Search Results — 2000 specimen records retrieved (1473 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

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

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC77932  Abies Roxana S. Ferris; Laura Lorraine 1941-8-13 10574 Modoc Patterson Ranger Station (East Creek drainage) Modoct National Forest, Warner Mountains 2164 Comment
  HSC80921  Abies concolor G. M. Riegel 1979-8-1 729 Modoc S Warner Mtns. 1670 Comment
  CAS-BOT-BC15674  Achillea millefolium Bruce Bartholomew 1990-6-17 5350 Modoc 4 km N of Buck Creek Ranger Station at turn off to Del Prat Spring, W side of Warner Mts. 1900 Comment
  RSA606138  Achillea millefolium Louis C. Wheeler 1935-10-6 4027 Modoc Lily Lake, Pine Creek. (Mt. Diablo Mer.) 2073 Comment
  CAS-BOT-BC242280  Achnatherum hymenoides Burgess L. Kay 1957-6-1 s.n. Modoc 2 mi. NE of Likely. Comment
  SEINET191855 Image available Achnatherum lemmonii C. L. Hitchcock 1940-5-28 6724 Modoc 15 mi N of Alturas (near Surprise) 1402 Comment
  UC1024994  Achnatherum lemmonii Leo Whitney 1935-7-7 3390 Modoc 4 mi nw Canby (Howard Gulch); Howard Gulch Comment
  UCD50455  Achnatherum lemmonii E. Wilson 1934-5-15 s.n. Modoc About 20 miles west Alturas-Redding Hwy. Comment
  UCD50502  Achnatherum lemmonii L. Whitney 1935-6-9 3210 b Modoc White Horse. Modoc County. Comment
  UCD50646  Achnatherum lemmonii L. Whitney 1935-6-1 3170 Modoc 1 mile southwest of White Horse. Modoc County. Comment
  RSA268158  Achnatherum lemmonii var. lemmonii J. R. Reeder, C. G. Reeder 1972-6-1 5629 Modoc ca. 7 mi SW of Canby 1372 Comment
  RSA534593  Achnatherum lemmonii var. lemmonii Bruce Bartholomew, B. Anderson 1990-7-20 5468 Modoc 4 km N of Buck Creek Ranger Station at turn off to Del Prat Spring, W side of Warner Mts. 1900 Comment
  CAS-BOT-BC242320  Achnatherum lettermanii Leland S. Smith 1918-7-14 993 Modoc Mill Creek, Eagle Peak, etc. 2590 Comment
  UCD50893  Achnatherum occidentale L. Whitney 1935-7-3 s.n. Modoc Badger Well, Modoc County, California. Comment
  UC1037183  Achnatherum occidentale subsp. occidentale Leo Whitney 1935-8-9 3602 Modoc 17 mi nw Canby (Badger Wells; USBE Plot-- MC--8) Comment
  UC1025058  Achnatherum occidentale subsp. pubescens Leo Whitney 1935-7-29 3574 Modoc ca. 15 mi nw Canby (Hackamore); Modoc National Forest, Hackamore 1463 Comment
  CAS-BOT-BC242310  Achnatherum thurberianum Leland S. Smith 1917-6-20 48 Modoc Cantrall's Mill. 1828 Comment
  RSA0037176  Acmispon americanus var. americanus Lowell A. Ahart, John Dittes 2012-7-12 18354 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
  UCD103945  Acmispon americanus var. americanus Louis C. Wheeler 1935-9-4 3947 Modoc McGinty Point, Goose Lake. Comment
  CAS-BOT-BC218314  Actaea rubra Bruce Bartholomew 1994-7-3 6843 Modoc Along Bidwell Creek near Larry Flat, E side of Warner Mountains. 1780 Comment
  CAS-BOT-BC15643  Adenocaulon bicolor Bruce Bartholomew 1994-7-3 6830 Modoc 4 km E of U.S. Hwy 395 on road to Lily Lake, W side of Warner Mountains. 1610 Comment
  CAS-BOT-BC218324  Adonis aestivalis E. Hawver 1926-6-1 s.n. Modoc Near Canby. Comment
  UCLA72420  Agastache urticifolia Frances D. Payne 1932-6-26 607 Modoc Parker Creek 1828 Comment
  CAS-BOT-BC15647  Ageratina occidentalis Frederick H. Frost 1925-7-20 91 Modoc Cedar Camp, 2 mi. above Cedarville. 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-BC15476  Agoseris X dasycarpa Frances D. Payne 1932-6-22 577 Modoc Parker Creek 1584 Comment
  CAS-BOT-BC23038  Agoseris grandiflora var. grandiflora B. Bartholomew; B. Anderson 1988-7-22 4484 Modoc Vicinity of East Creek Trailhead, southern end of the Warner Mountains, Emerson Peak 7 1/2' Quad 2210 Comment
  CAS-BOT-BC13217  Agoseris monticola Robert J. Weatherby 1955-7-8 1617 Modoc 7 miles N of Ft. Bidwell, northern Warner Mountains 1874 Comment
  SJSU9672  Agoseris monticola W. Savage 1979-7-9 1520 Modoc Bowles Meadow, Devils Garden District, Modoc National Forest 1493 Comment
  RSA27436  Agoseris parviflora C. L. Hitchcock 1940-5-27 6707 Modoc 15 miles NE of Alturas. 1677 Comment
  POM32936  Agoseris parviflora Mrs. R. M. Austin 1890-07 564 Modoc Goose Lake Valley Comment
  UCD57064  Agropyron spicatum L. Whitney 1935-7-11 3454 Modoc Hackamore. Comment
  CAS-BOT-BC242425  Agrostis exarata Leland S. Smith 1917-7-24 124 Modoc Joseph Creek. 1584 Comment
  HSC8787  Agrostis exarata M. T. Milligan 1966-7-26 585 Modoc N end Jess Valley 1616 Comment
  JEPS68386  Agrostis exarata L. S. Smith 1917-8-6 132 Modoc Benton Mdws. Warner Mts. Comment
  UC70677  Agrostis exarata Mrs. M. H. Manning June 1903 412 Modoc ne Modoc County Comment
  UCD52339  Agrostis exarata L. D. Whitney 1935-7-24 s.n. Modoc near Hackamore. Comment
  CAS-BOT-BC242422  Agrostis pallens Leland S. Smith 1917-7-24 108 Modoc Joseph Creek. 1889 Comment
  CAS-BOT-BC242416  Agrostis variabilis Louis Cutter Wheeler 1935-8-16 3873 Modoc Dismal Swamp. 2225 Comment
  CAS-BOT-BC190680  Aliciella micromeria Bruce Bartholomew; Barrett Anderson 1989-6-2 4835 Modoc 6.4 km E of Eagleville on the road to the California state border, E side of Surprise Valley. 1550 Comment
  JEPS121232  Alisma triviale Lowell Ahart, John Dittes 2013-7-24 18923 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
  RSA210808  Alisma triviale Robert F. Thorne, James Henrickson, C. W. Tilforth 1969-9-4 39088 Modoc N Fork of Pit River 3.4 mi N of Alturas where crossed by Highway 395. 1341 Comment
  CAS-BOT-BC332737  Alisma triviale R. F. Thorne; Larry E. DeBuhr 1975-8-22 46969 Modoc North edge of Likely along south fork of Pit River 1356 Comment
  POM313035  Alisma triviale H. L. Mason 1955-8-13 14653 C Modoc S end of Goose Lake. Comment
  CHSC118323  Allium acuminatum L. P. Janeway 2016-5-18 12051 Modoc Modoc Plateau. Between Goose Lake and the Devils Garden area; uplands along southwest side of Goose Lake about 2.1 air-km southwest of north end of Road 48 causeway across the lake. 1434 Comment
  RSA164387  Allium acuminatum Clare B. Hardham 1961-6-18 7566 Modoc East side Cedar Pass. 1524 Comment
  RSA17438  Allium acuminatum Elmer I. Applegate 1929-6-24 5887 Modoc Between Aden and Canby, Pit River region. Comment
  RSA70206  Allium acuminatum F. W. Peirson 1926-6-25 6874 Modoc Summit of grade, Cedarville Pass, Warner Mountains. Comment
  SEINET3883933  Allium acuminatum Margaret J. Williams 1984-6-30 84- 75 -4 Modoc 27.4 mi N of Cedar Pass road on Hwy 395.; 0 1295 Comment
  CAS-BOT-BC244999  Allium amplectens E. S. Willits 1940-6-5 322 Modoc Canby. Comment
  JEPS47569  Allium amplectens L. S. Smith 1920-7-13 1198 Modoc Round Valley, Big Valley District 1371 Comment
  SEINET8399361  Allium amplectens Unknown 1919-6-14 Modoc Warner Mts. near Alturas. 2134 Comment
  UCD141840  Allium amplectens L. K. Mann; M. D. Mann 1963-6-18 s.n. Modoc 4.6 miles north of Adin toward Alturas. Comment
  SBBG832  Allium bisceptrum H. and M. Dearing 1939-6-7 3577 Modoc Adin summit Comment
  UC71726  Allium bisceptrum var. bisceptrum Mrs. M. H. Manning 1903-4-18 81 Modoc near Fort Bidwell Comment
  JEPS47629  Allium bisceptrum var. bisceptrum L. S. Smith 1843-1 Modoc Cottonwood Pass Warner Mts., Cottonwood Pass 2133 Comment
  CAS-BOT-BC244986  Allium lemmonii Bruce Bartholomew; Barrett Anderson 1989-6-3 4908 Modoc ca. 6 km NW of Egg Lake and ca. 0.8 km E of Service Flat Gulch. 1370 Comment
  CAS-BOT-BC244978  Allium parvum Bruce Bartholomew; M; M. Gilbert; L. E. Skog 1993-5-11 6491 Modoc Near SE corner of Big Sage Reservoir, 5.3 km E of Crowder Flat Road. 1580 Comment
  CAS-BOT-BC244979  Allium parvum Bruce Bartholomew; Barrett Anderson 1989-4-30 4714 Modoc 0.8 km S of Centerville Rd. (Co. road 54) on road to Ralston Gulch (Co. road 77). 1400 Comment
  CAS-BOT-BC244982  Allium parvum Bruce Bartholomew; M; M. Gilbert; L. E. Skog 1993-5-11 6490 Modoc Near SE corner of Big Sage Reservoir, 5.3 km E of Crowder Flat Road. 1580 Comment
  CAS-BOT-BC244964  Allium platycaule Gordon H. True 1964-6-3 1456 Modoc N Fork of Pit River between Alturas and Goose Lake. 1432 Comment
  JEPS47624  Allium platycaule Mary H. Manning June 1920 Modoc Likely Comment
  SEINET198562  Allium platycaule Helen K. Sharsmith 1955-6-22 4484 Modoc Just north of Cedar Pass. 1890 Comment
  HSC42383  Allium platycaule Dale McNeal 1977-6-8 2062 Modoc Above Hwy. 395, 3.0 mi. N of junction of Hwy. 299 N of Alturas Comment
  SEINET3878890  Allium platycaule Noel H. Holmgren, Patricia K. Holmgren 1978-6-8 8884 Modoc Fort Bidwell-Adel road, 15.1 km (9.4 mi) northeast of Fort Bidwell and 10.5 km (6.5 mi) airline distance.; 0 1676 Comment
  HSC30082  Allium tolmiei var. tolmiei D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19387 Modoc Along Hager Basin Rd. near Big Sage Reservoir. Comment
  CAS-BOT-BC244949  Allium validum Bruce Bartholomew; Barrett Anderson 1988-7-23 4585 Modoc Vicinity of Blue Bell Mine between Lily Lake and Dismal Swamp, Warner Mts.. 2170 Comment
  RSA26257  Alopecurus aequalis Alice Eastwood, J. T. Howell 1940-6-12 8088 a Modoc Jess Valley Comment
  CHSC85404  Alopecurus pratensis John Dittes; Josephine Guardino 1991-7-21 431 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
  UCD55818  Alopecurus saccatus L. D. Whitney 1935-7-12 s.n. Modoc Hackamore Reservoir. Comment
  CAS-BOT-BC58648  Alyssum desertorum Bruce Bartholomew; Barrett Anderson 1989-4-27 4621 Modoc 2.1 km SSE of Day on road to State Highway 299. 1020 Comment
  CHSC118077  Alyssum simplex L. P. Janeway 2016-5-17 12031 Modoc Modoc Plateau. Devils Garden area; along Road 43N18 just east of Porcupine Rim; about 4.0 air-km west of Big Sage Reservoir. 1555 Comment
  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
  CHSC71843  Amaranthus californicus Vernon H. Oswald; Lowell Ahart 1998-9-8 9598 Modoc Mosquito Lake on the north side of Whitehorse Flat Reservoir ca. 20 air mi north of McArthur. 1341 Comment
  JEPS94093  Amaranthus californicus Vernon H. Oswald and Lowell Ahart 1998-9-8 9598 Modoc ca. 20 air mi. n. McArthur (Mosquito Lake on the n. side of Whitehorse Flat Reservoir); Whitehorse Flat Reservoir, Mosquito Lake 1341 Comment
  UC1191391  Amaranthus californicus Verne Grant, Irving Schneider 1947-7-10 13326 Modoc Dorris Reservoir, 2 miles east of Alturas. Comment
  UC71785  Ambrosia acanthicarpa Mrs. M. H. Manning 1904-1-1 393 Modoc near(?) Fort Bidwell Comment
  NY849650  Amelanchier alnifolia B. M. Bartholomew 1988-5-13 4174 Modoc 0.6 km north of Jess Valley on West Warner Road, west side of the Warner Mountains 1620 Comment
  POM141579  Amelanchier pallida M. S. Baker 1893-1 s.n. Modoc [Unspecified] Comment
  RSA504634  Amelanchier pumila Bruce Bartholomew 1988-6-24 4315 Modoc Cave Lake, W side of the Warner Mountains. 2130 Comment
  CAS-BOT-BC214627  Amelanchier utahensis K. Paulson; Robert Paulson 1989-5-8 107 Modoc Howard's Gulch, along Hwy 139. 1371 Comment
  CAS-BOT-BC214632  Amelanchier utahensis Bruce Bartholomew; Barrett Anderson 1989-4-27 4611 Modoc 2.1 km SSE of Day on road to State Highway 299. 1020 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-BC217094  Amelanchier utahensis Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16415 Modoc Mountainside near summit of Cedar Pass, between Alturas and Cedarville. Comment
  UC466776  Amelanchier utahensis Franklin P. Nutting Modoc Forestdale Comment
  UCSB18015  Amelanchier utahensis Haller, John 1962-6-8 Modoc Slopes adjacent to South Fork of the Pit River, near Little Meadows Campground, Likely-Eagleville Road about 8 miles East of Likely, Warner Mountains 1584 Comment
  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
  CAS-BOT-BC218331  Anemone Francis Dorris Payne 1931-6-29 285 Modoc E side of Mt. Warren, Warner Mts. Comment
  HSC4654  Antennaria argentea M. T. Milligan 1964-7-1 126 Modoc 6 mi. N of Hwy. 139 on FS Rd. 44N15 1524 Comment
  SEINET6735044 Image available Antennaria argentea M. J. Williams 1984-6-29 84- 72 -2 Modoc Cave Lake, west side of the Warner Mountains. 2134 Comment
  UC1037296  Antennaria dimorpha Leo Whitney 1934-5-19 1653 Modoc Devil's Garden, (ne portion of county) Modoc National Forest 1524 Comment
  CAS-BOT-BC15625  Antennaria dimorpha E. H. Steffen 1917-5-26 11 Modoc West Valley Camp. 1554 Comment
  CAS-BOT-BC15586  Antennaria geyeri Leland S. Smith 1407 Modoc Happy Camp. 1371 Comment
  RSA93633  Antennaria geyeri F. W. Peirson 1926-6-26 6909 Modoc Modoc National Forest NW of Canby. Comment
  JEPS5981  Antennaria luzuloides Frances D. Payne 1932-6-10 537 Modoc s and e of Alturas; Warner Mountains, Parker Creek 1584 Comment
  RSA164371  Antennaria luzuloides Clare B. Hardham 1961-6-18 7556 Modoc Cedar Pass. 1829 Comment
  POM40363  Antennaria luzuloides Mrs. R. M. Austin 1895-07 s.n. Modoc Goose Lake Valley. Comment
  UC1302430  Antennaria luzuloides Clare B. Hardham 1961-6-18 7556 Modoc hills 3 mi se Cedar Pass; Warner Mountains Comment
  SD132003  Antennaria luzuloides subsp. luzuloides Barbara Ertter 1988-6-18 7625 Modoc Hwy 139, 50 miles southwest of Klamath Falls, a few miles north of Agricultural Inspection Station, 1 mi. south of junction Lava Beds Ntl Mnt. 1310 Comment
  CAS-BOT-BC15558  Antennaria rosea subsp. rosea Annie Montague Alexander; L. Kellogg 1946-7-11 4973 Modoc Mesa W of Eight Mile Creek. Comment
  CAS-BOT-BC15565  Anthemis cotula Bruce Bartholomew 1990-8-3 5597 Modoc Ash Creek Wildlife Refuge, ca. 2.5 km S of County Road 87 and 7 km W of Adin. 1250 Comment
  JEPS120133  Apera interrupta Lowell Ahart, John Dittes 2012-7-10 18324 Modoc Northeast 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. Comment
  RSA0059602  Apera interrupta Lowell Ahart, John Dittes 2011-6-21 17520 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
  CHSC31499  Aphyllon purpureum N. E. H. Prouty 1980-8-6 212 Modoc Modoc Nat. Forest. Meadow on southern bank of North Fork Pine Creek. 1524 Comment
  CAS-BOT-BC15694  Apocynum androsaemifolium Bruce Bartholomew; Barrett Anderson 1988-7-21 4410 Modoc Whitehorse Mts., 11 km N of Day on the road to Whitehorse Flat Reservoir. 1340 Comment
  HSC80948  Apocynum androsaemifolium G. M. Riegel 1980-7-14 880 Modoc S Warner Mtns. 1670 Comment
  RSA503044  Apocynum androsaemifolium subsp. pumilum K. Paulson, R. Paulson 1988-7-13 77 Modoc Clear Lake area, Warner Mountains Comment
  POM130514  Apocynum androsaemifolium subsp. pumilum Milo S. Baker 1893-07 s.n. Modoc Hillside, red soil Comment
  UCSC000562  Apocynum pumilum F. H. Frost 1925-7-13 70 Modoc Warner Mountians, Cedar Canyon, Mountian roadside Comment
  UC1125881  Aquilegia formosa R. C. Wilson 1933-7-6 57 Modoc n Roney Flat; Canby quad, Modoc National Forest 1432 Comment
  JEPS46214  Aquilegia formosa F. H. Frost 1925-7-12 48 Modoc Warner Mountains, Cedar Canyon, Stow's Meadow Stow's Meadow; Warner Mountains, Cedar Canyon, Stow's Meadow Comment
  CAS-BOT-BC218333  Aquilegia formosa var. formosa Annie Montague Alexander; L. Kellogg 1946-7-7 4944 Modoc Eight Mile Creek, NE corner of county. 1752 Comment
  HSC18043  Aquilegia formosa var. formosa M. T. Milligan 1965-6-26 331 Modoc N end Jess Valley. 1616 Comment
  CAS-BOT-BC218341  Aquilegia formosa var. formosa P. Monnet 1913-7-7 861 Modoc Warner's Range 2286 Comment
  HSC18038  Aquilegia formosa var. formosa M. T. Milligan 1964-7-4 217 Modoc Lassen Creek above lower campground 1829 Comment
  HSC81079  Arabis glabra G. M. Riegel 1978-6-26 19 Modoc S Warner Mtns. 1670 Comment
  HSC81058  Arabis lyallii G. M. Riegel 1980-8-21 1096 Modoc S Warner Mtns. Comment
  HSC81062  Arabis platysperma G. M. Riegel 1980-9-3 1140 Modoc S Warner Mtns. 1829 Comment
  CAS-BOT-BC58566  Arabis platysperma var. platysperma Elmer Ivan Applegate 1932-8-3 8117 Modoc High western slope of Warner Mts. N of Eagle Peak. Comment
  CAS-BOT-BC95634  Arabis puberula Alice Eastwood; John Thomas Howell 1940-6-13 8119 A Modoc Surprise. Comment
  UC1504492  Arabis puberula Reed C. Rollins and Kathryn W. Rollins 1981-6-1 81192 Modoc 3.3 mi w Lake City; Warner Mountains Comment
  UC118066  Arabis pycnocarpa var. pycnocarpa Mrs. R. M. Austin Jun 1894 Modoc Willow Creek Valley Comment
Read comments
Nov 11 2011
  CAS-BOT-BC95653  Arctostaphylos patula Bruce Bartholomew; Barrett Anderson 1988-5-12 4093 Modoc 4 km NW of White Horse. 1350 Comment
  CAS-BOT-BC95657  Arctostaphylos patula Doris K. Kildale 1926-9-11 2774 Modoc Between Alturas and the Oregon line. 1371 Comment
  JEPS51333  Arenaria aculeata W. L. Jepson 1918-8-7 7886 Modoc Mt. Bidwell 2438 Comment
  JEPS51416  Arenaria aculeata L. S. Smith 1917-6-10 33 Modoc Warner Mts., Jess Valley 1524 Comment
  UC585238  Arenaria aculeata E. B. Babcock, G. L. Stebbins Jr. 1936-6-9 1817 Modoc about 3 mi w Cedarville; Warner Mountains,Cedar Creek Canyon 1524 Comment
  UC8102  Arenaria congesta var. congesta Milo S. Baker 1893-6 Modoc Sandy bank of stream Comment
  UCR87508  Arenaria tenella George K. Helmkamp, E. A. Helmkamp 1993-5-4 s.n. Modoc 35.6 miles NW of Canby along Calif. Hwy 139 1280 Comment
  CAS-BOT-BC242412  Aristida oligantha Louis Cutter Wheeler 1935-9-6 3959 Modoc Fletcher Creek. 1524 Comment
  SEINET7595863 Image available Aristida oligantha Louis C. Wheeler 1935-1 3959 Modoc Fletcher Creek at Pease Place, Devils Garden Comment
  JEPS35884  Arnica Leland S. Smith c. 1918 1076 Modoc Modoc National Forest Comment
  JEPS35869  Arnica chamissonis Frances D. Payne 1931-6-20 204 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  CAS-BOT-BC15450  Arnica chamissonis subsp. foliosa Bruce Bartholomew 1991-7-5 5944 Modoc North Willow Creek, vicinity of the Oregon border. 1580 Comment
  CAS-BOT-BC15403  Arnica cordifolia Bruce Bartholomew; Barrett Anderson 1988-6-24 4320 Modoc Lily Lake, W side of the Warner Mts.. 2130 Comment
  CAS-BOT-BC15404  Arnica cordifolia M. M. Hanna 1956-6-5 s.n. Modoc Cedar Pass camp ground. Comment
  CAS-BOT-BC15407  Arnica cordifolia C. L. Hitchcock 1940-5-27 6702 Modoc 15 mi. NE of Alturas. 1676 Comment
  CAS-BOT-BC15409  Arnica cordifolia Leland S. Smith 1919-6-8 1125 Modoc Deep Creek. 1828 Comment
  HSC81146  Arnica cordifolia G. M. Riegel 1980-6-30 775 Modoc S Warner Mtns. 1670 Comment
  UC615049  Arnica cordifolia Beryl O. Schreiber 1934-6-10 1168 Modoc Lost Lake Warner Mountains Comment
  UC29602  Arnica cordifolia Milo S. Baker 1893-6 Modoc Comment
  RSA504611  Arnica discoidea Bruce Bartholomew, B. Anderson 1988-7-21 4415 Modoc Whitehorse Mountains, 11 km N of Day on the road to Whitehorse Flat Reservoir. 1340 Comment
  UC71690  Arnica discoidea John Henry Hill 1903-9-2 370 Modoc north eastern Modoc County Comment
  JEPS35880  Arnica longifolia Leland S. Smith 1918-8-18 1041 Modoc Eagle Peak Ridge (s end) Eagle Peak Ridge, North Emerson Lake 2682 Comment
  CAS-BOT-BC15286  Arnica mollis R. M. Austin 1898-7-1 2183 Modoc Head Davis Creek. Comment
  CHSC111997  Arnica mollis B. Castro; L. P. Janeway 2008-8-17 1752 Modoc Warner Mountains. North slope of Bald Mountain; mid-slope not far above last row of trees. . 2310 Comment
  POM229876  Arnica mollis L. C. Wheeler 1935-8-14 3855 Modoc Lily Lake, Pine Creek, Warner Mts. 2134 Comment
  CAS-BOT-BC82765  Arnica mollis Frances Payne 1929-7-12 99 Modoc Upper Silver Creek, Warner Mts. 2499 Comment
  CHSC115055  Arnica sororia Jessica O'Brien 2014-9-24 Modoc 1364 Comment
  CAS-BOT-BC242406  Arrhenatherum elatius L. D. White 1953-10-1 s.n. Modoc Briles orchard, Davis Creek. Comment
  CHSC67332  Artemisia arbuscula James D. Jokerst 1986-9-18 2769 Modoc Radar Site Survey S of Doublehead Mtn. Ca. 1.5 mi S of Doublehead Mtn. 1386 Comment
  CAS-BOT-BC15216  Artemisia arbuscula subsp. arbuscula James D. Jokerst 1983-7-27 1911 Modoc Near Signal Butte. 1340 Comment
  JEPS89422  Artemisia arbuscula subsp. arbuscula Dean Wm. Taylor with Glenn L. Clifton 1989-8-5 10481 Modoc flat in SE1/4 Section 3, Warner Mountains Warner Mountains 2392 Comment
  POM228877  Artemisia cana L. C. Wheeler 1935-8-30 3931 Modoc Devil's Garden: Lakeshore Reservoir. 1524 Comment
  CDA19748  Artemisia cana H. R. Leach September 1959 s.n. Modoc Modoc Plateau; No additional data provided. 0 Comment
  CHSC67335  Artemisia cana subsp. bolanderi J. D. Jokerst 1986-9-18 2768 Modoc Radar Site Survey S of Doublehead Mtn. Ca. 1.5 mi S of Doublehead Mtn. 1386 Comment
  SJSU9685  Artemisia ludoviciana subsp. ludoviciana W. Savage 1979-7-26 1567 Modoc Round Willows Unit, Devils Garden District, Modoc National Forest 1584 Comment
  JEPS37012  Artemisia tridentata subsp. tridentata W. L. Jepson 1918-8-7 7882 Modoc Mt. Bidwell 2499 Comment
  SEINET3397746  Artemisia tridentata subsp. vaseyana Unknown 1994-1 s.n. Modoc N. of Lookout Comment
  UC1192156  Artemisia tridentata subsp. wyomingensis Verne Grant and Irving Schneider 1947-7-20 8090 Modoc 2 mi e Alturas; Dorris Reservoir Comment
  CAS-BOT-BC15699  Asclepias cordifolia Bruce Bartholomew; Barrett Anderson 1988-7-21 4463 Modoc Vicinity of Patterson Campground, southern end of the Warner Mts. 2190 Comment
  HSC80946  Asclepias cordifolia G. M. Riegel 1980-7-9 861 Modoc S Warner Mtns. 1670 Comment
  CAS-BOT-BC15661  Asclepias fascicularis Leland S. Smith 1925-7-1 1505 Modoc Happy Camp near Webb Flat. 1310 Comment
  UC1483861  Asclepias fascicularis G. Schoolcraft 1980-8-6 347 Modoc se Spalding Butte (near Highway 139) 1450 Comment
  CDA39828  Asclepias speciosa T. C. Fuller 1957-9-18 337 -57 Modoc Adin. 0 Comment
  CAS-BOT-BC54126  Asperugo procumbens Herbert Louis Mason; Verne Grant 1947-7-12 13416 Modoc Near S end of W Side Road, Pit River Valley, S of Alturas. 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
  POM39128  Aster frondosus Mrs. R. M. Austin 1895-09 441 Modoc Shores of Goose Lake Comment
  CAS-BOT-BC178752  Astragalus canadensis var. brevidens Leo Whitney 1934-5-29 1927 Modoc Hackamore 1463 Comment
  CAS-BOT-BC218210  Astragalus canadensis var. brevidens C. C. (Mrs.) Bruce 1897-8-1 2213 Modoc Lake shore. Comment
  NY803542  Astragalus curvicarpus var. curvicarpus A. A. Heller 1938-6-24 15225 Modoc On banks along U.S. Highway 299, between Alturas and Canby 1341 Comment
  CAS-BOT-BC182077  Astragalus filipes Bruce Bartholomew; Barrett Anderson 1989-6-2 4811 Modoc NE side of Upper Lake, 4 km S of road to Fee Reservoir, NE end of Surprise Valley. 1420 Comment
  CHSC42317  Astragalus filipes A. A. Heller 1938-6-24 15226 Modoc Common at several places on roadside banks between Alturas and Canby in the Upper Sonoran Life Zone. 1219 Comment
  NY658481  Astragalus filipes S. L. Welsh 2001-6-14 28159 Modoc Ca. 6 miles S of Alturas. Along Hwy. 395 Comment
  NY658497  Astragalus filipes B. J. Ertter 1988-6-18 7619 Modoc Hwy. 139 ca. 50 airmiles SW of Klamath Falls, a few miles N of Agricultural Inspection Station, 1 mile S of S jct. to Lava Beds Nat'l Monument E of Tonesta 1310.6 Comment
  POM260293  Astragalus filipes C. L. Hitchcock 1940-5-27 6650 Modoc 9 miles northeast of Alturas. 1402 Comment
  JEPS54660  Astragalus filipes Leland S. Smith 1919-6-8 1126 Modoc Deep Creek above station (Modoc Forest); , Deep Creep above station 1676 Comment
  RSA415802  Astragalus filipes Christopher Davidson 1973-5-24 2106 Modoc S of Alturas on County Rd 63 off Hwy 395 near Likely. 1311 Comment
  CAS-BOT-BC182060  Astragalus inversus Bruce Bartholomew; Barrett Anderson 1988-6-23 4237 Modoc 2.1 km SSE of Day on the road to State Highway 299. 1020 Comment
  CAS-BOT-BC182053  Astragalus malacus Bruce Bartholomew 1994-5-15 6696 Modoc Poison Spring Canyon near junction with Schamp Creek. Ca. 8 km E of Fort Bidwell. 1480 Comment
  UC397292  Astragalus malacus Mrs. M. H. Manning May 1907 Modoc Warner Range Comment
  UC81372  Astragalus obscurus Mrs. R. M. Austin June 1894 80 Modoc Goose Lake Valley Comment
  CAS-BOT-BC182025  Astragalus purshii Alice Eastwood; John Thomas Howell 1940-6-14 8245 Modoc Between Mammoth Cave and Lava Beds Nat. Mon. Comment
  CAS-BOT-BC182026  Astragalus purshii M. M. Hanna 1956-6-5 Modoc Cedar Pass. Comment
  CAS-BOT-BC182037  Astragalus purshii Bruce Bartholomew; Barrett Anderson 1989-4-28 4643 Modoc 6.8 km N of State Highway 299 on road to Raker & Thomas Reservoir. 1400 Comment
  JEPS3943  Astragalus purshii N. T. Mirov 1929-5-30 Modoc Buck Creek Ranger Station e Goose Lake (Buck Creek Ranger Station, Warner Mountains); Warner Mountains, e of Goose Lake 1584 Comment
  CHSC19729  Astragalus purshii var. lagopinus M. T. Milligan 1966-6-19 468 Modoc Eagle Peak Region, Warner Mountains. Eroded volcanic plateau west of Jess Valley. 1828 Comment
  CHSC117878  Astragalus purshii var. purshii L. P. Janeway 2016-5-16 11994 Modoc Modoc Plateau. Devils Garden area; along Road 47N07 1.8 road-km south of Road 181/73/47N09. 1573 Comment
  JEPS54797  Astragalus purshii var. tinctus Frances D. Payne 1932-6-15 645 Modoc s and e Alturas (Parker Creek); Warner Mountains, , s and e of Alturas 1584 Comment
  UC13457  Astragalus purshii var. tinctus Mrs. R. M. Austin and Bruce June 1898 2207 Modoc Plains Goose Lake Comment
  UC190588  Astragalus purshii var. tinctus M. F. Gilman 545 Modoc dry hills 1524 Comment
  HSC81083  Astragalus whitneyi G. M. Riegel 1980-7-14 872 Modoc South Warner Mtn. 1829 Comment
  HSC30875  Astragalus whitneyi D. E. Jackson 1974-6-16 660 Modoc Stowe Reservoir Campground, Cedar Pass, Hwy. 299. 1890 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
  UCSB48318  Astragalus whitneyi var. confusus Hardham, Clare 1961-6-18 Modoc Mountains south of Cedar Pass 1981 Comment
  CAS-BOT-BC181988  Astragalus whitneyi var. lenophyllus Bruce Bartholomew 1995-8-1 7163 Modoc Bidwell Mtn., E side of the Warner Mountains. 2150 Comment
  CAS-BOT-BC181989  Astragalus whitneyi var. lenophyllus Edward Kent Balls 1950-5-18 14741 Modoc 1 mi. SW of Canby Bridge on Hwy. 299. 1341 Comment
  CAS-BOT-BC181995  Astragalus whitneyi var. lenophyllus Bruce Bartholomew 1990-6-17 5355 Modoc 11.3 km N of Buck Creek Ranger Station, a crest of the Warner Mountains. 2130 Comment
  CAS-BOT-BC182005  Astragalus whitneyi var. lenophyllus Bruce Bartholomew 1989-7-15 5015 Modoc Manzanita Lookout, top of Manzanita Mountain. 2130 Comment
  CAS-BOT-BC182015  Astragalus whitneyi var. lenophyllus Clare Butterworth Hardham 1961-6-18 7559 Modoc E side Cedar Pass. 1828 Comment
  RSA0017009  Astragalus whitneyi var. siskiyouensis I. L. Wiggins, Dorothy B. Wiggins 1961-6-16 16525 Modoc 6.4 mi. W of Canby. 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
  UCR150952  Atriplex rosea Mary DeDecker 1974-9-30 3710 Modoc Modoc Plateau, just south of Alturas, along Highway 395 1280 Comment
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Aug 29 2007
  RSA620098  Atriplex rosea Mary DeDecker 1974-9-30 3710 Modoc Just south of Alturas: along Highway 395. 1280 Comment
Read comments
Aug 23 2007
  RSA639578  Atriplex subspicata L. C. Wheeler 1935-9-4 3950 Modoc Goose Lake: McGinty Point. 1463 Comment
  CAS-BOT-BC95510  Atriplex truncata Louis Cutter Wheeler 1935-9-4 3941 Modoc McGinty Point, Goose Lake. 1463 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
  UC1536810  Azolla filiculoides Gordon H. True Jr. 1939-7-21 1019 Modoc near Canby (Pit River) Comment
  CAS-BOT-BC100052  Balsamorhiza hookeri M. S. Baker; Frank Nutting June 8 s.n. Modoc near Egg Lake Comment
  HSC5174  Balsamorhiza hookeri M. T. Milligan 1964-5-9 33 Modoc 4 mi. N of Hwy. 139 on USFS Rd. 44N15 1524 Comment
  SEINET10958200  Balsamorhiza hookeri LeRoy E. Detling 1948-5-24 Detling 6254 Modoc N. Fork Pit River. 1463 Comment
  CAS-BOT-BC15180  Balsamorhiza hookeri var. lanata R. M. Austin; C. C. (Mrs.) Bruce 1898-7-1 2179 Modoc unspecified Comment
  CAS-BOT-BC15126  Balsamorhiza sagittata Bruce Bartholomew; Barrett Anderson 1988-5-14 4193 Modoc 2 km S of turn off to Crowder Flats West Side Road, W side of Goose Lake. 1410 Comment
  CAS-BOT-BC15198  Balsamorhiza sagittata R. M. Austin 1898-6-1 2161 Modoc Goose Lake Valley Comment
  JEPS30489  Balsamorhiza sagittata Peter H. Raven with Otto T. Solbrig 1958-6-18 13316 Modoc 8.8 mi s of Happy Camp Guard Station (Modoc National Forest); Modoc National Forest 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-BC58626  Barbarea orthoceras Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10575 Modoc Patterson Ranger Station (East Creek drainage). 2164 Comment
  UC10248  Barbarea orthoceras Mrs. R. M. Austin July, 1894 Modoc Davis Creek Comment
  UC748372  Barbarea orthoceras Annie M. Alexander and Louise Kellogg 1946-6-22 4818 Modoc edge Bidwell Creek; Warner Mountains Comment
  CAS-BOT-BC95511  Bassia hyssopifolia Bruce Bartholomew; Barrett Anderson 1990-7-21 5551 Modoc W edge of Middle Alkali Lake, directly E of Cedarville, Surprise Valley. 1370 Comment
  CAS-BOT-BC95512  Bassia hyssopifolia Bruce Bartholomew 1989-8-11 5082 Modoc Sand Creek, Surprise Valley, 5 km W of Nevada border on State Hwy 299. 1400 Comment
  CDA31542  Beckmannia syzigachne G. D. Barbe, John Kelley 1988-7-2 4298 Modoc Modoc National Wildlife Refuge, southeast of Alturas. 0 Comment
  RSA0005404  Beckwithia austinae R. M. Austin, C. C. Bruce 1898-06 2134 Modoc Lake City Mt. Western slope. Comment
  CAS-BOT-BC54178  Berberis aquifolium var. repens Elmer Ivan Applegate 1932-8-5 8166 Modoc Cedar Pass, Warner Mts. Comment
  CAS-BOT-BC54180  Berberis aquifolium var. repens Bruce Bartholomew 1995-6-2 6943 Modoc Lake City Canyon on road between Lake City and Benton Meadow, E side of the Warner Mountains. 1690 Comment
  CAS-BOT-BC54181  Berberis aquifolium var. repens Betty J. Hammerly 1941-6-20 31 Modoc Along banks of Clear Lake, S end of Warner Mts. 1767 Comment
  CAS-BOT-BC54182  Berberis aquifolium var. repens Bruce Bartholomew; Barrett Anderson 1990-7-19 5417 Modoc Top of Hunters Ridge S of Rush Creek. 1960 Comment
  CAS-BOT-BC54222  Berberis aquifolium var. repens John Thomas Howell 1934-6-11 11981 Modoc Parker Creek, Warner Mts. 1584 Comment
  HSC29982  Berberis aquifolium var. repens D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19457 Modoc Upper Rush Creek Campground, about 8 mi. N of Adin on Hwy. 299 Comment
  HSC65327  Berberis aquifolium var. repens J. P. Smith, J. O. Sawyer 1973-8-9 7264 Modoc Blue Lake, Modoc National Forest. 1829 Comment
  JEPS58648  Betula glandulosa Frances D. Payne 1931-6-29 292 Modoc marshy ground at head Cottonwood Creek (e slope of mt); Warner Mountains, Mt. Warren 2286 Comment
  UC71756  Betula glandulosa Mrs. M. H. Manning 1903-8-22 306 Modoc Warner Range Warner Range (ne Modoc Co.) 2133 Comment
  UC748347  Betula occidentalis Annie M. Alexander and Louise Kellogg 1946-6-14 4746 Modoc edge Barber Creek; Patterson Mill Road 1798 Comment
  CAS-BOT-BC498659  Betula occidentalis Roxana S. Ferris; Laura Lorraine 1941-8-14 10600 Modoc 8.5 mi from Patterson Ranger Station on Eagleville Rd., Warner Mountains Comment
  CDA39612  Betula occidentalis T. C. Fuller 1971-7-14 19907 Modoc South Barber Creek at crossing with Barber Grade. 0 Comment
  UCD129551  Bidens cernua Herbert L. Mason; Verne Grant 1947-7-12 13431 Modoc south loop of west side road, north of Likely. Comment
  CAS-BOT-BC15148  Bidens cernua var. cernua Robert Folger Thorne; J. Henrickson; C. W. Tilforth 1969-9-4 39117 Modoc N Fork of Pit River 3.4 mi. N of Alturas where crossed by Hwy 395. 1341 Comment
  CAS-BOT-BC218115  Bistorta bistortoides K. Paulson; Robert Paulson 1988-6-29 65 Modoc Benton Meadow, Warner Mts.. 1676 Comment
  CAS-BOT-BC218116  Bistorta bistortoides Bruce Bartholomew; Barrett Anderson 1988-7-22 4545 Modoc Benton Meadow, Warner Mts.. 2180 Comment
  NY407593  Bistorta bistortoides B. M. Bartholomew 1988-7-22 4545 Modoc Benton Meadow, Warner Mountains, Davis Creek 15' Quad. 2180 Comment
  CAS-BOT-BC15085  Blepharipappus scaber C. L. Hitchcock 1940-5-27 6670 Modoc 15 mi. NE of Alturas. 1615 Comment
  CAS-BOT-BC15105  Blepharipappus scaber Barrett Anderson 1986-7-9 3130 Modoc Poney Flat Road, just off Hwy 299 1435 Comment
  CAS-BOT-BC15111  Blepharipappus scaber Bruce Bartholomew 1991-6-21 5796 Modoc 1.6 km S of Davis Creek on U.S. Hwy 395. 1450 Comment
  HSC41116  Blepharipappus scaber Thomas W. Nelson, Jane P. Nelson, James Nelson 1976-8-29 3250 Modoc Modoc National Forest; along Hwy. 299 just N west of Adin Pass 1524 Comment
  HSC5821  Blepharipappus scaber M. T. Milligan 1964-6-6 3 Modoc N side of Dorris Reservoir along shore 1372 Comment
  UC35785  Blepharipappus scaber Mrs. R. M. Austin 1894-7-1 Modoc Goose Leake Valley Comment
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Jul 6 2010
  UCR92621  Blepharipappus scaber Kathy Harper, D. Karr 1994-6-16 s.n. Modoc Modoc Plateau, near Spaulding Lake, along Calif. Hwy 139, c. 15 mi. south of Tionesta Road, NW of Canby near Hackamore 1160 Comment
  HSC41122  Blepharipappus scaber Thomas W. Nelson, Jane P. Nelson, James Nelson 1976-8-29 3248 Modoc Modoc National Forest; along Hwy. 299 just NW of Andin Pass 1524 Comment
  HSC81015  Blepharipappus scaber G. M. Riegel 1980-7-3 819 Modoc South Warner Mountains 2100 Comment
  RSA185384  Blepharipappus scaber Clare B. Hardham 1961-6-18 6546 Modoc 3 miles SE of Cedar Pass. 1829 Comment
  RSA424434  Blepharipappus scaber Margaret J. Williams 1984-7-1 84- 85 -4 Modoc Northwest of Alturas, 2.1 miles north of highway on the Crowder Flat road. 1372 Comment
  UC615421  Boechera acutina Beryl O. Schreiber 1934-6-10 1167 Modoc Lost Lake Warner Mountains Comment
  UC748071  Boechera lemmonii Annie M. Alexander and Louise Kellogg 1946-7-30 5095 Modoc e slope below summit Eagle Peak; Warner Mountains Comment
  CAS-BOT-BC95726  Boechera pauciflora Francis Marion Ownbey; Frederick Gustav Meyer 1940-7-1 2148 Modoc Cedar Peak, Warner Mts. Comment
  CAS-BOT-BC14095  Boechera pauciflora B. Bartholomew; B. Anderson 1988-7-21 4464 Modoc Vicinty of Patterson Campground, southern end of Warner Mountains. 2190 Comment
  SJSU9699  Boechera puberula W. Savage 1979-7-10 1535 Modoc Oregon Rim Unit, Devils Garden District, Modoc National Forest 1645 Comment
  UCD150423  Boechera puberula Harry A. George 1967-6-15 s.n. Modoc S. of Adin. Comment
  CAS-BOT-BC25536  Boechera retrofracta B. Bartholomew 1991-5-25 5746 Modoc Ca. 2 km northeast of Blue Mountain. 1580 Comment
  JEPS53185  Boechera sparsiflora Leland S. Smith 1918-6-22 949 Modoc Pine Creek Modoc Forest 1981 Comment
  CAS-BOT-BC497317  Boisduvalia Fred P. Cronemiller, Jr. 1920-6-15 8 Modoc McKenzie Spring 1310 Comment
  POM46123  Boisduvalia macrantha R. M. Austin 1895-07 426 Modoc Davis Creek Comment
  CHSC70713  Brickellia microphylla A. Sanger 1997-8-27 2610 Modoc South of Hwy 299 on Cedar Pass just north of the gravel shack at the proposed Cedar Creek trailhead. 1584 Comment
  RSA152613  Briza maxima I. L. Wiggins, Dorothy Wiggins 1961-6-12 16374 Modoc California Highway 299, 5.5 mi. N of Alturas at junction of Cedar Pass road. Comment
  CAS-BOT-BC244939  Brodiaea coronaria subsp. coronaria Barrett Anderson 1986-7-9 3141 Modoc Roney Flat Rd just off Hwy 299. 1435 Comment
  UC3321  Brodiaea coronaria subsp. coronaria Milo S. Baker 1893-7-10 Modoc Comment
  UCD60274  Bromus L. Whitney 1935-7-1 s.n. Modoc Spauldings Butte. Comment
  CAS-BOT-BC242402  Bromus briziformis Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16374 Modoc Junction of Cedar Pass road and Hwy 299, 5.5 mi. N of Alturas. Comment
  CAS-BOT-BC242447  Bromus briziformis Margaret J. Williams; et al 1988-6-2 88- 28 -1 Modoc Jess Valley, E of Likely, S of roadside rest. Comment
  JEPS69154  Bromus briziformis Leland S. Smith 1918-6-14 939 Modoc Buck Creek Ranger Station 1524 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
  POM260302  Bromus briziformis C. L. Hitchcock 1940-5-27 6659 Modoc 9 miles northeast of Alturas. 1402 Comment
  SEINET4344989  Bromus briziformis M. J. Williams 1969-6-14 s.n. Modoc Jess Valley 1524 Comment
  CAS-BOT-BC242426  Bromus carinatus var. carinatus Leland S. Smith 1924-5-26 s.n. Modoc Pit River, near Ranger Station. 1371 Comment
  UC1137106  Bromus carinatus var. carinatus August L. Hormay 1932-7-15 Modoc Crowder Flat Ranger Station Comment
  JEPS69181  Bromus carinatus var. carinatus Leland S. Smith 1917-7-17 84 Modoc Comment
  UCD59507  Bromus diandrus L. Whitney 1935-5-30 3160 Modoc White Horse. Comment
  HSC9249  Bromus hordeaceus M. T. Milligan 1964-6-6 2 Modoc N side of Dorris Reservoir along shore 1372 Comment
  RSA534604  Bromus japonicus Bruce Bartholomew 1989-7-14 4922 Modoc Along Rush Creek between Lower and Upper Rush Creek Campgrounds 1520 Comment
  UC1024968  Bromus japonicus Leo Whitney 1935-7-6 3440 Modoc Pit River near Lookout; Pit River Comment
  UC1024999  Bromus japonicus Leo Whitney 1935-7-7 3384 Modoc 4 mi nw of Canby (Howard Gulch); Howard Gulch Comment
  UCD57992  Bromus japonicus Louis C. Wheeler 1973-8-23 s.n. Modoc Big Mud Lake. Comment
  UC1024932  Bromus madritensis subsp. rubens Leo Whitney 1935-6-29 3345 Modoc 15 mi nw of Canby (Modoc National Forest, Hackamore, Lake Joaquina); Modoc National Forest, Hackamore, Lake Joaquina 1463 Comment
  HSC80908  Bromus orcuttianus G. M. Riegel 1979-9-6 763 Modoc South Warner Mountains 509 Comment
  UC53741  Bromus orcuttianus M. S. Baker and Frank Nutting 1894-8-20 Modoc near Forestdale 1371 Comment
  JEPS73962  Bromus racemosus Frances D. Payne 1932-7-20 720 Modoc s and e of Alturas (Warner Mountains, Parker Creek); Warner Mountains, Parker Creek 1584 Comment
  SEINET3923301  Bromus rubens Leo Whitney 1935-5-21 3113 Modoc Lake Joaquina, Hackamore, ca. 15 miles northwest of Canby, Modoc National Forest.; 0 1463 Comment
  CAS-BOT-BC242460  Bromus suksdorfii Leland S. Smith 1922-7-20 1277 Modoc Rush Creek Ranger Station. 1905 Comment
  HSC9343  Bromus suksdorfii M. T. Milligan 1964-7-1 127 Modoc 6 mi. N of Hwy. 139 on USFS Rd. 44N15 1524 Comment
  CAS-BOT-BC242451  Bromus tectorum Bruce Bartholomew; Mona Bourell 1990-4-26 5166 Modoc Vicinity of Ostrom Point, N side of Pit River, 3.2 km E of W end of Stone Coal Rd. 1280 Comment
  CAS-BOT-BC242453  Bromus tectorum Leland S. Smith 1919-6-4 1127 Modoc Deep Creek Ranger Station. 1508 Comment
  CAS-BOT-BC242497  Bromus tectorum Leland S. Smith 1923-5-15 1501 Modoc Adin. Comment
  UCD60047  Bromus tectorum Beecher Crampton; Carl Rimbey 1954-7-6 2111 Modoc 20 miles E of Alturas. Warner Mountains. Above Shields Creek. Comment
  UC1101528  Callitriche hermaphroditica Herbert L. Mason and Verne Grant 1947-7-10 13348 Modoc 2 mi e Alturas; Dorris Reservoir 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
  UCD123516  Callitriche palustris Herbert L. Mason; Verne Grant 1947-7-12 13428 Modoc south loop west side road, north of Likely. 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
  CAS-BOT-BC30158  Calocedrus decurrens Belknap C. Goldsmith 1910-8-1 18 Modoc Near Fandango Creek, W slope Warner Mts. 1630 Comment
  CAS-BOT-BC85785  Calocedrus decurrens Elmer I. Applegate 1932-7-6 8208 Modoc Bidwell Creek above Ft. Bidwell Comment
  CAS-BOT-BC244938  Calochortus leichtlinii Elmer Ivan Applegate 1932-7-31 7958 Modoc Mill Creek Meadow. Comment
  HSC15399  Calochortus leichtlinii M. T. Milligan 1966-6-29 484 Modoc N end of Jess Valley 1616 Comment
  CHSC67724  Calochortus longebarbatus J. D. Jokerst 1983-7-18 1856 Modoc West of and adjacent to forest service rd 5500, 0.2 miles N of the road junction that is at the center of the E edge of section 8. CALO-2. Comment
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Aug 4 2018
  CAS-BOT-BC242138  Calochortus macrocarpus K. Paulson; Robert Paulson 1988-7-13 79 Modoc Jess Valley Rd., 3 mi. E of Likely. 1371 Comment
  CAS-BOT-BC242139  Calochortus macrocarpus Elmer Ivan Applegate 1932-8-4 8149 Modoc Near and above Jess Valley, S fork of Pit River. Comment
  CAS-BOT-BC242149  Calochortus macrocarpus Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10517 Modoc Patterson Ranger Stateon (East Creek drainage). 2164 Comment
  RSA17452  Calochortus macrocarpus Elmer I. Applegate 1932-7-9 7621 Modoc Surprise Valley, 5 miles south of Fort Bidwell Comment
  JEPS17723  Calochortus macrocarpus Rimo Bacigalupi with G. T. Robbins 1955-7-20 5384 Modoc 5.5 mi ne Alturas (near junction of Cedar Pass rd and U.S. Hwy 395) 1371 Comment
  SD52081  Calochortus macrocarpus Frank Stephens 1894-7-28 10333 Modoc Goose Lake. 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
  RSA0039539  Calycadenia ciliosa Lowell A. Ahart, John Dittes 2008-8-25 15294 Modoc On the west side of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout. 1273 Comment
  JEPS114393  Calycadenia fremontii Lowell Ahart, John Dittes 2008-8-25 15294 Modoc On the west side of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout 1273 Comment
  CAS-BOT-BC197577  Calyptridium umbellatum Bruce Bartholomew; Barrett Anderson 1988-6-23 4243 Modoc 4.2 km NW of Day. 1020 Comment
  HSC64521  Calyptridium umbellatum J. P. Smith, J. O. Sawyer 1973-8-8 7226 Modoc Near summit of Eagle Peak 2988 Comment
  UCR34758  Calyptridium umbellatum J. A. Harpel 1981-8-6 V- 35 Modoc Warner Mtns, South Warner Wilderness Area: E end of Patterson Lake, 7 mi NW of Eagleville 2744 Comment
  CAS-BOT-BC95580  Calystegia occidentalis subsp. occidentalis Roxana Stinchfield Ferris; R. Duthie 1919-6-15 191 Modoc Parker Creek above Modoc National Forst boundary. Comment
  CAS-BOT-BC95582  Calystegia occidentalis subsp. occidentalis Bruce Bartholomew; Barrett Anderson 1988-7-21 4417 Modoc S end of Whitehorse Flat Reservoir. 1340 Comment
  HSC25992  Calystegia occidentalis subsp. occidentalis D. H. Norris, S. Dowty, T. Nelson 1971-6-23 19480 Modoc Upper Rush Creek Campground, about 8 mi. N of Adin on Hwy. 299 Comment
  HSC6382  Calystegia occidentalis subsp. occidentalis M. T. Milligan 1965-6-30 387 Modoc E of Jess Valley. 1707 Comment
  SJSU8747  Calystegia occidentalis subsp. occidentalis H. L. Buckalew 1961-7-3 Modoc Stowe Reservoir c. 1 mi N of Cedar Pass on Alturas-Cedarville Rd, Warner Mts 1920 Comment
  CAS-BOT-BC95581  Calystegia occidentalis subsp. occidentalis Francis Dorris Payne 1931-7-6 321 Modoc Warner Mts. Comment
  CAS-BOT-BC493370  Camassia quamash subsp. breviflora Isabel T. Kelly 1930-1-1 11 Modoc Fort Bidwell Comment
  UCD138389  Camassia quamash subsp. breviflora Malcolm A. Nobs; S. Galen Smith 1949-5-29 773 Modoc one mile east of Lake City. Comment
  JEPS61553  Camassia quamash subsp. quamash Milo S. Baker Jun 21 1893-Jul 21 1893 Modoc Modoc County Comment
  CHSC112405  Camelina microcarpa Lowell Ahart; John Dittes, Todd Sloat 2013-6-8 18757 Modoc On the north side of levee, about 100 yards north of the Parking Area, northwest of the old barn, Ash Creek State Wildlife Area, about 3.9 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  JEPS118336  Camelina microcarpa Lowell Ahart, John Dittes 2011-6-22 17547 Modoc On the east side of the road, about 150 yards north of the Pilot Butte Parking Lot, north edge of Ash Creek Floodplain, 1.1 miles (air) south of County road 87, 7.7 miles (air) west of Adin, 10 miles (air) east of Lookout, Big Valley 1264 Comment
  UC1191447  Camelina microcarpa Verne Grant, Irving Schneider 1947-7-20 8108 Modoc North Fork of Pit River downstream from Alturas; North Fork of Pit River Comment
  UC1586092  Camissonia parvula Barbara Ertter 1988-6-18 7614 Modoc Hwy 139 1 mi s jct. to Lava Beds Nat'l Monument (ca 50 air mi sw of Klamath Falls, a few mi n of Agric. Inspection Station, e of Tonesta) 1310 Comment
  NY852051  Camissonia subacaulis L. C. Wheeler 1935-8-1 3731 Modoc Dismal Swamp, Twenty Mile Creek, Warner Mountains 2225 Comment
  NY852072  Camissonia tanacetifolia B. Anderson 1986-7-9 3147 Modoc Crowder Flat Road, 3.2 km off Hwy 299 1510 Comment
  CAS-BOT-BC191081  Camissonia tanacetifolia subsp. tanacetifolia Peter Hamilton Raven 1962-5-29 17893 Modoc 13 mi. NW of Canby. Comment
  CAS-BOT-BC191083  Camissonia tanacetifolia subsp. tanacetifolia Alice Eastwood; John Thomas Howell 1940-6-12 8096 Modoc Midway between Likely and Alturas. Comment
  CHSC106323  Capsella bursa-pastoris Lowell Ahart; John Dittes 2010-8-31 17129 Modoc Elkins Lane, at 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
  HSC65547  Capsella bursa-pastoris Thomas Wood 1979-8-8 202 Modoc 1 mi. S of Ft. Bidwell along Hwy. 1, corner house where road turns W 1372 Comment
  UC117881  Capsella bursa-pastoris Mrs. R. M. Austin 1894-4 10 Modoc Lassen Creek Comment
  SBBG22024  Cardamine breweri C. B. Hardham 1961-6-18 7568 Modoc S of Cedar Pass Comment
  CAS-BOT-BC58429  Cardamine breweri var. breweri Alice Eastwood; John Thomas Howell 1940-6-13 8166 Modoc Cedarville. Comment
  CAS-BOT-BC58475  Cardamine breweri var. breweri Bruce Bartholomew; Barrett Anderson 1988-6-24 4326 Modoc Lily Lake, W side of the Warner Mts.. 2130 Comment
  CDA3734  Cardaria pubescens T. C. Fuller 1959-7-8 4714 Modoc Highway 139, chain station, 5.4 miles north of Canby. 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
  CHSC109484  Carex abrupta L. P. Janeway; B. Castro 2012-7-25 10981 Modoc Warner Mountains. Slope along north side of Dismal Swamp. 2216 Comment
  HSC7045  Carex aquatilis M. T. Milligan 1965-7-10 425 Modoc W slope of Eagle Peak. 2439 Comment
  CHSC109483  Carex athrostachya L. P. Janeway; B. Castro 2012-7-25 10982 Modoc Warner Mountains. Slope along north side of Dismal Swamp. 2216 Comment
  UC143709  Carex aurea M. S. Baker and Frank Nutting 1894-6-15 Modoc Big Valley Mts. Comment
  UCD146975  Carex aurea Chuck Hughes 2012-9-13 346 Modoc Bear Mountain. 2005 Comment
  CAS-BOT-BC242366  Carex heteroneura Annie Montague Alexander; L. Kellogg 1946-7-18 5020 Modoc Benton Meadow. 2072 Comment
  CAS-BOT-BC245185  Carex hoodii Bruce Bartholomew; Barrett Anderson 1988-7-21 4457 Modoc Vicinity of Patterson Campground, southern end of the Warner Mts. 2190 Comment
  RSA101501  Carex illota R. Weatherby 1955-7-7 1603 Modoc Dismal Swamp, northern Warner Mountains. 2241 Comment
  CAS-BOT-BC242362  Carex integra Annie Montague Alexander; L. Kellogg 1946-6-15 4776 Modoc Head Deep Creek. 2133 Comment
  POM203051  Carex jonesii J. T. Howell 1934-6-14 12165 Modoc Near Lost Lake, Warner Mts. 2439 Comment
  SEINET7563152 Image available Carex jonesii John Thomas Howell 1934-6-14 12165 Modoc Near Lost Lake, Warner Mts. 2438 Comment
  JEPS118461  Carex lanuginosa Lowell Ahart, John Dittes 2011-6-21 17528 Modoc About 100 yards west of the parking Area west of the old barn, on the west side of Elkins Lane, Ash Creek State Wildlife Area, 320 feet north of Lassen County Line, about 4.4 miles (air) west of Adin, about 7.2 miles (air) northeast of Bieber, Big Valley 1268 Comment
  CAS-BOT-BC497335  Carex lasiocarpa G. Schoolcraft 1996-7-23 2545 Modoc E. of Yankee Jim Ranch, SE of Alturas 1645 Comment
  JEPS101119  Carex lenticularis var. impressa Dean W. Taylor 1989-8-5 10470 Modoc North Emerson Lake; Warner Mountains; Warner Mountains, North Emerson Lake margin Comment
  JEPS109546  Carex luzulina var. ablata Dean W. Taylor 1987-6-27 9117 Modoc Warner Mountains, headwaters upper South Deep Creek 2194 Comment
  UC1024323  Carex luzulina var. luzulina Annie M. Alexander and Louise Kellogg 1946-7-1 4886 Modoc 2 miles SW of Dismal Swamp (Mineral Spring); Warner Mountains, N end 2255 Comment
  HSC75585  Carex microptera G. M. Riegel 1979-8-23 698 Modoc S Warner Mtns. 2100 Comment
  UC1024335  Carex microptera Annie M. Alexander and Louise Kellogg 1946-7-18 5021 Modoc Benton Meadow Warner Mountains 2072 Comment
  CAS-BOT-BC245164  Carex nebrascensis R. L. Ward 1976-5-18 s.n. Modoc Pine Spring. 1508 Comment
  CHSC106173  Carex nebrascensis Lowell Ahart; John Dittes 2010-8-30 17086 Modoc About 400 yards west the bridge across Ash Creek, Elkins Lane, 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. 1277 Comment
  JEPS63608  Carex pachystachya Frances D. Payne 1932-7-21 725 Modoc Patterson Lake Warner Mountains, Mt. Warren, Patterson Lake Comment
  CAS-BOT-BC242358  Carex pellita John Thomas Howell 1934-6-16 12207 Modoc Parker Creek. 1584 Comment
  CAS-BOT-BC242359  Carex pellita Annie Montague Alexander; L. Kellogg 1946-7-7 4931 Modoc Eight Mile Creek. Comment
  RSA180150  Carex petasata Clare B. Hardham 1961-6-17 7808 Modoc North Fork of the Pitt River, 3.3 miles S of junction of 395 and 8A Comment
  CAS-BOT-BC118322  Carex praegracilis E. K. Balls 1950-5-11 14618 Modoc 8 miles north of Lake City, west shore of Upper Lake. 1402 Comment
  HSC97777  Carex praegracilis Juha Pykala, D. H. Norris 1987-5-27 1024 Modoc Modoc National Forest, Rush Creek, between Lower and Upper Rush Creek Campgrounds 1463 Comment
  UC1024317  Carex praegracilis Annie M. Alexander and Louise Kellogg 1946-6-14 4761 Modoc branch to Silver Creek (Patterson Mill Rd.) 1828 Comment
  HSC7151  Carex rostrata M. T. Milligan 1966-6-30 505 Modoc Slopes and ridges E of Jess Valley 1768 Comment
  CDA13468  Carex sheldonii G. F. Hrusa, T. D. Wilfred 1996-7-21 13315 Modoc Modoc Plateau; Pit River overflow channel at Modoc Co. Rd. 90 bridge. E base of Splawn Mtn. N end of Big Valley. Comment
  UC1100576  Carex simulata Verne Grant, Irving Schneider 1947-8-28 8338 Modoc nw Alturas; Jack Swamp Comment
  CAS-BOT-BC245148  Carex subfusca Alice Eastwood; John Thomas Howell 1940-6-13 8180 Modoc E side of Cedar Pass. Comment
  CAS-BOT-BC245149  Carex subfusca Annie Montague Alexander; L. Kellogg 1946-6-14 4760 Modoc Patterson Mill Road, branch road to Silver Creek. Comment
  RSA577570  Carex utriculata L. C. Wheeler 1935-8-16 3872 Modoc Dismal Swamp, Twenty Mile Creek. Warner Mountains. Mt. Diablo Mer 2226 Comment
  UC190414  Carex vesicaria M. S. Baker and Frank Nutting 1894-6-13 Modoc near Egg Lake Comment
  CAS-BOT-BC225995  Castilleja applegatei John Thomas Howell 1934-6-13 12049 Modoc Fandango Pass, Warner Mountains 1828 Comment
  CAS-BOT-BC225975  Castilleja applegatei subsp. pinetorum Elmer Ivan Applegate 1932-7-31 7950 Modoc Mill Creek Meadows, W slope of Warner Mts. Comment
  CAS-BOT-BC225976  Castilleja applegatei subsp. pinetorum Elmer Ivan Applegate 1932-7-31 7950 Modoc Mill Creek Meadows, W slope of Warner Mts. Comment
  CAS-BOT-BC225988  Castilleja applegatei subsp. pinetorum Mrs. H. C. Cantelow 1940-6-1 4368 Modoc Cedar Pass, Warner Mountains 1935 Comment
  CAS-BOT-BC225989  Castilleja applegatei subsp. pinetorum Mrs. H. C. Cantelow 1935-6-8 972 Modoc NE of Bieber. Comment
  CAS-BOT-BC225992  Castilleja applegatei subsp. pinetorum Alice Eastwood; John Thomas Howell 1940-6-12 8086 Modoc Jess Valley. Comment
  CAS-BOT-BC229817  Castilleja applegatei subsp. pinetorum M. M. Hanna 1956-6-7 1008 Modoc Hwy 139 between Canby and Tienesta. Comment
  JEPS3815  Castilleja applegatei subsp. pinetorum Annie M. Alexander and Louise Kellogg 1946-6-18 4797 Modoc Patterson Mill-- Silver Creek roads 1828 Comment
  JEPS86308  Castilleja applegatei subsp. pinetorum Jack and Betty Guggolz 1988-7-5 982 Modoc Comment
  RSA164352  Castilleja applegatei subsp. pinetorum Clare B. Hardham 1961-6-18 7810 Modoc Mountains south of Cedar Pass. Comment
  RSA185375  Castilleja applegatei subsp. pinetorum Clare B. Hardham 1961-6-18 7595 Modoc Warner Mountains, Davis Creek. 2134 Comment
  UC71632  Castilleja applegatei subsp. pinetorum Mrs. M. H. Manning 1902-10-11 43 Modoc Warner Mts Warner Mts. (ne Modoc County) Comment
  UCSB19309  Castilleja applegatei subsp. pinetorum Haller, John 1962-6-7 Modoc Little Meadows campground, South Fork of the Pit River, 8 miles east of Likely, 1.5 miles west of the western end of Jess Valley, Warner Mountains 1524 Comment
  CAS-BOT-BC225972  Castilleja applegatei var. pinetorum M. M. Hanna 1956-6-7 1009 Modoc Hwy 139 between Canby and Tienesta. Comment
  CAS-BOT-BC226018  Castilleja chromosa Bruce Bartholomew; Barrett Anderson 1989-4-29 4677 Modoc 6.4 km E of Fort Bidwell on road to Fee Reservoir, NE corner of Surprise Valley. 1460 Comment
  CAS-BOT-BC226028  Castilleja lacera Bruce Bartholomew; Barrett Anderson 1989-6-3 4911 Modoc ca. 6 km NW of Egg Lake and ca. 0.8 km E of Service Flat Gulch. 1370 Comment
  JEPS3990  Castilleja lacera Frances D. Payne 1932-6-6 417 Modoc s and e of Alturas; Warner Mountains, Parker Creek 1584 Comment
  UC199383  Castilleja linariifolia Milo S. Baker 1898-8-1 528 Modoc near Johnson's; Big Valley Comment
  HSC80798  Castilleja miniata G. M. Riegel 1980-7-9 857 Modoc S Warner Mtns. 2100 Comment
  UC1191864  Castilleja minor subsp. minor Herbert L. Mason 1947-8-11 13493 Modoc w margin Lower Lake (on Highway 81, near boundary between Lassen and Modoc Counties) Comment
  CAS-BOT-BC226063  Castilleja pilosa Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-13 6537 Modoc Just W of Mud Lake on road to West Valley Reservoir. 1460 Comment
  CHSC117766  Castilleja pilosa L. P. Janeway 2016-5-17 12027 Modoc Modoc Plateau. Devils Garden area; along Road 43N18 just east of Porcupine Rim; about 4.0 air-km west of Big Sage Reservoir. 1555 Comment
  UC1228137  Castilleja pilosa Beecher Crampton 1960-6-17 5699 Modoc 13 mi w Canby (McKay Flat); McKay Flat 1280 Comment
  UC1540226  Castilleja pilosa Dean Wm. Taylor and Glenn L. Clifton 1987-6-27 9110 Modoc headwaters of upper South Deep Creek; Warner Mountains 2194 Comment
  UCD123042  Castilleja pilosa R. E. Preston 2000-6-2 1362 Modoc Modoc Plateau, along Hwy 139, ca. 2.5 mi e of Forest Service Road 44N11. 1493 Comment
  UC190604  Castilleja pilosa M. F. Gilman 561 Modoc 1981 Comment
  UC1520657  Castilleja tenuis Noel H. Holmgren and Patricia K. Holmgren 1980-7-1 9455 Modoc 13 air mi wnw Canby (Calif Hwy 139, 14.2 mi wnw Calif Hwy 139 junction with U.S. Hwy 299) 1463 Comment
  CAS-BOT-BC32730  Ceanothus X flexilis Milo Samuel Baker 1893-6-30 s.n. Modoc unspecified 1371 Comment
  CAS-BOT-BC217137  Ceanothus cuneatus var. cuneatus Leland S. Smith 1924-6-5 1370 Modoc Dutch Flat. Comment
  UC18271  Ceanothus cuneatus var. cuneatus Milo S. Baker 1893-7-1 Modoc 1371 Comment
  CAS-BOT-BC217105  Ceanothus prostratus Alice Eastwood; John Thomas Howell 1940-6-13 8130 Modoc Near Davis Creek. Comment
  CAS-BOT-BC217147  Ceanothus prostratus Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-14 16490 Modoc NW flank of Buck's Mt., on road to Sugar Hill lookout. Comment
  JEPS86139  Ceanothus prostratus Wayne Roderick 1966-6-24 Modoc summit Fandango Pass Comment
  CAS-BOT-BC217112  Ceanothus prostratus var. prostratus Bruce Bartholomew; Barrett Anderson 1989-4-30 4716 Modoc Along Ralston Gulch, 2.4 km S of Caldwell Road (Co. road 54). 1450 Comment
  CAS-BOT-BC217115  Ceanothus velutinus John Thomas Howell 1934-6-13 12059 Modoc Fandango Pass. 1828 Comment
  CAS-BOT-BC217122  Ceanothus velutinus Annie Montague Alexander; L. Kellogg 1946-6-28 4860 Modoc Pine Creek Canyon, N end of Warner Mts. 2011 Comment
  CAS-BOT-BC217125  Ceanothus velutinus Belknap C. Goldsmith 1911-9-17 39 Modoc Fandango Creek. W slope Warner Mts. 1615 Comment
  CHSC106187  Centaurea cyanus Lowell Ahart; John Dittes 2010-8-31 17100 Modoc On the west side of Elkins Lane, about 100 yards north of the bridge across Ash Creek, Ash Creek State Wildlife Area, 4215 feet north of Lassen County Line, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  CHSC112755  Centaurea cyanus Lowell Ahart; John Dittes 2013-7-24 18937 Modoc South bank of Ash Creek Canal, south of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. 1268 Comment
  NY532331  Centaurea diffusa G. Schoolcraft 1985-6-17 Modoc NW of Lookout 1264.9 Comment
  UCD130121  Centaurea virgata subsp. squarrosa T. C. Fuller 1962-8-29 9487 Modoc road to Adin, 0.2 mile east of Lookout, Big Valley. Comment
  JEPS117314  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
  UC1101323  Ceratophyllum demersum Verne Grant and Irving Schneider 1947-7-20 8097 Modoc North Fork of Pit River by Dorris Bridge (Alturas); North Fork of Pit River Comment
  UC1101388  Ceratophyllum demersum Verne Grant and Irving Schneider 1947-7-22 8133 Modoc North Fork of Pit River by confluence with Gleason Creek on Highway 395 n Alturas; North Fork of Pit River by confluence w/ Gleason Creek Comment
  UC415484  Cercocarpus betuloides var. macrourus Milo S. Baker 1893-6 Modoc Modoc Co. Comment
  RSA101382  Cercocarpus ledifolius R. Weatherby 1955-7-8 1632 Modoc 5 miles N of Ft. Bidwell, Northern Warner Mts. 1646 Comment
  CHSC109890  Cercocarpus ledifolius var. intermontanus B. Castro; L. P. Janeway 2012-7-25 1963 Modoc Warner Mountains. Along Twelve Mile Creek ca 3.5 air mi ESE of Dismal Swamp and 1.8 air mi NE of Mount Bidwell. 2218 Comment
  NY848750  Cercocarpus ledifolius var. intermontanus B. Anderson 1986-7-10 3194 Modoc Warner Mountains. West Warner road north of the North Fork of Pine Creek 1965 Comment
  NY848758  Cercocarpus ledifolius var. intermontanus M. S. Baker 1893-6-20 s.n. Modoc Lava Beds Comment
  CAS-BOT-BC197537  Cercocarpus ledifolius var. ledifolius Bruce Bartholomew; Barrett Anderson 1989-4-29 4691 Modoc Surprise Valley Road, just S of the Oregon border, extreme NE corner of Modoc County. 1630 Comment
  CAS-BOT-BC214642  Cercocarpus ledifolius var. ledifolius John Thomas Howell 1934-6-12 12009 Modoc Between Davis Creek and Plum Valley. Comment
  CAS-BOT-BC214646  Cercocarpus ledifolius var. ledifolius John Thomas Howell 1934-6-11 11966 Modoc Parker Creek, Warner Mts. 1584 Comment
  CAS-BOT-BC248320  Cercocarpus ledifolius var. ledifolius B. Bartholomew; H. Sun 2002-6-24 8866 Modoc Fandango Pass on the E side of the Warner Mountains near the crest of the mountains 1820 Comment
  CAS-BOT-BC15054  Chaenactis douglasii var. douglasii Gordon H. True 1964-6-3 1447 Modoc Surprise Valley, about 5 mi. S of Cedarville. 1463 Comment
  CAS-BOT-BC15057  Chaenactis douglasii var. douglasii A. A. Heller 1938-6-24 15221 Modoc Between Alturas and Canby Comment
  CAS-BOT-BC15059  Chaenactis douglasii var. douglasii Annie Montague Alexander; L. Kellogg 1946-6-10 4722 Modoc Lava bench between Lower and Snake lakes. Comment
  POM253146  Chaenactis douglasii var. douglasii A. A. Heller 1938-6-24 15221 Modoc U.S. Highway #299, between Alturas and Canby. 1341 Comment
  CAS-BOT-BC245415  Chamaesaracha nana Bruce Bartholomew 1991-7-6 5994 Modoc Webb Flat, 5.6 km S of turn off to Happy Camp Ranger Station. Area burned within the last year. 1400 Comment
  HSC80796  Chamaesaracha nana G. M. Riegel 1980-7-3 823 Modoc S Warner Mtns. 2100 Comment
  JEPS15471  Chamaesaracha nana Joseph and Hilda W. Grinnell 1938-6-16 1107 a Modoc 100 ft below Cedar Pass summit; Warner Mountains 1935 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-BC95526  Chenopodium hians Alice Eastwood; John Thomas Howell 1940-6-13 8173 Modoc Near Cedarville. Comment
  NY537268  Chenopodium pumilio L. C. Wheeler 1935-8-3 3758 Modoc Rock Lake, Pine Creek, Warner Mountains 1920.2 Comment
  CAS-BOT-BC95666  Chimaphila umbellata Annie Montague Alexander; L. Kellogg 1946-8-8 5118 Modoc Deep Creek Canyon. Comment
  UC748232  Chimaphila umbellata Annie M. Alexander and Louise Kellogg 1946-9-8 5118 Modoc Deep Creek Canyon Warner Mts., Deep Creek Canyon Comment
  CDA36068  Chorispora tenella C. Pirosko 2002-6-14 s.n. Modoc Jones Lane. 0 Comment
  POM260897  Chorizanthe polygonoides var. polygonoides Alice Eastwood, John T. Howell 1940-6-15 8300 Modoc 5 miles N of Lookout Comment
  CAS-BOT-BC15033  Chrysothamnus humilis John Thomas Howell 1934-7-1 12348 B Modoc Duncan Horse Camp. 1355 Comment
  UCR64883  Chrysothamnus nauseosus George K. Helmkamp 1990-9-23 H- 3 Modoc US Hwy 395, 13 mi north of Likely 1345 Comment
  CAS-BOT-BC15001  Chrysothamnus nauseosus subsp. albicaulis Elmer Ivan Applegate 1936-9-22 11058 A Modoc Fleeners Chimneys, Lava Beds National Monument. Comment
  CAS-BOT-BC15039  Chrysothamnus nauseosus subsp. albicaulis Loran C. Anderson 1958-8-24 1615 Modoc Cedar Pass Campground, 8 mi. W of Cedarville. Comment
  RSA540062  Chrysothamnus nauseosus subsp. albicaulis Bruce Bartholomew, B. Anderson 1990-7-20 5457 Modoc Margin of Goose Lake at S end of the causeway to McGinty Point. 1440 Comment
  CAS-BOT-BC15037  Chrysothamnus nauseosus subsp. consimilis Isabelo T. Kelly 1930-1-1 56 Modoc Fort Bidwell. 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
  CHSC109510  Chrysothamnus viscidiflorus subsp. viscidiflorus L. P. Janeway; B. Castro 2012-7-25 10997 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
  HSC42456  Chrysothamnus viscidiflorus subsp. viscidiflorus Barbara Kelly 1977-8-9 555 Modoc Ash Creek Campground near a campsite Comment
  JEPS15742  Cicuta maculata var. angustifolia W. L. Jepson 1918-8-9 7921 Modoc Fort Bidwell 1432 Comment
  CHSC116088  Cirsium Lowell Ahart; John Dittes 2015-7-15 20341 Modoc About 300 yards northeast of the old barn, on the north side of the overgrown road, Ash Creek State Wildlife Area, about 3.9 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  CDA1060  Cirsium arvense T. C. Fuller 1959-7-8 2746 -A Modoc Grainfield, 1.5 mi. South of Tulelake. 0 Comment
  CDA1064  Cirsium arvense T. C. Fuller 1961-5-16 6954 -B Modoc 1.5 mi. s.e. of Tulelake; edge of grainfield, Hwy 139. 0 Comment
  CAS-BOT-BC14958  Cirsium cymosum R. M. Austin; C. C. (Mrs.) Bruce 1898-6-1 165 Modoc Goose Lake. Comment
  CAS-BOT-BC14965  Cirsium cymosum Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16379 Modoc Junction of Cedar Pass Road & CA State Hwy. 299, 5.5 mi. N of Alturas Comment
  UCD144215  Cirsium cymosum Baldo Villegas 1998-8-19 s.n. Modoc near New Pine Creek, 3.6 miles east of Fandango Pass on Highway 395. Comment
  CDA36038  Cirsium cymosum CDFA Staff Jul 1985 Modoc Alturas. 0 Comment
  CDA1195  Cirsium douglasii var. breweri G. D. Barbe, T. C. Fuller 1979-8-21 2545 Modoc 5.6 km S of Fort Bidwell; W side of County Hwy 1, 3.2 km N of Fandango Pass Rd. Comment
  UC30791  Cirsium occidentale var. candidissimum Mrs. R. M. Austin 1884-1-1 Modoc hills near Davis Creek Comment
  UC71694  Cirsium scariosum var. americanum Mrs. M. H. Manning 1903-6-1 261 Modoc near Fort Bidwell (Upper Alkali Lake, ne Modoc County) Comment
  CDA20228  Cirsium undulatum G. Deal 2003-9-9 PDR 1151623 Modoc Modoc Plateau; Vicinity of Alturas. 0 Comment
  UC20340  Clarkia gracilis Milo S. Baker 1893-6-20 Modoc Comment
  CAS-BOT-BC172039  Clarkia gracilis subsp. gracilis John Thomas Howell 1934-6-30 12277 Modoc Duncan Horse Camp Comment
  CAS-BOT-BC191070  Clarkia gracilis subsp. gracilis Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16384 Modoc Rocky clay mesa 5 mi. E of Calif. St. Highway 299 along Cedar Pass road Comment
  CHSC31494  Claytonia lanceolata N. E. H. Prouty 1980-6-2 173 Modoc Modoc Nat. Forest, Warner Mt. District. Sheep Rock T.S. North facing slope rising above Dry Creek and Upper Dry Creek Road. Comment
  RSA0080491  Claytonia lanceolata A. M. Alexander, Louise Kellogg 1946-6-15 4773 Modoc In fir forest and higher up in aspen grove. Deep Creek. 2134 Comment
  UC7861  Claytonia lanceolata Milo S. Baker 1893-6-12 4500 A Modoc Comment
  JEPS43365  Claytonia megarhiza W. L. Jepson 1918-8-13 7976 Modoc Eagle Peak summit Eagle Peak; Warner Mts. 3017 Comment
  UC1573168  Claytonia megarhiza Dean Wm. Taylor with Glenn L. Clifton 1989-8-5 10435 Modoc e-face Emerson Peak (Emerson Creek drainage); Warner Mountains, , Emerson Creek 2560 Comment
  POM161477  Claytonia rubra Franklin P. Nutting 1894-6-16 s.n. Modoc Pine woods near Forestdale Comment
  CAS-BOT-BC197466  Claytonia rubra subsp. rubra John Thomas Howell 1934-6-13 12078 Modoc Fandango Pass. 1828 Comment
  UC13644  Claytonia umbellata Milo S. Baker 1893-1 Modoc Comment
  CAS-BOT-BC226087  Collinsia parviflora John Thomas Howell 1934-6-13 12055 Modoc Fandango Pass. 1828 Comment
  CAS-BOT-BC226100  Collinsia parviflora Frank Warrington Peirson 1926-6-25 6891 Modoc Small canyon 1 mi. E of summit of Cedar Pass, Cedar Road, Warner Mountains Comment
  SBBG28887  Collinsia parviflora J. T. Howell 1934-6-14 12135 Modoc near Lost Lake 2438 Comment
  UC26633  Collinsia parviflora Mrs. R. M. Austin Apr 1894 Modoc Davis Creek Comment
  CAS-BOT-BC229872  Collinsia torreyi Bruce Bartholomew 1993-6-12 6596 Modoc Above the road to Day Rock from Little Hot Spring Valley. 1260 Comment
  UC26672  Collinsia torreyi var. torreyi Milo S. Baker 1893-8-10 Modoc Modoc County Comment
  UC748142  Collinsia torreyi var. wrightii Annie M. Alexander and Louise Kellogg 1946-7-19 5035 Modoc near Benton Meadow (Warner Mountains); Warner Mountains 2072 Comment
  CAS-BOT-BC190734  Collomia grandiflora Bruce Bartholomew; Barrett Anderson 1989-6-2 4805 Modoc 6.4 km E of Fort Bidwell on road to Fee Reservoir, NE corner of Surprise Valley. 1460 Comment
  HSC80886  Collomia grandiflora G. M. Riegel 1980-7-14 Modoc S Warner Mtns. 1670 Comment
  JEPS70992  Collomia grandiflora W. L. Jepson 1918-8-6 7842 Modoc Surprise Valley 1447 Comment
  UC71714  Collomia grandiflora Mrs. M. H. Manning 1903-10-11 35 Modoc ne Modoc County Warner Range 1828 Comment
  CAS-BOT-BC190721  Collomia linearis Leland S. Smith 1918-7-15 1000 Modoc Mill Creek Corral pasture. 2087 Comment
  CAS-BOT-BC190723  Collomia linearis Elmer Ivan Applegate 1932-8-3 8106 Modoc Mill Creek Meadow, W slope of Warner Mts. Comment
  HSC16931  Collomia linearis M. T. Milligan 1966-7-3 527 Modoc Slopes and ridges E of Jess Valley 1829 Comment
  UCSB29034  Collomia linearis Hardham, Clare 1961-6-18 Modoc Cedar Pass Camp Ground Comment
  CAS-BOT-BC190711  Collomia tinctoria Bruce Bartholomew 1991-7-6 5996 Modoc Webb Flat, 5.6 km S of turn off to Happy Camp Ranger Station. Area burned within the last year. 1400 Comment
  CAS-BOT-BC190713  Collomia tinctoria Betty J. Hammerly 1941-6-20 41 Modoc Clear Lake public camp. 1767 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
  UC1587087  Collomia tinctoria G. Schoolcraft 1991-6-19 2167 Modoc steep slope about 2 mi w Canby 1432 Comment
  CAS-BOT-BC21480  Conium maculatum Bruce Bartholomew 1990-6-17 5286 Modoc Surprise Valley, SW side of Lower Alkali Lake, 3.2 km N of Lassen County border. 1370 Comment
  CAS-BOT-BC21481  Conium maculatum Bruce Bartholomew 1990-6-17 5286 Modoc Surprise Valley, SW side of Lower Alkali Lake, 3.2 km N of Lassen County border. 1370 Comment
  CAS-BOT-BC21482  Conium maculatum Bruce Bartholomew 1991-7-6 5960 Modoc Ash Creek Bird Santuary, 0.2 km N of Lassen County line on Modoc County Road 87A. 1260 Comment
  CHSC105975  Conium maculatum Lowell Ahart; John Dittes 2010-8-30 17066 Modoc On the sides of a small wash, about 10 yards east of the fence, south edge of the meadow, Ash Creek State Wildlife Area, 2300 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  HSC6958  Conringia orientalis M. T. Milligan 1964-6-20 64 Modoc 3 mi. N on Pencil Rd. from Hwy. 395 1372 Comment
  UCR57488  Conyza canadensis R. D. Goeden, Don W. Ricker 1989-8-23 890823- 17 Modoc Warner Mtns., Modoc National Forest, near east end of Fandango Pass Rd. 1585 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-BC229876  Cordylanthus capitatus Alice Eastwood; John Thomas Howell 1940-6-13 8145 Modoc Fandango Pass. 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
  SEINET4676080  Cordylanthus capitatus L. R. Heckard, Peter Rubtzoff 1971-8-3 2705 Modoc At summit of Old Cannon Mill road, 3.5 miles north of Cedarville Pass, Warner Mts.; 0 1981 Comment
  CAS-BOT-BC95598  Cornus sericea L. A. M. Black 1893-6-1 94 Modoc Davis Creek. Comment
  CAS-BOT-BC95600  Cornus sericea Roxana Stinchfield Ferris; R. Duthie 1919-6-14 54 Modoc Parker Creek above the National Forest Boundary. Comment
  CAS-BOT-BC95601  Cornus sericea M. M. Hanna 1956-6-5 978 Modoc Cedar Pass. Comment
  CAS-BOT-BC95602  Cornus sericea R. M. Austin 1895-7-1 503 Modoc Davis Creek. Comment
  HSC65599  Cornus sericea subsp. sericea Thomas Wood 1979-8-9 233 Modoc Dirt road along Bidwell Creek, 2.7 mi. NW of Jct. with Hwy. 2, N of Fort Bidwell. 1509 Comment
  UC412930  Cornus sericea subsp. sericea W. P. Taylor and H. C. Bryant 1910-6-25 Modoc Parker Creek Warner Mts., Parker Creek 1676 Comment
  POM337580  Cornus stolonifera F. R. Fosberg 1957-8-18 38848 Modoc Upper Rush Creek Camp Ground, northeast of Adin. 1600 Comment
  CAS-BOT-BC190768  Corydalis aurea R. M. Austin 1885-6-1 s.n. Modoc Hill slopes, Pitt River. Comment
  JEPS120515  Crepis acuminata L. P. Janeway, B. Castro 2012-7-25 10992 Modoc Warner Mountains. Low broad dridge 1.1 km east of Dismal Swamp. Comment
  POM253180  Crepis acuminata A. A. Heller 1938-6-24 15220 Modoc Grassy hillside between Alturas and Canby on U. S. Highway 299 1341 Comment
  SEINET2142728 Image available Crepis acuminata A. A. Heller 1938-6-24 15220 Modoc Between Alturas and Canby along U.S. Highway 299. Comment
  SJSU9607  Crepis acuminata W. Savage 1979-7-7 1466 Modoc Triangle, Devils Garden District, Modoc National Forest 1493 Comment
  CAS-BOT-BC14876  Crepis bakeri Bruce Bartholomew 1992-5-16 6316 Modoc 1.6 km S of Davis Creek on U.S. Highway 395. 1440 Comment
  CAS-BOT-BC14922  Crepis bakeri Bruce Bartholomew 1991-6-21 5794 Modoc 1.6 km S of Davis Creek on U.S. Hwy 395. 1450 Comment
  JEPS36498  Crepis bakeri M. S. Baker and Frank Nutting 1894-6-8 Modoc near Egg Lake Comment
  SJSU8812  Crepis bakeri H. L. Buckalew 1961-6-25 Modoc near Stowe Reservoir c. 1 mi N of Cedar Pass on Cedar-Alturas Road 2072 Comment
  CHSC118085  Crepis bakeri subsp. bakeri L. P. Janeway 2016-5-17 12012 Modoc Modoc Plateau. Devils Garden area; flat just below (west of) Por-cupine Rim; 0.3 km north of Road 43N18; 4.0 air-km west of Big Sage Reservoir. 1544 Comment
  JEPS36446  Crepis intermedia Frances D. Payne 1931-6-11 150 a Modoc Parker Creek Warner Mts. 1584 Comment
  UC540832  Crepis intermedia David D. Keck and J. Clausen 1935-6-24 3721 Modoc 3 mi n Davis Creek 1525 Comment
  UC31331  Crepis modocensis Mrs. C. C. Bruce June 1898 2164 Modoc Lake City Mountain Comment
  JEPS6011  Crepis occidentalis Frances D. Payne 1932-6-26 611 Modoc high ridges n Parker Creek (s and e of Alturas); Warner Mountains 1828 Comment
  CAS-BOT-BC14896  Crepis occidentalis subsp. costata Isabelo T. Kelly 1930-1-1 42 Modoc E slope of Warner Mts., near Ft. Bidwell. Comment
  CAS-BOT-BC14916  Crepis occidentalis subsp. occidentalis George Ledyard Stebbins; J. A. Jenkins 1937-7-15 2367 Modoc Center of Round Valley. 1066 Comment
  CAS-BOT-BC14851  Crepis occidentalis subsp. pumila John Thomas Howell 1934-7-1 12333 Modoc Duncan Horse Camp. 1355 Comment
  CAS-BOT-BC14852  Crepis occidentalis subsp. pumila John Thomas Howell 1934-6-11 11916 Modoc Parker Creek, Warner Mountains 1584 Comment
  RSA152698  Crepis occidentalis subsp. pumila I. L. Wiggins, Dorothy Wiggins 1961-6-12 16388 Modoc Rocky clay mesa 5 mi. east of California State Highway 299, along Cedar Pass Rd. Comment
  CAS-BOT-BC14830  Crocidium multicaule A. Cronquist 1963-5-14 9855 Modoc Near Cedar Pass, between Cedarville and Alturas, 9 miles from Alturas 1493 Comment
  SEINET10617304  Crocidium multicaule LeRoy E. Detling 1948-5-24 Detling 6256 Modoc North Fork Pit River. 1463 Comment
  NY389200  Crupina vulgaris B. M. Bartholomew 1990-6-15 5212 Modoc Kelly Spring, 5.5 km SSE of Hwy 299 on road from Rush Creek Comment
  CHSC100390  Crypsis alopecuroides Lowell Ahart; John Dittes 2008-8-26 15352 Modoc On the bottom of Rose Creek, 550 feet southwest of confluence of Rose Creek and Pit River, on the northwest side of unnamed road,, 2860 feet east of intersection with County Road 85a, 9.3 miles (air) north-northeast of Lookout. 1276 Comment
  JEPS90284  Cryptantha ambigua Dean Wm. Taylor with Glenn L. Clifton 1989-8-4 10522 Modoc on road to Emerson Camp from Surprise Valley (Warner Mountains, Cole Creek, Emerson Creek drainage); Warner Mountains, Cole Creek 1554 Comment
  UC1478048  Cryptantha celosioides Gregg Riegel 1980-7-15 896 Modoc 0.5 mi n Cottonwood Creek (and .12 mi w of headwaters of Little Jackson Canyon Creek); Modoc National Forest 1920 Comment
  CAS-BOT-BC54105  Cryptantha intermedia Alice Eastwood; John Thomas Howell 1940-6-13 8157 Modoc E side of Fandango Pass. Comment
  CAS-BOT-BC54110  Cryptantha intermedia C. C. (Mrs.) Bruce 1893-6-1 84 Modoc Davis Creek. Comment
  CAS-BOT-BC54148  Cryptantha intermedia Mrs. Annie F. Rodda 1932-7-1 s.n. Modoc between Alturas and Macarthur Comment
  CAS-BOT-BC54111  Cryptantha simulans John Thomas Howell 1934-6-11 11982 Modoc Parker Creek, Warner Mountains 1584 Comment
  CAS-BOT-BC54112  Cryptantha simulans Alice Eastwood; John Thomas Howell 1940-6-14 8236 Modoc Near Hackamore. Comment
  SDSU20234  Cryptantha subretusa Ronald B. Kelley 2005-7-26 934 Modoc In Warner Mountains on both sides of Summit Trail just south of Pepperdine camp area. 2163 Comment
  UC705774  Cryptantha subretusa Marion Ownbey, Fred G. Meyer 1940-7-1 2134 Modoc Cedar Pass Warner Mts. Comment
  HSC80940  Cryptantha torreyana G. M. Riegel 1979-7-18 509 Modoc S Warner Mtns. 2100 Comment
  CHSC109508  Cryptantha torreyana var. torreyana L. P. Janeway; B. Castro 2012-7-25 10993 Modoc Warner Mountains. Low broad ridge 1.1 km east of Dismal Swamp. 2250 Comment
  UC1523741  Cupressus bakeri Gary Schoolcraft 1981-9-1 573 Modoc w of; Day 1066 Comment
  JEPS39745  Cupressus bakeri P. Lorenzen Nov. 1903 Modoc near Day Comment
  CAS-BOT-BC242182  Cypripedium montanum K. Paulson; Robert Paulson 1988-6-19 46 Modoc Field redacted by CAS, contact the data manager for more information 1554 Comment
  CAS-BOT-BC30210  Cystopteris fragilis Roxana Stinchfield Ferris; R. Duthie 1919-6-14 95 Modoc Above Parker Creek. 1981 Comment
  CAS-BOT-BC30211  Cystopteris fragilis Annie Montague Alexander; L. Kellogg 1946-7-23 5059 Modoc Emerson Peak, Warner Mts. Comment
  CAS-BOT-BC30212  Cystopteris fragilis Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16422 Modoc Near summit of Cedar Pass, between Alturas and Cedarville. 1958 Comment
  CAS-BOT-BC245214  Damasonium californicum John Thomas Howell 1934-6-15 12184 Modoc Alturas. Comment
  JEPS32208  Damasonium californicum Milo S. Baker 1893-7-25 Modoc Egg Lake Comment
  POM182452  Damasonium californicum Milo S. Baker s.n. Modoc Egg Lake Comment
  UC1536803  Damasonium californicum Gordon H. True Jr. 1939-6-6 1013 Modoc Gooch Swamp near Lookout; Gooch Swamp Comment
  JEPS68526  Danthonia californica Leland S. Smith 1918-1 850 Modoc Comment
  SBBG524  Danthonia unispicata A. A. Beetle 1941-6-29 2884 Modoc near summit of Mt Adin 1828 Comment
  CAS-BOT-BC214753  Dasiphora fruticosa K. Paulson; Robert Paulson 1990-7-2 212 Modoc Dismal Swamp, 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
  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
  RSA400094  Delphinium andersonii R. M. Austin 1894-06 s.n. Modoc Willow Creek Valley Comment
Read comments
Jul 11 2010
  JEPS43417  Delphinium depauperatum L. S. Smith 1917-6-2 783 Modoc Parsnip Creek, S. Warner Mts. 1524 Comment
  CAS-BOT-BC217304  Delphinium nudicaule Bruce Bartholomew 1994-5-14 6684 Modoc Near Day Rock. 1280 Comment
  CAS-BOT-BC217314  Delphinium nuttallianum Bruce Bartholomew; M; M. Gilbert; L. E. Skog 1993-5-11 6504 Modoc Fletcher Creek near crossing by Crowder Flat Road. 1600 Comment
  CAS-BOT-BC217333  Delphinium nuttallianum Francis Dorris Payne 1932-5-27 403 Modoc Parker Creek. 1584 Comment
  CHSC85135  Delphinium nuttallianum John Dittes; Josephine Guardino 1991-6-1 351 Modoc Modoc Plateau; Big Valley; Ash Creek Wildlife Area; ca. 7.7 air-miles northeast of Bieber, ca. 4.0 air-miles west by southwest of Adin, ca. 5.0 air-mile east by southeast of Pilot Butte summit, ca. 0.6 mile east of Walters Road and Owl Barn; meadow at southern edge of Ash Creek Floodplain. 1271 Comment
  HSC25017  Delphinium nuttallianum M. T. Milligan 1964-6-17 42 Modoc 1 mi. N of Hwy. 139 on FS Rd. 44N15 1524 Comment
  CAS-BOT-BC217324  Delphinium nuttallianum L. A. M. Black 1893-6-1 87 Modoc Lassen Creek. 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
  JEPS90888  Delphinium stachydeum Dean Wm. Taylor with Glenn L. Clifton 1989-8-5 10478 Modoc N Emerson Lake cirque, Warner Mountains Emerson Lake; Warner Mountains 2392 Comment
  HSC13433  Deschampsia cespitosa M. T. Milligan 1966-8-3 630 Modoc W slope of Eagle Peak 2439 Comment
  CAS-BOT-BC242477  Deschampsia danthonioides Alan Ackerman Beetle 1941-6-29 2838 Modoc S slope of Mt. Adin. Comment
  JEPS73979  Deschampsia danthonioides Frances D. Payne 1932-6-24 650 Modoc s. and e. of Alturas (Parker Creek); Warner Mts., Parker Creek 1584 Comment
  RSA504639  Deschampsia danthonioides Bruce Bartholomew, B. Anderson 1988-6-23 4251 Modoc 4.2 km NW of Day. 1020 Comment
  UCR163270  Deschampsia danthonioides Jim Andre 1993-7-2 1420 Modoc Modoc Plateau, about 13 miles NW of Canby on Tuscorora Pipeline right-of-way, off Hwy 139 1463 Comment
  JEPS68507  Deschampsia elongata Leland S. Smith 1917-7-29 885 Modoc Bog below Bald Mountain 2133 Comment
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Mar 23 2016
  CAS-BOT-BC58610  Descurainia pinnata subsp. brachycarpa John Thomas Howell 1934-6-13 12065 A Modoc Fandango Pass, Warner Mts. 1828 Comment
  CAS-BOT-BC58611  Descurainia pinnata subsp. brachycarpa Bruce Bartholomew; M. Gilbert; L. Skog 1993-5-10 6445 A Modoc At the Nevada border directly E of Eagleville, E side of Surprise Valley. 1520 Comment
  CAS-BOT-BC58612  Descurainia pinnata subsp. brachycarpa John Thomas Howell 1934-6-30 12290 Modoc Duncan Horse Camp. 1355 Comment
  CHSC85190  Descurainia sophia John Dittes; Josephine Guardino 1991-6-1 344 Modoc Modoc Plateau; Big Valley; Ash Creek Wildlife Area; ca. 7.7 air-miles northeast of Bieber, ca. 4.0 air-miles west by southwest of Adin, ca. 5.0 air-mile east by southeast of Pilot Butte summit, ca. 0.6 mile east of Walters Road and Owl Barn; meadow at southern edge of Ash Creek Floodplain. 1271 Comment
  JEPS14814  Descurainia sophia W. P. Taylor and H. C. Bryant 1910-6-11 Modoc Alturas Warner Mountains, South Fork of Pit River (South Fork of Pit River) 1402 Comment
  HSC26591  Dichelostemma multiflorum D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19437 Modoc Upper Rush Creek Campground, about 8 mi. N of Adin on Hwy. 299 Comment
  CAS-BOT-BC501064  Dichelostemma multiflorum L. S. Smith 1926-6-7 1889 Modoc Near Lake City, Tahoe Forest 1097 Comment
  CAS-BOT-BC502682  Dichelostemma multiflorum Mrs. A. H. Rodda 1932-7-1 s. n. Modoc Near Macarthur Comment
  JEPS79131  Dichelostemma multiflorum L. R. Heckard with R. Bacigalupi 1980-6-10 5234 Modoc about 10 mi nw Lookout (along the Great Northern Railroad grade); Great Northern Railroad Grade Comment
  SEINET7839014 Image available Dieteria canescens Mrs. M. H. Maning 1904-1 s.n. Modoc Alturas, North-eastern Modoc County Comment
  CAS-BOT-BC14846  Dimeresia howellii Dean William Taylor; G. L. Clifton 1987-6-27 9108 Modoc Warner Mts., ca. 1.5 mi. E of Cedar Pass on Hwy 299. 1615 Comment
  CAS-BOT-BC229908  Diplacus cusickioides E. S. Willits 1939-10-10 157 Modoc Surprise Valley. Comment
  CAS-BOT-BC234483  Diplacus nanus James T. Vale 1978-7-18 s.n. Modoc Payne Springs Comment
  CAS-BOT-BC234490  Diplacus nanus Mrs. H. C. Cantelow 1935-6-8 980 Modoc S of Malin. Comment
  CAS-BOT-BC234440  Diplacus tricolor Bruce Bartholomew; Barrett Anderson 1988-5-12 4100 Modoc White Horse. 1340 Comment
  HSC17849  Dodecatheon alpinum M. T. Milligan 1965-6-26 335 Modoc N end Jess Valley. 1616 Comment
  JEPS14674  Dodecatheon alpinum L. S. Smith 1918-6-23 958 Modoc High Grade District 48-15 Warner Mts., High Grade District 48-15 2346 Comment
  JEPS14685  Dodecatheon conjugens Frances D. Payne 1932-5-27 407 Modoc s and e Alturas (Parker Creek, Warner Mountains); Warner Mountains, Parker Creek, s and e of Alturas 1584 Comment
  JEPS9494  Dodecatheon conjugens Leo D. Whitney 1935-5-19 3108 Modoc near Hackamore (edge of Hackamore River); , near Hackamore Comment
  POM76690  Dodecatheon conjugens R. M. Austin 1895-04 560 Modoc Goose Lake Valley. Comment
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Sep 5 2010
  RSA520479  Dodecatheon conjugens Bruce Bartholomew, B. Anderson 1989-4-28 4655 Modoc 11 km N of State Highway 299 and ca. 1 km S of Raker and Thomas Reservoir. Juniper shrub savannah. 1500 Comment
  UC1514512  Dodecatheon conjugens E. H. Steffen May 21 1917-May 29 1917 5 Modoc West Valley Camp Modoc Forest, West Valley Camp 1524 Comment
  CAS-BOT-BC218284  Dodecatheon conjugens var. conjugens R. M. Austin 1898-4-1 2308 Modoc Plains, Goose Lake. Comment
  CAS-BOT-BC95116  Downingia bacigalupii Alice Eastwood; John Thomas Howell 1940-6-14 8224 Modoc 8 mi. NW of Canby. Comment
  CAS-BOT-BC95121  Downingia bacigalupii E. S. Willits 1940-7-1 344 Modoc Davis Creek. Comment
  CAS-BOT-BC95122  Downingia bacigalupii M. Vasey 1990-6-30 9039 Modoc Pond along dirt road near Curtis Waterhole, NW of Egg Lake. 1300 Comment
  JEPS119662  Downingia bacigalupii Lowell Ahart, John Dittes 2012-7-11 18334 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
  CAS-BOT-BC95120  Downingia bacigalupii Leland S. Smith 1919-7-1 1136 Modoc Rocky Prairie-Clark's Cattle Camp. Comment
  JEPS108480  Downingia bacigalupii Steve Jessup Jul 1995 Modoc N of Canby. 1.4 mi N of Rt. 139 on Rt. 46 Comment
  SJSU9531  Downingia bacigalupii W. Savage 1979-6-20 1268 Modoc 100 yards E of Boles Meadow, Triangle, Boles Meadow Unit, Devils Garden District, Modoc National Forest 1493 Comment
  JEPS14499  Downingia bicornuta var. bicornuta Milo S. Baker 1893-6 Modoc Egg Lake Comment
  SFV18022  Downingia bicornuta var. bicornuta J. A. Matos, D. C. Rudolph 1999-8-7 s. n. Modoc Pothole Creek near Pothole Spring. Near crossing of Clear Lake Road. 1470 Comment
  JEPS21586  Downingia bicornuta var. bicornuta Calvin McMillan 1949-6-16 1535 Modoc 3 mi s Crowder (about 7 mi s of Oregon border, n central Modoc County) Comment
  UC1192037  Downingia insignis Herbert L. Mason and Verne Grant 1947-7-10 Modoc 2 mi e Alturas; Dorris Reservoir Comment
  CAS-BOT-BC95138  Downingia insignis Mrs. H. C. Cantelow 1940-5-31 4000 Modoc E of Canby. Comment
  RSA149140  Downingia insignis I. L. Wiggins, Dorothy Wiggins 1961-6-16 16524 Modoc Northern outskirts of Canby. Comment
  SEINET8733891 Image available Downingia insignis Margaret J. Williams 1984-1 84- 66 -1 Modoc extending E for more than 2 miles; 0.2 mi E of Hwy 395 at Ravendale 1524 Comment
  UC1101476  Downingia laeta Herbert L. Mason and Verne Grant 1947-7-11 13369 Modoc s of Alturas (by Jones Lane, off Highway 395) Comment
  HSC80853  Draba albertina G. M. Riegel 1980-8-25 1105 Modoc S Warner Mtns. 2427 Comment
  UC1446113  Draba albertina Gary Schoolcraft 1979-8-8 168 Modoc 2133 Comment
  UC748102  Draba albertina Annie M. Alexander and Louise Kellogg 1946-8-3 5112 Modoc head of Eagle Creek Warner Mountains, Eagle Creek Comment
  CAS-BOT-BC58553  Draba densifolia Annie Montague Alexander; L. Kellogg 1946-8-9 5142 Modoc Squaw Peak, Patterson Lake Trail, Warner Mts. Comment
  CAS-BOT-BC41934  Draba stenoloba var. ramosa Gregg M. Riegel 1980-8-26 1109 Modoc South Warner Mountains. 2328 Comment
  CAS-BOT-BC498662  Draba verna James T. Vale 1978-5-1 s.n. Modoc On Lookout-Hackamore Road N of Bieber Comment
  POM172481  Drymocallis glandulosa var. glandulosa Franklin Nutting 1894-6-13 s.n. Modoc W side of Egg Lake Comment
  UC71676  Drymocallis glandulosa var. glandulosa Mrs. M. H. Manning 1902-10-11 38 Modoc Warner Mts. Warner Mts. (ne Modoc County) Comment
  UC12533  Drymocallis lactea Milo S. Baker 1893-6-28 Modoc Comment
  UC545676  Drymocallis lactea var. austiniae L. D. Whitney 1935-7-11 3479 Modoc Glass Mountain Glass Mountain (U.S.B.E. - Plot RS-4) Comment
  JEPS47205  Drymocallis pseudorupestris var. saxicola Frances D. Payne 1929-7-26 120 Modoc summit of Mt. Warren Warner Mountains, summit of Mt. Warren Comment
  CAS-BOT-BC14803  Dugaldia hoopesii Annie Montague Alexander; L. Kellogg 1946-8-3 5114 Modoc Head of Eagle Creek, Warner Mountains Comment
  CAS-BOT-BC14807  Dugaldia hoopesii Robert Patterson; Mona Bourell 1993-8-14 5233 Modoc Patterson Lake. South Warner Wilderness Area. Warner Mountains. 2743 Comment
  CAS-BOT-BC14850  Dugaldia hoopesii Elmer Ivan Applegate 1932-8-1 8046 Modoc Arid E slope of Warren Peak near summit, Warner Mountains Comment
  RSA608436  Dugaldia hoopesii L. C. Wheeler 1935-8-16 3886 Modoc Warner Mountains: Dismal Swamp, Twenty Mile Creek. 2226 Comment
  CHSC100431  Echinochloa crus-galli Lowell Ahart; John Dittes 2008-8-25 15314 Modoc On the east bank of the Pit River (flood plain), about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout. 1273 Comment
  CAS-BOT-BC95639  Elatine Robert Folger Thorne; C. W. Tilforth 1969-9-4 39055 Modoc 2 mi. W of Davis Creek. 1432 Comment
  JEPS121235  Elatine californica Lowell Ahart, John Dittes 2013-7-24 18918 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
  JEPS114850  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
  UC1100736  Eleocharis macrostachya Herbert L. Mason, Verne Grant 1947-7-11 13371 Modoc S of Alturas (irrigation ditch by Jones' Lane, off Hwy 395) Comment
  UC698625  Eleocharis quinqueflora Louis C. Wheeler 1935-8-15 3862 Modoc Dismal Swamp, Twenty Mile Creek Warner Mountains 2225 Comment
  SJSU9613  Eleocharis quinqueflora W. Savage 1979-7-6 1393 Modoc Triangla, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  UCD49861  Eleocharis quinqueflora var. suksdorfiana Louis C. Wheeler 1935-7-15 3862 Modoc Dismal Swamp, twenty Mile Creek, Warner Mts., Modoc Co. 2225 Comment
  CHSC115792  Elodea canadensis Lowell Ahart; John Dittes 2015-7-17 20398 Modoc On the south side of Ash Creek, Ash Creek State WildlifeArea, about 3/4 mile south of County Road B7, about 2.7 miles(air) west of Adin, about 9.1 miles (air) northeast of Beiber. 1279 Comment
  RSA129559  Elyhordeum macounii Leo D. Whitney 1935-7-13 3492 Modoc Alturas Comment
  JEPS45884  Elymus L. S. Smith 1281 Modoc Ranger Station pasture Rush Creek (s of meadow) Comment
Read comments
Mar 25 2011
  CAS-BOT-BC247722  Elymus X hansenii Fred. P. Cronemiller 1920-8-1 28 Modoc Round Valley. 1402 Comment
  CAS-BOT-BC247747  Elymus elymoides subsp. elymoides Bruce Bartholomew 1990-6-18 5360 Modoc 1.6 km S of Davis Creek on Hwy 395. 1450 Comment
  CAS-BOT-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
  CAS-BOT-BC247753  Elymus elymoides subsp. elymoides Roxana Stinchfield Ferris; L. Lorraine 1941-8-14 10587 Modoc 3 mi. from Patterson Ranger Station on road to Eagleville. Comment
  CAS-BOT-BC247737  Elymus glaucus Bruce Bartholomew; Barrett Anderson 1988-7-23 4599 Modoc Pine Creek, 4 km E of U.S Highway 395 on the road to Lily Lake, Warner Mts.. 1620 Comment
  UCD62306  Elymus glaucus Beecher Crampton; Carl Rimbey 1954-7-8 2174 Modoc Jess Valley, Warner Mountains, 15 miles east of Likely. Comment
  HSC65383  Elymus repens Thomas Wood 1979-8-8 215 Modoc 1 mi. S of Ft. Bidwell, along Hwy. 1, corner house where road turns W 1372 Comment
  UC70661  Elymus trachycaulus Mrs. M. H. Manning June 1903 413 c Modoc N.E. Modoc Co. Comment
  CAS-BOT-BC247725  Elymus trachycaulus subsp. trachycaulus Louis Cutter Wheeler 1935-8-4 3780 Modoc Pine Creek. 2103 Comment
  JEPS114871  Elytrigia pontica subsp. pontica Lowell Ahart, John Dittes 2008-8-25 15307 Modoc On the west bank (flood plain) of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-notheast of Lookout 1273 Comment
  CDA2058  Elytrigia repens T. C. Fuller 1958-7-8 1940 Modoc Corporation Ranch, Likely. 0 Comment
  JEPS73938  Elytrigia repens Frances D. Payne 1932-7-14 685 Modoc s and e Alturas; Warner Mountains, Parker Creek, Porter Ranch 1524 Comment
  CAS-BOT-BC191030  Epilobium brachycarpum Bruce Bartholomew; Barrett Anderson 1990-7-21 5589 Modoc Bear Flat, W side of Warner Mts. Ranger Station, E side of Warner Mts. 1830 Comment
  NY999860  Epilobium brachycarpum G. Schoolcraft 1993-8-2 2340 Modoc Near intersection of Hwy 395 and 299 east of Alturas 1372 Comment
  UC20097  Epilobium brachycarpum Milo S. Baker 1925-6-25 Modoc nr. Egg Lake Comment
  UC20101  Epilobium brachycarpum Mrs. R. M. Austin Aug. 1894 Modoc Goose Lake Valley Comment
  UCR77775  Epilobium brachycarpum B. Bartholomew 1991-6-21 5799 Modoc 1.6 km south of Davis Creek on U.S. Hwy 395. 1450 Comment
  SJSU9587  Epilobium campestre W. Savage 1979-7-5 1351 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  CAS-BOT-BC190994  Epilobium ciliatum subsp. ciliatum Robert Folger Thorne; et al 1969-9-3 39023 Modoc SE end of Tule Lake Sump, 0.5 mi N of turnoff to Lava Beds National Monument. 1264 Comment
  HSC16364  Epilobium ciliatum subsp. ciliatum M. T. Milligan 1966-7-25 570 Modoc E of Jess Valley 1646 Comment
  JEPS123856  Epilobium ciliatum subsp. ciliatum Lowell Ahart, John Dittes 2015-7-16 20368 Modoc Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. Comment
  CDA38072  Epilobium ciliatum subsp. ciliatum T. C. Fuller 1958-7-8 s.n. Modoc Corporation Ranch, Likely. 0 Comment
  UC748256  Epilobium ciliatum subsp. glandulosum Annie M. Alexander and Louise Kellogg 1946-7-17 5008 Modoc Benton Meadow Warner Mountains 2072 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-BC190974  Epilobium densiflorum Elmer Ivan Applegate 1932-7-8 7564 Modoc Western margins of Cowhead Lake. Comment
  UC1191612  Epilobium densiflorum Herbert L. Mason and Verne Grant 1947-7-13 13452 Modoc near Goose Lake (w end of Pass, on road to Fort Bidwell); Fandango Pass Comment
  UC1191615  Epilobium densiflorum Herbert L. Mason 1947-8-11 13495 Modoc on Hwy 81 near boundary between Lassen and Modoc Counties (w margin of lake); Lower Lake Comment
  CAS-BOT-BC190969  Epilobium hallianum Bruce Bartholomew 1991-7-4 5909 Modoc Roney Flat. 1460 Comment
  UC748413  Epilobium hallianum Annie M. Alexander and Louise Kellogg 1946-6-30 4873 Modoc Highgrade Warner Mountains (w side of ridge, n end of mts.) 2377 Comment
  UC201727  Epilobium hallianum W. P. Taylor and H. C. Bryant 1910-7-13 Modoc head N. Fork Parker Cr. Warner Mountains (near stream) 2225 Comment
  CAS-BOT-BC190955  Epilobium hornemannii subsp. hornemannii Bruce Bartholomew; Barrett Anderson 1990-7-20 5512 Modoc Tamarack Flat, E side of Warner Mts. 2150 Comment
  CAS-BOT-BC190956  Epilobium hornemannii subsp. hornemannii Bruce Bartholomew; Barrett Anderson 1988-7-23 4571 Modoc Dismal Swamp, Warner Mts.. 2180 Comment
  RSA27905  Epilobium hornemannii subsp. hornemannii C. L. Hitchcock 1940-5-27 6710 Modoc 15 miles northeast of Alturas. 1616 Comment
  JEPS43883  Epilobium hornemannii subsp. hornemannii Frances D. Payne 1929-7-26 122 Modoc 2 mi s Warren Peak; Warner Mts., Pine Creek Basin 2133 Comment
  HSC80900  Epilobium obcordatum G. M. Riegel 1980-7-23 934 Modoc S Warner Mtns. 1829 Comment
  UC190619  Epilobium obcordatum M. F. Gilman 508 Modoc mts. 2133 Comment
  CAS-BOT-BC190944  Epilobium oregonense Bruce Bartholomew 1994-7-2 6800 Modoc 5.5 km SE of Forest Service road 30 on road towards Bald Mountain, E side of the Warner Mts. 2230 Comment
  CAS-BOT-BC190934  Epilobium pallidum Bruce Bartholomew; Barrett Anderson 1988-6-23 4283 A Modoc Widow Valley, 18.0 km W of Day on County Road 94. 1230 Comment
  CAS-BOT-BC190870  Epilobium pygmaeum Bruce Bartholomew 1990-8-3 5618 Modoc Bear Flat, W side of Warner Mts. 1830 Comment
  UC922303  Equisetum laevigatum Annie M. Alexander and Louise Kellogg 1946-7-5 4911 Modoc w Lower Lake Lower Lake (<Lava Cliff>) Comment
  UC1192371  Equisetum laevigatum Verne Grant and Irving Schneider 1947-7-20 8107 Modoc downstream from Alturas (N Fork Pit River) Comment
  CAS-BOT-BC95470  Eremogone aculeata Ernest Brown Babcock; George Ledyard Stebbins 1936-6-9 1817 Modoc Cedar Creek Canyon, about 3 mi. W of Cedarville, in the Warner mts. 1676 Comment
  CAS-BOT-BC95488  Eremogone aculeata Bruce Bartholomew; Barrett Anderson 1988-5-13 4151 Modoc Along Parker Creek Road, 0.5 km W of West Warner Road on Parker Creek Road, W side of the Warner Mts.. 1650 Comment
  CAS-BOT-BC95492  Eremogone aculeata Elmer Ivan Applegate 1932-8-1 8007 Modoc Arid W slope of Warner Mts. S of Warren Peak. Comment
  CHSC118084  Eremogone aculeata L. P. Janeway 2016-5-16 12004 Modoc Modoc Plateau. Devils Garden area; along Road 46N02 3.4 road-km south-southeast of Road 47N09/73/181; about 5.2 air-km north of Crowder Mtn Reservoir. 1570 Comment
  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
  SBBG30591  Eremogone aculeata D. Myrick 1968-6-20 1969 Modoc Cedar Pass Rd, St Hwy 299, 12 mi E of Alturas 1524 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-BC95441  Eremogone congesta Barrett Anderson 1986-7-10 3206 Modoc West Warner Rd. along Bear Flat. 1845 Comment
  CAS-BOT-BC95442  Eremogone congesta Bruce Bartholomew 1991-5-25 5760 Modoc N side of the Pit River, ca. 1 km W of Ostrom Point. 1320 Comment
  CAS-BOT-BC95463  Eremogone congesta L. A. M. Black 1894-7-1 99 Modoc Davis Creek. Comment
  CAS-BOT-BC95464  Eremogone congesta John Thomas Howell 1934-6-30 12288 Modoc Duncan Horse Camp. 1355 Comment
  CAS-BOT-BC95469  Eremogone congesta Mrs. H. C. Cantelow 1940-5-31 3443 Modoc 8.9 mi. E of Indian Springs. Comment
  SJSU9701  Eremogone congesta var. simulans W. Savage 1979-7-10 1532 Modoc Oregon Rim Unit, Devils Garden District, Modoc National Forest 1645 Comment
  CHSC118082  Eremogone congesta var. subcongesta L. P. Janeway 2016-5-18 12054 Modoc Modoc Plateau. Between Goose Lake and the Devils Garden area; uplands along southwest side of Goose Lake about 2.1 air-km southwest of north end of Road 48 causeway across the lake. 1434 Comment
  RSA0057701  Eremogone congesta var. subcongesta Mrs. R. M. Austin 1895-06 466 Modoc Davis Creek. Comment
  SEINET12875573 Image available Eremogone congesta var. subcongesta John Thomas Howell, Alice Eastwood 1940-1 8110 Modoc Surprise Comment
  RSA0057647  Eremogone congesta var. suffrutescens Christopher Davidson 1973-5-26 2130 Modoc 4 miles W of Canby on Hwy 299. 1341 Comment
  UC1540164  Eriastrum signatum Dean Wm. Taylor with Glenn L. Clifton and Rexford E. Palmer 1987-8-9 9272 Modoc margin of playa set in lava flows Dry Lake 1341 Comment
  HSC81121  Ericameria bloomeri G. M. Riegel 1979-8-16 672 Modoc South Warner Mtns. 1829 Comment
  RSA608600  Ericameria bloomeri L. C. Wheeler 1935-9-9 3960 Modoc Devils Garden: 1 mile NE of South Mountain 1524 Comment
  CAS-BOT-BC14776  Ericameria greenei Robert Patterson; Mona Bourell 1993-8-15 5239 Modoc Warner Mountains. Along trail from Patterson Lake to ca. 2 mi north towards Pepperdine Trailhead. 2743 Comment
  HSC67900  Ericameria greenei J. P. Smith, J. O. Sawyer 1973-8-8 7241 Modoc S slopes of Eagle Peak 2561 Comment
  HSC81050  Ericameria nauseosa var. speciosa G. M. Riegel 1979-8-23 703 Modoc South Warner Mtns. 1670 Comment
  UC195526  Ericameria nauseosa var. speciosa B. C. Goldsmith 1910-1-1 Modoc Alturas Comment
  CAS-BOT-BC42830  Erigeron austiniae B. J. Cox; P. Gillian 1971-6-3 2612 Modoc 6 mi. N of Alturas on Hwy 395. 1341 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-BC42832  Erigeron austiniae Alice Eastwood; John Thomas Howell 1940-6-12 8103 Modoc W side of Cedar Pass. Comment
  RSA42057  Erigeron austiniae H. C. Cantelow 1935-6-8 862 Modoc Lava beds. Comment
  POM261456  Erigeron bloomeri Alice Eastwood, John Thomas Howell 1940-6-12 8104 Modoc West side of Cedar Pass. Comment
  CAS-BOT-BC42804  Erigeron bloomeri var. bloomeri Alice Eastwood; John Thomas Howell 1940-6-12 8104 Modoc W side of Cedar Pass. Comment
  CAS-BOT-BC42809  Erigeron bloomeri var. bloomeri Ethel S. Willits 1940-6-5 326 Modoc Canby. 1371 Comment
  CAS-BOT-BC42846  Erigeron bloomeri var. bloomeri Alice Eastwood; John Thomas Howell 1940-6-12 8084 Modoc Jess Valley. Comment
  RSA0049628  Erigeron bloomeri var. bloomeri Dean Wm. Taylor 2012-6-5 21217 Modoc Vicinity Crank Spring (11 air miles North of Lookout) 1365 Comment
  CHSC100360  Erigeron canadensis Lowell Ahart; John Dittes 2008-8-25 15318 Modoc On the east bank (flood plain) of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-notheast of Lookout. 1273 Comment
  CAS-BOT-BC294906  Erigeron chrysopsidis var. austiniae Elmer I. Applegate 1936-5-17 10312 Modoc Lava Beds National Monument. Top of Gillams bluff Comment
  UC952857  Erigeron chrysopsidis var. austiniae E. K. Balls 1950-5-14 1469 Modoc trail from Alturas to Thomas Reservoir Modoc National Forest (0.2 mi s boundary); Northern Juniper Woodland, Plant Community 1524 Comment
  CAS-BOT-BC42776  Erigeron divergens Gordon H. True 1964-6-3 1457 Modoc North fork Pit River between Alturas and Goose Lake. 1463 Comment
  SBBG8089  Erigeron divergens H. and M. Dearing 1939-6-7 3572 Modoc near Adin Comment
  CDA4930  Erigeron divergens T. C. Fuller 1965-6-2 13599 Modoc West side of Dorris Reservoir, 2 miles east of Alturas. 0 Comment
  UC748369  Erigeron eatonii var. plantagineus Annie M. Alexander and Louise Kellogg 1946-7-18 5013 Modoc Benton Meadow Warner Mountains 2072 Comment
  JEPS15467  Erigeron eatonii var. plantagineus Joseph and Hilda W. Grinnell 1938-6-16 1113 a Modoc Cedar Pass summit Warner Mountains 1920 Comment
  UC1540224  Erigeron filifolius Dean Wm. Taylor and Glenn L. Clifton 1987-6-27 9107 Modoc along Hwy 395 about 3.5 mi n of n junction with Highway 299 1371 Comment
  RSA26265  Erigeron filifolius Alice Eastwood, John Thomas Howell 1940-6-14 8243 Modoc Between Mammoth Cave and Lava Beds National Monument. Comment
  UC748399  Erigeron filifolius Annie M. Alexander and Louise Kellogg 1946-6-18 4790 Modoc lower part of road Patterson Mill Road Comment
  SEINET8667350 Image available Erigeron glacialis D. A. 1988-8-13 205 Modoc Warner Mountains, near northeast shore of Patterson Lake 2749 Comment
  CAS-BOT-BC49618  Erigeron glacialis var. glacialis Annie Montague Alexander; L. Kellogg 1946-7-19 5029 Modoc Benton Meadow, Warner Mountains 2072 Comment
  JEPS86332  Erigeron glacialis var. glacialis Jack and Betty Guggolz 1988-7-4 978 Modoc North Star Basin Comment
  CAS-BOT-BC49641  Erigeron linearis Alice Eastwood; John Thomas Howell 1940-6-12 8083 Modoc Jess Valley. Comment
  HSC28532  Erigeron linearis D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19364 Modoc Along the S Fork of the Pit River, ~6 mi. E of Likely. Comment
  JEPS41569  Erigeron linearis L. S. Smith 1166 Modoc Timber Mt. Comment
  JEPS5922  Erigeron linearis Frances D. Payne 1929-6-28 31 Modoc s and e of Alturas (Parker Creek); Warner Mountains, Parker Creek 1584 Comment
  RSA245023  Erigeron linearis D. H. Norris, T. Nelson, S. Dowty 1971-6-23 19364 Modoc along the South fork of the Pit River, about 6 miles east of Likely Comment
  UC1035993  Erigeron linearis Helen K. Sharsmith 1955-6-23 4492 Modoc 6.7 mi e Cedar Campground (just s of State Highway 29); Warner Mountains, Modoc National Forest 1859 Comment
  UC31441  Erigeron linearis Mrs. R. M. Austin and Bruce Jul 1898 2187 Modoc Comment
  HSC81106  Erigeron philadelphicus G. M. Riegel 1980-7-2 808 Modoc S Warner Mtns. 2100 Comment
  CAS-BOT-BC197831  Eriogonum caespitosum Elmer Ivan Applegate 1932-7-9 7605 Modoc Bidwell Mountain, Warner Mts. Comment
  CAS-BOT-BC248362  Eriogonum caespitosum B. Bartholomew; H. Sun 2002-6-24 8845 Modoc E of Bald Mt., on the E side of the Warner Mountains 2170 Comment
  SEINET5328663  Eriogonum caespitosum M. 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
  JEPS57043  Eriogonum douglasii var. meridionale Frances D. Payne 1932-6-26 605 Modoc s and e Alturas (high ridges n of Parker Creek); Warner Mountains, Parker Creek 1828 Comment
  HSC80877  Eriogonum elatum G. M. Riegel 1980-7-29 954 Modoc S Warner Mtns. 1739 Comment
  CHSC109516  Eriogonum elatum var. elatum L. P. Janeway; B. Castro 2012-7-25 10994 Modoc Warner Mountains. Low broad ridge 1.1 km east of Dismal Swamp. 2250 Comment
  UC1250296  Eriogonum heracleoides var. heracleoides Annie M. Alexander and Louise Kellogg 1946-7-14 5070 Modoc Emerson Peak Warner Mountains, Horse Mountain, Emerson Peak Comment
  HSC80880  Eriogonum marifolium var. marifolium G. M. Riegel 1978-8-31 176 Modoc S Warner Mtns. 1829 Comment
  NY282139  Eriogonum microthecum var. ambiguum B. M. Bartholomew 1990-6-17 5323 Modoc E side of Surprise Valley, 9.6 km E of Eagleville at the Nevada border. 1580 Comment
  CAS-BOT-BC197804  Eriogonum microthecum var. laxiflorum Elmer Ivan Applegate 1921-9-2 3342 Modoc Dry Lake. Comment
  CDA35639  Eriogonum nudum J. R. Keck Jr. 1985-7-1 PDR# 237693 & PDR# 237694 Modoc U. S. Forest Service land, Modoc National Forest. 0 Comment
  CAS-BOT-BC211414  Eriogonum nudum var. pubiflorum Bruce Bartholomew 1990-6-17 5295 Modoc Along Emerson Creek, 2.8 km SW of County Rd 1, E side of Warner Mts. 1600 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
  CHSC117363  Eriogonum nudum var. pubiflorum Lowell Ahart; John Dittes 2016-7-14 21188 Modoc About 30 yards west of the Fishing Access Sign, south side of a poor dirt road, About 1/8 mile south of Ash Creek, Ash Creek State Wildlife Area, 1 mile (air) south of County Road 87, 1.7 miles (air) southwest of Adin, Big Valley. 1276 Comment
  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
  UCR67445  Eriogonum nudum var. pubiflorum George K. Helmkamp 1990-9-23 I- 21 Modoc Warner Mtns, Goose Lake, within 0.1 mi of the Oregon border 1476 Comment
  CAS-BOT-BC211433  Eriogonum nudum var. pubiflorum Leland S. Smith 1922-7-15 1270 Modoc Dry lake country T43-8 1432 Comment
  NY762342  Eriogonum nudum var. pubiflorum J. L. Reveal 1975-8-14 3947 Modoc Along California Highway 139-299, 1.2 miles southeast of Adin Summit, about 10.5 miles north of Adin Comment
  RSA78895  Eriogonum nudum var. pubiflorum E. K. Balls, Percy C. Everett 1952-10-11 18161 Modoc About junction of road to lookout with Highway 139, between Alturas and Klamath Falls 1402 Comment
  UC412793  Eriogonum nudum var. pubiflorum M. F. Gilman 574 Modoc 1676 Comment
  RSA78967  Eriogonum ovalifolium var. ovalifolium E. K. Balls, Percy C. Everett 1952-10-11 18164 Modoc 4.9 mi. w. from turn off of Hwy 139 on road to Pumice Pits, e. edge of Glass Flow. 1280 Comment
  JEPS56563  Eriogonum prociduum Frances D. Payne 1931-6-29 280 Modoc Trail from Granger Pass to Mt. Warren; Warner Mountains 2438 Comment
  SD86299  Eriogonum prociduum James L. Reveal 1971-6-22 2462 Modoc Along U.S. Highway 395, 3.5 miles north of the junction of U. S. 395 with California Highway 299, and 1.2 miles north of the Chimney Rock Turnoff 1402 Comment
  RSA26444  Eriogonum sphaerocephalum J. T. Howell 1940-6-11 8014 Modoc 6 mi. N.E. of Adin on road to Candy, Modoc Co. Comment
  CAS-BOT-BC211378  Eriogonum sphaerocephalum var. halimioides M. M. Hanna 1956-6-7 1018 Modoc Highway 139 between Cranby and Tienesta. Comment
  CAS-BOT-BC211379  Eriogonum sphaerocephalum var. halimioides Bruce Bartholomew 1990-6-18 5379 Modoc Crowder Flat Rd, 0.3 km N of turn off to Big Sage Reservoir. 1480 Comment
  CAS-BOT-BC211382  Eriogonum sphaerocephalum var. halimioides Margaret J. Williams 1983-7-29 83- 116 -6 Modoc 1.1 mi N of Stowe Reservoir Campground, N of Cedar Pass, Warner Mts. 2087 Comment
  CAS-BOT-BC211386  Eriogonum sphaerocephalum var. halimioides A. D. Borden Modoc S of Shields Creek. Comment
  RSA31848  Eriogonum sphaerocephalum var. halimioides A. A. Heller 1941-6-24 16193 Modoc On rocky hillside just south of Indian Springs along U. S. Highway # 299, in the Juniper Belt. Comment
  RSA531350  Eriogonum sphaerocephalum var. halimioides Bruce Bartholomew, B. Anderson 1988-6-25 4395 Modoc 5.6 km NW of State Highway 299 on County Rd. 73. 1500 Comment
  SJSU5895  Eriogonum sphaerocephalum var. halimioides H. L. Buckalew 1961-6-26 Modoc Deep Cr Canyon, Warner Mts 1767 Comment
  RSA97511  Eriogonum sphaerocephalum var. halimioides Beecher Crampton 1954-7-7 2122 Modoc Low clumps among boulders; volcanic plateau, Juniper-Sagebrush assoc Collis Ranch, County rd. 56, 6 mi. east of Alturas. Comment
  SEINET5512264  Eriogonum strictum subsp. proliferum J. C. Beatley 1964-1 Modoc Tule Lake Area. Drainage area: Tule Lake 1829 Comment
  SEINET5331657  Eriogonum strictum var. anserinum M. J. Williams 1988-5-30 88- 26 -2 Modoc Jess Valley, S of roadside rest. 1524 Comment
  NY399115  Eriogonum umbellatum var. dichrocephalum J. L. Reveal 1978-8-11 4821 Modoc Warner Mountains, along Modoc County Road 2 form near New Pine Creek to Fort Bidwell, just east of Poison Lake turnoff about 5.4 miles east of U.S. highway 395 1935.5 Comment
  RSA759523  Eriogonum umbellatum var. modocense James L. Reveal 2007-6-3 8827 Modoc Along California Highway 299, 0.6 miles east of County Road 58 and 6.2 miles east of the U. S. Highway 295, rocky slopes above Thoms Creek. 1585 Comment
  UC85975  Eriogonum umbellatum var. modocense Oliver Austin July 1884 Modoc Goose Lake Valley Comment
  UC190600  Eriogonum umbellatum var. modocense M. F. Gilman 573 Modoc 1676 Comment
  CAS-BOT-BC197784  Eriogonum umbellatum var. nevadense Elmer Ivan Applegate 1932-7-9 7599 Modoc Bidwell Mountain, Warner Mts. Comment
  UC6510  Eriogonum umbellatum var. nevadense Milo S. Baker 1893-7-8 Modoc Lava Beds Comment
  RSA78910  Eriogonum umbellatum var. polyanthum E. K. Balls, Percy C. Everett 1952-10-10 18151 Modoc Above S. Fk. Public Camp, 8 mi. E. of Likely on road to Jess Valley. 1555 Comment
  SD86296  Eriogonum umbellatum var. polyanthum James L. Reveal 1971-6-22 2461 Modoc Along U.S. Highway 395 at Davis Creek 1449 Comment
  JEPS56153  Eriogonum vimineum W. L. Jepson 1918-8-6 7851 Modoc Surprise Valley 1447 Comment
  SEINET3872965  Eriogonum vimineum Richard R. Halse 2010-8-25 8084 Modoc Along State Hwy. 139 ca 25.5 miles northwest of its junction with State Hwy. 299; Modoc National Forest.; 0 1278 Comment
  UC6526  Eriogonum vimineum Mrs. R. M. Austin and Bruce Aug 1898 2317 Modoc Goose Lake valley Comment
  NY399819  Eriogonum vimineum R. M. Austin s.n. Modoc Goose Lake Valley Comment
  SEINET10299473  Eriogonum vimineum J. M. Tucker 1951-7-25 1971 Modoc Beside highway 139, 26.4 miles southeast of Tule Lake Comment
  UCR57549  Eriophyllum lanatum R. D. Goeden, Don W. Ricker 1989-8-23 889- 26 Modoc Modoc National Forest, South Main Road, near Crowder Flat 1550 Comment
  HSC81108  Eriophyllum lanatum var. achilleoides G. M. Riegel 1979-7-12 530 Modoc South Warner Mtns. 1739 Comment
  SD61001  Eriophyllum lanatum var. achilleoides Darley F. Howe 1964-7-31 Modoc 8.5 miles from entrance to Modoc National Forest, road east of Likely, Warner Mountains. 1555 Comment
  SEINET11840143  Eriophyllum lanatum var. achilleoides D. E. Johnson, Eckenwalder, J. E. 1974-1 131 Modoc Warner Mountains, just W of summit of Cedar Pass on Hwy 299 (Alturas-Cedarville Rd) 1920 Comment
  UC31683  Eriophyllum lanatum var. achilleoides Milo S. Baker 1893-6-27 Modoc Comment
  CAS-BOT-BC301766  Eriophyllum multicaule Lemmon 1878-5-1 s.n. Modoc Surprise Val. Comment
  CHSC117364  Erodium cicutarium Lowell Ahart; John Dittes 2016-7-14 21173 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
  HSC8487  Erodium cicutarium M. T. Milligan 1964-6-4 21 Modoc East D St. between 4th and 5th St., Alturas 1372 Comment
  UCR101247  Eryngium alismifolium L. C. Wheeler 1935-8-21 3900 Modoc Devils Garden; Pine Spring 1524 Comment
  UCR101218B  Eryngium articulatum L. C. Wheeler 1935-9-13 3985 Modoc Devils Garden; Fletcher Creek at Pease Place 1563 Comment
  CHSC66977  Eryngium mathiasiae James D. Jokerst 1987-6-23 2929 Modoc Radar Survey Site S of Doublehead Mtn., off-site surveys SW and SE of Doublehead Mtn., at a large dry lake ca. 1.75 mi from Rimrock Lake. Comment
  CHSC67323  Eryngium mathiasiae James D. Jokerst 1986-8-11 2760 Modoc Radar Site Survey S of Doublehead Mtn., S of road to Doublehead Mtn. Comment
  UC1487337  Eryngium mathiasiae Yusuf Sheikh and Lincoln Constance 1973-6-27 552 Modoc s. Lower Roberts Reservoir (at n.w. edge of Lookout, on Old Camp 2 Rd. toward White Horse) Comment
  UC1191426  Erysimum repandum Herbert L. Mason 1947-7-10 13346 Modoc 2 mi e Alturas; Dorris Reservoir Comment
  CHSC114309  Erysimum repandum Carri Pirosko 2008-6-10 Modoc Alturas, Schluter Ranch, Pencil Rd. X HWY 395. Comment
  JEPS53547  Erysimum repandum W. L. Jepson 1918-8-6 7850 Modoc Surprise Valley 1447 Comment
  SD135614  Erysimum repandum B. Bartholomew, M. Bourell 1990-4-27 5185 Modoc 10.3 km northwest of Highway 299 on Crowder Flat Road 0 Comment
  SEINET8380161  Erythranthe latidens B. Bartholomew 1993-6-12 6577 Modoc Road to Day Rock from Little Hot Spring Valley. 1250 Comment
  SEINET195628 Image available Erythranthe lewisii Annie M. Alexander, Louise Kellogg 1946-1 5064 Modoc Bear Camp Flat Warner Mountains; at creek on trail to Emerson Camp. Comment
  CAS-BOT-BC234467  Erythranthe pulsiferae Leland S. Smith 1924-5-31 1362 Modoc Egg Lake Ranch. 1310 Comment
  RSA185361A  Erythranthe pulsiferae Clare B. Hardham 1961-6-17 7514 Modoc Cedar Pass Camp Ground, Warner Mountains. Comment
  CAS-BOT-BC190755  Eschscholzia californica Elmer Ivan Applegate 1936-7-5 10530 Modoc Hospital Rock, Lave Beds National Monument. Comment
  UCR138443  Eupatorium occidentale David A. Charlet 1989-8-17 563 Modoc 1 km SW of Dusenbery Peak, Warner Mountains 2771 Comment
  CAS-BOT-BC95712  Euphorbia serpillifolia Herbert Louis Mason; Verne Grant 1947-7-10 13325 Modoc Dorris Reservoir. Comment
  CDA20770  Euphorbia virgata C. Pirosko 2006-6-19 PDR 1303861 Modoc Schluter Ranch; Pencil Rd, 2 miles N of Alturas off Hwy. 395. Comment
  JEPS89450  Eurybia integrifolia Dean Wm. Taylor with Glenn L. Clifton 1989-8-5 10448 Modoc cirque headwall above South Emerson Lake (Emerson Creek drainage, Warner Mountains); Warner Mountains 2560 Comment
  UC71688  Euthamia occidentalis Mrs. M. H. Manning 1903-8-26 330 Modoc near Fort Bidwell; ne Modoc Co. Comment
  CAS-BOT-BC247705  Festuca idahoensis John Thomas Howell 1934-6-11 11928 Modoc Parker Creek. 1584 Comment
  CAS-BOT-BC247715  Festuca idahoensis Leland S. Smith 1924-6-6 s.n. Modoc S of Egg Lake. Comment
  CHSC117227  Festuca idahoensis Lowell Ahart; John Dittes 2016-6-6 20941 Modoc About 20 yards west of the dirt road, about 50 yards southwest of the intersection of County Road 87 and Access Road to Pilot Butte Parking Area, northeast base of Pilot Butte, 3.8 miles (air) east of Lookout, 7.5 miles (air) west of Adin, Ash Creek State Wildlife Area. 1271 Comment
  CHSC118818  Festuca idahoensis L. P. Janeway 2014-7-8 11477 Modoc Modoc Plateau. East corner of Dry Creek Rim; along Road 47N08 (Corral Creek Road) 5.1 road-km north-northwest of Raod 48 (along the west edge of Goose Lake). 1759 Comment
  HSC9860  Festuca idahoensis R. C. Wunner 1965-7-1 319 Modoc Lava Beds N.M. Near Indian Well campground. 1433 Comment
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Aug 20 2013
  HSC9864  Festuca idahoensis R. C. Wunner 1965-6-20 219 Modoc Lava Beds N.M. Above Lava Brook Cave. 1463 Comment
  JEPS69238  Festuca idahoensis Leland S. Smith 1917-7-15 860 Modoc Comment
  POM182007  Floerkea proserpinacoides F. W. Peirson 1926-6-25 6888 Modoc 1 mile east of summit of Cedarville Road, Warner Mountains Comment
  RSA165632  Floerkea proserpinacoides Clare B. Hardham 1961-6-17 s.n. Modoc Cedar Pass Camp Ground, Warner Mountains. Comment
  SEINET5356110  Floerkea proserpinacoides M. J. Williams 1984-6-30 84- 80 -1 Modoc Warner Mtns., Granger Canyon Road, 6.8 mi W of Cedarville-Gerlach road 1981 Comment
  CAS-BOT-BC191138  Fraxinus latifolia Leland S. Smith 1410 Modoc Modoc County. Comment
  CHSC67139  Fritillaria atropurpurea James D. Jokerst 1987-5-11 2824 Modoc Radar Survey Site S of Doublehead Mtn., S of Clear Lake Reservoir. 1363 Comment
  RSA367714  Fritillaria atropurpurea George Willet 1935-6-21 s.n. Modoc Modoc County: Warren Mtns. 2439 Comment
  UC3638  Fritillaria atropurpurea Milo S. Baker 1893-6-10 Modoc Comment
  CAS-BOT-BC242090  Fritillaria pudica F. Angwin 1946-5-10 s.n. Modoc Big Valley near Adin. 1280 Comment
  UC1237945  Fritillaria pudica John Weiler, A. P. Nelson May 26 1961-May 29 1961 61222 Modoc Warner Mountains, above highway at Cedar Pass Cedar Pass; Warner Mountains, Cedar Pass Comment
  UC416629  Galium aparine Mrs. R. M. Austin Aug. 1894 125 Modoc above Alturas; Pitt River Comment
  CAS-BOT-BC225058  Galium bifolium Bruce Bartholomew; Barrett Anderson 1989-6-2 4843 Modoc Vicinity of Stough Reservoir, Warner Mountains. 1950 Comment
  CAS-BOT-BC225059  Galium bifolium Bruce Bartholomew 1991-8-6 6081 Modoc N Emerson Lake, E side of Warner Mts. 2370 Comment
  CAS-BOT-BC225062  Galium bifolium Bruce Bartholomew 1992-5-15 6305 Modoc Tamarack Flat, E side of the Warner Mountains. 2160 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
  CAS-BOT-BC248365  Galium glabrescens subsp. modocense B. Bartholomew; H. Sun 2002-6-24 8848 Modoc E of Bald Mt., on the E side of the Warner Mountains 2130 Comment
  SD70497  Galium glabrescens subsp. modocense F. Ehrendorfer, G. L. Stebbins 1959-6-28 5909 Modoc Warner Mountains. Horse Mountain, near the top 2591 Comment
  UC1776689  Galium glabrescens subsp. modocense G. Schoolcraft 1999-8-25 2881 Modoc Lower east slope of Warner Mountains near OR stateline 1737 Comment
  CAS-BOT-BC497345  Galium glabrescens subsp. modocense G. Schoolcraft 1999-6-9 2830 Modoc Lower slopes of Warner Mtns., 3.5 mi N of Eagleville 1584 Comment
  SEINET12285552  Galium glabrescens subsp. modocense F. Ehrendorfer, Stebbins, G. L. 1959-1 5909 Modoc Warner Mountains, Horse Mountain, near top 2591 Comment
  POM68205  Galium mexicanum subsp. asperulum R. M. Austin 1895-07 474 Modoc Davis Creek Comment
  CAS-BOT-BC225084  Galium triflorum Bruce Bartholomew; Barrett Anderson 1988-7-22 4531 Modoc Mill Creek, Lake City Canyon, 5.5 km W of Lake City, E side of the Warner Mts.. 1860 Comment
  UC416653  Galium triflorum Milo S. Baker 1893-1 Modoc Forestdale Comment
  CAS-BOT-BC180120  Garrya fremontii Belknap C. Goldsmith 1911-1-1 Modoc Fandango Valley. Comment
  UC1618179  Gayophytum decipiens Barbara Ertter 1988-6-18 7624 Modoc Hwy 139 a few mi n Agric. Inspection Station (1 mi s of s jct to Lava Beds Nat'l Monument e of Tonesta, ca 50 air mi sw of Klamath Falls) 1310 Comment
  POM204135  Gayophytum decipiens J. T. Howell 1934-6-14 12125 Modoc Near Lost Lake, Warner Mts. 2439 Comment
  JEPS27527  Gayophytum diffusum subsp. parviflorum W. L. Jepson 1918-8-7 7863 Modoc Mt. Bidwell 2133 Comment
  UC711859  Gayophytum diffusum subsp. parviflorum Roxana S. Ferris and Laura Lorraine 1941-8-13 10543 Modoc Patterson Ranger Station Warner Mountains, Modoc National Forest, East Creek drainage 2164 Comment
  RSA101496  Gayophytum heterozygum R. Weatherby 1955-7-8 1609 Modoc 7 miles north of Ft. Bidwell, northern Warner Mts. 1875 Comment
  CAS-BOT-BC190830  Gayophytum humile Bruce Bartholomew 1993-6-14 6655 Modoc 5.5 km E of County Road 114 on County Road 108, NW of Clear Lake Reservoir. 1440 Comment
  RSA101494  Gayophytum racemosum R. Weatherby 1955-7-8 1609 -A Modoc 7 miles north of Ft. Bidwell, northern Warner Mts. 1875 Comment
  UC205189  Gayophytum racemosum W. P. Taylor and H. C. Bryant 1910-7-13 Modoc N. Fork Parker Cr. Warner Mountains (head) 2225 Comment
  UC566922  Gentiana affinis var. ovata F. H. Frost 1925-7-27 169 Modoc Clear Lake Warner Mts. Comment
  CAS-BOT-BC180063  Geranium viscosissimum Leland S. Smith 1917-7-2 62 Modoc Head of Shield's Creek. 2316 Comment
  UC748254  Geranium viscosissimum Annie M. Alexander and Louise Kellogg 1946-7-3 4901 Modoc 5 mi w Fort Bidwell; Bidwell Creek Canyon Comment
  CAS-BOT-BC214654  Geum macrophyllum Elmer Ivan Applegate 1932-8-2 8094 Modoc Mill Creek Meadows, W slope of Warner Mts. Comment
  HSC98404  Geum macrophyllum M. T. Milligan 1966-7-1 517 Modoc Slopes and ridges E of Jess Valley 1646 Comment
  RSA647788  Geum macrophyllum Marion P. Harthill 1972-6-17 837 Modoc Cedar Pass, Modoc National Forest 1921 Comment
  CAS-BOT-BC214675  Geum triflorum Bruce Bartholomew; M; M. Gilbert; L. E. Skog 1993-5-11 6502 Modoc SE side of Hager Basin, along Crowder Flat Road. 1680 Comment
  UCR163907  Geum triflorum Jim Andre 1993-6-30 1402 Modoc Modoc Plateau, about 10 miles NW of Canby on Hwy 139, near NW end of Oak Ridge 1494 Comment
  RSA59762  Geum triflorum E. K. Balls 1950-5-15 14699 Modoc 6 miles SW of Dry Lake Ranger Station, along railroad. 1280 Comment
  UC12258  Geum triflorum Milo S. Baker 1893-6 Modoc 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
  SEINET6709585  Geum triflorum var. ciliatum M. J. Williams 1984-7-1 84- 87 -2 Modoc Northwest of Alturas, Crowder Flat Rd., near Big Sage Reservoir 1372 Comment
  SEINET191593  Gilia Marion Ownbey, Fred G. Meyer 1940-7-1 2146 Modoc West slope of Cedar Peak, Wartner Mts. 1570 Comment
  CAS-BOT-BC190703  Gilia brecciarum subsp. brecciarum Elmer Ivan Applegate 1936-5-4 10230 Modoc Lyon rock near Hospital Rock, Lava Beds National Monument. 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
  RSA63721  Gilia congesta var. montana Verne Grant, Alva Grant 1950-7-14 8944 Modoc North flank of Cedar peak near summit, Warner Mts., Modoc Co. 2287 Comment
  NY1011720  Gilia gilioides var. integrifolia B. M. Bartholomew 1988-7-22 4538 Modoc Side Creek, west side of Lake City Canyon, east side of the Warner Mountains. Davis Creek 15' Quad 1980 Comment
  CAS-BOT-BC190693  Gilia inconspicua Elmer Ivan Applegate 1935-6-5 9321 Modoc Captain Jack's Stronghold, Lava Beds National Monument. Comment
  CAS-BOT-BC190691  Gilia leptalea subsp. leptalea Bruce Bartholomew 1995-7-30 7040 Modoc 3.0 km E of Day on County Road 94. 1050 Comment
  CAS-BOT-BC190657  Gilia modocensis Elmer I. Applegate 1936-5-9 10259 Modoc Lave Beds National Monument, Hippo Butte. Comment
  RSA534555  Gilia modocensis Bruce Bartholomew 1991-5-25 5764 Modoc 8 km E of Likely on road to Jess Valley, N side of road along N side of S Fork of Pit River. 1460 Comment
  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
  CAS-BOT-BC190673  Gilia sinistra subsp. sinistra Louis Cutter Wheeler 1935-8-13 3833 Modoc Barnes Creek, Warner Mts. 1828 Comment
  CAS-BOT-BC218304  Glaux maritima Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-13 16448 Modoc Lane to Phipp's Ranch, ca. 14 mi. N of Cedarville. Comment
  RSA334845  Glaux maritima A. Tiehm, Susan Cochrane, Jan Nachlinger, Gary Schoolcraft 1984-6-24 8796 Modoc Surprise Valley, Mineral Wells on east side of Alkali Lake. Comment
  CAS-BOT-BC247692  Glyceria borealis John Thomas Howell 1934-7-2 12362 Modoc Near mouth of Willow Creek, NE side of Clear Lake. Comment
  SEINET4584852  Glyceria borealis S. Swift 1937-6-26 51 Modoc North Fork Pit River 1280 Comment
  CAS-BOT-BC247695  Glyceria elata Bruce Bartholomew 1989-8-11 5091 Modoc Vicinity of Patterson Ranger Station, S end of Warner Mountains. 2160 Comment
  CAS-BOT-BC247696  Glyceria elata Bruce Bartholomew; Barrett Anderson 1990-7-20 5534 Modoc 3.4 km NW of Tamarack Flat, E side of Warner Mts. 2130 Comment
  CAS-BOT-BC49527  Gnaphalium palustre Bruce Bartholomew 1991-7-4 5893 Modoc S end of Higgins Flat. 1370 Comment
  CAS-BOT-BC49575  Gnaphalium palustre Bruce Bartholomew; Barrett Anderson 1990-7-19 5402 Modoc Turner Creek at County Rd 90, N end of Big Valley, 6.4 km N of Lassen County border. 1230 Comment
  CHSC99952  Gnaphalium palustre Lowell Ahart; John Dittes 2008-8-25 15312 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
  HSC41110  Gnaphalium palustre Thomas W. Nelson, Jane P. Nelson, James Nelson 1976-8-29 3249 Modoc Modoc National Forest: along Hwy. 299 just NW of Adin Pass 1524 Comment
  HSC65392  Gnaphalium palustre Thomas Wood 1979-8-8 223 Modoc About 1.2 mi. S and then shortly W of Ft. Bidwell, along Hwy. 1 1372 Comment
  HSC5710  Gnaphalium palustre M. T. Milligan 1964-8-21 230 Modoc S end of Dorris Reservoir Dam 1372 Comment
  CAS-BOT-BC242178  Goodyera oblongifolia Bruce Bartholomew 1994-7-3 6832 Modoc Field redacted by CAS, contact the data manager for more information 1900 Comment
  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-BC229888  Gratiola neglecta Verne Grant; I. Schneider 1947-7-20 8094 Modoc S loop of Westside Road, Pit Valley, N of Likely. Comment
  CAS-BOT-BC229889  Gratiola neglecta Herbert Louis Mason; Verne Grant 1947-7-12 13393 Modoc Jones' Lane, off Hwy 395, several miles S of Alturas. Comment
  CHSC112837  Gratiola neglecta Lowell Ahart; John Dittes 2013-7-24 18917 Modoc Around a man made pond, north side of Ash Creek Floodplain, 0.54 mile (air) southeast of Pilot Butte Parking Area, 1.1 miles (air) south of County Road 87, 6.8 miles (air) west of Adin, Big Valley. 1263 Comment
  UC1191880  Gratiola neglecta Verne Grant and Irving Schneider 1947-7-20 8094 Modoc n Likely (Pitt Valley; s loop of westside road); Pitt Valley Comment
  CAS-BOT-BC49545  Grindelia hirsutula F. Angwin 1945-10-7 s.n. Modoc Adin. 1371 Comment
  CHSC110972  Grindelia nana Lowell Ahart; John Dittes 2012-7-11 18337 Modoc On bottom of a gravel pit, north edge of the meadow, about 1/8 mile east of the parking area on the east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  CHSC85168  Grindelia nana John Dittes; Josephine Guardino 1991-8-23 448 Modoc Modoc Plateau; Big Valley; Ash Creek Wildlife Area; ca. 7.7 air-miles northeast of Bieber, ca. 4.0 air-miles west by southwest of Adin, ca. 5.0 air-mile east by southeast of Pilot Butte summit, ca. 0.6 mile east of Walters Road and Owl Barn; meadow at southern edge of Ash Creek Floodplain. 1271 Comment
  JEPS25294  Hackelia cusickii Frances D. Payne 1932-6-10 643 Modoc s. & e. Alturas (Parker Creek, Warner Mts.); Warner Mts., Parker Creek 1584 Comment
  RSA293417  Hackelia cusickii Reino Alava 1957-7-6 1186 Modoc 2 miles west of Benton Meadows, Davis Creek Pass Road, Modoc Nat l Forest Comment
  RSA531354  Hackelia cusickii Bruce Bartholomew, B. 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
  SEINET12597087  Hackelia floribunda D. A. Charlet 1989-8-1 551 Modoc Warner Mountains, 0.8 km NNW of Eagle Peak. 2719 Comment
  CAS-BOT-BC54053  Hackelia micrantha Francis Dorris Payne 1929-7-7 47 Modoc Pine Creek Basin, Warner Mountains 2316 Comment
  CAS-BOT-BC54054  Hackelia micrantha Bruce Bartholomew; Barrett Anderson 1988-6-24 4302 Modoc Road beyond Poison Lake ca. 8 km S of the road from U.S. Highway 395 to Lily Lake, Warner Mts.. 2130 Comment
  CAS-BOT-BC54057  Hackelia micrantha Elmer Ivan Applegate 1932-7-31 7961 Modoc Mill Creek Meadow, Warner Mountains Comment
  CAS-BOT-BC54059  Hackelia micrantha C. L. Hitchcock 1940-5-27 6692 Modoc 15 mi. NE of Alturas. 1615 Comment
  POM72792  Hackelia micrantha Mrs. R. M. Austin, Bruce 1898-06 2268 Modoc Lake City Canyon. Comment
  UC32258  Helianthella californica subsp. nevadensis Milo S. Baker 1893-6-20 Modoc Comment
  SEINET11196910 Image available Helianthus cusickii M. J. Williams, A. Tiehm 1988-6-2 88- 28 -5 Modoc Jess Valley, E of Likely, S of roadside rest Comment
  RSA0012973  Helianthus nuttallii subsp. nuttallii Mrs. R. M. Austin 1895-08 587 Modoc Patterson Modoc Comment
  SEINET8465055 Image available Heliotropium curassavicum B. Bartholomew 1989-8-11 5058 Modoc Along W side of Goose Lake, 3.5 km S of the Oregon border on National Forest Road 48. A Beach at edge of lake. 1430 Comment
  CHSC106324  Hemizonia lobbii Lowell Ahart; John Dittes 2010-8-31 17094 Modoc On the east side of Elkins Lane, about 50 yards north of the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  UC71862  Hesperochiron californicus Mrs. M. H. Manning May, 1903 127 Modoc meadows near Fort Bidwell; n.e. Modoc Co. Comment
  CAS-BOT-BC180050  Hesperochiron californicus E. H. Steffen 1917-6-20 49 Modoc Jess Valley. 1524 Comment
  CAS-BOT-BC179174  Hesperolinon micranthum Herbert L. Mason 1946-7-13 13448 Modoc W end of Fandango Pass, near Goose Lake. Comment
  JEPS32312  Hesperolinon micranthum Mrs. M. H. Manning 1918-7-14 Modoc north-eastern Modoc County Comment
  UC1212421  Hesperolinon micranthum Herbert L. Mason 1947-8-9 13486 Modoc 33.2 mi e of Alturus (Ridge n of Cedar Camp, near Cedar Pass, Warner Mountains); Warner Mountains Comment
  UC1100977  Heteranthera dubia Verne Grant and Irving Schneider 1947-8-28 8345 Modoc about 2 mi downstream from Canby; Pit River Comment
  UC1536816  Heteranthera dubia Gordon H. True Jr. 1939-7-19 1007 Modoc near Canby Pit R. Comment
  SEINET10460667  Heterocodon rariflorum Baker Baker s.n. Modoc Forestdale. Comment
  CAS-BOT-BC225788  Heuchera cylindrica Annie Montague Alexander; L. Kellogg 1946-7-3 4902 Modoc Fort Bidwell Creek Canyon, 3.5 mi. W of Fort Bidwell. Comment
  CAS-BOT-BC225789  Heuchera cylindrica Annie Montague Alexander; L. Kellogg 1946-7-23 5042 Modoc E slope Emerson Peak, Warner Mts. Comment
  CAS-BOT-BC225795  Heuchera cylindrica Louis Cutter Wheeler 1935-8-7 3804 Modoc Pine Creek, Warner Mts. 1554 Comment
  CAS-BOT-BC225796  Heuchera cylindrica Leland S. Smith 1917-7-2 57 Modoc Head of Shield Creek. 2316 Comment
  NY541343  Heuchera cylindrica B. M. Bartholomew 1995-8-1 7161 Modoc Bidwell Mountain, east side of the Warner Mountains 2150 Comment
  SEINET201656  Heuchera cylindrica A. Cronquist, AH Holmgren 1959-6-19 8503 Modoc Warner Mts a little above Clear Lake above Mill Creek 15 miles E of Likely. In section 27 or 28 1981 Comment
  RSA0062920  Heuchera cylindrica var. alpina Clare B. Hardham 1961-6-18 7572 Modoc Top of peaks S of summit of Cedar Pass. Comment
  JEPS49738  Heuchera cylindrica var. glabella Milo S. Baker 1893-8-8 Modoc near Medicine Lake 2743 Comment
  HSC80725  Heuchera rubescens G. M. Riegel 1980-7-29 970 Modoc S Warner Mtns. 1739 Comment
  POM229874  Hieracium albiflorum L. C. Wheeler 1935-8-14 3837 Modoc Pine Creek. Warner Mtns. 2011 Comment
  UC748188  Hieracium albiflorum Annie M. Alexander and Louise Kellogg 1946-6-15 5117 Modoc Deep Creek Warner Mountains, Deep creek Comment
  HSC81133  Hieracium horridum G. M. Riegel 1979-7-21 572 Modoc South Warner Mountains 1670 Comment
  CAS-BOT-BC49485  Hieracium scouleri Alice Eastwood; John Thomas Howell 1940-6-15 8284 Modoc About 15 mi. N of Lookout. Comment
  CAS-BOT-BC49523  Hieracium scouleri Barrett Anderson 1986-7-9 3140 Modoc Roney Flat Rd just off Hwy 299. 1435 Comment
  CHSC109466  Hieracium scouleri L. P. Janeway; B. Castro 2012-7-28 11035 Modoc Warner Mountains. Along the major eastern tributary of Pine Creek where the road to Poison Lake crosses it (the road washed out here). 1938 Comment
  SJSU7632  Hieracium scouleri H. C. Buckalew 1961-7-4 Modoc near Stowe Reservoir c. 1 mi N of Cedar Pass on Alturas-Cedarville Rd, Warner Mts Comment
  HSC10126  Holcus lanatus M. T. Milligan 1966-7-1 519 Modoc N end of Jess Valley. 1616 Comment
  SBBG30537  Holmgrenia andina D. Myrick 1968-6-20 1980 Modoc Airport Rd, 7 mi N of Alturas 1524 Comment
  CAS-BOT-BC214692  Holodiscus microphyllus var. glabrescens Francis Dorris Payne 1929-7-26 109 Modoc Pine Creek Basin. 2133 Comment
  CAS-BOT-BC214696  Holodiscus microphyllus var. glabrescens Francis Dorris Payne 1929-7-26 109 Modoc Pine Creek Basin. 2133 Comment
  CAS-BOT-BC214705  Holodiscus microphyllus var. glabrescens Bruce Bartholomew; Barrett Anderson 1988-7-22 4488 Modoc Vicinity of East Creak Trailhead, southern end of the Warner Mts. 2210 Comment
  CAS-BOT-BC214702  Holodiscus microphyllus var. glabrescens Leland S. Smith 1924-6-29 1448 Modoc In rocks near Lava Ranger Station. Comment
  UCR163265  Hordeum brachyantherum Jim Andre 1993-7-2 1428 Modoc Modoc Plateau, about 10 miles NW of Canby on Hwy 139, near NW end of Oak Ridge 1494 Comment
  UCD85367  Hordeum brachyantherum subsp. brachyantherum Beecher Crampton 1954-7-7 2165 Modoc 2.5 miles east of Alturas. Near Radio Station KCNO. Comment
  CDA32414  Hordeum jubatum T. C. Fuller 1958-7-8 1944 Modoc Likely: Corporation Ranch 0 Comment
  UCD32722  Hordeum jubatum subsp. intermedium Beecher Crampton 1954-7-7 2160 Modoc 2.5 miles east of Alturas. Near Radio Station KCNO. Comment
  JEPS113064  Horkelia fusca var. brownii Roy Buck 1987-6-6 666 Modoc at end of road just W of Egg Lake Comment
  NY833658  Horkelia fusca var. pseudocapitata M. S. Baker 1893-6-22 s.n. Modoc 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
  CAS-BOT-BC179317  Hydrophyllum capitatum var. alpinum Betty J. Hammerly 1941-6-20 28 Modoc Clear Lake 1615 Comment
  CAS-BOT-BC179327  Hydrophyllum capitatum var. alpinum Bruce Bartholomew; Barrett Anderson 1989-4-27 4634 Modoc Ryan Canyon, 6.0 km NW of Adin on road to Dutch Flat. 1370 Comment
  CAS-BOT-BC179335  Hydrophyllum capitatum var. alpinum F. Angwin 1946-4-26 Modoc Plateau region, 2 mi. NW of Adin. 1280 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
  HSC26494  Hydrophyllum capitatum var. alpinum J. P. Smith, J. O. Sawyer 1972-5-6 5261 Modoc FS road to Quail Spring at Hwy. 299, N of Adin 1463 Comment
  UCR267417  Hydrophyllum capitatum var. alpinum Jim Andre, Glenn L. Clifton 1993-6-12 29992 Modoc Warner Mountains, c. 3 mi west of Cedarville, along Cedar creek and Hwy 299, Modoc National Forest 1588 Comment
  JEPS1627  Hydrophyllum capitatum var. alpinum Leland S. Smith 1918-8-13 1073 Modoc Camp One Comment
  RSA520465  Hydrophyllum capitatum var. alpinum K. Paulson, R. Paulson 1989-6-14 127 Modoc 1.5 miles NE of Cedar Pass, Warner Mts. 1905 Comment
  UC24084  Hydrophyllum capitatum var. alpinum Milo S. Baker 1893-1 Modoc Comment
  CHSC109485  Hymenoxys hoopesii L. P. Janeway; B. Castro 2012-7-25 10978 Modoc Warner Mountains. Slope along north side of Dismal Swamp. 2216 Comment
  JEPS35530  Hymenoxys hoopesii W. L. Jepson 1918-8-7 7873 Modoc Mount Bidwell 2438 Comment
  UC748090  Hymenoxys hoopesii Annie M. Alexander and Louise Kellogg 1946-8-3 5114 Modoc head Eagle Creek; Warner Mountains Comment
  UC19052  Hypericum M. S. Baker and Frank Nutting 1894-6-20 Modoc Near Whitehorse Lake Comment
  HSC81092  Hypericum scouleri G. M. Riegel 1980-7-29 963 Modoc S Warner Mtns. 2100 Comment
  CAS-BOT-BC58445  Idahoa scapigera Bruce Bartholomew; Barrett Anderson 1988-5-14 4201 Modoc Pease Cabin, 0.8 km E of Fletcher Creek on USFS road 47N09 between Goose Lake and Crowder Flats. 1550 Comment
  RSA59646  Idahoa scapigera E. K. Balls 1950-5-12 14647 Modoc N of Bucks Creek Ranger Station, Modoc National Forest, E of Goose Lake. 1738 Comment
  RSA59821  Idahoa scapigera E. K. Balls 1950-5-18 14757 Modoc N of Upper Rush Creek Public Camp; 2.5 mi. east from Hwy. 299 1738 Comment
  UC117501  Idahoa scapigera R. M. Austin May, 1894 8 Modoc Goose Lake Valley Comment
  CAS-BOT-BC179103  Iliamna bakeri Alice Eastwood; John Thomas Howell 1940-6-14 8242 Modoc Between Mammoth Cave and Lava Beds Nat. Mon. Comment
  CHSC118846  Iliamna bakeri L. P. Janeway 2015-8-10 11829 Modoc Warner Mountains. Near the spring on northwest side of Road 29N21 1.0 road-km north of Road 64 (39N01 - the road to Patterson Campground); about 400 m southeast of Sunflower Knob. 2174 Comment
  CAS-BOT-BC15178  Ionactis alpina Elmer Ivan Applegate 1932-8-1 8040 Modoc Arid summit of Warner Mts. S of Warren Peak. Comment
  HSC80888  Ipomopsis aggregata subsp. attenuata G. M. Riegel 1980-7-30 978 Modoc S Warner Mtns. 1829 Comment
  CAS-BOT-BC190641  Ipomopsis congesta subsp. palmifrons Bruce Bartholomew 1995-8-1 7151 Modoc Bidwell Mtn., E side of the Warner Mountains. 2150 Comment
  UC117145  Iris missouriensis Mrs. R. M. Austin Jun 1894 75 Modoc Goose Lake Valley Comment
  CAS-BOT-BC30186  Isoetes bolanderi Bruce Bartholomew 1991-8-6 6082 Modoc N Emerson Lake, E side of Warner Mts. 2370 Comment
  JEPS89838  Isoetes bolanderi Dean W. Taylor 1992-5-8 12571 Modoc ca. 1.5 air mi. s. of Oregon State Line Pine Creek Canyon; Warner Mts., Pine Creek Canyon 1554 Comment
  SJSU9647  Iva axillaris W. Savage 1979-7-8 1481 Modoc W side Fairchild Swamp Unit, Triangle, Devils Garden District, Modoc National Forest 1493 Comment
  CDA13471  Iva axillaris subsp. robustior G. F. Hrusa, T. D. Wilfred 1996-7-21 13318 Modoc Modoc Plateau; adjacent to Pit River at Modoc Co. Rd. 90 bridge. E base of Splawn Mtn. N end of Big Valley. Comment
  JEPS121221  Juncus bufonius var. bufonius Lowell Ahart, John Dittes 2013-7-24 18928 Modoc About 50 yards S of the levee road, N side of Ash Creek Floodplain, 0.54 air miles SE of Pilot Butte parking area, 1.1 air miles S of County Road 87, 6.8 air miles W of Adin, Big Valley. Comment
  CAS-BOT-BC245070  Juncus bufonius var. occidentalis Louis Cutter Wheeler 1935-8-1 3738 Modoc Dismal Swamp, Warner Mountains, Modoc National Forest 2225 Comment
  CHSC109640  Juncus ensifolius Lowell Ahart; John Dittes 2012-7-12 18369 Modoc North edge of Ash Creek, south of the gravel pit, about 1/8 mile east of the parking area on the east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adam, about 8 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  JEPS66984  Juncus ensifolius W. L. Jepson 1918-8-12 7954 Modoc Jess Valley 1584 Comment
  UC1540127  Juncus luciensis Dean Wm. Taylor and Glenn L. Clifton 1987-6-24 9054 Modoc Egg Lake, extreme se portion of lakebed Egg Lake 1280 Comment
  UC1100956  Juncus mexicanus Herbert L. Mason and Verne Grant 1947-7-12 13426 Modoc n of Likely (s loop of w side road) Comment
  UC1601790  Juncus nevadensis Baker and Nutting 1894-7-28 Modoc Willow Creek Comment
  LA91908  Juncus nevadensis var. nevadensis C. L. Hitchcock; 1940-5-27 6715 Modoc 15 mi. NE of Alturas Comment
  UCR67433B  Juncus torreyi George K. Helmkamp 1990-9-23 J- 12 Modoc Warner Mtns, Goose Lake, within 0.1 mi of the Oregon border 1476 Comment
  SDSU1822  Juniperus californica L. N. Harvey 1930-9-24 Modoc Comment
  RSA520442  Juniperus communis var. montana Bruce Bartholomew 1990-6-16 5262 Modoc W side of Pine Creek Basin, Warner Mountains. 2200 Comment
  CAS-BOT-BC81193  Juniperus occidentalis M. B. Kildale 1926-9-11 2767 Modoc between Malin, Oregon and Alturas 1371 Comment
  CAS-BOT-BC81197  Juniperus occidentalis John Thomas Howell 1934-6-16 12208 A Modoc Parker Creek, Warner Mts. 1584 Comment
  CAS-BOT-BC81200  Juniperus occidentalis Florence Angwin 1946-5-4 s.n. Modoc Adin Comment
  HSC41118  Juniperus occidentalis Thomas W. Nelson, Jane P. Nelson, James Nelson 1976-8-29 3253 Modoc Modoc National Forest: along Hwy. 299 just NW of Adin Pass 1524 Comment
  SEINET10531163  Juniperus occidentalis Jeffrey Huber 1971-6-3 Huber 84 Modoc 5 mi S of Canby on Calif Hwy 299, Lupinus heavily carpeting hillsides of large basaltic boulders, sparse juniper, Artemesia, Purshia, Poa assoc. 1280 Comment
  CAS-BOT-BC30165  Juniperus occidentalis var. occidentalis Bruce Bartholomew 1989-8-11 5086 Modoc ca. 1 km S of Barber Creek on road from Surprise Valley to Patterson Ranger Station. 1880 Comment
  RSA639612  Juniperus occidentalis var. occidentalis L. C. Wheeler 1935-8-8 3813 Modoc Warner Mountains: Pine Creek. 1646 Comment
  UCR1822  Juniperus occidentalis var. occidentalis Frank C. Vasek 1962-9-2 620902- 03 Modoc Cedarville Road 5.8 mi east of US Hwy 395, east of Alturas 1616 Comment
  UCR4290  Juniperus occidentalis var. occidentalis Frank C. Vasek 1965-8-31 650831- 02 Modoc 7 mi SW of Canby Comment
  HSC80760  Kelloggia galioides G. M. Riegel 1980-7-31 937 Modoc South Warner Mtns. 2100 Comment
  POM299547  Kelloggia galioides Marion Ownbey, Fred G. Meyer 1940-7-1 2149 Modoc Cedar Peak, Warner Mountains. Comment
  CDA3144  Kochia scoparia T. C. Fuller 1962-8-3 9488 Modoc Tulelake Basin; 1.6 miles north of Stronghold. 0 Comment
  CAS-BOT-BC247642  Koeleria macrantha Roxana Stinchfield Ferris; R. Duthie 1919-6-13 63 Modoc Above Parker Creek near Modoc National Forest boundary. Comment
  CAS-BOT-BC247645  Koeleria macrantha Leland S. Smith 1924-6-9 1396 Modoc Egg Lake. Comment
  CAS-BOT-BC247646  Koeleria macrantha John Thomas Howell 1934-7-1 12347 Modoc Duncan Horse Camp. 1355 Comment
  UC70681  Koeleria macrantha Mrs. M. H. Manning 1904-7-16 Modoc Mt. Bidwell; north-eastern Modoc County Comment
  UCD85732  Koeleria macrantha Beecher Crampton; Carl Rimbey 1954-7-8 2182 Modoc west slope of Jess Valley, Warner Mountains, 15 miles east of Likely. Comment
  UCD85783  Koeleria macrantha Beecher Crampton 1960-6-17 5683 Modoc 5 miles south of Perez, Plant Quarantine Station area. 1371 Comment
  UC485313  Kyhosia bolanderi Franklin P. Nutting Modoc Forestdale Comment
  CDA7516  Lactuca tatarica subsp. pulchella T. C. Fuller 1958-7-8 2029 Modoc Davis Creek. 0 Comment
  CDA7520  Lactuca tatarica subsp. pulchella L. B. Smith 1960-8-12 Modoc Near Robert Anderson ranch, Road 104, Tulelake. 0 Comment
  UC33034  Lactuca tatarica subsp. pulchella Milo S. Baker 1893-6-1 Modoc Comment
  JEPS117165  Lagophylla ramosissima Lowell Ahart, John Dittes 2010-8-30 17065 Modoc About 15 yards west of the fence, south edge of the meadow, Ash Creek State Wildlife Area, 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
  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-BC179874  Lamium amplexicaule Leland S. Smith 1919-5-7 1093 Modoc Jess Valley-Clarke Ranch. 1676 Comment
  CAS-BOT-BC54066  Lappula redowskii R. M. Austin 1894-5-1 Modoc Davis Creek. Comment
  UC78792  Lappula redowskii Mrs. R. M. Austin July 1885 Modoc Goose Lake Valley Comment
  RSA534600  Lasthenia glaberrima Bruce Bartholomew, B. Anderson 1990-7-19 5408 Modoc Turner Creek at County Road 90, N end of Big Valley. 6.4 km N of Lassen County border 1230 Comment
  UC15393  Lathyrus brownii Baker and Nutting 1894-6-16 Modoc Forestdale Comment
  RSA101362  Lathyrus pauciflorus subsp. brownii C. A. Weatherby 1955-7-8 1621 Modoc 6 miles north of Ft. Bidwell, northern Warner Mts. 1784 Comment
  CAS-BOT-BC181972  Lathyrus rigidus Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-13 16472 Modoc 2.4 mi. S of Davis Creek. Comment
  CAS-BOT-BC181976  Lathyrus rigidus Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-10 6441 Modoc Just NE of Davis Creek Cemetery, 1.3 km E of Davis Creek. 1500 Comment
  NY716868  Lathyrus rigidus B. M. Bartholomew 1993-5-10 6441 Modoc Just northeast of Davis Creek Cemetery, 1.3 km east of Davis Creek 1500 Comment
  UC931202  Lathyrus rigidus C. L. Hitchcock 1950-5-27 19225 Modoc ca 20 mi n Alturas Comment
  CAS-BOT-BC49459  Layia glandulosa Bruce Bartholomew 1993-6-13 6615 Modoc Near the Nevada border, E of Eagleville, Surprise Valley. 1510 Comment
  CAS-BOT-BC49454  Layia glandulosa Mrs. H. C. Cantelow 1940-6-2 3348 Modoc W of Alturas on rd. to Lava Beds National Monument. Comment
  CAS-BOT-BC49457  Layia glandulosa Lindsay Stuart Smith; E. H. Steffen 1917-5-26 15 Modoc West Valley camp. 1554 Comment
  POM77416  Ledum glandulosum Mrs. R. M. Austin 1895-07 304 Modoc Tamaracks Comment
  RSA8238  Ledum glandulosum Elmer I. Applegate 1932-8-7 8224 Modoc Just above Lily Lake, Bidwelll Pass, Warner Mts. Comment
  CAS-BOT-BC245030  Lemna turionifera Verne Grant; I. Schneider 1947-7-19 8064 Modoc Corporation Ranch, S of south loop road. Comment
  CHSC105974  Lepidium campestre Lowell Ahart; John Dittes 2010-8-30 17079 Modoc On the north side of a wash, about 150 yards east of the fence, south edge of the meadow, Ash Creek State Wildlife Area, 2300 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  CHSC117261  Lepidium campestre Lowell Ahart; John Dittes 2016-7-14 21162 Modoc West side of a new pond, south of Ash Creek Canal (now filled in), south of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. 1273 Comment
  UC71710  Lepidium densiflorum Mrs. M. H. Manning 1902-10-4 51 Modoc Surprise Valley 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
  JEPS53644  Lepidium montanum Mrs. R. M. Austin 1888-1 336 Modoc s of Alturas; Pit River Comment
  UC398778  Lepidium montanum var. canescens Mrs. Austin 1888-1 336 Modoc s of Alturas; Pit River Comment
  CAS-BOT-BC58347  Lepidium perfoliatum F. Angwin 1945-10-7 Modoc Big Valley near Adin. 1280 Comment
  CAS-BOT-BC190633  Leptodactylon pungens John H. Hatton 1911-6-20 134 Modoc Modoc County. 1524 Comment
  UC23808  Leptodactylon pungens Milo S. Baker 1893-6 Modoc Comment
  CHSC109896  Leptosiphon harknessii B. Castro; L. P. Janeway 2012-7-26 1969 Modoc Warner Mountains. At Little Lily Lake, 1.5 air mi N of Mt. Vida. 2254 Comment
  CHSC114021  Leptosiphon harknessii L. P. Janeway 2014-7-7 11444 Modoc Warner Mountians. 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
  RSA101370  Leptosiphon harknessii R. Weatherby 1955-7-8 1612 Modoc Northern Warner Mountains: 7 miles north of Ft. Bidwell 1875 Comment
  RSA601530  Leptosiphon harknessii L. C. Wheeler 1935-8-16 3868 Modoc Dismal Swamp, Twenty Mile Creek. Warner Mountains. Mt. Diablo Mer. 2226 Comment
  SJSU9559  Leptosiphon harknessii W. Savage 1979-7-3 1299 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  POM96125  Lesquerella occidentalis Mrs. R. M. Austin, Bruce 1898-06 s.n. Modoc Lake City Mt, near Davis Creek. Comment
  SEINET4889189 Image available Leucanthemum vulgare Margaret J. Williams 1984-1 84- 70 -2 Modoc North of Alturas on Hwy 395, almost to Oregon border 1432 Comment
  CAS-BOT-BC242083  Leucocrinum montanum Bruce Bartholomew; Mona Bourell 1990-4-27 5180 Modoc Vicinity of Lower Cummings Reservoir, 5 km NW of Hwy 299 on Crowder Flat Rd. 1540 Comment
  HSC15562  Leucocrinum montanum M. T. Milligan 1966-5-14 607 Modoc Plateau W of Jess Valley 1829 Comment
  HSC15583  Leucocrinum montanum M. T. Milligan 1964-4-25 Modoc S of Lower Cummings Reservoir Comment
  UCD138434  Leucocrinum montanum Frank C. Vasek 1975-5-21 s.n. Modoc Crowder Flat Road, ca. 2 miles south of Crowder Flat Guard Station at Hag Valley (ca. 12 miles west of Goose Lake and ca. 7 miles south of Oregon border), Modoc National Forest. Comment
  CAS-BOT-BC197458  Lewisia nevadensis Bruce Bartholomew 1991-7-7 6005 Modoc Pot Hole Spring. 1890 Comment
  CAS-BOT-BC197459  Lewisia nevadensis Bruce Bartholomew 1994-7-3 6833 Modoc Edge of Dismal Swamp, N end of Warner Mountains. 2180 Comment
  CAS-BOT-BC197462  Lewisia nevadensis Elmer Ivan Applegate 1932-8-1 8024 Modoc Summit of Warner Mts. just S of Warren Peak. Comment
  HSC25979  Lewisia nevadensis D. H. Norris, S. Dowty, Thomas W. Nelson 1971-6-22 19347 Modoc Soup Springs Campground Comment
  UC7807  Lewisia nevadensis Mrs. R. M. Austin and Bruce June 1898 2149 Modoc Benton Meadows Comment
  CAS-BOT-BC197484  Lewisia rediviva Leland S. Smith 1919-6-5 1122 Modoc Deep Creek near station. 1524 Comment
  UC7812  Lewisia rediviva Milo S. Baker 1893-7-3 Modoc near Lookout; Big Valley 1219 Comment
  HSC80771  Lewisia rediviva G. M. Riegel 1980-6-30 786 Modoc S Warner Mtns. 1829 Comment
  JEPS43175  Lewisia rediviva Frances D. Payne 1929-6-23 25 Modoc Parker Creek Warner Mountains, Parker Creek 1584 Comment
  UC748279  Lewisia rediviva Annie M. Alexander and Louise Kellogg 1946-6-14 4744 Modoc on small flat, Patterson Mill Road se corner of county 1341 Comment
  NY497625  Lewisia triphylla B. M. Bartholomew 1990-7-20 5525 Modoc Tamarack Flat, east side of Warner Mountains. 2150 Comment
  CAS-BOT-BC247635  Leymus cinereus Bruce Bartholomew 1991-6-22 5839 Modoc Surprise Valley, 5.6 km E of Eagleville. 1370 Comment
  POM201805  Leymus cinereus Frances D. Payne 78 Modoc Warner Mts. Comment
  SEINET190941  Leymus cinereus A. A. Beetle 1941-6-29 2841 Modoc 15 miles east of Alturas on road to Cedarville Pass 1372 Comment
  SEINET3263208 Image available Leymus cinereus A. A. Beetle 1941-6-29 2841 Modoc 15 miles east of Alturas on road to Cedarville Pass 1370 Comment
  CAS-BOT-BC436039  Ligusticum grayi Elmer I. Applegate 1932-8-2 8077 Modoc Mill Creek Meadows, western slope of Warner Mountains Comment
  CAS-BOT-BC242067  Lilium washingtonianum Bruce Bartholomew 1989-7-14 4928 Modoc Along Rush Creek between Lower and Upper Rush Creek Campgrounds. 1580 Comment
  CAS-BOT-BC242070  Lilium washingtonianum Bruce Bartholomew 1989-7-14 4928 Modoc Along Rush Creek between Lower and Upper Rush Creek Campgrounds. 1580 Comment
  RSA210888  Limosella acaulis Robert F. Thorne, James Henrickson, C. W. Tilforth 1969-9-4 39119 Modoc N Fork of Pit River 3.4 mi N of Alturas where crossed by Highway 395. 1341 Comment
  POM228990  Limosella aquatica Louis C. Wheeler 1935-8-14 3856 Modoc Cave Lake, Pine Creek, Warner Mtns. (Mt Diablo Mer.) 2073 Comment
  UC449824  Linanthus ciliatus Franklin P. Nutting Modoc near Egg Lake; Lava Comment
  CAS-BOT-BC198035  Linanthus harknessii Louis Cutter Wheeler 1935-8-16 3868 Modoc Dismal Swamp. 2225 Comment
  CAS-BOT-BC198036  Linanthus harknessii Annie Montague Alexander; L. Kellogg 1946-7-10 4954 Modoc Eight Mile Creek. 1752 Comment
  CAS-BOT-BC198042  Linanthus harknessii Margaret J. Williams 1983-7-29 83- 116 -8 Modoc 1.1 mi. N of Stowe Reservoir Campground. 2087 Comment
  CAS-BOT-BC198046  Linanthus harknessii M. Vasey 1990-6-30 9037 Modoc 0.2 mi from Junction of Lava Camp Road and road to Egg Lake. 1300 Comment
  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
  CAS-BOT-BC198027  Linanthus nuttallii subsp. nuttallii Leland S. Smith 1918-7-13 991 Modoc Mill Creek, Nevada Sheep Range. 2133 Comment
  UC190693  Linanthus nuttallii subsp. nuttallii M. F. Gilman 645 Modoc Comment
Read comments
May 31 2009
  CDA37693  Linaria dalmatica Robin Breckenridge 2005-6-18 s.n. Modoc New Pine Creek, along Highway 395 near California/Oregon border. 0 Comment
  CAS-BOT-BC229895  Linaria dalmatica subsp. dalmatica W. T. Parsons; Thomas C. Fuller 1960-7-27 4875 Modoc Lassen Creek, near Sugar Hill Planting. Comment
  CAS-BOT-BC179155  Linum lewisii Ethel S. Willits 1940-6-5 325 Modoc Canby. Comment
  CAS-BOT-BC179168  Linum lewisii John Thomas Howell 1934-6-11 11933 Modoc Parker Creek. 1584 Comment
  UC571114  Linum lewisii F. H. Frost 1925-7-27 174 Modoc Warner Mountains, Clear Lake Clear Lake; Warner Mountains, Clear Lake Comment
  CHSC112754  Linum lewisii var. lewisii Lowell Ahart; John Dittes 2013-7-25 18948 Modoc Meadow, 10 yards north of the east-west fence, south edge of Ash Creek Floodplain, northeast of Patterson Homestead, east of Elkins Lane, 1.0 mile (air) south of County Road 87, 3.14 miles (air) west of Adin, Big Valley. 1267 Comment
  UC1587055  Lithophragma glabrum G. Schoolcraft 1991-5-15 2137 Modoc w of highway about 6.5 mi n Lookout 1341 Comment
  UC585058  Lithophragma glabrum E. B. Babcock and G. L. Stebbins Jr. 1936-6-9 1839 Modoc Summit of Cedar Pass; Warner Mts., summit of Cedar Pass 1920 Comment
  CAS-BOT-BC317342  Lithophragma glabrum Florence Angwin 1946-4-12 s.n. Modoc Big Valley near Adin 1280 Comment
  JEPS27156  Lithophragma glabrum Lauramay T. Dempster 1961-6-19 1705 Modoc e Davis Creek (town) (headwaters of the South Fork of Davis Creek); headwaters of South Fork of Davis Creek 2286 Comment
  CAS-BOT-BC225829  Lithophragma parviflorum Bruce Bartholomew 1991-6-20 5792 B Modoc Fox Mountain Spring, ca. 10 km NW of Adin. 1620 Comment
  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
  UC190608  Lithophragma parviflorum M. F. Gilman 543 Modoc Comment
  UC402494  Lithophragma parviflorum M. F. Gilman 620 Modoc 1524 Comment
  UCR87506  Lithophragma tenellum George K. Helmkamp, E. A. Helmkamp 1993-5-4 s.n. Modoc 25.6 miles NW of Canby along Calif. Hwy 139 1280 Comment
  UC24881  Lithospermum californicum Milo S. Baker 1893-6-20 Modoc Comment
  CAS-BOT-BC54034  Lithospermum ruderale C. L. Hitchcock 1940-5-27 6654 Modoc 9 mi. NE of Alturas. 1402 Comment
  CAS-BOT-BC54039  Lithospermum ruderale Gordon H. True 1964-6-3 1436 Modoc No. Fork Pit River between Alturas & Goose Lake. 1432 Comment
  RSA531361  Lithospermum ruderale Bruce Bartholomew, B. Anderson 1989-4-27 4636 Modoc Ryan Canyon, 6km NW of Adin on road to Dutch Flat. 1370 Comment
  RSA59863  Lithospermum ruderale E. K. Balls 1950-5-11 14614 Modoc 2 miles N of Lake City. W of Upper Alkali Lake. 1418 Comment
  CAS-BOT-BC21448  Lomatium bicolor var. leptocarpum Francis Dorris Payne 1932-6-10 628 Modoc Parker Creek. 1584 Comment
  HSC28527  Lomatium bicolor var. leptocarpum D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19397 Modoc Along Hager Basin Rd. near Big Sage Reservoir. Comment
  RSA245271  Lomatium bicolor var. leptocarpum D. H. Norris, T. Nelson, S. Dowty 1971-6-23 19397 Modoc Along Hager Basin Road near Big Sage Reservoir Comment
  UC585104  Lomatium dissectum var. multifidum E. B. Babcock and G. L. Stebbins Jr. 1936-6-9 1812 Modoc ca. 3 mi. w. Cedarville (Cedar Creek Canyon, Warner Mts.); Warner Mts., Cedar Creek Canyon Comment
  CAS-BOT-BC497342  Lomatium grayi G. Schoolcraft 1999-7-13 2866 Modoc Warner Mts. N of Stowe Reservoir 1981 Comment
  RSA59732  Lomatium macrocarpum E. K. Balls 1950-5-13 14670 Modoc West shore of Goose Lake, 0.5 mile south of Oregon-California State line 1463 Comment
  CAS-BOT-BC30138  Lomatium macrocarpum R. M. Austin; C. C. (Mrs.) Bruce 1898-6-1 2285 Modoc Goose Lake. Comment
  HSC21526  Lomatium macrocarpum R. C. Wunner 1965-7-1 320 Modoc Lava Beds National Monument, top of Gillem's Bluff near N.W. entrance 1372 Comment
  HSC21541  Lomatium nevadense M. T. Milligan 1966-3-18 452 Modoc N end Jess Valley 1616 Comment
  NY1066292  Lomatium nevadense B. M. Bartholomew 1989-4-29 4669 Modoc 6.4 km E of Fort Bidwell on road to Fee Reservoir, NE corner of Surprise Valley. 1460 Comment
  RSA164355  Lomatium nevadense Clare B. Hardham 1961-6-18 7590 Modoc Cedar Pass. 1829 Comment
  UC20792  Lomatium nudicaule Mrs. R. M. Austin and Bruce June 1898 2287 Modoc Goose Lake Valley Comment
  SEINET8802402  Lomatium nudicaule R. R. Halse 1976-6-13 1400 Modoc Modoc National Forest, Upper Rush Creek Campground 1585 Comment
  UC106271  Lomatium nudicaule Mrs. R. M. Austin 153 Modoc Lava Beds Comment
  CAS-BOT-BC497467  Lomatium triternatum Margaret J. Williams 1988-5-30 88- 26 -6 Modoc Jess Valley, E of Likely, S of roadside rest. 1524 Comment
  RSA554803  Lomatium triternatum Margaret J. Williams 1988-5-28 88- 19 -1 Modoc Highway 395, intersection with Davis Creek Road Comment
  UC106266  Lomatium triternatum var. macrocarpum Mrs. R. M. Austin 1894-1 78 Modoc Lava Beds w. Willow Creek; Lava Beds Comment
  CAS-BOT-BC21410  Lomatium triternatum var. triternatum Roxana Stinchfield Ferris; R. Duthie 1919-6-14 84 Modoc Above Parker Creek, 1.5 mi. above Modoc National Forest boundary. Comment
  CAS-BOT-BC21411  Lomatium triternatum var. triternatum Mrs. H. C. Cantelow 1940-5-31 4508 Modoc 3 mi. E of Canby. Comment
  CAS-BOT-BC21412  Lomatium triternatum var. triternatum Francis Dorris Payne 1931-6-18 197 Modoc Parker Creek. 1584 Comment
  CAS-BOT-BC21426  Lomatium triternatum var. triternatum Alice Eastwood; John Thomas Howell 1940-6-12 8087 Modoc Jess Valley. Comment
  UC748407  Lomatium triternatum var. triternatum Annie M. Alexander and Louise Kellogg 1946-6-27 4842 Modoc top of ridge 2 mi. by rd. from Dismal Swamp (Highgrade, n. end Warner Mts.); n. end Warner Mts., Highgrade 2377 Comment
  SEINET11131297  Lomatium triternatum var. triternatum M. J. Williams, T. Holcomb, B. Holcomb, L. Saxton 1988-5-28 88191 Modoc Hwy 395, intersection with Davis Creek Road Comment
  CAS-BOT-BC21396  Lomatium vaginatum Lincoln Constance; E. DiFulvio 1962-4-16 3750 Modoc 3.2 mi. N of Likely. 1310 Comment
  RSA0049633  Lomatium vaginatum Dean Wm. Taylor 2012-6-5 21223 Modoc Vicinity Crank Spring (11 air miles North of Lookout) 1365 Comment
  UC106268  Lomatium vaginatum Mrs. R. M. Austin 1894-1 74 Modoc Goose Lake Valley Comment
  UC1561209  Lomatium vaginatum Barbara Ertter 1989-5-2 8433 Modoc on Hwy 395 n.e. <Alturus> (2.9 mi. n. of junction to Cedarville (Rt. 299)) 1402 Comment
  UC102335  Lonicera involucrata var. involucrata Mrs. R. M. Austin July 1894 152 Modoc Lassen Creek Comment
  CHSC116081  Lotus corniculatus Lowell Ahart; John Dittes 2015-7-16 20379 Modoc North edge of Ash Creek (destroyed) southeast of gravel pit (destroyed), about 1/8 mile east of parking area on east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  NY704620  Lotus denticulatus J. T. Howell 1934-6-11 11938 Modoc Parker Creek, Warner Mountains 1585 Comment
  UC15562  Lotus denticulatus Milo S. Baker 1893-6-28 Modoc near Pitt River Comment
  CAS-BOT-BC181936  Lotus purshianus var. purshianus Bruce Bartholomew; Barrett Anderson 1988-6-23 4223 Modoc 2.1 km SSE of Day on the road to State Highway 299. 1020 Comment
  CAS-BOT-BC181945  Lotus purshianus var. purshianus Bruce Bartholomew 1989-8-10 5039 Modoc Little Hot Spring Valley, 3.2 km NW of Day. 1070 Comment
  CHSC106331  Lotus purshianus var. purshianus Lowell Ahart; John Dittes 2010-8-30 17068 Modoc About 5 yards east of fence, south edge of the meadow, Ash Creek State Wildlife Area, 2300 feet north of Lassen County line, 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  CAS-BOT-BC181932  Lupinus Clare Butterworth Hardham 1961-6-19 7837 Modoc Davis Creek. 1676 Comment
  CAS-BOT-BC181935  Lupinus C. P. Smith 1947-6-13 47459 Modoc Highway 395, Pine Creek (town), 6.2 mi. S. Comment
  CAS-BOT-BC498665  Lupinus C. B. Wolf 1931-9-4 2398 Modoc At Canby 1325 Comment
  RSA554810  Lupinus Margaret J. Williams, Thad Holcomb, Betty Holcomb, Lois Saxton 1988-5-28 88- 24 -1 Modoc Grade up to Crowder Flat from Hwy 229, W of Alturas. 1479 Comment
  CAS-BOT-BC181907  Lupinus arbustus Mrs. H. C. Cantelow 1940-5-31 Modoc East of Indian Springs Comment
  NY732851  Lupinus arbustus subsp. calcaratus H. C. Cantelow 1940-5-31 s.n. Modoc [perhaps 8 or 8.?] miles east of Indian Springs Comment
  POM275211  Lupinus arbustus subsp. calcaratus Louise Kellogg, A. M. Alexander 1946-7-17 5004 Modoc Benton Meadow, Warner Mountains. 2073 Comment
  CAS-BOT-BC497327  Lupinus arbustus var. arbustus John Thomas Howell 1934-6-14 12120 Modoc Near Lost Lake, Warner Mts. 2438 Comment
  CAS-BOT-BC182194  Lupinus argenteus John Thomas Howell 1934-6-15 12183 Modoc Alturas. Comment
  CAS-BOT-BC182218  Lupinus argenteus H. P. Bracelin 1931-6-30 500 Modoc S end of Alturas. 1524 Comment
  CAS-BOT-BC182219  Lupinus argenteus H. P. Bracelin 1931-6-30 500 Modoc S end of Alturas. 1524 Comment
  SEINET3145124  Lupinus argenteus L. S. Rose 1940-6-14 40564 Modoc Kelly Hot Springs 1341 Comment
  NY733047  Lupinus argenteus var. argenteus N. F. Bracelin 1931-6-30 500 Modoc Alturas. Open field at south end of town 1524 Comment
  NY736759  Lupinus argenteus var. argenteus R. J. Weatherby 1955-7-8 1635 Modoc 3 miles north of Fort Bidwell, northern Warner Mountains 1554 Comment
  RSA11959  Lupinus argenteus var. argenteus Elmer I. Applegate 1929-6-24 5885 Modoc Between Lookout and Aden, upper Pitt River region. Comment
  POM253252  Lupinus argenteus var. argenteus A. A. Heller 1938-6-24 15222 Modoc Between Alturas and Canby. 1341 Comment
  CAS-BOT-BC182101  Lupinus argenteus var. heteranthus Bruce Bartholomew 1990-8-4 5634 Modoc Crest of the Warner Mts., ca. 0.5 km SE of Patterson Lake along Summit Trail. 2770 Comment
  CAS-BOT-BC182103  Lupinus argenteus var. heteranthus Roxana Stinchfield Ferris; L. Lorraine 1941-8-14 10598 Modoc 5.5 mi. from Patterson Ranger Station on Eagleville Road, Warner Mts. Comment
  CAS-BOT-BC182111  Lupinus argenteus var. heteranthus R. M. Austin 1898-7-1 2143 Modoc Modoc County. Comment
  CAS-BOT-BC182121  Lupinus argenteus var. heteranthus Elmer Ivan Applegate 1929-6-24 5895 Modoc Along road between Alturas and Davis Creek. Comment
  JEPS119664  Lupinus argenteus var. heteranthus Lowell Ahart, John Dittes 2012-7-11 18338 Modoc About 1/8 mile east of the parking area on the east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. Comment
  NY736941  Lupinus argenteus var. heteranthus B. M. Bartholomew 1990-6-17 5298 Modoc Along Emerson Creek, 3.9 km southwest of County Road 1, east side of Warner Mountains 1700 Comment
  UC710955  Lupinus argenteus var. heteranthus C. L. Hitchcock 1940-5-27 6653 Modoc 9 mi ne Alturas; ne of Alturas 1402 Comment
  JEPS65347  Lupinus bicolor Leland S. Smith 1918-5-2 918 Modoc hills around Adin; Modoc National Forest, hills around Adin 1981 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
  POM266088  Lupinus caudatus C. Leo Hitchcock 1940-5-27 6653 Modoc 9 miles northeast of Alturas. 1402 Comment
  CAS-BOT-BC181887  Lupinus latifolius C. L. Hitchcock 1940-5-27 6664 Modoc 15 mi. NW of Alturas. 1615 Comment
  NY747140  Lupinus latifolius var. barbatus B. Anderson 1986-7-9 3169 Modoc Warner Mountains. Stough Reservoir Rd just east of Cedar Pass near Stough Reservoir 1965 Comment
  UC127014  Lupinus latifolius var. viridifolius Mrs. Austin and Mrs. Bruce July 1898 Modoc Fields Comment
  UCD108243  Lupinus lepidus var. confertus Craig Ely 1975-7-10 s.n. Modoc 30 miles s.e. of Tulelake. 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-BC181863  Lupinus lepidus var. sellulus Bruce Bartholomew 1990-6-15 5235 Modoc SE corner of Sweagert Flat. 1860 Comment
  UC15912  Lupinus leucophyllus Milo S. Baker 1893-6-20 Modoc Comment
  NY747370  Lupinus leucophyllus var. leucophyllus K. Paulson 1988-6-19 43 Modoc Cottonwood Flat 1524 Comment
  NY747378  Lupinus leucophyllus var. leucophyllus K. Paulson 1989-7-2 160 Modoc Cottonwood Flat 1448 Comment
  UC199285  Lupinus microcarpus var. densiflorus M. F. Gilman 562 Modoc Comment
Read comments
Jan 12 2007
  UC725357  Lupinus microcarpus var. microcarpus A. A. Heller 1941-6-26 16212 Modoc along U.S. Highway #299, 8 mi w Alturas; w of Alturas Comment
  SEINET8061400  Lupinus polyphyllus var. saxosus M. J. Williams 1988-5-30 88- 22 -1 Modoc Crowder Flat road, NW of Alturas 1524 Comment
  HSC14935  Lupinus pusillus subsp. intermontanus M. T. Milligan 1964-6-6 11 Modoc N side of Dorris Reservoir along shore 1372 Comment
  RSA60328  Lupinus ruber E. K. Balls 1950-5-10 15965 Modoc 0.5 miles past fork of 395 and road to Cedarville, from Alturas. 1585 Comment
  CAS-BOT-BC181818  Lupinus saxosus Edward Kent Balls 1950-5-10 15965 Modoc 0.5 mi. past fork of Hwy 395 and road from Alturas to Cedarville. 1584 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
  UC1129699  Lupinus saxosus R. C. Wilson 1933-5-25 29 Modoc 1 mi sw Hanging Rock; Modoc National Forest, Canby Quad. Comment
  SEINET10486205  Lupinus saxosus James P. Smith, John O. Sawyer 1972-5-6 Smith, Jr. 5274 Modoc Along state route 299; 4 mi w of modoc co rd 58 e of alturas. Northern juniper Woodland. 1494 Comment
  SJSU13957  Lupinus saxosus N. A. Hopkins 1985-5-14 1274 Modoc between Alturas & Cedarville, Warner Mts 1524 Comment
  UC126931  Lupinus saxosus Mrs. R. M. Austin and Bruce 1898-5-9 9140 Modoc Fields (possibly not a place name) Fields Comment
  JEPS106999  Lupinus uncialis Michael P. Dolan 2002-6-4 s.n. Modoc 6 miles SSW from Alturas 1426 Comment
  NY850321  Lythrum tribracteatum H. L. Mason 1947-7-10 13324 Modoc Dorris Reservoir, 2 miles east of Alturas Comment
  RSA0016026  Lythrum tribracteatum L. Ahart, John Dittes 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
  UCD169851  Lythrum tribracteatum Lowell Ahart; John Dittes 2010-8-30 17055 Modoc Ash Creek State Wildlife Area, 2,300 feet north of the Lassen County Line, about 3.6 miles(air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley. North side of a small wash, about 10 yards west of the fence, south edge of the meadow, 1267 Comment
  HSC28864  Madia citriodora D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19482 Modoc Upper Rush Creek Campground, about 8 mi. N of Adin on Hwy. 299 Comment
  UC54067  Madia citriodora H. M. Hall and E. B. Babcock 1903-6-21 4248 Modoc lava beds of sw Modoc County; Sierra Nevada Mountains 1219 Comment
  CAS-BOT-BC49433  Madia elegans K. Paulson; Robert Paulson 1988-6-19 37 Modoc W of Cranby Bridge. 1310 Comment
  CAS-BOT-BC49434  Madia exigua David Daniels Keck; Jens Chr. Clausen 1935-6-24 3718 Modoc 9 mi. S. of New Pine Creek & 0.5 mi N of Buck's Ranger Station. 1524 Comment
  CAS-BOT-BC49437  Madia exigua Bruce Bartholomew; Barrett Anderson 1988-6-23 4225 Modoc 2.1 km SSE of Day on the road to State Highway 299. 1020 Comment
  CAS-BOT-BC49439  Madia exigua Bruce Bartholomew 1990-6-18 5381 Modoc Turner Creek at County Rd 90, N end of Big Valley, 6.4 km N of Lassen County border. 1230 Comment
  CAS-BOT-BC49402  Madia glomerata Francis Dorris Payne 1934-8-1 Modoc Parker Creek. 1584 Comment
  UCR57895  Madia glomerata R. D. Goeden, Don W. Ricker 1989-8-23 890823- 21 Modoc Warner Mtns., Modoc National Forest, Fandango Pass Rd, near Warner Mtn, west of Pass 1616 Comment
  RSA608434  Madia glomerata L. C. Wheeler 1935-8-27 3923 Modoc 1 mile east of South Mountain, Devil's Garden 1524 Comment
  CAS-BOT-BC49415  Madia gracilis Annie Montague Alexander; L. Kellogg 1946-7-10 4956 Modoc Eight Mile Creek, NE corner of county 1752 Comment
  JEPS5997  Madia gracilis Frances D. Payne 1935-7-6 783 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  RSA101499  Mahonia repens R. Weatherby 1955-7-7 1605 Modoc 8 mi. north of Ft. Bidwell, Warner Mts. 1951 Comment
  CAS-BOT-BC242040  Maianthemum racemosum M. M. Hanna 1956-6-5 976 Modoc Cedar Pass. Comment
  CAS-BOT-BC242164  Maianthemum stellatum Alice Eastwood; John Thomas Howell 1940-6-12 8055 Modoc Between Likely and Jess Valley. Comment
  UCD139122  Maianthemum stellatum Verne Grant; Irving Schneider 1947-7-22 8141 Modoc North Fork of Pit River on Highway 395, about one mile north of junction with Cedarville road. Comment
  CAS-BOT-BC49384  Malacothrix glabrata Bruce Bartholomew 1993-6-13 6628 Modoc Near Fortynine Creek, E of Cedarville on E side of Surprise Valley. 1400 Comment
  CAS-BOT-BC49387  Malacothrix sonchoides Bruce Bartholomew 1992-5-15 6290 Modoc Along Sand Creek in hills on the E side of Surprize Valley, E the N end of Middle Alkali Lake. 1410 Comment
  CAS-BOT-BC49389  Malacothrix sonchoides Bruce Bartholomew 1991-6-22 5845 Modoc E side of Surprise Valley, 9.6 km E of Eagleville at the Nevada border. 1520 Comment
  HSC15983  Malva neglecta M. T. Milligan 1965-7-11 446 Modoc N end of Jess Valley 1616 Comment
  JEPS68660  Malva neglecta W. L. Jepson 1918-8-6 7852 Modoc near Fort Bidwell (in Surprise Valley); Surprise Valley 1447 Comment
  RSA152606  Malva neglecta I. L. Wiggins, Dorothy Wiggins 1961-6-12 16402 Modoc Shoulders of road along Thomas as Creek, 6.1 miles E. of California State Highwayt 299, along Cedar Pass Road, Modoc County. Comment
  CAS-BOT-BC71147  Marsilea Herbert L. Mason; Verne Grant 1947-7-10 13350 Modoc Dorris Reservoir, 2 miles east of Alturas Comment
  CHSC116069  Medicago lupulina Lowell Ahart; John Dittes 2015-7-16 20386 Modoc North edge of Ash Creek (destroyed), southeast of gravel pit (destroyed), about 1/8 mile east of parking area on east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  CAS-BOT-BC247627  Melica bulbosa Leland S. Smith 1917-6-21 53 Modoc South Fork Fitzhugh Creek. 1981 Comment
  JEPS74032  Melica bulbosa Frances D. Payne 1932-7-1 663 Modoc 2 mi sw Mt. Warren (se Modoc County); Pine Creek Basin 2316 Comment
  UC1024856  Melica bulbosa Leo Whitney 1935-7-6 3186 Modoc 2 mi n Hole-in-the-rock (ca 18 mi wnw of Canby) Comment
  SEINET191484 Image available Melica stricta var. stricta M. Ownbey, FG Meyer 1940-7-1 2152 Modoc Cedar Peak Warner Mts. Comment
  CHSC100385  Melilotus albus Lowell Ahart; John Dittes 2008-8-25 15305 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
  HSC15030  Melilotus officinalis M. T. Milligan 1965-6-26 338 Modoc N end Jess Valley. 1616 Comment
  CHSC106325  Mentha arvensis Lowell Ahart; John Dittes 2010-8-31 17114 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
  JEPS63462  Mentha canadensis W. L. Jepson 1918-8-11 7944 Modoc Jess Valley 1584 Comment
  CAS-BOT-BC179134  Mentzelia dispersa Bruce Bartholomew 1990-6-17 5333 Modoc Surprise Valley, at the W side of Middle Alkali Lake, directly E of Cedarville. 1370 Comment
  UC71729  Mentzelia dispersa Mrs. M. H. Manning Jun 1903 159 Modoc Mt. Ridwell Comment
  RSA69712  Mentzelia dispersa F. W. Peirson 1926-6-26 6899 Modoc Roadside, Alturas to Canby. Comment
  UCSB11829  Mentzelia dispersa Haller, John 1961-6-25 Modoc Patterson Campground at Patterson Ranger Station, Eagleville-Likely road, about 3.5 mi. W of crest of Warner Mountains 2194 Comment
  JEPS42866  Mentzelia laevicaulis var. laevicaulis W. L. Jepson 1918-8-9 7924 Modoc Lake City 1463 Comment
  CAS-BOT-BC179121  Mentzelia montana Bruce Bartholomew; Barrett Anderson 1989-4-29 4696 Modoc E side of Surprise Valley, just W of the Nevada border and ca. 15 km E of Cedarville. 1500 Comment
  CAS-BOT-BC179123  Mentzelia montana Annie Montague Alexander; L. Kellogg 1946-7-7 4946 Modoc Eight Mile Creek. 1752 Comment
  CAS-BOT-BC179113  Mentzelia veatchiana Bruce Bartholomew 1991-6-22 5836 Modoc E slope of S end of Warner Mountains, 3.4 km SW of County Road 1 on road to Patterson. 1620 Comment
  UC1063982  Mertensia ciliata R. C. Wilson 1933-6-5 40 Modoc Pothole Gulch 1310 Comment
  RSA149068  Mertensia ciliata var. stomatechoides I. L. Wiggins, Dorothy Wiggins 1961-6-14 16479 Modoc Along Lassen Creek along road to Davis Creek, Warner Mountains. Comment
  CAS-BOT-BC54001  Mertensia longiflora Francis Dorris Payne 1932-5-27 408 Modoc Parker Creek. 1584 Comment
  CAS-BOT-BC54002  Mertensia longiflora Bruce Bartholomew; Barrett Anderson 1988-5-13 4153 Modoc Along Parker Creek Road, 0.5 km W of West Warner Road on Parker Creek Road, W side of the Warner Mts.. 1650 Comment
  RSA152439  Mertensia oblongifolia I. L. Wiggins, Dorothy Wiggins 1961-6-12 16431 -A Modoc Mountainside near summit of Cedar Pass, between Alturas and Cedarville Comment
  JEPS6029  Mertensia oblongifolia var. amoena Frances D. Payne 1929-7-7 57 Modoc 2 mi. s.w. Warren Peak (Pine Creek Basin, Warner Mts.); Warner Mts., Pine Creek Basin 2133 Comment
  CAS-BOT-BC54015  Mertensia oblongifolia var. nevadensis Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16431 A Modoc Near summit of Cedar Pass. 1943 Comment
  RSA534714  Mertensia oblongifolia var. nevadensis Bruce Bartholomew 1991-6-21 5802 Modoc Vicinity of Lily Lake, N end of the Warner Mountains. 2030 Comment
  CAS-BOT-BC49355  Microseris nutans Bruce Bartholomew 1990-6-17 5299 Modoc Vicinity of Emerson Camp near roadhead, E side of Warner Mts. 1750 Comment
  CHSC67085  Microseris nutans James D. Jokerst 1987-5-12 2843 Modoc Radar Survey Site S of Doublehead Mtn., N end of central sector. Comment
  POM203847  Microseris nutans J. T. Howell 1934-6-13 12051 Modoc Fandango Pass, Warner Mountains. 1829 Comment
  RSA540076  Microseris nutans Bruce Bartholomew, B. Anderson 1989-6-2 4782 Modoc Top of Fandango pass, Warner Mountains 1870 Comment
  HSC17123  Microsteris gracilis M. T. Milligan 1966-5-14 612 Modoc Plateau W of Jess Valley 1829 Comment
  POM204117  Microsteris gracilis subsp. gracilis J. T. Howell 1934-6-12 12023 Modoc Warner Mountains: Plum Valley Comment
  CDA41657  Mimulus breviflorus S. E. Schoenig 1998-7-5 98 -68 Modoc West of railroad tracks, 1 mile north of Sagehen Summit, 20 meters east of Highway 395. Comment
  SEINET3365878 Image available Mimulus breweri Arthur Cronquist, Arthur H. Holmgren 1959-6-20 8520 Modoc Cedarville Pass; Warner Mountains between Cedarville and Alturas 1920 Comment
  JEPS3552  Mimulus cusickii G. Dallas Hanna 1952-9-20 Modoc Conklin Canyon Warner Mountains Comment
  JEPS127156  Mimulus evanescens Lowell Ahart, John Dittes 2016-7-16 21249 Modoc South of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.75 miles (air) west of Adin, Big Valley. Comment
  HSC26578  Mimulus guttatus D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19484 Modoc Upper Rush Creek Campground, about 8 mi. N of Adin on Hwy. 299 Comment
  HSC80802  Mimulus guttatus G. M. Riegel 1980-7-2 813 Modoc S Warner Mtns. 2100 Comment
  JEPS11393  Mimulus guttatus W. L. Jepson 1918-8-7 7853 Modoc Mt. Bidwell Warner Mts. 1798 Comment
  RSA59437  Mimulus guttatus E. K. Balls 1950-5-10 14602 Modoc Menlo Baths, west of Lower Alkali Lake. 1433 Comment
  RSA584828  Mimulus latidens Bruce Bartholomew 1993-6-12 6577 Modoc Road to Day Rock from Little Hot Spring Valley. 1250 Comment
  JEPS10992  Mimulus lewisii L. S. Smith 1917-7-29 884 Modoc Mill Creek warner Mts. 1981 Comment
  JEPS10781  Mimulus moschatus W. L. Jepson 1918-8-7 7855 Modoc Mt. Bidwell Warner Mts. 2072 Comment
  UC76061  Mimulus moschatus Milo S. Baker July, 1898 545 Modoc Forestdale Comment
  UC1063559  Mimulus nanus var. nanus R. C. Wilson 1933-6-11 44 Modoc Rush Creek Camp Modoc National Forest, Alturas Quadrangle Comment
  UCR72552  Mimulus nanus var. nanus D. M. Thompson 1988-6-2 925 Modoc c. 6.8 mi NW of Canby. ).1 mi SE of turnoff for Howard's Gulch Campground along Hwy 139 1500 Comment
  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
  JEPS27799  Mimulus primuloides subsp. primuloides Frances D. Payne 1931-6-30 248 Modoc sw Warren Peak; Warner Mountains, Pine Creek Basin 2316 Comment
  RSA535784  Mimulus pygmaeus David M. Thompson 1988-6-3 927 Modoc Egg Lake, S end between Kramer Reservoir and White Horse Lookout road along intermittent stream, 2.3 miles W of railroad crossing. 1330 Comment
  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
  CAS-BOT-BC95212  Minuartia nuttallii Elmer Ivan Applegate 1932-8-1 8018 Modoc W slope of Warner Mts., S of Warren Peak. Comment
  UCSB48513  Minuartia nuttallii Hardham, Clare 1961-6-20 Modoc Bidwell road to Dismal Creek 2438 Comment
  RSA165438  Minuartia nuttallii subsp. gracilis Clare B. Hardham 1961-6-20 7886 Modoc Bidwell Road to Dismal Creek. 2439 Comment
  JEPS120494  Minuartia nuttallii var. gracilis L. P. Janeway, B. Castro 2012-7-26 11008 Modoc Warner Mountains. Top of Yellow Mountain; topmost part and western edge (at the edge of a steep dropoff to the northwest). Comment
  CAS-BOT-BC225808  Mitella pentandra Bruce Bartholomew 1994-7-2 6784 Modoc 5.0 km SE of Joseph Creek Basin on the W side of the Warner Mountains. 1930 Comment
  NY758255  Mitella pentandra R. M. Austin 08 1894 s.n. Modoc Lassen Creek Comment
  HSC63629  Monardella glauca J. P. Smith, J. O. Sawyer 1973-8-8 7238 Modoc S slopes of Eagle Peak 2561 Comment
  CAS-BOT-BC179372  Monardella odoratissima subsp. glauca Bruce Bartholomew 1989-7-14 4965 Modoc Survice Gulch ca. 3 km NE of Egg Lake. 1340 Comment
  CAS-BOT-BC179375  Monardella odoratissima subsp. glauca Francis Marion Ownbey 1940-7-1 2150 Modoc Cedar Peak. Comment
  CAS-BOT-BC179855  Monardella odoratissima subsp. glauca Barrett Anderson 1986-7-9 3157 Modoc Hwy 299 just W of Cedar Pass. 1920 Comment
  CAS-BOT-BC179856  Monardella odoratissima subsp. glauca Bruce Bartholomew 1990-8-4 5638 Modoc Top of pass on Summit Trail, ca. 0.5 km SE of Patterson Lake, E side of Warner Mts. 2800 Comment
  CHSC32917  Monardella odoratissima subsp. glauca J. P. Smith; J. O. Sawyer 1973-8-8 7238 Modoc South slopes of Eagle Peak. 2743 Comment
  RSA17430  Monardella odoratissima subsp. glauca Elmer I. Applegate 1932-8-6 8217 Modoc Near summit of Yellow Mountain, near Lily Lake, Bidwell Pass, Warner Mountains. Comment
  CAS-BOT-BC95548  Monolepis nuttalliana John Thomas Howell 1934-6-12 12035 Modoc Plum Valley, Warner Mts. Comment
  CAS-BOT-BC197515  Montia chamissoi Bruce Bartholomew 1991-6-22 5837 Modoc N fork of Barber Creek, E slope of S end of the Warner Mountains. 1660 Comment
  CAS-BOT-BC197516  Montia chamissoi Bruce Bartholomew; Barrett Anderson 1990-7-20 5506 Modoc Tamarack Flat, E side of Warner Mts. 2150 Comment
  CAS-BOT-BC197525  Montia chamissoi Alice Eastwood; John Thomas Howell 1940-6-12 8076 Modoc Between Likely and Jess Valley. Comment
  CAS-BOT-BC197502  Montia linearis Bruce Bartholomew 1991-6-21 5816 Modoc N side of Mud Lake, 5.8 km S of Forest Service road 73 on road to Rim Rock Valley. 1570 Comment
  CAS-BOT-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
  HSC75891  Montia linearis D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19435 Modoc Near Hager Reservoir 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
  SACT001578  Muhlenbergia asperifolia Herbert Mason 1947-8-15 Modoc Mouth of creek on Willow Ranch, east of Goose Lake. Comment
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Aug 21 2013
  SEINET10960336  Muhlenbergia asperifolia Louis C. Wheeler 1935-9-4 Wheeler 3948 Modoc Dry sunny rock crevices in old beach. McGinty Point, Goose Lake. 1463 Comment
  CAS-BOT-BC247565  Muhlenbergia filiformis Leland S. Smith 1917-9-5 154 Modoc Bidwell Creek and High Grade. 2164 Comment
  CAS-BOT-BC247566  Muhlenbergia filiformis Bruce Bartholomew 1992-8-9 6394 Modoc Upper region of Owl Creek drainage, below cliffs, E of Summit Trail, E side of Warner Mountains. 2500 Comment
  JEPS69318  Muhlenbergia filiformis L. S. Smith 1917-9-5 150 Modoc Bidwell Creek Warner Mts. 2164 Comment
  UCD86774  Muhlenbergia jonesii Leo Whitney 1935-8-15 3622 Modoc U.S.B.E. - R. S. -6. Comment
  CAS-BOT-BC247559  Muhlenbergia richardsonis Louis Cutter Wheeler 1935-8-21 3901 Modoc Pine Spring, Devil's Garden. 1524 Comment
  UC1024923  Muhlenbergia richardsonis Leo Whitney 1935-6-29 3355 Modoc ca 15 mi nw Canby; Modoc National Forest, Lake Joaquina, Hackamore 1463 Comment
  UC1560399  Myosotis scorpioides E. Joyal and D. Mehlman 1988-6-28 1288 Modoc Pine Creek e. of New Pine Creek, Oregon; n. Warner Mts., Pine Creek Comment
  CDA37314  Myriophyllum sibiricum B. Villegas 2008-7-24 s.n. Modoc Alturas; Modoc National Wildlife Refuge; Dorris Canal. 0 Comment
  CAS-BOT-BC198017  Navarretia breweri Beecher Crampton 1954-7-7 2144 Modoc W side of Cedar Pass, Warner Mts. 1889 Comment
  SBBG30498  Navarretia breweri D. Myrick 1968-6-20 1978 Modoc Airport Rd, 7 mi N of Alturas 1524 Comment
  UC23411  Navarretia breweri M. S. Baker and Frank Nutting 1894-6-29 Modoc Big Valley Comment
  UC705723  Navarretia breweri Marion Ownbey, Fred G. Meyer 1940-7-1 2146 Modoc w slope Cedar Peak; Warner Mts. Comment
  UCD32710  Navarretia breweri Beecher Crampton 1954-7-7 2138 Modoc Modoc County, west side of Cedar Pass. Comment
  CHSC109885  Navarretia capillaris B. Castro; L. P. Janeway 2012-7-25 1958 Modoc Warner Mountains. Slope along N side of Dismal Swamp, along sides of rough gravel road going N out of swamp, just above more mesic sites dominated by Artemisia cana. 2218 Comment
  UC1025101  Navarretia divaricata Leo Whitney 1934-5-27 1846 Modoc near Hackamore; Modoc National Forest 1463 Comment
  CAS-BOT-BC198007  Navarretia divaricata subsp. divaricata Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10556 Modoc Patterson Ranger Station (East Creek drainage), Warner Mts. 2164 Comment
  UCR66593  Navarretia intertexta F. W. Peirson 1926-6-25 6868 Modoc Cedarville Pass, Warner Mountains 1926 Comment
  CAS-BOT-BC197984  Navarretia intertexta subsp. propinqua Roxana Stinchfield Ferris; R. Duthie 1919-6-14 131 Modoc Parker Creek, at Modoc Nat. Forest Boundary. Comment
  CDA13460  Navarretia intertexta subsp. propinqua G. F. Hrusa, T. D. Wilfred 1996-7-21 13307 Modoc Modoc Plateau; Adjacent to Modoc Co. Rd. 90 bridge over Pit River. E base of Splawn Mtn. N end of Big Valley. Comment
  JEPS100555  Navarretia intertexta subsp. propinqua Dean W. Taylor 1987-8-9 9287 Modoc Clear Lake Reservoir, on shore 100 meters west of dam 1371 Comment
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Aug 12 2008
  RSA164307  Navarretia intertexta subsp. propinqua Clare B. Hardham 1961-6-19 7840 Modoc Willow Creek. Warner Mountains. Comment
  JEPS3968  Navarretia intertexta subsp. propinqua N. T. Mirov 1929-6-28 Modoc Fandango Valley Warner Mountains 1584 Comment
  RSA185430  Navarretia leptalea Clare B. Hardham 1961-6-18 s.n. Modoc Warner Mountains: Cedar Pass. Comment
  JEPS79119  Navarretia leucocephala subsp. leucocephala L. R. Heckard with R. Bacigalupi 1980-6-10 5221 Modoc sw margin Egg Lake (now dry); Egg Lake Comment
  CAS-BOT-BC197959  Navarretia leucocephala subsp. minima K. Paulson; Robert Paulson 1989-7-2 158 Modoc Vicinity of Craig Spring, ca. 2 mi. NE of Happy Camp. 1447 Comment
  CAS-BOT-BC197965  Navarretia leucocephala subsp. minima Leland S. Smith 1924-5-31 1355 Modoc Egg Lake above ranch. 1310 Comment
  CAS-BOT-BC197966  Navarretia leucocephala subsp. minima Peter Hamilton Raven; Otto Thomas Solbrig 1958-6-18 13328 Modoc About small lake at eastern outskirts of Lookout. Comment
  CHSC105973  Navarretia leucocephala subsp. minima Lowell Ahart; John Dittes 2010-8-30 17057 Modoc On the sides of a small wash, about 10 yards east of the fence, south edge of the meadow, Ash Creek State Wildlife Area, 2300 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  OBI48922  Navarretia leucocephala subsp. minima Lewis s. Rose 1940-7-14 40571 Modoc 8 mi. nw. of Canby 1524 Comment
  UC1199811  Navarretia leucocephala subsp. minima Herbert L. Mason 1957-6-21 14705 Modoc w side Said Valley Comment
  RSA83301  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
  SEINET10464817  Nemacladus capillaris Bruce M. Bartholomew 1988-6-25 Bartholomew 4399 Modoc Ryan Canyon, north of Adin. T39N R19E Sec 5 Adin 15 Quad 1390 Comment
  CAS-BOT-BC179307  Nemophila breviflora Bruce Bartholomew 1994-7-2 6812 Modoc E of Bald Mtn. on E side of the Warner Mountains. 2230 Comment
  JEPS4032  Nemophila breviflora Frances D. Payne 1931-6-22 241 A Modoc s and e Alturas (Dry Creek tributary of, Parker Creek, Warner Mountains); Warner Mountains, Parker Creek, Dry Creek tributary Comment
  POM324048  Nemophila parviflora var. austiniae R. R. Halse 1976-6-13 1399 Modoc Modoc National Forest, Upper Rush Creek Campground. 1585 Comment
  RSA293357  Nemophila parviflora var. austiniae Reino Alava 1957-7-5 1150 Modoc Cedar Pass, Modoc National Forest. Warner Mountains Comment
  CAS-BOT-BC179287  Nemophila pedunculata C. L. Hitchcock 1940-5-27 6684 Modoc 15 mi. NE of Alturas. 1615 Comment
  UC24289  Nemophila pedunculata Milo S. Baker 1899-8-25 Modoc Forestdale Comment
  UC72016  Nemophila pedunculata Milo S. Baker 1887-1 Modoc Forestdale Comment
  UC748447  Nemophila pedunculata Annie M. Alexander and Louise Kellogg 1946-6-5 4665 a Modoc s Eagleville (Emerson Camp, Emerson Creek); Warner Mountains, Emerson Creek, s of Eagleville 2133 Comment
  POM260321  Nemophila pedunculata C. L. Hitchcock 1940-5-27 6684 Modoc 15 miles northeast of Alturas. 1616 Comment
  JEPS31546  Neoholmgrenia andina Milo S. Baker 1894-6-29 Modoc Big Valley Comment
  UC25540  Nepeta cataria Milo S. Baker 1894-8-25 Modoc Forestdale 1371 Comment
  CAS-BOT-BC349856  Nestotus stenophyllus E. K. Balls 1950-5-13 14673 Modoc West shore of Goose Lake, .2 mile south of Oregon - Calif. State Line 1463 Comment
  RSA152600  Nestotus stenophyllus I. L. Wiggins, Dorothy Wiggins 1961-6-12 16377 Modoc At junction of Cedar Pass road with California Highway 299, 5.5 miles N of Alturas. Comment
  UC71619  Nestotus stenophyllus Mrs. M. H. Manning 472 Modoc Northeaster Modoc County Comment
  UC86616  Nestotus stenophyllus Mrs. R. M. Austin May, 1894 31 Modoc Goose Lake Valley Comment
  JEPS117369  Nicotiana attenuata Lowell Ahart, John Dittes 2010-8-30 17081 Modoc Parking Area west of the old barn, on the west side of Elkins Lane, Ash Creek State Wildlife area, 320 feet north of Lassen County Line, about 4.4 miles (air) west of Adin, about 7.2 miles (air) northeast of Bieber, Big Valley 1266 Comment
  UC71723  Nicotiana attenuata Mrs. M. H. Manning 1902-9-7 2 b Modoc Surprise Valley Comment
  CAS-BOT-BC49368  Nothocalais troximoides K. Paulson; Robert Paulson 1988-5-24 11 Modoc Parker Creek, Warner Mts.. 1524 Comment
  JEPS79208  Nothocalais troximoides L. R. Heckard with Rimo Bacigalupi 1980-6-11 5239 Modoc junction of Parker Creek and Sheilds Creek (about 10 air mi se of Alturas); Parker Creek 1737 Comment
  UC682107  Nothocalais troximoides G. L. Stebbins Jr. with A. A. Beetle 1942-5-30 3245 Modoc 8 mi nw Canby (on road to Tule Lake) 1554 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
  RSA0013785  Nuphar lutea subsp. polysepala L. C. Wheeler 1935-8-14 3846 Modoc Lily Lake, Pine Creek, Warner Mts. 2073 Comment
  UC20417  Oenothera elata subsp. hirsutissima Mrs. R. M. Austin Jul 1898 163 Modoc Goose Lake Comment
  UC1540169  Oenothera flava subsp. flava Dean W. Taylor 1987-8-9 9284 Modoc 1371 Comment
  RSA153383  Onopordum acanthium T. C. Fuller 1960-7-27 4992 Modoc Southeast of 4th and East Streets, Alturas Comment
  CHSC112843  Onopordum acanthium subsp. acanthium Lowell Ahart; John Dittes 2013-7-24 18945 Modoc South high bank of Ash Creek Canal, south of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. 1272 Comment
  JEPS121207  Onopordum acanthium subsp. acanthium Lowell Ahart, John Dittes 2013-7-24 18945 Modoc South high bank of Ash Creek Canal, S of Ash Creek, Ash Creek State Wildlife Area, 0.79 air miles S of County Road 87, 1.73 air miles W of Adin, Big Valley. Comment
  UC71737  Orthocarpus bracteosus Mrs. M. H. Manning 1904-9-1 495 Modoc Hall's Meadows; north-eastern Modoc County Comment
  CAS-BOT-BC232318  Orthocarpus cuspidatus subsp. copelandii Bruce Bartholomew; Barrett Anderson 1990-7-20 5462 Modoc 4 km N of Buck Creek Ranger Station at turn off to Del Prat Spring, W side of Warner Mts. 1900 Comment
  CAS-BOT-BC232319  Orthocarpus cuspidatus subsp. copelandii Annie Montague Alexander; L. Kellogg 1946-7-7 4923 Modoc Eight Mile Creek. 1752 Comment
  HSC20545  Orthocarpus cuspidatus subsp. cryptanthus M. T. Milligan 1964-7-25 172 Modoc Pine Creek Basin, along trail. 2439 Comment
  RSA531359  Orthocarpus hispidus Bruce Bartholomew, B. Anderson 1989-6-1 4762 Modoc S end of Goose Lake. 1460 Comment
  RSA185398  Orthocarpus lithospermoides Clare B. Hardham 1961-6-18 7541 Modoc 3 miles SE of Cedar Pass. 1829 Comment
  CAS-BOT-BC15738  Osmorhiza chilensis Bruce Bartholomew; Barrett Anderson 1988-6-23 4284 Modoc Widow Valley, 18.0 km W of Day on County Road 94. 1230 Comment
  CHSC85409  Osmorhiza chilensis John Dittes; Josephine Guardino 1991-8-24 463 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
  OBI81415  Osmorhiza obtusa L. Constance 1946-7-4 3104 Modoc Shaded creek-side, Deep Creek 3.4 miles below summit, Warner Mountains 1829 Comment
  HSC80790  Osmorhiza occidentalis G. M. Riegel 1979-7-5 500 Modoc S Warner Mtns. 2100 Comment
  NY1101846  Osmorhiza occidentalis B. M. Bartholomew 1990-7-20 5488 Modoc 10.3 km north of Buck Creek Ranger Station, crest of Warner Mountains west side of Warner Mountains 2130 Comment
  JEPS5967  Osmorhiza occidentalis Frances D. Payne 1931-6-21 215 Modoc under cliffs on ridge sw Dry Creek (creek is a tributary of Parker Creek, s and e of Alturas); Warner Mountains Comment
  HSC28307  Osmorhiza purpurea D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19466 Modoc Upper Rush Creek Campground, about 8 mi. N of Adin on Hwy. 299 Comment
  CAS-BOT-BC218102  Oxyria digyna Bruce Bartholomew 1992-8-8 6377 Modoc Vicinity of Patterson Lake, E side of Warner Mountains. 2750 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
  CAS-BOT-BC50301  Packera cana Bruce Bartholomew 1990-6-17 5357 Modoc 11.3 km N of Buck Creek Ranger Station, a crest of the Warner Mountains. 2130 Comment
  CAS-BOT-BC50302  Packera cana Annie Montague Alexander; L. Kellogg 1946-6-17 4784 Modoc Cedar Pass road. 1767 Comment
  JEPS5949  Packera eurycephala Frances D. Payne 1931-6-11 169 Modoc s and e of Alturas; Warner Mountains, Parker Creek 1584 Comment
  CAS-BOT-BC50277  Packera eurycephala var. eurycephala John Thomas Howell 1934-6-11 11915 A Modoc Parker Creek. 1584 Comment
  CAS-BOT-BC190774  Paeonia brownii Isabelo T. Kelly 1930-1-1 52 Modoc Modoc County. Comment
  RSA59800  Paeonia brownii E. K. Balls 1950-5-17 14736 Modoc Howard's Gulch Public Camp, off Hwy. 139. N.W. of Canby. 1433 Comment
  UC480851  Paeonia brownii W. P. Taylor and H. C. Bryant 1910-7-13 Modoc N. Fork Parker Creek Warner Mountains (head) 2286 Comment
  JEPS27161  Paeonia brownii Lauramay T. Dempster 1961-6-19 1704 Modoc e Davis Creek (town) (headwaters of creek); South Fork of Davis Creek 2286 Comment
  UC1131602  Panicum capillare Leo Whitney 1935-8-24 22452 Modoc near Alturas; Canby Quad., near Alturas Comment
  CAS-BOT-BC225850  Parnassia fimbriata Leland S. Smith 1918-8-26 1049 Modoc Head of canyon, Owl Creek Canyon. 2286 Comment
  CAS-BOT-BC497307  Parnassia fimbriata B. Bartholomew 1990-8-4 5651 Modoc Side tributary in upper reaches of Owl Creek drainage, E side of Warner Mts. 2500 Comment
  CAS-BOT-BC232308  Pedicularis attollens K. Paulson; Robert Paulson 1990-7-21 213 Modoc Patterson Meadow, Warner Mts. Comment
  CAS-BOT-BC232309  Pedicularis attollens Annie Montague Alexander; L. Kellogg 1946-6-20 4810 Modoc Below Eagleville. 1440 Comment
  JEPS28992  Pedicularis attollens Frances D. Payne 1931-6-12 153 Modoc Parker Creek; Warner Mountains 1584 Comment
  UC748180  Pedicularis attollens Annie M. Alexander and Louise Kellogg 1946-6-20 4810 Modoc field below Eagleville 1440 Comment
  UCR34819  Pedicularis attollens J. A. Harpel 1981-8-6 V- 22 Modoc Warner Mtns, South Warner Wilderness Area: E end of Patterson Lake, 7 mi NW of Eagleville 2744 Comment
  CHSC19726  Pedicularis densiflora J. Grove 1973-5-1 100 Modoc Collected at Wiley ranch 3 mi north east of Day Ca. 1005 Comment
  RSA504630  Pedicularis groenlandica Bruce Bartholomew, B. Anderson 1988-6-24 4341 Modoc Cave Lake, W side of the Warner Mountains. 2130 Comment
  UC748186  Pedicularis groenlandica Annie M. Alexander and Louise Kellogg 1946-6-28 4854 Modoc Pine Creek Canyon, n end of Warner Mountains Pine Creek Canyon; Warner Mountains 2240 Comment
  CAS-BOT-BC245198  Pedicularis semibarbata Bruce Bartholomew 1995-7-31 7091 Modoc Lodgepole pine forest E of Bald Mountain, E side of the Warner Mts. 2220 Comment
  CAS-BOT-BC245199  Pedicularis semibarbata Bruce Bartholomew 1990-8-4 5621 Modoc Trail from the roadhead to Pine Creek Basin, W side of Warner Mts. 2160 Comment
  HSC80738  Pedicularis semibarbata G. M. Riegel 1980-7-12 863 Modoc S Warner Mtns. 1670 Comment
  UC103244  Pedicularis semibarbata Mrs. R. M. Austin 1894-1 147 Modoc Lassen Creek Comment
  CAS-BOT-BC232350  Penstemon davidsonii var. davidsonii Bruce Bartholomew 1991-8-5 6055 Modoc Spring NE of Cottenwood Lake along Summit Trail from Squaw Peak to Patterson Lake, Warner Mts. 2580 Comment
  CHSC109496  Penstemon davidsonii var. davidsonii L. P. Janeway; B. Castro 2012-7-26 11009 Modoc Warner Mountains. Top of Yellow Mountain; topmost part and wster edge (at the edge of a steep dropoff to the northwest). 2463 Comment
  NY590168  Penstemon davidsonii var. davidsonii N. H. Holmgren 1964-8-22 1721 Modoc Warner Range, Modoc National Forest, Eagle Peak. 3027.9 Comment
  UC748177  Penstemon deustus Annie M. Alexander and Louise Kellogg 1946-6-28 4868 Modoc Pine Creek Canyon , Pine Creek Canyon (n end of Warner Mountains) 1615 Comment
  CAS-BOT-BC232328  Penstemon deustus var. pedicellatus Francis Dorris Payne 1932-6-10 532 Modoc Parker Creek. 1584 Comment
  CAS-BOT-BC232329  Penstemon deustus var. pedicellatus Annie Montague Alexander; L. Kellogg 1946-6-18 4804 Modoc Base of lava bluff facing Lower Lake. Comment
  NY591815  Penstemon deustus var. pedicellatus B. M. Bartholomew 1989-6-3 4858 Modoc Crowder Flat Road at Fletcher Creek. 1550 Comment
  UC71747  Penstemon deustus var. pedicellatus Mrs. M. H. Manning 1903-6-8 158 Modoc Mt. Bidwell Mt. Bidwell (north-eastern Modoc County) 1676 Comment
  UC201715  Penstemon gracilentus W. P. Taylor and H. C. Bryant 1910-7-13 Modoc Head N. Fork Parker Cr. Warner Mountains, N. Fork Parker Cr. 2286 Comment
  UC27452  Penstemon gracilentus Milo S. Baker 1893-6 Modoc Comment
  NY601604  Penstemon heterodoxus var. shastensis J. D. Jokerst 1987-5-12 2848 Modoc Ca. 4 miles south of Doublehead Mountain, east of Highway 139, northwest of Canby Comment
  CAS-BOT-BC245520  Penstemon janishiae Harry Delbert Thiers 1966-5-13 16326 Modoc Between Alturas and Crowder Flat Ranger Station. 1524 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
  CAS-BOT-BC245510  Penstemon procerus var. procerus Bruce Bartholomew 1995-8-1 7148 Modoc Headwater of Schadler Ditch just NE of Bidwell Mtn., E side of the Warner Mountains. 2110 Comment
  CAS-BOT-BC232519  Penstemon roezlii Bruce Bartholomew; Barrett Anderson 1988-6-23 4246 Modoc 4.2 km NW of Day. 1020 Comment
  CAS-BOT-BC245566  Penstemon roezlii Francis Dorris Payne 1929-6-28 29 Modoc Parker Creek. 1584 Comment
  NY641741  Penstemon roezlii K. A. Vincent 1987-8-4 4496 Modoc Warner Mountains; along CA 11 ca. 1.5 miles east-southeast of jct. US 395 in Davis Creek 1585.0 Comment
  SEINET211449  Penstemon roezlii J. L. Reveal 1971-6-22 2459 Modoc Along US Hwy 395 at Davis Creek 1454 Comment
  NY650097  Penstemon roezlii M. J. Williams 1988-5-30 8826- 7 Modoc Jess Valley, east of Likely, south of southeast rest 1524.0 Comment
  POM44789  Penstemon roezlii R. M. Austin 1895-07 579 Modoc Goose Lake Valley. Comment
  RSA152716  Penstemon roezlii I. L. Wiggins, Dorothy Wiggins 1961-6-12 16369 Modoc At junction of Cedar Pass road with California Highway 299, 5.5 miles N of Alturas. Comment
  UC690360  Penstemon roezlii Milo S. Baker 1936-7-14 8340 Modoc about 2 mi w Cedar Pass Camp (along old road to Alturas); Warner Mts., w of Cedar Pass Camp Comment
  CAS-BOT-BC245500  Penstemon rydbergii var. oreocharis K. Paulson; Robert Paulson 1989-7-4 171 Modoc Ca. 1 mi. S of Patterson Ranger Station, S end of Warner Mts. 2121 Comment
  HSC20991  Penstemon rydbergii var. oreocharis M. T. Milligan 1966-7-3 529 Modoc Slopes and ridges E of Jess Valley 1829 Comment
  NY651334  Penstemon rydbergii var. oreocharis D. D. Keck 1935-6-24 3722 Modoc 1.5 miles north of Davis Creek 1525 Comment
  SEINET8512821 Image available Penstemon rydbergii var. oreocharis Noel H. Holmgren, P. K. Holmgren 2014-6-13 16550 Modoc Warner Mountains, Plum Valley Road 5.1 km (3.2 miles) road distance southeast US HWY 395 (in the small town of Davis Creek) 1708 Comment
  CAS-BOT-BC245558  Penstemon speciosus Elmer Ivan Applegate 1932-7-9 7607 Modoc N slope of Bidwell Mountain. Comment
  CAS-BOT-BC245559  Penstemon speciosus L. Mott 1976-5-29 4 LM76 Modoc Devil's Garden, N of Alturas. 1402 Comment
  CAS-BOT-BC245562  Penstemon speciosus Leland S. Smith 1924-5-31 1348 Modoc Egg Lake Ranch S and near timber. 1310 Comment
  CAS-BOT-BC245565  Penstemon speciosus Alice Eastwood; John Thomas Howell 1940-6-12 8094 Modoc Jess Valley. 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
  RSA59600  Penstemon speciosus Verne Grant, Alva Grant 1950-7-14 8947 Modoc On north flank of Cedar Mt, Warner Mtns. 2195 Comment
  SEINET12326116  Penstemon speciosus A. Seneres, Harold, N. 1983-1 102 Modoc 1.5 mi S of north fork of Deep Creek at intersection of road, Modoc Nat. Forest 2111 Comment
  UC748153  Penstemon sudans Annie M. Alexander and Louise Kellogg 1946-6-18 4804 Modoc at base of lava bluff facing Lower Lake; bluff facing Lower Lake Comment
  CAS-BOT-BC140470  Peraphyllum ramosissimum Lillian Mott 1976-5-29 15 LM76 Modoc Devil's Garden north of Alturas 1402 Comment
  CAS-BOT-BC214725  Peraphyllum ramosissimum Bruce Bartholomew; Barrett Anderson 1988-5-13 4140 Modoc N side of Dorris Reservoir, ca. 4 km E of Alturas along Parker Creek Road. 1340 Comment
  UC726024  Peraphyllum ramosissimum A. A. Heller 1938-6-24 15228 Modoc about midway between Canby and Alturas Comment
  CHSC39005  Perideridia kelloggii J. D. Jokerst 1983-7-18 1857 Modoc North of Miles Flat west of and adjacent to Road 5500 at its jct. with the center of section. Comment
  CAS-BOT-BC15716  Perideridia oregana Alice Eastwood; John Thomas Howell 1940-6-15 8295 Modoc 9 mi. N of Lookout. Comment
  CDA13452  Perideridia oregana G. F. Hrusa, T. D. Wilfred 1996-7-21 13299 Modoc Modoc Plateau; Adjacent to Modoc Co. Rd. 90 bridge over Pit River. E base of Splawn Mtn. N end of Big Valley. Comment
  UC20886  Perideridia oregana Mrs. R. M. Austin July 1894 Modoc Goose Lake Valley Comment
  UC748469  Perideridia oregana Annie M. Alexander and Louise Kellogg 1946-7-10 4951 Modoc n Lake Annie Comment
  CAS-BOT-BC218105  Persicaria amphibia Bruce Bartholomew 1991-10-12 6113 Modoc 3.5 km S of McGinty Point, S end of Goose Lake. 1440 Comment
  CHSC109677  Persicaria amphibia Lowell Ahart; John Dittes 2012-7-10 18327 Modoc On the drying north side of the drainage, east of the fence, northwest of the old homestead, Ash Creek State Wildlife Area, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  CHSC117289  Persicaria lapathifolia Lowell Ahart; John Dittes 2016-7-14 21189 Modoc South of Ash Creek Canal (now filled in), south of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. 1273 Comment
  JEPS124356  Persicaria lapathifolia Lowell Ahart, John Dittes 2015-7-16 20374 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-BC218153  Persicaria maculosa Bruce Bartholomew 1994-10-8 6878 Modoc 1.8 km S of Lookout - Adin Road on County Road 87A. 1260 Comment
  CHSC100383  Persicaria maculosa Lowell Ahart; John Dittes 2008-8-25 15288 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
  CHSC116099  Persicaria maculosa Lowell Ahart; John Dittes 2015-7-15 20375 Modoc North edge of Ash Creek (destroyed), southeast of gravel pit (destroyed), about 1/8 mile east of parking area on east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  HSC17557  Persicaria punctata M. T. Milligan 1964-8-21 231 Modoc S end of Dorris Reservoir Dam 1372 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-BC179261  Phacelia hastata subsp. hastata Bruce Bartholomew; Barrett Anderson 1988-6-23 4267 Modoc 1.8 km WSW of Day on County Road 94. 1170 Comment
  CAS-BOT-BC179263  Phacelia hastata subsp. hastata Bruce Bartholomew; Barrett Anderson 1990-7-20 5480 Modoc 10.3 km N of Buck Creek Ranger Station, crest of Warner Mountains W side of Warner Mts. 2130 Comment
  HSC65623  Phacelia hastata var. compacta J. P. Smith, J. O. Sawyer 1973-8-8 7221 Modoc Near summit of Eagle Peak 2988 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
  CAS-BOT-BC180019  Phacelia heterophylla subsp. virgata Lawrence Ray Heckard 1952-6-19 312 Modoc Just below summit of Fandango Pass. 1828 Comment
  HSC13655  Phacelia heterophylla subsp. virgata M. T. Milligan 1965-6-27 351 Modoc E slope of eroded volcanic plateau. 1677 Comment
  UC1051772  Phacelia heterophylla subsp. virgata L. R. Heckard 1952-6-19 311 Modoc slopes above Cedarville Pass (ne of Alturas on road to Cedarville); Warner Mountains 2011 Comment
  UC24489  Phacelia heterophylla subsp. virgata Geo. H. Boke 1890-1 Modoc Comment
  CHSC31501  Phacelia humilis NEH Prouty 1980-7-1 195 Modoc Modoc Natl. Forest, Warner Mt. District. Opening south of Soup Spring's Campground in forest of Pinus ponderosa and Abies concolor. 2072 Comment
  HSC30046  Phacelia humilis D. H. Norris, T. Nelson, S. Dowty 1971-6-22 19313 Modoc Soup Springs Campground Comment
  UC671870  Phacelia humilis John Thomas Howell 1934-6-13 12062 Modoc Fandango Pass Warner Mts. 1828 Comment
  HSC81100  Phacelia humilis G. M. Riegel 1979-7-3 476 Modoc South Warner Mtn. 1670 Comment
  UC1234580  Phacelia humilis Peter H. Raven 1962-5-29 17890 Modoc 0.8 mi mi w Cedar Pass; Warner Mountains 1859 Comment
  UC133064  Phacelia humilis Mrs. R. M. Austin June 1884 Modoc mts. e Goose Lake Val. Comment
  CAS-BOT-BC179981  Phacelia humilis var. humilis M. Vasey 1990-6-29 9017 Modoc Trail to summit above N Emerson Lake. 2651 Comment
  CAS-BOT-BC179967  Phacelia inundata John Thomas Howell 1934-7-2 12357 Modoc E side of Clear Lake. Comment
  CAS-BOT-BC179970  Phacelia inundata Bruce Bartholomew; M; M. Gilbert; L. E. Skog 1993-5-10 6452 Modoc At the Nevada border directly E of Eagleville, E side of Surprise Valley. 1520 Comment
  OBI59430  Phacelia linearis Barbara Ertter 1988-6-18 7621 Modoc hwy 139 ca 50 airmiles SW of Klamth Falls, a few mi N of Agric. inspection station, 1 mi S of S jct to Lava Beds Natl Monument E of Tonesta. T44N R6E sec 14 1311 Comment
  RSA428038  Phacelia linearis Christopher Davidson 1975-6-4 2629 Modoc Canby Bridge across Pit River, ca. four miles south of Canby on Highway 299. 1341 Comment
  UC1299154  Phacelia linearis Freed W. Hoffman 1955-7-13 4096 Modoc one mi e Cedar Pass Camp Ground (rocky ridge at side of road) 1737 Comment
  CAS-BOT-BC179930  Phacelia ramosissima var. eremophila Clare Butterworth Hardham 1961-6-20 7872 Modoc Pine Creek Canyon. 1676 Comment
  UC660147  Phacelia ramosissima var. ramosissima Marion Ownbey and Fred G. Meyer 1940-7-1 2156 Modoc Cedar Peak Warner Mts. (se slopes) Comment
  UC748439  Phacelia ramosissima var. ramosissima Annie M. Alexander and Louise Kellogg 1946-7-7 4943 Modoc ne corner of county Eight Mile Creek 1752 Comment
  UC107435  Phacelia thermalis Mrs. R. M. Austin June, 1888 Modoc Hot Springs below Alturas Comment
  UC726937  Phacelia thermalis A. A. Heller 1941-6-26 16220 Modoc three mi w Canby (along hwy) Comment
  HSC10587  Phleum alpinum M. T. Milligan 1964-7-25 175 Modoc Pine Creek Basin, along trail. 2439 Comment
  HSC31351  Phleum alpinum D. H. Norris, T. Nelson, S. Dowty 1971-6-22 19342 Modoc Soup Springs Campground Comment
  POM313149  Phleum pratense H. L. Mason, Verne Grant 1947-7-10 13358 Modoc 1/4 mile west of Dorris Reservoir; 2 miles east of Alturas Comment
  UC1100414  Phleum pratense Herbert L. Mason and Verne Grant 1947-7-10 13358 Modoc 2 mi e Alturas (1/4 mi w of Dorris Reservoir); w of Dorris Reservoir Comment
  HSC81027  Phlox diffusa G. M. Riegel 1978-6-26 28 Modoc S Warner Mtns. 1739 Comment
  CAS-BOT-BC197920  Phlox douglasii subsp. rigida Gordon H. True 1964-6-3 1437 Modoc South Fork Pit River between Alturas and Goose Lake. 1432 Comment
  RSA60320  Phlox douglasii subsp. rigida E. K. Balls 1950-5-10 15959 Modoc Hwy 395, 0.5 mile before jct, 5.5 miles NE of Alturas. 1524 Comment
  UC23588  Phlox gracilis Mrs. C. C. Bruce Jun 1898 2199 Modoc Goose Lake valley Comment
  UC23594  Phlox gracilis Milo S. Baker 1893-6 Modoc Forestdale Comment
  CAS-BOT-BC197891  Phlox hoodii subsp. canescens Leland S. Smith 1917-7-2 73 Modoc Warren Mt. 2133 Comment
  CAS-BOT-BC197893  Phlox hoodii subsp. canescens Bruce Bartholomew 1991-5-25 5753 Modoc Ca. 6 km NW of Tionesta on road to Lava Beds National Monument. 1310 Comment
  SBBG6053  Phlox hoodii subsp. canescens H. and M. Dearing 1939-6-9 3628 Modoc near Squaw Peak, Warner Mtns 2133 Comment
  UCD118241  Phlox hoodii subsp. canescens R. N. Raynor 1940-4-16 s.n. Modoc Round Valley, between Aden and Canby. Comment
  CAS-BOT-BC197871  Phlox stansburyi E. S. Willits 1940-4-27 195 Modoc Near quarantine station, Alturas. Comment
  CAS-BOT-BC197880  Phlox stansburyi M. M. Hanna 1956-6-4 946947 Modoc Turn off, Alturas to Cedarville. Comment
  HSC45811  Phlox stansburyi J. P. Smith, J. O. Sawyer 1972-5-6 5269 Modoc Along Hwy. 299, 4 mi. W of Modoc County Rd. 58, E of Alturas 1494 Comment
  HSC17178  Phlox stansburyi M. T. Milligan 1964-6-20 54 Modoc 2 mi. N on Pencil Rd. from Hwy. 395 1372 Comment
  JEPS70004  Phlox stansburyi Frances D. Payne 1932-6-8 420 Modoc 3 mi n Alturas (on road to Cedarville) Comment
  RSA469950  Phlox stansburyi var. brevifolia Christopher Davidson 1975-6-4 2589 Modoc 0.4 miles E of Hwy 395 on Hwy 299 toward Cedarville. 1380 Comment
  CAS-BOT-BC248366  Phoenicaulis cheiranthoides B. Bartholomew; H. Sun 2002-6-24 8849 Modoc E of Bald Mt., on the E side of the Warner Mountains 2130 Comment
  CAS-BOT-BC58306  Phoenicaulis cheiranthoides Annie Montague Alexander; L. Kellogg 1946-6-26 4834 Modoc Dismal Swamp, N end of Warner Mts. 2255 Comment
  JEPS15391  Phoenicaulis cheiranthoides W. L. Jepson 1918-8-7 7879 Modoc Mount Bidwell 2507 Comment
  NY182049  Phoenicaulis cheiranthoides B. M. Bartholomew 1988-5-13 4152 Modoc Along Parker Creek Road, .5 km W of West Warner Road on Parker Creek Road, W side of the Warner Mountains. 1650 Comment
  UC71679  Phoenicaulis cheiranthoides Mrs. M. H. Manning 1903-4-12 63 Modoc near Fort Bidwell (in north-eastern Modoc County) Comment
  UC748068  Phoenicaulis cheiranthoides Annie M. Alexander and Louise Kellogg 1946-6-26 4834 Modoc Dismal Swamp, n end of Warner Mountains Dismal Swamp; Warner Mountains, Dismal Swamp 2255 Comment
  UCD116138  Phoenicaulis cheiranthoides Alan A. Beetle 1941-6-29 2831 Modoc Near summit of Cedarville Pass. 2118 Comment
  CAS-BOT-BC245224  Phoradendron juniperinum K. Paulson; Robert Paulson 1991-5-25 218 Modoc Householder Reservoir. 1639 Comment
  CDA32619  Phragmites australis T. C. Fuller 1957-9-17 341 Modoc Near Eagleville. 0 Comment
  SEINET7297281 Image available Phragmites australis Herbert L. Mason 1947-1 13501 Modoc Highway 81, north of Modoc- Lassen County Line Comment
  UCR129385  Pilularia americana L. C. Wheeler 1935-9-17 3990 Modoc Everly Reservoir, Devil's Garden 1524 Comment
  CAS-BOT-BC73412  Pinus albicaulis Elmer I. Applegate 1932-7-31 7991 Modoc Mill Creek Meadows, west slope of Warner Mountains. 2438 Comment
  HSC80919  Pinus albicaulis G. M. Riegel 1978-7-4 480 Modoc S Warner Mtns. 1829 Comment
  UC496207  Pinus albicaulis Elmer I. Applegate 1932-7-31 7991 Modoc Mill Creek Meadow Warner Mts., Pit River (head of river) 2438 Comment
  CAS-BOT-BC73240  Pinus contorta subsp. murrayana A. D. Borden 1911-6-15 s.n. Modoc Head of middle fork of Davis Creek. Comment
  CAS-BOT-BC73241  Pinus contorta subsp. murrayana Elmer I. Applegate 1932-8-2 8100 Modoc Mill Creek Meadows, west slope of Warner Mountains. 2438 Comment
  CAS-BOT-BC73242  Pinus contorta subsp. murrayana Elmer I. Applegate 1932-7-7 8221 Modoc Summit of Yellow Mountain, near Lily Lake, Bidwell Pass, Warner Mts. 2438 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
  UC71759  Pinus contorta subsp. murrayana Mrs. M. H. Manning 1902-10-26 31 Modoc Warner Mt. ne Modoc County, Warner Mt. 1828 Comment
  RSA749197  Pinus contorta var. murrayana A. Townesmith, K. M. Meyer 2007-9-16 215 Modoc Modoc National Forest, 8.5 mi. on Hwy 23 which turns into 31, south of Cedarville, CA. Pine 2218 Comment
  NY61944  Pinus monticola F. M. Ownbey 1940-7-1 2153 Modoc This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  UCSB18012  Pinus monticola Haller, John 1962-6-8 Modoc Vicinity of Cave Lake, 1 mile west of Summit of New Pine Creek-Fort Bidwell Road, Warner Mountains 2072 Comment
  UC1612279  Pinus monticola Mrs. M. H. Manning 1905-1-1 Modoc Comment
  RSA0116402  Pinus murrayana Bruce Bartholomew, B. Anderson 1988-7-22 4520 Modoc S end of Bearcamp Flat, Southern end of Warner Mountains. (Emerson Peak Quad) 2230 Comment
  CAS-BOT-BC242224  Piperia unalascensis Bruce Bartholomew 1995-9-3 7193 Modoc Field redacted by CAS, contact the data manager for more information 1830 Comment
  CAS-BOT-BC58785  Plagiobothrys bracteatus Bruce Bartholomew; Barrett Anderson 1988-6-23 4250 Modoc 4.2 km NW of Day. 1020 Comment
  UC1191851  Plagiobothrys cusickii Herbert L. Mason and Verne Grant 1947-7-12 13421 Modoc s of Alturas (near s end of w side road, along railroad tracks); Pit River Valley Comment
  SJSU9669  Plagiobothrys cusickii W. Savage 1979-7-9 1515 Modoc Round Valley, Triange, Devils Garden District, Modoc National Forest 1493 Comment
  CAS-BOT-BC228488  Plagiobothrys salsus Ira L. Wiggins; Dorothy B. Wiggins 1961-6-13 16446 Modoc Lane on Phipp's Ranch, ca. 14 miles N of Cedarville, Surprise Valley Comment
  CAS-BOT-BC58733  Plagiobothrys scouleri Herbert Louis Mason; Verne Grant 1947-7-12 13415 Modoc Pit River Valley, S of Alturas. Comment
  CAS-BOT-BC58737  Plagiobothrys scouleri John Thomas Howell 1934-6-15 12192 Modoc Dorris Reservoir, 2 mi. E of Alturas. Comment
  CAS-BOT-BC58754  Plagiobothrys scouleri Beecher Crampton 1960-6-17 5697 Modoc McKay Flat, ca. 13 mi. W of Canby. 1280 Comment
  CAS-BOT-BC58753  Plagiobothrys scouleri Herbert Louis Mason; Verne Grant 1947-7-12 13408 Modoc W side of South Fork of Pit River Valley, SW of Alturas. Comment
  CAS-BOT-BC58759  Plagiobothrys scouleri Herbert Louis Mason; Verne Grant 1947-7-12 13408 Modoc W side of South Fork of Pit River Valley, SW of Alturas. Comment
  RSA495518  Plagiobothrys scouleri Elaine Joyal, D. Mehlman 1988-6-27 1287 Modoc Warner Mts., Jess Valley. 1500 Comment
  POM261461  Plagiobothrys scouleri var. hispidulus Alice Eastwood, John Thomas Howell 1940-6-12 8078 Modoc Between Likely and Jess Valley. Comment
  POM368975  Plagiobothrys scouleri var. hispidulus Christopher Davidson 1973-5-26 2152 Modoc Ca. 1 mi. N of Adin Summit on St Hwy 299. 1524 Comment
  JEPS79217  Plagiobothrys stipitatus var. micranthus L. R. Heckard with R. C. Bacigalupi 1980-6-10 5265 Modoc about 10 mi nw Lookout (along Great Northern Railroad grades) Comment
  POM368960  Plagiobothrys tenellus Christopher Davidson 1973-5-24 2107 Modoc S of Alturas on Hwy 395 near Likely. 1311 Comment
  UC429189  Platanthera Franklin P. Nutting Modoc Taylor Creek, n California Taylor Creek Comment
  POM107764  Platanthera leucostachys Mrs. R. M. Austin 488 Modoc Davis Creek. Comment
  UC429330  Platanthera leucostachys M. F. Gilman 540 Modoc 1981 Comment
  UC4579  Platanthera sparsiflora Milo S. Baker 1893-7-18 Modoc Comment
  UC4572  Platanthera stricta Mrs. R. M. Austin Aug 1894 Modoc headwaters Lassen Creek (Northern California); Headwaters Lassen Creek Comment
  CAS-BOT-BC136652  Platanthera stricta Oliver Austin 1885-7-1 s.n. Modoc Field redacted by CAS, contact the data manager for more information Comment
  CAS-BOT-BC245405  Plectritis macrocera Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16420 Modoc Near summit of Cedar Pass, betw. Alturas & Cedarville. 1950 Comment
  CHSC67134  Plectritis macrocera James D. Jokerst 1987-5-11 2823 Modoc Radar Survey Site S of Doublehead Mtn., S of Clear Lake Resevoir. 1363 Comment
  CHSC85117  Plectritis macrocera John Dittes; Josephine Guardino 1991-7-21 418 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
  UC416766  Plectritis macrocera Mrs. M. H. Manning 1905-5-14 Modoc Joseph Creek, in north-eastern Modoc County Joseph Creek Comment
  UC71838  Plectritis macrocera Mrs. M. H. Manning 1903-4-30 92 Modoc near Fort Bidwell (in north-eastern Modoc County) Comment
  JEPS5937  Plectritis macrocera Frances D. Payne 1931-6-22 244 Modoc s and e of Alturas (Warner Mountains, Dry Creek, northern tributary of Parker Creek); Warner Mountains, Dry Creek 1828 Comment
  RSA14101  Poa Elmer I. Applegate 1927-4-24 5004 Modoc Modoc Battle Ground; Modoc Lava Beds Comment
  UCD90255  Poa annua A. A. Beetle 1941-6-29 2832 Modoc Near summit of Cedarville Pass. 2118 Comment
  HSC80829  Poa bolanderi G. M. Riegel 1979-9-1 730 Modoc S Warner Mtns. 1829 Comment
  CAS-BOT-BC247584  Poa bulbosa Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-16 16527 Modoc 4.6 mi. N of Adin. Comment
  CHSC85108  Poa bulbosa John Dittes; Josephine Guardino 1991-6-1 366 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
  UC450472  Poa bulbosa M. V. Maxwell June 1930 Modoc Adin Comment
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May 19 2009
  CHSC110974  Poa cusickii subsp. cusickii Lowell Ahart; John Dittes 2012-7-10 18328 Modoc Open meadow, west of the fence, northwest of the old homestead, Ash Creek State Wildlife Area, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  RSA273391  Poa palustris J. P. Smith, J. O. Sawyer 1973-8-9 7277 Modoc Blue Lake, Modoc National Forest. 1829 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
  UCD38341  Poa pratensis Beecher Crampton 1954-7-7 2145 Modoc Warner mountains, east side of Cedar Pass, 3 miles west of Cedarville. Comment
  UCD91823  Poa pratensis A. A. Beetle 1941-6-29 2822 Modoc 15 miles east of Alturas, road to Cedarville Pass. 1371 Comment
  CAS-BOT-BC247617  Poa pratensis subsp. pratensis Bruce Bartholomew; Barrett Anderson 1990-7-20 5543 Modoc N edge of Howard Flat, W side of Warner Mts. 2000 Comment
  UC1037119  Poa pratensis subsp. pratensis Leo Whitney 1934-5-28 2243 Modoc ca 15 mi nw Canby (Lake Joaquina, Hackamore); Modoc Nat'l Forest 1463 Comment
  UC711805  Poa pratensis subsp. pratensis Roxana S. Ferris and Laura Lorraine 1941-8-13 10532 Modoc Patterson Ranger Station (East Creek drainage) Patterson Ranger Station; Modoc Nat'l Forest, Warner Mts 2164 Comment
  CAS-BOT-BC255023  Poa secunda Roxana S. Ferris; Laura Lorraine 1941-8-14 10582 Modoc 3 miles from Patterson Ranger Station on road to Eagleville, Warner Mountains, Modoc National Forest Comment
  UCR64615  Poa secunda A. A. Beetle 1941-6-29 2827 Modoc Near summit of Cedarville Pass 2119 Comment
  SEINET10522718  Poa secunda Billy Joe Cox, Paul Gallian 1971-6-3 Cox 2610 Modoc 6 mi N of Alturas on US Hwy 395, W facing slope, in middle of grassland pasture, edging into Artemesia which adjoins Juniper woodland. Lupinus sp. in very dense populations on every slope for over a mi N, more or less a valley side in decomposing basalt with lighter soil above. 1341 Comment
  UCD32737  Poa secunda subsp. juncifolia Beecher Crampton 1954-7-8 2190 Modoc 3 miles W of Alturas, along US Hwy 299. Comment
  UCD92149  Poa secunda subsp. juncifolia Collector Unknown 1934-5-14 s.n. Modoc Alturas. Comment
  UCD92167  Poa secunda subsp. juncifolia Beecher Crampton; Carl Rimbey 1954-7-7 2126 Modoc Alturas. Comment
  CAS-BOT-BC247607  Poa secunda subsp. secunda John Thomas Howell 1934-7-1 12342 Modoc Duncan Horse Camp. 1355 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
  CAS-BOT-BC247675  Poa secunda subsp. secunda Gordon H. True 1964-6-3 1453 Modoc N Fork Pit River between Alturas and Goose Lake. 1463 Comment
  CHSC117017  Poa secunda subsp. secunda Lowell Ahart; John Dittes 2016-6-6 20940 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
  UC1024996  Poa secunda subsp. secunda Leo Whitney 1935-7-7 3393 Modoc 4 mi nw Canby (Howard Gulch) Comment
  UC1025015  Poa secunda subsp. secunda Leo Whitney 1935-7-13 3495 Modoc ca 17 mi n Canby (Badger Wells) Comment
  UC1137008  Poa secunda subsp. secunda August L. Hormay 1932-7-14 Modoc DD plot sites; Modoc Nat'l Forest Comment
  UC535950  Poa secunda subsp. secunda Elmer I. Applegate 1927-4-24 5004 Modoc Modoc Battle Ground; Modoc Lava Beds Comment
  CAS-BOT-BC247654  Poa wheeleri Bruce Bartholomew 1990-6-16 5271 Modoc Rock outcrops between roadhead and Pine Creek Basin, W side of Warner Mountains. 2160 Comment
  HSC80842  Poa wheeleri G. M. Riegel 1979-7-23 585 Modoc S Warner Mtns. 1829 Comment
  UCD91572  Poa wheeleri Beecher Crampton; Carl W. Rimbey 1954-7-6 2102 Modoc slope above Shields Creek, 20 miles east of Alturas. Warner Mountains. Comment
  CAS-BOT-BC252514  Poa wheeleri John H. Hatton 1911-6-10 30 Modoc Modoc County. 1371 Comment
  CAS-BOT-BC179345  Pogogyne floribunda James D. Jokerst 1987-7-13 2946 Modoc W of Sector 4 of the Air Force Backscatter Radar site. Ca. 3 mi. S of Doublehead Mountain. Comment
  CAS-BOT-BC179346  Pogogyne floribunda James D. Jokerst 1987-6-23 2930 Modoc Ca. 2 mi. SW of Doublehead Mountain. Comment
  CAS-BOT-BC179354  Pogogyne floribunda Bruce Bartholomew 1991-8-4 6021 Modoc 3.2 km S of Drift Fence Tank on road to Mud Lake. 1580 Comment
  CHSC67510  Pogogyne floribunda J. D. Jokerst 1990-7-31 3205 Modoc Modoc National Forest, Devils Garden Ranger District (south of Clear Lake), about 1.5 miles SE of Doublehead Mountain, N and adjacent to dirt road and 0.25 mile W of a north to south-oriented fanceline through the center of section. 1371 Comment
  CHSC67516  Pogogyne floribunda J. D. Jokerst 1987-6-24 2938 Modoc Modoc National Forest, Devils Garden Ranger District. About 2 miles NE of Doublehead Mountain, 1.25 miles S of Clear Lake, along dirt road about 2 miles WSW of Red Lake. Comment
  NY22575  Pogogyne floribunda J. D. Jokerst 1990-7-31 3205 Modoc Dry lakebed with Artemisia cana. Modoc National Forest, Devils Garden Ranger District (south of Clear Lake), about 1.5 miles SE of Doublehead Mountain, N and adjacent to dirt road and 0.25 mile W of a north to south-oriented fenceline through the center o Comment
  RSA580060  Pogogyne floribunda Louis C. Wheeler 1935-8-25 3915 Modoc Rim Rock Valley Reservoir, Devil s Garden 1524 Comment
  UC1597731  Pogogyne floribunda J. D. Jokerst 1987-6-23 2930 Modoc 2 mi. s.w. Doublehead Mt. (at n. end large unnamed dry lakebed, s. of Clear Lake, Devils Garden Ranger District, Modoc Nat'l Forest); Modoc Nat'l Forest, Devils Garden Ranger District Comment
  RSA0022126  Pogogyne floribunda Louis C. Wheeler 1935-8-25 3915 Modoc Devil's Garden: Rimrock Valley Reservoir. 1524 Comment
  JEPS13810  Polanisia dodecandra subsp. trachysperma L. S. Smith 1918-9-25 1057 Modoc Granger Canyon , Granger Canyon (Surprise Valley Foothills) 1371 Comment
  NY963444  Polemonium micranthum B. M. Bartholomew 1989-4-29 4671 Modoc 6.4 km east of Fort Bidwell on road to Fee Reservoir, northeast corner of Surprise Valley 1460 Comment
  NY963446  Polemonium micranthum B. M. Bartholomew 1993-5-10 6474 Modoc 1.9 km northeast of Fee Reservoir Road on Barrel Spirng Road, north end of Surprise Valley 1670 Comment
  CAS-BOT-BC58325  Polyctenium fremontii var. fremontii Leland S. Smith 1920-5-30 20 Modoc West Valley camp. 1524 Comment
  UC17451  Polygala cornuta var. cornuta Milo S. Baker 1893-6 Modoc Dunsmuir Sac. Canyon Comment
  UC6756  Polygonum amphibium var. emersum Milo S. Baker 1893-6 Modoc Egg Lake Comment
  CAS-BOT-BC419701  Polygonum austiniae Mrs. R. M. Austin 1895-7-1 134 Modoc Goose Lake Valley Comment
  CHSC52636  Polygonum aviculare James Jokerst 1983-7-27 1908 Modoc Near Signal Butte. 1340 Comment
  OBI70870  Polygonum aviculare Louis C. Wheeler 1935-8-26 3922 Modoc Modoc Plateau: 1 mi NW of Mud lake, Devil's Garden 1524 Comment
  UC1192347  Polygonum aviculare subsp. buxiforme Verne Grant, Irving Schneider 1947-7-18 8043 Modoc S of Alturas (Eastside Canal, 5 mi N of Bayley's bridge) Comment
  UCD100000  Polygonum aviculare subsp. depressum Verne Grant; Irving Schneider 1947-7-18 8043 Modoc Eastside canal, 5 miles north of Bayley's bridge, south of Alturas. Comment
  UC748283  Polygonum bistortoides Annie M. Alexander and Louise Kellogg 1946-6-30 4881 Modoc Highgrade Warner Mountains (w side of ridge, n end of mts.) 2377 Comment
  RSA520457  Polygonum bistortoides K. Paulson, R. Paulson 1989-7-4 169 Modoc 1 miles S of Patterson Ranger Station, S end of Warner Mts. 2122 Comment
  RSA530111  Polygonum buxiforme D. W. Taylor, G. L. Clifton 1989-8-6 10486 Modoc bed of Snake Lake 1570 Comment
Read comments
Mar 12 2011
  POM229191  Polygonum convolvulus Louis C. Wheeler 1935-8-6 3799 Modoc Mouth Pine Creek, Warner Mountains. 1509 Comment
  RSA0034565  Polygonum convolvulus Louis C. Wheeler 1935-8-6 3799 Modoc Mouth Pine Creek, Warner Mountains. 1509 Comment
  CAS-BOT-BC218125  Polygonum douglasii Bruce Bartholomew; Barrett Anderson 1990-7-19 5403 Modoc Turner Creek at County Rd 90, N end of Big Valley, 6.4 km N of Lassen County border. 1230 Comment
  CAS-BOT-BC218137  Polygonum douglasii Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10536 Modoc Patterson Ranger Station (East Creek drainage). Modoc National Forest. Warner Mountains 2164 Comment
  UCR47769  Polygonum douglasii F. R. Fosberg 1957-8-18 38854 Modoc Upper Rush Creek Campground, NE of Adin 1600 Comment
  JEPS94840  Polygonum douglasii subsp. spergulariiforme Vernon H. Oswald and Lowell Ahart 1998-9-8 9590 Modoc County Road 93 adjacent to the Rail Road at Lookout Junction nw of Lookout; County Road 93 1280 Comment
  SEINET3405928 Image available Polygonum douglasii var. johnstonii Arnold Tiehm 1984-6-30 8841 Modoc NW side of Bidwell Mt., 2.8 road miles N of 8 mile creek on the road from Lake Annie 1829 Comment
  JEPS86718  Polygonum polygaloides subsp. confertiflorum John Hale 1990-7-10 Modoc 16 mi wnw of Canby (adjacent to CA Highway 139, near concrete spillway of water project, w Modoc County) Comment
  OBI70749  Polygonum polygaloides subsp. confertiflorum Louis C. Wheeler 1973-8-22 s.n. Modoc Devils Garden: Ca. 1/4 mi SW of Big Sage Reservoir. T43N R12E sec 18 Comment
  UC1060639  Polygonum polygaloides subsp. confertiflorum Herbert L. Mason 1957-7-6 14724 Modoc vernal pool near Plum Creek Camp Ground Comment
  CAS-BOT-BC218177  Polygonum polygaloides subsp. esotericum Alice Eastwood; John Thomas Howell 1940-6-14 8228 Modoc 8 mi. NW of Canby. Comment
  CHSC117817  Polygonum polygaloides subsp. esotericum L. P. Janeway 2016-5-16 11975 Modoc Modoc Plateau. Devils Garden area; along Road 47N07 1.8 road-km south of Road 181/73/47N09. 1573 Comment
  CHSC81398  Polygonum polygaloides subsp. esotericum R. E. Preston 2000-7-19 1423 Modoc Ca. 9 mi nw of Canby, on n side of Hwy 139, 2.0 mi w of Forest Service Rd 46N10. 1488 Comment
  JEPS98246  Polygonum polygaloides subsp. esotericum R. E. Preston 2000-7-18 1404 Modoc 13 mi NW of Canby (along Hwy 139; ca 0.6 mi e of FSR 44N11) 1487 Comment
Read comments
Sep 13 2017
  UCD77935  Polygonum polygaloides subsp. esotericum Robert E. Preston 2000-7-18 1414 Modoc Ca. 15 mi nw of Canby, along Hwy 139, 0.1 mi e of Forest Service Rd 43N03. 1447 Comment
  UCD77941  Polygonum polygaloides subsp. esotericum Robert E. Preston 2000-7-17 1394 Modoc Ca. 9.5 mi nw of Canby, on s side of Hwy 139. 1487 Comment
  NY407629  Polygonum sawatchense R. J. Weatherby 1955-7-7 1608 Modoc Northern Juniper Woodland. 7 miles north of Fort Bidwell. 1874.5 Comment
  HSC17501  Polygonum sawatchense subsp. sawatchense M. T. Milligan 1965-6-30 389 Modoc E of Jess Valley. 1707 Comment
  RSA603999  Porterella carnosula L. C. Wheeler 1935-8-3 3756 Modoc Warner Mountains: Rock Lake, Pine Creek 1920 Comment
  CAS-BOT-BC242243  Potamogeton foliosus Louis Cutter Wheeler 1935-9-1 3933 Modoc Pine Spring, Devil's Garden. 1524 Comment
  UCD138281  Potamogeton gramineus Calvin McMillan; Malcolm A. Nobs 1949-6-16 788 Modoc Dry Valley Reservoir, 33 miles NNW of Alturas. Comment
  CAS-BOT-BC242231  Potamogeton nodosus Bruce Bartholomew 1994-5-29 6732 Modoc Curtis Water Hole, NW of Egg Lake. 1280 Comment
  CAS-BOT-BC242271  Potamogeton richardsonii Herbert Louis Mason; Verne Grant 1947-7-11 13380 Modoc Road from Likely to Jess Valley, ca. 1 mi. E of Likely. Comment
  CAS-BOT-BC214737  Potentilla biennis Bruce Bartholomew 1991-7-6 5981 Modoc W side of Egg Lake between the lava beds and Egg Lake. 1300 Comment
  CDA42914  Potentilla biennis L. Ahart, John Dittes 2012-7-1 18307 Modoc Northeast of the old homestead, Ash Creek State Wildlife Area, about 3.2 miles (air) west of Adin, about 8.4 miles (air) northeast of Bieber, Big Valley. Comment
  UC748060  Potentilla drummondii subsp. bruceae Annie M. Alexander and Louise Kellogg 1946-6-30 4872 Modoc Highgrade, w side of ridge n end of Warner Mountains 2377 Comment
  UCR270416  Potentilla glandulosa John F. Emmel 2000-8-3 1683 Modoc Modoc Plateau, north end of the Warner Mountains, slope and meadow 0.6 air mile ESE of Moonlight Mines, on NW flank of Mt. Bidwell 2470 Comment
  POM229173  Potentilla glandulosa Louis C. Wheeler 1935-8-8 3810 Modoc Warner Mountains: N Fork Bidwell Creek. 2378 Comment
  CAS-BOT-BC214777  Potentilla gracilis Bruce Bartholomew; Barrett Anderson 1988-7-21 4424 Modoc S end of Whitehorse Flat Reservoir. 1340 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
  UCD113859  Potentilla gracilis Verne Grant; Irving Schneider 1947-7-19 8073 Modoc Williams ranch; along Souhern Pacific right-of-way near East Canal, in Pit Valley south of Alturas. Comment
  CHSC70769  Potentilla gracilis var. fastigiata A. Sanger 1997-6-11 2512 Modoc Meadow on the east side of road 44N69. Warner Mountain Ranger District. 1981 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
  RSA85691  Potentilla gracilis var. flabelliformis F. W. Peirson 1926-6-25 6883 Modoc 1 mile east of summit of Cedarville Road, Warner Mountains Comment
  UC1037235  Potentilla rivalis Leo Whitney 1934-5-20 3041 Modoc bank of Lost River near Clear Lake; bank of Lost River near Clear Lake 1463 Comment
  UC1191493  Potentilla rivalis Verne Grant, Irving Schneider 1947-8-27 8318 Modoc sw end Clear Lake; sw end of Clear Lake Comment
  UC1540172  Potentilla rivalis Dean W. Taylor 1987-8-9 9283 Modoc Northeastern California 1371 Comment
  NY833594  Potentilla rivalis var. millegrana H. L. Mason 1947-8-9 13476 Modoc East side of Fairchild Swamp, north of Alturas Comment
  CAS-BOT-BC225020  Poteridium annuum Mrs. H. C. Cantelow 1940-6-1 3466 Modoc 32.7 mi. N of Alturas, Hwy 395. Comment
  JEPS119665  Poteridium annuum Lowell Ahart, John Dittes 2012-7-11 18341 Modoc About 1/2 mile southeast of the Pilot Butte Parking Lot, north edge of Ash Creek floodplain, about 1.5 miles (air) south of County Road 87, about 7.5 miles (air) west of Adin, about 10.2 miles (air) east of Lookout, Big Valley. Comment
  CAS-BOT-BC179342  Prunella vulgaris K. Paulson; Robert Paulson 1989-7-12 175 Modoc Vicinity of Mill Creek Falls, NE side end of Jess Valley. Comment
  POM70066  Prunella vulgaris var. lanceolata Mrs. R. M. Austin 1895-07 443 Modoc Goose Lake Valley. Comment
  OBI10066  Prunus emarginata H. E. McMinn 1931-5-23 2473 Modoc Warner Mts Comment
  RSA520438  Prunus emarginata Bruce Bartholomew 1990-4-28 5206 Modoc 6.3 km SE of Rush Creek on road to Hunters Ridge. 1670 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
  RSA101376  Prunus subcordata R. Weatherby 1955-7-8 1630 Modoc Warner Mtns. 6 miles N of Ft. Bidwell. 1646 Comment
  UC62227  Prunus subcordata Mrs. M. H. Manning 1904-9-1 2 Modoc Alturas Comment
  CAS-BOT-BC225010  Prunus virginiana var. demissa A. D. Borden 1911-6-15 s.n. Modoc S slope of Shields Creek. 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
  JEPS68372  Pseudoroegneria spicata subsp. spicata L. S. Smith 1917-7-10 106 Modoc Warner Mountains, Granger Mill Camp Granger Mill Camp; Warner Mountains, Granger Mill Camp 2194 Comment
  UC1024990  Pseudoroegneria spicata subsp. spicata Leo Whitney 1935-7-7 3398 Modoc 4 mi nw of Canby (Howard Gulch); Howard Gulch Comment
  UC188857  Pseudoroegneria spicata subsp. spicata Milo S. Baker Modoc near Forestdale Comment
  CAS-BOT-BC95226  Pseudostellaria jamesiana John Thomas Howell 1934-6-11 11959 Modoc Parker Creek, Warner Mts. 1584 Comment
  CHSC109460  Pseudostellaria jamesiana B. Castro; L. P. Janeway 2012-7-24 1950 Modoc Warner Mountains. Northwestern flank of Mount Bidwell; ca 0.6 air mi S of Dismal Swamp. 7740 Comment
  NY63590  Pseudotsuga menziesii var. menziesii B. M. Bartholomew 1992-5-14 6273 Modoc Northeast side of White Horse Mountains, southwest of White Horse Flat Reservoir 1400 Comment
  UCD135274  Psilocarphus brevissimus Herbert L. Mason; Verne Grant 1947-7-10 13328 Modoc Dorris Reservoir, 2 miles east of Alturas. Comment
  CAS-BOT-BC50385  Psilocarphus brevissimus var. brevissimus John Thomas Howell 1934-7-2 12361 Modoc Near mouth of Willow Creek, NE side of Clear Lake. Comment
  CHSC112065  Psilocarphus brevissimus var. brevissimus L. P. Janeway; B. Castro 2014-6-3 11323 Modoc Great Basin. On the dry cracked white mud of Big Mud Lake, near the northwest edge. 1637 Comment
  HSC46113  Pterospora andromedea J. P. Smith, J. O. Sawyer 1973-8-9 7255 Modoc Blue Lake, Modoc National Forest 1829 Comment
  UC1608978  Pteryxia terebinthina var. californica B. Bartholomew 1993-6-12 6583 Modoc Road to Day Rock from Little Hot Spring Valley 381 Comment
  UCD32718  Puccinellia Beecher Crampton 1954-7-7 2155 Modoc Modoc County, 2.5 miles east of Alturas, near radio station KCNO. Comment
  JEPS120886  Puccinellia lemmonii Lowell Ahart, John Dittes, Todd Sloat 2013-6-8 18763 Modoc About 300 yards NE of Parking Area, NE of the old barn, Ash Creek Wildlife Area, about 3.9 air miles W of Adin, about 7.7 air miles NE of Bieber. Big Valley. Comment
  RSA323603  Puccinellia lemmonii A. Tiehm, Jan Nachlinger, Gary Schoolcraft 1984-6-24 8799 Modoc Surprise Valley, east side of Middle Alkali Lake, east of Cedarville. 1357 Comment
  SEINET10542464  Purshia tridentata David B. Dunn, Paul Gallian 1971-6-2 Dunn 17772 Modoc 9 miles sw of canby on hwy 299, in decomposed granite; in artemesia, very moist Season of year with melting patches of snow. Pinus ponderosa-juniper assoc. 30-40 Degrees slope 1463 Comment
  UCSB16509  Purshia tridentata var. tridentata Haller, John 1962-6-7 Modoc Little Meadows campground, South Fork of the Pit River, 8 miles east of Likely, 1.5 miles west of the western end of Jess Valley; Warner Mountains 1524 Comment
  HSC80766  Pyrola picta G. M. Riegel 1979-9-4 740 Modoc S Warner Mtns. 1670 Comment
  UC76017  Pyrrocoma carthamoides var. cusickii Milo S. Baker 1894-6-29 Modoc Big Valley near Lookout; Big Valley Comment
  HSC67877  Pyrrocoma hirta J. P. Smith, J. O. Sawyer 1973-8-8 7249 Modoc Along summit trail to Patterson Guard Station, 1 mi. S of trail to N Emerson Lake 2561 Comment
  CAS-BOT-BC50353  Pyrrocoma lanceolata var. lanceolata Bruce Bartholomew 1990-6-18 5365 Modoc S side of Goose Lake, ca. 5 km SSE of McGinty Point. 1400 Comment
  CAS-BOT-BC50357  Pyrrocoma lanceolata var. subviscosa Harvey Monroe Hall 1925-8-30 12212 Modoc 19 mi. S of Alturas on Hwy 395, at N edge of Likely. Comment
  POM229879  Pyrrocoma racemosa var. paniculata L. C. Wheeler 1935-9-27 4008 Modoc Pease Flat, Devil's Garden. 1524 Comment
  JEPS5955  Raillardella argentea Frances D. Payne 1929-7-26 132 Modoc Warren Peak Warner Mountains 2743 Comment
  UC9361  Ranunculus alismifolius var. alismifolius Milo S. Baker 1893-6-18 Modoc Comment
  POM275137  Ranunculus alismifolius var. hartwegii A. M. Alexander 1946-6-8 4696 Modoc Road from Eagleville to Patterson Mill. 2287 Comment
  CHSC37773  Ranunculus andersonii N. Prouty 1980-6-9 184 Modoc Sheep Rock Timber Sale. 2072 Comment
  CAS-BOT-BC217262  Ranunculus aquatilis var. aquatilis Robert Folger Thorne; C. W. Tilforth 1969-9-5 39171 Modoc Clear Lake, Warner Mountains. 1767 Comment
  CAS-BOT-BC217265  Ranunculus aquatilis var. aquatilis Alice Eastwood; John Thomas Howell 1940-6-14 8219 Modoc 8 mi. NW of Canby. 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
  JEPS60660  Ranunculus aquatilis var. capillaceus Frances D. Payne 1932-7-14 681 Modoc s and e Alturas; Warner Mountains, Parker Creek Canyon 1706 Comment
  UC480945  Ranunculus cymbalaria var. saximontanus W. P. Taylor and H. C. Bryant 1910-7-13 Modoc Head N. Fork Parker Cr. Warner Mountains 2225 Comment
  POM269956  Ranunculus cymbalaria var. saximontanus Louis C. Wheeler 1935-8-3 3769 Modoc Pine Creek, Warner Mts 1555 Comment
  RSA604932  Ranunculus cymbalaria var. saximontanus Louis C. Wheeler 1935-8-3 3769 Modoc Pine Creek, Warner Mts 1555 Comment
  JEPS55077  Ranunculus glaberrimus Leland S. Smith 1918-3-21 915 Modoc near Alturas; Juniper Flats 1371 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
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May 28 2006
  UC1191128  Ranunculus glaberrimus William P. Dasmann 1947-4-19 32 Modoc Saddle Blanket Flat area 1371 Comment
  UC13929  Ranunculus glaberrimus Mrs. R. M. Austin April, 1894 Modoc Comment
  RSA304739  Ranunculus glaberrimus var. ellipticus James R. Shevock 1971-4-9 947 Modoc Summit Hwy 299. 1524 Comment
  RSA520474  Ranunculus glaberrimus var. ellipticus Bruce Bartholomew, B. Anderson 1989-4-27 4632 Modoc Ryan Canyon, 6km NW of Adin on road to Dutch Flat. 1370 Comment
  CAS-BOT-BC217177  Ranunculus occidentalis John Thomas Howell 1934-6-11 11965 Modoc Parker Creek, Warner Mts. 1584 Comment
  UC9474  Ranunculus occidentalis Mrs. R. M. Austin and Bruce July 1898 2305 Modoc Ross canyon Comment
Read comments
May 13 2013
  UCD96820  Ranunculus occidentalis W. E. Moon 1959-5-19 s.n. Modoc along State Hwy 139, 4 miles northwest of Canby. Comment
  HSC28250  Ranunculus occidentalis var. dissectus J. P. Smith, J. O. Sawyer 1972-5-6 5263 Modoc FS road to Quail Spring at Hwy. 299, N of Adin 1463 Comment
  SEINET12091408  Ranunculus orthorhynchus A. Seneres, Harold, N. 1983-1 106 Modoc Warner Mts Comment
  CHSC117241  Ranunculus sardous Lowell Ahart; John Dittes 2016-7-16 21256 Modoc Strand of the second pond, south of Ash Creek Canal (now filled in), south of Ash Creek, Ash Creek State Wildlife Area, 0.79 miles (air) south of County Road 87, 1.75 miles (air) west of Adin, Big Valley. 1273 Comment
  RSA8221  Ranunculus sceleratus Elmer I. Applegate 1929-7-29 6090 Modoc Clear Lake Dam, Clear Lake. Comment
  CAS-BOT-BC217197  Ranunculus sceleratus var. multifidus C. C. (Mrs.) Bruce 1897-6-1 486 Modoc Fletcher Creek, Goose Lake. Comment
  CAS-BOT-BC217153  Ranunculus testiculatus Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-13 6542 Modoc 8 km E of Likely along S Fork of Pit River. 1380 Comment
  RSA59715  Ranunculus uncinatus E. K. Balls 1950-5-18 14760 Modoc Upper Rush Creek Public Camp, 2.5 miles E from Hwy 299. 1402 Comment
  UC420725  Rhamnus rubra Franklin P. Nutting 1920-8-1 Modoc Big Valley Mts. Comment
  SEINET13946370 Image available Rhamnus rubra E. K. Balls, P. C. Everett 1952-1 18156 Modoc .3 mi SE of crest of Fandango Pass, Warner Mts., Alt. 6000 ft. Comment
  JEPS114532  Rhaponticum repens Lowell Ahart, John Dittes 2008-8-25 15309 Modoc On the east bank (flood plain) of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout 1273 Comment
  CAS-BOT-BC58197  Rhododendron columbianum Elmer I. Applegate 1932-8-6 8210 Modoc Just above Lily Lake, Bidwell Pass, Warner Mts. Comment
  HSC20274  Ribes aureum M. T. Milligan 1966-5-14 616 Modoc E slope of eroded volcanic plateau 1677 Comment
  UC71821  Ribes aureum Mrs. M. H. Manning 1903-4 95 Modoc valley near Fort Bidwell Comment
  UC465779  Ribes aureum M. F. Gilman 527 Modoc Comment
  CAS-BOT-BC225863  Ribes cereum E. S. Willits 1940-4-27 190 Modoc Sugar Hill. Comment
  CAS-BOT-BC225887  Ribes cereum Bruce Bartholomew 1990-6-15 5233 Modoc Flat between Deer Spring Ridge and Sweagert Flat. 1900 Comment
  HSC20287  Ribes cereum R. C. Wunner 1965-6-20 228 Modoc Lava Beds N.M., Lava Brook Cave. 1463 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
  UC11512  Ribes cereum Mrs. R. M. Austin and Bruce June 1898 2357 Modoc Lake City Mt. Comment
  UC1281034  Ribes cereum H. E. McMinn 1931-5-23 2463 Modoc Cedarville Road Warner Mts. 1889 Comment
  UC1553402  Ribes cereum G. Schoolcraft 1988-7-12 1825 Modoc N. Deep Creek, at lower part Warner Mtns. 1554 Comment
  UC711874  Ribes cereum Roxana S. Ferris and Laura Lorraine 1941-8-13 10538 Modoc Patterson Ranger Station (East Creek drainage) Warner Mountains, Modoc National Forest 2164 Comment
  UC71793  Ribes inerme var. inerme Mrs. M. H. Manning 1903-1 96 Modoc Warner River Comment
  CAS-BOT-BC225917  Ribes velutinum F. Angwin 1946-4-21 s.n. Modoc Stone Coal Canyon, 12 mi. NE of Adin. 1280 Comment
  OBI48065  Ribes velutinum Rhonda Riggins 1989-4-28 1666 Modoc Pencil rd, 4.4 mi N of hwy 395 E of Alturas 1524 Comment
  CAS-BOT-BC225932  Ribes viscosissimum Bruce Bartholomew 1989-8-12 5119 Modoc South Fork of Pine Creek where it crosses West Warner Road, W side of Warner Mountains. 1900 Comment
  CAS-BOT-BC225936  Ribes viscosissimum Bruce Bartholomew; Barrett Anderson 1988-6-24 4298 Modoc Road beyond Poison Lake ca. 8 km S of the road from U.S. Highway 395 to Lily Lake, Warner Mts.. 2130 Comment
  CAS-BOT-BC225945  Ribes viscosissimum A. D. Borden 1911-6-15 Modoc Davis Creek. Comment
  SEINET5339892  Ribes viscosissimum var. hallii M. J. Williams 1984-6-29 84- 71 -3 Modoc Lily Lake, west side of the Warner Mountains 2073 Comment
  CAS-BOT-BC50366  Rigiopappus leptocladus Francis Dorris Payne 1932-6-10 638 Modoc Parker Creek. 1584 Comment
  CAS-BOT-BC58408  Rorippa austriaca M. K. Bellue 1933-6-1 Modoc Alturas. Comment
  CDA13466  Rorippa austriaca G. F. Hrusa, T. D. Wilfred 1996-7-21 13313 Modoc Modoc Plateau; Above Pit River at Modoc Co. Rd. 90 bridge. E base of Splawn Mtn. N end of Big Valley. Comment
  UCR47628  Rorippa austriaca Don Pendleton 1987-6-24 s.n. Modoc Hwy 395 near town of Likely. Comment
  CDA37893  Rorippa austriaca J. L. Johnson 1973-1 s.n. Modoc 0 Comment
  UCD115242  Rorippa austriaca W. S. Ball 1937-6-27 s.n. Modoc Corporation Ranch. Comment
  CAS-BOT-BC58424  Rorippa curvisiliqua Clare Butterworth Hardham 1974-8-6 20175 Modoc Cedar Pass, Warner Mountains. 1938 Comment
  HSC6900  Rorippa curvisiliqua M. T. Milligan 1966-7-27 590 Modoc N end of Jess Valley 1616 Comment
  CAS-BOT-BC58379  Rorippa curvisiliqua Leland S. Smith 1922-7-7 1261 Modoc Near Ft. Bidwell, along boundary of Forest. 1737 Comment
  CHSC109646  Rorippa curvisiliqua var. orientalis Lowell Ahart; John Dittes 2012-7-12 18340 Modoc North edge of Ash Creek, south of the gravel pit, about 1/8 mile east of the parking area on the east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adam, about 8 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  JEPS114450  Rorippa curvisiliqua var. orientalis Lowell Ahart, John Dittes 2008-6-21 15000 Modoc In the drying pond, north of the large culvert, east of the large levee, in Big Valley, about 2.8 miles (air) north of the Headquarters at Ash Creek State Wildlife Area, about 5.4 miles (air) northeast of Bieber 1255 Comment
  RSA210832  Rorippa islandica R. F. Thorne, James Henrickson, C. W. Tilforth 1969-9-3 39021 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
  UC1191534  Rorippa nasturtium-aquaticum Verne Grant and Irving Schneider 1947-7-19 8078 Modoc in Pit Valley s Alturas (Williams Ranch, along Southern Pacific right-of-way near East Canal); Pit Valley s of Alturas Comment
  UC1056985  Rorippa tenerrima F. H. Frost 1925-7-27 173 Modoc Clear Lake Clear Lake (nw Modoc County) Comment
  CAS-BOT-BC497209  Rosa Gladys L. Smith; Margaret Williams; Loring Williams; Charles Smith 1983-9-14 8384 Modoc About 7.0 mi N of Cedarville along side road to Wilson Patch Ranch (see US Forest Serv. map) Comment
  CAS-BOT-BC147385  Rosa californica Mrs. R. M. Austin; Mrs. Bruce 1898-7-1 2342 Modoc Shore Goose Lake Comment
  HSC59871  Rosa woodsii subsp. ultramontana J. P. Smith, J. O. Sawyer 1973-8-9 7254 Modoc Blue Lake, Modoc National Forest. 1829 Comment
  RSA101385  Rosa woodsii subsp. ultramontana R. Weatherby 1955-7-8 1627 Modoc 5 miles north of Ft. Bidwell, no. Warner Mts. 1784 Comment
  CAS-BOT-BC218259  Rosa woodsii var. ultramontana Bruce Bartholomew; Barrett Anderson 1990-7-20 5547 Modoc N edge of Howard Flat, W side of Warner Mts. 2000 Comment
  CAS-BOT-BC218265  Rosa woodsii var. ultramontana Verne Grant; I. Schneider 1947-7-18 8045 Modoc Eastside Canall, 5 mi. N of Bayley's bridge, S of Alturas. 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
  UC467685  Rosa woodsii var. ultramontana Milo S. Baker 1898-1 Modoc Forestdale Comment
  UC467795  Rosa woodsii var. ultramontana W. P. Taylor and H. C. Bryant 1910-6-11 Modoc S. Fork Pitt River, Alturas 1402 Comment
  UC12849  Rosa woodsii var. ultramontana Mrs. R. M. Austin and Bruce Jul 1898 2842 Modoc Comment
  UC12857  Rosa woodsii var. ultramontana Milo S. Baker 1893-6 Modoc Comment
  RSA520485  Rubus parviflorus Bruce Bartholomew 1989-7-14 4929 Modoc Along Rush Creek between Lower and upper Rush Creek Campgrounds. 1520 Comment
  CAS-BOT-BC211338  Rumex acetosella Bruce Bartholomew 1991-7-4 5888 Modoc S end of Higgins Flat. 1370 Comment
  CAS-BOT-BC211339  Rumex crispus Isabelo T. Kelly 1930-1-1 54 Modoc Modoc Co. Comment
  NY430648  Rumex salicifolius subsp. triangulivalvis J. T. Howell 1934-6-15 12189 Modoc Alturas Comment
  UC1101215  Rumex salicifolius var. lacustris Verne Grant and Irving Schneider 1947-8-27 8328 Modoc s end Clear Lake Comment
  UC711876  Rumex salicifolius var. triangulivalvis Roxana S. Ferris and Laura Lorraine 1941-8-13 10550 Modoc Patterson Ranger Station, East Creek drainage Warner Mountains, Modoc National Forest, East Creek 2164 Comment
  CAS-BOT-BC245204  Sagittaria cuneata Louis Cutter Wheeler 1935-8-5 3787 Modoc Little Lily Lake. 2286 Comment
  CHSC109501  Sagittaria cuneata L. P. Janeway; B. Castro 2012-7-26 11003 Modoc Warner Mountains. At Little Lily Lake, 2.4 air km north of Mt. Vida. 2258 Comment
  SEINET8466591 Image available Sagittaria cuneata R. F. Thorne, C. W. Tilforth 1969-9-4 39058 Modoc 2 mi W of Davis Creek (town), S of Goose Lake. 1341 Comment
  UC935795  Sagittaria cuneata Herbert L. Mason and Verne Grant 1947-7-12 13413 Modoc irrigation ditch near s end of west side road Pit River Valley s Alturas; Pit River Valley Comment
  POM266068  Salix C. Leo Hitchcock 1940-5-27 6698 Modoc 15 miles northeast of Alturas. 1616 Comment
  CAS-BOT-BC225118  Salix boothii Belknap C. Goldsmith 1910-8-11 19 Modoc Summit of Warner Mts, near Oregon-California line. 2194 Comment
  CAS-BOT-BC225754  Salix boothii Francis Dorris Payne 1932-7-21 728 A Modoc S of Mosquito Lake, E side of Mt. Warnen (Buck Mt.), Warner Mts., E of Alturas. Comment
  RSA5674  Salix boothii Frances D. Payne 1931-7-7 331 Modoc Pine Creek Basin. Warner Mtns. About 33 km SE of Alturas. 2280 Comment
  UC492377  Salix boothii Frances D. Payne 1932-7-21 729 Modoc e of Alturas (marsh s of Mosquito Lake); Warner Mts., e side Mt. Warren (Buck Mt.) Comment
  LA208600  Salix eastwoodiae Frances D. Payne; 1931-7-8 177 Modoc Warner Mountains, Pine Creek Basin, about 33 km. SE of Alturas 2280.0 Comment
  UC481849  Salix eastwoodiae Frances D. Payne 1931-6-25 277 Modoc Pine Creek Basin, Warner Mountains, about 33 km, southeast of Alturas 2280 Comment
  UC481867  Salix eastwoodiae Frances D. Payne 1931-7-8 177 Modoc Pine Creek Basin, Warner Mountains, about 33 km southeast of Alturas 2280 Comment
  UCR64478  Salix eastwoodiae Frances D. Payne 1931-6-25 275 Modoc Warner Mtns., Pine Creek Basin, c. 33 km. southeast of Alturas 2280 Comment
  CAS-BOT-BC225772  Salix exigua Alice Eastwood; John Thomas Howell 1940-6-13 8176 Modoc E side of Cedar Pass. Comment
  CAS-BOT-BC225776  Salix exigua H. P. Bracelin 1934-6-13 817 Modoc E side of Bidwell Mt. near foot of grade, about 6 mi. N of Fort Bidwell. Comment
  NY187440  Salix exigua N. F. Bracelin 1931-6-30 501 Modoc Alturas 1360 Comment
  NY187446  Salix exigua F. D. Payne 1931-6-30 494 Modoc Parker Creek, 20 km east of Alturas. Meadow south of Payne Ranch 1560 Comment
  RSA152680  Salix exigua I. L. Wiggins, Dorothy B. Wiggins 1961-6-12 16365 Modoc Pit River. 3.9 miles N of Alturas. Comment
  SBBG58877  Salix exigua Mrs. H. P. Bracelin 1931-6-30 488 Modoc Parker Crk, 20 km E of Alturas, meadow S of Payne Ranch 1560 Comment
  SD889  Salix exigua var. hindsiana Mrs. H. P. Bracelin 1931-6-30 501 Modoc Alturas, in a willow thicket at southwest end of town 1360 Comment
  NY187774  Salix lasiandra L. C. Wheeler 1935-8-3 3772 Modoc Pine Creek, Warner Mts. 1554.5 Comment
  CAS-BOT-BC229685  Salix lasiandra subsp. caudata F. Angwin 1946-5-23 s.n. Modoc Ash Creek, Adin. 1371 Comment
  CAS-BOT-BC229686  Salix lasiandra subsp. caudata C. L. Hitchcock 1940-5-27 6699 Modoc 12 mi. NE of Alturas. 1615 Comment
  JEPS114783  Salix lasiandra var. lasiandra 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
  SD997  Salix lasiandra var. lasiandra Mrs. H. P. Bracelin, Miss Frances D. Payne 1931-6-30 498 Modoc Parker Creek, 20 km east of Alturas, in meadow south of Payne Ranch 1559 Comment
  UC481926  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-29 486 Modoc halfway between Adin and Canby 1350 Comment
  UC481928  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-29 486 Modoc halfway between Adin and Canby 1350 Comment
  UC481935  Salix lasiolepis Mrs. H. P. Bracelin and Miss Frances D. Payne 1931-6-30 492 Modoc 20 km. e. Alturas (Parker Creek, meadow beside creek of Payne Ranch house); Parker Creek 1560 Comment
  CAS-BOT-BC197553  Salix lasiolepis var. lasiolepis H. P. Bracelin 1934-6-16 825 Modoc Rush Creek Bridge, 5 mi. N of Adin. Comment
  CAS-BOT-BC229664  Salix lemmonii Francis Dorris Payne 1931-6-25 279 Modoc Pine Creek Basin, Warner Mts., about 33 km SE of Alturas. 2280 Comment
  CAS-BOT-BC229698  Salix lemmonii Francis Dorris Payne 1931-7-7 332 Modoc Pine Creek Basin, Warner Mts., about 33 km SE of Alturas. 2280 Comment
  CAS-BOT-BC229699  Salix lemmonii H. P. Bracelin; Francis Dorris Payne 1931-6-30 496 Modoc Parker Creek, 20 km E of Alturas. 1560 Comment
  UC472124  Salix lemmonii Mrs. M. H. Manning 1903-4-23 78 Modoc near Fort Bidwell Fort Bidwell; n.e. Modoc Co. Comment
  UC482348  Salix lemmonii Mrs. H. P. Bracelin and Miss Frances D. Payne 1931-6-30 496 Modoc 20 km. e. Alturas (meadow s. of Payne Ranch, Parker Creek); Parker Creek 1560 Comment
  CAS-BOT-BC229678  Salix lutea H. P. Bracelin; Francis Dorris Payne 1931-6-30 499 Modoc Parker Creek, 20 km E of Alturas. 1560 Comment
  SBBG57894  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
  UC159111  Salix lutea B. C. Goldsmith 1910-1 Modoc <Alturias> [Alturas] Comment
  UC481941  Salix melanopsis Mrs. H. P. Bracelin and Miss Frances D. Payne 1931-6-30 491 Modoc 20 km. e. Alturas (meadow s. of Payne Ranch, Parker Creek); Parker Creek 1560 Comment
  UC5080  Salix melanopsis Mrs. R. M. Austin and Bruce June 1898 2340 Modoc Goose Lake Valley Comment
  CAS-BOT-BC229845  Salix prolixa Leland S. Smith 1917-6-21 54 Modoc Cantrall's Mill. 1828 Comment
  CAS-BOT-BC229832  Salix scouleriana Louis Cutter Wheeler 1935-8-3 3759 Modoc Pine Creek, Warner Mts. 1737 Comment
  CAS-BOT-BC229836  Salix scouleriana Belknap C. Goldsmith 1911-5-21 26 Modoc E shore of Goose Lake. Comment
  HSC80730  Salix scouleriana G. M. Riegel 1980-8-27 1112 Modoc S Warner Mtns. 2100 Comment
  RSA610750  Salix scouleriana Louis C. Wheeler 1935-8-3 3759 Modoc Warner Mountains: Pine Creek. 1738 Comment
  SEINET5343721  Salvia aethiopis M. J. Williams 1984-6-29 84- 70 -1 Modoc North of Alturas on Hwy 395 almost to Oregon border 1433 Comment
  JEPS46339  Sanguisorba annua Frances D. Payne 1931-6-17 168 Modoc s and e Alturas (Parker Creek, Warner Mountains); Warner Mountains, Parker Creek 1584 Comment
  CAS-BOT-BC15720  Sanicula graveolens K. Paulson; Robert Paulson 1988-5-24 13 Modoc Parker Creek Road, Warner Mts.. 1645 Comment
  CAS-BOT-BC15721  Sanicula graveolens Elmer Ivan Applegate 1932-7-31 7968 Modoc Mill Creek Meadow, W slope of Warner Mts. Comment
  CAS-BOT-BC15722  Sanicula graveolens Bruce Bartholomew; Barrett Anderson 1988-7-23 4559 Modoc Road beyond Poison Lake ca. 8 km S of the road from U.S. Highway 395 to Lily Lake, Warner Mts.. 2140 Comment
  CHSC109490  Sanicula graveolens L. P. Janeway; B. Castro 2012-7-26 11005 Modoc Warner Mountains. At Little Lily Lake, 2.4 air km north of Mt. Vida. 2258 Comment
  UC1583999  Saxifraga integrifolia G. Schoolcraft 1990-6-7 2083 Modoc about 12 mi ne of Alturas (near Joseph Creek) 1615 Comment
  JEPS47549  Saxifraga oregana Milo S. Baker 1898-8-22 564 Modoc Bear Valley Mountains Comment
  CHSC100384  Schoenoplectus acutus var. occidentalis Lowell Ahart; John Dittes 2008-8-25 15316 Modoc At water's edge, on the east bank (flood plain) of the Pit River, about 1/8 mile east of County Road 91,about 3.8 miles (air) north-northeast of Lookout. 1273 Comment
  UCR67015  Schoenoplectus acutus var. occidentalis George K. Helmkamp 1990-9-23 J- 8 Modoc Warner Mtns, Goose Lake, within 0.1 mi of the Oregon border 1476 Comment
  RSA59882  Scirpus nevadensis E. K. Balls 1950-5-13 14668 Modoc Goose Lake, east shore about Willow Ranch. 1463 Comment
  POM229943  Scirpus nevadensis L. C. Wheeler 1935-9-4 3944 Modoc McGinty Point, Goose Lake. 1463 Comment
  POM312849  Scirpus nevadensis H. L. Mason, Verne Grant 1947-7-12 13436 Modoc Corporation Ranch Headquarters, north of Likely. Comment
  UCD48759  Scirpus nevadensis Herbert L. Mason; Verne Grant 1947-7-12 13436 Modoc Corporation Ranch Headquarters, north of Likely. Comment
  CDA39107  Scirpus pungens T. C. Fuller 1964-10-8 12697 Modoc On edge of Goose Lake, north side of levee road, ca. 5 miles west of Davis Creek. 0 Comment
  CAS-BOT-BC197841  Scrophularia lanceolata Alice Eastwood; John Thomas Howell 1940-6-12 8047 Modoc Between Likely and Jess Valley. Comment
  CAS-BOT-BC197843  Scrophularia lanceolata Roxana Stinchfield Ferris; R. Duthie 1919-6-14 101 Modoc Above Parker Creek. 1828 Comment
  CAS-BOT-BC179228  Scutellaria nana B. Bartholomew 1992-5-15 6299 Modoc N end of Suprise Valley, S of Cow Head Lake. Surprise Valley 1600 Comment
  UC25817  Scutellaria nana Milo S. Baker 1893-7-8 Modoc Comment
  UCD92572  Secale cereale Leo Whitney 1935-7-2 3405 Modoc Badger Well. Comment
  UCR34756  Sedum rosea J. A. Harpel 1981-8-6 V 39 Modoc Warner Mtns, South Warner Wilderness Area: E end of Patterson Lake, 7 mi NW of Eagleville 2744 Comment
  SEINET8552536  Sedum stenopetalum M. J. Williams 1962-7-8 s.n. Modoc N of Cedar Pass. 2134 Comment
  SD47967  Sedum stenopetalum subsp. stenopetalum Herbert L. Mason 1957-7-6 14719 a Modoc Mill Creek, Warner Mountains. Comment
  CAS-BOT-BC50333  Senecio aronicoides Alice Eastwood; John Thomas Howell 1940-6-13 8190 Modoc W side of Cedar Pass. Comment
  CAS-BOT-BC50334  Senecio aronicoides Bruce Bartholomew 1993-6-12 6584 Modoc Road to Day Rock from Little Hot Spring Valley. 1250 Comment
  CAS-BOT-BC50339  Senecio aronicoides Bruce Bartholomew 1990-6-15 5229 Modoc S end of Deer Spring Ridge, 0.2 km N of turn off to Knox Flat. 1920 Comment
  HSC28825  Senecio aronicoides D. H. Norris, T. Nelson, S. Dowty 1971-6-22 19337 Modoc Soup Springs Campground Comment
  CDA8611  Senecio eurycephalus J. Monroe 1979-7-9 Modoc Near Parker Creek, east of Alturas. 0 Comment
  CAS-BOT-BC50262  Senecio integerrimus R. M. Austin; C. C. (Mrs.) Bruce 1898-6-1 2368 Modoc Davis Creek. Comment
  CAS-BOT-BC50260  Senecio integerrimus var. exaltatus Bruce Bartholomew 1993-6-14 6660 Modoc 8.7 km E of County Road 114 on County Road 108, NW of Clear Lake Reservoir. 1450 Comment
  CAS-BOT-BC50261  Senecio integerrimus var. exaltatus James Vale 1978-5-2 Modoc Boles Creek at Road 136 (E of S end of Clear Lake Reservoir). Comment
  CAS-BOT-BC50293  Senecio integerrimus var. exaltatus Clare Butterworth Hardham 1961-6-18 7563 Modoc Hills 3 mi. SE of Cedar Pass. 1828 Comment
  CAS-BOT-BC50297  Senecio integerrimus var. exaltatus Bruce Bartholomew; Barrett Anderson 1988-5-12 4115 Modoc S side of Egg Lake. 1300 Comment
  CAS-BOT-BC50300  Senecio integerrimus var. exaltatus Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-11 6489 Modoc Near SE corner of Big Sage Reservoir, 5.3 km E of Crowder Flat Road. 1580 Comment
  JEPS37202  Senecio serra var. serra W. L. Jepson 1918-8-9 7914 Modoc Ft. Bidwell 1432 Comment
  RSA0013302  Senecio serra var. serra L. C. Wheeler 1935-8-4 3782 Modoc Dry Lake, Pine Creek, Warner Mts. 2104 Comment
  CAS-BOT-BC50273  Senecio triangularis Bruce Bartholomew 1989-8-11 5089 Modoc Vicinity of Patterson Ranger Station, S end of Warner Mountains. 2160 Comment
  UC748066  Sibbaldia procumbens Annie M. Alexander and Louise Kellogg 1946-7-14 5069 Modoc Horse Mountain; Warner Mountains Comment
  RSA152436  Sidalcea I. L. Wiggins, Dorothy Wiggins 1961-6-13 16469 Modoc Roadside 2.4 mi. S of village of Davis Creek, SE side of Goose Lake. Comment
  UCD116666  Sidalcea glaucescens Jack Major 1966-6-24 s.n. Modoc above Goose Lake, west side of Fandango Pass. 1645 Comment
  SBBG101312  Sidalcea oregana R. R. Halse 1991-7-28 4246 Modoc St Hwy 139, 13 mi NW of its jct with St Hwy 299 1469 Comment
  CAS-BOT-BC179077  Sidalcea oregana subsp. oregana Roxana Stinchfield Ferris; R. Duthie 1919-6-13 59 Modoc Modoc Nat. Forest Boundary. Comment
  UC748250  Sidalcea oregana subsp. oregana Annie M. Alexander and Louise Kellogg 1946-7-7 4924 Modoc Eight Mile Creek Eight Mile Creek (ne corner of county) 1752 Comment
  POM84283  Sidalcea oregana subsp. oregana R. M. Austin 1895-08 417 Modoc Goose Lake Valley Comment
  RSA520348  Sidalcea oregana subsp. oregana Bruce Bartholomew, B. Anderson 1989-6-3 4886 Modoc ca. 5.5 km E of the SE cirber if Clear Lake Reservoir 1430 Comment
  CAS-BOT-BC179051  Sidalcea oregana subsp. spicata E. S. Willits 1940-6-9 338 Modoc 12 Mile Creek. Comment
  CAS-BOT-BC179053  Sidalcea oregana subsp. spicata Leland S. Smith 1920-7-13 1188 Modoc Crowder Flat. 1371 Comment
  CAS-BOT-BC179060  Sidalcea oregana subsp. spicata Annie Montague Alexander; L. Kellogg 1946-7-11 4976 Modoc Mesa W of Eight Mile Creek. Comment
  CAS-BOT-BC191148  Sidalcea oregana subsp. spicata K. Paulson; Robert Paulson 1989-7-18 196 Modoc Vicinity of Granger Creek, E side of Warner Mts. 1914 Comment
  SD211635  Sidalcea oregana subsp. spicata Barbara Ertter 1988-6-18 7612 Modoc West side Highway 139 just South of where it crosses railroad at junction to Clear Lake, Northeast of Dry Lake East of Lava Beds National Monument, near dry drainages 1250 Comment
  CAS-BOT-BC191149  Sidalcea oregana subsp. spicata E. S. Willits 1940-6-9 339 Modoc Twelve Mile Creek. Comment
  JEPS3938  Sidalcea oregana subsp. spicata N. T. Mirov 1929-6-28 Modoc Fandango Valley Warner Mountains, Fandango Valley 1584 Comment
  JEPS50917  Silene bernardina Leland S. Smith 1918-7-10 982 Modoc Mill Creek Modoc Forest, Mill Creek 2133 Comment
  POM267211  Silene douglasii Marion Ownbey, Fred G. Meyer 1940-7-1 2154 Modoc Cedar Peak, Warner Mountains. Comment
  SD61017  Silene douglasii Darley F. Howe 1964-7-31 Modoc 8.5 miles from entrance on road from Likely. Modoc National Forest, Warner Mountains. 1550 Comment
  CAS-BOT-BC95278  Silene oregana Elmer Ivan Applegate 1932-7-31 7954 Modoc Mill Creek Meadow, Warner Mts. Comment
  CHSC117365  Sisymbrium altissimum Lowell Ahart; John Dittes 2016-7-14 21180 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
  CHSC85400  Sisymbrium altissimum John Dittes; Josephine Guardino 1991-7-21 416 Modoc Modoc Plateau; Big Valley; Ash Creek Wildlife Area; ca. 5.7 air-miles northeast of Bieber, ca. 7.6 air-miles west of Adin, ca. 1.5 air-mile southeast of Pilot Butte summit, meadow at northern edge of Ash Creek Floodplain (Big Swamp) at southeast base of Pilot Butte. 1258 Comment
  CAS-BOT-BC95044  Sisymbrium altissimum Gordon H. True 1964-6-3 1452 Modoc South Fork Pit River between Alturas and Goose Lake. 1463 Comment
  CHSC85188  Sisyrinchium bellum John Dittes; Josephine Guardino 1991-6-1 379 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
  SEINET3158643  Sisyrinchium 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-BC245081  Sisyrinchium idahoense var. idahoense Bruce Bartholomew 1991-7-4 5887 Modoc S end of Higgins Flat. 1370 Comment
  HSC13935  Sisyrinchium idahoense var. idahoense M. T. Milligan 1965-7-11 445 Modoc N end of Jess Valley 1616 Comment
  CAS-BOT-BC15679  Sium suave Verne Grant; I. Schneider 1947-7-19 8062 Modoc Corporaton Ranch, S of Alturas. Comment
  UC3868  Smilacina racemosa Milo S. Baker 1893-6-29 Modoc Comment
  CDA39384  Smilacina stellata T. C. Fuller 1963-6-11 10654 Modoc 3.1 miles north of Blue Lake Guard Station, 14.0 miles southeast of Likely. 0 Comment
  CDA5944  Solanum dulcamara T. C. Fuller 1958-7-8 1946 Modoc Corporation Ranch, Likely. 0 Comment
  NY821107  Solanum parishii B. M. Bartholomew 1988-6-23 4260 Modoc 1.8 km WSW of Day on County Road 94. Fall River Mills 15' Quad. 1170 Comment
  RSA0020576  Solanum physalifolium var. nitidibaccatum Louis C. Wheeler 1935-8-6 3798 Modoc Mouth Pine Creek, Warner Mountains. 1509 Comment
  CAS-BOT-BC245426  Solanum triflorum Verne Grant; Herbert Louis Mason 1947-7-10 13341 Modoc Doris Reservoir, 2 miles east of Alturas Comment
  CHSC106352  Solanum triflorum Lowell Ahart; John Dittes 2010-8-30 17083 Modoc Parking Area west of the old barn, on the west side of Elkins Lane, Ash Creek State Wildlife Area, 320 feet north of Lassen County Line, about 4.4 miles (air) west of Adin, about 7.2 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  JEPS114782  Solanum triflorum Lowell Ahart, John Dittes 2008-8-25 15329 Modoc On the north bank of Ash Creek, Ash Creek State Wildlife Area, 4500 feet south of County Road 87, 2.7 miles (air) west of Adin, 9.1 miles (air) northeast of Bieber 1271 Comment
  JEPS12114  Solanum triflorum Frank W. Peirson 1926-6-25 6878 Modoc Warner Mountains, Cedarville Road, 1 mi e of summit Cedarville Road; Warner Mountains, Cedarville Road Comment
  CAS-BOT-BC245425  Solanum triflorum Carl Brandt Wolf 1931-9-5 2399 Modoc 2 mi. above the east base of the grade on the road from Lake City to Davis Creek, Warner Mts. 1676 Comment
  NY820315  Solanum triflorum L. C. Wheeler 1935-9-22 3995 Modoc Pit River at Rattlesnake Butte, Warm Springs Valley 1341 Comment
  SBBG28930  Solanum triflorum F. W. Peirson 1926-6-25 6878 Modoc 0.2 mi E of summit, near Ranch, Cedarville Rd Comment
  CAS-BOT-BC245437  Solanum umbelliferum Bruce Bartholomew; Barrett Anderson 1988-6-23 4260 Modoc 1.8 km WSW of Day on County Road 94. 1170 Comment
  UC1999896  Solidago elongata J. C. Semple, B. A. Suripto, T. Ahmed 1990-8-11 9295 Modoc NE of Alturas, flood plain of N. Fork Railroad by US-395, approx. 2 km S of Joseph Creek Rd. Comment
  SBBG3121  Sorbus sitchensis H. and M. Dearing 1939-6-8 3638 Modoc Cave Lake, Warner Mtns Comment
  RSA252436  Sparganium angustifolium subsp. emersum Robert F. Thorne, C. W. Tilforth 1969-9-5 39149 Modoc Along South Fork of Pit River ca. 7 miles east of Likely. 1433 Comment
  CAS-BOT-BC242300  Sparganium emersum Louis Cutter Wheeler 1935-8-3 3761 Modoc Pine Creek, Warner Mts. 1737 Comment
  UC441314  Sparganium natans Milo S. Baker 1899-8-12 Modoc Egg Lake Comment
  UC1587093  Spartina gracilis G. Schoolcraft 1991-7-24 2186 Modoc ne of Middle Alkali Lake (Leonard Hot Spring); Leonard Hot Spring 1386 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
  JEPS117296  Stachys palustris subsp. pilosa Lowell Ahart, John Dittes 2010-8-31 17127 Modoc Edge of a pond, about 400 yards west of Elkins Lane and the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley 1267 Comment
  CAS-BOT-BC95298  Stellaria longipes var. longipes Bruce Bartholomew 1991-10-13 6118 Modoc Stream just above Cave Lake, W side of Warner Mts. 1990 Comment
  UC1101390  Stellaria longipes var. longipes Verne Grant and Irving Schneider 1947-8-24 8252 Modoc Jess Valley; Warner Mountains Comment
  CAS-BOT-BC54258  Stenotus stenophyllus Bruce Bartholomew; Barrett Anderson 1988-5-13 4150 Modoc Along Parker Creek Road, 0.5 km W of West Warner Road on Parker Creek Road, W side of the Warner Mts.. 1650 Comment
  CHSC96340  Stephanomeria lactucina Richard R. Halse 2006-8-4 6998 Modoc Along Patterson Mill Road ca. 4 miles southwest of its junction with Surprise Valley Road, east side of the southern Warner Mountains; Modoc National Forest. 2097 Comment
  CAS-BOT-BC54265  Stephanomeria spinosa Annie Montague Alexander; L. Kellogg 1946-7-5 4910 Modoc Lava Cliff west Lower Lake. Comment
  CAS-BOT-BC95049  Streptanthella longirostris Bruce Bartholomew 1991-5-24 5702 Modoc Surprise Valley, 6.6 km E of Eagleville. 1390 Comment
  NY188817  Streptanthella longirostris B. M. Bartholomew 1994-5-15 6691 Modoc E of Eagleville near the Eagleville Airport, Surprize Valley. 1380 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
  UCD164169  Streptanthus cordatus N. Ivalu Cacho; Sharon Y. Strauss, Bryan T. Drew 2010-7-7 IC-SS 135 - Modoc Warner Mtns: Warren Peak, just S of intersection of Summit and Pine Creek trails. Alpine vegetation; volcanic soil. 2740 Comment
  UC1492722  Streptanthus cordatus Freed W. Hoffman 1955-7-14 4064 Modoc s side of road on roadcut 6 mi e junction of highways 395 and 8A; Modoc National Forest 1524 Comment
  UC922245  Streptanthus cordatus Annie M. Alexander and Louise Kellogg 1946-8-9 5136 Modoc on ridge Warner Mountains, Patterson Lake Trail Comment
  CAS-BOT-BC95060  Streptanthus cordatus var. cordatus Robert J. Weatherby 1955-7-8 1628 Modoc 6 mi. N of Ft. Bidwell, northern Warner Mts. 1645 Comment
  CAS-BOT-BC95061  Streptanthus cordatus var. cordatus Francis Marion Ownbey; Frederick Gustav Meyer 1940-7-1 2135 Modoc Cedar Pass, Warner Mts. Comment
  CAS-BOT-BC95062  Streptanthus cordatus var. cordatus Annie Montague Alexander; L. Kellogg 1946-6-7 4995 Modoc 15 mi. E of Cedarville. 1752 Comment
  POM313008  Stuckenia pectinata Verne Grant, Irving Schneider 1947-7-19 8085 Modoc Irrigation ditch south of Williams ranch house, north of Likely. Comment
  UCD138351  Stuckenia pectinata Verne Grant; Irving Schneider 1947-7-19 8085 Modoc south of Williams Ranch House, north of Likely. Comment
  UC71802  Suaeda calceoliformis Mrs. M. H. Manning 1903-8-25 323 Modoc n end Alkaline Lake (ne Modoc County) Comment
  UC1562588  Swertia albicaulis Barbara Ertter 1988-6-18 7620 Modoc ca 50 air mi sw Klamath Falls (Hwy 139, a few mi n of Agric. Inspection Station, 1 mi s of s jct of Lava Beds National Monument, e of Tonesta) 1310 Comment
  CAS-BOT-BC180100  Swertia albicaulis var. albicaulis James Vale; et al 1981-5-23 4129 Modoc 2 mi. W of Lookout. 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-BC180087  Swertia radiata Bruce Bartholomew; Barrett Anderson 1988-7-22 4518 Modoc NE side of Patterson Meadow, southern end of the Warner Mts.. 2180 Comment
  HSC81054  Swertia radiata G. M. Riegel 1979-7-27 596 Modoc South Warner Mtns. 1829 Comment
  UC748485  Symphoricarpos longiflorus Annie M. Alexander and Louise Kellogg 1946-6-18 4805 Modoc bluff facing Lower Lake Comment
  UCD137455  Symphoricarpos rotundifolius Herbert L. Mason 1948-7-18 13619 Modoc Cedar Pass, Warner Mountains. Comment
  CAS-BOT-BC95186  Symphoricarpos rotundifolius var. rotundifolius Alice Eastwood; John Thomas Howell 1940-6-13 8188 Modoc West side of Cedar Pass. Comment
  UC1192202  Symphyotrichum bracteolatum Verne Grant and Irving Schneider 1947-7-22 8156 Modoc 1 mi nw, at headwaters N Fk of Pit R., on dirt rd leading to s end Goose Lake Highway 395; North Fork Pit River Comment
  UC71620  Symphyotrichum bracteolatum Mrs. M. H. Manning Modoc near, (ne Modoc County) Fort Bidwell Comment
  JEPS121187  Symphyotrichum campestre Lowell Ahart, John Dittes 2013-7-25 18950 Modoc Along the N-S fence, S edge of Ash Creek floodplain, NW of Patterson Homestead, E of Elkins Lane, 1.0 air mile S of County Road 87, 3.14 air miles W of Adin, Big Valley. Comment
  CAS-BOT-BC15221  Symphyotrichum eatonii Leland S. Smith 1922-8-8 1333 Modoc Along stream in Section 14.T40, R9 1524 Comment
  CAS-BOT-BC15222  Symphyotrichum eatonii Verne Grant; I. Schneider 1947-7-22 8156 Modoc Headwaters of North Fork of Pit River, one mile northwest of Highway 395 on dirt road leading to S end of Goose Lake Comment
  CAS-BOT-BC15220  Symphyotrichum eatonii Leland S. Smith 1919-8-18 1134 Modoc Ash Valley. 1463 Comment
  JEPS120512  Symphyotrichum foliaceum var. parryi L. P. Janeway, B. Castro 2012-7-25 10986 Modoc Warner Mountains. Comment
  UC1192073  Symphyotrichum frondosum Verne Grant and Irving Schneider 1947-8-27 8234 Modoc southeast corner of Clear Lake Nigger Bend Spring Comment
  UC1192205  Symphyotrichum spathulatum Herbert L. Mason 1947-8-9 13480 Modoc n of, (Fairchild Swamp) Alturas; Fairchild Swamp Comment
  UC748098  Symphyotrichum spathulatum Annie M. Alexander and Louise Kellogg 1946-7-13 4991 Modoc Cowhead Lake Comment
  CAS-BOT-BC232361  Synthyris missurica Annie Montague Alexander; L. Kellogg 1946-6-15 4774 Modoc Deep Creek. 2133 Comment
  UC27657  Synthyris missurica Mrs. Bruce 1898-1-1 Modoc Comment
  CAS-BOT-BC248358  Synthyris missurica subsp. missurica B. Bartholomew; H. Sun 2002-6-24 8841 Modoc Ca. 1 km NW of Bald Mt., E side of the Warner Mountains 2290 Comment
  CAS-BOT-BC252543  Taeniatherum caput-medusae Margaret J. Williams 1984-6-30 84- 75 -3 Modoc 27.4 mi. N of Cedar Pass road on Hwy 395. 1295 Comment
  HSC6262  Taraxacum officinale M. T. Milligan 1966-7-3 531 Modoc E of Jess Valley 1982 Comment
  POM203852  Taraxacum officinale J. T. Howell 1934-6-14 12139 Modoc Near Lost Lake, Warner Mts. 2439 Comment
  SBBG33670  Taraxia tanacetifolia T. L. Secrest 1951-6-22 Modoc Warner Mtns? Comment
  UC71668  Taraxia tanacetifolia Mrs. M. H. Manning 1903-8-27 339 Modoc Mt. Bidwell 1981 Comment
  RSA34819  Tetradymia canescens Roxana S. Ferris, Laura Lorraine 1941-8-14 10599 Modoc 5 1/2 mi from Patterson Ranger Station on Eagleville Road. Modoc National Forest. Warner Mtns. Comment
  UCR52255  Tetradymia canescens Roxana S. Ferris, Laura Lorraine 1941-8-14 s.n. Modoc Warner Mtns, 5 1/2 mi from Patterson Ranger Station on Eagleville Road. Modoc National Forest 1756 Comment
  HSC80768  Thalictrum fendleri G. M. Riegel 1978-7-12 62 Modoc S Warner Mtns. 1670 Comment
  JEPS60731  Thalictrum fendleri Leland S. Smith 1918-6-22 946 Modoc Lily Lake Modoc National Forest 2103 Comment
  NY496093  Thalictrum fendleri C. L. Hitchcock 1940-5-27 6704 -a Modoc Along stream; 15 miles northeast of Alturas 1615.4 Comment
  RSA604935  Thalictrum fendleri Louis C. Wheeler 1935-8-10 3823 Modoc Lily Lake, Pine Creek, Warner Mts. 2134 Comment
  UCR138266  Thalictrum fendleri David A. Charlet 1989-8-14 485 Modoc Warner Mtns, 1.4 km NW of Eagle Peak 2550 Comment
  CAS-BOT-BC95073  Thelypodium flexuosum Bruce Bartholomew 1993-6-13 6633 Modoc Near Fortynine Creek, E of Cedarville on E side of Surprise Valley. 1400 Comment
  CAS-BOT-BC95077  Thelypodium milleflorum Bruce Bartholomew 1990-6-17 5339 Modoc Surprise Valley, SE corner of Upper Alkali Lake. 1390 Comment
  CAS-BOT-BC181795  Thermopsis californica var. argentata Milo Samuel Baker 1899-8-18 Modoc Forestdale. Comment
  SEINET8263329  Thinopyrum intermedium Richard R. Halse 2006-8-3 6993 Modoc Modoc National Forest, Patterson Station Campground, ca. 15 air miles east of Likely, south end of the Warner Mountains. 2109 Comment
  CDA3889  Thlaspi arvense T. C. Fuller 1963-6-11 10652 Modoc Little Meadow Campground, South Fork of the Pit River, 7.9 miles east of Likely. 0 Comment
  UCD93181  Torreyochloa pallida var. pauciflora Beecher Crampton; Carl W. Rimbey 1954-7-6 2092 Modoc following Shields Creek into Warner Mountains, 20 miles east of Alturas. 1676 Comment
  CHSC112865  Toxicoscordion paniculatum L. P. Janeway; B. Castro 2014-6-2 11287 Modoc Great Basin. Along County Road 5 1.0 km west of the southwest corner of Cow Head Lake. 1627 Comment
  UCD149853  Toxicoscordion paniculatum William Anderson 1965-6-3 s.n. Modoc Davis Creek. Comment
  SJSU9574  Tragopogon dubius W. Savage 1979-7-3 1324 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  JEPS89594  Trichostema oblongum Dean W. Taylor 1990-8-22 11480 Modoc Lookout Rd. 2.3 mi. s. of junction w/ State Hwy. 139 (at crossing of small perennial drainage); Modoc Plateau 1424 Comment
  CAS-BOT-BC181792  Trifolium andersonii var. andersonii Elmer Ivan Applegate 1897-6-7 900 Modoc Clear Lake. Comment
  CAS-BOT-BC181789  Trifolium beckwithii Elmer Ivan Applegate 1897-6-1 868 Modoc Alturas. 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
  RSA582429  Trifolium cyathiferum Louis C. Wheeler 3727 Modoc Dismal Swamp, Twenty-Mile Creek, Warner Mts. 2226 Comment
  CAS-BOT-BC181775  Trifolium gymnocarpon var. plummerae Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-10 6471 Modoc 1.6 km NE of Fee Reservoir Road on Barrel Spring Road, N end of Surprise Valley. 1600 Comment
  CAS-BOT-BC181776  Trifolium gymnocarpon var. plummerae Leland S. Smith 1920-6-1 1156 Modoc Below stock pass, Mt. Bidwell Rim. 1920 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
  CAS-BOT-BC181742  Trifolium longipes Bruce Bartholomew; Barrett Anderson 1989-6-3 4920 Modoc Stone Coal Valley, 3 km E of State Hwy 299. 1400 Comment
  CAS-BOT-BC181745  Trifolium longipes K. Paulson; Robert Paulson 1988-6-29 62 Modoc Benton Meadow, Warner Mts.. 1676 Comment
  JEPS33186  Trifolium longipes subsp. multipedunculatum Frances D. Payne 1931-6-29 290 Modoc Warner Mountains. Head of Cottonwood Creek. East slope of Mt. Warren. 2286 Comment
  JEPS118441  Trifolium longipes var. 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
  CAS-BOT-BC181727  Trifolium macrocephalum Bruce Bartholomew; Barrett Anderson 1989-4-28 4650 Modoc 8.8 km N of State Highway 299 on road to Raker & Thomas Reservoir. 1470 Comment
  CAS-BOT-BC181732  Trifolium macrocephalum Leland S. Smith 1917-6-10 35 Modoc Jess Valley. 1524 Comment
  CAS-BOT-BC181736  Trifolium macrocephalum Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-11 6514 Modoc 11 km S of Oregon Border along W side of Goose Lake. 1440 Comment
  CHSC67111  Trifolium macrocephalum James D. Jokerst 1987-5-11 2826 Modoc Radar Survey Site S of Doublehead Mtn., S of Clear Lake Reservoir. 1363 Comment
  HSC71401  Trifolium macrocephalum J. P. Smith, J. O. Sawyer 1972-5-6 5244 Modoc County Rd. 86, just E of Adin. 1098 Comment
  SEINET10487918  Trifolium macrocephalum LeRoy E. Detling 1948-5-24 Detling 6258 Modoc N fk pit river, sec 17, t43n, r14e, sagebrush, juniper, artemisia tridentata, Level plateau, wet scabland in full sun. 1463 Comment
  CAS-BOT-BC181772  Trifolium productum Bruce Bartholomew 1992-8-8 6379 Modoc Vicinity of Patterson Lake, E side of Warner Mountains. 2750 Comment
  UCR34821  Trifolium productum J. A. Harpel 1981-8-6 V- 8 Modoc Warner Mtns, South Warner Wilderness Area: E end of Patterson Lake, 7 mi NW of Eagleville 2744 Comment
  CAS-BOT-BC180166  Trifolium variegatum Bruce Bartholomew 1994-7-1 6761 Modoc 11.9 km NW of State Hwy. 299 on road to Dutch Flat. 1400 Comment
  CAS-BOT-BC180158  Trifolium wormskioldii Bruce Bartholomew 1989-8-11 5073 Modoc Along Lassen Creek near SE side of Harris Flat, Warner Mountains. 1920 Comment
  CAS-BOT-BC180162  Trifolium wormskioldii Leland S. Smith 1920-7-13 1183 Modoc Crowder Flat. 1371 Comment
  CAS-BOT-BC180159  Trifolium wormskioldii Belknap C. Goldsmith 1912-6-6 80 Modoc Modoc County. 1463 Comment
  UC71582  Triglochin maritima Mrs. M. H. Manning 1893-2 146 Modoc ne Modoc Co. Camass Meadows Comment
  JEPS70750  Trisetum spicatum W. L. Jepson 1918-8-13 7972 Modoc on the summit Eagle Peak; Warner Mts. 3017 Comment
  CAS-BOT-BC242199  Triteleia hyacinthina Bruce Bartholomew; Barrett Anderson 1990-7-20 5548 Modoc N edge of Howard Flat, W side of Warner Mts. 2000 Comment
  HSC3040  Triteleia hyacinthina M. T. Milligan 1964-7-1 116 Modoc W end of Ballard's Reservoir, along shore. 1372 Comment
  JEPS64195  Triteleia hyacinthina Frances D. Payne 1931-6-18 187 Modoc s and e Alturas (Parker Creek, Warner Mountains); Warner Mountains, Parker Creek 1584 Comment
  RSA163748  Triteleia hyacinthina Clare B. Hardham 1961-6-17 7516 Modoc Cedar Pass Camp Ground, Warner Mountains Comment
  RSA520462  Triteleia hyacinthina K. Paulson, R. Paulson 1989-6-21 139 Modoc Vicinity of N Fork of Fitzhugh Creek, west side of the Warner Mountains 1494 Comment
  CAS-BOT-BC252533  Triticum aestivum Leland S. Smith 1920-9-12 1192 Modoc E side of Round Valley. 1432 Comment
  CAS-BOT-BC58557  Turritis glabra Alice Eastwood; John Thomas Howell 1940-6-13 8167 Modoc Cedarville. Comment
  CAS-BOT-BC58559  Turritis glabra Bruce Bartholomew; Barrett Anderson 1988-7-22 4511 Modoc SE side of Sunflower Knob, southern end of the Warner Mts.. 2160 Comment
  CAS-BOT-BC242293  Typha latifolia Bruce Bartholomew 1989-8-10 5035 Modoc Little Hot Spring Valley, 3.2 km NW of Day. 1070 Comment
  UC71562  Vaccaria hispanica Mrs. M. H. Manning June, 1903 174 Modoc Fort Bidwell; north-eastesrn Modoc County Comment
  CAS-BOT-BC95705  Vaccinium cespitosum A. D. Borden 1911-6-14 Modoc W slope head of Davis Creek. Comment