Search Results — 2000 specimen records retrieved (1506 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC73547  Abies concolor Elmer I. Applegate 1932-7-31 7983 Modoc Mill Creek Meadows, Warner Mts. 2438 Comment
  RSA67247  Abies magnifica Philip A. Munz 1951-9-14 16984 Modoc Warner Mountains; Dry slopes east side of Cedar Pass. 1768 Comment
  CAS-BOT-BC15629  Achillea millefolium R. M. Austin 1894-6-1 Modoc Lava beds. Comment
  CAS-BOT-BC15633  Achillea millefolium John Thomas Howell 1934-6-30 12254 Modoc Duncan Horse Camp. 1355 Comment
  CAS-BOT-BC15637  Achillea millefolium Bruce Bartholomew; Barrett Anderson 1988-7-21 4432 Modoc Whipple Spring, E side of Whitehorse Flat Reservoir. 1340 Comment
  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
  HSC4560  Achillea millefolium M. T. Milligan 1965-6-23 297 Modoc N end Jess Valley 1616 Comment
  UCR34705  Achillea millefolium J. A. Harpel 1981-8-6 V- 32 Modoc Warner Mtns, South Warner Wilderness Area: E end of Patterson Lake, 7 mi NW of Eagleville 2744 Comment
  CAS-BOT-BC242280  Achnatherum hymenoides Burgess L. Kay 1957-6-1 s.n. Modoc 2 mi. NE of Likely. Comment
  UCD50353  Achnatherum hymenoides L. Whitney 1935-7-21 s.n. Modoc Cemetery, Alturas, Modoc Co., California. Comment
  UCD50457  Achnatherum lemmonii L. S. Smith 1918-6-20 972 Modoc California, Modoc Forest, Pine Creek, Modoc County. Comment
  RSA163808  Achnatherum lemmonii var. lemmonii Clare B. Hardham 1961-6-18 7552 Modoc Slopes, Hills, East side of Cedar Pass 1829 Comment
  UC1024940  Achnatherum occidentale subsp. pubescens Leo Whitney 1935-7-3 3332 Modoc 17 mi nw Canby (Badger Wells); Badger Wells Comment
  UC1025060  Achnatherum occidentale subsp. pubescens Leo Whitney 1935-7-23 3569 Modoc 15 mi w Canby (Happy Camp); Modoc National Forest 1463 Comment
  UC1037133  Achnatherum occidentale subsp. pubescens Leo Whitney 1935-6-9 3206 Modoc White Horse Comment
  UC1037190  Achnatherum occidentale subsp. pubescens Leo Whitney 1935-7-23 3554 Modoc 15 mi w Canby (Happy Camp); Modoc National Forest 1463 Comment
  UCD51170  Achnatherum occidentale subsp. pubescens L. Whitney 1935-7-25 s.n. Modoc near Lava Ranger Station. Comment
  CAS-BOT-BC242310  Achnatherum thurberianum Leland S. Smith 1917-6-20 48 Modoc Cantrall's Mill. 1828 Comment
  JEPS491  Achnatherum thurberianum L. S. Smith 1917-6-20 48 Modoc Warner Mts. 1828 Comment
  RSA163786  Achnatherum thurberianum Clare B. Hardham 1961-6-19 7859 Modoc Willow Creek. Warner Mountains. Comment
  SEINET235271  Achnatherum thurberianum Mike Dolan 1980-10-19 Modoc unspecified 1341 Comment
  UC71849  Aconitum columbianum Mrs. M. H. Manning 1903-8-3 70 Modoc near Fort Bidwell; n.e. Modoc Co. Comment
  CAS-BOT-BC218313  Actaea rubra Francis Dorris Payne 1932-7-22 743 Modoc Parker Creek. 1584 Comment
  UC29324  Adenocaulon bicolor Milo S. Baker 1893-6 Modoc along timbered mt. stream Comment
  UCSC000819  Adenocaulon bicolor Milo S. Baker June-August 1893 s.n. Modoc Comment
  CAS-BOT-BC218324  Adonis aestivalis E. Hawver 1926-6-1 s.n. Modoc Near Canby. Comment
  RSA0062302  Adonis aestivalis Lowell Ahart, John Dittes 2011-6-21 17514 Modoc About 150 yards west of the fence, south edge of the meadow, Ash Creek State Wildlife Area, about 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
  UCR248240  Adonis aestivalis CDFA Staff 1978-1 s.n. Modoc One mi east of Canby. 1310 Comment
  CAS-BOT-BC218327  Adonis aestivalis J. Turner; F. M. Ball 1962-7-12 s.n. Modoc Near Canby about 5 mi. from Cottonwood Flat campground. 1341 Comment
  UC1312933  Adonis aestivalis L. K. Mann and Pat Mann 1963-6-19 Modoc 1-2 mi sw of Canby (U.S. Highway 299); U.S. Highway 299 Comment
  SJSU6080  Agastache parvifolia J. W. Tilden 1958-6-25 1264 Modoc near Monument Headquarters, Lava Beds National Monument Comment
  UCR34491  Agastache urticifolia J. A. Harpel 1981-8-7 V- 48 Modoc Warner Mtns, South Warner Wilderness Area: Pine Creek Basin Trail, 7 mi NW of Eagleville 2652 Comment
  CAS-BOT-BC179884  Agastache urticifolia Clare Butterworth Hardham 1961-6-18 7565 Modoc Dave Creek, Warner Mts. 2133 Comment
  CAS-BOT-BC15644  Ageratina occidentalis Louis Cutter Wheeler 1935-8-14 3839 Modoc Pine Creek, Warner Mts. 2011 Comment
  CAS-BOT-BC15650  Ageratina occidentalis Annie Montague Alexander; L. Kellogg 1946-8-9 5146 Modoc Patterson Lake Trail, Warner Mts. Comment
  HSC81110  Ageratina occidentalis G. M. Riegel 1979-7-30 620 Modoc S Warner Mtns. 640 Comment
  JEPS18576  Ageratina occidentalis F. H. Frost 1925-7-20 91 Modoc 2 mi above Cedarville; Cedar Camp Comment
  RSA531340  Ageratina occidentalis Bruce Bartholomew 1989-8-12 5108 Modoc S end of Coyote Creek, ca. 1.5 km SW of Sunflower Knob, S end of Warner Mountains 2040 Comment
  UC1075758  Agoseris X dasycarpa Robert J. Weatherby 1955-7-8 1617 Modoc 7 mi n Ft. Bidwell; Warner Mts. (northern) 1874 Comment
  CAS-BOT-BC15521  Agoseris X dasycarpa Leland S. Smith 1922-8-1 1316 Modoc Dutch Flat 1371 Comment
  UCR34489  Agoseris glauca J. A. Harpel 1981-8-7 V- 50 Modoc Warner Mtns, South Warner Wilderness Area: Pine Creek Basin Trail, 7 mi NW of Eagleville 2652 Comment
  RSA101366  Agoseris glauca var. dasycephala R. Weatherby 1955-7-8 1617 Modoc 7 miles north of Ft. Bidwell, northern Warner Mts. 1875 Comment
  RSA95000  Agoseris glauca var. dasycephala F. W. Peirson 1926-6-25 6884 Modoc Small side canyon 1 mile east of summit of Warner Mountains on Cedarville Road. Comment
  RSA94603  Agoseris glauca var. glauca F. W. Peirson 1926-6-25 6865 Modoc Warner Mountains; not far below summit in small side canyon; Cedarville Road, west slope Comment
  UC584292  Agoseris grandiflora var. grandiflora G. L. Stebbins Jr. and J. A. Jenkins 1937-7-15 2372 Modoc center, along state highway Round Valley 1600 Comment
  POM203851  Agoseris heterophylla John T. Howell 1934-6-12 12013 Modoc Between Davis Creek and Plum Valley Comment
  CAS-BOT-BC15325  Agoseris heterophylla Bruce Bartholomew; M. Bourell 1990-4-27 5178 Modoc 0.6 km SW of Hwy 299 on road to Higgins Flat 1480 Comment
  UC76010  Agoseris heterophylla var. heterophylla Milo S. Baker 1893-1 Modoc Forestdale Comment
  CAS-BOT-BC126783  Agoseris parviflora John Thomas Howell 1934-6-13 12079 Modoc Fandango Pass, Warner Mts. 1828 Comment
  HSC4606  Agoseris parviflora M. T. Milligan 1964-6-20 55 Modoc 2 mi. N on Pencil Rd. from Hwy. 395 1372 Comment
  POM32936  Agoseris parviflora Mrs. R. M. Austin 1890-07 564 Modoc Goose Lake Valley Comment
  HSC80913  Agropyron cristatum G. M. Riegel 1979-7-5 494 Modoc S Warner Mtns. 2100 Comment
  HSC8787  Agrostis exarata M. T. Milligan 1966-7-26 585 Modoc N end Jess Valley 1616 Comment
  JEPS68387  Agrostis exarata L. S. Smith 1917-7-27 124 Modoc Joseph Creek Warner Mts. 1584 Comment
  UCD52106  Agrostis exarata Beecher Crampton; Carl Rimbey 1954-7-8 2171 Modoc Peat meadow, Jess Valley, Warner Mountains, 15 miles east of Likely. Comment
  CAS-BOT-BC139099  Agrostis pallens John Thomas Howell 1934-7-3 12377 Modoc 5 miles south of Hackamore. Comment
  UC1024986  Agrostis pallens Leo Whitney 1935-7-5 3407 Modoc ca 15 mi nw Canby; Modoc National Forest, Lake Joaquina, Hackamore 1463 Comment
  UC711820  Agrostis scabra Roxana S. Ferris and Laura Lorraine 1941-8-13 10567 Modoc about 1 mi e Patterson Ranger Station (East Creek); Modoc National Forest, Warner Mountains, East Creek Comment
  CAS-BOT-BC242420  Agrostis stolonifera Bruce Bartholomew 1992-8-7 6359 Modoc Along the Pit River just SW of Canby Bridge. 1300 Comment
  CHSC117357  Agrostis stolonifera Lowell Ahart; John Dittes 2016-7-14 21208 Modoc Strand of a new pond, south of Ash Creek Canal (now filled in), south of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. 1273 Comment
  UCD53623  Agrostis stolonifera Beecher Crampton 1954-7-6 2086 Modoc along US Hwy. 395, 4 miles north of Likely. Comment
  RSA534559  Aliciella leptomeria Bruce Bartholomew 1991-6-22 5849 Modoc E side of Surprise Valley, 9.6 km E of Eagleville at the Nevada border 1520 Comment
  CAS-BOT-BC190683  Aliciella micromeria Bruce Bartholomew 1990-6-17 5336 Modoc Surprise Valley, SE corner of Upper Alkali Lake. 1390 Comment
  RSA534554  Aliciella micromeria Bruce Bartholomew 1991-5-24 5695 Modoc Surprise Valley, 5.1 km E of Eagleville 1370 Comment
  RSA69759  Alisma gramineum Alice Eastwood, J. T. Howell 1940-6-12 8037 Modoc Likely Comment
  UC985667  Alisma gramineum Malcolm A. Nobs and S. Galen Smith 1949-7-22 1065 Modoc bottom of dry canals at south fork of Pit River; Likely Comment
  UC71709  Alisma plantago-aquatica Mrs. M. H. Manning 1903-8-26 319 Modoc ne Modoc County Sessions Swamp Comment
  CAS-BOT-BC445446  Alisma triviale Robert F. Thorne; J. Henrickson; C. W. Tilforth 1969-9-4 39088 Modoc Margin of N Fork of Pit River 3.4 mi N of Alturas where crossed by Hwy 395 1341 Comment
  JEPS78241  Allium acuminatum L. R. Heckard with T. I. Chuang and R. C. Bacigalupi 1978-7-19 4887 Modoc Cedar Pass Warner Mts., Cedar Pass 1920 Comment
  UC1540229  Allium acuminatum Dean Wm. Taylor, Glenn L. Clifton 1987-6-27 9103 Modoc along Highway 395 about 3.5 mi n n junction with Highway 299 1371 Comment
  CAS-BOT-BC245010  Allium acuminatum K. Paulson; Robert Paulson 1988-6-19 53 Modoc Loveness road. 1493 Comment
  SEINET3883911  Allium acuminatum D. W. McNeal, R. W. Smith 1995-7-27 4172 Modoc Above Hwy. #299 at Cedar Pass, Warner Mts., Modoc Nat. For.; 0 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
  UC71726  Allium bisceptrum var. bisceptrum Mrs. M. H. Manning 1903-4-18 81 Modoc near Fort Bidwell Comment
  CAS-BOT-BC244990  Allium campanulatum Roxana Stinchfield Ferris; R. Duthie 1919-6-13 45 Modoc At edge of Parker Creek. Comment
  CHSC118295  Allium geyeri var. tenerum L. P. Janeway 2016-5-17 12038 Modoc Modoc Plateau. Devils Garden area; where Reoad 45N06 crosses Logans Slough; about 3.2 air-km morth of Big Sage Reservior. 1494 Comment
  CHSC85112  Allium lemmonii John Dittes; Josephine Guardino 1991-7-21 427 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-BC244968  Allium platycaule K. Paulson; Robert Paulson 1989-6-14 131 Modoc Ca. 1.5 mi. NE of Cedar Pass, Warner Mts. 1920 Comment
  CAS-BOT-BC244969  Allium platycaule James Vale; et al 1981-5-23 4112 Modoc Between Canby and Adin near Pit River bridge. 1280 Comment
  CAS-BOT-BC244974  Allium platycaule Margaret J. Williams 1984-6-28 84- 69 -1 Modoc End of Soldier Creek. 2072 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
  JEPS13888  Allium platycaule Rimo Bacigalupi with L. R. Heckard, R. D. Sanderson, and G. Bacigalupi 1952-6-18 3747 Modoc about 200 ft above and s Cedar Pass; Warner Mountains 1981 Comment
  SEINET8191571  Allium platycaule M. J. Williams 1983-7-29 83- 116 -4 Modoc Warner Mountains, 1.1 mile N of Stowe Reservoir Campground, N of Cedar Pass. 2088 Comment
  CAS-BOT-BC244958  Allium tolmiei var. tolmiei E. S. Willits 1940-5-16 253 Modoc Willow Ranch. Comment
  CAS-BOT-BC244959  Allium tolmiei var. tolmiei Bruce Bartholomew; Barrett Anderson 1988-5-13 4146 Modoc Along Parker Creek Road, at the border of Modoc National Forest and ca. 16 km WSW of Alturas, side of the Warn 1580 Comment
  CHSC117801  Allium tolmiei var. tolmiei L. P. Janeway 2016-5-16 11971 Modoc Modoc Plateu. Devil's Garden area; along Road 47N07 1.8 road-km south of Road 181/73/47N09. 1573 Comment
  CAS-BOT-BC242347  Alopecurus aequalis Herbert Louis Mason 1947-8-13 13520 Modoc NE side of F reservoir, N of Canby. Comment
  SEINET201567  Alopecurus aequalis A. Cronquist, AH Holmgren 1959-6-29 8492 Modoc Clear Lake Warner Mtns 15 mi E of Likely 1829 Comment
  CHSC109639  Alopecurus aequalis var. aequalis Lowell Ahart; John Dittes 2012-7-10 18308 Modoc Along a deep drainage, 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. 1267 Comment
  CHSC85101  Alopecurus geniculatus John Dittes; Josephine Guardino 1991-7-21 430 Modoc Modoc Plateau; Big Valley; Ash Creek Wildlife Area; ca. 5.7 air-miles northeast of Bieber, ca. 7.6 air-miles west of Adin, ca. 1.5 air-mile southeast of Pilot Butte summit; meadow at northern edge of Ash Creek Floodplain (Big Swamp) at southeast base of Pilot Butte. 1258 Comment
  JEPS114830  Alopecurus geniculatus Lowell Ahart, John Dittes 2008-6-21 14997 Modoc On wet soil in the drying pond, north of the large culvert, east of the large levee, mountain meadow, in Big Valley, about 2.8 miles (air) northeast of the Headquarters at Ash Creek State Wildlife Area, about 5.4 miles (air) northeast of Bieber 1255 Comment
  JEPS101109  Alopecurus pratensis Dean Wm. Taylor with Glenn L. Clifton 1992-5-7 12529 Modoc 0.5 mile E of Duncan Reservoir, on hillside on western rim of Black Canyon 1524 Comment
  JEPS114845  Alopecurus pratensis Lowell Ahart, John Dittes 2008-6-21 14988 Modoc On dry soil, about 10 yards north of a large culvert, on 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
  HSC64366  Alopecurus saccatus Don Bateman 1980-7-1 Modoc 10 mi. E of Tule Lake; 2 mi. S of Oregon border 1341 Comment
  HSC69615  Alyssum alyssoides Gary Schoolcraft 1980-4-10 206 Modoc N of Hwy. 299, 2 mi. E of Hwy. 395 1494 Comment
  HSC103170  Alyssum desertorum R. W. Tate, K. Ludwig 2014-3-19 1403 Modoc Modoc National Forest, Devil's Garden RD, Reservoir C parking area. 1513 Comment
  SEINET8075446  Alyssum simplex Noel H. Holmgren, Patricia K. Holmgren 1998-5-30 12993 Modoc Surprise Valley, Fort Bidwell-Cedarville road, 1.8 km (1.1 mi) south of the Fandango Pas road and 31.2 km (19.4 mi) north of downtown Cedarville.; 0 1370 Comment
  CAS-BOT-BC21493  Amaranthus blitoides Bruce Bartholomew 1991-10-13 6114 Modoc 3.5 km ENE of Alturas on U.S. Hwy 395 at bridge over N Fork of the Pit River. 1400 Comment
  RSA783326  Amaranthus blitoides R. R. Halse 2010-9-2 8110 Modoc Warner Mts: Modoc National Forest. Along State Hwy 299 ca. 2.8 miles west of Cedarville by the Cedar Creek Lower Trailhead. 1619 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
  CHSC106212  Amaranthus powellii Lowell Ahart; John Dittes 2010-8-31 17107 Modoc On the east side of Elkins Lane, about 100 yards north of the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  RSA59741  Amelanchier pallida E. K. Balls 1950-5-20 147790 Modoc South Fork Public Camp, South Fork Pit River, Likely to Clear Lake. 1433 Comment
  RSA458615  Amelanchier pumila Robert Gustafson 1985-6-13 3162 Modoc Jct of Hwy 49 and Forest Service road 12, Yuba Pass summit. 2043 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-BC217088  Amelanchier utahensis C. L. Hitchcock 1940-5-27 6701 Modoc 15 mi. NE of Alturas. 1676 Comment
  CAS-BOT-BC217095  Amelanchier utahensis Bruce Bartholomew; Barrett Anderson 1989-6-2 4778 Modoc Top of Fandango pass, Warner Mountains. 1870 Comment
  CAS-BOT-BC54162  Amsinckia tessellata var. tessellata Alice Eastwood; John Thomas Howell 1940-6-11 8025 Modoc 8 mi. from Canby on road to Alturas. Comment
  CAS-BOT-BC54169  Amsinckia tessellata var. tessellata Bruce Bartholomew 1991-5-24 5724 Modoc NE end of Surprise Valley, 6.5 km E of Fort Bidwell on road to Fee Reservoir. 1500 Comment
  CDA40464  Amsinckia tessellata var. tessellata Jim Jokerst 1983-7-27 1917 Modoc East side of Highway 395 south of Alturas, north of Signal Butte. 0 Comment
  CHSC10861  Anemone drummondii Robert A. Mele 1972-7-3 33 Modoc West slope circling Patterson Lake in the Warner Wilderness area. Comment
  HSC80752  Anemone drummondii G. M. Riegel 1979-7-24 602 Modoc S Warner Mtns., plot 124 1829 Comment
  CAS-BOT-BC15610  Antennaria argentea Roxana Stinchfield Ferris; R. Duthie 1919-6-14 99 Modoc E of Alturas, Warner Mts. 2133 Comment
  JEPS30614  Antennaria argentea Peter H. Raven and Otto T. Solbrig 1958-6-18 13310 Modoc Cottonwood Flat Camp Ground; Modoc National Forest Comment
  CAS-BOT-BC15577  Antennaria dimorpha Bruce Bartholomew; Barrett Anderson 1989-4-29 4678 Modoc 9-11 km E of Fort Bidwell on road to Fee Reservoir, NE corner of Surprise Valley. 1580 Comment
  CAS-BOT-BC15583  Antennaria dimorpha Bruce Bartholomew; Mona Bourell 1990-4-27 5176 Modoc NW side of Rice Flat, ca. 2 km S of Adin Pass. 1540 Comment
  CAS-BOT-BC15622  Antennaria dimorpha Mrs. H. C. Cantelow 1940-5-31 3221 Modoc 8.9 mi. E of Indian Springs. Comment
  CAS-BOT-BC15587  Antennaria geyeri Alice Eastwood; John Thomas Howell 1940-6-14 8249 Modoc Between Mammoth Cave and Lava Beds National Monument. Comment
  HSC37943  Antennaria geyeri M. T. Milligan 1966-6-19 468 Modoc Plateau W of Jess Valley 1829 Comment
  CAS-BOT-BC15590  Antennaria luzuloides Mrs. H. C. Cantelow 1940-6-1 3236 Modoc Cedar Pass. Comment
  CAS-BOT-BC15600  Antennaria luzuloides Bruce Bartholomew 1990-6-17 5351 Modoc 4 km N of Buck Creek Ranger Station at turn off to Del Prat Spring, W side of Warner Mts. 1900 Comment
  POM260870  Antennaria luzuloides Alice Eastwood, J. T. Howell 1940-6-11 8010 Modoc 6 miles NE of Adin on road to Canby. Comment
  RSA164371  Antennaria luzuloides Clare B. Hardham 1961-6-18 7556 Modoc Cedar Pass. 1829 Comment
  UCD129020  Antennaria luzuloides J. P. Smith; J. O. Sawyer 1972-5-6 5246 Modoc Road 86 just east of Adin. 1097 Comment
  CHSC117867  Antennaria luzuloides subsp. luzuloides L. P. Janeway 2016-5-16 11978 Modoc Modoc Plateau. Devils Garden area; along Road 47N07 1.8 road-km south of Road 181/73/47N09. 1573 Comment
  CHSC112047  Apera interrupta Lowell Ahart; John Dittes 2012-7-10 18324 Modoc On dry soil, along the south side of the drainage, northwest of the old homestead, Ash Creek State Wildlife Area, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  CAS-BOT-BC15688  Apocynum androsaemifolium Annie Montague Alexander; L. Kellogg 1946-6-28 4867 Modoc Pine Creek Canyon. 1615 Comment
  UC71837  Apocynum androsaemifolium Mrs. M. H. Manning 1903-6 200 Modoc near Ft. Bidwell Ft. Bidwell; n.e. Modoc Co. Comment
  RSA520458  Apocynum androsaemifolium K. Paulson, R. Paulson 1989-7-2 167 Modoc N side of Pit River ca. 3 mi. E of County Rte. 91. 1579 Comment
  SD61027  Apocynum androsaemifolium Darley F. Howe 1964-8-3 3928 Modoc 34 miles north of Alturas on #395. 1402 Comment
  SFV18021  Apocynum cannabinum 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
  UC1191811  Apocynum cannabinum Verne Grant and Irving Schneider 1947-7-21 8120 Modoc N. Fork Pit R. by bridge on Hwy. 395 n. of Alturas; N. Fork Pit R. Comment
  CAS-BOT-BC248353  Aquilegia formosa B. Bartholomew; H. Sun 2002-6-24 8836 Modoc Ca. 1 km NW of Bald Mt., E side of the Warner Mountains 2290 Comment
  UC1125881  Aquilegia formosa R. C. Wilson 1933-7-6 57 Modoc n Roney Flat; Canby quad, Modoc National Forest 1432 Comment
  UC10399 Image available Arabis davidsonii Mrs. C. C. Bruce Jun 1892 2250 Modoc Lake City mt Comment
  HSC81060  Arabis divaricarpa G. M. Riegel 1980-8-9 1026 Modoc S Warner Mtns. 1670 Comment
  CHSC30497  Arabis eschscholtziana N. E. H. Prouty 1980-5-25 166 Modoc Along stream from hot spring. Comment
  SEINET195669  Arabis holboellii var. retrofracta Annie M. Alexander, Louise Kellogg 1946-6-27 4848 Modoc Two miles by road from Dismal Swamp north end of Warner Mountains. 914 Comment
  HSC81061  Arabis platysperma G. M. Riegel 1979-7-28 610 Modoc S Warner Mtns. 1829 Comment
  NY119571  Arabis sparsiflora A. J. Cronquist 1959-6-20 8526 Modoc At Cedarville Pass; Warner Mtns., between Cedarville and Alturas 1950.7 Comment
  NY119624  Arabis sparsiflora var. subvillosa R. C. Rollins 1981-6-1 81193 Modoc Warner Mtns., ca. 1 mile N of summit, Lake City to U.S. 395 Comment
  CAS-BOT-BC46710  Arctostaphylos patula Walter Knight; Irja Knight 1981-5-25 4110 Modoc On White House Road enroute to Egg Lake from Lookout. 1249 Comment
  UC21879  Arctostaphylos patula Milo S. Baker 1893-6 Modoc mountain sides Comment
  RSA17681  Arenaria aculeata Elmer I. Applegate 1932-7-9 7600 Modoc North slope of Bidwell Mountain, Warner Mountains Comment
  RSA59527  Arenaria aculeata E. K. Balls 1950-5-20 14812 Modoc Slope south of [Pitt] river; South Fork Public Camp, Likely to Jess Valley. 1433 Comment
  RSA611674  Arenaria congesta L. C. Wheeler 1935-8-8 3809 Modoc Warner Mountains: N Fork Bidwell Creek. 2378 Comment
  UC711815  Arenaria congesta var. congesta Roxana S. Ferris and Laura Lorraine 1941-8-14 10589 Modoc 3 mi Patterson Ranger Station (on road to Eagleville); Modoc National Forest, Warner Mountains Comment
  UC465484  Arenaria congesta var. congesta M. F. Gilman 662 Modoc 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
  JEPS123833  Arnica chamissonis Lowell Ahart, John Dittes 2015-7-17 20404 Modoc Ash Creek State Wildlife Area, about 3/4 mile south of County Road B7, about 2.7 miles (air) west of Adin, about 9.1 miles (air) northeast of Bieber. Adin USGS 7.5' Topographic Quadrangle. Comment
  POM30284  Arnica chamissonis subsp. foliosa Mrs. R. M. Austin 1895-08 s.n. Modoc Goose Lake Valley Comment
  CAS-BOT-BC15421  Arnica cordifolia Clare Butterworth Hardham 1961-6-18 7587 Modoc Cedar Pass. 1828 Comment
  HSC12533  Arnica cordifolia M. S. Baker 1893-1 Modoc Forestdale Comment
  RSA504670  Arnica cordifolia K. Paulson, R. Paulson 1988-6-11 25 Modoc Parker Creek Road, W side of the Warner Mountains 1524 Comment
  UC1037303  Arnica cordifolia Leo Whitney 1934-5-5 1608 Modoc 15 mi w of, (at Happy Camp) Canby; Modoc National Forest, Happy Camp 1463 Comment
  UC615049  Arnica cordifolia Beryl O. Schreiber 1934-6-10 1168 Modoc Lost Lake Warner Mountains Comment
  UCSB19713  Arnica cordifolia Hardham, Clare 1961-6-18 Modoc Cedar Pass 1828 Comment
  RSA504632  Arnica cordifolia Bruce Bartholomew, B. Anderson 1988-6-24 4320 Modoc Lily Lake, W side of the Warner Mountains. Sierran montane forest. 2130 Comment
  CAS-BOT-BC15280  Arnica longifolia Annie Montague Alexander; L. Kellogg 1946-8-3 5110 Modoc Head of Eagle Creek, Warner Mts. Comment
  SEINET6775094 Image available Arnica mollis D. A. Charlet 1989-8-14 476 Modoc Warner Mountains, 1.4 km northwest of Eagle Peak, at spring 2550 Comment
  SEINET6775095 Image available Arnica mollis L. Kellogg, A. M. Alexander 1946-7-23 5055 Modoc Emerson Peak, Warner Mountains Comment
  UCR138444  Arnica parryi subsp. sonnei David A. Charlet 1989-8-16 546 Modoc Warner Mountains. 0.8 km NNW of Eagle Peak 2713 Comment
  CAS-BOT-BC15297  Arnica sororia Annie Montague Alexander; L. Kellogg 1946-6-14 4748 Modoc 0.25 mi. on branch of Silver Creek, Patterson Mill Road. 1828 Comment
  UCD35726  Artemisia arbuscula Beecher Crampton 1960-6-17 5692 Modoc McKay flat, 13 miles west of Canby, 2.5 miles northeast of Happy Camp Station. 1280 Comment
  CAS-BOT-BC15218  Artemisia arbuscula subsp. arbuscula Leland S. Smith 1918-8-1 10541 /2 Modoc Squaw Peak - E. Cottonwood slope. 2286 Comment
  HSC100342  Artemisia cana subsp. bolanderi Chris Boever 2010-8-11 370115 Modoc North from Cedarville, CA to Fort Bidwell, 13 miles up the Lake Annie road, East side of road. 1602 Comment
  CDA10171  Artemisia ludoviciana T. C. Fuller 1959-7-8 4729 Modoc Highway 299 at Cloverswale Creek Bridge, 13.5 miles west of Alturas. 0 Comment
  CAS-BOT-BC15258  Artemisia ludoviciana subsp. incompta Alice Eastwood; John Thomas Howell 1940-6-13 8171 Modoc Cedarville. Comment
  JEPS6002  Artemisia ludoviciana subsp. incompta Frances D. Payne 1933-8-6 776 Modoc 2 mi. sw. Warren Mountain (southwestern Modoc County); Pine Creek Basin 2316 Comment
  RSA504654  Artemisia ludoviciana subsp. incompta Bruce Bartholomew, B. Anderson 1988-7-23 4592 Modoc Pine Creek, 4 km E of U. S. Highway 395 on the road to Lily Lake, Warner Mountains. 1620 Comment
  SEINET7153178 Image available Artemisia ludoviciana subsp. incompta R. R. Halse 2006-8-4 6994 Modoc Patterson Station Campground, ca. 15 air miles east of Likely, south end of Warner Mountains. 2109 Comment
  CAS-BOT-BC15265  Artemisia ludoviciana subsp. ludoviciana K. Paulson; Robert Paulson 1989-7-18 194 Modoc Vicinity of crest of Warner Mts. between Pepperdine and Granger Summit. 2042 Comment
  CAS-BOT-BC15266  Artemisia ludoviciana subsp. ludoviciana Louis Cutter Wheeler 1935-8-14 3848 Modoc Lily Lake. 2072 Comment
  HSC65590  Artemisia ludoviciana subsp. ludoviciana Thomas Wood 1979-8-9 238 Modoc Dirt Road along Bidwell Creek, 2.8 mi. NW of junction with Co. Hwy. 2 N of Fort Bidwell 1509 Comment
  UC1540166  Artemisia ludoviciana subsp. ludoviciana Dean W. Taylor 1987-8-9 9277 Modoc 1371 Comment
  RSA122483  Artemisia rothrockii G. A. Graham 1937-8-6 151 Modoc Belfort 3110 Comment
  CAS-BOT-BC15204  Artemisia tridentata subsp. tridentata Frances Payne 1934-8-29 s.n. Modoc Parker Creek 1584 Comment
  CAS-BOT-BC15208  Artemisia tridentata subsp. tridentata Ethel S. Willits 1939-10-10 161 Modoc Surprise Valley. 1371 Comment
  CHSC67336  Artemisia tridentata subsp. tridentata James D. Jokerst 1986-9-18 2770 Modoc Radar Site Survey S of Doublehead Mtn., dry lake ca 1.5 mi S of Doublehead Mtn. 1386 Comment
  CDA9743  Asclepias fascicularis Claudia Martin 2007-9-5 PDR# 1291664 Modoc Davis Creek; SW side of Goose Lake, south of Point Ranch. Comment
  CAS-BOT-BC54174  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
  CDA18402  Asperugo procumbens G. D. Barbe, P. Hiatt & M. Keffer 1980-6-4 2802 Modoc Modoc Plateau; Eastside Canal/ Railroad crossing on Westside Road, north of Likely. 1341 Comment
  UCR34691  Aster alpigenus J. A. Harpel 1981-8-6 V- 34 Modoc Warner Mtns, South Warner Wilderness Area: E end of Patterson Lake, 7 mi NW of Eagleville 2744 Comment
  RSA607254  Aster ascendens L. C. Wheeler 1935-8-27 3925 Modoc S Mt. Spring, Devil's Garden. 1524 Comment
  CHSC106317  Aster frondosus Lowell Ahart; John Dittes 2010-8-31 17123 Modoc Edge of pond, about 400 yards west of Elkins Lane and the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  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
  JEPS86084  Astragalus Wayne Roderick 1966-7-23 Modoc Warner Mountains 2133 Comment
  CAS-BOT-BC218212  Astragalus curvicarpus var. curvicarpus Margaret J. Williams 1984-6-29 84- 74 -1 Modoc 4.8 mi. in on Fandango Pass road from Hwy 395. 1524 Comment
  CAS-BOT-BC218220  Astragalus curvicarpus var. curvicarpus Bruce Bartholomew 1993-6-14 6674 Modoc Vicinity of Badger Well. 1500 Comment
  NY803541  Astragalus curvicarpus var. curvicarpus L. S. Rose 1940-6-11 40513 Modoc Canby 1326 Comment
  SEINET5325009  Astragalus curvicarpus var. curvicarpus M. J. Williams 1984-6-29 84- 74 -1 Modoc 4.8 mi in on Fandango Pass road from Hwy 395. 1524 Comment
  CAS-BOT-BC182065  Astragalus filipes John Thomas Howell 1934-6-12 11986 Modoc Surprise Station. Comment
  CAS-BOT-BC182072  Astragalus filipes Gordon H. True 1964-6-3 1430 Modoc Surprise Valley, 10 mi. N of Cedarville. 1463 Comment
  NY658482  Astragalus filipes B. M. Bartholomew 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
  CHSC110988  Astragalus gibbsii Lowell Ahart; John Dittes 2012-7-12 18374 Modoc Along the poor dirt road to the gravel pit, about 1/10 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. 1276 Comment
  SJSU9653  Astragalus inversus W. Savage 1979-7-8 1488 Modoc N end Fairchild Swamp Unit, Triangle, Devils Garden Ranger District 1493 Comment
  UC13402  Astragalus lentiginosus var. lentiginosus Milo S. Baker 1893-6-2 Modoc Comment
  CAS-BOT-BC182055  Astragalus lentiginosus var. salinus Leo David Whitney 1934-5-29 1548 Modoc Sandy railroad bed, Hackamore. Comment
  SJSU13925  Astragalus malacus N. A. Hopkins 1985-5-13 1267 Modoc by Hwy 395 c. 30 mi S of Alturas Comment
  UC397292  Astragalus malacus Mrs. M. H. Manning May 1907 Modoc Warner Range Comment
  UC748431  Astragalus obscurus Annie M. Alexander and Louise Kellogg 1946-6-10 4717 Modoc Lava bench between Lower and Snake Lakes (slope facing Lower Lake); between Lower and Snake Lakes, Lower Lake Comment
Read comments
Jan 8 2008
  HSC14532  Astragalus purshii var. lagopinus M. T. Milligan 1966-6-19 468 Modoc Plateau W of Jess Valley 1829 Comment
  CAS-BOT-BC193032  Astragalus purshii var. tinctus Frances D. Payne 1932-6-10 424 Modoc Parker Creek 1584 Comment
  JEPS54806  Astragalus purshii var. tinctus Leland S. Smith 1917-6-15 806 Modoc Jess Valley , Jess Valley (Warner Mts.) Comment
  RSA415691  Astragalus purshii var. tinctus Christopher Davidson 1975-6-4 2599 Modoc 0.4 miles E of Hwy 395 on Hwy 299 toward Cedarville. 1380 Comment
  UC1037200  Astragalus purshii var. tinctus Leo Whitney 1934-5-13 1549 Modoc near Timbered Mountains (Devil's Garden, Alturas); Devil's Garden, near Timbered Mountain, Alturas 1524 Comment
  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
  RSA60236  Astragalus purshii var. tinctus E. K. Balls 1950-5-12 14645 Modoc West of Bucks Creek Ranger Station, Modoc National Forest; east of Goose Lake. 1707 Comment
  UC585210  Astragalus whitneyi var. confusus E. B. Babcock, G. L. Stebbins Jr. 1936-6-9 1800 Modoc dry, gravelly, east facing slope of hill above Lake City; above Lake City 1524 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-BC182001  Astragalus whitneyi var. lenophyllus Elmer Ivan Applegate 1897-6-2 891 Modoc Pit River valley S of Alturas. Comment
  CAS-BOT-BC182006  Astragalus whitneyi var. lenophyllus Bruce Bartholomew 1991-5-25 5757 Modoc Turner Creek at County Rd. 90, N end of Big Valley, 6.4 km N of Lassen County line. 1230 Comment
  CAS-BOT-BC182017  Astragalus whitneyi var. lenophyllus Bruce Bartholomew; Barrett Anderson 1989-4-30 4719 Modoc 4.2 km W of State Highway 299 along the N side of the Pit River W of Canby Bridge. 1320 Comment
  CAS-BOT-BC182009  Astragalus whitneyi var. lenophyllus R. M. Austin 1894-5-1 Modoc Low hills around Goose Lake. Comment
  CAS-BOT-BC182014  Astragalus whitneyi var. lenophyllus C. C. (Mrs.) Bruce 1898-6-1 2209 Modoc Foothills, Modoc County. Comment
  UC922445  Athyrium distentifolium var. americanum Annie M. Alexander and Louise Kellogg 1946-7-23 5056 Modoc Emerson Peak, northeast Emerson Peak; Warner Mts Comment
  UC10228  Athysanus pusillus Milo S. Baker 1893-6-4 Modoc Modoc County, California Modoc County; , California Comment
  CHSC100111  Atriplex truncata L. P. Janeway; B. Castro 2008-8-16 9548 Modoc Modoc Plateau. Surprise Valley; east side of Middle Alkali Lake, south side of Hwy 299 10.5 km east of Cedarville. 1378 Comment
  CAS-BOT-BC15143  Balsamorhiza X terebinthacea Alice Eastwood; John Thomas Howell 1940-6-12 8079 Modoc Jess Valley. Comment
  CHSC67160  Balsamorhiza hookeri James D. Jokerst 1994-5-20 4062 Modoc Near Hog Reservoir N of Canby, N of Hwy. 139, N of railroad, E of gravel road to Hog Lake. Comment
  CAS-BOT-BC15187  Balsamorhiza hookeri var. lanata M. M. Hanna 1956-6-5 s.n. Modoc W side of Cedar Pass. Comment
  CAS-BOT-BC15190  Balsamorhiza hookeri var. lanata E. S. Willits 1940-5-4 212 Modoc Willow Ranch. 1371 Comment
  HSC42067  Balsamorhiza sagittata S. Saufferer 1973-5-5 130 Modoc About 7 1/2 mi. S of Pine Creek along Hwy. 395 Comment
  UCR132752  Balsamorhiza sagittata 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-BC15134  Balsamorhiza sagittata John H. Hatton 1911-6-10 15 Modoc Modoc National Forest 1767 Comment
  HSC5179  Balsamorhiza sagittata M. T. Milligan 1965-6-26 342 Modoc E slope 1677 Comment
  CAS-BOT-BC15138  Balsamorhiza serrata Isabelo T. Kelly 1930-1-1 17 Modoc unspecified Comment
  CAS-BOT-BC58634  Barbarea orthoceras Bruce Bartholomew 1989-7-14 4934 Modoc Along Rush Creek between Lower and Upper Rush Creek Campgrounds. 1580 Comment
  CAS-BOT-BC58673  Barbarea orthoceras Bruce Bartholomew; Barrett Anderson 1988-5-14 4187 Modoc 1.6 km W of Davis Creek SE corner of Goose Lake along Riverside Road. 1450 Comment
  CHSC85176  Barbarea orthoceras John Dittes; Josephine Guardino 1991-7-21 389 Modoc Modoc Plateau; Big Valley; Ash Creek Wildlife Area; ca. 7.7 air-miles northeast of Bieber, ca. 4.0 air-miles west by southwest of Adin, ca. 5.0 air-mile east by southeast of Pilot Butte summit, ca. 0.6 mile east of Walters Road and Owl Barn; meadow at southern edge of Ash Creek Floodplain. 1271 Comment
  JEPS53241  Barbarea orthoceras Frances D. Payne 1931-6-25 252 Modoc 2 mi sw Warren Mt. (se Modoc County); Pine Creek Basin 2316 Comment
  NY529208  Bassia hyssopifolia B. M. Bartholomew 1990-7-21 5551 Modoc West edge of Middle Alkali Lake, directly east of Cedarville, Surprise Valley 1370 Comment
  UCD32724  Beckmannia syzigachne Beecher Crampton 1954-7-7 2162 Modoc Modoc County, 2.5 miles east of Alturas, near radio station KCNO. Comment
  CAS-BOT-BC54184  Berberis aquifolium var. repens Bruce Bartholomew; Barrett Anderson 1988-5-13 4175 Modoc 0.6 km N of Jess Valley on West Warner Road, W side of the Warner Mts.. 1620 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
  HSC3368  Berberis aquifolium var. repens M. T. Milligan 1966-8-11 649 Modoc E of Jess Valley 1677 Comment
  RSA604675  Bergia texana L. C. Wheeler 1935-8-22 3910 Modoc Devil's Garden: South Mt. Reservoir. 1524 Comment
  SEINET6426068 Image available Bergia texana Herbert L. Mason 1947-1 13462 Modoc Southwest margin of Big Sage Reservoir, northwest of Alturas Comment
  CAS-BOT-BC54188  Betula glandulosa Bruce Bartholomew; Barrett Anderson 1988-7-23 4579 Modoc Dismal Swamp, Warner Mts.. 2180 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
  SEINET2149791  Betula glandulosa K. T. Harper 1974-1 137 Modoc Dismal Swamp, north end of Warner Mountains. 2165 Comment
  UC748348  Betula glandulosa Annie M. Alexander and Louise Kellogg 1946-6-25 4819 Modoc Dismal Swamp, n. end Warner Mts. Warner Mts., Dismal Swamp 2255 Comment
  JEPS12355  Bidens cernua W. L. Jepson 1918-8-10 7927 Modoc Alturas 1371 Comment
  UCR57550  Bidens cernua R. D. Goeden 1989-8-23 28 Modoc Modoc National Forest, Clear Lake Road at Fletcher Creek. 1479 Comment
  HSC80998  Bistorta bistortoides G. M. Riegel 1980-7-7 850 Modoc S Warner Mtns. 2100 Comment
  CAS-BOT-BC15088  Blepharipappus scaber M. M. Hanna 1956-6-4 953 Modoc Alturas-Cedarville highway. Comment
  HSC2225  Blepharipappus scaber C. L. Hitchcock 1940-5-27 6670 Modoc 15 mi NE of Alturas 1616 Comment
  CAS-BOT-BC15078  Blepharipappus scaber Louis Cutter Wheeler 1935-8-1 3725 Modoc Pine Creek, Warner Mts. 1767 Comment
  CAS-BOT-BC15084  Blepharipappus scaber R. M. Austin; C. C. (Mrs.) Bruce 1898-7-1 2322 Modoc Davis Creek. Comment
  UC1567371  Boechera davidsonii G. Schoolcraft 1989-7-17 1967 Modoc e of Patterson Lake; Warner Mts. 2804 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-BC95729  Boechera pauciflora Milo Samuel Baker; Franklin P. Nutting 1894-1-1 Modoc Near Egg Lake. Comment
  CAS-BOT-BC95733  Boechera pauciflora Roxana Stinchfield Ferris; R. Duthie 1919-6-14 122 Modoc Parker Creek, Warner Mts. 2133 Comment
  CAS-BOT-BC95737  Boechera pauciflora Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-13 6550 Modoc 8 km E of Likely along S Fork of Pit River. 1380 Comment
  RSA0049640  Boechera pauciflora Dean Wm. Taylor 2012-6-19 21248 Modoc Mouth of Baggett Gulch (ca 3 air miles S of Canby), Modoc National Forest 1463 Comment
  CAS-BOT-BC100300  Boechera puberula Bruce Bartholomew 1992-5-15 6292 Modoc Along Sand Creek in hills on the E side of Surprize Valley, E the N end of Middle Alkali Lake. 1410 Comment
  CAS-BOT-BC58661  Boechera retrofracta Bruce Bartholomew; Barrett Anderson 1989-6-3 4899 Modoc ca. 8 km WNW of Long Bell Ranger Station. 1350 Comment
  UC748378  Boechera retrofracta Annie M. Alexander and Louise Kellogg 1946-6-27 4848 Modoc 2 mi by road from Dismal Swamp (Highgrade, n end of Warner Mountains); Warner Mountains, Highgrade 2377 Comment
  CAS-BOT-BC25535  Boechera retrofracta B. Bartholomew 1990-6-18 5361 Modoc 1.6 mile south of Davis Creek on Highway 395. 1450 Comment
  CAS-BOT-BC25536  Boechera retrofracta B. Bartholomew 1991-5-25 5746 Modoc Ca. 2 km northeast of Blue Mountain. 1580 Comment
  CAS-BOT-BC25894  Boechera subpinnatifida John Thomas Howell 1934-6-12 11989 Modoc 9 miles south of Davis Creek. Comment
  CAS-BOT-BC58569  Boechera suffrutescens Annie Montague Alexander; L. Kellogg 1946-7-23 5054 Modoc Emerson Peak, Warner Mts. Comment
  RSA166296  Boisduvalia glabella Peter H. Raven, Otto T. Solbrig 1958-6-18 13332 Modoc Eastern outskirts of Lookout Comment
  RSA600323  Boisduvalia stricta Louis C. Wheeler 1935-8-19 3898 Modoc Devil's Garden: Pine Spring. 1524 Comment
  CAS-BOT-BC244943  Brodiaea coronaria subsp. coronaria Bruce Bartholomew 1994-7-1 6751 Modoc 7.6 km NW of County Road 91 between Lookout and Lookout Jct. on County road 93. 1280 Comment
  CAS-BOT-BC242405  Bromus briziformis Roxana Stinchfield Ferris; R. Duthie 1919-6-15 158 Modoc Parker Creek. Comment
  HSC9119  Bromus briziformis M. T. Milligan 1964-6-6 12 Modoc N side of Dorris Reservoir along shore 1372 Comment
  POM364017  Bromus briziformis Christopher Davidson 1975-6-4 2602 Modoc 0.4 mi E of Hwy 395 on Hwy 299 toward Cedarville.Fenced pasture on S side of rd. 1380 Comment
  UCSB29269  Bromus briziformis Hardham, Clare 1961-6-18 Modoc Cedar Pass Comment
  CAS-BOT-BC242434  Bromus carinatus var. carinatus Leland S. Smith 1917-7-17 84 Modoc Deep Creek. 2042 Comment
  CAS-BOT-BC242443  Bromus carinatus var. carinatus Leland S. Smith 1922-7-17 1303 Modoc Near Alturas. Comment
  CAS-BOT-BC242474  Bromus carinatus var. carinatus John H. Hatton 1911-6-15 107 Modoc unspecified Comment
  JEPS69180  Bromus carinatus var. carinatus Leland S. Smith 1918-6-22 971 Modoc Modoc National Forest, Pine Creek Canyon Pine Creek Canyon; Modoc National Forest, Pine Creek Canyon 2133 Comment
  SJSU2087  Bromus carinatus var. carinatus J. W. Tilden 1958-6-26 1273 Modoc Warner Mts., W side of Cedar Pass between Alturas & Cedarville 1828 Comment
  POM264293  Bromus commutatus A. A. Beetle 1941-6-29 2837 Modoc south slope of Mount Adin Comment
  UC1024895  Bromus diandrus Leo Whitney 1935-5-23 3119 Modoc 15 mi nw of Canby (Hackamore, Modoc National Forest, Lake Joaquina); Hackamore, Modoc National Forest, Lake Joaquina 1463 Comment
  CAS-BOT-BC242469  Bromus hordeaceus Leland S. Smith 1924-6-8 1393 Modoc W of Egg Lake. 1310 Comment
  CAS-BOT-BC242466  Bromus inermis Leland S. Smith 1924-5-20 s.n. Modoc S side Egg Lake. Comment
  SJSU5110  Bromus inermis H. L. Buckalew 1961-6-29 Modoc Stowe Reservoir 1 mi N of Cedar Pass on the Alturas-Cedarville Rd, Warner Mts 1920 Comment
  CDA13463  Bromus inermis subsp. inermis G. F. Hrusa, T. D. Wilfred 1996-7-21 13310 Modoc Modoc Plateau; Large colony at edge of riparian willow scrub along Pit River at Modoc Co. Rd. 90 bridge. E base of Splawn Mtn. N end of Big Valley. Perennial 1.5-2 m tall. Comment
  CAS-BOT-BC242461  Bromus japonicus Bruce Bartholomew 1989-7-14 4922 Modoc Along Rush Creek between Lower and Upper Rush Creek Campgrounds. 1580 Comment
  CHSC110895  Bromus japonicus Lowell Ahart; John Dittes 2012-7-10 18313 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. 1267 Comment
  JEPS119962  Bromus japonicus Lowell Ahart, John Dittes 2012-7-10 18313 Modoc Ash Creek State Wildlife Area, about 3.2 miles (air) west of Adin, about 8.4 miles (air) northeast of Bieber, Big Valley. Comment
  CAS-BOT-BC242459  Bromus suksdorfii Leland S. Smith 1922-7-20 1277 Modoc Rush Creek Ranger Station. 1905 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-BC242456  Bromus tectorum Clare Butterworth Hardham 1961-6-17 7524 Modoc Cedar Pass Camp Ground. Comment
  HSC80910  Bromus tectorum G. M. Riegel 1980-7-8 830 Modoc South Warner Mtn. 530 Comment
  HSC9121  Bromus tectorum M. T. Milligan 1964-6-4 29 Modoc East D St. between 4th and 5th St., Alturas 1372 Comment
  HSC9360  Bromus tectorum M. T. Milligan 1965-6-23 299 Modoc N end Jess Valley 1616 Comment
  RSA180227  Bromus tectorum Clare B. Hardham 1961-6-17 7524 Modoc Cedar Pass Camp Ground. Comment
  HSC9401  Calamagrostis canadensis var. langsdorffii M. T. Milligan 1966-7-5 559 Modoc Slopes and ridges E of Jess Valley 1768 Comment
  NY465090  Callitriche palustris G. Schoolcraft 1990-7-11 2106 Modoc About 2 miles west of West Valley Reservoir 1493.5 Comment
  RSA551338  Callitriche verna Bruce Bartholomew 1991-10-13 6120 Modoc Dismal Swamp, N end of Warner Mts. 2200 Comment
  CAS-BOT-BC85787  Calocedrus decurrens M. B. Kildale 1926-9-11 2768 Modoc Between Malin, Oregon & Alturas 1371 Comment
  CAS-BOT-BC244937  Calochortus leichtlinii Barrett Anderson 1986-7-10 3205 Modoc West Warner Rd just S of the N Fork of Fitzhugh Creek. 1980 Comment
  HSC15399  Calochortus leichtlinii M. T. Milligan 1966-6-29 484 Modoc N end of Jess Valley 1616 Comment
  JEPS75031  Calochortus longebarbatus var. longebarbatus Mrs. Richard G. Kay Paulson 1975-7-20 Modoc 0.5 mi e Craig Spring (which is ca 12 mi wnw of Canby) 1524 Comment
  CAS-BOT-BC242145  Calochortus macrocarpus Roxana Stinchfield Ferris; L. Lorraine 1941-8-14 10609 Modoc Summit of Fandango Pass. 1889 Comment
  SD52081  Calochortus macrocarpus Frank Stephens 1894-7-28 10333 Modoc Goose Lake. Comment
  CAS-BOT-BC217330  Caltha leptosepala Bruce Bartholomew 1992-5-15 6302 Modoc Tamarack Flat, E side of the Warner Mountains. 2160 Comment
  UC118787  Caltha leptosepala Mrs. R. M. Austin July 1894 139 Modoc Lassen Creek Comment
  UC748207  Caltha leptosepala Annie M. Alexander and Louise Kellogg 1946-6-26 4829 Modoc Dismal Swamp, north end of Warner Mountains. 2255 Comment
  RSA0039544  Calycadenia ciliosa Lowell A. Ahart, John Dittes 2008-8-26 15331 Modoc On the sides of County Road 85a, 287 feet east of County Road 91, 7.7 miles (air) north-northeast of Lookout. 1303 Comment
  SBBG128894  Calycadenia fremontii L. Ahart, J. Dittes 2008-8-25 15294 Modoc W side of Pit River, ca. 1/8 mi E of County Rd 91, ca. 3.8 mi (air) NNE of Lookout 1273 Comment
  UC7766  Calyptridium monospermum Milo S. Baker 1893-6-30 Modoc Egg Lake 1371 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
  HSC6382  Calystegia occidentalis subsp. occidentalis M. T. Milligan 1965-6-30 387 Modoc E of Jess Valley. 1707 Comment
  POM127900  Calystegia occidentalis subsp. occidentalis W. P. Taylor, H. C. Bryant, B. Taylor 1910-6-26 s.n. Modoc Warner Mountains. 1677 Comment
  CAS-BOT-BC242126  Camassia quamash subsp. breviflora Elmer Ivan Applegate 1929-6-24 5897 Modoc Davis Creek. Comment
  CAS-BOT-BC242129  Camassia quamash subsp. breviflora Malcom A. Nobs; Stanley Galen [S. Galen] Smith 1949-5-29 773 Modoc 1 mi. E of Lake City. Comment
  UC421787  Camassia quamash subsp. breviflora Milo S. Baker before February 1906 Modoc Forestdale Comment
  POM312923  Camassia quamash subsp. breviflora Malcolm A. Nobs, S. Galen Smith 1949-5-29 773 Modoc 1 mile east of Lake City Comment
  CAS-BOT-BC58638  Camelina microcarpa John Thomas Howell 1934-6-30 12279 Modoc Duncan Horse Camp. 1355 Comment
  CAS-BOT-BC191131  Camissonia andina M. M. Hanna 1956-6-4 951 Modoc Turn off Alturas to Cedarville. Comment
  CAS-BOT-BC191136  Camissonia andina R. M. Austin 1887-6-1 Modoc Goose Lake Valley. Comment
  NY850415  Camissonia andina A. A. Heller 1941-6-25 16198 Modoc On the Cedarville road a short distance east of the junction with U.S. Highway #395 Comment
  RSA520377  Camissonia andina Bruce Bartholomew, B. Anderson 1989-6-1 4740 Modoc Ca. 0.5 km S of State Hwy 299 on road to Shaker Spring. 1420 Comment
  UC20540  Camissonia contorta M. S. Baker and Frank Nutting 1894-6-29 Modoc Big Valley Comment
  POM319062  Camissonia contorta Patricia Wilder 1971-6-20 5064 Modoc North part of Egg Lake (now a meadow), northwest of Lookout; north of Bieber and California State Highway 299; Modoc National Forest. Cascades Mt. Range. 1372 Comment
  RSA41243  Camissonia subacaulis A. M. Alexander, Louise Kellogg 1946-6-26 4831 Modoc Dismal Swamp, N end of Warner Mtns. 2256 Comment
  CAS-BOT-BC160855  Camissonia tanacetifolia subsp. tanacetifolia Lillian Mott 1976-5-29 2 LM76 Modoc Big Sage Reservoir road, Devil's Garden, north of Alturas 1402 Comment
  CAS-BOT-BC191078  Camissonia tanacetifolia subsp. tanacetifolia John Thomas Howell 1934-6-15 12196 Modoc Dorris Reservoir. Comment
  CAS-BOT-BC191079  Camissonia tanacetifolia subsp. tanacetifolia Barrett Anderson 1986-7-9 3147 Modoc Crowder Flat Rd, 3.2 km off Hwy 299. 1510 Comment
  RSA72211  Camissonia tanacetifolia subsp. tanacetifolia F. W. Peirson 1926-6-24 6857 Modoc Small lake about 3 miles east of Alturas. Comment
  CAS-BOT-BC95105  Campanula scabrella D. Showers 1978-8-8 4219 Modoc Near Patterson Lake. 2743 Comment
  CAS-BOT-BC95106  Campanula scabrella D. Showers 1978-8-8 4219 Modoc Near Patterson Lake. 2743 Comment
  CAS-BOT-BC58429  Cardamine breweri var. breweri Alice Eastwood; John Thomas Howell 1940-6-13 8166 Modoc Cedarville. Comment
  CAS-BOT-BC58433  Cardamine breweri var. breweri Betty J. Hammerly 1941-6-20 33 Modoc Along bank of Clear Lake, S end of Warner Mts. Comment
  CAS-BOT-BC58474  Cardamine breweri var. breweri Bruce Bartholomew; Barrett Anderson 1989-6-3 4862 Modoc Quaking Aspen Spring, between Goose Lake and Clear Lake Reservoir. 1500 Comment
  CDA42987  Cardaria pubescens L. Ahart 2008-8-25 15287 Modoc On the west bank of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout. Comment
  UCR34820  Carex J. A. Harpel 1981-8-6 V 3 Modoc Warner Mtns, South Warner Wilderness Area: E end of Patterson Lake, 7 mi NW of Eagleville 2744 Comment
  UC1024316  Carex abrupta Annie M. Alexander and Louise Kellogg 1946-6-14 4759 Modoc Patterson Mill road, Silver Creek branch 1828 Comment
  CAS-BOT-BC242373  Carex athrostachya Peter Hamilton Raven; Otto Thomas Solbrig 1958-6-17 13305 Modoc Hwy 299, 2.6 mi W of Alturas. Comment
  CHSC109483  Carex athrostachya L. P. Janeway; B. Castro 2012-7-25 10982 Modoc Warner Mountains. Slope along north side of Dismal Swamp. 2216 Comment
  CHSC110901  Carex athrostachya Lowell Ahart; John Dittes 2012-7-10 18305 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. 1267 Comment
  HSC7053  Carex athrostachya M. T. Milligan 1966-6-30 507 Modoc Slopes and ridges E of Jess Valley 1768 Comment
  UC1024336  Carex athrostachya Annie M. Alexander and Louise Kellogg 1946-7-18 5023 Modoc Benton Meadow Warner Mountains 2072 Comment
  CAS-BOT-BC245192  Carex densa Mrs. H. C. Cantelow 1941-5-23 3635 Modoc Hwy 299, 7.5 mi. W of Adin Pass Summit. Comment
  UC1586928  Carex densa Juha Pykala and D. H. Norris 1987-5-28 1301 Modoc Joseph Creek Rd. about 3 road mi from Highway 395 (w of Warner Mountains) 1550 Comment
  CAS-BOT-BC245187  Carex douglasii E. H. Steffen 1917-6-9 31 Modoc Jess Valley. 1524 Comment
  JEPS63611  Carex filifolia var. erostrata Leland S. Smith 1920-6-2 1160 1/2 Modoc Dismal Swamp, Mt. Bidwell Range 2133 Comment
  CAS-BOT-BC245184  Carex hoodii Annie Montague Alexander; L. Kellogg 1946-7-19 5031 Modoc Benton Meadow. 2072 Comment
  HSC48187  Carex jonesii D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19440 Modoc Upper Rush Creek Campground, about 8 mi. N of Adin on Hwy. 299 Comment
  HSC48330  Carex mariposana D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19362 Modoc Along the S Fork of the Pit River, ~6 mi. E of Likely. Comment
  CAS-BOT-BC245173  Carex nebrascensis Bruce Bartholomew; Barrett Anderson 1988-7-23 4588 Modoc Vicinity of Blue Bell Mine between Lily Lake and Dismal Swamp, Warner Mts.. 2170 Comment
  RSA577443  Carex nebrascensis L. C. Wheeler 1935-8-16 3870 Modoc Warner Mountains: Dismal Swamp, Twenty Mile Creek. 2226 Comment
  POM313115  Carex praegracilis H. L. Mason, Verne Grant 1947-7-12 13439 Modoc Corporation Ranch Headquarters, north of Likely. Comment
  HSC48331  Carex rostrata D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19361 Modoc Along the S Fork of the Pit River, ~6 mi. E of Likely. Comment
  SD130395  Carex scopulorum B. Bartholomew, B. Anderson 1988-7-23 4588 Modoc Warner Mountains; vicinity of Blue Bell Mine between Lily Lake and Dismal Swamp;perennial. 2170 Comment
  JEPS114828  Carex sheldonii Lowell Ahart, John Dittes 2008-6-21 15012 Modoc In shallow water 4-6 inches deep, edge of a large pond, north of a large levee, mountain meadow, in Big Valley, about 4.3 miles (air) northeast of the Headquarters at Ash Creek State Wildlife Area, about 7.3 miles (air) northeast of Bieber 1266 Comment
  RSA755320  Carex sheldonii L. Ahart, John Dittes 2008-6-21 15012 Modoc Edge of a large pond, north of a large levee, mountain meadow, in Big Valley, about 4.3 air miles northeast of the Headquarters at Ash Creek State Wildlife Area, about 7.3 air miles northeast of Bieber. 1267 Comment
  UC1100576  Carex simulata Verne Grant, Irving Schneider 1947-8-28 8338 Modoc nw Alturas; Jack Swamp Comment
  CHSC77253  Carex subfusca G. Schoolcraft 1996-7-23 2543 Modoc E. of Yankee Jim Ranch about 12 mile se of Alturas. 1645 Comment
  CAS-BOT-BC245144  Carex utriculata Louis Cutter Wheeler 1935-8-16 3872 Modoc Dismal Swamp, Warner Mountains 2225 Comment
  UC8077  Carex vesicaria Milo S. Baker 1893-7-8 Modoc Egg Lake Comment
  UC1024855  Carex whitneyi Leo Whitney 1935-6-6 3188 Modoc ca. 2 mi n Hole-in-the-rock (ca. 18 mi wnw of Canby) Comment
  CAS-BOT-BC225980  Castilleja applegatei subsp. pinetorum E. S. Willits 1940-5-6 216 Modoc Hillside near Lassen Creek, Willow Ranch. 1371 Comment
  CAS-BOT-BC225993  Castilleja applegatei subsp. pinetorum Alice Eastwood; John Thomas Howell 1940-6-13 8144 Modoc Fandango Pass. Comment
  CAS-BOT-BC229815  Castilleja applegatei subsp. pinetorum Bruce Bartholomew; Barrett Anderson 1988-7-21 4458 Modoc Vicinity of Patterson Campground, southern end of the Warner Mts. 2190 Comment
  HSC30198  Castilleja applegatei subsp. pinetorum D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-22 19346 Modoc Soup Springs Campground Comment
  JEPS26206  Castilleja applegatei subsp. pinetorum John Weiler with Andy P. Nelson 1961-5-28 61227 Modoc Cedar Pass Warner Mts. 1938 Comment
  JEPS27948  Castilleja applegatei subsp. pinetorum Frances D. Payne 1931-6-11 148 Modoc Parker Creek Warner Mountains 1584 Comment
  RSA518976  Castilleja applegatei subsp. pinetorum L. R. Heckard, Peter Rubtzoff 1971-8-3 2706 Modoc Near summit of Cedarville Pass, Warner Mts. 1982 Comment
  RSA60360  Castilleja applegatei subsp. pinetorum E. K. Balls 1950-5-10 15967 Modoc 0.5 mi. east of fork of Hwy 395 and Alturas Road. 1585 Comment
  UC1226031  Castilleja applegatei subsp. pinetorum Arthur Cronquist and Arthur H. Holmgren 1959-7-20 8517 Modoc 11 mi ne Alturas (benchland w of Warner Mts) 1554 Comment
  UC26532  Castilleja applegatei subsp. pinetorum M. S. Baker and Frank Nutting 1894-6-24 Modoc near Forestdale Comment
  UC585189  Castilleja applegatei subsp. pinetorum E. B. Babcock, G. L. Stebbins Jr. 1936-6-9 1802 Modoc hill above Lake City 1524 Comment
  UC71632  Castilleja applegatei subsp. pinetorum Mrs. M. H. Manning 1902-10-11 43 Modoc Warner Mts Warner Mts. (ne Modoc County) Comment
  UC986482  Castilleja applegatei subsp. pinetorum Annie M. Alexander and Louise Kellogg 1946-6-12 4733 Modoc 2 mi s Fort Bidwell 1444 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-BC226006  Castilleja arachnoidea Francis Marion Ownbey; Frederick Gustav Meyer 1940-7-1 2140 Modoc N slopes, Cedar Peak, Warner Mountains. Comment
  CAS-BOT-BC226008  Castilleja arachnoidea Elmer Ivan Applegate 1932-7-31 7993 Modoc Mill Creek Meadow, W slope of Warner Mountains. Comment
  CAS-BOT-BC226014  Castilleja campestris subsp. campestris Elmer Ivan Applegate 1897-6-5 2000 Modoc Near Alturas. Comment
  CAS-BOT-BC226023  Castilleja lacera David Daniels Keck; Jens Chr. Clausen 1935-6-24 3720 Modoc 14 mi. S of New Pine Creek. 1525 Comment
  CAS-BOT-BC226032  Castilleja lacera David Daniels Keck; Jens Chr. Clausen 1935-6-24 3720 Modoc 14 mi. S of New Pine Creek. 1525 Comment
  CDA13456  Castilleja lacera G. F. Hrusa, T. D. Wilfred 1996-7-21 13303 Modoc Modoc Plateau; Adjacent to Modoc Co. Rd. 90 bridge over Pit River. E base of Splawn Mtn. N end of Big Valley. Comment
  CHSC117366  Castilleja lacera 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
  CHSC71889  Castilleja lacera Vernon H. Oswald; Lowell Ahart 1998-9-8 9594 Modoc County Rd. 95 at Taylor Creek northwest of Lookout and ca. 0.5 air mi northeast of Lookout Junction. 1280 Comment
  JEPS27952  Castilleja lacera Frances D. Payne 1932-6-10 632 Modoc Parker Creek, w slope of Warner Mountains Warner Mountains 1584 Comment
  JEPS76161  Castilleja lacera T. I. Chuang with Fei-Mei Chuang 1977-7-26 7662 Modoc 2.2 mi n Adin (at junction of Highway 299 and road to Rush Creek Campground) 1371 Comment
  CAS-BOT-BC226040  Castilleja linariifolia John Thomas Howell 1934-7-2 12369 Modoc W side of Clear Lake. Comment
  POM7726  Castilleja linariifolia M. S. Baker 1898-08 528 Modoc Big Valley, near Johnsons. [County not specified.] Comment
Read comments
Jan 30 2016
  RSA104155  Castilleja linariifolia Elmer I. Applegate 1929-7-28 6082 Modoc North of Clear Lake. Comment
  CHSC117765  Castilleja pilosa L. P. Janeway 2016-5-16 11990 Modoc Modoc Plateau. Devils Garden area; along Road 47N07 1.8 road-km south of Road 181/73/47N09. Transition area between a large open rocky flat into open yellow pine forest with scattered juni-pers, low sage. 1573 Comment
  CHSC117770  Castilleja pilosa L. P. Janeway 2016-5-18 12056 Modoc Modoc Plateau. Between Goose Lake and the Devils Garden area; along southwest side of Goose Lake about 1.0 air--km southwest of north end of Road 48 causeway across the lake. 1434 Comment
  JEPS90547  Castilleja pilosa Dean Wm. Taylor and Glenn L. Clifton 1987-6-27 9110 Modoc Upper South Deep Creek Warner Mountains (headwaters) 2194 Comment
  JEPS118327  Castilleja tenuis Lowell Ahart, John Dittes 2011-6-22 17559 Modoc On the east side of the road, about 100 yards north of the Pilot Butte Parking Lot, north edge of Ash Creek Floodplain, 1.1 miles (air) south of County Road 87, 7.7 miles (air) west of Aden [Adin], 10 miles (air) east of Lookout, Big Valley 1264 Comment
  CAS-BOT-BC48468  Ceanothus cuneatus John H. Hatton 1911-6-16 96 Modoc Stone Coal Road 1371 Comment
  UC54488  Ceanothus cuneatus var. cuneatus H. M. Hall and E. B. Babcock 1903-6-21 4249 Modoc sw part of county, Sierra Nevada Mts. 1219 Comment
  CAS-BOT-BC217141  Ceanothus integerrimus Bruce Bartholomew 1995-6-22 6970 Modoc Between Day and Lookout, 0.8 km W of Day on County Road 94. 1140 Comment
  CAS-BOT-BC217146  Ceanothus prostratus A. D. Borden 1911-8-9 s.n. Modoc Along S. slope of Shields Creek Comment
  CAS-BOT-BC217149  Ceanothus prostratus E. S. Willits 1940-5-16 251 Modoc Willow Ranch. 1371 Comment
  RSA1097  Ceanothus prostratus E. R. Johnson 1928-8-31 1192 Modoc 4 miles W of lookout Comment
  RSA59344  Ceanothus prostratus E. K. Balls 1950-5-11 14632 Modoc 0.75 miles below E of crest of Fandango Pass (from Fort Bidwell - Lake City road to Bucks Creek Ranger Station on Hwy 395). 1860 Comment
  UC634806  Ceanothus prostratus F. H. Frost 1925-7-24 134 Modoc Jess Valley Warner Mts., Jess Valley Comment
  CAS-BOT-BC217125  Ceanothus velutinus Belknap C. Goldsmith 1911-9-17 39 Modoc Fandango Creek. W slope Warner Mts. 1615 Comment
  SEINET13946126 Image available Ceanothus velutinus Helen K. Sharsmith 1955-1 4505 Modoc Warner Mountains, Modoc national Forest. On trail to Mill Creek Falls and Clear Lake. Altitude ca 5750 ft 1753 Comment
  CDA7217  Centaurea diffusa Loring White 1959-8-19 Modoc West of Canby. 0 Comment
  CAS-BOT-BC281202  Centaurea stoebe subsp. micranthos B. Bartholomew 1989-7-14 4970 Modoc N end of Big Valley Comment
  JEPS114495  Centaurea virgata subsp. squarrosa Lowell Ahart, John Dittes 2008-8-25 15300 Modoc In the middle of a poor dirt road, on the west side of the Pit River, about 1/8 mile east of County Road 91,about 3.8 miles (air) north-northeast of Lookout 1273 Comment
  JEPS121189  Centromadia pungens subsp. pungens Lowell Ahart, John Dittes 2013-7-25 18957 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-BC181986  Cercis occidentalis Bruce Bartholomew 1992-5-14 6281 Modoc SW side of White Horse Mountains, SW of White Horse Flat Reservoir. 1400 Comment
  CHSC100419  Cercocarpus betuloides var. macrourus Lowell Ahart; John Dittes 2008-8-26 15357 Modoc Southeast side of Rose Creek, 750 feet southwest of confluence of Rose Creek and Pit River, on the southeast side of unnamed road, 2660 feet east of intersection with County Road 85a, 0.3 miles (air) north-northeast of Lookout. 1276 Comment
  JEPS45548  Cercocarpus betuloides var. macrourus L. S. Smith 1924-6-4 1367 Modoc n of Egg Lake (Modoc National Forest); Modoc National Forest 1371 Comment
  UC415484  Cercocarpus betuloides var. macrourus Milo S. Baker 1893-6 Modoc Modoc Co. Comment
  HSC96013  Cercocarpus ledifolius Juha Pykala, D. H. Norris 1987-5-27 1055 Modoc Between Lower and Upper Rush Creek Campgrounds 1494 Comment
  CAS-BOT-BC214640  Cercocarpus ledifolius var. ledifolius Robert Folger Thorne; C. W. Tilforth 1969-9-5 39151 Modoc Near Mill Creek Falls, Warner Mts., Modoc National Forest 1752 Comment
  CHSC65830  Cercocarpus ledifolius var. ledifolius J. Ingraham 1995-4-16 16 Modoc 12 mi NW of Davis Creek on Goose Lake Rd. E 1/4 of Goose Lake. 1447 Comment
  CAS-BOT-BC197535  Cercocarpus ledifolius var. ledifolius John H. Hatton 1911-6-12 36 Modoc Modoc County. 1524 Comment
  NY418594  Cercocarpus macrourus M. S. Baker 1893-6-20 s.n. Modoc Rocky hillside. Comment
  CAS-BOT-BC15062  Chaenactis douglasii var. douglasii R. M. Austin; C. C. (Mrs.) Bruce 1898-7-1 2177 Modoc Davis Creek plains. Comment
  CAS-BOT-BC15069  Chaenactis douglasii var. douglasii David Daniels Keck; J. Clausen 1935-6-24 3716 Modoc 1 mi. N of Buck's Ranger Station, 8 mi. south of New Pine Creek 1524 Comment
  UC30989  Chaenactis douglasii var. douglasii Mrs. R. M. Austin 1894-8-1 Modoc Goose Lake Valley Comment
  JEPS22855  Chaenactis douglasii var. douglasii A. A. Heller 1938-6-24 15221 Modoc between Alturas and Canby (on U.S. Highway #299) 1341 Comment
  CAS-BOT-BC141742  Chamaebatiaria millefolium L. S. Smith 1918-8-7 1012 Modoc Black Knob, Warner Mts. Comment
  CAS-BOT-BC197575  Chamaebatiaria millefolium Mrs. M. H. Manning s.n. Modoc NW Modoc County. Comment
  JEPS9109  Chamaesaracha nana W. L. Jepson 1918-8-7 7854 Modoc Mt. Bidwell 1798 Comment
  CAS-BOT-BC245418  Chamaesaracha nana Mrs. H. C. Cantelow 1940-6-2 4487 Modoc NW of Canby. Comment
  NY1001694  Chamaesyce serpyllifolia M. J. Williams 1985-8-13 85- 66 --2 Modoc Big Sage Reservoir. Northwest of Alturas 1524 Comment
  CAS-BOT-BC30191  Cheilanthes gracillima Bruce Bartholomew 1992-5-17 6343 Modoc SW side of White Horse Mountains, SW of White Horse Flat Reservoir 1460 Comment
  JEPS114754  Chenopodium Lowell Ahart, John Dittes 2008-6-21 15010 Modoc Along a large levee, mountain meadow, in Big Valley, about 4.3 miles (air) northeast of the Headquarters at Ash Creek State Wildlife Area, about 7.3 miles (air) northeast of Bieber 1266 Comment
  CHSC115522  Chenopodium album Lowell Ahart; John Dittes 2015-7-16 20360 Modoc North edge of Ash Creek (destroyed), southeast of the gravel pit (destroyed), about 1/8 mile east of parking are on east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  JEPS46212  Chenopodium botrys F. H. Frost 1925-7-13 72 Modoc Mountain roadside; (probably near Cedarville) Comment
  CHSC106201  Chenopodium desiccatum Lowell Ahart; John Dittes 2010-8-31 17111 Modoc On the east side of Elkins Lane, about 100 yards north of the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1267 Comment
Read comments
Jul 20 2019
  UC1191344  Chenopodium glaucum Herbert L. Mason 1947-8-12 13507 Modoc junction of North and South Forks of Pit River Alturas Comment
  CAS-BOT-BC95528  Chenopodium leptophyllum Louis Cutter Wheeler 1935-8-30 3930 Modoc Lakeshore Reservoir, Devil's Garden. 1524 Comment
  RSA624120  Chenopodium leptophyllum L. C. Wheeler 1935-8-26 3921 Modoc South Mt. devil's Garden: McGinty Point. 1524 Comment
  UCD98317  Chenopodium murale Herbert L. Mason 1947-8-15 13555 Modoc Mouth of Crane Creek on Willow Ranch, east side of Goose Lake. Comment
  CAS-BOT-BC95531  Chenopodium pratericola Bruce Bartholomew 1989-7-14 4958 Modoc Survice Gulch ca. 3 km NE of Egg Lake. 1340 Comment
  RSA623604  Chenopodium pumilio L. C. Wheeler 1935-8-3 3758 Modoc Warner Mountains: Rock Lake, Pine Creek 1920 Comment
  POM312490  Chenopodium salinum H. L. Mason 1947-8-12 13507 Modoc Junction of North and South forks of Pit River, Alturas. Comment
  UC70347  Chimaphila menziesii Milo S. Baker July 1898 535 Modoc Forestdale Comment
  UC748235  Chimaphila menziesii Annie M. Alexander and Louise Kellogg 1946-7-24 5063 Modoc trail to Emerson Camp (Bear Camp Flat); Warner Mts., Bear Camp Flat Comment
  CAS-BOT-BC95667  Chimaphila umbellata Bruce Bartholomew 1995-7-30 7044 Modoc Big Valley Mountains N of County Road 94. 1400 Comment
  HSC80767  Chimaphila umbellata G. M. Riegel 1979-8-21 680 Modoc S Warner Mtns. 1670 Comment
  CAS-BOT-BC197833  Chorizanthe polygonoides var. polygonoides Bruce Bartholomew 1994-7-1 6747 Modoc 7.6 km NW of County Road 91 between Lookout and Lookout Jct. on County road 93. 1280 Comment
  POM166648  Chrysolepis sempervirens Baker, Nutting 1893-06 3262 Modoc Squaw Valley, near Mt. Shasta. Comment
  CAS-BOT-BC15048  Chrysothamnus nauseosus subsp. albicaulis Philip Alexander Munz 1951-9-14 16980 Modoc Jess Valley. 1615 Comment
  CAS-BOT-BC15037  Chrysothamnus nauseosus subsp. consimilis Isabelo T. Kelly 1930-1-1 56 Modoc Fort Bidwell. Comment
  SEINET7450729 Image available Chrysothamnus viscidiflorus subsp. latifolius M. J. Williams, G. Smith 1983-9-13 83- 153 -1 Modoc 1.6 miles beyond campground on Stowe Reservoir road, north of Cedar Pass Rd., Warner Mountains 2012 Comment
  CAS-BOT-BC14992  Chrysothamnus viscidiflorus subsp. viscidiflorus Bruce Bartholomew 1989-8-11 5078 Modoc Fandango Pass, Warner Mountains. 1860 Comment
  CAS-BOT-BC14999  Chrysothamnus viscidiflorus subsp. viscidiflorus Ernest Christian Twisselmann 1961-9-22 6573 Modoc Jess Valley, Warner Mountains 1676 Comment
  CHSC106177  Chrysothamnus viscidiflorus subsp. viscidiflorus Lowell Ahart; John Dittes 2010-8-30 17061 Modoc Near the homestead, about 100 yards east of the fence, Ash Creek State Wildlife Area, 2300 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  JEPS21426  Chrysothamnus viscidiflorus subsp. viscidiflorus W. L. Jepson 1918-8-12 7947 Modoc Jess Valley 1584 Comment
  RSA67198  Chrysothamnus viscidiflorus subsp. viscidiflorus P. A. Munz 1951-9-14 16979 Modoc Jess Valley, S Warner Mts. 1631 Comment
  SEINET10879186  Chrysothamnus viscidiflorus subsp. viscidiflorus Andrew Townesmith, Karen M. Meyer 2007-9-15 Townesmith 926 Modoc Modoc National Forest, Warner Mountain Ranger District. Along state route 299, 10.9 miles west of junction with US route 395. At Cedar Pass. T43N R15E S28 SW 1/4. 1928 Comment
  UC71576  Chrysothamnus viscidiflorus subsp. viscidiflorus Mrs. M. H. Manning 1902-10-1 27 Modoc near Fort Bidwell (ne Modoc county) Comment
  UC1400383  Cicuta douglasii R. F. Thorne and C. W. Tilforth 1969-9-5 39160 Modoc Modoc National Forest, Warner Mountains, Clear Lake Clear Lake; Modoc National Forest, Warner Mountains, Clear Lake 1767 Comment
  CAS-BOT-BC191002  Circaea alpina subsp. pacifica Bruce Bartholomew 1991-8-6 6089 Modoc S Emerson Trail at stream between S Fork of Emerson Creek and Bearcamp Trail, Warner Mts. 2130 Comment
  UC422820  Circaea alpina subsp. pacifica Franklin P. Nutting 1900-8-20 Modoc Taylor Creek near Forestdale; Taylor Creek Comment
  CDA21202  Cirsium K. Haas 2007-2-6 PDR 1402971 Modoc Modoc Plateau; County Rd. 1, Cedarville. 0 Comment
  CDA1060  Cirsium arvense T. C. Fuller 1959-7-8 2746 -A Modoc Grainfield, 1.5 mi. South of Tulelake. 0 Comment
  CAS-BOT-BC14935  Cirsium occidentale var. candidissimum Roxana Stinchfield Ferris 1951-9-14 12466 Modoc Cedar Pass, Warner Mountains, between Cedarville and Alturas Comment
  CAS-BOT-BC14936  Cirsium occidentale var. candidissimum Annie Montague Alexander; L. Kellogg 1946-6-22 4813 Modoc 2 mi. N of Lake City. 1414 Comment
  HSC5400  Cirsium occidentale var. candidissimum M. T. Milligan 1966-7-7 564 Modoc East of Jess Valley, Warner Mtns. 1738 Comment
  HSC65596  Cirsium occidentale var. candidissimum Thomas Wood 1979-8-9 230 Modoc Dirt road along Bidwell Creek, 2.7 mi. NW of jct. with Co. Hwy. 2. N of Fort Bidwell 1555 Comment
  RSA0070700  Cirsium occidentale var. candidissimum Milo S. Baker 1893-7-25 s.n. Modoc Lava beds. Comment
  UC705706  Cirsium occidentale var. candidissimum Marion Ownbey and Fred. G. Meyer 1940-7-1 2159 Modoc 1 mi w of Cedarville Comment
  UC748332  Cirsium scariosum var. americanum Annie M. Alexander and Louise Kellogg 1946-6-14 4765 Modoc Silver Creek branch Patterson Mill road 1828 Comment
  CAS-BOT-BC228711  Cistanthe umbellata John Thomas Howell 1934-6-14 12152 Modoc Near Lost Lake, Warner Mts. 2438 Comment
  LA106634  Clarkia gracilis subsp. albicaulis Frances D. Payne; 1929-6-13 6 Modoc Warner Mountains, Parker Creek, S and E of Alturas 1584 Comment
  CAS-BOT-BC191064  Clarkia gracilis subsp. gracilis Frances D. Payne 1932-6-10 640 Modoc Parker Creek 1584 Comment
  CHSC85162  Clarkia gracilis subsp. gracilis John Dittes; Josephine Guardino 1991-7-21 398 Modoc Modoc Plateau; Big Valley; Ash Creek Wildlife Area; ca. 7.7 air-miles northeast of Bieber, ca. 4.0 air-miles west by southwest of Adin, ca. 5.0 air-mile east by southeast of Pilot Butte summit, ca. 0.6 mile east of Walters Road and Owl Barn; meadow at southern edge of Ash Creek Floodplain. 1271 Comment
  RSA165627  Clarkia gracilis subsp. gracilis Clare B. Hardham 1961-6-19 7848 Modoc Willow Creek. Comment
  CAS-BOT-BC191054  Clarkia lassenensis Annie Montague Alexander; L. Kellogg 1946-6-12 4738 Modoc Fandango Pass road. 1706 Comment
  UC71665  Clarkia lassenensis Mrs. M. H. Manning June 1903 154 Modoc near Fort Bidwell Comment
  RSA78961  Clarkia stellata E. K. Balls, Percy C. Everett 1952-10-11 18166 Modoc 6.1 mi. W of turn off of Highway 139 on road to Pumice Pits at E edge of Glass Flow. 1280 Comment
  CAS-BOT-BC197444  Claytonia lanceolata Harry Dwight Dillon Ripley; Rupert Charles Barneby 1944-6-1 6003 Modoc Cedar Pass. 1920 Comment
  UC7957  Claytonia parviflora subsp. parviflora M. S. Baker and Frank Nutting 1894-6-16 Modoc Big Valley Mts. Comment
  CHSC67127  Claytonia perfoliata James D. Jokerst 1987-5-14 2880 Modoc Radar Survey Site S of doublehead Mtn., S of Clear Lake Reservoir, E and adjacent to SW-NE oriented fence. 1348 Comment
  CAS-BOT-BC197433  Claytonia perfoliata subsp. intermontana Bruce Bartholomew 1990-6-17 5309 Modoc Vicinity of Emerson Camp near roadhead, E side of Warner Mts. 1750 Comment
  CAS-BOT-BC197473  Claytonia rubra subsp. rubra Bruce Bartholomew 1991-5-24 5712 Modoc Surprise Valley, E of Eagleville at the Nevada State boundary. 1520 Comment
  SD52231  Cleome platycarpa Frank Stephens 1894-7-16 728 Modoc 1430 Comment
  CAS-BOT-BC226093  Collinsia parviflora Annie Montague Alexander; L. Kellogg 1946-7-17 5011 Modoc Benton Meadow, Warner Mountains 2072 Comment
  CAS-BOT-BC229857  Collinsia parviflora F. Angwin 1946-4-6 s.n. Modoc Yowell Ranch, Adin. 1371 Comment
  CAS-BOT-BC229867  Collinsia parviflora E. H. Steffen 1917-5-21 7 Modoc West Valley camp. 1676 Comment
  JEPS11708  Collinsia parviflora F. W. Pennell Jun 8 1940-Jun 9 1940 25737 Modoc ne Alturas (e slope Warner Mtns); Warner Mtns 1737 Comment
  POM203785  Collinsia parviflora J. T. Howell 1934-6-14 12135 Modoc Near Lost Lake, Warner Mts. 2439 Comment
  RSA534599  Collinsia parviflora Bruce Bartholomew 1991-6-20 5780 Modoc NE side of Barber Ridge, 10 km NW of Adin on road to Fox Mountain. 1580 Comment
  CAS-BOT-BC229871  Collinsia torreyi Annie Montague Alexander; L. Kellogg 1946-7-19 5035 Modoc Near Benton Meadow. 2072 Comment
  CAS-BOT-BC190732  Collomia grandiflora Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16437 Modoc 4 mi. E of summit of Cedar Pass along Cedar Pass road. Comment
  CAS-BOT-BC190740  Collomia grandiflora K. Paulson; Robert Paulson 1989-7-2 161 Modoc Cottonwood Flat. 1447 Comment
  CHSC109883  Collomia grandiflora B. Castro; L. P. Janeway 2012-7-25 1956 Modoc Warner Mountains. Slope along N side of Dismal Swamp, along sides of rough gravel road going N out of swamp. 2218 Comment
  HSC32014  Collomia grandiflora J. D. Ackerman, A. M. Montalvo 1974-7-4 365 Modoc Howards Gulch, 6 mi. NW of Canby, off Hwy. 139 Comment
  RSA82760  Collomia grandiflora J. M. Tucker 1950-7-25 1972 Modoc beside highway 139, 26.4 miles southeast of Tule Lake Comment
  SJSU11434  Collomia grandiflora H. L. Buckalew 1961-7-4 Modoc by Stough Reservoir 1 mi N of Cedar Pass on Alturas Cedarville Rd 1920 Comment
  UC748267  Collomia grandiflora Annie M. Alexander and Louise Kellogg 1946-7-7 4952 Modoc ne corner of county Eight Mile Creek 1752 Comment
  CAS-BOT-BC190723  Collomia linearis Elmer Ivan Applegate 1932-8-3 8106 Modoc Mill Creek Meadow, W slope of Warner Mts. Comment
  CAS-BOT-BC190708  Collomia tinctoria John Thomas Howell 1934-7-1 12315 Modoc Duncan Horse Camp. 1355 Comment
  CAS-BOT-BC190714  Collomia tinctoria Bruce Bartholomew 1995-6-1 6922 Modoc 1.3 km E of Day between Day and Lookout on County Road 94. 1200 Comment
  CAS-BOT-BC190717  Collomia tinctoria Bruce Bartholomew; Barrett Anderson 1988-5-12 4133 Modoc Along the N side of the Pit River, 0.5 km W of State Highway 299 on Bushey Road. 1310 Comment
  HSC75908  Collomia tinctoria D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19481 Modoc Upper Rush Creek Campground, about 8 mi. N of Adin on Hwy. 299 Comment
  JEPS71065  Collomia tinctoria Milo S. Baker 1893-6-10 Modoc sw corner of county Forestdale Comment
  HSC31084  Comarum palustre R. F. Thorne, C. W. Tilforth 1969-9-5 39162 Modoc Modoc National Forest: Warner Mtns.; Clear Lake 1768 Comment
  CAS-BOT-BC95589  Convolvulus arvensis Bruce Bartholomew 1989-7-14 4940 Modoc Stone Coal Valley, 3.2 km W of State Hwy 299. 1340 Comment
  UC1036065  Corallorhiza maculata Annie M. Alexander and Louise Kellogg 1946-7-17 5005 Modoc Benton Meadow Warner Mountains 2072 Comment
  CAS-BOT-BC229876  Cordylanthus capitatus Alice Eastwood; John Thomas Howell 1940-6-13 8145 Modoc Fandango Pass. Comment
  SD133735  Cordylanthus capitatus L. R. Heckard, P. Rubtzoff 1971-8-3 2705 Modoc At summit of Old Cannon Mill road, 3.5 miles north of Cedarville Pass, Warner Mts 1981 Comment
  CAS-BOT-BC229879  Cordylanthus ramosus Louis Cutter Wheeler 1935-8-20 3899 Modoc Pine Spring, Devil's Garden. 1524 Comment
  POM77924  Cornus stolonifera Mrs. R. M. Austin 1893-07 503 Modoc Davis Creek Comment
  JEPS118463  Crataegus douglasii Lowell Ahart, John Dittes 2011-6-21 17529 Modoc On the north bank of Ash Creek, Ash Creek State Wildlife Area, 4,500 feet south of County Road 87, 2.7 miles (air) west of Adin, 9.1 miles (air) northeast of Bieber Comment
  JEPS45514  Crataegus douglasii L. S. Smith 1917-9-10 156 Modoc Fandango Trail , Fandango Trail (Warner Mts.) 1981 Comment
  UC31287  Crepis acuminata Milo S. Baker 1893-6 Modoc Lava beds Comment
  RSA163735  Crepis acuminata Clare B. Hardham 1961-6-18 7801 Modoc Lava Flows along north fork Pitt River 3.3 miles south of Cedar Pass Road 1372 Comment
  CAS-BOT-BC14898  Crepis intermedia Bruce Bartholomew 1990-6-18 5388 Modoc Turner Creek at County Rd 90, N end of Big Valley, 6.4 km N of Lassen County border. 1230 Comment
  UC581221  Crepis intermedia G. L. Stebbins Jr. and J. A. Jenkins 1937-7-15 2376 Modoc Shaeffer Mountain; s side 1670 Comment
  CAS-BOT-BC291573  Crepis modocensis subsp. modocensis John Thomas Howell 1934-6-14 12144 Modoc Near Lost Lake, Warner Mts. 2438 Comment
  UC540830  Crepis occidentalis David D. Keck and J. Clausen 1935-6-24 3713 Modoc hillside 3 mi ne Willow Ranch 1470 Comment
  CAS-BOT-BC14857  Crepis occidentalis Gordon H. True 1964-6-3 1460 Modoc North fork of Pitt River between Alturas and Goose Lake. 1463 Comment
  UC1179049  Crocidium multicaule Herbert L. Mason 1949-4-16 13997 Modoc mesa e of Alturas Comment
  JEPS114436  Crypsis vaginiflora Lowell Ahart, John Dittes 2008-8-26 15353 Modoc bottom of Rose Creek, 550 feet southwest of confluence of Rose Creek and Pit River, on the northwest side of unnamed road, northeast of wire gate, 2860 feet east of intersection with County Road 85a, 9.3 miles (air) north-northeast of Lookout 1276 Comment
  CAS-BOT-BC54129  Cryptantha affinis Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10529 Modoc Patterson Ranger Station (East Creek drainage), Warner Mountains 2164 Comment
  CAS-BOT-BC54133  Cryptantha ambigua John Thomas Howell 1934-6-30 12297 Modoc Duncan Horse Camp. 1355 Comment
  JEPS70813  Cryptantha celosioides L. S. Smith 1919-6-5 1114 Modoc Deep Creek, above station Modoc Forest 1584 Comment
  UC1191831  Cryptantha echinella Herbert L. Mason and Verne Grant 1947-7-9 13316 Modoc Cedar Pass, summit of Warner Range Warner Range 1920 Comment
  CAS-BOT-BC54110  Cryptantha intermedia C. C. (Mrs.) Bruce 1893-6-1 84 Modoc Davis Creek. Comment
  CAS-BOT-BC54144  Cryptantha intermedia Mrs. H. C. Cantelow 1940-6-2 3318 Modoc 9.3 mi NW of Canby. Comment
  CAS-BOT-BC54150  Cryptantha intermedia John Thomas Howell 1934-7-1 12334 Modoc Duncan Horse Camp. 1355 Comment
  RSA164360  Cryptantha intermedia Clare B. Hardham 1961-6-18 7545 Modoc 3 miles east of Cedar Pass. 1829 Comment
  CAS-BOT-BC54122  Cryptantha torreyana John Thomas Howell 1934-6-13 12044 Modoc Fandango Pass, Warner Mountains 1828 Comment
  CAS-BOT-BC54077  Cryptantha torreyana John H. Hatton 1911-6-22 151 Modoc Huffman Ranch. 1615 Comment
  CAS-BOT-BC54083  Cryptantha watsonii Bruce Bartholomew; Barrett Anderson 1989-6-2 4823 Modoc Sand dunes at the SE corder of Upper Alkali Lake, E side of Surprise Valley. 1400 Comment
  UC190418  Cyperus squarrosus M. S. Baker and Frank Nutting 1894-8-20 Modoc Forestdale 1371 Comment
  POM229966  Cyperus squarrosus L. C. Wheeler 1935-9-3 3938 Modoc McGinty Reservoir, Devil s Garden 1463 Comment
  POM119130  Damasonium californicum Mrs. R. M. Austin 1895-07 481 Modoc Fletcher s Creek. Devil s Garden. Comment
  RSA504602  Damasonium californicum Bruce Bartholomew, B. Anderson 1988-6-23 4272 Modoc 4 km W of Day on County road 94. 1340 Comment
  CAS-BOT-BC242490  Danthonia unispicata Bruce Bartholomew 1991-6-21 5818 Modoc N side of Mud Lake, 5.3 km S of Forest Service road 73 on road to Rim Rock Valley. 1570 Comment
  RSA359360  Danthonia unispicata L. M. Shultz, John Shultz 1985-6-23 8595 Modoc Modoc Plateau at the western extension of the Great Basin, between Beeler and Duncan reservoirs north of Canby, near highway 139 1311 Comment
  SBBG524  Danthonia unispicata A. A. Beetle 1941-6-29 2884 Modoc near summit of Mt Adin 1828 Comment
  SEINET190962 Image available Danthonia unispicata A. A. Beetle 1941-6-29 2834 Modoc Near summit of Mt. Adin. 1829 Comment
  CAS-BOT-BC214751  Dasiphora fruticosa Leland S. Smith 1917-8-6 131 Modoc Benton Meadows 2194 Comment
  CHSC111991  Dasiphora fruticosa B. Castro; L. P. Janeway 2008-8-17 1755 Modoc Warner Mountains. North slope of Bald Mountain; mid-slope not far above last row of trees. 2319 Comment
  CAS-BOT-BC217342  Delphinium depauperatum Bruce Bartholomew 1994-7-2 6790 Modoc 8.9 km SE of Joseph Creek Basin on the W side of the Warner Mountains. 2120 Comment
  JEPS86305  Delphinium depauperatum Jack and Betty Guggolz 1988-7-4 979 Modoc Comment
  UC118657  Delphinium depauperatum Mrs. R. M. Austin 1894-1 Modoc Willow Creek Comment
  CAS-BOT-BC217313  Delphinium nuttallianum Edward Kent Balls 1950-5-12 14367 Modoc Above Bucks Creek Ranger Station, E of Goose Lake. 1767 Comment
  NY487921  Delphinium nuttallianum B. M. Bartholomew 1989-6-2 4841 Modoc Vicinity of Stough Reservoir, Warner Mountains 1950 Comment
  CAS-BOT-BC217277  Delphinium nuttallianum Belknap C. Goldsmith 1913-5-13 94 Modoc Modoc County. 1600 Comment
  CAS-BOT-BC217324  Delphinium nuttallianum L. A. M. Black 1893-6-1 87 Modoc Lassen Creek. Comment
  CAS-BOT-BC217283  Delphinium stachydeum Bruce Bartholomew 1990-8-4 5623 Modoc Slope on N side of Pine Creek Basin on trail to Patterson Lake, W side of Warner Mts. 2380 Comment
  JEPS23388  Delphinium stachydeum L. S. Smith 1918-7-13 992 Modoc Nevada Range <to?> Mill Cr. Range; Eagle Pk. 2133 Comment
  JEPS23622  Delphinium stachydeum L. S. Smith 1918-8-7 1013 Modoc Camp One-T39-16 2438 Comment
  CAS-BOT-BC242483  Deschampsia cespitosa subsp. cespitosa John H. Hatton 1911-6-22 144 Modoc Hoffman Ranch. 1615 Comment
  CAS-BOT-BC242477  Deschampsia danthonioides Alan Ackerman Beetle 1941-6-29 2838 Modoc S slope of Mt. Adin. Comment
  UC1024905  Deschampsia danthonioides Leo Whitney 1935-6-1 3108 Modoc 1 mi. s.w. White Horse Comment
  UCD61404  Deschampsia danthonioides A. A. Beetle 1941-6-29 2838 Modoc South slope of Mt. Adin. Comment
  CAS-BOT-BC247771  Deschampsia elongata Bruce Bartholomew; Barrett Anderson 1990-7-20 5496 Modoc Tamarack Flat, E side of Warner Mts. 2150 Comment
  HSC9610  Deschampsia elongata M. T. Milligan 1964-7-25 174 Modoc Pine Creek Basin, along trail. 2439 Comment
  UCD63293  Deschampsia elongata Carl W. Rimbey 1954-7-6 Modoc Along Shields Creek, Warner Mountains, 20 miles east of Alturas. Comment
  CAS-BOT-BC58437  Descurainia sophia F. Angwin 1946-4-14 Modoc Hillside near Alturas. Comment
  CHSC112433  Descurainia sophia Lowell Ahart; John Dittes, Todd Sloat 2013-6-8 18759 Modoc About 100 yards east of the Parking Area, near the old barn, Ash Creek State Wildlife Area, about 3.9 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  NY500200  Dicentra uniflora R. M. Austin 07 1898 2154 Modoc Mount Bidwell Comment
  UC3253  Dichelostemma capitatum Milo S. Baker 1893-7-12 Modoc Comment
  CAS-BOT-BC242121  Dichelostemma multiflorum Bruce Bartholomew 1994-5-14 6681 Modoc NW of Day between Oilar Ranch and Day Rock. 1190 Comment
  SEINET7839014 Image available Dieteria canescens Mrs. M. H. Maning 1904-1 s.n. Modoc Alturas, North-eastern Modoc County Comment
  HSC81136  Dieteria canescens var. canescens G. M. Riegel 1980-9-3 1132 Modoc South Warner Mountains 1739 Comment
  SJSU9660  Dieteria canescens var. canescens W. Savage 1979-7-9 1498 Modoc Round Valley, Triangle, Devils Garden District, Modoc National Forest 1493 Comment
  CAS-BOT-BC49464  Dieteria canescens var. shastensis Leland S. Smith 1917-9-8 155 Modoc Fandango Valley, Warner Mountains 1524 Comment
  CHSC75454  Dimeresia howellii V. H. Oswald; B. Corbin, A. Sanger, G. Schoolcraft 1999-6-12 9763 Modoc Soldier Creek Canyon adjacent to USFS 43N57 in the Warner Mtns. northeast of Stough Reservoir Campground, north side of Hwy. 299, east side of Cedar Pass. 2072 Comment
  HSC80855  Dimeresia howellii G. M. Riegel 1980-7-15 Modoc South Warner Mtns. 2100 Comment
Read comments
Jan 28 2011
  RSA109317  Dimeresia howellii H. K. Sharsmith 1955-6-23 4490 Modoc North of Hwy 28 and 6.7 miles east of Cedar Campground 1860 Comment
  UCR267416  Dimeresia howellii Jim Andre, Glenn L. Clifton 1993-6-12 29991 Modoc Warner Mountains, c. 3 mi west of Cedarville, along Cedar creek and Hwy 299, Modoc National Forest 1588 Comment
  UCSB31429  Dimeresia howellii Haller, John 1978-7-19 Modoc Summit ridge of Warner Mountains, 1 km north of the Likely-Eagleville Road 2377 Comment
  CAS-BOT-BC229909  Diplacus cusickioides G. Dallas Hanna 1952-9-20 s.n. Modoc On Eocene sediments in Conklin Canyon, Warner Mts. Comment
  SEINET8350431  Diplacus jepsonii B. Bartholomew 1995-6-24 7032 Modoc 0.3 km w of turn off to Dusty's Waterhole from Forest Service Road 42N23. 1320 Comment
  CAS-BOT-BC234486  Diplacus nanus Mrs. H. C. Cantelow 1941-5-23 s.n. Modoc 2 mi W of Adin Pass Summit, Hwy 299. Comment
  CAS-BOT-BC234488  Diplacus nanus Elmer Ivan Applegate 1897-6-2 889 Modoc Pit River Valley S of Alturas. Comment
  CAS-BOT-BC234489  Diplacus nanus Bruce Bartholomew 1991-5-24 5728 Modoc 2.9 km NE of road between Fort Bidwell and Fee Reservoir on road to Big Mud Lake. 1680 Comment
  OBI49345  Diplacus pygmaeus David M. Thompson 1988-6-3 927 Modoc Egg Lake, S end. Between Kramer Reservoir and White Horse-Lookout road along intermittent stream; 2.3 rd mi W of RR crossing T40N, R6E, NW1/4, NW1/4 S22 1300 Comment
  CAS-BOT-BC234441  Diplacus tricolor Bruce Bartholomew; Barrett Anderson 1989-6-3 4906 Modoc ca. 6 km NW of Egg Lake and ca. 0.8 km E of Service Flat Gulch. 1370 Comment
  CAS-BOT-BC247767  Distichlis spicata Leland S. Smith 1920-6-11 1171 Modoc Near Alturas. 1310 Comment
  CAS-BOT-BC218290  Dodecatheon alpinum Elmer Ivan Applegate 1932-8-7 8228 Modoc Stream at Lily Lake. Comment
  JEPS14684  Dodecatheon alpinum Frances D. Payne 1931-6-29 299 Modoc e Warren Peak (South slope of Owl Creek, Warner Mountains); Warner Mountains, s slope Owl Creek, e of Warren Peak 2133 Comment
  UC640440  Dodecatheon alpinum Elmer I. Applegate 1932-8-7 8228 Modoc along mossy stream at Lily Lake Warner Mountains, , Lily Lake (Bidwell Pass) Comment
  POM77104  Dodecatheon alpinum subsp. majus R. M. Austin 1895-09 448 Modoc Tamaracks Comment
  RSA101504  Dodecatheon conjugens R. Weatherby 1955-7-7 1600 Modoc Dismal Swamp, No Warner Mts 2241 Comment
  UC75672  Dodecatheon conjugens Milo S. Baker 1896-5-15 81 Modoc Forestdale Comment
  UC190689  Dodecatheon conjugens M. F. Gilman 576 Modoc 1524 Comment
  CAS-BOT-BC218269  Dodecatheon conjugens var. conjugens Bruce Bartholomew; Barrett Anderson 1989-4-28 4655 Modoc 11 km N of State Highway 299 and ca. 1 km S of Raker & Thomas Reservoir. 1500 Comment
  CAS-BOT-BC218277  Dodecatheon conjugens var. conjugens John Thomas Howell 1934-6-11 11976 Modoc Parker Creek. 1584 Comment
  CAS-BOT-BC218274  Dodecatheon conjugens var. conjugens C. C. (Mrs.) Bruce 1898-6-1 2302 Modoc Lake City Mts. Comment
  CAS-BOT-BC218283  Dodecatheon conjugens var. conjugens C. C. (Mrs.) Bruce 1899-5-1 560 Modoc Goose Lake. Comment
  CHSC77227  Dodecatheon pulchellum G. S. Batholomew 1998-6-4 2725 Modoc Island meadow on Devils Garden area. 1615 Comment
  CAS-BOT-BC95115  Downingia bacigalupii Barrett Anderson 1986-7-10 3208 Modoc West Warner Rd along Bear Flat. 1845 Comment
  CAS-BOT-BC95116  Downingia bacigalupii Alice Eastwood; John Thomas Howell 1940-6-14 8224 Modoc 8 mi. NW of Canby. Comment
  CAS-BOT-BC95124  Downingia bacigalupii Bruce Bartholomew 1991-7-4 5896 Modoc S end of Higgins Flat. 1370 Comment
  UC28971  Downingia bacigalupii Mrs. R. M. Austin 1894-1 Modoc Willow Creek Valley Comment
Read comments
Jul 6 2010
  RSA505679  Downingia bacigalupii G. H. True 1939-6-25 1034 Modoc Boles Meadow NE of Alturas. 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
  CHSC85120  Downingia bicornuta var. bicornuta John Dittes; Josephine Guardino 1991-7-21 415 Modoc Modoc Plateau; Big Valley; Ash Creek Wildlife Area; ca. 5.7 air-miles northeast of Bieber, ca. 7.6 air-miles west of Adin, ca. 1.5 air-mile southeast of Pilot Butte summit; meadow at northern edge of Ash Creek Floodplain (Big Swamp) at southeast base of Pilot Butte. 1258 Comment
  JEPS14499  Downingia bicornuta var. bicornuta Milo S. Baker 1893-6 Modoc Egg Lake Comment
  CAS-BOT-BC95142  Downingia insignis Elmer Ivan Applegate 1932-8-4 8159 Modoc Alturas. Comment
  SEINET12329656  Downingia insignis N. H. Holmgren, Holmgren, P. K. 1980-1 9456 Modoc U.S. Highway 299, 2.3 km (1.4 mi.) NE of junction with California Highway 139 through Canby, 1310 Comment
  SEINET8039562  Downingia insignis M. J. Williams 1984-1 84- 66 -1 Modoc 0.2 mile E of Highway 395 at Ravendale. 1524 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
  UC890623  Downingia insignis Lewis S. Rose 1940-6-11 40511 Modoc Canby 1325 Comment
  CHSC99271  Downingia laeta Lowell Ahart; John Dittes 2008-6-21 14984 Modoc In the drying pond, north of the large culvert, east of the large levee, in Big Valley, about 2.8 miles (air) north of the Headquarters at Ash Creek State Wildlife Area, about 5.4 miles (air) northeast of Bieber. Comment
  CAS-BOT-BC58298  Draba albertina Annie Montague Alexander; L. Kellogg 1946-6-25 4823 Modoc Dismal Swamp, N end of Warner Mts. 2255 Comment
  HSC80859  Draba albertina G. M. Riegel 1980-9-3 1130 Modoc S Warner Mtns. 2305 Comment
  SEINET195668  Draba albertina Annie M. Alexander, L Kellogg 1946-8-3 5112 Modoc Head of Eagle Creek Warner Mts Comment
  UC1553370  Draba densifolia Sch/Yor/Hor/Ach 1988-7-16 1829 Modoc ca 1.5 mi n Squaw Peak; Warner Mtns., n of Squaw Peak 2316 Comment
  CAS-BOT-BC58588  Draba verna Bruce Bartholomew; Barrett Anderson 1988-5-12 4101 Modoc White Horse. 1340 Comment
  CHSC114013  Dracocephalum parviflorum B. Castro; L. P. Janeway 2014-6-7 2028 Modoc Warner Mtns. East side of crest of Warner Mountains 1.1 mi E of Cedar Pass, 1.1 mi N of Hwy 299 along Stough Reservoir Rd (USFS Rd 43N07) ca 0.4 mi E of Stough Reservoir. 1959 Comment
  UCD99514  Drosera anglica J. P. Smith; J. O. Sawyer 1973-8-9 7281 Modoc Blue Lake, Modoc National Forest. 1828 Comment
  POM338222  Drymaria F. R. Fosberg 1957-8-18 38852 Modoc Upper Rush Creek Camp Ground, northeast of Adin. 1600 Comment
  UC1594772  Drymocallis David Charlet 1988-8-12 145 Modoc Warren Peak South Warner Mountains, Warren Peak 2957 Comment
  CAS-BOT-BC214766  Drymocallis glandulosa John Thomas Howell 1934-6-13 12073 Modoc Fandango Pass, Warner Mts. Comment
  CAS-BOT-BC214769  Drymocallis glandulosa Bruce Bartholomew 1990-6-16 5254 Modoc Between roadhead and Pine Creek Basin, W side of Warner Mountains. 2130 Comment
  UC12536  Drymocallis glandulosa var. glandulosa Milo S. Baker 1894-6-13 Modoc w side Egg Lake Comment
  CAS-BOT-BC214759  Drymocallis glandulosa var. reflexa Roxana Stinchfield Ferris; R. Duthie 1919-6-15 88 Modoc Near Parker Creek, Modoc Nat. Forest. 1676 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
  CAS-BOT-BC214756  Drymocallis lactea var. lactea Elmer Ivan Applegate 1932-8-1 8056 Modoc N slope of Warren Peak near summit, Warner Mts. 2743 Comment
  CHSC109208  Drymocallis lactea var. lactea L. P. Janeway; B. Castro 2012-7-24 10959 Modoc Warner Mountains. Along Forest Road/County Road 2 (the road from New Pine Creek to Fort Bidwell) 1.4 air km east of Lily Lake and 1.8 air km southwest of Dismal Swamp. 2250 Comment
  CHSC109515  Drymocallis lactea var. lactea L. P. Janeway; B. Castro 2012-7-25 10990 Modoc Warner Mountains. Slope along north side of Dismal Swamp. 2216 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
  RSA504835  Dugaldia hoopesii Bruce Bartholomew, B. Anderson 1988-7-23 4565 Modoc Dismal Swamp, Warner Mountains. 2180 Comment
  UC1100266  Echinochloa crus-galli Herbert L. Mason 1947-8-12 13510 Modoc junction of North and South forks of Pit River Alturas; junction of North and South forks of Pit River Comment
  UCD61052  Echinochloa esculenta Dr. Gaso 1932-10-1 s.n. Modoc Alturas. Comment
  CAS-BOT-BC95639  Elatine Robert Folger Thorne; C. W. Tilforth 1969-9-4 39055 Modoc 2 mi. W of Davis Creek. 1432 Comment
  CHSC116192  Elatine Lowell Ahart; John Dittes 2015-7-15 20351 Modoc On the east side of Elkins Lane, about 200 yards northeast of the Parking Area, northwest of the old barn, Ask Creek State Wildlife Area, about 3.9 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  JEPS123977  Elatine Lowell Ahart, John Dittes 2015-7-15 20353 Modoc Ash Creek State Wildlife Area, about 3.9 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. Comment
  CHSC117015  Elatine rubella Lowell Ahart; John Dittes 2016-6-6 20955 Modoc About 100 yards east of the Parking Area, about one mile south of the intersection of County Road 87 and Access Road to Pilot Butte Parking Area, 3.8 miles (air) east of Lookout, 7.5 miles (air) west of Adin, Ash Creek State Wildlife Area. 1271 Comment
  RSA210828  Elatine rubella R. F. Thorne, James Henrickson, C. W. Tilforth, K. Thorne 1969-9-4 39103 Modoc N Fork of Pit River 3.4 mi N of Alturas where crossed by Hwy 395. 1341 Comment
  UC1101550  Elatine triandra Herbert L. Mason 1947-8-8 13465 Modoc nw Alturas (sw margin of Big Sage Reservoir) Comment
  JEPS121186  Eleocharis acicularis Lowell Ahart, John Dittes 2013-7-25 18967 Modoc W of the road crossing, about 50 yards W of the N-S fence, S edge of Ash Creek floodplain, NW of Patterson Homestead, E of Elkins Lane, 1.0 air mile S of County Road 87, 3.14 air miles W of Adin, Big Valley. Comment
  UC1100626  Eleocharis acicularis Herbert L. Mason and Verne Grant 1947-7-12 13402 Modoc irrigation ditch by Jone's Lane (off Hwy 395, several mi s of Alturas) Comment
  UC1100607  Eleocharis coloradoensis Herbert L. Mason 1947-8-8 13463 Modoc NW of Alturas (SW margin of Big Sage Reservoir) Comment
  UC1100602  Eleocharis engelmannii var. detonsa Herbert L. Mason 1947-8-13 13525 Modoc N of Canby, NE side of F reservoir Comment
  UC70016  Eleocharis palustris Mrs. M. H. Manning 140 Modoc north-eastern Modoc County Comment
  CAS-BOT-BC242387  Eleocharis quinqueflora Louis Cutter Wheeler 1935-8-15 3862 Modoc Dismal Swamp. 2225 Comment
  CAS-BOT-BC245110  Elodea canadensis Bruce Bartholomew 1989-8-11 5054 Modoc Along W side of Goose Lake, 4.2 km N of McGinty Point on National Forest Road 48. 1430 Comment
  CHSC85154  Elodea canadensis John Dittes; Josephine Guardino 1991-7-21 407 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; in channel at northern edge of Ash Creek Floodplain (Big Swamp) at southeast base of Pilot Butte. 1258 Comment
  JEPS123835  Elodea canadensis Lowell Ahart, John Dittes 2015-7-17 20398 Modoc Ash Creek State Wildlife Area, about 3/4 mile south of County Road B7, about 2.7 miles (air) west of Adin, about 9.1 miles (air) northeast of Bieber. Adin USGS 7.5' Topographic Quadrangle. Comment
  UC1024965  Elymus X macounii Leo Whitney 1935-7-6 3444 Modoc near Lookout; Pit River Comment
  CAS-BOT-BC247757  Elymus elymoides subsp. elymoides Elmer Ivan Applegate 1932-8-1 8017 Modoc Summit of Warren Peak. Comment
  UC1037099  Elymus elymoides subsp. elymoides Leo Whitney 1935-7-2 3333 Modoc ca 17 mi nw Canby; Badger Wells Comment
  CHSC34510  Elymus elymoides subsp. hordeoides J. D. Prouty 1980-8-9 1149 Modoc Ca. 2 mi e of Cedarville, n side of Rd 299 as it intersects w margin of Middle Alkali Lake. Comment
  HSC10950  Elymus elymoides var. elymoides R. C. Wunner 1965-6-22 250 Modoc Lava Beds N. M., 1/2 mi. N of Canby Cross. 1220 Comment
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Aug 20 2013
  HSC10951  Elymus elymoides var. elymoides M. T. Milligan 1965-6-27 350 Modoc 1677 Comment
  CAS-BOT-BC247738  Elymus glaucus Louis Cutter Wheeler 1935-8-4 3779 Modoc Pine Creek. 2103 Comment
  CAS-BOT-BC247739  Elymus glaucus Bruce Bartholomew 1990-8-5 5682 Modoc Summit Trail, ca. 4 km N of Patterson Ranger Station, W side of Warner Mts. 2470 Comment
  UCD61276  Elymus macounii A. A. Beetle 1944-8-17 3036 Modoc 1 mile south of Alturas, edge of town by R. R. track. Comment
  CHSC115507  Elymus multisetus L. P. Janeway 2014-7-8 11456 Modoc Modoc Plateau. East corner of Dry Creek Rim; along Road 47N08 (corral Creek Road) 3.1 road-km north-northwest of Road 48 (along the west edge of Goose Lake). 1650 Comment
  JEPS74074  Elymus multisetus Frances D. Payne 1932-7-3 590 A Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  UCD62432  Elymus multisetus Robbins; Raynor 1943-6-1 Modoc Likely. Comment
  SD64332  Elymus ponticus D. F. Howe 1966-8-25 4299 Modoc Fandango Pass, Warners Mountains 1858 Comment
  CHSC112792  Elymus repens Lowell Ahart; John Dittes 2013-7-24 18934 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
  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
  SJSU9603  Elymus spicatus W. Savage 1979-7-5 1377 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  HSC9671  Elymus trachycaulus M. T. Milligan 1964-7-20 157 Modoc N end of Jess Valley, near Mill Creek. 1677 Comment
  UC1025027  Elymus trachycaulus Leo Whitney 1935-7-21 3528 Modoc Pit River Comment
  SJSU9661  Elymus trachycaulus subsp. trachycaulus W. Savage 1979-7-9 1499 Modoc Round Valley, Triangle, Devils Garden District, Modoc National Forest 1493 Comment
  CAS-BOT-BC191036  Epilobium angustifolium subsp. circumvagum Leland S. Smith 1922-7-20 1276 Modoc Rush Creek Ranger Station pasture. 1889 Comment
  CAS-BOT-BC191039  Epilobium angustifolium subsp. circumvagum Leland S. Smith 1919-7-1 980 Modoc Coyote Creek, Warner Mts. 1828 Comment
  CAS-BOT-BC191015  Epilobium brachycarpum Bruce Bartholomew; Barrett Anderson 1989-6-2 4807 Modoc 9.3 km E of Fort Bidwell on road to Fee Reservoir, NE corner of Surprise Valley. 1580 Comment
  CAS-BOT-BC191031  Epilobium brachycarpum John Thomas Howell 1934-7-1 12331 Modoc Duncan Horse Camp. 1355 Comment
  RSA210883  Epilobium brachycarpum Robert F. Thorne, J. Henrickson, C. W. Tilforth 1969-9-4 39069 Modoc Near old margin of Goose Lake, SW shore of Goose Lake N of McGinty Point 1433 Comment
  SBBG103627  Epilobium brachycarpum B. Bartholomew, B. Anderson 1990-7-21 5589 Modoc Bear Flat, W side of Warner Mtns, Ranger Station, E side of Warner Mtns 1830 Comment
  SD135587  Epilobium brachycarpum B. Bartholomew 1989-7-14 4946 Modoc ca. 8km NE of Egg Lake and 2.5 km East of Survice Gulch. 1340 Comment
  SEINET6635824 Image available Epilobium brachycarpum Verne Grant, Irving Schneider 1947-8-27 8308 Modoc ca. 10 mi S of Tulelake, Modoc National Forest Comment
  UC1191733  Epilobium brachycarpum Herbert L. Mason and Verne Grant 1947-7-10 13337 Modoc 2 mi e Alturas; Dorris Reservoir Comment
  UC422802  Epilobium brachycarpum Milo S. Baker 1893-1 Modoc Egg Lake Comment
  JEPS127287  Epilobium ciliatum subsp. ciliatum Lowell Ahart, John Dittes 2016-7-14 21178 Modoc South of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin Big Valley. Comment
  UC1191713  Epilobium ciliatum subsp. ciliatum Verne Grant and Irving Schneider 1947-8-28 8339 Modoc nw Alturas; Jack Swamp Comment
  CAS-BOT-BC190976  Epilobium densiflorum Bruce Bartholomew 1989-7-14 4971 Modoc ca. 1 km E of Happy Camp Ranger Station. Comment
  CAS-BOT-BC190978  Epilobium densiflorum Bruce Bartholomew 1991-8-4 6008 Modoc Kelly Draw, Round Valley, 2 km E of Hwy 299 on County Road 86. 1310 Comment
  JEPS114430  Epilobium densiflorum Lowell Ahart, John Dittes 2008-8-26 15341 Modoc On the bottom of Rose Creek, 550 feet southwest of confluence of Rose Creek and Pit River, on the northwest side of unnamed road,, 2860 feet east of intersection with County Road 85a, 9.3 miles (air) north-northeast of Lookout 1276 Comment
  CAS-BOT-BC190979  Epilobium densiflorum Leland S. Smith 1919-8-5 1139 Modoc Ash Valley and vicinity. 1371 Comment
  CAS-BOT-BC190971  Epilobium glaberrimum subsp. fastigiatum Bruce Bartholomew 1992-8-9 6396 Modoc Upper region of Owl Creek drainage, on cliffs, E of Summit Trail, E side of Warner Mountains. 2620 Comment
  POM262688  Epilobium glaberrimum subsp. fastigiatum Bud Fuller 1936-7-10 57 Modoc 15 miles northeast of Alturas 1524 Comment
  CAS-BOT-BC190967  Epilobium hallianum Annie Montague Alexander; L. Kellogg 1946-6-30 4873 Modoc Highgrade, W side of ridge. 2377 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
  CAS-BOT-BC190957  Epilobium hornemannii subsp. hornemannii Bruce Bartholomew 1994-7-2 6820 Modoc Mill Creek NE of Bald Mtn., E side of Warner Mountains. 2040 Comment
  CHSC113071  Epilobium minutum Lowell Ahart; John Dittes 2013-7-24 18926 Modoc Near a man made pond, about 50 yards south of the levee road, north side of Ash Creek Floodplain, 0.54 mile (air) southeast of Pilot Butte Parking Area, 1.1 miles (air) south of County Road 87, 6.8 miles (air) west of Adin, Big Valley. 1263 Comment
  UCR34769  Epilobium obcordatum J. A. Harpel 1981-8-6 V- 15 Modoc Warner Mtns, South Warner Wilderness Area: E end of Patterson Lake, 7 mi NW of Eagleville 2744 Comment
  RSA41241  Epilobium obcordatum A. M. Alexander, Louise Kellogg 1946-7-23 5050 Modoc Emerson Peak, Warner Mountains Comment
  CAS-BOT-BC190938  Epilobium pallidum Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-13 16465 Modoc 4 mi. W of summit of Fandango Pass. Comment
  HSC29979  Epilobium pallidum D. H. Norris, S. Dowty, Thomas W. Nelson 1971-6-23 19503 Modoc Big Valley Summit, 6 mi. W of Adin on Hwy. 299 Comment
  UC19942  Epilobium pallidum Milo S. Baker 1893-6 Modoc adobe flats Egg Lake Comment
  UC19962  Epilobium pallidum Mrs. R. M. Austin July 1894 Modoc adobe flats e Davis Creek Comment
  CAS-BOT-BC190865  Epilobium pygmaeum D. M. Moore 1960-6-4 120 Modoc 7.4 mi. W of Adin on road to Lookout. Comment
  CAS-BOT-BC190872  Epilobium pygmaeum Robert Folger Thorne; et al 1969-9-4 39122 Modoc Margin of N Fork of Pit River, 3.4 mi. N of Alturas from crossing by Hwy 395. 1341 Comment
  CAS-BOT-BC30223  Equisetum arvense Bruce Bartholomew 1989-7-14 4927 Modoc Along Rush Creek between Lower and Upper Rush Creek Campgrounds. 1580 Comment
  UC62577  Equisetum arvense Baker and Nutting 1894-8-20 Modoc Forestdale Comment
  CAS-BOT-BC30176  Equisetum hyemale subsp. affine Edward Kent Balls 1950-5-21 14818 Modoc Around south Fork Public Camp, South Fork Pitt River, Likely to Jess Valley 1432 Comment
  HSC867  Equisetum hyemale subsp. affine M. T. Milligan 1966-4-8 454 Modoc E of Jess Valley 1585 Comment
  CAS-BOT-BC30185  Equisetum laevigatum John H. Hatton 1911-6-14 89 Modoc Pitt River Ranger Station. 1295 Comment
  HSC101860  Eragrostis minor J. P. Smith 2011-8-7 13358 Modoc Along Jesse Valley Road, E of Likely, just E of the bridge over the Pit River. 1372 Comment
  CHSC106207  Eragrostis pectinacea var. pectinacea Lowell Ahart; John Dittes 2010-8-31 17092 Modoc On the west side of Walters Road, 4235 feet south of Modoc County Line, about 4.3 miles (air) south-southwest of Adin, about 7.0 miles (air) northeast of Bieber, Big Valley. 1276 Comment
  CAS-BOT-BC95472  Eremogone aculeata Bruce Bartholomew 1990-6-15 5245 Modoc Top of Manzanita Mountain in vicinity of Manzanita Lookout. 2130 Comment
  CAS-BOT-BC95479  Eremogone aculeata Alice Eastwood; John Thomas Howell 1940-6-12 8106 Modoc W side of Cedar Pass. Comment
  HSC80715  Eremogone aculeata G. M. Riegel 1980-7-24 583 Modoc S Warner Mtns. 1829 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-BC95449  Eremogone congesta Annie Montague Alexander; L. Kellogg 1946-6-10 4708 Modoc Lava bench between Lower and Snake lakes. Comment
  CAS-BOT-BC95455  Eremogone congesta C. L. Hitchcock 1940-5-28 6728 Modoc 15 mi. N of Alturas. 1402 Comment
  CAS-BOT-BC95456  Eremogone congesta Alice Eastwood; John Thomas Howell 1940-6-13 8110 Modoc Surprise. Comment
  CAS-BOT-BC95468  Eremogone congesta Mrs. H. C. Cantelow 1940-6-2 s.n. Modoc 9.3 mi NW of Canby, lava country. Comment
  RSA0057715  Eremogone congesta F. W. Peirson 1926-6-26 6908 Modoc Modoc National Forest NW of Canby. Comment
  UC295950  Ericameria bloomeri H. M. Hall 1925-8-30 12209 Modoc 30 mi from Lakeview (mt slopes e side of Goose Lake); Goose Lake Comment
  UC485526  Ericameria bloomeri Franklin P. Nutting Modoc Forestdale Comment
  UCR34485  Ericameria bloomeri J. A. Harpel 1981-8-7 V- 54 Modoc Warner Mtns, South Warner Wilderness Area: Pine Creek Basin Trail, 7 mi NW of Eagleville 2652 Comment
  HSC81130  Ericameria discoidea G. M. Riegel 1980-7-29 955 Modoc S Warner Mtns. 1829 Comment
  UC749386  Ericameria discoidea Annie M. Alexander and Louise Kellogg 1946-8-1 5104 Modoc Eagle Peak Modoc National Forest, Warner Mountains, Eagle Peak 2763 Comment
  UC711835  Ericameria greenei Roxana S. Ferris and Laura Lorraine 1941-8-14 10618 Modoc summit Fandango Pass (on road between Fort Bidwell and Pine Creek); Modoc National Forest, Warner Mountains 1889 Comment
  CAS-BOT-BC14817  Ericameria greenei Harvey Monroe Hall 1925-8-30 12209 Modoc Mt. slopes, E side Goose Lake. Comment
  CAS-BOT-BC298194  Ericameria nauseosa var. oreophila Elmer I. Applegate 1932-8-6 8199 Modoc E side of Middle Lake, Surprise Valley Comment
  HSC81022  Ericameria parryi var. nevadensis G. M. Riegel 1979-7-14 542 Modoc South Warner Mtns. 1739 Comment
  RSA152605  Erigeron aphanactis I. L. Wiggins, Dorothy Wiggins 1961-6-12 16371 Modoc At junction of Cedar Pass road with California Highway 299, 5.5 miles N of Alturas. Comment
  CAS-BOT-BC42842  Erigeron austiniae Bruce Bartholomew; Barrett Anderson 1989-6-3 4874 Modoc Boles Creek, ca. 5.5 km E of the SE corner of Clear Lake Reservoir. 1430 Comment
  CAS-BOT-BC42805  Erigeron bloomeri var. bloomeri Alice Eastwood; John Thomas Howell 1940-6-12 8104 Modoc W side of Cedar Pass. Comment
  CAS-BOT-BC42806  Erigeron bloomeri var. bloomeri Barrett Anderson 1986-7-9 3134 Modoc Roney Flat Rd just off Hwy 299. 1435 Comment
  CAS-BOT-BC42849  Erigeron bloomeri var. bloomeri Bruce Bartholomew; Barrett Anderson 1988-6-25 4393 Modoc 5.6 km NW of State Highway 299 on County Road 73. 1500 Comment
  UC1228140  Erigeron chrysopsidis var. austiniae Beecher Crampton 1960-6-17 5686 A_ Modoc 5 mi s of Perez 1371 Comment
  UC31421  Erigeron chrysopsidis var. austiniae Mrs. R. M. Austin 1894-5-1 Modoc Comment
  CAS-BOT-BC42815  Erigeron compositus Leland S. Smith 1917-7-2 64 Modoc Slopes of Mt. Warren, Warner Mountains, Modoc National Forest 2682 Comment
  CAS-BOT-BC42816  Erigeron compositus Annie M. Alexander; Louise Kellogg 1946-8-1 5103 Modoc Eagle Peak, Warner Mountains 3011 Comment
  UC195007  Erigeron coulteri W. P. Taylor and H. C. Bryant 1910-7-13 Modoc head, in mountain meadow N. Fork Parker Cr.; Warner Mountains, N. Fork Parker Cr. 2225 Comment
  CAS-BOT-BC42779  Erigeron divergens Franklin P. Nutting s.n. Modoc Little Hot Spring Valley. Comment
  CAS-BOT-BC42824  Erigeron divergens F. Angwin 1945-10-27 Modoc Big Valley. 1280 Comment
  CHSC117148  Erigeron divergens Lowell Ahart; John Dittes 2016-7-14 21154 Modoc West side of 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
  CDA19673  Erigeron divergens G. D. Barbe 1991-8-28 4446 Modoc Modoc Plateau; Modoc National Forest. Kelley Spring site, n of Adin. 3.4 mi from Hwy 299 at Rush Creek, on Primary Forest Service Rd 22 and Rd 40N33. 1645 Comment
  SEINET230766  Erigeron eatonii Margaret J. Williams 1984-6-28 84- 67 -2 Modoc 2 miles North of intersection between Soldier Creek and Old Cannon Mill roads. Warner Mountains North of Cedar Pass. Comment
  CAS-BOT-BC42755  Erigeron eatonii var. plantagineus Alice Eastwood; John Thomas Howell 1940-6-15 8286 Modoc About 15 mi. N of Lookout. Comment
  CAS-BOT-BC42756  Erigeron eatonii var. plantagineus Margaret J. Williams 1984-6-28 84- 67 -2 Modoc 2 mi. N of intersection between Soldier Creek and Old Cannon Mill road, Warner Mtns., N of Cedar Pass 2057 Comment
  UC748369  Erigeron eatonii var. plantagineus Annie M. Alexander and Louise Kellogg 1946-7-18 5013 Modoc Benton Meadow Warner Mountains 2072 Comment
  HSC5055  Erigeron eatonii var. plantagineus M. T. Milligan 1964-6-17 45 Modoc 1 mi. N of Hwy. 139 on USFS Rd. 44N15 1524 Comment
  HSC28859  Erigeron eatonii var. sonnei D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19490 Modoc At Big Valley summit about 6 mi. W of Adin on Hwy. 299 Comment
  CAS-BOT-BC42768  Erigeron elegantulus Bruce Bartholomew 1991-6-20 5779 Modoc 9.8 km E of junction of county roads 87 and 90. 1250 Comment
  RSA245024  Erigeron elegantulus D. H. Norris, Nelson, Dowty 1971-6-23 s.n. Modoc along the South fork of the Pit River, about 6 miles east of Likely Comment
  CAS-BOT-BC49627  Erigeron filifolius Roxana Stinchfield Ferris; L. Lorraine 1941-8-14 10611 Modoc Summit of Fandango Pass, on road between Fort Bidwell and Pine Creek, Warner Mountains, Modoc N.F. 1889 Comment
  POM204115  Erigeron filifolius J. T. Howell 1934-6-13 12099 Modoc Patterson Mill Road, Warner Mtns. 1677 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
  CAS-BOT-BC42772  Erigeron filifolius Annie Montague Alexander; L. Kellogg 1946-6-18 4790 Modoc Patterson Mill Road. Comment
  CHSC39008  Erigeron filifolius var. filifolius J. D. Jokerst 1983-6-18 1861 Modoc Forest Service Rd 73 0.4 miles south of Crowder Flat Station. East side of road. Comment
  CAS-BOT-BC49632  Erigeron inornatus var. inornatus Francis Dorris Payne 1931-6-11 148 Modoc Parker Creek. 1584 Comment
  CAS-BOT-BC49639  Erigeron inornatus var. inornatus R. R. Halse 1991-7-28 4245 Modoc Along State Hwy. 139, 13 mi. NW of its junction with State Hwy. 299. 1469 Comment
  CAS-BOT-BC49641  Erigeron linearis Alice Eastwood; John Thomas Howell 1940-6-12 8083 Modoc Jess Valley. Comment
  UC1561045  Erigeron linearis Dean Wm. Taylor with Glenn L. Clifton 1989-8-5 10452 Modoc cirque headwall above South Emerson Lake (Emerson Creek drainage); Warner Mountains, Emerson Creek 2560 Comment
  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
  CAS-BOT-BC49579  Erigeron philadelphicus Roxana Stinchfield Ferris; R. Duthie 1919-6-15 173 Modoc Marsh, Parker Creek, Warner Mtns. Comment
  CAS-BOT-BC49582  Erigeron philadelphicus Bruce Bartholomew; Barrett Anderson 1988-6-24 4355 Modoc 9.8 km SW of County road 1 on County Road 42, E side of the Warner Mts.. 1960 Comment
  HSC28534  Erigeron philadelphicus D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19379 Modoc Along the S Fork of the Pit River, ~6 mi. E of Likely. Comment
  SD61002  Erigeron philadelphicus Darley F. Howe 1964-8-1 Modoc Harvey Creek, Modoc National Forest. Warner Mountains. 1830 Comment
  UC748097  Erigeron philadelphicus var. philadelphicus Annie M. Alexander and Louise Kellogg 1946-7-7 4918 Modoc below Lake City Comment
  UC468828  Erigeron philadelphicus var. philadelphicus M. F. Gilman 551 Modoc 1432 Comment
  CHSC66994  Erigeron pumilus var. intermedius James D. Jokerst 1987-5-12 2855 A Modoc Radar Survey Site S of Doublehead Mtn., N end of central sector, NE of road. Comment
  CAS-BOT-BC49589  Erigeron tener Annie Montague Alexander; L. Kellogg 1946-7-23 5045 Modoc Emerson Peak. Comment
  JEPS89672  Erigeron tener Dean Wm. Taylor with Glenn L. Clifton 1989-8-5 10444 Modoc cirque headwall above South Emerson Lake (Emerson Creek drainage); Warner Mountains 2560 Comment
  UC1540233  Eriogonum douglasii var. meridionale Dean Wm. Taylor, Glenn L. Clifton 1987-6-27 9113 Modoc headwaters of South Deep Creek Warner Mountains, South Deep Creek 2194 Comment
  CAS-BOT-BC197822  Eriogonum elatum Bruce Bartholomew; Barrett Anderson 1990-7-20 5472 Modoc 10.3 km N of Buck Creek Ranger Station, crest of Warner Mountains W side of Warner Mts. 2130 Comment
  UC85863  Eriogonum elatum Mrs. R. M. Austin Modoc Comment
  JEPS57006  Eriogonum elatum var. elatum W. L. Jepson 1918-8-7 7895 Modoc Mt. Bidwell 2286 Comment
  CHSC109509  Eriogonum heracleoides var. heracleoides L. P. Janeway; B. Castro 2012-7-25 10989 Modoc Warner Mountains. Slope along north side of Dismal Swamp. 2216 Comment
  CHSC63412  Eriogonum heracleoides var. heracleoides V. H. Oswald; Beth Corbin, Mike Dolan, Allison Sanger 1994-7-9 6374 Modoc Dismal Swamp ca. 6 mi (air) E of Hwy. 395, just S of the Oregon border. On a dry outcrop above a large meadow along Dismal Creek. 2218 Comment
  JEPS80925  Eriogonum heracleoides var. heracleoides J. P. Smith and J. O. Sawyer 1973-8-8 7243 Modoc s slopes of Eagle Peak Eagle Peak 2560 Comment
  RSA165621  Eriogonum heracleoides var. heracleoides Clare B. Hardham 1961-6-21 7917 Modoc East of Lakeview Comment
  RSA509466  Eriogonum heracleoides var. heracleoides G. R. Ballmer 1988-7-21 s.n. Modoc Warner Mountains, Bidwell Mounatain, approx. 3 miles S of Oregon border in extreme NE corner of state Comment
  NY572521  Eriogonum microthecum var. ambiguum B. M. Bartholomew 1991-8-5 6054 Modoc Summit Trail between Squaw Peak and Cottenwood Lake, crest of the Warner Mountains. 2530 Comment
  UC217575  Eriogonum microthecum var. laxiflorum H. M. Hall 1921-9-9 11665 Modoc 6 mi from Malin 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
  JEPS56642  Eriogonum nudum var. oblongifolium Frances D. Payne 1931-7-5 323 Modoc about 3 mi n Parker Creek (Fern Spring; s and e of Alturas); Warner Mountains, Fern Spring 1828 Comment
  CAS-BOT-BC211405  Eriogonum nudum var. pubiflorum Louis Cutter Wheeler 1935-8-14 3840 Modoc Pine Creek, Warner Mts. 2011 Comment
  CAS-BOT-BC211412  Eriogonum nudum var. pubiflorum E. S. Willits 1939-10-10 164 Modoc Surprise Valley. Comment
  CAS-BOT-BC211437  Eriogonum nudum var. pubiflorum Alice Eastwood; John Thomas Howell 1940-6-13 8114 Modoc Surprise. Comment
  CHSC114006  Eriogonum nudum var. pubiflorum L. P. Janeway 2014-7-8 11463 Modoc Modoc Plateau. East corner of Dry Creek Rim; along Road 47N08 (Corral Creek Road) 3.1 road-km north-northwest of Road 48 (along the west edge of Goose Lake). 1650 Comment
  HSC81001  Eriogonum nudum var. pubiflorum G. M. Riegel 1980-9-3 1135 Modoc S Warner Mtns. 1739 Comment
  RSA165443  Eriogonum nudum var. pubiflorum Clare B. Hardham 1961-6-19 7842 -B Modoc Willow Creek. Warner Mountains. Comment
  SEINET11261581  Eriogonum nudum var. pubiflorum Stanley L. Welsh, N. Duane Atwood 2001-6-14 28160 Modoc Along Hwy 395. Ca 6 mi s of Alturas.; 0 Comment
  UCD77673  Eriogonum nudum var. pubiflorum Robert E. Preston 2000-7-17 1395 Modoc Ca. 11 mi nw of Canby, along Hwy 139, T42N R8E Section 3 1490 Comment
  CAS-BOT-BC211434  Eriogonum nudum var. pubiflorum B. Bartholomew; Barrett Anderson 1988-7-21 4407 Modoc 2.1 km SSE of Day of the road to state Highway 299 1020 Comment
  JEPS56641  Eriogonum nudum var. pubiflorum Frances D. Payne 1929-7-26 127 Modoc 2 mi s Mt. Warren (Pine Creek Basin); Warner Mts., Pine Creek Basin 2133 Comment
  NY762336  Eriogonum nudum var. pubiflorum A. A. Heller 1941-6-26 16222 Modoc 4 miles west of Canby on a steep clay bank along U.S. Highway #299 Comment
  SJSU12037  Eriogonum nudum var. pubiflorum E. S. O'Neill 1984-9-11 Modoc near Odin 1371 Comment
  UC849762  Eriogonum nudum var. pubiflorum Lewis S. Rose 1940-6-13 40557 Modoc 1 mi w Cedarville 1524 Comment
  CAS-BOT-BC218195  Eriogonum prociduum Bruce Bartholomew 1992-8-9 6397 Modoc Summit Trail, upper region of Pine Creek Basin, W side of Warner Mountains. 2680 Comment
  JEPS109844  Eriogonum prociduum Dean W. Taylor 2004-5-13 19067 Modoc 11 air miles SSW of Alturas; jeep road ascending to plateau from County Road 62, ca. 1.5 mi S73degE of mapped location of Wade Williams Spring on quadrangle 1524 Comment
  CAS-BOT-BC211384  Eriogonum sphaerocephalum var. halimioides Bruce Bartholomew; Barrett Anderson 1988-6-23 4252 Modoc 4.2 km NW of Day. 1020 Comment
  CAS-BOT-BC211387  Eriogonum sphaerocephalum var. halimioides Roxana Stinchfield Ferris; R. Duthie 1919-6-14 134 Modoc Above Parker Creek. Modoc National Forest Comment
  CAS-BOT-BC211392  Eriogonum sphaerocephalum var. halimioides Barrett Anderson 1986-7-9 3159 Modoc Warner Mts, Hwy 299 just W of Cedar Pass. 1920 Comment
  CHSC114015  Eriogonum sphaerocephalum var. halimioides L. P. Janeway 2014-7-7 11439 Modoc Warner Mountains. East side of crest of Warner Mountains 2.3 air-km east of Cedar Pass; along Road 43N07 1.4 road-km east of Stough Reservoir. 2000 Comment
  CHSC67274  Eriogonum sphaerocephalum var. halimioides James D. Jokerst 1990-8-2 3211 B Modoc Hwy. 139 NW of Canby, ca. 300 m N of the road at the SE edge of a large dry lake, within the dry-down zone adjacent to a concrete overflow structure. Comment
  JEPS56404  Eriogonum sphaerocephalum var. halimioides Frances D. Payne 1931-6-18 196 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  NY283124  Eriogonum sphaerocephalum var. halimioides F. M. Ownbey 1940-7-1 2151 Modoc On Talus Slopes, Cedar Peak, Warner Mountains. Comment
  NY283378  Eriogonum sphaerocephalum var. halimioides J. T. Howell 1934-7-1 12300 Modoc Duncan Horse Camp Comment
  RSA64614  Eriogonum sphaerocephalum var. halimioides F. W. Peirson 1926-7-25 6859 Modoc Cedarville Rd. west slope of Warner Mts. Comment
  UC705543  Eriogonum sphaerocephalum var. halimioides Marion Ownbey, Fred G. Meyer 1940-7-1 2151 Modoc Cedar Peak Warner Mts., Cedar Peak Comment
  UC190614  Eriogonum sphaerocephalum var. halimioides M. F. Gilman 572 Modoc 1981 Comment
  CHSC67377  Eriogonum strictum var. anserinum James D. Jokerst 1986-8-10 2750 Modoc Radar Survey Site S of Doublehead Mtn., ca. 400 m NE of a NW-SE-oriented fence and road. 1341 Comment
  NY283219  Eriogonum strictum var. anserinum M. J. Williams 1988-5-30 8826- 9 Modoc Jess Valley, east of Likely, south of roadside rest. 1524.0 Comment
  UC1735887  Eriogonum strictum var. anserinum Dean W. Taylor 1988-6-4 9763 Modoc Tule Lake Basin; Dobie Flat, 2.6 miles S10 E of Casuse Mountain, 1280 Comment
  UC849658  Eriogonum strictum var. anserinum C. L. Hitchcock 1940-5-27 6656 Modoc 9 mi ne Alturas 1402 Comment
  UC726253  Eriogonum strictum var. anserinum A. A. Heller 1938-6-24 15223 Modoc 8 mi w Alturas (on U. S. Highway #299) Comment
  SEINET5331677  Eriogonum strictum var. proliferum M. J. Williams 1988-5-30 88- 26 -9 Modoc Jess Valley, E of Likely, S of roadside rest. 1524 Comment
  CAS-BOT-BC211373  Eriogonum umbellatum K. Paulson; Robert Paulson 1988-5-22 7 Modoc Devil's Garden. 1432 Comment
  CAS-BOT-BC267857  Eriogonum umbellatum var. aureum G. D. Hanna; M. M. Hanna 1956-6-5 s.n. Modoc Cedar Pass Comment
  CAS-BOT-BC211333  Eriogonum umbellatum var. glaberrimum Louis Cutter Wheeler 1935-8-3 3773 Modoc Pine Creek, Warner Mts. 1950 Comment
  POM228873  Eriogonum umbellatum var. glaberrimum Louis C. Wheeler 1935-8-3 3773 Modoc Pine Creek 1951 Comment
  CHSC109500  Eriogonum umbellatum var. modocense L. P. Janeway; B. Castro 2012-7-26 11011 Modoc Warner Mountains. Top of Yellow Mountain; topmost part and wster edge (at the edge of a steep dropoff to the northwest). 2463 Comment
  UC1395160  Eriogonum umbellatum var. modocense James L. Reveal 1971-6-22 2461 Modoc along U.S. Highway 395 at Davis Creek Davis Creek 1453 Comment
  CAS-BOT-BC197787  Eriogonum umbellatum var. nevadense Annie Montague Alexander; L. Kellogg 1946-7-11 4972 Modoc Mesa W of Eight Mile Creek, NE corner of county. 1752 Comment
  NY399272  Eriogonum umbellatum var. nevadense J. L. Reveal 1978-8-11 4822 Modoc Warner Mountains, Dismal Swamp, about 2 miles north of Modoc County Road 2, at the northwest end of Dismal Swamp south of Dismal Creek 2225.0 Comment
  HSC81003  Eriogonum umbellatum var. polyanthum G. M. Riegel 1980-6-25 774 Modoc S Warner Mtns. 1739 Comment
  SD86296  Eriogonum umbellatum var. polyanthum James L. Reveal 1971-6-22 2461 Modoc Along U.S. Highway 395 at Davis Creek 1449 Comment
  RSA534708  Eriogonum vimineum Bruce Bartholomew 1991-6-22 5856 Modoc NE side of Surprise Valley on roas to Fee Reservoir, 6.4 km. E of Fort Bidwell. Rocky sry slopes 1490 Comment
  UC1250294  Eriogonum vimineum Annie M. Alexander and Louise Kellogg 1946-7-17 4996 Modoc on northside, Cedar Pass Warner Mountains, Cedar Pass Comment
  CAS-BOT-BC49555  Eriophyllum lanatum Elmer Ivan Applegate 1929-6-24 5892 Modoc Between Alturas and Davis Creek. Comment
  CAS-BOT-BC49556  Eriophyllum lanatum John Thomas Howell 1934-6-11 11931 Modoc Parker Creek, Warner Mountains 1584 Comment
  CAS-BOT-BC49564  Eriophyllum lanatum Bruce Bartholomew; Barrett Anderson 1988-7-21 4422 Modoc S end of Whitehorse Flat Reservoir. 1340 Comment
  CAS-BOT-BC49568  Eriophyllum lanatum Bruce Bartholomew 1989-7-15 5001 Modoc Sweagert Flat. 1860 Comment
  CHSC30642  Eriophyllum lanatum N. E. H. Prouty 1980-6-7 181 Modoc Modoc Nat. Forest, Warner Mt. District. Along north side of Deep Creek Road, SW of Cedarville. Comment
  HSC81111  Eriophyllum lanatum var. achilleoides G. M. Riegel 1980-7-28 954 Modoc South Warner Mtns. 1739 Comment
  POM358024  Eriophyllum lanatum var. achilleoides Christopher Davidson 1975-6-4 2611 Modoc 1/4 mi. W of Cedarville on Hwy 299. 1463 Comment
  RSA554808  Eriophyllum lanatum var. achilleoides Margaret J. Williams, Arnold Tiehm, Jan Nachlinger 1988-6-2 88- 28 -10 Modoc Jess Valley, E of Likely, S of roadside rest. Comment
  UC566744  Eriophyllum lanatum var. achilleoides F. H. Frost 1925-7-13 77 Modoc summit Cedar Canyon; Warner Mts., Cedar Canyon Comment
  UC75807  Eriophyllum lanatum var. integrifolium Milo S. Baker 1893-1 Modoc Forestdale Comment
  CHSC107349  Erodium cicutarium Lowell Ahart; John Dittes 2011-6-22 17538 Modoc At 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. 1262 Comment
  JEPS127182  Erodium cicutarium Lowell Ahart, John Dittes 2016-7-14 21173 Modoc South of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. Comment
  NY1101520  Erodium cicutarium M. J. Williams 1988-6-2 88- 27 --2 Modoc Hwy 395, 0.4 mile east of Susanville road after turn to Alturas Comment
  HSC28832  Eryngium alismifolium D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19499 Modoc Big Valley Summit, 6 mi. W of Adin on Hwy. 299 Comment
  UC1191957  Eryngium alismifolium Herbert L. Mason 1947-8-12 13511 Modoc Alturas, junction of N. and S. Forks of Pit River Comment
  UC55252 Image available Eryngium alismifolium Milo S. Baker 1894-8-25 Modoc Egg Lake; ; Egg Lake, Modoc Co. Comment
  UCD77711  Eryngium alismifolium Robert E. Preston 2000-7-18 1415 Modoc Hog Lake. 1499 Comment
  CDA13451  Eryngium articulatum G. F. Hrusa, T. D. Wilfred 1996-7-21 13298 Modoc Modoc Plateau; Adjacent to Modoc Co. Rd. 90 bridge over Pit River. E base of Splawn Mtn. N end of Big Valley. Comment
  JEPS94841  Eryngium articulatum Vernon H. Oswald and Lowell Ahart 1998-9-8 9589 Modoc County Road 93 adjacent to the Rail Road at Lookout Junction nw of Lookout; County Road 93 1280 Comment
  RSA210855  Eryngium articulatum R. F. Thorne, C. W. Tilforth 1969-9-4 39059 Modoc 2 mi W of Davis Creek (town), S of Goose Lake. 1433 Comment
  CAS-BOT-BC498688  Eryngium articulatum M. S. Baker; Frank Nutting 1930-8-1 s.n. Modoc Near Forestdale Comment
  RSA125350  Eryngium mathiasiae P. H. Raven 1958-6-18 13322 Modoc Small lake at eastern outskirts of lookout Post Office Comment
  UC1167717  Eryngium mathiasiae Peter H. Raven 1958-6-18 13322 Modoc about small lake at eastern outskirts of Lookout post office Comment
  CHSC114309  Erysimum repandum Carri Pirosko 2008-6-10 Modoc Alturas, Schluter Ranch, Pencil Rd. X HWY 395. 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
  CAS-BOT-BC229901  Erythranthe breviflora Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-10 6470 Modoc 1.6 km NE of Fee Reservoir Road on Barrel Spring Road, N end of Surprise Valley. 1600 Comment
  SEINET13754570 Image available Erythranthe breviflora Arthur Cronquist, Arthur H. Holmgren 1959-1 8521 Modoc At Cedarville Pass; Warner Mtns., between Cedarville and Alturas 1951 Comment
  CAS-BOT-BC229906  Erythranthe breweri Bruce Bartholomew 1990-6-15 5250 Modoc Manzanita Mountain in ca. 0.2 km S of turn off to Manzanita Lookout. 2040 Comment
  CAS-BOT-BC229917  Erythranthe guttata Elmer Ivan Applegate 1932-8-6 8203 Modoc Desert spring on E side of Middle Lake, Surprise Valley. Comment
  CAS-BOT-BC234508  Erythranthe guttata Leland S. Smith 1917-8-7 133 Modoc Davis Creek. 2133 Comment
  CAS-BOT-BC229923  Erythranthe guttata John H. Hatton 1911-5-13 75 Modoc Modoc County. 1463 Comment
  CAS-BOT-BC234523  Erythranthe lewisii K. Paulson; Robert Paulson 1989-7-14 181 Modoc Vicinity of Little Lily Lake, ca. 2.5 mi. S of the Oregon border, N end of Warner Mts. 1981 Comment
  CAS-BOT-BC234514  Erythranthe microphylla Bruce Bartholomew 1991-7-6 5985 Modoc Sand Flat on Loveness Logging Road. 1370 Comment
  CAS-BOT-BC234517  Erythranthe microphylla Bruce Bartholomew 1990-6-15 5240 Modoc SE corner of Sweagert Flat. 1860 Comment
  CHSC14174  Erythranthe microphylla K. R. Stern; D. B. Joley, J. G. Geschke 1974-6-22 5828 Modoc W side of Egg Lake. 1295 Comment
  CAS-BOT-BC234481  Erythranthe moniliformis Barrett Anderson 1986-7-9 3178 Modoc Stough Reservoir Rd just E of Cedar Pass near Stough Reservoir. 1965 Comment
  CAS-BOT-BC234463  Erythranthe primuloides K. Paulson; Robert Paulson 1988-6-29 63 Modoc Benton Meadow, Warner Mts.. 1676 Comment
  RSA550584  Erythranthe pulsiferae Bruce Bartholomew 1991-7-4 5902 Modoc Roney Flat. 1460 Comment
  CHSC118304  Erythranthe suksdorfii L. P. Janeway 2016-5-18 12068 Modoc Modoc Plateau. Devils Garden area; Island Meadow, along Road 47M08 2.1 road-km noeth of Road 73/181/47N09. 1606 Comment
  POM149282  Eschscholzia californica var. crocea Milo S. Baker 1893-6-18 s.n. Modoc [No location data on label] Comment
  CAS-BOT-BC218205  Euphorbia crenulata Leland S. Smith 1924-6-21 1426 Modoc Along Lava Trail, W Lava Ranger Station. Comment
  CAS-BOT-BC95710  Euphorbia serpillifolia John Thomas Howell 1934-7-2 12352 Modoc Morvitz Creek, 1 mi. S of Clear Lake. Comment
  UCD142791  Euphorbia serpillifolia Louis C. Wheeler 1973-8-24 s.n. Modoc Warner Mountains: Sworinger Reservoir. 1798 Comment
  UCD142792  Euphorbia serpillifolia Louis C. Wheeler 1973-8-24 s.n. Modoc Warner Mountains: Sworinger Reservoir. 1798 Comment
  CAS-BOT-BC15161  Eurybia integrifolia Bruce Bartholomew; Barrett Anderson 1990-7-20 5508 Modoc Tamarack Flat, E side of Warner Mts. 2150 Comment
  CHSC100429  Euthamia occidentalis Lowell Ahart; John Dittes 2008-8-25 15283 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
  UC1192254  Euthamia occidentalis Verne Grant, Irving Schneider 1947-7-19 8072 Modoc along Southern Pacific right-of-way near East Canal (Williams Ranch, in Pit Valley s of Alturas); Pit Valley s of Alturas Comment
  HSC80817  Festuca californica G. M. Riegel 1980-7-16 909 Modoc S Warner Mtn. 1670 Comment
  CAS-BOT-BC247715  Festuca idahoensis Leland S. Smith 1924-6-6 s.n. Modoc S of Egg Lake. Comment
  LA13109  Festuca idahoensis John Thomas Howell; 1934-7-1 12335 Modoc Duncan Horse Camp Comment
  SD96115  Festuca idahoensis Jack L. Reveal 1976-6-2 1838 Modoc Modoc National Forest, 48 miles south of Klamath Falls near Perez 1280 Comment
  UCR133555  Festuca idahoensis A. A. Beetle 1941-6-29 2833 Modoc Near summit of Mt. Adin 1829 Comment
  SEINET195710  Frasera albicaulis Unknown 1946-7-7 4941 Modoc Eight Mile Creek, northeast corner of county. 1753 Comment
  JEPS126537  Frasera albicaulis var. modocensis Lowell Ahart, John Dittes 2016-6-6 20954 -B Modoc About 50 yards southwest of the intersection of County Road 87 and Access Road to Pilot Butte Parking Area, northeast base of Pilot Butte, 3.8 miles (air) east of Lookout, 7.5 miles (air) west of Adin, Ash Creek State Wildlife Area. Comment
  POM76594  Frasera albicaulis var. modocensis Mrs. R. M. Austin 1894-07 517 Modoc Goose Lake Valley Comment
  UCR34672  Frasera speciosa J. A. Harpel 1981-8-6 V 38 Modoc Warner Mtns, South Warner Wilderness Area: E end of Patterson Lake, 7 mi NW of Eagleville 2744 Comment
  CAS-BOT-BC191139  Fraxinus latifolia Bruce Bartholomew 1990-8-3 5594 Modoc Ash Creek Wildlife Refuge, ca. 2.5 km S of County Road 87 and 7 km W of Adin. 1250 Comment
  HSC15547  Fritillaria atropurpurea M. T. Milligan 1967-6-15 653 Modoc N end of Jess Valley 1616 Comment
  RSA367713  Fritillaria atropurpurea George Willet 1935-6-21 s.n. Modoc Warner Mountains 2439 Comment
  CAS-BOT-BC242091  Fritillaria pudica Bruce Bartholomew; Barrett Anderson 1989-4-28 4656 Modoc SW corner of Raker & Thomas Reservoir. 1500 Comment
  CAS-BOT-BC242096  Fritillaria pudica Bruce Bartholomew 1993-4-3 6407 Modoc Adjacent to Turner Creek at County Rd 90, N end of Big Valley, 6.4 km N of Lassen County border. 1300 Comment
  CAS-BOT-BC242099  Fritillaria pudica Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-10 6432 Modoc 5 km NE of Davis Creek on road to Plum Valley Campground. 1700 Comment
  RSA520504  Fritillaria recurva Bruce Bartholomew, M. Bourell 1990-4-26 5152 Modoc 0.5 km S of Day. 1100 Comment
  RSA101360  Galium aparine R. Weatherby 1955-7-8 1623 Modoc 6 miles N of Ft. Bidwell. Northern Warner Mtns. 1738 Comment
  JEPS13238  Galium bifolium Rimo Bacigalupi 1955-7-19 5379 Modoc Forest rd. to Mill Cr. Ranger Station (just above and e of Soup Spr. Mdw., southern mts.); Warner Mts., Modoc Nat'l For. 2118 Comment
  RSA520345  Galium bifolium Bruce Bartholomew, B. Anderson 1989-6-2 4842 Modoc Vicinity of Stough Reservoir, Warner Mtns. 1950 Comment
  CAS-BOT-BC225070  Galium glabrescens subsp. modocense G. Rugel 1981-6-11 1142 Modoc S facing ridge, N of Granger Canyon. 1645 Comment
  JEPS6518  Galium trifidum W. L. Jepson 1918-8-14 7991 Modoc Jess Valley 1584 Comment
  RSA612595  Galium trifidum Louis C. Wheeler 1935-8-1 3740 Modoc Dismal Swamp, Twenty Mile Creek, Warner Mountains. 2226 Comment
  CAS-BOT-BC225082  Galium trifidum subsp. columbianum Louis Cutter Wheeler 1935-8-1 3740 Modoc Dismal Swamp. 2225 Comment
  UC1408970  Galium trifidum var. pusillum R. F. Thorne and C. W. Tilforth 1969-9-5 39168 Modoc Clear Lake Modoc National Forest, Warner Mts. 1767 Comment
  CAS-BOT-BC190855  Gayophytum decipiens Bruce Bartholomew; Barrett Anderson 1989-6-3 4873 A Modoc Boles Creek, ca. 5.5 km E of the SE corner of Clear Lake Reservoir. 1430 Comment
  CAS-BOT-BC190817  Gayophytum ramosissimum Elmer Ivan Applegate 1937-5-12 11084 Modoc Lyon road near north entrance, Lava Beds National Monument. Comment
  HSC16402  Gayophytum ramosissimum M. T. Milligan 1966-6-19 472 Modoc Plateau W of Jess Valley 1829 Comment
  UC123659  Gentiana affinis var. ovata Milo S. Baker 1893-6 Modoc near bank McCloud R. Comment
  UC187819  Gentianopsis simplex Mrs. R. M. Austin Aug, 1894 95 Modoc head waters of Lassen Creek Comment
  SEINET10635350  Geranium attenuilobum W. T. Frost 1925-7-24 Frost 113 Modoc Jess Valley, Warner Mountains. Comment
  SEINET8569986  Geranium richardsonii A. Sanger 1996-5-26 3590 Modoc Granger Canyon 1768 Comment
  CHSC109892  Geranium viscosissimum B. Castro; L. P. Janeway 2012-7-26 1965 Modoc Warner Mountains. Along Highgrade National Recreation Trail 0.65 air mi SW of Little Lily Lake and 0.9 air mi N of Mt. Vida. 2336 Comment
  UC748252  Geranium viscosissimum Annie M. Alexander and Louise Kellogg 1946-6-30 4878 Modoc Highgrade, w side of ridge, n end of Warner Mountains Warner Mountains 2377 Comment
  JEPS61436  Geranium viscosissimum Leland S. Smith 1918-7-21 1002 Modoc Blue Lake Modoc Forest 1828 Comment
  NY1101444  Geranium viscosissimum var. nervosum B. Anderson 1986-7-9 3137 Modoc Poney Flat Rd just off Hwy 299 1435 Comment
  RSA0029587  Geranium viscosissimum var. nervosum George Willet 1935-6-26 s.n. Modoc Jess Valley, Warren [Warner] Mountains. 2287 Comment
  RSA0029590  Geranium viscosissimum var. nervosum C. L. Hitchcock 1940-5-27 6703 Modoc 15 miles NE of Alturas. 1677 Comment
  UC12257  Geum aleppicum M. S. Baker and Frank Nutting 1894-6-30 Modoc Big Valley, near Lookout Big Valley Comment
  HSC27360  Geum triflorum D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19433 Modoc Near Hager Reservoir Comment
  UC466702  Geum triflorum Franklin P. Nutting 1894-6-8 Modoc Flat near Egg Lake Comment
  NY964518  Gilia leptomeria var. micromeria B. M. Bartholomew 1989-6-2 4820 Modoc Sand dunes at the southeast corner of Upper Alkali Lake, east side of Surprise Valley 1400 Comment
  CAS-BOT-BC190677  Gilia modocensis Lewis Samuel Rose 1940-6-12 40524 Modoc 5 mi. E of Likely 1524 Comment
  CAS-BOT-BC190659  Gilia salticola C. C. (Mrs.) Bruce 1898-6-1 2328 pp Modoc Near Likely. Comment
  CAS-BOT-BC190661  Gilia salticola Bruce Bartholomew 1991-6-22 5844 Modoc E side of Surprise Valley, 9.6 km E of Eagleville at the Nevada border. 1520 Comment
  CAS-BOT-BC190666  Gilia sinistra subsp. sinistra James Vale; et al 1979-6-9 s.n. Modoc South Fork Fitzhugh Creek, Parker Creek Road to Jess Valley Road. Comment
  CAS-BOT-BC190669  Gilia sinistra subsp. sinistra Roxana Stinchfield Ferris; R. Duthie 1919-6-14 106 Modoc Near spring above Parker Creek, Warner Mts. Comment
  UCD117558  Glaux maritima John C. Hays 1950-1 s.n. Modoc Surprise Valley. 1402 Comment
  UC65064  Glyceria borealis David Griffiths, Byron Hunter 1902-1 452 Modoc Warner Mts. Comment
  CAS-BOT-BC49531  Gnaphalium palustre Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10557 Modoc Patterson Ranger Station (East Creek drainage), Warner Mountains. 2164 Comment
  CAS-BOT-BC49572  Gnaphalium palustre Bruce Bartholomew 1990-8-3 5598 Modoc Ash Creek Wildlife Refuge, ca. 2.5 km S of County Road 87 and 7 km W of Adin. 1250 Comment
  CHSC117252  Gnaphalium palustre Lowell Ahart; John Dittes 2016-7-14 21157 -A Modoc West side of new pond, south of Ash Creek Canal (now filled in), south of Ash Creek State Wild Life Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. 1271 Comment
  UC711857  Gnaphalium palustre Roxana S. Ferris and Laura Lorraine 1941-8-13 10557 Modoc Patterson Ranger Station, East Creek drainage Warner Mountains, Modoc National Forest, East Creek 2164 Comment
  UCR57501  Gnaphalium palustre R. D. Goeden, Don W. Ricker 1989-8-23 989- 29 Modoc Modoc National Forest, Clear Lake Road at Fletcher Creek. 1479 Comment
  UC157873  Goodyera oblongifolia Milo S. Baker Aug. 1894 Modoc Forestdale Comment
  UC1191894  Gratiola neglecta Herbert L. Mason and Verne Grant 1947-7-11 13374 Modoc along Highway #395 s Alturas (near w side of road); South Fork of Pitt River Comment
  UC1051570  Gratiola neglecta Verne E. Grant and Irving Schneider 1947-7-20 8094 Modoc s loop of Westside Road n Likely (Pitt Valley); Pitt Valley Comment
  RSA520366  Grayia spinosa Bruce Bartholomew, B. Anderson 1989-4-29 4682 Modoc 9-11 km E of Fort Bidwell on road to Fee Reservoir, NE corner of Surprise Valley. 457 Comment
  CAS-BOT-BC304880  Grindelia hirsutula L. S. Smith 1924-6-21 1507 Modoc Modoc National Forest. Egg Lake country Comment
  CAS-BOT-BC49542  Grindelia hirsutula Bruce Bartholomew 1989-8-11 5057 Modoc Along W side of Goose Lake, 12.4 km N of McGinty Point on National Forest Road 48. 1430 Comment
  SEINET3146837  Grindelia hirsutula M. S. Baker sn Modoc Forest Dale Comment
  UC87884  Grindelia hirsutula Mrs. R. M. Austin 1886-8-1 Modoc Goose Lake Valley 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
  SFV18057  Grindelia nana J. A. Matos, D. C. Rudolph 1999-8-7 s. n. Modoc 1 mile east of Siskiyou county line along Lava Beds National Monumemt Road. 1310 Comment
  UC24777  Hackelia californica Milo S. Baker 1893-6 Modoc near Forestdale Comment
  RSA496335  Hackelia californica Elaine Joyal, D. Mehlman 1988-6-28 1290 Modoc N Warner Mts., ridge road. Comment
  UC573101  Hackelia cusickii F. H. Frost 1925-5-24 42 Modoc Steamboat Canyon; Warner Mountains 1767 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-BC54061  Hackelia micrantha Annie Montague Alexander; L. Kellogg 1946-6-14 4764 Modoc Silver Creek branch of Patterson Mill road. 1828 Comment
  CAS-BOT-BC54100  Hackelia micrantha Bruce Bartholomew 1991-8-5 6037 Modoc Squaw Peak Trail on N side of Squaw Peak, E side of Warner Mts. 2420 Comment
  HSC80931  Hackelia micrantha G. M. Riegel 1979-7-23 573 Modoc S Warner Mtns. 1829 Comment
  HSC80930  Hackelia micrantha G. M. Riegel 1979-7-3 454 Modoc S Warner Mtns. 1670 Comment
  CAS-BOT-BC49549  Helianthus annuus Annetta Mary Carter 1946-8-18 1775 Modoc Round Valley, 3 mi. NE of Adin. 1402 Comment
  CDA6194  Helianthus annuus T. C. Fuller 1958-7-8 1933 Modoc Likely/Alturas. 0 Comment
  SEINET11196832 Image available Helianthus annuus A. Carter 1946-8-18 1775 Modoc Round Valley, 3 mi NE of Adin 1402 Comment
  CAS-BOT-BC49505  Helianthus cusickii Margaret J. Williams; et al 1988-6-2 88- 28 -5 Modoc Jess Valley, E of Likely, S of roadside rest. Comment
  POM71862  Heliotropium curassavicum var. oculatum Mrs. R. M. Austin, Bruce 1898-06 s.n. Modoc Goose Lake. Comment
  CAS-BOT-BC21465  Heracleum lanatum Bruce Bartholomew; Barrett Anderson 1990-7-20 5542 Modoc Buck Creek between Del Pratt Spring and Howard Flat, W side of Warner Mts. 1990 Comment
  CAS-BOT-BC21466  Heracleum lanatum Bruce Bartholomew 1989-8-11 5068 Modoc Along Lassen Creek near SE side of Harris Flat, Warner Mountains. 1920 Comment
  CAS-BOT-BC21470  Heracleum lanatum Bruce Bartholomew; Barrett Anderson 1988-7-22 4539 Modoc Side Creek, W side of Lake City Canyon, E side of the Warner Mts.. 1980 Comment
  CAS-BOT-BC180041  Hesperochiron californicus R. M. Austin 1894-1-1 Modoc Goose Lake Valley. Comment
  CAS-BOT-BC180049  Hesperochiron californicus Bruce Bartholomew; M; M. Gilbert; L. E. Skog 1993-5-11 6492 Modoc Junction of Crowder Flat Road and the road to the N side of Big Sage Reservoir. 1580 Comment
  CHSC85194  Hesperochiron californicus John Dittes; Josephine Guardino 1991-6-1 372 Modoc Modoc Plateau; Big Valley; Ash Creek Wildlife Area; ca. 5.7 air-miles northeast of Bieber, ca. 7.6 air-miles west of Adin, ca. 1.5 air-mile southeast of Pilot Butte summit; meadow at northern edge of Ash Creek Floodplain (Big Swamp) at southeast base of Pilot Butte. 1258 Comment
  CAS-BOT-BC180046  Hesperochiron californicus Leland S. Smith 1920-5-18 11515 /1 Modoc Sear's Homested. 1676 Comment
  CAS-BOT-BC180048  Hesperochiron californicus E. H. Steffen 1917-6-20 49 Modoc Jess Valley. 1524 Comment
  UC124514  Hesperochiron californicus Mrs. R. M. Austin July 1894 Modoc Goose Lake Comment
  CHSC85137  Hesperochiron pumilus John Dittes; Josephine Guardino 1991-6-1 349 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
  RSA0110965  Hesperochiron pumilus Bruce Bartholomew, B. Anderson 1988-5-12 4102 Modoc White Horse 1340 Comment
  UC1537542  Hesperochiron pumilus Gordon H. True Jr. 1938-5-25 917 Modoc between Widow Valley and Day 1219 Comment
  RSA503053  Hesperolinon micranthum Bruce Bartholomew, B. Anderson 1988-6-23 4224 Modoc 2.1 km SSE of Day on the road to State Highway 299. 1020 Comment
  UC17266  Hesperolinon micranthum Baker Modoc Little Hot Spring Valley Comment
  CAS-BOT-BC49506  Heterotheca villosa var. hispida Bruce Bartholomew 1991-7-6 5980 Modoc Lava beds at W side of Egg Lake. 1300 Comment
  HSC80723  Heuchera cylindrica G. M. Riegel 1980-7-29 970 Modoc S Warner Mtns. 1670 Comment
  NY541343  Heuchera cylindrica B. M. Bartholomew 1995-8-1 7161 Modoc Bidwell Mountain, east side of the Warner Mountains 2150 Comment
  HSC5826  Hieracium albiflorum M. T. Milligan 1966-7-27 592 Modoc Slopes and ridges E of Jess Valley 1707 Comment
  POM229874  Hieracium albiflorum L. C. Wheeler 1935-8-14 3837 Modoc Pine Creek. Warner Mtns. 2011 Comment
  UC190587  Hieracium albiflorum M. F. Gilman 605 Modoc 1981 Comment
  SEINET5507549  Hieracium bolanderi R. Spellenberg, M. Spellenberg 2013-7-24 14582 Modoc USFS road 15 to Medicine Lake 18.5 km N of junction with CA Hwy 89, 37 km NE of Castella 1410 Comment
  HSC81133  Hieracium horridum G. M. Riegel 1979-7-21 572 Modoc South Warner Mountains 1670 Comment
  CAS-BOT-BC49479  Hieracium scouleri Bruce Bartholomew; Barrett Anderson 1990-7-20 5475 Modoc 10.3 km N of Buck Creek Ranger Station, crest of Warner Mountains W side of Warner Mts. 2130 Comment
  CAS-BOT-BC49482  Hieracium scouleri Roxana Stinchfield Ferris; L. Lorraine 1941-8-14 10578 Modoc 3 mi. from Patterson Ranger Station on road to Eagleville, Warner Mtns., Modoc N.F. Comment
  CAS-BOT-BC49516  Hieracium scouleri Elmer Ivan Applegate 1932-8-7 8236 Modoc Lily Lake, Bidwell Pass, Warner Mountains Comment
  CAS-BOT-BC49524  Hieracium scouleri Bruce Bartholomew; Barrett Anderson 1988-7-23 4555 Modoc Road beyond Poison Lake ca. 8 km S of the road from U.S. Highway 395 to Lily Lake, Warner Mts.. 2140 Comment
  CHSC115482  Hieracium scouleri L. P. Janeway 2014-7-8 11460 Modoc Modoc Plateau. East corner of Dry Creek Rim; along Road 47N08 (Corral Creek Road) 3.1 road-km north-northwest of Road 48 (along the west edge of Goose Lake). 1650 Comment
  SJSU7632  Hieracium scouleri H. C. Buckalew 1961-7-4 Modoc near Stowe Reservoir c. 1 mi N of Cedar Pass on Alturas-Cedarville Rd, Warner Mts Comment
  UC201714  Hieracium scouleri W. P. Taylor and H. C. Bryant 1910-7-13 Modoc Head of North Fork Parker Creek Warner Mountains, Head of North Fork Parker Creek 2286 Comment
  CAS-BOT-BC49515  Hieracium scouleri Leland S. Smith 1924-6-22 1428 Modoc Lava beds West Lava Ranger Station. Comment
  HSC10126  Holcus lanatus M. T. Milligan 1966-7-1 519 Modoc N end of Jess Valley. 1616 Comment
  CAS-BOT-BC214693  Holodiscus microphyllus var. glabrescens K. Paulson; Robert Paulson 1991-8-10 252 Modoc Near Manzanita Lookout. 2065 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
  RSA67242  Holodiscus microphyllus var. glabrescens Philip A. Munz 1951-9-14 16978 Modoc S fork of Pit River, 7.8 miles E of Likely. 1540 Comment
Read comments
Jun 20 2012
  RSA584728  Holosteum umbellatum Bruce Bartholomew, M. Gilbert, L. Skog 1993-5-12 6519 Modoc Ca. 1 km W of Aden on road to Lookout. 1280 Comment
  HSC10152  Hordeum brachyantherum M. T. Milligan 1965-6-26 341 Modoc 1677 Comment
  SJSU9601  Hordeum brachyantherum W. Savage 1979-7-5 1371 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  HSC80844  Hordeum brachyantherum subsp. californicum G. M. Riegel 1980-8-5 987 Modoc S Warner Mtns. 2100 Comment
  HSC65542  Hordeum jubatum Thomas Wood 1979-8-8 207 Modoc 1 mi. S of Ft. Bidwell, along Hwy. 1, corner house where road turns W 1372 Comment
  RSA210781  Hordeum jubatum J. Henrickson, C. W. Tilforth 1969-9-4 39064 Modoc Near old margin of Goose Lake, SW shore of Goose Lake N of McGinty Point. 1433 Comment
  UCSB16425  Hordeum jubatum Hardham, Clare 1961-6-19 Modoc Willow Creek; Warner Mountains Comment
  RSA611269  Horkelia fusca subsp. pseudocapitata Louis C. Wheeler 1935-8-1 3726 Modoc Dismal Swamp. Twenty Mile Creek, Warner Mountains. 2226 Comment
  JEPS113064  Horkelia fusca var. brownii Roy Buck 1987-6-6 666 Modoc at end of road just W of Egg Lake Comment
  CAS-BOT-BC214712  Horkelia fusca var. pseudocapitata Roxana Stinchfield Ferris; L. Lorraine 1941-8-14 10586 Modoc 3 mi. from Patterson Ranger Station on road to Eagleville. Comment
  RSA249347  Horkelia tridentata D. H. Norris, S. Dowty, S. Nelson 1971-6-23 19508 Modoc along the South fork of the Pit River, about 6 miles east of Likely. Comment
  CAS-BOT-BC181963  Hosackia crassifolia Milo Samuel Baker 1893-7-1 s.n. Modoc Modoc County. Comment
  CAS-BOT-BC179334  Hydrophyllum capitatum var. alpinum K. Paulson; Robert Paulson 1989-6-14 127 Modoc Ca. 1.5 mi. NE of Cedar Pass, Warner Mts. 1905 Comment
  CAS-BOT-BC180025  Hydrophyllum capitatum var. alpinum Bruce Bartholomew; M; M. Gilbert; L. E. Skog 1993-5-10 6433 Modoc 5 km NE of Davis Creek on road to Plum Valley Campground. 1700 Comment
  HSC13545  Hydrophyllum capitatum var. alpinum M. T. Milligan 1965-7-10 434 Modoc W slope of Eagle Peak. 2439 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
  JEPS1629  Hydrophyllum capitatum var. alpinum L. S. Smith 1919-6-1 1107 Modoc Deep Creek ranger station; Warner Mts. 1508 Comment
  SEINET3156124  Hydrophyllum capitatum var. alpinum E. K. Balls 1950-5-11 14627 Modoc 8.1 miles NE of Fort Bidwell, above Cow Head Lake, along 8 mile Creek. 1463 Comment
  UCD119476  Hydrophyllum capitatum var. alpinum Francis Galey 1991-6-6 s.n. Modoc Cattle ranch at Likely. Comment
  HSC59909  Hymenoxys hoopesii G. M. Riegel 1979-9-8 766 Modoc South Warner Mt. Wilderness Area 2427 Comment
  CAS-BOT-BC179903  Hypericum anagalloides Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-14 16477 Modoc Campground on Lassen Creek, 1.6 mi. above ford, Warner Mts. Comment
  POM86682  Hypericum formosum var. scouleri Mrs. R. M. Austin 1895-07 177 Modoc Goose Lake Valley. Comment
  UC748355  Hypericum formosum var. scouleri Annie M. Alexander and Louise Kellogg 1946-7-13 4992 Modoc Eagleville, Eagle Creek Comment
  CAS-BOT-BC179892  Hypericum scouleri Leland S. Smith 1922-7-24 1314 Modoc Rush Creek Ranger Station pasture. 1905 Comment
  CAS-BOT-BC49489  Hypochaeris glabra Bruce Bartholomew 1993-6-13 6645 Modoc Vicinity of hot spring, ca. 0.6 km NE of Leonard Hot Spring, E side of Surprise Valley. 1430 Comment
  CAS-BOT-BC58444  Idahoa scapigera R. M. Austin 1894-4-1 Modoc Goose Lake Valley. Comment
  CAS-BOT-BC58450  Idahoa scapigera Edward Kent Balls 1950-5-18 14757 Modoc N of Upper Rush Creek Public Camp, 2.5 mi. E of Hwy. 299. 1737 Comment
  UC10772  Idahoa scapigera Mrs. R. M. Austin April, 1894 Modoc Goose Lake Valley Comment
  CAS-BOT-BC179104  Iliamna bakeri Dean William Taylor 1988-8-11 10044 Modoc Damon's Butte (ca. 2 mi W of Hwy 139) in summit crater of butte. 1466 Comment
  CAS-BOT-BC15177  Ionactis alpina K. Paulson; Robert Paulson 1989-5-21 123 Modoc 2.5 mi. SW of Boles Creek on County Road 136. 1438 Comment
  UC449780  Ipomopsis aggregata Franklin P. Nutting Modoc near Forestdale Comment
  CAS-BOT-BC190651  Ipomopsis aggregata subsp. aggregata Robert Patterson; Mona Bourell 1993-8-15 5240 Modoc Warner Mountains. Along trail from Patterson Lake to ca. 2 mi north towards Pepperdine Trailhead. 2743 Comment
  CAS-BOT-BC190656  Ipomopsis aggregata subsp. aggregata John H. Hatton 1911-6-23 155 Modoc Modoc County. 1676 Comment
  CHSC50766  Ipomopsis congesta Marion Ownbey; Fred G. Meyer 1940-7-1 2133 Modoc Cedar Pass, Warner Mts. Comment
  CAS-BOT-BC190637  Ipomopsis congesta subsp. palmifrons Annie Montague Alexander; L. Kellogg 1946-7-11 4969 Modoc Eight Mile Creek, NE corner of county. Comment
  CAS-BOT-BC190634  Ipomopsis tenuituba Alice Eastwood; John Thomas Howell 1940-6-13 8159 Modoc E side of Fandango Pass. Comment
  CHSC115512  Iris missouriensis Lowell Ahart; John Dittes 2015-7-17 20399 Modoc About 50 yards north of Ash Creek, Ash Creek State Wildlife Area, about 3/4 mile south of County Road B7, about 2.7 miles (air) west of Adin, about 9.1 miles (air) northeast of Bieber. 1279 Comment
  UC1192314  Iris missouriensis Malcolm A. Nobs and S. Galen Smith 1949-5-29 770 Modoc 1 mi e Lake City Comment
  JEPS123849  Isatis tinctoria Lowell Ahart, John Dittes 2015-7-17 20402 Modoc Ash Creek State Wildlife Area, about 3/4 mile south of County Road B7, about 2.7 miles (air) west of Adin, about 9.1 miles (air) northeast of Bieber. Adin USGS 7.5' Topographic Quadrangle. Comment
  CAS-BOT-BC30186  Isoetes bolanderi Bruce Bartholomew 1991-8-6 6082 Modoc N Emerson Lake, E side of Warner Mts. 2370 Comment
  CHSC117044  Isoetes nuttallii Lowell Ahart; John Dittes 2016-6-6 20972 Modoc About 100 yards east of the Parking Area, about one mile south of the intersection of County Road 87 and Access Road to Pilot Butte Parking Area, 3.8 miles (air) east of Lookout, 7.5 miles (air) west of Adin, Ash Creek State Wildlife Area. 1271 Comment
  UCD133357  Iva axillaris Herbert L. Mason 1947-7-10 13344 Modoc Dorris Reservoir, 2 miles east of Alturas. Comment
  CHSC100011  Iva axillaris subsp. robustior Lowell Ahart; John Dittes 2008-8-25 15304 Modoc On the west bank of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout. 1273 Comment
  RSA768063  Iva axillaris subsp. robustior L. Ahart, John Dittes 2010-8-30 17085 Modoc 20 yrds north of Parking Area west of the old barn, on the west side of Elkins Lane, Ash Creek State Wildlife Area, 320 feet north of Lassen County Line, about 4.4 air miles west of Adin, about 7.2 air miles northeast of Bieber, Big Valley. Comment
  CAS-BOT-BC214720  Ivesia gordonii Bruce Bartholomew 1991-8-5 6072 Modoc Summit Trail, NW side of Squaw Peak, W side of Warner Mts. 2480 Comment
  NY833802  Ivesia gordonii B. M. Bartholomew 1990-8-4 5643 Modoc Top of pass on Summit Trail, ca. 0.5 km southeast of Patterson Lake, east side of Warner Mountains 2800 Comment
  UC1567372  Ivesia gordonii G. Schoolcraft 1989-7-16 1965 Modoc e of Patterson Lake; Warner Mountains 2804 Comment
  JEPS120122  Juncus balticus subsp. ater Lowell Ahart, John Dittes 2012-7-12 18364 Modoc North edge of Ash Creek, south of the gravel pit, about 1/8 mile east of the parking area on the east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. Comment
  CAS-BOT-BC245073  Juncus bufonius Roxana Stinchfield Ferris; L. Lorraine 1941-8-14 10603 Modoc 8.5 mi. from Patterson Ranger Station on Eagleville road. Comment
  UCD146977  Juncus bufonius var. occidentalis Chuck Hughes 2012-9-13 348 Modoc Bear Mountain 2005 Comment
  UC70010  Juncus longistylis Mrs. M. H. Manning August 1904 441 Modoc ne Modoc County 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
  UCR34737  Juncus mertensianus J. A. Harpel 1981-8-6 V 5 Modoc Warner Mtns, South Warner Wilderness Area: E end of Patterson Lake, 7 mi NW of Eagleville 2744 Comment
  UC2483  Juncus mexicanus Baker and Nutting Modoc Dixie Valley Comment
  CAS-BOT-BC245044  Juncus nevadensis Bruce Bartholomew; Barrett Anderson 1988-7-23 4584 Modoc Vicinity of Blue Bell Mine between Lily Lake and Dismal Swamp, Warner Mts.. 2170 Comment
  CHSC38994  Juncus nevadensis J. D. Jokerst 1983-7-18 1843 Modoc Large meadow area called Miller Flat at the east edge of mdw. NW of the town of Aden. Comment
  RSA30797  Juncus nevadensis C. L. Hitchcock 1940-5-27 6715 Modoc 15 miles NE of Alturas. Comment
  JEPS114907  Juncus orthophyllus Lowell Ahart, John Dittes 2008-8-26 15351 Modoc On the bottom of Rose Creek, 750 feet southwest of confluence of Rose Creek and Pit River, on the northwest side of unnamed road, 2660 feet east of intersection with County Road 85a, 9.3 miles (air) north-northeast of Lookout 1276 Comment
  UC1601765  Juncus orthophyllus Milo S. Baker 1893-7-8 Modoc Egg Lake Comment
  UCR67433A  Juncus saximontanus George K. Helmkamp 1990-9-23 J- 12 Modoc Warner Mtns, Goose Lake, within 0.1 mi of the Oregon border 1476 Comment
  RSA520442  Juniperus communis var. montana Bruce Bartholomew 1990-6-16 5262 Modoc W side of Pine Creek Basin, Warner Mountains. 2200 Comment
  UC401374  Juniperus occidentalis Franklin P. Nutting Modoc lava near Egg Lake Comment
  CAS-BOT-BC81207  Juniperus occidentalis P. Monnet 1913-1 s.n. (or 893 B) Modoc Warner's Range 2133 Comment
  LA6642  Juniperus occidentalis Carl Epling; Mrs. Epling 1935-8-15 Modoc Courtwright Comment
  RSA597868  Juniperus occidentalis var. occidentalis F. C. Vasek 1962-9-2 620902 -1 Modoc Cedarville Road 5.8 miles east of U.S. 395, east of Alturas 1616 Comment
  RSA6216  Juniperus occidentalis var. occidentalis Elmer I. Applegate 1929-7-29 6083 Modoc Clear Lake Comment
  CAS-BOT-BC225094  Kelloggia galioides Bruce Bartholomew; Barrett Anderson 1988-7-22 4480 Modoc Vicinity of East Creak Trailhead, southern end of the Warner Mts. 2210 Comment
  CDA3143  Kochia scoparia T. C. Fuller 1962-8-29 9484 Modoc Between road and canal of the South Fork of the Pit River, Pit River Ranch, ca. 5 miles north of Likeley. 0 Comment
  CHSC69230  Koeleria macrantha James D. Jokerst 1986-8-10 2748 Modoc Radar Survey Site S of Doublehead Mtn., ca. 400 m NE of a NW-SE oriented fence and road. 1341 Comment
  UC485313  Kyhosia bolanderi Franklin P. Nutting Modoc Forestdale Comment
  JEPS117280  Lactuca serriola Lowell Ahart, John Dittes 2010-8-30 17073 Modoc About 15 yards west of the fence, south edge of the meadow, Ash Creek State Wildlife Area, 2300 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley 1267 Comment
  CDA36735  Lagophylla ramosissima Richard R. Halse 2010-8-25 8085 Modoc Along State Highway 139 ca. 25.5 miles northwest of its junction with State Hwy 299; Modoc National Forest. Comment
  SEINET11446747 Image available Lagophylla ramosissima R. R. Halse 2010-8-25 8085 Modoc Along State Hwy. 139 ca 25.5 miles northwest of its junction with State Hwy. 299; Modoc National Forest.; 0 1278 Comment
  CHSC85167  Lagophylla ramosissima subsp. ramosissima John Dittes; Josephine Guardino 1991-8-23 447 Modoc Modoc Plateau; Big Valley; Ash Creek Wildlife Area; ca. 7.7 air-miles northeast of Bieber, ca. 4.0 air-miles west by southwest of Adin, ca. 5.0 air-mile east by southeast of Pilot Butte summit, ca. 0.6 mile east of Walters Road and Owl Barn; meadow at southern edge of Ash Creek Floodplain. 1271 Comment
  CAS-BOT-BC179873  Lamium amplexicaule Leland S. Smith 1919-5-1 1082 Modoc Jess Valley, Clarke Ranch. 1600 Comment
  JEPS63245  Lamium amplexicaule L. S. Smith 1919-5-7 1093 Modoc Jess Valley; Warner Mts. Comment
  SEINET7716748  Lathyrus albus Unknown Modoc Adobe Flats Comment
  CAS-BOT-BC181981  Lathyrus brownii Bruce Bartholomew; Barrett Anderson 1988-5-12 4122 Modoc SE side of Egg Lake, ca. 1 km E of the Burlington Northern railroad track. 1290 Comment
  UC15393  Lathyrus brownii Baker and Nutting 1894-6-16 Modoc Forestdale Comment
  CAS-BOT-BC497200  Lathyrus rigidus G. Schoolcraft 1998-5-19 2710 Modoc Hwy 395 about 9.5 mi N of Davis Creek 1524 Comment
  CAS-BOT-BC321173  Layia glandulosa Alice Eastwood; John Thomas Howell 1940-6-14 8247 Modoc Between Mammoth Cave and Lave Beds Nat. Mon. Comment
  CHSC99245  Lemna minuta Lowell Ahart; John Dittes 2008-6-21 15008 Modoc On shallow water 6-8 inches deep, along a deep natural drainage, about 30 yards west of the levee, mountain meadow, in Big Valley about 3.6 miles (air) north of the Headquarters at Ash Creek State Wildlife Area, about 6.4 miles (air) northeast of Bieber. 1269 Comment
  POM312463  Lemna trisulca H. L. Mason, Verne Grant 1947-7-12 13432 Modoc Corporation Ranch Headquarters, north of Likely. Comment
  UC1101269  Lemna trisulca Herbert L. Mason, Verne Grant 1947-7-12 13432 Modoc n of Likely (Corportation Ranch Headquarters); Corportation Ranch Headquarters Comment
  UC1101297  Lemna turionifera Herbert L. Mason, Verne Grant 1947-7-12 13389 Modoc several mi s of Alturas (by Jones' Lane, off Highway 395) Comment
  JEPS117383  Lepidium campestre Lowell Ahart, John Dittes 2010-8-31 17109 Modoc About 40 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
  NY119813  Lepidium chalepense K. Paulson 1990-7-21 214 Modoc Patterson Meadow, Warner Mountains Comment
  NY23161  Lepidium dictyotum var. dictyotum B. M. Bartholomew 1995-5-13 6904 Modoc East of Eagleville near Eagleville Airport, south end of Surprize Valley 1390 Comment
  CAS-BOT-BC58643  Lepidium pubecarpum Bruce Bartholomew 1989-7-14 4956 A Modoc Survice Gulch ca. 3 km NE of Egg Lake. 1340 Comment
  UC23808  Leptodactylon pungens Milo S. Baker 1893-6 Modoc Comment
  CHSC109492  Leptosiphon nuttallii subsp. nuttallii L. P. Janeway; B. Castro 2012-7-26 11002 Modoc Warner Mountains. Along dirt road west of and above Little Lily Lake 2.3 air km north of Mt. Vida. 2280 Comment
  SEINET7073595  Leucocrinum montanum A. G. Vestal 1955-5-18 s.n. Modoc Modoc lava on Route 139. Modoc National Forest. UTM Zone 10, 646374mE, 4627855mN. Coordinate datum: NAD27. Comment
  UC683361  Leucocrinum montanum R. C. Wilson 1933-5-23 86 Modoc Pothole Gulch 1341 Comment
  SEINET12271432  Leucophysalis nana M. Ownbey, Meyer, F. G. 1940-1 2132 Modoc near Cedar Pass, Warner Mts Comment
  CAS-BOT-BC247702  Leucopoa kingii Clare Butterworth Hardham 1961-6-18 7552 B Modoc 3.2 mi. E of Cedar Pass. Comment
  CAS-BOT-BC197484  Lewisia rediviva Leland S. Smith 1919-6-5 1122 Modoc Deep Creek near station. 1524 Comment
  CAS-BOT-BC197487  Lewisia rediviva Elmer Ivan Applegate 1932-8-1 8036 Modoc Arid summit of Warner Mts. just S of Warren Peak. Comment
  CAS-BOT-BC197492  Lewisia rediviva K. Paulson; Robert Paulson 1989-5-21 124 Modoc Steele Swamp Road, Devil's Garden. 1371 Comment
  CAS-BOT-BC444400  Lewisia rediviva Francis Dorris Payne 1929-6-23 25 Modoc Parker Creek, Warner Mts. 1584 Comment
  NY497584  Lewisia rediviva C. L. Hitchcock 1940-5-27 6671 Modoc 15 miles northeast of Alturas 1615.4 Comment
  UC1031362  Lewisia rediviva C. L. Hitchcock 1940-5-27 6671 Modoc sagebrush knoll 15 mi ne Alturas 1615 Comment
  UC1585399  Lewisia rediviva R. Raiche and K. Zadnik 1989-7-4 9021 A Modoc Soldier Creek drainage Warner Mts., Cedar Mt. area, Soldier Creek drainage 1985 Comment
  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
  UC1037150  Leymus triticoides Leo Whitney 1935-7-6 3414 Modoc near Lookout; Pit River Comment
  UCD65581  Leymus triticoides August L. Hormay 1932-7-5 s.n. Modoc Modoc National Forest, Crowder Ranger Station. Comment
  RSA577560  Lilaea scilloides L. C. Wheeler 1935-9-18 3991 Modoc Householder Reservoir, Devil s Garden 1524 Comment
  CAS-BOT-BC238352  Limosella aquatica John Thomas Howell 1934-6-15 12195 Modoc Dorris Reservoir, 2 miles e. of Alturas Comment
  JEPS127290  Limosella aquatica Lowell Ahart, John Dittes 2016-7-14 21198 Modoc South of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin Big Valley. Comment
  UCR131612  Limosella aquatica L. C. Wheeler 1935-9-1 3934 Modoc Pine Spring, Devil's Garden 1524 Comment
  CAS-BOT-BC198035  Linanthus harknessii Louis Cutter Wheeler 1935-8-16 3868 Modoc Dismal Swamp. 2225 Comment
  UC1332118  Linanthus harknessii Alice Eastwood and John Thomas Howell 1940-6-14 8222 Modoc 8 mi nw Canby Comment
  UCD123900  Linaria dalmatica subsp. dalmatica W. T. Parsons; T. C. Fuller 1960-7-27 4875 Modoc around old saw mill site, Lassen Creek, near Sugar Hill Planting. Comment
  CDA6365  Linaria genistifolia subsp. dalmatica T. C. Fuller 1963-7-16 10909 Modoc Lassen Creek, Sugar Hill Planting, ca. 6 miles southeast of Willow Ranch. 0 Comment
  CDA6353  Linaria genistifolia subsp. dalmatica T. C. Fuller, W. T. Parsons 1960-7-27 4875 Modoc Lassen Creek, near Sugar Hill Planting. 0 Comment
  JEPS123864  Linum lewisii var. lewisii Lowell Ahart, John Dittes 2015-7-16 20369 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-BC225815  Lithophragma glabrum Annie Montague Alexander; L. Kellogg 1946-6-5 4666 Modoc Emerson Creek, S of Eagleville, Warner Mts. 2072 Comment
  UC114984  Lithophragma glabrum Mrs. R. M. Austin May 1884 88 Modoc Goose Lake Valley 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
  RSA520475  Lithophragma glabrum Bruce Bartholomew, B. Anderson 1989-4-28 4644 Modoc 8.8 km N of State hwy 299 on road to Raker and Thomas Reservoir. 1470 Comment
  HSC80735  Lithophragma parviflorum G. M. Riegel 1978-6-26 16 Modoc S Warner Mtns. 2100 Comment
  CAS-BOT-BC225838  Lithophragma tenellum Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16425 Modoc Summit of Cedar Pass, between Alturas and Cedarville. 1935 Comment
  CAS-BOT-BC225839  Lithophragma tenellum Bruce Bartholomew; Barrett Anderson 1988-5-14 4211 Modoc SW corner of Big Sage Reservoir. 1500 Comment
  HSC20218  Lithophragma tenellum M. T. Milligan 1965-7-10 433 Modoc W slope of Eagle Peak. 2439 Comment
  CAS-BOT-BC54034  Lithospermum ruderale C. L. Hitchcock 1940-5-27 6654 Modoc 9 mi. NE of Alturas. 1402 Comment
  CAS-BOT-BC54038  Lithospermum ruderale R. M. Austin 1894-6-1 s.n. Modoc Willow Creek Valley. Comment
  CAS-BOT-BC54073  Lithospermum ruderale Harry Dwight Dillon Ripley; Rupert Charles Barneby 1944-5-31 5997 Modoc NW of Alturas. 1493 Comment
  UC71570  Lithospermum ruderale M. H. Manning May 1903 98 a Modoc near Fort Bidwell ne Modoc county Comment
  RSA610637  Lithospermum ruderale L. C. Wheeler 1935-8-6 3793 Modoc 1/4 mi. E Pine Creek (town) edge of Warner Mts. 1555 Comment
  CAS-BOT-BC21440  Lomatium bicolor var. leptocarpum K. Paulson; Robert Paulson 1988-6-11 30 Modoc N of Stough Reservoir, Warner Mts.. 1706 Comment
  CAS-BOT-BC21454  Lomatium bicolor var. leptocarpum Annie Montague Alexander; L. Kellogg 1946-6-26 4839 Modoc Dismal Swamp. 2255 Comment
  JEPS15826  Lomatium bicolor var. leptocarpum L. S. Smith 1917-5-28 Modoc Jess Valley Comment
  UC572970  Lomatium bicolor var. leptocarpum Louis C. Wheeler 1935-9-12 3982 Modoc 2 mi. s.w. Poindexter Reservoir (Devil's Garden); Devil's Garden 1524 Comment
  RSA504594  Lomatium bicolor var. leptocarpum Bruce Bartholomew, B. Anderson 1988-6-23 4291 Modoc South side of Egg Lake, ca. 1.5 km west of the Burlington Northern railroad track 1300 Comment
  CAS-BOT-BC30175  Lomatium foeniculaceum subsp. macdougalii Bruce Bartholomew 1995-6-2 6941 Modoc 3.5 km NE of County Road 38 on County Road 37, SE side of Surprize Valley. 1390 Comment
  OBI81576  Lomatium leptocarpum Annie M Alexander, Louise Kellogg 1946-6-14 4770 Modoc In drying meadow below lava slope; branch to Silver Creek. 1829 Comment
  UC106254  Lomatium nevadense var. nevadense Mrs. R. M. Austin May 1884 87 Modoc Goose Lake Valley Comment
  UC1228813  Lomatium nevadense var. nevadense Lincoln Constance and Emil DiFulvio 1962-4-16 3749 Modoc 3.2 mi. n. Likely 1310 Comment
  HSC21547  Lomatium nevadense var. nevadense M. T. Milligan 1966-5-14 609 Modoc Plateau W of Jess Valley 1829 Comment
  UC71557  Lomatium nevadense var. parishii Mrs. M. H. Manning 1903-4 57 Modoc n.e. Modoc Co. Comment
  CAS-BOT-BC15767  Lomatium nudicaule Alice Eastwood; John Thomas Howell 1940-6-12 8105 Modoc W side of Cedar Pass. Comment
  HSC28844  Lomatium nudicaule D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19403 Modoc Along Hager Basin Rd. near Big Sage Reservoir. Comment
  CHSC70708  Lomatium triternatum var. macrocarpum A. Sanger 1997-6-3 2487 Modoc Mowitz Road at Boles Creek Crossing. 1463 Comment
  SEINET10545662  Lomatium triternatum var. macrocarpum Jeffrey Huber 1971-6-3 Huber 99 Modoc 5 mi. S of Canby on CA Hwy. 299. 1280 Comment
  CAS-BOT-BC21404  Lomatium triternatum var. triternatum Alice Eastwood; John Thomas Howell 1940-6-11 8030 Modoc 8 mi. from Canby on road to Alturas. Comment
  CAS-BOT-BC21414  Lomatium triternatum var. triternatum Bruce Bartholomew 1990-6-18 5370 Modoc SW side of Goose Lake, 2 km N of McGinty Point. 1420 Comment
  CAS-BOT-BC21425  Lomatium triternatum var. triternatum Alice Eastwood; John Thomas Howell 1940-6-15 8292 Modoc 9 mi. N of Lookout. Comment
  CAS-BOT-BC21426  Lomatium triternatum var. triternatum Alice Eastwood; John Thomas Howell 1940-6-12 8087 Modoc Jess Valley. Comment
  SEINET7073584  Lomatium utriculatum A. G. Vestal 1955-5-18 s.n. Modoc About 3.7 miles east of Adin on Route 87. UTM Zone 10, 663529mE, 4563872mN. Coordinate datum: NAD27. Comment
  RSA0049633  Lomatium vaginatum Dean Wm. Taylor 2012-6-5 21223 Modoc Vicinity Crank Spring (11 air miles North of Lookout) 1365 Comment
  RSA452600  Lomatium vaginatum Christopher Davidson 1975-6-4 2601 Modoc 0.4 miles E of Hwy 395 on Hwy 299 toward Cedarville. 1380 Comment
  UC106268  Lomatium vaginatum Mrs. R. M. Austin 1894-1 74 Modoc Goose Lake Valley Comment
  RSA504617  Lomatium vaginatum Bruce Bartholomew, B. Anderson 1988-6-25 4385 Modoc 5.6 km NW of State Highway 299 on County Rd. 73. 1500 Comment
  CAS-BOT-BC95168  Lonicera interrupta Belknap C. Goldsmith 1912-7-1 51 Modoc Little Hot Spring Valley. 1219 Comment
  RSA504631  Lonicera involucrata Bruce Bartholomew, B. Anderson 1988-6-24 4329 Modoc Lily Lake, W side of the Warner Mountains. Sierran montane forest. Comment
  RSA610632  Lonicera involucrata L. C. Wheeler 1935-8-14 3851 Modoc Lily Lake, Pine Creek, Warner Mountains. 2073 Comment
  CAS-BOT-BC95172  Lonicera involucrata var. involucrata Bruce Bartholomew 1989-8-12 5121 Modoc South Fork of Pine Creek where it crosses West Warner Road, W side of Warner Mountains. 1900 Comment
  CAS-BOT-BC181953  Lotus humistratus Bruce Bartholomew; Barrett Anderson 1989-6-3 4890 Modoc ca. 5 km E of the SE corner of Clear Lake Reservoir. 1450 Comment
  CAS-BOT-BC181948  Lotus nevadensis var. nevadensis Bruce Bartholomew; Barrett Anderson 1988-6-23 4227 Modoc 2.1 km SSE of Day on the road to State Highway 299. 1020 Comment
  CAS-BOT-BC181949  Lotus nevadensis var. nevadensis Leland S. Smith 1924-6-15 1408 Modoc Rocky sage flat S of Happy Camp Mt. 1310 Comment
  UC511321  Lupinus angustiflorus Lyman Benson 1930-7-18 2235 Modoc sw Alturas; Upper Pit, sw of Alturas 1219 Comment
  CAS-BOT-BC181900  Lupinus arbustus John H. Hatton 1911-6-12 38 Modoc Modoc County. 1524 Comment
  CAS-BOT-BC182180  Lupinus argenteus Elmer Ivan Applegate 1932-8-4 8152 Modoc Just N of Jess Valley, Warner Mts. Comment
  CAS-BOT-BC182221  Lupinus argenteus H. P. Bracelin 1931-6-30 500 Modoc S end of Alturas. 1524 Comment
  SJSU9656  Lupinus argenteus W. Savage 1979-7-8 1492 Modoc N end Fairchild Swamp Unit, Triangle, Devils Garden District, Modoc National Forest 1493 Comment
  UC748288  Lupinus argenteus Annie M. Alexander and Louise Kellogg 1946-7-7 4917 Modoc Cedarville , Cedarville (Surprise Valley) Comment
  SEINET10870581  Lupinus argenteus subsp. argenteus Duane Isely, I. Isely 1971-7-11 Isely 11374 Modoc Roadside at intersection state 139 and 299. Flowers bright violet; standard Ascending 45 degrees; no basal leaves Comment
  CHSC98636  Lupinus argenteus var. argenteus Richard R. Halse 2006-8-4 6996 Modoc Modoc National Forest, south end of the Warner Mountains, along Patterson Mill Road by Homestead Flat. 2152 Comment
  CAS-BOT-BC182080  Lupinus argenteus var. heteranthus Robert J. Weatherby 1955-7-8 1635 Modoc 3 mi. N of Ft. Bidwell, northern Warner Mts. 1554 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-BC182106  Lupinus argenteus var. heteranthus Annie Montague Alexander; L. Kellogg 1946-7-23 5052 Modoc Emerson Peak, Warner Mts. Comment
  CAS-BOT-BC182108  Lupinus argenteus var. heteranthus Elmer Ivan Applegate 1929-6-24 5895 Modoc Along road between Alturas and Davis Creek. Comment
  CAS-BOT-BC182117  Lupinus argenteus var. heteranthus Annie Montague Alexander; L. Kellogg 1946-6-12 4739 Modoc Fandango Pass road. 1706 Comment
  CDA27390  Lupinus argenteus var. heteranthus T. C. Fuller 1971-7-14 19906 Modoc Warner Mountains; Barber Grade above South Barber Creek, 7 miles south of Eagleville. 0 Comment
  NY736940  Lupinus argenteus var. heteranthus L. C. Wheeler 1935-8-7 3805 Modoc Pine Creek, Warner Mountains 1554 Comment
  NY736943  Lupinus argenteus var. heteranthus A. Eastwood 1940-6-12 8074 Modoc Between Likely and Jess Valley Comment
  UC1075725  Lupinus argenteus var. heteranthus Robert J. Weatherby 1955-7-8 1635 Modoc 3 mi N of Ft. Bidwell; northern Warner Mountains 1554 Comment
  CAS-BOT-BC182109  Lupinus argenteus var. heteranthus R. M. Austin 1884-6-1 89 Modoc Sage brush Plains. Comment
  CAS-BOT-BC181894  Lupinus bicolor Bruce Bartholomew 1995-5-12 6896 Modoc SW flank of White Horse Mountains between Day and Day Rock. 1210 Comment
  POM23636  Lupinus caudatus R. M. Austin 1895-07 410 Modoc Goose Lake Valley. Comment
  RSA152424  Lupinus caudatus I. L. Wiggins, Dorothy Wiggins 1961-6-13 16461 Modoc 3 miles west of summit of Fandango Pass across Warner Mountains. Comment
  CAS-BOT-BC181882  Lupinus latifolius Bruce Bartholomew; Barrett Anderson 1989-6-1 4753 Modoc ca. 0.5 km W of Davis Creek on road to S end of Goose Lake. 1460 Comment
  RSA271924  Lupinus latifolius var. barbatus Christopher Davidson 1975-6-4 s.n. Modoc 0.4 miles E of Hwy 395 on Hwy 299 toward Cedarville. 1380 Comment
  JEPS121191  Lupinus lepidus var. confertus Lowell Ahart, John Dittes 2013-7-25 18966 Modoc 10 yards W of the N-S fence, S edge of Ash Creek floodplain, NE of Patterson Homestead, E of Elkins Lane, 1.0 air mile S of County Road 87, 3.14 air miles W of Adin, Big Valley. Comment
  JEPS65336  Lupinus lepidus var. lobbii Frances D. Payne 1931-6-29 307 Modoc e slope of Mt. Warren; Warner Mountains, e slope of Mt. Warren 2286 Comment
  CAS-BOT-BC181870  Lupinus lepidus var. sellulus Mrs. H. C. Cantelow 1940-6-2 Modoc About 10 miles NW of Canby on road to Lava Bed National Monument. Comment
  JEPS48839  Lupinus lepidus var. sellulus Leland S. Smith 1924-6-9 1371 Modoc Egg Lake Ranch Modoc Forest; , Egg Lake Ranch 1310 Comment
  CAS-BOT-BC181830  Lupinus microcarpus var. microcarpus Bruce Bartholomew; Barrett Anderson 1989-6-2 4806 Modoc 9.3 km E of Fort Bidwell on road to Fee Reservoir, NE corner of Surprise Valley. 1580 Comment
  CAS-BOT-BC181842  Lupinus microcarpus var. microcarpus Bruce Bartholomew; Barrett Anderson 1989-6-3 4914 Modoc 5 km W of County Route 91 along the N side of the Pit River. 1340 Comment
  CAS-BOT-BC181824  Lupinus pusillus var. intermontanus R. M. Austin 1884-6-1 Modoc Shores of Goose Lake. Comment
  CAS-BOT-BC181813  Lupinus saxosus Edward Kent Balls 1950-5-13 14685 Modoc Along W shore road, Goose Lake, 10.3 mi. S of Oregon-California border. 1463 Comment
  UC71812  Lupinus saxosus Mrs. M. H. Manning 1903-4 52 Modoc near Fort Bidwell; near Fort Bidwell Comment
  SDSU7292  Lycopus asper D. F. Howe 1966-7-26 4304 Modoc 1.3 miles north of Lassen-Modoc Co. line, east of Warner Mts., Modoc Co. 1341 Comment
  CDA14599  Machaeranthera canescens var. shastensis G. D. Barbe 1991-8-27 4438 Modoc roadside Highway 395, 7.3 miles (11.8 km) northeast of Alturas, northeast of Chimny Rock. North Fork Pit River. 1402 Comment
  JEPS5971  Madia Frances D. Payne 1932-7-22 744 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  CAS-BOT-BC49428  Madia citriodora Bruce Bartholomew 1993-6-14 6649 Modoc 2 km E of County Road 114 on County Road 108, NW of Clear Lake Reservoir. 1320 Comment
  CAS-BOT-BC49472  Madia citriodora Bruce Bartholomew 1993-6-12 6590 Modoc Road to Day Rock from Little Hot Spring Valley. 1250 Comment
  JEPS5970  Madia citriodora Frances D. Payne 1932-6-10 531 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  CAS-BOT-BC342651  Madia citriodora David D. Keck; J. Clausen 1935-6-24 3714 Modoc 3 mi. northeast of Willow Ranch, east of Goose Lake 1550 Comment
  RSA94362  Madia citriodora J. T. Howell 1934-6-11 11923 Modoc Parker Creek, Warner Mts. 1585 Comment
  CAS-BOT-BC49431  Madia elegans Bruce Bartholomew 1994-7-4 6852 Modoc N side of the Pit River along County Road 84, 3.5 km W of State Hwy 299. 1340 Comment
  POM54288  Madia elegans subsp. elegans Milo S. Baker 1899-8-18 s.n. Modoc Little Hot Spring Valley 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
  UC71798  Madia glomerata Mrs. M. H. Manning August 1904 252 Modoc meadows near, ne Modoc County Fort Bidwell 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
  CAS-BOT-BC49416  Madia gracilis Bruce Bartholomew 1989-7-14 4938 Modoc Along Rush Creek between Lower and Upper Rush Creek Campgrounds. 1580 Comment
  HSC5983  Madia gracilis M. T. Milligan 1966-7-7 566 Modoc Slopes and ridges E of Jess Valley 1829 Comment
  UC485310  Madia gracilis W. P. Taylor 1910-6-26 Modoc Parker Creek Warner Mountains, Parker Creek 1676 Comment
  JEPS5997  Madia gracilis Frances D. Payne 1935-7-6 783 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  POM204105  Madia gracilis subsp. gracilis J. T. Howell 1934-6-12 12025 Modoc Warner Mountains: Plum Valley Comment
  RSA540063  Madia gracilis subsp. gracilis Bruce Bartholomew, B. Anderson 1990-7-20 5465 Modoc 4 km N of Buck Creek Ranger Station at turn off to Del Prat Spring, W side of Warner Mts. 1900 Comment
  CAS-BOT-BC242026  Maianthemum racemosum E. S. Willits 1940-6-9 336 Modoc Fandango Pass. Comment
  CAS-BOT-BC242029  Maianthemum racemosum Bruce Bartholomew 1991-6-20 5782 Modoc NE side of Barber Ridge, 10 km NW of Adin on road to Fox Mountain. 1580 Comment
  HSC65534  Malva neglecta Thomas Wood 1979-8-8 209 Modoc 1 mi. S of Ft. Bidwell along Hwy. 1, corner house where road turns W 1372 Comment
  UC748041  Marrubium vulgare Annie M. Alexander and Louise Kellogg 1946-6-22 4812 Modoc upper edge Lake Annie; upper edge of Lake Annie 1524 Comment
  HSC14236  Marrubium vulgare M. T. Milligan 1964-8-8 220 Modoc 3 miles W of Alturas on Modoc County Rd. 54A at Rifle Range. 1372 Comment
  UC375183  Marsilea Milo S. Baker 1893-7-20 Modoc Big Valley Comment
  CAS-BOT-BC498695  Marsilea vestita Louis C. Wheeler 1935-9-18 1616 Modoc Modoc National Forest 1524 Comment
  JEPS65519  Medicago lupulina Frances D. Payne 1932-6-5 414 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  NY717749  Medicago sativa M. J. Williams 1984-6-29 84- 70 --3 Modoc North of Alturas on Highway 395 almost to Oregon border 1433 Comment
  RSA339164  Medicago sativa Margaret J. Williams 1984-6-29 84- 70 -3 Modoc North of Alturas on Hwy 395 almost to Oregon border. Comment
  UC1024673  Melica fugax Leo Whitney 1935-5-18 3082 Modoc ca 15 mi nw Canby (Hackamore); Modoc National Forest, Hackamore 1463 Comment
  UCD87266  Melica fugax Beecher Crampton; Carl Rimbey 1954-7-7 2139 Modoc West side of Cedar Pass, Warner Mountains. 1889 Comment
  SFV18020  Mentha arvensis J. A. Matos, D. C. Rudolph 1999-8-7 s. n. Modoc Pothole Creek near Pothole Spring. Near crossing of Clear Lake Road. 1470 Comment
  UC70386  Mentha canadensis Milo S. Baker July 1898 539 Modoc Forestdale Comment
  CAS-BOT-BC179135  Mentzelia dispersa C. L. Hitchcock 1940-5-27 6690 Modoc 15 mi. NE of Alturas. 1615 Comment
  RSA69712  Mentzelia dispersa F. W. Peirson 1926-6-26 6899 Modoc Roadside, Alturas to Canby. Comment
  CAS-BOT-BC179118  Mentzelia montana Mrs. H. C. Cantelow 1940-6-2 3996 Modoc W of Alturas, road to Lava Beds. Comment
  CAS-BOT-BC179111  Mentzelia veatchiana Bruce Bartholomew 1990-6-17 5334 Modoc Surprise Valley, at the W side of Middle Alkali Lake, directly E of Cedarville. 1370 Comment
  CAS-BOT-BC179116  Mentzelia veatchiana Bruce Bartholomew 1991-6-22 5854 Modoc E side of Surprise Valley, 8.3 km E of Eagleville. 1430 Comment
  CAS-BOT-BC170843  Mentzelia veatchiana Ira L. Wiggins; Dorothy B. Wiggins 1961-6-12 16439 Modoc Sunny hillsdie 4 mi. E of summit of Cedar pass, along Cedar Pass Road Comment
  RSA252485  Menyanthes trifoliata Robert F. Thorne, C. W. Tilforth 1969-9-5 39166 Modoc Modoc National Forest, Warner Mountains, Clear Lake. 1768 Comment
  CAS-BOT-BC54047  Mertensia cusickii Bruce Bartholomew 1994-5-28 6717 Modoc Vicinity of Cold Spring SE of Sugar Hill, W side of Warner Mts. 1880 Comment
  RSA59740  Mertensia oblongifolia E. K. Balls 1950-5-20 14791 Modoc South Fork Public Camp, South Fork Pit River, Likely to Clear Lake. 1433 Comment
  JEPS90178  Mertensia oblongifolia var. nevadensis Dean W. Taylor 1992-5-8 12560 Modoc 0.5 mi e of Moonlite Mines (Warner Mountains, Mount Bidwell); Warner Mountains, Mount Bidwell 2432 Comment
  CAS-BOT-BC54021  Mertensia oblongifolia var. oblongifolia Elmer Ivan Applegate 1932-7-9 7615 Modoc N side of Bidwell Mountain, Warner Mountains Comment
  CAS-BOT-BC58779  Mertensia oblongifolia var. oblongifolia C. L. Hitchcock 1940-5-27 6663 Modoc 12 mi. NE of Alturas. 1615 Comment
  CAS-BOT-BC225955  Micranthes nidifica Bruce Bartholomew 1990-6-15 5249 Modoc Manzanita Mountain in ca. 0.2 km S of turn off to Manzanita Lookout 2040 Comment
  CAS-BOT-BC225965  Micranthes nidifica Bruce Bartholomew; Barrett Anderson 1989-4-30 4717 Modoc Along Ralston Gulch, 2.4 km S of Caldwell Road (Co. road 54). 1450 Comment
  CAS-BOT-BC49392  Microseris laciniata subsp. laciniata Leland S. Smith 1924-6-8 1382 Modoc Egg Lake near SW corner in meadow. 1341 Comment
  CAS-BOT-BC49399  Microseris nutans Annie Montague Alexander; L. Kellogg 1946-6-14 4750 Modoc Meadow, branch to Silver Creek, Patterson Mill Road. 1828 Comment
  HSC6028  Microseris nutans M. T. Milligan 1965-6-27 364 Modoc 1677 Comment
  JEPS6026  Microseris nutans Frances D. Payne 1932-6-22 573 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  UCD118920  Microsteris gracilis R. N. Raynor; E. Berry 1940-4-12 s.n. Modoc Cemetery, Alturas. Comment
  UCSB27157  Microsteris gracilis Wilken, Dieter 1969-7-28 Modoc Mill Creek Falls; near Clear Lake; east of Likely; Warner Mtns 1767 Comment
  JEPS3164  Mimulus breviflorus Frances Payne 1935-7-19 785 Modoc about 12 air mi due e Alturas (at confluence of Dry and Parker Creeks); Warner Mountains Comment
  UCD122535  Mimulus evanescens S. E. Schoenig 1998-7-5 98- 70 Modoc SW shore of Moll Reservoir, 2 meters from waters edge. 1499 Comment
  HSC20751  Mimulus guttatus M. T. Milligan 1965-6-23 298 Modoc N end Jess Valley 1616 Comment
  UC71678  Mimulus guttatus Mrs. M. H. Manning 1902-5 47 Modoc near Fort Bidwell Comment
  UC446466  Mimulus lewisii M. F. Gilman 526 Modoc Warner Mts. 1981 Comment
  UC445218  Mimulus moschatus var. longiflorus Franklin P. Nutting Modoc near Forestdale; Taylor Creek Comment
  CAS-BOT-BC234453  Mimulus nanus Bruce Bartholomew 1991-6-20 5787 Modoc Top of Fox Mountain, ca. 10 airline km NW of Adin. 1900 Comment
  HSC20816  Mimulus nanus var. nanus M. T. Milligan 1967-7-8 666 Modoc W slope of Eagle Peak 2378 Comment
  HSC72414  Mimulus primuloides var. primuloides J. P. Smith, J. O. Sawyer 1973-8-9 7273 Modoc Blue Lake, Modoc National Forest 1829 Comment
  RSA535786  Mimulus pygmaeus David M. Thompson 1988-6-3 929 Modoc Lookout Junction. 1300 Comment
  JEPS86346  Mimulus tilingii Jack and Betty Guggolz 1988-7-4 976 Modoc West Branch of Bidwell Creek Comment
  CAS-BOT-BC95211  Minuartia douglasii Bruce Bartholomew 1995-6-1 6916 Modoc NW edge of Little Hot Spring Valley NW of Day. 1080 Comment
  RSA594829  Minuartia douglasii Bruce Bartholomew 1993-6-12 6585 Modoc Road to Day Rock from Little Hot Spring Valley. 1250 Comment
  UC465889  Minuartia douglasii Franklin P. Nutting Modoc Big Valley Mts. Comment
  UCSB48513  Minuartia nuttallii Hardham, Clare 1961-6-20 Modoc Bidwell road to Dismal Creek 2438 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-BC225802  Mitella pentandra Elmer Ivan Applegate 1932-7-7 8240 Modoc Lily Lake, Bidwell Pass, Warner Mts. Comment
  NY758255  Mitella pentandra R. M. Austin 08 1894 s.n. Modoc Lassen Creek Comment
  RSA504662  Monardella odoratissima Bruce Bartholomew 1988-7-23 4554 Modoc Road beyond Poison Lake 8km S of the road from Hwy 395 to Lily Lake, Warner Mountains. 2140 Comment
  CAS-BOT-BC179366  Monardella odoratissima subsp. glauca Alice Eastwood; John Thomas Howell 1940-6-13 8175 Modoc E side of Cedar Pass. Comment
  CAS-BOT-BC179369  Monardella odoratissima subsp. glauca Leland S. Smith 1419 Modoc Happy Camp. Comment
  CHSC109746  Monardella odoratissima subsp. glauca B. Castro; L. P. Janeway 2012-7-26 1970 Modoc Warner Mountains. Top of Yellow Mountain; topmost part and western edge (at the edge of a steep dropoff to the northwest). 2453 Comment
  JEPS63408  Monardella odoratissima subsp. glauca W. L. Jepson 1918-8-7 7868 Modoc Mt. Bidwell Warner Mts. 2286 Comment
  JEPS81094  Monardella odoratissima subsp. glauca G. Schoolcraft 1979-7-17 148 Modoc Above Stowe Reservoir 2072 Comment
  RSA0036438  Monardella odoratissima subsp. glauca B. Castro, L. P. Janeway 2012-7-24 1947 Modoc Warner Mountains. Along Forest Road/County Road 2 (the road from New Pine Creek to Fort Bidwell) 0.6 air mi west of Lily Lake and 0.9 air mi northwest of Yellow Mountain. 1948 Comment
  UC634866  Monardella odoratissima subsp. glauca F. H. Frost 1925-7-25 162 Modoc Eagle Peak Warner Mts. Comment
  CAS-BOT-BC222000  Monardella odoratissima subsp. glauca Clare B. Hardham 1975-8-1 20585 Modoc Rimrock west of Lake City 2438 Comment
  RSA793423  Monardella odoratissima subsp. odoratissima J. D. Jokerst 1990-8-1 3206 Modoc Lava Beds National Monument, summit and upper west-facing slope of Caldwell Minor near east edge of monument boundary. 1402 Comment
  CAS-BOT-BC179359  Monardella odoratissima subsp. pallida Bruce Bartholomew 1990-8-5 5666 Modoc Summit Trail, ca. 3 km N of Patterson Ranger Station, W side of Warner Mts. 2440 Comment
  CAS-BOT-BC179361  Monardella odoratissima subsp. pallida Elmer Ivan Applegate 1932-8-1 7997 Modoc N of Mill Creek Meadows. Comment
  SEINET3996536 Image available Monardella odoratissima var. ovata Annie M. Alexander, Louise Kellogg 1946-7-23 5060 Modoc Warner Mountains; east slope of Emerson Peak Comment
  CAS-BOT-BC197518  Montia chamissoi Bruce Bartholomew 1991-7-7 6006 Modoc Pot Hole Spring. 1890 Comment
  CAS-BOT-BC197519  Montia chamissoi Roxana Stinchfield Ferris; R. Duthie 1919-6-13 25 Modoc Parker Creek near Nat. Forest Boundary. Comment
  HSC17743  Montia chamissoi M. T. Milligan 1964-7-25 178 Modoc Pine Creek Basin, along trail. 2439 Comment
  JEPS43253  Montia chamissoi Milo S. Baker 1893-7-1 Modoc 1371 Comment
  CAS-BOT-BC197504  Montia linearis Bruce Bartholomew; M; M. Gilbert; L. E. Skog 1993-5-12 6525 Modoc W side of Whitehorse Reservoir. 1360 Comment
  UC71834  Montia linearis Mrs. M. H. Manning 1903-5-1 99 Modoc near Fort Bidwell (in north-eastern Modoc County) Comment
  SBBG117349  Muhlenbergia asperifolia B. Crampton 1954-7-8 2187 Modoc ca. 1.5 mi W of Alturas, extension of 4th St Comment
  UCD86513  Muhlenbergia asperifolia Beecher Crampton 1954-7-8 2187 Modoc Modoc County, 1.5 miles west of Alturas, extension of 4th Street. Comment
  UCR136426  Muhlenbergia asperifolia Beecher Crampton 1954-7-9 2187 Modoc Modoc Plateau, 1.5 miles west of Alturas, extension of 4th Street 1311 Comment
  UC1025045  Muhlenbergia filiformis Leo Whitney 1935-8-19 3624 Modoc ca 15 mi nw Canby; Modoc National Forest, Lake Joaquina, Hackamore 1463 Comment
  UCD86622  Muhlenbergia filiformis August L. Hormay 1932-7-15 s.n. Modoc Modoc National Forest, Crowder Ranger Station. Comment
  CHSC109678  Muhlenbergia richardsonis Lowell Ahart; John Dittes 2012-7-10 18325 Modoc Along the south side of the drainage, northwest of the old homestead, Ash Creek State Wildlife Area, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  SEINET182275 Image available Muhlenbergia richardsonis L. C. Wheeler 1935-8-21 3901 Modoc Pine Springs Devils Garden 1524 Comment
  SEINET4343716 Image available Muhlenbergia richardsonis Unknown 1988-6-18 7609 Modoc West side of Hwy 139 just south of where it crosses railroad at junction to Clear Lake, NE of Dry Lake east of Lava Beds National Monument 1250 Comment
  JEPS20005  Myosurus apetalus M. H. Manning May, 1903 119 Modoc Ft. Bidwell Comment
  CAS-BOT-BC392256  Myosurus apetalus E. K. Balls 1950-5-14 14693 Modoc 2.5 mi. n. of boundary Modoc Nat'l Forest, junction of roads to Emigrant Spring, Thomas Reservoir and Dead Horse Reservoir 1524 Comment
  UC1101354  Myosurus apetalus Herbert L. Mason 1957-6-21 14704 Modoc w side of Said Valley Comment
  CHSC107333  Myosurus minimus Lowell Ahart; John Dittes 2011-6-21 17519 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
  CHSC85126  Myosurus minimus John Dittes; Josephine Guardino 1991-6-1 353 Modoc Modoc Plateau; Big Valley; Ash Creek Wildlife Area; ca. 7.7 air-miles northeast of Bieber, ca. 4.0 air-miles west by southwest of Adin, ca. 5.0 air-mile east by southeast of Pilot Butte summit, ca. 0.6 mile east of Walters Road and Owl Barn; meadow at southern edge of Ash Creek Floodplain. 1271 Comment
  JEPS118476  Myosurus minimus Lowell Ahart, John Dittes 2011-6-21 17519 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
  UC1738098  Myosurus minimus H. L. Mason 1957-6-3 65 Modoc Margin of pond on Timber Mountain. Comment
  CDA37314  Myriophyllum sibiricum B. Villegas 2008-7-24 s.n. Modoc Alturas; Modoc National Wildlife Refuge; Dorris Canal. 0 Comment
  RSA27960  Myriophyllum sibiricum C. L. Hitchcock 1940-5-28 6722 Modoc 15 miles north of Alturas, (near Surprise). 1402 Comment
  CAS-BOT-BC179312  Nama densa Bruce Bartholomew 1993-6-13 6622 Modoc Near Fortynine Creek, E of Cedarville on E side of Surprise Valley. 1400 Comment
  CAS-BOT-BC198018  Navarretia breweri Mrs. H. C. Cantelow 1940-6-2 4146 Modoc 10 mi. NW of Canby, road to lava beds. Comment
  NY1012733  Navarretia breweri A. J. Cronquist 1959-6-20 8528 Modoc Cedarville Pass; Warner Mountains between Cedarville and Alturas 1920.2 Comment
  RSA164296  Navarretia breweri Clare B. Hardham 1961-6-18 7817 Modoc Cedar Pass Comment
  RSA91922  Navarretia breweri Beecher Crampton 1954-7-7 2144 Modoc Cedar Pass Summit, Warner Mountains 1921 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
  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
  CAS-BOT-BC198004  Navarretia divaricata subsp. vividior John Thomas Howell 1934-7-1 12323 Modoc Duncan Horse Camp. 1355 Comment
  CAS-BOT-BC197999  Navarretia divaricata subsp. vividior Mrs. Annie F. Rodda 1932-7-1 s.n. Modoc Between Macarthur and Alturas. Comment
  CAS-BOT-BC197996  Navarretia heterandra Alice Eastwood; John Thomas Howell 1940-6-15 8294 Modoc 9 mi. N of Lookout. Comment
  CAS-BOT-BC197991  Navarretia intertexta subsp. intertexta Bruce Bartholomew; Barrett Anderson 1990-7-20 5460 Modoc 4 km N of Buck Creek Ranger Station at turn off to Del Prat Spring, W side of Warner Mts. 1900 Comment
  UC133669  Navarretia intertexta subsp. propinqua Milo S. Baker 1899-8-24 Modoc Forestdale Comment
  JEPS70412  Navarretia intertexta subsp. propinqua Frances D. Payne 1929-6-29 33 Modoc s and e of Alturas; Warner Mountains, Parker Creek 1584 Comment
  SEINET14152015  Navarretia leucocephala subsp. minima M. J. Williams 1984-6-28 84- 66 -2 Modoc 0.2 mi E of Hwy 395 at Ravendale. 1524 Comment
  SJSU9533  Navarretia leucocephala subsp. minima W. Savage 1979-6-20 1270 Modoc S margin of Bottle Cr Reservoir, Triangle, Devils Garden District, Modoc National Forest 1493 Comment
  UC1191635  Navarretia linearifolia subsp. linearifolia Herbert L. Mason 1947-8-8 13455 Modoc nw Alturas (Ingalls Swamp); n of Big Sage Reservoir, Ingalls Swamp Comment
  UC932007  Navarretia sinistra Verne Grant, Alva Grant 1947-7-13 8015 Modoc Fandango Pass Warner Mountains, Fandango Pass Comment
  CAS-BOT-BC95149  Nemacladus capillaris Bruce Bartholomew; Barrett Anderson 1988-6-25 4399 Modoc Ryan Canyon, N of Adin. 1390 Comment
  CHSC112141  Nemacladus capillaris Dean Wm. Taylor 2012-6-19 21244 Modoc Mouth of Baggett Gulch (ca 3 air miles S of Canby), Modoc National Forest. 1463 Comment
  CAS-BOT-BC7186  Nemophila austiniae R. M. Austin 1885-6-1 s.n. Modoc Davis Creek Comment
  JEPS1527  Nemophila breviflora L. Constance 1938-6-12 2332 Modoc 13.4 mi ne Alturas (edge of Thombs Creek at foot of Bonner Grade, Cedar Pass Road, western foothills of the Warner Range); western foothills of Warner Range, Thombs Creek 1524 Comment
  RSA76028  Nemophila breviflora Lincoln Constance 1938-6-12 2332 Modoc Edge of Thombs Creek at foot of Bonner Grade, Cedar Pass Road, 13.4 miles NE of Alturas, western foothills of the Warner Range 1524 Comment
  UC1021924  Nemophila breviflora Rolf Y. Berg 1955-6-22 Modoc w Cedarville (Cedar Pass Campground, Modoc National Forest); Modoc National Forest, w of Cedarville Comment
  CAS-BOT-BC179305  Nemophila parviflora var. austiniae Bruce Bartholomew; Barrett Anderson 1988-5-12 4114 B Modoc S side of Egg Lake. 1300 Comment
  CAS-BOT-BC179282  Nemophila pedunculata Lincoln Constance 1938-6-12 2337 Modoc Margin of Rush Creek, 8 mi. NE of Adin. 1524 Comment
  CAS-BOT-BC179294  Nemophila pedunculata Edward Kent Balls 1950-5-18 14758 Modoc N of Upper Rush Creek Public Camp, 2.5 mi. E of Hwy 299. 1737 Comment
  UC1178999  Nemophila pedunculata Herbert L. Mason 1947-7-8 13313 Modoc Cedar Pass , Cedar Pass (summit Warner Range) 1920 Comment
  UC71581  Nemophila pedunculata Mrs. M. H. Manning 1903-5-5 107 Modoc near Fort Bidwell (in north-eastern Modoc County); near Fort Bidwell Comment
  UC20411  Neoholmgrenia andina Mrs. R. M. Austin June, 1894 Modoc Goose Lake Valley Comment
  CAS-BOT-BC349857  Nestotus stenophyllus Mrs. C. C. Bruce 1898-6-1 2184 Modoc Lake City Mt Comment
  CDA41133  Nicotiana attenuata T. C. Fuller 1958-7-9 s.n. Modoc Highway 299, Modoc National Forest, 10 miles east of Adin. 0 Comment
  HSC26500  Nothocalais troximoides J. P. Smith, J. O. Sawyer 1972-5-6 5252 Modoc County Rd. 86, just E of Adin. 1098 Comment
  CAS-BOT-BC190808  Oenothera elata subsp. hirsutissima Mrs. M. H. Manning 1904-7-1 209 Modoc Fort Bidwell. Comment
  CAS-BOT-BC190809  Oenothera elata subsp. hirsutissima Belknap C. Goldsmith 1912-8-5 69 Modoc W side of Goose Lake. 1463 Comment
  JEPS118470  Oenothera flava Lowell Ahart, John Dittes 2011-6-21 17515 Modoc About 200 yards west of the fence, south edge of the meadow, Ash Creek State Wildlife Area, about 2,000 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley 1267 Comment
  CAS-BOT-BC190801  Oenothera flava subsp. flava Milo Samuel Baker 1893-7-20 s.n. Modoc Lava Beds. Comment
  HSC16544  Oenothera villosa subsp. strigosa M. T. Milligan 1964-8-9 226 Modoc Clear Lake Rd., 0.5 mi. W of Mill Creek, Jess Valley 1677 Comment
  CAS-BOT-BC245087  Olsynium douglasii var. douglasii Bruce Bartholomew; Mona Bourell 1990-4-28 5197 Modoc 4.5 km SE of Davis Creek on road to Plum Valley camp ground. 1730 Comment
  UC190690  Olsynium douglasii var. douglasii M. F. Gilman 581 Modoc Modoc Co. Hills 1676 Comment
  RSA128680  Onopordum acanthium T. C. Fuller 1959-7-8 2795 Modoc S/4th St., E/East St., Alturas Comment
  UCD134667  Onopordum acanthium T. C. Fuller 1959-7-8 B Modoc south side of 4th Street, east of East Street, Alturas. Comment
  JEPS26037  Onopordum acanthium subsp. acanthium T. C. Fuller 1959-7-8 2795 Modoc Alturas; S/4th St., E/East St. Comment
  CAS-BOT-BC50378  Oreostemma alpigenum var. andersonii Annie Montague Alexander; L. Kellogg 1946-8-9 5131 Modoc Near lake, Patterson Lake Trail, Warner Mountains Comment
  CAS-BOT-BC190793  Orobanche corymbosa Roxana Stinchfield Ferris; L. Lorraine 1941-8-14 10593 A Modoc 3 mi. from Patterson Ranger Station on road to Eagleville. Comment
  CAS-BOT-BC95700  Orthilia secunda Bruce Bartholomew 1989-8-12 5120 Modoc South Fork of Pine Creek where it crosses West Warner Road, W side of Warner Mountains. 1900 Comment
  HSC80762  Orthilia secunda G. M. Riegel 1980-8-12 1039 Modoc S Warner Mtns. 1670 Comment
  NY762091  Orthilia secunda B. M. Bartholomew 1988-7-23 4574 Modoc Dismal Swamp, Warner Mountains. Fort Bidwell 15' Quad. 2180 Comment
  CAS-BOT-BC232178  Orthocarpus cuspidatus subsp. copelandii Frank Warrington Peirson 1926-6-25 6871 Modoc Cedarville Pass. Comment
  CAS-BOT-BC232317  Orthocarpus cuspidatus subsp. copelandii Barrett Anderson 1986-7-9 3155 Modoc Hwy 299 just W of Cedar Pass, Warner Mountains 1920 Comment
  UC711900  Orthocarpus cuspidatus subsp. cryptanthus Roxana S. Ferris and Laura Lorraine 1941-8-14 10590 Modoc on road to Eagleville three mi from Patterson Ranger Station (Warner Mountains); Modoc National Forest, Warner Mountains Comment
  JEPS27957  Orthocarpus cuspidatus subsp. cryptanthus Frances D. Payne 1929-7-26 111 Modoc just nw Warren Peak (rocky flat above Walls Field, between Shields Creek and Pine Creek); w slope of the Warner Range, just nw of Warren Peak 2316 Comment
  JEPS66443  Orthocarpus cuspidatus subsp. cryptanthus L. R. Heckard and P. Rubtzoff 1971-8-3 2704 Modoc at junction of Soldier Creek and Old Cannon Mill rds 2 mi n of summit (e) Cedarville Pass; Warner Mts. 1859 Comment
  SEINET13756763  Orthocarpus cuspidatus subsp. cryptanthus M. J. Williams 1962-7-8 s. n. Modoc Warner Mountains, Cedar Pass 2073 Comment
  RSA504599  Orthocarpus hispidus Bruce Bartholomew, B. Anderson 1988-6-23 4282 Modoc Widow Valley, 18.0 km W of Day on County Road 94. 1230 Comment
  CAS-BOT-BC15732  Osmorhiza chilensis Bruce Bartholomew; Barrett Anderson 1990-7-19 5420 Modoc Top of Hunters Ridge S of Rush Creek. 1960 Comment
  CAS-BOT-BC15739  Osmorhiza chilensis Elmer Ivan Applegate 1932-7-31 7962 Modoc Mill Creek Meadow. Comment
  HSC21591  Osmorhiza occidentalis M. T. Milligan 1966-7-3 548 Modoc Slopes and ridges E of Jess Valley 1829 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
  UC21056  Osmorhiza occidentalis Mrs. R. M. Austin and Bruce June, 1898 2263 Modoc Lake City Mt. 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
  UC748317  Oxyria digyna Annie M. Alexander and Louise Kellogg 1946-7-23 5058 Modoc Emerson Peak; Warner Mountains, Emerson Peak Comment
  UCR34759  Oxyria digyna J. A. Harpel 1981-8-6 V- 43 Modoc Warner Mtns, South Warner Wilderness Area: E end of Patterson Lake, 7 mi NW of Eagleville 2744 Comment
  CAS-BOT-BC248348  Packera cana B. Bartholomew; H. Sun 2002-6-24 8831 Modoc Ca. 1 km NW of Bald Mt., E side of the Warner Mountains 2290 Comment
  CAS-BOT-BC50310  Packera cana Mrs. H. C. Cantelow 1940-6-2 Modoc W of Alturas on road to lava beds, Klamath Falls Highway. Comment
  CAS-BOT-BC50350  Packera cana Bruce Bartholomew 1991-6-21 5831 Modoc W side of Goose Lake, 1.4 km N of junction with Forest Service road 73. 1450 Comment
  JEPS6007  Packera cana Frances D. Payne 1932-6-22 572 Modoc s and e of Alturas; Warner Mountains, Parker Creek 1584 Comment
  UC190691  Packera cana M. F. Gilman 592 Modoc 1676 Comment
  JEPS30372  Packera eurycephala Peter H. Raven 1962-5-29 17892 Modoc 6 mi e Alturas Comment
  CAS-BOT-BC50322  Packera eurycephala var. eurycephala R. M. Austin; C. C. (Mrs.) Bruce 1898-6-1 2185 Modoc Likely. Comment
  CAS-BOT-BC50269  Packera eurycephala var. eurycephala Leland S. Smith 1404 Modoc Lava Beds, West Lava Ranger Station. 1280 Comment
  UC726437  Packera eurycephala var. eurycephala A. A. Heller 1941-6-25 16202 Modoc 1.0 mi or more from (w side) foot of Cedar Pass grade (on the Cedarville road) Comment
  CHSC70718  Packera pseudaurea var. pseudaurea A. Sanger 1997-6-11 2567 Modoc Tri-tip meadow to the west of road where it runs north to south, at old beaver dam site. 1511 Comment
  POM275207  Paeonia brownii A. M. Alexander, Louise Kellogg 1946-6-15 4778 Modoc Deep Creek 2165 Comment
  RSA281693  Paeonia brownii S. O. Mattoon 1979-7-13 95 Modoc Patterson Meadows at Patterson G. S., S. Warner Mountains 22 air miles east of Highway 395 at Likely 2195 Comment
  UC1237946  Paeonia brownii John Weiler and A. P. Nelson May 26 1961-May 29 1961 61221 Modoc Cedar Pass Warner Mountains (steep slopes above hwy) Comment
  RSA210775  Panicum capillare J. Henrickson, C. W. Tilforth 1969-9-3 39025 Modoc at SE end of Tule Lake Sump 0.5 mile N of turnoff to Lava Beds National Monument, (2.2 miles E. of NE entrance to monument) 1265 Comment
  SEINET10609328  Panicum capillare var. brevifolium Louis C. Wheeler 1935-9-13 Wheeler 3984 Modoc Among rocks in dry sunny stream bed. Fletcher Creek at Pease Place, Devil's Garden. S32 T47N, R12E. 1524 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
  SD58433  Paxistima myrsinites L. S. Smith 1922-5-28 Modoc Happy Camp Mountain below ridge. 1675 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
  HSC80739  Pedicularis attollens G. M. Riegel 1980-8-9 1002 Modoc S Warner Mtns. 1670 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
  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-BC232301  Pedicularis groenlandica subsp. surrecta Francis Dorris Payne 1929-7-7 66 Modoc Pine Creek Basin, Warner Mountains 2316 Comment
  CAS-BOT-BC232306  Pedicularis groenlandica subsp. surrecta Bruce Bartholomew; Barrett Anderson 1988-6-24 4341 Modoc Cave Lake, W side of the Warner Mts.. 2130 Comment
  UC103244  Pedicularis semibarbata Mrs. R. M. Austin 1894-1 147 Modoc Lassen Creek Comment
  RSA0025567  Penstemon John F. Emmel 1996-7-16 1438 Modoc Larkspur Hills east of Surprise Valley. Gentle slope north of road, along County Road 6, ca. 0.5 road mi WNW of Schamp Creek crossing. 1524 Comment
  RSA185402  Penstemon davidsonii subsp. davidsonii Clare B. Hardham 1961-6-19 7886 Modoc Road from Mount Bidwell to Dismal Creek. 2439 Comment
  UC1594766  Penstemon davidsonii var. davidsonii David Charlet 1988-8-12 153 Modoc Warner Peak South Warner Mountains 2956 Comment
  JEPS123496  Penstemon deustus Wilson Collison, Jaileen Merced 2015-7-25 CA 320 -140 Modoc To Road 54 SW from Alturas town, take dirt road on the left before Canyon (4783). Keep straight 4 mi up to dry pit. Comment
  CAS-BOT-BC232372  Penstemon deustus var. pedicellatus Elmer Ivan Applegate 1932-8-2 8070 Modoc Mill Creek Meadows. Comment
  JEPS11230  Penstemon deustus var. pedicellatus Mrs. M. H. Manning 1907-5-1 Modoc Twelve Mile Creek, ne Modoc County Twelve Mile Creek Comment
  UC748183  Penstemon gracilentus Annie M. Alexander and Louise Kellogg 1946-7-24 5079 Modoc Bear Camp Flat Warner Mountains, Bear Camp Flat 2286 Comment
  UC27452  Penstemon gracilentus Milo S. Baker 1893-6 Modoc Comment
  RSA149144  Penstemon humilis I. L. Wiggins, Dorothy Wiggins 1961-6-15 16503 Modoc 22 mi. W of Canby, along Highway 139 Comment
  CAS-BOT-BC497316  Penstemon laetus subsp. roezlii Belknap C. Goldsmith 1912-8-6 86 Modoc West side of Goose Lake 1463 Comment
  SJSU7659  Penstemon laetus var. sagittatus R. L. Fisher 1958-6-13 Modoc near Adin Pass c. 6 mi S of Canby 1524 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-BC245573  Penstemon roezlii Alice Eastwood; John Thomas Howell 1940-6-12 8090 Modoc Jess Valley. Comment
  NY650125  Penstemon roezlii R. M. Austin 06 1894 6438 Modoc Willow Creek Valley Comment
  NY650133  Penstemon roezlii C. L. Hitchcock 1940-5-27 6651 Modoc 9 miles northeast of Alturas 1402.1 Comment
  POM260862  Penstemon roezlii Alice Eastwood, John T. Howell 1940-6-13 8189 Modoc West side of Cedar Pass. Comment
  UC690358  Penstemon roezlii David D. Keck and J. Clausen 1935-6-24 3712 Modoc 3 mi ne Willow Ranch (e of Goose Lake); , ne of Willow Ranch 1550 Comment
  JEPS27802  Penstemon roezlii Frances D. Payne 1929-6-28 29 Modoc Parker Creek Warner Mts., Parker Creek 1584 Comment
  NY650110  Penstemon roezlii B. M. Bartholomew 1988-6-23 4246 Modoc 4.2 km northwest of Day. Fall River Mills 15' Quad. 1020 Comment
  NY650111  Penstemon roezlii B. M. Bartholomew 1988-6-25 4392 Modoc 5.6 km northwest of State Highway 299 on County Road 73. Big Sage Reservoir 15' Quad. 1500 Comment
  SEINET183710  Penstemon roezlii L. Constance 1938-6-12 2335 Modoc Near foot of Banner Grade Cedar Pass rd 12.8 mi NE of Alturas W foothills of Warner Range 1463 Comment
  UC727339  Penstemon roezlii Elmer I. Applegate 1929-6-24 5886 Modoc along Pitt River above Adin; along Pitt River Comment
  RSA11914  Penstemon rydbergii var. oreocharis Elmer I. Applegate 1932-7-9 7595 Modoc North slope of Bidwell Mountain, Warner Mountains Comment
  RSA401856  Penstemon rydbergii var. oreocharis G. Willett 1935-6-14 s.n. Modoc 4 mi E of Likely. 1524 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-BC245544  Penstemon speciosus C. C. (Mrs.) Bruce 1893-7-1 81 Modoc Davis Creek. Comment
  CAS-BOT-BC245547  Penstemon speciosus Elmer Ivan Applegate 1939-7-9 7579 Modoc Bidwell Mountain. Comment
  HSC21057  Penstemon speciosus M. T. Milligan 1966-8-3 632 Modoc W slope of Eagle Peak 2439 Comment
  SJSU7655  Penstemon speciosus R. L. Fisher 1958-6-13 Modoc Hwy 299 c. 10 mi W of Alturas Comment
  CAS-BOT-BC214734  Peraphyllum ramosissimum Leland S. Smith 1920-7-4 1170 Modoc Plateau, W of Alturas. 1524 Comment
  SBBG2991  Peraphyllum ramosissimum H. and M. Dearing 1939-6-7 3587 Modoc W of Alturas 1310 Comment
  SEINET194803  Perideridia lemmonii A. A. Heller 1941-6-25 16208 Modoc South of Big Sage Reservoir NW of Alturas. Comment
  RSA32026  Perideridia oregana A. A. Heller 1941-6-25 16208 Modoc On the plateau south of Big Sage Reservoir northwest of Alturas Comment
  CAS-BOT-BC95156  Peritoma platycarpa Mrs. H. C. Cantelow 1940-5-31 3059 Modoc 7.3 mi W of Alturas. Comment
  HSC12269  Persicaria amphibia Richard Spjut 1970-7-20 488 Modoc 4 mi. W of Davis Creek 1418 Comment
  UC1051789  Phacelia L. R. Heckard 1952-6-19 312 a Modoc just below summit of Fandango Pass (sw of Fort Bidwell); Warner Mountains 1828 Comment
  CHSC115561  Phacelia egena Lowell Ahart; John Dittes 2015-7-15 20339 Modoc About 400 yards northeast of the old barn, on the south side of the overgrown road, Ash Creek State Wildlife Area, about 3.9 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1269 Comment
  CAS-BOT-BC179270  Phacelia hastata subsp. hastata Elmer Ivan Applegate 1932-8-1 7964 Modoc Mill Creek Meadow, W slope of Warner Mts. Comment
  CAS-BOT-BC95632  Phacelia hastata subsp. hastata Alice Eastwood; John Thomas Howell 1940-6-13 8119 Modoc Surprise Valley. Comment
  SJSU9627  Phacelia heterophylla subsp. virgata W. Savage 1979-7-7 1441 Modoc Triangle, Fairchild Swamp Unit, Devils Garden District, Modoc National Forest 1499 Comment
  JEPS4035  Phacelia heterophylla subsp. virgata Frances D. Payne 1929-6-22 18 Modoc s and e Alturas; Warner Mountains, Parker Creek Comment
  SJSU11215  Phacelia heterophylla subsp. virgata R. L. Fisher 1958-6-13 Modoc near Adin Pass on Canby-Adin Rd c. 6 mi S of Canby 1524 Comment
  JEPS2125  Phacelia humilis Mrs. M. H. Manning 1907-1 420 Modoc 12 Mile Creek Mt. Bidwell (e side of mt., ne Modoc Co.) Comment
  UC35540  Phacelia humilis Mrs. R. M. Austin Aug. 1894 Modoc Lassen Creek Comment
  UC735037  Phacelia humilis Lincoln Constance 1946-7-4 3102 Modoc above Thom's Creek (17 mi ne of Alturas); Warner Mountains 1676 Comment
  UC881155  Phacelia humilis C. L. Hitchcock 1940-5-27 6678 Modoc 15 mi ne Alturas 1615 Comment
  JEPS4039  Phacelia humilis Frances D. Payne 1931-6-21 229 Modoc ridge w Dry Creek (creek is tributary of Parker Creek, s and e of Alturas); Warner Mountains Comment
  CAS-BOT-BC179991  Phacelia humilis var. humilis John Thomas Howell 1934-6-13 12062 Modoc Fandango Pass. 1828 Comment
  CAS-BOT-BC179996  Phacelia humilis var. humilis Francis Dorris Payne 1931-6-25 273 Modoc Middle Fork Pine Creek. 2133 Comment
  CAS-BOT-BC179999  Phacelia humilis var. humilis Mrs. H. C. Cantelow 1940-6-1 Modoc Cedar Pass Summit. Comment
  POM299083  Phacelia humilis var. humilis Alice Eastwood, J. T. Howell 1940-6-13 8185 Modoc West side of Cedar Pass. Comment
  JEPS91347  Phacelia linearis Dean W. Taylor 1988-6-4 9749 Modoc W shore Mud Lk, 2.6 miles South20degreesEast of Damon's Butte 1341 Comment
  UC881174  Phacelia linearis Lewis S. Rose 1940-6-14 40584 Modoc 5 mi w Perez; Mammaoth Cave 1280 Comment
  CAS-BOT-BC179945  Phacelia mutabilis Barrett Anderson 1986-7-9 3171 Modoc Stough Reservoir Rd just E of Cedar Pass near Stough Reservoir. 1965 Comment
  UCR34490  Phacelia mutabilis J. A. Harpel 1981-8-7 V- 49 Modoc Warner Mtns, South Warner Wilderness Area: Pine Creek Basin Trail, 7 mi NW of Eagleville 2652 Comment
  CAS-BOT-BC179929  Phacelia ramosissima var. eremophila John Thomas Howell 1934-6-13 12071 Modoc Fandango Pass. 1828 Comment
  HSC81053  Phacelia sericea G. M. Riegel 1980-9-4 1150 Modoc South Warner Mtns. Comment
  CAS-BOT-BC179926  Phacelia sericea var. ciliosa Robert Patterson; Mona Bourell 1993-8-15 5246 Modoc Warner Mountains. Along trail from Patterson Lake to ca. 2 mi north towards Pepperdine Trailhead. 2743 Comment
  CAS-BOT-BC179921  Phacelia tetramera Bruce Bartholomew; M; M. Gilbert; L. E. Skog 1993-5-10 6458 Modoc Near Eagleville Airport, E side of Surprise Valley. 1400 Comment
  OBI48669  Phacelia thermalis Lewis S. Rose 1940-6-12 40537 Modoc 10 mi S of Alturas 1341 Comment
  HSC10587  Phleum alpinum M. T. Milligan 1964-7-25 175 Modoc Pine Creek Basin, along trail. 2439 Comment
  CAS-BOT-BC247597  Phleum pratense Bruce Bartholomew; Barrett Anderson 1988-7-22 4477 Modoc Vicinity of East Creak Trailhead, southern end of the Warner Mts. 2210 Comment
  HSC2313  Phleum pratense M. T. Milligan 1964-7-20 156 Modoc N end of Jess Valley, near Mill Creek. 1677 Comment
  UC70660  Phleum pratense Mrs. M. H. Manning 1904-7-7 418 Modoc north-eastern Modoc County Comment
  UCR87514  Phlox condensata George K. Helmkamp, E. A. Helmkamp 1993-5-4 s.n. Modoc 25.6 miles NW of Canby along Calif. Hwy 139 1280 Comment
  CAS-BOT-BC197945  Phlox diffusa Annie Montague Alexander; L. Kellogg 1946-6-27 4845 Modoc Highgrade, top of ridge, 2 mi. by road from Dismal Swamp. 2377 Comment
  HSC81027  Phlox diffusa G. M. Riegel 1978-6-26 28 Modoc S Warner Mtns. 1739 Comment
  JEPS26567  Phlox diffusa Lauramay T. Dempster 1961-6-18 1691 Modoc just s Cedar Pass Comment
  UC194970  Phlox diffusa W. P. Taylor and H. C. Bryant 1910-7-1 Modoc Summit of Warren Peak Warner Mountains, Warren Peak Comment
  CAS-BOT-BC197926  Phlox douglasii subsp. rigida Roxana Stinchfield Ferris; R. Duthie 1919-6-14 117 Modoc Near Parker Creek. 1981 Comment
  CAS-BOT-BC197929  Phlox douglasii subsp. rigida Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16392 Modoc 5 mi. E of Hwy 299 along Cedar Pass road. Comment
  UCR66592  Phlox douglasii subsp. rigida Christopher Davidson 1975-6-4 2604 Modoc Hwy 299 (toward Cedarville), 2.2 mi. east of hwy 395 1500 Comment
  CAS-BOT-BC197921  Phlox douglasii subsp. rigida John H. Hatton 1911-6-12 43 Modoc Modoc County. 1463 Comment
  RSA165593  Phlox douglasii subsp. rigida Clare B. Hardham 1961-6-18 7593 Modoc Warner Mountains: Headwaters Davis Creek. 2134 Comment
  UC879774  Phlox gracilis C. L. Hitchcock 1940-5-27 6685 Modoc 15 mi ne Alturas 1615 Comment
  CAS-BOT-BC197884  Phlox hoodii subsp. canescens Bruce Bartholomew 1993-6-14 6659 Modoc 8.7 km E of County Road 114 on County Road 108, NW of Clear Lake Reservoir. 1450 Comment
  CAS-BOT-BC197892  Phlox hoodii subsp. canescens Barrett Anderson 1986-7-10 3193 Modoc West Warner Rd N of the North Fork of Pine Creek. 1965 Comment
  HSC26501  Phlox hoodii subsp. canescens J. P. Smith, J. O. Sawyer 1972-5-6 5253 Modoc County Rd. 86, just E of Adin. 1098 Comment
  HSC68923  Phlox hoodii subsp. canescens Gary Schoolcraft 1980-4-17 207 Modoc W of Wade Williams Spring, S of Alturas. 1463 Comment
  UC73609  Phlox hoodii subsp. canescens Milo S. Baker 1890-1 Modoc Big Valley Comment
  RSA469949  Phlox longifolia subsp. brevifolia J. P. Smith, J. O. Sawyer 1972-5-6 5269 Modoc Along State Route 299; 4 miles west of Modoc Co. Road 58 east of Alturas. 1494 Comment
  SEINET7073581  Phlox pulvinata A. G. Vestal 1955-5-18 s.n. Modoc About 3.2 miles east of Aden on Route 87. UTM Zone 10, 666674mE, 4563618mN. Coordinate datum: NAD27. Comment
  HSC17180  Phlox stansburyi M. T. Milligan 1964-4-25 Modoc 1 mi. up Barns Grade Rd. at stock pens Comment
  RSA59968  Phlox stansburyi E. K. Balls 1950-5-13 14686 Modoc 14 miles south of Oregon - California state line, along the west shore road, Goose Lake 1494 Comment
  CAS-BOT-BC497460  Phoenicaulis cheiranthoides B. Bartholomew; M. Gilbert; L. Skog 1993-5-11 6513 Modoc 11 km S of Oregon Border along W side of Goose Lake 1440 Comment
  CAS-BOT-BC58307  Phoenicaulis cheiranthoides Robert Patterson; Mona Bourell 1993-8-15 5256 Modoc Warner Mountains. Along trail from Patterson Lake to ca. 2 mi north towards Pepperdine Trailhead. 2743 Comment
  CAS-BOT-BC58317  Phoenicaulis cheiranthoides F. Angwin 1946-3-31 Modoc Adin. Comment
  CAS-BOT-BC58578  Phoenicaulis cheiranthoides Elmer Ivan Applegate 1937-5-13 11088 Modoc Lava Beds Nationa Monument, Gillam Bluff. Comment
  CAS-BOT-BC58584  Phoenicaulis cheiranthoides C. L. Hitchcock 1940-5-27 6673 Modoc 15 mi. NE of Alturas. 1615 Comment
  HSC6880  Phoenicaulis cheiranthoides M. T. Milligan 1967-7-8 663 Modoc W slope of Eagle Peak 2500 Comment
  HSC81056  Phoenicaulis cheiranthoides G. M. Riegel 1980-7-18 910 Modoc S Warner Mtns. 1739 Comment
  JEPS77518  Phoenicaulis cheiranthoides L. R. Heckard with T. I. Chuang and R. C. Bacigalupi 1978-7-19 4885 Modoc Cedar Pass; Warner Mountains, Cedar Pass 1920 Comment
  RSA59975  Phoenicaulis cheiranthoides E. K. Balls 1950-5-13 14671 Modoc W shore of Goose Lake, 0.2 mile S of Oregon-Calif. state line. 1463 Comment
  CAS-BOT-BC134911  Phoradendron bolleanum Paul F. Covel 1939-8-13 1622 Modoc Lava Beds Nat. Mon. at hdqtrs. Comment
  POM203793  Phoradendron juniperinum J. T. Howell 1934-6-11 11921 Modoc Parker Creek, Warner Mts. 1585 Comment
  UCD89843  Phragmites australis Herbert L. Mason 1947-8-11 13501 Modoc Highway 81, north of Modoc-Lassen County line. Comment
  JEPS127204  Pilularia americana Lowell Ahart, John Dittes 2016-6-6 20956 Modoc About one mile south the intersection of County Road 87 and Access Road to Pilot Butte Parking Area, 3.8 miles (air) east of Lookout, 7.5 miles (air) west of Adin, Ash Creek State Wildlife Area. Comment
  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-BC30160  Pinus contorta subsp. murrayana Belknap C. Goldsmith 1911-6-14 30 Modoc North Fork Davis Creek, W slope Warner Mts. 1889 Comment
  CAS-BOT-BC79032  Pinus ponderosa Roxana S. Ferris; Rena Duthie 1919-7-13 130 Modoc Parker Creek, Warner Mts. 2133 Comment
  CAS-BOT-BC79039  Pinus ponderosa Roxana S. Ferris; Rena Duthie 1919-6-13 130 Modoc Parker Creek, Warner Mts. 2133 Comment
  HSC26431  Pinus ponderosa J. P. Smith, J. O. Sawyer 1972-5-6 5265 Modoc FS road to Quail Spring at Hwy. 299, N of Adin 1463 Comment
  HSC80916  Pinus ponderosa G. M. Riegel 1979-8-23 700 Modoc S Warner Mtns. 1670 Comment
  HSC46289  Pinus washoensis J. P. Smith, J. O. Sawyer 1973-8-8 7252 Modoc 1.5 mi. N of Patterson Guard Station on Summit Trail, S Warner Wilderness 2439 Comment
  NY60273  Pinus washoensis B. M. Bartholomew 1994-7-2 6821 Modoc Just north of South Fork of Davis Creek near the crest of the Warner Mountains 2300 Comment
  NY63476  Pinus washoensis B. M. Bartholomew 1990-8-5 5664 Modoc Summit Trail, ca. 2 km. north of Patterson Ranger Station, west side of Warner Mountains 2400 Comment
  UC117020  Piperia unalascensis Mrs. R. M. Austin Aug 1894 129 Modoc Lassen Creek Comment
  CAS-BOT-BC242223  Piperia unalascensis Leland S. Smith 1922-7-20 1302 Modoc Field redacted by CAS, contact the data manager for more information 1905 Comment
  CAS-BOT-BC248381  Plagiobothrys L. S. Smith 1922-7-7 1259 Modoc Modoc National Forest. High Grade & 12 Mile Sample plots 2194 Comment
  JEPS90087  Plagiobothrys acanthocarpus Dean Wm. Taylor with Robert A. Price 1988-6-4 9759 Modoc ca. 2.6 mi. S 10 degrees E Casuse Mt. (Dobie Flat, Tule Lake Basin); Modoc Plateau, Tule Lake 15' Quad. 1280 Comment
  CHSC109643  Plagiobothrys cusickii Lowell Ahart; John Dittes 2012-7-11 18332 Modoc Vernal pool like areas on the bottom of a gravel pit, north edge of the meadow, about 1/8 mile east of the parking area on the east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adam, about 8 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  UC100870  Plagiobothrys cusickii Milo S. Baker Modoc Comment
  UC79362  Plagiobothrys cusickii Mrs. R. M. Austin Modoc Comment
  CHSC107381  Plagiobothrys hispidulus Lowell Ahart; John Dittes 2011-6-22 17540 Modoc On the west side of the road, about 50 yards north of the Pilot Butte Parking Lot, north edge of Ash Creek Floodplain, 1.1 miles (air) south of County Road 87, 7.7 miles (air) west of Adin, 10 miles (air) east of Lookout, Big Valley. 1264 Comment
  CHSC117238  Plagiobothrys hispidulus Lowell Ahart; John Dittes 2016-7-16 21255 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
  CHSC67088  Plagiobothrys hispidulus James D. Jokerst 1987-5-13 2863 Modoc Radar Survey Site S of Doublehead Mtn., S of Clear Lake Reservoir, S end of northern sector. In and about vernal pools. 1371 Comment
  JEPS119641  Plagiobothrys hispidulus Lowell Ahart, John Dittes 2012-7-10 18321 Modoc Ash Creek State Wildlife Area, about 3.4 miles (air) west of Adin, about 8.2 miles (air) northeast of Bieber, Big Valley. Comment
  SEINET10781225  Plagiobothrys hispidulus Lowell Ahart, John Dittes 2011-6-22 Ahart 17540 Modoc T39N, R8E, northeast 1/4 Section 30. Normal size plants, on dry bare soil, on the west side of the road, about 50 yards north of the Pilot Butte Parking Lot, north edge of Ash Creek Floodplain, 1.1 miles (air) south of County Road 87, 7.7 miles (air) west of Adin, 10 miles (air) east of Lookout, Big Valley. 1265 Comment
  UC711884  Plagiobothrys hispidulus Roxana S. Ferris and Laura Lorraine 1941-8-13 10559 Modoc Patterson Ranger Station (East Creek drainage) Warner Mountains, Modoc National Forest 2164 Comment
  JEPS25292  Plagiobothrys hispidulus Frances D. Payne 1929-7-5 40 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  UC1540171  Plagiobothrys mollis Dean W. Taylor 1987-8-9 9286 Modoc on shore 100 meters w of dam Clear Lake Reservoir 1371 Comment
  POM204140  Plagiobothrys mollis J. T. Howell 1934-6-15 12197 Modoc Alturas. Comment
  GMDRC5825  Plagiobothrys salsus R. B. Kelley 2005-6-26 883 Modoc along SR 299 Comment
  CAS-BOT-BC58742  Plagiobothrys scouleri John Thomas Howell 1934-6-12 12006 Modoc Davis Creek. Comment
  CAS-BOT-BC58749  Plagiobothrys scouleri Louis Cutter Wheeler 1935-8-16 3865 Modoc Dismal Swamp, Modoc National Forest 2225 Comment
  CAS-BOT-BC58755  Plagiobothrys scouleri Robert Folger Thorne; J. Henrickson; C. W. Tilforth 1969-9-4 39104 Modoc N Fork of Pit River 3.4 mi N of Alturas where crossed by Hwy 395. 1341 Comment
  CAS-BOT-BC58756  Plagiobothrys scouleri John Thomas Howell 1934-6-11 11912 Modoc Parker Creek. 1584 Comment
  CAS-BOT-BC58768  Plagiobothrys stipitatus var. micranthus Peter Hamilton Raven; Otto Thomas Solbrig 1958-6-18 13326 Modoc Eastern outskirts of Lookout. Comment
  CHSC85102  Plagiobothrys stipitatus var. micranthus John Dittes; Josephine Guardino 1991-6-1 370 Modoc Modoc Plateau; Big Valley; Ash Creek Wildlife Area; ca. 5.7 air-miles northeast of Bieber, ca. 7.6 air-miles west of Adin, ca. 1.5 air-mile southeast of Pilot Butte summit; meadow at northern edge of Ash Creek Floodplain (Big Swamp) at southeast base of Pilot Butte. 1258 Comment
  RSA325725  Plagiobothrys stipitatus var. micranthus A. Tiehm, Gary Schoolcraft, Jan Nachlinger 1984-6-24 8798 Modoc Surprise Valley, east side of Middle Alkali Lake, east of Cedarville. 1357 Comment
  CAS-BOT-BC58772  Plagiobothrys tenellus Bruce Bartholomew; Barrett Anderson 1988-5-13 4169 Modoc Ca. 1 km SE of Parker Creek Road on West Warner Road, W side of the Warner Mts.. 1710 Comment
  POM368960  Plagiobothrys tenellus Christopher Davidson 1973-5-24 2107 Modoc S of Alturas on Hwy 395 near Likely. 1311 Comment
  UC280352  Plagiobothrys tenellus Milo S. Baker 1896-5-20 75 Modoc Big Val-Johnson's Comment
  CHSC99955  Plantago major Lowell Ahart; John Dittes 2008-8-25 15315 Modoc On the east bank (flood plane) of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout. 1273 Comment
  CAS-BOT-BC242217  Platanthera dilatata var. leucostachys R. M. Austin 1895-7-1 488 Modoc Field redacted by CAS, contact the data manager for more information Comment
  CHSC116342  Platanthera leucostachys J. R. Keck Jr. 1985-7-11 PDR 330134 Modoc Davis Creek, Modoc National Forest. 1982 Comment
  POM107743  Platanthera stricta Mrs. R. M. Austin 1895-07 s.n. Modoc Davis Creek Comment
  UC1024327  Platanthera stricta Annie M. Alexander and Louise Kellogg 1946-6-28 4858 Modoc above Lily Lake (Pine Creek Canyon); n end Warner Mountains, Pine Creek Canyon 2103 Comment
  CAS-BOT-BC242206  Platanthera stricta K. Paulson; Robert Paulson 1989-7-14 184 Modoc Field redacted by CAS, contact the data manager for more information 1987 Comment
  CAS-BOT-BC242209  Platanthera stricta Bruce Bartholomew 1994-7-2 6823 Modoc Field redacted by CAS, contact the data manager for more information 1910 Comment
  SEINET5102917  Platanthera stricta Unknown Modoc Comment
  CAS-BOT-BC245391  Plectritis macrocera Fred D. Douthitt 1916-5-11 19 Modoc Juniper Flats - West Valley etc. 1524 Comment
  CAS-BOT-BC245396  Plectritis macrocera Bruce Bartholomew; Barrett Anderson 1988-5-13 4141 Modoc Along Parker Creek Road, 2.7 km W of Modoc National Forest and ca. 16 km WSW of Alturas, W side of the Warner Mountains. 1490 Comment
  CAS-BOT-BC245399  Plectritis macrocera Bruce Bartholomew; Barrett Anderson 1988-5-14 4203 Modoc Hager Basin Reservoir between Crowder Flats and Big Sage Reservoir on USFS road 48N08. 1530 Comment
  CAS-BOT-BC245404  Plectritis macrocera Bruce Bartholomew; Barrett Anderson 1989-6-3 4887 Modoc Boles Creek, ca. 5.5 km E of the SE corner of Clear Lake Reservoir. 1430 Comment
  HSC68794  Plectritis macrocera Gary Schoolcraft 1980-4-17 208 Modoc N end of Portuguese Ridge, SE of Canby. 1402 Comment
  UCD90253  Poa annua A. A. Beetle 1941-6-29 2832 Modoc Near summit of Cedarville Pass. 2118 Comment
  SJSU9622  Poa cusickii subsp. cusickii W. Savage 1979-7-7 1431 Modoc Triangle, Fairchild Swamp Unit, Devils Garden District, Modoc National Forest 1493 Comment
  HSC80832  Poa cusickii subsp. epilis G. M. Riegel 1979-7-14 546 Modoc 1739 Comment
  HSC80837  Poa cusickii subsp. epilis G. M. Riegel 1979-7-28 618 Modoc South Warner Mtn. 1829 Comment
  SEINET188357 Image available Poa nevadensis C. L. Hitchcock 1940-5-28 6725 Modoc Along sedgey bank of stream; 15 miles north of Alturas 1402 Comment
  UCD91979  Poa pratensis L. Whitney 1935-5-21 s.n. Modoc Hackamore Reservoir. Comment
  CAS-BOT-BC247618  Poa pratensis subsp. pratensis Bruce Bartholomew 1992-5-15 6289 Modoc Vicinity of Leonard Hot Spring, E side of Surprise Valley. 1370 Comment
  CAS-BOT-BC247619  Poa pratensis subsp. pratensis Bruce Bartholomew; Barrett Anderson 1990-7-19 5424 Modoc Top of Hunters Ridge S of Rush Creek. 1960 Comment
  CHSC112686  Poa pratensis subsp. pratensis Lowell Ahart; John Dittes, Todd Sloat 2013-6-8 18767 Modoc Meadow, about 300 yards northeast of the Parking Area, northeast of the old barn, Ash Creek State Wildlife Area, about 3.9 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  POM264350  Poa secunda A. A. Beetle 1941-6-29 2827 Modoc Near summit of Cedarville Pass. 2119 Comment
  POM313146  Poa secunda Malcolm A. Nobs, S. Galen Smith, H. L. Mason 1949-5-29 765 Modoc 2 miles east of Adin Comment
  SD96116  Poa secunda Jack L. Reveal 1976-6-2 Modoc Modoc NF near Perez 1280 Comment
  CHSC115478  Poa secunda subsp. juncifolia L. P. Janeway 2014-7-8 11455 Modoc Modoc Plateau. East corner of Dry Creek Rim; along Road 47N08 (Corral Creek Road) 3.1 road-km north-northwest of Road 48 (along the west edge of Goose Lake). 1650 Comment
  UC1025066  Poa secunda subsp. juncifolia Leo Whitney 1935-7-21 3551 Modoc 15 mi w Canby (Happy Camp); Modoc Nat'l Forest 1463 Comment
  UC1024915  Poa secunda subsp. juncifolia Leo Whitney 1935-6-28 3366 Modoc Redding-Alturas near Adin Comment
  CAS-BOT-BC247604  Poa secunda subsp. secunda Alan Ackerman Beetle 1941-6-29 2827 Modoc Near summit of Cedarville Pass. 2118 Comment
  CAS-BOT-BC247662  Poa secunda subsp. secunda John Thomas Howell 1934-7-1 12341 Modoc Duncan Horse Camp. 1355 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
  CHSC118081  Poa secunda subsp. secunda L. P. Janeway 2016-5-16 12002 Modoc Modoc Plateau. Devils Garden area; along Road 46N05A (Apple-gate Trail Southern Route) 0.3 km west of Road 46N02; 2.4 air-km east-southeast of Green Tank Reservoir and Green Spring Reservoir. 1569 Comment
  SJSU9600  Poa secunda subsp. secunda W. Savage 1979-7-5 1369 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  UC1025000  Poa secunda subsp. secunda Leo Whitney 1935-7-7 3383 Modoc 4 mi n Canby (Howard Gulch) Comment
  UC188879  Poa secunda subsp. secunda Milo S. Baker 1894-6-13 Modoc Egg Lake Comment
  UCD90789  Poa secunda subsp. secunda Beecher Crampton; Carl Rimbey 1954-7-6 2105 Modoc 20 miles E of Alturas. Warner Mountains. Above Shields Creek. Comment
  UCD90790  Poa secunda subsp. secunda Beecher Crampton; Carl Rimbey 1954-7-7 2131 Modoc W side of Cedar Pass, Warner Mountains. 1889 Comment
  CAS-BOT-BC252523  Poa wheeleri Bruce Bartholomew; Barrett Anderson 1988-6-24 4296 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-BC252514  Poa wheeleri John H. Hatton 1911-6-10 30 Modoc Modoc County. 1371 Comment
  CAS-BOT-BC179351  Pogogyne floribunda James D. Jokerst 1986-8-11 2762 Modoc Ca. 1.2 mi. WNW of Rim Rock Lake, S of Doublehead Mountain. Comment
  CAS-BOT-BC179356  Pogogyne floribunda Bruce Bartholomew 1991-7-5 5937 Modoc Vicinity of the outlet of Dorris Brothers Reservoir. 1500 Comment
  CHSC67514  Pogogyne floribunda J. D. Jokerst 1986-8-11 2762 Modoc Of the center of T45N R07E S20 NE1/4. Modoc National Forest, Devils Garden Ranger District (south of Clear Lake). About 1.2 miles WNW of Rim Rock Lake, S of Doublehead Mountain. Comment
  SD149137  Pogogyne floribunda B. Bartholomew 1991-8-4 6021 Modoc 3.2 km south of Drift Fence Tank on road to Mud Lake. 1580 Comment
  UC1191807  Pogogyne floribunda Verne Grant, Irving Schneider 1947-8-27 8329 Modoc Embayment at south end of Clear Lake Comment
  CAS-BOT-BC197847  Polemonium micranthum Alice Eastwood; John Thomas Howell 1940-6-12 8057 Modoc Between Likely and Jess Valley. Comment
  HSC17207  Polemonium occidentale subsp. occidentale M. T. Milligan 1966-7-5 554 Modoc Slopes and ridges E of Jess Valley 1768 Comment
  CAS-BOT-BC231285  Polemonium pulcherrimum Alexander; Kellogg No date on label 5106 Modoc Eagle Rock Comment
  RSA523874  Polyctenium fremontii Barbara Ertter 1988-6-18 7617 Modoc Hwy 139, 50 airmiles SW of Klamath Falls, a few miles N of Agric. Inspection Station, 1 mile S of jct to Lava Beds Nat l Monument E of Tonesta. 1311 Comment
  SD131816  Polyctenium fremontii Barbara Ertter 1988-6-18 7617 Modoc Highway 139 ca. 50 miles southwest of Klamath Falls, a few miles north of Agricultural Inspection Station. 1310 Comment
  CHSC67097  Polyctenium fremontii var. fremontii James D. Jokerst 1987-5-13 2855 B Modoc Radar Survey Site S of Doublehead Mtn., S of Clear Lake Reservoir, dry lake W and adjacent to N end of central sector. 1353 Comment
  JEPS49470  Polygonum Louis C. Wheeler 1935-8-25 3919 Modoc Rim Rock Valley Reservoir, Devil's Garden, Mt. Diablo Mer. Devil's Garden; Rim Rock Valley Reservoir, Devil's Garden 1524 Comment
  JEPS86717  Polygonum 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
  JEPS88601  Polygonum Dean Wm. Taylor, Glenn L. Clifton 1987-6-24 9061 Modoc Whitehorse (site), a railroad siding in Section 16 Whitehorse 1341 Comment
  RSA0049649  Polygonum aviculare subsp. buxiforme Dean Wm. Taylor 2012-7-18 21280 Modoc Windmill Flat (tributary Juniper Creek, Pit River watershed, 11 miles S of Adin) 1706 Comment
  UC402681  Polygonum aviculare subsp. buxiforme W. P. Taylor and H. C. Bryant 1910-7-13 Modoc N. Fork Parker Cr. Warner Mountains (head) 2225 Comment
  UC6665  Polygonum bistortoides Milo S. Baker Jun 19 1893-Jul 8 1893 Modoc 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-BC218141  Polygonum douglasii John Thomas Howell 1934-6-30 12276 Modoc Duncan Horse Camp. 1355 Comment
  UC466035  Polygonum douglasii subsp. austiniae Mrs. R. M. Austin Aug. 1894 304 Modoc Davis Creek Comment
  UC6695  Polygonum douglasii subsp. douglasii Milo S. Baker 1893-6-20 Modoc Egg Lake Comment
  CHSC71884  Polygonum douglasii subsp. spergulariiforme Vernon H. Oswald; Lowell Ahart 1998-9-8 9590 Modoc County Rd. 93 adjacent to the RR at Lookout Junction northwest of Lookout. 1280 Comment
  UC1112255  Polygonum polygaloides subsp. confertiflorum R. C. Bacigalupi with S. Galen Smith 1957-6-27 5982 Modoc along State Hwy 139 ca 9 mi nw Canby 1493 Comment
  CHSC67591  Polygonum polygaloides subsp. esotericum James D. Jokerst 1990-8-2 3215 Modoc S of Hwy. 139 NW of Canby, 4.7 mi W of junction with Loveness Rd. Comment
  CHSC67688  Polygonum polygaloides subsp. esotericum James D. Jokerst 1990-8-2 3211 A Modoc Hwy. 139 NW of Canby, ca. 300 m N of the road at the SE edge of a large dry lake, within the dry-down zone adjacent to a concrete overflow structure. Comment
  JEPS98244  Polygonum polygaloides subsp. esotericum R. E. Preston 2000-7-18 1416 Modoc Hog Lake 1499 Comment
  SJSU9598  Polygonum polygaloides subsp. esotericum W. Savage 1979-7-5 1366 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  CAS-BOT-BC218188  Polygonum polygaloides subsp. kelloggii Arnold Tiehm 1984-7-30 8829 Modoc 8.9 road mi. NE of Ft. Bidwell on main road to Adel, just past the road summit. 1615 Comment
  HSC81000  Polygonum polygaloides subsp. kelloggii G. M. Riegel 1980-8-11 1031 Modoc S Warner Mtns. 2100 Comment
  NY407628  Polygonum sawatchense A. Tiehm 1984-6-30 8841 Modoc Northwest side of Bidwell Mountain, 2.8 road miles north of 8 mile creek on the road from Lake Annie 1828.8 Comment
  UC1191247  Polygonum sawatchense subsp. oblivium Herbert L. Mason and Verne Grant 1947-7-9 13309 Modoc Cedar Pass Warner Range (summit of range) 1920 Comment
  UC711901  Polygonum sawatchense subsp. oblivium Roxana S. Ferris and Laura Lorraine 1941-8-13 10536 Modoc Patterson Ranger Station (East Creek drainage) Warner Mountains, Modoc National Forest 2164 Comment
  HSC17501  Polygonum sawatchense subsp. sawatchense M. T. Milligan 1965-6-30 389 Modoc E of Jess Valley. 1707 Comment
  UC526133  Polygonum sawatchense subsp. sawatchense John Thomas Howell 1934-7-1 12317 Modoc Duncan Horse Camp Comment
  CAS-BOT-BC218146  Polygonum spergulariiforme John Thomas Howell 1934-7-1 12326 Modoc Duncan Horse Camp. 1355 Comment
  CAS-BOT-BC218149  Polygonum spergulariiforme Alice Eastwood; John Thomas Howell 1940-6-15 8289 Modoc 9 mi. N of Lookout. Comment
  UC1025022  Polypogon monspeliensis Leo Whitney 1935-7-17 3513 Modoc Hackamore Lake Joaquina (ca 15 mi nw of Canby, Modoc National Forest); Modoc National Forest, , Hackamore 1463 Comment
  UC70666  Polypogon monspeliensis Mrs. M. H. Manning June 1903 402 Modoc north-eastern Modoc County Comment
  HSC80720  Populus tremuloides G. M. Riegel 1979-9-1 746 Modoc 2100 Comment
  UC1134817  Populus trichocarpa R. C. Wilson 1933-7-16 64 Modoc Rush Creek; Modoc National Forest, Canby Quadrangle Comment
  SEINET11984746  Populus trichocarpa E. K. Balls 1950-1 14610 Modoc W of Middle Lake, between Eagleville and Cedarville 1433 Comment
  UC1101394  Portulaca oleracea Herbert L. Mason, Verne Grant 1947-7-10 13342 Modoc 2 mi e of Alturas (Dorris Reservoir); Dorris Reservoir Comment
  CAS-BOT-BC242201  Potamogeton diversifolius Bruce Bartholomew 1995-7-30 7068 Modoc Drainage from Taylor Reservoir just E of junction of County roads 93 and 94. 1260 Comment
  RSA577887  Potamogeton epihydrus L. C. Wheeler 1935-10-6 4023 Modoc Lily Lake, Pine Creek. (Mt. Diablo Mer.) 2073 Comment
  CAS-BOT-BC242240  Potamogeton foliosus V. J. Wetherell 1961-8-9 481 Modoc Stowe Reservoir Campground, 1 mi E of Cedar Pass. 1828 Comment
  CAS-BOT-BC242232  Potamogeton natans Milo Samuel Baker 1899-8-12 s.n. Modoc Egg Lake. Comment
  SEINET10913212  Potamogeton nodosus Milo S. Baker 1899-8-24 Baker s.n. Modoc In Pit River at Sookout. Comment
  CHSC99517  Potamogeton pectinatus Lowell Ahart; John Dittes 2008-6-21 15005 Modoc In shallow water 6-8 inches deep, along a deep natural drainage, about 30 yards west of the levee, mountain meadow, in Big Valley, about 3.6 miles (air) northeast of the Headquarters at Ash Creek State Wildlife Area, about 6.4 miles (air) northeast of Bieber. 1269 Comment
  UC1099836  Potamogeton pectinatus Herbert L. Mason 1947-8-11 13488 Modoc Kelley Hot Springs, on Alturas-Conby Highway Kelley Hot Springs Comment
  UCR20439  Potamogeton pusillus Milo S. Baker 1899-8-24 s.n. Modoc Carmichaels Mill, Big Valley 1264 Comment
  CAS-BOT-BC242272  Potamogeton richardsonii Robert Folger Thorne; et al 1969-9-4 39128 Modoc N Fork of Pit River 3.4 mi. N of Alturas where crossed by Hwy 395. 1341 Comment
  RSA85818  Potentilla biennis F. W. Peirson 1926-6-25 6881 Modoc Small side canyon 1 mile east of summit of Warner Mountains, on Cedarville Road Comment
  RSA233766  Potentilla biennis Robert F. Thorne 1969-9-5 39172 Modoc Modoc National Forest, Warner Mts, along Fall Creek below Falls. 1738 Comment
  UC704450  Potentilla biennis Bud Fuller 1936-7-10 68 Modoc 20 mi ne Alturas; ne <of> Alturas 2133 Comment
  CAS-BOT-BC214743  Potentilla breweri Leland S. Smith 1924-6-9 1389 Modoc Flat along edge of Lavas, Egg Lake. Comment
  UC519032  Potentilla breweri Elmer I. Applegate 1932-8-1 8025 Modoc just s Warren Peak (high summit of the Warner Mountains); Warner Mountains, just s of Warren Peak Comment
  CAS-BOT-BC214774  Potentilla gracilis Bruce Bartholomew 1990-6-18 5387 Modoc Turner Creek at County Rd 90, N end of Big Valley, 6.4 km N of Lassen County border. 1230 Comment
  CAS-BOT-BC214777  Potentilla gracilis Bruce Bartholomew; Barrett Anderson 1988-7-21 4424 Modoc S end of Whitehorse Flat Reservoir. 1340 Comment
  CAS-BOT-BC214783  Potentilla gracilis Bruce Bartholomew 1991-7-4 5914 Modoc Roney Flat. 1460 Comment
  CAS-BOT-BC214790  Potentilla gracilis Milo Samuel Baker; Franklin P. Nutting 1894-1-1 s.n. Modoc Near Egg Lake. Comment
  CDA13450  Potentilla norvegica G. F. Hrusa, T. D. Wilfred 1996-7-21 13297 Modoc Modoc Plateau; About the Modoc Co. Rd. 90 bridge over Pit River. E base of Splawn Mtn. N end of Big Valley. Comment
  CAS-BOT-BC225024  Poteridium annuum K. Paulson; Robert Paulson 1988-6-19 42 Modoc W of Cranby Bridge. 1310 Comment
  CHSC109645  Poteridium annuum Lowell Ahart; John Dittes 2012-7-11 18341 Modoc Along a poor mowed road, about 1/2 mile southeast of the Pilot butte Parking Lot, north edge of Ash Creek floodplain, about 1.5 miles (air) south of County Road 87, about 7.5 miles (air) west of Adin, about 10.2 miles (air) east of Lookout, Big Valley. 1260 Comment
  CAS-BOT-BC214805  Prunus emarginata Bruce Bartholomew; Mona Bourell 1990-4-28 5206 Modoc 6.3 km SE of Rush Creek on road to Hunters Ridge. 1670 Comment
  CAS-BOT-BC154615  Prunus subcordata Robertson 1974-8-27 NS 66 -74 Modoc Between Adin & Eagle Lake, Hw 139, 1 mi. N. of Willow Cr. 1524 Comment
  CAS-BOT-BC214820  Prunus subcordata Gladys L. Smith; Margaret Williams; Loring Williams; Charles Smith 1983-9-14 8388 Modoc Second big curve ascending Ft. Bidwell side 1377 Comment
  UCD113512  Prunus subcordata T. C. Fuller 1963-7-16 11008 Modoc south side of Fandango Pass Road, just east of road to Willow Ranch, west base of the Warner Mountains. Comment
  CAS-BOT-BC214812  Prunus subcordata R. M. Austin 1898-6-1 2343 Modoc Modoc County. Comment
  UC466757  Prunus subcordata M. F. Gilman 529 Modoc 1524 Comment
  CAS-BOT-BC225013  Prunus virginiana var. demissa Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16400 Modoc Roadside above Thoms Creek, 6.1 mi. E of California State Highway 299, on Cedar Pass Rd. Comment
  UC1128448  Prunus virginiana var. demissa R. C. Wilson 1933-6-21 49 Modoc Stone Coal Valley Creek, Modoc National Forest Stone Coal Valley Creek; Modoc National Forest, Stone Coal Valley Creek 1402 Comment
  SBBG423  Pseudoroegneria spicata A. A. Beetle 1941-6-29 2828 Modoc near summit of Cedar (Cedarville) Pass 2118 Comment
  UCD91503  Pseudoroegneria spicata Beecher Crampton; Carl Rimbey 1954-7-7 2148 Modoc Modoc County, 3 miles west of Cedarville, east side of Cedar Pass, Warner Mountains. Comment
  CAS-BOT-BC252501  Pseudoroegneria spicata subsp. spicata Leland S. Smith 1924-6-15 1403 Modoc Lavas W of Mud Lake. 1371 Comment
  CAS-BOT-BC252506  Pseudoroegneria spicata subsp. spicata Roxana Stinchfield Ferris; L. Lorraine 1941-8-12 10510 Modoc Between Hackamore and Canby. Comment
  CAS-BOT-BC252508  Pseudoroegneria spicata subsp. spicata John Thomas Howell 1934-6-30 12278 Modoc Duncan Horse Camp. 1355 Comment
  SEINET11944060  Pseudostellaria jamesiana M. Ownbey, Meyer, F. G. 1940-1 2142 Modoc Cedar Peak, Warner Mts Comment
  RSA323626  Psilocarphus brevissimus A. Tiehm 1984-7-30 8831 Modoc 8.9 road miles NE of Ft. Bidwell on the main road to Adel, just past the road summit. 1616 Comment
  CAS-BOT-BC50388  Psilocarphus oregonus John Thomas Howell 1932-6-12 12032 Modoc Plum Valley. Comment
  HSC80874  Pteridium aquilinum var. pubescens G. M. Riegel 1980-7-31 928 Modoc S. Warner Mtns. 1829 Comment
  CAS-BOT-BC95681  Pterospora andromedea Bruce Bartholomew 1989-7-14 4932 Modoc Along Rush Creek between Lower and Upper Rush Creek Campgrounds. 1580 Comment
  UCD91527  Puccinellia distans Beecher Crampton 1954-7-6 2083 -A Modoc Along U. S. Hwy. 395. 4 miles north of Likely. Comment
  RSA534594  Puccinellia nuttalliana Bruce Bartholomew, B. Anderson 1990-7-20 5448 Modoc Margin of Goose Lake at S end of the causeway to McGinty Point. 1440 Comment
  UCD93437  Puccinellia nuttalliana L. G. Goar 1938-1 s.n. Modoc Modoc County. Comment
  UCD35723  Purshia tridentata Beecher Crampton 1960-6-17 5681 Modoc 5 miles south of Perez, Plant Quarantine Station area. 1371 Comment
  CAS-BOT-BC218234  Purshia tridentata var. tridentata Bruce Bartholomew; Barrett Anderson 1988-7-21 4447 Modoc Dry hillside, SW side of Jess Valley, Warner Mts.. 1540 Comment
  RSA504846  Purshia tridentata var. tridentata Bruce Bartholomew, B. Anderson 1988-7-21 4447 Modoc SW side of Jess Valley. Warner Mtns. 1540 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
  CAS-BOT-BC95695  Pyrola picta Bruce Bartholomew; Barrett Anderson 1988-7-21 4408 Modoc Whitehorse Mts., 11 km N of Day on the road to Whitehorse Flat Reservoir. 1340 Comment
  CAS-BOT-BC95696  Pyrola picta Bruce Bartholomew 1991-8-4 6022 Modoc Vicinity of Pepperdine Camp Ground, W side of the Warner Mts. 2090 Comment
  SEINET195664  Pyrola picta Unknown 1946-8-8 5119 Modoc Seen at the end of the Portal Reservation Road. Deep Creek Canyon. Warner Mountains Comment
  CAS-BOT-BC497311  Pyrola picta B. Bartholomew 1991-8-6 6078 Modoc Emerson Trail between Emerson Camp Ground and N. Emerson Lake, E side of Warner Mts. 1920 Comment
  JEPS5940  Pyrrocoma carthamoides var. cusickii Frances D. Payne 1932-7-22 730 Modoc s and e of Alturas; Warner Mountains, Parker Creek 1584 Comment
  UCR163908  Pyrrocoma carthamoides var. cusickii Jim Andre 1993-6-30 1403 Modoc Modoc Plateau, about 10 miles NW of Canby on Hwy 139, near NW end of Oak Ridge 1494 Comment
  UC86554  Pyrrocoma lanceolata var. lanceolata Mrs. R. M. Austin Aug 1894 137 Modoc hills near Alturas Comment
  POM229879  Pyrrocoma racemosa var. paniculata L. C. Wheeler 1935-9-27 4008 Modoc Pease Flat, Devil's Garden. 1524 Comment
  CAS-BOT-BC180125  Quercus garryana var. garryana Bruce Bartholomew 1989-8-10 5025 Modoc Little Hot Spring Valley, 1.6 km NW of Day. 1070 Comment
  CAS-BOT-BC105114  Quercus kelloggii Elmer I. Applegate 1897-6-1 872 Modoc Under rim rock near head of Black Canyon, about 6 miles above Canby, on road to Klamath Falls Comment
  RSA504607  Quercus kelloggii Bruce Bartholomew, B. Anderson 1988-6-23 4262 Modoc 1.8 km WSW of Day on County Road 94. 1170 Comment
  CAS-BOT-BC217251  Ranunculus alismifolius Bruce Bartholomew 1992-5-16 6332 Modoc S end of Sweagert Flat. 1840 Comment
  CAS-BOT-BC217256  Ranunculus alismifolius Leland S. Smith 1920-6-2 1156 Modoc 12 Mile Creek. 2042 Comment
  CAS-BOT-BC379404  Ranunculus alismifolius John Thomas Howell 1934-7-14 12111 Modoc Warner Mountains, near Lost Lake 2438 Comment
  RSA520441  Ranunculus alismifolius var. alismellus Bruce Bartholomew 1990-6-15 5231 Modoc S end of Deer Spring Ridge 1.8km N turn off to Knox Flat near Pot Hole Spring. 1920 Comment
  RSA604739  Ranunculus alismifolius var. alismifolius Louis C. Wheeler 1935-8-4 3774 Modoc Warner Mountains: Dismal Swamp, Twenty Mile Creek. 2226 Comment
  CAS-BOT-BC217259  Ranunculus andersonii Leland S. Smith 1922-5-28 1241 Modoc Happy Camp Mountain. 1889 Comment
  JEPS55043  Ranunculus andersonii Leland S. Smith c. 1918 795 1/2 Modoc Jess Valley Comment
  CAS-BOT-BC217261  Ranunculus aquatilis K. Paulson; Robert Paulson 1990-7-21 215 Modoc Patterson Meadow, Warner Mts. Comment
  CAS-BOT-BC217266  Ranunculus aquatilis var. aquatilis Bruce Bartholomew 1992-5-16 6318 Modoc Arnett Spring, N of Bayley Reservoir. 1510 Comment
  UC1101367  Ranunculus aquatilis var. capillaceus Calvin McMillan and Malcolm A. Nobs 1949-6-15 786 Modoc 3 mi w Canby (marshy pool); Pitt River Comment
  CAS-BOT-BC217269  Ranunculus aquatilis var. diffusus Bruce Bartholomew 1992-5-16 6321 Modoc Lunsford Spring. 1600 Comment
  CHSC99768  Ranunculus aquatilis var. diffusus Lowell Ahart; John Dittes 2008-6-21 14989 Modoc In the drying pond, north of the large culvert, east of the large levee, mountain meadow, in Big Valley, about 2.8 miles (air) north of the Headquarters at Ash Creek State Wildlife Area, about 5.4 miles (air) northeast of Bieber. 1255 Comment
  CAS-BOT-BC217234  Ranunculus cymbalaria Bruce Bartholomew 1992-5-15 6288 Modoc Vicinity of Leonard Hot Spring, E side of Surprise Valley. 1370 Comment
  SJSU9367  Ranunculus cymbalaria W. Savage 1979-7-6 1400 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  UC480943  Ranunculus cymbalaria var. saximontanus Mrs. R. M. Austin July 1894 258 Modoc swamp near Goose Lake Comment
  CAS-BOT-BC217237  Ranunculus eschscholtzii var. oxynotus Elmer Ivan Applegate 1932-8-1 8047 Modoc Arid, rocky E slope of Warren Peak, Warner Mts. Comment
  CHSC65827  Ranunculus glaberrimus J. Ingraham 1995-4-16 15 Modoc 7.5 mi S of Davis Creek, 100 yds E of Hwy 395. 1438 Comment
  NY494525  Ranunculus glaberrimus B. M. Bartholomew 1988-5-13 4154 Modoc Along Parker Creek Road, 0.5 km west of West Warner Road on Parker Creek Road, west side of the Warner Mountains 1650 Comment
  CAS-BOT-BC217205  Ranunculus glaberrimus var. glaberrimus Leland S. Smith 1919-4-20 1078 Modoc Sagebrush flats W of Alturas. 1371 Comment
  CHSC1486  Ranunculus macounii J. Wakeman 1963-5-11 Modoc Big Valley, along Hiway 299. 1219 Comment
  SJSU10628  Ranunculus occidentalis H. L. Buckalew 1961-6-22 Modoc Stough (""Stowe"") Reservoir c. 1 mi N of Cedar Pass on Alturas-Cedarville Rd, Warner Mts 1981 Comment
  UC748221  Ranunculus occidentalis Annie M. Alexander and Louise Kellogg 1946-6-7 4672 Modoc 1/2 mi e Cedarville 1453 Comment
  POM275139  Ranunculus occidentalis var. eisenii A. M. Alexander, Louise Kellogg 1946-6-7 4672 Modoc 0.5 miles E of Cedarville. 1454 Comment
  POM400015  Ranunculus occidentalis var. eisenii Christopher Davidson 1973-5-24 2099 Modoc S of Alturas on Hwy 395 near Likely. 1311 Comment
  CAS-BOT-BC217181  Ranunculus occidentalis var. occidentalis John Thomas Howell 1934-7-1 12305 Modoc Duncan Horse Camp. 1355 Comment
  HSC18156  Ranunculus occidentalis var. occidentalis M. T. Milligan 1965-6-23 290 Modoc N end Jess Valley 1616 Comment
  CAS-BOT-BC217212  Ranunculus occidentalis var. ultramontanus John Thomas Howell 1934-6-11 11965 Modoc Parker Creek, Warner Mts. 1584 Comment
  CAS-BOT-BC217188  Ranunculus orthorhynchus var. orthorhynchus Bruce Bartholomew; Barrett Anderson 1989-6-1 4758 Modoc ca. 0.5 km W of Davis Creek on road to S end of Goose Lake. 1460 Comment
  POM269466  Ranunculus oxynotus Elmer I. Applegate 1932-8-1 8047 Modoc Arid rocky E slope of Warren Peak, Warner Mts. Comment
  JEPS127296  Ranunculus sardous Lowell Ahart, John Dittes 2016-7-14 21195 Modoc South of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin Big Valley. Comment
  CAS-BOT-BC217195  Ranunculus sceleratus var. multifidus Elmer Ivan Applegate 1897-6-5 968 Modoc Near Alturas. Comment
  POM269753  Ranunculus sceleratus var. multifidus Louis C. Wheeler 1935-8-3 3762 Modoc Warner Mountains: Pine Creek. 1738 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
  CDA3491  Ranunculus testiculatus Loring White 1971-5-26 Modoc R. Bunyard ranch, 1.5 miles northeast of Cedarville. 0 Comment
  CDA3493  Ranunculus testiculatus C. B. Greenback 1981-4-9 Modoc Hawk s Nest, near Tule Lake. 0 Comment
Read comments
Jun 24 2009
  CAS-BOT-BC217163  Ranunculus uncinatus Bruce Bartholomew 1991-8-6 6092 Modoc S Emerson Trail at stream between S Fork of Emerson Creek and Bearcamp Trail, Warner Mts. 2130 Comment
  UC71575  Ranunculus uncinatus Mrs. M. H. Manning 1903-1-1 140 Modoc n head of Mill Canyon (ne Modoc Co.) Comment
  RSA520498  Rhamnus rubra Bruce Bartholomew 1989-7-14 4969 Modoc E side of Lower Roberts Reservoir and 3km NNE of Lookout. 1300 Comment
  CAS-BOT-BC6201  Rhamnus rubra subsp. modocensis Elmer Ivan Applegate 1897-5-31 863 Modoc 7 mi. SE of Dry Lake. Comment
  CAS-BOT-BC498760  Ribes L. S. Smith 1919-8-25 1143 Modoc Modoc Forest: Dismal Swamp Comment
  CAS-BOT-BC225857  Ribes aureum Elmer Ivan Applegate 1929-7-29 6089 Modoc N side of Clear Lake. Comment
  UC11664  Ribes aureum Milo S. Baker 1893-6 Modoc Egg Lake Comment
  UCD102110  Ribes aureum Verne Grant; Irving Schneider 1947-7-22 8157 Modoc at headwaters of North Fork of Pit River, one mile northwest of Highway 395, on dirt road leading to south end of Goose Lake. Comment
  UC465779  Ribes aureum M. F. Gilman 527 Modoc Comment
  CAS-BOT-BC225867  Ribes cereum John H. Hatton 1911-6-13 73 Modoc unspecified 1493 Comment
  CAS-BOT-BC225871  Ribes cereum Roxana Stinchfield Ferris; R. Duthie 1919-6-15 123 Modoc Above Parker Creek near Modoc Nat. Forest Boundary. Comment
  CAS-BOT-BC225876  Ribes cereum Francis Dorris Payne 1931-6-10 142 Modoc Parker Creek, Warner Mts. 1584 Comment
  CAS-BOT-BC225879  Ribes cereum Alice Eastwood; John Thomas Howell 1940-6-12 8044 Modoc Between Likely and Jess Valley. Comment
  JEPS43511  Ribes cereum Frances D. Payne 1931-6-10 142 Modoc s and e Alturas (Parker Creek); Warner Mountains 1584 Comment
  JEPS43512  Ribes cereum Frances D. Payne 1931-7-5 325 Modoc about 3 mi n Parker Creek (Fern Spring Gulch; s and e of Alturas); Warner Mountains 1828 Comment
  RSA101498  Ribes cereum R. Weatherby 1955-7-7 1606 Modoc 7 mi. north of Ft. Bidwell. 1890 Comment
  SBBG27517  Ribes cereum C. L. Hitchcock 1940-5-27 6695 Modoc 15 mi NE of Alturas 1615 Comment
  UC585196  Ribes cereum G. L. Stebbins Jr. and E. B. Babcock 1936-6-9 1813 Modoc near Cedarville (e end of Bonner Grade) 1600 Comment
  JEPS49402  Ribes inerme var. inerme Leland S. Smith 1918-8-13 1033 Modoc Lost Lake, Silver Creek, Modoc Forest. 2194 Comment
Read comments
Jan 11 2007
  CAS-BOT-BC225901  Ribes montigenum Robert Patterson; Mona Bourell 1993-8-15 5260 Modoc Warner Mountains. Along trail from Patterson Lake to ca. 2 mi north towards Pepperdine Trailhead. 2743 Comment
  CAS-BOT-BC225906  Ribes montigenum Annie Montague Alexander; L. Kellogg 1946-6-25 4822 Modoc Dismal Swamp, N end of Warner Mts. 2255 Comment
  SBBG2783  Ribes montigenum H. and M. Dearing 1939-6-8 3605 Modoc Lily Lake, Warner Mtns 2133 Comment
  RSA0021947  Ribes montigenum Bruce Bartholomew, B. Anderson 1988-6-24 4293 Modoc Road beyond Poison Lake, ca. 8 km S of the road from Hwy 395 to Lily Lake, Warner Mountains. 2130 Comment
  UC11556  Ribes nevadense Milo S. Baker 1893-6 Modoc Comment
  CAS-BOT-BC225909  Ribes roezlii var. roezlii Bruce Bartholomew 1994-5-27 6702 Modoc SW side of White Horse Reservoir. 1330 Comment
  UC75472  Ribes roezlii var. roezlii Milo S. Baker 1893-1 Modoc Forestdale. Comment
  CAS-BOT-BC225917  Ribes velutinum F. Angwin 1946-4-21 s.n. Modoc Stone Coal Canyon, 12 mi. NE of Adin. 1280 Comment
  CAS-BOT-BC225923  Ribes velutinum Bruce Bartholomew; Barrett Anderson 1989-4-28 4653 Modoc 8.8 km N of State Highway 299 on road to Raker & Thomas Reservoir. 1470 Comment
  UC79649  Ribes velutinum Mrs. R. M. Austin 1894-1 Modoc Willow Creek Valley 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-BC225940  Ribes viscosissimum Bruce Bartholomew 1994-5-28 6720 Modoc Between Cold Spring and Cottonwood Flat, W side of Warner Mts. 1880 Comment
  UC11680  Ribes viscosissimum Mrs. R. M. Austin and Bruce June 1898 2352 Modoc Lake City Mt. Comment
  RSA0020907  Ribes viscosissimum I. L. Wiggins, Dorothy Wiggins 1961-6-14 16482 Modoc 2.8 mi. S of Lassen Creek campground, along road to Davis Creek, Warner Mountains. Comment
  CAS-BOT-BC50329  Rigiopappus leptocladus Bruce Bartholomew; Barrett Anderson 1989-6-3 4867 Modoc Boles Creek, ca. 5.5 km E of the SE corner of Clear Lake Reservoir. 1430 Comment
  CAS-BOT-BC50374  Rigiopappus leptocladus John H. Hatton 1911-6-16 101 Modoc Modoc County. 1371 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
  CHSC100463  Rorippa austriaca Lowell Ahart; John Dittes 2008-8-25 15274 Modoc On the banks of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout. 1273 Comment
  CDA3843  Rorippa austriaca G. D. Barbe 1985-8-29 4251 Modoc East of the railroad crossing and the Eastside Canal; Corporation Ranch north of Likely. 0 Comment
  CHSC114918  Rorippa austriaca D. B. Joley 1976-6-23 7 Modoc Likely, near Alturas. Comment
  CAS-BOT-BC58410  Rorippa columbiae Leland S. Smith 1920-7-14 1189 Modoc Marlin. 1371 Comment
  CAS-BOT-BC58422  Rorippa curvisiliqua Roxana Stinchfield Ferris; R. Duthie 1919-6-14 170 Modoc Parker Creek at Modoc Nat. Forest Boundary. Comment
  CAS-BOT-BC95041  Rorippa sinuata Annie Montague Alexander; L. Kellogg 1946-6-20 4811 Modoc Eagleville. 1440 Comment
  UC748374  Rorippa sinuata Annie M. Alexander and Louise Kellogg 1946-6-20 4811 Modoc Eagleville 1440 Comment
  CAS-BOT-BC218243  Rosa gymnocarpa Bruce Bartholomew 1995-6-22 6973 Modoc Between Day and Lookout, 2.7 km W of Day on County Road 94. 1320 Comment
  RSA520487  Rosa gymnocarpa Bruce Bartholomew 1989-7-14 4931 Modoc Along Rush Creek between Lower and upper Rush Creek Campgrounds. 1520 Comment
  CAS-BOT-BC497304  Rosa gymnocarpa B. Bartholomew 1989-7-14 4931 Modoc Along Rush Creek between Lower and Upper Rush Creek Campgrounds 1580 Comment
  CAS-BOT-BC218251  Rosa woodsii var. ultramontana Isabelo T. Kelly 1930-1-1 41 Modoc Cedarville. Comment
  CAS-BOT-BC218256  Rosa woodsii var. ultramontana Alice Eastwood; John Thomas Howell 1940-6-12 8064 Modoc Between Likely and Jess Valley. 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-BC218261  Rosa woodsii var. ultramontana C. C. (Mrs.) Bruce 1894-7-1 65 Modoc Davis Creek. Comment
  JEPS47235  Rosa woodsii var. ultramontana Frances D. Payne 1932-7-11 690 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  UC1191505  Rosa woodsii var. ultramontana Verne Grant and Irving Schneider 1947-7-18 8045 Modoc 5 mi n Bayley's Bridge (s of Alturas); Eastside Canal Comment
  CAS-BOT-BC218266  Rubus parviflorus Bruce Bartholomew 1989-7-14 4929 Modoc Along Rush Creek between Lower and Upper Rush Creek Campgrounds. 1580 Comment
  CAS-BOT-BC410936  Rumex acetosella J. F. Emmel 1968-7-15 82 Modoc 2 mi. E of town of Pine Creek, Warner Mts. Comment
  CHSC117144  Rumex crispus Lowell Ahart; John Dittes 2016-7-14 21192 Modoc West of a new pond, south of Ash Creek Canal (now filled in), south of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. 1273 Comment
  CAS-BOT-BC211344  Rumex lacustris Bruce Bartholomew; Barrett Anderson 1989-6-3 4896 Modoc S side of Clear Lake Reservoir. 1400 Comment
  JEPS117297  Rumex maritimus Lowell Ahart, John Dittes 2010-8-31 17126 Modoc Edge of a pond, about 400 yards west of Elkins Lane and the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley 1267 Comment
  UC465814  Rumex occidentalis W. P. Taylor and H. C. Bryant 1910-7-13 Modoc Head of North Fork Parker Creek Warner Mountains 2225 Comment
  CDA23187  Rumex occidentalis T. C. Fuller 1958-7-8 2031 Modoc 4 miles south of Pine Creek. 0 Comment
  CAS-BOT-BC211310  Rumex salicifolius Bruce Bartholomew; Barrett Anderson 1988-7-21 4605 Modoc Above Upper Rush Creek Campground ca. 4 km E of State Highway 299 between Adin and Canby. 1580 Comment
  UCR34685  Rumex salicifolius J. A. Harpel 1981-8-6 V- 41 Modoc Warner Mtns, South Warner Wilderness Area: E end of Patterson Lake, 7 mi NW of Eagleville 2744 Comment
  UC1101223  Rumex salicifolius var. lacustris Verne Grant and Irving Schneider 1947-7-20 8087 Modoc 2 mi e Alturas; Dorris Reservoir Comment
  CDA23206  Rumex salicifolius var. triangulivalvis T. C. Fuller 1959-7-8 Modoc Highway 299 at Cloverswale Creek Bridge, 13.5 miles west of Alturas. 0 Comment
  CAS-BOT-BC211322  Rumex triangulivalvis Roxana Stinchfield Ferris; R. Duthie 1919-6-15 162 Modoc Parker Creek, Warner Mts. Comment
  HSC65604  Rumex triangulivalvis Thomas Wood 1979-8-9 239 Modoc Dirt Road along Bidwell Creek, 2.8 mi. NW of junction with Co. Hwy. 2 N of Fort Bidwell 1509 Comment
  JEPS51064  Sagina saginoides W. L. Jepson 1918-8-8 7905 Modoc N. Fork Bidwell Creek Mt. Bidwell; , N. Fork Bidwell Creek 1828 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
  UC1024330  Sagittaria cuneata Annie M. Alexander and Louise Kellogg 1946-7-6 4915 Modoc East Eagleville Comment
  UC935799  Sagittaria cuneata Malcolm A. Nobs, S. Galen Smith and Herbert L. Mason 1949-5-29 768 Modoc e Kelly Hot Springs; e of Kelly Hot Springs Comment
  UCD138008  Sagittaria cuneata Herbert L. Mason 1947-8-12 13506 Modoc Junction of North and South forks of Pit River, Alturas. Comment
  POM313044  Sagittaria latifolia H. L. Mason 1947-7-12 13413 Modoc Irrigation ditch near S end of road on west side of the Pit River Valley. Comment
  POM107299  Salix bebbiana R. M. Austin 1895-05 s.n. Modoc Davis Creek Comment
  CAS-BOT-BC225113  Salix boothii Francis Dorris Payne 1932-7-21 728 a Modoc marsh S of Mosquito Lake, E side of Mt. Warren (Buck Mt.) Comment
  CAS-BOT-BC225124  Salix boothii Francis Dorris Payne 1931-7-7 333 Modoc Pine Creek Basin, Warner Mts., about 33 km SE of Alturas. 2280 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
  POM220464  Salix boothii Frances D. Payne 1931-7-7 335 Modoc Pine Creek Basin. Warner Mtns. About 33 km SE of Alturas. 2280 Comment
  UC482334  Salix boothii Frances D. Payne 1931-7-7 335 Modoc 33 km. se of Alturas; Warner Mts., Pine Creek Basin 2280 Comment
  UCR143516  Salix boothii Frances D. Payne 1931-7-7 331 Modoc Warner Mountains, Pine Creek Basin, c. 33 km SE of Alturas 2280 Comment
  UC433176  Salix eastwoodiae Belknap C. Goldsmith 1911-5-21 25 Modoc e shore Goose Lake; Modoc Forest Comment
  UC481846  Salix eastwoodiae Frances D. Payne 1931-7-8 177 a Modoc ca. 33 km. se Alturas; Warner Mts., Pine Creek Basin 2280 Comment
  UC5066  Salix eastwoodiae Mrs. R. M. Austin and Bruce June 1898 2339 Modoc Warner Mts. Comment
  CAS-BOT-BC225764  Salix exigua A. D. Borden 1911-5-20 s.n. Modoc E side of Goose Lake Comment
  CAS-BOT-BC225771  Salix exigua Francis Dorris Payne 1931-6-10 139 Modoc Parker Creek, Warner Mountains 1560 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
  CAS-BOT-BC225778  Salix exigua Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16365 Modoc Along bank of Pit River, 3.9 mi N of Alturas. Comment
  CHSC100434  Salix exigua Lowell Ahart; John Dittes 2008-8-25 15310 Modoc On the east bank of the Pit River (flood plain), about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout. 1273 Comment
  UCD110872  Salix exigua Mrs. H. P. Bracelin; Miss Frances D. Payne 1931-6-30 488 Modoc Parker Creek, 20 km. east of Alturas. Meadow south of Payne Ranch. 1560 Comment
  RSA27065  Salix gooddingii C. Leo Hitchcock 1940-5-27 6699 Modoc 12 miles NW of Alturas. 1616 Comment
Read comments
Apr 8 2012
  UC481938  Salix lasiandra subsp. lasiandra Mrs. H. P. Bracelin and Miss Frances D. Payne 1931-6-30 490 Modoc 20 km. e. Alturas (meadow s. of Payne Ranch); Parker Creek 1560 Comment
  JEPS14856  Salix lasiandra var. caudata Frances D. Payne 1931-6-10 135 Modoc Parker Creek Warner Mts., Parker Creek 1584 Comment
  CAS-BOT-BC197562  Salix lasiandra var. lasiandra H. P. Bracelin; Francis Dorris Payne 1931-6-30 498 Modoc Parker Creek, 20 km E of Alturas. 1560 Comment
  JEPS119654  Salix lasiandra var. lasiandra Lowell Ahart, John Dittes 2012-7-10 18315 Modoc Ash Creek State Wildlife Area, about 3.4 miles (air) west of Adin, about 8.2 miles (air) northeast of Bieber, Big Valley. Comment
  UC481841  Salix lasiolepis Frances D. Payne 1931-6-10 136 Modoc Warner Mts., Parker Creek 1560 Comment
  UC481934  Salix lasiolepis Mrs. H. P. Bracelin and Miss Frances D. Payne 1931-6-30 492 Modoc 20 km. e. Alturas (Parker Creek, meadow s. of Payne Ranch); Parker Creek 1560 Comment
  CAS-BOT-BC197552  Salix lasiolepis var. lasiolepis H. P. Bracelin 1931-6-29 486 Modoc Halfway between Adin and Canby. 1350 Comment
  CAS-BOT-BC229675  Salix lasiolepis var. lasiolepis H. P. Bracelin 1931-6-29 487 Modoc Halfway between Adin and Canby. 1350 Comment
  CAS-BOT-BC229662  Salix lemmonii H. P. Bracelin 1934-6-13 819 Modoc Patterson Mill Rd., E side of Warner Mts., beside Barber Creek. 1524 Comment
  LA208883  Salix lemmonii Frances D. Payne; August 1934 778 Modoc Warner Mountains, Pine Creek Basin 2316 Comment
  RSA610749  Salix lemmonii Louis C. Wheeler 1935-9-11 3971 Modoc Devils Garden: Mulkey Place, Fletcher Creek. 1524 Comment
  RSA252406  Salix lucida subsp. caudata Robert F. Thorne, C. W. Tilforth 1969-9-5 39144 Modoc Along S Fork of Pit River above jct,. with West Creek at Public Campground. Ca 6 miles E of Likely. 1402 Comment
  CHSC112097  Salix lucida subsp. lasiandra Lowell Ahart; John Dittes 2012-7-10 18315 Modoc Along a deep drainage, northeast of the old homestead, Ash creek State Wildlife Area, about 3.4 miles (air) wast of Adin, about 8.2 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  NY187399  Salix melanopsis F. D. Payne 1931-6-30 491 Modoc Parker Creek, 20 km east of Alturas. Meadow south of Payne Ranch 1560 Comment
  UC481942  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
  CAS-BOT-BC229838  Salix scouleriana Francis Dorris Payne 1931-6-22 293 Modoc E slope of Mt. Warren, Owl Creek. 2400 Comment
  CAS-BOT-BC229839  Salix scouleriana Francis Dorris Payne 1934-8-1 778 Modoc Pine Creek Basin, Warner Mts. 2316 Comment
  UC5259  Salix scouleriana Milo S. Baker 1893-6 Modoc Big Valley Mts. Comment
  CHSC63402  Salvia aethiopis Vernon H. Oswald; Wesley Wilson 1994-7-9 6370 Modoc Forest Service Rd. 2 at Pine Creek, ca. 1 mi E of Hwy. 395, just S of the Oregon border. 1524 Comment
  CDA5751  Salvia aethiopis T. C. Fuller 1971-7-14 19900 Modoc West of Highway 395, 0.9 mile south of County Road 170, 7.5 miles south of railroad crossing in Alturas. 0 Comment
  RSA339139  Salvia aethiopis Margaret J. Williams 1984-6-29 84- 70 -1 Modoc North of Alturas on roadside Hwy 395 almost to Oregon border 1433 Comment
  RSA59359  Salvia dorrii subsp. dorrii E. K. Balls 1950-5-21 14819 Modoc Opposite South Fork Public Camp, South Fork Pit River, on slopes 150 ft. above camp 1479 Comment
  UCSB12379  Salvia dorrii var. dorrii Dearing, Hugh; Dearing, Margaret 1939-6-9 Modoc East side of Cedar Pass Comment
  CHSC30641  Salvia dorrii var. incana NEH Prouty 1980-6-9 186 Modoc Modoc National Forest, Warner Mt. District. Slope north side of Deep Creek Rd. by boundary of Nat. Forest and private land. Comment
  SJSU6170  Salvia dorrii var. incana J. W. Tilden 1958-6-25 1262 Modoc near Monument Headquarters, Lava Caves, Lava Beds National Monument Comment
  CAS-BOT-BC184102  Salvia dorrii var. pilosa Elmer I. Applegate 1935-6-8 9450 Modoc Lava Beds National Monument. Sconchin Butte Comment
  RSA165572  Salvia dorrii var. pilosa Clare B. Hardham 1961-6-17 7529 Modoc Lava flows between Alturas and Susanville 1524 Comment
  CAS-BOT-BC238785  Sambucus nigra subsp. caerulea John Thomas Howell 1934-6-11 11943 Modoc Parker Creek, Warner Mts. 1584 Comment
  RSA610631  Sambucus racemosa L. C. Wheeler 1935-8-14 3852 Modoc Lily Lake, Pine Creek, Warner Mountains. 2073 Comment
  CAS-BOT-BC95179  Sambucus racemosa var. melanocarpa Bruce Bartholomew 1989-8-12 5110 Modoc S end of Coyote Creek, ca. 1.5 km SW of Sunflower Knob, S end of Warner Moutains. 2040 Comment
  JEPS45504  Sanguisorba annua W. L. Jepson 1918-8-12 7957 Modoc Jess Valley 1584 Comment
  JEPS45509  Sanguisorba annua L. S. Smith 1918-6-14 936 Modoc South Slope Buck Creek Ranger Station and Willow Creek 1676 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-BC15678  Sanicula graveolens Bruce Bartholomew 1992-5-16 6335 Modoc NW side of Sweagert Flat. 1850 Comment
  CAS-BOT-BC15723  Sanicula graveolens Alice Eastwood; John Thomas Howell 1940-6-13 8186 Modoc W side of Cedar Pass. Comment
  NY1101599  Sanicula graveolens B. M. Bartholomew 1988-7-23 4559 Modoc Road beyond Poison Lake ca. 8 km south of the road from U.S. Highway 395 to Lily Lake, Warner Mountains 2140 Comment
  UCD128027  Sanicula graveolens Dean Wm. Taylor; Robert A. Price 1988-6-4 9741 Modoc Damons Butte, ca. 2.6 miles west of Highway 139. 1341 Comment
  RSA504661  Sanicula graveolens Bruce Bartholomew, B. Anderson 1988-7-23 4559 Modoc Road beyond Poison Lake 8km S of the road from Hwy 395 to Lily Lake, Warner Mountains. 2140 Comment
  CAS-BOT-BC95564  Sarcobatus vermiculatus E. S. Willits 1940-6-9 340 Modoc Cedarville. Comment
  CAS-BOT-BC95568  Sarcobatus vermiculatus Edward Kent Balls 1950-5-10 14599 Modoc E shore of Middle Lake, near Cedarville. 1402 Comment
  OBI17180  Sarcobatus vermiculatus H. E. McMinn 1931-5-23 2459 Modoc Middle Lake Comment
  RSA152456  Saxifraga nidifica I. L. Wiggins, Dorothy B. Wiggins 1961-6-12 16423 Modoc Near summit of Cedar Pass. Between Alturas and Cedarville. 1936 Comment
  UC11823  Saxifraga oregana Mrs. R. M. Austin July, 1894 Modoc Davis Creek Comment
  UC748344  Saxifraga oregana Annie M. Alexander and Louise Kellogg 1946-7-18 5027 Modoc Benton Meadow; Warner Mountains, Benton Meadow 2072 Comment
  NY784265  Saxifraga oregana var. oregana B. Anderson 1986-7-10 3199 Modoc Warner Mountains. West Warner Road at the North Fork of Pine Creek. 1935 Comment
  RSA504840  Schedonorus pratensis Bruce Bartholomew, B. Anderson 1988-7-22 4482 Modoc Vicinity of East Creak Trailhead, southern end of the Warner Mountains; Sierran Montane forest. 2210 Comment
  UCD126477  Schedonorus pratensis L. Whitney 1935-6-29 3360 -b Modoc Alturas. 1463 Comment
  CAS-BOT-BC245133  Schoenoplectus acutus var. occidentalis R. M. Austin 1895-8-1 487 Modoc Goose Lake. Comment
  RSA210782  Schoenoplectus acutus var. occidentalis Robert F. Thorne, James Henrickson, C. W. Tilforth 1969-9-3 39024 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
  UCD143730  Schoenoplectus americanus Herbert L. Mason 1947-8-11 1349 Modoc on Highway 81, west margin of Lower Lake, near boundary between Lassen and Modoc counties. Comment
  SEINET199876  Scirpus acutus H. L. Mason, V Grant 1947-7-11 13379 Modoc Along S. fork of Pit River downstream from Jess Valley by Forest Service camp site Comment
  UC1100768  Scirpus acutus var. occidentalis Herbert L. Mason, Verne Grant 1947-7-12 13422 Modoc s Alturas (Pit River Valley, irrigation ditch near s end of w side road along railroad tracks); Pit River Valley, s of Alturas Comment
  CAS-BOT-BC245122  Scirpus microcarpus Alice Eastwood; John Thomas Howell 1940-6-13 8183 Modoc E side of Cedar Pass. Comment
  UC1100835  Scirpus microcarpus Verne Grant and Irving Schneider 1947-7-22 8152 Modoc on dirt road leading to s end Goose Lake one mi nw Highway 395 (headwaters North Fork Pit River); , s end Goose Lake Comment
  UC1100880  Scirpus nevadensis Malcolm A. Nobs, S. Galen Smith 1949-7-22 1066 Modoc Likely South Fork Pit River, Likely (on dry bank of canals at South Fork Pit River) Comment
  UC1100805  Scirpus pungens Herbert L. Mason 1948-9-4 13665 Modoc Rush Creek Mono Lake; , Mono Lake Comment
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Jun 2 2015
  UCD124809  Scrophularia lanceolata Verne Grant; Irving Schneider 1947-7-20 8105 Modoc North fork of Pit River, Alturas. Comment
  CAS-BOT-BC179224  Scutellaria nana B. Bartholomew 1991-8-5 6030 Modoc Summit Trail between Pepperdine and Squaw Peak, W side of Warner Mts. 2190 Comment
  JEPS62884  Scutellaria nana Milo S. Baker 1893-6 Modoc near Forestdale Comment
  CHSC109442  Sedum lanceolatum L. P. Janeway; B. Castro 2012-7-24 10975 Modoc Warner Mountains. Northwestern flank of Mount Bidwell; 1.2 air km south of Dismal Swamp. 2362 Comment
  UC748226  Sedum rosea subsp. integrifolium Annie M. Alexander and Louise Kellogg 1946-7-29 5085 Modoc head Eagle Creek (Warner Mountains, moist stony flat below divide); Warner Mountains, head of Eagle Creek Comment
  CHSC113986  Sedum stenopetalum L. P. Janeway 2014-7-7 11450 Modoc Warner Mountains. North-facing slope along Road 46N25 along Mill Creek, 1.0 km from Bidwell Creek; 5.2 air-km northwest of Fort Bidwell. 1554 Comment
  UC748223  Sedum stenopetalum Annie M. Alexander and Louise Kellogg 1946-8-8 5123 Modoc Patterson Lake Trail , Patterson Lake Trail (Warner Mountains) Comment
  UC1299668  Sedum stenopetalum Freed W. Hoffman 1955-7-14 4104 Modoc Cedar Pass Campground Cedar Pass Campground (Highway 8A) Comment
  CAS-BOT-BC95623  Sedum stenopetalum subsp. stenopetalum Barrett Anderson 1986-7-9 3154 Modoc Hwy 299 just W of Cedar Pass, Warner Mts. 1920 Comment
  CAS-BOT-BC50333  Senecio aronicoides Alice Eastwood; John Thomas Howell 1940-6-13 8190 Modoc W side of Cedar Pass. Comment
  CAS-BOT-BC50337  Senecio aronicoides Robert Patterson; Mona Bourell 1993-8-15 5271 Modoc Warner Mountains. Along trail from Patterson Lake to ca. 2 mi north towards Pepperdine Trailhead. 2743 Comment
  CAS-BOT-BC50344  Senecio aronicoides Bruce Bartholomew 1994-5-14 6683 Modoc Near Day Rock. 1280 Comment
  HSC81125  Senecio aronicoides G. M. Riegel 1980-6-25 769 Modoc South Warner Mtns. 2100 Comment
  CDA8600  Senecio canus T. C. Fuller 1965-6-2 13596 Modoc South side of Highway 299 to Canby, 10.3 miles west of Alturas. 0 Comment
  RSA152713  Senecio eremophilus I. L. Wiggins, Dorothy B. Wiggins 1961-6-12 16370 Modoc At junction of Cedar Pass road with California Highway 299, 5.5 miles N of Alturas. Comment
  CDA8611  Senecio eurycephalus J. Monroe 1979-7-9 Modoc Near Parker Creek, east of Alturas. 0 Comment
  CAS-BOT-BC50284  Senecio hydrophilus James D. Jokerst 1983-5-31 1807 Modoc Near Signal Butte. 1340 Comment
  HSC31112  Senecio hydrophilus R. F. Thorne, C. W. Tilforth 1969-9-5 39167 Modoc Modoc National Forest: Warner Mtns.; Clear Lake 1768 Comment
  CAS-BOT-BC50262  Senecio integerrimus R. M. Austin; C. C. (Mrs.) Bruce 1898-6-1 2368 Modoc Davis Creek. Comment
  CAS-BOT-BC50288  Senecio integerrimus var. exaltatus Betty J. Hammerly 1941-6-20 36 Modoc Along banks of Clear Lake, S end of Warner Mts. Comment
  CAS-BOT-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
  RSA0124946  Senecio integerrimus var. exaltatus Peter H. Raven 1962-5-29 17880 Modoc 3.4 miles east of Cedar Pass, Warner Mountains. Comment
  UC748429  Senecio integerrimus var. exaltatus Annie M. Alexander and Louise Kellogg 1946-6-5 4663 Modoc s of Eagleville (along road); Warner Mountains, Emerson Creek 2133 Comment
  SEINET3148743  Senecio integerrimus var. ochroleucus E. K. Balls 1950-5-12 14655 Modoc Hillsides N of Bucks Creek Ranger Station, Modoc National Forest, E of Goose Lake 1646 Comment
  UC71608  Senecio serra var. serra Mrs. M. H. Manning 1893-2 260 Modoc near Fort Bidwell (north-eastern Modoc County); north-eastern Modoc County Comment
  UC748199  Senecio serra var. serra Annie M. Alexander and Louise Kellogg 1946-7-7 4949 Modoc edge of ditch from Eight Mile Creek (ne corner of Modoc County) 1752 Comment
  CAS-BOT-BC50274  Senecio triangularis Bruce Bartholomew 1990-8-5 5676 Modoc Summit Trail, ca. 4 km N of Patterson Ranger Station, W side of Warner Mts. 2470 Comment
  HSC81129  Senecio triangularis G. M. Riegel 1980-8-12 1033 Modoc South Warner Mtns. 2100 Comment
  JEPS5941  Senecio triangularis Frances D. Payne 1931-6-25 257 Modoc 2 mi sw Warren Peak; Warner Mts., Pine Creek Basin 2316 Comment
  UCD116666  Sidalcea glaucescens Jack Major 1966-6-24 s.n. Modoc above Goose Lake, west side of Fandango Pass. 1645 Comment
  CHSC85111  Sidalcea oregana subsp. oregana John Dittes; Josephine Guardino 1991-7-21 426 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
  JEPS67215  Sidalcea oregana subsp. oregana W. L. Jepson 1918-8-7 7864 Modoc Mt. Bidwell Warner Mts., Mt. Bidwell 2072 Comment
  RSA448576  Sidalcea oregana subsp. oregana George Willet, Bonnie C. Templeton 1935-6-14 s.n. Modoc 6 miles E. of Likely 1524 Comment
  UC71752  Sidalcea oregana subsp. oregana Mrs. M. H. Manning 1892-2 45 Modoc Warner Range Warner Range (north-eastern Modoc County) 1828 Comment
  CHSC117013  Sidalcea oregana subsp. spicata Lowell Ahart; John Dittes 2016-6-6 20954 -A Modoc About 40 yards west of the dirt road, about 50 yards southwest of the intersection of County Road 87 and Access Road to Pilot Butte Parking area, northeast base of Pilot Butte, 3.8 miles (air) east of Lookout, 7.5 miles (air) west of Adin, Ash Creek State Wildlife Area 1271 Comment
  RSA448221  Sidalcea oregana subsp. spicata George Willet 1935-6-12 s.n. Modoc 4 miles E. of Likely 1524 Comment
  RSA448222  Sidalcea oregana subsp. spicata George Willet 1935-6-26 s.n. Modoc Jess Valley, Warner Mountains 1829 Comment
  NY446740  Silene douglasii B. M. Bartholomew 1991-8-5 6031 Modoc Summit Trail between Pepperdine and Squaw Peak, west side of Warner Mountains. 2190 Comment
  NY446741  Silene douglasii F. M. Ownbey 1940-7-1 2154 Modoc Cedar Peak, Warner Mountains Comment
  CAS-BOT-BC95251  Silene douglasii var. douglasii Annie Montague Alexander; L. Kellogg 1946-8-9 5128 Modoc Patterson Lake Trail, Warner Mts. Comment
  CDA3459  Silene latifolia subsp. alba T. C. Fuller 1975-9-4 20097 Modoc West side of Highway 139, 2 miles south of the plant quarantine station. 0 Comment
  CHSC106327  Sisymbrium altissimum Lowell Ahart; John Dittes 2010-8-31 17130 Modoc On the east side of Elkins Lane, about 100 yards north of the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  OBI48154  Sisyrinchium douglasii Rhonda Riggins 1989-4-28 1674 Modoc 0.3 mi W West Warner Rd on parker Creek Rd, W side Warner Mts 1463 Comment
  SEINET10861153  Sitanion hystrix Bruce M. Bartholomew 1989-7-14 Bartholomew 4949 Modoc Ca. 8 km NE of Egg Lake and 2.5 km E of Survice Gulch. Ponderosa Pine Forest. 1340 Comment
  UC71554  Sium suave Mrs. M. H. Manning 1903-7-1 461 Modoc Mill Canyon, Bidwell Creek, in north-eastern Modoc County Bidwell Creek; Mill Canyon, Bidwell Creek 1828 Comment
  JEPS62132  Smilacina racemosa W. L. Jepson 1918-8-7 7901 Modoc North Fork Bidwell Creek Warner Mts. 1828 Comment
  JEPS62126  Smilacina racemosa Frances D. Payne 1931-6-21 226 Modoc ridge w Dry Creek (creek is a tributary of Parker Creek, s and e of Alturas); Warner Mountains 1981 Comment
  UCD126920  Solanum dulcamara Verne Grant; Irving Schneider 1947-7-19 8076 Modoc Williams ranch; along Souhern Pacific right-of-way near East Canal, in Pit Valley south of Alturas. Comment
  POM213135  Solanum triflorum Carl B. Wolf 1931-9-5 2399 Modoc Roadside, on grade from Lake City-Fort Bidwell Road - to Davis Creek. (3 miles above east base) Warner Mtns. 1677 Comment
  SBBG128253  Solanum triflorum L. Ahart, J. Dittes 2010-8-30 17083 Modoc parking area W of the old barn, on the W side of Elkins Lane, Ash Crk State Wildlife Area, 320 feet N of Lassen County Line, ca. 4.4 mi W of Adin, ca. 7.2 mi NE of Bieber, Big Valley 1266 Comment
  CAS-BOT-BC245435  Solanum umbelliferum Milo Samuel Baker; Franklin P. Nutting 1894-6-8 s.n. Modoc Little Hot Spring Valley. Comment
  RSA504637  Solanum umbelliferum Bruce Bartholomew, B. Anderson 1988-6-23 4260 Modoc 1.8 km WSW of Day on County Road 94. 1170 Comment
  UCR57899  Solidago californica R. D. Goeden, Don W. Ricker 1989-8-23 33 Modoc Warner Mtns., Modoc National Forest, just west of Fandango Pass 1841 Comment
  POM42201  Solidago canadensis subsp. elongata Mrs. R. M. Austin 573 Modoc Alturas Comment
  SEINET3167750  Solidago elongata J. C. Semple, B. A. Suripto 1990-8-11 9295 Modoc NE of Altura, flood plain of N. Fork Railroad by US-395, approx. 2 km S of Joseph Creek Rd. Comment
  CAS-BOT-BC158917  Sorbus scopulina A. D. Borden 1911-8-1 s.n. Modoc Along high run on south slope of south fork of Parker Creek, Modoc Forest. Comment
  SBBG3121  Sorbus sitchensis H. and M. Dearing 1939-6-8 3638 Modoc Cave Lake, Warner Mtns Comment
  CAS-BOT-BC242255  Sparganium emersum Verne Grant; I. Schneider 1947-7-22 8137 Modoc North Fork of Pit River by State Quarantine Station. Comment
  CHSC111410  Sparganium emersum Lowell Ahart; John Dittes 2012-7-10 18326 Modoc 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
  NY453053  Spergularia rubra B. M. Bartholomew 1988-7-23 4583 Modoc Dismal Swamp, Warner Mountains. Fort Bidwell 15' Quad. 2180 Comment
  HSC80788  Sphenosciadium capitellatum G. M. Riegel 1980-8-13 1047 Modoc South Warner Mountains 2100 Comment
  UC4844  Spiranthes porrifolia Milo S. Baker 1893-8-13 Modoc Comment
  UC1191923  Stachys palustris subsp. pilosa Verne Grant, Irving Schneider 1947-7-18 8046 Modoc 5 mi n Bayley's Bridge (Eastside Canal, s of Alturas) Comment
  UC635183  Stachys palustris subsp. pilosa F. H. Frost 1925-7-24 104 Modoc Jess Valley Warner Mts. Comment
  UC748040  Stachys palustris subsp. pilosa Annie M. Alexander and Louise Kellogg 1946-7-12 4984 Modoc Twelve Mile Creek, ne corner of county Twelve Mile Creek Comment
  CAS-BOT-BC179213  Stachys pilosa B. Bartholomew 1989-8-13 5144 Modoc Hunter Spring, just W of Knox Flat. 1800 Comment
  UC8677  Stellaria longipes var. longipes Milo S. Baker 1893-6-28 Modoc Comment
  CAS-BOT-BC95301  Stellaria umbellata Bruce Bartholomew 1991-8-5 6034 Modoc Squaw Peak Trail on N side of Squaw Peak, E side of Warner Mts. 2420 Comment
  CAS-BOT-BC248363  Stenotus acaulis B. Bartholomew; H. Sun 2002-6-24 8846 Modoc E of Bald Mt., on the E side of the Warner Mountains 2170 Comment
  CAS-BOT-BC54253  Stenotus acaulis Leland S. Smith 1919-6-5 1119 Modoc Deep Creek, near station. 1584 Comment
  CAS-BOT-BC54257  Stenotus acaulis Annie Montague Alexander; L. Kellogg 1946-8-9 5138 Modoc Patterson Lake Trail, Warner Mts. Comment
  CAS-BOT-BC54298  Stenotus acaulis Leland S. Smith 1917-6-19 118 Modoc Cedar Pk. 2560 Comment
  SBBG8314  Stenotus acaulis H. and M. Dearing 1939-6-9 3633 Modoc near Squaw Peak, Warner Mtns 2133 Comment
  JEPS36864  Stephanomeria lactucina Milo S. Baker 1894-7-30 Modoc Silver Lake Comment
  POM172669  Stephanomeria lactucina Franklin P. Nutting s.n. Modoc Big Valley Mtns. Comment
  CAS-BOT-BC322919  Stephanomeria tenuifolia Elmer I. Applegate 1936-7-3 10500 Modoc East slope of Hippo Butte, Lava Beds National Monument Comment
  SEINET10893284  Stipa lettermanii Louis C. Wheeler 1935-8-3 Wheeler 3752 Modoc Dry semi-sunny timbered E slope; Dismal Swamp, Twenty Mile Creek, Warner Mts. 2225 Comment
  NY188818  Streptanthella longirostris R. C. Barneby 1982-5-27 17845 Modoc 3 miles E of Eagleville. Comment
  POM266324  Streptanthus cordatus Marion Ownbey, Fred G. Meyer 1940-7-1 2135 Modoc Cedar Pass, Warner Mts. 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
  CAS-BOT-BC95063  Streptanthus cordatus var. cordatus Annie Montague Alexander; L. Kellogg 1946-6-22 4815 Modoc Bidwell Creek, 2 mi. above Fort Bidwell. Comment
  CAS-BOT-BC95067  Streptanthus cordatus var. cordatus Alice Eastwood; John Thomas Howell 1940-6-13 8138 Modoc W side of Fandango Pass. Comment
  CAS-BOT-BC95071  Streptanthus cordatus var. cordatus Annie Montague Alexander; L. Kellogg 1946-6-22 4815 Modoc Bidwell Creek, 2 mi. above Fort Bidwell. Comment
  POM313008  Stuckenia pectinata Verne Grant, Irving Schneider 1947-7-19 8085 Modoc Irrigation ditch south of Williams ranch house, north of Likely. Comment
  RSA114086  Stuckenia striata H. L. Mason 1955-8-14 14648 Modoc Plants floating near or below surface, spikes usually emersed, S end o Goose Lake, Modoc County Comment
  UCD138335  Stuckenia striata Robert F. Thorne; J. Henrickson, C. W. Tilforth 1969-9-4 39084 Modoc east shore of Goose Lake at Willow Ranch. 1432 Comment
  JEPS90830  Suaeda calceoliformis Dean W. Taylor 1989-8-4 10434 Modoc 2.5 mi e of Eagleville (between Middle Lake and Lower Lake, Modoc Plateau, Surprise Valley); Modoc Plateau, Surprise Valley 1341 Comment
  NY540342  Suaeda calceoliformis B. M. Bartholomew 1990-7-21 5560 Modoc West edge of Middle Alkali Lake, directly east of Cedarville, Surprise Valley 1370 Comment
  CAS-BOT-BC180095  Swertia albicaulis var. nitida Milo Samuel Baker 1894-6-13 Modoc Near Egg Lake. Comment
  UC22713  Swertia albicaulis var. nitida Milo S. Baker 1894-6-13 Modoc near Egg Lake Comment
  CAS-BOT-BC180088  Swertia radiata B. Bartholomew; B. Anderson 1988-7-22 4518 Modoc NE side of Patterson Meadow, southern end of the Warner Mountains 2180 Comment
  UC1037210  Symphoricarpos mollis Leo Whitney 1934-5-28 1573 Modoc near Hackamore (Spaulding Butte, ca 15 mi nw of Canby); Modoc National Forest, Spaulding Butte 1463 Comment
  CAS-BOT-BC95201  Symphoricarpos rotundifolius var. rotundifolius Bruce Bartholomew 1989-7-15 5014 Modoc Manzanita Lookout, top of Manzanita Mountain. 2130 Comment
  HSC80925  Symphoricarpos rotundifolius var. rotundifolius G. M. Riegel 1978-6-28 34 Modoc S Warner Mtns. 1670 Comment
  UC75818  Symphyotrichum ascendens Milo S. Baker 1898-8-1 524 Modoc Forestdale 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
  UC912524  Symphyotrichum bracteolatum F. H. Frost 1925-7-25 161 Modoc Eagle Peak Warner Mts. Comment
  SD64360  Symphyotrichum bracteolatum Darley F. Howe 1966-8-26 Modoc 1.3 miles north of Lassen-Modoc County Line. East of Warner Mountains. 1340 Comment
  UC469023  Symphyotrichum foliaceum M. F. Gilman Modoc Comment
  UC71699  Symphyotrichum foliaceum Mrs. M. H. Manning 1903-8-22 269 Modoc Warner Range Warner Range (ne Modoc County) Comment
  UC1192072  Symphyotrichum frondosum Verne Grant and Irving Schneider 1947-8-27 8317 Modoc southwest end of Clear Lake Comment
  UC86960  Symphyotrichum frondosum Mrs. R. M. Austin 1885-6-1 Modoc Goose Lake Valley Comment
  UC469026  Symphyotrichum spathulatum W. P. Taylor and H. C. Bryant 1910-7-24 Modoc Squaw Peak Warner Mountains, Squaw Peak Comment
  CAS-BOT-BC15173  Symphyotrichum spathulatum var. spathulatum Annie Montague Alexander; L. Kellogg 1946-7-13 4991 Modoc Cowhead Lake. Comment
  CAS-BOT-BC232355  Synthyris missurica Bruce Bartholomew 1991-6-21 5801 Modoc Vicinity of Lily Lake, N end of the Warner Mountains. 2030 Comment
  JEPS27951  Synthyris missurica Frances D. Payne 1929-7-26 129 Modoc Warner Mountains, Pine Creek Basin Pine Creek Basin; Warner Mountains, Pine Creek Basin 2133 Comment
  JEPS9933  Synthyris missurica L. S. Smith 1917-7-1 Modoc n slope Mt. Warren 2590 Comment
  CAS-BOT-BC232365  Synthyris missurica C. C. (Mrs.) Bruce 1898-6-1 2132 Modoc Lake City Mt. Comment
  CHSC109733  Synthyris missurica subsp. missurica B. Castro; L. P. Janeway 2012-7-28 1980 Modoc Warner Mountains. Along the major eastern tributary of Pine Creek where the road to Poison Lake crosses it (the road washed out here). 1943 Comment
  CAS-BOT-BC252540  Taeniatherum caput-medusae Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16376 Modoc Junction of Cedar Pass road and Hwy. 299, 5.5 mi. N of Alturas. Comment
  UCD86197  Taeniatherum caput-medusae R. Tofsrud 1950-7-25 s.n. Modoc Hwy. 299, Pit River bridge, few mi. S. of Canby. Comment
  POM203852  Taraxacum officinale J. T. Howell 1934-6-14 12139 Modoc Near Lost Lake, Warner Mts. 2439 Comment
  JEPS31478  Taraxia subacaulis F. Payne 1929-7-7 54 Modoc 2 mi sw Warren Peak; Warner Mts., Pine Creek Basin 2133 Comment
  UC748416  Taraxia subacaulis Annie M. Alexander and Louise Kellogg 1946-6-26 4831 Modoc Dismal Swamp north end of Warner Mountains 2255 Comment
  UC619273  Taraxia tanacetifolia J. and H. W. Grinnell 1938-6-16 1115 Modoc flat land near Cow Head Lake Comment
  JEPS114493  Tetradymia canescens Lowell Ahart, John Dittes 2008-8-25 15299 Modoc On the west side of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-notheast of Lookout 1273 Comment
  JEPS20876  Tetradymia canescens W. L. Jepson 1918-8-12 7948 Modoc Jess Valley 1584 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
  HSC1962  Thalictrum fendleri M. T. Milligan 1966-7-3 549 Modoc Slopes and ridges E of Jess Valley 1829 Comment
  UCSB11497  Thalictrum fendleri var. fendleri Dearing, Hugh; Dearing, Margaret 1939-6-8 Modoc Pine Canon, Warner Mountains 182 Comment
  UC10958  Thelypodium howellii M. S. Baker and Frank Nutting 1893-7-6 Modoc Comment
  CAS-BOT-BC181797  Thermopsis californica var. argentata Leland S. Smith 1924-6-3 1360 Modoc Modoc County. Comment
  UC16384  Thermopsis macrophylla var. argentata Milo S. Baker Aug. 1894 Modoc Big Valley Mts. Comment
  CHSC99272  Thlaspi arvense Lowell Ahart; John Dittes 2008-6-21 15004 Modoc About 30 yards west of the levee, along a deep natural drainage, open meadow area, in Big Valley, about 3.6 miles (air) northeast of the Headquarters at Ash Creek State Wildlife Area, about 6.4 miles (air) northeast of Bieber. Comment
  RSA152724  Tragopogon pratensis I. L. Wiggins, Dorothy Wiggins 1961-6-13 16444 Modoc Roadside ditch 11 mi. N of Cedarville, in Surprise Valley. Comment
  HSC14462  Trichostema oblongum D. E. Anderson 1962-8-6 2326 Modoc Along Rush Creek paralleling Hwy. 299, 2 mi. E of Adin Comment
  UC2029544  Trichostema simulatum Richard R. Halse 2012-8-30 8710 Modoc At the junction of State Highway 139 and the Lookout-Hackamore Road (N. F. Road 46 road to Bieber), ca. 16 miles northwest of Canby Comment
  UCD107919  Trifolium eriocephalum var. harneyense Collector Unknown 1949-6-1 s.n. Modoc Eagleville, D. L. Grove Ranch. 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
  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
  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-BC181730  Trifolium macrocephalum Bruce Bartholomew; Barrett Anderson 1988-5-14 4191 Modoc 7 km S of turn off to Crowder Flats along West Side Road, W side of Goose Lake. 1410 Comment
  JEPS65940  Trifolium macrocephalum Frances D. Payne 1929-6-23 26 Modoc S and E of Alturas (Parker Creek); Warner Mountains 1584 Comment