Search Results — 2000 specimen records retrieved (1480 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

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

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC15629  Achillea millefolium R. M. Austin 1894-6-1 Modoc Lava beds. Comment
  CAS-BOT-BC15638  Achillea millefolium Robert Patterson; Mona Bourell 1993-8-14 5231 Modoc Patterson Lake. South Warner Wilderness Area. Warner Mountains. 2743 Comment
  CAS-BOT-BC15674  Achillea millefolium Bruce Bartholomew 1990-6-17 5350 Modoc 4 km N of Buck Creek Ranger Station at turn off to Del Prat Spring, W side of Warner Mts. 1900 Comment
  JEPS5973  Achillea millefolium Frances D. Payne 1931-6-17 163 Modoc south and east of, common over hills Alturas; Warner Mountains, Parker Creek 1584 Comment
  RSA504852  Achillea millefolium Bruce Bartholomew, B. Anderson 1988-7-21 4432 Modoc Whipple Spring, E side of Whitehorse Flat Reservoir. 1340 Comment
  CAS-BOT-BC242285  Achnatherum hymenoides Gordon H. True 1964-6-3 1451 Modoc Cedar Pass. 1524 Comment
  UCD50353  Achnatherum hymenoides L. Whitney 1935-7-21 s.n. Modoc Cemetery, Alturas, Modoc Co., California. Comment
  UC821972  Achnatherum lemmonii C. L. Hitchcock 1940-5-28 6724 Modoc 15 mi n Alturas (near Surprise) 1402 Comment
  UCD50561  Achnatherum lemmonii Beecher Crampton; with Carl Rimbey 1954-7-8 2178 Modoc Peat Meadow; Jess Valley, Warner Mountains, 15 miles east of Likely. Modoc County. Comment
  UC1024791  Achnatherum occidentale subsp. californicum Leo Whitney 1935-6-9 3210 b Modoc White Horse Comment
  UC1024940  Achnatherum occidentale subsp. pubescens Leo Whitney 1935-7-3 3332 Modoc 17 mi nw Canby (Badger Wells); Badger Wells Comment
  UCD104524  Acmispon wrangelianus Robbins; Raynor 1943-6-1 s.n. Modoc Corporation Ranch, Likely. Comment
  CAS-BOT-BC218305  Aconitum columbianum Leland S. Smith 1922-7-20 1311 Modoc Rush Creek Ranger Station. 1905 Comment
  UC71849  Aconitum columbianum Mrs. M. H. Manning 1903-8-3 70 Modoc near Fort Bidwell; n.e. Modoc Co. Comment
  CAS-BOT-BC391351  Aconitum columbianum Elmer I. Applegate 1932-8-2 8095 Modoc Mill Creek Meadows, west slope of the Warner Mountains Comment
  UC748227  Aconitum columbianum Annie M. Alexander and Louise Kellogg 1946-7-29 5082 Modoc s. slope Emerson Peak; Warner Mts., Emerson Peak 2438 Comment
  UC8856  Actaea rubra Milo S. Baker 1893-8-10 Modoc Comment
  CHSC116076  Adonis aestivalis Lowell Ahart; John Dittes 2015-7-16 20388 Modoc North edge of Assh Creek (destroyed), southeast of gravel pit (destroyed), about 1/8 mile east of parking area on east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  CAS-BOT-BC218321  Adonis aestivalis Leland S. Smith 1912-7-1 1513 Modoc Pit River near Ranger Station. Comment
  SEINET9362678  Aegilops cylindrica Unknown 2002-6-24 1151611 Modoc Modoc Comment
  CHSC23445  Agastache parvifolia K. R. Stern; D. B. Joley, J. G. Geschke 1974-6-22 5831 Modoc Ca 0.5 mi w of w margin of Egg Lake. 1295 Comment
  CAS-BOT-BC179890  Agastache urticifolia Annie Montague Alexander; L. Kellogg 1946-7-3 4905 Modoc Bidwell Creek Canyon, near Fort Bidwell. 1414 Comment
  POM70467  Agastache urticifolia Mrs. R. M. Austin 1898-06 2195 Modoc Foothills, Goose Lake. Comment
  SFV10995  Ageratina occidentalis J. Turner, F. M. Ball 1962-7-12 1189 Modoc Shortly below summit of Fandango Pass on east side. 1829 Comment
  CAS-BOT-BC15524  Agoseris X dasycarpa Roxana S. Ferris; Laura Lorraine 1941-8-14 10576 Modoc Three miles from Patterson Ranger Station on road to Eagleville. Warner Mountains, Modoc National Forest Comment
  CAS-BOT-BC15324  Agoseris heterophylla John Thomas Howell 1934-6-13 12087 Modoc Lake City Comment
  UC76010  Agoseris heterophylla var. heterophylla Milo S. Baker 1893-1 Modoc Forestdale Comment
  HSC4605  Agoseris monticola M. T. Milligan 1965-6-26 333 Modoc N end Jess Valley. 1616 Comment
  HSC81031  Agoseris monticola G. M. Riegel 1979-7-23 594 Modoc South Warner Mountains 1829 Comment
  UC748132  Agoseris monticola Annie M. Alexander and Louise Kellogg 1946-7-18 5015 Modoc near Benton Meadow; Warner Mountains 2072 Comment
  CAS-BOT-BC126783  Agoseris parviflora John Thomas Howell 1934-6-13 12079 Modoc Fandango Pass, Warner Mts. 1828 Comment
  UC1332115  Agoseris parviflora Alice Eastwood and John Thomas Howell 1940-6-11 8029 Modoc 8 mi from, on rd to Alturas Canby Comment
  UC449593  Agoseris parviflora M. F. Gilman 629 Modoc Comment
  JEPS36389  Agoseris retrorsa Milo S. Baker 1893-7-12 Modoc South Hillside Comment
  CAS-BOT-BC242308  Agropyron cristatum Bruce Bartholomew; Barrett Anderson 1990-7-20 5487 Modoc 10.3 km N of Buck Creek Ranger Station, crest of Warner Mountains W side of Warner Mts. 2130 Comment
  SD61031  Agropyron cristatum Darley F. Howe 1964-8-2 Modoc Vacant lot, Alturas. 1280 Comment
  UC1037184  Agrostis alba Leo Whitney 1935-7-20 3579 Modoc Alturas Comment
  CHSC115774  Agrostis capillaris Lowell Ahart; John Dittes 2015-7-16 20371 Modoc North edge of Ash Creek (destroyed), southeast of the gravel pit (destroyed), about 1/8 mile east of the parking area on the east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  HSC8787  Agrostis exarata M. T. Milligan 1966-7-26 585 Modoc N end Jess Valley 1616 Comment
  UC1037177  Agrostis exarata Leo Whitney 1935-8-11 3623 Modoc dry stream bed near dam (Lake Joaquina, Hackamore, ca 15 mi nw of Canby); Modoc National Forest, Lake Joaquina 1463 Comment
  UC1024978  Agrostis pallens Leo Whitney 1935-7-6 3420 Modoc near Lookout; Pit River Comment
  UCD53122  Agrostis pallens Leo Whitney Date Unknown 2182 Modoc Hackamore, 15 miles norhtwest of Canby, Modoc National Forest. 1463 Comment
  JEPS119853  Agrostis stolonifera Lowell Ahart, John Dittes 2012-7-10 18323 Modoc Ash Creek State Wildlife Area, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley. Comment
  UCD53491  Agrostis stolonifera L. D. Whitney 1935-7-20 s.n. Modoc Pit River, Alturas. Comment
  CAS-BOT-BC190683  Aliciella micromeria Bruce Bartholomew 1990-6-17 5336 Modoc Surprise Valley, SE corner of Upper Alkali Lake. 1390 Comment
  UCD137895  Alisma gramineum Herbert L. Mason 1955-8-13 14653 B Modoc southwest side of Goose Lake. Comment
  CAS-BOT-BC445447  Alisma triviale Robert F. Thorne; C. W. Tilforth 1969-9-4 39056 Modoc 2 mi W of Davis Creek (town), S. of Goose Lake 1432 Comment
  CAS-BOT-BC245003  Allium acuminatum Elmer Ivan Applegate 1929-6-24 5887 Modoc Between Adin and Canby, Pit River region. Comment
  CAS-BOT-BC245012  Allium acuminatum Leland S. Smith 1918-6-26 938 Modoc Buck Creek Ranger Station. 1600 Comment
  CAS-BOT-BC245017  Allium acuminatum Bruce Bartholomew 1991-6-23 5876 Modoc 2.6 km NE of Crowder Flat Road on road between Ingall Swamp and Dorris Brothers Reservoir. 1520 Comment
  CAS-BOT-BC245022  Allium acuminatum Bruce Bartholomew; Barrett Anderson 1988-6-25 4397 Modoc Ryan Canyon, N of Adin. 1390 Comment
  HSC29860  Allium acuminatum D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19464 Modoc Upper Rush Creek Campground about 8 mi. N of Adin on Hwy. 299 Comment
  UC3051  Allium acuminatum Mrs. R. M. Austin June, 1898 2282 Modoc Goose Lake valley Comment
  SEINET8111958  Allium acuminatum M. J. Williams 1969-1 Modoc Comment
  UC3058  Allium amplectens Milo S. Baker 1893-7-24 Modoc Comment
  CAS-BOT-BC244986  Allium lemmonii Bruce Bartholomew; Barrett Anderson 1989-6-3 4908 Modoc ca. 6 km NW of Egg Lake and ca. 0.8 km E of Service Flat Gulch. 1370 Comment
  CAS-BOT-BC244989  Allium lemmonii Elmer Ivan Applegate 1936-5-20 10329 Modoc Near Timbered Mountain. Comment
  UC1299739  Allium lemmonii Freed W. Hoffman 1946-5-30 682 Modoc in pine woods not far from Canby (along Highway 86) Comment
  SEINET222584  Allium parvum D. W. McNeal 1979-5-13 2225 Modoc Beside Hwy # 395, 15.8 mi S. of te Jct. of Hwy #299 in Alturas. Comment
  CAS-BOT-BC244960  Allium platycaule G. D. Hanna; M. M. Hanna 1956-6-1 s.n. Modoc Cedar Pass. Comment
  CAS-BOT-BC244968  Allium platycaule K. Paulson; Robert Paulson 1989-6-14 131 Modoc Ca. 1.5 mi. NE of Cedar Pass, Warner Mts. 1920 Comment
  CAS-BOT-BC244977  Allium platycaule John H. Hatton 1911-6-13 68 Modoc Rush Creek. 1371 Comment
  SEINET188106  Allium platycaule C. L. Hitchcock 1940-5-27 6667 Modoc 15 miles nrotheast of Alturas. 1615 Comment
Read comments
Dec 2 2014
  HSC42383  Allium platycaule Dale McNeal 1977-6-8 2062 Modoc Above Hwy. 395, 3.0 mi. N of junction of Hwy. 299 N of Alturas Comment
  JEPS47623  Allium platycaule Mary H. Manning 1914-4-29 Modoc Lake City-road Lake City Comment
  RSA304134  Allium platycaule James R. Shevock 1972-5-20 1807 Modoc West of Alturas, highway 299. 1372 Comment
  SEINET3878890  Allium platycaule Noel H. Holmgren, Patricia K. Holmgren 1978-6-8 8884 Modoc Fort Bidwell-Adel road, 15.1 km (9.4 mi) northeast of Fort Bidwell and 10.5 km (6.5 mi) airline distance.; 0 1676 Comment
  UC1585398  Allium platycaule R. Raiche and K. Zadnik 1989-7-4 90182 Modoc near Oregon border; Warner Mts., Dismal Swamp area 2010 Comment
  UC1100229  Alopecurus aequalis Verne Grant and Irving Schneider 1947-7-19 8082 Modoc Williams Ranch n. of Likely Comment
  CHSC110902  Alopecurus carolinianus Lowell Ahart; John Dittes 2012-7-12 1357 Modoc About 1/8 mile east of the parking area on the east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  CDA18403  Alopecurus pratensis G. D. Barbe, P. Hiatt & M. Keffer 1980-6-4 2803 Modoc Modoc Plateau; Eastside Canal/ Railroad crossing on Westside Road, north of Likely. 1341 Comment
  CHSC112687  Alopecurus pratensis Lowell Ahart; John Dittes, Todd Sloat 2013-6-8 18768 Modoc Meadow, about 100 yards northeast of the Parking Area, northeast of the old barn, Ash Creek State Wildlife Area, about 3.9 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  HSC69615  Alyssum alyssoides Gary Schoolcraft 1980-4-10 206 Modoc N of Hwy. 299, 2 mi. E of Hwy. 395 1494 Comment
  NY785947  Alyssum desertorum B. M. Bartholomew 1988-5-12 4134 Modoc Along the N side of the Pit River, 0.5 km W of State Highway 299 on Bushey Road. 1310 Comment
  SEINET5783736 Image available Alyssum minus S. Saufferer 1973-5-5 131 Modoc about 7.5 mi. S of Pine Creek, along Hwy 395 Comment
  CHSC118077  Alyssum simplex L. P. Janeway 2016-5-17 12031 Modoc Modoc Plateau. Devils Garden area; along Road 43N18 just east of Porcupine Rim; about 4.0 air-km west of Big Sage Reservoir. 1555 Comment
  JEPS85825  Alyssum simplex Barbara Ertter 1988-6-18 7607 Modoc w. side hwy 139 just s. of where it crosses railroad at jct to Clear Lake (n.e. of Dry Lake, e. of Lava Beds National Monument) 1249 Comment
  SEINET5340079  Alyssum simplex M. J. Williams 1988-5-28 88- 19 -4 Modoc Hwy 395, intersection with Davis Creek road. Comment
  CHSC117243  Amaranthus californicus Lowell Ahart; John Dittes 2016-7-16 21253 Modoc Strand of the second pond, south of Ash Creek Canal (now filled in), south of Ash Creek, Ash Creek State Wildlife Area, 0.79 miles (air) south of County Road 87, 1.75 miles (air) west of Adin, Big Valley. 1273 Comment
  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
  CHSC71843  Amaranthus californicus Vernon H. Oswald; Lowell Ahart 1998-9-8 9598 Modoc Mosquito Lake on the north side of Whitehorse Flat Reservoir ca. 20 air mi north of McArthur. 1341 Comment
  JEPS124366  Amaranthus powellii Lowell Ahart, John Dittes 2015-7-16 20382 Modoc Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. Comment
  UCD97543  Amaranthus powellii Herbert L. Mason; Verne Grant 1947-7-10 13343 Modoc Dorris Reservoir, 2 miles east of Alturas. Comment
  CAS-BOT-BC214632  Amelanchier utahensis Bruce Bartholomew; Barrett Anderson 1989-4-27 4611 Modoc 2.1 km SSE of Day on road to State Highway 299. 1020 Comment
  CAS-BOT-BC217084  Amelanchier utahensis Alice Eastwood; John Thomas Howell 1940-6-12 8066 Modoc Between Likely and Jess Valley. Comment
  CAS-BOT-BC217089  Amelanchier utahensis Doris K. Kildale 1927-9-11 2786 Modoc Near Alturas. 1371 Comment
  CAS-BOT-BC217100  Amelanchier utahensis John Thomas Howell 1934-6-12 12040 Modoc N side of Fandango Valley. Comment
  CAS-BOT-BC248336  Amelanchier utahensis B. Bartholomew; H. Sun 2002-6-24 8816 Modoc Ridge top just S of Manzanita Mt. and 15.3 straight line km NW of Aden 2070 Comment
  CAS-BOT-BC54199  Amsinckia menziesii Alice Eastwood; John Thomas Howell 1940-6-13 8108 Modoc Surprise Valley. Comment
  CHSC112818  Amsinckia menziesii Lowell Ahart; John Dittes 2013-7-25 18952 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
  JEPS5802  Amsinckia menziesii var. menziesii Rimo Bacigalupi and L. R. Heckard 1952-6-18 3744 Modoc 3/4 mi e Canby (at railroad crossing along U.S. Hwy 299) Comment
  CAS-BOT-BC54170  Amsinckia tessellata var. tessellata John Thomas Howell 1934-6-16 12214 Modoc Parker Creek, Warner Mountains 1584 Comment
  UC134195  Anaphalis margaritacea Mrs. R. M. Austin 1894-8-1 90 Modoc springs at Sugar Loaf Hills Comment
  UC1567367  Anemone drummondii G. Schoolcraft 1989-7-16 1961 Modoc e. Patterson Lake; Warner Mts. 2804 Comment
  CAS-BOT-BC15619  Antennaria argentea John Thomas Howell 1934-6-11 11968 Modoc Parker Creek. 1584 Comment
  HSC4653  Antennaria argentea M. S. Baker 1893-1 Modoc Egg Lake Comment
  CAS-BOT-BC15614  Antennaria argentea E. H. Steffen 1917-7-1 88 Modoc Granger Mill. 1676 Comment
  RSA128287  Antennaria argentea Peter H. Raven, Otto T. Solbrigo 1958-6-18 13310 Modoc Cottonwood Flat Camp Ground, Modoc National Forest Comment
  RSA503242  Antennaria argentea Bruce Bartholomew, B. Anderson 1988-7-22 4535 Modoc Mill Creek, Lake City Canyon, 5.5km W of Lake City, E side of the Warner Mtns. 1860 Comment
  CAS-BOT-BC59211  Antennaria dimorpha John Thomas Howell 1934-6-14 12136 Modoc Near Lost Lake, Warner Mts. 2438 Comment
  RSA520454  Antennaria dimorpha Bruce Bartholomew, B. Anderson 1989-4-27 4609 Modoc 2.1 km SSE of Day on road to State Highway 299. 1020 Comment
  UC29492  Antennaria geyeri M. S. Baker and Frank Nutting 1894-1 Modoc Egg Lake Comment
  HSC26517  Antennaria luzuloides J. P. Smith, J. O. Sawyer 1972-5-6 5246 Modoc County Rd. 86, just E of Adin. 1098 Comment
  RSA0062305  Antennaria luzuloides Lowell Ahart, John Dittes 2011-6-22 17554 Modoc About 50 yards east of the road, about 100 yards northeast of the Pilot Butte Parking Lot, north edge of Ash Creek Floodplain, 1.1 miles (air) south of County Road 87, 7.7 miles (air) west of Adin, 10 miles (air) east of Lookout, Big Valley. 1264 Comment
  RSA323625  Antennaria luzuloides A. Tiehm 1984-6-30 8835 Modoc NW side of Bidwell Mt., 2.2 road miles north of 8 mile creek on the road from Lake Annie. 1844 Comment
  CAS-BOT-BC58684  Antennaria luzuloides Mrs. R. M. Austin 1894-6-1 s.n. Modoc Dry valley near Willow Creek Comment
  RSA152422  Antennaria luzuloides I. L. Wiggins, Dorothy Wiggins 1961-6-12 16424 Modoc Moderate slope near summit of Cedar Pass, between Alturas and Cedarville 1921 Comment
  UCD129020  Antennaria luzuloides J. P. Smith; J. O. Sawyer 1972-5-6 5246 Modoc Road 86 just east of Adin. 1097 Comment
  CHSC85132  Antennaria luzuloides subsp. aberrans John Dittes; Josephine Guardino 1991-6-1 371 Modoc Modoc Plateau; Big Valley; Ash Creek Wildlife Area; ca. 5.7 air-miles northeast of Bieber, ca. 7.6 air-miles west of Adin, ca. 1.5 air-mile southeast of Pilot Butte summit; at northern edge of Ash Creek Floodplain (Big Swamp) at southeast base of Pilot Butte. 1258 Comment
  SEINET475156  Antennaria luzuloides subsp. luzuloides Arnold Tiehm 1984-6-30 Modoc NW side of Bidwell Mt., 2.2 road miles north of 8 mile Creek on the road from Lake Annie Comment
  CAS-BOT-BC15563  Antennaria rosea subsp. rosea Louis Cutter Wheeler 1935-8-8 3808 Modoc N Fork Bidwell Creek. 2377 Comment
  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
  CHSC106210  Anthemis cotula Lowell Ahart; John Dittes 2010-8-31 17097 Modoc Bottom of a small wash, 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
  CHSC99780  Apera interrupta Lowell Ahart; John Dittes 2008-6-21 14995 Modoc On damp soil, along the edge of the dying pond, north of the large culvert, east side of the large levee, mountain meadow, in Big Valley, about 2.8 miles (air) north of the Headquarters at Ash Creek State Wildlife Area, about 5.4 miles (air) northeast of Bieber. 1255 Comment
  RSA0059602  Apera interrupta Lowell Ahart, John Dittes 2011-6-21 17520 Modoc About 130 yards west of the fence, south edge of the meadow, Ash Creek State Wildlife Area, about 2,300 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  CHSC54186  Aphyllon purpureum Vernon H. Oswald 1991-5-28 4630 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
  CAS-BOT-BC15690  Apocynum androsaemifolium Annie Montague Alexander; L. Kellogg 1946-7-17 4997 Modoc Cedar Pass. Comment
  CAS-BOT-BC15697  Apocynum cannabinum R. M. Austin 1898-7-1 2336 Modoc Lake shore. Comment
  UC22898  Apocynum cannabinum Mrs. R. M. Austin and Bruce 1898-7-1 2336 Modoc Middle Lake Comment
  RSA84425  Aquilegia formosa F. W. Peirson 1926-6-25 6879 Modoc small side canyon on Cedarville road 1 mile W of summit of Warner Mts. Comment
  CAS-BOT-BC218334  Aquilegia formosa var. formosa Elmer Ivan Applegate 1933-8-2 8080 Modoc Mill Creek Meadows, Warner Mts. Comment
  HSC81078  Arabis drummondii G. M. Riegel 1980-8-11 1026 Modoc S Warner Mtns. 2100 Comment
  SEINET5340313  Arabis holboellii var. pinetorum E. K. Balls 1950-5-14 14691 Modoc .2m. south boundary Modoc National Forest, trail from Alturas to Thomas Reservoir. 1524 Comment
  NY119571  Arabis sparsiflora A. J. Cronquist 1959-6-20 8526 Modoc At Cedarville Pass; Warner Mtns., between Cedarville and Alturas 1950.7 Comment
  CAS-BOT-BC95645  Arctostaphylos nevadensis Bruce Bartholomew; Barrett Anderson 1988-6-24 4325 Modoc Lily Lake, W side of the Warner Mts.. 2130 Comment
  CAS-BOT-BC248334  Arctostaphylos patula B. Bartholomew; H. Sun 2002-6-24 8814 Modoc Ridge top just S of Manzanita Mt. and 15.3 straight line km NW of Aden 2070 Comment
  CAS-BOT-BC95655  Arctostaphylos patula Alice Eastwood; John Thomas Howell 1940-6-14 8233 Modoc Near Hackamore. Comment
  JEPS51492  Arenaria aculeata Frances D. Payne 1929-6-13 8 Modoc s and e of Alturas; Warner Mountains, Parker Creek 1584 Comment
  UC190594  Arenaria aculeata M. F. Gilman 506 Modoc Comment
  RSA610787  Arenaria congesta L. C. Wheeler 1935-9-12 3980 Modoc Devils Garden: 2 miles SW Poindexter Reservoir. 1524 Comment
  UC852270  Arenaria congesta var. subcongesta C. L. Hitchcock 1940-5-28 6723 Modoc 15 mi n Alturas ((near Surprise)) 1402 Comment
  SEINET7595863 Image available Aristida oligantha Louis C. Wheeler 1935-1 3959 Modoc Fletcher Creek at Pease Place, Devils Garden Comment
  CAS-BOT-BC15574  Arnica chamissonis subsp. foliosa James T. Vale; K. Wagnon; Walter Knight; Irja Knight 1981-5-23 4130 Modoc From margin of Egg Lake on White Horse Road NW of Lookout. 1310 Comment
  CAS-BOT-BC15401  Arnica cordifolia Betty J. Hammerly 1941-6-20 36 Modoc Clear Lake 1767 Comment
  UC71559  Arnica cordifolia Mrs. M. H. Manning 1904-7-1 250 Modoc Mt. Bidwell, (ne Modoc County) Mt. Bidwell Comment
  UCR267415  Arnica cordifolia Jim Andre, Glenn L. Clifton 1993-6-12 29993 Modoc Warner Mountains, Cedar Pass, Hwy 299, Modoc National Forest 1919 Comment
  UCSB19713  Arnica cordifolia Hardham, Clare 1961-6-18 Modoc Cedar Pass 1828 Comment
  CAS-BOT-BC15402  Arnica cordifolia John H. Hatton 1911-6-13 65 Modoc Rush Creek Canyon. 1280 Comment
  CAS-BOT-BC15423  Arnica discoidea Bruce Bartholomew; Barrett Anderson 1988-7-21 4443 Modoc Above Upper Rush Creek Campground ca. 4 km E of State Highway 299 between Adin and Canby. 1580 Comment
  RSA504848  Arnica discoidea Bruce Bartholomew, B. Anderson 1988-7-21 4443 Modoc Above Upper Rush Creek Campground ca. 4 km. E of State Highway 299 between Adin and Canby. 1580 Comment
  CHSC118093  Arnica fulgens L. P. Janeway 2016-5-18 12074 Modoc Modoc Plateau. Devils Garden area; Island Meadow, along Road 47N08 2.1 road-km north of Road 73/181/47N09. 1606 Comment
  HSC81149  Arnica longifolia G. M. Riegel 1980-8-7 1011 Modoc S Warner Mtns. 2100 Comment
  RSA606144  Arnica mollis L. C. Wheeler 1935-8-14 3855 Modoc Lily Lake, Pine Creek, Warner Mts. 2134 Comment
  UCR138444  Arnica parryi subsp. sonnei David A. Charlet 1989-8-16 546 Modoc Warner Mountains. 0.8 km NNW of Eagle Peak 2713 Comment
  SEINET2044329 Image available Arnica sororia Arnold Tiehm 1984-6-30 8837 Modoc NW side of Bidwell Mountains, 2.2 road miles north of 8 Mile Creek on the road from Lake Annie; T47N, R16E, S1 1845 Comment
  JEPS121748  Artemisia arbuscula subsp. arbuscula L. P. Janeway, B. Castro 2014-6-2 11286 Modoc Great Basin. Along County Road 5 1.0 km west of the southwest corner of Cow Head Lake. Comment
  CAS-BOT-BC497198  Artemisia douglasiana John H. Hatton 1911-6-22 139 Modoc Modoc Forest Comment
  UC1776687  Artemisia ludoviciana subsp. incompta G. Schoolcraft 1999-7-13 2861 Modoc Lower slopes of Warner Mountains 3 miles N of Eagleville, CA 1524 Comment
  CAS-BOT-BC93744  Artemisia ludoviciana subsp. incompta L. S. Smith 1032 Modoc Camp One above Lost Lake 2499 Comment
  RSA504654  Artemisia ludoviciana subsp. incompta Bruce Bartholomew, B. Anderson 1988-7-23 4592 Modoc Pine Creek, 4 km E of U. S. Highway 395 on the road to Lily Lake, Warner Mountains. 1620 Comment
  CAS-BOT-BC15263  Artemisia ludoviciana subsp. ludoviciana Annie Montague Alexander; L. Kellogg 1946-7-6 4912 Modoc 3.5 mi. E of Eagleville. Comment
  CAS-BOT-BC15274  Artemisia ludoviciana subsp. ludoviciana R. M. Austin 1898-7-1 2175 Modoc Goose Lake. Comment
  HSC65590  Artemisia ludoviciana subsp. ludoviciana Thomas Wood 1979-8-9 238 Modoc Dirt Road along Bidwell Creek, 2.8 mi. NW of junction with Co. Hwy. 2 N of Fort Bidwell 1509 Comment
  JEPS124305  Artemisia ludoviciana subsp. ludoviciana Lowell Ahart, John Dittes 2015-7-15 20343 Modoc Ash Creek State Wildlife Area about 3.9 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber Big Valley. Comment
  CDA19675  Artemisia tridentata G. D. Barbe 1991-8-27 4439 Modoc Modoc Plateau; Warner Mts 2316 Comment
  UCR64882  Artemisia tridentata George K. Helmkamp 1990-9-23 H- 4 Modoc US Hwy 395, 13 mi north of Likely 1345 Comment
  CAS-BOT-BC15205  Artemisia tridentata subsp. tridentata Elmer Ivan Applegate 1932-8-1 8201 Modoc West side of Middle Lake, Surprise Valley Comment
  CHSC113987  Artemisia tridentata subsp. tridentata L. P. Janeway 2014-7-7 11448 Modoc Great Basin. Northwest edge of plateau overlooking Cow Head Lake; halfway between Cow Head Lake and Big Mud Lake; along an obscure dirt road 1.0 km north-northwest of Barrel Springs Road. 1670 Comment
  RSA518545  Artemisia tridentata subsp. tridentata George K. Helmkamp 1990-9-23 H- 4 Modoc US Hwy 395, 13 mi. N of Likely. 1341 Comment
  CHSC67337  Artemisia tridentata subsp. vaseyana James D. Jokerst 1986-9-18 2771 Modoc Radar Site Survey S of Doublehead Mtn., NE face of Timber Mtn. Comment
  CAS-BOT-BC15656  Asclepias cordifolia K. Paulson; Robert Paulson 1989-6-21 149 Modoc Vicinity of Granger Creek, E side of the Warner Mts. Comment
  RSA520440  Asclepias cordifolia Bruce Bartholomew 1990-6-15 5218 Modoc SW side of Hunters Ridge, 6.3 km SSE of Hwy 299 on road from Rush Creek. 1640 Comment
  UC22966  Asclepias cordifolia Milo S. Baker 1893-7-8 Modoc Comment
  HSC3280  Asclepias fascicularis M. T. Milligan 1964-7-24 164 Modoc Badger Wells Rd. at Boles Creek Crossing 1524 Comment
  RSA608617  Aster integrifolius L. C. Wheeler 1935-8-16 3888 Modoc Warner Mountains: Dismal Swamp, Twenty Mile Creek. 2226 Comment
  POM312494  Aster occidentalis H. L. Mason 1947-8-9 13480 Modoc East side of Fairchild Swamp, north of Alturas Comment
  JEPS124306  Astragalus Lowell Ahart, John Dittes 2015-7-15 20342 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
  RSA0028053  Astragalus John F. Emmel 1997-6-8 1495 Modoc 3 to 4 road miles east of Hwy. 395 on Hwy. 299 (Cedarville Road). 1524 Comment
  SJSU13943  Astragalus californicus N. A. Hopkins 1985-5-13 1272 Modoc by rd between Alturas & Cedarville, Warner Mts 1524 Comment
  UC748298  Astragalus curvicarpus var. curvicarpus Annie M. Alexander and Louise Kellogg 1946-6-10 4723 Modoc slope facing Lower Lake (lava bench bet. Lower and Snake Lakes); bet. Lower and Snake Lakes Comment
  CAS-BOT-BC218215  Astragalus curvicarpus var. curvicarpus Amos Arthur Heller 1938-6-24 15225 Modoc Roadside between Alturas and Canby. Comment
  NY803541  Astragalus curvicarpus var. curvicarpus L. S. Rose 1940-6-11 40513 Modoc Canby 1326 Comment
  CAS-BOT-BC182072  Astragalus filipes Gordon H. True 1964-6-3 1430 Modoc Surprise Valley, 10 mi. N of Cedarville. 1463 Comment
  UC1539989  Astragalus filipes M. Mitchell 1936-5-21 50 Modoc 2 mi se Hospital Rock (Lava Beds National Monument); , se of Hospital Rock 1249 Comment
  CDA26667  Astragalus filipes T. C. Fuller 1965-6-3 13604 Modoc West side of Highway 395 to Alturas, 6.5 miles north of Likely. 0 Comment
  HSC14515  Astragalus filipes M. T. Milligan 1964-6-20 58 Modoc 2 mi. N on Pencil Rd. from Hwy. 395 1372 Comment
  UC748310  Astragalus filipes Annie M. Alexander and Louise Kellogg 1946-6-12 4743 Modoc e side Fandango Pass Road; Fandango Pass Road e side Comment
  POM128976  Astragalus lentiginosus var. lentiginosus Franklin P. Nutting s.n. Modoc Near Egg Lake Comment
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Sep 29 2008
  CAS-BOT-BC182055  Astragalus lentiginosus var. salinus Leo David Whitney 1934-5-29 1548 Modoc Sandy railroad bed, Hackamore. Comment
  NY677318  Astragalus obscurus B. M. Bartholomew 1993-5-13 6535 Modoc Just west of Mud Lake on road to West Valley Reservoir 1460 Comment
  CAS-BOT-BC182023  Astragalus purshii Elmer Ivan Applegate 1936-7-4 10511 Modoc N slope of Caldwell Butte, Lava Beds National Monument. Comment
  CAS-BOT-BC193034  Astragalus purshii var. tinctus B. Bartholomew; B. Anderson 1988-5-13 4170 Modoc Ca. 1 km SE of Parker Creek Road on West Warner Road, W side of the Warner Mountains 1710 Comment
  POM275213  Astragalus whitneyi A. M. Alexander, Louise Kellogg 1946-7-23 5043 Modoc East slope of Emerson Peak, Warner Mountains. Comment
  RSA531338  Astragalus whitneyi Bruce Bartholomew, M. Bourell 1990-4-28 5202 Modoc 1.9 km SE of Rush Creek on road up Hunters Ridge. 1430 Comment
  SEINET948791  Astragalus whitneyi Richard R. Halse 1976-1 1401 Modoc Modoc National Forest above Upper Rush Creed Campground. 1585 Comment
  RSA0049631  Astragalus whitneyi var. confusus Dean Wm. Taylor 2012-6-5 21220 Modoc Vicinity Crank Spring (11 air miles North of Lookout) 1365 Comment
  UC585210  Astragalus whitneyi var. confusus E. B. Babcock, G. L. Stebbins Jr. 1936-6-9 1800 Modoc dry, gravelly, east facing slope of hill above Lake City; above Lake City 1524 Comment
  RSA0006885  Astragalus whitneyi var. confusus H. D. Ripley, R. C. Barneby 1944-5-31 5992 Modoc NW of Alturas. 1372 Comment
  CAS-BOT-BC181995  Astragalus whitneyi var. lenophyllus Bruce Bartholomew 1990-6-17 5355 Modoc 11.3 km N of Buck Creek Ranger Station, a crest of the Warner Mountains. 2130 Comment
  CAS-BOT-BC182002  Astragalus whitneyi var. lenophyllus Bruce Bartholomew; Barrett Anderson 1988-5-13 4171 Modoc Ca. 1 km SE of Parker Creek Road on West Warner Road, W side of the Warner Mts.. 1710 Comment
  CAS-BOT-BC17523  Athysanus pusillus B. Bartholomew 1995-5-12 6900 Modoc Near northeast side of Day Rock above Little Hot Spring Valley. 1250 Comment
  RSA59645  Athysanus pusillus E. K. Balls 1950-5-12 12648 Modoc Hillsides N of Bucks Creek Ranger Station; Modoc National Forest; east of Goose Lake. Comment
  RSA624445  Atriplex argentea L. C. Wheeler 1935-9-4 3941 Modoc Goose Lake: McGinty Point. 1463 Comment
  CAS-BOT-BC95506  Atriplex confertifolia Bruce Bartholomew; Barrett Anderson 1989-4-29 4707 Modoc SW corner of Lower Lake, 1.8 km N of the Lassen County line, Surprise Valley. 1370 Comment
  JEPS19751  Atriplex gardneri var. falcata Rimo Bacigalupi with S. Galen Smith 1957-6-28 5985 Modoc along roadside of U.S. Highway 299 4.2 mi w Alturas; w of Alturas 1371 Comment
  JEPS118231  Atriplex truncata Dean W. Taylor 1989-8-4 10425 Modoc Surprise Valley; between Middle Lake and Lower Lake, ca. 2.5 mi N of Eagleville 1231 Comment
  UCD136022  Azolla filiculoides Herbert L. Mason 1947-8-12 13503 Modoc Junction of North and South forks of Pit River, Alturas. Comment
  CHSC117881  Balsamorhiza hookeri L. P. Janeway 2016-5-16 11992 Modoc Modoc Plateau. Devils Garden area; along Road 47N07 1.8 road-km south of Road 181/73/47N09. 1573 Comment
  SEINET10958200  Balsamorhiza hookeri LeRoy E. Detling 1948-5-24 Detling 6254 Modoc N. Fork Pit River. 1463 Comment
  POM350740  Balsamorhiza hookeri var. lagocephala Christopher Davidson 1973-5-26 2116 Modoc 4 miles W of Canby on Hwy 299. 1341 Comment
  CAS-BOT-BC15183  Balsamorhiza hookeri var. lanata Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-11 6483 Modoc 5.6 km N of State Hwy 299 on Crowder Flat Road. 1580 Comment
  CAS-BOT-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-BC15199  Balsamorhiza sagittata Lindsay Stuart Smith; E. H. Steffen 1917-6-2 29 Modoc Jess Valley, Modoc National Forest 1524 Comment
  HSC27245  Balsamorhiza sagittata J. P. Smith, J. O. Sawyer 1972-5-6 5272 Modoc Along Hwy. 299, 4 mi. W of Modoc County Rd. 58, E of Alturas 1494 Comment
  HSC42067  Balsamorhiza sagittata S. Saufferer 1973-5-5 130 Modoc About 7 1/2 mi. S of Pine Creek along Hwy. 395 Comment
  JEPS53241  Barbarea orthoceras Frances D. Payne 1931-6-25 252 Modoc 2 mi sw Warren Mt. (se Modoc County); Pine Creek Basin 2316 Comment
  RSA624497  Bassia hyssopifolia L. C. Wheeler 1935-10-10 4035 Modoc Alturas. 1356 Comment
  RSA0005404  Beckwithia austinae R. M. Austin, C. C. Bruce 1898-06 2134 Modoc Lake City Mt. Western slope. Comment
  CAS-BOT-BC54177  Berberis aquifolium var. repens Bruce Bartholomew 1989-8-10 5048 Modoc 8.7 km E of Day on County Road 94. Comment
  CAS-BOT-BC54183  Berberis aquifolium var. repens Isabelo T. Kelly 1930-1-1 51 Modoc Fandango Pass, Warner Mts. Comment
  CAS-BOT-BC54224  Berberis aquifolium var. repens Betty J. Hammerly 1941-6-20 31 Modoc Along banks of Clear Lake, S end of Warner Mts. Comment
  OBI20535  Berberis aquifolium var. repens H. E. McMinn 1931-5-23 2445 Modoc Fandango Pass, Warner Mts. Comment
  JEPS58646  Betula glandulosa L. S. Smith 1917-7-29 886 Modoc bog below Bald Mt. 2011 Comment
  UC71756  Betula glandulosa Mrs. M. H. Manning 1903-8-22 306 Modoc Warner Range Warner Range (ne Modoc Co.) 2133 Comment
  NY526328  Betula occidentalis J. T. Howell 1934-6-13 12095 Modoc Patterson Mill Road, Warner Mountains 1676.4 Comment
  RSA504627  Betula occidentalis Bruce Bartholomew, B. Anderson 1988-6-24 4350 Modoc South Barber Creek, 6.3 km SW of Country Road 1 on Country Road 42, E side of the Warner Mountains. 1790 Comment
  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-BC497325  Betula occidentalis John Thomas Howell 1934-6-13 12095 Modoc Warner Mts., Patterson Mill Road 1676 Comment
  CDA10502  Bidens cernua G. D. Barbe 1985-8-29 4249 Modoc West of Westside Road, South Fork of Pit River south of Alturas. 0 Comment
  UC71607  Bidens cernua Mrs. M. H. Manning 1903-8-25 331 Modoc Sessions Swamp, n end of Upper Alkali Lake Sessions Swamp, Upper Alkali Lake Comment
  CAS-BOT-BC15145  Bidens cernua var. cernua John Thomas Howell 1934-7-2 12354 Modoc Nigger Ben Spring, SE end of Clear Lake. Comment
  HSC80998  Bistorta bistortoides G. M. Riegel 1980-7-7 850 Modoc S Warner Mtns. 2100 Comment
  CAS-BOT-BC15106  Blepharipappus scaber R. K. Gierisch; D. H. Esplin 1969-7-15 3541 Modoc Modoc National Forest 1524 Comment
  CAS-BOT-BC15117  Blepharipappus scaber Bruce Bartholomew 1993-6-14 6652 Modoc 2 km E of County Road 114 on County Road 108, NW of Clear Lake Reservoir. 1320 Comment
  CAS-BOT-BC15120  Blepharipappus scaber Mrs. H. C. Cantelow 1940-5-31 3088 Modoc 3 mi E of Canby. Comment
  HSC28854  Blepharipappus scaber D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19370 Modoc Along the S Fork of the Pit River, ~6 mi. E of Likely. 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
  CDA19753  Blepharipappus scaber Anon. 1959-7-7 Modoc Modoc Plateau; Graven Reservoir. 0 Comment
  JEPS6015  Blepharipappus scaber Frances D. Payne 1932-6-22 579 Modoc s and e of Alturas (Parker Creek, Warner Mountains); Warner Mountains, Parker Creek 1584 Comment
  OBI77379  Blepharipappus scaber Lewis S. Rose 1940-6-14 40566 Modoc Kelly Hot Springs 1341 Comment
  RSA424434  Blepharipappus scaber Margaret J. Williams 1984-7-1 84- 85 -4 Modoc Northwest of Alturas, 2.1 miles north of highway on the Crowder Flat road. 1372 Comment
  RSA603853  Blepharipappus scaber L. C. Wheeler 1935-8-6 3795 Modoc Edge of mountains, 1/4 mile east Pine Creek (town), Warner Mountains. 1585 Comment
  CAS-BOT-BC15785  Boechera Alice Eastwood; John Thomas Howell 1940-6-14 8235 Modoc Near Hackamore. Comment
  JEPS52996  Boechera L. S. Smith 1917-7-2 815 Modoc Eagle Peak Warner Mts. 2316 Comment
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Feb 16 2008
  UC10141  Boechera Milo S. Baker Jun 15 1893-Jul 5 1893 Modoc Comment
  CAS-BOT-BC58289  Boechera lemmonii Elmer Ivan Applegate 1932-8-3 8123 Modoc Summit of Warner Mts. just N of Eagle Peak. Comment
  UC748071  Boechera lemmonii Annie M. Alexander and Louise Kellogg 1946-7-30 5095 Modoc e slope below summit Eagle Peak; Warner Mountains Comment
  CAS-BOT-BC95730  Boechera pauciflora Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-13 6539 Modoc Just W of West Valley Reservoir. 1460 Comment
  UC922247  Boechera pauciflora Annie M. Alexander and Louise Kellogg 1946-7-1 4893 Modoc 0.5 mi e Bidwell Creek Road summit; Warner Mountains Comment
  CAS-BOT-BC14126  Boechera paupercula Annie M. Alexander; Louise Kellogg 1946-8-1 5107 Modoc Warner Mountains. Eagle Peak. West slope below crest of divide. Comment
  CAS-BOT-BC14525  Boechera puberula Ira L. Wiggins; Dorothy B. Wiggins 1961-6-12 16378 Modoc At junction of Cedar Pass road and California State Highway 299, 5.5 miles north of Alturas. Comment
  CAS-BOT-BC58660  Boechera retrofracta Bruce Bartholomew 1995-6-1 6924 Modoc 1.3 km E of Day between Day and Lookout on County Road 94. 1200 Comment
  CHSC67092  Boechera retrofracta James D. Jokerst 1987-5-12 2846 Modoc Radar Survey Site S of Doublehead Mtn., N end of central sector, NE of road. Comment
  CAS-BOT-BC58293  Boechera retrofracta R. M. Austin 1885-1-1 Modoc Modoc County. Comment
  CAS-BOT-BC25708  Boechera sparsiflora C. L. Hitchcock 1940-5-27 6714 Modoc 15 miles northwest of Alturas. 1676 Comment
  CAS-BOT-BC35120  Boechera sparsiflora Edward Kent Balls 1950-5-11 14606 Modoc W of Middle Lake on road from Eagleville to Cedarville. 1432 Comment
  CAS-BOT-BC410949  Boechera sparsiflora B. Bartholomew 2002-6-2 8759 Modoc E side of the Warner Mountains, ca. 2.7 direct km WNW of Lake City along Mill Creek on Forest Service Road 44N34 (Lake City Canyon Rd.) between Lake City and Benton Meadow 1600 Comment
  SBBG2381  Boechera sparsiflora H. and M. Dearing 1939-6-8 3603 Modoc Lily Lake, Warner Mtns 1828 Comment
  UC748377  Boechera sparsiflora Annie M. Alexander and Louise Kellogg 1946-6-30 4880 Modoc n end Warner Mountains (w side of ridge, Highgrade); , Highgrade 2377 Comment
  UC748488  Boechera sparsiflora Annie M. Alexander and Louise Kellogg 1946-6-5 4670 Modoc s of Eagleville; Warner Mountains, Emerson Creek 1889 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
  UC62659  Botrychium Baker and Nutting 1894-6-20 Modoc near White Horse Lake Comment
  CHSC70713  Brickellia microphylla A. Sanger 1997-8-27 2610 Modoc South of Hwy 299 on Cedar Pass just north of the gravel shack at the proposed Cedar Creek trailhead. 1584 Comment
  CAS-BOT-BC242404  Bromus briziformis Margaret J. Williams 1969-1-1 s.n. Modoc Jess Valley. Comment
  SJSU9580  Bromus briziformis W. Savage 1979-7-4 1340 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  CAS-BOT-BC242435  Bromus carinatus var. carinatus John H. Hatton 1911-6-10 27 Modoc unspecified Comment
  CAS-BOT-BC242443  Bromus carinatus var. carinatus Leland S. Smith 1922-7-17 1303 Modoc Near Alturas. Comment
  CAS-BOT-BC242474  Bromus carinatus var. carinatus John H. Hatton 1911-6-15 107 Modoc unspecified Comment
  CAS-BOT-BC310315  Bromus carinatus var. marginatus Gregg M. Riegel 1979-7-23 579 Modoc Unspecified 2979 Comment
  POM264293  Bromus commutatus A. A. Beetle 1941-6-29 2837 Modoc south slope of Mount Adin Comment
  UCD58483  Bromus commutatus L. D. Whitney 1935-8-10 s.n. Modoc Pit River. Alturas. Comment
  CHSC85100  Bromus hordeaceus John Dittes; Josephine Guardino 1991-7-21 432 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
  HSC9229  Bromus hordeaceus M. T. Milligan 1965-6-23 308 Modoc N end Jess Valley 1616 Comment
  UC1024321  Bromus hordeaceus Annie M. Alexander and Louise Kellogg 1946-6-18 4792 Modoc Patterson Mill-Silver Creek Roads Patterson Mill; , Silver Creek Roads 1828 Comment
  SJSU9684  Bromus inermis Wayne Savage 1979-7-26 1569 Modoc Round Willows Unit, Devils Garden Ranger District, Modoc National Forest 1584 Comment
  UCD58838  Bromus inermis L. Whitney 1935-7-21 s.n. Modoc Happy Camp. Comment
  CAS-BOT-BC242461  Bromus japonicus Bruce Bartholomew 1989-7-14 4922 Modoc Along Rush Creek between Lower and Upper Rush Creek Campgrounds. 1580 Comment
  HSC9255  Bromus orcuttianus M. T. Milligan 1966-7-29 605 Modoc West slope of Eagle Peak 1921 Comment
  UCD60046  Bromus tectorum A. A. Beetle 1941-6-29 2823 Modoc 15 miles E of Alturas, road to Cedarville Pass. 1371 Comment
  CAS-BOT-BC95089  Callitriche fassettii Louis Cutter Wheeler 1935-8-22 3904 Modoc South Mt. Reservoir, Devil's Garden. 1524 Comment
  JEPS127356  Callitriche fassettii Lowell Ahart, John Dittes 2016-6-6 20968 Modoc About one mile south of the intersection of County Road 87 and Access Road to Pilot Butte Parking Area, 3.8 miles (air) east of Lookout, 7.5 miles (air) west of Adin, Ash Creek State Wildlife Area. Comment
  RSA210862  Callitriche verna R. F. Thorne, James Henrickson, C. W. Tilforth 1969-9-4 39113 Modoc On muddy spit and shore of N Fork of Pit River 3.4 mi. N of Alturas where crossed by Highway 395. 1341 Comment
  SEINET11051776  Calocedrus decurrens R. R. Halse 2006-8-4 6999 Modoc N end of the Warner Mountains, E slope, along Highgrade Road, ca 4.4 miles N of Fort Bidwell. 1765 Comment
  UC1748346  Calochortus longebarbatus var. longebarbatus J. D. Jokerst 1983-7-20 1862 Modoc NW of Lookout (town) (W of county rd. 93 at a point 0.2 mi S of the fork to either Whitehorse Flat or Lookout Jct.) Comment
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Aug 4 2018
  UC422832  Calochortus longebarbatus var. longebarbatus Milo S. Baker 1897-8-1 161 Modoc Forestdale Comment
  CAS-BOT-BC242137  Calochortus macrocarpus Barrett Anderson 1986-7-9 3142 Modoc Bushy Flat Rd along the Pit River, just E of Hwy 299. 1500 Comment
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Aug 3 2018
  CHSC117360  Calochortus macrocarpus Lowell Ahart; John Dittes 2016-7-14 21151 Modoc South 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
  RSA17452  Calochortus macrocarpus Elmer I. Applegate 1932-7-9 7621 Modoc Surprise Valley, 5 miles south of Fort Bidwell Comment
  JEPS17723  Calochortus macrocarpus Rimo Bacigalupi with G. T. Robbins 1955-7-20 5384 Modoc 5.5 mi ne Alturas (near junction of Cedar Pass rd and U.S. Hwy 395) 1371 Comment
  SDSU11924  Calochortus macrocarpus D. F. Howe 1964-7-31 3905 Modoc Modoc Ntional Forest 8.5 miles from entrance on road from Likely, Warner Mts. 1554 Comment
  UC9030  Caltha leptosepala Mrs. C. C. Bruce July 1898 2306 Modoc Warner Mts. Comment
  CAS-BOT-BC197585  Calyptridium umbellatum Annie Montague Alexander; L. Kellogg 1946-6-25 4825 Modoc Dismal Swamp, N end of Warner Mts. 2255 Comment
  HSC80775  Calyptridium umbellatum G. M. Riegel 1980-7-22 1098 Modoc S Warner Mtns. 1829 Comment
  UC635439  Calyptridium umbellatum F. H. Frost 1925-7-25 164 Modoc Eagle Peak; Warner Mountains, Eagle Peak Comment
  UC7768  Calyptridium umbellatum Milo S. Baker 1893-6-30 Modoc Egg Lake 1371 Comment
  UCR34758  Calyptridium umbellatum J. A. Harpel 1981-8-6 V- 35 Modoc Warner Mtns, South Warner Wilderness Area: E end of Patterson Lake, 7 mi NW of Eagleville 2744 Comment
  CAS-BOT-BC95583  Calystegia occidentalis subsp. occidentalis Roxana Stinchfield Ferris; L. Lorraine 1941-8-14 10616 Modoc Summit of Fandango Pass. 1889 Comment
  UC196137  Calystegia occidentalis subsp. occidentalis Milo S. Baker 1893-7-20 Modoc Lava beds Comment
  CAS-BOT-BC242128  Camassia quamash subsp. breviflora Roxana Stinchfield Ferris; R. Duthie 1919-6-15 142 Modoc Along Parker Creek Comment
  CAS-BOT-BC242132  Camassia quamash subsp. breviflora K. Paulson; Robert Paulson 1988-5-22 2 Modoc Boles Creek, Devil's Garden. 1402 Comment
  CHSC85122  Camassia quamash subsp. breviflora John Dittes; Josephine Guardino 1991-7-21 443 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
  UC1036051  Camassia quamash subsp. breviflora Annie M. Alexander and Louise Kellogg 1946-6-14 4752 a Modoc Silver Creek branch of Patterson Mill Road Silver Creek 1828 Comment
  JEPS61553  Camassia quamash subsp. quamash Milo S. Baker Jun 21 1893-Jul 21 1893 Modoc Modoc County Comment
  CHSC112405  Camelina microcarpa Lowell Ahart; John Dittes, Todd Sloat 2013-6-8 18757 Modoc On the north side of levee, about 100 yards north of the Parking Area, northwest of the old barn, Ash Creek State Wildlife Area, about 3.9 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  UCD149892  Camelina microcarpa William Anderson 1963-5-5 s.n. Modoc Alturas. Comment
  CAS-BOT-BC191123  Camissonia andina Bruce Bartholomew 1991-6-22 5862 Modoc Near N side of Big Mud Lake at the Nevada State boundary. 1680 Comment
  NY850415  Camissonia andina A. A. Heller 1941-6-25 16198 Modoc On the Cedarville road a short distance east of the junction with U.S. Highway #395 Comment
  UC1586092  Camissonia parvula Barbara Ertter 1988-6-18 7614 Modoc Hwy 139 1 mi s jct. to Lava Beds Nat'l Monument (ca 50 air mi sw of Klamath Falls, a few mi n of Agric. Inspection Station, e of Tonesta) 1310 Comment
  CAS-BOT-BC191102  Camissonia subacaulis Bruce Bartholomew; Barrett Anderson 1989-6-3 4863 Modoc Quaking Aspen Spring, between Goose Lake and Clear Lake Reservoir. 1500 Comment
  NY852051  Camissonia subacaulis L. C. Wheeler 1935-8-1 3731 Modoc Dismal Swamp, Twenty Mile Creek, Warner Mountains 2225 Comment
  NY852080  Camissonia tanacetifolia R. J. Weatherby 1955-7-8 1616 Modoc 7 miles north of Fort Bidwell 1875 Comment
  POM211894  Camissonia tanacetifolia J. T. Howell 1934-6-12 12000 Modoc 6 miles S of Davis Creek. Comment
  CAS-BOT-BC191078  Camissonia tanacetifolia subsp. tanacetifolia John Thomas Howell 1934-6-15 12196 Modoc Dorris Reservoir. Comment
  CAS-BOT-BC191095  Camissonia tanacetifolia subsp. tanacetifolia Annie Montague Alexander; L. Kellogg 1946-6-10 4710 Modoc Snake Lake. Comment
  RSA101367  Camissonia tanacetifolia subsp. tanacetifolia R. Weatherby 1955-7-8 1616 Modoc 7 miles north of Ft. Bidwell, northern Warner Mts. 1875 Comment
  POM229954  Camissonia tanacetifolia subsp. tanacetifolia Louis C. Wheeler 1935-8-2 3744 Modoc Twelve Mile Creek, Warner Mountains 2195 Comment
  CAS-BOT-BC95105  Campanula scabrella D. Showers 1978-8-8 4219 Modoc Near Patterson Lake. 2743 Comment
  UC711893  Cardamine breweri Roxana S. Ferris and Laura Lorraine 1941-8-13 10527 Modoc Patterson Ranger Station Modoc National Forest, Warner Mts, East Creek drainage (East Creek drainage, Warner Mountains) 2164 Comment
  CAS-BOT-BC58427  Cardamine breweri var. breweri Louis Cutter Wheeler 1935-8-16 3864 Modoc Dismal Swamp, Warner Mts. 2225 Comment
  CAS-BOT-BC58432  Cardamine breweri var. breweri Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16404 Modoc Cedar Pass Camp ground, 3 mi. E of Thoms Creek bridge, on Cedar Pass Road. Comment
  CDA3734  Cardaria pubescens T. C. Fuller 1959-7-8 4714 Modoc Highway 139, chain station, 5.4 miles north of Canby. 0 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
  POM313077  Carex angustata Verne Grant, Irving Schneider 1947-8-29 8352 Modoc Pit River, at bridge by Coal Stone Valley. Comment
  CAS-BOT-BC242370  Carex athrostachya John Thomas Howell 1934-6-12 12030 Modoc Plum Valley. Comment
  UC1537644  Carex athrostachya Gordon H. True Jr. 1939-6-13 997 Modoc near Likely; Pit River Comment
  CAS-BOT-BC245137  Carex aurea Roxana Stinchfield Ferris; R. Duthie 1919-6-15 164 Modoc Along Parker Creek below Modoc National Forest Boundary. Comment
  UC70607  Carex aurea M. S. Baker and Frank Nutting 1894-6-15 Modoc Big Valley Mts. Comment
  RSA92358  Carex aurea Beecher Crampton 1954-7-6 2099 Modoc Edge of flowing water of Shields Creek, Warner Mountains, 20 miles east of Alturas. 1524 Comment
  CAS-BOT-BC245191  Carex diandra Robert Folger Thorne; C. W. Tilforth 1969-9-5 39164 Modoc Clear Lake. 1767 Comment
  RSA252448  Carex diandra Robert F. Thorne, C. W. Tilforth 1969-9-5 39164 Modoc Modoc National Forest, Warner Mountains, Clear Lake. 1768 Comment
  HSC48186  Carex douglasii D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19426 Modoc Near Hager Reservoir Comment
  RSA59357  Carex douglasii E. K. Balls 1950-5-10 14601 Modoc 1 mile E of Eagleville, between Middle and Lower Lakes. 1402 Comment
  RSA59541  Carex douglasii E. K. Balls 1950-5-17 14732 Modoc Foot of south slope Double Head, Modoc National Forest, south of Clear Lake. 1463 Comment
  JEPS109251  Carex filifolia D. W. Taylor 2007-5-17 20114 Modoc Egg Lake, near western portion of the lake at Duck Hole. Comment
  CAS-BOT-BC242367  Carex filifolia var. erostrata Leland S. Smith 1920-6-2 1160 1/2 Modoc Dismal Swamp. 2042 Comment
  JEPS114841  Carex lanuginosa Lowell Ahart, John Dittes 2008-6-21 15003 Modoc On damp soil along a deep natural drainage, about 30 yards west of the levee, mountain meadow, in Big Valley, about 3.6 miles (air) northeast of the Headquarters at Ash Creek State Wildlife Area, aout 6.4 miles (air northeast of Bieber 1269 Comment
  RSA504655  Carex leptopoda Bruce Bartholomew, B. Anderson 1988-7-23 4590 Modoc Pine Creek, 4 km E of U. S. Highway 395 on the road to Lily Lake, Warner Mountains. 1620 Comment
  CHSC109477  Carex luzulina L. P. Janeway; B. Castro 2012-7-27 11021 Modoc Warner Mountains. North-sloping meadow opening just above Mineral spring, 0.5 air km east of Yellow Mountain. 2361 Comment
  CAS-BOT-BC245163  Carex nebrascensis Annie Montague Alexander; L. Kellogg 1946-6-14 4762 Modoc Patterson Mill Road, branch road to Silver Creek. Comment
  CAS-BOT-BC245159  Carex pachystachya Roxana Stinchfield Ferris; R. Duthie 1919-6-15 150 Modoc Parker Creek near Modoc Nat. For. Boundary. Comment
  CHSC108011  Carex pellita Lowell Ahart; John Dittes 2011-6-21 17533 Modoc Just west of the levee, on the east side of Elkins Lane, about 50 yards north of the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  UC1024331  Carex pellita Annie M. Alexander and Louise Kellogg 1946-7-7 4931 Modoc Eight Mile Creek 1752 Comment
  CAS-BOT-BC245156  Carex praegracilis Herbert Louis Mason; Verne Grant 1947-8-13 13535 Modoc N side of F Reservoir, N of Canby. Comment
  UCD140769  Carex praegracilis Herbert L. Mason; Verne Grant 1947-7-12 13439 Modoc Corporation Ranch Headquarters, north of Likely. Comment
  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
  JEPS109538  Carex scopulorum var. bracteosa Dean Wm. Taylor with Glenn L. Clifton 1989-8-5 10458 Modoc Warner Mountains, northeast face Eagle Peak 2880 Comment
  JEPS114828  Carex sheldonii Lowell Ahart, John Dittes 2008-6-21 15012 Modoc In shallow water 4-6 inches deep, edge of a large pond, north of a large levee, mountain meadow, in Big Valley, about 4.3 miles (air) northeast of the Headquarters at Ash Creek State Wildlife Area, about 7.3 miles (air) northeast of Bieber 1266 Comment
  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
  JEPS63658  Carex simulata W. L. Jepson 1918-8-10 7936 Modoc Alturas 1371 Comment
  CHSC77253  Carex subfusca G. Schoolcraft 1996-7-23 2543 Modoc E. of Yankee Jim Ranch about 12 mile se of Alturas. 1645 Comment
  CAS-BOT-BC242395  Carex vesicaria var. vesicaria Annie Montague Alexander; L. Kellogg 1948-9-21 5625 Modoc Lily pond above Mineral Spring, one mile SW of top of grade between New Pine Creek and Fort Bidwell. 2286 Comment
  CAS-BOT-BC225995  Castilleja applegatei John Thomas Howell 1934-6-13 12049 Modoc Fandango Pass, Warner Mountains 1828 Comment
  CAS-BOT-BC225978  Castilleja applegatei subsp. pinetorum C. C. (Mrs.) Bruce 1894-8-1 70 Modoc Davis Creek. Comment
  CAS-BOT-BC229814  Castilleja applegatei subsp. pinetorum Bruce Bartholomew; Barrett Anderson 1988-6-24 4304 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-BC229824  Castilleja applegatei subsp. pinetorum John Thomas Howell 1934-6-11 11914 Modoc Parker Creek, Warner Mountains 1584 Comment
  CAS-BOT-BC229826  Castilleja applegatei subsp. pinetorum Leland S. Smith 1405 Modoc Modoc County. Comment
  CAS-BOT-BC248340  Castilleja applegatei subsp. pinetorum B. Bartholomew; H. Sun 2002-6-24 8807 Modoc Ridge top just S of Manzanita Mt. and 15.3 straight line km NW of Aden 2070 Comment
  HSC20502  Castilleja applegatei subsp. pinetorum M. T. Milligan 1965-6-30 381 Modoc E of Jess Valley. 1707 Comment
  JEPS17624  Castilleja applegatei subsp. pinetorum Rimo Bacigalupi with G. Thomas Robbins 1955-7-19 5376 Modoc e of and just above Soap Springs Meadow (forest road to Mill Creek Ranger Station, s Warner Mts.); Warner Mts., Modoc National Forest 2118 Comment
  JEPS17634  Castilleja applegatei subsp. pinetorum Rimo Bacigalupi with G. Thomas Robbins 1955-7-20 5400 Modoc 3.0 mi e Patterson Ranger Station (s Warner Range); Warner Range, Modoc National Forest 2194 Comment
  JEPS27947  Castilleja applegatei subsp. pinetorum Frances D. Payne 1929-7-22 108 -A Modoc w slope Warner Mountains (Parker Creek drainage); , Parker Creek 1584 Comment
  RSA185375  Castilleja applegatei subsp. pinetorum Clare B. Hardham 1961-6-18 7595 Modoc Warner Mountains, Davis Creek. 2134 Comment
  RSA537507  Castilleja applegatei subsp. pinetorum Barbara J. Ertter 1988-6-18 7644 Modoc Adin Summit on Highway 299 N of Adin 1585 Comment
  UC103495  Castilleja applegatei subsp. pinetorum Mrs. R. M. Austin Jun 1894 278 Modoc hills near Willow Creek Comment
  UC199384  Castilleja applegatei subsp. pinetorum W. P. Taylor and H. C. Bryant 1910-6-25 Modoc Parker Creek; Warner Mountains 1676 Comment
  UC444824  Castilleja applegatei subsp. pinetorum Milo S. Baker Modoc Forestdale Comment
  UC71632  Castilleja applegatei subsp. pinetorum Mrs. M. H. Manning 1902-10-11 43 Modoc Warner Mts Warner Mts. (ne Modoc County) Comment
  UC885467  Castilleja applegatei subsp. pinetorum C. L. Hitchcock 1940-5-27 6677 Modoc 15 mi ne Alturas 1615 Comment
  UC1599352  Castilleja applegatei subsp. pinetorum Milo S. Baker 1898-6 Modoc Comment
  CAS-BOT-BC226014  Castilleja campestris subsp. campestris Elmer Ivan Applegate 1897-6-5 2000 Modoc Near Alturas. 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-BC226026  Castilleja lacera Clare Butterworth Hardham 1961-6-18 7541 Modoc 3 mi. SE of Cedar Pass. 1828 Comment
  CAS-BOT-BC226029  Castilleja lacera Bruce Bartholomew; Barrett Anderson 1988-6-23 4238 Modoc 2.1 km SSE of Day on the road to State Highway 299. 1020 Comment
  CHSC117366  Castilleja lacera 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
  JEPS29100  Castilleja lacera Lauramay T. Dempster 1961-6-18 1699 Modoc 3.2 mi e Cedar Pass (near head of canyon s of highway) 1752 Comment
  JEPS86371  Castilleja lacera Jack and Betty Guggolz 1988-6-30 969 Modoc near Old Canyon Mill Road Comment
  JEPS79129  Castilleja lacera L. R. Heckard with R. Bacigalupi 1980-6-10 5233 Modoc about 10 mi nw Lookout (along Great Northern Railroad grade) Comment
  JEPS86678  Castilleja lacera L. R. Heckard with T. I. Chuang 1990-7-14 6759 Modoc ca 2 mi n Cedar Pass (along Old Common Mill Rd, ca 2 mi n of Cedar Pass) 2075 Comment
  CAS-BOT-BC226042  Castilleja linariifolia Belknap C. Goldsmith 1912-8-8 75 Modoc South of Goose Lake. 1493 Comment
  CAS-BOT-BC226047  Castilleja miniata Bruce Bartholomew 1994-7-2 6816 Modoc E of Bald Mountain, on E side of the Warner Mountains 2230 Comment
  JEPS3899  Castilleja miniata Annie M. Alexander and Louise Kellogg 1946-7-12 4978 Modoc Cowhead Lake Comment
  JEPS9771  Castilleja miniata L. S. Smith 1917-7-18 79 Modoc Soldier Creek; Warner Mts. 1950 Comment
  UC986479  Castilleja miniata Annie M. Alexander and Louise Kellogg 1946-7-12 4978 Modoc Cowhead Lake Comment
  CAS-BOT-BC226050  Castilleja pilosa Bruce Bartholomew; Barrett Anderson 1989-6-2 4786 Modoc Long Canyon, 12 km NE of Fort Bidwell on the road to the Oregon border. 1550 Comment
  CAS-BOT-BC226058  Castilleja pilosa E. S. Willits 1940-5-15 248 Modoc Davis Creek. 1371 Comment
  CAS-BOT-BC226065  Castilleja pilosa John H. Hatton 1911-6-20 125 Modoc Vicinity of Bolles meadows. 1524 Comment
  SJSU11483  Castilleja pilosa R. L. Fisher 1958-6-15 Modoc 15 mi E of Alturas 1676 Comment
  UC1540226  Castilleja pilosa Dean Wm. Taylor and Glenn L. Clifton 1987-6-27 9110 Modoc headwaters of upper South Deep Creek; Warner Mountains 2194 Comment
  UC27235  Castilleja pilosa M. S. Baker and Frank Nutting 1894-6-29 Modoc Big Valley Comment
  CAS-BOT-BC32564  Castilleja pilosa var. pilosa Alice Eastwood; John Thomas Howell 1940-6-11 8016 Modoc 7 miles SW of Canby Comment
  CAS-BOT-BC226083  Castilleja tenuis Bruce Bartholomew; Barrett Anderson 1989-6-1 4762 Modoc S end of Goose Lake. 1460 Comment
  RSA0062306  Castilleja tenuis Lowell Ahart, John Dittes 2011-6-22 17559 Modoc On the east side of the road, about 100 yards north of the Pilot Butte Parking Lot, north edge of Ash Creek Floodplain, 1.1 miles (air) south of County Road 87, 7.7 miles (air) west of Adin, 10 miles (air) east of Lookout, Big Valley. 1264 Comment
  UC73355  Ceanothus cuneatus var. cuneatus Milo S. Baker 1893-1 Modoc near Craigs Comment
  CAS-BOT-BC217108  Ceanothus prostratus Elmer Ivan Applegate 1932-8-2 8072 Modoc Mill Creek Meadow, W slope of Warner Mts. 2438 Comment
  SEINET12210602  Ceanothus prostratus J. Vale, Wagnon, K.; Knight, W.; Knight, I. 1981-1 4132 Modoc On White Horse Road near Egg Lake, n.w. of Lookout Comment
  POM136507  Ceanothus velutinus M. S. Baker 1898-07 s.n. Modoc [Unspecified] Comment
  UC1281456  Ceanothus velutinus H. E. McMinn 1931-5-23 2472 Modoc Fandango Pass Warner Mts., Fandango Pass Comment
  UC449584  Ceanothus velutinus Belknap C. Goldsmith 1911-9-17 39 Modoc Fandango Creek Modoc Nat. For., w slope Warner Mountains, Fandango Creek 1615 Comment
  UC526159  Ceanothus velutinus var. velutinus John Thomas Howell 1934-6-12 12059 Modoc Warner Mountains 1828 Comment
  CDA36158  Centaurea diffusa C. Pirosko Jul 2003 s.n. Modoc 0 Comment
  JEPS114495  Centaurea virgata subsp. squarrosa Lowell Ahart, John Dittes 2008-8-25 15300 Modoc In the middle of a poor dirt road, 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
  JEPS117314  Centromadia parryi subsp. rudis Lowell Ahart, John Dittes 2010-8-30 17060 Modoc In a small vernal pool, about 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 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley 1267 Comment
  CHSC117232  Centromadia pungens subsp. pungens Lowell Ahart; John Dittes 2016-7-16 21258 Modoc Along the north-south fence, south edge of Ash Creek Floodplain, northwest of Patterson Homestead, east of Elkins Lane, 1.0 mile (air) south of County Road 87, 3.14 miles (air) west of Adin, Big Valley. 1267 Comment
  CAS-BOT-BC95206  Cerastium fontanum Bruce Bartholomew 1991-8-6 6090 Modoc S Emerson Trail at stream between S Fork of Emerson Creek and Bearcamp Trail, Warner Mts. 2130 Comment
  CAS-BOT-BC197532  Cercocarpus betuloides var. betuloides Leland S. Smith 1922-8-28 1336 Modoc Canyon E of Andrews Ranch 1524 Comment
  JEPS45549  Cercocarpus betuloides var. macrourus L. S. Smith 1924-5 Modoc s of Egg Lake (Happy Camp District, Modoc National Forest); Modoc National Forest 1310 Comment
  UC466617  Cercocarpus betuloides var. macrourus Franklin P. Nutting Modoc Big Valley Mountains Comment
  RSA101382  Cercocarpus ledifolius R. Weatherby 1955-7-8 1632 Modoc 5 miles N of Ft. Bidwell, Northern Warner Mts. 1646 Comment
  NY848750  Cercocarpus ledifolius var. intermontanus B. Anderson 1986-7-10 3194 Modoc Warner Mountains. West Warner road north of the North Fork of Pine Creek 1965 Comment
  CAS-BOT-BC197528  Cercocarpus ledifolius var. ledifolius Frederick H. Frost 1925-7-11 31 Modoc Cedar Canyon, 2 mi. above Cedarville, Warner Mts. Comment
  CAS-BOT-BC214641  Cercocarpus ledifolius var. ledifolius C. L. Hitchcock 1940-5-27 6689 Modoc 15 mi. NE of Alturas. 1615 Comment
  NY418595  Cercocarpus macrourus M. S. Baker 1893-6-20 s.n. Modoc Rocky hillside. Comment
  SEINET3146201  Chaenactis douglasii L. S. Rose 1940-6-13 40546 Modoc Surprise, NE of Alturas 1372 Comment
  CAS-BOT-BC15058  Chaenactis douglasii var. douglasii Leland S. Smith 1918-7-7 977 Modoc Jess Valley, Modoc National Forest 1828 Comment
  CAS-BOT-BC15069  Chaenactis douglasii var. douglasii David Daniels Keck; J. Clausen 1935-6-24 3716 Modoc 1 mi. N of Buck's Ranger Station, 8 mi. south of New Pine Creek 1524 Comment
  CAS-BOT-BC15073  Chaenactis douglasii var. douglasii K. Paulson; Robert Paulson 1989-6-21 151 Modoc Vicinity of Granger Creek, E side of the Warner Mts. Comment
  SJSU11737  Chaenactis douglasii var. douglasii J. W. Tilden 1958-6-25 1268 Modoc near Monument Headquarters, Lava Beds National Monument Comment
Read comments
Aug 15 2012
  HSC80796  Chamaesaracha nana G. M. Riegel 1980-7-3 823 Modoc S Warner Mtns. 2100 Comment
  UC884530  Chamaesaracha nana Lewis S. Rose 1940-7-13 40561 Modoc Cedar Pass 2118 Comment
  RSA767683  Chamaesyce serpillifolia subsp. serpillifolia L. Ahart, John Dittes 2010-8-30 17054 Modoc North side of a small wash, about 10-15 yards west of the fence, south edge of the meadow, Ash Creek State Wildlife Area, 2300 feet north of Lassen County Line, about 3.6 air miles west of Adin, about 8 air miles northeast of Bieber, Big Valley. 1268 Comment
  UC17672  Chamaesyce serpyllifolia Milo S. Baker 1893-7-25 Modoc on island Egg Lake Comment
  JEPS59778  Chenopodium Frances D. Payne 1932-6-19 556 Modoc Jess Valley Rd e Likely (canyon); Warner Mountains Comment
  RSA0076312  Chenopodium L. C. Wheeler 1935-8-30 3930 Modoc Devil's Garden: Lakeshore Reservoir. 1524 Comment
  CAS-BOT-BC95520  Chenopodium berlandieri John Thomas Howell 1934-7-1 12308 Modoc Duncan Horse Camp. 1355 Comment
  CAS-BOT-BC95527  Chenopodium hians Elmer Ivan Applegate 1932-8-3 8102 Modoc Mill Creek Meadows, Warner Mts. Comment
  CAS-BOT-BC95531  Chenopodium pratericola Bruce Bartholomew 1989-7-14 4958 Modoc Survice Gulch ca. 3 km NE of Egg Lake. 1340 Comment
  RSA210829  Chenopodium salinum R. F. Thorne, J. Henrickson, C. W. Tilforth 1969-9-4 39074 Modoc E shore of Goose Lake at Willow Ranch. 1433 Comment
  UC412889  Chimaphila umbellata Franklin P. Nutting Aug 20 1900-Aug 30 1900 Modoc Big Valley Mts. near Forestdale; Big Valley Mts. Comment
  CDA19941  Chorispora tenella R. Breckenridge 2002-6-21 PDR 1204570 Modoc Northern California; Jones Lane, south of Alturas, W of canal. 1328 Comment
  UCR64883  Chrysothamnus nauseosus George K. Helmkamp 1990-9-23 H- 3 Modoc US Hwy 395, 13 mi north of Likely 1345 Comment
  CAS-BOT-BC15001  Chrysothamnus nauseosus subsp. albicaulis Elmer Ivan Applegate 1936-9-22 11058 A Modoc Fleeners Chimneys, Lava Beds National Monument. Comment
  CAS-BOT-BC15036  Chrysothamnus nauseosus subsp. consimilis Elmer Ivan Applegate 1932-8-6 8198 Modoc E side of Middle Lake, Surprise Valley. Comment
  CAS-BOT-BC14989  Chrysothamnus viscidiflorus subsp. viscidiflorus Elmer Ivan Applegate 1935-8-3 10001 Modoc North Boundary - Lyon, Lava Beds National Monument. Comment
  CAS-BOT-BC14993  Chrysothamnus viscidiflorus subsp. viscidiflorus Isabelo T. Kelly 1930-1-1 57 Modoc unspecified Comment
  CHSC114007  Chrysothamnus viscidiflorus subsp. viscidiflorus L. P. Janeway 2014-7-7 11449 Modoc Great Basin. Northwest edge of plateau overlooking Cow Head Lake; halfway between Cow Head Lake and Big Mud Lake; along an obscure dirt road 1.0 km north-northwest of Barrel Springs Road. 1670 Comment
  JEPS117374  Chrysothamnus viscidiflorus subsp. viscidiflorus Lowell Ahart, John Dittes 2010-8-30 17061 Modoc Near the homestead, about 100 yards east of the fence, Ash Creek State Wildlife Area, 2300 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley 1267 Comment
  JEPS21426  Chrysothamnus viscidiflorus subsp. viscidiflorus W. L. Jepson 1918-8-12 7947 Modoc Jess Valley 1584 Comment
  POM229873  Chrysothamnus viscidiflorus subsp. viscidiflorus L. C. Wheeler 1935-8-12 3828 Modoc Cottonwood Creek, Warner Mts. 1982 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
  SJSU9679  Chrysothamnus viscidiflorus subsp. viscidiflorus W. Savage 1979-8-22 1579 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  UC71576  Chrysothamnus viscidiflorus subsp. viscidiflorus Mrs. M. H. Manning 1902-10-1 27 Modoc near Fort Bidwell (ne Modoc county) Comment
  CAS-BOT-BC191008  Circaea alpina subsp. pacifica Bruce Bartholomew; Barrett Anderson 1990-7-20 5535 Modoc Buck Creek between Del Pratt Spring and Howard Flat, W side of Warner Mts. 1990 Comment
  CAS-BOT-BC14952  Cirsium andersonii Bruce Bartholomew; Barrett Anderson 1988-7-22 4490 Modoc Vicinity of East Creak Trailhead, southern end of the Warner Mts. 2210 Comment
  UCR57505  Cirsium arvense R. D. Goeden, Don W. Ricker 1989-8-23 890823- 13 Modoc Modoc National Wildlife Refuge, Alturas 1341 Comment
  CDA15027  Cirsium cymosum B. Villegas 1998-8-19 s.n. Modoc Cascade Range; Nr. New Pine Creek, 3.6 mi. E of Fandango Pass on Hwy 395. Comment
  UCD144215  Cirsium cymosum Baldo Villegas 1998-8-19 s.n. Modoc near New Pine Creek, 3.6 miles east of Fandango Pass on Highway 395. Comment
  CAS-BOT-BC14935  Cirsium occidentale var. candidissimum Roxana Stinchfield Ferris 1951-9-14 12466 Modoc Cedar Pass, Warner Mountains, between Cedarville and Alturas Comment
  UC91794  Cirsium occidentale var. candidissimum Milo S. Baker 1893-7-25 Modoc Lava Beds Comment
  UC990708  Cirsium occidentale var. candidissimum Roxana S. Ferris 1951-4-14 12466 Modoc between Cedarville and Alturas; Warner Mountains, Cedar Pass Comment
  UC30791  Cirsium occidentale var. candidissimum Mrs. R. M. Austin 1884-1-1 Modoc hills near Davis Creek Comment
  CDA1509  Cirsium ochrocentrum var. ochrocentrum G. D. Barbe 1982-7-13 3885 Modoc NE of Alturas, 0.5 mi. N of Hwy 395 at Woodrich & Pencil Rds. 0 Comment
  CAS-BOT-BC14941  Cirsium scariosum Bruce Bartholomew; Barrett Anderson 1988-7-22 4491 Modoc Vicinity of East Creak Trailhead, southern end of the Warner Mts. 2210 Comment
  UC1192198  Cirsium vulgare Verne Grant and Irving Schneider 1947-8-27 8320 Modoc sw end Clear Lake Comment
  CAS-BOT-BC191000  Clarkia John H. Hatton 1911-6-2 62 Modoc Modoc County. 1371 Comment
  CAS-BOT-BC172039  Clarkia gracilis subsp. gracilis John Thomas Howell 1934-6-30 12277 Modoc Duncan Horse Camp Comment
  CAS-BOT-BC172040  Clarkia gracilis subsp. gracilis Clare B. Hardham 1961-6-19 7818 Modoc Davis Creek, Warner Mountains 1524 Comment
  CAS-BOT-BC191067  Clarkia gracilis subsp. gracilis Bruce Bartholomew 1991-7-4 5926 Modoc Vicinity of Pine Spring between Miller Gulch and Twin Lakes. 1420 Comment
  CAS-BOT-BC191070  Clarkia gracilis subsp. gracilis Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16384 Modoc Rocky clay mesa 5 mi. E of Calif. St. Highway 299 along Cedar Pass road Comment
  HSC30036  Clarkia lassenensis D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19378 Modoc Along the S Fork of the Pit River, ~6 mi. E of Likely. Comment
  POM204163  Clarkia lassenensis J. T. Howell 1934-6-11 11942 Modoc Parker Creek, Warner Mts. 1585 Comment
  UC422855  Clarkia lassenensis M. F. Gilman 555 Modoc 1676 Comment
  CDA38042  Clarkia rhomboidea J. Elliot 1975-7-3 s.n. Modoc Forestry road, 2 mile north of Joseph Creek Basin, northeast of Alturas, Modoc National Forest. 0 Comment
  SEINET10632445  Clarkia rhomboidea Peter H. Raven, Otto T. Solbrig 1958-6-18 Raven 13309 Modoc Cottonwood Flat Camp Ground, Modoc National Forest. Comment
  RSA0080491  Claytonia lanceolata A. M. Alexander, Louise Kellogg 1946-6-15 4773 Modoc In fir forest and higher up in aspen grove. Deep Creek. 2134 Comment
  CAS-BOT-BC197441  Claytonia parviflora subsp. parviflora Bruce Bartholomew 1994-5-14 6679 Modoc NW of Day between Oilar Ranch and Day Rock. 1190 Comment
  CAS-BOT-BC197437  Claytonia perfoliata subsp. intermontana John Thomas Howell 1934-6-11 11953 Modoc Parker Creek. 1584 Comment
  CAS-BOT-BC197428  Claytonia perfoliata subsp. intermontana E. H. Steffen 1917-5-26 15 Modoc West Valley Camp. 1554 Comment
  UC1713744  Claytonia rubra subsp. rubra M. S. Baker and Frank Nutting 1894-6-16 Modoc near Forestdale Comment
  CAS-BOT-BC226092  Collinsia parviflora Milo Samuel Baker; Franklin P. Nutting 1894-6-4 s.n. Modoc Little Hot Spring Valley. Comment
  CAS-BOT-BC226097  Collinsia parviflora Bruce Bartholomew; Mona Bourell 1990-4-26 5158 Modoc 0.5 km S of Day. 1100 Comment
  CAS-BOT-BC229858  Collinsia parviflora F. Angwin 1946-4-13 s.n. Modoc Big Valley. 1280 Comment
  CAS-BOT-BC229865  Collinsia parviflora Bruce Bartholomew; Barrett Anderson 1988-5-12 4094 Modoc White Horse. 1340 Comment
  POM260476  Collinsia parviflora C. Leo Hitchcock 1940-5-27 6687 Modoc 15 miles northeast of Alturas. 1616 Comment
  UC26638  Collinsia parviflora Milo S. Baker 1893-6-15 Modoc Forestdale Comment
  UC748143  Collinsia parviflora Annie M. Alexander and Louise Kellogg 1946-6-14 4756 Modoc Silver Creek branch of Patterson Mill Road 1828 Comment
  JEPS23849  Collinsia parviflora Peter H. Raven with Otto T. Solbrig 1958-6-18 13313 Modoc Cottonwood Flat Camp Ground; Modoc National Forest Comment
  UC26624  Collinsia parviflora M. S. Baker and Frank Nutting 1894-6-4 Modoc Hot Springs Valley Comment
  JEPS17635  Collinsia torreyi var. wrightii Rimo Bacigalupi with G. Thomas Robbins 1955-7-20 5399 Modoc 3.3 mi e Patterson Ranger Station (flat at summit of forest rd across s end of Warner Range); Warner Mtns 2225 Comment
  UC748142  Collinsia torreyi var. wrightii Annie M. Alexander and Louise Kellogg 1946-7-19 5035 Modoc near Benton Meadow (Warner Mountains); Warner Mountains 2072 Comment
  CAS-BOT-BC190732  Collomia grandiflora Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16437 Modoc 4 mi. E of summit of Cedar Pass along Cedar Pass road. Comment
  CAS-BOT-BC190737  Collomia grandiflora Bruce Bartholomew 1989-7-15 5005 Modoc Sweagert Flat. 1860 Comment
  CAS-BOT-BC190741  Collomia grandiflora James D. Jokerst 1983-7-27 61021 Modoc Near Signal Butte. 1248 Comment
  CHSC116098  Collomia grandiflora Lowell Ahart; John Dittes 2015-7-16 20391 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
  UCD118163  Collomia grandiflora J. M. Tucker 1950-7-25 1972 Modoc Beside Highway 139, 26.4 miles SE of Tule Lake. Comment
  JEPS71010  Collomia grandiflora Frances D. Payne 1929-7-22 106 Modoc s and e Alturas (woods and bare knolls); Warner Mountains, Parker Creek 1584 Comment
  RSA304456  Collomia grandiflora D. H. Wilken, D. M. Smith 1971-7-1 10112 Modoc 1 mile E of Fandango Pass. Comment
  UC71714  Collomia grandiflora Mrs. M. H. Manning 1903-10-11 35 Modoc ne Modoc County Warner Range 1828 Comment
  CAS-BOT-BC190720  Collomia linearis Bruce Bartholomew; Barrett Anderson 1990-7-20 5513 Modoc Tamarack Flat, E side of Warner Mts. 2150 Comment
  CAS-BOT-BC229517  Collomia linearis Annie M. Alexander; Louise Kellogg 1946-7-3 4900 Modoc Bidwell Creek, 7 miles W of Fort Bidwell Comment
  SEINET13975533  Collomia linearis M. J. Williams 1984-6-30 84- 81 -4 Modoc 9.6 mi from Gerlach-Cedarville roa on the Parker Creek road, W side of the Warner Mtns., S. of Cedar Pass. 1829 Comment
  CAS-BOT-BC190710  Collomia tinctoria Annie Montague Alexander; L. Kellogg 1946-6-28 4864 Modoc Pine Creek Canyon, N end of Warner Mts. Comment
  CAS-BOT-BC190718  Collomia tinctoria Betty J. Hammerly 1941-6-20 41 Modoc Clear Lake public camp. 1767 Comment
  CAS-BOT-BC214801  Comarum palustre Robert Folger Thorne; C. W. Tilforth 1969-9-5 39162 Modoc Clear Lake, Warner Mts. Modoc National Forest 1767 Comment
  CAS-BOT-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
  RSA795596  Conium maculatum L. Ahart, John Dittes 2010-8-30 17066 Modoc On the sides of a small wash, about 10 yards east of the fence, south edge of the meadow, Ash Creek State Wildlife Area, 2300 feet north of Lassen County Line, about 3.6 air miles west of Adin., About 8.0 air miles northeast of Bieber, Big Valley. 1268 Comment
  SBBG128256  Conium maculatum L. Ahart, J. Dittes 2010-8-30 17066 Modoc ca. 10 yards E of the fence, S edge of the meadow; Ash Crk State Wildlife Area, 2300 feet N of Lassen County Line, ca. 3.6 mi W of Adin, ca. 8 mi NE of Bieber, Big Valley 1267 Comment
  UC429110  Corallorhiza maculata M. F. Gilman 656 Modoc Mts. 1828 Comment
  JEPS71355  Cordylanthus capitatus L. R. Heckard with R. Bacigalupi and T. I. Chuang 1973-7-29 3458 Modoc 3.5 mi n of Cedar Pass ((e of summit) e side of Warner Mountains, Summit of Old Cannon Mill Road); Warner Mountains, Old Cannon Mill Road 2072 Comment
  RSA504660  Cordylanthus capitatus Bruce Bartholomew, B. Anderson 1988-7-23 4560 Modoc Road beyond Poison Lake 8km S of the road from Hwy 395 to Lily Lake, Warner Mountains. 2140 Comment
  UC190605  Cordylanthus maritimus subsp. canescens M. F. Gilman 608 Modoc 1676 Comment
  SEINET12330725  Cordylanthus ramosus M. J. Williams 1985-1 85- 67 -2 Modoc road into S end of Big Sage Reservoir, NW of Alturas 1524 Comment
  CAS-BOT-BC95599  Cornus sericea John H. Hatton 1911-6-17 119 Modoc unspecified 1219 Comment
  UCD168577  Cotula mexicana Thomas Getts 2017-7-27 s.n. Modoc Three miles east and south of the town of Likely, Likely Place Golf and RV Resort. 1388 Comment
  JEPS114496  Crataegus castlegarensis Lowell Ahart, John Dittes 2008-8-25 15330 Modoc On the north bank of Ash Creek, Ash Creek State Wildlife Area, 4500 feet south of County Road 87, 2.7 miles (air) west of Adin, 9.1 miles (air) northeast of Bieber 1271 Comment
  HSC102678  Crataegus douglasii J. P. Smith, J. O. Sawyer 2011-8-14 13372 Modoc Fence row along Plum Valley Road, east of Davis Creek. 1494 Comment
  POM203067  Crepis acuminata J. T. Howell 1934-6-30 12289 Modoc Duncan Horse Camp. Comment
  CHSC116354  Crepis acuminata J. R. Keck Jr.; Pfeiffer 1985-6-6 PDR 237691 Modoc Forest land near Lookout Junction, southwest corner of Modoc County. Comment
  RSA164315  Crepis acuminata Clare B. Hardham 1961-6-18 7562 Modoc Hills 3 miles south of Cedar Pass 1829 Comment
  SEINET2142728 Image available Crepis acuminata A. A. Heller 1938-6-24 15220 Modoc Between Alturas and Canby along U.S. Highway 299. Comment
  SJSU9607  Crepis acuminata W. Savage 1979-7-7 1466 Modoc Triangle, Devils Garden District, Modoc National Forest 1493 Comment
  UC690857  Crepis bakeri M. S. Baker and Frank Nutting 1894-6-8 Modoc Egg Lake Comment
  CAS-BOT-BC14854  Crepis intermedia Elmer Ivan Applegate 1932-8-1 8002 Modoc N of Mill Creek Meadows, west slope of Warner Mountains 2438 Comment
  JEPS36446  Crepis intermedia Frances D. Payne 1931-6-11 150 a Modoc Parker Creek Warner Mts. 1584 Comment
  CAS-BOT-BC14882  Crepis modocensis Alice Eastwood; John Thomas Howell 1940-6-13 8148 Modoc Fandango Pass. Comment
  CAS-BOT-BC14881  Crepis modocensis subsp. subacaulis Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16389 Modoc 5 mi. E of State Hwy 299 along Cedar Pass Road. Comment
  CDA33478  Crepis occidentalis Dale Woods, V. Popescu, B. Villegas 2010-6-3 Modoc Kelly Springs Rd; about 2 miles southeast of Hwy 299, Modoc National Forest. 0 Comment
  CHSC70465  Crepis occidentalis A. Sanger 1997-6-3 2481 Modoc Along Mowitz Rd, at Boles Cr. crossing. Upland above creek. 1463 Comment
  CAS-BOT-BC14895  Crepis occidentalis subsp. occidentalis Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16388 Modoc 5 mi. E of State Hwy. 299 on Cedar Pass Road. Comment
  CAS-BOT-BC95594  Cressa truxillensis R. M. Austin 1894-8-1 s.n. Modoc Davis Creek. Comment
  UC23221  Cressa truxillensis Mrs. R. M. Austin Aug., 1894 Modoc Davis Creek Comment
  POM312623  Cressa truxillensis H. L. Mason 1947-8-15 13541 Modoc Mouth of Crane Creek on Willow Ranch, east side of Goose Lake. Comment
  RSA210858  Cressa truxillensis J. Henrickson, C. W. Tilforth 1969-9-4 39081 Modoc Desiccated, flat, alkaline, E shore of Goose Lake at Willow Ranch 1433 Comment
  CAS-BOT-BC14826  Crocidium multicaule Gordon H. True 1965-5-7 1880 Modoc Between Alturas and Goose Lake at Cedarville Rd. 1463 Comment
  CAS-BOT-BC14833  Crocidium multicaule Bruce Bartholomew; Mona Bourell 1990-4-26 5161 Modoc N end of Big Valley, 4.7 km N of Lookout on County Rte 90. 1270 Comment
  JEPS23939  Crocidium multicaule L. S. Smith 1924-5-31 Modoc Egg Lake Modoc National Forest, Egg Lake Comment
  RSA155793  Crocidium multicaule Peter H. Raven 1962-5-29 17897 Modoc State Highway 139 at south road to Lava Beds National Monument. Comment
  RSA59490  Crocidium multicaule E. K. Balls 1950-5-17 14729 Modoc South shore, Clear Lake Bird Refuge 1381 Comment
  SD53083  Crocidium multicaule Peter H. Raven 1962-5-29 17897 Modoc State Highway 139 at south road to Lava Beds National Monument. Comment
  UC84171  Crocidium multicaule Mrs. R. M. Austin 1884-6-1 Modoc plains of Goose Lake Valley Comment
  CDA36150  Crupina vulgaris CDFA Staff Jun 1992 Modoc 0 Comment
  JEPS114431  Crypsis alopecuroides Lowell Ahart, John Dittes 2008-8-26 15352 Modoc On the bottom of Rose Creek, 550 feet southwest of confluence of Rose Creek and Pit River, on the northwest side of unnamed road,, 2860 feet east of intersection with County Road 85a, 9.3 miles (air) north-northeast of Lookout 1276 Comment
  CHSC113086  Crypsis schoenoides Lowell Ahart; John Dittes 2013-7-24 18913 Modoc Around a man made pond, north side of Ash Creek Floodplain, 0.54 mile (air) southeast of Pilot Butte Parking Area, 1.1 miles (air) south of County Road 87, 6.8 miles (air) west of Adin, Big Valley. 1263 Comment
  CHSC100375  Crypsis vaginiflora Lowell Ahart; John Dittes 2008-8-26 15353 Modoc On the bottom of Rose Creek, 550 feet southwest of confluence of Rose Creek and Pit River, on the northwest side of unnamed road,, 2860 feet east of intersection with County Road 85a, 9.3 miles (air) north-northeast of Lookout. 1276 Comment
  UC1140902  Crypsis vaginiflora L. Whitney 1935-7-21 3563 Modoc Stone Coal Valley Pit River Comment
  UCD22685  Cryptantha Sarah Martin 1990-4-21 12 Modoc Modoc quadrangle. Comment
  CAS-BOT-BC54127  Cryptantha affinis Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10529 A Modoc Patterson Ranger Station (East Creek drainage). 2164 Comment
  CAS-BOT-BC54131  Cryptantha ambigua J. L. Gentry; E. Jensen 1968-7-4 2113 Modoc 15.2 mi NW of junction of Hwys 139 and 299 on Hwy 139. 1447 Comment
  CAS-BOT-BC54132  Cryptantha ambigua Leland S. Smith 1919-6-5 1115 Modoc Deep Creek above Ranger Station. 1584 Comment
  UCD119058  Cryptantha ambigua Collector unknown 1950-1 s.n. Modoc Modoc County. Comment
  CAS-BOT-BC54106  Cryptantha intermedia Clare Butterworth Hardham 1961-6-18 7545 Modoc Hills 3 mi E of Cedar Pass. 1828 Comment
  CAS-BOT-BC54110  Cryptantha intermedia C. C. (Mrs.) Bruce 1893-6-1 84 Modoc Davis Creek. Comment
  CAS-BOT-BC54145  Cryptantha intermedia David Daniels Keck; Jens Chr. Clausen 1935-6-24 3719 Modoc 9 mi. S of Pine Creek, E side of Goose Lake, 0.5 mi N of Buck's Ranger Station. 1524 Comment
  HSC75575  Cryptantha intermedia G. M. Riegel 1980-7-14 877 Modoc S Warner Mtns. 1739 Comment
  POM204138  Cryptantha intermedia J. T. Howell 1934-6-11 11983 Modoc Parker Creek, Warner Mts. 1585 Comment
  UC194969  Cryptantha intermedia W. P. Taylor and H. C. Bryant 1910-6-26 Modoc Parker Creek Warner Mountains 1676 Comment
  UC24699  Cryptantha intermedia M. S. Baker and Frank Nutting 1894-6-4 Modoc Little Hot Spring Valley Comment
  SEINET10455959  Cryptantha milobakeri Jeffrey Huber 1971-6-3 Huber 98 Modoc 5 mi S of Canby on CA Hwy 299, Lupines heavily carpeting hillsides of large basaltic boulders, sparse juniper, Artemisia, Purshia, Poa assoc. 1280 Comment
  CAS-BOT-BC54120  Cryptantha sobolifera Bruce Bartholomew 1991-8-5 6052 Modoc Summit Trail between Squaw Peak and Cottenwood Lake, crest of the Warner Mts. 2530 Comment
  UC705774  Cryptantha subretusa Marion Ownbey, Fred G. Meyer 1940-7-1 2134 Modoc Cedar Pass Warner Mts. 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
  HSC80940  Cryptantha torreyana G. M. Riegel 1979-7-18 509 Modoc S Warner Mtns. 2100 Comment
  CAS-BOT-BC30161  Cupressus bakeri C. O. Stone 1963-12-26 278 Modoc 1.5 miles S of Gassaway Reservoir. 1097 Comment
  UC1222086  Cupressus bakeri C. O. Stone 1963-12-26 278 Modoc approximately 1.5 mi s Gassaway Reservoir; Quadrangle 16C2 1097 Comment
  UC1523741  Cupressus bakeri Gary Schoolcraft 1981-9-1 573 Modoc w of; Day 1066 Comment
  CAS-BOT-BC95627  Cuscuta approximata Francis Dorris Payne 1932-6-10 732 Modoc Parker Creek. 1584 Comment
  NY643323  Cuscuta approximata L. C. Wheeler 1935-8-6 3796 Modoc Pine Creek (town) 1524.0 Comment
  RSA603169  Cuscuta approximata var. urceolata L. C. Wheeler 1935-8-6 3796 Modoc Pine Creek (town). 1524 Comment
  UC71860  Cuscuta subinclusa Mrs. M. H. Manning 1904-8 498 Modoc Joseph Creek Comment
  CAS-BOT-BC498763  Cynoglossum occidentale L. S. Smith 1910-6-1 1110 Modoc Modoc Forest, Deep Creek R.S. above pasture 1524 Comment
  JEPS101895  Cyperus squarrosus Dean W. Taylor 1989-8-4 10524 Modoc Emerson Creek drainage; Cole Creek, on road to Emerson Camp from Surprise Valley Comment
  POM229966  Cyperus squarrosus L. C. Wheeler 1935-9-3 3938 Modoc McGinty Reservoir, Devil s Garden 1463 Comment
  CAS-BOT-BC30216  Cystopteris fragilis Francis Dorris Payne 1932-7-14 680 Modoc Parker Creek. Comment
  RSA17704  Cystopteris fragilis Elmer I. Applegate 1932-8-2 8096 Modoc Mill Creek Meadows, west slope Warner Mountains, rocks along stream Comment
  UC1597990  Cystopteris fragilis Alan R. Smith with Christopher Richard, and C. Don MacNeill 1993-5-8 2547 Modoc e edge Lava Beds Nat'l Monument (ca. 100 meters e of Siskiyou Co line, breakdown trenches 35 meters s of spur rd to Fern Cave, 50-60 meters e of junction with Lyons Rd) 1249 Comment
  UC672642  Cystopteris fragilis F. H. Frost 1925-7-11 10 Modoc Cedar Canyon Campsite; Warner Mts. Comment
  CAS-BOT-BC245210  Damasonium californicum Bruce Bartholomew; Barrett Anderson 1988-6-23 4272 Modoc 4.0 km W of Day on County Road 94. 1340 Comment
  CAS-BOT-BC245218  Damasonium californicum Bruce Bartholomew; Barrett Anderson 1989-6-3 4857 Modoc Crowder Flat Road at Fletcher Creek. 1550 Comment
  CHSC71892  Damasonium californicum Vernon H. Oswald; Lowell Ahart 1998-9-8 9596 Modoc County Rd. 95 at Taylor Creek northwest of Lookout and ca. 0.5 air mi northeast of Lookout Junction. 1280 Comment
  POM182452  Damasonium californicum Milo S. Baker s.n. Modoc Egg Lake Comment
  UC529  Damasonium californicum Milo S. Baker 1893-7-25 5828 Modoc Egg Lake Comment
  JEPS68522  Danthonia californica L. S. Smith 1917-7-1 91 Modoc Deep Creek R.S. camp Warner Mts. 2133 Comment
  UC1024677  Danthonia californica Leo Whitney 1934-5-27 2171 Modoc ca 15 mi nw Canby; Modoc National Forest, Hackamore 1463 Comment
  SJSU4373  Danthonia unispicata H. L. Buckalew 1961-7-27 Modoc near Stowe Reservoir, c. 3 mi N of Cedar Pass on Alturas-Cedarville Rd, eastern Warner Mts. 2072 Comment
  UCR163912  Danthonia unispicata Jim Andre 1993-6-30 1404 Modoc Modoc Plateau, about 10 miles NW of Canby on Hwy 139, near NW end of Oak Ridge 1494 Comment
  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-BC217337  Delphinium andersonii M. M. Hanna 1956-6-5 Modoc Cedar Pass Camp ground. Comment
  JEPS86305  Delphinium depauperatum Jack and Betty Guggolz 1988-7-4 979 Modoc Comment
  NY487634  Delphinium depauperatum Mrs. C. C. Bruce 2236 Modoc Lake City Canyon Comment
  NY487636  Delphinium depauperatum B. M. Bartholomew 1988-6-24 4308 Modoc Road beyond Poison Lake ca. 8 km south of the road from U.S. Highway 395 to Lily Lake, Warner Mountains. Fort Bidwell 15' Quad. 2130 Comment
  UC9161  Delphinium depauperatum Mrs. R. M. Austin June 1894 Modoc Willow Creek Comment
  CAS-BOT-BC217281  Delphinium nuttallianum Bruce Bartholomew 1995-5-13 6906 Modoc 4.8 km W of Eagleville, E side of the S end of Surprize Valley. 1480 Comment
  CAS-BOT-BC217318  Delphinium nuttallianum Bruce Bartholomew; Barrett Anderson 1989-4-30 4708 Modoc 0.8 km S of Centerville Rd. (Co. road 54) on road to Ralston Gulch (Co. road 77). 1400 Comment
  CAS-BOT-BC217320  Delphinium nuttallianum Bruce Bartholomew; Barrett Anderson 1989-4-30 4718 Modoc 4.2 km W of State Highway 299 along the N side of the Pit River W of Canby Bridge. 1320 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
  UC72892  Delphinium nuttallianum Milo S. Baker Modoc Forestdale Comment
  NY492432  Delphinium stachydeum B. M. Bartholomew 1989-6-2 4810 Modoc Northeast side of Upper Lake, 4 km south of road to Fee Reservoir, northeast end of Surprise Valley. 1420 Comment
  CAS-BOT-BC242482  Deschampsia cespitosa subsp. cespitosa Elmer Ivan Applegate 1932-8-2 8073 Modoc Mill Creek Meadows. Comment
  CAS-BOT-BC242476  Deschampsia danthonioides Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-15 16517 Modoc 13 mi. W of Canby, along Hwy 139. Comment
  CAS-BOT-BC242479  Deschampsia danthonioides Roxana Stinchfield Ferris; R. Duthie 1919-6-14 167 Modoc Parker Creek at Modoc National Forest boundary. Comment
  UC53588  Deschampsia danthonioides M. S. Baker and Frank Nutting 1894-8-20 Modoc near Forestdale Forestdale 1371 Comment
  RSA27333  Descurainia incana subsp. incisa C. L. Hitchcock 1940-5-27 6713 Modoc 15 miles NE of Alturas. 1677 Comment
  HSC6719  Descurainia incisa subsp. incisa M. T. Milligan 1964-7-25 189 Modoc Pine Creek Basin, along trail. 2439 Comment
  CAS-BOT-BC58608  Descurainia pinnata subsp. brachycarpa Bruce Bartholomew; Barrett Anderson 1989-4-29 4675 Modoc 6.4 km E of Fort Bidwell on road to Fee Reservoir, NE corner of Surprise Valley. 1460 Comment
  CAS-BOT-BC190763  Dicentra uniflora Leland S. Smith 1920-6-2 1163 Modoc Dismal Swamp. 2042 Comment
  RSA520437  Dicentra uniflora Bruce Bartholomew, M. Bourell 1990-4-28 5205 Modoc Top of Hunters Ridge south of Rush Creek 1960 Comment
  UC1586937  Dichelostemma capitatum Juha Pykala and D. H. Norris 1987-5-27 1047 Modoc between Lower Rush Creek Campground and Upper Rush Creek Campground; Modoc National Forest 1493 Comment
  CAS-BOT-BC242118  Dichelostemma multiflorum Bruce Bartholomew 1990-6-15 5216 Modoc SW side of of Hunters Ridge, 6.3 km SSE of Hwy 299 on road from Rush Creek. 1640 Comment
  CAS-BOT-BC242120  Dichelostemma multiflorum John Thomas Howell 1934-6-11 11945 Modoc Parker Creek. 1584 Comment
  CAS-BOT-BC49467  Dieteria canescens var. shastensis Bruce Bartholomew 1991-8-5 6024 Modoc Summit Trail between Pepperdine and Squaw Peak, W side of Warner Mts. 2190 Comment
  UC219328  Dieteria canescens var. shastensis Elmer I. Applegate 1921-9-2 3341 Modoc near Tule Lake; Dry Lake, near Tule Lake Comment
  CAS-BOT-BC131052  Dimeresia howellii Marion Ownbey; Fred G. Meyer 1940-7-1 2136 Modoc Cedar Pass, Warner Mts. Comment
  CAS-BOT-BC14849  Dimeresia howellii Bruce Bartholomew 1991-5-24 5731 Modoc 2.9 km NE of road between Fort Bidwell and Fee Reservoir on road to Big Mud Lake. 1680 Comment
  JEPS102209  Dimeresia howellii J. Greenhouse 2001-6-9 5014 Modoc Warner Mountains, E end of ridge about 1.5 mi due E of Bald Mountain 2215 Comment
  CAS-BOT-BC229910  Diplacus cusickioides P. Monnet 1913-7-7 882 Modoc Warner's Range. 1828 Comment
  CAS-BOT-BC234520  Diplacus layneae Bruce Bartholomew; Barrett Anderson 1988-6-23 4279 Modoc 4.0 km W of Day on County Road 94. 1340 Comment
  CAS-BOT-BC234454  Diplacus nanus M. Vasey 1990-6-29 9016 Modoc Trail to summit above North Emerson Lake. South Warner Wilderness. 2651 Comment
  CAS-BOT-BC234485  Diplacus nanus Mrs. H. C. Cantelow 1940-6-2 4417 Modoc Rd to Lava Beds. W of Alturas. Comment
  CHSC57244  Diplacus pygmaeus David M. Thompson 1988-6-3 927 Modoc Egg Lake, S end. Between Kramer Reservoir and White Horse-Lookout road along intermittent stream; 2.3 rd mi W of railroad crossing. 1299 Comment
  CAS-BOT-BC234441  Diplacus tricolor Bruce Bartholomew; Barrett Anderson 1989-6-3 4906 Modoc ca. 6 km NW of Egg Lake and ca. 0.8 km E of Service Flat Gulch. 1370 Comment
  CAS-BOT-BC218288  Dodecatheon alpinum Bruce Bartholomew; Barrett Anderson 1988-7-23 4567 Modoc Dismal Swamp, Warner Mts.. 2180 Comment
  UC201724  Dodecatheon alpinum W. P. Taylor and H. C. Bryant 1910-7-24 Modoc e face Warren Pk Warner Mountains, e face Warren Pk 2651 Comment
  RSA534709  Dodecatheon alpinum subsp. majus Bruce Bartholomew 1991-8-5 6033 Modoc Squaw Co. Squae Peak Trail on N side of Squaw Peak, E side of Warner Mts. Seepage area. 2420 Comment
  CAS-BOT-BC218280  Dodecatheon conjugens Leo David Whitney 1935-5-19 3108 Modoc Edge of Hackamore River, near Hackamore. Comment
  JEPS9494  Dodecatheon conjugens Leo D. Whitney 1935-5-19 3108 Modoc near Hackamore (edge of Hackamore River); , near Hackamore Comment
  JEPS9496  Dodecatheon conjugens E. H. Steffen 5 Modoc West Valley Camp Warner Mts., West Valley Camp 1676 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-BC218269  Dodecatheon conjugens var. conjugens Bruce Bartholomew; Barrett Anderson 1989-4-28 4655 Modoc 11 km N of State Highway 299 and ca. 1 km S of Raker & Thomas Reservoir. 1500 Comment
  CAS-BOT-BC218271  Dodecatheon conjugens var. conjugens Edward Kent Balls 1950-5-17 14737 Modoc Howard's Gulch Public Camp, off Hwy 139, NW of Canby. 1432 Comment
  CAS-BOT-BC95119  Downingia bacigalupii K. Paulson; Robert Paulson 1989-6-21 140 Modoc Vicinity of N Fork of Fitzhugh Creek, W side of the Warner Mts. 1493 Comment
  CAS-BOT-BC95124  Downingia bacigalupii Bruce Bartholomew 1991-7-4 5896 Modoc S end of Higgins Flat. 1370 Comment
  CDA13455  Downingia bacigalupii G. F. Hrusa, T. D. Wilfred 1996-7-21 13302 Modoc Modoc Plateau; Adjacent to Modoc Co. Rd. 90 bridge over Pit River. E base of Splawn Mtn. N end of Big Valley. Comment
  CHSC112758  Downingia bacigalupii Lowell Ahart; John Dittes 2013-7-24 18916 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
  RSA0039535  Downingia bacigalupii Lowell A. Ahart, John Dittes 2012-7-11 18334 Modoc North edge of the meadow, about 1/8 mile east of the parking area on the east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  UC187453  Downingia bacigalupii Milo S. Baker 1893-7-25 Modoc near shore of Egg Lake Comment
  POM253177  Downingia bacigalupii A. A. Heller 1938-6-24 15229 Modoc Near Adin, along U.S. Hwy 299. 1280 Comment
  RSA436117  Downingia bacigalupii L. S. Rose 1940-6-11 40511 Modoc Canby. 1326 Comment
  SBBG125476  Downingia bacigalupii L. Ahart, J. Dittes 2012-7-11 18334 Modoc N edge of a meadow, ca. 1/8 mi E of the parking area on E side of Elkins Lane, Ash Crk State Wildlife Area, ca. 4 mi W of Adin, ca. 8 mi NE of Bieber, Big Valley 1266 Comment
  UC157669  Downingia bacigalupii Milo S. Baker Modoc Little Hot Spring Valley Comment
  CAS-BOT-BC95129  Downingia bicornuta var. bicornuta Bruce Bartholomew; Barrett Anderson 1990-7-19 5413 Modoc Turner Creek at County Rd 90, N end of Big Valley, 6.4 km N of Lassen County border. 1230 Comment
  UC1368462  Downingia bicornuta var. bicornuta R. K. Gierisch 1969-7-16 3547 Modoc Spaulding Reservoir 1432 Comment
  HSC26587  Downingia elegans D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19396 Modoc Along Hager Basin Rd. near Big Sage Reservoir. Comment
  SFV3643  Downingia elegans I. L. Wiggins, D. B. Wiggins 1961-6-15 16515 Modoc Dry vernal swales 13 miles west of Canby, along CA-Highway 139. Comment
  CHSC66295  Downingia insignis Vernon H. Oswald 1996-6-27 7902 Modoc Dorris Reservoir, Modoc National Wildlife Refuge, ca. 3 mi E of Alturas. Modoc Plateau. 1335 Comment
  CAS-BOT-BC498756  Draba L. S. Smith 1918-8-17 66 Modoc Modoc Forest, Marren Mt. 2621 Comment
  HSC80859  Draba albertina G. M. Riegel 1980-9-3 1130 Modoc S Warner Mtns. 2305 Comment
  SEINET195668  Draba albertina Annie M. Alexander, L Kellogg 1946-8-3 5112 Modoc Head of Eagle Creek Warner Mts Comment
  CAS-BOT-BC58552  Draba densifolia Bruce Bartholomew 1991-8-5 6074 Modoc Summit Trail, NW side of Squaw Peak, W side of Warner Mts. 2450 Comment
  CAS-BOT-BC58589  Draba verna K. Paulson; Robert Paulson 1991-5-25 221 Modoc W side of Goose Lake, ca. 1 mi. S of Log Landing. 1478 Comment
  CAS-BOT-BC58593  Draba verna Bruce Bartholomew; Barrett Anderson 1989-4-27 4620 Modoc 2.1 km SSE of Day on road to State Highway 299. 1020 Comment
  JEPS122445  Dracocephalum parviflorum B. Castro, L. P. Janeway 2014-6-7 2028 Modoc Warner Mtns. East side of crest of Warner Mountains 1.1 mi E of Cedar Pass, 1.1 mi N of Highway 299 along Stough Reservoir Rd (USFS Rd 43N07) ca 0.4 mi E of Stough Reservoir. Quad: Cedarville 7.5'. Comment
  UC1594774  Drymocallis David Charlet 1989-8-15 500 Modoc 1 km nw Eagle Peak; South Warner Mountains, nw of Eagle Peak 2550 Comment
  CAS-BOT-BC214758  Drymocallis glandulosa Annie Montague Alexander; L. Kellogg 1946-7-23 5051 Modoc Emerson Peak, Warner Mts. Comment
  CAS-BOT-BC214765  Drymocallis glandulosa Leland S. Smith 1918-8-17 1036 Modoc Eagle Peak Ridge above Emerson. 2621 Comment
  HSC18759  Drymocallis glandulosa M. T. Milligan 1965-6-27 367 Modoc E slope of eroded volcanic plateau. 1677 Comment
  HSC25988  Drymocallis glandulosa var. glandulosa D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19492 Modoc Big Valley Summit, 6 mi. W of Adin on Hwy. 299 Comment
  JEPS120526  Drymocallis lactea var. lactea L. P. Janeway, B. Castro 2012-7-24 10959 Modoc Warner Mountains. Along Forest Road / county Raod 2 (the road from new Pine Creek to Fort Bidwell) 1.4 air km east of Lily Lake and 1.8 air km southwest of Dismal Swamp. Comment
  CAS-BOT-BC14807  Dugaldia hoopesii Robert Patterson; Mona Bourell 1993-8-14 5233 Modoc Patterson Lake. South Warner Wilderness Area. Warner Mountains. 2743 Comment
  UCD60818  Echinochloa crus-galli L. Whitney 1935-7-6 3435 Modoc Pit River near Lookout. Comment
  JEPS123979  Elatine Lowell Ahart, John Dittes 2015-7-15 20354 Modoc Ash Creek State Wildlife Area, about 3.9 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. Comment
  CHSC99258  Elatine rubella Lowell Ahart; John Dittes 2008-6-21 14980 Modoc 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
  JEPS114834  Elatine rubella Lowell Ahart, John Dittes 2008-6-21 14980 Modoc 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
  UC190419  Eleocharis bella M. S. Baker and Frank Nutting 1894-8-20 Modoc Forestdale 1371 Comment
  CAS-BOT-BC242378  Eleocharis macrostachya John H. Hatton 1911-6-15 115 Modoc Spaulding's meadows. 1463 Comment
  SJSU9588  Eleocharis macrostachya W. Savage 1979-7-5 1352 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  CHSC117762  Eleocharis pachycarpa L. P. Janeway 2016-5-18 12073 Modoc Modoc Plateau. Devils Garden area; Island Meadow, along Road 47N08 2.1 road-km north of Road 73/181/47N09. Broad flat meadow in rolling terrain of yellow pine and juniper. 1606 Comment
  JEPS127582  Eleocharis pachycarpa L. P. Janeway 2016-5-18 12073 Modoc Modoc Plateau. Devils Garden area; Island Meadow, along Road 47N08 2.1 road-km north of Road 73/181/47N09. Beaver Mountain 7.5' Quad. Comment
  CAS-BOT-BC242381  Eleocharis quinqueflora Calvin McMillan; Malcom A. Nobs 1949-6-16 796 Modoc Dry Valley Reservoir, 33 mi. NNW of Alturas. Comment
  UC1100700  Eleocharis quinqueflora Malcolm A. Nobs, Calvin McMillan 1949-6-16 796 Modoc Dry Valley Reservoir, 33 mi NNW of Alturas. Comment
  POM229182  Eleocharis quinqueflora L. C. Wheeler 1935-8-15 3862 Modoc Dismal Swamp, Twenty Mile Creek, Warner Mts. 2226 Comment
  CAS-BOT-BC247762  Elymus Leland S. Smith 1924-5-31 s.n. Modoc Egg Lake near south end - Modoc National Forest Comment
  JEPS45884  Elymus L. S. Smith 1281 Modoc Ranger Station pasture Rush Creek (s of meadow) Comment
Read comments
Mar 25 2011
  UCD62823  Elymus X saundersii L. Whitney 1935-7-1 3374 Modoc Hackamore River, Hackamore, ca. 15 miles northwest of Canby, Modoc National Forest. 1463 Comment
  HSC100066  Elymus cinereus G. D. Barbe, T. C. Fuller 1979-8-21 2546 Modoc E side of County Hwy. 1, 5.6 km S of Fort Bidwell, 3.2 km N of Fandango Pass Rd., MDB & M. Comment
  CAS-BOT-BC247745  Elymus elymoides subsp. elymoides Bruce Bartholomew 1990-6-17 5322 Modoc E side of Surprise Valley, 9.6 km E of Eagleville at the Nevada border. 1580 Comment
  HSC65366  Elymus elymoides var. elymoides J. P. Smith, J. O. Sawyer 1973-8-8 7214 Modoc Near summit of Eagle Peak 2988 Comment
  HSC80813  Elymus glaucus G. M. Riegel 1979-7-16 560 Modoc South Warner Mountains 530 Comment
  CAS-BOT-BC247733  Elymus lanceolatus subsp. lanceolatus Bruce Bartholomew; Barrett Anderson 1990-7-19 5400 Modoc Turner Creek at County Rd 90, N end of Big Valley, 6.4 km N of Lassen County border. 1230 Comment
  JEPS121216  Elymus repens Lowell Ahart, John Dittes 2013-7-24 18934 Modoc South bank of Ash Creek Canal, S of Ash Creek, Ash Creek State Wildlife Area, 0.79 air miles S of County Road 87, 1.73 air miles W of Adin, Big Valley. Comment
  HSC80812  Elymus trachycaulus G. M. Riegel 1979-9-8 759 Modoc South Warner Mtns. 640 Comment
  UC1037185  Elymus trachycaulus Leo Whitney 1935-7-23 3571 Modoc USBE Plot Modoc Nation Forest, Happy Camp (15 mi w of Canby) 1463 Comment
  UCD32709  Elymus trachycaulus Beecher Crampton 1954-7-7 2137 Modoc Modoc County, west side of Cedar Pass. Comment
  JEPS114843  Elymus trachycaulus subsp. subsecundus Lowell Ahart, John Dittes 2008-6-21 15014 Modoc On the south side of the dirt road, uplands, in Big Valley, about 3.8 miles (air) northeast of the Headquarters at Ash Creek State Wildlife Area, about 6.5 miles (air) northeast of Bieber 1264 Comment
  CDA2054  Elytrigia repens T. C. Fuller 1958-7-8 1940 Modoc Corporation Ranch, Likely. 0 Comment
  HSC16363  Epilobium anagallidifolium M. T. Milligan 1966-7-5 557 Modoc E of Jess Valley 1829 Comment
  HSC41113  Epilobium brachycarpum Thomas W. Nelson, James Nelson, Jane P. Nelson 1976-8-29 3260 Modoc Modoc National Forest: along Hwy. 299 just NW of Adin Pass 1524 Comment
  NY999860  Epilobium brachycarpum G. Schoolcraft 1993-8-2 2340 Modoc Near intersection of Hwy 395 and 299 east of Alturas 1372 Comment
  RSA0113965  Epilobium brachycarpum Lowell A. Ahart, John Dittes 2008-8-25 15277 -A 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
  SEINET6635824 Image available Epilobium brachycarpum Verne Grant, Irving Schneider 1947-8-27 8308 Modoc ca. 10 mi S of Tulelake, Modoc National Forest Comment
  JEPS117166  Epilobium campestre Lowell Ahart, John Dittes 2010-8-30 17058 Modoc About 10 yards west of the fence, south edge of the meadow, Ash Creek State Wildlife Area, 2,300 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley 1267 Comment
  UC1191616  Epilobium campestre Herbert L. Mason and Verne Grant 1947-7-10 13329 Modoc 2 miles e Alturas; Dorris Reservoir Comment
  UCD105945  Epilobium campestre Robert F. Thorne; J. Henrickson, C. W. Tilforth 1969-9-4 39122 Modoc N Fork of Pit River, 3.4 miles N of Alturas where crossed by Highway 395. 1341 Comment
  SJSU9667  Epilobium campestre W. Savage 1979-7-9 1511 .5 Modoc by ranch house Round Valley, Triangle, Devils Garden District, Modoc National Forest 1493 Comment
  UC1191744  Epilobium ciliatum subsp. ciliatum Verne Grant and Irving Schneider 1947-8-28 8340 Modoc nw Alturas; Jack Swamp Comment
  CAS-BOT-BC190980  Epilobium ciliatum subsp. glandulosum K. Paulson; Robert Paulson 1989-7-14 186 Modoc Vicinity of Cave Lake, N end of the Warner Mts. 1987 Comment
  CAS-BOT-BC190988  Epilobium ciliatum subsp. glandulosum Bruce Bartholomew; Barrett Anderson 1988-7-21 4466 Modoc Vicinity of Patterson Campground, southern end of the Warner Mts. 2190 Comment
  RSA41237  Epilobium ciliatum subsp. glandulosum A. M. Alexander, Louise Kellogg 1946-7-11 4965 Modoc Slope west of Eight Mile Creek, northeast corner of Modoc County Comment
  UC71580  Epilobium densiflorum Mrs. M. H. Manning 1904-1 Modoc Halls Meadows Comment
  CAS-BOT-BC190964  Epilobium hallianum Bruce Bartholomew 1994-8-20 6858 Modoc W side of Goose Lake, N of McGinty Point. 1450 Comment
  CAS-BOT-BC190966  Epilobium hallianum Elmer Ivan Applegate 1932-8-2 8076 Modoc Mill Creek Meadows, western slope of Warner Mts. Comment
  CAS-BOT-BC190969  Epilobium hallianum Bruce Bartholomew 1991-7-4 5909 Modoc Roney Flat. 1460 Comment
  NY1000358  Epilobium hallianum B. M. Bartholomew 1991-8-5 6042 Modoc Squaw Peak Trail on north side of Squaw Peak, east side of Warner Mountains 2420 Comment
  CAS-BOT-BC498683  Epilobium hornemannii Elmer I. Applegate 1932-8-2 8081 Modoc Mill Creek Meadows, Warner Mts. Comment
  UC748257  Epilobium hornemannii subsp. hornemannii Annie M. Alexander and Louise Kellogg 1946-7-11 4964 Modoc slope w Eight Mile Creek (ne corner of Modoc Co.) Comment
  HSC49635  Epilobium obcordatum J. P. Smith, J. O. Sawyer 1973-8-8 7220 Modoc Near summit of Eagle Peak 2988 Comment
  CAS-BOT-BC190872  Epilobium pygmaeum Robert Folger Thorne; et al 1969-9-4 39122 Modoc Margin of N Fork of Pit River, 3.4 mi. N of Alturas from crossing by Hwy 395. 1341 Comment
  UC4491  Epipactis gigantea M. S. Baker and Frank Nutting 1894-6-30 Modoc near Lookout; Big Valley Comment
  JEPS120175  Equisetum laevigatum Lowell Ahart, John Dittes 2012-7-10 18314 Modoc Northeast of the old homestead, Ash Creek State Wildlife Area, about 3.4 miles (air) west of Adin, about 8.2 miles (air) northeast of Bieber, Big Valley. Comment
  RSA273431  Eremocarpus setiger Thomas W. Nelson, Jane Nelson, James Nelson 1976-8-29 3264 Modoc Modoc National Forest, along Highway 299 just north east of Adin Pass. 1524 Comment
  CAS-BOT-BC248311  Eremogone aculeata B. Bartholomew; H. Sun 2002-6-24 8850 Modoc E of Bald Mt., on the E side of the Warner Mountains 2130 Comment
  CAS-BOT-BC95484  Eremogone aculeata Leland S. Smith 1917-6-10 33 Modoc Jess Valley. 1524 Comment
  HSC63952  Eremogone aculeata Teresa Prendusi 1980-6-19 1111 Modoc Larkspur Seeding 3 mi. E of top of Upper Lake in the Larkspur Hills 1463 Comment
  UCSB48319  Eremogone aculeata Hardham, Clare 1961-6-18 Modoc Cedar Pass 1828 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
  CAS-BOT-BC95467  Eremogone congesta Alice Eastwood; John Thomas Howell 1940-6-11 8005 Modoc 6 mi. NE of Adin on road to Canby. Comment
  UCD98091  Eremogone congesta Beecher Crampton 1960-6-17 5698 Modoc McKay Flat, 13 miles west of Canby, 2.5 miles northeast of Happy Camp Station. 1280 Comment
  CAS-BOT-BC95451  Eremogone congesta John H. Hatton 1911-6-12 41 Modoc Modoc County. 1524 Comment
  CAS-BOT-BC95460  Eremogone congesta Gregg M. Riegel 1980-7-28 949 Modoc unspecified 2415 Comment
  CAS-BOT-BC14816  Ericameria bloomeri Louis Cutter Wheeler 1935-9-9 3960 Modoc South Mt., Devil's Garden. 1524 Comment
  UC195495  Ericameria bloomeri Mrs. M. H. Manning 1905-9-15 Modoc Halls Meadows, ne Modoc County Halls Meadows Comment
  UCR34485  Ericameria bloomeri J. A. Harpel 1981-8-7 V- 54 Modoc Warner Mtns, South Warner Wilderness Area: Pine Creek Basin Trail, 7 mi NW of Eagleville 2652 Comment
  RSA606145  Ericameria greenei L. C. Wheeler 1935-8-14 3854 Modoc Lily Lake, Pine Creek, Warner Mts. 2134 Comment
  CAS-BOT-BC287480  Ericameria greenei M. Bourell; R. Patterson 1993-8-15 5239 Modoc South Warner Wilderness Area. Warner Mts. Along trail from Patterson Lake to ca 2 miles N toward Pepperdine Trailhead 2743 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
  UC193100  Ericameria nauseosa var. oreophila Mrs. R. M. Austin 1894-8-1 Modoc n of Alturas Comment
  CHSC70464  Ericameria nauseosa var. speciosa A. Sanger 1997-8-21 2606 Modoc Along road south of large burn plantation, approx. 1.5 miles south of Forest Rd. 44N77. 1389 Comment
  UCD131147  Ericameria parryi var. latior Beecher Crampton 1954-7-8 2198 Modoc 4 miles west of Alturas, on small volcanic mesa. Comment
  CAS-BOT-BC42838  Erigeron austiniae Mrs. H. C. Cantelow 1935-6-8 s.n. Modoc S of Marlin. Comment
  RSA74773  Erigeron barbellulatus Elroy Robinson 1936-7-20 b 115 Modoc Along trail bet Mono Hot Springs and Mono Meadow. 2134 Comment
  SEINET10617400  Erigeron bloomeri Billy Joe Cox, Paul Gallian 1971-6-3 Cox 2612 Modoc 6 mi. N of Alturas on U.S. Hwy. 395, W facing slope, in middle of grassland pasture edging into Artemisia which adjoins Juniper woodland. 1341 Comment
  CAS-BOT-BC42805  Erigeron bloomeri var. bloomeri Alice Eastwood; John Thomas Howell 1940-6-12 8104 Modoc W side of Cedar Pass. Comment
  CAS-BOT-BC42814  Erigeron bloomeri var. bloomeri Milo Samuel Baker; Franklin P. Nutting 1894-6-1 s.n. Modoc Near Egg Lake. Comment
  CAS-BOT-BC42846  Erigeron bloomeri var. bloomeri Alice Eastwood; John Thomas Howell 1940-6-12 8084 Modoc Jess Valley. Comment
  CHSC112854  Erigeron bloomeri var. bloomeri L. P. Janeway; B. Castro 2014-6-2 11281 Modoc Great Basin. Along County Road 5 1.0 km west of the southwest corner of Cow Head Lake. 1627 Comment
  JEPS126547  Erigeron bloomeri var. bloomeri Lowell Ahart, John Dittes 2016-6-6 20952 Modoc About 50 yards southwest of the intersection of County Road 87 and Access Road to Pilot Butte Parking Area, northeast base of Pilot Butte, 3.8 miles (air) east of Lookout, 7.5 miles (air) west of Adin, Ash Creek State Wildlife Area. Comment
  OBI48595  Erigeron bloomeri var. bloomeri Lewis S. Rose 1940-6-12 40539 Modoc 6 mi NE of Alturas 1341 Comment
  UC1035995  Erigeron bloomeri var. bloomeri Helen K. Sharsmith 1955-6-23 4494 Modoc 6.7 mi e Cedar Campground (just s of State Hwy 29); Modoc National Forest, Warner Mountains 1859 Comment
  CAS-BOT-BC294906  Erigeron chrysopsidis var. austiniae Elmer I. Applegate 1936-5-17 10312 Modoc Lava Beds National Monument. Top of Gillams bluff Comment
  UC895684  Erigeron chrysopsidis var. austiniae Lewis S. Rose 1940-6-12 40542 Modoc 9 mi ne Alturas; Cedar Pass Rd 152 Comment
  RSA164349  Erigeron compositus Clare B. Hardham 1961-6-19 7889 Modoc Road from Mount Bidwell to Dismal Creek 2439 Comment
  CAS-BOT-BC42819  Erigeron coulteri Annie M. Alexander; Louise Kellogg 1946-8-3 5109 Modoc Head of Eagle Creek, Warner Mountains Comment
  HSC5503  Erigeron coulteri M. T. Milligan 1964-7-25 184 Modoc Pine Creek Basin, along trail. 2439 Comment
  HSC5504  Erigeron coulteri M. T. Milligan 1966-7-29 602 Modoc Slopes and ridges E of Jess Valley 1982 Comment
  JEPS5924  Erigeron coulteri Frances D. Payne 1931-6-25 262 Modoc 2 mi sw Warren Peak; Warner Mts., Pine Creek Basin 2316 Comment
  CDA14605  Erigeron divergens G. D. Barbe 1991-8-28 4446 Modoc Kelley Spring, 3.4 miles (5.5 km) from Hwy 299 at Rush Creek, on primary Forest Service Road 22 and Road 40N33, Modoc National Forest. 1645 Comment
  CAS-BOT-BC42786  Erigeron eatonii var. plantagineus Roxana Stinchfield Ferris; L. Lorraine 1941-8-14 10585 A Modoc 3 mi. from Patterson Ranger Station on road to Eagleville, Warner Mountains Comment
  UC1562548  Erigeron eatonii var. plantagineus Barbara Ertter 1988-6-18 7628 Modoc Hwy 139 14.5 mi ene jct. Hwy 299 at Canby (n of Bessler Reservoir) 1463 Comment
  UC748369  Erigeron eatonii var. plantagineus Annie M. Alexander and Louise Kellogg 1946-7-18 5013 Modoc Benton Meadow Warner Mountains 2072 Comment
  UC87676  Erigeron eatonii var. plantagineus Mrs. R. M. Austin June 1894 Modoc Lava Beds 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
  CAS-BOT-BC42765  Erigeron elegantulus Dean William Taylor; Robert Allen Price 1988-6-4 9764 Modoc Tule Lake Basin, along road to Lava Beds National Monument, ca. 6.6 mi W of Hwy 139. 1280 Comment
  JEPS89684  Erigeron elegantulus Dean Wm. Taylor with Robert A. Price 1988-6-4 9764 Modoc 6.6 mi w of Highway 139 and 1.3 mi se (15deg) of East Sand Butte (Tule Lake Basin along road to Lava Beds National Monument, Modoc Plateau); Modoc Plateau, Tule Lake Basin 1280 Comment
  UC562942  Erigeron elegantulus Elmer I. Applegate 1924-6-24 5891 Modoc dry rocky hills btween Alturas and Davis Creek Comment
  CAS-BOT-BC49627  Erigeron filifolius Roxana Stinchfield Ferris; L. Lorraine 1941-8-14 10611 Modoc Summit of Fandango Pass, on road between Fort Bidwell and Pine Creek, Warner Mountains, Modoc N.F. 1889 Comment
  CAS-BOT-BC42772  Erigeron filifolius Annie Montague Alexander; L. Kellogg 1946-6-18 4790 Modoc Patterson Mill Road. Comment
  UC31466  Erigeron filifolius Milo S. Baker 1893-6-20 Modoc Comment
  CAS-BOT-BC49617  Erigeron glacialis var. glacialis Elmer Ivan Applegate 1932-7-9 7593 Modoc N slope of Bidwell Mountain, Warner Mountains Comment
  JEPS41394  Erigeron glacialis var. glacialis M. F. Gilman 603 Modoc Modoc Mts. 1828 Comment
  JEPS5926  Erigeron glacialis var. glacialis Frances D. Payne 1931-6-29 305 Modoc e slope Warner Peak; Warner Mountains, Warner Peak 2286 Comment
  SBBG101261  Erigeron inornatus R. R. Halse 1991-7-28 4245 Modoc St Hwy 139, 13 mi NW of jct with St Hwy 299 1469 Comment
  CAS-BOT-BC49632  Erigeron inornatus var. inornatus Francis Dorris Payne 1931-6-11 148 Modoc Parker Creek. 1584 Comment
  CAS-BOT-BC49606  Erigeron linearis Leland S. Smith 1918-6-23 963 Modoc High Grade, North Warner Mtns. 2133 Comment
  CAS-BOT-BC49610  Erigeron linearis John Thomas Howell 1934-6-12 12007 Modoc Between Davis Creek and Plum Valley. Comment
  CAS-BOT-BC49645  Erigeron linearis Fred D. Douthitt 1916-5-11 13 Modoc Juniper Flats, Modoc N.F. 1524 Comment
  CHSC67084  Erigeron linearis James D. Jokerst 1987-5-13 2872 Modoc Radar Survey Site S of Doublehead Mtn., S of Clear Lake Reservoir, SE of dry lake ca. 250 m on edge of basalt flow. 1365 Comment
  UC1037317  Erigeron linearis Leo Whitney 1934-5-27 1863 Modoc dry rocky flat near Hackamore; Modoc National Forest 1463 Comment
  UC485111  Erigeron lonchophyllus Mrs. R. M. Austin 1885-8-1 Modoc Goose Lake Valley Comment
  CAS-BOT-BC49577  Erigeron philadelphicus Annie Montague Alexander; L. Kellogg 1946-8-10 5149 Modoc 0.5 mi. beyond Porter Reservation Road. Comment
  CAS-BOT-BC49583  Erigeron philadelphicus C. C. (Mrs.) Bruce 1899-8-1 s.n. Modoc Goose Lake. Comment
  CDA4945  Erigeron philadelphicus LeRoy Smith 1964-8-4 Modoc Adjacent to Dick Fuller Ranch, Modoc County Road 112, Tulelake Basin. 0 Comment
  UC468828  Erigeron philadelphicus var. philadelphicus M. F. Gilman 551 Modoc 1432 Comment
  UC748388  Erigeron philadelphicus var. philadelphicus Annie M. Alexander and Louise Kellogg 1946-8-10 5149 Modoc 0.5 mi beyond Porter Resvr. Rd. (small camp in firs for hunters); Warner Mountains Comment
  UCD131460  Erigeron pumilus var. intermedius Beecher Crampton 1960-6-17 5688 Modoc 5 miles south of Perez, Plant Quarantine Station area. 1371 Comment
  UC1561068  Erigeron tener Dean Wm. Taylor with Glenn L. Clifton 1989-8-5 10444 Modoc cirque headwall above South Emerson Lake (Emerson Creek drainage); Warner Mountains, Emerson Creek drainage 2560 Comment
  UC1735880  Eriogonum caespitosum Dean W. Taylor 1987-6-27 9111 b Modoc Warner Mountains, head upper South Deep Creek, 2194 Comment
  RSA554798  Eriogonum caespitosum Margaret J. Williams 1988-5-30 88- 26 -8 Modoc Jess Valley, east of Likely, south of roadside rest 1524 Comment
  HSC80736  Eriogonum douglasii G. M. Riegel 1980-8-13 1064 Modoc S Warner Mtns. 1829 Comment
  CHSC117047  Eriogonum douglasii var. meridionale Lowell Ahart; John Dittes 2016-6-6 20950 Modoc About 40 yards west of the dirt road, about 50 yards southwest of the intersection of County Road 87 and Access Road to Pilot Butte Parking Area, northeast base of Pilot Butte, 3.8 miles (air) east of Lookout, 7.5 miles (air) west of Adin, Ash Creek State Wildlife Area. 1271 Comment
  UC1250292  Eriogonum elatum Annie M. Alexander and Louise Kellogg 1946-7-7 4919 Modoc s, on highway Fort Bidwell Comment
  JEPS56998  Eriogonum elatum var. elatum Frances D. Payne 1932-7-22 738 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  UCR40300  Eriogonum heracleoides var. angustifolium G. R. Ballmer, G. F. Pratt 1985-7-15 s.n. Modoc Warner Mtns., near the summit of Mount Bidwell 2500 Comment
  CAS-BOT-BC197811  Eriogonum heracleoides var. heracleoides J. L. Reveal; Darin Scott Reveal 1978-8-11 4824 Modoc Warner Mts., Dismal Swamp, about 2 mi. N of Modoc Co. Road 2, at the NW end of Dismal Swamp S of Dismal Creek. 2225 Comment
  RSA165621  Eriogonum heracleoides var. heracleoides Clare B. Hardham 1961-6-21 7917 Modoc East of Lakeview Comment
  RSA601441  Eriogonum heracleoides var. heracleoides Louis C. Wheeler 1935-8-2 3750 Modoc Warner Mountains: Twenty Mile Creek. 2195 Comment
  RSA65209  Eriogonum heracleoides var. heracleoides F. W. Peirson 1926-6-25 6863 Modoc Warner Mountains; not far below summit in small side canyon; Cedarville Road, west slope Comment
  UC217575  Eriogonum microthecum var. laxiflorum H. M. Hall 1921-9-9 11665 Modoc 6 mi from Malin Comment
  LA206945  Eriogonum nudum var. oblongifolium O. H. Kappler; 1949-7-26 s.n. Modoc Adin Pass. Along Route 299 1523 Comment
  CAS-BOT-BC211417  Eriogonum nudum var. pubiflorum Robert J. Weatherby 1955-7-8 1637 Modoc 3 miles N of Ft. Bidwell, northern Warner Mts. 1554 Comment
  CAS-BOT-BC211444  Eriogonum nudum var. pubiflorum Bruce Bartholomew 1991-8-5 6048 Modoc Summit Trail between Squaw Peak and Cottenwood Lake, crest of the Warner Mts. 2470 Comment
  CAS-BOT-BC211446  Eriogonum nudum var. pubiflorum Alice Eastwood; John Thomas Howell 1940-6-12 8049 Modoc Between Likely and Jess Valley. Comment
  CDA36737  Eriogonum nudum var. pubiflorum Richard R. Halse 2010-9-2 8108 Modoc Warner Mountains; Modoc National Forest; along State Hwy 299 ca 2.8 miles west of Cedarville by the Cedar Creek Lower Trailhead. Comment
  RSA165443  Eriogonum nudum var. pubiflorum Clare B. Hardham 1961-6-19 7842 -B Modoc Willow Creek. Warner Mountains. Comment
  SEINET11261581  Eriogonum nudum var. pubiflorum Stanley L. Welsh, N. Duane Atwood 2001-6-14 28160 Modoc Along Hwy 395. Ca 6 mi s of Alturas.; 0 Comment
  UC1305824  Eriogonum nudum var. pubiflorum Noel H. Holmgren, James L. Reveal 1964-8-21 1717 Modoc about 5 mi sw on the Eagleville-Likely Road Eagleville; Warner Range, Modoc National Forest Comment
  UCD100708  Eriogonum nudum var. pubiflorum Richard R. Halse 2004-7-22 6671 Modoc along US Hwy 395, 6 miles north of Alturus. 1341 Comment
  CAS-BOT-BC211403  Eriogonum nudum var. pubiflorum Harry Dwight Dillon Ripley; Rupert Charles Barneby 1944-6-1 6030 Modoc Canyon of Warner Mts. back of Cedarville. 1219 Comment
  HSC80861  Eriogonum prociduum var. prociduum G. M. Riegel 1980-8-9 1030 Modoc S Warner Mtns. 1829 Comment
  NY283083  Eriogonum spergulinum var. reddingianum B. M. Bartholomew 1991-8-5 6026 Modoc Summit trail between Pepperdine and Squaw Peak, W side of Warner Mts. 2190 Comment
  SBBG18304  Eriogonum sphaerocephalum C. B. Hardham 1961-6-19 7852 Modoc Willow Crk 1524 Comment
  CAS-BOT-BC211422  Eriogonum sphaerocephalum var. halimioides Annie Montague Alexander; L. Kellogg 1946-8-8 5124 Modoc Patterson Lake Trail, Warner Mts. 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
  RSA125288  Eriogonum sphaerocephalum var. halimioides Peter H. Raven, Otto T. Solbrig 1958-6-18 13317 Modoc Meadow in forest of Pinus Jeffreyi, along dirt road 8.8 mi. south of Happy Camp Guard Station, Modoc National Forest. Comment
  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
  RSA339148  Eriogonum sphaerocephalum var. halimioides Margaret J. Williams 1984-7-1 84- 88 -1 Modoc NW of Alturas, 3.5 mi. N of Hwy 299, Crowder Flat Rd. 1372 Comment
  UC1334498  Eriogonum sphaerocephalum var. halimioides Dorothy E. Beetle 1941-6-29 66 Modoc at the pass of the road to Cedarville 2118 Comment
  UC1540241  Eriogonum sphaerocephalum var. halimioides Dean Wm. Taylor, Glenn L. Clifton 1987-6-27 9105 Modoc along Highway 395 about 3.5 mi n n junction with Highway 299 1371 Comment
  UC711867  Eriogonum sphaerocephalum var. halimioides Roxana S. Ferris and Laura Lorraine 1941-8-14 10594 Modoc 3 mi on the road to Eagleville Patterson Ranger Station; Warner Mountains, Modoc National Forest Comment
  CAS-BOT-BC211357  Eriogonum strictum subsp. anserinum John Thomas Howell 1934-6-11 11934 Modoc Parker Creek, Warner Mts. 1584 Comment
  RSA601668  Eriogonum strictum var. anserinum Louis C. Wheeler 1935-8-5 3790 Modoc Pine Creek, Warner Mts. 2378 Comment
  RSA504666  Eriogonum umbellatum K. Paulson, R. Paulson 1988-5-22 7 Modoc Devil's Garden. In clay. 1433 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
  NY399115  Eriogonum umbellatum var. dichrocephalum J. L. Reveal 1978-8-11 4821 Modoc Warner Mountains, along Modoc County Road 2 form near New Pine Creek to Fort Bidwell, just east of Poison Lake turnoff about 5.4 miles east of U.S. highway 395 1935.5 Comment
  UCD101449  Eriogonum umbellatum var. hausknechtii J. P. Smith; J. O. Sawyer 1973-8-8 7230 Modoc at or near the summit of Eagle Peak. 2987 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
  UC85975  Eriogonum umbellatum var. modocense Oliver Austin July 1884 Modoc Goose Lake Valley 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
  CAS-BOT-BC197793  Eriogonum umbellatum var. nevadense John Thomas Howell 1934-6-13 12106 Modoc North Fork of Barber Creek, Warner Mts. 1828 Comment
  NY399278  Eriogonum umbellatum var. nevadense B. M. Bartholomew 1990-6-15 5246 Modoc Top of Manzanita Mountain in vicinity of Manzanita Lookout. 2130 Comment
  UC1250285  Eriogonum umbellatum var. nevadense Annie M. Alexander and Louise Kellogg 1946-7-11 4972 Modoc mesa w Eight Mile Creek 1752 Comment
  HSC17359  Eriogonum umbellatum var. nevadense M. T. Milligan 1965-6-27 372 Modoc E slope of eroded volcanic plateau. 1677 Comment
  CAS-BOT-BC197608  Eriogonum umbellatum var. polyanthum Elmer Ivan Applegate 1932-8-5 8176 Modoc Arid summit of Cedar Mountain, Warner Mts. Comment
  CAS-BOT-BC197776  Eriogonum umbellatum var. polyanthum Alice Eastwood; John Thomas Howell 1940-6-13 8115 Modoc Surprise. Comment
  CAS-BOT-BC197779  Eriogonum umbellatum var. polyanthum Bruce Bartholomew 1989-7-15 5017 Modoc Manzanita Lookout, top of Manzanita Mountain. 2130 Comment
  SEINET248298  Eriogonum umbellatum var. porteri Noel H. Holmgren, James L. Reveal 1964-8-22 1420 Modoc Warner Range, just below the top of Eagle Peak. 3028 Comment
  CAS-BOT-BC197591  Eriogonum vimineum Clare Butterworth Hardham 7836 Modoc Davis Creek. 1676 Comment
  CAS-BOT-BC197600  Eriogonum vimineum Barrett Anderson 1986-7-9 3162 Modoc Warner Mts, County Rd. 195 just E of Cedar Pass. 1785 Comment
  HSC81004  Eriogonum vimineum G. M. Riegel 1980-7-14 869 Modoc S Warner Mtns. 1829 Comment
  NY399569  Eriogonum vimineum B. M. Bartholomew 1991-6-22 5856 Modoc Northeast side of Surprise Valley on road to Fee Reservoir, 6.4 km east of Fort Bidwell 1490 Comment
  RSA65965  Eriogonum vimineum F. W. Peirson 1926-6-24 6856 Modoc near a small lake about 3 mi. east of Alturas. Comment
  SEINET3872965  Eriogonum vimineum Richard R. Halse 2010-8-25 8084 Modoc Along State Hwy. 139 ca 25.5 miles northwest of its junction with State Hwy. 299; Modoc National Forest.; 0 1278 Comment
  SEINET5341981  Eriogonum vimineum R. R. Halse 2010-8-25 8084 Modoc Along State Hwy 139 ca. 25.5 miles northwest of its junction with State Hwy. 299, Modoc National Forest 1278 Comment
  CAS-BOT-BC49594  Eriophyllum lanatum Francis Dorris Payne 1929-6-29 30 Modoc Parker Creek, Warner Mountains 1584 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
  CHSC67478  Eriophyllum lanatum var. achilleoides James D. Jokerst 1983-5-31 1810 Modoc Lyneta Ranch Surveys: Adjacent to Hwy. 395 6 mi S of Alturas. 1341 Comment
  JEPS34631  Eriophyllum lanatum var. achilleoides N. T. Mirov 1929-6-16 Modoc Buck Creek Ranger Station e of Goose Lake (on Fandango Valley road); Warner Mountains 1554 Comment
  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
  UC75807  Eriophyllum lanatum var. integrifolium Milo S. Baker 1893-1 Modoc Forestdale Comment
  CAS-BOT-BC498754  Eriophyllum lanatum var. leucophyllum L. S. Smith 1918-7-22 1005 Modoc Modoc Forest, McCarva Ranch, Blue Lake 1828 Comment
  HSC8472  Erodium cicutarium M. T. Milligan 1966-4-8 447 Modoc N end of Jess Valley 1616 Comment
  UC1051434  Eryngium articulatum Herbert L. Mason 1955-8-14 14650 Modoc s. end Goose Lake Comment
  UC1510463  Eryngium mathiasiae Phil Leitner and Barbara Malloch 1983-7-17 Modoc near Double Head Mountain (N of road); Modoc National Forest Comment
  CDA38313  Eryngium mathiasiae J. Kelley 1981-7-27 s.n. Modoc Highway 139, Alturas. 0 Comment
  UC1487337  Eryngium mathiasiae Yusuf Sheikh and Lincoln Constance 1973-6-27 552 Modoc s. Lower Roberts Reservoir (at n.w. edge of Lookout, on Old Camp 2 Rd. toward White Horse) Comment
  UC1037215  Erysimum capitatum Leo Whitney 1934-5-22 1576 b Modoc hillside near Timbered Mountain (ne portion of county); Modoc National Forest, Devil's Garden 1524 Comment
  CAS-BOT-BC58341  Erysimum repandum Edward Kent Balls 1950-5-13 14664 Modoc Goose Lake, E shore, about Willow Ranch. 1463 Comment
  CAS-BOT-BC58335  Erysimum repandum Isabelo T. Kelly 1930-1-1 55 Modoc Modoc County. Comment
  CHSC117498  Erythranthe breviflora Lowell Ahart; John Dittes 2016-7-14 21183 Modoc Around the 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
  SEINET13754570 Image available Erythranthe breviflora Arthur Cronquist, Arthur H. Holmgren 1959-1 8521 Modoc At Cedarville Pass; Warner Mtns., between Cedarville and Alturas 1951 Comment
  CAS-BOT-BC229918  Erythranthe guttata Elmer Ivan Applegate 1932-7-31 7970 Modoc Mill Creek Meadows. Comment
  CAS-BOT-BC234528  Erythranthe lewisii Bruce Bartholomew; Barrett Anderson 1988-7-22 4525 Modoc Mill Creek, Lake City Canyon, 5.5 km W of Lake City, E side of the Warner Mts.. 1860 Comment
  CAS-BOT-BC234463  Erythranthe primuloides K. Paulson; Robert Paulson 1988-6-29 63 Modoc Benton Meadow, Warner Mts.. 1676 Comment
  CAS-BOT-BC234432  Erythranthe suksdorfii Bruce Bartholomew 1995-6-2 6947 Modoc About 0.3 km E of Barrel Spring road on road from Fort Bidwell to Fee Reservoir. 1510 Comment
  CAS-BOT-BC190754  Eschscholzia californica John Thomas Howell 1934-6-30 12284 Modoc Duncan Horse Camp. 1355 Comment
  CAS-BOT-BC95712  Euphorbia serpillifolia Herbert Louis Mason; Verne Grant 1947-7-10 13325 Modoc Dorris Reservoir. Comment
  CAS-BOT-BC95711  Euphorbia serpillifolia Belknap C. Goldsmith 1912-8-6 84 Modoc W side of Goose Lake. 1463 Comment
  CHSC85429  Eurybia integrifolia John Dittes; Josephine Guardino 1991-8-23 453 Modoc Modoc Plateau; Warner Mountains; southwest edge of Dismal Swamp; ca. 7.4 air-miles east by southeast of Goose Lake State Recreation Area, ca. 0.7 air-miles south of Oregon border, ca. 3.3 air-mile northwest of summit of Bidwell Mtn. Meadow. 2209 Comment
  LA13109  Festuca idahoensis John Thomas Howell; 1934-7-1 12335 Modoc Duncan Horse Camp Comment
  UC60787  Festuca idahoensis M. S. Baker and Frank Nutting 1894-1 Modoc Comment
  JEPS69254  Festuca pratensis L. S. Smith 1917-7-23 121 Modoc Joseph Creek Warner Mts. 1828 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
  UC1025053  Festuca rubra Leo Whitney 1935-7-21 3585 Modoc 15 mi w Canby; Modoc National Forest, Happy Camp 1463 Comment
  CAS-BOT-BC179187  Floerkea proserpinacoides Margaret J. Williams 1984-6-30 84- 80 -1 Modoc 6.8 mi. W of Cedarville-Gerlach road, Granger Canyon Rd. 1981 Comment
  NY1101588  Floerkea proserpinacoides C. L. Hitchcock 1940-5-27 6696 Modoc 15 miles northeast of Alturas 1615 Comment
  RSA25411  Floerkea proserpinacoides C. L. Hitchcock 1940-5-27 6696 Modoc 15 miles NE of Alturas. 1616 Comment
  RSA534561  Fraxinus latifolia Bruce Bartholomew 1991-7-6 5982 Modoc W side of Egg Lake 1300 Comment
  HSC77965  Fritillaria atropurpurea O. Ballantyne 1983-7-20 Modoc S Warner Mtn., Patterson Station 2134 Comment
  RSA59801  Fritillaria atropurpurea E. K. Balls 1950-5-17 14735 Modoc Howards Gulch Public Camp, off Hwy. 139. N.W. of Canby. 1433 Comment
  CAS-BOT-BC242096  Fritillaria pudica Bruce Bartholomew 1993-4-3 6407 Modoc Adjacent to Turner Creek at County Rd 90, N end of Big Valley, 6.4 km N of Lassen County border. 1300 Comment
  CAS-BOT-BC242099  Fritillaria pudica Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-10 6432 Modoc 5 km NE of Davis Creek on road to Plum Valley Campground. 1700 Comment
  UC429296  Fritillaria pudica Milo S. Baker 1896-5-15 86 Modoc Levi Brown's place Comment
  CAS-BOT-BC179875  Galeopsis tetrahit Herbert Louis Mason; Verne Grant 1947-7-12 13417 Modoc S end of W side road, Pit River Valley, S of Alturas. Comment
  UC1191797  Galeopsis tetrahit Herbert L. Mason and Verne Grant 1947-7-12 13417 Modoc s of Alturas (near s end of Westside Road); Pit River Valley Comment
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May 29 2009
  CAS-BOT-BC225042  Galium aparine Bruce Bartholomew; Barrett Anderson 1989-6-3 4880 Modoc Boles Creek, ca. 5.5 km E of the SE corner of Clear Lake Reservoir. 1430 Comment
  CAS-BOT-BC225050  Galium aparine Bruce Bartholomew; Barrett Anderson 1990-7-20 5545 Modoc N edge of Howard Flat, W side of Warner Mts. 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
  UC1736402  Galium grayanum var. nanum Dean W. Taylor 1989-8-5 10467 Modoc Warner Mountains; North Emerson Lake, cirque above the lake 2392 Comment
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Feb 1 2007
  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
  UC71833  Galium mexicanum var. asperulum Mrs. M. H. Manning 486 Modoc near Fort Bidwell (ne Modoc Co.) Comment
  JEPS27648  Galium serpenticum subsp. warnerense Lauramay T. Dempster and Clare Hardham 1961-6-19 1710 Modoc mouth of canyon just se New Pine Creek; ; southeast of New Pine Creek, Modoc. Co. Comment
  UC71839  Galium serpenticum subsp. warnerense Mrs. M. H. Manning 1904-7-15 387 Modoc ne Modoc Co. Mt. Bidwell 2438 Comment
  RSA0005775  Galium serpenticum subsp. warnerense Lauramay T. Dempster, C. Hardham 1961-6-19 1710 Modoc Mouth of canyon just SE of New Pine Creek. 1585 Comment
  UC1192008  Galium trifidum var. pacificum Verne Grant and Irving Schneider 1947-8-24 8254 Modoc in creek Warner Mountains, Jess Valley Comment
  CAS-BOT-BC225083  Galium triflorum Bruce Bartholomew; Barrett Anderson 1988-7-21 4429 Modoc Whipple Spring, E side of Whitehorse Flat Reservoir. 1340 Comment
  CHSC85401  Galium triflorum John Dittes; Josephine Guardino 1991-8-24 462 Modoc Modoc Plateau; Warner Mountains; west slope, ca. 8.2 air-miles east of Goose Lake, ca. 2.3 air-miles south of Dismal Swamp, ca. 1.6 air-mile west of Bidwell Mtn.; tributary of Bidwell Creek west of Highgrade Road. 2087 Comment
  CAS-BOT-BC190855  Gayophytum decipiens Bruce Bartholomew; Barrett Anderson 1989-6-3 4873 A Modoc Boles Creek, ca. 5.5 km E of the SE corner of Clear Lake Reservoir. 1430 Comment
  RSA563215  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
  JEPS27503  Gayophytum racemosum W. L. Jepson 1918-8-7 7889 Modoc Mt. Bidwell 2468 Comment
  CAS-BOT-BC190823  Gayophytum ramosissimum John Thomas Howell 1934-6-30 12281 Modoc Duncan Horse Camp. 1355 Comment
  POM38705  Gayophytum ramosissimum R. M. Austin 1895-07 468 Modoc Goose Lake Valley. Comment
  UC20275  Gayophytum ramosissimum Mrs. R. M. Austin June, 1894 Modoc Willow Creek Valley Comment
  UC405416  Gentiana affinis var. ovata Mrs. R. M. Austin Aug., 1894 96 Modoc headwaters Lassen Creek Comment
  RSA0029457  Geranium oreganum R. Weatherby 1955-7-8 1620 Modoc 6 miles north of Ft. Bidwell, Warner Mts. 1784 Comment
  CAS-BOT-BC180064  Geranium viscosissimum Alice Eastwood; John Thomas Howell 1940-6-13 8121 Modoc Near Davis Creek. Comment
  CAS-BOT-BC180066  Geranium viscosissimum Alice Eastwood; John Thomas Howell 1940-6-13 8121 Modoc Near Davis Creek. Comment
  CAS-BOT-BC180080  Geranium viscosissimum Annie Montague Alexander; L. Kellogg 1946-6-12 4726 Modoc 1 mi. E of Lake City. 1414 Comment
  CAS-BOT-BC180069  Geranium viscosissimum Elmer Ivan Applegate 1897-6-4 864 Modoc Summit of pass between Pit River and Madeline Plain. Comment
  RSA0029586  Geranium viscosissimum var. nervosum Verne Grant, Irving Schneider 1947-7-22 8145 Modoc North Fork of Pit River on Highway 395. About 1 mile north of junction with Cedarville Road. Comment
  CAS-BOT-BC214654  Geum macrophyllum Elmer Ivan Applegate 1932-8-2 8094 Modoc Mill Creek Meadows, W slope of Warner Mts. 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
  JEPS44853  Geum triflorum Milo S. Baker Jun 18 1893-Jul 16 1893 Modoc Forestdale Comment
  POM140053  Geum triflorum var. ciliatum Milo S. Baker 1893-1 s.n. Modoc Forestdale 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
  CAS-BOT-BC190665  Gilia sinistra subsp. sinistra Alice Eastwood; John Thomas Howell 1940-6-15 8290 Modoc 9 mi. N of Lookout. Comment
  CAS-BOT-BC95146  Githopsis specularioides Bruce Bartholomew 1995-6-1 6920 Modoc Between Day and Day Rock SW slope of the Whitehorse Mountains. 1260 Comment
  CHSC106193  Glyceria borealis Lowell Ahart; John Dittes 2010-8-31 17121 Modoc About 5 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
  CAS-BOT-BC247693  Glyceria elata Bruce Bartholomew 1989-8-11 5090 Modoc Vicinity of Patterson Ranger Station, S end of Warner Mountains. 2160 Comment
  HSC10062  Glyceria elata M. T. Milligan 1966-7-1 518 Modoc Slopes and ridges E of Jess Valley 1768 Comment
  CAS-BOT-BC49570  Glyptopleura marginata Bruce Bartholomew; B. Anderson 1989-6-2 4834 Modoc 6.4 km E of Eagleville on the road to the Calif. state border, E side of Surprise Valley. 1550 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-BC229892  Gratiola neglecta John Thomas Howell 1934-6-15 12201 Modoc Dorris Reservoir, 2 mi. E of Alturas. Comment
  UC1191882  Gratiola neglecta Malcolm A. Nobs and S. Galen Smith 1949-7-22 1067 Modoc dry canals at South Fork of Pit River Likely; dry canals at South Fork of Pit River Comment
  UC1191894  Gratiola neglecta Herbert L. Mason and Verne Grant 1947-7-11 13374 Modoc along Highway #395 s Alturas (near w side of road); South Fork of Pitt River Comment
  SD46112  Gratiola neglecta Verne E. Grant, Irving Schneider 1947-7-20 8094 Modoc margin of irrigation ditch, south loop of Westside Road, Pitt Valley, north of Likely Comment
  RSA520366  Grayia spinosa Bruce Bartholomew, B. Anderson 1989-4-29 4682 Modoc 9-11 km E of Fort Bidwell on road to Fee Reservoir, NE corner of Surprise Valley. 457 Comment
  CAS-BOT-BC49545  Grindelia hirsutula F. Angwin 1945-10-7 s.n. Modoc Adin. 1371 Comment
  SEINET3146837  Grindelia hirsutula M. S. Baker sn Modoc Forest Dale Comment
  POM41632  Grindelia nana Mrs. R. M. Austin 1895-07 572 Modoc Goose Lake Valley. Comment
  UC1523803  Hackelia californica Lisa Janio 1981-7-13 55 Modoc near Bear Spring 1524 Comment
  RSA164369  Hackelia cusickii Clare B. Hardham 1961-6-18 7546 + Modoc 3 miles east of Cedar Pass. 1829 Comment
  CAS-BOT-BC54058  Hackelia micrantha Elmer Ivan Applegate 1932-7-9 7590 Modoc Bidwell Mountain, Warner Mountains Comment
  HSC80930  Hackelia micrantha G. M. Riegel 1979-7-3 454 Modoc S Warner Mtns. 1670 Comment
  UC1555786  Heliotropium europaeum Gary Schoolcraft 1987-9-9 1777 Modoc along Ash Valley Rd. ca. 1/2 mi. e Adin 1280 Comment
  UC1597521  Hemizonella minima Mrs. R. M. Austin Modoc Comment
  CAS-BOT-BC21464  Heracleum lanatum Bruce Bartholomew; Barrett Anderson 1990-7-20 5542 Modoc Buck Creek between Del Pratt Spring and Howard Flat, W side of Warner Mts. 1990 Comment
  CAS-BOT-BC21469  Heracleum lanatum Roxana Stinchfield Ferris; R. Duthie 1919-6-15 163 Modoc Parker Creek at Modoc National Forest boundary. Comment
  UC1191960  Heracleum lanatum Verne Grant and Irving Schneider 1947-7-21 8130 Modoc n. Alturas (N. Fork Pit R., by bridge on Hwy. 395); N. Fork Pit R. Comment
  JEPS1687  Hesperochiron californicus L. S. Smith c. 1918 789 1/2 Modoc Warner Mts., Jess Valley 1981 Comment
  RSA794857  Hesperochiron californicus George Willet 1935-6-13 s.n. Modoc 4 miles east of Likely 1524 Comment
  UC26093  Hesperochiron californicus Mrs. R. M. Austin June 1894 Modoc lava beds w. Goose Lake Comment
  CAS-BOT-BC179182  Hesperolinon micranthum B. Bartholomew; Barrett Anderson 1988-6-23 4224 Modoc 2.1 km SSE of Day on the road to State Highway 299. 1020 Comment
  SD51762  Hesperolinon micranthum Helen K. Sharsmith 1955-6-25 4506 Modoc Modoc National Forest, Warner Mountains. North slope of Jess Valley. 1584 Comment
  CAS-BOT-BC49506  Heterotheca villosa var. hispida Bruce Bartholomew 1991-7-6 5980 Modoc Lava beds at W side of Egg Lake. 1300 Comment
  CAS-BOT-BC225790  Heuchera cylindrica Annie Montague Alexander; L. Kellogg 1946-7-29 5089 Modoc Head of Eagle Creek, Warner Mts. Comment
  CAS-BOT-BC225798  Heuchera cylindrica Bruce Bartholomew; Barrett Anderson 1990-7-20 5493 Modoc 10.3 km N of Buck Creek Ranger Station, crest of Warner Mountains W side of Warner Mts. 2130 Comment
  SEINET195696  Heuchera cylindrica Annie M. Alexander, L Kellogg 1946-7-3 4902 Modoc Bidwell Creek Canyon 3.5 mi W of Fort Bidwell Comment
  RSA0062919  Heuchera cylindrica var. alpina Elmer I. Applegate 1932-8-3 8124 Modoc Arid summit of Warner Mtns, north of Eagle Peak. Comment
  UC748230  Heuchera cylindrica var. ovalifolia Annie M. Alexander and Louise Kellogg 1946-7-23 5042 Modoc e slope Emerson Peak; Warner Mountains Comment
  JEPS27160  Heuchera cylindrica var. ovalifolia Lauramay T. Dempster 1961-6-19 1702 Modoc headwaters of the South Fork of Davis Creek (e of Davis Creek (town)) 2286 Comment
  UC566692  Hieracium albiflorum F. H. Frost 1925-7-24 137 Modoc Jess Valley Warner Mountains Comment
  CAS-BOT-BC49484  Hieracium scouleri Elmer Ivan Applegate 1932-7-31 7957 Modoc Mill Creek Meadow, Warner Mountains Comment
  CAS-BOT-BC49520  Hieracium scouleri Alice Eastwood; John Thomas Howell 1940-6-12 8063 Modoc Betwen Likely and Jess Valley. Comment
  JEPS36590  Hieracium scouleri L. S. Smith 1918-7-22 1004 Modoc Blue Lake Modoc Forest, Blue Lake 1828 Comment
  UC485533  Hieracium scouleri M. F. Gilman 518 Modoc mts 1676 Comment
  RSA0016759  Hippuris vulgaris Louis C. Wheeler 1935-9-5 3957 Modoc Tuttle Place, west side Goose Lake 1463 Comment
  UC1191966  Hippuris vulgaris Verne Grant and Irving Schneider 1947-7-18 8058 Modoc s. Alturas (s. loop of eastside rd. in Pit R. Valley); Pit R. Valley Comment
  CAS-BOT-BC214685  Holodiscus microphyllus var. glabrescens Elmer Ivan Applegate 1932-8-5 8181 Modoc Cedar Moutain, Warner Mts. Comment
  CAS-BOT-BC497301  Holosteum umbellatum B. Bartholomew 1994-7-2 678 1 Modoc 5.0 km SE of Joseph Creek Basin on the W side of the Warner Mountains 1930 Comment
  RSA584728  Holosteum umbellatum Bruce Bartholomew, M. Gilbert, L. Skog 1993-5-12 6519 Modoc Ca. 1 km W of Aden on road to Lookout. 1280 Comment
  NY446368  Holosteum umbellatum G. Schoolcraft 1981-5-6 376 Modoc North of Alturas 1463.0 Comment
  SJSU2089  Hordeum brachyantherum J. W. Tilden 1958-6-26 1275 Modoc Near Cedar Pass between Alturas & Cedarville. Annotation by C.W. Sharsmith, 1961: ""Warner Mts.; coll on west side Cedar Pass at alt. c. 6000ft. fide J.W. Tilden"" 1828 Comment
  CAS-BOT-BC247682  Hordeum brachyantherum subsp. brachyantherum Leland S. Smith 1924-5-31 s.n. Modoc Egg Lake Ranch near S end. Comment
  CAS-BOT-BC247687  Hordeum brachyantherum subsp. brachyantherum Bruce Bartholomew; Barrett Anderson 1988-7-21 4469 Modoc Vicinity of Patterson Campground, southern end of the Warner Mts. 2190 Comment
  HSC80844  Hordeum brachyantherum subsp. californicum G. M. Riegel 1980-8-5 987 Modoc S Warner Mtns. 2100 Comment
  UC1024921  Hordeum jubatum Leo Whitney 1938-6-29 3358 Modoc Alturas Comment
  UCD14404  Hordeum jubatum 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
  UCD85688  Hordeum jubatum subsp. intermedium Beecher Crampton 1954-7-7 2160 Modoc 2.5 miles east of Alturas. Near Radio Station KCNO. Comment
  UCR136427  Hordeum jubatum var. caespitosum Beecher Crampton 1954-7-7 2160 Modoc Modoc Plateau, 2.5 miles east of Alturas, near radio station KCNO 1341 Comment
  UC1024966  Hordeum marinum subsp. gussoneanum Leo Whitney 1935-7-6 3442 Modoc Pit River Lookout; Pit River Comment
  POM34909  Horkelia fusca subsp. capitata R. M. Austin 1895-07 s.n. Modoc Willow Creek (Devils Garden) Comment
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Jul 11 2010
  CAS-BOT-BC214716  Horkelia tridentata Bruce Bartholomew; Barrett Anderson 1989-6-3 4901 Modoc ca. 8 km WNW of Long Bell Ranger Station. 1350 Comment
  CAS-BOT-BC179329  Hydrophyllum capitatum var. alpinum M. M. Hanna 1956-6-5 963 Modoc Cedar Pass Camp ground. Comment
  CAS-BOT-BC179331  Hydrophyllum capitatum var. alpinum Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16407 Modoc Cedar Pass Campground, 3 mi. E of Thoms Creek bridge. Comment
  CAS-BOT-BC180025  Hydrophyllum capitatum var. alpinum Bruce Bartholomew; M; M. Gilbert; L. E. Skog 1993-5-10 6433 Modoc 5 km NE of Davis Creek on road to Plum Valley Campground. 1700 Comment
  HSC13546  Hydrophyllum capitatum var. alpinum M. T. Milligan 1966-5-14 611 Modoc E slope of eroded volcanic plateau 1677 Comment
  UC748321  Hydrophyllum capitatum var. alpinum Annie M. Alexander and Louise Kellogg 1946-6-5 4661 Modoc s of Eagleville (Emerson Camp, Emerson Creek); Warner Mountains, Emerson Creek 2133 Comment
  CAS-BOT-BC179326  Hydrophyllum capitatum var. alpinum Lindsay Stuart Smith; E. H. Steffen 1917-5-21 3 Modoc West Valley camp. 1524 Comment
  RSA59652  Hydrophyllum capitatum var. alpinum E. K. Balls 1950-5-12 14638 Modoc Above Bucks Creek Ranger Station, Modoc National Forest, E of Goose Lake. 1738 Comment
  CAS-BOT-BC179898  Hypericum anagalloides Bruce Bartholomew; Barrett Anderson 1990-7-20 5537 Modoc Buck Creek between Del Pratt Spring and Howard Flat, W side of Warner Mts. 1990 Comment
  HSC81091  Hypericum anagalloides G. M. Riegel 1980-8-7 10005 Modoc S Warner Mtns. 2100 Comment
  CAS-BOT-BC58445  Idahoa scapigera Bruce Bartholomew; Barrett Anderson 1988-5-14 4201 Modoc Pease Cabin, 0.8 km E of Fletcher Creek on USFS road 47N09 between Goose Lake and Crowder Flats. 1550 Comment
  POM143736  Idahoa scapigera Mrs. R. M. Austin 1894-05 s.n. Modoc Goose Lake Valley. 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
  UC1561017  Iliamna bakeri Dean W. Taylor 1988-8-11 10044 Modoc in summit crater of Damon's Butte (ca 2 mi w of Hwy 139); Modoc Plateau, Hackamore 15' Quadrangle 1466 Comment
  CAS-BOT-BC15177  Ionactis alpina K. Paulson; Robert Paulson 1989-5-21 123 Modoc 2.5 mi. SW of Boles Creek on County Road 136. 1438 Comment
  UCD133486  Ionactis alpina C. N. Saulisberry 1964-7-1 s.n. Modoc eastern Modoc County. Comment
  UC23332  Ipomopsis aggregata Milo S. Baker 1893-7-12 Modoc 1371 Comment
  CAS-BOT-BC190642  Ipomopsis congesta subsp. palmifrons Francis Marion Ownbey; Frederick Gustav Meyer 1940-7-1 2133 Modoc Cedar Pass, Warner Mts. Comment
  CAS-BOT-BC245096  Iris missouriensis Bruce Bartholomew; Barrett Anderson 1989-6-1 4759 Modoc ca. 0.5 km W of Davis Creek on road to S end of Goose Lake. 1460 Comment
  CAS-BOT-BC245099  Iris missouriensis E. S. Willits 1940-5-18 275 Modoc Willow Ranch. Comment
  RSA181819  Iris missouriensis H. N. Metcalf, Jack C. Wilson 1965-7-1 65 -19 Modoc Davis Creek Comment
  CDA3766  Isatis tinctoria T. C. Fuller 1963-7-16 10913 Modoc East side of Fandango Pass Road, 1.8 miles southeast of Highway 395 to Willow Ranch. 0 Comment
  UC1587049  Isatis tinctoria G. Schoolcraft 1991-6-19 2169 Modoc about 2.5 mi n of Adin (along Highway) 1295 Comment
  CAS-BOT-BC58406  Isatis tinctoria Margaret J. Williams 1984-6-29 84- 73 -1 Modoc Fandango Pass road, 0.8 mi. E of Hwy 395. 1463 Comment
  CAS-BOT-BC30188  Isoetes bolanderi Annie Montague Alexander; L. Kellogg 1948-9-21 5624 Modoc 1 mi. SW top of grade between New Pine Creek and Fort Bidwell. 2286 Comment
  RSA639341  Isoetes bolanderi L. C. Wheeler 1935-8-14 3857 Modoc Cave Lake, Pine Creek, Warner Mtns. (Mt Diablo Mer.) 2073 Comment
  RSA639347  Isoetes howellii L. C. Wheeler 1935-8-5 3785 Modoc Brandy, E fork Bidwell Creek. (Mt Diablo mer.) 2409 Comment
  CHSC106337  Iva axillaris subsp. robustior Lowell Ahart; John Dittes 2010-8-30 17085 Modoc About 20 yards north 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
  NY833728  Ivesia baileyi var. beneolens D. W. Taylor 1990-6-25 11164 Modoc Cedar Pass, growing on nearly vertical cliffs of volcanic breccia, northerly slopes of Peak 7298 2149 Comment
  CAS-BOT-BC214719  Ivesia gordonii Bruce Bartholomew 1990-8-4 5643 Modoc Top of pass on Summit Trail, ca. 0.5 km SE of Patterson Lake, E side of Warner Mts. 2800 Comment
  CAS-BOT-BC214724  Ivesia gordonii Elmer Ivan Applegate 1932-8-1 8049 Modoc W slope of Warner Mts. near summit just S of Warren Peak. Comment
  NY833802  Ivesia gordonii B. M. Bartholomew 1990-8-4 5643 Modoc Top of pass on Summit Trail, ca. 0.5 km southeast of Patterson Lake, east side of Warner Mountains 2800 Comment
  NY833803  Ivesia gordonii B. M. Bartholomew 1991-8-5 6072 Modoc Summit Trail, northwest side of Squaw Peak, west side of Warner Mountains 2480 Comment
  HSC18689  Ivesia gordonii var. ursinorum M. T. Milligan 1965-7-10 431 Modoc W slopes of Eagle Peak 2591 Comment
  CAS-BOT-BC10595  Juncus brachyphyllus John Thomas Howell 1934-7-3 12373 Modoc 5 mi. S of Hackamore. Comment
  CAS-BOT-BC245073  Juncus bufonius Roxana Stinchfield Ferris; L. Lorraine 1941-8-14 10603 Modoc 8.5 mi. from Patterson Ranger Station on Eagleville road. Comment
  CHSC112774  Juncus bufonius var. congestus Lowell Ahart; John Dittes 2013-7-24 18929 Modoc Edge of a man made pond, about 50 yards south of the levee road, north side of Ash Creek Floodplain, 0.54 mile (air) southeast of Pilot Butte Parking Area, 1.1 miles (air) south of County Road 87, 6.8 miles (air) west of Adin, Big Valley. 1263 Comment
  JEPS119967  Juncus ensifolius Lowell Ahart, John Dittes 2012-7-12 18369 Modoc About 1/8 mile east of the parking area on the east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. Comment
  UC70022  Juncus ensifolius Mrs. M. H. Manning Aug 1903 444 Modoc ne Modoc County Comment
  CAS-BOT-BC245051  Juncus hemiendytus var. hemiendytus Bruce Bartholomew 1991-7-4 5906 Modoc Roney Flat. 1460 Comment
  UC70010  Juncus longistylis Mrs. M. H. Manning August 1904 441 Modoc ne Modoc County Comment
  CAS-BOT-BC245044  Juncus nevadensis Bruce Bartholomew; Barrett Anderson 1988-7-23 4584 Modoc Vicinity of Blue Bell Mine between Lily Lake and Dismal Swamp, Warner Mts.. 2170 Comment
  CHSC30638  Juncus nevadensis N. E. H. Prouty 1980-7-1 193 Modoc Modoc Nat. Forest. Bear Flat T.S. Along drainage running south from Bear Flat Pond into Soup Creek. 1798 Comment
  RSA30797  Juncus nevadensis C. L. Hitchcock 1940-5-27 6715 Modoc 15 miles NE of Alturas. Comment
  JEPS114907  Juncus orthophyllus Lowell Ahart, John Dittes 2008-8-26 15351 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
  UC1560398  Juncus orthophyllus E. Joyal and D. Mehlman 1988-6-28 1289 Modoc e of New Pine Creek, Oregon (Pine Creek, n Warner Mts.); Warner Mts., Pine Creek Comment
  UCR67433A  Juncus saximontanus George K. Helmkamp 1990-9-23 J- 12 Modoc Warner Mtns, Goose Lake, within 0.1 mi of the Oregon border 1476 Comment
  SDSU1822  Juniperus californica L. N. Harvey 1930-9-24 Modoc Comment
  CAS-BOT-BC81194  Juniperus occidentalis Elmer I. Applegate 1929-7-29 6083 Modoc Clear Lake Comment
  SEINET10612939  Juniperus occidentalis Leila M. Shultz, John S. Shultz 1985-6-23 Shultz 8587 Modoc Lava Beds National Monument, approximately 20 miles south of Tulelake; western extension of the Great Basin in California. 1320 Comment
  CHSC99963  Juniperus occidentalis var. occidentalis Lowell Ahart; John Dittes 2008-8-26 15358 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
  POM337227  Juniperus occidentalis var. occidentalis F. R. Fosberg 1957-8-18 38855 Modoc Upper Rush Creek Camp Ground, northeast of Adin. 1600 Comment
  SEINET5512259  Juniperus occidentalis var. occidentalis J. C. Beatley 1964-1 Modoc Tule Lake area 1829 Comment
  CAS-BOT-BC225097  Kelloggia galioides Robert Patterson; Mona Bourell 1993-8-15 5264 Modoc Warner Mountains. Along trail from Patterson Lake to ca. 2 mi north towards Pepperdine Trailhead. 2743 Comment
  CAS-BOT-BC248321  Kelloggia galioides B. Bartholomew; H. Sun 2002-6-24 8865 Modoc Fandango Pass on the E side of the Warner Mountains near the crest of the mountains 1820 Comment
  RSA612598  Kelloggia galioides Louis C. Wheeler 1935-8-14 3836 Modoc Pine Creek. Warner Mtns. 2012 Comment
  UC71750  Kelloggia galioides Mrs. M. H. Manning 1903-8-22 301 Modoc ne slope Fandango (ne Modoc County); Warner Mts. 1981 Comment
  CAS-BOT-BC247643  Koeleria macrantha R. M. Austin 1895-7-1 494 Modoc Goose Lake Valley. Comment
  CAS-BOT-BC247676  Koeleria macrantha John H. Hatton 1911-6-22 168 Modoc unspecified 1524 Comment
  UC1024946  Koeleria macrantha Leo Whitney 1935-7-2 3326 Modoc ca 17 mi nw Canby; Badger Wells Comment
  UCD85811  Koeleria macrantha J. C. Hays 1940-7-2 s.n. Modoc Modoc County. No location given. Comment
  UCD86015  Koeleria macrantha E. Wilson 1934-5-15 s.n. Modoc 20 miles from Alturas. Comment
  JEPS117280  Lactuca serriola Lowell Ahart, John Dittes 2010-8-30 17073 Modoc About 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 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley 1267 Comment
  UCD133498  Lactuca tatarica subsp. pulchella T. C. Fuller 1959-7-8 2029 Modoc Davis Creek. Comment
  UC33034  Lactuca tatarica subsp. pulchella Milo S. Baker 1893-6-1 Modoc Comment
  CHSC112833  Lagophylla ramosissima Lowell Ahart; John Dittes 2013-7-25 18946 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
  JEPS117165  Lagophylla ramosissima Lowell Ahart, John Dittes 2010-8-30 17065 Modoc About 15 yards west of the fence, south edge of the meadow, Ash Creek State Wildlife Area, 2,300 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley 1267 Comment
  UCR57487  Lagophylla ramosissima R. D. Goeden, Don W. Ricker 1989-8-23 890823- 16 Modoc Warner Mtns., Modoc National Forest, Fandango Pass Road, in vicinity of Warner Mtn. 1607 Comment
  SEINET8258712  Lagophylla ramosissima Richard R. Halse 2006-8-3 6989 Modoc Along Jess Valley Road ca. 4 miles east of Likely, just past bridge over the Pit River. 1387 Comment
  UC89214  Lagophylla ramosissima Mrs. R. M. Austin 1894-7-1 Modoc Davis Creek Comment
  CAS-BOT-BC49451  Lagophylla ramosissima subsp. ramosissima John Thomas Howell 1934-6-11 11939 Modoc Parker Creek, Warner Mountains 1584 Comment
  CHSC107339  Lamium amplexicaule Lowell Ahart; John Dittes 2011-6-21 17523 Modoc About 100 yards west of the fence, south edge of the meadow, Ash Creek State Wildlife Area, about 2,300 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  RSA59531  Lamium amplexicaule E. K. Balls 1950-5-20 14808 Modoc 2 mi. E. of South Fork Public Camp, along South Fork Pit River to Jess Valley. 1463 Comment
  CAS-BOT-BC54069  Lappula redowskii Leland S. Smith 1922-10-22 1337 Modoc Below rim E side Tule Lake. 1341 Comment
  UC78790  Lappula redowskii Mrs. R. M. Austin 1894-1 Modoc Willow Creek Valley Comment
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Jul 6 2010
  RSA534600  Lasthenia glaberrima Bruce Bartholomew, B. Anderson 1990-7-19 5408 Modoc Turner Creek at County Road 90, N end of Big Valley. 6.4 km N of Lassen County border 1230 Comment
  SEINET7716748  Lathyrus albus Unknown Modoc Adobe Flats Comment
  CAS-BOT-BC181978  Lathyrus brownii Roxana Stinchfield Ferris; R. Duthie 1919-6-14 79 Modoc Near Parker Creek. 1981 Comment
  HSC28509  Lathyrus brownii D. H. Norris, S. Dowty, Thomas W. Nelson 1971-6-23 19472 Modoc Upper Rush Creek Campground, about 8 mi. N of Adin on Hwy. 299 Comment
  JEPS64864  Lathyrus brownii N. Mirov 1929-6-16 Modoc Warner Mts. 1615 Comment
  NY716676  Lathyrus lanszwertii var. lanszwertii R. J. Weatherby 1955-7-8 1621 Modoc 6 miles north of Ft. Bidwell, northern Warner Mountains 1783 Comment
  JEPS55340  Lathyrus lanszwertii var. lanszwertii M. F. Gilman c. 1918 544 Modoc Comment
  CAS-BOT-BC181970  Lathyrus rigidus E. S. Willits 1940-5-4 208 Modoc Willow Ranch. Comment
  UC931202  Lathyrus rigidus C. L. Hitchcock 1950-5-27 19225 Modoc ca 20 mi n Alturas Comment
  CAS-BOT-BC49460  Layia glandulosa Leland S. Smith 1920-7-21 1105 Modoc Mill Creek. 2133 Comment
  JEPS5972  Layia glandulosa Frances D. Payne 1932-6-19 550 Modoc Comment
  UC30617  Layia glandulosa Mrs. C. C. Bruce 1898-6-1 2172 Modoc near Alturas Comment
  JEPS408  Lemna trisulca W. L. Jepson 1918-8-10 7929 Modoc Alturas 1371 Comment
  POM228875  Lemna trisulca L. C. Wheeler 1935-10-2 4015 Modoc Alturas, 2 miles south 1357 Comment
  UCR143034  Lemna trisulca L. C. Wheeler 1935-10-2 4015 Modoc 2 mi south of Alturas 1357 Comment
  UC1101289  Lemna turionifera Verne Grant, Irving Schneider 1947-7-19 8064 Modoc Corporation Ranch s of Alturas (s of South Loop Road); Corporation Ranch Comment
  CAS-BOT-BC58667  Lepidium appelianum Bruce Bartholomew 1991-6-22 5851 Modoc E side of Surprise Valley, 8.3 km E of Eagleville. 1430 Comment
  JEPS53760  Lepidium densiflorum var. pubicarpum Milo S. Baker 1898-1 Modoc Forestdale Comment
  NY23161  Lepidium dictyotum var. dictyotum B. M. Bartholomew 1995-5-13 6904 Modoc East of Eagleville near Eagleville Airport, south end of Surprize Valley 1390 Comment
  JEPS114357  Lepidium lasiocarpum Lowell Ahart, John Dittes 2008-8-26 15332 Modoc On the sides of County Road 85a, 7.5 miles (air) north-northeast of Lookout 1303 Comment
  SEINET5341382  Lepidium latifolium M. J. Williams 1984-7-1 84- 89 -1 Modoc NW of Alturas, N of Hwy 299, Crowder Flat road. 1372 Comment
  CHSC85096  Lepidium perfoliatum John Dittes; Josephine Guardino 1991-6-1 347 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
  UC725918  Lepidium perfoliatum A. A. Heller 1941-6-26 16218 Modoc e end Canby (along U.S. Highway 299) Comment
  CAS-BOT-BC190631  Leptodactylon pungens Alice Eastwood; John Thomas Howell 1940-6-12 8048 Modoc Between Likely and Jess Valley. Comment
  RSA503046  Leptosiphon nuttallii K. Paulson, R. Paulson 1988-7-9 70 Modoc Near Poison Lake, Warner Mountains 2134 Comment
  SJSU8682  Leptosiphon septentrionalis W. Savage 1979-7-5 1380 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  JEPS6665  Lesquerella occidentalis subsp. occidentalis Mrs. C. C. Bruce June 1898 2136 Modoc Lake City Mt. 1828 Comment
  UC10692  Lesquerella occidentalis subsp. occidentalis Mrs. C. C. Bruce June 1898 2136 Modoc Lake City Mt. Comment
  CAS-BOT-BC197456  Lewisia nevadensis Bruce Bartholomew 1994-7-2 6804 Modoc 5.5 km SE of Forest Service road 30 on road towards Bald Mountain, E side of the Warner Mts. 2230 Comment
  CAS-BOT-BC197459  Lewisia nevadensis Bruce Bartholomew 1994-7-3 6833 Modoc Edge of Dismal Swamp, N end of Warner Mountains. 2180 Comment
  UC1585400  Lewisia nevadensis R. Raiche and K. Zadnik 1989-7-5 90227 Modoc n Cedar Pass (Soldier Creek drainage); Warner Mts., Cedar Mt. Area 1985 Comment
  UC748125  Lewisia pygmaea Annie M. Alexander and Louise Kellogg 1946-6-8 4698 Modoc road from Eagleville to Patterson Mill 2286 Comment
  CAS-BOT-BC197491  Lewisia rediviva Elmer Ivan Applegate 1932-7-9 7606 Modoc Summit of Bidwell Mountain, Warner Mts. Comment
  CAS-BOT-BC247635  Leymus cinereus Bruce Bartholomew 1991-6-22 5839 Modoc Surprise Valley, 5.6 km E of Eagleville. 1370 Comment
  SEINET190941  Leymus cinereus A. A. Beetle 1941-6-29 2841 Modoc 15 miles east of Alturas on road to Cedarville Pass 1372 Comment
  JEPS73998  Leymus triticoides Frances D. Payne 1932-7-18 706 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  CAS-BOT-BC21458  Ligusticum grayi Bruce Bartholomew; Barrett Anderson 1990-7-20 5509 Modoc Tamarack Flat, E side of Warner Mts. 2150 Comment
  UC1100168  Lilaea scilloides Herbert L. Mason and Verne Grant 1947-7-11 13375 Modoc s of Alturas (w side of road); South Fork of Pit River Comment
  POM109710  Lilium humboldtii subsp. humboldtii Mrs. R. M. Austin 1895-06 s.n. Modoc Hills Comment
  CAS-BOT-BC242073  Lilium pardalinum subsp. shastense Bruce Bartholomew 1989-7-14 4933 Modoc Along Rush Creek between Lower and Upper Rush Creek Campgrounds. 1580 Comment
  CAS-BOT-BC238353  Limosella aquatica John Thomas Howell 1934-6-13 12092 Modoc 2 1/2 miles s. of Eagleville Comment
  POM229194  Limosella aquatica Louis C. Wheeler 1935-9-1 3934 Modoc Pine Spring, Devil's Garden. 1524 Comment
  UCR131614  Limosella aquatica L. C. Wheeler 1935-8-14 3856 Modoc Warner Mtns., Cave Lake, Pine Creek 2073 Comment
  CAS-BOT-BC190629  Linanthus bolanderi Bruce Bartholomew; Mona Bourell 1990-4-26 5155 Modoc 0.5 km S of Day. 1100 Comment
  CAS-BOT-BC198033  Linanthus harknessii Alice Eastwood; John Thomas Howell 1940-6-14 8222 Modoc 8 mi. NW of Canby. Comment
  CAS-BOT-BC198045  Linanthus harknessii Bruce Bartholomew 1991-7-5 5929 Modoc Vicinity of Cow Head Spring between Dorris Bothers Reservoir and Cow Head Tank. 1510 Comment
  NY1012637  Linanthus harknessii A. J. Cronquist 1959-6-20 8527 Modoc Cedarville Pass; Warner Mountains between Cedarville and Alturas 1920.2 Comment
  UC2043247  Linaria dalmatica Barbara Ertter 1995-7-1 14458 Modoc Highway 395 south of New Pine Creek on Oregon border, at junction of County Road 44. Comment
  NY1002277  Linum lewisii C. L. Hitchcock 1940-5-27 6709 Modoc 15 miles northeast of Alturas 1676 Comment
  UC114984  Lithophragma glabrum Mrs. R. M. Austin May 1884 88 Modoc Goose Lake Valley Comment
  UCR87509  Lithophragma parviflorum George K. Helmkamp, E. A. Helmkamp 1993-5-4 s.n. Modoc 16.1 miles NW of Canby along Calif. Hwy 139 1280 Comment
  CAS-BOT-BC225835  Lithophragma tenellum Bruce Bartholomew 1992-5-15 6304 Modoc Tamarack Flat, E side of the Warner Mountains. 2160 Comment
  CAS-BOT-BC225843  Lithophragma tenellum Francis Dorris Payne 1932-6-10 527 Modoc Parker Creek. 1584 Comment
  JEPS5956  Lithophragma tenellum Frances D. Payne 1932-7-1 660 Modoc 2 mi sw Mt. Warren (Pine Creek Basin, se Modoc County); Warner Mts., Pine Creek Basin, sw of Mt. Warren 2133 Comment
  UC24902  Lithospermum ruderale C. C. Bruce June 1898 2197 Modoc Goose Lake Valley Comment
  CAS-BOT-BC54036  Lithospermum ruderale Leland S. Smith 1917-5-31 22 Modoc West Valley. 1371 Comment
  CHSC85186  Lomatium bicolor John Dittes; Josephine Guardino 1991-6-1 380 Modoc Modoc Plateau; Big Valley; Ash Creek Wildlife Area; ca. 5.7 air-miles northeast of Bieber, ca. 7.6 air-miles west of Adin, ca. 1.5 air-mile southeast of Pilot Butte summit; meadow at northern edge of Ash Creek Floodplain (Big Swamp) at southeast base of Pilot Butte. 1258 Comment
  CAS-BOT-BC21436  Lomatium bicolor var. leptocarpum Bruce Bartholomew 1995-6-4 6964 Modoc Round Valley 1.8 km S of State Hwy 299 on County road 86. 1280 Comment
  CAS-BOT-BC21448  Lomatium bicolor var. leptocarpum Francis Dorris Payne 1932-6-10 628 Modoc Parker Creek. 1584 Comment
  UC1508605  Lomatium bicolor var. leptocarpum Arnold Tiehm 1984-6-30 8838 Modoc n.w. side Bidwell Mt. (2.2 rd. mi. n. of 8 mile creek on rd. from Lake Annie) 1844 Comment
  UC1587086  Lomatium bicolor var. leptocarpum G. Schoolcraft 1991-6-18 2165 Modoc ca. 4 mi. n.e. Adin (w. of Hwy. 299) 1304 Comment
  RSA324612  Lomatium bicolor var. leptocarpum A. Tiehm 1984-7-30 8827 Modoc Modoc County: 8.9 road miles NE of Ft. Bidwell on the main road to Adel, just past the road summit. 1616 Comment
  RSA334870  Lomatium bicolor var. leptocarpum A. Tiehm 1984-7-30 8827 Modoc Modoc County: 8.9 road miles NE of Ft. Bidwell on the main road to Adel, just past the road summit. 1616 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
  NY1141602  Lomatium gormanii H. D. D. Ripley 1944-6-1 6000 Modoc Cedar Pass, Warner Mountains 1920 Comment
  CAS-BOT-BC497468  Lomatium hallii Margaret J. Williams 1988-5-30 88- 26 -1 Modoc Jess Valley, E of Likely, S of roadside rest. 1524 Comment
  CAS-BOT-BC30140  Lomatium macrocarpum Leland S. Smith 1919-5-9 1097 Modoc Jess Valley Ridge. 1706 Comment
  HSC69597  Lomatium macrocarpum Gary Schoolcraft 1980-4-29 217 Modoc Near intersection of Hwy. 299 and 395, N of Alturas 1494 Comment
  HSC42214  Lomatium nevadense S. Saufferer 1973-5-5 132 Modoc About 7 1/2 mi. S of Pine Creek along Hwy. 395 Comment
  SJSU13899  Lomatium nevadense N. A. Hopkins 1985-5-13 1270 Modoc by Hwy 395 c. 30 mi S of Alturas Comment
  UC21226  Lomatium nevadense var. nevadense Mrs. R. M. Austin and Bruce June 1898 2373 Modoc Goose Lake Comment
  CAS-BOT-BC30150  Lomatium nevadense var. nevadense Elmer Ivan Applegate 1937-5-13 11085 Modoc N end of Devils Homestead, Lava Beds National Monument. Comment
  SEINET203038  Lomatium nevadense var. nevadense Lincoln Constance, Emil DiFulvio 1962-4-16 3749 Modoc Open slope 3.2 miles N of Likely Comment
  HSC28826  Lomatium nevadense var. parishii D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19505 Modoc Big Valley Summit, 6 mi. W of Adin on Hwy. 299 Comment
  CAS-BOT-BC15766  Lomatium nudicaule Bruce Bartholomew; Barrett Anderson 1988-6-23 4292 Modoc S side of Egg Lake, ca. 1.5 km W of the Burlington Northern railroad track. 1300 Comment
  CAS-BOT-BC15728  Lomatium piperi Leland S. Smith 1920-7-14 1196 Modoc Grizzleys, Long Meadows 1402 Comment
  UC1608979 Image available Lomatium ravenii B. Bartholomew with M. Gilbert and L. Skog 1993-5-10 6453 Modoc At the Nevada border directly E of Eagleville; Surprise Valley 1520 Comment
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Oct 26 2017
  CHSC66983  Lomatium triternatum var. macrocarpum James D. Jokerst 1987-5-11 2833 Modoc Radar Survey Site S of Doublehead Mtn., S of Clear Lake Reservoir, dry lake W and adjacent to n end of central sector. 1353 Comment
  CAS-BOT-BC21413  Lomatium triternatum var. triternatum K. Paulson; Robert Paulson 1989-5-8 105 Modoc Howard's Gulch, along Hwy 139. 1371 Comment
  CAS-BOT-BC21397  Lomatium vaginatum Mrs. H. C. Cantelow 1940-5-31 s.n. Modoc 3 mi. E of Canby. Comment
  CAS-BOT-BC21401  Lomatium vaginatum Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-13 16473 Modoc Roadside 2.4 mi. S of Davis Creek. Comment
  POM78253  Lomatium vaginatum Mrs. R. M. Austin 1895-05 27 Modoc Goose Lake Valley Comment
  CDA38459  Lomatium vaginatum Virginia Kelly 1983-6-21 s.n. Modoc Alturas. 0 Comment
  UC1187699  Lomatium vaginatum Tracey and Viola Call 1961-5-30 2055 Modoc 16 mi N of Alturas Comment
  CAS-BOT-BC95174  Lonicera involucrata var. involucrata Elmer Ivan Applegate 1932-8-2 8097 Modoc Mill Creek Meadow, W slope Warner Mts. Comment
  CAS-BOT-BC181967  Lotus corniculatus Bruce Bartholomew 1989-8-10 5030 Modoc Little Hot Spring Valley, 3.2 km NW of Day. 1070 Comment
  UC526196  Lotus humistratus John Thomas Howell 1934-6-15 12204 Modoc 2 mi e Alturas; Dorris Reservoir Comment
  UC15726  Lotus oblongifolius var. oblongifolius Milo S. Baker 1893-6 Modoc Comment
  NY716009  Lotus purshianus B. M. Bartholomew 1988-7-22 4485 Modoc Vicinity of East Creek Trailhead, southern end of the Warner Mountains 2210 Comment
  RSA210839  Lotus unifoliolatus Robert F. Thorne, James Henrickson, C. W. Tilforth, K. Thorne 1969-9-4 39066 Modoc Near old margin of Goose Lake, SW shore of Goose Lake N of McGinty Point. 1433 Comment
  CAS-BOT-BC198272  Lupinus John Thomas Howell 1934-6-14 12120 Modoc Near Lost Lake, Warner Mts. 2438 Comment
  CAS-BOT-BC498665  Lupinus C. B. Wolf 1931-9-4 2398 Modoc At Canby 1325 Comment
  UC726971  Lupinus A. A. Heller 1941-6-25 16206 Modoc w side of the grade leading up to Cedar Pass; w side of the grade leading up to Cedar Pass Comment
  UC511321  Lupinus angustiflorus Lyman Benson 1930-7-18 2235 Modoc sw Alturas; Upper Pit, sw of Alturas 1219 Comment
  CAS-BOT-BC181908  Lupinus arbustus Mrs. H. C. Cantelow 1940-5-31 Modoc 8 miles South of Indian Springs Comment
  JEPS64957  Lupinus arbustus Leland S. Smith 1917-6-10 798 Modoc Jess Valley Warner Mts., Jess Valley 1524 Comment
  JEPS65302  Lupinus arbustus W. L. Jepson 1918-8-6 7841 Modoc Surprise Valley 1447 Comment
  CAS-BOT-BC181900  Lupinus arbustus John H. Hatton 1911-6-12 38 Modoc Modoc County. 1524 Comment
  RSA59729  Lupinus arbustus subsp. calcaratus E. K. Balls 1950-5-18 14742 Modoc 1.3 miles southwest of Canby Bridge on Highway 299. 1341 Comment
  RSA59734  Lupinus arbustus subsp. calcaratus E. K. Balls 1950-5-20 14798 Modoc 1.5 miles below Clear Lake, from Likely, South Fork Pitt River. 1677 Comment
  CAS-BOT-BC182178  Lupinus argenteus Alice Eastwood; John Thomas Howell 1940-6-14 8199 Modoc 6 mi. W of Alturas. Comment
  CAS-BOT-BC182195  Lupinus argenteus H. P. Bracelin 1931-6-30 500 Modoc S end of Alturas. 1524 Comment
  UC1191478  Lupinus argenteus Verne Grant, Irving Schneider 1947-8-27 8321 Modoc sw end Clear Lake; sw end of Clear Lake Comment
  UC727128  Lupinus argenteus A. A. Heller 1938-6-24 15222 Modoc between Alturas and Canby; between Alturas and Canby 1341 Comment
  SEINET3145124  Lupinus argenteus L. S. Rose 1940-6-14 40564 Modoc Kelly Hot Springs 1341 Comment
  NY733047  Lupinus argenteus var. argenteus N. F. Bracelin 1931-6-30 500 Modoc Alturas. Open field at south end of town 1524 Comment
  CAS-BOT-BC182084  Lupinus argenteus var. heteranthus Alice Eastwood; John Thomas Howell 1940-6-14 8234 Modoc Near Hackamore. Comment
  CAS-BOT-BC182100  Lupinus argenteus var. heteranthus Elmer Ivan Applegate 1929-6-25 5905 Modoc Willow Ranch, Goose Lake Valley. Comment
  CAS-BOT-BC182108  Lupinus argenteus var. heteranthus Elmer Ivan Applegate 1929-6-24 5895 Modoc Along road between Alturas and Davis Creek. Comment
  UC126948  Lupinus argenteus var. heteranthus Milo S. Baker 1893-6-18 Modoc Forestdale Comment
  UC1540230  Lupinus argenteus var. heteranthus Dean Wm. Taylor, Glenn L. Clifton 1987-6-27 9082 Modoc roadside of Highway 299, 1.6 mi e of center of town Cedarville; e of center of town of Cedarville 1402 Comment
  UC748290  Lupinus argenteus var. heteranthus Annie M. Alexander and Louise Kellogg 1946-6-12 4739 Modoc Fandango Pass road, W side 1706 Comment
  UCR102424  Lupinus argenteus var. palmeri G. R. Ballmer 1988-7-20 s.n. Modoc Warner Mountains, Horse Ridge, near NW corner of the South Warner Wilderness Game Refuge, SW of Cedarville 2134 Comment
  UCR102425  Lupinus argenteus var. palmeri G. R. Ballmer 1988-7-21 s.n. Modoc Warner Mtns., Warner Mountains, Bidwell Mountain, c. 3 mi. south of Oregon border in extreme NE corner of state Comment
  JEPS65347  Lupinus bicolor Leland S. Smith 1918-5-2 918 Modoc hills around Adin; Modoc National Forest, hills around Adin 1981 Comment
  UC15937  Lupinus bicolor Milo S. Baker 1893-8-1 Modoc Comment
  RSA26464  Lupinus caudatus Alice Eastwood, John T. Howell 1940-6-13 8137 Modoc West side of Fandango Pass. Comment
  SEINET6654725  Lupinus caudatus D. A. Charlet 1989-8-17 564 Modoc Warner Mountains; 1 km wouthwest of Dusenbery Peak, ridge.; 0 2771 Comment
  CAS-BOT-BC181882  Lupinus latifolius Bruce Bartholomew; Barrett Anderson 1989-6-1 4753 Modoc ca. 0.5 km W of Davis Creek on road to S end of Goose Lake. 1460 Comment
  CAS-BOT-BC181874  Lupinus lepidus var. lobbii Annie Montague Alexander; L. Kellogg 1946-8-9 5133 Modoc Patterson Lake Trail, Warner Mts. Comment
  CAS-BOT-BC181879  Lupinus lepidus var. lobbii Bruce Bartholomew 1992-8-8 6364 Modoc Summit Trail at pass on W ridge of Warren Peak, E side of Warner Mountains. 2870 Comment
  UCR35564  Lupinus lepidus var. lobbii J. A. Harpel 1981-8-7 V- 56 Modoc Warner Mtns, South Warner Wilderness Area: on the pass above Patterson Lake along the Summit trail, 7 mi NW of Eagleville 2774 Comment
  CAS-BOT-BC181861  Lupinus lepidus var. sellulus Mrs. H. C. Cantelow 1940-6-2 Modoc NW of Canby on road to Lava Bed National Monument. Comment
  UC201963  Lupinus leucophyllus Milo S. Baker 1893-1 Modoc Forestdale; near Large's Comment
  SEINET10491194  Lupinus leucophyllus var. leucophyllus Jeffrey Huber 1971-6-2 Huber 102 Modoc Modoc-lassen co line. 1 Mi. S of adin along calif hwy 139; basalt-clay, grassy Roadside. 1311 Comment
  HSC81087  Lupinus lyallii G. M. Riegel 1980-8-20 1089 Modoc South Warner Mtn. 1829 Comment
  RSA504640  Lupinus microcarpus Bruce Bartholomew, B. Anderson 1988-6-23 4247 Modoc 4.2 kim NW of Day. 1020 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
  POM27127  Lupinus polyphyllus subsp. polyphyllus R. M. Austin 1895-07 111 Modoc Willow Creek (Devils Garden) Comment
  UC126930  Lupinus saxosus Mrs. R. M. Austin July 1894 Modoc Goose Lake Valley Comment
  SEINET2063107 Image available Lupinus subvexus var. subvexus Arnold Tiehm 1984-6-30 8833 Modoc North edge of Lake Annie on the W side of Bidwell Mt., NE of Ft. Bidwell. 1530 Comment
  SEINET10490264  Lupinus subvexus var. transmontanus Billy Joe Cox 1971-6-3 Cox 2609 Modoc 6 mi n of alturas on us hwy 395, w facing slope in middle of grassland pasture. Edging into artemesia which adjoins juniper woodland. Lupinus sp in very Dense populations on every slope for over a mile north, more or less a valley Side in decomposing basalt with lighter soil above. 1341 Comment
  CAS-BOT-BC179109  Lythrum tribracteatum Herbert Louis Mason; Verne Grant 1947-7-10 13324 Modoc Dorris Reservoir, 2 mi. E of Alturas. Comment
  CDA34732  Lythrum tribracteatum L. Ahart, John Dittes 2010-8-3 17055 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 miles (air) northeast of Bieber, Big Valley. Comment
  CHSC106349  Lythrum tribracteatum Lowell Ahart; John Dittes 2010-8-30 17055 Modoc North side of a small wash, about 10 yards west of the fence, south edge of the meadow, Ash Creek State Wildlife Area, 2,300 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  CHSC117265  Lythrum tribracteatum Lowell Ahart; John Dittes 2016-7-14 21176 Modoc Southeast side of a new pond, south of Ash Creek Canal (now filled in), south of Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. 1273 Comment
  RSA0016027  Lythrum tribracteatum Robert F. Thorne, James Henrickson, C. W. Tilforth 1969-9-4 39099 Modoc On muddy spit and shore of N Fork of Pit River 3.4 mi. N of Alturas where crossed by Highway 395. 1341 Comment
  POM204104  Madia citriodora J. T. Howell 1934-6-11 11923 Modoc Parker Creek, Warner Mts. 1585 Comment
  RSA94362  Madia citriodora J. T. Howell 1934-6-11 11923 Modoc Parker Creek, Warner Mts. 1585 Comment
  UC33220  Madia elegans Milo S. Baker 1893-6-29 Modoc 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
  UC89361  Madia exigua Mrs. R. M. Austin July 1894 281 Modoc Davis Creek Comment
  CAS-BOT-BC49408  Madia glomerata R. M. Austin 1894-8-1 Modoc Goose Lake Valley. Comment
  CHSC115487  Madia glomerata L. P. Janeway 2014-7-8 11472 Modoc Modoc Plateau. 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
  CHSC67346  Madia glomerata James D. Jokerst 1986-8-12 2765 Modoc Radar Site Survey S of Doublehead Mtn., vernal pool adjacent to unnamed road ca. 0.5 mi S of its jct. with the E-W road to Doublehead Mtn. Comment
  UCR57895  Madia glomerata R. D. Goeden, Don W. Ricker 1989-8-23 890823- 21 Modoc Warner Mtns., Modoc National Forest, Fandango Pass Rd, near Warner Mtn, west of Pass 1616 Comment
  UCR67038  Madia glomerata George K. Helmkamp 1990-9-23 I- 26 Modoc Warner Mtns, Goose Lake, within 0.1 mi of the Oregon border 1476 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
  CAS-BOT-BC49377  Madia gracilis John Thomas Howell 1934-6-30 12268 Modoc Duncan Horse Camp. 1355 Comment
  POM204105  Madia gracilis subsp. gracilis J. T. Howell 1934-6-12 12025 Modoc Warner Mountains: Plum Valley Comment
  RSA540059  Madia gracilis subsp. gracilis Bruce Bartholomew 1990-6-15 5210 Modoc Kelly Spring, 5.5 km south-southeast of Highway 299 on road from Rush Creek 1640 Comment
  RSA540063  Madia gracilis subsp. gracilis Bruce Bartholomew, B. Anderson 1990-7-20 5465 Modoc 4 km N of Buck Creek Ranger Station at turn off to Del Prat Spring, W side of Warner Mts. 1900 Comment
  NY500377  Mahonia repens L. C. Wheeler 1935-8-14 3838 Modoc Pine Creek, Warner Mountains 2011.7 Comment
  HSC65601  Maianthemum racemosum subsp. amplexicaule Thomas Wood 1979-8-9 235 Modoc Dirt road along Bidwell Creek, 2.7 mi. NW of Jct. with Hwy. 2, N of Fort Bidwell. 1509 Comment
  HSC81154  Maianthemum racemosum subsp. amplexicaule G. M. Riegel 1980-7-8 848 Modoc 1670 Comment
  POM172674  Maianthemum stellatum Franklin P. Nutting 1894-6-15 s.n. Modoc Big Valley Mountains Comment
  CAS-BOT-BC49383  Malacothrix glabrata Bruce Bartholomew 1993-6-13 6620 Modoc E of Eagleville on E side of Surprise Valley between the valley floor and the Nevada border. 1400 Comment
  HSC14236  Marrubium vulgare M. T. Milligan 1964-8-8 220 Modoc 3 miles W of Alturas on Modoc County Rd. 54A at Rifle Range. 1372 Comment
  CAS-BOT-BC71146  Marsilea Alice Eastwood; John Thomas Howell 1940-6-15 8282 Modoc Near Happy Camp Ranger Station Comment
  CDA13467  Marsilea vestita subsp. vestita G. F. Hrusa, T. D. Wilfred 1996-7-21 13314 Modoc Modoc Plateau; Pit River overflow channel at Modoc Co. Rd. 90 bridge. E base of Splawn Mtn. N end of Big Valley. Comment
  CHSC117234  Medicago lupulina Lowell Ahart; John Dittes 2016-7-16 21243 Modoc Between the first pond and the second going west, south of Ash Creek Canal (now filled in), south of Ash Creek, Ash Creek State Wildlife Area, 0.79 miles (air) south of County Road 87, 1.75 miles (air) west of Adin, Big Valley. 1273 Comment
  JEPS65519  Medicago lupulina Frances D. Payne 1932-6-5 414 Modoc s and e Alturas; 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
  HSC80846  Melica bulbosa G. M. Riegel 1979-7-12 525 Modoc 2100 Comment
  UCD87298  Melica fugax L. Whitney 1935-5-24 3120 Modoc Hackamore, ca. 15 miles northwest of Canby, Modoc National Forest. 1463 Comment
  UC593540  Melica stricta E. B. Babcock, G. L. Stebbins Jr. 1936-6-9 1826 Modoc about 3 mi w Cedarville; Warner Mountains, Cedar Creek Canyon 1524 Comment
  SEINET10925516  Melica stricta F. Marion Ownbey, Fred G. Meyer 1940-7-1 Ownbey 2152 Modoc In Protection Of East Facing Rock Ledges, Cedar Peak, Warner Mts. Comment
  UCD88620  Melica subulata August L. Hormay 1932-7-17 s.n. Modoc Lily Lake. Near Oregon border in Warner Mtns. Comment
  HSC14246  Mentha canadensis M. T. Milligan 1964-7-24 162 Modoc Badger Wells Rd. at Boles Creek Crossing 1524 Comment
  POM84014  Mentzelia albicaulis R. M. Austin s.n. Modoc Goose Lake Valley. Comment
  CAS-BOT-BC179143  Mentzelia dispersa Bruce Bartholomew 1991-7-4 5918 Modoc Road between Roney Flat and Miller Flat. 1630 Comment
  CHSC107347  Mentzelia dispersa Lowell Ahart; John Dittes 2011-6-22 17557 Modoc On the east side of the road, about 100 yards north of the Pilot Butte Parking Lot, north edge of Ash Creek Floodplain, 1.1 miles (air) south of County road 87, 7.7 miles (air) west of Adin, 10 miles (air) east of Lookout, Big Valley. 1264 Comment
  UC1191590  Mentzelia dispersa Herbert L. Mason, Verne Grant 1947-7-9 13317 Modoc Summit of Warner Range, Cedar Pass 1920 Comment
  UC718796  Mentzelia dispersa B. J. Hammerly 1941-6-20 39 Modoc Between Mill Creekk Public Camp and Clear lake (On dry south slope) Comment
  UC748410  Mentzelia dispersa Annie M. Alexander and Louise Kellogg 1946-6-10 4714 Modoc Lava bench between Lower and Snake Lakes Comment
  UC872459  Mentzelia dispersa C. L. Hitchcock 1940-5-27 6675 Modoc 15 m ne Alturas 1615 Comment
  UC1191588  Mentzelia laevicaulis var. laevicaulis Verne Grant, Irving Schneider 1947-7-22 8161 Modoc 1 mi nw Highway 395 (on dirt road leading to south end of Goose Lake); North Fork of Pit River Comment
  RSA271900  Mentzelia veatchiana Christopher Davidson 1975-6-4 2612 Modoc 1/4 mi. W of Cedarville on Hwy 299. 1463 Comment
  HSC80938  Mertensia ciliata var. stomatechoides G. M. Riegel 1980-7-30 973 Modoc S Warner Mtns. 2100 Comment
  CAS-BOT-BC54001  Mertensia longiflora Francis Dorris Payne 1932-5-27 408 Modoc Parker Creek. 1584 Comment
  RSA486802  Mertensia longiflora Bruce Bartholomew, B. Anderson 1988-5-13 4153 Modoc Along Parker Creek Road, 0.5 km W of West Warner Road on Parker Creek Road, W side of the Warner Mountains. 1650 Comment
  CAS-BOT-BC54013  Mertensia oblongifolia var. amoena Betty J. Hammerly 1941-6-20 30 Modoc Clear Lake. 1767 Comment
  CAS-BOT-BC225962  Micranthes nidifica Annie Montague Alexander; L. Kellogg 1946-6-15 4779 Modoc Deep Creek. 2194 Comment
  CAS-BOT-BC429024  Micranthes nidifica Ira L. Wiggins; Dorothy B. Wiggins 1961-6-12 16423 Modoc Near summit of Cedar Pass, between Alturas & Cedarville 1935 Comment
  CHSC118311  Micranthes nidifica L. P. Janeway 2016-5-18 12075 Modoc Modoc Plateau. Devils Garden area; Island Meadow, along Road 47N08 2.1 road-km north of Road 73/181/47N09. 1606 Comment
  CAS-BOT-BC225967  Micranthes oregana Elmer Ivan Applegate 1932-8-3 8108 Modoc East branch of Mill Creek, Mill Creek Meadow, Warner Mts. Comment
  CAS-BOT-BC225970  Micranthes oregana Bruce Bartholomew 1995-7-31 7118 Modoc Upper reaches of Sassen Creek, W side of the Warner Mountains. 1900 Comment
  CAS-BOT-BC49394  Microseris nutans John Thomas Howell 1934-6-13 12051 Modoc Fandango Pass, Warner Mountains 1828 Comment
  CAS-BOT-BC49399  Microseris nutans Annie Montague Alexander; L. Kellogg 1946-6-14 4750 Modoc Meadow, branch to Silver Creek, Patterson Mill Road. 1828 Comment
  CHSC67085  Microseris nutans James D. Jokerst 1987-5-12 2843 Modoc Radar Survey Site S of Doublehead Mtn., N end of central sector. Comment
  UC748133  Microseris nutans Annie M. Alexander and Louise Kellogg 1946-7-17 5003 Modoc Benton Meadow Warner Mountains 2072 Comment
  JEPS6026  Microseris nutans Frances D. Payne 1932-6-22 573 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  CAS-BOT-BC197903  Microsteris gracilis Bruce Bartholomew 1991-5-24 5721 Modoc NE end of Surprise Valley, 6.5 km E of Fort Bidwell on road to Fee Reservoir. 1500 Comment
  CAS-BOT-BC197912  Microsteris gracilis Gordon H. True 1964-6-3 1440 Modoc Cedar Pass, Warner Mts. 1524 Comment
  CAS-BOT-BC197917  Microsteris gracilis Bruce Bartholomew 1992-5-17 6341 Modoc S side of White Horse Flat Reservoir in the vicinity of McArthur Cow Camp. 1390 Comment
  UCSB27157  Microsteris gracilis Wilken, Dieter 1969-7-28 Modoc Mill Creek Falls; near Clear Lake; east of Likely; Warner Mtns 1767 Comment
  SEINET7719529  Mimulus austiniae Unknown Modoc Mesa Comment
  JEPS127288  Mimulus breviflorus Lowell Ahart, John Dittes 2016-7-14 21183 -A Modoc South of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin Big Valley. Comment
  RSA535421  Mimulus cusickii David M. Thompson 1988-7-23 975 Modoc E side Warner Mountains, 3.7 miles S of Hwy 299 (at Cedarville) along Surprise Valley Road, then 1.5miles W along Granger Canyon Road. 1500 Comment
  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
  JEPS127294  Mimulus evanescens Lowell Ahart, John Dittes 2016-7-14 21183 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
  HSC20743  Mimulus guttatus M. T. Milligan 1964-6-6 16 Modoc N side of Dorris Reservoir along shore 1372 Comment
  HSC65565  Mimulus guttatus Thomas Wood 1979-8-8 212 Modoc 1 mi. S of Ft. Bidwell along Hwy. 1, corner house where road turns W 1372 Comment
  JEPS11393  Mimulus guttatus W. L. Jepson 1918-8-7 7853 Modoc Mt. Bidwell Warner Mts. 1798 Comment
  JEPS124365  Mimulus guttatus Lowell Ahart, John Dittes 2015-7-16 20363 Modoc Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. Comment
  UC1191909  Mimulus guttatus Herbert L. Mason, Verne Grant 1947-7-12 13391 Modoc several mi s Alturas (irrigation ditch by Jones' Lane, off Highway 395) Comment
  POM43666  Mimulus guttatus R. M. Austin 514 Modoc Goose Lake Valley. Comment
  RSA454353  Mimulus guttatus Louis C. Wheeler 1935-8-27 3926 Modoc South Mt. Spring, Devil's Garden. 1524 Comment
  UC1191895  Mimulus guttatus Verne Grant, Irving Schneider 1947-7-19 8070 Modoc n Likely (s of south loop road, on Corporation Ranch) Comment
  SBBG15847  Mimulus lewisii J. R. Haller 1959-8-19 1462 Modoc 0.2 mi W of Cave Lake, jct on road between New Pine Crk and Ft Bidwell 2133 Comment
  UC27067  Mimulus moschatus Milo S. Baker 1893-7-15 Modoc Comment
  UCR72552  Mimulus nanus var. nanus D. M. Thompson 1988-6-2 925 Modoc c. 6.8 mi NW of Canby. ).1 mi SE of turnoff for Howard's Gulch Campground along Hwy 139 1500 Comment
  JEPS4009  Mimulus nanus var. nanus Frances D. Payne 1932-6-19 546 Modoc 10 mi s Alturas (on road to Likely); Warner Mountains Comment
  RSA152603  Mimulus nanus var. nanus I. L. Wiggins, Dorothy B. Wiggins 1961-6-12 16413 Modoc Near summit of Cedar Pass, between Alturas and Cedarville. 1936 Comment
  UC726427  Mimulus nanus var. nanus A. A. Heller 1941-6-25 16196 Modoc a short distance e U. S. Highway #395 (on the Cedarville road) Comment
  UCD77260  Mimulus pygmaeus Robert E. Preston 2000-5-31 1353 Modoc Modoc Plateau, along Hwy 139, ca. 1 mi w of Forest Service Road 44N11. 1463 Comment
  RSA93427  Mimulus suksdorfii Milo S. Baker 1936-6-14 8313 Modoc Sink along Hwy to Canby. Several miles north of Quarantin Station. Comment
  UC465880  Minuartia nuttallii subsp. fragilis M. F. Gilman 602 Modoc 1676 Comment
  RSA165438  Minuartia nuttallii subsp. gracilis Clare B. Hardham 1961-6-20 7886 Modoc Bidwell Road to Dismal Creek. 2439 Comment
  JEPS27121  Minuartia nuttallii subsp. gregaria Lauramay T. Dempster 1961-6-20 1714 Modoc ridge just n junction of Dismal Creek Road with Fort Bidwell Road; Warner Mountains 2346 Comment
  CHSC109493  Minuartia nuttallii var. gracilis L. P. Janeway; B. Castro 2012-7-26 11008 Modoc Warner Mountains. Top of Yellow Mountain; topmost part and western edge (at the edge of a steep dropoff to the northwest). 2463 Comment
  NY446178  Minuartia nuttallii var. gregaria L. C. Wheeler 1935-8-5 3786 Modoc Yellow Mountain, Warner Mountains 2438.4 Comment
  CAS-BOT-BC225804  Mitella pentandra Bruce Bartholomew 1989-8-12 5114 Modoc South Fork of Pine Creek just N of trailhead to Pine Creek Basin, W side of Warner Mts. 2010 Comment
  CAS-BOT-BC225806  Mitella pentandra Bruce Bartholomew 1992-5-15 6307 Modoc Upper end of Pleasants Canyon, W side of Warner Mountains. 1930 Comment
  CAS-BOT-BC225809  Mitella pentandra Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-14 16489 Modoc 6.4 mi. S of LKassen Creek campground, on road to Buck Mountain, Warner Mts. Comment
  UCR138445  Mitella pentandra David A. Charlet 1989-8-16 540 Modoc Warner Mountains. 11 km NW of Eagle Peak, Rock Spring 2015 Comment
  CAS-BOT-BC179852  Monardella odoratissima subsp. glauca Bruce Bartholomew; Barrett Anderson 1988-7-23 4554 Modoc Road beyond Poison Lake ca. 8 km S of the road from U.S. Highway 395 to Lily Lake, Warner Mts.. 2140 Comment
  JEPS63408  Monardella odoratissima subsp. glauca W. L. Jepson 1918-8-7 7868 Modoc Mt. Bidwell Warner Mts. 2286 Comment
  RSA83374  Monardella odoratissima subsp. glauca F. W. Peirson 1926-6-25 6897 Modoc Small side canyon 1 mile east of summit on road to Cedarville, across the Warner Mts. Comment
  CDA33297  Monardella odoratissima subsp. odoratissima Jim Jokerst 1990-8-2 3208 Modoc Summit of East Sand Butte, just east of Lava Beds National Monument. Comment
  CAS-BOT-BC179358  Monardella odoratissima subsp. pallida Belknap C. Goldsmith 1912-7-1 58 Modoc Little Hot Spring Valley. 1219 Comment
  CAS-BOT-BC95545  Monolepis nuttalliana Bruce Bartholomew; Barrett Anderson 1989-6-3 4895 Modoc S side of Clear Lake Reservoir. 1400 Comment
  CAS-BOT-BC197518  Montia chamissoi Bruce Bartholomew 1991-7-7 6006 Modoc Pot Hole Spring. 1890 Comment
  CAS-BOT-BC197510  Montia fontana Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16396 Modoc Thoms Creek, 6.1 mi. E of Calif. State Highway 299 along Cedar Pass Rd. Comment
  NY497765  Montia fontana B. M. Bartholomew 1989-6-2 4845 Modoc Vicinity of Stough Reservoir, Warner Mountains 1950 Comment
  RSA520346  Montia fontana Bruce Bartholomew, B. Anderson 1989-6-2 4845 Modoc Vicinity of Stough Reservoir, Warner Mtns. 1950 Comment
  CAS-BOT-BC197541  Montia linearis E. S. Willits 1940-4-16 182 Modoc Sugar Hill. Comment
  HSC75891  Montia linearis D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19435 Modoc Near Hager Reservoir Comment
  RSA210777  Muhlenbergia asperifolia R. F. Thorne, J. Henrickson, C. W. Tilforth 1969-9-3 39016 Modoc SE end of Tule Lake Sump 0.5 miles N of turnoff to Lava Beds National Monument, (2.2 miles E of NE entrance to monument) 1265 Comment
  RSA0039529  Muhlenbergia richardsonis Lowell A. Ahart, John Dittes 2012-7-10 18325 Modoc Along the south side of the drainage, 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
  HSC81156  Muilla transmontana G. M. Riegel 1980-7-1 802 Modoc S Warner Mtns. 2100 Comment
  UC1731496  Myosurus apetalus Dean Wm. Taylor with Glenn L. Clifton 1992-5-7 12530 Modoc just above western rim of Black Canyon (0.5 mi downstream of Duncan Reservoir, in creek draining the reservoir, Modoc Plateau); Modoc Plateau 1524 Comment
  CAS-BOT-BC217295  Myosurus minimus Bruce Bartholomew; Barrett Anderson 1988-5-14 4200 Modoc Pease Cabin, 0.8 km E of Fletcher Creek on USFS road 47N09 between Goose Lake and Crowder Flats. 1550 Comment
  SJSU9632  Myosurus minimus W. Savage 1979-7-7 1451 Modoc Triangle, W side Fairchild Swamp Unit, Modoc National Forest 1493 Comment
  RSA252500  Myriophyllum verticillatum Robert F. Thorne, C. W. Tilforth 1969-9-5 39147 Modoc North of South Fork of Pit River above jct. with West Creek at Public Campground, ca. 6 mi. E of Likely. 1402 Comment
  CAS-BOT-BC179314  Nama densa Bruce Bartholomew; Barrett Anderson 1989-6-2 4817 Modoc Sand dunes at the SE corder of Upper Alkali Lake, E side of Surprise Valley. 1400 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
  CHSC67118  Navarretia James D. Jokerst 1987-6-24 2937 Modoc NE of Doublehead Mtn. along the edges of road to Red Lake. Comment
  HSC80882  Navarretia breweri G. M. Riegel 1980-8-9 1018 Modoc S Warner Mtns. 2100 Comment
  SEINET201593  Navarretia breweri Arthur Cronquist 1959-6-20 8528 Modoc Cedarville Pass, Warner Mts. Between Cedarville and Alturas 1920 Comment
  SJSU8659  Navarretia breweri H. L. Buckalew 1961-6-24 Modoc above Stough Reservoir 2-3 mi N of Cedar Pass on Alturas-Cedarville Rd, Warner Mts 2011 Comment
  UCD32710  Navarretia breweri Beecher Crampton 1954-7-7 2138 Modoc Modoc County, west side of Cedar Pass. Comment
  UC1058213  Navarretia breweri C. McMillan 1949-6-16 1537 Modoc 3 mi s Crowder Flat (35 mi n of Canby) Comment
  UC133779  Navarretia divaricata Mrs. R. M. Austin Aug 1894 308 Modoc Davis Creek Comment
  CAS-BOT-BC197999  Navarretia divaricata subsp. vividior Mrs. Annie F. Rodda 1932-7-1 s.n. Modoc Between Macarthur and Alturas. Comment
  CAS-BOT-BC197996  Navarretia heterandra Alice Eastwood; John Thomas Howell 1940-6-15 8294 Modoc 9 mi. N of Lookout. Comment
  SJSU9551  Navarretia leptalea W. Savage 1979-7-3 1285 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  CAS-BOT-BC197973  Navarretia leucocephala subsp. leucocephala Bruce Bartholomew; Barrett Anderson 1988-6-23 4248 Modoc 4.2 km NW of Day. 1020 Comment
  CHSC85115  Navarretia leucocephala subsp. minima John Dittes; Josephine Guardino 1991-7-21 424 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
  UC1191628  Navarretia leucocephala subsp. minima Herbert L. Mason 1947-8-8 13456 Modoc nw of Alturas (n of Big Sage Reservoir); Ingalls Swamp Comment
  RSA148666  Navarretia sinistra Clare B. Hardham 1961-6-21 7900 Modoc Warner Mountains: Lakeview-Plush Road. 1829 Comment
  CAS-BOT-BC179282  Nemophila pedunculata Lincoln Constance 1938-6-12 2337 Modoc Margin of Rush Creek, 8 mi. NE of Adin. 1524 Comment
  POM249004  Nemophila pedunculata Lincoln Constance 1938-6-12 2337 Modoc Margin of Rush Creek, 8 miles northeast of Adin. 1524 Comment
  UC67084  Nemophila pedunculata Mrs. M. H. Manning 1903-8 Modoc Warner Range 1828 Comment
  UC20412  Neoholmgrenia andina M. S. Baker and Frank Nutting 1894-6-29 Modoc Big Valley Comment
  UC726196  Neoholmgrenia andina A. A. Heller 1941-6-25 16198 Modoc on the Cedarville rd a short distance e junction with U.S. Highway 395 Comment
  CHSC112842  Nicotiana attenuata Lowell Ahart; John Dittes 2013-7-25 18970 Modoc Elkins Lane Parking Area, west of the old barn, on the west side of Elkins Lane, Ash Creek State Wildlife Area, 320 feet north of Lassen County Line, about 4.4 miles (air) west of Adin, about 7.2 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  NY962860  Nicotiana attenuata B. M. Bartholomew 1990-7-21 5550 Modoc West edge of Middle Alkali Lake, directly east of Cedarville, Surprise Valley 1370 Comment
  CAS-BOT-BC245370  Nicotiana attenuata Francis Dorris Payne 1932-6-19 554 Modoc Jess Valley Rd. Comment
  CAS-BOT-BC58642  Noccaea fendleri subsp. glauca Annie Montague Alexander; L. Kellogg 1946-8-9 5127 Modoc Patterson Lake Trail, Warner Mts. Comment
  CAS-BOT-BC49370  Nothocalais troximoides Bruce Bartholomew; Barrett Anderson 1988-5-14 4206 Modoc Hager Basin Reservoir between Crowder Flats and Big Sage Reservoir on USFS road 48N08. 1530 Comment
  CAS-BOT-BC497315  Oenothera Fred P. Cronemiller, Jr. 1920-6-14 23 Modoc Bieber Range 1341 Comment
  CAS-BOT-BC190813  Oenothera deltoides subsp. piperi Bruce Bartholomew; Barrett Anderson 1989-6-2 4836 Modoc 6.4 km E of Eagleville on the road to the California state border, E side of Surprise Valley. 1550 Comment
  CHSC116084  Oenothera elata subsp. hirsutissima Lowell Ahart; John Dittes 2015-7-16 20361 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
  JEPS124353  Oenothera elata subsp. hirsutissima Lowell Ahart, John Dittes 2015-7-16 20361 Modoc Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. Comment
  NY998815  Oenothera flava A. A. Heller 1941-6-26 16210 Modoc Five miles west of Alturas along U.S. Highway #299 Comment
  CAS-BOT-BC190802  Oenothera flava subsp. flava K. Paulson; Robert Paulson 1989-6-21 142 Modoc Vicinity of S Fork of Pine Creek, W side of the Warner Mts. 1883 Comment
  CHSC85114  Oenothera flava subsp. flava John Dittes; Josephine Guardino 1991-7-21 425 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
  UC190690  Olsynium douglasii var. douglasii M. F. Gilman 581 Modoc Modoc Co. Hills 1676 Comment
  CDA36035  Onopordum acanthium C. Pirosko Jul 2003 s.n. Modoc 0 Comment
  CDA7565  Onopordum acanthium T. C. Fuller 1957-9-18 339 -57 Modoc Alturas. 0 Comment
  UCD134664  Onopordum acanthium T. C. Fuller 1959-7-8 2795 Modoc south side of 4th Street, east of East Street, Alturas. Comment
  CDA7562  Onopordum acanthium T. C. Fuller 1958-7-9 900 -58 Modoc South of 4th Street, east of East Street, Alturas. 0 Comment
  HSC80905  Orobanche fasciculata G. M. Riegel 1980-6-30 780 Modoc S Warner Mtns. 1829 Comment
  CAS-BOT-BC190785  Orobanche uniflora Bruce Bartholomew; L. E. Skog; M. Gilbert 1993-5-11 6505 Modoc Fletcher Creek near crossing by Crowder Flat Road. 1600 Comment
  UC100822  Orobanche uniflora subsp. occidentalis Milo S. Baker 1890-1 87 Modoc Forestdale. Comment
  UC1586960  Orobanche uniflora subsp. occidentalis Juha Pykala and D. H. Norris 1987-5-28 1275 Modoc Modoc National Forest, Warner Mountains, ca. 3-4 miles W of Lake City, Lake City Canyon. Comment
  SJSU9692  Orthocarpus bracteosus W. Savage 1979-7-21 1553 Modoc Oregon Rim Unit, Devils Garden District, Modoc National Forest 1584 Comment
  CAS-BOT-BC232178  Orthocarpus cuspidatus subsp. copelandii Frank Warrington Peirson 1926-6-25 6871 Modoc Cedarville Pass. Comment
  CAS-BOT-BC232320  Orthocarpus cuspidatus subsp. copelandii Bruce Bartholomew; Barrett Anderson 1988-7-23 4558 Modoc Road beyond Poison Lake ca. 8 km S of the road from U.S. Highway 395 to Lily Lake, Warner Mts.. 2140 Comment
  RSA80247  Orthocarpus cuspidatus subsp. copelandii F. W. Peirson 1926-6-25 6871 Modoc Summit of grade, Cedarville Pass, Warner Mountains. Comment
  JEPS3006  Orthocarpus cuspidatus subsp. cryptanthus Frances Payne 1932-6-26 614 Modoc high ridges n Parker Creek (Warner Mountains); , high ridges n of Parker Creek 1828 Comment
  RSA504646  Orthocarpus hispidus Bruce Bartholomew, B. Anderson 1988-6-23 4238 Modoc 2.1 km SSE of Day on the road to State Highway 299. 1020 Comment
  RSA531359  Orthocarpus hispidus Bruce Bartholomew, B. Anderson 1989-6-1 4762 Modoc S end of Goose Lake. 1460 Comment
  RSA531343  Orthocarpus lacerus Bruce Bartholomew, B. Anderson 1989-6-3 4911 Modoc ca. 6 km NW of Egg Lake and ca. 0.8 km E of Service Flat Gulch. 1370 Comment
  HSC80794  Osmorhiza berteroi G. M. Riegel 1980-7-1 800 Modoc South Warner Mountains 1670 Comment
  CAS-BOT-BC15739  Osmorhiza chilensis Elmer Ivan Applegate 1932-7-31 7962 Modoc Mill Creek Meadow. Comment
  CAS-BOT-BC15743  Osmorhiza chilensis Roxana Stinchfield Ferris; R. Duthie 1919-6-3 52 Modoc Along Parker Creek at Modoc National Forest boundary., Comment
  RSA646248  Osmorhiza occidentalis Marion P. Harthill 1972-6-17 s.n. Modoc Cedar Pass, Modoc National Forest 1921 Comment
  CAS-BOT-BC218101  Oxyria digyna Bruce Bartholomew 1991-8-5 6039 Modoc Squaw Peak Trail on N side of Squaw Peak, E side of Warner Mts. 2420 Comment
  RSA17706  Oxyria digyna Elmer I. Applegate 1932-8-5 8178 Modoc Craggy summit of Cedar Mountain, north of Cedar Pass, Warner Mountains Comment
  CAS-BOT-BC50306  Packera cana Mrs. H. C. Cantelow 1940-6-2 Modoc 4 mi. W of Alturas on road to Lava Beds National Monument. Comment
  CAS-BOT-BC50310  Packera cana Mrs. H. C. Cantelow 1940-6-2 Modoc W of Alturas on road to lava beds, Klamath Falls Highway. Comment
  CAS-BOT-BC50345  Packera cana Leland S. Smith 1918-7-7 975 Modoc Jess Valley. 1524 Comment
  HSC6104  Packera cana M. T. Milligan 1966-8-3 628 Modoc W slope of Eagle Peak 2439 Comment
  UC1035973  Packera eurycephala Helen K. Sharsmith 1955-6-25 4507 Modoc n slope Jess Valley; Warner Mountains, Modoc National Forest 1584 Comment
  JEPS5949  Packera eurycephala Frances D. Payne 1931-6-11 169 Modoc s and e of Alturas; Warner Mountains, Parker Creek 1584 Comment
  CAS-BOT-BC50317  Packera eurycephala var. eurycephala Bruce Bartholomew 1991-5-25 5766 Modoc 8 km E of Likely on road to Jess Valley, N side of road along N side of S Fork of Pit River. 1460 Comment
  SJSU9569  Packera subnuda var. subnuda W. Savage 1979-7-3 1317 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
Read comments
Jul 30 2012
  RSA0013799  Paeonia brownii Joan Stewart 2005-6-6 2485 Modoc Stowe Reservoir, Warner Mountains. Comment
  RSA434234  Paeonia brownii Christopher Davidson 1975-6-3 2587 Modoc East of Goose Lake, ca. 1 mile south of Willow Ranch on Highway 395 north of Alturas 1341 Comment
  RSA99680  Paeonia brownii W. A. Weber 1953-5-14 8372 Modoc West end of Jess Valley 10 miles east of Likely 1433 Comment
  CAS-BOT-BC497211  Panicum Gladys L. Smith; Margaret Williams; Loring Williams; Charles Smith 1983-9-14 8380 Modoc Warner Mts., Rte. 299, exactly 12.8 mi NE of Alturas 1554 Comment
  CAS-BOT-BC247558  Panicum capillare Louis Cutter Wheeler 1935-9-13 3984 Modoc Fletcher Creek. 1524 Comment
  UC1093650  Pedicularis semibarbata Herbert L. Mason 1957-7-6 14722 Modoc divide between Davis Creek and Mill Creek; Warner Mountains, Benton Meadows Comment
  CAS-BOT-BC30196  Pellaea breweri Bruce Bartholomew 1992-8-9 6392 Modoc Upper region of Owl Creek drainage, below cliffs, E of Summit Trail, E side of Warner Mtns 2470 Comment
  UC27427  Penstemon cinicola M. S. Baker and Frank Nutting 1894-1 Modoc Egg Lake Comment
  HSC72503  Penstemon davidsonii J. P. Smith, J. O. Sawyer 1973-8-8 7218 Modoc Near summit of Eagle Peak 2988 Comment
  CAS-BOT-BC232337  Penstemon davidsonii var. davidsonii M. Vasey 1990-6-28 9013 Modoc Trail to summit above N Emerson Lake, South Warner Wilderness 2560 Comment
  POM43207  Penstemon deustus subsp. deustus R. M. Austin 1890-07 535 Modoc Goose Lake Valley Comment
  UC190596  Penstemon deustus var. deustus M. F. Gilman 503 Modoc 1676 Comment
  CAS-BOT-BC232328  Penstemon deustus var. pedicellatus Francis Dorris Payne 1932-6-10 532 Modoc Parker Creek. 1584 Comment
  CAS-BOT-BC245535  Penstemon gracilentus Robert Patterson; Mona Bourell 1993-8-15 5280 Modoc Warner Mountains. Along trail from Patterson Lake to ca. 2 mi north towards Pepperdine Trailhead. 2743 Comment
  NY600739  Penstemon gracilentus M. Bourell 1993-8-15 5280 Modoc South Warner Wilderness Area. Warner Mountains. Along trail from Patterson Lake to ca. 2 miles north toward Pepperdine Trailhead. 2438.4 Comment
  UC201715  Penstemon gracilentus W. P. Taylor and H. C. Bryant 1910-7-13 Modoc Head N. Fork Parker Cr. Warner Mountains, N. Fork Parker Cr. 2286 Comment
  JEPS11462  Penstemon heterodoxus var. shastensis Franklin P. Nutting 1894-6-8 Modoc near Egg Lake (Northern California); wet adobe flats near Egg Lake Comment
  SEINET5328793 Image available Penstemon janishiae M. J. Williams, T. Holcom, B. Holcom; L. Saxton 1988-5-28 88- 24 -2 Modoc Grade up to Crowder Flat from Hwy 299, W of Alturas. Top of steep bank by road 1478 Comment
  CAS-BOT-BC232516  Penstemon roezlii Alice Eastwood; John Thomas Howell 1940-6-13 8189 Modoc W side of Cedar Pass. Comment
  CAS-BOT-BC245574  Penstemon roezlii Bruce Bartholomew; Barrett Anderson 1988-6-25 4392 Modoc 5.6 km NW of State Highway 299 on County Road 73. 1500 Comment
  HSC21011  Penstemon roezlii M. T. Milligan 1964-6-6 14 Modoc N side of Dorris Reservoir along shore 1372 Comment
  NY650112  Penstemon roezlii F. W. Pennell 1940-6-7 25278 Modoc Route 299, 4 miles northeast of Adin 1341.1 Comment
  NY650134  Penstemon roezlii C. L. Hitchcock 1940-5-27 6672 Modoc 15 miles northeast of Alturas 1615.4 Comment
  NY677132  Penstemon roezlii K. Paulson 1988-6-11 20 Modoc Barnes Garden, Crowser Flat Road to Devil's Garden 1433 Comment
  SEINET195630  Penstemon roezlii Annie M. Alexander, L Kellogg 1946-6-12 4740 Modoc Fandango Pass rd 1707 Comment
  SFV3436  Penstemon roezlii I. L. Wiggins, D. B. Wiggins 1961-6-12 16369 Modoc Warner Mountains Gentle, grassy slope at junction of Cedar Pass Road with California Highway 299. 5.5 miles north of Alturas. 1370 Comment
  CAS-BOT-BC232514  Penstemon roezlii Elmer Ivan Applegate 1929-6-24 5886 Modoc Along Pit River above Adin. Comment
  RSA152716  Penstemon roezlii I. L. Wiggins, Dorothy Wiggins 1961-6-12 16369 Modoc At junction of Cedar Pass road with California Highway 299, 5.5 miles N of Alturas. Comment
  SEINET3357563 Image available Penstemon roezlii Margaret J. Williams 1984-6-28 84- 68 -1 Modoc Warner Mountains. Stowe Reservoir area, W of Soldier Creek Road. Comment
  UC690359  Penstemon roezlii Elmer I. Applegate 1929-6-24 5886 Modoc along Pitt River above Adin; along Pitt River above Adin Comment
  CAS-BOT-BC245506  Penstemon rydbergii var. oreocharis Bruce Bartholomew 1990-6-16 5276 Modoc Bear Flat, W side of Warner Mountains. 1830 Comment
  CAS-BOT-BC245509  Penstemon rydbergii var. oreocharis E. S. Willits 1940-6-9 337 Modoc 12 Mile Creek. Comment
  RSA563317  Penstemon rydbergii var. oreocharis K. Paulson, R. Paulson 1990-7-2 210 Modoc Dismal Swamp, Warner Mtns. Comment
  UC102984  Penstemon rydbergii var. oreocharis Mrs. R. M. Austin 1894-1 180 Modoc Goose Lake Valley Comment
  UC565590  Penstemon rydbergii var. oreocharis F. H. Frost 1925-7-24 135 Modoc Jess Valley Warner Mountains, Jess Valley (s Modoc County) Comment
  UC748179  Penstemon rydbergii var. oreocharis Annie M. Alexander and Louise Kellogg 1946-6-14 4749 Modoc Silver Creek branch of Patterson Mill road 1828 Comment
  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
  RSA420365  Penstemon rydbergii var. oreocharis Robert Gustafson 1985-6-13 3164 Modoc Jct of Hwy 49 and Forest Service road 12, Yuba Pass summit. 2043 Comment
  HSC21058  Penstemon speciosus M. T. Milligan 1964-7-1 128 Modoc 6 mi. N of Hwy. 139 on FS Rd. 44N15 1524 Comment
  HSC80746  Penstemon speciosus G. M. Riegel 1980-7-3 823 Modoc S Warner Mtns. 1829 Comment
  RSA59600  Penstemon speciosus Verne Grant, Alva Grant 1950-7-14 8947 Modoc On north flank of Cedar Mt, Warner Mtns. 2195 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
  CAS-BOT-BC214731  Peraphyllum ramosissimum Elmer Ivan Applegate 1897-6-5 849 Modoc Along Pit River below Alturas. Comment
  RSA31944  Peraphyllum ramosissimum A. A. Heller 1938-6-24 15228 Modoc elevated flat in clay soil about midway between Canby and Alturas. Comment
  UC20886  Perideridia oregana Mrs. R. M. Austin July 1894 Modoc Goose Lake Valley Comment
  CHSC109677  Persicaria amphibia Lowell Ahart; John Dittes 2012-7-10 18327 Modoc On the drying north side of the drainage, east of the fence, northwest of the old homestead, Ash Creek State Wildlife Area, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  CAS-BOT-BC218153  Persicaria maculosa Bruce Bartholomew 1994-10-8 6878 Modoc 1.8 km S of Lookout - Adin Road on County Road 87A. 1260 Comment
  CHSC23594  Phacelia adenophora K. R. Stern; D. B. Joley, J. G. Geschke 1974-6-23 5847 Modoc Comment
  HSC81070  Phacelia hastata G. M. Riegel 1980-8-28 1070 Modoc S Warner Mtns. 1739 Comment
  UC748114  Phacelia hastata Annie M. Alexander and Louise Kellogg 1946-8-1 5116 Modoc Eagle Peak Warner Mountains (top) 3019 Comment
  CAS-BOT-BC179274  Phacelia hastata subsp. compacta Annie M. Alexander; Miss Louise Kellogg 1946-8-1 5116 Modoc Eagle Peak. 3019 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-BC95632  Phacelia hastata subsp. hastata Alice Eastwood; John Thomas Howell 1940-6-13 8119 Modoc Surprise Valley. Comment
  RSA133982  Phacelia hastata subsp. hastata L. R. Heckard 1952-6-19 316 Modoc About seven miles north of Alturas along U. S. Highway 395. 1341 Comment
  CAS-BOT-BC180015  Phacelia heterophylla subsp. virgata Lincoln Constance 1946-7-4 3101 Modoc Above Thom's Creek, 17 mi. NE of Alturas. 1676 Comment
  HSC30188  Phacelia heterophylla subsp. virgata D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19468 Modoc Upper Rush Creek Campground, about 8 mi. N of Adin on Hwy. 299 Comment
  UC1586867  Phacelia heterophylla subsp. virgata Juha Pykala and D. H. Norris 1987-5-27 1057 Modoc between Lower Rush Creek Campground and Upper Rush Creek Campground; Modoc National Forest 1500 Comment
  UC24490  Phacelia heterophylla subsp. virgata M. S. Baker and Frank Nutting 1894-6-8 Modoc Little Hot Spring Valley Comment
  UC1051773  Phacelia heterophylla subsp. virgata L. R. Heckard 1952-6-19 312 Modoc just below summit of Fandango Pass (sw of Fort Bidwell); Warner Mountains 1828 Comment
  UC1228323  Phacelia heterophylla subsp. virgata L. R. Heckard 1952-6-19 310 Modoc about 7 mi ne Alturas (on road to Cedarville) 1371 Comment
  HSC30046  Phacelia humilis D. H. Norris, T. Nelson, S. Dowty 1971-6-22 19313 Modoc Soup Springs Campground Comment
  CAS-BOT-BC179999  Phacelia humilis var. humilis Mrs. H. C. Cantelow 1940-6-1 Modoc Cedar Pass Summit. Comment
  CAS-BOT-BC180001  Phacelia humilis var. humilis C. L. Hitchcock 1940-5-27 6678 Modoc 15 mi. NE of Alturas. 1615 Comment
  CAS-BOT-BC179994  Phacelia humilis var. humilis Clarence Roy Quick 1934-7-24 1352 Modoc 2-3 1/2 mi. NE of Patterson Ranger Station. 2438 Comment
  POM299083  Phacelia humilis var. humilis Alice Eastwood, J. T. Howell 1940-6-13 8185 Modoc West side of Cedar Pass. Comment
  CAS-BOT-BC179949  Phacelia linearis Bruce Bartholomew; Barrett Anderson 1989-6-3 4881 Modoc Boles Creek, ca. 5.5 km E of the SE corner of Clear Lake Reservoir. 1430 Comment
  POM127626  Phacelia linearis Milo S. Baker 1887-1 s.n. Modoc Forestdale Comment
  SEINET3158188  Phacelia linearis M. S. Baker 1899-1 sn Modoc Forestdale Comment
  SJSU6098  Phacelia linearis J. W. Tilden 1958-6-25 1265 Modoc near Monument Hdqtrs, Lava Bed National Monument Comment
  UCD35722  Phacelia linearis Beecher Crampton 1960-6-17 5680 Modoc 8 miles north of Perez, west of the southern portion of Clear Lake Reserv., Saddleblanket Flat. 1371 Comment
  CAS-BOT-BC179944  Phacelia mutabilis Annie Montague Alexander; L. Kellogg 1946-6-12 4735 Modoc Fandango Pass road. 1676 Comment
  CAS-BOT-BC179946  Phacelia mutabilis Louis Cutter Wheeler 1935-8-10 3824 Modoc Lily Lake. 2133 Comment
  CAS-BOT-BC179930  Phacelia ramosissima var. eremophila Clare Butterworth Hardham 1961-6-20 7872 Modoc Pine Creek Canyon. 1676 Comment
  RSA531328  Phacelia ramosissima var. eremophila Bruce Bartholomew, B. Anderson 1990-7-20 5486 Modoc 10.3 km north of Buck Creek Ranger Station, crest of Warner Mountains west side of Warner Mountains. 2130 Comment
  CAS-BOT-BC179938  Phacelia ramosissima var. ramosissima Annie Montague Alexander; L. Kellogg 1946-6-18 4807 Modoc Base of lava bluff facing Lower Lake. Comment
  UC748116  Phacelia ramosissima var. ramosissima Annie M. Alexander and Louise Kellogg 1946-7-24 5066 Modoc trail to Emerson Camp Warner Mountains, Bear Camp Flat Comment
  POM301682  Phacelia ramosissima var. ramosissima Marion Ownbey, Fred G. Meyer 1940-7-1 2156 Modoc Cedar Peak, Warner Mountains. Comment
  CAS-BOT-BC179927  Phacelia sericea var. ciliosa M. Vasey 1990-6-28 9012 Modoc In vicinity of pass at junction of North Emerson Lake Trail and Owl Creek Trail. On Cole Peak side of pass. 2590 Comment
  CAS-BOT-BC179922  Phacelia tetramera Bruce Bartholomew 1995-5-13 6903 Modoc E of Eagleville near Eagleville Airport, S end of Surprize Valley. 1390 Comment
  JEPS2794 Image available Phacelia thermalis M. S. Baker and Frank Nutting 1894-6-4 Modoc Little Hot Spring Valley; ; Little Hot Spring Valley, Modoc Co. Comment
  POM261000  Phacelia thermalis Alice Eastwood, J. T. Howell 1940-6-15 8287 Modoc 9 miles N of Lookout Comment
  SEINET4691133  Phalaris arundinacea S. C. Swift 1937-6-23 12 Modoc Alturas, grazing district # 2 1280 Comment
  CHSC27609  Phleum alpinum Robert A. Schlising 1978-7-29 3322 Modoc Warner Mountains, Pine Creek Basin, S Warner Wilderness. Meadow at streamside. Comment
  UCR34688  Phleum alpinum J. A. Harpel 1981-8-6 V- 14 Modoc Warner Mtns, South Warner Wilderness Area: E end of Patterson Lake, 7 mi NW of Eagleville 2744 Comment
  CAS-BOT-BC247597  Phleum pratense Bruce Bartholomew; Barrett Anderson 1988-7-22 4477 Modoc Vicinity of East Creak Trailhead, southern end of the Warner Mts. 2210 Comment
  CAS-BOT-BC197944  Phlox diffusa C. L. Hitchcock 1940-5-28 6730 Modoc Near Surprise, 15 mi. N of Alturas. Comment
  CAS-BOT-BC197951  Phlox diffusa C. C. (Mrs.) Bruce 1893-6-1 89 Modoc Davis Creek. Comment
  UC449711  Phlox diffusa Mrs. R. M. Austin 125 Modoc New Pine Creek Comment
  JEPS2796 Image available Phlox douglasii Mrs. C. C. Bruce 1898-7-1 2331 Modoc head Davis Creek; ; Head of Davis Creek, Modoc Co. Comment
  SEINET3145512  Phlox douglasii E. K. Balls 1950-5-10 15959 Modoc Hwy. 395, 5.5 mi NE of Alturas, 0.5 mi before junction 1524 Comment
  CAS-BOT-BC197922  Phlox douglasii subsp. rigida Elmer Ivan Applegate 1932-8-3 8127 Modoc Arid summit of Eagle Peak. 3017 Comment
  CAS-BOT-BC197938  Phlox douglasii subsp. rigida Bruce Bartholomew; Barrett Anderson 1988-6-24 4313 Modoc Road beyond Poison Lake ca. 8 km S of the road from U.S. Highway 395 to Lily Lake, Warner Mts.. 2130 Comment
  RSA271922  Phlox douglasii subsp. rigida Christopher Davidson 1975-6-4 2604 Modoc Hwy 299 (toward Cedarville), 2.2 mi. east of Hwy 395. 1500 Comment
  UC880425  Phlox douglasii subsp. rigida C. L. Hitchcock 1940-5-28 6730 Modoc 15 mi n Alturas (near Surprise) 1402 Comment
  RSA165593  Phlox douglasii subsp. rigida Clare B. Hardham 1961-6-18 7593 Modoc Warner Mountains: Headwaters Davis Creek. 2134 Comment
  UC1075747  Phlox gracilis Robert J. Weatherby 1955-7-8 1615 Modoc 7 mi n Ft. Bidwell (n Warner Mts.); Warner Mts. 1874 Comment
  UC748265  Phlox gracilis Annie M. Alexander and Louise Kellogg 1946-7-3 4900 Modoc 7 mi w Fort Bidwell; Bidwell Creek Canyon Comment
  CDA40288  Phlox gracilis T. C. Fuller 1961-5-17 6955 Modoc Between the railroad and Highway 395, 1 mile northwest of Alturas. 0 Comment
  UC1191161  Phlox gracilis Herbert L. Mason 1949-4-16 13995 Modoc e of Alturas Comment
  HSC17165  Phlox hoodii M. T. Milligan 1966-5-14 615 Modoc Plateau W of Jess Valley 1829 Comment
  CAS-BOT-BC197890  Phlox hoodii subsp. canescens Alice Eastwood; John Thomas Howell 1940-6-14 8239 Modoc Between Mammoth Cave and Lava Beds Nat. Mon. Comment
  CHSC27613  Phlox hoodii subsp. canescens Robert Schlising 1978-7-29 3328 Modoc Warner Mountains, directly E of Western Peak, just off summit of trail. 2852 Comment
  CHSC42150  Phlox hoodii subsp. canescens C. E. Leaver 1986-3-16 Modoc Ca. 10.5 mi ne of Alturas and 0.3 mi sw of Gleason Ck. 1341 Comment
  RSA647581  Phlox hoodii subsp. canescens Marion P. Harthill 1972-6-17 850 Modoc Cedar Pass 1921 Comment
  SEINET7073581  Phlox pulvinata A. G. Vestal 1955-5-18 s.n. Modoc About 3.2 miles east of Aden on Route 87. UTM Zone 10, 666674mE, 4563618mN. Coordinate datum: NAD27. Comment
  RSA60327  Phlox stansburyi E. K. Balls 1950-5-10 15958 Modoc Highway 395, 8.5 miles northeast of Alturas 1524 Comment
  CAS-BOT-BC374925  Phoenicaulis cheiranthoides Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16432 Modoc Near summit of Cedar Pass. 1920 Comment
  CAS-BOT-BC497460  Phoenicaulis cheiranthoides B. Bartholomew; M. Gilbert; L. Skog 1993-5-11 6513 Modoc 11 km S of Oregon Border along W side of Goose Lake 1440 Comment
  RSA59938  Phoenicaulis cheiranthoides E. K. Balls 1950-5-12 14646 Modoc About Bucks Creek Ranger Station, Modoc National Forest, east of Goose Lake. 1707 Comment
  UC1037470  Phoenicaulis cheiranthoides unknown 1936-6-14 8344 Modoc near summit of Cedar Pass Cedar Pass; Warner Mountains, Cedar Pass 1935 Comment
  CAS-BOT-BC247592  Phragmites australis Herbert Louis Mason 1947-8-11 13501 Modoc Hwy 81, N of Modoc-Lassen County line. Comment
  RSA639394  Pilularia americana L. C. Wheeler 1935-8-22 3911 Modoc Devil's Garden: South Mt. Reservoir. 1524 Comment
  CAS-BOT-BC73415  Pinus albicaulis Elmer I. Applegate 1932-7-31 7991 Modoc Mill Creek Meadown, head of Pit River, Warner Mountains. 2438 Comment
  UCSB31430  Pinus albicaulis Haller, John 1978-7-19 Modoc Summit ridge of Warner Mountains, 1 km. north of the Likely-Eagleville Road 2377 Comment
  CAS-BOT-BC30200  Pinus contorta subsp. murrayana Bruce Bartholomew 1990-8-5 5686 Modoc Summit Trail, ca. 2 km N of Patterson Ranger Station, W side of Warner Mts. 2400 Comment
  CAS-BOT-BC73166  Pinus jeffreyi Elmer I. Applegate 1932-8-2 8069 Modoc Mill Creek Meadows, west slope Warner Mountains. 2438 Comment
  CAS-BOT-BC30157  Pinus lambertiana Belknap C. Goldsmith 1912-7-5 62 Modoc Widow Valley, 15 mi. W of Lookout (Big Valley). 1402 Comment
  UCSB18054  Pinus monticola Haller, John 1962-6-8 Modoc Vicinity of Cave Lake, 1 mile west of Summit of New Pine Creek-Fort Bidwell Road, Warner Mountains 2072 Comment
  UC71713  Pinus ponderosa Mrs. M. H. Manning 1903-1-1 11 Modoc e slope of Warner Mts. Warner Mts. (in ne Modoc County) 1828 Comment
  NY60274  Pinus washoensis B. M. Bartholomew 1994-7-2 6821 Modoc Just north of South Fork of Davis Creek near the crest of the Warner Mountains 2300 Comment
  UC1483829  Piperia unalascensis G. Schoolcraft 1980-7-22 324 Modoc w of Lake City (about halfway up Lake City Canyon); Lake City Canyon 1889 Comment
  CAS-BOT-BC228007  Plagiobothrys Roxana S. Ferris; Rena Duthie 1919-6-15 429 Modoc By railroad tracks, Davis Creek Comment
  CAS-BOT-BC248375  Plagiobothrys L. S. Smith 1922-7-7 1260 Modoc Modoc National Forest. High Grade Hill & Dismal Swamp 2316 Comment
  UC1191841  Plagiobothrys cusickii Verne Grant and Irving Schneider 1947-7-18 8039 Modoc Eastside Canal s Alturas (5 mi n of Bayley's bridge); Eastside Canal Comment
  UC711884  Plagiobothrys hispidulus Roxana S. Ferris and Laura Lorraine 1941-8-13 10559 Modoc Patterson Ranger Station (East Creek drainage) Warner Mountains, Modoc National Forest 2164 Comment
  RSA610636  Plagiobothrys leptocladus L. C. Wheeler 1935-8-25 3917 Modoc Rim Rock Valley Reservoir, Devil s Garden 1524 Comment
  CHSC66294  Plagiobothrys mollis var. mollis Vernon H. Oswald 1996-6-27 7903 Modoc Modoc Plateau. Dorris Reservoir, Modoc National Wildlife Refuge, ca. 3 mi E of Alturas. 1335 Comment
  CAS-BOT-BC58796  Plagiobothrys mollis var. mollis Herbert Louis Mason; Verne Grant 1947-7-12 13407 Modoc W side of South Fork of Pit River Valley, SW of Alturas. Comment
  CAS-BOT-BC58747  Plagiobothrys scouleri Herbert Louis Mason; Verne Grant 1947-7-12 13421 Modoc Near S end of W side road, along railroad tracks, Pit River, S of Alturas. Comment
  CAS-BOT-BC58750  Plagiobothrys scouleri Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-15 16513 Modoc 13 mi. W of Canby, along Hwy 139. Comment
  CAS-BOT-BC58757  Plagiobothrys scouleri Alice Eastwood; John Thomas Howell 1940-6-14 8220 Modoc 8 mi. NW of Canby. Comment
  CAS-BOT-BC58761  Plagiobothrys scouleri Alice Eastwood; John Thomas Howell 1940-6-12 8082 Modoc Jess Valley. Comment
  CAS-BOT-BC58762  Plagiobothrys scouleri Herbert Louis Mason; Verne Grant 1947-7-12 13408 Modoc W side of South Fork of Pit River Valley, SW of Alturas. Comment
  POM312572  Plagiobothrys scouleri var. cusickii H. L. Mason, Verne Grant 1947-7-12 13421 Modoc Near south end of West Side Rd. along railroad tracks, Pit River Valley, south of Alturas Comment
  RSA165581  Plagiobothrys scouleri var. hispidulus Clare B. Hardham 1961-6-17 s.n. Modoc Cedar Pass Camp Ground, Warner Mountains Comment
  JEPS79217  Plagiobothrys stipitatus var. micranthus L. R. Heckard with R. C. Bacigalupi 1980-6-10 5265 Modoc about 10 mi nw Lookout (along Great Northern Railroad grades) Comment
  CHSC107383  Plagiobothrys tenellus Lowell Ahart; John Dittes 2011-6-22 17553 Modoc About 50 yards east of the road, about 100 yards northeast of the Pilot Butte Parking Lot, north edge of Ash Creek Floodplain, 1.1 miles (air) south of County Road 87, 7.7 miles (air) west of Adin, 10 miles (air) east of Lookout, Big Valley. 1264 Comment
  UC450164  Plagiobothrys tener var. tener Franklin P. Nutting Modoc Taylor Creek , Taylor Creek (Forestdale) Comment
  JEPS127303  Plantago major Lowell Ahart, John Dittes 2016-7-14 21184 Modoc South of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin Big Valley. Comment
  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
  CHSC116342  Platanthera leucostachys J. R. Keck Jr. 1985-7-11 PDR 330134 Modoc Davis Creek, Modoc National Forest. 1982 Comment
  POM107764  Platanthera leucostachys Mrs. R. M. Austin 488 Modoc Davis Creek. Comment
  CAS-BOT-BC136653  Platanthera stricta Elmer I. Applegate 1932-7-7 8230 Modoc Field redacted by CAS, contact the data manager for more information Comment
  CAS-BOT-BC242210  Platanthera stricta Leland S. Smith 1918-6-22 943 Modoc Field redacted by CAS, contact the data manager for more information 2286 Comment
  CAS-BOT-BC245395  Plectritis macrocera Bruce Bartholomew; Barrett Anderson 1988-5-13 4168 Modoc Ca. 1 km SE of Parker Creek Road on West Warner Road, W side of the Warner Mts.. 1710 Comment
  CAS-BOT-BC245404  Plectritis macrocera Bruce Bartholomew; Barrett Anderson 1989-6-3 4887 Modoc Boles Creek, ca. 5.5 km E of the SE corner of Clear Lake Reservoir. 1430 Comment
  UCR87264  Plectritis macrocera George K. Helmkamp, E. A. Helmkamp 1993-5-4 s.n. Modoc 35.6 miles NW of Canby along Calif. Hwy 139 1280 Comment
  SEINET195478  Pleiacanthus spinosus Annie M. Alexander, Louise Kellogg 1946-7-5 5910 Modoc Lava Cliff west Lower Lake Comment
  UCD133576  Pleiacanthus spinosus Beecher Crampton 1954-7-7 2150 Modoc 3 miles west of Cedarville, east side of Cedar Pass. 1615 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
  SD96114  Poa cusickii Jack L. Reveal 1976-6-2 1839 Modoc Modoc National Forest near Perez 1280 Comment
  CHSC85106  Poa cusickii subsp. epilis John Dittes; Josephine Guardino 1991-7-21 436 Modoc Modoc Plateau; Big Valley; Ash Creek Wildlife Area; ca. 5.7 air-miles northeast of Bieber, ca. 7.6 air-miles west of Adin, ca. 1.5 air-mile southeast of Pilot Butte summit; meadow at northern edge of Ash Creek Floodplain (Big Swamp) at southeast base of Pilot Butte. 1258 Comment
  UC1025014  Poa palustris Leo Whitney 1935-7-13 3493 Modoc Alturas Comment
  HSC10760  Poa pratensis M. T. Milligan 1965-6-26 346 Modoc E slope of eroded volcanic plateau. 1677 Comment
  UCD91876  Poa pratensis Beecher Crampton 1954-7-7 2145 Modoc east side of Cedar Pass, Warner Mountains, 3 miles west of Cedarville. Comment
  UC1024861  Poa pratensis subsp. pratensis Leo Whitney 1935-6-1 3169 Modoc 1 mi sw White Horse Comment
  POM260253  Poa secunda C. L. Hitchcock 1940-5-28 6725 Modoc 15 miles N of Alturas. 1402 Comment
  RSA27942  Poa secunda A. S. Hitchcock 1940-5-28 6725 Modoc 15 miles north of Alturas 1402 Comment
  UCD92435  Poa secunda subsp. juncifolia L. Whitney 1935-7-23 s.n. Modoc Near Happy Camp. Comment
  CAS-BOT-BC247604  Poa secunda subsp. secunda Alan Ackerman Beetle 1941-6-29 2827 Modoc Near summit of Cedarville Pass. 2118 Comment
  CAS-BOT-BC247661  Poa secunda subsp. secunda C. L. Hitchcock 1940-5-27 6732 Modoc 12 mi. NE of Alturas. 1615 Comment
  CAS-BOT-BC247674  Poa secunda subsp. secunda Bruce Bartholomew 1990-6-17 5320 Modoc E side of Surprise Valley, 9.6 km E of Eagleville at the Nevada border. 1580 Comment
  UC1024719  Poa secunda subsp. secunda Leo Whitney 1935-5-18 3083 Modoc ca 15 mi nw Canby (Lake Joaquina, Hackamore); Modoc Nat'l Forest 1463 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
  UC1025015  Poa secunda subsp. secunda Leo Whitney 1935-7-13 3495 Modoc ca 17 mi n Canby (Badger Wells) Comment
  UC70658  Poa secunda subsp. secunda Mrs. M. H. Manning May 1904 425 Modoc ne Modoc County Comment
  UC711843  Poa secunda subsp. secunda Roxana S. Ferris and Laura Lorraine 1941-8-14 10582 Modoc 3 mi from on rd to Eagleville Patterson Ranger Station; Modoc Nat'l Forest, Warner Mts Comment
  CAS-BOT-BC252515  Poa wheeleri Bruce Bartholomew 1991-6-20 5789 Modoc Top of Fox Mountain, ca. 10 airline km NW of Adin. 1900 Comment
  HSC65262  Poa wheeleri J. P. Smith, J. O. Sawyer 1973-8-8 7228 Modoc Near summit of Eagle Peak 2988 Comment
  CAS-BOT-BC179347  Pogogyne floribunda James D. Jokerst 1990-7-31 3204 Modoc Ca. 2 mi. SE of Doublehead Mountain. 1371 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
  CAS-BOT-BC6504  Pogogyne floribunda James D. Jokerst 1990-7-31 3205 Modoc Modoc National Forest, Devils Garden Ranger District (south of Clear Lake) 1371 Comment
  RSA551273  Pogogyne floribunda Bruce Bartholomew 1991-8-4 6021 Modoc 3.2 km S of Drift Fence Tank on road to Mud Lake. 1580 Comment
  UC1597730 Image available Pogogyne floribunda J. D. Jokerst 1990-7-31 3205 Modoc about 1.5 mi se Doublehead Mountain (n and adjacent to dirt road and 0.25 mi w of a n-s oriented fenceline through the center of section 13, s of Clear Lake); Modoc National Forest, Devils Garden Ranger District 1371 Comment
  CAS-BOT-BC95163  Polanisia dodecandra subsp. trachysperma Leland S. Smith 1918-9-29 1057 Modoc Granger Canyon, Suprise Valley. 1676 Comment
  CAS-BOT-BC197848  Polemonium micranthum Bruce Bartholomew; Barrett Anderson 1988-5-12 4114 A Modoc S side of Egg Lake. 1300 Comment
  CAS-BOT-BC263237  Polemonium micranthum R. Stubbs 2010-5-8 005 Modoc Modoc National Forest Rush Creek off of CA-299 1502 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
  JEPS69908  Polemonium micranthum B. C. Goldsmith 1912-5-1 Modoc Alturas Comment
  CAS-BOT-BC197857  Polemonium occidentale Bruce Bartholomew 1991-8-6 6086 Modoc S Emerson Trail at stream between S Fork of Emerson Creek and Bearcamp Trail, Warner Mts. 2130 Comment
  HSC17207  Polemonium occidentale subsp. occidentale M. T. Milligan 1966-7-5 554 Modoc Slopes and ridges E of Jess Valley 1768 Comment
  SEINET4557492  Polemonium pulcherrimum Annie M. Alexander, Louise Kellogg 1946-1 5106 Modoc North slope of peak rooting under rocks. Comment
  NY404673  Polygonum austiniae R. M. Austin 1886-1 s.n. Modoc Comment
  NY404654  Polygonum aviculare subsp. buxiforme L. C. Wheeler 1973-8-23 s.n. Modoc Alturas Comment
  UC6665  Polygonum bistortoides Milo S. Baker Jun 19 1893-Jul 8 1893 Modoc Comment
  RSA210875  Polygonum buxiforme Robert F. Thorne 1969-9-4 39076 Modoc E shore of Goose Lake at Willow Ranch. 1433 Comment
  CAS-BOT-BC218125  Polygonum douglasii Bruce Bartholomew; Barrett Anderson 1990-7-19 5403 Modoc Turner Creek at County Rd 90, N end of Big Valley, 6.4 km N of Lassen County border. 1230 Comment
  SEINET516151  Polygonum douglasii Vernon H. Oswald 1998-9-8 9589 Modoc County Rd. 93 adjacent to the RR at Lookout Junction northwest of Lookout. 1280 Comment
  POM319195  Polygonum douglasii Patricia Wilder 1971-6-20 5073 Modoc North part of Egg Lake (now a meadow), northwest of Lookout; north of Bieber and California State Highway 299; Modoc National Forest. Cascades Mt. Range. 1372 Comment
  JEPS51293  Polygonum douglasii subsp. douglasii Leland S. Smith 1918-7-11 986 Modoc Mill Creek Meadows Modoc <National> Forest 1981 Comment
  UC526134  Polygonum douglasii subsp. douglasii John Thomas Howell 1934-6-30 12276 Modoc Duncan Horse Camp Comment
  CHSC71884  Polygonum douglasii subsp. spergulariiforme Vernon H. Oswald; Lowell Ahart 1998-9-8 9590 Modoc County Rd. 93 adjacent to the RR at Lookout Junction northwest of Lookout. 1280 Comment
  SEINET3087353 Image available Polygonum douglasii var. johnstonii Arnold Tiehm 1984-6-30 8841 Modoc Northwest side of Bidwell Mountain, 2.8 road miles north of 8 mile creek on the road from Lake Annie 1829 Comment
  RSA323752  Polygonum kelloggii A. Tiehm 1984-7-30 8829 Modoc 8.9 road miles NE of Ft. Bidwell on the main road to Adel, just past the road summit. 1616 Comment
  NY412807  Polygonum kelloggii var. kelloggii B. M. Bartholomew 1988-5-12 4097 Modoc White Horse 15' Quad. 1340 Comment
  CAS-BOT-BC218164  Polygonum polygaloides Bruce Bartholomew; Barrett Anderson 1989-6-3 4851 Modoc 6.4 km N of State Hwy 299 on Crowder Flat Road and ca. 5.5 km S of Big Sage Reservoir. 1550 Comment
  CAS-BOT-BC218171  Polygonum polygaloides subsp. confertiflorum Alice Eastwood; John Thomas Howell 1940-6-14 8210 Modoc 8 mi. NW of Canby. Comment
  CHSC67588  Polygonum polygaloides subsp. confertiflorum James D. Jokerst 1990-8-2 3214 Modoc S of Hwy. 139 NW of Canby, 4.7 mi W of junction with Loveness Rd. Comment
  UCD77954  Polygonum polygaloides subsp. confertiflorum Robert E. Preston 2000-7-18 1398 Modoc Ca. 12 mi nw of Canby, along Hwy 139, 1.6 mi e of Forest Service Rd 44N11. 1490 Comment
  CAS-BOT-BC218169  Polygonum polygaloides subsp. confertiflorum Herbert Louis Mason 1957-6-21 14706 Modoc West side of Said Valley. Comment
  JEPS19796  Polygonum polygaloides subsp. confertiflorum Rimo Bacigalupi with S. Galen Smith 1957-6-27 5982 Modoc about 9 mi nw of Canby (along State Highway 139); State Highway 139 1584 Comment
  OBI70749  Polygonum polygaloides subsp. confertiflorum Louis C. Wheeler 1973-8-22 s.n. Modoc Devils Garden: Ca. 1/4 mi SW of Big Sage Reservoir. T43N R12E sec 18 Comment
  SD215624  Polygonum polygaloides subsp. confertiflorum Louis C. Wheeler 1935-8-22 Modoc Devil's Garden; ca. 0.25 mile southwest of Big Sage Reservoir. Comment
  UC1111535  Polygonum polygaloides subsp. confertiflorum H. L. Mason 1957-6-21 14706 Modoc Said Valley; w side Comment
  UC6711  Polygonum polygaloides subsp. confertiflorum Mrs. R. M. Austin June, 1894 Modoc lava beds w Willow Creek Comment
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Jul 6 2010
  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
  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
  UCR101769  Polygonum polygaloides subsp. esotericum L. C. Wheeler 1935-8-25 3919 Modoc Devil's Garden; Rimrock Valley Reservoir 1524 Comment
  JEPS50546  Polygonum polygaloides subsp. kelloggii Leland S. Smith 1260 Modoc High Grade District Warner Mts., Modoc National Forest 2316 Comment
  HSC81006  Polygonum sawatchense subsp. sawatchense G. M. Riegel 1979-8-11 638 Modoc S Warner Mtns. 2100 Comment
  POM313141  Polypogon interruptus Malcolm A. Nobs, S. Galen Smith 1949-7-20 1052 Modoc 4 miles west of Adin. Comment
  CHSC106191  Polypogon monspeliensis Lowell Ahart; John Dittes 2010-8-31 17134 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
  HSC10822  Polypogon monspeliensis M. T. Milligan 1964-8-21 229 Modoc South end of Dorris Resvr. Dam. Comment
  JEPS127292  Polypogon monspeliensis Lowell Ahart, John Dittes 2016-7-14 21210 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
  JEPS74064  Polypogon monspeliensis Frances D. Payne 1935-7-28 805 Modoc s and e Alturas (hills n Parker Creek); Warner Mountains, hills n Parker Creek Comment
  UC1025022  Polypogon monspeliensis Leo Whitney 1935-7-17 3513 Modoc Hackamore Lake Joaquina (ca 15 mi nw of Canby, Modoc National Forest); Modoc National Forest, , Hackamore 1463 Comment
  JEPS48052  Populus tremuloides Frances D. Payne 1931-7-5 326 Modoc s and e of Alturas (Warner Mountains, Parker Creek); Warner Mountains, Parker Creek 1584 Comment
  RSA59861  Populus trichocarpa E. K. Balls 1950-5-11 14610 Modoc W of Middle Lake. Between Eagleville and Cedarville. 1433 Comment
  UC1192035  Porterella carnosula Herbert L. Mason 1947-8-12 13502 a Modoc Alturas junction of North and South Forks of Pit River (junction of North and South Forks of Pit River) Comment
  UC1099887  Potamogeton diversifolius Herbert L. Mason, Verne Grant 1947-7-10 13349 Modoc 2 mi e Alturas; Dorris Reservoir Comment
  RSA577453  Potamogeton epihydrus L. C. Wheeler 1935-9-12 3976 Modoc Fletcher Creek at Pease Place, Devil s Garden. 1524 Comment
  RSA577887  Potamogeton epihydrus L. C. Wheeler 1935-10-6 4023 Modoc Lily Lake, Pine Creek. (Mt. Diablo Mer.) 2073 Comment
  CAS-BOT-BC242241  Potamogeton foliosus Verne Grant; I. Schneider 1947-7-22 8153 Modoc Headwaters of North Fork of Pit River, 1 mi. NW of Hwy 395 on dirt road leading to S end of Goose Lake. Comment
  POM229195  Potamogeton foliosus L. C. Wheeler 1935-9-1 3933 Modoc Pine Spring, Devil s Garden. 1524 Comment
  RSA210807  Potamogeton foliosus Robert F. Thorne, J. Henrickson, C. W. Tilforth 1969-9-4 39095 Modoc N Fork of Pit River 3.4 mi N of Alturas where crossed by Highway 395. 1341 Comment
  UC441324  Potamogeton foliosus Milo S. Baker 1899-8-24 Modoc Carmichaels Mill Big Valley Comment
  JEPS102211  Potamogeton gramineus J. Greenhouse 2001-6-11 5018 Modoc Small pond on N side of Forest Rd. 42N60 (Loveness Rd.) a few miles W of Hwy 139, about 9 mi NW of Canby. Comment
  CAS-BOT-BC242232  Potamogeton natans Milo Samuel Baker 1899-8-12 s.n. Modoc Egg Lake. Comment
  JEPS42969  Potamogeton natans W. L. Jepson 1918-8-10 7926 Modoc near Alturas 1371 Comment
  SEINET5335352  Potamogeton natans M. S. Baker 1899-8-12 s.n. Modoc Egg Lake Comment
  SEINET5335353  Potamogeton natans M. S. Baker 1899-8-12 s.n. Modoc Egg Lake Comment
  UC1751036  Potamogeton nodosus Annetta M. Carter 1946-8-18 1773 Modoc Canby Creek W of Canby. Comment
  SEINET10913212  Potamogeton nodosus Milo S. Baker 1899-8-24 Baker s.n. Modoc In Pit River at Sookout. Comment
  SEINET5335355  Potamogeton nodosus M. S. Baker 1899-8-24 s.n. Modoc In Pit River at Lookout Comment
  UC1100066  Potamogeton nodosus Verne Grant, Irving Schneider 1947-7-20 8091 Modoc on road from Alturas to Dorris Reservoir Comment
  UCD138296  Potamogeton richardsonii Herbert L. Mason; Verne Grant 1947-7-11 13380 Modoc on road from Likely to Jess Valley, ca. 1 mile east of Likely. Comment
  UC1100089  Potamogeton zosteriformis Verne Grant, Irving Schneider 1947-7-18 8052 Modoc 3 mi n of Bayley's Bridge (in Pit River Valley s of Alturas); Pit River Valley Comment
  RSA233766  Potentilla biennis Robert F. Thorne 1969-9-5 39172 Modoc Modoc National Forest, Warner Mts, along Fall Creek below Falls. 1738 Comment
  CAS-BOT-BC214742  Potentilla breweri Bruce Bartholomew; Barrett Anderson 1988-7-22 4543 Modoc Benton Meadow, Warner Mts.. 2180 Comment
  CAS-BOT-BC214747  Potentilla breweri Francis Dorris Payne 1932-7-1 656 Modoc Pine Creek Basin, Warner Mts. Comment
  RSA612793  Potentilla bruceae Louis C. Wheeler 1935-8-1 3734 -B Modoc Dismal Swamp, Twenty Mile Creek, Warner Mountains. 2226 Comment
  RSA520455  Potentilla fruticosa K. Paulson 1990-7-2 212 Modoc Dismal Swamp, Warner Mts. 2195 Comment
  UCR270416  Potentilla glandulosa John F. Emmel 2000-8-3 1683 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
  RSA164422  Potentilla glandulosa subsp. ashlandica Clare B. Hardham 1961-6-20 7881 Modoc Mt. Bidwell Dismal Swamp road 2439 Comment
  HSC18783  Potentilla glaucophylla var. glaucophylla M. T. Milligan 1964-7-25 182 Modoc Pine Creek Basin, along trail. 2439 Comment
  CAS-BOT-BC214783  Potentilla gracilis Bruce Bartholomew 1991-7-4 5914 Modoc Roney Flat. 1460 Comment
  CAS-BOT-BC214792  Potentilla gracilis Roxana Stinchfield Ferris; R. Duthie 1919-6-14 37 Modoc Parker Creek at Modoc Nat. Forest. Comment
  HSC65387  Potentilla gracilis Thomas Wood 1979-8-8 219 Modoc About 1.2 mi. S and then shortly W of Ft. Bidwell, along Hwy. 1 1372 Comment
  UC420583  Potentilla gracilis var. flabelliformis W. P. Taylor and H. C. Bryant 1910-7-11 Modoc Alturas Warner Mountains, South Fork Pitt River (South Fork Pitt River) 1402 Comment
  CAS-BOT-BC214797  Potentilla millefolia Annie Montague Alexander; L. Kellogg 1946-6-18 4799 Modoc Silver Creek branch of Patterson Mill road. 1828 Comment
  CAS-BOT-BC143313  Potentilla newberryi Verne Grant; Irving Schneider 1947-8-27 8313 Modoc Southwest end of Clear Lake Comment
  CHSC117253  Potentilla rivalis Lowell Ahart; John Dittes 2016-7-14 21196 Modoc West of a new pond, south of Ash Creek Canal (now filled in), south of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. 1273 Comment
  CAS-BOT-BC225019  Poteridium annuum R. K. Gierisch; D. H. Esplin 1969-7-17 3551 Modoc Shields Creek. 1524 Comment
  CAS-BOT-BC225024  Poteridium annuum K. Paulson; Robert Paulson 1988-6-19 42 Modoc W of Cranby Bridge. 1310 Comment
  UCD38340  Poteridium annuum Beecher Crampton; with Carl Rimbey 1954-7-7 2141 Modoc Warner mountains, west side of Cedar Pass. Comment
  CDA40759  Prunella vulgaris subsp. lanceolata G. D. Barbe, John Kelley 1988-7-2 4301 Modoc Modoc National Wildlife Refuge, southeast of Alturas. 0 Comment
  POM89357  Prunus emarginata R. M. Austin 1895-06 59 Modoc Ross Canyon Comment
  UC748477  Prunus emarginata Annie M. Alexander and Louise Kellogg 1946-6-8 4705 Modoc road to Patterson Mill from Eagleville (e slope of Warner Mountains); Warner Mountains 2194 Comment
  CAS-BOT-BC214815  Prunus subcordata Elmer Ivan Applegate 1932-8-6 8205 Modoc Near Cedarville, Surprise Valley. Comment
  CAS-BOT-BC214825  Prunus subcordata John Thomas Howell 1934-6-12 12012 Modoc Between Davis Creek and Plum Valley. Comment
  HSC27163  Prunus subcordata J. P. Smith, J. O. Sawyer 1972-5-6 5280 Modoc 2.8 mi. from jct. with Hwy. 395 on rd. between Davis Creek and Fandango Valley 1524 Comment
  POM88418  Prunus subcordata R. M. Austin 1895-1 41 Modoc Goose Lake (Ross Canyon). Comment
  UC1075726  Prunus subcordata Robert J. Weatherby 1955-7-8 1630 Modoc 6 mi N of Ft. Bidwell; Warner Mountains 1645 Comment
  UC467872  Prunus subcordata Belknap C. Goldsmith 1911-5-21 22 Modoc county road near Goose Lake (Modoc National Forest); Modoc National Forest 1463 Comment
  UC711842  Prunus subcordata Roxana S. Ferris and Laura Lorraine 1941-8-14 10621 Modoc Summit of Fandago Pass (on road between Fort Bidwell and Pine Creek); Modoc National Forest, Warner Mountains 1889 Comment
  UC466757  Prunus subcordata M. F. Gilman 529 Modoc 1524 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
  CAS-BOT-BC225014  Prunus virginiana var. demissa Roxana Stinchfield Ferris; R. Duthie 1919-6-14 129 Modoc Parker Creek below Modoc Nat. Forest Boundary. Comment
  CAS-BOT-BC225016  Prunus virginiana var. demissa A. D. Borden 1911-8-9 Modoc S slope of Shields Creek. Comment
  UC1024989  Pseudoroegneria spicata subsp. spicata Leo Whitney 1935-7-11 3455 Modoc 15 mi nw of Canby (Modoc National Forest, Hackamore); Modoc National Forest, Hackamore 1463 Comment
  CAS-BOT-BC95220  Pseudostellaria jamesiana Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10513 Modoc Patterson Ranger Station (East Creek drainage), Warner Mts. 2164 Comment
  CAS-BOT-BC95227  Pseudostellaria jamesiana John Thomas Howell 1934-6-13 12052 Modoc Fandango Pass, Warner Mts. 1828 Comment
  CAS-BOT-BC95231  Pseudostellaria jamesiana Bruce Bartholomew; Barrett Anderson 1988-7-21 4455 Modoc Vicinity of Patterson Campground, southern end of the Warner Mts. 2190 Comment
  NY1083722  Pseudostellaria jamesiana C. L. Hitchcock 1940-5-27 6679 Modoc 15 miles northeast of Alturas 1615.4 Comment
  RSA27379  Pseudostellaria jamesiana C. L. Hitchcock 1940-5-27 6679 Modoc 15 miles northeast of Alturas. 1616 Comment
  UC705682  Pseudostellaria jamesiana Marion Ownbey and Fred G. Meyer 1940-7-1 2142 Modoc Cedar Peak , Cedar Peak (Warner Mts.) Comment
  UCD135274  Psilocarphus brevissimus Herbert L. Mason; Verne Grant 1947-7-10 13328 Modoc Dorris Reservoir, 2 miles east of Alturas. Comment
  CAS-BOT-BC50383  Psilocarphus brevissimus var. brevissimus Bruce Bartholomew; Barrett Anderson 1988-6-23 4249 Modoc 4.2 km NW of Day. 1020 Comment
  JEPS114689  Psilocarphus brevissimus var. brevissimus Lowell Ahart, John Dittes 2008-6-21 14986 Modoc Bottom of a large vernal pool, about 50 yards northwest of a large culvert, about 25 yards west of the large levee, in Big Valley, about 2.8 miles (air) north of the Headquarters at Ash Creek State Wildlife Area, about 5.4 miles (air) northeast of Bieber 1255 Comment
  CAS-BOT-BC95683  Pterospora andromedea Bruce Bartholomew; Barrett Anderson 1988-7-21 4436 Modoc Above Upper Rush Creek Campground ca. 4 km E of State Highway 299 between Adin and Canby. 1580 Comment
  RSA467855  Pterospora andromedea J. P. Smith, J. O. Sawyer, Smith 1973-8-9 7255 Modoc Around the shore of Blue Lake, Modoc National Forest. 1829 Comment
  UCD91527  Puccinellia distans Beecher Crampton 1954-7-6 2083 -A Modoc Along U. S. Hwy. 395. 4 miles north of Likely. Comment
  RSA26258  Puccinellia lemmonii Alice Eastwood, J. T. Howell 1940-6-11 8020 Modoc Near Canby Comment
  UCD35723  Purshia tridentata Beecher Crampton 1960-6-17 5681 Modoc 5 miles south of Perez, Plant Quarantine Station area. 1371 Comment
  HSC80701  Purshia tridentata var. tridentata G. M. Riegel 1979-7-10 448 Modoc S Warner Mtns. 1670 Comment
  POM90212  Purshia tridentata var. tridentata R. M. Austin 1895-06 54 Modoc Goose Lake. Ross Canyon. Comment
  JEPS58817  Pyrola dentata Milo S. Baker 1893-7-20 Modoc Near Forestdale Comment
  CAS-BOT-BC95694  Pyrola picta Annie Montague Alexander; L. Kellogg 1946-8-8 5119 Modoc End of Portal Reservation Road, Deep Canyon. Comment
  SJSU9693  Pyrola picta W. Savage 1979-7-20 1550 Modoc Oregon Rim Unit, Devils Garden District, 0.5 mi S of Oregon state line, Modoc National Forest 1645 Comment
  CAS-BOT-BC50394  Pyrrocoma carthamoides var. cusickii Bruce Bartholomew; Barrett Anderson 1990-7-20 5461 Modoc 4 km N of Buck Creek Ranger Station at turn off to Del Prat Spring, W side of Warner Mts. 1900 Comment
  CHSC114014  Pyrrocoma carthamoides var. cusickii L. P. Janeway 2014-7-7 11441 Modoc Warner Mountains. East side of crest of Warner Mountains 2.3 air-km east of Cedar Pass; along Road 43N07 1.4 road-km east of Stough Reservoir. 2000 Comment
  JEPS74349  Pyrrocoma carthamoides var. cusickii L. R. Heckard, T. I. Chuang, and R. Bacigalupi 1974-7-24 3768 Modoc 3.5 mi n Cedar Pass (along forest service road); Warner Mts. 2042 Comment
  SJSU9381  Pyrrocoma carthamoides var. cusickii W. Savage 1979-7-3 1295 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  UCR163908  Pyrrocoma carthamoides var. cusickii Jim Andre 1993-6-30 1403 Modoc Modoc Plateau, about 10 miles NW of Canby on Hwy 139, near NW end of Oak Ridge 1494 Comment
  UCR198259  Pyrrocoma carthamoides var. cusickii G. D. Barbe 1991-8-27 4443 Modoc Modoc Plateau, Warner Mountins 2317 Comment
  UC891896  Pyrrocoma carthamoides var. cusickii Lewis S. Rose 1940-6-14 40565 Modoc Kelly Hot Springs 1341 Comment
  CAS-BOT-BC50355  Pyrrocoma lanceolata var. lanceolata Alice Eastwood; John Thomas Howell 1940-6-12 8033 Modoc Likely. Comment
  UC296012  Pyrrocoma lanceolata var. subviscosa H. M. Hall 1925-8-30 12211 Modoc about 1 mi s Alturas Comment
  JEPS55043  Ranunculus andersonii Leland S. Smith c. 1918 795 1/2 Modoc Jess Valley Comment
  JEPS81763  Ranunculus andersonii Mary H. Manning Modoc Comment
  SEINET5338403  Ranunculus aquatilis E. K. Balls 1950-5-18 14765 Modoc Just south of Adin, in city limit, by turn to Madeline off Hwy. 299. 1280 Comment
  CAS-BOT-BC217262  Ranunculus aquatilis var. aquatilis Robert Folger Thorne; C. W. Tilforth 1969-9-5 39171 Modoc Clear Lake, Warner Mountains. 1767 Comment
  UC480881  Ranunculus aquatilis var. capillaceus Milo S. Baker Modoc Forestdale Comment
  RSA125296  Ranunculus aquatilis var. hispidulus Peter H. Raven 1958-6-18 13324 Modoc Small lake at eastern outskirts of lookout Post Office. Comment
  SEINET12087539  Ranunculus austinae R. M. Austin 1894-1 s.n. Modoc E of Willow Creek Comment
  CAS-BOT-BC217233  Ranunculus cymbalaria Roxana Stinchfield Ferris; L. Lorraine 1941-8-14 10602 Modoc 8.5 mi. from Patterson Ranger Station on Eagleville road, Warner Mts. Modoc National Forest Comment
  CHSC115555  Ranunculus cymbalaria Lowell Ahart; John Dittes 2015-7-16 20377 Modoc North edge of Ash Creek (destroyed), southeast of the gravel pit (destroyed), about 1/8 mile east of the parking area on the east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  NY494386  Ranunculus cymbalaria L. C. Wheeler 1935-8-3 3769 Modoc Pine Creek, Warner Mountains 1554.5 Comment
  UCR133562  Ranunculus cymbalaria var. saximontanus Mrs. R. M. Austin 1895-1 166 Modoc Goose Lake 1433 Comment
  UC1051435  Ranunculus cymbalaria var. saximontanus Herbert L. Mason 1955-8-14 14661 Modoc n Rim Rock Valley Reservoir; Drift Fence Reservoir Comment
  JEPS55077  Ranunculus glaberrimus Leland S. Smith 1918-3-21 915 Modoc near Alturas; Juniper Flats 1371 Comment
  JEPS60680  Ranunculus glaberrimus B. M. Payne 1930-3-29 346 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  UC9439  Ranunculus glaberrimus Mrs. R. M. Austin and Bruce May 1898 2299 Modoc Goose Lake; fields Comment
  CAS-BOT-BC217245  Ranunculus glaberrimus var. glaberrimus F. Angwin 1946-4-21 Modoc Stone Coal Canyon, near Adin. 1280 Comment
  CAS-BOT-BC217178  Ranunculus occidentalis Bruce Bartholomew; Barrett Anderson 1989-6-3 4885 Modoc Boles Creek, ca. 5.5 km E of the SE corner of Clear Lake Reservoir. 1430 Comment
  POM99368  Ranunculus occidentalis var. eisenii R. M. Austin 1895-06 52 Modoc Goose Lake Valley. Comment
  CAS-BOT-BC217181  Ranunculus occidentalis var. occidentalis John Thomas Howell 1934-7-1 12305 Modoc Duncan Horse Camp. 1355 Comment
  HSC18161  Ranunculus occidentalis var. occidentalis M. T. Milligan 1966-5-14 618 Modoc Plateau W of Jess Valley 1829 Comment
  CAS-BOT-BC217195  Ranunculus sceleratus var. multifidus Elmer Ivan Applegate 1897-6-5 968 Modoc Near Alturas. Comment
  POM269753  Ranunculus sceleratus var. multifidus Louis C. Wheeler 1935-8-3 3762 Modoc Warner Mountains: Pine Creek. 1738 Comment
  CAS-BOT-BC217167  Ranunculus uncinatus Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10547 Modoc Patterson Ranger Station (East Creek drainage), Warner Mts. Modoc National Forest 2164 Comment
  RSA152697  Ranunculus uncinatus I. L. Wiggins, Dorothy B. Wiggins 1961-6-12 16395 Modoc Margin of marshy area along Thomas Creek, 6.1 miles E of California Hwy 299, on road to Cedarville Comment
  CAS-BOT-BC225861  Ribes aureum Roxana Stinchfield Ferris 1951-9-14 12465 Modoc E face of Warner Mtns. at California line between Adel, Oregon and Fort Bidwell. Comment
  NY454719  Ribes aureum B. M. Bartholomew 1988-5-14 4188 Modoc 2 km south of McGinty Point, edge of causeway across the southwest corner of Goose Lake 1430 Comment
  UC71821  Ribes aureum Mrs. M. H. Manning 1903-4 95 Modoc valley near Fort Bidwell Comment
  CAS-BOT-BC225874  Ribes cereum Milo Samuel Baker 1893-6-1 s.n. Modoc Lava Beds. Comment
  CAS-BOT-BC225882  Ribes cereum Elmer Ivan Applegate 1932-7-9 7570 Modoc North slope of Bidwell Mountain, Warner Mts. Comment
  RSA165507  Ribes cereum Clare B. Hardham 1961-6-18 7571 Modoc Mts S of summit of Cedar Pass. Comment
  SBBG2754  Ribes cereum H. and M. Dearing 1939-6-8 3606 Modoc Lily Lake, Warner Mtns 2133 Comment
  UC11502  Ribes cereum Milo S. Baker 1893-8-10 Modoc Lava Beds Comment
  UC585196  Ribes cereum G. L. Stebbins Jr. and E. B. Babcock 1936-6-9 1813 Modoc near Cedarville (e end of Bonner Grade) 1600 Comment
  UC748480  Ribes cereum Annie M. Alexander and Louise Kellogg 1946-6-27 4849 Modoc 2 mi by road Dismal Swamp (top of ridge, Highgrade); Warner Mountains 2377 Comment
  CAS-BOT-BC225900  Ribes montigenum Margaret J. Williams 1984-6-29 84- 71 -2 Modoc Lily Lake, W side of Warner Mts. 2072 Comment
  CAS-BOT-BC225908  Ribes montigenum Annie Montague Alexander; L. Kellogg 1946-6-25 4822 Modoc Dismal Swamp, N end of Warner Mts. 2255 Comment
  RSA0021948  Ribes montigenum A. M. Alexander, Louise Kellogg 1946-6-25 4822 Modoc Dismal Swamp, north end of Warner Mountains. 2256 Comment
  UC11478  Ribes roezlii var. roezlii Milo S. Baker 1893-6-12 Modoc Comment
  CAS-BOT-BC225933  Ribes viscosissimum Elmer Ivan Applegate 1932-7-7 8222 Modoc Just above Lily Lake, Bidwell Pass, Warner Mts. Comment
  JEPS43510  Ribes viscosissimum Frances D. Payne 1929-7-7 50 Modoc 2 mi sw Mt. Warren; Warner Mts., Pine Creek Basin 2133 Comment
  OBI48067  Ribes viscosissimum Rhonda Riggins 1989-4-28 1668 Modoc Pencil rd, 4.4 mi N of hwy 395 E of Alturas 1524 Comment
  SEINET188375 Image available Ribes viscosissimum C. L. Hitchcock 1940-5-27 6694 Modoc 15 miles northeast of Alturas 1615 Comment
  RSA0020905  Ribes viscosissimum K. Paulson, R. Paulson 1989-6-21 145 Modoc Pine Creek Basin, W side of the Warner Mountains. 2110 Comment
  CAS-BOT-BC50327  Rigiopappus leptocladus Bruce Bartholomew 1991-7-5 5930 Modoc Vicinity of Cow Head Spring between Dorris Bothers Reservoir and Cow Head Tank. 1510 Comment
  UC35863  Rigiopappus leptocladus Mrs. R. M. Austin June 1894 Modoc near Emigrant Springs; Lava Beds Comment
Read comments
May 28 2006
  JEPS53835  Rorippa W. L. Jepson 1918-8-7 7902 Modoc North Fork Bidwell Creek Mt. Bidwell, North Fork Bidwell Creek 1828 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
  CDA37713  Rorippa austriaca Breckenridge/Filippini 2007-6-14 s.n. Modoc South of Alturas, on Jones Lane. 0 Comment
  UCD115244  Rorippa austriaca Robbins; Raynor 1943-6-1 s.n. Modoc Corporation Ranch in Likely. Comment
  CHSC67354  Rorippa columbiae James D. Jokerst 1986-8-10 2755 Modoc Radar Site Survey S of Doublehead Mtn., Rimrock Lake. 1341 Comment
  CAS-BOT-BC58410  Rorippa columbiae Leland S. Smith 1920-7-14 1189 Modoc Marlin. 1371 Comment
  CAS-BOT-BC58417  Rorippa curvisiliqua Reed Clark Rollins; Kathryn W. Rollins 1983-7-6 83229 Modoc Above Widow Valley, ca. 3 mi E of Day. Comment
  JEPS53857  Rorippa curvisiliqua Milo S. Baker 1893-6-4 Modoc Little Hot Springs Valley Comment
  SEINET11261958  Rorippa curvisiliqua Margaret J. Williams 1984-6-30 54- 80 -3 Modoc Near a reservoir 6.8 mi W of Cedarville-Gerlach road.; 0 1981 Comment
  CAS-BOT-BC58455  Rorippa nasturtium-aquaticum Bruce Bartholomew; Barrett Anderson 1988-7-22 4549 Modoc Stough Reservoir between Alturas and Cedarville, Warner Mts.. 2000 Comment
  UC1191534  Rorippa nasturtium-aquaticum Verne Grant and Irving Schneider 1947-7-19 8078 Modoc in Pit Valley s Alturas (Williams Ranch, along Southern Pacific right-of-way near East Canal); Pit Valley s of Alturas Comment
  UC1191427  Rorippa palustris Verne Grant and Irving Schneider 1947-8-28 8341 Modoc nw Alturas; Jack Swamp, nw of Alturas Comment
  CAS-BOT-BC95041  Rorippa sinuata Annie Montague Alexander; L. Kellogg 1946-6-20 4811 Modoc Eagleville. 1440 Comment
  POM312889  Rosa woodsii subsp. ultramontana Verne Grant, Irving Schneider 1947-7-18 8045 Modoc E side Canal, 5 miles N of Bayley's bridge, S of Alturas. Comment
  RSA210881  Rosa woodsii subsp. ultramontana Robert F. Thorne, James Henrickson, C. W. Tilforth 1969-9-4 39086 Modoc N Fork of Pit River 3.4 mi N of Alturas where crossed by Highway 395. 1341 Comment
  CAS-BOT-BC218253  Rosa woodsii var. ultramontana Fred. P. Cronemiller 1919-6-14 26 Modoc Deep Creek. 1524 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
  UC1075761  Rosa woodsii var. ultramontana Robert J. Weatherby 1955-7-8 1627 Modoc 5 mi n Ft. Bidwell; no. Warner Mts. 1783 Comment
  UC201726  Rosa woodsii var. ultramontana W. P. Taylor and H. C. Bryant 1910-6-25 Modoc Parker Cr. Warner Mountains 1676 Comment
  CAS-BOT-BC218266  Rubus parviflorus Bruce Bartholomew 1989-7-14 4929 Modoc Along Rush Creek between Lower and Upper Rush Creek Campgrounds. 1580 Comment
  UC12959  Rubus parviflorus Mrs. R. M. Austin and Bruce June 1898 Modoc Lake City Canyon Comment
  UC12970  Rubus parviflorus Baker and Nutting Modoc Comment
  CAS-BOT-BC211336  Rumex acetosella Bruce Bartholomew 1992-5-16 6314 Modoc Wet pasture just E of the town of Davis Creek. 1480 Comment
  CAS-BOT-BC211340  Rumex crispus Bruce Bartholomew 1991-7-6 5964 Modoc Ash Creek Bird Santuary, 0.2 km N of Lassen County line on Modoc County Road 87A. 1260 Comment
  CAS-BOT-BC211339  Rumex crispus Isabelo T. Kelly 1930-1-1 54 Modoc Modoc Co. Comment
  CAS-BOT-BC211348  Rumex lacustris E. S. Willits 1940-5-17 258 Modoc Creek bottom, Willow Ranch. 1371 Comment
  CAS-BOT-BC211305  Rumex occidentalis Bruce Bartholomew; Barrett Anderson 1988-7-22 4550 Modoc Stough Reservoir between Alturas and Cedarville, Warner Mts.. 2000 Comment
  UC1537645  Rumex occidentalis Gordon H. True Jr. 1939-7-7 1039 Modoc near Canby; Blacks Canyon Comment
  CAS-BOT-BC211311  Rumex salicifolius John H. Hatton 1911-6-12 44 Modoc Modoc County. 1493 Comment
  UC1101221  Rumex salicifolius var. lacustris Herbert L. Mason 1947-8-9 13482 Modoc n of Alturas (e side of Fairchild Swamp); Fairchild Swamp Comment
  JEPS121210  Rumex triangulivalvis Lowell Ahart, John Dittes 2013-7-24 18940 Modoc South bank of Ash Creek Canal, S of Ash Creek, Ash Creek State Wildlife Area, 0.79 air miles S of County Road 87, 1.73 air miles W of Adin, Big Valley. Comment
  RSA163759  Sagina decumbens subsp. occidentalis Clare B. Hardham 1961-6-18 7595 Modoc Shores of Pitt River; 3.3 miles SW of Cedar Pass turn-off. Comment
  CAS-BOT-BC95283  Sagina saginoides Roxana Stinchfield Ferris; R. Duthie 1919-6-13 23 Modoc Parker Creek, near Modoc National Forest Boundary. Comment
  HSC32020  Sagittaria cuneata J. D. Ackerman 1974-7-4 362 Modoc Howards Gulch, 6 mi. NW of Canby, off Hwy. 139 Comment
  JEPS32200  Sagittaria cuneata W. L. Jepson 1918-8-5 7825 Modoc South Fork Valley 1371 Comment
  UCD150426  Sagittaria cuneata Harry A. George 1967-6-15 s.n. Modoc Egg Lake. Comment
  CHSC109636  Sagittaria latifolia Lowell Ahart; John Dittes 2012-7-11 18336 Modoc Vernal pool like areas on the bottom of a gravel pit, north edge of the meadow, about 1/8 mile east of the parking area on the east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adam, about 8 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  CAS-BOT-BC225111  Salix bebbiana Belknap C. Goldsmith 1911-5-21 25 Modoc East shore of Goose Lake. Comment
  CAS-BOT-BC225752  Salix boothii Francis Dorris Payne 1932-7-7 331 Modoc Pine Creek Basin, Warner Mts., about 33 km SE of Alturas. 2280 Comment
  UC492374  Salix boothii Frances D. Payne 1932-7-21 728 b Modoc e Alturas (marsh s of Mosquito Lake); Warner Mts., e side Mt. Warren (Buck Mt.) Comment
  UC492376  Salix boothii Frances D. Payne 1932-6-21 728 c Modoc e Alturas (marsh s of Mosquito Lake); Warner Mts., e side Mt. Warren (Buck Mt.) Comment
  UCR143516  Salix boothii Frances D. Payne 1931-7-7 331 Modoc Warner Mountains, Pine Creek Basin, c. 33 km SE of Alturas 2280 Comment
  JEPS14855  Salix eastwoodiae Frances D. Payne 1931-7-8 277 Modoc Pine Creek Basin; Warner Mts. 2316 Comment
  SBBG28812  Salix eastwoodiae F. D. Payne 1931-7-8 177 Modoc Pine Crk Basin, ca. 33 km SE of Alturas 2280 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
  UC748351  Salix eastwoodiae Annie M. Alexander and Louise Kellogg 1946-6-25 4827 Modoc Dismal Swamp; n end Warner Mts. 2255 Comment
  RSA0034853  Salix eastwoodiae Frances D. Payne 1931-7-8 177 Modoc Pine Creek Basin, Warner Mountains, about 33 km. southeast of Alturas. 2280 Comment
  CAS-BOT-BC225775  Salix exigua H. P. Bracelin 1931-6-30 501 Modoc Alturas, SW end of town. 1360 Comment
  JEPS14860  Salix exigua Frances D. Payne 1931-6-10 139 Modoc Parker Creek Warner Mts. 1584 Comment
  RSA59859  Salix exigua E. K. Balls 1950-5-20 14793 Modoc South Fork Public Camp, South Fork Pit River, Likely to Clear Lake. 1433 Comment
  CAS-BOT-BC229686  Salix lasiandra subsp. caudata C. L. Hitchcock 1940-5-27 6699 Modoc 12 mi. NE of Alturas. 1615 Comment
  CAS-BOT-BC229689  Salix lasiandra subsp. caudata H. P. Bracelin; Francis Dorris Payne 1931-6-30 497 Modoc Parker Creek, 20 km E of Alturas. 1560 Comment
  UC1192301  Salix lasiandra var. caudata Verne Grant and Irving Schneider 1947-7-22 8143 Modoc on Hwy. 395 ca. 1 mi. n. of junction with Cedarville Rd.; N. Fork Pit River Comment
  CAS-BOT-BC197556  Salix lasiandra var. lasiandra Elmer Ivan Applegate 1936-5-17 10305 Modoc Lava Beds National Monument. Gillams Camp, shore line of Tuyle Lake. Comment
  CAS-BOT-BC197563  Salix lasiandra var. lasiandra Bruce Bartholomew; Barrett Anderson 1988-7-22 4548 Modoc N side of the South Fork of Davis Creek, Warner Mts.. 2100 Comment
  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
  RSA233778  Salix lasiolepis Robert F. Thorne, C. W. Tilforth 1969-9-5 39143 Modoc Along S Fork of Pit River above jct,. with West Creek at Public Campground. Ca 6 miles E of Likely. 1402 Comment
  UC481934  Salix lasiolepis Mrs. H. P. Bracelin and Miss Frances D. Payne 1931-6-30 492 Modoc 20 km. e. Alturas (Parker Creek, meadow s. of Payne Ranch); Parker Creek 1560 Comment
  UC481936  Salix lasiolepis Mrs. H. P. Bracelin and Miss Frances D. Payne 1931-6-30 492 Modoc 20 km. e. Alturas (Parker Creek, meadow s. of Payne Ranch); Parker Creek 1560 Comment
  CAS-BOT-BC197554  Salix lasiolepis var. lasiolepis H. P. Bracelin; Francis Dorris Payne 1931-6-30 492 Modoc Parker Creek, 20 km E of Alturas. 1560 Comment
  CAS-BOT-BC229668  Salix lemmonii H. P. Bracelin 1934-6-14 823 Modoc On Patterson Mill Road, near crossroads to Silver Lake (Lost Lake), Warner Mts. 2133 Comment
  RSA59371  Salix lemmonii E. K. Balls 1950-5-11 14622 Modoc 4 miles S of Fort Bidwell. W of Upper Lake. 1402 Comment
  SBBG57898  Salix lemmonii F. D. Payne -Aug-1934 778 Modoc Pine Crk Basin 2316 Comment
  UC433170  Salix lemmonii Milo S. Baker 1893-6-6 Modoc Big Valley Mts. Comment
  UC481857  Salix lemmonii Frances D. Payne 1931-7-7 332 Modoc ca. 33 km. s.e. Alturas; Warner Mts., Pine Creek Basin 2280 Comment
  UC1280859  Salix ligulifolia H. E. McMinn 1931-5-23 2467 Modoc Warner Mts. Comment
  SBBG57822  Salix lucida subsp. lasiandra Mrs. H. P. Bracelin 1931-6-30 498 Modoc Parker Crk, 20 km E of Alturas, meadow S of Payne Ranch 1500 Comment
  CAS-BOT-BC229677  Salix lutea F. Angwin 1946-5-3 s.n. Modoc Ash Creek, Adin. 1371 Comment
  POM107279  Salix lutea R. M. Austin 1895-04 s.n. Modoc Goose Lake. Franklin Creek. Comment
Read comments
Mar 5 2011
  RSA105448  Salix lutea H. P. Bracelin, Frances D. Payne 1931-6-30 499 Modoc Parker Creek, 20 km E of Alturas. Meadow S of Payne Ranch. 1560 Comment
  SBBG29031  Salix lutea Mrs. H. P. Bracelin, F. D. Payne 1931-6-30 499 Modoc Parker Crk, 20 km E of Alturas S of Payne Ranch 1560 Comment
  CAS-BOT-BC229847  Salix melanopsis H. P. Bracelin; Francis Dorris Payne 1931-6-30 491 Modoc Parker Creek, 20 km E of Alturas. 1560 Comment
  CAS-BOT-BC229850  Salix melanopsis H. P. Bracelin; Francis Dorris Payne 1931-6-30 491 Modoc Parker Creek, 20 km E of Alturas. 1560 Comment
  JEPS14854  Salix melanopsis Frances D. Payne 1931-6-10 140 Modoc Parker Creek Warner Mts., Parker Creek 1584 Comment
  CAS-BOT-BC229829  Salix scouleriana Francis Dorris Payne 1931-6-10 138 Modoc Parker Creek, Warner Mts. 1560 Comment
  SEINET14188975 Image available Salvia aethiopis P. C. Martinelli, T. C. Fuller 1974-7-19 s.n. Modoc Alturas area Comment
  CAS-BOT-BC497221  Salvia dorrii Margaret J. Williams; Arnold Tiehm; Jan Nachlinger 1988-6-2 88- 27 -1 Modoc Hwy 395, 0.4 mi E of Susanville road after turn to Alturas Comment
  CAS-BOT-BC179243  Salvia dorrii var. dorrii Kay Paulson; Richard Paulson 1988-5-24 16 Modoc Granger Canyon, Warner Mts.. 1493 Comment
  UC1036008  Salvia dorrii var. dorrii Helen K. Sharsmith 1955-6-23 4491 Modoc 6.7 mi e Cedar Campground (State Highway 28); Warner Mountains, Modoc National Forest 1859 Comment
  UCSB12379  Salvia dorrii var. dorrii Dearing, Hugh; Dearing, Margaret 1939-6-9 Modoc East side of Cedar Pass Comment
  CAS-BOT-BC184104  Salvia dorrii var. pilosa Elmer I. Applegate 1935-6-12 9533 Modoc Lava Beds National Monument. Three Sisters 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
  RSA520489  Sambucus 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-BC225031  Sanguisorba annua Alice Eastwood; John Thomas Howell 1940-6-13 8113 Modoc Surprise Valley. Comment
  UC1037206  Sanguisorba annua Leo Whitney 1934-6-3 1560 Modoc dry streambed of Hackamore River ca 15 mi nw Canby (Hackamore); Modoc National Forest, bed of Hackamore River 1463 Comment
  HSC19732  Sanguisorba annua M. T. Milligan 1964-6-20 66 Modoc 4 mi. E of Hwy. 395 on Hwy. 299 1524 Comment
  JEPS1007  Sanicula graveolens M. S. Baker and Franklin P. Nutting 1894-6-15 Modoc Forestdale Comment
  UC1598741  Sanicula graveolens M. S. Baker and Frank Nutting 1894-6-15 Modoc Forestdale 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
  SJSU9686  Sanicula graveolens W. Savage 1979-7-24 1566 Modoc Long Meadow Unit, Devils Garden District, Modoc National Forest 1615 Comment
  CAS-BOT-BC95570  Sarcobatus vermiculatus Elmer Ivan Applegate 1897-6-1 3035 Modoc Between Canby and Alturas. Comment
  UCD101771  Sarcobatus vermiculatus R. M. Day 1938-9-14 s.n. Modoc Modoc County. Comment
  UC11860  Saxifraga oregana Milo S. Baker 1893-6 Modoc California Comment
  CAS-BOT-BC245132  Schoenoplectus acutus var. occidentalis Bruce Bartholomew 1989-8-11 5061 Modoc Along W side of Goose Lake, 10.3 km S of the Oregon border on National Forest Road 48. 1430 Comment
  CHSC100384  Schoenoplectus acutus var. occidentalis Lowell Ahart; John Dittes 2008-8-25 15316 Modoc At water's edge, on the east bank (flood plain) of the Pit River, about 1/8 mile east of County Road 91,about 3.8 miles (air) north-northeast of Lookout. 1273 Comment
  CAS-BOT-BC245128  Schoenoplectus americanus Bruce Bartholomew 1989-8-10 5033 Modoc Little Hot Spring Valley, 3.2 km NW of Day. 1070 Comment
  UCR67030  Schoenoplectus pungens var. longispicatus George K. Helmkamp 1990-9-23 J- 9 Modoc Warner Mtns, Goose Lake, within 0.1 mi of the Oregon border 1476 Comment
  UC1100769  Scirpus acutus var. occidentalis Herbert L. Mason, Verne Grant 1947-7-11 13365 Modoc on Highway 395 5 mi s Alturas; on Highway 395 5 mi s of Alturas Comment
  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
  CAS-BOT-BC245118  Scirpus microcarpus Bruce Bartholomew; Barrett Anderson 1990-7-19 5425 Modoc Top of Hunters Ridge S of Rush Creek. 1960 Comment
  CAS-BOT-BC245120  Scirpus microcarpus Bruce Bartholomew 1989-8-11 5062 Modoc Along Lassen Creek near SE side of Harris Flat, Warner Mountains. 1920 Comment
  UCD92474  Scolochloa festucacea D. Marcum 1997-10-14 s.n. Modoc southern part of county, near border of Lassen County, near town of Adin. 1300 Comment
  UCD92544  Scribneria bolanderi L. D. Whitney 1935-5-22 s.n. Modoc near Hackamore. Comment
  HSC21135  Scrophularia desertorum M. T. Milligan 1965-6-30 393 Modoc Slopes and ridges E of Jess Valley. 1768 Comment
  HSC80744  Scrophularia desertorum G. M. Riegel 1979-7-28 610 Modoc S Warner Mtns. 1739 Comment
  SEINET6673049  Scrophularia desertorum N. H. Holmgren, P. K. Holmgren 1978-6-10 8900 Modoc In canyon 13.4 km (8.3 miles) east of Likely, along road to Jess Valley. 1520 Comment
  CAS-BOT-BC197836  Scrophularia lanceolata Annie Montague Alexander; L. Kellogg 1946-6-18 4806 Modoc Base of lava bluff facing Lower Lake. Comment
  CAS-BOT-BC197839  Scrophularia lanceolata Francis Whittier Pennell 1940-6-8 25736 Modoc Route 299, 9-10 mi. W of Alturas. 1371 Comment
  CAS-BOT-BC197840  Scrophularia lanceolata Bruce Bartholomew 1991-6-22 5834 Modoc E slope of S end of Warner Mountains, 3.4 km SW of County Road 1 on road to Patterson. 1620 Comment
  CAS-BOT-BC179235  Scutellaria antirrhinoides Belknap C. Goldsmith 1912-7-1 60 Modoc Little Hot Spring Valley. 1219 Comment
  UC76191  Scutellaria antirrhinoides Milo S. Baker 1893-1 Modoc Egg Lake Comment
  UC72055  Scutellaria nana Milo S. Baker 1893-1 Modoc n side of Egg Lake Comment
  CAS-BOT-BC95606  Sedum lanceolatum Elmer Ivan Applegate 1932-7-9 7574 Modoc Near summit of Bidwell Mountain, Warner Mts. Comment
  CAS-BOT-BC95610  Sedum lanceolatum M. Vasey 1990-6-28 9010 Modoc In vicinity of pass at junction of North Emerson Lake Trail and Owl Creek Trail. On Cole Peak side of pass. 2590 Comment
  RSA603122  Sedum lanceolatum L. C. Wheeler 1935-8-14 3844 Modoc Pine Creek. Warner Mtns. 1585 Comment
  CAS-BOT-BC95617  Sedum stenopetalum subsp. stenopetalum John Thomas Howell 1934-6-11 11980 Modoc Parker Creek, Warner Mts. 1584 Comment
  RSA84213  Sedum stenopetalum subsp. stenopetalum F. W. Peirson 1926-6-25 6866 Modoc West slope of Warner Mountains on Cedarville Road. Comment
  HSC81124  Senecio aronicoides G. M. Riegel 1980-8-7 1010 Modoc S Warner Mtns. 2100 Comment
  HSC81126  Senecio aronicoides G. M. Riegel 1979-7-5 455 Modoc S Warner Mtns. 2100 Comment
  RSA0012438  Senecio aronicoides Bruce Bartholomew 1992-5-14 6277 Modoc SW side of White Horse Mountains, SW of White Horse Flat Reservoir. 1370 Comment
  UC831911  Senecio aronicoides C. L. Hitchcock 1940-5-27 6711 Modoc 15 mi ne Alturas 1615 Comment
  CAS-BOT-BC50332  Senecio aronicoides John H. Hatton 1911-6-10 9 Modoc Modoc County. 1767 Comment
  RSA78968  Senecio canus E. K. Balls, Percy C. Everett 1952-10-11 18165 Modoc 4.9 miles west from turn off Highway 139 on road to Pumice Pits at east edge of Glass Flow. 1280 Comment
  POM36762  Senecio eurycephalus Mrs. R. M. Austin 1895-07 560 Modoc Goose Lake Valley. Comment
  RSA113689  Senecio eurycephalus H. K. Sharsmith 1955-6-25 4507 Modoc North slope of Jess Valley. Warner Mountains, Modoc National Forest. 1585 Comment
  HSC67901  Senecio fremontii J. P. Smith, J. O. Sawyer 1973-8-8 7219 Modoc Near summit of Eagle Peak 2988 Comment
  CAS-BOT-BC50283  Senecio hydrophiloides P. Monnet 1913-7-1 900 Modoc Warner Range. 2133 Comment
  JEPS89346  Senecio hydrophilus Dean Wm. Taylor with Glenn L. Clifton 1989-8-6 10502 Modoc w. shore Lower Lake (Surprise Valley); , Lower Lake 1363 Comment
  SDSU490  Senecio hydrophilus D. F. Howe 1966-8-26 4307 Modoc 1.3 miles north of Lassen-Modoc Co. line. 1341 Comment
  CAS-BOT-BC50255  Senecio integerrimus var. exaltatus Annie Montague Alexander; L. Kellogg 1946-6-5 4663 Modoc Emerson Creek, S of Eagleville, Warner Mountains 2133 Comment
  CAS-BOT-BC50294  Senecio integerrimus var. exaltatus John Thomas Howell 1934-6-13 12046 Modoc Fandango Pass, Warner Mountains 1828 Comment
  CHSC117857  Senecio integerrimus var. exaltatus L. P. Janeway 2016-5-16 11993 Modoc Modoc Plateau. Devils Garden area; along Road 47N07 1.8 road-km south of Road 181/73/47N09. 1573 Comment
  RSA0124947  Senecio integerrimus var. exaltatus E. K. Balls 1950-5-12 14655 Modoc Hillsides north of Bucks Creek Ranger Station, Modoc National Forest, east of Goose Lake. 1646 Comment
  UC36167  Senecio integerrimus var. exaltatus Mrs. R. M. Austin June 1894 Modoc Dry Valley 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
  CAS-BOT-BC54279  Senecio triangularis Annie Montague Alexander; L. Kellogg 1946-7-29 5081 Modoc Eagle Peak. 2438 Comment
  HSC6124  Senecio triangularis M. T. Milligan 1966-7-5 555 Modoc E of Jess Valley 1829 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
  CAS-BOT-BC179064  Sidalcea oregana subsp. oregana Elmer Ivan Applegate 1932-8-4 8150 Modoc N edge of Jess Valley. Comment
  CAS-BOT-BC179071  Sidalcea oregana subsp. oregana Bruce Bartholomew; Barrett Anderson 1989-6-3 4886 Modoc Boles Creek, ca. 5.5 km E of the SE corner of Clear Lake Reservoir. 1430 Comment
  JEPS67215  Sidalcea oregana subsp. oregana W. L. Jepson 1918-8-7 7864 Modoc Mt. Bidwell Warner Mts., Mt. Bidwell 2072 Comment
  UC18853  Sidalcea oregana subsp. oregana Mrs. R. M. Austin and Bruce July 1898 2205 Modoc Goose Lake Valley Comment
  RSA504609  Sidalcea oregana subsp. oregana Bruce Bartholomew, B. Anderson 1988-7-21 4423 Modoc S. end of Whitehorse Flat Reservoir. 1340 Comment
  CAS-BOT-BC179053  Sidalcea oregana subsp. spicata Leland S. Smith 1920-7-13 1188 Modoc Crowder Flat. 1371 Comment
  CHSC70472  Sidalcea oregana subsp. spicata A. Sanger 1997-7-9 2564 Modoc Little Willow Creek at crossing of County Rd. 181, in meadow S of Road. 1499 Comment
  UC748248  Sidalcea oregana subsp. spicata Annie M. Alexander and Louise Kellogg 1946-7-11 4976 Modoc Mesa west Eight Mile Creek, Mesa west (Eight Mile Creek, ne corner of county) Comment
  NY446741  Silene douglasii F. M. Ownbey 1940-7-1 2154 Modoc Cedar Peak, Warner Mountains Comment
  CAS-BOT-BC95245  Silene douglasii var. douglasii Annie Montague Alexander; L. Kellogg 1946-7-24 5073 Modoc Horse Mountain, Warner Mts. Comment
  CAS-BOT-BC95270  Silene menziesii Bruce Bartholomew 1990-6-17 5330 Modoc Sand Creek, 9.6 mi. E of Cedarville, Surprise Valley. 1390 Comment
  CAS-BOT-BC95277  Silene oregana Leland S. Smith 1918-7-10 982 Modoc Mill Creek. 2133 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
  HSC65548  Sisymbrium altissimum Thomas Wood 1979-8-8 201 Modoc 1 mi. S of Ft. Bidwell along Hwy. 1, corner house where road turns W 1372 Comment
  CHSC112428  Sisymbrium orientale Lowell Ahart; John Dittes, Todd Sloat 2013-6-8 18760 Modoc About 100 yards east of the Parking Area, near the old barn, Ash Creek State Wildlife Area, about 3.9 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  UC4230  Sisyrinchium bellum Milo S. Baker 1893-6 Modoc Egg Leake Island Comment
  UC21379  Sium suave Milo S. Baker 1893-7-24 Modoc Egg Lake Comment
  CAS-BOT-BC15679  Sium suave Verne Grant; I. Schneider 1947-7-19 8062 Modoc Corporaton Ranch, S of Alturas. Comment
  UC663494  Sium suave Francis Drouet and Donald Richards 1941-9-11 4177 Modoc Alturas North fork of the Pit River (North fork of the Pit River) 1341 Comment
  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
  JEPS62125  Smilacina racemosa Frances D. Payne 1929-6-24 23 Modoc above Fitzhugh Springs; Warner Mts., Pine Creek Comment
  UC1036057  Smilacina racemosa Annie M. Alexander and Louise Kellogg 1946-7-1 4892 Modoc 1/2 mi e summit <of> Bidwell Creek Road; Warner Mountains 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
  UC3887  Smilacina stellata M. S. Baker and Frank Nutting 1894-6-15 Modoc Big Valley Mts.; meadow Comment
  CDA34290  Solanum dulcamara L. Ahart, J. Dittes 2010-8-31 17095 Modoc On the south side of Ash Creek, on the west side of Elkins Lane, Ash Creek State Wildlife Area, 4215 feet north of Lassen County Line, about 4.3 miles (air) west of Adin, and about 7.7 miles (air) northeast of Bieber, Big Valley. Comment
  RSA0020576  Solanum physalifolium var. nitidibaccatum Louis C. Wheeler 1935-8-6 3798 Modoc Mouth Pine Creek, Warner Mountains. 1509 Comment
  HSC65391  Solanum triflorum Thomas Wood 1979-8-8 222 Modoc About 1.2 mi. S and then shortly W of Ft. Bidwell, along Hwy. 1 1372 Comment
  POM228874  Solanum triflorum Louis C. Wheeler 1935-9-22 3995 Modoc Pit River at Rattlesnake Butte. Warm Springs Valley. 1341 Comment
  SEINET7262122 Image available Solanum triflorum Robbins, Raynor June 1943 s.n. Modoc Corporation Ranch, Likely Comment
  CAS-BOT-BC245435  Solanum umbelliferum Milo Samuel Baker; Franklin P. Nutting 1894-6-8 s.n. Modoc Little Hot Spring Valley. Comment
  RSA504637  Solanum umbelliferum Bruce Bartholomew, B. Anderson 1988-6-23 4260 Modoc 1.8 km WSW of Day on County Road 94. 1170 Comment
  UCD135905  Solidago confinis Herbert L. Mason 1947-8-9 13459 Modoc Ingalls Swamp, north of Big Sage Reservoir, northwest of Alturas. Comment
  JEPS5954  Solidago elongata Frances D. Payne 1933-8-5 768 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  UC1999882  Solidago elongata J. C. Semple, B. A. Suripto, T. Ahmed 1990-8-11 9296 Modoc NE of Alturas, flood plain of N. Fork Railroad by US-395, approx. 2 km S of Joseph Creek Rd. Comment
  CHSC99899  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-BC158918  Sorbus scopulina A. D. Borden 1911-8-1 s.n. Modoc Along high run on south slope of south fork of Parker Creek, Modoc Forest. Comment
  CAS-BOT-BC158920  Sorbus scopulina B. Bartholomew 1991-7-6 6000 Modoc Rush Creek above Upper Rush Creek Camp Ground 1580 Comment
  CAS-BOT-BC242254  Sparganium emersum Bruce Bartholomew 1991-8-6 6083 Modoc N Emerson Lake, E side of Warner Mts. 2370 Comment
  CAS-BOT-BC242300  Sparganium emersum Louis Cutter Wheeler 1935-8-3 3761 Modoc Pine Creek, Warner Mts. 1737 Comment
  UC1099922  Sparganium emersum var. emersum Herbert L. Mason and Verne Grant 1947-7-12 13433 Modoc n of Likely (Corporation Ranch Headquarters) Comment
  UC429201  Spiranthes romanzoffiana Milo S. Baker Aug. 1897 162 Modoc Forestdale Comment
  RSA233789  Spirodela polyrhiza Robert F. Thorne, C. W. Tilforth 1969-9-5 39148 Modoc North of South Fork of Pit River above jct. with West Creek at Public Campground, ca. 6 mi. E of Likely. 1402 Comment
  SEINET11587765  Stachys ajugoides Unknown 2016-8-16 7 -8 Modoc Lookout Comment
  JEPS63093  Stachys ajugoides var. rigida Milo S. Baker 1893-7-25 Modoc Egg Lake Comment
  POM69776  Stachys palustris subsp. pilosa R. M. Austin 1895-08 s.n. Modoc Goose Lake Valley Comment
  UC748040  Stachys palustris subsp. pilosa Annie M. Alexander and Louise Kellogg 1946-7-12 4984 Modoc Twelve Mile Creek, ne corner of county Twelve Mile Creek Comment
  CAS-BOT-BC179204  Stachys pilosa B. Bartholomew; Barrett Anderson 1988-7-21 4428 Modoc Whipple Spring, E side of Whitehorse Flat Reservoir. 1340 Comment
  SEINET5337329  Stellaria longipes M. H. Manning 144 Modoc Near Forb Bidwell Comment
  CAS-BOT-BC95294  Stellaria longipes var. longipes Bruce Bartholomew 1991-6-23 5870 Modoc W side of Ingall Swamp, Devil's Garden. 1510 Comment
  UC1101390  Stellaria longipes var. longipes Verne Grant and Irving Schneider 1947-8-24 8252 Modoc Jess Valley; Warner Mountains Comment
  CAS-BOT-BC95299  Stellaria nitens Bruce Bartholomew; Mona Bourell 1990-4-26 5149 Modoc 0.5 km S of Day. 1100 Comment
  CAS-BOT-BC54263  Stenotus stenophyllus E. S. Willits 1940-5-6 227 Modoc Davis Creek. Comment
  JEPS121193  Stipa nelsonii subsp. dorei John Dittes 2013-7-25 18960 Modoc S edge of Ash Creek floodplain, NE of Patterson Homestead, E of Elkins Lane, 1.0 air mile S of County Road 87, 3 air miles W of Adin, Big Valley. Comment
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  CAS-BOT-BC95051  Streptanthella longirostris Bruce Bartholomew 1994-5-15 6691 Modoc E of Eagleville near the Eagleville Airport, Surprize Valley. 1380 Comment
  CAS-BOT-BC95052  Streptanthella longirostris Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-10 6460 Modoc Near Eagleville Airport, E side of Surprise Valley. 1400 Comment
  JEPS27076  Streptanthus cordatus Frances D. Payne 1931-6-21 223 Modoc e exposure at base of cliffs on ridge west of Dry Creek (tributary of Parker Creek) (s and e of Alturas); Warner Mountains 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-BC242163  Streptopus amplexifolius var. americanus Bruce Bartholomew; Barrett Anderson 1988-7-22 4529 Modoc Mill Creek, Lake City Canyon, 5.5 km W of Lake City, E side of the Warner Mts.. 1860 Comment
  CAS-BOT-BC242259  Stuckenia pectinata Bruce Bartholomew; Barrett Anderson 1989-6-2 4798 Modoc 6.4 km E of Fort Bidwell on road to Fee Reservoir, NE corner of Surprise Valley. 1460 Comment
  CAS-BOT-BC242263  Stuckenia striata Milo Samuel Baker 1899-8-24 s.n. Modoc Pit River at Lookout. Comment
  UCD138321  Stuckenia striata Herbert L. Mason 1947-8-15 13540 Modoc Mouth of Crane Creek on Willow Ranch, east side of Goose Lake. Comment
  CAS-BOT-BC95577  Suaeda calceoliformis Bruce Bartholomew; Barrett Anderson 1990-7-21 5560 Modoc W edge of Middle Alkali Lake, directly E of Cedarville, Surprise Valley. 1370 Comment
  CAS-BOT-BC180104  Swertia albicaulis var. albicaulis Roxana Stinchfield Ferris; R. Duthie 1919-7-14 92 Modoc Above Parker Creek. Comment
  CAS-BOT-BC180106  Swertia albicaulis var. albicaulis Isabelo T. Kelly 1930-1-1 67 Modoc Modoc County. Comment
  JEPS46351  Swertia albicaulis var. albicaulis L. S. Smith 1920-6-11 1165 Modoc Badger Spring Warner Mts., Happy Camp District Comment
  CAS-BOT-BC180088  Swertia radiata B. Bartholomew; B. Anderson 1988-7-22 4518 Modoc NE side of Patterson Meadow, southern end of the Warner Mountains 2180 Comment
  UCD137455  Symphoricarpos rotundifolius Herbert L. Mason 1948-7-18 13619 Modoc Cedar Pass, Warner Mountains. Comment
  CAS-BOT-BC95190  Symphoricarpos rotundifolius var. rotundifolius Roxana Stinchfield Ferris; R. Duthie 1919-6-15 90 Modoc Warner Mts., rocky hill above Parker Creek. 1828 Comment
  UC71843  Symphyotrichum ascendens Mrs. M. H. Manning Aug 1 1904-Sep 1 1904 477 Modoc Alturas (ne Modoc County) Comment
  CAS-BOT-BC15219  Symphyotrichum eatonii Robert Folger Thorne; C. W. Tilforth 1969-9-5 39174 Modoc Modoc National Forest, Warner Mtns., along Fall Creek below Falls 1737 Comment
  CAS-BOT-BC15224  Symphyotrichum foliaceum var. parryi Bruce Bartholomew 1990-8-5 5678 Modoc Summit Trail, ca. 4 km N of Patterson Ranger Station, W side of Warner Mts. 2470 Comment
  UC1192205  Symphyotrichum spathulatum Herbert L. Mason 1947-8-9 13480 Modoc n of, (Fairchild Swamp) Alturas; Fairchild Swamp Comment
  UC748098  Symphyotrichum spathulatum Annie M. Alexander and Louise Kellogg 1946-7-13 4991 Modoc Cowhead Lake Comment
  UC1192204  Symphyotrichum spathulatum Verne Grant and Irving Schneider 1947-7-20 8093 Modoc s of Alturas ((Jones Lane by first bridge w of Highway 395)) Comment
  CAS-BOT-BC15170  Symphyotrichum spathulatum var. spathulatum Annie Montague Alexander; L. Kellogg 1946-7-17 5010 Modoc Benton Meadow, Warner Mountains 2072 Comment
  CAS-BOT-BC232356  Synthyris missurica C. L. Hitchcock 1940-5-27 6716 Modoc 15 mi. NE of Alturas. 1981 Comment
  CAS-BOT-BC232359  Synthyris missurica Annie Montague Alexander; L. Kellogg 1946-7-14 5067 Modoc Trail to Emerson Camp, Bear Camp Flat. 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
  SEINET5344494  Taeniatherum caput-medusae M. J. Williams, J. Nachlinger 1988-6-2 88- 28 -6 Modoc Jess Valley, E of Likely, S of roadside rest Comment
  CAS-BOT-BC54274  Taraxacum officinale Thomas C. Fuller 1979-6-4 20263 Modoc S side of Cedarville airport, 2 km N of Cedarville. Comment
  UC485584  Taraxacum officinale W. P. Taylor and H. C. Bryant 1910-7-13 Modoc Head North Fork Parker Creek Warner Mountains 2225 Comment
  UC615051  Taraxia subacaulis Beryl O. Schreiber 1934-6-10 1164 Modoc Lost Lake Warner Mountains Comment
  UC1562576  Taraxia tanacetifolia Barbara Ertter 1988-6-18 7606 Modoc w side Hwy 139 just s where it crosses railroad at jct to Clear Lake (ne of Dry Lake e of Lava Beds Nat'l Monument) 1249 Comment
  JEPS31731  Taraxia tanacetifolia L. S. Smith 1918-5-16 926 Modoc w of Alturas (Centerville Road); Modoc Forest 1524 Comment
  HSC81115  Tetradymia canescens G. M. Riegel 1980-7-14 879 Modoc S Warner Mtns. 1739 Comment
  CAS-BOT-BC217170  Thalictrum fendleri Annie Montague Alexander; L. Kellogg 1946-7-2 4895 Modoc Dismal Swamp, N end of Warner Mts. 2255 Comment
  JEPS60731  Thalictrum fendleri Leland S. Smith 1918-6-22 946 Modoc Lily Lake Modoc National Forest 2103 Comment
  RSA520460  Thalictrum fendleri K. Paulson, R. Paulson 1989-6-21 146 Modoc Pine Creek Basin, W side of the Warner Mts. 2110 Comment
  NY33852  Thermopsis argentata M. S. Baker 06 1894 s.n. Modoc Forestdale Comment
  CAS-BOT-BC181798  Thermopsis californica var. argentata Leland S. Smith 1920-6-17 5 A Modoc N end of Egg Lake. 1310 Comment
  CHSC110815  Thermopsis californica var. argentata Dean Wm. Taylor 2013-6-7 21369 Modoc 11 miles North of Lookout; along Forest Road 42N03 about 1.2 road miles west of County Road 91(Lookout to Tulelake). 1350 Comment
  JEPS114433  Thermopsis californica var. argentata Lowell Ahart, John Dittes 2008-8-26 15333 Modoc On the sides of an unnamed road, 200 feet east of intersection with County Road 85a, 9.3 miles (air) north-northeast of Lookout 1276 Comment
  CAS-BOT-BC95084  Thlaspi arvense Bruce Bartholomew; Barrett Anderson 1988-6-25 4380 Modoc SW side of Jess Valley, Warner Mts.. 1540 Comment
  CDA3889  Thlaspi arvense T. C. Fuller 1963-6-11 10652 Modoc Little Meadow Campground, South Fork of the Pit River, 7.9 miles east of Likely. 0 Comment
  RSA504621  Thlaspi arvense Bruce Bartholomew, B. Anderson 1988-6-25 4379 Modoc SW side of Jess Valley, Warner Mountains. 1540 Comment
  CAS-BOT-BC66415  Thysanocarpus curvipes B. Bartholomew 1995-6-22 6982 Modoc Between Day and Lookout, 17.0 km west of Day on County Road 94. 1280 Comment
  RSA603008  Torreyochloa pallida var. pauciflora L. C. Wheeler 1935-10-5 4020 Modoc N Fork Pit River at Parker Creek. 1372 Comment
  UCD93229  Torreyochloa pallida var. pauciflora R. Tofsrud 1947-7-1 252 Modoc 5 miles west of Ft. Bidwell. Comment
  SEINET10793109  Torreyochloa pallida var. pauciflora Louis C. Wheeler 1935-10-5 Wheeler 4020 Modoc N Fork Pit River at Parker Creek. Damp silt 1372 Comment
  CAS-BOT-BC54246  Tragopogon dubius Bruce Bartholomew 1990-6-18 5366 Modoc S side of Goose Lake, ca. 5 km SSE of McGinty Point. 1400 Comment
  CHSC115844  Tragopogon dubius Lowell Ahart; John Dittes 2015-7-16 20387 Modoc North edge of Ash Creek (destroyed), southeast of gravel pit (destroyed), about 1/8 mile east of parking area on east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  JEPS63165  Trichostema oblongum Milo S. Baker 1893-7-14 Modoc Egg Lake Comment
  HSC41112  Trichostema simulatum Thomas W. Nelson, Jane P. Nelson, James Nelson 1976-8-29 3259 Modoc Modoc National Forest: along Hwy. 299 just NW of Adin Pass 1524 Comment
  CAS-BOT-BC181790  Trifolium beckwithii E. S. Willits 1940-5-20 277 Modoc Willow Ranch. Comment
  UC71808  Trifolium cyathiferum Mrs. M. H. Manning 1904-7-7 465 Modoc near Fort Bidwell Comment
  UC16471  Trifolium cyathiferum Mrs. R. M. Austin July, 1894 Modoc Goose Lake Comment
  UCD107922  Trifolium eriocephalum var. harneyense Collector Unknown 1949-6-1 s.n. Modoc Near Eagleville. Comment
  CAS-BOT-BC181775  Trifolium gymnocarpon var. plummerae Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-10 6471 Modoc 1.6 km NE of Fee Reservoir Road on Barrel Spring Road, N end of Surprise Valley. 1600 Comment
  UC711816  Trifolium kingii var. productum Roxana S. Ferris and Laura Lorraine 1941-8-14 10579 Modoc 3 mi from Patterson Ranger Station (on rd to Eagleville); Warner Mtns, Modoc National Forest Comment
  JEPS66051  Trifolium kingii var. productum Leland S. Smith 1917-7-18 841 Modoc w Cedarville (Soldier Creek); Warner Mtns Comment
  CAS-BOT-BC181748  Trifolium longipes E. S. Willits 1940-5-17 263 Modoc Willow Ranch. Comment
  CAS-BOT-BC181752  Trifolium longipes Annie Montague Alexander; L. Kellogg 1946-6-8 4694 Modoc Road from Eagleville to Patterson Mill. 2286 Comment
  RSA582462  Trifolium longipes Louis C. Wheeler 1935-8-16 3879 Modoc Warner Mountains: Dismal Swamp, Twenty Mile Creek. 2226 Comment
  RSA322211  Trifolium longipes subsp. multipedunculatum John M. Gillett, C. W. Crompton, George W. Gillett 1966-6-12 13019 Modoc Petterson Meadow Road sw of Eagleville, about 9.5 miles from junction, about 1/4 mile west of locality of 13018. Comment
  JEPS33201  Trifolium longipes var. hansenii Frances D. Payne 1931-6-25 249 Modoc 2 mi sw Warren Mtns (Pine Creek Basin) 2316 Comment
  CAS-BOT-BC180174  Trifolium macrocephalum Mrs. H. C. Cantelow 1941-5-23 3812 Modoc 2 mi. W of Adin Summit, E of Bieber. Comment
  CAS-BOT-BC181734  Trifolium macrocephalum Annie Montague Alexander; L. Kellogg 1946-6-26 4837 Modoc Dismal Swamp. 2255 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
  RSA0014359  Trifolium macrocephalum Joan Stewart 2005-6-6 2488 Modoc Stowe Reservoir, Warner Mountains. Comment
  RSA520478  Trifolium macrocephalum Bruce Bartholomew, B. Anderson 4650 Modoc 8.8 km N of State Highway 299 on road to Raker and Thomas Reservoir. 1470 Comment
  UC555480  Trifolium pratense F. H. Frost 1925-7-24 126 Modoc Jess Valley Warner Mtns Comment
  CAS-BOT-BC181757  Trifolium productum Bruce Bartholomew 1995-7-31 7105 Modoc Headwaters of the S fork of Davis Creek, E side of the Warner Mountains. 2210 Comment
  CAS-BOT-BC248352  Trifolium productum B. Bartholomew; H. Sun 2002-6-24 8835 Modoc Ca. 1 km NW of Bald Mt., E side of the Warner Mountains 2290 Comment
  HSC15168  Trifolium repens R. C. Wunner 1965-6-13 174 Modoc Indian Well Ranger Station, Lava Beds National Monument 1454 Comment
  CAS-BOT-BC180161  Trifolium wormskioldii V. J. Wetherell 1961-8-9 486 Modoc Stowe Reservoir Campground, 1 mi. E of Cedar Pass. 1828