Search Results — 2000 specimen records retrieved (1506 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

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

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC73501  Abies concolor John Thomas Howell 1934-6-14 12180 Modoc Patterson Mill Road, Warner Mts. Comment
  UC401289  Abies concolor Mrs. M. H. Manning Modoc Ft. Bidwell Comment
  JEPS36905  Achillea millefolium W. L. Jepson 1918-8-7 7862 Modoc Mt. Bidwell 2133 Comment
  UC469107  Achillea millefolium W. P. Taylor and H. C. Bryant 1910-6-25 Modoc on flats and hillsides Parker Cr.; Warner Mountains 1676 Comment
  UCD50631  Achnatherum lemmonii R. Tofsrud 1947-7-1 211 Modoc Between Alturas and Cedarville, Modoc County. Comment
  UCD50818  Achnatherum nevadense J. C. Hayes 1935-6-25 s.n. Modoc Alturas. Comment
  UC711840  Achnatherum occidentale subsp. californicum Roxana S. Ferris and Laura Lorraine 1941-8-13 10533 Modoc East Creek drainage, Patterson Ranger Station Warner Mountains, Modoc National Forest 2164 Comment
  UC1024854  Achnatherum occidentale subsp. occidentale Leo Whitney 1935-6-17 3191 Modoc 2 mi ne, near lava rim Hole-in-the-rock (ca. 18 mi wnw of Canby) Comment
  UC1025058  Achnatherum occidentale subsp. pubescens Leo Whitney 1935-7-29 3574 Modoc ca. 15 mi nw Canby (Hackamore); Modoc National Forest, Hackamore 1463 Comment
  UC1037149  Achnatherum occidentale subsp. pubescens Leo Whitney 1935-7-6 3423 Modoc Crank Springs Comment
  UCD32698  Achnatherum occidentale subsp. pubescens Beecher Crampton 1954-7-6 2114 Modoc Modoc County, Road 56, following Shields Creek into Warner Mountains, 22 miles east of Alturas. Comment
  UCD32714  Achnatherum thurberianum Beecher Crampton 1954-7-7 2146 Modoc Modoc County, 3 miles west of Cedarville, east side of Cedar Pass, on volcanic slopes. 1097 Comment
  UCD51426  Achnatherum thurberianum L. Whitney 1935-7-2 3333 Modoc Badger Wells, 17 miles northwest of Canby. Comment
  CHSC111102  Acmispon americanus var. americanus Lowell Ahart; John Dittes 2010-7-12 18354 Modoc In the parking area on the east side of Elkins Lane, northeast of the homestead, about 300 yards north of the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1295 Comment
  JEPS123844  Acmispon denticulatus Lowell Ahart, John Dittes 2015-7-16 20389 Modoc Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. Comment
  UC465629  Aconitum Mrs. M. H. Manning 1907-1 Modoc e. side Mt. Bidwell (12 Mile Creek); n.e. Modoc Co., 12 Mile Creek Comment
  CAS-BOT-BC218309  Aconitum columbianum Bruce Bartholomew; Barrett Anderson 1990-7-20 5498 Modoc Tamarack Flat, E side of Warner Mts. 2150 Comment
  HSC1956  Aconitum columbianum subsp. columbianum M. T. Milligan 1966-7-29 599 Modoc Slopes and ridges E of Jess Valley Comment
  CDA34271  Acroptilon repens L. Ahart, J. Dittes 2010-8-31 17093 Modoc Just south of the Parking Area on the west side of Elkins Lane, Ash Creek State Wildlife Area, about 7.2 miles (air) northeast of Bieber, Big Valley. Comment
  CAS-BOT-BC15640  Adenocaulon bicolor Bruce Bartholomew; Barrett Anderson 1988-7-21 4441 Modoc Above Upper Rush Creek Campground ca. 4 km E of State Highway 299 between Adin and Canby. 1580 Comment
  POM346393  Adenocaulon bicolor F. R. Fosberg 1957-8-18 38847 Modoc Upper Rush Creek Camp Ground, northeast of Adin. 1600 Comment
  CAS-BOT-BC218330  Adonis aestivalis Bruce Bartholomew 1995-6-4 6960 Modoc 1.1 km E of Canby on State Hwy 299. 1280 Comment
  JEPS94590  Adonis aestivalis Vernon H. Oswald, Beth Corbin and Gary Schoolcraft 1993-5-17 8463 Modoc Bushey Rd. on n side of river s Canby Bridge; Pit River 1280 Comment
  CDA3512  Adonis aestivalis Loring White 1963-6-1 Modoc West of Canby. 0 Comment
  SEINET9362678  Aegilops cylindrica Unknown 2002-6-24 1151611 Modoc Modoc Comment
  CHSC109888  Agastache urticifolia B. Castro; L. P. Janeway 2012-7-25 1961 Modoc Warner Mountains. Low broad ridge ca 0.8 air mi E of Dismal Swamp. 2246 Comment
  HSC81097  Agastache urticifolia G. M. Riegel 1980-7-23 927 Modoc S Warner Mtns. 2100 Comment
  UC748039  Agastache urticifolia Annie M. Alexander and Louise Kellogg 1946-7-11 4963 Modoc slope w Eight Mile Creek (ne corner of Modoc County); slope w of Eight Mile Creek Comment
  UCR34491  Agastache urticifolia J. A. Harpel 1981-8-7 V- 48 Modoc Warner Mtns, South Warner Wilderness Area: Pine Creek Basin Trail, 7 mi NW of Eagleville 2652 Comment
  JEPS62949  Agastache urticifolia F. H. Frost 1925-7-13 73 Modoc summit of Cedar Canyon; Warner Mountains, summit of Cedar Canyon Comment
  RSA504845  Agastache urticifolia Bruce Bartholomew, B. Anderson 1988-7-21 4459 Modoc Vicinity of Patterson Campground, Southern end of the Warner Mountains. 668 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
  JEPS18576  Ageratina occidentalis F. H. Frost 1925-7-20 91 Modoc 2 mi above Cedarville; Cedar Camp Comment
  HSC81033  Agoseris aurantiaca G. M. Riegel 1980-7-7 824 Modoc South Warner Mountains 2100 Comment
  RSA95000  Agoseris glauca var. dasycephala F. W. Peirson 1926-6-25 6884 Modoc Small side canyon 1 mile east of summit of Warner Mountains on Cedarville Road. Comment
  RSA94603  Agoseris glauca var. glauca F. W. Peirson 1926-6-25 6865 Modoc Warner Mountains; not far below summit in small side canyon; Cedarville Road, west slope Comment
  CAS-BOT-BC23034  Agoseris grandiflora var. grandiflora Annie M. Alexander; Louise Kellogg 1946-6-8 4692 Modoc Road to Patterson Hill from Eagleville 1676 Comment
  CAS-BOT-BC15278  Agoseris heterophylla Arnold 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 1615 Comment
  CAS-BOT-BC126788  Agoseris parviflora E. H. Steffen 1917-6-11 45 Modoc Jess Valley 1524 Comment
  CAS-BOT-BC242423  Agrostis exarata Leland S. Smith 1924-6-29 1441 Modoc Happy Camp Ranger Station. Comment
  JEPS119855  Agrostis exarata Lowell Ahart, John Dittes 2012-7-11 18347 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 Country Road 87, about 7.5 miles (air) west of Adin, about 10.2 miles (air) east of Lookout, Big Valley. 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
  UCD32684  Agrostis exarata Beecher Crampton 1954-7-6 2096 Modoc Modoc County, Road 56, following Shields Creek into Warner Mountains, 22 miles east of Alturas. 1676 Comment
  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
  CAS-BOT-BC190687  Aliciella lottiae Bruce Bartholomew; Barrett 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
  CAS-BOT-BC245221  Alisma gramineum Herbert Louis Mason 1955-8-13 14653 A Modoc SW side of Goose Lake. Comment
  POM313033  Alisma gramineum H. L. Mason 1955-8-13 14653 -B Modoc Southwest side of Goose Lake Comment
  UCR143477  Alisma gramineum L. C. Wheeler 1935-8-18 3890 Modoc Great Basin Province; Modoc Plateau, 2 miles northeast of Alturas 1357 Comment
  SEINET12043812  Allium M. S. Baker, Nutting, F. 1894-1 s.n. Modoc Rocky hillside, Foresttdale 1372 Comment
  CAS-BOT-BC245013  Allium acuminatum K. Paulson; Robert Paulson 1989-6-21 138 Modoc Vicinity of N Fork of Fitzhugh Creek, W side of the Warner Mts. 1493 Comment
  CAS-BOT-BC245021  Allium acuminatum John Thomas Howell 1934-6-11 11956 Modoc Parker Creek. 1584 Comment
  SJSU9707  Allium acuminatum W. Savage 1979-7-10 1525 Modoc Oregon Rim Unit, Devils Garden District, Modoc National Forest 1645 Comment
  UC1585401  Allium acuminatum R. Raiche, K. Zadnik 1989-7-5 90238 Modoc Deep Creek Rd. Warner Mts., Deep Creek Rd. 1615 Comment
  CAS-BOT-BC244998  Allium amplectens Roxana Stinchfield Ferris; R. Duthie 1919-6-14 111 Modoc Warner Mts. near Alturas. 2133 Comment
  SBBG832  Allium bisceptrum H. and M. Dearing 1939-6-7 3577 Modoc Adin summit Comment
  UCD141853  Allium bisceptrum Beecher Crampton 1960-6-17 5693 Modoc McKay Flat, 13 miles west of Canby, 2.5 miles northeast Happy Camp Station. 1280 Comment
  JEPS2714 Image available Allium fimbriatum var. fimbriatum Mrs. R. M. Austin 1894-5-1 Modoc Goose Lake Valley 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
  RSA367064  Allium lemmonii George Willet 1935-6-21 s.n. Modoc Warren Mountains. 2287 Comment
Read comments
Jul 16 2011
  CAS-BOT-BC244973  Allium platycaule E. H. Steffen 1917-7-10 74 Modoc Bowman Ranch. 1828 Comment
  RSA304134  Allium platycaule James R. Shevock 1972-5-20 1807 Modoc West of Alturas, highway 299. 1372 Comment
  SEINET12048087  Allium platycaule Unknown 1945-1 48 Modoc grown at Pullman, WA, Cedar Peak, Warner Mts Comment
  HSC30083  Allium tolmiei var. tolmiei D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-22 19314 Modoc Soup Springs Campground Comment
  CAS-BOT-BC190744  Allophyllum integrifolium Bruce Bartholomew; Barrett Anderson 1988-7-22 4538 Modoc Side Creek, W side of Lake City Canyon, E side of the Warner Mts.. 1980 Comment
  HSC8874  Alopecurus aequalis M. T. Milligan 1966-6-30 510 Modoc Slopes and ridges E of Jess Valley 1768 Comment
  RSA210773  Alopecurus aequalis J. Henrickson, C. W. Tilforth 1969-9-4 39090 Modoc N Fork of Pit River 3.4 mi. N. of Alturas where crossed by Hwy 395. 1341 Comment
  SEINET201567  Alopecurus aequalis A. Cronquist, AH Holmgren 1959-6-29 8492 Modoc Clear Lake Warner Mtns 15 mi E of Likely 1829 Comment
  SJSU9640  Alopecurus geniculatus W. Savage 1979-7-7 1455 Modoc Triangle, west side of Fairchild Swamp unit, Devils Garden District, Modoc National Forest 1493 Comment
  SJSU9642  Alopecurus geniculatus W. Savage 1979-7-8 1472 Modoc Round Valley Unit, Devils Garden District, Modoc National Forest 1493 Comment
  UC1024851  Alopecurus geniculatus Leo Whitney 1935-6-9 3198 Modoc White Horse lake (Flat) near White Horse Comment
  UC1100226  Alopecurus geniculatus Herbert L. Mason and Verne Grant 1947-7-12 13396 Modoc several mi. s. Alturas (irrgation ditch by Jones' Lane, off Hwy. 395) Comment
  CDA43008  Alopecurus pratensis L. Ahart, John Dittes 2008-6-21 14988 Modoc About 10 yards north of a large culvert, on the large levee, mountain meadow, in Big Valley, about 2.8 miles (air) north of the Headquarters at Ash Creek State Wildlife Area, about 5.4 miles (air) northeast of Bieber. Comment
  HSC42319  Alyssum alyssoides S. Saufferer 1973-5-5 131 Modoc About 7 1/2 mi. S of Pine Creek along Hwy. 395 Comment
  CAS-BOT-BC58647  Alyssum desertorum Bruce Bartholomew; Barrett Anderson 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
  CAS-BOT-BC58604  Alyssum simplex James Vale 1981-5-21 Modoc Alturas. 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
  UC1191391  Amaranthus californicus Verne Grant, Irving Schneider 1947-7-10 13326 Modoc Dorris Reservoir, 2 miles east of Alturas. Comment
  UC1191394  Amaranthus californicus Verne Grant, Irving Schneider 1947-8-27 8312 Modoc Southwest end of Clear Lake. Comment
  RSA59866  Amelanchier pallida E. K. Balls 1950-5-11 14611 Modoc West of Middle Lake, between Eagleville and Cedarville. 1433 Comment
  POM91701  Amelanchier pumila R. M. Austin 1895-1 457 Modoc Goose Lake Valley Comment
Read comments
Sep 5 2010
  CAS-BOT-BC214629  Amelanchier utahensis Francis Dorris Payne 1929-6-24 22 Modoc Pine Creek above Fitzhugh Springs. 1828 Comment
  CAS-BOT-BC214638  Amelanchier utahensis Alice Eastwood; John Thomas Howell 1940-6-13 8151 Modoc Fandango Pass. Comment
  CAS-BOT-BC217087  Amelanchier utahensis Roxana Stinchfield Ferris; R. Duthie 1919-6-15 138 Modoc Below Modoc Nat. Forest Boundary along Parker Creek. Comment
  CAS-BOT-BC217097  Amelanchier utahensis Elmer Ivan Applegate 1929-6-25 5901 Modoc Cottonwood Creek, E side of Goose Lake. Comment
  UC12079  Amelanchier utahensis Mrs. R. M. Austin and Bruce Jun 1898 2346 Modoc Goose Lake valley; Goose Lake Comment
  UC914261  Amelanchier utahensis Verne Grant and Alva Grant 1947-7-8 8006 Modoc Cedar Pass; Warner Mts. Comment
  NY849997  Amelanchier utahensis var. utahensis R. M. Austin 07 1898 2343 Modoc Mt. Bidwell 2438 Comment
  UCD150427  Amphiscirpus nevadensis T. S. 1966-6-17 s.n. Modoc Goose Lake. Comment
  CAS-BOT-BC54157  Amsinckia menziesii John Thomas Howell 1934-6-16 12209 Modoc Parker Creek. 1584 Comment
  CHSC111105  Amsinckia menziesii Lowell Ahart; John Dittes 2012-7-12 18371 Modoc North edge of Ash creek, south of the gravel pit, about 1/8 mile east of the parking area on the ease 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
  JEPS127306  Amsinckia menziesii Lowell Ahart, John Dittes 2016-7-14 21159 Modoc South of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin Big Valley. Comment
  CAS-BOT-BC54167  Amsinckia tessellata var. tessellata Elmer Ivan Applegate 1897-5-31 883 Modoc Bloody Point, Tule Lake. Comment
  UC134195  Anaphalis margaritacea Mrs. R. M. Austin 1894-8-1 90 Modoc springs at Sugar Loaf Hills Comment
  JEPS30614  Antennaria argentea Peter H. Raven and Otto T. Solbrig 1958-6-18 13310 Modoc Cottonwood Flat Camp Ground; Modoc National Forest Comment
  UC71850  Antennaria argentea Mrs. M. H. Manning 1903-9-3 374 Modoc (north-eastern Modoc County) John Henry Hill Comment
  CAS-BOT-BC15577  Antennaria dimorpha Bruce Bartholomew; Barrett Anderson 1989-4-29 4678 Modoc 9-11 km E of Fort Bidwell on road to Fee Reservoir, NE corner of Surprise Valley. 1580 Comment
  CAS-BOT-BC59211  Antennaria dimorpha John Thomas Howell 1934-6-14 12136 Modoc Near Lost Lake, Warner Mts. 2438 Comment
  JEPS5979  Antennaria dimorpha Frances D. Payne 1932-6-26 603 Modoc s and e of, (high ridges n of Parker Creek) Alturas; Warner Mountains, Parker Creek 1828 Comment
  CAS-BOT-BC15588  Antennaria geyeri John Thomas Howell 1934-6-30 12255 Modoc Duncan Horse Camp. 1355 Comment
  JEPS14940  Antennaria geyeri L. S. Smith 1924-1-1 1407 Modoc Comment
  CAS-BOT-BC15551  Antennaria luzuloides Bruce Bartholomew; Mona Bourell 1990-4-27 5179 Modoc Vicinity of Lower Cummings Reservoir, 5 km NW of Hwy 299 on Crowder Flat Rd. 1540 Comment
  CAS-BOT-BC15553  Antennaria luzuloides John Thomas Howell 1934-6-12 11992 Modoc 6 mi. S of Davis Creek. Comment
  HSC26517  Antennaria luzuloides J. P. Smith, J. O. Sawyer 1972-5-6 5246 Modoc County Rd. 86, just E of Adin. 1098 Comment
  RSA0049629  Antennaria luzuloides subsp. aberrans Dean Wm. Taylor 2012-6-5 21218 Modoc Vicinity Crank Spring (11 air miles North of Lookout) 1365 Comment
  CHSC117048  Antennaria luzuloides subsp. luzuloides Lowell Ahart; John Dittes 2016-6-6 20949 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
  CHSC66984  Antennaria luzuloides subsp. luzuloides James D. Jokerst 1987-5-11 2836 Modoc Radar Survey site S of Doublehead Mtn., S of Clear Lake Reservoir, W of dry lake, ca. 0.33 mi to end of dirt road, then ca. 200 ft. N. 1353 Comment
  POM229952  Antennaria rosea L. C. Wheeler 1935-8-8 3808 Modoc Warner Mountains: N Fork Bidwell Creek. 2378 Comment
  UCR57491  Anthemis R. D. Goeden, Don W. Ricker 1989-8-23 890823- 24 Modoc Davis Creek, south of Goose Lake & west of Hwy 395, beside Westside Road 1441 Comment
  HSC65544  Anthemis cotula Thomas Wood 1979-8-8 205 Modoc 1 mi. S of Ft. Bidwell, along Hwy. 1, corner house where road turns W 1372 Comment
  CAS-BOT-BC242414  Apera interrupta Peter Hamilton Raven; Otto Thomas Solbrig 1958-6-17 13307 Modoc Along Hwy 299, 2.6 mi. W of Alturas. Comment
  JEPS114837  Apera interrupta Lowell Ahart, John Dittes 2008-6-21 14995 Modoc On damp soil, along the edge of the dying pond, north of the large culvert, east side of the large levee, mountain meadow, in Big Valley, about 2.8 miles (air) north of the Headquarters at Ash Creek State Wildlife Area, about 5.4 miles (air) northeast of 1255 Comment
  CHSC31499  Aphyllon purpureum N. E. H. Prouty 1980-8-6 212 Modoc Modoc Nat. Forest. Meadow on southern bank of North Fork Pine Creek. 1524 Comment
  CAS-BOT-BC15694  Apocynum androsaemifolium Bruce Bartholomew; Barrett Anderson 1988-7-21 4410 Modoc Whitehorse Mts., 11 km N of Day on the road to Whitehorse Flat Reservoir. 1340 Comment
  JEPS49790  Apocynum androsaemifolium Frances D. Payne 1932-7-25 750 Modoc s. and e. Alturas (Parker Creek canyon); Warner Mts., Parker Creek canyon 1584 Comment
  UC748273  Apocynum androsaemifolium Annie M. Alexander and Louise Kellogg 1946-7-17 4997 Modoc e. slope Warner Mts., Cedar Pass e. slope Warner Mts., Cedar Pass (w. slope as well) Comment
  CAS-BOT-BC218348  Aquilegia formosa var. formosa Bruce Bartholomew; Barrett Anderson 1988-7-21 4440 Modoc Above Upper Rush Creek Campground ca. 4 km E of State Highway 299 between Adin and Canby. 1580 Comment
  HSC18038  Aquilegia formosa var. formosa M. T. Milligan 1964-7-4 217 Modoc Lassen Creek above lower campground 1829 Comment
  JEPS54274  Arabidopsis thaliana Frances D. Payne 1930-3-29 347 Modoc s and e of Alturas (Parker Creek, Warner Mountains); Warner Mountains, Parker Creek 1584 Comment
  NY114572  Arabis holboellii var. pendulocarpa R. C. Rollins 1981-6-1 81194 Modoc Warner Mtns., ca. 2 miles N of summit of road between Lake City and U.S. Hwy. 395 Comment
  HSC81058  Arabis lyallii G. M. Riegel 1980-8-21 1096 Modoc S Warner Mtns. 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
  NY119624  Arabis sparsiflora var. subvillosa R. C. Rollins 1981-6-1 81193 Modoc Warner Mtns., ca. 1 mile N of summit, Lake City to U.S. 395 Comment
  CAS-BOT-BC95652  Arctostaphylos patula Louis Cutter Wheeler 1935-9-16 3987 Modoc Everly Reservoir, Devil's Garden. 1524 Comment
  RSA520453  Arctostaphylos patula Bruce Bartholomew, B. Anderson, Bartholomew 1989-4-27 4613 Modoc 2.1 km SSE of Day on road to State Highway 299. 1020 Comment
  UC748052  Arenaria aculeata Annie M. Alexander and Louise Kellogg 1946-7-23 5053 Modoc Warner Mountains, Emerson Peak Comment
  CAS-BOT-BC242411  Aristida oligantha Louis Cutter Wheeler 1935-9-6 3959 Modoc Fletcher Creek. 1524 Comment
  HSC4702  Arnica chamissonis M. T. Milligan 1966-7-3 543 Modoc E of Jess Valley 1982 Comment
  UC1776706  Arnica chamissonis G. Schoolcraft 1996-7-22 2539 Modoc Meadow east of Yankee Jim Ranch (SE of Alturas) Comment
Read comments
Feb 27 2007
  CAS-BOT-BC15402  Arnica cordifolia John H. Hatton 1911-6-13 65 Modoc Rush Creek Canyon. 1280 Comment
  SEINET6775021 Image available Arnica cordifolia A. M. Alexander, L. Kellogg 1946-6-5 4668 Modoc Emerson Creek, south of Eagleville, Warner Mountains 1981 Comment
  CAS-BOT-BC15422  Arnica discoidea Bruce Bartholomew; Barrett Anderson 1988-7-21 4415 Modoc Whitehorse Mts., 11 km N of Day on the road to Whitehorse Flat Reservoir. 1340 Comment
  CAS-BOT-BC15279  Arnica longifolia Amos Arthur Heller 1941-6-26 16226 Modoc Adin Pass. 1577 Comment
  HSC81149  Arnica longifolia G. M. Riegel 1980-8-7 1011 Modoc S Warner Mtns. 2100 Comment
  HSC81049  Arnica mollis G. M. Riegel 1980-8-25 1108 Modoc S Warner Mountains 1670 Comment
  SEINET6775094 Image available Arnica mollis D. A. Charlet 1989-8-14 476 Modoc Warner Mountains, 1.4 km northwest of Eagle Peak, at spring 2550 Comment
  UC29591  Arnica mollis Mrs. R. M. Austin and Bruce 1898-7-1 2183 Modoc head of Davis Creek Comment
  CAS-BOT-BC82765  Arnica mollis Frances Payne 1929-7-12 99 Modoc Upper Silver Creek, Warner Mts. 2499 Comment
  CAS-BOT-BC15294  Arnica nevadensis Robert Patterson; Mona Bourell 1993-8-14 5217 Modoc Patterson Lake. South Warner Wilderness Area. Warner Mountains. 2743 Comment
  JEPS35897  Arnica nevadensis Frances D. Payne 1929-7-26 133 Modoc Warren Peak Warner Mountains, Warren Peak 2743 Comment
  CHSC113084  Arrhenatherum elatius Lowell Ahart; John Dittes 2013-7-24 18936 Modoc South bank of Ash Creek Canal, south of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. 1268 Comment
  JEPS120119  Arrhenatherum elatius Lowell Ahart, John Dittes 2012-7-10 18309 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. Comment
  POM228877  Artemisia cana L. C. Wheeler 1935-8-30 3931 Modoc Devil's Garden: Lakeshore Reservoir. 1524 Comment
  SEINET8368663  Artemisia cana Richard R. Halse 2006-8-4 6995 Modoc Modoc National Forest, Patterson Station Campground, ca. 15 air miles east of Likely, south end of the Warner Mountains. 2109 Comment
  CHSC67335  Artemisia cana subsp. bolanderi J. D. Jokerst 1986-9-18 2768 Modoc Radar Site Survey S of Doublehead Mtn. Ca. 1.5 mi S of Doublehead Mtn. 1386 Comment
  UC75823  Artemisia douglasiana Milo S. Baker Modoc Forestdale Comment
  CAS-BOT-BC15255  Artemisia ludoviciana subsp. incompta Kenton L. Chambers; Ronald J. Tyrl 1965-9-22 2432 Modoc Cedar Pass. 1920 Comment
  CAS-BOT-BC15256  Artemisia ludoviciana subsp. incompta Francis Dorris Payne 1934-8-29 s.n. Modoc Parker Creek. 1584 Comment
  SEINET212885  Artemisia ludoviciana subsp. incompta K. L. Chambers, Ron Tyrl 1965-9-22 2432 Modoc Cedar Pass, Warner Mountains 1920 Comment
  UC932084  Artemisia ludoviciana subsp. incompta Verne Grant and Alva Grant 1947-7-8 8005 Modoc Cedar Pass Warner Mountains, Cedar Pass Comment
  CAS-BOT-BC15266  Artemisia ludoviciana subsp. ludoviciana Louis Cutter Wheeler 1935-8-14 3848 Modoc Lily Lake. 2072 Comment
  CAS-BOT-BC15270  Artemisia ludoviciana subsp. ludoviciana Kenton L. Chambers 1965-9-22 2433 Modoc Cedar Pass, in the Warner Mts. 1920 Comment
  UC71701  Artemisia ludoviciana subsp. ludoviciana Mrs. M. H. Manning 1902-10-4 21 Modoc Mt. Bidwell Comment
  SD96119  Artemisia nova Jack L. Reveal 1976-6-2 1841 Modoc 10 miles north of Canby. Comment
  CAS-BOT-BC15214  Artemisia tridentata subsp. tridentata Roxana S. Ferris; Laura Lorraine 1941-8-13 10563 Modoc Patterson Ranger Station (East Creek drainage), Modoc National Forest, Warner Mountains 2164 Comment
  SEINET3397750  Artemisia tridentata subsp. tridentata Unknown 1994-1 s.n. Modoc 1 mi. S. of Alturas Comment
  CAS-BOT-BC15655  Asclepias cordifolia E. S. Willits 1940-6-9 330 Modoc Fandango Pass. Comment
  CAS-BOT-BC15700  Asclepias cordifolia Harry Dwight Dillon Ripley; Rupert Charles Barneby 1944-6-1 6032 Modoc Above Cedarville. 1493 Comment
  CAS-BOT-BC15665  Asclepias speciosa Bruce Bartholomew 1994-7-4 6847 Modoc Hubert Creek. 1390 Comment
  CAS-BOT-BC15666  Asclepias speciosa Bruce Bartholomew 1990-6-17 5285 Modoc Surprise Valley, SW side of Lower Alkali Lake, 1.8 km N of Lassen County border. 1370 Comment
  SEINET10946900  Asclepias speciosa Bruce M. Bartholomew 1990-6-17 Bartholomew 5285 Modoc Surprise Valley, SW side of Lower Alkali Lake, 1.8 km N of Lassen Co. border 1370 Comment
  CDA26650  Astragalus curvicarpus T. C. Fuller 1965-6-3 13605 Modoc West side of Highway 395 to Alturas, 6.5 miles north of Likely. 0 Comment
  RSA111042  Astragalus curvicarpus H. D. Ripley, R. C. Barneby, F. C. Ripley Jr. 1949-6-1 6033 Modoc Foothills of Warner Mts. W of C edarville. Alt. 4900 ft. Comment
  CAS-BOT-BC218211  Astragalus curvicarpus var. curvicarpus James D. Jokerst 1983-7-27 1913 Modoc Near Signal Butte. 1340 Comment
  CAS-BOT-BC218214  Astragalus curvicarpus var. curvicarpus E. S. Willits 1940-5-21 285 Modoc Willow Ranch. 1371 Comment
  CAS-BOT-BC218223  Astragalus curvicarpus var. curvicarpus James D. Jokerst 1983-5-31 1813 Modoc Near Signal Butte. 1340 Comment
  NY803533  Astragalus curvicarpus var. curvicarpus A. J. Cronquist 1959-6-21 8530 Modoc Sagebrush slopes on the east side of the Warner Mountains below Fandango Pass 1524 Comment
  SEINET7716425  Astragalus cyrtoides Unknown Modoc Green Lake Valley Comment
  HSC7242  Astragalus filipes R. C. Wunner 1965-6-13 160 Modoc Lava Beds National Monument, Gillems Camp near old dump. 1220 Comment
  JEPS54662  Astragalus filipes L. S. Smith 1918-1 Modoc Warner Mts. Comment
  JEPS65672  Astragalus filipes Frances D. Payne 1932-6-22 580 Modoc s and e Alturas (Parker Creek); Warner Mountains, , s and e of Alturas 1584 Comment
  UCD150428  Astragalus filipes Harry A. George 1966-6-2 s.n. Modoc Davis Creek, Lakeside Ranch. 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
  CHSC85189  Astragalus lemmonii John Dittes; Josephine Guardino 1991-7-21 388 Modoc Modoc Plateau; Big Valley; Ash Creek Wildlife Area; ca. 7.7 air-miles northeast of Bieber, ca. 4.0 air-miles west by southwest of Adin, ca. 5.0 air-mile east by southeast of Pilot Butte summit, ca. 0.6 mile east of Walters Road and Owl Barn; meadow at southern edge of Ash Creek Floodplain. 1271 Comment
  UC13402  Astragalus lentiginosus var. lentiginosus Milo S. Baker 1893-6-2 Modoc Comment
  UC397292  Astragalus malacus Mrs. M. H. Manning May 1907 Modoc Warner Range Comment
  CAS-BOT-BC182050  Astragalus obscurus Bruce Bartholomew 1993-6-14 6663 Modoc 8.7 km E of County Road 114 on County Road 108, NW of Clear Lake Reservoir. 1450 Comment
  CAS-BOT-BC182035  Astragalus purshii Bruce Bartholomew; Barrett Anderson 1989-4-29 4683 Modoc 9-11 km E of Fort Bidwell on road to Fee Reservoir, NE corner of Surprise Valley. 1580 Comment
  CAS-BOT-BC182036  Astragalus purshii Leland S. Smith 1919-5-3 1084 Modoc Plateau, road to Jess Valley. 1524 Comment
  JEPS3943  Astragalus purshii N. T. Mirov 1929-5-30 Modoc Buck Creek Ranger Station e Goose Lake (Buck Creek Ranger Station, Warner Mountains); Warner Mountains, e of Goose Lake 1584 Comment
  UCD105210  Astragalus purshii B. L. Kay 1955-6-17 s.n. Modoc 2 miles northwest of Likely. Comment
  HSC14532  Astragalus purshii var. lagopinus M. T. Milligan 1966-6-19 468 Modoc Plateau W of Jess Valley 1829 Comment
  RSA245250  Astragalus purshii var. lagopinus M. T. Milligan 1966-6-19 468 Modoc Eroded volcanic plateau west of Jess Valley. 1829 Comment
  CHSC67107  Astragalus purshii var. tinctus James D. Jokerst 1987-5-12 2849 Modoc Radar Survey Site S of Doublehead Mtn., N end of central sector, NE of road. Comment
  POM45523  Astragalus purshii var. tinctus R. M. Austin 1895-05 s.n. Modoc Goose Lake Valley. Comment
  RSA415669  Astragalus purshii var. tinctus Christopher Davidson 1975-6-4 2608 Modoc 1/4 mi. W of Cedarville on Hwy 299. 1463 Comment
  UC13373  Astragalus whitneyi Mrs. R. M. Austin 1894-1 Modoc low hills around Goose Lake Goose Lake (Northern California) 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-BC182015  Astragalus whitneyi var. lenophyllus Clare Butterworth Hardham 1961-6-18 7559 Modoc E side Cedar Pass. 1828 Comment
  CAS-BOT-BC182016  Astragalus whitneyi var. lenophyllus Annie Montague Alexander; L. Kellogg 1946-7-23 5043 Modoc Emerson Peak, Warner Mts. Comment
  SEINET948800  Astragalus whitneyi var. siskiyouensis Ira L. Wiggins, Dorothy B. Wiggins 1961-1 16525 Modoc Yellow Pine Forest 6.4 mi W of Canby Comment
  UCD105500  Astragalus whitneyi var. sonneanus Alan A. Beetle 1941-6-29 2835 Modoc Near summit of Mount Adin. Comment
  CAS-BOT-BC30207  Athyrium alpestre var. americanum Bruce Bartholomew 1992-8-8 6373 Modoc Vicinity of Patterson Lake, E side of Warner Mountains. 2750 Comment
  CHSC117879  Athysanus pusillus L. P. Janeway 2016-5-16 11980 Modoc Modoc Plateau. Devils Garden area; along Road 47N07 1.8 road-km south of Road 181/73/47N09. 1573 Comment
  UCR64884  Atriplex rosea George K. Helmkamp 1990-9-23 H- 7 Modoc Warner Mtns, Goose Lake, within 0.1 mi of the Oregon border 1476 Comment
  CAS-BOT-BC95510  Atriplex truncata Louis Cutter Wheeler 1935-9-4 3941 Modoc McGinty Point, Goose Lake. 1463 Comment
  RSA639346  Azolla filiculoides Louis Cutter Wheeler 1935-9-29 4013 Modoc Two miles south of Alturas 1357 Comment
  CAS-BOT-BC15144  Balsamorhiza X terebinthacea Bruce Bartholomew; Barrett Anderson 1988-5-14 4195 Modoc 1.3 km S of turn off to Crowder Flats West Side Road, W side of Goose Lake. 1410 Comment
  CHSC67160  Balsamorhiza hookeri James D. Jokerst 1994-5-20 4062 Modoc Near Hog Reservoir N of Canby, N of Hwy. 139, N of railroad, E of gravel road to Hog Lake. Comment
  JEPS128417  Balsamorhiza hookeri Jennifer Mueller 2017-7-21 CA 320 -194 Modoc South Likely Tablelands above Little Juniper Reservoir. Comment
  SEINET10958200  Balsamorhiza hookeri LeRoy E. Detling 1948-5-24 Detling 6254 Modoc N. Fork Pit River. 1463 Comment
  RSA488039  Balsamorhiza hookeri var. lagocephala Bruce Bartholomew, B. Anderson 1988-5-12 4130 Modoc 13 km NNE of Adin on State Highway 229 at turnoff to Higgins Flat on USFS road 41N11. 1440 Comment
  CHSC85105  Balsamorhiza macrolepis var. platylepis John Dittes; Josephine Guardino 1991-7-21 411 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-BC15127  Balsamorhiza sagittata Leland S. Smith 1919-6-2 1106 Modoc Deep Creek Ranger Station, Modoc National Forest 1524 Comment
  CAS-BOT-BC15131  Balsamorhiza sagittata Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-15 16502 Modoc 22 mi. W of Canby along Hwy 139. Comment
  CAS-BOT-BC15133  Balsamorhiza sagittata Edward Kent Balls 1950-5-10 15966 Modoc 0.5 mi. E past fork of Hwy 395 and road to Alturas. 1584 Comment
  CAS-BOT-BC15198  Balsamorhiza sagittata R. M. Austin 1898-6-1 2161 Modoc Goose Lake Valley Comment
  CAS-BOT-BC15199  Balsamorhiza sagittata Lindsay Stuart Smith; E. H. Steffen 1917-6-2 29 Modoc Jess Valley, Modoc National Forest 1524 Comment
  JEPS118474  Barbarea orthoceras Lowell Ahart, John Dittes 2011-6-21 17518 Modoc About 130 yards west of the fence, south edge of the meadow, Ash Creek State Wildlife Area, about 2,300 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley 1267 Comment
  RSA0059626  Barbarea orthoceras Lowell Ahart, John Dittes 2011-6-21 17518 Modoc about 130 yards west of the fence, south edge of the meadow, Ash Creek State Wildlife Area, about 2,300 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  UC922246  Barbarea orthoceras Annie Alexander and Louise Kellogg 1946-7-12 4988 Modoc Twelve Mile Creek, northeast corner of county Comment
  RSA554804  Barbarea vulgaris Margaret J. Williams, Thad Holcomb, Betty Holcomb, Lois Saxton 1988-5-28 88- 21 -1 Modoc Crowder Flat road, W of Alturas. Road leads to Devil s Garden and Big Sage Reservoir and is near Hwy 299. 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
  CHSC85175  Beckmannia syzigachne John Dittes; Josephine Guardino 1991-7-21 439 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
  JEPS119964  Beckmannia syzigachne Lowell Ahart, John Dittes 2012-7-10 18310 Modoc Ash Creek State Wildlife Area, about 3.2 miles (air) west of Adin, about 8.4 miles (air) northeast of Bieber, Big Valley. Comment
  CAS-BOT-BC54185  Berberis aquifolium var. repens Elmer Ivan Applegate 1932-8-6 8211 Modoc Just above Lily Lake, Bidwell Pass. Comment
  CAS-BOT-BC54186  Berberis aquifolium var. repens Bruce Bartholomew; Barrett Anderson 1989-6-1 4773 Modoc South Fork Davis Creek in the vicinity of the Plum Valley camp ground. 1720 Comment
  CAS-BOT-BC54225  Berberis aquifolium var. repens Elmer Ivan Applegate 1932-8-7 8229 Modoc Lily Lake, Bidwell Pass, Warner Mts. Comment
  HSC29982  Berberis aquifolium var. repens D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19457 Modoc Upper Rush Creek Campground, about 8 mi. N of Adin on Hwy. 299 Comment
  CAS-BOT-BC21488  Berula erecta Bruce Bartholomew 1989-8-10 5031 Modoc Little Hot Spring Valley, 3.2 km NW of Day. 1070 Comment
  CAS-BOT-BC54192  Betula occidentalis Bruce Bartholomew; M. Gilbert; L. Skog 1993-5-10 6468 Modoc Along Emerson Creek below Emerson Campground, E side of Warner Mountains. 1600 Comment
  UC615021  Betula occidentalis Beryl O. Schreiber 1934-6-11 1178 Modoc along creek <on> road to Patterson Mill Ranger Station; Warner Mountains, east Silver Creek Comment
  UC711814  Betula occidentalis Roxana S. Ferris and Laura Lorraine 1941-8-14 10600 Modoc on Eagleville rd 8 1/2 mi from Patterson Ranger Station (along stream); Modoc National Forest, Warner Mountains Comment
  CAS-BOT-BC498654  Betula pumila L. S. Smith 1917-7-29 127 Modoc Modoc Forest: Bald Mt. 2346 Comment
  UC1192174  Bidens frondosa Verne Grant and Irving Schneider 1947-7-19 8068 Modoc s of Alturas (Corporation ranch; irrigation ditch s of south loop road) Comment
  CAS-BOT-BC218119  Bistorta bistortoides Bruce Bartholomew 1994-7-3 6837 Modoc Edge of Dismal Swamp, N end of Warner Mountains. 2180 Comment
  CAS-BOT-BC15107  Blepharipappus scaber Bruce Bartholomew; Barrett Anderson 1988-6-23 4222 Modoc 2.1 km SSE of Day on the road to State Highway 299. 1020 Comment
  CAS-BOT-BC15118  Blepharipappus scaber John Thomas Howell 1934-7-1 12322 Modoc Duncan Horse Camp. Comment
  JEPS114489  Blepharipappus scaber Lowell Ahart, John Dittes 2008-8-25 15295 Modoc On the west side of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout 1273 Comment
  CAS-BOT-BC128043  Blepharipappus scaber David D. Keck; J. Clausen 1935-6-24 3725 Modoc 5 mi. S. of Likely 1402 Comment
  CDA19753  Blepharipappus scaber Anon. 1959-7-7 Modoc Modoc Plateau; Graven Reservoir. 0 Comment
  HSC81015  Blepharipappus scaber G. M. Riegel 1980-7-3 819 Modoc South Warner Mountains 2100 Comment
  UC711847  Boechera divaricarpa Roxana S. Ferris and Laura Lorraine 1941-8-13 10516 Modoc Patterson Ranger Station, East Creek drainage Modoc National Forest, Warner Mts., East Creek 2164 Comment
  CAS-BOT-BC13908  Boechera lemmonii Annie M. Alexander; Louise Kellogg 1946-7-30 5095 Modoc Eagle Peak, Warner Mountains. East slope below summit. Comment
  CAS-BOT-BC58289  Boechera lemmonii Elmer Ivan Applegate 1932-8-3 8123 Modoc Summit of Warner Mts. just N of Eagle Peak. Comment
  CAS-BOT-BC95732  Boechera pauciflora Mrs. H. C. Cantelow 1940-6-1 3747 Modoc Cedar Pass, Warner Mts. Comment
  CAS-BOT-BC58565  Boechera platysperma Annie Montague Alexander; L. Kellogg 1946-8-1 5107 Modoc Eagle Peak, Warner Mts. Comment
  CAS-BOT-BC14526  Boechera puberula John Thomas Howell 1934-6-30 12267 A Modoc Duncan Horse Camp. Comment
  SJSU9699  Boechera puberula W. Savage 1979-7-10 1535 Modoc Oregon Rim Unit, Devils Garden District, Modoc National Forest 1645 Comment
  CAS-BOT-BC25381  Boechera retrofracta B. Bartholomew 1992-5-17 6347 Modoc Southwest side of White Horse Mountains, southwest of White Horse Flat Reservoir. 1330 Comment
  CAS-BOT-BC58661  Boechera retrofracta Bruce Bartholomew; Barrett Anderson 1989-6-3 4899 Modoc ca. 8 km WNW of Long Bell Ranger Station. 1350 Comment
  CAS-BOT-BC25700  Boechera sparsiflora Mrs. H. C. Cantelow 1940-6-2 s.n. Modoc 1.7 mile west of Alturas, Klamath Falls Highway on road to Lava Beds National Monument. Comment
  CAS-BOT-BC25708  Boechera sparsiflora C. L. Hitchcock 1940-5-27 6714 Modoc 15 miles northwest of Alturas. 1676 Comment
  CAS-BOT-BC95740  Boechera sparsiflora Elmer Ivan Applegate 1932-8-1 8003 Modoc Mill Creek Meadows region, Warner Mts. Comment
  JEPS53185  Boechera sparsiflora Leland S. Smith 1918-6-22 949 Modoc Pine Creek Modoc Forest 1981 Comment
  CAS-BOT-BC58570  Boechera stricta Bruce Bartholomew; Barrett Anderson 1990-7-20 5515 Modoc Tamarack Flat, E side of Warner Mts. 2150 Comment
  CAS-BOT-BC25894  Boechera subpinnatifida John Thomas Howell 1934-6-12 11989 Modoc 9 miles south of Davis Creek. Comment
  POM312610  Boisduvalia densiflora var. densiflora H. L. Mason, Verne Grant 1947-7-13 13441 Modoc Joseph Creek on Highway 395, north of Davis Creek (east side of Goose Lake) Comment
  RSA323624  Boisduvalia macrantha Arnold Tiehm 1984-6-30 8836 Modoc NW side of Bidwell Mt., 2.2 road miles north of 8 mile creek on the road from Lake Annie. 1845 Comment
  CHSC106188  Bolboschoenus maritimus subsp. paludosus Lowell Ahart; John Dittes 2010-8-31 17135 Modoc Edge of a pond, about 400 yards west of Elkins Lane and the bridge across Ash Creek, Ash Creek State Wildlife Area, 4215 feet north of Lassen County Line, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  CAS-BOT-BC244942  Brodiaea coronaria subsp. coronaria Alice Eastwood; John Thomas Howell 1940-6-14 8232 Modoc 8 mi. NW of Canby. Comment
  UC501614  Brodiaea coronaria subsp. coronaria Frank W. Peirson 1926-6-26 6910 Modoc nw of Canby; Modoc National Forest Comment
  UCD60274  Bromus L. Whitney 1935-7-1 s.n. Modoc Spauldings Butte. Comment
  CAS-BOT-BC242405  Bromus briziformis Roxana Stinchfield Ferris; R. Duthie 1919-6-15 158 Modoc Parker Creek. 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-BC242434  Bromus carinatus var. carinatus Leland S. Smith 1917-7-17 84 Modoc Deep Creek. 2042 Comment
  UC1024967  Bromus carinatus var. carinatus Leo Whitney 1935-7-6 3441 Modoc Pit River near Lookout; Pit River Comment
  CAS-BOT-BC498661  Bromus carinatus var. marginatus I. Tidestrom 1910-6-25 3636 Modoc Modoc National Forest: Sibley Draw Comment
  UCD58626  Bromus hordeaceus Annie M. Alexander; Louise Kellogg 1946-6-18 4792 Modoc Patterson Mill--Silver Creek roads. 1828 Comment
  CHSC100012  Bromus inermis subsp. inermis Lowell Ahart; John Dittes 2008-8-25 15281 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-BC242462  Bromus japonicus Bruce Bartholomew; Barrett Anderson 1988-6-23 4219 Modoc 2.1 km SSE of Day on the road to State Highway 299. 1020 Comment
  UC1024968  Bromus japonicus Leo Whitney 1935-7-6 3440 Modoc Pit River near Lookout; Pit River Comment
  UCD58866  Bromus japonicus L. D. Whitney 1935-8-3 s.n. Modoc Buck Creek. North Warner Mts. Comment
  UC1158680  Bromus suksdorfii Arthur Cronquist, Arthur H. Holmgren 1959-6-19 8494 Modoc 15 mi e of Likely (along Clear Lake, Warner Mountains); Warner Mountains, Clear Lake 1828 Comment
  CAS-BOT-BC242452  Bromus tectorum Roxana Stinchfield Ferris; R. Duthie 1919-6-15 157 Modoc Parker Creek. Comment
  UC1024900  Bromus tectorum Leo Whitney 1935-5-21 3115 Modoc 15 mi nw of Canby (Modoc National Forest, Hackamore); Modoc National Forest, Hackamore 1463 Comment
  RSA273392  Calamagrostis stricta subsp. inexpansa J. P. Smith, J. O. Sawyer 1973-8-9 7276 Modoc Blue Lake, Modoc National Forest. 1829 Comment
  JEPS52603  Calandrinia ciliata Milo S. Baker 1893-7-1 Modoc shore Egg Lake 1371 Comment
  JEPS114833  Callitriche heterophylla var. bolanderi Lowell Ahart, John Dittes 2008-6-21 14983 Modoc In shallow water and stranded on mud, west end of a large culvert, west 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
  UCD123516  Callitriche palustris Herbert L. Mason; Verne Grant 1947-7-12 13428 Modoc south loop west side road, north of Likely. Comment
  UC1101516  Callitriche verna Herbert L. Mason and Verne Grant 1947-7-12 13428 Modoc n of Likely (s loop of w side of road) Comment
  RSA77851  Callitriche verna F. W. Peirson 1926-6-26 6907 Modoc Between Alturas and Canby. Comment
  CAS-BOT-BC30156  Calocedrus decurrens Leland S. Smith 1918-9-1 1059 Modoc Deep Creek Canyon. 1828 Comment
  CAS-BOT-BC85787  Calocedrus decurrens M. B. Kildale 1926-9-11 2768 Modoc Between Malin, Oregon & Alturas 1371 Comment
  NY888169  Calocedrus decurrens R. R. Halse 2006-8-4 6999 Modoc This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  JEPS61773  Calochortus Leland S. Smith 1918-7-10 981 Modoc Mill Creek Comment
  CAS-BOT-BC244937  Calochortus leichtlinii Barrett Anderson 1986-7-10 3205 Modoc West Warner Rd just S of the N Fork of Fitzhugh Creek. 1980 Comment
  CHSC2234  Calochortus leichtlinii 1936-6-27 Modoc Likely. 1371 Comment
  CHSC67722  Calochortus longebarbatus J. D. Jokerst 1983-7-14 1841 Modoc NW of Aden, center of south edge of Township/Range. 150 meters SW of logging road. Comment
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  UC1442619  Calochortus longebarbatus var. longebarbatus Theodore F. Niehaus 1978-6-28 78950 Modoc 12 mi w Canby (0.3 mi s on rd to Cottonwood Campground (USFS); 1.2 mi nw of Craig Spring from junction with Loveness mainline logging road, or 0.5 mi se into Sec. 13) Comment
  UC72480  Calochortus longebarbatus var. longebarbatus Milo S. Baker Modoc Forestdale Comment
  CAS-BOT-BC242146  Calochortus macrocarpus K. Paulson; Robert Paulson 1989-7-18 192 Modoc Parker Creek Rd. 1676 Comment
  RSA78908  Calochortus macrocarpus E. K. Balls, Percy C. Everett 1952-10-10 18149 Modoc Above S. Fk. Public Camp, 8 mi. E. of Likely on road to Jess Valley. 1555 Comment
  SD52081  Calochortus macrocarpus Frank Stephens 1894-7-28 10333 Modoc Goose Lake. Comment
  CAS-BOT-BC217326  Caltha leptosepala Bruce Bartholomew 1991-6-21 5800 Modoc Vicinity of Lily Lake, N end of the Warner Mountains. 2030 Comment
  JEPS60535  Caltha leptosepala Leland S. Smith 1918-6-23 956 Modoc High Grade District Mineral Spring (Mineral Spring); Modoc National Forest, Mineral Spring 2377 Comment
  SEINET3147525  Calycadenia fremontii M. S. Baker 1899-8-16 sn Modoc Little Hot Spring Valley Comment
  UC7766  Calyptridium monospermum Milo S. Baker 1893-6-30 Modoc Egg Lake 1371 Comment
  CAS-BOT-BC197583  Calyptridium umbellatum Leland S. Smith 1920-6-1 1153 Modoc 12-mile Creek. 1981 Comment
  UC7768  Calyptridium umbellatum Milo S. Baker 1893-6-30 Modoc Egg Lake 1371 Comment
  HSC25992  Calystegia occidentalis subsp. occidentalis D. H. Norris, S. Dowty, T. Nelson 1971-6-23 19480 Modoc Upper Rush Creek Campground, about 8 mi. N of Adin on Hwy. 299 Comment
  UC1004347  Camassia quamash subsp. breviflora Leo Whitney 1934-5-13 Modoc Weed Valley, northern Modoc County Weed Valley 1524 Comment
  CHSC107322  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-BC191134  Camissonia andina Bruce Bartholomew 1990-6-18 5378 Modoc Crowder Flat Rd, 0.3 km N of turn off to Big Sage Reservoir. 1480 Comment
  RSA75376  Camissonia andina F. W. Peirson 1926-6-25 6869 Modoc Cedarville Pass, Warner Mountains. Comment
  RSA520429  Camissonia boothii subsp. alyssoides Bruce Bartholomew, B. Anderson 1989-6-2 4812 Modoc SE corder of Upper Alkali Lake, E side of Surprise Valley. 1400 Comment
  CAS-BOT-BC191114  Camissonia claviformis subsp. cruciformis Bruce Bartholomew 1990-6-17 5315 Modoc Surprise Valley, 6.8 km W of Eagleville. 1390 Comment
  NY851235  Camissonia claviformis var. cruciformis B. M. Bartholomew 1991-5-24 5704 Modoc Surprise Valley, 6.6 km east of Eagleville 1390 Comment
  CAS-BOT-BC191106  Camissonia pubens Leland S. Smith 1920-7-13 1197 Modoc Round Valley. 1402 Comment
  CAS-BOT-BC191076  Camissonia tanacetifolia subsp. tanacetifolia M. M. Hanna 1956-6-7 1005 Modoc Junction of Hwy 139 and Glass Mt. Road. Comment
  CAS-BOT-BC191080  Camissonia tanacetifolia subsp. tanacetifolia Mrs. H. C. Cantelow 1940-5-31 4044 Modoc 0.8 mi. E of Canby. Comment
  CAS-BOT-BC248378  Cardamine breweri Louis C. Wheeler 1935-8-15 s.n. Modoc Dismal Swamp 2225 Comment
  NY119871  Cardamine breweri C. L. Hitchcock 1940-5-27 6712 Modoc 15 miles NE of Alturas 1676.4 Comment
  RSA156697  Cardamine breweri Clare B. Hardham 1962-6-18 7568 Modoc Mountains S of Cedar Pass. Comment
  NY119874  Cardamine breweri N. H. Holmgren 1970-6-23 4370 Modoc Warner Mtns., North Fork Deep Creek, 6.5 road miles W of Cedarville cemetary. 2133.6 Comment
  CAS-BOT-BC58467  Cardamine breweri var. breweri Betty J. Hammerly 1941-6-20 33 Modoc Along bank of Clear Lake, S end of Warner Mts. Comment
  UCR34820  Carex J. A. Harpel 1981-8-6 V 3 Modoc Warner Mtns, South Warner Wilderness Area: E end of Patterson Lake, 7 mi NW of Eagleville 2744 Comment
  CHSC109494  Carex abrupta L. P. Janeway; B. Castro 2012-7-26 11007 Modoc Warner Mountains. At Little Lily Lake, 2.4 air km north of Mt. Vida. 2258 Comment
  UC1036070  Carex aquatilis Annie M. Alexander and Louise Kellogg 1946-7-19 5033 Modoc Benton Meadow Warner Mountains, Benton Meadow 2072 Comment
  CAS-BOT-BC242326  Carex aquatilis var. aquatilis Louis Cutter Wheeler 1935-8-16 3871 Modoc Dismal Swamp, Twenty-Mile Creek. 2225 Comment
  UC1100439  Carex atherodes Herbert L. Mason, Verne Grant 1947-7-11 13376 Modoc s Alturas (irrigation ditch near west side road); South Fork of Pit River Comment
  CHSC117018  Carex athrostachya Lowell Ahart 2016-6-6 20964 Modoc About 100 yards east of the Parking Area, about one miles south of the intersection of County Road 87 and Access Road to Pilot Butte Parking Area, 3.8 miles (air) east of Lookout, 7.5 miles (air) west of Adin, Ash Creek State Wildlife Area. 1271 Comment
  UC1586929  Carex densa Juha Pykala and D. H. Norris 1987-5-27 1075 Modoc by a little springy stream that runs to Rush Creek; Modoc National Forest, Upper Rush Creek Campground 1550 Comment
  CAS-BOT-BC245187  Carex douglasii E. H. Steffen 1917-6-9 31 Modoc Jess Valley. 1524 Comment
  HSC48185  Carex douglasii D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19424 Modoc Near Hager Reservoir Comment
  CAS-BOT-BC245140  Carex heteroneura var. epapillosa Annie Montague Alexander; L. Kellogg 1946-7-19 5030 Modoc Brenton Meadow, Warner Mts. 2072 Comment
  UC1036068  Carex hoodii Annie M. Alexander and Louise Kellogg 1946-7-19 5031 Modoc Benton Meadow Warner Mountains 2072 Comment
  HSC7052  Carex integra M. T. Milligan 1964-7-4 215 Modoc Lassen Creek above lower campground 1829 Comment
  JEPS101119  Carex lenticularis var. impressa Dean W. Taylor 1989-8-5 10470 Modoc North Emerson Lake; Warner Mountains; Warner Mountains, North Emerson Lake margin Comment
  HSC7150  Carex microptera M. T. Milligan 1965-6-26 319 Modoc N end Jess Valley. 1616 Comment
  CAS-BOT-BC245163  Carex nebrascensis Annie Montague Alexander; L. Kellogg 1946-6-14 4762 Modoc Patterson Mill Road, branch road to Silver Creek. Comment
  UC1024318  Carex nebrascensis Annie M. Alexander and Louise Kellogg 1946-6-14 4762 Modoc branch to Silver Creek (Patterson Mill Road) 1828 Comment
  UC1100495  Carex nebrascensis Herbert L. Mason, Verne Grant 1947-7-12 13435 Modoc n Likely; Corporation Ranch Headquarters Comment
  UC1536800  Carex nebrascensis Gordon H. True Jr. 1939-6-25 992 Modoc nw Alturas; Boles Meadow Comment
  CAS-BOT-BC242357  Carex pellita Robert Folger Thorne; C. W. Tilforth 1969-9-4 39048 Modoc Along N Fork of Pit River, 11.8 mi. N of Alturas along Hwy 395. 1371 Comment
  CHSC100507  Carex pellita Lowell Ahart; John Dittes 2008-8-26 15355 Modoc On the bottom of Rose Creek, 250 feet southwest of confluence of Rose Creek and Pit River, on the northwest side of unnamed road, 3160 feet east of intersection with County Road 85a, 9.3 miles (air) north-northeast of Lookout. 1276 Comment
  CHSC110984  Carex pellita Lowell Ahart 2012-7-12 18368 Modoc North edge of Ash Creek, south of the gravel pit, about 1/8 mile east of the parking area on the east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Biebder, Big Valley. 1266 Comment
  UC826624  Carex pellita John Thomas Howell 1934-6-16 12207 Modoc Parker Creek Warner Mts. 1584 Comment
  JEPS63585  Carex phaeocephala W. L. Jepson 1918-8-13 7978 Modoc summit of Eagle Peak, Warner Mountains Eagle Peak; Warner Mountains, Eagle Peak 3017 Comment
  HSC97777  Carex praegracilis Juha Pykala, D. H. Norris 1987-5-27 1024 Modoc Modoc National Forest, Rush Creek, between Lower and Upper Rush Creek Campgrounds 1463 Comment
  RSA59876  Carex praegracilis E. K. Balls 1950-5-10 14603 Modoc Below Menlo Baths, west shore Lower Alkali Lake. 1402 Comment
Read comments
Nov 5 2008
  CHSC53657  Carex rossii L. P. Janeway; Gary Benson, Randy Harrison 1984-8-23 1057 A Modoc Near S Fk Pine Cr at border of the South Warner Wilderness. 2072 Comment
  JEPS120116  Carex sheldonii Lowell Ahart, John Dittes 2012-7-10 18306 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. Comment
  SJSU9611  Carex simulata W. Savage 1979-7-6 1388 .5 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  UC1024339  Carex straminiformis Annie M. Alexander and Louise Kellogg 1946-7-23 5048 Modoc near summit Emerson Peak; Warner Mountains 2749 Comment
  HSC47604  Carex subfusca D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19459 Modoc Upper Rush Creek Campground, about 8 mi. N of Adin on Hwy. 299 Comment
  UC1036053  Carex subfusca Annie M. Alexander and Louise Kellogg 1946-6-14 4760 Modoc branch to Silver Creek (Patterson Mill Road) 1828 Comment
  RSA252422  Carex utriculata Robert F. Thorne, C. W. Tilforth 1969-9-5 39157 Modoc Wet mud at margin of Clear Lake. Warner Mountains, Modoc National Forest. 1768 Comment
  UC1537639  Carex utriculata Gordon H. True Jr. 1939-7-21 990 Modoc n Canby; Jack Swamp Comment
  CAS-BOT-BC180129  Castanopsis sempervirens K. Paulson; Robert Paulson 1989-7-2 165 Modoc Happy Camp Lookout. 1850 Comment
  HSC80805  Castilleja applegatei G. M. Riegel 1979-7-2 458 Modoc South Warner Mts. 509 Comment
  CAS-BOT-BC225979  Castilleja applegatei subsp. pinetorum Elmer Ivan Applegate 1929-6-24 5888 Modoc Between Adin and Canby, Pit River Valley. Comment
  CAS-BOT-BC225981  Castilleja applegatei subsp. pinetorum Bruce Bartholomew; Barrett Anderson 1988-5-14 4196 Modoc 0.8 km W of Goose Lake on USFS road 47N09 to Crowder Flats. 1430 Comment
  CAS-BOT-BC225984  Castilleja applegatei subsp. pinetorum Elmer Ivan Applegate 1932-7-9 7578 Modoc North slope of Bidwell Mountain, Warner Mountains Comment
  CAS-BOT-BC225994  Castilleja applegatei subsp. pinetorum John Thomas Howell 1934-7-1 12329 Modoc Duncan Horse Camp. 1355 Comment
  CAS-BOT-BC226001  Castilleja applegatei subsp. pinetorum Bruce Bartholomew 1994-7-2 6780 Modoc 1.8 km SE of Joseph Creek Basin on the W side of the Warner Mountains. 1720 Comment
  CAS-BOT-BC229817  Castilleja applegatei subsp. pinetorum M. M. Hanna 1956-6-7 1008 Modoc Hwy 139 between Canby and Tienesta. Comment
  CAS-BOT-BC229820  Castilleja applegatei subsp. pinetorum C. C. (Mrs.) Bruce 1893-6-1 95 Modoc Davis Creek. Comment
  JEPS26206  Castilleja applegatei subsp. pinetorum John Weiler with Andy P. Nelson 1961-5-28 61227 Modoc Cedar Pass Warner Mts. 1938 Comment
  JEPS29107  Castilleja applegatei subsp. pinetorum Lauramay T. Dempster 1961-6-18 1686 Modoc just s Cedar Pass Comment
  JEPS3898  Castilleja applegatei subsp. pinetorum Annie M. Alexander and Louise Kellogg 1946-6-27 4844 Modoc 2 mi by road from Dismal Swamp (Highgrade, n end of Warner Mountains); Warner Mountains, Highgrade 2377 Comment
  JEPS3900  Castilleja applegatei subsp. pinetorum Annie M. Alexander and Louise Kellogg 1946-7-18 5017 Modoc near Benton Meadow; Warner Mountains 2072 Comment
  JEPS86308  Castilleja applegatei subsp. pinetorum Jack and Betty Guggolz 1988-7-5 982 Modoc Comment
  RSA185375  Castilleja applegatei subsp. pinetorum Clare B. Hardham 1961-6-18 7595 Modoc Warner Mountains, Davis Creek. 2134 Comment
  UC1012495  Castilleja applegatei subsp. pinetorum Francis W. Pennell 1940-6-8 25735 Modoc 8 mi w Canby (Route 299) 1432 Comment
  UC1713291  Castilleja applegatei subsp. pinetorum Mrs. Austin Jun 1894 Modoc Goose Lake Valley Comment
  UC26527  Castilleja applegatei subsp. pinetorum Baker and Nutting 1894-6-13 Modoc near Egg Lake Comment
  JEPS4831  Castilleja arachnoidea Mrs. M. H. Manning 1903-1 361 Modoc near Fort Bidwell (ne Modoc County) Comment
  CHSC117039  Castilleja campestris subsp. campestris Lowell Ahart; John Dittes 2016-6-6 20960 Modoc About 100 yards east of the Parking Area, about one mile south of the intersection of County Road 87 and Access Road to Pilot Butte Parking Area, 3.8 miles (air) east of Lookout, 7.5 miles (air) west of Adin, Ash Creek State Wildlife Area. 1271 Comment
  CAS-BOT-BC226016  Castilleja chromosa Mrs. M. H. Manning 1907-5-1 719 Modoc Warner Range E side. Comment
  CAS-BOT-BC226036  Castilleja lacera Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-13 16463 Modoc 5 mi. W of Fandango Pass, Warner Mountains Comment
  JEPS127309  Castilleja lacera Lowell Ahart, John Dittes 2016-7-14 21180 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
  JEPS27952  Castilleja lacera Frances D. Payne 1932-6-10 632 Modoc Parker Creek, w slope of Warner Mountains Warner Mountains 1584 Comment
  UC199411  Castilleja linariifolia M. F. Gilman 502 Modoc 1676 Comment
  JEPS10874  Castilleja miniata L. S. Smith 1917-7-18 839 Modoc Soldiers Creek Comment
  UC444859  Castilleja miniata Mrs. Austin Jun 1894 302 Modoc Willow Creek Comment
Read comments
Jul 6 2010
  UC26460  Castilleja miniata Mrs. R. M. Austin and Bruce Jul 1898 2242 Modoc Goose Lake mts. 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-BC226060  Castilleja pilosa Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-13 16470 Modoc Roadside 2.4 mi. S of Davis Creek, SE side of Goose Lake. 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
  SJSU11532  Castilleja rubicundula subsp. lithospermoides H. L. Buckalew 1961-6-23 Modoc by Stough Reservoir 1 mi N of Cedar Pass on Alturas-Cedarville Rd 2042 Comment
Read comments
Jun 3 2009
  CAS-BOT-BC226072  Castilleja tenuis Elmer Ivan Applegate 1929-6-24 5894 Modoc Between Alturas and Davis Creek. 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
  CAS-BOT-BC226081  Castilleja tenuis Bruce Bartholomew 1991-6-23 5884 Modoc 7.4 km NE of Crowder Flat Road on road between Dorris Brothers Reservoir and Cow Head Tank. 1520 Comment
  CAS-BOT-BC226084  Castilleja tenuis Bruce Bartholomew; Barrett Anderson 1988-7-22 4513 Modoc SE side of Sunflower Knob, southern end of the Warner Mts.. 2160 Comment
  CHSC109522  Castilleja tenuis L. P. Janeway; B. Castro 2012-7-25 10984 Modoc Warner Mountains. Slope along north side of Dismal Swamp. 2216 Comment
  JEPS76810  Castilleja tenuis Theodore F. Niehaus 1978-6-28 952 Modoc ca 12 mi w Canby (0.3 mi s on road to Craig Springs from junction with Loveness mainline logging road and 0.05 mi into sec. 13) Comment
  SEINET14173654  Castilleja tenuis M. J. Williams 1984-1 84- 78 -1 Modoc E side of the Warner Mountains, 3 miles W of the Cedarville-Gerlach road, near the Granger Canyon road. 2073 Comment
  UC1585989  Castilleja tenuis Barbara Ertter 1988-6-18 7623 Modoc 1 mi s Hwy. 139, s jct. to Lava Beds Natl. Monument e of Tonesta (a few mi n of Agric. Inspection Station, ca 50 air mi sw of Klamath Falls) 1310 Comment
  UC452542  Ceanothus X rugosus Franklin P. Nutting Modoc w side Egg Lake Lava Beds, w side Egg Lake Comment
  CAS-BOT-BC217146  Ceanothus prostratus A. D. Borden 1911-8-9 s.n. Modoc Along S. slope of Shields Creek Comment
  HSC18315  Ceanothus prostratus M. T. Milligan 1964-5-9 32 Modoc 4 mi. N of Hwy. 139 on USFS Rd. 44N15 1524 Comment
  RSA1097  Ceanothus prostratus E. R. Johnson 1928-8-31 1192 Modoc 4 miles W of lookout Comment
  UC190598  Ceanothus prostratus M. F. Gilman 614 Modoc Warner Mts. 2133 Comment
  CAS-BOT-BC217113  Ceanothus prostratus var. prostratus Bruce Bartholomew; Barrett Anderson 1988-5-12 4091 Modoc 4 km NW of White Horse. 1350 Comment
  UC73356  Ceanothus pumilus Milo S. Baker Modoc near Egg Lake; near Egg Lake Comment
  CAS-BOT-BC217121  Ceanothus velutinus Bruce Bartholomew; Barrett Anderson 1988-6-23 4277 Modoc 4.0 km W of Day on County Road 94. 1340 Comment
  UC18452  Ceanothus velutinus Mrs. R. M. Austin and Bruce June 1898 2335 Modoc Mts. Gooselake Comment
  UC931944  Ceanothus velutinus Verne Grant, Alva Grant 1947-7-11 8011 Modoc below Cedar Pass; n-facing slopes of Warner Mts., below Cedar Pass Comment
  UC18456  Ceanothus velutinus Mrs. Bruce 1898-1 Modoc Comment
  UC18457  Ceanothus velutinus Milo S. Baker 1893-7-10 Modoc 1219 Comment
  JEPS119675  Centaurea cyanus Lowell Ahart, John Dittes 2012-7-12 18379 Modoc On the east side of Elkins Lane, about 100 yards north of the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. Comment
  CDA7215  Centaurea diffusa Loring White 1959-8-19 Modoc West of Canby. 0 Comment
  CDA7343  Centaurea squarrosa J. Kelley 1989-7-2 Modoc County Road 54 south of Alturas. 0 Comment
  UC1191678  Centaurium exaltatum Herbert L. Mason 1947-8-15 13553 Modoc e side Goose Lake (on Willow Ranch); Mouth of Crane Creek Comment
  RSA11803  Cercocarpus ledifolius Elmer I. Applegate 1932-8-1 8055 Modoc Warner Mtns, near summit S of Warner Peak. Comment
  RSA0018317  Cercocarpus ledifolius Joan Stewart 2005-6-6 2484 Modoc Stowe Reservoir, Warner Mountains. Comment
  NY848751  Cercocarpus ledifolius var. intermontanus H. C. Stutz 1992-7-28 95664 Modoc 1 mile west of Cedarville Comment
  NY848754  Cercocarpus ledifolius var. intermontanus B. M. Bartholomew 1989-4-29 4691 Modoc Surprise Valley Road, just south of the Oregon border, extreme NE corner of Modoc County 1630 Comment
  SEINET3146201  Chaenactis douglasii L. S. Rose 1940-6-13 40546 Modoc Surprise, NE of Alturas 1372 Comment
  CAS-BOT-BC15072  Chaenactis douglasii var. douglasii Bruce Bartholomew 1990-6-17 5293 Modoc Along Emerson Creek, 2.8 km SW of County Rd 1, E side of Warner Mts. 1600 Comment
  CHSC112509  Chaenactis douglasii var. douglasii L. P. Janeway; B. Castro 2014-6-3 11315 Modoc Great Basin. Top of knoll between the lower end of Long Canyon and the lower end of Poison Springs Canyon, overlooking north end of Surprise Valley. 1567 Comment
  UC30988  Chaenactis douglasii var. douglasii Mrs. R. M. Austin and Bruce 1890-1 1988 Modoc Comment
  CAS-BOT-BC15026  Chaenactis macrantha Bruce Bartholomew 1995-6-2 6937 Modoc 6.4 km E of Eagleville, S end of Surprize Valley. 1380 Comment
  CAS-BOT-BC197526  Chamaebatiaria millefolium Mrs. M. H. Manning s.n. Modoc NW Modoc County. Comment
  CAS-BOT-BC245412  Chamaesaracha nana John Thomas Howell 1934-6-30 12266 Modoc Duncan Horse Camp. 1355 Comment
  UC748043  Chamaesaracha nana Annie M. Alexander and Louise Kellogg 1946-7-24 5065 Modoc Bear Camp Flat Warner Mountains (along trail to Emerson Camp) Comment
  RSA312310  Chamaesyce serpillifolia H. L. Mason, Verne Grant, C. T. Mason 1947-7-10 13325 Modoc Dorris Reservoir, 2 miles east of Alturas. Comment
  CHSC106178  Chamaesyce serpillifolia subsp. serpillifolia Lowell Ahart; John Dittes 2010-8-30 17054 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
  SEINET9443176  Chamaesyce serpyllifolia M. J. Williams 1985-1 85- 66 -2 Modoc Big Sage Reservoir NW of Alturas. 1524 Comment
  CHSC19735  Chamerion angustifolium subsp. circumvagum M. T. Milligan 1966-7-25 569 Modoc Slopes and ridges east of Jess Valley. 1645 Comment
  JEPS59681  Chenopodium album Frances D. Payne 1931-7-4 320 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  CAS-BOT-BC95519  Chenopodium berlandieri Francis Dorris Payne 1932-7-10 695 Modoc Parker Creek. 1584 Comment
  SJSU9593  Chenopodium leptophyllum W. Savage 1979-7-5 1359 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  CAS-BOT-BC95531  Chenopodium pratericola Bruce Bartholomew 1989-7-14 4958 Modoc Survice Gulch ca. 3 km NE of Egg Lake. 1340 Comment
  CAS-BOT-BC95662  Chimaphila menziesii Annie Montague Alexander; L. Kellogg 1946-7-24 5063 Modoc Bear Camp Flat. Comment
  UCSB4702  Chimaphila umbellata Haller, John 1960-7-4 Modoc West of Cave Lake, road between New Pine Creek and Fort Bidwell, Warner Mountains 1981 Comment
  CDA18855  Chorispora tenella R. Breckeridge 1999-6-15 PDR 1151663 Modoc Central Coast Ranges; Along Jones Lane, in the vicinity of Alturas. 1328 Comment
  CAS-BOT-BC197833  Chorizanthe polygonoides var. polygonoides Bruce Bartholomew 1994-7-1 6747 Modoc 7.6 km NW of County Road 91 between Lookout and Lookout Jct. on County road 93. 1280 Comment
  JEPS21429  Chrysothamnus humilis W. L. Jepson 1918-8-7 7881 Modoc Mt. Bidwell 2507 Comment
  CAS-BOT-BC15005  Chrysothamnus nauseosus subsp. albicaulis John Thomas Howell 1934-7-2 12371 Modoc W side of Clear Lake. Comment
  CAS-BOT-BC15006  Chrysothamnus nauseosus subsp. albicaulis Roxana Stinchfield Ferris 1951-9-14 12464 Modoc State line between Adel Oregon and Fort Bidwell. Comment
  CAS-BOT-BC15038  Chrysothamnus nauseosus subsp. albicaulis Belknap C. Goldsmith 1910-7-28 15 Modoc Fandango Creek. 1554 Comment
  CAS-BOT-BC15042  Chrysothamnus nauseosus subsp. albicaulis Elmer Ivan Applegate 1936-9-22 11056 Modoc Gilliam Bluff, Lava Beds National Monument Comment
  RSA67197  Chrysothamnus nauseosus subsp. albicaulis P. A. Munz 1951-9-14 16980 Modoc Jess Valley, Warner Mts. 1616 Comment
  RSA628300  Chrysothamnus parryi subsp. nevadensis L. C. Wheeler 1973-8-26 s.n. Modoc Warner Mountains: 1 1/2 mile north of Sworinger Reservoir. 1767 Comment
  CAS-BOT-BC14993  Chrysothamnus viscidiflorus subsp. viscidiflorus Isabelo T. Kelly 1930-1-1 57 Modoc unspecified Comment
  JEPS31102  Chrysothamnus viscidiflorus subsp. viscidiflorus Ernest C. Twisselmann 1961-9-22 6573 Modoc Warner Mountains, Jess Valley 1676 Comment
  SBBG128255  Chrysothamnus viscidiflorus subsp. viscidiflorus L. Ahart, J. Dittes 2010-8-30 17061 Modoc near the homestead, ca. 100 yards E of the fence, Ash Crk State Wildlife Area, 2300 feet N of Lassen County Line, ca. 3.6 mi W of Adin, ca. 8 mi NE of Bieber, Big Valley 1267 Comment
  UC195496  Chrysothamnus viscidiflorus subsp. viscidiflorus M. F. Gilman 520 Modoc Comment
  CDA38305  Cicuta douglasii G. D. Barbe, John Kelley 1988-7-2 4297 Modoc Modoc National Wildlife Refuge, southeast of Alturas. 0 Comment
  JEPS117499  Cirsium arvense Lowell Ahart, John Dittes 2010-8-31 17105 Modoc About 20 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
  CDA1059  Cirsium arvense Loring White 1959-7-2 s.n. Modoc 1.5 mi. S/ Tulelake. 0 Comment
  CDA1060  Cirsium arvense T. C. Fuller 1959-7-8 2746 -A Modoc Grainfield, 1.5 mi. South of Tulelake. 0 Comment
  CDA34394  Cirsium arvense Anonymous 1987-6-17 Modoc Jones Rd. off US 395, north of Likely. 0 Comment
  SEINET3479126  Cirsium cymosum Unknown 1991-8-27 4444 Modoc Warner Mountains, Warner Mountains 2310 Comment
  JEPS59284  Cirsium cymosum var. cymosum W. L. Jepson 1918-8-7 7888 Modoc Mt. Bidwell 2505 Comment
  CAS-BOT-BC14926  Cirsium douglasii var. breweri Louis Cutter Wheeler 1935-9-10 3966 Modoc McGinty Reservoir, Devil's Garden 1463 Comment
  HSC5389  Cirsium douglasii var. canescens M. T. Milligan 1966-7-25 578 Modoc E of Jess Valley 1646 Comment
  SEINET195907  Cirsium occidentale var. candidissimum Annie M. Alexander 1946-6-18 4803 Modoc Patterson Mill-Silver Creek roads Comment
  UC912665  Cirsium occidentale var. candidissimum F. H. Frost 1925-7-11 16 Modoc 2 mi above Cedarville; Warner Mts., Cedar Canyon Comment
  CDA31791  Cirsium ochrocentrum K. Haas 2007-2-6 PDR# 1402971 Modoc County Rd 1, Cedarville 0 Comment
  CAS-BOT-BC14938  Cirsium scariosum Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10522 Modoc Patterson Ranger Station (East Creek drainage), Modoc National Forest, Warner Mountains 2164 Comment
  CAS-BOT-BC14939  Cirsium scariosum Elmer Ivan Applegate 1932-8-1 8041 Modoc Arid summit of Warner Mts. just S of Warren Peak. Comment
  CAS-BOT-BC14942  Cirsium scariosum K. Paulson; Robert Paulson 1989-7-4 170 Modoc Ca. 1 mi. S of Patterson Ranger Station, S end of Warner Mts. 2121 Comment
  UC748332  Cirsium scariosum var. americanum Annie M. Alexander and Louise Kellogg 1946-6-14 4765 Modoc Silver Creek branch Patterson Mill road 1828 Comment
  CDA20025  Citrullus colocynthis L. Smith 2002-8-21 PDR 1151619 Modoc Modoc Plateau; USFS property in the vicinity of Alturas. 0 Comment
  CAS-BOT-BC191000  Clarkia John H. Hatton 1911-6-2 62 Modoc Modoc County. 1371 Comment
  LA106634  Clarkia gracilis subsp. albicaulis Frances D. Payne; 1929-6-13 6 Modoc Warner Mountains, Parker Creek, S and E of Alturas 1584 Comment
  CAS-BOT-BC191064  Clarkia gracilis subsp. gracilis Frances D. Payne 1932-6-10 640 Modoc Parker Creek 1584 Comment
  CAS-BOT-BC191075  Clarkia gracilis subsp. gracilis John Thomas Howell 1934-6-12 12003 Modoc Davis Creek Comment
  UC930761  Clarkia gracilis subsp. gracilis C. L. Hitchcock 1940-5-28 6729 Modoc 15 mi n Alturas (near Surprise) 1402 Comment
  CAS-BOT-BC191051  Clarkia lassenensis M. M. Hanna 1958-6-22 s.n. Modoc Along road near Canby. Comment
  CAS-BOT-BC191054  Clarkia lassenensis Annie Montague Alexander; L. Kellogg 1946-6-12 4738 Modoc Fandango Pass road. 1706 Comment
  CAS-BOT-BC191061  Clarkia lassenensis Roxana Stinchfield Ferris; R. Duthie 1919-6-14 82 Modoc Above Parker Creek, 1.5 mi. above Modoc National Forest Boundary. Comment
  HSC75592  Clarkia lassenensis G. M. Riegel 1980-7-23 934 Modoc S Warner Mtns. 2100 Comment
  SD133952  Clarkia lassenensis Barbara Ertter 1988-6-18 7622 Modoc Highway 139 circa 50 airmiles southwest of Klamath Falls, a few miles north of Agriculture Inspection Station, 1 mile south of south junction to Lava Beds National Monument east of Tonesta; 1310 Comment
  JEPS43695  Clarkia lassenensis Frances D. Payne 1931-6-21 228 Modoc ridge sw Dry Creek (northern tributary of Parker Creek); Warner Mountains 1981 Comment
  UC146039  Clarkia lassenensis Mrs. M. H. Manning Modoc NE Modoc County Comment
  CAS-BOT-BC191047  Clarkia rhomboidea Leland S. Smith 1917-7-24 129 Modoc Joseph Creek. 1676 Comment
  RSA323621  Clarkia rhomboidea Arnold Tiehm 1984-6-30 8839 Modoc NW side of Bidwell Mt., 2.8 road miles north of 8 mile creek on the road from Lake Annie. 1829 Comment
  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
  UC748121  Claytonia lanceolata Annie M. Alexander and Louise Kellogg 1946-6-15 4773 Modoc Deep Creek 2133 Comment
  CAS-BOT-BC197438  Claytonia megarhiza Annie Montague Alexander; L. Kellogg 1946-7-30 5097 Modoc Eagle Peak, Warner Mts. Comment
  CAS-BOT-BC197440  Claytonia megarhiza Elmer Ivan Applegate 1932-8-3 8125 Modoc Summit of Eagle Peak, Warner Mts. 2743 Comment
  CHSC67127  Claytonia perfoliata James D. Jokerst 1987-5-14 2880 Modoc Radar Survey Site S of doublehead Mtn., S of Clear Lake Reservoir, E and adjacent to SW-NE oriented fence. 1348 Comment
  NY497305  Claytonia perfoliata B. M. Bartholomew 1989-4-29 4667 Modoc West side of Upper Alkali Lake, 7 km south of Fort Bidwell, Surprise Valley 1370 Comment
  UC172251  Claytonia rubra subsp. depressa R. M. Austin 1894-5-1 28 Modoc Sugar Loaf Hill, Rocky Ponts Comment
  CAS-BOT-BC197463  Claytonia rubra subsp. rubra John H. Hatton 1911-6-10 32 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
  CHSC117876  Collinsia parviflora L. P. Janeway 2016-5-17 12025 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
  SBBG27381  Collinsia parviflora C. L. Hitchcock 1940-5-27 6687 Modoc 15 mi NE of Alturas 1615 Comment
  UC1032576  Collinsia parviflora R. C. Wilson 1933-6-11 45 Modoc Modoc National Forest, Rush Creek Rush Creek; Modoc National Forest, Rush Creek 1432 Comment
  HSC20612  Collinsia parviflora M. T. Milligan 1964-6-20 56 Modoc 2 mi. N on Pencil Rd. from Hwy. 395 1372 Comment
  RSA152423  Collinsia parviflora I. L. Wiggins, Dorothy Wiggins 1961-6-12 16430 Modoc Near summit of Cedar Pass, between Alturas and Cedarville. 1921 Comment
  UC26624  Collinsia parviflora M. S. Baker and Frank Nutting 1894-6-4 Modoc Hot Springs Valley Comment
  RSA504854  Collinsia torreyi var. wrightii Bruce Bartholomew, B. Anderson 1988-6-24 4299 Modoc Road beyond Poison Lake, ca. 8 km S of the road from Hwy 395 to Lily Lake, Warner Mountains. 2130 Comment
  SBBG103157  Collomia grandiflora D. H. Wilken with D. M. Smith 1971-7-2 10115 Modoc Adin Pass along St Hwy 299 1576 Comment
  UC1191644  Collomia grandiflora Verne Grant and A. Grant 1947-7-13 8018 Modoc Fandango Pass Warner Mountains Comment
  POM126985  Collomia grandiflora M. French Gilman 568 Modoc [no locality information provided] 1677 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
  CHSC85163  Collomia linearis John Dittes; Josephine Guardino 1991-7-21 397 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
  HSC75907  Collomia tinctoria D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19488 Modoc Big Valley Summit, 6 mi. W of Adin on Hwy. 299 Comment
  CAS-BOT-BC225783  Comandra umbellata subsp. californica Bruce Bartholomew 1993-6-12 6592 Modoc Top of ridge directly above Day Rock. 1380 Comment
  CAS-BOT-BC21480  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-BC95590  Convolvulus arvensis Leland S. Smith 1924-6-6 1378 Modoc On big burn S of Egg Lake. Comment
  UC71711  Convolvulus arvensis Mrs. M. H. Manning July, 1903 44 Modoc Fort Bidwell; ne Modoc Co. Comment
  UC429110  Corallorhiza maculata M. F. Gilman 656 Modoc Mts. 1828 Comment
  UC845200  Corallorhiza maculata Milo S. Baker 1893-7-10 Modoc Comment
  UC4424  Corallorhiza striata Milo S. Baker 1893-6-9 Modoc Comment
  JEPS16279  Cordylanthus capitatus Mrs. R. M. Austin Aug. 1894 246 Modoc hills near Lassen Creek (ne Modoc Co.) Comment
  RSA537678  Cordylanthus capitatus L. R. Heckard, P. Rubtzoff 1971-8-3 2705 Modoc At summit of Old Cannon Mill Road, 3.5 miles north of Cedarville Pass, Warner Mountains. 1982 Comment
  CAS-BOT-BC210267  Cornus sericea Alice Eastwood; John Thomas Howell 1940-6-12 8059 Modoc Between Likely and Jess Valley Comment
  CAS-BOT-BC95599  Cornus sericea John H. Hatton 1911-6-17 119 Modoc unspecified 1219 Comment
  CAS-BOT-BC95600  Cornus sericea Roxana Stinchfield Ferris; R. Duthie 1919-6-14 54 Modoc Parker Creek above the National Forest Boundary. Comment
  HSC100158  Cornus sericea J. P. Smith, & J. O. Sawyer 2011-8-14 13373 Modoc Along Jesse Valley Road, just E of the bridge over the Pit River. 1372 Comment
  JEPS50181  Cornus sericea subsp. sericea W. L. Jepson 1918-8-7 7906 Modoc Mt. Bidwell N. Fork Bidwell Creek, Mt. Bidwell 1828 Comment
  UC634830  Cornus sericea subsp. sericea F. H. Frost 1925-7-20 23 Modoc Warner Mts., Cedar Canyon Camp Comment
  UC21538  Cornus sericea subsp. sericea Milo S. Baker 1893-6-15 Modoc mountain creek 1371 Comment
  CAS-BOT-BC190767  Corydalis aurea C. C. (Mrs.) Bruce 1898-7-1 2206 Modoc Warner Mts. Comment
  JEPS114435  Crataegus castlegarensis Lowell Ahart, John Dittes 2008-8-26 15334 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
  JEPS118463  Crataegus douglasii Lowell Ahart, John Dittes 2011-6-21 17529 Modoc On the north bank of Ash Creek, Ash Creek State Wildlife Area, 4,500 feet south of County Road 87, 2.7 miles (air) west of Adin, 9.1 miles (air) northeast of Bieber Comment
  JEPS45514  Crataegus douglasii L. S. Smith 1917-9-10 156 Modoc Fandango Trail , Fandango Trail (Warner Mts.) 1981 Comment
  CAS-BOT-BC14905  Crepis acuminata R. M. Austin 1884-6-1 Modoc Near Willow Creek. Comment
  UC31287  Crepis acuminata Milo S. Baker 1893-6 Modoc Lava beds Comment
  CAS-BOT-BC14906  Crepis acuminata Amos Arthur Heller 1938-6-24 15220 Modoc unspecified Comment
  JEPS36447  Crepis acuminata Frances D. Payne 1931-6-11 150 Modoc Parker Creek Warner Mts. (n slope) 1584 Comment
  UC895286  Crepis acuminata Lewis S. Rose 1940-6-12 40528 Modoc 9 mi e Likely 1676 Comment
  CAS-BOT-BC14925  Crepis bakeri Bruce Bartholomew; Barrett Anderson 1990-7-20 5479 Modoc 10.3 km N of Buck Creek Ranger Station, crest of Warner Mountains W side of Warner Mts. 2130 Comment
  CHSC118085  Crepis bakeri subsp. bakeri L. P. Janeway 2016-5-17 12012 Modoc Modoc Plateau. Devils Garden area; flat just below (west of) Por-cupine Rim; 0.3 km north of Road 43N18; 4.0 air-km west of Big Sage Reservoir. 1544 Comment
  CAS-BOT-BC14864  Crepis intermedia Bruce Bartholomew 1991-7-5 5951 Modoc Coyote Meadow, near the Oregon border. 1580 Comment
  RSA95139  Crepis intermedia F. W. Peirson 1926-6-25 6873 Modoc Summit of grade, Cedarville Pass, Warner Mountains. Comment
  CAS-BOT-BC14882  Crepis modocensis Alice Eastwood; John Thomas Howell 1940-6-13 8148 Modoc Fandango Pass. Comment
  UC581244  Crepis modocensis E. B. Babcock and G. L. Stebbins Jr. 1936-6-9 1807 Modoc about 3 mi w Cedarville; Warner Mountains, Cedar Creek Canyon Comment
  CAS-BOT-BC291573  Crepis modocensis subsp. modocensis John Thomas Howell 1934-6-14 12144 Modoc Near Lost Lake, Warner Mts. 2438 Comment
  UC31311  Crepis monticola M. S. Baker and Frank Nutting 1894-6-30 Modoc Big Valley Comment
  SEINET7838766 Image available Crepis nana M. Lavin, H. Mozingo 1979-9-8 s.n. Modoc Just W of Leavitt Lake Comment
  JEPS36448  Crepis occidentalis Frances D. Payne 1932-6-10 629 Modoc Parker Creek Warner Mts. 1584 Comment
  UC71786  Crepis occidentalis Mrs. M. H. Manning 187 Modoc near Ft. Bidwell (ne Modoc Co.) Comment
  SJSU9575  Crepis occidentalis W. Savage 1979-7-3 1328 Modoc Triangle, Antelope Plains, Devils Garden District, Modoc National Forest 1493 Comment
  SEINET2142062 Image available Crepis occidentalis subsp. conjuncta Annie M. Alexander, Kellogg, Louise 1946-7-18 5016 Modoc Near Benton Meadow, Warner Mountains 2070 Comment
  CAS-BOT-BC14896  Crepis occidentalis subsp. costata Isabelo T. Kelly 1930-1-1 42 Modoc E slope of Warner Mts., near Ft. Bidwell. Comment
  HSC4706  Crocidium multicaule M. G. Burgoyne 1962-4-12 1001 Modoc 15 mi. W of Cedarville on Cedar Pass Hwy. 1982 Comment
  UCR87515  Crocidium multicaule George K. Helmkamp, E. A. Helmkamp 1983-5-4 s.n. Modoc Along Calif. Hwy 139, 16.1 mi NW of Canby. 1428 Comment
  HSC5461  Crocidium multicaule M. T. Milligan 1964-3-29 Modoc 5 mi. W of Alturas on Centerville Rd. 1372 Comment
  HSC41126  Croton setiger Thomas W. Nelson, Jane P. Nelson, James Nelson 1976-8-29 3264 Modoc Modoc National Forest, along Hwy. 299 Just NE of Adin Pass 1524 Comment
  CHSC77192  Crupina vulgaris G. Schoolcraft 1993-6-17 Modoc Ne of Adin on s. side of Hunter Ridge. 1645 Comment
  SEINET5343801 Image available Crupina vulgaris G. Schoolcraft 1993-6-17 2297 Modoc NE of Adin on S. side of Hunter Ridge 1646 Comment
  CHSC117145  Crypsis alopecuroides Lowell Ahart; John Dittes 2016-7-14 21207 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
  JEPS114658  Crypsis alopecuroides Lowell Ahart, John Dittes 2008-8-25 15289 Modoc Near the waters edge, on the west bank of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-notheast of Lookout 1273 Comment
  RSA647536  Cryptantha Marion P. Harthill 1971-6-23 374 Modoc Fort Bidwell. 1388 Comment
  CAS-BOT-BC54141  Cryptantha circumscissa Bruce Bartholomew 1991-5-24 5703 Modoc Surprise Valley, 6.6 km E of Eagleville. 1390 Comment
  CAS-BOT-BC54143  Cryptantha echinella Herbert Louis Mason; Verne Grant 1947-7-9 13316 Modoc Cedar Pass, summit of Warner Range 1920 Comment
  UC726224  Cryptantha intermedia A. A. Heller 1941-6-26 16213 Modoc 8 mi w Alturas Comment
  CAS-BOT-BC54078  Cryptantha torreyana Alice Eastwood; John Thomas Howell 1940-6-13 8168 Modoc Cedarville. Comment
  UC711886  Cryptantha torreyana Roxana S. Ferris and Laura Lorraine 1941-8-13 10530 Modoc Patterson Ranger Station, East Creek drainage Warner Mts., Modoc National Forest, East Creek 2164 Comment
  CHSC109508  Cryptantha torreyana var. torreyana L. P. Janeway; B. Castro 2012-7-25 10993 Modoc Warner Mountains. Low broad ridge 1.1 km east of Dismal Swamp. 2250 Comment
  NY57978  Cupressus bakeri B. M. Bartholomew 1995-6-1 6914 Modoc Northwest edge of Little Hot Spring Valley, northwest of Day 1080 Comment
  RSA176224  Cupressus bakeri C. O. Stone 1963-12-26 278 Modoc On recent lava flow ca. 1 mile S of Gassaway Reservoir 1110 Comment
  UC1222086  Cupressus bakeri C. O. Stone 1963-12-26 278 Modoc approximately 1.5 mi s Gassaway Reservoir; Quadrangle 16C2 1097 Comment
  UC1348998  Cupressus bakeri C. O. Stone 1963-12-26 276 Modoc 1 mi s Gassaway Reservoir 1109 Comment
  CAS-BOT-BC95628  Cuscuta approximata Goss 1932-10-3 Modoc Modoc County. Comment
  CAS-BOT-BC95629  Cuscuta approximata Goss 1932-10-3 Modoc Modoc County. Comment
  CHSC117142  Cyperus squarrosus Lowell Ahart; John Dittes 2016-7-14 21201 Modoc Strand of a new pond, south of Ash Creek Canal (now filled in), south of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. 1273 Comment
  CAS-BOT-BC30218  Cystopteris fragilis Elmer Ivan Applegate 1932-8-2 8096 Modoc Mill Creek Meadows, west slope Warner Mts. Comment
  HSC31349  Cystopteris fragilis D. H. Norris, T. Nelson, S. Dowty 1971-6-23 19456 Modoc Upper Rush Creek Campground, about 8 mi. N of Adin on Hwy. 299 Comment
  UCR45851  Cystopteris fragilis G. M. Riegel 1980-9-3 1128 Modoc South Warner Mountains 908 Comment
  UCD60284  Dactylis glomerata L. D. Whitney 1945-8-3 s.n. Modoc Buck Creek. Comment
  CAS-BOT-BC245213  Damasonium californicum M. Vasey 1900-6-30 9038 Modoc Pond along dirt road near Curtis Waterhole, NW of Egg Lake. 1300 Comment
  UC1523805  Damasonium californicum Gregg Reigel 1981-7-13 1155 Modoc near Lookout Lookout 1280 Comment
  CAS-BOT-BC242495  Danthonia californica Leland S. Smith 1920-7-13 1178 Modoc Modoc National Forest - Grizzley's 1432 Comment
  JEPS68525  Danthonia californica Leland S. Smith 1918-1 878 Modoc Comment
  CAS-BOT-BC242486  Danthonia unispicata Leo David Whitney 1934-5-18 2173 Modoc Timbered Mt. Comment
  SEINET190962 Image available Danthonia unispicata A. A. Beetle 1941-6-29 2834 Modoc Near summit of Mt. Adin. 1829 Comment
  CAS-BOT-BC49507  Deinandra lobbii Bruce Bartholomew 1990-8-3 5595 Modoc Ash Creek Wildlife Refuge, ca. 2.5 km S of County Road 87 and 7 km W of Adin. 1250 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
  SBBG128752  Deinandra lobbii L. Ahart, J. Dittes 2008-8-25 15328 Modoc vernal pools on E side County Rd 91, 3.9 mi (air) NNE of Lookout 1275 Comment
  CAS-BOT-BC217341  Delphinium andersonii Bruce Bartholomew; Barrett Anderson 1989-6-2 4810 Modoc NE side of Upper Lake, 4 km S of road to Fee Reservoir, NE end of Surprise Valley. 1420 Comment
  CHSC67128  Delphinium andersonii James D. Jokerst 1987-5-11 2827 Modoc Radar Survey Site S of Doublehead Mtn., S of Clear Lake Reservoir. 1363 Comment
  UC585065  Delphinium andersonii E. B. Babcock and G. L. Stebbins Jr. 1936-6-9 1831 Modoc steep n-facing talus slope about 3 mi w Cedarville; Warner Mountains, Cedar Creek Canyon Comment
  HSC27051  Delphinium depauperatum D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19479 Modoc Upper Rush Creek Campground, about 8 mi. N of Adin on Hwy. 299 Comment
  NY487634  Delphinium depauperatum Mrs. C. C. Bruce 2236 Modoc Lake City Canyon Comment
  RSA59653  Delphinium nuttallianum E. K. Balls 1950-5-12 14637 Modoc above Bucks Creek Ranger Station, Modoc National Forest; east of Goose Lake. 1768 Comment
  UCSB17309  Delphinium nuttallianum Haller, John 1961-6-25 Modoc Eagleville-Likely road; 0.5 mi W of crest of Warner Mountains; about 3 mi E of Patterson Ranger Station 2286 Comment
  JEPS73979  Deschampsia danthonioides Frances D. Payne 1932-6-24 650 Modoc s. and e. of Alturas (Parker Creek); Warner Mts., Parker Creek 1584 Comment
  UC1523780  Deschampsia danthonioides Gary Schoolcraft 1981-6-10 594 Modoc near Loveness Pond n. of Canby 1508 Comment
  UCD62860  Deschampsia danthonioides Charlotte Glenn 1967-6-18 106 Modoc Modoc National Forest, near Egg Lake, ca. 16 miles north of Bieber. 1310 Comment
  UC1553389  Deschampsia elongata Sch/Yor/Hor/Ach 1988-7-16 1828 Modoc ca. 1 mi. s.e. Pepperdine Camp; Warner Mts. 2316 Comment
  CAS-BOT-BC58624  Descurainia incisa Bruce Bartholomew 1994-7-2 6789 Modoc 8.9 km SE of Joseph Creek Basin on the W side of the Warner Mountains. 2120 Comment
  CAS-BOT-BC58443  Descurainia sophia E. S. Willits 1940-4-21 186 Modoc Near Stronghold, western Modoc Co. Comment
  CAS-BOT-BC58441  Descurainia sophia Isabelo T. Kelly 1930-1-1 29 Modoc Modoc County. Comment
  CAS-BOT-BC248357  Dicentra uniflora B. Bartholomew; H. Sun 2002-6-24 8840 Modoc Ca. 1 km NW of Bald Mt., E side of the Warner Mountains 2290 Comment
  NY500203  Dicentra uniflora B. M. Bartholomew 1988-5-13 4158 Modoc 4 km northwest of Pepperdine, gentle west-facing slope near top of the Warner Mountains 1760 Comment
  UC1133888  Dichelostemma capitatum R. C. Wilson 1933-6-7 42 Modoc Pothole Gulch Modoc National Forest, Canby Quad. 1310 Comment
  JEPS79132  Dichelostemma multiflorum L. R. Heckard with R. Bacigalupi 1980-6-10 5234 Modoc about 10 mi nw Lookout (along the Great Northern Railroad grade); Great Northern Railroad Grade Comment
  SEINET7839014 Image available Dieteria canescens Mrs. M. H. Maning 1904-1 s.n. Modoc Alturas, North-eastern Modoc County Comment
  UC296074  Dieteria canescens var. shastensis E. B. Babcock and J. L. Collins 1926-7-20 85 Modoc about 10 mi s Alturas Comment
  UC73890  Dieteria canescens var. shastensis Milo S. Baker 1893-6 Modoc Comment
  UCR267416  Dimeresia howellii Jim Andre, Glenn L. Clifton 1993-6-12 29991 Modoc Warner Mountains, c. 3 mi west of Cedarville, along Cedar creek and Hwy 299, Modoc National Forest 1588 Comment
  CAS-BOT-BC234452  Diplacus nanus M. M. Hanna 1956-6-7 s.n. Modoc Junction Highway 139 and Glass Mt. Road. Comment
  CAS-BOT-BC234486  Diplacus nanus Mrs. H. C. Cantelow 1941-5-23 s.n. Modoc 2 mi W of Adin Pass Summit, Hwy 299. Comment
  CAS-BOT-BC234495  Diplacus nanus Clare Butterworth Hardham 1961-6-19 7841 Modoc Willow Creek. 1524 Comment
  CAS-BOT-BC234485  Diplacus nanus Mrs. H. C. Cantelow 1940-6-2 4417 Modoc Rd to Lava Beds. W of Alturas. Comment
  OBI49257  Diplacus nanus Lewis S. Rose 1940-6-15 40588 Modoc Perez 1311 Comment
  CAS-BOT-BC247763  Distichlis spicata Bruce Bartholomew 1989-8-11 5059 Modoc Along W side of Goose Lake, 3.5 km S of the Oregon border on National Forest Road 48. 1430 Comment
  UCD64197  Distichlis spicata A. A. Beetle 1944-8-16 3059 Modoc 3 miles west of Alturas, border of Pitt River. Comment
  CAS-BOT-BC218295  Dodecatheon alpinum Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-14 16483 Modoc 6.4 mi. S of Lassen Creek campground along road to Buck Mt. Comment
  UC711853  Dodecatheon alpinum Roxana S. Ferris and Laura Lorraine 1941-8-13 10524 Modoc East Creek drainage Warner Mountains, Modoc National Forest, East Creek drng (Patterson Ranger Station, Modoc National Forest) 2164 Comment
  SEINET8552726  Dodecatheon alpinum M. J. Williams 1984-6-29 84- 71 -4 Modoc W side of Warner Mountains, Lily Lake. 2073 Comment
  HSC17888  Dodecatheon conjugens M. T. Milligan 1964-5-9 34 Modoc 4 mi. N of Hwy. 139 on USFS Rd. 44N15 1524 Comment
  SD46622  Dodecatheon conjugens Robert J. Weatherby 1955-7-7 1600 Modoc Dismal Swamp, no. Warner Mts. 2240 Comment
  UC444832  Dodecatheon conjugens Milo S. Baker 1893-1 Modoc Forestdale 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
  RSA59365  Dodecatheon conjugens E. K. Balls 1950-5-11 14628 Modoc 8.1 miles NE of Fort Bidwell, above Cow Head Lake, along 8-mile Creek. 1463 Comment
  CAS-BOT-BC218285  Dodecatheon conjugens var. conjugens Bruce Bartholomew; Mona Bourell 1990-4-27 5191 Modoc 1.1 km E of the Modoc National Forest boundary on Parker Creek Road. 1660 Comment
  CAS-BOT-BC218286  Dodecatheon conjugens var. conjugens K. Paulson; Robert Paulson 1989-5-21 117 Modoc Crowder Flat Road, Devil's Garden. 1341 Comment
  CAS-BOT-BC95124  Downingia bacigalupii Bruce Bartholomew 1991-7-4 5896 Modoc S end of Higgins Flat. 1370 Comment
  UC102235  Downingia bacigalupii Mrs. R. M. Austin Jul 1894 Modoc Goose Lake Valley 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
  JEPS79127  Downingia cuspidata L. R. Heckard with R. Bacigalupi 1980-6-10 5231 Modoc about 10 mi nw Lookout (along Great Northern Railroad grade) Comment
  JEPS79128  Downingia cuspidata L. R. Heckard with R. Bacigalupi 1980-6-10 5231 Modoc about 10 mi nw Lookout (along Great Northern Railroad grade) Comment
  SEINET8733891 Image available Downingia insignis Margaret J. Williams 1984-1 84- 66 -1 Modoc extending E for more than 2 miles; 0.2 mi E of Hwy 395 at Ravendale 1524 Comment
  CAS-BOT-BC41951  Draba albertina Gregg M. Riegel 1980-7-22 925 b Modoc South Warner Mountains. 2401 Comment
  CAS-BOT-BC58288  Draba albertina Elmer Ivan Applegate 1932-8-2 8088 Modoc Mill Creek Meadows, Warner Mts. Comment
  RSA603595  Draba albertina L. C. Wheeler 1935-8-1 3730 Modoc Warner Mountains: Dismal Swamp, Twenty Mile Creek. 2226 Comment
  UC748102  Draba albertina Annie M. Alexander and Louise Kellogg 1946-8-3 5112 Modoc head of Eagle Creek Warner Mountains, Eagle Creek Comment
  CAS-BOT-BC58556  Draba densifolia Annie Montague Alexander; L. Kellogg 1946-8-9 5142 Modoc Squaw Peak, Patterson Lake Trail, Warner Mts. Comment
  CAS-BOT-BC58555  Draba densifolia C. C. (Mrs.) Bruce 1892-1-1 2133 Modoc Mountains. Comment
  CAS-BOT-BC58594  Draba verna Bruce Bartholomew 1991-5-24 5730 Modoc 2.9 km NE of road between Fort Bidwell and Fee Reservoir on road to Big Mud Lake. 1680 Comment
  RSA520363  Draba verna Bruce Bartholomew, B. Anderson 1989-4-27 4620 Modoc 2.1 km SSE of Day on road to State Highway 299. 1020 Comment
  POM338222  Drymaria F. R. Fosberg 1957-8-18 38852 Modoc Upper Rush Creek Camp Ground, northeast of Adin. 1600 Comment
  CAS-BOT-BC214767  Drymocallis glandulosa Clare Butterworth Hardham 1961-6-20 7881 Modoc Mt. Bidwell, Dismal Swamp Rd. 2438 Comment
  HSC27396  Drymocallis glandulosa D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19519 Modoc Big Valley Summit, 6 mi. W of Adin on Hwy. 299 Comment
  CAS-BOT-BC527340  Drymocallis glandulosa var. reflexa Barrett Anderson 1986-7-9 3182 Modoc Stough Reservoir Road just east of Cedar Pass near Stough Reservoir, Warner Mountains 1965 Comment
  UC545676  Drymocallis lactea var. austiniae L. D. Whitney 1935-7-11 3479 Modoc Glass Mountain Glass Mountain (U.S.B.E. - Plot RS-4) Comment
  CHSC61238  Drymocallis pseudorupestris var. saxicola P. V. Caldwell 1972-7-3 302 Modoc Bank around Patterson Lake in Warner Mts. 2743 Comment
  JEPS47205  Drymocallis pseudorupestris var. saxicola Frances D. Payne 1929-7-26 120 Modoc summit of Mt. Warren Warner Mountains, summit of Mt. Warren Comment
  CAS-BOT-BC14803  Dugaldia hoopesii Annie Montague Alexander; L. Kellogg 1946-8-3 5114 Modoc Head of Eagle Creek, Warner Mountains Comment
  CAS-BOT-BC14801  Dugaldia hoopesii Elmer Ivan Applegate 1932-7-9 7620 Modoc Bidwell Creek above Ft. Bidwell, Surprise Valley Comment
  UC1024970  Echinochloa crus-galli Leo Whitney 1935-7-6 3435 Modoc Pit River near Lookout; Pit River Comment
  UCR67444  Echinochloa crus-galli George K. Helmkamp 1990-9-23 I- 25 Modoc Warner Mtns, Goose Lake, within 0.1 mi of the Oregon border 1476 Comment
  CHSC116188  Elatine Lowell Ahart; John Dittes 2015-7-15 20352 Modoc On the east side of Elkins Lane, about 200 yards northeast of the Parking Area, northwest of the old barn, Ask Creek State Wildlife Area, about 3.9 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  CHSC117370  Elatine rubella Lowell Ahart; John Dittes 2016-7-14 21169 Modoc New sides of a new pond, south of Ash Creek Canal (now filled in), south of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. 1273 Comment
  UC1101534  Elatine triandra Herbert L. Mason 1947-8-8 13472 Modoc nw Alturas (sw margin of Big Sage Reservior) Comment
  RSA0106689  Eleocharis acicularis Lowell Ahart, John Dittes 2013-7-25 18967 Modoc West of where the road crossed, about 50 yards west of the north-south fence, south edge of Ash Creek Floodplain, northwest of Patterson Homestead, east of Elkins Lane, 1.0 (air) mile south of County Road 87, 3.14 miles (air) west of Adin, Big Valley. 1268 Comment
  UC1100626  Eleocharis acicularis Herbert L. Mason and Verne Grant 1947-7-12 13402 Modoc irrigation ditch by Jone's Lane (off Hwy 395, several mi s of Alturas) Comment
  CAS-BOT-BC242383  Eleocharis bolanderi Mrs. H. C. Cantelow 1941-5-23 3634 Modoc Hwy 299 just E of Adin Pass Summit. 1576 Comment
  UC1100606  Eleocharis coloradoensis Herbert L. Mason 1947-8-12 13512 Modoc junction of North and South forks of Pit River, Alturas Comment
  UC1100610  Eleocharis coloradoensis Herbert L. Mason, Verne Grant 1947-7-10 13351 Modoc 2 mi E of Alturas (Dorris Reservoir) Comment
  UC1100602  Eleocharis engelmannii var. detonsa Herbert L. Mason 1947-8-13 13525 Modoc N of Canby, NE side of F reservoir Comment
  CHSC115569  Eleocharis obtusa Lowell Ahart; John Dittes 2015-7-15 20355 Modoc On the east side of Elkins Lane, about 200 yards northeast of the Parking Area, northwest of the old barn, Ash Creek State Wildlife Area, about 3.9 miles (air) west of Adin, about 7.7 miles (air) norheast of Bieber, Big Valley. 1266 Comment
  JEPS124386  Eleocharis obtusa Lowell Ahart, John Dittes 2015-7-15 20355 Modoc Ash Creek State Wildlife Area, about 3.9 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. Comment
  UC70016  Eleocharis palustris Mrs. M. H. Manning 140 Modoc north-eastern Modoc County Comment
  UC698625  Eleocharis quinqueflora Louis C. Wheeler 1935-8-15 3862 Modoc Dismal Swamp, Twenty Mile Creek Warner Mountains 2225 Comment
  HSC7336  Eleocharis rostellata M. T. Milligan 1966-6-30 509 Modoc Slopes and ridges E of Jess Valley 1768 Comment
  CAS-BOT-BC245107  Elodea canadensis Bruce Bartholomew 1992-8-10 6398 Modoc Rush Creek just N of Round Valley on Highway 299 1350 Comment
  CAS-BOT-BC247722  Elymus X hansenii Fred. P. Cronemiller 1920-8-1 28 Modoc Round Valley. 1402 Comment
  RSA603669  Elymus X hansenii L. C. Wheeler 1935-8-4 3779 Modoc Warner Mts., Dry Lake, Pine Creek 2104 Comment
  UC1026706  Elymus X saundersii Leo Whitney 1935-8-14 3617 Modoc dry stream bed near Hackamore (ca 15 mi nw of Canby); Modoc National Forest 1463 Comment
  UCD62820  Elymus X saundersii L. Whitney 1935-7-19 3537 Modoc Hackamore River, Hackamore, ca. 15 miles northwest of Canby, Modoc National Forest. Comment
  HSC8729  Elymus X saxicola M. T. Milligan 1966-7-7 567 Modoc East of Jess Valley. 1677 Comment
  UC1024909  Elymus X saxicola Leo Whitney 1935-7-3 3373 Modoc ca 17 mi nw Canby; Badger Wells Comment
  CAS-BOT-BC247740  Elymus elymoides subsp. elymoides Bruce Bartholomew 1990-6-17 5319 Modoc E side of Surprise Valley, 9.6 km E of Eagleville at the Nevada border. 1580 Comment
  CAS-BOT-BC247753  Elymus elymoides subsp. elymoides Roxana Stinchfield Ferris; L. Lorraine 1941-8-14 10587 Modoc 3 mi. from Patterson Ranger Station on road to Eagleville. Comment
  UC1024929  Elymus elymoides subsp. elymoides Leo Whitney 1935-6-30 3357 Modoc open flat near Hackamore (ca 15 mi nw of Canby); Modoc National Forest 1463 Comment
  JEPS70708  Elymus elymoides subsp. elymoides L. S. Smith 1937-7-11 97 Modoc Granger Mill Camp Warner Mts. 1828 Comment
  CAS-BOT-BC247738  Elymus glaucus Louis Cutter Wheeler 1935-8-4 3779 Modoc Pine Creek. 2103 Comment
  CHSC115507  Elymus multisetus L. P. Janeway 2014-7-8 11456 Modoc Modoc Plateau. East corner of Dry Creek Rim; along Road 47N08 (corral Creek Road) 3.1 road-km north-northwest of Road 48 (along the west edge of Goose Lake). 1650 Comment
  SD64332  Elymus ponticus D. F. Howe 1966-8-25 4299 Modoc Fandango Pass, Warners Mountains 1858 Comment
  HSC65383  Elymus repens Thomas Wood 1979-8-8 215 Modoc 1 mi. S of Ft. Bidwell, along Hwy. 1, corner house where road turns W 1372 Comment
  SJSU9603  Elymus spicatus W. Savage 1979-7-5 1377 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  SEINET10554923  Elymus trachycaulus Louis C. Wheeler 1935-8-4 Wheeler 3781 Modoc Dry Lake, Pine Creek. Warner Mts., Modoc Co. S35, T48N, R15E. 2103 Comment
  RSA185241  Elymus trachycaulus subsp. trachycaulus James L. Reveal, Jack Reveal 1963-8-17 543 Modoc On the east side of Warren Creek, in the head of the first spring 1/2 mile north of the Tioga Pass Road 2835 Comment
  CHSC106190  Elymus triticoides Lowell Ahart; John Dittes 2010-8-31 17131 Modoc West side of Elkins Lane, about 10 yards south of the bridge across Ash Creek, Ash Creek State Wildlife Area, 4215 feet north of Lassen County line, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  CDA2054  Elytrigia repens T. C. Fuller 1958-7-8 1940 Modoc Corporation Ranch, Likely. 0 Comment
  CAS-BOT-BC217287  Enemion stipitatum Bruce Bartholomew 1993-4-3 6411 Modoc Just S of Adin Pass on State Hwy 299. 1600 Comment
  CAS-BOT-BC191039  Epilobium angustifolium subsp. circumvagum Leland S. Smith 1919-7-1 980 Modoc Coyote Creek, Warner Mts. 1828 Comment
  CAS-BOT-BC191012  Epilobium brachycarpum John Thomas Howell 1934-7-1 12331 Modoc Duncan Horse Camp. 1355 Comment
  CAS-BOT-BC191019  Epilobium brachycarpum Bruce Bartholomew 1991-7-5 5931 Modoc Vicinity of Cow Head Spring between Dorris Bothers Reservoir and Cow Head Tank. 1510 Comment
  CAS-BOT-BC191028  Epilobium brachycarpum Verne Grant; I. Schneider 1947-8-27 8308 Modoc 10 mi. S of Tule Lake. Comment
  CAS-BOT-BC191032  Epilobium brachycarpum Alice Eastwood; John Thomas Howell 1940-6-15 8301 Modoc 5 mi. N of Lookout. Comment
  CHSC100526  Epilobium brachycarpum Lowell Ahart; John Dittes 2008-8-25 15277 Modoc On the west side of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-notheast of Lookout. 1273 Comment
  CHSC112832  Epilobium brachycarpum Lowell Ahart; John Dittes 2013-7-25 18961 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
  HSC16319  Epilobium brachycarpum M. T. Milligan 1965-6-30 390 Modoc N end of Jess Valley 1646 Comment
  HSC26605  Epilobium brachycarpum D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19429 Modoc Near Hager Reservoir Comment
  JEPS114669  Epilobium brachycarpum Lowell Ahart, John Dittes 2008-8-25 15277 Modoc On the west side of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout 1276 Comment
  JEPS39237  Epilobium brachycarpum W. L. Jepson 1918-8-9 7912 Modoc Ft. Bidwell Comment
  CAS-BOT-BC497199  Epilobium brachycarpum John H. Hatton 1911-6-24 162 Modoc Modoc Forest 1493 Comment
  CAS-BOT-BC190994  Epilobium ciliatum subsp. ciliatum Robert Folger Thorne; et al 1969-9-3 39023 Modoc SE end of Tule Lake Sump, 0.5 mi N of turnoff to Lava Beds National Monument. 1264 Comment
  SJSU9614  Epilobium ciliatum subsp. ciliatum W. Savage 1979-7-6 1411 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest Comment
  UCD105793  Epilobium ciliatum subsp. ciliatum Malcolm A. Nobs; S. Galen Smith 1949-9-1 1709 Modoc Mono Vista Springs on the northwestern shore of Mono Lake. Comment
  CDA38072  Epilobium ciliatum subsp. ciliatum T. C. Fuller 1958-7-8 s.n. Modoc Corporation Ranch, Likely. 0 Comment
  CAS-BOT-BC190981  Epilobium ciliatum subsp. glandulosum Leland S. Smith 1917-8-3 148 Modoc South Fork Davis Creek. 2133 Comment
  CAS-BOT-BC190984  Epilobium ciliatum subsp. glandulosum Elmer Ivan Applegate 1932-8-7 8243 Modoc Lily Lake. Comment
  CAS-BOT-BC190991  Epilobium ciliatum subsp. glandulosum Bruce Bartholomew 1989-8-11 5092 Modoc Vicinity of Patterson Ranger Station, S end of Warner Moutains. 2160 Comment
  UC748256  Epilobium ciliatum subsp. glandulosum Annie M. Alexander and Louise Kellogg 1946-7-17 5008 Modoc Benton Meadow Warner Mountains 2072 Comment
  CAS-BOT-BC190979  Epilobium densiflorum Leland S. Smith 1919-8-5 1139 Modoc Ash Valley and vicinity. 1371 Comment
  CAS-BOT-BC248344  Epilobium hallianum B. Bartholomew; H. Sun 2002-6-24 8827 Modoc S end of Sweagert flat ca. 15.3 straight line km WNW of Aden 1820 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
  UC873397  Epilobium hornemannii subsp. hornemannii C. L. Hitchcock 1940-5-27 6710 Modoc 15 mi ne Alturas (along stream) 1615 Comment
  NY1000434  Epilobium hornemannii var. hornemannii B. M. Bartholomew 1991-8-5 6035 Modoc Squaw Peak Trail on north side of Squaw Peak, east side of Warner Mountains 2420 Comment
  CAS-BOT-BC190950  Epilobium obcordatum Annie Montague Alexander; L. Kellogg 1946-7-23 5050 Modoc Emerson Peak, Warner Mts. Comment
  NY1000485  Epilobium obcordatum B. M. Bartholomew 1990-8-4 5630 Modoc Crest of the Warner Mountains, ca. 0.5 km southeast of Patterson Lake along Summit Trail 2770 Comment
  CAS-BOT-BC190935  Epilobium pallidum Bruce Bartholomew 1991-7-5 5939 Modoc Dry wash draining into North Willow Creek, between Crowder Flat and the Oregon border. 1620 Comment
  CAS-BOT-BC190936  Epilobium pallidum Alice Eastwood; John Thomas Howell 1940-6-13 8126 Modoc Near Davis Creek. Comment
  CAS-BOT-BC190873  Epilobium pygmaeum John Thomas Howell 1934-7-2 12351 Modoc Morvitz Creek, 1 mi. S of Clear Lake. Comment
  CDA34216  Epilobium pygmaeum L. Ahart, J. Dittes 2010-8-3 17058 Modoc About 10 yards east of the fence, south edge of the meadow, Ash Creek State Wildlife Area, 2300 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. Comment
  CAS-BOT-BC30178  Equisetum laevigatum Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16397 Modoc Roadside, at Thoms Creek, 6.1 mi. E of Calif. St. Highway 299, on Cedar Pass road. Comment
  CAS-BOT-BC30179  Equisetum laevigatum Annie Montague Alexander; L. Kellogg 1946-7-5 4911 Modoc In moist ground, base of cliff. Lava cliff west of Lower Lake. Comment
  JEPS123858  Equisetum laevigatum Lowell Ahart, John Dittes 2015-7-16 20393 Modoc Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. Comment
  CAS-BOT-BC95472  Eremogone aculeata Bruce Bartholomew 1990-6-15 5245 Modoc Top of Manzanita Mountain in vicinity of Manzanita Lookout. 2130 Comment
  CAS-BOT-BC95442  Eremogone congesta Bruce Bartholomew 1991-5-25 5760 Modoc N side of the Pit River, ca. 1 km W of Ostrom Point. 1320 Comment
  HSC95833  Eremogone congesta Juha Pykala, D. H. Norris 1987-5-27 1117 Modoc Modoc National Forest, 4 mi. from Hwy. 299, Crowder Flat Rd. 1518 Comment
  CHSC118082  Eremogone congesta var. subcongesta L. P. Janeway 2016-5-18 12054 Modoc Modoc Plateau. Between Goose Lake and the Devils Garden area; uplands along southwest side of Goose Lake about 2.1 air-km southwest of north end of Road 48 causeway across the lake. 1434 Comment
  CAS-BOT-BC14821  Ericameria greenei Louis Cutter Wheeler 1935-8-14 3854 Modoc Lily Lake, Warner Mountains 2133 Comment
  HSC67900  Ericameria greenei J. P. Smith, J. O. Sawyer 1973-8-8 7241 Modoc S slopes of Eagle Peak 2561 Comment
  RSA606145  Ericameria greenei L. C. Wheeler 1935-8-14 3854 Modoc Lily Lake, Pine Creek, Warner Mts. 2134 Comment
  CAS-BOT-BC287481  Ericameria greenei B. Bartholomew 1990-8-4 5628 Modoc On N side of Pine Creek Basin on trail to Patterson Lake, W side of Warner Mts 2610 Comment
  CAS-BOT-BC287484  Ericameria greenei Roxana S. Ferris; Laura Lorraine 1941-8-14 10618 Modoc Summit of Fandango Pass, on road between Fort Bidwell and Pine Creek, Warner Mts, Modoc National Forest 1889 Comment
  CHSC100136  Ericameria nauseosa var. oreophila L. P. Janeway; B. Castro 2008-8-16 9542 Modoc Modoc Plateau. Surprise Valley; east side of Middle Alkali Lake, south side of Hwy 299 10.5 km east of Cedarville. 1378 Comment
  CHSC106341  Ericameria nauseosa var. oreophila Lowell Ahart; John Dittes 2010-8-30 17052 Modoc About 3 yards east of the fence, south edge of the meadow, Ash Creek State Wildlife Area, 2,300 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  UC217111  Ericameria nauseosa var. speciosa H. M. Hall 1921-9-10 11671 Modoc s of Alturas Comment
  RSA129817  Ericameria suffruticosa G. A. Graham 1937-8-6 145 Modoc Belfort 3110 Comment
  JEPS5929  Erigeron aphanactis var. aphanactis Frances D. Payne 1932-6-10 426 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  CAS-BOT-BC42834  Erigeron austiniae R. M. Austin; C. C. (Mrs.) Bruce 1898-7-1 2186 Modoc unspecified Comment
  CAS-BOT-BC42841  Erigeron austiniae Fred D. Douthitt 1916-5-11 14 Modoc Juniper Flats near West Valley. 1524 Comment
  CAS-BOT-BC42843  Erigeron austiniae K. Paulson; Robert Paulson 1988-5-22 5 Modoc Engle Swamp Road, Devil's Garden. 1402 Comment
  CDA4406  Erigeron austiniae T. C. Fuller 1965-6-2 13595 Modoc South side of Highway 299 to Canby, 10.3 miles west of Alturas. 0 Comment
  CHSC117036  Erigeron bloomeri var. bloomeri Lowell Ahart; John Dittes 2016-6-6 20952 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
  POM36268  Erigeron bloomeri var. bloomeri Mrs. R. M. Austin 1895-06 554 Modoc Goose Lake Valley Comment
  SJSU9565  Erigeron bloomeri var. bloomeri W. Savage 1979-7-3 1305 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  JEPS29178  Erigeron compositus Lauramay T. Dempster 1961-6-20 1716 Modoc ridge just north of junction of Dismal Creek Road with Fort Bidwell Road; Warner Mts. 2346 Comment
  CDA13448  Erigeron divergens G. F. Hrusa, T. D. Wilfred 1996-7-21 13295 Modoc Modoc Plateau; Modoc Co. Rd. 90 bridge over Pit River. E base of Splawn Mtn. N end of Big Valley. Comment
  CHSC118843  Erigeron eatonii var. plantagineus L. P. Janeway 2014-7-8 11475 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
  CAS-BOT-BC42782  Erigeron eatonii var. plantagineus Leland S. Smith 1924-6-3 1361 Modoc South of Egg Lake in timber. Comment
  HSC5055  Erigeron eatonii var. plantagineus M. T. Milligan 1964-6-17 45 Modoc 1 mi. N of Hwy. 139 on USFS Rd. 44N15 1524 Comment
  OBI50219  Erigeron eatonii var. plantagineus Barbara Ertter 1988-6-18 7628 Modoc Hwy 139 14.5 mi ENE of jct hwy 299 at Canby, N of Bessler Reservoir. T43N R7E sec 36 1463 Comment
  POM229172  Erigeron eatonii var. plantagineus L. C. Wheeler 1935-8-4 3783 Modoc Dry Lake, Pine Creek. Warner Mts. 2104 Comment
  CAS-BOT-BC42764  Erigeron elegantulus Fred D. Douthitt 1915-5-11 15 Modoc Juniper Flats near West Valley. 1524 Comment
  CAS-BOT-BC49629  Erigeron filifolius Alice Eastwood; John Thomas Howell 1940-6-14 8243 Modoc Between Mammoth Cave and Lava Beds Nat. Mon. Comment
  POM204115  Erigeron filifolius J. T. Howell 1934-6-13 12099 Modoc Patterson Mill Road, Warner Mtns. 1677 Comment
  CAS-BOT-BC49620  Erigeron glacialis var. glacialis Bruce Bartholomew; Barrett Anderson 1988-7-23 4581 Modoc Dismal Swamp, Warner Mts.. 2180 Comment
  JEPS86332  Erigeron glacialis var. glacialis Jack and Betty Guggolz 1988-7-4 978 Modoc North Star Basin Comment
  RSA504615  Erigeron inornatus var. inornatus Bruce Bartholomew, B. Anderson 1988-7-21 4405 Modoc 2.1 km SSE of Day on the road to state Highway 299 1020 Comment
  CAS-BOT-BC49609  Erigeron linearis Annie Montague Alexander; L. Kellogg 1946-8-9 5137 Modoc Patterson Lake Trail, Warner Mts. Comment
  CHSC112357  Erigeron linearis L. P. Janeway; B. Castro 2014-6-3 11313 Modoc Great Basin. Top of knoll between the lower end of Long Canyon and the lower end of Poison springs Canyon, overlooking north end of Surprise Valley. 1567 Comment
  UC485111  Erigeron lonchophyllus Mrs. R. M. Austin 1885-8-1 Modoc Goose Lake Valley Comment
  UC468828  Erigeron philadelphicus var. philadelphicus M. F. Gilman 551 Modoc 1432 Comment
  UCR92402  Erigeron pumilus subsp. intermedius 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
  RSA0004934  Eriogonum anserinum R. M. Austin 1895-07 437 Modoc Goose Lake Valley. Comment
  HSC80736  Eriogonum douglasii G. M. Riegel 1980-8-13 1064 Modoc S Warner Mtns. 1829 Comment
  UC1540233  Eriogonum douglasii var. meridionale Dean Wm. Taylor, Glenn L. Clifton 1987-6-27 9113 Modoc headwaters of South Deep Creek Warner Mountains, South Deep Creek 2194 Comment
  CAS-BOT-BC197821  Eriogonum elatum Robert Patterson; Mona Bourell 1993-8-15 5235 Modoc Warner Mountains. Along trail from Patterson Lake to ca. 2 mi north towards Pepperdine Trailhead. 2743 Comment
  CAS-BOT-BC197824  Eriogonum elatum Leland S. Smith 1924-6-29 1444 Modoc Happy Camp Ranger Station. Comment
  CAS-BOT-BC197813  Eriogonum heracleoides var. heracleoides Elmer Ivan Applegate 1932-8-5 8177 Modoc Arid summit of Cedar Mountain, Warner Mts. Comment
  HSC43010  Eriogonum heracleoides var. heracleoides J. P. Smith, J. O. Sawyer 1973-8-8 7243 Modoc S slopes of Eagle Peak 2561 Comment
  JEPS56884  Eriogonum heracleoides var. heracleoides W. L. Jepson 1918-8-13 7965 Modoc Eagle Peak Warner Mts., Eagle Peak 3017 Comment
  RSA165621  Eriogonum heracleoides var. heracleoides Clare B. Hardham 1961-6-21 7917 Modoc East of Lakeview Comment
  RSA509466  Eriogonum heracleoides var. heracleoides G. R. Ballmer 1988-7-21 s.n. Modoc Warner Mountains, Bidwell Mounatain, approx. 3 miles S of Oregon border in extreme NE corner of state Comment
  RSA796041  Eriogonum heracleoides var. heracleoides L. P. Janeway, B. Castro 2012-7-24 10974 Modoc Warner Mountains. Northwestern flank of Mount Bidwell; 1.2 air km south of Dismal Swamp. 2362 Comment
  CAS-BOT-BC197797  Eriogonum microthecum var. ambiguum Bruce Bartholomew 1991-8-5 6054 Modoc Summit Trail between Squaw Peak and Cottenwood Lake, crest of the Warner Mts. 2530 Comment
  HSC75597  Eriogonum microthecum var. ambiguum G. M. Riegel 1980-7-14 868 Modoc S Warner Mtns. 1829 Comment
  NY282139  Eriogonum microthecum var. ambiguum B. M. Bartholomew 1990-6-17 5323 Modoc E side of Surprise Valley, 9.6 km E of Eagleville at the Nevada border. 1580 Comment
  LA206945  Eriogonum nudum var. oblongifolium O. H. Kappler; 1949-7-26 s.n. Modoc Adin Pass. Along Route 299 1523 Comment
  CAS-BOT-BC211412  Eriogonum nudum var. pubiflorum E. S. Willits 1939-10-10 164 Modoc Surprise Valley. Comment
  CAS-BOT-BC211439  Eriogonum nudum var. pubiflorum Elmer Ivan Applegate 1932-8-1 7995 Modoc N of Mill Creek Meadow, Warner Mts. Comment
  CAS-BOT-BC211447  Eriogonum nudum var. pubiflorum Clare Butterworth Hardham 1961-6-18 7553 Modoc E of Cedar Pass. 1828 Comment
  HSC17327  Eriogonum nudum var. pubiflorum M. T. Milligan 1964-7-20 153 Modoc N end of Jess Valley, near Mill Creek. 1677 Comment
  NY762340  Eriogonum nudum var. pubiflorum J. L. Gentry Jr. 1968-7-4 2114 Modoc 3.9 miles west of Highway jct. Calif. 139 and Calif. 299 at Pit River. 1341.1 Comment
  SD46518  Eriogonum nudum var. pubiflorum Robert J. Weatherly 1955-7-8 1637 Modoc 3 miles north of Ft. Bidwell, northern Warner Mts. 1554 Comment
  CAS-BOT-BC211432  Eriogonum nudum var. pubiflorum Leland S. Smith 1924-6-22 1431 Modoc Along Lava Trail west of Lava R.S. 1325 Comment
  NY762338  Eriogonum nudum var. pubiflorum H. D. D. Ripley 1944-6-1 6030 Modoc Foothills of Warner Mountains, west of Cedarville 1493.5 Comment
  NY762342  Eriogonum nudum var. pubiflorum J. L. Reveal 1975-8-14 3947 Modoc Along California Highway 139-299, 1.2 miles southeast of Adin Summit, about 10.5 miles north of Adin Comment
  RSA66348  Eriogonum nudum var. pubiflorum F. W. Peirson 1926-6-25 6862 Modoc West slope of Warner Mountains on Cedarville Road. Comment
  SEINET11261586  Eriogonum nudum var. pubiflorum Noel H. Holmgren, James L. Reveal 1964-8-21 1717 Modoc Warner Range, about 5 miles southwest of Eagleville on the Eagleville-Likely Road.; 0 Comment
  SEINET5330949  Eriogonum nudum var. pubiflorum M. S. Baker Unknown s.n. Modoc No data. Comment
  UCR40347  Eriogonum ovalifolium G. R. Ballmer, G. F. Pratt 1985-7-15 s.n. Modoc Warner Mtns., near the summit of Mount Bidwell 2500 Comment
  RSA165617  Eriogonum ovalifolium var. multiscapum Clare B. Hardham 1961-6-18 7549 Modoc 3.2 miles east of Cedar Pass 1829 Comment
  NY282050  Eriogonum ovalifolium var. nevadense G. Riegel 1981-6-23 1169 Modoc Near Cedarville. 1645.9 Comment
  CAS-BOT-BC211400  Eriogonum pusillum Bruce Bartholomew 1993-6-13 6612 Modoc Near the Nevada border, E of Eagleville, Surprise Valley. 1510 Comment
  HSC75590  Eriogonum spergulinum var. reddingianum G. M. Riegel 1980-8-6 1000 Modoc South Warner Mtns. 1670 Comment
  NY283098  Eriogonum sphaerocephalum M. J. Williams 1983-9-13 83153- 2 Modoc 1.6 miles beyond campground on Stowe Reservoir road, north of Cedar Pass road, Warner Mountains. 2011.7 Comment
  CAS-BOT-BC211388  Eriogonum sphaerocephalum var. halimioides Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16387 Modoc 5 mi. E of Calif. State Highway 299 along Cedar Pass Road. Comment
  CAS-BOT-BC211419  Eriogonum sphaerocephalum var. halimioides Frank Warrington Peirson 1926-7-25 6859 Modoc Cedarville Road, west slope of Warner Mts. Comment
  CHSC113988  Eriogonum sphaerocephalum var. halimioides L. P. Janeway 2014-7-8 11467 Modoc Modoc Plateau. East corner of Dry Creek Rim; along Road 47N08 (Corral Creek Road) 3.1 road-km north-northwest of Road 48 (along the west edge of Goose Lake). 1650 Comment
  CHSC42183  Eriogonum sphaerocephalum var. halimioides C. E. Laver 1985-7-12 Modoc Ca. 18 mi sw of Alturas and 0.5 mi sw of Graven Reservoir. 1524 Comment
  NY283124  Eriogonum sphaerocephalum var. halimioides F. M. Ownbey 1940-7-1 2151 Modoc On Talus Slopes, Cedar Peak, Warner Mountains. Comment
  RSA31848  Eriogonum sphaerocephalum var. halimioides A. A. Heller 1941-6-24 16193 Modoc On rocky hillside just south of Indian Springs along U. S. Highway # 299, in the Juniper Belt. Comment
  UC727034  Eriogonum sphaerocephalum var. halimioides A. A. Heller 1941-6-24 16193 Modoc just s Indian Springs (along U. S. Highway #299) Comment
  SEINET5331611  Eriogonum sphaerocephalum var. halimioides M. J. Williams 1984-4-1 84- 88 -1 Modoc NW of Alturas, 3.5 mi N of Hwy 299, Crowder Flat Road. 1372 Comment
  HSC27355  Eriogonum sphaerocephalum var. sphaerocephalum D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19385 Modoc Along Hager Basin Rd. near Big Sage Reservoir. Comment
  SJSU9585  Eriogonum strictum W. Savage 1979-7-4 1347 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  CHSC32928  Eriogonum strictum var. anserinum J. P. Smith; J. O. Sawyer 1973-8-8 7246 Modoc South slopes of Eagle Peak. 2743 Comment
  UC849658  Eriogonum strictum var. anserinum C. L. Hitchcock 1940-5-27 6656 Modoc 9 mi ne Alturas 1402 Comment
  CAS-BOT-BC211373  Eriogonum umbellatum K. Paulson; Robert Paulson 1988-5-22 7 Modoc Devil's Garden. 1432 Comment
  HSC17346  Eriogonum umbellatum var. dichrocephalum M. T. Milligan 1964-6-17 46 Modoc 1 mi. N of Hwy. 139 on FS Rd. 44N15 1524 Comment
  CHSC117054  Eriogonum umbellatum var. modocense Lowell Ahart; John Dittes 2016-6-6 20946 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
  UC1395160  Eriogonum umbellatum var. modocense James L. Reveal 1971-6-22 2461 Modoc along U.S. Highway 395 at Davis Creek Davis Creek 1453 Comment
  CAS-BOT-BC197787  Eriogonum umbellatum var. nevadense Annie Montague Alexander; L. Kellogg 1946-7-11 4972 Modoc Mesa W of Eight Mile Creek, NE corner of county. 1752 Comment
  UC1250285  Eriogonum umbellatum var. nevadense Annie M. Alexander and Louise Kellogg 1946-7-11 4972 Modoc mesa w Eight Mile Creek 1752 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-BC197593  Eriogonum vimineum Annie Montague Alexander; L. Kellogg 1946-7-17 4996 Modoc Cedar Pass, Warner Mts. Comment
  CAS-BOT-BC197603  Eriogonum vimineum Roxana Stinchfield Ferris; R. Duthie 1919-6-16 192 Modoc Above Parker Creek, Modoc Nat. Forest Boundry. Comment
  SEINET5332129  Eriogonum vimineum J. Gentry Jr. 1968-7-4 2112 Modoc 15.2 miles northwest of Hwy. jct. Calif. 139 and Calif. 299, on Calif. 139. 1448 Comment
  UCD101535  Eriogonum vimineum J. M. Tucker 1951-7-25 1971 Modoc beside highway 139, 26.4 miles southeast of Tule Lake. Comment
  CAS-BOT-BC49590  Eriophyllum lanatum John H. Hatton 1911-6-22 145 Modoc Modoc National Forest 1615 Comment
  CAS-BOT-BC49598  Eriophyllum lanatum Mrs. H. C. Cantelow 1940-6-1 3239 Modoc Warner Mountains, Cedar Pass, E of Alturas Comment
  CAS-BOT-BC49599  Eriophyllum lanatum Gordon H. True 1964-6-3 1461 Modoc North Fork Pit River between Alturas and Goose Lake. 1463 Comment
  CAS-BOT-BC49600  Eriophyllum lanatum Elmer Ivan Applegate 1971-8-7 8071 Modoc Mill Creek Meadow, W slope of Warner Mts. Comment
  HSC81108  Eriophyllum lanatum var. achilleoides G. M. Riegel 1979-7-12 530 Modoc South Warner Mtns. 1739 Comment
  POM66628  Eriophyllum lanatum var. achilleoides Mrs. R. M. Austin 1896-07 567 Modoc Goose Lake Valley Comment
  RSA34971  Eriophyllum lanatum var. achilleoides Roxana S. Ferris, Laura Lorraine 1941-8-13 10512 Modoc Patterson Ranger Station (East Creek drainage). Modoc National Forest, Waner Mts. 2165 Comment
  SFV3890  Eriophyllum lanatum var. achilleoides I. L. Wiggins, D. B. Wiggins 1961-6-12 16372 Modoc Warner Mountains Gentle, grassy slope at junction of Cedar Pass Road with California Highway 299. 5.5 miles north of Alturas. 1370 Comment
  UC71787  Eriophyllum lanatum var. achilleoides Mrs. M. H. Manning 1903-6 186 Modoc near Fort Bidwell (ne Modoc County) Comment
  RSA174191  Eriophyllum lanatum var. integrifolium Milo S. Baker 1893-7-27 s.n. Modoc Pine woods Comment
  NY1101520  Erodium cicutarium M. J. Williams 1988-6-2 88- 27 --2 Modoc Hwy 395, 0.4 mile east of Susanville road after turn to Alturas Comment
  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
  HSC28832  Eryngium alismifolium D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19499 Modoc Big Valley Summit, 6 mi. W of Adin on Hwy. 299 Comment
  SD230150  Eryngium alismifolium Louis C. Wheeler 1935-8-21 3900 Modoc Devil's Garden: Pine Spring. 1524 Comment
  CHSC100392  Eryngium articulatum Lowell Ahart; John Dittes 2008-8-25 15285 Modoc On the west bank (flood plain) of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-notheast of Lookout. 1273 Comment
  CAS-BOT-BC497204  Eryngium articulatum Louis C. Wheeler 1935-9-13 3985 Modoc Davil's Garden: Fletcher Creek at Pease Place 1524 Comment
  JEPS114399  Eryngium mathiasiae Lowell Ahart, John Dittes 2008-8-25 15306 Modoc On the west bank (flood plain) of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout 1273 Comment
  HSC6794  Erysimum capitatum M. T. Milligan 1967-7-8 664 Modoc W slope of Eagle Peak 2439 Comment
  POM95422  Erysimum capitatum Mrs. R. M. Austin, Bruce 1898-06 2252 Modoc Lake City Mt. Comment
  UC10537  Erysimum capitatum Milo S. Baker 1893-6 Modoc Comment
  UC10548  Erysimum capitatum Milo S. Baker 1893-6 Modoc Comment
  CAS-BOT-BC58334  Erysimum repandum E. S. Willits 1940-4-16 184 Modoc Foothills above Willow Ranch, Hwy 295 (395). Comment
  CAS-BOT-BC58341  Erysimum repandum Edward Kent Balls 1950-5-13 14664 Modoc Goose Lake, E shore, about Willow Ranch. 1463 Comment
  JEPS5989  Erysimum repandum Frances D. Payne 1932-5-27 410 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  JEPS90160  Erysimum repandum Dean Wm. Taylor with Glenn L. Clifton 1992-5-7 12532 Modoc 7 mi w of Alturas (Modoc Plateau, Highway 299 at Milepost 25.5, on hillside 0.3 mi n of the highway); Modoc Plateau, Highway 299 at Milepost 25.5 Comment
  CDA8333  Erysimum repandum Carri Pirosko 2008-6-1 PDR# 1303870 Modoc Alturas, Schluter Ranch, Pencil Rd. X HWY 395 0 Comment
  RSA563313  Erysimum repandum Bruce Bartholomew, M. Bourell 1990-4-27 5185 Modoc 10.3 km NW of Hwy 299 on Crowder Flat Rd. (Elevation 1) Comment
  UCD115019  Erysimum repandum W. A. Harvey 1954-6-3 s.n. Modoc in field on Al Lindgren Ranch, 2 miles northeast of Alturas. Comment
  CAS-BOT-BC229915  Erythranthe arvensis Annie Montague Alexander; L. Kellogg 1946-6-18 4800 Modoc Patterson Mill-Silver Creek roads. 1828 Comment
  CAS-BOT-BC229901  Erythranthe breviflora Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-10 6470 Modoc 1.6 km NE of Fee Reservoir Road on Barrel Spring Road, N end of Surprise Valley. 1600 Comment
  CAS-BOT-BC229904  Erythranthe breweri Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10551 Modoc Patterson Ranger Station (East Creek drainage). 2164 Comment
  CAS-BOT-BC234509  Erythranthe guttata Bruce Bartholomew; Barrett Anderson 1988-7-21 4465 Modoc Vicinity of Patterson Campground, southern end of the Warner Mts. 2190 Comment
  CAS-BOT-BC234510  Erythranthe guttata Bruce Bartholomew; Barrett Anderson 1988-6-24 4347 Modoc South Barber Creek, 6.3 km SW of County Road 1 on County Road 42, E side of the Warner Mts.. 1790 Comment
  CAS-BOT-BC234459  Erythranthe primuloides Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10566 A Modoc East Creek ca. 1 mi. E of Patterson Ranger Station. Comment
  CAS-BOT-BC234462  Erythranthe primuloides Bruce Bartholomew 1990-6-15 5239 Modoc SE corner of Sweagert Flat. 1860 Comment
  CAS-BOT-BC234431  Erythranthe suksdorfii Bruce Bartholomew 1993-6-13 6636 Modoc Consolidated sand dunes just W of Leonard Hot Spring, E side of Surprise Valley. 1410 Comment
  CAS-BOT-BC234434  Erythranthe suksdorfii Mrs. H. C. Cantelow 1935-6-8 94 Modoc S of Malin. Comment
  RSA520358  Eschscholzia californica subsp. californica Bruce Bartholomew, B. Anderson 1989-6-3 4917 Modoc 9 km W of County Route 91 along the N side of the Pit River 1340 Comment
  CAS-BOT-BC218205  Euphorbia crenulata Leland S. Smith 1924-6-21 1426 Modoc Along Lava Trail, W Lava Ranger Station. Comment
  CAS-BOT-BC95714  Euphorbia serpillifolia Verne Grant; I. Schneider 1947-7-20 8089 Modoc Dorris Reservoir. Comment
  UCD142358  Euphorbia virgata R. N. Raynor 1939-6-2 s.n. Modoc Chace Valley near Adin. Comment
  UC88084  Euthamia occidentalis Mrs. R. M. Austin September 1894 204 Modoc Goose Lake Comment
  CAS-BOT-BC247718  Festuca Leland S. Smith 1924-6-4 1366 Modoc Near Kramer Reservoir, S of Egg Lake. Comment
  UCR163260  Festuca Jim Andre 1993-7-2 1427 Modoc Modoc Plateau, about 10 miles NW of Canby on Hwy 139, near NW end of Oak Ridge 1494 Comment
  CAS-BOT-BC247707  Festuca idahoensis Leland S. Smith 1924-6-1 1395 Modoc Lavas W of Egg Lake. 1310 Comment
  UC1024898  Festuca idahoensis Leo Whitney 1935-5-23 3116 Modoc 15 mi nw Canby; Modoc National Forest, Hackamore 1463 Comment
  UC1024985  Festuca idahoensis Leo Whitney 1935-7-5 3408 Modoc ca 15 mi nw Canby; Modoc National Forest, Hackamore 1463 Comment
  CAS-BOT-BC278912  Festuca ovina Elmer I. Applegate 1932-8-1 8028 Modoc Summit of Warner Mountains just south of Warren Peak Comment
  JEPS69254  Festuca pratensis L. S. Smith 1917-7-23 121 Modoc Joseph Creek Warner Mts. 1828 Comment
  UC1037140  Festuca pratensis Leo Whitney 1935-6-29 3359 Modoc Alturas Comment
  CHSC67141  Festuca rubra James D. Jokerst 1987-5-14 2876 Modoc Radar Survey Site S of Doublehead Mtn., S of Clear Lake Reservoir, E and adjacent to SW-NE oriented fence. 1348 Comment
  UCD66351  Festuca rubra L. Whitney 1935-7-7 Modoc Howard Gulch. Comment
  CAS-BOT-BC179185  Floerkea proserpinacoides C. L. Hitchcock 1940-5-27 6696 Modoc 15 mi. NE of Alturas. 1615 Comment
  UC869454  Floerkea proserpinacoides C. L. Hitchcock 1940-5-27 6696 Modoc 15 mi ne of Alturas 1615 Comment
  CAS-BOT-BC214653  Fragaria virginiana Bruce Bartholomew; Barrett Anderson 1988-5-12 4089 Modoc 4 km NW of White Horse. 1350 Comment
  SEINET195710  Frasera albicaulis Unknown 1946-7-7 4941 Modoc Eight Mile Creek, northeast corner of county. 1753 Comment
  SJSU9638  Frasera albicaulis W. Savage 1979-7-7 1462 Modoc Triangle, Fairchild Swamp Unit (SW corner), Devils Garden District, Modoc National Forest 1508 Comment
  POM518787  Frasera albicaulis var. nitida Barbara Ertter 1988-6-18 7620 Modoc Hwy 139 ca 50 airmiles SW of Klamath Falls, a few miles N of Agric. Inspection State, 1 mi S of S jct to Lava Beds Nat l Monument E of Tonesta. 1311 Comment
  UCR34672  Frasera speciosa J. A. Harpel 1981-8-6 V 38 Modoc Warner Mtns, South Warner Wilderness Area: E end of Patterson Lake, 7 mi NW of Eagleville 2744 Comment
  HSC26679  Fritillaria atropurpurea D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-22 19309 Modoc Soup Springs Campground Comment
  RSA367712  Fritillaria atropurpurea Christopher Davidson 1975-6-4 2615 Modoc 2.5 mi W of Cedarville on Hwy 299. South sloping hillside of rocky basalt and red clay. 1677 Comment
  UC1237947  Fritillaria atropurpurea John Weiler, A. P. Nelson May 26 1961-May 29 1961 61220 Modoc Warner Mountains, above highway at Cedar Pass Cedar Pass; Warner Mountains, Cedar Pass Comment
  CAS-BOT-BC242097  Fritillaria pudica Bruce Bartholomew; Barrett Anderson 1989-4-28 4657 Modoc 9 km N of State Highway 299 and ca 1.5 km SE Raker & Thomas Reservoir. 1500 Comment
  RSA520504  Fritillaria recurva Bruce Bartholomew, M. Bourell 1990-4-26 5152 Modoc 0.5 km S of Day. 1100 Comment
  CAS-BOT-BC225048  Galium aparine Annie Montague Alexander; L. Kellogg 1946-7-10 4958 Modoc Eight Mile Creek. 1752 Comment
  CAS-BOT-BC225055  Galium aparine Bruce Bartholomew 1995-7-31 7125 Modoc 6.3 km from Forest Service road 46N30 on Forest Service road 45N34, W side of Warner Mountains. Along N fork of Davis Creek 1920 Comment
  CAS-BOT-BC225056  Galium aparine Bruce Bartholomew; Barrett Anderson 1989-4-29 4672 Modoc 6.4 km E of Fort Bidwell on road to Fee Reservoir, NE corner of Surprise Valley. 1460 Comment
  CAS-BOT-BC248326  Galium bifolium B. Bartholomew; H. Sun 2002-6-24 8821 Modoc Just SW of Manzanita Mt. and ca. 15 straight line km NW of Aden 2000 Comment
  CAS-BOT-BC225065  Galium glabrescens subsp. glabrescens Clare Butterworth Hardham 1961-6-18 7540 Modoc 3.2 mi. E of summit of Cedar Pass. Comment
  CAS-BOT-BC225071  Galium glabrescens subsp. modocense M. Vasey 1990-6-28 9008 Modoc In vicinity of pass at junction of N Emerson Lake Trail and Owl Creek Trail, on Cole Peak side of pass. 2590 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
  CAS-BOT-BC225074  Galium mexicanum subsp. asperulum Bruce Bartholomew 1989-8-13 5146 Modoc Ambose Canyon at Lassen County boundary. 1800 Comment
  UCD121803  Galium mexicanum subsp. asperulum Verne Grant; Irving Schneider 1947-7-22 8140 Modoc North Fork of Pit River on Highway 395, about one mile north of junction with Cedarville road. Comment
  JEPS6516  Galium mexicanum var. asperulum W. L. Jepson 1918-8-11 7943 Modoc Jess Valley 1584 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
  RSA610763  Galium serpenticum subsp. warnerense Louis C. Wheeler 1935-8-6 3794 Modoc Edge of Warner Mts, 1/4 mile E Pine Cree (Town). 1555 Comment
Read comments
Mar 3 2009
  CAS-BOT-BC192121  Garrya fremontii E. K. Balls 1950-5-12 14652 Modoc Hillsides north of Bucks Creek Ranger Station, Modoc National Forest, east of Goose Lake. 1859 Comment
  UC1075754  Gayophytum decipiens Robert J. Weatherby 1955-7-8 1609 B Modoc 7 mi n Ft. Bidwell 1874 Comment
  CAS-BOT-BC190837  Gayophytum diffusum subsp. parviflorum Bruce Bartholomew 1991-7-6 5966 Modoc 2.4 km W of County Road 91 Forest Service road 42N03. 1340 Comment
  CAS-BOT-BC190842  Gayophytum diffusum subsp. parviflorum Leland S. Smith 1922-7-20 1295 Modoc Rush Creek Ranger Station pasture. 1905 Comment
  UC1191755  Gayophytum diffusum subsp. parviflorum Herbert L. Mason and Verne Grant 1947-7-10 13334 a Modoc 2 mi e Alturas; Dorris Reservoir Comment
  UCR77776  Gayophytum diffusum subsp. parviflorum B. Bartholomew 1989-7-14 4948 Modoc c. 8 km NE of Egg Lake and 2.5 km east of Survice Gulch. 1340 Comment
  SD135583  Gayophytum diffusum subsp. parviflorum B. Bartholomew 1989-7-15 5023 Modoc Manzanita Lookout, top of Manzanita Mountain. 2130 Comment
  RSA31283B  Gayophytum racemosum Frances D. Payne 1934-8-29 s.n. Modoc Parker Creek 1585 Comment
  UC205189  Gayophytum racemosum W. P. Taylor and H. C. Bryant 1910-7-13 Modoc N. Fork Parker Cr. Warner Mountains (head) 2225 Comment
  POM38705  Gayophytum ramosissimum R. M. Austin 1895-07 468 Modoc Goose Lake Valley. Comment
  UC71845  Gayophytum ramosissimum Mrs. M. H. Manning 1902-7 236 Modoc near Ft. Bidwell (ne Modoc Co.) Comment
  CAS-BOT-BC190817  Gayophytum ramosissimum Elmer Ivan Applegate 1937-5-12 11084 Modoc Lyon road near north entrance, Lava Beds National Monument. Comment
  JEPS24348  Gentiana affinis var. ovata L. S. Smith 1918-7-29 1010 Modoc Patterson Mill Warner Mts. 2194 Comment
  CHSC116075  Geranium carolinianum Lowell Ahart; John Dittes 2015-7-16 20395 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
  CAS-BOT-BC180058  Geranium viscosissimum Annie Montague Alexander; L. Kellogg 1946-7-3 4901 Modoc Bidwell Creek Canyon, 5 mi. W of Fort Bidwell. Comment
  CAS-BOT-BC180068  Geranium viscosissimum Roxana Stinchfield Ferris; R. Duthie 1919-6-14 114 Modoc Parker Creek. Comment
  CAS-BOT-BC180077  Geranium viscosissimum John H. Hatton 1911-6-13 79 Modoc Modoc County. 1389 Comment
  UC109430  Geranium viscosissimum unknown Jun 1894 218 Modoc Willow Creek Comment
  HSC8671  Geranium viscosissimum M. T. Milligan 1964-6-25 88 Modoc Upper Lassen Creek 1829 Comment
  CAS-BOT-BC214663  Geum triflorum Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-14 16480 Modoc Along Lassen Creek on road to Davis Creek, Warner Mts. Comment
  HSC80689  Geum triflorum G. M. Riegel 1980-8-13 1064 Modoc S Warner Mtns. 1829 Comment
  CAS-BOT-BC190703  Gilia brecciarum subsp. brecciarum Elmer Ivan Applegate 1936-5-4 10230 Modoc Lyon rock near Hospital Rock, Lava Beds National Monument. Comment
  CAS-BOT-BC190697  Gilia inconspicua Bruce Bartholomew; Barrett Anderson 1989-4-29 4695 Modoc E side of Surprise Valley, just W of the Nevada border and ca. 15 km E of Cedarville. 1500 Comment
  NY964516  Gilia leptomeria var. micromeria B. M. Bartholomew 1991-5-24 5695 Modoc Surprise Valley, 5.1 km E of Eagleville. 1370 Comment
  CAS-BOT-BC26132  Gilia modocensis Alice Eastwood; John Thomas Howell 1940-6-12 8073 Modoc Between Likely and Jess Valley Comment
  CAS-BOT-BC190663  Gilia sinistra subsp. sinistra Louis Cutter Wheeler 1935-8-13 3833 Modoc Barnes Creek, Warner Mts. 1828 Comment
  CAS-BOT-BC218302  Glaux maritima Arnold Tiehm; S. Cochrane; Jan Nachlinger; Gary Schoolcraft 1984-6-24 8796 Modoc Surprise Valley Mineral Wells on E side of Alkali Lake. 1371 Comment
  CAS-BOT-BC49527  Gnaphalium palustre Bruce Bartholomew 1991-7-4 5893 Modoc S end of Higgins Flat. 1370 Comment
  CAS-BOT-BC49531  Gnaphalium palustre Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10557 Modoc Patterson Ranger Station (East Creek drainage), Warner Mountains. 2164 Comment
  CAS-BOT-BC49533  Gnaphalium palustre Leland S. Smith 1925-1-1 1506 Modoc Happy Camp near Ranger Station. 1371 Comment
  CAS-BOT-BC49574  Gnaphalium palustre Bruce Bartholomew; Barrett Anderson 1990-7-19 5431 Modoc Sweagert Flat. 1860 Comment
  JEPS117376  Gnaphalium palustre Lowell Ahart, John Dittes 2010-8-30 17075 Modoc About 10 yards west of the fence, south edge of the meadow, Ash Creek State Wildlife Area, 2300 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley. Comment
  UC1192121  Gnaphalium palustre Herbert L. Mason 1947-8-13 13521 Modoc ne side of F reservoir (n of Canby) Comment
  JEPS6009  Gnaphalium palustre Frances D. Payne 1932-7-8 666 Modoc grainfield Warner Mountains, Parker Creek (s and e of Alturas) 1584 Comment
  UCD149973  Gratiola ebracteata Harry George 1967-6-15 s.n. Modoc West of Lookout. Comment
  CAS-BOT-BC229888  Gratiola neglecta Verne Grant; I. Schneider 1947-7-20 8094 Modoc S loop of Westside Road, Pit Valley, N of Likely. Comment
  UC1191878  Gratiola neglecta Verne Grant and Irving Schneider 1947-7-18 8038 Modoc Eastside Canal s Alturas (5 mi n of Bayley's bridge) Comment
  RSA114013  Gratiola neglecta Verne Grant, Irving Schneider 1947-7-20 8094 Modoc 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
  UC335981  Gymnosteris parvula unknown May 1878 91 Modoc Surprise Valley; Northern California, Surprise Valley Comment
  RSA496336  Hackelia californica Elaine Joyal, D. Mehlman 1988-6-28 1290 Modoc N Warner Mts., ridge road. Comment
  CAS-BOT-BC54087  Hackelia cusickii Clare Butterworth Hardham 1961-6-18 7546 Modoc Hills 3 mi. E of Cedar Pass. 1828 Comment
  CAS-BOT-BC54094  Hackelia cusickii John Thomas Howell 1934-6-11 11960 Modoc Parker Creek, Warner Mountains 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
  POM72792  Hackelia micrantha Mrs. R. M. Austin, Bruce 1898-06 2268 Modoc Lake City Canyon. Comment
  HSC5799  Helianthella californica subsp. nevadensis M. S. Baker 1893-1 Modoc Forestdale Comment
  JEPS117167  Helianthus annuus Lowell Ahart, John Dittes 2010-8-30 17072 Modoc About 150 yards west of the fence, south edge of the meadow, Ash Creek State Wildlife Area, 2,300 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley 1267 Comment
  SBBG8406  Helianthus cusickii H. and M. Dearing 1939-6-7 3579 Modoc E of Canby Comment
  UC727055  Helianthus cusickii A. A. Heller 1941-6-26 16221 Modoc Four miles east of Canby, along US Highway 299. Comment
  UC1191655  Heliotropium curassavicum Herbert L. Mason and Verne Grant 1947-7-12 13411 Modoc s.w. of Alturas (w. side of S. Fork of Pit R. Valley); S. Fork of Pit R. Valley Comment
  POM72289  Heliotropium curassavicum var. oculatum Mrs. R. M. Austin 1895-07 549 Modoc Goose Lake Valley. Comment
  RSA534715  Heliotropium curassavicum var. oculatum Bruce Bartholomew 1989-8-11 5058 Modoc Along W side of Goose Lake, 3.5 km S of the Oregon border on National Forest Road 48. 1430 Comment
  CAS-BOT-BC21463  Heracleum lanatum Bruce Bartholomew 1995-7-31 7126 Modoc 6.3 km from Forest Service road 46N30 on Forest Service road 45N34, W side of Warner Mountains. 1920 Comment
  CAS-BOT-BC180045  Hesperochiron californicus L. A. M. Black 1894-4-1 109 Modoc Davis Creek. Comment
  JEPS1677  Hesperochiron californicus L. S. Smith c. 1918 809 Modoc Warner Mts., Jess Valley 1524 Comment
  JEPS1687  Hesperochiron californicus L. S. Smith c. 1918 789 1/2 Modoc Warner Mts., Jess Valley 1981 Comment
  CAS-BOT-BC180046  Hesperochiron californicus Leland S. Smith 1920-5-18 11515 /1 Modoc Sear's Homested. 1676 Comment
  CAS-BOT-BC180033  Hesperochiron pumilus Mrs. H. C. Cantelow 1941-5-23 3479 Modoc Hwy 299 just E of Adin Pass Summit. 1576 Comment
  UC1069089  Hesperochiron pumilus R. C. Wilson 1933-5-23 25 Modoc Pothole Gulch, Modoc Nat'l Forest Modoc Nat'l Forest, Canby Quad., Pothole Gulch Comment
  UC24123  Hesperochiron pumilus Milo S. Baker Jun 8 1893-Jun 25 1893 Modoc Comment
  CAS-BOT-BC179170  Hesperolinon micranthum Frances D. Payne 1932-7-11 692 Modoc Parker Creek. 1584 Comment
  UC1212251  Hesperolinon micranthum Herbert L. Mason 1946-7-13 13448 Modoc w end of pass near Goose Lake (on road to Ft. Bidwell); Fandango Pass Comment
  CAS-BOT-BC179169  Hesperolinon micranthum Mrs. R. M. Austin 1894-8-1 Modoc Hills, Lassen Creek. Comment
  CAS-BOT-BC95147  Heterocodon rariflorum R. M. Austin 1894-8-1 Modoc Davis Creek. Comment
  RSA0062922  Heuchera cylindrica var. alpina R. Weatherby 1955-7-8 1629 Modoc 6 miles N of Ft. Bidwell. No. Warner Mtns. 1646 Comment
  JEPS43514  Heuchera cylindrica var. ovalifolia B. M. Payne 1930-5-11 759 Modoc s and e Alturas (Parker Creek); Warner Mountains 1584 Comment
  UC748212  Heuchera cylindrica var. ovalifolia Annie M. Alexander and Louise Kellogg 1946-7-3 4902 Modoc 3.5 mi w Fort Bidwell; Bidwell Creek Canyon Comment
  SEINET11259286 Image available Hieracium albiflorum A. Sanger 1996-7-12 2417 Modoc On road 44N69 less than 1/2 mile from large turn. Found between 2 logging systemroads running E-W 2024 Comment
  CAS-BOT-BC49510  Hieracium albiflorum Annie Montague Alexander; L. Kellogg 1946-6-15 5117 Modoc Deep Creek, Warner Mountains Comment
  HSC81133  Hieracium horridum G. M. Riegel 1979-7-21 572 Modoc South Warner Mountains 1670 Comment
  CAS-BOT-BC49519  Hieracium scouleri Roxana Stinchfield Ferris; L. Lorraine 1941-8-14 10610 A Modoc Summit of Fandango Pass, on road between Fort Bidwell and Pine Creek, Warner Mtns., Modoc N.F. 1889 Comment
  CHSC115482  Hieracium scouleri L. P. Janeway 2014-7-8 11460 Modoc Modoc Plateau. East corner of Dry Creek Rim; along Road 47N08 (Corral Creek Road) 3.1 road-km north-northwest of Road 48 (along the west edge of Goose Lake). 1650 Comment
  UC1536812  Hippuris vulgaris Gordon H. True Jr. 1939-7-21 1022 Modoc n. Canby (Jack Swamp); Jack Swamp Comment
  SEINET11915820  Holodiscus dumosus M. Ownbey, Meyer, F. G. 1940-1 2155 Modoc Cedar Park, Warner Mtns Comment
  CAS-BOT-BC214687  Holodiscus microphyllus var. glabrescens Elmer Ivan Applegate 1932-7-9 7612 Modoc Bidwell Mt., Warner Mts. Comment
  CAS-BOT-BC214697  Holodiscus microphyllus var. glabrescens Francis Marion Ownbey; Frederick Gustav Meyer 1940-7-1 2155 Modoc Cedar Peak, Warner Mts. Comment
  CHSC85125  Holosteum umbellatum John Dittes; Josephine Guardino 1991-6-1 362 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-BC95208  Holosteum umbellatum subsp. umbellatum Bruce Bartholomew 1995-5-12 6900 A Modoc Near NE side of Day Rock above Little Hot Spring Valley. 1250 Comment
  CAS-BOT-BC247683  Hordeum brachyantherum subsp. brachyantherum Bruce Bartholomew 1990-8-4 5625 Modoc Slope on NE side of Pine Creek Basin on trail to Patterson Lake, W side of Warner Mts. 2430 Comment
  SBBG115845  Hordeum jubatum B. Crampton 1954-7-7 2160 Modoc 2.5 mi E of Alturas, near radio stn Comment
  CDA32411  Hordeum jubatum T. C. Fuller 1962-8-3 9491 Modoc Hwy 139 to Tulelake, 0.25 mile northwest of Stronghold 0 Comment
  UC1024886  Hordeum murinum subsp. glaucum Leo Whitney 1935-5-26 3131 a Modoc Adin Comment
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May 5 2009
  CAS-BOT-BC179336  Hydrophyllum capitatum var. alpinum C. L. Hitchcock 1940-5-27 6682 Modoc 15 mi. NE of Alturas. 1615 Comment
  CAS-BOT-BC180024  Hydrophyllum capitatum var. alpinum Roxana Stinchfield Ferris; R. Duthie 1919-6-14 80 Modoc Parker Creek. Comment
  SEINET3156124  Hydrophyllum capitatum var. alpinum E. K. Balls 1950-5-11 14627 Modoc 8.1 miles NE of Fort Bidwell, above Cow Head Lake, along 8 mile Creek. 1463 Comment
  UC1005251  Hydrophyllum capitatum var. alpinum Rolf Y. Berg 1955-6-22 Modoc w of Cedarville (Cedar Pass Campground); Modoc National Forest Comment
  UC107176  Hydrophyllum capitatum var. alpinum Mrs. R. M. Austin May 1894 Modoc Goose Lake Valley Comment
  UC71797  Hydrophyllum capitatum var. alpinum Mrs. M. H. Manning 1903-1 87 Modoc se slope Mt. Bidwell (ne Modoc County) Comment
  JEPS1627  Hydrophyllum capitatum var. alpinum Leland S. Smith 1918-8-13 1073 Modoc Camp One Comment
  CHSC63379  Hymenoxys hoopesii V. H. Oswald; Beth Corbin, Mike Dolan, Allison Sanger 1994-7-9 6371 Modoc Dismal Swamp ca. 6 mi (air) E of Hwy. 395, just S of the Oregon border. Meadow surrounding Dismal Creek. 2206 Comment
  HSC59908  Hymenoxys hoopesii G. M. Riegel 1979-7-24 595 Modoc South Warner Mt. Wilderness Area 2561 Comment
  CAS-BOT-BC179906  Hypericum anagalloides Bruce Bartholomew 1989-8-11 5055 Modoc Along W side of Goose Lake, 12.4 km N of McGinty Point on National Forest Road 48. 1430 Comment
  JEPS4573  Hypericum anagalloides Frances D. Payne 1935-7-19 795 Modoc s. and e. of Alturas (mouth of Dry Creek - a tributary of Parker Creek); Warner Mts., Dry Creek Comment
  CAS-BOT-BC179897  Hypericum scouleri Leland S. Smith 1920-7-13 1181 Modoc Crowder Flat. 1432 Comment
  HSC81092  Hypericum scouleri G. M. Riegel 1980-7-29 963 Modoc S Warner Mtns. 2100 Comment
  CHSC516  Idahoa scapigera J. Wakeman 1963-5-11 Modoc Big Valley, along vernal pools. 1158 Comment
  CAS-BOT-BC179105  Iliamna bakeri Leland S. Smith 1922-7-25 1310 Modoc Grouse Mt. 1981 Comment
  CAS-BOT-BC179106  Iliamna bakeri Edward Kent Balls; Percy C. Everett 1952-10-11 20958 Modoc 0.2 mi. SE of crest of Fandango Pass. 1859 Comment
  UC932081  Iliamna bakeri Verne Grant and Alva Grant 1947-7-13 8019 Modoc Fandango Pass Warner Mountains Comment
  UC449780  Ipomopsis aggregata Franklin P. Nutting Modoc near Forestdale Comment
  CAS-BOT-BC190653  Ipomopsis aggregata subsp. aggregata Elmer Ivan Applegate 1932-7-31 7992 Modoc Mill Creek Meadows, W slope of Warner Mts. Comment
  CHSC50766  Ipomopsis congesta Marion Ownbey; Fred G. Meyer 1940-7-1 2133 Modoc Cedar Pass, Warner Mts. Comment
  HSC80879  Ipomopsis congesta G. M. Riegel 1980-8-9 1021 Modoc S Warner Mtns. 1829 Comment
  UC23471  Ipomopsis congesta Milo S. Baker 1893-8-10 Modoc 1219 Comment
  UC449787  Ipomopsis congesta M. F. Gilman 510 Modoc Comment
  CAS-BOT-BC190638  Ipomopsis congesta subsp. palmifrons Annie Montague Alexander; L. Kellogg 1946-6-7 4993 Modoc 15 mi. E of Cedarville. 1737 Comment
  CAS-BOT-BC190640  Ipomopsis congesta subsp. palmifrons Bruce Bartholomew 1991-8-5 6046 Modoc Summit Trail between Squaw Peak and Cottenwood Lake, crest of the Warner Mts. 2470 Comment
  RSA37423  Ipomopsis congesta subsp. palmifrons Marion Ownbey, Fred G. Meyer 1940-7-1 2133 Modoc Cedar Pass, Warner Mountains Comment
  POM75252  Ipomopsis tenuituba Mrs. R. M. Austin 1895-07 449 Modoc Sugar Hill Comment
  SEINET4170726  Iris missouriensis C. L. Hitchcock 1940-5-28 Modoc 15 miles N. of Alturas. 1402 Comment
  UC4304  Iris missouriensis Mrs. R. M. Austin May 1894 Modoc Goose Lake Valley Comment
  UC4305  Iris missouriensis Mrs. R. M. Austin and Bruce Jun 1898 2231 Modoc Goose Lake valley Comment
  RSA59532  Iris missouriensis E. K. Balls 1950-5-20 14806 Modoc 2.1 miles above S Fork Public Camp, aldong S Fork Pit River to Jess Valley 1463 Comment
  CHSC112817  Isatis tinctoria Lowell Ahart; John Dittes 2013-7-25 18962 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
  UC2043246  Isatis tinctoria Barbara Ertter 1995-7-1 14457 Modoc Highway 395 south of New Pine Creek on Oregon border, at junction of County Road 44. Comment
  SEINET6164860  Isoetes howellii M. Lavin, K. Warren 1979-9-2 s.n. Modoc South Warner Wilderness Area, along N edge of N Emerson Lake 2438 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
  RSA210859  Iva axillaris subsp. robustior R. F. Thorne, James Henrickson, C. W. Tilforth 1969-9-4 39124 Modoc N Fork of Pit River 3.4 mi N of Alturas where crossed by Highway 395. 1341 Comment
  UC1567372  Ivesia gordonii G. Schoolcraft 1989-7-16 1965 Modoc e of Patterson Lake; Warner Mountains 2804 Comment
  UC1100957  Juncus balticus Herbert L. Mason and Verne Grant 1947-7-10 13356 Modoc 0.25 mi w Dorris Reservoir (2 mi e of Alturas) Comment
  CAS-BOT-BC245077  Juncus balticus subsp. ater Roxana Stinchfield Ferris; R. Duthie 1919-6-15 152 Modoc Parker Creek. Comment
  JEPS121227  Juncus bufonius var. occidentalis Lowell Ahart, John Dittes 2013-7-24 18930 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-BC245068  Juncus confusus Barrett Anderson 1986-7-10 3187 Modoc West Warner Rd at Mud Springs Flat. 1965 Comment
  CHSC109447  Juncus confusus L. P. Janeway; B. Castro 2012-7-25 10985 Modoc Warner Mountains. Slope along north side of Dismal Swamp. 2216 Comment
  HSC14016  Juncus ensifolius M. T. Milligan 1966-8-3 635 Modoc W slope of Eagle Peak 2439 Comment
  JEPS66985  Juncus ensifolius W. L. Jepson 1918-8-14 7985 Modoc Jess Valley 1584 Comment
  CAS-BOT-BC245058  Juncus hemiendytus var. abjectus Alice Eastwood; John Thomas Howell 1940-6-15 8278 Modoc Near Happy Camp Ranger Station. Comment
  CAS-BOT-BC245045  Juncus longistylis John H. Hatton 1911-6-20 131 Modoc unspecified 1524 Comment
  UC2483  Juncus mexicanus Baker and Nutting Modoc Dixie Valley Comment
  UCD141620  Juncus nevadensis Verne Grant; Irving Schneider 1947-7-22 8149 Modoc Headwaters of North Fork of Pit River, one mile northwest of Highway 395 on dirt road leading to south end of Goose Lake. Comment
  UC1601789  Juncus nevadensis Baker and Nutting 1894-7-12 Modoc Dixie Valley Comment
  UC1601791  Juncus nevadensis Baker and Nutting 1894-1 Modoc Comment
  CHSC100395  Juncus trilocularis Lowell Ahart; John Dittes 2008-8-26 15350 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
  CHSC38995  Juncus trilocularis J. D. Jokerst 1983-7-18 1842 Modoc At edge of meadow, Miller's Flat, NW of town of Aden. East edge of meadow. Comment
  SEINET4856379  Juncus trilocularis Louis C. Wheeler 1935-9-23 4001 Modoc Modoc NF: Pease Flat; Devil's Garden. 1524 Comment
  RSA520442  Juniperus communis var. montana Bruce Bartholomew 1990-6-16 5262 Modoc W side of Pine Creek Basin, Warner Mountains. 2200 Comment
  CAS-BOT-BC81201  Juniperus occidentalis Florence Angwin 1946-5-4 s.n. Modoc Adin Comment
  CAS-BOT-BC81203  Juniperus occidentalis Florence Angwin 1945-10-27 s.n. Modoc Adin Comment
  NY20182  Juniperus occidentalis B. M. Bartholomew 1988-5-13 4142 Modoc This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  LA6642  Juniperus occidentalis Carl Epling; Mrs. Epling 1935-8-15 Modoc Courtwright Comment
  SEINET2029157 Image available Kalmia polifolia L. C. Wheeler 1935-8-4 3776 Modoc Warner Mountains, Pine Creek 2210 Comment
  CAS-BOT-BC225089  Kelloggia galioides Louis Cutter Wheeler 1935-8-14 3836 Modoc Pine Creek. 2011 Comment
  CAS-BOT-BC225092  Kelloggia galioides Leland S. Smith 1922-7-20 1301 Modoc Rush Creek Ranger Station pasture. 1905 Comment
  HSC30200  Kelloggia galioides D. H. Norris, S. Dowty, T. Nelson 1971-6-23 19514 Modoc Big Valley Summit, 6 mi. W of Adin on Hwy. 299 Comment
  UC1037211  Kelloggia galioides Leo Whitney 1934-5-28 1572 Modoc ca 15 mi nw Canby (Spaulding's Butte, Hackamore); Modoc National Forest 1463 Comment
  CAS-BOT-BC247644  Koeleria macrantha Bruce Bartholomew; Barrett Anderson 1990-7-19 5394 Modoc Turner Creek at County Rd 90, N end of Big Valley, 6.4 km N of Lassen County border. 1230 Comment
  UC1024946  Koeleria macrantha Leo Whitney 1935-7-2 3326 Modoc ca 17 mi nw Canby; Badger Wells Comment
  SEINET10598978  Koeleria nitida John S. Shultz 1985-6-23 Shultz 8594 Modoc Modoc Plateau at the western extension of the Great Basin, between Beeler and Duncan reservoirs north of Canby, near Highway 139. Pinus ponderosa-Juniperus occidentalis-Artemisia- Purshia tridentata association; pines laden with lichens. Open area of gravel soils. 1311 Comment
  CHSC99898  Lactuca tatarica subsp. pulchella Lowell Ahart; John Dittes 2008-8-26 15344 Modoc On the banks of Rose Creek, 250 feet southwest of the confluence of Rose Creek and Pit River, on the northwest side of unnamed road, 3,160 feet east of intersection with County Road 85a, 9.3 miles (air) north-northeast of Lookout. 1276 Comment
  JEPS6030  Lagophylla ramosissima Frances D. Payne 1931-6-18 192 Modoc s and e of Alturas Parker Creek; Warner Mountains 1584 Comment
  CAS-BOT-BC497215  Lagophylla ramosissima Margaret J. Williams; Arnold Tiehm; Jan Nachlinger 1988-6-2 88- 28 -8 Modoc Jess Valley, E of Likely, S of roadside rest Comment
  RSA504645  Lagophylla ramosissima Bruce Bartholomew, B. Anderson 1988-6-23 4239 Modoc 2.1 km SSE of Day on the road to State Highway 299. 1020 Comment
  CAS-BOT-BC54065  Lappula redowskii C. C. (Mrs.) Bruce 1894-9-1 34 Modoc Davis Creek. Comment
  CAS-BOT-BC54066  Lappula redowskii R. M. Austin 1894-5-1 Modoc Davis Creek. Comment
  UC78791  Lappula redowskii Mrs. R. M. Austin May 1894 23 Modoc Sugar Loaf Hill Comment
  JEPS64864  Lathyrus brownii N. Mirov 1929-6-16 Modoc Warner Mts. 1615 Comment
  UC1037241  Lathyrus lanszwertii var. aridus Leo Whitney 1935-5-31 3159 Modoc White Horse Comment
  SEINET10936979  Lathyrus nevadensis Billy Joe Cox, David B. Dunn 1971-6-3 Cox 2616 Modoc 4 mi s of davis creek on us hwy 395; in very mesic grassladn sedge meadow; Lupines very sparse and approximately a week or more behind th eflowering of Those near alturas. 1402 Comment
  RSA160015  Lathyrus nevadensis subsp. lanceolatus Clare B. Hardham 1961-6-19 7862 Modoc Pine Creek 1677 Comment
  RSA598727  Lathyrus rigidus Bruce Bartholomew, M. Gilbert, L. Skog 1993-5-10 6441 Modoc Just NE of Davis Creek Cemetery, 1.3 km E of Davis Creek. 1500 Comment
  HSC5919  Layia glandulosa M. T. Milligan 1965-7-1 407 Modoc Plateau W of Jess Valley. 1829 Comment
  POM361659  Layia glandulosa subsp. glandulosa Christopher Davidson 1973-5-24 2109 -a Modoc S of Alturas on Hwy 395 near Likely. 1341 Comment
  RSA604325  Ledum glandulosum L. C. Wheeler 1935-8-4 3777 Modoc Pine Creek, Warner Mts. 2210 Comment
  UC1536809  Lemna minor Gordon H. True Jr. 1939-7-21 1004 Modoc Jack Swamp Comment
  UCD138123  Lemna minor Verne Grant; Irving Schneider 1947-7-19 8064 Modoc corporation ranch; irrigation ditch south of south loop road, south of Alturas. 85 Comment
  CHSC99245  Lemna minuta Lowell Ahart; John Dittes 2008-6-21 15008 Modoc On shallow water 6-8 inches deep, along a deep natural drainage, about 30 yards west of the levee, mountain meadow, in Big Valley about 3.6 miles (air) north of the Headquarters at Ash Creek State Wildlife Area, about 6.4 miles (air) northeast of Bieber. 1269 Comment
  RSA551336  Lemna trisulca Bruce Bartholomew 1992-8-7 6361 Modoc Meadow 2.3 km west of West Warner Road at Soup Creek, west side of Warner Mountains 1720 Comment
  UCD138196  Lemna trisulca Verne Grant; Irving Schneider 1947-7-19 8065 Modoc Corporation ranch; south of south loop road, south of Alturas. Comment
  SJSU9999  Lemna valdiviana H. L. Buckalew 1961-6-21 Modoc Stough (""Stowe"") Reservoir c. 2 mi N of Cedar Pass on the Alturas-Cedarville Rd, Warner Mts 1981 Comment
  CAS-BOT-BC58457  Lepidium campestre Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-13 16467 Modoc 2.6 mi. N of Buck's Creek Ranger Station, E side of Goose Lake. Comment
  CAS-BOT-BC58663  Lepidium chalepense K. Paulson; Robert Paulson 1990-7-21 214 Modoc Patterson Meadow, Warner Mts. Comment
  CAS-BOT-BC58343  Lepidium dictyotum var. dictyotum Harry Dwight Dillon Ripley; Rupert Charles Barneby 1944-6-1 6004 Modoc Valley E of Cedarville. 1219 Comment
  UC881528  Leptodactylon pungens Lewis S. Rose 1940-6-12 40519 Modoc 5 mi e Likely 1524 Comment
  UC106732  Leptodactylon pungens Mrs. Austin Modoc hills e Goose Lake (e of Goose Lake); hills e of Goose Lake Comment
  HSC80889  Leptosiphon ciliatus G. M. Riegel 1979-7-12 508 Modoc S Warner Mtns. 2100 Comment
  RSA164295  Leptosiphon harknessii Clare B. Hardham 1961-6-18 s.n. Modoc Warner Mountains: Cedar Pass. Comment
  RSA318659  Leptosiphon harknessii Margaret J. Williams 1983-7-29 83- 116 -8 Modoc 1.1 mi N of Stowe Reservoir Campground, N of Cedar Pass, Warner Mtns. 2088 Comment
  UC672094  Leucocrinum montanum Mrs. B. A. Crabtree 1926-4-12 2885 Modoc Davis Creek Comment
  SJSU13891  Leucocrinum montanum N. A. Hopkins 1985-5-13 1265 Modoc by Highway 395 c. 30 mi S of Alturas Comment
  UC13773  Leucocrinum montanum Milo S. Baker c. 1893 Modoc Modoc or Lassen County Comment
  CAS-BOT-BC197453  Lewisia nevadensis Bruce Bartholomew 1995-6-3 6953 Modoc 5.1 km W of Goose Lake on Forest Service Road 73 between Goose Lake and Crowder Flat Road. 1580 Comment
  UC7805  Lewisia nevadensis M. S. Baker and Frank Nutting 1894-7-20 Modoc Forestdale 1371 Comment
  UC7804  Lewisia nevadensis Milo S. Baker 1893-6-15 Modoc 1371 Comment
  UC748124  Lewisia pygmaea Annie M. Alexander and Louise Kellogg 1946-7-29 5086 Modoc flat below divide Warner Mountains, Eagle Creek (head of Eagle Creek) Comment
  CAS-BOT-BC197487  Lewisia rediviva Elmer Ivan Applegate 1932-8-1 8036 Modoc Arid summit of Warner Mts. just S of Warren Peak. Comment
  CAS-BOT-BC197497  Lewisia rediviva M. M. Hanna June 4 982 Modoc Cedar Pass Comment
  CAS-BOT-BC248367  Lewisia rediviva B. Bartholomew; H. Sun 2002-6-24 8854 Modoc E of Bald Mt., on the E side of the Warner Mountains 2130 Comment
  UC1031363  Lewisia rediviva R. C. Wilson 1933-6-11 46 Modoc Rush Creek Camp Modoc National Forest, Alturas Quadrangle Comment
  UC1585399  Lewisia rediviva R. Raiche and K. Zadnik 1989-7-4 9021 A Modoc Soldier Creek drainage Warner Mts., Cedar Mt. area, Soldier Creek drainage 1985 Comment
  CAS-BOT-BC21461  Ligusticum grayi Louis Cutter Wheeler 1935-8-16 3882 Modoc Dismal Swamp. 2225 Comment
  CHSC109486  Ligusticum grayi L. P. Janeway; B. Castro 2012-7-25 10979 Modoc Warner Mountains. Slope along north side of Dismal Swamp. 2216 Comment
  UC1101430  Limosella acaulis Verne Grant and Irving Schneider 1947-8-27 8323 Modoc se corner Clear Lake (Nigger Bend Spring); se corner of Clear Lake Comment
  POM228990  Limosella aquatica Louis C. Wheeler 1935-8-14 3856 Modoc Cave Lake, Pine Creek, Warner Mtns. (Mt Diablo Mer.) 2073 Comment
  CAS-BOT-BC498675  Linanthus Clare B. Hardham 1961-6-18 s.n. Modoc Warner Muntains. Cedar Pass Comment
  CAS-BOT-BC198038  Linanthus harknessii Bruce Bartholomew 1991-7-7 6003 Modoc SE end of Sweargart Flat. 1820 Comment
  CAS-BOT-BC198040  Linanthus harknessii John Thomas Howell 1934-6-12 12031 Modoc Plum Valley. Comment
  JEPS46256  Linanthus harknessii F. H. Frost 1925-7-11 13 Modoc 2 mi above Cedarville (Cedar Canyon campsite); Cedar Canyon Comment
  NY1012638  Linanthus harknessii A. Tiehm 1984-6-30 8842 Modoc Northwest side of Bidwell Mountain, 2.8 road miles north of 8 mile creek on the road from Lake Annie 1828.8 Comment
  CAS-BOT-BC198029  Linanthus nuttallii subsp. nuttallii Louis Cutter Wheeler 1935-8-5 3789 Modoc Little Lily Lake, Warner Mts. 2286 Comment
  CDA37693  Linaria dalmatica Robin Breckenridge 2005-6-18 s.n. Modoc New Pine Creek, along Highway 395 near California/Oregon border. 0 Comment
  CAS-BOT-BC229898  Linaria dalmatica subsp. dalmatica Thomas C. Fuller 1963-8-27 11168 Modoc Sugar Hill Planting, Lassen Creek, ca. 6 mi. SE of Willow Ranch. Comment
  CDA36139  Linaria vulgaris CDFA Staff Aug 1985 Modoc Stronghold. 0 Comment
  CAS-BOT-BC179159  Linum lewisii Roxana Stinchfield Ferris; R. Duthie 1919-6-14 96 Modoc Above Parker Cr., 1 mi. above Modoc Nat. Forest Boundary. Comment
  HSC15814  Linum lewisii M. T. Milligan 1964-6-17 39 Modoc 1 mi. N of Hwy. 139 on FS Rd. 44N15 1524 Comment
  HSC15811  Linum lewisii M. T. Milligan 1965-6-26 340 Modoc E slope 1677 Comment
  RSA435718  Linum lewisii Christopher Davidson 1975-6-4 2622 Modoc Ca. 15 mi W. of Alturas on Hwy. 299. 1341 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
  SBBG30509  Linum lewisii var. lewisii D. Myrick 1968-6-20 1972 Modoc 20 mi W of Canby on Hwy 139 1524 Comment
  CAS-BOT-BC242177  Listera convallarioides C. C. (Mrs.) Bruce 1898-1-1 s.n. Modoc Field redacted by CAS, contact the data manager for more information Comment
  UC1586900  Lithophragma Juha Pykala and D. H. Norris 1987-5-28 1192 Modoc Thoms Creek Modoc National Forest, , Thoms Creek (Cedar Pass Campground) 1783 Comment
  CAS-BOT-BC225817  Lithophragma glabrum Bruce Bartholomew; Barrett Anderson 1988-5-12 4112 Modoc S side of Egg Lake. 1300 Comment
  POM260324  Lithophragma glabrum C. L. Hitchcock 1940-5-27 6718 Modoc 15 miles NE of Alturas. 1982 Comment
  RSA59798  Lithophragma glabrum E. K. Balls 1950-5-17 14738 Modoc Howard s Gulch Public Camp, off Hwy. 139. N.W. of Canby. 1433 Comment
  UC190608  Lithophragma parviflorum M. F. Gilman 543 Modoc Comment
  CAS-BOT-BC225837  Lithophragma tenellum Roxana Stinchfield Ferris; R. Duthie 1919-6-14 108 Modoc Slope above Parker Creek, Warner Mts. Comment
  CAS-BOT-BC225842  Lithophragma tenellum Elmer Ivan Applegate 1936-5-2 10202 Modoc Between Indian Well and Caldwell Butte, Lava Beds National Monument. Comment
  HSC26495  Lithophragma tenellum J. P. Smith, J. O. Sawyer 1972-5-6 5260 Modoc USFS Road to Quail Spring at Hwy. 299 N of Adin 1463 Comment
  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
  POM126233  Lithospermum ruderale Franklin P. Nutting s.n. Modoc Forestdale. 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
  CAS-BOT-BC21447  Lomatium bicolor var. leptocarpum R. L. Ward 1976-5-18 s.n. Modoc Pine Spring. 1508 Comment
  CHSC115475  Lomatium bicolor var. leptocarpum L. P. Janeway 2014-7-8 11464 Modoc Modoc Plateau. East corner of Dry Creek Rim; along Road 47N08 (Corral Creek Road) 3.1 road-km north-northwest of Road 48 (along the west edge of Goose Lake). 1650 Comment
  RSA334866  Lomatium bicolor var. leptocarpum A. Tiehm 1984-6-30 8838 Modoc NW side of Bidwell Mt., 2.2 road miles north of 8 mile creek on the road from Lake Annie. 1844 Comment
  SEINET3081248 Image available Lomatium bicolor var. leptocarpum Arnold Tiehm 1984-7-30 8827 Modoc 8.9 road miles NE of Ft. Bidwell on main road to Adel, just past the road summit. 1615 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
  CDA38469  Lomatium dissectum T. C. Fuller 1963-6-11 10646 Modoc Little Meadow Campground, South Fork of the Pit River, 7.9 miles east of Likely. 0 Comment
  CAS-BOT-BC30166  Lomatium dissectum var. multifidum John Thomas Howell 1934-6-13 12072 Modoc Fandango Pass. 1828 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
  UC748409  Lomatium dissectum var. multifidum Annie M. Alexander and Louise Kellogg 1946-7-11 4961 Modoc slope w. of Eight Mile Creek; n.e. corner Modoc Co. Comment
  CAS-BOT-BC30132  Lomatium grayi var. grayi C. C. (Mrs.) Bruce 1899-1-1 2490 Modoc Lake City Mt. 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
  CAS-BOT-BC30149  Lomatium macrocarpum Bruce Bartholomew; M; M. Gilbert; L. E. Skog 1993-5-10 6439 Modoc Just NE of Davis Creek Cemetery, 1.3 km E of Davis Creek. 1500 Comment
  CHSC117772  Lomatium macrocarpum L. P. Janeway 2016-5-19 12095 Modoc Modoc Plateau. Devils Garden area; along Crowder Flat Road (Road 73/48N08) 1.8 road-km south of Road 73/181/47N09; about 1.8 air-km south-southeast of Janes Reservoir. 1548 Comment
  CAS-BOT-BC30148  Lomatium macrocarpum K. Paulson; Robert Paulson 1989-4-16 100 Modoc Crowder Flat Road, Devil's Garden. Comment
  SEINET229583  Lomatium marginatum Gary Schoolcraft 1981-6-6 378 Modoc Ne of Alturas California 1524 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
  POM78180  Lomatium nevadense C. C. Bruce 1895-05 28 Modoc Goose Lake Valley 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-BC15762  Lomatium nevadense var. nevadense Francis Dorris Payne 1932-6-10 627 Modoc Parker Creek. 1584 Comment
  HSC21525  Lomatium nevadense var. parishii Robert C. Wunner 1965-6-10 141 Modoc Lava Beds N.M., E side of Caldwell Butte above Caldwell minor 1463 Comment
  CAS-BOT-BC15729  Lomatium piperi Bruce Bartholomew 1993-4-3 6410 Modoc Just S of Adin Pass on State Hwy 299. 1600 Comment
  SEINET10545662  Lomatium triternatum var. macrocarpum Jeffrey Huber 1971-6-3 Huber 99 Modoc 5 mi. S of Canby on CA Hwy. 299. 1280 Comment
  CAS-BOT-BC21404  Lomatium triternatum var. triternatum Alice Eastwood; John Thomas Howell 1940-6-11 8030 Modoc 8 mi. from Canby on road to Alturas. Comment
  CAS-BOT-BC21424  Lomatium triternatum var. triternatum Alice Eastwood; John Thomas Howell 1940-6-14 8208 Modoc Howards Gulch. Comment
  JEPS5996  Lomatium vaginatum Frances D. Payne 1932-6-10 627 Modoc s. & e. Alutras (Parker Creek); Warner Mts., Parker Creek 1584 Comment
  POM78253  Lomatium vaginatum Mrs. R. M. Austin 1895-05 27 Modoc Goose Lake Valley Comment
  RSA452600  Lomatium vaginatum Christopher Davidson 1975-6-4 2601 Modoc 0.4 miles E of Hwy 395 on Hwy 299 toward Cedarville. 1380 Comment
  UC106268  Lomatium vaginatum Mrs. R. M. Austin 1894-1 74 Modoc Goose Lake Valley Comment
  RSA149057  Lomatium vaginatum I. L. Wiggins, Dorothy Wiggins 1961-6-13 16473 Modoc Roadside 2.4 mi. S of village of Davis Creek, SE side of Goose Lake. Comment
  JEPS12822  Lonicera interrupta Milo S. Baker 1894-8-13 Modoc Comment
  HSC80929  Lonicera involucrata var. involucrata G. M. Riegel 1980-8-20 990 Modoc S Warner Mtns. 2100 Comment
  CAS-BOT-BC181949  Lotus nevadensis var. nevadensis Leland S. Smith 1924-6-15 1408 Modoc Rocky sage flat S of Happy Camp Mt. 1310 Comment
  CAS-BOT-BC498664  Lupinus C. L. Hitchcock 1940-5-27 6676 Modoc 15 mi NE of Alturas 1615 Comment
  RSA534615  Lupinus Bruce Bartholomew, B. Anderson 1989-6-3 4914 Modoc 5 km W of County Route 91 along the N side of the Pit River. 1340 Comment
  CAS-BOT-BC181917  Lupinus arbustus Lindsay Stuart Smith; E. H. Steffen 1917-6-10 38 Modoc Jess Valley. 1524 Comment
  CAS-BOT-BC181920  Lupinus arbustus Elmer Ivan Applegate 1929-6-24 5890 Modoc Between Adin and Canby, upper Pit River region. Comment
  CAS-BOT-BC498680  Lupinus arbustus Mrs. H. C. Cantelow 1941-5-22 s.n. Modoc 2 mi E of Adin Summit (elevation at summit = 5173 ft) Comment
  POM298384  Lupinus arbustus subsp. calcaratus H. C. Cantelow 1940-6-1 s.n. Modoc Cedar Pass, Warner Mountains, east of Alturas. Comment
  CAS-BOT-BC182192  Lupinus argenteus John Thomas Howell 1934-6-13 12088 Modoc Surprise Valley, 3.5 mi. S of Lake City. Comment
  UC527344  Lupinus argenteus C. B. Wolf 1931-9-4 2398 Modoc Canby 1325 Comment
  CAS-BOT-BC182189  Lupinus argenteus James Vale; K. Wagnon; Walter Knight; Irja Knight 1981-5-23 4133 Modoc Bank of Pit River between Canby and Adin, Hwy 299. 1371 Comment
  SEINET10490484  Lupinus argenteus subsp. argenteus H. P. Bracelin 1931-6-30 Bracelin 500 Modoc Open field at s end of town. Bush 2 ft high; redish purple flower 1524 Comment
  SEINET10936563  Lupinus argenteus subsp. argenteus H. Dearing, M. Dearing 1939-7-7 Dearing 3575 Modoc W of canby Comment
  NY736760  Lupinus argenteus var. argenteus H. P. Bracelin 1931-6-30 500 Modoc Alturas 1524 Comment
  CAS-BOT-BC182081  Lupinus argenteus var. heteranthus Alice Eastwood; John Thomas Howell 1940-6-12 8060 Modoc Between Likely and Jess Valley Comment
  CAS-BOT-BC182084  Lupinus argenteus var. heteranthus Alice Eastwood; John Thomas Howell 1940-6-14 8234 Modoc Near Hackamore. Comment
  CAS-BOT-BC182091  Lupinus argenteus var. heteranthus C. P. Smith 1947-6-13 47454 Modoc Highway 395, Davis Creek (town), 6.4 mi. S. Comment
  CAS-BOT-BC182094  Lupinus argenteus var. heteranthus Bruce Bartholomew; Barrett Anderson 1990-7-21 5572 Modoc N Barber Creek, road from Surprise Valley to Patterson Ranger Station, E side of Warner Mts. 1710 Comment
  CAS-BOT-BC182102  Lupinus argenteus var. heteranthus Annie Montague Alexander; L. Kellogg 1946-6-30 4869 Modoc Highgrade, W side of ridge N end of Warner Mts. 1484 Comment
  HSC104006  Lupinus argenteus var. heteranthus L. Ahart, John Dittes 2011-6-22 17556 Modoc Ten air mi. E of Lookout, Big Valley; 7.7 air mi. W of Adin, 1.1 air mi. S of County Rd. 87, north edge of Ash Creek Floodplain, ~100 yds. NE of the Pilot Butte parking lot 1265 Comment
  NY736941  Lupinus argenteus var. heteranthus B. M. Bartholomew 1990-6-17 5298 Modoc Along Emerson Creek, 3.9 km southwest of County Road 1, east side of Warner Mountains 1700 Comment
  CAS-BOT-BC182079  Lupinus argenteus var. heteranthus R. M. Austin 1884-8-1 219 Modoc Hills. Comment
  UC126981  Lupinus argenteus var. heteranthus Mrs. R. M. Austin and Bruce Jul 1898 2143 Modoc 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-BC181891  Lupinus brevicaulis Bruce Bartholomew 1991-6-22 5843 Modoc E side of Surprise Valley, 9.6 km E of Eagleville at the Nevada border. 1520 Comment
  SEINET10485028  Lupinus burkei David B. Dunn, Billy Joe Cox; Lewis S. Fleak 1970-6-8 Dunn 16946 Modoc 1 mi. N of davis creek on us hwy 395. On road cut in grassland. Comment
  CAS-BOT-BC181881  Lupinus latifolius Roxana Stinchfield Ferris; R. Duthie 1919-6-14 1476 Modoc Parker Creek at Modoc Nat. Forest boundary. Comment
  HSC14853  Lupinus latifolius M. T. Milligan 1964-7-20 155 Modoc N end of Jess Valley, near Mill Creek. 1677 Comment
  CAS-BOT-BC181872  Lupinus lepidus var. lobbii Bruce Bartholomew 1990-8-4 5645 Modoc Top of pass on Summit Trail, ca. 0.5 km SE of Patterson Lake, E side of Warner Mts. 2800 Comment
  CAS-BOT-BC181835  Lupinus microcarpus var. microcarpus Bruce Bartholomew 1993-6-14 6664 Modoc 4 km E of County Road 114 on County Road 108, NW of Clear Lake Reservoir. 1400 Comment
  CAS-BOT-BC181843  Lupinus microcarpus var. microcarpus Bruce Bartholomew 1990-6-18 5368 Modoc SW side of Goose Lake, 2 km N of McGinty Point. 1420 Comment
  UC1584000  Lupinus microcarpus var. microcarpus G. Schoolcraft 1990-6-6 2076 Modoc about 10 mi n Alturas (near Joseph Creek); n of Alturas near Joseph Creek 1447 Comment
  UC1736638  Lupinus microcarpus var. microcarpus Dean Wm. Taylor with Robert A. Price 1988-6-4 9758 Modoc Tule Lake Basin; Dobie Flat, 2.6 miles S10 E of Casuse Mountain, 1280 Comment
  NY747605  Lupinus polyphyllus var. saxosus B. M. Bartholomew 1988-5-14 4194 Modoc 1.3 km south of turn off to Crowder Flats West Side Road, west side of Goose Lake. 1410 Comment
  CAS-BOT-BC181815  Lupinus saxosus Gordon H. True 1964-6-3 1428 Modoc Between Alturas and Goose Lake, North fork Pit River. 1432 Comment
  SEINET10838289  Lupinus saxosus Billy Joe Cox, David B. Dunn 1971-6-3 Cox 2617 Modoc 4 mi s of davis creek on u.s. Hwy. 395; In very mesic grassland-sedge meadow; Lupines very sparse and approximately a week or more behind the flowering of Those near alturas. 1402 Comment
  HSC25990  Lupinus sellulus var. sellulus D. H. Norris, T. Nelson, S. Dowty 1971-6-23 19513 Modoc Big Valley Summit, 6 mi. W of Adin on Hwy. 299 Comment
  CDA19943  Lycium barbarum D. Kratville 2002-6-19 PDR 1204560 Modoc Northern California; Center of Alturas on Hwy 395. 0 Comment
  UC1191828  Lycopus asper Herbert L. Mason 1947-8-11 13490 Modoc w. margin Lower Lake (on Hwy. 81, near boundary between Lassen & Modoc Co.'s) Comment
  JEPS121223  Lythrum tribracteatum Lowell Ahart, John Dittes 2013-7-24 18914 Modoc N side of Ash Creek Floodplain, 0.54 air miles SE of Pilot Butte parking area, 1.1 air miles S of County Road 87, 6.8 air miles W of Adin, Big Valley. Comment
  RSA0016026  Lythrum tribracteatum L. Ahart, John Dittes 2010-8-30 17055 Modoc North side of a small wash, about 10-15 yards west of the fence, south edge of the meadow, Ash Creek State Wildlife Area, 2300 feet north of Lassen County Line, about 3.6 air miles west of Adin, about 8 air miles northeast of Bieber, Big Valley. 1268 Comment
  UCD102949  Lythrum tribracteatum Herbert L. Mason; Verne Grant 1947-7-10 13324 Modoc Dorris Reservoir, 2 miles east of Alturas. Comment
  CAS-BOT-BC49426  Madia citriodora John Thomas Howell 1934-6-11 11923 Modoc Parker Creek, Warner Mountains 1584 Comment
  RSA149123  Madia elegans subsp. vernalis I. L. Wiggins, Dorothy Wiggins 1961-6-16 16526 Modoc 4.6 miles north of Adin Comment
  CAS-BOT-BC49438  Madia exigua John Thomas Howell 1934-7-1 12325 Modoc Duncan Horse Camp, 6 mi. E of Perez. 1355 Comment
  CAS-BOT-BC49439  Madia exigua Bruce Bartholomew 1990-6-18 5381 Modoc Turner Creek at County Rd 90, N end of Big Valley, 6.4 km N of Lassen County border. 1230 Comment
  CAS-BOT-BC49442  Madia exigua David Daniels Keck; Jens Chr. Clausen 1935-6-24 3718 Modoc 9 mi. S. of New Pine Creek & 0.5 mi N of Buck's Ranger Station. 1524 Comment
  CAS-BOT-BC49405  Madia glomerata Margaret J. Williams 1983-7-29 83- 116 -2 Modoc 1.1 mi. N of Stowe Reservoir Campground, N of Cedar Pass, Warner Mtns. Comment
  CAS-BOT-BC49406  Madia glomerata Francis Dorris Payne 1934-8-1 Modoc Parker Creek. 1584 Comment
  UC159286  Madia glomerata Mrs. M. H. Manning 741 Modoc Joseph Creek Joseph Creek (ne Modoc County) Comment
  SEINET11601384 Image available Madia glomerata M. J. Williams 1983-7-29 83- 116 -2 Modoc 1.1 mi N of Stowe Reservoir Campground, N of Cedar Pass, Warner Mtns 2088 Comment
  UC71593  Madia glomerata Mrs. M. H. Manning 474 Modoc Either Alturas of Fort Bidwell Either Alturas of Fort Bidwell (ne Modoc County) Comment
  UC71798  Madia glomerata Mrs. M. H. Manning August 1904 252 Modoc meadows near, ne Modoc County Fort Bidwell Comment
  CAS-BOT-BC49425  Madia gracilis Bruce Bartholomew 1991-7-6 5957 Modoc 2 km above Lower Rush Creek Campground along Rush Creek. 1500 Comment
  JEPS5969  Madia gracilis Frances D. Payne 1935-8-25 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  RSA603741  Mahonia repens L. C. Wheeler 1935-8-14 3838 Modoc Pine Creek. Warner Mtns. 2011 Comment
  CAS-BOT-BC242038  Maianthemum racemosum C. L. Hitchcock 1940-5-27 6681 Modoc 15 mi. NE of Alturas. 1615 Comment
  CAS-BOT-BC242168  Maianthemum stellatum Roxana Stinchfield Ferris; R. Duthie 1919-6-14 153 Modoc Parker Creek, 14 mi. from Alturas. Comment
  UC1099807  Marsilea Herbert L. Mason and Verne Grant 1947-7-10 13350 Modoc 2 mi e Alturas (Dorris Reservoir) 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
  JEPS119672  Matricaria discoidea Lowell Ahart, John Dittes 2012-7-12 18353 Modoc In the parking area on the east side of Elkins Lane, northeast of homestead, about 300 yards north of the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. Comment
  JEPS65520  Medicago lupulina Frances D. Payne 1931-6-17 178 Modoc s and e of Alturas (Warner Mountains, Parker Creek); Warner Mountains, Parker Creek 1584 Comment
  CAS-BOT-BC181804  Medicago sativa Bruce Bartholomew 1995-8-1 7128 Modoc 4.7 km N of turn off to Cedarville on U.S. Hwy 395. 1380 Comment
  CAS-BOT-BC247626  Melica bulbosa John H. Hatton 1911-6-9 5 Modoc unspecified Comment
  CAS-BOT-BC179863  Mentha arvensis Bruce Bartholomew 1989-8-11 5056 Modoc Along W side of Goose Lake, 12.4 km N of McGinty Point on National Forest Road 48. 1430 Comment
  CHSC106325  Mentha arvensis Lowell Ahart; John Dittes 2010-8-31 17114 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
  JEPS63462  Mentha canadensis W. L. Jepson 1918-8-11 7944 Modoc Jess Valley 1584 Comment
  POM70715  Mentha canadensis Mrs. R. M. Austin 1895-08 s.n. Modoc Goose Lake Valley Comment
  UC634865  Mentha canadensis F. H. Frost Modoc Jess Valley; Warner Mts., Jess Valley Comment
  UC1563685  Mentzelia dispersa Barbara Ertter 1988-6-18 7608 Modoc NE Dry Lake (W side hwy 139 just S of where it crosses railroad at jct to Clear Lake,); E of lava Beds Nat'l Monument 1249 Comment
  POM84012  Mentzelia dispersa R. M. Austin 1895-08 100 Modoc Goose Lake Valley 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-BC170843  Mentzelia veatchiana Ira L. Wiggins; Dorothy B. Wiggins 1961-6-12 16439 Modoc Sunny hillsdie 4 mi. E of summit of Cedar pass, along Cedar Pass Road Comment
  HSC3716  Mertensia ciliata var. stomatechoides M. T. Milligan 1965-6-30 396 Modoc Slopes and ridges E of Jess Valley 1768 Comment
  CAS-BOT-BC54049  Mertensia longiflora Fred D. Douthitt 1916-4-20 4 Modoc Flournoy Swale. 1828 Comment
  JEPS90178  Mertensia oblongifolia var. nevadensis Dean W. Taylor 1992-5-8 12560 Modoc 0.5 mi e of Moonlite Mines (Warner Mountains, Mount Bidwell); Warner Mountains, Mount Bidwell 2432 Comment
  RSA550545  Mertensia oblongifolia var. oblongifolia Bruce Bartholomew 1992-5-15 6301 Modoc Tamarack Flat, E side of the Warner Mountains., (41 53 10 N, 120 13 38 W) 2160 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
  CHSC118311  Micranthes nidifica L. P. Janeway 2016-5-18 12075 Modoc Modoc Plateau. Devils Garden area; Island Meadow, along Road 47N08 2.1 road-km north of Road 73/181/47N09. 1606 Comment
  UC485590  Microseris laciniata subsp. laciniata Franklin P. Nutting Modoc near Egg Lake Comment
  CAS-BOT-BC197900  Microsteris gracilis Bruce Bartholomew 1992-5-16 6339 Modoc Burned area along County Road 91, ca. 2.5 km S of turn off to Happy Camp Ranger Station. 1390 Comment
  UCSB27157  Microsteris gracilis Wilken, Dieter 1969-7-28 Modoc Mill Creek Falls; near Clear Lake; east of Likely; Warner Mtns 1767 Comment
  UC1586882  Mimulus cusickii Juha Pykala and D. H. Norris 1987-5-27 1040 Modoc between Lower Rush Creek Campground and Upper Rush Creek Campground; Modoc National Forest 1500 Comment
  UCD122533  Mimulus cusickii S. E. Schoenig 1998-7-4 98- 67 Modoc N side of Granger Cyn. Rd.,1.5 mi W of Surprise Valley Rd. This intersection being 3.7 miles S of Hwy 299 at Cederville. 1493 Comment
  JEPS127151  Mimulus guttatus Lowell Ahart, John Dittes 2016-7-16 21238 Modoc 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. Comment
  RSA210887  Mimulus guttatus Robert F. Thorne, James Henrickson, C. W. Tilforth 1969-9-4 39094 Modoc N Fork of Pit River 3.4 mi N of Alturas where crossed by Highway 395. 1341 Comment
  RSA59437  Mimulus guttatus E. K. Balls 1950-5-10 14602 Modoc Menlo Baths, west of Lower Alkali Lake. 1433 Comment
  UC711826  Mimulus guttatus Roxana S. Ferris and Laura Lorraine 1941-8-13 10539 Modoc Patterson Ranger Station, East Creek drainage Warner Mountains, Modoc National Forest 2164 Comment
  UCR34706  Mimulus guttatus J. A. Harpel 1981-8-6 V 30 Modoc Warner Mtns, South Warner Wilderness Area: E end of Patterson Lake, 7 mi NW of Eagleville 2744 Comment
  UCD122658  Mimulus guttatus Verne Grant; Irving Schneider 1947-7-19 8070 Modoc south of south loop road, on Corporation Ranch, north of Likely. Comment
  CAS-BOT-BC234527  Mimulus lewisii Elmer Ivan Applegate 1932-8-7 8232 Modoc Lily Lake. Comment
  CDA35646  Mimulus lewisii J. R. Keck Jr. 1985-7-11 PDR# 330135 Modoc Davis Creek, Modoc National Forest. Comment
  JEPS10992  Mimulus lewisii L. S. Smith 1917-7-29 884 Modoc Mill Creek warner Mts. 1981 Comment
  UC1063132  Mimulus microphyllus R. C. Wilson 1933-6-4 39 Modoc Rush Creek Modoc National Forest, Canby Quadrangle Comment
  UC748171  Mimulus nanus var. nanus Annie M. Alexander and Louise Kellogg 1946-7-24 5075 Modoc Horse Mountain Warner Mountains Comment
  RSA530122  Mimulus pygmaeus D. W. Taylor, Glenn Clifton, Rexford Palmer, Roy Buck 1987-6-6 9016 Modoc Egg Lake, in ephemeral creek draining to Kramer Reservoir, about 120 m upstream from the culvert of Forest Road. 1290 Comment
  POM260886  Mimulus suksdorfii Alice Eastwood, John T. Howell 1940-6-15 8276 Modoc Near Perez Comment
  RSA584831  Mimulus suksdorfii Bruce Bartholomew 1993-6-13 6636 Modoc Consolidated sand dunes just W of Leonard Hot Spring; E side of Surprise Valley. 1410 Comment
  RSA93427  Mimulus suksdorfii Milo S. Baker 1936-6-14 8313 Modoc Sink along Hwy to Canby. Several miles north of Quarantin Station. Comment
  UC465889  Minuartia douglasii Franklin P. Nutting Modoc Big Valley Mts. Comment
  HSC68105  Minuartia nuttallii J. P. Smith, J. O. Sawyer 1973-8-8 7213 Modoc Near summit of Eagle Peak 2988 Comment
  RSA165438  Minuartia nuttallii subsp. gracilis Clare B. Hardham 1961-6-20 7886 Modoc Bidwell Road to Dismal Creek. 2439 Comment
  CAS-BOT-BC225808  Mitella pentandra Bruce Bartholomew 1994-7-2 6784 Modoc 5.0 km SE of Joseph Creek Basin on the W side of the Warner Mountains. 1930 Comment
  RSA149075  Mitella pentandra I. L. Wiggins, Dorothy B. Wiggins 1961-6-14 16489 Modoc 6.4 mi. S of Lassen Creek Campground along road to Buck Mtn, Warner Mtns. Comment
  SEINET6167748  Mitella pentandra A. Sanger 1996-7-12 2415 Modoc Joseph Creek, 1 mile southwest of Bald Mountain, end of road 1999 Comment
  SFV18058  Monardella odoratissima 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-BC179853  Monardella odoratissima subsp. glauca Mona Bourell; Robert Patterson 1993-8-15 5254 Modoc Warner Mountains. Along trail from Patterson Lake to ca. 2 mi north towards Pepperdine Trailhead. 2743 Comment
  CHSC109746  Monardella odoratissima subsp. glauca B. Castro; L. P. Janeway 2012-7-26 1970 Modoc Warner Mountains. Top of Yellow Mountain; topmost part and western edge (at the edge of a steep dropoff to the northwest). 2453 Comment
  POM260798  Monardella odoratissima subsp. glauca Alice Eastwood, J. T. Howell 1940-6-13 8175 Modoc East side of Cedar Pass Comment
  CDA33296  Monardella odoratissima subsp. odoratissima Jim Jokerst 1990-8-1 3206 Modoc Lava Beds National Monument; summit and upper west-facing slope of Caldwell Minor near Eastern edge of monument boundary. Comment
  CAS-BOT-BC179360  Monardella odoratissima subsp. pallida Bruce Bartholomew 1991-8-6 6079 Modoc Emerson Trail at junction with S Emerson trail, E side of Warner Mts. 2160 Comment
  UC25509  Monardella odoratissima subsp. pallida Milo S. Baker 1893-6-20 Modoc At Egg Lake Comment
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Oct 10 2006
  SEINET3996536 Image available Monardella odoratissima var. ovata Annie M. Alexander, Louise Kellogg 1946-7-23 5060 Modoc Warner Mountains; east slope of Emerson Peak Comment
  JEPS59835  Monolepis nuttalliana Frances D. Payne 1932-7-10 696 Modoc s. and e. of Alturas; Warner Mts., Parker Creek 1584 Comment
  SD61020  Monolepis nuttalliana Darley F. Howe 1964-7-31 3903 Modoc 10.2 miles from entrance to Modoc National Forest on road east of Likely, Warner Mountains. 1830 Comment
  CAS-BOT-BC197525  Montia chamissoi Alice Eastwood; John Thomas Howell 1940-6-12 8076 Modoc Between Likely and Jess Valley. Comment
  UC71835  Montia chamissoi Mrs. M. H. Manning 1903-5-1 115 Modoc near Fort Bidwell (in north-eastern Modoc Count) Comment
  UC7866  Montia linearis Mrs. R. M. Austin 1894-1 Modoc Northern California, Modoc County Northern California; , Modoc County Comment
  CAS-BOT-BC247567  Muhlenbergia filiformis Clare Butterworth Hardham 1974-8-6 20177 Modoc Cedar Pass. 1935 Comment
  JEPS69318  Muhlenbergia filiformis L. S. Smith 1917-9-5 150 Modoc Bidwell Creek Warner Mts. 2164 Comment
  UCD86774  Muhlenbergia jonesii Leo Whitney 1935-8-15 3622 Modoc U.S.B.E. - R. S. -6. Comment
  SEINET182275 Image available Muhlenbergia richardsonis L. C. Wheeler 1935-8-21 3901 Modoc Pine Springs Devils Garden 1524 Comment
  CAS-BOT-BC217297  Myosurus minimus Bruce Bartholomew; Barrett Anderson 1989-4-28 4654 Modoc 11 km N of State Highway 299 and ca. 1 km S of Raker & Thomas Reservoir. 1500 Comment
  CHSC117847  Myosurus minimus L. P. Janeway 2016-5-16 11998 Modoc Modoc Plateau. Devils Garden area; along Road 46N05A (Applegate Trail Southern Route) 0.3 km west of Road 46N02; 2.4 air-km east-southeast of Green Tank Reservoir and Green Spring Reservoir. 1569 Comment
  CDA37314  Myriophyllum sibiricum B. Villegas 2008-7-24 s.n. Modoc Alturas; Modoc National Wildlife Refuge; Dorris Canal. 0 Comment
  CHSC114295  Myriophyllum sibiricum B. Villegas 2008-7-24 Modoc Alturas; Modoc National Wildlife Refuge; Dorris Canal. Comment
  JEPS120885  Najas flexilis Lowell Ahart, John Dittes, Todd Sloat 2013-6-8 18764 Modoc About 300 yards NE of Parking Area, NE of the old barn, Ash Creek Wildlife Area, about 3.9 air miles W of Adin, about 7.7 air miles NE of Bieber. Big Valley. Comment
  CAS-BOT-BC179316  Nama densa Bruce Bartholomew 1991-5-24 5716 Modoc Surprise Valley, 7.7 km NE of County Rd. 37 on County Rd. 38, at the Nevada State boundary. 1370 Comment
  CAS-BOT-BC198018  Navarretia breweri Mrs. H. C. Cantelow 1940-6-2 4146 Modoc 10 mi. NW of Canby, road to lava beds. Comment
  CAS-BOT-BC198022  Navarretia breweri Bruce Bartholomew 1990-6-18 5384 Modoc Turner Creek at County Rd 90, N end of Big Valley, 6.4 km N of Lassen County border. 1230 Comment
  SEINET195715  Navarretia breweri Annie M. Alexander, Louise Kellogg 1946-7-7 4933 Modoc Eight Mile Creek, northeast corner of county 1753 Comment
  UC23411  Navarretia breweri M. S. Baker and Frank Nutting 1894-6-29 Modoc Big Valley Comment
  UC526151  Navarretia breweri John Thomas Howell 1934-6-12 11988 Modoc 9 mi s Davis Creek Comment
  UC748263  Navarretia breweri Annie M. Alexander and Louise Kellogg 1946-7-7 4933 Modoc Eight Mile Creek, ne corner of Modoc Co. Eight Mile Creek 1752 Comment
  RSA520380  Navarretia breweri Bruce Bartholomew, B. Anderson 1989-6-1 4761 Modoc S end of Goose Lake. 1460 Comment
  UC1058213  Navarretia breweri C. McMillan 1949-6-16 1537 Modoc 3 mi s Crowder Flat (35 mi n of Canby) Comment
  CAS-BOT-BC198007  Navarretia divaricata subsp. divaricata Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10556 Modoc Patterson Ranger Station (East Creek drainage), Warner Mts. 2164 Comment
  RSA165577  Navarretia divaricata subsp. vividior Clare B. Hardham 1961-6-19 7518 -A Modoc Warner Mountains: Lava fields; Willow Creek. Comment
  UC1540173  Navarretia intertexta Dean W. Taylor 1987-8-9 9287 Modoc Clear Lake Reservoir, on shore 100 meters W of dam Northeastern California 1371 Comment
  CAS-BOT-BC197990  Navarretia intertexta subsp. intertexta Barrett Anderson 1986-7-9 3133 Modoc Roney Flat Rd just off Hwy 299. 1435 Comment
  CAS-BOT-BC197975  Navarretia intertexta subsp. propinqua Roxana Stinchfield Ferris; L. Lorraine 1941-8-14 10604 Modoc 8.5 mi. from Patterson Ranger Station on Eagleville road, Warner Mts. Comment
  CAS-BOT-BC197976  Navarretia intertexta subsp. propinqua Bruce Bartholomew; Barrett Anderson 1990-7-19 5433 Modoc Sweagert Flat. 1860 Comment
  UC526146  Navarretia intertexta subsp. propinqua John Thomas Howell 1934-6-15 12199 Modoc 2 mi e Alturas; Dorris Reservoir Comment
  UC711866  Navarretia intertexta subsp. propinqua Roxana S. Ferris and Laura Lorraine 1941-8-14 10604 Modoc 8.5 mi from Patterson Ranger Station (on Eagleville road); Warner Mountains, Modoc National Forest Comment
  CAS-BOT-BC197961  Navarretia leucocephala subsp. minima M. Vasey 1990-6-30 9041 Modoc Near Curtiss Waterhole, NW of Egg Lake. 1300 Comment
  UC1191628  Navarretia leucocephala subsp. minima Herbert L. Mason 1947-8-8 13456 Modoc nw of Alturas (n of Big Sage Reservoir); Ingalls Swamp Comment
  UC932007  Navarretia sinistra Verne Grant, Alva Grant 1947-7-13 8015 Modoc Fandango Pass Warner Mountains, Fandango Pass Comment
  POM520383  Navarretia sinistra Bruce Bartholomew, B. Anderson 1990-7-21 5588 Modoc Bear Flat, W side of Warner Mts, Ranger Station, Station, E side of Warner Mts. 1830 Comment
  UC1178999  Nemophila pedunculata Herbert L. Mason 1947-7-8 13313 Modoc Cedar Pass , Cedar Pass (summit Warner Range) 1920 Comment
  POM260321  Nemophila pedunculata C. L. Hitchcock 1940-5-27 6684 Modoc 15 miles northeast of Alturas. 1616 Comment
  RSA271928  Nemophila pedunculata Christopher Davidson 1975-6-4 2625 Modoc 0.8 miles east of Upper Rush Creek Camp on dirt road off Highway 299 ca. 7 miles west of Adin. Seepage area to left of road. 1662 Comment
  RSA59853  Nestotus stenophyllus E. K. Balls 1950-5-13 14673 Modoc W shore of Goose Lake, 0.2 mile S of Oregon-Calif. state line. 1463 Comment
  CAS-BOT-BC349919  Nothocalais troximoides Lillian Mott 1976-5-29 7 LM76 Modoc Devils Garden, north of Alturas 1402 Comment
  SEINET230068 Image available Nuphar lutea subsp. polysepala Leila M. Shultz, John S. Shultz 1985-1 8600 Modoc South fork of the Pit River, at crossing 14 mi N. of Likely 1372 Comment
  CAS-BOT-BC190808  Oenothera elata subsp. hirsutissima Mrs. M. H. Manning 1904-7-1 209 Modoc Fort Bidwell. Comment
  JEPS31479  Oenothera flava subsp. flava Frances D. Payne 1930-7-21 222 Modoc ridge w Dry Creek (northern tributary of Parker Creek) (s and e of Alturas, base of cliffs); Warner Mountains 1981 Comment
  UC117100  Olsynium douglasii var. douglasii Mrs. R. M. Austin May 1894 11 Modoc Goose Lake Val. Comment
  UC190690  Olsynium douglasii var. douglasii M. F. Gilman 581 Modoc Modoc Co. Hills 1676 Comment
  UCD134664  Onopordum acanthium T. C. Fuller 1959-7-8 2795 Modoc south side of 4th Street, east of East Street, Alturas. Comment
  CHSC112843  Onopordum acanthium subsp. acanthium Lowell Ahart; John Dittes 2013-7-24 18945 Modoc South high bank of Ash Creek Canal, south of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. 1272 Comment
  HSC16680  Orobanche corymbosa M. T. Milligan 1966-8-3 642 Modoc W slope of Eagle Peak 2134 Comment
  CHSC67570  Orobanche fasciculata James D. Jokerst 1983-5-31 1811 Modoc Near Hwy. 395 S of Alturas at the base of the upper ramparts of the butte just S of Signal Butte. 1341 Comment
  HSC80905  Orobanche fasciculata G. M. Riegel 1980-6-30 780 Modoc S Warner Mtns. 1829 Comment
  CAS-BOT-BC190783  Orobanche uniflora Edward Kent Balls 1950-5-18 14756 Modoc N of Upper Rush Creek Public Camp, 2.5 mi. E of Hwy 299. 1737 Comment
  JEPS79136  Orobanche uniflora subsp. occidentalis L. R. Heckard with Rimo Bacigalupi 1980-6-11 5238 Modoc Junction of Parker Creek and Shields Creek roads, ca. 10 air miles southeast of Alturas. Comment
  CHSC109451  Orthilia secunda B. Castro; L. P. Janeway 2012-7-24 1945 Modoc Warner Mountains. Along Forest Road/County Road 2 (the road from New Pine Creek to Fort Bidwell) 0.9 air mi east of Lily Lake and 1.1 air mi southwet of Dismal Swamp. 2250 Comment
  CAS-BOT-BC248325  Orthocarpus cuspidatus B. Bartholomew; H. Sun 2002-6-24 8822 Modoc S end of Sweagert flat ca. 15.3 straight line km WNW of Aden 1820 Comment
  CAS-BOT-BC232318  Orthocarpus cuspidatus subsp. copelandii Bruce Bartholomew; Barrett Anderson 1990-7-20 5462 Modoc 4 km N of Buck Creek Ranger Station at turn off to Del Prat Spring, W side of Warner Mts. 1900 Comment
  CAS-BOT-BC232322  Orthocarpus cuspidatus subsp. copelandii Francis Dorris Payne 1932-6-26 614 Modoc Parker Creek. 1584 Comment
  CHSC70481  Orthocarpus cuspidatus subsp. cryptanthus A. Sanger 1996-7-12 2409 Modoc S of Paynes Peak, in bench below tower. 2182 Comment
  JEPS66443  Orthocarpus cuspidatus subsp. cryptanthus L. R. Heckard and P. Rubtzoff 1971-8-3 2704 Modoc at junction of Soldier Creek and Old Cannon Mill rds 2 mi n of summit (e) Cedarville Pass; Warner Mts. 1859 Comment
  UCSB22505  Orthocarpus luteus Hardham, Clare 1961-6-18 Modoc 3 miles southeast of Cedar Pass, Warner Mts. Comment
  HSC80794  Osmorhiza berteroi G. M. Riegel 1980-7-1 800 Modoc South Warner Mountains 1670 Comment
  CAS-BOT-BC15735  Osmorhiza chilensis John Thomas Howell 1934-6-11 11970 Modoc Parker Creek. 1584 Comment
  UC735038  Osmorhiza depauperata Lincoln Constance 1946-7-4 3104 Modoc Deep Creek 3.4 mi below summit; Warner Mountain 1828 Comment
  CHSC100838  Oxyria digyna L. P. Janeway 2008-8-17 9568 Modoc Warner Mountains. North slope of Bald Mountain; just below the cliffs at the top of the peak. 2400 Comment
  JEPS57961  Oxyria digyna W. L. Jepson 1918-8-13 7977 Modoc Eagle Peak; Warner Mts., Eagle Peak 3017 Comment
  JEPS57972  Oxyria digyna Frances D. Payne 1931-6-29 304 B Modoc e slope Mt. Warren; Warner Mountains, e slope of Mt. Warren 2286 Comment
  HSC67898  Packera cana J. P. Smith, J. O. Sawyer 1973-8-8 7240 Modoc S slopes of Eagle Peak 2561 Comment
  HSC6112  Packera eurycephala M. T. Milligan 1964-6-6 13 Modoc N side of Dorris Reservoir along shore 1372 Comment
  CAS-BOT-BC50277  Packera eurycephala var. eurycephala John Thomas Howell 1934-6-11 11915 A Modoc Parker Creek. 1584 Comment
  JEPS27161  Paeonia brownii Lauramay T. Dempster 1961-6-19 1704 Modoc e Davis Creek (town) (headwaters of creek); South Fork of Davis Creek 2286 Comment
  JEPS52292  Paeonia brownii Wayne Roderick 1963-6-9 Modoc about 1/2 mi above campground on east side of pass; Cedar Pass 1981 Comment
  CAS-BOT-BC247557  Panicum capillare Louis Cutter Wheeler 1935-9-13 3984 Modoc Fletcher Creek. 1524 Comment
  CHSC115593  Panicum capillare Lowell Ahart; John Dittes 2015-7-16 20392 Modoc North edge of Ash Creek (destroyed), southeast of the gravel pit (destroyed), about 1/8 mile east of the parking area on the east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  UC1131602  Panicum capillare Leo Whitney 1935-8-24 22452 Modoc near Alturas; Canby Quad., near Alturas Comment
  UCD14405  Panicum capillare Sheryl Gill 1996-9-3 s.n. Modoc At the Tule Lake National Wildlife Refuge - 'Frey's Island' Sites D, E, and F; in the south-east part of the refuge in southern sump; 'Captain Jack's Stronghold' GS map quad; 1229 Comment
  SEINET10609328  Panicum capillare var. brevifolium Louis C. Wheeler 1935-9-13 Wheeler 3984 Modoc Among rocks in dry sunny stream bed. Fletcher Creek at Pease Place, Devil's Garden. S32 T47N, R12E. 1524 Comment
  UCD32703  Pascopyrum smithii Beecher Crampton 1954-7-7 2123 Modoc Modoc County, Alturas, vacant lot adjacent to Lederer Building. Comment
  UC447221  Pedicularis attollens Franklin P. Nutting Modoc Forestdale Comment
  JEPS10739  Pedicularis groenlandica L. S. Smith 1918-6-22 945 Modoc Lily Lake; Modoc National Forest 2103 Comment
  JEPS3861  Pedicularis groenlandica N. T. Mirov 1929-7-4 Modoc Lily Lake, about 1 mi s of Oregon-California boundary Lily Lake; Warner Mountains 2133 Comment
  CAS-BOT-BC232307  Pedicularis groenlandica subsp. surrecta K. Paulson; Robert Paulson 1989-7-14 183 Modoc Vicinity of Cave Lake, N end of the Warner Mts. 1987 Comment
  UC748174  Pedicularis semibarbata Annie M. Alexander and Louise Kellogg 1946-7-17 5006 Modoc Benton Meadow; Warner Mountains 2072 Comment
  CAS-BOT-BC30194  Pellaea breweri Bruce Bartholomew 1990-6-16 5269 Modoc Rock outcrops between roadhead and Pine Creek Basin, W side of Warner Mountains. 2160 Comment
  CAS-BOT-BC232338  Penstemon davidsonii var. davidsonii Elmer Ivan Applegate 1932-7-9 7618 Modoc Mt. Bidwell. Comment
  CAS-BOT-BC245536  Penstemon gracilentus Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10520 Modoc Patterson Ranger Station (East Creek drainage). 2164 Comment
  JEPS27627  Penstemon gracilentus Frances D. Payne 1929-7-7 53 Modoc sw Warren Peak (Pine Creek Basin); Warner Range, Pine Creek Basin 2133 Comment
  CAS-BOT-BC245516  Penstemon janishiae Elmer Ivan Applegate 1897-6-1 869 Modoc 9 mi. W of Alturas, near Pit River. Comment
  NY604220  Penstemon janishiae H. D. D. Ripley 1944-5-31 5990 Modoc Northwest of Alturas 1371.6 Comment
  SEINET10444506  Penstemon janishiae K. Paulson, R. Paulson 1988-1 21 Modoc Barnes Grade, Crowder Flat Road to Devil's Garden. 1433 Comment
  SEINET10444628  Penstemon janishiae Noel H. Holmgren, Patricia K. Holgren 1978-1 8883 Modoc Crowder Flat road, 0.5 km (0.3 mile) from junction with California Highway 299 which is 5.6 km (3.5 miles) west of U.S. Highway 395 (Alturas) 1340 Comment
  CAS-BOT-BC232505  Penstemon roezlii M. M. Hanna 1956-6-7 s.n. Modoc Hwy 139 between Canby and Tienesta. Comment
  CAS-BOT-BC232506  Penstemon roezlii C. C. (Mrs.) Bruce 1898-7-1 2861 Modoc unspecified Comment
  CAS-BOT-BC232511  Penstemon roezlii Margaret J. Williams 1988-5-30 88- 26 -7 Modoc Jess Valley, E of Likely, S of roadside rest. 1524 Comment
  CAS-BOT-BC232523  Penstemon roezlii Barrett Anderson 1986-7-10 3203 Modoc West Warner Rd just S of the N Fork of Fitzhugh Creek. 1980 Comment
  CAS-BOT-BC245572  Penstemon roezlii C. L. Hitchcock 1940-5-27 6651 Modoc 9 mi. NE of Alturas. 1402 Comment
  NY641740  Penstemon roezlii K. A. Vincent 1987-8-4 4495 Modoc Warner Range; at jct. of roads to Plum Valley Campground and Benton Meadow, ca. 1.8 miles east-southeast of Davis Creek (town) on CA 11 1585.0 Comment
  RSA401758B  Penstemon roezlii Christopher Davidson 1973-5-26 2134 Modoc 4 miles W of Canby on Hwy 299. 1341 Comment
  SEINET188383  Penstemon roezlii C. L. Hitchcock 1940-5-27 6651 Modoc 9 mi NE of Alturas 1402 Comment
  SEINET195630  Penstemon roezlii Annie M. Alexander, L Kellogg 1946-6-12 4740 Modoc Fandango Pass rd 1707 Comment
  CAS-BOT-BC232514  Penstemon roezlii Elmer Ivan Applegate 1929-6-24 5886 Modoc Along Pit River above Adin. Comment
  SEINET5329597 Image available Penstemon roezlii M. J. Williams 1962-7-8 s.n. Modoc Cedar Pass Comment
  UC726741  Penstemon roezlii A. A. Heller 1941-6-25 16200 Modoc w of ascent to Cedar Pass; w of ascent to Cedar Pass Comment
  CAS-BOT-BC238448  Penstemon rydbergii var. oreocharis Mrs. H. C. Cantelow 1940-6-2 s.n. Modoc 10 1/2 miles n.w. of Canby Comment
  CAS-BOT-BC245490  Penstemon rydbergii var. oreocharis Annie Montague Alexander; L. Kellogg 1946-6-30 4874 Modoc Highgrade, W side ridge, N end of Warner Mountains 2377 Comment
  CAS-BOT-BC245501  Penstemon rydbergii var. oreocharis K. Paulson; Robert Paulson 1989-6-14 126 Modoc Ca. 1.5 mi. S of Davis Creek. 1402 Comment
  HSC20995  Penstemon rydbergii var. oreocharis M. T. Milligan 1965-6-26 314 Modoc N end Jess Valley. 1616 Comment
  RSA11914  Penstemon rydbergii var. oreocharis Elmer I. Applegate 1932-7-9 7595 Modoc North slope of Bidwell Mountain, Warner Mountains Comment
  UC102984  Penstemon rydbergii var. oreocharis Mrs. R. M. Austin 1894-1 180 Modoc Goose Lake Valley Comment
  UC748181  Penstemon rydbergii var. oreocharis Annie M. Alexander and Louise Kellogg 1946-6-12 4728 Modoc Fort Bidwell Fort Bidwell (in meadow) 1444 Comment
  UC887204  Penstemon rydbergii var. oreocharis C. L. Hitchcock 1940-5-28 6726 Modoc along sedgey bank of stream 15 mi n Alturas; n of Alturas 1402 Comment
  CAS-BOT-BC245550  Penstemon speciosus Elmer Ivan Applegate 1932-8-1 8037 Modoc High arid summit of Warner Mts. S of Warren Peak. Comment
  CAS-BOT-BC245560  Penstemon speciosus C. L. Hitchcock 1940-5-27 6666 Modoc 15 mi. NE of Alturas. 1615 Comment
  HSC21057  Penstemon speciosus M. T. Milligan 1966-8-3 632 Modoc W slope of Eagle Peak 2439 Comment
  RSA271899  Penstemon speciosus Christopher Davidson 1975-6-4 2613 Modoc 1/4 mi. W of Cedarville on Hwy 299. 1463 Comment
  RSA401880  Penstemon speciosus Christopher Davidson 1975-6-4 2613 Modoc 1/4 mi. W of Cedarville on Hwy 299. 1463 Comment
  NY661804  Penstemon sudans M. J. Williams 1988-5-30 8826- 13 Modoc Jess Valley, east of Likely, south of roadside rest 1524.0 Comment
  CAS-BOT-BC214726  Peraphyllum ramosissimum K. Paulson; Robert Paulson 1989-5-8 114 Modoc 6 mi. W of Alturas on Hwy 299. 1341 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
  CAS-BOT-BC15709  Perideridia bolanderi subsp. bolanderi Barrett Anderson 1986-7-9 3148 Modoc Crowder Flat Rd, 3.2 km off Hwy 299. 1510 Comment
  NY1102247  Perideridia bolanderi subsp. bolanderi L. C. Wheeler 1935-8-16 3881 Modoc Dismal Swamp, Twenty Mile Creek, Warner Mountains 2225 Comment
  HSC80791  Perideridia gairdneri subsp. gairdneri G. M. Riegel 1979-9-1 736 Modoc S Warner Mtns. 1670 Comment
  CAS-BOT-BC15717  Perideridia oregana Leland S. Smith 1922-6-5 1248 Modoc Stone Coal Valley. 1310 Comment
  UC1389987  Perideridia oregana T. I. Chuang and R. S. Mitchell 1966-7-19 6055 Modoc 19 mi nw Davis Creek (w side of lake); Goose Lake Comment
  CHSC71886  Persicaria lapathifolia Vernon H. Oswald; Lowell Ahart 1998-9-8 9600 Modoc Mosquito Lake on the north side of Whitehorse Flat Reservoir ca. 20 air mi north of McArthur. Common in drying soil on the receding margin of the lake. 1341 Comment
  CAS-BOT-BC218154  Persicaria maculosa Bruce Bartholomew 1990-8-3 5599 Modoc Ash Creek Wildlife Refuge, ca. 2.5 km S of County Road 87 and 7 km W of Adin. 1250 Comment
  UC1051789  Phacelia L. R. Heckard 1952-6-19 312 a Modoc just below summit of Fandango Pass (sw of Fort Bidwell); Warner Mountains 1828 Comment
  UC735086  Phacelia Lincoln Constance 1946-7-4 3106 Modoc 1.5 mi below summit; Warner Mountains, Deep Creek 1981 Comment
  CAS-BOT-BC179280  Phacelia adenophora John Thomas Howell 1934-6-16 12215 Modoc 11 mi. NE of Canby. Comment
  SJSU11217  Phacelia hastata J. W. Tilden 1958-6-25 1266 Modoc near Monument Hdqtrs, Lava Beds National Monument Comment
  CAS-BOT-BC179275  Phacelia hastata subsp. compacta Robert Patterson; Mona Bourell 1993-8-14 5225 Modoc Patterson Lake. South Warner Wilderness Area. Warner Mountains. 2743 Comment
  CAS-BOT-BC179254  Phacelia hastata subsp. hastata Louis Cutter Wheeler 1935-8-10 3824 Modoc Lily Lake. 2133 Comment
  CAS-BOT-BC179261  Phacelia hastata subsp. hastata Bruce Bartholomew; Barrett Anderson 1988-6-23 4267 Modoc 1.8 km WSW of Day on County Road 94. 1170 Comment
  CAS-BOT-BC179264  Phacelia hastata subsp. hastata Bruce Bartholomew; Barrett Anderson 1988-7-21 4451 Modoc Vicinity of Patterson Campground, southern end of the Warner Mts. 2190 Comment
  SD130515  Phacelia hastata subsp. hastata B. Bartholomew, B. Anderson 1988-7-21 4451 Modoc vicinity of Patterson Campground, southern end of the Warner Mts. Emerson Peak. Sierran montane forest 2190 Comment
  CAS-BOT-BC180013  Phacelia heterophylla subsp. virgata John Thomas Howell 1934-6-11 11911 Modoc Parker Creek. 1584 Comment
  CAS-BOT-BC180021  Phacelia heterophylla subsp. virgata John Thomas Howell 1934-6-13 12061 Modoc Fandango Pass. 1828 Comment
  UC71796  Phacelia heterophylla subsp. virgata Mrs. M. H. Manning 1903-6 153 Modoc woods near Fort Bidwell (ne Modoc Co.) Comment
  JEPS4036  Phacelia heterophylla subsp. virgata Frances D. Payne 1931-6-21 219 Modoc ridge sw Dry Creek (creek is tributary of Parker Creek, s and e of Alturas); Warner Mountains 1981 Comment
  UC726920  Phacelia heterophylla subsp. virgata A. A. Heller 1941-6-26 16223 Modoc along US Hwy 299 4 mi w Canby Comment
  SBBG30500  Phacelia humilis D. Myrick 1968-6-20 1970 Modoc Cedar Pass on St Hwy 299, E of Alturas 1920 Comment
  UC702951  Phacelia humilis Alice Eastwood and John Thomas Howell 1940-6-13 8185 Modoc w side Cedar Pass Comment
  HSC13731  Phacelia humilis M. T. Milligan 1965-6-27 358 Modoc 1677 Comment
  CAS-BOT-BC179985  Phacelia humilis var. humilis Bruce Bartholomew; Barrett Anderson 1989-6-2 4839 Modoc Vicinity of Stough Reservoir, Warner Mountains. 1950 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
  CAS-BOT-BC179996  Phacelia humilis var. humilis Francis Dorris Payne 1931-6-25 273 Modoc Middle Fork Pine Creek. 2133 Comment
  UCD120535  Phacelia humilis var. humilis Herbert L. Mason 1948-7-18 13620 Modoc Cedar Pass, Warner Mountains. Comment
  RSA293422  Phacelia humilis var. humilis Reino Alava 1957-7-5 1179 Modoc About one mile east of Benton Meadows, Warner Mountains. Comment
  RSA427993  Phacelia humilis var. humilis George Willet 1935-7-21 s.n. Modoc Warner Mountains 2439 Comment
  CAS-BOT-BC179969  Phacelia inundata Bruce Bartholomew 1995-5-13 6910 Modoc 4.8 km W of Eagleville, E side of the S end of Surprize Valley. 1480 Comment
  CAS-BOT-BC179970  Phacelia inundata Bruce Bartholomew; M; M. Gilbert; L. E. Skog 1993-5-10 6452 Modoc At the Nevada border directly E of Eagleville, E side of Surprise Valley. 1520 Comment
  CAS-BOT-BC179952  Phacelia linearis Fred D. Douthitt 20 Modoc Juniper Flats near Flournoy Swale. 1524 Comment
  CAS-BOT-BC179959  Phacelia linearis Alice Eastwood; John Thomas Howell 1940-6-14 8251 Modoc Between Mammoth Cave and Lava Beds Nat. Mon. Comment
  RSA531358  Phacelia linearis Bruce Bartholomew, B. Anderson 1989-6-1 4736 Modoc Ca. 0.5 km S of State Hwy 299 on road to Shaker Spring. 1420 Comment
  UC1299154  Phacelia linearis Freed W. Hoffman 1955-7-13 4096 Modoc one mi e Cedar Pass Camp Ground (rocky ridge at side of road) 1737 Comment
  JEPS1163  Phacelia mutabilis L. S. Smith 1918-8-18 1044 Modoc ridge n Bear Mt.; Modoc <National> Forest, Warner Mts. 2682 Comment
  SEINET5506815  Phacelia purpusii M. J. Williams 1968-6-1 s.n. Modoc Warner Mountains, Cedar Pass 1920 Comment
  CAS-BOT-BC179931  Phacelia ramosissima var. eremophila Bruce Bartholomew; Barrett Anderson 1990-7-20 5486 Modoc 10.3 km N of Buck Creek Ranger Station, crest of Warner Mountains W side of Warner Mts. 2130 Comment
  CAS-BOT-BC179934  Phacelia ramosissima var. eremophila Annie Montague Alexander; L. Kellogg 1946-7-24 5066 Modoc Trail to Emerson Camp, Bear Camp Flat. Comment
  UC660147  Phacelia ramosissima var. ramosissima Marion Ownbey and Fred G. Meyer 1940-7-1 2156 Modoc Cedar Peak Warner Mts. (se slopes) Comment
  POM260898  Phacelia ramosissima var. ramosissima Alice Eastwood, J. T. Howell 1940-6-13 8116 Modoc Surprise Comment
  UC748437  Phacelia ramosissima var. ramosissima Annie M. Alexander and Louise Kellogg 1946-6-10 4707 Modoc lava bench between Lower Lake and Snake Lake Comment
  CAS-BOT-BC179923  Phacelia tetramera Bruce Bartholomew 1991-5-24 5698 Modoc Surprise Valley, 6.6 km E of Eagleville. 1390 Comment
  CAS-BOT-BC179911  Phacelia thermalis Barrett Anderson 1986-7-9 3149 Modoc Crowder Flat Rd, 3.2 km off Hwy 299. 1510 Comment
  RSA152190  Phacelia thermalis Lincoln Constance, Elwood Molseed, John Weiler 1960-6-13 3678 Modoc Nine miles north of Litchfield. 1220 Comment
  CDA13475  Phalaris arundinacea G. F. Hrusa, T. D. Wilfred 1996-7-21 13322 Modoc Modoc Plateau; adjacent to Pit River at Modoc Co. Rd. 90 bridge. E base of Splawn Mtn. N end of Big Valley. Comment
  CAS-BOT-BC247593  Phleum pratense Herbert Louis Mason 1947-7-10 13358 Modoc 0.25 mi. W of Doris Reservoir, 2 mi. E of Alturas. Comment
  JEPS70607  Phleum pratense W. L. Jepson 1918-8-9 7913 Modoc near Ft. Bidwell; near Ft. Bidwell 1432 Comment
  CHSC75517  Phlox caespitosa V. H. Oswald; B. Corbin, A Sanger, G. Schoolcraft 1999-6-12 9765 Modoc Soldier Creek Canyon adjacent to USFS 43N57 in the Warner Mtns. northeast of Stough Reservoir Campground, north side of Hwy. 299, east side of Cedar Pass. 2072 Comment
  HSC75902  Phlox diffusa D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-22 19312 Modoc Soup Springs Campground Comment
  UCD118291  Phlox douglasii R. N. Raynor 1940-4-13 s.n. Modoc Joseph Creek. Comment
  CAS-BOT-BC197919  Phlox douglasii subsp. rigida Elmer Ivan Applegate 1897-5-31 976 Modoc Dry Lake. Comment
  CAS-BOT-BC197939  Phlox douglasii subsp. rigida R. M. Austin 1894-5-1 Modoc Goose Lake. Comment
  RSA152694  Phlox douglasii subsp. rigida I. L. Wiggins, Dorothy Wiggins 1961-6-12 16392 Modoc Rocky clay mesa 5 mi. east of California State Highway 299, along Cedar Pass Rd. 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
  UC1191161  Phlox gracilis Herbert L. Mason 1949-4-16 13995 Modoc e of Alturas Comment
  SJSU9548  Phlox hoodii subsp. canescens W. Savage 1979-7-3 1282 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  HSC17189  Phlox hoodii subsp. lanata M. T. Milligan 1964-4-25 Modoc S of Lower Cummings Reservoir Comment
  SEINET3145526  Phlox longifolia E. K. Balls 1950-5-10 15958 Modoc Hwy 395, 8.5 mi NE of Alturas 1524 Comment
  CAS-BOT-BC197877  Phlox stansburyi Francis Dorris Payne 1932-6-8 420 Modoc 3 mi. N of Alturas on Cedarville road. Comment
  CAS-BOT-BC197868  Phlox stansburyi John H. Hatton 1911-6-10 26 Modoc Modoc County. 1524 Comment
  JEPS70004  Phlox stansburyi Frances D. Payne 1932-6-8 420 Modoc 3 mi n Alturas (on road to Cedarville) Comment
  CAS-BOT-BC58312  Phoenicaulis cheiranthoides John Thomas Howell 1934-6-13 12104 Modoc North Fk. of Barber Creek. 1828 Comment
  CAS-BOT-BC58579  Phoenicaulis cheiranthoides Elmer Ivan Applegate 1937-5-13 11088 Modoc Lava Beds Nationa Monument, Gillam Bluff. Comment
  CHSC54181  Phoenicaulis cheiranthoides Vernon H. Oswald 1991-5-28 4633 Modoc North side of parking area on the southeast side of Pilot Butte, Ash Creek Wildlife Area, ca. 5.5 miles north-northeast of Bieber. 1264 Comment
  HSC26512  Phoenicaulis cheiranthoides J. P. Smith, J. O. Sawyer 1972-5-6 5250 Modoc County Rd. 86, just E of Adin. 1098 Comment
  JEPS77518  Phoenicaulis cheiranthoides L. R. Heckard with T. I. Chuang and R. C. Bacigalupi 1978-7-19 4885 Modoc Cedar Pass; Warner Mountains, Cedar Pass 1920 Comment
  POM260187  Phoenicaulis cheiranthoides C. L. Hitchcock 1940-5-27 6673 Modoc 15 miles northeast of Alturas. 1616 Comment
  RSA520467  Phoenicaulis cheiranthoides K. Paulson, R. Paulson 1989-5-8 106 Modoc Howard s Gulch. Along Hwy 139. 1372 Comment
  CAS-BOT-BC135157  Phoradendron juniperinum John Thomas Howell 1934-6-11 11921 Modoc Parker Creek, Warner Mts. 1584 Comment
  CAS-BOT-BC245224  Phoradendron juniperinum K. Paulson; Robert Paulson 1991-5-25 218 Modoc Householder Reservoir. 1639 Comment
  CHSC112775  Pilularia americana Lowell Ahart; John Dittes 2013-7-24 18924 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
  CAS-BOT-BC73417  Pinus albicaulis A. D. Borden 1911-8-1 s.n. Modoc S. fork of Parker Creek. Comment
  CAS-BOT-BC73238  Pinus contorta subsp. murrayana Mrs. R. M. Austin 1895-8-1 261 Modoc Goose Lake, Tamaracks Comment
  CAS-BOT-BC73242  Pinus contorta subsp. murrayana Elmer I. Applegate 1932-7-7 8221 Modoc Summit of Yellow Mountain, near Lily Lake, Bidwell Pass, Warner Mts. 2438 Comment
  UC711838  Pinus contorta subsp. murrayana Roxana S. Ferris and Laura Lorraine 1941-8-13 10572 Modoc East Creek about 1 mi e of Patterson Ranger Station (in sagebrush); Warner Moutains, Modoc National Forest, East Creek Comment
  UC71579  Pinus contorta subsp. murrayana Mrs. M. H. Manning 1902-10-26 31 Modoc Warner Mt. ne Modoc County, Warner Mt. 1828 Comment
  RSA749197  Pinus contorta var. murrayana A. Townesmith, K. M. Meyer 2007-9-16 215 Modoc Modoc National Forest, 8.5 mi. on Hwy 23 which turns into 31, south of Cedarville, CA. Pine 2218 Comment
  SEINET191397  Pinus monticola M. Ownbey, FG Meyer 1940-7-1 2153 Modoc Near summit of Clear Peak Warner Mountains Comment
  CAS-BOT-BC30155  Pinus ponderosa Belknap C. Goldsmith 1910-7-28 16 Modoc Fandango Creek, W slope Warner Mts. 1584 Comment
  UC1037244  Plagiobothrys cognatus Leo Whitney 1934-5-24 1629 Modoc 15 mi nw Canby (Hackamore, shore of Lake Joaquina); Modoc National Forest, Lake Joaquina, Hackamore 1463 Comment
  UCD120787  Plagiobothrys cognatus Herbert L. Mason; Verne Grant 1947-7-12 13408 Modoc Vernal pool; west side of the South Fork of Pit River Valley, southwest of Alturas. Comment
  JEPS119660  Plagiobothrys cusickii Lowell Ahart, John Dittes 2012-7-11 18332 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
  CHSC112760  Plagiobothrys hispidulus Lowell Ahart; John Dittes 2013-7-24 18921 Modoc Around a man made pond, north side of Ash Creek Floodplain, 0.54 mile (air) southeast of Pilot Butte Parking Area, 1.1 miles (air) south of County Road 87, 6.8 miles (air) west of Adin, Big Valley. 1263 Comment
  RSA0062307  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-BC58790  Plagiobothrys leptocladus Annie Montague Alexander; L. Kellogg 1946-6-7 4675 Modoc 2 mi. E of Cedarville. 1453 Comment
  UC1191836  Plagiobothrys mollis Herbert L. Mason, Verne Grant 1947-7-10 13333 Modoc 2 mi e Alturas; Dorris Reservoir Comment
  UC1587084  Plagiobothrys mollis G. Schoolcraft 1991-6-18 2163 Modoc w of Highway 299 about 4 mi ne Adin 1304 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-BC58798  Plagiobothrys mollis var. mollis Bruce Bartholomew; Barrett Anderson 1990-7-19 5401 Modoc Turner Creek at County Rd 90, N end of Big Valley, 6.4 km N of Lassen County border. 1230 Comment
  UC24562  Plagiobothrys reticulatus M. S. Baker and Frank Nutting 1894-6-4 Modoc Little Hot Spring Valley Comment
  CAS-BOT-BC228488  Plagiobothrys salsus Ira L. Wiggins; Dorothy B. Wiggins 1961-6-13 16446 Modoc Lane on Phipp's Ranch, ca. 14 miles N of Cedarville, Surprise Valley Comment
  RSA325724  Plagiobothrys salsus A. Tiehm, J. Nachlinger, Gary Schoolcraft 1984-6-24 8797 Modoc Surprise Valley, east side of Middle Alkali Lake, east of Cedarville. 1357 Comment
  CAS-BOT-BC58744  Plagiobothrys scouleri John Thomas Howell 1934-6-15 12186 Modoc Alturas. Comment
  POM312570  Plagiobothrys scouleri var. cusickii H. L. Mason, Verne Grant 1947-7-12 13415 Modoc Near south end of West Side Rd. along railroad tracks, Pit River Valley, south of Alturas 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
  UC1191844  Plagiobothrys stipitatus var. micranthus Herbert L. Mason and Verne Grant 1947-7-12 13410 Modoc s of Alturas (w side of Pit River Valley); Pit River Valley Comment
  HSC3778  Plagiobothrys tener M. T. Milligan 1964-7-1 113 Modoc W end of Ballard's Reservoir, along shore. 1372 Comment
  UC24588  Plagiobothrys tener var. tener Milo S. Baker 1893-7-1 Modoc 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
  UC1192026  Plantago major Verne Grant and Irving Schneider 1947-7-21 8114 Modoc 0.25 mi upstream South Fork of Pit River confluence with North Fork (South Fork of Pit River, by Alturas); South Fork of Pit River Comment
  CAS-BOT-BC242218  Platanthera dilatata var. leucostachys Bruce Bartholomew; Barrett Anderson 1988-6-24 4356 Modoc Field redacted by CAS, contact the data manager for more information 1960 Comment
  CAS-BOT-BC242222  Platanthera hyperborea R. M. Austin 1885-8-1 s.n. Modoc Field redacted by CAS, contact the data manager for more information Comment
  CHSC30589  Platanthera leucostachys P. V. Caldwell 1972-7-1 261 Modoc 100 yds from base camp at Patterson Meadows campgrounds entrance to Warner Mtns. Trail. Comment
  JEPS86307  Platanthera leucostachys Jack and Betty Guggolz 1988-7-5 980 Modoc alongside but not in west branch of Bidwell Creek; North Star Basin Comment
  CAS-BOT-BC242207  Platanthera stricta Bruce Bartholomew; Barrett Anderson 1988-6-24 4328 Modoc Field redacted by CAS, contact the data manager for more information 2130 Comment
  CAS-BOT-BC245398  Plectritis macrocera Bruce Bartholomew; Barrett Anderson 1989-4-29 4665 Modoc W side of Upper Alkali Lake, 7 km S of Fort Bidwell, Surprise Valley. 1370 Comment
  JEPS4045  Plectritis macrocera Frances D. Payne 1932-6-10 630 Modoc s and e of Alturas (Warner Mountains, Parker Creek); Warner Mountains, Parker Creek 1584 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
  JEPS36546  Pleiacanthus spinosus W. L. Jepson 1918-8-6 7832 Modoc Davis Creek Comment
  SEINET195478  Pleiacanthus spinosus Annie M. Alexander, Louise Kellogg 1946-7-5 5910 Modoc Lava Cliff west Lower Lake Comment
  HSC80829  Poa bolanderi G. M. Riegel 1979-9-1 730 Modoc S Warner Mtns. 1829 Comment
  CAS-BOT-BC247583  Poa bulbosa Bruce Bartholomew; Barrett Anderson 1988-5-12 4109 Modoc S side of Egg Lake. 1300 Comment
  UCD90686  Poa bulbosa M. V. Maxwell 1930-1 s.n. Modoc Adin. Comment
  CDA2393  Poa compressa T. C. Fuller 1963-8-26 11172 a Modoc West side of Hwy 395 to Lakeview, Ore., 1 mile north of Davis Creek. 0 Comment
  CAS-BOT-BC247578  Poa cusickii John H. Hatton 1911-6-12 51 Modoc Modoc County. 1463 Comment
  CHSC110974  Poa cusickii subsp. cusickii Lowell Ahart; John Dittes 2012-7-10 18328 Modoc Open meadow, west 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
  CHSC69232  Poa cusickii subsp. cusickii James D. Jokerst 1987-5-13 2856 Modoc Radar Survey Site S of Doublehead Mtn., S of Clear Lake Reservoir, lake W and adjacent to N end of central sector. 1353 Comment
  RSA534589  Poa nervosa Bruce Bartholomew 1990-7-20 5464 Modoc 4 km N of Buck Creek Ranger Station at turn off to Del Prat Spring, W side of Warner Mts. 1900 Comment
  UCD91823  Poa pratensis A. A. Beetle 1941-6-29 2822 Modoc 15 miles east of Alturas, road to Cedarville Pass. 1371 Comment
  SEINET10659816  Poa pratensis Mona R. Bourell, R. Patterson 1993-8-15 Bourell 5274 Modoc South Warner Wilderness Area. Warner Mountains. Along trail from Patterson Lake to ca. 2 miles north toward Pepperdine Trailhead. Along exposed rocky ridge. 2438 Comment
  UC1037119  Poa pratensis subsp. pratensis Leo Whitney 1934-5-28 2243 Modoc ca 15 mi nw Canby (Lake Joaquina, Hackamore); Modoc Nat'l Forest 1463 Comment
  POM203056  Poa secunda J. T. Howell 1934-7-1 12345 Modoc Duncan Horse Camp Comment
  RSA484223  Poa secunda Christopher Davidson 1975-6-4 2603 Modoc 0.4 mile E of Highway 395 on Highway 299 toward Cedarville. 1380 Comment
  RSA534591  Poa secunda Bruce Bartholomew, B. Anderson 1989-4-28 4658 Modoc 9 km N of State Highway 299 and ca 1.5 km SE Raker & Thomas Reservoir. 1500 Comment
  UC1024920  Poa secunda subsp. juncifolia Leo Whitney 1935-6-29 3360 a Modoc Alturas Comment
  UCD92430  Poa secunda subsp. juncifolia L. D. Whitney 1935-6-28 s.n. Modoc Near Adin. Comment
  CAS-BOT-BC247603  Poa secunda subsp. secunda Elmer Ivan Applegate 1932-7-31 7976 Modoc Mill Creek Meadow. Comment
  CAS-BOT-BC247667  Poa secunda subsp. secunda Isabel T. Kelly 1930-1-1 s.n. Modoc Modoc County. Comment
  CHSC67417  Poa secunda subsp. secunda James D. Jokerst 1986-8-11 2758 Modoc Radar Site Survey S of Doublehead Mtn., S of road to Doublehead Mtn., in vernal pool. Comment
  JEPS70660  Poa secunda subsp. secunda L. S. Smith 1917-7-2 56 Modoc head of Shields Creek; Warner Mts 2331 Comment
  UC1024931  Poa secunda subsp. secunda Leo Whitney 1935-6-29 3346 Modoc ca 15 mi nw Canby (Lake Joaquina, Hackamore); Modoc Nat'l Forest 1463 Comment
  UC1024934  Poa secunda subsp. secunda Leo Whitney 1935-6-29 3343 Modoc ca 15 mi nw Canby (Lake Joaquina, Hackamore); Modoc Nat'l Forest 1463 Comment
  UC1025025  Poa secunda subsp. secunda Leo Whitney 1935-7-21 3526 Modoc Pit River Comment
  UCD32711  Poa secunda subsp. secunda Beecher Crampton 1954-7-7 2140 Modoc W side of Cedar Pass. Comment
  CAS-BOT-BC252513  Poa wheeleri E. S. Willits 1940-5-16 252 Modoc Willow Ranch. Comment
  CAS-BOT-BC252521  Poa wheeleri Bruce Bartholomew; Barrett Anderson 1990-7-20 5544 Modoc N edge of Howard Flat, W side of Warner Mts. 2000 Comment
  CAS-BOT-BC252524  Poa wheeleri Elmer Ivan Applegate 1932-7-31 7989 Modoc Mill Creek Meadows, Warner Mts. Comment
  CHSC109489  Poa wheeleri L. P. Janeway; B. Castro 2012-7-24 10957 Modoc Warner Mountains. Along Forest Road/County Road 2 (the road from New PIne Creek to Fort Bidwell) 1.4 air km east of Lily Lake and 1.8 air km southwest of Dismal Swamp. 2250 Comment
  HSC80831  Poa wheeleri G. M. Riegel 1979-7-30 628 Modoc S Warner Mtns. 1829 Comment
  UCD91754  Poa wheeleri L. Whitney 1935-5-26 3154 Modoc Ash Creek, 10 miles E of Adin. Comment
  CAS-BOT-BC179350  Pogogyne floribunda James D. Jokerst 1987-7-13 2945 Modoc W of Sector 4 of the Air Force Backscatter Radar site. Ca. 3 mi. S of Doublehead Mountain. Comment
  CHSC67512  Pogogyne floribunda J. D. Jokerst 1990-7-31 3204 Modoc Modoc National Forest, Devils Garden Ranger District (south of Clear Lake), about 2 miles SE of Doublehead Mountain and 300 meters SE of the USFS dirt road that passes near E edge of lake at the line separating Sections 13 and 14. 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
  UC1191807  Pogogyne floribunda Verne Grant, Irving Schneider 1947-8-27 8329 Modoc Embayment at south end of Clear Lake Comment
  CAS-BOT-BC95161  Polanisia dodecandra subsp. trachysperma John Thomas Howell 1934-6-13 12089 Modoc Surprise Valley, 3 mi N of Eagleville. Comment
  CAS-BOT-BC95163  Polanisia dodecandra subsp. trachysperma Leland S. Smith 1918-9-29 1057 Modoc Granger Canyon, Suprise Valley. 1676 Comment
  CAS-BOT-BC197858  Polemonium micranthum Bruce Bartholomew 1994-5-14 6687 Modoc 5.1 km SE of Burlington Railroad Northern railroad track on road between Egg Lake and Lookout. 1400 Comment
  CHSC85180  Polemonium micranthum John Dittes; Josephine Guardino 1991-6-1 358 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
  JEPS28838  Polemonium micranthum Lincoln Constance and Emil DiFulvio 1962-4-16 3748 Modoc open slope 3.2 mi n Likely 1310 Comment
  CHSC112813  Polygonum Lowell Ahart; John Dittes 2013-7-24 18911 Modoc On the south side of a levee road, north side of Ash Creek Floodplain, 0.54 mile (air) southeast of Pilot Butte Parking Area, 1.1 miles (air) south of County Road 87, 6.8 miles (air) west of Adin, Big Valley. 1262 Comment
  SD215622  Polygonum aviculare Louis C. Wheeler 1935-8-26 3922 Modoc Modoc Plateau; 1.0 mile northwest of Mud Lake, Devil's Garden. 1524 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
  CDA2802  Polygonum convolvulus T. C. Fuller 1958-7-8 2019 Modoc Davis Creek. 0 Comment
  CAS-BOT-BC218139  Polygonum douglasii Alice Eastwood; John Thomas Howell 1914-6-14 8227 Modoc 8 mi. NW of Canby. Comment
  UC1179039  Polygonum douglasii subsp. douglasii F. H. Frost 1925-7-24 106 Modoc Jess Valley Warner Mts. Comment
  CHSC106322  Polygonum douglasii subsp. spergulariiforme Lowell Ahart; John Dittes 2010-8-31 17133 Modoc On the east side of Elkins Lane, about 100 yards north of the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  CAS-BOT-BC26627  Polygonum esotericum Louis C. Wheeler 1935-8-25 3918 Modoc Devil's Garden: Rimrock Valley Reservoir. 1524 Comment
  RSA293419  Polygonum kelloggii Reino Alava 1957-7-5 1165 Modoc Cedar Pass, Modoc National Forest, just east of the camp ground 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
  CHSC67585  Polygonum polygaloides subsp. confertiflorum James D. Jokerst 1990-8-2 3210 Modoc Hwy. 139 NW of Canby, ca. 300 m N of the road at the edge of a large dry lake, within the dry-down zone adjacent to a concrete overflow structure. Comment
  JEPS98241  Polygonum polygaloides subsp. confertiflorum R. E. Preston 2000-7-18 1412 Modoc 14 mi NW of Canby (on N side of Hwy 139; ca 0.9 mi e of FSR 44N11) 1466 Comment
  RSA65860  Polygonum polygaloides subsp. confertiflorum Alice Eastwood, John T. Howell 1940-6-14 13052 Modoc 8 miles NW of Canby Comment
  UCD77937  Polygonum polygaloides subsp. confertiflorum Robert E. Preston 2000-7-18 1411 Modoc Ca. 14 mi nw of Canby, on n side of Hwy 139, 0.5 mi w of Forest Service Rd 44N11. 1467 Comment
  CAS-BOT-BC218176  Polygonum polygaloides subsp. esotericum Alice Eastwood; John Thomas Howell 1940-6-14 8209 Modoc 8 mi. NW of Canby. Comment
  CAS-BOT-BC6535  Polygonum polygaloides subsp. esotericum Louis Cutter Wheeler 1935-8-25 3918 Modoc Rim Rock Valley Reservoir, Devils Garden 1524 Comment
  CHSC117817  Polygonum polygaloides subsp. esotericum L. P. Janeway 2016-5-16 11975 Modoc Modoc Plateau. Devils Garden area; along Road 47N07 1.8 road-km south of Road 181/73/47N09. 1573 Comment
  CHSC81396  Polygonum polygaloides subsp. esotericum R. E. Preston 2000-7-18 1407 Modoc Ca. 13 mi nw of Canby, along n side of Hwy 139, ca. 300 ft e of Forest Service Rd 44N11. 1481 Comment
  JEPS98244  Polygonum polygaloides subsp. esotericum R. E. Preston 2000-7-18 1416 Modoc Hog Lake 1499 Comment
  RSA602681  Polygonum polygaloides subsp. esotericum Louis C. Wheeler 1935-8-16 3867 Modoc Warner Mountains: Dismal Swamp, Twenty Mile Creek. 2226 Comment
  UC1748337  Polygonum polygaloides subsp. esotericum James D. Jokerst 1987-7-17 2953 Modoc Hwy. 139 N of Canby (300 m N of hwy. at SE edge of a large dry lake on a dry barren mudflat near the concrete overflow weir) Comment
  CAS-BOT-BC498690  Polygonum polygaloides subsp. esotericum L. C. Wheeler 1973-8-23 s.n. Modoc Big Mud Lake Comment
  CAS-BOT-BC218190  Polygonum polygaloides subsp. kelloggii James Vale; et al 1979-6-7 Modoc At summit, Parker Creek Rd. - Cedarvill Rd. Comment
  RSA601505  Polygonum ramosissimum Louis C. Wheeler 1935-8-6 3801 Modoc 1/2 mile S Pine Creek. 1509 Comment
  CAS-BOT-BC225104  Populus tremuloides Elmer Ivan Applegate 1932-7-31 7951 Modoc Mill Creek Meadow, Warner Mts. Comment
  RSA233768  Populus trichocarpa Robert F. Thorne, C. W. Tilforth 1969-9-5 39159 Modoc Wet mud at margin of Clear Lake. Warner Mountains, Modoc National Forest. 1768 Comment
  SJSU9532  Porterella carnosula W. Savage 1979-6-20 1269 Modoc south margin of Bottle Creek Reservoir, Triangle, Devils Garden District, Modoc National Forest 1493 Comment
  UC1191467  Portulaca oleracea Verne Grant, Irving Schneider 1947-8-27 8315 Modoc sw end of Clear Lake Clear Lake Comment
  UC1600949  Potamogeton foliosus var. foliosus Gordon H. True Jr. 1939-7-21 1008 Modoc Jack Swamp near Alturas; Jack Swamp Comment
  CAS-BOT-BC242238  Potamogeton gramineus Malcom A. Nobs; Calvin McMillan 1949-6-16 788 Modoc Dry Valley Reservoir, 33 mi. NNW of Alturas. Comment
  POM208869  Potamogeton gramineus Milo S. Baker 1899-8-18 s.n. Modoc Little Hot Spring Valley Comment
  RSA252438  Potamogeton natans Robert F. Thorne, C. W. Tilforth 1969-9-5 39146 Modoc North of South Fork of Pit River above jct. with West Creek at Public Campground, ca. 6 mi. E of Likely. 1402 Comment
  UC1099836  Potamogeton pectinatus Herbert L. Mason 1947-8-11 13488 Modoc Kelley Hot Springs, on Alturas-Conby Highway Kelley Hot Springs Comment
  UCR20439  Potamogeton pusillus Milo S. Baker 1899-8-24 s.n. Modoc Carmichaels Mill, Big Valley 1264 Comment
  RSA210803  Potamogeton richardsonii Robert F. Thorne, J. Henrickson, C. W. Tilforth 1969-9-4 39128 Modoc N Fork of Pit River 3.4 mi N of Alturas where crossed by Highway 395. 1341 Comment
  UCD138297  Potamogeton richardsonii Malcolm A. Nobs; S. Galen Smith 1949-7-22 1068 Modoc South Fork of Pit River, Likely. Comment
  UCR270962  Potentilla John F. Emmel 2000-8-3 1682 Modoc Modoc Plateau, north end of the Warner Mountains, slope and meadow 0.6 air mile ESE of Moonlight Mines, on NW flank of Mt. Bidwell 2470 Comment
  HSC18776  Potentilla biennis M. T. Milligan 1966-6-29 491 Modoc Slopes and ridges E of Jess Valley 1646 Comment
  NY831696  Potentilla biennis R. M. Austin 06 1894 s.n. Modoc Willow Creek Valley Comment
  CAS-BOT-BC214744  Potentilla breweri K. Paulson; Robert Paulson 1988-6-29 64 Modoc Benton Meadow, Warner Mts.. 1676 Comment
  UC1594784  Potentilla breweri David Charlet 1988-8-13 192 Modoc 10 mi e Patterson Lake (South Warner Mountains); , e of Patterson Lake 2755 Comment
  UC748057  Potentilla breweri Annie M. Alexander and Louise Kellogg 1946-8-3 5108 Modoc head of Eagle Creek Warner Mountains, Eagle Creek Comment
  CAS-BOT-BC214741  Potentilla drummondii Bruce Bartholomew 1995-7-31 7109 Modoc Headwaters of the S fork of Davis Creek, E side of the Warner Mountains. 2210 Comment
  CAS-BOT-BC214778  Potentilla gracilis John Thomas Howell 1934-7-1 12303 Modoc Duncan Horse Camp. 1355 Comment
  CAS-BOT-BC214783  Potentilla gracilis Bruce Bartholomew 1991-7-4 5914 Modoc Roney Flat. 1460 Comment
  CDA26103  Potentilla gracilis var. fastigiata G. D. Barbe, J. Kelley 1988-7-2 4304 Modoc Modoc National Wildlife Refuge, southeast of Alturas. 0 Comment
  SBBG30542  Potentilla gracilis var. flabelliformis D. Myrick 1968-6-20 1976 Modoc Davis Crk on Hwy 395, 15 mi N of Alturas 1524 Comment
  UC114480  Potentilla gracilis var. flabelliformis Mrs. R. M. Austin June 1894 83 Modoc Davis Creek Comment
  UC73029  Potentilla gracilis var. flabelliformis Milo S. Baker Aug, 1890 519 Modoc Forestdale Comment
  JEPS44440  Potentilla millefolia M. S. Baker and Frank Nutting 1894-6-8 Modoc Low flats Lava beds Forestdale (Forestdale) Comment
  UC545842  Potentilla newberryi L. D. Whitney 1935-7-29 3595 Modoc near w end Clear Lake; near w end of Clear Lake Comment
  CAS-BOT-BC225027  Poteridium annuum Bruce Bartholomew; Barrett Anderson 1988-6-23 4240 Modoc 2.1 km SSE of Day on the road to State Highway 299. 1020 Comment
  CAS-BOT-BC225030  Poteridium annuum Roxana Stinchfield Ferris; R. Duthie 1919-6-15 156 Modoc Parker Creek, Warner Mts. Comment
  CAS-BOT-BC214808  Prunus emarginata A. D. Borden 1911-6-14 s.n. Modoc S slope Davis Creek. Comment
  CAS-BOT-BC214817  Prunus subcordata Roxana Stinchfield Ferris; L. Lorraine 1941-8-14 10621 Modoc Summit of Fandango Pass, Modoc National Forest 1889 Comment
  CAS-BOT-BC225002  Prunus subcordata Alice Eastwood; John Thomas Howell 1940-6-13 8128 Modoc Near Davis Creek. Comment
  JEPS114666  Prunus subcordata Lowell Ahart, John Dittes 2008-8-25 15325 Modoc Open pasture field, on the west side of East Gouger Neck Road, east of the Pit River, 2.1 miles by road from County Road 91, 5.6 miles (air) northeast of Lookout 1293 Comment
  POM88418  Prunus subcordata R. M. Austin 1895-1 41 Modoc Goose Lake (Ross Canyon). Comment
  RSA59642  Prunus subcordata E. K. Balls 1950-5-12 14651 Modoc N of Bucks Creek Ranger Station. Modoc National Forest. 1829 Comment
  SEINET10685515  Prunus subcordata Karen M. Meyer, Andrew Townesmith 2007-9-16 Meyer 214 Modoc Modoc National Forest, going E on Hwy 299, 5.1 miles from the start of NF. Lower, Cedar Creek interpretive trail. 1622 Comment
  UC12816  Prunus subcordata Mrs. R. M. Austin and Bruce June 1898 23434 Modoc Comment
  CDA26199  Prunus subcordata var. oregana 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. 0 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-BC225010  Prunus virginiana var. demissa A. D. Borden 1911-6-15 s.n. Modoc S slope of Shields Creek. Comment
  SBBG30529  Prunus virginiana var. demissa D. Myrick 1968-6-20 1974 Modoc E slope of Cedar Pass, Hwy 299, 20 mi E of Alturas 1828 Comment
  RSA59525  Prunus virginiana var. melanocarpa E. K. Balls 1950-5-20 14815 Modoc S Fork Pit River. About S Fork Public Camp. Likely to Jess Valley. 1433 Comment
  CAS-BOT-BC498651  Pseudognaphalium L. S. Smith 1924-7-1 1502 Modoc Modoc Forest, Round Mt. 1676 Comment
  JEPS34063  Pseudognaphalium thermale L. S. Smith 1922-1-1 Modoc Modoc National Forest Comment
  CAS-BOT-BC227479  Pseudoroegneria spicata Gregg M. Riegel 1980-6-30 790 Modoc Unspecified 2415 Comment
  CAS-BOT-BC239794  Pseudoroegneria spicata B. Bartholomew; B. Anderson 1990-7-20 5491 Modoc 10.3 km N of Buck Creek Ranger Station, crest of Warner Mountains W side of Warner Mts. 2130 Comment
  SBBG423  Pseudoroegneria spicata A. A. Beetle 1941-6-29 2828 Modoc near summit of Cedar (Cedarville) Pass 2118 Comment
  UCD91518  Pseudoroegneria spicata R. Tofsrud 1947-7-1 210 Modoc Between Alturas and Cedarville. Comment
  CAS-BOT-BC95217  Pseudostellaria jamesiana Roxana Stinchfield Ferris; R. Duthie 1919-6-13 30 Modoc Near Parker Creek, Warner Mts. Comment
  CAS-BOT-BC95228  Pseudostellaria jamesiana Bruce Bartholomew 1991-7-6 5992 Modoc Vicinity of Happy Camp Lookout, Happy Camp Mountain. 1830 Comment
  CAS-BOT-BC95235  Pseudostellaria jamesiana Francis Marion Ownbey; Frederick Gustav Meyer 1940-7-1 2142 Modoc Cedar Peak, Warner Mts. Comment
  CAS-BOT-BC95236  Pseudostellaria jamesiana Robert Patterson; Mona Bourell 1993-8-15 5267 Modoc Warner Mountains. Along trail from Patterson Lake to ca. 2 mi north towards Pepperdine Trailhead. 2743 Comment
  JEPS46213  Pseudostellaria jamesiana F. H. Frost 1925-7-12 51 Modoc Stow's Meadow Cedar Canyon (Cedar Canyon, Warner Mountains); Warner Mountains, , Stow's Meadow Comment
  SD149210  Pseudotsuga menziesii B. Bartholomew 1992-5-14 6273 Modoc Northeast side of White Horse Mountains, southwest of White Horse Flat Reservoir. 1399 Comment
Read comments
Aug 12 2008
  CAS-BOT-BC50386  Psilocarphus brevissimus var. brevissimus Herbert Louis Mason; Verne Grant 1947-7-10 13328 Modoc Dorris Reservoir, 2 miles E of Alturas Comment
  JEPS118266  Psilocarphus tenellus var. tenellus Lowell Ahart, John Dittes 2011-6-22 17543 Modoc On the west side of the road, about 30 yards north of the Pilot Butte Parking Lot, north edge of Ash Creek Floodplain, 1.1 miles (air) south of County Road 87, 7.7 miles (air) west of Aden [Adin], 10 miles (air) east of Lookout, Big Valley 1264 Comment
  RSA233734  Pterospora andromedea R. F. Thorne, C. W. Tilforth, K. Thorne 1969-9-5 39153 Modoc Near Mill Creek Falls. Modoc Nataional Forest, Warner Mts. 1753 Comment
  RSA534594  Puccinellia nuttalliana Bruce Bartholomew, B. Anderson 1990-7-20 5448 Modoc Margin of Goose Lake at S end of the causeway to McGinty Point. 1440 Comment
  UCD32738  Puccinellia nuttalliana Beecher Crampton 1954-7-8 2191 Modoc Modoc County, 3 miles west of Alturas, along US highway 299. Comment
  UCD32740  Puccinellia nuttalliana Beecher Crampton 1954-7-8 2193 Modoc Modoc County, 3 miles west of Alturas, along US highway 299. Comment
  UCD32742  Puccinellia nuttalliana Beecher Crampton 1954-7-8 2195 Modoc Modoc County, 3 miles west of Alturas, along US highway 299. Comment
  UCD93437  Puccinellia nuttalliana L. G. Goar 1938-1 s.n. Modoc Modoc County. Comment
  CAS-BOT-BC218231  Purshia tridentata var. tridentata A. D. Borden 1911-8-9 Modoc S slope of Shields Creek. Comment
  CAS-BOT-BC218234  Purshia tridentata var. tridentata Bruce Bartholomew; Barrett Anderson 1988-7-21 4447 Modoc Dry hillside, SW side of Jess Valley, Warner Mts.. 1540 Comment
  UC12420  Purshia tridentata var. tridentata Milo S. Baker 1893-6 Modoc hillsides and low land Comment
  CAS-BOT-BC95684  Pyrola minor Bruce Bartholomew; Barrett Anderson 1988-7-23 4574 Modoc Dismal Swamp, Warner Mts.. 2180 Comment
  UC73564  Pyrola picta Milo S. Baker Modoc Foresdale Comment
  CAS-BOT-BC95697  Pyrola picta Annie Montague Alexander; L. Kellogg 1946-8-8 5121 Modoc Deep Creek Canyon. Comment
  UC71813  Pyrola picta Mrs. M. H. Manning 1903-9-2 378 Modoc John Henry Hill 1828 Comment
  CAS-BOT-BC50392  Pyrrocoma carthamoides var. cusickii Bruce Bartholomew; Barrett Anderson 1988-6-25 4387 Modoc 5.6 km NW of State Highway 299 on County Road 73. 1500 Comment
  JEPS85653  Pyrrocoma carthamoides var. cusickii L. R. Heckard, T. I. Chuang, and R. Bacigalupi 1974-7-24 6768 Modoc 3.5 mi n Cedar Pass (along forest service road); Warner Mts. 2042 Comment
  UC584291  Pyrrocoma carthamoides var. cusickii G. L. Stebbins Jr. and J. A. Jenkins 1937-7-15 2374 Modoc open fields center Round Valley (along state highway) 1066 Comment
  CAS-BOT-BC50357  Pyrrocoma lanceolata var. subviscosa Harvey Monroe Hall 1925-8-30 12212 Modoc 19 mi. S of Alturas on Hwy 395, at N edge of Likely. Comment
  CAS-BOT-BC180122  Quercus kelloggii Leland S. Smith 1922-7-29 1324 Modoc Big Valley foothills. 1371 Comment
  UC5622  Quercus kelloggii Milo S. Baker 1893-7-10 Modoc Comment
  JEPS5955  Raillardella argentea Frances D. Payne 1929-7-26 132 Modoc Warren Peak Warner Mountains 2743 Comment
  CAS-BOT-BC217253  Ranunculus alismifolius Bruce Bartholomew 1994-5-28 6718 Modoc Vicinity of Cold Spring SE of Sugar Hill, W side of Warner Mts. 1880 Comment
  UCD13268  Ranunculus alismifolius var. alismellus Dean Dubbe 1974-5-26 15- 3 Modoc Modoc CO. Mill Creek Meadow, west side of South Warner Wilderness. Elevation 7000 feet. 2133 Comment
  POM269535  Ranunculus alismifolius var. hartwegii Louis C. Wheeler 1935-8-4 3774 Modoc Warner Mountains: Dismal Swamp, Twenty Mile Creek. 2226 Comment
  CAS-BOT-BC217263  Ranunculus aquatilis var. aquatilis Peter Hamilton Raven; Otto Thomas Solbrig 1958-6-18 13324 Modoc About small lake at eastern outskirts of Lookout. Comment
  JEPS60659  Ranunculus aquatilis var. capillaceus Frances D. Payne 1929-7-26 124 Modoc 2 mi sw Warren Mt. (se Modoc Co., pond outlet); Pine Creek Basin 2133 Comment
  POM312421  Ranunculus aquatilis var. capillaceus Verne Grant, Irving Schneider 1947-7-22 8135 Modoc N Fork of Pit River by State Quarantine Station, Hwy 395, N of Alturas. Comment
Read comments
Mar 20 2011
  CAS-BOT-BC217238  Ranunculus eschscholtzii var. oxynotus Elmer Ivan Applegate 1932-8-3 8133 Modoc E slope of Eagle Peak, Warner Mts. 2743 Comment
  CAS-BOT-BC217240  Ranunculus flabellaris Alice Eastwood; John Thomas Howell 1940-6-12 8080 Modoc Jess Valley. Comment
  CHSC13476  Ranunculus glaberrimus C. S. Armor 1974-4-9 89 Modoc 100 yds. se of the north water storage tank in Alturas. 1310 Comment
  JEPS55077  Ranunculus glaberrimus Leland S. Smith 1918-3-21 915 Modoc near Alturas; Juniper Flats 1371 Comment
  RSA304739  Ranunculus glaberrimus var. ellipticus James R. Shevock 1971-4-9 947 Modoc Summit Hwy 299. 1524 Comment
  CAS-BOT-BC217207  Ranunculus glaberrimus var. glaberrimus Edward Kent Balls 1950-5-12 14636 Modoc Above Bucks Creek Ranger Station. 1767 Comment
  CAS-BOT-BC217222  Ranunculus occidentalis E. H. Steffen 1917-5-21 8 Modoc West Valley Camp. 1676 Comment
  CAS-BOT-BC217218  Ranunculus occidentalis var. dissectus Annie Montague Alexander; L. Kellogg 1946-6-7 4673 Modoc 0.5 mi. E of Cedarville. 1453 Comment
  CHSC100191  Ranunculus occidentalis var. occidentalis John Dittes; Josephine Guardino 1991-7-21 423 Modoc Modoc Plateau; Big Valley; Ash Creek Wildlife Area; ca. 5.7 air-miles Northeast of Bieger, ca. 7.6 air-miles west of Adin, ca. 1.5 air-mile southeast of Pilot Butte summit at northern edge of Ash Creek Floodplain (Big Swamp) at southeast base of Pilot Butte. 1258 Comment
  RSA8216  Ranunculus oxynotus Elmer I. Applegate 1932-8-3 8133 Modoc E slope of Eagle Peak, near summit, Warner Mts. 2744 Comment
  UC748217  Ranunculus sceleratus Annie M. Alexander and Louise Kellogg 1946-6-7 4674 Modoc 2 mi e Cedarville (in marsh) 1453 Comment
  UC1191468  Ranunculus sceleratus Verne Grant and Irving Schneider 1947-7-19 8063 Modoc irrigation ditch s south loop road (s of Alturas); Corporation ranch Comment
  UC1191470  Ranunculus sceleratus Herbert L. Mason and Verne Grant 1947-7-12 13430 Modoc s loop of w side road Likely Comment
  CDA3491  Ranunculus testiculatus Loring White 1971-5-26 Modoc R. Bunyard ranch, 1.5 miles northeast of Cedarville. 0 Comment
  CAS-BOT-BC217158  Ranunculus uncinatus Bruce Bartholomew 1995-7-31 7115 Modoc Upper reaches of Sassen Creek, W side of the Warner Mountains. 1900 Comment
  NY495030  Ranunculus uncinatus M. J. Williams 1984-6-30 8480- 3 Modoc Seepage area near a reservoir, 6.8 miles west of the Cedarville-Gerlach road, Granger Canyon Road, Warner Mountains 1981.2 Comment
  SEINET5338928  Ranunculus uncinatus var. uncinatus M. J. Williams 1984-6-30 84- 80 -8 Modoc Seepage area near a reservoir, 6.8 miles west of Cedarville-Gerlach road. 1981 Comment
  RSA78890  Rhamnus rubra E. K. Balls, Percy C. Everett 1952-10-11 18156 Modoc 0.3 miles SE of crest of Fandango Pass, Warner Mts. 1829 Comment
  JEPS117474  Rhaponticum repens Lowell Ahart, John Dittes 2010-8-31 17093 Modoc Just south of the Parking Area west of the old barn, on the west side of Elkins Lane, Ash Creek State Wildlife Area, 320 feet north of Lassen County Line, about 4.4 miles (air) west of Adin, about 7.2 miles (air) northeast of Bieber, Big Valley 1266 Comment
  CAS-BOT-BC58197  Rhododendron columbianum Elmer I. Applegate 1932-8-6 8210 Modoc Just above Lily Lake, Bidwell Pass, Warner Mts. Comment
  CHSC109476  Rhododendron columbianum L. P. Janeway; B. Castro 2012-7-27 11024 Modoc Warner Mountains. North-sloping meadow opening just above Mineral spring, 0.5 air km east of Yellow Mountain. 2361 Comment
  CAS-BOT-BC21489  Rhus aromatica Bruce Bartholomew 1989-8-10 5026 Modoc Little Hot Spring Valley, 1.6 km NW of Day. 1070 Comment
  CAS-BOT-BC498760  Ribes L. S. Smith 1919-8-25 1143 Modoc Modoc Forest: Dismal Swamp Comment
  RSA488571  Ribes aureum Bruce Bartholomew, B. Anderson 1988-5-14 4188 Modoc 2 km. S of McGinty Point, edge of causeway across the SW corner of Goose Lake. 1430 Comment
  RSA59530  Ribes aureum E. K. Balls 1950-5-20 14809 Modoc 2.1 mi. above South Fork Public Camp along South Fork Pit River. 1463 Comment
  CAS-BOT-BC225873  Ribes cereum Isabelo T. Kelly 1930-1-1 1 Modoc Near Cedarville, Surprise Valley. Comment
  HSC80719  Ribes cereum G. M. Riegel 1980-7-2 814 Modoc S Warner Mtns. 1670 Comment
  JEPS43511  Ribes cereum Frances D. Payne 1931-6-10 142 Modoc s and e Alturas (Parker Creek); Warner Mountains 1584 Comment
  RSA165507  Ribes cereum Clare B. Hardham 1961-6-18 7571 Modoc Mts S of summit of Cedar Pass. Comment
  RSA165508  Ribes cereum Clare B. Hardham 1961-6-20 7856 Modoc Cave Lake. 2134 Comment
  RSA454979  Ribes cereum Christopher Davidson 1975-6-4 2620 Modoc 2.5 mi W of Cedarville on Hwy 299. South sloping hillside of rocky basalt and red clay. 1677 Comment
  RSA504591  Ribes cereum Bruce Bartholomew, B. Anderson 1988-6-24 4297 Modoc Road beyond Poison Lake, ca. 8 km S of the road from Hwy 395 to Lily Lake, Warner Mountains. 2130 Comment
  UC1075751  Ribes cereum Robert J. Weatherby 1955-7-7 1606 Modoc 7 mi n Ft. Bidwell 1889 Comment
  UC1127418  Ribes cereum R. C. Wilson 1933-7-7 59 Modoc 3 mi nw Scheffer Mountain; Canby Quadrangle Comment
  RSA59647  Ribes cereum E. K. Balls 1950-5-12 14644 Modoc Above Bucks Creek Ranger Station, Modoc National Forest, east of Goose Lake. 1738 Comment
  CAS-BOT-BC225898  Ribes inerme var. inerme Roxana Stinchfield Ferris; R. Duthie 1919-6-13 55 Modoc Parker Creek near Modoc National Forest Boundary. Comment
  UC71792  Ribes inerme var. inerme Mrs. M. H. Manning 1893-2 143 Modoc Mill Canyon 1828 Comment
  SBBG2771  Ribes malvaceum H. and M. Dearing 1939-6-8 3608 Modoc Lily Lake, Warner Mtns Comment
  SEINET195470 Image available Ribes montigenum Annie M. Alexander, L Kellogg 1946-6-25 4822 Modoc North end of the Warner Mountains Dismal Swamp 2256 Comment
  UC1523789  Ribes roezlii Lisa Janio 1981-7-9 Modoc n Adin 1402 Comment
  CAS-BOT-BC225916  Ribes velutinum Bruce Bartholomew; Barrett Anderson 1988-5-12 4137 Modoc Along the N side of the Pit River, 0.5 km W of State Highway 299 on Bushey Road. 1310 Comment
  CAS-BOT-BC423  Ribes velutinum R. M. Austin 1884-6-1 27 Modoc unspecified Comment
  UC1539998  Ribes velutinum M. Mitchell 1936-5-21 25 Modoc Frozen River Cave Lava Beds National Monument 1348 Comment
  RSA0019691  Ribes velutinum Bruce Bartholomew, B. Anderson 1989-4-27 4624 Modoc Little Hot Spring Valley, 4 km NW of Day. 1070 Comment
  CAS-BOT-BC173960  Ribes viscosissimum G. Schoolcraft 1988-7-12 1824 Modoc Warner Mtns. along Park Creek Rd. 1 mi. w. of Pepperdine Camp 1950 Comment
  CAS-BOT-BC225936  Ribes viscosissimum Bruce Bartholomew; Barrett Anderson 1988-6-24 4298 Modoc Road beyond Poison Lake ca. 8 km S of the road from U.S. Highway 395 to Lily Lake, Warner Mts.. 2130 Comment
  CAS-BOT-BC225950  Ribes viscosissimum Bruce Bartholomew 1990-6-15 5234 Modoc Flat between Deer Spring Ridge and Sweagert Flat. 1900 Comment
  HSC29862  Ribes viscosissimum D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19439 Modoc Upper Rush Creek Campground, about 8 mi. N of Adin on Hwy. 299 Comment
  RSA0020908  Ribes viscosissimum C. L. Hitchcock 1940-5-27 6694 Modoc 15 miles NE of Alturas. 1616 Comment
  CAS-BOT-BC50371  Rigiopappus leptocladus Bruce Bartholomew 1990-6-18 5385 Modoc Turner Creek at County Rd 90, N end of Big Valley, 6.4 km N of Lassen County border. 1230 Comment
  CAS-BOT-BC50373  Rigiopappus leptocladus Bruce Bartholomew; Barrett Anderson 1989-6-1 4764 Modoc S end of Goose Lake. 1460 Comment
  CHSC107380  Rigiopappus leptocladus Lowell Ahart; John Dittes 2011-6-22 17546 Modoc On the west side of the road, about 30 yards north of the Pilot Butte Parking Lot, north edge of Ash Creek Floodplain, 1.1 miles (air) south of County Road 87, 7.7 miles (air) west of Aden, 10 miles (air) east of Lookout, Big Valley. 1264 Comment
  UC90670  Rigiopappus leptocladus Mrs. R. M. Austin Modoc Lost River Canyon Comment
  UCR9592  Rorippa austriaca D. O. Clark 1970-6-24 s.n. Modoc 6 mi south of Alturus. SW corner of Jones Rd. with the Pitt River. Comment
  CDA20130  Rorippa austriaca C. Pirosko 2002-6-14 PDR P 120230 Modoc Modoc Plateau; Jones Lake. 0 Comment
  UCD115242  Rorippa austriaca W. S. Ball 1937-6-27 s.n. Modoc Corporation Ranch. Comment
  RSA530126  Rorippa columbiae D. W. Taylor 1987-8-9 9280 Modoc Clear Lake Reservior, on shore 100 meters west of dam., [Should be T47N...] 1372 Comment
Read comments
Sep 24 2008
  RSA322273  Rorippa curvisiliqua R. C. Rollins, Kathryn W. Rollins, David Gates, JoRita Gates, Aileen G. Roads 1983-7-6 83229 Modoc Above Widow Valley, ca. 3 miles E of day. Comment
  CHSC117254  Rorippa curvisiliqua var. orientalis Lowell Ahart; John Dittes 2016-7-14 21163 Modoc West side of a new pond, south of Ash Creek Canal (now filled in), south of Ash Creek, Ash Creek Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. 1273 Comment
  CAS-BOT-BC497201  Rosa John H. Hatton 1911-6-17 121 Modoc Modoc Forest, near Pitt River Bridge 1219 Comment
  POM89374  Rosa woodsii subsp. ultramontana R. M. Austin 1895-08 455 Modoc Goose Lake Valley Comment
  CAS-BOT-BC218252  Rosa woodsii var. ultramontana Alice Eastwood; John Thomas Howell 1940-6-11 8009 Modoc 6 mi. NE of Adin on road to Canby. Comment
  CAS-BOT-BC218259  Rosa woodsii var. ultramontana Bruce Bartholomew; Barrett Anderson 1990-7-20 5547 Modoc N edge of Howard Flat, W side of Warner Mts. 2000 Comment
  CAS-BOT-BC218262  Rosa woodsii var. ultramontana Roxana Stinchfield Ferris; R. Duthie 1919-6-14 136 Modoc Parker Creek. Comment
  RSA0113966  Rosa woodsii var. ultramontana Lowell A. Ahart, John Dittes 2008-8-26 15348 Modoc Southeast side of Rose Creek, 750 feet southwest of confluence of Rose Creek and Pit River, on the northwest side of unnamed road, 2,660 feet east of intersection with County Road 85a, 9.3 miles (air) north-northeast of Lookout. 1277 Comment
  HSC17570  Rumex acetosella M. T. Milligan 1964-6-27 95 Modoc Old mill, Lassen Creek 1829 Comment
  CAS-BOT-BC211342  Rumex lacustris Herbert Louis Mason; Verne Grant 1947-7-10 13336 Modoc Dorris Reservoir, 2 mi E of Alturas. Comment
  CAS-BOT-BC211349  Rumex lacustris Herbert Louis Mason; Verne Grant 1947-8-27 8309 Modoc South end of Clear Lake. Comment
  UC1735897  Rumex maritimus Dean W. Taylor 1989-8-6 10500 Modoc Warner Mountains, Suprise Valley, warm spring on west shore Lower Lake 1363 Comment
  CDA23185  Rumex occidentalis T. C. Fuller 1958-7-8 2031 Modoc 4 miles south of Pine Creek. 0 Comment
  NY430601  Rumex salicifolius subsp. salicifolius B. M. Bartholomew 1988-7-23 4593 Modoc Pine Creek, 4 km east of US Highway 395 on the road to Lily Lake, Warner Mountains. Fort Bidwell 15' Quad. 1620 Comment
  UC1101219  Rumex salicifolius var. lacustris Verne Grant and Irving Schneider 1947-8-27 8309 Modoc s end Clear Lake Comment
  UC1101222  Rumex salicifolius var. lacustris Verne Grant and Irving Schneider 1947-7-20 8088 Modoc 2 mi e Alturas; Dorris Reservoir Comment
  CAS-BOT-BC211320  Rumex triangulivalvis Alice Eastwood; John Thomas Howell 1940-6-15 8280 Modoc Near Happy Camp Ranger Station. Comment
  JEPS51054  Sagina saginoides B. M. Payne 1930-5-11 758 Modoc s. and e. Alturas (Parker Creek); Warner Mts., Parker Creek 1584 Comment
  CDA13465  Sagittaria cuneata G. F. Hrusa, T. D. Wilfred 1996-7-21 13312 Modoc Modoc Plateau; along Pit River at Modoc Co. Rd. 90 bridge. E base of Splawn Mtn. N end of Big Valley. Comment
  JEPS32200  Sagittaria cuneata W. L. Jepson 1918-8-5 7825 Modoc South Fork Valley 1371 Comment
  SEINET10734771  Salix Andrew Townesmith, Karen M. Meyer 2007-9-15 Townesmith 930 Modoc Modoc National Forest, Warner Mountain Ranger District. Along state route 299, 10.9 miles west of junction with US route 395. At Cedar Pass. T43N R15E S28 SW 1/4. 1928 Comment
  CAS-BOT-BC225116  Salix boothii Francis Dorris Payne 1932-7-21 729 Modoc marsh S of Mosquito Lake, E side of Mt. Warren (Buck Mt.), Warner Mts., E of Alturas Comment
  JEPS14875  Salix boothii L. S. Smith 1918-8-11 1023 Modoc Camp One-T38-16 Modoc Nat'l Forest 22 Comment
  SBBG59082  Salix eastwoodiae F. D. Payne 1931-6-25 275 Modoc Pine Crk Basin, ca. 33 km SE of Alturas 2280 Comment
  SJSU243  Salix eastwoodiae F. D. Payne 1931-6-25 275 Modoc near spring N slope of flat along Cr Pine Cr Basin, Warner Mts, c. 33 km SE Alturas 2286 Comment
  UC481848  Salix eastwoodiae Frances D. Payne 1931-6-25 275 a Modoc ca. 33 km. se Alturas; Warner Mts., Pine Creek Basin 2280 Comment
  UC481865  Salix eastwoodiae Frances D. Payne 1931-7-8 177 Modoc ca. 33 km. se Alturas; Warner Mts., Pine Creek Basin 2280 Comment
  CAS-BOT-BC225778  Salix exigua Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16365 Modoc Along bank of Pit River, 3.9 mi N of Alturas. Comment
  RSA152680  Salix exigua I. L. Wiggins, Dorothy B. Wiggins 1961-6-12 16365 Modoc Pit River. 3.9 miles N of Alturas. Comment
  SJSU13880  Salix exigua N. A. Hopkins 1985-5-14 1278 Modoc outskirts of Cedarville, Warner Mts 1524 Comment
  NY187671  Salix lasiandra N. F. Bracelin 1931-6-30 497 Modoc Parker Creek, 20 km east of Alturas 1560 Comment
  CAS-BOT-BC229687  Salix lasiandra subsp. caudata H. P. Bracelin; Francis Dorris Payne 1931-6-30 497 Modoc Parker Creek, 20 km E of Alturas. 1560 Comment
  UC437345  Salix lasiandra var. caudata W. P. Taylor and H. C. Bryant 1910-1 Modoc Parker Creek Warner Mts., Parker Creek 1676 Comment
  CAS-BOT-BC197557  Salix lasiandra var. lasiandra Elmer Ivan Applegate 1936-5-17 10305 Modoc Lava Beds National Monument. Gillams Camp, shore line of Tuyle Lake. Comment
  JEPS114783  Salix lasiandra var. lasiandra Lowell Ahart, John Dittes 2008-8-25 15303 Modoc On the west bank of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-notheast of Lookout 1273 Comment
  JEPS119654  Salix lasiandra var. lasiandra Lowell Ahart, John Dittes 2012-7-10 18315 Modoc Ash Creek State Wildlife Area, about 3.4 miles (air) west of Adin, about 8.2 miles (air) northeast of Bieber, Big Valley. Comment
  SD997  Salix lasiandra var. lasiandra Mrs. H. P. Bracelin, Miss Frances D. Payne 1931-6-30 498 Modoc Parker Creek, 20 km east of Alturas, in meadow south of Payne Ranch 1559 Comment
  JEPS14857  Salix lasiolepis Frances D. Payne 1931-6-10 136 Modoc Parker Creek Warner Mts., Parker Creek 1584 Comment
  RSA612590  Salix lasiolepis Louis C. Wheeler 1935-8-3 3771 Modoc Pine Creek, Warner Mts. 1555 Comment
  UC481930  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-29 487 Modoc halfway between Adin and Canby 1350 Comment
  CAS-BOT-BC229697  Salix lemmonii Milo Samuel Baker 1893-6-1 s.n. Modoc Big Valley Mts. Comment
  NY187861  Salix lemmonii F. D. Payne 1931-7-7 332 Modoc Pine Creek Basin, Warner Mountains, about 33 km southeast of Alturas 2280 Comment
  UC473996  Salix lemmonii Frances D. Payne 1931-7-7 336 Modoc ca. 33 km. se Alturas; Warner Mts., Pine Creek Basin 2280 Comment
  UC481859  Salix lemmonii Frances D. Payne 1931-7-7 334 Modoc ca. 33 km. s.e. Alturas; Warner Mts., Pine Creek Basin 2280 Comment
  RSA252406  Salix lucida subsp. caudata Robert F. Thorne, C. W. Tilforth 1969-9-5 39144 Modoc Along S Fork of Pit River above jct,. with West Creek at Public Campground. Ca 6 miles E of Likely. 1402 Comment
  SD37400  Salix lutea Mrs. H. P. Bracelin, Miss Frances D. Payne 1931-6-30 499 Modoc Perker Creek, 20 km east of Alturas, meadow south of Payne Ranch 1559 Comment
  UC481792  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); Parker Creek 1560 Comment
  CAS-BOT-BC229849  Salix melanopsis H. P. Bracelin; Francis Dorris Payne 1931-6-30 491 Modoc Parker Creek, 20 km E of Alturas. 1560 Comment
  NY187397  Salix melanopsis F. D. Payne 1931-6-30 493 Modoc Parker Creek, 20 km east of Alturas 1560 Comment
  UC1280874  Salix scouleriana H. E. McMinn 1931-5-23 2468 Modoc Warner Mt. Comment
  UC55022  Salix scouleriana Milo S. Baker 1893-6-6 Modoc Big Valley Mts. Comment
  POM362919  Salix scouleriana H. E. McMinn 1931-5-23 2474 Modoc [Unspecified] Comment
  RSA0025571  Salix scouleriana John F. Emmel 1996-7-16 1442 Modoc Warner Mtns., west slope; Pine Creek Canyon, 3.4 road mi east of Hwy 395. 1634 Comment
  CAS-BOT-BC179251  Salvia aethiopis B. Bartholomew 1995-7-31 7078 Modoc Ca. 1.6 km N of turn off to Cedarville on U.S. Hwy 395. 1350 Comment
  RSA518915  Salvia aethiopis George K. Helmkamp 1990-9-23 H- 5 Modoc [No location information provided on label.] 1341 Comment
  SEINET14188975 Image available Salvia aethiopis P. C. Martinelli, T. C. Fuller 1974-7-19 s.n. Modoc Alturas area Comment
  CAS-BOT-BC179247  Salvia dorrii var. dorrii B. Bartholomew 1990-6-17 5297 Modoc Along Emerson Creek, 3.9 km SW of County Rd 1, E side of Warner Mts. 1700 Comment
  UC585165  Salvia dorrii var. dorrii E. B. Babcock, G. L. Stebbins Jr. 1936-6-9 1819 Modoc about 3 mi w Cedarville; Warner Mountains, Cedar Creek Canyon 1524 Comment
  CAS-BOT-BC184106  Salvia dorrii var. pilosa Elmer I. Applegate 1935-6-7 9408 Modoc Lava Beds National Monument. Indian Wells Ranger Station Comment
  SEINET3158619  Salvia lemmonii E. K. Balls 1950-5-11 14622 Modoc 4 mi S of Fort Bidwell, W of Upper Lake 1402 Comment
  CAS-BOT-BC238782  Sambucus nigra subsp. caerulea Roxana S. Ferris; Rena Duthie 1919-6-15 189 Modoc Parker Creek, Modoc Nat. Forest Bound. Comment
  CAS-BOT-BC95177  Sambucus racemosa var. melanocarpa Bruce Bartholomew 1989-7-14 4943 Modoc N side of the Pit River near Ostrom Point ca. 5.5 km E of County Route 91. 1280 Comment
  CAS-BOT-BC95180  Sambucus racemosa var. melanocarpa K. Paulson; Robert Paulson 1991-8-28 254 Modoc Poison Lake, N end of Warner Mountains. 1828 Comment
  JEPS46338  Sanguisorba annua Frances D. Payne 1931-6-18 199 Modoc s and e Alturas (Parker Creek, Warner Mountains); Warner Mountains, Parker Creek 1584 Comment
  RSA424426  Sanguisorba annua Margaret J. Williams 1983-9-13 83- 151 -1 Modoc Road from Alturas to Cedarville. 3.8 miles W of Cedar Pass. 6.7 miles from jct of Hwy 299 and Cedarville Road. 1555 Comment
  CAS-BOT-BC15678  Sanicula graveolens Bruce Bartholomew 1992-5-16 6335 Modoc NW side of Sweagert Flat. 1850 Comment
  CAS-BOT-BC15720  Sanicula graveolens K. Paulson; Robert Paulson 1988-5-24 13 Modoc Parker Creek Road, Warner Mts.. 1645 Comment
  JEPS1006  Sanicula graveolens L. S. Smith 1918-1 1124 Modoc Warner Mountains, Deep Creek Deep Creek; Warner Mountains, Deep Creek 1889 Comment
  RSA164354  Sanicula graveolens Clare B. Hardham 1961-6-18 7590 -B Modoc Cedar Pass. 1829 Comment
  RSA531363  Sanicula graveolens Bruce Bartholomew, B. Anderson 1990-7-20 5532 Modoc 3.4 Km NW of Tamarack Flat, E side of Warner Mts. 2130 Comment
  RSA520501  Saponaria officinalis Bruce Bartholomew 1989-8-10 5050 Modoc N side of Widow Valley, 10.1 km E of Day on County Road 94. Comment
  UC1037305  Saxifraga nidifica var. nidifica Leo Whitney 1934-5-5 1606 Modoc 15 mi w of Canby (Happy Camp); Modoc National Forest, Happy Camp 1463 Comment
  POM204151  Saxifraga oregana John T. Howell 1934-6-14 12141 Modoc Near Lost Lake, Warner Mts. 2439 Comment
  UC11790  Saxifraga oregana Milo S. Baker 1893-6 Modoc Comment
  UCD126456  Schedonorus arundinaceus L. Whitney 1935-7-7 3389 Modoc Howard Gulch, 4 miles NW of Canby. Comment
  POM111559  Schoenoplectus acutus var. occidentalis Mrs. R. M. Austin 1895-08 487 Modoc Goose Lake Comment
  CAS-BOT-BC245129  Schoenoplectus americanus Herbert Louis Mason 1947-8-11 13491 Modoc Hwy 81, W margin of Lower Lake, near boundary with Lassen County. Comment
  UC1100876  Scirpus americanus Herbert L. Mason 1947-8-11 13499 Modoc on Highway 81 w margin Lower Lake (near boundary between Lassen and Modoc counties); w margin Lower Lake Comment
  JEPS114910  Scirpus microcarpus Lowell Ahart, John Dittes 2008-8-26 15354 Modoc On the bottom of Rose Creek, 250 feet southwest of confluence of Rose Creek and Pit River, on the northwest side of unnamed road, 3160 feet east of intersection with County Road 85a, 9.3 miles (air) north-northeast of Lookout 1276 Comment
  UC1100837  Scirpus microcarpus Herbert L. Mason, Verne Grant 1947-7-13 13346 Modoc Joseph Creek on Highway 395 n Davis Creek (e side Goose Lake); , Joseph Creek, n of Davis Creek Comment
  UCD69396  Scolochloa festucacea D. Marcum 1997-10-14 s.n. Modoc Southern Modoc County, near border of Lassen County, near town of Adin. Not previously reported from California. Known from Klamath Marshes in Oregon. 1300 Comment
  CAS-BOT-BC252546  Scribneria bolanderi Alice Eastwood; John Thomas Howell 1940-6-15 8297 Modoc 5 mi. N of Lookout. Comment
  HSC21139  Scrophularia californica R. C. Wunner 1965-6-20 215 Modoc California Lava Beds National Monument, Garden Bridges Cave 1524 Comment
  CAS-BOT-BC197845  Scrophularia lanceolata Edward Kent Balls 1950-5-21 14820 Modoc South Fork Public Camp, South Fork Pit River. 1478 Comment
  CAS-BOT-BC179232  Scutellaria antirrhinoides Belknap C. Goldsmith 1912-7-1 60 Modoc Little Hot Spring Valley. 1219 Comment
  CAS-BOT-BC179228  Scutellaria nana B. Bartholomew 1992-5-15 6299 Modoc N end of Suprise Valley, S of Cow Head Lake. Surprise Valley 1600 Comment
  CAS-BOT-BC95608  Sedum lanceolatum Robert Patterson; Mona Bourell 1993-8-15 5270 Modoc Warner Mountains. Along trail from Patterson Lake to ca. 2 mi north towards Pepperdine Trailhead. 2743 Comment
  CAS-BOT-BC95609  Sedum lanceolatum Elmer Ivan Applegate 1932-8-9 8179 Modoc Arid summit of Cedar Mountain, Cedar Pass, Warner Mts. Comment
  UC1567433  Sedum rosea subsp. integrifolium G. Schoolcraft 1989-7-16 1954 Modoc s side Patterson Lake (Warner Mtns.); , s side Patterson Lake 2834 Comment
  UC205196  Sedum stenopetalum W. P. Taylor and H. C. Bryant 1910-6-25 Modoc Parker Cr Warner Mountains 1676 Comment
  UC748223  Sedum stenopetalum Annie M. Alexander and Louise Kellogg 1946-8-8 5123 Modoc Patterson Lake Trail , Patterson Lake Trail (Warner Mountains) Comment
  UCSC000333  Sedum stenopetalum F. H. Frost 1925-7-13 75 Modoc Summit, Cedar Canyon - Warner Mountians Comment
  CAS-BOT-BC95620  Sedum stenopetalum subsp. stenopetalum Bruce Bartholomew 1990-6-17 5344 Modoc 4 km N of Buck Creek Ranger Station at turn off to Del Prat Spring, W side of Warner Mts. 1900 Comment
  RSA164402  Sedum stenopetalum subsp. stenopetalum Clare B. Hardham 1961-6-18 7558 Modoc East of Cedar Pass. 1829 Comment
  SD47967  Sedum stenopetalum subsp. stenopetalum Herbert L. Mason 1957-7-6 14719 a Modoc Mill Creek, Warner Mountains. 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
  CDA8609  Senecio eurycephalus T. R. Haig 1962-5-21 Modoc Cedar Pass Road, 7 miles east of Highway 395. 0 Comment
  RSA252461  Senecio eurycephalus R. F. Thorne, C. W. Tilforth 1969-9-5 39150 Modoc Near Mill Creek Falls. Modoc Nataional Forest, Warner Mts. 1753 Comment
  CAS-BOT-BC50312  Senecio eurycephalus var. eurycephalus Margaret J. Williams 1984-6-30 84- 83 -1 Modoc 16.3 mi. on Parker Creek road, paved road to Cedar Pass road 1.5 mi. 1524 Comment
  CAS-BOT-BC50280  Senecio fremontii var. fremontii Elmer Ivan Applegate 1932-8-1 8048 Modoc Eastern slope of Warren Peak near summit, Warner Mountains Comment
  CAS-BOT-BC50263  Senecio integerrimus Roxana Stinchfield Ferris; R. Duthie 1919-6-14 127 Modoc Parker Creek, Warner Mountains 2133 Comment
  CAS-BOT-BC50261  Senecio integerrimus var. exaltatus James Vale 1978-5-2 Modoc Boles Creek at Road 136 (E of S end of Clear Lake Reservoir). Comment
  CAS-BOT-BC50289  Senecio integerrimus var. exaltatus Bruce Bartholomew; Barrett Anderson 1988-5-14 4198 Modoc 0.8 km W of Goose Lake on USFS road 47N09 to Crowder Flats. 1430 Comment
  CHSC67430  Senecio integerrimus var. exaltatus James D. Jokerst 1987-5-13 2867 Modoc Radar Survey Site S of Doublehead Mtn., S of Clear Lake Reservoir, S end of northern sector. 1359 Comment
  JEPS17739  Senecio integerrimus var. exaltatus Rimo Bacigalupi with G. Thomas Robbins 1955-7-20 5396 Modoc 3.3 mi e Patterson Ranger Station (forest road across the s end of the Warner Range); Warner Range 2225 Comment
  UC615050  Senecio integerrimus var. exaltatus Beryl O. Schreiber 1934-6-19 1165 Modoc Lost Lake Warner Mountains Comment
  CHSC118817  Senecio serra var. serra L. P. Janeway 2015-8-9 11827 Modoc Warner Mountains. Near head of a northwest-facing bowl of a drainage of Coyote Creek where Road 39N06A crosses it; 0.8 road-km east of Road 39N06. 2088 Comment
  RSA0013302  Senecio serra var. serra L. C. Wheeler 1935-8-4 3782 Modoc Dry Lake, Pine Creek, Warner Mts. 2104 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
  CHSC14078  Sidalcea oregana K. R. Stern; D. B. Joley, J. G. Geschke 1974-6-22 5830 Modoc Ca. 0.5 mi w of w margin of Egg Lake. 1295 Comment
  HSC16023  Sidalcea oregana M. T. Milligan 1966-7-5 553 Modoc Slopes and ridges E of Jess Valley 1768 Comment
  CAS-BOT-BC179061  Sidalcea oregana subsp. oregana John Thomas Howell 1934-6-30 12286 Modoc Duncan Horse Camp. 1355 Comment
  CAS-BOT-BC179064  Sidalcea oregana subsp. oregana Elmer Ivan Applegate 1932-8-4 8150 Modoc N edge of Jess Valley. Comment
  CAS-BOT-BC179075  Sidalcea oregana subsp. oregana Bruce Bartholomew; Barrett Anderson 1989-6-3 4903 Modoc ca. 5 km NW of Egg Lake and ca. 0.8 km W of Service Flat Gulch. 1370 Comment
  CAS-BOT-BC179080  Sidalcea oregana subsp. oregana Amos Arthur Heller 1938-6-24 15227 Modoc Between Alturas and Canby. 1219 Comment
  HSC32488  Sidalcea oregana subsp. oregana A. M. Montalvo, J. D. Ackerman 1974-7-4 360 Modoc Howard's Gulch, 6 mi. NW of Canby, off Hwy. 139. Comment
  UC18927  Sidalcea oregana subsp. oregana Milo S. Baker 1893-7-10 Modoc Comment
  UC18928  Sidalcea oregana subsp. oregana Milo S. Baker 1893-7-10 Modoc Comment
  CAS-BOT-BC179051  Sidalcea oregana subsp. spicata E. S. Willits 1940-6-9 338 Modoc 12 Mile Creek. Comment
  CAS-BOT-BC179054  Sidalcea oregana subsp. spicata Leland S. Smith 1922-7-13 1265 Modoc Crowder Flat Ranger Station Pasture. 1463 Comment
  CAS-BOT-BC248341  Sidalcea oregana subsp. spicata B. Bartholomew; H. Sun 2002-6-24 8824 Modoc S end of Sweagert flat ca. 15.3 straight line km WNW of Aden 1820 Comment
  JEPS67273  Sidalcea oregana subsp. spicata Leland S. Smith 1918-8-12 1031 Modoc Camp One s slope South Warner Mts., Modoc Forest, Camp One T38-16 (South Warner Mts., Modoc Forest) 2468 Comment
  RSA666420  Sidalcea oregana subsp. spicata Barbara Ertter 1988-6-18 7612 Modoc West side of Highway 139 just south of where it crosses railroad at junction to Clear Lake, northeast of Dry Lake east of Lava Beds National Monument. 1250 Comment
  RSA448222  Sidalcea oregana subsp. spicata George Willet 1935-6-26 s.n. Modoc Jess Valley, Warner Mountains 1829 Comment
  POM101035  Silene douglasii Mrs. R. M. Austin 1895-08 423 Modoc Willow Creek (Devils Garden). Comment
Read comments
Nov 26 2011
  SEINET11944331  Silene douglasii M. Ownbey, Meyer, F. G. 1940-1 2154 Modoc Cedar Peak, Warner Mts Comment
  UC71563  Silene douglasii Mrs. M. H. Manning Aug 27 1903-Sep 5 1904 338 Modoc Tamarack Grove , Mt. Bidwell (Mt. Bidwell, north-eastern Modoc County) Comment
  CAS-BOT-BC95252  Silene douglasii var. douglasii Annie Montague Alexander; L. Kellogg 1946-7-7 4939 Modoc Eight Mile Creek, NE corner of County. 1752 Comment
  CAS-BOT-BC389519  Silene menziesii Arnold Tiehm 1984-6-30 8840 Modoc NW side of Bidwell Mt., 2.8 road miles north of 8 mile creek on the road from Lake Annie 1828 Comment
  RSA324578  Silene menziesii subsp. dorrii A. Tiehm 1984-6-30 8840 Modoc NW side of Bidwell Mt., 2.8 road miles north of 8 mile creek on the road from Lake Annie. 1829 Comment
  CAS-BOT-BC95045  Sisymbrium altissimum Bruce Bartholomew 1993-6-14 6648 Modoc 2 km E of County Road 114 on County Road 108, NW of Clear Lake Reservoir. 1320 Comment
  CAS-BOT-BC95046  Sisymbrium altissimum Bruce Bartholomew; Barrett Anderson 1988-6-23 4258 Modoc 1.8 km WSW of Day on County Road 94. 1170 Comment
  CHSC117365  Sisymbrium altissimum Lowell Ahart; John Dittes 2016-7-14 21180 Modoc West side of a new pond, south of Ash Creek Canal (now filled in), south of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. 1273 Comment
  UCD115502  Sisymbrium altissimum Herbert L. Mason 1947-7-10 13346 Modoc Dorris Reservoir, 2 miles east of Alturas. Comment
  UC1537630  Sium suave Gordon H. True Jr. 1939-7-21 1028 Modoc n of Canby (Jack Swamp); Jack Swamp Comment
  UC71554  Sium suave Mrs. M. H. Manning 1903-7-1 461 Modoc Mill Canyon, Bidwell Creek, in north-eastern Modoc County Bidwell Creek; Mill Canyon, Bidwell Creek 1828 Comment
  SEINET3991592  Smilacina amplexicaulis Unknown 1940-5-27 Modoc 15 miles NE of Alturas. 1615 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
  CDA39384  Smilacina stellata T. C. Fuller 1963-6-11 10654 Modoc 3.1 miles north of Blue Lake Guard Station, 14.0 miles southeast of Likely. 0 Comment
  CAS-BOT-BC245432  Solanum physalifolium var. nitidibaccatum Francis Dorris Payne 1932-7-18 712 Modoc Parker Creek. 1584 Comment
  JEPS12132  Solanum triflorum F. H. Frost 1925-7-20 92 Modoc 2 mi above Cedarville (Cedar Camp); Cedar Camp Comment
  UC1191777  Solanum triflorum Verne Grant, Irving Schneider 1947-8-27 8319 Modoc sw end of Clear Lake Clear Lake Comment
  UC1191778  Solanum triflorum Herbert L. Mason, Verne Grant 1947-7-10 13341 Modoc 2 mi e of Alturas (Dorris Reservoir); Dorris Reservoir Comment
  CAS-BOT-BC245428  Solanum triflorum Belknap C. Goldsmith 1912-9-1 74 Modoc Modoc County. 1341 Comment
  SEINET7262122 Image available Solanum triflorum Robbins, Raynor June 1943 s.n. Modoc Corporation Ranch, Likely Comment
  UCD126815  Solanum triflorum Verne Grant; Irving Schneider 1947-8-27 8319 Modoc Southwest end of Clear Lake. Comment
  POM42201  Solidago canadensis subsp. elongata Mrs. R. M. Austin 573 Modoc Alturas Comment
  UCD135905  Solidago confinis Herbert L. Mason 1947-8-9 13459 Modoc Ingalls Swamp, north of Big Sage Reservoir, northwest of Alturas. Comment
  JEPS32388  Solidago elongata L. S. Smith 1918-8-11 1022 Modoc Camp One T38.16 Modoc National Forest, Camp One T38.16 2438 Comment
  UC1999896  Solidago elongata J. C. Semple, B. A. Suripto, T. Ahmed 1990-8-11 9295 Modoc NE of Alturas, flood plain of N. Fork Railroad by US-395, approx. 2 km S of Joseph Creek Rd. Comment
  JEPS114432  Solidago velutina subsp. californica Lowell Ahart, John Dittes 2008-8-26 15343 Modoc On the banks of Rose Creek, 250 feet southwest of the confluence of Rose Creek and Pit River, on the northwest side of unnamed road, 3,160 feet east of intersection with County Road 85a, 9.3 miles (air) north-northeast of Lookout 1276 Comment
  CAS-BOT-BC54291  Sonchus asper subsp. asper Bruce Bartholomew 1994-5-28 6710 Modoc 8.5 km E of Likely on road to Jess Valley along the S Fork of the Pit River. 1620 Comment
  JEPS44992  Sorbus scopulina W. L. Jepson 1918-8-7 7900 Modoc n fork Bidwell Creek; Warren Mts 1828 Comment
  SBBG3121  Sorbus sitchensis H. and M. Dearing 1939-6-8 3638 Modoc Cave Lake, Warner Mtns Comment
  CAS-BOT-BC242253  Sparganium emersum Bruce Bartholomew 1995-7-30 7072 Modoc Drainage from Taylor Reservoir just E of junction of County roads 93 and 94. 1260 Comment
  CHSC111410  Sparganium emersum Lowell Ahart; John Dittes 2012-7-10 18326 Modoc East of the fence, northwest of the old homestead, Ash Creek State Wildlife Area, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  UCD94836  Sparganium emersum Herbert L. Mason; Verne Grant 1947-7-12 13433 Modoc Corporation Ranch Headquarters, north of Likely. Comment
  JEPS32229  Sparganium emersum var. emersum W. L. Jepson 1918-8-12 7949 Modoc Jess Valley 1584 Comment
  JEPS32231  Sparganium emersum var. emersum Mrs. M. H. Manning Jun 1903 434 Modoc ne Modoc County Comment
  CAS-BOT-BC95284  Spergularia rubra Bruce Bartholomew; Barrett Anderson 1988-7-23 4583 Modoc Dismal Swamp, Warner Mts.. 2180 Comment
  CAS-BOT-BC54293  Sphaeromeria potentilloides var. potentilloides Harry Dwight Dillon Ripley; Rupert Charles Barneby 1944-5-30 5984 Modoc N of Likely. Comment
  CAS-BOT-BC245024  Spirodela polyrhiza Bruce Bartholomew 1989-8-11 5052 Modoc Along W side of Goose Lake, 4.2 km N of McGinty Point on National Forest Road 48. 1430 Comment
  CAS-BOT-BC179212  Stachys pilosa Annie Montague Alexander; L. Kellogg 1946-7-12 4984 Modoc Twelve Mile Creek, NE corner of county. Comment
  HSC1957  Stachys rigida var. rigida M. T. Milligan 1966-6-30 500 Modoc Slopes and ridges E of Jess Valley 1768 Comment
  HSC4291  Stellaria longipes M. T. Milligan 1966-7-3 544 Modoc Slopes and ridges E of Jess Valley 2073 Comment
  CAS-BOT-BC95297  Stellaria longipes var. longipes Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10548 Modoc Patterson Ranger Station (East Creek drainage). 2164 Comment
  UC1101390  Stellaria longipes var. longipes Verne Grant and Irving Schneider 1947-8-24 8252 Modoc Jess Valley; Warner Mountains Comment
  HSC4281  Stellaria media M. T. Milligan 1966-4-8 453 Modoc N end of Jess Valley 1616 Comment
  CAS-BOT-BC54300  Stenotus acaulis Elmer Ivan Applegate 1932-7-9 7574 A Modoc North slope of Bidwell Mountain, Warner Mountains Comment
  RSA59847  Stenotus stenophyllus E. K. Balls 1950-5-17 14730 Modoc South shore, Clear Lake Bird Refuge 1381 Comment
  JEPS36864  Stephanomeria lactucina Milo S. Baker 1894-7-30 Modoc Silver Lake Comment
  CAS-BOT-BC54272  Stephanomeria tenuifolia Annie Montague Alexander; L. Kellogg 1946-7-5 4908 Modoc Lava Cliff west Lower Lake. Comment
  SEINET195472  Stephanomeria tenuifolia Annie M. Alexander, Loise Kellogg 1946-7-5 4908 Modoc Lava Cliff west Lower Lake. Comment
  UCR34680  Stipa nevadensis J. A. Harpel 1981-8-6 V 12 Modoc Warner Mtns, South Warner Wilderness Area: E end of Patterson Lake, 7 mi NW of Eagleville 2744 Comment
  HSC9869  Stipa thurberiana Thomas W. Stark 1967-7-16 85 Modoc 2 mi. S of Lava Beds Natl. Monument, 10 mi. W of the town of Perez 915 Comment
  NY188845  Streptanthella longirostris B. M. Bartholomew 1993-6-13 6641 Modoc W of Leonard Hot Spring, E side of Surprise Valley. 1410 Comment
  POM95360  Streptanthus cordatus Mrs. R. M. Austin, C. C. Bruce 1898-06 2245 Modoc Hills near Davis Creek. Comment
  CAS-BOT-BC95058  Streptanthus cordatus var. cordatus Leland S. Smith 1918-6-22 965 Modoc Pine Creek, Lily Lake. 1981 Comment
  CAS-BOT-BC95060  Streptanthus cordatus var. cordatus Robert J. Weatherby 1955-7-8 1628 Modoc 6 mi. N of Ft. Bidwell, northern Warner Mts. 1645 Comment
  CAS-BOT-BC95069  Streptanthus cordatus var. cordatus Francis Marion Ownbey; Frederick Gustav Meyer 1940-7-1 2135 Modoc Cedar Pass, Warner Mts. Comment
  CAS-BOT-BC242263  Stuckenia striata Milo Samuel Baker 1899-8-24 s.n. Modoc Pit River at Lookout. Comment
  CAS-BOT-BC95574  Suaeda calceoliformis Elmer Ivan Applegate 1932-7-6 8197 Modoc E side of Middle Lake, Surprise Valley. Along the nevada state line. Comment
  UC22713  Swertia albicaulis var. nitida Milo S. Baker 1894-6-13 Modoc near Egg Lake Comment
  CHSC111994  Swertia radiata B. Castro; L. P. Janeway 2008-8-17 1749 Modoc Warner Mountains. North slope of Bald Mountain; mid-slope near upper edge of last row of trees. 2308 Comment
  JEPS46349  Swertia radiata F. Payne 1929-7-12 98 Modoc Lost Lake Ridge Warner Mts. Comment
  POM193017  Symphoricarpos mollis M. S. Baker 1893-1 193 Modoc Medicine Lake. Comment
  CAS-BOT-BC95189  Symphoricarpos rotundifolius var. rotundifolius Annie M. Alexander; Miss Louise Kellogg 1946-7-3 4898 Modoc Bidwell Creek Canyon, 7 miles west of Fort Bidwell, north bank of road. 1444 Comment
  HSC4012  Symphoricarpos rotundifolius var. rotundifolius M. T. Milligan 1966-7-3 541 Modoc Slopes and ridges E of Jess Valley. 1768 Comment
  CAS-BOT-BC5519  Symphoricarpos vaccinioides Mrs. R. M. Austin 1887-1-1 s.n. Modoc unspecified Comment
  JEPS114494  Symphyotrichum ascendens Lowell Ahart, John Dittes 2008-8-25 15293 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
  UC86736  Symphyotrichum ascendens Mrs. R. M. Austin Jun 1894 207 Modoc Goose Lake Valley Comment
  UC469064  Symphyotrichum bracteolatum Franklin P. Nutting Modoc Forestdale Comment
  UC1192166  Symphyotrichum bracteolatum Verne Grant and Irving Schneider 1947-8-28 8332 Modoc nw of, at Jack Swamp Alturas Comment
  UC71583  Symphyotrichum bracteolatum Mrs. M. H. Manning Modoc north-eastern Modoc County Comment
  UC86874  Symphyotrichum bracteolatum Mrs. R. M. Austin 1894-8-1 239 Modoc Banks of Pitt River Pitt River Comment
  JEPS40757  Symphyotrichum foliaceum W. L. Jepson 1918-8-11 7942 a Modoc Jess Valley 1584 Comment
  UC912289  Symphyotrichum foliaceum F. H. Frost 1925-7-12 42 Modoc Stow's Meadow Warner Mts., Cedar Canyon Comment
  JEPS89332  Symphyotrichum frondosum Dean W. Taylor 1987-8-25 9281 Modoc near the outlet dam Clear Lake Reservoir; Modoc Plateau, Clear Lake Reservoir Quad. 1371 Comment
  UC1192072  Symphyotrichum frondosum Verne Grant and Irving Schneider 1947-8-27 8317 Modoc southwest end of Clear Lake Comment
  UC71762  Symphyotrichum frondosum Mrs. M. H. Manning 1902-9-1 17 Modoc Comment
  UC748098  Symphyotrichum spathulatum Annie M. Alexander and Louise Kellogg 1946-7-13 4991 Modoc Cowhead Lake Comment
  CAS-BOT-BC15174  Symphyotrichum spathulatum var. spathulatum Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10571 Modoc East Creek ca. 1 mi. E of Patterson Ranger Station,Warner Mountains, Modoc National Forest Comment
  CAS-BOT-BC232353  Synthyris missurica Bruce Bartholomew; Barrett Anderson 1990-7-20 5494 Modoc 10.3 km N of Buck Creek Ranger Station, crest of Warner Mountains W side of Warner Mts. 2130 Comment
  CAS-BOT-BC232363  Synthyris missurica Robert Patterson; Mona Bourell 1993-8-14 5224 Modoc Patterson Lake. South Warner Wilderness Area. Warner Mountains. 2743 Comment
  CHSC30633  Synthyris missurica NEH Prouty 1980-6-2 174 Modoc Modoc National Forest, Warner Mt. District. Sheep Rock T.S. Comment
  SBBG7212  Synthyris missurica H. and M. Dearing 1939-6-8 3607 Modoc Lily Lake, Warner Mtns 2133 Comment
  SEINET231318 Image available Taeniatherum caput-medusae Margaret J. Williams 1984-1 84- 75 -3 Modoc 27.4 mi N of Cedar Pass road on Hwy 395. 1300 Comment
  CHSC117362  Taraxacum officinale Lowell Ahart; John Dittes 2016-7-14 21158 Modoc West side of a new pond, south of Ash Creek Canal (now filled in), south of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. 1273 Comment
  RSA101506  Taraxacum officinale R. Weatherby 1955-7-7 1599 Modoc Dismal Swamp, northern Warner Mountains. 2241 Comment
  CAS-BOT-BC54230  Tetradymia canescens E. S. Willits 1939-10-10 159 Modoc Surprise Valley. Comment
  HSC67874  Tetradymia canescens J. P. Smith, J. O. Sawyer 1973-8-8 7247 Modoc S slopes of Eagle Peak 2561 Comment
  SD61011  Tetradymia canescens Darley F. Howe 1964-8-1 Modoc 11 miles south of Alturas on Highway 395 1280 Comment
  CAS-BOT-BC54239  Tetradymia glabrata E. S. Willits 1940-6-9 334 Modoc Cedarville. Comment
  RSA520431  Tetradymia spinosa Bruce Bartholomew, B. Anderson 1989-6-2 4819 Modoc SE corder of Upper Alkali Lake, E side of Surprise Valley. 1400 Comment
  CAS-BOT-BC217133  Thalictrum fendleri Leland S. Smith 1922-7-20 1307 Modoc Rush Creek Ranger Station pasture. 1905 Comment
  POM260443  Thalictrum occidentale var. palousense C. L. Hitchcock 1940-5-27 6704 a Modoc 15 miles northeast of Alturas. 1616 Comment
  HSC1958  Thalictrum sparsiflorum M. T. Milligan 1966-7-27 588 Modoc E of Jess Valley 1646 Comment
  CAS-BOT-BC95075  Thelypodium flexuosum Bruce Bartholomew; Barrett Anderson 1989-4-29 4704 Modoc Sand Creek, E side of Surprise Valley, ca. 10 km E of Cedarville. 1400 Comment
  CAS-BOT-BC95081  Thelypodium milleflorum Bruce Bartholomew 1994-5-15 6690 Modoc E of Eagleville near the Eagleville Airport, Surprize Valley. 1380 Comment
  CAS-BOT-BC181799  Thermopsis californica var. argentata Milo Samuel Baker; Franklin P. Nutting 1894-6-1 s.n. Modoc Forestdale. Comment
  CAS-BOT-BC181801  Thermopsis californica var. argentata Milo Samuel Baker June 12 s.n. Modoc Forestdale. Comment
  CHSC99967  Thermopsis californica var. argentata Lowell Ahart; John Dittes 2008-8-26 15333 Modoc On the sides of an unnamed road, 200 feet east of intersection with County Road 85a, 9.3 miles (air) north-northeast of Lookout. 1276 Comment
  POM16961  Thermopsis californica var. argentata Milo S. Baker 1899-8-14 s.n. Modoc Forestdale Comment
  UCD149862  Thermopsis californica var. argentata Harry George 1967-6-15 s.n. Modoc Egg Lake. Comment
  SEINET7419298  Thermopsis gracilis M. S. Baker 1893-1 s.n. Modoc Forestdale Comment
  UC54938  Thermopsis macrophylla var. argentata Milo S. Baker 1899-8-14 Modoc Forestdale (Egg Flat) Comment
  HSC6974  Thlaspi arvense M. T. Milligan 1965-6-23 307 Modoc N end Jess Valley 1616 Comment
  CAS-BOT-BC95083  Thlaspi arvense Leland S. Smith 1919-5-4 1092 Modoc Alturas-Plateau. 1371 Comment
  CDA3887  Thlaspi arvense T. C. Fuller 1958-7-8 1936 Modoc Corporation Ranch, Likely. 0 Comment
  UCD115576  Thlaspi arvense W. S. Ball 1937-6-28 s.n. Modoc Modoc County. Comment
  CAS-BOT-BC66413  Thysanocarpus curvipes B. Bartholomew; B. Anderson 1989-6-1 4738 Modoc Ca. 0.5 km south of State Higway 299 on road to Shaker Spring. 1420 Comment
  UC402563  Thysanocarpus curvipes Milo S. Baker 1893-1 Modoc Forestdale Comment
  RSA520375  Thysanocarpus curvipes var. curvipes Bruce Bartholomew, B. Anderson 1989-6-1 4738 Modoc Ca. 0.5 km S of State Hwy 299 on road to Shaker Spring. 1420 Comment
  SEINET201659 Image available Torreyochloa pallida var. pauciflora A. Cronquist, AH Holmgren 1959-6-19 8514 Modoc Clear Lake: along Mill Creek at head of Clear Lake Warner Mountains. 15 miles east of Likely 1829 Comment
  UCD32681  Torreyochloa pallida var. pauciflora Beecher Crampton 1954-7-6 2092 Modoc Modoc County, Road 56, following Shields Creek into Warner Mountains, 22 miles east of Alturas. 1676 Comment
  UCD93181  Torreyochloa pallida var. pauciflora Beecher Crampton; Carl W. Rimbey 1954-7-6 2092 Modoc following Shields Creek into Warner Mountains, 20 miles east of Alturas. 1676 Comment
  CDA7715  Tragopogon dubius T. C. Fuller 1960-7-8 4716 Modoc South of 4th Street, east of East Street, Alturas. 0 Comment
  JEPS117467  Tribulus terrestris Lowell Ahart, John Dittes 2010-8-31 17132 Modoc West side of Elkins Lane, about 10 yards south of the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley 1267 Comment
  CAS-BOT-BC179196  Trichostema simulatum Margaret J. Williams 1985-8-13 85- 66 -4 Modoc Big Sage Reservoir. 1524 Comment
  SEINET7356249  Trichostema simulatum Margaret J. Williams 1985-8-13 85- 66 -4 Modoc Big Sage Reservoir. N.W. of Alturas.; 0 1524 Comment
  SEINET7972666  Trichostema simulatum M. J. Williams 1985-8-13 85- 66 -4 Modoc Big Sage Reservoir, NW of Alturas 1524 Comment
  CAS-BOT-BC181782  Trifolium cyathiferum Francis Dorris Payne 1931-6-18 191 Modoc Parker Creek. 1584 Comment
  SEINET8263290  Trifolium cyathiferum Unknown 2006-8-4 1270 Modoc Warner Mts., Modoc National Forest, Patterson Station Campground. 2109 Comment
  UCD107921  Trifolium eriocephalum var. harneyense Collector Unknown 1949-6-1 s.n. Modoc Near Eagleville. Comment
  CAS-BOT-BC181774  Trifolium hybridum Bruce Bartholomew 1995-8-1 7169 Modoc Ca. 1.6 km SE of Fort Bidwell on Fee Rd. 1390 Comment
  RSA503254  Trifolium longipes subsp. multipedunculatum Bruce Bartholomew, B. Anderson 1988-6-24 4305 Modoc Road beyond Poison Lake, ca. 8 km S of the road from Hwy 395 to Lily Lake, Warner Mountains. 2130 Comment
  JEPS33196  Trifolium longipes var. hansenii L. S. Smith 1917-1 792 Modoc Jess Valley Warner Mtns Comment
  JEPS33192  Trifolium longipes var. hansenii Milo S. Baker 1893-5-26 Modoc Goose Valley Comment
  CAS-BOT-BC181730  Trifolium macrocephalum Bruce Bartholomew; Barrett Anderson 1988-5-14 4191 Modoc 7 km S of turn off to Crowder Flats along West Side Road, W side of Goose Lake. 1410 Comment
  CHSC118091  Trifolium macrocephalum L. P. Janeway 2016-5-17 12009 Modoc Modoc Plateau. Devils Garden area; flat just below (west of) Por-cupine Rim; 0.3 km north of Road 43N18; 4.0 air-km west of Big Sage Reservoir 1544 Comment
  CHSC67111  Trifolium macrocephalum James D. Jokerst 1987-5-11 2826 Modoc Radar Survey Site S of Doublehead Mtn., S of Clear Lake Reservoir. 1363 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
  SEINET10487918  Trifolium macrocephalum LeRoy E. Detling 1948-5-24 Detling 6258 Modoc N fk pit river, sec 17, t43n, r14e, sagebrush, juniper, artemisia tridentata, Level plateau, wet scabland in full sun. 1463 Comment
  UC555480  Trifolium pratense F. H. Frost 1925-7-24 126 Modoc Jess Valley Warner Mtns Comment
  CAS-BOT-BC181756  Trifolium productum Roxana Stinchfield Ferris; L. Lorraine 1941-8-14 10579 Modoc Three miles from Patterson Ranger Station on road to Eagleville. Warner Mountains. Modoc National Forest Comment
  CAS-BOT-BC181766  Trifolium productum Bruce Bartholomew 1990-8-4 5648 Modoc Top of pass on Summit Trail, ca. 0.5 km SE of Patterson Lake, E side of Warner Mts. 2800 Comment
  NY717606  Trifolium variegatum B. M. Bartholomew 1994-7-1 6761 Modoc 11.9 km northwest of State Highway 299 on road to Dutch Flat 1400 Comment
  JEPS121209  Trifolium wormskioldii Lowell Ahart, John Dittes 2013-7-24 18942 Modoc South margin 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
  JEPS66094  Trifolium wormskioldii L. S. Smith 1920-7-13 1183 Modoc Crowder Flat Ranger Station Comment
  UC1191485  Trifolium wormskioldii Herbert L. Mason and Verne Grant 1947-7-12 13437 Modoc n Likely (Corporation Ranch Headquarters) Comment
  CAS-BOT-BC245033  Triglochin concinna var. debilis Herbert Louis Mason; Verne Grant 1947-7-12 13438 Modoc Corporation Ranch Headquarters, N of Likely. Comment
  RSA603017  Trisetum spicatum L. C. Wheeler 1935-8-3 3753 Modoc Dismal Swamp, Twenty Mile Creek, Warner Mts. 2226 Comment
  SEINET5424184  Trisetum spicatum D. Charlet 1989-8-17 554 Modoc Warner Mountains, 1.3 km northwest of Eagle Peak 2550 Comment
  RSA602587  Trisetum wolfii L. C. Wheeler 1935-8-16 3876 Modoc Warner Mountains: Dismal Swamp, Twenty Mile Creek. 2226 Comment
  JEPS86360  Triteleia hyacinthina Jack and Betty Guggolz 1988-6-30 967 Modoc Comment
  RSA163748  Triteleia hyacinthina Clare B. Hardham 1961-6-17 7516 Modoc Cedar Pass Camp Ground, Warner Mountains Comment
  SJSU9702  Triteleia hyacinthina W. Savage 1979-7-10 1531 Modoc Oregon Rim Unit, Devols Garden Districy, Modoc National Forest 1645 Comment
  UC421811  Triteleia hyacinthina M. F. Gilman 613 Modoc 1676 Comment
  CAS-BOT-BC252533  Triticum aestivum Leland S. Smith 1920-9-12 1192</