pine Creek 1676 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
  RSA0089762  Festuca idahoensis Dean Wm. Taylor 2014-6-10 21483 Modoc Vicinity Mud Lake; County Road 91 (Lookout to Tule Lake) at the junction, Modoc National Forest Road 42N56. 1432 Comment
  UCD66087  Festuca idahoensis A. A. Jordan 1934-9-11 Modoc Modoc County: Comment
  UCD66091  Festuca idahoensis A. H. Shunk 1923-7-26 Modoc Modoc and Siskiyou County: Tule Lake. Comment
  UCD66093  Festuca idahoensis J. C. Hayes 1935-6-25 Modoc Alturas. Comment
  UCR133555  Festuca idahoensis A. A. Beetle 1941-6-29 2833 Modoc Near summit of Mt. Adin 1829 Comment
  SEINET10559251  Festuca idahoensis Alan A. Beetle 1941-6-29 Beetle 2833 Modoc Near summit of Mt. Adin, sandy soil in open forest. 1829 Comment
  UC1037140  Festuca pratensis Leo Whitney 1935-6-29 3359 Modoc Alturas Comment
  UC1025016  Festuca rubra Leo Whitney 1935-7-12 3496 Modoc 10 mi w Canby; Cottonwood Flat Comment
  UC1025053  Festuca rubra Leo Whitney 1935-7-21 3585 Modoc 15 mi w Canby; Modoc National Forest, Happy Camp 1463 Comment
  UC869454  Floerkea proserpinacoides C. L. Hitchcock 1940-5-27 6696 Modoc 15 mi ne of Alturas 1615 Comment
  CAS-BOT-BC214652  Fragaria virginiana Leland S. Smith 1920-7-13 1179 Modoc Crowder Flat. 1402 Comment
  CAS-BOT-BC214653  Fragaria virginiana Bruce Bartholomew; Barrett Anderson 1988-5-12 4089 Modoc 4 km NW of White Horse. 1350 Comment
  JEPS44872  Fragaria virginiana Milo S. Baker 1893-6-15 Modoc Forestdale; sw Modoc Co. Comment
  UC72969  Fragaria virginiana subsp. platypetala Milo S. Baker 1893-1 Modoc Forestdale Comment
  CAS-BOT-BC217077  Frangula rubra Elmer Ivan Applegate 1921-9-2 3343 Modoc SE of Dry Lake on Alturas road. Comment
  CAS-BOT-BC217079  Frangula rubra Bruce Bartholomew 1989-8-11 5077 Modoc Fandango Pass, Warner Mountains. 1860 Comment
  CAS-BOT-BC242107  Fritillaria atropurpurea Bruce Bartholomew; Barrett Anderson 1989-6-1 4768 Modoc South Fork Davis Creek in the vicinity of the Plum Valley camp ground. 1720 Comment
  CAS-BOT-BC242109  Fritillaria atropurpurea Harry Dwight Dillon Ripley; Rupert Charles Barneby 1944-6-1 6002 Modoc Cedar Pass, Warner Mts. 1920 Comment
  HSC15547  Fritillaria atropurpurea M. T. Milligan 1967-6-15 653 Modoc N end of Jess Valley 1616 Comment
  JEPS55679  Fritillaria atropurpurea Margaret Williams 1968-5-31 6881 Modoc Cedar Pass Comment
  CAS-BOT-BC242095  Fritillaria pudica Bruce Bartholomew 1992-5-16 6334 Modoc NW side of Sweagert Flat. 1850 Comment
  CAS-BOT-BC242096  Fritillaria pudica Bruce Bartholomew 1993-4-3 6407 Modoc Adjacent to Turner Creek at County Rd 90, N end of Big Valley, 6.4 km N of Lassen County border. 1300 Comment
  HSC25436  Fritillaria pudica D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-22 19310 Modoc Soup Springs Campground Comment
  HSC29996  Fritillaria pudica D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19394 Modoc Along Hager Basin Rd. near Big Sage Reservoir. Comment
  UCD139709  Fritillaria pudica R. N. Raynor 1940-4-13 s.n. Modoc Joseph Creek. Comment
  CAS-BOT-BC225057  Galium aparine John Thomas Howell 1934-6-13 12063 Modoc Fandango Pass. 1828 Comment
  RSA520349  Galium aparine Bruce Bartholomew, B. Anderson 1989-6-1 4742 Modoc Ca. 0.5 km S of State Hwy 299 on road to Shaker Spring. 1420 Comment
  CAS-BOT-BC225059  Galium bifolium Bruce Bartholomew 1991-8-6 6081 Modoc N Emerson Lake, E side of Warner Mts. 2370 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-BC225066  Galium glabrescens subsp. modocense G. Rugel 1981-6-23 1140 Modoc On ridgetop, S of Hwy 299, 0.5 mi. W of Cedarville. 1615 Comment
  UCSB48876  Galium glabrescens subsp. modocense Hardham, Clare 1961-6-18 Modoc 3.2 miles east of SUmmit of Cedar Pass Comment
  UC1192008  Galium trifidum var. pacificum Verne Grant and Irving Schneider 1947-8-24 8254 Modoc in creek Warner Mountains, Jess Valley Comment
  JEPS66745  Garrya fremontii L. S. Smith 1917-9-12 906 Modoc Buck Creek Warner Mts. (n Warner Mts) 1828 Comment
  RSA101495  Gayophytum decipiens R. Weatherby 1955-7-8 1609 -B Modoc 7 miles north of Ft. Bidwell, northern Warner Mts. 1875 Comment
  RSA67245  Gayophytum decipiens P. A. Munz 1951-9-14 16982 Modoc Cedar Pass, Warner Mountains 1921 Comment
  CAS-BOT-BC190851  Gayophytum diffusum subsp. parviflorum Bruce Bartholomew; Barrett Anderson 1988-7-22 4493 Modoc Vicinity of East Creak Trailhead, southern end of the Warner Mts. 2210 Comment
  SBBG103626  Gayophytum diffusum subsp. parviflorum H. Bartholomew 1989-7-14 4948 Modoc ca. 8 km NE of Egg lake and 2.5 km E of Service Gulch 1340 Comment
  SD135584  Gayophytum diffusum subsp. parviflorum B. Bartholomew 1991-7-6 5966 Modoc 2.4 km west of County Road 91 Forest Service Road 42n03 1340 Comment
  CAS-BOT-BC190825  Gayophytum racemosum Leland S. Smith 1922-7-20 1294 Modoc Rush Creek Ranger Station pasture. 1905 Comment
  SJSU9562  Gayophytum racemosum W. Savage 1979-7-3 1302 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  CAS-BOT-BC190826  Gayophytum racemosum Mrs. H. C. Cantelow 1935-6-8 920 Modoc Lava beds. Comment
  CAS-BOT-BC180114  Gentiana affinis var. ovata Bruce Bartholomew 1989-8-12 5106 Modoc ca. 3.2 airline miles W of Patterson Ranger Station on road to Jess Valley. 2060 Comment
  CHSC116075  Geranium carolinianum Lowell Ahart; John Dittes 2015-7-16 20395 Modoc North edge of Ash Creek (destroyed), southeast of the gravel pit (destroyed), about 1/8 mile east of the parking area on the east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  CAS-BOT-BC180061  Geranium viscosissimum Bruce Bartholomew 1990-6-16 5268 Modoc W side of Pine Creek Basin, Warner Mountains. 2200 Comment
  CAS-BOT-BC180073  Geranium viscosissimum R. M. Austin 1895-6-1 Modoc Davis Creek. Comment
  CAS-BOT-BC180080  Geranium viscosissimum Annie Montague Alexander; L. Kellogg 1946-6-12 4726 Modoc 1 mi. E of Lake City. 1414 Comment
  HSC32013  Geranium viscosissimum A. M. Montalvo, J. D. Ackerman 1974-7-4 363 Modoc Howard's Gulch, 6 mi. NW of Canby, off Hwy. 139. Comment
  UC748253  Geranium viscosissimum Annie M. Alexander and Louise Kellogg 1946-7-12 4986 Modoc Twelve Mile Creek, ne corner of Modoc County Twelve Mile Creek Comment
  CDA28447  Geranium viscosissimum T. C. Fuller 1963-6-11 10652 a Modoc Little Meadow Campground, South Fork of the Pit River, 7.9 miles east of Likely. 0 Comment
  RSA0029590  Geranium viscosissimum var. nervosum C. L. Hitchcock 1940-5-27 6703 Modoc 15 miles NE of Alturas. 1677 Comment
  HSC98404  Geum macrophyllum M. T. Milligan 1966-7-1 517 Modoc Slopes and ridges E of Jess Valley 1646 Comment
  CAS-BOT-BC214660  Geum triflorum E. S. Willits 1940-5-20 280 Modoc Between Perez and Canby. 1371 Comment
  CAS-BOT-BC214681  Geum triflorum Alice Eastwood; John Thomas Howell 1940-6-14 8217 Modoc 8 mi. NW of Canby. Comment
  CAS-BOT-BC214658  Geum triflorum Mrs. H. C. Cantelow 1940-6-2 4300 Modoc NW of Canby Comment
  UC12258  Geum triflorum Milo S. Baker 1893-6 Modoc Comment
  UC1299119  Geum triflorum Freed W. Hoffman 1946-5-30 681 Modoc along Highway 86 not far from Canby Comment
  UC466705  Geum triflorum Mrs. M. H. Manning 1907-1 Modoc e side of Mount Bidwell, Twelve Mile Creek, ne Modoc County Mount Bidwell; , Twelve Mile Creek Comment
  RSA149067  Geum triflorum var. ciliatum I. L. Wiggins 1961-6-14 16480 Modoc along Lassen Creek, on road to Davis Creek, Warner Mts Comment
  SEINET201592  Gilia capillaris Arthur Cronquist, Athur H. Holmgren 1959-6-20 8522 Modoc Drying swale along intermittent streamlet at Cedarville Pass; Warner Mts. between Cedarville and Alturas 19 Comment
  CAS-BOT-BC190695  Gilia inconspicua Bruce Bartholomew 1991-5-24 5697 Modoc Surprise Valley, 6.6 km E of Eagleville. 1390 Comment
  NY964519  Gilia leptomeria var. micromeria B. M. Bartholomew 1989-6-2 4835 Modoc 6.4 km east of Eagleville on the road to the California state border, east side of Surprise Valley 1550 Comment
  CAS-BOT-BC190663  Gilia sinistra subsp. sinistra Louis Cutter Wheeler 1935-8-13 3833 Modoc Barnes Creek, Warner Mts. 1828 Comment
  CAS-BOT-BC190671  Gilia sinistra subsp. sinistra Bruce Bartholomew; Barrett Anderson 1989-6-1 4729 Modoc Shake Spring, NW side of Shaffer Mountain. 1500 Comment
  CHSC99493  Glyceria borealis Lowell Ahart; John Dittes 2008-6-21 15006 Modoc In shallow water 6-8 inches deep, along a deep natural drainage, about 30 yards west of the levee, in Big Valley, about 3.6 miles (air) northeast of the Headquarters at Ash Creek State Wildlife Area, about 6.4 miles (air) northeast of Bieber. 1269 Comment
  UCD32732  Glyceria elata Beecher Crampton 1954-7-8 2176 Modoc Warner Mountains, 15 miles east of Likely, along road to Jess Valley. 1676 Comment
  CAS-BOT-BC49573  Gnaphalium palustre Bruce Bartholomew; Barrett Anderson 1990-7-20 5459 Modoc 4 km N of Buck Creek Ranger Station at turn off to Del Prat Spring, W side of Warner Mts. 1900 Comment
  JEPS33989  Gnaphalium palustre W. L. Jepson 1918-8-12 7951 Modoc Jess Valley 1584 Comment
  HSC5710  Gnaphalium palustre M. T. Milligan 1964-8-21 230 Modoc S end of Dorris Reservoir Dam 1372 Comment
  CAS-BOT-BC242179  Goodyera oblongifolia Leland S. Smith 1917-9-17 160 Modoc Field redacted by CAS, contact the data manager for more information 2133 Comment
  CAS-BOT-BC229885  Gratiola heterosepala Bruce Bartholomew; Barrett Anderson 1990-7-19 5430 Modoc Sweagert Flat. 1860 Comment
  CAS-BOT-BC229886  Gratiola heterosepala M. Vasey 1990-6-30 9040 Modoc Near Curtis Water Hole, NW of Egg Lake. 1300 Comment
  CAS-BOT-BC49542  Grindelia hirsutula Bruce Bartholomew 1989-8-11 5057 Modoc Along W side of Goose Lake, 12.4 km N of McGinty Point on National Forest Road 48. 1430 Comment
  CAS-BOT-BC49544  Grindelia hirsutula Francis Dorris Payne 1932-8-23 Modoc Shield Creek. 1645 Comment
  UC78799  Hackelia californica Mrs. R. M. Austin July 1887 Modoc Pine Hills Comment
  CAS-BOT-BC54089  Hackelia cusickii L. Mott 1976-5-29 14 LM76 Modoc Devils Garden, N of Alturas. 1402 Comment
  CAS-BOT-BC54093  Hackelia cusickii Bruce Bartholomew; Barrett Anderson 1989-6-3 4852 Modoc 6.4 km N of State Hwy 299 on Crowder Flat Road and ca. 5.5 km S of Big Sage Reservoir. 1550 Comment
  SD149180  Hackelia cusickii B. Bartholomew 1992-5-15 6296 Modoc North end of Surprise Valley, south of Cow Head Lake. 1600 Comment
  CAS-BOT-BC54057  Hackelia micrantha Elmer Ivan Applegate 1932-7-31 7961 Modoc Mill Creek Meadow, Warner Mountains Comment
  UC881644  Hackelia micrantha C. L. Hitchcock 1940-5-27 6691 Modoc 15 mi ne of Alturas 1615 Comment
  HSC5799  Helianthella californica subsp. nevadensis M. S. Baker 1893-1 Modoc Forestdale 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
  POM311135  Helianthus annuus subsp. lenticularis Annetta Carter 1946-8-18 1775 Modoc Along roadiside in open valley; Eound Valley, 3 miles northeast of Adin 1402 Comment
  CAS-BOT-BC54062  Heliotropium curassavicum Louis Cutter Wheeler 1935-9-4 3943 Modoc McGinty Point, Goose Lake. 1463 Comment
  CAS-BOT-BC54064  Heliotropium curassavicum Bruce Bartholomew 1989-8-11 5058 Modoc Along W side of Goose Lake, 3.5 km S of the Oregon border on National Forest Road 48. 1430 Comment
  UC1191655  Heliotropium curassavicum Herbert L. Mason and Verne Grant 1947-7-12 13411 Modoc s.w. of Alturas (w. side of S. Fork of Pit R. Valley); S. Fork of Pit R. Valley Comment
  UC78865  Heliotropium curassavicum Mrs. R. M. Austin Aug. 1888 Modoc shores Goose Lake Goose Lake Comment
  RSA611434  Heliotropium curassavicum var. oculatum L. C. Wheeler 1935-9-4 3943 Modoc Goose Lake: McGinty Point. 1463 Comment
  UC650533  Hemizonella minima Elmer I. Applegate 1936-5-18 10319 Modoc Bear Paw Cave Lava Beds National Monument Comment
  CAS-BOT-BC21469  Heracleum lanatum Roxana Stinchfield Ferris; R. Duthie 1919-6-15 163 Modoc Parker Creek at Modoc National Forest boundary. Comment
  CAS-BOT-BC21473  Heracleum lanatum Annie Montague Alexander; L. Kellogg 1946-7-12 4982 Modoc Twelve Mile Creek. Comment
  UC1191959  Heracleum lanatum Verne Grant and Irving Schneider 1947-7-21 8130 Modoc n. Alturas (N. Fork Pit R., by bridge on Hwy. 395); N. Fork Pit R. Comment
  JEPS117302  Herniaria hirsuta subsp. hirsuta Lowell Ahart, John Dittes 2010-8-31 17110 Modoc In the parking area on the east side of Elkins Lane, northeast of the homestead, about 300 yards north of the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley 1295 Comment
  CAS-BOT-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
  CHSC85194  Hesperochiron californicus John Dittes; Josephine Guardino 1991-6-1 372 Modoc Modoc Plateau; Big Valley; Ash Creek Wildlife Area; ca. 5.7 air-miles northeast of Bieber, ca. 7.6 air-miles west of Adin, ca. 1.5 air-mile southeast of Pilot Butte summit; meadow at northern edge of Ash Creek Floodplain (Big Swamp) at southeast base of Pilot Butte. 1258 Comment
  JEPS1686  Hesperochiron californicus L. S. Smith 1920-6-2 1159 Modoc near Mt. Bidwell (Dismal Swamp); Warner Mts., Bidwell Range, Dismal Swamp Comment
  UC71862  Hesperochiron californicus Mrs. M. H. Manning May, 1903 127 Modoc meadows near Fort Bidwell; n.e. Modoc Co. Comment
  CAS-BOT-BC179181  Hesperolinon micranthum Frank Warrington Peirson 1926-6-25 6858 Modoc Cedarville Road, about 10 mi. E of Alturas. Comment
  JEPS32312  Hesperolinon micranthum Mrs. M. H. Manning 1918-7-14 Modoc north-eastern Modoc County Comment
  SJSU9369  Heteranthera dubia W. Savage 1979-7-3 1275 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  POM193019  Heterocodon rariflorum Franklin P. Nutting 1894-9-1 s.n. Modoc Forestdale. Comment
  CHSC100847  Heuchera cylindrica L. P. Janeway 2008-8-17 9566 Modoc Warner Mountains. North slope of Bald Mountain; just below the cliffs at the top of the peak. In cracks on north-facing rock face. 2400 Comment
  CAS-BOT-BC49511  Hieracium albiflorum Bruce Bartholomew; Barrett Anderson 1988-7-21 4413 Modoc Whitehorse Mts., 11 km N of Day on the road to Whitehorse Flat Reservoir. 1340 Comment
  CAS-BOT-BC49479  Hieracium scouleri Bruce Bartholomew; Barrett Anderson 1990-7-20 5475 Modoc 10.3 km N of Buck Creek Ranger Station, crest of Warner Mountains W side of Warner Mts. 2130 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
  RSA540064  Hieracium scouleri Bruce Bartholomew, B. Anderson 1990-7-20 5474 Modoc 10.3 km north of Buck Creek Ranger Station, crest of Warner Mountains west side of Warner Mountains. 2130 Comment
  SEINET11836113  Hieracium scouleri L. S. Rose 1940-1 40527 Modoc 9 mi E of Likely 1676 Comment
  RSA504838  Holodiscus dumosus Bruce Bartholomew 1988-7-22 4488 Modoc vicinity of E Creak Trailhead, Southern end of the Warner Mtns, Sierran Montane forest. 2210 Comment
  CAS-BOT-BC214697  Holodiscus microphyllus var. glabrescens Francis Marion Ownbey; Frederick Gustav Meyer 1940-7-1 2155 Modoc Cedar Peak, Warner Mts. Comment
  CAS-BOT-BC214699  Holodiscus microphyllus var. glabrescens Bruce Bartholomew 1990-8-4 5626 Modoc Slope on NE side of Pine Creek Basin on trail to Patterson Lake, W side of Warner Mts. 2520 Comment
  HSC80843  Hordeum brachyantherum G. M. Riegel 1979-8-13 660 Modoc South Warner Mtns. 2100 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-BC247678  Hordeum jubatum Bruce Bartholomew; Barrett Anderson 1990-7-20 5454 Modoc Margin of Goose Lake at S end of the causeway to McGinty Point. 1440 Comment
  HSC65542  Hordeum jubatum Thomas Wood 1979-8-8 207 Modoc 1 mi. S of Ft. Bidwell, along Hwy. 1, corner house where road turns W 1372 Comment
  SEINET10591641  Hordeum jubatum Louis C. Wheeler 1935-8-2 Wheeler 3743 Modoc Damp sunny meadow. Dismal Swamp, Twenty Mile Creek, Warner Mts. S31, T48N, R16E. 2225 Comment
  UC1024893  Hordeum murinum subsp. leporinum Leo Whitney 1935-5-26 3122 a Modoc ca 15 mi nw Canby (U.S.B.E. plot RS 1--Dry stream bed s of Dam); Modoc National Forest, Lake Joaquina, Hackamore 1463 Comment
  CAS-BOT-BC214715  Horkelia tridentata K. Paulson 1978-6-24 s.n. Modoc Curtis Water Hole. Comment
  CAS-BOT-BC214716  Horkelia tridentata Bruce Bartholomew; Barrett Anderson 1989-6-3 4901 Modoc ca. 8 km WNW of Long Bell Ranger Station. 1350 Comment
  HSC29910  Horkelia tridentata var. tridentata D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19508 Modoc Big Valley Summit, 6 mi. W of Adin on Hwy. 299 Comment
  SEINET248325  Hornungia procumbens Noel H. Holmgren, Patricia K. Holmgren 1998-5-30 12995 Modoc Surprise Valley, Modoc County Road 299, 6.9 km (4.3 mi) east od downtown Cedarville, at a turnoff to some hotsprings. 1370 Comment
  CAS-BOT-BC181963  Hosackia crassifolia Milo Samuel Baker 1893-7-1 s.n. Modoc Modoc County. Comment
  CAS-BOT-BC179330  Hydrophyllum capitatum var. alpinum Annie Montague Alexander; L. Kellogg 1946-6-8 4704 Modoc Near 3 mile Ranger Station sign, road from Eagleville to Patterson Mill. 2225 Comment
  CAS-BOT-BC179334  Hydrophyllum capitatum var. alpinum K. Paulson; Robert Paulson 1989-6-14 127 Modoc Ca. 1.5 mi. NE of Cedar Pass, Warner Mts. 1905 Comment
  CAS-BOT-BC180027  Hydrophyllum capitatum var. alpinum Mrs. H. C. Cantelow 1940-6-1 Modoc Cedar Pass. Comment
  CAS-BOT-BC180029  Hydrophyllum capitatum var. alpinum Betty J. Hammerly 1941-6-20 28 Modoc Along Clear Lake, S end of Warner Mts. Comment
  POM126788  Hydrophyllum capitatum var. alpinum Franklin P. Nutting 1893-6-15 s.n. Modoc Forestdale. Comment
  RSA152598  Hydrophyllum capitatum var. alpinum I. L. Wiggins, Dorothy Wiggins 1961-6-12 16407 Modoc Cedar Creek Campground, 3 miles east of Thoms Creek Bridge. Comment
  RSA727897  Hymenolobus procumbens Noel Holmgren, Patricia K. Holmgren 1998-5-30 12995 Modoc Surprise Valley, Modoc County Road 299, 6.9 km (4.3 mi) E of downtown Cedarville, at turnoff to some hotsprings. 1370 Comment
  CHSC63379  Hymenoxys hoopesii V. H. Oswald; Beth Corbin, Mike Dolan, Allison Sanger 1994-7-9 6371 Modoc Dismal Swamp ca. 6 mi (air) E of Hwy. 395, just S of the Oregon border. Meadow surrounding Dismal Creek. 2206 Comment
  UC748342  Hymenoxys lemmonii Annie M. Alexander and Louise Kellogg 1946-6-10 4716 Modoc top of lava bench more or less on slope n Snake Lake (between Lower and Snake Lakes) Comment
  CAS-BOT-BC179900  Hypericum anagalloides Bruce Bartholomew; Barrett Anderson 1988-7-22 4509 Modoc SE side of Sunflower Knob, southern end of the Warner Mts.. 2160 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
  POM86682  Hypericum formosum var. scouleri Mrs. R. M. Austin 1895-07 177 Modoc Goose Lake Valley. Comment
  POM95941  Idahoa scapigera Mrs. R. M. Austin 1895-05 36 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
  SJSU11428  Ipomopsis aggregata H. L. Buckalew 1961-6-28 Modoc Fandango Pass Rd near Fandango Pass 1828 Comment
  UC449742  Ipomopsis aggregata Mrs. M. H. Manning 1907-1 Modoc 12 Mile Creek Mt. Bidwell, e side Comment
  UC73647  Ipomopsis aggregata Milo S. Baker 1893-1 Modoc Forestdale Comment
  CAS-BOT-BC190654  Ipomopsis aggregata subsp. aggregata Roxana Stinchfield Ferris; R. Duthie 1919-6-14 185 Modoc Above Parker Creek at Modoc Nat. Forest Boundary. Comment
  UC205778  Ipomopsis congesta Mrs. M. H. Manning 1903-1 345 Modoc Mt. Bidwell Comment
  UC23479  Ipomopsis congesta Milo S. Baker 1893-8-10 Modoc 1219 Comment
  CAS-BOT-BC245102  Iris missouriensis Gordon H. True 1964-6-3 1449 Modoc Ca. 5 mi. S of Cedarville. 1463 Comment
  UCD138700  Iris missouriensis Malcolm A. Nobs; S. Galen Smith 1949-5-29 770 Modoc one mile east of Lake City. 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
  CHSC112817  Isatis tinctoria Lowell Ahart; John Dittes 2013-7-25 18962 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
  RSA639344  Isoetes howellii L. C. Wheeler 1935-10-6 4025 Modoc Lily Lake, Pine Creek. (Mt. Diablo Mer.) 2073 Comment
  RSA768063  Iva axillaris subsp. robustior L. Ahart, John Dittes 2010-8-30 17085 Modoc 20 yrds north of 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 air miles west of Adin, about 7.2 air miles northeast of Bieber, Big Valley. Comment
  UC1567372  Ivesia gordonii G. Schoolcraft 1989-7-16 1965 Modoc e of Patterson Lake; Warner Mountains 2804 Comment
  HSC18689  Ivesia gordonii var. ursinorum M. T. Milligan 1965-7-10 431 Modoc W slopes of Eagle Peak 2591 Comment
  CHSC85121  Juncus balticus John Dittes; Josephine Guardino 1991-7-21 401 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
  UC1100954  Juncus balticus Herbert L. Mason 1947-8-15 13546 Modoc e side Goose Lake (on Willow Ranch); , Mouth of Crane Creek Comment
  CDA13453  Juncus brachyphyllus G. F. Hrusa, T. D. Wilfred 1996-7-21 13300 Modoc Modoc Plateau; Adjacent to Modoc Co. Rd. 90 bridge over Pit River. E base of Splawn Mtn. N end of Big Valley. Comment
  CHSC117140  Juncus bufonius var. bufonius Lowell Ahart; John Dittes 2016-7-14 212014 Modoc Strand of a new pond, south of Ash Creek Canal (now filled in), south of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of Codunty Road 87, 1.73 miles (air) west of Adin, Big Valley. 1273 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
  UC1101046  Juncus bufonius var. congestus Herbert L. Mason 1947-8-13 13532 Modoc n of Canby (ne side of F reservoir) Comment
  CAS-BOT-BC245069  Juncus bufonius var. occidentalis Clare Butterworth Hardham 1974-8-4 20181 A Modoc Headwaters of Dismal and 12 Mile creeks. 2133 Comment
  JEPS127313  Juncus bufonius var. occidentalis Lowell Ahart, John Dittes 2016-7-14 21205 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-BC245067  Juncus confusus Louis Cutter Wheeler 1935-9-23 4001 Modoc Pease Flat, Devil's Garden. 1524 Comment
  CHSC83464  Juncus confusus Bill Maslach 2001-7-9 28 Modoc Stough Reservoir Campground, off Hwy. 299; Warner Mountains. 1900 Comment
  CHSC31497  Juncus ensifolius N. E. H. Prouty 1980-8-6 213 Modoc Modoc Nat. Forest. Meadow on southern bank of North Fork Pine Creek. 1524 Comment
  HSC14016  Juncus ensifolius M. T. Milligan 1966-8-3 635 Modoc W slope of Eagle Peak 2439 Comment
  JEPS66984  Juncus ensifolius W. L. Jepson 1918-8-12 7954 Modoc Jess Valley 1584 Comment
  UC1536801  Juncus ensifolius Gordon H. True Jr. 1939-6-30 1018 Modoc e of Alturas; Parker Creek Comment
  UC70023  Juncus ensifolius Mrs. M. H. Manning Aug 1903 443 Modoc ne Modoc County Comment
  CAS-BOT-BC245056  Juncus hemiendytus var. abjectus Bruce Bartholomew 1995-6-24 7035 Modoc 6 km E of Burlington Northern Railroad track on Forest Service Road 42N03. 1340 Comment
  CAS-BOT-BC245055  Juncus hemiendytus var. hemiendytus Bruce Bartholomew 1993-6-14 6671 Modoc Vicinity of Badger Well. 1500 Comment
  UC2483  Juncus mexicanus Baker and Nutting Modoc Dixie Valley Comment
  UC1142955  Juncus nevadensis A. L. Hormay 1941-6-23 35 Modoc Spaulding Reservoir Modoc National Forest Comment
  CAS-BOT-BC81201  Juniperus occidentalis Florence Angwin 1946-5-4 s.n. Modoc Adin Comment
  CAS-BOT-BC81209  Juniperus occidentalis Elmer I. Applegate 1932-7-9 7622 Modoc Big grade, Fandango Pass, Goose Lake side Comment
  HSC80923  Juniperus occidentalis G. M. Riegel 1979-8-13 655 Modoc S Warner Mtns. 1670 Comment
  NY20182  Juniperus occidentalis B. M. Bartholomew 1988-5-13 4142 Modoc This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  NY20194  Juniperus occidentalis F. R. Fosberg 1957-8-18 38855 Modoc This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  UCR162658  Juniperus occidentalis subsp. occidentalis David A. Charlet 1992-6-2 979 Modoc S. Warner Mountains, E of Patterson Guard Station 1829 Comment
  POM337227  Juniperus occidentalis var. occidentalis F. R. Fosberg 1957-8-18 38855 Modoc Upper Rush Creek Camp Ground, northeast of Adin. 1600 Comment
  RSA93401  Juniperus occidentalis var. occidentalis Milo S. Baker 1936-6-14 8315 Modoc Malin to Quarantine Station Comment
  RSA101507  Kalmia polifolia subsp. microphylla R. Weatherby 1955-7-7 1598 Modoc Mineral Spring, near Dismal Swamp, Warner Mts. 2332 Comment
  CAS-BOT-BC225092  Kelloggia galioides Leland S. Smith 1922-7-20 1301 Modoc Rush Creek Ranger Station pasture. 1905 Comment
  CAS-BOT-BC225098  Kelloggia galioides Elmer Ivan Applegate 1932-7-31 7986 Modoc Mill Creek Meadows. Comment
  CAS-BOT-BC248321  Kelloggia galioides B. Bartholomew; H. Sun 2002-6-24 8865 Modoc Fandango Pass on the E side of the Warner Mountains near the crest of the mountains 1820 Comment
  CAS-BOT-BC248332  Kelloggia galioides B. Bartholomew; H. Sun 2002-6-24 8817 Modoc Ridge top just S of Manzanita Mt. and 15.3 straight line km NW of Aden 2070 Comment
  POM68593  Kelloggia galioides R. M. Austin 1895-07 405 Modoc Willow Creek (Devils Garden) Comment
  RSA520449  Kelloggia galioides Bruce Bartholomew, B. Anderson 1990-7-20 5528 Modoc 3.4 Km NW of Tamarack Flat, E side of Warner Mts. 2130 Comment
  UC705396  Kelloggia galioides Marion Ownbey, Fred G. Meyer 1940-7-1 2149 Modoc Cedar Peak; Warner Mts. Comment
  CAS-BOT-BC247647  Koeleria macrantha Bruce Bartholomew 1993-6-14 6669 Modoc Russell Canyon, just S of the Oregon border and NW of Clear Lake Reservoir. 1400 Comment
  CAS-BOT-BC247649  Koeleria macrantha Bruce Bartholomew; Barrett Anderson 1990-7-21 5583 Modoc Homestead Flat, ca. 2.5 km E of Patterson Ranger Station, E side of Warner Mts. 2160 Comment
  CHSC85185  Koeleria macrantha John Dittes; Josephine Guardino 1991-7-21 438 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
  HSC10667  Koeleria macrantha M. T. Milligan 1964-6-20 59 Modoc 2 mi. N on Pencil Rd. from Hwy. 395 1372 Comment
  JEPS114835  Koeleria macrantha Lowell Ahart, John Dittes 2008-6-21 15015 Modoc On the north side of the dirt road, in Big Valley, about 3.8 miles (air) north of the Headquarters at Ash Creek State Wildlife Area, about 6.5 miles (air) northeast of Bieber 1264 Comment
  RSA534494  Koeleria macrantha Bruce Bartholomew, B. Anderson 1990-7-19 5394 Modoc Turner Creek at County Rd 90, N end of Big Valley, 6.4 km N of Lassen County border. 1230 Comment
  UC1024946  Koeleria macrantha Leo Whitney 1935-7-2 3326 Modoc ca 17 mi nw Canby; Badger Wells Comment
  UCD85661  Koeleria macrantha A. A. Beetle 1941-6-29 2842 Modoc 10 miles W of Alturas, road to Cedarville. Comment
  UCD85700  Koeleria macrantha A. A. Beetle; G. L. Stebbins Jr. 1942-5-30 3379 Modoc Jct. Rt. 39 and road to Modoc Lava Beds Natl. Mon. Comment
  UCD86012  Koeleria macrantha L. D. Whitney 1935-7-2 s.n. Modoc Badger Well. Comment
  UC1191979  Lactuca tatarica subsp. pulchella Verne Grant and Irving Schneider 1947-7-18 8051 Modoc s Alturas Comment
  SEINET11446760 Image available Lagophylla ramosissima M. J. Williams 1983-9-13 83- 151 -2 Modoc Along side of road from Alturas to Cedarville, 3.8 mi W of Cedar Pass, 6.7 mi from junction of Hwy 299 and Cedarville road 1554 Comment
  CAS-BOT-BC49494  Lagophylla ramosissima subsp. ramosissima Alice Eastwood; John Thomas Howell 1940-6-14 8202 Modoc Near Kelly Hot Spring. Comment
  CAS-BOT-BC179873  Lamium amplexicaule Leland S. Smith 1919-5-1 1082 Modoc Jess Valley, Clarke Ranch. 1600 Comment
  JEPS64864  Lathyrus brownii N. Mirov 1929-6-16 Modoc Warner Mts. 1615 Comment
  JEPS55327  Lathyrus lanszwertii var. aridus Milo S. Baker 1898-1 Modoc Forestdale Comment
  CAS-BOT-BC181971  Lathyrus rigidus Annie Montague Alexander; L. Kellogg 1946-6-14 4768 Modoc Silver Creek branch of Patterson Mill road. 1828 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
  CAS-BOT-BC58458  Lepidium campestre Bruce Bartholomew 1992-5-16 6315 Modoc Wet pasture just E of the town of Davis Creek. 1480 Comment
  CAS-BOT-BC58343  Lepidium dictyotum var. dictyotum Harry Dwight Dillon Ripley; Rupert Charles Barneby 1944-6-1 6004 Modoc Valley E of Cedarville. 1219 Comment
  CDA3795  Lepidium latifolium K. Wright 1965-8-25 Modoc Newell townsite, Tulelake. 0 Comment
  UC106732  Leptodactylon pungens Mrs. Austin Modoc hills e Goose Lake (e of Goose Lake); hills e of Goose Lake Comment
  RSA100701  Leptosiphon harknessii Ella Dales Cantelow 1940-6-2 4133 Modoc About 10 miles N.W. of Canby, on road to Lava Beds Monument Comment
  RSA601530  Leptosiphon harknessii L. C. Wheeler 1935-8-16 3868 Modoc Dismal Swamp, Twenty Mile Creek. Warner Mountains. Mt. Diablo Mer. 2226 Comment
  SJSU8706  Leptosiphon harknessii H. L. Buckalew 1961-6-29 Modoc by Stowe Reservoir c. 1 mi N of Cedar Pass on Alturas-Cedarville Rd 1920 Comment
  RSA41962  Leptosiphon harknessii Ella Dales Cantelow 1940-6-2 4133 Modoc N.W. of Canby on rd to lava beds. Comment
  HSC75594  Leptosiphon nuttallii G. M. Riegel 1980-7-30 960 Modoc S Warner Mtns. 1739 Comment
  CAS-BOT-BC197454  Lewisia nevadensis E. S. Willits 1940-5-16 256 Modoc Willow Ranch. Comment
  CAS-BOT-BC248369  Lewisia nevadensis B. Bartholomew; H. Sun 2002-6-24 8858 Modoc Headwaters of Davis Creek, W side of the Warner Mountains 2160 Comment
  HSC80774  Lewisia nevadensis G. M. Riegel 1978-7-12 63 Modoc S Warner Mtns. 2100 Comment
  UC412640  Lewisia nevadensis Franklin P. Nutting Modoc Forestdale Comment
  CAS-BOT-BC248367  Lewisia rediviva B. Bartholomew; H. Sun 2002-6-24 8854 Modoc E of Bald Mt., on the E side of the Warner Mountains 2130 Comment
  SEINET3071973 Image available Lewisia rediviva C. L. Hitchcock 1940-5-27 6671 Modoc 15 miles northeast of Alturas 1620 Comment
  UC1585399  Lewisia rediviva R. Raiche and K. Zadnik 1989-7-4 9021 A Modoc Soldier Creek drainage Warner Mts., Cedar Mt. area, Soldier Creek drainage 1985 Comment
  CHSC118313  Lewisia rediviva var. rediviva L. P. Janeway 2016-5-17 12018 Modoc Modoc Plateau. Devils Garden area; flat just below (west of) Porcupine Rim; 0.3 km north of Road 43N18; 4.0 air-km west of Big Sage Reservoir. 1544 Comment
  POM201805  Leymus cinereus Frances D. Payne 78 Modoc Warner Mts. Comment
  JEPS73995  Leymus triticoides Frances D. Payne 1932-7-18 710 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  UC1037146  Leymus triticoides Leo Whitney 1935-7-2 3324 Modoc ca 17 mi nw Canby; Badger Wells Comment
  UC1037167  Leymus triticoides Leo Whitney 1935-7-17 3511 Modoc ca 15 mi nw Canby; Modoc National Forest, Lake Joaquina, Hackamore 1463 Comment
  UC1037178  Leymus triticoides Leo Whitney 1935-8-18 3619 Modoc Alturas Comment
  UC1037257  Leymus triticoides Leo Whitney 1935-7-24 107 Modoc Hot Springs Valley Comment
  JEPS121779  Ligusticum grayi B. Castro and L. P. Janeway 2008-8-17 1750 Modoc Warner Mountains. North slope of Bald Mountain; mid-slope below upper edge of last row of trees, in upper feeders to S. Fork Mill Creek. Comment
  CAS-BOT-BC436036  Ligusticum grayi Annie M. Alexander; Louise Kellogg 1946-7-18 5014 Modoc Benton Meadow, Warner Mountains 2072 Comment
  CAS-BOT-BC245038  Lilaea scilloides Elmer Ivan Applegate 1932-7-30 7947 Modoc Alturas. Comment
  CAS-BOT-BC242068  Lilium washingtonianum Bruce Bartholomew 1989-7-14 4928 Modoc Along Rush Creek between Lower and Upper Rush Creek Campgrounds. 1580 Comment
  UC1101427  Limosella acaulis Verne Grant and Irving Schneider 1947-7-20 8099 Modoc by Dorris bridge Alturas (Alturas, North Fork of Pit River); North Fork 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
  CHSC117503  Limosella aquatica Lowell Ahart; John Dittes 2016-7-14 21198 Modoc Strand of a new pond, south of Ash Creek Canal (now filled in), south of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. 1273 Comment
  POM228990  Limosella aquatica Louis C. Wheeler 1935-8-14 3856 Modoc Cave Lake, Pine Creek, Warner Mtns. (Mt Diablo Mer.) 2073 Comment
  CAS-BOT-BC198040  Linanthus harknessii John Thomas Howell 1934-6-12 12031 Modoc Plum Valley. Comment
  NY1012638  Linanthus harknessii A. Tiehm 1984-6-30 8842 Modoc Northwest side of Bidwell Mountain, 2.8 road miles north of 8 mile creek on the road from Lake Annie 1828.8 Comment
  HSC17064  Linanthus pungens M. T. Milligan 1966-6-19 467 Modoc Plateau W of Jess Valley 1829 Comment
  RSA59596  Linanthus pungens subsp. hookeri Verne Grant, Alva Grant 1950-7-14 8945 Modoc North flank of Cedarr Peak near summit, Warner Mountains 2195 Comment
  UCD123900  Linaria dalmatica subsp. dalmatica W. T. Parsons; T. C. Fuller 1960-7-27 4875 Modoc around old saw mill site, Lassen Creek, near Sugar Hill Planting. Comment
  CDA6363  Linaria genistifolia subsp. dalmatica T. C. Fuller 1962-8-29 9485 Modoc Near Sugar Hill Planting, Lassen Creek, 11 miles south of New Pine Creek. 0 Comment
  CAS-BOT-BC179158  Linum lewisii Elmer Ivan Applegate 1932-8-3 8114 Modoc Dry crest of Warner Mts. near Eagle Peak. Comment
  CAS-BOT-BC179160  Linum lewisii B. Bartholomew; Barrett Anderson 1988-6-24 4314 Modoc Road beyond Poison Lake ca. 8 km S of the road from U.S. Highway 395 to Lily Lake, Warner Mts.. 2130 Comment
  RSA435717  Linum lewisii George Willet 1935-6-26 s.n. Modoc Jess Valley, Warner Mountains 1829 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
  JEPS121192  Linum lewisii var. lewisii Lowell Ahart, John Dittes 2013-7-25 18948 Modoc 10 yards N of the E-W fence, S edge of Ash Creek floodplain, NE of Patterson Homestead, E of Elkins Lane, 1.0 air mile S of County Road 87, 3.14 air miles W of Adin, Big Valley. Comment
  CAS-BOT-BC225815  Lithophragma glabrum Annie Montague Alexander; L. Kellogg 1946-6-5 4666 Modoc Emerson Creek, S of Eagleville, Warner Mts. 2072 Comment
  CAS-BOT-BC225816  Lithophragma glabrum E. H. Steffen 1917-5-27 16 Modoc West Valley Camp. 1554 Comment
  OBI47979  Lithophragma glabrum Rhonda Riggins 1989-4-28 1658 Modoc Pencil Rd 4.1 mi N of hwy 395 E of Alturas 1402 Comment
  UC585234  Lithophragma parviflorum E. B. Babcock and G. L. Stebbins Jr. 1936-6-9 1838 Modoc summit of Cedar Pass; Warner Mts., summit of Cedar Pass 1920 Comment
  CAS-BOT-BC225837  Lithophragma tenellum Roxana Stinchfield Ferris; R. Duthie 1919-6-14 108 Modoc Slope above Parker Creek, Warner Mts. Comment
  HSC80732  Lithophragma tenellum G. M. Riegel 1980-7-22 919 Modoc S Warner Mtns. 1670 Comment
  CAS-BOT-BC54030  Lithospermum ruderale K. Paulson; Robert Paulson 1991-5-25 219 Modoc W side of Goose Lake, vicinity of Log Landing. 1478 Comment
  CAS-BOT-BC54037  Lithospermum ruderale Bruce Bartholomew; Barrett Anderson 1988-5-13 4143 Modoc Along Parker Creek Road, 2.7 km W of Modoc National Forest and ca. 16 km WSW of Alturas, W side of the Warner 1490 Comment
  UC24902  Lithospermum ruderale C. C. Bruce June 1898 2197 Modoc Goose Lake Valley Comment
  POM126231  Lithospermum ruderale M. French Gilman 649 Modoc Dry slopes. Comment
  CAS-BOT-BC21444  Lomatium bicolor var. leptocarpum E. S. Willits 1940-4-16 176 Modoc Sugar Hill. Comment
  CAS-BOT-BC21455  Lomatium bicolor var. leptocarpum Alice Eastwood; John Thomas Howell 1940-6-14 8211 Modoc 8 mi. NW of Canby. Comment
  CHSC109487  Lomatium bicolor var. leptocarpum L. P. Janeway; B. Castro 2012-7-24 10977 Modoc Warner Mountains. Northwestern flank of Mount Bidwell; 1.2 air km south of Dismal Swamp. 2362 Comment
  HSC28842  Lomatium bicolor var. leptocarpum D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19497 Modoc Big Valley Summit, 6 mi. W of Adin on Hwy. 299 Comment
  SEINET3081248 Image available Lomatium bicolor var. leptocarpum Arnold Tiehm 1984-7-30 8827 Modoc 8.9 road miles NE of Ft. Bidwell on main road to Adel, just past the road summit. 1615 Comment
  UC748468  Lomatium bicolor var. leptocarpum Annie M. Alexander and Louise Kellogg 1946-6-26 4839 Modoc n. end Warner Mts., Dismal Swamp 2255 Comment
  CAS-BOT-BC21435  Lomatium canbyi Bruce Bartholomew; Barrett Anderson 1989-4-30 4712 Modoc 0.8 km S of Centerville Rd. (Co. road 54) on road to Ralston Gulch (Co. road 77). 1400 Comment
  CHSC75439  Lomatium canbyi V. H. Oswald; B. Corbin, A. Sanger, G. Schoolcraft 1999-6-12 9762 Modoc Soldier Creek Canyon adjacent to USFS 45N57 in the Warner Mtns. northeast of Stough Reservoir Campground, north side of Hwy. 299, east side of Cedar Pass. 2072 Comment
  CAS-BOT-BC30169  Lomatium dissectum var. multifidum Alice Eastwood; John Thomas Howell 1940-6-12 8085 Modoc Jess Valley. Comment
  CAS-BOT-BC30135  Lomatium hendersonii Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-13 6533 Modoc Just W of Mud Lake on road to West Valley Reservoir. 1460 Comment
  CAS-BOT-BC30144  Lomatium macrocarpum Harry Dwight Dillon Ripley; Rupert Charles Barneby 1944-5-31 5998 Modoc W of Alturas. 1325 Comment
  POM78482  Lomatium macrocarpum Mrs. R. M. Austin 1895-08 432 Modoc Goose Lake Comment
  UC21228  Lomatium macrocarpum Mrs. R. M. Austin and Bruce 1898-6-1 2285 Modoc Goose Lake Comment
  POM78180  Lomatium nevadense C. C. Bruce 1895-05 28 Modoc Goose Lake Valley Comment
  JEPS89904  Lomatium nevadense var. nevadense Dean W. Taylor 1992-5-8 12569 Modoc ca. 0.5 mi. e. Moonlite Mines (Mt. Bidwell); Warner Mts., Mt. Bidwell 7 1/2 Quad. 1990 ed. 2432 Comment
  UC21226  Lomatium nevadense var. nevadense Mrs. R. M. Austin and Bruce June 1898 2373 Modoc Goose Lake Comment
  CAS-BOT-BC15768  Lomatium nudicaule Roxana Stinchfield Ferris; R. Duthie 1919-6-14 110 Modoc Near Parker Creek, 1.5 mi. above Modoc National Forest boundary. Comment
  UCD127708  Lomatium nudicaule Geo. C. Wood 1940-4-25 s.n. Modoc Fleming Ranch southeast end of Goose Lake. 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
  HSC80779  Lomatium triternatum G. M. Riegel 1980-8-26 1110 Modoc South Warner Mountains 1739 Comment
  OBI81754  Lomatium triternatum Tracey Call, Viola Call 1961-5-30 2054 Modoc 15 miles north of Alturas near U.S. 395 highway Comment
  RSA31756  Lomatium triternatum A. A. Heller 1941-6-26 16215 Modoc 4 miles east of Canby Comment
  SEINET11131560  Lomatium triternatum M. J. Williams, T. Holcomb, B. Holcomb, L. Saxton 1988-5-28 88191 Modoc Hwy 395, intersection with Davis Creek Road Comment
  SEINET10545665  Lomatium triternatum var. macrocarpum Billy Joe Cox, Paul Gallian 1971-6-3 Cox 2613 Modoc 6 mi. N of Alturas on U.S. Hwy 395,. 1341 Comment
  CAS-BOT-BC21408  Lomatium triternatum var. triternatum John Thomas Howell 1934-6-13 12080 Modoc Fandango Pass. 1828 Comment
  CAS-BOT-BC21411  Lomatium triternatum var. triternatum Mrs. H. C. Cantelow 1940-5-31 4508 Modoc 3 mi. E of Canby. Comment
  CAS-BOT-BC21419  Lomatium triternatum var. triternatum John Thomas Howell 1934-6-12 12016 Modoc Between Davis Creek and Plum Valley. Comment
  HSC21596  Lomatium triternatum var. triternatum M. T. Milligan 1965-7-1 413 Modoc Plateau W of Jess Valley. 1829 Comment
  JEPS28835  Lomatium vaginatum Lincoln Constance and Emil DiFulvio 1962-4-16 3750 Modoc 3.2 mi. n. Likely 1310 Comment
  SEINET202028  Lomatium vaginatum Unknown Modoc East side of Goose Lake 9 miles north of Davis Creek. 1372 Comment
  JEPS123857  Lotus corniculatus Lowell Ahart, John Dittes 2015-7-16 20379 Modoc Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. Comment
  CAS-BOT-BC181954  Lotus humistratus Bruce Bartholomew 1991-6-21 5820 Modoc N side of Mud Lake, 5.3 km S of Forest Service road 73 on road to Rim Rock Valley. 1570 Comment
  CAS-BOT-BC181950  Lotus nevadensis var. nevadensis Bruce Bartholomew; Barrett Anderson 1989-6-3 4915 Modoc 5 km W of County Route 91 along the N side of the Pit River. 1340 Comment
  CAS-BOT-BC181937  Lotus purshianus var. purshianus Bruce Bartholomew; Barrett Anderson 1988-7-22 4485 Modoc Vicinity of East Creak Trailhead, southern end of the Warner Mts. 2210 Comment
  CAS-BOT-BC181897  Lupinus arbustus Roxana Stinchfield Ferris; R. Duthie 1919-6-14 76 Modoc Near Parker Creek. 1828 Comment
  CAS-BOT-BC181899  Lupinus arbustus Bruce Bartholomew 1992-8-9 6385 Modoc Creek below Patterson Lake on Squaw Peak Trail to Owl Creek Trail, E side of Warner Mountains. 2650 Comment
  CAS-BOT-BC181915  Lupinus arbustus Bruce Bartholomew 1990-8-4 5636 Modoc Crest of the Warner Mts., ca. 0.5 km SE of Patterson Lake along Summit Trail. 2770 Comment
  CAS-BOT-BC181916  Lupinus arbustus Alice Eastwood; John Thomas Howell 1940-6-13 8141 Modoc Fandango Pass. Comment
  SEINET5586601  Lupinus arbustus John F. Emmel 1996-1 1434 Modoc Warner Mts.; ridge 1.1-1.5 air miles south and 0.3-0.5 air mile west of Emerson Peak. Comment
  SEINET10484640  Lupinus arbustus subsp. calcaratus Jeffrey Huber 1971-6-3 Huber 87 Modoc 5 miles s of canby on cal hwy 299, lupinus heavily carpeting hillside of large Basaltic boulders, sparse juniper, artemisia, purshia, poa assoc. 1280 Comment
  CAS-BOT-BC182182  Lupinus argenteus Mrs. H. C. Cantelow 1940-5-31 Modoc 1.8 mi. W of Canby. Comment
  CAS-BOT-BC182188  Lupinus argenteus Gordon H. True 1964-6-3 1427 Modoc About 5 mi. N of Cedarville, Surprise Valley. 1463 Comment
  HSC81084  Lupinus argenteus G. M. Riegel 1979-7-14 535 Modoc South Warner Mtn. 509 Comment
  SJSU9657  Lupinus argenteus W. Savage 1979-7-8 1493 Modoc N end Fairchild Swamp Unit, Triangle, Devils Garden District, Modoc National Forest 1493 Comment
  JEPS15486  Lupinus argenteus var. argenteus Joseph and Hilda Grinnell 1938-6-16 1106 a Modoc between Fort Bidwell and Cow Head Lake; between Fort Bidwell and Cow Head Lake 1524 Comment
  OBI5674  Lupinus argenteus var. argenteus Carl B. Wolf 1931-9-4 2398 Modoc Canby 1326 Comment
  RSA3393  Lupinus argenteus var. argenteus Carl B. Wolf 1931-9-4 2398 Modoc At Canby. 1326 Comment
  UCD106791  Lupinus argenteus var. argenteus Verne Grant; Irving Schneider 1947-8-27 8321 Modoc Southwest end of Clear Lake. Comment
  CAS-BOT-BC182092  Lupinus argenteus var. heteranthus John Thomas Howell 1934-6-14 12181 Modoc Near North Fork of Baxter Creek, Warner Mts. 1524 Comment
  CAS-BOT-BC182098  Lupinus argenteus var. heteranthus C. P. Smith 1947-6-13 47460 Modoc Highway 395, Pine Creek (town), 0.8 mi. S. Comment
  CAS-BOT-BC182100  Lupinus argenteus var. heteranthus Elmer Ivan Applegate 1929-6-25 5905 Modoc Willow Ranch, Goose Lake Valley. Comment
  CAS-BOT-BC182104  Lupinus argenteus var. heteranthus John Thomas Howell 1934-6-14 12181 Modoc Near North Fork of Baxter Creek, Warner Mts. 1524 Comment
  CAS-BOT-BC182125  Lupinus argenteus var. heteranthus M. Vasey 1990-6-29 9024 Modoc Cottonwood Flat off County Road 84 between Canby and Happy Camp, Modoc National Forest 1500 Comment
  CHSC109455  Lupinus argenteus var. heteranthus B. Castro; L. P. Janeway 2012-7-24 1951 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. 2359 Comment
  SEINET10970215  Lupinus argenteus var. tenellus David B. Dunn 1954-9-3 Dunn 11808 Modoc Just N of Timber Mountain turnoff along Hwy 139. Comment
  HSC76462  Lupinus burkei B. J. Cox 1970-6-8 2080 Modoc 1 mi. N of Davis Creek, on U.S. Hwy. 395 Comment
  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
  SD46396  Lupinus caudatus Robert J. Weatherby 1955-7-8 1635 Modoc 3.0 miles north of Ft. Bidwell, northern Warner Mountains. 1554 Comment
  RSA152424  Lupinus caudatus I. L. Wiggins, Dorothy Wiggins 1961-6-13 16461 Modoc 3 miles west of summit of Fandango Pass across Warner Mountains. Comment
  SD61033  Lupinus caudatus Darley F. Howe 1964-7-31 3907 Modoc 8.5 miles from entrance to Modoc National Forest; road east of Likely, Warner Mountains. Comment
  CAS-BOT-BC181881  Lupinus latifolius Roxana Stinchfield Ferris; R. Duthie 1919-6-14 1476 Modoc Parker Creek at Modoc Nat. Forest boundary. Comment
  SEINET195682  Lupinus laxiflorus var. calcaratus Annie M. Alexander, Louise Kellogg 1946-7-17 5004 Modoc Near Benton Meadow, Warner Mountains. 2073 Comment
  JEPS121191  Lupinus lepidus var. confertus Lowell Ahart, John Dittes 2013-7-25 18966 Modoc 10 yards W of the N-S fence, S edge of Ash Creek floodplain, NE of Patterson Homestead, E of Elkins Lane, 1.0 air mile S of County Road 87, 3.14 air miles W of Adin, Big Valley. Comment
  NY747264  Lupinus lepidus var. lobbii B. M. Bartholomew 1990-8-4 5645 Modoc Top of pass on Summit Trail, ca. 0.5 km southeast of Patterson Lake, east side of Warner Mountains 2800 Comment
  CAS-BOT-BC181858  Lupinus lepidus var. sellulus Bruce Bartholomew 1991-7-6 5974 Modoc Curtis Waterhole and adjacent lava outcrops. 1310 Comment
  CAS-BOT-BC181860  Lupinus lepidus var. sellulus Alice Eastwood; John Thomas Howell 1940-6-15 8302 Modoc 5 mi. N of Lookout. Comment
  CAS-BOT-BC181864  Lupinus lepidus var. sellulus Leland S. Smith 1924-6-9 1371 Modoc Egg Lake, Lava Beds West Lava Ranger Station. 1310 Comment
  SJSU9655  Lupinus lepidus var. sellulus W. Savage 1979-7-8 1491 Modoc N end Fairchild Swamp Unit, Triangle, Devils Garden District, Modoc National Forest Comment
  CAS-BOT-BC181852  Lupinus leucophyllus Alice Eastwood; John Thomas Howell 1940-6-14 8207 Modoc Canby. Comment
  NY747437  Lupinus microcarpus A. A. Heller 1941-6-26 16212 Modoc Along U.S. Highway #399, 8 miles west of Alturas Comment
  CAS-BOT-BC181835  Lupinus microcarpus var. microcarpus Bruce Bartholomew 1993-6-14 6664 Modoc 4 km E of County Road 114 on County Road 108, NW of Clear Lake Reservoir. 1400 Comment
  CAS-BOT-BC181836  Lupinus microcarpus var. microcarpus Margaret J. Williams; Thad Holcomb; Betty Holcomb; L. Saxton 1988-5-28 88- 24 -1 Modoc Grad up to Crowder Flat from Hwy 229, W of Alturas. Top of steep bank by road. Comment
  UC1736638  Lupinus microcarpus var. microcarpus Dean Wm. Taylor with Robert A. Price 1988-6-4 9758 Modoc Tule Lake Basin; Dobie Flat, 2.6 miles S10 E of Casuse Mountain, 1280 Comment
  JEPS65294  Lupinus polyphyllus var. burkei Frances D. Payne 1931-6-17 180 Modoc Parker Creek Warner Mountains, Parker Creek (s and e of Alturas) 1584 Comment
  NY747612  Lupinus polyphyllus var. saxosus R. M. Austin 05 1898 2140 Modoc 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
  CHSC118324  Lupinus saxosus L. P. Janeway 2016-5-17 12049 Modoc Modoc Plateau. Devils Garden area; along Road 48N08/73/ Crowder Flat Road 2.1 road-km north of Devils Garden Conservation Camp; about 6.5 air-km south of Big Sage Reservior. 1501 Comment
  SBBG3706  Lupinus saxosus H. and M. Dearing 1936-6-9 3631 Modoc near Squaw Peak, Warner Mtns 2133 Comment
  HSC25990  Lupinus sellulus var. sellulus D. H. Norris, T. Nelson, S. Dowty 1971-6-23 19513 Modoc Big Valley Summit, 6 mi. W of Adin on Hwy. 299 Comment
  SEINET10485941  Lupinus sellulus var. ursinus Duane Isely, I. Isely 1971-7-11 Isely 11372 Modoc Cedar-sagebrush, adjacent to state #139, e of lava beds national monument. 1036 Comment
  RSA325721  Lupinus subvexus var. subvexus A. Tiehm 8833 Modoc North edge of Lake Annie on the west side of Bidwell Mt., NE of Ft. Bidwell. 1530 Comment
  JEPS67161  Luzula comosa var. laxa M. S. Baker and Frank Nutting 1894-6-15 Modoc Big Valley Mountains Comment
  RSA551270  Luzula comosa var. laxa Bruce Bartholomew, B. Anderson 1988-7-23 4566 Modoc Dismal Swamp, Warner Mountains. 2180 Comment
  CAS-BOT-BC179872  Lycopus asper Herbert Louis Mason 1947-8-11 13490 Modoc Hwy 81, W margin of Lower Lake, near boundary between Lasson and Modoc counties. Comment
  UCD124962  Lycopus asper Herbert L. Mason 1947-8-11 13490 Modoc on Highway 81, west margin of Lower Lake, near boundary between Lassen and Modoc counties. Comment
  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
  JEPS5970  Madia citriodora Frances D. Payne 1932-6-10 531 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  SJSU11765  Madia citriodora R. L. Fisher 1958-6-13 Modoc near Adin Pass c. 6 mi S of Canby 1524 Comment
  UC89361  Madia exigua Mrs. R. M. Austin July 1894 281 Modoc Davis Creek Comment
  CAS-BOT-BC49407  Madia glomerata Bruce Bartholomew 1991-8-4 6019 Modoc S end of Rim Rock Valley, ca. 8 km directly W of Goose Lake. 1580 Comment
  UC1191985  Madia glomerata Herbert L. Mason 1947-8-11 13496 Modoc on Hwy 81 near boundary between Lassen and Modoc Counties (w margin of lake); Lower Lake Comment
  CAS-BOT-BC49424  Madia gracilis Bruce Bartholomew; Barrett Anderson 1990-7-20 5465 Modoc 4 km N of Buck Creek Ranger Station at turn off to Del Prat Spring, W side of Warner Mts. 1900 Comment
  POM204105  Madia gracilis subsp. gracilis J. T. Howell 1934-6-12 12025 Modoc Warner Mountains: Plum Valley Comment
  CAS-BOT-BC242037  Maianthemum racemosum Leland S. Smith 1918-6-22 953 Modoc Lily Lake. 1981 Comment
  CAS-BOT-BC242039  Maianthemum racemosum M. M. Hanna 1956-6-5 976 Modoc Cedar Pass. Comment
  UCD139122  Maianthemum stellatum Verne Grant; Irving Schneider 1947-7-22 8141 Modoc North Fork of Pit River on Highway 395, about one mile north of junction with Cedarville road. Comment
  RSA78906  Maianthemum stellatum E. K. Balls, Percy C. Everett 1952-10-10 18147 Modoc South fork of Public Camp, 8 mi E of Lilely, rd. to ZJess Valley. 1555 Comment
  SEINET12049321  Maianthemum stellatum R. M. Austin 1895-1 s.n. Modoc no further locality Comment
  HSC14227  Marrubium vulgare M. T. Milligan 1966-6-29 487 Modoc Slopes and ridges E of Jess Valley 1646 Comment
  CAS-BOT-BC71146  Marsilea Alice Eastwood; John Thomas Howell 1940-6-15 8282 Modoc Near Happy Camp Ranger Station Comment
  UC375183  Marsilea Milo S. Baker 1893-7-20 Modoc Big Valley Comment
  JEPS114951  Marsilea vestita subsp. vestita Lowell Ahart, John Dittes 2008-8-26 15340 Modoc On the bottom of Rose Creek, 750 feet southwest of confluence of Rose Creek and Pit River, on the northwest side of unnamed road, 2660 feet east of intersection with County Road 85a, 9.3 miles (air) north-northeast of Lookout 1276 Comment
  CHSC117234  Medicago lupulina Lowell Ahart; John Dittes 2016-7-16 21243 Modoc Between the first pond and the second going west, south of Ash Creek Canal (now filled in), south of Ash Creek, Ash Creek State Wildlife Area, 0.79 miles (air) south of County Road 87, 1.75 miles (air) west of Adin, Big Valley. 1273 Comment
  HSC1664  Melica bulbosa M. T. Milligan 1965-7-10 424 Modoc West slope of Eagle Peak 2439 Comment
  UCD87266  Melica fugax Beecher Crampton; Carl Rimbey 1954-7-7 2139 Modoc West side of Cedar Pass, Warner Mountains. 1889 Comment
  CHSC99961  Mentha canadensis Lowell Ahart; John Dittes 2008-8-26 15345 Modoc On the bottom of Rose Creek, 250 feet southwest of confluence of Rose Creek and Pit River, on the northwest side of unnamed road, 3160 feet east of intersection with County Road 85a, 9.3 miles (air) north-northeast of Lookout. 1276 Comment
  POM70715  Mentha canadensis Mrs. R. M. Austin 1895-08 s.n. Modoc Goose Lake Valley Comment
  CAS-BOT-BC179135  Mentzelia dispersa C. L. Hitchcock 1940-5-27 6690 Modoc 15 mi. NE of Alturas. 1615 Comment
  CAS-BOT-BC179136  Mentzelia dispersa Bruce Bartholomew 1989-7-15 4999 Modoc Sweagert Flat. 1860 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
  RSA101492  Mentzelia dispersa R. Weatherby 1955-7-8 1611 Modoc 7 miles north of Ft. Bidwell, northern Warner Mts. 1875 Comment
  UC19573  Mentzelia dispersa Mrs. R. M. Austin and Bruce July 1898 2367 Modoc Goose Lake Comment
  POM84012  Mentzelia dispersa R. M. Austin 1895-08 100 Modoc Goose Lake Valley Comment
  CAS-BOT-BC179117  Mentzelia veatchiana Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-10 6446 Modoc At the Nevada border directly E of Eagleville, E side of Surprise Valley. 1520 Comment
  RSA271900  Mentzelia veatchiana Christopher Davidson 1975-6-4 2612 Modoc 1/4 mi. W of Cedarville on Hwy 299. 1463 Comment
  CAS-BOT-BC54049  Mertensia longiflora Fred D. Douthitt 1916-4-20 4 Modoc Flournoy Swale. 1828 Comment
  HSC80936  Mertensia oblongifolia G. M. Riegel 1980-8-9 1016 Modoc S Warner Mtns. 2100 Comment
  HSC3706  Mertensia oblongifolia var. amoena M. T. Milligan 1965-7-10 423 Modoc W slope of Eagle Peak 2439 Comment
  CAS-BOT-BC54014  Mertensia oblongifolia var. nevadensis E. H. Steffen 1917-6-9 29 1/2 Modoc Jess Valley. 1981 Comment
  CAS-BOT-BC54023  Mertensia oblongifolia var. oblongifolia Annie Montague Alexander; L. Kellogg 1946-6-30 4882 Modoc Highgrade, west side of ridge, N end of Warner Mountains 2377 Comment
  CAS-BOT-BC225952  Micranthes nidifica Annie Montague Alexander; L. Kellogg 1946-6-30 4879 Modoc Highgrade, W side of ridge, N end of Warner Mts. 2377 Comment
  CAS-BOT-BC225958  Micranthes nidifica Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-11 6509 Modoc Ca. 3 km S of Oregon border on Forest Service Rte. 7. 1720 Comment
  CAS-BOT-BC225960  Micranthes nidifica Mrs. H. C. Cantelow 1941-5-23 3533 Modoc E of Adin Pass Summit between Adin Canby, Hwy 299. 1576 Comment
  CAS-BOT-BC225964  Micranthes nidifica Bruce Bartholomew; Mona Bourell 1990-4-27 5171 Modoc NW side of Rice Flat, ca. 2 km S of Adin Pass. 1540 Comment
  CAS-BOT-BC49392  Microseris laciniata subsp. laciniata Leland S. Smith 1924-6-8 1382 Modoc Egg Lake near SW corner in meadow. 1341 Comment
  UC35778  Microseris laciniata subsp. laciniata M. S. Baker and Frank Nutting 1894-6-8 Modoc near Egg Lake Comment
  CAS-BOT-BC49356  Microseris nutans Annie Montague Alexander; L. Kellogg 1946-7-17 5003 Modoc Benton Meadow, Warner Mountains 2072 Comment
  CAS-BOT-BC49363  Microseris nutans John Thomas Howell 1934-6-13 12057 Modoc Fandango Pass. 1828 Comment
  CAS-BOT-BC49394  Microseris nutans John Thomas Howell 1934-6-13 12051 Modoc Fandango Pass, Warner Mountains 1828 Comment
  CAS-BOT-BC49400  Microseris nutans Bruce Bartholomew; Barrett Anderson 1990-7-20 5524 Modoc Tamarack Flat, E side of Warner Mts. 2150 Comment
  RSA416452  Microseris nutans Christopher Davidson 1973-5-26 2146 Modoc Ca. 1 mile N of Adin Summit on State Highway 299. Modoc National Forest. 1524 Comment
  CAS-BOT-BC197917  Microsteris gracilis Bruce Bartholomew 1992-5-17 6341 Modoc S side of White Horse Flat Reservoir in the vicinity of McArthur Cow Camp. 1390 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
  UCSB27157  Microsteris gracilis Wilken, Dieter 1969-7-28 Modoc Mill Creek Falls; near Clear Lake; east of Likely; Warner Mtns 1767 Comment
  JEPS3972  Mimulus arvensis Frances D. Payne 1932-6-24 597 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  UC748145  Mimulus arvensis Annie M. Alexander and Louise Kellogg 1946-6-18 4800 Modoc Patterson Mill-Silver Creek roads 1828 Comment
  UCSB21215  Mimulus breviflorus Hardham, Clare 1961-6-17 Modoc Cedar Pass Campground; Warner Mountains Comment
  JEPS3164  Mimulus breviflorus Frances Payne 1935-7-19 785 Modoc about 12 air mi due e Alturas (at confluence of Dry and Parker Creeks); Warner Mountains Comment
  UC1553379  Mimulus breweri Sch/Yor/Hor/Ach 1988-7-16 1827 Modoc ca. 1 mi se Pepperdine Camp; Warner Mtns. 2316 Comment
  HSC20751  Mimulus guttatus M. T. Milligan 1965-6-23 298 Modoc N end Jess Valley 1616 Comment
  JEPS11393  Mimulus guttatus W. L. Jepson 1918-8-7 7853 Modoc Mt. Bidwell Warner Mts. 1798 Comment
  UCR34706  Mimulus guttatus J. A. Harpel 1981-8-6 V 30 Modoc Warner Mtns, South Warner Wilderness Area: E end of Patterson Lake, 7 mi NW of Eagleville 2744 Comment
  UC1537634  Mimulus guttatus Gordon H. True Jr. 1939-7-21 1032 Modoc Jack Swamp Comment
  HSC26592  Mimulus latidens D. H. Norris, T. Nelson, S. Dowty 1971-6-23 19521 Modoc Big Valley Summit, 6 mi. W of Adin on Hwy. 299 Comment
  RSA503045  Mimulus lewisii K. Paulson, R. Paulson 1988-7-9 71 Modoc Near Poison Lake, Warner Mountains. 2104 Comment
  HSC86890  Mimulus lewisii Robert A. Schlising 1978-7-29 3321 Modoc Warner Mtns., Pine Creek Basin in S Warner Wilderness Area Comment
  RSA503241  Mimulus lewisii Bruce Bartholomew, B. Anderson 1988-7-22 4537 Modoc Side Creek, W side of Lake City Canyon, E side of the Warner Mountains. 1980 Comment
  SJSU9892  Mimulus longulus W. Savage 1979-7-26 1571 Modoc Fletcher Cr, Long Meadow Unit, Devils Garden District, Modoc National Forest 1615 Comment
  UC1523788  Mimulus nanus var. jepsonii Gregg Riegel 1981-7-13 1151 Modoc near Day 1524 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
  JEPS15588  Mimulus nanus var. nanus Frances D. Payne 1931-6-29 760 Modoc ridge s Granger Pass (pass at head of Granger Creek); Warner Mountains 1981 Comment
  JEPS4012  Mimulus nanus var. nanus Mary H. Manning 1914-4-29 Modoc near Lake City (Lake City Road, by Rice's Ranch) Comment
  UCR34779  Mimulus primuloides J. A. Harpel 1981-8-6 V- 7 Modoc Warner Mtns, South Warner Wilderness Area: E end of Patterson Lake, 7 mi NW of Eagleville 2744 Comment
  JEPS86680  Mimulus pulsiferae L. R. Heckard with T. I. Chuang 1990-7-14 6761 Modoc 0.7 mi e Soldier Creek Rd. (along Old Common Mill Rd., ca. 2 mi n of Cedar Pass) 2075 Comment
  UC1736251  Mimulus pygmaeus Dean W. Taylor 1987-6-6 9016 Modoc southeast margin Egg Lake, along the outlet stream 1280 Comment
  RSA584831  Mimulus suksdorfii Bruce Bartholomew 1993-6-13 6636 Modoc Consolidated sand dunes just W of Leonard Hot Spring; E side of Surprise Valley. 1410 Comment
  UC26856  Mimulus tricolor M. S. Baker and Frank Nutting 1894-6-8 Modoc Egg Lake Comment
  UC8124  Minuartia douglasii Milo S. Baker 1894-6-25 Modoc Big Valley Mountains Comment
  CAS-BOT-BC179365  Monardella odoratissima subsp. glauca Bruce Bartholomew; Barrett Anderson 1990-7-20 5471 Modoc 7.4 km N of Buck Creek Ranger Station, W W side of Warner Mts. 1940 Comment
  CAS-BOT-BC179366  Monardella odoratissima subsp. glauca Alice Eastwood; John Thomas Howell 1940-6-13 8175 Modoc E side of Cedar Pass. Comment
  JEPS81094  Monardella odoratissima subsp. glauca G. Schoolcraft 1979-7-17 148 Modoc Above Stowe Reservoir 2072 Comment
  POM260798  Monardella odoratissima subsp. glauca Alice Eastwood, J. T. Howell 1940-6-13 8175 Modoc East side of Cedar Pass Comment
  CHSC67816  Monardella odoratissima subsp. odoratissima James D. Jokerst 1990-8-1 3206 Modoc Lava Beds National Monument, summit and upper W-facing slope of Caldwell Minor near E edge of monument boundary. 1402 Comment
  HSC93616  Monardella odoratissima subsp. odoratissima James D. Jokerst 1990-8-1 3206 Modoc Lava Beds National Monument, summit and upper W facing slope of Caldwell Minor near E edge of monument boundary 1402 Comment
  CAS-BOT-BC179357  Monardella odoratissima subsp. pallida Bruce Bartholomew 1995-6-22 6978 Modoc Between Day and Lookout, 7.4 km W of Day on County Road 94 along Widdow Valley Creek. 1350 Comment
  CAS-BOT-BC179359  Monardella odoratissima subsp. pallida Bruce Bartholomew 1990-8-5 5666 Modoc Summit Trail, ca. 3 km N of Patterson Ranger Station, W side of Warner Mts. 2440 Comment
  CAS-BOT-BC95546  Monolepis nuttalliana Bruce Bartholomew 1989-7-14 4959 Modoc Survice Gulch ca. 3 km NE of Egg Lake. 1340 Comment
  CAS-BOT-BC197520  Montia chamissoi E. S. Willits 1940-5-17 265 Modoc Willow Ranch. Comment
  HSC68841  Montia chamissoi Gary Schoolcraft 1980-7-22 328 Modoc Lake City Canyon W of Lake City 2195 Comment
  UC412639  Montia chamissoi Franklin P. Nutting Modoc near Egg Lake Comment
  UC748122  Montia chamissoi Annie M. Alexander and Louise Kellogg 1946-6-22 4814 Modoc Lake Annie 1524 Comment
  CHSC107374  Montia dichotoma Lowell Ahart; John Dittes 2011-6-22 17551 Modoc On the west side of the road, about 50 yards north of the Pilot Butte Parking Lot, north edge of Ash Creek Floodplain, 1.1 miles (air) south of County Road 87, 7.7 miles (air) west of Aden, 10 miles (air) east of Lookout, Big Valley. 1264 Comment
  CAS-BOT-BC197511  Montia fontana Bruce Bartholomew; Barrett Anderson 1989-6-2 4845 Modoc Vicinity of Stough Reservoir, Warner Mountains. 1950 Comment
  UC711854  Montia fontana Roxana S. Ferris and Laura Lorraine 1941-8-13 10528 Modoc Patterson Ranger Station, East Creek drainage, Modoc National Forest Patterson Ranger Station; Warner Mountains, Modoc National Forest, Patterson Ranger St 2164 Comment
  CAS-BOT-BC197505  Montia linearis Roxana Stinchfield Ferris; L. Lorraine 1941-8-14 10601 Modoc 8.5 mi. from Patterson Ranger Station on Eagleville road, Warner Mts. Comment
  CAS-BOT-BC197506  Montia linearis Bruce Bartholomew; Barrett Anderson 1989-4-30 4715 Modoc Along Ralston Gulch, 2.4 km S of Caldwell Road (Co. road 54). 1450 Comment
  CAS-BOT-BC197544  Montia linearis Roxana Stinchfield Ferris; R. Duthie 1919-6-14 42 Modoc Parker Creek near Modoc Nat. Forest Boundary. Comment
  RSA59649  Montia linearis E. K. Balls 1950-5-12 14642 Modoc Above Bucks Creek Ranger Station, Modoc National Forest, E of Goose Lake. 1738 Comment
  JEPS70579  Muhlenbergia asperifolia L. S. Smith 1917-8-19 152 Modoc Bidwell Warner Mts. 1371 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
  POM313207  Muhlenbergia asperifolia H. L. Mason 1947-8-15 13542 Modoc Mouth of Crane Creek on Willow Ranch, east side of Goose Lake. Comment
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Aug 21 2013
  RSA0039529  Muhlenbergia richardsonis Lowell A. Ahart, John Dittes 2012-7-10 18325 Modoc 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
  SEINET1909952  Muhlenbergia richardsonis Barbara Ertter 1988-1 1988 Modoc Modoc Co.: W side Hwy 139 just S of where it crosses railroad at jct to clear Lake, NE of Dry Lake E of Lava Beds Nat'l Monument. 1250 Comment
  RSA722575  Munroa squarrosa Richard Halse 2006-8-3 6988 Modoc Along Jess Valley Road ca. 4 miles east of Likely, just past bridge over the Pit River. 1387 Comment
  UC748461  Myosotis scorpioides Annie M. Alexander and Louise Kellogg 1946-6-28 4866 Modoc n. end Warner Mts., Pine Creek Canyon 1615 Comment
  CAS-BOT-BC392256  Myosurus apetalus E. K. Balls 1950-5-14 14693 Modoc 2.5 mi. n. of boundary Modoc Nat'l Forest, junction of roads to Emigrant Spring, Thomas Reservoir and Dead Horse Reservoir 1524 Comment
  UCD18894  Myosurus apetalus Vernal Pool Team 2001; Carol Witham and Jennifer Buck 2001-5-10 202 Modoc 5 mi. NE along Hwy 139 from its intersection with Hwy 299, south of hwy 139, Canby site, pool # CAN001. Comment
  CHSC85126  Myosurus minimus John Dittes; Josephine Guardino 1991-6-1 353 Modoc Modoc Plateau; Big Valley; Ash Creek Wildlife Area; ca. 7.7 air-miles northeast of Bieber, ca. 4.0 air-miles west by southwest of Adin, ca. 5.0 air-mile east by southeast of Pilot Butte summit, ca. 0.6 mile east of Walters Road and Owl Barn; meadow at southern edge of Ash Creek Floodplain. 1271 Comment
  SEINET934247  Myriophyllum sibiricum Verne Grant, Herbert L. Mason 1947-1 13385 Modoc Irrigation ditch by Jones Lane, off Highway 395, several miles south of Alturas. Comment
  CAS-BOT-BC179313  Nama densa Bruce Bartholomew; M; M. Gilbert; L. E. Skog 1993-5-10 6459 Modoc Near Eagleville Airport, E side of Surprise Valley. 1400 Comment
  CAS-BOT-BC198011  Navarretia breweri Alice Eastwood; John Thomas Howell 1940-6-13 8133 Modoc W side of Fandango Pass. Comment
  CAS-BOT-BC198020  Navarretia breweri Bruce Bartholomew; Barrett Anderson 1988-6-24 4354 Modoc 9.8 km SW of County road 1 on County Road 42, E side of the Warner Mts.. 1960 Comment
  CAS-BOT-BC198024  Navarretia breweri Robert Patterson; Mona Bourell 1993-8-15 5243 Modoc Warner Mountains. Along trail from Patterson Lake to ca. 2 mi north towards Pepperdine Trailhead. 2743 Comment
  UC1178897  Navarretia breweri Herbert L. Mason 1947-7-8 13306 Modoc Cedar Pass, summit of Warner Range Warner Range 1920 Comment
  CAS-BOT-BC197997  Navarretia divaricata subsp. vividior Bruce Bartholomew; Barrett Anderson 1988-6-25 4396 Modoc Ryan Canyon, N of Adin. 1390 Comment
  CAS-BOT-BC197999  Navarretia divaricata subsp. vividior Mrs. Annie F. Rodda 1932-7-1 s.n. Modoc Between Macarthur and Alturas. Comment
  CAS-BOT-BC197981  Navarretia intertexta subsp. propinqua Alice Eastwood; John Thomas Howell 1940-6-13 8131 Modoc W side of Fandango Pass. Comment
  UC526146  Navarretia intertexta subsp. propinqua John Thomas Howell 1934-6-15 12199 Modoc 2 mi e Alturas; Dorris Reservoir Comment
  SJSU9551  Navarretia leptalea W. Savage 1979-7-3 1285 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  CAS-BOT-BC197960  Navarretia leucocephala subsp. minima Bruce Bartholomew 1990-6-18 5374 Modoc 5.5 km N of Hwy 299 on Crowder Flat Rd. 1450 Comment
  CHSC85115  Navarretia leucocephala subsp. minima John Dittes; Josephine Guardino 1991-7-21 424 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
  UC1058212  Navarretia leucocephala subsp. minima C. McMillan 1949-6-16 1538 Modoc 3 mi s Crowder Flat (35 mi n of Canby) Comment
  UC1228168  Navarretia leucocephala subsp. minima Beecher Crampton 1960-6-17 5679 Modoc 2 mi n Perez 1280 Comment
  SEINET195707  Navarretia propinqua Annie M. Alexander, Louise Kellogg 1946-7-7 4932 Modoc Eight Mile Creek; NE corner of county. 1753 Comment
  POM520383  Navarretia sinistra Bruce Bartholomew, B. Anderson 1990-7-21 5588 Modoc Bear Flat, W side of Warner Mts, Ranger Station, Station, E side of Warner Mts. 1830 Comment
  RSA67203  Navarretia sinistra Verne Grant, Alva Grant 1947-7-13 8013 Modoc At west end of Fandango Valley, road from Goose Lake to Fort Bidwell Comment
  CAS-BOT-BC197958  Navarretia subuligera Alice Eastwood; John Thomas Howell 1940-6-15 8299 Modoc 5 mi. N of Lookout. Comment
  CAS-BOT-BC95149  Nemacladus capillaris Bruce Bartholomew; Barrett Anderson 1988-6-25 4399 Modoc Ryan Canyon, N of Adin. 1390 Comment
  CAS-BOT-BC179282  Nemophila pedunculata Lincoln Constance 1938-6-12 2337 Modoc Margin of Rush Creek, 8 mi. NE of Adin. 1524 Comment
  CAS-BOT-BC179288  Nemophila pedunculata Bruce Bartholomew; M; M. Gilbert; L. E. Skog 1993-5-10 6428 Modoc 5 km NE of Davis Creek on road to Plum Valley Campground. 1700 Comment
  UC65048  Nemophila pedunculata Milo S. Baker 1893-1 Modoc Forestdale Comment
  UC726196  Neoholmgrenia andina A. A. Heller 1941-6-25 16198 Modoc on the Cedarville rd a short distance e junction with U.S. Highway 395 Comment
  POM42286  Nestotus stenophyllus Mrs. R. M. Austin 1894-05 s.n. Modoc Goose Lake Valley. Comment
  UC36566  Nestotus stenophyllus Mrs. C. C. Bruce Jun, 1898 2184 Modoc Hugh table land, Lake City Mt. Comment
  UC427888  Nicotiana attenuata Isabel Kelly 1930-1 Modoc ne of Fort Bidwell (on the Cowhead Lake road); Surprise Valley Comment
  CAS-BOT-BC49371  Nothocalais troximoides Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-13 6532 Modoc Just W of Mud Lake on road to West Valley Reservoir. 1460 Comment
  CAS-BOT-BC349919  Nothocalais troximoides Lillian Mott 1976-5-29 7 LM76 Modoc Devils Garden, north of Alturas 1402 Comment
  CAS-BOT-BC191143  Nuphar lutea subsp. polysepala Elmer Ivan Applegate 1929-7-29 6092 Modoc Pond at N end of Clear Lake. Comment
  UC985676  Nuphar lutea subsp. polysepala Herbert L. Mason, Verne Grant 1947-7-12 13388 Modoc several miles s of Alturas (Irrigation ditch by Jones' Lane, off Highway 395) Comment
  SEINET230068 Image available Nuphar lutea subsp. polysepala Leila M. Shultz, John S. Shultz 1985-1 8600 Modoc South fork of the Pit River, at crossing 14 mi N. of Likely 1372 Comment
  POM126858  Oenothera deltoides subsp. piperi P. A. Munz 1929-03 1916 Modoc Cedarville & Lake City Comment
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Jan 23 2011
  UC71870  Oenothera elata subsp. hirsutissima Mrs. M. H. Manning 1904-7 209 Modoc near Fort Bidwell (ne Modoc Co.) Comment
  CAS-BOT-BC190800  Oenothera flava subsp. flava Elmer Ivan Applegate 1897-6-5 3026 Modoc Near Alturas. Comment
  UCR143283  Oenothera tanacetifolia George Willet 1935-6-13 s.n. Modoc 4 mi east of Likely 1524 Comment
  RSA59364  Olsynium douglasii E. K. Balls 1950-5-11 14629 Modoc 8.1 miles NE of Fort Bidwell. Above Cow Head Lake. Along 8 Mile Creek. 1463 Comment
  CAS-BOT-BC245090  Olsynium douglasii var. douglasii Bruce Bartholomew; M; M. Gilbert; L. E. Skog 1993-5-11 6512 Modoc 11 km S of Oregon Border along W side of Goose Lake. 1440 Comment
  JEPS64298  Olsynium douglasii var. douglasii B. M. Payne 1930-4-19 344 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  CAS-BOT-BC190797  Orobanche corymbosa Elmer Ivan Applegate 1925-7-15 4415 A Modoc Doublehead Mountain, Clear Lake. Comment
  CAS-BOT-BC190799  Orobanche corymbosa Bruce Bartholomew 1995-9-3 7188 Modoc Steep sagebrush covered slope NW of North Emerson Lake, E side of Warner Mountains. 2470 Comment
  RSA0077929  Orobanche corymbosa subsp. corymbosa Louis C. Wheeler 1935-8-28 3927 Modoc Devil's Garden: 1.5 miles S of Lakeshore Reservoir. 1524 Comment
  RSA0070489  Orobanche uniflora subsp. occidentalis E. K. Balls 1950-5-12 14649 Modoc Hillsides north of Bucks Creek Ranger Station, Modoc National Forest; E of Goose Lake. 1737 Comment
  CAS-BOT-BC95701  Orthilia secunda Elmer Ivan Applegate 1932-8-6 8213 Modoc Moist woods above Lily Lake, Bidwell Mountains. Comment
  SJSU9692  Orthocarpus bracteosus W. Savage 1979-7-21 1553 Modoc Oregon Rim Unit, Devils Garden District, Modoc National Forest 1584 Comment
  CAS-BOT-BC232178  Orthocarpus cuspidatus subsp. copelandii Frank Warrington Peirson 1926-6-25 6871 Modoc Cedarville Pass. Comment
  CAS-BOT-BC232322  Orthocarpus cuspidatus subsp. copelandii Francis Dorris Payne 1932-6-26 614 Modoc Parker Creek. 1584 Comment
  CAS-BOT-BC232323  Orthocarpus cuspidatus subsp. copelandii Louis Cutter Wheeler 1935-8-2 3751 Modoc Twenty Mile Creek, Warner Mountains 2225 Comment
  RSA80247  Orthocarpus cuspidatus subsp. copelandii F. W. Peirson 1926-6-25 6871 Modoc Summit of grade, Cedarville Pass, Warner Mountains. Comment
  POM98607  Orthocarpus cuspidatus subsp. copelandii F. W. Peirson 1926-6-25 6871 Modoc Cedarville Road, Warner Mountains. Comment
  CDA14602  Orthocarpus cuspidatus subsp. cryptanthus G. D. Barbe 1991-8-27 4442 Modoc Warner Mountains; east of Bald Mountain, Modoc National Forest. 2316 Comment
  JEPS62837  Orthocarpus cuspidatus subsp. cryptanthus John Weiler 1970-7-7 70222 Modoc on rocky slope at Cedar Pass; Warner Mountains, rocky slope at Cedar Pass 1920 Comment
  JEPS9434  Orthocarpus cuspidatus subsp. cryptanthus Mary H. Manning 1907-1 712 a Modoc e side Mt. Bidwell (on Twelve-mile Creek); Mt. Bidwell (e side), on Twelve-mile Creek Comment
  RSA504599  Orthocarpus hispidus Bruce Bartholomew, B. Anderson 1988-6-23 4282 Modoc Widow Valley, 18.0 km W of Day on County Road 94. 1230 Comment
  RSA505398  Orthocarpus hispidus R. C. Bacigalupi, G. Thomas Robbins 1955-7-19 5382 Modoc Edges of Soup Spring Meadow, southern Warner Mountains, Modoc Nat. Forest. 2073 Comment
  HSC80794  Osmorhiza berteroi G. M. Riegel 1980-7-1 800 Modoc South Warner Mountains 1670 Comment
  CAS-BOT-BC15701  Osmorhiza occidentalis Francis Dorris Payne 1932-7-1 661 Modoc Pine Creek Basin. 2316 Comment
  CAS-BOT-BC218102  Oxyria digyna Bruce Bartholomew 1992-8-8 6377 Modoc Vicinity of Patterson Lake, E side of Warner Mountains. 2750 Comment
  CAS-BOT-BC218103  Oxyria digyna Annie Montague Alexander; L. Kellogg 1946-7-23 5058 Modoc Emerson Peak, Warner Mts. Comment
  CHSC100838  Oxyria digyna L. P. Janeway 2008-8-17 9568 Modoc Warner Mountains. North slope of Bald Mountain; just below the cliffs at the top of the peak. 2400 Comment
  CHSC109210  Packera cana L. P. Janeway; B. Castro 2012-7-24 10966 Modoc Warner Mountains. Along Forest Road/County Road 2 (the road from New Pine Creek to Fort Bidwell) 1.0 air km west of Lily Lake and 1.4 air km northwest of Yellow Mountain. 1948 Comment
  UC35953  Packera cana Mrs. R. M. Austin June 1895 Modoc Hills e Goose Lake 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
  UC1035973  Packera eurycephala Helen K. Sharsmith 1955-6-25 4507 Modoc n slope Jess Valley; Warner Mountains, Modoc National Forest 1584 Comment
  JEPS6010  Packera eurycephala Frances D. Payne 1932-6-22 581 Modoc s and e of Alturas; Warner Mountains, Parker Creek 1584 Comment
  CAS-BOT-BC50311  Packera eurycephala var. eurycephala Bruce Bartholomew 1991-7-5 5940 Modoc Dry wash draining into North Willow Creek, between Crowder Flat and the Oregon border. 1620 Comment
  CAS-BOT-BC190781  Paeonia brownii Bruce Bartholomew; Barrett Anderson 1988-6-24 4368 Modoc Vicinity of Patterson Campground, southern end of the Warner Mts.. 2190 Comment
  CAS-BOT-BC248355  Paeonia brownii B. Bartholomew; H. Sun 2002-6-24 8838 Modoc Ca. 1 km NW of Bald Mt., E side of the Warner Mountains 2290 Comment
  UC480851  Paeonia brownii W. P. Taylor and H. C. Bryant 1910-7-13 Modoc N. Fork Parker Creek Warner Mountains (head) 2286 Comment
  UC748209  Paeonia brownii Annie M. Alexander and Louise Kellogg 1946-6-15 4778 Modoc Deep Creek 2164 Comment
  JEPS60654  Paeonia brownii Milo S. Baker 1893-6-1 Modoc Comment
  POM99644  Paeonia brownii R. M. Austin, C. C. Bruce 1898-06 2227 Modoc Lake City Mt. Comment
  CHSC115593  Panicum capillare Lowell Ahart; John Dittes 2015-7-16 20392 Modoc North edge of Ash Creek (destroyed), southeast of the gravel pit (destroyed), about 1/8 mile east of the parking area on the east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  UC1024778  Panicum capillare Leo Whitney 2246 Modoc ca 15 mi nw Canby (Hackamore, Modoc National Forest); Modoc National Forest, Hackamore 1463 Comment
  POM126423  Paxistima myrsinites Franklin P. Nutting s.n. Modoc Near Forestdale. Comment
  UC27296  Pedicularis attollens Mrs. R. M. Austin Aug. 1894 Modoc Davis Creek Comment
  RSA531346  Pedicularis attollens K. Paulson, R. Paulson 1989-7-4 168 Modoc Ca. 1 mi S of Patterson Ranger Station, S end of Warner Mts. 2128 Comment
  JEPS3861  Pedicularis groenlandica N. T. Mirov 1929-7-4 Modoc Lily Lake, about 1 mi s of Oregon-California boundary Lily Lake; Warner Mountains 2133 Comment
  CAS-BOT-BC232307  Pedicularis groenlandica subsp. surrecta K. Paulson; Robert Paulson 1989-7-14 183 Modoc Vicinity of Cave Lake, N end of the Warner Mts. 1987 Comment
  CAS-BOT-BC232342  Penstemon davidsonii var. davidsonii Elmer Ivan Applegate 1932-8-3 8120 Modoc High arid summit of Warner Mts. just N of Eagle Peak. Comment
  CAS-BOT-BC232348  Penstemon davidsonii var. davidsonii Francis Dorris Payne 1929-7-26 s.n. Modoc Mt. Warren, Warner Mountains Comment
  CAS-BOT-BC265301  Penstemon davidsonii var. davidsonii John Thomas Howell 1934-6-14 12122 Modoc Near Lost Lake, Warner Mountains 2438 Comment
  UC1586980  Penstemon deustus Juha Pykala and D. H. Norris 1987-5-27 1037 Modoc between Lower Rush Creek Campground and Upper Rush Creek Campground; Modoc National Forest 1493 Comment
  RSA165591  Penstemon deustus subsp. heterander Clare B. Hardham 1961-6-19 7850 Modoc Davis Creek. Comment
  CAS-BOT-BC232328  Penstemon deustus var. pedicellatus Francis Dorris Payne 1932-6-10 532 Modoc Parker Creek. 1584 Comment
  HSC1971  Penstemon deustus var. pedicellatus M. T. Milligan 1965-6-30 394 Modoc Slopes and ridges E of Jess Valley. 1768 Comment
  JEPS28989  Penstemon deustus var. pedicellatus Frances D. Payne 1929-7-26 112 Modoc Pine Creek Basin Warner Mts., Pine Creek Basin 2133 Comment
  NY591814  Penstemon deustus var. pedicellatus B. M. Bartholomew 1989-6-3 4876 Modoc Boles Creek, ca. 5.5 km east of the southeast corner of Clear Lake Reservoir. 1430 Comment
  CAS-BOT-BC245531  Penstemon gracilentus Bruce Bartholomew; Barrett Anderson 1988-7-21 4472 Modoc Vicinity of Patterson Campground, southern end of the Warner Mts. 2190 Comment
  RSA504843  Penstemon gracilentus Bruce Bartholomew, B. Anderson 1988-7-21 4472 Modoc Vicinity of Patterson Campground, Southern end of the Warner Mountains. 668 Comment
  UCD149975  Penstemon gracilentus Harry George 1967-6-15 s.n. Modoc Egg Lake. Comment
  CAS-BOT-BC245522  Penstemon humilis var. humilis John Thomas Howell 1934-7-1 12337 Modoc Duncan Horse Camp. 1355 Comment
  CAS-BOT-BC245523  Penstemon humilis var. humilis Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-15 16496 Modoc SE flank of Glass Mt., near Modoc-Siskiyou county line. Comment
  CAS-BOT-BC245528  Penstemon humilis var. humilis Lindsay Stuart Smith 1924-6-12 612 Modoc unspecified Comment
  SEINET4854504  Penstemon janishiae Unknown 1978-6-8 8883 Modoc Crowder Flat Rd., 0.5 km (0.3 mi) from junction with California Highway 395 (Alturas). 1340 Comment
  UC1586981  Penstemon laetus Juha Pykala and D. H. Norris 1987-5-27 1082 Modoc about 1.5-2 mi from Highway 299 to Modoc National Forest boundary (Crowder Flat Road) 1499 Comment
  CAS-BOT-BC232523  Penstemon roezlii Barrett Anderson 1986-7-10 3203 Modoc West Warner Rd just S of the N Fork of Fitzhugh Creek. 1980 Comment
  NY650112  Penstemon roezlii F. W. Pennell 1940-6-7 25278 Modoc Route 299, 4 miles northeast of Adin 1341.1 Comment
  UC27457  Penstemon roezlii Milo S. Baker 1893-6-14 Modoc near shore Egg Lake; near shore of Egg Lake Comment
  RSA554807  Penstemon roezlii Margaret J. Williams, Arnold Teihm, Jan Nachlinger 1988-6-2 88- 28 -7 Modoc Jess Valley, E of Likely, S of roadside rest. Comment
  SEINET183710  Penstemon roezlii L. Constance 1938-6-12 2335 Modoc Near foot of Banner Grade Cedar Pass rd 12.8 mi NE of Alturas W foothills of Warner Range 1463 Comment
  CAS-BOT-BC245497  Penstemon rydbergii var. oreocharis David Daniels Keck; Jens Chr. Clausen 1935-6-24 3722 Modoc 1.5 mi. N of Davis Creek. 1524 Comment
  CAS-BOT-BC245499  Penstemon rydbergii var. oreocharis John Thomas Howell 1934-6-12 12022 Modoc Plum Valley. Comment
  CAS-BOT-BC245507  Penstemon rydbergii var. oreocharis Bruce Bartholomew; Barrett Anderson 1989-6-3 4871 Modoc Boles Creek, ca. 5.5 km E of the SE corner of Clear Lake Reservoir. 1430 Comment
  CAS-BOT-BC245509  Penstemon rydbergii var. oreocharis E. S. Willits 1940-6-9 337 Modoc 12 Mile Creek. Comment
  HSC21044  Penstemon rydbergii var. oreocharis M. T. Milligan 1964-6-25 84 Modoc Upper Lassen Creek 1829 Comment
  CAS-BOT-BC245543  Penstemon speciosus C. L. Hitchcock 1940-5-27 6666 Modoc 15 mi. NE of Alturas. 1615 Comment
  CAS-BOT-BC248310  Penstemon speciosus B. Bartholomew; H. Sun 2002-6-24 8851 Modoc E of Bald Mt., on the E side of the Warner Mountains 2130 Comment
  HSC21057  Penstemon speciosus M. T. Milligan 1966-8-3 632 Modoc W slope of Eagle Peak 2439 Comment
  NY661014  Penstemon speciosus R. M. Austin 07 1898 2359 Modoc Comment
  CAS-BOT-BC140469  Peraphyllum ramosissimum Ella Dales Cantelow 1940-5-31 4302 Modoc 3 mi. E. of Canby Comment
  CAS-BOT-BC15709  Perideridia bolanderi subsp. bolanderi Barrett Anderson 1986-7-9 3148 Modoc Crowder Flat Rd, 3.2 km off Hwy 299. 1510 Comment
  UC71871  Perideridia oregana Mrs. M. H. Manning May 1903 102 Modoc near Fort Bidwell (ne Modoc Co.) Comment
  CAS-BOT-BC95157  Peritoma platycarpa C. C. (Mrs.) Bruce 1898-6-1 2180 Modoc Likely. Comment
  CHSC71883  Persicaria amphibia Vernon H. Oswald; Lowell Ahart 1998-9-8 9592 Modoc County Rd. 95 at Taylor Creek northwest of Lookout and ca. 0.5 air mi northeast of Lookout Junction. Growing in a marshy pool in the creek. 1280 Comment
  UC1051789  Phacelia L. R. Heckard 1952-6-19 312 a Modoc just below summit of Fandango Pass (sw of Fort Bidwell); Warner Mountains 1828 Comment
  CHSC23594  Phacelia adenophora K. R. Stern; D. B. Joley, J. G. Geschke 1974-6-23 5847 Modoc Comment
  RSA427960  Phacelia frigida subsp. dasyphylla Christopher Davidson 1975-6-4 2610 Modoc A quarter mile west of Cedarville on Highway 299. 1463 Comment
  NY1055054  Phacelia glandulifera J. G. Lemmon 06 1879 s.n. Modoc Surprise Valley and near Susanville Comment
  HSC81069  Phacelia hastata G. M. Riegel 1980-8-28 1070 Modoc S Warner Mtns. 1739 Comment
  UC748111  Phacelia hastata Annie M. Alexander and Louise Kellogg 1946-6-30 4870 Modoc Highgrade north end of Warner Mountains (w side of ridge) 2377 Comment
  CAS-BOT-BC179274  Phacelia hastata subsp. compacta Annie M. Alexander; Miss Louise Kellogg 1946-8-1 5116 Modoc Eagle Peak. 3019 Comment
  CAS-BOT-BC248338  Phacelia hastata subsp. hastata B. Bartholomew; H. Sun 2002-6-24 8812 Modoc Ridge top just S of Manzanita Mt. and 15.3 straight line km NW of Aden 2070 Comment
  RSA504603  Phacelia hastata subsp. hastata Bruce Bartholomew, B. Anderson 1988-6-23 4267 Modoc 1.8 km WSW of Day on County Road 94. 1170 Comment
  HSC13656  Phacelia hastata var. hastata M. T. Milligan 1964-6-25 87 Modoc Upper Lassen Creek 1829 Comment
  CAS-BOT-BC180003  Phacelia heterophylla subsp. virgata Annie Montague Alexander; L. Kellogg 1946-6-10 4721 Modoc Lava bench between Lower and Snake Lakes, slope facing Lower Lake. Comment
  CAS-BOT-BC180008  Phacelia heterophylla subsp. virgata Bruce Bartholomew; Barrett Anderson 1989-6-3 4900 Modoc ca. 8 km WNW of Long Bell Ranger Station. 1350 Comment
  UC735105  Phacelia heterophylla subsp. virgata Lincoln Constance 1946-7-4 3101 Modoc above Thom's Creek (17 mi ne of Alturas); Warner Mountains 1676 Comment
  SJSU9504  Phacelia humilis H. L. Buckalew 1961-6-20 Modoc Stough (""Stowe"") Reservoir c. 1 mi N of Cedar Pass on Alturas-Cedarville Rd, Warner Mts 1920 Comment
  UC711822  Phacelia humilis Roxana S. Ferris and Laura Lorraine 1941-8-13 10542 Modoc Patterson Ranger Station (East Creek drainage) Warner Mountains, Modoc National Forest 2164 Comment
  UCD120531  Phacelia humilis B. L. Kay 1958-6-1 s.n. Modoc 2 miles northeast of Likely. Comment
  SBBG15881  Phacelia humilis H. and M. Dearing 1939-6-7 3583 Modoc E of Alturas on Cedarville Rd Comment
  UC24374  Phacelia humilis L. A. M. Black 1894-7-1 Modoc Comment
  CAS-BOT-BC179974  Phacelia humilis var. humilis Roxana Stinchfield Ferris; R. Duthie 1919-6-13 126 Modoc Parker Creek. 2133 Comment
  CAS-BOT-BC179982  Phacelia humilis var. humilis Annie Montague Alexander; L. Kellogg 1946-7-18 5012 Modoc Benton Meadow. 2072 Comment
  CAS-BOT-BC179988  Phacelia humilis var. humilis Annie Montague Alexander; L. Kellogg 1946-6-5 4660 Modoc Emerson Creek, S of Eagleville. 1783 Comment
  CAS-BOT-BC180002  Phacelia humilis var. humilis Barrett Anderson 1986-7-9 3163 Modoc Stough Reservoir Rd just E of Cedar Pass near Stough Reservoir. 1965 Comment
  CHSC67114  Phacelia inundata James D. Jokerst 1987-5-13 2859 Modoc Radar Survey Site S of Doublehead Mtn., S of Clear Lake Reservoir, dry lake W and adjacent to N end of central sector. 1353 Comment
  JEPS101585  Phacelia inundata Dean W. Taylor 1988-8-11 10036 Modoc Clear Lake Reservior, southern shore 1362 Comment
  CAS-BOT-BC179951  Phacelia linearis C. C. (Mrs.) Bruce 1899-7-1 2193 Modoc Hills. Comment
  RSA531358  Phacelia linearis Bruce Bartholomew, B. Anderson 1989-6-1 4736 Modoc Ca. 0.5 km S of State Hwy 299 on road to Shaker Spring. 1420 Comment
  CAS-BOT-BC179945  Phacelia mutabilis Barrett Anderson 1986-7-9 3171 Modoc Stough Reservoir Rd just E of Cedar Pass near Stough Reservoir. 1965 Comment
  CAS-BOT-BC179925  Phacelia sericea var. ciliosa Leland S. Smith 1918-8-17 1038 Modoc Eagle Peak ridge, near Emerson Trail. 2621 Comment
  CAS-BOT-BC179926  Phacelia sericea var. ciliosa Robert Patterson; Mona Bourell 1993-8-15 5246 Modoc Warner Mountains. Along trail from Patterson Lake to ca. 2 mi north towards Pepperdine Trailhead. 2743 Comment
  UC748113  Phacelia sericea var. ciliosa Annie M. Alexander and Louise Kellogg 1946-7-29 5090 Modoc head of creek Warner Mountains, Eagle Creek (at base of cliff below divide) Comment
  UC1561067  Phacelia sericea var. sericea Dean Wm. Taylor with Glenn L. Clifton 1989-8-5 10443 Modoc cirque headwall above South Emerson Lake; Warner Mountains, Emerson Creek drainage 2560 Comment
  JEPS2794 Image available Phacelia thermalis M. S. Baker and Frank Nutting 1894-6-4 Modoc Little Hot Spring Valley; ; Little Hot Spring Valley, Modoc Co. Comment
  UC1586865  Phacelia thermalis Juha Pykala and D. H. Norris 1987-5-27 1133 Modoc Crowder Flat Rd about 7 road mi from Hwy 299; Modoc National Forest 1540 Comment
  CHSC112098  Phalaris arundinacea Lowell Ahart; John Dittes 2012-7-10 18320 Modoc Along a deep drainage, northeast of the old homestead, Ash creek State Wildlife Area, about 3.4 miles (air) wast of Adin, about 8.2 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  JEPS121231  Phalaris arundinacea Lowell Ahart, John Dittes 2013-7-24 18925 Modoc On the N side of the levee road, N side of Ash Creek Floodplain, 0.54 air miles SE of Pilot Butte parking area, 1.1 air miles S of County Road 87, 6.8 air miles W of Adin, Big Valley. Comment
  HSC10583  Phleum alpinum M. T. Milligan 1965-7-10 427 Modoc W slope of Eagle Peak. 2439 Comment
  JEPS74046  Phleum pratense Frances D. Payne 1932-7-18 704 Modoc s and e Alturas (Parker Creek); Warner Mountains, Parker Creek 1584 Comment
  CAS-BOT-BC197952  Phlox diffusa F. Angwin 1946-4-21 s.n. Modoc Stonecoal Canyon near Adin Comment
  CAS-BOT-BC248333  Phlox diffusa B. Bartholomew; H. Sun 2002-6-24 8813 Modoc Ridge top just S of Manzanita Mt. and 15.3 straight line km NW of Aden 2070 Comment
  UCSB17307  Phlox diffusa J. Haller 1961-6-25 1865 Modoc CA 3 MI S OF PATTERSON RANGER STATION (EAGLEVILLE-LIKELY RD; CA 0.5 MI W OF CREST OF WARNER MOUNTAINS) 2285 Comment
  HSC17168  Phlox douglasii J. Wendell Howe 1930-7-1 Modoc Eagle Peak Comment
  CAS-BOT-BC197936  Phlox douglasii subsp. rigida Bruce Bartholomew 1990-6-16 5264 Modoc W side of Pine Creek Basin, Warner Mountains. 2200 Comment
  CAS-BOT-BC197935  Phlox douglasii subsp. rigida M. M. Hanna 1956-6-7 s.n. Modoc Highway 139, between Canby and Tienestra. Comment
  UC106841  Phlox gracilis Mrs. R. M. Austin May 1894 Modoc Goose Lake Valley Comment
  SJSU5869  Phlox hoodii subsp. canescens H. L. Buckalew 1961-7-5 Modoc Bald Mt near its summit, Warner Mts 2438 Comment
  HSC68923  Phlox hoodii subsp. canescens Gary Schoolcraft 1980-4-17 207 Modoc W of Wade Williams Spring, S of Alturas. 1463 Comment
  RSA469949  Phlox longifolia subsp. brevifolia J. P. Smith, J. O. Sawyer 1972-5-6 5269 Modoc Along State Route 299; 4 miles west of Modoc Co. Road 58 east of Alturas. 1494 Comment
  CAS-BOT-BC197863  Phlox stansburyi K. Paulson; Robert Paulson 1989-5-21 115 Modoc Crowder Flat Road, Devil's Garden. 1341 Comment
  CAS-BOT-BC197871  Phlox stansburyi E. S. Willits 1940-4-27 195 Modoc Near quarantine station, Alturas. Comment
  HSC75905  Phlox stansburyi D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19412 Modoc Along Hager Basin Rd. near Big Sage Reservoir. Comment
  RSA59968  Phlox stansburyi E. K. Balls 1950-5-13 14686 Modoc 14 miles south of Oregon - California state line, along the west shore road, Goose Lake 1494 Comment
  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-BC58305  Phoenicaulis cheiranthoides John Thomas Howell 1934-6-13 12104 Modoc North Fk. of Barber Creek. 1828 Comment
  CAS-BOT-BC58581  Phoenicaulis cheiranthoides Elmer Ivan Applegate 1932-7-9 7592 Modoc N slope of Bidwell Mountain, Warner Mts. Comment
  CHSC67095  Phoenicaulis cheiranthoides James D. Jokerst 1987-5-12 2845 Modoc Radar Survey Site S of Doublehead Mtn., N end of central sector. Comment
  HSC95692  Phoenicaulis cheiranthoides Juha Pykala, D. H. Norris 1987-5-27 1120 Modoc Modoc National Forest, 4 mi. from Hwy. 299, Crowder Flat Rd. 1518 Comment
  RSA59975  Phoenicaulis cheiranthoides E. K. Balls 1950-5-13 14671 Modoc W shore of Goose Lake, 0.2 mile S of Oregon-Calif. state line. 1463 Comment
  SBBG2414  Phoenicaulis cheiranthoides H. and M. Dearing 1939-6-9 3632 Modoc near Squaw Peak, Warner Mtns 2133 Comment
  UC1037295  Phoenicaulis cheiranthoides Leo Whitney 1934-5-20 1656 Modoc Modoc National Forest, Devil's Garden, northeast portion of county Devil's Garden; Modoc National Forest, Devil's Garden 1524 Comment
  HSC6879  Phoenicaulis cheiranthoides M. T. Milligan 1964-4-25 Modoc 1 mi. up Barns Grade Rd. at stock pens Comment
  UCD89843  Phragmites australis Herbert L. Mason 1947-8-11 13501 Modoc Highway 81, north of Modoc-Lassen County line. Comment
  SEINET7297281 Image available Phragmites australis Herbert L. Mason 1947-1 13501 Modoc Highway 81, north of Modoc- Lassen County Line Comment
  JEPS127204  Pilularia americana Lowell Ahart, John Dittes 2016-6-6 20956 Modoc About one mile south the intersection of County Road 87 and Access Road to Pilot Butte Parking Area, 3.8 miles (air) east of Lookout, 7.5 miles (air) west of Adin, Ash Creek State Wildlife Area. Comment
  RSA639394  Pilularia americana L. C. Wheeler 1935-8-22 3911 Modoc Devil's Garden: South Mt. Reservoir. 1524 Comment
  UC1612282  Pinus contorta subsp. murrayana W. P. Taylor and H. C. Bryant 1910-7-8 Modoc Head of Shields Creek Warner Mts., Head of Shields Creek 2590 Comment
  UC1612279  Pinus monticola Mrs. M. H. Manning 1905-1-1 Modoc Comment
  CAS-BOT-BC30155  Pinus ponderosa Belknap C. Goldsmith 1910-7-28 16 Modoc Fandango Creek, W slope Warner Mts. 1584 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
  UC711837  Pinus ponderosa Roxana S. Ferris and Laura Lorraine 1941-8-13 10546 Modoc Patterson Ranger Station Warner Mountains, Modoc National Forest ((East Creek drainage)) 2164 Comment
  CHSC118816  Pinus ponderosa var. washoensis L. P. Janeway 2015-8-10 11831 Modoc Warner Mountains. Junction of the 64 Road (39N01 - the road to Patterson Campground and Road 38N22;); top of ridge on the west side of Patterson Meadow. 2158 Comment
  CAS-BOT-BC21500  Pinus washoensis Bruce Bartholomew 1994-7-2 6821 Modoc Just N of South Fork of Davis Creek near the crest of the Warner Mountains. 2300 Comment
  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
  UC1191839  Plagiobothrys cognatus Herbert L. Mason and Verne Grant 1947-7-12 13408 Modoc sw of Alturas (w side of the South Fork of Pit River Valley); South Fork of Pit River Valley Comment
  UC526160  Plagiobothrys cognatus John Thomas Howell 1934-6-12 12034 A Modoc Plum Valley Watner Mts. Comment
  HSC30199  Plagiobothrys cusickii D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19525 Modoc Big Valley Summit, 6 mi. W of Adin on Hwy. 299 Comment
  JEPS119660  Plagiobothrys cusickii Lowell Ahart, John Dittes 2012-7-11 18332 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
  RSA0113963  Plagiobothrys cusickii Lowell A. Ahart, John Dittes 2013-7-24 18920 Modoc North side of Ash Creek Floodplain, 0.54 mile (air) southeast of Pilot Butte Parking Area, 1.1 miles (air) south of County Road 87, 6.8 miles (air) west of Adin, Big Valley. 1263 Comment
  JEPS60934  Plagiobothrys cusickii Frances D. Payne 1935-7-19 796 Modoc s and e of Alturas (Mouth of Dry Creek, tributary of Parker Creek); Warner Mountains, Parker Creek, Mouth of Dry Creek Comment
  UC100870  Plagiobothrys cusickii Milo S. Baker Modoc Comment
  JEPS121220  Plagiobothrys hispidulus Lowell Ahart, John Dittes 2013-7-24 18921 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
  CAS-BOT-BC58789  Plagiobothrys hispidus John Thomas Howell 1934-6-13 12067 Modoc Fandango Pass. 1828 Comment
  JEPS90163  Plagiobothrys hispidus Dean Wm. Taylor with Glenn L. Clifton 1989-8-5 10466 Modoc Warner Mountains, s base of Eagle Peak Eagle Peak; Warner Mountains, Eagle Peak 2865 Comment
  CAS-BOT-BC58793  Plagiobothrys leptocladus Alice Eastwood; John Thomas Howell 1940-6-13 8165 Modoc Surprise Valley, 6 mi. S of Fort Bidwell. Comment
  UC1191652  Plagiobothrys mollis Herbert L. Mason, Verne Grant 1947-7-12 13395 Modoc irrigation ditch by Jones' Lane (off Highway 395, several mi s of Alturas) Comment
  UCD120859  Plagiobothrys mollis Herbert L. Mason; Verne Grant 1947-7-12 13395 Modoc By Jones' Lane, off Highway 395, several miles south of Alturas. Comment
  CAS-BOT-BC58800  Plagiobothrys mollis var. mollis K. Paulson; Robert Paulson 1989-7-2 157 Modoc Vicinity of Craig Spring, ca. 2 mi. NE of Happy Camp. 1447 Comment
  CAS-BOT-BC58730  Plagiobothrys salsus G. Schoolcraft; Arnold Tiehm 1984-6-24 1261 Modoc Middle Alkali Lake. 1356 Comment
  RSA0020681  Plagiobothrys salsus R. B. Kelley 2005-6-26 883 Modoc Along SR 299. No specific locality data provided. Comment
  CAS-BOT-BC58737  Plagiobothrys scouleri John Thomas Howell 1934-6-15 12192 Modoc Dorris Reservoir, 2 mi. E of Alturas. Comment
  CAS-BOT-BC58749  Plagiobothrys scouleri Louis Cutter Wheeler 1935-8-16 3865 Modoc Dismal Swamp, Modoc National Forest 2225 Comment
  CAS-BOT-BC58757  Plagiobothrys scouleri Alice Eastwood; John Thomas Howell 1940-6-14 8220 Modoc 8 mi. NW of Canby. Comment
  RSA495518  Plagiobothrys scouleri Elaine Joyal, D. Mehlman 1988-6-27 1287 Modoc Warner Mts., Jess Valley. 1500 Comment
  RSA152446  Plagiobothrys scouleri var. cusickii I. L. Wiggins, Dorothy Wiggins 1961-6-1 16447 Modoc Lane on Phipp s Ranch, about 14 miles north of Cedarville, Surprise Valley Comment
  CHSC117037  Plagiobothrys stipitatus var. micranthus Lowell Ahart; John Dittes 2016-6-6 20963 Modoc About 100 yards east of the Parking Area, about about one mile south of the intersection of County Road 87 and Access Road to Pilot Butte Parking Area, 3.8 miles (air) east of Lookout, 7.5 miles (air) west of Adin, Ash Creek State Wildlife Area. 1271 Comment
  RSA128303  Plagiobothrys stipitatus var. micranthus P. H. Raven, Otto T. Solbrig 1958-6-18 13326 Modoc Eastern outskirts of Lookout Comment
  CAS-BOT-BC58764  Plagiobothrys stipitatus var. micranthus Herbert Louis Mason; Verne Grant 1947-7-12 13410 Modoc W side of Pit River Valley, S of Alturas. Comment
  CHSC107383  Plagiobothrys tenellus Lowell Ahart; John Dittes 2011-6-22 17553 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
  CHSC99955  Plantago major Lowell Ahart; John Dittes 2008-8-25 15315 Modoc On the east bank (flood plane) of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout. 1273 Comment
  JEPS127303  Plantago major Lowell Ahart, John Dittes 2016-7-14 21184 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-BC242214  Platanthera dilatata var. leucostachys Bruce Bartholomew 1994-7-2 6799 Modoc Field redacted by CAS, contact the data manager for more information 1650 Comment
  CAS-BOT-BC242221  Platanthera dilatata var. leucostachys Bruce Bartholomew 1989-7-14 4973 Modoc Field redacted by CAS, contact the data manager for more information 1480 Comment
  HSC31998  Platanthera dilatata var. leucostachys A. Montalvo, J. D. Ackerman 1974-7-5 366 Modoc Near the confluence of Bolan Creek and Thoms Creek, just W of Cedar Pass Comment
  CDA35645  Platanthera leucostachys J. R. Keck Jr. 1985-7-11 PDR# 330134 Modoc Davis Creek, Modoc National Forest. Comment
  UC429330  Platanthera leucostachys M. F. Gilman 540 Modoc 1981 Comment
  HSC68794  Plectritis macrocera Gary Schoolcraft 1980-4-17 208 Modoc N end of Portuguese Ridge, SE of Canby. 1402 Comment
  UCSB16506  Plectritis macrocera Haller, John 1962-6-7 Modoc Little Meadows campground, South Fork of the Pit River, 8 miles east of Likely, 1.5 miles west of the western end of Jess Valley, Warner Mountains 1524 Comment
  UC711850  Pleiacanthus spinosus Roxana S. Ferris and Laura Lorraine 1941-8-14 10617 Modoc on road between Fort Bidwell and Pine Creek (Summit of Fandango Pass); Modoc National Forest, Warner Mountains, Summit of Fandango 1889 Comment
  CAS-BOT-BC247577  Poa X limosa John Thomas Howell 1934-7-1 12346 Modoc Duncan Horse Camp. Comment
  CAS-BOT-BC247586  Poa bulbosa Bruce Bartholomew; Barrett Anderson 1988-5-12 4136 Modoc Along the N side of the Pit River, 0.5 km W of State Highway 299 on Bushey Road. 1310 Comment
  UC1132596  Poa bulbosa Leo Whitney 1935-5-29 3129 Modoc Bieber; Bieber Quadrangle Comment
  HSC10656  Poa bulbosa M. T. Milligan 1964-6-20 74 Modoc Old Rodeo Grounds, Alturas. 1372 Comment
  CAS-BOT-BC247579  Poa cusickii Bruce Bartholomew 1989-7-15 4993 Modoc Sweagert Flat. 1860 Comment
  RSA534587  Poa pratensis Bruce Bartholomew, B. Anderson 1990-7-21 5580 Modoc Homestead Flat, ca. 2.5 km E. of Patterson Ranger Station, E. side of Warner Mts. 2160 Comment
  UC1024315  Poa pratensis subsp. pratensis Annie M. Alexander and Louise Kellogg 1946-6-18 4791 Modoc Patterson Mill-Silver Creek roads 1828 Comment
  UCD32706  Poa secunda Beecher Crampton 1954-7-7 2132 Modoc W side of Cedar Pass. Comment
  CDA32643  Poa secunda A. A. Beetle 1941-6-29 2827 Modoc Near summit of Cedarville Pass Comment
  UC1037101  Poa secunda subsp. juncifolia Leo Whitney 1935-5-21 3095 Modoc ca 15 mi nw Canby (Hackamore, Spaulding's Butte); Modoc Nat'l Forest 1463 Comment
  UCD32727  Poa secunda subsp. juncifolia Beecher Crampton 1954-7-7 2166 Modoc 2.5 miles E of Alturas, near radio station KCNO. Comment
  CDA32641  Poa secunda subsp. juncifolia L. White & H. T. Osborne 1957-6-27 Modoc 1/4 mile west of Cedar Pass, 3 miles west of Cedarville. Comment
  CAS-BOT-BC247603  Poa secunda subsp. secunda Elmer Ivan Applegate 1932-7-31 7976 Modoc Mill Creek Meadow. Comment
  CAS-BOT-BC247661  Poa secunda subsp. secunda C. L. Hitchcock 1940-5-27 6732 Modoc 12 mi. NE of Alturas. 1615 Comment
  CAS-BOT-BC247672  Poa secunda subsp. secunda Bruce Bartholomew; Barrett Anderson 1988-5-12 4120 Modoc S side of Egg Lake, ca. 1.5 km W of the Burlington Northern railroad track. 1300 Comment
  CHSC67417  Poa secunda subsp. secunda James D. Jokerst 1986-8-11 2758 Modoc Radar Site Survey S of Doublehead Mtn., S of road to Doublehead Mtn., in vernal pool. Comment
  UC1024906  Poa secunda subsp. secunda Leo Whitney 1935-5-19 3105 Modoc ca 15 mi nw Canby (Hackamore); Modoc Nat'l Forest 1463 Comment
  UC1024996  Poa secunda subsp. secunda Leo Whitney 1935-7-7 3393 Modoc 4 mi nw Canby (Howard Gulch) Comment
  UC1025025  Poa secunda subsp. secunda Leo Whitney 1935-7-21 3526 Modoc Pit River Comment
  UC535950  Poa secunda subsp. secunda Elmer I. Applegate 1927-4-24 5004 Modoc Modoc Battle Ground; Modoc Lava Beds Comment
  UCD92107  Poa secunda subsp. secunda L. Whitney 1935-7-21 3586 a Modoc Modoc National Forest. Happy Camp, 15 miles W of Canby. 1463 Comment
  HSC80831  Poa wheeleri G. M. Riegel 1979-7-30 628 Modoc S Warner Mtns. 1829 Comment
  UC1037158  Poa wheeleri Leo Whitney 1935-7-7 3380 Modoc 4 mi nw Canby (Howard Gulch) Comment
  CHSC67512  Pogogyne floribunda J. D. Jokerst 1990-7-31 3204 Modoc Modoc National Forest, Devils Garden Ranger District (south of Clear Lake), about 2 miles SE of Doublehead Mountain and 300 meters SE of the USFS dirt road that passes near E edge of lake at the line separating Sections 13 and 14. 1371 Comment
  CHSC67515  Pogogyne floribunda J. D. Jokerst 1987-6-23 2932 Modoc Modoc National Forest, Devils Garden Ranger District (south of Clear Lake). W of Dirt Road about 1.3 miles SE of Doublehead Lake and 2/3 mile NW of Lone Pine Lake. Comment
  SDSU19279  Pogogyne floribunda Michael Silveira 2007-7-24 20 Modoc Vernal pool North side of Highway 136 ca. 1 mile West of intersection of Crowder Flat Road and Clear Lake Reservoir Road. 1528 Comment
  SEINET4853913  Pogogyne floribunda Louis C. Wheeler 1935-8-25 76793 Modoc Modoc NF: Rim Rock Valley, Devil's Garden. 1524 Comment
  SEINET3872256  Polanisia dodecandra Richard R. Halse 2010-9-2 8109 Modoc Warner Mountains; Modoc National Forest; along State Hwy. 299 ca 2.8 miles west of Cedarville by the Cedar Creek Lower Trailhead.; 0 1619 Comment
  CAS-BOT-BC95164  Polanisia dodecandra subsp. trachysperma Margaret J. Williams 1983-9-13 83- 150 -1 Modoc Near Hwy 299, just E of Adin. Comment
  CDA25324  Polanisia dodecandra subsp. trachysperma J. Elliott 1975-7-22 103 Modoc In excavation site beside Highway 81, 13 km south of Cedarville. 0 Comment
  CAS-BOT-BC497330  Polanisia dodecandra var. trachysperma G. Schoolcraft 1999-7-13 2863 Modoc Lower slopes of Warner Mtns, 3 mi N of Eagleville 1463 Comment
  HSC104011  Polemonium micranthum L. Ahart, John Dittes 2008-6-21 14981 Modoc About 5.4 air mi. NE of Bieber, ~2.8 air mi. N of the Headquarters at Ash Creek State Wildlife Area, west of the large levee, mountain meadow in Big Valley 1256 Comment
  UC71716  Polemonium micranthum Mrs. M. H. Manning 1903-4-12 69 Modoc near Fort Bidwell (north-eastern Modoc County); near Fort Bidwell Comment
  CAS-BOT-BC197854  Polemonium occidentale Barrett Anderson 1986-7-10 3202 Modoc West Warner Rd at the North Fork of Pine Creek. 1935 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
  CAS-BOT-BC58321  Polyctenium fremontii var. fremontii Bruce Bartholomew 1991-5-24 5739 Modoc Near N side of Big Mud Lake at the Nevada State boundary. 1680 Comment
  UC1192331  Polygonum amphibium var. emersum Verne Grant and Irving Schneider 1947-8-27 8326 Modoc Clear Lake; embayment on s end Comment
  CHSC117358  Polygonum aviculare subsp. aviculare Lowell Ahart; John Dittes 2016-7-14 21191 A Modoc West of a new pond, south of Ash Creek Canal (now filled in), south of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. 1273 Comment
  CAS-BOT-BC218127  Polygonum douglasii Bruce Bartholomew 1989-8-12 5131 Modoc Deep Creek, E side of Warner Mountains. 1920 Comment
  CAS-BOT-BC218129  Polygonum douglasii Bruce Bartholomew; Barrett Anderson 1989-6-2 4781 Modoc Top of Fandango pass, Warner Mountains. 1870 Comment
  POM312535  Polygonum douglasii H. L. Mason, Verne Grant 1937-7-13 13451 Modoc On Obsidian rubble, W end of Fandango Pass, near Goose Lake, on road to Fort Bidwell Comment
  UC465749  Polygonum douglasii subsp. austiniae Mrs. Austin 1886-1 Modoc Comment
  CHSC100508  Polygonum douglasii subsp. spergulariiforme Lowell Ahart; John Dittes 2008-8-26 15342 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
  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-BC218161  Polygonum polygaloides Bruce Bartholomew 1991-7-5 5935 Modoc Cow Head Tank, ca. 6 km NW of Dorris Brothers Reservoir. 1520 Comment
  CAS-BOT-BC218173  Polygonum polygaloides subsp. confertiflorum Bruce Bartholomew; Barrett Anderson 1988-5-12 4097 Modoc White Horse. 1340 Comment
  CHSC67585  Polygonum polygaloides subsp. confertiflorum James D. Jokerst 1990-8-2 3210 Modoc Hwy. 139 NW of Canby, ca. 300 m N of the road at the edge of a large dry lake, within the dry-down zone adjacent to a concrete overflow structure. Comment
  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
  CAS-BOT-BC218178  Polygonum polygaloides subsp. esotericum Alice Eastwood; John Thomas Howell 1940-6-14 8228 B Modoc 8 mi. NW of Canby. Comment
  CAS-BOT-BC218180  Polygonum polygaloides subsp. esotericum Alice Eastwood; John Thomas Howell 1940-6-14 8223 Modoc 8 mi. NW of Canby. Comment
  UCD77942  Polygonum polygaloides subsp. esotericum Robert E. Preston 2000-7-18 1397 Modoc Ca. 12 mi nw of Canby, along Hwy 139, 1.6 mi e of Forest Service Rd 44N11. 1490 Comment
  CAS-BOT-BC218149  Polygonum spergulariiforme Alice Eastwood; John Thomas Howell 1940-6-15 8289 Modoc 9 mi. N of Lookout. Comment
  HSC41123  Polygonum spergulariiforme Thomas W. Nelson, Jane P. Nelson, James Nelson 1976-8-29 3247 Modoc Modoc National Forest; along Hwy. 299 just NW of Andin Pass 1524 Comment
  SACT002056  Polypogon monspeliensis Malcolm Nobs, Galen Smith 1949-7-20 Modoc Four mile west of Adin. Comment
  JEPS89823  Polystichum scopulinum Dean Wm. Taylor with Glenn Clifton 1990-6-25 11163 Modoc n. slopes Peak 7298 (Cedar Pass); Warner Mts., Davis Creek 15' USGS map, Cedar Pass 2148 Comment
  CAS-BOT-BC225100  Populus tremuloides Elmer Ivan Applegate 1929-6-25 5902 Modoc Cottonwood Creek, east side of Goose Lake. Comment
  SEINET11984746  Populus trichocarpa E. K. Balls 1950-1 14610 Modoc W of Middle Lake, between Eagleville and Cedarville 1433 Comment
  CAS-BOT-BC95150  Porterella carnosula Bruce Bartholomew 1995-6-23 7001 Modoc 3.4 km from Goose Lake on road to Meteorite Tank. 1600 Comment
  UC1099879  Potamogeton epihydrus Verne Grant, Irving Schneider 1947-7-22 8134 Modoc n of Alturas (North Fork Pit River by confluence with Gleason Creek on Hwy 395); North Fork Pit River Comment
  UCD149955  Potamogeton epihydrus Harry George 1967-6-15 s.n. Modoc Whitehorse Flat Reservoir. Comment
  UC1099882  Potamogeton epihydrus subsp. nuttallii Herbert L. Mason, Verne Grant 1947-6-12 13397 Modoc several mi s of Alturas (by Jones' Lane, off Hwy 395) Comment
  UC1100081  Potamogeton filiformis var. alpinus Verne Grant, Irving Schneider 1947-7-20 8095 Modoc n of Likely (s loop of westside road by irrigation ditch); Pit Valley Comment
  CAS-BOT-BC242241  Potamogeton foliosus Verne Grant; I. Schneider 1947-7-22 8153 Modoc Headwaters of North Fork of Pit River, 1 mi. NW of Hwy 395 on dirt road leading to S end of Goose Lake. Comment
  UC1099863  Potamogeton foliosus Verne Grant, Irving Schneider 1947-7-29 8178 Modoc s of Alturas (near Payne Reservoir); Fitzhugh Creek Comment
  CAS-BOT-BC242238  Potamogeton gramineus Malcom A. Nobs; Calvin McMillan 1949-6-16 788 Modoc Dry Valley Reservoir, 33 mi. NNW of Alturas. Comment
  CAS-BOT-BC242232  Potamogeton natans Milo Samuel Baker 1899-8-12 s.n. Modoc Egg Lake. Comment
  JEPS42969  Potamogeton natans W. L. Jepson 1918-8-10 7926 Modoc near Alturas 1371 Comment
  SEINET5335355  Potamogeton nodosus M. S. Baker 1899-8-24 s.n. Modoc In Pit River at Lookout Comment
  UC1100080  Potamogeton pectinatus Verne Grant, Irving Schneider 1947-7-21 8123 Modoc North Fork of Pit River (by bridge on Hwy 395, n of Alturas) Comment
  UC1100036  Potamogeton pusillus var. pusillus Verne Grant, Irving Schneider 1947-7-19 8069 Modoc s of Alturas (s of south loop road); Corporation Ranch Comment
  UC1051443  Potamogeton striatus Herbert L. Mason 1955-8-14 14648 Modoc s. end Goose Lake Comment
  CAS-BOT-BC242267  Potamogeton zosteriformis Verne Grant; I. Schneider 1947-7-18 8054 Modoc 1.4 mi. N of Bayley's bridge, S of Alturas. Comment
  CAS-BOT-BC242269  Potamogeton zosteriformis Herbert Louis Mason; Verne Grant 1947-7-12 13384 Modoc Jones Lane, off Hwy 395, several miles S of Alturas. Comment
  JEPS123851  Potentilla biennis Lowell Ahart, John Dittes 2015-7-17 20403 Modoc Ash Creek State Wildlife Area, about 3/4 mile south of County Road B7, about 2.7 miles (air) west of Adin, about 9.1 miles (air) northeast of Bieber. Adin USGS 7.5' Topographic Quadrangle. Comment
  JEPS47228  Potentilla breweri Frances D. Payne 1931-6-29 304 A Modoc e slope of Mt. Warren Warner Mts., e slope of Mt. Warren 2286 Comment
  UC1594784  Potentilla breweri David Charlet 1988-8-13 192 Modoc 10 mi e Patterson Lake (South Warner Mountains); , e of Patterson Lake 2755 Comment
  RSA504664  Potentilla bruceae Bruce Bartholomew, B. Anderson 1988-7-22 4543 -A Modoc Benton Meadow, Warner Mts. 2180 Comment
  POM229173  Potentilla glandulosa Louis C. Wheeler 1935-8-8 3810 Modoc Warner Mountains: N Fork Bidwell Creek. 2378 Comment
  CAS-BOT-BC214795  Potentilla gracilis Verne Grant; I. Schneider 1947-7-19 8073 Modoc Williams ranch, along Southern Pacific right-of-way near East Canal, in Pit Valley S of Alturas. Comment
  SJSU9639  Potentilla gracilis W. Savage 1979-7-6 1394 Modoc Triangle, Antelope Plains Unit,Devils Garden District, Modoc National Forest 1493 Comment
  UC1594792  Potentilla gracilis David Charlet 1989-8-15 499 Modoc 1 km nw Eagle Peak (Upper Slide Creek); South Warner Mountains, Upper Slide Crk, nw of Eagle Pk 2550 Comment
  UC420584  Potentilla gracilis var. fastigiata W. P. Taylor and H. C. Bryant 1910-7-13 Modoc head North Fork Parker Creek Warner Mountains, head North Fork Parker Creek 2225 Comment
  HSC18737  Potentilla gracilis var. flabelliformis M. T. Milligan 1965-6-26 337 Modoc N end Jess Valley. 1616 Comment
  POM312886  Potentilla gracilis var. flabelliformis Verne Grant 1947-7-19 8073 Modoc Williams Ranch; along Southern Pacific right-of-way near East Canal, in Pit Valley south of Alturas. Comment
  UC73029  Potentilla gracilis var. flabelliformis Milo S. Baker Aug, 1890 519 Modoc Forestdale Comment
  POM98605  Potentilla gracilis var. flabelliformis F. W. Peirson 1926-6-25 6883 Modoc 1 mile east of summit of Cedarville Road, Warner Mountains Comment
  UC191284  Potentilla gracilis var. flabelliformis Milo S. Baker 1893-7-2 Modoc Comment
  JEPS44440  Potentilla millefolia M. S. Baker and Frank Nutting 1894-6-8 Modoc Low flats Lava beds Forestdale (Forestdale) Comment
  UC1540168  Potentilla newberryi Dean W. Taylor 1987-8-9 9279 Modoc Northeastern California 1371 Comment
  CDA3917  Potentilla norvegica subsp. monspeliensis C. B. Greenbank 1978-8-11 Modoc Tulelake. 0 Comment
  UC1191491  Potentilla rivalis Herbert L. Mason 1947-8-9 13476 Modoc n Alturas (e side of Fairchild Swamp); , n of Alturas Comment
  CAS-BOT-BC225030  Poteridium annuum Roxana Stinchfield Ferris; R. Duthie 1919-6-15 156 Modoc Parker Creek, Warner Mts. Comment
  HSC14304  Prunella vulgaris subsp. lanceolata M. T. Milligan 1965-6-26 337 Modoc N end Jess Valley. 1616 Comment
  CAS-BOT-BC214803  Prunus emarginata Bruce Bartholomew 1989-7-15 5019 Modoc Manzanita Lookout, top of Manzanita Mountain. 2130 Comment
  UC748214  Prunus emarginata Annie M. Alexander and Louise Kellogg 1946-6-28 4859 Modoc above Lily Lake (Pine Creek Canyon, north end of Warner Mountains); Warner Mountains, Pine Creek Canyon 2103 Comment
  UC748477  Prunus emarginata Annie M. Alexander and Louise Kellogg 1946-6-8 4705 Modoc road to Patterson Mill from Eagleville (e slope of Warner Mountains); Warner Mountains 2194 Comment
  JEPS27653  Prunus emarginata L. S. Smith 1917-1 Modoc California Comment
  UC12747  Prunus emarginata Milo S. Baker 1893-6 Modoc Comment
  JEPS19415  Prunus subcordata B. C. Goldsmith Modoc Myrtle Creek Canyon near Goose Lake Valley (w slope of Warner Mountains, northeastern Modoc County); Warner Mountains, Myrtle Creek Canyon Comment
  JEPS44712  Prunus subcordata Frances D. Payne 1932-5-27 404 Modoc s and e of Alturas (Parker Creek); Warner Mountains, Parker Creek 1584 Comment
  RSA1576  Prunus subcordata E. R. Johnson 1928-8-31 1195 Modoc W edge of lava beds between Lookout and Battle Comment
  SEINET10685515  Prunus subcordata Karen M. Meyer, Andrew Townesmith 2007-9-16 Meyer 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
  UC1281130  Prunus subcordata H. E. McMinn 1931-5-23 2480 Modoc Warner Mountains 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
  SEINET7452163  Prunus virginiana var. demissa J. H. Robertson 1974-8-27 NS 67 -74 Modoc Between Adin and Eagle Lake, Highway 139, 1 mile North of Willow Creek 1532 Comment
  CAS-BOT-BC498651  Pseudognaphalium L. S. Smith 1924-7-1 1502 Modoc Modoc Forest, Round Mt. 1676 Comment
  SBBG423  Pseudoroegneria spicata A. A. Beetle 1941-6-29 2828 Modoc near summit of Cedar (Cedarville) Pass 2118 Comment
  UCD32716  Pseudoroegneria spicata Beecher Crampton 1954-7-7 2148 Modoc Modoc County, 3 miles west of Cedarville, east side of Cedar Pass, on volcanic slopes. 1615 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
  UCD91522  Pseudoroegneria spicata L. D. Whitney 1935-8-3 s.n. Modoc Lava Mountain side -- near Buck Creek -- North Warner Mountains. Comment
  JEPS68373  Pseudoroegneria spicata subsp. spicata Leland S. Smith 1918-6-22 973 Modoc Modoc National Forest, Pine Creek Pine Creek; Modoc National Forest, Pine Creek 2042 Comment
  UC1024990  Pseudoroegneria spicata subsp. spicata Leo Whitney 1935-7-7 3398 Modoc 4 mi nw of Canby (Howard Gulch); Howard Gulch Comment
  NY1083696  Pseudostellaria jamesiana B. M. Bartholomew 1990-6-17 5302 Modoc Vicinity of Emerson Camp near roadhead, East side of Warner Mountains 1750 Comment
  SBBG15278  Pseudostellaria jamesiana H. and M. Dearing 1939-6-8 3600 Modoc Pine Cyn, Warner Mtns 1828 Comment
  SJSU9131  Pseudostellaria jamesiana J. W. Tilden 1958-6-26 1285 Modoc near W side Cedar Pass between Cedarville & Alturas 1828 Comment
  UC1076485  Pseudostellaria jamesiana F. H. Frost 1925-7-12 51 Modoc Storr's Meadow Cedar Canyon; Warner Mts., , Cedar Canyon Comment
  RSA550613  Pseudotsuga menziesii Bruce Bartholomew 1992-5-14 6273 Modoc Northeast side of White Horse Mountains, southwest of White Horse Flat Reservoir. 1400 Comment
  CAS-BOT-BC50382  Psilocarphus brevissimus var. brevissimus Arnold Tiehm 1984-7-30 8831 Modoc 8.9 road mi. NE of Ft. Bidwell on main road to Adel, just past the road summit 1615 Comment
  CHSC118067  Psilocarphus brevissimus var. brevissimus L. P. Janeway 2017-5-16 11977 Modoc Modoc Plateau. Devils Garden area; along Road 47N07 1.8 road-km south of Road 181/73/47N09. 1573 Comment
  CAS-BOT-BC95681  Pterospora andromedea Bruce Bartholomew 1989-7-14 4932 Modoc Along Rush Creek between Lower and Upper Rush Creek Campgrounds. 1580 Comment
  UC1608978  Pteryxia terebinthina var. californica B. Bartholomew 1993-6-12 6583 Modoc Road to Day Rock from Little Hot Spring Valley 381 Comment
  CHSC112684  Puccinellia lemmonii Lowell Ahart; John Dittes, Todd Sloat 2013-6-8 18763 Modoc Meadow, about 300 yards northeast of the Parking Area, northeast of the old barn, Ash Creek State Wildlife Area, about 3.9 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  UCD32742  Puccinellia nuttalliana Beecher Crampton 1954-7-8 2195 Modoc Modoc County, 3 miles west of Alturas, along US highway 299. Comment
  UCD93435  Puccinellia nuttalliana R. Tofsrud 1942-7-1 254 Modoc south end of Goose Lake. Comment
  UCD93437  Puccinellia nuttalliana L. G. Goar 1938-1 s.n. Modoc Modoc County. Comment
  NY848522  Purshia tridentata A. D. Borden 1911-6-15 s.n. Modoc South slope of Davis Creek Comment
  UCD35723  Purshia tridentata Beecher Crampton 1960-6-17 5681 Modoc 5 miles south of Perez, Plant Quarantine Station area. 1371 Comment
  CAS-BOT-BC218237  Purshia tridentata var. tridentata Mrs. H. C. Cantelow 1940-6-1 4321 Modoc E of Alturas. Comment
  CAS-BOT-BC218239  Purshia tridentata var. tridentata Elmer Ivan Applegate 1932-8-5 8185 Modoc Arid S slope of Cedar Mountain, Warner Mts. Comment
  JEPS58847  Pyrola aphylla Frances D. Payne 1935-7-19 798 Modoc Dry Creek, tributary of Parker Creek, Warner Mountains, south and east of Alturas Comment
  CAS-BOT-BC95689  Pyrola picta Milo Samuel Baker 1896-5-15 Modoc Forestdale. Comment
  CAS-BOT-BC95693  Pyrola picta Bruce Bartholomew 1995-7-30 7045 Modoc Big Valley Mountains N of County Road 94. 1400 Comment
  UC73564  Pyrola picta Milo S. Baker Modoc Foresdale Comment
  SJSU9380  Pyrrocoma carthamoides var. cusickii W. Savage 1979-7-4 1345 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  CAS-BOT-BC105113  Quercus kelloggii Annie M. Alexander; Louise Kellogg 1948-9-18 5623 Modoc 1 mile SW of Adin Pass summit 1524 Comment
  CAS-BOT-BC180121  Quercus kelloggii Bruce Bartholomew; Barrett Anderson 1988-6-23 4262 Modoc 1.8 km WSW of Day on County Road 94. 1170 Comment
  CAS-BOT-BC50361  Raillardella argentea Bruce Bartholomew 1991-8-5 6066 Modoc Spring NE of Cottenwood Lake along Summit Trail from Squaw Peak to Patterson Lake, Warner Mts. 2580 Comment
  UC1731507  Ranunculus alismifolius Dean W. Taylor 1992-5-8 12567 Modoc 0.5 mi e of Moonlite Mines (Warner Mountains, Mount Bidwell); Warner Mountains, Mount Bidwell 2432 Comment
  UC748219  Ranunculus alismifolius var. alismifolius Annie M. Alexander and Louise Kellogg 1946-6-8 4696 Modoc road from Eagleville to Patterson Mill 2286 Comment
  SEINET5338403  Ranunculus aquatilis E. K. Balls 1950-5-18 14765 Modoc Just south of Adin, in city limit, by turn to Madeline off Hwy. 299. 1280 Comment
  CAS-BOT-BC379162  Ranunculus aquatilis var. aquatilis Alice Eastwood 1928-7-7 15268 Modoc Howard Lake, Forest Reserve Comment
  CAS-BOT-BC379163  Ranunculus aquatilis var. aquatilis F. P. Cronemiller; L. S. Smith 1923-6-18 601 Modoc Indian Dick R.S. Comment
  CAS-BOT-BC379168  Ranunculus aquatilis var. aquatilis Clare R. Wheeler 1985-6-27 3752 Modoc Mendocino National Forest, Lily Pad Lake, 1 mi below and SE of Mount Sanhedrin Lookout 1646 Comment
  CAS-BOT-BC379171  Ranunculus aquatilis var. aquatilis Clare R. Wheeler 1980-6-17 1761 Modoc Cherry Lake 5.6 km north of Anthony Peak 1829 Comment
  UC1101364  Ranunculus aquatilis var. capillaceus Herbert L. Mason and Verne Grant 1947-7-11 13370 Modoc irrigation ditch by Jones' Lane (off Hwy 395, s of Alturas) Comment
  UC9369  Ranunculus aquatilis var. capillaceus Milo S. Baker 1893-7-9 Modoc Comment
  CAS-BOT-BC217272  Ranunculus aquatilis var. diffusus C. L. Hitchcock 1940-5-28 6721 Modoc 15 mi. N of Alturas (near Surprise). 1402 Comment
  CAS-BOT-BC217227  Ranunculus cymbalaria Bruce Bartholomew 1991-8-4 6012 Modoc W side of Goose Lake, 10.5 km N of McGinty Point. 1460 Comment
  JEPS124388  Ranunculus cymbalaria Lowell Ahart, John Dittes 2015-7-15 20348 Modoc Ash Creek State Wildlife Area, about 3.9 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. Comment
  JEPS60674  Ranunculus cymbalaria var. saximontanus Frances D. Payne 1935-7-19 793 Modoc s and e Alturas (mouth of creek (tributary of Parker Creek)); Warner Mountains, Dry Creek Comment
  POM312417  Ranunculus cymbalaria var. saximontanus H. L. Mason 1947-8-15 13552 Modoc Mouth of Crane Creek on Willow Ranch, east side of Goose Lake. Comment
  RSA84858  Ranunculus flabellaris Alice Eastwood, John T. Howell 1940-6-12 8080 Modoc Jess Valley. Comment
  SEINET3161109  Ranunculus glaberrimus E. K. Balls 1950-5-10 15968 Modoc Cedar Pass; on way from Alturas to Cedarville 1829 Comment
  UC118385 Image available Ranunculus glaberrimus Mrs. R. M. Austin June 1894 77 Modoc bluffs e Willow Creek Valley (thirty mi w of Goose Lake) Comment
Read comments
May 28 2006
  CAS-BOT-BC217202  Ranunculus glaberrimus var. glaberrimus Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-10 6438 Modoc 5 km NE of Davis Creek on road to Plum Valley Campground. 1700 Comment
  CAS-BOT-BC217203  Ranunculus glaberrimus var. glaberrimus Ellsworth Bethel 1923-4-24 s.n. Modoc Adin. Comment
  CAS-BOT-BC217208  Ranunculus glaberrimus var. glaberrimus Bruce Bartholomew; Barrett Anderson 1989-4-29 4690 Modoc Surprise Valley Road, just S of the Oregon border, extreme NE corner of Modoc County. 1630 Comment
  CAS-BOT-BC217247  Ranunculus glaberrimus var. glaberrimus Edward Kent Balls 1950-5-10 15968 Modoc Cedar Pass, W slope, Alturas to Cedarville. 1828 Comment
  CAS-BOT-BC217249  Ranunculus glaberrimus var. glaberrimus Bruce Bartholomew; Barrett Anderson 1988-5-13 4173 Modoc Between N and S Forks of Fitzhugh Creek on Warner Road, W side of the Warner Mts.. 1970 Comment
  OBI48153  Ranunculus macounii Rhonda Riggins 1989-4-28 1672 Modoc 0.3 mi W West Warner Rd on Parker Crk rd, W side Warner Mts. T41N, R14E, sec 27 Comment
  HSC18161  Ranunculus occidentalis var. occidentalis M. T. Milligan 1966-5-14 618 Modoc Plateau W of Jess Valley 1829 Comment
  CAS-BOT-BC217195  Ranunculus sceleratus var. multifidus Elmer Ivan Applegate 1897-6-5 968 Modoc Near Alturas. Comment
  RSA85295  Ranunculus sceleratus var. multifidus F. W. Peirson 1926-6-26 6904 Modoc Alturas to Canby Comment
  CAS-BOT-BC217154  Ranunculus testiculatus Bruce Bartholomew; Barrett Anderson 1989-4-29 4664 Modoc W side of Upper Alkali Lake, 7 km S of Fort Bidwell, Surprise Valley. 1370 Comment
  CAS-BOT-BC217163  Ranunculus uncinatus Bruce Bartholomew 1991-8-6 6092 Modoc S Emerson Trail at stream between S Fork of Emerson Creek and Bearcamp Trail, Warner Mts. 2130 Comment
  HSC98180  Ranunculus uncinatus M. T. Milligan 1964-6-25 86 Modoc Upper Lassen Creek 1829 Comment
  JEPS3949  Ranunculus uncinatus N. T. Mirov 1929-7-4 Modoc about one mi s Oregon-California boundary; Warner Mountains, Lily Lake 2133 Comment
  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
  POM180605  Rhamnus californica J. T. Howell 1930-10-25 5698 Modoc Deep shade on bank of Arroyo Seco river, Santa Lucia Mts Comment
  CAS-BOT-BC225854  Ribes aureum Bruce Bartholomew; Barrett Anderson 1989-6-3 4872 Modoc Boles Creek, ca. 5.5 km E of the SE corner of Clear Lake Reservoir. 1430 Comment
  CAS-BOT-BC225862  Ribes aureum Bruce Bartholomew; Mona Bourell 1990-4-26 5163 Modoc Vicinity of Ostrom Point, N side of Pit River, 3.2 km E of W end of Stone Coal Rd. 1280 Comment
  RSA204122  Ribes aureum J. T. Howell 1934-6-13 12096 Modoc Patterson Mill Road, Warner Mtns. 1677 Comment
  UCD35235  Ribes aureum Beecher Crampton; with Carl Rimbey 1954-7-8 2186 Modoc 12 miles east of Likely, canyon of the South Fork of the Pit River. Comment
  CAS-BOT-BC225863  Ribes cereum E. S. Willits 1940-4-27 190 Modoc Sugar Hill. Comment
  CAS-BOT-BC225871  Ribes cereum Roxana Stinchfield Ferris; R. Duthie 1919-6-15 123 Modoc Above Parker Creek near Modoc Nat. Forest Boundary. Comment
  NY455008  Ribes cereum C. L. Hitchcock 1940-5-27 6695 Modoc 15 miles northeast of Alturas 1615.4 Comment
  RSA454979  Ribes cereum Christopher Davidson 1975-6-4 2620 Modoc 2.5 mi W of Cedarville on Hwy 299. South sloping hillside of rocky basalt and red clay. 1677 Comment
  SBBG2753  Ribes cereum H. and M. Dearing 1939-6-8 3596 Modoc Pine Cyn, Warner Mtns 1524 Comment
  UC71794  Ribes cereum Mrs. M. H. Manning 1902-10-11 37 b Modoc ne Modoc Conty Comment
  CAS-BOT-BC225896  Ribes inerme Elmer Ivan Applegate 1932-8-5 8163 Modoc Cedar Pass, Warner Mts. Comment
  UC71793  Ribes inerme var. inerme Mrs. M. H. Manning 1903-1 96 Modoc Warner River Comment
  UC748053  Ribes montigenum Annie M. Alexander and Louise Kellogg 1946-6-25 4822 Modoc Dismal Swamp Warner Mountains 2255 Comment
  RSA0021946  Ribes montigenum Elmer I. Applegate 1932-8-3 8122 Modoc Dry, rocky summit of Warner Mountains just north of Eagle Peak. Comment
  UC11556  Ribes nevadense Milo S. Baker 1893-6 Modoc Comment
  CAS-BOT-BC225935  Ribes viscosissimum Annie Montague Alexander; L. Kellogg 1946-7-1 4894 Modoc One-half mile S of Dismal Swamp, N end of Warner Mts. 2255 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
  SEINET182274 Image available Ribes viscosissimum L. C. Wheeler 1935-8-14 3850 Modoc Warner Mountains; Lily Lake Pine Creek 2073 Comment
  UC748481 Image available Ribes viscosissimum Annie M. Alexander and Louise Kellogg 1946-6-15 4772 Modoc Deep Creek 1981 Comment
  UCR80270  Ribes viscosissimum var. hallii L. C. Wheeler 1935-8-14 3850 Modoc Warner Mtns., Lily Lake, Pine Creek 2073 Comment
  CAS-BOT-BC50373  Rigiopappus leptocladus Bruce Bartholomew; Barrett Anderson 1989-6-1 4764 Modoc S end of Goose Lake. 1460 Comment
  CAS-BOT-BC50369  Rigiopappus leptocladus Fred. P. Cronemiller 1920-6-15 10 Modoc McKenzie Spring. 1341 Comment
  UCR47628  Rorippa austriaca Don Pendleton 1987-6-24 s.n. Modoc Hwy 395 near town of Likely. Comment
  CDA34339  Rorippa austriaca E. Finley 1987-6-17 s.n. Modoc Big Valley; Jones Rd., off US 395, N of Likely. 0 Comment
  CHSC114918  Rorippa austriaca D. B. Joley 1976-6-23 7 Modoc Likely, near Alturas. Comment
  UCD14403  Rorippa columbiae 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
  RSA210854  Rorippa curvipes var. truncata R. F. Thorne, James Henrickson, C. W. Tilforth 1969-9-4 39111 a Modoc N Fork of Pit River 3.4 mi N of Alturas where crossed by Hwy 395. 1341 Comment
  CAS-BOT-BC58421  Rorippa curvisiliqua Robert Folger Thorne; C. W. Tilforth 1969-9-5 39170 Modoc Margins of Clear Lake, Warner Mts. 1767 Comment
  CAS-BOT-BC74419  Rorippa curvisiliqua Roxana S. Ferris; Rena P. Duthie 1919-6-14 169 Modoc Modoc National Forest Boundary. Parker Creek. 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
  UC748374  Rorippa sinuata Annie M. Alexander and Louise Kellogg 1946-6-20 4811 Modoc Eagleville 1440 Comment
  UCD115380  Rorippa sinuata Carl Rimbey 1955-6-15 s.n. Modoc Modoc County. Comment
  RSA520487  Rosa gymnocarpa Bruce Bartholomew 1989-7-14 4931 Modoc Along Rush Creek between Lower and upper Rush Creek Campgrounds. 1520 Comment
  CHSC99966  Rosa woodsii subsp. ultramontana Lowell Ahart; John Dittes 2008-8-26 15348 Modoc Southeast side of Rose Creek, 750 feet southwest of confluence of Rose Creek and Pit River, on the northwest side of unnamed road, 2660 feet east of intersection with County Road 85a, 9.3 miles (air) north-northeast of Lookout. 1276 Comment
  CAS-BOT-BC218250  Rosa woodsii var. ultramontana Mrs. H. C. Cantelow 1940-6-1 4322 Modoc E slope Warner Mts., Cedar Pass Road. Comment
  CAS-BOT-BC218254  Rosa woodsii var. ultramontana John H. Hatton 1911-6-13 77 Modoc Modoc County. 1371 Comment
  CAS-BOT-BC218262  Rosa woodsii var. ultramontana Roxana Stinchfield Ferris; R. Duthie 1919-6-14 136 Modoc Parker Creek. Comment
  RSA0113966  Rosa woodsii var. ultramontana Lowell A. Ahart, John Dittes 2008-8-26 15348 Modoc Southeast side of Rose Creek, 750 feet southwest of confluence of Rose Creek and Pit River, on the northwest side of unnamed road, 2,660 feet east of intersection with County Road 85a, 9.3 miles (air) north-northeast of Lookout. 1277 Comment
  UC12904  Rosa woodsii var. ultramontana Milo S. Baker 1893-6-26 Modoc Forestdale Comment
  HSC17570  Rumex acetosella M. T. Milligan 1964-6-27 95 Modoc Old mill, Lassen Creek 1829 Comment
  CAS-BOT-BC211317  Rumex triangulivalvis John Thomas Howell 1934-6-15 12189 Modoc Alturas. Comment
  CAS-BOT-BC211319  Rumex triangulivalvis Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10550 Modoc Patterson Ranger Station (East Creek drainage). 2164 Comment
  CAS-BOT-BC95283  Sagina saginoides Roxana Stinchfield Ferris; R. Duthie 1919-6-13 23 Modoc Parker Creek, near Modoc National Forest Boundary. Comment
  CAS-BOT-BC245201  Sagittaria cuneata Bruce Bartholomew 1991-7-5 5950 Modoc Coyote Meadow, near the Oregon border. 1580 Comment
  UC567  Sagittaria cuneata Milo S. Baker 1893-7-25 Modoc Egg Lake 1219 Comment
  UC935737  Sagittaria cuneata Herbert L. Mason and Verne Grant 1947-7-11 13368 Modoc irrigation ditch by Jones Lane off Highway 395 s Alturas Comment
  UC1536806  Sagittaria cuneata Gordon H. True Jr. 1939-7-21 1022 Modoc n of Canby Jack Swamp (Jack Swamp) Comment
  POM182451  Sagittaria latifolia Milo S. Baker 1893-7-25 s.n. Modoc Egg Lake. 1220 Comment
  CAS-BOT-BC225125  Salix boothii Elmer Ivan Applegate 1932-7-9 7596 Modoc N slope of Bidwell Mountain, Warner Mts. Comment
  UC511709  Salix boothii Frances D. Payne 1931-7-8 339 Modoc 33 km. se of Alturas; Warner Mts., Pine Creek Basin 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
Read comments
Nov 9 2011
  CAS-BOT-BC225772  Salix exigua Alice Eastwood; John Thomas Howell 1940-6-13 8176 Modoc E side of Cedar Pass. Comment
  CAS-BOT-BC225773  Salix exigua Elmer Ivan Applegate 1932-8-4 8157 Modoc Bank of Pitt River, 8 mi. E of Likely. Comment
  CAS-BOT-BC225778  Salix exigua Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16365 Modoc Along bank of Pit River, 3.9 mi N of Alturas. Comment
  HSC104031  Salix exigua L. Ahart, John Dittes 2008-8-25 15310 Modoc About 3.8 air mi. NNE of Lookout, ~ 1/8 mi. E of County Road 91, on the east bank (flood plain) of the Pit River 1273 Comment
  RSA0030831  Salix exigua H. P. Bracelin, Frances D. Payne 1931-6-30 488 Modoc Parker Creek, 20 km. east of Alturas. 1560 Comment
  SD887  Salix exigua var. hindsiana Mrs. H. P. Bracelin, Frances D. Payne 1931-6-30 488 Modoc Parker Creek, 20 km. east of Alturas, meadow south of Payne Ranch 1559 Comment
  HSC30067  Salix geyeriana D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19344 Modoc Near Mill Creek, S Warner Wilderness Area Comment
  CAS-BOT-BC229693  Salix lasiandra subsp. caudata P. Monnet 1913-7-1 930 Modoc Warner's Range. 1828 Comment
  UCD111536  Salix lasiandra var. lasiandra Mrs. H. P. Bracelin; Miss Frances D. Payne 1931-6-30 498 Modoc Parker Creek, 20 km. east of Alturas, south of Payne Ranch. 1560 Comment
  JEPS14858  Salix lasiolepis Frances D. Payne 1931-6-10 137 Modoc Parker Creek Warner Mts., Parker Creek 1584 Comment
  UCR133519  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-29 487 Modoc [vicinity of Adin Pass] Halfway between Adin and Canby 1350 Comment
  CAS-BOT-BC229665  Salix lemmonii Elmer Ivan Applegate 1932-7-31 7980 Modoc Mill Creek Meadows, Warner Mts. Comment
  LA208883  Salix lemmonii Frances D. Payne; August 1934 778 Modoc Warner Mountains, Pine Creek Basin 2316 Comment
  SBBG27411  Salix lemmonii F. D. Payne -Aug-1934 778 Modoc Pine Crk Basin 2316 Comment
  UC1280859  Salix ligulifolia H. E. McMinn 1931-5-23 2467 Modoc Warner Mts. Comment
  JEPS38509  Salix ligulifolia L. S. Smith 1918-1-1 54 Modoc Comment
  POM107028  Salix lucida subsp. caudata R. M. Austin 1895-05 503 Modoc Davis Creek 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
  CHSC101021  Salix lutea John Dittes 2008-5-21 1519 Modoc Modoc Plateau; Big Valley; ca. 1.7 air miles south of Lookout, ca. 1.1 air miles west of County Road 91; riparian corridor of Pit River. 1259 Comment
  SBBG29031  Salix lutea Mrs. H. P. Bracelin, F. D. Payne 1931-6-30 499 Modoc Parker Crk, 20 km E of Alturas S of Payne Ranch 1560 Comment
  UC481958  Salix melanopsis Mrs. H. P. Bracelin and Miss Frances D. Payne 1931-6-30 493 Modoc 20 km. e. Alturas (meadow s. of Payne Ranch, Parker Creek); Parker Creek 1560 Comment
  CAS-BOT-BC229831  Salix scouleriana Francis Dorris Payne 1934-8-1 778 Modoc Pine Creek Basin, Warner Mts. 2316 Comment
  CAS-BOT-BC229843  Salix scouleriana Francis Dorris Payne 1931-6-10 138 Modoc Parker Creek, Warner Mts. 1560 Comment
  CHSC34511  Salsola tragus J. D. Prouty 1980-8-9 1150 Modoc Ca. 2 mi e of Cedarville, n side of Rd 299 as it intersects w margin of Middle Alkali Lake. Comment
  RSA628302  Salsola tragus L. C. Wheeler 1973-1 s.n. Modoc North end of Big Mud Lake. 1645 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-BC179245  Salvia dorrii var. dorrii Christopher Davidson 1975-6-4 2607 Modoc 1/4 mi W of Cedarville on Hwy 299. 1463 Comment
  SEINET198563  Salvia dorrii var. dorrii Helen K. Sharsmith 1955-6-23 4491 Modoc Modoc National Forest ; Warner Mountains. North of State Highway 28 and 6.7 miles east of Cedar Campground. 1859 Comment
  OBI48702  Salvia dorrii var. pilosa Lewis S. Rose 1940-6-12 40522 Modoc 5 mi E of likely 1524 Comment
  RSA446306  Salvia dorrii var. pilosa Christopher Davidson 1975-6-4 2607 Modoc 1/4 mi. W of Cedarville on Hwy 299. 1463 Comment
  SEINET3158619  Salvia lemmonii E. K. Balls 1950-5-11 14622 Modoc 4 mi S of Fort Bidwell, W of Upper Lake 1402 Comment
  HSC80928  Sambucus nigra subsp. caerulea G. M. Riegel 1979-8-26 686 Modoc S Warner Mtns. 1670 Comment
  CAS-BOT-BC235063  Sambucus racemosa var. melanocarpa Frances Payne 1929-7-12 80 Modoc Lost Lake, Warner Mts. 2286 Comment
  UC196670  Sanguisorba annua Franklin P. Nutting Modoc Forestdale Comment
  UC466699  Sanguisorba annua W. P. Taylor and H. C. Bryant 1910-6-26 Modoc Parker Cr.; Warner Mountains, Parker Cr. 1676 Comment
  CAS-BOT-BC15718  Sanicula graveolens Milo Samuel Baker; Franklin P. Nutting 1894-6-15 Modoc Big Valley Mts. Comment
  CAS-BOT-BC15725  Sanicula graveolens Harry Dwight Dillon Ripley; Rupert Charles Barneby 1944-6-1 5999 Modoc Cedar Pass. 1920 Comment
  NY1101601  Sanicula graveolens K. Paulson 1988-5-24 13 Modoc Parker Creek Road, Warner Mountains 1646 Comment
  RSA59855  Sanicula graveolens E. K. Balls 1950-5-18 14746 Modoc Upper Rush Creek Public Camp, 2.5 miles E from Hwy 299. 1829 Comment
  UC1598741  Sanicula graveolens M. S. Baker and Frank Nutting 1894-6-15 Modoc Forestdale Comment
  SJSU9686  Sanicula graveolens W. Savage 1979-7-24 1566 Modoc Long Meadow Unit, Devils Garden District, Modoc National Forest 1615 Comment
  UC1598724  Sanicula graveolens Milo S. Baker 1893-6 Modoc in Modoc County Modoc County Comment
  CAS-BOT-BC95238  Saponaria officinalis Bruce Bartholomew 1989-8-12 5136 Modoc 4.2 km W of Likely on County Road 60. 1370 Comment
  CAS-BOT-BC95568  Sarcobatus vermiculatus Edward Kent Balls 1950-5-10 14599 Modoc E shore of Middle Lake, near Cedarville. 1402 Comment
  CAS-BOT-BC95570  Sarcobatus vermiculatus Elmer Ivan Applegate 1897-6-1 3035 Modoc Between Canby and Alturas. Comment
  JEPS96534  Saxifraga integrifolia Dean Wm. Taylor with Glenn L. Clifton 1992-5-7 12521 Modoc 0.5 mile E of Duncan Reservoir, on hillside on western rim of Black Canyon 1524 Comment
  UC1583999  Saxifraga integrifolia G. Schoolcraft 1990-6-7 2083 Modoc about 12 mi ne of Alturas (near Joseph Creek) 1615 Comment
  UC748210  Saxifraga nidifica var. nidifica Annie M. Alexander and Louise Kellogg 1946-6-15 4779 Modoc Deep Creek, (Aspen flat) Deep Creek 2194 Comment
  NY784265  Saxifraga oregana var. oregana B. Anderson 1986-7-10 3199 Modoc Warner Mountains. West Warner Road at the North Fork of Pine Creek. 1935 Comment
  UCD126464  Schedonorus arundinaceus J. E. Coke 1932-11-1 s.n. Modoc Modoc County. Comment
  CAS-BOT-BC247700  Schedonorus pratensis Leland S. Smith 1917-7-25 107 Modoc Joseph Creek. 1981 Comment
  CAS-BOT-BC245127  Schoenoplectus americanus Bruce Bartholomew 1990-6-17 5290 Modoc Surprise Valley, SW side of Lower Alkali Lake, 3.2 km N of Lassen County border. 1370 Comment
  CAS-BOT-BC245129  Schoenoplectus americanus Herbert Louis Mason 1947-8-11 13491 Modoc Hwy 81, W margin of Lower Lake, near boundary with Lassen County. Comment
  SEINET199876  Scirpus acutus H. L. Mason, V Grant 1947-7-11 13379 Modoc Along S. fork of Pit River downstream from Jess Valley by Forest Service camp site Comment
  POM186204  Scirpus microcarpus Milo S. Baker s.n. Modoc [no location specified] Comment
  UC1568  Scirpus microcarpus Milo S. Baker 1893-7-10 Modoc Comment
  CAS-BOT-BC179152  Sclerolinon digynum Milo S. Baker 1894-6-20 Modoc Near Whitehorse Lake. Comment
  CAS-BOT-BC179225  Scutellaria nana Mrs. R. G. Paulson 1978-6-24 Modoc Egg Lake. Comment
  CAS-BOT-BC179226  Scutellaria nana John Thomas Howell 1934-6-30 12257 Modoc Duncan Horse Camp. 1355 Comment
  SJSU11409  Scutellaria nana H. L. Buckalew 1961-7-1 Modoc base of Cedar Mt c. 2 mi NW of Cedar Pass on Hwy 299, Warner Mts 2133 Comment
  SJSU9553  Scutellaria nana W. Savage 1979-7-3 1286 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  CAS-BOT-BC95606  Sedum lanceolatum Elmer Ivan Applegate 1932-7-9 7574 Modoc Near summit of Bidwell Mountain, Warner Mts. Comment
  CAS-BOT-BC95612  Sedum lanceolatum Louis Cutter Wheeler 1935-8-11 3844 Modoc Pine Creek, Warner Mts. 2011 Comment
  CHSC109200  Sedum lanceolatum L. P. Janeway; B. Castro 2012-7-24 10964 Modoc Warner Mountains. Along Forest Road/County Road 2 (the road from New Pine Creek to Fort Bidwell) 1.0 air km west of Lily Lake and 1.4 air km northwest of Yellow Mountain. 1948 Comment
  UC11266  Sedum lanceolatum Mrs. C. C. Bruce 1890-1 2324 Modoc Comment
  UC1601851  Sedum lanceolatum M. F. Gilman 513 Modoc Comment
  UCR267411  Sedum stenopetalum Jim Andre, Glenn L. Clifton 1993-6-12 29997 Modoc Warner Mountains, Cedar Pass, Hwy 299, Modoc National Forest 1919 Comment
  CAS-BOT-BC95614  Sedum stenopetalum subsp. stenopetalum Annie Montague Alexander; L. Kellogg 1946-8-8 5123 Modoc Patterson Lake Trail, Warner Mts. Comment
  CAS-BOT-BC95623  Sedum stenopetalum subsp. stenopetalum Barrett Anderson 1986-7-9 3154 Modoc Hwy 299 just W of Cedar Pass, Warner Mts. 1920 Comment
  CAS-BOT-BC50335  Senecio aronicoides Bruce Bartholomew 1992-5-16 6337 Modoc Burned area along County Road 91, ca. 2.5 km S of turn off to Happy Camp Ranger Station. 1390 Comment
  CAS-BOT-BC50342  Senecio aronicoides Barrett Anderson 1986-7-9 3165 Modoc Near Stough Reservoir. 1965 Comment
  HSC81124  Senecio aronicoides G. M. Riegel 1980-8-7 1010 Modoc S Warner Mtns. 2100 Comment
  UC831911  Senecio aronicoides C. L. Hitchcock 1940-5-27 6711 Modoc 15 mi ne Alturas 1615 Comment
  CDA35637  Senecio aronicoides J. R. Keck Jr., Pfeiffer 1985-6-6 PDR# 237689 Modoc On USFS Road 56, west of Lookout-Hackamore Road. 0 Comment
  CAS-BOT-BC50253  Senecio integerrimus var. exaltatus K. Paulson; Robert Paulson 1989-5-8 110 Modoc Howard's Gulch, along Hwy 139. 1371 Comment
  CAS-BOT-BC50288  Senecio integerrimus var. exaltatus Betty J. Hammerly 1941-6-20 36 Modoc Along banks of Clear Lake, S end of Warner Mts. Comment
  CAS-BOT-BC50290  Senecio integerrimus var. exaltatus Francis Dorris Payne 1932-6-24 599 Modoc Parker Creek. 1584 Comment
  JEPS6000  Senecio integerrimus var. exaltatus Frances D. Payne 1932-6-24 599 Modoc s and e of Alturas; Warner Mountains, Parker Creek 1584 Comment
  RSA0125033  Senecio integerrimus var. exaltatus E. K. Balls 1950-5-13 14682 Modoc West of Goose Lake, 1.5 miles south of Oregon-California State Line. 1463 Comment
  CAS-BOT-BC50266  Senecio serra var. serra Leland S. Smith 1919-8-4 1137 Modoc Ash Creek, Modoc National Forest 1828 Comment
  JEPS5942  Senecio serra var. serra Frances D. Payne 1931-7-4 318 Modoc s and e of Alturas; Warner Mountains, Parker Creek 1584 Comment
  UC566651  Senecio serra var. serra F. H. Frost 1925-7-12 67 Modoc Stow's Meadow Warner Mountains, , Stow's Meadow (Cedar Canyon) Comment
  CAS-BOT-BC50275  Senecio triangularis Bruce Bartholomew 1989-8-11 5064 Modoc Along Lassen Creek near SE side of Harris Flat, Warner Mountains. 1920 Comment
  CAS-BOT-BC54276  Senecio triangularis Elmer Ivan Applegate 1932-7-31 7978 Modoc Mill Creek Meadow, Warner Mountains Comment
  HSC81129  Senecio triangularis G. M. Riegel 1980-8-12 1033 Modoc South Warner Mtns. 2100 Comment
  CAS-BOT-BC248314  Sibbaldia procumbens B. Bartholomew; H. Sun 2002-6-24 8855 Modoc Headwaters of Davis Creek, W side of the Warner Mountains 2160 Comment
  CAS-BOT-BC179076  Sidalcea oregana subsp. oregana Alice Eastwood; John Thomas Howell 1940-6-13 8123 Modoc Dear Davis Creek. Comment
  CAS-BOT-BC179087  Sidalcea oregana subsp. oregana Bruce Bartholomew 1991-6-20 5770 Modoc Just N of Lassen County line on county road 90. 1220 Comment
  CAS-BOT-BC179089  Sidalcea oregana subsp. oregana Alice Eastwood; John Thomas Howell 1940-6-12 8068 Modoc Between Likely and Jess Valley. Comment
  CAS-BOT-BC179091  Sidalcea oregana subsp. oregana Bruce Bartholomew 1995-8-1 7139 Modoc 14.8 km N of turn off to Cedarville on U.S. Hwy 395 and 8 km S of Davis Creek. 1450 Comment
  JEPS67256  Sidalcea oregana subsp. oregana Frances D. Payne 1931-6-17 166 Modoc s and e Alturas (Parker Creek); Warner Mountains, , s and e of Alturas 1584 Comment
  UC1124994  Sidalcea oregana subsp. oregana R. C. Wilson 1933-7-12 62 Modoc s Likely Mill; Modoc National Forest, Alturas Quad. Comment
  UC18928  Sidalcea oregana subsp. oregana Milo S. Baker 1893-7-10 Modoc Comment
  SEINET2442027  Sidalcea oregana subsp. spicata Barbara Ertter 1988-6-18 7612 Modoc W side Hwy 139 just S of where it crosses railroad at jct to Clear lake, NE of Dry Lake E of Lava Beds Nat'l Monument.; 0 1250 Comment
  HSC4206  Silene douglasii M. T. Milligan 1966-8-3 627 Modoc W slope of Eagle Peak 2439 Comment
  UC748390  Silene douglasii Annie M. Alexander and Louise Kellogg 1946-7-7 4939 Modoc Eight Mile Creek Eight Mile Creek (ne corner of county) 1752 Comment
  UC1037202  Silene douglasii Leo Whitney 1934-6-5 1551 Modoc Modoc National Forest Modoc National Forest (on lava flows) 1371 Comment
  UC71563  Silene douglasii Mrs. M. H. Manning Aug 27 1903-Sep 5 1904 338 Modoc Tamarack Grove , Mt. Bidwell (Mt. Bidwell, north-eastern Modoc County) Comment
  UC8433  Silene douglasii Milo S. Baker 1893-6-25 Modoc Lava Beds Comment
  CAS-BOT-BC95243  Silene douglasii var. douglasii Roxana Stinchfield Ferris; L. Lorraine 1941-8-14 10610 Modoc Summit of Fandango Pass. 1889 Comment
  CAS-BOT-BC95258  Silene douglasii var. douglasii John Thomas Howell 1934-6-11 11958 Modoc Parker Creek, Warner Mts. 1584 Comment
  CDA3459  Silene latifolia subsp. alba T. C. Fuller 1975-9-4 20097 Modoc West side of Highway 139, 2 miles south of the plant quarantine station. 0 Comment
  CAS-BOT-BC95272  Silene menziesii Bruce Bartholomew 1991-7-6 5999 Modoc Rush Creek above Upper Rush Creek Camp Ground. 1580 Comment
  NY452817  Silene menziesii B. M. Bartholomew 1990-6-17 5330 Modoc Sand Creek, 9.6 miles east of Cedarville, Surprise Valley. 1390 Comment
  CAS-BOT-BC95274  Silene oregana Roxana Stinchfield Ferris; L. Lorraine 1941-8-14 10577 Modoc 3 miles from Patterson Ranger Station on road to Eagleville, Warner Mts. Comment
  UC748475  Silene oregana Annie M. Alexander and Louise Kellogg 1946-8-9 5139 Modoc Patterson Lake Trail Warner Mountains, Patterson Lake Trail Comment
  CAS-BOT-BC376188  Sisymbrium altissimum Andrew Townesmith; Karen M. Meyer 2007-9-15 932 Modoc Modoc National Forest, Warner Mountain Ranger District. Cedar Creek Upper Trailhead, 0.6 miles off state route 299 on Forest Service road 195 1948 Comment
  RSA584830  Sisyrinchium halophilum Bruce Bartholomew 1993-6-12 6602 Modoc Tom Large Flat, west of Egg Lake 1260 Comment
  UC1191944  Sium suave Verne Grant, Irving Schneider 1947-7-19 8062 Modoc s of Alturas (Corporation Ranch, s of South Loop Road); Corporation Ranch Comment
  UC663494  Sium suave Francis Drouet and Donald Richards 1941-9-11 4177 Modoc Alturas North fork of the Pit River (North fork of the Pit River) 1341 Comment
  UC1036057  Smilacina racemosa Annie M. Alexander and Louise Kellogg 1946-7-1 4892 Modoc 1/2 mi e summit <of> Bidwell Creek Road; Warner Mountains Comment
  UC119653  Smilacina stellata Mrs. R. M. Austin July 1884 57 Modoc Davis Creek Comment
  CHSC100518  Solanum triflorum Lowell Ahart; John Dittes 2008-8-26 15339 Modoc Southeast side of Rose Creek, 700 feet southwest of confluence of Rose Creek and Pit River, on the northwest side of unnamed road, northeast of wire gate, 2710 feet east of intersection with County Road 85a, 9.3 miles (air) north-northeast of Lookout. 1276 Comment
  UC527397  Solanum triflorum C. B. Wolf 1931-9-5 2399 Modoc 3 mi above e base Warner Mountains (on the grade from Lake City-Fort Bidwell Road- to Davis Creek) 1676 Comment
  CAS-BOT-BC54287  Solidago canadensis subsp. elongata C. C. (Mrs.) Bruce 1894-8-1 61 Modoc Davis Creek. Comment
  UC36231  Solidago elongata Mrs. R. M. Austin Aug 1894 Modoc Goose Lake Valley Goose Lake Valley (Northern California) Comment
  UC672224  Solidago elongata F. H. Frost 1925-7-24 118 Modoc Jess Valley , Jess Valley (Warner Mts.) Comment
  SEINET3873680  Solidago spectabilis John C. Semple, T. Ahmed; B. A. Suripto 1990-8-12 9299 Modoc Ca-299, 12.5 km W of Alturas, straight N of Rattle Snake Butte.; 0 Comment
  CAS-BOT-BC54280  Solidago velutina subsp. californica Roxana Stinchfield Ferris; L. Lorraine 1941-8-14 10619 Modoc Summit of Fandango Pass, on road between Fort Bidwell and Pine Creek, Warner Mtns., Modoc N.F. 1889 Comment
  POM312950  Sparganium angustifolium subsp. emersum Verne Grant, Irving Schneider 1947-7-22 8137 Modoc N Fork of Pit River by State Quarantine Station, Hwy 395, N of Alturas. Comment
  CAS-BOT-BC242255  Sparganium emersum Verne Grant; I. Schneider 1947-7-22 8137 Modoc North Fork of Pit River by State Quarantine Station. Comment
  CAS-BOT-BC242256  Sparganium emersum Verne Grant; I. Schneider 1947-7-22 8137 Modoc North Fork of Pit River by State Quarantine Station. Comment
  CHSC116089  Sparganium emersum Lowell Ahart; John Dittes 2015-7-15 20347 Modoc On the east side of Elkins Lane, about 100 yards northeast of the Parking Area, northwest of the old barn, Ash Creek State Wildlife Area, about 3.9 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  JEPS32229  Sparganium emersum var. emersum W. L. Jepson 1918-8-12 7949 Modoc Jess Valley 1584 Comment
  UC1099919  Sparganium emersum var. emersum Verne Grant and Irving Schneider 1947-7-18 8057 Modoc s of Alturas (s loop of e-side road in Pit River Valley); Pit River Valley Comment
  UC1099804  Sparganium erectum subsp. stoloniferum Herbert L. Mason and Verne Grant 1947-7-11 13361 Modoc 5 mi s Alturas (irrigation ditch on Highway 395) Comment
  HSC68799  Spergularia rubra Gary Schoolcraft 1980-7-22 327 Modoc Near Benton Meadows at top of Lake City Canyon 2195 Comment
  CAS-BOT-BC15681  Sphenosciadium capitellatum Elmer Ivan Applegate 1932-8-7 8231 Modoc Lily Lake. Comment
  UC466743  Spiraea douglasii Franklin P. Nutting Modoc near Lookout (Big Valley); Big Valley Comment
  JEPS120892  Spirodela polyrhiza Lowell Ahart, John Dittes, Todd Sloat 2013-6-8 18758 Modoc on the N side of levee, about 100 yards north of Parking Area, NW of the old barn, Ash Creek Wildlife Area, about 3.9 air miles W of Adin, about 7.7 air miles NE of Bieber. Big Valley. Comment
  UC1101245  Spirodela polyrhiza Verne Grant and Irving Schneider 1947-7-19 8066 Modoc s of Alturas (Corporation ranch, irrigation ditch s of s loop road) Comment
  SEINET11587780  Stachys ajugoides Unknown 2016-8-16 1 -6 Modoc Lookout Comment
  CAS-BOT-BC179204  Stachys pilosa B. Bartholomew; Barrett Anderson 1988-7-21 4428 Modoc Whipple Spring, E side of Whitehorse Flat Reservoir. 1340 Comment
  CAS-BOT-BC95229  Stellaria longipes Annie Montague Alexander; L. Kellogg 1946-7-10 4959 Modoc Eight Mile Creek, NE corner of county. 1755 Comment
  UC465529  Stellaria longipes var. longipes Milo S. Baker 1893-6-28 Modoc Comment
  CAS-BOT-BC95299  Stellaria nitens Bruce Bartholomew; Mona Bourell 1990-4-26 5149 Modoc 0.5 km S of Day. 1100 Comment
  CAS-BOT-BC54251  Stenotus acaulis Leland S. Smith 1917-7-17 83 Modoc Head of Shield Creek. 2133 Comment
  CAS-BOT-BC54300  Stenotus acaulis Elmer Ivan Applegate 1932-7-9 7574 A Modoc North slope of Bidwell Mountain, Warner Mountains Comment
  POM260354  Stenotus acaulis C. L. Hitchcock 1940-5-27 6668 Modoc 15 miles northeast of Alturas. 1616 Comment
  UC1523801  Stenotus acaulis Gary Schoolcraft 1981-5-12 391 Modoc SW of Alturas 1493 Comment
  UCD136385  Stephanomeria lactucina Richard R. Halse 2006-8-4 6998 Modoc along Patterson Mill Road around 4 miles southwest of its junction with Surprise Valley road, east side of the southern Warner Mountains; Modoc National Forest. 2097 Comment
  CDA18954  Stephanomeria spinosa Anne M. Corey 2000-6-19 s.n. Modoc Surprise Valley; Growing in Botanical Tours, County Road 18 at Soldier Creek, near Cedarville, Surprise Valley. 0 Comment
  JEPS6019  Stephanomeria tenuifolia Frances D. Payne 1932-7-25 749 Modoc s and e of Alturas; Warner Mountains, Parker Creek 1584 Comment
  CAS-BOT-BC95053  Streptanthella longirostris Bruce Bartholomew; Barrett Anderson 1989-6-2 4833 Modoc 6.4 km E of Eagleville on the road to the California state border, E side of Surprise Valley. 1550 Comment
  NY188845  Streptanthella longirostris B. M. Bartholomew 1993-6-13 6641 Modoc W of Leonard Hot Spring, E side of Surprise Valley. 1410 Comment
  NY188818  Streptanthella longirostris R. C. Barneby 1982-5-27 17845 Modoc 3 miles E of Eagleville. Comment
  HSC6950  Streptanthus cordatus M. T. Milligan 1967-7-8 662 Modoc W slope of Eagle Peak 2500 Comment
  RSA101384  Streptanthus cordatus R. Weatherby 1955-7-8 1628 Modoc 6 miles N of Ft. Bidwell. No. Warner Mtns. 1646 Comment
  UC585230  Streptanthus cordatus E. B. Babcock and G. L. Stebbins Jr. 1936-6-9 1832 Modoc steep n-facing talus slope about 3 mi w Cedarville; Warner Mountains, Cedar Creek Canyon Comment
  JEPS27077  Streptanthus cordatus Frances D. Payne 1933-8-6 777 Modoc s slope above lake margin (2 mi sw of Warren Mt, sw Modoc Co.); Pine Creek Basin 2316 Comment
  CAS-BOT-BC95066  Streptanthus cordatus var. cordatus Bruce Bartholomew 1990-6-17 5342 Modoc W side of Fandango Pass near the summit, Warner Mountains. Comment
  UC1736574  Streptanthus cordatus var. cordatus Dean Wm. Taylor with Glenn L. Clifton 1989-8-5 10451 Modoc Warner Mountains, Emerson Creek drainage; cirque headwall above South Emerson Lake 2560 Comment
  UCD138335  Stuckenia striata Robert F. Thorne; J. Henrickson, C. W. Tilforth 1969-9-4 39084 Modoc east shore of Goose Lake at Willow Ranch. 1432 Comment
  CAS-BOT-BC95577  Suaeda calceoliformis Bruce Bartholomew; Barrett Anderson 1990-7-21 5560 Modoc W edge of Middle Alkali Lake, directly E 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-BC180110  Swertia albicaulis var. albicaulis Bruce Bartholomew; Barrett Anderson 1989-6-2 4808 Modoc 9.3 km E of Fort Bidwell on road to Fee Reservoir, NE corner of Surprise Valley. 1580 Comment
  UC22713  Swertia albicaulis var. nitida Milo S. Baker 1894-6-13 Modoc near Egg Lake Comment
  CAS-BOT-BC95181  Symphoricarpos longiflorus Annie Montague Alexander; L. Kellogg 1946-6-18 4805 Modoc Base of lava bluff facing Lower Lake. Comment
  CAS-BOT-BC95189  Symphoricarpos rotundifolius var. rotundifolius Annie M. Alexander; Miss Louise Kellogg 1946-7-3 4898 Modoc Bidwell Creek Canyon, 7 miles west of Fort Bidwell, north bank of road. 1444 Comment
  JEPS12668  Symphoricarpos rotundifolius var. rotundifolius W. L. Jepson 1918-8-7 7859 Modoc Mt. Bidwell 2286 Comment
Read comments
Jun 18 2007
  UC1191852  Symphoricarpos rotundifolius var. rotundifolius Herbert L. Mason 1948-7-18 13619 Modoc Cedar Pass; Warner Mountains Comment
  HSC81023  Symphyotrichum ascendens G. M. Riegel 1979-8-22 682 Modoc South Warner Mtns. 1670 Comment
  UC71583  Symphyotrichum bracteolatum Mrs. M. H. Manning Modoc north-eastern Modoc County Comment
  CAS-BOT-BC15221  Symphyotrichum eatonii Leland S. Smith 1922-8-8 1333 Modoc Along stream in Section 14.T40, R9 1524 Comment
  HSC81036  Symphyotrichum foliaceum var. apricum G. M. Riegel 1979-9-8 757 Modoc South Warner Mtns. 2100 Comment
  HSC65602  Symphyotrichum foliaceum var. parryi Thomas Wood 1979-8-9 236 Modoc Dirt road along Bidwell Creek, 2.7 mi. NW of Jct. with Hwy. 2, N of Fort Bidwell. 1509 Comment
  CAS-BOT-BC15157  Symphyotrichum frondosum Leland S. Smith 1922-10-22 1338 Modoc Along shore of Clear Lake 1341 Comment
  UCD14408  Symphyotrichum frondosum 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
  UC615051  Taraxia subacaulis Beryl O. Schreiber 1934-6-10 1164 Modoc Lost Lake Warner Mountains Comment
  CHSC117136  Taraxia tanacetifolia Lowell Ahart; John Dittes 2016-7-14 21177 Modoc West side of a new pond, south of Ash Creek Canal (now filled in), south of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. 1273 Comment
  JEPS31731  Taraxia tanacetifolia L. S. Smith 1918-5-16 926 Modoc w of Alturas (Centerville Road); Modoc Forest 1524 Comment
  CAS-BOT-BC54231  Tetradymia canescens R. M. Austin 1894-9-1 s.n. Modoc N of Alturas. Comment
  RSA603850  Tetradymia canescens L. C. Wheeler 1935-8-6 3792 Modoc 1/4 mi. E Pine Creek (town) edge of Warner Mts. 1555 Comment
  UC91586  Tetradymia canescens Mrs. R. M. Austin Sept 1894 265 Modoc near Alturas Comment
  UCD136818  Tetradymia canescens J. M. Tucker 1950-7-25 1970 Modoc Beside highway 139, 26.4 miles southeast of Tule Lake. Comment
  CAS-BOT-BC54240  Tetradymia glabrata Bruce Bartholomew 1990-6-17 5316 Modoc Surprise Valley, 6.8 km W of Eagleville. 1390 Comment
  SD61059  Tetradymia glabrata Darley F. Howe 1964-8-2 3927 Modoc 9.0 miles south of Alturas on Highway 395. 1340 Comment
  CAS-BOT-BC217171  Thalictrum fendleri Frank Warrington Peirson 1926-6-25 6877 Modoc Small side canyon 1 mi E of summit, Cedarville Road, Warner Mts. Comment
  HSC1962  Thalictrum fendleri M. T. Milligan 1966-7-3 549 Modoc Slopes and ridges E of Jess Valley 1829 Comment
  UC9699  Thalictrum fendleri Mrs. R. M. Austin June 1894 Modoc Willow Creek Comment
  RSA551271  Thelypodium flexuosum Bruce Bartholomew 1991-5-24 5696 Modoc Surprise Valley, 5.1 km E of Eagleville 1370 Comment
  SEINET4853764  Thermopsis argentata Milo S. Baker 1894-8-14 s.n. Modoc Big Valley Mountains. Comment
  HSC28502  Thermopsis californica var. argentata D. H. Norris, S. Dowty, T. Nelson 1971-6-23 19491 Modoc Big Valley Summit, 6 mi. W of Adin on Hwy. 299 Comment
  UCD139868  Toxicoscordion paniculatum Dean Dubbe 1974-5-26 15- 6 Modoc west side of South Warner Wilderness. 1737 Comment
  CAS-BOT-BC54247  Tragopogon dubius Bruce Bartholomew 1990-6-17 5300 Modoc Vicinity of Emerson Camp near roadhead, E side of Warner Mts. 1750 Comment
  CAS-BOT-BC179197  Trichostema oblongum Bruce Bartholomew 1991-7-6 5987 Modoc Sand Flat on Loveness Logging Road. 1370 Comment
  CAS-BOT-BC179199  Trichostema oblongum Bruce Bartholomew; Barrett Anderson 1988-6-25 4400 A Modoc Ryan Canyon, N of Adin. 1390 Comment
  CAS-BOT-BC179200  Trichostema oblongum M. Vasey 1990-6-30 9030 Modoc Near Lava Camp (road end), Egg Lake. 1300 Comment
  HSC41112  Trichostema simulatum Thomas W. Nelson, Jane P. Nelson, James Nelson 1976-8-29 3259 Modoc Modoc National Forest: along Hwy. 299 just NW of Adin Pass 1524 Comment
  CAS-BOT-BC181782  Trifolium cyathiferum Francis Dorris Payne 1931-6-18 191 Modoc Parker Creek. 1584 Comment
  CAS-BOT-BC181788  Trifolium cyathiferum Bruce Bartholomew; Barrett Anderson 1988-7-22 4517 Modoc SE side of Sunflower Knob, southern end of the Warner Mts.. 2160 Comment
  RSA503246  Trifolium cyathiferum Bruce Bartholomew, B. Anderson 1988-7-22 4517 Modoc SE side of Sunflower Know, southern end of the Warner Mtns. 2160 Comment
  CAS-BOT-BC181774  Trifolium hybridum Bruce Bartholomew 1995-8-1 7169 Modoc Ca. 1.6 km SE of Fort Bidwell on Fee Rd. 1390 Comment
  JEPS127163  Trifolium hybridum Lowell Ahart, John Dittes 2016-7-16 21240 Modoc South of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.75 miles (air) west of Adin, Big Valley. Comment
  SJSU7960  Trifolium hybridum H. L. Buckalew 1961-7-4 Modoc Stowe Reservoir c. 1 mi N of Cedar Pass on Alturas-Cedarville Rd, Warner Mts. 1920 Comment
  JEPS66051  Trifolium kingii var. productum Leland S. Smith 1917-7-18 841 Modoc w Cedarville (Soldier Creek); Warner Mtns 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
  RSA531367  Trifolium longipes Bruce Bartholomew, B. Anderson 1990-7-20 5502 Modoc Tamarack Flat, E side of Warner Mts. 2150 Comment
  CHSC107337  Trifolium longipes subsp. hansenii Lowell Ahart; John Dittes 2011-6-21 17525 Modoc About 250 yards west of the fence, about 250 yards east of the old barn, 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
  UC748306  Trifolium longipes subsp. hansenii Annie M. Alexander and Louise Kellogg 1946-6-26 4832 Modoc Warner Mountains. Dismal Swamp. 2255 Comment
  JEPS33196  Trifolium longipes var. hansenii L. S. Smith 1917-1 792 Modoc Jess Valley Warner Mtns Comment
  JEPS33202  Trifolium longipes var. hansenii Frances D. Payne 1931-6-25 253 Modoc 2 mi sw Warren Mtns (Pine Creek Basin) 2316 Comment
  JEPS65937  Trifolium macrocephalum L. S. Smith 1917-1 795 Modoc Jess Valley Warner Mountains Comment
  SJSU7631  Trifolium macrocephalum H. L. Buckalew 1961-6-23 Modoc near Stowe Reservoir c. 2 mi N of Cedar Pass on Alturas-Cedarville Rd, Warner Mts Comment
  CAS-BOT-BC181726  Trifolium macrocephalum Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-14 16476 Modoc N of Davis Creek at junction of Sugar Hill Lookout road and one to Ft. Bidwell. Comment
  UC16615  Trifolium macrocephalum Mrs. R. M. Austin and Bruce May 1898 2291 Modoc Goose Lake Comment
  UC485386  Trifolium macrocephalum Franklin P. Nutting Modoc meadow near Whitehorse Lake Comment
  CAS-BOT-BC180169  Trifolium pratense Bruce Bartholomew 1994-7-2 6776 Modoc N side of Joseph Creek, 5.6 km E of U.S. Hwy. 395 on Forest Service road 30. 1590 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-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
  NY717613  Trifolium variegatum B. M. Bartholomew 1990-6-15 5211 Modoc Kelly Spring, 5.5 km SSE of Highway 299 on road from Rush Creek 1640 Comment
  CAS-BOT-BC180156  Trifolium wormskioldii Roxana Stinchfield Ferris; R. Duthie 1919-6-14 174 Modoc Parker Creek at Modoc For. Boundary. Comment
  RSA281688  Trifolium wormskioldii S. O. Mattoon 1979-7-14 72 Modoc Pine Creek Canyon, 3 road miles east of Highway 395 at New Pine Creek, Warner Mts. 1677 Comment
  CAS-BOT-BC245032  Triglochin concinna var. debilis Edward Kent Balls 1950-5-10 14604 Modoc Below Menlo Baths, W shore of Lower Lake. 1402 Comment
  UC1099947  Triglochin maritima Herbert L. Mason, Malcolm A. Nobs, and S. Galen Smith 1949-5-29 767 Modoc e Kelly Hot Springs Comment
  CAS-BOT-BC252535  Trisetum spicatum Leland S. Smith 1918-7-14 994 Modoc Mill Creek, Eagle Peak. 2133 Comment
  CAS-BOT-BC252536  Trisetum spicatum Louis Cutter Wheeler 1935-8-3 3753 Modoc Dismal Swamp. 2225 Comment
  JEPS70748  Trisetum spicatum Leland S. Smith 1918-7-14 994 Modoc Mill Creek; Modoc Forest, Eagle Peak 2133 Comment
  JEPS70750  Trisetum spicatum W. L. Jepson 1918-8-13 7972 Modoc on the summit Eagle Peak; Warner Mts. 3017 Comment
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