Search Results — 2000 specimen records retrieved (1508 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

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

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  HSC80921  Abies concolor G. M. Riegel 1979-8-1 729 Modoc S Warner Mtns. 1670 Comment
  RSA59536  Abies concolor E. K. Balls 1950-5-20 14801 Modoc Above Mill Creek Falls Camp, toward Clear Lake. 1784 Comment
  UC1280962  Abies concolor H. E. McMinn 1931-5-23 2443 Modoc Warner Mts. Comment
  CAS-BOT-BC15672  Achillea millefolium Bruce Bartholomew 1989-8-11 5098 Modoc Vicinity of Patterson Ranger Station, S end of Warner Moutains. 2160 Comment
  CAS-BOT-BC242287  Achnatherum Leland S. Smith 1924-5-31 s.n. Modoc W side Egg Lake. Comment
  JEPS70581  Achnatherum hymenoides L. S. Smith 1917-7-13 85 Modoc ridge above R.S. Sec. 2 & 3 ((42-15); Warner Mts. 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
  UCD32689  Achnatherum lemmonii Beecher Crampton 1954-7-6 2101 Modoc Modoc County, Road 56, following Shields Creek into Warner Mountains, 22 miles east of Alturas. Comment
  POM260441  Achnatherum lemmonii var. lemmonii C. L. Hitchcock 1940-5-28 6724 Modoc near Surprise, ca. 15 miles north of Alturas 1402 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
  CAS-BOT-BC242324  Achnatherum lettermanii Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10533 Modoc Pattewrson Ranger Station (East Creek drainage). 2164 Comment
  UCD32712  Achnatherum nevadense Beecher Crampton 1954-7-7 2143 Modoc Modoc County, open slopes of cedar Pass summit. 1097 Comment
  UCD50893  Achnatherum occidentale L. Whitney 1935-7-3 s.n. Modoc Badger Well, Modoc County, California. Comment
  UC1024992  Achnatherum occidentale subsp. occidentale Leo Whitney 1935-7-11 3456 Modoc 4 mi e Medicine Lake (Glass Mountain); Glass Mountain Comment
  UC1024991  Achnatherum occidentale subsp. pubescens Leo Whitney 1935-7-7 3397 Modoc 4 mi nw Canby (Howard Gulch); Howard Gulch Comment
  UC1037133  Achnatherum occidentale subsp. pubescens Leo Whitney 1935-6-9 3206 Modoc White Horse Comment
  UC1037149  Achnatherum occidentale subsp. pubescens Leo Whitney 1935-7-6 3423 Modoc Crank Springs Comment
  CAS-BOT-BC242309  Achnatherum thurberianum Clare Butterworth Hardham 1961-6-19 7859 Modoc Willow Creek. Comment
  UC1024924  Achnatherum thurberianum Leo Whitney 1935-6-30 3354 Modoc open flat near Hackamore (ca. 15 mi nw of Canby); Modoc National Forest 1463 Comment
  UC1031374  Achnatherum thurberianum L. D. Whitney 1935-7-2 3333 Modoc ca. 17 mi nw Canby (Badger Wells); Badger Wells Comment
  UCD51437  Achnatherum thurberianum E. Wilson 1934-5-15 s.n. Modoc Near Alturas. Comment
  HSC80756  Actaea rubra G. M. Riegel 1980-8-12 1034 Modoc S Warner Mtns. 2100 Comment
  JEPS60376  Actaea rubra Milo S. Baker 1893-7-15 Modoc 1371 Comment
  UC29325  Adenocaulon bicolor Milo S. Baker 1893-6 Modoc along timbered mt. stream Comment
  UC71685  Adenocaulon bicolor Mrs. M. H. Manning 1904-8-26 312 Modoc Mill Canon; northeast Modoc County Comment
  RSA504667  Adonis aestivalis K. Paulson, R. Paulson 1988-6-10 22 Modoc SW of Dorris Reservoir. 1341 Comment
  CAS-BOT-BC218321  Adonis aestivalis Leland S. Smith 1912-7-1 1513 Modoc Pit River near Ranger Station. Comment
  CAS-BOT-BC218322  Adonis aestivalis Leland S. Smith 1926-7-7 1514 Modoc Near Pit River Ranger Station. 1524 Comment
  CDA3512  Adonis aestivalis Loring White 1963-6-1 Modoc West of Canby. 0 Comment
  CDA3514  Adonis aestivalis T. C. Fuller 1963-7-15 10907 Modoc South of Highway 299 to Adin, 2.0 miles west of Canby. 0 Comment
  UCD95445  Adonis aestivalis L. K. Mann; Patricia Mann 1963-6-19 s.n. Modoc 1-2 miles southwest of Canby, U.S. Highway 299. Comment
  UC26065  Agastache parvifolia Milo S. Baker 1893-6 Modoc Egg Lake Shore; on Egg Lake Shore Comment
  CAS-BOT-BC179887  Agastache urticifolia Leland S. Smith 1924-6-20 1421 Modoc Curtis Water Hole. 1310 Comment
  POM70467  Agastache urticifolia Mrs. R. M. Austin 1898-06 2195 Modoc Foothills, Goose Lake. Comment
  CAS-BOT-BC15649  Ageratina occidentalis Bruce Bartholomew 1989-8-12 5108 Modoc S end of Coyote Creek, ca. 1.5 km SW of Sunflower Knob, S end of Warner Mountains. 2040 Comment
  RSA531340  Ageratina occidentalis Bruce Bartholomew 1989-8-12 5108 Modoc S end of Coyote Creek, ca. 1.5 km SW of Sunflower Knob, S end of Warner Mountains 2040 Comment
  HSC81032  Agoseris aurantiaca G. M. Riegel 1980-7-7 824 Modoc South Warner Mountains 2100 Comment
  JEPS5992  Agoseris aurantiaca var. aurantiaca Frances D. Payne 1932-6-26 610 Modoc se of, on high ridges n of Parker Creek Alturas; Warner Mountains, Parker Creek 1828 Comment
  CAS-BOT-BC23035  Agoseris grandiflora var. grandiflora John Thomas Howell 1934-6-13 12079 A Modoc Fandango Pass, Warner Mts. 1828 Comment
  RSA323627  Agoseris heterophylla A. Tiehm 1984-7-30 8830 Modoc 8.9 road miles NE of Ft. Bidwell on the main road to Adel, just past the road summit. 1616 Comment
  CAS-BOT-BC15324  Agoseris heterophylla John Thomas Howell 1934-6-13 12087 Modoc Lake City Comment
  JEPS123866  Agrostis exarata Lowell Ahart, John Dittes 2015-7-16 20394 Modoc Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. Comment
  CHSC115513  Agrostis gigantea Lowell Ahart; John Dittes 2015-7-16 20370 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
  UC1024961  Agrostis pallens Leo Whitney 1935-7-1 3376 Modoc ca 15 mi nw Canby; Modoc National Forest, Lake Joaquina, Hackamore 1463 Comment
  UCD53148  Agrostis pallens A. A. Jordan 1934-9-11 s.n. Modoc Alturas. Comment
  UCD53170  Agrostis pallens L. Whitney 1935-7-5 s.n. Modoc Hackamore Reservoir. Comment
  CHSC117357  Agrostis stolonifera Lowell Ahart; John Dittes 2016-7-14 21208 Modoc Strand of a new pond, south of Ash Creek Canal (now filled in), south of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. 1273 Comment
  JEPS127285  Agrostis stolonifera Lowell Ahart, John Dittes 2016-7-14 21208 Modoc South of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin Big Valley. Comment
  UC70678  Agrostis stolonifera Mrs. M. H. Manning Jun 1903 415 Modoc ne Modoc County Comment
  UCD53488  Agrostis stolonifera Hursh 1919-10-30 X 3319 Modoc Alturas. Comment
  JEPS68412  Agrostis thurberiana Leland S. Smith 1918-6-23 966 Modoc High Grade Modoc Forest, Lily Lake 2286 Comment
  RSA531345  Aliciella lottiae Bruce Bartholomew, B. Anderson 1989-6-2 4837 Modoc 6.4 km E of Eagleville on the road to the California state border, E side of Surprise Valley. 1550 Comment
  RSA534554  Aliciella micromeria Bruce Bartholomew 1991-5-24 5695 Modoc Surprise Valley, 5.1 km E of Eagleville 1370 Comment
  CAS-BOT-BC245221  Alisma gramineum Herbert Louis Mason 1955-8-13 14653 A Modoc SW side of Goose Lake. 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
  RSA210815  Alisma triviale Robert F. Thorne, James Henrickson, C. W. Tilforth 1969-9-4 39106 Modoc N Fork of Pit River 3.4 mi N of Alturas where crossed by Highway 395. 1341 Comment
  CAS-BOT-BC445447  Alisma triviale Robert F. Thorne; C. W. Tilforth 1969-9-4 39056 Modoc 2 mi W of Davis Creek (town), S. of Goose Lake 1432 Comment
  CAS-BOT-BC245015  Allium acuminatum John Thomas Howell 1934-6-11 11956 Modoc Parker Creek. 1584 Comment
  POM110315  Allium acuminatum Mrs. R. M. Austin 1895-07 499 Modoc Goose Lake Valley. Comment
  UC1036050  Allium acuminatum Annie M. Alexander and Louise Kellogg 1946-6-12 4737 Modoc w side, Fandango Pass road Fandango Pass road 1706 Comment
  UC3051  Allium acuminatum Mrs. R. M. Austin June, 1898 2282 Modoc Goose Lake valley Comment
  RSA123173  Allium acuminatum R. C. Wilson 1933-6-25 53 Modoc Rush Creek. 1448 Comment
  SEINET8111958  Allium acuminatum M. J. Williams 1969-1 Modoc Comment
  HSC29863  Allium amplectens D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19493 Modoc At Big Valley summit about 6 mi. W of Adin on Hwy. 299 Comment
  UCD141838  Allium amplectens L. K. Mann; M. D. Mann 1963-6-18 s.n. Modoc 4.6 miles north of Adin toward Alturas. Comment
  UCD141839  Allium amplectens L. K. Mann; M. D. Mann 1963-6-18 s.n. Modoc 4.6 miles north of Adin toward Alturas. Comment
  CAS-BOT-BC244997  Allium anceps James D. Jokerst 1983-5-31 1809 A Modoc Near Signal Butte. 1340 Comment
  CAS-BOT-BC244983  Allium lemmonii K. Paulson; Robert Paulson 1988-6-11 33 Modoc North of Stough Reservoir, Warner Mts.. 2011 Comment
  CAS-BOT-BC244988  Allium lemmonii K. Paulson; Robert Paulson 1989-7-4 173 Modoc Ca. 0.5 mi. S of Patterson Ranger Station, S end of Warner Mts. 2240 Comment
  CHSC85112  Allium lemmonii John Dittes; Josephine Guardino 1991-7-21 427 Modoc Modoc Plateau; Big Valley; Ash Creek Wildlife Area; ca. 5.7 air-miles northeast of Bieber, ca. 7.6 air-miles west of Adin, ca. 1.5 air-mile southeast of Pilot Butte summit; meadow at northern edge of Ash Creek Floodplain (Big Swamp) at southeast base of Pilot Butte. 1258 Comment
  JEPS47576  Allium lemmonii L. S. Smith 1929-6-19 1130 Modoc Patterson Hill Modoc Forest, Patterson Hill 2194 Comment
  RSA540060  Allium lemmonii Bruce Bartholomew 1990-6-16 5279 Modoc Bear Flat, west side of Warner Mountains. 1830 Comment
  SEINET3878767  Allium parvum D. W. McNeal 1979-5-13 2225 Modoc Beside Hwy #395, 15.8 mi S of the jct of Hwy #299 in Alturas.; 0 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
  CAS-BOT-BC248331  Allium platycaule B. Bartholomew; H. Sun 2002-6-24 8818 Modoc Just SW of Manzanita Mt. and ca. 15 straight line km NW of Aden 2000 Comment
  CAS-BOT-BC474063  Allium platycaule Mrs. R. M. Austin; Bruce 1898-7-1 2227 Modoc Hugh Mts, Warner range Comment
  JEPS13888  Allium platycaule Rimo Bacigalupi with L. R. Heckard, R. D. Sanderson, and G. Bacigalupi 1952-6-18 3747 Modoc about 200 ft above and s Cedar Pass; Warner Mountains 1981 Comment
  SEINET3878872  Allium platycaule D. W. McNeal 1977-6-8 2062 Modoc On a very steep rocky slope above Hwy #395, 3.0 mi N of the jct of Hwy #299 N of Alturas.; 0 Comment
  UC725720  Allium platycaule A. A. Heller 1941-6-25 16207 Modoc Cedar Pass 1935 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
  CAS-BOT-BC244951  Allium tolmiei var. tolmiei Bruce Bartholomew 1991-6-21 5819 Modoc N side of Mud Lake, 5.3 km S of Forest Service road 73 on road to Rim Rock Valley. 1570 Comment
  JEPS47628  Allium tolmiei var. tolmiei Mrs. R. M. Austin May 1894 165 Modoc Adobe Flats Goose Lake Valley, Adobe Flats Comment
  CAS-BOT-BC190745  Allophyllum gilioides subsp. gilioides Bruce Bartholomew 1995-5-12 6899 Modoc Near NE side of Day Rock above Little Hot Spring Valley. 1310 Comment
  CAS-BOT-BC242349  Alopecurus aequalis Leland S. Smith 1918-6-22 942 Modoc Willow Creek below Ranger Station. 1676 Comment
  JEPS101211  Alopecurus aequalis Dean Wm. Taylor with Glenn L. Clifton 1989-8-5 10476 Modoc Warner Mountains, North Emerson Lake margin Comment
  UC1254974  Alopecurus aequalis Alice Eastwood and John Thomas Howell 1940-6-12 8088 a Modoc Jess Valley Comment
  CAS-BOT-BC242336  Alopecurus geniculatus Bruce Bartholomew; Barrett Anderson 1988-5-14 4204 Modoc Hager Basin Reservoir between Crowder Flats and Big Sage Reservoir on USFS road 48N08. 1530 Comment
  CAS-BOT-BC498761  Alopecurus geniculatus L. S. Smith 1924-6-21 1423 Modoc Modoc Forest Comment
  CDA18403  Alopecurus pratensis G. D. Barbe, P. Hiatt & M. Keffer 1980-6-4 2803 Modoc Modoc Plateau; Eastside Canal/ Railroad crossing on Westside Road, north of Likely. 1341 Comment
  UC1024962  Alopecurus saccatus Leo Whitney 1935-7-12 3449 Modoc ca. 15 mi. n.w. Canby (Lake Joaquina); Modoc Nat'l Forest, Hackamore, Lake Joaquina 1463 Comment
  UCR87504  Alyssum alyssoides George K. Helmkamp, E. A. Helmkamp 1993-5-4 s.n. Modoc 25.6 miles NW of Canby along Calif. Hwy 139 1280 Comment
  NY785947  Alyssum desertorum B. M. Bartholomew 1988-5-12 4134 Modoc Along the N side of the Pit River, 0.5 km W of State Highway 299 on Bushey Road. 1310 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
  NY718435  Alyssum parviflorum var. micranthum N. H. Holmgren 1998-5-30 12993 Modoc Surprise Valley, Fort Bidwell-Cedarville road, 1.8 km (1.1 mi) south of the Fandango Pass road and 31.2 km (19.4 mi) north of downtown Cedarville 1370 Comment
  CAS-BOT-BC58649  Alyssum simplex Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-13 16468 Modoc Roadside 2.6 mi. N of Buck's Creek Ranger Station, E side of Goose Lake. Comment
  UC1584001  Alyssum simplex G. Schoolcraft 1990-6-6 2078 Modoc about 10 mi n of Alturas (near Joseph Creek) 1447 Comment
  CHSC117260  Amaranthus californicus Lowell Ahart; John Dittes 2016-7-14 21182 A 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 miles (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. 1273 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
  JEPS124366  Amaranthus powellii Lowell Ahart, John Dittes 2015-7-16 20382 Modoc Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. Comment
  HSC80690  Amelanchier pallida G. M. Riegel 1976-7-3 452 Modoc S Warner Mtns. 1670 Comment
  RSA164429  Amelanchier pumila Clare B. Hardham 1961-6-20 7887 Modoc Top of Bidwell Road, Road to Dismal Creek. 2439 Comment
  CAS-BOT-BC214632  Amelanchier utahensis Bruce Bartholomew; Barrett Anderson 1989-4-27 4611 Modoc 2.1 km SSE of Day on road to State Highway 299. 1020 Comment
  CAS-BOT-BC217095  Amelanchier utahensis Bruce Bartholomew; Barrett Anderson 1989-6-2 4778 Modoc Top of Fandango pass, Warner Mountains. 1870 Comment
  SBBG27371  Amelanchier utahensis C. L. Hitchcock 1940-5-27 6701 Modoc 15 mi NE of Alturas 1615 Comment
  UC72962  Amelanchier utahensis Milo S. Baker 1893-1 Modoc Forestdale Comment
  CAS-BOT-BC245114  Amphiscirpus nevadensis Edward Kent Balls 1950-5-13 14668 Modoc Goose Lake, E shore near Willow Ranch. 1463 Comment
  CAS-BOT-BC54152  Amsinckia menziesii John Thomas Howell 1934-6-12 12039 Modoc 10 mi. S of New Pine Creek. Comment
  CAS-BOT-BC54195  Amsinckia menziesii Bruce Bartholomew; Barrett Anderson 1989-4-29 4697 Modoc E side of Surprise Valley, just W of the Nevada border and ca. 15 km E of Cedarville. 1500 Comment
  CAS-BOT-BC54200  Amsinckia menziesii Alice Eastwood; John Thomas Howell 1940-6-13 8163 Modoc Fort Bidwell. Comment
  CHSC117050  Amsinckia menziesii Lowell Ahart; John Dittes 2016-6-6 20942 Modoc About 20 yards west of the dirt road, about 50 yards southwest of the intersection of County Road 87 and Access Road to Pilot Butte Parking Area, northeast base of Pilot Butte, 3.8 miles (air) east of Lookout, 7.5 miles (air) west of Adin, Ash Creek State Wildlife Area. 1271 Comment
  CHSC67641  Amsinckia tessellata James D. Jokerst 1983-7-27 1917 Modoc E. side Hwy. 395 S of Alturas, N of Signal Butte. Comment
  CAS-BOT-BC54162  Amsinckia tessellata var. tessellata Alice Eastwood; John Thomas Howell 1940-6-11 8025 Modoc 8 mi. from Canby on road to Alturas. Comment
  CAS-BOT-BC54172  Amsinckia tessellata var. tessellata Isabelo T. Kelly 1930-1-1 63 Modoc unspecified Comment
  UC1035989  Amsinckia tessellata var. tessellata Helen K. Sharsmith 1955-6-22 4502 Modoc just outside w boundary of Modoc National Forest (w slope Warner Mountains, West Valley resevoir); Warner Mountains, West Valley 1524 Comment
  UC134195  Anaphalis margaritacea Mrs. R. M. Austin 1894-8-1 90 Modoc springs at Sugar Loaf Hills Comment
  HSC4653  Antennaria argentea M. S. Baker 1893-1 Modoc Egg Lake Comment
  UC748335  Antennaria argentea Annie M. Alexander and Louise Kellogg 1946-6-17 4785 Modoc Cedar Pass Road 1767 Comment
  CAS-BOT-BC15610  Antennaria argentea Roxana Stinchfield Ferris; R. Duthie 1919-6-14 99 Modoc E of Alturas, Warner Mts. 2133 Comment
  CAS-BOT-BC15614  Antennaria argentea E. H. Steffen 1917-7-1 88 Modoc Granger Mill. 1676 Comment
  SJSU8153  Antennaria argentea R. L. Fisher 1958-6-13 Modoc near Adin Pass, 6 mi S of Canby 1524 Comment
  CAS-BOT-BC15581  Antennaria dimorpha Roxana Stinchfield Ferris; R. Duthie 1919-6-16 133 Modoc Above Parker Creek. Comment
  RSA59978  Antennaria dimorpha E. K. Balls 1950-5-13 14683 Modoc West shore of Goose Lake, 0.5 mile south of Oregon-California State line. 1463 Comment
  CAS-BOT-BC15622  Antennaria dimorpha Mrs. H. C. Cantelow 1940-5-31 3221 Modoc 8.9 mi. E of Indian Springs. Comment
  CAS-BOT-BC15586  Antennaria geyeri Leland S. Smith 1407 Modoc Happy Camp. 1371 Comment
  CAS-BOT-BC58683  Antennaria luzuloides Mrs. R. M. Austin 1894-7-1 s.n. Modoc Goose Lake Valley Comment
  UC1037300  Antennaria luzuloides Leo Whitney 1934-5-18 1631 Modoc Devil's Garden, (ne portion of county) Modoc National Forest, Devil's Garden 1524 Comment
  UC1302430  Antennaria luzuloides Clare B. Hardham 1961-6-18 7556 Modoc hills 3 mi se Cedar Pass; Warner Mountains Comment
  RSA26467  Antennaria luzuloides subsp. aberrans Alice Eastwood, J. T. Howell 1940-6-11 8010 Modoc 6 miles NE of Adin on road to Canby. Comment
  SBBG22250  Antennaria rosea C. B. Hardham 1961-6-20 7883 a Modoc rd from Mt Bidwell to Dismal Crk Comment
  UC105500  Apocynum androsaemifolium Mrs. R. M. Austin August 1894 Modoc Lassen Creek Comment
  UCD121270  Apocynum androsaemifolium K. M. Meyer; A. Townesmith 2007-9-16 216 Modoc Modoc National Forest, 19.2 miles W on Forest Service Rd. 31. 1693 Comment
  UC22906  Apocynum androsaemifolium Baker July, 1893 Modoc 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
  UC1191811  Apocynum cannabinum Verne Grant and Irving Schneider 1947-7-21 8120 Modoc N. Fork Pit R. by bridge on Hwy. 395 n. of Alturas; N. Fork Pit R. Comment
  CAS-BOT-BC15695  Apocynum cannabinum Margaret J. Williams 1984-6-30 84- 76 -2 Modoc Cedar Pass Road, 1.7 mi. W of Cedarville. 1508 Comment
  CAS-BOT-BC218338  Aquilegia formosa Isabelo T. Kelly 1930-1-1 48 Modoc Fort Bidwell. Comment
  CAS-BOT-BC218333  Aquilegia formosa var. formosa Annie Montague Alexander; L. Kellogg 1946-7-7 4944 Modoc Eight Mile Creek, NE corner of county. 1752 Comment
  CAS-BOT-BC218347  Aquilegia formosa var. formosa Belknap C. Goldsmith 1912-8-6 85 Modoc W side of Goose Lake. 1463 Comment
  SEINET5340152  Arabis divaricarpa M. J. Williams 1984-6-30 84- 79 -2 Modoc 5.7 mi west of Alturas on Granger Canyon road. 1859 Comment
  HSC6520  Arabis glabra M. T. Milligan 1965-6-26 332 Modoc N end Jess Valley. 1616 Comment
  RSA59851  Arabis holboellii var. retrofracta E. K. Balls 1950-5-14 14691 Modoc 0.2 mi. south of boundary Modoc National Forest, trail from Alturas to Thomas Reservoir. 1524 Comment
  HSC26497  Arabis puberula J. P. Smith, J. O. Sawyer 1972-5-6 5267 Modoc Along Hwy. 299, 4 mi. W of Modoc County Rd. 58, E of Alturas 1494 Comment
  NY114823  Arabis puberula G. Schoolcraft 1981-5-12 388 Modoc South of Alturas near Jones Lane 1402.1 Comment
  UC1504492  Arabis puberula Reed C. Rollins and Kathryn W. Rollins 1981-6-1 81192 Modoc 3.3 mi w Lake City; Warner Mountains Comment
  NY119571  Arabis sparsiflora A. J. Cronquist 1959-6-20 8526 Modoc At Cedarville Pass; Warner Mtns., between Cedarville and Alturas 1950.7 Comment
  CAS-BOT-BC95656  Arctostaphylos patula Louis Cutter Wheeler 1935-9-16 3987 Modoc Everly Reservoir, Devil's Garden. 1524 Comment
  CAS-BOT-BC95658  Arctostaphylos patula Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-15 16494 Modoc SE flank of Glass Mt., near Modoc-Siskiyou Co. line. Comment
  RSA488026  Arctostaphylos patula Bruce Bartholomew, B. Anderson, Bartholomew 1988-5-12 4093 Modoc 4 km NW of White Horse. 1350 Comment
  UC190594  Arenaria aculeata M. F. Gilman 506 Modoc Comment
  UC468966  Arnica M. F. Gilman 553 Modoc 1676 Comment
  UC736124  Arnica chamissonis Annie M. Alexander and Louise Kellogg 1945-7-20 4500 Modoc Bridgeport Meadow 1950 Comment
  CAS-BOT-BC15401  Arnica cordifolia Betty J. Hammerly 1941-6-20 36 Modoc Clear Lake 1767 Comment
  CAS-BOT-BC15406  Arnica cordifolia Francis Dorris Payne 1929-7-26 113 Modoc Pine Creek Basin. 2316 Comment
  CAS-BOT-BC15408  Arnica cordifolia Mrs. H. C. Cantelow 1940-6-1 Modoc Cedar Pass Mtns. east of Alturas Comment
  CAS-BOT-BC15417  Arnica cordifolia Mrs. H. C. Cantelow 1940-6-1 s.n. Modoc Cedar Pass, Warner Mtns. at the summit. E. of Alturas Comment
  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
  HSC81145  Arnica cordifolia G. M. Riegel 1980-7-12 864 Modoc South Warner Mountains 1670 Comment
  RSA504611  Arnica discoidea Bruce Bartholomew, B. Anderson 1988-7-21 4415 Modoc Whitehorse Mountains, 11 km N of Day on the road to Whitehorse Flat Reservoir. 1340 Comment
  CAS-BOT-BC15284  Arnica longifolia Alice Eastwood; John Thomas Howell 1940-6-12 8075 Modoc Between Likely and Jess Valley. Comment
  CHSC115055  Arnica sororia Jessica O'Brien 2014-9-24 Modoc 1364 Comment
  CDA10133  Arnica sororia T. C. Fuller 1963-6-11 10648 Modoc Little Meadow Campground, South Fork of the Pit River, 7.9 miles east of Likely. 0 Comment
  RSA607266  Artemisia arbuscula subsp. arbuscula L. C. Wheeler 1935-9-9 3962 Modoc Spring, Devil's Garden Comment
  JEPS118495  Artemisia cana Chris Boever 2010-8-11 CA 370 -115 Modoc North Cedarville, CA to Fort Bidwell, 13 miles up the Lake Annie road East side of road. Comment
  POM228877  Artemisia cana L. C. Wheeler 1935-8-30 3931 Modoc Devil's Garden: Lakeshore Reservoir. 1524 Comment
  UC1540166  Artemisia ludoviciana subsp. ludoviciana Dean W. Taylor 1987-8-9 9277 Modoc 1371 Comment
  UCR143213  Artemisia ludoviciana subsp. ludoviciana L. C. Wheeler 1935-8-14 3849 Modoc Warner Mtns., Lily Lake, Pine Creek 2073 Comment
  RSA606128  Artemisia ludoviciana subsp. ludoviciana L. C. Wheeler 1935-8-7 3803 Modoc Pine Creek, Warner Mtns. 1555 Comment
  CDA19675  Artemisia tridentata G. D. Barbe 1991-8-27 4439 Modoc Modoc Plateau; Warner Mts 2316 Comment
  CAS-BOT-BC15213  Artemisia tridentata subsp. tridentata Doris K. Kildale 1926-9-11 2770 Modoc Between Alturas and Marlin, Oregon. 1371 Comment
  CHSC67337  Artemisia tridentata subsp. vaseyana James D. Jokerst 1986-9-18 2771 Modoc Radar Site Survey S of Doublehead Mtn., NE face of Timber Mtn. Comment
  SEINET3397748  Artemisia tridentata subsp. vaseyana Unknown 1994-1 s.n. Modoc 10 mi. S. of Newell Comment
  SEINET3397749  Artemisia tridentata subsp. wyomingensis Unknown 1994-1 s.n. Modoc 5 mi. N. of Likely Comment
  SEINET201594  Asclepias cordifolia Arthur Cronquist, Arthur H. Holmgren 1959-6-19 8496 Modoc Along Clear Lake; Warner Mts. 15 miles east of Likely. 1829 Comment
  CAS-BOT-BC15652  Asclepias cordifolia Leland S. Smith 1398 Modoc Modoc County. Comment
  RSA152745  Asclepias cordifolia I. L. Wiggins, Dorothy Wiggins 1961-6-12 16441 Modoc Along Cedar Pass road 4 mi. E of Cedar Pass Summit Comment
  CAS-BOT-BC15662  Asclepias fascicularis Bruce Bartholomew 1989-8-10 5042 Modoc Little Hot Spring Valley, 3.9 km NW of Day. 1070 Comment
  SEINET195716  Asclepias fascicularis Annie M. Alexander, Louise Kellogg 1946-7-7 4922 Modoc Lake Annie. Comment
  UC748423  Asclepias fascicularis Annie M. Alexander and Louise Kellogg 1946-7-7 4922 Modoc Lake Annie Comment
  UCR67440  Aster subspicatus George K. Helmkamp 1990-9-23 I- 20 Modoc Warner Mtns, Goose Lake, within 0.1 mi of the Oregon border 1476 Comment
  SJSU13943  Astragalus californicus N. A. Hopkins 1985-5-13 1272 Modoc by rd between Alturas & Cedarville, Warner Mts 1524 Comment
  CDA26631  Astragalus canadensis var. brevidens R. Campbell Jul 1936 Modoc SPRR. 0 Comment
  POM16274  Astragalus carinatus M. S. Baker 1893-1 128 Modoc Egg Lake Comment
  CAS-BOT-BC218219  Astragalus curvicarpus var. curvicarpus Annie Montague Alexander; L. Kellogg 1946-6-10 4723 Modoc Slope facing Lower Lake, lava bench between Lower and Snake lakes. Comment
  CAS-BOT-BC218221  Astragalus curvicarpus var. curvicarpus Elmer Ivan Applegate 1897-5-31 880 Modoc E side of Tule Lake below Bloody Point. Comment
  CHSC112432  Astragalus curvicarpus var. curvicarpus Lowell Ahart; John Dittes, Todd Sloat 2013-6-8 18761 Modoc About 300 yards east of the Parking Area, east of the old barn, Ash Creek State Wildlife Area, about 3.9 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  CAS-BOT-BC218222  Astragalus curvicarpus var. curvicarpus R. M. Austin 1898-6-1 2212 Modoc Modoc County. Comment
  UC862748  Astragalus curvicarpus var. curvicarpus A. A. Heller 1938-6-24 15225 Modoc on banks along U.S. Highway #299 between Alturas and Canby; between Alturas and Canby 1341 Comment
  CHSC112510  Astragalus filipes L. P. Janeway; B. Castro 2014-6-2 11309 Modoc Great Basin. Along County Road 1, 1.0 km north of the road to the southeast corner of Cow Hed Lake (County Road 5), on the east side of Long Canyon, low in the canyon. 1566 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
  SBBG22154  Astragalus filipes C. B. Hardham 1961-6-19 7838 Modoc Davis Crk 1676 Comment
  UC1563713  Astragalus filipes Barbara Ertter 1988-6-18 7619 Modoc 1 mi s of s jct to Lava Beds Nat'l Monument (e of Tonesta, 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, e of Tonesta 1310 Comment
  RSA0006759  Astragalus filipes H. D. Ripley, R. C. Barneby 1944-5-31 5993 Modoc Mesa NW of Alturas. 1372 Comment
  RSA0029193  Astragalus filipes John F. Emmel 1997-6-8 1493 Modoc Along Hwy 395 ca. 5.5 road mi south of Alturas, 0.6 road mi south of highway crossing of South Fork Pit River. 1341 Comment
  RSA415802  Astragalus filipes Christopher Davidson 1973-5-24 2106 Modoc S of Alturas on County Rd 63 off Hwy 395 near Likely. 1311 Comment
  CAS-BOT-BC182060  Astragalus inversus Bruce Bartholomew; Barrett Anderson 1988-6-23 4237 Modoc 2.1 km SSE of Day on the road to State Highway 299. 1020 Comment
  UC13401  Astragalus lentiginosus var. chartaceus Mrs. R. M. Austin and Bruce July 1898 2210 Modoc Goose Lake Shore Comment
  SJSU9576  Astragalus obscurus W. Savage 1979-7-3 1330 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  JEPS109814  Astragalus pulsiferae var. coronensis Dean W. Taylor 2004-5-13 19066 Modoc jeep road to plateau 0.5 miles south of County Road 62 (1 mile N30dE of Wade Williams Spring, 10 air miles SSW of Alturas) 1402 Comment
  NY694123  Astragalus pulsiferae var. coronensis L. Ganio 1981-7-1 5 Modoc Near Fitzhugh Creek, 2 miles south of Yankee Jim Ranch 1646 Comment
  CAS-BOT-BC182027  Astragalus purshii Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-10 6466 Modoc Below Emerson Campground, E side of Warner Mountains. 1710 Comment
  CAS-BOT-BC182042  Astragalus purshii Bruce Bartholomew 1991-5-25 5751 Modoc Ca. 6 km NW of Tionesta on road to Lava Beds National Monument. 1310 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-BC193031  Astragalus purshii var. tinctus Mrs. Austin 1895-5-1 2 Modoc Goose Lake Valley Comment
  CAS-BOT-BC193032  Astragalus purshii var. tinctus Frances D. Payne 1932-6-10 424 Modoc Parker Creek 1584 Comment
  NY694433  Astragalus purshii var. tinctus R. C. Barneby 1982-5-26 17843 Modoc 7 miles east of Madeline Comment
  POM26817  Astragalus whitneyi R. M. Austin 1895-05 31 Modoc Goose Lake Valley. Comment
  CAS-BOT-BC200870  Astragalus whitneyi var. confusus Clare B. Hardham 1961-6-18 7578 Modoc Mountains south of Cedar Pass 1981 Comment
  CAS-BOT-BC27735  Astragalus whitneyi var. confusus Harry Dwight Dillon Ripley; Rupert Charles Barneby 1944-5-31 5992 Modoc Mesa NW of Alturas 1371 Comment
  NY701838  Astragalus whitneyi var. confusus G. Schoolcraft 1981-5-12 386 Modoc South of Alturas near Jones 1402 Comment
  CAS-BOT-BC181988  Astragalus whitneyi var. lenophyllus Bruce Bartholomew 1995-8-1 7163 Modoc Bidwell Mtn., E side of the Warner Mountains. 2150 Comment
  CAS-BOT-BC181997  Astragalus whitneyi var. lenophyllus Peter Hamilton Raven; Otto Thomas Solbrig 1958-6-18 13333 Modoc 9.7 mi. N of Adin on Hwy 299. Comment
  CAS-BOT-BC182001  Astragalus whitneyi var. lenophyllus Elmer Ivan Applegate 1897-6-2 891 Modoc Pit River valley S of Alturas. 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-BC182014  Astragalus whitneyi var. lenophyllus C. C. (Mrs.) Bruce 1898-6-1 2209 Modoc Foothills, Modoc County. Comment
  RSA0014477  Atriplex Joan Stewart 2005-6-6 2491 Modoc Around Lava Bed [National Monument] Comment
  NY526834  Atriplex confertifolia B. M. Bartholomew 1989-8-11 5079 Modoc East side of Surprise Valley at Nevada border on State Highway 299 1500 Comment
  CDA34190  Atriplex patula var. obtusa L. Ahart, J. Dittes 2010-8-31 17112 Modoc About 10 yards west of Elkins Lane, about 150 yards north of the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, and about 7.7 miles (air) northeast of Bieber, Big Valley. Comment
  CHSC106167  Atriplex patula var. obtusa Lowell Ahart; John Dittes 2010-8-31 17112 Modoc About 10 yards west of Elkins Lane, about 150 yards north of the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1274 Comment
  UC1024847  Avena fatua Leo Whitney 1935-6-9 3202 Modoc near White Horse; White Horse lake (Flat) Comment
  CHSC30393  Balsamorhiza hookeri Sandra C. Morey 1980-4-26 77 Modoc Hwy 299, ca. 3.7 mi N of jctn with Hwy 139. 1280 Comment
  CAS-BOT-BC15183  Balsamorhiza hookeri var. lanata Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-11 6483 Modoc 5.6 km N of State Hwy 299 on Crowder Flat Road. 1580 Comment
  CAS-BOT-BC15195  Balsamorhiza sagittata Bruce Bartholomew; Barrett Anderson 1989-4-27 4638 Modoc Ryan Canyon, 6.0 km NW of Adin on road to Dutch Flat. 1370 Comment
  CAS-BOT-BC15200  Balsamorhiza sagittata S. Saufferer 1973-5-5 130 Modoc About 7.5 mi. S of Pine Creek, along Hwy 395. Comment
  RSA149085  Balsamorhiza sagittata Dorothy Wiggins 1961-6-15 16502 Modoc 22 miles W of Canby along Hwy 139 Comment
  CAS-BOT-BC58672  Barbarea orthoceras Bruce Bartholomew 1994-7-2 6810 Modoc E of Bald Mtn. on E side of the Warner Mountains. 2150 Comment
  RSA482813  Barbarea orthoceras Christopher Davidson 1973-5-24 2104 Modoc South of Alturas on County Road 63 off Highway 395, near Likely. 1311 Comment
  UC10248  Barbarea orthoceras Mrs. R. M. Austin July, 1894 Modoc Davis Creek Comment
  CAS-BOT-BC248385  Beckmannia syzigachne Peter H. Raven; Otto T. Solbrig 1958-6-17 13304 Modoc Along United States Highway 299, 2.6 miles west of Alturas Comment
  CHSC116085  Beckmannia syzigachne Lowell Ahart; John Dittes 2015-7-16 20372 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
  CHSC99254  Beckmannia syzigachne Lowell Ahart; John Dittes 2008-6-21 14991 Modoc In shallow water and on wet soil, along the edge of 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
  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
  UCD32724  Beckmannia syzigachne Beecher Crampton 1954-7-7 2162 Modoc Modoc County, 2.5 miles east of Alturas, near radio station KCNO. Comment
  UCR136424  Beckmannia syzigachne Beecher Crampton 1954-7-7 2162 Modoc Modoc Plateau, 2.5 miles east of Alturas, near radio station KCNO 1341 Comment
  CAS-BOT-BC54183  Berberis aquifolium var. repens Isabelo T. Kelly 1930-1-1 51 Modoc Fandango Pass, Warner Mts. Comment
  SJSU9698  Berberis aquifolium var. repens W. Savage 1979-7-10 Modoc Oreghon Rim Unit, Devils Garden District, Modoc National Forest 1645 Comment
  UC9740  Berberis aquifolium var. repens Mrs. R. M. Austin and Bruce July 1898 2351 Modoc hills Modoc Co. Comment
  UCSB18053  Berberis aquifolium var. repens Haller, John 1962-6-8 Modoc Vicinity of Cave Lake, 1 mile west of Summit of New Pine Creek-Fort Bidwell Road, Warner Mountains 2072 Comment
  HSC65615  Berula erecta Thomas Wood 1979-8-11 251 Modoc 4 mi. S of Fort Bidwell on Co. Hwy. 1 1396 Comment
  RSA210863  Bidens cernua R. F. Thorne, J. Henrickson, C. W. Tilforth 1969-9-4 39117 Modoc N Fork of Pit River 3.4 mi N of Alturas where crossed by Hwy 395 1341 Comment
  CAS-BOT-BC15147  Bidens cernua var. cernua Herbert Louis Mason; Verne Grant 1947-7-12 13431 Modoc South loop of west side road, north of Likely Comment
  CAS-BOT-BC15149  Bidens cernua var. cernua Bruce Bartholomew 1989-8-12 5135 Modoc 4.2 km W of Likely on County Road 60. 1370 Comment
  CAS-BOT-BC218114  Bistorta bistortoides Annie Montague Alexander; L. Kellogg 1946-6-30 4881 Modoc Highgrade, W side of ridge, N end of Warner Mts. 2377 Comment
  CAS-BOT-BC15081  Blepharipappus scaber David Daniels Keck; Jens Chr. Clausen 1935-6-24 3711 Modoc 3 mi. NE of Willow Ranch E of Goose Lake. 1550 Comment
  CAS-BOT-BC15086  Blepharipappus scaber Roxana Stinchfield Ferris; R. Duthie 1919-6-13 72 Modoc 2 mi. above Modoc Nat. Forest Boundary on Parker Creek, Warner Mts. Comment
  CAS-BOT-BC15088  Blepharipappus scaber M. M. Hanna 1956-6-4 953 Modoc Alturas-Cedarville highway. Comment
  CAS-BOT-BC15092  Blepharipappus scaber Lillian S. Mott 1976-5-29 5 LM76 Modoc Devil's Garden, N of Alturas. 1402 Comment
  CAS-BOT-BC15103  Blepharipappus scaber R. K. Gierisch; D. H. Esplin 1969-7-15 3541 Modoc Modoc National Forest 1524 Comment
  CAS-BOT-BC15110  Blepharipappus scaber K. Paulson; Robert Paulson 1988-6-29 59 Modoc Joseph Creek Basin, Warner Mts.. 1524 Comment
  CAS-BOT-BC15122  Blepharipappus scaber John Thomas Howell 1934-6-12 11997 Modoc 6 mi. S of Davis Creek. Comment
  CHSC118294  Blepharipappus scaber L. P. Janeway 2016-5-17 12015 Modoc Modoc Plateau. Devils Garden area; flat just below (west of) Porcupine Rim; 0.3 km north of Road 43N18; 4.0 air-km west of Big Sage Reservoir. 1544 Comment
  HSC5821  Blepharipappus scaber M. T. Milligan 1964-6-6 3 Modoc N side of Dorris Reservoir along shore 1372 Comment
  UCR92621  Blepharipappus scaber Kathy Harper, D. Karr 1994-6-16 s.n. Modoc Modoc Plateau, near Spaulding Lake, along Calif. Hwy 139, c. 15 mi. south of Tionesta Road, NW of Canby near Hackamore 1160 Comment
  HSC5209  Blepharipappus scaber M. T. Milligan 1965-6-27 377 Modoc Slopes and ridges E of Jess Valley 1616 Comment
  SEINET7379331 Image available Blepharipappus scaber subsp. scaber M. J. Williams 1984-1 84- 85 -4 Modoc Northwest of Alturas, 2.1 mi N of Hwy on the Crowder Flat Road 1372 Comment
  JEPS53066  Boechera L. S. Smith 1918-6-23 961 Modoc High Grade District Warner Mts. 2286 Comment
  RSA0125908  Boechera Christopher Davidson 1973-5-26 2110 Modoc 4 miles W of Canby on Hwy 299. 1359 Comment
  CAS-BOT-BC14126  Boechera paupercula Annie M. Alexander; Louise Kellogg 1946-8-1 5107 Modoc Warner Mountains. Eagle Peak. West slope below crest of divide. Comment
  CAS-BOT-BC100297  Boechera puberula John Thomas Howell 1934-6-11 11935 Modoc Parker Creek, Warner Mts. 1584 Comment
  CAS-BOT-BC95741  Boechera sparsiflora Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-13 6549 Modoc 8 km E of Likely along S Fork of Pit River. 1380 Comment
  UC748488  Boechera sparsiflora Annie M. Alexander and Louise Kellogg 1946-6-5 4670 Modoc s of Eagleville; Warner Mountains, Emerson Creek 1889 Comment
  UC71683  Boechera subpinnatifida Mrs. M. H. Manning Jul 1903 100 b Modoc near Fort Bidwell (ne Modoc County) Comment
  POM204158  Boisduvalia glabella J. T. Howell 1934-7-2 12351 Modoc Mowitz Creek, 1 mile S of Clear Lake. Comment
  RSA152437  Boisduvalia macrantha I. L. Wiggins, Dorothy Wiggins 1961-6-13 16465 Modoc 4 miles west of summit of Fandango Pass across Warner Mountains. Comment
  UCD57370  Briza maxima Gerald Dickinson 1963-7-16 106 Modoc 4 miles east of U. S. Highway 395. Above Middle Fork of Davis Creek. Plum Valley Campground. 1524 Comment
  CAS-BOT-BC244946  Brodiaea coronaria subsp. coronaria K. Paulson; Robert Paulson 1989-7-2 156 Modoc Between McKay Flat and Howerds Gulch. 1447 Comment
  UC1134015  Brodiaea coronaria subsp. coronaria R. C. Wilson 1933-6-27 56 Modoc Tom's Creek Modoc National Forest, Canby Quad. 1463 Comment
  RSA180226  Bromus briziformis Clare B. Hardham 1961-6-18 7520 Modoc Cedar Pass. 1829 Comment
  SEINET4345019  Bromus briziformis M. J. Williams 1984-7-1 84- 85 -1 Modoc NW of Alturas, 3.1 mi N of Hwy 299, on the Crowder Flat road 1372 Comment
  CAS-BOT-BC242428  Bromus carinatus var. carinatus Bruce Bartholomew; Barrett Anderson 1988-7-22 4487 Modoc Vicinity of East Creak Trailhead, southern end of the Warner Mts. 2210 Comment
  CAS-BOT-BC242431  Bromus carinatus var. carinatus Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16435 Modoc 4 mi. E of Summit of Cedar Pass, along Cedar Pass road. Comment
  CAS-BOT-BC242432  Bromus carinatus var. carinatus Bruce Bartholomew; Barrett Anderson 1990-7-19 5427 Modoc Top of Hunters Ridge S of Rush Creek. 1960 Comment
  CAS-BOT-BC242474  Bromus carinatus var. carinatus John H. Hatton 1911-6-15 107 Modoc unspecified Comment
  JEPS69155  Bromus carinatus var. carinatus Leland S. Smith 1924-5-26 Modoc near Pit River Ranger Station 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
  UC1037151  Bromus carinatus var. carinatus Leo Whitney 1935-7-6 3413 Modoc Pit River near Lookout Pit River Comment
  JEPS69181  Bromus carinatus var. carinatus Leland S. Smith 1917-7-17 84 Modoc Comment
  UCD59096  Bromus carinatus var. marginatus Leo Whitney 1934-5-19 3043 b Modoc Timbered Mountains. Devil's Garden, Modoc National Forest, northeast portion of county. 1524 Comment
  UCD59097  Bromus carinatus var. marginatus L. Whitney 1935-7-6 s.n. Modoc Pit River. Stone Coal Valley. Comment
  CAS-BOT-BC498661  Bromus carinatus var. marginatus I. Tidestrom 1910-6-25 3636 Modoc Modoc National Forest: Sibley Draw Comment
  POM264293  Bromus commutatus A. A. Beetle 1941-6-29 2837 Modoc south slope of Mount Adin Comment
  UCD58469  Bromus commutatus Beecher Crampton 1954-7-6 2088 Modoc Along U. S. Hwy. 395. 4 miles north of Likely. Comment
  CAS-BOT-BC242465  Bromus japonicus Leland S. Smith 1917-5-24 112 Modoc Joseph Creek. 1981 Comment
  RSA534604  Bromus japonicus Bruce Bartholomew 1989-7-14 4922 Modoc Along Rush Creek between Lower and Upper Rush Creek Campgrounds 1520 Comment
  UC1024676  Bromus madritensis subsp. rubens Leo Whitney 1934-5-24 2172 Modoc 15 mi nw of Canby (Modoc National Forest, Hackamore); Modoc National Forest, Hackamore 1463 Comment
  UC1024902  Bromus madritensis subsp. rubens Leo Whitney 1935-5-21 3113 Modoc 15 mi nw of Canby (Modoc National Forest, Hackamore, Lake Joaquina); Modoc National Forest, Hackamore, Lake Joaquina 1463 Comment
  RSA534586  Bromus marginatus Bruce Bartholomew 1989-7-15 4994 Modoc Sweagert Flat. 567 Comment
  HSC9255  Bromus orcuttianus M. T. Milligan 1966-7-29 605 Modoc West slope of Eagle Peak 1921 Comment
  UC53741  Bromus orcuttianus M. S. Baker and Frank Nutting 1894-8-20 Modoc near Forestdale 1371 Comment
  CAS-BOT-BC161573  Bromus suksdorfii L. S. Smith 1922-7-20 1277 Modoc Modoc Forest. Rush Creek Ranger Station in pasture. 1905 Comment
  CAS-BOT-BC242459  Bromus suksdorfii Leland S. Smith 1922-7-20 1277 Modoc Rush Creek Ranger Station. 1905 Comment
  CAS-BOT-BC498653  Bromus suksdorfii L. S. Smith 1922-7-20 1277 Modoc Modoc Forest: Rush Creek 1905 Comment
  CHSC85143  Bromus tectorum John Dittes; Josephine Guardino 1991-6-1 364 Modoc Modoc Plateau; Big Valley; Ash Creek Wildlife Area; ca. 7.7 air-miles northeast of Bieber, ca. 4.0 air-miles west by southwest of Adin, ca. 5.0 air-mile east by southeast of Pilot Butte summit, ca. 0.6 mile east of Walters Road and Owl Barn; at southern edge of Ash Creek Floodplain. 1271 Comment
  HSC23519  Bromus tectorum R. Lewis 1968-6-4 11 Modoc 4 mi. SE of Canby, on old Alturas Hwy. 1402 Comment
  UC1036055  Bromus tectorum Annie M. Alexander and Louise Kellogg 1946-6-18 4795 Modoc Patterson Mill-Silver Creek Roads 1828 Comment
  UC7748  Calandrinia ciliata Milo S. Baker 1893-7-1 Modoc shore of lake Egg Lake 1371 Comment
  CAS-BOT-BC95096  Callitriche palustris Robert Folger Thorne; C. W. Tilforth 1969-9-4 39060 Modoc 2 mi. W of Davis Creek (town), S of Goose Lake. 1432 Comment
  CAS-BOT-BC95098  Callitriche palustris Bruce Bartholomew 1995-7-30 7069 Modoc Drainage from Taylor Reservoir just E of junction of County roads 93 and 94. 1260 Comment
  JEPS42845  Callitriche verna Frances Payne 1935-8-25 808 Modoc Parker Creek 1584 Comment
  UC401356  Calocedrus decurrens W. P. Taylor and H. C. Bryant 1910-6-25 Modoc Parker Cr. Warner Mountains, Parker Cr. 1676 Comment
  HSC81152  Calochortus leichtlinii G. M. Riegel 1979-7-15 527 Modoc S Warner Mtns. 1739 Comment
  JEPS75031  Calochortus longebarbatus var. longebarbatus Mrs. Richard G. Kay Paulson 1975-7-20 Modoc 0.5 mi e Craig Spring (which is ca 12 mi wnw of Canby) 1524 Comment
  CAS-BOT-BC242140  Calochortus macrocarpus Amos Arthur Heller 1940-6-29 15747 Modoc Hwy 299, 8 mi. W of Alturas. Comment
  CAS-BOT-BC242144  Calochortus macrocarpus R. M. Austin 1895-8-1 489 Modoc Davis Creek. Comment
  JEPS86157  Calochortus macrocarpus Wayne Roderick 1966-7-23 Modoc ca 3 rd mi n Cedar Pass; Warner Mtns. 2133 Comment
  SEINET3260048 Image available Calochortus macrocarpus A. A. Heller 1940-6-29 15747 Modoc On U.S. Highway #299, about 5 miles west of Alturas. Comment
  HSC15362  Calochortus macrocarpus var. macrocarpus Thomas W. Stark 1967-7-16 84 Modoc 2 mi. S of Lava Beds Natl. Monument, 10 mi. W of the town of Perez 915 Comment
  JEPS127295  Calycadenia Lowell Ahart, John Dittes 2016-7-14 21153 Modoc About 1/8 mile south of Ash Creek, Ash Creek State Wildlife Area, 1 mile (air) south of County Road 87, 1.73 miles (air) southwest of Adin Big Valley. Comment
  SBBG128894  Calycadenia fremontii L. Ahart, J. Dittes 2008-8-25 15294 Modoc W side of Pit River, ca. 1/8 mi E of County Rd 91, ca. 3.8 mi (air) NNE of Lookout 1273 Comment
  CAS-BOT-BC197577  Calyptridium umbellatum Bruce Bartholomew; Barrett Anderson 1988-6-23 4243 Modoc 4.2 km NW of Day. 1020 Comment
  CAS-BOT-BC197583  Calyptridium umbellatum Leland S. Smith 1920-6-1 1153 Modoc 12-mile Creek. 1981 Comment
  JEPS52515  Calyptridium umbellatum W. L. Jepson 1918-8-13 7981 Modoc Eagle Peak, summit Eagle Peak; Warner Mountains, Eagle Peak 3017 Comment
  JEPS52529  Calyptridium umbellatum Milo S. Baker 1893-6 Modoc Egg Lake 1371 Comment
  SEINET8471949  Camassia quamash E. K. Balls 1950-5-15 14697 Modoc 15.8 miles NW Canby, Hwy 139 by turn to Hackamore.. 1402 Comment
  UC421787  Camassia quamash subsp. breviflora Milo S. Baker before February 1906 Modoc Forestdale Comment
  UC421789  Camassia quamash subsp. breviflora Franklin P. Nutting Modoc Forestdale Comment
  CAS-BOT-BC242135  Camassia quamash subsp. breviflora M. M. Hanna 1956-6-7 1021 Modoc Hwy 139 near Canby. Comment
  JEPS118464  Camelina microcarpa Lowell Ahart, John Dittes 2011-6-21 17517 Modoc About 130 yards west of the fence, south edge of the meadow, Ash Creek State Wildlife Area, about 2,300 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley 1267 Comment
  CAS-BOT-BC191121  Camissonia andina Bruce Bartholomew 1991-6-21 5817 Modoc N side of Mud Lake, 5.8 km S of Forest Service road 73 on road to Rim Rock Valley. 1570 Comment
  POM254337  Camissonia andina Alice Eastwood, John Thomas Howell 1940-6-15 8291 Modoc 9 miles N of Lookout Comment
  CAS-BOT-BC191119  Camissonia boothii subsp. alyssoides Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-10 6451 Modoc At the Nevada border directly E of Eagleville, E side of Surprise Valley. 1520 Comment
  NY850968  Camissonia boothii subsp. alyssoides B. M. Bartholomew 1989-6-2 4812 Modoc Sand dunes at the southeast corner of Upper Alkali Lake, east side of Surprise Valley 1400 Comment
  RSA520344  Camissonia claviformis subsp. cruciformis Bruce Bartholomew, B. Anderson 1989-6-2 4838 Modoc 6.4 km E of Eagleville on the road to the California state border, E side of Surprise Valley. 1550 Comment
  CAS-BOT-BC191107  Camissonia minor Bruce Bartholomew 1993-6-13 6623 Modoc Near Fortynine Creek, E of Cedarville on E side of Surprise Valley. 1400 Comment
  CAS-BOT-BC191099  Camissonia subacaulis Louis Cutter Wheeler 1935-8-1 3731 Modoc Dismal Swamp. 2225 Comment
  CAS-BOT-BC191079  Camissonia tanacetifolia subsp. tanacetifolia Barrett Anderson 1986-7-9 3147 Modoc Crowder Flat Rd, 3.2 km off Hwy 299. 1510 Comment
  CAS-BOT-BC191086  Camissonia tanacetifolia subsp. tanacetifolia Barrett Anderson 1986-7-10 3207 Modoc West Warner Rd along Bear Flat. 1845 Comment
  POM312605  Camissonia tanacetifolia subsp. tanacetifolia H. L. Mason, Verne Grant 1947-7-10 13327 Modoc Dorris Reservoir, 2 miles east of Alturas. Comment
  NY119876  Cardamine breweri B. M. Bartholomew 1988-6-24 4326 Modoc Lily Lake, W side of the Warner Mtns. 2130 Comment
  SBBG22024  Cardamine breweri C. B. Hardham 1961-6-18 7568 Modoc S of Cedar Pass Comment
  CAS-BOT-BC58475  Cardamine breweri var. breweri Bruce Bartholomew; Barrett Anderson 1988-6-24 4326 Modoc Lily Lake, W side of the Warner Mts.. 2130 Comment
  CDA10594  Carduus acanthoides G. Deal 1997-7-25 s.n. Modoc Tuscarora Pipe Line right-of-way near Hackamore. 0 Comment
  UCR34818  Carex J. A. Harpel 1981-8-6 V 13 Modoc Warner Mtns, South Warner Wilderness Area: E end of Patterson Lake, 7 mi NW of Eagleville 2744 Comment
  HSC48000  Carex amplectens D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19460 Modoc Upper Rush Creek Campground, about 8 mi. N of Adin on Hwy. 299 Comment
  HSC48335  Carex aquatilis D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-22 19334 Modoc Soup Springs Campground Comment
  CAS-BOT-BC245195  Carex atherodes Robert Folger Thorne; et al 1969-9-3 39018 Modoc SE end of Tule Lake Sump, 0.5 mi. N of turnoff to Lava Beds National Monument. 1264 Comment
  CAS-BOT-BC242373  Carex athrostachya Peter Hamilton Raven; Otto Thomas Solbrig 1958-6-17 13305 Modoc Hwy 299, 2.6 mi W of Alturas. Comment
  CHSC110901  Carex athrostachya Lowell Ahart; John Dittes 2012-7-10 18305 Modoc Northeast of the old homestead, Ash Creek State Wildlife Area, about 3.2 miles (air) west of Adin, about 8.4 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  JEPS127213  Carex athrostachya Lowell Ahart, John Dittes 2016-6-6 20964 Modoc About one mile south the intersection of County Road 87 and Access Road to Pilot Butte Parking Area, 3.8 miles (air) east of Lookout, 7.5 miles (air) west of Adin, Ash Creek State Wildlife Area. Comment
  UC1100436  Carex athrostachya Verne Grant, Herbert L. Mason 1947-7-10 13355 Modoc 2 mi E of Alturas (1/4 mi W of Dorris Reservoir) Comment
  UC1537620  Carex athrostachya Gordon H. True Jr. 1939-8-16 999 Modoc Canby Comment
  UC1537644  Carex athrostachya Gordon H. True Jr. 1939-6-13 997 Modoc near Likely; Pit River Comment
  UC70607  Carex aurea M. S. Baker and Frank Nutting 1894-6-15 Modoc Big Valley Mts. Comment
  UCD32686  Carex aurea Beecher Crampton 1954-7-6 2099 Modoc Modoc County, Road 56, following Shields Creek into Warner Mountains, 22 miles east of Alturas. 1676 Comment
  CHSC117045  Carex douglasii Lowell Ahart; John Dittes 2016-6-6 20971 Modoc About 10 yards west of the dirt road, about 10 yards west of the intersection of County Road 87 and Access Road to Pilot Butte Parking Area, northeast base of Pilot Butte, 3.8 miles (air) east of Lookout, 7.5 miles (air) west of Adin, Ash Creek State Wildlife Area. 1271 Comment
  HSC95518  Carex douglasii Jim Jokerst 1987-5-13 2869 Modoc Radar Survey Site S of Doublehead Mtn., S of Clear Lake Reservoir, S end of northern sector 1360 Comment
  JEPS124307  Carex douglasii Lowell Ahart, John Dittes 2015-7-15 20338 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
  RSA59541  Carex douglasii E. K. Balls 1950-5-17 14732 Modoc Foot of south slope Double Head, Modoc National Forest, south of Clear Lake. 1463 Comment
  UC1036068  Carex hoodii Annie M. Alexander and Louise Kellogg 1946-7-19 5031 Modoc Benton Meadow Warner Mountains 2072 Comment
  UC1036069  Carex luzulina var. ablata Annie M. Alexander and Louise Kellogg 1946-7-19 5032 Modoc Benton Meadow Warner Mountains 2072 Comment
  CAS-BOT-BC245175  Carex multicaulis Edward Kent Balls 1950-5-18 14749 Modoc Above Upper Rush Creek Public Camp, 2.5 mi. E of Hwy 299. 1828 Comment
  CAS-BOT-BC245180  Carex multicaulis Fred. P. Cronemiller 1920-6-30 27 Modoc Round Valley. 1402 Comment
  RSA59539  Carex multicaulis E. K. Balls 1950-5-18 14749 Modoc Above Upper Rush Creek Public Camp, 2.5 miles east from Highway 299. 1829 Comment
  CAS-BOT-BC245160  Carex nebrascensis Louis Cutter Wheeler 1935-8-16 3870 Modoc Dismal Swamp. 2225 Comment
  CAS-BOT-BC245164  Carex nebrascensis R. L. Ward 1976-5-18 s.n. Modoc Pine Spring. 1508 Comment
  CHSC106173  Carex nebrascensis Lowell Ahart; John Dittes 2010-8-30 17086 Modoc About 400 yards west the bridge across Ash Creek, Elkins Lane, Ash Creek State Wildlife Area, 4215 feet north of Lassen County Line, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1277 Comment
  RSA0058899  Carex nebrascensis Lowell A. Ahart, John Dittes 2011-6-21 17522 Modoc About 30 yards west of the fence, meadow like area in uplands south of the big meadow, Ash Creek State Wildlife Area, about 1,000 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 0.8 miles (air) northeast of Bieber, Big Valley. 1268 Comment
  CAS-BOT-BC119277  Carex ovalis Louis C. Wheeler 1944-6-4 s.n. Modoc Dismal Swamp, Warner Mts. 2225 Comment
  CHSC99776  Carex pellita Lowell Ahart; John Dittes 2008-6-21 15003 Modoc On damp soil along a deep natural drainage, about 30 yards west of the levee, mountain meadow, in Big Valley, about 3.6 miles (air) northeast of the Headquarters at Ash Creek State Wildlife Area, aout 6.4 miles (air northeast of Bieber. 1269 Comment
  CAS-BOT-BC245156  Carex praegracilis Herbert Louis Mason; Verne Grant 1947-8-13 13535 Modoc N side of F Reservoir, N of Canby. Comment
  POM313115  Carex praegracilis H. L. Mason, Verne Grant 1947-7-12 13439 Modoc Corporation Ranch Headquarters, north of Likely. Comment
  UCD140769  Carex praegracilis Herbert L. Mason; Verne Grant 1947-7-12 13439 Modoc Corporation Ranch Headquarters, north of Likely. Comment
  CDA13468  Carex sheldonii G. F. Hrusa, T. D. Wilfred 1996-7-21 13315 Modoc Modoc Plateau; Pit River overflow channel at Modoc Co. Rd. 90 bridge. E base of Splawn Mtn. N end of Big Valley. Comment
  CAS-BOT-BC242398  Carex subfusca Bruce Bartholomew; Barrett Anderson 1988-6-24 4332 Modoc Lily Lake, W side of the Warner Mts.. 2130 Comment
  CAS-BOT-BC245142  Carex utriculata Robert Folger Thorne; C. W. Tilforth 1969-9-5 39157 Modoc Margin of Clear Lake, Warner Mts. 1767 Comment
  SEINET8275878  Carex utriculata Unknown 1969-9-5 Modoc Modoc National Forest, Warner Mts., at margin of Clear Lake 1768 Comment
  CAS-BOT-BC242393  Carex whitneyi Leland S. Smith 1922-7-24 1292 Modoc Rush Creek Ranger Station. 1889 Comment
  HSC75584  Carex whitneyi G. M. Riegel 1979-7-27 609 Modoc S Warner Mtns. 1670 Comment
  CAS-BOT-BC180130  Castanopsis sempervirens A. D. Borden 1911-6-15 Modoc NE slope of Davis Creek. 2133 Comment
  CAS-BOT-BC180134  Castanopsis sempervirens Bruce Bartholomew 1989-7-14 4977 Modoc Vicinity of Upper Rush Creek Camp Ground. 1580 Comment
  RSA0025570  Castilleja John F. Emmel 1996-7-16 1441 Modoc Foothills NNE of N end Surprise Valley, W of Cowhead Lake; along County Road 1, ca. 8.5 road mi NE of jct. with County Road 6 at Ft. Bidwell. 1659 Comment
  CAS-BOT-BC225995  Castilleja applegatei John Thomas Howell 1934-6-13 12049 Modoc Fandango Pass, Warner Mountains 1828 Comment
  CAS-BOT-BC225975  Castilleja applegatei subsp. pinetorum Elmer Ivan Applegate 1932-7-31 7950 Modoc Mill Creek Meadows, W slope of Warner Mts. Comment
  CAS-BOT-BC225980  Castilleja applegatei subsp. pinetorum E. S. Willits 1940-5-6 216 Modoc Hillside near Lassen Creek, Willow Ranch. 1371 Comment
  CAS-BOT-BC229826  Castilleja applegatei subsp. pinetorum Leland S. Smith 1405 Modoc Modoc County. Comment
  HSC20502  Castilleja applegatei subsp. pinetorum M. T. Milligan 1965-6-30 381 Modoc E of Jess Valley. 1707 Comment
  JEPS17624  Castilleja applegatei subsp. pinetorum Rimo Bacigalupi with G. Thomas Robbins 1955-7-19 5376 Modoc e of and just above Soap Springs Meadow (forest road to Mill Creek Ranger Station, s Warner Mts.); Warner Mts., Modoc National Forest 2118 Comment
  JEPS26206  Castilleja applegatei subsp. pinetorum John Weiler with Andy P. Nelson 1961-5-28 61227 Modoc Cedar Pass Warner Mts. 1938 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
  RSA26485  Castilleja applegatei subsp. pinetorum Alice Eastwood, John T. Howell 1940-6-13 8144 Modoc Fandango Pass. Comment
  UC444864  Castilleja applegatei subsp. pinetorum Mrs. M. H. Manning 1907-1 Modoc e side Mt. Bidwell; 12 Mile Creek Comment
  HSC20572  Castilleja applegatei subsp. pinetorum M. T. Milligan 1965-7-27 354 Modoc 1677 Comment
  UC199401  Castilleja applegatei subsp. pinetorum M. F. Gilman 559 Modoc 1524 Comment
Read comments
Jan 12 2007
  CAS-BOT-BC226008  Castilleja arachnoidea Elmer Ivan Applegate 1932-7-31 7993 Modoc Mill Creek Meadow, W slope of Warner Mountains. Comment
  SJSU9674  Castilleja campestris W. Savage 1979-7-10 1522 Modoc Bowles Meadow Devils Garden District, Modoc National Forest 1493 Comment
  CAS-BOT-BC226016  Castilleja chromosa Mrs. M. H. Manning 1907-5-1 719 Modoc Warner Range E side. Comment
  CHSC71889  Castilleja lacera Vernon H. Oswald; Lowell Ahart 1998-9-8 9594 Modoc County Rd. 95 at Taylor Creek northwest of Lookout and ca. 0.5 air mi northeast of Lookout Junction. 1280 Comment
  CAS-BOT-BC226043  Castilleja linariifolia Elmer Ivan Applegate 1929-7-28 6082 Modoc N of Clear Lake. Comment
  POM260863  Castilleja linariifolia Alice Eastwood, John T. Howell 1940-6-14 8195 Modoc 6 miles w. of Alturas. Comment
  UC1051442  Castilleja linariifolia Herbert L. Mason 1955-8-14 14654 Modoc sw side Goose Lake (at Fletcher's Place) Comment
  UC733140  Castilleja linariifolia Elmer I. Applegate 1929-7-28 6082 Modoc n of Clear Lake Comment
  RSA305823  Castilleja longispica James R. Shevock 1972-5-20 1806 Modoc N of Alturas, Hwy 299. 1372 Comment
  CAS-BOT-BC226048  Castilleja miniata Elmer Ivan Applegate 1932-7-31 7977 Modoc Mill Creek Meadow, western slope of Warner Mts. Comment
  UC444892  Castilleja miniata W. P. Taylor and H. C. Bryant 1910-7-13 Modoc Head of North Fork Parker Creek; Warner Mountains 2225 Comment
  UC986479  Castilleja miniata Annie M. Alexander and Louise Kellogg 1946-7-12 4978 Modoc Cowhead Lake Comment
  CAS-BOT-BC226050  Castilleja pilosa Bruce Bartholomew; Barrett Anderson 1989-6-2 4786 Modoc Long Canyon, 12 km NE of Fort Bidwell on the road to the Oregon border. 1550 Comment
  CAS-BOT-BC241011  Castilleja pilosa Marion Ownbey; Fred G. Meyer 1940-7-1 2140 Modoc North slopes, Cedar Peak, Warner Mts. Comment
  CAS-BOT-BC241012  Castilleja pilosa Beecher Crampton 1960-6-17 5684 Modoc 5 miles south of Perez 1371 Comment
  CHSC112112  Castilleja pilosa L. P. Janeway; B. Castro 2014-6-2 11288 Modoc Great Basin. Along County Road 5 1.0 km west of the southwest corner of Cow Head Lake. 1627 Comment
  SBBG6800  Castilleja pilosa H. and M. Dearing 1939-6-9 3627 Modoc near Squaw Peak, Warner Mtns 2133 Comment
  SJSU9577  Castilleja pilosa W. Savage 1979-7-3 1334 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  CAS-BOT-BC226066  Castilleja pilosa Milo Samuel Baker 1893-6-12 s.n. Modoc Modoc County. Comment
  RSA505358  Castilleja psittacina R. C. Bacigalupi, G. Thomas Robbins 1955-7-20 5393 Modoc Flat at summit of forest road across the southern end of the Warner Range, 3.3 miles e. of Patterson Ranger Station, Modoc Nat. Forest. 2226 Comment
  CAS-BOT-BC497469  Castilleja psittacina Margaret J. Williams 1988-5-30 88- 23 -2 Modoc First road in to Big Sage Reservoir from Crowder Flat road, NW of Alturas 1539 Comment
  CAS-BOT-BC226079  Castilleja tenuis Mrs. H. C. Cantelow 1943-6-2 s.n. Modoc Ca. 10 mi. NW of Canby on road to Lava Beds. Comment
  JEPS120511  Castilleja tenuis L. P. Janeway, B. Castro 2012-7-25 10984 Modoc Warner Mountains. Comment
  JEPS79118  Castilleja tenuis L. R. Heckard with R. Bacigalupi 1980-6-10 5220 Modoc sw margin Egg Lake (now dry); Egg Lake Comment
  UC71740  Castilleja tenuis Mrs. M. H. Manning Jul 1904 396 Modoc 6 mi below Ft. Bidwell (Alkali Lake, ne Modoc County); Alkali Lake Comment
  CAS-BOT-BC58435  Caulanthus crassicaulis Bruce Bartholomew 1995-6-2 6940 Modoc About 9 km E of Eagle on SE side of Surprise Valley. 1460 Comment
  CAS-BOT-BC32730  Ceanothus X flexilis Milo Samuel Baker 1893-6-30 s.n. Modoc unspecified 1371 Comment
  HSC25994  Ceanothus integerrimus D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19516 Modoc Big Valley Summit, 6 mi. W of Adin on Hwy. 299 Comment
  UC1281290  Ceanothus prostratus H. E. McMinn 1941-8-27 5404 Modoc Egg Lake 12-13 mi from Lookout; Egg Lake Comment
  UC18391  Ceanothus prostratus Milo S. Baker 1893-6 Modoc Red soil 1524 Comment
  CAS-BOT-BC217115  Ceanothus velutinus John Thomas Howell 1934-6-13 12059 Modoc Fandango Pass. 1828 Comment
  CAS-BOT-BC217123  Ceanothus velutinus Elmer Ivan Applegate 1932-7-31 7982 Modoc Mill Creek Meadows. Comment
  HSC18352  Ceanothus velutinus M. T. Milligan 1966-8-3 622 Modoc West slope of Eagle Peak. 2439 Comment
  UC452545  Ceanothus velutinus Franklin P. Nutting Modoc Forestdale Forestdale (Northern California) Comment
  HSC80757  Ceanothus velutinus var. velutinus G. M. Riegel 1978-7-13 66 Modoc S Warner Mtns. 1670 Comment
  RSA767682  Centaurium exaltatum L. Ahart, John Dittes 2010-8-31 17125 Modoc Edge of a pond, about 400 yards west of Elkin s Lane and the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 air miles west of Adin, about 7.7 air miles northeast of Bieber, Big Valley. 1268 Comment
  UC71817  Centaurium muehlenbergii Mrs. M. H. Manning Aug 1903 217 Modoc near Fort Bidwell (ne Modoc Co.) 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
  JEPS45550  Cercocarpus betuloides var. macrourus Milo S. Baker 1893-7-23 Modoc Forestdale Comment
  UC415484  Cercocarpus betuloides var. macrourus Milo S. Baker 1893-6 Modoc Modoc Co. Comment
  POM203964  Cercocarpus ledifolius J. T. Howell 1934-6-11 11966 Modoc Parker Creek, Warner Mts. 1585 Comment
  RSA613685  Cercocarpus ledifolius Louis C. Wheeler 1935-9-23 4006 Modoc Pease Flat, Devil's Garden. 1524 Comment
  NY848755  Cercocarpus ledifolius var. intermontanus C. L. Hitchcock 1940-5-27 6689 Modoc 15 miles northeast of Alturas 1615 Comment
  CAS-BOT-BC197539  Cercocarpus ledifolius var. ledifolius Belknap C. Goldsmith 1911-5-20 23 Modoc Sugar Hill, W slope Warner Mts. 1584 Comment
  CAS-BOT-BC15065  Chaenactis douglasii var. douglasii M. M. Hanna; G. D. Hanna 1956-6-5 s.n. Modoc Cedar Pass. Comment
  RSA101383  Chaenactis douglasii var. douglasii R. Weatherby 1955-7-8 1631 Modoc 5 miles north of Fort Bidwell, Northern Warner Mts. 1646 Comment
  RSA210856  Chaenactis douglasii var. douglasii R. F. Thorne, J. Henrickson, C. W. Tilforth 1969-9-4 39071 Modoc Near old margin of Goose Lake, SW shore of Goose Lake N of McGinty Point. 1433 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-BC15055  Chaenactis douglasii var. douglasii Amos Arthur Heller 1938-6-24 15221 Modoc Between Alturas and Canby on Hwy 299. 1341 Comment
  SJSU11737  Chaenactis douglasii var. douglasii J. W. Tilden 1958-6-25 1268 Modoc near Monument Headquarters, Lava Beds National Monument Comment
Read comments
Aug 15 2012
  CAS-BOT-BC15075  Chaenactis macrantha Bruce Bartholomew 1993-6-13 6610 Modoc Near the Nevada border, E of Eagleville, Surprise Valley. 1500 Comment
  HSC81052  Chaenactis nevadensis G. M. Riegel 1979-7-14 545 Modoc South Warner Mtns. 1739 Comment
  UC12126  Chamaebatiaria millefolium Milo S. Baker 1893-7-8 Modoc Comment
  UC1035971  Chamaesaracha nana Helen K. Sharsmith 1955-6-26 4509 Modoc ca 20 mi n Canby (adjacent to Highway 39); Modoc National Forest 1524 Comment
  UC1192289  Chamaesyce serpyllifolia Verne Grant and Irving Schneider 1947-8-27 8314 Modoc sw end Clear Lake Comment
  UC1192291  Chamaesyce serpyllifolia Herbert L. Mason, Verne Grant 1947-7-10 13325 Modoc 2 mi E of Alturas (Dorris Reservoir) Comment
  RSA185452  Cheilanthes gracillima Clare B. Hardham 1965-6-19 7845 Modoc Willow Creek Comment
  JEPS114668  Chenopodium album Lowell Ahart, John Dittes 2008-8-25 15321 Modoc On the east bank (flood plain) of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout 1273 Comment
  UC1191343  Chenopodium glaucum Herbert L. Mason 1947-8-15 13554 Modoc Crane Creek Goose Lake, Willow Ranch (mouth, e side of lake) Comment
  RSA623604  Chenopodium pumilio L. C. Wheeler 1935-8-3 3758 Modoc Warner Mountains: Rock Lake, Pine Creek 1920 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
  POM228960  Chenopodium salinum L. C. Wheeler 1935-8-18 3892 Modoc 2 miles northeast of Alturas 1357 Comment
  CAS-BOT-BC95666  Chimaphila umbellata Annie Montague Alexander; L. Kellogg 1946-8-8 5118 Modoc Deep Creek Canyon. Comment
  JEPS21429  Chrysothamnus humilis W. L. Jepson 1918-8-7 7881 Modoc Mt. Bidwell 2507 Comment
  CAS-BOT-BC15001  Chrysothamnus nauseosus subsp. albicaulis Elmer Ivan Applegate 1936-9-22 11058 A Modoc Fleeners Chimneys, Lava Beds National Monument. Comment
  CAS-BOT-BC15008  Chrysothamnus nauseosus subsp. albicaulis Bruce Bartholomew 1991-10-12 6112 Modoc Roadside next to Roney Flat on Forest Service Rd. 41N11. 1460 Comment
  CAS-BOT-BC15040  Chrysothamnus nauseosus subsp. albicaulis M. B. Kildale 1926-9-11 2769 Modoc Alturas. 1371 Comment
  RSA795594  Chrysothamnus nauseosus subsp. consimilis L. Ahart, John Dittes 2010-8-30 17052 Modoc About 3 yards east of the fence, south edge of the meadow, Ash Creek State Wildlife Area, 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
  SEINET10757947  Chrysothamnus nauseosus subsp. washoensis Andrew Townesmith, Karen M. Meyer 2007-9-15 Townesmith 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. T43N R15E S28 SW 1/4. 1928 Comment
  CAS-BOT-BC14983  Chrysothamnus viscidiflorus subsp. viscidiflorus Rimo Carlo Felice Bacigalupi 1934-9-5 2329 Modoc Summit of Cedar Pass, Warner Mountains Comment
  CAS-BOT-BC14995  Chrysothamnus viscidiflorus subsp. viscidiflorus Francis Dorris Payne 1935-8-25 812 Modoc Parker Creek. 1584 Comment
  UC71576  Chrysothamnus viscidiflorus subsp. viscidiflorus Mrs. M. H. Manning 1902-10-1 27 Modoc near Fort Bidwell (ne Modoc county) Comment
  CAS-BOT-BC14972  Cichorium intybus Bruce Bartholomew 1991-7-6 5962 Modoc Ash Creek Bird Santuary, 0.2 km N of Lassen County line on Modoc County Road 87A. 1260 Comment
  JEPS117477  Cichorium intybus Lowell Ahart, John Dittes 2010-8-30 17101 Modoc On east side of Elkins Lane, about 10 yards south of the bridge across Ash Creek, Ash Creek State Wildlife Area, 2300 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley 1267 Comment
  CDA38300  Cicuta douglasii T. C. Fuller 1964-10-8 12701 Modoc West side of Highway 395 at southern limits of Likely. 0 Comment
  JEPS15742  Cicuta maculata var. angustifolia W. L. Jepson 1918-8-9 7921 Modoc Fort Bidwell 1432 Comment
  CAS-BOT-BC191003  Circaea alpina subsp. pacifica K. Paulson; Robert Paulson 1988-7-11 76 Modoc Cedar Pass Campground. 1676 Comment
  CHSC111409  Cirsium Lowell Ahart; John Dittes 2012-7-10 18329 Modoc Open meadow, about 300 yeards northeast of the old barn, on the north side of the mowed road. Ash Creek State Wildlife Area, northeast of Bieber, Big Valley. 1266 Comment
  CAS-BOT-BC14952  Cirsium andersonii Bruce Bartholomew; Barrett Anderson 1988-7-22 4490 Modoc Vicinity of East Creak Trailhead, southern end of the Warner Mts. 2210 Comment
  UCR57505  Cirsium arvense R. D. Goeden, Don W. Ricker 1989-8-23 890823- 13 Modoc Modoc National Wildlife Refuge, Alturas 1341 Comment
  CAS-BOT-BC14962  Cirsium cymosum Lewis Samuel Rose 1940-6-13 40560 Modoc E slope of Cedar Pass. 1828 Comment
  CDA1165  Cirsium cymosum T. C. Fuller 1959-7-8 2761 Modoc Hwy 299; 8 mi. west of Alturas. 0 Comment
  HSC5389  Cirsium douglasii var. canescens M. T. Milligan 1966-7-25 578 Modoc E of Jess Valley 1646 Comment
  CDA1605  Cirsium undulatum D. B. Joley, C. D. Hunter 1983-8-3 s.n. Modoc S side of Hwy 139, 30 meters W of Hackamore Rd. (1 mi E of MP 19.00). Comment
  HSC5379  Cirsium vulgare M. T. Milligan 1966-7-26 579 Modoc N end of Jess Valley 1616 Comment
  CAS-BOT-BC191066  Clarkia gracilis subsp. gracilis Bruce Bartholomew; Barrett Anderson 1988-6-23 4290 Modoc S side of Egg Lake, ca. 1.5 km W of the Burlington Northern railroad track. 1300 Comment
  POM260363  Clarkia gracilis subsp. gracilis C. L. Hitchcock 1940-5-28 6729 Modoc 15 miles north of Alturas, (near Surprise). 1402 Comment
  UC930761  Clarkia gracilis subsp. gracilis C. L. Hitchcock 1940-5-28 6729 Modoc 15 mi n Alturas (near Surprise) 1402 Comment
  JEPS43696  Clarkia gracilis subsp. gracilis F. Payne 1929-6-13 6 Modoc s and e Alturas; Warner Mts., Parker Creek Comment
  CAS-BOT-BC191054  Clarkia lassenensis Annie Montague Alexander; L. Kellogg 1946-6-12 4738 Modoc Fandango Pass road. 1706 Comment
  CHSC31495  Clarkia lassenensis N. E. H. Prouty 1980-6-7 183 Modoc Modoc Nat. Forest, Warner Mt. District. Along north side of Deep Creek road, SW of Cedarville. Comment
  OBI53989  Clarkia lassenensis Barbara Ertter 1988-6-18 7622 Modoc Hwy 139 ca 50 airmiles SW of Klamath Falls, a few miles N of Ag Inspection Statio, 1 mi S of S jctn to Lava Beds Natl Monument E of Tonesta 1311 Comment
  RSA504643  Clarkia lassenensis Bruce Bartholomew 1988-6-23 4241 Modoc 4.2 kim NW of Day. 1020 Comment
  UC1184379  Clarkia lassenensis Peter H. Raven with Otto T. Solbrig 1958-6-18 13314 Modoc Cottonwood Flat Camp Ground Modoc National Forest Comment
  CAS-BOT-BC191043  Clarkia rhomboidea Barrett Anderson 1986-7-9 3175 Modoc Stough Reservoir Rd just E of Cedar Pass near Stough Reservoir. 1965 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
  SD46730  Clarkia rhomboidea Robert J. Weatherby 1955-7-8 1622 Modoc Northern Juniper Woodland. 6 miles north of Fort Bidwell, northern Warner Mountains. 1737 Comment
  SEINET10819638  Clarkia rhomboidea Nancy R. Morin 1978-7-6 Morin 261 Modoc Warner Mts. Campground ca 1/2 mile W of Cedar Pass, Cedar Mtn.; ca 6000 feet. Dry gravelly slopes. 1830 Comment
  NY497246  Claytonia lanceolata B. M. Bartholomew 1988-5-13 4161 Modoc 4 km northwest of Pepperdine, slope near top of the Warner Mountains 1760 Comment
  CAS-BOT-BC197441  Claytonia parviflora subsp. parviflora Bruce Bartholomew 1994-5-14 6679 Modoc NW of Day between Oilar Ranch and Day Rock. 1190 Comment
  CAS-BOT-BC197427  Claytonia perfoliata subsp. intermontana E. H. Steffen 1917-5-26 13 Modoc West Valley Camp. 1554 Comment
  RSA276912  Claytonia rubra J. M. Miller 1978-6-19 753 Modoc Modoc County: Warner Mtns, Fandango Pass. 2357 Comment
  CAS-BOT-BC197475  Claytonia rubra subsp. rubra Edward Kent Balls 1950-5-12 14640 Modoc Above Buck Creek Ranger Station. 1767 Comment
  CAS-BOT-BC197464  Claytonia rubra subsp. rubra John H. Hatton 1911-6-12 83 Modoc Modoc County. 1371 Comment
  UC9072  Clematis ligusticifolia Milo S. Baker 1893-6 Modoc Sacramento Canyon near Dunsmuir; Sacramento Canyon Comment
Read comments
Nov 17 2013
  SBBG2626  Cleome platycarpa H. and M. Dearing 1939-6-7 3582 Modoc near Alturas Comment
  CAS-BOT-BC229857  Collinsia parviflora F. Angwin 1946-4-6 s.n. Modoc Yowell Ranch, Adin. 1371 Comment
  JEPS17636  Collinsia parviflora Rimo Bacigalupi with G. Thomas Robbins 1955-7-20 5398 Modoc 3.3 mi e Patterson Ranger Station (summit of forest rd across s Warner Range); Warner Mtns 2225 Comment
  SBBG6876  Collinsia parviflora H. and M. Dearing 1939-6-8 3599 Modoc Pine Cyn, Warner Mtns Comment
  UC526138  Collinsia parviflora John Thomas Howell 1934-6-14 12135 Modoc near Lost Lake; Warner Mountains 2438 Comment
  RSA503036  Collinsia parviflora Bruce Bartholomew, B. Anderson 1988-6-24 4365 Modoc Vicinity of Patterson Campground, southern end of the Warner Mountains. 2190 Comment
  CAS-BOT-BC229871  Collinsia torreyi Annie Montague Alexander; L. Kellogg 1946-7-19 5035 Modoc Near Benton Meadow. 2072 Comment
  CAS-BOT-BC190730  Collomia grandiflora John Thomas Howell 1934-6-13 12075 Modoc Fandango Pass, Warner Mts. 1828 Comment
  HSC80886  Collomia grandiflora G. M. Riegel 1980-7-14 Modoc S Warner Mtns. 1670 Comment
  RSA82760  Collomia grandiflora J. M. Tucker 1950-7-25 1972 Modoc beside highway 139, 26.4 miles southeast of Tule Lake Comment
  UCD118163  Collomia grandiflora J. M. Tucker 1950-7-25 1972 Modoc Beside Highway 139, 26.4 miles SE of Tule Lake. Comment
  CAS-BOT-BC190726  Collomia linearis Margaret J. Williams 1984-6-30 84- 81 -4 Modoc 9.6 mi. from Gerlach-Cedarville road on the Parker Creek road. W side of the Warner Mts., S of Cedar Pass. 1828 Comment
  HSC16929  Collomia linearis M. T. Milligan 1965-6-26 323 Modoc N end Jess Valley. 1616 Comment
  JEPS71054  Collomia linearis Frances D. Payne 1932-6-27 615 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  CAS-BOT-BC229517  Collomia linearis Annie M. Alexander; Louise Kellogg 1946-7-3 4900 Modoc Bidwell Creek, 7 miles W of Fort Bidwell Comment
  SJSU9625  Collomia linearis W. Savage 1959-7-7 1437 Modoc Triangle, Fairchild Swamp Unit, Devils Garden District, Modoc National Forest 1499 Comment
  UC748270  Collomia linearis Annie M. Alexander and Louise Kellogg 1946-7-11 4960 Modoc ne corner of county Eight Mile Creek (slope w) Comment
  CAS-BOT-BC21481  Conium maculatum Bruce Bartholomew 1990-6-17 5286 Modoc Surprise Valley, SW side of Lower Alkali Lake, 3.2 km N of Lassen County border. 1370 Comment
  CAS-BOT-BC95591  Convolvulus arvensis Leland S. Smith 1920-7-4 1172 Modoc Alturas. 1341 Comment
  UC71711  Convolvulus arvensis Mrs. M. H. Manning July, 1903 44 Modoc Fort Bidwell; ne Modoc Co. Comment
  JEPS16279  Cordylanthus capitatus Mrs. R. M. Austin Aug. 1894 246 Modoc hills near Lassen Creek (ne Modoc Co.) Comment
  JEPS71355  Cordylanthus capitatus L. R. Heckard with R. Bacigalupi and T. I. Chuang 1973-7-29 3458 Modoc 3.5 mi n of Cedar Pass ((e of summit) e side of Warner Mountains, Summit of Old Cannon Mill Road); Warner Mountains, Old Cannon Mill Road 2072 Comment
  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
  SJSU9372  Cordylanthus ramosus W. Savage 1979-7-3 1273 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  UC70425  Cornus nuttallii Milo S. Baker 1898-8-1 515 Modoc Bowen's Springs Comment
Read comments
Dec 11 2015
  CHSC115523  Crataegus douglasii Lowell Ahart; John Dittes 2015-7-17 20369 Modoc On the south bank of Ash Creek, Ash Creek State Wildlife Area, about 3/4 mile south of County Road B7, about 2.7 miles (air) west of Adin, about 9.1 miles (air) northeast of Bieber. 1279 Comment
  HSC102678  Crataegus douglasii J. P. Smith, J. O. Sawyer 2011-8-14 13372 Modoc Fence row along Plum Valley Road, east of Davis Creek. 1494 Comment
  JEPS123834  Crataegus douglasii Lowell Ahart, John Dittes 2015-7-17 20396 Modoc Ash Creek State Wildlife Area, about 3/4 mile south of County Road B7, about 2.7 miles (air) west of Adin, about 9.1 miles (air) northeast of Bieber. Adin USGS 7.5' Topographic Quadrangle. Comment
  CAS-BOT-BC14910  Crepis acuminata John Thomas Howell 1934-6-11 11979 Modoc Parker Creek, Warner Mountains 1584 Comment
  CAS-BOT-BC14949  Crepis acuminata K. Paulson 1989-7-2 164 Modoc Happy Camp Lookout. 1850 Comment
  POM203067  Crepis acuminata J. T. Howell 1934-6-30 12289 Modoc Duncan Horse Camp. Comment
  SBBG8039  Crepis acuminata H. and M. Dearing 1939-6-8 3590 Modoc near Goose Lake 1219 Comment
  CAS-BOT-BC14922  Crepis bakeri Bruce Bartholomew 1991-6-21 5794 Modoc 1.6 km S of Davis Creek on U.S. Hwy 395. 1450 Comment
  CAS-BOT-BC376518  Crepis bakeri subsp. bakeri Florence Angwin 1946-5-10 s.n. Modoc Big Valley, 2 miles northwest of Adin 1280 Comment
  CAS-BOT-BC14883  Crepis modocensis Clare Butterworth Hardham 1961-6-18 7583 Modoc Mts. S of summit of Cedar Pass. Comment
  CAS-BOT-BC14914  Crepis modocensis Alice Eastwood; John Thomas Howell 1940-6-12 8091 Modoc Jess Valley. Comment
  JEPS89243  Crepis modocensis Lauramay T. Dempster 1961-6-18 1693 Modoc peak just s Cedar Pass Comment
  CAS-BOT-BC14862  Crepis occidentalis Bruce Bartholomew 1991-7-4 5916 Modoc Road between Roney Flat and Miller Flat. 1630 Comment
  CAS-BOT-BC14895  Crepis occidentalis subsp. occidentalis Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16388 Modoc 5 mi. E of State Hwy. 299 on Cedar Pass Road. Comment
  CAS-BOT-BC14852  Crepis occidentalis subsp. pumila John Thomas Howell 1934-6-11 11916 Modoc Parker Creek, Warner Mountains 1584 Comment
  HSC5450  Crepis occidentalis subsp. pumila M. T. Milligan 1965-7-1 411 Modoc Plateau W of Jess Valley. 1829 Comment
  CAS-BOT-BC14872  Crocidium multicaule Leland S. Smith 1919-4-20 1077 Modoc West of Alturas 1371 Comment
  SD53083  Crocidium multicaule Peter H. Raven 1962-5-29 17897 Modoc State Highway 139 at south road to Lava Beds National Monument. Comment
  SEINET9592040  Croton setiger M. J. Williams 1985-8-13 85- 67 -1 Modoc Road into S end of Big Sage Reservoir, NW of Alturas. 1524 Comment
  CDA4458  Crupina vulgaris Butch Kreps 1992-6-12 Modoc Kelley Spring, Modoc National Forest, Adin. 0 Comment
  CHSC111413  Crypsis schoenoides Lowell Ahart; John Dittes 2012-7-11 18348 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
  RSA0049592  Crypsis vaginiflora Dean Wm. Taylor 2013-9-6 21416 Modoc 1 mile South of Whalen Spring (ca. 15 air miles N of Bieber on Highway 299) 1328 Comment
  HSC3594  Cryptantha ambigua M. T. Milligan 1965-6-23 305 Modoc N end Jess Valley 1616 Comment
  CDA19937  Cryptantha ambigua D. Crum 2002-7-2 PDR 1151612 Modoc Northern California; Vicinity of Alturas 0 Comment
  UC857049  Cryptantha ambigua Milo S. Baker 1936-6-14 8311 Modoc several mi n Quarantine Station (along highway Malin to Canby) Comment
  CAS-BOT-BC54103  Cryptantha intermedia Alice Eastwood; John Thomas Howell 1940-6-11 8031 Modoc 8 mi. from Canby on road to Alturas. Comment
  CAS-BOT-BC54110  Cryptantha intermedia C. C. (Mrs.) Bruce 1893-6-1 84 Modoc Davis Creek. Comment
  CAS-BOT-BC54147  Cryptantha intermedia E. S. Willits 1940-5-17 260 Modoc Willow Ranch. 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
  HSC3584  Cryptantha muricata M. T. Milligan 1964-6-6 9 Modoc N side of Dorris Reservoir along shore 1372 Comment
  HSC80865  Cryptantha subretusa G. M. Riegel 1980-8-20 Modoc S Warner Mtns. 2780 Comment
  UC705774  Cryptantha subretusa Marion Ownbey, Fred G. Meyer 1940-7-1 2134 Modoc Cedar Pass Warner Mts. Comment
  CAS-BOT-BC54081  Cryptantha torreyana John Thomas Howell 1934-7-1 12348 A Modoc Duncan Horse Camp. 1355 Comment
  CAS-BOT-BC54122  Cryptantha torreyana John Thomas Howell 1934-6-13 12044 Modoc Fandango Pass, Warner Mountains 1828 Comment
  POM204142  Cryptantha torreyana J. T. Howell 1934-6-11 11984 Modoc Parker Creek, Warner Mts. 1585 Comment
  UC1222086  Cupressus bakeri C. O. Stone 1963-12-26 278 Modoc approximately 1.5 mi s Gassaway Reservoir; Quadrangle 16C2 1097 Comment
  JEPS43033  Cuscuta approximata Frances D. Payne 1932-7-22 732 Modoc s and e of Alturas; Warner Mountains, Parker Creek 1584 Comment
  CAS-BOT-BC95628  Cuscuta approximata Goss 1932-10-3 Modoc Modoc County. Comment
  UC24758  Cynoglossum occidentale Milo S. Baker 1893-7-10 Modoc Forestdale Comment
  CAS-BOT-BC242181  Cypripedium montanum Bruce Bartholomew; Barrett Anderson 1988-6-24 4331 Modoc Field redacted by CAS, contact the data manager for more information 2130 Comment
  CAS-BOT-BC242182  Cypripedium montanum K. Paulson; Robert Paulson 1988-6-19 46 Modoc Field redacted by CAS, contact the data manager for more information 1554 Comment
  HSC80873  Cystopteris fragilis G. M. Riegel 1980-9-3 1128 Modoc S Warner Mtns. 1829 Comment
  UC70669  Dactylis glomerata Mrs. M. H. Manning June 1903 407 Modoc north-eastern Modoc County Comment
  CAS-BOT-BC245219  Damasonium californicum John Thomas Howell 1934-6-15 12184 Modoc Alturas. Comment
  CHSC71892  Damasonium californicum Vernon H. Oswald; Lowell Ahart 1998-9-8 9596 Modoc County Rd. 95 at Taylor Creek northwest of Lookout and ca. 0.5 air mi northeast of Lookout Junction. 1280 Comment
  UC1536802  Damasonium californicum Gordon H. True Jr. 1930-6-25 1014 Modoc Boles Meadow n.w. of Alturas Comment
  CAS-BOT-BC242485  Danthonia unispicata Bruce Bartholomew; Barrett Anderson 1990-7-20 5538 Modoc Buck Creek between Del Pratt Spring and Howard Flat, W side of Warner Mts. 1990 Comment
  CAS-BOT-BC242490  Danthonia unispicata Bruce Bartholomew 1991-6-21 5818 Modoc N side of Mud Lake, 5.3 km S of Forest Service road 73 on road to Rim Rock Valley. 1570 Comment
  SD34479  Danthonia unispicata A. A. Beetle 1941-6-29 2834 Modoc Near summit of Mt Adin. 1829 Comment
  SEINET191905 Image available Danthonia unispicata C. L. Hitchcock 1940-4-28 6720 Modoc Near Suprise ca. 15 miles north of Alturas. 1402 Comment
  UC163598  Danthonia unispicata Milo S. Baker Modoc near Egg Lake Comment
  JEPS121206  Deinandra lobbii Lowell Ahart, John Dittes 2013-7-25 18958 Modoc 30 yards N of the E-W fence, south edge of Ash Creek Floodplain, NE of Patterson Homestead, E of Elkins Lane, 1.0 air miles S of County Road 87, 3.14 air miles W of Adin, Big Valley. Comment
  JEPS127155  Deinandra lobbii Lowell Ahart, John Dittes 2016-7-16 21252 Modoc About 1/8 mile south of Ash Creek, Ash Creek State Wildlife Area, 1 mile (air) south of County Road 87, 1.7 miles (air) southwest of Adin Big Valley. Comment
  RSA0118615  Deinandra lobbii Lowell Ahart, John Dittes 2013-7-25 18958 Modoc 30 yards north of the east-west fence, south edge of Ash Creek Floodplain, northeast of Patterson Homestead, east of Elkins Lane, 1.0 mile (air) south of County Road 87, 3.14 miles (air) west of Adin, Big Valley. 1267 Comment
  JEPS13486  Delphinium Rimo Bacigalupi with G. Thomas Robbins 1955-7-20 5395 Modoc 3.3 mi e Patterson Ranger Sta. (flat at summit of forest road across s end of mts.); Modoc Nat. Forest, Warner Mts. 2225 Comment
  JEPS86085  Delphinium Wayne Roderick 1966-7-23 Modoc Warner Mountains 1981 Comment
  CAS-BOT-BC217337  Delphinium andersonii M. M. Hanna 1956-6-5 Modoc Cedar Pass Camp ground. Comment
  RSA59726  Delphinium decorum subsp. tracyi E. K. Balls 1950-5-18 14745 Modoc Upper Rush Creek Public Camp, 2.5 miles E from Hwy 299. 1829 Comment
  CAS-BOT-BC217343  Delphinium depauperatum Bruce Bartholomew; Barrett Anderson 1990-7-20 5523 Modoc Tamarack Flat, E side of Warner Mts. 2150 Comment
  POM100694  Delphinium depauperatum R. M. Austin 1893-07 538 Modoc Goose Lake Valley. Comment
  CAS-BOT-BC217350  Delphinium nudicaule Bruce Bartholomew 1992-5-14 6280 Modoc SW side of White Horse Mountains, SW of White Horse Flat Reservoir. 1370 Comment
  CAS-BOT-BC217308  Delphinium nuttallianum Elmer Ivan Applegate 1932-7-9 7583 Modoc N slope of Bidwell Mountain, Warner Mountains. Comment
  CAS-BOT-BC217316  Delphinium nuttallianum Bruce Bartholomew 1990-6-15 5225 Modoc S end of Deer Spring Ridge, 0.2 km N of turn off to Knox Flat. 1920 Comment
  HSC25016  Delphinium nuttallianum M. T. Milligan 1964-7-25 190 Modoc Pine Creek Basin, along trail. 2439 Comment
  HSC25017  Delphinium nuttallianum M. T. Milligan 1964-6-17 42 Modoc 1 mi. N of Hwy. 139 on FS Rd. 44N15 1524 Comment
  RSA27686  Delphinium nuttallianum C. L. Hitchcock 1940-5-27 6705 Modoc 15 miles NE of Alturas. 1677 Comment
  CAS-BOT-BC217286  Delphinium stachydeum Elmer Ivan Applegate 1932-8-1 8001 Modoc S slope of Warner Mountains, Mill Creek Meadows region. 2438 Comment
  RSA520482  Delphinium stachydeum Bruce Bartholomew, B. Anderson 1989-6-2 4810 Modoc NE side of Upper Lake, 4km S of road to Fee Reservoir, NE end of Surprise Valley. 1420 Comment
  RSA8256  Delphinium stachydeum Elmer I. Applegate 1932-8-1 s.n. Modoc West slope Warner Mountains, Mill Creek Meadows region. 2439 Comment
  RSA575726  Deschampsia cespitosa subsp. cespitosa S. J. Darbyshire, J. Cayouette 1994-9-8 5461 Modoc north end of Tioga Lake; beside seepage stream in meadow 3050 Comment
  JEPS73978  Deschampsia danthonioides Frances D. Payne 1932-6-27 647 Modoc s. and e. of Alturas (Parker Creek); Warner Mts., Parker Creek 1584 Comment
  JEPS73979  Deschampsia danthonioides Frances D. Payne 1932-6-24 650 Modoc s. and e. of Alturas (Parker Creek); Warner Mts., Parker Creek 1584 Comment
  RSA504639  Deschampsia danthonioides Bruce Bartholomew, B. Anderson 1988-6-23 4251 Modoc 4.2 km NW of Day. 1020 Comment
  UCD61404  Deschampsia danthonioides A. A. Beetle 1941-6-29 2838 Modoc South slope of Mt. Adin. Comment
  UCR163264  Deschampsia danthonioides Jim Andre 1993-7-2 1429 Modoc Modoc Plateau, about 10 miles NW of Canby on Hwy 139, near NW end of Oak Ridge 1494 Comment
  HSC80821  Deschampsia elongata G. M. Riegel 1980-8-7 1006 Modoc S Warner Mtns. 2100 Comment
  UC70675  Deschampsia elongata Mrs. M. H. Manning 1904-7-9 4 Modoc n.e. Modoc Co. Comment
  RSA27333  Descurainia incana subsp. incisa C. L. Hitchcock 1940-5-27 6713 Modoc 15 miles NE of Alturas. 1677 Comment
  CAS-BOT-BC58622  Descurainia incisa K. Paulson; Robert Paulson 1988-6-29 67 Modoc N of Benton Meadow along Davis Creek, Warner Mts.. 1676 Comment
  NY125849  Descurainia incisa subsp. filipes B. M. Bartholomew 1988-5-13 4182 Modoc Juniper Flats, 10 km E of Likely on road to Jess Valley, W side of the Warner Mtns. 1450 Comment
  UC10806  Descurainia incisa subsp. filipes Mrs. R. M. Austin Jun 1898 2246 Modoc Lake City canyon; Lake City Comment
  UC1083170  Descurainia pinnata F. H. Frost 1925-5-24 2 Modoc Steamboat Canyon Comment
  CAS-BOT-BC58610  Descurainia pinnata subsp. brachycarpa John Thomas Howell 1934-6-13 12065 A Modoc Fandango Pass, Warner Mts. 1828 Comment
  POM94913  Descurainia pinnata subsp. filipes C. C. Bruce 1898-06 2246 Modoc Lake City Canon. 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
  RSA520437  Dicentra uniflora Bruce Bartholomew, M. Bourell 1990-4-28 5205 Modoc Top of Hunters Ridge south of Rush Creek 1960 Comment
  SJSU10166  Dichelostemma multiflorum R. L. Fisher 1958-6-13 Modoc near Adin Pass c. 6 mi S of Canby 1524 Comment
  UC748385  Dieteria canescens var. shastensis Annie M. Alexander and Louise Kellogg 1946-8-8 5122 Modoc Patterson Lake Trail Warner Mountains, Patterson Lake Trail Comment
  CAS-BOT-BC14847  Dimeresia howellii Dean William Taylor; G. L. Clifton 1987-6-27 9081 Modoc Warner Mts., Deep Creek. 1584 Comment
  CAS-BOT-BC14849  Dimeresia howellii Bruce Bartholomew 1991-5-24 5731 Modoc 2.9 km NE of road between Fort Bidwell and Fee Reservoir on road to Big Mud Lake. 1680 Comment
  UC705643  Dimeresia howellii Marion Ownbey and Fred G. Meyer 1940-7-1 2136 Modoc Cedar Pass; Warner Mts. Comment
  CHSC57228  Diplacus cusickii David M. Thompson 1988-7-23 975 Modoc E side of Warner Mts. 3.7 mi S of Hwy 299 (at Cedarville) along Surprise Valley Road, then 1.5 mi W along Granger Canyon Road. 1500 Comment
  CAS-BOT-BC234487  Diplacus nanus Alice Eastwood; John Thomas Howell 1940-6-15 8277 Modoc Near Perez. Comment
  CAS-BOT-BC234498  Diplacus nanus Annie Montague Alexander; L. Kellogg 1946-7-24 5075 Modoc Horse Mountain, Warner Mts. Comment
  CAS-BOT-BC95631  Dipsacus fullonum Bruce Bartholomew 1989-8-12 5137 Modoc 2 km W of Likely on County Road 60. 1370 Comment
  CAS-BOT-BC248374  Distichlis spicata Isabel T. Kelly 1930-1-1 59 Modoc Fort Bidwell Comment
  SJSU9645  Distichlis spicata W. Savage 1979-7-8 1476 Modoc Triangle, Fairchild Swamp Unit (NW corner), Devils Garden District 1493 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
  RSA534709  Dodecatheon alpinum subsp. majus Bruce Bartholomew 1991-8-5 6033 Modoc Squaw Co. Squae Peak Trail on N side of Squaw Peak, E side of Warner Mts. Seepage area. 2420 Comment
  RSA101504  Dodecatheon conjugens R. Weatherby 1955-7-7 1600 Modoc Dismal Swamp, No Warner Mts 2241 Comment
  RSA520479  Dodecatheon conjugens Bruce Bartholomew, B. Anderson 1989-4-28 4655 Modoc 11 km N of State Highway 299 and ca. 1 km S of Raker and Thomas Reservoir. Juniper shrub savannah. 1500 Comment
  CAS-BOT-BC218269  Dodecatheon conjugens var. conjugens Bruce Bartholomew; Barrett Anderson 1989-4-28 4655 Modoc 11 km N of State Highway 299 and ca. 1 km S of Raker & Thomas Reservoir. 1500 Comment
  CAS-BOT-BC218276  Dodecatheon conjugens var. conjugens Bruce Bartholomew; Barrett Anderson 1988-5-12 4119 Modoc S side of Egg Lake, ca. 1.5 km W of the Burlington Northern railroad track. 1300 Comment
  CAS-BOT-BC95121  Downingia bacigalupii E. S. Willits 1940-7-1 344 Modoc Davis Creek. Comment
  CAS-BOT-BC95126  Downingia bacigalupii R. M. Austin 1894-8-1 Modoc Goose Lake Valley. Comment
  CHSC109675  Downingia bacigalupii Lowell Ahart; John Dittes 2012-7-10 18322 Modoc Along the sides and bottom of a small deep drainage, northeast of the old homestead, Ash Creek State Wildlife Area, about 3.4 miles (air) west of Adin, about 8.2 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  CHSC23596  Downingia bacigalupii K. R. Stern; D. B. Joley, J. G. Geschke 1974-6-23 5844 Modoc Dry vernal pool on e side of railroad tracks, on n side of Whitehorse-Lookout Road. Comment
  JEPS117480  Downingia bacigalupii Lowell Ahart, John Dittes 2010-8-31 17124 Modoc About 400 yards west of Elkins Lane and the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley 1267 Comment
  JEPS119656  Downingia bacigalupii Lowell Ahart, John Dittes 2012-7-10 18322 Modoc Ash Creek State Wildlife Area, about 3.4 miles (air) west of Adin, about 8.2 miles (air) northeast of Bieber, Big Valley. Comment
  UC1051441  Downingia bacigalupii Herbert L. Mason 1955-8-14 14652 Modoc s end Goose Lake Comment
  RSA505679  Downingia bacigalupii G. H. True 1939-6-25 1034 Modoc Boles Meadow NE of Alturas. Comment
  UC1520666  Downingia bicornuta Noel H. Holmgren and Patricia K. Holmgren 1980-7-1 9452 Modoc 13 air mi wnw Canby (Calif Highway 139, 14.2 mi wnw of junction with U.S. Highway 299) 1463 Comment
  CAS-BOT-BC95128  Downingia bicornuta var. bicornuta Bruce Bartholomew 1991-6-23 5881 Modoc 7.4 km NE of Crowder Flat Road on road between Dorris Brothers Reservoir and Cow Head Tank. 1520 Comment
  CAS-BOT-BC95131  Downingia bicornuta var. bicornuta Bruce Bartholomew 1991-7-5 5954 Modoc 0.8 km N of State Hwy 139 on Forest Service road 46. 1520 Comment
  UC1116673  Downingia bicornuta var. bicornuta Beecher Crampton 1960-6-17 5701 Modoc 13 mi w Canby; McKay Flat 1280 Comment
  UC890611  Downingia bicornuta var. bicornuta Elmer I. Applegate 1932-7-30 7946 Modoc just s Alturas Comment
  UC1192037  Downingia insignis Herbert L. Mason and Verne Grant 1947-7-10 Modoc 2 mi e Alturas; Dorris Reservoir Comment
  CAS-BOT-BC95138  Downingia insignis Mrs. H. C. Cantelow 1940-5-31 4000 Modoc E of Canby. Comment
  HSC80857  Draba albertina G. M. Riegel 1980-8-9 1021 Modoc S Warner Mtns. 2183 Comment
  UC10508  Draba albertina Mrs. C. C. Bruce June 1898 2248 Modoc Lake City Canyon Comment
  UC1258361  Draba albertina Gregg Riegel 1980-8-13 1021 Modoc above lake (Pine Creek Basin, South Warner Mt. Wilderness); Modoc Natl For., South Warner Mt. Wilderness 2255 Comment
  UC1258362  Draba albertina Gregg Riegel 1980-8-12 1013 Modoc above lake (Pine Creek Basin, South Warner Mt. Wilderness); Modoc Natl For., South Warner Mt. Wilderness 2115 Comment
  CAS-BOT-BC58555  Draba densifolia C. C. (Mrs.) Bruce 1892-1-1 2133 Modoc Mountains. Comment
  UC748106  Draba densifolia Annie M. Alexander and Louise Kellogg 1946-8-9 5142 Modoc slope of Squaw Peak Warner Mountains, slope of Squaw Peak (Patterson Lake trail) Comment
  UC1587050  Draba verna G. Schoolcraft 1991-5-7 2134 Modoc s Dutch Flat Cr (at nw corner Round Valley); s of Dutch Flat Cr at nw corner of Round Valley 1310 Comment
  CAS-BOT-BC214770  Drymocallis glandulosa Bruce Bartholomew; Barrett Anderson 1990-7-19 5416 Modoc Top of Hunters Ridge S of Rush Creek. 1960 Comment
  CAS-BOT-BC214759  Drymocallis glandulosa var. reflexa Roxana Stinchfield Ferris; R. Duthie 1919-6-15 88 Modoc Near Parker Creek, Modoc Nat. Forest. 1676 Comment
  JEPS47208  Drymocallis glandulosa var. reflexa Frances D. Payne 1931-6-21 221 Modoc at base of cliffs on ridge w Dry Creek (s and e of Alturas, tributary of Parker Creek); Warner Mountains, Parker Creek, ridge w of Dry Creek 1981 Comment
  CAS-BOT-BC14803  Dugaldia hoopesii Annie Montague Alexander; L. Kellogg 1946-8-3 5114 Modoc Head of Eagle Creek, Warner Mountains Comment
  RSA504835  Dugaldia hoopesii Bruce Bartholomew, B. Anderson 1988-7-23 4565 Modoc Dismal Swamp, Warner Mountains. 2180 Comment
  CHSC99956  Dysphania ambrosioides Lowell Ahart; John Dittes 2008-8-25 15322 Modoc On the east bank (flood plane) of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout. 1273 Comment
  CHSC70776  Echinochloa crus-galli A. Sanger 1997-9-23 2658 Modoc Willow Creek 1 mile east of Clear Lake. In meadow along creek. 1371 Comment
  JEPS117937  Elaeagnus angustifolia L. P. Janeway, B. Castro 2008-8-16 9539 Modoc Surprise Valley Modoc Plateau (east side of Middle Alkali Lake, north side of Hwy 299 8.2 km east of Cedarville.) 1370 Comment
  UC1101554  Elatine ambigua Herbert L. Mason 1947-7-10 13347 Modoc 2 air mi e Alturas (on little island); Doris Reservoir Comment
  CHSC112826  Elatine californica Lowell Ahart; John Dittes 2013-7-24 18918 A 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
  JEPS127189  Elatine californica Lowell Ahart, John Dittes 2016-7-14 21211 -A Modoc South of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. Comment
  JEPS127157  Elatine rubella Lowell Ahart, John Dittes 2016-7-14 21169 Modoc South of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. Comment
  RSA210828  Elatine rubella R. F. Thorne, James Henrickson, C. W. Tilforth, K. Thorne 1969-9-4 39103 Modoc N Fork of Pit River 3.4 mi N of Alturas where crossed by Hwy 395. 1341 Comment
  UC190419  Eleocharis bella M. S. Baker and Frank Nutting 1894-8-20 Modoc Forestdale 1371 Comment
  CAS-BOT-BC242378  Eleocharis macrostachya John H. Hatton 1911-6-15 115 Modoc Spaulding's meadows. 1463 Comment
  UC1142956  Eleocharis macrostachya A. L. Hormay 1941-6-23 34 Modoc Spaulding Reservoir Modoc National Forest Comment
  UC1830  Eleocharis macrostachya Milo S. Baker 1893-7-27 Modoc Comment
  CHSC117762  Eleocharis pachycarpa L. P. Janeway 2016-5-18 12073 Modoc Modoc Plateau. Devils Garden area; Island Meadow, along Road 47N08 2.1 road-km north of Road 73/181/47N09. Broad flat meadow in rolling terrain of yellow pine and juniper. 1606 Comment
  SD225711  Eleocharis pachycarpa Carol Witham, Jennifer Buck 2001-5-10 203 Modoc 5 miles NE along Hwy 139 from intersection with Hwy 299, south of Hwy 139, Canby site, pool #CAN001. Comment
  CAS-BOT-BC242387  Eleocharis quinqueflora Louis Cutter Wheeler 1935-8-15 3862 Modoc Dismal Swamp. 2225 Comment
  POM313060  Eleocharis quinqueflora Malcolm A. Nobs, Calvin McMillan 1949-6-16 796 Modoc Dry Valley Reservoir, 33 miles north-northwest of Alturas Comment
  CHSC85154  Elodea canadensis John Dittes; Josephine Guardino 1991-7-21 407 Modoc Modoc Plateau; Big Valley; Ash Creek Wildlife Area; ca. 5.7 air-miles northeast of Bieber, ca. 7.6 air-miles west of Adin, ca. 1.5 air-mile southeast of Pilot Butte summit; in channel at northern edge of Ash Creek Floodplain (Big Swamp) at southeast base of Pilot Butte. 1258 Comment
  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
  UC70405  Elodea canadensis Milo S. Baker 1899-8-12 Modoc Egg Lake Comment
  RSA603668  Elymus X hansenii L. C. Wheeler 1935-8-4 3781 Modoc Warner Mts., Dry Lake, Pine Creek 2104 Comment
  RSA603669  Elymus X hansenii L. C. Wheeler 1935-8-4 3779 Modoc Warner Mts., Dry Lake, Pine Creek 2104 Comment
  UC1026707  Elymus X saundersii Leo Whitney 1935-7-27 3552 Modoc ca 15 mi nw Canby (bed of river); Modoc National Forest, Hackamore River 1463 Comment
  UCD51674  Elymus X saundersii Beecher Crampton 1960-6-17 5691 Modoc 5 miles south of Perez, Plant Quarantine area. 1371 Comment
  UC1137030  Elymus X saxicola August L. Hormay 1932-7-18 Modoc 2 mi s Badger Well Springs Comment
  HSC9676  Elymus caput-medusae M. T. Milligan 1964-7-1 108 Modoc Ballard's Reservoir Rd. 1 mi. S of Modoc County Rd. 54 1372 Comment
  UCD61554  Elymus elymoides L. D. Whitney 1935-7-5 Modoc Hackamore. Comment
  CAS-BOT-BC247742  Elymus elymoides subsp. elymoides Bruce Bartholomew 1990-6-17 5318 Modoc E side of Surprise Valley, 9.6 km E of Eagleville at the Nevada border. 1580 Comment
  CAS-BOT-BC247760  Elymus elymoides subsp. elymoides Bruce Bartholomew 1989-7-15 4995 Modoc Sweagert Flat. 1860 Comment
  JEPS74072  Elymus elymoides subsp. elymoides Frances D. Payne 1932-7-3 590 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  UCD61796  Elymus glaucus L. Whitney 1935-7-6 Modoc Pit River. Stone Coal Valley. Comment
  HSC8745  Elymus spicatus M. T. Milligan 1965-6-30 383 Modoc E of Jess Valley. 1707 Comment
  UC1037185  Elymus trachycaulus Leo Whitney 1935-7-23 3571 Modoc USBE Plot Modoc Nation Forest, Happy Camp (15 mi w of Canby) 1463 Comment
  CAS-BOT-BC247727  Elymus trachycaulus subsp. trachycaulus Roxana Stinchfield Ferris; L. Lorraine 1941-8-14 10588 Modoc 3 mi. from Patterson Ranger Station on road to Eagleville. Comment
  SJSU9661  Elymus trachycaulus subsp. trachycaulus W. Savage 1979-7-9 1499 Modoc Round Valley, Triangle, Devils Garden District, Modoc National Forest 1493 Comment
  POM195139  Elymus trachycaulus subsp. trachycaulus H. M. Hall 1923-8-6 11858 Modoc Toulumne Meadows. Dana Fork. 2622 Comment
  SEINET6657087  Elymus triticoides Leo Whitney 1935-8-7 3611 Modoc Lake Joaquina, Hackamore, ca. 15 miles northwest of Canby, Modic National Forest.; 0 1463 Comment
  CHSC118819  Epilobium brachycarpum L. P. Janeway 2014-7-8 11474 Modoc Modoc Palteau. East corner 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
  HSC35737  Epilobium brachycarpum D. H. Norris, T. Nelson, S. Dowty 1971-6-23 19405 Modoc Along Hager Basin Rd. near Big Sage Reservoir. Comment
  RSA101357  Epilobium brachycarpum R. Weatherby 1955-7-8 1626 Modoc 6 miles north of Fort Bidwell, northern Warner Mountains 1784 Comment
  RSA164390  Epilobium brachycarpum Clare B. Hardham 1961-6-19 7820 Modoc Warner Mountains: Willow Creek; Davis Creek 1524 Comment
  SEINET200138  Epilobium brachycarpum Verne Grant, Irving Schneider 1947-8-27 8308 Modoc Modoc National Forest ; Sagebrush flat about 10 miles south of Tule Lake Comment
  JEPS117166  Epilobium campestre Lowell Ahart, John Dittes 2010-8-30 17058 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
  CAS-BOT-BC190995  Epilobium ciliatum subsp. ciliatum Verne Grant; I. Schneider 1947-7-19 8079 Modoc Southern Pacific right-of-way, Williams Ranch between Alturas and Likely. 1219 Comment
  CAS-BOT-BC190980  Epilobium ciliatum subsp. glandulosum K. Paulson; Robert Paulson 1989-7-14 186 Modoc Vicinity of Cave Lake, N end of the Warner Mts. 1987 Comment
  JEPS39326  Epilobium clavatum W. L. Jepson 1918-8-13 7979 Modoc Eagle Peak Warner Mts. 3017 Comment
  CAS-BOT-BC190975  Epilobium densiflorum Bruce Bartholomew 1992-8-10 6400 Modoc Rush Creek just N of Round Valley on Highway 299. 1350 Comment
  JEPS31480  Epilobium densiflorum Frances D. Payne 1933-8-5 770 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  HSC75591  Epilobium hallianum G. M. Riegel 1980-8-7 1012 Modoc S Warner Mtns. 1670 Comment
  NY1000358  Epilobium hallianum B. M. Bartholomew 1991-8-5 6042 Modoc Squaw Peak Trail on north side of Squaw Peak, east side of Warner Mountains 2420 Comment
  NY1000359  Epilobium hallianum B. M. Bartholomew 1991-7-4 5909 Modoc Roney Flat 1460 Comment
  RSA41235  Epilobium hallianum A. M. Alexander, Louise Kellogg 1946-6-30 4873 Modoc Highgrade, west side of ridge, north end of Warner Mountains 2378 Comment
  CAS-BOT-BC190956  Epilobium hornemannii subsp. hornemannii Bruce Bartholomew; Barrett Anderson 1988-7-23 4571 Modoc Dismal Swamp, Warner Mts.. 2180 Comment
  CAS-BOT-BC190960  Epilobium hornemannii subsp. hornemannii Bruce Bartholomew 1991-8-5 6035 Modoc Squaw Peak Trail on N side of Squaw Peak, E side of Warner Mts. 2420 Comment
  RSA27905  Epilobium hornemannii subsp. hornemannii C. L. Hitchcock 1940-5-27 6710 Modoc 15 miles northeast of Alturas. 1616 Comment
  CAS-BOT-BC190942  Epilobium oregonense Bruce Bartholomew 1994-7-3 6840 Modoc E side of the Warner Mountains on the road from Lily Lake to Fort Bidwell. 1980 Comment
  UC20219  Epilobium oregonense Milo S. Baker 1893-6 Modoc Comment
  CAS-BOT-BC190867  Epilobium pygmaeum Verne Grant; I. Schneider 1947-7-29 8177 Modoc Payne Reservoir, S of Alturas. 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-BC190927  Epilobium pygmaeum Peter Hamilton Raven; Otto Thomas Solbrig 1958-6-18 13332 Modoc Eastern outskirts of Lookout. Comment
  CAS-BOT-BC30223  Equisetum arvense Bruce Bartholomew 1989-7-14 4927 Modoc Along Rush Creek between Lower and Upper Rush Creek Campgrounds. 1580 Comment
  RSA26204  Equisetum arvense Alice Eastwood, J. T. Howell 1940-6-13 8182 Modoc East side of Cedar Pass Comment
  HSC101860  Eragrostis minor J. P. Smith 2011-8-7 13358 Modoc Along Jesse Valley Road, E of Likely, just E of the bridge over the Pit River. 1372 Comment
  CAS-BOT-BC95482  Eremogone aculeata Clare Butterworth Hardham 1961-6-18 7581 Modoc Cedar Pass. 1828 Comment
  CAS-BOT-BC95491  Eremogone aculeata John H. Hatton 1911-6-20 130 Modoc Near Bolles meadows, Lava-Juniper country. 1524 Comment
  SBBG30591  Eremogone aculeata D. Myrick 1968-6-20 1969 Modoc Cedar Pass Rd, St Hwy 299, 12 mi E of Alturas 1524 Comment
  CHSC100389  Ericameria bloomeri Lowell Ahart; John Dittes 2008-8-26 15337 Modoc Southeast side of Rose Creek, 750 feet southwest of confluence of Rose Creek and Pit River, on the northwest side of unnamed road,, 2660 feet east of intersection with County Road 85a, 9.3 miles (air) north-northeast of Lookout. 1276 Comment
  HSC5736  Ericameria bloomeri M. T. Milligan 1966-7-29 492 Modoc Slopes and ridges E of Jess Valley 1677 Comment
  RSA608600  Ericameria bloomeri L. C. Wheeler 1935-9-9 3960 Modoc Devils Garden: 1 mile NE of South Mountain 1524 Comment
  UC295950  Ericameria bloomeri H. M. Hall 1925-8-30 12209 Modoc 30 mi from Lakeview (mt slopes e side of Goose Lake); Goose Lake Comment
  UCR57485  Ericameria bloomeri R. D. Goeden, Don W. Ricker 1989-8-24 31 Modoc Modoc National Forest, near Happy Camp Mountain 1466 Comment
  CAS-BOT-BC14810  Ericameria bloomeri Harvey Monroe Hall 1921-9-9 11667 Modoc Northern Modoc County. Comment
  UCR150529  Ericameria discoidea David A. Charlet 1989-8-13 219 Modoc Warner Mountains, N face of Eagle Peak 2927 Comment
  CAS-BOT-BC14822  Ericameria greenei Bruce Bartholomew 1990-8-4 5628 Modoc Slope on N side of Pine Creek Basin on trail to Patterson Lake, W side of Warner Mts. 2610 Comment
  UC748095  Ericameria greenei Annie M. Alexander and Louise Kellogg 1946-8-9 5132 Modoc on slope above Patterson Lake; Warner Mountains, Patterson Lake Comment
  CAS-BOT-BC298194  Ericameria nauseosa var. oreophila Elmer I. Applegate 1932-8-6 8199 Modoc E side of Middle Lake, Surprise Valley Comment
  UC1192131  Ericameria nauseosa var. oreophila Herbert L. Mason and Verne Grant 1947-7-12 13409 Modoc sw of Alturas (w side of the South Fork of Pit River Valley; Vernal pool); South Fork of Pit River Valley Comment
  UC1281347  Ericameria nauseosa var. speciosa H. E. McMinn 1931-5-23 2478 Modoc Warren Mts., Fandango Pass Comment
  UC990714  Ericameria nauseosa var. speciosa Roxana S. Ferris 1951-9-14 12464 Modoc between Adel, Oregon and Fort Bidwell (at California State line, e face of Warner Mountains); Warner Mountains Comment
  UCD131549  Ericameria parryi var. nevadensis Louis C. Wheeler 1973-8-26 s.n. Modoc Warner Mountains: 1.5 mile north of Sworinger Reservoir. 1767 Comment
  CAS-BOT-BC42840  Erigeron austiniae Bruce Bartholomew 1993-6-14 6650 Modoc 2 km E of County Road 114 on County Road 108, NW of Clear Lake Reservoir. 1320 Comment
  SEINET11841740  Erigeron bloomeri A. Seneres, Harold, N. 1983-1 113 Modoc Plum Valley Camp 1684 Comment
  CAS-BOT-BC42806  Erigeron bloomeri var. bloomeri Barrett Anderson 1986-7-9 3134 Modoc Roney Flat Rd just off Hwy 299. 1435 Comment
  CAS-BOT-BC42844  Erigeron bloomeri var. bloomeri Bruce Bartholomew 1990-6-16 5277 Modoc Bear Flat, W side of Warner Mountains. 1830 Comment
  UCSB16751  Erigeron bloomeri var. bloomeri Dearing, Hugh; Dearing, Margaret 1939-6-9 Modoc Near Squaw Peak, Warner Mts. 2133 Comment
Read comments
May 24 2013
  CAS-BOT-BC42801  Erigeron bloomeri var. bloomeri Mrs. H. C. Cantelow 1940-6-2 3226 Modoc NW of Canby. Comment
  CAS-BOT-BC42819  Erigeron coulteri Annie M. Alexander; Louise Kellogg 1946-8-3 5109 Modoc Head of Eagle Creek, Warner Mountains Comment
  CAS-BOT-BC42825  Erigeron divergens Barrett Anderson 1986-7-9 3160 Modoc County Rd 195 just E of Cedar Pass, Warner Mountains 1785 Comment
  JEPS127166  Erigeron divergens Lowell Ahart, John Dittes 2016-7-14 21154 Modoc South of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. Comment
  SBBG8089  Erigeron divergens H. and M. Dearing 1939-6-7 3572 Modoc near Adin Comment
  UCR67037  Erigeron divergens George K. Helmkamp 1990-9-23 I- 11 Modoc Warner Mtns, Goose Lake, within 0.1 mi of the Oregon border 1476 Comment
  UC468814  Erigeron divergens M. F. Gilman 658 Modoc Comment
  CAS-BOT-BC42787  Erigeron eatonii var. plantagineus Roxana Stinchfield Ferris; L. Lorraine 1941-8-14 10585 Modoc 3 mi. from Patterson Ranger Station on road to Eagleville, Warner Mountains Comment
  POM357577  Erigeron eatonii var. plantagineus Christopher Davidson 1973-5-26 2139 Modoc 1 mile N of Adin Summit on St. Hwy 299; Modoc Nat'l Forest 1524 Comment
  UC444441  Erigeron eatonii var. plantagineus Mrs. R. M. Austin and Mrs. Bruce July 1898 2311 Modoc Lake Shore Comment
  HSC81104  Erigeron eatonii var. plantagineus G. M. Riegel 1980-8-13 1063 Modoc S Warner Mts. 2100 Comment
  CAS-BOT-BC49626  Erigeron filifolius Alice Eastwood; John Thomas Howell 1940-6-13 8158 Modoc E side of Fandango Pass. Comment
  CAS-BOT-BC49628  Erigeron filifolius Annie Montague Alexander; L. Kellogg 1946-7-17 4999 Modoc South Fork Davis Creek, Warner Mountains 1676 Comment
  CAS-BOT-BC49631  Erigeron filifolius John Thomas Howell 1934-6-30 12283 Modoc Duncan Horse Camp. 1355 Comment
  UC748367  Erigeron glacialis var. glacialis Annie M. Alexander and Louise Kellogg 1946-7-2 4897 Modoc Dismal Swamp, n end of Warner Mountains; , Dismal Swamp 2255 Comment
  CAS-BOT-BC49605  Erigeron linearis Bruce Bartholomew; Barrett Anderson 1989-6-2 4802 Modoc 6.4 km E of Fort Bidwell on road to Fee Reservoir, NE corner of Surprise Valley. 1460 Comment
  CHSC118316  Erigeron linearis L. P. Janeway 2016-5-17 12032 Modoc Devils Garden area; along Road 43N18 just east of Porcupine Rim; about 4.0 air-km west of Big Sage Reservoir. 1555 Comment
  UC31504  Erigeron linearis Mrs. R. M. Austin Jun 1894 Modoc lava beds e Emigrant Springs Comment
  RSA540065  Erigeron peregrinus subsp. callianthemus Bruce Bartholomew, B. Anderson 1990-7-20 5505 Modoc Tamarack Flat, E side of Warner Mts. 2150 Comment
  POM36265  Erigeron pumilus subsp. intermedius Mrs. R. M. Austin 1895-08 574 Modoc Alturas Comment
  UC217539  Eriogonum baileyi var. baileyi H. M. Hall 1921-9-9 11664 Modoc 6 mi Malin Comment
  UC725580  Eriogonum collinum A. A. Heller 1938-6-23 15208 Modoc along U.S. Highway 395 about midway between Mapes and Secret Valley Comment
Read comments
Jun 1 2009
  HSC80736  Eriogonum douglasii G. M. Riegel 1980-8-13 1064 Modoc S Warner Mtns. 1829 Comment
  RSA293359  Eriogonum douglasii var. douglasii Reino Alava 1957-7-5 1155 Modoc Cedar Pass, Modoc National Forest, Warner Mountains Comment
  CAS-BOT-BC197829  Eriogonum douglasii var. meridionale P. Monnet 1913-7-1 903 Modoc Warner's Peak, Warner's Range. 2926 Comment
  CHSC117047  Eriogonum douglasii var. meridionale Lowell Ahart; John Dittes 2016-6-6 20950 Modoc About 40 yards west of the dirt road, about 50 yards southwest of the intersection of County Road 87 and Access Road to Pilot Butte Parking Area, northeast base of Pilot Butte, 3.8 miles (air) east of Lookout, 7.5 miles (air) west of Adin, Ash Creek State Wildlife Area. 1271 Comment
  UC465987  Eriogonum elatum Mrs. M. H. Manning 1907-1 Modoc 12 Mile Creek Mt. Bidwell, 12 Mile Creek Comment
  CHSC109516  Eriogonum elatum var. elatum L. P. Janeway; B. Castro 2012-7-25 10994 Modoc Warner Mountains. Low broad ridge 1.1 km east of Dismal Swamp. 2250 Comment
  CAS-BOT-BC197811  Eriogonum heracleoides var. heracleoides J. L. Reveal; Darin Scott Reveal 1978-8-11 4824 Modoc Warner Mts., Dismal Swamp, about 2 mi. N of Modoc Co. Road 2, at the NW end of Dismal Swamp S of Dismal Creek. 2225 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
  NY280768  Eriogonum heracleoides var. heracleoides B. M. Bartholomew 1990-7-20 5483 Modoc 10.3 km N of Buck Creek Ranger Station, crest of Warner Mountains W side of Warner Mts. 2130 Comment
  HSC80880  Eriogonum marifolium var. marifolium G. M. Riegel 1978-8-31 176 Modoc S Warner Mtns. 1829 Comment
  CAS-BOT-BC197804  Eriogonum microthecum var. laxiflorum Elmer Ivan Applegate 1921-9-2 3342 Modoc Dry Lake. Comment
  CAS-BOT-BC498762  Eriogonum nudum L. S. Smith no date on label; likely 1924 1431 Modoc Modoc Forest Comment
  CAS-BOT-BC211408  Eriogonum nudum var. pubiflorum Bruce Bartholomew; Barrett Anderson 1988-7-23 4556 Modoc Road beyond Poison Lake ca. 8 km S of the road from U.S. Highway 395 to Lily Lake, Warner Mts.. 2140 Comment
  CAS-BOT-BC211416  Eriogonum nudum var. pubiflorum M. M. Hanna 1956-6-5 Modoc E side of Cedar Pass. Comment
  CAS-BOT-BC211437  Eriogonum nudum var. pubiflorum Alice Eastwood; John Thomas Howell 1940-6-13 8114 Modoc Surprise. Comment
  CAS-BOT-BC211443  Eriogonum nudum var. pubiflorum Roxana Stinchfield Ferris; R. Duthie 1919-6-15 190 Modoc Above Parker Creek near Modoc Nat. Forest. Comment
  CAS-BOT-BC211450  Eriogonum nudum var. pubiflorum John Thomas Howell 1934-7-1 12314 Modoc Duncan Horse Camp. 1355 Comment
  UC77614  Eriogonum nudum var. pubiflorum Mrs. R. M. Austin Aug. 1884 Modoc Goose Lake Valley Comment
  RSA273322  Eriogonum nudum var. pubiflorum Thomas W. Nelson, Jane P. Nelson, James Nelson 1976-8-29 3257 Modoc Modoc National Forest, Growing beside highway 299 just northwest of Adin Pass. 1524 Comment
  RSA601674  Eriogonum nudum var. pubiflorum Louis C. Wheeler 1935-8-14 3840 Modoc Pine Creek. Warner Mtns. 2012 Comment
  UC849762  Eriogonum nudum var. pubiflorum Lewis S. Rose 1940-6-13 40557 Modoc 1 mi w Cedarville 1524 Comment
  RSA164358  Eriogonum ovalifolium var. multiscapum Clare B. Hardham 1961-6-18 7549 Modoc Hills southeast of Cedar Pass 1829 Comment
  CAS-BOT-BC218195  Eriogonum prociduum Bruce Bartholomew 1992-8-9 6397 Modoc Summit Trail, upper region of Pine Creek Basin, W side of Warner Mountains. 2680 Comment
  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
  UCD101199  Eriogonum sphaerocephalum Beecher Crampton; Carl Rimbey 1954-7-6 2122 Modoc 6 miles east of Alturas, along road 56, Collis Ranch. Comment
  CAS-BOT-BC211382  Eriogonum sphaerocephalum var. halimioides Margaret J. Williams 1983-7-29 83- 116 -6 Modoc 1.1 mi N of Stowe Reservoir Campground, N of Cedar Pass, Warner Mts. 2087 Comment
  CAS-BOT-BC262721  Eriogonum sphaerocephalum var. halimioides A. A. Heller 1938-6-24 15224 Modoc On slopes between Alturas and Canby 1341 Comment
  JEPS126553  Eriogonum sphaerocephalum var. halimioides Lowell Ahart, John Dittes 2016-6-6 20953 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
  RSA739633  Eriogonum sphaerocephalum var. halimioides L. P. Janeway, B. Castro 2008-8-17 9575 Modoc Warner Mtns, 2.4km E of Bald Mtn, broad Saddle betw Daniels Creek and an unnamed northern branch of Soldier Creek. 2209 Comment
  CAS-BOT-BC211353  Eriogonum strictum subsp. anserinum Louis Cutter Wheeler 1935-8-5 3790 Modoc Pine Creek, Warner Mts. 2377 Comment
  CAS-BOT-BC211362  Eriogonum strictum subsp. anserinum Elmer Ivan Applegate 1936-7-5 10524 Modoc Lava Beds National Monument. Junction of Medicine Lake and Indian Cave Road. Comment
  CAS-BOT-BC211329  Eriogonum umbellatum var. dichrocephalum Louis Cutter Wheeler 1935-8-14 3843 Modoc Pine Creek, Warner Mts. 2011 Comment
  NY399145  Eriogonum umbellatum var. dichrocephalum N. H. Holmgren 1964-8-22 1720 Modoc Warner Range, just below the top of Eagle Peak 3027.9 Comment
  CHSC109500  Eriogonum umbellatum var. modocense L. P. Janeway; B. Castro 2012-7-26 11011 Modoc Warner Mountains. Top of Yellow Mountain; topmost part and wster edge (at the edge of a steep dropoff to the northwest). 2463 Comment
  JEPS56186  Eriogonum umbellatum var. modocense W. L. Jepson 1918-8-7 7865 Modoc Mt. Bidwell 2286 Comment
  RSA759523  Eriogonum umbellatum var. modocense James L. Reveal 2007-6-3 8827 Modoc Along California Highway 299, 0.6 miles east of County Road 58 and 6.2 miles east of the U. S. Highway 295, rocky slopes above Thoms Creek. 1585 Comment
  UC85975  Eriogonum umbellatum var. modocense Oliver Austin July 1884 Modoc Goose Lake Valley Comment
  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
  CAS-BOT-BC197783  Eriogonum umbellatum var. nevadense Elmer Ivan Applegate 1932-8-1 7996 Modoc N of Mill Creek Meadows, Warner Mts. Comment
  NY399274  Eriogonum umbellatum var. nevadense B. Anderson 1986-7-9 3158 Modoc Warner Mountains. Highway 299 just west of Cedar Pass. 1920 Comment
  RSA293360  Eriogonum umbellatum var. nevadense Reino Alava 1957-7-5 1156 Modoc Cedar Pass, Modoc National Forest, just east of the camp ground Comment
  CAS-BOT-BC197618  Eriogonum umbellatum var. polyanthum E. S. Willits 1940-6-5 327 Modoc Canby. Comment
  CAS-BOT-BC197625  Eriogonum umbellatum var. polyanthum J. L. Reveal 1971-6-22 2461 Modoc Along U.S. Highway 395 at Davis Creek. 1432 Comment
  CAS-BOT-BC197777  Eriogonum umbellatum var. polyanthum Annie Montague Alexander; L. Kellogg 1946-7-30 5094 Modoc East slope below summit of Eagle Peak. Comment
  SEINET5331991  Eriogonum umbellatum var. polyanthum M. J. Williams 1984-7-1 84- 87 -6 Modoc NW of Alturas, Crowder Flat Road, near Big Sage Reservoir. 1372 Comment
  CAS-BOT-BC197606  Eriogonum vimineum J. L. Gentry; E. Jensen 1968-7-4 2112 Modoc 15.2 mi. NW of Hwy. jct. Calif. 139 and Calif. 299, on Calif. 139. 1447 Comment
  HSC81004  Eriogonum vimineum G. M. Riegel 1980-7-14 869 Modoc S Warner Mtns. 1829 Comment
  JEPS119673  Eriogonum vimineum Lowell Ahart, John Dittes 2012-7-12 18352 Modoc In the parking area on the east side of Elkins Lane, northeast of homestead, about 300 yards north of the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. Comment
  NY399608  Eriogonum vimineum B. Anderson 1986-7-9 3162 Modoc Warner Mountains. County road 195 just east of Cedar Pass 1785 Comment
  SEINET3872965  Eriogonum vimineum Richard R. Halse 2010-8-25 8084 Modoc Along State Hwy. 139 ca 25.5 miles northwest of its junction with State Hwy. 299; Modoc National Forest.; 0 1278 Comment
  POM145868  Eriogonum vimineum Francis Drouet, Donald Richards 1941-9-10 4142 Modoc in open woods on the hills 2 mi. northwest of Alturas, 1341 Comment
  RSA534708  Eriogonum vimineum Bruce Bartholomew 1991-6-22 5856 Modoc NE side of Surprise Valley on roas to Fee Reservoir, 6.4 km. E of Fort Bidwell. Rocky sry slopes 1490 Comment
  SEINET10299473  Eriogonum vimineum J. M. Tucker 1951-7-25 1971 Modoc Beside highway 139, 26.4 miles southeast of Tule Lake Comment
  UCD101517  Eriogonum vimineum var. vimineum Johnnie L. Gentry Jr. 1968-7-4 2112 Modoc 15.2 miles northwest of Hwy. jct. Calif. 139 and Calif. 299, on Calif. 139. 1447 Comment
  CAS-BOT-BC49591  Eriophyllum lanatum Francis Dorris Payne 1934-8-29 s.n. Modoc Parker Creek. 1584 Comment
  CAS-BOT-BC49596  Eriophyllum lanatum Alice Eastwood; John Thomas Howell 1940-6-13 8112 Modoc Surprise Valley. Comment
  UCR34488  Eriophyllum lanatum J. A. Harpel 1981-8-7 V- 51 Modoc Warner Mtns, South Warner Wilderness Area, Pine Creek Basin Trail, 7 mi. NW of Eagleville 2490 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
  SEINET11840143  Eriophyllum lanatum var. achilleoides D. E. Johnson, Eckenwalder, J. E. 1974-1 131 Modoc Warner Mountains, just W of summit of Cedar Pass on Hwy 299 (Alturas-Cedarville Rd) 1920 Comment
  UC190612  Eriophyllum lanatum var. achilleoides M. F. Gilman Modoc Comment
  JEPS86329  Eriophyllum lanatum var. integrifolium Jack and Betty Guggolz 1988-6-29 962 Modoc slope to the n of Jenkins Spring Comment
  CAS-BOT-BC180081  Erodium cicutarium Elmer Ivan Applegate 1897-5-31 882 Modoc Bloody Point, Tule Lake. Comment
  CAS-BOT-BC180082  Erodium cicutarium Leland S. Smith 1919-5-7 1094 Modoc Clarke Ranch, Jess Valley. 1600 Comment
  CHSC106338  Eryngium alismifolium Lowell Ahart; John Dittes 2010-8-30 17063 Modoc About 5 yards east of the fence, south edge of the meadow, Ash Creek State Wildlife Area, 2,300 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  CHSC71845  Eryngium alismifolium Vernon H. Oswald; Lowell Ahart 1998-9-8 9599 Modoc Mosquito Lake on the north side of Whitehorse Flat Reservoir ca. 20 air mi north of McArthur. 1341 Comment
  UC55252 Image available Eryngium alismifolium Milo S. Baker 1894-8-25 Modoc Egg Lake; ; Egg Lake, Modoc Co. Comment
  UC1051434  Eryngium articulatum Herbert L. Mason 1955-8-14 14650 Modoc s. end Goose Lake Comment
  UC21003  Eryngium articulatum M. S. Baker and Frank Nutting 1894-8-30 Modoc near Forestdale Comment
  UC809837  Eryngium articulatum G. L. Stebbins Jr. with P. Dansereau, C. McMillan, and K. Narayan 1949-8-7 4012 Modoc 35 mi. s. Tule Lake (Mud Lake); Mud Lake 1524 Comment
  CHSC66978  Eryngium mathiasiae James D. Jokerst 1987-6-23 2933 Modoc Radar Survey Site s of Doublehead Mtn., off-site survey at a large dry lake ca. 0.66 mi E of Lone Pine Lake and ca. 1.3 mi S of Doublehead Lake. Comment
  POM95422  Erysimum capitatum Mrs. R. M. Austin, Bruce 1898-06 2252 Modoc Lake City Mt. Comment
  CAS-BOT-BC58330  Erysimum capitatum var. capitatum Elmer Ivan Applegate 1932-8-1 8030 Modoc Arid summit of Warner Mts. just S of Warren Peak. Comment
  CAS-BOT-BC229903  Erythranthe breweri Annie Montague Alexander; L. Kellogg 1946-7-1 4888 Modoc 0.5 mi. E of Bidwell Creek road summit. Comment
  CHSC79576  Erythranthe inflatula S. E. Schoenig 1998-7-5 98 -70 Modoc SW shore of Moll Reservoir, 2 meters from waters edge. 1499 Comment
Read comments
May 29 2009
  CHSC110050  Erythranthe latidens Lowell Ahart 2012-7-12 18373 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 5 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  CAS-BOT-BC234528  Erythranthe lewisii Bruce Bartholomew; Barrett Anderson 1988-7-22 4525 Modoc Mill Creek, Lake City Canyon, 5.5 km W of Lake City, E side of the Warner Mts.. 1860 Comment
  CAS-BOT-BC234515  Erythranthe microphylla Bruce Bartholomew 1991-7-4 5921 Modoc Miller Flat. 1620 Comment
  CAS-BOT-BC234467  Erythranthe pulsiferae Leland S. Smith 1924-5-31 1362 Modoc Egg Lake Ranch. 1310 Comment
  CAS-BOT-BC234473  Erythranthe pulsiferae Bruce Bartholomew 1995-6-1 6917 Modoc NW edge of Little Hot Spring Valley NW of Day. 1080 Comment
  CAS-BOT-BC292500  Erythranthe pulsiferae Milo S. Baker 1893-6-1 s.n. Modoc McCloud River, 6 mi below Bartles. Comment
  CHSC117246  Erythranthe suksdorfii Lowell Ahart; John Dittes 2016-7-16 21250 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 mile (air) south of County Road 87, 1.75 miles (air) west of Adin, Big Valley. 1273 Comment
  CAS-BOT-BC190757  Eschscholzia californica Alice Eastwood; John Thomas Howell 1940-6-15 8303 Modoc Lookout. Comment
  POM149282  Eschscholzia californica var. crocea Milo S. Baker 1893-6-18 s.n. Modoc [No location data on label] Comment
  CAS-BOT-BC218207  Euphorbia spathulata Alice Eastwood; John Thomas Howell 1940-6-14 8196 Modoc 6 mi. W of Alturas. Comment
  CAS-BOT-BC15162  Eurybia integrifolia Elmer Ivan Applegate 1932-8-7 8241 Modoc Lily Lake, Bidwell Pass, Warner Mountains Comment
  UC71688  Euthamia occidentalis Mrs. M. H. Manning 1903-8-26 330 Modoc near Fort Bidwell; ne Modoc Co. Comment
  CAS-BOT-BC247714  Festuca idahoensis Alan Ackerman Beetle 1941-6-29 2833 Modoc Near summit of Mt. Adin. 1828 Comment
  CHSC117227  Festuca idahoensis Lowell Ahart; John Dittes 2016-6-6 20941 Modoc About 20 yards west of the dirt road, about 50 yards southwest of the intersection of County Road 87 and Access Road to Pilot Butte Parking Area, northeast base of Pilot Butte, 3.8 miles (air) east of Lookout, 7.5 miles (air) west of Adin, Ash Creek State Wildlife Area. 1271 Comment
  HSC80818  Festuca idahoensis G. M. Riegel 1980-7-14 870 Modoc S Warner Mtns. 1739 Comment
  HSC9860  Festuca idahoensis R. C. Wunner 1965-7-1 319 Modoc Lava Beds N.M. Near Indian Well campground. 1433 Comment
Read comments
Aug 20 2013
  UCD66087  Festuca idahoensis A. A. Jordan 1934-9-11 Modoc Modoc County: Comment
  UCR133555  Festuca idahoensis A. A. Beetle 1941-6-29 2833 Modoc Near summit of Mt. Adin 1829 Comment
  JEPS69238  Festuca idahoensis Leland S. Smith 1917-7-15 860 Modoc Comment
  CAS-BOT-BC247701  Festuca occidentalis Bruce Bartholomew; Barrett Anderson 1988-7-21 4430 Modoc Whipple Spring, E side of Whitehorse Flat Reservoir. 1340 Comment
  JEPS69254  Festuca pratensis L. S. Smith 1917-7-23 121 Modoc Joseph Creek Warner Mts. 1828 Comment
  UC1025056  Festuca pratensis Leo Whitney 1935-7-21 3580 Modoc 15 mi w Canby; Modoc National Forest, Happy Camp 1463 Comment
  UC1037180  Festuca pratensis Leo Whitney 1935-8-18 3614 Modoc Comment
  CAS-BOT-BC179188  Floerkea proserpinacoides Frank Warrington Peirson 1926-6-25 6888 Modoc Small side canyon, 1 mi. E of summit, Cedarville Rd. Comment
  NY1101590  Floerkea proserpinacoides B. M. Bartholomew 1992-5-16 6323 Modoc Lunsford Spring 1600 Comment
  UC869454  Floerkea proserpinacoides C. L. Hitchcock 1940-5-27 6696 Modoc 15 mi ne of Alturas 1615 Comment
  HSC80697  Fragaria virginiana G. M. Riegel 1980-7-10 864 Modoc S Warner Mtns. 2100 Comment
  CAS-BOT-BC191138  Fraxinus latifolia Leland S. Smith 1410 Modoc Modoc County. Comment
  CAS-BOT-BC242111  Fritillaria atropurpurea Bruce Bartholomew 1995-6-2 6942 Modoc Lake City Canyon on road between Lake City and Benton Meadow, E side of the Warner Mountains. 1690 Comment
  CAS-BOT-BC242112  Fritillaria atropurpurea Bruce Bartholomew; Barrett Anderson 1989-6-2 4795 Modoc Surprise Valley Road, just S of the Oregon border, extreme NE corner of Modoc County. 1630 Comment
  CAS-BOT-BC242104  Fritillaria atropurpurea E. H. Steffen 1917-6-21 50 Modoc Henderson Meadow. 1676 Comment
  SEINET8478730  Fritillaria atropurpurea W. Roderick 1963-1 Modoc Comment
  CAS-BOT-BC242092  Fritillaria pudica Francis Dorris Payne 1932-4-22 386 Modoc Parker Creek. 1584 Comment
  CAS-BOT-BC242100  Fritillaria pudica E. S. Willits 1940-4-16 177 Modoc Sugar Hill. Comment
  HSC29996  Fritillaria pudica D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19394 Modoc Along Hager Basin Rd. near Big Sage Reservoir. Comment
  HSC15555  Fritillaria pudica M. T. Milligan 1964-4-25 Modoc 1 mi. up Barns Grade Rd. at stock pens Comment
  JEPS13238  Galium bifolium Rimo Bacigalupi 1955-7-19 5379 Modoc Forest rd. to Mill Cr. Ranger Station (just above and e of Soup Spr. Mdw., southern mts.); Warner Mts., Modoc Nat'l For. 2118 Comment
  UC416663  Galium bolanderi Milo S. Baker 1893-7-8 Modoc south hillside Comment
  CAS-BOT-BC248365  Galium glabrescens subsp. modocense B. Bartholomew; H. Sun 2002-6-24 8848 Modoc E of Bald Mt., on the E side of the Warner Mountains 2130 Comment
  UC1485928  Galium glabrescens subsp. modocense Gregg M. Riegel 1980-8-28 1117 Modoc 1/2 mi e Owl Creek Trail (near summit); Modoc Nat. Forest, S Warner Mt. Wilderness Area 2511 Comment
  UC1485929  Galium glabrescens subsp. modocense Gregg M. Riegel 1980-8-25 1103 Modoc 1 mi s Squaw Pk. (1/4 mi e of Summit Trail); Modoc National Forest, S Warner Mt. Wilderness Area 2438 Comment
  UC1776689  Galium glabrescens subsp. modocense G. Schoolcraft 1999-8-25 2881 Modoc Lower east slope of Warner Mountains near OR stateline 1737 Comment
  UC748107  Galium mexicanum var. asperulum Annie M. Alexander and Louise Kellogg 1946-7-10 4958 Modoc Eight Mile Creek Eight Mile Creek (ne corner of county) 1752 Comment
  CAS-BOT-BC225078  Galium multiflorum Bruce Bartholomew 1993-6-13 6617 Modoc Near the Nevada border, E of Eagleville, Surprise Valley. 1510 Comment
  UC1192009  Galium trifidum Herbert L. Mason and Verne Grant 1947-7-12 13434 Modoc n Likeley; Corporation Ranch Headquarters Comment
  UC1192008  Galium trifidum var. pacificum Verne Grant and Irving Schneider 1947-8-24 8254 Modoc in creek Warner Mountains, Jess Valley Comment
  CAS-BOT-BC190849  Gayophytum diffusum subsp. parviflorum Bruce Bartholomew 1989-8-13 5139 Modoc ca. 3.2 km N of Manzanita Mountain. 1580 Comment
  SD58201  Gayophytum diffusum subsp. parviflorum W. L. Jepson 1918-8-7 7863 Modoc Mt. Bidwell 2133 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
  UC1075753  Gayophytum heterozygum Robert J. Weatherby 1955-7-8 1609 Modoc 7 mi n Fort Bidwell 1874 Comment
  HSC31367  Gayophytum humile D. H. Norris, T. Nelson, S. Dowty 1971-6-23 19410 Modoc Along Hager Basin Rd. near Big Sage Reservoir. Comment
  NY999564  Gayophytum racemosum M. S. Baker 06 1893 s.n. Modoc Comment
  CAS-BOT-BC190820  Gayophytum ramosissimum Alice Eastwood; John Thomas Howell 1940-6-14 8204 Modoc Near Kelly Hot Spring. Comment
  SEINET10635350  Geranium attenuilobum W. T. Frost 1925-7-24 Frost 113 Modoc Jess Valley, Warner Mountains. Comment
  CAS-BOT-BC180062  Geranium viscosissimum Verne Grant; I. Schneider 1947-7-22 8145 Modoc N fork of Pit River on Hwy 395, ca. 1 mi. N of junction with Cedarville road. Comment
  UC748253  Geranium viscosissimum Annie M. Alexander and Louise Kellogg 1946-7-12 4986 Modoc Twelve Mile Creek, ne corner of Modoc County Twelve Mile Creek Comment
  RSA647788  Geum macrophyllum Marion P. Harthill 1972-6-17 837 Modoc Cedar Pass, Modoc National Forest 1921 Comment
  CAS-BOT-BC214670  Geum triflorum Bruce Bartholomew; Barrett Anderson 1989-6-3 4882 Modoc Boles Creek, ca. 5.5 km E of the SE corner of Clear Lake Reservoir. 1430 Comment
  RSA59762  Geum triflorum E. K. Balls 1950-5-15 14699 Modoc 6 miles SW of Dry Lake Ranger Station, along railroad. 1280 Comment
  RSA59708  Geum triflorum var. ciliatum E. K. Balls 1950-5-20 14792 Modoc South Fork Public Camp, South Fork Pit River, Likely to Clear Lake. 1433 Comment
  CAS-BOT-BC190705  Gilia brecciarum subsp. brecciarum Elmer Ivan Applegate 1936-5-12 10284 Modoc Top of Petroglyph Butt, Lava Bed National Monument. Comment
  RSA63721  Gilia congesta var. montana Verne Grant, Alva Grant 1950-7-14 8944 Modoc North flank of Cedar peak near summit, Warner Mts., Modoc Co. 2287 Comment
  NY1011720  Gilia gilioides var. integrifolia B. M. Bartholomew 1988-7-22 4538 Modoc Side Creek, west side of Lake City Canyon, east side of the Warner Mountains. Davis Creek 15' Quad 1980 Comment
  CAS-BOT-BC190691  Gilia leptalea subsp. leptalea Bruce Bartholomew 1995-7-30 7040 Modoc 3.0 km E of Day on County Road 94. 1050 Comment
  CAS-BOT-BC190657  Gilia modocensis Elmer I. Applegate 1936-5-9 10259 Modoc Lave Beds National Monument, Hippo Butte. Comment
  NY964020  Gilia salticola B. M. Bartholomew 1991-6-22 5844 Modoc East side of Surprise Valley, 9.6 km east of Eagleville at the Nevada Border 1520 Comment
  CAS-BOT-BC190671  Gilia sinistra subsp. sinistra Bruce Bartholomew; Barrett Anderson 1989-6-1 4729 Modoc Shake Spring, NW side of Shaffer Mountain. 1500 Comment
  CAS-BOT-BC190672  Gilia sinistra subsp. sinistra Bruce Bartholomew 1991-7-6 5991 Modoc Vicinity of Happy Camp Lookout, Happy Camp Mountain. 1830 Comment
  CAS-BOT-BC247695  Glyceria elata Bruce Bartholomew 1989-8-11 5091 Modoc Vicinity of Patterson Ranger Station, S end of Warner Mountains. 2160 Comment
  CAS-BOT-BC49533  Gnaphalium palustre Leland S. Smith 1925-1-1 1506 Modoc Happy Camp near Ranger Station. 1371 Comment
  CAS-BOT-BC49573  Gnaphalium palustre Bruce Bartholomew; Barrett Anderson 1990-7-20 5459 Modoc 4 km N of Buck Creek Ranger Station at turn off to Del Prat Spring, W side of Warner Mts. 1900 Comment
  UC1192120  Gnaphalium palustre Herbert L. Mason and Verne Grant 1947-7-12 13425 Modoc s of Alturas (along rr tracks); Pit River Valley Comment
  HSC5710  Gnaphalium palustre M. T. Milligan 1964-8-21 230 Modoc S end of Dorris Reservoir Dam 1372 Comment
  CAS-BOT-BC229892  Gratiola neglecta John Thomas Howell 1934-6-15 12201 Modoc Dorris Reservoir, 2 mi. E of Alturas. Comment
  JEPS3605  Gratiola neglecta Herbert L. Mason and Verne Grant 1947-7-12 13393 Modoc off Highway 395 several mi s Alturas (irrigation ditch by Jones' Lane) Comment
  RSA0045635  Gratiola neglecta Lowell Ahart, John Dittes 2008-6-21 14993 Modoc North of the large culvert, east of the large levee, in Big Valley, about 2.8 miles (air) north of the Headquarters at Ash Creek State Wildlife Area,, about 5.4 miles (air) northeast of Bieber. 1255 Comment
  SD46112  Gratiola neglecta Verne E. Grant, Irving Schneider 1947-7-20 8094 Modoc margin of irrigation ditch, south loop of Westside Road, Pitt Valley, north of Likely Comment
  CAS-BOT-BC95533  Grayia spinosa Bruce Bartholomew; Barrett Anderson 1989-4-29 4684 Modoc 9-11 km E of Fort Bidwell on road to Fee Reservoir, NE corner of Surprise Valley. 1580 Comment
  CAS-BOT-BC304880  Grindelia hirsutula L. S. Smith 1924-6-21 1507 Modoc Modoc National Forest. Egg Lake country Comment
  UC87884  Grindelia hirsutula Mrs. R. M. Austin 1886-8-1 Modoc Goose Lake Valley Comment
  CDA13472  Grindelia nana G. F. Hrusa, T. D. Wilfred 1996-7-21 13319 Modoc Modoc Plateau; adjacent to Pit River at Modoc Co. Rd. 90 bridge. E base of Splawn Mtn. N end of Big Valley. Comment
  RSA0059445  Grindelia nana M. S. Baker 1899-8-18 s.n. Modoc Little Hot Spring Valley Comment
  SEINET7725990  Habenaria sparsiflora Unknown 1886-1 Modoc Comment
  CAS-BOT-BC189600  Hackelia Clare B. Hardham 1961-6-18 7546 Modoc Hills 3 miles E of Cedar Pass, Warner Mountains 1828 Comment
  CAS-BOT-BC54086  Hackelia cusickii Mrs. H. C. Cantelow 1940-6-2 Modoc 10 mi. NW of Canby on road to Lava Beds National Monument. Comment
  CAS-BOT-BC54088  Hackelia cusickii Fred. P. Cronemiller 1920-6-20 30 Modoc Fillingim's, Modoc National Forest 1371 Comment
  CAS-BOT-BC54092  Hackelia cusickii M. M. Hanna 1956-6-5 983 Modoc Cedar Pass. Comment
  JEPS25294  Hackelia cusickii Frances D. Payne 1932-6-10 643 Modoc s. & e. Alturas (Parker Creek, Warner Mts.); Warner Mts., Parker Creek 1584 Comment
  UC573101  Hackelia cusickii F. H. Frost 1925-5-24 42 Modoc Steamboat Canyon; Warner Mountains 1767 Comment
  CAS-BOT-BC54055  Hackelia micrantha Elmer Ivan Applegate 1932-8-3 8135 Modoc W slope of Eagle Peak, Warner Mountains Comment
  CHSC20348  Hackelia micrantha M. T. Milligan 1965-6-30 403 Modoc Eagle Peak Region, Warner Mountains. Slopes and ridges east of Jess Valley. 1828 Comment
  SBBG28840  Hackelia micrantha C. L. Hitchcock 1940-5-27 6691 Modoc 15 mi NE of Alturas 1615 Comment
  CAS-BOT-BC497305  Hackelia micrantha B. Bartholomew 1990-6-16 5265 Modoc West side of Pine Creek Basin, Warner Mountains 2200 Comment
  HSC5788  Helianthus bolanderi M. T. Milligan 1964-8-8 212 Modoc Corner of East D and 8th Street, Alturas 1372 Comment
  CAS-BOT-BC49502  Helianthus cusickii Mrs. H. C. Cantelow 1940-5-31 3085 Modoc 3 mi. E of Canby. Comment
  JEPS5938  Helianthus cusickii Frances D. Payne 1932-6-27 617 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 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
  UC650533  Hemizonella minima Elmer I. Applegate 1936-5-18 10319 Modoc Bear Paw Cave Lava Beds National Monument Comment
  UCD132029  Hemizonella minima Beecher Crampton 1960-6-17 5690 Modoc 5 miles south of Perez, Plant Quarantine Station. 1371 Comment
  CHSC106324  Hemizonia lobbii Lowell Ahart; John Dittes 2010-8-31 17094 Modoc On the east side of Elkins Lane, about 50 yards north of the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  RSA767679  Hemizonia parryi subsp. rudis L. Ahart, John Dittes 2010-8-30 17060 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
  CAS-BOT-BC21465  Heracleum lanatum Bruce Bartholomew; Barrett Anderson 1990-7-20 5542 Modoc Buck Creek between Del Pratt Spring and Howard Flat, W side of Warner Mts. 1990 Comment
  UC1191960  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
  HSC80787  Heracleum maximum G. M. Riegel 1980-7-28 958 Modoc S Warner Mtns. 2100 Comment
  CAS-BOT-BC180040  Hesperochiron californicus R. M. Austin 1894-6-1 Modoc Lava beds west of Goose Lake Comment
  UC1212250  Hesperolinon micranthum Helen K. Sharsmith 1955-6-25 4506 Modoc n slope Jess Valley; Warner Mountains, Modoc National Forest 1584 Comment
  CAS-BOT-BC225791  Heuchera cylindrica Elmer Ivan Applegate 1932-8-3 8124 Modoc Arid summit of Warner Mts, N of Eagle Peak. Comment
  CAS-BOT-BC225792  Heuchera cylindrica Elmer Ivan Applegate 1932-7-9 7591 Modoc N slope of Bidwell Mountain, Warner Mts. 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
  UC71820  Heuchera cylindrica var. ovalifolia Mrs. M. H. Manning 1903-7-1 274 Modoc Mill Canyon 1676 Comment
  CHSC70467  Hieracium albiflorum A. Sanger 1996-7-12 2417 Modoc Found along road 44N69, between 44N69C and 69B. 1975 Comment
  UC32777  Hieracium albiflorum Milo S. Baker 1893-7-6 Modoc Comment
  RSA0016759  Hippuris vulgaris Louis C. Wheeler 1935-9-5 3957 Modoc Tuttle Place, west side Goose Lake 1463 Comment
  UC1037342  Holcus lanatus Leo Whitney 1935-8-24 105 Modoc Jess Valley Comment
  SEINET11915820  Holodiscus dumosus M. Ownbey, Meyer, F. G. 1940-1 2155 Modoc Cedar Park, Warner Mtns Comment
  CAS-BOT-BC214694  Holodiscus microphyllus var. glabrescens Bruce Bartholomew 1995-7-31 7101 Modoc E side of the Warner Mts. near crest and just N of the headwaters of the S fork of Davis Creek. 2320 Comment
  RSA67242  Holodiscus microphyllus var. glabrescens Philip A. Munz 1951-9-14 16978 Modoc S fork of Pit River, 7.8 miles E of Likely. 1540 Comment
Read comments
Jun 20 2012
  HSC10150  Hordeum brachyantherum M. T. Milligan 1966-7-3 540 Modoc Slopes and ridges E of Jess Valley 1829 Comment
  HSC10159  Hordeum brachyantherum M. T. Milligan 1964-7-25 173 Modoc Pine Creek Basin, along trail. 2439 Comment
  CAS-BOT-BC247684  Hordeum brachyantherum subsp. brachyantherum Bruce Bartholomew 1989-8-11 5096 Modoc Vicinity of Patterson Ranger Station, S end of Warner Mountains. 2160 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-BC247680  Hordeum jubatum Louis Cutter Wheeler 1935-8-2 3743 Modoc Dismal Swamp. 2225 Comment
  UCD85773  Hordeum marinum subsp. gussoneanum A. A. Beetle 1941-6-29 2839 Modoc Near summit of Mt. Adin. 1828 Comment
  UCD85780  Hordeum marinum subsp. gussoneanum A. A. Beetle; G. L. Stebbins Jr. 1942-5-30 3275 Modoc 3.5 miles E of Adin. Comment
  UC545675  Horkelia fusca subsp. parviflora Leo D. Whitney 1935-6-6 3189 Modoc 2 mi n Hole-in-the-Rock Comment
  CAS-BOT-BC214715  Horkelia tridentata K. Paulson 1978-6-24 s.n. Modoc Curtis Water Hole. Comment
  CAS-BOT-BC58586  Hornungia procumbens Bruce Bartholomew 1991-5-24 5693 Modoc Surprise Valley, 5.1 km E of Eagleville. 1370 Comment
  CAS-BOT-BC179330  Hydrophyllum capitatum var. alpinum Annie Montague Alexander; L. Kellogg 1946-6-8 4704 Modoc Near 3 mile Ranger Station sign, road from Eagleville to Patterson Mill. 2225 Comment
  CAS-BOT-BC179334  Hydrophyllum capitatum var. alpinum K. Paulson; Robert Paulson 1989-6-14 127 Modoc Ca. 1.5 mi. NE of Cedar Pass, Warner Mts. 1905 Comment
  CAS-BOT-BC180029  Hydrophyllum capitatum var. alpinum Betty J. Hammerly 1941-6-20 28 Modoc Along Clear Lake, S end of Warner Mts. Comment
  UC748438  Hydrophyllum capitatum var. alpinum Annie M. Alexander and Louise Kellogg 1946-6-8 4704 Modoc road from Eagleville to Patterson Mill (near 3 mi Ranger Station sign) 2225 Comment
  CAS-BOT-BC179326  Hydrophyllum capitatum var. alpinum Lindsay Stuart Smith; E. H. Steffen 1917-5-21 3 Modoc West Valley camp. 1524 Comment
  POM98604  Hydrophyllum capitatum var. alpinum F. W. Peirson 1926-6-25 6875 Modoc Cedarville Road, Warner Mountains. Comment
  CAS-BOT-BC179898  Hypericum anagalloides Bruce Bartholomew; Barrett Anderson 1990-7-20 5537 Modoc Buck Creek between Del Pratt Spring and Howard Flat, W side of Warner Mts. 1990 Comment
  CAS-BOT-BC179901  Hypericum anagalloides Elmer Ivan Applegate 1932-8-2 8068 Modoc Mill Creek Meadows, W slope of Warner Mts. Comment
  UC748355  Hypericum formosum var. scouleri Annie M. Alexander and Louise Kellogg 1946-7-13 4992 Modoc Eagleville, Eagle Creek Comment
  CAS-BOT-BC58444  Idahoa scapigera R. M. Austin 1894-4-1 Modoc Goose Lake Valley. Comment
  HSC26496  Idahoa scapigera J. P. Smith, J. O. Sawyer 1972-5-6 5268 Modoc Along Hwy. 299, 4 mi. W of Modoc County Rd. 58, E of Alturas 1494 Comment
  UC1713786  Idahoa scapigera Milo S. Baker 1896-5-20 76 Modoc Big Valley, Johnson's Big Valley Comment
  UC908149  Ipomopsis aggregata F. H. Frost 155 Modoc Eagle Peak Warner Mtns Comment
  UC748419  Ipomopsis congesta Annie M. Alexander and Louise Kellogg 1946-7-11 4969 Modoc Eight Mile Creek 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-BC190634  Ipomopsis tenuituba Alice Eastwood; John Thomas Howell 1940-6-13 8159 Modoc E side of Fandango Pass. Comment
  CAS-BOT-BC245101  Iris missouriensis K. Paulson; Robert Paulson 1989-7-4 172 Modoc Ca. 0.5 mi. S of Patterson Ranger Station, S end of Warner Mts. 2240 Comment
  CAS-BOT-BC58406  Isatis tinctoria Margaret J. Williams 1984-6-29 84- 73 -1 Modoc Fandango Pass road, 0.8 mi. E of Hwy 395. 1463 Comment
  RSA639341  Isoetes bolanderi L. C. Wheeler 1935-8-14 3857 Modoc Cave Lake, Pine Creek, Warner Mtns. (Mt Diablo Mer.) 2073 Comment
  SD132254  Iva axillaris G. Helmkamp 1990-9-23 H 1 Modoc U. S. Highway 395, 13 miles north of Likely. 1340 Comment
  CAS-BOT-BC49491  Iva axillaris subsp. robustior Bruce Bartholomew; Barrett 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
  JEPS114662  Iva axillaris subsp. robustior Lowell Ahart, John Dittes 2008-8-25 15304 Modoc On the west bank of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout 1273 Comment
  CAS-BOT-BC214723  Ivesia gordonii Annie Montague Alexander; L. Kellogg 1946-7-30 5096 Modoc E slope near summit of Eagle Peak, Warner Mts. Comment
  NY833802  Ivesia gordonii B. M. Bartholomew 1990-8-4 5643 Modoc Top of pass on Summit Trail, ca. 0.5 km southeast of Patterson Lake, east side of Warner Mountains 2800 Comment
  HSC63036  Ivesia gordonii var. ursinorum J. P. Smith, J. O. Sawyer 1973-8-8 7231 Modoc Near summit of Eagle Peak 2988 Comment
  UC1100975  Juncus balticus Herbert L. Mason and Verne Grant 1947-7-9 13318 Modoc Cedar Pass, summit of Warner Range Warner Range 1920 Comment
  JEPS121221  Juncus bufonius var. bufonius Lowell Ahart, John Dittes 2013-7-24 18928 Modoc About 50 yards S of the levee road, N side of Ash Creek Floodplain, 0.54 air miles SE of Pilot Butte parking area, 1.1 air miles S of County Road 87, 6.8 air miles W of Adin, Big Valley. Comment
  CAS-BOT-BC245070  Juncus bufonius var. occidentalis Louis Cutter Wheeler 1935-8-1 3738 Modoc Dismal Swamp, Warner Mountains, Modoc National Forest 2225 Comment
  JEPS119967  Juncus ensifolius Lowell Ahart, John Dittes 2012-7-12 18369 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
  UC1536801  Juncus ensifolius Gordon H. True Jr. 1939-6-30 1018 Modoc e of Alturas; Parker Creek Comment
  UC70022  Juncus ensifolius Mrs. M. H. Manning Aug 1903 444 Modoc ne Modoc County Comment
  CAS-BOT-BC245059  Juncus hemiendytus var. abjectus Bruce Bartholomew 1993-6-14 6676 Modoc Open moist flat SW of Stovepipe Flat Tank just N of road between Deer Hill and Duncan Reservoir. 1530 Comment
  UC1101099  Juncus longistylis Herbert L. Mason 1947-8-13 13534 Modoc n of Canby (ne side of F reservoir) Comment
  UC1601790  Juncus nevadensis Baker and Nutting 1894-7-28 Modoc Willow Creek Comment
  UC1560398  Juncus orthophyllus E. Joyal and D. Mehlman 1988-6-28 1289 Modoc e of New Pine Creek, Oregon (Pine Creek, n Warner Mts.); Warner Mts., Pine Creek Comment
  CAS-BOT-BC81197  Juniperus occidentalis John Thomas Howell 1934-6-16 12208 A Modoc Parker Creek, Warner Mts. 1584 Comment
  CAS-BOT-BC81199  Juniperus occidentalis Florence Angwin 1946-5-4 s.n. Modoc Adin Comment
  CAS-BOT-BC81202  Juniperus occidentalis Florence Angwin 1945-10-27 s.n. Modoc Adin 1371 Comment
  SD139421  Juniperus occidentalis F. C. Vasek 1962-9-2 day 16 Modoc 4.2 miles east of Likely. 1735 Comment
  CAS-BOT-BC30164  Juniperus occidentalis var. occidentalis Bruce Bartholomew; Barrett Anderson 1988-5-13 4142 Modoc Along Parker Creek Road, 2.7 km W of Modoc National Forest and ca. 16 km WSW of Alturas, W side of the Warner 1490 Comment
  CAS-BOT-BC95668  Kalmia polifolia Elmer Ivan Applegate 1932-8-7 8224 Modoc Just above Lily Lake. Comment
  CAS-BOT-BC95671  Kalmia polifolia Annie Montague Alexander; L. Kellogg 1946-6-27 4852 Modoc Highgrade, 2 mi from Dismal Swamp. 2377 Comment
  CAS-BOT-BC95676  Kalmia polifolia Bruce Bartholomew 1995-7-31 7113 Modoc Upper reaches of Goose Creek, E side of the Warner Mountains. 2160 Comment
  CAS-BOT-BC225093  Kelloggia galioides Francis Marion Ownbey; Frederick Gustav Meyer 1940-7-1 2149 Modoc Cedar Peak. Comment
  CAS-BOT-BC248332  Kelloggia galioides B. Bartholomew; H. Sun 2002-6-24 8817 Modoc Ridge top just S of Manzanita Mt. and 15.3 straight line km NW of Aden 2070 Comment
  HSC80759  Kelloggia galioides G. M. Riegel 1979-7-27 603 Modoc S Warner Mtns. 1670 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
  CAS-BOT-BC247642  Koeleria macrantha Roxana Stinchfield Ferris; R. Duthie 1919-6-13 63 Modoc Above Parker Creek near Modoc National Forest boundary. Comment
  JEPS114835  Koeleria macrantha Lowell Ahart, John Dittes 2008-6-21 15015 Modoc On the north side of the dirt road, in Big Valley, about 3.8 miles (air) north of the Headquarters at Ash Creek State Wildlife Area, about 6.5 miles (air) northeast of Bieber 1264 Comment
  SEINET229940 Image available Koeleria macrantha L. M. Shultz, JS Shultz 1985-6-23 8594 Modoc Modoc Plateau at the Western extension of the Great Basin between Beeler and Duncan reservoirs 1311 Comment
  UC1024945  Koeleria macrantha Leo Whitney 1935-7-2 3325 Modoc ca 17 mi nw Canby; Badger Wells Comment
  CHSC112816  Lactuca serriola Lowell Ahart; John Dittes 2013-7-25 18947 Modoc 30 yards north of the east-west fence, south edge of Ash Creek Floodplain, northeast of Patterson Homestead, east of Elkins Lane, 1.0 mile (air) south of County Road 87, 3.14 miles (air) west of Adin, Big Valley. 1267 Comment
  UCR248241  Lactuca tatarica var. pulchella J. R. Keck Jr., C. B. Greenbank 1980-8-21 PDR 330198 Modoc Tulelake, near Newell townsite 1234 Comment
  POM33424  Lactuca tatarica var. pulchella Mrs. R. M. Austin 1895-07 571 Modoc Goose Lake Valley. Comment
  UC89214  Lagophylla ramosissima Mrs. R. M. Austin 1894-7-1 Modoc Davis Creek Comment
  CHSC85167  Lagophylla ramosissima subsp. ramosissima John Dittes; Josephine Guardino 1991-8-23 447 Modoc Modoc Plateau; Big Valley; Ash Creek Wildlife Area; ca. 7.7 air-miles northeast of Bieber, ca. 4.0 air-miles west by southwest of Adin, ca. 5.0 air-mile east by southeast of Pilot Butte summit, ca. 0.6 mile east of Walters Road and Owl Barn; meadow at southern edge of Ash Creek Floodplain. 1271 Comment
  CAS-BOT-BC179873  Lamium amplexicaule Leland S. Smith 1919-5-1 1082 Modoc Jess Valley, Clarke Ranch. 1600 Comment
  CAS-BOT-BC54065  Lappula redowskii C. C. (Mrs.) Bruce 1894-9-1 34 Modoc Davis Creek. Comment
  CAS-BOT-BC49453  Lasthenia glaberrima Bruce Bartholomew; Barrett Anderson 1990-7-19 5408 Modoc Turner Creek at County Rd 90, N end of Big Valley, 6.4 km N of Lassen County border. 1230 Comment
  CAS-BOT-BC181983  Lathyrus brownii K. Paulson; Robert Paulson 1989-5-8 111 Modoc Howard's Gulch, along Hwy 139. 1371 Comment
  JEPS55280  Lathyrus lanszwertii Milo S. Baker 1896-5-31 Modoc Fall River Mountains, se Modoc Co. Fall River Mountains Comment
  RSA648325  Lathyrus lanszwertii Marion P. Harthill 1972-6-17 841 Modoc Cedar Pass 1921 Comment
  CAS-BOT-BC181977  Lathyrus lanszwertii subsp. aridus Bruce Bartholomew 1995-6-22 6979 Modoc Between Day and Lookout, 0.3 km N of on County Road 94 track to Wendt Spring. 1370 Comment
  JEPS55335  Lathyrus lanszwertii var. aridus Leo D. Whitney 1935-5-31 3159 Modoc White Horse Comment
  NY716854  Lathyrus rigidus C. L. Hitchcock 1950-5-27 19225 Modoc Ca. 20 miles north of Alturas Comment
  SEINET2149789  Ledum glandulosum var. californicum K. T. Harper 1974-1 136 Modoc West slope of Warner Mountains, Pine Creek. 2195 Comment
  RSA233786  Lemna minor Robert F. Thorne 1969-9-5 39148 Modoc North of South Fork of Pit River above jct. with West Creek at Public Campground, ca. 6 mi. E of Likely. 1402 Comment
  CHSC115829  Lemna minuta Lowell Ahart; John Dittes 2015-7-17 20397 Modoc On the south side of Ash Creek, Ash Creek State Wildlife Area, about 3/4 mile south of county Road B7, about 2.7 miles (air) west of Adin, about 9.1 miles (air) northeast of Bieber. 1279 Comment
  CAS-BOT-BC58662  Lepidium chalepense Bruce Bartholomew 1994-5-16 6699 Modoc Little Hot Spring Valley. 1070 Comment
  CAS-BOT-BC58345  Lepidium dictyotum var. dictyotum Bruce Bartholomew 1991-5-24 5692 Modoc Surprise Valley, 5.1 km E of Eagleville. 1370 Comment
  JEPS114357  Lepidium lasiocarpum Lowell Ahart, John Dittes 2008-8-26 15332 Modoc On the sides of County Road 85a, 7.5 miles (air) north-northeast of Lookout 1303 Comment
  JEPS53731  Lepidium perfoliatum Frances D. Payne 1932-6-8 418 Modoc 6 mi e Alturas (on road to Parker Creek); Warner Mountains Comment
  RSA0042934  Lepidium perfoliatum Robert F. Thorne, J. Henrickson, C. W. Tilforth 1969-9-4 s.n. Modoc North of Alturas [Highway 395, vicinity of north fork of Pit River] Comment
  HSC80889  Leptosiphon ciliatus G. M. Riegel 1979-7-12 508 Modoc S Warner Mtns. 2100 Comment
  POM229970  Leptosiphon harknessii L. C. Wheeler 1935-8-16 3868 Modoc Dismal Swamp, Twenty Mile Creek. Warner Mountains. Mt. Diablo Mer. 2226 Comment
  POM319635  Leptosiphon harknessii Patricia Wilder 1971-6-20 5055 Modoc North part of Egg Lake (now a meadow), northwest of Lookout; north of Bieber and California State Highway 299; Modoc National Forest. Cascades Mt. Range. 1372 Comment
  JEPS4015  Leucocrinum montanum L. S. Smith 1917-5-21 1 Modoc West Valley; Warner Mts. 1981 Comment
  UC423437  Leucocrinum montanum M. F. Gilman 525 Modoc 1676 Comment
  RSA520450  Leucophysalis nana Bruce Bartholomew, B. Anderson 1990-7-20 5533 Modoc 3.4 Km NW of Tamarack Flat, E side of Warner Mts. 2130 Comment
  CAS-BOT-BC197456  Lewisia nevadensis Bruce Bartholomew 1994-7-2 6804 Modoc 5.5 km SE of Forest Service road 30 on road towards Bald Mountain, E side of the Warner Mts. 2230 Comment
  CAS-BOT-BC197484  Lewisia rediviva Leland S. Smith 1919-6-5 1122 Modoc Deep Creek near station. 1524 Comment
  HSC26015  Lewisia rediviva D. H. Norris, T. Nelson, S. Dowty 1971-6-23 19371 Modoc Along the S Fork of the Pit River, ~6 mi. E of Likely. Comment
  JEPS68545  Leymus cinereus W. L. Jepson 1918-8-9 7923 Modoc 3 mi s Ft. Bidwell 1447 Comment
  SEINET190941  Leymus cinereus A. A. Beetle 1941-6-29 2841 Modoc 15 miles east of Alturas on road to Cedarville Pass 1372 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
  JEPS73998  Leymus triticoides Frances D. Payne 1932-7-18 706 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  POM201804  Leymus triticoides Frances D. Payne 782 Modoc Warner Mts. Comment
  UC1037152  Leymus triticoides Leo Whitney 3412 Modoc near Lookout; Pit River Comment
  UCD65618  Leymus triticoides L. Whitney 1935-8-7 3611 Modoc Modoc National Forest. Lake Joaquina, Hackamore, ca. 15 miles NW of Canby. 1463 Comment
  JEPS16566  Ligusticum grayi L. S. Smith 1918-8-11 1024 Modoc Warner Mts., Camp One-T38-16 2468 Comment
  RSA17667  Lilaea scilloides Elmer I. Applegate 1932-7-30 7947 Modoc Alturas Comment
  CAS-BOT-BC242071  Lilium pardalinum subsp. shastense Bruce Bartholomew; Barrett Anderson 1988-7-21 4438 Modoc Above Upper Rush Creek Campground ca. 4 km E of State Highway 299 between Adin and Canby. 1580 Comment
  CAS-BOT-BC242072  Lilium pardalinum subsp. shastense Bruce Bartholomew 1989-7-14 4933 Modoc Along Rush Creek between Lower and Upper Rush Creek Campgrounds. 1580 Comment
  CAS-BOT-BC332735  Limosella acaulis R. F. Thorne; Larry E. DeBuhr 1975-8-22 46966 Modoc Ca. 3.4 miles N of Alturas at bridge over North Fork of Pit River 1341 Comment
  POM228990  Limosella aquatica Louis C. Wheeler 1935-8-14 3856 Modoc Cave Lake, Pine Creek, Warner Mtns. (Mt Diablo Mer.) 2073 Comment
  UCR131612  Limosella aquatica L. C. Wheeler 1935-9-1 3934 Modoc Pine Spring, Devil's Garden 1524 Comment
  SEINET182271  Linanthastrum nuttallii L. C. Wheeler 1935-8-5 3789 Modoc Lake Pine Cr Warner Mts 2286 Comment
  CAS-BOT-BC190630  Linanthus bolanderi Bruce Bartholomew 1995-6-4 6963 Modoc Round Valley 1.8 km S of State Hwy 299 on County road 86. 1280 Comment
  CAS-BOT-BC190626  Linanthus ciliatus Bruce Bartholomew 1995-6-24 7031 Modoc 0.3 km W of turn off to Dusty's Waterhole from Forest Service Road 42N23. 1320 Comment
  CAS-BOT-BC198034  Linanthus harknessii Alice Eastwood; John Thomas Howell 1940-6-14 8222 Modoc 8 mi. NW of Canby. Comment
  CAS-BOT-BC198045  Linanthus harknessii Bruce Bartholomew 1991-7-5 5929 Modoc Vicinity of Cow Head Spring between Dorris Bothers Reservoir and Cow Head Tank. 1510 Comment
  UC880256  Linanthus harknessii Lewis S. Rose 1940-6-14 40573 Modoc 8 mi nw Canby 1524 Comment
  CAS-BOT-BC198026  Linanthus nuttallii subsp. nuttallii K. Paulson; Robert Paulson 1989-7-14 179 Modoc Vicinity of Little Lily Lake, ca. 2.5 mi. S of the Oregon border, N end of Warner Mts. 2171 Comment
  CAS-BOT-BC198030  Linanthus nuttallii subsp. nuttallii K. Paulson; Robert Paulson 1988-7-9 70 Modoc Near Poison Lake, Warner Mts.. 2133 Comment
  UC1178811  Linanthus septentrionalis Herbert L. Mason 1947-7-8 13307 Modoc Cedar Pass, summit of Warner Mountains Warner Mountains 1921 Comment
  HSC20665  Linaria dalmatica subsp. dalmatica M. T. Milligan 1964-6-27 93 Modoc Old mill, Lassen Creek 1829 Comment
  CDA6355  Linaria genistifolia subsp. dalmatica T. C. Fuller 1963-8-27 11168 Modoc Sugar Hill Planting, Lassen Creek, ca. 6 miles southeast of Willow Ranch. 0 Comment
  CDA6353  Linaria genistifolia subsp. dalmatica T. C. Fuller, W. T. Parsons 1960-7-27 4875 Modoc Lassen Creek, near Sugar Hill Planting. 0 Comment
  CAS-BOT-BC179163  Linum lewisii Frances D. Payne 1929-6-18 9 Modoc Parker Creek. Comment
  CAS-BOT-BC179168  Linum lewisii John Thomas Howell 1934-6-11 11933 Modoc Parker Creek. 1584 Comment
  UC71753  Linum lewisii Mrs. M. H. Manning 1903-8-27 178 Modoc top of Mount Bidwell, north-eastern Modoc County Mount Bidwell 1524 Comment
  HSC81082  Linum lewisii G. M. Riegel 1980-7-8 838 Modoc S Warner Mtns. 2100 Comment
  RSA59602  Linum lewisii Verne Grant, Alva Grant 1950-7-14 8946 Modoc Bare north flank of Cedar Peak, Warner Mts. 2195 Comment
  UC17254  Linum lewisii Milo S. Baker 1893-6 Modoc Lava Beds Comment
  CHSC112754  Linum lewisii var. lewisii Lowell Ahart; John Dittes 2013-7-25 18948 Modoc Meadow, 10 yards north of the east-west fence, south edge of Ash Creek Floodplain, northeast of Patterson Homestead, east of Elkins Lane, 1.0 mile (air) south of County Road 87, 3.14 miles (air) west of Adin, Big Valley. 1267 Comment
  SJSU9652  Linum lewisii var. lewisii W. Savage 1979-7-8 1487 Modoc N end Fairchild Swamp Unit, Triangle, Devils Garden District, Modoc National Forest 1493 Comment
  CAS-BOT-BC225820  Lithophragma glabrum Bruce Bartholomew; Barrett Anderson 1989-4-28 4644 Modoc 8.8 km N of State Highway 299 on road to Raker & Thomas Reservoir. 1470 Comment
  JEPS27156  Lithophragma glabrum Lauramay T. Dempster 1961-6-19 1705 Modoc e Davis Creek (town) (headwaters of the South Fork of Davis Creek); headwaters of South Fork of Davis Creek 2286 Comment
  CHSC30632  Lithophragma tenellum NEH Prouty 1980-6-2 175 Modoc Modoc Nat. Forest. Warner Mt. District. Northern side of Dry Creek Basin Rd. Comment
  UC111916  Lithophragma tenellum Mrs. R. M. Austin Jun 1894 Modoc Lava Beds Comment
  CAS-BOT-BC54040  Lithospermum ruderale Edward Kent Balls 1950-5-11 14614 Modoc 2 mi. N of Lake City, W of Upper Alkali Lake. 1417 Comment
  CAS-BOT-BC54075  Lithospermum ruderale Francis Dorris Payne 1932-6-22 576 Modoc Parker Creek. 1584 Comment
  RSA59826  Lithospermum ruderale E. K. Balls 1950-5-13 14675 Modoc West of Goose Lake, 0.5 mile S of Oregon- California State Line. 1463 Comment
  HSC80939  Lithospermum ruderale G. M. Riegel 1980-7-27 935 Modoc S Warner Mtns. 1739 Comment
  POM126231  Lithospermum ruderale M. French Gilman 649 Modoc Dry slopes. Comment
  CHSC85186  Lomatium bicolor John Dittes; Josephine Guardino 1991-6-1 380 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-BC21440  Lomatium bicolor var. leptocarpum K. Paulson; Robert Paulson 1988-6-11 30 Modoc N of Stough Reservoir, Warner Mts.. 1706 Comment
  CAS-BOT-BC21444  Lomatium bicolor var. leptocarpum E. S. Willits 1940-4-16 176 Modoc Sugar Hill. Comment
  CHSC66982  Lomatium bicolor var. leptocarpum James D. Jokerst 1987-5-12 2842 Modoc Radar Survey Site S of Doublehead Mtn., N end of central sector. Center of wedge of section 28. Comment
  JEPS118263  Lomatium bicolor var. leptocarpum Lowell Ahart, John Dittes 2011-6-22 17548 Modoc About 50 yards east of the road, about 100 yards northeast of the Pilot Butte Parking Lot, north edge of Ash Creek Floodplain, 1.1 miles (air) south of County road 87, 7.7 miles (air) west of Adin, 10 miles (air) east of Lookout, Big Valley 1264 Comment
  RSA452581  Lomatium bicolor var. leptocarpum L. C. Wheeler 1935-9-12 3982 Modoc Devils Garden: 2 miles SW Poindexter Reservoir. 1524 Comment
  RSA504594  Lomatium bicolor var. leptocarpum Bruce Bartholomew, B. Anderson 1988-6-23 4291 Modoc South side of Egg Lake, ca. 1.5 km west of the Burlington Northern railroad track 1300 Comment
  CAS-BOT-BC21435  Lomatium canbyi Bruce Bartholomew; Barrett Anderson 1989-4-30 4712 Modoc 0.8 km S of Centerville Rd. (Co. road 54) on road to Ralston Gulch (Co. road 77). 1400 Comment
  NY1115231  Lomatium canbyi B. M. Bartholomew 1993-5-10 6477 Modoc Northwest side of Barrel Spring Road near northwest corner of Mud Lake 1680 Comment
  CAS-BOT-BC30170  Lomatium dissectum var. multifidum Annie Montague Alexander; L. Kellogg 1946-6-10 4725 Modoc Slope facing Lower Lake, lava bench between Lower and Snake lakes. Comment
  CAS-BOT-BC30174  Lomatium dissectum var. multifidum K. Paulson; Robert Paulson 1988-6-11 34 Modoc North of Stough Reservoir, Warner Mts.. 1676 Comment
  UC748360  Lomatium dissectum var. multifidum Annie M. Alexander and Louise Kellogg 1946-6-10 4725 Modoc lava bench between Lower Lake and Snake Lake (slope facing Lower Lake) Comment
  CAS-BOT-BC30130  Lomatium grayi var. grayi C. C. (Mrs.) Bruce 1899-6-1 73 Modoc Modoc County. Comment
  UC1608977  Lomatium hendersonii B. Bartholomew with M. Gilbert and L. Skog 1993-5-13 6533 Modoc just w. Mud Lake (on rd. to West Valley Reservoir) 1460 Comment
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Jul 17 2014
  NY1160601  Lomatium leptocarpum A. Tiehm 1984-7-30 8827 Modoc 8.9 road miles NE of Ft. Bidwell on the main road to Adel, just past the road summit. 1615 Comment
  CAS-BOT-BC30145  Lomatium macrocarpum K. Paulson; Robert Paulson 1988-6-11 19 Modoc Barnes Grade, Crowder Flat Rd. to Devil's Garden. 1432 Comment
  CHSC66981  Lomatium nevadense James D. Jokerst 1987-5-11 2825 Modoc Radar Survey Site S of Doublehead Mtn., S of Clear Lake Reservoir. 1363 Comment
  HSC80780  Lomatium nevadense G. M. Riegel 1980-6-30 782 Modoc S Warner Mtns. 1739 Comment
  RSA59537  Lomatium nevadense E. K. Balls 1950-5-20 14803 Modoc 0.75 mile below Mill Creek Falls Public Camp, toward Jess Valley and South Fork Pit River 1677 Comment
  CAS-BOT-BC15757  Lomatium nevadense var. nevadense Annie Montague Alexander; L. Kellogg 1946-6-8 4703 Modoc Near 3 mi. Ranger Station sign, road from Eagleville to Patterson Mille. 2225 Comment
  UC1167725  Lomatium nevadense var. nevadense Peter H. Raven and Otto T. Solbrig 1958-6-18 13311 Modoc Modoc Nat'l Forest, Cottonwood Flat Camp Ground Comment
  CAS-BOT-BC15767  Lomatium nudicaule Alice Eastwood; John Thomas Howell 1940-6-12 8105 Modoc W side of Cedar Pass. Comment
  RSA452582  Lomatium nudicaule Christopher Davidson 1973-5-26 2138 Modoc Highway 299 N of Adin Summit 1524 Comment
  CAS-BOT-BC15727  Lomatium piperi James Vale 1981-5-22 s.n. Modoc Stowe Lake area, Warner Mountains Comment
  RSA452598  Lomatium triternatum Christopher Davidson 1973-5-26 2118 Modoc 4 miles W of Canby on Hwy 299. 1341 Comment
  JEPS5964  Lomatium triternatum var. macrocarpum Frances D. Payne 1931-6-18 197 Modoc S and E of Alturas (Parker Creek); Warner Mountains 1584 Comment
  CAS-BOT-BC21406  Lomatium triternatum var. triternatum John Thomas Howell 1934-6-30 12253 Modoc Duncan Horse Camp. 1355 Comment
  CAS-BOT-BC21408  Lomatium triternatum var. triternatum John Thomas Howell 1934-6-13 12080 Modoc Fandango Pass. 1828 Comment
  CAS-BOT-BC21417  Lomatium triternatum var. triternatum M. M. Hanna 1956-6-4 s.n. Modoc Cedar Pass. Comment
  CAS-BOT-BC21397  Lomatium vaginatum Mrs. H. C. Cantelow 1940-5-31 s.n. Modoc 3 mi. E of Canby. Comment
  CAS-BOT-BC21401  Lomatium vaginatum Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-13 16473 Modoc Roadside 2.4 mi. S of Davis Creek. Comment
  CAS-BOT-BC95168  Lonicera interrupta Belknap C. Goldsmith 1912-7-1 51 Modoc Little Hot Spring Valley. 1219 Comment
  RSA610632  Lonicera involucrata L. C. Wheeler 1935-8-14 3851 Modoc Lily Lake, Pine Creek, Warner Mountains. 2073 Comment
  CAS-BOT-BC95176  Lonicera involucrata var. involucrata R. M. Austin; C. C. (Mrs.) Bruce 1898-7-1 2355 Modoc Mt. Bidwell. Comment
  CAS-BOT-BC181968  Lotus corniculatus Bruce Bartholomew 1992-8-7 6357 Modoc Along the Pit River just SW of Canby Bridge. 1300 Comment
  NY704619  Lotus denticulatus M. J. Williams 1984-6-20 84- 82 --2 Modoc 13.4 miles west along Parker Creek Road 1585 Comment
  SEINET10450477  Lotus denticulatus Williams 1984-6-20 Williams 84 -82-2 Modoc 13.4 mi w along parker creek road. Dry bank withsagebrush, junipers and medusa Head. 1585 Comment
  CAS-BOT-BC181951  Lotus nevadensis var. nevadensis Bruce Bartholomew 1991-7-6 5983 Modoc W side of Egg Lake between lava beds. 1300 Comment
  UC15726  Lotus oblongifolius var. oblongifolius Milo S. Baker 1893-6 Modoc Comment
  CAS-BOT-BC181946  Lotus purshianus var. purshianus M. Vasey 1990-6-30 9042 Modoc Pond along dirt road near Curtis Waterhole, NW of Egg Lake. 1300 Comment
  RSA27896  Lotus unifoliolatus R. M. Austin 1895-06 298 Modoc Goose Lake Valley. Comment
  CAS-BOT-BC181925  Lupinus Roxana Stinchfield Ferris; L. Lorraine 1941-8-14 10584 Modoc 3 mi. from Patterson Ranger Station on road to Eagleville, Warner Mts. Comment
  CAS-BOT-BC181906  Lupinus arbustus Mrs. H. C. Cantelow 1940-6-1 Modoc Cedar Pass, E of Alturas. Comment
  CAS-BOT-BC181913  Lupinus arbustus K. Paulson; Robert Paulson 1991-7-27 245 Modoc Sugar Hill area. 2118 Comment
  JEPS64957  Lupinus arbustus Leland S. Smith 1917-6-10 798 Modoc Jess Valley Warner Mts., Jess Valley 1524 Comment
  CAS-BOT-BC498681  Lupinus arbustus E. K. Balls 1950-5-20 14798 Modoc 1.5 mi below Clear Lake, from Likely, South Fork Pit River 1676 Comment
  UC126988  Lupinus arbustus Mrs. R. M. Austin and Bruce June 1898 2146 Modoc Comment
  NY732854  Lupinus arbustus subsp. calcaratus M. Bourell 1993-8-14 5227 Modoc Patterson Lake. South Warner Wilderness Area. Warner Mountains. 2743 Comment
  RSA59729  Lupinus arbustus subsp. calcaratus E. K. Balls 1950-5-18 14742 Modoc 1.3 miles southwest of Canby Bridge on Highway 299. 1341 Comment
  CAS-BOT-BC182194  Lupinus argenteus John Thomas Howell 1934-6-15 12183 Modoc Alturas. Comment
  CAS-BOT-BC248328  Lupinus argenteus B. Bartholomew; H. Sun 2002-6-24 8809 Modoc Ridge top just S of Manzanita Mt. and 15.3 straight line km NW of Aden 2070 Comment
  LA205002  Lupinus argenteus Alice Eastwood; John Thomas Howell 1940-6-13 8137 Modoc W side of Fandango Pass Comment
  SEINET10451604  Lupinus argenteus subsp. argenteus H. P. Bracelin 1931-6-30 Bracelin 500 Modoc Open field at s end of town. Bush 2 ft high; reddish purple flower 1524 Comment
  CDA27383  Lupinus argenteus var. argenteus T. C. Fuller 1971-7-14 19905 Modoc Southern Warner Mountains; East side of Bear Camp Flat, ca. 7 miles south of Eagleville. 0 Comment
  RSA201202  Lupinus argenteus var. argenteus H. P. Bracelin 1931-6-30 500 Modoc Alturas, south end of town. 1524 Comment
  CAS-BOT-BC182080  Lupinus argenteus var. heteranthus Robert J. Weatherby 1955-7-8 1635 Modoc 3 mi. N of Ft. Bidwell, northern Warner Mts. 1554 Comment
  CAS-BOT-BC182084  Lupinus argenteus var. heteranthus Alice Eastwood; John Thomas Howell 1940-6-14 8234 Modoc Near Hackamore. Comment
  CAS-BOT-BC182095  Lupinus argenteus var. heteranthus Bruce Bartholomew 1990-6-17 5298 Modoc Along Emerson Creek, 3.9 km SW of County Rd 1, E side of Warner Mts. 1700 Comment
  CAS-BOT-BC182115  Lupinus argenteus var. heteranthus Alice Eastwood; John Thomas Howell 1940-6-13 8137 Modoc W side of Fandango Pass. Comment
  CAS-BOT-BC182123  Lupinus argenteus var. heteranthus Mrs. H. C. Cantelow 1940-6-1 Modoc 7.4 mi. E of Hwy 395 on road to Fandango Pass, Warner Mts. Comment
  JEPS118275  Lupinus argenteus var. heteranthus Lowell Ahart, John Dittes 2011-6-22 17556 Modoc About 50 yards east of the road, about 100 yards northeast of the Pilot Butte Parking Lot, north edge of Ash Creek Floodplain, 1.1 miles (air) south of County road 87, 7.7 miles (air) west of Adin, 10 miles (air) east of Lookout, Big Valley 1264 Comment
  RSA0037173  Lupinus argenteus var. heteranthus Lowell A. Ahart, John Dittes 2012-7-11 18338 Modoc North edge of the meadow, about 1/8 mile east of the parking area on the east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  UC1075725  Lupinus argenteus var. heteranthus Robert J. Weatherby 1955-7-8 1635 Modoc 3 mi N of Ft. Bidwell; northern Warner Mountains 1554 Comment
  UC201969  Lupinus argenteus var. heteranthus Franklin P. Nutting Modoc Big Valley; Lassen and Modoc Co. Comment
  UCR102424  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
  CAS-BOT-BC181890  Lupinus brevicaulis Bruce Bartholomew 1995-6-2 6933 Modoc 6.4 km E of Eagleville, S end of Surprize Valley. 1380 Comment
  HSC76462  Lupinus burkei B. J. Cox 1970-6-8 2080 Modoc 1 mi. N of Davis Creek, on U.S. Hwy. 395 Comment
  POM266088  Lupinus caudatus C. Leo Hitchcock 1940-5-27 6653 Modoc 9 miles northeast of Alturas. 1402 Comment
  CAS-BOT-BC181885  Lupinus latifolius Bruce Bartholomew; Barrett Anderson 1988-6-24 4357 Modoc 9.8 km SW of County road 1 on County Road 42, E side of the Warner Mts.. 1960 Comment
  CHSC85177  Lupinus lepidus var. confertus John Dittes; Josephine Guardino 1991-7-21 387 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-BC181874  Lupinus lepidus var. lobbii Annie Montague Alexander; L. Kellogg 1946-8-9 5133 Modoc Patterson Lake Trail, Warner Mts. Comment
  UC15967  Lupinus lepidus var. lobbii Milo S. Baker 1893-6 Modoc Comment
  CAS-BOT-BC181859  Lupinus lepidus var. sellulus Bruce Bartholomew; Barrett Anderson 1988-5-14 4212 Modoc SW corner of Big Sage Reservoir. 1500 Comment
  CAS-BOT-BC181865  Lupinus lepidus var. sellulus K. Paulson; Robert Paulson 1989-5-21 118 Modoc Crowder Flat Road, Devil's Garden. 1341 Comment
  JEPS119667  Lupinus lepidus var. sellulus Lowell Ahart, John Dittes 2012-7-11 18343 Modoc About 1/2 mile southeast of the Pilot Butte Parking Lot, north edge of Ash Creek floodplain, about 1.5 miles (air) south of County Road 87, about 7.5 miles (air) west of Adin, about 10.2 miles (air) east of Lookout, Big Valley. Comment
  UC201967  Lupinus leucophyllus Milo S. Baker 1899-7-10 304 Modoc Burney Valley Comment
  NY747388  Lupinus leucophyllus var. belliae M. S. Baker 1893-6-20 s.n. Modoc Comment
  CAS-BOT-BC181831  Lupinus microcarpus var. microcarpus Bruce Bartholomew 1991-6-20 5771 Modoc Just N of Lassen County line on county road 90. 1220 Comment
  SJSU9583  Lupinus microcarpus var. microcarpus W. Savage 1979-7-4 1343 Modoc Triangel, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  RSA59713  Lupinus polycarpus E. K. Balls 1950-5-18 14763 Modoc Lower Rush Creek Public Camp, off Hwy. 299, 8 mi. N. of Adin. 1311 Comment
  CAS-BOT-BC181828  Lupinus polyphyllus var. burkei Francis Dorris Payne 1931-6-25 258 Modoc Pine Creek Basin, Warner Mts. 2316 Comment
  CAS-BOT-BC181823  Lupinus saxosus C. L. Hitchcock 1940-5-27 6658 Modoc 9 mi. NE of Alturas. 1402 Comment
  SD116268  Lupinus saxosus David B. Dunn, Paul Gallian 1971-6-2 17782 Modoc 9.0 miles southwest of Canby on California Highway 299. 1463 Comment
  SD116284  Lupinus saxosus B. J. Cox 1971-6-3 2608 Modoc 6.0 miles north of Alturas on U. S. Highway 395. 1341 Comment
  UC1481316  Lupinus saxosus Cox, Dunn, Fleak 1970-6-8 1956 Modoc at Jct of US Hwy 395-299 with Cedarville Road 6 mi n Alturas; n of Alturas 1463 Comment
  HSC26002  Lupinus subvexus var. subvexus D. H. Norris, T. Nelson, S. Dowty 1971-6-23 19390 Modoc Along Hager Basin Rd. near Big Sage Reservoir. Comment
  CHSC106349  Lythrum tribracteatum Lowell Ahart; John Dittes 2010-8-30 17055 Modoc North side of a small wash, 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
  POM229965  Machaeranthera canescens var. shastensis L. C. Wheeler 1935-8-27 3924 Modoc South Mountain, Devil's Garden 1585 Comment
  UC579782  Madia citriodora David D. Keck and J. Clausen 1935-6-24 3714 Modoc 3 mi ne Willow Ranch (e of Goose Lake); e of Goose Lake 1554 Comment
  CAS-BOT-BC342651  Madia citriodora David D. Keck; J. Clausen 1935-6-24 3714 Modoc 3 mi. northeast of Willow Ranch, east of Goose Lake 1550 Comment
  CAS-BOT-BC49433  Madia elegans K. Paulson; Robert Paulson 1988-6-19 37 Modoc W of Cranby Bridge. 1310 Comment
  CAS-BOT-BC49402  Madia glomerata Francis Dorris Payne 1934-8-1 Modoc Parker Creek. 1584 Comment
  SJSU9604  Madia glomerata W. Savage 1979-7-5 1372 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  CAS-BOT-BC49423  Madia gracilis John Thomas Howell 1934-6-30 12268 A Modoc Duncan Horse Camp, 6 mi. E of Perez. Comment
  UC33262  Madia gracilis Mrs. R. M. Austin and Bruce July 1898 2323 Modoc Goose Lake Comment
  POM204105  Madia gracilis subsp. gracilis J. T. Howell 1934-6-12 12025 Modoc Warner Mountains: Plum Valley 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
  RSA540059  Madia gracilis subsp. gracilis Bruce Bartholomew 1990-6-15 5210 Modoc Kelly Spring, 5.5 km south-southeast of Highway 299 on road from Rush Creek 1640 Comment
  CAS-BOT-BC242026  Maianthemum racemosum E. S. Willits 1940-6-9 336 Modoc Fandango Pass. Comment
  CAS-BOT-BC242034  Maianthemum racemosum Bruce Bartholomew 1989-7-14 4981 Modoc Vicinity of Upper Rush Creek Camp Ground. 1580 Comment
  POM169302  Maianthemum stellatum M. H. Manning 1903-1 114 Modoc Fort Bidwell, northeastern Modoc Co. Comment
  UCD139122  Maianthemum stellatum Verne Grant; Irving Schneider 1947-7-22 8141 Modoc North Fork of Pit River on Highway 395, about one mile north of junction with Cedarville road. Comment
  CAS-BOT-BC49387  Malacothrix sonchoides Bruce Bartholomew 1992-5-15 6290 Modoc Along Sand Creek in hills on the E side of Surprize Valley, E the N end of Middle Alkali Lake. 1410 Comment
  CAS-BOT-BC95626  Marah fabacea Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-12 6527 Modoc SW facing slope between Whitehorse Reservoir and Little Hot Spring Valley. 1270 Comment
  HSC14227  Marrubium vulgare M. T. Milligan 1966-6-29 487 Modoc Slopes and ridges E of Jess Valley 1646 Comment
  CAS-BOT-BC71146  Marsilea Alice Eastwood; John Thomas Howell 1940-6-15 8282 Modoc Near Happy Camp Ranger Station Comment
  JEPS94718  Marsilea oligospora Vernon H. Oswald and Lowell Ahart 1998-9-8 9597 Modoc Mosquito Lake Whitehorse Flat Reservoir (n side of reservoir, ca. 20 air mi n of McArthur) 1341 Comment
  JEPS94719  Marsilea oligospora Vernon H. Oswald and Lowell Ahart 1998-9-8 9591 Modoc County Rd. 95 nw Lookout (at creek, ca. 0.5 air mi ne of Lookout Junction); Taylor Creek 1280 Comment
  RSA639342  Marsilea oligospora L. C. Wheeler 1935-9-12 3975 Modoc Fletcher Creek at Pease Place, Devil s Garden. 1524 Comment
  CHSC100514  Marsilea vestita subsp. vestita Lowell Ahart; John Dittes 2008-8-26 15340 Modoc On the bottom of Rose Creek, 750 feet southwest of confluence of Rose Creek and Pit River, on the northwest side of unnamed road, 2660 feet east of intersection with County Road 85a, 9.3 miles (air) north-northeast of Lookout. 1276 Comment
  JEPS114951  Marsilea vestita subsp. vestita Lowell Ahart, John Dittes 2008-8-26 15340 Modoc On the bottom of Rose Creek, 750 feet southwest of confluence of Rose Creek and Pit River, on the northwest side of unnamed road, 2660 feet east of intersection with County Road 85a, 9.3 miles (air) north-northeast of Lookout 1276 Comment
  CAS-BOT-BC247627  Melica bulbosa Leland S. Smith 1917-6-21 53 Modoc South Fork Fitzhugh Creek. 1981 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
  UCD66806  Melica spectabilis August L. Hormay 1932-7-17 Modoc Lily Lake. Comment
  SEINET10737674  Melilotus officinalis Andrew Townesmith, Karen M. Meyer 2007-9-15 Townesmith 928 Modoc Modoc National Forest, Warner Mountain Ranger District. Along state route 299, 10.9 miles west of junction with US route 395. At Cedar Pass. T43N R15E S28 SW 1/4. 1928 Comment
  CAS-BOT-BC179867  Mentha arvensis Bruce Bartholomew 1990-8-3 5616 Modoc 8 km E of Likely on road to Jess Valley. Along S Fork of the Pit River. 1420 Comment
  JEPS121211  Mentha arvensis Lowell Ahart, John Dittes 2013-7-24 18939 Modoc South bank of Ash Creek Canal, S of Ash Creek, Ash Creek State Wildlife Area, 0.79 air miles S of County Road 87, 1.73 air miles W of Adin, Big Valley. Comment
  POM70715  Mentha canadensis Mrs. R. M. Austin 1895-08 s.n. Modoc Goose Lake Valley Comment
  UC71758  Mentha canadensis Mrs. M. H. Manning 1903-7 201 Modoc near Fort Bidwell (north-eastern Modoc County); near Fort Bidwell Comment
  HSC14246  Mentha canadensis M. T. Milligan 1964-7-24 162 Modoc Badger Wells Rd. at Boles Creek Crossing 1524 Comment
  CAS-BOT-BC179151  Mentzelia albicaulis Annie Montague Alexander; L. Kellogg 1946-6-12 4736 Modoc Fandango Pass. 1676 Comment
  CAS-BOT-BC179139  Mentzelia dispersa John Thomas Howell 1934-6-30 12264 Modoc Duncan Horse Camp. 1355 Comment
  CAS-BOT-BC179146  Mentzelia dispersa Betty J. Hammerly 1941-6-20 39 Modoc Between Mill Creek Public Camp and Clear Lake. 1767 Comment
  UC748410  Mentzelia dispersa Annie M. Alexander and Louise Kellogg 1946-6-10 4714 Modoc Lava bench between Lower and Snake Lakes Comment
  CAS-BOT-BC179125  Mentzelia laevicaulis Roxana Stinchfield Ferris; L. Lorraine 1941-8-14 10608 Modoc E slope of Fandango Pass near base of pass. Comment
  UCR64881  Mentzelia laevicaulis George K. Helmkamp 1990-9-23 H- 6 Modoc US Hwy 395, 13 mi north of Likely 1345 Comment
  CAS-BOT-BC179113  Mentzelia veatchiana Bruce Bartholomew 1991-6-22 5836 Modoc E slope of S end of Warner Mountains, 3.4 km SW of County Road 1 on road to Patterson. 1620 Comment
  UC748458  Mertensia ciliata Annie M. Alexander and Louise Kellogg 1946-7-19 5028 Modoc Benton Meadow Warner Mountains 2072 Comment
  CAS-BOT-BC54001  Mertensia longiflora Francis Dorris Payne 1932-5-27 408 Modoc Parker Creek. 1584 Comment
  OBI48152  Mertensia longiflora Rhonda Riggins 1989-4-28 1673 Modoc 0.3 mi W West Warner Rd. on Parker Creek Rd., W side of Warner Mtns. 1463 Comment
  HSC28522  Mertensia oblongifolia D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-22 19323 Modoc Soup Springs Campground Comment
  HSC80936  Mertensia oblongifolia G. M. Riegel 1980-8-9 1016 Modoc S Warner Mtns. 2100 Comment
  HSC80937  Mertensia oblongifolia G. M. Riegel 1980-7-31 980 Modoc S Warner Mtns. 2100 Comment
  JEPS70777  Mertensia oblongifolia var. nevadensis Steffen 1917-6-9 29 A Modoc Modoc Forest, Jess Valley 1981 Comment
  CAS-BOT-BC54025  Mertensia oblongifolia var. oblongifolia Bruce Bartholomew 1992-5-15 6300 Modoc Tamarack Flat, E side of the Warner Mountains. 2160 Comment
  CAS-BOT-BC58777  Mertensia oblongifolia var. oblongifolia Bruce Bartholomew 1992-5-15 6301 Modoc Tamarack Flat, E side of the Warner Mountains. 2160 Comment
  CAS-BOT-BC54019  Mertensia oblongifolia var. oblongifolia C. C. (Mrs.) Bruce 1899-7-1 2260 Modoc Modoc County. Comment
  SEINET3152691  Mertensia sibirica Mrs. M. H. Manning 1903-4-1 83 Modoc Near Fort Bidwell; N-eastern part of county 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
  JEPS126544  Microseris nutans Lowell Ahart, John Dittes 2016-6-6 20958 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 Lookout, 7.5 miles (air) west of Adin, Ash Creek State Wildlife Area. Comment
  RSA0049627  Microseris nutans Dean Wm. Taylor 2012-6-5 21216 Modoc Vicinity Crank Spring (11 air miles North of Lookout) 1365 Comment
  RSA607253  Microseris nutans L. C. Wheeler 1935-8-16 3883 Modoc Dismal Swamp, Twenty Mile Creek. Warner Mountains. Mt. Diablo Mer 2226 Comment
  POM299284  Microsteris gracilis subsp. gracilis Frances D. Payne 1931-6-25 269 Modoc Pine Creek Basin 2317 Comment
  UCD149974  Mimulus bigelovii Harry George 1967-6-15 s.n. Modoc West of Lookout. 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
  UC71617  Mimulus breweri Mrs. M. H. Manning Modoc Mt. Bidwell Comment
  HSC65565  Mimulus guttatus Thomas Wood 1979-8-8 212 Modoc 1 mi. S of Ft. Bidwell along Hwy. 1, corner house where road turns W 1372 Comment
  JEPS11393  Mimulus guttatus W. L. Jepson 1918-8-7 7853 Modoc Mt. Bidwell Warner Mts. 1798 Comment
  JEPS11547  Mimulus guttatus W. L. Jepson 1918-8-12 7955 Modoc Jess Valley 1584 Comment
  RSA185361C  Mimulus guttatus Clare B. Hardham 1961-6-17 7514 Modoc Cedar Pass Camp Ground, Warner Mountains. 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
  UC71678  Mimulus guttatus Mrs. M. H. Manning 1902-5 47 Modoc near Fort Bidwell Comment
  UC1602795  Mimulus guttatus Milo S. Baker 1893-7-2 Modoc Comment
  RSA584828  Mimulus latidens Bruce Bartholomew 1993-6-12 6577 Modoc Road to Day Rock from Little Hot Spring Valley. 1250 Comment
  JEPS10991  Mimulus lewisii H. A. Dutton 1912-1 Modoc North Fork Bidwell Creek Comment
  JEPS10992  Mimulus lewisii L. S. Smith 1917-7-29 884 Modoc Mill Creek warner Mts. 1981 Comment
  SJSU9892  Mimulus longulus W. Savage 1979-7-26 1571 Modoc Fletcher Cr, Long Meadow Unit, Devils Garden District, Modoc National Forest 1615 Comment
  UC27055  Mimulus moschatus Mrs. R. M. Austin and Bruce July 1898 2275 Modoc head Davis Creek Comment
  RSA165594  Mimulus nanus var. nanus Clare B. Hardham 1961-6-19 7841 Modoc Willow Creek. Warner Mountains. 1677 Comment
  RSA186209  Mimulus nanus var. nanus Clare B. Hardham 1961-6-19 7841 Modoc Willow Creek, Warner Mountains. 1524 Comment
  RSA152603  Mimulus nanus var. nanus I. L. Wiggins, Dorothy B. Wiggins 1961-6-12 16413 Modoc Near summit of Cedar Pass, between Alturas and Cedarville. 1936 Comment
  UC103787 Image available Mimulus nanus var. nanus Mrs. R. M. Austin 1885-1 Modoc Modoc Co. 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
  HSC72414  Mimulus primuloides var. primuloides J. P. Smith, J. O. Sawyer 1973-8-9 7273 Modoc Blue Lake, Modoc National Forest 1829 Comment
  HSC80803  Mimulus primuloides var. primuloides G. M. Riegel 1980-8-6 997 Modoc S Warner Mtns. 2100 Comment
  UC1037256  Mimulus pulsiferae Leo Whitney 1935-6-9 3203 Modoc White Horse Comment
  JEPS79125  Mimulus pygmaeus L. R. Heckard with R. Bacigalupi 1980-6-10 5229 Modoc about 11 mi nw Lookout (w edge of Egg Lake (se end) meadow, type locality) Comment
  RSA535786  Mimulus pygmaeus David M. Thompson 1988-6-3 929 Modoc Lookout Junction. 1300 Comment
  SEINET3367733 Image available Mimulus rubellus Annie M. Alexander, Louise Kellogg 1946-7-24 5078 Modoc Bear Camp Flat, Warner Mountains. 2286 Comment
  UC1025084  Mimulus tricolor Leo Whitney 1935-6-2 3179 Modoc near White Horse; White Horse lake (flat) Comment
  UC26856  Mimulus tricolor M. S. Baker and Frank Nutting 1894-6-8 Modoc Egg Lake Comment
  UC465889  Minuartia douglasii Franklin P. Nutting Modoc Big Valley Mts. Comment
  CAS-BOT-BC225809  Mitella pentandra Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-14 16489 Modoc 6.4 mi. S of LKassen Creek campground, on road to Buck Mountain, Warner Mts. Comment
  NY758255  Mitella pentandra R. M. Austin 08 1894 s.n. Modoc Lassen Creek Comment
  RSA583125  Monardella odoratissima Louis C. Wheeler 1935-8-14 3841 Modoc Pine Creek. Warner Mtns. 2012 Comment
  CAS-BOT-BC179371  Monardella odoratissima subsp. glauca Bruce Bartholomew 1995-7-31 7082 Modoc Top of a rocky knob, E of Bald Mountain, E side of the Warner Mts. 2160 Comment
  UC104638  Monardella odoratissima subsp. glauca Mrs. R. M. Austin July, 1894 72 Modoc Davis Creek Comment
  UC1553401  Monardella odoratissima subsp. glauca G. Schoolcraft 1988-7-12 1826 Modoc at mouth N. Deep Creek; Warner Mtns. 1524 Comment
  JEPS63422  Monardella odoratissima subsp. glauca Leland S. Smith 1918-8-18 1046 Modoc Ridge between Eagle Mt. and Bear Mt.; Warner Mts. 2438 Comment
  UC25490  Monardella odoratissima subsp. glauca Milo S. Baker 1893-7-8 Modoc Comment
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Oct 10 2006
  CHSC67816  Monardella odoratissima subsp. odoratissima James D. Jokerst 1990-8-1 3206 Modoc Lava Beds National Monument, summit and upper W-facing slope of Caldwell Minor near E edge of monument boundary. 1402 Comment
  UC25509  Monardella odoratissima subsp. pallida Milo S. Baker 1893-6-20 Modoc At Egg Lake Comment
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Oct 10 2006
  CHSC67101  Monolepis nuttalliana James D. Jokerst 1987-6-24 2939 Modoc NE of Doublehead Mtn., ca. 2.0 mi WSW of Red Lake. Comment
  CAS-BOT-BC197518  Montia chamissoi Bruce Bartholomew 1991-7-7 6006 Modoc Pot Hole Spring. 1890 Comment
  HSC17741  Montia chamissoi M. T. Milligan 1965-6-23 312 Modoc N end of Jess Valley 1616 Comment
  POM101941  Montia chamissoi Mrs. R. M. Austin 1895-07 470 Modoc Goose Lake Valley. Comment
  UC1101397  Montia chamissoi Malcolm A. Nobs, S. Galen Smith 1949-5-29 771 Modoc one mi e of Lake City Comment
  CAS-BOT-BC197513  Montia fontana Bruce Bartholomew 1992-5-15 6297 Modoc N end of Surprise Valley, S of Cow Head Lake. 1600 Comment
  CAS-BOT-BC197506  Montia linearis Bruce Bartholomew; Barrett Anderson 1989-4-30 4715 Modoc Along Ralston Gulch, 2.4 km S of Caldwell Road (Co. road 54). 1450 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
  JEPS70579  Muhlenbergia asperifolia L. S. Smith 1917-8-19 152 Modoc Bidwell Warner Mts. 1371 Comment
  SBBG117349  Muhlenbergia asperifolia B. Crampton 1954-7-8 2187 Modoc ca. 1.5 mi W of Alturas, extension of 4th St Comment
  SEINET7297181 Image available Muhlenbergia asperifolia Leland S. Smith 1917-1 152901 Modoc Surprise Valley, Ft. Bidwell, Warner Mts. 1372 Comment
  UCD86552  Muhlenbergia asperifolia Herbert L. Mason 1947-8-15 13542 Modoc Mouth of Crane Creek on Willow Ranch, east side of Goose Lake. Comment
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Aug 21 2013
  CAS-BOT-BC247564  Muhlenbergia filiformis Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10560 Modoc Patterson Ranger Station (East Creek drainage). 2164 Comment
  SEINET4343716 Image available Muhlenbergia richardsonis Unknown 1988-6-18 7609 Modoc West side of Hwy 139 just south of where it crosses railroad at junction to Clear Lake, NE of Dry Lake east of Lava Beds National Monument 1250 Comment
  CAS-BOT-BC247560  Muhlenbergia richardsonis Leland S. Smith 1924-5-31 5 Modoc Lava beds N of Lava Ranger Station. Comment
  SEINET8400744  Munroa squarrosa Richard R. Halse 2006-8-3 6988 Modoc Along Jess Valley Road ca. 4 miles east of Likely, just past bridge over the Pit River. 1387 Comment
  CAS-BOT-BC392257  Myosurus apetalus Ellsworth Bethel 1923-4-25 s.n. Modoc Kelby Hot Springs Comment
  RSA399952  Myosurus minimus var. filiformis Christopher Davidson 1973-5-26 2151 Modoc 1 mile N of Adin Summit on St. Hwy 299; Modoc Nat'l Forest 1524 Comment
  CAS-BOT-BC180053  Myriophyllum verticillatum Robert Folger Thorne; C. W. Tilforth 1969-9-5 39147 Modoc N of S Fork of Pit River above jct. with W Creek at Public Campground, ca. 6 mi E of Likely. 1402 Comment
  OBI48662  Nama demissa Lewis S. Rose 1940-6-14 40581 Modoc Mammoth Cave, 5 mi W of Perez 1280 Comment
  SEINET3156163  Nama demissa L. S. Rose 1940-6-14 40581 Modoc Mammoth Cave, 5 miles W of Perez 1280 Comment
  HSC6876  Nasturtium officinale M. T. Milligan 1966-7-1 521 Modoc N end of Jess Valley. 1616 Comment
  UC1178897  Navarretia breweri Herbert L. Mason 1947-7-8 13306 Modoc Cedar Pass, summit of Warner Range Warner Range 1920 Comment
  CAS-BOT-BC197996  Navarretia heterandra Alice Eastwood; John Thomas Howell 1940-6-15 8294 Modoc 9 mi. N of Lookout. Comment
  RSA767681  Navarretia intertexta L. Ahart, John Dittes 2010-8-30 17056 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
  JEPS117329  Navarretia intertexta subsp. intertexta Lowell Ahart, John Dittes 2010-8-30 17056 Modoc About 10 yards west of the fence, south edge of the meadow, Ash Creek State Wildlife Area, 2300 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley 1267 Comment
  CAS-BOT-BC197989  Navarretia intertexta subsp. propinqua Annie Montague Alexander; L. Kellogg 1946-7-7 4932 Modoc Eight Mile Creek, NE corner of county. 1752 Comment
  POM261442  Navarretia intertexta subsp. propinqua Alice Eastwood, J. T. Howell 1940-6-13 8131 Modoc West side of Fandango Pass. Comment
  UC1199837  Navarretia intertexta subsp. propinqua Herbert L. Mason 1946-7-13 13445 Modoc s of Goose Lake (near Highway 395); Joseph Creek Comment
  JEPS79119  Navarretia leucocephala subsp. leucocephala L. R. Heckard with R. Bacigalupi 1980-6-10 5221 Modoc sw margin Egg Lake (now dry); Egg Lake Comment
  CAS-BOT-BC197969  Navarretia leucocephala subsp. minima Leland S. Smith 1924-5-31 1355 Modoc Egg Lake above ranch. 1310 Comment
  UC1191635  Navarretia linearifolia subsp. linearifolia Herbert L. Mason 1947-8-8 13455 Modoc nw Alturas (Ingalls Swamp); n of Big Sage Reservoir, Ingalls Swamp Comment
  RSA83300  Navarretia sinistra Verne Grant, Alva Grant 1947-7-13 8015 Modoc Fandango Pass, Warner Mountains. Comment
  CHSC112141  Nemacladus capillaris Dean Wm. Taylor 2012-6-19 21244 Modoc Mouth of Baggett Gulch (ca 3 air miles S of Canby), Modoc National Forest. 1463 Comment
  POM260426  Nemophila breviflora C. L. Hitchcock 1940-5-27 6661 Modoc 12 miles NE of Alturas. 1616 Comment
  HSC81074  Nemophila parviflora G. M. Riegel 1979-7-2 471 Modoc S Warner Mtns. 1670 Comment
  CAS-BOT-BC179291  Nemophila pedunculata Bruce Bartholomew; M; M. Gilbert; L. E. Skog 1993-5-11 6494 Modoc Junction of Crowder Flat Road and the road to the N side of Big Sage Reservoir. 1580 Comment
  JEPS4034  Nemophila pedunculata Frances D. Payne 1932-6-5 413 Modoc s and e Alturas (Warner Mountains, Parker Creek, Dry Creek, tributary of); Warner Mountains, Parker Creek, Dry Creek, tributary of 1676 Comment
  UC20412  Neoholmgrenia andina M. S. Baker and Frank Nutting 1894-6-29 Modoc Big Valley Comment
  UC71669  Neoholmgrenia andina Mrs. M. H. Manning 1904-7-16 384 Modoc se slope Mt. Bidwell 1950 Comment
  CHSC118326  Nestotus stenophyllus L. P. Janeway 2016-5-17 12014 Modoc Modoc Plateau. Devils Garden area; flat just below (west of) Porcupine Rim; 0.3 km north of Road 43N18; 4.0 air-km west of Big Sage Reservoir. 1544 Comment
  HSC26499  Nestotus stenophyllus J. P. Smith, J. O. Sawyer 1972-5-6 5273 Modoc Along Hwy. 299, 4 mi. W of Modoc County Rd. 58, E of Alturas 1494 Comment
  UC86616  Nestotus stenophyllus Mrs. R. M. Austin May, 1894 31 Modoc Goose Lake Valley Comment
  CAS-BOT-BC245369  Nicotiana attenuata Bruce Bartholomew; Barrett Anderson 1990-7-21 5550 Modoc W edge of Middle Alkali Lake, directly E of Cedarville, Surprise Valley. 1370 Comment
  CHSC106332  Nicotiana attenuata Lowell Ahart; John Dittes 2010-8-30 17081 Modoc Parking Area west of the old barn, on the west side of Elkins Lane, Ash Creek State Wildlife area, 320 feet north of Lassen County Line, about 4.4 miles (air) west of Adin, about 7.2 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  NY962860  Nicotiana attenuata B. M. Bartholomew 1990-7-21 5550 Modoc West edge of Middle Alkali Lake, directly east of Cedarville, Surprise Valley 1370 Comment
  JEPS43991  Oenothera cespitosa subsp. crinita Mary H. Manning 1920-5-30 Modoc Likely Comment
  CAS-BOT-BC190809  Oenothera elata subsp. hirsutissima Belknap C. Goldsmith 1912-8-5 69 Modoc W side of Goose Lake. 1463 Comment
  JEPS118470  Oenothera flava Lowell Ahart, John Dittes 2011-6-21 17515 Modoc About 200 yards west of the fence, south edge of the meadow, Ash Creek State Wildlife Area, about 2,000 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley 1267 Comment
  CAS-BOT-BC245090  Olsynium douglasii var. douglasii Bruce Bartholomew; M; M. Gilbert; L. E. Skog 1993-5-11 6512 Modoc 11 km S of Oregon Border along W side of Goose Lake. 1440 Comment
  CAS-BOT-BC245094  Olsynium douglasii var. douglasii R. L. Ward 1976-5-18 s.n. Modoc unspecified 1508 Comment
  UC190690  Olsynium douglasii var. douglasii M. F. Gilman 581 Modoc Modoc Co. Hills 1676 Comment
  CDA36035  Onopordum acanthium C. Pirosko Jul 2003 s.n. Modoc 0 Comment
  CDA7561  Onopordum acanthium T. C. Fuller 1958-7-9 900 -58 Modoc South of 4th Street, east of East Street, Alturas. 0 Comment
  CAS-BOT-BC190791  Orobanche fasciculata Bruce Bartholomew 1990-6-18 5377 Modoc Crowder Flat Rd, 0.3 km N of turn off to Big Sage Reservoir. 1480 Comment
  CAS-BOT-BC190792  Orobanche fasciculata Elmer Ivan Applegate 1897-6-1 3031 Modoc 9 mi. W of Alturas. Comment
  HSC81025  Orobanche uniflora G. M. Riegel 1980-7-14 883 Modoc S Warner Mtns. 1829 Comment
  RSA59720  Orobanche uniflora E. K. Balls 1950-5-18 14756 Modoc N of Upper Rush Creek Public Camp; 2.5 mi. east from Hwy. 299 1738 Comment
  UC27901  Orobanche uniflora subsp. occidentalis Mrs. R. M. Austin 1894-1 Modoc Comment
  CAS-BOT-BC95700  Orthilia secunda Bruce Bartholomew 1989-8-12 5120 Modoc South Fork of Pine Creek where it crosses West Warner Road, W side of Warner Mountains. 1900 Comment
  RSA165574  Orthocarpus attenuatus Clare B. Hardham 1961-6-18 7804 Modoc Lava flows, north fork Pitt R. 3.3 miles SW Cedar Pass Rd. 1372 Comment
  CDA14602  Orthocarpus cuspidatus subsp. cryptanthus G. D. Barbe 1991-8-27 4442 Modoc Warner Mountains; east of Bald Mountain, Modoc National Forest. 2316 Comment
  HSC80741  Orthocarpus cuspidatus subsp. cryptanthus G. M. Riegel 1980-6-30 781 Modoc S Warner Mtns. 1739 Comment
  JEPS120506  Orthocarpus cuspidatus subsp. cryptanthus B. Castro and L. P. Janeway 2012-7-24 1954 Modoc Warner Mountains. Northwestern flank of Mount Bidwell; ca 0.6 air mi s of Dismal Swamp, off upper edge of open lodgepole pine forest. Comment
  JEPS3006  Orthocarpus cuspidatus subsp. cryptanthus Frances Payne 1932-6-26 614 Modoc high ridges n Parker Creek (Warner Mountains); , high ridges n of Parker Creek 1828 Comment
  CAS-BOT-BC15739  Osmorhiza chilensis Elmer Ivan Applegate 1932-7-31 7962 Modoc Mill Creek Meadow. 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
  RSA97461  Osmorhiza occidentalis F. W. Peirson 1926-6-25 6886 Modoc Small side canyon 1 mile east of summit of Warner Mountains, on Cedarville Road Comment
  CAS-BOT-BC218101  Oxyria digyna Bruce Bartholomew 1991-8-5 6039 Modoc Squaw Peak Trail on N side of Squaw Peak, E side of Warner Mts. 2420 Comment
  NY404356  Oxyria digyna B. M. Bartholomew 1991-8-5 6039 Modoc Squaw Peak Trail on north side of Squaw Peak, east side of Warner Mountains 2420 Comment
  RSA17706  Oxyria digyna Elmer I. Applegate 1932-8-5 8178 Modoc Craggy summit of Cedar Mountain, north of Cedar Pass, Warner Mountains Comment
  UCR34759  Oxyria digyna J. A. Harpel 1981-8-6 V- 43 Modoc Warner Mtns, South Warner Wilderness Area: E end of Patterson Lake, 7 mi NW of Eagleville 2744 Comment
  CAS-BOT-BC498758  Packera L. S. Smith 1924-6-1 s.n. Modoc Mooc Forest. West side Egg Lake Comment
  UC585149  Packera cana E. B. Babcock, G. L. Stebbins Jr. 1936-6-9 1829 Modoc about 3 mi w Cedarville (in the Warner Mountains, Cedar Creek Canyon); Warner Mountains, Cedar Creek Canyon Comment
  UC1523796  Packera cana Gary Schoolcraft 1981-5-12 390 Modoc sw Alturas 1493 Comment
  UCD134775  Packera eurycephala B. L. Kay 1960-6-1 s.n. Modoc 2.5 miles northeast of Likely. 1371 Comment
  CAS-BOT-BC316873  Packera eurycephala var. eurycephala R. M. Austin 1894-7-1 s.n. Modoc Goose Lake Valley Comment
  CAS-BOT-BC50324  Packera eurycephala var. eurycephala Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16370 Modoc Junction of Cedar Pass road with Hwy 299. Comment
  UC91356  Packera pseudaurea subsp. pseudaurea Mrs. R. M. Austin August 1894 Modoc banks Davis Creek; banks of Davis Creek Comment
  UC91475  Packera pseudaurea subsp. pseudaurea Mrs. R. M. Austin Aug 1894 307 Modoc banks of Davis Creek; banks of Davis Creek Comment
  CAS-BOT-BC190772  Paeonia brownii Bruce Bartholomew; Barrett Anderson 1989-4-29 4686 Modoc Surprise Valley Road, just S of the Oregon border, extreme NE corner of Modoc County. 1630 Comment
  UC480851  Paeonia brownii W. P. Taylor and H. C. Bryant 1910-7-13 Modoc N. Fork Parker Creek Warner Mountains (head) 2286 Comment
  UC748209  Paeonia brownii Annie M. Alexander and Louise Kellogg 1946-6-15 4778 Modoc Deep Creek 2164 Comment
  UC9352  Paeonia brownii Mrs. R. M. Austin and Bruce June 1898 2227 Modoc Lake City Mt. Comment
  POM99644  Paeonia brownii R. M. Austin, C. C. Bruce 1898-06 2227 Modoc Lake City Mt. Comment
  RSA0013799  Paeonia brownii Joan Stewart 2005-6-6 2485 Modoc Stowe Reservoir, Warner Mountains. Comment
  UC1237946  Paeonia brownii John Weiler and A. P. Nelson May 26 1961-May 29 1961 61221 Modoc Cedar Pass Warner Mountains (steep slopes above hwy) Comment
  CAS-BOT-BC225849  Parnassia fimbriata Leland S. Smith 1918-8-26 1049 Modoc Head of canyon, Owl Creek Canyon. 2286 Comment
  JEPS49576  Parnassia fimbriata Leland S. Smith 1918-8-26 1049 Modoc Modoc National Forest, Owl Creek Canyon Owl Creek Canyon; Modoc National Forest, Owl Creek Canyon Comment
  CAS-BOT-BC95498  Paxistima myrsinites Bruce Bartholomew 1995-6-22 6976 Modoc Between Day and Lookout, 7.4 km W of Day on County Road 94 along Widdow Valley Creek. 1350 Comment
  HSC80739  Pedicularis attollens G. M. Riegel 1980-8-9 1002 Modoc S Warner Mtns. 1670 Comment
  POM182478  Pedicularis attollens Franklin Nutting s.n. Modoc Forestdale. Comment
  POM203786  Pedicularis groenlandica J. T. Howell 1934-6-14 12140 Modoc Near Lost Lake, Warner Mts. 2439 Comment
  CAS-BOT-BC232305  Pedicularis groenlandica subsp. surrecta Elmer Ivan Applegate 1932-7-6 8242 Modoc Lily Lake, Bidwell Pass, Warner Mountatins Comment
  UC1093650  Pedicularis semibarbata Herbert L. Mason 1957-7-6 14722 Modoc divide between Davis Creek and Mill Creek; Warner Mountains, Benton Meadows Comment
  JEPS11490  Penstemon cinicola W. L. Jepson 1918-8-7 7883 Modoc Mt. Bidwell 2468 Comment
  UC27427  Penstemon cinicola M. S. Baker and Frank Nutting 1894-1 Modoc Egg Lake Comment
  HSC80737  Penstemon davidsonii G. M. Riegel 1979-7-28 614 Modoc S Warner Mtns. 1829 Comment
  CAS-BOT-BC232345  Penstemon davidsonii var. davidsonii Robert Patterson; Mona Bourell 1993-8-15 5277 Modoc Warner Mountains. Along trail from Patterson Lake to ca. 2 mi north towards Pepperdine Trailhead. 2743 Comment
  UC748176  Penstemon davidsonii var. davidsonii Annie M. Alexander and Louise Kellogg 1946-7-1 4890 Modoc Bidwell Creek road, 1/2 mi E of summit Warner Mountains Comment
  UC748177  Penstemon deustus Annie M. Alexander and Louise Kellogg 1946-6-28 4868 Modoc Pine Creek Canyon , Pine Creek Canyon (n end of Warner Mountains) 1615 Comment
  CAS-BOT-BC232326  Penstemon deustus var. pedicellatus Isabelo T. Kelly 1930-1-1 46 Modoc Modoc County. Comment
  CAS-BOT-BC232330  Penstemon deustus var. pedicellatus Elmer Ivan Applegate 1932-8-6 8215 Modoc Rocky summit of Yellow Mountain, Bidwell Pass, Warner Mountains Comment
  CAS-BOT-BC232371  Penstemon deustus var. pedicellatus Annie Montague Alexander; L. Kellogg 1946-6-28 4868 Modoc Pine Creek Canyon, North end of Warner Mountains 1615 Comment
  HSC1971  Penstemon deustus var. pedicellatus M. T. Milligan 1965-6-30 394 Modoc Slopes and ridges E of Jess Valley. 1768 Comment
  NY591816  Penstemon deustus var. pedicellatus B. M. Bartholomew 1990-6-15 5223 Modoc Southwest side of Deer Spring Ridge near the border with Lassen Co. 1720 Comment
  UC71747  Penstemon deustus var. pedicellatus Mrs. M. H. Manning 1903-6-8 158 Modoc Mt. Bidwell Mt. Bidwell (north-eastern Modoc County) 1676 Comment
  CAS-BOT-BC232334  Penstemon deustus var. pedicellatus C. C. (Mrs.) Bruce 1899-1-1 2206 Modoc Mt. Comment
  CAS-BOT-BC245538  Penstemon gracilentus Annie Montague Alexander; L. Kellogg 1946-6-28 4861 Modoc Pine Creek Canyon, Warner Mountains 2011 Comment
  NY600735  Penstemon gracilentus B. M. Bartholomew 1988-7-21 4472 Modoc Vicinity of Patterson Campground, southern end of the Warner Mountains Comment
  UC27452  Penstemon gracilentus Milo S. Baker 1893-6 Modoc Comment
  NY601604  Penstemon heterodoxus var. shastensis J. D. Jokerst 1987-5-12 2848 Modoc Ca. 4 miles south of Doublehead Mountain, east of Highway 139, northwest of Canby Comment
  CAS-BOT-BC245521  Penstemon humilis var. humilis Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-15 16503 Modoc 22 mi. W of Canby along Hwy 139. Comment
  CAS-BOT-BC245519  Penstemon janishiae M. J. Williams; T. Holmcomb; B. Holcomb; L. Saxton 1988-5-28 88- 24 -2 Modoc Grade up to Crowder Flat from Hwy 229, W of Alturas. Top of steep bank by road. 1478 Comment
  LA35157  Penstemon newberryi var. newberryi Mary V. Hood; 1944-6-27 44- 91 k* Modoc Sierra Nevada, Sequoia National Park, Summit Little Baldy 2544 Comment
  CAS-BOT-BC232505  Penstemon roezlii M. M. Hanna 1956-6-7 s.n. Modoc Hwy 139 between Canby and Tienesta. Comment
  UC887106  Penstemon roezlii C. L. Hitchcock 1940-5-27 6651 Modoc 9 mi ne Alturas; ne of Alturas 1402 Comment
  CAS-BOT-BC245491  Penstemon rydbergii var. oreocharis Elmer Ivan Applegate 1932-7-9 7595 Modoc N side of Bidwell Mountain. Comment
  CAS-BOT-BC245507  Penstemon rydbergii var. oreocharis Bruce Bartholomew; Barrett Anderson 1989-6-3 4871 Modoc Boles Creek, ca. 5.5 km E of the SE corner of Clear Lake Reservoir. 1430 Comment
  SEINET7948426 Image available Penstemon rydbergii var. oreocharis N. H. Holmgren, P. K. Holmgren 2014-6-13 16550 Modoc Warner Mountains, Plum Valley Road 5.1 km (3.2 miles) road distance southeast US HWY 395 (in the small town of Davis Creek) 1708 Comment
  UC102983  Penstemon rydbergii var. oreocharis R. M. Austin Aug. 1894 300 Modoc Davis Creek Comment
  UC748179  Penstemon rydbergii var. oreocharis Annie M. Alexander and Louise Kellogg 1946-6-14 4749 Modoc Silver Creek branch of Patterson Mill road 1828 Comment
  CAS-BOT-BC245547  Penstemon speciosus Elmer Ivan Applegate 1939-7-9 7579 Modoc Bidwell Mountain. Comment
  CAS-BOT-BC245555  Penstemon speciosus David Daniels Keck; Jens Chr. Clausen 1935-6-24 3724 Modoc 9 mi. N of Alturas. 1524 Comment
  RSA271899  Penstemon speciosus Christopher Davidson 1975-6-4 2613 Modoc 1/4 mi. W of Cedarville on Hwy 299. 1463 Comment
  HSC21058  Penstemon speciosus M. T. Milligan 1964-7-1 128 Modoc 6 mi. N of Hwy. 139 on FS Rd. 44N15 1524 Comment
  RSA11915  Penstemon speciosus Elmer I. Applegate 1932-8-1 8037 Modoc High arid summit of Warner Mountains, south of Warren Peak. Comment
  CAS-BOT-BC214732  Peraphyllum ramosissimum Bruce Bartholomew; Barrett Anderson 1988-5-12 4138 Modoc Along the N side of the Pit River, 0.5 km W of State Highway 299 on Bushey Road. 1310 Comment
  JEPS90471  Peraphyllum ramosissimum Dean Wm. Taylor with Glenn L. Clifton 1992-5-7 12535 Modoc ca. 7 mi. w. Alturas (Hwy. 299 at Milepost 25.5, on hillside 0.3 mi. n. of hwy.); Modoc Plateau Comment
  SBBG2991  Peraphyllum ramosissimum H. and M. Dearing 1939-6-7 3587 Modoc W of Alturas 1310 Comment
  NY1102247  Perideridia bolanderi subsp. bolanderi L. C. Wheeler 1935-8-16 3881 Modoc Dismal Swamp, Twenty Mile Creek, Warner Mountains 2225 Comment
  CAS-BOT-BC15715  Perideridia oregana Annie Montague Alexander; L. Kellogg 1946-7-10 4951 Modoc N of Lake Annie. Comment
  RSA32026  Perideridia oregana A. A. Heller 1941-6-25 16208 Modoc On the plateau south of Big Sage Reservoir northwest of Alturas Comment
  CAS-BOT-BC95156  Peritoma platycarpa Mrs. H. C. Cantelow 1940-5-31 3059 Modoc 7.3 mi W of Alturas. Comment
  CAS-BOT-BC95158  Peritoma platycarpa Fred D. Douthitt 1916-5-11 24 Modoc Juniper Flats near Flournoy Swale 1524 Comment
  CHSC109677  Persicaria amphibia Lowell Ahart; John Dittes 2012-7-10 18327 Modoc On the drying north side of the drainage, east of the fence, northwest of the old homestead, Ash Creek State Wildlife Area, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  UC748109  Phacelia Annie M. Alexander and Louise Kellogg 1946-6-12 4735 Modoc e side Fandango Pass rd 1676 Comment
  UC748111  Phacelia hastata Annie M. Alexander and Louise Kellogg 1946-6-30 4870 Modoc Highgrade north end of Warner Mountains (w side of ridge) 2377 Comment
  SJSU11217  Phacelia hastata J. W. Tilden 1958-6-25 1266 Modoc near Monument Hdqtrs, Lava Beds National Monument Comment
  CAS-BOT-BC179272  Phacelia hastata subsp. compacta Elmer Ivan Applegate 1932-8-3 8119 Modoc High summit of Warner Mts. N of Eagle Peak. Comment
  CAS-BOT-BC179257  Phacelia hastata subsp. hastata Milo Samuel Baker; Franklin P. Nutting 1894-6-5 s.n. Modoc Big Valley Mts. Comment
  HSC13656  Phacelia hastata var. hastata M. T. Milligan 1964-6-25 87 Modoc Upper Lassen Creek 1829 Comment
  SEINET5764724  Phacelia hastata var. hastata A. Sanger 1996-7-12 2427 Modoc Road 44N69 at junction with road to small stock pond, alongside road 2121 Comment
  CAS-BOT-BC180004  Phacelia heterophylla subsp. virgata Clare Butterworth Hardham 1971-6-19 7851 Modoc Davis Creek. Comment
  CAS-BOT-BC180011  Phacelia heterophylla subsp. virgata Bruce Bartholomew; Barrett Anderson 1990-7-21 5549 Modoc W edge of Middle Alkali Lake, directly E of Cedarville, Surprise Valley. 1370 Comment
  UC24490  Phacelia heterophylla subsp. virgata M. S. Baker and Frank Nutting 1894-6-8 Modoc Little Hot Spring Valley Comment
  HSC13657  Phacelia heterophylla subsp. virgata M. T. Milligan 1964-7-1 100 Modoc 1/2 mi. E of Rattlesnake Butte Rd. on Modoc Co. Rd. 54 1372 Comment
  RSA427984  Phacelia heterophylla subsp. virgata Christopher Davidson 1975-6-4 2594 Modoc 0.4 mile east of Highway 395 on Highway 299 toward Cedarville. Fenced pasture on south side of road. 1380 Comment
  CAS-BOT-BC179980  Phacelia humilis var. humilis K. Paulson; Robert Paulson 1989-5-21 122 Modoc Boles Creek on County Road 136. 1438 Comment
  CAS-BOT-BC179995  Phacelia humilis var. humilis K. Paulson; Robert Paulson 1988-6-11 29 Modoc N of Stough Reservoir, Warner Mts.. 1706 Comment
  POM264911  Phacelia humilis var. humilis J. T. Howell 1934-6-13 12062 Modoc Fandango Pass, Warner Mountains. 1829 Comment
  RSA42004  Phacelia humilis var. humilis H. C. Cantelow 1940-6-1 3230 Modoc Cedar Pass Summit, Warner Mountains. Comment
  RSA427993  Phacelia humilis var. humilis George Willet 1935-7-21 s.n. Modoc Warner Mountains 2439 Comment
  JEPS101585  Phacelia inundata Dean W. Taylor 1988-8-11 10036 Modoc Clear Lake Reservior, southern shore 1362 Comment
  NY1055162  Phacelia inundata B. M. Bartholomew 1995-5-13 6910 Modoc 4.8 km west of Eagleville, east side of the south end of Surprise Valley 1480 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-BC179964  Phacelia linearis John Thomas Howell 1934-6-30 12256 Modoc Duncan Horse Camp. 1355 Comment
  SEINET5512250  Phacelia linearis J. C. Beatley 1964-1 Modoc Tule Lake area 1829 Comment
  UC748443  Phacelia linearis Annie M. Alexander and Louise Kellogg 1946-6-18 4796 Modoc meadow Patterson Mill-Silver Creek roads 1828 Comment
  CAS-BOT-BC179941  Phacelia mutabilis Lawrence Ray Heckard 1952-6-19 312 A Modoc Just below summit of Fandango Pass. 1828 Comment
  CAS-BOT-BC179942  Phacelia mutabilis Alice Eastwood; John Thomas Howell 1940-6-12 8042 Modoc Between Likely and Jess Valley. Comment
  HSC24868  Phacelia mutabilis Richard Spjut 1970-7-22 875 Modoc Just NW of Little Baldy Peak, 6 mi. W of Surprise Valley, N of Warner Mts. Comment
  UC24413  Phacelia mutabilis Milo S. Baker 1893-6-20 Modoc Fruitdale Big Valley Mts. 1524 Comment
  SEINET12271398  Phacelia ramosissima M. Ownbey, Meyer, F. G. 1940-1 2156 Modoc Cedar Peak, Warner Mountains Comment
  CAS-BOT-BC179927  Phacelia sericea var. ciliosa M. Vasey 1990-6-28 9012 Modoc In vicinity of pass at junction of North Emerson Lake Trail and Owl Creek Trail. On Cole Peak side of pass. 2590 Comment
  UC1553377  Phacelia sericea var. ciliosa Sch/Yor/Hor/Ach 1988-7-16 1838 Modoc Squaw Peak Warner Mts. (upper slopes) 2621 Comment
  UC1561067  Phacelia sericea var. sericea Dean Wm. Taylor with Glenn L. Clifton 1989-8-5 10443 Modoc cirque headwall above South Emerson Lake; Warner Mountains, Emerson Creek drainage 2560 Comment
  CAS-BOT-BC179910  Phacelia thermalis John Thomas Howell 1934-6-30 12270 Modoc Duncan Horse Camp. 1355 Comment
  CAS-BOT-BC179914  Phacelia thermalis John Thomas Howell 1934-7-2 12364 Modoc Near mouth of Willow Creek, NE side of Clear Lake. Comment
  JEPS101028  Phacelia thermalis Dean W. Taylor 1988-8-11 10041 Modoc near Lone Pine Lake 1383 Comment
  UC1586865  Phacelia thermalis Juha Pykala and D. H. Norris 1987-5-27 1133 Modoc Crowder Flat Rd about 7 road mi from Hwy 299; Modoc National Forest 1540 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
  SEINET4889051  Phleum alpinum D. A. Charlet 1989-8-14 482 Modoc Warner Mountains, 1.4 km northwest of Eagle Peak, 2550 Comment
  UC1137083  Phleum alpinum August L. Hormay 1932-7-17 Modoc Lily Lake Comment
  UCD89310  Phleum alpinum August L. Hormay 1932-7-17 s.n. Modoc Lily Lake. Comment
  CAS-BOT-BC247595  Phleum pratense Roxana Stinchfield Ferris; R. Duthie 1919-6-14 148 Modoc Parker Creek near Modock National Forest boundary. Comment
  UC1024972  Phleum pratense Leo Whitney 1935-7-6 3433 Modoc near Lookout; Pit River Comment
  CAS-BOT-BC197947  Phlox diffusa Bruce Bartholomew; Mona Bourell 1990-4-27 5169 Modoc NW side of Rice Flat, ca. 2 km S of Adin Pass. 1540 Comment
  UC106954  Phlox diffusa Mrs. R. M. Austin 1886-1 Modoc hills e Goose Lake Goose Lake Comment
  UC449711  Phlox diffusa Mrs. R. M. Austin 125 Modoc New Pine Creek Comment
  CAS-BOT-BC197922  Phlox douglasii subsp. rigida Elmer Ivan Applegate 1932-8-3 8127 Modoc Arid summit of Eagle Peak. 3017 Comment
  CAS-BOT-BC197933  Phlox douglasii subsp. rigida Bruce Bartholomew; Barrett Anderson 1988-5-13 4181 Modoc Juniper Flats, 10 km E of Likely on road to Jess Valley, W side of the Warner Mts.. 1450 Comment
  CAS-BOT-BC197938  Phlox douglasii subsp. rigida Bruce Bartholomew; Barrett Anderson 1988-6-24 4313 Modoc Road beyond Poison Lake ca. 8 km S of the road from U.S. Highway 395 to Lily Lake, Warner Mts.. 2130 Comment
  RSA271922  Phlox douglasii subsp. rigida Christopher Davidson 1975-6-4 2604 Modoc Hwy 299 (toward Cedarville), 2.2 mi. east of Hwy 395. 1500 Comment
  CAS-BOT-BC197921  Phlox douglasii subsp. rigida John H. Hatton 1911-6-12 43 Modoc Modoc County. 1463 Comment
  UC23588  Phlox gracilis Mrs. C. C. Bruce Jun 1898 2199 Modoc Goose Lake valley Comment
  UC449806  Phlox gracilis Franklin P. Nutting Modoc near Egg Lake Comment
  CDA40288  Phlox gracilis T. C. Fuller 1961-5-17 6955 Modoc Between the railroad and Highway 395, 1 mile northwest of Alturas. 0 Comment
  SJSU5869  Phlox hoodii subsp. canescens H. L. Buckalew 1961-7-5 Modoc Bald Mt near its summit, Warner Mts 2438 Comment
  CAS-BOT-BC197881  Phlox speciosa F. Angwin 1946-5-3 s.n. Modoc Big Valley. 1280 Comment
  CAS-BOT-BC197882  Phlox speciosa Lillian Mott 1976-5-29 12 LM76 Modoc Devils Garden, ca. 12 mi. NW of Alturas on Crowder Flat Road. 1402 Comment
  CAS-BOT-BC197862  Phlox stansburyi Bruce Bartholomew; Barrett Anderson 1989-4-28 4646 Modoc 8.8 km N of State Highway 299 on road to Raker & Thomas Reservoir. 1470 Comment
  HSC75905  Phlox stansburyi D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19412 Modoc Along Hager Basin Rd. near Big Sage Reservoir. Comment
  RSA469950  Phlox stansburyi var. brevifolia Christopher Davidson 1975-6-4 2589 Modoc 0.4 miles E of Hwy 395 on Hwy 299 toward Cedarville. 1380 Comment
  CAS-BOT-BC374925  Phoenicaulis cheiranthoides Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16432 Modoc Near summit of Cedar Pass. 1920 Comment
  CAS-BOT-BC58581  Phoenicaulis cheiranthoides Elmer Ivan Applegate 1932-7-9 7592 Modoc N slope of Bidwell Mountain, Warner Mts. Comment
  SBBG2414  Phoenicaulis cheiranthoides H. and M. Dearing 1939-6-9 3632 Modoc near Squaw Peak, Warner Mtns 2133 Comment
  UC10759  Phoenicaulis cheiranthoides Mrs. R. M. Austin and Bruce June 1898 2153 Modoc Goose Lake Comment
  UC402638  Phoenicaulis cheiranthoides Mrs. M. H. Manning 1907-4-29 Modoc Twelve Mile Creek, north-east Modoc County Twelve Mile Creek Comment
  UCD116140  Phoenicaulis cheiranthoides R. N. Raynor 1940-4-13 s.n. Modoc Joseph Creek. Comment
  RSA0017968  Phoenicaulis cheiranthoides Joan Stewart 2005-6-6 2486 Modoc Stowe Reservoir, Warner Mountains. Comment
  UCD89834  Phragmites australis P. B. Kennedy 1915-9-1 s.n. Modoc Adin. Comment
  CAS-BOT-BC73411  Pinus albicaulis Elmer I. Applegate 1932-8-5 8169 Modoc Summit of Cedar Mountain, Warner Mountains. 2438 Comment
  CAS-BOT-BC30160  Pinus contorta subsp. murrayana Belknap C. Goldsmith 1911-6-14 30 Modoc North Fork Davis Creek, W slope Warner Mts. 1889 Comment
  UC1612282  Pinus contorta subsp. murrayana W. P. Taylor and H. C. Bryant 1910-7-8 Modoc Head of Shields Creek Warner Mts., Head of Shields Creek 2590 Comment
  CAS-BOT-BC30154  Pinus monticola Belknap C. Goldsmith 1910-8-11 20 Modoc Summit, Warner Mts. 2316 Comment
  CAS-BOT-BC73018  Pinus monticola W. R. Dudley 1899-8-9 s.n. Modoc Black Butte 1828 Comment
  HSC80918  Pinus monticola G. M. Riegel 1979-9-1 726 Modoc S Warner Mtns. 1670 Comment
  UC1612279  Pinus monticola Mrs. M. H. Manning 1905-1-1 Modoc Comment
  CAS-BOT-BC242224  Piperia unalascensis Bruce Bartholomew 1995-9-3 7193 Modoc Field redacted by CAS, contact the data manager for more information 1830 Comment
  RSA0039536  Plagiobothrys cusickii Lowell A. Ahart, John Dittes 2012-7-11 18332 Modoc North edge of the meadow, about 1/8 mile east of the parking area on the east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  UC1191843  Plagiobothrys cusickii Herbert L. Mason and Verne Grant 1947-7-12 13415 Modoc s of Alturas (near s end of w side road); Pit River Valley Comment
  JEPS118249  Plagiobothrys hispidulus Lowell Ahart, John Dittes 2011-6-22 17540 Modoc On the west side of the road, about 50 yards north of the Pilot Butte Parking Lot, north edge of Ash Creek Floodplain, 1.1 miles (air) south of County Road 87, 7.7 miles (air) west of Adin, 10 miles (air) east of Lookout, Big Valley 1264 Comment
  JEPS13889  Plagiobothrys hispidulus Rimo Bacigalupi with L. R. Heckard, R. D. Sanderson, and G. Bacigalupi 1952-6-18 3743 Modoc at railroad crossing 3/4 mi e Canby (along US Hwy 299) 1310 Comment
  CAS-BOT-BC58794  Plagiobothrys leptocladus Alice Eastwood; John Thomas Howell 1940-6-13 8165 Modoc Surprise Valley, 6 mi. S of Fort Bidwell. Comment
  CAS-BOT-BC58727  Plagiobothrys mollis var. mollis Elmer Ivan Applegate 1929-7-27 6085 Modoc Clear Lake Dam, N side of Clear Lake. Comment
  CAS-BOT-BC58739  Plagiobothrys scouleri Roxana Stinchfield Ferris; R. Duthie 1919-6-13 26 Modoc Parker Creek at Modoc Nat. Forest Boundary. Comment
  CAS-BOT-BC58757  Plagiobothrys scouleri Alice Eastwood; John Thomas Howell 1940-6-14 8220 Modoc 8 mi. NW of Canby. Comment
  POM204141  Plagiobothrys scouleri var. hispidulus J. T. Howell 1934-6-11 11912 Modoc Parker Creek, Warner Mts. 1585 Comment
  POM312568  Plagiobothrys scouleri var. hispidulus H. L. Mason, Verne Grant 1947-7-12 13408 Modoc West side of the South Fork of Pit River Valley, southwest of Alturas. Comment
  CAS-BOT-BC58769  Plagiobothrys stipitatus var. micranthus Annie Montague Alexander; L. Kellogg 1946-7-6 4914 Modoc 3.5 mi E of Eagleville. Comment
  SEINET3084128 Image available Plagiobothrys stipitatus var. micranthus A. Tiehm, Jan Nachlinger, Gary Schoolcraft 1984-6-24 8798 Modoc Surprise Valley, east side of Middle Alkali Lake, east of Cedarville 1356 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
  HSC65541  Plantago major Thomas Wood 1979-8-8 208 Modoc 1 mi. S of Ft. Bidwell along Hwy. 1, corner house where road turns W 1372 Comment
  JEPS127303  Plantago major Lowell Ahart, John Dittes 2016-7-14 21184 Modoc South of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin Big Valley. Comment
  UCR37817  Platanthera dilatata var. leucostachys O. Ballantyne 1983-7-18 s.n. Modoc Warner Mtn., Tributary of North Fork of East Creek 1585 Comment
  CAS-BOT-BC242220  Platanthera dilatata var. leucostachys Leland S. Smith 1917-7-24 122 Modoc Field redacted by CAS, contact the data manager for more information 1828 Comment
  UC4579  Platanthera sparsiflora Milo S. Baker 1893-7-18 Modoc Comment
  JEPS64453  Platanthera stricta Leland S. Smith 1918-6-22 943 Modoc n-nw slope along creek Modoc Forest, High Grade District, Pine Creek 1828 Comment
  POM107743  Platanthera stricta Mrs. R. M. Austin 1895-07 s.n. Modoc Davis Creek Comment
  SEINET5102917  Platanthera stricta Unknown Modoc Comment
  CAS-BOT-BC245396  Plectritis macrocera Bruce Bartholomew; Barrett Anderson 1988-5-13 4141 Modoc Along Parker Creek Road, 2.7 km W of Modoc National Forest and ca. 16 km WSW of Alturas, W side of the Warner Mountains. 1490 Comment
  CAS-BOT-BC245405  Plectritis macrocera Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16420 Modoc Near summit of Cedar Pass, betw. Alturas & Cedarville. 1950 Comment
  UC912461  Plectritis macrocera F. H. Frost 1925-5-24 3 Modoc Steamboat Canyon Comment
  RSA101374  Plectritis macrocera subsp. grayi R. Weatherby 1955-7-8 1640 Modoc 3 mi. north of Ft. Bidwell, northern Warner Mts. 1555 Comment
  RSA152450  Plectritis macrocera subsp. grayi I. L. Wiggins, Dorothy Wiggins 1961-6-12 16420 Modoc Near summit of Cedar Pass, between Alturas and Cedarville. 1951 Comment
  UC71610  Pleiacanthus spinosus Mrs. M. H. Manning 1894-3 258 Modoc Mt. Bidwell, ne Modoc County Mt. Bidwell Comment
  RSA14101  Poa Elmer I. Applegate 1927-4-24 5004 Modoc Modoc Battle Ground; Modoc Lava Beds Comment
  HSC80830  Poa bulbosa G. M. Riegel 1980-6-30 788 Modoc S Warner Mtns. 2100 Comment
  UCD90862  Poa compressa August L. Hormay 1932-8-3 s.n. Modoc Modoc National Forest. Buck Creek Ranger Station. Front lawn. Comment
  CAS-BOT-BC247580  Poa cusickii Bruce Bartholomew 1991-6-23 5872 Modoc W side of Ingall Swamp, Devil's Garden. 1510 Comment
  SJSU9595  Poa cusickii subsp. cusickii W. Savage 1979-7-5 1362 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  UC1024971  Poa cusickii subsp. cusickii Leo Whitney 1935-7-6 3434 Modoc near Lookout Pit River Comment
  UCD91824  Poa pratensis A. A. Beetle 1941-6-29 2822 Modoc 15 miles east of Alturas, road to Cedarville Pass. 1371 Comment
  CAS-BOT-BC247614  Poa pratensis subsp. pratensis Bruce Bartholomew 1990-6-17 5308 Modoc Vicinity of Emerson Camp near roadhead, E side of Warner Mts. 1750 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
  CHSC67418  Poa sandbergii James D. Jokerst 1986-8-12 2764 Modoc Radar Site Survey S of Doublehead Mtn., vernal pool adjacent to unnamed road ca. 0.5 mi S of its jct. With the E-W road to Doublehead Mtn. Comment
  UC1925889  Poa secunda subsp. juncifolia Annie Alexander and Louise Kellogg 1946-7-18 5025 Modoc Benton Meadow, Warner Mountains 2072 Comment
  UCD92371  Poa secunda subsp. juncifolia August L. Hormay 1932-7-16 s.n. Modoc Modoc National Forest, Crowder Ranger Station. Comment
  UCD92435  Poa secunda subsp. juncifolia L. Whitney 1935-7-23 s.n. Modoc Near Happy Camp. Comment
  UC70673  Poa secunda subsp. juncifolia Mrs. M. H. Manning June 1903 428 Modoc Comment
  CAS-BOT-BC247601  Poa secunda subsp. secunda Bruce Bartholomew; Barrett Anderson 1989-4-28 4658 Modoc 9 km N of State Highway 299 and ca 1.5 km SE Raker & Thomas Reservoir. 1500 Comment
  CAS-BOT-BC247602  Poa secunda subsp. secunda E. S. Willits 1940-5-15 247 Modoc Davis Creek. Comment
  CAS-BOT-BC247660  Poa secunda subsp. secunda John Thomas Howell 1934-6-11 11927 Modoc Parker Creek. 1584 Comment
  CHSC67419  Poa secunda subsp. secunda James D. Jokerst 1986-8-10 2749 Modoc Radar Site Survey S of Doublehead Mtn., ca. 400 m NE of a NW-SE-oriented fence and road. 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
  JEPS70660  Poa secunda subsp. secunda L. S. Smith 1917-7-2 56 Modoc head of Shields Creek; Warner Mts 2331 Comment
  UC1037148  Poa secunda subsp. secunda Leo Whitney 1935-7-6 3424 Modoc near Lookout Pit River Comment
  HSC80841  Poa wheeleri G. M. Riegel 1978-7-12 56 Modoc S Warner Mtns. 1670 Comment
  CAS-BOT-BC252514  Poa wheeleri John H. Hatton 1911-6-10 30 Modoc Modoc County. 1371 Comment
  CAS-BOT-BC179345  Pogogyne floribunda James D. Jokerst 1987-7-13 2946 Modoc W of Sector 4 of the Air Force Backscatter Radar site. Ca. 3 mi. S of Doublehead Mountain. Comment
  CAS-BOT-BC6504  Pogogyne floribunda James D. Jokerst 1990-7-31 3205 Modoc Modoc National Forest, Devils Garden Ranger District (south of Clear Lake) 1371 Comment
  CHSC67516  Pogogyne floribunda J. D. Jokerst 1987-6-24 2938 Modoc Modoc National Forest, Devils Garden Ranger District. About 2 miles NE of Doublehead Mountain, 1.25 miles S of Clear Lake, along dirt road about 2 miles WSW of Red Lake. Comment
  CAS-BOT-BC95166  Polanisia dodecandra subsp. trachysperma E. S. Willits 1939-10-10 156 Modoc Surprise Valley. Comment
  CAS-BOT-BC497330  Polanisia dodecandra var. trachysperma G. Schoolcraft 1999-7-13 2863 Modoc Lower slopes of Warner Mtns, 3 mi N of Eagleville 1463 Comment
  RSA0068909  Polemoniaceae Austin 1897-07 s.n. Modoc Goose Lake Comment
  CAS-BOT-BC197853  Polemonium occidentale Bruce Bartholomew 1994-7-2 6795 Modoc Joseph Creek Basin, W side of the Warner Mountains. 1650 Comment
  HSC17207  Polemonium occidentale subsp. occidentale M. T. Milligan 1966-7-5 554 Modoc Slopes and ridges E of Jess Valley 1768 Comment
  SEINET4335513 Image available Polemonium pulcherrimum Annie M. Alexander, Louise Kellogg 1946-8-1 5106 Modoc Eagle Peak, Warner Mountains Comment
  UC1735999  Polemonium pulcherrimum subsp. pulcherrimum Dean W. Taylor 1990-6-25 11165 Modoc Cedar Pass, growing on steep cliffs of volcanic breccia, northerly slopes of Peak 7298 2148 Comment
  POM260727  Polyctenium fremontii Alice Eastwood, J. T. Howell 1940-6-15 s.n. Modoc Near Perez Comment
  SEINET7073592  Polyctenium fremontii A. G. Vestal 1955-5-18 s.n. Modoc Modoc lava on Route 139. Modoc National Forest. UTM Zone 10, 646374mE, 4627855mN. Coordinate datum: NAD27. Comment
  JEPS13802  Polyctenium fremontii L. S. Smith 1917-5-27 780 Modoc along road to Jess Valley; West Valley 1524 Comment
  CAS-BOT-BC58324  Polyctenium fremontii var. fremontii Alice Eastwood; John Thomas Howell 1940-6-15 8275 Modoc Near Perez. Comment
  UC850123  Polygonum Lewis S. Rose 1940-6-14 40570 Modoc 8 mi nw of Canby 1524 Comment
  UC6756  Polygonum amphibium var. emersum Milo S. Baker 1893-6 Modoc Egg Lake Comment
  UC1536796  Polygonum amphibium var. stipulaceum Gordon H. True Jr. 1939-7-21 1040 Modoc Jacks Swamp Comment
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May 24 2006
  RSA599749  Polygonum aviculare Louis C. Wheeler 1935-8-26 3922 Modoc Modoc Plateau: 1 mi. northwest of Mud Lake, Devil's Garden. 1524 Comment
  CHSC112072  Polygonum aviculare subsp. buxiforme L. P. Janeway; B. Castro 2014-6-3 11322 Modoc Great Basin. On the dry cracked white mud of Big Mud Lake, near the northwest edge. 1637 Comment
  JEPS91068  Polygonum aviculare subsp. buxiforme Dean Wm. Taylor with Glenn L. Clifton 1989-8-6 10486 Modoc Warner Mountains, bed of Snake Lake Snake Lake; Warner Mountains, bed of Snake Lake 1569 Comment
  UC748283  Polygonum bistortoides Annie M. Alexander and Louise Kellogg 1946-6-30 4881 Modoc Highgrade Warner Mountains (w side of ridge, n end of mts.) 2377 Comment
  UC71800  Polygonum convolvulus Mrs. M. H. Manning 1904-1 235 Modoc near Fort Bidwell (ne Modoc Co.) Comment
  CAS-BOT-BC218127  Polygonum douglasii Bruce Bartholomew 1989-8-12 5131 Modoc Deep Creek, E side of Warner Mountains. 1920 Comment
  CAS-BOT-BC218142  Polygonum douglasii John Thomas Howell 1934-6-12 12002 Modoc Davis Creek. Comment
  UC1562658  Polygonum douglasii Barbara Ertter 1988-6-18 7615 Modoc Hwy 139 1 mi s S jct to Lava Beds Nat'l Monument (e of Tonesta, a few mi n of Agric. Inspection Station, ca 50 air mi sw of Klamath Falls) 1310 Comment
  SJSU9579  Polygonum douglasii W. Savage 1979-7-4 1339 Modoc Triange, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  CAS-BOT-BC26627  Polygonum esotericum Louis C. Wheeler 1935-8-25 3918 Modoc Devil's Garden: Rimrock Valley Reservoir. 1524 Comment
  RSA0005196  Polygonum esotericum Louis C. Wheeler 1935-8-25 3918 Modoc Devil's Garden: Rimrock Valley Reservoir. 1524 Comment
  RSA210873  Polygonum lapathifolium Robert F. Thorne, James Henrickson, C. W. Tilforth 1969-9-4 39107 Modoc N Fork of Pit River 3.4 mi N of Alturas where crossed by Hwy 395. 1341 Comment
  UC1101125  Polygonum persicaria Herbert L. Mason 1947-8-11 13498 Modoc Lower Lake; Hwy 81, on w margin, near boundary between Lassen and Modoc Cos. Comment
  CAS-BOT-BC218160  Polygonum polygaloides Bruce Bartholomew 1991-6-23 5883 Modoc 7.4 km NE of Crowder Flat Road on road between Dorris Brothers Reservoir and Cow Head Tank. 1520 Comment
  RSA518941  Polygonum polygaloides Bruce Bartholomew, B. Anderson 1988-6-23 4244 Modoc 4.2 kim NW of Day. 1020 Comment
  CHSC81397  Polygonum polygaloides subsp. confertiflorum R. E. Preston 2000-7-17 1391 Modoc Ca. 11 mi nw of Canby, on n side of Hwy 139, 2.7 mi e of Forest Service Rd 44N11. 1490 Comment
  UC1025105  Polygonum polygaloides subsp. confertiflorum Leo Whitney 1934-5-25 1963 Modoc dry creek bed near Hockamore; Modoc National Forest 1463 Comment
  UC1093678  Polygonum polygaloides subsp. confertiflorum H. L. Mason 1955-8-14 14657 Modoc n Everly Reservoir Comment
  CAS-BOT-BC218180  Polygonum polygaloides subsp. esotericum Alice Eastwood; John Thomas Howell 1940-6-14 8223 Modoc 8 mi. NW of Canby. Comment
  JEPS98244  Polygonum polygaloides subsp. esotericum R. E. Preston 2000-7-18 1416 Modoc Hog Lake 1499 Comment
  UCD77935  Polygonum polygaloides subsp. esotericum Robert E. Preston 2000-7-18 1414 Modoc Ca. 15 mi nw of Canby, along Hwy 139, 0.1 mi e of Forest Service Rd 43N03. 1447 Comment
  UC1713244  Polygonum polygaloides subsp. kelloggii Herbert L. Mason 1957-7-6 14725 Modoc Rim Rock, west of Goose Lake Comment
  NY407626  Polygonum sawatchense B. M. Bartholomew 1989-6-2 4781 Modoc Top of Fandango pass, Warner Mountains. 1870 Comment
  NY407629  Polygonum sawatchense R. J. Weatherby 1955-7-7 1608 Modoc Northern Juniper Woodland. 7 miles north of Fort Bidwell. 1874.5 Comment
  RSA204116  Polygonum sawatchense subsp. oblivium J. T. Howell 1934-6-14 12148 Modoc Near Lost Lake, Warner Mts. 2439 Comment
  CDA22795  Polygonum spergulariiforme G. D. Barbe 1991-8-28 4445 Modoc Kelley Spring, 3.4 miles (5.5 km) from Highway 299 at Rush Creek, on Primary Forest Service Road 22 and Road 40N33, Modoc National Forest. Comment
  UC71755  Populus tremuloides Mrs. M. H. Manning 1903-4 72 Modoc near Fort Bidwell (ne Modoc County); near Fort Bidwell Comment
  SEINET11984746  Populus trichocarpa E. K. Balls 1950-1 14610 Modoc W of Middle Lake, between Eagleville and Cedarville 1433 Comment
  UCR101261  Porterella carnosula L. C. Wheeler 1935-8-3 3756 Modoc Warner Mtns, Rock Lake, Pine Creek 1921 Comment
  SD230197  Porterella carnosula Louis C. Wheeler 1935-8-3 3756 Modoc Warner Mountains: Rock Lake, Pine Creek. Sunny bottom of dried pool 1920 Comment
  CAS-BOT-BC267120  Potamogeton Milo S. Baker 1999-8-5 3660 b Modoc Fall River near [unreadable] Comment
  CAS-BOT-BC242249  Potamogeton epihydrus Herbert Louis Mason; Verne Grant 1947-7-12 13397 Modoc Jones' Lane, off Hwy 395, several mi. S of Alturas. Comment
  UC1099879  Potamogeton epihydrus Verne Grant, Irving Schneider 1947-7-22 8134 Modoc n of Alturas (North Fork Pit River by confluence with Gleason Creek on Hwy 395); North Fork Pit River Comment
  UC1099882  Potamogeton epihydrus subsp. nuttallii Herbert L. Mason, Verne Grant 1947-6-12 13397 Modoc several mi s of Alturas (by Jones' Lane, off Hwy 395) Comment
  UC1100081  Potamogeton filiformis var. alpinus Verne Grant, Irving Schneider 1947-7-20 8095 Modoc n of Likely (s loop of westside road by irrigation ditch); Pit Valley Comment
  POM208542  Potamogeton natans Milo S. Baker 1899-8-12 s.n. Modoc Egg Lake Comment
  RSA0011552  Potamogeton nodosus Robert F. Thorne, Larry E. DeBuhr 1975-8-22 46967 Modoc Ca. 3.4 miles north of Alturas at bridge over North Fork of Pit River 1341 Comment
  SEINET10913212  Potamogeton nodosus Milo S. Baker 1899-8-24 Baker s.n. Modoc In Pit River at Sookout. Comment
  CHSC99517  Potamogeton pectinatus Lowell Ahart; John Dittes 2008-6-21 15005 Modoc In shallow water 6-8 inches deep, along a deep natural drainage, about 30 yards west of the levee, mountain meadow, in Big Valley, about 3.6 miles (air) northeast of the Headquarters at Ash Creek State Wildlife Area, about 6.4 miles (air) northeast of Bieber. 1269 Comment
  UC1100082  Potamogeton pectinatus Verne Grant, Irving Schneider 1947-7-19 8085 Modoc n of Likely (s of Williams ranch house) Comment
  UC1100037  Potamogeton pusillus var. pusillus Herbert L. Mason 1947-8-8 13468 Modoc nw of Alturas (sw margin of Big Sage Reservoir); Big Sage Reservoir Comment
  CAS-BOT-BC242273  Potamogeton richardsonii Milo Samuel Baker 1899-8-24 s.n. Modoc Pit River, at Lookout. Comment
  POM182450  Potamogeton richardsonii Milo S. Baker 1899-8-24 s.n. Modoc In Pit River at lookout. Comment
  POM313013  Potamogeton richardsonii H. L. Mason, Verne Grant 1947-7-11 13380 Modoc Irrigation ditch on road from Likely to Jess Valley, ca. 1 mile east of Likely. 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
  CHSC116071  Potentilla biennis Lowell Ahart; John Dittes 2015-7-16 20373 Modoc South edge of Ash Creek (destroyed), southeast of the gravel pit (destroyed), about 1/8 mile east of the parking area on the east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  RSA59518  Potentilla biennis E. K. Balls 1950-5-21 14823 Modoc Along roadside ditch just above South Fork Camp, likely to Jess Valley 1433 Comment
  UC704450  Potentilla biennis Bud Fuller 1936-7-10 68 Modoc 20 mi ne Alturas; ne <of> Alturas 2133 Comment
  CAS-BOT-BC214785  Potentilla gracilis Bruce Bartholomew; Barrett Anderson 1989-6-3 4860 Modoc Quaking Aspen Spring, between Goose Lake and Clear Lake Reservoir. 1500 Comment
  CAS-BOT-BC214790  Potentilla gracilis Milo Samuel Baker; Franklin P. Nutting 1894-1-1 s.n. Modoc Near Egg Lake. Comment
  CAS-BOT-BC214794  Potentilla gracilis E. S. Willits 1940-5-17 262 Modoc Willow Ranch. Comment
  JEPS86373  Potentilla gracilis var. fastigiata Jack and Betty Guggolz 1988-6-30 971 Modoc from a sparsely vegetated gravelly flat near the Old Canon Mill Road Comment
  JEPS47216  Potentilla gracilis var. fastigiata Frances D. Payne 1931-7-4 319 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  JEPS44440  Potentilla millefolia M. S. Baker and Frank Nutting 1894-6-8 Modoc Low flats Lava beds Forestdale (Forestdale) Comment
  UC545841  Potentilla newberryi Leo Whitney 1934-5-20 3031 Modoc near Clear Lake (bank of Lost River, Northern Modoc County); near Clear Lake, Bank of Lost River 1463 Comment
  CAS-BOT-BC225020  Poteridium annuum Mrs. H. C. Cantelow 1940-6-1 3466 Modoc 32.7 mi. N of Alturas, Hwy 395. Comment
  CAS-BOT-BC225024  Poteridium annuum K. Paulson; Robert Paulson 1988-6-19 42 Modoc W of Cranby Bridge. 1310 Comment
  CAS-BOT-BC214807  Prunus emarginata Annie Montague Alexander; L. Kellogg 1946-6-28 4859 Modoc Pine Creek Canyon, N end of Warner Mts. 2103 Comment
  JEPS44934  Prunus emarginata W. L. Jepson 1918-8-6 7837 Modoc Summit Fandango Pass Fandango Pass; Warner Mountains, Fandango Pass 1859 Comment
  UC12743  Prunus emarginata Mrs. R. M. Austin and Bruce June 1892 2344 Modoc Goose Lake Valley Comment
  UC71596  Prunus emarginata Mrs. M. H. Manning 1903-9-15 7 Modoc near Fort Bidwell (in north-eastern Modoc County) Comment
  RSA0025587  Prunus emarginata John F. Emmel 1996-7-15 1436 Modoc East slope Warner Mtns; along County Road 42, above North Barber Creek, ca. 2.5 air mi NW of Snake Lake. 1829 Comment
  CAS-BOT-BC154615  Prunus subcordata Robertson 1974-8-27 NS 66 -74 Modoc Between Adin & Eagle Lake, Hw 139, 1 mi. N. of Willow Cr. 1524 Comment
  CAS-BOT-BC214822  Prunus subcordata K. Paulson; Robert Paulson 1989-5-8 104 Modoc Howard's Gulch, along Hwy 139. 1371 Comment
  JEPS44965  Prunus subcordata W. L. Jepson 1918-8-6 7829 Modoc Davis Creek 1371 Comment
  RSA520468  Prunus subcordata K. Paulson, R. Paulson 1989-5-8 104 Modoc Howard's Gulch. Along Hwy 139. 1372 Comment
  UC1281130  Prunus subcordata H. E. McMinn 1931-5-23 2480 Modoc Warner Mountains Comment
  UCD113512  Prunus subcordata T. C. Fuller 1963-7-16 11008 Modoc south side of Fandango Pass Road, just east of road to Willow Ranch, west base of the Warner Mountains. Comment
  NY849524  Prunus virginiana L. S. Rose 1940-6-13 40554 Modoc Fandango Pass 1905 Comment
  CAS-BOT-BC225009  Prunus virginiana var. demissa A. D. Borden 1911-8-9 s.n. Modoc S slope of Shields Creek. Comment
  CAS-BOT-BC225017  Prunus virginiana var. demissa Elmer Ivan Applegate 1932-8-5 8162 Modoc Cedar Pass, Warner Mts. Comment
  UC1128448  Prunus virginiana var. demissa R. C. Wilson 1933-6-21 49 Modoc Stone Coal Valley Creek, Modoc National Forest Stone Coal Valley Creek; Modoc National Forest, Stone Coal Valley Creek 1402 Comment
  JEPS34063  Pseudognaphalium thermale L. S. Smith 1922-1-1 Modoc Modoc National Forest Comment
  CAS-BOT-BC252501  Pseudoroegneria spicata subsp. spicata Leland S. Smith 1924-6-15 1403 Modoc Lavas W of Mud Lake. 1371 Comment
  RSA180205  Pseudoroegneria spicata subsp. spicata Clare B. Hardham 1961-6-19 7861 Modoc Pine Creek 1585 Comment
  UC1024989  Pseudoroegneria spicata subsp. spicata Leo Whitney 1935-7-11 3455 Modoc 15 mi nw of Canby (Modoc National Forest, Hackamore); Modoc National Forest, Hackamore 1463 Comment
  CAS-BOT-BC95227  Pseudostellaria jamesiana John Thomas Howell 1934-6-13 12052 Modoc Fandango Pass, Warner Mts. 1828 Comment
  CAS-BOT-BC95237  Pseudostellaria jamesiana Bruce Bartholomew 1990-6-17 5302 Modoc Vicinity of Emerson Camp near roadhead, E side of Warner Mts. 1750 Comment
  POM260290  Pseudostellaria jamesiana C. L. Hitchcock 1940-5-27 6679 Modoc 15 miles northeast of Alturas. 1616 Comment
  SJSU9131  Pseudostellaria jamesiana J. W. Tilden 1958-6-26 1285 Modoc near W side Cedar Pass between Cedarville & Alturas 1828 Comment
  RSA550613  Pseudotsuga menziesii Bruce Bartholomew 1992-5-14 6273 Modoc Northeast side of White Horse Mountains, southwest of White Horse Flat Reservoir. 1400 Comment
  CAS-BOT-BC30197  Pteridium aquilinum var. pubescens Bruce Bartholomew 1994-5-28 6715 Modoc E side of Sugar Hill, W side of Warner Mts. 1840 Comment
  UC412725  Pterospora andromedea Franklin P. Nutting Modoc near Forestdale Comment
  UC748233  Pterospora andromedea Annie M. Alexander and Louise Kellogg 1946-8-10 5150 Modoc 1/2 mi beyond Porter Reserve road; Warner Mountains Comment
  SEINET3222704 Image available Puccinellia lemmonii Arnold Tiehm, Jan Nachlinger, Gary Schoolcraft 1984-6-24 8799 Modoc Surprise Valley, east side of Middle Alkali Lake, east of Cedarville. 1360 Comment
  UCD32744  Puccinellia nuttalliana Beecher Crampton 1954-7-8 2197 Modoc Modoc County, 3 miles west of Alturas, along US highway 299. Comment
  CHSC65832  Purshia tridentata J. Ingraham 1995-4-16 18 Modoc 7.5 mi S. of Davis Creek, 50 yds. E of Hwy. 395. 1432 Comment
  UCD22435  Purshia tridentata Brian Vanden Heuvel 2003-4-10 197 Modoc Warm Springs Valley, 5 miles east of Canby on CA 299, near an old stone quarry at Modoc National Forest boundary. Comment
  CAS-BOT-BC218233  Purshia tridentata var. tridentata K. Paulson; Robert Paulson 1989-5-8 112 Modoc Howard's Gulch, along Hwy 139. 1371 Comment
  CAS-BOT-BC218238  Purshia tridentata var. tridentata John Thomas Howell 1934-6-11 11925 Modoc Parker Creek, Warner Mts. 1584 Comment
  RSA504846  Purshia tridentata var. tridentata Bruce Bartholomew, B. Anderson 1988-7-21 4447 Modoc SW side of Jess Valley. Warner Mtns. 1540 Comment
  UC12420  Purshia tridentata var. tridentata Milo S. Baker 1893-6 Modoc hillsides and low land Comment
  HSC80765  Pyrola dentata G. M. Riegel 1980-8-12 1039 Modoc S Warner Mtns. 1670 Comment
  HSC17980  Pyrola dentata Ms. M. H. Manning 1903-9-2 378 Modoc John Henry Hill 1829 Comment
  CAS-BOT-BC95685  Pyrola minor Bruce Bartholomew; Barrett Anderson 1990-7-20 5511 Modoc Tamarack Flat, E side of Warner Mts. 2150 Comment
  CAS-BOT-BC95693  Pyrola picta Bruce Bartholomew 1995-7-30 7045 Modoc Big Valley Mountains N of County Road 94. 1400 Comment
  SEINET195665  Pyrola picta Unknown 1946-8-8 5121 Modoc Deep Creek Canyon, Warner Mountains. Comment
  CAS-BOT-BC50397  Pyrrocoma carthamoides var. cusickii Louis Cutter Wheeler 1935-8-12 3827 Modoc Cotonwood Creek, Warner Mts. 1676 Comment
  POM260847  Pyrrocoma lanceolata Alice Eastwood, J. T. Howell 1940-6-12 8033 Modoc Likely Comment
  CAS-BOT-BC50354  Pyrrocoma lanceolata var. lanceolata John Thomas Howell 1934-6-15 12185 Modoc Alturas. Comment
  CAS-BOT-BC180126  Quercus garryana var. garryana Bruce Bartholomew; Barrett Anderson 1988-6-23 4261 Modoc 1.8 km WSW of Day on County Road 94. 1170 Comment
  RSA476818  Quercus kelloggii Christopher Davidson 1975-6-4 2626 Modoc 0.7 mile east of Upper Rush Creek Camp on dirt road off Highway 299 ca. 7 miles north of Adin. 1646 Comment
  RSA504607  Quercus kelloggii Bruce Bartholomew, B. Anderson 1988-6-23 4262 Modoc 1.8 km WSW of Day on County Road 94. 1170 Comment
  CAS-BOT-BC50364  Raillardella argentea Bruce Bartholomew 1992-8-8 6372 Modoc Vicinity of Patterson Lake, E side of Warner Mountains. 2750 Comment
  CAS-BOT-BC217254  Ranunculus alismifolius Leland S. Smith 1920-6-2 1157 Modoc 12-mile Creek. 2042 Comment
  CAS-BOT-BC217299  Ranunculus alismifolius Bruce Bartholomew 1990-6-15 5231 Modoc S end of Deer Spring Ridge, 1.8 km N turn off to Knox Flat near Pot Hole Spring. 1920 Comment
  CHSC37773  Ranunculus andersonii N. Prouty 1980-6-9 184 Modoc Sheep Rock Timber Sale. 2072 Comment
  CAS-BOT-BC217266  Ranunculus aquatilis var. aquatilis Bruce Bartholomew 1992-5-16 6318 Modoc Arnett Spring, N of Bayley Reservoir. 1510 Comment
  CAS-BOT-BC379166  Ranunculus aquatilis var. aquatilis Alice Eastwood 1925-5-19 12629 Modoc Potter Valley Comment
  POM275142  Ranunculus aquatilis var. capillaceus A. M. Alexander 1946-7-7 4921 Modoc Pond W Lake Annie. Comment
  RSA252475  Ranunculus aquatilis var. capillaceus Robert F. Thorne, C. W. Tilforth 1969-9-5 39171 Modoc Modoc National Forest, Warner Mountains, Clear Lake. 1768 Comment
  UC480881  Ranunculus aquatilis var. capillaceus Milo S. Baker Modoc Forestdale Comment
  UC70362  Ranunculus aquatilis var. capillaceus Milo S. Baker 1899-8-24 Modoc Carmichael's Mill Big Valley Comment
  UC1101367  Ranunculus aquatilis var. capillaceus Calvin McMillan and Malcolm A. Nobs 1949-6-15 786 Modoc 3 mi w Canby (marshy pool); Pitt River Comment
  HSC31048  Ranunculus aquatilis var. diffusus R. F. Thorne, C. W. Tilforth 1969-9-5 39176 Modoc S Fork of Pit River at bridge 3.8 mi. E of Likely 1387 Comment
  JEPS124355  Ranunculus aquatilis var. diffusus Lowell Ahart, John Dittes 2015-7-16 20376 Modoc Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. Comment
  CHSC108007  Ranunculus arvensis Lowell Ahart; John Dittes 2011-6-21 17512 Modoc About 130 yards west of the fence, south edge of the meadow, Ash Creek State Wildlife Area, about 2,300 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  CDA24313  Ranunculus californicus T. C. Fuller 1963-6-11 10649 Modoc Little Meadow Campground, South Fork of the Pit River, 7.9 miles east of Likely. 0 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
  UC499815  Ranunculus eschscholtzii var. oxynotus Elmer I. Applegate 1932-8-3 8133 Modoc Eagle Peak Warner Mts. (e slope, bank near summit) 2743 Comment
  RSA84858  Ranunculus flabellaris Alice Eastwood, John T. Howell 1940-6-12 8080 Modoc Jess Valley. Comment
  POM100512  Ranunculus glaberrimus var. ellipticus R. M. Austin 1895-07 s.n. Modoc Goose Lake Valley. 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
  RSA60359  Ranunculus glaberrimus var. ellipticus E. K. Balls 1950-5-10 15968 Modoc Seepage from snow, Cedar Pass, W slope on way from Alturas to Cedarville. 1829 Comment
  CAS-BOT-BC217203  Ranunculus glaberrimus var. glaberrimus Ellsworth Bethel 1923-4-24 s.n. Modoc Adin. Comment
  CAS-BOT-BC217248  Ranunculus glaberrimus var. glaberrimus Fred D. Douthitt 1916-8-20 2 Modoc Flournoy Swale. 1828 Comment
  CHSC70477  Ranunculus occidentalis S. Stearns 1997-5-13 2240 Modoc W. side of Little Willow Ck., Devil's Garden. 1540 Comment
  JEPS86347  Ranunculus occidentalis Jack and Betty Guggolz 963 Modoc w Jenkins Comment
  SEINET230530  Ranunculus occidentalis A. Tiehm 1984-6-30 8832 Modoc N edge of Lake Annie on W side Bidwell Mtn NE of Ft Bidwell 1530 Comment
  POM260873  Ranunculus occidentalis var. eisenii Alice Eastwood, John T. Howell 1940-6-15 8283 Modoc Near Happy Camp Range Station. Comment
  POM275141  Ranunculus occidentalis var. ultramontanus A. M. Alexander, Louise Kellogg 1946-6-7 4673 Modoc 0.5 miles E of Cedarville. 1454 Comment
  UC129841  Ranunculus orthorhynchus var. orthorhynchus Milo S. Baker Modoc Forestdale Comment
  POM99859  Ranunculus repens R. M. Austin 1895-06 407 Modoc Goose Lake Valley. Comment
  CAS-BOT-BC217194  Ranunculus sceleratus R. F. Thorne; J. Henrickson; C. W. Tilforth 1969-9-4 39092 Modoc N Fork of pit River, 3.4 mi. N of Alturas where crossed by Hwy 395 1341 Comment
  CAS-BOT-BC217159  Ranunculus uncinatus Francis Dorris Payne 1929-7-7 62 Modoc Pine Creek Basin, Warner Mts. 2316 Comment
  RSA520498  Rhamnus rubra Bruce Bartholomew 1989-7-14 4969 Modoc E side of Lower Roberts Reservoir and 3km NNE of Lookout. 1300 Comment
  CAS-BOT-BC217080  Rhamnus rubra subsp. obtusissima John Thomas Howell 1934-6-13 12077 Modoc Fandango Pass. 1828 Comment
  CAS-BOT-BC95678  Rhododendron columbianum Bruce Bartholomew 1994-7-2 6825 Modoc North Fork of Davis Creek, W side of the Warner Mountains. 1910 Comment
  UC570845  Ribes aureum F. H. Frost 1925-7-24 115 Modoc Jess Valley Warner Mts. Comment
  CAS-BOT-BC225867  Ribes cereum John H. Hatton 1911-6-13 73 Modoc unspecified 1493 Comment
  CAS-BOT-BC225873  Ribes cereum Isabelo T. Kelly 1930-1-1 1 Modoc Near Cedarville, Surprise Valley. Comment
  CAS-BOT-BC225887  Ribes cereum Bruce Bartholomew 1990-6-15 5233 Modoc Flat between Deer Spring Ridge and Sweagert Flat. 1900 Comment
  SBBG27517  Ribes cereum C. L. Hitchcock 1940-5-27 6695 Modoc 15 mi NE of Alturas 1615 Comment
  UC1035991  Ribes cereum Helen K. Sharsmith 1955-6-25 4504 Modoc on trail to Mill Creek Falls and Clear Lake; Warner Mountains, Modoc National Forest 1752 Comment
  UC1553402  Ribes cereum G. Schoolcraft 1988-7-12 1825 Modoc N. Deep Creek, at lower part Warner Mtns. 1554 Comment
  UC71794  Ribes cereum Mrs. M. H. Manning 1902-10-11 37 b Modoc ne Modoc Conty Comment
  RSA97474  Ribes cereum Beecher Crampton 1954-7-8 2185 Modoc Canyon of the South fork of the Pit River, 12 miles East of Likely. Comment
  CAS-BOT-BC225898  Ribes inerme var. inerme Roxana Stinchfield Ferris; R. Duthie 1919-6-13 55 Modoc Parker Creek near Modoc National Forest Boundary. Comment
  JEPS49409  Ribes inerme var. inerme Mrs. M. H. Manning 1907-1-1 Modoc e side Mt. Bidwell; 12 mile Creek Comment
  UC71792  Ribes inerme var. inerme Mrs. M. H. Manning 1893-2 143 Modoc Mill Canyon 1828 Comment
  CAS-BOT-BC225901  Ribes montigenum Robert Patterson; Mona Bourell 1993-8-15 5260 Modoc Warner Mountains. Along trail from Patterson Lake to ca. 2 mi north towards Pepperdine Trailhead. 2743 Comment
  UC748053  Ribes montigenum Annie M. Alexander and Louise Kellogg 1946-6-25 4822 Modoc Dismal Swamp Warner Mountains 2255 Comment
  CAS-BOT-BC225914  Ribes velutinum R. M. Austin 1894-6-1 s.n. Modoc Willow Creek. Comment
  CAS-BOT-BC225927  Ribes velutinum Alice Eastwood; John Thomas Howell 1940-6-12 8061 Modoc Between Likely and Jess Valley. Comment
  CAS-BOT-BC225941  Ribes viscosissimum Annie Montague Alexander; L. Kellogg 1946-6-15 4772 Modoc Deep Creek. 1981 Comment
  CAS-BOT-BC225942  Ribes viscosissimum Margaret J. Williams 1984-6-29 84- 71 -3 Modoc Lily Lake, W side of Warner Mts. 2072 Comment
  JEPS43510  Ribes viscosissimum Frances D. Payne 1929-7-7 50 Modoc 2 mi sw Mt. Warren; Warner Mts., Pine Creek Basin 2133 Comment
  HSC80718  Ribes viscosissimum G. M. Riegel 1979-7-14 479 Modoc Plot 59 1829 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-BC50370  Rigiopappus leptocladus David Daniels Keck; Jens Chr. Clausen 1935-6-24 3715 Modoc 3 mi. NE of Willow Ranch. 1550 Comment
  CAS-BOT-BC50374  Rigiopappus leptocladus John H. Hatton 1911-6-16 101 Modoc Modoc County. 1371 Comment
  UC35863  Rigiopappus leptocladus Mrs. R. M. Austin June 1894 Modoc near Emigrant Springs; Lava Beds Comment
Read comments
May 28 2006
  UC90670  Rigiopappus leptocladus Mrs. R. M. Austin Modoc Lost River Canyon Comment
  UC117554  Rorippa Mrs. R. M. Austin Sept. 1894 275 Modoc Cedarville Canyon Comment
  UC1537632  Rorippa Gordon H. True Jr. 1939-7-21 1030 Modoc Jack Swamp Comment
  CAS-BOT-BC58408  Rorippa austriaca M. K. Bellue 1933-6-1 Modoc Alturas. Comment
  CDA34339  Rorippa austriaca E. Finley 1987-6-17 s.n. Modoc Big Valley; Jones Rd., off US 395, N of Likely. 0 Comment
  RSA671145  Rorippa austriaca G. D. Barbe 1985-8-29 4251 Modoc East of railroad crossing and the Eastside Canal. Corporation Ranch north of Likely. Comment
  RSA252400  Rorippa curvipes var. truncata R. F. Thorne, C. W. Tilforth 1969-9-5 39170 Modoc Modoc National Forest, Warner Mtns. Clear Lake. 1768 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
  CAS-BOT-BC58419  Rorippa curvisiliqua Bruce Bartholomew 1994-5-29 6735 Modoc Curtis Water Hole, NW of Egg Lake. 1280 Comment
  UC1056985  Rorippa tenerrima F. H. Frost 1925-7-27 173 Modoc Clear Lake Clear Lake (nw Modoc County) Comment
  HSC59871  Rosa woodsii subsp. ultramontana J. P. Smith, J. O. Sawyer 1973-8-9 7254 Modoc Blue Lake, Modoc National Forest. 1829 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
  JEPS114900  Rosa woodsii var. ultramontana Lowell Ahart, John Dittes 2008-8-26 15348 Modoc SE side of Rose Creek, 750 ft SW of confluence of Rose Creek and Pit River, on the NW side of unnamed road, 2660 ft E of intersection with County Road 85a, 9.3 mi (air) NE of Lookout 1276 Comment
  UC555644  Rosa woodsii var. ultramontana F. H. Frost 1925-7-11 32 Modoc Cedar Canyon camp site, Warner Mountains Comment
  HSC17581  Rumex acetosella M. T. Milligan 1964-6-6 7 Modoc N side of Dorris Reservoir along shore 1372 Comment
  CAS-BOT-BC211340  Rumex crispus Bruce Bartholomew 1991-7-6 5964 Modoc Ash Creek Bird Santuary, 0.2 km N of Lassen County line on Modoc County Road 87A. 1260 Comment
  CHSC117144  Rumex crispus Lowell Ahart; John Dittes 2016-7-14 21192 Modoc West of a new pond, south of Ash Creek Canal (now filled in), south of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. 1273 Comment
  HSC17594  Rumex crispus M. T. Milligan 1966-8-1 606 Modoc N end of Jess Valley 1616 Comment
  CAS-BOT-BC211304  Rumex maritimus Bruce Bartholomew 1992-8-7 6354 Modoc Along the Pit River just SW of Canby Bridge. 1300 Comment
  JEPS117297  Rumex maritimus Lowell Ahart, John Dittes 2010-8-31 17126 Modoc Edge of a pond, about 400 yards west of Elkins Lane and the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley 1267 Comment
  UC1191271  Rumex maritimus Herbert L. Mason 1947-8-11 13509 Modoc Alturas, junction of North and South Forks of Pit River Pit River 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
  UC748314  Rumex paucifolius Annie M. Alexander and Louise Kellogg 1946-7-11 4977 Modoc mesa w Eight Mile Creek Comment
  CAS-BOT-BC211311  Rumex salicifolius John H. Hatton 1911-6-12 44 Modoc Modoc County. 1493 Comment
  UC1036082  Rumex salicifolius var. lacustris Annie M. Alexander and Louise Kellogg 1946-6-10 4711 Modoc Snake Lake Comment
  CDA23209  Rumex salicifolius var. triangulivalvis T. C. Fuller 1958-7-8 1934 Modoc Corporation Ranch, Likely. 0 Comment
  CDA23206  Rumex salicifolius var. triangulivalvis T. C. Fuller 1959-7-8 Modoc Highway 299 at Cloverswale Creek Bridge, 13.5 miles west of Alturas. 0 Comment
  JEPS127297  Rumex triangulivalvis Lowell Ahart, John Dittes 2016-7-14 21193 Modoc South of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin Big Valley. Comment
  RSA193946  Ruppia cirrhosa W. R. Dudley 1893-07 s.n. Modoc Santa Cruz County, Loggon E of Seabright, Santa Cruz Comment
  NY446455  Sagina saginoides C. L. Hitchcock 1940-5-27 6708 Modoc 15 miles northeast of Alturas 1676.4 Comment
  POM260470  Sagina saginoides C. L. Hitchcock 1940-5-27 6708 Modoc 15 miles NE of Alturas. 1677 Comment
  CAS-BOT-BC245207  Sagittaria cuneata Louis Cutter Wheeler 1935-8-5 3787 Modoc Little Lily Lake. 2286 Comment
  CHSC109501  Sagittaria cuneata L. P. Janeway; B. Castro 2012-7-26 11003 Modoc Warner Mountains. At Little Lily Lake, 2.4 air km north of Mt. Vida. 2258 Comment
  UC567  Sagittaria cuneata Milo S. Baker 1893-7-25 Modoc Egg Lake 1219 Comment
  UC935795  Sagittaria cuneata Herbert L. Mason and Verne Grant 1947-7-12 13413 Modoc irrigation ditch near s end of west side road Pit River Valley s Alturas; Pit River Valley Comment
  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
  SEINET11763433  Sagittaria latifolia E. I. Applegate 1929-1 6094 Modoc Clear Lake Dam, Clear Lake Comment
  CAS-BOT-BC225113  Salix boothii Francis Dorris Payne 1932-7-21 728 a Modoc marsh S of Mosquito Lake, E side of Mt. Warren (Buck Mt.) Comment
  CAS-BOT-BC225125  Salix boothii Elmer Ivan Applegate 1932-7-9 7596 Modoc N slope of Bidwell Mountain, Warner Mts. Comment
  JEPS14875  Salix boothii L. S. Smith 1918-8-11 1023 Modoc Camp One-T38-16 Modoc Nat'l Forest 22 Comment
  RSA610752  Salix boothii Louis C. Wheeler 1935-8-2 3748 .5 Modoc Twelve Mile Creek. Warner Mtns. 2256 Comment
  UC492374  Salix boothii Frances D. Payne 1932-7-21 728 b Modoc e Alturas (marsh s of Mosquito Lake); Warner Mts., e side Mt. Warren (Buck Mt.) Comment
  CAS-BOT-BC225757  Salix eastwoodiae Francis Dorris Payne 1931-6-25 275 Modoc Pine Creek Basin, Warner Mts., about 33 km SE of Alturas. 2280 Comment
  SJSU238  Salix eastwoodiae F. D. Payne 1931-7-8 177 Modoc near spring N slope of flat along Cr Pine Cr Basin, Warner Mts, c. 33 km SE Alturas 2286 Comment
  UC481863  Salix eastwoodiae Frances D. Payne 1931-6-25 275 Modoc ca. 33 km. se Alturas; Warner Mts., Pine Creek Basin 2280 Comment
  CAS-BOT-BC225772  Salix exigua Alice Eastwood; John Thomas Howell 1940-6-13 8176 Modoc E side of Cedar Pass. Comment
  NY187440  Salix exigua N. F. Bracelin 1931-6-30 501 Modoc Alturas 1360 Comment
  NY187447  Salix exigua N. F. Bracelin 1931-6-30 501 Modoc Alturas 1360 Comment
  SBBG58877  Salix exigua Mrs. H. P. Bracelin 1931-6-30 488 Modoc Parker Crk, 20 km E of Alturas, meadow S of Payne Ranch 1560 Comment
  UC481844  Salix exigua Frances D. Payne 1931-6-10 139 Modoc Parker Creek Warner Mts. 1560 Comment
  RSA610748  Salix geyeriana Louis C. Wheeler 1935-9-11 3969 Modoc Devils Garden: Mulkey Place, Fletcher Creek. 1524 Comment
  NY187588  Salix geyeriana var. argentea L. C. Wheeler 1935-9-11 3969 Modoc Mulky Place, Fletcher Creek, Devil's Garden 1524.0 Comment
  CAS-BOT-BC229693  Salix lasiandra subsp. caudata P. Monnet 1913-7-1 930 Modoc Warner's Range. 1828 Comment
  UC437296  Salix lasiandra subsp. lasiandra Belknap C. Goldsmith 1911-5-21 24 Modoc e. shore Goose Lake; Modoc Nat'l Forest Comment
  UC437389  Salix lasiandra subsp. lasiandra W. P. Taylor and H. C. Bryant 1910-6-26 Modoc Parker Creek Warner Mts., Parker Creek 1676 Comment
  UC634554  Salix lasiandra subsp. lasiandra F. H. Frost 1925-7-11 20 Modoc Cedar Canyon Camp Site Warner Mts., Cedar Canyon Camp Site Comment
  CAS-BOT-BC197563  Salix lasiandra var. lasiandra Bruce Bartholomew; Barrett Anderson 1988-7-22 4548 Modoc N side of the South Fork of Davis Creek, Warner Mts.. 2100 Comment
  SJSU260  Salix lasiandra var. lasiandra Mrs. H. P. Bracelin & F. D. Payne 1931-6-30 Modoc S of Payne Ranch,Parker Cr, 20 km E of Alturas 1554 Comment
  JEPS14858  Salix lasiolepis Frances D. Payne 1931-6-10 137 Modoc Parker Creek Warner Mts., Parker Creek 1584 Comment
  CAS-BOT-BC197552  Salix lasiolepis var. lasiolepis H. P. Bracelin 1931-6-29 486 Modoc Halfway between Adin and Canby. 1350 Comment
  POM209559  Salix lemmonii Frances D. Payne 1934-08 778 Modoc Pine Creek Basin. Warner Mtns. 2317 Comment
  RSA610749  Salix lemmonii Louis C. Wheeler 1935-9-11 3971 Modoc Devils Garden: Mulkey Place, Fletcher Creek. 1524 Comment
  RSA610751  Salix lemmonii Louis C. Wheeler 1935-8-3 3760 Modoc Warner Mountains: Pine Creek. 1738 Comment
  RSA611275  Salix lemmonii Louis C. Wheeler 1935-8-13 3831 Modoc Warner Mountains: Barnes Creek. Mt. Diablo Mer. 2287 Comment
  UC437299  Salix lemmonii Belknap C. Goldsmith 1911-5-21 26 Modoc e. shore Goose Lake; Modoc Forest Comment
  CAS-BOT-BC229678  Salix lutea H. P. Bracelin; Francis Dorris Payne 1931-6-30 499 Modoc Parker Creek, 20 km E of Alturas. 1560 Comment
  LA208847  Salix lutea Mrs. H. P. Bracelin; Miss Frances D. Payne 1931-6-30 499 Modoc Parker Creek, 20 km. E of Alturas; meadow S of Payne Ranch 1560.0 Comment
  POM362841  Salix lutea H. P. Bracelin, Frances D. Payne 1931-6-30 499 Modoc Parker Creek, 20 km E of Alturas. Meadow S of Payne Ranch. 1560 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-BC229845  Salix prolixa Leland S. Smith 1917-6-21 54 Modoc Cantrall's Mill. 1828 Comment
  CAS-BOT-BC229834  Salix scouleriana Francis Dorris Payne 1934-8-1 778 Modoc Pine Creek Basin, Warner Mts. 2316 Comment
  JEPS14859  Salix scouleriana Frances D. Payne 1931-6-10 138 Modoc Parker Creek Warner Mts., Parker Creek 1584 Comment
  CDA5751  Salvia aethiopis T. C. Fuller 1971-7-14 19900 Modoc West of Highway 395, 0.9 mile south of County Road 170, 7.5 miles south of railroad crossing in Alturas. 0 Comment
  SEINET12765235  Salvia aethiopis Barbara Ertter 1995-7-1 14459 Modoc Hwy395 south of New Pine Creek on Oregon border, at jct of Country Rd. 44, weedy fields and roadside W of hwy.; 0 1463 Comment
  SJSU6170  Salvia dorrii var. incana J. W. Tilden 1958-6-25 1262 Modoc near Monument Headquarters, Lava Caves, Lava Beds National Monument Comment
  RSA233754  Sambucus caerulea R. F. Thorne, C. W. Tilforth 1969-9-5 39141 a Modoc Canyon near junction of South Fork of Pit River and outlet stream from West Valley Reservoir 5 miles east of Likely 1372 Comment
  CAS-BOT-BC95178  Sambucus melanocarpa Belknap C. Goldsmith 1910-7-20 13 Modoc Fandango Creek, W slope of Warner Mts. 1554 Comment
  RSA610631  Sambucus racemosa L. C. Wheeler 1935-8-14 3852 Modoc Lily Lake, Pine Creek, Warner Mountains. 2073 Comment
  JEPS45509  Sanguisorba annua L. S. Smith 1918-6-14 936 Modoc South Slope Buck Creek Ranger Station and Willow Creek 1676 Comment
  UC1191507  Sanguisorba annua Herbert L. Mason and Verne Grant 1947-7-13 13443 Modoc Joseph Creek on Hwy 395 n of Davis Creek (e side Goose Lake) (near roadside); e side Goose Lake, Joseph Creek Comment
  HSC80789  Sanicula graveolens G. M. Riegel 1979-7-13 511 Modoc South Warner Mountains 1829 Comment
  UC1598724  Sanicula graveolens Milo S. Baker 1893-6 Modoc in Modoc County Modoc County Comment
  CAS-BOT-BC95239  Saponaria officinalis Verne Grant; I. Schneider 1947-8-24 8256 Modoc S end of Jess Valley, Warner Mts. Comment
  CAS-BOT-BC95563  Sarcobatus vermiculatus Belknap C. Goldsmith 1911-1-1 Modoc Buck Mt. Ranger Station, Fandango Valley. Comment
  RSA70026  Sarcobatus vermiculatus F. W. Peirson 1926-6-26 6901 Modoc between Alturas and Canby Comment
  POM354596  Saxifraga howellii Louis C. Wheeler 1935-8-1 3728 Modoc Warner Mountains: Dismal Swamp, Twenty Mile Creek. 2226 Comment
  UC1583998  Saxifraga integrifolia G. Schoolcraft 1990-6-7 2081 Modoc about 12 mi ne of Alturas (near Joseph Creek) 1615 Comment
  CAS-BOT-BC225956  Saxifraga nidifica var. nidifica Bruce Bartholomew 1994-5-28 6716 Modoc Vicinity of Cold Spring SE of Sugar Hill, W side of Warner Mts. 1880 Comment
  JEPS43515  Saxifraga oregana Frances D. Payne 1929-7-7 67 Modoc 2 mi sw of Mount Warren (Pine Creek Basin, southeastern Modoc County); Pine Creek Basin 2133 Comment
  UCR34690  Saxifraga oregana J. A. Harpel 1981-8-6 V 36 Modoc Warner Mtns, South Warner Wilderness Area: E end of Patterson Lake, 7 mi NW of Eagleville 2744 Comment
  UCD126455  Schedonorus arundinaceus L. D. Whitney 1935-7-7 s.n. Modoc Howard Gulch. Comment
  UCD126479  Schedonorus pratensis J. E. Coke 1932-11-1 s.n. Modoc Modoc County. Comment
  CAS-BOT-BC245127  Schoenoplectus americanus Bruce Bartholomew 1990-6-17 5290 Modoc Surprise Valley, SW side of Lower Alkali Lake, 3.2 km N of Lassen County border. 1370 Comment
  UCD143730  Schoenoplectus americanus Herbert L. Mason 1947-8-11 1349 Modoc on Highway 81, west margin of Lower Lake, near boundary between Lassen and Modoc counties. Comment
  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
  UC1100886  Scirpus nevadensis Herbert L. Mason 1947-8-15 13543 Modoc e side Goose Lake (mouth Crane Creek, Willow Ranch); mouth Crane Creek, e side Goose Lake, Willow Ranch Comment
  UCD92544  Scribneria bolanderi L. D. Whitney 1935-5-22 s.n. Modoc near Hackamore. Comment
  HSC21138  Scrophularia californica R. C. Wunner 1965-6-20 214 Modoc California Lava Beds National Monument, Garden Bridges Cave 1524 Comment
  CAS-BOT-BC197840  Scrophularia lanceolata Bruce Bartholomew 1991-6-22 5834 Modoc E slope of S end of Warner Mountains, 3.4 km SW of County Road 1 on road to Patterson. 1620 Comment
  POM42816  Scrophularia lanceolata R. M. Austin 1895-08 129 Modoc Goose Lake Valley Comment
  CAS-BOT-BC179230  Scutellaria nana Lindsay Stuart Smith 1924-5-31 1358 Modoc Egg Lake Ranch and S. Comment
  RSA14138  Scutellaria nana Elmer I. Applegate 1897-6-2 890 Modoc Near Alturas. Comment
  UCR34756  Sedum rosea J. A. Harpel 1981-8-6 V 39 Modoc Warner Mtns, South Warner Wilderness Area: E end of Patterson Lake, 7 mi NW of Eagleville 2744 Comment
  UC205196  Sedum stenopetalum W. P. Taylor and H. C. Bryant 1910-6-25 Modoc Parker Cr Warner Mountains 1676 Comment
  JEPS48024  Sedum stenopetalum Frances D. Payne 1929-7-20 103 Modoc s and e Alturas (Parker Creek, on n slope, Warner Mountains); Warner Mountains, Parker Creek, s and e of Alturas 1584 Comment
  RSA84213  Sedum stenopetalum subsp. stenopetalum F. W. Peirson 1926-6-25 6866 Modoc West slope of Warner Mountains on Cedarville Road. Comment
  CAS-BOT-BC50334  Senecio aronicoides Bruce Bartholomew 1993-6-12 6584 Modoc Road to Day Rock from Little Hot Spring Valley. 1250 Comment
  HSC28825  Senecio aronicoides D. H. Norris, T. Nelson, S. Dowty 1971-6-22 19337 Modoc Soup Springs Campground Comment
  HSC81125  Senecio aronicoides G. M. Riegel 1980-6-25 769 Modoc South Warner Mtns. 2100 Comment
  RSA0012438  Senecio aronicoides Bruce Bartholomew 1992-5-14 6277 Modoc SW side of White Horse Mountains, SW of White Horse Flat Reservoir. 1370 Comment
  SEINET201634  Senecio aronicoides Arthur Cronquist, Arthur H. Holgren 1959-6-19 Modoc Warner Mts. 15 miles east of Likely. 1981 Comment
  CDA8600  Senecio canus T. C. Fuller 1965-6-2 13596 Modoc South side of Highway 299 to Canby, 10.3 miles west of Alturas. 0 Comment
  RSA271898  Senecio eurycephalus Christopher Davidson 1975-6-4 2592 Modoc 0.4 mile east of Highway 395 on Highway 299 toward Cedarville. Fenced pasture on south side of road. 1380 Comment
  RSA113689  Senecio eurycephalus H. K. Sharsmith 1955-6-25 4507 Modoc North slope of Jess Valley. Warner Mountains, Modoc National Forest. 1585 Comment
  CHSC67086  Senecio hydrophiloides James D. Jokerst 1987-5-12 2840 Modoc Radar Survey Site S of Doublehead Mtn., N end of central sector. Comment
  CAS-BOT-BC50284  Senecio hydrophilus James D. Jokerst 1983-5-31 1807 Modoc Near Signal Butte. 1340 Comment
  JEPS5943  Senecio serra var. serra Frances D. Payne 1932-7-22 745 Modoc s and e of Alturas; Warner Mountains, Parker Creek 1584 Comment
  RSA0013301  Senecio serra var. serra Bruce Bartholomew 1989-8-12 5109 Modoc S end of Coyote Creek, ca. 1.5 km SW of Sunflower Knob, S end of Warner Mountains 2040 Comment
  UC748200  Senecio triangularis Annie M. Alexander and Louise Kellogg 1946-7-17 5000 Modoc edge South Fork Davis Creek (Plum Valley Camp, Warner Mountains); Warner Mountains, , Plum Valley Camp Comment
  CAS-BOT-BC95636  Shepherdia argentea Isabelo T. Kelly 1930-1-1 2 Modoc Near Cedarville, Surprise Valley. Comment
  CAS-BOT-BC225036  Sibbaldia procumbens Elmer Ivan Applegate 1923-8-1 8023 Modoc High summit of Warner Mtns. just S of Warren Peak. Comment
  HSC75912  Sibbaldia procumbens D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-22 19339 Modoc Soup Springs Campground Comment
  POM319037  Sidalcea Patricia Wilder 1971-6-20 5098 Modoc Lookout-White Horse Rd., about 3 mi. west of Lookout; north of Bieber and California State Hiway 299. Pit River Drainage, Cascades Mt. Range. 1372 Comment
  CAS-BOT-BC179067  Sidalcea oregana subsp. oregana John Thomas Howell 1934-6-11 11944 Modoc Parker Creek. 1584 Comment
  CAS-BOT-BC179078  Sidalcea oregana subsp. oregana Barrett Anderson 1986-7-9 3138 Modoc Roney Flat Rd just off Hwy 299. 1435 Comment
  CAS-BOT-BC179093  Sidalcea oregana subsp. oregana Leland S. Smith 1922-7-13 1265 A Modoc Crowder Flat Ranger Station pasture. 1463 Comment
  CHSC85111  Sidalcea oregana subsp. oregana John Dittes; Josephine Guardino 1991-7-21 426 Modoc Modoc Plateau; Big Valley; Ash Creek Wildlife Area; ca. 5.7 air-miles northeast of Bieber, ca. 7.6 air-miles west of Adin, ca. 1.5 air-mile southeast of Pilot Butte summit; meadow at northern edge of Ash Creek Floodplain (Big Swamp) at southeast base of Pilot Butte. 1258 Comment
  CAS-BOT-BC191147  Sidalcea oregana subsp. spicata Bruce Bartholomew; Barrett Anderson 1988-6-24 4358 Modoc 9.8 km SW of County road 1 on County Road 42, E side of the Warner Mts.. 1960 Comment
  CHSC106713  Sidalcea oregana subsp. spicata Barbara Ertter 1988-6-18 7612 Modoc W side of Hwy 139 just S of where it crosses rialroad at jct to Clear Lake, NE of Dry Lake E of Lava Beds Nat'l Monument. 1249 Comment
  UC748248  Sidalcea oregana subsp. spicata Annie M. Alexander and Louise Kellogg 1946-7-11 4976 Modoc Mesa west Eight Mile Creek, Mesa west (Eight Mile Creek, ne corner of county) Comment
  NY446681  Silene dichotoma B. M. Bartholomew 1990-7-20 5489 Modoc 10.3 km north of Buck Creek Ranger Station, crest of Warner Mountains on the west side of Warner Mountains 2130 Comment
  UC705688  Silene douglasii Marion Ownbey, Fred G. Meyer 1940-7-1 2154 Modoc Cedar Peak Warner Mts., Cedar Peak Comment
  UC120177  Silene douglasii Mrs. R. M. Austin July, 1887 Modoc Hills Comment
  CAS-BOT-BC95242  Silene douglasii var. douglasii Louis Cutter Wheeler 1935-8-5 3784 Modoc Pine Creek, Warner Mts. 2316 Comment
  CAS-BOT-BC95257  Silene douglasii var. douglasii Clare Butterworth Hardham 1974-8-6 20178 Modoc Cedar Pass, Warner Mts. 1935 Comment
  CAS-BOT-BC95267  Silene menziesii E. S. Willits 1940-6-9 331 Modoc Fandango Pass. Comment
  UC8480  Silene menziesii Mrs. R. M. Austin Aug., 1894 Modoc Sugar Loaf Hill Comment
  CAS-BOT-BC95259  Silene nuda Leland S. Smith 1922-8-1 1321 Modoc Dutch Flat field. 1371 Comment
  CAS-BOT-BC95277  Silene oregana Leland S. Smith 1918-7-10 982 Modoc Mill Creek. 2133 Comment
  SEINET10735739  Sisymbrium altissimum Andrew Townesmith, Karen M. Meyer 2007-9-15 Townesmith 932 Modoc Modoc National Forest, Warner Mountain Ranger District. Cedar Creek Upper Trailhead, 0.6 miles off state route 299 on Forest Service road 195. T43N R15E S33. 1948 Comment
  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
  UC663494  Sium suave Francis Drouet and Donald Richards 1941-9-11 4177 Modoc Alturas North fork of the Pit River (North fork of the Pit River) 1341 Comment
  CDA39381  Smilacina racemosa var. amplexicaulis T. C. Fuller 1963-6-11 10653 Modoc 3.1 miles north of Blue Lake Guard Station, 14.0 miles southeast of Likely. 0 Comment
  JEPS62143  Smilacina stellata Frances D. Payne 1931-6-20 201 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  CDA34290  Solanum dulcamara L. Ahart, J. Dittes 2010-8-31 17095 Modoc On the south side of Ash Creek, 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, and about 7.7 miles (air) northeast of Bieber, Big Valley. Comment
  CHSC106204  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 Valley. 1267 Comment
  CAS-BOT-BC245430  Solanum physalifolium var. nitidibaccatum John Thomas Howell 1934-7-2 12365 Modoc W side of Clear Lake. Comment
  RSA0020577  Solanum physalifolium var. nitidibaccatum Louis C. Wheeler 1935-9-22 3994 Modoc 3 mi W of Alturas 1357 Comment
  UC1191778  Solanum triflorum Herbert L. Mason, Verne Grant 1947-7-10 13341 Modoc 2 mi e of Alturas (Dorris Reservoir); Dorris Reservoir Comment
  UC570688  Solanum triflorum F. H. Frost 1925-7-20 92 Modoc 2 mi above Cedarville (Cedar Camp); Warner Mountains, Cedar Camp Comment
  RSA2865  Solanum triflorum Carl B. Wolf 1931-9-5 2399 Modoc Roadside, on grade from Lake City-Fort Bidwell Road - to Davis Creek. (3 miles above east base) Warner Mtns. 1677 Comment
  CAS-BOT-BC54284  Solidago velutina subsp. californica Bruce Bartholomew 1989-8-10 5046 Modoc 8.7 km E of Day on County Road 94. 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
  UCD94839  Sparganium emersum Verne Grant; Irving Schneider 1947-7-22 8137 Modoc North Fork of Pit River by State Quarantine Station, Highway 395, N of Alturas. Comment
  UCD94836  Sparganium emersum Herbert L. Mason; Verne Grant 1947-7-12 13433 Modoc Corporation Ranch Headquarters, north of Likely. Comment
  UCD94837  Sparganium emersum Verne Grant; Irving Schneider 1947-7-18 8057 Modoc South loop of eastside road in Pit River Valley, S of Alturas. Comment
  RSA0098129  Spergularia rubra Bruce Bartholomew, B. Anderson 1988-7-23 4583 Modoc Dismal Swamp, Warner Mountains. 2180 Comment
  CAS-BOT-BC15683  Sphenosciadium capitellatum Bruce Bartholomew 1990-8-4 5652 Modoc Side tributary in upper reaches of Owl Creek drainage, E side of Warner Mts. 2500 Comment
  UC1714645  Sphenosciadium capitellatum Mrs. M. H. Manning Aug 1903 199 Modoc Mill Canyon Comment
  CAS-BOT-BC245023  Spirodela polyrhiza Ellsworth Bethel 1923-4-24 s.n. Modoc Adin. Comment
  SEINET11587758  Stachys ajugoides Unknown 2016-8-16 9 -11 Modoc Lookout Comment
  CAS-BOT-BC179205  Stachys pilosa Alice Eastwood; John Thomas Howell 1940-6-12 8052 Modoc Between Likely and Jess Valley. Comment
  CAS-BOT-BC95229  Stellaria longipes Annie Montague Alexander; L. Kellogg 1946-7-10 4959 Modoc Eight Mile Creek, NE corner of county. 1755 Comment
  NY482949  Stellaria longipes B. M. Bartholomew 1988-7-22 4515 Modoc Southeast side of Sunflower Knob, southern end of the Warner Mountains; Emerson Peak 7 1/2' Quad. 2160 Comment
  CAS-BOT-BC95290  Stellaria longipes var. longipes Roxana Stinchfield Ferris; R. Duthie 1919-6-14 141 Modoc Parker Creek at Modoc Nat. Forest Boundary. Comment
  CAS-BOT-BC95294  Stellaria longipes var. longipes Bruce Bartholomew 1991-6-23 5870 Modoc W side of Ingall Swamp, Devil's Garden. 1510 Comment
  UC748048  Stellaria longipes var. longipes Annie M. Alexander and Louise Kellogg 1946-7-10 4959 Modoc edge of Eight Mile Creek 1752 Comment
  RSA164370  Stenotus acaulis Clare B. Hardham 1961-6-18 7570 Modoc Hills S of Cedar Pass. 1829 Comment
  RSA25391  Stenotus acaulis C. L. Hitchcock 1940-5-27 6668 Modoc 15 miles northeast of Alturas. 1616 Comment
  UC1523801  Stenotus acaulis Gary Schoolcraft 1981-5-12 391 Modoc SW of Alturas 1493 Comment
  UC748195  Stephanomeria tenuifolia Annie M. Alexander and Louise Kellogg 1946-7-5 4908 Modoc Lava Cliff, w Lower Lake Lower Lake Comment
  SEINET10893284  Stipa lettermanii Louis C. Wheeler 1935-8-3 Wheeler 3752 Modoc Dry semi-sunny timbered E slope; Dismal Swamp, Twenty Mile Creek, Warner Mts. 2225 Comment
  CAS-BOT-BC95053  Streptanthella longirostris Bruce Bartholomew; Barrett Anderson 1989-6-2 4833 Modoc 6.4 km E of Eagleville on the road to the California state border, E side of Surprise Valley. 1550 Comment
  NY188817  Streptanthella longirostris B. M. Bartholomew 1994-5-15 6691 Modoc E of Eagleville near the Eagleville Airport, Surprize Valley. 1380 Comment
  UC1492719  Streptanthus cordatus Freed W. Hoffman 1957-6-29 4265 Modoc 13.3 mi s Adin Comment
  CAS-BOT-BC95063  Streptanthus cordatus var. cordatus Annie Montague Alexander; L. Kellogg 1946-6-22 4815 Modoc Bidwell Creek, 2 mi. above Fort Bidwell. Comment
  UC1736576  Streptanthus cordatus var. cordatus Dean Wm. Taylor with Glenn Clifton 1987-6-27 9102 Modoc Highway 395 3.5 miles N of Northern junction with Highway 299 1371 Comment
  POM229217  Suaeda calceoliformis L. C. Wheeler 1935-9-4 3942 Modoc Goose Lake: McGinty Point. 1463 Comment
  RSA624459  Suaeda calceoliformis L. C. Wheeler 1935-9-4 3942 Modoc Goose Lake: McGinty Point. 1463 Comment
  CAS-BOT-BC180105  Swertia albicaulis var. albicaulis Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-15 16499 Modoc Junction of road to Tieneste with Hwy 139. Comment
  JEPS46351  Swertia albicaulis var. albicaulis L. S. Smith 1920-6-11 1165 Modoc Badger Spring Warner Mts., Happy Camp District Comment
  JEPS46352  Swertia albicaulis var. albicaulis L. S. Smith 1918-1 Modoc 6-10 mi e Likely 1676 Comment
  JEPS46349  Swertia radiata F. Payne 1929-7-12 98 Modoc Lost Lake Ridge Warner Mts. Comment
  UC1037210  Symphoricarpos mollis Leo Whitney 1934-5-28 1573 Modoc near Hackamore (Spaulding Butte, ca 15 mi nw of Canby); Modoc National Forest, Spaulding Butte 1463 Comment
  CAS-BOT-BC95185  Symphoricarpos rotundifolius var. rotundifolius P. Monnet 1913-7-1 897 Modoc East of Surprise Valley. 2133 Comment
  CAS-BOT-BC95193  Symphoricarpos rotundifolius var. rotundifolius Elmer Ivan Applegate 1932-7-9 7576 Modoc Warner Mountains, north slope of Bidwell Mountain 0 Comment
  UC525882  Symphoricarpos rotundifolius var. rotundifolius F. H. Frost 1925-7-11 30 Modoc 3 mi above Cedarville; Warner Mts., Cedar Canyon Comment
  UC1192166  Symphyotrichum bracteolatum Verne Grant and Irving Schneider 1947-8-28 8332 Modoc nw of, at Jack Swamp Alturas Comment
  RSA0118760  Symphyotrichum campestre Lowell A. Ahart, John Dittes 2013-7-25 18950 Modoc Along the north-south fence, south edge of Ash Creek Floodplain, northwest of Patterson Homestead, east of Elkins Lane, 1.0 mile (air) south of County Road 87, 3.14 miles (air) west of Adin, Big Valley. 1268 Comment
  UC71841  Symphyotrichum foliaceum Mrs. M. H. Manning 1903-8-27 478 Modoc Mt. Bidwell, ne Modoc Co Mt. Bidwell Comment
  CAS-BOT-BC15152  Symphyotrichum foliaceum var. parryi Annie Montague Alexander; L. Kellogg 1946-7-12 4987 Modoc Twelve Mile Creek, northeast corner of county Comment
  HSC65602  Symphyotrichum foliaceum var. parryi Thomas Wood 1979-8-9 236 Modoc Dirt road along Bidwell Creek, 2.7 mi. NW of Jct. with Hwy. 2, N of Fort Bidwell. 1509 Comment
  CAS-BOT-BC15172  Symphyotrichum spathulatum var. spathulatum Herbert Louis Mason 1947-8-9 13480 Modoc East side of Fairchild Swamp, N of Alturas. Comment
  JEPS120542  Synthyris missurica B. Castro and L. P. Janeway 2012-7-28 1980 Modoc Warner Mountains. Along the major eastern tributary of Pine Creek where the road to Poison Lake crosses it (the road washed out here). Comment
  POM261275  Synthyris missurica C. Leo Hitchcock 1940-5-27 6716 Modoc 15 miles NE of Alturas. 1982 Comment
  CAS-BOT-BC252542  Taeniatherum caput-medusae Thomas C. Fuller 1959-7-8 2742 Modoc Hwy 299, 8 mi. W of Alturas. 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
  UCD86197  Taeniatherum caput-medusae R. Tofsrud 1950-7-25 s.n. Modoc Hwy. 299, Pit River bridge, few mi. S. of Canby. Comment
  HSC6253  Taraxacum officinale M. T. Milligan 1965-6-23 287 Modoc N end Jess Valley 1616 Comment
  UC107656  Taraxia subacaulis Mrs. R. M. Austin July 1894 Modoc Goose Lake Valley Comment
  UC748416  Taraxia subacaulis Annie M. Alexander and Louise Kellogg 1946-6-26 4831 Modoc Dismal Swamp north end of Warner Mountains 2255 Comment
  UC1523787  Taraxia tanacetifolia Lisa Janio 1981-7-30 48 Modoc n Canby (edge of drying reservoir); Loveness Road Pond 1524 Comment
  UCSB12576  Taraxia tanacetifolia Dearing, Hugh; Dearing, Margaret 1939-6-7 Modoc near Canby Comment
  UC619273  Taraxia tanacetifolia J. and H. W. Grinnell 1938-6-16 1115 Modoc flat land near Cow Head Lake Comment
  UC748417  Taraxia tanacetifolia Annie M. Alexander and Louise Kellogg 1946-6-10 4710 Modoc on shore Snake Lake Comment
  SD61011  Tetradymia canescens Darley F. Howe 1964-8-1 Modoc 11 miles south of Alturas on Highway 395 1280 Comment
  UC449667  Tetradymia canescens M. F. Gilman 619 Modoc mountains 1981 Comment
  CAS-BOT-BC54241  Tetradymia glabrata Bruce Bartholomew 1991-6-22 5847 Modoc E side of Surprise Valley, 9.6 km E of Eagleville at the Nevada border. 1520 Comment
  CAS-BOT-BC217132  Thalictrum fendleri Bruce Bartholomew 1990-8-5 5657 Modoc Summit Trail, ca. 1 km N of Patterson Ranger Station, W side of Warner Mts. 2270 Comment
  CAS-BOT-BC217170  Thalictrum fendleri Annie Montague Alexander; L. Kellogg 1946-7-2 4895 Modoc Dismal Swamp, N end of Warner Mts. 2255 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
  RSA69387  Thalictrum occidentale var. palousense F. W. Peirson 1926-6-25 6877 Modoc 1 mile east of summit of Cedarville Road, Warner Mountains Comment
  CAS-BOT-BC95073  Thelypodium flexuosum Bruce Bartholomew 1993-6-13 6633 Modoc Near Fortynine Creek, E of Cedarville on E side of Surprise Valley. 1400 Comment
  NY746797  Thelypodium flexuosum N. H. Holmgren 1998-5-30 12997 Modoc Surprise Valley, Modoc County Road 299, 6.9 km (4.3 mi) east of downtown Cedarville, at a turnoff to some hotsprings 1370 Comment
  POM143373  Thelypodium howellii M. S. Baker 1894-6-29 s.n. Modoc Big Valley near Lookout Comment
  CAS-BOT-BC95082  Thelypodium milleflorum Bruce Bartholomew 1994-5-15 6690 Modoc E of Eagleville near the Eagleville Airport, Surprize Valley. 1380 Comment
  NY215733  Thelypodium milleflorum B. M. Bartholomew 1989-6-2 4816 Modoc At the SE corner of Upper Alkali Lake, E side of Surprise Valley. 1400 Comment
  UCD115580  Thlaspi arvense P. B. Kennedy 1917-1 s.n. Modoc Adin. Comment
  CAS-BOT-BC66415  Thysanocarpus curvipes B. Bartholomew 1995-6-22 6982 Modoc Between Day and Lookout, 17.0 km west of Day on County Road 94. 1280 Comment
  CHSC67140  Toxicoscordion venenosum var. venenosum James D. Jokerst 1987-5-11 2828 Modoc Radar Survey Site S of Doublehead Mtn., S of Clear Lake Reservoir. 1363 Comment
  CAS-BOT-BC54248  Tragopogon dubius Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-13 16443 Modoc 11 mi. N of Cedarville, Surprise Valley. Comment
  CHSC115844  Tragopogon dubius Lowell Ahart; John Dittes 2015-7-16 20387 Modoc North edge of Ash Creek (destroyed), southeast of gravel pit (destroyed), about 1/8 mile east of parking area on east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  RSA152724  Tragopogon pratensis I. L. Wiggins, Dorothy Wiggins 1961-6-13 16444 Modoc Roadside ditch 11 mi. N of Cedarville, in Surprise Valley. Comment
  CAS-BOT-BC179197  Trichostema oblongum Bruce Bartholomew 1991-7-6 5987 Modoc Sand Flat on Loveness Logging Road. 1370 Comment
  CAS-BOT-BC181789  Trifolium beckwithii Elmer Ivan Applegate 1897-6-1 868 Modoc Alturas. Comment
  UCD107610  Trifolium beckwithii Z. Farmer 1948-7-1 s.n. Modoc Triangle Ranch, near Alturas. Comment
  RSA582429  Trifolium cyathiferum Louis C. Wheeler 3727 Modoc Dismal Swamp, Twenty-Mile Creek, Warner Mts. 2226 Comment
  CAS-BOT-BC181776  Trifolium gymnocarpon var. plummerae Leland S. Smith 1920-6-1 1156 Modoc Below stock pass, Mt. Bidwell Rim. 1920 Comment
  CHSC115595  Trifolium hybridum Lowell Ahart; John Dittes 2015-7-16 20365 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
  JEPS66051  Trifolium kingii var. productum Leland S. Smith 1917-7-18 841 Modoc w Cedarville (Soldier Creek); Warner Mtns Comment
  JEPS66052  Trifolium kingii var. productum Leland S. Smith 1918-6-23 857 Modoc vicinity Modoc Forest (High Grade) Comment
  CAS-BOT-BC181747  Trifolium longipes Bruce Bartholomew 1992-5-16 6328 Modoc Lunsford Spring. 1600 Comment
  CHSC117016  Trifolium longipes subsp. multipedunculatum 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. 1271 Comment
  JEPS33192  Trifolium longipes var. hansenii Milo S. Baker 1893-5-26 Modoc Goose Valley Comment
  CAS-BOT-BC181738  Trifolium macrocephalum Mrs. H. C. Cantelow 1941-5-23 Modoc 2 miles W of Adin Summit, east of Bieber, Hwy. 299 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
  UCD111341  Trifolium macrocephalum Thomas E. Bedell 1962-5-8 s.n. Modoc east of Bidwell. Fee Ranch. Comment
  CAS-BOT-BC180172  Trifolium microcephalum Bruce Bartholomew 1991-7-6 5956 Modoc 2 km above Lower Rush Creek Campground along Rush Creek. 1500 Comment
  HSC15154  Trifolium pratense M. T. Milligan 1965-6-26 334 Modoc N end Jess Valley 1616 Comment
  CAS-BOT-BC181755  Trifolium productum Elmer Ivan Applegate 1932-8-5 8173 Modoc Cedar Mountain, Warner Mts. Comment
  CAS-BOT-BC180157  Trifolium wormskioldii Alice Eastwood; John Thomas Howell 1940-6-12 8038 Modoc Likely. Comment
  CAS-BOT-BC245032  Triglochin concinna var. debilis Edward Kent Balls 1950-5-10 14604 Modoc Below Menlo Baths, W shore of Lower Lake. 1402 Comment
  CHSC101044  Tripleurospermum perforatum John Dittes; Lowell Ahart 2008-8-26 1543 Modoc Great Basin; Modoc Plateau; northern edge of Big Valley, ca. 3.7 air miles northeast of Lookout, ca. 2.4 air miles southeast of Splawn Mountain, ca. 0.52 air mile east of County Road 91; alluvial terrace on western side of Pit River. 1264 Comment
  UC1024936  Trisetum canescens Leo Whitney 1935-7-1 3339 Modoc near Hackamore (ca 15 mi nw of Canby); Modoc National Forest, Spaulding's Butte 1463 Comment
  CAS-BOT-BC242158</