Search Results — 2000 specimen records retrieved (1521 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
  UC1191107  Abies concolor F. H. Frost 1925-7-11 24 Modoc 2 mi above Cedarville; Warner Mts., Cedar Canyon Comment
  UC401289  Abies concolor Mrs. M. H. Manning Modoc Ft. Bidwell Comment
  CAS-BOT-BC15630  Achillea millefolium Bruce Bartholomew; Barrett Anderson 1988-6-24 4362 Modoc Vicinity of Patterson Campground, southern end of the Warner Mts.. 2190 Comment
  CAS-BOT-BC15670  Achillea millefolium Bruce Bartholomew 1989-7-14 4926 Modoc Along Rush Creek between Lower and Upper Rush Creek Campgrounds. 1580 Comment
  CHSC85156  Achillea millefolium John Dittes; Josephine Guardino 1991-7-21 409 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
  HSC4560  Achillea millefolium M. T. Milligan 1965-6-23 297 Modoc N end Jess Valley 1616 Comment
  RSA520361  Achillea millefolium Bruce Bartholomew 1989-7-14 4926 Modoc Along Rush Creek between Lower and upper Rush Creek Campgrounds. 1520 Comment
  CAS-BOT-BC242288  Achnatherum Louis Cutter Wheeler 1935-8-3 3752 Modoc Dismal Swamp. 2225 Comment
  CAS-BOT-BC242325  Achnatherum lemmonii C. L. Hitchcock 1940-5-28 6724 Modoc 15 mi. N of Alturas, near Surprise. 1402 Comment
  UCD32688  Achnatherum lemmonii Beecher Crampton 1954-7-6 2100 Modoc Modoc County, Road 56, following Shields Creek into Warner Mountains, 22 miles east of Alturas. Comment
  UCD50499  Achnatherum lemmonii R. Tofsrud 1947-7-1 245 Modoc Between Canby and Adin, Modoc County. Comment
  UCD50572  Achnatherum lemmonii August L. Hormay 1932-7-16 s.n. Modoc Modoc National Forest, Crowder Ranger Station. Comment
  UCD50646  Achnatherum lemmonii L. Whitney 1935-6-1 3170 Modoc 1 mile southwest of White Horse. Modoc County. Comment
  RSA534593  Achnatherum lemmonii var. lemmonii Bruce Bartholomew, B. Anderson 1990-7-20 5468 Modoc 4 km N of Buck Creek Ranger Station at turn off to Del Prat Spring, W side of Warner Mts. 1900 Comment
  UCD50893  Achnatherum occidentale L. Whitney 1935-7-3 s.n. Modoc Badger Well, Modoc County, California. Comment
  CAS-BOT-BC242314  Achnatherum occidentale subsp. californicum Bruce Bartholomew 1990-8-5 5661 Modoc Summit Trail, ca. 2 km N of Patterson Ranger Station, W side of Warner Mts. 2300 Comment
  JEPS491  Achnatherum thurberianum L. S. Smith 1917-6-20 48 Modoc Warner Mts. 1828 Comment
  POM203131  Achnatherum thurberianum J. T. Howell 1934-6-30 12273 Modoc Duncan Horse Camp. Comment
  UC1031374  Achnatherum thurberianum L. D. Whitney 1935-7-2 3333 Modoc ca. 17 mi nw Canby (Badger Wells); Badger Wells Comment
  JEPS119559  Acmispon americanus var. americanus Lowell Ahart, John Dittes 2012-7-12 18354 Modoc In the parking area on the east side of Elkins Lane, northeast of the homestead, about 300 yards north of the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber Valley. Comment
  NY483173  Aconitum columbianum subsp. columbianum B. M. Bartholomew 1990-7-20 5498 Modoc Tamarack Flat, east side of Warner Mountains. 2150 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-BC218323  Adonis aestivalis Mrs. H. C. Cantelow 1949-6-12 s.n. Modoc About 1 mi. W of Canby. Comment
  CAS-BOT-BC218330  Adonis aestivalis Bruce Bartholomew 1995-6-4 6960 Modoc 1.1 km E of Canby on State Hwy 299. 1280 Comment
  CDA42846  Adonis aestivalis L. 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. Comment
  CAS-BOT-BC218322  Adonis aestivalis Leland S. Smith 1926-7-7 1514 Modoc Near Pit River Ranger Station. 1524 Comment
  RSA520459  Agastache urticifolia K. Paulson, R. Paulson 1989-7-2 166 Modoc Happy Camp Lookout. 1851 Comment
  UC748039  Agastache urticifolia Annie M. Alexander and Louise Kellogg 1946-7-11 4963 Modoc slope w Eight Mile Creek (ne corner of Modoc County); slope w of Eight Mile Creek Comment
  UCR34491  Agastache urticifolia J. A. Harpel 1981-8-7 V- 48 Modoc Warner Mtns, South Warner Wilderness Area: Pine Creek Basin Trail, 7 mi NW of Eagleville 2652 Comment
  POM70467  Agastache urticifolia Mrs. R. M. Austin 1898-06 2195 Modoc Foothills, Goose Lake. Comment
  CAS-BOT-BC15522  Agoseris X dasycarpa Louis C. Wheeler 1935-8-16 3885 Modoc Dismal Swamp, Warner Mtns., Modoc National Forest 2225 Comment
  JEPS5992  Agoseris aurantiaca var. aurantiaca Frances D. Payne 1932-6-26 610 Modoc se of, on high ridges n of Parker Creek Alturas; Warner Mountains, Parker Creek 1828 Comment
  CAS-BOT-BC21366  Agoseris aurantiaca var. aurantiaca L. S. Smith 1920-7-31 1194 Modoc Mill Creek (S) 2133 Comment
  SD46772  Agoseris glauca Robert J. Weatherby 1955-7-8 1617 Modoc 7 miles north of Ft. Bidwell, northern Warner Mountains. 1875 Comment
  JEPS6027  Agoseris glauca var. glauca Frances D. Payne 1932-6-22 577 Modoc s and e of Alturas Alturas; Warner Mountains, Parker Creek 1584 Comment
  CAS-BOT-BC126785  Agoseris parviflora C. L. Hitchcock 1940-5-27 6707 Modoc 15 mi. northeast of Alturas 1676 Comment
  JEPS5993  Agoseris parviflora Frances D. Payne 1932-6-26 612 Modoc s and e, on high ridges n of Parker Creek Alturas; Warner Mountains, Parker Creek 1828 Comment
  UC29392  Agoseris parviflora Mrs. R. M. Austin Jul 1894 Modoc Goose Lake Valley Goose Lake Valley Comment
Read comments
Sep 5 2010
  CAS-BOT-BC242306  Agropyron cristatum Bruce Bartholomew; Barrett Anderson 1990-7-19 5398 Modoc Turner Creek at County Rd 90, N end of Big Valley, 6.4 km N of Lassen County border. 1230 Comment
  RSA218776  Agropyron desertorum R. F. Thorne, James Henrickson, C. W. Tilforth 1969-9-4 39089 Modoc Pit River, N of Alturas 1341 Comment
  UCD32700  Agropyron spicatum Beecher Crampton 1954-7-6 2116 Modoc Modoc County, Road 56, following Shields Creek into Warner Mountains, 22 miles east of Alturas. Comment
  RSA183180  Agrostis Delzie Demaree 1959-8-15 41490 Modoc Davis Creek botoms. Common on creek banks. P.O. Alturas 1454 Comment
  JEPS73941  Agrostis alba Frances D. Payne 1932-7-18 698 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  UC1037168  Agrostis alba Leo Whitney 1935-7-17 3512 Modoc ca 15 mi nw Canby; Modoc National Forest, Lake Joaquina, Hackamore 1463 Comment
  UC1100110  Agrostis alba Verne Grant and Irving Schneider 1947-7-21 8131 Modoc by bridge on Highway 395 (n of Alturas); North Fork of Pit River Comment
  JEPS68382  Agrostis alba Leland S. Smith 1918-1 108 Modoc Comment
  UC1024982  Agrostis exarata Leo Whitney 1935-7-6 3416 Modoc Pitt River near Lookout; Pitt River Comment
  UCD52346  Agrostis exarata August L. Hormay 1932-7-15 s.n. Modoc Pease Cabin, Modoc National Forest. Comment
  UC1025019  Agrostis pallens Leo Whitney 1935-7-12 3501 Modoc dry stream bed 10 mi w Canby; Cottonwood Flat Comment
  UCR67443  Agrostis scabra George K. Helmkamp 1990-9-23 I- 15 Modoc Warner Mtns, Goose Lake, within 0.1 mi of the Oregon border 1476 Comment
  CAS-BOT-BC242419  Agrostis stolonifera Bruce Bartholomew 1989-8-11 5069 Modoc Along Lassen Creek near SE side of Harris Flat, Warner Mountains. 1920 Comment
  SJSU9634  Agrostis stolonifera W. Savage 1979-7-7 1453 Modoc Triangle, west side of Fairchild Swamp Unit, Modoc National Forest 1493 Comment
  CAS-BOT-BC242415  Agrostis variabilis Bruce Bartholomew; Barrett Anderson 1988-7-23 4572 Modoc Dismal Swamp, Warner Mts.. 2180 Comment
  CAS-BOT-BC190684  Aliciella micromeria Bruce Bartholomew; Barrett Anderson 1989-6-2 4820 Modoc Sand dunes at the SE corder of Upper Alkali Lake, E side of Surprise Valley. 1400 Comment
  HSC17011  Aliciella micromeria M. T. Milligan 1964-6-20 48 Modoc E A St. near Hwy. 395, Alturas 1372 Comment
  CAS-BOT-BC245220  Alisma gramineum Herbert Louis Mason 1955-8-13 14653 B Modoc SW side of Goose Lake. Comment
  UCD137903  Alisma gramineum Herbert L. Mason 1955-8-13 14653 A Modoc southwest side of Goose Lake. Comment
  UC1100157  Alisma plantago-aquatica Herbert L. Mason 1955-8-13 14653 C Modoc s end Goose Lake Comment
  CAS-BOT-BC245008  Allium acuminatum Bruce Bartholomew 1989-7-15 4986 Modoc Sweagert Flat. 1860 Comment
  HSC2917  Allium acuminatum M. T. Milligan 1965-6-27 379 Modoc N end Jess Valley 1616 Comment
  JEPS56347  Allium acuminatum L. S. Smith 1918-6-26 938 Modoc Buck Creek Ranger Station Warner Range, Buck Creek Ranger Station 1600 Comment
  SEINET8111991  Allium acuminatum M. J. Williams 1984-1 Modoc Comment
  HSC29864  Allium amplectens D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19477 Modoc Upper Rush Creek Campground about 8 mi. N of Adin on Hwy. 299 Comment
  HSC30076  Allium amplectens D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19428 Modoc Hager Reservoir Comment
  JEPS47569  Allium amplectens L. S. Smith 1920-7-13 1198 Modoc Round Valley, Big Valley District 1371 Comment
  JEPS33070  Allium bisceptrum var. bisceptrum L. S. Smith 1919-6-26 Modoc near New Pine Creek; Warner Mts. 2133 Comment
  RSA540053  Allium lemmonii Bruce Bartholomew, B. Anderson 1989-6-3 4908 Modoc ca. 6 km NW of Egg Lake and ca. 0.8 km E of Service Flat Gulch. 1370 Comment
  CAS-BOT-BC244977  Allium platycaule John H. Hatton 1911-6-13 68 Modoc Rush Creek. 1371 Comment
  HSC81151  Allium platycaule G. M. Riegel 1980-8-13 1056 Modoc South Warner Mtns. 1829 Comment
  JEPS50695  Allium platycaule Wayne Roderick 1963-6-9 Modoc at end of a bad road starting from a camp ground, going n, on the e side of Cedar Pass Warner Mountains, Cedar Pass 2133 Comment
  UC1299753  Allium platycaule Freed W. Hoffman 1955-7-14 4106 Modoc 6 mi e junctions of highways 395 and 8A (s side of road); Cedar Pass 1524 Comment
  JEPS127596  Allium tolmiei var. tolmiei L. P. Janeway, B. Castro 2016-5-18 12063 Modoc Modoc Plateau. Devils Garden area; Island Meadow, along Road 47N08 2.1 road km N of Road 73/181/47N09. Comment
  CHSC30630  Alopecurus Sandra C. Morey 1980-4-26 75 Modoc Hwy. 299, ca. 0.1 mi. n of jctn. with Hwy 139 at Adin. In ditch along roadside. 1280 Comment
  CAS-BOT-BC242301  Alopecurus aequalis Alice Eastwood; John Thomas Howell 1940-6-13 8178 Modoc East side of Cedar Pass. Comment
  CAS-BOT-BC242347  Alopecurus aequalis Herbert Louis Mason 1947-8-13 13520 Modoc NE side of F reservoir, N of Canby. Comment
  JEPS73947  Alopecurus aequalis Frances D. Payne 1932-7-18 698 Modoc s. & e. of Alturas (Parker Creek); Warner Mts., Parker Creek 1584 Comment
  RSA603009  Alopecurus aequalis L. C. Wheeler 1935-10-6 4026 Modoc Lily Lake. Pine Creek, Warner Mts. 2073 Comment
  UC1136996  Alopecurus aequalis August L. Hormay 1932-7-15 Modoc Pease Cabin Modoc Nat'l Forest, Pease Cabin Comment
  UCD55820  Alopecurus aequalis A. A. Beetle 1944-8-15 3024 Modoc 4 miles north of Lookout. Comment
  CAS-BOT-BC242337  Alopecurus geniculatus James D. Jokerst 1983-7-27 1906 Modoc Near Signal Butte. 1340 Comment
  CHSC85101  Alopecurus geniculatus John Dittes; Josephine Guardino 1991-7-21 430 Modoc Modoc Plateau; Big Valley; Ash Creek Wildlife Area; ca. 5.7 air-miles northeast of Bieber, ca. 7.6 air-miles west of Adin, ca. 1.5 air-mile southeast of Pilot Butte summit; meadow at northern edge of Ash Creek Floodplain (Big Swamp) at southeast base of Pilot Butte. 1258 Comment
  RSA739701  Alopecurus geniculatus John Dittes, Josephine Guardino 1991-7-21 430 Modoc Modoc Plateau; Big Valley; Ash Creek Wildlife Area; ca. 5.7 air-miles northeast of Bieber, ca. 7.6 air-miles west of Adin, ca. 1.5 air-mile southeast of Pilot Butte summit;, Northern edge of Ash Creek Floodplain (Big Swamp) at southeast base of Pilot Butte. 1259 Comment
  UCD55890  Alopecurus geniculatus A. L. Hormay 1941-6-23 36 Modoc Modoc National Forest, Spaulding Reservoir. Comment
  CHSC85404  Alopecurus pratensis John Dittes; Josephine Guardino 1991-7-21 431 Modoc Modoc Plateau; Big Valley; Ash Creek Wildlife Area; ca. 5.7 air-miles northeast of Bieber, ca. 7.6 air-miles west of Adin, ca. 1.5 air-mile southeast of Pilot Butte summit, meadow at northern edge of Ash Creek Floodplain (Big Swamp) at southeast base of Pilot Butte. 1258 Comment
  JEPS114845  Alopecurus pratensis Lowell Ahart, John Dittes 2008-6-21 14988 Modoc On dry soil, about 10 yards north of a large culvert, on the large levee mountain meadow, in Big Valley, about 2.8 miles (air) north of the Headquarters at Ash Creek State Wildlife Area, about 5.4 miles (air) northeast of Bieber 1255 Comment
  CAS-BOT-BC21495  Amaranthus albus Bruce Bartholomew 1990-8-3 5602 Modoc Ash Creek Wildlife Refuge, ca. 2.5 km S of County Road 87 and 7 km W of Adin. 1250 Comment
  CDA34280  Amaranthus blitoides L. Ahart, J. Dittes 2010-8-31 17106 Modoc About 10 yards west of Elkins Lane, about 150 yards north of the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, and about 7.7 miles (air) northeast of Bieber, Big Valley. Comment
  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
  SEINET7903489  Amaranthus blitoides R. R. Halse 2010-9-2 8110 Modoc Warner Mountains; Modoc National Forest; along State Hwy. 299 ca 2.8 miles west of Cedarville by the Cedar Creek Lower Trailhead. 1619 Comment
  UCR142726  Amaranthus californicus L. C. Wheeler 1935-8-18 3891 Modoc Great Basin Province; Modoc Plateau, 2 miles northeast of Alturas 1357 Comment
  CDA13478  Amaranthus powellii G. F. Hrusa, T. D. Wilfred 1996-7-21 13325 Modoc Modoc Plateau; Adjacent to Pit River at Modoc Co. Rd. 90 bridge. E base of Splawn Mtn. N end of Big Valley. Comment
  CHSC115592  Amaranthus powellii Lowell Ahart; John Dittes 2015-7-16 20382 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
  UCD97543  Amaranthus powellii Herbert L. Mason; Verne Grant 1947-7-10 13343 Modoc Dorris Reservoir, 2 miles east of Alturas. Comment
  NY849650  Amelanchier alnifolia B. M. Bartholomew 1988-5-13 4174 Modoc 0.6 km north of Jess Valley on West Warner Road, west side of the Warner Mountains 1620 Comment
  RSA453135  Amelanchier pallida Christopher Davidson 1975-6-3 2588 Modoc Hwy 395N of Alturas, E of Goose l. 1 miles S of Willow Ranch. 1341 Comment
  CAS-BOT-BC214629  Amelanchier utahensis Francis Dorris Payne 1929-6-24 22 Modoc Pine Creek above Fitzhugh Springs. 1828 Comment
  CAS-BOT-BC214637  Amelanchier utahensis Belknap C. Goldsmith 1911-5-9 8 Modoc Fandango Creek, W slope Warner Mts. 1584 Comment
  CAS-BOT-BC217090  Amelanchier utahensis Alice Eastwood; John Thomas Howell 1940-6-12 8045 Modoc Between Likely and Jess Valley. 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
  NY849997  Amelanchier utahensis var. utahensis R. M. Austin 07 1898 2343 Modoc Mt. Bidwell 2438 Comment
  CAS-BOT-BC245114  Amphiscirpus nevadensis Edward Kent Balls 1950-5-13 14668 Modoc Goose Lake, E shore near Willow Ranch. 1463 Comment
  UCD48753  Amphiscirpus nevadensis Louis C. Wheeler 1935-9-4 3944 Modoc McGinty Point, Goose Lake, Modoc. Co. 1463 Comment
  CAS-BOT-BC54200  Amsinckia menziesii Alice Eastwood; John Thomas Howell 1940-6-13 8163 Modoc Fort Bidwell. Comment
  CAS-BOT-BC54167  Amsinckia tessellata var. tessellata Elmer Ivan Applegate 1897-5-31 883 Modoc Bloody Point, Tule Lake. Comment
  CAS-BOT-BC54171  Amsinckia tessellata var. tessellata Elmer Ivan Applegate 1936-5-4 10222 Modoc Lava Beds National Monument, Juniper Butte Comment
  CHSC30587  Anemone drummondii P. V. Caldwell 1972-7-13 298 Modoc On the west slope at Patterson Lake in the Warner Mtns. Comment
  JEPS23489  Anemone drummondii Frances D. Payne 1931-6-29 285 Modoc e. side Mt. Warren; Warner Mts., Mt. Warren 2286 Comment
  JEPS33961  Antennaria argentea F. H. Frost 1925-7-11 11 Modoc 2 mi above, Cedar Canyon campsite Cedarville; Cedar Canyon Comment
  JEPS5979  Antennaria dimorpha Frances D. Payne 1932-6-26 603 Modoc s and e of, (high ridges n of Parker Creek) Alturas; Warner Mountains, Parker Creek 1828 Comment
  HSC26517  Antennaria luzuloides J. P. Smith, J. O. Sawyer 1972-5-6 5246 Modoc County Rd. 86, just E of Adin. 1098 Comment
  UC1584636  Antennaria luzuloides Dean Wm. Taylor with Glenn L. Clifton and Rexford E. Palmer 1987-6-7 9014 Modoc se margin, along outlet stream Egg Lake; Upper Modoc Plateau 1280 Comment
  UC585088  Antennaria luzuloides E. B. Babcock, G. L. Stebbins Jr. 1936-6-9 1842 Modoc summit of Cedar Pass; Warner Mts. 1910 Comment
  RSA41983  Antennaria luzuloides H. C. Cantelow 1935-6-8 860 Modoc NE of Bierber Comment
  CHSC66987  Antennaria luzuloides subsp. luzuloides James D. Jokerst 1987-5-11 2822 Modoc Radar Survey site S of Doublehead Mtn., S of Clear Lake Reservoir. 1363 Comment
  UC190692  Antennaria rosea M. F. Gilman 646 Modoc 1676 Comment
  CHSC108010  Apera interrupta Lowell Ahart; John Dittes 2011-6-21 17520 Modoc About 130 yards west of the fence, south edge of the meadow, Ash Creek State Wildlife Area, about 2,300 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  HSC80948  Apocynum androsaemifolium G. M. Riegel 1980-7-14 880 Modoc S Warner Mtns. 1670 Comment
  RSA520458  Apocynum androsaemifolium K. Paulson, R. Paulson 1989-7-2 167 Modoc N side of Pit River ca. 3 mi. E of County Rte. 91. 1579 Comment
  RSA503044  Apocynum androsaemifolium subsp. pumilum K. Paulson, R. Paulson 1988-7-13 77 Modoc Clear Lake area, Warner Mountains Comment
  UCSC000562  Apocynum pumilum F. H. Frost 1925-7-13 70 Modoc Warner Mountians, Cedar Canyon, Mountian roadside Comment
  CAS-BOT-BC248353  Aquilegia formosa B. Bartholomew; H. Sun 2002-6-24 8836 Modoc Ca. 1 km NW of Bald Mt., E side of the Warner Mountains 2290 Comment
  NY485762  Aquilegia formosa M. S. Baker 1893-6-29 s.n. Modoc Comment
  CAS-BOT-BC218340  Aquilegia formosa var. formosa Leland S. Smith 1920-7-13 1176 Modoc Grizzley's. 1554 Comment
  HSC81080  Arabis holboellii var. retrofracta G. M. Riegel 1978-8-25 144 Modoc S Warner Mtns. 1670 Comment
  NY112675  Arabis holboellii var. retrofracta R. C. Rollins 1981-6-1 81197 Modoc Warner Mtns., 4.5 miles E of U.S. Hwy. 395 on road to Lake City Comment
  SEINET3237275 Image available Arabis lemmonii Louise Kellogg, Annie M. Alexander 1946-7-30 5095 Modoc Eagle Peak, Warner Mountains. East slope below summit. Comment
  HSC6566  Arabis sparsiflora var. subvillosa M. T. Milligan 1966-5-14 621 Modoc Plateau W of Jess Valley 1829 Comment
  RSA17681  Arenaria aculeata Elmer I. Applegate 1932-7-9 7600 Modoc North slope of Bidwell Mountain, Warner Mountains Comment
  UC29628  Arnica chamissonis Milo S. Baker 1893-6-20 Modoc Egg Lake Comment
  UCD149890  Arnica chamissonis Harry A. George 1967-6-15 s.n. Modoc Whitehorse Flat Reservoir. Comment
  CAS-BOT-BC15450  Arnica chamissonis subsp. foliosa Bruce Bartholomew 1991-7-5 5944 Modoc North Willow Creek, vicinity of the Oregon border. 1580 Comment
  CAS-BOT-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-BC15410  Arnica cordifolia Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-13 16457 Modoc Near summit of Fandango Pass. Comment
  UC1037303  Arnica cordifolia Leo Whitney 1934-5-5 1608 Modoc 15 mi w of, (at Happy Camp) Canby; Modoc National Forest, Happy Camp 1463 Comment
  UC1437361  Arnica cordifolia Clare B. Hardham 1961-6-18 7587 Modoc Cedar Pass; Warner Mountains 1828 Comment
  HSC81145  Arnica cordifolia G. M. Riegel 1980-7-12 864 Modoc South Warner Mountains 1670 Comment
  JEPS35918  Arnica cordifolia N. T. Mirov 1929-7-4 Modoc 1 mi s Oregon-California boundary; Warner Mountains, Lily Lake 2133 Comment
  RSA504632  Arnica cordifolia Bruce Bartholomew, B. Anderson 1988-6-24 4320 Modoc Lily Lake, W side of the Warner Mountains. Sierran montane forest. 2130 Comment
  JEPS35867  Arnica longifolia W. L. Jepson 1918-8-13 7974 Modoc Eagle Peak Warner Mountains, Eagle Peak 3017 Comment
  CAS-BOT-BC15290  Arnica mollis Bruce Bartholomew 1989-8-11 5063 Modoc Along Lassen Creek near SE side of Harris Flat, Warner Mountains. 1920 Comment
  CHSC109743  Arnica mollis B. Castro; L. P. Janeway 2012-7-27 1976 Modoc Warner Mountains. At upper (SE) edge of Mineral Spring, 0.3 air mi east of Yellow Mountain. Moist opening surrounded by lodgepole pine forest; on NW side of road. 2331 Comment
  RSA520502  Arnica mollis Bruce Bartholomew 1989-8-11 5063 Modoc Along Lassen Creek near SE side of Harris Flat, Warner Mts. 1920 Comment
  CDA1731  Arrhenatherum elatius Loring White 1953-7-2 s.n. Modoc Tom Briles orchard, Davis Creek, Alturas. 0 Comment
  HSC81046  Artemisia arbuscula subsp. arbuscula G. M. Riegel 1980-7-23 928 Modoc S Warner Mtns. 1739 Comment
  SEINET2164562  Artemisia arbuscula subsp. arbuscula A. A. Beetle 1957-8-16 12 , 915 Modoc 15 miles south of Alturas Comment
  JEPS118495  Artemisia cana Chris Boever 2010-8-11 CA 370 -115 Modoc North Cedarville, CA to Fort Bidwell, 13 miles up the Lake Annie road East side of road. Comment
  CHSC67335  Artemisia cana subsp. bolanderi J. D. Jokerst 1986-9-18 2768 Modoc Radar Site Survey S of Doublehead Mtn. Ca. 1.5 mi S of Doublehead Mtn. 1386 Comment
  CDA10171  Artemisia ludoviciana T. C. Fuller 1959-7-8 4729 Modoc Highway 299 at Cloverswale Creek Bridge, 13.5 miles west of Alturas. 0 Comment
  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-BC15210  Artemisia tridentata subsp. tridentata F. Angwin 1945-10-7 s.n. Modoc Big Valley. 1280 Comment
  SEINET3397748  Artemisia tridentata subsp. vaseyana Unknown 1994-1 s.n. Modoc 10 mi. S. of Newell Comment
  UC22986  Asclepias fascicularis Milo S. Baker 1893-7-25 Modoc Egg Lake Comment
  POM76170  Asclepias fascicularis Mrs. R. M. Austin s.n. Modoc Goose Lake Valley Comment
  RSA263865  Aster ascendens C. W. Tilforth, Dorothy Tilforth 1975-03 1150 Modoc C. 5 miles NW of Bishop, Hiway 395, along Owens River 2134 Comment
  RSA607254  Aster ascendens L. C. Wheeler 1935-8-27 3925 Modoc S Mt. Spring, Devil's Garden. 1524 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
  CAS-BOT-BC177859  Astragalus curvicarpus var. curvicarpus Alice Eastwood; John Thomas Howell 1940-6-11 8024 Modoc 8 miles from Canby on road to Alturas Comment
  CAS-BOT-BC218217  Astragalus curvicarpus var. curvicarpus Gordon H. True 1964-6-3 1431 Modoc Surprise Valley, about 5 mi. S of Cedarville. 1463 Comment
  CHSC112432  Astragalus curvicarpus var. curvicarpus Lowell Ahart; John Dittes, Todd Sloat 2013-6-8 18761 Modoc About 300 yards east of the Parking Area, east of the old barn, Ash Creek State Wildlife Area, about 3.9 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  CAS-BOT-BC182067  Astragalus filipes Francis Dorris Payne 1932-6-22 580 Modoc Parker Creek. 1584 Comment
  RSA523949  Astragalus filipes Barbara J. Ertter 1988-6-18 7619 Modoc Hwy 139, 50 airmiles SW of Klamath Falls, a few miles N of Agric. Inspection Station, 1 mile S of jct to Lava Beds Natl Monument E of Tonesta. 1311 Comment
  SBBG22154  Astragalus filipes C. B. Hardham 1961-6-19 7838 Modoc Davis Crk 1676 Comment
  UC1539989  Astragalus filipes M. Mitchell 1936-5-21 50 Modoc 2 mi se Hospital Rock (Lava Beds National Monument); , se of Hospital Rock 1249 Comment
  UC585106  Astragalus filipes E. B. Babcock, G. L. Stebbins Jr. 1936-6-9 1799 Modoc hill above Lake City; hill above Lake City 1524 Comment
  UCR18554  Astragalus filipes Frank C. Vasek 1975-7-11 750711- 41 Modoc Modoc Plateau, Modoc National Forest, near Willow Springs Ranger Station. 1516 Comment
  SEINET948290  Astragalus filipes Barbara Ertter 1988-1 7619 Modoc Hwy 139 ca 50 airmiles SW of Klamath Falss, a few miles N of Agric. Inspection Station, 1 mi. S of Jct to Lava Beds Nat;l Monument E of Tonest; brunchgrass w/ scattered juniper, shallow soil on basalt. 1311 Comment
  JEPS119976  Astragalus gibbsii Lowell Ahart, John Dittes 2012-7-12 18374 Modoc About 1/10 mile east of the parking area on the east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. Comment
  NY675804  Astragalus lentiginosus var. lentiginosus R. M. Austin 07 1898 2210 Modoc Lake Shore Comment
  NY676225  Astragalus malacus B. M. Bartholomew 1995-5-13 6911 Modoc 4.8 km west of Eagleville, east side of the south end of Surprise Valley 1480 Comment
  CAS-BOT-BC182047  Astragalus obscurus R. M. Austin 1894-6-1 Modoc Banks of Ewing Creek, above Goose Lake. Comment
  CAS-BOT-BC182025  Astragalus purshii Alice Eastwood; John Thomas Howell 1940-6-14 8245 Modoc Between Mammoth Cave and Lava Beds Nat. Mon. Comment
  CAS-BOT-BC182029  Astragalus purshii Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-15 16505 -A Modoc 22 mi. W of Canby along Highway 139. Comment
  CAS-BOT-BC182037  Astragalus purshii Bruce Bartholomew; Barrett Anderson 1989-4-28 4643 Modoc 6.8 km N of State Highway 299 on road to Raker & Thomas Reservoir. 1400 Comment
  CAS-BOT-BC193032  Astragalus purshii var. tinctus Frances D. Payne 1932-6-10 424 Modoc Parker Creek 1584 Comment
  RSA415669  Astragalus purshii var. tinctus Christopher Davidson 1975-6-4 2608 Modoc 1/4 mi. W of Cedarville on Hwy 299. 1463 Comment
  RSA60235  Astragalus purshii var. tinctus E. K. Balls 1950-5-13 14662 Modoc Goose Lake, east shore about Willow Ranch. Comment
  UC13463  Astragalus purshii var. tinctus Mrs. R. M. Austin June, 1894 252 Modoc hills near Willow Creek; near Willow Creek Comment
  CAS-BOT-BC193033  Astragalus purshii var. tinctus Mrs. H. C. Cantelow 1949-6-11 14 Modoc About 8 miles north of Davis Creek, Hy 395. About 600 ft. above Goose Lake on slope 91 Comment
  RSA0006855  Astragalus purshii var. tinctus H. D. Ripley, R. C. Barneby 1949-6-11 14 Modoc About 8 mi. N of Davis Creek, Hwy 395 - 29.6 mi. N of Alturas. Comment
  SEINET3142989  Astragalus purshii var. tinctus E. K. Balls 1950-5-10 15961 Modoc Hwy 395 5.5 mi NE of Alturas, 0.5 mi before jxn 1524 Comment
  UC13370  Astragalus whitneyi Mrs. R. M. Austin and Bruce June 1898 2209 Modoc Foothills Comment
  UCSB48318  Astragalus whitneyi var. confusus Hardham, Clare 1961-6-18 Modoc Mountains south of Cedar Pass 1981 Comment
  SEINET10936502  Astragalus whitneyi var. confusus Jeffrey Huber 1971-6-3 Huber 95 Modoc 5 mi s of canby on calif hwy 299, lupinus heavily carpeting hillsides of large Basaltic boulders, sparse juniper, artemesia, purshia, poa assoc. 1280 Comment
  CAS-BOT-BC182001  Astragalus whitneyi var. lenophyllus Elmer Ivan Applegate 1897-6-2 891 Modoc Pit River valley S of Alturas. Comment
  RSA0017009  Astragalus whitneyi var. siskiyouensis I. L. Wiggins, Dorothy B. Wiggins 1961-6-16 16525 Modoc 6.4 mi. W of Canby. Comment
  CAS-BOT-BC30207  Athyrium alpestre var. americanum Bruce Bartholomew 1992-8-8 6373 Modoc Vicinity of Patterson Lake, E side of Warner Mountains. 2750 Comment
  UC399387  Athyrium filix-femina var. cyclosorum unknown 1900-9-5 Modoc near Forestdale Comment
  UC118039  Athysanus pusillus Mrs. R. M. Austin June 1894 Modoc Willow Creek Comment
  CDA34190  Atriplex patula var. obtusa L. Ahart, J. Dittes 2010-8-31 17112 Modoc About 10 yards west of Elkins Lane, about 150 yards north of the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, and about 7.7 miles (air) northeast of Bieber, Big Valley. Comment
  HSC5174  Balsamorhiza hookeri M. T. Milligan 1964-5-9 33 Modoc 4 mi. N of Hwy. 139 on USFS Rd. 44N15 1524 Comment
  CAS-BOT-BC15181  Balsamorhiza hookeri var. lanata Bruce Bartholomew; Barrett Anderson 1988-5-12 4130 Modoc Ca. 13 km NNE of Adin on State Highway 229 at turnoff to Higgins Flat on USFS road 41N11. 1440 Comment
  CAS-BOT-BC15193  Balsamorhiza hookeri var. lanata Ellsworth Bethel 1923-4-26 s.n. Modoc Lookout. Comment
  CAS-BOT-BC15194  Balsamorhiza hookeri var. lanata Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-13 16474 Modoc 2.4 mil. S of Village of Davis Creek, SE side of Goose Lake Comment
  CAS-BOT-BC15137  Balsamorhiza sagittata Leland S. Smith 1919-5-8 1095 Modoc Clarke Ranch, Jess Valley, Modoc National Forest 1706 Comment
  CAS-BOT-BC15196  Balsamorhiza sagittata Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-13 6538 Modoc Just W of West Valley Reservoir. 1460 Comment
  CAS-BOT-BC15199  Balsamorhiza sagittata Lindsay Stuart Smith; E. H. Steffen 1917-6-2 29 Modoc Jess Valley, Modoc National Forest 1524 Comment
  JEPS30489  Balsamorhiza sagittata Peter H. Raven with Otto T. Solbrig 1958-6-18 13316 Modoc 8.8 mi s of Happy Camp Guard Station (Modoc National Forest); Modoc National Forest Comment
  RSA0012342  Balsamorhiza sagittata Joan Stewart 2005-6-6 2487 Modoc Stowe Reservoir, Warner Mountains. 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
  SEINET10617225  Balsamorhiza sagittata LeRoy E. Detling 1948-5-24 Detling 6260 Modoc North Fork Pit River. 1417 Comment
  SEINET3141609  Balsamorhiza sagittata E. K. Balls 1950-5-10 15966 Modoc .5 mi. E past fork on Hwy. 395 & rd. rom Alturas 1585 Comment
  CAS-BOT-BC58630  Barbarea orthoceras Betty J. Hammerly 1941-6-20 32 Modoc Just beyond Clear Lake. 1767 Comment
  CAS-BOT-BC58670  Barbarea orthoceras Bruce Bartholomew 1994-7-2 6782 Modoc 5.0 km SE of Joseph Creek Basin on the W side of the Warner Mountains. 1930 Comment
  RSA210841  Bassia hyssopifolia R. F. Thorne, J. Henrickson, C. W. Tilforth 1969-9-3 39022 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-BC248383  Beckmannia syzigachne Robert F. Thorne; C. W. Tilforth 1969-9-4 39057 Modoc 2 mi W of Davis Creek (town), S. of Goose Lake 1432 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
  POM313190  Beckmannia syzigachne H. L. Mason 1947-7-11 13367 Modoc Irrigation ditch by Jones Lane, off Highway 395, south of Alturas Comment
  RSA603673  Beckmannia syzigachne L. C. Wheeler 1935-10-5 4019 Modoc N Fork Pit River at Parker Creek. 1372 Comment
  HSC100068  Beckmannia syzigachne G. D. Barbe, John Kelley 1988-7-20 4298 Modoc Modoc National Wildlife Refuge, SE of Alturas, MDB & M. Comment
  CHSC118798  Berberis aquifolium var. repens L. P. Janeway 2015-8-9 11826 Modoc Warner Mountains. Near head of a northwest-facing bowl of a drainage of Coyote Creek where Road 39N06A crosses it; 0.8 road-km east of Road 39N06. 2088 Comment
  UC472305  Berberis aquifolium var. repens Belknap C. Goldsmith 1911-6-15 Modoc N Fork Davis Creek, w slope of Warner Mts N Fork Davis Creek; Modoc Forest, Warner Mts Comment
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Nov 27 2011
  UCSB18053  Berberis aquifolium var. repens Haller, John 1962-6-8 Modoc Vicinity of Cave Lake, 1 mile west of Summit of New Pine Creek-Fort Bidwell Road, Warner Mountains 2072 Comment
  JEPS58646  Betula glandulosa L. S. Smith 1917-7-29 886 Modoc bog below Bald Mt. 2011 Comment
  UC71756  Betula glandulosa Mrs. M. H. Manning 1903-8-22 306 Modoc Warner Range Warner Range (ne Modoc Co.) 2133 Comment
  CAS-BOT-BC54192  Betula occidentalis Bruce Bartholomew; M. Gilbert; L. Skog 1993-5-10 6468 Modoc Along Emerson Creek below Emerson Campground, E side of Warner Mountains. 1600 Comment
  HSC81822  Betula occidentalis G. M. Riegel 1980-7-14 881 Modoc S Warner Mtns. 1463 Comment
  NY526320  Betula occidentalis B. M. Bartholomew 1988-6-24 4350 Modoc South Barber Creek, 6.3 km southwest of County Road 1 on County Road 42, east side of the Warner Mountains. Snake Lake 7 1/2' Quad. 1790 Comment
  RSA34820  Betula occidentalis Roxana S. Ferris, Laura Lorraine 1941-8-14 10600 Modoc 8.5 miles from Patterson Ranger Station on Eagleville road. Warner Mountains. Modoc National Forest. Comment
  RSA603852  Bidens cernua L. C. Wheeler 1935-9-22 3996 Modoc Warm Springs Valley: Pit River at Rattlesnake Butte. 1341 Comment
  CAS-BOT-BC15148  Bidens cernua var. cernua Robert Folger Thorne; J. Henrickson; C. W. Tilforth 1969-9-4 39117 Modoc N Fork of Pit River 3.4 mi. N of Alturas where crossed by Hwy 395. 1341 Comment
  CAS-BOT-BC15149  Bidens cernua var. cernua Bruce Bartholomew 1989-8-12 5135 Modoc 4.2 km W of Likely on County Road 60. 1370 Comment
  CHSC117820  Bistorta bistortoides L. P. Janeway 2016-5-18 12065 Modoc Modoc Plateau. Devils Garden area; Island Meadow, along Road 47N08 2.1 road-km north of Road 73/181/47N09. 1606 Comment
  CAS-BOT-BC15087  Blepharipappus scaber F. Angwin 1946-5-3 s.n. Modoc Big Valley, 2 mi NW of Adin. 1280 Comment
  CAS-BOT-BC15092  Blepharipappus scaber Lillian S. Mott 1976-5-29 5 LM76 Modoc Devil's Garden, N of Alturas. 1402 Comment
  CAS-BOT-BC15113  Blepharipappus scaber Margaret J. Williams; et al 1988-6-2 88- 28 -4 Modoc Jess Valley, E of Likely, S of roadside rest. Comment
  CAS-BOT-BC15116  Blepharipappus scaber Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-12 6528 Modoc Just E of Adin. 1280 Comment
  JEPS114489  Blepharipappus scaber Lowell Ahart, John Dittes 2008-8-25 15295 Modoc On the west side of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout 1273 Comment
  JEPS22628  Blepharipappus scaber F. H. Frost 1925-7-20 93 Modoc 2 mi above Cedarville (Cedar Camp); Cedar Camp Comment
  CAS-BOT-BC15102  Blepharipappus scaber Gordon H. True 1964-6-3 1438 Modoc N Fork Pit River between Altura and Goose Lake. 1432 Comment
  CAS-BOT-BC15119  Blepharipappus scaber Mrs. Annie F. Rodda 1932-7-1 Modoc Near Alturas. Comment
  HSC42414  Blepharipappus scaber Barbara Kelly 1977-8-9 579 Modoc Upper Rush Creek Campground N of Adin; above cow trail Comment
  JEPS6015  Blepharipappus scaber Frances D. Payne 1932-6-22 579 Modoc s and e of Alturas (Parker Creek, Warner Mountains); Warner Mountains, Parker Creek 1584 Comment
  POM202699  Blepharipappus scaber A. H. Rodda 1932-7-1 s.n. Modoc Near Alturas Comment
  RSA185384  Blepharipappus scaber Clare B. Hardham 1961-6-18 6546 Modoc 3 miles SE of Cedar Pass. 1829 Comment
  SJSU8832  Blepharipappus scaber R. L. Fisher 1958-6-13 Modoc near Adin Pass c. 6 mi S of Canby 1524 Comment
  UC748334  Blepharipappus scaber Annie M. Alexander and Louise Kellogg 1946-6-10 4709 Modoc slope n Snake Lake Comment
  RSA0125908  Boechera Christopher Davidson 1973-5-26 2110 Modoc 4 miles W of Canby on Hwy 299. 1359 Comment
  CAS-BOT-BC58290  Boechera lemmonii Annie Montague Alexander; L. Kellogg 1946-7-30 5095 Modoc Eagle Peak, Warner Mts. 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
  JEPS53085  Boechera retrofracta Milo S. Baker 1890-1 Modoc Forestdale Comment
  CAS-BOT-BC35121  Boechera sparsiflora M. Vasey 1990-6-28 9011 Modoc In vicinity of pass at junction of North Emerson Lake Trail and Owl Creek Trail. 2590 Comment
  OBI7983  Boechera sparsiflora Rhonda Riggins 1989-4-28 1656 Modoc Pencil Rd 4.1 mi N of hwy 395 E of Alturas. T43N R12E, sec 24 Comment
  UC10095  Boechera sparsiflora M. S. Baker and Frank Nutting 1894-6-5 Modoc Big Valley Mts. Comment
  CAS-BOT-BC58570  Boechera stricta Bruce Bartholomew; Barrett Anderson 1990-7-20 5515 Modoc Tamarack Flat, E side of Warner Mts. 2150 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
  SJSU9630  Brodiaea coronaria W. Savage 1979-7-7 1449 Modoc Triangle, W side of Fairchild Swamp Unit, Devils Garden District 1493 Comment
  UCD60274  Bromus L. Whitney 1935-7-1 s.n. Modoc Spauldings Butte. Comment
  SEINET3921589  Bromus briziformis Margaret J. Williams, Arnold Tiehm; Jan Nachlinger 1988-6-2 88- 28 -1 Modoc Jess Valley, E of Likely, S of roadside rest.; 0 Comment
  UCD57494  Bromus briziformis Beecher Crampton; Carl Rimbey 1954-7-6 2103 Modoc 20 miles E of Alturas. Warner Mountains. Above Shields Creek. Comment
  SEINET4344995  Bromus briziformis M. J. Williams, J. Nachlinger 1988-6-2 88- 28 -1 Modoc Jess Valley, E of Likely, S of roadside rest. Comment
  JEPS69153  Bromus carinatus var. carinatus Leland S. Smith 1918-6-16 933 Modoc Modoc National Forest, Buck Creek Ranger Station Buck Creek Ranger Station; Modoc National Forest, Buck Creek Ranger Station 1584 Comment
  JEPS69180  Bromus carinatus var. carinatus Leland S. Smith 1918-6-22 971 Modoc Modoc National Forest, Pine Creek Canyon Pine Creek Canyon; Modoc National Forest, Pine Creek Canyon 2133 Comment
  UC1024859  Bromus carinatus var. carinatus Leo Whitney 1935-6-1 3171 Modoc 1 mi sw of White Horse Comment
  SEINET201658 Image available Bromus carinatus var. marginatus Arthur Cronquist, Arthur H. Holmgren 1959-6-19 8494 Modoc Along Clear Lake; Warner Mts. 15 mi. E of Likely. 1829 Comment
  UCD32704  Bromus carinatus var. marginatus Beecher Crampton 1954-7-7 2127 Modoc Modoc County, west side of Cedar Pass. Comment
  CAS-BOT-BC149159  Bromus carinatus var. marginatus L. S. Smith 1922-6-1 1422 Modoc Modoc Forest. Lava Trail west of Lava R.S. Comment
  CAS-BOT-BC310315  Bromus carinatus var. marginatus Gregg M. Riegel 1979-7-23 579 Modoc Unspecified 2979 Comment
  POM264293  Bromus commutatus A. A. Beetle 1941-6-29 2837 Modoc south slope of Mount Adin Comment
  UCD58452  Bromus commutatus A. A. Beetle 1941-6-29 2837 Modoc South slope of Mount Adin. Comment
  UCD58626  Bromus hordeaceus Annie M. Alexander; Louise Kellogg 1946-6-18 4792 Modoc Patterson Mill--Silver Creek roads. 1828 Comment
  UCD32728  Bromus japonicus Beecher Crampton 1954-7-7 2167 Modoc Modoc County, 2.5 miles east of Alturas, near radio station KCNO. Comment
  SEINET3922999  Bromus japonicus Leo Whitney 1935-6-30 3351 Modoc Spaulding's Butte, 16 miles west-northwest of Canby.; 0 Comment
  RSA152720  Bromus marginatus I. L. Wiggins, Dorothy Wiggins 1961-6-12 16435 Modoc 4 miles E of summit of Cedar Pass, along Cedar Pass road. Comment
  CHSC85143  Bromus tectorum John Dittes; Josephine Guardino 1991-6-1 364 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; at southern edge of Ash Creek Floodplain. 1271 Comment
  UCD60048  Bromus tectorum var. nudus E. Wilson 1934-5-14 s.n. Modoc Over pass from Alturas to Cedarville. Comment
  HSC88841  Calamagrostis stricta subsp. inexpansa J. P. Smith, J. O. Sawyer 1973-8-9 7276 Modoc Blue Lake, Modoc National Forest 1829 Comment
  UC1101526  Callitriche hermaphroditica Verne Grant and Irving Schneider 1947-7-18 8055 Modoc 1.4 mi n Bayley's Bridge (s of Alturas) 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-BC95092  Callitriche palustris John Thomas Howell 1934-6-13 12091 Modoc 2 1/2 mi. S of Eagleville. Comment
  CAS-BOT-BC95102  Callitriche palustris Bruce Bartholomew 1991-10-13 6120 Modoc Dismal Swamp, N end of Warner Mts. 2200 Comment
  CAS-BOT-BC85787  Calocedrus decurrens M. B. Kildale 1926-9-11 2768 Modoc Between Malin, Oregon & Alturas 1371 Comment
  UCD132874  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
  SEINET4169879  Calochortus leichtlinii Leila Shultz, John Shultz 1985-6-23 Modoc Modoc Plateau at the western extension of the Great Basin, between Beeler and Duncan reservoirs N. of Canby. 1311 Comment
  UCD77254  Calochortus longebarbatus Robert E. Preston 2000-7-18 1396 Modoc Ca. 11 mi nw of Canby, along Hwy 139, 2.65 mi e of Forest Service Rd 44N11. 1490 Comment
  UC3505  Calochortus longebarbatus var. longebarbatus M. S. Baker and Frank Nutting 1894-6-29 Modoc near Lookout; Big Valley Comment
  UC1036061  Calochortus macrocarpus Annie M. Alexander and Louise Kellogg 1946-7-5 4907 Modoc w of Lower Lake; Lava Cliff Comment
  JEPS17723  Calochortus macrocarpus Rimo Bacigalupi with G. T. Robbins 1955-7-20 5384 Modoc 5.5 mi ne Alturas (near junction of Cedar Pass rd and U.S. Hwy 395) 1371 Comment
  JEPS86157  Calochortus macrocarpus Wayne Roderick 1966-7-23 Modoc ca 3 rd mi n Cedar Pass; Warner Mtns. 2133 Comment
  SEINET3260048 Image available Calochortus macrocarpus A. A. Heller 1940-6-29 15747 Modoc On U.S. Highway #299, about 5 miles west of Alturas. Comment
  SJSU10008  Calochortus macrocarpus H. L. Buckalew 1961-6-28 Modoc opposite Upper Lake in Surprise Valley NE of Fort Bidwell 1402 Comment
  CAS-BOT-BC217326  Caltha leptosepala Bruce Bartholomew 1991-6-21 5800 Modoc Vicinity of Lily Lake, N end of the Warner Mountains. 2030 Comment
  CAS-BOT-BC218350  Caltha leptosepala Leland S. Smith 1918-6-23 956 Modoc Near Big Four Mine, High Grade District, Mineral Spring. 2377 Comment
  RSA0039539  Calycadenia ciliosa Lowell A. Ahart, John Dittes 2008-8-25 15294 Modoc On the west side of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout. 1273 Comment
  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
  RSA59515  Camassia quamash subsp. breviflora E. K. Balls 1950-5-13 14660 Modoc 5 miles north of Bucks Creek, Highway 395, east of Goose Lake 1677 Comment
  UC421788  Camassia quamash subsp. breviflora M. F. Gilman 615 Modoc California Comment
  CHSC85128  Camelina microcarpa John Dittes; Josephine Guardino 1991-6-1 345 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
  HSC26610  Camelina microcarpa D. H. Norris, T. Nelson, S. Dowty 1971-6-23 19380 Modoc Along the S Fork of the Pit River, ~6 mi. E of Likely. Comment
  CAS-BOT-BC191127  Camissonia andina Alice Eastwood; John Thomas Howell 1940-6-13 8118 Modoc Surprise. Comment
  NY851234  Camissonia claviformis var. cruciformis B. M. Bartholomew 1989-6-2 4838 Modoc 6.4 km east of Eagleville on the road to the California state border, east side of Surprise Valley 1550 Comment
  CAS-BOT-BC191108  Camissonia minor Bruce Bartholomew 1993-6-13 6635 Modoc Just W of Sand Creek on road from Highway 299 to Leonard Hot Spring, E side of Surprise Valley. 1410 Comment
  UC1586092  Camissonia parvula Barbara Ertter 1988-6-18 7614 Modoc Hwy 139 1 mi s jct. to Lava Beds Nat'l Monument (ca 50 air mi sw of Klamath Falls, a few mi n of Agric. Inspection Station, e of Tonesta) 1310 Comment
  CAS-BOT-BC191097  Camissonia subacaulis Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-14 16481 Modoc Along Lassen Creek, on road to Davis Creek. Comment
  POM229954  Camissonia tanacetifolia subsp. tanacetifolia Louis C. Wheeler 1935-8-2 3744 Modoc Twelve Mile Creek, Warner Mountains 2195 Comment
  RSA600324  Camissonia tanacetifolia subsp. tanacetifolia Louis C. Wheeler 1935-8-18 3895 Modoc 2 miles northeast of Alturas. 1357 Comment
  NY119872  Cardamine breweri L. C. Wheeler 1935-8-15 3864 Modoc Dismal Swamp, Twenty Mile Creek 2225.0 Comment
  NY119873  Cardamine breweri A. J. Cronquist 1959-6-19 8500 Modoc Along Mill Creek, just above Clear Lake; Warner Mtns., 15 miles E of Likely 1828.8 Comment
  SEINET5341098  Cardaria draba M. J. Williams 1984-6-30 84- 81 -6 Modoc 9.6 miles from Gerlach-Cedarville road on the Parker Creek road. West side of the Warner Mtns, south of Cedar Pass 1829 Comment
  CDA42987  Cardaria pubescens L. Ahart 2008-8-25 15287 Modoc On the west bank of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout. Comment
  CAS-BOT-BC242400  Carex Annie Montague Alexander; L. Kellogg 1946-7-23 5047 Modoc Emerson Peak. 2750 Comment
  CHSC100860  Carex abrupta L. P. Janeway; B. Castro 2008-8-17 9673 Modoc Warner Mountains. North slope of Bald Mountain; just below the cliffs at the top of the peak. Near moist bed of small rocky drainage channel. On moist slope on the side of the drainage. 2372 Comment
  CHSC109494  Carex abrupta L. P. Janeway; B. Castro 2012-7-26 11007 Modoc Warner Mountains. At Little Lily Lake, 2.4 air km north of Mt. Vida. 2258 Comment
  JEPS127213  Carex athrostachya Lowell Ahart, John Dittes 2016-6-6 20964 Modoc About one mile south the intersection of County Road 87 and Access Road to Pilot Butte Parking Area, 3.8 miles (air) east of Lookout, 7.5 miles (air) west of Adin, Ash Creek State Wildlife Area. Comment
  CAS-BOT-BC245137  Carex aurea Roxana Stinchfield Ferris; R. Duthie 1919-6-15 164 Modoc Along Parker Creek below Modoc National Forest Boundary. Comment
  HSC48008  Carex brainerdii D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19509 Modoc Big Valley Summit, 6 mi. W of Adin on Hwy. 299 Comment
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Jan 1 2017
  CAS-BOT-BC245187  Carex douglasii E. H. Steffen 1917-6-9 31 Modoc Jess Valley. 1524 Comment
  CHSC85147  Carex douglasii John Dittes; Josephine Guardino 1991-7-21 402 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
  HSC48186  Carex douglasii D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19426 Modoc Near Hager Reservoir Comment
  CAS-BOT-BC242367  Carex filifolia var. erostrata Leland S. Smith 1920-6-2 1160 1/2 Modoc Dismal Swamp. 2042 Comment
  JEPS63611  Carex filifolia var. erostrata Leland S. Smith 1920-6-2 1160 1/2 Modoc Dismal Swamp, Mt. Bidwell Range 2133 Comment
  POM203051  Carex jonesii J. T. Howell 1934-6-14 12165 Modoc Near Lost Lake, Warner Mts. 2439 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
  HSC7115  Carex microptera M. T. Milligan 1966-7-3 533 Modoc Slopes and ridges E of Jess Valley 1829 Comment
  HSC48001  Carex multicaulis D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19461 Modoc Upper Rush Creek Campground, about 8 mi. N of Adin on Hwy. 299 Comment
  CAS-BOT-BC245167  Carex nebrascensis Thomas C. Fuller 1964-10-8 12702 Modoc W side of Hwy 395 at S limits of Likely. Comment
  JEPS63683  Carex nebrascensis W. L. Jepson 1918-8-14 7992 Modoc Jess Valley 1584 Comment
  UC1024329  Carex nebrascensis Annie M. Alexander and Louise Kellogg 1946-7-7 4928 Modoc Eight Mile Creek 1752 Comment
  CAS-BOT-BC242357  Carex pellita Robert Folger Thorne; C. W. Tilforth 1969-9-4 39048 Modoc Along N Fork of Pit River, 11.8 mi. N of Alturas along Hwy 395. 1371 Comment
  POM313121  Carex pellita H. L. Mason, Verne Grant 1947-7-12 13423 Modoc Near south end of West Side Rd. along railroad tracks, Pit River Valley, south of Alturas Comment
  RSA210783  Carex pellita Robert F. Thorne, C. W. Tilforth 1969-9-4 39048 Modoc Along N Fork of Pit River, 11.8 miles N of Alturas along Highway 395. 1372 Comment
  CAS-BOT-BC245157  Carex praegracilis Annie Montague Alexander; L. Kellogg 1946-6-14 4761 Modoc Patterson Mill Road. 1828 Comment
  HSC96002  Carex praegracilis Juha Pykala, D. H. Norris 1987-5-27 1165 Modoc Modoc National Forest, N end of Big Sage Reservoir, very near the road from Crowder Flat Rd. to Dead Horse Reservoir 1494 Comment
  HSC97777  Carex praegracilis Juha Pykala, D. H. Norris 1987-5-27 1024 Modoc Modoc National Forest, Rush Creek, between Lower and Upper Rush Creek Campgrounds 1463 Comment
  RSA59544  Carex praegracilis E. K. Balls 1950-5-10 14596 Modoc West shore Middle Lake, near Cedarville. 1402 Comment
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Nov 5 2008
  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
  CHSC67137  Carex rossii James D. Jokerst 1987-5-14 2877 Modoc Radar Survey Site S of Doublehead Mtn., S of Clear Lake Reservoir, E and ad-jacent to SW-NE oriented fence. 1348 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
  HSC75587  Carex straminiformis G. M. Riegel 1979-7-30 625 Modoc S Warner Mtns. 1829 Comment
  UC1024339  Carex straminiformis Annie M. Alexander and Louise Kellogg 1946-7-23 5048 Modoc near summit Emerson Peak; Warner Mountains 2749 Comment
  CAS-BOT-BC245147  Carex subfusca Leland S. Smith 1922-7-20 1279 Modoc Rush Creek Ranger Station Pasture. 1905 Comment
  CHSC77253  Carex subfusca G. Schoolcraft 1996-7-23 2543 Modoc E. of Yankee Jim Ranch about 12 mile se of Alturas. 1645 Comment
  RSA252422  Carex utriculata Robert F. Thorne, C. W. Tilforth 1969-9-5 39157 Modoc Wet mud at margin of Clear Lake. Warner Mountains, Modoc National Forest. 1768 Comment
  RSA252450  Carex utriculata Robert F. Thorne, C. W. Tilforth 1969-9-5 39186 Modoc Pine Creek where it is crossed by Highway 395, 3.4 miles S of Alturas. 1341 Comment
  UC1024341  Carex vernacula Annie M. Alexander and Louise Kellogg 1946-7-30 5100 Modoc under Eagle Peak; Warner Mountains Comment
  UC8077  Carex vesicaria Milo S. Baker 1893-7-8 Modoc Egg Lake Comment
  CAS-BOT-BC180128  Castanopsis sempervirens Bruce Bartholomew 1995-7-31 7120 Modoc 0.3 km from Forest Service road 46N30 on Forest Service road 45N34, W side of Warner Mountains. 2250 Comment
  CAS-BOT-BC180131  Castanopsis sempervirens Bruce Bartholomew 1989-7-15 4984 Modoc 7 km from State Hwy 299 on road to Manzanita Mountain. 1830 Comment
  UC444861  Castilleja angustifolia Mrs. M. H. Manning May 1907 719 Modoc e side Warner Range Comment
  CAS-BOT-BC225974  Castilleja applegatei subsp. pinetorum Elmer Ivan Applegate 1932-8-7 8235 Modoc Lily Lake, Bidwell Pass, Warner Mountains Comment
  CAS-BOT-BC225985  Castilleja applegatei subsp. pinetorum Roxana Stinchfield Ferris; R. Duthie 1919-6-14 116 Modoc Above Parker Creek at Modoc Nat. Forest Boundary. Comment
  CAS-BOT-BC225989  Castilleja applegatei subsp. pinetorum Mrs. H. C. Cantelow 1935-6-8 972 Modoc NE of Bieber. Comment
  CAS-BOT-BC226001  Castilleja applegatei subsp. pinetorum Bruce Bartholomew 1994-7-2 6780 Modoc 1.8 km SE of Joseph Creek Basin on the W side of the Warner Mountains. 1720 Comment
  CAS-BOT-BC229827  Castilleja applegatei subsp. pinetorum Mrs. H. C. Cantelow 1941-5-23 s.n. Modoc 2 mi. W of Adin Summit, Hwy 299. Comment
  HSC1973  Castilleja applegatei subsp. pinetorum M. T. Milligan 1966-6-28 483 Modoc Volcanic plateau W of Jess Valley. 1829 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
  RSA425922  Castilleja applegatei subsp. pinetorum Christopher Davidson 1973-5-26 2121 Modoc 4 miles W of Canby on Hwy 299. 1341 Comment
  RSA518976  Castilleja applegatei subsp. pinetorum L. R. Heckard, Peter Rubtzoff 1971-8-3 2706 Modoc Near summit of Cedarville Pass, Warner Mts. 1982 Comment
  RSA537507  Castilleja applegatei subsp. pinetorum Barbara J. Ertter 1988-6-18 7644 Modoc Adin Summit on Highway 299 N of Adin 1585 Comment
  UC1037212  Castilleja applegatei subsp. pinetorum Leo Whitney 1934-5-25 1570 Modoc ca 15 mi nw Canby (near Hackamore); Modoc National Forest 1463 Comment
  UC199409  Castilleja applegatei subsp. pinetorum Franklin P. Nutting 1900-1-1 Modoc near Egg Lake Comment
  CAS-BOT-BC226006  Castilleja arachnoidea Francis Marion Ownbey; Frederick Gustav Meyer 1940-7-1 2140 Modoc N slopes, Cedar Peak, Warner Mountains. Comment
  HSC80804  Castilleja arachnoidea G. M. Riegel 1980-7-9 857 Modoc South Warner Mts. 1829 Comment
  JEPS28981  Castilleja arachnoidea Frances D. Payne 1931-6-29 310 Modoc e slope Mt. Warren; Warner Range, Mt. Warren 2286 Comment
  CAS-BOT-BC226014  Castilleja campestris subsp. campestris Elmer Ivan Applegate 1897-6-5 2000 Modoc Near Alturas. Comment
  JEPS120884  Castilleja chromosa Lowell Ahart, John Dittes, Todd Sloat 2013-6-8 18765 Modoc About 300 yards E of the Parking Area, E of the old barn, Ash Creek Wildlife Area, about 3.9 air miles W of Adin, about 7.7 air miles NE of Bieber. Big Valley. Comment
  JEPS29100  Castilleja lacera Lauramay T. Dempster 1961-6-18 1699 Modoc 3.2 mi e Cedar Pass (near head of canyon s of highway) 1752 Comment
  JEPS36815  Castilleja linariifolia Charles F. Quibell 1964-7-1 Modoc 2.5 mi e Alturas (along U.S. Hwy 395) Comment
  JEPS8722  Castilleja linariifolia W. I. Follett 1942-9-10 138 Modoc Cowhead Lake, ne corner of Modoc County Cowhead Lake Comment
  POM7726  Castilleja linariifolia M. S. Baker 1898-08 528 Modoc Big Valley, near Johnsons. [County not specified.] Comment
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Jan 30 2016
  CAS-BOT-BC226047  Castilleja miniata Bruce Bartholomew 1994-7-2 6816 Modoc E of Bald Mountain, on E side of the Warner Mountains 2230 Comment
  JEPS10874  Castilleja miniata L. S. Smith 1917-7-18 839 Modoc Soldiers Creek Comment
  UC444859  Castilleja miniata Mrs. Austin Jun 1894 302 Modoc Willow Creek Comment
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Jul 6 2010
  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-BC226057  Castilleja pilosa Annie Montague Alexander; L. Kellogg 1946-6-14 4751 Modoc Silver Creek branch of Patterson Mill road. 1828 Comment
  CAS-BOT-BC241011  Castilleja pilosa Marion Ownbey; Fred G. Meyer 1940-7-1 2140 Modoc North slopes, Cedar Peak, Warner Mts. Comment
  UC27235  Castilleja pilosa M. S. Baker and Frank Nutting 1894-6-29 Modoc Big Valley Comment
  CAS-BOT-BC226067  Castilleja pruinosa Bruce Bartholomew 1990-6-15 5222 Modoc W side of Deer Spring Ridge in vicinity of Reid Draw, ca. 1 km N of the Lasson Co. border. 1540 Comment
  RSA248718  Castilleja psittacina Christopher Davidson 1973-5-26 2125 Modoc 4 miles W of Canby on Hwy 299. 1341 Comment
  HSC75904  Castilleja tenuis D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19434 Modoc Near Hager Reservoir Comment
  JEPS120511  Castilleja tenuis L. P. Janeway, B. Castro 2012-7-25 10984 Modoc Warner Mountains. Comment
  SEINET14173038  Castilleja tenuis M. J. Williams 1983-7-29 83- 116 -3 Modoc Warner Mountains, 1.1 mile N of Stough Reservoir Campground, N of Cedar Pass. 2088 Comment
  JEPS77516  Castilleja tenuis L. R. Heckard with T. I. Chuang and R. C. Bacigalupi 1978-7-19 4883 Modoc Cedar Pass; n side of road 1920 Comment
  CAS-BOT-BC217142  Ceanothus integerrimus Leland S. Smith 1920-8-22 13 Modoc White Horse. 1341 Comment
  CAS-BOT-BC217143  Ceanothus integerrimus Belknap C. Goldsmith 1912-7-1 55 Modoc Day 1219 Comment
  CAS-BOT-BC217111  Ceanothus prostratus Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-11 6508 Modoc Ca. 3 km S of Oregon border on Forest Service Rte. 7. 1720 Comment
  POM126434  Ceanothus prostratus B. C. Goldsmith 1911-5-20 21 Modoc Sugar Hill, W slope Warner Mts. 1524 Comment
  UC190598  Ceanothus prostratus M. F. Gilman 614 Modoc Warner Mts. 2133 Comment
  CAS-BOT-BC217120  Ceanothus velutinus Bruce Bartholomew 1989-7-15 5020 Modoc Manzanita Lookout, top of Manzanita Mountain. 2130 Comment
  POM182445  Ceanothus velutinus B. C. Goldsmith 1911-9-17 39 Modoc Fandango Creek, W slope of Warner Mts. Comment
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Jan 20 2011
  UC1281456  Ceanothus velutinus H. E. McMinn 1931-5-23 2472 Modoc Fandango Pass Warner Mts., Fandango Pass Comment
  POM126397  Ceanothus velutinus M. French Gilman 575 Modoc [No location data on label] 1677 Comment
  UC912667  Centaurea cyanus F. H. Frost 1925-7-24 124 Modoc Jess Valley Warner Mountains, Jess Valley Comment
  RSA767682  Centaurium exaltatum L. Ahart, John Dittes 2010-8-31 17125 Modoc Edge of a pond, about 400 yards west of Elkin s Lane and the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 air miles west of Adin, about 7.7 air miles northeast of Bieber, Big Valley. 1268 Comment
  POM128271  Centaurium muehlenbergii Milo S. Baker 1899-8-18 s.n. Modoc Little Hot Spring 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
  UC1101323  Ceratophyllum demersum Verne Grant and Irving Schneider 1947-7-20 8097 Modoc North Fork of Pit River by Dorris Bridge (Alturas); North Fork of Pit River Comment
  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
  CAS-BOT-BC197527  Cercocarpus betuloides var. betuloides Belknap C. Goldsmith 1910-5-26 11 Modoc W slope Warner Mts. 1828 Comment
  JEPS45549  Cercocarpus betuloides var. macrourus L. S. Smith 1924-5 Modoc s of Egg Lake (Happy Camp District, Modoc National Forest); Modoc National Forest 1310 Comment
  UCD22470  Cercocarpus betuloides var. macrourus Brian Vanden Heuvel 2003-4-11 199 Modoc Rush Creek Campground in Modoc National Forest, about 10 miles north of Adin and 6 miles south of Adin Pass. Comment
  RSA1100  Cercocarpus ledifolius E. R. Johnson 1928-8-31 1193 Modoc E side of Lava Beds bet lookout and Bartle Comment
  NY848750  Cercocarpus ledifolius var. intermontanus B. Anderson 1986-7-10 3194 Modoc Warner Mountains. West Warner road north of the North Fork of Pine Creek 1965 Comment
  CAS-BOT-BC214647  Cercocarpus ledifolius var. ledifolius A. D. Borden 1911-5-20 s.n. Modoc Sugar Hill. Comment
  CAS-BOT-BC248320  Cercocarpus ledifolius var. ledifolius B. Bartholomew; H. Sun 2002-6-24 8866 Modoc Fandango Pass on the E side of the Warner Mountains near the crest of the mountains 1820 Comment
  CAS-BOT-BC197535  Cercocarpus ledifolius var. ledifolius John H. Hatton 1911-6-12 36 Modoc Modoc County. 1524 Comment
  CAS-BOT-BC15067  Chaenactis douglasii var. douglasii Annie Montague Alexander; L. Kellogg 1946-7-7 4936 Modoc Eight Mile Creek, northeast corner of county 1752 Comment
  UC76036  Chaenactis douglasii var. douglasii Milo S. Baker Modoc Egg Lake Comment
  HSC5249  Chaenactis douglasii var. douglasii M. T. Milligan 1966-6-19 473 Modoc Plateau W of Jess Valley 1829 Comment
  RSA504622  Chaenactis douglasii var. douglasii Bruce Bartholomew, B. Anderson 1988-6-25 4377 Modoc SW side of Jess Valley, Warner Mountains. 1540 Comment
  CAS-BOT-BC197574  Chamaebatiaria millefolium Leland S. Smith 1924-6-23 1433 Modoc Lavas near Lava Ranger Station. 1325 Comment
  CAS-BOT-BC245414  Chamaesaracha nana E. S. Willits 1940-5-20 279 Modoc Between Perez and Canby. 1371 Comment
  HSC80797  Chamaesaracha nana G. M. Riegel 1980-7-31 945 Modoc S Warner Mtns. 558 Comment
  UC71712  Chamaesaracha nana Mrs. M. H. Manning 1903-8-27 334 Modoc near Fort Bidwell (ne Modoc County) Comment
  JEPS15471  Chamaesaracha nana Joseph and Hilda W. Grinnell 1938-6-16 1107 a Modoc 100 ft below Cedar Pass summit; Warner Mountains 1935 Comment
  UCD77523  Chamaesyce glyptosperma Robert E. Preston 2000-7-17 1389 Modoc Ca. 11 mi nw of Canby, on n side of Hwy 139, 2.5 mi e of Forest Service Rd 44N11, T42N R8E ne 1/4 Section 3 1490 Comment
  CHSC106186  Chamaesyce serpillifolia subsp. serpillifolia Lowell Ahart; John Dittes 2010-8-31 17116 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, 4215 feet north of Lassen County Line, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1295 Comment
  UC1192289  Chamaesyce serpyllifolia Verne Grant and Irving Schneider 1947-8-27 8314 Modoc sw end Clear Lake Comment
  SEINET195700  Chamerion angustifolium subsp. circumvagum Annie M. Alexander, Louise Kellog 1946-7-3 4904 Modoc Near Fort Bidwell south slope. Bidwell Creek Canyon. Comment
  JEPS127299  Chenopodium album Lowell Ahart, John Dittes 2016-7-14 21168 Modoc South of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin Big Valley. Comment
  UCD97878  Chenopodium foliosum W. T. Parsons; T. C. Fuller 1960-7-26 4874 Modoc E. H. Boys ranch, Lassen Creek, ca. 2 mi. SE/Hwy 395. Comment
  RSA624120  Chenopodium leptophyllum L. C. Wheeler 1935-8-26 3921 Modoc South Mt. devil's Garden: McGinty Point. 1524 Comment
  CAS-BOT-BC95530  Chenopodium pratericola Isabelo T. Kelly 1930-1-1 31 Modoc Modoc County. Comment
  RSA210829  Chenopodium salinum R. F. Thorne, J. Henrickson, C. W. Tilforth 1969-9-4 39074 Modoc E shore of Goose Lake at Willow Ranch. 1433 Comment
  UC412889  Chimaphila umbellata Franklin P. Nutting Aug 20 1900-Aug 30 1900 Modoc Big Valley Mts. near Forestdale; Big Valley Mts. Comment
  HSC80767  Chimaphila umbellata G. M. Riegel 1979-8-21 680 Modoc S Warner Mtns. 1670 Comment
  CDA18855  Chorispora tenella R. Breckeridge 1999-6-15 PDR 1151663 Modoc Central Coast Ranges; Along Jones Lane, in the vicinity of Alturas. 1328 Comment
  JEPS58685  Chrysolepis sempervirens Leland S. Smith 1918-10-20 1056 Modoc North Fork Davis Creek; Modoc Forest 2133 Comment
  CAS-BOT-BC15031  Chrysothamnus humilis Elmer Ivan Applegate 1932-8-5 8183 Modoc S slope of Cedar Mountain, Warner Mountains Comment
  CAS-BOT-BC15008  Chrysothamnus nauseosus subsp. albicaulis Bruce Bartholomew 1991-10-12 6112 Modoc Roadside next to Roney Flat on Forest Service Rd. 41N11. 1460 Comment
  CAS-BOT-BC15042  Chrysothamnus nauseosus subsp. albicaulis Elmer Ivan Applegate 1936-9-22 11056 Modoc Gilliam Bluff, Lava Beds National Monument Comment
  SEINET5926447 Image available Chrysothamnus nauseosus var. speciosus E. K. Balls, P. C. Everett 1952-1 18152 Modoc Off rd to Fandango Pass, 2 I SE of Buck's Creek Ranger Station Comment
  CAS-BOT-BC14982  Chrysothamnus viscidiflorus subsp. puberulus Bruce Bartholomew 1991-8-6 6093 Modoc 9 km E of Eagleville, Surprise Valley. 1450 Comment
  CAS-BOT-BC14997  Chrysothamnus viscidiflorus subsp. viscidiflorus Delzie Demaree 1959-8-15 41484 Modoc Canby, Modoc National Forest Comment
  CHSC109510  Chrysothamnus viscidiflorus subsp. viscidiflorus L. P. Janeway; B. Castro 2012-7-25 10997 Modoc Warner Mountains. Along Twelve Mile Creek 3.5 air mi east-southeast of Dismal Swamp and 2.7 air km norhteast of Mount Bidwell. 2182 Comment
  RSA795595  Chrysothamnus viscidiflorus subsp. viscidiflorus L. Ahart, John Dittes 2010-8-30 17061 Modoc Near the homestead, about 100 yards east of the fence, Ash Creek State Wildlife Area, 2300 feet north of Lassen County Line, about 3.6 air miles west of Adin, about 8.0 air miles northeast of Bieber, Big Valley. 1268 Comment
  CHSC106169  Cichorium intybus Lowell Ahart; John Dittes 2010-8-30 17101 Modoc On east side of Elkins Lane, about 10 yards south of the bridge across Ash Creek, Ash Creek State Wildlife Area, 2300 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  NY850375  Circaea alpina subsp. pacifica B. M. Bartholomew 1990-7-20 5535 Modoc Buck Creek between Del Pratt Spring and Howard Flat, west side of Warner Mountains 1990 Comment
  CDA21202  Cirsium K. Haas 2007-2-6 PDR 1402971 Modoc Modoc Plateau; County Rd. 1, Cedarville. 0 Comment
  RSA0070848  Cirsium andersonii Bruce Bartholomew, B. Anderson 1990-7-19 5441 Modoc Sweagert Flat. 1860 Comment
  CDA1061  Cirsium arvense T. C. Fuller 1959-7-8 2746 -B Modoc Grainfield, 1.5 mi. South of Tulelake. 0 Comment
  UC1276069  Cirsium arvense Loring White 1959-7-2 Modoc 1.5 mi s Tule Lake Comment
  SEINET3840780  Cirsium arvense var. mite Thomas Parsons Fuller, T. W. 1960-7-26 4872 Modoc 1.5 miles South of Tulelake, Highway 139, in grain field Comment
  CAS-BOT-BC14957  Cirsium cymosum Roxana Stinchfield Ferris; R. Duthie 1919-6-14 70 Modoc Above Parker Creek. 1981 Comment
  JEPS15466  Cirsium cymosum var. cymosum Joseph and Hilda W. Grinnell 1938-6-14 1103 a Modoc above Goose Lake (slope of Sugar Hill); Sugar Hill 1524 Comment
  CAS-BOT-BC14973  Cirsium douglasii var. breweri Herbert Louis Mason 1947-8-11 13500 Modoc Hwy 81, N of Modoc-Lassen County line. Comment
  CAS-BOT-BC14974  Cirsium douglasii var. breweri Thomas C. Fuller 1975-9-4 20098 Modoc Lunsford Spring, California Pines. Comment
  CAS-BOT-BC14975  Cirsium douglasii var. breweri Louis Cutter Wheeler 1935-9-10 3966 Modoc McGinty Reservoir, Devil's Garden 1463 Comment
  CAS-BOT-BC14933  Cirsium occidentale var. candidissimum John Thomas Howell 1934-6-13 12084 Modoc Surprise Valley near Fort Bidwell. Comment
  CAS-BOT-BC14935  Cirsium occidentale var. candidissimum Roxana Stinchfield Ferris 1951-9-14 12466 Modoc Cedar Pass, Warner Mountains, between Cedarville and Alturas Comment
  CAS-BOT-BC14936  Cirsium occidentale var. candidissimum Annie Montague Alexander; L. Kellogg 1946-6-22 4813 Modoc 2 mi. N of Lake City. 1414 Comment
  SEINET195907  Cirsium occidentale var. candidissimum Annie M. Alexander 1946-6-18 4803 Modoc Patterson Mill-Silver Creek roads Comment
  CAS-BOT-BC14934  Cirsium occidentale var. candidissimum Isabelo T. Kelly 1930-1-1 39 Modoc E slope of Warner Range. Comment
  RSA0070698  Cirsium occidentale var. candidissimum F. H. Frost 1925-7-11 16 Modoc Cedar Canyon campsite, 2 miles above Cedarville. Comment
  CAS-BOT-BC14938  Cirsium scariosum Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10522 Modoc Patterson Ranger Station (East Creek drainage), Modoc National Forest, Warner Mountains 2164 Comment
  CAS-BOT-BC14939  Cirsium scariosum Elmer Ivan Applegate 1932-8-1 8041 Modoc Arid summit of Warner Mts. just S of Warren Peak. Comment
  HSC5379  Cirsium vulgare M. T. Milligan 1966-7-26 579 Modoc N end of Jess Valley 1616 Comment
  RSA164356  Clarkia gracilis subsp. gracilis Clare B. Hardham 1961-6-19 7818 Modoc Warner Mountains, Davis Creek 1524 Comment
  RSA165627  Clarkia gracilis subsp. gracilis Clare B. Hardham 1961-6-19 7848 Modoc Willow Creek. Comment
  RSA520376  Clarkia gracilis subsp. gracilis Bruce Bartholomew, B. Anderson 1989-6-1 4739 Modoc Ca. 0.5 km S of State Hwy 299 on road to Shaker Spring. 1420 Comment
  CAS-BOT-BC191057  Clarkia lassenensis Mrs. H. C. Cantelow 1940-6-1 4035 Modoc NW of Alturas, Hwy 395. 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
  SEINET5512252  Clarkia lassenensis J. C. Beatley 1964-1 Modoc Tule Lake area. Drainage area: Artemisia-Juniper 1829 Comment
  UC1184379  Clarkia lassenensis Peter H. Raven with Otto T. Solbrig 1958-6-18 13314 Modoc Cottonwood Flat Camp Ground Modoc National Forest Comment
  HSC16260  Clarkia purpurea subsp. quadrivulnera M. T. Milligan 1964-7-20 158 Modoc N end of Jess Valley, near Mill Creek. 1677 Comment
  CAS-BOT-BC197445  Claytonia lanceolata Annie Montague Alexander; L. Kellogg 1946-6-15 4773 Modoc Deep Creek. 2133 Comment
  CAS-BOT-BC197449  Claytonia lanceolata Bruce Bartholomew 1994-5-28 6722 Modoc Between Joseph Creek Basin and Halls Meadow, W side of Warner Mts. 1880 Comment
  CAS-BOT-BC197439  Claytonia megarhiza Elmer Ivan Applegate 1932-8-3 8116 Modoc Rocky crest of Warner Mts. just N of Eagle Peak. Comment
  JEPS43365  Claytonia megarhiza W. L. Jepson 1918-8-13 7976 Modoc Eagle Peak summit Eagle Peak; Warner Mts. 3017 Comment
  CHSC67127  Claytonia perfoliata James D. Jokerst 1987-5-14 2880 Modoc Radar Survey Site S of doublehead Mtn., S of Clear Lake Reservoir, E and adjacent to SW-NE oriented fence. 1348 Comment
  CAS-BOT-BC197435  Claytonia perfoliata subsp. intermontana Bruce Bartholomew; Barrett Anderson 1989-4-27 4631 Modoc Little Hot Spring Valley, 4.0 km NW of Day. 1070 Comment
  CAS-BOT-BC197465  Claytonia rubra subsp. rubra Bruce Bartholomew; M; M. Gilbert; L. E. Skog 1993-5-10 6475 Modoc 1.9 km NE of Fee Reservoir Road on Barrel Spring Road, N end of Surprise Valley. 1670 Comment
  CAS-BOT-BC197469  Claytonia rubra subsp. rubra Belknap C. Goldsmith 1912-4-20 76 Modoc Near Cedarville at foot of Warner Mts. 1493 Comment
  HSC17707  Claytonia rubra subsp. rubra M. T. Milligan 1964-6-25 82 Modoc Upper Lassen Creek 1829 Comment
  SEINET8727062 Image available Cleome platycarpa Helen K. Sharsmith 1955-1 4503 Modoc West Valley Reservoir in sagebrush-juniper. Just outside west boundary Modoc National Forest, west slope Warner Mountains. 1524 Comment
  HSC30041  Collinsia linearis D. H. Norris, S. Dowty, Thomas W. Nelson 1971-6-23 19512 Modoc Big Valley Summit, 6 mi. W of Adin on Hwy. 299 Comment
  CAS-BOT-BC226087  Collinsia parviflora John Thomas Howell 1934-6-13 12055 Modoc Fandango Pass. 1828 Comment
  CAS-BOT-BC229855  Collinsia parviflora Betty J. Hammerly 1941-6-20 38 Modoc Clear Lake. 1767 Comment
  CHSC85138  Collinsia parviflora John Dittes; Josephine Guardino 1991-6-1 373 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
  POM260476  Collinsia parviflora C. Leo Hitchcock 1940-5-27 6687 Modoc 15 miles northeast of Alturas. 1616 Comment
  UC1025094  Collinsia parviflora Leo Whitney 1934-5-2 1655 Modoc near Hockamore (Modoc National Forest); Modoc National Forest 1463 Comment
  HSC80800  Collinsia parviflora G. M. Riegel 1980-7-9 858 Modoc South Warner Mtns. 1670 Comment
  POM42853  Collinsia parviflora R. M. Austin 1895-07 438 Modoc Goose Lake. Comment
  SEINET10548294  Collinsia parviflora Jeffrey Huber 1971-6-3 Huber 100 Modoc 5 mi. S of Canby on Calif. Hwy. 299. 1280 Comment
  CAS-BOT-BC229874  Collinsia torreyi Leland S. Smith 1924-6-8 1369 Modoc Timber E of Egg Lake. 1310 Comment
  UC26672  Collinsia torreyi var. torreyi Milo S. Baker 1893-8-10 Modoc Modoc County Comment
  JEPS17635  Collinsia torreyi var. wrightii Rimo Bacigalupi with G. Thomas Robbins 1955-7-20 5399 Modoc 3.3 mi e Patterson Ranger Station (flat at summit of forest rd across s end of Warner Range); Warner Mtns 2225 Comment
  CAS-BOT-BC190724  Collomia linearis Barrett Anderson 1986-7-9 3173 Modoc Stough Reservoir Rd just E of Cedar Pass near Stough Reservoir. 1965 Comment
  HSC65597  Collomia linearis Thomas Wood 1979-8-9 231 Modoc Dirt road along Bidwell Creek, 2.7 mi. NW of jct. with Co. Hwy. 2. N of Fort Bidwell 1555 Comment
  SEINET13975533  Collomia linearis M. J. Williams 1984-6-30 84- 81 -4 Modoc 9.6 mi from Gerlach-Cedarville roa on the Parker Creek road, W side of the Warner Mtns., S. of Cedar Pass. 1829 Comment
  JEPS71069  Collomia tinctoria Frances D. Payne 1932-7-1 658 Modoc 2 mi sw Warren Peak (dry slope); Warner Mts., Pine Creek Basin Comment
  CAS-BOT-BC225784  Comandra umbellata subsp. californica Bruce Bartholomew 1995-6-1 6926 Modoc 2.7 km E of Day between Day and Lookout on County Road 94. 1340 Comment
  CAS-BOT-BC214801  Comarum palustre Robert Folger Thorne; C. W. Tilforth 1969-9-5 39162 Modoc Clear Lake, Warner Mts. Modoc National Forest 1767 Comment
  CAS-BOT-BC21481  Conium maculatum Bruce Bartholomew 1990-6-17 5286 Modoc Surprise Valley, SW side of Lower Alkali Lake, 3.2 km N of Lassen County border. 1370 Comment
  SJSU9370  Conringia orientalis W. Savage 1979-7-8 1480 Modoc W side of Fairchild Swamp Unit, Triangle, Devils Garden District, Modoc National Forest 1493 Comment
  SEINET3479097  Conyza canadensis Unknown 1991-8-28 4447 Modoc Modoc National Forest, Modoc National Forest, Kelley Spring, 3.4 miles from highway 299 at Rush Creek, on primary Forest Service Road 22 and Road 40N33 1640 Comment
  RSA763574  Cornus glabrata Doris Bowers 1972-9-2 1895 Modoc Upper Camp, Rush Creek, N/o Adin 1220 Comment
  CAS-BOT-BC210269  Cornus sericea Frances Payne 1931-6-10 141 Modoc Parker Creek, Warner Mts. 1584 Comment
  UC21538  Cornus sericea subsp. sericea Milo S. Baker 1893-6-15 Modoc mountain creek 1371 Comment
  RSA603602  Crassula solieri L. C. Wheeler 1935-10-6 4031 Modoc Lily Lake, Pine Creek, Warner Mtns. 2073 Comment
  POM140051  Crataegus castlegarensis Milo S. Baker 1893-1 s.n. Modoc [Unspecified] Comment
  CAS-BOT-BC197565  Crataegus douglasii Francis Dorris Payne 1931-6-21 232 Modoc Gulch N of Parker Creek, Warner Mts. 1828 Comment
  CHSC100511  Crataegus douglasii Lowell Ahart; John Dittes 2008-8-25 15330 Modoc On the north bank of Ash Creek, Ash Creek State Wildlife Area, 4500 feet south of County Road 87, 2.7 miles (air) west of Adin, 9.1 miles (air) northeast of Bieber. 1271 Comment
  HSC102677  Crataegus douglasii J. P. Smith, J. O. Sawyer 2011-8-13 13365 Modoc Fence row along County Road 86. 1304 Comment
  CAS-BOT-BC14901  Crepis acuminata Bruce Bartholomew 1991-8-4 6016 Modoc Drift Fence Tank, ca. 8 km directly W of Goose Lake. 1580 Comment
  SJSU9607  Crepis acuminata W. Savage 1979-7-7 1466 Modoc Triangle, Devils Garden District, Modoc National Forest 1493 Comment
  UC581244  Crepis modocensis E. B. Babcock and G. L. Stebbins Jr. 1936-6-9 1807 Modoc about 3 mi w Cedarville; Warner Mountains, Cedar Creek Canyon Comment
  SBBG30620  Crepis occidentalis D. Myrick 1968-6-20 1961 Modoc E edge of Alturas 1332 Comment
  SBBG8042  Crepis occidentalis H. and M. Dearing 1939-6-9 3639 Modoc N of Squaw Peak, Warner Mtns Comment
  SBBG8043  Crepis occidentalis H. and M. Dearing 1939-6-8 3590 Modoc near Goose Lake 1219 Comment
  SJSU9575  Crepis occidentalis W. Savage 1979-7-3 1328 Modoc Triangle, Antelope Plains, Devils Garden District, Modoc National Forest 1493 Comment
  UC748135  Crepis occidentalis subsp. conjuncta Annie M. Alexander and Louise Kellogg 1946-7-18 5016 Modoc near Benton Meadow; Warner Mountains 2072 Comment
  JEPS23939  Crocidium multicaule L. S. Smith 1924-5-31 Modoc Egg Lake Modoc National Forest, Egg Lake Comment
  UC1004195  Crocidium multicaule W. A. Weber and Lewis S. Rose 1953-5-22 8451 Modoc 7 mi e Alturas (on road to Cedarville) 1371 Comment
  CAS-BOT-BC218202  Croton setiger Bruce Bartholomew 1989-7-14 4955 Modoc Survice Gulch ca. 3 km NE of Egg Lake. 1340 Comment
  SJSU9561  Croton setiger W. Savage 1979-7-3 1301 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  JEPS123863  Crypsis alopecuroides Lowell Ahart, John Dittes 2015-7-16 20385 Modoc Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. Comment
  CHSC113086  Crypsis schoenoides Lowell Ahart; John Dittes 2013-7-24 18913 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
  JEPS121219  Crypsis schoenoides Lowell Ahart, John Dittes 2013-7-24 18913 Modoc N side of Ash Creek Floodplain, 0.54 air miles SE of Pilot Butte parking area, 1.1 air miles S of County Road 87, 6.8 air miles W of Adin, Big Valley. Comment
  UCD120115  Cryptantha Herbert L. Mason; Verne Grant 1947-7-9 13316 Modoc Cedar Pass, summit of Warner Range. 1920 Comment
  CAS-BOT-BC54142  Cryptantha circumscissa Bruce Bartholomew 1993-6-13 6618 Modoc Near the Nevada border, E of Eagleville, Surprise Valley. 1510 Comment
  POM368342  Cryptantha circumscissa Christopher Davidson 1973-5-24 2108 Modoc S of Alturas on Hwy 395 near Likely. 1311 Comment
  CAS-BOT-BC54105  Cryptantha intermedia Alice Eastwood; John Thomas Howell 1940-6-13 8157 Modoc E side of Fandango Pass. Comment
  CAS-BOT-BC54109  Cryptantha intermedia Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16382 Modoc 5 mi. E of Hwy 299 on Cedar Pass road. Comment
  UC24699  Cryptantha intermedia M. S. Baker and Frank Nutting 1894-6-4 Modoc Little Hot Spring Valley Comment
  UC78723  Cryptantha intermedia Mrs. R. M. Austin Jul 1884 Modoc Goose Lake Valley Comment
  CAS-BOT-BC54112  Cryptantha simulans Alice Eastwood; John Thomas Howell 1940-6-14 8236 Modoc Near Hackamore. Comment
  HSC3624  Cryptantha simulans M. T. Milligan 1966-8-3 634 Modoc W slope of Eagle Peak Comment
  SDSU20105  Cryptantha simulans Lee Ripma, R. B. Kelley 2012-7-24 386 Modoc Side of FR31. 2386 Comment
  SDSU20208  Cryptantha subretusa Ronald B. Kelley 2006-6-27 1153 Modoc Just south of Pepperdine Camp area, southwest of Summit Trail, in Warner Mtns., 5 minutes south of wilderness boundary sign. 2163 Comment
  CAS-BOT-BC54081  Cryptantha torreyana John Thomas Howell 1934-7-1 12348 A Modoc Duncan Horse Camp. 1355 Comment
  CAS-BOT-BC54077  Cryptantha torreyana John H. Hatton 1911-6-22 151 Modoc Huffman Ranch. 1615 Comment
  UC79458  Cryptantha torreyana Milo S. Baker 1893-7-5 Modoc Comment
  CDA5585  Cuscuta approximata Goss 1932-10-3 Modoc 0 Comment
  UC450146  Cuscuta indecora Milo S. Baker 1899-8-18 Modoc Little Hot Spring Valley Comment
  CHSC117142  Cyperus squarrosus Lowell Ahart; John Dittes 2016-7-14 21201 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-BC30211  Cystopteris fragilis Annie Montague Alexander; L. Kellogg 1946-7-23 5059 Modoc Emerson Peak, Warner Mts. Comment
  RSA17704  Cystopteris fragilis Elmer I. Applegate 1932-8-2 8096 Modoc Mill Creek Meadows, west slope Warner Mountains, rocks along stream Comment
  RSA152455  Cystopteris fragilis I. L. Wiggins, Dorothy Wiggins 1961-6-12 16422 Modoc Near summit of Cedar Pass, between Alturus and Cedarville 1959 Comment
  UC922416  Cystopteris fragilis Annie M. Alexander and Louise Kellogg 1946-6-14 4747 Modoc <edge of> Barber Creek Patterson Mill Rd 1798 Comment
  CAS-BOT-BC245211  Damasonium californicum Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-15 16520 Modoc Mesa 11 mi W of Canby on Hwy. 139. Comment
  CAS-BOT-BC245216  Damasonium californicum M. Vasey 1990-6-30 9025 Modoc Around NW margin of Egg Lake. 1300 Comment
  UC682120  Danthonia unispicata G. L. Stebbins Jr. with A. A. Beetle 1942-5-30 3244 Modoc 7.3 mi e Adin (on hwy to Alturas) 1395 Comment
  UCD61350  Danthonia unispicata A. A. Beetle 1941-6-29 2834 Modoc Near summit of Mt. Adin. 1828 Comment
  CAS-BOT-BC214749  Dasiphora fruticosa Leland S. Smith 1917-8-6 131 Modoc Benton Meadows 2194 Comment
  JEPS12204  Datura stramonium F. H. Frost 1925-7-18 82 Modoc 2 mi s of Cedarville (Cedarville roadside) Comment
  CAS-BOT-BC217338  Delphinium andersonii James Vale; et al 1978-5-1 Modoc Lookout-Hackamore Road, N of Bieber. Comment
  CAS-BOT-BC217348  Delphinium depauperatum M. Vasey 1990-6-29 9020 Modoc Along S Emerson Trail, near trailhead. South Warner Wilderness. 2377 Comment
  CHSC117862  Delphinium depauperatum L. P. Janeway 2016-5-17 12041 Modoc Modoc Plateau. Devils Garden area; where Road 45N06 crosses Logans Slough; about 3.2 air-km north of Big Sage Reservoir. 1494 Comment
  UC118657  Delphinium depauperatum Mrs. R. M. Austin 1894-1 Modoc Willow Creek Comment
  UC1037209  Delphinium nudicaule Leo Whitney 1934-4-29 1569 Modoc 15 mi w Canby; Modoc National Forest, Happy Camp 1463 Comment
  CAS-BOT-BC217309  Delphinium nuttallianum C. L. Hitchcock 1940-5-27 6505 Modoc 15 mi. NE of Alturas. 1676 Comment
  CAS-BOT-BC217321  Delphinium nuttallianum Bruce Bartholomew; Barrett Anderson 1988-5-12 4117 Modoc S side of Egg Lake. 1300 Comment
  POM260467  Delphinium nuttallianum C. L. Hitchcock 1940-5-27 6705 Modoc 15 miles NE of Alturas. 1677 Comment
  RSA8256  Delphinium stachydeum Elmer I. Applegate 1932-8-1 s.n. Modoc West slope Warner Mountains, Mill Creek Meadows region. 2439 Comment
  RSA504710  Deschampsia cespitosa subsp. cespitosa Bruce Bartholomew, B. Anderson 1988-7-22 4544 Modoc Benton Meadow, Warner Mountains 2180 Comment
  CAS-BOT-BC242477  Deschampsia danthonioides Alan Ackerman Beetle 1941-6-29 2838 Modoc S slope of Mt. Adin. Comment
  UCD61407  Deschampsia danthonioides L. Whitney 1935-5-23 Modoc Near Dam--Hackamore Reservoir. 1462 Comment
  UCD62393  Deschampsia danthonioides Elizabeth Wilson Date Unknown Modoc Modoc Co. Comment
  JEPS68494  Deschampsia danthonioides Leland S. Smith 1918-1 862 Modoc Granger Mill Comment
  SEINET10524162  Deschampsia danthonioides Alan A. Beetle 1941-6-29 Beetle 2838 Modoc South slope of Mt. Adin, sandy disturbed soil in roadside ditch. Comment
  CAS-BOT-BC247770  Deschampsia elongata Bruce Bartholomew; Barrett Anderson 1988-7-23 4598 Modoc Pine Creek, 4 km E of U.S Highway 395 on the road to Lily Lake, Warner Mts.. 1620 Comment
  CHSC85398  Deschampsia elongata John Dittes; Josephine Guardino 1991-8-24 459 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
  HSC80821  Deschampsia elongata G. M. Riegel 1980-8-7 1006 Modoc S Warner Mtns. 2100 Comment
  UC70674  Deschampsia elongata Mrs. M. H. Manning June 1903 430 Modoc n.e. Modoc Co. Comment
  CAS-BOT-BC42982  Descurainia incisa subsp. incisa Roxana S. Ferris; Laura Lorraine 1941-8-13 10573 Modoc Modoc National Forest. Warner Mountains. Patterson Ranger Station (East Creek drainage). 2164 Comment
  HSC81065  Descurainia incisa subsp. incisa G. M. Riegel 1979-7-5 501 Modoc S Warner Mtns. 2100 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-BC242119  Dichelostemma capitatum subsp. capitatum Bruce Bartholomew; Mona Bourell 1990-4-26 5148 Modoc 0.5 km S of Day. 1100 Comment
  CAS-BOT-BC242115  Dichelostemma multiflorum Roxana Stinchfield Ferris; R. Duthie 1919-6-13 68 Modoc Near Parker Creek, 15 mi. from Alturas. Comment
  UC469011  Dieteria canescens var. shastensis Franklin P. Nutting Modoc Forrestdale Comment
  UC73890  Dieteria canescens var. shastensis Milo S. Baker 1893-6 Modoc Comment
  CAS-BOT-BC14840  Dimeresia howellii Annie Montague Alexander; L. Kellogg 1946-8-9 5147 Modoc Patterson Lake Trail, Warner Mts. Comment
  CAS-BOT-BC172826  Dimeresia howellii B. Bartholomew 1991-6-22 5858 Modoc 2.9 km NE of road between Fort Bidwell and Fee Resrvoir on road to Big Mud Lake 1680 Comment
  CHSC75454  Dimeresia howellii V. H. Oswald; B. Corbin, A. Sanger, G. Schoolcraft 1999-6-12 9763 Modoc Soldier Creek Canyon adjacent to USFS 43N57 in the Warner Mtns. northeast of Stough Reservoir Campground, north side of Hwy. 299, east side of Cedar Pass. 2072 Comment
  RSA155895  Dimeresia howellii Peter H. Raven 1962-5-29 17879 Modoc Canyon south of Hwy 3.4 miles east of Cedar Pass. Warner Mountains Comment
  UCSB31429  Dimeresia howellii Haller, John 1978-7-19 Modoc Summit ridge of Warner Mountains, 1 km north of the Likely-Eagleville Road 2377 Comment
  CAS-BOT-BC234452  Diplacus nanus M. M. Hanna 1956-6-7 s.n. Modoc Junction Highway 139 and Glass Mt. Road. Comment
  CAS-BOT-BC234492  Diplacus nanus Alice Eastwood; John Thomas Howell 1940-6-11 8027 Modoc 8 mi. from Canby on road to Alturas. Comment
  CAS-BOT-BC234483  Diplacus nanus James T. Vale 1978-7-18 s.n. Modoc Payne Springs Comment
  CAS-BOT-BC234442  Diplacus tricolor Bruce Bartholomew 1991-7-6 5965 Modoc 2.4 km W of County Road 91 Forest Service road 42N03. 1340 Comment
  CAS-BOT-BC234443  Diplacus tricolor Bruce Bartholomew 1991-7-6 5989 Modoc Sand Flat on Loveness Logging Road. 1370 Comment
  CAS-BOT-BC95630  Dipsacus fullonum Bruce Bartholomew 1995-8-1 7141 Modoc 14.8 km N of turn off to Cedarville on U.S. Hwy 395 and 8 km S of Davis Creek. 1450 Comment
  CAS-BOT-BC247766  Distichlis spicata Bruce Bartholomew 1989-8-11 5059 Modoc Along W side of Goose Lake, 3.5 km S of the Oregon border on National Forest Road 48. 1430 Comment
  UC640440  Dodecatheon alpinum Elmer I. Applegate 1932-8-7 8228 Modoc along mossy stream at Lily Lake Warner Mountains, , Lily Lake (Bidwell Pass) Comment
  CAS-BOT-BC218279  Dodecatheon conjugens var. conjugens Leo David Whitney 1935-5-19 3108 Modoc Edge of Hackamore River, near Hackamore. Comment
  CAS-BOT-BC218284  Dodecatheon conjugens var. conjugens R. M. Austin 1898-4-1 2308 Modoc Plains, Goose Lake. Comment
  CAS-BOT-BC95113  Downingia bacigalupii Leland S. Smith 1924-6-4 1368 Modoc S side of Egg Lake. Comment
  CAS-BOT-BC95114  Downingia bacigalupii Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-15 16515 Modoc 13 mi. W of Canby along State Hwy 139. Comment
  CAS-BOT-BC95116  Downingia bacigalupii Alice Eastwood; John Thomas Howell 1940-6-14 8224 Modoc 8 mi. NW of Canby. Comment
  CAS-BOT-BC95119  Downingia bacigalupii K. Paulson; Robert Paulson 1989-6-21 140 Modoc Vicinity of N Fork of Fitzhugh Creek, W side of the Warner Mts. 1493 Comment
  CHSC106182  Downingia bacigalupii Lowell Ahart; John Dittes 2010-8-31 17124 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
  CHSC117038  Downingia bacigalupii Lowell Ahart; John Dittes 2016-6-6 20962 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
  UC1608315  Downingia bacigalupii J. Kierstead 1991-7-5 91 -97 Modoc 1.9 mi nw town of Day Comment
  RSA505679  Downingia bacigalupii G. H. True 1939-6-25 1034 Modoc Boles Meadow NE of Alturas. Comment
  SEINET12329659  Downingia bicornuta N. H. Holmgren, Holmgren, P. K. 1980-1 9452 Modoc California Highway 139, 22.9 km (14.2 mi) west-northwest of junction with U.S. Highway 299, 21 km 1460 Comment
  CAS-BOT-BC95137  Downingia insignis Rimo Carlo Felice Bacigalupi; G. Smith 1957-6-28 5988 Modoc Along railroad, 0.8 mi. E of Canby. 1219 Comment
  UC635667  Downingia insignis F. H. Frost 1925-7-28 176 Modoc between Likely and Alturas Comment
  HSC26584  Downingia montana D. H. Norris, T. Nelson, S. Dowty 1971-6-23 19504 Modoc Big Valley Summit, 6 mi. W of Adin on Hwy. 299 Comment
  HSC80856  Draba albertina G. M. Riegel 1980-8-7 1013 Modoc S Warner Mtns. 2341 Comment
  UC1446113  Draba albertina Gary Schoolcraft 1979-8-8 168 Modoc 2133 Comment
  UC748106  Draba densifolia Annie M. Alexander and Louise Kellogg 1946-8-9 5142 Modoc slope of Squaw Peak Warner Mountains, slope of Squaw Peak (Patterson Lake trail) Comment
  RSA520363  Draba verna Bruce Bartholomew, B. Anderson 1989-4-27 4620 Modoc 2.1 km SSE of Day on road to State Highway 299. 1020 Comment
  UC1594774  Drymocallis David Charlet 1989-8-15 500 Modoc 1 km nw Eagle Peak; South Warner Mountains, nw of Eagle Peak 2550 Comment
  CAS-BOT-BC214765  Drymocallis glandulosa Leland S. Smith 1918-8-17 1036 Modoc Eagle Peak Ridge above Emerson. 2621 Comment
  CAS-BOT-BC214769  Drymocallis glandulosa Bruce Bartholomew 1990-6-16 5254 Modoc Between roadhead and Pine Creek Basin, W side of Warner Mountains. 2130 Comment
  CAS-BOT-BC214755  Drymocallis glandulosa Elmer Ivan Applegate 1935-6-10 9478 B Modoc S base of Caldwell Butte, Lava Beds Natonal Monument. Comment
  POM172481  Drymocallis glandulosa var. glandulosa Franklin Nutting 1894-6-13 s.n. Modoc W side of Egg Lake Comment
  CAS-BOT-BC214759  Drymocallis glandulosa var. reflexa Roxana Stinchfield Ferris; R. Duthie 1919-6-15 88 Modoc Near Parker Creek, Modoc Nat. Forest. 1676 Comment
  CAS-BOT-BC14850  Dugaldia hoopesii Elmer Ivan Applegate 1932-8-1 8046 Modoc Arid E slope of Warren Peak near summit, Warner Mountains Comment
  UC1100266  Echinochloa crus-galli Herbert L. Mason 1947-8-12 13510 Modoc junction of North and South forks of Pit River Alturas; junction of North and South forks of Pit River Comment
  JEPS123979  Elatine Lowell Ahart, John Dittes 2015-7-15 20354 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
  RSA604674  Elatine californica L. C. Wheeler 1935-8-23 3913 Modoc South Mt. Reservoir, Devil's Garden. 1677 Comment
  CHSC117370  Elatine rubella Lowell Ahart; John Dittes 2016-7-14 21169 Modoc New sides 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
  UC1101534  Elatine triandra Herbert L. Mason 1947-8-8 13472 Modoc nw Alturas (sw margin of Big Sage Reservior) Comment
  CHSC99268  Eleocharis acicularis var. acicularis Lowell Ahart; John Dittes 2008-6-21 14992 Modoc In the drying pond north of the large culvert, east of the large levee, mountain meadow, in Big Valley about 2.8 miles (air) north of the Headquarters at Ash Creek State Wildlife Area, about 5.4 miles (air) northeast of Bieber. 1255 Comment
  UC1100602  Eleocharis engelmannii var. detonsa Herbert L. Mason 1947-8-13 13525 Modoc N of Canby, NE side of F reservoir 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
  JEPS124386  Eleocharis obtusa Lowell Ahart, John Dittes 2015-7-15 20355 Modoc Ash Creek State Wildlife Area, about 3.9 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. Comment
  JEPS127582  Eleocharis pachycarpa L. P. Janeway 2016-5-18 12073 Modoc Modoc Plateau. Devils Garden area; Island Meadow, along Road 47N08 2.1 road-km north of Road 73/181/47N09. Beaver Mountain 7.5' Quad. Comment
  UCD18895  Eleocharis pachycarpa Vernal Pool Team 2001; Carol Witham and Jennifer Buck 2001-5-10 203 Modoc 5 mi. NE along Hwy 139 from its intersection with Hwy 299, south of hwy 139, Canby site, pool # CAN001. Comment
  CAS-BOT-BC242387  Eleocharis quinqueflora Louis Cutter Wheeler 1935-8-15 3862 Modoc Dismal Swamp. 2225 Comment
  UC70405  Elodea canadensis Milo S. Baker 1899-8-12 Modoc Egg Lake Comment
  CAS-BOT-BC245106  Elodea nuttallii Robert Folger Thorne; et al 1969-9-4 39118 Modoc N Fork of Pit River, 3.4 mi. N of Alturas where crossed by Hwy 395. 1341 Comment
  POM228876  Elodea nuttallii L. C. Wheeler 1935-9-29 4011 Modoc Two miles south of Alturas 1357 Comment
  UC1024965  Elymus X macounii Leo Whitney 1935-7-6 3444 Modoc near Lookout; Pit River Comment
  UC1026710  Elymus X saundersii L. D. Whitney 1935-7-1 3374 Modoc Hackamore River Comment
  UC1024909  Elymus X saxicola Leo Whitney 1935-7-3 3373 Modoc ca 17 mi nw Canby; Badger Wells Comment
  CHSC100122  Elymus cinereus L. P. Janeway; B. Castro 2008-8-16 9543 Modoc Modoc Plateau. Surprise Valley; east side of Middle Alkali Lake, south side of Hwy 299 10.5 km east of Cedarville. 1378 Comment
  HSC100177  Elymus cinereus J. P. Smith 2011-8-7 13359 Modoc Hwy 299 W of Alturas Comment
  HSC38774  Elymus cinereus A. M. Montalvo, J. D. Ackerman 1974-7-4 364 Modoc Howard's Gulch, 6 mi. NW of Canby, off Hwy. 139. Comment
  UCD61579  Elymus elymoides L. Whitney 1935-7-2 Modoc Badger Well. Comment
  CAS-BOT-BC247741  Elymus elymoides subsp. elymoides Bruce Bartholomew; Barrett Anderson 1990-7-20 5478 Modoc 10.3 km N of Buck Creek Ranger Station, crest of Warner Mountains W side of Warner Mts. 2130 Comment
  CAS-BOT-BC247746  Elymus elymoides subsp. elymoides Clare Butterworth Hardham 1961-6-20 7871 Modoc Pine Creek. Comment
  CAS-BOT-BC247751  Elymus elymoides subsp. elymoides Bruce Bartholomew; Barrett Anderson 1988-7-21 4452 Modoc Vicinity of Patterson Campground, southern end of the Warner Mts. 2190 Comment
  CAS-BOT-BC247756  Elymus elymoides subsp. elymoides Clare Butterworth Hardham 1961-6-19 7855 Modoc Willow Creek. Comment
  CAS-BOT-BC247761  Elymus elymoides subsp. elymoides Bruce Bartholomew 1990-8-5 5662 Modoc Summit Trail, ca. 2 km N of Patterson Ranger Station, W side of Warner Mts. 2300 Comment
  CDA31715  Elymus elymoides subsp. elymoides T. C. Fuller 1963-7-16 10917 Modoc North side of Fandango Pass Rd., 1.0 miles east of Hwy. 395 to Willow Ranch 0 Comment
  HSC10952  Elymus elymoides var. elymoides M. T. Milligan 1965-7-5 415 Modoc Ridges E of Jess Valley. 1829 Comment
  HSC10953  Elymus elymoides var. elymoides M. T. Milligan 1966-8-3 629 Modoc West slope of Eagle Peak. 2439 Comment
  HSC65366  Elymus elymoides var. elymoides J. P. Smith, J. O. Sawyer 1973-8-8 7214 Modoc Near summit of Eagle Peak 2988 Comment
  CAS-BOT-BC247736  Elymus glaucus Bruce Bartholomew 1989-8-11 5104 Modoc Vicinity of Patterson Ranger Station, S end of Warner Mountains. 2160 Comment
  HSC9710  Elymus glaucus M. T. Milligan 1966-6-28 475 Modoc East slope of volcanic plateau. 1677 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
  HSC8744  Elymus spicatus R. C. Wunner 1965-6-20 220 Modoc Lava Beds N.M., Lava Brook Cave. 1463 Comment
  UCD62721  Elymus trachycaulus Beecher Crampton; Carl Rimbey 1954-7-7 2137 Modoc West side of Cedar Pass, Warner Mountains. 1889 Comment
  SEINET10963959  Elymus trachycaulus Louis C. Wheeler 1935-8-4 Wheeler 3780 Modoc Sunny gravelly flat. Dry Lake, Pine Creek. Warner Mts. T48N R15E S35. 2103 Comment
  CAS-BOT-BC247728  Elymus trachycaulus subsp. trachycaulus Bruce Bartholomew; Barrett Anderson 1990-7-21 5574 Modoc Homestead Flat, ca. 2.5 km E of Patterson Ranger Station, E side of Warner Mts. 2160 Comment
  HSC8762  Elymus trachycaulus subsp. trachycaulus M. T. Milligan 1966-7-3 547 Modoc Slopes and ridges E of Jess Valley 1829 Comment
  UCD62688  Elymus trachycaulus subsp. trachycaulus August L. Hormay 1932-7-17 Modoc Lily Lake. Comment
  HSC9740  Elymus triticoides M. T. Milligan 1965-6-26 347 Modoc N end Jess Valley. 1616 Comment
  CHSC85415  Elytrigia intermedia John Dittes; Josephine Guardino 1991-7-21 437 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
  CDA2058  Elytrigia repens T. C. Fuller 1958-7-8 1940 Modoc Corporation Ranch, Likely. 0 Comment
  JEPS73938  Elytrigia repens Frances D. Payne 1932-7-14 685 Modoc s and e Alturas; Warner Mountains, Parker Creek, Porter Ranch 1524 Comment
  CAS-BOT-BC217287  Enemion stipitatum Bruce Bartholomew 1993-4-3 6411 Modoc Just S of Adin Pass on State Hwy 299. 1600 Comment
  CAS-BOT-BC191025  Epilobium brachycarpum Clare Butterworth Hardham 1974-8-4 20186 Modoc Headwaters of Dismal and 12 Mile creeks. 2133 Comment
  CAS-BOT-BC191029  Epilobium brachycarpum Mrs. H. C. Cantelow 1940-6-2 Modoc 10 mi. NW of Canby. Comment
  HSC16319  Epilobium brachycarpum M. T. Milligan 1965-6-30 390 Modoc N end of Jess Valley 1646 Comment
  UC1191733  Epilobium brachycarpum Herbert L. Mason and Verne Grant 1947-7-10 13337 Modoc 2 mi e Alturas; Dorris Reservoir Comment
  UC1191737  Epilobium brachycarpum Verne Grant and Irving Schneider 1947-8-27 8308 Modoc about 10 mi s Tulelake; Modoc National Forest Comment
  UC422802  Epilobium brachycarpum Milo S. Baker 1893-1 Modoc Egg Lake Comment
  UC71573  Epilobium campestre Mrs. M. H. Manning 1903-8-27 337 Modoc Mt. Bidwell, Tamarack flat Comment
  CAS-BOT-BC190997  Epilobium ciliatum subsp. ciliatum Leland S. Smith 1922-7-24 1313 Modoc Rush Creek Ranger Station pasture. 1905 Comment
  UC422932  Epilobium ciliatum subsp. ciliatum Milo S. Baker Aug. 1898 522 Modoc Forestdale Comment
  UC635378  Epilobium ciliatum subsp. ciliatum F. H. Frost 1925-7-25 159 Modoc Eagle Peak Warner Mountains Comment
  UC71663  Epilobium ciliatum subsp. ciliatum Mrs. M. H. Manning 1902-10-4 23 a Modoc Surprise Valley Comment
  HSC16324  Epilobium hallianum M. T. Milligan 1964-6-25 89 Modoc Upper Lassen Creek 1829 Comment
  UC201727  Epilobium hallianum W. P. Taylor and H. C. Bryant 1910-7-13 Modoc head N. Fork Parker Cr. Warner Mountains (near stream) 2225 Comment
  NY1000405  Epilobium hornemannii var. hornemannii C. L. Hitchcock 1940-5-27 6710 Modoc 15 miles northeast of Alturas 1615 Comment
  CAS-BOT-BC190947  Epilobium obcordatum Bruce Bartholomew 1990-8-4 5630 Modoc Crest of the Warner Mts., ca. 0.5 km SE of Patterson Lake along Summit Trail. 2770 Comment
  CHSC100851  Epilobium obcordatum L. P. Janeway 2008-8-17 9562 Modoc Warner Mountains. North slope of Bald Mountain; just below the cliffs at the top of the peak. 2409 Comment
  UC20219  Epilobium oregonense Milo S. Baker 1893-6 Modoc Comment
  CAS-BOT-BC190929  Epilobium pallidum Herbert Louis Mason; Verne Grant 1947-7-13 13441 Modoc Joseph Creek on Hwy 395. Comment
  HSC16224  Epilobium pygmaeum M. T. Milligan 1964-8-21 234 Modoc S end of Dorris Reservoir Dam 1372 Comment
  UCR150482  Epilobium saximontanum David A. Charlet 1989-8-14 475 Modoc Warner Mtns, 1.4 km NW of Eagle Peak 2550 Comment
  CAS-BOT-BC190864  Epilobium torreyi Clare Butterworth Hardham 1974-8-4 20183 Modoc Headwaters of Dismal and 12 Mile creeks. 2133 Comment
  JEPS123858  Equisetum laevigatum Lowell Ahart, John Dittes 2015-7-16 20393 Modoc Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. Comment
  UCD63825  Eragrostis mexicana subsp. virescens L. Whitney 1935-8-24 100 Modoc Modoc County. Comment
  CAS-BOT-BC95490  Eremogone aculeata Elmer Ivan Applegate 1932-7-9 7569 Modoc N slope of Bidwell Mountain. Comment
  CHSC109203  Eremogone aculeata L. P. Janeway; B. Castro 2012-7-24 10963 Modoc Warner Mountains. Along Forest Road/County Road 2 (the road from New Pine Creek to Fort Bidwell) 1.0 air km west of Lily Lake and 1.4 air km northwest of Yellow Mountain. 1948 Comment
  HSC80715  Eremogone aculeata G. M. Riegel 1980-7-24 583 Modoc S Warner Mtns. 1829 Comment
  CAS-BOT-BC95450  Eremogone congesta R. K. Gierisch; D. H. Esplin 1969-7-15 3544 Modoc unspecified 1524 Comment
  RSA0057647  Eremogone congesta var. suffrutescens Christopher Davidson 1973-5-26 2130 Modoc 4 miles W of Canby on Hwy 299. 1341 Comment
  RSA602677  Eriastrum sparsiflorum L. C. Wheeler 1935-8-2 3747 Modoc Twelve Mile Creek, Warner Mts. 2287 Comment
  CAS-BOT-BC291261  Ericameria bloomeri Mrs. C. C. Bruce 1899-8-1 s.n. Modoc Goose Lake Comment
  CAS-BOT-BC14780  Ericameria discoidea Bruce Bartholomew 1990-8-4 5647 Modoc Top of pass on Summit Trail, ca. 0.5 km SE of Patterson Lake, E side of Warner Mts. 2800 Comment
  SD64327  Ericameria greenei Darley F. Howe 1966-8-25 4300 Modoc Fandango Pass, Warner Mountains 1860 Comment
  CAS-BOT-BC287483  Ericameria greenei Annie M. Alexander; Louise Kellogg 1946-8-9 5132 Modoc Slope above Patterson Lake Trail, Warner Mts Comment
  JEPS117377  Ericameria nauseosa var. oreophila Lowell Ahart, John Dittes 2010-8-30 17052 Modoc About 3 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
  UC193100  Ericameria nauseosa var. oreophila Mrs. R. M. Austin 1894-8-1 Modoc n of Alturas Comment
  CHSC70464  Ericameria nauseosa var. speciosa A. Sanger 1997-8-21 2606 Modoc Along road south of large burn plantation, approx. 1.5 miles south of Forest Rd. 44N77. 1389 Comment
  UC217105  Ericameria nauseosa var. speciosa H. M. Hall 1921-9-8 11662 Modoc about 1 mi from the Oregon line (n Modoc County) Comment
  UCD131147  Ericameria parryi var. latior Beecher Crampton 1954-7-8 2198 Modoc 4 miles west of Alturas, on small volcanic mesa. Comment
  CAS-BOT-BC42840  Erigeron austiniae Bruce Bartholomew 1993-6-14 6650 Modoc 2 km E of County Road 114 on County Road 108, NW of Clear Lake Reservoir. 1320 Comment
  RSA42058  Erigeron barbellulatus Ella Dales Cantelow 1941-5-23 3567 Modoc 2 miles W of Adin, summit on US Hwy 299 Comment
  CAS-BOT-BC42850  Erigeron bloomeri var. bloomeri Bruce Bartholomew; Barrett Anderson 1989-6-2 4785 Modoc Long Canyon, 12 km NE of Fort Bidwell on the road to the Oregon border. 1550 Comment
  UC1228140  Erigeron chrysopsidis var. austiniae Beecher Crampton 1960-6-17 5686 A_ Modoc 5 mi s of Perez 1371 Comment
  HSC5505  Erigeron coulteri M. T. Milligan 1966-7-3 539 Modoc Slopes and ridges E of Jess Valley 1829 Comment
  CAS-BOT-BC42760  Erigeron eatonii var. plantagineus E. S. Willits 1940-6-5 328 Modoc Canby. 1371 Comment
  POM301767  Erigeron eatonii var. plantagineus Marion Ownbey, Fred G. Meyer 1940-7-1 2144 Modoc Cedar Peak, Warner Mountains. Comment
  RSA518731  Erigeron eatonii var. plantagineus Barbara Ertter 1988-6-18 7628 Modoc Hwy. 139 14.5 miles ENE of jct. Hwy 299 at Canby, N of Bessler Reservoir 1463 Comment
  JEPS13334  Erigeron eatonii var. plantagineus Rimo Bacigalupi with G. Thomas Robbins 1955-7-20 5394 Modoc summit of forest road 3.3 mi e Patterson Ranger Station; southern End of Warner Mts., Modoc Nat. Forest 2225 Comment
  CAS-BOT-BC49627  Erigeron filifolius Roxana Stinchfield Ferris; L. Lorraine 1941-8-14 10611 Modoc Summit of Fandango Pass, on road between Fort Bidwell and Pine Creek, Warner Mountains, Modoc N.F. 1889 Comment
  HSC5517  Erigeron filifolius M. S. Baker 1893-1 Modoc Lava Bed, Egg Lake Comment
  UC71822  Erigeron inornatus var. inornatus Mrs. M. H. Manning 1903-8-22 293 Modoc Warner Range Warner Range (ne Modoc County) Comment
  CHSC70466  Erigeron linearis A. Sanger 1997-6-3 2482 Modoc Along Mowitz Rd., at Bowles Cr. crossing. 1463 Comment
  RSA245023  Erigeron linearis D. H. Norris, T. Nelson, S. Dowty 1971-6-23 19364 Modoc along the South fork of the Pit River, about 6 miles east of Likely Comment
  UC31441  Erigeron linearis Mrs. R. M. Austin and Bruce Jul 1898 2187 Modoc Comment
  SD61002  Erigeron philadelphicus Darley F. Howe 1964-8-1 Modoc Harvey Creek, Modoc National Forest. Warner Mountains. 1830 Comment
  UC647930  Erigeron philadelphicus var. philadelphicus Bud Fuller 1936-7-10 37 Modoc 15 mi ne Alturas Comment
  UC217539  Eriogonum baileyi var. baileyi H. M. Hall 1921-9-9 11664 Modoc 6 mi Malin Comment
  CAS-BOT-BC248362  Eriogonum caespitosum B. Bartholomew; H. Sun 2002-6-24 8845 Modoc E of Bald Mt., on the E side of the Warner Mountains 2170 Comment
  CAS-BOT-BC497216  Eriogonum collinum Margaret J. Williams; Arnold Tiehm; Jan Nachlinger 1988-6-2 88- 28 -2 Modoc Jess Valley, E of Likely, S of roadside rest Comment
  CAS-BOT-BC197819  Eriogonum elatum Bruce Bartholomew; Barrett Anderson 1988-7-23 4557 Modoc Road beyond Poison Lake ca. 8 km S of the road from U.S. Highway 395 to Lily Lake, Warner Mts.. 2140 Comment
  CAS-BOT-BC197824  Eriogonum elatum Leland S. Smith 1924-6-29 1444 Modoc Happy Camp Ranger Station. Comment
  RSA165621  Eriogonum heracleoides var. heracleoides Clare B. Hardham 1961-6-21 7917 Modoc East of Lakeview Comment
  CAS-BOT-BC211404  Eriogonum nudum var. pubiflorum Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16640 Modoc 4 mi. E of Summit of Cedar Pass road. Comment
  CAS-BOT-BC211411  Eriogonum nudum var. pubiflorum Francis Dorris Payne 1932-7-11 691 Modoc Parker Creek. 1584 Comment
  CAS-BOT-BC211416  Eriogonum nudum var. pubiflorum M. M. Hanna 1956-6-5 Modoc E side of Cedar Pass. Comment
  HSC41115  Eriogonum nudum var. pubiflorum Thomas W. Nelson, Jane P. Nelson, James Nelson 1976-8-29 3257 Modoc Modoc National Forest: along Hwy. 299 just NW of Adin Pass 1524 Comment
  NY762345  Eriogonum nudum var. pubiflorum M. J. Williams 1983-7-29 83115- 1 Modoc Stowe Reservoir Road, north of Cedar Pass, Warner Mountains 2072.6 Comment
  RSA101375  Eriogonum nudum var. pubiflorum R. Weatherby 1955-7-8 1637 Modoc 3 mi. north of Ft. Bidwell, northern Warner Mts. 1555 Comment
  CAS-BOT-BC211433  Eriogonum nudum var. pubiflorum Leland S. Smith 1922-7-15 1270 Modoc Dry lake country T43-8 1432 Comment
  RSA601674  Eriogonum nudum var. pubiflorum Louis C. Wheeler 1935-8-14 3840 Modoc Pine Creek. Warner Mtns. 2012 Comment
  SEINET11261586  Eriogonum nudum var. pubiflorum Noel H. Holmgren, James L. Reveal 1964-8-21 1717 Modoc Warner Range, about 5 miles southwest of Eagleville on the Eagleville-Likely Road.; 0 Comment
  SEINET5330949  Eriogonum nudum var. pubiflorum M. S. Baker Unknown s.n. Modoc No data. Comment
  UC727132  Eriogonum nudum var. pubiflorum A. A. Heller 1941-6-26 16222 Modoc 4 mi w along U.S. Highway #299 Canby Comment
  CAS-BOT-BC211398  Eriogonum ovalifolium var. ovalifolium Bruce Bartholomew; Barrett Anderson 1989-6-2 4828 Modoc 9.7 km E of Eagleville at the California state border, E side of Surprise Valley. 1550 Comment
  NY283165  Eriogonum ovalifolium var. ovalifolium B. M. Bartholomew 1989-6-2 4828 Modoc 9.7 km. east of Eagleville at the California state border, east side of Surprise Valley. 1550 Comment
  RSA78967  Eriogonum ovalifolium var. ovalifolium E. K. Balls, Percy C. Everett 1952-10-11 18164 Modoc 4.9 mi. w. from turn off of Hwy 139 on road to Pumice Pits, e. edge of Glass Flow. 1280 Comment
  CAS-BOT-BC218196  Eriogonum prociduum Francis Dorris Payne 1931-6-29 280 Modoc Trail from Granger Pass to Mt. Warren, Warner Mts. 2438 Comment
  SD86299  Eriogonum prociduum James L. Reveal 1971-6-22 2462 Modoc Along U.S. Highway 395, 3.5 miles north of the junction of U. S. 395 with California Highway 299, and 1.2 miles north of the Chimney Rock Turnoff 1402 Comment
  UCR163354  Eriogonum prociduum Jim Andre 1993-7-4 1443 Modoc Centerville Rd. about 10 miles SW of Alturas 1402 Comment
  HSC80861  Eriogonum prociduum var. prociduum G. M. Riegel 1980-8-9 1030 Modoc S Warner Mtns. 1829 Comment
  HSC68925  Eriogonum prociduum var. prociduum Gary Schoolcraft 1980-8-10 Modoc Summit of Warner Mtns. 2683 Comment
  CAS-BOT-BC211388  Eriogonum sphaerocephalum var. halimioides Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16387 Modoc 5 mi. E of Calif. State Highway 299 along Cedar Pass Road. Comment
  CAS-BOT-BC211420  Eriogonum sphaerocephalum var. halimioides K. Paulson; Robert Paulson 1989-6-14 134 Modoc Ca. 1.5 mi. NE of Cedar Pass, Warner Mts. 1920 Comment
  RSA125288  Eriogonum sphaerocephalum var. halimioides Peter H. Raven, Otto T. Solbrig 1958-6-18 13317 Modoc Meadow in forest of Pinus Jeffreyi, along dirt road 8.8 mi. south of Happy Camp Guard Station, Modoc National Forest. Comment
  SEINET530722  Eriogonum sphaerocephalum var. halimioides Paul Opler 2008-7-12 Modoc Warner Mts., Cedar Pass, Hwy 299. N Slough Resvr. Campground. 1997 Comment
  CHSC32928  Eriogonum strictum var. anserinum J. P. Smith; J. O. Sawyer 1973-8-8 7246 Modoc South slopes of Eagle Peak. 2743 Comment
  CHSC67123  Eriogonum strictum var. anserinum James D. Jokerst 1987-5-14 2879 Modoc Radar Survey Site S of Doublehead Mtn., S of Clear Lake Reservoir, E and adjacent to SW-NE oriented fence. 1348 Comment
  NY283219  Eriogonum strictum var. anserinum M. J. Williams 1988-5-30 8826- 9 Modoc Jess Valley, east of Likely, south of roadside rest. 1524.0 Comment
  SEINET5331677  Eriogonum strictum var. proliferum M. J. Williams 1988-5-30 88- 26 -9 Modoc Jess Valley, E of Likely, S of roadside rest. 1524 Comment
  CAS-BOT-BC211372  Eriogonum umbellatum M. Vasey 1990-6-30 9064 Modoc Along County Road 95 in dried wetland nort of road near Egg Lake. 1500 Comment
  CAS-BOT-BC211373  Eriogonum umbellatum K. Paulson; Robert Paulson 1988-5-22 7 Modoc Devil's Garden. 1432 Comment
  NY399115  Eriogonum umbellatum var. dichrocephalum J. L. Reveal 1978-8-11 4821 Modoc Warner Mountains, along Modoc County Road 2 form near New Pine Creek to Fort Bidwell, just east of Poison Lake turnoff about 5.4 miles east of U.S. highway 395 1935.5 Comment
  NY399144  Eriogonum umbellatum var. dichrocephalum N. H. Holmgren 1964-8-22 1720 Modoc Warner Range, just below the top of Eagle Peak 3027.9 Comment
  NY399140  Eriogonum umbellatum var. glaberrimum J. L. Reveal 1978-8-11 4823 Modoc Warner Mountains, Dismal Swamp, about 2 miles north of Modoc County Road 2, at the northwest end of Dismal Swamp south of Dismal Creek 2225.0 Comment
  CHSC14172  Eriogonum umbellatum var. modocense K. R. Stern; D. B. Joley, J. G. Geschke 1974-6-23 5846 Modoc S side of Hwy. 139, between Canby and Hackamore. Comment
  NY399210  Eriogonum umbellatum var. modocense J. L. Reveal 1971-6-22 2461 Modoc Along U.S. highway 395 at Davis Creek 1453.9 Comment
  RSA271942  Eriogonum umbellatum var. modocense Christopher Davidson 1975-6-4 2595 Modoc 0.4 miles E of Hwy 395 on Hwy 299 toward Cedarville. 1380 Comment
  CAS-BOT-BC197784  Eriogonum umbellatum var. nevadense Elmer Ivan Applegate 1932-7-9 7599 Modoc Bidwell Mountain, Warner Mts. Comment
  NY399269  Eriogonum umbellatum var. nevadense M. J. Williams 1984-7-1 8487- 6 Modoc Northwest of Alturas, Crowder Flat Road, near Big Sage Reservoir 1371.6 Comment
  NY399272  Eriogonum umbellatum var. nevadense J. L. Reveal 1978-8-11 4822 Modoc Warner Mountains, Dismal Swamp, about 2 miles north of Modoc County Road 2, at the northwest end of Dismal Swamp south of Dismal Creek 2225.0 Comment
  SJSU9142  Eriogonum umbellatum var. nevadense R. L. Fisher 1958-6-13 Modoc by Hwy 299, 10 mi W of Alturas Comment
  HSC17359  Eriogonum umbellatum var. nevadense M. T. Milligan 1965-6-27 372 Modoc E slope of eroded volcanic plateau. 1677 Comment
  CAS-BOT-BC197615  Eriogonum umbellatum var. polyanthum Alice Eastwood; John Thomas Howell 1940-6-14 8213 Modoc 8 mi. NW of Canby. Comment
  CAS-BOT-BC197619  Eriogonum umbellatum var. polyanthum Elmer Ivan Applegate 1932-8-1 8026 Modoc Warner Mts. just S of Warren Peak. Comment
  CAS-BOT-BC197589  Eriogonum vimineum John Thomas Howell 1934-7-1 12301 Modoc Duncan Horse Camp. 1355 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-BC197599  Eriogonum vimineum Alice Eastwood; John Thomas Howell 1940-6-13 8134 Modoc W side of Fandango Pass. 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
  JEPS5963  Eriogonum vimineum Frances D. Payne 1932-7-11 694 Modoc s and e Alturas (Parker Creek); Warner Mountains, Parker Creek 1584 Comment
  NY399608  Eriogonum vimineum B. Anderson 1986-7-9 3162 Modoc Warner Mountains. County road 195 just east of Cedar Pass 1785 Comment
  HSC17398  Eriogonum vimineum M. T. Milligan 1964-7-24 163 Modoc Badger Wells Rd. at Boles Creek Crossing 1524 Comment
  UCD101517  Eriogonum vimineum var. vimineum Johnnie L. Gentry Jr. 1968-7-4 2112 Modoc 15.2 miles northwest of Hwy. jct. Calif. 139 and Calif. 299, on Calif. 139. 1447 Comment
  HSC45971  Eriophorum gracile J. P. Smith, J. O. Sawyer 1973-8-9 7279 Modoc Blue Lake, Modoc Natl. Forest 1829 Comment
  CAS-BOT-BC498755  Eriophyllum lanatum L. S. Smith 1924-5-31 1356 Modoc Modoc Forest: Egg Lake Ranch Comment
  SEINET10821161  Eriophyllum lanatum Paul Gallian, David B. Dunn 1971-6-3 Gallian 502 Modoc 5 mi. S of Canby on CA Hwy. 299. 1280 Comment
  HSC5589  Eriophyllum lanatum var. achilleoides M. T. Milligan 1964-6-6 10 Modoc N side of Dorris Reservoir along shore 1372 Comment
  UC711856  Eriophyllum lanatum var. achilleoides Roxana S. Ferris and Laura Lorraine 1941-8-13 10512 Modoc e Creek drainage Patterson Ranger Station; Modoc National Forest, Warner Mountains 2164 Comment
  UC71787  Eriophyllum lanatum var. achilleoides Mrs. M. H. Manning 1903-6 186 Modoc near Fort Bidwell (ne Modoc County) Comment
  SEINET8687244 Image available Eriophyllum lanatum var. achilleoides M. J. Williams, A. Tiehm, J. Nachlinger 1988-6-2 88- 28 -10 Modoc Jess Valley, E of Likely, S of roadside rest Comment
  HSC5603  Eriophyllum lanatum var. integrifolium M. T. Milligan 1965-6-30 380 Modoc E of Jess Valley 1677 Comment
  JEPS6031  Eriophyllum lanatum var. integrifolium Frances D. Payne 1929-6-28 30 Modoc s and e of Alturas; Warner Mountains, Parker Creek 1584 Comment
  CDA4664  Erodium cicutarium T. C. Fuller 1961-5-17 6957 Modoc North of Highway 395, 1 mile northeast of Alturas. 0 Comment
  JEPS16996  Eryngium alismifolium M. S. Baker and Franklin P. Nutting 1894-8-30 Modoc Egg Lake Comment
  JEPS3477 Image available Eryngium alismifolium M. S. Baker and Frank Nutting 1894-8-25 Modoc Egg Lake; ; Egg Lake, Modoc Co. Comment
  SJSU9591  Eryngium alismifolium W. Savage 1979-7-5 1356 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 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
  JEPS94841  Eryngium articulatum Vernon H. Oswald and Lowell Ahart 1998-9-8 9589 Modoc County Road 93 adjacent to the Rail Road at Lookout Junction nw of Lookout; County Road 93 1280 Comment
  SEINET516150  Eryngium articulatum Vernon H. Oswald 1998-9-8 9590 Modoc County Rd. 93 adjacent to the RR at Lookout Junction northwest of Lookout. 1280 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
  CHSC66978  Eryngium mathiasiae James D. Jokerst 1987-6-23 2933 Modoc Radar Survey Site s of Doublehead Mtn., off-site survey at a large dry lake ca. 0.66 mi E of Lone Pine Lake and ca. 1.3 mi S of Doublehead Lake. Comment
  CHSC67325  Eryngium mathiasiae James D. Jokerst 1986-8-11 2757 Modoc Radar Site Survey S of Doublehead Mtn., S of Road to Doublehead Mtn. Comment
  CAS-BOT-BC184097  Eryngium mathiasiae B. Bartholomew 1989-8-10 5041 Modoc Little Hot Spring Valley, 3.9 km NW of Day 1070 Comment
  UC1487346  Eryngium mathiasiae Y. Sheikh and L. Constance 1973-6-27 551 Modoc 9.8 mi WNW of Canby; State Hwy 139; WWN of Canby, Modoc Co. Comment
  POM95422  Erysimum capitatum Mrs. R. M. Austin, Bruce 1898-06 2252 Modoc Lake City Mt. Comment
  CAS-BOT-BC58329  Erysimum capitatum var. capitatum Mrs. H. C. Cantelow 1940-6-1 3756 Modoc Cedar Pass, Warner Mts. Comment
  RSA26472  Erysimum repandum Alice Eastwood, J. T. Howell 1940-6-12 8095 Modoc Midway between Likely and Alturas. Comment
  RSA563313  Erysimum repandum Bruce Bartholomew, M. Bourell 1990-4-27 5185 Modoc 10.3 km NW of Hwy 299 on Crowder Flat Rd. (Elevation 1) Comment
  CAS-BOT-BC229915  Erythranthe arvensis Annie Montague Alexander; L. Kellogg 1946-6-18 4800 Modoc Patterson Mill-Silver Creek roads. 1828 Comment
  CAS-BOT-BC234511  Erythranthe arvensis Bruce Bartholomew; Barrett Anderson 1989-6-2 4790 Modoc Long Canyon, 12 km NE of Fort Bidwell on the road to the Oregon border. 1550 Comment
  CAS-BOT-BC229899  Erythranthe breviflora Bruce Bartholomew; Barrett Anderson 1990-7-20 5518 Modoc Tamarack Flat, E side of Warner Mts. 2150 Comment
  CAS-BOT-BC229900  Erythranthe breviflora Bruce Bartholomew 1991-7-5 5949 Modoc Coyote Meadow, near the Oregon border. 1580 Comment
  CAS-BOT-BC229919  Erythranthe guttata R. M. Austin 1894-8-1 s.n. Modoc Lake City Pass. Comment
  CAS-BOT-BC234504  Erythranthe guttata Francis Whittier Pennell 1940-6-8 25749 Modoc W of Cedar Pass. 1828 Comment
  CAS-BOT-BC234516  Erythranthe guttata Bruce Bartholomew 1992-5-15 6286 Modoc Vicinity of Leonard Hot Spring, E side of Surprise Valley. 1370 Comment
  CAS-BOT-BC234482  Erythranthe moniliformis Bruce Bartholomew; Barrett Anderson 1988-7-22 4536 Modoc Mill Creek, Lake City Canyon, 5.5 km W of Lake City, E side of the Warner Mts.. 1860 Comment
  CAS-BOT-BC234462  Erythranthe primuloides Bruce Bartholomew 1990-6-15 5239 Modoc SE corner of Sweagert Flat. 1860 Comment
  CAS-BOT-BC234463  Erythranthe primuloides K. Paulson; Robert Paulson 1988-6-29 63 Modoc Benton Meadow, Warner Mts.. 1676 Comment
  CAS-BOT-BC234432  Erythranthe suksdorfii Bruce Bartholomew 1995-6-2 6947 Modoc About 0.3 km E of Barrel Spring road on road from Fort Bidwell to Fee Reservoir. 1510 Comment
  CAS-BOT-BC234433  Erythranthe suksdorfii Alice Eastwood; John Thomas Howell 1940-6-15 8276 Modoc Near Perez. Comment
  NY499984  Eschscholzia californica B. M. Bartholomew 1989-6-3 4917 Modoc 9 km west of County Route 91 along the north side of the Pit River 1340 Comment
  CAS-BOT-BC402921  Eschscholzia californica Elmer I. Applegate 1935-6-12 9523 Modoc Lava Beds National Monument. Caldwell Butte, south slope Comment
  CDA19882  Euphorbia crenulata C. Pirosko 2002-7-1 s.n. Modoc Northern California; Long Bell, USFS Plantation off County Rd 91. 0 Comment
  CAS-BOT-BC95713  Euphorbia serpillifolia Bruce Bartholomew 1991-8-4 6015 Modoc W side of Goose Lake, 10.5 km N of McGinty Point. 1460 Comment
  CAS-BOT-BC95714  Euphorbia serpillifolia Verne Grant; I. Schneider 1947-7-20 8089 Modoc Dorris Reservoir. Comment
  CAS-BOT-BC95715  Euphorbia serpillifolia Annie Montague Alexander; L. Kellogg 1946-6-20 4808 Modoc Eagleville. 1440 Comment
  CAS-BOT-BC95716  Euphorbia serpillifolia Roxana Stinchfield Ferris; L. Lorraine 1941-8-14 10605 Modoc 8.5 mi. from Patterson Ranger Station on Eagleville road. Comment
  CAS-BOT-BC95718  Euphorbia serpillifolia M. Vasey 1990-6-30 9027 Modoc Around NW margin of Egg Lake. 1300 Comment
  UCD142358  Euphorbia virgata R. N. Raynor 1939-6-2 s.n. Modoc Chace Valley near Adin. Comment
  CAS-BOT-BC15161  Eurybia integrifolia Bruce Bartholomew; Barrett Anderson 1990-7-20 5508 Modoc Tamarack Flat, E side of Warner Mts. 2150 Comment
  HSC81017  Eurybia integrifolia G. M. Riegel 1978-8-16 92 Modoc South Warner Mtns. 1670 Comment
  CHSC106196  Euthamia occidentalis Lowell Ahart; John Dittes 2010-8-31 17102 Modoc On the east side of Elkins Lane, about 10 yards east of the bridge across Ash Creek, Ash Creek State Wildlife Area, 4215 feet north of Lassen County line, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  JEPS114660  Euthamia occidentalis Lowell Ahart, John Dittes 2008-8-25 15283 Modoc On the west bank of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout 1273 Comment
  CAS-BOT-BC247707  Festuca idahoensis Leland S. Smith 1924-6-1 1395 Modoc Lavas W of Egg Lake. 1310 Comment
  CHSC118818  Festuca idahoensis L. P. Janeway 2014-7-8 11477 Modoc Modoc Plateau. East corner of Dry Creek Rim; along Road 47N08 (Corral Creek Road) 5.1 road-km north-northwest of Raod 48 (along the west edge of Goose Lake). 1759 Comment
  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
  HSC9865  Festuca idahoensis M. T. Milligan 1965-6-27 370 Modoc 1677 Comment
  UC1037140  Festuca pratensis Leo Whitney 1935-6-29 3359 Modoc Alturas Comment
  UC1060654  Floerkea proserpinacoides Herbert L. Mason 1957-7-6 14717 Modoc Warner Mountains, Mill Creek Mill Creek; Warner Mountains, Mill Creek Comment
  RSA70435  Floerkea proserpinacoides F. W. Peirson 1926-6-25 6888 Modoc Small side canyon 1 mile east of summit of Warner Mountains on Cedarville Road. 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
  CHSC118328  Frasera albicaulis var. modocensis L. P. Janeway 2016-5-19 12097 Modoc Modoc Plateau. Devils Garden area; along Crowder Flat Road (Road 73/48N08) 1.8 road-km south of Road 73/181/47N09; about 1.8 air-km south-southeast of Janes Reservoir. 1548 Comment
  SEINET8584489  Frasera albicaulis var. modocensis M. J. Williams 1988-5-28 88- 19 -4 Modoc Hwy 395, intersection with Davis Creek Road. 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
  RSA534561  Fraxinus latifolia Bruce Bartholomew 1991-7-6 5982 Modoc W side of Egg Lake 1300 Comment
  HSC15547  Fritillaria atropurpurea M. T. Milligan 1967-6-15 653 Modoc N end of Jess Valley 1616 Comment
  HSC97880  Fritillaria atropurpurea Juha Pykala, D. H. Norris 1987-5-28 1265 Modoc Warner Mtns., 3-4 mi. W of Lake City, Lake City Canyon 1829 Comment
  UC615047  Fritillaria atropurpurea Beryl O. Schreiber 1934-6-10 1174 Modoc Warner Mountains, Lost Lake Lost Lake; Warner Mountains, Lost Lake Comment
  UC71742  Fritillaria atropurpurea Mrs. M. H. Manning May, 1903 128 Modoc Fort Bidwell, in north eastern Modoc County Fort Bidwell Comment
  HSC77965  Fritillaria atropurpurea O. Ballantyne 1983-7-20 Modoc S Warner Mtn., Patterson Station 2134 Comment
  JEPS55679  Fritillaria atropurpurea Margaret Williams 1968-5-31 6881 Modoc Cedar Pass Comment
  POM109749  Fritillaria atropurpurea Mrs. R. M. Austin 1895-06 484 Modoc Sugar Hill Comment
  SEINET8478730  Fritillaria atropurpurea W. Roderick 1963-1 Modoc Comment
  CAS-BOT-BC242100  Fritillaria pudica E. S. Willits 1940-4-16 177 Modoc Sugar Hill. Comment
  RSA486788  Fritillaria pudica Bruce Bartholomew, B. Anderson 1988-5-13 4162 Modoc 4 km northwest of Pepperdine, gentle west-facing slope near top of the Warner Mountains 1760 Comment
  CAS-BOT-BC225047  Galium aparine Bruce Bartholomew 1990-6-17 5303 Modoc Vicinity of Emerson Camp near roadhead, E side of Warner Mts. 1750 Comment
  CAS-BOT-BC225057  Galium aparine John Thomas Howell 1934-6-13 12063 Modoc Fandango Pass. 1828 Comment
  CAS-BOT-BC225067  Galium glabrescens subsp. modocense Bruce Bartholomew 1995-7-31 7089 Modoc Top of a rocky knob, E of Bald Mountain, E side of the Warner Mts. 2160 Comment
  HSC80868  Galium glabrescens subsp. modocense G. M. Riegel 1980-8-28 1100 Modoc S Warner Mtns., S Warner Wilderness Area 2676 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
  RSA530114  Galium glabrescens subsp. modocense D. W. Taylor, Glenn Clifton 1989-8-6 10485 Modoc Snake Lake 1570 Comment
  JEPS6516  Galium mexicanum var. asperulum W. L. Jepson 1918-8-11 7943 Modoc Jess Valley 1584 Comment
  UC71839  Galium serpenticum subsp. warnerense Mrs. M. H. Manning 1904-7-15 387 Modoc ne Modoc Co. Mt. Bidwell 2438 Comment
  UC1192009  Galium trifidum Herbert L. Mason and Verne Grant 1947-7-12 13434 Modoc n Likeley; Corporation Ranch Headquarters Comment
  UC1192008  Galium trifidum var. pacificum Verne Grant and Irving Schneider 1947-8-24 8254 Modoc in creek Warner Mountains, Jess Valley Comment
  UC416665  Galium triflorum Franklin P. Nutting Modoc near Forestdale 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
  CAS-BOT-BC190844  Gayophytum diffusum subsp. parviflorum Bruce Bartholomew 1991-8-5 6025 Modoc Summit Trail between Pepperdine and Squaw Peak, W side of Warner Mts. 2190 Comment
  CAS-BOT-BC190854  Gayophytum diffusum subsp. parviflorum Bruce Bartholomew; Barrett Anderson 1989-6-2 4777 Modoc Top of Fandango pass, Warner Mountains. 1870 Comment
  UCR77776  Gayophytum diffusum subsp. parviflorum B. Bartholomew 1989-7-14 4948 Modoc c. 8 km NE of Egg Lake and 2.5 km east of Survice Gulch. 1340 Comment
  SD135582  Gayophytum diffusum subsp. parviflorum B. Bartholomew 1989-7-14 4948 Modoc Ca. 8.0 km NE of Egg Lake and 2.5 km E of Survice Gulch. 1340 Comment
  SD135583  Gayophytum diffusum subsp. parviflorum B. Bartholomew 1989-7-15 5023 Modoc Manzanita Lookout, top of Manzanita Mountain. 2130 Comment
  CAS-BOT-BC190834  Gayophytum humile Alice Eastwood; John Thomas Howell 1940-6-13 8192 Modoc W side of Cedar Pass. Comment
  UC422803  Gayophytum ramosissimum Milo S. Baker 1887-1 Modoc Forestdale Comment
  CAS-BOT-BC190817  Gayophytum ramosissimum Elmer Ivan Applegate 1937-5-12 11084 Modoc Lyon road near north entrance, Lava Beds National Monument. Comment
  SEINET10635350  Geranium attenuilobum W. T. Frost 1925-7-24 Frost 113 Modoc Jess Valley, Warner Mountains. Comment
  CAS-BOT-BC180058  Geranium viscosissimum Annie Montague Alexander; L. Kellogg 1946-7-3 4901 Modoc Bidwell Creek Canyon, 5 mi. W of Fort Bidwell. Comment
  CAS-BOT-BC180072  Geranium viscosissimum Annie Montague Alexander; L. Kellogg 1946-6-30 4878 Modoc Highgrade, W side of ridge. 2377 Comment
  CAS-BOT-BC180073  Geranium viscosissimum R. M. Austin 1895-6-1 Modoc Davis Creek. Comment
  CHSC109459  Geranium viscosissimum B. Castro; L. P. Janeway 2012-7-24 1953 Modoc Warner Mountains. Northwestern flank of Mount Bidwell; ca 0.6 air mi S of Dismal Swamp, off upper edge of open lodgepole pine forest. 7740 Comment
  CHSC109892  Geranium viscosissimum B. Castro; L. P. Janeway 2012-7-26 1965 Modoc Warner Mountains. Along Highgrade National Recreation Trail 0.65 air mi SW of Little Lily Lake and 0.9 air mi N of Mt. Vida. 2336 Comment
  HSC32013  Geranium viscosissimum A. M. Montalvo, J. D. Ackerman 1974-7-4 363 Modoc Howard's Gulch, 6 mi. NW of Canby, off Hwy. 139. Comment
  HSC8660  Geranium viscosissimum M. T. Milligan 1964-7-1 123 Modoc Howard's Gulch Campground on Hwy. 139 1372 Comment
  JEPS61436  Geranium viscosissimum Leland S. Smith 1918-7-21 1002 Modoc Blue Lake Modoc Forest 1828 Comment
  CAS-BOT-BC214657  Geum macrophyllum Barrett Anderson 1986-7-10 3196 Modoc West Warner Rd at the North Fork of Pine Creek, Warner Mts. 1935 Comment
  RSA252487  Geum macrophyllum Robert F. Thorne, C. W. Tilforth 1969-9-5 39173 Modoc Modoc National Forest, Warner Mts, along Fall Creek below Falls. 1738 Comment
  UC466702  Geum triflorum Franklin P. Nutting 1894-6-8 Modoc Flat near Egg Lake Comment
  CAS-BOT-BC214667  Geum triflorum Fred. P. Cronemiller 1920-7-1 19 Modoc Lost Canyon, Bieber Range. 1463 Comment
  UC12260  Geum triflorum Mrs. R. M. Austin 1894-1 Modoc Northern California Comment
  UC465638  Geum triflorum M. F. Gilman 637 Modoc Comment
  CAS-BOT-BC190694  Gilia inconspicua Elmer Ivan Applegate 1935-6-7 9395 Modoc Thomas Massacre area, Lava Beds National Monument. Comment
  NY964544  Gilia leptomeria B. M. Bartholomew 1991-6-22 5849 Modoc East side of Surprise Valley, 9.6 km east of Eagleville at the Nevada Border 1520 Comment
  NY964515  Gilia leptomeria var. micromeria B. M. Bartholomew 1990-6-17 5336 Modoc Surprise Valley, SE corner of Upper Alkali Lake. 1390 Comment
  CAS-BOT-BC190679  Gilia modocensis Bruce Bartholomew 1991-5-25 5764 Modoc 8 km E of Likely on road to Jess Valley, N side of road along N side of S Fork of Pit River. 1460 Comment
  NY964019  Gilia salticola B. M. Bartholomew 1991-5-24 5710 Modoc Surprise Valley, east of Eagleville at the Nevada State boundary 1520 Comment
  CAS-BOT-BC190675  Gilia sinistra subsp. sinistra Clare Butterworth Hardham 1961-6-18 7815 Modoc Cedar Pass. Comment
  CAS-BOT-BC95145  Githopsis specularioides Bruce Bartholomew 1993-6-12 6588 Modoc Road to Day Rock from Little Hot Spring Valley. 1250 Comment
  CAS-BOT-BC49527  Gnaphalium palustre Bruce Bartholomew 1991-7-4 5893 Modoc S end of Higgins Flat. 1370 Comment
  JEPS117376  Gnaphalium palustre Lowell Ahart, John Dittes 2010-8-30 17075 Modoc About 10 yards west of the fence, south edge of the meadow, Ash Creek State Wildlife Area, 2300 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley. Comment
  UC748341  Gnaphalium palustre Annie M. Alexander and Louise Kellogg 1946-7-6 4913 Modoc 3.5 mi east Eagleville Comment
  SJSU9641  Gratiola ebracteata W. Savage 1979-7-8 1469 Modoc Round Valley Unit, Devils Garden District, Modoc National Forest 1493 Comment
  CAS-BOT-BC229885  Gratiola heterosepala Bruce Bartholomew; Barrett Anderson 1990-7-19 5430 Modoc Sweagert Flat. 1860 Comment
  JEPS114684  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
  JEPS119663  Grindelia hirsutula Lowell Ahart, John Dittes 2012-7-11 18337 Modoc About 1/8 mile east of the parking area on the east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. Comment
  CAS-BOT-BC54094  Hackelia cusickii John Thomas Howell 1934-6-11 11960 Modoc Parker Creek, Warner Mountains 1584 Comment
  CAS-BOT-BC54099  Hackelia cusickii Francis Dorris Payne 1932-6-10 643 Modoc Parker Creek. 1584 Comment
  CAS-BOT-BC54053  Hackelia micrantha Francis Dorris Payne 1929-7-7 47 Modoc Pine Creek Basin, Warner Mountains 2316 Comment
  CAS-BOT-BC54054  Hackelia micrantha Bruce Bartholomew; Barrett Anderson 1988-6-24 4302 Modoc Road beyond Poison Lake ca. 8 km S of the road from U.S. Highway 395 to Lily Lake, Warner Mts.. 2130 Comment
  CAS-BOT-BC54055  Hackelia micrantha Elmer Ivan Applegate 1932-8-3 8135 Modoc W slope of Eagle Peak, Warner Mountains Comment
  CAS-BOT-BC54056  Hackelia micrantha Francis Dorris Payne 1931-6-21 225 Modoc Ridge W of Deep Creek, Warner Mountains 1981 Comment
  CAS-BOT-BC54058  Hackelia micrantha Elmer Ivan Applegate 1932-7-9 7590 Modoc Bidwell Mountain, Warner Mountains Comment
  CAS-BOT-BC54061  Hackelia micrantha Annie Montague Alexander; L. Kellogg 1946-6-14 4764 Modoc Silver Creek branch of Patterson Mill road. 1828 Comment
  JEPS86311  Hackelia micrantha Jack and Betty Guggolz 1988-6-28 959 Modoc groves w of Jenkins Spring Comment
  HSC80930  Hackelia micrantha G. M. Riegel 1979-7-3 454 Modoc S Warner Mtns. 1670 Comment
  SEINET10842094  Haplopappus bloomeri var. angustatus Louis C. Wheeler 1935-9-9 Wheeler 3960 Modoc Dry sunny rocky site with Artemisia tridentata. 1 mi. NE south Mt., Devil's Garden. S8, T46N, R12E. 1524 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
  POM261369  Helianthus cusickii H. C. Cantelow 1940-5-31 s.n. Modoc 3 miles east of Canby Comment
Read comments
Jul 31 2007
  UC748241  Heracleum lanatum Annie M. Alexander and Louise Kellogg 1946-7-29 5083 Modoc s. slope Eagle Peak; Warner Mts., Eagle Peak 2438 Comment
  UC73706  Hesperochiron pumilus Milo S. Baker 1896-5-15 80 Modoc Forestdale Comment
  UC748323  Hesperochiron pumilus Annie M. Alexander and Louise Kellogg 1946-6-15 4781 Modoc Deep Creek 2194 Comment
  UC571111  Hesperolinon micranthum F. H. Frost 1925-7-20 93 Modoc 2 mi above Cedarville; Warner Mts., Cedar Camp Comment
  JEPS32305  Hesperolinon micranthum Frances D. Payne 1932-7-11 692 Modoc s and e Alturas; Warner Mountains, Payne Creek 1584 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
  UC1100977  Heteranthera dubia Verne Grant and Irving Schneider 1947-8-28 8345 Modoc about 2 mi downstream from Canby; Pit River Comment
  CAS-BOT-BC95148  Heterocodon rariflorum Bruce Bartholomew 1992-5-16 6327 Modoc Lunsford Spring. 1600 Comment
  POM193019  Heterocodon rariflorum Franklin P. Nutting 1894-9-1 s.n. Modoc Forestdale. Comment
  SEINET201656  Heuchera cylindrica A. Cronquist, AH Holmgren 1959-6-19 8503 Modoc Warner Mts a little above Clear Lake above Mill Creek 15 miles E of Likely. In section 27 or 28 1981 Comment
  UC748230  Heuchera cylindrica var. ovalifolia Annie M. Alexander and Louise Kellogg 1946-7-23 5042 Modoc e slope Emerson Peak; Warner Mountains Comment
  HSC5826  Hieracium albiflorum M. T. Milligan 1966-7-27 592 Modoc Slopes and ridges E of Jess Valley 1707 Comment
  RSA504613  Hieracium albiflorum Bruce Bartholomew, B. Anderson 1988-7-21 4413 Modoc Whitehorse Mountains, 11 km N of Day on the road to Whitehorse Flat Reservoir. 1340 Comment
  CHSC109426  Hieracium scouleri L. P. Janeway; B. Castro 2012-7-24 10973 Modoc Warner Mountains. Northwestern flank of Mount Bidwell; 1.2 air km south of Dismal Swamp. 2362 Comment
  HSC67889  Hieracium scouleri J. P. Smith, J. O. Sawyer 1973-8-9 7263 Modoc Blue Lake, Modoc National Forest. 1829 Comment
  JEPS5976  Hieracium scouleri Frances D. Payne 1932-7-22 735 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  SJSU9706  Hieracium scouleri W. Savage 1979-7-10 1526 Modoc Oregon Rim Unit, Devils Garden District, Modoc National Forest 1645 Comment
  UC1191993  Hippuris vulgaris Herbert L. Mason and Verne Grant 1947-7-12 13429 Modoc n. Likely (s. loop of w. side of rd.) Comment
  UC1536812  Hippuris vulgaris Gordon H. True Jr. 1939-7-21 1022 Modoc n. Canby (Jack Swamp); Jack Swamp Comment
  SEINET8408787  Holodiscus microphyllus Unknown 1940-7-1 2155 Modoc Cedar Peak, Warner Mts. Comment
  CAS-BOT-BC214687  Holodiscus microphyllus var. glabrescens Elmer Ivan Applegate 1932-7-9 7612 Modoc Bidwell Mt., Warner Mts. Comment
  HSC80696  Holodiscus microphyllus var. glabrescens G. M. Riegel 1979-7-23 553 Modoc S Warner Mtns. 1670 Comment
  NY446368  Holosteum umbellatum G. Schoolcraft 1981-5-6 376 Modoc North of Alturas 1463.0 Comment
  UC1024995  Hordeum brachyantherum subsp. brachyantherum Leo Whitney 1935-7-7 3395 Modoc 4 mi nw Canby (Howard Gulch); Howard Gulch Comment
  CAS-BOT-BC284697  Hordeum jubatum John Thomas Howell 1934-7-1 12348 Modoc Duncan Horse Camp Comment
  RSA210781  Hordeum jubatum J. Henrickson, C. W. Tilforth 1969-9-4 39064 Modoc Near old margin of Goose Lake, SW shore of Goose Lake N of McGinty Point. 1433 Comment
  UCD85688  Hordeum jubatum subsp. intermedium Beecher Crampton 1954-7-7 2160 Modoc 2.5 miles east of Alturas. Near Radio Station KCNO. Comment
  UC545675  Horkelia fusca subsp. parviflora Leo D. Whitney 1935-6-6 3189 Modoc 2 mi n Hole-in-the-Rock Comment
  JEPS113064  Horkelia fusca var. brownii Roy Buck 1987-6-6 666 Modoc at end of road just W of Egg Lake Comment
  JEPS44548  Horkelia tridentata Milo S. Baker 1893-6 Modoc Forestdale region Comment
  UC12373  Horkelia tridentata subsp. tridentata Milo S. Baker 1893-6-20 Modoc Comment
  SEINET11256901  Hornungia procumbens N. H. Holmgren, P. K. Holmgren 1998-5-30 12995 Modoc Surprise Valley, Modoc County Road 299, 6.9 km (4.3 miles) E of downtown Cedarville, at a turnoff to some hot springs. 1370 Comment
  SEINET248325  Hornungia procumbens Noel H. Holmgren, Patricia K. Holmgren 1998-5-30 12995 Modoc Surprise Valley, Modoc County Road 299, 6.9 km (4.3 mi) east od downtown Cedarville, at a turnoff to some hotsprings. 1370 Comment
  CHSC30635  Hydrophyllum capitatum var. alpinum NEH Prouty 1980-6-2 170 Modoc Modoc National Forest, Warner Mt District Sheep Rock T. S. Comment
  HSC13548  Hydrophyllum capitatum var. alpinum M. T. Milligan 1964-6-25 75 Modoc Upper Lassen Creek 1829 Comment
  HSC81071  Hydrophyllum capitatum var. alpinum G. M. Riegel 1980-6-25 768 Modoc S Warner Mtns. 1670 Comment
  JEPS4030  Hydrophyllum capitatum var. alpinum Frances D. Payne 1932-6-12 542 Modoc s and e of Alturas (Dry Creek canyon, tributary of Parker Creek); Warner Mountains, Parker Creek 1645 Comment
  RSA59725  Hydrophyllum capitatum var. alpinum E. K. Balls 1950-5-18 14747 Modoc Above Upper Rush Creek Public Camp, 2.5 miles east from Highway 299. 1829 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
  CHSC109485  Hymenoxys hoopesii L. P. Janeway; B. Castro 2012-7-25 10978 Modoc Warner Mountains. Slope along north side of Dismal Swamp. 2216 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
  CAS-BOT-BC179904  Hypericum anagalloides Bruce Bartholomew 1995-7-30 7066 Modoc NE side of Big Valley Mountains, W of Lookout Junction. 1310 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
  UC748355  Hypericum formosum var. scouleri Annie M. Alexander and Louise Kellogg 1946-7-13 4992 Modoc Eagleville, Eagle Creek Comment
  CAS-BOT-BC179891  Hypericum scouleri Bruce Bartholomew; Barrett Anderson 1990-7-21 5567 Modoc N Barber Creek, road from Surprise Valley to Patterson Ranger Station, E side of Warner Mts. 1710 Comment
  CAS-BOT-BC179896  Hypericum scouleri Leland S. Smith 1929-6-1 1436 Modoc Happy Camp. 1524 Comment
  CAS-BOT-BC58450  Idahoa scapigera Edward Kent Balls 1950-5-18 14757 Modoc N of Upper Rush Creek Public Camp, 2.5 mi. E of Hwy. 299. 1737 Comment
  UC10772  Idahoa scapigera Mrs. R. M. Austin April, 1894 Modoc Goose Lake Valley Comment
  CAS-BOT-BC179104  Iliamna bakeri Dean William Taylor 1988-8-11 10044 Modoc Damon's Butte (ca. 2 mi W of Hwy 139) in summit crater of butte. 1466 Comment
  UC1075791  Iliamna bakeri E. K. Balls and P. C. Everett 1952-10-11 20958 Modoc 0.2 mi se of crest of Fandango Pass (Warner Mountains); Warner Mountains 1859 Comment
  CAS-BOT-BC15177  Ionactis alpina K. Paulson; Robert Paulson 1989-5-21 123 Modoc 2.5 mi. SW of Boles Creek on County Road 136. 1438 Comment
  CAS-BOT-BC190654  Ipomopsis aggregata subsp. aggregata Roxana Stinchfield Ferris; R. Duthie 1919-6-14 185 Modoc Above Parker Creek at Modoc Nat. Forest Boundary. Comment
  SEINET6044951  Ipomopsis congesta Marion Ownbey, Meyer, Fred G. 1940-7-1 2133 Modoc Warner Mountains. Cedar Pass. Comment
  CAS-BOT-BC245101  Iris missouriensis K. Paulson; Robert Paulson 1989-7-4 172 Modoc Ca. 0.5 mi. S of Patterson Ranger Station, S end of Warner Mts. 2240 Comment
  RSA181819  Iris missouriensis H. N. Metcalf, Jack C. Wilson 1965-7-1 65 -19 Modoc Davis Creek Comment
  NY411179  Isatis tinctoria M. J. Williams 1984-6-29 84- 73 --1 Modoc Fandango Pass road, Warner Mountains. 0.8 mi E of Hwy 395. 1463.0 Comment
  CHSC117044  Isoetes nuttallii Lowell Ahart; John Dittes 2016-6-6 20972 Modoc About 100 yards east of the Parking Area, about one mile south of the intersection of County Road 87 and Access Road to Pilot Butte Parking Area, 3.8 miles (air) east of Lookout, 7.5 miles (air) west of Adin, Ash Creek State Wildlife Area. 1271 Comment
  UCR64880  Iva axillaris George K. Helmkamp 1990-9-23 H- 01 Modoc US Hwy 395, 13 mi north of Likely 1345 Comment
  CDA13471  Iva axillaris subsp. robustior G. F. Hrusa, T. D. Wilfred 1996-7-21 13318 Modoc Modoc Plateau; adjacent to Pit River at Modoc Co. Rd. 90 bridge. E base of Splawn Mtn. N end of Big Valley. Comment
  CHSC100109  Juncus balticus L. P. Janeway; B. Castro 2008-8-16 9546 Modoc Modoc Plateau. Surprise Valley; east side of Middle Alkali Lake, south side of Hwy 299 10.5 km east of Cedarville. 1378 Comment
  JEPS120122  Juncus balticus subsp. ater Lowell Ahart, John Dittes 2012-7-12 18364 Modoc North edge of Ash Creek, south of the gravel pit, about 1/8 mile east of the parking area on the east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. Comment
  CDA13453  Juncus brachyphyllus G. F. Hrusa, T. D. Wilfred 1996-7-21 13300 Modoc Modoc Plateau; Adjacent to Modoc Co. Rd. 90 bridge over Pit River. E base of Splawn Mtn. N end of Big Valley. Comment
  CAS-BOT-BC245074  Juncus bufonius Bruce Bartholomew 1990-8-3 5611 Modoc Ash Creek Wildlife Refuge, ca. 2.5 km S of County Road 87 and 7 km W of Adin. 1250 Comment
  CAS-BOT-BC245069  Juncus bufonius var. occidentalis Clare Butterworth Hardham 1974-8-4 20181 A Modoc Headwaters of Dismal and 12 Mile creeks. 2133 Comment
  JEPS127313  Juncus bufonius var. occidentalis Lowell Ahart, John Dittes 2016-7-14 21205 Modoc South of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin Big Valley. Comment
  CAS-BOT-BC245065  Juncus confusus Roxana Stinchfield Ferris; L. Lorraine 1941-8-14 10580 Modoc 3 mi. from Patterson Ranger Station on road to Eagleville. Comment
  CHSC31497  Juncus ensifolius N. E. H. Prouty 1980-8-6 213 Modoc Modoc Nat. Forest. Meadow on southern bank of North Fork Pine Creek. 1524 Comment
  JEPS127188  Juncus ensifolius Lowell Ahart, John Dittes 2016-7-14 21206 Modoc South of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. Comment
  CAS-BOT-BC245059  Juncus hemiendytus var. abjectus Bruce Bartholomew 1993-6-14 6676 Modoc Open moist flat SW of Stovepipe Flat Tank just N of road between Deer Hill and Duncan Reservoir. 1530 Comment
  CAS-BOT-BC245049  Juncus hemiendytus var. hemiendytus Bruce Bartholomew 1995-6-2 6932 Modoc 7.4 km W of County Road 91 on road to Egg Lake, between Lookout and Lookout Jct. 1260 Comment
  CAS-BOT-BC245055  Juncus hemiendytus var. hemiendytus Bruce Bartholomew 1993-6-14 6671 Modoc Vicinity of Badger Well. 1500 Comment
  CAS-BOT-BC245045  Juncus longistylis John H. Hatton 1911-6-20 131 Modoc unspecified 1524 Comment
  CHSC100840  Juncus mertensianus L. P. Janeway; B. Castro 2008-8-17 9573 A Modoc Warner Mountains. North slope of Bald Mountain; just below the cliffs at the top of the peak. Near moist bed of small rocky drainage channel. On moist slope on the side of the drainage. 2372 Comment
  UC1100996  Juncus nevadensis Herbert L. Mason and Verne Grant 1947-7-10 13357 Modoc 0.25 mi w Dorris Reservoir (2 mi e of Alturas) Comment
  JEPS74118  Juncus nevadensis L. S. Smith 1917-7-24 110 Modoc Joseph Creek Warner Mts. 1981 Comment
  UC70013  Juncus saximontanus Mrs. M. H. Manning Sep 1903 445 Modoc NE Modoc County 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
  HSC45869  Juniperus occidentalis J. P. Smith, J. O. Sawyer 1972-5-7 5283 Modoc 1.3 mi. E of Davis Creek on road to plum Valley Campground 1433 Comment
  SFV18017  Juniperus occidentalis J. A. Matos, D. C. Rudolph 1999-8-7 s. n. Modoc Pothole Creek near Pothole Spring. Near crossing of Clear Lake Road. 1470 Comment
  CAS-BOT-BC81207  Juniperus occidentalis P. Monnet 1913-1 s.n. (or 893 B) Modoc Warner's Range 2133 Comment
  SEINET10531162  Juniperus occidentalis LeRoy E. Detling 1948-5-23 Detling 6245 Modoc Plum Ridge, near Canby. Yellow Pine forest. Pinus ponderosa, P. jeffreyi, Juniperus occidentalis & Arctostaphylos patula. Level plateau; rocky red clay-loam. 1524 Comment
  JEPS57498  Juniperus occidentalis var. occidentalis L. R. Heckard with T. I. Chuang and R. Bacigalupi 1968-8-12 2120 Modoc rocky slopes s of Lassen Creek and e Goose Lake ((ca . 4 mi se of Willow Ranch)); s of Lassen Creek and e of Goose Lake 1584 Comment
  RSA597868  Juniperus occidentalis var. occidentalis F. C. Vasek 1962-9-2 620902 -1 Modoc Cedarville Road 5.8 miles east of U.S. 395, east of Alturas 1616 Comment
  RSA6220  Juniperus occidentalis var. occidentalis Elmer I. Applegate 1932-7-9 7622 Modoc Big Grade, Fandango Pass. Goose Lake side Comment
  CAS-BOT-BC95670  Kalmia polifolia K. Paulson; Robert Paulson 1989-7-14 188 Modoc Vicinity of Bell Mine, N end of the Warner Mts. 2194 Comment
  CAS-BOT-BC225087  Kelloggia galioides Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10521 Modoc Patterson Ranger Station (East Creek drainage). 2164 Comment
  CAS-BOT-BC225097  Kelloggia galioides Robert Patterson; Mona Bourell 1993-8-15 5264 Modoc Warner Mountains. Along trail from Patterson Lake to ca. 2 mi north towards Pepperdine Trailhead. 2743 Comment
  CAS-BOT-BC248332  Kelloggia galioides B. Bartholomew; H. Sun 2002-6-24 8817 Modoc Ridge top just S of Manzanita Mt. and 15.3 straight line km NW of Aden 2070 Comment
  UC748482  Kelloggia galioides Annie M. Alexander and Louise Kellogg 1946-7-23 5039 Modoc e slope Emerson Peak; Warner Mountains Comment
  CAS-BOT-BC247648  Koeleria macrantha Leland S. Smith 1920-7-13 1187 Modoc Crowder Flat. 1371 Comment
  CHSC69491  Koeleria macrantha James D. Jokerst 1987-5-13 2871 Modoc Radar Survey Site S of Doublehead Mtn., S of Clear Lake Reservoir, S end of northern sector. 1359 Comment
  SEINET229940 Image available Koeleria macrantha L. M. Shultz, JS Shultz 1985-6-23 8594 Modoc Modoc Plateau at the Western extension of the Great Basin between Beeler and Duncan reservoirs 1311 Comment
  UCD85700  Koeleria macrantha A. A. Beetle; G. L. Stebbins Jr. 1942-5-30 3379 Modoc Jct. Rt. 39 and road to Modoc Lava Beds Natl. Mon. Comment
  CHSC100372  Lactuca serriola Lowell Ahart; John Dittes 2008-8-25 15291 Modoc On the west side of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-notheast of Lookout. 1273 Comment
  UC71919  Lactuca serriola Mrs. M. H. Manning 253 Modoc near Fort Bidwell (ne Modoc County) Comment
  CDA36735  Lagophylla ramosissima Richard R. Halse 2010-8-25 8085 Modoc Along State Highway 139 ca. 25.5 miles northwest of its junction with State Hwy 299; Modoc National Forest. Comment
  UC89214  Lagophylla ramosissima Mrs. R. M. Austin 1894-7-1 Modoc Davis Creek Comment
  CAS-BOT-BC49500  Lagophylla ramosissima subsp. ramosissima James D. Jokerst 1983-7-27 1902 Modoc Near Signal Butte. 1340 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
  JEPS32733  Lappula redowskii Mrs. R. M. Austin and Bruce June 1898 2269 Modoc Goose Lake Valley Comment
  UC78792  Lappula redowskii Mrs. R. M. Austin July 1885 Modoc Goose Lake Valley Comment
  UC1037328  Lathyrus brownii Leo Whitney 1934-4-29 1922 Modoc near Hackamore; Modoc National Forest 1463 Comment
  NY716676  Lathyrus lanszwertii var. lanszwertii R. J. Weatherby 1955-7-8 1621 Modoc 6 miles north of Ft. Bidwell, northern Warner Mountains 1783 Comment
  UC15395  Lathyrus lanszwertii var. lanszwertii Mrs. R. M. Austin and Bruce Jul 1898 2224 Modoc Comment
  CAS-BOT-BC181972  Lathyrus rigidus Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-13 16472 Modoc 2.4 mi. S of Davis Creek. Comment
  CAS-BOT-BC181973  Lathyrus rigidus Bruce Bartholomew; Barrett Anderson 1988-5-14 4185 Modoc 4.5 km S of Davis Creek on U.S. Highway 395, SE side of Goose Lake. 1470 Comment
  UC15346  Lathyrus rigidus Mrs. R. M. Austin May 1894 Modoc Goose Lake Valley Comment
  UC931202  Lathyrus rigidus C. L. Hitchcock 1950-5-27 19225 Modoc ca 20 mi n Alturas Comment
  POM128966  Lathyrus vestitus subsp. vestitus M. S. Baker 1916-06 s.n. Modoc Near Forestdale. Comment
  CAS-BOT-BC49460  Layia glandulosa Leland S. Smith 1920-7-21 1105 Modoc Mill Creek. 2133 Comment
  POM30572  Layia glandulosa subsp. glandulosa Mrs. R. M. Austin 1895-08 536 Modoc Alturas Comment
  RSA8238  Ledum glandulosum Elmer I. Applegate 1932-8-7 8224 Modoc Just above Lily Lake, Bidwelll Pass, Warner Mts. Comment
  UC1536809  Lemna minor Gordon H. True Jr. 1939-7-21 1004 Modoc Jack Swamp Comment
  CHSC99245  Lemna minuta Lowell Ahart; John Dittes 2008-6-21 15008 Modoc On shallow water 6-8 inches deep, along a deep natural drainage, about 30 yards west of the levee, mountain meadow, in Big Valley about 3.6 miles (air) north of the Headquarters at Ash Creek State Wildlife Area, about 6.4 miles (air) northeast of Bieber. 1269 Comment
  SJSU9999  Lemna valdiviana H. L. Buckalew 1961-6-21 Modoc Stough (""Stowe"") Reservoir c. 2 mi N of Cedar Pass on the Alturas-Cedarville Rd, Warner Mts 1981 Comment
  CDA3795  Lepidium latifolium K. Wright 1965-8-25 Modoc Newell townsite, Tulelake. 0 Comment
  RSA0042934  Lepidium perfoliatum Robert F. Thorne, J. Henrickson, C. W. Tilforth 1969-9-4 s.n. Modoc North of Alturas [Highway 395, vicinity of north fork of Pit River] Comment
  SEINET5512248  Leptodactylon pungens var. hookeri J. C. Beatley 1964-1 Modoc Tule Lake area 1829 Comment
  RSA101370  Leptosiphon harknessii R. Weatherby 1955-7-8 1612 Modoc Northern Warner Mountains: 7 miles north of Ft. Bidwell 1875 Comment
  RSA164295  Leptosiphon harknessii Clare B. Hardham 1961-6-18 s.n. Modoc Warner Mountains: Cedar Pass. 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
  RSA503046  Leptosiphon nuttallii K. Paulson, R. Paulson 1988-7-9 70 Modoc Near Poison Lake, Warner Mountains 2134 Comment
  SJSU8682  Leptosiphon septentrionalis W. Savage 1979-7-5 1380 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  CAS-BOT-BC242079  Leucocrinum montanum K. Paulson; Robert Paulson 1989-4-16 103 Modoc Crowder Flat Road, Devil's Garden. Comment
  CAS-BOT-BC242084  Leucocrinum montanum Leland S. Smith 1917-5-21 1 Modoc West Valley and Jess Valley. 1524 Comment
  RSA534597  Leucophysalis nana Bruce Bartholomew 1991-7-6 5994 Modoc Webb Flat, 5.6 km S of turn off to Happy Camp Ranger Station. 1400 Comment
  SEINET12271432  Leucophysalis nana M. Ownbey, Meyer, F. G. 1940-1 2132 Modoc near Cedar Pass, Warner Mts Comment
  CAS-BOT-BC197455  Lewisia nevadensis Roxana Stinchfield Ferris; R. Duthie 1919-6-14 42 Modoc Above Parker Creek, Warner Mts. Comment
  CAS-BOT-BC197459  Lewisia nevadensis Bruce Bartholomew 1994-7-3 6833 Modoc Edge of Dismal Swamp, N end of Warner Mountains. 2180 Comment
  JEPS43176  Lewisia nevadensis Frances D. Payne 1929-7-7 60 Modoc 2 mi sw Warren Peak (Pine Creek Basin); Warner Mts., Pine Creek Basin 2133 Comment
  JEPS43228  Lewisia nevadensis L. S. Smith 1918-5-31 930 Modoc Little Grizzley, Lassen Creek 1828 Comment
  RSA464466  Lewisia nevadensis George Willet 1935-6-21 s.n. Modoc Modoc County: Warren Mtns. 2439 Comment
  UC1585400  Lewisia nevadensis R. Raiche and K. Zadnik 1989-7-5 90227 Modoc n Cedar Pass (Soldier Creek drainage); Warner Mts., Cedar Mt. Area 1985 Comment
  CAS-BOT-BC197489  Lewisia rediviva Bruce Bartholomew; Barrett Anderson 1989-6-1 4741 Modoc ca. 0.5 km S of State Hwy 299 on road to Shaker Spring. 1420 Comment
  UC1031363  Lewisia rediviva R. C. Wilson 1933-6-11 46 Modoc Rush Creek Camp Modoc National Forest, Alturas Quadrangle Comment
  CAS-BOT-BC197485  Lewisia rediviva Leland S. Smith 1917-6-5 25 Modoc So. Fork Pitt River Canyon. Sec. 26. 1676 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
  POM201805  Leymus cinereus Frances D. Payne 78 Modoc Warner Mts. Comment
  JEPS117690  Leymus triticoides Lowell Ahart, John Dittes 2010-8-31 17120 Modoc West side of Elkins Lane, about 20 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
  UC1025018  Leymus triticoides Leo Whitney 1935-7-12 3498 Modoc 10 mi w Canby; Cottonwood Flat Comment
  UCD86643  Leymus triticoides J. E. Coke 1932-11-1 s.n. Modoc Modoc County. Comment
  CAS-BOT-BC21458  Ligusticum grayi Bruce Bartholomew; Barrett Anderson 1990-7-20 5509 Modoc Tamarack Flat, E side of Warner Mts. 2150 Comment
  UC711955  Linanthus harknessii Roxana S. Ferris and Laura Lorraine 1941-8-13 10540 Modoc Patterson Ranger Station (East Creek drainage) Warner Mts., Modoc National Forest 2164 Comment
  JEPS17731  Linanthus harknessii Rimo Bacigalupi with G. T. Robbins 1955-7-20 5397 Modoc 3.3 mi e Patterson (flat at summit of forest rd across s end of Warner Mts.); Modoc National Forest, Warner Mts. 2225 Comment
  UC190693  Linanthus nuttallii subsp. nuttallii M. F. Gilman 645 Modoc Comment
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May 31 2009
  RSA146496  Linaria dalmatica W. T. parsons, T. C. Fuller 1960-7-27 4875 Modoc Around old sawmill site, Lassen Creek, near Sugar Hill Planting. Comment
  CAS-BOT-BC229895  Linaria dalmatica subsp. dalmatica W. T. Parsons; Thomas C. Fuller 1960-7-27 4875 Modoc Lassen Creek, near Sugar Hill Planting. Comment
  RSA435718  Linum lewisii Christopher Davidson 1975-6-4 2622 Modoc Ca. 15 mi W. of Alturas on Hwy. 299. 1341 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
  CAS-BOT-BC225815  Lithophragma glabrum Annie Montague Alexander; L. Kellogg 1946-6-5 4666 Modoc Emerson Creek, S of Eagleville, Warner Mts. 2072 Comment
  POM260324  Lithophragma glabrum C. L. Hitchcock 1940-5-27 6718 Modoc 15 miles NE of Alturas. 1982 Comment
  UC114984  Lithophragma glabrum Mrs. R. M. Austin May 1884 88 Modoc Goose Lake Valley Comment
  RSA520475  Lithophragma glabrum Bruce Bartholomew, B. Anderson 1989-4-28 4644 Modoc 8.8 km N of State hwy 299 on road to Raker and Thomas Reservoir. 1470 Comment
  CAS-BOT-BC225824  Lithophragma parviflorum Bruce Bartholomew 1992-5-14 6279 Modoc SW side of White Horse Mountains, SW of White Horse Flat Reservoir. 1370 Comment
  CAS-BOT-BC123100  Lithophragma tenellum R. M. Austin 1894-6-1 s.n. Modoc Lava beds Comment
  HSC20218  Lithophragma tenellum M. T. Milligan 1965-7-10 433 Modoc W slope of Eagle Peak. 2439 Comment
  HSC26495  Lithophragma tenellum J. P. Smith, J. O. Sawyer 1972-5-6 5260 Modoc USFS Road to Quail Spring at Hwy. 299 N of Adin 1463 Comment
  HSC75893  Lithophragma tenellum D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-22 19316 Modoc Soup Springs Campground Comment
  CAS-BOT-BC54037  Lithospermum ruderale Bruce Bartholomew; Barrett Anderson 1988-5-13 4143 Modoc Along Parker Creek Road, 2.7 km W of Modoc National Forest and ca. 16 km WSW of Alturas, W side of the Warner 1490 Comment
  CHSC112504  Lithospermum ruderale L. P. Janeway; B. Castro 2014-6-2 11310 Modoc Great Basin.Along County Road 1, 1.0 km north of the road to the southwest corner of Cow Head Lake (County Road 5), on the east side of Long Canyon, low in the canyon. 1566 Comment
  CAS-BOT-BC21437  Lomatium bicolor var. leptocarpum Bruce Bartholomew; M; M. Gilbert; L. E. Skog 1993-5-11 6495 Modoc Junction of Crowder Flat Road and the road to the N side of Big Sage Reservoir. 1580 Comment
  CAS-BOT-BC21443  Lomatium bicolor var. leptocarpum Louis Cutter Wheeler 1935-9-12 3982 Modoc Poindexter Reservoir, Devil's Garden. 1524 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
  CAS-BOT-BC21449  Lomatium bicolor var. leptocarpum Isabelo T. Kelly 1930-1-1 9 Modoc Cowhead Lake. Comment
  CAS-BOT-BC21454  Lomatium bicolor var. leptocarpum Annie Montague Alexander; L. Kellogg 1946-6-26 4839 Modoc Dismal Swamp. 2255 Comment
  CAS-BOT-BC21455  Lomatium bicolor var. leptocarpum Alice Eastwood; John Thomas Howell 1940-6-14 8211 Modoc 8 mi. NW of Canby. Comment
  CAS-BOT-BC21456  Lomatium bicolor var. leptocarpum Alice Eastwood; John Thomas Howell 1940-6-14 8211 Modoc 8 mi. NW of Canby. Comment
  RSA245271  Lomatium bicolor var. leptocarpum D. H. Norris, T. Nelson, S. Dowty 1971-6-23 19397 Modoc Along Hager Basin Road near Big Sage Reservoir Comment
  UC1036074  Lomatium bicolor var. leptocarpum Annie M. Alexander and Louise Kellogg 1946-6-14 4770 Modoc Silver Creek branch of Patterson Mill rd. 1828 Comment
  CAS-BOT-BC21453  Lomatium bicolor var. leptocarpum R. M. Austin; C. C. (Mrs.) Bruce 1898-6-1 2283 Modoc Fields, Goose Lake. Comment
  CHSC75439  Lomatium canbyi V. H. Oswald; B. Corbin, A. Sanger, G. Schoolcraft 1999-6-12 9762 Modoc Soldier Creek Canyon adjacent to USFS 45N57 in the Warner Mtns. northeast of Stough Reservoir Campground, north side of Hwy. 299, east side of Cedar Pass. 2072 Comment
  RSA540057  Lomatium dissectum var. multifidum Bruce Bartholomew, M. Bourell 1990-4-26 5164 Modoc Vicinity of Ostrom Point, N side of Pit River, 3.2 km E of W end of Stone Coal Rd. 1280 Comment
  CAS-BOT-BC30126  Lomatium foeniculaceum subsp. macdougalii Bruce Bartholomew 1995-6-2 6941 Modoc 3.5 km NE of County Road 38 on County Road 37, SE side of Surprize Valley. 1390 Comment
  CAS-BOT-BC30128  Lomatium foeniculaceum subsp. macdougalii James Vale 1980-6-9 s.n. Modoc Ridge from Stowe Road, Cedar Pass, Warner Mtns. Comment
  RSA584730  Lomatium hendersonii Bruce Bartholomew, Gilbert, L. Skog 1993-5-13 6533 Modoc Just W of Mud Lake on road to West Valley Reservoir., 41 12 9N, 120 26 1W 1460 Comment
  SEINET230255  Lomatium leptocarpum Arnold Tiehm 1984-7-30 8827 Modoc 8.9 road miles NE of Ft. Bidwell on the main road to Adel just past the road summit 1615 Comment
  UCR51778  Lomatium macrocarpum Christopher Davidson 1975-6-4 2606 Modoc Hwy 299 (toward Cedarville), 2.2 mi. east of hwy 395 1500 Comment
  CAS-BOT-BC15755  Lomatium nevadense var. nevadense Alice Eastwood; John Thomas Howell 1940-6-13 8147 Modoc Fandango Pass. Comment
  CAS-BOT-BC15758  Lomatium nevadense var. nevadense S. Saufferer 1973-5-5 132 Modoc 7.5 mi. S of Pine Creek along Hwy 395. Comment
  CAS-BOT-BC15761  Lomatium nevadense var. nevadense Bruce Bartholomew; Barrett Anderson 1989-4-29 4669 Modoc 6.4 km E of Fort Bidwell on road to Fee Reservoir, NE corner of Surprise Valley. 1460 Comment
  UC106255  Lomatium nevadense var. nevadense Mrs. R. M. Austin May 1894 24 Modoc Goose Lake Valley Comment
  UC21289  Lomatium nevadense var. nevadense Milo S. Baker 1893-7-14 Modoc Forestdale region Comment
  CAS-BOT-BC15759  Lomatium nevadense var. nevadense Roxana Stinchfield Ferris; R. Duthie 1919-6-14 98 Modoc E of Alturas, Warner Mts. 2133 Comment
  UC71557  Lomatium nevadense var. parishii Mrs. M. H. Manning 1903-4 57 Modoc n.e. Modoc Co. Comment
  OBI47980  Lomatium nudicaule Rhonda Riggins 1989-4-28 1663 Modoc Pencil Rd. 4.4 mi N of Hwy 395 E of Alturas Comment
  RSA565026  Lomatium piperi D. W. Taylor 1992-3-16 12328 Modoc 1 air mile SW of southern end Duncan Reservoir (1.5air mile E of Amborse). 1494 Comment
  CAS-BOT-BC497467  Lomatium triternatum Margaret J. Williams 1988-5-30 88- 26 -6 Modoc Jess Valley, E of Likely, S of roadside rest. 1524 Comment
  SEINET11131219  Lomatium triternatum subsp. triternatum M. J. Williams 1988-5-30 88266 Modoc Jess Valley, E of Likely, S of roadside rest. 1524 Comment
  CHSC66983  Lomatium triternatum var. macrocarpum James D. Jokerst 1987-5-11 2833 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
  SD264744  Lomatium triternatum var. macrocarpum Tracey Call, Viola Call 1964-6-23 2281 Modoc 1 miles south of Perez. 914 Comment
  CAS-BOT-BC21418  Lomatium triternatum var. triternatum M. M. Hanna 1956-6-4 s.n. Modoc Cedar Pass. Comment
  CAS-BOT-BC21419  Lomatium triternatum var. triternatum John Thomas Howell 1934-6-12 12016 Modoc Between Davis Creek and Plum Valley. Comment
  CAS-BOT-BC21402  Lomatium vaginatum Mrs. H. C. Cantelow 1940-5-31 4507 Modoc 3 mi. E of Canby. Comment
  RSA452601  Lomatium vaginatum Christopher Davidson 1973-5-26 2124 Modoc 4 miles W of Canby on Hwy 299. 1341 Comment
  RSA149057  Lomatium vaginatum I. L. Wiggins, Dorothy Wiggins 1961-6-13 16473 Modoc Roadside 2.4 mi. S of village of Davis Creek, SE side of Goose Lake. Comment
  RSA504617  Lomatium vaginatum Bruce Bartholomew, B. Anderson 1988-6-25 4385 Modoc 5.6 km NW of State Highway 299 on County Rd. 73. 1500 Comment
  HSC3933  Lonicera involucrata var. involucrata Ms. M. H. Manning 1903-8-21 305 Modoc Warner Range. Comment
  UC71586  Lonicera involucrata var. involucrata Mrs. M. H. Manning 1893-2 305 Modoc Warner Range, ne Modoc County Warner Range Comment
  SEINET3523632 Image available Lotus americanus Annie M. Alexander, Louise Kellogg 1946-7-7 4934 Modoc Eight Mile Creek, NE corner of county 1753 Comment
  RSA503051  Lotus nevadensis Bruce Bartholomew, B. Anderson 1988-6-23 4227 Modoc 2.1 km SSE of Day on the road to State Highway 299. 1020 Comment
  CAS-BOT-BC181948  Lotus nevadensis var. nevadensis Bruce Bartholomew; Barrett Anderson 1988-6-23 4227 Modoc 2.1 km SSE of Day on the road to State Highway 299. 1020 Comment
  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
  RSA229216  Lotus unifoliolatus Louis C. Wheeler 1935-9-4 3947 Modoc McGinty Point, Goose Lake. 1463 Comment
  CAS-BOT-BC198272  Lupinus John Thomas Howell 1934-6-14 12120 Modoc Near Lost Lake, Warner Mts. 2438 Comment
  RSA0029194  Lupinus John F. Emmel 1997-6-8 1494 Modoc 3 to 4 road miles east of Hwy. 395 on Hwy. 299 (Cedarville Road). 1524 Comment
  CAS-BOT-BC181909  Lupinus arbustus Mrs. H. C. Cantelow 1941-5-23 Modoc 2 miles east of Adin Summit 1576 Comment
  CAS-BOT-BC181910  Lupinus arbustus Mrs. H. C. Cantelow 1940-6-1 Modoc Cedar Pass, E of Alturas. Comment
  CAS-BOT-BC181905  Lupinus arbustus Leland S. Smith 1924-6-20 1418 Modoc Lavas near Lava Ranger Station. 1310 Comment
  UC726676  Lupinus arbustus A. A. Heller 1941-6-25 16205 Modoc w side Cedar Pass; w side of Cedar Pass Comment
  NY732854  Lupinus arbustus subsp. calcaratus M. Bourell 1993-8-14 5227 Modoc Patterson Lake. South Warner Wilderness Area. Warner Mountains. 2743 Comment
  CAS-BOT-BC182195  Lupinus argenteus H. P. Bracelin 1931-6-30 500 Modoc S end of Alturas. 1524 Comment
  CAS-BOT-BC182199  Lupinus argenteus Doris K. Kildale 1926-9-11 2772 A Modoc Near Alturas. 1377 Comment
  CAS-BOT-BC182218  Lupinus argenteus H. P. Bracelin 1931-6-30 500 Modoc S end of Alturas. 1524 Comment
  CAS-BOT-BC182222  Lupinus argenteus Mrs. H. C. Cantelow 1940-5-31 Modoc 1.8 mi. W of Canby. Comment
  HSC81084  Lupinus argenteus G. M. Riegel 1979-7-14 535 Modoc South Warner Mtn. 509 Comment
  CAS-BOT-BC182189  Lupinus argenteus James Vale; K. Wagnon; Walter Knight; Irja Knight 1981-5-23 4133 Modoc Bank of Pit River between Canby and Adin, Hwy 299. 1371 Comment
  UCD106685  Lupinus argenteus Craig Ely 1975-7-10 s.n. Modoc 30 miles s.e. of Tulelake. Comment
  CHSC109887  Lupinus argenteus var. argenteus B. Castro; L. P. Janeway 2012-7-25 1960 Modoc Warner Mountains. Slope along N side of Dismal Swamp, along sides of rough gravel road going N out of swamp, just above more mesic sites dominated by Artemisia cana. 2215 Comment
  POM253252  Lupinus argenteus var. argenteus A. A. Heller 1938-6-24 15222 Modoc Between Alturas and Canby. 1341 Comment
  CAS-BOT-BC182097  Lupinus argenteus var. heteranthus R. M. Austin 1884-7-1 Modoc Hills near Davis Creek. Comment
  CAS-BOT-BC182108  Lupinus argenteus var. heteranthus Elmer Ivan Applegate 1929-6-24 5895 Modoc Along road between Alturas and Davis Creek. Comment
  CHSC107346  Lupinus argenteus var. heteranthus Lowell Ahart; John Dittes 2011-6-22 17555 Modoc About 50 yards east of the road, about 100 yards northeast of the Pilot Butte Parking Lot, north edge of Ash Creek Floodplain, 1.1 miles (air) south of County road 87, 7.7 miles (air) west of Adin, 10 miles (air) east of Lookout, Big Valley. 1264 Comment
  CHSC67109  Lupinus argenteus var. heteranthus James D. Jokerst 1987-5-15 2881 Modoc Radar Survey Site S of Doublehead Mtn., S of Clear Lake Reservoir, Doublhead Mtn, Rd. ca. 0.25 mi W of junction with N-S road at E edge of project area. 1371 Comment
  JEPS118275  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
  JEPS119658  Lupinus argenteus var. heteranthus Lowell Ahart, John Dittes 2012-7-10 18330 Modoc Ash Creek State Wildlife Area, about 3.9 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. Comment
  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
  SBBG3561  Lupinus argenteus var. heteranthus H. and M. Dearing 1939-6-8 3589 Modoc near Goose Lake 1219 Comment
  UC126981  Lupinus argenteus var. heteranthus Mrs. R. M. Austin and Bruce Jul 1898 2143 Modoc Comment
  UCR102425  Lupinus argenteus var. palmeri 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
  SEINET10970215  Lupinus argenteus var. tenellus David B. Dunn 1954-9-3 Dunn 11808 Modoc Just N of Timber Mountain turnoff along Hwy 139. Comment
  CAS-BOT-BC181890  Lupinus brevicaulis Bruce Bartholomew 1995-6-2 6933 Modoc 6.4 km E of Eagleville, S end of Surprize Valley. 1380 Comment
  RSA163773  Lupinus caudatus Clare B. Hardham 1961-6-19 7837 Modoc Davis creek. 1677 Comment
  RSA31849  Lupinus latifolius subsp. viridifolius A. A. Heller 1941-6-25 16206 Modoc West side of the grade leading up to Cedar Pass. Comment
  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-BC181876  Lupinus lepidus var. lobbii Elmer Ivan Applegate 1932-8-1 8050 Modoc Near summit of Warren Peak, Warner Mts. 2895 Comment
  CAS-BOT-BC181860  Lupinus lepidus var. sellulus Alice Eastwood; John Thomas Howell 1940-6-15 8302 Modoc 5 mi. N of Lookout. Comment
  SJSU9655  Lupinus lepidus var. sellulus W. Savage 1979-7-8 1491 Modoc N end Fairchild Swamp Unit, Triangle, Devils Garden District, Modoc National Forest Comment
  UC201963  Lupinus leucophyllus Milo S. Baker 1893-1 Modoc Forestdale; near Large's Comment
  UC15911  Lupinus leucophyllus Milo S. Baker 1893-6-20 Modoc Comment
  NY747434  Lupinus microcarpus H. D. D. Ripley 1944-5-31 5988 Modoc Northwest of Alturas 1372 Comment
  SEINET8056945  Lupinus microcarpus M. J. Williams, T. Holcomb, B. Holcomb, L. Saxton 1988-5-28 88- 24 -1 Modoc Grade up to Crowder Flat from Hwy 229, W of Alturas 1478 Comment
  CAS-BOT-BC181830  Lupinus microcarpus var. microcarpus Bruce Bartholomew; Barrett Anderson 1989-6-2 4806 Modoc 9.3 km E of Fort Bidwell on road to Fee Reservoir, NE corner of Surprise Valley. 1580 Comment
  CAS-BOT-BC181840  Lupinus microcarpus var. microcarpus Mrs. H. C. Cantelow 1940-5-31 Modoc 3 mi. E of Canby. Comment
  RSA59818  Lupinus ruber E. K. Balls 1950-5-13 14685 Modoc Along west shore road, Goose Lake, 10.3 miles south of Oregon - California border. 1463 Comment
  CAS-BOT-BC181818  Lupinus saxosus Edward Kent Balls 1950-5-10 15965 Modoc 0.5 mi. past fork of Hwy 395 and road from Alturas to Cedarville. 1584 Comment
  CAS-BOT-BC181823  Lupinus saxosus C. L. Hitchcock 1940-5-27 6658 Modoc 9 mi. NE of Alturas. 1402 Comment
  JEPS65434  Lupinus saxosus E. H. Stiffen 1917-6-10 41 Modoc Jess Valley , Jess Valley (Warner Mountains) 1524 Comment
  SBBG3706  Lupinus saxosus H. and M. Dearing 1936-6-9 3631 Modoc near Squaw Peak, Warner Mtns 2133 Comment
  SJSU13957  Lupinus saxosus N. A. Hopkins 1985-5-14 1274 Modoc between Alturas & Cedarville, Warner Mts 1524 Comment
  CAS-BOT-BC245039  Luzula comosa Bruce Bartholomew; Barrett Anderson 1988-7-23 4566 Modoc Dismal Swamp, Warner Mts.. 2180 Comment
  HSC14136  Luzula parviflora M. T. Milligan 1965-7-10 426 Modoc W slopes of Eagle Peak 2439 Comment
  POM215937  Lycium barbarum Louis C. Wheeler 1935-10-10 4033 Modoc Alturas. 1357 Comment
  JEPS117243  Lythrum tribracteatum 2010-8-30 17055 Modoc North side of a small wash, about 10-15 yards west of the fence, south edge of the meadow, Ash Creek State Wildlife Area, 2300 feet north of Lassen County Line, about 3.6 air miles west of Adin, about 8 air miles northeast of Bieber, Big Valley 1268 Comment
  NY850321  Lythrum tribracteatum H. L. Mason 1947-7-10 13324 Modoc Dorris Reservoir, 2 miles east of Alturas Comment
  CAS-BOT-BC49426  Madia citriodora John Thomas Howell 1934-6-11 11923 Modoc Parker Creek, Warner Mountains 1584 Comment
  CAS-BOT-BC49428  Madia citriodora Bruce Bartholomew 1993-6-14 6649 Modoc 2 km E of County Road 114 on County Road 108, NW of Clear Lake Reservoir. 1320 Comment
  UC89361  Madia exigua Mrs. R. M. Austin July 1894 281 Modoc Davis Creek Comment
  POM312519  Madia glomerata H. L. Mason 1947-8-11 13496 Modoc On Highway 81, west margin of Lower Lake, near boundary between Lassen and Modoc counties. Comment
  CAS-BOT-BC49423  Madia gracilis John Thomas Howell 1934-6-30 12268 A Modoc Duncan Horse Camp, 6 mi. E of Perez. Comment
  CAS-BOT-BC49424  Madia gracilis Bruce Bartholomew; Barrett Anderson 1990-7-20 5465 Modoc 4 km N of Buck Creek Ranger Station at turn off to Del Prat Spring, W side of Warner Mts. 1900 Comment
  CAS-BOT-BC49425  Madia gracilis Bruce Bartholomew 1991-7-6 5957 Modoc 2 km above Lower Rush Creek Campground along Rush Creek. 1500 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
  RSA531342  Madia gracilis subsp. gracilis Bruce Bartholomew 1989-7-14 4938 Modoc Along Rush Creek between Lower and upper Rush Creek Campgrounds. 1520 Comment
  RSA452628  Mahonia repens H. E. McMinn 1931-5-23 2445 Modoc Fandango Pass, Warner Mts. Comment
  RSA486353  Mahonia repens Bruce Bartholomew, B. Anderson 1988-5-13 4175 Modoc 0.6 km N of Jess Valley on West Warner Road, W side of the Warner Mountains. Northern Jeffrey pine forest. 1620 Comment
  RSA59970  Mahonia repens E. K. Balls 1950-5-13 14681 Modoc West of Goose Lake, 0.5 mile S of Oregon- California State Line. 1463 Comment
  CAS-BOT-BC242034  Maianthemum racemosum Bruce Bartholomew 1989-7-14 4981 Modoc Vicinity of Upper Rush Creek Camp Ground. 1580 Comment
  HSC65601  Maianthemum racemosum subsp. amplexicaule Thomas Wood 1979-8-9 235 Modoc Dirt road along Bidwell Creek, 2.7 mi. NW of Jct. with Hwy. 2, N of Fort Bidwell. 1509 Comment
  POM169302  Maianthemum stellatum M. H. Manning 1903-1 114 Modoc Fort Bidwell, northeastern Modoc Co. Comment
  HSC15983  Malva neglecta M. T. Milligan 1965-7-11 446 Modoc N end of Jess Valley 1616 Comment
  RSA628299  Malva neglecta Louis C. Wheeler 1973-8-26 s.n. Modoc Warner Mountains: Intersection of stream below Van Riper Spring with road to Sworinger Reservoir. 1829 Comment
  UC1191795  Marrubium vulgare Verne Grant and Irving Schneider 1947-8-27 8330 Modoc embayment at s end Clear Lake; s end of Clear Lake Comment
  CAS-BOT-BC179870  Marrubium vulgare John H. Hatton 1911-6-22 149 Modoc Modoc County, lava formation. 1615 Comment
  UC1099807  Marsilea Herbert L. Mason and Verne Grant 1947-7-10 13350 Modoc 2 mi e Alturas (Dorris Reservoir) Comment
  UC803938  Marsilea oligospora G. L. Stebbins Jr. with P. Dansereau, C. McMillan, and K. Narayan 1949-8-7 4013 Modoc 35 mi s Tule Lake (Mud Lake) 1524 Comment
  POM229956  Marsilea vestita L. C. Wheeler 1935-8-18 3897 Modoc 2 miles northeast of Alturas 1357 Comment
  JEPS119672  Matricaria discoidea Lowell Ahart, John Dittes 2012-7-12 18353 Modoc In the parking area on the east side of Elkins Lane, northeast of 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. Comment
  JEPS118334  Matricaria occidentalis Lowell Ahart, John Dittes 2011-6-22 17542 Modoc On the west side of the road, about 30 yards north of the Pilot Butte Parking Lot, north edge of Ash Creek Floodplain, 1.1 miles (air) south of County Road 87, 7.7 miles (air) west of Aden [Adin], 10 miles (air) east of Lookout, Big Valley. 1264 Comment
  CHSC100363  Medicago lupulina Lowell Ahart; John Dittes 2008-8-26 15347 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
  JEPS65519  Medicago lupulina Frances D. Payne 1932-6-5 414 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  HSC29816  Melica fugax D. H. Norris, P. Nelson, S. Dowty 1971-6-22 19320 Modoc Soup Springs Campground. Comment
  UCD88671  Melica subulata R. Tofsrud 1947-7-1 251 Modoc 5 mi. W of Ft. Bidwell. 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-BC179866  Mentha arvensis Verne Grant; I. Schneider 1947-7-18 8050 Modoc Eastside canal, 5 mi. N of Bayley's bridge, S of Alturas. Comment
  JEPS121211  Mentha arvensis Lowell Ahart, John Dittes 2013-7-24 18939 Modoc South bank of Ash Creek Canal, S of Ash Creek, Ash Creek State Wildlife Area, 0.79 air miles S of County Road 87, 1.73 air miles W of Adin, Big Valley. Comment
  HSC80891  Mentzelia albicaulis G. M. Riegel 1980-7-28 948 Modoc S Warner Mtns. 2100 Comment
  UC748411  Mentzelia albicaulis Annie M. Alexander and Louise Kellogg 1946-6-12 4736 Modoc east side Fandango Pass rd. 1676 Comment
  CAS-BOT-BC179143  Mentzelia dispersa Bruce Bartholomew 1991-7-4 5918 Modoc Road between Roney Flat and Miller Flat. 1630 Comment
  CHSC107347  Mentzelia dispersa Lowell Ahart; John Dittes 2011-6-22 17557 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
  SEINET3155006  Mentzelia dispersa L. S. Rose 1940-6-13 40584 Modoc Surprise, NE of Alturas 1372 Comment
  CAS-BOT-BC179111  Mentzelia veatchiana Bruce Bartholomew 1990-6-17 5334 Modoc Surprise Valley, at the W side of Middle Alkali Lake, directly E of Cedarville. 1370 Comment
  CAS-BOT-BC179116  Mentzelia veatchiana Bruce Bartholomew 1991-6-22 5854 Modoc E side of Surprise Valley, 8.3 km E of Eagleville. 1430 Comment
  JEPS20795  Menyanthes trifoliata Frances D. Payne 1929-7-26 121 Modoc 2 mi sw of Mount Warren (Pine Creek Basin, southeastern Modoc County); Pine Creek Basin 2133 Comment
  CAS-BOT-BC54045  Mertensia ciliata Bruce Bartholomew; Barrett Anderson 1988-6-24 4301 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-BC54002  Mertensia longiflora Bruce Bartholomew; Barrett Anderson 1988-5-13 4153 Modoc Along Parker Creek Road, 0.5 km W of West Warner Road on Parker Creek Road, W side of the Warner Mts.. 1650 Comment
  CAS-BOT-BC54048  Mertensia longiflora Leland S. Smith 1919-5-1 1083 Modoc Henderson Meadow Allotment. 1828 Comment
  CAS-BOT-BC54049  Mertensia longiflora Fred D. Douthitt 1916-4-20 4 Modoc Flournoy Swale. 1828 Comment
  SEINET11302717  Mertensia longiflora M. J. Williams 1984-6-29 84- 71 -1 Modoc Lily Lake, west side of the Warner Mountains 2073 Comment
  NY1084275  Mertensia oblongifolia B. M. Bartholomew 1992-5-15 6301 Modoc Tamarack Flat, east side of the Warner Mountains 2160 Comment
  CHSC31508  Mertensia oblongifolia var. amoena N. E. H. Prouty 1980-7-1 196 Modoc Modoc Nat. Forest. Opening south of Soup Spring's Campground. 2072 Comment
  CAS-BOT-BC54014  Mertensia oblongifolia var. nevadensis E. H. Steffen 1917-6-9 29 1/2 Modoc Jess Valley. 1981 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
  CAS-BOT-BC54019  Mertensia oblongifolia var. oblongifolia C. C. (Mrs.) Bruce 1899-7-1 2260 Modoc Modoc County. Comment
  UCR267412  Micranthes integrifolia Jim Andre, Glenn L. Clifton 1993-6-12 29996 Modoc Warner Mountains, Cedar Pass, Hwy 299, Modoc National Forest 1919 Comment
  CAS-BOT-BC225955  Micranthes nidifica Bruce Bartholomew 1990-6-15 5249 Modoc Manzanita Mountain in ca. 0.2 km S of turn off to Manzanita Lookout 2040 Comment
  CAS-BOT-BC225959  Micranthes nidifica E. S. Willits 1940-5-16 254 Modoc Willow Ranch. 1371 Comment
  CAS-BOT-BC225965  Micranthes nidifica Bruce Bartholomew; Barrett Anderson 1989-4-30 4717 Modoc Along Ralston Gulch, 2.4 km S of Caldwell Road (Co. road 54). 1450 Comment
  CHSC118311  Micranthes nidifica L. P. Janeway 2016-5-18 12075 Modoc Modoc Plateau. Devils Garden area; Island Meadow, along Road 47N08 2.1 road-km north of Road 73/181/47N09. 1606 Comment
  CAS-BOT-BC225969  Micranthes oregana Bruce Bartholomew 1991-8-5 6041 Modoc Squaw Peak Trail on N side of Squaw Peak, E side of Warner Mts. 2420 Comment
  CAS-BOT-BC49390  Microseris laciniata subsp. laciniata Leland S. Smith 1924-6-8 1382 Modoc Egg Lake near SW corner in meadow. 1341 Comment
  CHSC67085  Microseris nutans James D. Jokerst 1987-5-12 2843 Modoc Radar Survey Site S of Doublehead Mtn., N end of central sector. Comment
  UC35777  Microseris nutans Milo S. Baker 1893-6-18 Modoc Comment
  UCSB27157  Microsteris gracilis Wilken, Dieter 1969-7-28 Modoc Mill Creek Falls; near Clear Lake; east of Likely; Warner Mtns 1767 Comment
  SEINET7719529  Mimulus austiniae Unknown Modoc Mesa Comment
  UC1553379  Mimulus breweri Sch/Yor/Hor/Ach 1988-7-16 1827 Modoc ca. 1 mi se Pepperdine Camp; Warner Mtns. 2316 Comment
  RSA535421  Mimulus cusickii David M. Thompson 1988-7-23 975 Modoc E side Warner Mountains, 3.7 miles S of Hwy 299 (at Cedarville) along Surprise Valley Road, then 1.5miles W along Granger Canyon Road. 1500 Comment
  UCD122533  Mimulus cusickii S. E. Schoenig 1998-7-4 98- 67 Modoc 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
  CHSC117230  Mimulus guttatus Lowell Ahart; John Dittes 2016-7-16 21238 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
  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
  RSA59438  Mimulus guttatus E. K. Balls 1950-5-18 14752 Modoc N of Upper Rush Creek Public Camp; 2.5 mi. east from Hwy. 299 1738 Comment
  UCR34706  Mimulus guttatus J. A. Harpel 1981-8-6 V 30 Modoc Warner Mtns, South Warner Wilderness Area: E end of Patterson Lake, 7 mi NW of Eagleville 2744 Comment
  JEPS11716  Mimulus guttatus Francis W. Pennell Jun 8 1940-Jun 9 1940 25749 Modoc w Cedar Pass (ne of Alturas); Warner Mountains 1798 Comment
  UC445161  Mimulus layneae Franklin P. Nutting 1893-6-8 Modoc near Egg Lake Comment
  CAS-BOT-BC234453  Mimulus nanus Bruce Bartholomew 1991-6-20 5787 Modoc Top of Fox Mountain, ca. 10 airline km NW of Adin. 1900 Comment
  UC1523788  Mimulus nanus var. jepsonii Gregg Riegel 1981-7-13 1151 Modoc near Day 1524 Comment
  RSA535448  Mimulus nanus var. nanus David M. Thompson 1988-6-2 926 Modoc 8.5 airmiles NNE of Adin. 0.2 mi W of campground loop road of Upper Rush Creek Campground; ca. 2 mi E of Hwy 139-299. 1600 Comment
  UC103787 Image available Mimulus nanus var. nanus Mrs. R. M. Austin 1885-1 Modoc Modoc Co. Comment
  RSA550575  Mimulus pulsiferae Bruce Bartholomew, B. Anderson 1989-6-3 4910 Modoc ca. 6 km NW of Egg Lake and ca. 0.8 km E of Service Flat Gulch. 1370 Comment
  POM319368  Mimulus tricolor Patricia Wilder 1971-6-20 5062 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-BC95210  Minuartia douglasii Bruce Bartholomew 1993-6-12 6585 Modoc Road to Day Rock from Little Hot Spring Valley. 1250 Comment
  HSC69612  Monardella glauca Gary Schoolcraft 1979-7-17 148 Modoc Above Stowe Reservoir Comment
  CHSC67817  Monardella odoratissima James D. Jokerst 1990-8-2 3208 Modoc Summit of East Sand Butte just E of Lava Beds National Monument. 1423 Comment
  LA62591  Monardella odoratissima Louis C. Wheeler; 1935-8-14 3841 Modoc Warner Mountains, Pine Creek 2011 Comment
  SEINET3996771 Image available Monardella odoratissima Marion Ownbey, Fred G. Meyer 1940-7-1 2150 Modoc Warner Mts.; Cedar Peak Comment
  CAS-BOT-BC179372  Monardella odoratissima subsp. glauca Bruce Bartholomew 1989-7-14 4965 Modoc Survice Gulch ca. 3 km NE of Egg Lake. 1340 Comment
  CAS-BOT-BC179373  Monardella odoratissima subsp. glauca Clare Butterworth Hardham 1974-8-6 20170 Modoc N slopes, N side Cedar Pass. Comment
  CAS-BOT-BC179851  Monardella odoratissima subsp. glauca Leland S. Smith 1917-7-11 98 Modoc Granger Mill Camp. 1981 Comment
  UC1553401  Monardella odoratissima subsp. glauca G. Schoolcraft 1988-7-12 1826 Modoc at mouth N. Deep Creek; Warner Mtns. 1524 Comment
  UC634864  Monardella odoratissima subsp. glauca F. H. Frost 1925-7-20 86 Modoc Cedar Camp Warner Mts. Comment
  CAS-BOT-BC222000  Monardella odoratissima subsp. glauca Clare B. Hardham 1975-8-1 20585 Modoc Rimrock west of Lake City 2438 Comment
  NY539897  Monolepis nuttalliana B. M. Bartholomew 1995-6-2 6935 Modoc 6.4 km east of Eagleville, south end of Surprise Valley 1380 Comment
  HSC17741  Montia chamissoi M. T. Milligan 1965-6-23 312 Modoc N end of Jess Valley 1616 Comment
  CAS-BOT-BC197508  Montia fontana Bruce Bartholomew 1992-5-16 6331 Modoc S end of Sweagert Flat. 1840 Comment
  UC71836  Montia fontana Mrs. M. H. Manning May, 1903 116 Modoc Spring near Fort Bidwell (in north-eastern Modoc County) Comment
  UC852059  Montia fontana C. L. Hitchcock 1940-5-27 6697 Modoc 12 mi ne of Alturas 1615 Comment
  CAS-BOT-BC247571  Muhlenbergia asperifolia Herbert Louis Mason 1947-8-15 13542 Modoc Mouth of Crane Creek on Willow Ranch. Comment
  UCD86774  Muhlenbergia jonesii Leo Whitney 1935-8-15 3622 Modoc U.S.B.E. - R. S. -6. 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
  UC1024923  Muhlenbergia richardsonis Leo Whitney 1935-6-29 3355 Modoc ca 15 mi nw Canby; Modoc National Forest, Lake Joaquina, Hackamore 1463 Comment
  UC60731  Muhlenbergia richardsonis M. S. Baker and Frank Nutting 1894-1 Modoc Comment
  RSA722575  Munroa squarrosa Richard Halse 2006-8-3 6988 Modoc Along Jess Valley Road ca. 4 miles east of Likely, just past bridge over the Pit River. 1387 Comment
  CAS-BOT-BC217297  Myosurus minimus Bruce Bartholomew; Barrett Anderson 1989-4-28 4654 Modoc 11 km N of State Highway 299 and ca. 1 km S of Raker & Thomas Reservoir. 1500 Comment
  CHSC107333  Myosurus minimus Lowell Ahart; John Dittes 2011-6-21 17519 Modoc About 130 yards west of the fence, south edge of the meadow, Ash Creek State Wildlife Area, about 2,300 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  CHSC117847  Myosurus minimus L. P. Janeway 2016-5-16 11998 Modoc Modoc Plateau. Devils Garden area; along Road 46N05A (Applegate Trail Southern Route) 0.3 km west of Road 46N02; 2.4 air-km east-southeast of Green Tank Reservoir and Green Spring Reservoir. 1569 Comment
  SEINET188356 Image available Myriophyllum exalbescens C. L. Hitchcock 1940-5-28 6722 Modoc 15 mi N of Alturas (near Surprise). 1402 Comment
  RSA27960  Myriophyllum sibiricum C. L. Hitchcock 1940-5-28 6722 Modoc 15 miles north of Alturas, (near Surprise). 1402 Comment
  CHSC67374  Navarretia James D. Jokerst 1986-8-12 2766 Modoc Radar Site Survey S of Doublehead Mtn., vernal pool adjacent to unnamed road ca. 0.5 mi S of its jct. With the E-W road to Doublehead Mtn. Comment
  CAS-BOT-BC198017  Navarretia breweri Beecher Crampton 1954-7-7 2144 Modoc W side of Cedar Pass, Warner Mts. 1889 Comment
  JEPS86350  Navarretia breweri Jack and Betty Guggolz 1988-6-30 964 Modoc near Old Canyon Mill Road Comment
  UC748263  Navarretia breweri Annie M. Alexander and Louise Kellogg 1946-7-7 4933 Modoc Eight Mile Creek, ne corner of Modoc Co. Eight Mile Creek 1752 Comment
  UC726849  Navarretia breweri A. A. Heller 1941-6-25 16209 Modoc nw of Alturas (plateau s of Big Sage Reservoir) 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-BC198003  Navarretia divaricata subsp. vividior Alice Eastwood; John Thomas Howell 1940-6-15 8288 Modoc 9 mi. N of Lookout. Comment
  UC526152  Navarretia divaricata subsp. vividior John Thomas Howell 1934-7-1 12323 Modoc Duncan Horse Camp Comment
  CAS-BOT-BC197985  Navarretia intertexta subsp. propinqua Bruce Bartholomew; Barrett Anderson 1989-6-3 4850 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
  CAS-BOT-BC197989  Navarretia intertexta subsp. propinqua Annie Montague Alexander; L. Kellogg 1946-7-7 4932 Modoc Eight Mile Creek, NE corner of county. 1752 Comment
  RSA165590A  Navarretia intertexta subsp. propinqua Clare B. Hardham 1961-6-19 7840 Modoc Willow Creek. Warner Mountains. Comment
  SJSU9537  Navarretia intertexta subsp. propinqua W. Savage 1979-7-3 1276 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  UC526146  Navarretia intertexta subsp. propinqua John Thomas Howell 1934-6-15 12199 Modoc 2 mi e Alturas; Dorris Reservoir Comment
  CAS-BOT-BC197959  Navarretia leucocephala subsp. minima K. Paulson; Robert Paulson 1989-7-2 158 Modoc Vicinity of Craig Spring, ca. 2 mi. NE of Happy Camp. 1447 Comment
  CAS-BOT-BC197965  Navarretia leucocephala subsp. minima Leland S. Smith 1924-5-31 1355 Modoc Egg Lake above ranch. 1310 Comment
  CAS-BOT-BC197969  Navarretia leucocephala subsp. minima Leland S. Smith 1924-5-31 1355 Modoc Egg Lake above ranch. 1310 Comment
  UC1058212  Navarretia leucocephala subsp. minima C. McMillan 1949-6-16 1538 Modoc 3 mi s Crowder Flat (35 mi n of Canby) Comment
  UC1191635  Navarretia linearifolia subsp. linearifolia Herbert L. Mason 1947-8-8 13455 Modoc nw Alturas (Ingalls Swamp); n of Big Sage Reservoir, Ingalls Swamp Comment
  RSA67204  Navarretia sinistra Verne Grant, Alva Grant 1947-7-13 8015 Modoc Fandango Pass, Warner Mountains. Comment
  CAS-BOT-BC95149  Nemacladus capillaris Bruce Bartholomew; Barrett Anderson 1988-6-25 4399 Modoc Ryan Canyon, N of Adin. 1390 Comment
  CAS-BOT-BC179309  Nemophila breviflora Bruce Bartholomew 1992-5-15 6311 Modoc Upper end of Pleasants Canyon, W side of Warner Mountains. 1930 Comment
  CAS-BOT-BC179310  Nemophila breviflora Annie Montague Alexander; L. Kellogg 1946-6-15 4775 Modoc Deep Creek. 2133 Comment
  UC606896  Nemophila breviflora L. Constance 1938-6-12 2332 Modoc 13.4 mi ne Alturas (edge of Thombs Creek at foot of Bonner Grade, Cedar Pass Road, western foothills of the Warner Range); western foothills of Warner Range, Thombs Creek 1524 Comment
  UC660059  Nemophila breviflora Alan A. Beetle 1941-6-29 2829 Modoc near summit Cedarville Pass; near summit of Cedarville Pass 2118 Comment
  CAS-BOT-BC179297  Nemophila parviflora var. austiniae Lincoln Constance 1938-6-12 2333 Modoc Edge of Thoms Creek at foot of Bonner Grade, Cedar Pass Rd., 13.4 mi. NE of Alturas. 1524 Comment
  CAS-BOT-BC179305  Nemophila parviflora var. austiniae Bruce Bartholomew; Barrett Anderson 1988-5-12 4114 B Modoc S side of Egg Lake. 1300 Comment
  UC748435  Nemophila parviflora var. austiniae Annie M. Alexander and Louise Kellogg 1946-6-14 4745 Modoc Barber Creek Barber Creek (Patterson Mill Road) 1798 Comment
  CAS-BOT-BC179287  Nemophila pedunculata C. L. Hitchcock 1940-5-27 6684 Modoc 15 mi. NE of Alturas. 1615 Comment
  RSA59717  Nemophila pedunculata E. K. Balls 1950-5-18 14758 Modoc N of Upper Rush Creek Public Camp; 2.5 mi. east from Hwy. 299 1738 Comment
  UC65048  Nemophila pedunculata Milo S. Baker 1893-1 Modoc Forestdale Comment
  CHSC34509  Nicotiana attenuata J. D. Prouty 1980-8-9 1148 Modoc Ca. 2 mi e of Cedarville, n side of Rd 299 as it intersects w margin of Middle Alkali Lake. Comment
  JEPS79208  Nothocalais troximoides L. R. Heckard with Rimo Bacigalupi 1980-6-11 5239 Modoc junction of Parker Creek and Sheilds Creek (about 10 air mi se of Alturas); Parker Creek 1737 Comment
  CAS-BOT-BC497315  Oenothera Fred P. Cronemiller, Jr. 1920-6-14 23 Modoc Bieber Range 1341 Comment
  CAS-BOT-BC190802  Oenothera flava subsp. flava K. Paulson; Robert Paulson 1989-6-21 142 Modoc Vicinity of S Fork of Pine Creek, W side of the Warner Mts. 1883 Comment
  UC128759  Oenothera flava subsp. flava Milo S. Baker 1893-1 Modoc e side Egg Lake Comment
  UC726198  Oenothera flava subsp. flava A. A. Heller 1941-6-26 16210 Modoc along US Hwy 299 five mi w Alturas Comment
  CAS-BOT-BC245089  Olsynium douglasii var. douglasii K. Paulson; Robert Paulson 1991-5-25 216 Modoc Near Fletcher Creek. 1584 Comment
  CAS-BOT-BC245095  Olsynium douglasii var. douglasii Edward Kent Balls 1950-5-12 14641 Modoc Above Buck Creek Ranger Station. 1767 Comment
  UC71675  Olsynium douglasii var. douglasii Mrs. M. H. Manning 1903-4-19 82 Modoc Mt. Bidwell; se slope, ne Modoc Co. 1524 Comment
  JEPS64298  Olsynium douglasii var. douglasii B. M. Payne 1930-4-19 344 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  UC1587056  Olsynium douglasii var. inflatum G. Schoolcraft 1991-5-15 2136 Modoc e slope of mt. 5 mi n Lookout; Splawn Mtn. 1371 Comment
  CDA7563  Onopordum acanthium T. C. Fuller 1960-7-27 4992 Modoc Southeast of 4th & East Streets, Alturas. 0 Comment
  JEPS114491  Onopordum acanthium subsp. acanthium Lowell Ahart, John Dittes 2008-8-25 15275 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
  UC35317  Orobanche fasciculata Mrs. Bruce 1898-1 Modoc (No location given). Comment
  UC27899  Orobanche uniflora subsp. occidentalis M. S. Baker and Frank Nutting 1894-6-8 Modoc Near Egg Lake. Comment
  CHSC109451  Orthilia secunda B. Castro; L. P. Janeway 2012-7-24 1945 Modoc Warner Mountains. Along Forest Road/County Road 2 (the road from New Pine Creek to Fort Bidwell) 0.9 air mi east of Lily Lake and 1.1 air mi southwet of Dismal Swamp. 2250 Comment
  SJSU9692  Orthocarpus bracteosus W. Savage 1979-7-21 1553 Modoc Oregon Rim Unit, Devils Garden District, Modoc National Forest 1584 Comment
  CAS-BOT-BC232178  Orthocarpus cuspidatus subsp. copelandii Frank Warrington Peirson 1926-6-25 6871 Modoc Cedarville Pass. Comment
  UCSB10027  Orthocarpus cuspidatus subsp. cryptanthus Haller, John 1959-8-1 Modoc 1/4 mile north of the highest point on the road between Blue Lake and Lower Alkali Lake, crest of the Warner Mnts. 2438 Comment
  RSA185398  Orthocarpus lithospermoides Clare B. Hardham 1961-6-18 7541 Modoc 3 miles SE of Cedar Pass. 1829 Comment
  UC726143  Orthocarpus luteus A. A. Heller 1940-6-30 15745 Modoc along U.S. Highway #299, 8 mi w Alturas; w of Alturas Comment
  CAS-BOT-BC15737  Osmorhiza chilensis Bruce Bartholomew; Barrett Anderson 1988-6-24 4338 Modoc Cave Lake, W side of the Warner Mts.. 2130 Comment
  CAS-BOT-BC15743  Osmorhiza chilensis Roxana Stinchfield Ferris; R. Duthie 1919-6-3 52 Modoc Along Parker Creek at Modoc National Forest boundary., Comment
  CAS-BOT-BC15744  Osmorhiza depauperata John Thomas Howell 1934-6-12 12028 Modoc Plum Valley. Comment
  CAS-BOT-BC15745  Osmorhiza occidentalis Annie Montague Alexander; L. Kellogg 1946-7-11 4962 Modoc Eight Mile Creek. Comment
  CAS-BOT-BC15746  Osmorhiza occidentalis Barrett Anderson 1986-7-9 3152 Modoc Hwy 299 just W of Cedar Pass. 1920 Comment
  CAS-BOT-BC15748  Osmorhiza occidentalis C. C. (Mrs.) Bruce 1894-7-1 66 Modoc Lake City Canyon. Comment
  HSC21591  Osmorhiza occidentalis M. T. Milligan 1966-7-3 548 Modoc Slopes and ridges E of Jess Valley 1829 Comment
  JEPS15929  Osmorhiza occidentalis L. S. Smith 1918-8-11 1019 Modoc Lost Lake Trail Modoc National Forest, Warner Mts. (Camp One, T38-16) 2438 Comment
  NY1101846  Osmorhiza occidentalis B. M. Bartholomew 1990-7-20 5488 Modoc 10.3 km north of Buck Creek Ranger Station, crest of Warner Mountains west side of Warner Mountains 2130 Comment
  NY1101853  Osmorhiza occidentalis J. T. Howell 1934-6-11 11948 Modoc Parker Creek, Warner Mountains 1585 Comment
  UC748406  Osmorhiza occidentalis Annie M. Alexander and Louise Kellogg 1946-6-30 4875 Modoc Highgrade Warner Mountains (w side of ridge, n end of mts.) 2377 Comment
  CAS-BOT-BC50301  Packera cana Bruce Bartholomew 1990-6-17 5357 Modoc 11.3 km N of Buck Creek Ranger Station, a crest of the Warner Mountains. 2130 Comment
  CAS-BOT-BC50347  Packera cana Bruce Bartholomew 1994-5-29 6730 Modoc Lava fields N of Big Sand Butte. 1270 Comment
  UC1523796  Packera cana Gary Schoolcraft 1981-5-12 390 Modoc sw Alturas 1493 Comment
  JEPS5948  Packera eurycephala Frances D. Payne 1931-6-8 186 Modoc s and e of Alturas; Warner Mountains, Parker Creek 1584 Comment
  CAS-BOT-BC50271  Packera eurycephala var. eurycephala Helen Katherine Sharsmith 1955-6-25 4507 Modoc N slope of Jess Valley. 1584 Comment
  CAS-BOT-BC50317  Packera eurycephala var. eurycephala Bruce Bartholomew 1991-5-25 5766 Modoc 8 km E of Likely on road to Jess Valley, N side of road along N side of S Fork of Pit River. 1460 Comment
  UC35935  Packera pseudaurea subsp. pseudaurea Mrs. R. M. Austin August 1894 Modoc Davis Creek Comment
  CAS-BOT-BC190777  Paeonia brownii Frances Payne 1929-7-7 48 Modoc Pine Creek Basin, Warner Mts. 2316 Comment
  POM260872  Paeonia brownii Alice Eastwood, John T. Howell 1940-6-13 8117 Modoc Surprise Comment
  RSA59974  Paeonia brownii E. K. Balls 1950-5-13 14674 Modoc West of Goose Lake, 0.2 mile S of Oregon-California state line 1463 Comment
  POM99653  Paeonia brownii R. M. Austin 1895-06 219 Modoc Goose Lake Valley. Comment
  RSA520367  Paeonia brownii Bruce Bartholomew, B. Anderson 1989-4-29 4686 Modoc Surprise Valley Road, just S of the Oregon border, extreme NE corner of Modoc County. 1630 Comment
  CAS-BOT-BC497211  Panicum Gladys L. Smith; Margaret Williams; Loring Williams; Charles Smith 1983-9-14 8380 Modoc Warner Mts., Rte. 299, exactly 12.8 mi NE of Alturas 1554 Comment
  UCD14405  Panicum capillare Sheryl Gill 1996-9-3 s.n. Modoc At the Tule Lake National Wildlife Refuge - 'Frey's Island' Sites D, E, and F; in the south-east part of the refuge in southern sump; 'Captain Jack's Stronghold' GS map quad; 1229 Comment
  UCR67456  Panicum capillare George K. Helmkamp 1990-9-23 I- 24 Modoc Warner Mtns, Goose Lake, within 0.1 mi of the Oregon border 1476 Comment
  UC18066  Paxistima myrsinites Milo S. Baker 1893-6 Modoc Forestdale Comment
  CHSC109737  Pectiantia pentandra B. Castro; L. P. Janeway 2012-7-27 1972 Modoc Warner Mountains. North-sloping meadow opening just above Mineral Spring, 0.,3 air mi east of Yellow Mountain. Meadow surrounded by tall lodgepole pine forest; on E side of road. 2350 Comment
  CAS-BOT-BC232309  Pedicularis attollens Annie Montague Alexander; L. Kellogg 1946-6-20 4810 Modoc Below Eagleville. 1440 Comment
  CAS-BOT-BC232310  Pedicularis attollens Leland S. Smith 1922-7-20 1287 Modoc Rush Creek Ranger Station. 1889 Comment
  RSA401926  Pedicularis attollens George Willet 1935-6-26 s.n. Modoc Jess Valley, Warner Mountains. 2439 Comment
  CAS-BOT-BC232305  Pedicularis groenlandica subsp. surrecta Elmer Ivan Applegate 1932-7-6 8242 Modoc Lily Lake, Bidwell Pass, Warner Mountatins Comment
  HSC80738  Pedicularis semibarbata G. M. Riegel 1980-7-12 863 Modoc S Warner Mtns. 1670 Comment
  CAS-BOT-BC232348  Penstemon davidsonii var. davidsonii Francis Dorris Payne 1929-7-26 s.n. Modoc Mt. Warren, Warner Mountains Comment
  JEPS29105  Penstemon davidsonii var. davidsonii Lauramay T. Dempster 1961-6-20 1715 Modoc ridge just north of junction of Dismal Creek Road with Fort Bidwell Road; Warner Mts. 2346 Comment
  UC748177  Penstemon deustus Annie M. Alexander and Louise Kellogg 1946-6-28 4868 Modoc Pine Creek Canyon , Pine Creek Canyon (n end of Warner Mountains) 1615 Comment
  RSA0026212  Penstemon deustus John F. Emmel 1997-6-9 1500 Modoc Eastern foothills of Warner Mts., NE of Fort Bidwell; along County Road 1, 12.5 road miles NE of junction with County Road 6, north of Cow Head Lake, 0.4 air mile NE of BM 5240. 1598 Comment
  POM43207  Penstemon deustus subsp. deustus R. M. Austin 1890-07 535 Modoc Goose Lake Valley Comment
  CAS-BOT-BC232372  Penstemon deustus var. pedicellatus Elmer Ivan Applegate 1932-8-2 8070 Modoc Mill Creek Meadows. Comment
  CAS-BOT-BC232373  Penstemon deustus var. pedicellatus Roxana Stinchfield Ferris; R. Duthie 1919-6-13 100 Modoc Above Parker Creek, Warner Mountains Comment
  JEPS11228  Penstemon deustus var. pedicellatus Milo S. Baker 1893-7-24 25 Modoc near, sw Forestdale (Lava Beds); near Forestdale, sw, Lava Beds Comment
  JEPS11229  Penstemon deustus var. pedicellatus Milo S. Baker 1894-1 Modoc Egg Lake Comment
  NY600738  Penstemon gracilentus M. Bourell 1993-8-14 5223 Modoc Patterson Lake. South Warner Wilderness Area. Warner Mountains. 2743.2 Comment
  UC566680  Penstemon gracilentus F. H. Frost 1925-7-25 156 Modoc Eagle Peak Warner Mountains, Eagle Peak Comment
  UC711891  Penstemon gracilentus Roxana S. Ferris and Laura Lorraine 1941-8-13 10520 Modoc Patterson Ranger Station (East Creek drainage) Warner Mountains, Modoc National Forest, East Creek drng (Modoc National Forest, Warner Mountains) 2164 Comment
  UC748182  Penstemon gracilentus Annie M. Alexander and Louise Kellogg 1946-6-28 4861 Modoc Pine Creek Canyon n end Warner Mountains, Pine Creek Canyon 2011 Comment
  UC748183  Penstemon gracilentus Annie M. Alexander and Louise Kellogg 1946-7-24 5079 Modoc Bear Camp Flat Warner Mountains, Bear Camp Flat 2286 Comment
  UCD149975  Penstemon gracilentus Harry George 1967-6-15 s.n. Modoc Egg Lake. Comment
  CAS-BOT-BC245525  Penstemon humilis var. humilis C. C. (Mrs.) Bruce 1899-8-1 2362 Modoc Mt. Bidwell. Comment
  CAS-BOT-BC245529  Penstemon humilis var. humilis Dean William Taylor; Robert Allen Price 1988-6-4 9742 Modoc Damons Butt, ca. 2.6 mi. W of Hwy 139. 1341 Comment
  SEINET11053001  Penstemon laetus subsp. roezlii Margaret J. Williams, A. Tiehm; J. Nachlinger 1988-6-2 88- 28 -7 Modoc Jess Valley, E of Likely, S of roadside rest Comment
  CAS-BOT-BC245514  Penstemon laetus var. sagittatus Bruce Bartholomew 1995-6-24 7018 Modoc 4.2 km E of County Road 114 on County Road 108. 1360 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
  NY650099  Penstemon roezlii J. L. Reveal 1971-6-22 2459 Modoc Along U.S. Highway 395 at Davis Creek 1453.9 Comment
  NY650125  Penstemon roezlii R. M. Austin 06 1894 6438 Modoc Willow Creek Valley Comment
  POM203064B  Penstemon roezlii J. T. Howell 1934-6-30 12269 Modoc Duncan Horse Camp. Comment
  NY650096  Penstemon roezlii M. J. Williams 1984-6-28 8468- 1 Modoc Warner Mountains, Stowe Reservoir area, west of Soldier Creek Road 2103.1 Comment
  UCD124163  Penstemon roezlii Jack Major 1966-6-24 s.n. Modoc Above Goose Lake, west side of Fandango Pass. 1645 Comment
  CAS-BOT-BC245487  Penstemon rydbergii var. oreocharis M. Vasey 1990-6-30 9029 Modoc Near Lava Camp (road end), Egg Lake. 1300 Comment
  CAS-BOT-BC245506  Penstemon rydbergii var. oreocharis Bruce Bartholomew 1990-6-16 5276 Modoc Bear Flat, W side of Warner Mountains. 1830 Comment
  HSC20995  Penstemon rydbergii var. oreocharis M. T. Milligan 1965-6-26 314 Modoc N end Jess Valley. 1616 Comment
  NY651315  Penstemon rydbergii var. oreocharis C. L. Hitchcock 1940-5-28 6726 Modoc 15 miles north of Alturas 1402.1 Comment
  RSA563317  Penstemon rydbergii var. oreocharis K. Paulson, R. Paulson 1990-7-2 210 Modoc Dismal Swamp, Warner Mtns. Comment
  CAS-BOT-BC214735  Peraphyllum ramosissimum Edward Kent Balls 1950-5-20 14811 Modoc Above South Fork Public Camp, on slope S of River, Likely to Jess Valley. 1432 Comment
  SJSU9556  Perideridia bolanderi subsp. bolanderi W. Savage 1979-7-3 1294 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  SEINET194803  Perideridia lemmonii A. A. Heller 1941-6-25 16208 Modoc South of Big Sage Reservoir NW of Alturas. Comment
  CAS-BOT-BC15713  Perideridia oregana R. M. Austin 1895-7-1 113 Modoc Goose Lake Valley. Comment
  CAS-BOT-BC15714  Perideridia oregana John Thomas Howell 1934-6-30 12287 Modoc Duncan Horse Camp. 1355 Comment
  CAS-BOT-BC15715  Perideridia oregana Annie Montague Alexander; L. Kellogg 1946-7-10 4951 Modoc N of Lake Annie. Comment
  CAS-BOT-BC15716  Perideridia oregana Alice Eastwood; John Thomas Howell 1940-6-15 8295 Modoc 9 mi. N of Lookout. Comment
  CDA13452  Perideridia oregana G. F. Hrusa, T. D. Wilfred 1996-7-21 13299 Modoc Modoc Plateau; Adjacent to Modoc Co. Rd. 90 bridge over Pit River. E base of Splawn Mtn. N end of Big Valley. Comment
  CAS-BOT-BC95154  Peritoma platycarpa Edward Kent Balls; Percy C. Everett 1952-10-10 18146 Modoc 2.4 mi E of Likely along road to Jess Valley. 1402 Comment
  CAS-BOT-BC95156  Peritoma platycarpa Mrs. H. C. Cantelow 1940-5-31 3059 Modoc 7.3 mi W of Alturas. Comment
  CAS-BOT-BC95158  Peritoma platycarpa Fred D. Douthitt 1916-5-11 24 Modoc Juniper Flats near Flournoy Swale 1524 Comment
  CHSC116077  Persicaria lapathifolia Lowell Ahart; John Dittes 2015-7-16 20174 Modoc North edge of Ash Creek (destroyed), southeast of the gravel pit (destroyed), about 1/8 mile east of parking area on east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  JEPS127289  Persicaria lapathifolia Lowell Ahart, John Dittes 2016-7-14 21189 Modoc South of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin Big Valley. Comment
  CAS-BOT-BC218156  Persicaria maculosa Bruce Bartholomew 1992-8-7 6355 Modoc Along the Pit River just SW of Canby Bridge. 1300 Comment
  HSC65616  Persicaria maculosa Thomas Wood 1979-8-11 252 Modoc 4 mi. S of Fort Bidwell on Co. Hwy. 1 1396 Comment
  HSC17557  Persicaria punctata M. T. Milligan 1964-8-21 231 Modoc S end of Dorris Reservoir Dam 1372 Comment
  RSA181790  Phacelia adenophora H. N. Metcalf, J. C. Wilson 1965-7-1 65 -21 Modoc Davis Creek. Comment
  UC748111  Phacelia hastata Annie M. Alexander and Louise Kellogg 1946-6-30 4870 Modoc Highgrade north end of Warner Mountains (w side of ridge) 2377 Comment
  JEPS81022  Phacelia hastata subsp. compacta J. P. Smith and J. O. Sawyer 1973-8-8 7239 Modoc s slopes of peak Eagle Peak 2560 Comment
  CAS-BOT-BC179267  Phacelia hastata subsp. hastata Annie Montague Alexander; L. Kellogg 1946-7-7 4948 Modoc Eight Mile Creek. 1752 Comment
  CAS-BOT-BC179257  Phacelia hastata subsp. hastata Milo Samuel Baker; Franklin P. Nutting 1894-6-5 s.n. Modoc Big Valley Mts. Comment
  CAS-BOT-BC180010  Phacelia heterophylla subsp. virgata Roxana Stinchfield Ferris; R. Duthie 1919-6-15 85 Modoc Above Parker Creek. 1676 Comment
  CAS-BOT-BC180021  Phacelia heterophylla subsp. virgata John Thomas Howell 1934-6-13 12061 Modoc Fandango Pass. 1828 Comment
  UC24490  Phacelia heterophylla subsp. virgata M. S. Baker and Frank Nutting 1894-6-8 Modoc Little Hot Spring Valley Comment
  CAS-BOT-BC180005  Phacelia heterophylla subsp. virgata Elmer Ivan Applegate 1935-6-8 9413 Modoc Near and W of Indian Well, Lava Beds National Monument. Comment
  CAS-BOT-BC180009  Phacelia heterophylla subsp. virgata Frederick H. Frost 1925-7-24 107 Modoc Jess Valley. Comment
  RSA83303  Phacelia heterophylla subsp. virgata Verne Grant, Alva Grant 1947-7-13 8016 Modoc Fandango Pass, Warner Mountains. Comment
  SJSU9504  Phacelia humilis H. L. Buckalew 1961-6-20 Modoc Stough (""Stowe"") Reservoir c. 1 mi N of Cedar Pass on Alturas-Cedarville Rd, Warner Mts 1920 Comment
  UC748322  Phacelia humilis Annie M. Alexander and Louise Kellogg 1946-6-5 4660 Modoc s Eagleville; Warner Mountains, Emerson Creek 1783 Comment
  JEPS79140  Phacelia humilis L. R. Heckard with R. Bacigalupi 1980-6-11 5242 Modoc about 10 mi ne Alturas; Cedar Pass Campground (US Forest Service) 1889 Comment
  CAS-BOT-BC179978  Phacelia humilis var. humilis Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16416 Modoc Near summit of Cedar Pass. 1935 Comment
  CAS-BOT-BC179992  Phacelia humilis var. humilis Bruce Bartholomew; Barrett Anderson 1988-7-22 4478 Modoc Vicinity of East Creak Trailhead, southern end of the Warner Mts. 2210 Comment
  CAS-BOT-BC179993  Phacelia humilis var. humilis K. Paulson; Robert Paulson 1989-6-28 152 Modoc Vicinity of Granger Creek, E side of the Warner Mts. 1905 Comment
  POM299083  Phacelia humilis var. humilis Alice Eastwood, J. T. Howell 1940-6-13 8185 Modoc West side of Cedar Pass. Comment
  CAS-BOT-BC179952  Phacelia linearis Fred D. Douthitt 20 Modoc Juniper Flats near Flournoy Swale. 1524 Comment
  HSC30191  Phacelia linearis D. H. Norris, T. Nelson, S. Dowty 1971-6-23 19376 Modoc Along the S Fork of the Pit River, ~6 mi. E of Likely. Comment
  UC1562693  Phacelia linearis Barbara Ertter 1988-6-18 7621 Modoc Hwy 139 1 mi s S jct to Lava Beds Nat'l Monument (a few mi n of Agric. Inspection Station, ca 50 air mi sw of Klamath Falls, e of Tonesta) 1310 Comment
  RSA428040  Phacelia linearis George Willet 1935-6-12 s.n. Modoc Warner Mountains. 2287 Comment
  RSA74336  Phacelia linearis Milo S. Baker 1936-6-14 8316 Modoc Near Quarintine Station Highway, between Canby and Malin, Oreg. Comment
  UC881174  Phacelia linearis Lewis S. Rose 1940-6-14 40584 Modoc 5 mi w Perez; Mammaoth Cave 1280 Comment
  CAS-BOT-BC179943  Phacelia mutabilis John Thomas Howell 1934-6-13 12047 Modoc Fandango Pass. 1828 Comment
  RSA165580  Phacelia ramosissima var. eremophila Clare B. Hardham 1961-6-20 7903 Modoc Top of Bidwell Road, Road to Dismal Creek. 2439 Comment
  POM301682  Phacelia ramosissima var. ramosissima Marion Ownbey, Fred G. Meyer 1940-7-1 2156 Modoc Cedar Peak, Warner Mountains. Comment
  POM127617  Phacelia sericea M. French Gilman 606 Modoc [No location information on label.] 2134 Comment
  CAS-BOT-BC179911  Phacelia thermalis Barrett Anderson 1986-7-9 3149 Modoc Crowder Flat Rd, 3.2 km off Hwy 299. 1510 Comment
  CAS-BOT-BC179916  Phacelia thermalis Alice Eastwood; John Thomas Howell 1940-6-12 8098 Modoc Midway between Likely and Alturas. Comment
  JEPS121231  Phalaris arundinacea Lowell Ahart, John Dittes 2013-7-24 18925 Modoc On the N side of the levee road, N side of Ash Creek Floodplain, 0.54 air miles SE of Pilot Butte parking area, 1.1 air miles S of County Road 87, 6.8 air miles W of Adin, Big Valley. Comment
  HSC80828  Phleum alpinum G. M. Riegel 1980-8-7 1009 Modoc S Warner Mtns. 2100 Comment
  UCD89310  Phleum alpinum August L. Hormay 1932-7-17 s.n. Modoc Lily Lake. Comment
  HSC2313  Phleum pratense M. T. Milligan 1964-7-20 156 Modoc N end of Jess Valley, near Mill Creek. 1677 Comment
  POM313149  Phleum pratense H. L. Mason, Verne Grant 1947-7-10 13358 Modoc 1/4 mile west of Dorris Reservoir; 2 miles east of Alturas Comment
  CHSC39481  Phlox caespitosa Jeanie M. Thayer 1984-4-14 1 Modoc Ca. 50 ft. s of Hwy 299, ca. 4 mi. ene of jct. of hwys 299 and 395. Ca. 10 mi ene of Alturas. 1463 Comment
  CAS-BOT-BC197945  Phlox diffusa Annie Montague Alexander; L. Kellogg 1946-6-27 4845 Modoc Highgrade, top of ridge, 2 mi. by road from Dismal Swamp. 2377 Comment
  CAS-BOT-BC197949  Phlox diffusa Alice Eastwood; John Thomas Howell 1940-6-13 8149 Modoc Fandango Pass. Comment
  CAS-BOT-BC197955  Phlox diffusa F. Angwin 1946-5-3 s.n. Modoc Big Valley. 1280 Comment
  CAS-BOT-BC248333  Phlox diffusa B. Bartholomew; H. Sun 2002-6-24 8813 Modoc Ridge top just S of Manzanita Mt. and 15.3 straight line km NW of Aden 2070 Comment
  HSC17157  Phlox diffusa M. T. Milligan 1965-7-10 437 Modoc W slope of Eagle Peak. 2439 Comment
  RSA11971  Phlox diffusa subsp. diffusa Elmer I. Applegate 1932-7-9 7572 Modoc North slope of Bidwell Mountain, Warner Mountains Comment
  CAS-BOT-BC197927  Phlox douglasii subsp. rigida Bruce Bartholomew 1990-6-15 5248 Modoc Top of Manzanita Mountain in vicinity of Manzanita Lookout. 2130 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
  CAS-BOT-BC197935  Phlox douglasii subsp. rigida M. M. Hanna 1956-6-7 s.n. Modoc Highway 139, between Canby and Tienestra. Comment
  CAS-BOT-BC197939  Phlox douglasii subsp. rigida R. M. Austin 1894-5-1 Modoc Goose Lake. Comment
  CHSC112114  Phlox hoodii subsp. canescens L. P. Janeway; B. Castro 2014-6-2 11289 Modoc Great Basin. Along County Road 5 1.0 km west of the southwest corner of Cow Head Lake. 1627 Comment
  CHSC116361  Phlox hoodii subsp. canescens J. R. Keck Jr.; Wright 1991-5-30 PDR 725210 Modoc Tionesta; Modoc National Forest. 1311 Comment
  RSA647581  Phlox hoodii subsp. canescens Marion P. Harthill 1972-6-17 850 Modoc Cedar Pass 1921 Comment
  RSA59854  Phlox hoodii subsp. lanata E. K. Balls 1950-5-15 14700 Modoc 6 miles SW of Dry Lake Ranger Station, along railroad. 1280 Comment
  CAS-BOT-BC197877  Phlox stansburyi Francis Dorris Payne 1932-6-8 420 Modoc 3 mi. N of Alturas on Cedarville road. Comment
  CHSC31509  Phoenicaulis cheiranthoides N. E. H. Prouty 1980-6-19 188 Modoc Modoc Nat. Forest. 2133 Comment
  CHSC54181  Phoenicaulis cheiranthoides Vernon H. Oswald 1991-5-28 4633 Modoc North side of parking area on the southeast side of Pilot Butte, Ash Creek Wildlife Area, ca. 5.5 miles north-northeast of Bieber. 1264 Comment
  JEPS15390  Phoenicaulis cheiranthoides Milo S. Baker circa 1894 Modoc Forestdale Comment
  JEPS5962  Phoenicaulis cheiranthoides Frances D. Payne 1931-6-21 210 Modoc s and e of Alutras (sw of Dry Creek, tributary of Parker Creek); Warner Mountains 1981 Comment
  RSA59358  Phoenicaulis cheiranthoides E. K. Balls 1950-5-10 14598 Modoc East of Middle Lake, near Cedarville. 1402 Comment
  UCD116138  Phoenicaulis cheiranthoides Alan A. Beetle 1941-6-29 2831 Modoc Near summit of Cedarville Pass. 2118 Comment
  RSA600326  Phoradendron juniperinum Louis C. Wheeler 1935-8-8 3814 Modoc Warner Mountains: Pine Creek. 1646 Comment
  CAS-BOT-BC247590  Phragmites australis Bruce Bartholomew 1994-10-9 6886 Modoc Just N of Lassen County on road to Eagleville, S end of Surprise Valley. 1370 Comment
  UCD89835  Phragmites australis P. B. Kennedy 1915-9-5 s.n. Modoc Adin. Comment
  RSA639394  Pilularia americana L. C. Wheeler 1935-8-22 3911 Modoc Devil's Garden: South Mt. Reservoir. 1524 Comment
  POM228966  Pilularia americana L. C. Wheeler 1935-9-17 3990 Modoc Everly Reservoir, Devil s Garden 1524 Comment
  UCR78711  Pinus albicaulis David A. Charlet 1989-8-17 559 Modoc Warner Mtns., 1.3 km NW of Eagle Peak. 2550 Comment
  CAS-BOT-BC30160  Pinus contorta subsp. murrayana Belknap C. Goldsmith 1911-6-14 30 Modoc North Fork Davis Creek, W slope Warner Mts. 1889 Comment
  SEINET10816816  Pinus contorta subsp. murrayana Karen M. Meyer, Andrew Townesmith 2007-9-16 Meyer 215 Modoc Modoc National Forest, 8.5 mi. on Hwy. 23 which turns into 31, south of Cedarville, CA. 2218 Comment
  UCD134513  Pinus contorta subsp. murrayana K. M. Meyer; A. Townesmith 2007-9-16 215 Modoc Modoc National Forest, 8.5 miles on Hwy. 23 which turns into 31, south of Cedarville, CA. 2218 Comment
  UC71759  Pinus contorta subsp. murrayana Mrs. M. H. Manning 1902-10-26 31 Modoc Warner Mt. ne Modoc County, Warner Mt. 1828 Comment
  NY49935  Pinus contorta var. murrayana B. M. Bartholomew 1988-7-22 4520 Modoc South end of Bearcamp Flat, southern end of Warner Mountains. Emerson Peak 7.5' Quad [topographic map] 2230 Comment
  SEINET191397  Pinus monticola M. Ownbey, FG Meyer 1940-7-1 2153 Modoc Near summit of Clear Peak Warner Mountains Comment
  RSA0116402  Pinus murrayana Bruce Bartholomew, B. Anderson 1988-7-22 4520 Modoc S end of Bearcamp Flat, Southern end of Warner Mountains. (Emerson Peak Quad) 2230 Comment
  UC711837  Pinus ponderosa Roxana S. Ferris and Laura Lorraine 1941-8-13 10546 Modoc Patterson Ranger Station Warner Mountains, Modoc National Forest ((East Creek drainage)) 2164 Comment
  CAS-BOT-BC21499  Pinus washoensis Bruce Bartholomew 1994-7-2 6822 Modoc Hillside just N of jcn. of Forest Service rds. 45N34 and 46N30. 2300 Comment
  UC71858  Piperia unalascensis Mrs. M. H. Manning 1903-7-9 41 Modoc Warner Range, ne Modoc County Warner Range 1828 Comment
  SFV3051  Plagiobothrys bracteatus I. L. Wiggins, D. B. Wiggins 1961-6-16 16522 Modoc Drying swale near Clover Swale Creek. 4.8 miles northeast of Canby. 1315 Comment
  CHSC100232  Plagiobothrys cognatus John Dittes; Josephine Guardino 1991-6-1 361 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. 1271 Comment
  RSA0113963  Plagiobothrys cusickii Lowell A. Ahart, John Dittes 2013-7-24 18920 Modoc North side of Ash Creek Floodplain, 0.54 mile (air) southeast of Pilot Butte Parking Area, 1.1 miles (air) south of County Road 87, 6.8 miles (air) west of Adin, Big Valley. 1263 Comment
  UC100870  Plagiobothrys cusickii Milo S. Baker Modoc Comment
  UC79362  Plagiobothrys cusickii Mrs. R. M. Austin Modoc Comment
  CHSC112760  Plagiobothrys hispidulus Lowell Ahart; John Dittes 2013-7-24 18921 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
  UC1228169  Plagiobothrys hispidulus Beecher Crampton 1960-6-17 5702 Modoc 13 mi. w. Canby (McKay Flat); McKay Flat 1280 Comment
  CAS-BOT-BC58793  Plagiobothrys leptocladus Alice Eastwood; John Thomas Howell 1940-6-13 8165 Modoc Surprise Valley, 6 mi. S of Fort Bidwell. Comment
  CAS-BOT-BC58794  Plagiobothrys leptocladus Alice Eastwood; John Thomas Howell 1940-6-13 8165 Modoc Surprise Valley, 6 mi. S of Fort Bidwell. Comment
  UC1191652  Plagiobothrys mollis Herbert L. Mason, Verne Grant 1947-7-12 13395 Modoc irrigation ditch by Jones' Lane (off Highway 395, several mi s of Alturas) Comment
  CAS-BOT-BC58795  Plagiobothrys mollis var. mollis Bruce Bartholomew; Barrett Anderson 1988-7-21 4421 Modoc S end of Whitehorse Flat Reservoir. 1340 Comment
  CAS-BOT-BC58798  Plagiobothrys mollis var. mollis Bruce Bartholomew; Barrett Anderson 1990-7-19 5401 Modoc Turner Creek at County Rd 90, N end of Big Valley, 6.4 km N of Lassen County border. 1230 Comment
  CAS-BOT-BC58799  Plagiobothrys mollis var. mollis John Thomas Howell 1934-6-15 12197 Modoc Dorris Reservoir, 2 mi. E of Alturas. Comment
  CHSC106335  Plagiobothrys mollis var. mollis Lowell Ahart; John Dittes 2010-8-30 17077 Modoc About 25 yards east of the fence, south edge of the meadow, Ash Creek State Wildlife Area, 2300 feet north of Lassen County line, 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  CAS-BOT-BC58796  Plagiobothrys mollis var. mollis Herbert Louis Mason; Verne Grant 1947-7-12 13407 Modoc W side of South Fork of Pit River Valley, SW of Alturas. Comment
  CAS-BOT-BC248342  Plagiobothrys nitens B. Bartholomew; H. Sun 2002-6-24 8825 Modoc S end of Sweagert flat ca. 15.3 straight line km WNW of Aden 1820 Comment
  RSA0020681  Plagiobothrys salsus R. B. Kelley 2005-6-26 883 Modoc Along SR 299. No specific locality data provided. Comment
  CAS-BOT-BC58737  Plagiobothrys scouleri John Thomas Howell 1934-6-15 12192 Modoc Dorris Reservoir, 2 mi. E of Alturas. Comment
  CAS-BOT-BC58743  Plagiobothrys scouleri Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-15 16510 Modoc 13 mi. W of Canby, along Hwy 139. Comment
  CAS-BOT-BC58744  Plagiobothrys scouleri John Thomas Howell 1934-6-15 12186 Modoc Alturas. Comment
  CAS-BOT-BC58745  Plagiobothrys scouleri Bruce Bartholomew; Barrett Anderson 1988-5-12 4098 Modoc White Horse. 1340 Comment
  CAS-BOT-BC58748  Plagiobothrys scouleri Herbert Louis Mason; Verne Grant 1947-7-12 13415 Modoc Pit River Valley, S of Alturas. Comment
  CAS-BOT-BC58755  Plagiobothrys scouleri Robert Folger Thorne; J. Henrickson; C. W. Tilforth 1969-9-4 39104 Modoc N Fork of Pit River 3.4 mi N of Alturas where crossed by Hwy 395. 1341 Comment
  CAS-BOT-BC58746  Plagiobothrys scouleri Alice Eastwood; John Thomas Howell 1940-6-12 8078 Modoc Between Likely and Jess Valley. Comment
  CAS-BOT-BC58759  Plagiobothrys scouleri Herbert Louis Mason; Verne Grant 1947-7-12 13408 Modoc W side of South Fork of Pit River Valley, SW of Alturas. Comment
  CAS-BOT-BC58761  Plagiobothrys scouleri Alice Eastwood; John Thomas Howell 1940-6-12 8082 Modoc Jess Valley. Comment
  HSC16837  Plantago lanceolata M. T. Milligan 1965-6-23 300 Modoc N end Jess Valley 1616 Comment
  UCR37817  Platanthera dilatata var. leucostachys O. Ballantyne 1983-7-18 s.n. Modoc Warner Mtn., Tributary of North Fork of East Creek 1585 Comment
  UC429330  Platanthera leucostachys M. F. Gilman 540 Modoc 1981 Comment
  UC4579  Platanthera sparsiflora Milo S. Baker 1893-7-18 Modoc Comment
  CAS-BOT-BC136651  Platanthera stricta Elmer I. Applegate 1932-7-7 8223 Modoc Field redacted by CAS, contact the data manager for more information Comment
  CAS-BOT-BC242209  Platanthera stricta Bruce Bartholomew 1994-7-2 6823 Modoc Field redacted by CAS, contact the data manager for more information 1910 Comment
  CAS-BOT-BC242210  Platanthera stricta Leland S. Smith 1918-6-22 943 Modoc Field redacted by CAS, contact the data manager for more information 2286 Comment
  SEINET5102917  Platanthera stricta Unknown Modoc Comment
  POM68546  Plectritis congesta subsp. brachystemon R. M. Austin 1895-05 415 Modoc Goose Lake. Comment
  CAS-BOT-BC245401  Plectritis macrocera F. Angwin 1946-5-3 s.n. Modoc Big Valley, 2 miles NW of Adin. 1280 Comment
  CAS-BOT-BC245406  Plectritis macrocera Bruce Bartholomew; Barrett Anderson 1989-6-2 4799 Modoc 6.4 km E of Fort Bidwell on road to Fee Reservoir, NE corner of Surprise Valley. 1460 Comment
  POM319399  Plectritis macrocera Patricia Wilder 1971-6-20 5078 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
  UC28851  Plectritis macrocera Milo S. Baker Jun 15 1893-Jul 6 1893 Modoc California 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
  UC71610  Pleiacanthus spinosus Mrs. M. H. Manning 1894-3 258 Modoc Mt. Bidwell, ne Modoc County Mt. Bidwell Comment
  UC1037186  Poa X fibrata Leo Whitney 1935-7-23 3570 Modoc 15 mi w Canby (Happy Camp, <USEE> Plot); Modoc Nat'l Forest 1463 Comment
  CAS-BOT-BC247576  Poa X limosa Dean William Taylor; R. Palmer; William B. Davilla 1987-6-23 9047 Modoc Crank Springs. 1432 Comment
  HSC10656  Poa bulbosa M. T. Milligan 1964-6-20 74 Modoc Old Rodeo Grounds, Alturas. 1372 Comment
  CDA2393  Poa compressa T. C. Fuller 1963-8-26 11172 a Modoc West side of Hwy 395 to Lakeview, Ore., 1 mile north of Davis Creek. 0 Comment
  CHSC85107  Poa compressa John Dittes; Josephine Guardino 1991-7-21 440 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
  SJSU9622  Poa cusickii subsp. cusickii W. Savage 1979-7-7 1431 Modoc Triangle, Fairchild Swamp Unit, Devils Garden District, Modoc National Forest 1493 Comment
  HSC80837  Poa cusickii subsp. epilis G. M. Riegel 1979-7-28 618 Modoc South Warner Mtn. 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
  UCD91792  Poa palustris Beecher Crampton 1954-7-7 2159 Modoc 2.5 miles east of Alturas, near radio station KCNO. Comment
  UCD91824  Poa pratensis A. A. Beetle 1941-6-29 2822 Modoc 15 miles east of Alturas, road to Cedarville Pass. 1371 Comment
  CAS-BOT-BC247610  Poa pratensis subsp. pratensis Bruce Bartholomew; Barrett Anderson 1990-7-21 5580 Modoc Homestead Flat, ca. 2.5 km E of Patterson Ranger Station, E side of Warner Mts. 2160 Comment
  CAS-BOT-BC255023  Poa secunda Roxana S. Ferris; Laura Lorraine 1941-8-14 10582 Modoc 3 miles from Patterson Ranger Station on road to Eagleville, Warner Mountains, Modoc National Forest Comment
  POM203053  Poa secunda J. T. Howell 1943-7-1 12340 Modoc Duncan Horse Camp Comment
  UC1025066  Poa secunda subsp. juncifolia Leo Whitney 1935-7-21 3551 Modoc 15 mi w Canby (Happy Camp); Modoc Nat'l Forest 1463 Comment
  UCD32737  Poa secunda subsp. juncifolia Beecher Crampton 1954-7-8 2190 Modoc 3 miles W of Alturas, along US Hwy 299. Comment
  UCD92437  Poa secunda subsp. juncifolia E. Wilson 1935-5-14 s.n. Modoc W side of pass toward Alturas. Comment
  SEINET7855105  Poa secunda subsp. juncifolia I. Tidestrom 1910-6-25 3634 Modoc Modoc NF, Sibley Draw. Comment
  CAS-BOT-BC247605  Poa secunda subsp. secunda John Thomas Howell 1934-7-1 12343 Modoc Duncan Horse Camp. 1355 Comment
  CAS-BOT-BC247609  Poa secunda subsp. secunda John Thomas Howell 1934-7-1 12340 Modoc Duncan Horse Camp. 1355 Comment
  CAS-BOT-BC247672  Poa secunda subsp. secunda Bruce Bartholomew; Barrett Anderson 1988-5-12 4120 Modoc S side of Egg Lake, ca. 1.5 km W of the Burlington Northern railroad track. 1300 Comment
  CAS-BOT-BC247673  Poa secunda subsp. secunda Bruce Bartholomew; Barrett Anderson 1989-6-2 4791 Modoc Long Canyon, 12 km NE of Fort Bidwell on the road to the Oregon border. 1550 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
  UC1024858  Poa secunda subsp. secunda Leo Whitney 1935-6-1 3174 Modoc meadow 1 mi s White Horse Comment
  UC70658  Poa secunda subsp. secunda Mrs. M. H. Manning May 1904 425 Modoc ne Modoc County Comment
  CAS-BOT-BC252521  Poa wheeleri Bruce Bartholomew; Barrett Anderson 1990-7-20 5544 Modoc N edge of Howard Flat, W side of Warner Mts. 2000 Comment
  CAS-BOT-BC179348  Pogogyne floribunda Bruce Bartholomew 1995-6-24 7019 Modoc 24.8 km E of County Road 114 on County Road 108, N of Clear Lake Reservoir. 1360 Comment
  CHSC67518  Pogogyne floribunda J. D. Jokerst 1987-6-23 2931 Modoc Modoc National Forest, Devils Garden Ranger District (south of Clear lake). Small lake several hundred meters S of Doublehead Lake. Comment
  UCD125312  Pogogyne floribunda Herbert L. Mason 1947-8-9 13474 Modoc on east side of Fairchild Swamp, north of Alturas. Comment
  CAS-BOT-BC248382  Pogogyne serpylloides Louis C. Wheeler 1935-8-25 3915 Modoc Modoc National Forest. Rim Rock Valley, Devil's Garden 1524 Comment
  NY963446  Polemonium micranthum B. M. Bartholomew 1993-5-10 6474 Modoc 1.9 km northeast of Fee Reservoir Road on Barrel Spirng Road, north end of Surprise Valley 1670 Comment
  CAS-BOT-BC58324  Polyctenium fremontii var. fremontii Alice Eastwood; John Thomas Howell 1940-6-15 8275 Modoc Near Perez. Comment
  RSA0114934  Polygonum Lowell Ahart, John Dittes 2013-7-24 18911 Modoc On the south side of a levee road, north side of Ash Creek Floodplain, 0.54 mile (air) southeast of Pilot Butte Parking Area, 1.1 miles (air) south of County Road 87, 6.8 miles (air) west of Adin, Big Valley. 1263 Comment
  UC1536796  Polygonum amphibium var. stipulaceum Gordon H. True Jr. 1939-7-21 1040 Modoc Jacks Swamp Comment
Read comments
May 24 2006
  CAS-BOT-BC218107  Polygonum aviculare Herbert Louis Mason; Verne Grant 1947-7-18 8043 Modoc Eastside Canal, 5 mi N of Bayley's bridge, S of Alturas. Comment
  OBI70870  Polygonum aviculare Louis C. Wheeler 1935-8-26 3922 Modoc Modoc Plateau: 1 mi NW of Mud lake, Devil's Garden 1524 Comment
  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
  UC1576762  Polygonum aviculare subsp. buxiforme Dean Wm. Taylor with Glenn L. Clifton 1989-8-6 10486 Modoc Snake Lake Warner Mountains (bed) 1569 Comment
  OBI70638  Polygonum aviculare subsp. depressum Louis C. Wheeler 1973-8-23 s.n. Modoc Alturas Comment
  POM229191  Polygonum convolvulus Louis C. Wheeler 1935-8-6 3799 Modoc Mouth Pine Creek, Warner Mountains. 1509 Comment
  CAS-BOT-BC218128  Polygonum douglasii Bruce Bartholomew; Barrett Anderson 1989-6-2 4780 Modoc Top of Fandango pass, Warner Mountains. 1870 Comment
  CAS-BOT-BC218131  Polygonum douglasii Bruce Bartholomew; Barrett Anderson 1988-6-25 4398 Modoc Ryan Canyon, N of Adin. 1390 Comment
  CAS-BOT-BC218136  Polygonum douglasii John Thomas Howell 1934-6-30 12276 Modoc Duncan Horse Camp. 1355 Comment
  CAS-BOT-BC218141  Polygonum douglasii John Thomas Howell 1934-6-30 12276 Modoc Duncan Horse Camp. 1355 Comment
  CHSC112815  Polygonum douglasii Lowell Ahart; John Dittes 2013-7-25 18964 Modoc 30 yards north of the east-west fence, south edge of Ash Creek Floodplain, northeast of Patterson Homestead, east of Elkins Lane, 1.0 mile (air) south of County Road 87, 3.14 miles (air) west of Adin, Big Valley. 1267 Comment
  RSA518871  Polygonum douglasii Barbara J. Ertter 1988-6-18 7615 Modoc Hwy 139, 50 airmiles SW of Klamath Falls, a few miles N of Agric. Inspection Station, 1 mile S of jct to Lava Beds Nat'l Monument E of Tonesta. 1311 Comment
  UC1179039  Polygonum douglasii subsp. douglasii F. H. Frost 1925-7-24 106 Modoc Jess Valley Warner Mts. Comment
  UC6695  Polygonum douglasii subsp. douglasii Milo S. Baker 1893-6-20 Modoc Egg Lake Comment
  RSA0005196  Polygonum esotericum Louis C. Wheeler 1935-8-25 3918 Modoc Devil's Garden: Rimrock Valley Reservoir. 1524 Comment
  CAS-BOT-BC218161  Polygonum polygaloides Bruce Bartholomew 1991-7-5 5935 Modoc Cow Head Tank, ca. 6 km NW of Dorris Brothers Reservoir. 1520 Comment
  CAS-BOT-BC218166  Polygonum polygaloides Bruce Bartholomew 1991-7-4 5892 Modoc S end of Higgins Flat. 1370 Comment
  CAS-BOT-BC218170  Polygonum polygaloides subsp. confertiflorum Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-15 16514 Modoc 13 mi. E of Canby, along Calif. St. Highway 139. Comment
  UC402685  Polygonum polygaloides subsp. confertiflorum Milo S. Baker 1893-1 Modoc Egg Lake Comment
  UCD77952  Polygonum polygaloides subsp. confertiflorum Robert E. Preston 2000-6-1 1357 Modoc Modoc Plateau, along Hwy 139, ca. 2 mi e of Forest Service Road, 44N11. 1487 Comment
  RSA638221  Polygonum polygaloides subsp. confertiflorum Louis C. Wheeler 1973-8-22 s.n. Modoc Devils Garden: Ca. 1/4 mile southwest of Big Sage Reservoir. Comment
  UC1060639  Polygonum polygaloides subsp. confertiflorum Herbert L. Mason 1957-7-6 14724 Modoc vernal pool near Plum Creek Camp Ground Comment
  UC6711  Polygonum polygaloides subsp. confertiflorum Mrs. R. M. Austin June, 1894 Modoc lava beds w Willow Creek Comment
Read comments
Jul 6 2010
  UCD77953  Polygonum polygaloides subsp. confertiflorum Robert E. Preston 2000-7-18 1413 Modoc Ca. 15 mi nw of Canby, on n side of Hwy 139, 1.25 mi w of Forest Service Rd 44N11. 1467 Comment
  CAS-BOT-BC218181  Polygonum polygaloides subsp. esotericum Alice Eastwood; John Thomas Howell 1940-6-14 8209 Modoc 8 mi. NW of Canby. Comment
  CAS-BOT-BC6535  Polygonum polygaloides subsp. esotericum Louis Cutter Wheeler 1935-8-25 3918 Modoc Rim Rock Valley Reservoir, Devils Garden 1524 Comment
  CHSC67589  Polygonum polygaloides subsp. esotericum James D. Jokerst 1987-7-17 2953 Modoc Hwy. 139 NW of Canby, 300 m N of the highway at the SE edge of a large dry lake on a dry barren mudflat near the concrete overflow weir. Comment
  CHSC81399  Polygonum polygaloides subsp. esotericum R. E. Preston 2000-7-18 1417 Modoc Ca. 11 mi nw of Canby, 1,000 ft n of Hwy 139. 1487 Comment
  UCR101769  Polygonum polygaloides subsp. esotericum L. C. Wheeler 1935-8-25 3919 Modoc Devil's Garden; Rimrock Valley Reservoir 1524 Comment
  CAS-BOT-BC218186  Polygonum polygaloides subsp. kelloggii John Thomas Howell 1934-6-12 12033 Modoc Plum Valley, Warner Mts. Comment
  OBI48886  Polygonum polygaloides subsp. kelloggii Lewis S. Rose 1940-6-14 40494 Modoc 8 mi NW of Canby 1524 Comment
  JEPS50546  Polygonum polygaloides subsp. kelloggii Leland S. Smith 1260 Modoc High Grade District Warner Mts., Modoc National Forest 2316 Comment
  JEPS127305  Polygonum ramosissimum subsp. prolificum Lowell Ahart, John Dittes 2016-7-14 21191 Modoc South of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin Big Valley. Comment
  UC1075752  Polygonum sawatchense subsp. sawatchense Robert J. Weatherby 1955-7-7 1608 Modoc 7 mi n Ft. Bidwell 1874 Comment
  CAS-BOT-BC218146  Polygonum spergulariiforme John Thomas Howell 1934-7-1 12326 Modoc Duncan Horse Camp. 1355 Comment
  CAS-BOT-BC218151  Polygonum spergulariiforme Bruce Bartholomew; Barrett Anderson 1990-7-19 5397 Modoc Turner Creek at County Rd 90, N end of Big Valley, 6.4 km N of Lassen County border. 1230 Comment
  CDA22795  Polygonum spergulariiforme G. D. Barbe 1991-8-28 4445 Modoc Kelley Spring, 3.4 miles (5.5 km) from Highway 299 at Rush Creek, on Primary Forest Service Road 22 and Road 40N33, Modoc National Forest. Comment
  CAS-BOT-BC252509  Polypogon monspeliensis Bruce Bartholomew 1989-8-10 5032 Modoc Little Hot Spring Valley, 3.2 km NW of Day. 1070 Comment
  JEPS89823  Polystichum scopulinum Dean Wm. Taylor with Glenn Clifton 1990-6-25 11163 Modoc n. slopes Peak 7298 (Cedar Pass); Warner Mts., Davis Creek 15' USGS map, Cedar Pass 2148 Comment
  UC1542926  Populus tremuloides G. Schoolcraft 1987-10-28 1781 Modoc about 1 mi e ski area (Warner Mts.); Warner Mts. 1767 Comment
  CAS-BOT-BC225108  Populus trichocarpa Elmer Ivan Applegate 1932-7-6 8207 Modoc Bidwell Creek, above Ft. Bidwell, Warner Mts. Comment
  CAS-BOT-BC95153  Porterella carnosula Leland S. Smith 1920-5-17 1146 B Modoc Gravens. 1402 Comment
  CAS-BOT-BC267120  Potamogeton Milo S. Baker 1999-8-5 3660 b Modoc Fall River near [unreadable] Comment
  UCD138227  Potamogeton epihydrus Verne Grant; Irving Schneider 1947-7-21 8127 Modoc North Fork of Pit River by bridge on Highway 395, north of Alturas. Comment
  RSA210807  Potamogeton foliosus Robert F. Thorne, J. Henrickson, C. W. Tilforth 1969-9-4 39095 Modoc N Fork of Pit River 3.4 mi N of Alturas where crossed by Highway 395. 1341 Comment
  UCD138231  Potamogeton foliosus Verne Grant; Irving Schneider 1947-7-29 8178 Modoc Fitzhugh Creek, near Payne Reservoir, south of Alturas. Comment
  POM313006  Potamogeton nodosus Verne Grant, Irving Schneider 1947-7-21 8124 Modoc N Fork of Pit River by bridge on Hwy 395, N of Alturas. Comment
  UC1100065  Potamogeton nodosus Verne Grant, Irving Schneider 1947-7-21 8111 Modoc North Fork of Pit River (1/4 mi mi upstream from confluence with South Fork, by Alturas) Comment
  UC1100082  Potamogeton pectinatus Verne Grant, Irving Schneider 1947-7-19 8085 Modoc n of Likely (s of Williams ranch house) Comment
  UCR20439  Potamogeton pusillus Milo S. Baker 1899-8-24 s.n. Modoc Carmichaels Mill, Big Valley 1264 Comment
  CAS-BOT-BC242272  Potamogeton richardsonii Robert Folger Thorne; et al 1969-9-4 39128 Modoc N Fork of Pit River 3.4 mi. N of Alturas where crossed by Hwy 395. 1341 Comment
  CAS-BOT-BC242273  Potamogeton richardsonii Milo Samuel Baker 1899-8-24 s.n. Modoc Pit River, at Lookout. Comment
  RSA210803  Potamogeton richardsonii Robert F. Thorne, J. Henrickson, C. W. Tilforth 1969-9-4 39128 Modoc N Fork of Pit River 3.4 mi N of Alturas where crossed by Highway 395. 1341 Comment
  UC441353  Potamogeton striatus Milo S. Baker 1899-8-24 Modoc Pit R. at Lookout Comment
  UC1100090  Potamogeton zosteriformis Herbert L. Mason 1947-8-12 13515 Modoc near Alturas (s of Opahwash Butte); Pit River Comment
  UCR270962  Potentilla John F. Emmel 2000-8-3 1682 Modoc Modoc Plateau, north end of the Warner Mountains, slope and meadow 0.6 air mile ESE of Moonlight Mines, on NW flank of Mt. Bidwell 2470 Comment
  CHSC116072  Potentilla biennis Lowell Ahart; John Dittes 2015-7-16 20373 -A Modoc South edge of Ash Creek (destroyed), southeast of the gravel pit (destroyed), about 1/8 mile east of the parking area on the east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  CAS-BOT-BC214745  Potentilla breweri Annie Montague Alexander; L. Kellogg 1946-8-3 5108 Modoc Head of Eagle Creek, Warner Mts. Comment
  UC748057  Potentilla breweri Annie M. Alexander and Louise Kellogg 1946-8-3 5108 Modoc head of Eagle Creek Warner Mountains, Eagle Creek Comment
  CAS-BOT-BC214739  Potentilla drummondii Bruce Bartholomew; Barrett Anderson 1988-7-23 4568 Modoc Dismal Swamp, Warner Mts.. 2180 Comment
  RSA164422  Potentilla glandulosa subsp. ashlandica Clare B. Hardham 1961-6-20 7881 Modoc Mt. Bidwell Dismal Swamp road 2439 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-BC214789  Potentilla gracilis Annie Montague Alexander; L. Kellogg 1946-6-20 4810 A Modoc Field below Eagleville 1440 Comment
  CHSC70769  Potentilla gracilis var. fastigiata A. Sanger 1997-6-11 2512 Modoc Meadow on the east side of road 44N69. Warner Mountain Ranger District. 1981 Comment
  UC545656  Potentilla gracilis var. fastigiata John Thomas Howell 1934-6-12 12029 Modoc Plum Valley Warner Mts., Plum Valley Comment
  CAS-BOT-BC214799  Potentilla newberryi Leo David Whitney 1935-7-29 3595 Modoc Near W end of Clear Lake. Comment
  RSA695395  Potentilla newberryi Steve Edwards 2002-7-14 s.n. Modoc Devil's Garden, east end of Big Sage Reservoir dam Comment
  UC860749  Potentilla newberryi Leo Whitney 1934-5-20 3031 Modoc near Clear Lake (bank of Lost River, Northern Modoc County); near Clear Lake, Bank of Lost River 1463 Comment
  JEPS127291  Potentilla rivalis Lowell Ahart, John Dittes 2016-7-14 21196 Modoc South of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin Big Valley. Comment
  RSA504650  Prunus emarginata Bruce Bartholomew 1988-7-23 4600 Modoc Pine Creek, 1km E of U.S. Hwy. 395 on the road to Lily Lake, Warner Mountains. 1550 Comment
  UC12743  Prunus emarginata Mrs. R. M. Austin and Bruce June 1892 2344 Modoc Goose Lake Valley Comment
  UC748477  Prunus emarginata Annie M. Alexander and Louise Kellogg 1946-6-8 4705 Modoc road to Patterson Mill from Eagleville (e slope of Warner Mountains); Warner Mountains 2194 Comment
  CAS-BOT-BC214825  Prunus subcordata John Thomas Howell 1934-6-12 12012 Modoc Between Davis Creek and Plum Valley. Comment
  CAS-BOT-BC225001  Prunus subcordata Bruce Bartholomew; Barrett Anderson 1988-5-14 4192 Modoc 7 km S of turn off to Crowder Flats along West Side Road, W side of Goose Lake. 1410 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
  NY849337  Prunus subcordata N. H. Holmgren 1998-5-30 12994 Modoc Surprise Valley, Fort Bidwell-Cedarville road, 1.8 km (1.1 mi) south of the Fandango Pass road and 31.2 km (19.4 mi) north of downtown Cedarville 1370 Comment
  CAS-BOT-BC225006  Prunus virginiana var. demissa P. Monnet 1913-7-7 873 Modoc Warner's Range. 2438 Comment
  CAS-BOT-BC225014  Prunus virginiana var. demissa Roxana Stinchfield Ferris; R. Duthie 1919-6-14 129 Modoc Parker Creek below Modoc Nat. Forest Boundary. Comment
  CHSC100358  Prunus virginiana var. demissa Lowell Ahart; John Dittes 2008-8-25 15301 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
  JEPS114909  Prunus virginiana var. demissa Lowell Ahart, John Dittes 2008-8-26 15338 Modoc Southeast side of Rose Creek, 750 feet southwest of confluence of Rose Creek and Pit River, on the northwest side of unnamed road,, 2660 feet east of intersection with County Road 85a, 9.3 miles (air) north-northeast of Lookout 1276 Comment
  JEPS44906  Prunus virginiana var. demissa L. S. Smith 1919-6-2 1113 Modoc w of Cedarville (Warner Mountains, Deep Creek); Warner Mountains, Deep Creek Comment
  RSA451461  Prunus virginiana var. demissa Christopher Davidson 1973-5-26 2135 Modoc ca. 4 miles W of Canby on Hwy 299. 1341 Comment
  UC71952  Prunus virginiana var. demissa Milo S. Baker 1893-1 Modoc Forestdale Comment
  SBBG423  Pseudoroegneria spicata A. A. Beetle 1941-6-29 2828 Modoc near summit of Cedar (Cedarville) Pass 2118 Comment
  UCD91505  Pseudoroegneria spicata Beecher Crampton; Carl Rimbey 1954-7-8 2183 Modoc west slope of Jess Valley, Warner Mountains, 15 miles east of Likely. Comment
  UCD91512  Pseudoroegneria spicata August L. Hormay 1932-7-15 s.n. Modoc Modoc National Forest, Crowder Ranger Station. Comment
  JEPS73939  Pseudoroegneria spicata subsp. spicata Frances D. Payne 1932-6-27 648 Modoc s and e of Alturas (Warner Mountains, Parker Creek); Warner Mountains, Parker Creek 1584 Comment
  UC1024990  Pseudoroegneria spicata subsp. spicata Leo Whitney 1935-7-7 3398 Modoc 4 mi nw of Canby (Howard Gulch); Howard Gulch Comment
  UC1025002  Pseudoroegneria spicata subsp. spicata Leo Whitney 1935-7-11 3460 Modoc 15 mi nw of Canby (Modoc National Forest, Hackamore); Modoc National Forest, Hackamore 1463 Comment
  UC1140904  Pseudoroegneria spicata subsp. spicata L. D. Whitney 1935-7-6 3432 Modoc near Lookout (Pit River, Stone Coal Valley); Pit River, Stone Coal Valley Comment
  UC188857  Pseudoroegneria spicata subsp. spicata Milo S. Baker Modoc near Forestdale Comment
  CAS-BOT-BC95221  Pseudostellaria jamesiana Annie Montague Alexander; L. Kellogg 1946-6-12 4899 Modoc Bidwell Creek Canyon, 7 mi. W of Fort Bidwell. 1444 Comment
  RSA27379  Pseudostellaria jamesiana C. L. Hitchcock 1940-5-27 6679 Modoc 15 miles northeast of Alturas. 1616 Comment
  SD149209  Pseudotsuga menziesii B. Bartholomew 1992-5-14 6273 Modoc Northeast side of White Horse Mountains, southwest of White Horse Flat Reservoir. 1399 Comment
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Dec 3 2007
  UCD135274  Psilocarphus brevissimus Herbert L. Mason; Verne Grant 1947-7-10 13328 Modoc Dorris Reservoir, 2 miles east of Alturas. Comment
  CAS-BOT-BC50379  Psilocarphus brevissimus var. brevissimus John Thomas Howell 1934-7-2 12361 Modoc Near mouth of Willow Creek, NE side of Clear Lake. Comment
  CHSC118067  Psilocarphus brevissimus var. brevissimus L. P. Janeway 2017-5-16 11977 Modoc Modoc Plateau. Devils Garden area; along Road 47N07 1.8 road-km south of Road 181/73/47N09. 1573 Comment
  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
  CAS-BOT-BC252548  Puccinellia lemmonii Arnold Tiehm; et al 1984-6-1 8799 Modoc Surprise Valley, E side of Middle Alkali Lake E of Cedarville. 1356 Comment
  CDA42958  Puccinellia lemmonii L. Ahart, John Dittes, Todd Sloat 2013-6-8 18763 Modoc About 300 yards northeast of the Parking Area, northeast of the old barn, Ash Creek State Wildlife Area, about 3.9 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. Comment
  UCD91885  Puccinellia lemmonii Beecher Crampton 1954-7-8 2189 Modoc Modoc County, 1.5 miles west of Altura, extension of 4th Street. Comment
  CAS-BOT-BC218234  Purshia tridentata var. tridentata Bruce Bartholomew; Barrett Anderson 1988-7-21 4447 Modoc Dry hillside, SW side of Jess Valley, Warner Mts.. 1540 Comment
  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
  JEPS58847  Pyrola aphylla Frances D. Payne 1935-7-19 798 Modoc Dry Creek, tributary of Parker Creek, Warner Mountains, south and east of Alturas Comment
  SEINET195663  Pyrola picta Unknown 1946-7-4 5068 Modoc Trail to Emerson Camp, Bear Camp Flat, Warner Mountains Comment
  UC412674  Pyrola picta Franklin P. Nutting 1920-8-1 Modoc near Forestdale (Big Valley Mountains); Big Valley Mountains Comment
  UC412728  Pyrola picta Milo S. Baker 1898-7-1 536 Modoc Forestdale Comment
  SJSU9693  Pyrola picta W. Savage 1979-7-20 1550 Modoc Oregon Rim Unit, Devils Garden District, 0.5 mi S of Oregon state line, Modoc National Forest 1645 Comment
  CAS-BOT-BC50397  Pyrrocoma carthamoides var. cusickii Louis Cutter Wheeler 1935-8-12 3827 Modoc Cotonwood Creek, Warner Mts. 1676 Comment
  SJSU9381  Pyrrocoma carthamoides var. cusickii W. Savage 1979-7-3 1295 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  UCR163908  Pyrrocoma carthamoides var. cusickii Jim Andre 1993-6-30 1403 Modoc Modoc Plateau, about 10 miles NW of Canby on Hwy 139, near NW end of Oak Ridge 1494 Comment
  CAS-BOT-BC50357  Pyrrocoma lanceolata var. subviscosa Harvey Monroe Hall 1925-8-30 12212 Modoc 19 mi. S of Alturas on Hwy 395, at N edge of Likely. Comment
  POM166750  Quercus kelloggii Milo S. Baker 1893-7-10 s.n. Modoc Mountain side. Comment
  CAS-BOT-BC50362  Raillardella argentea Elmer Ivan Applegate 1932-8-1 8013 Modoc High rocky crest of Warner Mts. S of Warren Peak. Comment
  JEPS37257  Raillardella argentea W. L. Jepson 1918-8-13 7964 Modoc Eagle Peak Warner Mts. 3017 Comment
  JEPS5955  Raillardella argentea Frances D. Payne 1929-7-26 132 Modoc Warren Peak Warner Mountains 2743 Comment
  JEPS55043  Ranunculus andersonii Leland S. Smith c. 1918 795 1/2 Modoc Jess Valley Comment
  JEPS60659  Ranunculus aquatilis var. capillaceus Frances D. Payne 1929-7-26 124 Modoc 2 mi sw Warren Mt. (se Modoc Co., pond outlet); Pine Creek Basin 2133 Comment
  UC827625  Ranunculus aquatilis var. capillaceus C. L. Hitchcock 1940-5-28 6721 Modoc 15 mi n Alturas (near Surprise) 1402 Comment
  UC9367  Ranunculus aquatilis var. capillaceus M. S. Baker and Frank Nutting 1894-6-4 Modoc Little Hot Spring Valley Comment
  CHSC99772  Ranunculus aquatilis var. diffusus Lowell Ahart; John Dittes 2008-6-22 15040 Modoc In shallow water, along a natural drainage, about 150 yards north of the road levee, in Big Valley, about 2.1 miles (air) northeast of the Headquarters at Ash Creek State Wildlife Area, about 5.0 miles (air) northeast of Bieber. 1262 Comment
  RSA125296  Ranunculus aquatilis var. hispidulus Peter H. Raven 1958-6-18 13324 Modoc Small lake at eastern outskirts of lookout Post Office. Comment
  CAS-BOT-BC217229  Ranunculus cymbalaria Bruce Bartholomew 1995-6-3 6949 Modoc Just S of the Oregon border at the shore of Goose lake. 1400 Comment
  UC1101382  Ranunculus cymbalaria var. saximontanus Herbert L. Mason and Verne Grant 1947-7-12 13392 Modoc irrigation ditch by Jones' Lane (off Hwy 395, several mi s of Alturas) Comment
  UC480943  Ranunculus cymbalaria var. saximontanus Mrs. R. M. Austin July 1894 258 Modoc swamp near Goose Lake Comment
  UC1191128  Ranunculus glaberrimus William P. Dasmann 1947-4-19 32 Modoc Saddle Blanket Flat area 1371 Comment
  CAS-BOT-BC217206  Ranunculus glaberrimus var. glaberrimus Bruce Bartholomew 1993-4-4 6412 Modoc Barrel Spring Road, W of Big Mud Lake and S of Cow Head Lake. 1740 Comment
  HSC18213  Ranunculus glaberrimus var. glaberrimus M. T. Milligan 1964-3-29 Modoc 5 mi. W of Alturas on Centerville Rd. 1372 Comment
  CAS-BOT-BC217183  Ranunculus occidentalis Arnold Tiehm 1984-6-30 8832 Modoc N edge of Annie on W side of Bidwell Mt., NE of Fort Bidwell. 1530 Comment
  CAS-BOT-BC217225  Ranunculus occidentalis Alice Eastwood; John Thomas Howell 1940-6-15 8283 Modoc Near Happy Camp Ranger Station. Comment
  CHSC70477  Ranunculus occidentalis S. Stearns 1997-5-13 2240 Modoc W. side of Little Willow Ck., Devil's Garden. 1540 Comment
  CAS-BOT-BC217214  Ranunculus occidentalis var. occidentalis Margaret J. Williams 1984-6-30 84- 80 -8 Modoc 6.8 mi. W of Cedarville-Gerlach road. 1981 Comment
  HSC18156  Ranunculus occidentalis var. occidentalis M. T. Milligan 1965-6-23 290 Modoc N end Jess Valley 1616 Comment
  HSC18161  Ranunculus occidentalis var. occidentalis M. T. Milligan 1966-5-14 618 Modoc Plateau W of Jess Valley 1829 Comment
  CAS-BOT-BC217182  Ranunculus occidentalis var. ultramontanus Alice Eastwood; John Thomas Howell 1940-6-12 8034 Modoc Likely. Comment
  RSA8216  Ranunculus oxynotus Elmer I. Applegate 1932-8-3 8133 Modoc E slope of Eagle Peak, near summit, Warner Mts. 2744 Comment
  POM269753  Ranunculus sceleratus var. multifidus Louis C. Wheeler 1935-8-3 3762 Modoc Warner Mountains: Pine Creek. 1738 Comment
  CAS-BOT-BC217152  Ranunculus testiculatus James Vale 1978-5-1 s.n. Modoc At Pit River bridge on road from Adin to Canby. Comment
  CAS-BOT-BC217153  Ranunculus testiculatus Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-13 6542 Modoc 8 km E of Likely along S Fork of Pit River. 1380 Comment
  CHSC112369  Ranunculus testiculatus L. P. Janeway; B. Castro 2014-6-2 11293 Modoc Great Basin. Along Road 5 1.0 km west of the southwest corner of Cow Head Lake. 1627 Comment
  CAS-BOT-BC217162  Ranunculus uncinatus Bruce Bartholomew 1992-5-16 6325 Modoc Lunsford Spring. 1600 Comment
  CAS-BOT-BC217163  Ranunculus uncinatus Bruce Bartholomew 1991-8-6 6092 Modoc S Emerson Trail at stream between S Fork of Emerson Creek and Bearcamp Trail, Warner Mts. 2130 Comment
  RSA78890  Rhamnus rubra E. K. Balls, Percy C. Everett 1952-10-11 18156 Modoc 0.3 miles SE of crest of Fandango Pass, Warner Mts. 1829 Comment
  UC73374  Rhamnus rubra Milo S. Baker 1898-1 Modoc Forestdale Comment
  CAS-BOT-BC6201  Rhamnus rubra subsp. modocensis Elmer Ivan Applegate 1897-5-31 863 Modoc 7 mi. SE of Dry Lake. Comment
  JEPS114532  Rhaponticum repens Lowell Ahart, John Dittes 2008-8-25 15309 Modoc On the east bank (flood plain) of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout 1273 Comment
  UCD102110  Ribes aureum Verne Grant; Irving Schneider 1947-7-22 8157 Modoc at headwaters of North Fork of Pit River, one mile northwest of Highway 395, on dirt road leading to south end of Goose Lake. Comment
  CAS-BOT-BC225877  Ribes cereum Roxana Stinchfield Ferris; R. Duthie 1919-6-15 89 Modoc Parker Creek near Modoc Nat. Forest Boundary. Comment
  RSA504591  Ribes cereum Bruce Bartholomew, B. Anderson 1988-6-24 4297 Modoc Road beyond Poison Lake, ca. 8 km S of the road from Hwy 395 to Lily Lake, Warner Mountains. 2130 Comment
  SD46560  Ribes cereum Robert J. Weatherby 1955-7-7 1606 Modoc Red Fir Forest. 7 mi. north of Ft. Bidwell. 1890 Comment
  UC1127418  Ribes cereum R. C. Wilson 1933-7-7 59 Modoc 3 mi nw Scheffer Mountain; Canby Quadrangle Comment
  RSA59647  Ribes cereum E. K. Balls 1950-5-12 14644 Modoc Above Bucks Creek Ranger Station, Modoc National Forest, east of Goose Lake. 1738 Comment
  CAS-BOT-BC225908  Ribes montigenum Annie Montague Alexander; L. Kellogg 1946-6-25 4822 Modoc Dismal Swamp, N end of Warner Mts. 2255 Comment
  NY455307  Ribes montigenum B. M. Bartholomew 1988-6-24 4293 Modoc Road beyond Poison Lake, ca. 8 km south of the road from US Highway 395 to Lily Lake, Warner Mountains 2130 Comment
  SEINET195470 Image available Ribes montigenum Annie M. Alexander, L Kellogg 1946-6-25 4822 Modoc North end of the Warner Mountains Dismal Swamp 2256 Comment
  UC1523789  Ribes roezlii Lisa Janio 1981-7-9 Modoc n Adin 1402 Comment
  CAS-BOT-BC423  Ribes velutinum R. M. Austin 1884-6-1 27 Modoc unspecified Comment
  JEPS49260  Ribes velutinum Franklin P. Nutting 1894-6-10 Modoc Forestdale Comment
  CAS-BOT-BC225935  Ribes viscosissimum Annie Montague Alexander; L. Kellogg 1946-7-1 4894 Modoc One-half mile S of Dismal Swamp, N end of Warner Mts. 2255 Comment
  CAS-BOT-BC225939  Ribes viscosissimum Francis Dorris Payne 1929-7-7 50 Modoc Pine Creek Basin. 2133 Comment
  CAS-BOT-BC225945  Ribes viscosissimum A. D. Borden 1911-6-15 Modoc Davis Creek. Comment
  CAS-BOT-BC225949  Ribes viscosissimum K. Paulson; Robert Paulson 1989-6-21 145 Modoc Pine Creek Basin, W side of the Warner Mts. 2109 Comment
  RSA0020905  Ribes viscosissimum K. Paulson, R. Paulson 1989-6-21 145 Modoc Pine Creek Basin, W side of the Warner Mountains. 2110 Comment
  SEINET2149922  Ribes viscosissimum var. viscosissimum K. T. Harper 1974-1 132 Modoc Warner Mountains, Mt. Bidwell road. 2134 Comment
  CAS-BOT-BC50375  Rigiopappus leptocladus Bruce Bartholomew; Barrett Anderson 1989-6-1 4746 Modoc ca. 0.5 km S of State Hwy 299 on road to Shaker Spring. 1420 Comment
  RSA152612  Rigiopappus leptocladus I. L. Wiggins, Dorothy Wiggins 1961-6-12 16373 Modoc At junction of Cedar Pass road with California Highway 299, 5.5 miles N of Alturas. Comment
  OBI5247  Rorippa austriaca T. C. Fuller 1958-7-8 1972 Modoc Corporation Ranch, near Likely Comment
  UCD115244  Rorippa austriaca Robbins; Raynor 1943-6-1 s.n. Modoc Corporation Ranch in Likely. Comment
  CHSC74971  Rorippa columbiae Sheryl Gill 1996-9-3 Modoc At the Tule Lake National Wildlife Refuge--'Frey's Island' Sites D, E, and F; in the south-east part of the refuge in southern sump. In fields. 1229 Comment
  RSA210854  Rorippa curvipes var. truncata R. F. Thorne, James Henrickson, C. W. Tilforth 1969-9-4 39111 a Modoc N Fork of Pit River 3.4 mi N of Alturas where crossed by Hwy 395. 1341 Comment
  CAS-BOT-BC58380  Rorippa curvisiliqua John Thomas Howell 1934-6-12 12037 Modoc Lassen Creek. Comment
  UC1601428  Rorippa curvisiliqua Franklin P. Nutting Modoc Little Hot Spring Valley Comment
  CAS-BOT-BC218244  Rosa gymnocarpa Bruce Bartholomew 1994-7-4 6855 Modoc Johnson Creek, E of State Hwy 299. 1620 Comment
  CAS-BOT-BC218254  Rosa woodsii var. ultramontana John H. Hatton 1911-6-13 77 Modoc Modoc County. 1371 Comment
  CAS-BOT-BC218264  Rosa woodsii var. ultramontana Robert J. Weatherby 1955-7-8 1627 Modoc 5 mi. N of Ft. Bidwell. 1783 Comment
  CHSC106197  Rosa woodsii var. ultramontana Lowell Ahart; John Dittes 2010-8-31 17096 Modoc On the west side of Elkins Lane, about 20 yards south of the bridge across Ash Creek, Ash Creek State Wildlife Area, 4215 feet north of Lassen County Line, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  SEINET10684875  Rosa woodsii var. ultramontana Karen M. Meyer, Andrew Townesmith 2007-9-16 Meyer 213 Modoc Modoc National Forest, going E on Hwy 299, 5.1 miles from the start of NF. Lower, Cedar Creek interpretive trail. 1622 Comment
  UC1128612  Rosa woodsii var. ultramontana R. C. Wilson 1933-6-25 51 Modoc Rush Creek Modoc National Forest, Canby Quadrangle Comment
  CAS-BOT-BC433492  Rumex fueginus Elmer I. Applegate 1932-7-6 8204 Modoc East side of Middle Lake, Surprise Valley. Along the Nevada state line. Comment
  CAS-BOT-BC211305  Rumex occidentalis Bruce Bartholomew; Barrett Anderson 1988-7-22 4550 Modoc Stough Reservoir between Alturas and Cedarville, Warner Mts.. 2000 Comment
  CAS-BOT-BC211309  Rumex paucifolius Annie Montague Alexander; L. Kellogg 1946-7-11 4977 Modoc Mesa W of Eight Mile Creek, NE corner of county. Comment
  CAS-BOT-BC211310  Rumex salicifolius Bruce Bartholomew; Barrett Anderson 1988-7-21 4605 Modoc Above Upper Rush Creek Campground ca. 4 km E of State Highway 299 between Adin and Canby. 1580 Comment
  JEPS51054  Sagina saginoides B. M. Payne 1930-5-11 758 Modoc s. and e. Alturas (Parker Creek); Warner Mts., Parker Creek 1584 Comment
  CAS-BOT-BC245204  Sagittaria cuneata Louis Cutter Wheeler 1935-8-5 3787 Modoc Little Lily Lake. 2286 Comment
  CDA13465  Sagittaria cuneata G. F. Hrusa, T. D. Wilfred 1996-7-21 13312 Modoc Modoc Plateau; along Pit River at Modoc Co. Rd. 90 bridge. E base of Splawn Mtn. N end of Big Valley. 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
  UC935798  Sagittaria cuneata Verne Grant and Irving Schneider 1947-7-29 8179 Modoc s Alturas (near Payne Reservoir, Fitzhugh Creek); Fitzhugh Creek, near Payne Reservoir Comment
  JEPS17727  Sagittaria cuneata Rimo Bacigalupi with G. T. Robbins 1955-7-20 5389 Modoc about 4 mi s Cedarville (on western edge of Surprise Valley); western edge of Surprise Valley 1463 Comment
  RSA170191  Sagittaria cuneata W. L. Jepson 1918-8-5 7825 Modoc S Fork Valley. 1372 Comment
  CHSC112834  Sagittaria latifolia Lowell Ahart; John Dittes 2013-7-24 18927 Modoc Edge of a man made pond, about 50 yards south of the levee road, north side of Ash Creek Floodplain, 0.54 mile (air) southeast of Pilot Butte Parking Area, 1.1 miles (air) south of County Road 87, 6.8 miles (air) west of Adin, Big Valley. 1263 Comment
  POM313044  Sagittaria latifolia H. L. Mason 1947-7-12 13413 Modoc Irrigation ditch near S end of road on west side of the Pit River Valley. Comment
  POM266068  Salix C. Leo Hitchcock 1940-5-27 6698 Modoc 15 miles northeast of Alturas. 1616 Comment
  CAS-BOT-BC225754  Salix boothii Francis Dorris Payne 1932-7-21 728 A Modoc S of Mosquito Lake, E side of Mt. Warnen (Buck Mt.), Warner Mts., E of Alturas. Comment
  UC492377  Salix boothii Frances D. Payne 1932-7-21 729 Modoc e of Alturas (marsh s of Mosquito Lake); Warner Mts., e side Mt. Warren (Buck Mt.) Comment
  UCR143516  Salix boothii Frances D. Payne 1931-7-7 331 Modoc Warner Mountains, Pine Creek Basin, c. 33 km SE of Alturas 2280 Comment
  POM218963  Salix eastwoodiae Frances D. Payne 1931-6-25 275 Modoc Pine Creek Basin. Warner Mtns. About 33 km SE of Alturas. 2280 Comment
  SBBG59081  Salix eastwoodiae F. D. Payne 1931-7-8 177 Modoc Pine Crk Basin, ca. 33 km SE of Alturas 2280 Comment
  UC481861  Salix eastwoodiae Frances D. Payne 1931-6-25 275 Modoc ca. 33 km. se Alturas; Warner Mts., Pine Creek Basin 2280 Comment
  UC481868  Salix eastwoodiae Frances D. Payne 1931-7-7 333 Modoc ca. 33 km. se Alturas (below spring); Warner Mts., Pine Creek Basin 2280 Comment
  CAS-BOT-BC225764  Salix exigua A. D. Borden 1911-5-20 s.n. Modoc E side of Goose Lake Comment
  CAS-BOT-BC225775  Salix exigua H. P. Bracelin 1931-6-30 501 Modoc Alturas, SW end of town. 1360 Comment
  HSC80731  Salix exigua G. M. Riegel 1980-7-16 890 Modoc S Warner Mtns. 2100 Comment
  LA208612  Salix exigua Mrs. H. P. Bracelin; Miss Frances D. Payne 1931-6-30 488 Modoc Parker Creek, 20 km. E of Alturas; meadow S of Payne Ranch 1560.0 Comment
  SBBG58876  Salix exigua Mrs. H. P. Bracelin 1931-6-30 501 Modoc Alturas, SW end of town 1300 Comment
  SJSU194  Salix exigua Mrs. H. P. Bracelin 1931-6-30 501 Modoc SW end of Alturas 1371 Comment
  UC481821  Salix exigua Mrs. H. P. Bracelin 1931-6-30 501 Modoc sw end of town Alturas 1360 Comment
  UC481955  Salix exigua Mrs. H. P. Bracelin and Miss Frances D. Payne 1931-6-30 494 Modoc 20 km. e Alturas (Parker Creek, meadow s of Payne Ranch) 1560 Comment
  RSA610748  Salix geyeriana Louis C. Wheeler 1935-9-11 3969 Modoc Devils Garden: Mulkey Place, Fletcher Creek. 1524 Comment
  CAS-BOT-BC229685  Salix lasiandra subsp. caudata F. Angwin 1946-5-23 s.n. Modoc Ash Creek, Adin. 1371 Comment
  CAS-BOT-BC229689  Salix lasiandra subsp. caudata H. P. Bracelin; Francis Dorris Payne 1931-6-30 497 Modoc Parker Creek, 20 km E of Alturas. 1560 Comment
  UC481804  Salix lasiandra subsp. lasiandra Mrs. H. P. Bracelin and Miss Frances D. Payne 1931-6-30 498 Modoc 20 km. e., s. of Payne Ranch, Parker Creek Alturas; Parker Creek 1560 Comment
  NY187672  Salix lasiandra var. lancifolia N. F. Bracelin 1931-6-30 490 Modoc Parker Creek, 20 km east of Alturas 1560 Comment
  NY187673  Salix lasiandra var. lancifolia N. F. Bracelin 1931-6-30 498 Modoc Parker Creek, 20 km east of Alturas 1560 Comment
  UC481842  Salix lasiolepis Frances D. Payne 1931-6-10 137 Modoc Warner Mts., Parker Creek 1560 Comment
  UC481934  Salix lasiolepis Mrs. H. P. Bracelin and Miss Frances D. Payne 1931-6-30 492 Modoc 20 km. e. Alturas (Parker Creek, meadow s. of Payne Ranch); Parker Creek 1560 Comment
  CAS-BOT-BC229665  Salix lemmonii Elmer Ivan Applegate 1932-7-31 7980 Modoc Mill Creek Meadows, Warner Mts. Comment
  NY187861  Salix lemmonii F. D. Payne 1931-7-7 332 Modoc Pine Creek Basin, Warner Mountains, about 33 km southeast of Alturas 2280 Comment
  RSA610749  Salix lemmonii Louis C. Wheeler 1935-9-11 3971 Modoc Devils Garden: Mulkey Place, Fletcher Creek. 1524 Comment
  SBBG57898  Salix lemmonii F. D. Payne -Aug-1934 778 Modoc Pine Crk Basin 2316 Comment
  UC481856  Salix lemmonii Frances D. Payne 1931-7-7 332 Modoc ca. 33 km. s.e. Alturas; Warner Mts., Pine Creek Basin 2280 Comment
  UC481859  Salix lemmonii Frances D. Payne 1931-7-7 334 Modoc ca. 33 km. s.e. Alturas; Warner Mts., Pine Creek Basin 2280 Comment
  POM107155  Salix lemmonii var. macrostachya R. M. Austin 1895-05 s.n. Modoc Davis Creek Comment
  CAS-BOT-BC229669  Salix ligulifolia Milo Samuel Baker 1893-7-15 Modoc unspecified 1371 Comment
  JEPS38499  Salix ligulifolia L. S. Smith 1918-1 54 Modoc Contralts Mill; Warner Mts. Comment
  RSA59372  Salix lucida subsp. lasiandra E. K. Balls 1950-5-11 14621 Modoc 4 miles S of Fort Bidwell. W of Upper Lake. 1402 Comment
  SD37400  Salix lutea Mrs. H. P. Bracelin, Miss Frances D. Payne 1931-6-30 499 Modoc Perker Creek, 20 km east of Alturas, meadow south of Payne Ranch 1559 Comment
  SJSU165  Salix lutea Mrs. H. P. Bracelin & F. D. Payne 1931-6-30 499 Modoc Parker Cr, S of Payne Ranch, 20 km E of Alturas 1554 Comment
  CAS-BOT-BC229849  Salix melanopsis H. P. Bracelin; Francis Dorris Payne 1931-6-30 491 Modoc Parker Creek, 20 km E of Alturas. 1560 Comment
  UC481941  Salix melanopsis Mrs. H. P. Bracelin and Miss Frances D. Payne 1931-6-30 491 Modoc 20 km. e. Alturas (meadow s. of Payne Ranch, Parker Creek); Parker Creek 1560 Comment
  UC481843  Salix scouleriana Frances D. Payne 1931-6-10 138 Modoc Parker Creek Warner Mts., Parker Creek 1560 Comment
  JEPS59866  Salsola tragus W. L. Jepson 1918-8-10 7938 Modoc Alturas 1371 Comment
  UC2043250  Salvia aethiopis Barbara Ertter 1995-7-1 14459 Modoc Highway 395 south of New Pine Creek on Oregon border, at junction of County Road 44. Comment
  SEINET14190209 Image available Salvia aethiopis P. C. Martinelli, T. C. Fuller 1974-7-19 s.n. Modoc Alturas area Comment
  SEINET5343721  Salvia aethiopis M. J. Williams 1984-6-29 84- 70 -1 Modoc North of Alturas on Hwy 395 almost to Oregon border 1433 Comment
  CAS-BOT-BC179237  Salvia dorrii var. dorrii Mrs. H. C. Cantelow 1940-6-1 3791 Modoc E. slope Warner Mountains, Cedar Pass Comment
  CAS-BOT-BC179247  Salvia dorrii var. dorrii B. Bartholomew 1990-6-17 5297 Modoc Along Emerson Creek, 3.9 km SW of County Rd 1, E side of Warner Mts. 1700 Comment
  UC102286  Sambucus mexicana Mrs. R. M. Austin Aug. 1894 Modoc hills near Goose Lake Comment
  CAS-BOT-BC95177  Sambucus racemosa var. melanocarpa Bruce Bartholomew 1989-7-14 4943 Modoc N side of the Pit River near Ostrom Point ca. 5.5 km E of County Route 91. 1280 Comment
  JEPS45509  Sanguisorba annua L. S. Smith 1918-6-14 936 Modoc South Slope Buck Creek Ranger Station and Willow Creek 1676 Comment
  UC719796  Sanguisorba annua Rogers McVaugh 1941-8-5 6248 Modoc 8.5 mi w Cedarville (w slope of Warner Mts.); w slope of Warner Mts. Comment
  UC466699  Sanguisorba annua W. P. Taylor and H. C. Bryant 1910-6-26 Modoc Parker Cr.; Warner Mountains, Parker Cr. 1676 Comment
  CAS-BOT-BC15718  Sanicula graveolens Milo Samuel Baker; Franklin P. Nutting 1894-6-15 Modoc Big Valley Mts. Comment
  JEPS1006  Sanicula graveolens L. S. Smith 1918-1 1124 Modoc Warner Mountains, Deep Creek Deep Creek; Warner Mountains, Deep Creek 1889 Comment
  HSC80789  Sanicula graveolens G. M. Riegel 1979-7-13 511 Modoc South Warner Mountains 1829 Comment
  CAS-BOT-BC95240  Saponaria officinalis Verne Grant; I. Schneider 1947-8-24 8256 Modoc S end of Jess Valley, Warner Mts. 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-BC95570  Sarcobatus vermiculatus Elmer Ivan Applegate 1897-6-1 3035 Modoc Between Canby and Alturas. 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
  RSA520434  Saxifraga nidifica var. nidifica Bruce Bartholomew, M. Bourell 1990-4-27 5171 Modoc NW side of Rice Flat, 2km S of Adin Pass. 1540 Comment
  UCD126454  Schedonorus arundinaceus L. D. Whitney 1935-7-21 s.n. Modoc Happy Camp. Comment
  CAS-BOT-BC247698  Schedonorus pratensis Bruce Bartholomew; Barrett Anderson 1988-7-22 4482 Modoc Vicinity of East Creak Trailhead, southern end of the Warner Mts. 2210 Comment
  UC1100758  Schoenoplectus acutus var. occidentalis Verne Grant and Irving Schneider 1947-8-28 8342 Modoc Pit River about 2 mi downstream from Canby; Pit River, downstream from Canby Comment
  RSA210779  Schoenoplectus acutus var. occidentalis Robert F. Thorne, James Henrickson, C. W. Tilforth 1969-9-4 39070 Modoc SW shore of Goose Lake N of McGinty Point 1433 Comment
  CAS-BOT-BC245129  Schoenoplectus americanus Herbert Louis Mason 1947-8-11 13491 Modoc Hwy 81, W margin of Lower Lake, near boundary with Lassen County. Comment
  UCR67030  Schoenoplectus pungens var. longispicatus George K. Helmkamp 1990-9-23 J- 9 Modoc Warner Mtns, Goose Lake, within 0.1 mi of the Oregon border 1476 Comment
  UC1100874  Scirpus americanus Herbert L. Mason, Verne Grant 1947-7-11 13364 Modoc 5 mi s Alturas (irrigation ditch on Highway 395); s of Alturas Comment
  CHSC113087  Scirpus microcarpus Lowell Ahart; John Dittes 2013-7-24 18944 Modoc South margin of Ash Creek Canal, south of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. 1268 Comment
  UC1100835  Scirpus microcarpus Verne Grant and Irving Schneider 1947-7-22 8152 Modoc on dirt road leading to s end Goose Lake one mi nw Highway 395 (headwaters North Fork Pit River); , s end Goose Lake Comment
  RSA59882  Scirpus nevadensis E. K. Balls 1950-5-13 14668 Modoc Goose Lake, east shore about Willow Ranch. 1463 Comment
  POM229943  Scirpus nevadensis L. C. Wheeler 1935-9-4 3944 Modoc McGinty Point, Goose Lake. 1463 Comment
  CAS-BOT-BC179152  Sclerolinon digynum Milo S. Baker 1894-6-20 Modoc Near Whitehorse Lake. Comment
  HSC80744  Scrophularia desertorum G. M. Riegel 1979-7-28 610 Modoc S Warner Mtns. 1739 Comment
  HSC81095  Scutellaria nana G. M. Riegel 1980-7-29 971 Modoc S Warner Mtns. 1739 Comment
  JEPS62884  Scutellaria nana Milo S. Baker 1893-6 Modoc near Forestdale Comment
  UC1586968  Scutellaria nana Juha Pykala and D. H. Norris 1987-5-27 1099 Modoc about 1.5 - 2 mi from Highway 299 to Modoc National Forest boundary (Crowder Flat Road); Crowder Flat Road 1499 Comment
  JEPS48038  Sedum stenopetalum Mary H. Manning 1907-1 Modoc e side Mt. Bidwell (Twelve-mile Creek); e side Mt. Bidwell, Twelve-mile Creek Comment
  CAS-BOT-BC50338  Senecio aronicoides Robert Patterson; Mona Bourell 1993-8-15 5269 Modoc Warner Mountains. Along trail from Patterson Lake to ca. 2 mi north towards Pepperdine Trailhead. 2743 Comment
  CAS-BOT-BC50339  Senecio aronicoides Bruce Bartholomew 1990-6-15 5229 Modoc S end of Deer Spring Ridge, 0.2 km N of turn off to Knox Flat. 1920 Comment
  HSC28825  Senecio aronicoides D. H. Norris, T. Nelson, S. Dowty 1971-6-22 19337 Modoc Soup Springs Campground Comment
  POM229880  Senecio canus L. C. Wheeler 1935-8-4 3778 Modoc Dry Lake, Pine Creek, Warner Mountains. 2104 Comment
  RSA113689  Senecio eurycephalus H. K. Sharsmith 1955-6-25 4507 Modoc North slope of Jess Valley. Warner Mountains, Modoc National Forest. 1585 Comment
  HSC67901  Senecio fremontii J. P. Smith, J. O. Sawyer 1973-8-8 7219 Modoc Near summit of Eagle Peak 2988 Comment
  UC1169382  Senecio hydrophiloides R. Ornduff 1957-7-6 4229 Modoc 1 mi w Benton Meadow; Warner Mountains Comment
  JEPS89346  Senecio hydrophilus Dean Wm. Taylor with Glenn L. Clifton 1989-8-6 10502 Modoc w. shore Lower Lake (Surprise Valley); , Lower Lake 1363 Comment
  RSA0012561  Senecio hydrophilus R. F. Thorne, C. W. Tilforth 1969-9-5 39167 Modoc Modoc National Forest, Warner Mountains, Clear Lake. 1768 Comment
  UC91663  Senecio hydrophilus Mrs. R. M. Austin Sept 1894 Modoc shores Goose Lake Comment
  CAS-BOT-BC50252  Senecio integerrimus var. exaltatus Bruce Bartholomew; Barrett Anderson 1989-6-1 4744 Modoc ca. 0.5 km S of State Hwy 299 on road to Shaker Spring. 1420 Comment
  CAS-BOT-BC50287  Senecio integerrimus var. exaltatus Bruce Bartholomew 1992-5-15 6310 Modoc Upper end of Pleasants Canyon, W side of Warner Mountains. 1930 Comment
  UC748074  Senecio integerrimus var. exaltatus Annie M. Alexander and Louise Kellogg 1946-7-18 5019 Modoc Benton Meadow, upper end of meadow Warner Mountains 2072 Comment
  UCSB17293  Senecio serra Haller, John 1961-6-25 Modoc Eagleville-Likely road, 0.5 mi W of crest of Warner Mountains, about 3 mi E of Patterson Ranger Station 2286 Comment
  UCSB17314  Senecio serra Haller, John 1961-6-25 Modoc Eagleville-Likely road, 0.5 mi W of crest of Warner Mountains, about 3 mi E of Patterson Ranger Station 2286 Comment
  CAS-BOT-BC50267  Senecio serra var. serra Annie Montague Alexander; L. Kellogg 1946-7-7 4949 Modoc Eight Mile Creek, NE corner of county 1752 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
  JEPS117921  Shepherdia argentea L. P. Janeway 2008-8-16 9540 Modoc Surprise Valley Modoc Plateau (east side of Middle Alkali Lake, south side of Hwy 299 10.5 km east of Cedarville.) 1378 Comment
  CAS-BOT-BC225037  Sibbaldia procumbens Annie Montague Alexander; L. Kellogg 1946-6-27 4853 Modoc Highgrade, (top of ridge, 2 mi. by road from Dismal Swamp) N end of Warner Mts. 2377 Comment
  CAS-BOT-BC179080  Sidalcea oregana subsp. oregana Amos Arthur Heller 1938-6-24 15227 Modoc Between Alturas and Canby. 1219 Comment
  RSA101358  Sidalcea oregana subsp. oregana R. Weatherby 1955-7-8 1625 Modoc 6 miles N of Ft. Bidwell, Northern Warner Mts. 1738 Comment
  UC1192273  Sidalcea oregana subsp. oregana Verne Grant, Irving Schneider 1947-7-22 8144 Modoc on Highway 395 about one mi n of junction with Cedarville Road (North Fork of Pit River); , n of jct w Cedarville Road Comment
  UC108854  Sidalcea oregana subsp. oregana Mrs. R. M. Austin 1894-1 310 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
  UC615020  Sidalcea oregana subsp. spicata Beryl O. Schreiber 1934-6-10 1175 Modoc Lost Lake Warner Mountains, Lost Lake 2316 Comment
  UC748248  Sidalcea oregana subsp. spicata Annie M. Alexander and Louise Kellogg 1946-7-11 4976 Modoc Mesa west Eight Mile Creek, Mesa west (Eight Mile Creek, ne corner of county) Comment
  NY446741  Silene douglasii F. M. Ownbey 1940-7-1 2154 Modoc Cedar Peak, Warner Mountains Comment
  CAS-BOT-BC181343  Silene latifolia T. C. Fuller 1975-6-4 20097 Modoc West side of Hwy 139, 2 miles south of the plant quarantine station 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
  UC8471  Silene lemmonii Milo S. Baker 1893-6-22 Modoc Comment
  NY452818  Silene menziesii A. Tiehm 1984-6-30 8840 Modoc Northwest side of Bidwell Mountain, 2.8 road miles north of 8 mile creek on the road from Lake Annie 1828.8 Comment
  CHSC113092  Silene nuda Lowell Ahart; John Dittes 2013-7-25 18954 Modoc On the north side of a deep drainage, dry meadow, 30 yards south of the east-west fence, south edge of Ash Creek Floodplain, northeast of Patterson Homestead, east of Elkins Lane, 1.0 mile (air) south of County Road 87, 3.14 miles (air) west of Adin, Big Valley. 1267 Comment
  RSA0118761  Silene nuda Lowell A. Ahart, John Dittes 2013-7-25 18954 Modoc On the north side of a deep drainage, 30 yards south of the east-west fence, south edge of Ash Creek Floodplain, northeast of Patterson Homestead, east of Elkins Lane, 1.0 mile (air) south of County Road 87, 3.14 miles (air) west of Adin, Big Valley. 1268 Comment
  CAS-BOT-BC95042  Sisymbrium altissimum Bruce Bartholomew 1994-10-8 6875 Modoc 1 km S of Lookout - Adin Road on County Road 87A. 1260 Comment
  CAS-BOT-BC245085  Sisyrinchium idahoense var. idahoense Bruce Bartholomew 1994-5-29 6739 Modoc SE of Egg Lake on Forest Service road 42N15. 1260 Comment
  SEINET3130370  Sitanion jubatum Baker, Nutting 1900-7-2 sn Modoc Egg Lake Comment
  JEPS62134  Smilacina racemosa Leland S. Smith 1918-6-22 953 Modoc Lily Lake Modoc National Forest, High Grade District (near stream) Comment
  UC3868  Smilacina racemosa Milo S. Baker 1893-6-29 Modoc Comment
  UC71880  Smilacina stellata Mrs. M. H. Manning 1903-1 114 Modoc Ft. Bidwell; near streams, ne Modoc Co. Comment
  NY821272  Solanum physalifolium L. C. Wheeler 1935-9-22 3994 Modoc 3 mi. W of Alturas 1356 Comment
  CAS-BOT-BC245425  Solanum triflorum Carl Brandt Wolf 1931-9-5 2399 Modoc 2 mi. above the east base of the grade on the road from Lake City to Davis Creek, Warner Mts. 1676 Comment
  SEINET7262122 Image available Solanum triflorum Robbins, Raynor June 1943 s.n. Modoc Corporation Ranch, Likely Comment
  CAS-BOT-BC245437  Solanum umbelliferum Bruce Bartholomew; Barrett Anderson 1988-6-23 4260 Modoc 1.8 km WSW of Day on County Road 94. 1170 Comment
  HSC81114  Solidago elongata G. M. Riegel 1979-9-5 746 Modoc South Warner Mtns. 1670 Comment
  SEINET3167750  Solidago elongata J. C. Semple, B. A. Suripto 1990-8-11 9295 Modoc NE of Altura, flood plain of N. Fork Railroad by US-395, approx. 2 km S of Joseph Creek Rd. Comment
  UC36236  Solidago elongata Milo S. Baker 1893-6 Modoc Comment
  SJSU9676  Solidago spectabilis Wayne Savage 1979-8-23 1587 Modoc junction of Fairchild Swamp Rd & County Rte 86; Triangle, Round Valley Unit, Devils Garden Ranger District, Modoc National Forest 1493 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
  UC71565  Solidago velutina subsp. californica Mrs. M. H. Manning 1903-6 246 Modoc near Fort Bidwell (north-eastern Modoc County) Comment
  CAS-BOT-BC158914  Sorbus scopulina Elmer I. Applegate s.n. Modoc Mill Creek Meadows, west slope of the Warner Mountains Comment
  UC46335  Sorbus scopulina var. cascadensis Frances D. Payne 1931-6-21 230 Modoc Parker Creek, s and e of Alturas (w of Dry Creek); Warner Mountains 1981 Comment
  SBBG3121  Sorbus sitchensis H. and M. Dearing 1939-6-8 3638 Modoc Cave Lake, Warner Mtns Comment
  CHSC111410  Sparganium emersum Lowell Ahart; John Dittes 2012-7-10 18326 Modoc East of the fence, northwest of the old homestead, Ash Creek State Wildlife Area, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  RSA0098129  Spergularia rubra Bruce Bartholomew, B. Anderson 1988-7-23 4583 Modoc Dismal Swamp, Warner Mountains. 2180 Comment
  JEPS45016  Spiraea douglasii Milo S. Baker 1893-7-12 Modoc Forestdale Comment
  CAS-BOT-BC242205  Spiranthes romanzoffiana Bruce Bartholomew; Barrett Anderson 1988-7-23 4569 Modoc Field redacted by CAS, contact the data manager for more information 2180 Comment
  JEPS114852  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
  CAS-BOT-BC179206  Stachys pilosa B. Bartholomew 1990-8-3 5619 Modoc Sour Creek, 2.3 km NE of West Warner Rd on road to Soup Spring, W side of Warner Mts. 1710 Comment
  CAS-BOT-BC179214  Stachys pilosa M. Vasey 1990-6-30 9032 Modoc Near Lava Camp (end of road), Egg Lake. 1300 Comment
  UCD126027  Stachys rigida Verne Grant; Irving Schneider 1947-7-18 8047 Modoc Eastside Canal, 5 miles north of Bayley's bridge, south of Alturas. Comment
  HSC1957  Stachys rigida var. rigida M. T. Milligan 1966-6-30 500 Modoc Slopes and ridges E of Jess Valley 1768 Comment
  CAS-BOT-BC95290  Stellaria longipes var. longipes Roxana Stinchfield Ferris; R. Duthie 1919-6-14 141 Modoc Parker Creek at Modoc Nat. Forest Boundary. Comment
  CAS-BOT-BC248363  Stenotus acaulis B. Bartholomew; H. Sun 2002-6-24 8846 Modoc E of Bald Mt., on the E side of the Warner Mountains 2170 Comment
  JEPS31317  Stenotus acaulis Mrs. R. M. Austin and Bruce 1898-6-18 2135 Modoc Lake City, Mt. 2133 Comment
  UC585135  Stenotus acaulis E. B. Babcock, G. L. Stebbins Jr. 1936-6-9 1843 Modoc Lake City 1524 Comment
  RSA531364  Stephanomeria spinosa Bruce Bartholomew, B. Anderson 1990-7-21 5566 Modoc N Barber Creek, road to Surprise Valley to Patterson Ranger Station, E side of Warner Mtns. 1710 Comment
  UC585230  Streptanthus cordatus E. B. Babcock and G. L. Stebbins Jr. 1936-6-9 1832 Modoc steep n-facing talus slope about 3 mi w Cedarville; Warner Mountains, Cedar Creek Canyon Comment
  UC705857  Streptanthus cordatus Marion Ownbey and Fred G. Meyer 1940-7-1 2135 Modoc Cedar Pass Warner Mts. Comment
  RSA603599  Streptanthus cordatus L. C. Wheeler 1935-8-14 3842 Modoc Pine Creek. Warner Mtns. 2011 Comment
  CAS-BOT-BC95067  Streptanthus cordatus var. cordatus Alice Eastwood; John Thomas Howell 1940-6-13 8138 Modoc W side of Fandango Pass. Comment
  CHSC109214  Streptanthus cordatus var. cordatus L. P. Janeway; B. Castro 2012-7-24 10968 Modoc Warner Mountains. Along Forest Road/County road 2 (the road from New Pine Creek to Fort Bidwell) 1.0 air km west of Lily Lake and 1.4 air km northwest of Yellow Mountain. 1948 Comment
  CAS-BOT-BC180098  Swertia albicaulis var. albicaulis Margaret J. Williams; et al 1988-5-28 88- 19 -4 Modoc Hwy 395, intersection with Davis Creek road. Comment
  CAS-BOT-BC180107  Swertia albicaulis var. albicaulis Leland S. Smith 1919-5-8 1096 Modoc Above Clarke Ranch, Jess Valley. 1676 Comment
  CHSC67112  Swertia albicaulis var. albicaulis James D. Jokerst 1987-5-11 2819 Modoc Radar Survey Site S of Doublehead Mtn., S of Clear Lake Reservoir. 1363 Comment
  UC22717  Swertia albicaulis var. nitida Milo S. Baker 1893-7-20 Modoc 1371 Comment
  UC711868  Swertia radiata Roxana S. Ferris and Laura Lorraine 1941-8-14 10595 Modoc 3 mi from Patterson Ranger Station (on the road to Eagleville); Warner Mountains, Modoc National Forest Comment
  CAS-BOT-BC95181  Symphoricarpos longiflorus Annie Montague Alexander; L. Kellogg 1946-6-18 4805 Modoc Base of lava bluff facing Lower Lake. Comment
  CAS-BOT-BC95193  Symphoricarpos rotundifolius var. rotundifolius Elmer Ivan Applegate 1932-7-9 7576 Modoc Warner Mountains, north slope of Bidwell Mountain 0 Comment
  CAS-BOT-BC95196  Symphoricarpos rotundifolius var. rotundifolius John H. Hatton 1911-6-20 123 Modoc Modoc County. 1524 Comment
  CAS-BOT-BC95199  Symphoricarpos rotundifolius var. rotundifolius K. Paulson; Robert Paulson 1989-5-21 125 Modoc Boles Creek on County Road 136. 1438 Comment
  HSC4012  Symphoricarpos rotundifolius var. rotundifolius M. T. Milligan 1966-7-3 541 Modoc Slopes and ridges E of Jess Valley. 1768 Comment
  UC86736  Symphyotrichum ascendens Mrs. R. M. Austin Jun 1894 207 Modoc Goose Lake Valley Comment
  HSC5072  Symphyotrichum campestre M. T. Milligan 1966-7-29 604 Modoc Slopes and ridges E of Jess Valley 1982 Comment
  CAS-BOT-BC15221  Symphyotrichum eatonii Leland S. Smith 1922-8-8 1333 Modoc Along stream in Section 14.T40, R9 1524 Comment
  CAS-BOT-BC99011  Symphyotrichum eatonii L. S. Smith 1922-8-8 1333 Modoc Along stream 1524 Comment
  UC748363  Symphyotrichum foliaceum Annie M. Alexander and Louise Kellogg 1946-8-9 5145 Modoc Patterson Lake Trail Warner Mountains Comment
  CAS-BOT-BC15153  Symphyotrichum foliaceum var. parryi Leland S. Smith 1918-7-15 999 Modoc Mill Creek Corral. 2087 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-BC15155  Symphyotrichum foliaceum var. parryi Bruce Bartholomew; Barrett Anderson 1988-7-22 4541 Modoc Benton Meadow, Warner Mts.. 2180 Comment
  CAS-BOT-BC15156  Symphyotrichum foliaceum var. parryi Louis Cutter Wheeler 1935-8-16 3875 Modoc Dismal Swamp, Warner Mountains 2225 Comment
  CAS-BOT-BC15158  Symphyotrichum frondosum E. S. Willits 1939-10-10 165 Modoc Surprise Valley. 1371 Comment
  JEPS5930  Symphyotrichum spathulatum Frances D. Payne 1932-7-9 765 Modoc s and e of, (Parker Creek) Alturas; Warner Mountains, Parker Creek 1584 Comment
  SEINET5344502  Taeniatherum caput-medusae M. J. Williams 1984-6-30 84- 75 -3 Modoc 27.4 mi N of Cedar Pass road on Hwy 395 1295 Comment
  JEPS6003  Tanacetum vulgare Frances D. Payne 1935-8-25 811 Modoc s and e of Alturas (Warner Mountains, Parker Creek); Warner Mountains, Parker Creek 1584 Comment
  CHSC112076  Taraxia tanacetifolia L. P. Janeway; B. Castro 2014-6-3 11312 Modoc Great Basin. Within the generally bare drawdown zone of Fee Reservoir. 1590 Comment
  UC1191748  Taraxia tanacetifolia Herbert L. Mason and Verne Grant 1947-7-10 13327 Modoc 2 mi e Alturas; Dorris Reservoir Comment
  RSA34819  Tetradymia canescens Roxana S. Ferris, Laura Lorraine 1941-8-14 10599 Modoc 5 1/2 mi from Patterson Ranger Station on Eagleville Road. Modoc National Forest. Warner Mtns. Comment
  UC91610  Tetradymia canescens Mrs. R. M. Austin Aug 1882 Modoc plains near Goose Lake 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
  CAS-BOT-BC217133  Thalictrum fendleri Leland S. Smith 1922-7-20 1307 Modoc Rush Creek Ranger Station pasture. 1905 Comment
  RSA604935  Thalictrum fendleri Louis C. Wheeler 1935-8-10 3823 Modoc Lily Lake, Pine Creek, Warner Mts. 2134 Comment
  UC9699  Thalictrum fendleri Mrs. R. M. Austin June 1894 Modoc Willow Creek Comment
  RSA27039  Thalictrum occidentale var. palousense C. L. Hitchcock 1940-5-27 6704 a Modoc 15 miles northeast of Alturas. 1616 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
  RSA551271  Thelypodium flexuosum Bruce Bartholomew 1991-5-24 5696 Modoc Surprise Valley, 5.1 km E of Eagleville 1370 Comment
  NY33852  Thermopsis argentata M. S. Baker 06 1894 s.n. Modoc Forestdale Comment
  CAS-BOT-BC181793  Thermopsis californica var. argentata Bruce Bartholomew; Barrett Anderson 1989-6-3 4902 Modoc ca. 5 km NW of Egg Lake and ca. 0.8 km W of Service Flat Gulch. 1370 Comment
  JEPS114433  Thermopsis californica var. argentata Lowell Ahart, John Dittes 2008-8-26 15333 Modoc On the sides of an unnamed road, 200 feet east of intersection with County Road 85a, 9.3 miles (air) north-northeast of Lookout 1276 Comment
  SD134001  Thermopsis californica var. argentata B. Bartholomew, B. Anderson 1989-6-3 4902 Modoc Ca. 5 km NW of Egg Lake & ca. 0.8 km west of Service Flat Gulch, forest openings 1370 Comment
  UC16384  Thermopsis macrophylla var. argentata Milo S. Baker Aug. 1894 Modoc Big Valley Mts. Comment
  UCD162393  Thinopyrum intermedium Chuck Hughes 2015-9-12 438 Modoc Near the Larry Flat Campound, Modoc National Forest. 1823 Comment
  SJSU9623  Thlaspi arvense W. Savage 1979-7-7 1433 Modoc Triangle, Fairchild Swamp Unit, Devils Garden District, Modoc National Forest 1493 Comment
  UCD115582  Thlaspi arvense R. N. Raynor; E. Berry 1940-4-12 s.n. Modoc Corporation Ranch, Likely. Comment
  CAS-BOT-BC95087  Thysanocarpus curvipes Milo Samuel Baker 1893-6-16 Modoc Rocky south hillside. Comment
  NY1083233  Tiquilia nuttallii B. M. Bartholomew 1990-6-17 5317 Modoc Surprise Valley, 6.8 km west of Eagleville 1390 Comment
  UC1601311  Townsendia scapigera unknown May 1879 Modoc Surprise Valley Comment
  RSA474744  Tragopogon porrifolius George Willet 1935-6-9 s.n. Modoc Eagleville. Comment
  UC71589  Tragopogon porrifolius Mrs. M. H. Manning 1903-6 185 Modoc near Fort Bidwell (ne Modoc County) Comment
  CAS-BOT-BC179201  Trichostema oblongum Bruce Bartholomew 1994-7-1 6757 Modoc 11.9 km NW of State Hwy. 299 on road to Dutch Flat. 1400 Comment
  CAS-BOT-BC181792  Trifolium andersonii var. andersonii Elmer Ivan Applegate 1897-6-7 900 Modoc Clear Lake. Comment
  JEPS118253  Trifolium andersonii var. andersonii Lowell Ahart, John Dittes 2011-6-22 17560 Modoc On the east side of the road, about 100 yards north of the Pilot Butte Parking Lot, north edge of Ash Creek Floodplain, 1.1 miles (air) south of County Road 87, 7.7 miles (air) west of Aden [Adin], 10 miles (air) east of Lookout, Big Valley 1264 Comment
  CAS-BOT-BC181782  Trifolium cyathiferum Francis Dorris Payne 1931-6-18 191 Modoc Parker Creek. 1584 Comment
  HSC65608  Trifolium dubium Thomas Wood 1979-8-9 244 Modoc Dirt road along Bidwell Creek, 2.9 mi. NW of junction with Co. Hwy. 2, N of Ft. Bidwell 1509 Comment
  CAS-BOT-BC181778  Trifolium gymnocarpon var. plummerae Bruce Bartholomew 1991-5-24 5741 Modoc Near NW side of Big Mud Lake and 2 km SW of Nevada State boundary. 1680 Comment
  UCSC011162  Trifolium hybridum Lowell Ahart, John Dittes 2016-7-16 21241 Modoc Between the 1st pond and 2nd going west, south of Ash Creek Canal (now filled in), south of Ash Creek, Ash Creek State Wildlife Area, 0.79 air miles west of Adin, Big Valley 1274 Comment
  JEPS66052  Trifolium kingii var. productum Leland S. Smith 1918-6-23 857 Modoc vicinity Modoc Forest (High Grade) Comment
  CAS-BOT-BC181733  Trifolium macrocephalum F. Angwin 1946-5-3 Modoc Big Valley. 1280 Comment
  CHSC118091  Trifolium macrocephalum L. P. Janeway 2016-5-17 12009 Modoc Modoc Plateau. Devils Garden area; flat just below (west of) Por-cupine Rim; 0.3 km north of Road 43N18; 4.0 air-km west of Big Sage Reservoir 1544 Comment
  CHSC54183  Trifolium macrocephalum Vernon H. Oswald 1991-5-28 4631 Modoc North side of aprking area on the southeast side of Pilot Butte, Ash Creek Wildlife Area, ca. 5.5 miles north northeast of Bieber. 1264 Comment
  JEPS65940  Trifolium macrocephalum Frances D. Payne 1929-6-23 26 Modoc S and E of Alturas (Parker Creek); Warner Mountains 1584 Comment
  UC80666  Trifolium macrocephalum Mrs. R. M. Austin May 1894 42 Modoc Goose Lake Valley Comment
  CAS-BOT-BC180170  Trifolium microcephalum Bruce Bartholomew; Barrett Anderson 1988-6-25 4401 Modoc Ryan Canyon, N of Adin. 1390 Comment
  SEINET7073580  Trifolium microcephalum A. G. Vestal 1955-5-18 s.n. Modoc About 3.2 miles east of Aden on Route 87. UTM Zone 10, 666674mE, 4563618mN. Coordinate datum: NAD27. Comment
  CAS-BOT-BC498667  Trifolium microcephalum Mrs. R. M. Austin 1895-7-1 s.n. Modoc Goose Lake Valley Comment
  CAS-BOT-BC181763  Trifolium productum Bruce Bartholomew; Barrett Anderson 1988-7-23 4582 Modoc Dismal Swamp, Warner Mts.. 2180 Comment
  CAS-BOT-BC248352  Trifolium productum B. Bartholomew; H. Sun 2002-6-24 8835 Modoc Ca. 1 km NW of Bald Mt., E side of the Warner Mountains 2290 Comment
  CAS-BOT-BC180166  Trifolium variegatum Bruce Bartholomew 1994-7-1 6761 Modoc 11.9 km NW of State Hwy. 299 on road to Dutch Flat. 1400 Comment
  HSC15185  Trifolium variegatum M. T. Milligan 1964-7-1 121 Modoc W end of Ballard's Resvr. 1372 Comment
  CAS-BOT-BC180156  Trifolium wormskioldii Roxana Stinchfield Ferris; R. Duthie 1919-6-14 174 Modoc Parker Creek at Modoc For. Boundary. Comment
  CAS-BOT-BC180161  Trifolium wormskioldii V.