Search Results — 2000 specimen records retrieved (1490 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

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

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A yellow cell in the column headed "?", for records with coordinates, indicates a discrepancy with respect to range as specified in the eFlora. Read more ...
? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  RSA59536  Abies concolor E. K. Balls 1950-5-20 14801 Modoc Above Mill Creek Falls Camp, toward Clear Lake. 1784 Comment
  UC1191107  Abies concolor F. H. Frost 1925-7-11 24 Modoc 2 mi above Cedarville; Warner Mts., Cedar Canyon Comment
  CAS-BOT-BC15629  Achillea millefolium R. M. Austin 1894-6-1 Modoc Lava beds. 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-BC15669  Achillea millefolium Leland S. Smith 1922-7-20 1299 Modoc Rush Creek Ranger Station. 1905 Comment
  JEPS36905  Achillea millefolium W. L. Jepson 1918-8-7 7862 Modoc Mt. Bidwell 2133 Comment
  CAS-BOT-BC242287  Achnatherum Leland S. Smith 1924-5-31 s.n. Modoc W side Egg Lake. Comment
  UCD50343  Achnatherum hymenoides Beecher Crampton; with Carl Rimbey 1954-7-7 2151 Modoc 7 miles east of Cedarville. Comment
  SEINET191855 Image available Achnatherum lemmonii C. L. Hitchcock 1940-5-28 6724 Modoc 15 mi N of Alturas (near Surprise) 1402 Comment
  UC1024716  Achnatherum lemmonii Leo Whitney 1935-5-20 3096 Modoc near Spaulding's Butte (Hackamore, ca. 15 mi nw of Canby); Modoc National Forest, Hackamore 1463 Comment
  UC1037171  Achnatherum lemmonii Leo Whitney 1935-7-21 3530 Modoc 15 mi w Canby (Happy Camp); Modoc National Forest 1463 Comment
  UCD32695  Achnatherum lemmonii Beecher Crampton 1954-7-6 2110 Modoc Modoc County, Road 56, following Shields Creek into Warner Mountains, 22 miles east of Alturas. Comment
  RSA27042  Achnatherum lemmonii var. lemmonii C. L. Hitchcock 1940-5-28 6724 Modoc near Surprise, ca. 15 miles north of Alturas 1402 Comment
  CAS-BOT-BC242321  Achnatherum lettermanii Bruce Bartholomew; Barrett Anderson 1990-7-21 5577 Modoc Homestead Flat, ca. 2.5 km E of Patterson Ranger Station, E side of Warner Mts. 2160 Comment
  SEINET5585613 Image available Achnatherum lettermanii R. J. Leader, C. S. Leader 1949-1 C- 218 Modoc Badger Wells, 10 miles east of Hackamore Forest Camp on the Canby-Klamath Falls highway 17 miles east of Canby, Modoc National Forest 1585 Comment
  UCD50849  Achnatherum nevadense Beecher Crampton; Carl Rimbey 1954-7-7 2143 Modoc : Cedar Pass Summit, Warner Mountains. 1920 Comment
  UC1024991  Achnatherum occidentale subsp. pubescens Leo Whitney 1935-7-7 3397 Modoc 4 mi nw Canby (Howard Gulch); Howard Gulch Comment
  UCD51222  Achnatherum occidentale subsp. pubescens Beecher Crampton; Carl Rimbey 1954-7-6 2112 Modoc 20 miles E of Alturas. Warner Mountains. Above Shields Creek. 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
  UCD32714  Achnatherum thurberianum Beecher Crampton 1954-7-7 2146 Modoc Modoc County, 3 miles west of Cedarville, east side of Cedar Pass, on volcanic slopes. 1097 Comment
  UCD51428  Achnatherum thurberianum Beecher Crampton; Carl Rimbey 1954-7-7 2146 Modoc East side of Cedar Pass, Warner Mountains, 3 miles west of Cedarville. Comment
  CHSC99901  Acmispon americanus var. americanus Lowell Ahart; John Dittes 2008-8-25 15302 Modoc On the west bank (flood plain) of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout. 1273 Comment
  SJSU9550  Acmispon americanus var. americanus W. Savage 1979-7-3 1284 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  CHSC107371  Acmispon denticulatus Lowell Ahart; John Dittes 2011-6-22 17545 Modoc On the west side of the road, about 30 yards north of the Pilot Butte Parking Lot, north edge of Ash Creek Floodplain, 1.1 miles (air) south of County Road 87, 7.7 miles (air) west of Aden, 10 miles (air) east of Lookout, Big Valley. 1264 Comment
  SBBG30557  Acmispon denticulatus D. Myrick 1968-6-20 1982 Modoc Airport Rd, 7 mi N of Alturas 1524 Comment
  SJSU9563  Acmispon denticulatus W. Savage 1979-7-3 1303 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  CDA34271  Acroptilon repens L. Ahart, J. Dittes 2010-8-31 17093 Modoc Just south of the Parking Area on the west side of Elkins Lane, Ash Creek State Wildlife Area, about 7.2 miles (air) northeast of Bieber, Big Valley. Comment
  CAS-BOT-BC218313  Actaea rubra Francis Dorris Payne 1932-7-22 743 Modoc Parker Creek. 1584 Comment
  POM174164  Adenocaulon bicolor Milo S. Baker 1893-1 s.n. Modoc Modoc County Comment
  RSA504849  Adenocaulon bicolor Bruce Bartholomew, B. Anderson 1988-7-21 4441 Modoc Above Upper Rush Creek Campground ca. 4 km. E of State Highway 299 between Adin and Canby. 1580 Comment
  UC71685  Adenocaulon bicolor Mrs. M. H. Manning 1904-8-26 312 Modoc Mill Canon; northeast Modoc County Comment
  JEPS118477  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 2,300 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley 1267 Comment
  CAS-BOT-BC179879  Agastache urticifolia Robert Patterson; Mona Bourell 1993-8-15 5266 Modoc Warner Mountains. Along trail from Patterson Lake to ca. 2 mi north towards Pepperdine Trailhead. 2743 Comment
  CAS-BOT-BC179885  Agastache urticifolia Elmer Ivan Applegate 1932-7-31 7956 Modoc Mill Creek Meadows, W slope of Warner Mountains. Comment
  CAS-BOT-BC179886  Agastache urticifolia John Thomas Howell 1934-6-11 11949 Modoc Parker Creek. 1584 Comment
  CHSC109893  Agastache urticifolia B. Castro; L. P. Janeway 2012-7-26 1966 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
  HSC14180  Agastache urticifolia M. T. Milligan 1966-7-3 537 Modoc Slopes and ridges E of Jess Valley 1829 Comment
  UCLA72420  Agastache urticifolia Frances D. Payne 1932-6-26 607 Modoc Parker Creek 1828 Comment
  HSC81110  Ageratina occidentalis G. M. Riegel 1979-7-30 620 Modoc S Warner Mtns. 640 Comment
  HSC81120  Ageratina occidentalis G. M. Riegel 1979-7-30 620 Modoc S Warner Mtns. 640 Comment
  SFV10995  Ageratina occidentalis J. Turner, F. M. Ball 1962-7-12 1189 Modoc Shortly below summit of Fandango Pass on east side. 1829 Comment
  HSC42416  Ageratina occidentalis Barbara Kelly 1977-8-9 578 Modoc Trail to Clear Lake; first right hand bend from fork to Mill Creek Falls. 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
  UCR34708  Agoseris J. A. Harpel 1981-8-6 V- 37 Modoc Warner Mtns, South Warner Wilderness Area: E end of Patterson Lake, 7 mi NW of Eagleville 2744 Comment
  CAS-BOT-BC21367  Agoseris aurantiaca Bruce Bartholomew 1990-8-4 5622 Modoc Slope on N side of Pine Creek Basin on trail to Patterson Lake, W side of Warner Mts. 2380 Comment
  UC450127  Agoseris glauca var. glauca Milo S. Baker 1893-6 Modoc near Egg Lake; ; near Egg Lake, Modoc Co. 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
  CAS-BOT-BC126783  Agoseris parviflora John Thomas Howell 1934-6-13 12079 Modoc Fandango Pass, Warner Mts. 1828 Comment
  UC1332115  Agoseris parviflora Alice Eastwood and John Thomas Howell 1940-6-11 8029 Modoc 8 mi from, on rd to Alturas Canby Comment
  CAS-BOT-BC242308  Agropyron cristatum Bruce Bartholomew; Barrett Anderson 1990-7-20 5487 Modoc 10.3 km N of Buck Creek Ranger Station, crest of Warner Mountains W side of Warner Mts. 2130 Comment
  UCD57064  Agropyron spicatum L. Whitney 1935-7-11 3454 Modoc Hackamore. Comment
  CAS-BOT-BC242424  Agrostis exarata Bruce Bartholomew; Barrett Anderson 1988-7-23 4597 Modoc Pine Creek, 4 km E of U.S Highway 395 on the road to Lily Lake, Warner Mts.. 1620 Comment
  UC1025043  Agrostis exarata Leo Whitney 1935-8-19 3629 Modoc ca 15 mi nw Canby (Lake Joaquina, Hackamore); Modoc National Forest, Lake Joaquina, Hackamore 1463 Comment
  POM203129  Agrostis pallens J. T. Howell 1934-7-3 12377 Modoc 5 miles S of Hackamore Comment
  UC1024667  Agrostis pallens Leo Whitney 2182 Modoc 15 mi nw Canby; Modoc National Forest, Hackamore 1463 Comment
  JEPS114869  Agrostis stolonifera Lowell Ahart, John Dittes 2008-8-25 15284 Modoc W bank of the Pit River, about 1/8 mi E of County Road 91, about 3.8 mi (air) N-NE of Lookout 1273 Comment
  UCD32679  Agrostis stolonifera Beecher Crampton 1954-7-6 2086 Modoc Modoc County, 4 miles north Likely, flat along US highway 395. Comment
  CAS-BOT-BC190680  Aliciella micromeria Bruce Bartholomew; Barrett Anderson 1989-6-2 4835 Modoc 6.4 km E of Eagleville on the road to the California state border, E side of Surprise Valley. 1550 Comment
  CAS-BOT-BC238449  Alisma gramineum Herbert L. Mason 1955-8-13 14653 C Modoc South end of Goose Lake. Comment
  POM261432  Alisma gramineum Alice Eastwood, J. T. Howell 1940-6-12 8037 Modoc Likely Comment
  POM313031  Alisma gramineum H. L. Mason 1955-8-13 14653 -A Modoc Southwest side of Goose Lake Comment
  UC985666  Alisma gramineum Herbert L. Mason 1947-8-15 13557 Modoc spring feeding into w side Goose Lake (11 mi from Davis Creek) Comment
  HSC65393  Alisma triviale Thomas Wood 1979-8-8 224 Modoc 1.2 mi. S and then W of Ft. Bidwell, along Hwy. 1, S of road, at edge of creek 1372 Comment
  RSA0011494  Alisma triviale Robert F. Thorne, Larry E. DeBuhr 1975-8-22 46969 Modoc North edge of Likely along south fork of Pit River 1357 Comment
  CAS-BOT-BC245013  Allium acuminatum K. Paulson; Robert Paulson 1989-6-21 138 Modoc Vicinity of N Fork of Fitzhugh Creek, W side of the Warner Mts. 1493 Comment
  SEINET12048490  Allium acuminatum Unknown 1957-1 Modoc Comment
  SEINET8111991  Allium acuminatum M. J. Williams 1984-1 Modoc Comment
  SJSU9707  Allium acuminatum W. Savage 1979-7-10 1525 Modoc Oregon Rim Unit, Devils Garden District, Modoc National Forest 1645 Comment
  UCD141839  Allium amplectens L. K. Mann; M. D. Mann 1963-6-18 s.n. Modoc 4.6 miles north of Adin toward Alturas. Comment
  JEPS47580  Allium lemmonii Frances D. Payne 1932-6-10 533 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  CAS-BOT-BC244974  Allium platycaule Margaret J. Williams 1984-6-28 84- 69 -1 Modoc End of Soldier Creek. 2072 Comment
  JEPS47624  Allium platycaule Mary H. Manning June 1920 Modoc Likely Comment
  SEINET198562  Allium platycaule Helen K. Sharsmith 1955-6-22 4484 Modoc Just north of Cedar Pass. 1890 Comment
  UC1585398  Allium platycaule R. Raiche and K. Zadnik 1989-7-4 90182 Modoc near Oregon border; Warner Mts., Dismal Swamp area 2010 Comment
  UC725720  Allium platycaule A. A. Heller 1941-6-25 16207 Modoc Cedar Pass 1935 Comment
  RSA540078  Allium tolmiei Bruce Bartholomew, B. Anderson 1989-6-3 4894 Modoc ca. 5 km east of the SE corner of Clear Lake Reservoir. 1450 Comment
  CAS-BOT-BC244953  Allium tolmiei var. tolmiei K. Paulson; Robert Paulson 1990-6-21 205 Modoc N of Stough Reservoir, E side of Warner Mts. 1950 Comment
  CAS-BOT-BC190745  Allophyllum gilioides subsp. gilioides Bruce Bartholomew 1995-5-12 6899 Modoc Near NE side of Day Rock above Little Hot Spring Valley. 1310 Comment
  CAS-BOT-BC190746  Allophyllum gilioides subsp. gilioides Bruce Bartholomew 1995-6-22 6983 Modoc Between Day and Lookout, 17.0 km W of Day on County Road 94. 1280 Comment
  CAS-BOT-BC242301  Alopecurus aequalis Alice Eastwood; John Thomas Howell 1940-6-13 8178 Modoc East side of Cedar Pass. Comment
  UC1158679  Alopecurus aequalis Arthur Cronquist and Arthur H. Holmgren 1959-6-19 8492 Modoc 15 mi. e. Likely (along shore of Clear Lake); Warner Mts., Clear Lake 1828 Comment
  SEINET7594562 Image available Alopecurus aequalis A. Cronquist, A. H. Holmgren 1959-6-19 8492 Modoc Directly along the shore of Clear Lake, Warner Mts., 15 miles E of Likely Twp. 1829 Comment
  CHSC110902  Alopecurus carolinianus Lowell Ahart; John Dittes 2012-7-12 1357 Modoc About 1/8 mile east of the parking area on the east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  UC1100226  Alopecurus geniculatus Herbert L. Mason and Verne Grant 1947-7-12 13396 Modoc several mi. s. Alturas (irrgation ditch by Jones' Lane, off Hwy. 395) Comment
  CAS-BOT-BC242334  Alopecurus pratensis Bruce Bartholomew; Barrett Anderson 1989-6-1 4747 Modoc ca. 0.5 km W of Davis Creek on road to S end of Goose Lake. 1460 Comment
  SEINET10971739  Alopecurus pratensis Billy Joe Cox, David B. Dunn 1971-6-3 Cox 2614 Modoc 4 mi s of davis creek on us hwy 395, in very mesic grassland sedge meadow, Lupines very sparse and approximately a week or more behind the flowering of Those near alturas. 1402 Comment
  OBI47987  Alyssum alyssoides Rhonda Riggins 1989-4-28 1665 Modoc Pencil Rd 4.4 mi N of hwy 395 E of Alturas. T43N R12E, sec 13 1524 Comment
  SEINET5783736 Image available Alyssum minus S. Saufferer 1973-5-5 131 Modoc about 7.5 mi. S of Pine Creek, along Hwy 395 Comment
  CAS-BOT-BC58601  Alyssum simplex S. Saufferer 1973-5-5 131 Modoc About 7.5 mi. S of Pine Creek along Highway 395. Comment
  CAS-BOT-BC58650  Alyssum simplex Bruce Bartholomew; Barrett Anderson 1988-5-13 4179 Modoc Juniper Flats, 10 km E of Likely on road to Jess Valley, W side of the Warner Mts.. 1450 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
  JEPS54307  Amaranthus blitoides Frances D. Payne 1932-7-8 668 Modoc Parker Creek, Warner Mountains, south and east of Alturas. 1584 Comment
  POM91701  Amelanchier pumila R. M. Austin 1895-1 457 Modoc Goose Lake Valley Comment
Read comments
Sep 5 2010
  CAS-BOT-BC217082  Amelanchier utahensis A. D. Borden 1911-5-20 s.n. Modoc Sugar Hill, Modoc Forest Comment
  CAS-BOT-BC217089  Amelanchier utahensis Doris K. Kildale 1927-9-11 2786 Modoc Near Alturas. 1371 Comment
  CAS-BOT-BC217093  Amelanchier utahensis Bruce Bartholomew 1989-7-15 4985 Modoc 7 km from State Hwy 299 on road to Manzanita Mountain. 1830 Comment
  CAS-BOT-BC217097  Amelanchier utahensis Elmer Ivan Applegate 1929-6-25 5901 Modoc Cottonwood Creek, E side of Goose Lake. Comment
  JEPS45141  Amelanchier utahensis W. L. Jepson 1918-8-6 7838 Modoc Summit of Fandango Pass; Warner Mts. 1859 Comment
  SBBG27371  Amelanchier utahensis C. L. Hitchcock 1940-5-27 6701 Modoc 15 mi NE of Alturas 1615 Comment
  UC466776  Amelanchier utahensis Franklin P. Nutting Modoc Forestdale Comment
  UCSB18015  Amelanchier utahensis Haller, John 1962-6-8 Modoc Slopes adjacent to South Fork of the Pit River, near Little Meadows Campground, Likely-Eagleville Road about 8 miles East of Likely, Warner Mountains 1584 Comment
  UC1191835  Amsinckia menziesii var. menziesii Verne Grant, Irving Schneider 1947-7-18 8044 Modoc 5 mi n Bayley's Bridge (s of Alturas); Eastside Canal 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
  CDA40462  Amsinckia tessellata var. tessellata T. C. Fuller 1965-6-2 13594 Modoc South side of Highway 299 to Canby, 10.3 miles west of Alturas. 0 Comment
  UC1035989  Amsinckia tessellata var. tessellata Helen K. Sharsmith 1955-6-22 4502 Modoc just outside w boundary of Modoc National Forest (w slope Warner Mountains, West Valley resevoir); Warner Mountains, West Valley 1524 Comment
  CAS-BOT-BC15608  Ancistrocarphus filagineus Bruce Bartholomew; Barrett Anderson 1989-6-2 4801 Modoc 6.4 km E of Fort Bidwell on road to Fee Reservoir, NE corner of Surprise Valley. 1460 Comment
  JEPS33959  Antennaria argentea L. S. Smith 1917-7-1 88 Modoc Granger Ranger Ste.; Warner Mts. 1676 Comment
  POM203063  Antennaria geyeri J. T. Howell 1934-6-30 12255 Modoc Duncan Horse Camp. Comment
  UC29492  Antennaria geyeri M. S. Baker and Frank Nutting 1894-1 Modoc Egg Lake Comment
  CAS-BOT-BC15584  Antennaria geyeri Frank Warrington Peirson 1926-7-26 6909 Modoc NW of Canby. Comment
  RSA93633  Antennaria geyeri F. W. Peirson 1926-6-26 6909 Modoc Modoc National Forest NW of Canby. Comment
  RSA323625  Antennaria luzuloides A. Tiehm 1984-6-30 8835 Modoc NW side of Bidwell Mt., 2.2 road miles north of 8 mile creek on the road from Lake Annie. 1844 Comment
  CAS-BOT-BC15595  Antennaria luzuloides Leland S. Smith 1924-6-23 1430 Modoc Modoc County. Comment
  CHSC85132  Antennaria luzuloides subsp. aberrans John Dittes; Josephine Guardino 1991-6-1 371 Modoc Modoc Plateau; Big Valley; Ash Creek Wildlife Area; ca. 5.7 air-miles northeast of Bieber, ca. 7.6 air-miles west of Adin, ca. 1.5 air-mile southeast of Pilot Butte summit; at northern edge of Ash Creek Floodplain (Big Swamp) at southeast base of Pilot Butte. 1258 Comment
  CHSC100357  Anthemis cotula Lowell Ahart; John Dittes 2008-8-26 15356 Modoc Southeast side of Rose Creek, 700 feet southwest of confluence of Rose Creek and Pit River, on the northwest side of unnamed road, northeast of wire gate, 2710 feet east of intersection with County Road 85a, 9.3 miles (air) north-northeast of Lookout. 1276 Comment
  CHSC117244  Anthemis cotula Lowell Ahart 2016-7-16 21237 Modoc Between the first pond and the second going west, south of Ash creek Canal (now filled in) south of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.75 miles (air) west of Adin, Big Valley. 1273 Comment
  CHSC99780  Apera interrupta Lowell Ahart; John Dittes 2008-6-21 14995 Modoc On damp soil, along the edge of the dying pond, north of the large culvert, east side of the large levee, mountain meadow, in Big Valley, about 2.8 miles (air) north of the Headquarters at Ash Creek State Wildlife Area, about 5.4 miles (air) northeast of Bieber. 1255 Comment
  CAS-BOT-BC15688  Apocynum androsaemifolium Annie Montague Alexander; L. Kellogg 1946-6-28 4867 Modoc Pine Creek Canyon. 1615 Comment
  CAS-BOT-BC15690  Apocynum androsaemifolium Annie Montague Alexander; L. Kellogg 1946-7-17 4997 Modoc Cedar Pass. Comment
  CAS-BOT-BC15692  Apocynum androsaemifolium K. Paulson; Robert Paulson 1989-7-2 167 Modoc N side of the Pit River ca. 3 mi. E of County Rte. 91. 1578 Comment
  UC22906  Apocynum androsaemifolium Baker July, 1893 Modoc Comment
  UC22910  Apocynum androsaemifolium Milo S. Baker 1893-1 Modoc Comment
  RSA503044  Apocynum androsaemifolium subsp. pumilum K. Paulson, R. Paulson 1988-7-13 77 Modoc Clear Lake area, Warner Mountains Comment
  JEPS46214  Aquilegia formosa F. H. Frost 1925-7-12 48 Modoc Warner Mountains, Cedar Canyon, Stow's Meadow Stow's Meadow; Warner Mountains, Cedar Canyon, Stow's Meadow Comment
  POM99712  Aquilegia formosa R. M. Austin 1895-07 437 Modoc Willow Creek (Devils Garden) Comment
Read comments
Jul 11 2010
  UC9011  Aquilegia formosa Milo S. Baker 1893-6-29 Modoc Comment
  CAS-BOT-BC218348  Aquilegia formosa var. formosa Bruce Bartholomew; Barrett Anderson 1988-7-21 4440 Modoc Above Upper Rush Creek Campground ca. 4 km E of State Highway 299 between Adin and Canby. 1580 Comment
  CAS-BOT-BC218341  Aquilegia formosa var. formosa P. Monnet 1913-7-7 861 Modoc Warner's Range 2286 Comment
  UC1586876  Arabis Juha Pykala and D. H. Norris 1987-5-27 1044 Modoc between Lower and Upper Rush Creek Campgrounds; Modoc National Forest 1493 Comment
  NY114572  Arabis holboellii var. pendulocarpa R. C. Rollins 1981-6-1 81194 Modoc Warner Mtns., ca. 2 miles N of summit of road between Lake City and U.S. Hwy. 395 Comment
  SEINET232398  Arabis holboellii var. pendulocarpa Reed C. Rollins, Kathryn W. Rollins 1981-6-1 81194 Modoc Warner Mountains ca. 2 miles north of summit of road between Lake City and U.S. Hwy 395. Comment
  SEINET5340313  Arabis holboellii var. pinetorum E. K. Balls 1950-5-14 14691 Modoc .2m. south boundary Modoc National Forest, trail from Alturas to Thomas Reservoir. 1524 Comment
  HSC6568  Arabis holboellii var. retrofracta M. T. Milligan 1964-4-25 Modoc S of Lower Cummings Reservoir Comment
  RSA486354  Arabis puberula Bruce Bartholomew, B. Anderson 1988-5-13 4177 Modoc Juniper Flats, 10 km E of Likely on road to Jess Valley, W side of the Warner Mtns. 1450 Comment
Read comments
Feb 9 2009
  NY119625  Arabis subpinnatifida B. M. Bartholomew 1988-5-13 4177 Modoc Juniper Flats, 10 km E of Likely on road to Jess Valley, W side of the Warner Mtns. 1450 Comment
  CAS-BOT-BC95648  Arctostaphylos nevadensis Bruce Bartholomew 1995-7-31 7103 Modoc E side of the Warner Mts. near crest and just N of the headwaters of the S fork of Davis Creek. 2320 Comment
  SEINET2149921  Arctostaphylos nevadensis K. T. Harper 1974-1 131 Modoc Warner Mountains, Mt. Bidwell road. 2134 Comment
  UC585238  Arenaria aculeata E. B. Babcock, G. L. Stebbins Jr. 1936-6-9 1817 Modoc about 3 mi w Cedarville; Warner Mountains,Cedar Creek Canyon 1524 Comment
  JEPS51492  Arenaria aculeata Frances D. Payne 1929-6-13 8 Modoc s and e of Alturas; Warner Mountains, Parker Creek 1584 Comment
  UC71561  Arenaria congesta var. congesta Mrs. M. H. Manning july 1903 294 Modoc Mt. Bidwell 1828 Comment
  UC465484  Arenaria congesta var. congesta M. F. Gilman 662 Modoc Comment
  UC1368463  Arenaria congesta var. subcongesta R. K. Gierisch 1969-7-15 3544 Modoc Comment
  UC1584015  Arenaria congesta var. subcongesta G. Schoolcraft 1990-6-6 2079 Modoc About 10 mi n Alturas (S of Joseph Creek); Joseph Creek 1584 Comment
  UCR87508  Arenaria tenella George K. Helmkamp, E. A. Helmkamp 1993-5-4 s.n. Modoc 35.6 miles NW of Canby along Calif. Hwy 139 1280 Comment
  SEINET3918773  Aristida adscensionis Leo Whitney 1935-8-19 3627 Modoc Rs-1, U.S.B.E.; 0 Comment
  JEPS20957  Arnica chamissonis Milo S. Baker 1893-6-20 Modoc Egg Lake Comment
  UC468971  Arnica chamissonis W. P. Taylor and H. C. Bryant 1910-7-13 Modoc North Fork Parker Creek (head) Warner Mountains, North Fork Parker Creek 2225 Comment
  JEPS35871  Arnica chamissonis Frances D. Payne 1931-6-29 295 Modoc e of Warren Peak; Owl Creek, Warner Mts. 2133 Comment
  UCD149890  Arnica chamissonis Harry A. George 1967-6-15 s.n. Modoc Whitehorse Flat Reservoir. Comment
  CAS-BOT-BC15570  Arnica chamissonis subsp. foliosa Bruce Bartholomew; Barrett Anderson 1990-7-21 5581 Modoc Homestead Flat, ca. 2.5 km E of Patterson Ranger Station, E side of Warner Mts. 2160 Comment
  CAS-BOT-BC15572  Arnica chamissonis subsp. foliosa Bruce Bartholomew 1989-8-13 5145 Modoc Hunter Spring, just W of Knox Flat. 1800 Comment
  CAS-BOT-BC15406  Arnica cordifolia Francis Dorris Payne 1929-7-26 113 Modoc Pine Creek Basin. 2316 Comment
  CAS-BOT-BC15417  Arnica cordifolia Mrs. H. C. Cantelow 1940-6-1 s.n. Modoc Cedar Pass, Warner Mtns. at the summit. E. of Alturas Comment
  UC892069  Arnica cordifolia C. L. Hitchcock 1940-5-27 6702 Modoc 15 mi ne, on grassy hillside in canyon Alturas 1676 Comment
  CAS-BOT-BC15285  Arnica mollis Bruce Bartholomew; Barrett Anderson 1988-7-22 4540 Modoc Side Creek, W side of Lake City Canyon, E side of the Warner Mts.. 1980 Comment
  CAS-BOT-BC15294  Arnica nevadensis Robert Patterson; Mona Bourell 1993-8-14 5217 Modoc Patterson Lake. South Warner Wilderness Area. Warner Mountains. 2743 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
  UC748192  Arnica sororia Annie M. Alexander and Louise Kellogg 1946-7-10 4953 Modoc Eight Mile Creek, ne Modoc Co Eight Mile Creek 1752 Comment
  HSC67875  Artemisia arbuscula subsp. arbuscula J. P. Smith, J. O. Sawyer 1973-8-8 7248 Modoc S slopes of Eagle Peak 2561 Comment
  RSA607261  Artemisia cana L. C. Wheeler 1935-8-16 3866 Modoc Warner Mountains: Dismal Swamp, Twenty Mile Creek. 2226 Comment
  CAS-BOT-BC15253  Artemisia cana subsp. bolanderi Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10562 Modoc Patterson Ranger Station (East Creek drainage). 2164 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
  RSA768067  Artemisia douglasiana L. Ahart, John Dittes 2010-8-31 17098 Modoc East side of Elkins Lane, about 10 yrds south of bridge across Ash Creek, Ash Creek State Wildlife Area, 4215 ft north of Lassen County Line, about 4.3 air miles west of Adin, about 7.7 air miles northeast of Bieber, Big Valley. 1268 Comment
  CAS-BOT-BC497198  Artemisia douglasiana John H. Hatton 1911-6-22 139 Modoc Modoc Forest Comment
  POM229967  Artemisia ludoviciana subsp. candicans L. C. Wheeler 1935-8-14 3848 Modoc Sunny lake shore above high water line Lily Lake, Pine Creek, Warner Mts. 2073 Comment
  JEPS37031  Artemisia ludoviciana subsp. incompta L. S. Smith 1918-8-12 1032 Modoc Camp One 2499 Comment
  JEPS6002  Artemisia ludoviciana subsp. incompta Frances D. Payne 1933-8-6 776 Modoc 2 mi. sw. Warren Mountain (southwestern Modoc County); Pine Creek Basin 2316 Comment
  CAS-BOT-BC15263  Artemisia ludoviciana subsp. ludoviciana Annie Montague Alexander; L. Kellogg 1946-7-6 4912 Modoc 3.5 mi. E of Eagleville. Comment
  JEPS124305  Artemisia ludoviciana subsp. ludoviciana Lowell Ahart, John Dittes 2015-7-15 20343 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
  UC71701  Artemisia ludoviciana subsp. ludoviciana Mrs. M. H. Manning 1902-10-4 21 Modoc Mt. Bidwell Comment
  UC217079  Artemisia nova H. M. Hall 1921-9-10 11672 Modoc 24 mi s Alturas Comment
Read comments
Jul 23 2013
  UCR64882  Artemisia tridentata George K. Helmkamp 1990-9-23 H- 4 Modoc US Hwy 395, 13 mi north of Likely 1345 Comment
  CAS-BOT-BC15205  Artemisia tridentata subsp. tridentata Elmer Ivan Applegate 1932-8-1 8201 Modoc West side of Middle Lake, Surprise Valley 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
  SEINET3397748  Artemisia tridentata subsp. vaseyana Unknown 1994-1 s.n. Modoc 10 mi. S. of Newell Comment
  RSA252373  Asclepias cordifolia R. F. Thorne, C. W. Tilforth 1969-9-5 39152 Modoc Near Mill Creek Falls. Modoc Nataional Forest, Warner Mts. 1753 Comment
  SEINET10829549  Asclepias cordifolia J. Pykala, Daniel H. Norris 1987-5-27 Pykala 1051 Modoc Modoc National Forest, between Lower and Upper Rush Creek campgrounds 1500 Comment
  CAS-BOT-BC15659  Asclepias fascicularis Margaret J. Williams 1985-8-13 85- 66 -1 Modoc Big Sage Reservoir. 1524 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-BC498751  Asclepias fascicularis L. S. Smith 1918-8-13 1034 Modoc Modoc Forest, below Lost Lake 1828 Comment
  POM76170  Asclepias fascicularis Mrs. R. M. Austin s.n. Modoc Goose Lake Valley Comment
  CDA13470  Aster campestris G. F. Hrusa, T. D. Wilfred 1996-7-21 13317 Modoc Modoc Plateau; Along Pit River at Modoc Co. Rd. 90 bridge. E base of Splawn Mtn. N end of Big Valley. Comment
  POM312507  Aster frondosus H. L. Mason 1947-8-11 13487 Modoc Reservoir, Kelley Hot Springs, on Alturas-Conby Highway Comment
  POM229871  Aster integrifolius L. C. Wheeler 1935-8-16 3888 Modoc Warner Mountains: Dismal Swamp, Twenty Mile Creek. 2226 Comment
  RSA518410  Aster subspicatus George K. Helmkamp 1990-9-23 J- 11 Modoc Drying mud flats beside Goose Lake, within 0.1 mile of the Oregon border 1372 Comment
  CHSC115560  Astragalus Lowell Ahart; John Dittes 2015-7-15 20342 Modoc About 300 yards northeast of the old barn, on the north side of the overgrown road, Ash Creek State Wildlife Area, about 3.9 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  RSA415789  Astragalus californicus Christopher Davidson 1975-6-4 2627 Modoc Canby Bridge across Pit R., ca. 4 mi. S of Canby on Hwy 299. 1341 Comment
  CAS-BOT-BC182962  Astragalus filipes Mrs. R. M. Austin 1894-8-1 s.n. Modoc Goose Lake Valley Comment
  HSC25991  Astragalus filipes D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19507 Modoc Big Valley Summit, 6 mi. W of Adin on Hwy. 299 Comment
  POM24441  Astragalus filipes R. M. Austin 1895-06 s.n. Modoc Goose Lake Valley. Comment
  JEPS54660  Astragalus filipes Leland S. Smith 1919-6-8 1126 Modoc Deep Creek above station (Modoc Forest); , Deep Creep above station 1676 Comment
  UC13366  Astragalus filipes Milo S. Baker 1893-7-3 Modoc top of bare rocky hill Comment
  SDSU7883  Astragalus gibbsii D. F. Howe 1994-8-1 3910 Modoc 11 miles south of Alturas on #395. 1280 Comment
  CHSC85189  Astragalus lemmonii John Dittes; Josephine Guardino 1991-7-21 388 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
  CDA37189  Astragalus lemmonii CDFA Staff 2004-5-27 s.n. Modoc Ash Creek, near Adin. 0 Comment
  CAS-BOT-BC182050  Astragalus obscurus Bruce Bartholomew 1993-6-14 6663 Modoc 8.7 km E of County Road 114 on County Road 108, NW of Clear Lake Reservoir. 1450 Comment
  CAS-BOT-BC182031  Astragalus purshii Elmer Ivan Applegate 1935-6-7 9400 Modoc Thomas Massacre area, Lava Beds National Monument. Comment
  CAS-BOT-BC182038  Astragalus purshii Elmer Ivan Applegate 1936-7-4 10511 Modoc N slope of Caldwell Butte, Lava Beds National Monument. Comment
  CAS-BOT-BC193031  Astragalus purshii var. tinctus Mrs. Austin 1895-5-1 2 Modoc Goose Lake Valley Comment
  UC13455  Astragalus purshii var. tinctus Milo S. Baker Jun 5, 1893 - June 8, 1893 Modoc Egg L. Comment
  POM26817  Astragalus whitneyi R. M. Austin 1895-05 31 Modoc Goose Lake Valley. Comment
  POM275213  Astragalus whitneyi A. M. Alexander, Louise Kellogg 1946-7-23 5043 Modoc East slope of Emerson Peak, Warner Mountains. Comment
  UC13373  Astragalus whitneyi Mrs. R. M. Austin 1894-1 Modoc low hills around Goose Lake Goose Lake (Northern California) Comment
  RSA0017010  Astragalus whitneyi var. confusus I. L. Wiggins, Dorothy B. Wiggins 1961-6-12 16381 Modoc Near junction of Cedar Pass road and California State Highway 299, 5.5 miles N. of Alturas. 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-BC181993  Astragalus whitneyi var. lenophyllus Bruce Bartholomew; Mona Bourell 1990-4-28 5202 Modoc 1.9 km SE of Rush Creek on road up Hunters Ridge. 1430 Comment
  CAS-BOT-BC181997  Astragalus whitneyi var. lenophyllus Peter Hamilton Raven; Otto Thomas Solbrig 1958-6-18 13333 Modoc 9.7 mi. N of Adin on Hwy 299. Comment
  CAS-BOT-BC58459  Athysanus pusillus Edward Kent Balls 1950-5-12 14648 Modoc Hillsides N of Bucks Creek Ranger Station, E of Goose Lake. 1737 Comment
  NY119641  Athysanus pusillus R. C. Rollins 1981-6-1 81189 Modoc Cedar Summit, between Alturas and Cedarville, off California Hwy. 299 1889.8 Comment
  SBBG117943  Athysanus pusillus R. C. Rollins, K. Rollins 1981-6-1 81189 Modoc Cedar Summit between Alturas and Cedarville, off St Hwy 299 1889 Comment
  CHSC106320  Atriplex argentea var. argentea Lowell Ahart; John Dittes 2010-8-31 17137 Modoc About 400 yards west of Elkins Lane and the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  CDA2937  Atriplex rosea T. C. Fuller 1962-8-29 9483 Modoc Between road and canal of the South Fork of the Pit River, Pit River Ranch, ca. 5 miles north of Likeley. 0 Comment
  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
  JEPS118231  Atriplex truncata Dean W. Taylor 1989-8-4 10425 Modoc Surprise Valley; between Middle Lake and Lower Lake, ca. 2.5 mi N of Eagleville 1231 Comment
  UC1024847  Avena fatua Leo Whitney 1935-6-9 3202 Modoc near White Horse; White Horse lake (Flat) Comment
  UC472199  Balsamorhiza Franklin P. Nutting Modoc near Egg Lake Comment
  CAS-BOT-BC15144  Balsamorhiza X terebinthacea Bruce Bartholomew; Barrett Anderson 1988-5-14 4195 Modoc 1.3 km S of turn off to Crowder Flats West Side Road, W side of Goose Lake. 1410 Comment
  UCD149842  Balsamorhiza hirsuta Harry George 1967-6-15 s.n. Modoc Lookout. Comment
  CAS-BOT-BC218199  Balsamorhiza hookeri F. Angwin 1946-5-16 s.n. Modoc Big Valley near Adin 1280 Comment
  UC75935  Balsamorhiza hookeri Milo S. Baker Modoc near Egg Lake Comment
  RSA488039  Balsamorhiza hookeri var. lagocephala Bruce Bartholomew, B. Anderson 1988-5-12 4130 Modoc 13 km NNE of Adin on State Highway 229 at turnoff to Higgins Flat on USFS road 41N11. 1440 Comment
  CAS-BOT-BC15193  Balsamorhiza hookeri var. lanata Ellsworth Bethel 1923-4-26 s.n. Modoc Lookout. Comment
  CAS-BOT-BC15127  Balsamorhiza sagittata Leland S. Smith 1919-6-2 1106 Modoc Deep Creek Ranger Station, Modoc National Forest 1524 Comment
  HSC27245  Balsamorhiza sagittata J. P. Smith, J. O. Sawyer 1972-5-6 5272 Modoc Along Hwy. 299, 4 mi. W of Modoc County Rd. 58, E of Alturas 1494 Comment
  UC71588  Balsamorhiza sagittata Mrs. M. H. Manning 1903-5-1 113 Modoc near Fort Bidwell Comment
  CAS-BOT-BC106461  Balsamorhiza sagittata John H. Hatton 1911-6-10 15 Modoc Modoc National Forest 1767 Comment
  HSC5182  Balsamorhiza sagittata R. C. Wunner 1965-6-20 224 Modoc California Lava Beds National Monument; Indian Well near main residence area 1433 Comment
  RSA60350  Balsamorhiza sagittata E. K. Balls 1950-5-10 15966 Modoc 0.5 mi. east of fork of Hwy 395 and Alturas Road. 1585 Comment
  UC748329  Balsamorhiza sagittata Annie M. Alexander and Louise Kellogg 1946-7-1 4891 Modoc .5 mi e of summit Bidwell Creek Road (Warner Mountains); Warner Mountains Comment
  CAS-BOT-BC15139  Balsamorhiza serrata Bruce Bartholomew; M; M. Gilbert; L. E. Skog 1993-5-10 6469 Modoc 1.6 km NE of Fee Reservoir Road on Barrel Spring Road, N end of Surprise Valley. 1600 Comment
  SEINET10757887  Balsamorhiza serrata Andrew Townesmith, Karen M. Meyer 2007-9-15 Townesmith 929 Modoc Modoc National Forest, Warner Mountain Ranger District. Along state route 299, 10.9 miles west of junction with US route 395. At Cedar Pass. T43N R15E S28 SW 1/4. 1928 Comment
  CAS-BOT-BC58633  Barbarea orthoceras Annie Montague Alexander; L. Kellogg 1946-7-17 5009 Modoc Benton Meadow, Warner Mts. 2072 Comment
  JEPS118474  Barbarea orthoceras Lowell Ahart, John Dittes 2011-6-21 17518 Modoc About 130 yards west of the fence, south edge of the meadow, Ash Creek State Wildlife Area, about 2,300 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley 1267 Comment
  CAS-BOT-BC95512  Bassia hyssopifolia Bruce Bartholomew 1989-8-11 5082 Modoc Sand Creek, Surprise Valley, 5 km W of Nevada border on State Hwy 299. 1400 Comment
  CHSC112049  Beckmannia syzigachne Lowell Ahart; John Dittes 2012-7-10 18310 Modoc On dry soil, 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
  JEPS124361  Beckmannia syzigachne Lowell Ahart, John Dittes 2015-7-16 20372 Modoc Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. Comment
  UCD32724  Beckmannia syzigachne Beecher Crampton 1954-7-7 2162 Modoc Modoc County, 2.5 miles east of Alturas, near radio station KCNO. Comment
  UCR136424  Beckmannia syzigachne Beecher Crampton 1954-7-7 2162 Modoc Modoc Plateau, 2.5 miles east of Alturas, near radio station KCNO 1341 Comment
  SEINET256813  Berberis repens M. J. Williams 1984-6-29 84 -725 Modoc Cave Lake W side of the Warner Mtns 2134 Comment
  JEPS58646  Betula glandulosa L. S. Smith 1917-7-29 886 Modoc bog below Bald Mt. 2011 Comment
  POM31778  Blepharipappus scaber Mrs. R. M. Austin 1895-07 559 Modoc Goose Lake Valley. Comment
  UC71693  Blepharipappus scaber Mrs. M. H. Manning Jul 1 1903-Aug 1 1903 165 Modoc near Fort Bidwell Comment
  HSC42414  Blepharipappus scaber Barbara Kelly 1977-8-9 579 Modoc Upper Rush Creek Campground N of Adin; above cow trail Comment
  HSC5209  Blepharipappus scaber M. T. Milligan 1965-6-27 377 Modoc Slopes and ridges E of Jess Valley 1616 Comment
  POM202699  Blepharipappus scaber A. H. Rodda 1932-7-1 s.n. Modoc Near Alturas Comment
  POM351058  Blepharipappus scaber L. S. Rose 1940-6-14 16749 Modoc Kelly Hot Springs. 1341 Comment
  RSA0125853  Boechera Milo S. Baker 1893-1 s.n. Modoc [No further location information.] Comment
  CAS-BOT-BC16900  Boechera calderi M. Bourell; R. W. Patterson 1993-8-15 5262 Modoc South Warner Wilderness Area. Warner Mountains. 2743 Comment
  CAS-BOT-BC95729  Boechera pauciflora Milo Samuel Baker; Franklin P. Nutting 1894-1-1 Modoc Near Egg Lake. 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
  UC922248  Boechera platysperma Annie M. Alexander and Louise Kellogg 1946-7-23 5054 a Modoc ne slope Emerson Peak; Warner Mountains Comment
  CAS-BOT-BC35123  Boechera puberula E. S. Willits 1940-5-6 225 Modoc Davis Creek. Comment
  CAS-BOT-BC14523  Boechera puberula B. Bartholomew 1991-6-23 5878 Modoc 2.6 km northeast of Crowder Flat Road on road between Ingall Swamp and Dorris Brothers Reservoir. 1520 Comment
  SJSU9699  Boechera puberula W. Savage 1979-7-10 1535 Modoc Oregon Rim Unit, Devils Garden District, Modoc National Forest 1645 Comment
  CAS-BOT-BC25529  Boechera retrofracta John Thomas Howell 1934-6-12 11994 Modoc 6 miles south of Davis Creek. Comment
  CAS-BOT-BC58660  Boechera retrofracta Bruce Bartholomew 1995-6-1 6924 Modoc 1.3 km E of Day between Day and Lookout on County Road 94. 1200 Comment
  JEPS53085  Boechera retrofracta Milo S. Baker 1890-1 Modoc Forestdale Comment
  CAS-BOT-BC58293  Boechera retrofracta R. M. Austin 1885-1-1 Modoc Modoc County. Comment
  CAS-BOT-BC25710  Boechera sparsiflora B. Bartholomew; B. Anderson 1989-4-27 4635 Modoc Ryan Canyon, 6.0 km northwest of Adin on road to Dutch Flat. 1370 Comment
  CAS-BOT-BC410945  Boechera sparsiflora Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-11 6499 Modoc W side of Timber Mountain on Crowder Flat Road. 1680 Comment
  CHSC67093  Boechera sparsiflora James D. Jokerst 1987-5-11 2820 Modoc Radar Survey Site S of Doublehead Mtn., S of Clear Lake Reservoir. 1363 Comment
  SEINET5340923  Brassica napus M. J. Williams, T. Holcomb; B. Holcomb; L. Saxton 1988-5-28 88- 21 -1 Modoc Crowder Flat road, west of Alturas. Road leads to Devil's Garden and Big Sage Reservoir and is near Hwy 299. Comment
  CHSC118845  Brickellia grandiflora L. P. Janeway 2015-8-9 11828 Modoc Warner Mountains. Along Road 39N06 overlooking Coyote Creek, 3.7 road-km north of Road 64 (39N06 - the road to Patterson Campground): 6.4 air-km north-northeast of Blue Lake. 2027 Comment
  RSA152613  Briza maxima I. L. Wiggins, Dorothy Wiggins 1961-6-12 16374 Modoc California Highway 299, 5.5 mi. N of Alturas at junction of Cedar Pass road. Comment
  RSA70132  Brodiaea coronaria subsp. coronaria F. W. Peirson 1926-6-26 6910 Modoc Modoc National Forest NW of Canby. Comment
  CAS-BOT-BC242404  Bromus briziformis Margaret J. Williams 1969-1-1 s.n. Modoc Jess Valley. Comment
  RSA126904  Bromus briziformis Leo D. Whitney 1934-5-19 2169 Modoc Devils Garden (timbered mts.) 1585 Comment
  CAS-BOT-BC242431  Bromus carinatus var. carinatus Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16435 Modoc 4 mi. E of Summit of Cedar Pass, along Cedar Pass road. Comment
  JEPS69152  Bromus carinatus var. carinatus Leland S. Smith c. 1917 807 Modoc Comment
  UCD59096  Bromus carinatus var. marginatus Leo Whitney 1934-5-19 3043 b Modoc Timbered Mountains. Devil's Garden, Modoc National Forest, northeast portion of county. 1524 Comment
  UC1025054  Bromus commutatus Leo Whitney 1935-7-21 3582 Modoc 15 mi w of Canby (Modoc National Forest, Happy Camp); Modoc National Forest, Happy Camp 1463 Comment
  UCD58483  Bromus commutatus L. D. Whitney 1935-8-10 s.n. Modoc Pit River. Alturas. 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
  UC1024321  Bromus hordeaceus Annie M. Alexander and Louise Kellogg 1946-6-18 4792 Modoc Patterson Mill-Silver Creek Roads Patterson Mill; , Silver Creek Roads 1828 Comment
  UCD58626  Bromus hordeaceus Annie M. Alexander; Louise Kellogg 1946-6-18 4792 Modoc Patterson Mill--Silver Creek roads. 1828 Comment
  CDA13447  Bromus japonicus G. F. Hrusa, T. D. Wilfred 1996-7-21 13294 Modoc Modoc Plateau; Occasional annual in disturbed areas about the Modoc Co. Rd. 90 bridge over Pit River. E base of Splawn Mtn. N end of Big Valley. Comment
  HSC93593  Bromus japonicus G. Fred Hrusa, T. D. Wilfred 1996-7-21 13294 Modoc Modoc. Co. Rd. 90 bridge over Pit River, E base of Splawn Mtn., N end of Big Valley 457 Comment
  SJSU9568  Bromus japonicus Wayne Savage 1979-7-3 1310 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  UC1024968  Bromus japonicus Leo Whitney 1935-7-6 3440 Modoc Pit River near Lookout; Pit River Comment
  UCD32726  Bromus japonicus Beecher Crampton 1954-7-7 2164 Modoc Modoc County, 2.5 miles east of Alturas, near radio station KCNO. Comment
  HSC80908  Bromus orcuttianus G. M. Riegel 1979-9-6 763 Modoc South Warner Mountains 509 Comment
  CAS-BOT-BC498653  Bromus suksdorfii L. S. Smith 1922-7-20 1277 Modoc Modoc Forest: Rush Creek 1905 Comment
  HSC9401  Calamagrostis canadensis var. langsdorffii M. T. Milligan 1966-7-5 559 Modoc Slopes and ridges E of Jess Valley 1768 Comment
  CAS-BOT-BC248343  Callitriche palustris B. Bartholomew; H. Sun 2002-6-24 8826 Modoc S end of Sweagert flat ca. 15.3 straight line km WNW of Aden 1820 Comment
  CAS-BOT-BC95098  Callitriche palustris Bruce Bartholomew 1995-7-30 7069 Modoc Drainage from Taylor Reservoir just E of junction of County roads 93 and 94. 1260 Comment
  RSA77851  Callitriche verna F. W. Peirson 1926-6-26 6907 Modoc Between Alturas and Canby. Comment
  CAS-BOT-BC85787  Calocedrus decurrens M. B. Kildale 1926-9-11 2768 Modoc Between Malin, Oregon & Alturas 1371 Comment
  CHSC96338  Calocedrus decurrens Richard R. Halse 2006-8-4 6999 Modoc Along Highgrade Road ca. 4.4 miles north of Fort Bidwell, north end of the Warner Mountains, east slope. 1765 Comment
  UC1442619  Calochortus longebarbatus var. longebarbatus Theodore F. Niehaus 1978-6-28 78950 Modoc 12 mi w Canby (0.3 mi s on rd to Cottonwood Campground (USFS); 1.2 mi nw of Craig Spring from junction with Loveness mainline logging road, or 0.5 mi se into Sec. 13) Comment
  UC1036061  Calochortus macrocarpus Annie M. Alexander and Louise Kellogg 1946-7-5 4907 Modoc w of Lower Lake; Lava Cliff Comment
  UC748207  Caltha leptosepala Annie M. Alexander and Louise Kellogg 1946-6-26 4829 Modoc Dismal Swamp, north end of Warner Mountains. 2255 Comment
  CHSC99968  Calycadenia fremontii Lowell Ahart; John Dittes 2008-8-26 15331 Modoc On the sides of County Road 85a, 287 feet east of County Road 91, 7.7 miles (air) north-northeast of Lookout. 1303 Comment
  JEPS114378  Calycadenia fremontii Lowell Ahart, John Dittes 2008-8-26 15331 Modoc On the sides of County Road 85a, 287 feet east of County Road 91, 7.7 miles (air) north-northeast of Lookout 1303 Comment
  SBBG128894  Calycadenia fremontii L. Ahart, J. Dittes 2008-8-25 15294 Modoc W side of Pit River, ca. 1/8 mi E of County Rd 91, ca. 3.8 mi (air) NNE of Lookout 1273 Comment
  UC7766  Calyptridium monospermum Milo S. Baker 1893-6-30 Modoc Egg Lake 1371 Comment
  CAS-BOT-BC197577  Calyptridium umbellatum Bruce Bartholomew; Barrett Anderson 1988-6-23 4243 Modoc 4.2 km NW of Day. 1020 Comment
  JEPS52529  Calyptridium umbellatum Milo S. Baker 1893-6 Modoc Egg Lake 1371 Comment
  POM71021  Calystegia occidentalis subsp. occidentalis Mrs. R. M. Austin 1895-07 422 Modoc Goose Lake Valley. Comment
  UC23146  Calystegia occidentalis subsp. occidentalis M. S. Baker and Frank Nutting 1894-6-4 Modoc Hot Spring Valley Comment
  JEPS61553  Camassia quamash subsp. quamash Milo S. Baker Jun 21 1893-Jul 21 1893 Modoc Modoc County Comment
  CHSC107345  Camelina microcarpa Lowell Ahart; John Dittes 2011-6-22 17547 Modoc On the east side of the road, about 150 yards north of the Pilot Butte Parking Lot, north edge of Ash Creek Floodplain, 1.1 miles (air) south of County road 87, 7.7 miles (air) west of Adin, 10 miles (air) east of Lookout, Big Valley. 1264 Comment
  JEPS121200  Camelina microcarpa Lowell Ahart, John Dittes 2013-7-25 18951 Modoc About 100 yards N of the E-W fence, S edge of Ash Creek floodplain, NE of Patterson Homestead, E of Elkins Lane, 1.0 air mile S of County Road 87, 3.14 air miles W of Adin, Big Valley. Comment
  CAS-BOT-BC191132  Camissonia andina Bruce Bartholomew; Barrett Anderson 1989-6-2 4800 Modoc 6.4 km E of Fort Bidwell on road to Fee Reservoir, NE corner of Surprise Valley. 1460 Comment
  CAS-BOT-BC191115  Camissonia claviformis subsp. cruciformis Bruce Bartholomew 1991-6-22 5852 Modoc E side of Surprise Valley, 8.3 km E of Eagleville. 1430 Comment
  CAS-BOT-BC191116  Camissonia claviformis subsp. cruciformis Bruce Bartholomew; Barrett Anderson 1989-6-2 4838 Modoc 6.4 km E of Eagleville on the road to the California state border, E side of Surprise Valley. 1550 Comment
  JEPS31704  Camissonia contorta L. S. Smith 1918-7-20 1197 Modoc Round 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
  HSC16481  Camissonia subacaulis M. T. Milligan 1964-7-25 180 Modoc Pine Creek Basin, along trail. 2439 Comment
  NY852050  Camissonia subacaulis Mrs. C. C. Bruce 06 1898 2203 Modoc Lake City Mountain Comment
  HSC26008  Camissonia tanacetifolia D. H. Norris, S. Dowty, T. Nelson 1971-6-23 19398 Modoc Along Hager Basin Rd. near Big Sage Reservoir. Comment
  CAS-BOT-BC191093  Camissonia tanacetifolia subsp. tanacetifolia Peter Hamilton Raven 1962-5-29 17896 Modoc Hwy 139 at S road to Lava Beds National Monument. Comment
  RSA453342  Camissonia tanacetifolia subsp. tanacetifolia George Willet 1935-6-13 s.n. Modoc 4 miles east of Likely 1524 Comment
  SEINET8039218  Campanula scouleri M. J. Williams 1984-7-1 84- 86 -2 Modoc 3.1 road miles N of Hwy 299 on Crowder Flat Road. 1951 Comment
  RSA27230  Cardamine breweri C. L. Hitchcock 1940-5-27 6712 Modoc 15 miles NE of Alturas. Comment
  RSA603596  Cardamine breweri L. C. Wheeler 1935-8-15 3864 Modoc Dismal Swamp, Twenty Mile Creek. 2226 Comment
  CAS-BOT-BC58475  Cardamine breweri var. breweri Bruce Bartholomew; Barrett Anderson 1988-6-24 4326 Modoc Lily Lake, W side of the Warner Mts.. 2130 Comment
  JEPS53401  Cardamine californica var. integrifolia Frances D. Payne 1931-6-22 242 Modoc s and e Alturas (Dry Creek tributary of Parker Creek, Warner Mountains); Warner Mountains, Dry Creek tributary Parker Creek 1828 Comment
  CAS-BOT-BC58434  Cardamine pensylvanica Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-14 16488 Modoc 6.4 mi. S of Lassen Creek camp ground, on road to Buck Mt., Warner Mts. 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
  CAS-BOT-BC242328  Carex abrupta Robert Patterson; Mona Bourell 1993-8-14 5219 Modoc Patterson Lake. South Warner Wilderness Area. Warner Mountains. 2743 Comment
  CHSC109514  Carex abrupta L. P. Janeway; B. Castro 2012-7-25 10980 Modoc Warner Mountains. Slope along north side of Dismal Swamp. 2216 Comment
  CAS-BOT-BC245196  Carex amplifolia Alice Eastwood; John Thomas Howell 1940-6-13 8177 Modoc E side of Cedar Pass. Comment
  CAS-BOT-BC245195  Carex atherodes Robert Folger Thorne; et al 1969-9-3 39018 Modoc SE end of Tule Lake Sump, 0.5 mi. N of turnoff to Lava Beds National Monument. 1264 Comment
  RSA210806  Carex atherodes Robert F. Thorne, James Henrickson, Tilforth 1969-9-3 39018 Modoc SE end of Tule Lake Sump 0.5 miles N of turnoff to Lava Beds National Monument, (2.2 miles E of NE entrance to monument) 1265 Comment
  CAS-BOT-BC242372  Carex athrostachya Annie Montague Alexander; L. Kellogg 1946-7-18 5023 Modoc Benton Meadow. 2072 Comment
  CAS-BOT-BC498657  Carex aurea B. Crampton 1954-7-6 2099 Modoc Shields Creek, Warner Mountains, 20 mi E of Alturas 1676 Comment
  HSC48010  Carex brainerdii D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19510 Modoc Big Valley Summit, 6 mi. W of Adin on Hwy. 299 Comment
  SEINET13347319  Carex capitata N. Otting, D. Lytjen 2004-9-2 970 Modoc South Warner Mountains, outlet of Patterson Lake, 18 air miles southeast of Alturas 2743 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
  CHSC67135  Carex douglasii James D. Jokerst 1987-5-13 2869 Modoc Radar Survey Site S of Doublehead Mtn., S of Clear Lake Reservoir, S end of northern sector. 1359 Comment
  HSC75582  Carex hoodii G. M. Riegel 1979-7-5 489 Modoc S Warner Mtns. 1670 Comment
  HSC7052  Carex integra M. T. Milligan 1964-7-4 215 Modoc Lassen Creek above lower campground 1829 Comment
  CAS-BOT-BC242360  Carex jonesii Louis Cutter Wheeler 1935-8-16 3877 A Modoc Dismal Swamp. 2225 Comment
  SEINET7563152 Image available Carex jonesii John Thomas Howell 1934-6-14 12165 Modoc Near Lost Lake, Warner Mts. 2438 Comment
  UC1158683  Carex lenticularis var. lipocarpa Arthur Cronquist, Arthur H. Holmgren 1959-6-19 8499 Modoc 15 mi e of Likely (just above Clear Lake, Warner Mountains, along Mill Creek); Warner Mountains, Mill Creek 1828 Comment
  RSA504655  Carex leptopoda Bruce Bartholomew, B. Anderson 1988-7-23 4590 Modoc Pine Creek, 4 km E of U. S. Highway 395 on the road to Lily Lake, Warner Mountains. 1620 Comment
  CAS-BOT-BC31619  Carex luzulina var. luzulina Annie M. Alexander; Louise Kellogg 1946-7-19 5032 Modoc Benton Meadow, Warner Mts. 2072 Comment
  CAS-BOT-BC245177  Carex multicaulis Leland S. Smith 1922-6-23 1251 Modoc Ballard's Mill. 1828 Comment
  CAS-BOT-BC245161  Carex nebrascensis R. L. Ward 1976-5-18 s.n. Modoc Pine Spring. 1508 Comment
  CAS-BOT-BC245168  Carex nebrascensis Louis Cutter Wheeler 1935-8-16 3870 Modoc Dismal Swamp, Twenty-Mile Creek. 2225 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
  UC1536799  Carex nebrascensis Gordon H. True Jr. 1939-8-16 1000 Modoc near Canby Comment
  RSA59877  Carex praegracilis E. K. Balls 1950-5-11 14618 Modoc 8 miles N of Lake City, west shore of Upper Lake. 1402 Comment
  POM304483  Carex praegracilis Alice Eastwood, John Thomas Howell 1940-6-12 8035 Modoc Likely Comment
  CHSC109464  Carex rossii L. P. Janeway; B. Castro 2012-7-26 11015 Modoc Warner Mountains. Top of Yellow Mountain; topmost part and western edge (at the edge of a steep dropoff to the northwest). 2463 Comment
  JEPS120580  Carex rossii L. P. Janeway, B. Castro 2012-7-24 10958 Modoc Warner Mountains. Along Forest Road / county Raod 2 (the road from new Pine Creek to Fort Bidwell) 1.4 air km east of Lily Lake and 1.8 air km southwest of Dismal Swamp. Comment
  HSC32082  Carex rostrata R. F. Thorne, C. W. Tilforth 1969-9-5 39186 Modoc Where Hwy. 395 crosses Pine Creek, 3.4 mi. S of Alturas 1341 Comment
  HSC48332  Carex rostrata D. H. Norris, Thomas W. Nelson. S. Dowty 1971-6-23 19359 Modoc Along the S Fork of the Pit River, ~6 mi. E of Likely. Comment
  CHSC99518  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
  RSA233773  Carex subfusca Robert F. Thorne, C. W. Tilforth 1969-9-5 39145 Modoc Margin of small slough along South Fork of Pit River above jct. with West Creek at Public Campground, ca. 6 miles E of Likely. 1402 Comment
  CAS-BOT-BC245143  Carex utriculata A. Cronquist; N. Holmgren 1959-6-19 8513 Modoc Shore of Clear Lake, Warner Mts. 1828 Comment
  JEPS63663  Carex utriculata W. L. Jepson 1918-8-12 7952 Modoc Jess Valley 1584 Comment
  CAS-BOT-BC497334  Carex vesicaria var. vesicaria G. Schoolcraft 1996-7-23 2546 Modoc E. of Yankee Jim Ranch, SE of Alturas 1645 Comment
  UC444862  Castilleja angustifolia Mrs. M. H. Manning May 1907 719 Modoc e side Warner Range Comment
  CAS-BOT-BC225995  Castilleja applegatei John Thomas Howell 1934-6-13 12049 Modoc Fandango Pass, Warner Mountains 1828 Comment
  CAS-BOT-BC225977  Castilleja applegatei subsp. pinetorum Clare Butterworth Hardham 1961-6-18 7595 Modoc Davis Creek. 2133 Comment
  CAS-BOT-BC225996  Castilleja applegatei subsp. pinetorum Gordon H. True 1964-6-3 1445 Modoc Surprise Valley, about 10 mi. N of Cedarville. 1432 Comment
  CAS-BOT-BC229825  Castilleja applegatei subsp. pinetorum Belknap C. Goldsmith 1912-5-15 73 Modoc Parker Creek, Warner Mountains 1584 Comment
  CAS-BOT-BC229826  Castilleja applegatei subsp. pinetorum Leland S. Smith 1405 Modoc Modoc County. Comment
  CHSC117769  Castilleja applegatei subsp. pinetorum L. P. Janeway 2016-5-18 12058 Modoc Modoc Plateau. Northeast corner of the Devils Garden area; along Road 47N37 0.6 km north of Road 73/181/47N09. 1626 Comment
  HSC1973  Castilleja applegatei subsp. pinetorum M. T. Milligan 1966-6-28 483 Modoc Volcanic plateau W of Jess Valley. 1829 Comment
  HSC30195  Castilleja applegatei subsp. pinetorum D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19470 Modoc Upper Rush Creek Campground, about 8 mi. N of Adin on Hwy. 299 Comment
  JEPS29107  Castilleja applegatei subsp. pinetorum Lauramay T. Dempster 1961-6-18 1686 Modoc just s Cedar Pass Comment
  JEPS66445  Castilleja applegatei subsp. pinetorum L. R. Heckard and P. Rubtzoff 1971-8-3 2706 Modoc 3.5 mi n Cedarville Pass (near summit of Old Canyon Mill road); Warner Mts. 1981 Comment
  JEPS86374  Castilleja applegatei subsp. pinetorum Jack and Betty Guggolz 1988-7-4 977 Modoc Comment
  RSA537507  Castilleja applegatei subsp. pinetorum Barbara J. Ertter 1988-6-18 7644 Modoc Adin Summit on Highway 299 N of Adin 1585 Comment
  SEINET13978159  Castilleja applegatei subsp. pinetorum M. J. Williams 1983-7-29 83- 116 -9 Modoc Warner Mountains, N of Cedar Pass, 1.1 mi N of Stough Reservoir Campground. 2088 Comment
  UC1012495  Castilleja applegatei subsp. pinetorum Francis W. Pennell 1940-6-8 25735 Modoc 8 mi w Canby (Route 299) 1432 Comment
  UC26533  Castilleja applegatei subsp. pinetorum M. S. Baker and Frank Nutting 1894-6-13 Modoc near Egg Lake Comment
  UC885467  Castilleja applegatei subsp. pinetorum C. L. Hitchcock 1940-5-27 6677 Modoc 15 mi ne Alturas 1615 Comment
  UCSB19309  Castilleja applegatei subsp. pinetorum Haller, John 1962-6-7 Modoc Little Meadows campground, South Fork of the Pit River, 8 miles east of Likely, 1.5 miles west of the western end of Jess Valley, Warner Mountains 1524 Comment
  UC199401  Castilleja applegatei subsp. pinetorum M. F. Gilman 559 Modoc 1524 Comment
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Jan 12 2007
  SEINET13732719  Castilleja applegatei var. pinetorum M. J. Williams 1984-1 84- 69 -2 Modoc Warner Mountains, N of Cedar Pass, end of Soldier Creek Road. 2073 Comment
  CAS-BOT-BC226003  Castilleja arachnoidea Noel Herman Holmgren; J. L. Reveal 1964-8-22 1719 Modoc Warner Range, Modoc National Forest, Eagle Peak. 3027 Comment
  CAS-BOT-BC226007  Castilleja arachnoidea Elmer Ivan Applegate 1932-8-1 8012 Modoc Crest of Warner Mountains just S of Warren Peak. Comment
  CAS-BOT-BC226012  Castilleja arachnoidea Bruce Bartholomew 1995-8-1 7162 Modoc Bidwell Mtn., E side of the Warner Mountains. 2150 Comment
  CHSC117039  Castilleja campestris subsp. campestris Lowell Ahart; John Dittes 2016-6-6 20960 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
  CAS-BOT-BC226019  Castilleja chromosa K. Paulson; Robert Paulson 1988-5-24 17 Modoc Granger Canyon, Warner Mts.. 1493 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-BC226036  Castilleja lacera Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-13 16463 Modoc 5 mi. W of Fandango Pass, Warner Mountains Comment
  JEPS86371  Castilleja lacera Jack and Betty Guggolz 1988-6-30 969 Modoc near Old Canyon Mill Road Comment
  CAS-BOT-BC226040  Castilleja linariifolia John Thomas Howell 1934-7-2 12369 Modoc W side of Clear Lake. Comment
  JEPS8722  Castilleja linariifolia W. I. Follett 1942-9-10 138 Modoc Cowhead Lake, ne corner of Modoc County Cowhead Lake Comment
  RSA305823  Castilleja longispica James R. Shevock 1972-5-20 1806 Modoc N of Alturas, Hwy 299. 1372 Comment
  UC1191871  Castilleja miniata Herbert L. Mason 1947-7-13 13442 Modoc n of Davis Creek (east side of Goose Lake) (Joseph Creek on Highway 395); Joseph Creek Comment
  CAS-BOT-BC241007  Castilleja pilosa Ella Dales Cantelow 1940-5-31 4444 Modoc E. of Indian Springs Comment
  CAS-BOT-BC241012  Castilleja pilosa Beecher Crampton 1960-6-17 5684 Modoc 5 miles south of Perez 1371 Comment
  JEPS17638  Castilleja pilosa Rimo Bacigalupi with G. Thomas Robbins 1955-7-20 5393 Modoc 3.3 mi e Patterson Ranger Station (flat at summit of forest road across s end of Warner Mountains); Warner Mountains, Modoc National Forest 2225 Comment
  UCSB19310  Castilleja pruinosa 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-BC226070  Castilleja tenuis Elmer Ivan Applegate 1932-7-8 7563 Modoc W side of Cowhead Lake. Comment
  CAS-BOT-BC226084  Castilleja tenuis Bruce Bartholomew; Barrett Anderson 1988-7-22 4513 Modoc SE side of Sunflower Knob, southern end of the Warner Mts.. 2160 Comment
  JEPS76809  Castilleja tenuis Theodore F. Niehaus 1978-6-28 952 a Modoc ca 12 mi w Canby (0.3 mi s on road to Craig Springs from junction with Loveness mainline logging road, and 0.05 mi into section 13) Comment
  JEPS76810  Castilleja tenuis Theodore F. Niehaus 1978-6-28 952 Modoc ca 12 mi w Canby (0.3 mi s on road to Craig Springs from junction with Loveness mainline logging road and 0.05 mi into sec. 13) Comment
  RSA0062306  Castilleja tenuis Lowell Ahart, John Dittes 2011-6-22 17559 Modoc On the east side of the road, about 100 yards north of the Pilot Butte Parking Lot, north edge of Ash Creek Floodplain, 1.1 miles (air) south of County Road 87, 7.7 miles (air) west of Adin, 10 miles (air) east of Lookout, Big Valley. 1264 Comment
  UC748137  Castilleja tenuis Annie M. Alexander and Louise Kellogg 1946-6-14 4769 Modoc Silver Creek branch of Patterson Mill road 1828 Comment
  CAS-BOT-BC225973  Castilleja tenuis Fred. P. Cronemiller 1920-6-15 31 Modoc McKenzie Spring. 1310 Comment
  UC1281475  Ceanothus X flexilis H. E. McMinn 1941-8-27 5396 Modoc 0.5 mi from junction of highways 89 and 299 on way to Alturas; on way to Alturas Comment
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Jun 3 2009
  CAS-BOT-BC217139  Ceanothus cuneatus var. cuneatus Bruce Bartholomew; Mona Bourell 1990-4-26 5156 Modoc 0.5 km S of Day. 1100 Comment
  CAS-BOT-BC217144  Ceanothus integerrimus Bruce Bartholomew; Barrett Anderson 1988-6-23 4265 Modoc 1.8 km WSW of Day on County Road 94. 1170 Comment
  HSC25994  Ceanothus integerrimus D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19516 Modoc Big Valley Summit, 6 mi. W of Adin on Hwy. 299 Comment
  CAS-BOT-BC217115  Ceanothus velutinus John Thomas Howell 1934-6-13 12059 Modoc Fandango Pass. 1828 Comment
  CAS-BOT-BC217116  Ceanothus velutinus Betty J. Hammerly 1941-6-20 37 Modoc Along banks of Clear Lake, S end of Warner Mts. Comment
  RSA504600  Ceanothus velutinus Bruce Bartholomew 1988-6-23 4277 Modoc 4 km W of Day on County road 94. 1340 Comment
  UC1035976  Ceanothus velutinus Helen K. Sharsmith 1955-6-25 4505 Modoc on trail to Mill Creek Falls and Clear Lake (Warner Mountains); Modoc National Forest, Warner Mountains 1752 Comment
  UC18452  Ceanothus velutinus Mrs. R. M. Austin and Bruce June 1898 2335 Modoc Mts. Gooselake Comment
  UC70431  Ceanothus velutinus Milo S. Baker July 1898 537 Modoc Forestdale 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
  CHSC117247  Centaurea cyanus Lowell Ahart; John Dittes 2016-7-16 21236 Modoc Between the first pond and the second going west, south of Ash creek Canal (now filled in) south of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.75 miles (air) west of Adin, Big Valley. 1273 Comment
  JEPS119675  Centaurea cyanus Lowell Ahart, John Dittes 2012-7-12 18379 Modoc On the east side of Elkins Lane, about 100 yards north of the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. Comment
  CAS-BOT-BC15099  Centaurea virgata subsp. squarrosa Thomas C. Fuller 1962-8-29 9487 Modoc Road to Adin, 0.3 mi. E of Lookout, Big Valley. Comment
  UC71817  Centaurium muehlenbergii Mrs. M. H. Manning Aug 1903 217 Modoc near Fort Bidwell (ne Modoc Co.) Comment
  POM128271  Centaurium muehlenbergii Milo S. Baker 1899-8-18 s.n. Modoc Little Hot Spring Valley 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
  RSA0118782  Centromadia pungens subsp. pungens Lowell A. Ahart, John Dittes 2013-7-25 18957 Modoc Along the north-south fence, south edge of Ash Creek Floodplain, northwest of Patterson Homestead, east of Elkins Lane, 1.0 mile (air) south of County Road 87, 3.14 miles (air) west of Adin, Big Valley. 1268 Comment
  UC956843  Ceratophyllum demersum Herbert L. Mason and Verne Grant 1947-7-12 13386 Modoc irrigation ditch by Jones' Lane off Highway 395 several mi s Alturas Comment
  UC15109  Cercis occidentalis Milo S. Baker 1893-8-12 Modoc sw mountain side Comment
  UC466617  Cercocarpus betuloides var. macrourus Franklin P. Nutting Modoc Big Valley Mountains Comment
  SEINET191906  Cercocarpus ledifolius C. L. Hitchcock 1940-5-27 6689 Modoc On sagebrush knoll; 15 miles northeast of Alturas 1615 Comment
  SEINET10543173  Cercocarpus ledifolius LeRoy E. Detling 1948-5-23 Detling 6247 Modoc Plum ridge, near canby, t43n,r7e,sec.8, mdm. Yellow pine forest. Pinus Ponderosa, p. Jeffreyi, juniperus occidentalis, arctostaphylos patula. Level Plateau, rocky red clay-loam 1524 Comment
  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
  RSA531336  Chaenactis douglasii Bruce Bartholomew 1990-6-17 5293 Modoc Along Emerson Creek, 2.8 km SW of County Road 1, E side of Warner Mts. 1600 Comment
  CAS-BOT-BC245412  Chamaesaracha nana John Thomas Howell 1934-6-30 12266 Modoc Duncan Horse Camp. 1355 Comment
  CAS-BOT-BC245419  Chamaesaracha nana John Thomas Howell 1934-6-14 12177 Modoc Patterson Mill Rd., Warner Mts. 2133 Comment
  CAS-BOT-BC245423  Chamaesaracha nana Elmer Ivan Applegate 1897-5-30 862 Modoc Timbered Mountain, S of Dry Lake. Comment
  RSA312310  Chamaesyce serpillifolia H. L. Mason, Verne Grant, C. T. Mason 1947-7-10 13325 Modoc Dorris Reservoir, 2 miles east of Alturas. Comment
  UC17672  Chamaesyce serpyllifolia Milo S. Baker 1893-7-25 Modoc on island Egg Lake Comment
  JEPS39322  Chamerion angustifolium subsp. circumvagum W. L. Jepson 1918-8-9 7915 Modoc Ft. Bidwell 1432 Comment
  JEPS59681  Chenopodium album Frances D. Payne 1931-7-4 320 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  CAS-BOT-BC95524  Chenopodium glaucum subsp. salinum Bruce Bartholomew; Barrett Anderson 1990-7-20 5450 Modoc Margin of Goose Lake at S end of the causeway to McGinty Point. 1440 Comment
  CAS-BOT-BC95527  Chenopodium hians Elmer Ivan Applegate 1932-8-3 8102 Modoc Mill Creek Meadows, Warner Mts. Comment
  RSA624455  Chenopodium rubrum L. C. Wheeler 1935-8-18 3896 Modoc 2 miles northeast of Alturas 1357 Comment
  CHSC106333  Chenopodium rubrum var. humile Lowell Ahart; John Dittes 2010-8-30 17049 Modoc About 10 yards west of fence, south edge of the meadow, Ash Creek State Wildlife Area, 2300 feet north of Lassen County line, 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  UC412890  Chimaphila umbellata Franklin P. Nutting 1900-8-20 Modoc near Forestdale Comment
  UC52605  Chorizanthe polygonoides var. polygonoides M. S. Baker and Frank Nutting 1894-6-29 Modoc Big Valley Comment
  POM166648  Chrysolepis sempervirens Baker, Nutting 1893-06 3262 Modoc Squaw Valley, near Mt. Shasta. Comment
  CAS-BOT-BC15006  Chrysothamnus nauseosus subsp. albicaulis Roxana Stinchfield Ferris 1951-9-14 12464 Modoc State line between Adel Oregon and Fort Bidwell. Comment
  CAS-BOT-BC15040  Chrysothamnus nauseosus subsp. albicaulis M. B. Kildale 1926-9-11 2769 Modoc Alturas. 1371 Comment
  CAS-BOT-BC15042  Chrysothamnus nauseosus subsp. albicaulis Elmer Ivan Applegate 1936-9-22 11056 Modoc Gilliam Bluff, Lava Beds National Monument Comment
  POM229177  Chrysothamnus nauseosus subsp. albicaulis L. C. Wheeler 1935-9-10 3968 Modoc 1.5 miles SSW McGinty Reservoir, Devil's Garden 1524 Comment
  RSA608438  Chrysothamnus nauseosus subsp. albicaulis L. C. Wheeler 1935-9-10 3967 Modoc 1.5 miles SSW McGinty Reservoir, Devil's Garden 1524 Comment
  CAS-BOT-BC14983  Chrysothamnus viscidiflorus subsp. viscidiflorus Rimo Carlo Felice Bacigalupi 1934-9-5 2329 Modoc Summit of Cedar Pass, Warner Mountains Comment
  RSA301896  Chrysothamnus viscidiflorus subsp. viscidiflorus L. C. Anderson 1958-8-24 1614 Modoc Cedar Pass Campgrounds in the Warren Mts., 8 miles W of Cedarville 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
  CDA38303  Cicuta douglasii T. C. Fuller 1959-7-8 s.n. Modoc 3.4 miles east of Tulelake. 0 Comment
  JEPS15744  Cicuta maculata var. angustifolia W. L. Jepson 1918-8-9 7921 Modoc Fort Bidwell 1432 Comment
  RSA0123895  Cicuta maculata var. angustifolia Robert F. Thorne 1969-9-5 39160 Modoc Modoc National Forest, Warner Mts. Clear Lake. 1768 Comment
  CDA21202  Cirsium K. Haas 2007-2-6 PDR 1402971 Modoc Modoc Plateau; County Rd. 1, Cedarville. 0 Comment
  CAS-BOT-BC14955  Cirsium arvense Thomas C. Fuller 1959-7-8 2746 Modoc 1.5 mi. SE of Tule Lake. Comment
  CDA1063  Cirsium arvense T. C. Fuller 1961-5-16 6954 -A Modoc 1.5 mi. s.e. of Tulelake; edge of grainfield, Hwy 139. 0 Comment
  CAS-BOT-BC14965  Cirsium cymosum Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16379 Modoc Junction of Cedar Pass Road & CA State Hwy. 299, 5.5 mi. N of Alturas Comment
  JEPS59278  Cirsium douglasii var. breweri W. L. Jepson 1918-8-9 7916 Modoc Ft. Bidwell 1432 Comment
  UC71590  Cirsium douglasii var. breweri Mrs. M. H. Manning 1903-1-1 262 Modoc Fort Bidwell, ne Modoc County Fort Bidwell Comment
  SJSU9675  Cirsium douglasii var. breweri W. Savage 1979-7-19 1523 Modoc Bowles Meadow, Devils Garden District, Modoc National Forest 1493 Comment
  CAS-BOT-BC14931  Cirsium occidentale var. candidissimum Annie Montague Alexander; L. Kellogg 1946-6-18 4803 Modoc Patterson Mill-Silver Creek roads. 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
  HSC81012  Cirsium occidentale var. candidissimum G. M. Riegel 1980-7-15 908 Modoc South Warner Mtns. 2100 Comment
  RSA0070851  Cirsium occidentale var. candidissimum E. K. Balls, Percy C. Everett 1952-10-11 18157 Modoc 1 mile SE of crest of Fandango Pass, Warner Mts. 1707 Comment
  CDA20569  Cirsium ochrocentrum C. Pirosko 2005-6-24 PDR 1303856 Modoc Modoc Plateau; Schluter Ranch off Hwy 395 on Pencil Road, N of Alturas ca 2 mi. 0 Comment
  CDA1510  Cirsium ochrocentrum var. ochrocentrum D. Chambers, M. Carstens 1979-8-22 s.n. Modoc Modoc National Forest, Beeler Reservoir dam, S of Hackamore. Comment
  CDA1605  Cirsium undulatum D. B. Joley, C. D. Hunter 1983-8-3 s.n. Modoc S side of Hwy 139, 30 meters W of Hackamore Rd. (1 mi E of MP 19.00). Comment
  CAS-BOT-BC191064  Clarkia gracilis subsp. gracilis Frances D. Payne 1932-6-10 640 Modoc Parker Creek 1584 Comment
  RSA27680  Clarkia gracilis subsp. gracilis C. L. Hitchcock 1940-5-28 6729 Modoc 15 miles north of Alturas, (near Surprise). 1402 Comment
  CAS-BOT-BC191058  Clarkia lassenensis Barbara J. Ertter 1988-6-18 7622 Modoc Hwy 139 a few mi. N of Agric. Inspection Station, 1 mi. S of S jct to Lava Beds Nat'l Monument. 1310 Comment
  RSA150363  Clarkia lassenensis A. J. Cronquist, Arthur H. Holmgren 1959-6-19 8509 Modoc Ridge south of Clear Lake; Warner Mountains 15 miles east of Likely 1982 Comment
  CAS-BOT-BC191045  Clarkia rhomboidea Robert J. Weatherby 1955-7-8 1622 Modoc 6 mi. N of Ft Bidwell. 1737 Comment
  CAS-BOT-BC191046  Clarkia rhomboidea Bruce Bartholomew; Barrett Anderson 1988-6-23 4234 Modoc 2.1 km SSE of Day on the road to State Highway 299. 1020 Comment
  JEPS31563  Clarkia rhomboidea Frances D. Payne 1931-6-11 145 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  SEINET10819638  Clarkia rhomboidea Nancy R. Morin 1978-7-6 Morin 261 Modoc Warner Mts. Campground ca 1/2 mile W of Cedar Pass, Cedar Mtn.; ca 6000 feet. Dry gravelly slopes. 1830 Comment
  CAS-BOT-BC197447  Claytonia lanceolata Bruce Bartholomew; Barrett Anderson 1989-4-28 4660 Modoc 4.3 km E of the Modoc National Forest Boundary on Parker Creek Road, W side of Warner Mts. 1740 Comment
  NY497244  Claytonia lanceolata A. M. Alexander 1946-6-15 4773 Modoc Deep Creek 2133.6 Comment
  NY497246  Claytonia lanceolata B. M. Bartholomew 1988-5-13 4161 Modoc 4 km northwest of Pepperdine, slope near top of the Warner Mountains 1760 Comment
  SEINET195684 Image available Claytonia lanceolata var. sessilifolia Louise Kellogg 1946-6-15 4780 b Modoc Deep Creek 2190 Comment
  CHSC85127  Claytonia rubra subsp. depressa John Dittes; Josephine Guardino 1991-6-1 354 Modoc Modoc Plateau; Big Valley; Ash Creek Wildlife Area; ca. 7.7 air-miles northeast of Bieber, ca. 4.0 air-miles west by southwest of Adin, ca. 5.0 air-mile east by southeast of Pilot Butte summit, ca. 0.6 mile east of Walters Road and Owl Barn; meadow at southern edge of Ash Creek Floodplain. 1271 Comment
  CAS-BOT-BC197468  Claytonia rubra subsp. rubra Bruce Bartholomew; Barrett Anderson 1989-4-29 4667 Modoc W side of Upper Alkali Lake, 7 km S of Fort Bidwell, Surprise Valley. 1370 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
  CDA25289  Cleome platycarpa T. C. Fuller 1970-7-22 19774 Modoc Canyon Creek Road, 12 miles southwest of Alturas. 0 Comment
  CAS-BOT-BC229852  Collinsia parviflora Francis Whittier Pennell 1940-6-8 25737 Modoc Eastern slope of Warner Mts., NE of Alturas. 1737 Comment
  CAS-BOT-BC229859  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
  HSC20611  Collinsia parviflora M. T. Milligan 1965-6-23 292 Modoc N end Jess Valley 1616 Comment
  RSA0117236  Collinsia parviflora Christopher Davidson 1973-5-26 2120 Modoc Ca. 4 miles west of Canby on highway 299. 1341 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
  UC26672  Collinsia torreyi var. torreyi Milo S. Baker 1893-8-10 Modoc Modoc County Comment
  JEPS71010  Collomia grandiflora Frances D. Payne 1929-7-22 106 Modoc s and e Alturas (woods and bare knolls); Warner Mountains, Parker Creek 1584 Comment
  UC1191648  Collomia grandiflora Verne Grant and Irving Schneider 1947-7-20 8106 Modoc downstream from Alturas; North Fork of Pit River 1341 Comment
  RSA101369  Collomia linearis R. Weatherby 1955-7-8 1613 Modoc 7 miles north of Ft. Bidwell, northern Warner Mts. 1875 Comment
  UC205016  Collomia linearis Mrs. M. H. Manning 1907-1 Modoc near 12 Mile Creek (e side of Mt. Bidwell, ne Modoc Co.) 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
  UC23677  Collomia tinctoria M. S. Baker and Frank Nutting 1894-6-5 Modoc Little Hot Spring Valley Comment
  CAS-BOT-BC225783  Comandra umbellata subsp. californica Bruce Bartholomew 1993-6-12 6592 Modoc Top of ridge directly above Day Rock. 1380 Comment
  RSA795596  Conium maculatum L. Ahart, John Dittes 2010-8-30 17066 Modoc On the sides of a small wash, about 10 yards east of the fence, south edge of the meadow, Ash Creek State Wildlife Area, 2300 feet north of Lassen County Line, about 3.6 air miles west of Adin., About 8.0 air miles northeast of Bieber, Big Valley. 1268 Comment
  SEINET8150007 Image available Conium maculatum F. E. Drouet, D. Richards 1941-1 4213 Modoc Alturas, North fork of the Pit River Comment
  CAS-BOT-BC14945  Conyza canadensis Leland S. Smith 1510 Modoc Lava Lake. 1310 Comment
  RSA537678  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 Mountains. 1982 Comment
  CAS-BOT-BC229881  Cordylanthus ramosus Belknap C. Goldsmith 1912-8-6 81 Modoc W of Goose Lake. 1493 Comment
  HSC80943  Cornus sericea subsp. sericea G. M. Riegel 1978-8-30 160 Modoc S Warner Mtns. 1670 Comment
  UC412930  Cornus sericea subsp. sericea W. P. Taylor and H. C. Bryant 1910-6-25 Modoc Parker Creek Warner Mts., Parker Creek 1676 Comment
  RSA252457  Cornus stolonifera R. F. Thorne, C. W. Tilforth, K. Thorne 1969-9-5 39177 Modoc South Fork of Pit River at bridge, 3.8 miles E. of Likely. 1387 Comment
  RSA603602  Crassula solieri L. C. Wheeler 1935-10-6 4031 Modoc Lily Lake, Pine Creek, Warner Mtns. 2073 Comment
  CAS-BOT-BC197568  Crataegus douglasii A. D. Borden 1911-8-9 s.n. Modoc Mall Place, on S side of Shields Creek. Comment
  CHSC115523  Crataegus douglasii Lowell Ahart; John Dittes 2015-7-17 20369 Modoc On the south bank 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
  JEPS124390  Crataegus douglasii Lowell Ahart, John Dittes 2015-7-15 20356 Modoc About 50 yards southeast of the bridge across Ash Creek (destroyed), about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. Comment
  CAS-BOT-BC14903  Crepis acuminata Bruce Bartholomew 1992-5-17 6350 Modoc On abandoned dirt track, SW side of White Horse Mountains, SW of White Horse Flat Reservoir. 1300 Comment
  JEPS120515  Crepis acuminata L. P. Janeway, B. Castro 2012-7-25 10992 Modoc Warner Mountains. Low broad dridge 1.1 km east of Dismal Swamp. Comment
  JEPS36469  Crepis acuminata L. S. Smith 1918-7-11 983 Modoc Mill Creek Modoc <National> Forest (Sec 22) 2133 Comment
  SBBG8039  Crepis acuminata H. and M. Dearing 1939-6-8 3590 Modoc near Goose Lake 1219 Comment
  CHSC116354  Crepis acuminata J. R. Keck Jr.; Pfeiffer 1985-6-6 PDR 237691 Modoc Forest land near Lookout Junction, southwest corner of Modoc County. Comment
  CAS-BOT-BC14876  Crepis bakeri Bruce Bartholomew 1992-5-16 6316 Modoc 1.6 km S of Davis Creek on U.S. Highway 395. 1440 Comment
  CAS-BOT-BC14925  Crepis bakeri Bruce Bartholomew; Barrett Anderson 1990-7-20 5479 Modoc 10.3 km N of Buck Creek Ranger Station, crest of Warner Mountains W side of Warner Mts. 2130 Comment
  CAS-BOT-BC14854  Crepis intermedia Elmer Ivan Applegate 1932-8-1 8002 Modoc N of Mill Creek Meadows, west slope of Warner Mountains 2438 Comment
  CAS-BOT-BC291573  Crepis modocensis subsp. modocensis John Thomas Howell 1934-6-14 12144 Modoc Near Lost Lake, Warner Mts. 2438 Comment
  CAS-BOT-BC14867  Crepis occidentalis Bruce Bartholomew 1992-5-16 6338 Modoc Burned area along County Road 91, ca. 2.5 km S of turn off to Happy Camp Ranger Station. 1390 Comment
  CAS-BOT-BC14893  Crepis occidentalis David Daniels Keck; J. Clausen 1935-6-24 3713 Modoc 3 mi. NE of Willow Ranch, northeastern Modoc County 1470 Comment
  CHSC70465  Crepis occidentalis A. Sanger 1997-6-3 2481 Modoc Along Mowitz Rd, at Boles Cr. crossing. Upland above creek. 1463 Comment
  SBBG8043  Crepis occidentalis H. and M. Dearing 1939-6-8 3590 Modoc near Goose Lake 1219 Comment
  UC71594  Crepis occidentalis Mrs. M. H. Manning May, 1903 139 Modoc near Fort Bidwell (ne Modoc Co.) Comment
  UC71786  Crepis occidentalis Mrs. M. H. Manning 187 Modoc near Ft. Bidwell (ne Modoc Co.) 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
  SJSU9575  Crepis occidentalis W. Savage 1979-7-3 1328 Modoc Triangle, Antelope Plains, Devils Garden District, Modoc National Forest 1493 Comment
  SEINET7881829 Image available Crepis occidentalis subsp. costata Helen K. Sharsmith 1955-1 4485 Modoc just north of Cedar Pass. 1890 Comment
  POM356329  Crepis occidentalis subsp. pumila Christopher Davidson 1975-6-4 2593 Modoc 0.4 miles E of Hwy 395 on Hwy 299 toward Cedarville. 1380 Comment
  CDA35638  Crepis occidentalis subsp. pumila J. R. Keck Jr., Pfeiffer 1985-6-6 PDR# 237690 Modoc On USFS Road 56, west of Lookout-Hackamore Road. 0 Comment
  CAS-BOT-BC95593  Cressa truxillensis Bruce Bartholomew 1991-8-4 6014 Modoc W side of Goose Lake, 10.5 km N of McGinty Point. 1460 Comment
  POM75457  Cressa truxillensis Mrs. R. M. Austin 1898-07 2192 Modoc Lake shore Comment
  CAS-BOT-BC14827  Crocidium multicaule F. Angwin 1946-4-6 s.n. Modoc Adin. 1371 Comment
  RSA584837  Crocidium multicaule Bruce Bartholomew, M. Gilbert, L. Skog 1993-5-11 6484 Modoc 2.4 km east of Crowder Flat Road on road to south end of Big Sage Reservoir. 1620 Comment
  CDA36150  Crupina vulgaris CDFA Staff Jun 1992 Modoc 0 Comment
  CDA4457  Crupina vulgaris Butch Kreps 1992-6-12 Modoc Kelley Spring, Modoc National Forest, Adin. 0 Comment
  UCD22685  Cryptantha Sarah Martin 1990-4-21 12 Modoc Modoc quadrangle. Comment
  CAS-BOT-BC54133  Cryptantha ambigua John Thomas Howell 1934-6-30 12297 Modoc Duncan Horse Camp. 1355 Comment
  CAS-BOT-BC54140  Cryptantha circumscissa John Thomas Howell 1934-6-13 12097 Modoc Patterson Mill Road. 1676 Comment
  CAS-BOT-BC54142  Cryptantha circumscissa Bruce Bartholomew 1993-6-13 6618 Modoc Near the Nevada border, E of Eagleville, Surprise Valley. 1510 Comment
  CAS-BOT-BC54101  Cryptantha intermedia John Thomas Howell 1934-6-11 11983 Modoc Parker Creek, Warner Mountains 1584 Comment
  HSC75577  Cryptantha intermedia G. M. Riegel 1980-8-20 1078 Modoc S Warner Mtns. 1739 Comment
  SBBG25790  Cryptantha intermedia C. B. Hardham 1961-6-18 7545 a Modoc Cedar Pass Comment
  SFV3084  Cryptantha intermedia I. L. Wiggins, D. B. Wiggins 1961-6-12 16382 Modoc Warner Mountains Rocky, clay mesa 5 miles east of CA Highway 299, along Cedar Pass Road. 1585 Comment
  UCD119852  Cryptantha intermedia Herbert L. Mason; Verne Grant 1947-7-13 13447 Modoc west end of Fandango Pass near Goose Lake on road to Fort Bidwell. Comment
  UC24691  Cryptantha intermedia Milo S. Baker 1893-6-20 Modoc Comment
  UC748450  Cryptantha intermedia Annie M. Alexander and Louise Kellogg 1946-6-10 4713 Modoc above Snake Lake Comment
  HSC3584  Cryptantha muricata M. T. Milligan 1964-6-6 9 Modoc N side of Dorris Reservoir along shore 1372 Comment
  UC857267  Cryptantha simulans Lewis S. Rose 1940-6-14 40578 Modoc 14 mi nw Canby 1524 Comment
  CAS-BOT-BC54117  Cryptantha sobolifera Francis Marion Ownbey; Frederick Gustav Meyer 1940-7-1 2134 Modoc Cedar Pass, Warner Mountains Comment
  CAS-BOT-BC54120  Cryptantha sobolifera Bruce Bartholomew 1991-8-5 6052 Modoc Summit Trail between Squaw Peak and Cottenwood Lake, crest of the Warner Mts. 2530 Comment
  UC1478047  Cryptantha subretusa Gregg Riegel 1980-8-9 1014 a Modoc 100 yds sw Pine Creek-Summit Trail junction (Pine Creek Basin, S Warner Wilderness Area); Modoc National Forest, Warner Wilderness Area 2706 Comment
  UC748457  Cryptantha subretusa Annie M. Alexander and Louise Kellogg 1946-8-8 5125 Modoc Patterson Lake Trail Warner Mountains Comment
  HSC75579  Cryptantha torreyana G. M. Riegel 1979-7-3 472 Modoc S Warner Mtns. 2100 Comment
  CAS-BOT-BC95628  Cuscuta approximata Goss 1932-10-3 Modoc Modoc County. Comment
  CHSC75477  Cusickiella douglasii V. H. Oswald; B. Corbin, A. Sanger, G. Schoolcraft 1999-6-12 9764 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
  RSA195413  Cycladenia humilis Elmer I. Applegate 1936-5-21 10337 Modoc Lava Beds National Monument. Basin in midst of Big Lava Flow, north of Cinder Cone, 1/2 mile north of RR tract at Lava Summit. Comment
  JEPS101895  Cyperus squarrosus Dean W. Taylor 1989-8-4 10524 Modoc Emerson Creek drainage; Cole Creek, on road to Emerson Camp from Surprise Valley Comment
  UC190418  Cyperus squarrosus M. S. Baker and Frank Nutting 1894-8-20 Modoc Forestdale 1371 Comment
  UC1204928  Cypripedium montanum R. C. Wilson 1933-6-21 99 Modoc Rush Creek Camp Canby Quadrangle Comment
  CAS-BOT-BC30215  Cystopteris fragilis Clare Butterworth Hardham 1961-6-17 7521 Modoc Cedar Pass Camp Ground, Warner Mts.. Comment
  SBBG253  Cystopteris fragilis H. and M. Dearing 1939-6-9 3616 Modoc near Cedarville 2133 Comment
  UC672642  Cystopteris fragilis F. H. Frost 1925-7-11 10 Modoc Cedar Canyon Campsite; Warner Mts. Comment
  SEINET6627865  Cystopteris fragilis D. A. Charlet 1989-8-16 541 Modoc Warner Mountains, 1.1 kilometers northwest of Eagle Peak 2652 Comment
  UC123017  Cystopteris fragilis Mrs. R. M. Austin June 1894 170 Modoc Emigrant Springs; Lava Beds Comment
  UCD60284  Dactylis glomerata L. D. Whitney 1945-8-3 s.n. Modoc Buck Creek. Comment
  POM182452  Damasonium californicum Milo S. Baker s.n. Modoc Egg Lake Comment
  POM119130  Damasonium californicum Mrs. R. M. Austin 1895-07 481 Modoc Fletcher s Creek. Devil s Garden. Comment
  JEPS68525  Danthonia californica Leland S. Smith 1918-1 878 Modoc Comment
  UC1256250  Danthonia californica Sherwood Stutz and Tex Scofield 1969-7-17 1 Modoc Vi. Poison Spr. Modoc National Forest 1676 Comment
  JEPS68530  Danthonia unispicata L. S. Smith 1917-7-2 63 1/2 Modoc N. Fk. Pine Creek Warner Mts. 2286 Comment
  SEINET229941 Image available Danthonia unispicata Leila M. Shultz, John S. Shultz 1985-6-23 8595 Modoc Between Beeler and Duncan resivoirs north of Canby near highway 139. 1311 Comment
  SJSU4373  Danthonia unispicata H. L. Buckalew 1961-7-27 Modoc near Stowe Reservoir, c. 3 mi N of Cedar Pass on Alturas-Cedarville Rd, eastern Warner Mts. 2072 Comment
  UCR163912  Danthonia unispicata Jim Andre 1993-6-30 1404 Modoc Modoc Plateau, about 10 miles NW of Canby on Hwy 139, near NW end of Oak Ridge 1494 Comment
  CHSC115696  Dasiphora fruticosa L. P. Janeway 2015-8-11 11833 Modoc Warner Mountains. East side of Squaw Peak a little above Squaw Peak Trail. 2483 Comment
  JEPS12204  Datura stramonium F. H. Frost 1925-7-18 82 Modoc 2 mi s of Cedarville (Cedarville roadside) 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
  CAS-BOT-BC217349  Delphinium depauperatum Robert Patterson; Mona Bourell 1993-8-15 5261 Modoc Warner Mountains. Along trail from Patterson Lake to ca. 2 mi north towards Pepperdine Trailhead. 2743 Comment
  UC118657  Delphinium depauperatum Mrs. R. M. Austin 1894-1 Modoc Willow Creek Comment
  UC9208  Delphinium nudicaule Milo S. Baker 1893-6 Modoc s face of hillside Comment
  CAS-BOT-BC217310  Delphinium nuttallianum Bruce Bartholomew 1991-6-22 5865 Modoc Mill Creek 9.3 km NW of Fort Bidwell, E side of the Warner Mountains. 1860 Comment
  CAS-BOT-BC217334  Delphinium nuttallianum Elmer Ivan Applegate 1932-7-31 7969 Modoc Mill Creek Meadows, Warner Mts. Comment
  CHSC85139  Delphinium nuttallianum John Dittes; Josephine Guardino 1991-6-1 374 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
  RSA398670  Delphinium nuttallianum Christopher Davidson 1973-5-26 2148 Modoc 1 mile N of Adin Summit on St. Hwy 299; Modoc Nat'l Forest 1524 Comment
  UC9126  Delphinium nuttallianum Milo S. Baker 1893-6 Modoc Hillside; s face 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
  CAS-BOT-BC242483  Deschampsia cespitosa subsp. cespitosa John H. Hatton 1911-6-22 144 Modoc Hoffman Ranch. 1615 Comment
  POM319517  Deschampsia danthonioides Patricia Wilder 1971-6-20 5081 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
  UC790976  Deschampsia danthonioides A. A. Beetle 1941-6-29 2838 Modoc s. slope Mt. Adin Comment
  JEPS68494  Deschampsia danthonioides Leland S. Smith 1918-1 862 Modoc Granger Mill Comment
  RSA0025582  Descurainia John F. Emmel 1996-7-15 1432 Modoc Warner Mtns; ridge 1.1-1.5 air mi south and 0.3-0.5 air mi west of Emerson Peak. 2409 Comment
  CHSC109891  Descurainia incana B. Castro; L. P. Janeway 2012-7-25 1964 Modoc Warner Mountains. Along Twelve Mile Creek ca 3.5 air mi ESE of Dismal Swamp and 1.8 air mi NE of Mount Bidwell. 2173 Comment
  CAS-BOT-BC58620  Descurainia incisa Bruce Bartholomew 1990-6-16 5251 Modoc Vicinity of roadhead to Pine Creek Basin, W side of Warner Mountains. 2040 Comment
  CAS-BOT-BC58622  Descurainia incisa K. Paulson; Robert Paulson 1988-6-29 67 Modoc N of Benton Meadow along Davis Creek, Warner Mts.. 1676 Comment
  NY126063  Descurainia incisa B. Anderson 1986-7-9 3164 Modoc Warner Mtns., Stough Reservoir Rd. just E of Cedar Pass near Stough Reservoir 1965 Comment
  CAS-BOT-BC58606  Descurainia paradisa Bruce Bartholomew 1993-6-13 6637 Modoc Consolidated sand dunes just W of Leonard Hot Spring, E side of Surprise Valley. 1410 Comment
  CAS-BOT-BC58614  Descurainia pinnata subsp. glabra Fred D. Douthitt 1916-5-11 23 Modoc Juniper Flats near Flournoy Swale. 1524 Comment
  CAS-BOT-BC190764  Dicentra uniflora Bruce Bartholomew; Mona Bourell 1990-4-28 5205 Modoc Top of Hunters Ridge S of Rush Creek. 1960 Comment
  NY500203  Dicentra uniflora B. M. Bartholomew 1988-5-13 4158 Modoc 4 km northwest of Pepperdine, gentle west-facing slope near top of the Warner Mountains 1760 Comment
  CAS-BOT-BC14839  Dimeresia howellii Francis Marion Ownbey; Frederick Gustav Meyer 1940-7-1 2136 Modoc Cedar Pass, Warner Mountains Comment
  CAS-BOT-BC14844  Dimeresia howellii James Vale; et al 1979-6-6 Modoc Soldier Creek, N off of Cedar Pass. Comment
  JEPS30363  Dimeresia howellii Peter H. Raven 1962-5-29 17879 Modoc 3.4 mi e Cedar Pass (in canyon s of highway); Warner Mountains Comment
  POM301741  Dimeresia howellii Marion Ownbey, Fred Meyer 1940-7-1 2136 Modoc Cedar Pass, Warner Mountains Comment
  CHSC79575  Diplacus cusickii S. E. Schoenig 1998-7-4 98 -67 Modoc On N side of Granger Cyn. Rd., 1.5 mi W of Surprise Valley Rd. This intersection being 3.7 miles S of Hwy 299 at Cederville. 1493 Comment
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Mar 10 2006
  SEINET13699968  Diplacus cusickii M. J. Williams 1984-6-30 84- 77 -1 Modoc E side of the Warner Mountains, 2 miles in, Granger Canyon Road (County Road 27) S of Cedarville towards Gerlach, NV. 1951 Comment
  CAS-BOT-BC229908  Diplacus cusickioides E. S. Willits 1939-10-10 157 Modoc Surprise Valley. Comment
  CAS-BOT-BC229910  Diplacus cusickioides P. Monnet 1913-7-7 882 Modoc Warner's Range. 1828 Comment
  SBBG22643  Diplacus nanus C. B. Hardham 1961-6-19 7841 Modoc Willow Crk 1676 Comment
  CAS-BOT-BC234493  Diplacus nanus Mrs. H. C. Cantelow 1941-5-23 s.n. Modoc 2 miles W of Adin Pass Summit, US Hwy 299. W of Bieber Comment
  UCD64197  Distichlis spicata A. A. Beetle 1944-8-16 3059 Modoc 3 miles west of Alturas, border of Pitt River. Comment
  UCR34703  Dodecatheon J. A. Harpel 1981-8-6 V- 27 Modoc Warner Mtns, South Warner Wilderness Area: E end of Patterson Lake, 7 mi NW of Eagleville 2744 Comment
  JEPS14683  Dodecatheon alpinum Frances D. Payne 1929-7-7 65 Modoc 2 mi sw Warren Peak (Pine Creek Basin, Warner Mts.); Warner Mts., sw of Warren Peak, Pine Creek Basin 2133 Comment
  UC673385  Dodecatheon alpinum F. H. Frost 1925-7-25 165 Modoc Eagle Peak Warner Mts., Eagle Peak Comment
  RSA101504  Dodecatheon conjugens R. Weatherby 1955-7-7 1600 Modoc Dismal Swamp, No Warner Mts 2241 Comment
  UC105786  Dodecatheon conjugens Mrs. R. M. Austin Apr, 1894 43 Modoc Goose Lake Valley Comment
  RSA59365  Dodecatheon conjugens E. K. Balls 1950-5-11 14628 Modoc 8.1 miles NE of Fort Bidwell, above Cow Head Lake, along 8-mile Creek. 1463 Comment
  CAS-BOT-BC218274  Dodecatheon conjugens var. conjugens C. C. (Mrs.) Bruce 1898-6-1 2302 Modoc Lake City Mts. Comment
  CAS-BOT-BC95111  Downingia bacigalupii Bruce Bartholomew 1990-6-18 5375 Modoc 5.5 km N of Hwy 299 on Crowder Flat Rd. 1450 Comment
  CAS-BOT-BC95116  Downingia bacigalupii Alice Eastwood; John Thomas Howell 1940-6-14 8224 Modoc 8 mi. NW of Canby. Comment
  CDA13455  Downingia bacigalupii G. F. Hrusa, T. D. Wilfred 1996-7-21 13302 Modoc Modoc Plateau; Adjacent to Modoc Co. Rd. 90 bridge over Pit River. E base of Splawn Mtn. N end of Big Valley. Comment
  SBBG128251  Downingia bacigalupii L. Ahart, J. Dittes 2010-8-31 17124 Modoc pond, ca. 400 yards W of Elkins Lane and the bridge across Ash Crk, Ash Crk State Wildlife Area, ca. 4.3 mi W of Adin, ca. 7.7 mi NE of Bieber, Big Valley 1267 Comment
  UC890640  Downingia bacigalupii A. A. Heller 1938-6-24 15229 Modoc near Adin (along U.S. Highway 299) 1280 Comment
  SJSU3184  Downingia bicornuta R. L. Fisher 1958-6-13 Modoc Bayley L c. 12 mi S of Alturas 1676 Comment
  HSC3847  Downingia elegans M. T. Milligan 1964-7-1 118 Modoc W end of Ballard's Resvr. 1372 Comment
  UCD149943  Downingia elegans William Anderson 1963-7-20 s.n. Modoc Devil's Garden. Comment
  JEPS19754  Downingia insignis Rimo Bacigalupi with S. Galen Smith 1957-6-28 5988 Modoc 0.8 mi e Canby (in ditches at railroad crossing of U.S. Highway 299) 1341 Comment
  JEPS5032  Downingia insignis Rimo Bacigalupi and L. R. Heckard 1952-6-18 3742 Modoc 0.75 mi e Canby (along U.S. Hwy 299, at railroad crossing) Comment
  JEPS21908  Downingia laeta Herbert L. Mason and Verne Grant 1947-7-11 13369 Modoc s of Alturas (by Jones Lane, off Highway 395) Comment
  HSC80859  Draba albertina G. M. Riegel 1980-9-3 1130 Modoc S Warner Mtns. 2305 Comment
  HSC80863  Draba albertina G. M. Riegel 1980-7-22 925 Modoc S Warner Mtns. 2402 Comment
  UC1258362  Draba albertina Gregg Riegel 1980-8-12 1013 Modoc above lake (Pine Creek Basin, South Warner Mt. Wilderness); Modoc Natl For., South Warner Mt. Wilderness 2115 Comment
  CAS-BOT-BC58555  Draba densifolia C. C. (Mrs.) Bruce 1892-1-1 2133 Modoc Mountains. Comment
  RSA59718  Draba verna E. K. Balls 1950-5-18 14753 Modoc N of Upper Rush Creek Public Camp; 2.5 mi. east from Hwy. 299 1738 Comment
  JEPS122445  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 Highway 299 along Stough Reservoir Rd (USFS Rd 43N07) ca 0.4 mi E of Stough Reservoir. Quad: Cedarville 7.5'. Comment
  CAS-BOT-BC214760  Drymocallis glandulosa Bruce Bartholomew 1989-7-14 4935 Modoc Along Rush Creek between Lower and Upper Rush Creek Campgrounds. 1580 Comment
  CAS-BOT-BC214772  Drymocallis glandulosa K. Paulson; Robert Paulson 1988-6-19 48 Modoc E of Happy Camp Guard Station. 1554 Comment
  RSA611283  Drymocallis glandulosa Louis C. Wheeler 1935-8-8 3810 Modoc Warner Mountains: N Fork Bidwell Creek. 2378 Comment
  UC748059  Drymocallis lactea Annie M. Alexander and Louise Kellogg 1946-6-30 4876 Modoc Highgrade n end of Warner Mountains, Highgrade (w side of ridge, n end of Warner Mountains) 2377 Comment
  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
  CHSC116187  Elatine Lowell Ahart; John Dittes 2015-7-15 20350 Modoc On the east side of Elkins Lane, about 200 yards northeast of the Parking Area, northwest of the old barn, Ask Creek State Wildlife Area, about 3.9 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  UC1101554  Elatine ambigua Herbert L. Mason 1947-7-10 13347 Modoc 2 air mi e Alturas (on little island); Doris Reservoir Comment
  RSA210827  Elatine chilensis R. F. Thorne, James Henrickson, C. W. Tilforth, K. Thorne 1969-9-4 39127 Modoc N Fork of Pit River 3.4 mi N of Alturas where crossed by Hwy 395. 1341 Comment
  CAS-BOT-BC242379  Eleocharis John H. Hatton 1911-6-16 102 Modoc Happy Camp. 1463 Comment
  CAS-BOT-BC242385  Eleocharis macrostachya Roxana Stinchfield Ferris; R. Duthie 1919-6-14 166 Modoc Parker Creek near Modoc Nat. Forest Boundary. Comment
  CAS-BOT-BC242386  Eleocharis macrostachya Louis Cutter Wheeler 1935-9-1 3935 Modoc Pine Spring, Devil's Garden. 1524 Comment
  JEPS120124  Eleocharis macrostachya Lowell Ahart, John Dittes 2012-7-11 18333 Modoc About 1/8 mile east of the parking area on the east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. Comment
  SJSU9588  Eleocharis macrostachya W. Savage 1979-7-5 1352 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  CHSC115569  Eleocharis obtusa Lowell Ahart; John Dittes 2015-7-15 20355 Modoc On the east side of Elkins Lane, about 200 yards northeast of the Parking Area, northwest of the old barn, Ash Creek State Wildlife Area, about 3.9 miles (air) west of Adin, about 7.7 miles (air) norheast of Bieber, Big Valley. 1266 Comment
  UC1100700  Eleocharis quinqueflora Malcolm A. Nobs, Calvin McMillan 1949-6-16 796 Modoc Dry Valley Reservoir, 33 mi NNW of Alturas. Comment
  CHSC116068  Elodea canadensis Lowell Ahart; John Dittes 2015-7-16 20381 Modoc Ash Creek (destroyed), southeast of gavel pit (destroyed), about 1/8 mile east of parking area on east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeasst of Bieber, Big Valley. 1267 Comment
  JEPS45884  Elymus L. S. Smith 1281 Modoc Ranger Station pasture Rush Creek (s of meadow) Comment
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Mar 25 2011
  UC1025013  Elymus X macounii Leo Whitney 1935-7-13 3492 Modoc Alturas Comment
  HSC100066  Elymus cinereus G. D. Barbe, T. C. Fuller 1979-8-21 2546 Modoc E side of County Hwy. 1, 5.6 km S of Fort Bidwell, 3.2 km N of Fandango Pass Rd., MDB & M. Comment
  HSC65335  Elymus cinereus J. P. Smith, J. O. Sawyer 1973-8-9 7284 Modoc Blue Lake, Modoc Natl. Forest 1829 Comment
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Jul 11 2013
  UCD61523  Elymus elymoides L. D. Whitney 1935-7-11 Modoc Base of Glass Mt. Comment
  CAS-BOT-BC247750  Elymus elymoides subsp. elymoides John Thomas Howell 1934-7-1 12324 Modoc Duncan Horse Camp. 1355 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
  CAS-BOT-BC247738  Elymus glaucus Louis Cutter Wheeler 1935-8-4 3779 Modoc Pine Creek. 2103 Comment
  HSC80814  Elymus glaucus G. M. Riegel 1979-9-1 744 Modoc S Warner Mtns. 509 Comment
  CAS-BOT-BC247731  Elymus multisetus Bruce Bartholomew; Barrett Anderson 1990-7-19 5405 Modoc Turner Creek at County Rd 90, N end of Big Valley, 6.4 km N of Lassen County border. 1230 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
  UC1037185  Elymus trachycaulus Leo Whitney 1935-7-23 3571 Modoc USBE Plot Modoc Nation Forest, Happy Camp (15 mi w of Canby) 1463 Comment
  HSC9740  Elymus triticoides M. T. Milligan 1965-6-26 347 Modoc N end Jess Valley. 1616 Comment
  SEINET6657087  Elymus triticoides Leo Whitney 1935-8-7 3611 Modoc Lake Joaquina, Hackamore, ca. 15 miles northwest of Canby, Modic National Forest.; 0 1463 Comment
  CAS-BOT-BC217287  Enemion stipitatum Bruce Bartholomew 1993-4-3 6411 Modoc Just S of Adin Pass on State Hwy 299. 1600 Comment
  CAS-BOT-BC191014  Epilobium brachycarpum Bruce Bartholomew 1992-8-7 6358 Modoc Along the Pit River just SW of Canby Bridge. 1300 Comment
  CHSC106346  Epilobium brachycarpum Lowell Ahart; John Dittes 2010-8-30 17067 Modoc About 15 yards west of the fence, south edge of the meadow, Ash Creek State Wildlife Area, 2,300 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  CHSC109517  Epilobium brachycarpum L. P. Janeway; B. Castro 2012-7-25 10995 Modoc Warner Mountains. Along Twelve Mile Creek 3.5 air mi east-southeast of Dismal Swamp and 2.7 air km norhteast of Mount Bidwell. 2182 Comment
  HSC65613  Epilobium brachycarpum Thomas Wood 1979-8-10 249 Modoc About 1 mi. S of Ft. Bidwell along Co. Hwy. 1, where road turns W 1372 Comment
  HSC80899  Epilobium brachycarpum G. M. Riegel 1980-7-2 813 Modoc S Warner Mtns. 2100 Comment
  JEPS121198  Epilobium brachycarpum Lowell Ahart, John Dittes 2013-7-25 18961 Modoc 30 yards N of the E-W fence, S edge of Ash Creek floodplain, NE of Patterson Homestead, E of Elkins Lane, 1.0 air mile S of County Road 87, 3.14 air miles W of Adin, Big Valley. Comment
  RSA164390  Epilobium brachycarpum Clare B. Hardham 1961-6-19 7820 Modoc Warner Mountains: Willow Creek; Davis Creek 1524 Comment
  JEPS119659  Epilobium campestre Lowell Ahart, John Dittes 2012-7-11 18331 Modoc About 1/8 mile east of the parking area on the east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. Comment
  UC1191618  Epilobium campestre Verne Grant and Irving Schneider 1947-7-29 8177 Modoc s Alturas; Payne Reservoir Comment
  UC19954  Epilobium campestre Milo S. Baker Jul 30 1893-Jan 1 1900 Modoc Egg Lake Comment
  CHSC117497  Epilobium ciliatum subsp. ciliatum Lowell Ahart; John Dittes 2016-7-14 21178 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
  HSC65380  Epilobium ciliatum subsp. ciliatum Thomas Wood 1979-8-8 211 Modoc 1 mi. S of Ft. Bidwell, along Hwy. 1, corner house where road turns W 1372 Comment
  JEPS123856  Epilobium ciliatum subsp. ciliatum Lowell Ahart, John Dittes 2015-7-16 20368 Modoc Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. Comment
  RSA210882  Epilobium ciliatum subsp. ciliatum Robert F. Thorne, J. Henrickson, C. W. Tilforth 1969-9-3 39023 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
  UC1191719  Epilobium ciliatum subsp. ciliatum Verne Grant and Irving Schneider 1947-8-28 8333 Modoc nw Alturas; Jack Swamp Comment
  CAS-BOT-BC190985  Epilobium ciliatum subsp. glandulosum Bruce Bartholomew 1989-8-11 5072 Modoc Along Lassen Creek near SE side of Harris Flat, Warner Mountains. 1920 Comment
  CAS-BOT-BC190986  Epilobium ciliatum subsp. glandulosum Bruce Bartholomew; Barrett Anderson 1990-7-21 5584 Modoc Homestead Flat, ca. 2.5 km E of Patterson Ranger Station, E side of Warner Mts. 2160 Comment
  UC71846  Epilobium ciliatum subsp. glandulosum Mrs. M. H. Manning 1903-6-8 Modoc Mt. Bidwell 1524 Comment
  CAS-BOT-BC190972  Epilobium densiflorum Bruce Bartholomew 1990-8-3 5604 Modoc Ash Creek Wildlife Refuge, ca. 2.5 km S of County Road 87 and 7 km W of Adin. 1250 Comment
  HSC65566  Epilobium densiflorum Thomas Wood 1979-8-8 210 Modoc 1 mi. S of Ft. Bidwell, along Hwy. 1, corner house where road turns W 1372 Comment
  CAS-BOT-BC190979  Epilobium densiflorum Leland S. Smith 1919-8-5 1139 Modoc Ash Valley and vicinity. 1371 Comment
  SEINET195709  Epilobium hallianum Louise Kellogg, Annie M Alexander 1946-6-30 4873 Modoc Highgrade west side of ridge north end of Warner Mountains 2377 Comment
  CAS-BOT-BC190960  Epilobium hornemannii subsp. hornemannii Bruce Bartholomew 1991-8-5 6035 Modoc Squaw Peak Trail on N side of Squaw Peak, E side of Warner Mts. 2420 Comment
  POM262687  Epilobium hornemannii subsp. hornemannii Bud Fuller 1936-7-10 62 Modoc 15 miles northeast of Alturas 1524 Comment
  NY1000490  Epilobium obcordatum B. M. Bartholomew 1995-7-31 7080 Modoc 2.4 km from Forest Service road 46N30 on road towards Bald Mountain, east side of the Warner Mountains 2150 Comment
  UC524168  Epilobium obcordatum Elmer I. Applegate 1932-8-5 8170 Modoc cleft in rocks among summit crags; Warner Mts, Cedar Mt., Cedar Pass Comment
  UC704887  Epilobium obcordatum Marion Ownbey and Fred G. Meyer 1940-7-1 2157 Modoc near summit of Cedar Peak; Warner Mts. Comment
  UC748354  Epilobium obcordatum Annie M. Alexander and Louise Kellogg 1946-7-23 5050 Modoc Emerson Peak Warner Mountains (below cliff, ne) Comment
  UC19957  Epilobium pallidum M. S. Baker and Frank Nutting 1894-6-4 Modoc Little Hot Spring Valley Comment
  CAS-BOT-BC190928  Epilobium pygmaeum D. M. Moore 1960-6-4 122 Modoc Creek flowing into Pit River and crossing Adin Rd. E of Lookout. Comment
  CAS-BOT-BC190859  Epilobium torreyi John Thomas Howell 1934-7-1 12304 Modoc Duncan Horse Camp. 1355 Comment
  HSC856  Equisetum arvense M. T. Milligan 1965-6-26 321 Modoc E of Jess Valley 1585 Comment
  CAS-BOT-BC30177  Equisetum laevigatum Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-13 16451 Modoc Wet meadow at southern outskirts of Fort Bidwell. Comment
  CAS-BOT-BC30182  Equisetum laevigatum Bruce Bartholomew; Barrett Anderson 1990-7-21 5570 Modoc N Barber Creek, road from Surprise Valley to Patterson Ranger Station, E side of Warner Mts. 1710 Comment
  CHSC110890  Equisetum laevigatum Lowell Ahart 2012-7-10 18314 Modoc Northeast of the old homestead, Ash Creek State Wildlife Area, about 3.4 miles (air) west of Adin, about 8.2 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  RSA152447  Equisetum laevigatum I. L. Wiggins, Dorothy Wiggins 1961-6-13 16451 Modoc At southern outskirts of For Bidwell. Comment
  CAS-BOT-BC95474  Eremogone aculeata John H. Hatton 1911-6-20 130 Modoc Near Bolles meadows, Lava-Juniper country. 1524 Comment
  CAS-BOT-BC95480  Eremogone aculeata M. M. Hanna 1956-6-4 s.n. Modoc Lava Mesa along highway, Cedar Pass to Cedarville. Comment
  CAS-BOT-BC95482  Eremogone aculeata Clare Butterworth Hardham 1961-6-18 7581 Modoc Cedar Pass. 1828 Comment
  CAS-BOT-BC95441  Eremogone congesta Barrett Anderson 1986-7-10 3206 Modoc West Warner Rd. along Bear Flat. 1845 Comment
  CAS-BOT-BC95456  Eremogone congesta Alice Eastwood; John Thomas Howell 1940-6-13 8110 Modoc Surprise. Comment
  CAS-BOT-BC95466  Eremogone congesta Roxana Stinchfield Ferris; L. Lorraine 1941-8-14 10589 Modoc 3 mi. from Patterson Ranger Station on road to Eagleville, Warner Mts. Comment
  CAS-BOT-BC95451  Eremogone congesta John H. Hatton 1911-6-12 41 Modoc Modoc County. 1524 Comment
  CAS-BOT-BC95461  Eremogone congesta Alice Eastwood; John Thomas Howell 1940-6-11 8017 Modoc SW of Canby. Comment
  CHSC118083  Eremogone congesta var. subcongesta L. P. Janeway 2016-5-17 12028 Modoc Modoc Plateau. Devils Garden area; along Road 43N18 just east of Porcupine Rim; about 4.0 air-km west of Big Sage Reservoir. 1555 Comment
  CAS-BOT-BC291261  Ericameria bloomeri Mrs. C. C. Bruce 1899-8-1 s.n. Modoc Goose Lake Comment
  CHSC100389  Ericameria bloomeri Lowell Ahart; John Dittes 2008-8-26 15337 Modoc Southeast side of Rose Creek, 750 feet southwest of confluence of Rose Creek and Pit River, on the northwest side of unnamed road,, 2660 feet east of intersection with County Road 85a, 9.3 miles (air) north-northeast of Lookout. 1276 Comment
  HSC67899  Ericameria bloomeri J. P. Smith, J. O. Sawyer 1973-8-9 7266 Modoc Blue Lake, Modoc National Forest. 1829 Comment
  JEPS114434  Ericameria bloomeri Lowell Ahart, John Dittes 2008-8-26 15337 Modoc Southeast side of Rose Creek, 750 feet southwest of confluence of Rose Creek and Pit River, on the northwest side of unnamed road,, 2660 feet east of intersection with County Road 85a, 9.3 miles (air) north-northeast of Lookout 1276 Comment
  SEINET5507548  Ericameria bloomeri R. Spellenberg, M. Spellenberg 2013-7-24 14581 Modoc 60 air km ENE of Weed at Medicine Lake, adjacent to A.H. Hogue Campground 2045 Comment
  CAS-BOT-BC287484  Ericameria greenei Roxana S. Ferris; Laura Lorraine 1941-8-14 10618 Modoc Summit of Fandango Pass, on road between Fort Bidwell and Pine Creek, Warner Mts, Modoc National Forest 1889 Comment
  CAS-BOT-BC298192  Ericameria nauseosa var. oreophila Elmer I. Applegate 1932-8-6 8198 Modoc E side of Middle Lake, Surprise Valley Comment
  HSC41109  Ericameria nauseosa var. speciosa Thomas W. Nelson, Jane P. Nelson, James Nelson 1976-8-29 3263 Modoc Modoc National Forest; along Hwy. 299 just N west of Adin Pass 1524 Comment
  JEPS21511  Ericameria nauseosa var. speciosa W. L. Jepson 1918-8-7 7870 Modoc Mt. Bidwell 2286 Comment
  UC71702  Ericameria nauseosa var. speciosa Mrs. M. H. Manning 1902-10-1 14 Modoc Comment
  UCD32745  Ericameria parryi var. latior Beecher Crampton 1954-7-8 2198 Modoc 4 miles west of Alturas, on small volcanic mesa. Comment
  HSC81022  Ericameria parryi var. nevadensis G. M. Riegel 1979-7-14 542 Modoc South Warner Mtns. 1739 Comment
  CAS-BOT-BC14781  Ericameria suffruticosa Bruce Bartholomew 1990-8-4 5633 Modoc Crest of the Warner Mts., ca. 0.5 km SE of Patterson Lake along Summit Trail. 2770 Comment
  SFV3877  Erigeron aphanactis I. L. Wiggins, D. B. Wiggins 1961-6-12 16371 Modoc Warner Mountains Gentle, grassy slope at junction of Cedar Pass Road with California Highway 299. 5.5 miles north of Alturas. 1370 Comment
  CAS-BOT-BC42838  Erigeron austiniae Mrs. H. C. Cantelow 1935-6-8 s.n. Modoc S of Marlin. Comment
  SEINET11841740  Erigeron bloomeri A. Seneres, Harold, N. 1983-1 113 Modoc Plum Valley Camp 1684 Comment
  CAS-BOT-BC248347  Erigeron bloomeri var. bloomeri B. Bartholomew; H. Sun 2002-6-24 8830 Modoc Ca. 1 km NW of Bald Mt., E side of the Warner Mountains 2290 Comment
  CAS-BOT-BC42807  Erigeron bloomeri var. bloomeri M. M. Hanna 1956-6-3 s.n. Modoc Hiway between Alturas & Cedarville, Calif. Comment
  OBI48595  Erigeron bloomeri var. bloomeri Lewis S. Rose 1940-6-12 40539 Modoc 6 mi NE of Alturas 1341 Comment
  UC895621  Erigeron bloomeri var. bloomeri C. L. Hitchcock 1940-5-27 6669 Modoc 15 mi e Alturas 1615 Comment
  SEINET5512261  Erigeron chrysopsidis var. austiniae J. C. Beatley 1964-1 Modoc Tule Lake area NTS Herbarium coll. Drainage area: Tule Lake 1829 Comment
  CAS-BOT-BC42780  Erigeron divergens C. C. (Mrs.) Bruce 1894-8-1 60 Modoc Davis Creek. Comment
  UC87559  Erigeron divergens Mrs. R. M. Austin 1894-1-1 Modoc Goose Lake Valley Comment
  CAS-BOT-BC42751  Erigeron eatonii var. plantagineus Bruce Bartholomew 1993-6-14 6677 Modoc Open moist flat SW of Stovepipe Flat Tank just N of road between Deer Hill and Duncan Reservoir. 1530 Comment
  CAS-BOT-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
  CAS-BOT-BC42798  Erigeron eatonii var. plantagineus Rimo Carlo Felice Bacigalupi; Guy Thomas Robbins 1955-7-20 5394 Modoc At summit of forest road across southern end of Warner Mtns., 3.3 mi E of Patterson Ranger Station, Modoc N.F. 2225 Comment
  POM357577  Erigeron eatonii var. plantagineus Christopher Davidson 1973-5-26 2139 Modoc 1 mile N of Adin Summit on St. Hwy 299; Modoc Nat'l Forest 1524 Comment
  CAS-BOT-BC42761  Erigeron eatonii var. plantagineus R. M. Austin 1894-6-1 s.n. Modoc Lava beds, Modoc County. Comment
  CAS-BOT-BC42782  Erigeron eatonii var. plantagineus Leland S. Smith 1924-6-3 1361 Modoc South of Egg Lake in timber. Comment
  RSA339142  Erigeron eatonii var. plantagineus Margaret J. Williams 1984-6-28 84- 67 -2 Modoc 2 miles N of intersection between Soldier Creek and Old Cannon Mill Roads. Warner Mts., N of Cedar Pass 2058 Comment
  SJSU9697  Erigeron eatonii var. plantagineus W. Savage 1979-7-10 1538 Modoc Oregon Rim Unit, Devils Garden District, Modoc National Forest Comment
  CAS-BOT-BC42766  Erigeron elegantulus John Thomas Howell 1934-6-30 12261 Modoc Duncan Horse Camp. 1355 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-BC42774  Erigeron filifolius John Thomas Howell 1934-6-13 12099 Modoc Patterson Mill Road, Warner Mountains 1676 Comment
  CAS-BOT-BC49628  Erigeron filifolius Annie Montague Alexander; L. Kellogg 1946-7-17 4999 Modoc South Fork Davis Creek, Warner Mountains 1676 Comment
  HSC5517  Erigeron filifolius M. S. Baker 1893-1 Modoc Lava Bed, Egg Lake Comment
  CAS-BOT-BC49615  Erigeron glacialis var. glacialis Louis Cutter Wheeler 1935-8-8 3806 Modoc Pine Creek, Warner Mountains Comment
  CHSC111996  Erigeron glacialis var. glacialis B. Castro; L. P. Janeway 2008-8-17 1751 Modoc Warner Mountains. North slope of Bald Mountain; mid-slope below upper edge of last row of trees, in upper feeders to S. Fork Mill Creek. 2305 Comment
  JEPS5925  Erigeron glacialis var. glacialis Frances D. Payne 1931-6-25 263 Modoc 2 mi sw Warren Peak; Warner Mts., Pine Creek Basin 2316 Comment
  JEPS41394  Erigeron glacialis var. glacialis M. F. Gilman 603 Modoc Modoc Mts. 1828 Comment
  CAS-BOT-BC49609  Erigeron linearis Annie Montague Alexander; L. Kellogg 1946-8-9 5137 Modoc Patterson Lake Trail, Warner Mts. Comment
  JEPS41569  Erigeron linearis L. S. Smith 1166 Modoc Timber Mt. Comment
  RSA93193  Erigeron linearis J. T. Howell 1934-6-30 12252 Modoc Duncan Horse Camp. 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
  RSA606127  Erigeron peregrinus subsp. callianthemus L. C. Wheeler 1935-8-8 3806 Modoc Consolidated Mine, Pine Creek, Warner Mountains. 2287 Comment
  CAS-BOT-BC49576  Erigeron philadelphicus Bruce Bartholomew 1989-8-12 5128 Modoc Deep Creek, E side of Warner Mountains. 1920 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
  RSA503041  Erigeron philadelphicus Bruce Bartholomew, B. Anderson 1988-6-24 4355 Modoc 9.8 km SW of County Road 1 on County Road 42, E side of the Warner Mountains 1960 Comment
  SJSU9650  Erigeron pumilus var. intermedius W. Savage 1979-7-8 1485 Modoc N end Fairchild Swamp Unit, Triangle, Devils Garden District, Modoc National Forest 1493 Comment
  CAS-BOT-BC197821  Eriogonum elatum Robert Patterson; Mona Bourell 1993-8-15 5235 Modoc Warner Mountains. Along trail from Patterson Lake to ca. 2 mi north towards Pepperdine Trailhead. 2743 Comment
  CAS-BOT-BC197828  Eriogonum elatum Leland S. Smith 1917-7-18 75 Modoc Soldier Creek. 1828 Comment
  UC634522  Eriogonum elatum F. H. Frost 1925-7-12 Modoc Stow's Meadow - Cedar Canyon Warner Mts., Cedar Canyon Comment
  CAS-BOT-BC197808  Eriogonum heracleoides var. heracleoides Elmer Ivan Applegate 1932-8-1 8006 Modoc Warner Mts. S of Warren Peak. Comment
  CAS-BOT-BC197810  Eriogonum heracleoides var. heracleoides Annie Montague Alexander; L. Kellogg 1946-7-14 5070 Modoc Emerson Peak, Horse Mountain, Warner Mts. Comment
  JEPS56886  Eriogonum heracleoides var. heracleoides Frank W. Peirson 1926-6-25 6863 Modoc Cedarville Road near summit of grade Warner Mts. Comment
  POM229188  Eriogonum heracleoides var. heracleoides Louis C. Wheeler 1935-8-2 3750 Modoc Warner Mountains: Twenty Mile Creek. 2195 Comment
  RSA796041  Eriogonum heracleoides var. heracleoides L. P. Janeway, B. Castro 2012-7-24 10974 Modoc Warner Mountains. Northwestern flank of Mount Bidwell; 1.2 air km south of Dismal Swamp. 2362 Comment
  UC585249  Eriogonum heracleoides var. heracleoides E. B. Babcock, G. L. Stebbins Jr. 1936-6-9 1816 Modoc about 3 mi w Cedarville; Warner Mountains, Cedar Creek Canyon Comment
  UC711881  Eriogonum microthecum var. ambiguum Roxana S. Ferris and Laura Lorraine 1941-8-14 10607 Modoc about 10 mi on Eagleville road Patterson Ranger Station; Modoc National Forest, Warner Mountains Comment
  CAS-BOT-BC197801  Eriogonum microthecum var. microthecum John Thomas Howell 1934-6-13 12098 Modoc Patterson Mill Road, Warner Mts. 1676 Comment
  CDA35640  Eriogonum nudum J. R. Keck Jr. 1985-7-1 PDR# 237693 & PDR# 237694 Modoc U. S. Forest Service land, Modoc National Forest. 0 Comment
  CAS-BOT-BC211443  Eriogonum nudum var. pubiflorum Roxana Stinchfield Ferris; R. Duthie 1919-6-15 190 Modoc Above Parker Creek near Modoc Nat. Forest. Comment
  CAS-BOT-BC211447  Eriogonum nudum var. pubiflorum Clare Butterworth Hardham 1961-6-18 7553 Modoc E of Cedar Pass. 1828 Comment
  CHSC117363  Eriogonum nudum var. pubiflorum Lowell Ahart; John Dittes 2016-7-14 21188 Modoc About 30 yards west of the Fishing Access Sign, south side of a poor dirt road, About 1/8 mile south of Ash Creek, Ash Creek State Wildlife Area, 1 mile (air) south of County Road 87, 1.7 miles (air) southwest of Adin, Big Valley. 1276 Comment
  RSA165443  Eriogonum nudum var. pubiflorum Clare B. Hardham 1961-6-19 7842 -B Modoc Willow Creek. Warner Mountains. Comment
  RSA152747  Eriogonum nudum var. pubiflorum I. L. Wiggins, Dorothy B. Wiggins 1961-6-12 16440 Modoc 4 miles E of summit of Cedar Pass, along Cedar Pass road. Comment
  RSA66348  Eriogonum nudum var. pubiflorum F. W. Peirson 1926-6-25 6862 Modoc West slope of Warner Mountains on Cedarville Road. Comment
  RSA66352  Eriogonum nudum var. pubiflorum F. W. Peirson 1926-6-25 6861 Modoc West slope of Warner Mountains on Cedarville Road. Comment
  SEINET5330941  Eriogonum nudum var. pubiflorum M. J. Williams 1984-6-30 84- 76 -1 Modoc Cedar Pass Road, Warner Mtns., 1.7 mi W of Cedarville. 1509 Comment
  NY283201  Eriogonum ovalifolium subsp. flavissimum L. C. Wheeler 1935-8-5 3790 Modoc Pine Creek, Warner Mountains 2377.4 Comment
  CAS-BOT-BC211397  Eriogonum ovalifolium var. nivale Bruce Bartholomew 1990-8-4 5646 Modoc Top of pass on Summit Trail, ca. 0.5 km SE of Patterson Lake, E side of Warner Mts. 2800 Comment
  CHSC27615  Eriogonum ovalifolium var. nivale Robert Schlising 1978-7-29 3325 Modoc Warner Mountains, directly E of Warren Peak, just off summit of trail. 2852 Comment
  UC1567366  Eriogonum ovalifolium var. nivale G. Schoolcraft 1989-7-16 1957 Modoc e Patterson Lake; Warner Mtns. 2804 Comment
  SEINET5330021  Eriogonum prociduum J. L. Reveal 1971-6-22 2462 Modoc Along U.S. Highway 395, 3.5 miles north of the junction of U.S. 395 with California Highway 299, and 1.2 miles north of the Chimney Rock Turnoff. 1402 Comment
  CAS-BOT-BC211351  Eriogonum spergulinum var. reddingianum Elmer Ivan Applegate 1932-8-3 8104 Modoc East branch of Mill Creek, Mill Creek Meadows, west slope Warner Mts. Comment
  CHSC112343  Eriogonum sphaerocephalum L. P. Janeway; B. Castro 2014-6-2 11280 Modoc Great Basin. Along County Road 5 1.0 km west of the southwest corner of Cow Head Lake. 1627 Comment
  UCD101199  Eriogonum sphaerocephalum Beecher Crampton; Carl Rimbey 1954-7-6 2122 Modoc 6 miles east of Alturas, along road 56, Collis Ranch. Comment
  CAS-BOT-BC211376  Eriogonum sphaerocephalum var. halimioides K. Paulson; Robert Paulson 1989-7-18 195 Modoc Vicinity of crest of Warner Mts. near Granger Summit. 2072 Comment
  CAS-BOT-BC211382  Eriogonum sphaerocephalum var. halimioides Margaret J. Williams 1983-7-29 83- 116 -6 Modoc 1.1 mi N of Stowe Reservoir Campground, N of Cedar Pass, Warner Mts. 2087 Comment
  CAS-BOT-BC211389  Eriogonum sphaerocephalum var. halimioides Belknap C. Goldsmith 1912-7-1 56 Modoc Little Hot Spring Valley. Comment
  CAS-BOT-BC211393  Eriogonum sphaerocephalum var. halimioides Francis Dorris Payne 1931-6-21 209 Modoc Ridge SW of Dry Creek. 1981 Comment
  CHSC113988  Eriogonum sphaerocephalum var. halimioides L. P. Janeway 2014-7-8 11467 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
  CHSC42183  Eriogonum sphaerocephalum var. halimioides C. E. Laver 1985-7-12 Modoc Ca. 18 mi sw of Alturas and 0.5 mi sw of Graven Reservoir. 1524 Comment
  CHSC67274  Eriogonum sphaerocephalum var. halimioides James D. Jokerst 1990-8-2 3211 B Modoc Hwy. 139 NW of Canby, ca. 300 m N of the road at the SE edge of a large dry lake, within the dry-down zone adjacent to a concrete overflow structure. Comment
  NY283122  Eriogonum sphaerocephalum var. halimioides B. Anderson 1986-7-9 3159 Modoc Warner Mountains. Highway 299 just west of Cedar Pass. Comment
  POM105203  Eriogonum sphaerocephalum var. halimioides R. M. Austin 1895-08 436 Modoc Goose Lake Valley. Comment
  RSA101446  Eriogonum sphaerocephalum var. halimioides R. Weatherby 1955-7-8 1641 Modoc West side of Cedar Pass, near Warner Mts. 1646 Comment
  UC201707  Eriogonum sphaerocephalum var. halimioides W. P. Taylor and H. C. Bryant 1910-7-13 Modoc Head N. Fork Parker Cr. Warner Mountains, N. Fork Parker Cr. 2286 Comment
  UC585152  Eriogonum sphaerocephalum var. halimioides E. B. Babcock, G. L. Stebbins Jr. 1936-6-9 1797 Modoc hill above Lake City 1515 Comment
  SEINET5331612  Eriogonum sphaerocephalum var. halimioides M. J. Williams 1962-7-8 s.n. Modoc North of Cedar Pass. 2134 Comment
  CAS-BOT-BC211358  Eriogonum strictum subsp. anserinum Margaret J. Williams 1984-7-1 84- 87 -5 Modoc NW of Alturas, Crowder Flat Road, Big Sage Reservoir. 1371 Comment
  UC1250295  Eriogonum strictum var. anserinum Annie M. Alexander and Louise Kellogg 1946-7-24 5072 Modoc Horse Mountain Warner Mountains, Horse Mountain Comment
  RSA601668  Eriogonum strictum var. anserinum Louis C. Wheeler 1935-8-5 3790 Modoc Pine Creek, Warner Mts. 2378 Comment
  CAS-BOT-BC497224  Eriogonum strictum var. proliferum Margaret J. Williams 1988-5-30 88- 26 -9 Modoc Jess Valley, E of Likely, S of roadside rest. 1524 Comment
  CAS-BOT-BC211375  Eriogonum umbellatum Bruce Bartholomew 1991-8-5 6069 Modoc Summit Trail between Squaw Peak and Cottenwood Lake along crest of Warner Mts. 2530 Comment
  HSC75595  Eriogonum umbellatum G. M. Riegel 1980-9-3 1134 Modoc S Warner Mtns. 1829 Comment
  CDA22679  Eriogonum umbellatum var. dumosum T. C. Fuller 1959-7-8 6041 Modoc Highway 139, 10 miles north of Canby. 0 Comment
  CHSC109467  Eriogonum umbellatum var. dumosum L. P. Janeway; B. Castro 2012-7-28 11036 Modoc Warner Mountains. At Obsidian Needles Obsidian Collecting Area; along Road 45N34 loverlooking North Fork Davis Creek about 6.0 air km east-northeast of the community of Davis Creek (on Hwy 395). 1905 Comment
  UC1075724  Eriogonum umbellatum var. dumosum Robert J. Weatherby 1955-7-8 1633 Modoc 3 mi n Ft. Bidwell; Warner Mts. 1554 Comment
  CAS-BOT-BC211330  Eriogonum umbellatum var. glaberrimum Louis Cutter Wheeler 1935-8-3 3773 Modoc Pine Creek, Warner Mts. 1950 Comment
  NY399207  Eriogonum umbellatum var. modocense B. M. Bartholomew 1990-6-17 5358 Modoc 11.3 km north of Buck Creek Ranger Station, a crest of the Warner Mountains 2130 Comment
  UCR55660  Eriogonum umbellatum var. modocense G. R. Ballmer 1988-7-21 s.n. Modoc Warner Mtns., Warner Mountains, Bidwell Mountain, c. 3 mi. south of Oregon border in extreme NE corner of state Comment
  CAS-BOT-BC197794  Eriogonum umbellatum var. nevadense Elmer Ivan Applegate 1932-8-1 8014 Modoc Just S of Warren Peak. Comment
  CAS-BOT-BC197611  Eriogonum umbellatum var. polyanthum Annie Montague Alexander; L. Kellogg 1946-7-30 5094 Modoc East slope below summit of Eagle Peak. Comment
  CAS-BOT-BC197618  Eriogonum umbellatum var. polyanthum E. S. Willits 1940-6-5 327 Modoc Canby. Comment
  CAS-BOT-BC197620  Eriogonum umbellatum var. polyanthum K. Paulson; Robert Paulson 1989-5-8 109 Modoc Howard's Gulch, along Hwy 139. 1371 Comment
  RSA238656  Eriogonum umbellatum var. polyanthum James L. Reveal 1971-6-22 2461 Modoc Along U.S. Highway 395 at Davis Creek. 1454 Comment
  SEINET5331990  Eriogonum umbellatum var. polyanthum M. J. Williams 1988-5-30 88- 23 -1 Modoc First road into Big Sage Reservoir from Crowder Flat Road, NW of Alturas. 1539 Comment
  CAS-BOT-BC197595  Eriogonum vimineum Frank Warrington Peirson 1926-6-24 6856 Modoc Near a small lake about 3 mi E of Alturus. Comment
  CAS-BOT-BC197600  Eriogonum vimineum Barrett Anderson 1986-7-9 3162 Modoc Warner Mts, County Rd. 195 just E of Cedar Pass. 1785 Comment
  CHSC111415  Eriogonum vimineum Lowell Ahart; John Dittes 2012-7-12 18352 Modoc In the parking area on the east side of Elkins Lane, northeast of the homestead, about 300 yards north of the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1295 Comment
  SEINET5341981  Eriogonum vimineum R. R. Halse 2010-8-25 8084 Modoc Along State Hwy 139 ca. 25.5 miles northwest of its junction with State Hwy. 299, Modoc National Forest 1278 Comment
  CAS-BOT-BC197596  Eriogonum vimineum Harvey Monroe Hall 1925-8-30 12210 Modoc Mountain slopes, E side Goose Lake. Comment
  HSC17397  Eriogonum vimineum M. T. Milligan 1964-8-8 222 Modoc 2 mi. W on Jones Lane at Westside Canal, from Hwy. 395 1372 Comment
  LA84252  Eriogonum vimineum O. H. Kappler; 1949-7-26 sn Modoc S of Alturas, along highway 395 1402 Comment
  CAS-BOT-BC49554  Eriophyllum lanatum Mrs. H. C. Cantelow 1940-6-1 s.n. Modoc Cedar Pass, Warner Mts., east of Alturas. Comment
  CAS-BOT-BC49564  Eriophyllum lanatum Bruce Bartholomew; Barrett Anderson 1988-7-21 4422 Modoc S end of Whitehorse Flat Reservoir. 1340 Comment
  CAS-BOT-BC49567  Eriophyllum lanatum Alice Eastwood; John Thomas Howell 1940-6-13 8109 Modoc Surprise Valley Comment
  CHSC112350  Eriophyllum lanatum var. achilleoides L. P. Janeway; B. Castro 2014-2-6 11283 Modoc Great Basin. Along County Road 5 1.0 km west of the southwest corner of Cow Head Lake. 1627 Comment
  UC336339  Eriophyllum lanosum unknown 1878-5-1 Modoc Surprise Valley Comment
  CAS-BOT-BC180085  Erodium cicutarium Bruce Bartholomew; Mona Bourell 1990-4-26 5150 Modoc 0.5 km S of Day. 1100 Comment
  CHSC71845  Eryngium alismifolium Vernon H. Oswald; Lowell Ahart 1998-9-8 9599 Modoc Mosquito Lake on the north side of Whitehorse Flat Reservoir ca. 20 air mi north of McArthur. 1341 Comment
  JEPS117164  Eryngium alismifolium Lowell Ahart, John Dittes 2010-8-30 17063 Modoc About 5 yards east of the fence, south edge of the meadow, Ash Creek State Wildlife Area, 2,300 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley 1267 Comment
  RSA604001  Eryngium alismifolium L. C. Wheeler 1935-8-21 3900 Modoc Devil's Garden: Pine Spring 1524 Comment
  UC1540174  Eryngium alismifolium Dean Wm. Taylor and Glenn L. Clifton 1987-6-27 9085 Modoc northwestern margin Dorris Reservoir; northwestern margin of Dorris Reservoir 1341 Comment
  CAS-BOT-BC21477  Eryngium articulatum Bruce Bartholomew 1991-8-4 6013 Modoc W side of Goose Lake, 10.5 km N of McGinty Point. 1460 Comment
  HSC94014  Eryngium articulatum L. C. Wheeler 1935-9-13 3985 Modoc Devil's Garden: Fletcher Creek at Pease Place. 1524 Comment
  CAS-BOT-BC497204  Eryngium articulatum Louis C. Wheeler 1935-9-13 3985 Modoc Davil's Garden: Fletcher Creek at Pease Place 1524 Comment
  JEPS16989  Eryngium articulatum L. S. Smith 1917-9-18 163 Modoc Little Grizzly Ranger Station Warner Mts., Little Grizzly Ranger Station Comment
  SEINET10693724 Image available Eryngium articulatum Milo S. Baker 1899-8-12 Baker s.n. Modoc Egg Lake. Comment
  UC420514  Eryngium castrense Milo S. Baker 1899-8-18 Modoc Little Hot Springs Valley Comment
Read comments
Sep 11 2007
  CAS-BOT-BC58331  Erysimum capitatum var. capitatum Annie Montague Alexander; L. Kellogg 1946-6-27 4843 Modoc Highgrade, (top of ridge, 2 mi. by road from Dismal Swamp) N end fo Warner Mountains. 2377 Comment
  CAS-BOT-BC58336  Erysimum repandum Francis Dorris Payne 1932-5-27 410 Modoc Parker Creek. 1584 Comment
  CHSC85103  Erysimum repandum John Dittes; Josephine Guardino 1991-6-1 367 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-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
  CAS-BOT-BC229921  Erythranthe guttata Roxana Stinchfield Ferris; R. Duthie 1919-6-13 47 Modoc Parker Creek near Modoc Nat. Forest Boundary. Comment
  CHSC27076  Erythranthe lewisii Robert A. Schlising 1978-7-29 3321 Modoc Warner Mountains, Pine Creek Basin in South Warner Wilderness Area. Comment
  CAS-BOT-BC234464  Erythranthe pulsiferae Bruce Bartholomew 1993-6-12 6607 Modoc Flat between Egg Lake and Lookout just E of railroad track. 1260 Comment
  CAS-BOT-BC190758  Eschscholzia californica R. M. Austin 1891-1-1 s.n. Modoc Modoc County. Comment
  CAS-BOT-BC402921  Eschscholzia californica Elmer I. Applegate 1935-6-12 9523 Modoc Lava Beds National Monument. Caldwell Butte, south slope Comment
  CAS-BOT-BC15167  Eurybia integrifolia Bruce Bartholomew 1989-8-12 5112 Modoc Middle Fork of Fitzhugh Creek along West Warner Road, W side of Warner Mountains. 1920 Comment
  UC88084  Euthamia occidentalis Mrs. R. M. Austin September 1894 204 Modoc Goose Lake Comment
  CAS-BOT-BC498674  Fabaceae Clare B. Hardham 1961-6-18 7862 Modoc Warner Muntains. Pine Creek 1676 Comment
  UCR163260  Festuca Jim Andre 1993-7-2 1427 Modoc Modoc Plateau, about 10 miles NW of Canby on Hwy 139, near NW end of Oak Ridge 1494 Comment
  JEPS127212  Festuca idahoensis Lowell Ahart, John Dittes 2016-6-6 20941 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
  SEINET220370  Festuca idahoensis Jack L. Reveal 1976-6-2 1938 Modoc Modoc National Forest ; 48 mi S of Klamath Falls near Perez 1280 Comment
  UC1024875  Festuca idahoensis Leo Whitney 1935-5-26 3149 Modoc ca 18 mi wnw Canby (near U.S.B.E. Plot); Hole-in-the-Rock Comment
  UCD66091  Festuca idahoensis A. H. Shunk 1923-7-26 Modoc Modoc and Siskiyou County: Tule Lake. Comment
  JEPS74011  Festuca pratensis Frances D. Payne 1932-7-18 711 Modoc s. and e. Alturas (Parker Creek); Warner Mts., Parker Creek 1584 Comment
  POM182007  Floerkea proserpinacoides F. W. Peirson 1926-6-25 6888 Modoc 1 mile east of summit of Cedarville Road, Warner Mountains Comment
  RSA600331  Floerkea proserpinacoides Louis C. Wheeler 1935-8-1 3733 Modoc Warner Mountains: Dismal Swamp, Twenty Mile Creek. 2226 Comment
  POM204120  Floerkea proserpinacoides J. T. Howell 1934-6-14 12130 Modoc Near Lost Lake, Warner Mts. 2439 Comment
  SEINET5356110  Floerkea proserpinacoides M. J. Williams 1984-6-30 84- 80 -1 Modoc Warner Mtns., Granger Canyon Road, 6.8 mi W of Cedarville-Gerlach road 1981 Comment
  CAS-BOT-BC217076  Frangula rubra Bruce Bartholomew 1989-7-14 4969 Modoc E side of Lower Roberts Reservoir and ca. 3 km NNE of Lookout. 1300 Comment
  NY188598  Frasera albicaulis M. J. Williams 1988-5-28 88- 19 --4 Modoc Hwy 395, intersection with Davis Creek road. Comment
  POM128268  Frasera albicaulis var. nitida Franklin P. Nutting 1894-6-13 s.n. Modoc Near Egg Lake. 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
  UC71742  Fritillaria atropurpurea Mrs. M. H. Manning May, 1903 128 Modoc Fort Bidwell, in north eastern Modoc County Fort Bidwell Comment
  SEINET8478733  Fritillaria atropurpurea M. J. Williams 1968-1 Modoc Comment
  CAS-BOT-BC242089  Fritillaria pudica L. A. M. Black 1894-4-1 100 Modoc Davis Creek. Comment
  CAS-BOT-BC242097  Fritillaria pudica Bruce Bartholomew; Barrett Anderson 1989-4-28 4657 Modoc 9 km N of State Highway 299 and ca 1.5 km SE Raker & Thomas Reservoir. 1500 Comment
  CHSC42209  Fritillaria pudica C. E. Laver 1986-3-26 Modoc Ca. 11.5 mi ne of Alturas and 1 mi sw of Thomes Creek. 1524 Comment
  JEPS61944  Fritillaria pudica Mary H. Manning before Aug. 1918 Modoc Fort Bidwell Comment
  SDSU20642  Fritillaria pudica Sean Ryan, Michael G. Simpson 2010-6-24 67 Modoc North of Hwy 299, approximately 0.8 miles beyond Stough Reservoir Campground along Forest Road 43N07, 20 yards east of the road. Open clearing. Warner Mountains. Modoc National Forest. 2000 Comment
  JEPS61941  Fritillaria pudica B. M. Payne 1930-3-29 342 Modoc s and e of Alturas (Warner Mountains, Parker Creek); Warner Mountains, Parker Creek 1584 Comment
  CAS-BOT-BC225044  Galium aparine Bruce Bartholomew; Barrett Anderson 1989-6-3 4864 Modoc Quaking Aspen Spring, between Goose Lake and Clear Lake Reservoir. 1500 Comment
  CAS-BOT-BC225057  Galium aparine John Thomas Howell 1934-6-13 12063 Modoc Fandango Pass. 1828 Comment
  CAS-BOT-BC225065  Galium glabrescens subsp. glabrescens Clare Butterworth Hardham 1961-6-18 7540 Modoc 3.2 mi. E of summit of Cedar Pass. Comment
  CAS-BOT-BC225066  Galium glabrescens subsp. modocense G. Rugel 1981-6-23 1140 Modoc On ridgetop, S of Hwy 299, 0.5 mi. W of Cedarville. 1615 Comment
  CHSC77231  Galium glabrescens subsp. modocense G. Schoolcraft. 1999-6-9 2830 Modoc About 2.5 mi N of Eagleville. 1584 Comment
  HSC80868  Galium glabrescens subsp. modocense G. M. Riegel 1980-8-28 1100 Modoc S Warner Mtns., S Warner Wilderness Area 2676 Comment
  RSA165568  Galium glabrescens subsp. modocense Clare B. Hardham 1961-6-18 7540 Modoc 3.2 miles east of Summit of Cedar Pass Comment
  UC1446111  Galium glabrescens subsp. modocense Gary Schoolcraft 1979-8-9 172 Modoc at base of large rocks w Ten Mile Creek (n of drainage to w) 1767 Comment
  UC748483 Image available Galium glabrescens subsp. modocense Annie M. Alexander and Louise Kellogg 1946-7-14 5071 Modoc open slope of Horse Mountain; Warner Mountains; Horse Mt., Warner Mts., Modoc Co. Comment
  POM68205  Galium mexicanum subsp. asperulum R. M. Austin 1895-07 474 Modoc Davis Creek Comment
  UC416661  Galium mexicanum var. asperulum Mrs. M. H. Manning 1904-7-9 488 Modoc John Henry Hill John Henry Hill (ne Modoc Co.) 2133 Comment
  CAS-BOT-BC225080  Galium serpenticum subsp. warnerense Louis Cutter Wheeler 1935-8-6 3794 Modoc edge of Warner Mts., 0.25 mi. E Pine Creek (town). 1554 Comment
  RSA610763  Galium serpenticum subsp. warnerense Louis C. Wheeler 1935-8-6 3794 Modoc Edge of Warner Mts, 1/4 mile E Pine Cree (Town). 1555 Comment
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Mar 3 2009
  SD70510  Galium serpenticum subsp. warnerense Lauramay T. Dempster, Clare Hardham 1961-6-19 1710 Modoc Mouth of canyon just southeast of New Pine Creek. Steep dry southwest slope, in clefts and bases of rocks 1584 Comment
  RSA0005775  Galium serpenticum subsp. warnerense Lauramay T. Dempster, C. Hardham 1961-6-19 1710 Modoc Mouth of canyon just SE of New Pine Creek. 1585 Comment
  CHSC85401  Galium triflorum John Dittes; Josephine Guardino 1991-8-24 462 Modoc Modoc Plateau; Warner Mountains; west slope, ca. 8.2 air-miles east of Goose Lake, ca. 2.3 air-miles south of Dismal Swamp, ca. 1.6 air-mile west of Bidwell Mtn.; tributary of Bidwell Creek west of Highgrade Road. 2087 Comment
  CAS-BOT-BC180119  Garrya fremontii Leland S. Smith 1917-9-12 157 Modoc Buck Creek. 1828 Comment
  CAS-BOT-BC192121  Garrya fremontii E. K. Balls 1950-5-12 14652 Modoc Hillsides north of Bucks Creek Ranger Station, Modoc National Forest, east of Goose Lake. 1859 Comment
  RSA31282  Gayophytum decipiens H. C. Cantelow 1940-6-2 s.n. Modoc About 10 miles NW of Canby, on road to Lava Beds Monument Comment
  RSA185328  Gayophytum diffusum subsp. diffusum Clare B. Hardham 1961-6-21 7898 Modoc Warner Mountains: Lakeview-Plush Road, at head of Camas Creek Comment
  CAS-BOT-BC190837  Gayophytum diffusum subsp. parviflorum Bruce Bartholomew 1991-7-6 5966 Modoc 2.4 km W of County Road 91 Forest Service road 42N03. 1340 Comment
  CAS-BOT-BC190852  Gayophytum diffusum subsp. parviflorum Bruce Bartholomew 1989-7-15 5023 Modoc Manzanita Lookout, top of Manzanita Mountain. 2130 Comment
  HSC80897  Gayophytum diffusum subsp. parviflorum G. M. Riegel 1979-7-30 633 Modoc S Warner Mtns. 2100 Comment
  RSA563217  Gayophytum diffusum subsp. parviflorum Bruce Bartholomew, B. Anderson 1990-7-21 5585 Modoc Homestead Flat, ca. 2.5 km E of Patterson Ranger Station, E side of Warner Mts. 2160 Comment
  CAS-BOT-BC190833  Gayophytum humile Bruce Bartholomew 1991-7-4 5889 Modoc S end of Higgins Flat. 1370 Comment
  CAS-BOT-BC190825  Gayophytum racemosum Leland S. Smith 1922-7-20 1294 Modoc Rush Creek Ranger Station pasture. 1905 Comment
  UC1028656  Gayophytum racemosum Robert J. Weatherby 1955-7-8 1609 A Modoc 7 mi n Ft. Bidwell 1874 Comment
  UC422804  Gayophytum racemosum Milo S. Baker Modoc near Lookout Comment
  CAS-BOT-BC190826  Gayophytum racemosum Mrs. H. C. Cantelow 1935-6-8 920 Modoc Lava beds. Comment
  POM260876  Geranium richardsonii Alice Eastwood, J. T. Howell 1940-6-13 8121 Modoc Near Davis Creek. Comment
  HSC8660  Geranium viscosissimum M. T. Milligan 1964-7-1 123 Modoc Howard's Gulch Campground on Hwy. 139 1372 Comment
  NY1101443  Geranium viscosissimum var. nervosum M. S. Baker 1893-7-15 s.n. Modoc Comment
  RSA0029587  Geranium viscosissimum var. nervosum George Willet 1935-6-26 s.n. Modoc Jess Valley, Warren [Warner] Mountains. 2287 Comment
  CAS-BOT-BC214669  Geum triflorum K. Paulson; Robert Paulson 1988-5-22 1 Modoc Boles Creek, Devil's Garden. 1402 Comment
  HSC18642  Geum triflorum M. T. Milligan 1967-7-8 665 Modoc W slope of Eagle Peak 2439 Comment
  UC114197  Geum triflorum Mrs. R. M. Austin June 1894 177 Modoc Willow Creek Comment
  CAS-BOT-BC214662  Geum triflorum Elmer Ivan Applegate 1936-5-11 10273 Modoc Post Office Cavern, Lava Beds National Monument. Comment
  CAS-BOT-BC214684  Geum triflorum M. M. Hanna 1956-6-7 1015 Modoc Hiway 139 between Canby & Tienesla Comment
  SD133745  Geum triflorum Milo S. Baker 1893-6 Modoc Pine woods. Comment
  CAS-BOT-BC190698  Gilia inconspicua Bruce Bartholomew 1995-5-13 6905 Modoc 4.8 km W of Eagleville, E side of the S end of Surprize Valley. 1460 Comment
  CAS-BOT-BC190691  Gilia leptalea subsp. leptalea Bruce Bartholomew 1995-7-30 7040 Modoc 3.0 km E of Day on County Road 94. 1050 Comment
  CAS-BOT-BC26132  Gilia modocensis Alice Eastwood; John Thomas Howell 1940-6-12 8073 Modoc Between Likely and Jess Valley Comment
  CAS-BOT-BC190657  Gilia modocensis Elmer I. Applegate 1936-5-9 10259 Modoc Lave Beds National Monument, Hippo Butte. Comment
  CAS-BOT-BC190665  Gilia sinistra subsp. sinistra Alice Eastwood; John Thomas Howell 1940-6-15 8290 Modoc 9 mi. N of Lookout. 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
  HSC38839  Glyceria borealis J. P. Smith, J. O. Sawyer 1973-8-9 7270 Modoc Blue Lake, Modoc National Forest. 1829 Comment
  HSC10710  Glyceria elata M. T. Milligan 1966-6-30 511 Modoc Slopes and ridges E of Jess Valley 1768 Comment
  UCD32732  Glyceria elata Beecher Crampton 1954-7-8 2176 Modoc Warner Mountains, 15 miles east of Likely, along road to Jess Valley. 1676 Comment
  UCD66835  Glyceria elata Beecher Crampton; Carl Rimbey 1954-7-8 2176 Modoc Jess Valley, Warner Mountains, 15 miles east of Likely. Comment
  CAS-BOT-BC303768  Glyptopleura marginata B. Bartholomew 1993-6-13 6621 Modoc Near Fortynine Creek, E of Cedarville on E side of Surprise Valley 1400 Comment
  CAS-BOT-BC49571  Glyptopleura marginata Bruce Bartholomew 1993-6-13 6621 Modoc Near Fortynine Creek, E of Cedarville on E side of Surprise Valley. 1400 Comment
  HSC5710  Gnaphalium palustre M. T. Milligan 1964-8-21 230 Modoc S end of Dorris Reservoir Dam 1372 Comment
  UC71856  Goodyera oblongifolia Mrs. M. H. Manning 1903-9-2 369 Modoc John Henry Camp, in north-eastern Modoc County John Henry Camp 1828 Comment
  CHSC106192  Gratiola ebracteata Lowell Ahart; John Dittes 2010-8-31 17128 Modoc Edge of a pond, about 400 yards west of Elkins Lane and the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  CAS-BOT-BC229888  Gratiola neglecta Verne Grant; I. Schneider 1947-7-20 8094 Modoc S loop of Westside Road, Pit Valley, N of Likely. Comment
  CAS-BOT-BC229890  Gratiola neglecta Herbert Louis Mason; Verne Grant 1947-7-12 13393 Modoc Jones' Lane, off Hwy 395, several miles S of Alturas. Comment
  CHSC99253  Gratiola neglecta Lowell Ahart; John Dittes 2008-6-21 14993 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) north of the Headquarters at Ash Creek State Wildlife Area, about 5.4 miles (air) northeast of Bieber. 1255 Comment
  POM312577  Gratiola neglecta H. L. Mason, Verne Grant 1947-7-12 13393 Modoc Irrigation ditch by Jones' Lane, off Hwy 395, several miles S of Alturas. 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
  UCD123723  Gratiola neglecta Verne Grant; Irving Schneider 1947-7-20 8094 Modoc south loop of Westside Road, Pitt Valley, north of Likely. 1341 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-BC304879  Grindelia hirsutula L. S. Smith 1925-7-1 1507 Modoc Modoc National Forest. Webb Flat above Egg Lake 1310 Comment
  CHSC99904  Grindelia nana Lowell Ahart; John Dittes 2008-8-21 15279 Modoc On the west side of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout. 1273 Comment
  UC1523803  Hackelia californica Lisa Janio 1981-7-13 55 Modoc near Bear Spring 1524 Comment
  CAS-BOT-BC54093  Hackelia cusickii Bruce Bartholomew; Barrett Anderson 1989-6-3 4852 Modoc 6.4 km N of State Hwy 299 on Crowder Flat Road and ca. 5.5 km S of Big Sage Reservoir. 1550 Comment
  JEPS96533  Hackelia cusickii Dean Wm. Taylor with Glenn L. Clifton 1992-5-7 12527 Modoc 0.5 mile E of Duncan Reservoir, on hillside on western rim of Black Canyon 1524 Comment
  CAS-BOT-BC54057  Hackelia micrantha Elmer Ivan Applegate 1932-7-31 7961 Modoc Mill Creek Meadow, Warner Mountains Comment
  POM72792  Hackelia micrantha Mrs. R. M. Austin, Bruce 1898-06 2268 Modoc Lake City Canyon. Comment
  CAS-BOT-BC49547  Helianthus annuus Isabelo T. Kelly 1930-1-1 35 Modoc Fort Bidwell. Comment
  JEPS117167  Helianthus annuus Lowell Ahart, John Dittes 2010-8-30 17072 Modoc About 150 yards west of the fence, south edge of the meadow, Ash Creek State Wildlife Area, 2,300 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley 1267 Comment
  JEPS127721  Helianthus annuus Alejandro Brambila, Michael Dolan 2016-9-5 CA 320 -176 Modoc South Likely Tablelands on road to Nelson Springs. Population to South after second gate. Comment
  POM311135  Helianthus annuus subsp. lenticularis Annetta Carter 1946-8-18 1775 Modoc Along roadiside in open valley; Eound Valley, 3 miles northeast of Adin 1402 Comment
  CAS-BOT-BC54064  Heliotropium curassavicum Bruce Bartholomew 1989-8-11 5058 Modoc Along W side of Goose Lake, 3.5 km S of the Oregon border on National Forest Road 48. 1430 Comment
  RSA611434  Heliotropium curassavicum var. oculatum L. C. Wheeler 1935-9-4 3943 Modoc Goose Lake: McGinty Point. 1463 Comment
  RSA0113964  Hemizonia lobbii Lowell A. Ahart, John Dittes 2008-8-25 15328 Modoc On the east side County Road 91, 3.9 miles (air) north-northeast of Lookout. 1276 Comment
  HSC21507  Heracleum maximum M. T. Milligan 1966-7-3 524 Modoc Slopes and ridges E of Jess Valley 1829 Comment
  CHSC106329  Herniaria hirsuta subsp. hirsuta Lowell Ahart; John Dittes 2010-8-31 17110 Modoc In the parking area on the east side of Elkins Lane, northeast of the homestead, about 300 yards north of the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1295 Comment
  CAS-BOT-BC180042  Hesperochiron californicus K. Paulson; Robert Paulson 1989-4-16 102 Modoc Crowder Flat Road, Devil's Garden. 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
  RSA794857  Hesperochiron californicus George Willet 1935-6-13 s.n. Modoc 4 miles east of Likely 1524 Comment
  UC26093  Hesperochiron californicus Mrs. R. M. Austin June 1894 Modoc lava beds w. Goose Lake Comment
  CAS-BOT-BC180034  Hesperochiron pumilus Mrs. H. C. Cantelow 1941-5-22 Modoc Hwy 299 just S of Adin Pass Summit. Comment
  HSC68795  Hesperochiron pumilus Gary Schoolcraft 1980-4-29 209 Modoc Harper Hill N of Adin 1402 Comment
  RSA0110965  Hesperochiron pumilus Bruce Bartholomew, B. Anderson 1988-5-12 4102 Modoc White Horse 1340 Comment
  CAS-BOT-BC179170  Hesperolinon micranthum Frances D. Payne 1932-7-11 692 Modoc Parker Creek. 1584 Comment
  CAS-BOT-BC179184  Hesperolinon micranthum John Thomas Howell 1934-6-30 12258 Modoc Duncan Horse Camp. 1355 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
  UC217547  Hesperostipa comata H. M. Hall 1921-9-9 11663 Modoc 6 mi from Malin (northern Modoc Co.) Comment
  HSC20200  Heuchera cylindrica M. T. Milligan 1966-7-5 552 Modoc E of Jess Valley 1829 Comment
  JEPS43514  Heuchera cylindrica var. ovalifolia B. M. Payne 1930-5-11 759 Modoc s and e Alturas (Parker Creek); Warner Mountains 1584 Comment
  CAS-BOT-BC49512  Hieracium albiflorum Bruce Bartholomew 1989-8-12 5117 Modoc South Fork of Pine Creek just N of trailhead to Pine Creek Basin, W side of Warner Mts. 2010 Comment
  HSC69529  Hieracium albiflorum Gary Schoolcraft 1980-7-22 325 Modoc Lake City Canyon 1890 Comment
  CAS-BOT-BC49510  Hieracium albiflorum Annie Montague Alexander; L. Kellogg 1946-6-15 5117 Modoc Deep Creek, Warner Mountains Comment
  HSC5841  Hieracium horridum M. T. Milligan 1966-6-30 503 Modoc Slopes and ridges E of Jess Valley 1768 Comment
  UC75813  Hieracium nudicaule Milo S. Baker 1893-1 Modoc Forestdale Comment
  CAS-BOT-BC49477  Hieracium scouleri Bruce Bartholomew 1989-8-12 5116 Modoc South Fork of Pine Creek just N of trailhead to Pine Creek Basin, W side of Warner Mts. 2010 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
  JEPS5976  Hieracium scouleri Frances D. Payne 1932-7-22 735 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  RSA540064  Hieracium scouleri Bruce Bartholomew, B. Anderson 1990-7-20 5474 Modoc 10.3 km north of Buck Creek Ranger Station, crest of Warner Mountains west side of Warner Mountains. 2130 Comment
  RSA540061  Hieracium scouleri Bruce Bartholomew, B. Anderson 1990-7-19 5418 Modoc Top of Hunters Ridge south of Rush Creek. 1960 Comment
  SEINET11836113  Hieracium scouleri L. S. Rose 1940-1 40527 Modoc 9 mi E of Likely 1676 Comment
  SEINET8408787  Holodiscus microphyllus Unknown 1940-7-1 2155 Modoc Cedar Peak, Warner Mts. Comment
  CAS-BOT-BC214701  Holodiscus microphyllus var. glabrescens A. D. Borden 1911-7-28 s.n. Modoc Top rim S side of Parker Creek. Comment
  JEPS45108  Holodiscus microphyllus var. glabrescens L. S. Smith 1918-8-11 1029 Modoc Camp One Lost Lake (Lost Lake, Modoc Forest); Modoc Forest, Lost Lake 3017 Comment
  CAS-BOT-BC497301  Holosteum umbellatum B. Bartholomew 1994-7-2 678 1 Modoc 5.0 km SE of Joseph Creek Basin on the W side of the Warner Mountains 1930 Comment
  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
  CAS-BOT-BC247688  Hordeum brachyantherum subsp. brachyantherum Bruce Bartholomew 1991-6-23 5873 Modoc W side of Ingall Swamp, Devil's Garden. 1510 Comment
  UC1024918  Hordeum jubatum Leo Whitney 1935-6-29 3361 b Modoc ca 15 mi nw Canby (Lake Joaquina, Hackamore); Modoc National Forest, Lake Joaquina, Hackamore 1463 Comment
  CDA2196  Hordeum marinum subsp. gussoneanum Loring White 1953-3-11 Modoc 0 Comment
  UC1024867  Hordeum murinum subsp. leporinum Leo Whitney 1935-5-30 3159 Modoc White Horse Comment
  CAS-BOT-BC214708  Horkelia fusca var. pseudocapitata Elmer Ivan Applegate 1932-7-31 7688 Modoc Mill Creek Meadow, W slope of Warner Mts. Comment
  CAS-BOT-BC214710  Horkelia fusca var. pseudocapitata Annie Montague Alexander; L. Kellogg 1946-7-11 4970 Modoc Eight Mile Creek, NE corner of county. Comment
  CAS-BOT-BC179330  Hydrophyllum capitatum var. alpinum Annie Montague Alexander; L. Kellogg 1946-6-8 4704 Modoc Near 3 mile Ranger Station sign, road from Eagleville to Patterson Mill. 2225 Comment
  UC71797  Hydrophyllum capitatum var. alpinum Mrs. M. H. Manning 1903-1 87 Modoc se slope Mt. Bidwell (ne Modoc County) Comment
  UC73703  Hydrophyllum capitatum var. alpinum Milo S. Baker 1893-1 Modoc Forestdale Comment
  UC449886  Hydrophyllum capitatum var. alpinum M. F. Gilman 647 Modoc 1524 Comment
  RSA727897  Hymenolobus procumbens Noel Holmgren, Patricia K. Holmgren 1998-5-30 12995 Modoc Surprise Valley, Modoc County Road 299, 6.9 km (4.3 mi) E of downtown Cedarville, at turnoff to some hotsprings. 1370 Comment
  UC748088  Hymenoxys hoopesii Annie M. Alexander and Louise Kellogg 1946-7-7 4950 Modoc Eight Mile Creek 1752 Comment
  HSC59909  Hymenoxys hoopesii G. M. Riegel 1979-9-8 766 Modoc South Warner Mt. Wilderness Area 2427 Comment
  UC748090  Hymenoxys hoopesii Annie M. Alexander and Louise Kellogg 1946-8-3 5114 Modoc head Eagle Creek; Warner Mountains Comment
  CAS-BOT-BC179905  Hypericum anagalloides Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10565 Modoc East Creek ca. 1 mi. E of Patterson Ranger Station, Warner Mts. Comment
  CAS-BOT-BC179906  Hypericum anagalloides Bruce Bartholomew 1989-8-11 5055 Modoc Along W side of Goose Lake, 12.4 km N of McGinty Point on National Forest Road 48. 1430 Comment
  JEPS66827  Hypericum formosum var. scouleri Leland S. Smith 1924-6-29 1436 Modoc Happy Camp Ranger Station Modoc Forest, Happy Camp Ranger Station 1371 Comment
  CAS-BOT-BC58449  Idahoa scapigera Bruce Bartholomew; Barrett Anderson 1989-4-27 4612 Modoc 2.1 km SSE of Day on road to State Highway 299. 1020 Comment
  OBI47989  Idahoa scapigera Rhonda Riggins 1989-4-28 1664 Modoc Pencil rd, 4.4 I N of hwy 395 E of Alturas. T43N, R12E, sec 13 1524 Comment
  CAS-BOT-BC179103  Iliamna bakeri Alice Eastwood; John Thomas Howell 1940-6-14 8242 Modoc Between Mammoth Cave and Lava Beds Nat. Mon. Comment
  CAS-BOT-BC179107  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
  SFV7752  Iliamna bakeri T. Gordon, K. Kimbrough 1975-8-15 1216 Modoc Near the entrance to Lava Beds National Monument. 1280 Comment
  UC73647  Ipomopsis aggregata Milo S. Baker 1893-1 Modoc Forestdale Comment
  UC908149  Ipomopsis aggregata F. H. Frost 155 Modoc Eagle Peak Warner Mtns Comment
  UC449782  Ipomopsis aggregata W. P. Taylor and H. C. Bryant 1910-7-13 Modoc hea of N. Fork Parker Creek Warner Mtns 2225 Comment
  CAS-BOT-BC190644  Ipomopsis congesta subsp. montana Bruce Bartholomew 1990-8-4 5637 Modoc Top of pass on Summit Trail, ca. 0.5 km SE of Patterson Lake, E side of Warner Mts. 2800 Comment
  CAS-BOT-BC190639  Ipomopsis congesta subsp. palmifrons K. Paulson; Robert Paulson 1990-6-6 206 Modoc N of Soldier Creek, E side of Warner Mts. 2011 Comment
  SEINET4152116  Iris missouriensis C. L. Hitchcock 1940-5-28 6727 Modoc 15 miles north of Alturas 1402 Comment
  CAS-BOT-BC245100  Iris missouriensis P. Monnet 1913-7-7 932 Modoc Surprise Valley. Comment
  RSA181832  Iris missouriensis H. N. Metcalf, Jack C. Wilson 1965-7-1 65 -22 Modoc Likely, in a canyon in foothills of Warner Mountains 1646 Comment
  RSA639343  Isoetes howellii L. C. Wheeler 1935-8-3 3757 Modoc Warner Mountains: Rock Lake, Pine Creek 1920 Comment
  JEPS114662  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
  CAS-BOT-BC214721  Ivesia gordonii Gary Schoolcraft 1988-7-16 1833 Modoc E slope of Squaw Peak. Warner Mtns. 2560 Comment
  JEPS47196  Ivesia gordonii Frances D. Payne 1931-6-29 302 C Modoc e slope Mt. Warren; Warner Mountains 2286 Comment
  HSC18689  Ivesia gordonii var. ursinorum M. T. Milligan 1965-7-10 431 Modoc W slopes of Eagle Peak 2591 Comment
  UC1100975  Juncus balticus Herbert L. Mason and Verne Grant 1947-7-9 13318 Modoc Cedar Pass, summit of Warner Range Warner Range 1920 Comment
  CHSC110899  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. 1266 Comment
  CHSC109634  Juncus bufonius var. bufonius Lowell Ahart; John Dittes 2012-7-11 18339 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. 1266 Comment
  CAS-BOT-BC245071  Juncus bufonius var. occidentalis Louis Cutter Wheeler 1935-8-1 3738 Modoc Dismal Swamp. 2225 Comment
  RSA0113962  Juncus bufonius var. occidentalis Lowell A. Ahart, John Dittes 2013-7-24 18930 Modoc About 50 yards south of the levee road, north side of Ash Creek Floodplain, 0.54 mile (air) southeast of Pilor Butte Parking Area, 1.1 miles (air) south of County Road 87, 6.8 miles (air) west of Adin, Big valley. 1263 Comment
  CHSC83464  Juncus confusus Bill Maslach 2001-7-9 28 Modoc Stough Reservoir Campground, off Hwy. 299; Warner Mountains. 1900 Comment
  CAS-BOT-BC245063  Juncus ensifolius Bruce Bartholomew; Barrett Anderson 1988-7-23 4595 Modoc Pine Creek, 4 km E of U.S Highway 395 on the road to Lily Lake, Warner Mts.. 1620 Comment
  CHSC116079  Juncus ensifolius Lowell Ahart; John Dittes 2015-7-16 20394 A Modoc North edge of Ash Creek (destroyed), southeast of the gravel pit (destroyed), about 1/8 mile east of the parking area on the east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  CHSC117756  Juncus hemiendytus var. abjectus L. P. Janeway 2016-5-18 12069 Modoc Modoc Plateau. Devils Garden area; Island Meadow, along Road 47N08 2.1 road-km north of Road 73/181/47N09. Broad flat meadow in rolling terrain of yellow pine and juniper. 1606 Comment
  CAS-BOT-BC245048  Juncus hemiendytus var. hemiendytus Bruce Bartholomew 1995-6-24 7036 Modoc 6 km E of Burlington Northern Railroad track on Forest Service Road 42N03. 1340 Comment
  JEPS3935  Juncus mertensianus N. T. Mirov 1929-7-4 Modoc about 1 mi s Oregon-California boundary; Warner Mountains, Lily Lake 2133 Comment
  RSA30797  Juncus nevadensis C. L. Hitchcock 1940-5-27 6715 Modoc 15 miles NE of Alturas. Comment
  UC1142957  Juncus nevadensis A. L. Hormay 1941-6-23 32 Modoc Spaulding Reservoir Modoc National Forest Comment
  CAS-BOT-BC245041  Juncus torreyi Robert Folger Thorne; et al 1969-9-4 39067 Modoc SW shore of Goose Lake N of McGinty Point. 1432 Comment
  CAS-BOT-BC21498  Juniperus communis var. montana Bruce Bartholomew 1995-9-3 7183 Modoc From pass between North Emerson Lake and Eagle Basin towards Eagle Peak, E side of Warner Mts. 2510 Comment
  RSA520442  Juniperus communis var. montana Bruce Bartholomew 1990-6-16 5262 Modoc W side of Pine Creek Basin, Warner Mountains. 2200 Comment
  HSC26492  Juniperus occidentalis J. P. Smith, J. O. Sawyer 1972-5-6 5264 Modoc FS road to Quail Spring at Hwy. 299, N of Adin 1463 Comment
  SD139417  Juniperus occidentalis F. C. Vasek 1962-9-2 day 5 Modoc Cedarville Road, 5.8 miles east of U. S. 395, east of Alturas. 1615 Comment
  CAS-BOT-BC30151  Juniperus occidentalis var. occidentalis Belknap C. Goldsmith 1910-8-1 17 Modoc Fandango Creek, 3 mi E of Goose Lake. 1584 Comment
  POM337227  Juniperus occidentalis var. occidentalis F. R. Fosberg 1957-8-18 38855 Modoc Upper Rush Creek Camp Ground, northeast of Adin. 1600 Comment
  RSA59343  Juniperus occidentalis var. occidentalis E. K. Balls 1950-5-12 14634 Modoc Above Bucks Creek Ranger Station, Modoc National Forest, E of Goose Lake. 1738 Comment
  CAS-BOT-BC95673  Kalmia polifolia Bruce Bartholomew 1994-7-3 6838 Modoc Mineral Spring, SW of Dismal Swamp, N end of the Warner Mountains. 2310 Comment
  CAS-BOT-BC225091  Kelloggia galioides E. S. Willits 1940-6-9 335 Modoc Fandango Pass. Comment
  CAS-BOT-BC225098  Kelloggia galioides Elmer Ivan Applegate 1932-7-31 7986 Modoc Mill Creek Meadows. Comment
  RSA520449  Kelloggia galioides Bruce Bartholomew, B. Anderson 1990-7-20 5528 Modoc 3.4 Km NW of Tamarack Flat, E side of Warner Mts. 2130 Comment
  CAS-BOT-BC95539  Kochia americana Bruce Bartholomew 1991-6-22 5841 Modoc Surprise Valley, 5.6 km E of Eagleville. 1370 Comment
  CAS-BOT-BC121262  Kochia scoparia Gary Schoolcraft 1984-6-24 1257 Modoc East side of Middle Alkali Lake 1356 Comment
  HSC29815  Koeleria macrantha D. H. Norris, T. Nelson, S. Dowty 1971-6-23 19402 Modoc Along Hager Basin Rd. near Big Sage Reservoir. Comment
  UC1137087  Koeleria macrantha August L. Hormay 1932-7-14 Modoc D D plot site Comment
  UC60745  Koeleria macrantha M. S. Baker and Frank Nutting 1894-6-29 Modoc Big Valley 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
  RSA59531  Lamium amplexicaule E. K. Balls 1950-5-20 14808 Modoc 2 mi. E. of South Fork Public Camp, along South Fork Pit River to Jess Valley. 1463 Comment
  CAS-BOT-BC54067  Lappula redowskii C. C. (Mrs.) Bruce 1893-6-1 85 Modoc Davis Creek. Comment
  CAS-BOT-BC54071  Lappula redowskii Elmer Ivan Applegate 1897-5-31 885 Modoc E side of Tule Lake, near Cornell. Comment
  CAS-BOT-BC181982  Lathyrus brownii Roxana Stinchfield Ferris; R. Duthie 1919-6-13 124 Modoc Above Parker Creek, Warner Mts. 2133 Comment
  UC1037328  Lathyrus brownii Leo Whitney 1934-4-29 1922 Modoc near Hackamore; Modoc National Forest 1463 Comment
  UC15396  Lathyrus brownii Mrs. C. C. Bruce Jun 1898 2223 Modoc Lake City pass Lake City Comment
  JEPS55280  Lathyrus lanszwertii Milo S. Baker 1896-5-31 Modoc Fall River Mountains, se Modoc Co. Fall River Mountains Comment
  RSA101362  Lathyrus pauciflorus subsp. brownii C. A. Weatherby 1955-7-8 1621 Modoc 6 miles north of Ft. Bidwell, northern Warner Mts. 1784 Comment
  CAS-BOT-BC181975  Lathyrus rigidus L. A. M. Black 1893-6-1 80 Modoc Davis Creek. Comment
  CAS-BOT-BC181976  Lathyrus rigidus Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-10 6441 Modoc Just NE of Davis Creek Cemetery, 1.3 km E of Davis Creek. 1500 Comment
  JEPS55326  Lathyrus rigidus Mrs. R. M. Austin and Bruce Jul 1898 2220 Modoc Goose Lake Comment
  RSA598727  Lathyrus rigidus Bruce Bartholomew, M. Gilbert, L. Skog 1993-5-10 6441 Modoc Just NE of Davis Creek Cemetery, 1.3 km E of Davis Creek. 1500 Comment
  CAS-BOT-BC49456  Layia glandulosa Fred D. Douthitt 1916-5-11 11 Modoc Juniper Flats near West Valley. 1524 Comment
  CHSC117030  Lemna minuta Lowell Ahart; John Dittes 2016-6-6 20969 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
  UC1101289  Lemna turionifera Verne Grant, Irving Schneider 1947-7-19 8064 Modoc Corporation Ranch s of Alturas (s of South Loop Road); Corporation Ranch Comment
  CAS-BOT-BC58662  Lepidium chalepense Bruce Bartholomew 1994-5-16 6699 Modoc Little Hot Spring Valley. 1070 Comment
  CAS-BOT-BC58345  Lepidium dictyotum var. dictyotum Bruce Bartholomew 1991-5-24 5692 Modoc Surprise Valley, 5.1 km E of Eagleville. 1370 Comment
  CHSC99153  Lepidium dictyotum var. dictyotum Lowell Ahart; John Dittes 2008-6-21 15011 Modoc Along a large levee, 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
  CDA3795  Lepidium latifolium K. Wright 1965-8-25 Modoc Newell townsite, Tulelake. 0 Comment
  RSA504619  Lepidium perfoliatum Bruce Bartholomew, B. Anderson 1988-6-25 4382 Modoc SW side of Jess Valley, Warner Mountains. 1540 Comment
  CAS-BOT-BC58303  Lepidium virginicum K. Paulson; Robert Paulson 1989-7-18 198 Modoc Vicinity of Granger Creek, E side of Warner Mts. 1790 Comment
  CAS-BOT-BC190632  Leptodactylon pungens Elmer Ivan Applegate 1932-7-9 7610 Modoc N slope of Bidwell Mountain. Comment
  RSA540056  Leptosiphon bolanderi Bruce Bartholomew, M. Bourell 1990-4-26 5155 Modoc 0.5km S of Day. 1100 Comment
  SJSU8706  Leptosiphon harknessii H. L. Buckalew 1961-6-29 Modoc by Stowe Reservoir c. 1 mi N of Cedar Pass on Alturas-Cedarville Rd 1920 Comment
  POM319635  Leptosiphon harknessii Patricia Wilder 1971-6-20 5055 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
  POM74259A  Leptosiphon liniflorus Mrs. R. M. Austin 1895-07 534 Modoc Goose Lake Valley. Comment
  POM96125  Lesquerella occidentalis Mrs. R. M. Austin, Bruce 1898-06 s.n. Modoc Lake City Mt, near Davis Creek. Comment
  CAS-BOT-BC49461  Leucanthemum vulgare Margaret J. Williams 1984-6-29 84- 70 -2 Modoc N of Alturas on Hwy 395 almost to Oregon border. 1432 Comment
  JEPS61978  Leucocrinum montanum Mary H. Manning c. 1912 Modoc Ft. Bidwell Comment
  UC1037302  Leucocrinum montanum Leo Whitney 1934-4-15 1615 Modoc near Hackamore; Modoc National Forest 1463 Comment
  CAS-BOT-BC242082  Leucocrinum montanum M. French Gilman 525 Modoc Modoc County. Comment
  CAS-BOT-BC197454  Lewisia nevadensis E. S. Willits 1940-5-16 256 Modoc Willow Ranch. Comment
  CAS-BOT-BC197500  Lewisia nevadensis Leland S. Smith 1918-5-31 930 Modoc Little Grizzley Ranger Station, Lassen Creek. 1828 Comment
  UC748279  Lewisia rediviva Annie M. Alexander and Louise Kellogg 1946-6-14 4744 Modoc on small flat, Patterson Mill Road se corner of county 1341 Comment
  UC1586893  Lewisia triphylla Juha Pykala and D. H. Norris 1987-5-28 1277 Modoc ca 3-4 mi w Lake City (Lake City Canyon); Warner Mountains, Modoc National Forest, Lake City Canyon 1828 Comment
  JEPS127723  Leymus cinereus Alejandro Brambila, Michael Dolan 2016-8-24 CA 320 -178 Modoc Graves Reservoir Road Comment
  UC70680  Leymus cinereus Mrs. M. H. Manning June 1903 422 Modoc north-eastern Modoc Co. Comment
  UCD64258  Leymus cinereus A. A. Beetle 1941-6-29 2841 Modoc 15 miles E of Alturas on road to Cedarville Pass. 1371 Comment
  UCD64443  Leymus condensatus A. A. Beetle 1941-6-29 2841 Modoc 15 miles E of Alturas, on road to Cedarville Pass. 1371 Comment
  CAS-BOT-BC247633  Leymus triticoides Leland S. Smith 1920-7-4 1173 Modoc Alturas. 1310 Comment
  SEINET179457 Image available Leymus triticoides F. Payne 782 Modoc Warner Mountains Comment
  UC1037174  Leymus triticoides Leo Whitney 1935-7-19 3536 Modoc ca 15 mi nw Canby; Modoc National Forest, Lake Joaquina, Hackamore 1463 Comment
  UCD65581  Leymus triticoides August L. Hormay 1932-7-5 s.n. Modoc Modoc National Forest, Crowder Ranger Station. Comment
  UCD65613  Leymus triticoides L. Whitney 1935-8-3 s.n. Modoc North Warner Mts., Buck Creek. Comment
  UCD65618  Leymus triticoides L. Whitney 1935-8-7 3611 Modoc Modoc National Forest. Lake Joaquina, Hackamore, ca. 15 miles NW of Canby. 1463 Comment
  RSA453850  Ligusticum grayi L. C. Wheeler 1935-8-16 3882 Modoc Warner Mountains: Dismal Swamp, Twenty Mile Creek. 2226 Comment
  UC1100165  Lilaea scilloides Verne Grant and Irving Schneider 1947-7-18 8040 Modoc 5 mi n Bayley's Bridge (s of Alturas, Eastside Canal) Comment
  CAS-BOT-BC242075  Lilium pardalinum subsp. shastense Leland S. Smith 1924-6-29 1440 Modoc Happy Camp Ranger Station meadow. Comment
  CAS-BOT-BC242076  Lilium pardalinum subsp. shastense Bruce Bartholomew 1989-7-14 4933 Modoc Along Rush Creek between Lower and Upper Rush Creek Campgrounds. 1580 Comment
  CAS-BOT-BC198048  Linanthus ciliatus Bruce Bartholomew 1995-6-24 7025 Modoc 16.4 km W of State Hwy 136 on road to Tionesta (Forest Service Road 44N17). 1400 Comment
  UC629080  Linanthus harknessii Louis C. Wheeler 1935-8-16 3868 Modoc Dismal Swamp, Warner Mts., Twenty-Mile Creek 2225 Comment
  CAS-BOT-BC198029  Linanthus nuttallii subsp. nuttallii Louis Cutter Wheeler 1935-8-5 3789 Modoc Little Lily Lake, Warner Mts. 2286 Comment
  UCD123896  Linaria dalmatica subsp. dalmatica T. C. Fuller 1963-8-27 11168 Modoc old saw mill site, Sugar Hill Planting, Lassen Creek, ca. 6 miles southeast of Willow Ranch. Comment
  CHSC109495  Linum lewisii var. lewisii L. P. Janeway; B. Castro 2012-7-26 11010 Modoc Warner Mountains. Top of Yellow Mountain; topmost part and wster edge (at the edge of a steep dropoff to the northwest). 2463 Comment
  SBBG30509  Linum lewisii var. lewisii D. Myrick 1968-6-20 1972 Modoc 20 mi W of Canby on Hwy 139 1524 Comment
  CAS-BOT-BC225815  Lithophragma glabrum Annie Montague Alexander; L. Kellogg 1946-6-5 4666 Modoc Emerson Creek, S of Eagleville, Warner Mts. 2072 Comment
  CAS-BOT-BC225844  Lithophragma glabrum Francis Dorris Payne 1932-4-22 387 Modoc Parker Creek. 1584 Comment
  UC1075749  Lithophragma glabrum Robert J. Weatherby 1955-7-7 1601 Modoc Dismal Swamp, northern Warner Mts. Dismal Swamp; northern Warner Mts. 2240 Comment
  UC1586902  Lithophragma glabrum Juha Pykala and D. H. Norris 1987-5-28 1264 Modoc ca. 3-4 mi w Lake City (Lake City Canyon, by a little stream that runs to Mill Creek); Warner Mountains, Modoc National Forest, Mill Creek 1798 Comment
  CAS-BOT-BC225816  Lithophragma glabrum E. H. Steffen 1917-5-27 16 Modoc West Valley Camp. 1554 Comment
  JEPS47649  Lithophragma glabrum Milo S. Baker 1896-5-15 Modoc Big Valley; near Johnsons Comment
  RSA488032  Lithophragma glabrum Bruce Bartholomew, B. Anderson 1988-5-12 4112 Modoc S side of Egg Lake. 1300 Comment
  CAS-BOT-BC225832  Lithophragma parviflorum Bruce Bartholomew; Barrett Anderson 1989-4-27 4618 Modoc 2.1 km SSE of Day on road to State Highway 299. 1020 Comment
  CAS-BOT-BC225839  Lithophragma tenellum Bruce Bartholomew; Barrett Anderson 1988-5-14 4211 Modoc SW corner of Big Sage Reservoir. 1500 Comment
  CAS-BOT-BC54027  Lithospermum ruderale Bruce Bartholomew; Barrett Anderson 1989-4-27 4636 Modoc Ryan Canyon, 6.0 km NW of Adin on road to Dutch Flat. 1370 Comment
  CAS-BOT-BC54039  Lithospermum ruderale Gordon H. True 1964-6-3 1436 Modoc No. Fork Pit River between Alturas & Goose Lake. 1432 Comment
  UC748463  Lithospermum ruderale Annie M. Alexander and Louise Kellogg 1946-6-10 4724 Modoc <near bottom of slope facing Lower Lake; Lava bench between Lower and Snake Lakes> Comment
  HSC80939  Lithospermum ruderale G. M. Riegel 1980-7-27 935 Modoc S Warner Mtns. 1739 Comment
  RSA59862  Lithospermum ruderale E. K. Balls 1950-5-11 14615 Modoc 2 miles N of Lake City, w. of Upper Alkali Lake. 1418 Comment
  RSA504669  Lomatium K. Paulson, R. Paulson 1988-6-11 30 Modoc N of Stough Reservoir, Warner Mountains 1707 Comment
  CAS-BOT-BC21441  Lomatium bicolor var. leptocarpum Bruce Bartholomew; Barrett Anderson 1989-4-28 4647 Modoc 8.8 km N of State Highway 299 on road to Raker & Thomas Reservoir. 1470 Comment
  CAS-BOT-BC21446  Lomatium bicolor var. leptocarpum Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16386 Modoc 5 mi. E of Hwy 299 (? 395) on Cedar Pass road. Comment
  CHSC66982  Lomatium bicolor var. leptocarpum James D. Jokerst 1987-5-12 2842 Modoc Radar Survey Site S of Doublehead Mtn., N end of central sector. Center of wedge of section 28. Comment
  JEPS118263  Lomatium bicolor var. leptocarpum Lowell Ahart, John Dittes 2011-6-22 17548 Modoc About 50 yards east of the road, about 100 yards northeast of the Pilot Butte Parking Lot, north edge of Ash Creek Floodplain, 1.1 miles (air) south of County road 87, 7.7 miles (air) west of Adin, 10 miles (air) east of Lookout, Big Valley 1264 Comment
  SEINET3081247 Image available Lomatium bicolor var. leptocarpum Arnold Tiehm 1984-6-30 8838 Modoc NW side of Bidwell Mt., 2.2 road miles north of 8 mile creek on the road from Lake Annie 1844 Comment
  UC1563876  Lomatium bicolor var. leptocarpum Barbara Ertter 1989-5-2 8432 Modoc on Hwy. 395 n.e. of Alturas (2.9 mi. n. of junction to Cedarville (Rt. 299)) 1402 Comment
  UC1587086  Lomatium bicolor var. leptocarpum G. Schoolcraft 1991-6-18 2165 Modoc ca. 4 mi. n.e. Adin (w. of Hwy. 299) 1304 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
  UC748468  Lomatium bicolor var. leptocarpum Annie M. Alexander and Louise Kellogg 1946-6-26 4839 Modoc n. end Warner Mts., Dismal Swamp 2255 Comment
  UC875051  Lomatium dissectum Lewis S. Rose 1940-6-12 40529 Modoc E of Likely (Jess Valley) 1767 Comment
  CAS-BOT-BC30166  Lomatium dissectum var. multifidum John Thomas Howell 1934-6-13 12072 Modoc Fandango Pass. 1828 Comment
  CAS-BOT-BC497342  Lomatium grayi G. Schoolcraft 1999-7-13 2866 Modoc Warner Mts. N of Stowe Reservoir 1981 Comment
  UC1608977  Lomatium hendersonii B. Bartholomew with M. Gilbert and L. Skog 1993-5-13 6533 Modoc just w. Mud Lake (on rd. to West Valley Reservoir) 1460 Comment
Read comments
Jul 17 2014
  CAS-BOT-BC30141  Lomatium macrocarpum Mrs. H. C. Cantelow 1940-6-1 4509 Modoc 10 mi. E of Alturas. Comment
  CAS-BOT-BC30146  Lomatium macrocarpum Isabel T. Kelly 1930-1-1 21 Modoc Cowhead Lake. Comment
  SEINET8688201  Lomatium macrocarpum E. K. Balls 1950-5-13 14670 Modoc 0.2 miles south of Oregon- California State line, west shore Goose Lake 1463 Comment
  SEINET229583  Lomatium marginatum Gary Schoolcraft 1981-6-6 378 Modoc Ne of Alturas California 1524 Comment
  UC106254  Lomatium nevadense var. nevadense Mrs. R. M. Austin May 1884 87 Modoc Goose Lake Valley Comment
  HSC21547  Lomatium nevadense var. nevadense M. T. Milligan 1966-5-14 609 Modoc Plateau W of Jess Valley 1829 Comment
  UC748356  Lomatium nevadense var. parishii Annie M. Alexander 1946-6-8 4703 Modoc rd. from Eagleville to Patterson Mill (near 3 miles Ranger Station sign) 2225 Comment
  CAS-BOT-BC15773  Lomatium nudicaule Bruce Bartholomew; M; M. Gilbert; L. E. Skog 1993-5-10 6443 Modoc Just NE of Davis Creek Cemetery, 1.3 km E of Davis Creek. 1500 Comment
  RSA59723  Lomatium nudicaule E. K. Balls 1950-5-18 14751 Modoc N of Upper Rush Creek Public Camp; 2.5 mi. east from Hwy. 299 1738 Comment
  RSA452582  Lomatium nudicaule Christopher Davidson 1973-5-26 2138 Modoc Highway 299 N of Adin Summit 1524 Comment
  CAS-BOT-BC21426  Lomatium triternatum var. triternatum Alice Eastwood; John Thomas Howell 1940-6-12 8087 Modoc Jess Valley. Comment
  CAS-BOT-BC21393  Lomatium vaginatum Bruce Bartholomew; Barrett Anderson 1988-6-25 4385 Modoc 5.6 km NW of State Highway 299 on County Road 73. 1500 Comment
  CAS-BOT-BC95170  Lonicera interrupta Fred. P. Cronemiller 1920-7-1 20 Modoc Bieber Range. 1524 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-BC181958  Lotus denticulatus Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-13 16475 Modoc Roadside 2.4 mi. S of Davis Creek. Comment
  UC15565  Lotus denticulatus M. S. Baker and Frank Nutting 1894-6-8 Modoc near Egg Lake Comment
  CAS-BOT-BC181951  Lotus nevadensis var. nevadensis Bruce Bartholomew 1991-7-6 5983 Modoc W side of Egg Lake between lava beds. 1300 Comment
  CHSC106331  Lotus purshianus var. purshianus Lowell Ahart; John Dittes 2010-8-30 17068 Modoc About 5 yards east of fence, south edge of the meadow, Ash Creek State Wildlife Area, 2300 feet north of Lassen County line, 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  RSA210839  Lotus unifoliolatus Robert F. Thorne, James Henrickson, C. W. Tilforth, K. Thorne 1969-9-4 39066 Modoc Near old margin of Goose Lake, SW shore of Goose Lake N of McGinty Point. 1433 Comment
  RSA27896  Lotus unifoliolatus R. M. Austin 1895-06 298 Modoc Goose Lake Valley. Comment
  RSA582627  Lotus unifoliolatus Louis C. Wheeler 1935-9-23 4005 Modoc Pease Flat, Devils Garden. 1524 Comment
  CAS-BOT-BC181930  Lupinus Bruce Bartholomew; Barrett Anderson 1988-6-24 4348 Modoc South Barber Creek, 6.3 km SW of County Road 1 on County Road 42, E side of the Warner Mts.. 1790 Comment
  RSA624905  Lupinus Jeffrey Huber 1971-6-3 87 Modoc 5 mi. S. of Canby on Calif. Hwy. 299. Comment
  CAS-BOT-BC498680  Lupinus arbustus Mrs. H. C. Cantelow 1941-5-22 s.n. Modoc 2 mi E of Adin Summit (elevation at summit = 5173 ft) Comment
  RSA0025584  Lupinus arbustus John F. Emmel 1996-7-15 1434 Modoc Warner Mtns; ridge 1.1-1.5 air mi south and 0.3-0.5 air mi west of Emerson Peak. 2409 Comment
  POM298384  Lupinus arbustus subsp. calcaratus H. C. Cantelow 1940-6-1 s.n. Modoc Cedar Pass, Warner Mountains, east of Alturas. Comment
  NY732853  Lupinus arbustus subsp. calcaratus R. M. Austin 06 1898 2146 Modoc Comment
  UC1129537  Lupinus arbustus var. arbustus R. C. Wilson 1933-5-30 34 Modoc Rush Creek 1432 Comment
  CAS-BOT-BC182190  Lupinus argenteus Annie Montague Alexander; L. Kellogg 1946-7-7 4917 Modoc Cedarville. Comment
  LA205001  Lupinus argenteus Mrs. H. P. Bracelin; 1931-6-30 500 Modoc S end of Alturas 1523 Comment
  UC624911  Lupinus argenteus Fred H. Schumacher 1934-9-5 Modoc Canby Comment
  NY733047  Lupinus argenteus var. argenteus N. F. Bracelin 1931-6-30 500 Modoc Alturas. Open field at south end of town 1524 Comment
  RSA78893  Lupinus argenteus var. argenteus E. K. Balls, Percy C. Everett 1952-10-11 18159 Modoc 5.2 miles northwest of junction of Highway 299 and 139, west of Alturas. 1524 Comment
  CAS-BOT-BC182087  Lupinus argenteus var. heteranthus C. P. Smith 1947-6-13 47455 Modoc Highway 395, Davis Creek (town), 6.4 mi. S. Comment
  CAS-BOT-BC182092  Lupinus argenteus var. heteranthus John Thomas Howell 1934-6-14 12181 Modoc Near North Fork of Baxter Creek, Warner Mts. 1524 Comment
  CAS-BOT-BC182099  Lupinus argenteus var. heteranthus R. M. Austin 1884-7-1 121 Modoc Hills 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-BC182125  Lupinus argenteus var. heteranthus M. Vasey 1990-6-29 9024 Modoc Cottonwood Flat off County Road 84 between Canby and Happy Camp, Modoc National Forest 1500 Comment
  CHSC107352  Lupinus argenteus var. heteranthus Lowell Ahart; John Dittes 2011-6-22 17556 Modoc About 50 yards east of the road, about 100 yards northeast of the Pilot Butte Parking Lot, north edge of Ash Creek Floodplain, 1.1 miles (air) south of County road 87, 7.7 miles (air) west of Adin, 10 miles (air) east of Lookout, Big Valley. 1264 Comment
  JEPS65007  Lupinus argenteus var. heteranthus Frances D. Payne 1931-6-20 206 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  JEPS65015  Lupinus argenteus var. heteranthus Leland S. Smith 1918-6-20 974 Modoc Lily Lake Warner Mts., Pine Creek (Lily Lake) (Pine Creek) 1981 Comment
  NY736938  Lupinus argenteus var. heteranthus Mrs. C. C. Bruce 08 1897 2147 Modoc Lakeshore Comment
  NY736940  Lupinus argenteus var. heteranthus L. C. Wheeler 1935-8-7 3805 Modoc Pine Creek, Warner Mountains 1554 Comment
  SEINET10970215  Lupinus argenteus var. tenellus David B. Dunn 1954-9-3 Dunn 11808 Modoc Just N of Timber Mountain turnoff along Hwy 139. Comment
  SEINET5328128  Lupinus brevicaulis M. J. Williams, Arnold Tiehm, Jan Nachlinger 1988-6-2 88- 28 -3 Modoc Jess Valley, E of Likely, S of roadside rest Comment
  SEINET10485028  Lupinus burkei David B. Dunn, Billy Joe Cox; Lewis S. Fleak 1970-6-8 Dunn 16946 Modoc 1 mi. N of davis creek on us hwy 395. On road cut in grassland. Comment
  RSA163773  Lupinus caudatus Clare B. Hardham 1961-6-19 7837 Modoc Davis creek. 1677 Comment
  CAS-BOT-BC181871  Lupinus lepidus var. lobbii Robert Patterson; Mona Bourell 1993-8-15 5276 Modoc Warner Mountains. Along trail from Patterson Lake to ca. 2 mi north towards Pepperdine Trailhead. 2743 Comment
  CAS-BOT-BC181878  Lupinus lepidus var. lobbii Annie Montague Alexander; L. Kellogg 1946-8-9 5133 Modoc Patterson Lake Trail, Warner Mts. Comment
  NY747264  Lupinus lepidus var. lobbii B. M. Bartholomew 1990-8-4 5645 Modoc Top of pass on Summit Trail, ca. 0.5 km southeast of Patterson Lake, east side of Warner Mountains 2800 Comment
  CAS-BOT-BC181867  Lupinus lepidus var. sellulus Bruce Bartholomew 1991-6-23 5869 Modoc W side of Ingall Swamp, Devil's Garden. 1510 Comment
  CAS-BOT-BC181855  Lupinus leucophyllus Bruce Bartholomew 1994-7-4 6846 Modoc Coffee Mill Gully. 1430 Comment
  CAS-BOT-BC181856  Lupinus leucophyllus Milo Samuel Baker; Franklin P. Nutting 1894-6-8 Modoc Lava near Egg Lake. Comment
  NY747431  Lupinus microcarpus B. M. Bartholomew 1989-6-2 4784 Modoc Long Canyon, 12 km northeast of Fort Bidwell on the road to the Oregon border 1550 Comment
  NY747434  Lupinus microcarpus H. D. D. Ripley 1944-5-31 5988 Modoc Northwest of Alturas 1372 Comment
  NY747436  Lupinus microcarpus A. A. Heller 1941-6-25 16197 Modoc On the Cedarville road a short distance east of the junction with U. S. Highway #395 Comment
  CAS-BOT-BC181829  Lupinus microcarpus var. microcarpus Elmer Ivan Applegate 1898-5-31 879 Modoc Near Cornell, Tule Lake. Comment
  JEPS15478  Lupinus microcarpus var. microcarpus Joseph and Hilda W. Grinnell 1938-6-16 1114 a Modoc 6 mi s Fort Bidwell; s of Fort Bidwell 1463 Comment
  RSA59713  Lupinus polycarpus E. K. Balls 1950-5-18 14763 Modoc Lower Rush Creek Public Camp, off Hwy. 299, 8 mi. N. of Adin. 1311 Comment
  RSA59534  Lupinus ruber E. K. Balls 1950-5-20 14805 Modoc 3.3 mi. above S. Fk. Public Camp, S. Fork Pit River, on way to Jess Valley. 1463 Comment
  CAS-BOT-BC181809  Lupinus saxosus Bruce Bartholomew; Barrett Anderson 1988-5-14 4194 Modoc 1.3 km S of turn off to Crowder Flats West Side Road, W side of Goose Lake. 1410 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
  CAS-BOT-BC181817  Lupinus saxosus Bruce Bartholomew; Barrett Anderson 1989-4-28 4645 Modoc 8.8 km N of State Highway 299 on road to Raker & Thomas Reservoir. 1470 Comment
  CAS-BOT-BC181822  Lupinus saxosus Bruce Bartholomew; Barrett Anderson 1988-5-13 4149 Modoc Along Parker Creek Road, at the border of Modoc National Forest and ca. 16 km WSW of Alturas, side of the Warn 1580 Comment
  UC1036056  Luzula comosa var. laxa Annie M. Alexander and Louise Kellogg 1946-7-2 4896 Modoc Dismal Swamp north end Warner Mts 2255 Comment
  RSA29709  Lycium barbarum Louis C. Wheeler 1935-10-10 4033 Modoc Alturas. 1357 Comment
  CAS-BOT-BC179872  Lycopus asper Herbert Louis Mason 1947-8-11 13490 Modoc Hwy 81, W margin of Lower Lake, near boundary between Lasson and Modoc counties. Comment
  SBBG128274  Lythrum tribracteatum L. Ahart, J. Dittes 2010-8-30 17055 Modoc N side of small wash, ca. 10 yards W of the fence, S edge of the meadow, Ash Crk State Wildlife Area, 2300 feet N of Lassen County Line, ca. 3.6 mi W of Adin, ca. 8.0 mi NE of Bieber, Big Valley 1267 Comment
  CAS-BOT-BC49474  Madia citriodora John Thomas Howell 1934-6-11 11923 Modoc Parker Creek, Warner Mountains 1584 Comment
  POM204104  Madia citriodora J. T. Howell 1934-6-11 11923 Modoc Parker Creek, Warner Mts. 1585 Comment
  RSA504642  Madia citriodora Bruce Bartholomew, B. Anderson 1988-6-23 4242 Modoc 4.2 kim NW of Day. 1020 Comment
  UCR57896  Madia elegans R. D. Goeden, Don W. Ricker 1989-8-24 30 Modoc Modoc National Forest, Bushey Road, west of Canby, near Pit River 1271 Comment
  RSA149123  Madia elegans subsp. vernalis I. L. Wiggins, Dorothy Wiggins 1961-6-16 16526 Modoc 4.6 miles north of Adin Comment
  CAS-BOT-BC49441  Madia exigua R. M. Austin 1894-8-1 Modoc Sugar Loaf Hill. Comment
  CAS-BOT-BC49446  Madia glomerata Louis Cutter Wheeler 1935-8-27 3923 Modoc 1 mi. E of South Mountain, Devil's Garden. 1524 Comment
  HSC5977  Madia gracilis M. T. Milligan 1965-6-30 401 Modoc Slopes and ridges E of Jess Valley 1768 Comment
  UC33203  Madia gracilis Mrs. R. M. Austin August 1894 Modoc Goose Lake Valley Comment
  UC711828  Madia gracilis Roxana S. Ferris and Laura Lorraine 1941-8-13 10525 Modoc e Creek drainage Patterson Ranger Station; Modoc National Forest, Warner Mountains 2164 Comment
  UC748165  Madia gracilis Annie M. Alexander and Louise Kellogg 1946-7-12 4980 Modoc ne corner of county Twelve Mile Creek Comment
  RSA504612  Madia gracilis subsp. gracilis Bruce Bartholomew, B. Anderson 1988-7-21 4414 Modoc Whitehorse Mountains, 11 km N of Day on the road to Whitehorse Flat Reservoir. 1340 Comment
  RSA452628  Mahonia repens H. E. McMinn 1931-5-23 2445 Modoc Fandango Pass, Warner Mts. Comment
  CAS-BOT-BC242030  Maianthemum racemosum E. S. Willits 1940-5-6 219 Modoc Near Lassen Creek, Willow Ranch. Comment
  CAS-BOT-BC242174  Maianthemum racemosum K. Paulson 1988-6-19 45 Modoc Cedar Springs area. 1539 Comment
  CAS-BOT-BC242166  Maianthemum stellatum Francis Dorris Payne 1931-6-20 201 Modoc Parker Creek. Comment
  CDA4989  Malva neglecta T. C. Fuller 1958-7-8 1975 Modoc Corporation Ranch, Likely. 0 Comment
  POM228963  Marsilea oligospora L. C. Wheeler 1935-9-18 3993 Modoc Everly Reservoir, Devil s Garden. 1524 Comment
  CHSC117494  Matricaria discoidea Lowell Ahart; John Dittes 2016-7-14 21155 Modoc Wesst side of a new pond, south of Ash Creek Canal (now filled in), south of Ash Creek, Ash Creek State Wildlife Area, 0.79 miles (air) west of Adin, Big Valley. 1273 Comment
  HSC6019  Matricaria discoidea M. T. Milligan 1965-6-23 295 Modoc N end Jess Valley 1616 Comment
  CAS-BOT-BC247626  Melica bulbosa John H. Hatton 1911-6-9 5 Modoc unspecified Comment
  HSC1666  Melica bulbosa M. T. Milligan 1965-7-1 412 Modoc Plateau W of Jess Valley. 1829 Comment
  UCD87266  Melica fugax Beecher Crampton; Carl Rimbey 1954-7-7 2139 Modoc West side of Cedar Pass, Warner Mountains. 1889 Comment
  UC1137125  Melica subulata August L. Hormay 1932-7-17 Modoc Lily Lake Comment
  UCD88679  Melica subulata L. D. Whitney 1935-7-13 s.n. Modoc Cottonwood flat. Comment
  UCD108086  Melilotus indicus Robbins and Raynor 1943-6-1 s.n. Modoc Near Alturas. Comment
  HSC15027  Melilotus officinalis R. C. Wunner 1965-6-13 170 Modoc Lava Beds National Monument, Indian Well Headquaters, SE side of headquaters. 1454 Comment
  CAS-BOT-BC179860  Mentha arvensis Bruce Bartholomew 1990-8-3 5601 Modoc Ash Creek Wildlife Refuge, ca. 2.5 km S of County Road 87 and 7 km W of Adin. 1250 Comment
  JEPS124363  Mentha arvensis Lowell Ahart, John Dittes 2015-7-16 20359 Modoc Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. Comment
  RSA252483  Mentha canadensis Robert F. Thorne, C. W. Tilforth 1969-9-5 39184 Modoc Pine Creek where it is crossed by Hwy 395, 3.4 miles S of Alturas. 1341 Comment
  CAS-BOT-BC179136  Mentzelia dispersa Bruce Bartholomew 1989-7-15 4999 Modoc Sweagert Flat. 1860 Comment
  CAS-BOT-BC179140  Mentzelia dispersa Alice Eastwood; John Thomas Howell 1940-6-12 8056 Modoc Between Likely and Jess Valley. Comment
  CAS-BOT-BC179119  Mentzelia montana Bruce Bartholomew; Barrett Anderson 1989-6-2 4822 Modoc Sand dunes at the SE corder of Upper Alkali Lake, E side of Surprise Valley. 1400 Comment
  CAS-BOT-BC179123  Mentzelia montana Annie Montague Alexander; L. Kellogg 1946-7-7 4946 Modoc Eight Mile Creek. 1752 Comment
  UC1121668  Mentzelia montana M. H. Mitchell 1936-5-21 47 Modoc 2 mi SE Hospital Rock; Modoc Lava Beds Natl. Mon., Dorris Quadrangle 1249 Comment
  CAS-BOT-BC54044  Mertensia ciliata Bruce Bartholomew 1995-6-23 6997 Modoc 2.4 km N of Forest Road 30 on road from Hall Meadow to Plume Valley Camp Ground. 1770 Comment
  UCR165707  Mertensia cusickii David A. Charlet 1989-8-16 542 Modoc Warner Mountains. 11 km NW of Eagle Peak, Rock Spring 2015 Comment
  HSC28522  Mertensia oblongifolia D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-22 19323 Modoc Soup Springs Campground Comment
  HSC80937  Mertensia oblongifolia G. M. Riegel 1980-7-31 980 Modoc S Warner Mtns. 2100 Comment
  RSA182939  Mertensia oblongifolia Clare B. Hardham 1961-6-18 7585 -c Modoc Cedar Pass. 1829 Comment
  CAS-BOT-BC54010  Mertensia oblongifolia var. amoena Francis Dorris Payne 1929-7-7 57 Modoc Pine creek Basin. 2316 Comment
  RSA531357  Mertensia oblongifolia var. amoena Bruce Bartholomew, Anderson 1989-6-2 4794 Modoc Surprise Valley Road, just S of the Oregon border, extreme NE corner of Modoc County. 1630 Comment
  RSA59969  Mertensia oblongifolia var. nevadensis E. K. Balls 1950-5-13 14684 Modoc West shore of Goose Lake, 0.5 mile south of Oregon-California State line 1463 Comment
  CAS-BOT-BC58777  Mertensia oblongifolia var. oblongifolia Bruce Bartholomew 1992-5-15 6301 Modoc Tamarack Flat, E side of the Warner Mountains. 2160 Comment
  SEINET3152691  Mertensia sibirica Mrs. M. H. Manning 1903-4-1 83 Modoc Near Fort Bidwell; N-eastern part of county Comment
  CAS-BOT-BC225968  Micranthes oregana Bruce Bartholomew; Barrett Anderson 1988-6-24 4367 Modoc Vicinity of Patterson Campground, southern end of the Warner Mts.. 2190 Comment
  CAS-BOT-BC49357  Microseris nutans Francis Dorris Payne 1932-6-26 609 Modoc Parker Creek. 1584 Comment
  CAS-BOT-BC49393  Microseris nutans Bruce Bartholomew; Mona Bourell 1990-4-28 5208 Modoc 4.3 km SE of Rush Creek on road to Hunters Ridge. 1550 Comment
  POM203847  Microseris nutans J. T. Howell 1934-6-13 12051 Modoc Fandango Pass, Warner Mountains. 1829 Comment
  CAS-BOT-BC197905  Microsteris gracilis Bruce Bartholomew 1990-6-15 5242 Modoc Top of Manzanita Mountain in vicinity of Manzanita Lookout. 2130 Comment
  CAS-BOT-BC197906  Microsteris gracilis Alice Eastwood; John Thomas Howell 1940-6-14 8246 Modoc Between Mammoth Cave and Lava Beds Nat. Mon. Comment
  CHSC85182  Microsteris gracilis John Dittes; Josephine Guardino 1991-6-1 356 Modoc Modoc Plateau; Big Valley; Ash Creek Wildlife Area; ca. 7.7 air-miles northeast of Bieber, ca. 4.0 air-miles west by southwest of Adin, ca. 5.0 air-mile east by southeast of Pilot Butte summit, ca. 0.6 mile east of Walters Road and Owl Barn; meadow at southern edge of Ash Creek Floodplain. 1271 Comment
  HSC17122  Microsteris gracilis M. T. Milligan 1965-6-26 324 Modoc N end Jess Valley. 1616 Comment
  POM204118  Microsteris gracilis subsp. gracilis J. T. Howell 1934-6-14 12133 Modoc Near Lost Lake, Warner Mts. 2439 Comment
  RSA488027  Microsteris gracilis subsp. gracilis Bruce Bartholomew, B. Anderson 1988-5-12 4094 Modoc White Horse 1340 Comment
  CDA41657  Mimulus breviflorus S. E. Schoenig 1998-7-5 98 -68 Modoc West of railroad tracks, 1 mile north of Sagehen Summit, 20 meters east of Highway 395. Comment
  RSA185361B  Mimulus breweri Clare B. Hardham 1961-6-17 7514 Modoc Cedar Pass Camp Ground, Warner Mountains. Comment
  UC1586882  Mimulus cusickii Juha Pykala and D. H. Norris 1987-5-27 1040 Modoc between Lower Rush Creek Campground and Upper Rush Creek Campground; Modoc National Forest 1500 Comment
  HSC20733  Mimulus guttatus M. T. Milligan 1964-6-25 90 Modoc Upper Lassen Creek 1829 Comment
  HSC26578  Mimulus guttatus D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19484 Modoc Upper Rush Creek Campground, about 8 mi. N of Adin on Hwy. 299 Comment
  JEPS11393  Mimulus guttatus W. L. Jepson 1918-8-7 7853 Modoc Mt. Bidwell Warner Mts. 1798 Comment
  HSC26592  Mimulus latidens D. H. Norris, T. Nelson, S. Dowty 1971-6-23 19521 Modoc Big Valley Summit, 6 mi. W of Adin on Hwy. 299 Comment
  UC27044  Mimulus lewisii Mrs. R. M. Austin Sept. 1894 Modoc Cedarville Canyon Comment
  UC748139  Mimulus lewisii Annie M. Alexander and Louise Kellogg 1946-6-22 4816 Modoc Bidwell Creek Warner Mountains Comment
  RSA165594  Mimulus nanus var. nanus Clare B. Hardham 1961-6-19 7841 Modoc Willow Creek. Warner Mountains. 1677 Comment
  UCSB48316  Mimulus nanus var. nanus Hardham, Clare 1961-6-19 Modoc Willow Creek 1676 Comment
  UCSB23723  Mimulus nanus var. nanus Hardham, Clare 1961-6-19 Modoc Cogswell Creek; Warner Mountains 1524 Comment
  UC445162  Mimulus tricolor M. S. Baker and Franklin P. Nutting 1894-6-7 Modoc near Egg Lake 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
  LA62591  Monardella odoratissima Louis C. Wheeler; 1935-8-14 3841 Modoc Warner Mountains, Pine Creek 2011 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-BC179375  Monardella odoratissima subsp. glauca Francis Marion Ownbey 1940-7-1 2150 Modoc Cedar Peak. 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
  CAS-BOT-BC222000  Monardella odoratissima subsp. glauca Clare B. Hardham 1975-8-1 20585 Modoc Rimrock west of Lake City 2438 Comment
  CAS-BOT-BC179358  Monardella odoratissima subsp. pallida Belknap C. Goldsmith 1912-7-1 58 Modoc Little Hot Spring Valley. 1219 Comment
  CAS-BOT-BC95544  Monolepis nuttalliana Elmer Ivan Applegate 1897-5-7 845 Modoc Clear Lake. Comment
  CHSC67101  Monolepis nuttalliana James D. Jokerst 1987-6-24 2939 Modoc NE of Doublehead Mtn., ca. 2.0 mi WSW of Red Lake. Comment
  UC1191419  Monolepis nuttalliana Herbert L. Mason and Verne Grant 1947-7-10 13339 Modoc 2 mi. e. Alturas (Dorris Reservoir); Dorris Reservoir Comment
  CAS-BOT-BC197518  Montia chamissoi Bruce Bartholomew 1991-7-7 6006 Modoc Pot Hole Spring. 1890 Comment
  CAS-BOT-BC197520  Montia chamissoi E. S. Willits 1940-5-17 265 Modoc Willow Ranch. Comment
  SJSU9616  Montia chamissoi Wayne Savage 1979-7-6 1406 Modoc Triangle, Antelopes Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  CAS-BOT-BC197511  Montia fontana Bruce Bartholomew; Barrett Anderson 1989-6-2 4845 Modoc Vicinity of Stough Reservoir, Warner Mountains. 1950 Comment
  RSA520346  Montia fontana Bruce Bartholomew, B. Anderson 1989-6-2 4845 Modoc Vicinity of Stough Reservoir, Warner Mtns. 1950 Comment
  CAS-BOT-BC197543  Montia linearis Bruce Bartholomew; Barrett Anderson 1988-5-12 4104 Modoc White Horse. 1340 Comment
  CAS-BOT-BC197547  Montia linearis R. M. Austin 1894-5-1 s.n. Modoc Goose Lake Valley. Comment
  NY497771  Montia linearis B. M. Bartholomew 1989-4-27 4614 Modoc 2.1 km south-southeast of Day on road to State Highway 299 1020 Comment
  RSA60363  Montia linearis E. K. Balls 1950-5-10 15957 Modoc Hwy 395, 0.5 mile before jct, 5.5 miles NE of Alturas. 1524 Comment
  SEINET4925043  Montia linearis K. L. Chambers, P. Dorris 1963-5-4 2019 Modoc Hwy. 139, ca. 20 mi. s. of Tulelake Comment
  RSA602594  Muhlenbergia asperifolia L. C. Wheeler 1935-9-4 3948 Modoc Goose Lake: McGinty Point. 1463 Comment
  SBBG117349  Muhlenbergia asperifolia B. Crampton 1954-7-8 2187 Modoc ca. 1.5 mi W of Alturas, extension of 4th St Comment
  CDA13449  Muhlenbergia richardsonis G. F. Hrusa, T. D. Wilfred 1996-7-21 13296 Modoc Modoc Plateau; Densely tufted plant in formerly moist, open sites about the Modoc Co. Rd. 90 bridge over Pit River. E base of Splawn Mtn. N end of Big Valley. Comment
  UC1025030  Muhlenbergia richardsonis Leo Whitney 1935-7-19 3539 Modoc ca 15 mi nw Canby; Modoc National Forest, Lake Joaquina, Hackamore 1463 Comment
  SEINET8400744  Munroa squarrosa Richard R. Halse 2006-8-3 6988 Modoc Along Jess Valley Road ca. 4 miles east of Likely, just past bridge over the Pit River. 1387 Comment
  OBI48062  Myosurus apetalus var. borealis Rhonda Riggins 1989-4-28 1671 Modoc 6.9 mi N of hwy 395 E of Alturas on rd to Raker and Thomas Reservoir (continuation of Pencil Rd) 1524 Comment
  POM319215  Myosurus aristatus Patricia Wilder 1971-6-20 5071 Modoc North part of Egg Lake (now a meadow), northwest of Lookout; north of Bieber and California State Highway 299; Modoc National Forest. Cascades Mt. Range. 1372 Comment
  CAS-BOT-BC217292  Myosurus minimus Bruce Bartholomew; Barrett Anderson 1989-6-3 4909 Modoc ca. 6 km NW of Egg Lake and ca. 0.8 km E of Service Flat Gulch. 1370 Comment
  SJSU9632  Myosurus minimus W. Savage 1979-7-7 1451 Modoc Triangle, W side Fairchild Swamp Unit, Modoc National Forest 1493 Comment
  UC1536811  Myriophyllum sibiricum Gordon H. True Jr 1939-7-21 1021 Modoc Jack Swamp, N of Canby. Comment
  CDA37257  Myriophyllum spicatum B. Villegas 2008-7-24 s.n. Modoc Alturas; Modoc National Wildlife Refuge; Dorris Canal. 0 Comment
  CAS-BOT-BC198009  Navarretia breweri Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10564 Modoc E Creek about 1 mile E of Patterson Ranger Station, Warner Mts. Comment
  CAS-BOT-BC198017  Navarretia breweri Beecher Crampton 1954-7-7 2144 Modoc W side of Cedar Pass, Warner Mts. 1889 Comment
  CAS-BOT-BC198022  Navarretia breweri Bruce Bartholomew 1990-6-18 5384 Modoc Turner Creek at County Rd 90, N end of Big Valley, 6.4 km N of Lassen County border. 1230 Comment
  RSA165590B  Navarretia breweri Clare B. Hardham 1961-6-19 7840 Modoc Willow Creek. Warner Mountains. Comment
  SBBG6031  Navarretia breweri H. and M. Dearing 1939-6-7 3586 Modoc near Cedar Pass, E of Alturas 1676 Comment
  UC23411  Navarretia breweri M. S. Baker and Frank Nutting 1894-6-29 Modoc Big Valley Comment
  RSA520380  Navarretia breweri Bruce Bartholomew, B. Anderson 1989-6-1 4761 Modoc S end of Goose Lake. 1460 Comment
  UC726849  Navarretia breweri A. A. Heller 1941-6-25 16209 Modoc nw of Alturas (plateau s of Big Sage Reservoir) Comment
  UC908366  Navarretia divaricata Louis C. Wheeler 1935-8-2 3747 Modoc Twelve-Mile Creek Warner Mts. 2286 Comment
  CAS-BOT-BC198002  Navarretia divaricata subsp. vividior Alice Eastwood; John Thomas Howell 1940-6-13 8136 Modoc W side of Fandango Pass. Comment
  CAS-BOT-BC197990  Navarretia intertexta subsp. intertexta Barrett Anderson 1986-7-9 3133 Modoc Roney Flat Rd just off Hwy 299. 1435 Comment
  JEPS126546  Navarretia intertexta subsp. intertexta Lowell Ahart, John Dittes 2016-6-6 20954 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
  CAS-BOT-BC197981  Navarretia intertexta subsp. propinqua Alice Eastwood; John Thomas Howell 1940-6-13 8131 Modoc W side of Fandango Pass. Comment
  CAS-BOT-BC197988  Navarretia intertexta subsp. propinqua Bruce Bartholomew 1990-6-18 5383 Modoc Turner Creek at County Rd 90, N end of Big Valley, 6.4 km N of Lassen County border. 1230 Comment
  UC1106905  Navarretia intertexta subsp. propinqua Herbert L. Mason 1947-7-10 13331 Modoc 2 air mi e Alturas; Dorris Reservoir Comment
  UC711866  Navarretia intertexta subsp. propinqua Roxana S. Ferris and Laura Lorraine 1941-8-14 10604 Modoc 8.5 mi from Patterson Ranger Station (on Eagleville road); Warner Mountains, Modoc National Forest Comment
  POM98593  Navarretia intertexta subsp. propinqua F. W. Peirson 1926-6-25 6868 Modoc Cedarville Road, Warner Mountains. Comment
  CAS-BOT-BC197959  Navarretia leucocephala subsp. minima K. Paulson; Robert Paulson 1989-7-2 158 Modoc Vicinity of Craig Spring, ca. 2 mi. NE of Happy Camp. 1447 Comment
  SEINET200216  Navarretia minima C. McMillan 1949-6-16 1538 Modoc 3 miles S of Crowder Flat, 35 miles N Canby. Comment
  UCD37473  Navarretia modocensis Beecher Crampton 1960-6-17 5696 Modoc Modoc County, 13 miles west of Canby, 2.5 miles northeast of Happy Camp Station, McKay Flat. 1280 Comment
  UC1587040  Navarretia sinistra G. Schoolcraft 1991-7-25 2189 Modoc about 2 mi w Canby; w of Canby 1463 Comment
  POM260426  Nemophila breviflora C. L. Hitchcock 1940-5-27 6661 Modoc 12 miles NE of Alturas. 1616 Comment
  CAS-BOT-BC179296  Nemophila parviflora var. austiniae John Thomas Howell 1934-6-12 12026 Modoc Plum Valley. Comment
  POM175555B  Nemophila parviflora var. austiniae F. W. Peirson 1926-6-25 6896 Modoc Small side canyon 1 mile east of summit of Warner Mountains on Cedarville Road. Comment
  CAS-BOT-BC179295  Nemophila pedunculata Alice Eastwood; John Thomas Howell 1940-6-13 8193 Modoc W side of Cedar Pass. Comment
  UC65048  Nemophila pedunculata Milo S. Baker 1893-1 Modoc Forestdale Comment
  UC24291  Nemophila pedunculata Milo S. Baker 1893-6-18 Modoc Comment
  UC726196  Neoholmgrenia andina A. A. Heller 1941-6-25 16198 Modoc on the Cedarville rd a short distance e junction with U.S. Highway 395 Comment
  CHSC66993  Nestotus stenophyllus James D. Jokerst 1987-5-13 2860 Modoc Radar Survey Site S of Doublehead Mtn., S of Clear Lake Reservoir, S end of northern sector. 1371 Comment
  JEPS117369  Nicotiana attenuata Lowell Ahart, John Dittes 2010-8-30 17081 Modoc Parking Area west of the old barn, on the west side of Elkins Lane, Ash Creek State Wildlife area, 320 feet north of Lassen County Line, about 4.4 miles (air) west of Adin, about 7.2 miles (air) northeast of Bieber, Big Valley 1266 Comment
  CAS-BOT-BC49367  Nothocalais troximoides Bruce Bartholomew 1991-5-25 5768 Modoc 4.3 km S of Likely-Jess Valley Rd. on road to West Valley Reservoir. 1540 Comment
  CHSC101018  Nothocalais troximoides John Dittes 2008-5-21 1520 Modoc Modoc Plateau; Big Valley; ca. 1.7 air miles south of Lookout, ca. 1.1 air miles west of County Road 91; floodplain terrace of Pit River. 1259 Comment
  CAS-BOT-BC191144  Nuphar lutea subsp. polysepala Bruce Bartholomew; Barrett Anderson 1988-6-24 4330 Modoc Lily Lake, W side of the Warner Mts.. 2130 Comment
  RSA520343  Oenothera deltoides subsp. piperi Bruce Bartholomew, B. Anderson 1989-6-2 4836 Modoc 6.4 km E of Eagleville on the road to the California state border, E side of Surprise Valley. 1550 Comment
  CAS-BOT-BC190805  Oenothera elata subsp. hirsutissima Bruce Bartholomew 1991-10-13 6127 Modoc Ca. 1.5 km SE of Adin on County Road 88. 1240 Comment
  JEPS43964  Oenothera elata subsp. hirsutissima W. L. Jepson 1918-8-6 7846 Modoc fields and summit Surprise Valley 1447 Comment
  NY998815  Oenothera flava A. A. Heller 1941-6-26 16210 Modoc Five miles west of Alturas along U.S. Highway #299 Comment
  JEPS31525  Oenothera flava subsp. flava L. S. Smith 1920-6-14 Modoc Bieber Range Comment
  CAS-BOT-BC245094  Olsynium douglasii var. douglasii R. L. Ward 1976-5-18 s.n. Modoc unspecified 1508 Comment
  CHSC99948  Onopordum acanthium Lowell Ahart; John Dittes 2008-8-25 15275 Modoc On the west 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
  UCD134664  Onopordum acanthium T. C. Fuller 1959-7-8 2795 Modoc south side of 4th Street, east of East Street, Alturas. Comment
  CHSC112843  Onopordum acanthium subsp. acanthium Lowell Ahart; John Dittes 2013-7-24 18945 Modoc South high bank of Ash Creek Canal, south of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. 1272 Comment
  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
  HSC29981  Orobanche uniflora D. H. Norris, T. Nelson, S. Dowty 1971-6-23 19462 Modoc On hillside above the Rush Creek Campground ca. 8 mi. N of Adin. Comment
  UC1586960  Orobanche uniflora subsp. occidentalis Juha Pykala and D. H. Norris 1987-5-28 1275 Modoc Modoc National Forest, Warner Mountains, ca. 3-4 miles W of Lake City, Lake City Canyon. Comment
  UC35319  Orobanche uniflora subsp. occidentalis M. S. Baker and Frank Nutting 1894-6-8 Modoc Near Egg Lake. Comment
  UC136735  Orobanche uniflora subsp. occidentalis Mrs. R. M. Austin May 1894 85 Modoc Ewing Creek. Comment
  UC412736  Orthilia secunda Franklin P. Nutting Modoc Forestdale Comment
  RSA165574  Orthocarpus attenuatus Clare B. Hardham 1961-6-18 7804 Modoc Lava flows, north fork Pitt R. 3.3 miles SW Cedar Pass Rd. 1372 Comment
  HSC20545  Orthocarpus cuspidatus subsp. cryptanthus M. T. Milligan 1964-7-25 172 Modoc Pine Creek Basin, along trail. 2439 Comment
  JEPS120506  Orthocarpus cuspidatus subsp. cryptanthus B. Castro and L. P. Janeway 2012-7-24 1954 Modoc Warner Mountains. Northwestern flank of Mount Bidwell; ca 0.6 air mi s of Dismal Swamp, off upper edge of open lodgepole pine forest. Comment
  UC71735  Orthocarpus cuspidatus subsp. cryptanthus Mrs. M. H. Manning August, 1903 286 Modoc Mt. Bidwell; ne Modoc County Comment
  JEPS62837  Orthocarpus cuspidatus subsp. cryptanthus John Weiler 1970-7-7 70222 Modoc on rocky slope at Cedar Pass; Warner Mountains, rocky slope at Cedar Pass 1920 Comment
  JEPS77522  Orthocarpus cuspidatus subsp. cryptanthus L. R. Heckard with T. I. Chuang and R. C. Bacigalupi 1978-7-19 4892 Modoc about 3 mi sw Patterson Ranger Station (just n of Lassen County line); Warner Mts. 2011 Comment
  RSA210889  Orthocarpus hispidus Robert F. Thorne, James Henrickson, C. W. Tilforth 1969-9-4 39068 Modoc Near old margin of Goose Lake, SW shore of Goose Lake N of McGinty Point. 1433 Comment
  RSA14098  Orthocarpus lacerus Elmer I. Applegate 1929-6-24 5893 Modoc Between Alturas and Davis Creek. Comment
  RSA531360  Orthocarpus lacerus Bruce Bartholomew, B. Anderson 1989-6-1 4725 Modoc Shake Spring. NW side of Shaffer Mtn. 1500 Comment
  NY1101667  Osmorhiza chilensis B. M. Bartholomew 1988-6-24 4338 Modoc Cave Lake, west side of the Warner Mountains 2130 Comment
  CAS-BOT-BC15748  Osmorhiza occidentalis C. C. (Mrs.) Bruce 1894-7-1 66 Modoc Lake City Canyon. Comment
  RSA97461  Osmorhiza occidentalis F. W. Peirson 1926-6-25 6886 Modoc Small side canyon 1 mile east of summit of Warner Mountains, on Cedarville Road Comment
  JEPS57961  Oxyria digyna W. L. Jepson 1918-8-13 7977 Modoc Eagle Peak; Warner Mts., Eagle Peak 3017 Comment
  UC748317  Oxyria digyna Annie M. Alexander and Louise Kellogg 1946-7-23 5058 Modoc Emerson Peak; Warner Mountains, Emerson Peak Comment
  UC190618  Oxyria digyna M. F. Gilman 511 Modoc Mt. Lake 2133 Comment
  CAS-BOT-BC498758  Packera L. S. Smith 1924-6-1 s.n. Modoc Mooc Forest. West side Egg Lake Comment
  CAS-BOT-BC50304  Packera cana Louis Cutter Wheeler 1935-8-4 3778 Modoc Pine Creek, Modoc National Forest 2103 Comment
  CAS-BOT-BC50307  Packera cana John Thomas Howell 1934-6-12 12015 Modoc Between Davis Creek and Plum Valley. Comment
  SBBG33613  Packera cana T. L. Secrest 1951-6-22 Modoc Warner Mtns Comment
  HSC28870  Packera eurycephala D. H. Norris, T. Nelson, S. Dowty 1971-6-23 19363 Modoc Along the S Fork of the Pit River, ~6 mi. E of Likely. Comment
  UC1035973  Packera eurycephala Helen K. Sharsmith 1955-6-25 4507 Modoc n slope Jess Valley; Warner Mountains, Modoc National Forest 1584 Comment
  CAS-BOT-BC50311  Packera eurycephala var. eurycephala Bruce Bartholomew 1991-7-5 5940 Modoc Dry wash draining into North Willow Creek, between Crowder Flat and the Oregon border. 1620 Comment
  CAS-BOT-BC50316  Packera eurycephala var. eurycephala Francis Dorris Payne 1932-6-22 581 Modoc Parker Creek. 1584 Comment
  UC1587060  Packera eurycephala var. eurycephala G. Schoolcraft 1991-6-19 2170 Modoc about 0.5 mi n Adin 1280 Comment
  CAS-BOT-BC190775  Paeonia brownii Annie Montague Alexander; L. Kellogg 1946-6-15 4778 Modoc Deep Creek. 2164 Comment
  RSA59800  Paeonia brownii E. K. Balls 1950-5-17 14736 Modoc Howard's Gulch Public Camp, off Hwy. 139. N.W. of Canby. 1433 Comment
  CHSC115593  Panicum capillare Lowell Ahart; John Dittes 2015-7-16 20392 Modoc North edge of Ash Creek (destroyed), southeast of the gravel pit (destroyed), about 1/8 mile east of the parking area on the east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  HSC80722  Parnassia fimbriata Gregg M. Riegel 1980-7-31 939 Modoc South Warner Mountains. 2100 Comment
  NY783754  Parnassia fimbriata B. M. Bartholomew 1990-8-4 5651 Modoc Side tributary in upper reaches of Owl Creek drainage, east side of Warner Mountains 2500 Comment
  CAS-BOT-BC95498  Paxistima myrsinites Bruce Bartholomew 1995-6-22 6976 Modoc Between Day and Lookout, 7.4 km W of Day on County Road 94 along Widdow Valley Creek. 1350 Comment
  CAS-BOT-BC232314  Pedicularis attollens Robert Patterson; Mona Bourell 1993-8-14 5216 Modoc Patterson Lake. South Warner Wilderness Area. Warner Mountains. 2743 Comment
  HSC20915  Pedicularis attollens M. T. Milligan 1966-6-19 474 Modoc N end of Jess Valley 1616 Comment
  UCSC002899  Pellaea brachyptera W. Doyle 1975-6-21 s.n. Modoc Rock outcrop above mine, east exposure Bidwell Creek Rd. Comment
  HSC72503  Penstemon davidsonii J. P. Smith, J. O. Sawyer 1973-8-8 7218 Modoc Near summit of Eagle Peak 2988 Comment
  CAS-BOT-BC232345  Penstemon davidsonii var. davidsonii Robert Patterson; Mona Bourell 1993-8-15 5277 Modoc Warner Mountains. Along trail from Patterson Lake to ca. 2 mi north towards Pepperdine Trailhead. 2743 Comment
  CAS-BOT-BC232346  Penstemon davidsonii var. davidsonii Annie Montague Alexander; L. Kellogg 1946-7-1 4890 Modoc 0.5 mi. E of summit Bidwell Creek road. Comment
  NY591815  Penstemon deustus var. pedicellatus B. M. Bartholomew 1989-6-3 4858 Modoc Crowder Flat Road at Fletcher Creek. 1550 Comment
  CAS-BOT-BC245536  Penstemon gracilentus Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10520 Modoc Patterson Ranger Station (East Creek drainage). 2164 Comment
  CAS-BOT-BC245540  Penstemon gracilentus Leland S. Smith 1918-6-22 951 Modoc Lily Lake. 2042 Comment
  UCR34689  Penstemon gracilentus J. A. Harpel 1981-8-6 V- 44 Modoc Warner Mtns, South Warner Wilderness Area: E end of Patterson Lake, 7 mi NW of Eagleville 2744 Comment
  NY601604  Penstemon heterodoxus var. shastensis J. D. Jokerst 1987-5-12 2848 Modoc Ca. 4 miles south of Doublehead Mountain, east of Highway 139, northwest of Canby Comment
  CAS-BOT-BC245523  Penstemon humilis var. humilis Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-15 16496 Modoc SE flank of Glass Mt., near Modoc-Siskiyou county line. Comment
  CAS-BOT-BC245519  Penstemon janishiae M. J. Williams; T. Holmcomb; B. Holcomb; L. Saxton 1988-5-28 88- 24 -2 Modoc Grade up to Crowder Flat from Hwy 229, W of Alturas. Top of steep bank by road. 1478 Comment
  SEINET12319635  Penstemon janishiae N. H. Holmgren, Holmgren, P. K. 1978-1 8883 Modoc Crowder Flat Rd, .5 km from jct with CA Hwy 299 whic is 5.6 km W of US Hwy 395 1340 Comment
  CAS-BOT-BC245512  Penstemon laetus var. sagittatus Bruce Bartholomew 1993-6-14 6651 Modoc 2 km E of County Road 114 on County Road 108, NW of Clear Lake Reservoir. 1320 Comment
  SJSU7680  Penstemon laetus var. sagittatus H. L. Buckalew 1961-6-23 Modoc near Stowe Reservoir c. 1 mi N of Cedar Pass on Alturas-Cedarville Rd, Warner Mts 2072 Comment
  CAS-BOT-BC232518  Penstemon roezlii Mrs. H. C. Cantelow 1941-5-23 s.n. Modoc 2 mi. W of Adin Summit, U.S. Hwy. 299 E of Bieber. Comment
  CAS-BOT-BC232520  Penstemon roezlii Milo Samuel Baker 1936-7-14 8340 Modoc About 2 mi. W of Cedar Pass Camp, Warner Mts. along ola road to Alturas. Comment
  POM260364  Penstemon roezlii C. Leo Hitchcock 1940-5-28 6719 Modoc 15 miles north of Alturas, (near Surprise). 1402 Comment
  SEINET195630  Penstemon roezlii Annie M. Alexander, L Kellogg 1946-6-12 4740 Modoc Fandango Pass rd 1707 Comment
  UC1012484  Penstemon roezlii Francis W. Pennell 1940-6-7 25728 Modoc Route 299, 4 mi ne Adin; ne of Adin 1341 Comment
  CAS-BOT-BC245570  Penstemon roezlii Gordon H. True 1964-6-3 1462 Modoc N Fork of Pit River brtween Alturas and Goose Lake. 1432 Comment
  SEINET3357563 Image available Penstemon roezlii Margaret J. Williams 1984-6-28 84- 68 -1 Modoc Warner Mountains. Stowe Reservoir area, W of Soldier Creek Road. Comment
  UC190613  Penstemon roezlii M. F. Gilman 672 Modoc Warner Mts. 1828 Comment
  CAS-BOT-BC245503  Penstemon rydbergii var. oreocharis Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-13 16449 Modoc Southern outskirst of Fort Bidwell. Comment
  CAS-BOT-BC245507  Penstemon rydbergii var. oreocharis Bruce Bartholomew; Barrett Anderson 1989-6-3 4871 Modoc Boles Creek, ca. 5.5 km E of the SE corner of Clear Lake Reservoir. 1430 Comment
  CHSC118293  Penstemon rydbergii var. oreocharis J. P. Janeway 2016-5-17 12040 Modoc Modoc Plateau. Devils Garden area; where Road 45N06 crosses Logans Slough; about 3.2 air-km north of Big Sage Reservoir. 1494 Comment
  RSA401856  Penstemon rydbergii var. oreocharis G. Willett 1935-6-14 s.n. Modoc 4 mi E of Likely. 1524 Comment
  UC102983  Penstemon rydbergii var. oreocharis R. M. Austin Aug. 1894 300 Modoc Davis Creek Comment
  UC748178  Penstemon rydbergii var. oreocharis Annie M. Alexander and Louise Kellogg 1946-6-30 4874 Modoc Highgrade n end of Warner Mountains, Highgrade (w side of ridge, n end of Warner Mountains) 2377 Comment
  POM261271  Penstemon speciosus C. Leo Hitchcock 1940-5-27 6666 Modoc 15 miles northeast of Alturas. 1616 Comment
  UC1063194  Penstemon speciosus R. C. Wilson 1933-6-10 43 Modoc Pothole Gulch Modoc National Forest, Canby Quad. 1310 Comment
  RSA31941  Penstemon speciosus A. A. Heller 1941-6-25 16204 Modoc Steep slope just below the beginning of the ascent to Cedar Pass on the Cedarville Road. Comment
  UC27471  Penstemon speciosus Mrs. R. M. Austin and Bruce June 1898 2360 Modoc Hillside Comment
  UC726127  Penstemon speciosus A. A. Heller 1941-6-25 16204 Modoc on the Cedarville Road steep slope just below the beginning of the ascent to Cedar Pass 1935 Comment
  CAS-BOT-BC214728  Peraphyllum ramosissimum Mrs. H. C. Cantelow 1940-5-3 s.n. Modoc 3 mi. E of Canby. Comment
  JEPS45605  Peraphyllum ramosissimum L. S. Smith Jul 1920 1199 Modoc w of Alturas Comment
  RSA31944  Peraphyllum ramosissimum A. A. Heller 1938-6-24 15228 Modoc elevated flat in clay soil about midway between Canby and Alturas. Comment
  RSA77089  Peraphyllum ramosissimum F. W. Peirson 1926-6-26 6905 Modoc Hill slope in broken country, between Alturas and Canby. Comment
  SEINET11142109  Perideridia bolanderi subsp. bolanderi M. J. Williams 1984-7-1 84- 86 -1 Modoc Crowder Flat Road, 3.1 miles N of Hwy 299. 1341 Comment
  CAS-BOT-BC15715  Perideridia oregana Annie Montague Alexander; L. Kellogg 1946-7-10 4951 Modoc N of Lake Annie. Comment
  UCD116239  Peritoma platycarpa Helen K. Sharsmith 1955-6-23 4503 Modoc West Valley Reservoir. Just outside W boundary Modoc National Forest, Warner Mountains. 1524 Comment
  CAS-BOT-BC218104  Persicaria amphibia Bruce Bartholomew 1995-8-1 7138 Modoc 14.8 km N of turn off to Cedarville on U.S. Hwy 395 and 8 km S of Davis Creek. 1450 Comment
  CHSC117506  Persicaria maculosa Lowell Ahart; John Dittes 2016-7-14 21190 Modoc South of Ash Creek Canal (now filled in), south of Ash Creek, Ash Creek State Wildlife Area, 0.79 mille (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. 1273 Comment
  RSA427960  Phacelia frigida subsp. dasyphylla Christopher Davidson 1975-6-4 2610 Modoc A quarter mile west of Cedarville on Highway 299. 1463 Comment
  CAS-BOT-BC179277  Phacelia glandulifera Bruce Bartholomew 1993-6-13 6624 Modoc Near Fortynine Creek, E of Cedarville on E side of Surprise Valley. 1400 Comment
  UC192181  Phacelia glandulifera J. G. Lemmon 2 Modoc Surprise Val. Comment
  CAS-BOT-BC179261  Phacelia hastata subsp. hastata Bruce Bartholomew; Barrett Anderson 1988-6-23 4267 Modoc 1.8 km WSW of Day on County Road 94. 1170 Comment
  CAS-BOT-BC179268  Phacelia hastata subsp. hastata Alice Eastwood; John Thomas Howell 1940-6-13 8174 Modoc Cedarville. Comment
  HSC65623  Phacelia hastata var. compacta J. P. Smith, J. O. Sawyer 1973-8-8 7221 Modoc Near summit of Eagle Peak 2988 Comment
  UC24489  Phacelia heterophylla subsp. virgata Geo. H. Boke 1890-1 Modoc Comment
  SBBG15881  Phacelia humilis H. and M. Dearing 1939-6-7 3583 Modoc E of Alturas on Cedarville Rd Comment
  UC1234580  Phacelia humilis Peter H. Raven 1962-5-29 17890 Modoc 0.8 mi mi w Cedar Pass; Warner Mountains 1859 Comment
  UC133064  Phacelia humilis Mrs. R. M. Austin June 1884 Modoc mts. e Goose Lake Val. Comment
  CAS-BOT-BC179981  Phacelia humilis var. humilis M. Vasey 1990-6-29 9017 Modoc Trail to summit above N Emerson Lake. 2651 Comment
  CAS-BOT-BC179988  Phacelia humilis var. humilis Annie Montague Alexander; L. Kellogg 1946-6-5 4660 Modoc Emerson Creek, S of Eagleville. 1783 Comment
  CAS-BOT-BC179990  Phacelia humilis var. humilis Francis Dorris Payne 1929-7-26 119 Modoc Pine Creek Basin. 2133 Comment
  CAS-BOT-BC179952  Phacelia linearis Fred D. Douthitt 20 Modoc Juniper Flats near Flournoy Swale. 1524 Comment
  CAS-BOT-BC179959  Phacelia linearis Alice Eastwood; John Thomas Howell 1940-6-14 8251 Modoc Between Mammoth Cave and Lava Beds Nat. Mon. Comment
  UC932005  Phacelia linearis Verne Grant and Alva Grant 1947-7-13 8017 Modoc Fandango Pass Warner Mountains Comment
  POM127616  Phacelia linearis M. French Gilman 648 Modoc [Unspecified] 1524 Comment
  CAS-BOT-BC179937  Phacelia ramosissima var. eremophila Annie Montague Alexander; L. Kellogg 1946-6-7 4943 Modoc Eight Mile Creek. 1752 Comment
  JEPS1024  Phacelia ramosissima var. eremophila L. S. Smith 1918-8-7 1015 Modoc Camp One Modoc <National> Forest, South Warners (near Patterson Mill) 2438 Comment
Read comments
Jul 14 2013
  RSA531328  Phacelia ramosissima var. eremophila Bruce Bartholomew, B. Anderson 1990-7-20 5486 Modoc 10.3 km north of Buck Creek Ranger Station, crest of Warner Mountains west side of Warner Mountains. 2130 Comment
  UC748445  Phacelia ramosissima var. ramosissima Annie M. Alexander and Louise Kellogg 1946-6-18 4807 Modoc at base of lava bluff facing Lower Lake Comment
  CAS-BOT-BC179925  Phacelia sericea var. ciliosa Leland S. Smith 1918-8-17 1038 Modoc Eagle Peak ridge, near Emerson Trail. 2621 Comment
  CAS-BOT-BC179926  Phacelia sericea var. ciliosa Robert Patterson; Mona Bourell 1993-8-15 5246 Modoc Warner Mountains. Along trail from Patterson Lake to ca. 2 mi north towards Pepperdine Trailhead. 2743 Comment
  SJSU9668  Phacelia thermalis W. Savage 1979-7-9 1514 Modoc Round Valley, Triangle, Devils Garden District, Modoc National Forest 1493 Comment
  CDA2272  Phalaris arundinacea T. C. Fuller 1963-8-26 11172 Modoc West side of Hwy 395 to Lakeview, 1 mile north of Davis Creek. 0 Comment
  CHSC13590  Phlox caespitosa C. S. Armor 1974-4-9 86 Modoc 200 yds sw of the north water storage tank in Alturas. 1310 Comment
  CAS-BOT-BC197952  Phlox diffusa F. Angwin 1946-4-21 s.n. Modoc Stonecoal Canyon near Adin Comment
  CAS-BOT-BC197925  Phlox douglasii subsp. rigida Roxana Stinchfield Ferris; R. Duthie 1919-6-14 66 Modoc Above Parker Creek, Modoc National Forest boundary. 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-BC197937  Phlox douglasii subsp. rigida Elmer Ivan Applegate 1932-8-1 8009 Modoc Arid summit of Warner Mts. just S of Warren Peak. Comment
  RSA271922  Phlox douglasii subsp. rigida Christopher Davidson 1975-6-4 2604 Modoc Hwy 299 (toward Cedarville), 2.2 mi. east of Hwy 395. 1500 Comment
  UC748262  Phlox douglasii subsp. rigida Annie M. Alexander and Louise Kellogg 1946-6-5 4669 Modoc s of Eagleville; Warner Mountains, Emerson Creek 1889 Comment
  JEPS3969  Phlox douglasii subsp. rigida N. T. Mirov 1929-5-30 Modoc e of Goose Lake (w of Fandango Valley); Warner Mountains, Buck Creek 1584 Comment
  RSA0009310  Phlox douglasii subsp. rigida Mrs. R. M. Austin 536 Modoc Goose Lake Valley. Comment
  UCR87503  Phlox gracilis 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-BC197885  Phlox hoodii subsp. canescens Bruce Bartholomew; M; M. Gilbert; L. E. Skog 1993-5-10 6473 Modoc 1.9 km NE of Fee Reservoir Road on Barrel Spring Road, N end of Surprise Valley. 1670 Comment
  CAS-BOT-BC197886  Phlox hoodii subsp. canescens Harry Dwight Dillon Ripley; Rupert Charles Barneby 1944-5-30 5987 Modoc Mesa S of Alturas. 1371 Comment
  CAS-BOT-BC197860  Phlox stansburyi Alice Eastwood; John Thomas Howell 1940-6-14 8201 Modoc Near Kelly Hot Spring. Comment
  CAS-BOT-BC197872  Phlox stansburyi Bruce Bartholomew 1991-5-24 5727 Modoc 2.9 km NE of road between Fort Bidwell and Fee Reservoir on road to Big Mud Lake. 1680 Comment
  CAS-BOT-BC197879  Phlox stansburyi Bruce Bartholomew; Barrett Anderson 1989-4-29 4670 Modoc 6.4 km E of Fort Bidwell on road to Fee Reservoir, NE corner of Surprise Valley. 1460 Comment
  CAS-BOT-BC58579  Phoenicaulis cheiranthoides Elmer Ivan Applegate 1937-5-13 11088 Modoc Lava Beds Nationa Monument, Gillam Bluff. Comment
  SJSU5792  Phoenicaulis cheiranthoides H. L. Buckalew 1961-6-27 Modoc SW facing c. 1 mi N of Cedar Pass on Alturas-Cedarville Rd Comment
  POM228966  Pilularia americana L. C. Wheeler 1935-9-17 3990 Modoc Everly Reservoir, Devil s Garden 1524 Comment
  CAS-BOT-BC478168  Pinus albicaulis John Thomas Howell 1934-6-14 12109 Modoc Near Lost Lake, Warner Mountains 2438 Comment
  CAS-BOT-BC73414  Pinus albicaulis Elmer I. Applegate 1932-7-9 7587 Modoc North slope of Bidwell Mountain, Warner Mountains. 2286 Comment
  UC401406  Pinus contorta subsp. murrayana Belknap C. Goldsmith 1911-6-14 30 Modoc N. Fk. Davis Ck. Modoc National Forest, Warner Mts., N. Fk. Davis Ck. (w slope Warner Mts., wet springy flat) 1889 Comment
  CAS-BOT-BC73167  Pinus jeffreyi Elmer I. Applegate 1932-8-4 8147 Modoc Near and south of Cantrall Mill, on road to Mill Creek meadows, Warner Mountains. 1828 Comment
  CAS-BOT-BC73020  Pinus monticola Elmer I. Applegate 1932-8-5 8219 Modoc Dry, rocky crest of Yellow Moutain near Lily Lake, Bidwell Pass, Warner Mountains. 2438 Comment
  CAS-BOT-BC73022  Pinus monticola A. D. Borden 1911-6-15 s.n. Modoc Davis Creek 2072 Comment
  CAS-BOT-BC79034  Pinus ponderosa A. D. Borden 1911-5-20 s.n. Modoc Ross Creek Comment
  RSA275353  Pinus washoensis J. P. Smith, J. O. Sawyer 1973-8-8 7252 Modoc 1.5 miles north of Patterson Guard Station on Summit Trail; South Warner Wilderness. 2439 Comment
  UC71858  Piperia unalascensis Mrs. M. H. Manning 1903-7-9 41 Modoc Warner Range, ne Modoc County Warner Range 1828 Comment
  CDA13479  Plagiobothrys cognatus G. F. Hrusa, T. D. Wilfred 1996-7-21 13320 a Modoc Modoc Plateau; Along banks of Pit River at Modoc Co. Rd. 90 bridge. E base of Splawn Mtn. N end of Big Valley. Comment
  SJSU9597  Plagiobothrys cusickii W. Savage 1979-7-5 1364 Modoc Triange, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 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
  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
  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
  CHSC67089  Plagiobothrys leptocladus James D. Jokerst 1987-5-13 2858 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
  UC1540171  Plagiobothrys mollis Dean W. Taylor 1987-8-9 9286 Modoc on shore 100 meters w of dam Clear Lake Reservoir 1371 Comment
  UC71866  Plagiobothrys reticulatus Mrs. M. H. Manning 1903-5 142 Modoc near Fort Bidwell (north-eastern Modoc County) Comment
  RSA0020681  Plagiobothrys salsus R. B. Kelley 2005-6-26 883 Modoc Along SR 299. No specific locality data provided. Comment
  CAS-BOT-BC58735  Plagiobothrys scouleri John Thomas Howell 1934-6-15 12193 Modoc Dorris Reservoir, 2 mi. E of Alturas. Comment
  CAS-BOT-BC58741  Plagiobothrys scouleri Alice Eastwood; John Thomas Howell 1940-6-12 8077 Modoc Between Likely and Jess Valley. Comment
  CAS-BOT-BC58746  Plagiobothrys scouleri Alice Eastwood; John Thomas Howell 1940-6-12 8078 Modoc Between Likely and Jess Valley. Comment
  RSA59935  Plagiobothrys scouleri var. hispidulus E. K. Balls 1950-5-13 14667 Modoc Goose Lake, east shore, near Willow Ranch. 1463 Comment
  HSC77910  Platanthera dilatata var. leucostachys O. Ballantyne 1983-7-18 Modoc S Warner Mtns., tributary of N Fork of East Creek 1585 Comment
  UC4572  Platanthera stricta Mrs. R. M. Austin Aug 1894 Modoc headwaters Lassen Creek (Northern California); Headwaters Lassen Creek Comment
  CAS-BOT-BC245407  Plectritis macrocera Bruce Bartholomew; Barrett Anderson 1989-4-27 4627 Modoc Little Hot Spring Valley, 4.0 km NW of Day. 1070 Comment
  RSA152450  Plectritis macrocera subsp. grayi I. L. Wiggins, Dorothy Wiggins 1961-6-12 16420 Modoc Near summit of Cedar Pass, between Alturas and Cedarville. 1951 Comment
  UC1024974  Poa annua Leo Whitney 1935-7-6 3428 Modoc Crank Springs Comment
  UC1025051  Poa annua Leo Whitney 1935-8-3 3594 Modoc Buck Creek Comment
  UC1132596  Poa bulbosa Leo Whitney 1935-5-29 3129 Modoc Bieber; Bieber Quadrangle Comment
  CAS-BOT-BC247581  Poa cusickii Bruce Bartholomew 1990-6-18 5371 Modoc 5.5 km N of Hwy 299 on Crowder Flat Rd. 1450 Comment
  UC1024971  Poa cusickii subsp. cusickii Leo Whitney 1935-7-6 3434 Modoc near Lookout Pit River Comment
  CHSC85106  Poa cusickii subsp. epilis John Dittes; Josephine Guardino 1991-7-21 436 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
  HSC80832  Poa cusickii subsp. epilis G. M. Riegel 1979-7-14 546 Modoc 1739 Comment
  RSA273391  Poa palustris J. P. Smith, J. O. Sawyer 1973-8-9 7277 Modoc Blue Lake, Modoc National Forest. 1829 Comment
  UCD32721  Poa palustris Beecher Crampton 1954-7-7 2159 Modoc Modoc County, 2.5 miles east of Alturas, near radio station KCNO. Comment
  UCD91791  Poa palustris Alan A. Beetle 1944-8-17 3038 Modoc 1 mile south of Alturas, edge of town west of R.R. track. Comment
  HSC10754  Poa pratensis M. T. Milligan 1965-6-23 284 Modoc N end Jess Valley 1616 Comment
  UCD91957  Poa pratensis R. Tofsrud 1949-6-1 s.n. Modoc near Eagleville. Comment
  SJSU2088  Poa pratensis subsp. pratensis J. W. Tilden 1958-6-26 1274 Modoc W side of Cedar Pass between Alturas & Cedarville, Warner Mts 1828 Comment
  CDA32643  Poa secunda A. A. Beetle 1941-6-29 2827 Modoc Near summit of Cedarville Pass Comment
  HSC10720  Poa secunda subsp. juncifolia R. C. Wunner 1965-7-1 329 Modoc Lava Beds N. M., 1/4 mi. from top of Gillems Bluff above Gillems Camp. Comment
Read comments
Aug 20 2013
  UC1024920  Poa secunda subsp. juncifolia Leo Whitney 1935-6-29 3360 a Modoc Alturas Comment
  UC1037101  Poa secunda subsp. juncifolia Leo Whitney 1935-5-21 3095 Modoc ca 15 mi nw Canby (Hackamore, Spaulding's Butte); Modoc Nat'l Forest 1463 Comment
  UCD92431  Poa secunda subsp. juncifolia L. Whitney 1935-5-26 3157 Modoc Ash Creek, 10 miles E of Adin. Comment
  UCD92434  Poa secunda subsp. juncifolia L. Whitney 1935-7-21 s.n. Modoc Happy Camp. Comment
  CAS-BOT-BC247605  Poa secunda subsp. secunda John Thomas Howell 1934-7-1 12343 Modoc Duncan Horse Camp. 1355 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
  JEPS70660  Poa secunda subsp. secunda L. S. Smith 1917-7-2 56 Modoc head of Shields Creek; Warner Mts 2331 Comment
  JEPS74053  Poa secunda subsp. secunda Frances D. Payne 1932-6-27 621 Modoc s and e Alturas (Parker Creek, Parker Meadow); Warner Mts 1584 Comment
  UC1024904  Poa secunda subsp. secunda Leo Whitney 1935-5-21 3110 Modoc ca 15 mi nw Canby (Hackamore); Modoc Nat'l Forest 1463 Comment
  UC1025025  Poa secunda subsp. secunda Leo Whitney 1935-7-21 3526 Modoc Pit River Comment
  UC1037148  Poa secunda subsp. secunda Leo Whitney 1935-7-6 3424 Modoc near Lookout Pit River Comment
  UC1137008  Poa secunda subsp. secunda August L. Hormay 1932-7-14 Modoc DD plot sites; Modoc Nat'l Forest Comment
  UCD32705  Poa secunda subsp. secunda Beecher Crampton 1954-7-7 2131 Modoc W side of Cedar Pass, Warner Mountains. 1889 Comment
  UCD32711  Poa secunda subsp. secunda Beecher Crampton 1954-7-7 2140 Modoc W side of Cedar Pass. Comment
  CAS-BOT-BC252519  Poa wheeleri Bruce Bartholomew; Barrett Anderson 1988-5-12 4125 Modoc Ca. 13 km NNE of Adin on State Highway 229 at turnoff to Higgins Flat on USFS road 41N11. 1440 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-BC179345  Pogogyne floribunda James D. Jokerst 1987-7-13 2946 Modoc W of Sector 4 of the Air Force Backscatter Radar site. Ca. 3 mi. S of Doublehead Mountain. Comment
  CAS-BOT-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
  CHSC67511  Pogogyne floribunda J. D. Jokerst 1987-7-13 2946 Modoc Modoc National Forest, Devils Garden Ranger District (south of Clear Lake), west of Sector 4 of the Air Force Backscatter Radar Site. About 3 miles S of Doublehead Mountain. 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
  NY22575  Pogogyne floribunda J. D. Jokerst 1990-7-31 3205 Modoc Dry lakebed with Artemisia cana. Modoc National Forest, Devils Garden Ranger District (south of Clear Lake), about 1.5 miles SE of Doublehead Mountain, N and adjacent to dirt road and 0.25 mile W of a north to south-oriented fenceline through the center o Comment
  RSA551272  Pogogyne floribunda Bruce Bartholomew 1991-7-5 5932 Modoc Cow Head Tank, 6 km NW of Dorris Brothers Reservoir. 1520 Comment
  RSA0022125  Pogogyne floribunda H. L. Mason 1947-8-9 13474 Modoc East side of Fairchild Swamp, north of Alturas Comment
  CAS-BOT-BC263237  Polemonium micranthum R. Stubbs 2010-5-8 005 Modoc Modoc National Forest Rush Creek off of CA-299 1502 Comment
  CHSC117863  Polemonium micranthum L. P. Janeway 2016-5-16 11979 Modoc Modoc Plateau. Devils Garden area; along Road 47N07 1.8 road-km south of Road 181/73/47N09. 1573 Comment
  CHSC99114  Polemonium micranthum Lowell Ahart; John Dittes 2008-6-21 14981 Modoc North of the large culvert, west of the large levee, in Big Valley, about 2.8 miles (air) north of the Headquarters at Ash Creek State Wildlife Area, about 5.4 miles (air) northeast of Bieber. 1255 Comment
  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
  UC1037294  Polyctenium fremontii Leo Whitney 1934-4-29 1662 Modoc Dry creek bed near Hockamore (Modoc National Forest); , near Hockamore 1463 Comment
  JEPS13800  Polyctenium fremontii Mary H. Manning 1912-4 Modoc Tule Lake Comment
  CAS-BOT-BC58325  Polyctenium fremontii var. fremontii Leland S. Smith 1920-5-30 20 Modoc West Valley camp. 1524 Comment
  CHSC67096  Polyctenium fremontii var. fremontii James D. Jokerst 1987-5-11 2831 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
  JEPS121234  Polygonum Lowell Ahart, John Dittes 2013-7-24 18911 Modoc On the S side of a levee road, N side of Ash Creek Floodplain, 0.54 air miles SE of Pilot Butte parking area, 1.1 air miles S of County Road 87, 6.8 air miles W of Adin, Big Valley. Comment
  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
  RSA601449  Polygonum amphibium var. stipulaceum Louis C. Wheeler 1935-8-14 3845 Modoc Lily Lake, Pine Creek, Warner Mountains. 2073 Comment
  CHSC112836  Polygonum aviculare Lowell Ahart; John Dittes 2013-7-24 18915 Modoc Around a man made pond, north side of Ash Creek Floodplain, 0.54 mile (air) southeast of Pilot Butte Parking Area, 1.1 miles (air) south of County Road 87, 6.8 miles (air) west of Adin, Big Valley. 1263 Comment
  JEPS79754  Polygonum aviculare Louis C. Wheeler 1935-8-26 3922 Modoc 1 mi nw Mud Lake; Devil's Garden 1524 Comment
  SD215623  Polygonum aviculare Louis C. Wheeler 1935-8-26 3928 Modoc Modoc Plateau; 1.5 mile south of Lakeshore Reservoir, Devil/ Garden. 1524 Comment
  CHSC112072  Polygonum aviculare subsp. buxiforme L. P. Janeway; B. Castro 2014-6-3 11322 Modoc Great Basin. On the dry cracked white mud of Big Mud Lake, near the northwest edge. 1637 Comment
  UC1037309  Polygonum aviculare subsp. depressum Leo Whitney 1934-9-23 1555 Modoc 15 mi NW of Canby (Lake Joaquina, Hackamore); Modoc National Forest 1463 Comment
  CAS-BOT-BC218131  Polygonum douglasii Bruce Bartholomew; Barrett Anderson 1988-6-25 4398 Modoc Ryan Canyon, N of Adin. 1390 Comment
  CAS-BOT-BC218138  Polygonum douglasii John Thomas Howell 1934-6-11 11975 Modoc Parker Creek. 1584 Comment
  UC526134  Polygonum douglasii subsp. douglasii John Thomas Howell 1934-6-30 12276 Modoc Duncan Horse Camp Comment
  SEINET3087327 Image available Polygonum kelloggii Arnold Tiehm 1984-7-30 8829 Modoc 8.9 road miles NE of Ft. Bidwell on the main road to Adel, just past the road summit. 1615 Comment
  NY412807  Polygonum kelloggii var. kelloggii B. M. Bartholomew 1988-5-12 4097 Modoc White Horse 15' Quad. 1340 Comment
  RSA210873  Polygonum lapathifolium Robert F. Thorne, James Henrickson, C. W. Tilforth 1969-9-4 39107 Modoc N Fork of Pit River 3.4 mi N of Alturas where crossed by Hwy 395. 1341 Comment
  CHSC14077  Polygonum polygaloides subsp. confertiflorum K. R. Stern; D. B. Joley, J. G. Geschke 1974-6-22 5826 Modoc W side of Egg Lake. 1775 Comment
  CHSC67587  Polygonum polygaloides subsp. confertiflorum James D. Jokerst 1990-8-2 3216 Modoc SE of Clear Lake Reservoir on a dry meadow edge at the headwaters of Mowitz Creek, ca. 0.66 mi E of Red Lake. Comment
  RSA26457  Polygonum polygaloides subsp. confertiflorum Peter H. Raven, Otto T. Solbrig 1958-6-14 8223 Modoc About small lake, eastern outskirts of Lookout Comment
  UC1748338  Polygonum polygaloides subsp. confertiflorum James D. Jokerst 1990-8-2 3214 Modoc Hwy 139 NW of Canby (S of hwy., 4.7 mi W of jct. with Loveness Road) Comment
  UCD77954  Polygonum polygaloides subsp. confertiflorum Robert E. Preston 2000-7-18 1398 Modoc Ca. 12 mi nw of Canby, along Hwy 139, 1.6 mi e of Forest Service Rd 44N11. 1490 Comment
  UC1111535  Polygonum polygaloides subsp. confertiflorum H. L. Mason 1957-6-21 14706 Modoc Said Valley; w side Comment
  CHSC117861  Polygonum polygaloides subsp. esotericum L. P. Janeway 2016-5-16 11995 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
  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
  RSA602681  Polygonum polygaloides subsp. esotericum Louis C. Wheeler 1935-8-16 3867 Modoc Warner Mountains: Dismal Swamp, Twenty Mile Creek. 2226 Comment
  CAS-BOT-BC218187  Polygonum polygaloides subsp. kelloggii Mrs. H. C. Cantelow 1940-6-2 4180 Modoc About 10 mi. NW of Canby, road to lava beds. Comment
  CAS-BOT-BC218192  Polygonum polygaloides subsp. kelloggii Peter Hamilton Raven; Otto Thomas Solbrig 1958-6-18 13318 Modoc 8.8 mi. S of Happy Camp Guard Station. Comment
  UC6708  Polygonum polygaloides subsp. kelloggii M. S. Baker and Frank Nutting 1894-6-8 Modoc Egg Lake Comment
  CDA15890  Polygonum punctatum J. DiTomaso 2000-7-25 s.n. Modoc Modoc Plateau; Along Eastside Canal, 1/4 mi. W of US Hwy 395 off Jones Lane, and 1/2 mi. S of southern tip of Modoc National Wildlife Refuge. 1371 Comment
  NY407629  Polygonum sawatchense R. J. Weatherby 1955-7-7 1608 Modoc Northern Juniper Woodland. 7 miles north of Fort Bidwell. 1874.5 Comment
  NY412847  Polygonum sawatchense J. T. Howell 1934-7-1 12317 Modoc Duncan Horse Camp Comment
  RSA334868  Polygonum sawatchense subsp. sawatchense A. Tiehm 1984-6-30 8841 Modoc NW side of Bidwell Mt., 2.8 road miles north of 8 mile creek on the road from Lake Annie. 1829 Comment
  CAS-BOT-BC218150  Polygonum spergulariiforme Bruce Bartholomew 1989-7-14 4923 Modoc Along Rush Creek between Lower and Upper Rush Creek Campgrounds. 1580 Comment
  CAS-BOT-BC252512  Polypogon monspeliensis Bruce Bartholomew 1994-10-8 6876 Modoc 1.8 km S of Lookout - Adin Road on County Road 87A. 1260 Comment
  NY177829  Populus tremuloides L. C. Wheeler 1935-9-30 4017 Modoc Back Tuttle Place Devil's Garden 1524.0 Comment
  SEINET10460822  Porterella carnosula Annie M. Alexander, Louise Kellogg 1946-7-11 Alexander 4975 Modoc Mesa west, northeast corner of county Comment
  SJSU9532  Porterella carnosula W. Savage 1979-6-20 1269 Modoc south margin of Bottle Creek Reservoir, Triangle, Devils Garden District, Modoc National Forest 1493 Comment
  CAS-BOT-BC267120  Potamogeton Milo S. Baker 1999-8-5 3660 b Modoc Fall River near [unreadable] Comment
  CAS-BOT-BC242250  Potamogeton epihydrus Verne Grant; I. Schneider 1947-7-21 8127 Modoc North Fork of Pit River by bridge on Hwy 395, N of Alturas. Comment
  UC1099879  Potamogeton epihydrus Verne Grant, Irving Schneider 1947-7-22 8134 Modoc n of Alturas (North Fork Pit River by confluence with Gleason Creek on Hwy 395); North Fork Pit River Comment
  CAS-BOT-BC242238  Potamogeton gramineus Malcom A. Nobs; Calvin McMillan 1949-6-16 788 Modoc Dry Valley Reservoir, 33 mi. NNW of Alturas. Comment
  UC1099857  Potamogeton gramineus Calvin McMillan, Malcolm A. Nobs 1949-6-16 788 Modoc 33 mni nnw of Alturas (Dry Valley Reservoir); Dry Valley Reservoir Comment
  CAS-BOT-BC242231  Potamogeton nodosus Bruce Bartholomew 1994-5-29 6732 Modoc Curtis Water Hole, NW of Egg Lake. 1280 Comment
  RSA210788  Potamogeton nodosus Robert F. Thorne, J. Henrickson, C. W. Tilforth 1969-9-4 39129 Modoc N Fork of Pit River 3.4 mi N of Alturas where crossed by Highway 395. 1341 Comment
  UC1536814  Potamogeton pectinatus Gordon H. True Jr. 1939-7-21 1008 Modoc Jack Swamp near Alturas; Jack Swamp Comment
  UC1100090  Potamogeton zosteriformis Herbert L. Mason 1947-8-12 13515 Modoc near Alturas (s of Opahwash Butte); Pit River Comment
  UC748057  Potentilla breweri Annie M. Alexander and Louise Kellogg 1946-8-3 5108 Modoc head of Eagle Creek Warner Mountains, Eagle Creek Comment
  JEPS47227 Image available Potentilla breweri Frances D. Payne 1931-6-29 286 A Modoc s Mosquito Lake (e slope of Mt. Warren); Warner Mts., e slope of Mt. Warren 2133 Comment
  RSA520455  Potentilla fruticosa K. Paulson 1990-7-2 212 Modoc Dismal Swamp, Warner Mts. 2195 Comment
  JEPS47203  Potentilla fruticosa Frances D. Payne 1931-6-22 300 Modoc southeastern slopes Mt. Warren (Owl Creek, Warner Mountains); Warner Mountains, se slopes Mt. Warren, Owl Creek 2133 Comment
  CAS-BOT-BC214779  Potentilla gracilis John Thomas Howell 1934-6-12 12029 Modoc Plum Valley, Warner Mts. Comment
  CAS-BOT-BC214785  Potentilla gracilis Bruce Bartholomew; Barrett Anderson 1989-6-3 4860 Modoc Quaking Aspen Spring, between Goose Lake and Clear Lake Reservoir. 1500 Comment
  CAS-BOT-BC214786  Potentilla gracilis Milo Samuel Baker 1893-6-1 67 Modoc unspecified Comment
  HSC18739  Potentilla gracilis var. fastigiata M. T. Milligan 1965-6-26 317 Modoc N end Jess Valley. 1616 Comment
  NY832911  Potentilla gracilis var. fastigiata B. M. Bartholomew 1988-7-21 4473 Modoc Vicinity of Patterson Campground, southern end of the Warner Mountains. Sierran montane forest 2190 Comment
  HSC18737  Potentilla gracilis var. flabelliformis M. T. Milligan 1965-6-26 337 Modoc N end Jess Valley. 1616 Comment
  JEPS44229  Potentilla gracilis var. flabelliformis W. L. Jepson 1918-8-14 7984 Modoc Jess Valley 1584 Comment
  RSA29866  Potentilla gracilis var. flabelliformis M. S. Baker 1894-1 6443 Modoc Near Egg Lake Comment
  RSA85691  Potentilla gracilis var. flabelliformis F. W. Peirson 1926-6-25 6883 Modoc 1 mile east of summit of Cedarville Road, Warner Mountains Comment
  UC191284  Potentilla gracilis var. flabelliformis Milo S. Baker 1893-7-2 Modoc Comment
  UC420583  Potentilla gracilis var. flabelliformis W. P. Taylor and H. C. Bryant 1910-7-11 Modoc Alturas Warner Mountains, South Fork Pitt River (South Fork Pitt River) 1402 Comment
  CAS-BOT-BC143313  Potentilla newberryi Verne Grant; Irving Schneider 1947-8-27 8313 Modoc Southwest end of Clear Lake Comment
  RSA252486  Potentilla palustris Robert F. Thorne 1969-9-5 39162 Modoc Modoc National Forest, Warner Mountains, Clear Lake. 1768 Comment
  UC1037235  Potentilla rivalis Leo Whitney 1934-5-20 3041 Modoc bank of Lost River near Clear Lake; bank of Lost River near Clear Lake 1463 Comment
  CAS-BOT-BC225032  Poteridium annuum Leland S. Smith 1918-6-14 936 Modoc Buck Creek Ranger Station & Willow Creek. 1676 Comment
  HSC14304  Prunella vulgaris subsp. lanceolata M. T. Milligan 1965-6-26 337 Modoc N end Jess Valley. 1616 Comment
  CDA40759  Prunella vulgaris subsp. lanceolata G. D. Barbe, John Kelley 1988-7-2 4301 Modoc Modoc National Wildlife Refuge, southeast of Alturas. 0 Comment
  UCD113166  Prunus andersonii Louis C. Wheeler 1935-8-6 3797 Modoc town of Pine Creek. 1493 Comment
  POM89357  Prunus emarginata R. M. Austin 1895-06 59 Modoc Ross Canyon Comment
  RSA0025587  Prunus emarginata John F. Emmel 1996-7-15 1436 Modoc East slope Warner Mtns; along County Road 42, above North Barber Creek, ca. 2.5 air mi NW of Snake Lake. 1829 Comment
  CAS-BOT-BC214813  Prunus subcordata Elmer Ivan Applegate 1897-6-2 861 Modoc Near Likely, upper Pit River Watershed. Comment
  CAS-BOT-BC214822  Prunus subcordata K. Paulson; Robert Paulson 1989-5-8 104 Modoc Howard's Gulch, along Hwy 139. 1371 Comment
  JEPS19416 Image available Prunus subcordata B. C. Goldsmith Modoc e edge Goose Lake Valley (w slope of mountains); Warner Mts.; Goose Lake Valley, Warner Mts. Comment
  RSA1576  Prunus subcordata E. R. Johnson 1928-8-31 1195 Modoc W edge of lava beds between Lookout and Battle Comment
  RSA59972  Prunus subcordata E. K. Balls 1950-5-13 14679 Modoc W of Goose lake. 1/2 mile S of Oregon-California state line. 1463 Comment
  SD46571  Prunus subcordata Robert J. Weatherby 1955-7-8 1630 Modoc 6 miles north of Ft. Bidwell, Warner Mts. 1646 Comment
  CAS-BOT-BC225015  Prunus virginiana var. demissa Roxana Stinchfield Ferris; R. Duthie 1919-6-14 129 Modoc Parker Creek below Modoc Nat. Forest Boundary. Comment
  CAS-BOT-BC225016  Prunus virginiana var. demissa A. D. Borden 1911-8-9 Modoc S slope of Shields Creek. Comment
  JEPS44918  Prunus virginiana var. demissa W. L. Jepson 1918-8-9 7908 Modoc North Fork Bidwell Creek 1828 Comment
  JEPS44920  Prunus virginiana var. demissa L. S. Smith 1919-6-2 1113 Modoc Deep Creek Railroad Station; Warner Mountains, Deep Creek Railroad Station 1524 Comment
  JEPS46229  Prunus virginiana var. demissa F. H. Frost 1925-7-11 29 Modoc 2 mi above Cedarville (Cedar Canyon campsite); Cedar Canyon campsite Comment
  RSA149070  Prunus virginiana var. melanocarpa I. L. Wiggins, Dorothy B. Wiggins 1961-6-12 16400 Modoc Roadside above Thoms Creek. 6.1 miles E of California State Highway 299. Along Cedar Pass Rd. Comment
  UCD32716  Pseudoroegneria spicata Beecher Crampton 1954-7-7 2148 Modoc Modoc County, 3 miles west of Cedarville, east side of Cedar Pass, on volcanic slopes. 1615 Comment
  UCD91504  Pseudoroegneria spicata Beecher Crampton; Carl Rimbey 1954-7-7 2149 Modoc Modoc County, 3 miles west of Cedarville, east side of Cedar Pass, Warner Mountains. Comment
  CAS-BOT-BC252503  Pseudoroegneria spicata subsp. spicata Bruce Bartholomew; Barrett Anderson 1990-7-21 5562 Modoc N Barber Creek, road from Surprise Valley to Patterson Ranger Station, E side of Warner Mts. 1710 Comment
  CAS-BOT-BC252507  Pseudoroegneria spicata subsp. spicata John Thomas Howell 1934-6-11 11930 Modoc Parker Creek. 1584 Comment
  CAS-BOT-BC95218  Pseudostellaria jamesiana Francis Dorris Payne 1932-7-3 601 Modoc Parker Creek. 1584 Comment
  CAS-BOT-BC95225  Pseudostellaria jamesiana Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-13 16455 Modoc Near summit of Fandango Pass, Warner Mts. Comment
  CAS-BOT-BC95231  Pseudostellaria jamesiana Bruce Bartholomew; Barrett Anderson 1988-7-21 4455 Modoc Vicinity of Patterson Campground, southern end of the Warner Mts. 2190 Comment
  POM260290  Pseudostellaria jamesiana C. L. Hitchcock 1940-5-27 6679 Modoc 15 miles northeast of Alturas. 1616 Comment
  SBBG15278  Pseudostellaria jamesiana H. and M. Dearing 1939-6-8 3600 Modoc Pine Cyn, Warner Mtns 1828 Comment
  UC705682  Pseudostellaria jamesiana Marion Ownbey and Fred G. Meyer 1940-7-1 2142 Modoc Cedar Peak , Cedar Peak (Warner Mts.) Comment
  UC465824  Pseudostellaria jamesiana M. F. Gilman 663 Modoc Canyons 1676 Comment
  SD149210  Pseudotsuga menziesii B. Bartholomew 1992-5-14 6273 Modoc Northeast side of White Horse Mountains, southwest of White Horse Flat Reservoir. 1399 Comment
Read comments
Aug 12 2008
  CAS-BOT-BC50384  Psilocarphus brevissimus var. brevissimus Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-15 16511 Modoc 13 mi. W of Canby, along Hwy 139. Comment
  CHSC107373  Psilocarphus oregonus Lowell Ahart; John Dittes 2011-6-22 17552 Modoc About 50 yards east of the road, about 100 yards northeast of the Pilot Butte Parking Lot, north edge of Ash Creek Floodplain, 1.1 miles (air) south of County Road 87, 7.7 miles (air) west of Aden, 10 miles (air) east of Lookout, Big Valley. 1264 Comment
  UC748233  Pterospora andromedea Annie M. Alexander and Louise Kellogg 1946-8-10 5150 Modoc 1/2 mi beyond Porter Reserve road; Warner Mountains Comment
  UCD91885  Puccinellia lemmonii Beecher Crampton 1954-7-8 2189 Modoc Modoc County, 1.5 miles west of Altura, extension of 4th Street. Comment
  UCD93435  Puccinellia nuttalliana R. Tofsrud 1942-7-1 254 Modoc south end of Goose Lake. Comment
  UCD113280  Purshia tridentata Robbins; Raynor 1943-6-1 s.n. Modoc Between Stronghold and Canby. Comment
  HSC25726  Purshia tridentata var. tridentata D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19408 Modoc Along Hager Basin Rd. near Big Sage Reservoir. Comment
  UC73563  Pyrola asarifolia Milo S. Baker Modoc Forestdale 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
  UC748277  Pyrola picta Annie M. Alexander and Louise Kellogg 1946-8-8 5119 Modoc Warner Mountains, Deep Creek Canyon, (seen) at the end of Portal Reservation Road Deep Creek Canyon; Warner Mountains, Deep Creek Canyon Comment
  CDA14603  Pyrrocoma carthamoides var. cusickii G. D. Barbe 1991-8-27 4443 Modoc Warner Mountains; east of Bald Mountain, Modoc National Forest. 2316 Comment
  UC584291  Pyrrocoma carthamoides var. cusickii G. L. Stebbins Jr. and J. A. Jenkins 1937-7-15 2374 Modoc open fields center Round Valley (along state highway) 1066 Comment
  RSA606139  Pyrrocoma lanceolata L. C. Wheeler 1935-9-27 4008 Modoc Pease Flat, Devil's Garden. 1524 Comment
  CAS-BOT-BC180127  Quercus garryana var. garryana Leland S. Smith 1922-8-1 1325 Modoc Below Thompson's ranch, Biber Allot. 1371 Comment
  CAS-BOT-BC217299  Ranunculus alismifolius Bruce Bartholomew 1990-6-15 5231 Modoc S end of Deer Spring Ridge, 1.8 km N turn off to Knox Flat near Pot Hole Spring. 1920 Comment
  JEPS81763  Ranunculus andersonii Mary H. Manning Modoc Comment
  HSC31048  Ranunculus aquatilis var. diffusus R. F. Thorne, C. W. Tilforth 1969-9-5 39176 Modoc S Fork of Pit River at bridge 3.8 mi. E of Likely 1387 Comment
  CHSC108007  Ranunculus arvensis Lowell Ahart; John Dittes 2011-6-21 17512 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
  CAS-BOT-BC378944  Ranunculus californicus var. californicus Parkison 1916-6-21 24 Modoc Lassen Forest, meadow at Patterson Camp 1707 Comment
  JEPS124388  Ranunculus cymbalaria Lowell Ahart, John Dittes 2015-7-15 20348 Modoc Ash Creek State Wildlife Area, about 3.9 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. Comment
  RSA0114935  Ranunculus cymbalaria Lowell Ahart, John Dittes 2013-7-24 18938 Modoc South margin of Ash Creek Canal, south of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. 1269 Comment
  HSC39724  Ranunculus cymbalaria var. saximontanus Thomas W. Nelson, James Nelson 1976-8-29 3255 Modoc Modoc National Forest; along Hwy. 299 just N west of Adin Pass 1524 Comment
  UC1101381  Ranunculus cymbalaria var. saximontanus Herbert L. Mason and Verne Grant 1947-7-12 13387 Modoc irrigation ditch by Jones' Lane (off Hwy 395, several mi s of Alturas) Comment
  POM261553  Ranunculus flabellaris Alice Eastwood, John T. Howell 1940-6-12 8080 Modoc Jess Valley. Comment
  CAS-BOT-BC217250  Ranunculus glaberrimus var. glaberrimus Bruce Bartholomew; Barrett Anderson 1988-5-13 4154 Modoc Along Parker Creek Road, 0.5 km W of West Warner Road on Parker Creek Road, W side of the Warner Mts.. 1650 Comment
  CAS-BOT-BC217204  Ranunculus glaberrimus var. glaberrimus Lindsay Stuart Smith; E. H. Steffen 1917-5-21 4 Modoc West Valley Camp. 1524 Comment
  HSC18230  Ranunculus glaberrimus var. glaberrimus M. G. Burgoyne 1962-4-15 1008 Modoc 20 mi. W of Cedarville on Cedar Pass Hwy. 1524 Comment
  OBI48153  Ranunculus macounii Rhonda Riggins 1989-4-28 1672 Modoc 0.3 mi W West Warner Rd on Parker Crk rd, W side Warner Mts. T41N, R14E, sec 27 Comment
  CAS-BOT-BC217180  Ranunculus occidentalis var. dissectus Annie Montague Alexander; L. Kellogg 1946-6-8 4697 Modoc Road from Eagleville to Patterson Mill. 2286 Comment
  CAS-BOT-BC217224  Ranunculus occidentalis var. dissectus Gordon H. True 1964-6-3 1448 Modoc Surprise Valley, about 5 mi. S of Cedarville. Comment
  CDA24335  Ranunculus occidentalis var. eisenii T. C. Fuller 1963-6-11 10650 Modoc Little Meadow Campground, South Fork of the Pit River, 7.9 miles east of Likely. 0 Comment
  POM400015  Ranunculus occidentalis var. eisenii Christopher Davidson 1973-5-24 2099 Modoc S of Alturas on Hwy 395 near Likely. 1311 Comment
  CHSC85193  Ranunculus occidentalis var. occidentalis John Dittes; Josephine Guardino 1991-6-1 352 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
  SEINET12091408  Ranunculus orthorhynchus A. Seneres, Harold, N. 1983-1 106 Modoc Warner Mts Comment
  POM99859  Ranunculus repens R. M. Austin 1895-06 407 Modoc Goose Lake Valley. Comment
  CAS-BOT-BC217191  Ranunculus sceleratus Annie Montague Alexander; L. Kellogg 1946-6-7 4674 Modoc 2 mi. E of Cedarville. 1453 Comment
  UC1191470  Ranunculus sceleratus Herbert L. Mason and Verne Grant 1947-7-12 13430 Modoc s loop of w side road Likely Comment
  CAS-BOT-BC217198  Ranunculus sceleratus var. multifidus R. M. Austin 1894-1-1 Modoc Fletcher Creek. Comment
  SJSU9663  Ranunculus testiculatus Wayne Savage 1979-7-9 1506 Modoc by ranch house, Round Valley, Triangle, Devils Garden District, Modoc National Forest 1493 Comment
  CAS-BOT-BC217165  Ranunculus uncinatus Roxana Stinchfield Ferris; R. Duthie 1919-6-13 27 Modoc Parker Creek near Modoc Nat. Forest Boundary. Comment
  CAS-BOT-BC217166  Ranunculus uncinatus Elmer Ivan Applegate 1932-7-31 7973 Modoc Mill Creek Meadows, west slope of Warner Mts. Comment
  CAS-BOT-BC217157  Ranunculus uncinatus Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16395 Modoc along Thomas Creek, 6.1 mi. E of California State Highway 299 on road to Cedarville Comment
  NY495029  Ranunculus uncinatus M. J. Williams 1984-6-30 8479- 3 Modoc 5.7 miles west of Cedarville-Gerlach road on Granger Canyon road. Warner Mountains. 1859.3 Comment
  UC485337  Ranunculus uncinatus Mrs. M. H. Manning 1905-6-12 712 Modoc Warner Range; ne Modoc Co. 1524 Comment
  CAS-BOT-BC58197  Rhododendron columbianum Elmer I. Applegate 1932-8-6 8210 Modoc Just above Lily Lake, Bidwell Pass, Warner Mts. Comment
  RSA520469  Rhus trilobata Bruce Bartholomew, B. Anderson 1989-4-27 4622 Modoc Little Hot Springs Valley, 2.9 km. NW of Day 1080 Comment
  CAS-BOT-BC225853  Ribes aureum Belknap C. Goldsmith 1910-4-25 1 Modoc Pitt River, Alturas. 1341 Comment
  CAS-BOT-BC225857  Ribes aureum Elmer Ivan Applegate 1929-7-29 6089 Modoc N side of Clear Lake. Comment
  POM141887  Ribes aureum M. S. Baker 1893-1 117 Modoc Egg Lake Comment
  CAS-BOT-BC225865  Ribes cereum Annie Montague Alexander; L. Kellogg 1946-6-27 4849 Modoc Highgrade, top of ridge, two miles by road from Dismal Swamp, N end of Warner Mts. 2377 Comment
  CAS-BOT-BC225866  Ribes cereum Robert J. Weatherby 1955-7-7 1606 Modoc 7 mi. N of Ft. Bidwell. 1889 Comment
  CAS-BOT-BC225880  Ribes cereum Elmer Ivan Applegate 1932-7-31 7984 Modoc Mill Creek Meadow, Warner Mts. Comment
  CAS-BOT-BC225891  Ribes cereum G. Schoolcraft 1988-7-12 1825 Modoc E slope at lower part of N Deep Creek. 1554 Comment
  CAS-BOT-BC248354  Ribes cereum B. Bartholomew; H. Sun 2002-6-24 8837 Modoc Ca. 1 km NW of Bald Mt., E side of the Warner Mountains 2290 Comment
  JEPS43511  Ribes cereum Frances D. Payne 1931-6-10 142 Modoc s and e Alturas (Parker Creek); Warner Mountains 1584 Comment
  JEPS49422  Ribes cereum W. L. Jepson 1918-8-7 7876 Modoc at very summit Mt. Bidwell 2507 Comment
  UC1281034  Ribes cereum H. E. McMinn 1931-5-23 2463 Modoc Cedarville Road Warner Mts. 1889 Comment
  UC73103  Ribes cereum Milo S. Baker 1893-1 Modoc Egg Lake Comment
  CAS-BOT-BC225898  Ribes inerme var. inerme Roxana Stinchfield Ferris; R. Duthie 1919-6-13 55 Modoc Parker Creek near Modoc National Forest Boundary. Comment
  CAS-BOT-BC225900  Ribes montigenum Margaret J. Williams 1984-6-29 84- 71 -2 Modoc Lily Lake, W side of Warner Mts. 2072 Comment
  UC11556  Ribes nevadense Milo S. Baker 1893-6 Modoc Comment
  CAS-BOT-BC225911  Ribes roezlii var. roezlii Bruce Bartholomew; Barrett Anderson 1989-4-27 4623 Modoc Little Hot Spring Valley, 4.0 km NW of Day. 1070 Comment
  CAS-BOT-BC225918  Ribes velutinum E. S. Willits 1940-4-27 191 Modoc Sugar Hill. Comment
  CAS-BOT-BC225920  Ribes velutinum Belknap C. Goldsmith 1910-5-22 9 Modoc Fandango Creek. 1584 Comment
  RSA0019691  Ribes velutinum Bruce Bartholomew, B. Anderson 1989-4-27 4624 Modoc Little Hot Spring Valley, 4 km NW of Day. 1070 Comment
  RSA0019693  Ribes velutinum Beecher Crampton 1954-7-8 2180 Modoc Northeastern edge of Jess Valley, 15 miles east of Likely. Comment
  CAS-BOT-BC225943  Ribes viscosissimum Bruce Bartholomew 1989-7-14 4978 Modoc Vicinity of Upper Rush Creek Camp Ground. 1580 Comment
  SEINET182274 Image available Ribes viscosissimum L. C. Wheeler 1935-8-14 3850 Modoc Warner Mountains; Lily Lake Pine Creek 2073 Comment
  UC748045 Image available Ribes viscosissimum Annie M. Alexander and Louise Kellogg 1946-7-1 4894 Modoc 1/2 mi s Dismal Swamp; Warner Mountains 2255 Comment
  CAS-BOT-BC50370  Rigiopappus leptocladus David Daniels Keck; Jens Chr. Clausen 1935-6-24 3715 Modoc 3 mi. NE of Willow Ranch. 1550 Comment
  CAS-BOT-BC50372  Rigiopappus leptocladus Annie Montague Alexander; L. Kellogg 1946-6-17 4789 Modoc Open plain 10 mi. NE of Alturas, Cedar Pass road. Comment
  CHSC107380  Rigiopappus leptocladus Lowell Ahart; John Dittes 2011-6-22 17546 Modoc On the west side of the road, about 30 yards north of the Pilot Butte Parking Lot, north edge of Ash Creek Floodplain, 1.1 miles (air) south of County Road 87, 7.7 miles (air) west of Aden, 10 miles (air) east of Lookout, Big Valley. 1264 Comment
  CAS-BOT-BC58413  Rorippa curvisiliqua John Thomas Howell 1934-6-30 12296 Modoc Duncan Horse Camp. 1355 Comment
  RSA0042938  Rorippa curvisiliqua Robert F. Thorne, J. Henrickson, C. W. Tilforth 1969-9-4 39111 Modoc On muddy spit and shore of N Fork of Pit River 3.4 mi. N of Alturas where crossed by Highway 395. 1341 Comment
  RSA210832  Rorippa islandica R. F. Thorne, James Henrickson, C. W. Tilforth 1969-9-3 39021 Modoc SE end of Tule Lake Sump 0.5 miles N of turnoff to Lava Beds National Monument, (2.2 miles E of NE entrance to monument) 1265 Comment
  UC1191534  Rorippa nasturtium-aquaticum Verne Grant and Irving Schneider 1947-7-19 8078 Modoc in Pit Valley s Alturas (Williams Ranch, along Southern Pacific right-of-way near East Canal); Pit Valley s of Alturas Comment
  CAS-BOT-BC95041  Rorippa sinuata Annie Montague Alexander; L. Kellogg 1946-6-20 4811 Modoc Eagleville. 1440 Comment
  HSC19613  Rosa woodsii subsp. ultramontana M. T. Milligan 1964-7-1 103 Modoc Rattlesnake Butte Rd. at Pit River. 1372 Comment
  HSC59872  Rosa woodsii subsp. ultramontana J. P. Smith, J. O. Sawyer 1973-8-9 7259 Modoc Blue Lake, Modoc National Forest. 1829 Comment
  JEPS119968  Rosa woodsii subsp. ultramontana Lowell Ahart, John Dittes 2012-7-10 18318 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
  CAS-BOT-BC218253  Rosa woodsii var. ultramontana Fred. P. Cronemiller 1919-6-14 26 Modoc Deep Creek. 1524 Comment
  JEPS45631  Rosa woodsii var. ultramontana W. L. Jepson 1918-8-6 7847 Modoc Fandango Pass Surprise Valley (fields and at summit) 1447 Comment
  JEPS47232  Rosa woodsii var. ultramontana Frances D. Payne 1929-7-19 100 Modoc s and e Alturas; Warner Mountains, Parker Creek 2286 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
  UC452554  Rumex crispus W. P. Taylor and H. C. Bryant 1910-6-11 Modoc S. Fork Pitt River, Alturas Warner Mountains, Pitt River 1402 Comment
  CAS-BOT-BC433491  Rumex fueginus Herbert L. Mason; Verne Grant 1947-7-11 13362 Modoc On Highway 395, 5 miles south of Alturas. Comment
  UCR67035  Rumex maritimus George K. Helmkamp 1990-9-23 J- 13 Modoc Warner Mtns, Goose Lake, within 0.1 mi of the Oregon border 1476 Comment
  NY413155  Rumex maritimus var. fueginus H. L. Mason 1947-7-11 13362 Modoc Irrigation ditch on Highway 395, 5 miles south of Alturas 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
  NY430603  Rumex salicifolius subsp. salicifolius B. M. Bartholomew 1990-7-21 5573 Modoc North Barber Creek, road from Surprise Valley to Patterson Ranger Station, east side of Warner Mountains, near stream 1710 Comment
  CDA23204  Rumex salicifolius var. transitorius T. C. Fuller 1958-7-8 2033 Modoc 4 miles south of Pine Creek. 0 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-BC95279  Sagina saginoides Bruce Bartholomew; Barrett Anderson 1990-7-21 5568 Modoc N Barber Creek, road from Surprise Valley to Patterson Ranger Station, E side of Warner Mts. 1710 Comment
  CAS-BOT-BC245203  Sagittaria cuneata Robert Folger Thorne; C. W. Tilforth 1969-9-4 39058 Modoc 2 mi. W of Davis Creek. 1432 Comment
  UC935737  Sagittaria cuneata Herbert L. Mason and Verne Grant 1947-7-11 13368 Modoc irrigation ditch by Jones Lane off Highway 395 s Alturas Comment
  HSC66122  Sagittaria latifolia J. P. Smith, J. O. Sawyer 1973-8-9 7268 Modoc Blue Lake, Modoc National Forest 1829 Comment
  CAS-BOT-BC225114  Salix boothii Francis Dorris Payne 1932-7-21 729 Modoc marsh S of Mosquito Lake, E side of Mt. Warren (Buck Mt.), Warner Mts., E of Alturas Comment
  POM184887  Salix boothii Frances D. Payne 1932-7-21 729 Modoc Marsh S of Mosquito Lake. E side of Mt. Warren (Buck Mt). Warner Mtns. E of Alturas. Comment
  UC482333  Salix boothii Frances D. Payne 1931-7-7 331 Modoc 33 km. se of Alturas; Warner Mts., Pine Creek Basin 2280 Comment
  UC492373  Salix boothii Frances D. Payne 1932-7-21 728 b Modoc e Alturas (marsh s of Mosquito Lake); Warner Mts., e side Mt. Warren (Buck Mt.) Comment
  UC492378  Salix boothii Frances D. Payne 1932-7-21 729 Modoc e of Alturas (marsh s of Mosquito Lake); Warner Mts., e side Mt. Warren (Buck Mt.) Comment
  SD964  Salix eastwoodiae Frances D. Payne 1931-6-25 275 Modoc Pine Creek Basin, Warner Mountains, about 33 km southeast of Alturas, near spring along creek 2280 Comment
Read comments
Nov 9 2011
  UC481847  Salix eastwoodiae Frances D. Payne 1931-7-8 177 a Modoc ca. 33 km. se Alturas; Warner Mts., Pine Creek Basin 2280 Comment
  UC481862  Salix eastwoodiae Frances D. Payne 1931-6-25 275 Modoc ca. 33 km. se Alturas; Warner Mts., Pine Creek Basin 2280 Comment
  UC748351  Salix eastwoodiae Annie M. Alexander and Louise Kellogg 1946-6-25 4827 Modoc Dismal Swamp; n end Warner Mts. 2255 Comment
  JEPS14860  Salix exigua Frances D. Payne 1931-6-10 139 Modoc Parker Creek Warner Mts. 1584 Comment
  POM218955  Salix exigua H. P. Bracelin 1931-6-30 501 Modoc Alturas. SW end of town. 1360 Comment
  RSA152680  Salix exigua I. L. Wiggins, Dorothy B. Wiggins 1961-6-12 16365 Modoc Pit River. 3.9 miles N of Alturas. Comment
  RSA0030856  Salix exigua H. P. Bracelin 1931-6-30 501 Modoc Alturas. 1360 Comment
  NY187774  Salix lasiandra L. C. Wheeler 1935-8-3 3772 Modoc Pine Creek, Warner Mts. 1554.5 Comment
  CAS-BOT-BC229691  Salix lasiandra subsp. caudata Roxana Stinchfield Ferris; R. Duthie 1919-6-14 188 Modoc Parker Creek near Modoc Nat. Forest Boundary. Comment
  CAS-BOT-BC197561  Salix lasiandra var. lasiandra Elmer Ivan Applegate 1929-6-29 6093 Modoc N side of Clear Lake. Comment
  LA208767  Salix lasiolepis Mrs. H. P. Bracelin; 1931-6-29 487 Modoc Halfway between Adin and Canby 1350.0 Comment
  NY187872  Salix lasiolepis N. F. Bracelin 1931-6-30 492 Modoc Parker Creek, 20 km E of Alturas, meadow south of Payne Ranch 2560 Comment
  UC481935  Salix lasiolepis Mrs. H. P. Bracelin and Miss Frances D. Payne 1931-6-30 492 Modoc 20 km. e. Alturas (Parker Creek, meadow beside creek of Payne Ranch house); Parker Creek 1560 Comment
  CAS-BOT-BC229674  Salix lasiolepis var. lasiolepis Louis Cutter Wheeler 1935-8-3 3771 Modoc Pine Creek, Warner Mts. 1554 Comment
  CAS-BOT-BC229665  Salix lemmonii Elmer Ivan Applegate 1932-7-31 7980 Modoc Mill Creek Meadows, Warner Mts. Comment
  CAS-BOT-BC229666  Salix lemmonii A. D. Borden 1911-5-21 s.n. Modoc SE shore of Goose Lake. Comment
  CAS-BOT-BC229698  Salix lemmonii Francis Dorris Payne 1931-7-7 332 Modoc Pine Creek Basin, Warner Mts., about 33 km SE of Alturas. 2280 Comment
  POM218962  Salix lemmonii Frances D. Payne 1931-7-7 332 Modoc Pine Creek Basin. Warner Mtns. About 33 km SE of Alturas. 2280 Comment
  POM229223  Salix lemmonii Louis C. Wheeler 1935-8-3 3760 Modoc Warner Mountains: Pine Creek. 1738 Comment
  UC472124  Salix lemmonii Mrs. M. H. Manning 1903-4-23 78 Modoc near Fort Bidwell Fort Bidwell; n.e. Modoc Co. Comment
  SEINET10417376  Salix lucida subsp. lasiandra E. K. Balls 1950-5-20 14794 Modoc South Fork Pit River, South Fork Public Camp. 1433 Comment
  CAS-BOT-BC229680  Salix lutea Belknap C. Goldsmith 1910-4-28 2 Modoc Alturas on Pitt River. Comment
  CHSC100505  Salix lutea Lowell Ahart; John Dittes 2008-8-25 15303 Modoc On the west bank of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-notheast of Lookout. 1273 Comment
  SD908  Salix lutea Mrs. H. P. Bracelin, Miss Frances D. Payne 1931-6-30 499 Modoc Perker creek, 20 km east of Alturas, in meadow south of Payne Ranch 1559 Comment
  NY188138  Salix pseudocordata F. D. Payne 1932-7-21 728 -a Modoc East side of Mt. Warren (Buck Mt.), Warner Mts., east of Alturas Comment
  CAS-BOT-BC229837  Salix scouleriana C. L. Hitchcock 1940-5-27 6698 Modoc 15 mi. NE of Alturas. 1615 Comment
  NY188195  Salix scouleriana L. C. Wheeler 1935-8-3 3759 Modoc Pine Creek, Warner Mts. 1737.4 Comment
  CAS-BOT-BC95557  Salsola paulsenii Thomas C. Fuller 1964-10-8 12698 Modoc Levee road across S end of Goose Lake, ca. 5 mi. W of Davis Creek. Comment
  CHSC112841  Salsola tragus Lowell Ahart; John Dittes 2013-7-25 18969 Modoc Elkins Lane Parking Area, west of the old barn, on the west side of Elkins Lane, Ash Creek State Wildlife Area, 320 feet north of Lassen County Line, about 4.4 miles (air) west of Adin, about 7.2 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  RSA628302  Salsola tragus L. C. Wheeler 1973-1 s.n. Modoc North end of Big Mud Lake. 1645 Comment
  RSA518915  Salvia aethiopis George K. Helmkamp 1990-9-23 H- 5 Modoc [No location information provided on label.] 1341 Comment
  CAS-BOT-BC179243  Salvia dorrii var. dorrii Kay Paulson; Richard Paulson 1988-5-24 16 Modoc Granger Canyon, Warner Mts.. 1493 Comment
  UC1036008  Salvia dorrii var. dorrii Helen K. Sharsmith 1955-6-23 4491 Modoc 6.7 mi e Cedar Campground (State Highway 28); Warner Mountains, Modoc National Forest 1859 Comment
  UC585165  Salvia dorrii var. dorrii E. B. Babcock, G. L. Stebbins Jr. 1936-6-9 1819 Modoc about 3 mi w Cedarville; Warner Mountains, Cedar Creek Canyon 1524 Comment
  CAS-BOT-BC238784  Sambucus nigra subsp. caerulea Mrs. C. C. Bruce 1894-7-1 57 Modoc Davis Creek Comment
  JEPS45504  Sanguisorba annua W. L. Jepson 1918-8-12 7957 Modoc Jess Valley 1584 Comment
  JEPS1016  Sanicula graveolens M. S. Baker and Franklin P. Nutting 1894-6-15 Modoc Big Valley Mountains Comment
  UC1598741  Sanicula graveolens M. S. Baker and Frank Nutting 1894-6-15 Modoc Forestdale Comment
  SD134008  Saponaria officinalis B. Bartholomew 1989-8-10 5050 Modoc North side of Widow Valley, 10.1 km east of Day on County Road 94. Comment
  CAS-BOT-BC95567  Sarcobatus vermiculatus A. D. Borden 1910-1-1 Modoc Buck Mt. Ranger Station, Fandango Valley. Comment
  OBI17180  Sarcobatus vermiculatus H. E. McMinn 1931-5-23 2459 Modoc Middle Lake Comment
  CAS-BOT-BC225961  Saxifraga nidifica var. nidifica K. Paulson; Robert Paulson 1989-6-28 154 Modoc Vicinity of Granger Creek, E side of the Warner Mts. 1905 Comment
  JEPS47516  Saxifraga nidifica var. nidifica Mrs. M. H. Manning 1903-10-11 33 Modoc Warner Range, north-eastern Modoc County Warner Range 1524 Comment
  NY784264  Saxifraga oregana var. oregana B. M. Bartholomew 1988-6-24 4367 Modoc Vicinity of Patterson Campground, southern end of the Warner Mountains. Emerson Peak 7 1/2' Quad. 2190 Comment
  UCD143730  Schoenoplectus americanus Herbert L. Mason 1947-8-11 1349 Modoc on Highway 81, west margin of Lower Lake, near boundary between Lassen and Modoc counties. Comment
  CAS-BOT-BC245111  Schoenoplectus pungens Robert Folger Thorne; et al 1969-9-4 39072 Modoc S end of Goose Lake. 1432 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
  UC1100762  Scirpus acutus var. occidentalis Herbert L. Mason, Verne Grant 1947-7-19 8061 Modoc Eastside Canal about one mi s Bayley's Bridge (s of Alturas); , Eastside Canal Comment
  UC1100769  Scirpus acutus var. occidentalis Herbert L. Mason, Verne Grant 1947-7-11 13365 Modoc on Highway 395 5 mi s Alturas; on Highway 395 5 mi s of Alturas Comment
  CAS-BOT-BC245118  Scirpus microcarpus Bruce Bartholomew; Barrett Anderson 1990-7-19 5425 Modoc Top of Hunters Ridge S of Rush Creek. 1960 Comment
  CAS-BOT-BC245120  Scirpus microcarpus Bruce Bartholomew 1989-8-11 5062 Modoc Along Lassen Creek near SE side of Harris Flat, Warner Mountains. 1920 Comment
  CHSC100354  Scirpus microcarpus Lowell Ahart; John Dittes 2008-8-26 15354 Modoc On the bottom of Rose Creek, 250 feet southwest of confluence of Rose Creek and Pit River, on the northwest side of unnamed road, 3160 feet east of intersection with County Road 85a, 9.3 miles (air) north-northeast of Lookout. 1276 Comment
  RSA504649  Scirpus microcarpus Bruce Bartholomew, B. Anderson 1988-7-21 4604 Modoc Above Upper Rush Creek Campground ca. 4 km. E of State Highway 299 between Adin and Canby. 1580 Comment
  RSA59522  Scrophularia lanceolata E. K. Balls 1950-5-21 14820 Modoc Opposite South Fork Public Camp, South Fork Pit River. 1479 Comment
  CAS-BOT-BC179218  Scutellaria nana B. Bartholomew 1995-6-2 6945 Modoc About 0.3 km E of Barrel Spring road on road from Fort Bidwell to Fee Reservoir. 1510 Comment
  CAS-BOT-BC179220  Scutellaria nana B. Bartholomew; Barrett Anderson 1989-6-2 4809 Modoc 9.3 km E of Fort Bidwell on road to Fee Reservoir, NE corner of Surprise Valley. 1580 Comment
  CAS-BOT-BC95609  Sedum lanceolatum Elmer Ivan Applegate 1932-8-9 8179 Modoc Arid summit of Cedar Mountain, Cedar Pass, Warner Mts. Comment
  CHSC70723  Sedum lanceolatum S. Stearns 1996-7-3 2231 Modoc N of Bidwell Mtn. just W of Rd. On talus scree bluff, west side of road to Bidwell Mtn. 2286 Comment
  UC1601851  Sedum lanceolatum M. F. Gilman 513 Modoc Comment
  CAS-BOT-BC95615  Sedum stenopetalum subsp. stenopetalum Francis Dorris Payne 1931-6-11 147 Modoc Parker Creek, Warner Mts. 1584 Comment
  SD87796  Sedum stenopetalum subsp. stenopetalum Frank W. Peirson 1926-6-25 6866 Modoc Cedarville road, Warner Mountains, west slope. Comment
  CAS-BOT-BC50338  Senecio aronicoides Robert Patterson; Mona Bourell 1993-8-15 5269 Modoc Warner Mountains. Along trail from Patterson Lake to ca. 2 mi north towards Pepperdine Trailhead. 2743 Comment
  RSA0012427  Senecio aronicoides Bruce Bartholomew, B. Anderson 1988-6-24 4364 Modoc Vicinity of Patterson Campground, southern end of the Warner Mountains. 2190 Comment
  RSA155790  Senecio eurycephalus P. H. Raven 1962-5-29 17892 Modoc Six miles east of Alturas. Comment
  CAS-BOT-BC50278  Senecio fremontii var. fremontii Annie Montague Alexander; L. Kellogg 1946-7-29 5084 Modoc Head of Eagle Creek, Warner Mts. Comment
  UC91663  Senecio hydrophilus Mrs. R. M. Austin Sept 1894 Modoc shores Goose Lake Comment
  CAS-BOT-BC50294  Senecio integerrimus var. exaltatus John Thomas Howell 1934-6-13 12046 Modoc Fandango Pass, Warner Mountains 1828 Comment
  JEPS29207  Senecio integerrimus var. exaltatus Lauramay T. Dempster 1961-6-18 1688 Modoc peak just s Cedar Pass Comment
  JEPS37283  Senecio integerrimus var. exaltatus Milo S. Baker 1893-6-25 Modoc Comment
  JEPS37286  Senecio integerrimus var. exaltatus N. T. Mirov 1929-6-22 Modoc near Fort Bidwell (e slope of Warner Mountains); Warner Mountains 2286 Comment
  JEPS5944  Senecio integerrimus var. exaltatus Frances D. Payne 1931-6-29 298 Modoc e of Warren Peak; Warner Mountains, Owl Creek 2133 Comment
  JEPS5946  Senecio integerrimus var. exaltatus Frances D. Payne 1931-6-22 235 Modoc s and e Alturas (n tributary of Dry Creek); Warner Mountains, Parker Creek, Dry Creek 1828 Comment
  RSA0124948  Senecio integerrimus var. exaltatus Clare B. Hardham 1961-6-18 7563 Modoc Warner Mountains. Hills 3 miles southeast of Cedar Pass. 1829 Comment
  SEINET2443983  Senecio multilobatus Unknown 1955-6-25 4507 Modoc North slope of Jess Valley. 1585 Comment
  JEPS37202  Senecio serra var. serra W. L. Jepson 1918-8-9 7914 Modoc Ft. Bidwell 1432 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
  RSA503243  Senecio triangularis Bruce Bartholomew, B. Anderson 1988-7-22 4533 Modoc Mill Creek, Lake City Canyon, 5.5 km west of Lake City, east side of the Warner Mountains 1860 Comment
  UC748200  Senecio triangularis Annie M. Alexander and Louise Kellogg 1946-7-17 5000 Modoc edge South Fork Davis Creek (Plum Valley Camp, Warner Mountains); Warner Mountains, , Plum Valley Camp Comment
  RSA0011805  Shepherdia argentea W. P. Taylor, H. C. Bryant 1910-8-5 s.n. Modoc Warner Mountains, 5 mi. s. of Cedarville. 1433 Comment
  CAS-BOT-BC225039  Sibbaldia procumbens Annie Montague Alexander; L. Kellogg 1946-6-14 5069 Modoc Horse Mountain, Warner Mts. Comment
  HSC16023  Sidalcea oregana M. T. Milligan 1966-7-5 553 Modoc Slopes and ridges E of Jess Valley 1768 Comment
  SBBG101312  Sidalcea oregana R. R. Halse 1991-7-28 4246 Modoc St Hwy 139, 13 mi NW of its jct with St Hwy 299 1469 Comment
  CAS-BOT-BC179072  Sidalcea oregana subsp. oregana Roxana Stinchfield Ferris; R. Duthie 1919-6-15 97 Modoc Above Parker Creek, 1.5 mi. above Modoc Nat. Forest Boundary. 1981 Comment
  CAS-BOT-BC179079  Sidalcea oregana subsp. oregana Belknap C. Goldsmith 1912-8-23 68 Modoc Near Alturas. 1341 Comment
  CAS-BOT-BC179085  Sidalcea oregana subsp. oregana Bruce Bartholomew 1991-6-21 5829 Modoc W side of Goose Lake, 1.4 km N of junction with Forest Service road 73. 1450 Comment
  CAS-BOT-BC179086  Sidalcea oregana subsp. oregana Leland S. Smith 1922-7-23 1309 Modoc Grouse Mt. 1981 Comment
  UC108917  Sidalcea oregana subsp. oregana Mrs. R. M. Austin Jul 1884 Modoc Goose Lake Valley Comment
  UC18887  Sidalcea oregana subsp. oregana Milo S. Baker Jul 11 1893-Jan 1 1900 Modoc Comment
  CAS-BOT-BC179060  Sidalcea oregana subsp. spicata Annie Montague Alexander; L. Kellogg 1946-7-11 4976 Modoc Mesa W of Eight Mile Creek. Comment
  UC8414  Silene antirrhina Milo S. Baker 1893-6-14 Modoc Island , Island (Egg Lake) Comment
  UC711864  Silene douglasii Roxana S. Ferris and Laura Lorraine 1941-8-14 10610 Modoc on road between Fort Bidwell and Pine Creek (summit of Fandango Pass, Warner Mountains); Modoc National Forest, Warner Mountains, Fandango Pass 1889 Comment
  UC120177  Silene douglasii Mrs. R. M. Austin July, 1887 Modoc Hills Comment
  CAS-BOT-BC248373  Silene douglasii var. douglasii B. Bartholomew; H. Sun 2002-6-24 8864 Modoc Fandango Pass on the E side of the Warner Mountains near the crest of the mountains 1820 Comment
  CAS-BOT-BC95245  Silene douglasii var. douglasii Annie Montague Alexander; L. Kellogg 1946-7-24 5073 Modoc Horse Mountain, Warner Mts. Comment
  HSC80712  Silene douglasii var. douglasii G. M. Riegel 1980-7-21 912 Modoc S Warner Mtns. 1670 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
  HSC25438  Silene lemmonii D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19465 Modoc Upper Rush Creek Campground, about 8 mi. N of Adin on Hwy. 299 Comment
  UC748475  Silene oregana Annie M. Alexander and Louise Kellogg 1946-8-9 5139 Modoc Patterson Lake Trail Warner Mountains, Patterson Lake Trail Comment
  HSC6905  Sisymbrium altissimum M. T. Milligan 1965-6-26 337 Modoc N end Jess Valley. 1616 Comment
  SEINET10735739  Sisymbrium altissimum Andrew Townesmith, Karen M. Meyer 2007-9-15 Townesmith 932 Modoc Modoc National Forest, Warner Mountain Ranger District. Cedar Creek Upper Trailhead, 0.6 miles off state route 299 on Forest Service road 195. T43N R15E S33. 1948 Comment
  JEPS62134  Smilacina racemosa Leland S. Smith 1918-6-22 953 Modoc Lily Lake Modoc National Forest, High Grade District (near stream) Comment
  CDA5946  Solanum dulcamara G. Deal 1963-7-19 Modoc Tulelake Irrigation District, Tulelake. 0 Comment
  UCD126921  Solanum dulcamara W. A. Harvey 1954-6-3 s.n. Modoc Rob Flournoy Ranch, 3 miles southwest of Likely. Comment
  CHSC117255  Solanum physalifolium var. nitidibaccatum Lowell Ahart; John Dittes 2016-7-14 21199 Modoc Strand of a new pond, south of Ash Creek Canal (now filled in), south of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. 1273 Comment
  CAS-BOT-BC245427  Solanum triflorum John Thomas Howell 1934-7-1 12310 Modoc Duncan House Camp 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
  CAS-BOT-BC245436  Solanum umbelliferum Bruce Bartholomew 1992-5-17 6346 Modoc SW side of White Horse Mountains, SW of White Horse Flat Reservoir. 1460 Comment
  UCR64879  Solidago canadensis George K. Helmkamp 1990-9-23 H- 2 Modoc US Hwy 395, 13 mi north of Likely 1345 Comment
  UC1999883  Solidago spectabilis J. C. Semple, B. A. Suripto, T. Ahmed 1990-8-12 9299 Modoc CA-299, 12.5 km W of Alturas, straight N of Rattle Snake Butte. Comment
  JEPS114432  Solidago velutina subsp. californica Lowell Ahart, John Dittes 2008-8-26 15343 Modoc On the banks of Rose Creek, 250 feet southwest of the confluence of Rose Creek and Pit River, on the northwest side of unnamed road, 3,160 feet east of intersection with County Road 85a, 9.3 miles (air) north-northeast of Lookout 1276 Comment
  CHSC117361  Sonchus asper subsp. asper Lowell Ahart; John Dittes 2016-7-14 21157 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
  RSA534707  Sorbus scopulina Bruce Bartholomew 1991-7-6 6000 Modoc Rush Creek above Upper Rush Creek Camp Ground. 1580 Comment
  RSA210797  Sparganium angustifolium subsp. emersum Robert F. Thorne, James Henrickson, C. W. Tilforth 1969-9-4 39096 Modoc N Fork of Pit River 3.4 mi N of Alturas where crossed by Highway 395. 1341 Comment
  JEPS119852  Sparganium emersum Lowell Ahart, John Dittes 2012-7-10 18326 Modoc Ash Creek State Wildlife Area, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley. Comment
  CAS-BOT-BC242299  Sparganium eurycarpum subsp. eurycarpum Elmer Ivan Applegate 1929-7-29 6088 Modoc Clear Lake Dam. Comment
  JEPS45016  Spiraea douglasii Milo S. Baker 1893-7-12 Modoc Forestdale Comment
  CAS-BOT-BC242204  Spiranthes romanzoffiana Francis Dorris Payne 1932-8-1 755 Modoc Field redacted by CAS, contact the data manager for more information 1584 Comment
  RSA382215  Spiranthes romanzoffiana J. P. Smith, J. O. Sawyer 1973-8-9 7280 Modoc Blue Lake, Modoc National Forest 1829 Comment
  CHSC99244  Spirodela polyrhiza Lowell Ahart; John Dittes 2008-6-21 15007 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
  RSA233789  Spirodela polyrhiza Robert F. Thorne, C. W. Tilforth 1969-9-5 39148 Modoc North of South Fork of Pit River above jct. with West Creek at Public Campground, ca. 6 mi. E of Likely. 1402 Comment
  JEPS404  Spirodela polyrhiza W. L. Jepson 1918-8-5 7822 Modoc South Fork Valley 1371 Comment
  RSA577794  Spirodela polyrhiza L. C. Wheeler 1935-8-6 3791 Modoc Pine Creek, Warner Mountains 1555 Comment
  CAS-BOT-BC179211  Stachys pilosa B. Bartholomew 1990-8-3 5613 Modoc 8 km E of Likely on road to Jess Valley. Along S Fork of the Pit River. 1420 Comment
  SEINET5337009  Stellaria jamesiana M. J. Williams 1984-6-28 84- 67 -3 Modoc 2 miles north of intersection between Soldier Creek and Old cannon Mill roads. Warner Mtns, north of Cedar pass. 2057 Comment
  NY482949  Stellaria longipes B. M. Bartholomew 1988-7-22 4515 Modoc Southeast side of Sunflower Knob, southern end of the Warner Mountains; Emerson Peak 7 1/2' Quad. 2160 Comment
  UC1191455  Stellaria longipes var. longipes Verne Grant and Irving Schneider 1947-8-28 8336 Modoc nw of Alturas (Jack Swamp); Jack Swamp Comment
  JEPS31317  Stenotus acaulis Mrs. R. M. Austin and Bruce 1898-6-18 2135 Modoc Lake City, Mt. 2133 Comment
  RSA164370  Stenotus acaulis Clare B. Hardham 1961-6-18 7570 Modoc Hills S of Cedar Pass. 1829 Comment
  POM172669  Stephanomeria lactucina Franklin P. Nutting s.n. Modoc Big Valley Mtns. Comment
  CAS-BOT-BC54269  Stephanomeria spinosa Roxana Stinchfield Ferris; L. Lorraine 1941-8-14 10617 Modoc Summit of Fandango Pass. 1889 Comment
  UCR34680  Stipa nevadensis J. A. Harpel 1981-8-6 V 12 Modoc Warner Mtns, South Warner Wilderness Area: E end of Patterson Lake, 7 mi NW of Eagleville 2744 Comment
  CAS-BOT-BC95051  Streptanthella longirostris Bruce Bartholomew 1994-5-15 6691 Modoc E of Eagleville near the Eagleville Airport, Surprize Valley. 1380 Comment
  NY188817  Streptanthella longirostris B. M. Bartholomew 1994-5-15 6691 Modoc E of Eagleville near the Eagleville Airport, Surprize Valley. 1380 Comment
  NY188820  Streptanthella longirostris B. M. Bartholomew 1993-5-10 6460 Modoc Near Eagleville Airport, E side of Surprise Valley. 1400 Comment
  CAS-BOT-BC95056  Streptanthus cordatus var. cordatus Elmer Ivan Applegate 1932-7-6 8217 Modoc Summit of Yellow Mountain, Bidwell Pass, Warner Mts. Comment
  CAS-BOT-BC95061  Streptanthus cordatus var. cordatus Francis Marion Ownbey; Frederick Gustav Meyer 1940-7-1 2135 Modoc Cedar Pass, Warner Mts. Comment
  CAS-BOT-BC95066  Streptanthus cordatus var. cordatus Bruce Bartholomew 1990-6-17 5342 Modoc W side of Fandango Pass near the summit, Warner Mountains. Comment
  POM208868  Stuckenia pectinata Milo S. Baker 1899-8-24 s.n. Modoc In Pit River at lookout. Comment
  SJSU9599  Stylocline psilocarphoides W. Savage 1979-7-5 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
Read comments
Dec 18 2006
  JEPS90827  Suaeda calceoliformis Dean W. Taylor 1989-8-4 10426 Modoc 2.5 mi e of Eagleville (between Middle Lake and Lower Lake, Modoc Plateau, Surprise Valley); Modoc Plateau, Surprise Valley 1341 Comment
  CAS-BOT-BC180107  Swertia albicaulis var. albicaulis Leland S. Smith 1919-5-8 1096 Modoc Above Clarke Ranch, Jess Valley. 1676 Comment
  CAS-BOT-BC180112  Swertia albicaulis var. albicaulis Bruce Bartholomew 1991-6-20 5776 Modoc Junction of county roads 87 and 90. 1220 Comment
  UC748426  Swertia albicaulis var. albicaulis Annie M. Alexander and Louise Kellogg 1946-7-7 4941 Modoc Eight Mile Creek, ne corner of Modoc County Eight Mile Creek 1752 Comment
  UC22713  Swertia albicaulis var. nitida Milo S. Baker 1894-6-13 Modoc near Egg Lake Comment
  CAS-BOT-BC95184  Symphoricarpos rotundifolius var. rotundifolius Leland S. Smith 1924-6-23 1432 Modoc Lava bed west of Happy Camp. Comment
  CAS-BOT-BC95203  Symphoricarpos rotundifolius var. rotundifolius Robert Patterson; Mona Bourell 1993-8-15 5251 Modoc Warner Mountains. Along trail from Patterson Lake to ca. 2 mi north towards Pepperdine Trailhead. 2743 Comment
  HSC4012  Symphoricarpos rotundifolius var. rotundifolius M. T. Milligan 1966-7-3 541 Modoc Slopes and ridges E of Jess Valley. 1768 Comment
  JEPS22036  Symphoricarpos rotundifolius var. rotundifolius Herbert L. Mason 1948-7-18 13619 Modoc Cedar Pass; Warner Mountains Comment
  UC102256  Symphoricarpos rotundifolius var. rotundifolius Mrs. R. M. Austin Aug 1894 230 Modoc Lassen Creek Comment
  UC416731  Symphoricarpos rotundifolius var. rotundifolius Mrs. M. H. Manning 1907-1 Modoc e side Mt. Bidwell (12 Mile Creek, ne Modoc County); 12 Mile Creek Comment
  HSC5053  Symphyotrichum foliaceum M. S. Baker 1898-1 Modoc Forestdale Comment
  CAS-BOT-BC15154  Symphyotrichum foliaceum var. parryi Bruce Bartholomew 1989-8-11 5087 Modoc Vicinity of Patterson Ranger Station, S end of Warner Mountains. 2160 Comment
  CAS-BOT-BC15223  Symphyotrichum foliaceum var. parryi Annie Montague Alexander; L. Kellogg 1946-8-9 5145 Modoc Patterson Lake Trail, Warner Mountains Comment
  CAS-BOT-BC15157  Symphyotrichum frondosum Leland S. Smith 1922-10-22 1338 Modoc Along shore of Clear Lake 1341 Comment
  JEPS89332  Symphyotrichum frondosum Dean W. Taylor 1987-8-25 9281 Modoc near the outlet dam Clear Lake Reservoir; Modoc Plateau, Clear Lake Reservoir Quad. 1371 Comment
  UC71823  Symphyotrichum frondosum Mrs. M. H. Manning 1903-8-1 265 Modoc near, ne Modoc Co Fort Bidwell Comment
  CAS-BOT-BC15176  Symphyotrichum spathulatum var. spathulatum E. S. Willits 1939-10-10 167 Modoc Surprise Valley. 1371 Comment
  CAS-BOT-BC232364  Synthyris missurica Elmer Ivan Applegate 1932-8-2 8089 Modoc Mill Creek Meadow. Comment
  UC748173  Synthyris missurica Annie M. Alexander and Louise Kellogg 1946-6-28 4857 Modoc n end Warner Mountains (Pine Creek Canyon) 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
  RSA427059  Synthyris reniformis Louis C. Wheeler 1935-8-5 3788 Modoc Consolidated Mine, Pine Creek, Warner Mountains 2287 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
  CAS-BOT-BC54275  Taraxacum officinale Bruce Bartholomew; Barrett Anderson 1988-5-12 4111 Modoc S side of Egg Lake. 1300 Comment
  CAS-BOT-BC54234  Tetradymia canescens Bruce Bartholomew; Barrett Anderson 1990-7-21 5565 Modoc N Barber Creek, road from Surprise Valley to Patterson Ranger Station, E side of Warner Mts. 1710 Comment
  SDSU573  Tetradymia glabrata D. F. Howe 1964-8-2 3927 Modoc 9 miles south of Alturas on #395. 1341 Comment
  CAS-BOT-BC217132  Thalictrum fendleri Bruce Bartholomew 1990-8-5 5657 Modoc Summit Trail, ca. 1 km N of Patterson Ranger Station, W side of Warner Mts. 2270 Comment
  SBBG2281  Thalictrum fendleri var. fendleri H. and M. Dearing 1939-6-8 3593 Modoc Pine Cyn, Warner Mtns Comment
  HSC1958  Thalictrum sparsiflorum M. T. Milligan 1966-7-27 588 Modoc E of Jess Valley 1646 Comment
  CAS-BOT-BC95074  Thelypodium flexuosum Bruce Bartholomew 1991-5-24 5696 Modoc Surprise Valley, 5.1 km E of Eagleville. 1370 Comment
  NY215490  Thelypodium flexuosum B. M. Bartholomew 1989-4-29 4704 Modoc Sand Creek, E side of Surprise Valley, ca 10 km E of Cedarville. 426.7 Comment
  NY746808  Thelypodium howellii var. howellii N. H. Holmgren 1998-5-30 12996 Modoc Surprise Valley, Modoc County Road 299, 6.9 km (4.3 mi) east of downtown Cedarville, at a turnoff to some hotsprings 1370 Comment
  CAS-BOT-BC95080  Thelypodium milleflorum Bruce Bartholomew 1990-6-17 5339 Modoc Surprise Valley, SE corner of Upper Alkali Lake. 1390 Comment
  CAS-BOT-BC95082  Thelypodium milleflorum Bruce Bartholomew 1994-5-15 6690 Modoc E of Eagleville near the Eagleville Airport, Surprize Valley. 1380 Comment
  NY215709  Thelypodium milleflorum B. M. Bartholomew 1990-6-17 5339 Modoc Surprise Valley, SE corner of Upper Alkali Lake. 1390 Comment
  CAS-BOT-BC181802  Thermopsis californica var. argentata John H. Hatton 1911-6-15 110 Modoc Modoc County. 1219 Comment
  JEPS65658  Thermopsis macrophylla var. argentata Leo D. Whitney 1935-6-2 3177 Modoc near White Horse Lake (1 mi sw of White Horse) Comment
  UC16384  Thermopsis macrophylla var. argentata Milo S. Baker Aug. 1894 Modoc Big Valley Mts. Comment
  RSA534592  Thinopyrum intermedium Bruce Bartholomew, B. Anderson 1990-7-19 5400 Modoc Turner Creek at County Rd 90, N end of Big Valley, 6.4 km N of Lassen County border. 1230 Comment
  HSC6974  Thlaspi arvense M. T. Milligan 1965-6-23 307 Modoc N end Jess Valley 1616 Comment
  HSC6977  Thlaspi arvense M. T. Milligan 1966-4-18 448 Modoc N end Jess Valley 1616 Comment
  CHSC114923  Thlaspi arvense D. B. Joley 1976-6-23 3 Modoc Likely, near Alturas. Comment
  RSA603593  Thlaspi arvense L. C. Wheeler 1935-8-10 3818 Modoc Dismal Swamp, Twenty Mile Creek. Warner Mtns. 2226 Comment
  CAS-BOT-BC66413  Thysanocarpus curvipes B. Bartholomew; B. Anderson 1989-6-1 4738 Modoc Ca. 0.5 km south of State Higway 299 on road to Shaker Spring. 1420 Comment
  UC131346  Townsendia scapigera J. G. Lemmon May 1879 Modoc Warner's Ranch Sierra Valley Comment
  RSA149069  Tragopogon dubius I. L. Wiggins, Dorothy B. Wiggins 1961-6-13 16443 Modoc Roadside ditch 11 mi. N of Cedarville, in Surprise Valley. Comment
  CAS-BOT-BC54249  Tragopogon pratensis Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-13 16444 Modoc 11 mi. N of Cedarville, Surprise Valley. Comment
  CAS-BOT-BC245223  Tribulus terrestris Bruce Bartholomew 1989-8-10 5037 Modoc Little Hot Spring Valley, 3.2 km NW of Day. 1070 Comment
  JEPS117467  Tribulus terrestris Lowell Ahart, John Dittes 2010-8-31 17132 Modoc West side of Elkins Lane, about 10 yards south 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
  CAS-BOT-BC179200  Trichostema oblongum M. Vasey 1990-6-30 9030 Modoc Near Lava Camp (road end), Egg Lake. 1300 Comment
  HSC14462  Trichostema oblongum D. E. Anderson 1962-8-6 2326 Modoc Along Rush Creek paralleling Hwy. 299, 2 mi. E of Adin Comment
  CAS-BOT-BC181785  Trifolium cyathiferum Leland S. Smith 1917-7-24 128 Modoc Joseph Creek meadow. 1676 Comment
  UC71808  Trifolium cyathiferum Mrs. M. H. Manning 1904-7-7 465 Modoc near Fort Bidwell Comment
  UCD32682  Trifolium cyathiferum Beecher Crampton 1954-7-6 2094 Modoc Road 56, following Shields Creek into Warner Mountains, 22 miles east of Alturas. 1676 Comment
  JEPS33195  Trifolium gymnocarpon var. plummerae L. S. Smith 1917-1 1156 Modoc Mt. Bidwell, E of Cattle Pass 1920 Comment
  JEPS66052  Trifolium kingii var. productum Leland S. Smith 1918-6-23 857 Modoc vicinity Modoc Forest (High Grade) Comment
  CAS-BOT-BC181742  Trifolium longipes Bruce Bartholomew; Barrett Anderson 1989-6-3 4920 Modoc Stone Coal Valley, 3 km E of State Hwy 299. 1400 Comment
  CAS-BOT-BC181749  Trifolium longipes Bruce Bartholomew 1991-7-4 5901 Modoc Roney Flat. 1460 Comment
  HSC15131  Trifolium longipes M. T. Milligan 1966-6-14 457 Modoc N end of Jess Valley 1616 Comment
  RSA503254  Trifolium longipes subsp. multipedunculatum Bruce Bartholomew, B. Anderson 1988-6-24 4305 Modoc Road beyond Poison Lake, ca. 8 km S of the road from Hwy 395 to Lily Lake, Warner Mountains. 2130 Comment
  CAS-BOT-BC181734  Trifolium macrocephalum Annie Montague Alexander; L. Kellogg 1946-6-26 4837 Modoc Dismal Swamp. 2255 Comment
  JEPS65940  Trifolium macrocephalum Frances D. Payne 1929-6-23 26 Modoc S and E of Alturas (Parker Creek); Warner Mountains 1584 Comment
  UC1037201  Trifolium macrocephalum Leo Whitney Modoc near Timbered Mountain (Devil's Garden; NE part of county); Modoc National Forest Comment
  SEINET10487918  Trifolium macrocephalum LeRoy E. Detling 1948-5-24 Detling 6258 Modoc N fk pit river, sec 17, t43n, r14e, sagebrush, juniper, artemisia tridentata, Level plateau, wet scabland in full sun. 1463 Comment
  CAS-BOT-BC180170  Trifolium microcephalum Bruce Bartholomew; Barrett Anderson 1988-6-25 4401 Modoc Ryan Canyon, N of Adin. 1390 Comment
  SEINET7073583  Trifolium microcephalum A. G. Vestal 1955-5-18 s.n. Modoc About 3.7 miles east of Adin on Route