Search Results — 2000 specimen records retrieved (1461 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC73550  Abies concolor Francis D. Payne 1932-7-3 678 Modoc Parker Creek 1584 Comment
  SEINET10833947  Abies concolor LeRoy E. Detling 1948-5-24 Detling 6249 Modoc Cedar Pass. Fir forest. Narrow stream valley; moist clay-loam. 1798 Comment
  CAS-BOT-BC15632  Achillea millefolium John Thomas Howell 1934-6-11 11932 Modoc Parker Creek. 1584 Comment
  CAS-BOT-BC15637  Achillea millefolium Bruce Bartholomew; Barrett Anderson 1988-7-21 4432 Modoc Whipple Spring, E side of Whitehorse Flat Reservoir. 1340 Comment
  CHSC100359  Achillea millefolium Lowell Ahart; John Dittes 2008-8-25 15317 Modoc On the east bank (flood plain) of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-notheast of Lookout. 1273 Comment
  UC29233  Achillea millefolium Milo S. Baker 1893-6 Modoc timbered land Comment
  UC1025068  Achnatherum Leo Whitney 1935-7-25 3548 Modoc near Lava Ranger Station (7 mi ne of Whitehorse) Comment
  CAS-BOT-BC242282  Achnatherum hymenoides Leland S. Smith 1917-7-17 85 Modoc Cedarville. 1981 Comment
  CAS-BOT-BC242278  Achnatherum lemmonii Bruce Bartholomew; Barrett 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
  UCD50457  Achnatherum lemmonii L. S. Smith 1918-6-20 972 Modoc California, Modoc Forest, Pine Creek, Modoc County. Comment
  UCD50561  Achnatherum lemmonii Beecher Crampton; with Carl Rimbey 1954-7-8 2178 Modoc Peat Meadow; Jess Valley, Warner Mountains, 15 miles east of Likely. Modoc County. Comment
  CAS-BOT-BC242317  Achnatherum lettermanii Bruce Bartholomew; Barrett Anderson 1988-6-23 4286 Modoc Widow Valley, 18.0 km W of Day on County Road 94. 1230 Comment
  SEINET5585613 Image available Achnatherum lettermanii R. J. Leader, C. S. Leader 1949-1 C- 218 Modoc Badger Wells, 10 miles east of Hackamore Forest Camp on the Canby-Klamath Falls highway 17 miles east of Canby, Modoc National Forest 1585 Comment
  UCD32733  Achnatherum nelsonii Beecher Crampton 1954-7-8 2178 Modoc Mococ County, Warner Mountains, 15 miles east of Likely, along road to Jess Valley. 1676 Comment
  UCD51428  Achnatherum thurberianum Beecher Crampton; Carl Rimbey 1954-7-7 2146 Modoc East side of Cedar Pass, Warner Mountains, 3 miles west of Cedarville. Comment
  UCD51430  Achnatherum thurberianum Beecher Crampton 1962-5-7 - 26 Modoc 3 miels west of Cedarville. Comment
Read comments
May 12 2013
  CHSC117501  Acmispon denticulatus Lowell Ahart; John Dittes 2016-7-14 21170 Modoc West side of a new pond, south of Ash Creek Canal (now filled in), south of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. 1273 Comment
  CAS-BOT-BC218305  Aconitum columbianum Leland S. Smith 1922-7-20 1311 Modoc Rush Creek Ranger Station. 1905 Comment
  UC71849  Aconitum columbianum Mrs. M. H. Manning 1903-8-3 70 Modoc near Fort Bidwell; n.e. Modoc Co. Comment
  UC465619  Aconitum columbianum Mrs. M. H. Manning 102 Modoc n.e. Modoc Co. Comment
  UC71877  Actaea rubra Mrs. M. H. Manning August, 1903 120 Modoc n.e. Modoc Co. 1432 Comment
  UC29324  Adenocaulon bicolor Milo S. Baker 1893-6 Modoc along timbered mt. stream Comment
  CAS-BOT-BC218323  Adonis aestivalis Mrs. H. C. Cantelow 1949-6-12 s.n. Modoc About 1 mi. W of Canby. Comment
  CDA3516  Adonis aestivalis T. C. Fuller 1963-6-11 10645 Modoc R. Bushey property, mouth of Turner Creek at the Pit River, ca. 7 miles west of Canby. 0 Comment
  CAS-BOT-BC179883  Agastache urticifolia Annie Montague Alexander; L. Kellogg 1946-7-11 4963 Modoc Eight Mile Creek. Comment
  HSC81097  Agastache urticifolia G. M. Riegel 1980-7-23 927 Modoc S Warner Mtns. 2100 Comment
  HSC14192  Agastache urticifolia M. T. Milligan 1965-6-27 369 Modoc E slope of eroded volcanic plateau. 1677 Comment
  POM70467  Agastache urticifolia Mrs. R. M. Austin 1898-06 2195 Modoc Foothills, Goose Lake. Comment
  CAS-BOT-BC15644  Ageratina occidentalis Louis Cutter Wheeler 1935-8-14 3839 Modoc Pine Creek, Warner Mts. 2011 Comment
  CAS-BOT-BC15645  Ageratina occidentalis Bruce Bartholomew; Barrett Anderson 1988-7-22 4479 Modoc Vicinity of East Creak Trailhead, southern end of the Warner Mts. 2210 Comment
  HSC67885  Ageratina occidentalis J. P. Smith, J. O. Sawyer 1973-8-9 7256 Modoc Blue Lake, Modoc National Forest. 1829 Comment
  HSC81110  Ageratina occidentalis G. M. Riegel 1979-7-30 620 Modoc S Warner Mtns. 640 Comment
  JEPS6012  Ageratina occidentalis Frances D. Payne 1933-8-6 774 Modoc 2 mi sw Warren Mt. (se Modoc County); Pine Creek Basin 2316 Comment
  RSA608594  Agoseris glauca var. dasycephala L. C. Wheeler 1935-8-16 3885 Modoc Warner Mountains: Dismal Swamp, Twenty Mile Creek. 2226 Comment
  RSA95000  Agoseris glauca var. dasycephala F. W. Peirson 1926-6-25 6884 Modoc Small side canyon 1 mile east of summit of Warner Mountains on Cedarville Road. Comment
  SEINET2029689 Image available Agoseris glauca var. laciniata C. L. Hitchcock 1940-5-27 6707 Modoc 15 miles northeast of Alturas 1676 Comment
  SJSU9681  Agoseris monticola W. Savage 1979-8-22 1577 Modoc Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  UC748132  Agoseris monticola Annie M. Alexander and Louise Kellogg 1946-7-18 5015 Modoc near Benton Meadow; Warner Mountains 2072 Comment
  CAS-BOT-BC126784  Agoseris parviflora Isabel T. Kelly 1930-1-1 58 Modoc unspecified Comment
  RSA27436  Agoseris parviflora C. L. Hitchcock 1940-5-27 6707 Modoc 15 miles NE of Alturas. 1677 Comment
  CAS-BOT-BC15603  Agoseris retrorsa Bruce Bartholomew 1993-6-12 6579 Modoc Road to Day Rock from Little Hot Spring Valley. 1250 Comment
  UCD51682  Agropyron cristatum B. L. Kay 1957-6-1 s.n. Modoc Modoc County. Comment
  CHSC112050  Agropyron cristatum subsp. pectinatum Lowell Ahart; John Dittes 2012-7-11 18346 Modoc About 1/2 mile southeast of the Pilot Butte Parking Lot, north edge of Ash Creek floodplain, about 1.5 miles (air) south of County Road 87, about 7.5 miles (air) west of Adin, about 10.2 miles (air) east of Lookout, Big Valley. 1260 Comment
  UC1037168  Agrostis alba Leo Whitney 1935-7-17 3512 Modoc ca 15 mi nw Canby; Modoc National Forest, Lake Joaquina, Hackamore 1463 Comment
  UC1137066  Agrostis alba August L. Hormay 1932-7-15 Modoc Crowder Ranger Station Modoc National Forest, Crowder Ranger Station Comment
  CHSC115774  Agrostis capillaris Lowell Ahart; John Dittes 2015-7-16 20371 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
  CHSC85406  Agrostis exarata John Dittes; Josephine Guardino 1991-8-23 456 Modoc Modoc Plateau; Warner Mountains; southwest edge of Dismal Swamp; ca. 7.4 air-miles east by southeast of Goose Lake State Recreation Area, ca. 0.7 air-miles south of Oregon border, ca. 3.3 air-mile northwest of summit of Bidwell Mtn. Meadow. 2209 Comment
  UC1024982  Agrostis exarata Leo Whitney 1935-7-6 3416 Modoc Pitt River near Lookout; Pitt River Comment
  UCD32683  Agrostis exarata Beecher Crampton 1954-7-6 2095 Modoc Modoc County, Road 56, following Shields Creek into Warner Mountains, 22 miles east of Alturas. 1676 Comment
  UCD32684  Agrostis exarata Beecher Crampton 1954-7-6 2096 Modoc Modoc County, Road 56, following Shields Creek into Warner Mountains, 22 miles east of Alturas. 1676 Comment
  UCD32730  Agrostis exarata Beecher Crampton 1954-7-8 2171 Modoc Mococ County, Warner Mountains, 15 miles east of Likely, along road to Jess Valley. 1676 Comment
  UCD52303  Agrostis exarata L. Whitney 1935-6-29 s.n. Modoc edge of Hackamore Reservoir. Comment
  UCD52346  Agrostis exarata August L. Hormay 1932-7-15 s.n. Modoc Pease Cabin, Modoc National Forest. Comment
  UCD52379  Agrostis exarata L. Whitney 1935-7-21 s.n. Modoc Happy Camp. Comment
  UC711820  Agrostis scabra Roxana S. Ferris and Laura Lorraine 1941-8-13 10567 Modoc about 1 mi e Patterson Ranger Station (East Creek); Modoc National Forest, Warner Mountains, East Creek Comment
  JEPS119853  Agrostis stolonifera Lowell Ahart, John Dittes 2012-7-10 18323 Modoc Ash Creek State Wildlife Area, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley. Comment
  CAS-BOT-BC242417  Agrostis variabilis Bruce Bartholomew; Barrett Anderson 1988-7-23 4576 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
  UC985643  Alisma plantago-aquatica Verne Grant and Irving Schneider 1947-7-22 8138 Modoc n of Alturas (by State Quarantine Station, Highway 395); North Fork of Pit River Comment
  UC1036060  Alisma plantago-aquatica Annie M. Alexander and Louise Kellogg 1946-6-3 4906 Modoc Fort Bidwell 1444 Comment
  CHSC117257  Alisma triviale Lowell Ahart; John Dittes 2016-7-14 21200 Modoc Strand of a new pond, south of Ash Creek Canal (now filled in), south of Ash Creek, Ash Creek State Wild Life Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. 1273 Comment
  CAS-BOT-BC445446  Alisma triviale Robert F. Thorne; J. Henrickson; C. W. Tilforth 1969-9-4 39088 Modoc Margin of N Fork of Pit River 3.4 mi N of Alturas where crossed by Hwy 395 1341 Comment
  RSA0011494  Alisma triviale Robert F. Thorne, Larry E. DeBuhr 1975-8-22 46969 Modoc North edge of Likely along south fork of Pit River 1357 Comment
  CAS-BOT-BC245007  Allium acuminatum Bruce Bartholomew 1990-6-17 5306 Modoc Vicinity of Emerson Camp near roadhead, E side of Warner Mts. 1750 Comment
  CAS-BOT-BC245011  Allium acuminatum Clare Butterworth Hardham 1961-6-18 7566 Modoc E side Cedar Pass. 1524 Comment
  CAS-BOT-BC245018  Allium acuminatum Alice Eastwood; John Thomas Howell 1940-6-1 8012 Modoc 6 mi. NE of Adin on road to Canby. Comment
  HSC29860  Allium acuminatum D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19464 Modoc Upper Rush Creek Campground about 8 mi. N of Adin on Hwy. 299 Comment
  JEPS56348  Allium acuminatum Frances D. Payne 1929-6-12 4 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  SJSU7600  Allium acuminatum H. L. Buckalew 1961-6-26 Modoc by Deep Creek Canyon, Warner Mts 1645 Comment
  UC1299633  Allium acuminatum Freed W. Hoffman 1955-7-13 4105 Modoc 1 mi e Cedar Pass Campground (rocky ridge on n side of road, Highway 8A now rt. 299); Modoc National Forest 1737 Comment
  CAS-BOT-BC244993  Allium bisceptrum var. bisceptrum Bruce Bartholomew 1991-8-6 6091 Modoc S Emerson Trail at stream between S Fork of Emerson Creek and Bearcamp Trail, Warner Mts. 2130 Comment
  JEPS2714 Image available Allium fimbriatum var. fimbriatum Mrs. R. M. Austin 1894-5-1 Modoc Goose Lake Valley Comment
  RSA540060  Allium lemmonii Bruce Bartholomew 1990-6-16 5279 Modoc Bear Flat, west side of Warner Mountains. 1830 Comment
  UC1299739  Allium lemmonii Freed W. Hoffman 1946-5-30 682 Modoc in pine woods not far from Canby (along Highway 86) Comment
  CAS-BOT-BC244961  Allium platycaule K. Paulson; Robert Paulson 1988-5-24 14 Modoc Granger Canyon, Warner Mts.. 1554 Comment
  CAS-BOT-BC244968  Allium platycaule K. Paulson; Robert Paulson 1989-6-14 131 Modoc Ca. 1.5 mi. NE of Cedar Pass, Warner Mts. 1920 Comment
  CAS-BOT-BC244977  Allium platycaule John H. Hatton 1911-6-13 68 Modoc Rush Creek. 1371 Comment
  POM204114  Allium platycaule J. T. Howell 1934-6-11 11920 Modoc Parker Creek, Warner Mts. 1585 Comment
  UC1036004  Allium platycaule Helen K. Sharsmith 1955-6-22 4484 Modoc just n Cedar Pass; Warner Mountains, Modoc National Forest 1889 Comment
  UC635212  Allium platycaule R. C. Wilson 1933-5-30 93 Modoc Rush Creek 1432 Comment
  HSC67123  Allium platycaule Dale McNeal 1980-6-2 2341 Modoc Above Hwy. 395, 9.7 mi. S of Davis Creek Comment
  JEPS47622  Allium platycaule E. H. Stiffen 1917-7-10 74 Modoc Bowman ranch Warner Mts., Bowman ranch 1828 Comment
  SEINET12048097  Allium platycaule Unknown 1945-1 43 Modoc grown at Pullman, WA, Cedar Pass to Cedar Peak, Warner Mts., E of Alturas Comment
  SEINET5641928  Allium platycaule Helen K. Sharsmith 1955-6-22 4484 Modoc Warner Mountains, Modoc National Forest.; 0 1890 Comment
  SEINET8191571  Allium platycaule M. J. Williams 1983-7-29 83- 116 -4 Modoc Warner Mountains, 1.1 mile N of Stowe Reservoir Campground, N of Cedar Pass. 2088 Comment
  UCD143203  Allium platycaule L. K. Mann 1955-6-5 s.n. Modoc Near Cedar Pass, 3 miles towards Alturas from Modoc National Forest. Comment
  RSA17427  Allium tolmiei Elmer I. Applegate 1932-7-9 7586 Modoc Open rocky north slope of Bidwell Mountain, Warner Mountains. Comment
  CHSC117801  Allium tolmiei var. tolmiei L. P. Janeway 2016-5-16 11971 Modoc Modoc Plateu. Devil's Garden area; along Road 47N07 1.8 road-km south of Road 181/73/47N09. 1573 Comment
  CHSC67138  Allium tolmiei var. tolmiei James D. Jokerst. 1987-5-11 Modoc Radar Survey Site S of Doublehead Mtn., S of Clear Lake Reservoir. 1353 Comment
  HSC30083  Allium tolmiei var. tolmiei D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-22 19314 Modoc Soup Springs Campground Comment
  CHSC109735  Allium validum B. Castro; L. P. Janeway 2012-7-27 1974 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
  UC23565  Allophyllum gilioides subsp. gilioides Milo S. Baker 1893-6-20 Modoc Comment
  CAS-BOT-BC242346  Alopecurus aequalis Leland S. Smith 1918-6-22 942 Modoc Willow Creek below Ranger Station. 1676 Comment
  CAS-BOT-BC242349  Alopecurus aequalis Leland S. Smith 1918-6-22 942 Modoc Willow Creek below Ranger Station. 1676 Comment
  SJSU9664  Alopecurus aequalis W. Savage 1979-7-9 1509 Modoc pond near ranch house, Triangle, Devils Garden District, Modoc National Forest 1493 Comment
  JEPS114830  Alopecurus geniculatus Lowell Ahart, John Dittes 2008-6-21 14997 Modoc On wet soil in the drying pond, north of the large culvert, east of the large levee, mountain meadow, in Big Valley, about 2.8 miles (air) northeast of the Headquarters at Ash Creek State Wildlife Area, about 5.4 miles (air) northeast of Bieber 1255 Comment
  UC60733  Alopecurus geniculatus M. S. Baker and Frank Nutting 1894-6-25 Modoc Little Hot Spring Valley Comment
  CAS-BOT-BC498761  Alopecurus geniculatus L. S. Smith 1924-6-21 1423 Modoc Modoc Forest Comment
  CDA43008  Alopecurus pratensis L. Ahart, John Dittes 2008-6-21 14988 Modoc 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. Comment
  CHSC99777  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
  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-BC242333  Alopecurus saccatus John H. Hatton 1911-6-22 137 Modoc unspecified - Modoc National Forest Comment
  RSA554806  Alyssum desertorum Margaret J. Williams 1988-6-2 s.n. Modoc Hwy 395 0.4 mile E of Susanville road after turn to Alturas. [Lassen county] Comment
Read comments
Jun 24 2009
  CAS-BOT-BC58604  Alyssum simplex James Vale 1981-5-21 Modoc Alturas. Comment
  CHSC99247  Amaranthus californicus Lowell Ahart; John Dittes 2008-6-21 14982 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
  JEPS117299  Amaranthus californicus Lowell Ahart, John 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, about 7.7 miles (air) northeast of Bieber, Big Valley 1274 Comment
  CHSC99903  Amaranthus powellii Lowell Ahart; John Dittes 2008-8-25 15290 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
  RSA768066  Amaranthus powellii L. Ahart, John Dittes 2010-8-31 17107 Modoc East side of Elkins Lane, about 100 yrds north of 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
  HSC80690  Amelanchier pallida G. M. Riegel 1976-7-3 452 Modoc S Warner Mtns. 1670 Comment
  SEINET4089909  Amelanchier pallida C. Davidson 1975-1 2588 Modoc Highway 395, north of Alturas; East of Goose Lake about 1 mile south of Willow Ranch. 1341 Comment
  RSA504634  Amelanchier pumila Bruce Bartholomew 1988-6-24 4315 Modoc Cave Lake, W side of the Warner Mountains. 2130 Comment
  CAS-BOT-BC214637  Amelanchier utahensis Belknap C. Goldsmith 1911-5-9 8 Modoc Fandango Creek, W slope Warner Mts. 1584 Comment
  UC1127787  Amelanchier utahensis R. C. Wilson 1933-6-4 36 Modoc Rush Creek; Modoc National Forest, Canby Quad. 1463 Comment
  CAS-BOT-BC54151  Amsinckia menziesii Annie Montague Alexander; L. Kellogg 1946-6-12 4727 Modoc 1 mi. E of Lake City. 1414 Comment
  CHSC67641  Amsinckia tessellata James D. Jokerst 1983-7-27 1917 Modoc E. side Hwy. 395 S of Alturas, N of Signal Butte. Comment
  SJSU9567  Ancistrocarphus filagineus W. Savage 1979-7-3 1309 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  UC1567367  Anemone drummondii G. Schoolcraft 1989-7-16 1961 Modoc e. Patterson Lake; Warner Mts. 2804 Comment
  CAS-BOT-BC15611  Antennaria argentea M. M. Hanna 1956-6-7 s.n. Modoc Hwy 139 between Canby and Tienesta. Comment
  CAS-BOT-BC15620  Antennaria argentea Bruce Bartholomew; Barrett Anderson 1988-7-22 4535 Modoc Mill Creek, Lake City Canyon, 5.5 km W of Lake City, E side of the Warner Mts.. 1860 Comment
  HSC4654  Antennaria argentea M. T. Milligan 1964-7-1 126 Modoc 6 mi. N of Hwy. 139 on FS Rd. 44N15 1524 Comment
  RSA503242  Antennaria argentea Bruce Bartholomew, B. Anderson 1988-7-22 4535 Modoc Mill Creek, Lake City Canyon, 5.5km W of Lake City, E side of the Warner Mtns. 1860 Comment
  CAS-BOT-BC15577  Antennaria dimorpha Bruce Bartholomew; Barrett Anderson 1989-4-29 4678 Modoc 9-11 km E of Fort Bidwell on road to Fee Reservoir, NE corner of Surprise Valley. 1580 Comment
  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
  UCD77337  Antennaria flagellaris Robert E. Preston 2000-6-1 1358 Modoc Modoc Plateau, along Hwy 139, ca. 2 mi e of Forest Service Road 44N11. 1487 Comment
  JEPS13176  Antennaria geyeri Milo S. Baker Modoc Lava Beds% Comment
  CAS-BOT-BC15596  Antennaria luzuloides Mrs. H. C. Cantelow 1941-5-23 3511 Modoc 2 mi. W of Adin, summit of Hwy 299. Comment
  CHSC107351  Antennaria luzuloides Lowell Ahart; John Dittes 2011-6-22 17554 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
  RSA0062305  Antennaria luzuloides Lowell Ahart, John Dittes 2011-6-22 17554 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
  UC1562882  Antennaria luzuloides Barbara Ertter 1988-6-18 7625 Modoc e of Tonesta 1 mi s of s jct to Lava Beds Nat'l Monument (Hwy 139 ca 50 airmi sw of Klamath Falls, a few mi n of Agric. Inspection Station); s of s jct to Lava Beds Nat'l Monument, sw of Klamath Falls 1310 Comment
  CHSC85132  Antennaria luzuloides subsp. aberrans John Dittes; Josephine Guardino 1991-6-1 371 Modoc Modoc Plateau; Big Valley; Ash Creek Wildlife Area; ca. 5.7 air-miles northeast of Bieber, ca. 7.6 air-miles west of Adin, ca. 1.5 air-mile southeast of Pilot Butte summit; at northern edge of Ash Creek Floodplain (Big Swamp) at southeast base of Pilot Butte. 1258 Comment
  SEINET475156  Antennaria luzuloides subsp. luzuloides Arnold Tiehm 1984-6-30 Modoc NW side of Bidwell Mt., 2.2 road miles north of 8 mile Creek on the road from Lake Annie Comment
  CAS-BOT-BC15563  Antennaria rosea subsp. rosea Louis Cutter Wheeler 1935-8-8 3808 Modoc N Fork Bidwell Creek. 2377 Comment
  JEPS114837  Apera interrupta Lowell Ahart, John Dittes 2008-6-21 14995 Modoc On damp soil, along the edge of the dying pond, north of the large culvert, east side of the large levee, mountain meadow, in Big Valley, about 2.8 miles (air) north of the Headquarters at Ash Creek State Wildlife Area, about 5.4 miles (air) northeast of 1255 Comment
  POM319166  Apocynum androsaemifolium subsp. pumilum Patricia Wilder 1971-6-20 5089 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
  RSA164334  Apocynum androsaemifolium subsp. pumilum Clare B. Hardham 1961-6-18 7599 Modoc Rte. 395, 3.3 miles south of Cedar Pass turn-off Comment
  UC1125881  Aquilegia formosa R. C. Wilson 1933-7-6 57 Modoc n Roney Flat; Canby quad, Modoc National Forest 1432 Comment
  UC202472  Aquilegia formosa I. Tidestrom 1910-6-25 3613 Modoc Sibley Draw Comment
  JEPS60393  Aquilegia formosa Frances D. Payne 1929-7-7 48 Modoc 2 mi sw Mt. Warren; Pine Creek Basin 2133 Comment
  CAS-BOT-BC218343  Aquilegia formosa var. formosa Bruce Bartholomew; Barrett Anderson 1990-7-20 5499 Modoc Tamarack Flat, E side of Warner Mts. 2150 Comment
  SEINET10899007  Arabis David B. Dunn, Paul Gallian 1971-6-2 Dunn 17778 Modoc 9 mi sw of canby on state hwy 299, in decomposed granite. In artemisia, very moist season of year with melting patches of snow. Pinus ponderosa-juniper assoc.30-45 deg slope. 1463 Comment
  HSC6522  Arabis glabra M. T. Milligan 1966-7-1 522 Modoc N end of Jess Valley. 1616 Comment
  RSA0126228  Arabis glabra Mrs. R. M. Austin 1895-04 414 Modoc Goose Lake. Comment
  NY112364  Arabis hirsuta R. J. Weatherby 1955-7-8 1624 Modoc 6 miles N of Ft. Bidwell, northern Warner Mtns. 1737.4 Comment
  SEINET5340266  Arabis holboellii var. pendulocarpa R. C. Rollins, K. W. Rollins 1981-6-1 81194 Modoc Warner Mountains, ca. 2 miles north of summit of road between Lake City and U.S. Hwy. 395. Comment
  SEINET195669  Arabis holboellii var. retrofracta Annie M. Alexander, Louise Kellogg 1946-6-27 4848 Modoc Two miles by road from Dismal Swamp north end of Warner Mountains. 914 Comment
  NY639749  Arabis puberula M. J. Williams 1988-5-30 8826- 4 Modoc Jess Valley, east of Likely, south of roadside rest 1524.0 Comment
  RSA152602  Arabis puberula I. L. Wiggins, Dorothy Wiggins 1961-6-12 16378 Modoc At junction of Cedar Pass road with California Highway 299, 5.5 miles N of Alturas. Comment
  CAS-BOT-BC248334  Arctostaphylos patula B. Bartholomew; H. Sun 2002-6-24 8814 Modoc Ridge top just S of Manzanita Mt. and 15.3 straight line km NW of Aden 2070 Comment
  HSC98187  Arctostaphylos patula M. T. Milligan 1964-5-9 36 Modoc 10 mi. N of Hwy. 139 on FS Rd. 44N15 1524 Comment
  JEPS51416  Arenaria aculeata L. S. Smith 1917-6-10 33 Modoc Warner Mts., Jess Valley 1524 Comment
  JEPS51492  Arenaria aculeata Frances D. Payne 1929-6-13 8 Modoc s and e of Alturas; Warner Mountains, Parker Creek 1584 Comment
  RSA610787  Arenaria congesta L. C. Wheeler 1935-9-12 3980 Modoc Devils Garden: 2 miles SW Poindexter Reservoir. 1524 Comment
  UC852275  Arenaria congesta var. subcongesta C. L. Hitchcock 1940-5-28 6728 Modoc 15 mi n Alturas (along sedge bank of stream) 1402 Comment
  UCD149890  Arnica chamissonis Harry A. George 1967-6-15 s.n. Modoc Whitehorse Flat Reservoir. Comment
  CAS-BOT-BC15572  Arnica chamissonis subsp. foliosa Bruce Bartholomew 1989-8-13 5145 Modoc Hunter Spring, just W of Knox Flat. 1800 Comment
  CAS-BOT-BC15574  Arnica chamissonis subsp. foliosa James T. Vale; K. Wagnon; Walter Knight; Irja Knight 1981-5-23 4130 Modoc From margin of Egg Lake on White Horse Road NW of Lookout. 1310 Comment
  CAS-BOT-BC15575  Arnica chamissonis subsp. foliosa Bruce Bartholomew 1991-7-6 5977 Modoc Curtis Waterhole and adjacent lava outcrops. 1310 Comment
  CAS-BOT-BC15401  Arnica cordifolia Betty J. Hammerly 1941-6-20 36 Modoc Clear Lake 1767 Comment
  CAS-BOT-BC15413  Arnica cordifolia Bruce Bartholomew 1990-6-15 5232 Modoc Flat between Deer Spring Ridge and Sweagert Flat. 1900 Comment
  HSC81146  Arnica cordifolia G. M. Riegel 1980-6-30 775 Modoc S Warner Mtns. 1670 Comment
  JEPS35917  Arnica cordifolia Frances D. Payne 1929-7-26 113 Modoc 2 mi sw Warren Peak; Warner Mts., Pine Creek Basin, Warren Peak 2133 Comment
  POM203854  Arnica cordifolia J. T. Howell 1934-6-13 12064 Modoc Fandango Pass, Warner Mountains. 1829 Comment
  JEPS35922  Arnica cordifolia Frances D. Payne 1931-6-29 297 Modoc Owl Creek, e of Warren Peak Warner Mountains, Warren Peak, Owl Creek 2133 Comment
  CHSC118093  Arnica fulgens L. P. Janeway 2016-5-18 12074 Modoc Modoc Plateau. Devils Garden area; Island Meadow, along Road 47N08 2.1 road-km north of Road 73/181/47N09. 1606 Comment
  SEINET6775047 Image available Arnica fulgens A. M. Alexander, L. Kellogg 1946-6-14 4748 Modoc 0.25 miles on branch to Silver Creek, Patterson Mill Rd. 1829 Comment
  UC936191  Arnica longifolia Annie M. Alexander and Louise Kellogg 1946-7-23 5055 Modoc Emerson Peak , Warner Mountains Comment
  CAS-BOT-BC15293  Arnica mollis Bruce Bartholomew 1990-8-5 5677 Modoc Summit Trail, ca. 4 km N of Patterson Ranger Station, W side of Warner Mts. 2470 Comment
  JEPS103190  Arnica mollis G. Schoolcraft 2000-7-17 2913 Modoc N Warner Mountains 1981 Comment
  JEPS35897  Arnica nevadensis Frances D. Payne 1929-7-26 133 Modoc Warren Peak Warner Mountains, Warren Peak 2743 Comment
  JEPS118462  Arnica sororia Lowell Ahart, John Dittes 2011-6-21 17530 Modoc Moist meadow, on south edge of Ash Creek Floodplain, 1.8 miles (air) east of Elkins Lane, 1.2 miles (air) south of County Road 87, 2.5 miles (air) west of Adin, Big Valley 1267 Comment
  CAS-BOT-BC242408  Arrhenatherum elatius Leland S. Smith 1919-6-2 1112 Modoc Deep Creek Ranger Station. 1493 Comment
  CHSC109449  Artemisia arbuscula B. Castro; L. P. Janeway 2012-7-24 1955 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. 2356 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
  UC711824  Artemisia cana subsp. bolanderi Roxana S. Ferris and Laura Lorraine 1941-8-13 10566 Modoc about 1 mi e Patterson Ranger Station (East Creek); Modoc National Forest, Warner Mountains, East Creek Comment
  UCR67454  Artemisia douglasiana George K. Helmkamp 1990-9-23 I- 17 Modoc Warner Mtns, Goose Lake, within 0.1 mi of the Oregon border 1476 Comment
  CAS-BOT-BC497198  Artemisia douglasiana John H. Hatton 1911-6-22 139 Modoc Modoc Forest Comment
  UC912560  Artemisia ludoviciana subsp. incompta F. H. Frost Modoc 2 mi above Cedarville (Cedar Camp); Warner Mountains Comment
  JEPS37031  Artemisia ludoviciana subsp. incompta L. S. Smith 1918-8-12 1032 Modoc Camp One 2499 Comment
  JEPS6002  Artemisia ludoviciana subsp. incompta Frances D. Payne 1933-8-6 776 Modoc 2 mi. sw. Warren Mountain (southwestern Modoc County); Pine Creek Basin 2316 Comment
  CAS-BOT-BC15266  Artemisia ludoviciana subsp. ludoviciana Louis Cutter Wheeler 1935-8-14 3848 Modoc Lily Lake. 2072 Comment
  JEPS117359  Artemisia ludoviciana subsp. ludoviciana Lowell Ahart, John Dittes 2010-8-30 17051 Modoc About 10 yards west of the fence, south edge of the meadow, Ash Creek State Wildlife Area, 2,300 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley 1267 Comment
  UC29669  Artemisia ludoviciana subsp. ludoviciana Mrs. R. M. Austin 1895-7-1 Modoc Davis Creek Comment
  UCR64882  Artemisia tridentata George K. Helmkamp 1990-9-23 H- 4 Modoc US Hwy 395, 13 mi north of Likely 1345 Comment
  CAS-BOT-BC15211  Artemisia tridentata subsp. tridentata Roxana Stinchfield Ferris; R. Duthie 1919-6-14 120 Modoc Parker Creek at Modoc National Forest boundary. Comment
  SEINET3397749  Artemisia tridentata subsp. wyomingensis Unknown 1994-1 s.n. Modoc 5 mi. N. of Likely Comment
  HSC65598  Asclepias cordifolia Thomas Wood 1979-8-9 232 Modoc Dirt road along Bidwell Creek, 2.7 mi. NW of jct. with Co. Hwy. 2. N of Fort Bidwell 1555 Comment
  CAS-BOT-BC15653  Asclepias cordifolia Robert Folger Thorne; C. W. Tilforth 1969-9-5 39152 Modoc Near Pine Creek Falls. 1752 Comment
  CAS-BOT-BC15666  Asclepias speciosa Bruce Bartholomew 1990-6-17 5285 Modoc Surprise Valley, SW side of Lower Alkali Lake, 1.8 km N of Lassen County border. 1370 Comment
  CHSC115560  Astragalus Lowell Ahart; John Dittes 2015-7-15 20342 Modoc About 300 yards northeast of the old barn, on the north side of the overgrown road, Ash Creek State Wildlife Area, about 3.9 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  CAS-BOT-BC218210  Astragalus canadensis var. brevidens C. C. (Mrs.) Bruce 1897-8-1 2213 Modoc Lake shore. Comment
  CDA26646  Astragalus curvicarpus T. C. Fuller 1965-6-2 13592 Modoc West side of Canby-Tulelake Highway, ca. 1 mile north of the Tulelake Quarantine Station. 0 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
  CHSC85169  Astragalus curvicarpus var. curvicarpus John Dittes; Josephine Guardino 1991-7-21 390 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
  NY803542  Astragalus curvicarpus var. curvicarpus A. A. Heller 1938-6-24 15225 Modoc On banks along U.S. Highway 299, between Alturas and Canby 1341 Comment
  CAS-BOT-BC182065  Astragalus filipes John Thomas Howell 1934-6-12 11986 Modoc Surprise Station. Comment
  JEPS126549  Astragalus filipes Lowell Ahart, John Dittes 2016-6-6 20948 Modoc About 150 yards southwest of the intersection of County Road 87 and Access Road to Pilot Butte Parking Area, northeast base of Pilot Butte, 3.8 miles (air) east of Lookout, 7.5 miles (air) west of Adin, Ash Creek State Wildlife Area. Comment
  NY658482  Astragalus filipes B. M. Bartholomew 1989-6-2 4811 Modoc NE side of Upper Lake, 4 km. S of road to Fee Reservoir, NE end of Surprise Valley 1420 Comment
  NY658498  Astragalus filipes C. L. Hitchcock 1940-5-27 6650 Modoc 9 miles Northeast of Alturas 1402.1 Comment
  POM24441  Astragalus filipes R. M. Austin 1895-06 s.n. Modoc Goose Lake Valley. 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
  CDA26667  Astragalus filipes T. C. Fuller 1965-6-3 13604 Modoc West side of Highway 395 to Alturas, 6.5 miles north of Likely. 0 Comment
  HSC14513  Astragalus filipes R. C. Wunner 1965-6-26 282 Modoc Lava Beds N. M., .1 mi. from Blue Eyes Point by side of road. Comment
  HSC14514  Astragalus filipes R. C. Wunner 1965-6-13 164 Modoc Lava Beds National Monument, Gillems Camp near old dump. 1220 Comment
  JEPS54662  Astragalus filipes L. S. Smith 1918-1 Modoc Warner Mts. Comment
  RSA152721  Astragalus filipes I. L. Wiggins, Dorothy B. Wiggins 1961-6-12 16433 Modoc S facing slope 4 miles E of summit of Cedar Pass, betw Alturas and Cedarville Comment
  RSA415802  Astragalus filipes Christopher Davidson 1973-5-24 2106 Modoc S of Alturas on County Rd 63 off Hwy 395 near Likely. 1311 Comment
  UC727151  Astragalus filipes A. A. Heller 1938-6-24 15226 Modoc on U.S. Highway #299 between Alturas and Canby; between Alturas and Canby 1341 Comment
  UC748310  Astragalus filipes Annie M. Alexander and Louise Kellogg 1946-6-12 4743 Modoc e side Fandango Pass Road; Fandango Pass Road e side Comment
  POM24786  Astragalus gibbsii R. M. Austin 1895-07 47 Modoc Goose Lake Comment
  POM253263  Astragalus gibbsii A. A. Heller 1938-6-24 15225 Modoc U. S. Highway 299, between Alturas and Canby. 1341 Comment
  UC397292  Astragalus malacus Mrs. M. H. Manning May 1907 Modoc Warner Range 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
  UC863143  Astragalus purshii var. lagopinus Lewis S. Rose 1940-6-14 40583 Modoc 5 mi w Perez; Mammoth Cave, w of Perez 1280 Comment
  CHSC117878  Astragalus purshii var. purshii L. P. Janeway 2016-5-16 11994 Modoc Modoc Plateau. Devils Garden area; along Road 47N07 1.8 road-km south of Road 181/73/47N09. 1573 Comment
  CAS-BOT-BC193030  Astragalus purshii var. tinctus Robert J. Weatherby 1955-7-8 1636 Modoc 3 miles north of Ft. Bidwell, northern Warner Mts. 1554 Comment
  UC71811  Astragalus purshii var. tinctus Mrs. M. H. Manning 1903-5 97 Modoc near Fort Bidwell (north-eastern Modoc County); near Fort Bidwell Comment
  NY694433  Astragalus purshii var. tinctus R. C. Barneby 1982-5-26 17843 Modoc 7 miles east of Madeline Comment
  RSA11933  Astragalus whitneyi var. confusus Elmer I. Applegate 1932-8-1 8015 Modoc Warren Peak, Warner Mountains. Comment
  CAS-BOT-BC182002  Astragalus whitneyi var. lenophyllus Bruce Bartholomew; Barrett Anderson 1988-5-13 4171 Modoc Ca. 1 km SE of Parker Creek Road on West Warner Road, W side of the Warner Mts.. 1710 Comment
  CAS-BOT-BC182013  Astragalus whitneyi var. lenophyllus Alice Eastwood; John Thomas Howell 1940-6-11 8011 Modoc 6 mi. NE of adin on road to Canby. Comment
  SEINET6627113  Athyrium distentifolium var. americanum D. A. Charlet 1989-8-18 565 Modoc Warner Mountains, 3.7 km north of Eagle Peak 2682 Comment
  CAS-BOT-BC58460  Athysanus pusillus Bruce Bartholomew; Mona Bourell 1990-4-26 5157 Modoc 0.5 km S of Day. 1100 Comment
  SBBG117943  Athysanus pusillus R. C. Rollins, K. Rollins 1981-6-1 81189 Modoc Cedar Summit between Alturas and Cedarville, off St Hwy 299 1889 Comment
  CAS-BOT-BC95504  Atriplex argentea var. argentea Alice Eastwood; John Thomas Howell 1940-6-12 8100 Modoc Midway between Likely and Alturas. Comment
  JEPS117501  Atriplex argentea var. argentea Lowell Ahart, John Dittes 2010-8-31 17137 Modoc About 400 yards west of Elkins Lane and the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley 1267 Comment
  CAS-BOT-BC95505  Atriplex confertifolia Bruce Bartholomew 1989-8-11 5079 Modoc E side of Surprise Valley at Nevada border on State Hwy 299. 1500 Comment
  JEPS121188  Atriplex rosea Lowell Ahart, John Dittes 2013-7-25 18956 Modoc Along the N-S fence, S edge of Ash Creek floodplain, NW of Patterson Homestead, E of Elkins Lane, 1.0 air mile S of County Road 87, 3.14 air miles W of Adin, Big Valley. Comment
  UC42327  Azolla filiculoides Mrs. R. M. Austin June, 1894 Modoc Cold Spring; Willow Creek Valley Comment
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Jul 6 2010
  UCD149842  Balsamorhiza hirsuta Harry George 1967-6-15 s.n. Modoc Lookout. Comment
  CAS-BOT-BC218199  Balsamorhiza hookeri F. Angwin 1946-5-16 s.n. Modoc Big Valley near Adin 1280 Comment
  UC30509  Balsamorhiza hookeri Mrs. R. M. Austin and Bruce 1898-7-1 2179 Modoc fields Goose Lake Goose Lake Comment
  RSA488039  Balsamorhiza hookeri var. lagocephala Bruce Bartholomew, B. Anderson 1988-5-12 4130 Modoc 13 km NNE of Adin on State Highway 229 at turnoff to Higgins Flat on USFS road 41N11. 1440 Comment
  CAS-BOT-BC15190  Balsamorhiza hookeri var. lanata E. S. Willits 1940-5-4 212 Modoc Willow Ranch. 1371 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
  SEINET3141609  Balsamorhiza sagittata E. K. Balls 1950-5-10 15966 Modoc .5 mi. E past fork on Hwy. 395 & rd. rom Alturas 1585 Comment
  UC190642  Balsamorhiza sagittata M. F. Gilman 523 Modoc 1524 Comment
  SEINET11841141  Balsamorhiza serrata W. A. Weber 1953-1 8455 Modoc 23 mi NW of Davis Creek, W shore of Goose Lake 1463 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
  RSA210785  Beckmannia syzigachne R. F. Thorne, J. Henrickson, C. W. Tilforth 1969-9-4 39091 Modoc 3.4 mi N of Alturas where crossed by Hwy 395; N Fork of Pit River. 1067 Comment
  CDA31542  Beckmannia syzigachne G. D. Barbe, John Kelley 1988-7-2 4298 Modoc Modoc National Wildlife Refuge, southeast of Alturas. 0 Comment
  UC472310  Berberis aquifolium var. aquifolium Franklin P. Nutting 1890-1 Modoc Big Valley Mts Comment
  CAS-BOT-BC54221  Berberis aquifolium var. repens Bruce Bartholomew 1989-8-12 5122 Modoc South Fork of Pine Creek where it crosses West Warner Road, W side of Warner Mountains. 1900 Comment
  SBBG2288  Berberis aquifolium var. repens H. and M. Dearing 1939-6-8 3597 c Modoc Pine Cyn, Warner Mtns Comment
  UC9740  Berberis aquifolium var. repens Mrs. R. M. Austin and Bruce July 1898 2351 Modoc hills Modoc Co. Comment
  SEINET6426068 Image available Bergia texana Herbert L. Mason 1947-1 13462 Modoc Southwest margin of Big Sage Reservoir, northwest of Alturas Comment
  UC71756  Betula glandulosa Mrs. M. H. Manning 1903-8-22 306 Modoc Warner Range Warner Range (ne Modoc Co.) 2133 Comment
  CAS-BOT-BC54191  Betula occidentalis Bruce Bartholomew 1990-6-17 5294 Modoc Along Emerson Creek, 2.8 km SW of County Rd 1, E side of Warner Mts. 1600 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
  RSA504627  Betula occidentalis Bruce Bartholomew, B. Anderson 1988-6-24 4350 Modoc South Barber Creek, 6.3 km SW of Country Road 1 on Country Road 42, E side of the Warner Mountains. 1790 Comment
  CDA39611  Betula occidentalis T. C. Fuller 1971-7-14 19907 Modoc South Barber Creek at crossing with Barber Grade. 0 Comment
  CAS-BOT-BC218113  Bistorta bistortoides Annie Montague Alexander; L. Kellogg 1946-7-18 5022 Modoc Benton Meadow, Warner Mts. 2072 Comment
  CAS-BOT-BC15083  Blepharipappus scaber David D. Keck; J. Clausen 1919-6-13 72 Modoc 3 mi. NE of Willow Ranch, E of Goose Lake 1550 Comment
  CAS-BOT-BC15123  Blepharipappus scaber R. M. Austin 1886-6-1 Modoc Goose Lake Valley. Comment
  HSC2225  Blepharipappus scaber C. L. Hitchcock 1940-5-27 6670 Modoc 15 mi NE of Alturas 1616 Comment
  UC894097  Blepharipappus scaber C. L. Hitchcock 1940-5-27 6670 Modoc 15 mi ne of Alturas 1615 Comment
  UC912529  Blepharipappus scaber F. H. Frost 1925-7-20 93 Modoc 2 mi above;, Cedar Camp Cedarville; Warner Mts., Cedar Camp Comment
  CAS-BOT-BC15091  Blepharipappus scaber Annie Montague Alexander; L. Kellogg 1946-6-10 4709 Modoc Slope N of Snake Lake. Comment
  RSA508244  Blepharipappus scaber F. R. Fosberg 1957-8-18 38851 Modoc Upper Rush Creek Camp Ground, northeast of Adin. 1600 Comment
  SEINET11261377  Blepharipappus scaber David D. Keck, J. Clausen 1935-6-23 3711 Modoc 3 mi northeast of Willow Ranch, east of Goose Lake.; 0 1554 Comment
  UC1368465  Blepharipappus scaber R. K. Gierisch 1969-7-15 3541 Modoc 1524 Comment
  UC35784  Blepharipappus scaber Mrs. R. M. Austin and Bruce 1898-7-1 2322 Modoc Davis Creek Comment
  UC468912  Blepharipappus scaber M. F. Gilman 653 Modoc 5000 ft Comment
  UC1567371  Boechera davidsonii G. Schoolcraft 1989-7-17 1967 Modoc e of Patterson Lake; Warner Mts. 2804 Comment
  CAS-BOT-BC58289  Boechera lemmonii Elmer Ivan Applegate 1932-8-3 8123 Modoc Summit of Warner Mts. just N of Eagle Peak. Comment
  CAS-BOT-BC14067  Boechera microphylla Annie M. Alexander; Louise Kellogg 1946-7-24 5074 Modoc Warner Mountains. Horse Mountain. Comment
  CAS-BOT-BC95733  Boechera pauciflora Roxana Stinchfield Ferris; R. Duthie 1919-6-14 122 Modoc Parker Creek, Warner Mts. 2133 Comment
  UC1563656  Boechera pauciflora Barbara Ertter 1988-6-18 7643 Modoc n of Adin (Adin Summit, on Hwy 299); Adin Summit 1584 Comment
  CAS-BOT-BC58565  Boechera platysperma Annie Montague Alexander; L. Kellogg 1946-8-1 5107 Modoc Eagle Peak, Warner Mts. Comment
  CAS-BOT-BC100298  Boechera puberula Roxana Stinchfield Ferris; R. Duthie 1919-6-14 65 Modoc Above Parker Creek, near Nat. Forest Boundary. Comment
  SJSU9699  Boechera puberula W. Savage 1979-7-10 1535 Modoc Oregon Rim Unit, Devils Garden District, Modoc National Forest 1645 Comment
  CAS-BOT-BC58294  Boechera retrofracta E. S. Willits 1940-5-6 225 A Modoc Davis Creek. Comment
  CHSC13737  Boechera retrofracta J. Grove 1973-5-1 91 Modoc Collected ca. 5 mi w of Day. 1005 Comment
  CAS-BOT-BC25709  Boechera sparsiflora B. Bartholomew 1990-6-16 5273 Modoc Between roadhead and Pine Creek Basin, west side of Warner Mountains. 2180 Comment
  CAS-BOT-BC25898  Boechera subpinnatifida B. Bartholomew 1995-6-24 7022 Modoc 2.6 km north off to Tionesta on State highway 139. 1250 Comment
  RSA166312  Boisduvalia stricta D. M. Moore 1960-6-4 121 Modoc 7.4 mi. W of Adin on road to Lookout. Comment
  RSA600323  Boisduvalia stricta Louis C. Wheeler 1935-8-19 3898 Modoc Devil's Garden: Pine Spring. 1524 Comment
  CAS-BOT-BC242401  Bromus briziformis Gordon H. True 1964-6-3 1454 Modoc N fork Pit River between Alturas and Goose Lake. 1463 Comment
  CAS-BOT-BC242446  Bromus briziformis Bruce Bartholomew; Barrett Anderson 1989-6-3 4859 Modoc Crowder Flat Road at Fletcher Creek. 1550 Comment
  UCD32701  Bromus briziformis Beecher Crampton 1954-7-6 2119 Modoc Modoc County, Road 56, following Shields Creek into Warner Mountains, 22 miles east of Alturas. Comment
  UCD57491  Bromus briziformis Leo Whitney 1934-5-19 2169 Modoc Northeast portion of county. Modoc National Forest. Devil's Garden. Timbered Mountain. 1524 Comment
  CAS-BOT-BC242426  Bromus carinatus var. carinatus Leland S. Smith 1924-5-26 s.n. Modoc Pit River, near Ranger Station. 1371 Comment
  CAS-BOT-BC242429  Bromus carinatus var. carinatus Leland S. Smith 1924-5-31 s.n. Modoc Egg Lake Ranch in Alfalfa field. Comment
  JEPS69182  Bromus carinatus var. carinatus Leland S. Smith 1917-7-10 104 Modoc Modoc National Forest, Granger Mill Granger Mill; Modoc National Forest, Granger Mill 1889 Comment
  UC1024859  Bromus carinatus var. carinatus Leo Whitney 1935-6-1 3171 Modoc 1 mi sw of White Horse Comment
  UC1024889  Bromus carinatus var. carinatus Leo Whitney 1935-5-25 3127 Modoc 15 mi nw of Canby (Modoc National Forest, Lake Joaquina, Hackamore); Modoc National Forest, Lake Joaquina, Hackamore 1463 Comment
  UC1037151  Bromus carinatus var. carinatus Leo Whitney 1935-7-6 3413 Modoc Pit River near Lookout Pit River Comment
  JEPS69152  Bromus carinatus var. carinatus Leland S. Smith c. 1917 807 Modoc Comment
  UCD59153  Bromus carinatus var. marginatus August L. Hormay 1932-7-16 s.n. Modoc Modoc National Forest, Crowder Ranger Station. Comment
  UC70668  Bromus commutatus Mrs. M. H. Manning June 1903 417 Modoc in north-eastern Modoc County Modoc County; north-eastern Modoc County Comment
  HSC9229  Bromus hordeaceus M. T. Milligan 1965-6-23 308 Modoc N end Jess Valley 1616 Comment
  UC1024711  Bromus hordeaceus Leo Whitney 1934-5-24 2132 Modoc 15 mi nw of Canby (Modoc National Forest, Hackamore); Modoc National Forest, Hackamore 1463 Comment
  CAS-BOT-BC242464  Bromus japonicus Bruce Bartholomew; Barrett Anderson 1990-7-21 5593 Modoc Parker Creek Road, ca. 1.6 km E of Modoc National Forest boundary, W side of Warner Mts. 1650 Comment
  CDA1828  Bromus japonicus T. C. Fuller 1958-7-8 1947 Modoc Corporation Ranch, Likely. 0 Comment
  UCD57992  Bromus japonicus Louis C. Wheeler 1973-8-23 s.n. Modoc Big Mud Lake. Comment
  UC1025047  Bromus japonicus Leo Whitney 1935-8-10 3612 Modoc Pit River, Alturas Alturas; Pit River, Alturas 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
  CAS-BOT-BC242456  Bromus tectorum Clare Butterworth Hardham 1961-6-17 7524 Modoc Cedar Pass Camp Ground. Comment
  UCD59852  Bromus tectorum August L. Hormay 1932-7-15 s.n. Modoc Modoc National Forest, Pease Cabin. Comment
  UCD59876  Bromus tectorum Annie M. Alexander; Louise Kellogg 1946-6-18 4795 Modoc Patterson Mill--Silver Creek roads. 1828 Comment
  SEINET3923573  Bromus tectorum Leo Whitney 1935-5-26 3155 Modoc Ash Ceek, 10 miles east of Adin.; 0 Comment
  UC7736  Calandrinia ciliata Milo S. Baker 1893-7-1 Modoc shore Egg Lake 1371 Comment
  CHSC117031  Callitriche fassettii Lowell Ahart; John Dittes 2016-6-6 20968 Modoc About 100 yards east of the Parking Area, about one mile south of the intersection of County Rd. 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
  UCR207996  Callitriche hermaphroditica L. C. Wheeler 1935-8-22 3904 Modoc Devil's Garden: South Mt. Reservoir 1524 Comment
  CAS-BOT-BC95101  Callitriche palustris Verne Grant; I. Schneider 1947-7-22 8136 Modoc North Fork of Pit River by State Quarantine Station, Highway 395, N of Alturas. Comment
  CAS-BOT-BC85788  Calocedrus decurrens A. D. Borden 1911-8-9 s.n. Modoc Buck Creek Ranger Station S. of Shields Cr. Comment
  HSC15399  Calochortus leichtlinii M. T. Milligan 1966-6-29 484 Modoc N end of Jess Valley 1616 Comment
  CHSC67722  Calochortus longebarbatus J. D. Jokerst 1983-7-14 1841 Modoc NW of Aden, center of south edge of Township/Range. 150 meters SW of logging road. Comment
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Jul 6 2007
  CAS-BOT-BC244927  Calochortus longebarbatus var. longebarbatus Bruce Bartholomew 1989-7-14 4966 Modoc Ca. 8 km NW of Lookout. 1300 Comment
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Aug 4 2018
  UC1036061  Calochortus macrocarpus Annie M. Alexander and Louise Kellogg 1946-7-5 4907 Modoc w of Lower Lake; Lava Cliff Comment
  UC1134493  Calochortus macrocarpus R. C. Wilson 1933-7-18 68 Modoc s slope Barber Ridge; Modoc National Forest, Canby Quad. 1463 Comment
  UC725405  Calochortus macrocarpus A. A. Heller 1940-6-29 15747 Modoc about 5 mi w Alturas (on U.S. Highway 299) Comment
  UCD139541  Calochortus macrocarpus A. J. Van Orsdel 1935-7-11 s.n. Modoc Clear Lake. Comment
  HSC15363  Calochortus macrocarpus var. macrocarpus M. T. Milligan 1966-7-7 563 Modoc Slopes and ridges east of Jess Valley 1768 Comment
  UC7767  Calyptridium umbellatum Milo S. Baker 1893-8-5 Modoc Medicine Lake 1828 Comment
  CAS-BOT-BC95588  Calystegia occidentalis subsp. occidentalis John Thomas Howell 1934-6-13 12083 Modoc Fandango Pass. 1828 Comment
  HSC25992  Calystegia occidentalis subsp. occidentalis D. H. Norris, S. Dowty, T. Nelson 1971-6-23 19480 Modoc Upper Rush Creek Campground, about 8 mi. N of Adin on Hwy. 299 Comment
  HSC80944  Calystegia occidentalis subsp. occidentalis G. M. Riegel 1979-7-21 588 Modoc S Warner Mtns. 1670 Comment
  UC912344  Calystegia occidentalis subsp. occidentalis F. H. Frost 1924-7-24 123 Modoc Jess Valley , Jess Valley (Warner Mts.) Comment
  CAS-BOT-BC242127  Camassia quamash subsp. breviflora Bruce Bartholomew 1990-6-15 5237 Modoc SE corner of Sweagert Flat. 1860 Comment
  UC71741  Camassia quamash subsp. breviflora Mrs. M. H. Manning 1903-5 145 Modoc Fort Bidwell, in north eastern Modoc County Fort Bidwell Comment
  RSA17455  Camassia quamash subsp. breviflora Elmer I. Applegate 1929-6-24 5897 Modoc Davis Creek, east side of Goose Lake Valley Comment
  JEPS121200  Camelina microcarpa Lowell Ahart, John Dittes 2013-7-25 18951 Modoc About 100 yards N of the E-W fence, S edge of Ash Creek floodplain, NE of Patterson Homestead, E of Elkins Lane, 1.0 air mile S of County Road 87, 3.14 air miles W of Adin, Big Valley. Comment
  CAS-BOT-BC191122  Camissonia andina Alice Eastwood; John Thomas Howell 1940-6-15 8291 Modoc 9 mi. N of Lookout. Comment
  CAS-BOT-BC191134  Camissonia andina Bruce Bartholomew 1990-6-18 5378 Modoc Crowder Flat Rd, 0.3 km N of turn off to Big Sage Reservoir. 1480 Comment
  CAS-BOT-BC191115  Camissonia claviformis subsp. cruciformis Bruce Bartholomew 1991-6-22 5852 Modoc E side of Surprise Valley, 8.3 km E of Eagleville. 1430 Comment
  NY851235  Camissonia claviformis var. cruciformis B. M. Bartholomew 1991-5-24 5704 Modoc Surprise Valley, 6.6 km east of Eagleville 1390 Comment
  NY851345  Camissonia contorta B. M. Bartholomew 1995-5-13 6912 Modoc 2.7 km northeast of County Road 38 on County Road 37, east side of the south end of Surprize Valley 1410 Comment
  NY852076  Camissonia tanacetifolia B. M. Bartholomew 1988-5-13 4176 Modoc West side of Jess Valley on West Warner Road, west side of the Warner Mountains 1600 Comment
  POM211894  Camissonia tanacetifolia J. T. Howell 1934-6-12 12000 Modoc 6 miles S of Davis Creek. Comment
  CAS-BOT-BC160855  Camissonia tanacetifolia subsp. tanacetifolia Lillian Mott 1976-5-29 2 LM76 Modoc Big Sage Reservoir road, Devil's Garden, north of Alturas 1402 Comment
  CAS-BOT-BC191080  Camissonia tanacetifolia subsp. tanacetifolia Mrs. H. C. Cantelow 1940-5-31 4044 Modoc 0.8 mi. E of Canby. Comment
  CAS-BOT-BC191092  Camissonia tanacetifolia subsp. tanacetifolia John Thomas Howell 1934-6-12 12000 Modoc 6 mi. S of Davis Creek. Comment
  POM204166  Camissonia tanacetifolia subsp. tanacetifolia J. T. Howell 1934-6-15 12196 Modoc Dorris Reservoir, 2 miles east of Alturas Comment
  RSA453342  Camissonia tanacetifolia subsp. tanacetifolia George Willet 1935-6-13 s.n. Modoc 4 miles east of Likely 1524 Comment
  SEINET8039218  Campanula scouleri M. J. Williams 1984-7-1 84- 86 -2 Modoc 3.1 road miles N of Hwy 299 on Crowder Flat Road. 1951 Comment
  CHSC106323  Capsella bursa-pastoris Lowell Ahart; John Dittes 2010-8-31 17129 Modoc Elkins Lane, at the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  UC711893  Cardamine breweri Roxana S. Ferris and Laura Lorraine 1941-8-13 10527 Modoc Patterson Ranger Station Modoc National Forest, Warner Mts, East Creek drainage (East Creek drainage, Warner Mountains) 2164 Comment
  NY119875  Cardamine breweri B. M. Bartholomew 1989-6-3 4862 Modoc Quaking Aspen Spring, between Goose Lake and Clear Lake Reservoir 1500 Comment
  CAS-BOT-BC58426  Cardamine breweri var. breweri Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10527 Modoc Patterson Ranger Station (East Creek drainage), Warner Mts. 2164 Comment
  CAS-BOT-BC58431  Cardamine breweri var. breweri Louis Cutter Wheeler 1935-8-16 3864 Modoc Dismal Swamp, Warner Mts. 2225 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
  UCR34820  Carex J. A. Harpel 1981-8-6 V 3 Modoc Warner Mtns, South Warner Wilderness Area: E end of Patterson Lake, 7 mi NW of Eagleville 2744 Comment
  CAS-BOT-BC242326  Carex aquatilis var. aquatilis Louis Cutter Wheeler 1935-8-16 3871 Modoc Dismal Swamp, Twenty-Mile Creek. 2225 Comment
  CHSC117018  Carex athrostachya Lowell Ahart 2016-6-6 20964 Modoc About 100 yards east of the Parking Area, about one miles 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
  HSC48005  Carex athrostachya D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19501 Modoc Big Valley Summit, 6 mi. W of Adin on Hwy. 299 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
  UC1776714  Carex feta G. Schoolcraft 1996-7-23 2544 Modoc E. of Yankee Jim Ranch about 12 miles SE of Alturas 1645 Comment
  JEPS109251  Carex filifolia D. W. Taylor 2007-5-17 20114 Modoc Egg Lake, near western portion of the lake at Duck Hole. Comment
  CAS-BOT-BC245184  Carex hoodii Annie Montague Alexander; L. Kellogg 1946-7-19 5031 Modoc Benton Meadow. 2072 Comment
  HSC75582  Carex hoodii G. M. Riegel 1979-7-5 489 Modoc S Warner Mtns. 1670 Comment
  CAS-BOT-BC245138  Carex inops subsp. inops Bruce Bartholomew 1989-7-15 5016 Modoc Manzanita Lookout, top of Manzanita Mountain. 2130 Comment
  CHSC109477  Carex luzulina L. P. Janeway; B. Castro 2012-7-27 11021 Modoc Warner Mountains. North-sloping meadow opening just above Mineral spring, 0.5 air km east of Yellow Mountain. 2361 Comment
  UC1100496  Carex nebrascensis Herbert L. Mason, Verne Grant 1947-7-10 13354 Modoc 1/4 mi w Dorris Reservoir (2 mi e of Alturas) Comment
  UC70018  Carex nebrascensis Mrs. M. H. Manning 1903-5 439 Modoc north-eastern Modoc County Comment
  UC1536800  Carex nebrascensis Gordon H. True Jr. 1939-6-25 992 Modoc nw Alturas; Boles Meadow Comment
  CAS-BOT-BC119034  Carex pellita Herbert L. Mason; Verne Grant 1947-7-12 13423 Modoc Irrigation ditch near S end of W side road, along RR tracks, Pit River Valley, S of Alturas. Comment
  CAS-BOT-BC242356  Carex pellita Peter Hamilton Raven; Otto Thomas Solbrig 1958-6-17 13306 Modoc Along Hwy 299, 2.6 mi. W of Alturas. Comment
  CAS-BOT-BC242359  Carex pellita Annie Montague Alexander; L. Kellogg 1946-7-7 4931 Modoc Eight Mile Creek. Comment
  CHSC108019  Carex pellita Lowell Ahart; John Dittes 2011-6-21 17528 Modoc About 100 yards west of the parking Area west of the old barn, on the west side of Elkins Lane, Ash Creek State Wildlife Area, 320 feet north of Lassen County Line, about 4.4 miles (air) west of Adin, about 7.2 miles (air) northeast of Bieber, Big Valley. 1268 Comment
  CHSC110984  Carex pellita Lowell Ahart 2012-7-12 18368 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 Biebder, Big Valley. 1266 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
  CAS-BOT-BC118321  Carex praegracilis E. K. Balls 1950-5-10 14603 Modoc Below Monlo Baths, west shore Lower Alkali Lake 1402 Comment
  CAS-BOT-BC245155  Carex praegracilis B. Bartholomew; B. Anderson 1989-6-1 4757 Modoc ca. 0.5 km W of Davis Creek on road to W end of Goose Lake 1460 Comment
  HSC7151  Carex rostrata M. T. Milligan 1966-6-30 505 Modoc Slopes and ridges E of Jess Valley 1768 Comment
  JEPS114870  Carex sheldonii Lowell Ahart, John Dittes 2008-8-25 15292 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
  SJSU9612  Carex simulata W. Savage 1979-7-6 1388 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  UC1100576  Carex simulata Verne Grant, Irving Schneider 1947-8-28 8338 Modoc nw Alturas; Jack Swamp Comment
  HSC75587  Carex straminiformis G. M. Riegel 1979-7-30 625 Modoc S Warner Mtns. 1829 Comment
  UC1024332  Carex straminiformis Annie M. Alexander and Louise Kellogg 1946-7-17 5007 Modoc Benton Meadow Warner Mountains 2072 Comment
  CAS-BOT-BC245145  Carex subfusca Barrett Anderson 1986-7-9 3184 Modoc Stough Reservoir Rd just E of Cedar Pass near Stough Reservoir. 1965 Comment
  CHSC30496  Castilleja angustifolia N. E. H. Prouty 1980-5-25 165 Modoc Comment
  SJSU9703  Castilleja applegatei W. Savage 1979-7-10 1530 Modoc Oregon Rim Unit, Devils Garden District, Modoc National Forest 1645 Comment
  CAS-BOT-BC225987  Castilleja applegatei subsp. pinetorum Mrs. H. C. Cantelow 1940-6-1 s.n. Modoc Cedar Pass, Warner Mountains 1935 Comment
  CAS-BOT-BC229817  Castilleja applegatei subsp. pinetorum M. M. Hanna 1956-6-7 1008 Modoc Hwy 139 between Canby and Tienesta. Comment
  CAS-BOT-BC248340  Castilleja applegatei subsp. pinetorum B. Bartholomew; H. Sun 2002-6-24 8807 Modoc Ridge top just S of Manzanita Mt. and 15.3 straight line km NW of Aden 2070 Comment
  CHSC109456  Castilleja applegatei subsp. pinetorum B. Castro; L. P. Janeway 2012-7-24 1952 Modoc Warner Mountains. Northwestern flank of Mount Bidwell; ca 0.6 air mi S of Dismal Swamp, off upper edge of open lodgepole pine forest. 2359 Comment
  CHSC117769  Castilleja applegatei subsp. pinetorum L. P. Janeway 2016-5-18 12058 Modoc Modoc Plateau. Northeast corner of the Devils Garden area; along Road 47N37 0.6 km north of Road 73/181/47N09. 1626 Comment
  JEPS86368  Castilleja applegatei subsp. pinetorum Jack and Betty Guggolz 1988-6-27 952 Modoc ne of Jenkins Springs Comment
  JEPS9197  Castilleja applegatei subsp. pinetorum Rimo Bacigalupi with L. R. Heckard, George Bacigalupi and Ruth Sanderson 1952-6-19 3745 Modoc 7 mi e Cedar Pass road junction with U.S. Hwy. 399 (along road to Cedar Pass) 1584 Comment
  RSA185375  Castilleja applegatei subsp. pinetorum Clare B. Hardham 1961-6-18 7595 Modoc Warner Mountains, Davis Creek. 2134 Comment
  RSA26485  Castilleja applegatei subsp. pinetorum Alice Eastwood, John T. Howell 1940-6-13 8144 Modoc Fandango Pass. Comment
  RSA46752  Castilleja applegatei subsp. pinetorum J. T. Howell 1934-6-13 12100 Modoc North Fk. of Barber Creek. Warner Mts. 1829 Comment
  UC199394  Castilleja applegatei subsp. pinetorum Franklin P. Nutting Modoc near Egg Lake Comment
  CAS-BOT-BC226007  Castilleja arachnoidea Elmer Ivan Applegate 1932-8-1 8012 Modoc Crest of Warner Mountains just S of Warren Peak. Comment
  CHSC109740  Castilleja arachnoidea B. Castro; L. P. Janeway 2012-7-26 1971 Modoc Warner Mountains. Top of Yellow Mountain; topmost part and western edge (at the edge of a steep dropoff to the northwest). 2453 Comment
  CHSC70480  Castilleja arachnoidea A. Sanger 1997-6-23 2542 Modoc End of road on east side of Bald Mountain. 2255 Comment
  CAS-BOT-BC226018  Castilleja chromosa Bruce Bartholomew; Barrett Anderson 1989-4-29 4677 Modoc 6.4 km E of Fort Bidwell on road to Fee Reservoir, NE corner of Surprise Valley. 1460 Comment
  CAS-BOT-BC226024  Castilleja lacera K. Paulson; Robert Paulson 1988-6-19 40 Modoc W of Cranby Bridge. 1310 Comment
  CAS-BOT-BC226032  Castilleja lacera David Daniels Keck; Jens Chr. Clausen 1935-6-24 3720 Modoc 14 mi. S of New Pine Creek. 1525 Comment
  UC1063397  Castilleja lacera R. C. Wilson 1933-6-21 86 Modoc Stone Coal Valley Creek; Modoc National Forest, Canby Quad. 1402 Comment
  JEPS79129  Castilleja lacera L. R. Heckard with R. Bacigalupi 1980-6-10 5233 Modoc about 10 mi nw Lookout (along Great Northern Railroad grade) Comment
  JEPS8722  Castilleja linariifolia W. I. Follett 1942-9-10 138 Modoc Cowhead Lake, ne corner of Modoc County Cowhead Lake Comment
  JEPS10874  Castilleja miniata L. S. Smith 1917-7-18 839 Modoc Soldiers Creek Comment
  JEPS27956  Castilleja miniata Frances D. Payne 1931-7-4 316 Modoc Parker Creek, w slope of the Warner Range Parker Creek; Warner Range 1584 Comment
  CAS-BOT-BC32565  Castilleja ochracea Alice Eastwood; John Thomas Howell 1940-6-11 8016 Modoc 7 miles SW of Canby Comment
  CAS-BOT-BC241006  Castilleja pilosa John Thomas Howell 1934-6-12 11993 Modoc 6 miles s. of Davis Creek Comment
  CAS-BOT-BC241014  Castilleja pilosa Alice Eastwood; John Thomas Howell 1940-6-14 8215 Modoc 8 miles nw. of Canby Comment
  CHSC117765  Castilleja pilosa L. P. Janeway 2016-5-16 11990 Modoc Modoc Plateau. Devils Garden area; along Road 47N07 1.8 road-km south of Road 181/73/47N09. Transition area between a large open rocky flat into open yellow pine forest with scattered juni-pers, low sage. 1573 Comment
  UC1540226  Castilleja pilosa Dean Wm. Taylor and Glenn L. Clifton 1987-6-27 9110 Modoc headwaters of upper South Deep Creek; Warner Mountains 2194 Comment
  CAS-BOT-BC226066  Castilleja pilosa Milo Samuel Baker 1893-6-12 s.n. Modoc Modoc County. Comment
  CAS-BOT-BC32564  Castilleja pilosa var. pilosa Alice Eastwood; John Thomas Howell 1940-6-11 8016 Modoc 7 miles SW of Canby Comment
  CAS-BOT-BC226069  Castilleja tenuis Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10555 Modoc Patterson Ranger Station (East Creek drainage), Modoc National Forest, Warner Mountains. 2164 Comment
  CAS-BOT-BC226074  Castilleja tenuis Bruce Bartholomew 1990-6-16 5283 Modoc Flat, 1.1 km W of West Warner Road just S of Bear Flat. 1830 Comment
  HSC75904  Castilleja tenuis D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19434 Modoc Near Hager Reservoir Comment
  JEPS79118  Castilleja tenuis L. R. Heckard with R. Bacigalupi 1980-6-10 5220 Modoc sw margin Egg Lake (now dry); Egg Lake Comment
  UC748137  Castilleja tenuis Annie M. Alexander and Louise Kellogg 1946-6-14 4769 Modoc Silver Creek branch of Patterson Mill road 1828 Comment
  CAS-BOT-BC225973  Castilleja tenuis Fred. P. Cronemiller 1920-6-15 31 Modoc McKenzie Spring. 1310 Comment
  UC1281475  Ceanothus X flexilis H. E. McMinn 1941-8-27 5396 Modoc 0.5 mi from junction of highways 89 and 299 on way to Alturas; on way to Alturas Comment
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Jun 3 2009
  CAS-BOT-BC217137  Ceanothus cuneatus var. cuneatus Leland S. Smith 1924-6-5 1370 Modoc Dutch Flat. Comment
  UC73355  Ceanothus cuneatus var. cuneatus Milo S. Baker 1893-1 Modoc near Craigs Comment
  CAS-BOT-BC217102  Ceanothus prostratus Milo Samuel Baker; Franklin P. Nutting 1894-6-8 s.n. Modoc Near Egg Lake. Comment
  HSC18315  Ceanothus prostratus M. T. Milligan 1964-5-9 32 Modoc 4 mi. N of Hwy. 139 on USFS Rd. 44N15 1524 Comment
  POM126434  Ceanothus prostratus B. C. Goldsmith 1911-5-20 21 Modoc Sugar Hill, W slope Warner Mts. 1524 Comment
  RSA488025  Ceanothus prostratus Bruce Bartholomew, B. Anderson 1988-5-12 4091 Modoc 13 km NNE of Adin on State Highway 229 at turnoff to Higgins Flat on USFS road 41N11. 1440 Comment
  RSA59733  Ceanothus prostratus E. K. Balls 1950-5-20 14799 Modoc Above Mill Creek Falls Public Camp on way from likely to Clear Lake 1738 Comment
  SEINET12210602  Ceanothus prostratus J. Vale, Wagnon, K.; Knight, W.; Knight, I. 1981-1 4132 Modoc On White Horse Road near Egg Lake, n.w. of Lookout Comment
  CAS-BOT-BC217113  Ceanothus prostratus var. prostratus Bruce Bartholomew; Barrett Anderson 1988-5-12 4091 Modoc 4 km NW of White Horse. 1350 Comment
  UC70431  Ceanothus velutinus Milo S. Baker July 1898 537 Modoc Forestdale Comment
  CAS-BOT-BC248322  Ceanothus velutinus var. velutinus B. Bartholomew; H. Sun 2002-6-24 8868 Modoc Fandango Pass on the E side of the Warner Mountains near the crest of the mountains 1820 Comment
  CHSC106187  Centaurea cyanus Lowell Ahart; John Dittes 2010-8-31 17100 Modoc On the west side of Elkins Lane, about 100 yards north of the bridge across Ash Creek, Ash Creek State Wildlife Area, 4215 feet north of Lassen County Line, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  UC2043249  Centaurea cyanus Barbara Ertter 1995-7-1 14460 Modoc Highway 395 south of New Pine Creek on Oregon border, at junction of County Road 44. Comment
  CDA7217  Centaurea diffusa Loring White 1959-8-19 Modoc West of Canby. 0 Comment
  UCD130120  Centaurea virgata subsp. squarrosa T. C. Fuller 1962-8-29 9487 Modoc road to Adin, 0.2 mile east of Lookout, Big Valley. Comment
  UCD130121  Centaurea virgata subsp. squarrosa T. C. Fuller 1962-8-29 9487 Modoc road to Adin, 0.2 mile east of Lookout, Big Valley. Comment
  CAS-BOT-BC388227  Cerastium glomeratum B. Bartholomew 1992-5-16 6326 Modoc Lunsford Spring 1600 Comment
  CAS-BOT-BC95502  Ceratophyllum demersum Robert Folger Thorne; C. W. Tilforth 1969-9-5 39187 Modoc Pine Creek where it crosses Hwy. 395, 3.4 mi. S of Alturas. 1341 Comment
  UC1101388  Ceratophyllum demersum Verne Grant and Irving Schneider 1947-7-22 8133 Modoc North Fork of Pit River by confluence with Gleason Creek on Highway 395 n Alturas; North Fork of Pit River by confluence w/ Gleason Creek Comment
  CAS-BOT-BC181985  Cercis occidentalis Bruce Bartholomew; Barrett Anderson 1988-6-23 4228 Modoc 2.1 km SSE of Day on the road to State Highway 299. 1020 Comment
  CAS-BOT-BC197532  Cercocarpus betuloides var. betuloides Leland S. Smith 1922-8-28 1336 Modoc Canyon E of Andrews Ranch 1524 Comment
  JEPS45550  Cercocarpus betuloides var. macrourus Milo S. Baker 1893-7-23 Modoc Forestdale Comment
  UC72966  Cercocarpus betuloides var. macrourus Milo S. Baker July 1898 533 Modoc Forestdale Comment
  RSA104148  Cercocarpus ledifolius Milo S. Baker 1893-1 s.n. Modoc [Unspecified] Comment
  NY848759  Cercocarpus ledifolius var. intermontanus L. S. Rose 1940-6-13 40553 Modoc Fandango Pass 1905 Comment
  UC859417  Cercocarpus ledifolius var. ledifolius Lewis S. Rose 1940-6-13 40553 Modoc Fandango Pass 1905 Comment
  UC72035  Cercocarpus ledifolius var. ledifolius Milo S. Baker 1893-6-20 Modoc Comment
  NY418594  Cercocarpus macrourus M. S. Baker 1893-6-20 s.n. Modoc Rocky hillside. Comment
  SEINET3146201  Chaenactis douglasii L. S. Rose 1940-6-13 40546 Modoc Surprise, NE of Alturas 1372 Comment
  CAS-BOT-BC15070  Chaenactis douglasii var. douglasii Robert Patterson; Mona Bourell 1993-8-15 5237 Modoc Warner Mountains. Along trail from Patterson Lake to ca. 2 mi north towards Pepperdine Trailhead. 2743 Comment
  SFV18028  Chaenactis douglasii var. douglasii J. A. Matos, D. C. Rudolph 1999-8-7 s. n. Modoc 1 mile east of Siskiyou county line along Lava Beds National Monumemt Road. 1310 Comment
  CAS-BOT-BC141742  Chamaebatiaria millefolium L. S. Smith 1918-8-7 1012 Modoc Black Knob, Warner Mts. Comment
  CAS-BOT-BC197574  Chamaebatiaria millefolium Leland S. Smith 1924-6-23 1433 Modoc Lavas near Lava Ranger Station. 1325 Comment
  CAS-BOT-BC245415  Chamaesaracha nana Bruce Bartholomew 1991-7-6 5994 Modoc Webb Flat, 5.6 km S of turn off to Happy Camp Ranger Station. Area burned within the last year. 1400 Comment
  CAS-BOT-BC245420  Chamaesaracha nana Francis Marion Ownbey; Frederick Gustav Meyer 1940-7-1 2132 Modoc Near Cedar Pass, Warner Mountains. Comment
  CAS-BOT-BC245422  Chamaesaracha nana Annie Montague Alexander; L. Kellogg 1946-7-24 5065 Modoc Bear Camp Flat, along trail to Emerson Camp. Warner Mountains. Comment
  HSC80797  Chamaesaracha nana G. M. Riegel 1980-7-31 945 Modoc S Warner Mtns. 558 Comment
  JEPS9109  Chamaesaracha nana W. L. Jepson 1918-8-7 7854 Modoc Mt. Bidwell 1798 Comment
  UC71712  Chamaesaracha nana Mrs. M. H. Manning 1903-8-27 334 Modoc near Fort Bidwell (ne Modoc County) Comment
  UCSB6934  Chamaesaracha nana Sharsmith, Helen 1955-6-26 Modoc adjacent to Highway 39 ca. 20 miles north of Canby, Modoc National Forest. 1524 Comment
  RSA312310  Chamaesyce serpillifolia H. L. Mason, Verne Grant, C. T. Mason 1947-7-10 13325 Modoc Dorris Reservoir, 2 miles east of Alturas. Comment
  RSA767683  Chamaesyce serpillifolia subsp. serpillifolia L. Ahart, John Dittes 2010-8-30 17054 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
  UC17672  Chamaesyce serpyllifolia Milo S. Baker 1893-7-25 Modoc on island Egg Lake Comment
  CAS-BOT-BC166012  Chamerion angustifolium subsp. circumvagum Annie M. Alexander; Louise Kellogg 1946-7-3 4904 Modoc Near Fort Bidwell, south slope. Bidwell Creek, Canyon Comment
  JEPS39319  Chamerion angustifolium subsp. circumvagum L. S. Smith 1918-1 1063 Modoc Coyote Creek Warner Mts. Comment
  CHSC99251  Chenopodium Lowell Ahart; John Dittes 2008-6-21 15010 Modoc Along a large levee, mountain meadow, in Big Valley, about 4.3 miles (air) northeast of the Headquarters at Ash Creek State Wildlife Area, about 7.3 miles (air) northeast of Bieber. 1266 Comment
  CAS-BOT-BC95518  Chenopodium berlandieri Roxana Stinchfield Ferris; L. Lorraine 1941-8-14 10613 Modoc Summit of Fandango Pass on road between Fort Bidwell and Pine Creek. 1889 Comment
  CDA34222  Chenopodium desiccatum L. Ahart, J. Dittes 2010-8-31 17111 Modoc On the west side of Elkins Lane, about 100 yards north of the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. Comment
  RSA624120  Chenopodium leptophyllum L. C. Wheeler 1935-8-26 3921 Modoc South Mt. devil's Garden: McGinty Point. 1524 Comment
  RSA623604  Chenopodium pumilio L. C. Wheeler 1935-8-3 3758 Modoc Warner Mountains: Rock Lake, Pine Creek 1920 Comment
  JEPS117371  Chenopodium rubrum var. humile Lowell Ahart, John Dittes 2010-8-30 17049 Modoc About 10 yards west of fence, south edge of the meadow, Ash Creek State Wildlife Area, 2300 feet north of Lassen County line, 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley 1267 Comment
  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
  CAS-BOT-BC95664  Chimaphila umbellata Bruce Bartholomew 1989-8-10 5044 Modoc 8.7 km E of Day on County Road 94. Comment
  CAS-BOT-BC95665  Chimaphila umbellata Leland S. Smith 1917-9-18 162 Modoc Lassen Creek. 1828 Comment
  NY125574  Chorispora tenella B. M. Bartholomew 1993-5-10 6450 Modoc At the Nevada border directly E of Eagleville, E side of Surprise Valley 1520 Comment
  POM260897  Chorizanthe polygonoides var. polygonoides Alice Eastwood, John T. Howell 1940-6-15 8300 Modoc 5 miles N of Lookout Comment
  CAS-BOT-BC15038  Chrysothamnus nauseosus subsp. albicaulis Belknap C. Goldsmith 1910-7-28 15 Modoc Fandango Creek. 1554 Comment
  CAS-BOT-BC15049  Chrysothamnus nauseosus subsp. albicaulis E. S. Willits 1939-10-10 160 Modoc Surprise Valley. 1371 Comment
  CAS-BOT-BC14993  Chrysothamnus viscidiflorus subsp. viscidiflorus Isabelo T. Kelly 1930-1-1 57 Modoc unspecified Comment
  CHSC114007  Chrysothamnus viscidiflorus subsp. viscidiflorus L. P. Janeway 2014-7-7 11449 Modoc Great Basin. Northwest edge of plateau overlooking Cow Head Lake; halfway between Cow Head Lake and Big Mud Lake; along an obscure dirt road 1.0 km north-northwest of Barrel Springs Road. 1670 Comment
  JEPS31102  Chrysothamnus viscidiflorus subsp. viscidiflorus Ernest C. Twisselmann 1961-9-22 6573 Modoc Warner Mountains, Jess Valley 1676 Comment
  UC69059  Chrysothamnus viscidiflorus subsp. viscidiflorus Mrs. M. H. Manning Sep 1 1902-Oct 1 1902 27 Modoc Comment
  CHSC115567  Cichorium intybus Lowell Ahart; John Dittes 2015-7-15 20344 Modoc On the east side of Elkins Lane, about 100 yards northeast of Parking Area, northwest of the old barn, Ash Creek State Wildlife Area, about 3.9 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  JEPS89935  Cicuta maculata Dean Wm. Taylor with Glenn L. Clifton 1989-8-6 10498 Modoc West shore Lower Lake (Surprise Valley). 1363 Comment
  JEPS15740  Cicuta maculata var. angustifolia Milo S. Baker 1899-8-18 Modoc Little Hot Spring Valley Comment
  RSA0123895  Cicuta maculata var. angustifolia Robert F. Thorne 1969-9-5 39160 Modoc Modoc National Forest, Warner Mts. Clear Lake. 1768 Comment
  HSC16244  Circaea alpina subsp. pacifica M. T. Milligan 1966-7-27 589 Modoc Slopes and ridges E of Jess Valley 1707 Comment
  UC1276069  Cirsium arvense Loring White 1959-7-2 Modoc 1.5 mi s Tule Lake Comment
  CAS-BOT-BC14966  Cirsium cymosum Thomas C. Fuller 1959-7-8 2741 Modoc Hwy 13, 7 mi. NE of Canby. Comment
  UCD144215  Cirsium cymosum Baldo Villegas 1998-8-19 s.n. Modoc near New Pine Creek, 3.6 miles east of Fandango Pass on Highway 395. Comment
  POM33030  Cirsium cymosum Mrs. R. M. Austin 1895-08 165 Modoc Goose Lake Valley Comment
  UC71590  Cirsium douglasii var. breweri Mrs. M. H. Manning 1903-1-1 262 Modoc Fort Bidwell, ne Modoc County 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
  HSC31108  Cirsium occidentale var. candidissimum R. F. Thorne, C. W. Tilforth 1969-9-5 39183 Modoc 3.3 mi. N of Likely 1357 Comment
  UC91794  Cirsium occidentale var. candidissimum Milo S. Baker 1893-7-25 Modoc Lava Beds Comment
  CAS-BOT-BC14934  Cirsium occidentale var. candidissimum Isabelo T. Kelly 1930-1-1 39 Modoc E slope of Warner Range. Comment
  RSA0070699  Cirsium occidentale var. candidissimum R. F. Thorne, C. W. Tilforth 1969-9-5 39183 Modoc 3.3 miles N of Likely. 1357 Comment
  CDA31791  Cirsium ochrocentrum K. Haas 2007-2-6 PDR# 1402971 Modoc County Rd 1, Cedarville 0 Comment
  CAS-BOT-BC14937  Cirsium scariosum John Thomas Howell 1934-6-15 12188 Modoc Alturas. Comment
  CAS-BOT-BC14942  Cirsium scariosum K. Paulson; Robert Paulson 1989-7-4 170 Modoc Ca. 1 mi. S of Patterson Ranger Station, S end of Warner Mts. 2121 Comment
  CAS-BOT-BC191051  Clarkia lassenensis M. M. Hanna 1958-6-22 s.n. Modoc Along road near Canby. Comment
  CAS-BOT-BC191058  Clarkia lassenensis Barbara J. Ertter 1988-6-18 7622 Modoc Hwy 139 a few mi. N of Agric. Inspection Station, 1 mi. S of S jct to Lava Beds Nat'l Monument. 1310 Comment
  NY999398  Clarkia lassenensis A. J. Cronquist 1959-6-19 8509 Modoc Atop ridge south of Clear Lake; Warner Mountains 15 miles east of Likely 1981 Comment
  UC1184379  Clarkia lassenensis Peter H. Raven with Otto T. Solbrig 1958-6-18 13314 Modoc Cottonwood Flat Camp Ground Modoc National Forest Comment
  UCD150422  Clarkia lassenensis Harry A. George 1967-6-15 s.n. Modoc S. of Adin. Comment
  CAS-BOT-BC191041  Clarkia rhomboidea John Thomas Howell 1934-6-13 12048 Modoc Fandango Pass. 1828 Comment
  CAS-BOT-BC191048  Clarkia rhomboidea Bruce Bartholomew 1989-7-14 4950 Modoc ca. 6.5 km NE of Egg Lake and 0,8 km E of Survice Gulch. 1340 Comment
  RSA101361  Clarkia rhomboidea R. Weatherby 1955-7-8 1622 Modoc 6 miles N of Ft. Bidwell. Northern Warner Mtns. 1738 Comment
  RSA323621  Clarkia rhomboidea Arnold Tiehm 1984-6-30 8839 Modoc NW side of Bidwell Mt., 2.8 road miles north of 8 mile creek on the road from Lake Annie. 1829 Comment
  CDA38042  Clarkia rhomboidea J. Elliot 1975-7-3 s.n. Modoc Forestry road, 2 mile north of Joseph Creek Basin, northeast of Alturas, Modoc National Forest. 0 Comment
  UC422929  Clarkia rhomboidea M. F. Gilman 631 Modoc 1676 Comment
  CHSC31494  Claytonia lanceolata N. E. H. Prouty 1980-6-2 173 Modoc Modoc Nat. Forest, Warner Mt. District. Sheep Rock T.S. North facing slope rising above Dry Creek and Upper Dry Creek Road. Comment
  SEINET5336342  Claytonia lanceolata M. J. Williams 1968-5-31 1152 Modoc Cedar Pass Comment
  RSA0059503  Claytonia lanceolata var. sessilifolia C. L. Hitchcock 1940-5-27 6717 Modoc 15 miles NE of Alturas. 1982 Comment
  CAS-BOT-BC197442  Claytonia parviflora subsp. parviflora Bruce Bartholomew 1993-6-12 6578 Modoc Road to Day Rock from Little Hot Spring Valley. 1250 Comment
  CAS-BOT-BC197470  Claytonia rubra subsp. rubra Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-13 16456 Modoc Near summit of Fandango Pass, Warner Mts. Comment
  CAS-BOT-BC197472  Claytonia rubra subsp. rubra Bruce Bartholomew 1991-6-21 5824 Modoc Vicinity of Drift Fence Tank, 2 km S of Forest Service road 73 on road to Rim Rock Valley. 1580 Comment
  CAS-BOT-BC197463  Claytonia rubra subsp. rubra John H. Hatton 1911-6-10 32 Modoc Modoc County. 1371 Comment
  SD52231  Cleome platycarpa Frank Stephens 1894-7-16 728 Modoc 1430 Comment
  UC83260  Cleome platycarpa F. Stephens 1894-7-16 Modoc Liberty 1432 Comment
  CAS-BOT-BC226095  Collinsia parviflora Bruce Bartholomew 1991-6-21 5823 Modoc Vicinity of Drift Fence Tank, 2 km S of Forest Service road 73 on road to Rim Rock Valley. 1580 Comment
  CAS-BOT-BC229856  Collinsia parviflora Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16430 Modoc Near summit of Cedar Pass, between Alturas & Cedarville 1920 Comment
  CAS-BOT-BC229859  Collinsia parviflora Bruce Bartholomew 1991-6-20 5780 Modoc NE side of Barber Ridge, 10 km NW of Adin on road to Fox Mountain. 1580 Comment
  JEPS4624  Collinsia parviflora L. S. Smith 1919-5-3 1089 Modoc Rock Spr.; Warner Mtns Comment
  HSC20612  Collinsia parviflora M. T. Milligan 1964-6-20 56 Modoc 2 mi. N on Pencil Rd. from Hwy. 395 1372 Comment
  POM42853  Collinsia parviflora R. M. Austin 1895-07 438 Modoc Goose Lake. Comment
  UC76207  Collinsia parviflora Milo S. Baker 1896-5-23 73 Modoc Big Valley, Johnson's Big Valley; , Johnson's Comment
  RSA293354  Collinsia torreyi var. wrightii Reino Alava 1957-7-6 1180 -B Modoc About 1 mile east of Benton Meadows., Davis Creek Pass Road, Modoc National Forest. Comment
  CAS-BOT-BC190735  Collomia grandiflora Bruce Bartholomew; Barrett Anderson 1988-6-25 4386 Modoc 5.6 km NW of State Highway 299 on County Road 73. 1500 Comment
  CAS-BOT-BC190741  Collomia grandiflora James D. Jokerst 1983-7-27 61021 Modoc Near Signal Butte. 1248 Comment
  CHSC19725  Collomia grandiflora J. Grove 1973-6-8 95 Modoc Collected on Widow Vly Rd. 1 mi south of Day. 1005 Comment
  SJSU9704  Collomia linearis W. Savage 1979-7-10 1528 Modoc Oregon Rim Unit, Devils Garden District, Modoc National Forest 1645 Comment
  UC205016  Collomia linearis Mrs. M. H. Manning 1907-1 Modoc near 12 Mile Creek (e side of Mt. Bidwell, ne Modoc Co.) Comment
  CAS-BOT-BC190709  Collomia tinctoria Bruce Bartholomew 1992-5-17 6344 A Modoc SW side of White Horse Mountains, SW of White Horse Flat Reservoir. 1460 Comment
  CAS-BOT-BC190714  Collomia tinctoria Bruce Bartholomew 1995-6-1 6922 Modoc 1.3 km E of Day between Day and Lookout on County Road 94. 1200 Comment
  JEPS71065  Collomia tinctoria Milo S. Baker 1893-6-10 Modoc sw corner of county Forestdale Comment
  HSC31084  Comarum palustre R. F. Thorne, C. W. Tilforth 1969-9-5 39162 Modoc Modoc National Forest: Warner Mtns.; Clear Lake 1768 Comment
  JEPS911  Conium maculatum L. S. Smith 1845-11-12 1175 Modoc Devils Garden District, Round Willow Round Willow; Devils Garden District, Round Willow Comment
  UC4414  Corallorhiza maculata Milo S. Baker 1893-7-10 Modoc Big Mts. Comment
  RSA504660  Cordylanthus capitatus Bruce Bartholomew, B. Anderson 1988-7-23 4560 Modoc Road beyond Poison Lake 8km S of the road from Hwy 395 to Lily Lake, Warner Mountains. 2140 Comment
  HSC80864  Cordylanthus capitatus G. M. Riegel 1980-7-23 929 Modoc N Warner Mtns. 1982 Comment
  UC190605  Cordylanthus maritimus subsp. canescens M. F. Gilman 608 Modoc 1676 Comment
  JEPS16278  Cordylanthus ramosus Mrs. R. M. Austin July, 1894 245 Modoc Goose Lake Valley Comment
  CAS-BOT-BC95597  Cornus sericea Bruce Bartholomew 1994-7-1 6768 Modoc Turner Creek adjacent to Forest Service road 42N21. 1470 Comment
  HSC80943  Cornus sericea subsp. sericea G. M. Riegel 1978-8-30 160 Modoc S Warner Mtns. 1670 Comment
  CAS-BOT-BC190767  Corydalis aurea C. C. (Mrs.) Bruce 1898-7-1 2206 Modoc Warner Mts. Comment
  UCD168577  Cotula mexicana Thomas Getts 2017-7-27 s.n. Modoc Three miles east and south of the town of Likely, Likely Place Golf and RV Resort. 1388 Comment
  CAS-BOT-BC197566  Crataegus douglasii Leland S. Smith 1917-9-10 156 Modoc Fandango Trail. 2133 Comment
  CAS-BOT-BC197569  Crataegus douglasii C. C. (Mrs.) Bruce 1893-6-1 90 Modoc Davis Creek. 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
  JEPS118463  Crataegus douglasii Lowell Ahart, John Dittes 2011-6-21 17529 Modoc On the north bank of Ash Creek, Ash Creek State Wildlife Area, 4,500 feet south of County Road 87, 2.7 miles (air) west of Adin, 9.1 miles (air) northeast of Bieber Comment
  CAS-BOT-BC14947  Crepis acuminata Clare Butterworth Hardham 1961-6-18 7801 Modoc N fork Pit River 3.3 mi. S of Cedar Pass Road. Comment
  CAS-BOT-BC14911  Crepis acuminata Leland S. Smith 1924-6-29 1429 Modoc unspecified Comment
  SEINET2142728 Image available Crepis acuminata A. A. Heller 1938-6-24 15220 Modoc Between Alturas and Canby along U.S. Highway 299. Comment
  SJSU9607  Crepis acuminata W. Savage 1979-7-7 1466 Modoc Triangle, Devils Garden District, Modoc National Forest 1493 Comment
  SJSU8812  Crepis bakeri H. L. Buckalew 1961-6-25 Modoc near Stowe Reservoir c. 1 mi N of Cedar Pass on Cedar-Alturas Road 2072 Comment
  CHSC118086  Crepis bakeri subsp. bakeri L. P. Janeway 2016-5-16 12003 Modoc Modoc Plateau. Devils Garden area; along Road 46N02 3.4 road-km south-southeast of Road 47N09/73/181; about 5.2 air-km north of Crowder Mtn Reservoir. 1570 Comment
  CAS-BOT-BC14920  Crepis bakeri subsp. cusickii K. Paulson; Robert Paulson 1988-6-11 31 Modoc N of Stough Reservoir, Warner Mts.. 2011 Comment
  CAS-BOT-BC14860  Crepis intermedia Bruce Bartholomew; Barrett Anderson 1988-6-25 4378 Modoc SW side of Jess Valley, Warner Mts.. 1540 Comment
  CAS-BOT-BC14898  Crepis intermedia Bruce Bartholomew 1990-6-18 5388 Modoc Turner Creek at County Rd 90, N end of Big Valley, 6.4 km N of Lassen County border. 1230 Comment
  CAS-BOT-BC14882  Crepis modocensis Alice Eastwood; John Thomas Howell 1940-6-13 8148 Modoc Fandango Pass. Comment
  CAS-BOT-BC14887  Crepis modocensis subsp. modocensis Bruce Bartholomew; Barrett Anderson 1988-6-24 4311 Modoc Road beyond Poison Lake ca. 8 km S of the road from U.S. Highway 395 to Lily Lake, Warner Mts.. 2130 Comment
  UC31311  Crepis monticola M. S. Baker and Frank Nutting 1894-6-30 Modoc Big Valley Comment
  CAS-BOT-BC14884  Crepis occidentalis Bruce Bartholomew 1991-6-21 5813 Modoc 4 km S of Forest Service road 73 on road to Rim Rock Valley. 1570 Comment
  CAS-BOT-BC14859  Crepis occidentalis subsp. pumila Bruce Bartholomew; Barrett Anderson 1988-6-25 4384 Modoc 5.6 km NW of State Highway 299 on County Road 73. 1500 Comment
  POM356329  Crepis occidentalis subsp. pumila Christopher Davidson 1975-6-4 2593 Modoc 0.4 miles E of Hwy 395 on Hwy 299 toward Cedarville. 1380 Comment
  CAS-BOT-BC95592  Cressa truxillensis Robert Folger Thorne; J. Henrickson; C. W. Tilforth 1969-9-4 39081 Modoc E shore of Goose Lake at Willow Ranch. 1432 Comment
  CAS-BOT-BC14826  Crocidium multicaule Gordon H. True 1965-5-7 1880 Modoc Between Alturas and Goose Lake at Cedarville Rd. 1463 Comment
  CAS-BOT-BC14831  Crocidium multicaule Bruce Bartholomew; Barrett Anderson 1989-4-28 4649 Modoc 8.8 km N of State Highway 299 on road to Raker & Thomas Reservoir. 1470 Comment
  JEPS23939  Crocidium multicaule L. S. Smith 1924-5-31 Modoc Egg Lake Modoc National Forest, Egg Lake Comment
  OBI47975  Crocidium multicaule Rhonda Riggins 1989-4-28 1655 Modoc Pencil rd. 4.1 mi N of hwy 395 E of Alturas. T43N, R12E, sec 24 1402 Comment
  HSC41126  Croton setiger Thomas W. Nelson, Jane P. Nelson, James Nelson 1976-8-29 3264 Modoc Modoc National Forest, along Hwy. 299 Just NE of Adin Pass 1524 Comment
  UC589921  Crypsis vaginiflora Leo Whitney 1935-7-21 3563 Modoc Stone Coal Valley Pitt River Comment
  UCD120115  Cryptantha Herbert L. Mason; Verne Grant 1947-7-9 13316 Modoc Cedar Pass, summit of Warner Range. 1920 Comment
  UC24652  Cryptantha ambigua Mrs. R. M. Austin and Bruce Jun 1898 2267 Modoc Goose Lake Comment
  CAS-BOT-BC54138  Cryptantha circumscissa Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-10 6457 Modoc 7.9 km W of the Nevada border on the road to Eagleville, E side of Surprise Valley. 1445 Comment
  POM368342  Cryptantha circumscissa Christopher Davidson 1973-5-24 2108 Modoc S of Alturas on Hwy 395 near Likely. 1311 Comment
  CHSC27608  Cryptantha humilis Robert Schlising 1978-7-29 3327 Modoc Warner Mountains, directly E of Warren Peak. 2852 Comment
  CAS-BOT-BC54149  Cryptantha intermedia Mrs. H. C. Cantelow 1940-6-2 3318 Modoc 9.3 mi NW of Canby. Comment
  RSA164360  Cryptantha intermedia Clare B. Hardham 1961-6-18 7545 Modoc 3 miles east of Cedar Pass. 1829 Comment
  UC402820  Cryptantha simulans Milo S. Baker 1890-1 Modoc Forestdale Comment
  OBI48864  Cryptantha simulans Lewis S. Rose 1940-6-14 40578 Modoc 14 mi NW of Canby 1524 Comment
  POM204142  Cryptantha torreyana J. T. Howell 1934-6-11 11984 Modoc Parker Creek, Warner Mts. 1585 Comment
  HSC80940  Cryptantha torreyana G. M. Riegel 1979-7-18 509 Modoc S Warner Mtns. 2100 Comment
  JEPS59989  Cryptogramma cascadensis W. L. Jepson 1918-8-13 7961 Modoc below Eagle Lake proper Eagle Peak; Warner Mts 2316 Comment
  NY57978  Cupressus bakeri B. M. Bartholomew 1995-6-1 6914 Modoc Northwest edge of Little Hot Spring Valley, northwest of Day 1080 Comment
  UC55205 Image available Cupressus bakeri Milo S. Baker Aug 1898 Modoc Lava Beds, along road between Dana and Little Hot Springs Valley; Lava Beds Comment
  UC55243  Cupressus bakeri H. M. Hall and E. B. Babcock 1903-7-1 4231 Modoc lava beds of sw Modoc Co. Sierra Nevada Mountains 1219 Comment
  POM182428  Cuscuta indecora Milo S. Baker 1899-8-16 249 Modoc Little Hot Spring Valley Comment
  UC190418  Cyperus squarrosus M. S. Baker and Frank Nutting 1894-8-20 Modoc Forestdale 1371 Comment
  UCR168541  Cyperus squarrosus L. C. Wheeler 1935-9-3 3938 Modoc McGinty Reservoir, Devil's Garden 1463 Comment
  CAS-BOT-BC30213  Cystopteris fragilis Francis Dorris Payne 1932-6-12 539 Modoc Parker Creek. 1584 Comment
  SBBG18746  Cystopteris fragilis C. B. Hardham 1961-6-19 7845 Modoc Willow Crk Comment
  CAS-BOT-BC245213  Damasonium californicum M. Vasey 1900-6-30 9038 Modoc Pond along dirt road near Curtis Waterhole, NW of Egg Lake. 1300 Comment
  CHSC39006  Danthonia californica var. americana J. D. Jokerst 1983-7-18 1858 Modoc Meadow. North of Niles Flat and west of and adjacent to road 5500 0.2 miles north of the road junction at the center of the east edge of section 8. Comment
  SD34479  Danthonia unispicata A. A. Beetle 1941-6-29 2834 Modoc Near summit of Mt Adin. 1829 Comment
  UCD61368  Danthonia unispicata Beecher Crampton 1960-6-17 5685 Modoc 5 miles south of Perez, Plant Quarantine Station area. 1371 Comment
  CHSC100460  Deinandra lobbii Lowell Ahart; John Dittes 2008-8-25 15328 Modoc On the east side County Road 91, 3.9 miles (air) north-northeast of Lookout. 1275 Comment
  NY492439  Delphinium C. D. Marsh 7780 Modoc 17 miles east of Alturas 1800 Comment
  CAS-BOT-BC217339  Delphinium andersonii Bruce Bartholomew 1990-6-16 5278 Modoc Bear Flat, W side of Warner Mountains. 1830 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
  UC9201  Delphinium depauperatum Mrs. C. C. Bruce June 1898 2236 Modoc Lake City Pass Comment
  NY487727  Delphinium menziesii C. L. Hitchcock 1940-5-27 6705 Modoc 15 miles northeast of Alturas 1676.4 Comment
  CAS-BOT-BC217305  Delphinium nudicaule Bruce Bartholomew; M; M. Gilbert; L. E. Skog 1993-5-12 6522 Modoc 1.4 km W of railroad track on County Road 95 between Lookout and Egg Lake. 1290 Comment
  UC1037209  Delphinium nudicaule Leo Whitney 1934-4-29 1569 Modoc 15 mi w Canby; Modoc National Forest, Happy Camp 1463 Comment
  CAS-BOT-BC217323  Delphinium nuttallianum Clare Butterworth Hardham 1961-6-18 7569 Modoc Mountains S of Cedar Pass. North slopes. Comment
  HSC27056  Delphinium nuttallianum D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-22 19336 Modoc Soup Springs Campground Comment
  RSA59653  Delphinium nuttallianum E. K. Balls 1950-5-12 14637 Modoc above Bucks Creek Ranger Station, Modoc National Forest; east of Goose Lake. 1768 Comment
  CAS-BOT-BC217284  Delphinium stachydeum Bruce Bartholomew 1990-8-5 5670 Modoc Summit Trail, ca. 4 km N of Patterson Ranger Station, W side of Warner Mts. 2470 Comment
  CAS-BOT-BC242476  Deschampsia danthonioides Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-15 16517 Modoc 13 mi. W of Canby, along Hwy 139. Comment
  CAS-BOT-BC242479  Deschampsia danthonioides Roxana Stinchfield Ferris; R. Duthie 1919-6-14 167 Modoc Parker Creek at Modoc National Forest boundary. Comment
  HSC9594  Deschampsia danthonioides M. T. Milligan 1964-7-1 115 Modoc W end of Ballard's Reservoir, along shore. 1372 Comment
  JEPS73979  Deschampsia danthonioides Frances D. Payne 1932-6-24 650 Modoc s. and e. of Alturas (Parker Creek); Warner Mts., Parker Creek 1584 Comment
  POM365026  Deschampsia danthonioides A. A. Beetle 1941-6-29 2838 Modoc south slope of Mt. Adin Comment
  JEPS53445  Descurainia incana Frances D. Payne 1929-7-7 70 Modoc 2 mi sw Mt. Warren (se Modoc County); Pine Creek Basin 2133 Comment
  SEINET5343283  Descurainia incisa var. viscosa M. J. Williams 1984-6-30 84- 80 -5 Modoc Seepage area near a reservoir 6.8 miles west of Cedarville-Gerlach road. 1981 Comment
  CAS-BOT-BC58605  Descurainia paradisa Bruce Bartholomew 1994-5-15 6693 Modoc E of Eagleville near the Eagleville Airport, Surprize Valley. 1380 Comment
  CAS-BOT-BC58618  Descurainia pinnata subsp. glabra Bruce Bartholomew; M. Gilbert; L. Skog 1993-5-10 6445 Modoc At the Nevada border directly E of Eagleville, E side of Surprise Valley. 1520 Comment
  CHSC85190  Descurainia sophia John Dittes; Josephine Guardino 1991-6-1 344 Modoc Modoc Plateau; Big Valley; Ash Creek Wildlife Area; ca. 7.7 air-miles northeast of Bieber, ca. 4.0 air-miles west by southwest of Adin, ca. 5.0 air-mile east by southeast of Pilot Butte summit, ca. 0.6 mile east of Walters Road and Owl Barn; meadow at southern edge of Ash Creek Floodplain. 1271 Comment
  CAS-BOT-BC58441  Descurainia sophia Isabelo T. Kelly 1930-1-1 29 Modoc Modoc County. Comment
  HSC6957  Descurainia sophia M. T. Milligan 1964-6-4 19 Modoc East D St. between 4th and 5th St., Alturas 1372 Comment
  SJSU9629  Descurainia sophia W. Savage 1979-7-7 1448 Modoc Triangle, E side Fairchild Swamp Unit, Devils Garden District 1493 Comment
  CHSC31503  Dicentra uniflora NEH Prouty 1980-6-9 185 Modoc SW of Payne Peak in a sagebrush opening about North Creek Rd. Plants of Modoc Nat. Forest, Warner Mt. District. 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
  SJSU10166  Dichelostemma multiflorum R. L. Fisher 1958-6-13 Modoc near Adin Pass c. 6 mi S of Canby 1524 Comment
  SEINET7839014 Image available Dieteria canescens Mrs. M. H. Maning 1904-1 s.n. Modoc Alturas, North-eastern Modoc County Comment
  SJSU9660  Dieteria canescens var. canescens W. Savage 1979-7-9 1498 Modoc Round Valley, Triangle, Devils Garden District, Modoc National Forest 1493 Comment
  UC29895  Dieteria canescens var. shastensis Milo S. Baker 1893-6 Modoc Comment
  CAS-BOT-BC14841  Dimeresia howellii Helen Katherine Sharsmith 1955-6-23 4490 Modoc North of State Highway 28, and 6.7 miles east of Cedar Campground 1859 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-BC234457  Diplacus nanus K. Paulson; Robert Paulson 1990-6-21 207 Modoc N of Soldier Creek, E side of Warner Mts. 2011 Comment
  SEINET195163 Image available Diplacus nanus Annie M. Alexander, Louise Kellogg 1946-1 5075 Modoc Horse Mountain, Warner Mts. Comment
  CAS-BOT-BC234483  Diplacus nanus James T. Vale 1978-7-18 s.n. Modoc Payne Springs Comment
  CHSC14072  Diplacus tricolor K. R. Stern; D. B. Joley, J. G. Geschke 1974-6-22 5825 Modoc W side of Egg Lake. 1295 Comment
  CHSC100110  Distichlis spicata L. P. Janeway; B. Castro 2008-8-16 9545 Modoc Modoc Plateau. Surprise Valley; east side of Middle Alkali Lake, south side of Hwy 299 10.5 km east of Cedarville. 1378 Comment
  SJSU9645  Distichlis spicata W. Savage 1979-7-8 1476 Modoc Triangle, Fairchild Swamp Unit (NW corner), Devils Garden District 1493 Comment
  UCD64169  Distichlis spicata L. Whitney 1934-5-28 2174 Modoc Lake Joaquina, Hackamore, ca. 15 miles northwest of Canby, Modoc National Forest. 1463 Comment
  UCR34703  Dodecatheon J. A. Harpel 1981-8-6 V- 27 Modoc Warner Mtns, South Warner Wilderness Area: E end of Patterson Lake, 7 mi NW of Eagleville 2744 Comment
  POM77104  Dodecatheon alpinum subsp. majus R. M. Austin 1895-09 448 Modoc Tamaracks Comment
  CAS-BOT-BC248350  Dodecatheon conjugens B. Bartholomew; H. Sun 2002-6-24 8833 Modoc Ca. 1 km NW of Bald Mt., E side of the Warner Mountains 2290 Comment
  CAS-BOT-BC218275  Dodecatheon conjugens var. conjugens C. C. (Mrs.) Bruce 1894-4-1 101 Modoc Davis Creek. 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
  UC1191989  Downingia bacigalupii Herbert L. Mason and Verne Grant 1947-7-12 13414 Modoc s of Alturas (near s end of w side road); Pit River Valley Comment
  JEPS108480  Downingia bacigalupii Steve Jessup Jul 1995 Modoc N of Canby. 1.4 mi N of Rt. 139 on Rt. 46 Comment
  SJSU9531  Downingia bacigalupii W. Savage 1979-6-20 1268 Modoc 100 yards E of Boles Meadow, Triangle, Boles Meadow Unit, Devils Garden District, Modoc National Forest 1493 Comment
  JEPS108487  Downingia bicornuta var. bicornuta Lisa Schultheis 1996-6-29 311 -96 Modoc W of Goose Lake. On county Rd. 73 towards Crowder Flat, about 18 miles from Rt. 299. Comment
  UC1101475  Downingia bicornuta var. bicornuta Calvin McMillan and Malcolm A. Nobs 1949-6-16 795 Modoc 33 mi nnw Alturas; Dry Valley Reservoir Comment
  UC1537635  Downingia bicornuta var. bicornuta Gordon H. True Jr. 1939-6-25 1034 Modoc ne of Alturas; Boles Meadow Comment
  HSC26586  Downingia elegans D. H. Norris, S. Dowty, Thomas W. Nelson 1971-6-23 19498 Modoc Big Valley Summit, 6 mi. W of Adin on Hwy. 299 Comment
  CAS-BOT-BC95138  Downingia insignis Mrs. H. C. Cantelow 1940-5-31 4000 Modoc E of Canby. Comment
  CAS-BOT-BC95139  Downingia insignis Mrs. H. C. Cantelow 1940-5-31 4000 Modoc E of Canby. Comment
  JEPS21908  Downingia laeta Herbert L. Mason and Verne Grant 1947-7-11 13369 Modoc s of Alturas (by Jones Lane, off Highway 395) Comment
  CAS-BOT-BC58297  Draba albertina Annie Montague Alexander; L. Kellogg 1946-6-25 4823 Modoc Dismal Swamp, N end of Warner Mts. 2255 Comment
  HSC80860  Draba albertina G. M. Riegel 1980-8-21 915 Modoc S Warner Mtns. 2622 Comment
  HSC80863  Draba albertina G. M. Riegel 1980-7-22 925 Modoc S Warner Mtns. 2402 Comment
  UC1258363  Draba albertina Gregg Riegel 1980-8-6 992 Modoc growing near Mill Ck (Upper Mill Ck Meadows); S Warner Mt. Wilderness, Upper Mill Ck Meadows 2499 Comment
  HSC75598  Draba paysonii G. M. Riegel 1980-8-14 1068 Modoc S Warner Mtns. 1829 Comment
  UC1594774  Drymocallis David Charlet 1989-8-15 500 Modoc 1 km nw Eagle Peak; South Warner Mountains, nw of Eagle Peak 2550 Comment
  HSC25988  Drymocallis glandulosa var. glandulosa D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19492 Modoc Big Valley Summit, 6 mi. W of Adin on Hwy. 299 Comment
  CAS-BOT-BC214757  Drymocallis lactea var. austiniae Annie Montague Alexander; L. Kellogg 1946-6-30 4876 Modoc Highgrade, W side of ridge, N end of Warner Mts. 2377 Comment
  CAS-BOT-BC14808  Eatonella nivea Bruce Bartholomew 1991-5-24 5722 Modoc NE end of Surprise Valley, 6.5 km E of Fort Bidwell on road to Fee Reservoir. 1500 Comment
  CHSC116192  Elatine Lowell Ahart; John Dittes 2015-7-15 20351 Modoc On the east side of Elkins Lane, about 200 yards northeast of the Parking Area, northwest of the old barn, Ask Creek State Wildlife Area, about 3.9 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  CAS-BOT-BC242379  Eleocharis John H. Hatton 1911-6-16 102 Modoc Happy Camp. 1463 Comment
  RSA577564  Eleocharis bella L. C. Wheeler 1935-8-3 3765 Modoc Warner Mountains: Pine Creek. 1738 Comment
  CAS-BOT-BC112782  Eleocharis macrostachya R. F. Thorne; C. W. Tilforth 1969-9-5 39180 Modoc Wet margin of S Fork of Pit River at bridge, 3.8 mi E of Likely. 1386 Comment
  JEPS19419  Eleocharis macrostachya W. L. Jepson 1918-8-14 7988 Modoc Jess Valley 1584 Comment
  RSA252380  Eleocharis palustris Robert F. Thorne, C. W. Tilforth 1969-9-5 39180 Modoc South Fork of Pit River at bridge, 3.8 miles E of Likely 1387 Comment
  POM229182  Eleocharis quinqueflora L. C. Wheeler 1935-8-15 3862 Modoc Dismal Swamp, Twenty Mile Creek, Warner Mts. 2226 Comment
  UCD49861  Eleocharis quinqueflora var. suksdorfiana Louis C. Wheeler 1935-7-15 3862 Modoc Dismal Swamp, twenty Mile Creek, Warner Mts., Modoc Co. 2225 Comment
  CAS-BOT-BC245110  Elodea canadensis Bruce Bartholomew 1989-8-11 5054 Modoc Along W side of Goose Lake, 4.2 km N of McGinty Point on National Forest Road 48. 1430 Comment
  UC1100131  Elodea canadensis Verne Grant and Irving Schneider 1947-8-28 8348 Modoc about 3.5 mi downstream Canby (Pit River, at entrance to gorge); Pit River Comment
  RSA129559  Elyhordeum macounii Leo D. Whitney 1935-7-13 3492 Modoc Alturas Comment
  UC1026706  Elymus X saundersii Leo Whitney 1935-8-14 3617 Modoc dry stream bed near Hackamore (ca 15 mi nw of Canby); Modoc National Forest 1463 Comment
  UC1026710  Elymus X saundersii L. D. Whitney 1935-7-1 3374 Modoc Hackamore River Comment
  HSC65335  Elymus cinereus J. P. Smith, J. O. Sawyer 1973-8-9 7284 Modoc Blue Lake, Modoc Natl. Forest 1829 Comment
Read comments
Jul 11 2013
  SJSU9602  Elymus cinereus W. Savage 1979-7-5 1376 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  CAS-BOT-BC247746  Elymus elymoides subsp. elymoides Clare Butterworth Hardham 1961-6-20 7871 Modoc Pine Creek. Comment
  CAS-BOT-BC247749  Elymus elymoides subsp. elymoides Bruce Bartholomew; Barrett Anderson 1989-6-2 4804 Modoc 6.4 km E of Fort Bidwell on road to Fee Reservoir, NE corner of Surprise Valley. 1460 Comment
  CAS-BOT-BC247756  Elymus elymoides subsp. elymoides Clare Butterworth Hardham 1961-6-19 7855 Modoc Willow Creek. Comment
  CAS-BOT-BC247759  Elymus elymoides subsp. elymoides Bruce Bartholomew; Barrett Anderson 1988-7-22 4486 Modoc Vicinity of East Creak Trailhead, southern end of the Warner Mts. 2210 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
  UC1024865  Elymus elymoides subsp. elymoides Leo Whitney 1935-5-30 3161 Modoc White Horse Comment
  JEPS73993  Elymus glaucus subsp. glaucus Frances D. Payne 1932-7-18 705 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  CAS-BOT-BC247733  Elymus lanceolatus subsp. lanceolatus Bruce Bartholomew; Barrett Anderson 1990-7-19 5400 Modoc Turner Creek at County Rd 90, N end of Big Valley, 6.4 km N of Lassen County border. 1230 Comment
  UCD61276  Elymus macounii A. A. Beetle 1944-8-17 3036 Modoc 1 mile south of Alturas, edge of town by R. R. track. Comment
  UC1024736  Elymus multisetus Leo Whitney 1934-5-19 3044 Modoc Timbered Mountain Modoc National Forest, Devil's Garden (ne portion of county) 1524 Comment
  SD64332  Elymus ponticus D. F. Howe 1966-8-25 4299 Modoc Fandango Pass, Warners Mountains 1858 Comment
  UCD62658  Elymus trachycaulus L. Whitney 1935-6-28 Modoc Bieber. Comment
  CAS-BOT-BC247726  Elymus trachycaulus subsp. trachycaulus Bruce Bartholomew 1990-8-5 5665 Modoc Summit Trail, ca. 3 km N of Patterson Ranger Station, W side of Warner Mts. 2440 Comment
  UCD62688  Elymus trachycaulus subsp. trachycaulus August L. Hormay 1932-7-17 Modoc Lily Lake. Comment
  CAS-BOT-BC191035  Epilobium angustifolium subsp. circumvagum Elmer Ivan Applegate 1932-8-3 8113 Modoc E branch of Mill Creek, above Mill Creek Meadow, W slope of Warner Mts. Comment
  CAS-BOT-BC191014  Epilobium brachycarpum Bruce Bartholomew 1992-8-7 6358 Modoc Along the Pit River just SW of Canby Bridge. 1300 Comment
  CAS-BOT-BC191028  Epilobium brachycarpum Verne Grant; I. Schneider 1947-8-27 8308 Modoc 10 mi. S of Tule Lake. Comment
  HSC80899  Epilobium brachycarpum G. M. Riegel 1980-7-2 813 Modoc S Warner Mtns. 2100 Comment
  JEPS39237  Epilobium brachycarpum W. L. Jepson 1918-8-9 7912 Modoc Ft. Bidwell Comment
  UCD105405  Epilobium brachycarpum G. Schoolcraft 1993-8-2 2340 Modoc Near intersection of Highway 395 and 299 E of Alturas. 1371 Comment
  RSA157711  Epilobium brachycarpum I. L. Wiggins, Dorothy Wiggins 1961-6-12 16368 Modoc At junction of Cedar Pass road with California Highway 299, 5.5 miles N of Alturas. Comment
  UCD77624  Epilobium brachycarpum Robert E. Preston 2000-5-31 1355 Modoc Modoc Plateau, along Hwy 139, ca. 2 miles E of Forest Service Road 44N11. 1493 Comment
  UC1191621  Epilobium campestre Herbert L. Mason 1947-8-13 13519 Modoc n Canby (ne side of F reservoir); F reservoir Comment
  UC19954  Epilobium campestre Milo S. Baker Jul 30 1893-Jan 1 1900 Modoc Egg Lake Comment
  UC71573  Epilobium campestre Mrs. M. H. Manning 1903-8-27 337 Modoc Mt. Bidwell, Tamarack flat Comment
  UC1191576  Epilobium campestre Herbert L. Mason 1947-8-15 13563 Modoc 11 mi from Davis Creek; Goose Lake, spring leading into w side Comment
  CHSC117497  Epilobium ciliatum subsp. ciliatum Lowell Ahart; John Dittes 2016-7-14 21178 Modoc West side of a new pond, south of Ash Creek Canal (now filled in), south of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. 1273 Comment
  JEPS39280  Epilobium ciliatum subsp. ciliatum W. L. Jepson 1918-8-12 7946 Modoc Jess Valley 1584 Comment
  RSA210882  Epilobium ciliatum subsp. ciliatum Robert F. Thorne, J. Henrickson, C. W. Tilforth 1969-9-3 39023 Modoc SE end of Tule Lake Sump 0.5 miles N of turnoff to Lava Beds National Monument, (2.2 miles E of NE entrance to monument) 1265 Comment
  CAS-BOT-BC190983  Epilobium ciliatum subsp. glandulosum Annie Montague Alexander; L. Kellogg 1946-7-11 4965 Modoc Eight Mile Creek. Comment
  SEINET195712  Epilobium ciliatum subsp. glandulosum Louise Kellogg, Annie M Alexander 1946-7-17 5008 Modoc Benton Meadow Warner Mountains 2073 Comment
  UC748258  Epilobium ciliatum subsp. glandulosum Annie M. Alexander and Louise Kellogg 1946-7-11 4695 Modoc slope w Eight Mile Creek (ne corner of county) Comment
  HSC30118  Epilobium hallianum D. H. Norris, T. Nelson, S. Dowty 1971-6-23 19511 Modoc Big Valley Summit, 6 mi. W of Adin on Hwy. 299 Comment
  POM37840  Epilobium hallianum R. M. Austin 1895-08 508 Modoc Goose Lake Valley Comment
  CAS-BOT-BC190957  Epilobium hornemannii subsp. hornemannii Bruce Bartholomew 1994-7-2 6820 Modoc Mill Creek NE of Bald Mtn., E side of Warner Mountains. 2040 Comment
  JEPS43883  Epilobium hornemannii subsp. hornemannii Frances D. Payne 1929-7-26 122 Modoc 2 mi s Warren Peak; Warner Mts., Pine Creek Basin 2133 Comment
  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
  UC1483845  Epilobium obcordatum G. Schoolcraft 1980-8-10 Modoc summit of mts. Warner Mountains (e-facing slope) 2682 Comment
  UCD77623  Epilobium pallidum Robert E. Preston 2000-7-18 1399 Modoc Ca. 12 miles NW of Canby, along Highway 139, 1.6 miles E of Forest Service Road 44N11. 1490 Comment
  CAS-BOT-BC190873  Epilobium pygmaeum John Thomas Howell 1934-7-2 12351 Modoc Morvitz Creek, 1 mi. S of Clear Lake. Comment
  CAS-BOT-BC190860  Epilobium torreyi Bruce Bartholomew 1994-7-1 6748 Modoc 7.6 km NW of County Road 91 between Lookout and Lookout Jct. on County road 93. 1280 Comment
  RSA0062645  Equisetum arvense Marion P. Harthill 1971-6-23 371 Modoc Fort Bidwell. Comment
  HSC867  Equisetum hyemale subsp. affine M. T. Milligan 1966-4-8 454 Modoc E of Jess Valley 1585 Comment
  CAS-BOT-BC30180  Equisetum laevigatum Alice Eastwood; John Thomas Howell 1940-6-13 8181 Modoc E side of Cedar Pass. Comment
  JEPS117681  Eragrostis pectinacea var. pectinacea Lowell Ahart, John Dittes 2010-8-31 17092 Modoc On the west side of Walters Road, 4235 feet south of Modoc County Line, about 4.3 miles (air) south-southwest of Adin, about 7.0 miles (air) northeast of Bieber, Big Valley 1276 Comment
  CAS-BOT-BC95490  Eremogone aculeata Elmer Ivan Applegate 1932-7-9 7569 Modoc N slope of Bidwell Mountain. Comment
  CHSC118092  Eremogone aculeata L. P. Janeway 2016-5-19 12096 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
  CAS-BOT-BC95468  Eremogone congesta Mrs. H. C. Cantelow 1940-6-2 s.n. Modoc 9.3 mi NW of Canby, lava country. Comment
  CAS-BOT-BC95469  Eremogone congesta Mrs. H. C. Cantelow 1940-5-31 3443 Modoc 8.9 mi. E of Indian Springs. Comment
  RSA602677  Eriastrum sparsiflorum L. C. Wheeler 1935-8-2 3747 Modoc Twelve Mile Creek, Warner Mts. 2287 Comment
  CAS-BOT-BC14809  Ericameria bloomeri Mrs. M. H. Manning 1905-9-15 s.n. Modoc Near Hall's Meadows. Comment
  CAS-BOT-BC14812  Ericameria bloomeri Francis Dorris Payne 1934-8-29 s.n. Modoc Parker Creek. 1584 Comment
  POM199564  Ericameria bloomeri Franklin P. Nutting s.n. Modoc Forestdale Comment
  HSC81131  Ericameria greenei G. M. Riegel 1980-8-29 1126 Modoc South Warner Mtns. 1829 Comment
  CAS-BOT-BC14817  Ericameria greenei Harvey Monroe Hall 1925-8-30 12209 Modoc Mt. slopes, E side Goose Lake. Comment
  CHSC42147  Ericameria nauseosa C. E. Laver 1985-8-12 Modoc Ca. 8 mi s of Alturas and 0.2 mi e of Eastside Canal. Along roadsides. 1280 Comment
  HSC5354  Ericameria nauseosa var. speciosa M. T. Milligan 1966-8-3 640 Modoc W slope of Eagle Peak 2439 Comment
  CAS-BOT-BC383141  Ericameria nauseosa var. washoensis Andrew Townesmith; Karen M. Meyer 2007-9-15 927 Modoc Modoc National Forest, Warner Mountain Ranger District. Along state route 299, 10.9 miles west of junction with US route 395. At Cedar Pass 1928 Comment
  CHSC99951  Ericameria parryi var. nevadensis Lowell Ahart; John Dittes 2008-8-25 15298 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
  HSC81022  Ericameria parryi var. nevadensis G. M. Riegel 1979-7-14 542 Modoc South Warner Mtns. 1739 Comment
  RSA129817  Ericameria suffruticosa G. A. Graham 1937-8-6 145 Modoc Belfort 3110 Comment
  HSC5510  Erigeron annuus M. T. Milligan 1966-7-29 603 Modoc W slope of Eagle Peak. 2104 Comment
  NY168408  Erigeron austiniae R. M. Austin 05 1894 6432 Modoc Davis Creek Comment
  RSA74773  Erigeron barbellulatus Elroy Robinson 1936-7-20 b 115 Modoc Along trail bet Mono Hot Springs and Mono Meadow. 2134 Comment
  POM260053  Erigeron bloomeri var. bloomeri C. L. Hitchcock 1940-5-27 6669 Modoc 15 miles NE of Alturas. 1616 Comment
  UC31425  Erigeron bloomeri var. bloomeri M. S. Baker and Frank Nutting 1894-6-25 Modoc near Egg Lake Comment
  CHSC100360  Erigeron canadensis Lowell Ahart; John Dittes 2008-8-25 15318 Modoc On the east bank (flood plain) of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-notheast of Lookout. 1273 Comment
  UC895684  Erigeron chrysopsidis var. austiniae Lewis S. Rose 1940-6-12 40542 Modoc 9 mi ne Alturas; Cedar Pass Rd 152 Comment
  UC31482  Erigeron coulteri Mrs. C. C. Bruce 1898-7-1 2314 Modoc head Davis Creek Comment
  CAS-BOT-BC42777  Erigeron divergens Annie M. Alexander; Louise Kellogg 1946-6-4 4658 Modoc Eagleville. Comment
  POM357394  Erigeron divergens Christopher Davidson 1973-5-24 2102 Modoc Junction of Hwy. 395 and County Road 63, near Likely, south of Alturas 1311 Comment
  CAS-BOT-BC42763  Erigeron eatonii var. plantagineus Francis Marion Ownbey; Frederick Gustav Meyer 1940-7-1 2144 Modoc N slope Cedar Peak, Warner Mountains Comment
  CAS-BOT-BC42796  Erigeron eatonii var. plantagineus Bruce Bartholomew; Barrett Anderson 1989-6-3 4904 Modoc ca. 5 km NW of Egg Lake and ca. 0.8 km W of Service Flat Gulch. 1370 Comment
  UC562942  Erigeron elegantulus Elmer I. Applegate 1924-6-24 5891 Modoc dry rocky hills btween Alturas and Davis Creek Comment
  CAS-BOT-BC42772  Erigeron filifolius Annie Montague Alexander; L. Kellogg 1946-6-18 4790 Modoc Patterson Mill Road. Comment
  RSA26265  Erigeron filifolius Alice Eastwood, John Thomas Howell 1940-6-14 8243 Modoc Between Mammoth Cave and Lava Beds National Monument. Comment
  UC31466  Erigeron filifolius Milo S. Baker 1893-6-20 Modoc Comment
  CAS-BOT-BC49614  Erigeron glacialis var. glacialis Elmer Ivan Applegate 1932-8-7 8238 Modoc Lily Lake, Bidwell Pass, Warner Mountains Comment
  CAS-BOT-BC49615  Erigeron glacialis var. glacialis Louis Cutter Wheeler 1935-8-8 3806 Modoc Pine Creek, Warner Mountains Comment
  JEPS41394  Erigeron glacialis var. glacialis M. F. Gilman 603 Modoc Modoc Mts. 1828 Comment
  CAS-BOT-BC49608  Erigeron linearis Francis Dorris Payne 1929-6-19 10 Modoc Parker Creek, Warner Mtns. 1584 Comment
  CAS-BOT-BC49612  Erigeron linearis Margaret J. Williams; et al 1988-5-30 88- 26 -3 Modoc Jess Valley, S of roadside rest. Comment
  CAS-BOT-BC49641  Erigeron linearis Alice Eastwood; John Thomas Howell 1940-6-12 8083 Modoc Jess Valley. Comment
  CHSC112357  Erigeron linearis L. P. Janeway; B. Castro 2014-6-3 11313 Modoc Great Basin. Top of knoll between the lower end of Long Canyon and the lower end of Poison springs Canyon, overlooking north end of Surprise Valley. 1567 Comment
  CHSC67084  Erigeron linearis James D. Jokerst 1987-5-13 2872 Modoc Radar Survey Site S of Doublehead Mtn., S of Clear Lake Reservoir, SE of dry lake ca. 250 m on edge of basalt flow. 1365 Comment
  JEPS89681  Erigeron linearis Dean Wm. Taylor with Glenn L. Clifton 1989-8-5 10452 Modoc cirque headwall above South Emerson Lake (Emerson Creek drainage); Warner Mountains 2560 Comment
Read comments
Jun 28 2007
  UC1035994  Erigeron linearis Helen K. Sharsmith 1955-6-23 4493 Modoc 6.7 mi e Cedar Campground (just s of State Highway 29); Warner Mountains, Modoc National Forest 1859 Comment
  UC31504  Erigeron linearis Mrs. R. M. Austin Jun 1894 Modoc lava beds e Emigrant Springs Comment
  UC895913  Erigeron linearis Lewis S. Rose 1940-6-12 Modoc 6 mi ne Alturas 1341 Comment
  RSA550621  Erigeron peregrinus subsp. callianthemus Bruce Bartholomew, B. Anderson 1988-7-23 4581 Modoc Dismal Swamp, Warner Mountains. 2180 Comment
  UC1561068  Erigeron tener Dean Wm. Taylor with Glenn L. Clifton 1989-8-5 10444 Modoc cirque headwall above South Emerson Lake (Emerson Creek drainage); Warner Mountains, Emerson Creek drainage 2560 Comment
  HSC80736  Eriogonum douglasii G. M. Riegel 1980-8-13 1064 Modoc S Warner Mtns. 1829 Comment
  UC6272  Eriogonum douglasii var. meridionale Mrs. C. C. Bruce June 1898 2315 Modoc Lake City Mt. Comment
  CAS-BOT-BC197825  Eriogonum elatum Francis Dorris Payne 1932-7-22 738 Modoc Parker Creek. 1584 Comment
  UC634522  Eriogonum elatum F. H. Frost 1925-7-12 Modoc Stow's Meadow - Cedar Canyon Warner Mts., Cedar Canyon Comment
  CAS-BOT-BC197812  Eriogonum heracleoides var. heracleoides Annie Montague Alexander; L. Kellogg 1946-7-14 5070 Modoc Emerson Peak, Horse Mountain, Warner Mts. Comment
  CHSC109507  Eriogonum heracleoides var. heracleoides L. P. Janeway; B. Castro 2012-7-26 11001 Modoc Warner Mountains. Along Highgrade National Recreation Trail 0.9 km south of Little Lily Lake and 1.4 air km north of Mt. Vida. 2340 Comment
  UC1250297  Eriogonum heracleoides var. heracleoides Annie M. Alexander and Louise Kellogg 1946-7-11 4967 Modoc slope w Eight Mile Creek (ne corner of county) 1752 Comment
  SEINET5330206  Eriogonum heracleoides var. heracleoides A. Sanger 1996-7-12 2413 Modoc Paynes Peak, along crest, near radio tower 2182 Comment
  NY572521  Eriogonum microthecum var. ambiguum B. M. Bartholomew 1991-8-5 6054 Modoc Summit Trail between Squaw Peak and Cottenwood Lake, crest of the Warner Mountains. 2530 Comment
  CAS-BOT-BC197803  Eriogonum microthecum var. laxiflorum B. Clear 1945-8-10 Modoc Newell fire tower. Comment
  HSC80881  Eriogonum microthecum var. laxiflorum G. M. Riegel 1980-8-22 1098 Modoc S Warner Mtns. 1829 Comment
  CAS-BOT-BC211437  Eriogonum nudum var. pubiflorum Alice Eastwood; John Thomas Howell 1940-6-13 8114 Modoc Surprise. Comment
  HSC81009  Eriogonum nudum var. pubiflorum G. M. Riegel 1980-7-14 869 Modoc S Warner Mtns. 1739 Comment
  UCD100708  Eriogonum nudum var. pubiflorum Richard R. Halse 2004-7-22 6671 Modoc along US Hwy 395, 6 miles north of Alturus. 1341 Comment
  NY762338  Eriogonum nudum var. pubiflorum H. D. D. Ripley 1944-6-1 6030 Modoc Foothills of Warner Mountains, west of Cedarville 1493.5 Comment
  SEINET11261515  Eriogonum nudum var. pubiflorum James L. Reveal, Mark L. Reveal 1975-8-14 3947 Modoc Along California Highway 139-299. 1.2 miles southeast of Adin Summit, about 10.5 miles north of Adin and about 31.5 miles southwest of Alturas.; 0 Comment
  SJSU12037  Eriogonum nudum var. pubiflorum E. S. O'Neill 1984-9-11 Modoc near Odin 1371 Comment
  NY283201  Eriogonum ovalifolium subsp. flavissimum L. C. Wheeler 1935-8-5 3790 Modoc Pine Creek, Warner Mountains 2377.4 Comment
  RSA164358  Eriogonum ovalifolium var. multiscapum Clare B. Hardham 1961-6-18 7549 Modoc Hills southeast of Cedar Pass 1829 Comment
  CHSC27615  Eriogonum ovalifolium var. nivale Robert Schlising 1978-7-29 3325 Modoc Warner Mountains, directly E of Warren Peak, just off summit of trail. 2852 Comment
  CHSC106004  Eriogonum prociduum James L. Reveal 2007-6-3 8828 Modoc Along U.S. Highway 395 at milepost 31.7, 1.1 mile north of the Chimney Rock Exit near Surprise and about 3.5 miles north of California Highway 299. 1402 Comment
  CAS-BOT-BC211400  Eriogonum pusillum Bruce Bartholomew 1993-6-13 6612 Modoc Near the Nevada border, E of Eagleville, Surprise Valley. 1510 Comment
  HSC63928  Eriogonum sphaerocephalum Teresa Prendusi 1980-6-19 Modoc Larkspur Seeding 3 mi. E of top of Upper Lake in the Larkspur Hills 1463 Comment
  SBBG1625  Eriogonum sphaerocephalum H. and M. Dearing 1939-6-7 3570 c Modoc near Adin 1219 Comment
  CAS-BOT-BC211386  Eriogonum sphaerocephalum var. halimioides A. D. Borden Modoc S of Shields Creek. Comment
  CAS-BOT-BC211389  Eriogonum sphaerocephalum var. halimioides Belknap C. Goldsmith 1912-7-1 56 Modoc Little Hot Spring Valley. Comment
  RSA101446  Eriogonum sphaerocephalum var. halimioides R. Weatherby 1955-7-8 1641 Modoc West side of Cedar Pass, near Warner Mts. 1646 Comment
  RSA165445  Eriogonum sphaerocephalum var. halimioides Clare B. Hardham 1961-6-19 7852 Modoc Davis creek. 1677 Comment
  SEINET11261408  Eriogonum sphaerocephalum var. halimioides D. H. Norris, T. Nelson; Steve Dowty 1971-6-23 19385 Modoc Along Hager Basin Road near Big Sage Reservoir.; 0 Comment
  UC1483805  Eriogonum sphaerocephalum var. halimioides G. Schoolcraft 1979-6-15 63 Modoc 4 mi n Hwy. 299 (on e side of Hwy. 395) 1402 Comment
  HSC75595  Eriogonum umbellatum G. M. Riegel 1980-9-3 1134 Modoc S Warner Mtns. 1829 Comment
  CHSC70474  Eriogonum umbellatum var. modocense A. Sanger 1997-6-24 2547 Modoc Low sage flat SW of Pinky's Pond. Along small drainage. 1493 Comment
  JEPS126556  Eriogonum umbellatum var. modocense Lowell Ahart, John Dittes 2016-6-6 20946 Modoc About 50 yards southwest of the intersection of County Road 87 and Access Road to Pilot Butte Parking Area, northeast base of Pilot Butte, 3.8 miles (air) east of Lookout, 7.5 miles (air) west of Adin, Ash Creek State Wildlife Area. Comment
  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
  JEPS56197  Eriogonum umbellatum var. modocense Frances D. Payne 1929-7-20 105 Modoc s and e Alturas (Parker Creek); Warner Mountains, Parker Creek 1584 Comment
  NY399205  Eriogonum umbellatum var. modocense K. Paulson 1988-5-22 7 Modoc Devil's Garden 1432.6 Comment
  RSA0114873  Eriogonum umbellatum var. nevadense L. P. Janeway 2014-7-8 11482 Modoc Modoc Plateau. East coner of Dry Creek Rim; along Road 47N08 (Corral Creek Road) 5.1 road-km north-northwest of Road 48 (along the west edge of Goose Lake). 1759 Comment
  UC412839  Eriogonum umbellatum var. nevadense Milo S. Baker Modoc near Egg Lake Comment
  CAS-BOT-BC197623  Eriogonum umbellatum var. polyanthum Margaret J. Williams; et al 1988-5-30 88- 26 -2 Modoc Jess Valley, E of Likely, S of roadside rest. Comment
  CAS-BOT-BC197779  Eriogonum umbellatum var. polyanthum Bruce Bartholomew 1989-7-15 5017 Modoc Manzanita Lookout, top of Manzanita Mountain. 2130 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-BC197605  Eriogonum vimineum Annie Montague Alexander; L. Kellogg 1946-7-17 4996 Modoc Cedar Pass, Warner Mts. Comment
  RSA101373  Eriogonum vimineum R. Weatherby 1955-7-8 1639 Modoc 3 mi. north of Ft. Bidwell, northern Warner Mts. 1555 Comment
  SEINET10299470  Eriogonum vimineum W. L. Jepson 1918-8-16 7851 Modoc Surprise Valley 1372 Comment
  CAS-BOT-BC49568  Eriophyllum lanatum Bruce Bartholomew 1989-7-15 5001 Modoc Sweagert Flat. 1860 Comment
  CAS-BOT-BC49590  Eriophyllum lanatum John H. Hatton 1911-6-22 145 Modoc Modoc National Forest 1615 Comment
  CHSC112350  Eriophyllum lanatum var. achilleoides L. P. Janeway; B. Castro 2014-2-6 11283 Modoc Great Basin. Along County Road 5 1.0 km west of the southwest corner of Cow Head Lake. 1627 Comment
  JEPS34631  Eriophyllum lanatum var. achilleoides N. T. Mirov 1929-6-16 Modoc Buck Creek Ranger Station e of Goose Lake (on Fandango Valley road); Warner Mountains 1554 Comment
  UC201710  Eriophyllum lanatum var. achilleoides W. P. Taylor and H. C. Bryant 1910-7-13 Modoc Head N. Fork Parker Cr. Warner Mountains, Head N. Fork Parker Cr. 2286 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
  SDSU4093  Eriophyllum lanatum var. achilleoides D. F. Howe 1964-7-31 3906 Modoc Modoc National Forest 8.5 miles from entrance on road from Likely, Warner Mts. 1554 Comment
  UC31672  Eriophyllum lanatum var. achilleoides Milo S. Baker 1893-6 Modoc Comment
  UC896365  Eriophyllum lanatum var. achilleoides A. A. Heller 1938-7-12 15257 a Modoc near w base Deer Mountain (on U.S. Highway 97) Comment
  UC31680  Eriophyllum lanatum var. integrifolium Milo S. Baker 1893-7-1 Modoc Lava Beds Comment
  SEINET8553351  Erodium cicutarium M. J. Williams, A. Tiehm, J. Nachlinger 1988-6-2 88- 27 -2 Modoc Highway 395 0.4 miles East of Susanville road after turn to Alturas Comment
  CAS-BOT-BC497205  Eryngium alismifolium Louis C. Wheeler 1935-8-21 3900 Modoc Davil's Garden: Pine Spring 1524 Comment
  UCD77694  Eryngium articulatum Robert E. Preston 2000-7-18 1410 Modoc Ca. 14 mi nw of Canby, on n side of Hwy 139, 0.4 mi w of Forest Service Rd 44N11, T43N R8E ne 1/4 of se 1/4 Section 31 1467 Comment
  UC1510464  Eryngium mathiasiae Phil Leitner and Barbara Malloch 1983-7-17 Modoc near Double Head Mt. (s. part of large wetland e. of rd., Modoc Nat'l Forest); Modoc Nat'l Forest Comment
  CDA38313  Eryngium mathiasiae J. Kelley 1981-7-27 s.n. Modoc Highway 139, Alturas. 0 Comment
  SEINET11249726  Erysimum capitatum var. capitatum A. Sanger 1996-6-11 2205 Modoc Crest of Paynes Peak, near radio tower. 2323 Comment
  CAS-BOT-BC58336  Erysimum repandum Francis Dorris Payne 1932-5-27 410 Modoc Parker Creek. 1584 Comment
  CAS-BOT-BC229900  Erythranthe breviflora Bruce Bartholomew 1991-7-5 5949 Modoc Coyote Meadow, near the Oregon border. 1580 Comment
  CAS-BOT-BC234502  Erythranthe guttata M. M. Hanna 1956-6-4 Modoc Cedar Pass. Comment
  SEINET13768600 Image available Erythranthe guttata Francis W. Pennell 1940-1 25749 Modoc Warner Mountains, NE of Alturas, west of Cedar Pass. 1798 Comment
  CAS-BOT-BC234513  Erythranthe microphylla Bruce Bartholomew; Barrett Anderson 1989-6-1 4728 Modoc Shake Spring, NW side of Shaffer Mountain. 1500 Comment
  CAS-BOT-BC234477  Erythranthe moniliformis R. M. Austin 1894-8-1 s.n. Modoc Lassen Creek. Comment
  CAS-BOT-BC234468  Erythranthe pulsiferae Bruce Bartholomew 1995-6-22 6974 Modoc Between Day and Lookout, 4.3 km W of Day on County Road 94. 1350 Comment
  CAS-BOT-BC190751  Eschscholzia californica Bruce Bartholomew 1989-7-14 4968 Modoc E side of Lower Roberts Reservoir and ca. 3 km NNE of Lookout. 1300 Comment
  CAS-BOT-BC190758  Eschscholzia californica R. M. Austin 1891-1-1 s.n. Modoc Modoc County. Comment
  UC1126395  Eschscholzia hypecoides R. C. Wilson 1933-7-17 66 Modoc Cannon Place Modoc National Forest, Canby Quadrangle 1447 Comment
  CAS-BOT-BC95718  Euphorbia serpillifolia M. Vasey 1990-6-30 9027 Modoc Around NW margin of Egg Lake. 1300 Comment
  SD215505  Euphorbia serpillifolia Louis C. Wheeler 1973-8-24 Modoc Warner Mountains; Sworinger Reservoir. 1798 Comment
  CAS-BOT-BC312104  Eurybia integrifolia L. S. Smith 1918-8-10 1017 Modoc Camp One, Modoc Forest 2468 Comment
  CAS-BOT-BC247717  Festuca idahoensis John Thomas Howell 1934-7-3 12376 Modoc 5 mi. S of Hackamore. 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
  SD96115  Festuca idahoensis Jack L. Reveal 1976-6-2 1838 Modoc Modoc National Forest, 48 miles south of Klamath Falls near Perez 1280 Comment
  UC1024898  Festuca idahoensis Leo Whitney 1935-5-23 3116 Modoc 15 mi nw Canby; Modoc National Forest, Hackamore 1463 Comment
  UCD65969  Festuca idahoensis R. Tofsrud 1947-7-1 253 Modoc Between Canby and Adin. Comment
  UCD65972  Festuca idahoensis A. A. Beetle; G. L. Stebbins Jr. 1942-5-30 3383 Modoc 7.3 miles E of Adin, near Indian Springs. Comment
  UCD66088  Festuca idahoensis E. Wilson 1934-5-15 Modoc 20 miles West of Alturas. Comment
  HSC9865  Festuca idahoensis M. T. Milligan 1965-6-27 370 Modoc 1677 Comment
  UC1024997  Festuca pratensis Leo Whitney 1935-7-7 3389 Modoc 4 mi nw Canby; Howard Gulch Comment
  UC1037262  Festuca pratensis Leo Whitney 1935-8-24 101 Modoc Comment
  UC869454  Floerkea proserpinacoides C. L. Hitchcock 1940-5-27 6696 Modoc 15 mi ne of Alturas 1615 Comment
  RSA165632  Floerkea proserpinacoides Clare B. Hardham 1961-6-17 s.n. Modoc Cedar Pass Camp Ground, Warner Mountains. 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
  CHSC118329  Frasera albicaulis var. modocensis L. P. Janeway 2016-5-18 12053 Modoc Modoc Plateau. Between Goose Lake and the Devils Garden area; uplands along southwest side of Goose Lake about 2.1 air-km southwest of north end of Road 48 causeway across the lake. 1434 Comment
  JEPS126537  Frasera albicaulis var. modocensis Lowell Ahart, John Dittes 2016-6-6 20954 -B Modoc About 50 yards southwest of the intersection of County Road 87 and Access Road to Pilot Butte Parking Area, northeast base of Pilot Butte, 3.8 miles (air) east of Lookout, 7.5 miles (air) west of Adin, Ash Creek State Wildlife Area. Comment
  CAS-BOT-BC191140  Fraxinus latifolia Bruce Bartholomew 1991-7-6 5982 Modoc W side of Egg Lake. 1300 Comment
  CAS-BOT-BC242104  Fritillaria atropurpurea E. H. Steffen 1917-6-21 50 Modoc Henderson Meadow. 1676 Comment
  JEPS55679  Fritillaria atropurpurea Margaret Williams 1968-5-31 6881 Modoc Cedar Pass Comment
  UC3638  Fritillaria atropurpurea Milo S. Baker 1893-6-10 Modoc Comment
  CAS-BOT-BC242097  Fritillaria pudica Bruce Bartholomew; Barrett Anderson 1989-4-28 4657 Modoc 9 km N of State Highway 299 and ca 1.5 km SE Raker & Thomas Reservoir. 1500 Comment
  CHSC42209  Fritillaria pudica C. E. Laver 1986-3-26 Modoc Ca. 11.5 mi ne of Alturas and 1 mi sw of Thomes Creek. 1524 Comment
  SDSU20641  Fritillaria pudica Sean Ryan, Michael G. Simpson 2010-6-23 65 Modoc North of Hwy 299, NE of Stough Reservoir Campground, 1.3 miles along Forest Road 43N57 from its intersection with Forest Road 43N07, 130 yards SE from road. Clearing surrounded by Juniperus. Warner Mountains. Modoc National Forest. 2087 Comment
  UC65052  Fritillaria pudica Milo S. Baker 1893-1 Modoc Forestdale Comment
  JEPS61941  Fritillaria pudica B. M. Payne 1930-3-29 342 Modoc s and e of Alturas (Warner Mountains, Parker Creek); Warner Mountains, Parker Creek 1584 Comment
  CAS-BOT-BC242087  Fritillaria recurva Bruce Bartholomew; Mona Bourell 1990-4-26 5152 Modoc 0.5 km S of Day. 1100 Comment
  CAS-BOT-BC225043  Galium aparine Bruce Bartholomew; Barrett Anderson 1989-6-2 4797 Modoc 6.4 km E of Fort Bidwell on road to Fee Reservoir, NE corner of Surprise Valley. 1460 Comment
  RSA101360  Galium aparine R. Weatherby 1955-7-8 1623 Modoc 6 miles N of Ft. Bidwell. Northern Warner Mtns. 1738 Comment
  RSA520364  Galium aparine Bruce Bartholomew, B. Anderson 1989-4-29 4672 Modoc 6.4 km E of Fort Bidwell on road to Fee Reservoir. NE corner of Surprise Valley. 1460 Comment
  CAS-BOT-BC225060  Galium bifolium Bruce Bartholomew 1991-6-21 5804 Modoc Vicinity of Lily Lake, N end of the Warner Mountains. 2030 Comment
  RSA503048  Galium bolanderi Bruce Bartholomew, B. Anderson 1988-6-23 4231 Modoc 2.1 km SSE of Day on the road to State Highway 299. 1020 Comment
  CAS-BOT-BC225073  Galium glabrescens subsp. modocense Bruce Bartholomew 1995-9-3 7177 Modoc Vicinity of pass between North Emerson Lake and Eagle Basin, E side of Warner Mountains. 2410 Comment
  SBBG22425  Galium glabrescens subsp. modocense C. B. Hardham 1961-6-18 7540 Modoc 3.2 mi E of summit of Cedar Pass Comment
  CAS-BOT-BC497345  Galium glabrescens subsp. modocense G. Schoolcraft 1999-6-9 2830 Modoc Lower slopes of Warner Mtns., 3.5 mi N of Eagleville 1584 Comment
  UCSB48876  Galium glabrescens subsp. modocense Hardham, Clare 1961-6-18 Modoc 3.2 miles east of SUmmit of Cedar Pass Comment
  UC416661  Galium mexicanum var. asperulum Mrs. M. H. Manning 1904-7-9 488 Modoc John Henry Hill John Henry Hill (ne Modoc Co.) 2133 Comment
  JEPS27648  Galium serpenticum subsp. warnerense Lauramay T. Dempster and Clare Hardham 1961-6-19 1710 Modoc mouth of canyon just se New Pine Creek; ; southeast of New Pine Creek, Modoc. Co. Comment
  RSA165561  Galium serpenticum subsp. warnerense Clare B. Hardham 1961-6-20 7865 Modoc Mouth of Pine Creek Canyon Comment
  CHSC109739  Galium triflorum B. Castro; L. P. Janeway 2012-7-28 1981 Modoc Warner Mountains. Along the major eastern tributary of Pine Creek where the road to Poison Lake crosses it (the road washed out here). 1943 Comment
  UC416653  Galium triflorum Milo S. Baker 1893-1 Modoc Forestdale Comment
  CAS-BOT-BC190843  Gayophytum diffusum subsp. parviflorum Bruce Bartholomew 1989-7-15 4988 Modoc Sweagert Flat. 1860 Comment
  CAS-BOT-BC190853  Gayophytum diffusum subsp. parviflorum Bruce Bartholomew; Barrett Anderson 1990-7-21 5585 Modoc Homestead Flat, ca. 2.5 km E of Patterson Ranger Station, E side of Warner Mts. 2160 Comment
  UC1191755  Gayophytum diffusum subsp. parviflorum Herbert L. Mason and Verne Grant 1947-7-10 13334 a Modoc 2 mi e Alturas; Dorris Reservoir 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
  SJSU9562  Gayophytum racemosum W. Savage 1979-7-3 1302 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  CAS-BOT-BC190823  Gayophytum ramosissimum John Thomas Howell 1934-6-30 12281 Modoc Duncan Horse Camp. 1355 Comment
  CAS-BOT-BC180113  Gentiana affinis var. ovata Leland S. Smith 1918-7-29 1010 Modoc Patterson Mill. 2133 Comment
  UC187819  Gentianopsis simplex Mrs. R. M. Austin Aug, 1894 95 Modoc head waters of Lassen Creek Comment
  RSA0029457  Geranium oreganum R. Weatherby 1955-7-8 1620 Modoc 6 miles north of Ft. Bidwell, Warner Mts. 1784 Comment
  POM260876  Geranium richardsonii Alice Eastwood, J. T. Howell 1940-6-13 8121 Modoc Near Davis Creek. Comment
  SBBG3924  Geranium richardsonii H. and M. Dearing 1939-6-8 3592 Modoc Pine Cyn, Warner Mtns Comment
  CAS-BOT-BC180059  Geranium viscosissimum Robert Patterson; Mona Bourell 1993-8-15 5268 Modoc Warner Mountains. Along trail from Patterson Lake to ca. 2 mi north towards Pepperdine Trailhead. 2743 Comment
  CAS-BOT-BC180064  Geranium viscosissimum Alice Eastwood; John Thomas Howell 1940-6-13 8121 Modoc Near Davis Creek. Comment
  CAS-BOT-BC180076  Geranium viscosissimum Leland S. Smith 1924-6-29 1443 Modoc Happy Camp Ranger Station. Comment
  UC748255  Geranium viscosissimum Annie M. Alexander and Louise Kellogg 1946-6-12 4726 Modoc 1 mi e Lake City 1414 Comment
  CAS-BOT-BC214665  Geum triflorum Elmer Ivan Applegate 1932-7-9 7594 Modoc N slope of Bidwell Mountain, Warner Mts. Comment
  UC1607613  Geum triflorum Barbara Ertter 1988-6-18 7618 Modoc 50 air mi sw of Klamath Falls (a few mi n of Agric, Inspection Station, 1 mi s of South Junction to Lava Beds National Monument, e of Tonesta, Hwy 139); Inspection Station, Hwy 139 1310 Comment
  UC860134  Geum triflorum Lewis S. Rose 1940-6-14 40576 Modoc 8 mi nw of Canby 1524 Comment
  CHSC118325  Geum triflorum var. ciliatum L. P. Janeway 2016-5-17 12047 Modoc Modoc Plateau. Devils Garden area; along Road 45N01 1.6 road-km east of Road 48N08/73/Crowder Flat Road; on Timbered Mountain. 1585 Comment
  CAS-BOT-BC190694  Gilia inconspicua Elmer Ivan Applegate 1935-6-7 9395 Modoc Thomas Massacre area, Lava Beds National Monument. Comment
  CAS-BOT-BC190675  Gilia sinistra subsp. sinistra Clare Butterworth Hardham 1961-6-18 7815 Modoc Cedar Pass. Comment
  UCD117558  Glaux maritima John C. Hays 1950-1 s.n. Modoc Surprise Valley. 1402 Comment
  HSC38839  Glyceria borealis J. P. Smith, J. O. Sawyer 1973-8-9 7270 Modoc Blue Lake, Modoc National Forest. 1829 Comment
  CAS-BOT-BC247697  Glyceria elata Bruce Bartholomew 1990-8-5 5673 Modoc Summit Trail, ca. 4 km N of Patterson Ranger Station, W side of Warner Mts. 2470 Comment
  HSC10062  Glyceria elata M. T. Milligan 1966-7-1 518 Modoc Slopes and ridges E of Jess Valley 1768 Comment
  CAS-BOT-BC49571  Glyptopleura marginata Bruce Bartholomew 1993-6-13 6621 Modoc Near Fortynine Creek, E of Cedarville on E side of Surprise Valley. 1400 Comment
  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
  UC1051437  Gratiola neglecta Herbert L. Mason 1955-8-14 14656 Modoc n Rim Rock Reservoir (Drift Fence Reservoir); , n of Rim Rock Reservoir Comment
  UCD132466  Grindelia camporum E. K. Balls 1954-8-2 19715 Modoc in Botanic Garden, Prop. No. 8241. From 4.2 miles northeast of junction Highways 299 and 139, along highway 299 near Canby. 1371 Comment
  CHSC105978  Grindelia nana Lowell Ahart; John Dittes 2010-8-30 17069 Modoc In a large vernal pool, about 5 yards east of the fence, south edge of the meadow, Ash Creek State Wildlife Area, 2300 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  UCR57481  Grindelia nana R. D. Goeden, Don W. Ricker 1989-8-23 890823- 14 Modoc Hwy 395, 4 mi NE of Alturas. 1345 Comment
  CAS-BOT-BC54090  Hackelia cusickii Barbara Trowbridge; D. Toren 1975-6-20 5140 Modoc Fandango Pass. 1828 Comment
  RSA293417  Hackelia cusickii Reino Alava 1957-7-6 1186 Modoc 2 miles west of Benton Meadows, Davis Creek Pass Road, Modoc Nat l Forest Comment
  RSA565105  Hackelia cusickii D. W. Taylor 1992-5-7 12527 Modoc 0.5 miles E of Duncan Reservoir, on western rim of Black Canyon. 1524 Comment
  HSC5799  Helianthella californica subsp. nevadensis M. S. Baker 1893-1 Modoc Forestdale Comment
  UC88868  Helianthella californica subsp. nevadensis Milo S. Baker 1893-6-20 Modoc Comment
  POM55333  Helianthella californica var. nevadensis Milo S. Baker 1893-6-20 s.n. Modoc [Unspecified] Comment
  CDA6194  Helianthus annuus T. C. Fuller 1958-7-8 1933 Modoc Likely/Alturas. 0 Comment
  SEINET11196832 Image available Helianthus annuus A. Carter 1946-8-18 1775 Modoc Round Valley, 3 mi NE of Adin 1402 Comment
  OBI48585  Helianthus cusickii Lewis S. Rose 1940-6-11 40512 Modoc Canby 1326 Comment
  RSA92483  Helianthus cusickii F. W. Peirson 1926-6-26 6902 Modoc between Alturas and Canby Comment
  RSA0012973  Helianthus nuttallii subsp. nuttallii Mrs. R. M. Austin 1895-08 587 Modoc Patterson Modoc Comment
  UC32310  Helianthus nuttallii subsp. nuttallii Mrs. R. M. Austin 1894-9-1 Modoc n of Alturas (banks of Pit River); Pit River Comment
  UC32401  Heliotropium curassavicum Mrs. R. M. Austin Aug., 1894 Modoc Pitt River Comment
  RSA611434  Heliotropium curassavicum var. oculatum L. C. Wheeler 1935-9-4 3943 Modoc Goose Lake: McGinty Point. 1463 Comment
  RSA795597  Hemizonia lobbii L. Ahart, John Dittes 2010-8-30 17059 Modoc Large vernal pool, about 5 yards east of the fence, south edge of the meadow, Ash Creek State Wildlife Area, 2300 feet north of Lassen County Line, about 3.6 air miles west of Adin, about 8.0 air miles northeast of Bieber, Big Valley. 1268 Comment
  CAS-BOT-BC21468  Heracleum lanatum Isabelo T. Kelly 1930-1-1 50 Modoc Fort Bidwell. Comment
  CAS-BOT-BC21469  Heracleum lanatum Roxana Stinchfield Ferris; R. Duthie 1919-6-15 163 Modoc Parker Creek at Modoc National Forest boundary. Comment
  CAS-BOT-BC21471  Heracleum lanatum Bruce Bartholomew; Barrett Anderson 1988-7-22 4539 Modoc Side Creek, W side of Lake City Canyon, E side of the Warner Mts.. 1980 Comment
  UC1191959  Heracleum lanatum Verne Grant and Irving Schneider 1947-7-21 8130 Modoc n. Alturas (N. Fork Pit R., by bridge on Hwy. 395); N. Fork Pit R. Comment
  UC748241  Heracleum lanatum Annie M. Alexander and Louise Kellogg 1946-7-29 5083 Modoc s. slope Eagle Peak; Warner Mts., Eagle Peak 2438 Comment
  CAS-BOT-BC180049  Hesperochiron californicus Bruce Bartholomew; M; M. Gilbert; L. E. Skog 1993-5-11 6492 Modoc Junction of Crowder Flat Road and the road to the N side of Big Sage Reservoir. 1580 Comment
  JEPS1677  Hesperochiron californicus L. S. Smith c. 1918 809 Modoc Warner Mts., Jess Valley 1524 Comment
  JEPS1686  Hesperochiron californicus L. S. Smith 1920-6-2 1159 Modoc near Mt. Bidwell (Dismal Swamp); Warner Mts., Bidwell Range, Dismal Swamp Comment
  UC71862  Hesperochiron californicus Mrs. M. H. Manning May, 1903 127 Modoc meadows near Fort Bidwell; n.e. Modoc Co. Comment
  CAS-BOT-BC180046  Hesperochiron californicus Leland S. Smith 1920-5-18 11515 /1 Modoc Sear's Homested. 1676 Comment
  UC124514  Hesperochiron californicus Mrs. R. M. Austin July 1894 Modoc Goose Lake Comment
  CAS-BOT-BC180033  Hesperochiron pumilus Mrs. H. C. Cantelow 1941-5-23 3479 Modoc Hwy 299 just E of Adin Pass Summit. 1576 Comment
  CAS-BOT-BC179183  Hesperolinon micranthum Helen K. Sharsmith 1955-6-25 4506 Modoc N slope of Jess Valley. 1584 Comment
  RSA504832  Hesperolinon micranthum Bruce Bartholomew, B. Anderson 1988-7-21 4404 Modoc 2.1 km SSE of Day on the road to state Highway 299 1020 Comment
  UC1536816  Heteranthera dubia Gordon H. True Jr. 1939-7-19 1007 Modoc near Canby Pit R. Comment
  CAS-BOT-BC95148  Heterocodon rariflorum Bruce Bartholomew 1992-5-16 6327 Modoc Lunsford Spring. 1600 Comment
  UC76659  Heterocodon rariflorum Milo S. Baker 1894-9-1 Modoc Forestdale Comment
  SEINET10460620  Heterocodon rariflorum Nutting 1895-9-1 NUTTING s.n. Modoc FORESTDALE Comment
  CAS-BOT-BC225788  Heuchera cylindrica Annie Montague Alexander; L. Kellogg 1946-7-3 4902 Modoc Fort Bidwell Creek Canyon, 3.5 mi. W of Fort Bidwell. Comment
  NY541342  Heuchera cylindrica B. M. Bartholomew 1990-7-20 5493 Modoc 10.3 km north of Buck Creek Ranger Station, crest of Warner Mountains, west side of Warner Mountains 2130 Comment
  SEINET6033406  Heuchera cylindrica L. P. Janeway 2014-7-7 11451 Modoc Warner Mountains, north facing slope along Road 46N25 along Mill Creek, 1.0 km from Bidwell Creek; 5.2 air km northwest of Fort Bidwell. Mt. Bidwell 7.5' quad 1554 Comment
  HSC5826  Hieracium albiflorum M. T. Milligan 1966-7-27 592 Modoc Slopes and ridges E of Jess Valley 1707 Comment
  CAS-BOT-BC49476  Hieracium scouleri Bruce Bartholomew 1989-7-15 5008 Modoc Manzanita Lookout, top of Manzanita Mountain. 2130 Comment
  CAS-BOT-BC49523  Hieracium scouleri Barrett Anderson 1986-7-9 3140 Modoc Roney Flat Rd just off Hwy 299. 1435 Comment
  RSA540061  Hieracium scouleri Bruce Bartholomew, B. Anderson 1990-7-19 5418 Modoc Top of Hunters Ridge south of Rush Creek. 1960 Comment
  UC1191965  Hippuris vulgaris Herbert L. Mason 1947-8-15 13561 Modoc spring leading into w. side Goose Lake (11 mi. from Davis Creek) Comment
  SEINET191602  Holodiscus discolor var. glabrescens Marion Ownbey, Fred G. Meyer 1940-7-1 2155 Modoc Cedar Peak, Warner Mts. Comment
  CAS-BOT-BC214696  Holodiscus microphyllus var. glabrescens Francis Dorris Payne 1929-7-26 109 Modoc Pine Creek Basin. 2133 Comment
  CAS-BOT-BC214699  Holodiscus microphyllus var. glabrescens Bruce Bartholomew 1990-8-4 5626 Modoc Slope on NE side of Pine Creek Basin on trail to Patterson Lake, W side of Warner Mts. 2520 Comment
  CAS-BOT-BC214704  Holodiscus microphyllus var. glabrescens Bruce Bartholomew 1989-7-15 5018 Modoc Manzanita Lookout, top of Manzanita Mountain. 2130 Comment
  HSC40616  Holodiscus microphyllus var. glabrescens J. P. Smith, J. O. Sawyer 1973-8-8 7244 Modoc S slopes of Eagle Peak 2561 Comment
  UCD85367  Hordeum brachyantherum subsp. brachyantherum Beecher Crampton 1954-7-7 2165 Modoc 2.5 miles east of Alturas. Near Radio Station KCNO. Comment
  CAS-BOT-BC214716  Horkelia tridentata Bruce Bartholomew; Barrett Anderson 1989-6-3 4901 Modoc ca. 8 km WNW of Long Bell Ranger Station. 1350 Comment
  CAS-BOT-BC179329  Hydrophyllum capitatum var. alpinum M. M. Hanna 1956-6-5 963 Modoc Cedar Pass Camp ground. Comment
  CAS-BOT-BC180029  Hydrophyllum capitatum var. alpinum Betty J. Hammerly 1941-6-20 28 Modoc Along Clear Lake, S end of Warner Mts. Comment
  UC107176  Hydrophyllum capitatum var. alpinum Mrs. R. M. Austin May 1894 Modoc Goose Lake Valley Comment
  UC1586869  Hydrophyllum capitatum var. alpinum Juha Pykala and D. H. Norris 1987-5-28 1193 Modoc slope near Thoms Creek (Cedar Park campground); Modoc National Forest 1783 Comment
  UC615123  Hydrophyllum capitatum var. alpinum Beryl O. Schreiber 1934-6-9 1157 Modoc Patterson Mill; Warner Mountains Comment
  CAS-BOT-BC179326  Hydrophyllum capitatum var. alpinum Lindsay Stuart Smith; E. H. Steffen 1917-5-21 3 Modoc West Valley camp. 1524 Comment
  RSA727897  Hymenolobus procumbens Noel Holmgren, Patricia K. Holmgren 1998-5-30 12995 Modoc Surprise Valley, Modoc County Road 299, 6.9 km (4.3 mi) E of downtown Cedarville, at turnoff to some hotsprings. 1370 Comment
  CHSC109445  Hymenoxys hoopesii L. P. Janeway; B. Castro 2012-7-24 10972 Modoc Warner Mountains. Northwestern flank of Mount Bidwell; 1.2 air km south of Dismal Swamp. 2362 Comment
  CAS-BOT-BC179905  Hypericum anagalloides Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10565 Modoc East Creek ca. 1 mi. E of Patterson Ranger Station, Warner Mts. Comment
  JEPS4573  Hypericum anagalloides Frances D. Payne 1935-7-19 795 Modoc s. and e. of Alturas (mouth of Dry Creek - a tributary of Parker Creek); Warner Mts., Dry Creek Comment
  SEINET10720072  Hypericum anagalloides Louis C. Wheeler Wheeler 3954 Modoc McGinty Reservoir, Devil's Garden. S29, T46N, R13E 1463 Comment
  UC69287  Hypericum formosum var. scouleri Mrs. M. H. Manning 1903-7 204 Modoc near Fort Bidwell; n.e. Modoc co. Comment
  CAS-BOT-BC179893  Hypericum scouleri R. M. Austin 1894-1-1 Modoc Davis Creek. Comment
  HSC81092  Hypericum scouleri G. M. Riegel 1980-7-29 963 Modoc S Warner Mtns. 2100 Comment
  CAS-BOT-BC49488  Hypochaeris glabra Bruce Bartholomew 1992-5-15 6287 Modoc Vicinity of Leonard Hot Spring, E side of Surprise Valley. 1370 Comment
  RSA59821  Idahoa scapigera E. K. Balls 1950-5-18 14757 Modoc N of Upper Rush Creek Public Camp; 2.5 mi. east from Hwy. 299 1738 Comment
  CHSC118846  Iliamna bakeri L. P. Janeway 2015-8-10 11829 Modoc Warner Mountains. Near the spring on northwest side of Road 29N21 1.0 road-km north of Road 64 (39N01 - the road to Patterson Campground); about 400 m southeast of Sunflower Knob. 2174 Comment
  CAS-BOT-BC190655  Ipomopsis aggregata subsp. aggregata Bruce Bartholomew 1989-7-14 4952 Modoc ca. 6.5 km NE of Egg Lake and 0.8 km E of Survice Gulch. 1340 Comment
  CAS-BOT-BC190645  Ipomopsis congesta subsp. montana Elmer Ivan Applegate 1932-8-1 8033 Modoc Bald, arid summit of Warner Mts. just S of Warren Peak. 2133 Comment
  CAS-BOT-BC248372  Ipomopsis tenuituba B. Bartholomew; H. Sun 2002-6-24 8863 Modoc Fandango Pass on the E side of the Warner Mountains near the crest of the mountains 1820 Comment
  SEINET4170726  Iris missouriensis C. L. Hitchcock 1940-5-28 Modoc 15 miles N. of Alturas. 1402 Comment
  UC117145  Iris missouriensis Mrs. R. M. Austin Jun 1894 75 Modoc Goose Lake Valley Comment
  UC2043246  Isatis tinctoria Barbara Ertter 1995-7-1 14457 Modoc Highway 395 south of New Pine Creek on Oregon border, at junction of County Road 44. Comment
  RSA639341  Isoetes bolanderi L. C. Wheeler 1935-8-14 3857 Modoc Cave Lake, Pine Creek, Warner Mtns. (Mt Diablo Mer.) 2073 Comment
  RSA520341  Iva axillaris subsp. robustior Bruce Bartholomew, B. Anderson 1989-6-2 4831 Modoc 6.4 km E of Eagleville on the road to the California state border, E side of Surprise Valley. 1550 Comment
  UC1192143  Iva axillaris subsp. robustior Herbert L. Mason and Verne Grant 1947-7-10 13344 Modoc 2 mi e of Alturas; Dorris Reservoir Comment
  RSA312499  Iva axillaris subsp. robustior Verne Grant, Irving Schneider 1947-7-21 8110 Modoc N Fork of Pit River, 0.25 mile upstream from confluence with S Fork, by Alturas. Comment
  JEPS86283  Ivesia baileyi var. beneolens Dean Wm. Taylor with Glenn Clifton 1990-6-25 11164 Modoc Cedar Pass Warner Mountains, Davis Creek 15' U.S.G.S. topographic map (n slope of Peak 7298) 2148 Comment
  CAS-BOT-BC214719  Ivesia gordonii Bruce Bartholomew 1990-8-4 5643 Modoc Top of pass on Summit Trail, ca. 0.5 km SE of Patterson Lake, E side of Warner Mts. 2800 Comment
  UC1573169  Ivesia gordonii Dean Wm. Taylor with Glenn L. Clifton 1989-8-5 10464 Modoc summit ridge Eagle Peak; Warner Mountains 3002 Comment
  HSC80694  Ivesia gordonii var. ursinorum G. M. Riegel 1980-8-9 1014 Modoc S Warner Mtns. 1829 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
  RSA0113961  Juncus bufonius var. bufonius Lowell A. Ahart, John Dittes 2013-7-24 18929 Modoc About 50 yards south of the levee road, north side of Ash Creek Floodplain, 0.54 mile (air) southeast of Pilor Butte Parking Area, 1.1 miles (air) south of County Road 87, 6.8 miles (air) west of Adin, Big valley. 1263 Comment
  CAS-BOT-BC10596  Juncus ensifolius Elmer Ivan Applegate 1932-7-7 8225 Modoc Lily Lake, Bidwell Pass, Warner Mountains. Comment
  UC1536801  Juncus ensifolius Gordon H. True Jr. 1939-6-30 1018 Modoc e of Alturas; Parker Creek Comment
  CAS-BOT-BC245054  Juncus hemiendytus var. hemiendytus Bruce Bartholomew 1995-6-3 6956 Modoc Fletcher Creek E of Pease Cabin between Goose Lake and Crowder Flat Road. 1520 Comment
  RSA577912  Juncus hemiendytus var. hemiendytus L. C. Wheeler 1935-8-1 3739 Modoc Dismal Swamp. Twenty Mile Creek, Warner Mountains. 2226 Comment
  UC1100956  Juncus mexicanus Herbert L. Mason and Verne Grant 1947-7-12 13426 Modoc n of Likely (s loop of w side road) Comment
  CAS-BOT-BC245044  Juncus nevadensis Bruce Bartholomew; Barrett Anderson 1988-7-23 4584 Modoc Vicinity of Blue Bell Mine between Lily Lake and Dismal Swamp, Warner Mts.. 2170 Comment
  CHSC30638  Juncus nevadensis N. E. H. Prouty 1980-7-1 193 Modoc Modoc Nat. Forest. Bear Flat T.S. Along drainage running south from Bear Flat Pond into Soup Creek. 1798 Comment
  LA91908  Juncus nevadensis var. nevadensis C. L. Hitchcock; 1940-5-27 6715 Modoc 15 mi. NE of Alturas Comment
  CAS-BOT-BC497338  Juncus orthophyllus G. Schoolcraft 1996-7-23 2541 Modoc E. of Yankee Jim Ranch 1645 Comment
  UCR67433A  Juncus saximontanus George K. Helmkamp 1990-9-23 J- 12 Modoc Warner Mtns, Goose Lake, within 0.1 mi of the Oregon border 1476 Comment
  UCD142366  Juncus tenuis L. S. Smith 1918-6-14 s.n. Modoc south-facing slope. Buck Creek RS. 1524 Comment
  CHSC115508  Juncus trilocularis L. P. Janeway 2014-7-8 11468 Modoc Modoc Plateau. East corner of Dry Creek Rim; along Road 47N08 (corral Creek Road) 3.1 road-km north-northwest of Road 48 (along the west edge of Goose Lake). 1650 Comment
  SEINET4856379  Juncus trilocularis Louis C. Wheeler 1935-9-23 4001 Modoc Modoc NF: Pease Flat; Devil's Garden. 1524 Comment
  CAS-BOT-BC30162  Juniperus communis var. montana Francis Dorris Payne 1932-7-1 653 Modoc Pine Creek Basin, Warner Mts. Comment
  CAS-BOT-BC81193  Juniperus occidentalis M. B. Kildale 1926-9-11 2767 Modoc between Malin, Oregon and Alturas 1371 Comment
  UC1044490  Juniperus occidentalis Mrs. B. N. Berry 1955-9-30 Modoc n Timber Mountain (on hwy between Klamath Falls and Canby); Modoc National Forest 1341 Comment
  UC401375  Juniperus occidentalis Belknap C. Goldsmith 1911-5-21 Modoc county road near Goose Lake; Modoc National Forest Comment
  SEINET3864738 Image available Juniperus occidentalis Jeffrey Huber 1971-6-3 84 Modoc 5 mi. S. of Canby on Calif. Hwy. 299.; 0 1280 Comment
  JEPS121195  Juniperus occidentalis var. occidentalis Lowell Ahart, John Dittes 2013-7-25 18949 Modoc 20 yards N of the E-W fence, S edge of Ash Creek floodplain, NE of Patterson Homestead, E of Elkins Lane, 1.0 air mile S of County Road 87, 3.14 air miles W of Adin, Big Valley. Comment
  RSA597867  Juniperus occidentalis var. occidentalis F. C. Vasek 1962-9-2 620902 -13 Modoc 4.2 miles east of Likely 1738 Comment
  UC1044491  Juniperus osteosperma Mrs. B. N. Berry 1955-9-30 Modoc between Klamath Falls and Canby (s of Timber Mountain on highway); Modoc National Forest 1341 Comment
  CAS-BOT-BC95673  Kalmia polifolia Bruce Bartholomew 1994-7-3 6838 Modoc Mineral Spring, SW of Dismal Swamp, N end of the Warner Mountains. 2310 Comment
  SD46617  Kalmia polifolia Robert J. Weatherby 1955-7-7 1598 Modoc Mineral Spring near Dismal Swamp, Warner Mountains. 2330 Comment
  RSA101507  Kalmia polifolia subsp. microphylla R. Weatherby 1955-7-7 1598 Modoc Mineral Spring, near Dismal Swamp, Warner Mts. 2332 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
  HSC30200  Kelloggia galioides D. H. Norris, S. Dowty, T. Nelson 1971-6-23 19514 Modoc Big Valley Summit, 6 mi. W of Adin on Hwy. 299 Comment
  UC76672  Kelloggia galioides Milo S. Baker Modoc Forestdale Comment
  CDA3143  Kochia scoparia T. C. Fuller 1962-8-29 9484 Modoc Between road and canal of the South Fork of the Pit River, Pit River Ranch, ca. 5 miles north of Likeley. 0 Comment
  CHSC85185  Koeleria macrantha John Dittes; Josephine Guardino 1991-7-21 438 Modoc Modoc Plateau; Big Valley; Ash Creek Wildlife Area; ca. 5.7 air-miles northeast of Bieber, ca. 7.6 air-miles west of Adin, ca. 1.5 air-mile southeast of Pilot Butte summit, meadow at northern edge of Ash Creek Floodplain (Big Swamp) at southeast base of Pilot Butte. 1258 Comment
  HSC80845  Koeleria macrantha G. M. Riegel 1979-7-31 636 Modoc S Warner Mtns. 1829 Comment
  UC1024945  Koeleria macrantha Leo Whitney 1935-7-2 3325 Modoc ca 17 mi nw Canby; Badger Wells Comment
  CAS-BOT-BC49492  Lactuca serriola James D. Jokerst 1983-7-27 1900 Modoc Near Signal Butte. 1340 Comment
  UC1964693  Lactuca tatarica subsp. pulchella Mrs. R. M. Austin 1894-1 236 Modoc Goose Lake Valley. Sequoia Mills Comment
  JEPS114498  Lagophylla ramosissima Lowell Ahart, John Dittes 2008-8-25 15327 Modoc On the west side County Road 91, 3.9 miles (air) north-northeast of Lookout 1275 Comment
  JEPS121199  Lagophylla ramosissima Lowell Ahart, John Dittes 2013-7-25 18946 Modoc 30 yards N of the E-W fence, S edge of Ash Creek floodplain, NE of Patterson Homestead, E of Elkins Lane, 1.0 air mile S of County Road 87, 3.14 air miles W of Adin, Big Valley. Comment
  CAS-BOT-BC49494  Lagophylla ramosissima subsp. ramosissima Alice Eastwood; John Thomas Howell 1940-6-14 8202 Modoc Near Kelly Hot Spring. Comment
  CAS-BOT-BC49495  Lagophylla ramosissima subsp. ramosissima Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16375 Modoc Junction of Cedar Pass road and Hwy 299, 5.5 mi. N of Alturas Comment
  CAS-BOT-BC49497  Lagophylla ramosissima subsp. ramosissima John Thomas Howell 1934-6-11 11939 Modoc Parker Creek, Warner Mtns. 1584 Comment
  CHSC100459  Lagophylla ramosissima subsp. ramosissima Lowell Ahart; John Dittes 2008-8-25 15327 Modoc On the west side County Road 91, 3.9 miles (air) north-northeast of Lookout. 1275 Comment
  CHSC107339  Lamium amplexicaule Lowell Ahart; John Dittes 2011-6-21 17523 Modoc About 100 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
  JEPS63245  Lamium amplexicaule L. S. Smith 1919-5-7 1093 Modoc Jess Valley; Warner Mts. Comment
  RSA550615  Lappula occidentalis var. occidentalis Bruce Bartholomew, B. Anderson 1989-6-2 4821 Modoc At the SE corder of Upper Alkali Lake, E side of Surprise Valley. 1400 Comment
  CAS-BOT-BC54068  Lappula redowskii Bruce Bartholomew; Barrett Anderson 1989-6-2 4821 Modoc Sand dunes at the SE corder of Upper Alkali Lake, E side of Surprise Valley. 1400 Comment
  CHSC85155  Lasthenia glaberrima John Dittes; Josephine Guardino 1991-7-21 408 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
  JEPS55280  Lathyrus lanszwertii Milo S. Baker 1896-5-31 Modoc Fall River Mountains, se Modoc Co. Fall River Mountains Comment
  CAS-BOT-BC49455  Layia glandulosa C. C. (Mrs.) Bruce 1898-6-1 2172 Modoc Near Alturas. Comment
  CAS-BOT-BC49454  Layia glandulosa Mrs. H. C. Cantelow 1940-6-2 3348 Modoc W of Alturas on rd. to Lava Beds National Monument. Comment
  UC71695  Lemna turionifera Mrs. M. H. Manning 1893-2 320 Modoc near Fort Bidwell (in Northeastern Modoc County) Comment
  CAS-BOT-BC245030  Lemna turionifera Verne Grant; I. Schneider 1947-7-19 8064 Modoc Corporation Ranch, S of south loop road. Comment
  CAS-BOT-BC88678  Lepidium acutidens Ellsworth Bethel 1923-4-25 s.n. Modoc Kelby Hot Springs. Canby. Comment
  CHSC100008  Lepidium appelianum Lowell Ahart; John Dittes 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. 1273 Comment
  CAS-BOT-BC58458  Lepidium campestre Bruce Bartholomew 1992-5-16 6315 Modoc Wet pasture just E of the town of Davis Creek. 1480 Comment
  JEPS114372  Lepidium dictyotum var. dictyotum Lowell Ahart, John Dittes 2008-6-21 15011 Modoc Along a large levee, in Big Valley, about 4.3 miles (air) northeast of the Headquarters at Ash Creek State Wildlife Area, about 7.3 miles (air) northeast of Bieber 1266 Comment
  CAS-BOT-BC58346  Lepidium montanum subsp. canescens John Thomas Howell 1934-6-15 12182 Modoc Alturas. Comment
  CDA18851  Lepidium perfoliatum R. Breckenridge 1999-6-15 PDR 1198610 Modoc Jones Lane, approx. 1/2 mi. N of Co. Rd. 115 crossing of Hwy 395 & 1/2 mile W of 395. 0 Comment
  CAS-BOT-BC58643  Lepidium pubecarpum Bruce Bartholomew 1989-7-14 4956 A Modoc Survice Gulch ca. 3 km NE of Egg Lake. 1340 Comment
  CAS-BOT-BC190631  Leptodactylon pungens Alice Eastwood; John Thomas Howell 1940-6-12 8048 Modoc Between Likely and Jess Valley. Comment
  SJSU9700  Leptosiphon harknessii W. Savage 1979-7-10 1533 Modoc Oregon Rim Unit, Devils Garden District, Modoc National Forest 1645 Comment
  UC13773  Leucocrinum montanum Milo S. Baker c. 1893 Modoc Modoc or Lassen County Comment
  POM260001  Leucophysalis nana C. Leo Hitchcock 1940-5-27 6700 Modoc 15 miles northeast of Alturas. 1616 Comment
  RSA26470  Leucophysalis nana Alice Eastwood, John T. Howell 1940-6-13 8191 Modoc West side of Cedar Pass. Comment
  CAS-BOT-BC197452  Lewisia nevadensis Leland S. Smith 1918-5-31 930 Modoc Little Grizzley Ranger Station, Lassen Creek. 1828 Comment
  HSC80774  Lewisia nevadensis G. M. Riegel 1978-7-12 63 Modoc S Warner Mtns. 2100 Comment
  CAS-BOT-BC197498  Lewisia pygmaea Annie Montague Alexander; L. Kellogg 1946-7-29 5086 Modoc Head of Eagle Creek, Warner Mts. Comment
  CAS-BOT-BC197491  Lewisia rediviva Elmer Ivan Applegate 1932-7-9 7606 Modoc Summit of Bidwell Mountain, Warner Mts. Comment
  UC1031363  Lewisia rediviva R. C. Wilson 1933-6-11 46 Modoc Rush Creek Camp Modoc National Forest, Alturas Quadrangle Comment
  SJSU9824  Lewisia rediviva H. L. Buckalew 1961-6-26 Modoc Deep Cr Canyon, Warner Mts 1752 Comment
  CDA32457  Leymus cinereus G. D. Barbe, T. C. Fuller 1979-8-21 2546 Modoc East side of County Highway 1, 5.6 km south of Fort Bidwell, 3.2 lm north of Fandango Pass Road. 0 Comment
  JEPS117172  Leymus triticoides Lowell Ahart, John Dittes 2010-8-31 17131 Modoc West side of Elkins Lane, about 10 yards south of the bridge across Ash Creek, Ash Creek State Wildlife Area, 4215 feet north of Lassen County line, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley 1267 Comment
  JEPS73997  Leymus triticoides Frances D. Payne 1932-7-18 703 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  UC1024935  Leymus triticoides Leo Whitney 1935-7-1 3341 Modoc 17 mi nw Canby; Badger Wells Comment
  UC1024976  Leymus triticoides Leo Whitney 1935-7-6 3422 Modoc Crank Springs Comment
  UC1037181  Leymus triticoides Leo Whitney 1935-8-3 3613 Modoc Buck Creek Comment
  UCD32734  Leymus triticoides Beecher Crampton 1954-7-8 2179 Modoc Modoc County, Warner Mountains, 15 miles east of Likely, along road to Jess Valley. 1676 Comment
  CHSC40543  Lilium pardalinum subsp. pardalinum J. D. Jokerst 1983-6-12 1840 Modoc Small creek that flows through the Upper Rush Cr. Campground ca 100 meters upstream from the camp. Ca 8 miles north of Aden. Comment
  CAS-BOT-BC242073  Lilium pardalinum subsp. shastense Bruce Bartholomew 1989-7-14 4933 Modoc Along Rush Creek between Lower and Upper Rush Creek Campgrounds. 1580 Comment
  CHSC117367  Limosella acaulis Lowell Ahart; John Dittes 2016-7-14 21197 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-BC238354  Limosella aquatica Alice Eastwood; John Thomas Howell 1940-6-12 8099 Modoc Midway between Likely and Alturas Comment
  CAS-BOT-BC198032  Linanthus harknessii Robert Patterson; Mona Bourell 1993-8-15 5242 Modoc Warner Mountains. Along trail from Patterson Lake to ca. 2 mi north towards Pepperdine Trailhead. 2743 Comment
  UC629080  Linanthus harknessii Louis C. Wheeler 1935-8-16 3868 Modoc Dismal Swamp, Warner Mts., Twenty-Mile Creek 2225 Comment
  UC880256  Linanthus harknessii Lewis S. Rose 1940-6-14 40573 Modoc 8 mi nw Canby 1524 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
  UC629053  Linanthus nuttallii subsp. nuttallii Louis C. Wheeler 1935-8-5 3789 Modoc Little Lily Lake Warner Mts., Pine Creek 2286 Comment
  CAS-BOT-BC179157  Linum lewisii C. L. Hitchcock 1940-5-27 6709 Modoc 15 mi. NE of Alturas. 1676 Comment
  CHSC23910  Linum lewisii var. lewisii M. T. Milligan 1965-6-26 340 Modoc Eagle Peak Region, Warner Mountains. East slope eroded volcanic plateau. 1676 Comment
  CAS-BOT-BC242177  Listera convallarioides C. C. (Mrs.) Bruce 1898-1-1 s.n. Modoc Field redacted by CAS, contact the data manager for more information Comment
  UC13523  Listera convallarioides Milo S. Baker 1893-7-16 Modoc Comment
  RSA101503  Lithophragma glabrum R. Weatherby 1955-7-7 1601 Modoc Dismal Swamp, northern Warner Mountains. 2241 Comment
  CAS-BOT-BC225816  Lithophragma glabrum E. H. Steffen 1917-5-27 16 Modoc West Valley Camp. 1554 Comment
  CAS-BOT-BC225827  Lithophragma parviflorum Mrs. H. C. Cantelow 1941-5-23 Modoc 2 mi. W of Adin Pass Summit, W of Alturas, near U.S. Hwy 299. Comment
  JEPS47672  Lithophragma parviflorum Milo S. Baker 1893-1 Modoc Big Valley; Craig's Comment
  UC190608  Lithophragma parviflorum M. F. Gilman 543 Modoc Comment
  CAS-BOT-BC225847  Lithophragma tenellum Leland S. Smith 1919-5-3 1087 Modoc Rock Spring. 1722 Comment
  CAS-BOT-BC248315  Lithophragma tenellum B. Bartholomew; H. Sun 2002-6-24 8857 Modoc Headwaters of Davis Creek, W side of the Warner Mountains 2160 Comment
  HSC80939  Lithospermum ruderale G. M. Riegel 1980-7-27 935 Modoc S Warner Mtns. 1739 Comment
  CAS-BOT-BC21450  Lomatium bicolor var. leptocarpum Roxana Stinchfield Ferris; R. Duthie 1919-6-15 179 Modoc Parker Creek. Comment
  CHSC67326  Lomatium bicolor var. leptocarpum James D. Jokerst 1986-8-10 2752 Modoc Radar Survey Site S of Doublehead Mtn., ca. 400 m NE of a NW-SE-oriented fence and road. 1341 Comment
  UC1561074  Lomatium bicolor var. leptocarpum Dean Wm. Taylor with Glenn L. Clifton and Rexford E. Palmer 1987-6-7 9015 Modoc s.e. margin Egg Lake (along outlet stream draining into Kramer Reservoir); Upper Modoc plateau, Egg Lake 1408 Comment
  UC748468  Lomatium bicolor var. leptocarpum Annie M. Alexander and Louise Kellogg 1946-6-26 4839 Modoc n. end Warner Mts., Dismal Swamp 2255 Comment
  CAS-BOT-BC497331  Lomatium bicolor var. leptocarpum G. Schoolcraft 1998-5-19 2708 Modoc 1/2 mi E of Hwy 395 on Hwy 299, E. Alturas 1386 Comment
  UC21263  Lomatium bicolor var. leptocarpum Mrs. R. M. Austin and Bruce June 1898 2283 Modoc Fields, Goose Lake Comment
  CAS-BOT-BC30167  Lomatium dissectum var. multifidum John H. Hatton 1911-6-13 69 Modoc Rush Creek. 1371 Comment
  CAS-BOT-BC30173  Lomatium dissectum var. multifidum Bruce Bartholomew; Mona 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-BC30146  Lomatium macrocarpum Isabel T. Kelly 1930-1-1 21 Modoc Cowhead Lake. Comment
  SEINET8688190  Lomatium macrocarpum M. J. Williams 1988-5-30 88- 26 -1 Modoc Jess Valley, E of Likely, S of roadside rest 1524 Comment
  HSC42214  Lomatium nevadense S. Saufferer 1973-5-5 132 Modoc About 7 1/2 mi. S of Pine Creek along Hwy. 395 Comment
  NY1066292  Lomatium nevadense B. M. Bartholomew 1989-4-29 4669 Modoc 6.4 km E of Fort Bidwell on road to Fee Reservoir, NE corner of Surprise Valley. 1460 Comment
  CAS-BOT-BC15756  Lomatium nevadense var. nevadense Clare Butterworth Hardham 1961-6-18 7590 A Modoc Cedar Pass. 1828 Comment
  RSA540073  Lomatium nevadense var. nevadense Bruce Bartholomew, Anderson 1989-4-29 4669 Modoc 6.4 km E of Fort Bidwell on rad to Fee Reservoir, NE corner of Surprise valley. 1460 Comment
  UC106256  Lomatium nevadense var. parishii Mrs. R. M. Austin May 1894 415 Modoc Goose Lake Valley Comment
  CAS-BOT-BC15729  Lomatium piperi Bruce Bartholomew 1993-4-3 6410 Modoc Just S of Adin Pass on State Hwy 299. 1600 Comment
  CAS-BOT-BC15774  Lomatium piperi Bruce Bartholomew; Barrett Anderson 1988-5-13 4164 Modoc Granger Summit, ca. 10 km NW of Pepperdine at the top of the Warner Mts.. 1770 Comment
  CAS-BOT-BC15775  Lomatium piperi Harry Dwight Dillon Ripley; Rupert Charles Barneby 1944-6-1 6000 Modoc Cedar Pass. 1920 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
  SEINET195701  Lomatium triternatum Annie M. Alexander, Louise Kellogg 1946-6-27 4842 Modoc Highgrade (top of ridge 2 miles by road from Dismal Swamp) north end of Warner Mountains Comment
  CAS-BOT-BC21423  Lomatium triternatum var. triternatum Annie Montague Alexander; L. Kellogg 1946-6-27 4842 Modoc Highgrade, top of ridge 2 mi. by road from Dismal Swamp. 2377 Comment
  CAS-BOT-BC21392  Lomatium vaginatum Margaret J. Williams; et al 1988-5-30 88- 26 -5 Modoc Jess Valley, E of Likely, S of roadside rest. Comment
  CAS-BOT-BC21394  Lomatium vaginatum Harry Dwight Dillon Ripley; Rupert Charles Barneby 1944-5-30 5972 Modoc N of Likely. 1371 Comment
  CAS-BOT-BC21400  Lomatium vaginatum John Thomas Howell 1934-6-11 11941 A Modoc Parker Creek. 1584 Comment
  CAS-BOT-BC21395  Lomatium vaginatum E. H. Steffen 1930-5-27 18 Modoc West Valley Camp. 1524 Comment
  OBI81742  Lomatium vaginatum Tracey Call, Viola Call 1961-5-30 2055 Modoc 16 miles north of Alturas. Comment
  CAS-BOT-BC95170  Lonicera interrupta Fred. P. Cronemiller 1920-7-1 20 Modoc Bieber Range. 1524 Comment
  UC748303  Lotus crassifolius var. crassifolius Annie M. Alexander and Louise Kellogg 1946-7-7 4938 Modoc Eight Mile Creek 1752 Comment
  UC71807  Lotus denticulatus Mrs. M. H. Manning Jun 1904 463 Modoc near Fort Bidwell (ne Modoc County) Comment
  UC15562  Lotus denticulatus Milo S. Baker 1893-6-28 Modoc near Pitt River Comment
  CAS-BOT-BC181954  Lotus humistratus Bruce Bartholomew 1991-6-21 5820 Modoc N side of Mud Lake, 5.3 km S of Forest Service road 73 on road to Rim Rock Valley. 1570 Comment
  CAS-BOT-BC181944  Lotus purshianus var. purshianus Louis Cutter Wheeler 1935-9-4 3947 Modoc McGinty Point, Goose Lake. 1463 Comment
  JEPS117168  Lotus purshianus var. purshianus Lowell Ahart, John Dittes 2010-8-30 17068 Modoc About 5 yards east of fence, south edge of the meadow, Ash Creek State Wildlife Area, 2300 feet north of Lassen County line, 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley 1267 Comment
  UC748304  Lotus purshianus var. purshianus Annie M. Alexander and Louise Kellogg 1946-7-7 4934 Modoc Eight Mile Creek, ne corner of county Eight Mile Creek 1752 Comment
  RSA503054  Lotus unifoliolatus Bruce Bartholomew, B. Anderson 1988-6-23 4223 Modoc 2.1 km SSE of Day on the road to State Highway 299. 1020 Comment
  CAS-BOT-BC181930  Lupinus Bruce Bartholomew; Barrett Anderson 1988-6-24 4348 Modoc South Barber Creek, 6.3 km SW of County Road 1 on County Road 42, E side of the Warner Mts.. 1790 Comment
  CAS-BOT-BC498665  Lupinus C. B. Wolf 1931-9-4 2398 Modoc At Canby 1325 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
  RSA554810  Lupinus Margaret J. Williams, Thad Holcomb, Betty Holcomb, Lois Saxton 1988-5-28 88- 24 -1 Modoc Grade up to Crowder Flat from Hwy 229, W of Alturas. 1479 Comment
  CAS-BOT-BC181907  Lupinus arbustus Mrs. H. C. Cantelow 1940-5-31 Modoc East of Indian Springs Comment
  CAS-BOT-BC181911  Lupinus arbustus Elmer Ivan Applegate 1932-7-31 7953 Modoc Mill Creek Meadows, W slope of Warner Mts. Comment
  CAS-BOT-BC181918  Lupinus arbustus Robert Patterson; Mona Bourell 1993-8-14 5227 Modoc Patterson Lake. South Warner Wilderness Area. Warner Mountains. 2743 Comment
  UC748285  Lupinus arbustus Annie M. Alexander and Louise Kellogg 1946-7-17 5004 Modoc near Benton Meadow (Warner Mountains); , near Benton Meadow 2072 Comment
  UCR34700  Lupinus arbustus J. A. Harpel 1981-8-6 V 25 Modoc Warner Mtns, South Warner Wilderness Area: E end of Patterson Lake, 7 mi NW of Eagleville 2744 Comment
  RSA59734  Lupinus arbustus subsp. calcaratus E. K. Balls 1950-5-20 14798 Modoc 1.5 miles below Clear Lake, from Likely, South Fork Pitt River. 1677 Comment
  CAS-BOT-BC182179  Lupinus argenteus Francis Dorris Payne 1931-6-20 206 Modoc Parker Creek, Warner Mts. 1584 Comment
  CAS-BOT-BC182218  Lupinus argenteus H. P. Bracelin 1931-6-30 500 Modoc S end of Alturas. 1524 Comment
  CAS-BOT-BC182224  Lupinus argenteus C. B. Wolf 1931-9-4 2398 Modoc Canby. Comment
  UC865119  Lupinus argenteus A. A. Heller 1938-6-24 15222 Modoc between Alturas and Canby; between Alturas and Canby 1341 Comment
  UC748288  Lupinus argenteus Annie M. Alexander and Louise Kellogg 1946-7-7 4917 Modoc Cedarville , Cedarville (Surprise Valley) Comment
  SEINET10870583  Lupinus argenteus subsp. argenteus Charles Piper Smith 1947-6-13 Smith 47450 Modoc Hwy 299, 2.5 miles s Comment
  POM212695  Lupinus argenteus var. argenteus H. P. Bracelin 1931-6-30 500 Modoc Alturas, south end of town. 1524 Comment
  CAS-BOT-BC182086  Lupinus argenteus var. heteranthus C. P. Smith 1947-6-13 47465 Modoc Highway 395, Pine Creek (town), S edge. Comment
  CAS-BOT-BC182089  Lupinus argenteus var. heteranthus Alice Eastwood; John Thomas Howell 1940-6-12 8074 Modoc Between Likely and Jess Valley. Comment
  CAS-BOT-BC182099  Lupinus argenteus var. heteranthus R. M. Austin 1884-7-1 121 Modoc Hills Comment
  CAS-BOT-BC182117  Lupinus argenteus var. heteranthus Annie Montague Alexander; L. Kellogg 1946-6-12 4739 Modoc Fandango Pass road. 1706 Comment
  CHSC112820  Lupinus argenteus var. heteranthus Lowell Ahart; John Dittes 2013-7-25 18953 Modoc 10 yards north of the east-west fence, south edge of Ash Creek Floodplain, northeast of Patterson Homestead, east of Elkins Lane, 1.0 mile (air) south of County Road 87, 3.14 miles (air) west of Adin, Big Valley. 1267 Comment
  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
  NY736940  Lupinus argenteus var. heteranthus L. C. Wheeler 1935-8-7 3805 Modoc Pine Creek, Warner Mountains 1554 Comment
  NY736943  Lupinus argenteus var. heteranthus A. Eastwood 1940-6-12 8074 Modoc Between Likely and Jess Valley Comment
  RSA0039533  Lupinus argenteus var. heteranthus Lowell A. Ahart, John Dittes 2012-7-10 18330 Modoc About 300 yards northeast of the old barn, on the sides of the mowed road. Ash Creek State Wildlife Area, about 3.9 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  UC199847  Lupinus argenteus var. heteranthus M. F. Gilman 664 Modoc slopes 1524 Comment
  UCR101906  Lupinus argenteus var. palmeri G. R. Ballmer 1988-7-20 s.n. Modoc Warner Mountains, Horse Ridge, near NW corner of the South Warner Wilderness Game Refuge, SW of Cedarville 2134 Comment
  CAS-BOT-BC181894  Lupinus bicolor Bruce Bartholomew 1995-5-12 6896 Modoc SW flank of White Horse Mountains between Day and Day Rock. 1210 Comment
  HSC76462  Lupinus burkei B. J. Cox 1970-6-8 2080 Modoc 1 mi. N of Davis Creek, on U.S. Hwy. 395 Comment
  SEINET10485028  Lupinus burkei David B. Dunn, Billy Joe Cox; Lewis S. Fleak 1970-6-8 Dunn 16946 Modoc 1 mi. N of davis creek on us hwy 395. On road cut in grassland. Comment
  CAS-BOT-BC181875  Lupinus lepidus var. lobbii Elmer Ivan Applegate 1932-8-1 8050 Modoc Near summit of Warren Peak, Warner Mts. 2895 Comment
  NY747429  Lupinus microcarpus A. Tiehm 1984-6-30 8833 Modoc North edge of Lake Annie on the west side of Bidwell Mountain, northeast of Ft. Bidwell 1530 Comment
  JEPS126502  Lupinus microcarpus var. microcarpus Jennifer Mueller 2016-6-20 CA 370 -222 Modoc From Cedarville head north on County Road 1 through Fort Bidwell. Take County Road 6 from there towards Free Reservoir. After crossing a channel, go left at the road fork. Stay left for about two miles. Comment
  CAS-BOT-BC181825  Lupinus polyphyllus var. burkei R. M. Austin; C. C. (Mrs.) Bruce 1898-7-1 2142 Modoc Modoc County. Comment
  NY747607  Lupinus polyphyllus var. saxosus B. M. Bartholomew 1993-5-13 6530 Modoc Just west of Forest Service on Parker Creek Road between Alturas and Pepperdine 1520 Comment
  NY747612  Lupinus polyphyllus var. saxosus R. M. Austin 05 1898 2140 Modoc Comment
  SEINET8061408  Lupinus polyphyllus var. saxosus G. Schoolcraft 1998-5-19 2709 Modoc 1.2 mi. east of Highway 395 on Highway 299, E. Alturas 1387 Comment
  RSA414419  Lupinus ruber Christopher Davidson 2126 Modoc ca. 4 miles W of Canby on Hwy 299. 1341 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
  RSA59534  Lupinus ruber E. K. Balls 1950-5-20 14805 Modoc 3.3 mi. above S. Fk. Public Camp, S. Fork Pit River, on way to Jess Valley. 1463 Comment
  CAS-BOT-BC181812  Lupinus saxosus K. Paulson; Robert Paulson 1990-6-6 203 Modoc North of Stough Reservoir, Warner Mountains. 1676 Comment
  HSC14835  Lupinus saxosus M. G. Burgoyne 1962-4-23 1000 Modoc 15 mi. W of Cedarville on Hwy. over Cedar Pass 2134 Comment
  SEINET10871089  Lupinus saxosus Duane Isely, I. Isely 1971-7-11 Isely 11377 Modoc Adjacent to state hwy. 139, Q mi s of adin summit. Steep, rocky slope with Juniper, sagebrush, and ponderosa pine; abundant, but well past blooming. 1463 Comment
  POM10921  Lupinus sellulus subsp. sellulus M. S. Baker 128 Modoc [No location information provided.] Comment
  RSA372065  Lupinus subvexus var. subvexus A. Tiehm 1984-6-30 8833 Modoc N edge of Lake Annie on the W side of Bidwell Mt, NE of Ft. Bidwell. 1530 Comment
  SEINET10490264  Lupinus subvexus var. transmontanus Billy Joe Cox 1971-6-3 Cox 2609 Modoc 6 mi n of alturas on us hwy 395, w facing slope in middle of grassland pasture. Edging into artemesia which adjoins juniper woodland. Lupinus sp in very Dense populations on every slope for over a mile north, more or less a valley Side in decomposing basalt with lighter soil above. 1341 Comment
  CHSC112827  Lythrum tribracteatum Lowell Ahart; John Dittes 2013-7-24 18914 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
  CHSC117265  Lythrum tribracteatum Lowell Ahart; John Dittes 2016-7-14 21176 Modoc Southeast side of a new pond, south of Ash Creek Canal (now filled in), south of 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
  SBBG128274  Lythrum tribracteatum L. Ahart, J. Dittes 2010-8-30 17055 Modoc N side of small wash, ca. 10 yards W of the fence, S edge of the meadow, Ash Crk State Wildlife Area, 2300 feet N of Lassen County Line, ca. 3.6 mi W of Adin, ca. 8.0 mi NE of Bieber, Big Valley 1267 Comment
  RSA608616  Machaeranthera canescens var. shastensis L. C. Wheeler 1935-8-27 3924 Modoc South Mountain, Devil's Garden 1524 Comment
  CAS-BOT-BC49404  Madia glomerata John Thomas Howell 1934-7-3 12375 Modoc 5 mi. S of Hackamore. Comment
  CAS-BOT-BC49405  Madia glomerata Margaret J. Williams 1983-7-29 83- 116 -2 Modoc 1.1 mi. N of Stowe Reservoir Campground, N of Cedar Pass, Warner Mtns. Comment
  CAS-BOT-BC49407  Madia glomerata Bruce Bartholomew 1991-8-4 6019 Modoc S end of Rim Rock Valley, ca. 8 km directly W of Goose Lake. 1580 Comment
  CAS-BOT-BC49443  Madia glomerata Bruce Bartholomew 1992-8-9 6390 Modoc Squaw Peak Trail between Patterson Lake and Owl Creek Trail, E side of Warner Mountains. 2250 Comment
  UC71798  Madia glomerata Mrs. M. H. Manning August 1904 252 Modoc meadows near, ne Modoc County Fort Bidwell Comment
  CAS-BOT-BC49418  Madia gracilis Bruce Bartholomew 1989-8-13 5140 Modoc ca. 3.2 km N of Manzanita Mountain. 1580 Comment
  CAS-BOT-BC49419  Madia gracilis Bruce Bartholomew 1990-6-15 5210 Modoc Kelly Spring, 5.5 km SSE of Hwy 299 on road from Rush Creek. 1640 Comment
  RSA504612  Madia gracilis subsp. gracilis Bruce Bartholomew, B. Anderson 1988-7-21 4414 Modoc Whitehorse Mountains, 11 km N of Day on the road to Whitehorse Flat Reservoir. 1340 Comment
  RSA531342  Madia gracilis subsp. gracilis Bruce Bartholomew 1989-7-14 4938 Modoc Along Rush Creek between Lower and upper Rush Creek Campgrounds. 1520 Comment
  CAS-BOT-BC242168  Maianthemum stellatum Roxana Stinchfield Ferris; R. Duthie 1919-6-14 153 Modoc Parker Creek, 14 mi. from Alturas. Comment
  RSA210805  Maianthemum stellatum Robert F. Thorne, James Henrickson, C. W. Tilforth 1969-9-4 39126 Modoc N Fork of Pit River 3.4 mi N of Alturas where crossed by Highway 395. 1341 Comment
  RSA78906  Maianthemum stellatum E. K. Balls, Percy C. Everett 1952-10-10 18147 Modoc South fork of Public Camp, 8 mi E of Lilely, rd. to ZJess Valley. 1555 Comment
  HSC100157  Malus pumila J. P. Smith, & J. O. Sawyer 2011-8-14 13371 Modoc Along Plum Valley Road, E of Davis Creek. 1494 Comment
  HSC65534  Malva neglecta Thomas Wood 1979-8-8 209 Modoc 1 mi. S of Ft. Bidwell along Hwy. 1, corner house where road turns W 1372 Comment
  CAS-BOT-BC71147  Marsilea Herbert L. Mason; Verne Grant 1947-7-10 13350 Modoc Dorris Reservoir, 2 miles east of Alturas Comment
  POM228963  Marsilea oligospora L. C. Wheeler 1935-9-18 3993 Modoc Everly Reservoir, Devil s Garden. 1524 Comment
  CHSC107375  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, 10 miles (air) east of Lookout, Big Valley. 1264 Comment
  CDA8328  Matricaria occidentalis T. C. Fuller 1963-7-15 10907 a Modoc North side of Highway 299, 1.0 mile west of road junction at Alturas. 0 Comment
  CAS-BOT-BC181803  Medicago sativa Margaret J. Williams 1984-6-29 84- 70 -3 Modoc N of Alturas on Hwy 395 almost to Oregon border. 1432 Comment
  UC1024856  Melica bulbosa Leo Whitney 1935-7-6 3186 Modoc 2 mi n Hole-in-the-rock (ca 18 mi wnw of Canby) Comment
  CAS-BOT-BC247574  Melica stricta Francis Marion Ownbey; Frederick Gustav Meyer 1940-7-1 2152 Modoc Cedar Peak. Comment
  CAS-BOT-BC179147  Mentzelia dispersa Bruce Bartholomew 1991-6-20 5786 Modoc Top of Fox Mountain, ca. 10 airline km NW of Adin. 1900 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
  POM84012  Mentzelia dispersa R. M. Austin 1895-08 100 Modoc Goose Lake Valley Comment
  RSA503038  Mentzelia dispersa Bruce Bartholomew, B. Anderson 1988-6-24 4360 Modoc Vicinity of Patterson Campground, southern end of the Warner Mountains. 2190 Comment
  UC108411  Mentzelia dispersa Mrs. R. M. Austin 1874-1 Modoc Davis Creek Comment
  CAS-BOT-BC179119  Mentzelia montana Bruce Bartholomew; Barrett Anderson 1989-6-2 4822 Modoc Sand dunes at the SE corder of Upper Alkali Lake, E side of Surprise Valley. 1400 Comment
  CAS-BOT-BC179116  Mentzelia veatchiana Bruce Bartholomew 1991-6-22 5854 Modoc E side of Surprise Valley, 8.3 km E of Eagleville. 1430 Comment
  UC79014  Mertensia ciliata Mrs. R. M. Austin Jul 1894 276 Modoc Lassen Creek Comment
  UCSB27154  Mertensia ciliata Wilken, Dieter 1969-7-28 Modoc Mill Creek Falls near Clear Lake; east of Likely; Warner Mtns. 1767 Comment
  CAS-BOT-BC54050  Mertensia longiflora Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-10 6476 Modoc At the Nevada border on Barrel Spring Road, N end of Surprise Valley. 1680 Comment
  CAS-BOT-BC54023  Mertensia oblongifolia var. oblongifolia Annie Montague Alexander; L. Kellogg 1946-6-30 4882 Modoc Highgrade, west side of ridge, N end of Warner Mountains 2377 Comment
  CAS-BOT-BC58780  Mertensia oblongifolia var. oblongifolia Bruce Bartholomew 1992-5-15 6309 Modoc Upper end of Pleasants Canyon, W side of Warner Mountains. 1930 Comment
  CAS-BOT-BC225953  Micranthes nidifica Bruce Bartholomew; Barrett Anderson 1988-5-12 4121 Modoc S side of Egg Lake, ca. 1.5 km W of the Burlington Northern railroad track. 1300 Comment
  CAS-BOT-BC225960  Micranthes nidifica Mrs. H. C. Cantelow 1941-5-23 3533 Modoc E of Adin Pass Summit between Adin Canby, Hwy 299. 1576 Comment
  CAS-BOT-BC225962  Micranthes nidifica Annie Montague Alexander; L. Kellogg 1946-6-15 4779 Modoc Deep Creek. 2194 Comment
  CAS-BOT-BC429188  Micranthes oregana Mrs. C. C. Bruce 1899-8-1 s.n. Modoc Goose Lake Comment
  CAS-BOT-BC95554  Micromonolepis pusilla Bruce Bartholomew 1993-6-13 6643 Modoc Consolidated sand dunes just W of Leonard Hot Spring, E side of Surprise Valley. 1410 Comment
  CAS-BOT-BC95555  Micromonolepis pusilla Bruce Bartholomew; Barrett Anderson 1989-6-2 4813 Modoc Sand dunes at the SE corder of Upper Alkali Lake, E side of Surprise Valley. 1400 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
  UC485590  Microseris laciniata subsp. laciniata Franklin P. Nutting Modoc near Egg Lake Comment
  JEPS6017  Microseris nutans Frances D. Payne 1932-6-26 609 Modoc high ridges n Parker Creek (s and e of Alturas); Warner Mountains, high ridges n of Parker Creek 1828 Comment
  HSC6028  Microseris nutans M. T. Milligan 1965-6-27 364 Modoc 1677 Comment
  RSA504658  Microseris nutans Bruce Bartholomew, B. Anderson 1988-7-23 4580 Modoc Dismal Swamp, Warner Mountains. 2180 Comment
  CAS-BOT-BC197911  Microsteris gracilis Bruce Bartholomew 1995-6-24 7028 Modoc Vicinity of old town site of Tionesta on Forest Service Road 44N17. 1430 Comment
  CAS-BOT-BC197918  Microsteris gracilis Bruce Bartholomew; Mona Bourell 1990-4-26 5154 Modoc 0.5 km S of Day. 1100 Comment
  CDA41657  Mimulus breviflorus S. E. Schoenig 1998-7-5 98 -68 Modoc West of railroad tracks, 1 mile north of Sagehen Summit, 20 meters east of Highway 395. Comment
  UC27096  Mimulus breviflorus Mrs. R. M. Austin June, 1894 Modoc Willow Creek Comment
  RSA550576  Mimulus breweri Bruce Bartholomew, B. Anderson 1990-7-20 5521 Modoc Tamarack Flat, E side of Warner Mts. 655 Comment
  UC1778581 Image available Mimulus cusickii S. E. Schoenig 1998-7-4 98 -67 Modoc Gravely slide on N side of Granger Cyn. Rd., 1.5 mi W of Surprise Valley Rd. This intersection being 3.7 miles S of Hwy 299 at Cederville. 1493 Comment
  HSC80802  Mimulus guttatus G. M. Riegel 1980-7-2 813 Modoc S Warner Mtns. 2100 Comment
  RSA488110  Mimulus guttatus Barbara J. Ertter 1988-6-18 7631 Modoc Hwy 139, 14.5 mi ENE of jct Hwy 299 at Canby, N of Bessler Reservoir. 1463 Comment
  RSA59437  Mimulus guttatus E. K. Balls 1950-5-10 14602 Modoc Menlo Baths, west of Lower Alkali Lake. 1433 Comment
  SBBG10583  Mimulus guttatus D. Myrick 1968-6-20 1975 Modoc Davis Crk on US Hwy 395, 15 mi N of Alturas 1524 Comment
  POM43666  Mimulus guttatus R. M. Austin 514 Modoc Goose Lake Valley. Comment
  CDA35646  Mimulus lewisii J. R. Keck Jr. 1985-7-11 PDR# 330135 Modoc Davis Creek, Modoc National Forest. Comment
  UC27055  Mimulus moschatus Mrs. R. M. Austin and Bruce July 1898 2275 Modoc head Davis Creek Comment
  UC27037  Mimulus nanus var. jepsonii M. S. Baker and Frank Nutting 1894-6-8 Modoc Egg Lake Comment
  JEPS4009  Mimulus nanus var. nanus Frances D. Payne 1932-6-19 546 Modoc 10 mi s Alturas (on road to Likely); Warner Mountains Comment
  POM43861  Mimulus nanus var. nanus R. M. Austin 1895-07 16 Modoc [No location data on label] Comment
  UC726427  Mimulus nanus var. nanus A. A. Heller 1941-6-25 16196 Modoc a short distance e U. S. Highway #395 (on the Cedarville road) Comment
  UC998319  Mimulus nanus var. nanus Milo S. Baker 1936-6-14 8312 Modoc a few mi n Quarantine Station (along Malin-Canby highway) Comment
  UCR34779  Mimulus primuloides J. A. Harpel 1981-8-6 V- 7 Modoc Warner Mtns, South Warner Wilderness Area: E end of Patterson Lake, 7 mi NW of Eagleville 2744 Comment
  CAS-BOT-BC95210  Minuartia douglasii Bruce Bartholomew 1993-6-12 6585 Modoc Road to Day Rock from Little Hot Spring Valley. 1250 Comment
  JEPS120494  Minuartia nuttallii var. gracilis L. P. Janeway, B. Castro 2012-7-26 11008 Modoc Warner Mountains. Top of Yellow Mountain; topmost part and western edge (at the edge of a steep dropoff to the northwest). Comment
  NY446178  Minuartia nuttallii var. gregaria L. C. Wheeler 1935-8-5 3786 Modoc Yellow Mountain, Warner Mountains 2438.4 Comment
  CAS-BOT-BC225804  Mitella pentandra Bruce Bartholomew 1989-8-12 5114 Modoc South Fork of Pine Creek just N of trailhead to Pine Creek Basin, W side of Warner Mts. 2010 Comment
  RSA149075  Mitella pentandra I. L. Wiggins, Dorothy B. Wiggins 1961-6-14 16489 Modoc 6.4 mi. S of Lassen Creek Campground along road to Buck Mtn, Warner Mtns. Comment
  HSC63629  Monardella glauca J. P. Smith, J. O. Sawyer 1973-8-8 7238 Modoc S slopes of Eagle Peak 2561 Comment
  HSC69612  Monardella glauca Gary Schoolcraft 1979-7-17 148 Modoc Above Stowe Reservoir Comment
  SEINET3996771 Image available Monardella odoratissima Marion Ownbey, Fred G. Meyer 1940-7-1 2150 Modoc Warner Mts.; Cedar Peak Comment
  CHSC109461  Monardella odoratissima subsp. glauca B. Castro; L. P. Janeway 2012-7-24 1947 Modoc Warner Mountains. Along Forest Road/County Road 2 (the road from New Pine Creek to Fort bidwell) 0.6 air mi west of Lily Lake and 0.9 air mi northwest of Yellow Mountain. 6391 Comment
  UC2035895  Monardella odoratissima subsp. glauca Alice Eastwood, John Thomas Howell 1940-6-13 8175 Modoc East side of Cedar Pass Comment
  UC634864  Monardella odoratissima subsp. glauca F. H. Frost 1925-7-20 86 Modoc Cedar Camp Warner Mts. Comment
  UC748042  Monardella odoratissima subsp. glauca Annie M. Alexander and Louise Kellogg 1946-7-23 5060 Modoc East slope of Emerson Peak; Warner Mountains Comment
  CAS-BOT-BC179857  Monardella odoratissima subsp. glauca Leland S. Smith 1918-8-18 1046 Modoc Ridge above Emerson. Eagle and Bear. 2438 Comment
  CAS-BOT-BC179364  Monardella odoratissima subsp. pallida Bruce Bartholomew; Barrett Anderson 1988-7-21 4419 Modoc S end of Whitehorse Flat Reservoir. 1340 Comment
  CAS-BOT-BC95543  Monolepis nuttalliana Bruce Bartholomew 1991-6-21 5812 Modoc 4 km S of Forest Service road 73 on road to Rim Rock Valley. 1570 Comment
  JEPS59835  Monolepis nuttalliana Frances D. Payne 1932-7-10 696 Modoc s. and e. of Alturas; Warner Mts., Parker Creek 1584 Comment
  CAS-BOT-BC197524  Montia chamissoi Bruce Bartholomew 1995-6-3 6948 Modoc Just S of the Oregon border at the shore of Goose lake. 1400 Comment
  JEPS17208  Montia chamissoi Frances D. Payne 1932-6-27 616 Modoc s and e of Alturas (Parker Creek); Warner Mountains, Parker Creek 1584 Comment
  UC71835  Montia chamissoi Mrs. M. H. Manning 1903-5-1 115 Modoc near Fort Bidwell (in north-eastern Modoc Count) Comment
  HSC80773  Montia chamissoi G. M. Riegel 1980-7-30 976 Modoc S Warner Mtns. 2100 Comment
  UC932076  Montia chamissoi Verne Grant, Alva Grant 1947-7-11 8010 Modoc Thoms Creek near forest service camp site on road from Alturas to Cedar Pass; Warner Mountains, Thoms Creek Comment
  CAS-BOT-BC197507  Montia fontana Elmer Ivan Applegate 1932-8-2 8082 Modoc Mill Creek Meadow, Warner Mts. Comment
  HSC75891  Montia linearis D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19435 Modoc Near Hager Reservoir Comment
  NY497771  Montia linearis B. M. Bartholomew 1989-4-27 4614 Modoc 2.1 km south-southeast of Day on road to State Highway 299 1020 Comment
  UC412633  Montia linearis Franklin P. Nutting 1894-6-8 Modoc near Egg Lake; Northern California Comment
  UC7865  Montia linearis Milo S. Baker 1893-6-15 Modoc 1371 Comment
  CAS-BOT-BC247569  Muhlenbergia asperifolia Herbert Louis Mason 1947-8-15 13542 Modoc Mouth of Crane Creek on Willow Ranch. Comment
  CDA32537  Muhlenbergia asperifolia T. C. Fuller 1962-8-3 9493 Modoc Hwy 139 to Tulelake, 0.25 mile northwest of Stronghold 0 Comment
  SEINET7297181 Image available Muhlenbergia asperifolia Leland S. Smith 1917-1 152901 Modoc Surprise Valley, Ft. Bidwell, Warner Mts. 1372 Comment
  CAS-BOT-BC247566  Muhlenbergia filiformis Bruce Bartholomew 1992-8-9 6394 Modoc Upper region of Owl Creek drainage, below cliffs, E of Summit Trail, E side of Warner Mountains. 2500 Comment
  UCD86774  Muhlenbergia jonesii Leo Whitney 1935-8-15 3622 Modoc U.S.B.E. - R. S. -6. Comment
  JEPS121233  Muhlenbergia richardsonis Lowell Ahart, John Dittes 2013-7-24 18912 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
  UCD86906  Muhlenbergia richardsonis Beecher Crampton 1960-6-17 5678 Modoc 2 miles north of Perez, Timber Mountain Fire Station. 1280 Comment
  UC1738098  Myosurus minimus H. L. Mason 1957-6-3 65 Modoc Margin of pond on Timber Mountain. Comment
  CAS-BOT-BC180056  Myriophyllum hippuroides Bruce Bartholomew 1995-7-30 7073 Modoc Drainage from Taylor Reservoir just E of junction of County roads 93 and 94. 1260 Comment
  CHSC112790  Najas flexilis Lowell Ahart; John Dittes, Todd Sloat 2013-6-8 18764 Modoc Drainage, about 300 yards northeast of the Parking Area, northeast of the old barn, Ash Creek State Wildlife Area, about 3.9 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  RSA0043153  Nama densa var. parviflora Mrs. R. M. Austin 1895-08 84 Modoc Alturas Comment
  CAS-BOT-BC198011  Navarretia breweri Alice Eastwood; John Thomas Howell 1940-6-13 8133 Modoc W side of Fandango Pass. Comment
  CAS-BOT-BC198024  Navarretia breweri Robert Patterson; Mona Bourell 1993-8-15 5243 Modoc Warner Mountains. Along trail from Patterson Lake to ca. 2 mi north towards Pepperdine Trailhead. 2743 Comment
  JEPS86350  Navarretia breweri Jack and Betty Guggolz 1988-6-30 964 Modoc near Old Canyon Mill Road Comment
  RSA91922  Navarretia breweri Beecher Crampton 1954-7-7 2144 Modoc Cedar Pass Summit, Warner Mountains 1921 Comment
  UC1058213  Navarretia breweri C. McMillan 1949-6-16 1537 Modoc 3 mi s Crowder Flat (35 mi n of Canby) Comment
  UC711872  Navarretia capillaris Roxana S. Ferris and Laura Lorraine 1941-8-13 10554 Modoc Patterson Ranger Station (East Creek drainage) Warner Mountains, Modoc National Forest, East Creek drainage (Modoc National Forest, Warner Mountains) 2164 Comment
  CAS-BOT-BC198007  Navarretia divaricata subsp. divaricata Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10556 Modoc Patterson Ranger Station (East Creek drainage), Warner Mts. 2164 Comment
  RSA165577  Navarretia divaricata subsp. vividior Clare B. Hardham 1961-6-19 7518 -A Modoc Warner Mountains: Lava fields; Willow Creek. Comment
  UC133705  Navarretia divaricata subsp. vividior Mrs. R. M. Austin Jun 1892 Modoc e of Goose Lake; Warner Mountains Comment
  CAS-BOT-BC197995  Navarretia heterandra Lewis Samuel Rose 1940-6-15 40589 Modoc 7 mi. N of Lookout. Comment
  UC1540173  Navarretia intertexta Dean W. Taylor 1987-8-9 9287 Modoc Clear Lake Reservoir, on shore 100 meters W of dam Northeastern California 1371 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
  SEINET14058064  Navarretia intertexta subsp. propinqua M. J. Williams 1984-7-1 84- 85 -3 Modoc NW of Alturas, 2.1 mi N of Hwy 299 on the Crowder Flat road. 1372 Comment
  RSA601499  Navarretia leptalea L. C. Wheeler 1935-8-13 3833 Modoc Warner Mountains: Barnes Creek. Mount Diable Meridian. 1829 Comment
  CAS-BOT-BC197969  Navarretia leucocephala subsp. minima Leland S. Smith 1924-5-31 1355 Modoc Egg Lake above ranch. 1310 Comment
  CHSC34345  Navarretia leucocephala subsp. minima K. R. Stern; D. B. Joley, J. G. Geschke 1974-6-22 5822 Modoc W side of Egg Lake. 1295 Comment
  CHSC67120  Navarretia leucocephala subsp. minima James D. Jokerst 1987-5-13 2864 Modoc Radar Survey Site S of Doublehead Mtn., S of Clear Lake Reservoir, S end of northern sector. 1371 Comment
  RSA148666  Navarretia sinistra Clare B. Hardham 1961-6-21 7900 Modoc Warner Mountains: Lakeview-Plush Road. 1829 Comment
  CAS-BOT-BC95149  Nemacladus capillaris Bruce Bartholomew; Barrett Anderson 1988-6-25 4399 Modoc Ryan Canyon, N of Adin. 1390 Comment
  CAS-BOT-BC179308  Nemophila breviflora Lincoln Constance 1938-12-12 2332 Modoc Edge of Thoms Creek at foot of Bonner Grade, Cedar Pass Rd., 13.4 mi. NE of Alturas. 1524 Comment
  JEPS1527  Nemophila breviflora L. Constance 1938-6-12 2332 Modoc 13.4 mi ne Alturas (edge of Thombs Creek at foot of Bonner Grade, Cedar Pass Road, western foothills of the Warner Range); western foothills of Warner Range, Thombs Creek 1524 Comment
  HSC81074  Nemophila parviflora G. M. Riegel 1979-7-2 471 Modoc S Warner Mtns. 1670 Comment
  CAS-BOT-BC179301  Nemophila parviflora var. austiniae Annie Montague Alexander; L. Kellogg 1946-6-14 4745 Modoc Barber Creek, Patterson Mill Road. 1798 Comment
  POM175555B  Nemophila parviflora var. austiniae F. W. Peirson 1926-6-25 6896 Modoc Small side canyon 1 mile east of summit of Warner Mountains on Cedarville Road. Comment
  UC1021934  Nemophila parviflora var. austiniae Rolf Y. Berg 1955-6-22 Modoc Cedar Pass Campground Modoc National Forest, Cedar Pass Campground Comment
  CAS-BOT-BC179292  Nemophila pedunculata Lincoln Constance 1938-6-12 2337 Modoc Margin of Rush Creek, 8 mi. NE of Adin. 1524 Comment
  POM175555A  Nemophila pedunculata F. W. Peirson 1926-6-25 6896 Modoc Small side canyon 1 mile east of summit of Warner Mountains on Cedarville Road. Comment
  UC20411  Neoholmgrenia andina Mrs. R. M. Austin June, 1894 Modoc Goose Lake Valley Comment
  UC336782  Neoholmgrenia andina unknown Modoc Honey Lake Valley Comment
  HSC65549  Nepeta cataria Thomas Wood 1979-8-8 200 Modoc 1 mi. S of Ft. Bidwell, along Hwy. 1, corner house where road turns W 1372 Comment
  POM42286  Nestotus stenophyllus Mrs. R. M. Austin 1894-05 s.n. Modoc Goose Lake Valley. Comment
  RSA155794  Nestotus stenophyllus P. H. Raven 1962-5-29 17895 Modoc 14 miles NW of Canby. Comment
  SD53082  Nestotus stenophyllus Peter H. Raven 1962-5-29 17895 Modoc 14 miles northwest of Canby. Comment
  UC71619  Nestotus stenophyllus Mrs. M. H. Manning 472 Modoc Northeaster Modoc County 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
  CAS-BOT-BC245370  Nicotiana attenuata Francis Dorris Payne 1932-6-19 554 Modoc Jess Valley Rd. Comment
  CAS-BOT-BC49368  Nothocalais troximoides K. Paulson; Robert Paulson 1988-5-24 11 Modoc Parker Creek, Warner Mts.. 1524 Comment
  NY998662  Oenothera deltoides var. piperi M. J. Williams 1988-6-2 88- 27 --5 Modoc Hwy 395 0.4 mile east of Susanville road after turn to Alturas Comment
  CAS-BOT-BC190805  Oenothera elata subsp. hirsutissima Bruce Bartholomew 1991-10-13 6127 Modoc Ca. 1.5 km SE of Adin on County Road 88. 1240 Comment
  POM38740  Oenothera elata subsp. hirsutissima R. M. Austin 1895-07 163 Modoc Davis Creek Comment
  JEPS31524  Oenothera flava subsp. flava Milo S. Baker 1893-7-20 Modoc near Forestdale; Lava Beds Comment
  CAS-BOT-BC245095  Olsynium douglasii var. douglasii Edward Kent Balls 1950-5-12 14641 Modoc Above Buck Creek Ranger Station. 1767 Comment
  RSA59650  Olsynium douglasii var. douglasii E. K. Balls 1950-5-12 14641 Modoc Above Bucks Creek Ranger Station, Modoc National Forest, east of Goose Lake. Comment
  JEPS64298  Olsynium douglasii var. douglasii B. M. Payne 1930-4-19 344 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  CHSC114679  Onopordum acanthium D. B. Joley 1976-5-23 2 Modoc Adin. Comment
  UCD134667  Onopordum acanthium T. C. Fuller 1959-7-8 B Modoc south side of 4th Street, east of East Street, Alturas. Comment
  JEPS121207  Onopordum acanthium subsp. acanthium Lowell Ahart, John Dittes 2013-7-24 18945 Modoc South high bank of Ash Creek Canal, S of Ash Creek, Ash Creek State Wildlife Area, 0.79 air miles S of County Road 87, 1.73 air miles W of Adin, Big Valley. Comment
  CAS-BOT-BC50378  Oreostemma alpigenum var. andersonii Annie Montague Alexander; L. Kellogg 1946-8-9 5131 Modoc Near lake, Patterson Lake Trail, Warner Mountains Comment
  RSA0077929  Orobanche corymbosa subsp. corymbosa Louis C. Wheeler 1935-8-28 3927 Modoc Devil's Garden: 1.5 miles S of Lakeshore Reservoir. 1524 Comment
  CAS-BOT-BC190792  Orobanche fasciculata Elmer Ivan Applegate 1897-6-1 3031 Modoc 9 mi. W of Alturas. Comment
  JEPS79135  Orobanche uniflora L. R. Heckard with R. Bacigalupi 1980-6-11 5238 Modoc about 10 air mi se Alturas (junction of Parker Creek and Shields Creek roads) 1737 Comment
  CAS-BOT-BC95702  Orthilia secunda Leland S. Smith 1917-9-18 161 Modoc Lassen Creek. 2133 Comment
  SEINET227723 Image available Orthocarpus copelandii var. cryptanthus Margaret J. Williams 1983-7-29 83- 117 -7 Modoc 1.1 miles N of Stowe Reservoir Campground, N of Cedar Pass, Warner Mts. Comment
  CHSC70481  Orthocarpus cuspidatus subsp. cryptanthus A. Sanger 1996-7-12 2409 Modoc S of Paynes Peak, in bench below tower. 2182 Comment
  RSA537508  Orthocarpus hispidus Barbara Ertter 1988-6-18 7623 Modoc Hwy 139 ca 50 airmiles SW of Klamath Falls, a few miles N of Agric. Inspection State, 1 mi S of S jct to Lava Beds Nat'l Monument E of Tonesta. 1311 Comment
  HSC80792  Osmorhiza berteroi G. M. Riegel 1979-9-1 741 Modoc S Warner Mtns. 1670 Comment
  CHSC85409  Osmorhiza chilensis John Dittes; Josephine Guardino 1991-8-24 463 Modoc Modoc Plateau; Warner Mountains; west slope, ca. 8.2 air-miles east of Goose Lake, ca. 2.3 air-miles south of Dismal Swamp, ca. 1.6 air-mile west of Bidwell Mtn.; tributary of Bidwell Creek west of Highgrade Road. 2087 Comment
  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
  JEPS5967  Osmorhiza occidentalis Frances D. Payne 1931-6-21 215 Modoc under cliffs on ridge sw Dry Creek (creek is a tributary of Parker Creek, s and e of Alturas); Warner Mountains Comment
  POM82804  Osmorhiza occidentalis Mrs. R. M. Austin 502 Modoc Davis Creek Comment
  CAS-BOT-BC218102  Oxyria digyna Bruce Bartholomew 1992-8-8 6377 Modoc Vicinity of Patterson Lake, E side of Warner Mountains. 2750 Comment
  CHSC100838  Oxyria digyna L. P. Janeway 2008-8-17 9568 Modoc Warner Mountains. North slope of Bald Mountain; just below the cliffs at the top of the peak. 2400 Comment
  UC190618  Oxyria digyna M. F. Gilman 511 Modoc Mt. Lake 2133 Comment
  SJSU9651  Packera cana W. Savage 1979-7-8 1486 Modoc N end Fairchild Swamp Unit, Devils Garden District, Modoc National Forest 1493 Comment
  HSC28869  Packera eurycephala D. H. Norris, T. Nelson, S. Dowty 1971-6-23 19392 Modoc Along Hager Basin Rd. near Big Sage Reservoir. Comment
  SEINET11744641 Image available Packera eurycephala M. J. Williams 1984-6-30 84- 83 -1 Modoc 16.3 mi on Parker Creek road, paved road to Cedar Pass road 1.5 mi 1524 Comment
  CAS-BOT-BC50270  Packera eurycephala var. eurycephala Annie Montague Alexander; L. Kellogg 1946-6-17 4786 Modoc Cedar Pass road. 1767 Comment
  CAS-BOT-BC50316  Packera eurycephala var. eurycephala Francis Dorris Payne 1932-6-22 581 Modoc Parker Creek. 1584 Comment
  CAS-BOT-BC50322  Packera eurycephala var. eurycephala R. M. Austin; C. C. (Mrs.) Bruce 1898-6-1 2185 Modoc Likely. Comment
  CAS-BOT-BC190778  Paeonia brownii E. S. Willits 1940-5-4 211 Modoc Willow Ranch. Comment
  CAS-BOT-BC190780  Paeonia brownii Alice Eastwood; John Thomas Howell 1940-6-13 8117 Modoc Surprise. Comment
  HSC30080  Paeonia brownii D. H. Norris, T. Nelson, S. Dowty 1971-6-22 19308 Modoc Soup Springs Campground Comment
  POM99644  Paeonia brownii R. M. Austin, C. C. Bruce 1898-06 2227 Modoc Lake City Mt. Comment
  RSA99680  Paeonia brownii W. A. Weber 1953-5-14 8372 Modoc West end of Jess Valley 10 miles east of Likely 1433 Comment
  CDA32584  Panicum capillare var. occidentale T. C. Fuller 1962-8-3 9492 Modoc Hwy 139 to Tulelake, 0.25 mile northwest of Stronghold 0 Comment
  HSC80722  Parnassia fimbriata Gregg M. Riegel 1980-7-31 939 Modoc South Warner Mountains. 2100 Comment
  UC18066  Paxistima myrsinites Milo S. Baker 1893-6 Modoc Forestdale Comment
  NY1000969  Paxistima myrsinites M. S. Baker 06 1893 s.n. Modoc Comment
  POM182478  Pedicularis attollens Franklin Nutting s.n. Modoc Forestdale. Comment
  UC748180  Pedicularis attollens Annie M. Alexander and Louise Kellogg 1946-6-20 4810 Modoc field below Eagleville 1440 Comment
  RSA0025567  Penstemon John F. Emmel 1996-7-16 1438 Modoc Larkspur Hills east of Surprise Valley. Gentle slope north of road, along County Road 6, ca. 0.5 road mi WNW of Schamp Creek crossing. 1524 Comment
  HSC72503  Penstemon davidsonii J. P. Smith, J. O. Sawyer 1973-8-8 7218 Modoc Near summit of Eagle Peak 2988 Comment
  CAS-BOT-BC232339  Penstemon davidsonii var. davidsonii Elmer Ivan Applegate 1932-8-1 8008 Modoc Arid crest of Warner Mts., S of Warren Peak. Comment
  CAS-BOT-BC232343  Penstemon davidsonii var. davidsonii Bruce Bartholomew 1995-7-31 7104 Modoc E side of the Warner Mts. near crest and just N of the headwaters of the S fork of Davis Creek. 2320 Comment
  CAS-BOT-BC232336  Penstemon deustus var. pedicellatus John Thomas Howell 1934-6-11 11919 Modoc Parker Creek, Warner Mountains 1584 Comment
  CAS-BOT-BC232373  Penstemon deustus var. pedicellatus Roxana Stinchfield Ferris; R. Duthie 1919-6-13 100 Modoc Above Parker Creek, Warner Mountains Comment
  HSC1971  Penstemon deustus var. pedicellatus M. T. Milligan 1965-6-30 394 Modoc Slopes and ridges E of Jess Valley. 1768 Comment
  NY591799  Penstemon deustus var. pedicellatus M. S. Baker 1893-7-24 s.n. Modoc Comment
  CAS-BOT-BC245530  Penstemon gracilentus Louis Cutter Wheeler 1935-8-8 3812 Modoc North Fork Bidwell Creek, Warner Mountains 2286 Comment
  CAS-BOT-BC245532  Penstemon gracilentus Robert Patterson; Mona Bourell 1993-8-14 5223 Modoc Patterson Lake. South Warner Wilderness Area. Warner Mountains. 2743 Comment
  HSC21013  Penstemon gracilentus M. T. Milligan 1964-7-25 187 Modoc Pine Creek Basin, along trail. 2439 Comment
  NY600716  Penstemon gracilentus N. H. Holmgren 1964-8-22 1718 Modoc Warner Range, Modoc National Forest, 2 miles north of Patterson Forest Camp on trail to Eagle Peak. Comment
  NY600739  Penstemon gracilentus M. Bourell 1993-8-15 5280 Modoc South Warner Wilderness Area. Warner Mountains. Along trail from Patterson Lake to ca. 2 miles north toward Pepperdine Trailhead. 2438.4 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
  CAS-BOT-BC245518  Penstemon janishiae J. Vale; K. Wagnon; W. Kngith; Irja Knight 1981-5-21 4119 Modoc Crowder Flat Road, half way between Hwy 299 and Devils Garden. 1371 Comment
  SEINET5328793 Image available Penstemon janishiae M. J. Williams, T. Holcom, B. Holcom; L. Saxton 1988-5-28 88- 24 -2 Modoc Grade up to Crowder Flat from Hwy 299, W of Alturas. Top of steep bank by road 1478 Comment
  CAS-BOT-BC245511  Penstemon laetus var. sagittatus Mrs. H. C. Cantelow 1935-6-8 983 Modoc 26 mi. S of Oregon-Cal. boundary line. Comment
  CAS-BOT-BC232501  Penstemon roezlii Mrs. H. C. Cantelow 1940-6-1 4471 Modoc Cedar Pass. 1935 Comment
  CAS-BOT-BC232508  Penstemon roezlii C. L. Hitchcock 1940-5-28 6719 Modoc 15 mi. N of Alturas (near Surprise). 1402 Comment
  CAS-BOT-BC245566  Penstemon roezlii Francis Dorris Payne 1929-6-28 29 Modoc Parker Creek. 1584 Comment
  CAS-BOT-BC245574  Penstemon roezlii Bruce Bartholomew; Barrett Anderson 1988-6-25 4392 Modoc 5.6 km NW of State Highway 299 on County Road 73. 1500 Comment
  NY650108  Penstemon roezlii A. J. Cronquist 1959-6-20 8529 Modoc On the east slope of the Warner Mountains, near Fandango Pass. 1828.8 Comment
  UC614471  Penstemon roezlii L. Constance 1938-6-12 2335 Modoc 12.8 mi ne Alturas (open flat near foot of Banner Grade, Cedar Pass road); western foothills Warner Range, Cedar Pass road 1463 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
  NY650142  Penstemon roezlii M. S. Baker 06 1893 s.n. Modoc Comment
  UC27496  Penstemon roezlii Mrs. R. M. Austin Aug. 1894 Modoc hills e Davis Creek (northern California); Hills e of Davis Creek Comment
  UC725543  Penstemon roezlii A. A. Heller 1941-6-26 16225 Modoc on State Hwy 299 seven mi w Canby; w of Canby Comment
  OBI26238  Penstemon rostriflorus William Baker 1973-7-6 s.n. Modoc 3/4 mi above Barney Lake Comment
  NY650945  Penstemon rydbergii var. oreocharis A. J. Cronquist 1959-6-19 8511 Modoc Near the shore of Clear Lake; Warner Mountains, 15 miles east of Likely. 1828.8 Comment
  POM44139  Penstemon rydbergii var. oreocharis R. M. Austin 1895-07 520 Modoc Goose Lake Valley. Comment
  SD135515  Penstemon rydbergii var. oreocharis B. Bartholomew 1989-6-3 4855 Modoc Crowder Flat Road at Fletcher Creek 1550 Comment
  CAS-BOT-BC245488  Penstemon rydbergii var. oreocharis R. M. Austin 1898-7-1 2358 Modoc Fields. Comment
  UC27421  Penstemon rydbergii var. oreocharis Mrs. R. M. Austin and Bruce July 1898 2358 Modoc Fields Comment
  CAS-BOT-BC245544  Penstemon speciosus C. C. (Mrs.) Bruce 1893-7-1 81 Modoc Davis Creek. Comment
  CAS-BOT-BC245554  Penstemon speciosus Bruce Bartholomew 1990-6-18 5362 Modoc S side of Goose Lake, ca. 5 km SSE of McGinty Point. 1400 Comment
  CHSC31507  Penstemon speciosus NEH Prouty 1980-6-7 180 Modoc Modoc National Forest. Along north side of Deep Creek Road. SW of Cedarville. Comment
  POM261271  Penstemon speciosus C. Leo Hitchcock 1940-5-27 6666 Modoc 15 miles northeast of Alturas. 1616 Comment
  UC748153  Penstemon sudans Annie M. Alexander and Louise Kellogg 1946-6-18 4804 Modoc at base of lava bluff facing Lower Lake; bluff facing Lower Lake Comment
  CAS-BOT-BC140469  Peraphyllum ramosissimum Ella Dales Cantelow 1940-5-31 4302 Modoc 3 mi. E. of Canby Comment
  CAS-BOT-BC15706  Perideridia bolanderi subsp. bolanderi Margaret J. Williams 1983-7-29 83- 116 -10 Modoc 1.1 mi. N of Stowe Reservoir Campground. 2087 Comment
  RSA210845  Perideridia bolanderi subsp. bolanderi R. F. Thorne, J. Henrickson, C. W. Tilforth 1969-9-4 39063 Modoc SW shore of Goose Lake N of McGinty Point 1448 Comment
  CHSC39009  Perideridia oregana J. D. Jokerst 1983-7-12 1837 Modoc Immediately east of a large vernal lake that is just south of the jct. of Hwy 139 and Loveness Rd. 1478 Comment
  CHSC39010  Perideridia oregana J. D. Jokerst 1983-7-12 1837 Modoc Immediately east of a large vernal lake that is just south of the jct. of Hwy 139 and Loveness Rd. 1478 Comment
  UC20886  Perideridia oregana Mrs. R. M. Austin July 1894 Modoc Goose Lake Valley Comment
  JEPS124356  Persicaria lapathifolia Lowell Ahart, John Dittes 2015-7-16 20374 Modoc Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. Comment
  CAS-BOT-BC179280  Phacelia adenophora John Thomas Howell 1934-6-16 12215 Modoc 11 mi. NE of Canby. Comment
  RSA427960  Phacelia frigida subsp. dasyphylla Christopher Davidson 1975-6-4 2610 Modoc A quarter mile west of Cedarville on Highway 299. 1463 Comment
  HSC81070  Phacelia hastata G. M. Riegel 1980-8-28 1070 Modoc S Warner Mtns. 1739 Comment
  CAS-BOT-BC179258  Phacelia hastata subsp. hastata Barrett Anderson 1986-7-9 3153 Modoc Hwy 299 just W of Cedar Pass. 1920 Comment
  HSC13656  Phacelia hastata var. hastata M. T. Milligan 1964-6-25 87 Modoc Upper Lassen Creek 1829 Comment
  CAS-BOT-BC180017  Phacelia heterophylla subsp. virgata John Thomas Howell 1934-6-11 11911 Modoc Parker Creek. 1584 Comment
  UC748440  Phacelia heterophylla subsp. virgata Annie M. Alexander and Louise Kellogg 1946-6-28 4862 Modoc Pine Creek Canyon north end of Warner Mountains 1615 Comment
  JEPS4036  Phacelia heterophylla subsp. virgata Frances D. Payne 1931-6-21 219 Modoc ridge sw Dry Creek (creek is tributary of Parker Creek, s and e of Alturas); Warner Mountains 1981 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
  JEPS13887  Phacelia humilis Rimo Bacigalupi with L. R. Heckard, R. D. Sanderson, and G. Bacigalupi 1952-6-18 3748 Modoc about 200 ft above and s Cedar Pass; Warner Mountains 1981 Comment
  CAS-BOT-BC179973  Phacelia humilis var. humilis John Thomas Howell 1934-6-13 12062 Modoc Fandango Pass. 1828 Comment
  CAS-BOT-BC179997  Phacelia humilis var. humilis Francis Dorris Payne 1931-6-25 264 Modoc Pine Creek Basin. 2316 Comment
  CAS-BOT-BC180001  Phacelia humilis var. humilis C. L. Hitchcock 1940-5-27 6678 Modoc 15 mi. NE of Alturas. 1615 Comment
  RSA151943  Phacelia humilis var. humilis R. C. Bacigalupi, L. R. Heckard, Ruth D. Sanderson, G. Bacigalupi 1952-6-18 3748 Modoc About 200 feet above and south of Cedar Pass, Warner Mountains. 1982 Comment
  RSA293422  Phacelia humilis var. humilis Reino Alava 1957-7-5 1179 Modoc About one mile east of Benton Meadows, Warner Mountains. Comment
  RSA531355  Phacelia humilis var. humilis Bruce Bartholomew, B. Anderson 1989-6-2 4839 Modoc Vicinity of Stough Reservoir, Warner Mtns. 1950 Comment
  CAS-BOT-BC179960  Phacelia linearis Roxana Stinchfield Ferris; R. Duthie 1919-6-14 44 Modoc Overflow land by Parker Creek, above Modoc Nat. For. Boundary. Comment
  CAS-BOT-BC179962  Phacelia linearis Bruce Bartholomew 1990-6-17 5341 Modoc 13 km NW of Surprise Valley Rd on road to Fandango Pass, E side of Warner Mountains. 1800 Comment
  SD131873  Phacelia linearis Barbara Ertter 1988-6-18 7621 Modoc Highway 139, ca. 50 airmiles southwest of Klamath Falls, a few miles north of Agricd. Inspection Station, 1.0 mile south of S. jct. to Lava Beds National Monument east of Tonesta. 1310 Comment
  HSC81073  Phacelia linearis G. M. Riegel 1980-9-4 1151 Modoc South Warner Mountains 1739 Comment
  UC24394  Phacelia linearis Milo S. Baker 1893-7-5 Modoc Lava beds Comment
  UC748443  Phacelia linearis Annie M. Alexander and Louise Kellogg 1946-6-18 4796 Modoc meadow Patterson Mill-Silver Creek roads 1828 Comment
  SBBG22537  Phacelia ramosissima C. B. Hardham 1961-6-20 7872 Modoc Pine Crk Cyn 1676 Comment
  CAS-BOT-BC179936  Phacelia ramosissima var. ramosissima Francis Marion Ownbey; Frederick Gustav Meyer 1940-7-1 2156 Modoc Cedar Peak. Comment
  UC660147  Phacelia ramosissima var. ramosissima Marion Ownbey and Fred G. Meyer 1940-7-1 2156 Modoc Cedar Peak Warner Mts. (se slopes) Comment
  UC748439  Phacelia ramosissima var. ramosissima Annie M. Alexander and Louise Kellogg 1946-7-7 4943 Modoc ne corner of county Eight Mile Creek 1752 Comment
  POM301682  Phacelia ramosissima var. ramosissima Marion Ownbey, Fred G. Meyer 1940-7-1 2156 Modoc Cedar Peak, Warner Mountains. Comment
  CAS-BOT-BC179923  Phacelia tetramera Bruce Bartholomew 1991-5-24 5698 Modoc Surprise Valley, 6.6 km E of Eagleville. 1390 Comment
  CAS-BOT-BC247554  Phalaris angusta Bruce Bartholomew; Barrett Anderson 1990-7-20 5470 Modoc 5 km N of Buck Creek Ranger Station, W W side of Warner Mts. 1900 Comment
  UCD88512  Phalaris arundinacea G. F. Hrusa; T. D. Wilfred 1996-7-21 13322 Modoc Adjacent to Pit River at Modoc Co. Rd. 90 bridge. E base of Splawn Mountain. N end of Big Valley. 1500 Comment
  CHSC30529  Phleum alpinum N. E. H. Prouty 1979-8-4 95 .1 Modoc SW corner of Medicine Lake. In meadow next to lake. 2011 Comment
  CAS-BOT-BC247595  Phleum pratense Roxana Stinchfield Ferris; R. Duthie 1919-6-14 148 Modoc Parker Creek near Modock National Forest boundary. Comment
  CHSC117250  Phleum pratense Lowelll Ahart; John Dittes 2016-7-16 21248 Modoc Between the first pond and the second going west, south of Ash Creek Canal (now filled in), south of Ash Creek, Ash Creek Staate Wildlife Area, 0.79 miles (air) west of Adin, Big Valley. 1273 Comment
  UC1100412  Phleum pratense Herbert L. Mason 1947-8-13 13537 Modoc n Canby (ne side of F reservoir); ne side of F reservoir Comment
  CAS-BOT-BC197944  Phlox diffusa C. L. Hitchcock 1940-5-28 6730 Modoc Near Surprise, 15 mi. N of Alturas. Comment
  CAS-BOT-BC197954  Phlox diffusa Edward Kent Balls 1950-5-18 14748 Modoc Above Upper Rush Creek Public Camp, 2.5 mi. E of Hwy 299. 1828 Comment
  HSC81027  Phlox diffusa G. M. Riegel 1978-6-26 28 Modoc S Warner Mtns. 1739 Comment
  JEPS69977  Phlox diffusa Frances D. Payne 1931-6-25 255 Modoc 2 mi sw Warren Peak; Warner Mountains, Pine Creek Basin 2316 Comment
  UC187799  Phlox diffusa Mrs. R. M. Austin 1889-1 Modoc hills e Goose Lake Goose Lake Comment
  UCSB17307  Phlox diffusa J. Haller 1961-6-25 1865 Modoc CA 3 MI S OF PATTERSON RANGER STATION (EAGLEVILLE-LIKELY RD; CA 0.5 MI W OF CREST OF WARNER MOUNTAINS) 2285 Comment
  CAS-BOT-BC197924  Phlox douglasii subsp. rigida Robert Patterson; Mona Bourell 1993-8-15 5263 Modoc Warner Mountains. Along trail from Patterson Lake to ca. 2 mi north towards Pepperdine Trailhead. 2743 Comment
  CAS-BOT-BC197930  Phlox douglasii subsp. rigida Roxana Stinchfield Ferris; L. Lorraine 1941-8-14 10580 A Modoc 3 mi. from Patterson Ranger Station on road to Eagleville. Comment
  CAS-BOT-BC197894  Phlox hoodii subsp. canescens E. H. Steffen 1917-5-21 6 Modoc West Valley Camp. 1676 Comment
  RSA647581  Phlox hoodii subsp. canescens Marion P. Harthill 1972-6-17 850 Modoc Cedar Pass 1921 Comment
  CAS-BOT-BC197875  Phlox stansburyi C. C. (Mrs.) Bruce 1894-6-1 91 Modoc Davis Creek. Comment
  SJSU13883  Phlox stansburyi N. A. Hopkins 1985-5-13 1271 Modoc by Hwy 395 c. 30 mi S of Alturas Comment
  CHSC118078  Phlox stansburyi var. brevifolia L. P. Janeway 2016-5-17 12037 Modoc Modoc Plateau. Devils Garden area; along road 45N06 1.6 road-km northeast of Logan Slough crossing; about 3.4 air-km north of Big Sage Reservoir. 1494 Comment
  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
  JEPS96525  Phoenicaulis cheiranthoides Dean W. Taylor 1992-5-8 12559 Modoc Warner Mountains, Mt. Bidwell, ca. 0.5 miles E of Moonlite Mines 2432 Comment
  NY182049  Phoenicaulis cheiranthoides B. M. Bartholomew 1988-5-13 4152 Modoc Along Parker Creek Road, .5 km W of West Warner Road on Parker Creek Road, W side of the Warner Mountains. 1650 Comment
  POM260187  Phoenicaulis cheiranthoides C. L. Hitchcock 1940-5-27 6673 Modoc 15 miles northeast of Alturas. 1616 Comment
  UC1037470  Phoenicaulis cheiranthoides unknown 1936-6-14 8344 Modoc near summit of Cedar Pass Cedar Pass; Warner Mountains, Cedar Pass 1935 Comment
  RSA6893  Pinus albicaulis Elmer I. Applegate 1932-7-9 7587 Modoc Near summit of Bidwell Mountain, Warner Range. Comment
  UCR34664  Pinus albicaulis J. A. Harpel 1981-8-6 V 46 Modoc Warner Mtns, South Warner Wilderness Area: E end of Patterson Lake, 7 mi NW of Eagleville 2744 Comment
  CAS-BOT-BC73019  Pinus monticola Elmer I. Applegate 1932-8-5 8168 Modoc Dry, rocky crest of Cedar Mountain, Warner Mountains, 3 miles north of Cedar Pass. 2438 Comment
  UC1713800  Pinus ponderosa W. P. Taylor 1910-6-26 2027 Modoc Parker Creek; Warner Mts. 1676 Comment
  NY60274  Pinus washoensis B. M. Bartholomew 1994-7-2 6821 Modoc Just north of South Fork of Davis Creek near the crest of the Warner Mountains 2300 Comment
  CAS-BOT-BC248381  Plagiobothrys L. S. Smith 1922-7-7 1259 Modoc Modoc National Forest. High Grade & 12 Mile Sample plots 2194 Comment
  JEPS90087  Plagiobothrys acanthocarpus Dean Wm. Taylor with Robert A. Price 1988-6-4 9759 Modoc ca. 2.6 mi. S 10 degrees E Casuse Mt. (Dobie Flat, Tule Lake Basin); Modoc Plateau, Tule Lake 15' Quad. 1280 Comment
  RSA149139  Plagiobothrys bracteatus I. L. Wiggins, Dorothy Wiggins 1961-6-16 16522 Modoc Drying swale near Cloverswale Creek, 4.8 miles NE of Canby Comment
  CHSC109643  Plagiobothrys cusickii Lowell Ahart; John Dittes 2012-7-11 18332 Modoc Vernal pool like areas on the bottom of a gravel pit, north edge of the meadow, about 1/8 mile east of the parking area on the east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adam, about 8 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  JEPS121217  Plagiobothrys cusickii Lowell Ahart, John Dittes 2013-7-24 18920 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
  UC573117  Plagiobothrys hispidulus F. H. Frost July, 1925 180 Modoc Clear Lake Warner Mountains Comment
  RSA531369  Plagiobothrys mollis Bruce Bartholomew 1990-7-19 5401 Modoc Turner Creek at County Road 90, N end of Big Valley. 6.4 km N of Lassen County border 1230 Comment
  CAS-BOT-BC58746  Plagiobothrys scouleri Alice Eastwood; John Thomas Howell 1940-6-12 8078 Modoc Between Likely and Jess Valley. Comment
  CAS-BOT-BC58762  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
  UCR165709  Plagiobothrys scouleri var. hispidulus David A. Charlet 1989-8-15 505 Modoc Warner Mountains; 1.2 km NW of Eagle Peak 2550 Comment
  SEINET10546952  Plagiobothrys scouleri var. hispidulus David B. Dunn, Paul Gallian 1971-6-2 Dunn 17775 Modoc 9 mi SW of Canby on CA Hwy 299, in decomposed granite; in Artemesia, very moist season of year with melting patches of snow. Pinus ponderosa-juniper assoc. 30-40 slope. 1463 Comment
  CHSC85102  Plagiobothrys stipitatus var. micranthus John Dittes; Josephine Guardino 1991-6-1 370 Modoc Modoc Plateau; Big Valley; Ash Creek Wildlife Area; ca. 5.7 air-miles northeast of Bieber, ca. 7.6 air-miles west of Adin, ca. 1.5 air-mile southeast of Pilot Butte summit; meadow at northern edge of Ash Creek Floodplain (Big Swamp) at southeast base of Pilot Butte. 1258 Comment
  CAS-BOT-BC58767  Plagiobothrys stipitatus var. micranthus Herbert Louis Mason; Verne Grant 1947-7-12 13410 Modoc W side of Pit River Valley, S of Alturas. Comment
  CAS-BOT-BC58773  Plagiobothrys tenellus Bruce Bartholomew; Barrett Anderson 1989-4-27 4630 Modoc Little Hot Spring Valley, 4.0 km NW of Day. 1070 Comment
  UC24588  Plagiobothrys tener var. tener Milo S. Baker 1893-7-1 Modoc Comment
  CAS-BOT-BC190748  Plantago major Bruce Bartholomew 1990-8-3 5615 Modoc 8 km E of Likely on road to Jess Valley. Along S Fork of the Pit River. 1420 Comment
  RSA210876  Plantago major Robert F. Thorne, James Henrickson, C. W. Tilforth 1969-9-4 39121 Modoc N Fork of Pit River 3.4 mi N of Alturas where crossed by Highway 395. 1341 Comment
  UC429096  Platanthera Mrs. Austin Jul 1894 127 Modoc Lassen Creek Comment
  UC429189  Platanthera Franklin P. Nutting Modoc Taylor Creek, n California Taylor Creek Comment
  HSC16609  Platanthera dilatata var. leucostachys M. T. Milligan 1965-6-26 327 Modoc N end Jess Valley 1616 Comment
  CAS-BOT-BC242221  Platanthera dilatata var. leucostachys Bruce Bartholomew 1989-7-14 4973 Modoc Field redacted by CAS, contact the data manager for more information 1480 Comment
  JEPS86307  Platanthera leucostachys Jack and Betty Guggolz 1988-7-5 980 Modoc alongside but not in west branch of Bidwell Creek; North Star Basin Comment
  UC71857  Platanthera leucostachys Mrs. M. H. Manning 1903-8-9 316 Modoc near Fort Bidwell (ne Modoc County) Comment
  CAS-BOT-BC242206  Platanthera stricta K. Paulson; Robert Paulson 1989-7-14 184 Modoc Field redacted by CAS, contact the data manager for more information 1987 Comment
  CAS-BOT-BC242209  Platanthera stricta Bruce Bartholomew 1994-7-2 6823 Modoc Field redacted by CAS, contact the data manager for more information 1910 Comment
  CAS-BOT-BC245391  Plectritis macrocera Fred D. Douthitt 1916-5-11 19 Modoc Juniper Flats - West Valley etc. 1524 Comment
  CAS-BOT-BC245398  Plectritis macrocera Bruce Bartholomew; Barrett Anderson 1989-4-29 4665 Modoc W side of Upper Alkali Lake, 7 km S of Fort Bidwell, Surprise Valley. 1370 Comment
  UC71838  Plectritis macrocera Mrs. M. H. Manning 1903-4-30 92 Modoc near Fort Bidwell (in north-eastern Modoc County) Comment
  JEPS26657  Plectritis macrocera Lauramay T. Dempster 1961-6-19 1708 Modoc middle fork Davis Creek, e of Davis Creek (town) Davis Creek 1645 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
  JEPS36546  Pleiacanthus spinosus W. L. Jepson 1918-8-6 7832 Modoc Davis Creek Comment
  CAS-BOT-BC247623  Poa X limosa Leland S. Smith 1924-6-29 1434 Modoc Happy Camp. 1524 Comment
  HSC80829  Poa bolanderi G. M. Riegel 1979-9-1 730 Modoc S Warner Mtns. 1829 Comment
  CAS-BOT-BC247585  Poa bulbosa Margaret J. Williams 1984-6-30 84- 80 -2 Modoc 6.8 mi. W of Cedarville-Gerlach road. Granger Canyon road. 1981 Comment
  UCD90871  Poa compressa Leo Whitney 1935-6-1 3169 Modoc one mile southwest of White Horse. Comment
  UCD90917  Poa cusickii L. Whitney 1935-5-26 3141 Modoc Ash Creek, 10 miles E of Adin. Comment
  HSC38840  Poa palustris J. P. Smith, J. O. Sawyer 1973-8-9 7277 Modoc Blue Lake, Modoc National Forest 1829 Comment
Read comments
Jul 11 2013
  RSA534587  Poa pratensis Bruce Bartholomew, B. Anderson 1990-7-21 5580 Modoc Homestead Flat, ca. 2.5 km E. of Patterson Ranger Station, E. side of Warner Mts. 2160 Comment
  SEINET190964 Image available Poa pratensis A. A. Beetle 1941-6-29 2822 Modoc 15 miles east of Alturas road to Cederville Pass. 1372 Comment
  CHSC112686  Poa pratensis subsp. pratensis Lowell Ahart; John Dittes, Todd Sloat 2013-6-8 18767 Modoc Meadow, about 300 yards northeast of the Parking Area, northeast of the old barn, Ash Creek State Wildlife Area, about 3.9 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  JEPS120882  Poa pratensis subsp. pratensis Lowell Ahart, John Dittes, Todd Sloat 2013-6-8 18767 Modoc About 300 yards NE of the Parking Area, NE of the old barn, Ash Creek Wildlife Area, about 3.9 air miles W of Adin, about 7.7 air miles NE of Bieber, Big Valley. Comment
  RSA602386  Poa secunda L. C. Wheeler 1935-8-2 3742 Modoc Dismal Swamp, Twenty Mile Creek; Warner Mountains 2226 Comment
  RSA647547  Poa secunda Marion P. Harthill 1972-6-17 851 a Modoc Cedar Pass 1921 Comment
  CHSC85399  Poa secunda subsp. juncifolia John Dittes; Josephine Guardino 1991-7-21 441 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
  UC70673  Poa secunda subsp. juncifolia Mrs. M. H. Manning June 1903 428 Modoc Comment
  CAS-BOT-BC247605  Poa secunda subsp. secunda John Thomas Howell 1934-7-1 12343 Modoc Duncan Horse Camp. 1355 Comment
  CAS-BOT-BC247660  Poa secunda subsp. secunda John Thomas Howell 1934-6-11 11927 Modoc Parker Creek. 1584 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
  HSC10663  Poa secunda subsp. secunda M. T. Milligan 1965-7-1 410 Modoc Plateau W of Jess Valley. 1829 Comment
  HSC10779  Poa secunda subsp. secunda M. T. Milligan 1964-6-4 18 Modoc East D St. between 4th and 5th St., Alturas 1372 Comment
  UC70963  Poa secunda subsp. secunda M. S. Baker and Frank Nutting 1894-1 Modoc w side of Egg Lake Comment
  UCD32711  Poa secunda subsp. secunda Beecher Crampton 1954-7-7 2140 Modoc W side of Cedar Pass. 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
  UCD91754  Poa wheeleri L. Whitney 1935-5-26 3154 Modoc Ash Creek, 10 miles E of Adin. Comment
  CHSC67510  Pogogyne floribunda J. D. Jokerst 1990-7-31 3205 Modoc Modoc National Forest, Devils Garden Ranger District (south of Clear Lake), about 1.5 miles SE of Doublehead Mountain, N and adjacent to dirt road and 0.25 mile W of a north to south-oriented fanceline through the center of section. 1371 Comment
  CHSC67511  Pogogyne floribunda J. D. Jokerst 1987-7-13 2946 Modoc Modoc National Forest, Devils Garden Ranger District (south of Clear Lake), west of Sector 4 of the Air Force Backscatter Radar Site. About 3 miles S of Doublehead Mountain. Comment
  RSA580060  Pogogyne floribunda Louis C. Wheeler 1935-8-25 3915 Modoc Rim Rock Valley Reservoir, Devil s Garden 1524 Comment
  CHSC117863  Polemonium micranthum L. P. Janeway 2016-5-16 11979 Modoc Modoc Plateau. Devils Garden area; along Road 47N07 1.8 road-km south of Road 181/73/47N09. 1573 Comment
  NY963444  Polemonium micranthum B. M. Bartholomew 1989-4-29 4671 Modoc 6.4 km east of Fort Bidwell on road to Fee Reservoir, northeast corner of Surprise Valley 1460 Comment
  JEPS69904  Polemonium micranthum Fred P. Cronemiller 1920-8-10 20 Modoc Mill Creek Meadows Modoc National Forest, Mill Creek Meadow 2087 Comment
  SEINET13761523  Polemonium occidentale subsp. occidentale D. A. Charlet 1989-8-21 590 Modoc Warner Mountains, 1.2 kilometers northwest of Eagle Peak 2579 Comment
  UCR34704  Polemonium pulcherrimum J. A. Harpel 1981-8-6 V 26 Modoc Warner Mtns, South Warner Wilderness Area: E end of Patterson Lake, 7 mi NW of Eagleville 2744 Comment
  UC1037294  Polyctenium fremontii Leo Whitney 1934-4-29 1662 Modoc Dry creek bed near Hockamore (Modoc National Forest); , near Hockamore 1463 Comment
  UCR87511  Polyctenium fremontii George K. Helmkamp, E. A. Helmkamp 1993-5-4 s.n. Modoc 25.6 miles NW of Canby along Calif. Hwy 139 1280 Comment
  CAS-BOT-BC58321  Polyctenium fremontii var. fremontii Bruce Bartholomew 1991-5-24 5739 Modoc Near N side of Big Mud Lake at the Nevada State boundary. 1680 Comment
  UC17451  Polygala cornuta var. cornuta Milo S. Baker 1893-6 Modoc Dunsmuir Sac. Canyon Comment
  JEPS88601  Polygonum Dean Wm. Taylor, Glenn L. Clifton 1987-6-24 9061 Modoc Whitehorse (site), a railroad siding in Section 16 Whitehorse 1341 Comment
  CAS-BOT-BC419700  Polygonum austiniae Mrs. R. M. Austin; Mrs. Bruce 1898-6-1 s.n. Modoc Goose Lake Comment
  CHSC106350  Polygonum aviculare Lowell Ahart; John Dittes 2010-8-30 17071 Modoc About 150 yards west of the fence, south edge of the meadow, Ash Creek State Wildlife Area, 2,300 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  RSA0049649  Polygonum aviculare subsp. buxiforme Dean Wm. Taylor 2012-7-18 21280 Modoc Windmill Flat (tributary Juniper Creek, Pit River watershed, 11 miles S of Adin) 1706 Comment
  UC402681  Polygonum aviculare subsp. buxiforme W. P. Taylor and H. C. Bryant 1910-7-13 Modoc N. Fork Parker Cr. Warner Mountains (head) 2225 Comment
  RSA530111  Polygonum buxiforme D. W. Taylor, G. L. Clifton 1989-8-6 10486 Modoc bed of Snake Lake 1570 Comment
Read comments
Mar 12 2011
  RSA628303  Polygonum buxiforme Louis C. Wheeler 1973-8-23 s.n. Modoc Alturas. Comment
  RSA0034565  Polygonum convolvulus Louis C. Wheeler 1935-8-6 3799 Modoc Mouth Pine Creek, Warner Mountains. 1509 Comment
  SEINET10624409  Polygonum convolvulus Louis C. Wheeler 1935-8-6 Wheeler 3799 Modoc Climbing on garden fence. Mouth Pine Creek, Warner Mountains. S32, T48N, R15E Alt. 4950 Feet. 1500 Comment
  CAS-BOT-BC218137  Polygonum douglasii Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10536 Modoc Patterson Ranger Station (East Creek drainage). Modoc National Forest. Warner Mountains 2164 Comment
  POM203796  Polygonum douglasii J. T. Howell 1934-6-12 12002 Modoc Davis Creek Comment
  OBI59431  Polygonum douglasii Barbara Ertter 1988-6-18 7615 Modoc hwy 139 ca 50 airmiles SW of Klamath Falls, a few mi N of Agric. Inspection station, 1 mi S of S jct to Lava Beds natl Monument E of Tonesta 1311 Comment
  SJSU9579  Polygonum douglasii W. Savage 1979-7-4 1339 Modoc Triange, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  JEPS51293  Polygonum douglasii subsp. douglasii Leland S. Smith 1918-7-11 986 Modoc Mill Creek Meadows Modoc <National> Forest 1981 Comment
  CHSC106322  Polygonum douglasii subsp. spergulariiforme Lowell Ahart; John Dittes 2010-8-31 17133 Modoc On the east side of Elkins Lane, about 100 yards north of the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  SEINET11929437  Polygonum kelloggii Unknown 1940-1 40494 Modoc Comment
  CDA15889  Polygonum lapathifolium J. DiTomaso 2000-7-25 s.n. Modoc Modoc Plateau; Along Eastside Canal, 1/4 mi. W of US Hwy 395 off Jones Lane, and 1/2 mi. S of southern tip of Modoc National Wildlife Refuge. 1371 Comment
  UC1101142  Polygonum lapathifolium Herbert L. Mason 1947-8-8 13466 Modoc nw Alturas (sw margin of reservoir); Big Sage Reservoir Comment
  CDA22820  Polygonum lapathifolium var. salicifolium T. C. Fuller 1958-7-8 1957 Modoc Corporation Ranch, Likely. 0 Comment
  CAS-BOT-BC218165  Polygonum polygaloides Bruce Bartholomew; Barrett Anderson 1989-6-1 4726 Modoc Shake Spring, NW side of Shaffer Mountain. 1500 Comment
  JEPS98240  Polygonum polygaloides subsp. confertiflorum R. E. Preston 2000-7-17 1388 Modoc 11 mi NW of Canby (N side of Hwy 139, 2.3 mi e of FSR 44N11) 1490 Comment
  UCD77940  Polygonum polygaloides subsp. esotericum Robert E. Preston 2000-7-18 1419 Modoc Ca. 8 mi nw of Canby, on n side of Hwy 139, 0.75 mi w of Forest Service Rd 46N10. 1511 Comment
  UCD77944  Polygonum polygaloides subsp. esotericum Robert E. Preston 2000-7-18 1417 Modoc Ca. 11 mi nw of Canby, 1,000 ft n of Hwy 139. 1487 Comment
  CAS-BOT-BC218186  Polygonum polygaloides subsp. kelloggii John Thomas Howell 1934-6-12 12033 Modoc Plum Valley, Warner Mts. Comment
  CAS-BOT-BC218189  Polygonum polygaloides subsp. kelloggii Roxana Stinchfield Ferris; R. Duthie 1919-6-14 107 Modoc Above Parker Creek, Warner Mts. Comment
  UC1713244  Polygonum polygaloides subsp. kelloggii Herbert L. Mason 1957-7-6 14725 Modoc Rim Rock, west of Goose Lake Comment
  CDA22856  Polygonum ramosissimum T. C. Fuller 1958-8-12 2068 Modoc Corporation Ranch, Likely. 0 Comment
  RSA601505  Polygonum ramosissimum Louis C. Wheeler 1935-8-6 3801 Modoc 1/2 mile S Pine Creek. 1509 Comment
  NY407628  Polygonum sawatchense A. Tiehm 1984-6-30 8841 Modoc Northwest side of Bidwell Mountain, 2.8 road miles north of 8 mile creek on the road from Lake Annie 1828.8 Comment
  CAS-BOT-BC420162  Polygonum sawatchense subsp. sawatchense Ira L. Wiggins; Dorothy B. Wiggins 1961-6-15 16507 Modoc 16 mi. W of Canby, along Calif. St. Highway 139 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
  UC1024926  Polypogon monspeliensis Leo Whitney 1935-6-30 3352 Modoc Hackamore Lake Joaquina (ca 15 mi nw of Canby, Modoc National Forest); Modoc National Forest, , Hackamore 1463 Comment
  CAS-BOT-BC225104  Populus tremuloides Elmer Ivan Applegate 1932-7-31 7951 Modoc Mill Creek Meadow, Warner Mts. Comment
  RSA233768  Populus trichocarpa Robert F. Thorne, C. W. Tilforth 1969-9-5 39159 Modoc Wet mud at margin of Clear Lake. Warner Mountains, Modoc National Forest. 1768 Comment
  CAS-BOT-BC95151  Porterella carnosula Bruce Bartholomew 1991-7-6 5976 Modoc Curtis Waterhole and adjacent lava outcrops. 1310 Comment
  RSA603999  Porterella carnosula L. C. Wheeler 1935-8-3 3756 Modoc Warner Mountains: Rock Lake, Pine Creek 1920 Comment
  SEINET11664775  Potamogeton amplifolius A. Seneres, Harold, N. 1983-1 113 Modoc in Warner Mountains Comment
  RSA577887  Potamogeton epihydrus L. C. Wheeler 1935-10-6 4023 Modoc Lily Lake, Pine Creek. (Mt. Diablo Mer.) 2073 Comment
  CAS-BOT-BC242228  Potamogeton nodosus Bruce Bartholomew 1992-8-7 6356 Modoc Along the Pit River just SW of Canby Bridge. 1300 Comment
  CAS-BOT-BC242271  Potamogeton richardsonii Herbert Louis Mason; Verne Grant 1947-7-11 13380 Modoc Road from Likely to Jess Valley, ca. 1 mi. E of Likely. Comment
  UC1100100  Potamogeton richardsonii Verne Grant, Irving Schneider 1947-7-18 8053 Modoc 1.4 mi n of Bayley's Bridge (s of Alturas) Comment
  UC1100101  Potamogeton richardsonii Herbert L. Mason 1947-8-13 13530 Modoc n of Canby (ne side of F Reservoir) Comment
  CAS-BOT-BC242267  Potamogeton zosteriformis Verne Grant; I. Schneider 1947-7-18 8054 Modoc 1.4 mi. N of Bayley's bridge, S of Alturas. Comment
  RSA85818  Potentilla biennis F. W. Peirson 1926-6-25 6881 Modoc Small side canyon 1 mile east of summit of Warner Mountains, on Cedarville Road Comment
  CAS-BOT-BC214747  Potentilla breweri Francis Dorris Payne 1932-7-1 656 Modoc Pine Creek Basin, Warner Mts. Comment
  RSA612793  Potentilla bruceae Louis C. Wheeler 1935-8-1 3734 -B Modoc Dismal Swamp, Twenty Mile Creek, Warner Mountains. 2226 Comment
  NY832640  Potentilla drummondii B. M. Bartholomew 1988-7-23 4568 Modoc Dismal Swamp, Warner Mountains 2180 Comment
  RSA520455  Potentilla fruticosa K. Paulson 1990-7-2 212 Modoc Dismal Swamp, Warner Mts. 2195 Comment
  CAS-BOT-BC214783  Potentilla gracilis Bruce Bartholomew 1991-7-4 5914 Modoc Roney Flat. 1460 Comment
  HSC80693  Potentilla gracilis var. fastigiata G. M. Riegel 1979-8-13 661 Modoc S Warner Mtns. 1670 Comment
  UC545656  Potentilla gracilis var. fastigiata John Thomas Howell 1934-6-12 12029 Modoc Plum Valley Warner Mts., Plum Valley Comment
  RSA504842  Potentilla gracilis var. fastigiata Bruce Bartholomew 1988-7-21 4473 Modoc Vicinity of Patterson Campground, Southern end of the Warner Mountains. 668 Comment
  POM224087  Potentilla newberryi J. T. Howell 1934-7-2 12356 Modoc Nigger Ben Spring, SE end of Clear Lake. Comment
  CAS-BOT-BC225023  Poteridium annuum Margaret J. Williams 1984-6-20 84- 84 -3 Modoc 13.4 mi W of Parker Creek Road. 1584 Comment
  HSC14305  Prunella vulgaris M. T. Milligan 1964-7-20 148 Modoc N end of Jess Valley, near Mill Creek. 1677 Comment
  POM89357  Prunus emarginata R. M. Austin 1895-06 59 Modoc Ross Canyon Comment
  CAS-BOT-BC214820  Prunus subcordata Gladys L. Smith; Margaret Williams; Loring Williams; Charles Smith 1983-9-14 8388 Modoc Second big curve ascending Ft. Bidwell side 1377 Comment
  HSC27163  Prunus subcordata J. P. Smith, J. O. Sawyer 1972-5-6 5280 Modoc 2.8 mi. from jct. with Hwy. 395 on rd. between Davis Creek and Fandango Valley 1524 Comment
  UC62227  Prunus subcordata Mrs. M. H. Manning 1904-9-1 2 Modoc Alturas Comment
  UC62231  Prunus subcordata Mrs. M. H. Manning Sept. 1904 1 Modoc Alturas Comment
  CAS-BOT-BC225005  Prunus virginiana var. demissa Bruce Bartholomew; Barrett Anderson 1989-6-1 4733 Modoc Shake Spring, NW side of Shaffer Mountain. 1500 Comment
  HSC65595  Prunus virginiana var. demissa Thomas Wood 1979-8-9 229 Modoc Dirt Road along Bidwell Creek, 2.8 mi. NW of junction with Co. Hwy. 2 N of Fort Bidwell 1509 Comment
  RSA59525  Prunus virginiana var. melanocarpa E. K. Balls 1950-5-20 14815 Modoc S Fork Pit River. About S Fork Public Camp. Likely to Jess Valley. 1433 Comment
  JEPS34063  Pseudognaphalium thermale L. S. Smith 1922-1-1 Modoc Modoc National Forest Comment
  CAS-BOT-BC252506  Pseudoroegneria spicata subsp. spicata Roxana Stinchfield Ferris; L. Lorraine 1941-8-12 10510 Modoc Between Hackamore and Canby. Comment
  JEPS68373  Pseudoroegneria spicata subsp. spicata Leland S. Smith 1918-6-22 973 Modoc Modoc National Forest, Pine Creek Pine Creek; Modoc National Forest, Pine Creek 2042 Comment
  UC748047  Pseudostellaria jamesiana Annie M. Alexander and Louise Kellogg 1946-7-3 4899 Modoc 7 mi w Fort Bidwell; Bidwell Creek Canyon, w of Fort Bidwell 1444 Comment
  HSC80709  Pseudostellaria jamesiana G. M. Riegel 1980-7-8 834 Modoc S Warner Mtns. 1670 Comment
  CAS-BOT-BC50386  Psilocarphus brevissimus var. brevissimus Herbert Louis Mason; Verne Grant 1947-7-10 13328 Modoc Dorris Reservoir, 2 miles E of Alturas Comment
  CHSC112065  Psilocarphus brevissimus var. brevissimus L. P. Janeway; B. Castro 2014-6-3 11323 Modoc Great Basin. On the dry cracked white mud of Big Mud Lake, near the northwest edge. 1637 Comment
  UC1192095  Psilocarphus oregonus Herbert L. Mason and Verne Grant 1947-7-13 13450 Modoc near Goose Lake (on road to Fort Bidwell, w end of Fandango Pass); Fandango Pass Comment
  CAS-BOT-BC95680  Pterospora andromedea Francis Dorris Payne 1935-7-19 799 Modoc Dry Creek. Comment
  CHSC85411  Puccinellia lemmonii John Dittes; Josephine Guardino 1991-7-21 434 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
  JEPS124303  Puccinellia lemmonii Lowell Ahart, John Dittes 2015-7-15 20345 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
  UCD32678  Puccinellia lemmonii Beecher Crampton 1954-7-6 2084 Modoc Modoc County, 4 miles north Likely, flat along US highway 395. Comment
  CAS-BOT-BC218231  Purshia tridentata var. tridentata A. D. Borden 1911-8-9 Modoc S slope of Shields Creek. Comment
  CAS-BOT-BC218238  Purshia tridentata var. tridentata John Thomas Howell 1934-6-11 11925 Modoc Parker Creek, Warner Mts. 1584 Comment
  RSA520466  Purshia tridentata var. tridentata K. Paulson, R. Paulson 1989-5-8 112 Modoc Howard's Gulch. Along Hwy 139. 1372 Comment
  UC1128536  Purshia tridentata var. tridentata R. C. Wilson 1933-6-7 41 Modoc Pothole Gulch; Modoc National Forest, Canby Quad. 1310 Comment
  UC467826  Purshia tridentata var. tridentata B. C. Goldsmith 1910-1 Modoc Alturia Comment
Read comments
Aug 27 2007
  NY188348  Pyrola picta B. M. Bartholomew 1988-7-21 4408 Modoc Whitehorse Mountains, 11 km N of Day on the road to Whitehorse Flat Reservoir 1340 Comment
  SEINET195665  Pyrola picta Unknown 1946-8-8 5121 Modoc Deep Creek Canyon, Warner Mountains. Comment
  CHSC115492  Pyrrocoma carthamoides var. cusickii L. P. Janeway 2014-7-8 11458 Modoc Modoc Plateau. East corner of Dry Creek Rim; along Road 47N08 (Corral Creek Road) 3.1 road-km north-northwest of Road 48 (along the west edge of Goose Lake). 1650 Comment
  JEPS74349  Pyrrocoma carthamoides var. cusickii L. R. Heckard, T. I. Chuang, and R. Bacigalupi 1974-7-24 3768 Modoc 3.5 mi n Cedar Pass (along forest service road); Warner Mts. 2042 Comment
  UC296010  Pyrrocoma lanceolata var. subviscosa H. M. Hall 1925-8-30 12212 Modoc n edge Likely (19 mi s of Alturas (w side of road)) Comment
  CAS-BOT-BC50361  Raillardella argentea Bruce Bartholomew 1991-8-5 6066 Modoc Spring NE of Cottenwood Lake along Summit Trail from Squaw Peak to Patterson Lake, Warner Mts. 2580 Comment
  CAS-BOT-BC217255  Ranunculus alismifolius Bruce Bartholomew; M; M. Gilbert; L. E. Skog 1993-5-12 6524 Modoc W side of Whitehorse Reservoir. 1360 Comment
  UC1731507  Ranunculus alismifolius Dean W. Taylor 1992-5-8 12567 Modoc 0.5 mi e of Moonlite Mines (Warner Mountains, Mount Bidwell); Warner Mountains, Mount Bidwell 2432 Comment
  UC748219  Ranunculus alismifolius var. alismifolius Annie M. Alexander and Louise Kellogg 1946-6-8 4696 Modoc road from Eagleville to Patterson Mill 2286 Comment
  CAS-BOT-BC379337  Ranunculus andersonii var. andersonii Ira L. Wiggins; Dorothy B. Wiggins 1961-6-12 16427 Modoc grassy patch in full sun near summit of Cedar Pass, between Alturas and Cedarville 1920 Comment
  CAS-BOT-BC379160  Ranunculus aquatilis var. aquatilis Clare R. Wheeler; Gladys L. Smith 1981-5-23 2277 Modoc Rancheria Creek at Elkhorn Road, Yorkville, 4.5 mi S of Hwy 128 274 Comment
  UC9369  Ranunculus aquatilis var. capillaceus Milo S. Baker 1893-7-9 Modoc Comment
  UC71612  Ranunculus aquatilis var. hispidulus Mrs. M. H. Manning 1903-4-26 88 Modoc near Fort Bidwell (ne Modoc Co.) Comment
  SEINET12087539  Ranunculus austinae R. M. Austin 1894-1 s.n. Modoc E of Willow Creek Comment
  CAS-BOT-BC217231  Ranunculus cymbalaria E. S. Willits 1939-10-10 166 Modoc Surprise Valley. Comment
  CHSC115555  Ranunculus cymbalaria Lowell Ahart; John Dittes 2015-7-16 20377 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
  CHSC115571  Ranunculus cymbalaria Lowell Ahart; John Dittes 2015-7-15 20348 Modoc On the east side of Eldins 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) northeast of Bieber, Big Valley. 1266 Comment
  UC480945  Ranunculus cymbalaria var. saximontanus W. P. Taylor and H. C. Bryant 1910-7-13 Modoc Head N. Fork Parker Cr. Warner Mountains 2225 Comment
  CAS-BOT-BC217238  Ranunculus eschscholtzii var. oxynotus Elmer Ivan Applegate 1932-8-3 8133 Modoc E slope of Eagle Peak, Warner Mts. 2743 Comment
  UC748222  Ranunculus eschscholtzii var. oxynotus Annie M. Alexander and Louise Kellogg 1946-7-30 5098 Modoc Eagle Peak Warner Mountains Comment
  POM99180  Ranunculus flammula var. ovalis R. M. Austin 1895-07 s.n. Modoc Goose Lake Valley. Comment
  UC1191128  Ranunculus glaberrimus William P. Dasmann 1947-4-19 32 Modoc Saddle Blanket Flat area 1371 Comment
  RSA59654  Ranunculus glaberrimus var. ellipticus E. K. Balls 1950-5-12 14636 Modoc above Bucks Creek Ranger Station, Modoc National Forest; east of Goose Lake. 1768 Comment
  CAS-BOT-BC217245  Ranunculus glaberrimus var. glaberrimus F. Angwin 1946-4-21 Modoc Stone Coal Canyon, near Adin. 1280 Comment
  CHSC1486  Ranunculus macounii J. Wakeman 1963-5-11 Modoc Big Valley, along Hiway 299. 1219 Comment
  JEPS86347  Ranunculus occidentalis Jack and Betty Guggolz 963 Modoc w Jenkins Comment
  HSC28250  Ranunculus occidentalis var. dissectus J. P. Smith, J. O. Sawyer 1972-5-6 5263 Modoc FS road to Quail Spring at Hwy. 299, N of Adin 1463 Comment
  RSA59730  Ranunculus occidentalis var. eisenii E. K. Balls 1950-5-17 14740 Modoc Howard's Gulch Public Camp, off Hwy. 139. N.W. of Canby. 1433 Comment
  RSA59533  Ranunculus occidentalis var. eisenii E. K. Balls 1950-5-20 14807 Modoc 2.1 miles above S Fork Public Camp, aldong S Fork Pit River to Jess Valley 1463 Comment
  CAS-BOT-BC217210  Ranunculus occidentalis var. occidentalis Bruce Bartholomew; Barrett Anderson 1988-6-23 4278 Modoc 4.0 km W of Day on County Road 94. 1340 Comment
  CAS-BOT-BC217189  Ranunculus orthorhynchus var. orthorhynchus Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-14 16486 Modoc 6.4 mi. S of Lassen Creek camp ground, on roda to Buck Mt., Warner Mts. Comment
  CHSC117241  Ranunculus sardous Lowell Ahart; John Dittes 2016-7-16 21256 Modoc Strand of the second pond, south of Ash Creek Canal (now filled in), south of Ash Creek, Ash Creek State Wildlife Area, 0.79 miles (air) south of County Road 87, 1.75 miles (air) west of Adin, Big Valley. 1273 Comment
  CDA24350  Ranunculus sceleratus var. multifidus T. C. Fuller 1979-6-5 20266 Modoc R. A. Byrne property, north side of Highway 108, 10 km northeast of Tulelake. 0 Comment
  POM275140  Ranunculus sceleratus var. multifidus A. M. Alexander, Louise Kellogg 1946-6-7 4674 Modoc 0.5 miles E of Cedarville. 1454 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
  SJSU9663  Ranunculus testiculatus Wayne Savage 1979-7-9 1506 Modoc by ranch house, Round Valley, Triangle, Devils Garden District, Modoc National Forest 1493 Comment
  JEPS3949  Ranunculus uncinatus N. T. Mirov 1929-7-4 Modoc about one mi s Oregon-California boundary; Warner Mountains, Lily Lake 2133 Comment
  CDA24361  Ranunculus uncinatus G. D. Barbe, J. Kelley 1988-7-2 4299 Modoc Modoc National Wildlife Refuge, southeast of Alturas. 0 Comment
  JEPS60664  Ranunculus uncinatus Frances D. Payne 1929-6-22 15 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  SEINET5338928  Ranunculus uncinatus var. uncinatus M. J. Williams 1984-6-30 84- 80 -8 Modoc Seepage area near a reservoir, 6.8 miles west of Cedarville-Gerlach road. 1981 Comment
  CAS-BOT-BC6201  Rhamnus rubra subsp. modocensis Elmer Ivan Applegate 1897-5-31 863 Modoc 7 mi. SE of Dry Lake. Comment
  RSA520469  Rhus trilobata Bruce Bartholomew, B. Anderson 1989-4-27 4622 Modoc Little Hot Springs Valley, 2.9 km. NW of Day 1080 Comment
  CAS-BOT-BC225857  Ribes aureum Elmer Ivan Applegate 1929-7-29 6089 Modoc N side of Clear Lake. Comment
  CAS-BOT-BC225861  Ribes aureum Roxana Stinchfield Ferris 1951-9-14 12465 Modoc E face of Warner Mtns. at California line between Adel, Oregon and Fort Bidwell. Comment
  CHSC42151  Ribes aureum C. E. Laver 1986-3-26 Modoc Ca. 13 mi ne of Alturas and 100 yd e of Thoms Creek. 1493 Comment
  RSA488571  Ribes aureum Bruce Bartholomew, B. Anderson 1988-5-14 4188 Modoc 2 km. S of McGinty Point, edge of causeway across the SW corner of Goose Lake. 1430 Comment
  RSA59530  Ribes aureum E. K. Balls 1950-5-20 14809 Modoc 2.1 mi. above South Fork Public Camp along South Fork Pit River. 1463 Comment
  CAS-BOT-BC225868  Ribes cereum Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16417 Modoc Mountainside near summit of Cedar Pass between Alturas and Cedarville. 1943 Comment
  CAS-BOT-BC225877  Ribes cereum Roxana Stinchfield Ferris; R. Duthie 1919-6-15 89 Modoc Parker Creek near Modoc Nat. Forest Boundary. Comment
  CAS-BOT-BC225893  Ribes cereum Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-13 6544 Modoc 8 km E of Likely along S Fork of Pit River. 1380 Comment
  JEPS46216  Ribes cereum F. H. Frost 1925-7-11 39 Modoc 2 mi above, Cedar Canyon campsite Cedarville; Cedar Canyon Comment
  RSA152452  Ribes cereum I. L. Wiggins, Dorothy Wiggins 1961-6-12 16417 Modoc Mountainside near summit of Cedar Pass, between Alturas and Cedarville 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
  UC71795  Ribes cereum Mrs. M. H. Manning 1902-10-11 37 a Modoc Warner Mts. 1828 Comment
  UC745479  Ribes cereum Annie M. Alexander and Louise Kellogg 1946-6-8 4693 Modoc road from Eagleville to Patterson Mill 2164 Comment
  RSA0021946  Ribes montigenum Elmer I. Applegate 1932-8-3 8122 Modoc Dry, rocky summit of Warner Mountains just north of Eagle Peak. Comment
  RSA0024591  Ribes roezlii var. cruentum Bruce Bartholomew, M. Gilbert, L. Skog 1993-5-12 6523 Modoc S side of Whitehorse Reservoir. 1300 Comment
  UC1539998  Ribes velutinum M. Mitchell 1936-5-21 25 Modoc Frozen River Cave Lava Beds National Monument 1348 Comment
  UC75448  Ribes velutinum Milo S. Baker 1893-1 Modoc Egg Lake Comment
  CAS-BOT-BC225936  Ribes viscosissimum Bruce Bartholomew; Barrett Anderson 1988-6-24 4298 Modoc Road beyond Poison Lake ca. 8 km S of the road from U.S. Highway 395 to Lily Lake, Warner Mts.. 2130 Comment
  CAS-BOT-BC225939  Ribes viscosissimum Francis Dorris Payne 1929-7-7 50 Modoc Pine Creek Basin. 2133 Comment
  CAS-BOT-BC225943  Ribes viscosissimum Bruce Bartholomew 1989-7-14 4978 Modoc Vicinity of Upper Rush Creek Camp Ground. 1580 Comment
  CAS-BOT-BC50327  Rigiopappus leptocladus Bruce Bartholomew 1991-7-5 5930 Modoc Vicinity of Cow Head Spring between Dorris Bothers Reservoir and Cow Head Tank. 1510 Comment
  CAS-BOT-BC50330  Rigiopappus leptocladus Bruce Bartholomew 1993-6-14 6665 Modoc 4 km E of County Road 114 on County Road 108, NW of Clear Lake Reservoir. 1400 Comment
  CAS-BOT-BC58408  Rorippa austriaca M. K. Bellue 1933-6-1 Modoc Alturas. Comment
  CAS-BOT-BC58409  Rorippa austriaca W. Ball 1937-6-27 Modoc Corporation Ranch. Comment
  CDA3843  Rorippa austriaca G. D. Barbe 1985-8-29 4251 Modoc East of the railroad crossing and the Eastside Canal; Corporation Ranch north of Likely. 0 Comment
  UCD115241  Rorippa austriaca W. S. Ball 1937-6-27 s.n. Modoc Corporation Ranch. Comment
  CAS-BOT-BC58414  Rorippa curvisiliqua Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10561 Modoc Patterson Ranger Station (East Creek drainage), Warner Mts. 2164 Comment
  CAS-BOT-BC58415  Rorippa curvisiliqua Barrett Anderson 1986-7-9 3179 Modoc Stough Reservoir Rd. just E of Cedar Pass near Stough Reservoir. 1965 Comment
  CAS-BOT-BC58417  Rorippa curvisiliqua Reed Clark Rollins; Kathryn W. Rollins 1983-7-6 83229 Modoc Above Widow Valley, ca. 3 mi E of Day. Comment
  RSA210835  Rorippa curvisiliqua R. F. Thorne, James Henrickson, C. W. Tilforth 1969-9-4 39111 Modoc N Fork of Pit River 3.4 mi N of Alturas where crossed by Hwy 395. 1341 Comment
  RSA0042938  Rorippa curvisiliqua Robert F. Thorne, J. Henrickson, C. W. Tilforth 1969-9-4 39111 Modoc On muddy spit and shore of N Fork of Pit River 3.4 mi. N of Alturas where crossed by Highway 395. 1341 Comment
  CHSC109491  Rorippa curvisiliqua var. orientalis L. P. Janeway; B. Castro 2012-7-26 11004 Modoc Warner Mountains. At Little Lily Lake, 2.4 air km north of Mt. Vida. 2258 Comment
  CAS-BOT-BC218245  Rosa gymnocarpa Bruce Bartholomew 1994-5-27 6706 Modoc Bowman Spring W side of the Whitehorse Mountains near the Siskyou County line. 1400 Comment
  UC12886  Rosa gymnocarpa Mrs. R. M. Austin and Bruce July 1898 2347 Modoc Ross Canyon Comment
  CAS-BOT-BC218255  Rosa woodsii var. ultramontana Belknap C. Goldsmith 1912-5-5 64 Modoc Near Big Valley (P.O. Beiber - 20 mi.). 1402 Comment
  JEPS46228  Rosa woodsii var. ultramontana F. H. Frost 1925-7-11 32 Modoc 2 mi above Cedarville; Cedar Canyon campsite Comment
  SD46575  Rosa woodsii var. ultramontana Robert J. Weatherby 1955-7-8 1627 Modoc 5 miles north of Ft. Bidwell, no. Warner Mts. 1783 Comment
  UC1191505  Rosa woodsii var. ultramontana Verne Grant and Irving Schneider 1947-7-18 8045 Modoc 5 mi n Bayley's Bridge (s of Alturas); Eastside Canal Comment
  UC12849  Rosa woodsii var. ultramontana Mrs. R. M. Austin and Bruce Jul 1898 2842 Modoc Comment
  UC12857  Rosa woodsii var. ultramontana Milo S. Baker 1893-6 Modoc Comment
  UC12894  Rosa woodsii var. ultramontana Milo S. Baker 1893-6-26 Modoc Comment
  CAS-BOT-BC211337  Rumex acetosella Bruce Bartholomew 1994-7-2 6775 Modoc N side of Joseph Creek, 5.6 km E of U.S. Hwy. 395 on Forest Service road 30. 1590 Comment
  HSC17594  Rumex crispus M. T. Milligan 1966-8-1 606 Modoc N end of Jess Valley 1616 Comment
  CAS-BOT-BC211302  Rumex lacustris Herbert Louis Mason; Verne Grant 1947-7-10 13336 Modoc Dorris Reservoir, 2 mi E of Alturas. Comment
  UC1735897  Rumex maritimus Dean W. Taylor 1989-8-6 10500 Modoc Warner Mountains, Suprise Valley, warm spring on west shore Lower Lake 1363 Comment
  CDA22911  Rumex maritimus G. D. Barbe 1985-8-29 4248 Modoc West of Westside Road, South Fork of Pit River south of Alturas. 0 Comment
  JEPS17728  Rumex maritimus Rimo Bacigalupi with G. T. Robbins 1955-7-20 5390 Modoc 4 mi s Cedarville (on w edge of Surprise Valley); Surprise Valley 1463 Comment
  UC1191272  Rumex maritimus Herbert L. Mason and Verne Grant 1947-7-11 13362 Modoc 5 mi s Alturas (on Highway 395) Comment
  UC465814  Rumex occidentalis W. P. Taylor and H. C. Bryant 1910-7-13 Modoc Head of North Fork Parker Creek Warner Mountains 2225 Comment
  CDA23185  Rumex occidentalis T. C. Fuller 1958-7-8 2031 Modoc 4 miles south of Pine Creek. 0 Comment
  UC1537645  Rumex occidentalis Gordon H. True Jr. 1939-7-7 1039 Modoc near Canby; Blacks Canyon Comment
  UC748314  Rumex paucifolius Annie M. Alexander and Louise Kellogg 1946-7-11 4977 Modoc mesa w Eight Mile Creek Comment
  CAS-BOT-BC211313  Rumex salicifolius Bruce Bartholomew; Barrett Anderson 1988-7-23 4593 Modoc Pine Creek, 4 km E of U.S Highway 395 on the road to Lily Lake, Warner Mts.. 1620 Comment
  UC1101221  Rumex salicifolius var. lacustris Herbert L. Mason 1947-8-9 13482 Modoc n of Alturas (e side of Fairchild Swamp); Fairchild Swamp Comment
  UC1101220  Rumex salicifolius var. lacustris Herbert L. Mason 1947-8-15 13556 Modoc e of Goose Lake (on Willow Ranch); Mouth of Crane Creek Comment
  JEPS121210  Rumex triangulivalvis Lowell Ahart, John Dittes 2013-7-24 18940 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
  CAS-BOT-BC95280  Sagina saginoides Francis Dorris Payne 1935-6-19 791 Modoc Parker Creek at mouth of Dry Creek. Comment
  CAS-BOT-BC245202  Sagittaria cuneata Elmer Ivan Applegate 1929-7-29 6094 Modoc Clear Lake Dam. Comment
  UCD138014  Sagittaria cuneata Robert F. Thorne; C. W. Tilforth 1969-9-4 39058 Modoc 2 miles west of Davis Creek (town), south of Goose Lake. 1432 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
  RSA603489  Salix Louis C. Wheeler 1935-8-13 3832 Modoc Warner Mountains: Barnes Creek. Mt. Diablo Mer. 2287 Comment
  SEINET10734771  Salix Andrew Townesmith, Karen M. Meyer 2007-9-15 Townesmith 930 Modoc Modoc National Forest, Warner Mountain Ranger District. Along state route 299, 10.9 miles west of junction with US route 395. At Cedar Pass. T43N R15E S28 SW 1/4. 1928 Comment
  UC482331  Salix boothii Frances D. Payne 1931-7-7 331 Modoc 33 km. se of Alturas; Warner Mts., Pine Creek Basin 2280 Comment
  CAS-BOT-BC225763  Salix eastwoodiae Francis Dorris Payne 1931-7-7 333 Modoc Pine Creek Basin, Warner Mts., about 33 km SE of Alturas. 2280 Comment
  POM218965  Salix eastwoodiae Frances D. Payne 1931-7-7 333 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
  CAS-BOT-BC225772  Salix exigua Alice Eastwood; John Thomas Howell 1940-6-13 8176 Modoc E side of Cedar Pass. Comment
  CAS-BOT-BC225781  Salix exigua H. P. Bracelin 1931-6-30 501 Modoc Alturas, in willow thicket SW end of town. 1360 Comment
  JEPS14860  Salix exigua Frances D. Payne 1931-6-10 139 Modoc Parker Creek Warner Mts. 1584 Comment
  SBBG58876  Salix exigua Mrs. H. P. Bracelin 1931-6-30 501 Modoc Alturas, SW end of town 1300 Comment
  SJSU249  Salix exigua Mrs. H. P. Bracelin & Miss F. D. Payne 1931-6-30 Modoc Parker Cr, 20 km E of Alturas, S of Payne Ranch 1524 Comment
  UC481816  Salix exigua Mrs. H. P. Bracelin 1931-6-30 501 Modoc sw end of town Alturas 1360 Comment
  RSA59859  Salix exigua E. K. Balls 1950-5-20 14793 Modoc South Fork Public Camp, South Fork Pit River, Likely to Clear Lake. 1433 Comment
  SD889  Salix exigua var. hindsiana Mrs. H. P. Bracelin 1931-6-30 501 Modoc Alturas, in a willow thicket at southwest end of town 1360 Comment
  CAS-BOT-BC229682  Salix lasiandra subsp. caudata Belknap C. Goldsmith 1911-5-21 24 Modoc East shore of Goose Lake. 1432 Comment
  CAS-BOT-BC229690  Salix lasiandra subsp. caudata E. K. Balls 1950-5-20 14794 Modoc South Fork public camp, South Fork of the Pit River, Likely to Clear Lake. 1432 Comment
  CAS-BOT-BC229692  Salix lasiandra subsp. caudata F. Angwin 1946-4-21 s.n. Modoc Stone Coal Canyon, 2 miles northeast of Adin. 1280 Comment
  UC481839  Salix lasiandra subsp. lasiandra Frances D. Payne 1931-6-10 135 Modoc Parker Creek Warner Mts., Parker Creek 1560 Comment
  JEPS14858  Salix lasiolepis Frances D. Payne 1931-6-10 137 Modoc Parker Creek Warner Mts., Parker Creek 1584 Comment
  CAS-BOT-BC229671  Salix lasiolepis var. lasiolepis F. Angwin 1945-10-27 Modoc Ash Creek, Adin. 1371 Comment
  POM229223  Salix lemmonii Louis C. Wheeler 1935-8-3 3760 Modoc Warner Mountains: Pine Creek. 1738 Comment
  UC433170  Salix lemmonii Milo S. Baker 1893-6-6 Modoc Big Valley Mts. Comment
  RSA152632  Salix ligulifolia I. L. Wiggins, Dorothy B. Wiggins 1961-6-12 16367 Modoc Pit River. Ca 3.9 miles N of Alturas. 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
  SBBG27359  Salix lucida subsp. lasiandra Mrs. H. P. Bracelin 1931-6-30 498 Modoc Parker Crk, 20 km E of Alturas, meadow S of Payne Ranch 1560 Comment
  CAS-BOT-BC229680  Salix lutea Belknap C. Goldsmith 1910-4-28 2 Modoc Alturas on Pitt River. Comment
  UC481796  Salix lutea Mrs. H. P. Bracelin and Miss Frances D. Payne 1931-6-30 499 Modoc 20 km. e. Alturas (meadow s. of Payne Ranch); Parker Creek 1560 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
  NY187999  Salix orestera F. D. Payne 1931-7-7 333 Modoc Pine Creek Basin, Warner Mountains, about 33 km SE of Alturas 2280 Comment
  CAS-BOT-BC229846  Salix prolixa Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16367 Modoc Along banks of Pit River, about 3.9 mi. N of Alturas. Comment
  CAS-BOT-BC229833  Salix scouleriana Francis Dorris Payne 1934-8-1 778 Modoc Pine Creek Basin, Warner Mts. 2316 Comment
  NY188195  Salix scouleriana L. C. Wheeler 1935-8-3 3759 Modoc Pine Creek, Warner Mts. 1737.4 Comment
  RSA0025571  Salix scouleriana John F. Emmel 1996-7-16 1442 Modoc Warner Mtns., west slope; Pine Creek Canyon, 3.4 road mi east of Hwy 395. 1634 Comment
  CAS-BOT-BC179251  Salvia aethiopis B. Bartholomew 1995-7-31 7078 Modoc Ca. 1.6 km N of turn off to Cedarville on U.S. Hwy 395. 1350 Comment
  CAS-BOT-BC497223  Salvia dorrii Margaret J. Williams 1988-5-30 88- 26 -10 Modoc Jess Valley, E of Likely, S of roadside rest. 1524 Comment
  CAS-BOT-BC179241  Salvia dorrii var. dorrii B. Bartholomew 1990-6-17 5324 Modoc E side of Surprise Valley, 9.6 km E of Eagleville at the Nevada border. 1580 Comment
  CAS-BOT-BC179248  Salvia dorrii var. dorrii B. Bartholomew 1995-6-2 6939 Modoc About 9 km E of Eagle on SE side of Surprize Valley. 1480 Comment
  CAS-BOT-BC184100  Salvia dorrii var. pilosa Clare B. Hardham 1961-6-17 7529 Modoc Between Alturas and Susanville 1524 Comment
  CAS-BOT-BC184102  Salvia dorrii var. pilosa Elmer I. Applegate 1935-6-8 9450 Modoc Lava Beds National Monument. Sconchin Butte Comment
  UC1953386  Salvia dorrii var. pilosa Tom Schweich 1996-6-29 61 Modoc Warner Mountains; East aide of South Warner Mountains, near the mouth of North Deep Creek Canyon, 3.6 km southwest of Cedarville, CA. 1500 Comment
  UC1037206  Sanguisorba annua Leo Whitney 1934-6-3 1560 Modoc dry streambed of Hackamore River ca 15 mi nw Canby (Hackamore); Modoc National Forest, bed of Hackamore River 1463 Comment
  RSA504644  Sanguisorba annua Bruce Bartholomew 1988-6-23 4240 Modoc 2.1 km SSE of Day on the road to State Highway 299. 1020 Comment
  NY1101598  Sanicula graveolens B. M. Bartholomew 1990-7-20 5532 Modoc 3.4 km northwest of Tamarack Flat, east side of Warner Mountains 2130 Comment
  RSA540077  Sanicula graveolens Bruce Bartholomew, Anderson 1989-6-2 4840 Modoc Vicinity of Stough Reservoir, Warner Mountains. 1950 Comment
  UCD98476  Saponaria officinalis Verne Grant; Irving Schneider 1947-8-24 8256 Modoc in pastuer at south end of Jess Valley in Warner Mountains. Comment
  RSA11894  Sarcobatus vermiculatus Elmer I. Applegate 1897-6-1 3035 Modoc Between Canby and Alturas Comment
  UC402445  Saxifraga oregana Franklin P. Nutting Modoc Forestdale Comment
  UC1100766  Schoenoplectus acutus var. acutus Herbert L. Mason 1947-8-11 13489 Modoc on Highway 81 w margin Lower Lake (near boundary between Lassen and Modoc counties); w Margin Lower Lake Comment
  CAS-BOT-BC245131  Schoenoplectus acutus var. occidentalis Alice Eastwood; John Thomas Howell 1940-6-12 8032 Modoc Likely. Comment
  RSA210790  Schoenoplectus pungens Robert F. Thorne, James Henrickson, C. W. Tilforth 1969-9-4 39072 Modoc South end of Goose Lake 1433 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
  JEPS119848  Scirpus microcarpus Lowell Ahart, John Dittes 2012-7-12 18365 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
  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
  RSA531332  Scirpus microcarpus Bruce Bartholomew, B. Anderson 1990-7-19 5425 Modoc Top of Hunters Ridge south of Rush Creek. 1960 Comment
  UC1100805  Scirpus pungens Herbert L. Mason 1948-9-4 13665 Modoc Rush Creek Mono Lake; , Mono Lake Comment
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Jun 2 2015
  CAS-BOT-BC197838  Scrophularia lanceolata Fred. P. Cronemiller 1920-6-20 29 Modoc Fillingim's. 1371 Comment
  UC748465  Scrophularia lanceolata Annie M. Alexander and Louise Kellogg 1946-7-5 4806 Modoc lava cliff w Lower Lake Comment
  CAS-BOT-BC179235  Scutellaria antirrhinoides Belknap C. Goldsmith 1912-7-1 60 Modoc Little Hot Spring Valley. 1219 Comment
  CAS-BOT-BC179221  Scutellaria nana L. A. M. Black 1893-1-1 82 Modoc Joseph Creek. Comment
  JEPS62884  Scutellaria nana Milo S. Baker 1893-6 Modoc near Forestdale Comment
  RSA0069319  Scutellaria nana Dean Wm. Taylor 2014-6-10 21484 Modoc Vicinity Mud Lake; County Road 91 (Lookout to Tule Lake) at the junction with Modoc National Forest Road 42N56. 1432 Comment
  UC11266  Sedum lanceolatum Mrs. C. C. Bruce 1890-1 2324 Modoc 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-BC95621  Sedum stenopetalum subsp. stenopetalum Roxana Stinchfield Ferris; R. Duthie 1919-6-17 94 Modoc Rocky slopes above Parker Creek, Modoc Nat. Forest, Warner Mts. 2133 Comment
  CAS-BOT-BC498757  Senecio L. S. Smith 1924-6-8 1381 Modoc Modoc Forest. South side, Egg Lake and elsewhere Comment
  CAS-BOT-BC50340  Senecio aronicoides Bruce Bartholomew; Barrett Anderson 1989-6-1 4766 Modoc South Fork Davis Creek in the vicinity of the Plum Valley camp ground. 1720 Comment
  UC75814  Senecio aronicoides Milo S. Baker 1893-1 Modoc Forestdale Comment
  RSA0012427  Senecio aronicoides Bruce Bartholomew, B. Anderson 1988-6-24 4364 Modoc Vicinity of Patterson Campground, southern end of the Warner Mountains. 2190 Comment
  UC36169  Senecio aronicoides Milo S. Baker 1893-6 Modoc Pinewoods Comment
  CAS-BOT-BC50283  Senecio hydrophiloides P. Monnet 1913-7-1 900 Modoc Warner Range. 2133 Comment
  CHSC70717  Senecio hydrophiloides A. Sanger 1997-6-11 2511 Modoc Meadow on east side of road 44N69. 1981 Comment
  UC36177  Senecio hydrophiloides Milo S. Baker 1893-6-25 Modoc Comment
  JEPS117384  Senecio hydrophilus Lowell Ahart, John Dittes 2010-8-31 17104 Modoc About 40 yards west of Elkins Lane, about 150 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 1274 Comment
  CAS-BOT-BC50251  Senecio integerrimus var. exaltatus C. L. Hitchcock 1940-5-27 6711 Modoc 15 mi. NE of Alturas. 1615 Comment
  JEPS29207  Senecio integerrimus var. exaltatus Lauramay T. Dempster 1961-6-18 1688 Modoc peak just s Cedar Pass Comment
  JEPS5946  Senecio integerrimus var. exaltatus Frances D. Payne 1931-6-22 235 Modoc s and e Alturas (n tributary of Dry Creek); Warner Mountains, Parker Creek, Dry Creek 1828 Comment
  UC71606  Senecio triangularis Mrs. M. H. Manning 1893-2 299 Modoc Mill Canyon Mill Canyon (north-eastern Modoc County) Comment
  CAS-BOT-BC95636  Shepherdia argentea Isabelo T. Kelly 1930-1-1 2 Modoc Near Cedarville, Surprise Valley. Comment
  CAS-BOT-BC225039  Sibbaldia procumbens Annie Montague Alexander; L. Kellogg 1946-6-14 5069 Modoc Horse Mountain, Warner Mts. Comment
  UC748066  Sibbaldia procumbens Annie M. Alexander and Louise Kellogg 1946-7-14 5069 Modoc Horse Mountain; Warner Mountains Comment
  RSA95254  Sidalcea glaucescens F. W. Peirson 6867 Modoc West slope of Warner Mts. on Cedarville Rd Comment
  HSC16023  Sidalcea oregana M. T. Milligan 1966-7-5 553 Modoc Slopes and ridges E of Jess Valley 1768 Comment
  HSC16024  Sidalcea oregana M. T. Milligan 1966-7-3 525 Modoc Slopes and ridges E of Jess Valley 1829 Comment
  CAS-BOT-BC179062  Sidalcea oregana subsp. oregana Roxana Stinchfield Ferris; R. Duthie 1919-6-15 154 Modoc Parker Creek. Comment
  CAS-BOT-BC179087  Sidalcea oregana subsp. oregana Bruce Bartholomew 1991-6-20 5770 Modoc Just N of Lassen County line on county road 90. 1220 Comment
  RSA101358  Sidalcea oregana subsp. oregana R. Weatherby 1955-7-8 1625 Modoc 6 miles N of Ft. Bidwell, Northern Warner Mts. 1738 Comment
  CDA36501  Sidalcea oregana subsp. oregana T. C. Fuller 1958-7-8 s.n. Modoc 5 miles south of Davis Creek. 0 Comment
  CAS-BOT-BC179053  Sidalcea oregana subsp. spicata Leland S. Smith 1920-7-13 1188 Modoc Crowder Flat. 1371 Comment
  CAS-BOT-BC191150  Sidalcea oregana subsp. spicata Leland S. Smith 1922-7-23 1264 Modoc Crowder Flat Ranger Station pasture. 1463 Comment
  UC705688  Silene douglasii Marion Ownbey, Fred G. Meyer 1940-7-1 2154 Modoc Cedar Peak Warner Mts., Cedar Peak Comment
  CAS-BOT-BC95246  Silene douglasii var. douglasii Bruce Bartholomew 1991-8-5 6031 Modoc Summit Trail between Pepperdine and Squaw Peak, W side of Warner Mts. 2190 Comment
  CHSC69258  Silene douglasii var. douglasii Marion Ownbey; Fred G. Meyer 1940-7-1 2154 Modoc Cedar Peak, Warner Mts. Comment
  RSA65696  Silene douglasii var. douglasii F. W. Peirson 1926-6-25 6898 Modoc Small side canyon 1 mile east of summit of Warner Mountains on Cedarville Road. Comment
  HSC81215  Silene douglasii var. douglasii G. M. Riegel 1979-7-21 587 Modoc South Warner Mountains 1670 Comment
  CAS-BOT-BC95262  Silene lemmonii Bruce Bartholomew; Barrett Anderson 1990-7-19 5421 Modoc Top of Hunters Ridge S of Rush Creek. 1960 Comment
  UC465655  Silene lemmonii Franklin P. Nutting Modoc near Forestdale; near Forestdale Comment
  CAS-BOT-BC95264  Silene menziesii Annie Montague Alexander; L. Kellogg 1946-7-7 4947 Modoc Eight Mile Creek, NE corner of county. 1752 Comment
  CAS-BOT-BC95265  Silene menziesii John Thomas Howell 1934-6-12 12027 Modoc Plum Valley, Warner Mts. Comment
  CAS-BOT-BC95267  Silene menziesii E. S. Willits 1940-6-9 331 Modoc Fandango Pass. Comment
  CAS-BOT-BC95273  Silene oregana Annie Montague Alexander; L. Kellogg 1946-8-9 5139 Modoc Patterson Lake Trail, Warner Mts. Comment
  CHSC114920  Sisymbrium altissimum D. B. Joley 1976-6-23 1 Modoc Likely, near Alturas. 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
  JEPS942  Sium suave W. L. Jepson 1918-8-5 7824 Modoc South Fork Pitt River, South Fork Valley South Fork Pitt River; , South Fork Valley 1371 Comment
  JEPS62125  Smilacina racemosa Frances D. Payne 1929-6-24 23 Modoc above Fitzhugh Springs; Warner Mts., Pine Creek Comment
  UC71734  Smilacina racemosa Mrs. M. H. Manning Aug 22 1903-Jul 9 1904 135 Modoc Cottonwood Pass; ne Modoc Co. Comment
  JEPS62146  Smilacina stellata Mary H. Manning 1912-1 Modoc Ft. Bidwell Comment
  JEPS117295  Solanum dulcamara Lowell Ahart, John Dittes 2010-8-31 17095 Modoc On the south sdie of Ash Creek, about 10 yards west of the bridge, on the west side of Elkins Lane, Ash Creek State Wildlife Area, 4215 feet north of Lassen County Line, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Va 1267 Comment
  NY820315  Solanum triflorum L. C. Wheeler 1935-9-22 3995 Modoc Pit River at Rattlesnake Butte, Warm Springs Valley 1341 Comment
  CAS-BOT-BC245434  Solanum umbelliferum Bruce Bartholomew 1993-6-12 6582 Modoc Road to Day Rock from Little Hot Spring Valley. 1250 Comment
  HSC6189  Solidago elongata M. T. Milligan 1966-7-27 594 Modoc Slopes and ridges E of Jess Valley 1707 Comment
  HSC81114  Solidago elongata G. M. Riegel 1979-9-5 746 Modoc South Warner Mtns. 1670 Comment
  UC1999882  Solidago elongata J. C. Semple, B. A. Suripto, T. Ahmed 1990-8-11 9296 Modoc NE of Alturas, flood plain of N. Fork Railroad by US-395, approx. 2 km S of Joseph Creek Rd. Comment
  JEPS114432  Solidago velutina subsp. californica Lowell Ahart, John Dittes 2008-8-26 15343 Modoc On the banks of Rose Creek, 250 feet southwest of the confluence of Rose Creek and Pit River, on the northwest side of unnamed road, 3,160 feet east of intersection with County Road 85a, 9.3 miles (air) north-northeast of Lookout 1276 Comment
  UC71565  Solidago velutina subsp. californica Mrs. M. H. Manning 1903-6 246 Modoc near Fort Bidwell (north-eastern Modoc County) Comment
  CAS-BOT-BC158918  Sorbus scopulina A. D. Borden 1911-8-1 s.n. Modoc Along high run on south slope of south fork of Parker Creek, Modoc Forest. Comment
  JEPS44992  Sorbus scopulina W. L. Jepson 1918-8-7 7900 Modoc n fork Bidwell Creek; Warren Mts 1828 Comment
  JEPS119852  Sparganium emersum Lowell Ahart, John Dittes 2012-7-10 18326 Modoc Ash Creek State Wildlife Area, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley. Comment
  UC1099919  Sparganium emersum var. emersum Verne Grant and Irving Schneider 1947-7-18 8057 Modoc s of Alturas (s loop of e-side road in Pit River Valley); Pit River Valley Comment
  UC1099804  Sparganium erectum subsp. stoloniferum Herbert L. Mason and Verne Grant 1947-7-11 13361 Modoc 5 mi s Alturas (irrigation ditch on Highway 395) Comment
  SJSU9648  Sphaeromeria potentilloides W. Savage 1979-7-10 1519 Modoc Bowles Meadow, Devils Garden District, Modoc National Forest 1493 Comment
  CAS-BOT-BC15681  Sphenosciadium capitellatum Elmer Ivan Applegate 1932-8-7 8231 Modoc Lily Lake. Comment
  HSC80788  Sphenosciadium capitellatum G. M. Riegel 1980-8-13 1047 Modoc South Warner Mountains 2100 Comment
  UC466743  Spiraea douglasii Franklin P. Nutting Modoc near Lookout (Big Valley); Big Valley Comment
  UC1191922  Stachys palustris subsp. pilosa Verne Grant, Irving Schneider 1947-7-22 8146 Modoc about 1 mi n Surprise station (on Highway 395); North Fork of Pit River Comment
  CAS-BOT-BC179214  Stachys pilosa M. Vasey 1990-6-30 9032 Modoc Near Lava Camp (end of road), Egg Lake. 1300 Comment
  CHSC111096  Stachys rigida var. rigida Lowell Ahart; John Dittes 2012-7-12 18362 Modoc North edge of Ash Creek, south of the gravel pit, about 1/8 mile east of the parking area on the east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  JEPS51096  Stellaria calycantha Frances D. Payne 1935-7-19 786 Modoc s and e of Alturas (Mouth of Dry Creek, tributary of Parker Creek); Warner Mountains, Parker Creek, Mouth of Dry Creek Comment
  CAS-BOT-BC248363  Stenotus acaulis B. Bartholomew; H. Sun 2002-6-24 8846 Modoc E of Bald Mt., on the E side of the Warner Mountains 2170 Comment
  CAS-BOT-BC54264  Stenotus stenophyllus Bruce Bartholomew; Barrett Anderson 1988-5-14 4190 Modoc 7 km S of turn off to Crowder Flats along West Side Road, W side of Goose Lake. 1410 Comment
  CAS-BOT-BC54265  Stephanomeria spinosa Annie Montague Alexander; L. Kellogg 1946-7-5 4910 Modoc Lava Cliff west Lower Lake. Comment
  HSC81113  Stephanomeria tenuifolia G. M. Riegel 1978-8-22 119 Modoc South Warner Mtns. 1670 Comment
  CAS-BOT-BC95050  Streptanthella longirostris Bruce Bartholomew 1993-6-13 6641 Modoc Consolidated sand dunes just W of Leonard Hot Spring, E side of Surprise Valley. 1410 Comment
  JEPS27101  Streptanthus cordatus L. S. Smith 1918-6-22 965 Modoc Lily Lake Modoc <National> Forest, Pine Creek 1981 Comment
  CAS-BOT-BC95068  Streptanthus cordatus var. cordatus Elmer Ivan Applegate 1932-8-1 8016 Modoc Rocky crest of Warner Mts just S of Warren Peak. Comment
  CAS-BOT-BC95069  Streptanthus cordatus var. cordatus Francis Marion Ownbey; Frederick Gustav Meyer 1940-7-1 2135 Modoc Cedar Pass, Warner Mts. Comment
  CAS-BOT-BC95071  Streptanthus cordatus var. cordatus Annie Montague Alexander; L. Kellogg 1946-6-22 4815 Modoc Bidwell Creek, 2 mi. above Fort Bidwell. Comment
  POM313008  Stuckenia pectinata Verne Grant, Irving Schneider 1947-7-19 8085 Modoc Irrigation ditch south of Williams ranch house, north of Likely. Comment
  CAS-BOT-BC95576  Suaeda calceoliformis Bruce Bartholomew; Barrett Anderson 1990-7-20 5451 Modoc Margin of Goose Lake at S end of the causeway to McGinty Point. 1440 Comment
  NY540342  Suaeda calceoliformis B. M. Bartholomew 1990-7-21 5560 Modoc West edge of Middle Alkali Lake, directly east of Cedarville, Surprise Valley 1370 Comment
  CAS-BOT-BC180100  Swertia albicaulis var. albicaulis James Vale; et al 1981-5-23 4129 Modoc 2 mi. W of Lookout. Comment
  CAS-BOT-BC180102  Swertia albicaulis var. albicaulis John Thomas Howell 1934-6-12 11990 Modoc 9 mi. S of Davis Creek. Comment
  JEPS46351  Swertia albicaulis var. albicaulis L. S. Smith 1920-6-11 1165 Modoc Badger Spring Warner Mts., Happy Camp District Comment
  HSC8428  Swertia radiata M. T. Milligan 1967-7-8 661 Modoc W slope of Eagle Peak 2439 Comment
  UC615249  Swertia radiata Beryl O. Schreiber 1934-6-10 1177 Modoc Lost Lake Warner Mountains Comment
  CAS-BOT-BC95183  Symphoricarpos rotundifolius var. rotundifolius A. D. Borden 1911-8-9 Modoc Mall place S side of Shields Creek. Comment
  JEPS22082  Symphyotrichum bracteolatum W. L. Jepson 1918-8-12 7950 Modoc Jess Valley 1584 Comment
  UC71842  Symphyotrichum bracteolatum Mrs. M. H. Manning 1903-8-1 271 Modoc near, (ne Modoc County) Ft. Bidwell Comment
  CAS-BOT-BC15220  Symphyotrichum eatonii Leland S. Smith 1919-8-18 1134 Modoc Ash Valley. 1463 Comment
  UC71698  Symphyotrichum foliaceum Mrs. M. H. Manning 1903-8-25 272 Modoc Mt. Bidwell, ne Modoc Co Mt. Bidwell Comment
  HSC81036  Symphyotrichum foliaceum var. apricum G. M. Riegel 1979-9-8 757 Modoc South Warner Mtns. 2100 Comment
  CHSC115695  Symphyotrichum foliaceum var. parryi L. P. Janeway 2015-8-11 11834 Modoc Warner Mountains. East side of Squaw Peak a little above Squaw Peak Trail. 2483 Comment
  UC1192074  Symphyotrichum frondosum Herbert L. Mason 1947-8-8 13460 Modoc southwest margin of Big Sage Reservoir, nw of Alturas Comment
  UC1192080  Symphyotrichum frondosum Herbert L. Mason 1947-8-11 13487 Modoc Kelley Hot Springs, on Alturas-Conby highway Comment
  UCD136505  Symphyotrichum frondosum Robert F. Thorne; J. Henrickson, C. W. Tilforth 1969-9-4 39073 Modoc east shore of Goose Lake at Willow Ranch. 1432 Comment
  UC711869  Symphyotrichum spathulatum Roxana S. Ferris and Laura Lorraine 1941-8-13 10571 Modoc 1 mi e Patterson Ranger Station; Modoc National Forest, Warner Mountains Comment
  UC748362  Symphyotrichum spathulatum Annie M. Alexander and Louise Kellogg 1946-7-17 5010 Modoc Benton Meadow Warner Mountains 2072 Comment
  JEPS5931  Symphyotrichum spathulatum Frances D. Payne 1931-7-18 339 Modoc s and e of, (Parker Creek) Alturas; Warner Mountains, Parker Creek 1584 Comment
  CAS-BOT-BC15168  Symphyotrichum spathulatum var. spathulatum L. S. Smith 1919-8-18 1134 Modoc Ash Valley, Modoc National Forest 1463 Comment
  CAS-BOT-BC15171  Symphyotrichum spathulatum var. spathulatum Herbert Louis Mason 1947-8-9 13480 Modoc East side of Fairchild Swamp, N of Alturas. Comment
  CAS-BOT-BC232353  Synthyris missurica Bruce Bartholomew; Barrett Anderson 1990-7-20 5494 Modoc 10.3 km N of Buck Creek Ranger Station, crest of Warner Mountains W side of Warner Mts. 2130 Comment
  CAS-BOT-BC232362  Synthyris missurica Bruce Bartholomew; Barrett Anderson 1988-6-24 4306 Modoc Road beyond Poison Lake ca. 8 km S of the road from U.S. Highway 395 to Lily Lake, Warner Mts.. 2130 Comment
  JEPS29109  Synthyris missurica Lauramay T. Dempster 1961-6-18 1684 Modoc Peak just s of Cedar Pass Comment
  JEPS9933  Synthyris missurica L. S. Smith 1917-7-1 Modoc n slope Mt. Warren 2590 Comment
  RSA166254  Synthyris missurica H. Dearing, M. Dearing 1939-6-8 s.n. Modoc Lily Lake, Warner Mountains. 2134 Comment
  UC887553  Synthyris missurica C. L. Hitchcock 1940-5-27 6716 Modoc 15 mi ne Alturas 1981 Comment
  CAS-BOT-BC252541  Taeniatherum caput-medusae Bruce Bartholomew; Barrett Anderson 1988-6-23 4220 Modoc 2.1 km SSE of Day on the road to State Highway 299. 1020 Comment
  UCD32680  Taeniatherum caput-medusae Beecher Crampton 1954-7-6 2089 Modoc Modoc County, Porter Ranch, 8 miles east of Alturas, on Road 56. 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
  HSC6262  Taraxacum officinale M. T. Milligan 1966-7-3 531 Modoc E of Jess Valley 1982 Comment
  UC1075746  Taraxacum officinale Robert J. Weatherby 1955-7-7 1599 Modoc Dismal Swamp, n Warner Mts. Warner Mts. 2240 Comment
  UC615051  Taraxia subacaulis Beryl O. Schreiber 1934-6-10 1164 Modoc Lost Lake Warner Mountains 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
  UC1562576  Taraxia tanacetifolia Barbara Ertter 1988-6-18 7606 Modoc w side Hwy 139 just s where it crosses railroad at jct to Clear Lake (ne of Dry Lake e of Lava Beds Nat'l Monument) 1249 Comment
  UCD107059  Taraxia tanacetifolia P. Quentin Tomich 1954-7-13 439 Modoc Tionesta. Comment
  JEPS31731  Taraxia tanacetifolia L. S. Smith 1918-5-16 926 Modoc w of Alturas (Centerville Road); Modoc Forest 1524 Comment
  UC1035975  Taraxia tanacetifolia Helen K. Sharsmith 1955-6-26 4508 B Modoc adjacent to Hwy 39 ca 20 mi n Canby; Modoc National Forest 1524 Comment
  CAS-BOT-BC54236  Tetradymia canescens Roxana Stinchfield Ferris; L. Lorraine 1941-8-14 10599 Modoc 5.5 mi. from Patterson Ranger Station on Eagleville Rd. Comment
  JEPS20876  Tetradymia canescens W. L. Jepson 1918-8-12 7948 Modoc Jess Valley 1584 Comment
  UCD136818  Tetradymia canescens J. M. Tucker 1950-7-25 1970 Modoc Beside highway 139, 26.4 miles southeast of Tule Lake. Comment
  RSA520340  Tetradymia glabrata Bruce Bartholomew, B. Anderson 1989-6-2 4827 Modoc 9.7 km E of Eagleville at the California state border. E side of Surprise Valley. 1550 Comment
  NY496039  Thalictrum fendleri K. Paulson 1989-6-21 146 Modoc Pine Creek Basin, west side of the Warner Mountains 2109.2 Comment
  UC748471  Thalictrum fendleri Annie M. Alexander and Louise Kellogg 1946-7-2 4895 Modoc Dismal Swamp north end of Warner Mountains 2255 Comment
  RSA399560  Thalictrum fendleri George Willet 1935-6-21 s.n. Modoc Warner Mtns. 2287 Comment
  POM100476  Thalictrum polycarpum R. M. Austin 1895-07 552 Modoc Willow Creek (Devils Garden) Comment
Read comments
Jul 11 2010
  SEINET248027  Thelypodium flexuosum Unknown 1998-5-30 12997 Modoc Surprise Valley, Modoc Country Road 299, 6.9 km (4.3 mi) east of downtown Cedarville, at a turnoff to some hotsprings. 1370 Comment
  UC10958  Thelypodium howellii M. S. Baker and Frank Nutting 1893-7-6 Modoc Comment
  SEINET4853764  Thermopsis argentata Milo S. Baker 1894-8-14 s.n. Modoc Big Valley Mountains. 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
  RSA520432  Thermopsis californica var. argentata Bruce Bartholomew, B. Anderson 1990-4-26 5160 Modoc 1.1km NW of Day. 1080 Comment
  HSC6977  Thlaspi arvense M. T. Milligan 1966-4-18 448 Modoc N end Jess Valley 1616 Comment
  UCD115577  Thlaspi arvense W. S. Ball 1937-6-28 s.n. Modoc Modoc County. Comment
  CAS-BOT-BC54246  Tragopogon dubius Bruce Bartholomew 1990-6-18 5366 Modoc S side of Goose Lake, ca. 5 km SSE of McGinty Point. 1400 Comment
  CHSC106208  Tribulus terrestris Lowell Ahart; John Dittes 2010-8-31 17132 Modoc West side of Elkins Lane, about 10 yards south of the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  CHSC106336  Tribulus terrestris Lowell Ahart; John Dittes 2010-8-30 17081 Modoc Parking Area west of the old barn, on the west side of Elkins Lane, Ash Creek State Wildlife area, 320 feet north of Lassen County Line, about 4.4 miles (air) west of Adin, about 7.2 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  JEPS117467  Tribulus terrestris Lowell Ahart, John Dittes 2010-8-31 17132 Modoc West side of Elkins Lane, about 10 yards south of the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley 1267 Comment
  NY643415  Tribulus terrestris B. M. Bartholomew 1989-8-10 5037 Modoc Little Hot Spring Valley, 3.2 km NW of Day. 1070 Comment
  CHSC99950  Trichostema oblongum Lowell Ahart; John Dittes 2008-8-26 15346 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
  SEINET4208345  Trichostema simulatum Richard R. Halse 2012-8-30 8710 Modoc At the junction of State Hwy. 139 and the Lookout-Hackamore Road (N.F. Road 46 road to Bieber); ca. 16 miles northwest of Canby.; 0 1418 Comment
  CAS-BOT-BC181779  Trifolium cyathiferum Bruce Bartholomew 1994-7-1 6760 Modoc 11.9 km NW of State Hwy. 299 on road to Dutch Flat. 1400 Comment
  SJSU7975  Trifolium cyathiferum H. L. Buckalew 1961-6-27 Modoc near Stowe Reservoir c. 2 mi N of Cedar Pass on Alturas-Cedarville Rd, Warner Mts 1950 Comment
  UCD107919  Trifolium eriocephalum var. harneyense Collector Unknown 1949-6-1 s.n. Modoc Eagleville, D. L. Grove Ranch. Comment
  JEPS33195  Trifolium gymnocarpon var. plummerae L. S. Smith 1917-1 1156 Modoc Mt. Bidwell, E of Cattle Pass 1920 Comment
  CAS-BOT-BC181746  Trifolium longipes Robert J. Weatherby 1955-7-7 1604 Modoc Dismal Swamp. 2240 Comment
  CAS-BOT-BC181749  Trifolium longipes Bruce Bartholomew 1991-7-4 5901 Modoc Roney Flat. 1460 Comment
  HSC81088  Trifolium longipes G. M. Riegel 1980-7-14 874 Modoc South Warner Mtn. 2100 Comment
  SBBG3830  Trifolium longipes H. and M. Dearing 1939-6-9 3614 Modoc above Cedarville 2133 Comment
  JEPS126545  Trifolium longipes subsp. hansenii Lowell Ahart, John Dittes 2016-6-6 20957 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. Comment
  CAS-BOT-BC181733  Trifolium macrocephalum F. Angwin 1946-5-3 Modoc Big Valley. 1280 Comment
  HSC27357  Trifolium macrocephalum D. H. Norris, T. Nelson, S. Dowty 1971-6-23 19414 Modoc Along Hager Basin Rd. near Big Sage Reservoir. Comment
  NY717379  Trifolium macrocephalum B. M. Bartholomew 1988-5-14 4191 Modoc 7 km south of turnoff to Crowder Flats along West Side Road, west side of Goose Lake 1410 Comment
  SJSU7631  Trifolium macrocephalum H. L. Buckalew 1961-6-23 Modoc near Stowe Reservoir c. 2 mi N of Cedar Pass on Alturas-Cedarville Rd, Warner Mts Comment
  CAS-BOT-BC181726  Trifolium macrocephalum Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-14 16476 Modoc N of Davis Creek at junction of Sugar Hill Lookout road and one to Ft. Bidwell. Comment
  HSC15220  Trifolium macrocephalum R. T. Haase 1965-4-24 50 Modoc 15 mi. S of Canby on Hwy. 299 Comment
  SEINET10487918  Trifolium macrocephalum LeRoy E. Detling 1948-5-24 Detling 6258 Modoc N fk pit river, sec 17, t43n, r14e, sagebrush, juniper, artemisia tridentata, Level plateau, wet scabland in full sun. 1463 Comment
  CAS-BOT-BC181756  Trifolium productum Roxana Stinchfield Ferris; L. Lorraine 1941-8-14 10579 Modoc Three miles from Patterson Ranger Station on road to Eagleville. Warner Mountains. Modoc National Forest Comment
  CAS-BOT-BC181759  Trifolium productum Bruce Bartholomew 1991-5-24 5732 Modoc Near N side of Big Mud Lake at the Nevada State boundary. 1680 Comment
  HSC100119  Trifolium repens M. T. Milligan 1966-6-14 457 Modoc N end of Jess Valley 1616 Comment
  HSC15187  Trifolium wormskioldii M. T. Milligan 1965-6-23 309 Modoc N end of Jess Valley 1616 Comment
  RSA233737  Trifolium wormskioldii Robert F. Thorne, C. W. Tilforth 1969-9-5 39169 Modoc Modoc National Forest, Warner Mountains, Clear Lake. 1768 Comment
  UC555376  Trifolium wormskioldii F. H. Frost 1925-7-12 8 Modoc 2 mi above Cedarville (Cedar Canyon); Warner Mtns Comment
  JEPS66101  Trifolium wormskioldii Frances D. Payne 1931-6-17 170 Modoc se Alturas (Parker Creek); Warner Mtns 1584 Comment
  UCD138169  Triglochin concinna var. debilis Herbert L. Mason; Verne Grant 1947-7-12 13436 Modoc Corporation Ranch Headquarters, north of Likely. Comment
  UC1099957  Triglochin maritima Herbert L. Mason, Verne Grant 1947-7-12 13438 Modoc n Likely (Corporation Ranch Headquarters); , n of Likely Comment
  CAS-BOT-BC252535  Trisetum spicatum Leland S. Smith 1918-7-14 994 Modoc Mill Creek, Eagle Peak. 2133 Comment
  UCR34681  Trisetum spicatum J. A. Harpel 1981-8-6 V 31 Modoc Warner Mtns, South Warner Wilderness Area: E end of Patterson Lake, 7 mi NW of Eagleville 2744 Comment
  CAS-BOT-BC242161  Triteleia hyacinthina Bruce Bartholomew; Barrett Anderson 1988-7-21 4427 Modoc S end of Whitehorse Flat Reservoir. 1340 Comment
  UC421811  Triteleia hyacinthina M. F. Gilman 613 Modoc 1676 Comment
  HSC13438  Triticum aestivum M. T. Milligan 1964-7-20 161 Modoc N end of Jess Valley, near Mill Creek. 1677 Comment
  CAS-BOT-BC58295  Turritis glabra Bruce Bartholomew; Barrett Anderson 1990-7-20 5466 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-BC58562  Turritis glabra Bruce Bartholomew; Barrett Anderson 1990-7-20 5466 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-BC58564  Turritis glabra Bruce Bartholomew 1989-7-14 4947 Modoc ca. 8 km NE of Egg Lake and 2.5 km E of Survice Gulch. 1340 Comment
  UC1241778  Typha latifolia Verne Grant and Irving Schneider 1947-7-20 8101 Modoc North Fork of Pitt River by Dorris Bridge near Alturas; North Fork of Pitt River Comment
  RSA523577  Utricularia vulgaris subsp. macrorhiza W. L. Jepson 1918-8-11 7935 Modoc Alturas. Comment
  CAS-BOT-BC95304  Vaccaria hispanica Annie Montague Alexander; L. Kellogg 1946-6-15 4783 Modoc Deep Creek. 1463 Comment
  CAS-BOT-BC95305  Vaccaria hispanica Belknap C. Goldsmith 1912-8-23 67 Modoc Near Alturas. 1341 Comment
  UCD169490  Vaccaria hispanica Louis C. Wheeler 1935-8-6 3800 Modoc 1/2 mile south of Pine Creek (town). 1493 Comment
  CAS-BOT-BC95707  Vaccinium membranaceum Leland S. Smith 1917-9-16 158 Modoc Lassen Creek (near head). 2042 Comment
  JEPS58718  Vaccinium membranaceum Leland S. Smith ca. 1918 907 Modoc Lassen Creek 2133 Comment
  HSC21703  Valeriana californica M. T. Milligan 1965-7-10 432 Modoc W slope of Eagle Peak. 2439 Comment
  SBBG7421  Valeriana californica H. and M. Dearing 1939-6-8 3594 Modoc Pine Cyn, Warner Mtns Comment
  HSC100178  Ventenata dubia J. P. Smith 2011-8-7 13360 Modoc Along Hwy. 299 E of Canby. 1363 Comment
  CDA39370  Veratrum californicum T. C. Fuller 1958-7-8 2025 Modoc Davis Creek. 0 Comment
  UC71761  Veratrum californicum var. californicum Mrs. M. H. Manning Jul 1903 194 Modoc Mt. Bidwell Mt. Bidwell (ne Modoc County) Comment
  CAS-BOT-BC242193  Veratrum californicum var. californicum P. Monnet 1913-7-7 848 Modoc Warner's Range. 2286 Comment
  CAS-BOT-BC245481  Verbascum thapsus Bruce Bartholomew 1995-8-1 7132 Modoc 4.7 km N of turn off to Cedarvill on U.S. Hwy 395. 1380 Comment
  CAS-BOT-BC245472  Veronica americana Francis Dorris Payne 1931-6-17 162 Modoc Parker Creek. 1584 Comment
  RSA252395  Veronica americana Robert F. Thorne, C. W. Tilforth 1969-9-5 39163 Modoc Modoc National Forest, Warner Mountains, Clear Lake. 1768 Comment
  HSC65386  Veronica anagallis-aquatica Thomas Wood 1979-8-8 218 Modoc About 1.2 mi. S and then shortly W of Ft. Bidwell, along Hwy. 1 1372 Comment
  CAS-BOT-BC245452  Veronica peregrina subsp. xalapensis Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-13 16453 Modoc Southern outskirts of Fort Bidwell. Comment
  CHSC107379  Veronica peregrina subsp. xalapensis Lowell Ahart; John Dittes 2011-6-22 17539 Modoc On the west side of the road, about 50 yards north of the Pilot Butte Parking Lot, north edge of Ash Creek Floodplain, 1.1 miles (air) south of County Road 87, 7.7 miles (air) west of Aden, 10 miles (air) east of Lookout, Big Valley. 1264 Comment
  JEPS118248  Veronica peregrina subsp. xalapensis Lowell Ahart, John Dittes 2011-6-22 17539 Modoc On the west side of the road, about 50 yards north of the Pilot Butte Parking Lot, north edge of Ash Creek Floodplain, 1.1 miles (air) south of County Road 87, 7.7 miles (air) west of Aden [Adin], 10 miles (air) east of Lookout, Big Valley 1264 Comment
  UC1192003  Veronica peregrina subsp. xalapensis Verne Grant, Irving Schneider 1947-7-18 8084 Modoc 5 mi n of Bayley's Bridge (s of Alturas, Eastside Canal); Eastside Canal Comment
  UC748150  Veronica peregrina subsp. xalapensis Annie M. Alexander and Louise Kellogg 1946-6-14 4757 Modoc Silver Creek branch of Patterson Mill Road Silver Creek 1828 Comment
  CAS-BOT-BC245450  Veronica persica Bruce Bartholomew 1991-6-20 5790 Modoc Fox Mountain Spring, ca. 10 km NW of Adin. 1620 Comment
  JEPS22878  Veronica serpyllifolia subsp. humifusa Rimo Bacigalupi with J. R. Sweeney, J. Weiler and their class from Sagehen 1959-7-19 7324 Modoc beside Dismal Creek (in Dismal Swamp, near summit of roas, (1 1/2 mi n of) over Warner Mountains, between Fort Bidwell and Pine Creek, very close to Oregon border); Dismal Swamp Comment
  JEPS85622  Veronica serpyllifolia subsp. humifusa Frances D. Payne 1931-6-25 128 Modoc Pine Creek Basin, western slope of the Warner Mountains Pine Creek Basin; Warner Mountains, Pine Creek Basin 2133 Comment
  CAS-BOT-BC245440  Veronica wormskjoldii Bruce Bartholomew; Barrett Anderson 1988-7-23 4573 Modoc Dismal Swamp, Warner Mts.. 2180 Comment
  CAS-BOT-BC245442  Veronica wormskjoldii Bruce Bartholomew 1994-7-3 6834 Modoc Edge of Dismal Swamp, N end of Warner Mountains. 2180 Comment
  NY716270  Vicia americana B. M. Bartholomew 1988-6-24 4352 Modoc 9.8 km southwest of County road 1 on County Road 42, east side of the Warner Mountains. 1960 Comment
  RSA0011233  Vicia americana R. M. Austin, Bruce 1898-07 s.n. Modoc Coyote Flat. Comment
  CAS-BOT-BC180137  Vicia americana var. americana Leland S. Smith 1918-7-7 979 Modoc Jess Valley. Comment
  UC83934  Vicia cracca Mrs. R. M. Austin 1893-1 Modoc Davis Creek Comment
  UC1761504  Viola adunca Milo S. Baker Aug 1898 527 Modoc Little Hot Spring Valley Big Valley-Fall River Range (about halfway between Forestdale and the summit towards Day P.O.) Comment
  UC1763483  Viola adunca Milo S. Baker Aug 1898 Modoc Forestdale Comment
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  UC748236  Viola adunca Annie M. Alexander and Louise Kellogg 1946-6-25 4820 Modoc Dismal Swamp, n end of Warner Mountains Dismal Swamp; Warner Mountains 2255 Comment
  CAS-BOT-BC245352  Viola beckwithii Milo Samuel Baker 1888-1-1 s.n. Modoc Near Lookout. Comment
  CAS-BOT-BC245363  Viola beckwithii L. A. M. Black 1893-7-1 86 Modoc Davis Creek. Comment
  UC581517  Viola beckwithii H. L. Mason 1926-4-12 2884 Modoc Davis Creek Comment
  CAS-BOT-BC497310  Viola beckwithii B. Bartholomew 1991-5-24 5725 Modoc 1.3 km NE of road between Fort Bidwell and Fee Reservoir on road to Big Mud Lake 1580 Comment
  CAS-BOT-BC245350  Viola glabella Bruce Bartholomew 1995-6-23 6991 Modoc 8.8 km E of U.S. Hwy 395 on Forest Road 30, W side of the Warner Mountains. 1700 Comment
  CAS-BOT-BC245340  Viola macloskeyi Bruce Bartholomew; Barrett Anderson 1988-6-24 4344 Modoc Vicinity of Blue Bell Mine between Lily Lake and and Fort Bidwell on County Road 2, Warner Mts.. 2190 Comment
  CAS-BOT-BC245342  Viola macloskeyi Bruce Bartholomew 1992-5-15 6308 Modoc Upper end of Pleasants Canyon, W side of Warner Mountains. 1930 Comment
  SEINET195181 Image available Viola macloskeyi Annie M. Alexander, Louise Kellogg 1946-7-1 4887 Modoc Mineral Spring 2 miles southwest of Dismal Swamp north end of Warner Mountains 2256 Comment
  CAS-BOT-BC245320  Viola praemorsa Edward Kent Balls 1950-5-11 14624 Modoc Above Cowhead Lake, along 8-mile Creek. 1463 Comment
  CAS-BOT-BC245322  Viola praemorsa Bruce Bartholomew; Barrett Anderson 1989-4-29 4689 Modoc Surprise Valley Road, just S of the Oregon border, extreme NE corner of Modoc County. 1630 Comment
  JEPS50378  Viola praemorsa subsp. linguifolia Milo S. Baker 1893-7-19 Modoc Forestdale Comment
  UC1025081  Viola praemorsa subsp. linguifolia Leo Whitney 1934-5-5 1739 Modoc 15 mi w of Canby (ne hillside near Happy Camp); Modoc National Forest 1463 Comment
  UC1761655  Viola praemorsa subsp. linguifolia E. K. Balls 1950-5-11 14624 Modoc 8.1 mi NE of Fort Bidwell (above Cowhead Lake, along 8-Mile Creek) 1463 Comment
  POM203820  Viola praemorsa subsp. linguifolia J. T. Howell 1934-6-14 12131 Modoc Near Lost Lake, Warner Mts. 2439 Comment
  RSA59369  Viola praemorsa subsp. linguifolia E. K. Balls 1950-5-11 14624 Modoc 8.1 mi NE of Fort Bidwell, above Cowhead Lake, along 8 mile Creek. 1463 Comment
  HSC25973  Viola praemorsa subsp. praemorsa D. H. Norris, T. Nelson, S. Dowty 1971-6-22 19345 Modoc Soup Springs Campground Comment
  POM84063  Viola praemorsa subsp. praemorsa C. C. Bruce 1898-06 2255 Modoc Goose Lake Canyon. Comment
  HSC25974  Viola purpurea subsp. mohavensis D. H. Norris, T. Nelson, S. Dowty 1971-6-22 19322 Modoc Soup Springs Campground Comment
  CAS-BOT-BC245315  Viola purpurea subsp. purpurea Ernest Brown Babcock; George Ledyard Stebbins 1936-6-9 1824 Modoc Cedar Creek Canyon, ca. 3 mi. W of Cedarville. 1676 Comment
  JEPS50328  Viola purpurea subsp. purpurea Milo S. Baker 1893-7-25 Modoc Big Valley Mountains Comment
  POM203821  Viola purpurea subsp. purpurea J. T. Howell 1934-6-14 12134 Modoc Near Lost Lake, Warner Mts. 2439 Comment
  CAS-BOT-BC245299  Viola purpurea subsp. venosa K. Paulson; Robert Paulson 1988-6-11 27 Modoc Stough Reservoir, Warner Mts.. 1676 Comment
  CAS-BOT-BC245286  Viola sheltonii Bruce Bartholomew 1995-6-23 6993 Modoc 0.5 km SW of Forest Road 30 on road to Bald Mountain, crest of the Warner Mountains. 2060 Comment
  CAS-BOT-BC245289  Viola sheltonii Bruce Bartholomew 1994-7-2 6819 Modoc Mill Creek NE of Bald Mtn., E side of Warner Mountains. 2040 Comment
  JEPS50268  Viola sororia subsp. affinis F. Payne 1929-6-13 7 Modoc Parker Creek; Warner Mountains, Parker Creek 1584 Comment
  UC19304  Viola sororia subsp. affinis Mrs. R. M. Austin June 1894 Modoc Willow Creek; Northern California, Willow Creek Comment
  UC1024695  Vulpia microstachys var. microstachys Leo Whitney 1934-5-18 Modoc near Timbered Mountain (Devil's Garden, ne Modoc County); Modoc National Forest, Devil's Garden 1524 Comment
  UCD93990  Vulpia microstachys var. pauciflora A. A. Beetle; G. L. Stebbins Jr. 1942-5-30 3372 Modoc at Adin. Comment
  POM203788  Woodsia oregana J. T. Howell 1934-6-11 11974 Modoc Parker Creek, Warner Mts. 1585 Comment
  RSA610719  Woodsia oregana L. C. Wheeler 1935-9-26 4007 Modoc Fletcher Creek at Pease Place, Devil s Garden 1524 Comment
  JEPS126498  Wyethia helenioides Jennifer Mueller 2016-7-19 CA 370 -240 Modoc From Cedarville head north on County Road 1 through Fort Bidwell. Continue on County Road 1 which goes through Long Canyon towards Cowhead Lake. Comment
  CHSC85191  Wyethia mollis John Dittes; Josephine Guardino 1991-6-1 346 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
  UC863904  Wyethia mollis Lewis S. Rose 1940-6-13 40547 Modoc ne Alturas; Surprise 1371 Comment
  SEINET10726812  Wyethia mollis Paul Gallian, David B. Dunn 1971-6-3 Gallian 501 Modoc 5 mi. S of CAnby on Calif. Hwy. 299. 1280 Comment
  UCSB11846  Wyethia mollis Haller, John 1961-6-24 Modoc Fort Bidwell-New Pine Creek road, 6.2 mi NW of Fort Bidwell; Warner Mountains 1828 Comment
  CAS-BOT-BC242290  Zannichellia palustris Robert Folger Thorne; C. W. Tilforth 1969-9-5 39178 Modoc South Fork of Pit River at bridge 3.8 mi. E of Likely. 1386 Comment
  UC1099978  Zannichellia palustris Herbert L. Mason and Verne Grant 1947-7-12 13427 Modoc n. Likely (s. loop of w. side rd.) Comment
  CAS-BOT-BC242053  Zigadenus paniculatus Elmer Ivan Applegate 1932-7-9 7582 Modoc Bidwell Mountain. Comment
  CAS-BOT-BC242060  Zigadenus paniculatus M. M. Hanna 1956-6-4 956 Modoc Cedar Pass. Comment
  RSA304224  Zigadenus paniculatus James R. Shevock 1972-5-20 1805 Modoc N of Alturas, Hwy 299. 1372 Comment
  CAS-BOT-BC242043  Zigadenus venenosus var. venenosus Bruce Bartholomew 1995-6-1 6931 Modoc Widow Valley between Day and Lookout on County Road 94. 1330 Comment
  JEPS62295  Zigadenus venenosus var. venenosus Leland S. Smith 1918-6-22 940 Modoc Willow Ranch Meadow Modoc National Forest 1524 Comment



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