Search Results — 2000 specimen records retrieved (1504 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

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

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  HSC80921  Abies concolor G. M. Riegel 1979-8-1 729 Modoc S Warner Mtns. 1670 Comment
  CAS-BOT-BC15632  Achillea millefolium John Thomas Howell 1934-6-11 11932 Modoc Parker Creek. 1584 Comment
  CAS-BOT-BC242287  Achnatherum Leland S. Smith 1924-5-31 s.n. Modoc W side Egg Lake. Comment
  CAS-BOT-BC242282  Achnatherum hymenoides Leland S. Smith 1917-7-17 85 Modoc Cedarville. 1981 Comment
  UCD50343  Achnatherum hymenoides Beecher Crampton; with Carl Rimbey 1954-7-7 2151 Modoc 7 miles east of Cedarville. Comment
  UCD50369  Achnatherum hymenoides L. Whitney 1935-7-1 3356 Modoc California, Modoc County, Hackamore. Comment
  CAS-BOT-BC242325  Achnatherum lemmonii C. L. Hitchcock 1940-5-28 6724 Modoc 15 mi. N of Alturas, near Surprise. 1402 Comment
  UC821972  Achnatherum lemmonii C. L. Hitchcock 1940-5-28 6724 Modoc 15 mi n Alturas (near Surprise) 1402 Comment
  UCD50712  Achnatherum lemmonii L. Whitney 1935-5-15 s.n. Modoc Near Alturas. Comment
  CAS-BOT-BC242321  Achnatherum lettermanii Bruce Bartholomew; Barrett Anderson 1990-7-21 5577 Modoc Homestead Flat, ca. 2.5 km E of Patterson Ranger Station, E side of Warner Mts. 2160 Comment
  CAS-BOT-BC242323  Achnatherum lettermanii Bruce Bartholomew; Barrett Anderson 1990-7-20 5463 Modoc 4 km N of Buck Creek Ranger Station at turn off to Del Prat Spring, W side of Warner Mts. 1900 Comment
  CAS-BOT-BC242324  Achnatherum lettermanii Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10533 Modoc Pattewrson Ranger Station (East Creek drainage). 2164 Comment
  UCD32712  Achnatherum nevadense Beecher Crampton 1954-7-7 2143 Modoc Modoc County, open slopes of cedar Pass summit. 1097 Comment
  POM229972  Achnatherum occidentale subsp. californicum L. C. Wheeler 1935-8-3 3752 Modoc Dismal Swamp, Twenty Mile Creek, Warner Mts. 2226 Comment
  RSA0034404  Achnatherum occidentale subsp. californicum L. C. Wheeler 1935-8-3 3752 Modoc Dismal Swamp, Twenty Mile Creek, Warner Mts. 2226 Comment
  UC1024854  Achnatherum occidentale subsp. occidentale Leo Whitney 1935-6-17 3191 Modoc 2 mi ne, near lava rim Hole-in-the-rock (ca. 18 mi wnw of Canby) Comment
  UC1025001  Achnatherum occidentale subsp. occidentale Leo Whitney 1935-7-11 3458 Modoc 4 mi e Medicine Lake (Glass Mountain); Glass Mountain Comment
  UC1037149  Achnatherum occidentale subsp. pubescens Leo Whitney 1935-7-6 3423 Modoc Crank Springs Comment
  UCD23584  Achnatherum occidentale subsp. pubescens L. Whitney 1935-6-9 3206 Modoc White Horse. Comment
  UCD32696  Achnatherum occidentale subsp. pubescens Beecher Crampton 1954-7-6 2112 Modoc Modoc County, Road 56, following Shields Creek into Warner Mountains, 22 miles east of Alturas. Comment
  UCD51218  Achnatherum occidentale subsp. pubescens R. Tofsrud 1947-7-1 244 Modoc 5 mi. W. of Ft. Bidwell. Comment
  JEPS123844  Acmispon denticulatus Lowell Ahart, John Dittes 2015-7-16 20389 Modoc Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. Comment
  UC465619  Aconitum columbianum Mrs. M. H. Manning 102 Modoc n.e. Modoc Co. Comment
  RSA520447  Aconitum columbianum var. columbianum Bruce Bartholomew 1990-7-20 5498 Modoc Tamarack Flat, E side of Warner Mts. 2150 Comment
  CHSC85405  Actaea rubra John Dittes; Josephine Guardino 1991-8-24 457 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
  CDA3515  Adonis aestivalis T. C. Fuller 1963-6-17 10644 Modoc North side of Highway 299 to Adin, 1.5 miles west of Canby. 0 Comment
  UC1795596  Aegilops cylindrica J. Moreo 2002-6-24 PDR 1151611 Modoc Jasper Ranch, Willow Ranch, near New Pine Cr, Oregon Comment
  CAS-BOT-BC179882  Agastache urticifolia Bruce Bartholomew 1991-7-6 5979 Modoc Curtis Waterhole and adjacent lava outcrops. 1310 Comment
  CAS-BOT-BC179887  Agastache urticifolia Leland S. Smith 1924-6-20 1421 Modoc Curtis Water Hole. 1310 Comment
  POM260185  Agastache urticifolia C. L. Hitchcock 1940-5-27 6704 Modoc 15 miles northeast of Alturas. 1616 Comment
  UC571022  Ageratina occidentalis F. H. Frost 1925-7-20 91 Modoc 2 mi above Cedarville; Warren Mts., Cedar Campt Comment
  HSC5641  Ageratina occidentalis M. S. Baker Aug 1897 158 Modoc N Side of Egg Lake Comment
  JEPS6027  Agoseris glauca var. glauca Frances D. Payne 1932-6-22 577 Modoc s and e of Alturas Alturas; Warner Mountains, Parker Creek 1584 Comment
  UC29350  Agoseris heterophylla var. heterophylla Milo S. Baker 1893-6-15 Modoc near, rocky slope Pitt River Comment
  SJSU9672  Agoseris monticola W. Savage 1979-7-9 1520 Modoc Bowles Meadow, Devils Garden District, Modoc National Forest 1493 Comment
  JEPS5993  Agoseris parviflora Frances D. Payne 1932-6-26 612 Modoc s and e, on high ridges n of Parker Creek Alturas; Warner Mountains, Parker Creek 1828 Comment
  POM32936  Agoseris parviflora Mrs. R. M. Austin 1890-07 564 Modoc Goose Lake Valley Comment
  JEPS36389  Agoseris retrorsa Milo S. Baker 1893-7-12 Modoc South Hillside Comment
  UCD51679  Agropyron cristatum J. E. Coke 1932-7-1 s.n. Modoc Modoc County. 1371 Comment
  JEPS119857  Agropyron cristatum subsp. pectinatum Lowell Ahart, John Dittes 2012-7-11 18346 Modoc About 1/2 mile southeast of the Pilot Butte Parking Lot, north edge of Ash Creek floodplain, about 1.5 miles (air) south of Country Road 87, about 7.5 miles (air) west of Adin, about 10.2 miles (air) east of Lookout, Big Valley. Comment
  JEPS114847  Agropyron desertorum Lowell Ahart, John Dittes 2008-6-21 15016 Modoc On the north 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
  SJSU9610  Agrostis exarata W. Savage 1979-7-6 1387 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  UCD32730  Agrostis exarata Beecher Crampton 1954-7-8 2171 Modoc Mococ County, Warner Mountains, 15 miles east of Likely, along road to Jess Valley. 1676 Comment
  UCD52339  Agrostis exarata L. D. Whitney 1935-7-24 s.n. Modoc near Hackamore. Comment
  UCD52353  Agrostis exarata A. A. Beetle 1944-8-15 3028 Modoc N. of lookout, above Happy Camp Ranger Station. Comment
  UCD52379  Agrostis exarata L. Whitney 1935-7-21 s.n. Modoc Happy Camp. Comment
  HSC8798  Agrostis idahoensis M. T. Milligan 1966-7-5 561 Modoc Slopes and ridges E of Jess Valley 1768 Comment
  CAS-BOT-BC139099  Agrostis pallens John Thomas Howell 1934-7-3 12377 Modoc 5 miles south of Hackamore. Comment
  POM203129  Agrostis pallens J. T. Howell 1934-7-3 12377 Modoc 5 miles S of Hackamore Comment
  UC70678  Agrostis stolonifera Mrs. M. H. Manning Jun 1903 415 Modoc ne Modoc County Comment
  UCD53488  Agrostis stolonifera Hursh 1919-10-30 X 3319 Modoc Alturas. Comment
  CAS-BOT-BC245221  Alisma gramineum Herbert Louis Mason 1955-8-13 14653 A Modoc SW side of Goose Lake. Comment
  JEPS127311  Alisma triviale Lowell Ahart, John Dittes 2016-7-14 21200 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
  RSA210808  Alisma triviale Robert F. Thorne, James Henrickson, C. W. Tilforth 1969-9-4 39088 Modoc N Fork of Pit River 3.4 mi N of Alturas where crossed by Highway 395. 1341 Comment
  CAS-BOT-BC332737  Alisma triviale R. F. Thorne; Larry E. DeBuhr 1975-8-22 46969 Modoc North edge of Likely along south fork of Pit River 1356 Comment
  CAS-BOT-BC445446  Alisma triviale Robert F. Thorne; J. Henrickson; C. W. Tilforth 1969-9-4 39088 Modoc Margin of N Fork of Pit River 3.4 mi N of Alturas where crossed by Hwy 395 1341 Comment
  UCD137997  Alisma triviale Herbert L. Mason 1955-8-13 14653 C Modoc southwest side of Goose Lake. Comment
  HSC26582  Allium acuminatum D. H. Norris, Thomas W. Nelson, S. Dwoty 1971-6-23 19384 Modoc Along Hager Basin Rd. near Big Sage Reservoir Comment
  JEPS47579  Allium acuminatum Frances D. Payne 1932-6-10 631 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  RSA70206  Allium acuminatum F. W. Peirson 1926-6-25 6874 Modoc Summit of grade, Cedarville Pass, Warner Mountains. Comment
  UCR92623  Allium acuminatum Kathy Harper, Dane Karr 1994-6-16 s.n. Modoc Calif. Hwy 139 between Lookout-Hackamore Road and US Hwy 299 1340 Comment
  UCSB48716  Allium acuminatum Hardham, Clare 1961-6-18 Modoc East side of Cedar Pass, Warner Mtns Comment
Read comments
Jan 30 2008
  CAS-BOT-BC245010  Allium acuminatum K. Paulson; Robert Paulson 1988-6-19 53 Modoc Loveness road. 1493 Comment
  SEINET12048088  Allium acuminatum Unknown 1945-1 Modoc Comment
  UC1299633  Allium acuminatum Freed W. Hoffman 1955-7-13 4105 Modoc 1 mi e Cedar Pass Campground (rocky ridge on n side of road, Highway 8A now rt. 299); Modoc National Forest 1737 Comment
  UC726230  Allium acuminatum A. A. Heller 1941-6-25 16201 Modoc on the Cedaville road w ascent to Cedar Pass Comment
  JEPS47575  Allium bisceptrum var. bisceptrum L. S. Smith 1920-7-31 1190 Modoc Patterson 2194 Comment
  JEPS79133  Allium campanulatum L. R. Heckard with R. Bacigalupi 1980-6-10 5235 Modoc about 10 mi nw Lookout (along Great Northern Railroad grade) Comment
  CHSC118295  Allium geyeri var. tenerum L. P. Janeway 2016-5-17 12038 Modoc Modoc Plateau. Devils Garden area; where Reoad 45N06 crosses Logans Slough; about 3.2 air-km morth of Big Sage Reservior. 1494 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
  RSA367065  Allium lemmonii George Willet 1935-6-21 s.n. Modoc Modoc County: Warner Mtns. 2287 Comment
  UC843416  Allium platycaule C. L. Hitchcock 1940-5-27 6667 Modoc 15 mi ne Alturas 1615 Comment
  CAS-BOT-BC474063  Allium platycaule Mrs. R. M. Austin; Bruce 1898-7-1 2227 Modoc Hugh Mts, Warner range Comment
  SEINET198607  Allium siskiyouense Annie M. Alexander, L Kellogg 1946-6-26 4835 Modoc Dismal Swamp N end of Warner Mtns 2256 Comment
  JEPS127596  Allium tolmiei var. tolmiei L. P. Janeway, B. Castro 2016-5-18 12063 Modoc Modoc Plateau. Devils Garden area; Island Meadow, along Road 47N08 2.1 road km N of Road 73/181/47N09. Comment
  JEPS47628  Allium tolmiei var. tolmiei Mrs. R. M. Austin May 1894 165 Modoc Adobe Flats Goose Lake Valley, Adobe Flats Comment
  CAS-BOT-BC242346  Alopecurus aequalis Leland S. Smith 1918-6-22 942 Modoc Willow Creek below Ranger Station. 1676 Comment
  CAS-BOT-BC242350  Alopecurus aequalis Leland S. Smith 1924-6-8 1386 Modoc West side Egg Lake - Modoc National Forest Comment
  HSC8874  Alopecurus aequalis M. T. Milligan 1966-6-30 510 Modoc Slopes and ridges E of Jess Valley 1768 Comment
  CHSC99775  Alopecurus geniculatus Lowell Ahart; John Dittes 2008-6-21 14997 Modoc On wet soil in the drying pond, north of the large culvert, east of the large levee, mountain meadow, in Big Valley, about 2.8 miles (air) northeast of the Headquarters at Ash Creek State Wildlife Area, about 5.4 miles (air) northeast of Bieber. 1255 Comment
  UC60733  Alopecurus geniculatus M. S. Baker and Frank Nutting 1894-6-25 Modoc Little Hot Spring Valley Comment
  RSA0045633  Alopecurus pratensis Lowell A. Ahart, John Dittes 2008-6-21 14988 Modoc About 10 yards north of a large culvert, on 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. 1256 Comment
  SEINET10971739  Alopecurus pratensis Billy Joe Cox, David B. Dunn 1971-6-3 Cox 2614 Modoc 4 mi s of davis creek on us hwy 395, in very mesic grassland sedge meadow, Lupines very sparse and approximately a week or more behind the flowering of Those near alturas. 1402 Comment
  UCD55818  Alopecurus saccatus L. D. Whitney 1935-7-12 s.n. Modoc Hackamore Reservoir. Comment
  HSC42319  Alyssum alyssoides S. Saufferer 1973-5-5 131 Modoc About 7 1/2 mi. S of Pine Creek along Hwy. 395 Comment
  HSC69615  Alyssum alyssoides Gary Schoolcraft 1980-4-10 206 Modoc N of Hwy. 299, 2 mi. E of Hwy. 395 1494 Comment
  RSA152426  Alyssum minus I. L. Wiggins, Dorothy Wiggins 1961-6-13 16468 Modoc Roadside 2.6 miles N of Buck s Creek Ranger Station, E side of Goose Lake. Comment
  SEINET200136 Image available Amaranthus californicus Unknown 1947-7-10 13326 Modoc Dorris Reservoir, 2 miles east of Alturas Comment
  UC1191385  Amaranthus retroflexus Herbert L. Mason, Verne Grant 1947-7-10 13343 Modoc Dorris Reservoir, 2 miles east of Alturas Comment
  CAS-BOT-BC217086  Amelanchier utahensis Elmer Ivan Applegate 1932-7-9 7589 Modoc N slope of Bidwell Mountain, Warner Mts. Comment
  CHSC100112  Amphiscirpus nevadensis L. P. Janeway; B. Castro 2008-8-16 9544 Modoc Modoc Plateau. Surprise Valley; east side of Middle Alkali Lake, south side of Hwy 299 10.5 km east of Cedarville. 1378 Comment
  CAS-BOT-BC245113  Amphiscirpus nevadensis Herbert Louis Mason 1947-8-15 13543 Modoc Mouth of Crane Creek on Willow Ranch, E side of Goose Lake. Comment
  JEPS127306  Amsinckia menziesii Lowell Ahart, John Dittes 2016-7-14 21159 Modoc South of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin Big Valley. Comment
  RSA0089940  Amsinckia menziesii Verne Grant, Irving Schneider 1947-7-18 8044 Modoc Eastside Canal, 5 miles north of Bayley s bridge, south of Alturas. 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-BC54159  Amsinckia tessellata var. tessellata Alice Eastwood; John Thomas Howell 1940-6-13 8162 Modoc Fort Bidwell. Comment
  SJSU9567  Ancistrocarphus filagineus W. Savage 1979-7-3 1309 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  CAS-BOT-BC15618  Antennaria argentea Margaret J. Williams 1984-6-29 84- 72 -2 Modoc Cave Lake. 2133 Comment
  JEPS33937  Antennaria argentea Milo S. Baker 1893-7-6 Modoc Comment
  RSA128287  Antennaria argentea Peter H. Raven, Otto T. Solbrigo 1958-6-18 13310 Modoc Cottonwood Flat Camp Ground, Modoc National Forest Comment
  CAS-BOT-BC15580  Antennaria dimorpha Bruce Bartholomew; Barrett Anderson 1988-5-12 4126 Modoc Ca. 13 km NNE of Adin on State Highway 229 at turnoff to Higgins Flat on USFS road 41N11. 1440 Comment
  POM40357  Antennaria dimorpha Mrs. R. M. Austin 1895-07 s.n. Modoc Goose Lake Valley. Comment
  UC134217  Antennaria dimorpha Mrs. R. M. Austin 1885-6-1 Modoc Goose Lake Valley Comment
  UC71587  Antennaria dimorpha Mrs. M. H. Manning 1903-3 75 Modoc near, (north-eastern Modoc County) Fort Bidwell Comment
  UC75820  Antennaria dimorpha Milo S. Baker Modoc near, (at Pine Woods) Egg Lake; Pine Woods Comment
  CAS-BOT-BC15622  Antennaria dimorpha Mrs. H. C. Cantelow 1940-5-31 3221 Modoc 8.9 mi. E of Indian Springs. Comment
  SEINET6735128 Image available Antennaria geyeri M. S. Baker 1893-1 s.n. Modoc Egg Lake Comment
  CAS-BOT-BC15551  Antennaria luzuloides Bruce Bartholomew; Mona Bourell 1990-4-27 5179 Modoc Vicinity of Lower Cummings Reservoir, 5 km NW of Hwy 299 on Crowder Flat Rd. 1540 Comment
  CAS-BOT-BC15599  Antennaria luzuloides Arnold Tiehm 1984-6-30 8835 Modoc NW side of Bidwell Mt., 2.2 road mi. N of Eight Mile Creek on road from Annie. 1844 Comment
  UC1584636  Antennaria luzuloides Dean Wm. Taylor with Glenn L. Clifton and Rexford E. Palmer 1987-6-7 9014 Modoc se margin, along outlet stream Egg Lake; Upper Modoc Plateau 1280 Comment
  RSA152441  Antennaria luzuloides I. L. Wiggins, Dorothy Wiggins 1961-6-12 16426 Modoc Moderate slope near summit of Cedar Pass, between Alturas and Cedarville 1921 Comment
  CHSC66984  Antennaria luzuloides subsp. luzuloides James D. Jokerst 1987-5-11 2836 Modoc Radar Survey site S of Doublehead Mtn., S of Clear Lake Reservoir, W of dry lake, ca. 0.33 mi to end of dirt road, then ca. 200 ft. N. 1353 Comment
  CAS-BOT-BC15558  Antennaria rosea subsp. rosea Annie Montague Alexander; L. Kellogg 1946-7-11 4973 Modoc Mesa W of Eight Mile Creek. 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
  CAS-BOT-BC15689  Apocynum androsaemifolium Annie Montague Alexander; L. Kellogg 1946-7-3 4903 Modoc Bidwell Creek, near Fort Bidwell. Comment
  UC22906  Apocynum androsaemifolium Baker July, 1893 Modoc Comment
  UC748273  Apocynum androsaemifolium Annie M. Alexander and Louise Kellogg 1946-7-17 4997 Modoc e. slope Warner Mts., Cedar Pass e. slope Warner Mts., Cedar Pass (w. slope as well) Comment
  POM130514  Apocynum androsaemifolium subsp. pumilum Milo S. Baker 1893-07 s.n. Modoc Hillside, red soil Comment
  UC22898  Apocynum cannabinum Mrs. R. M. Austin and Bruce 1898-7-1 2336 Modoc Middle Lake Comment
  UC71831  Aquilegia formosa Mrs. M. H. Manning 231 Modoc near Fort Bidwell Comment
  JEPS60393  Aquilegia formosa Frances D. Payne 1929-7-7 48 Modoc 2 mi sw Mt. Warren; Pine Creek Basin 2133 Comment
  CAS-BOT-BC218343  Aquilegia formosa var. formosa Bruce Bartholomew; Barrett Anderson 1990-7-20 5499 Modoc Tamarack Flat, E side of Warner Mts. 2150 Comment
  CAS-BOT-BC218344  Aquilegia formosa var. formosa Bruce Bartholomew; Barrett Anderson 1988-6-24 4353 Modoc 9.8 km SW of County road 1 on County Road 42, E side of the Warner Mts.. 1960 Comment
  CAS-BOT-BC218345  Aquilegia formosa var. formosa Leland S. Smith 1922-7-7 1256 Modoc High Grade Hill above Dismal Swamp. 2316 Comment
  UC10399 Image available Arabis davidsonii Mrs. C. C. Bruce Jun 1892 2250 Modoc Lake City mt Comment
  SD46546  Arabis eschscholtziana Robert J. Weatherby 1955-7-8 1624 Modoc 6 miles north of Fort Bidwell, northern Warner Mountains 1735 Comment
  HSC6522  Arabis glabra M. T. Milligan 1966-7-1 522 Modoc N end of Jess Valley. 1616 Comment
  RSA0126228  Arabis glabra Mrs. R. M. Austin 1895-04 414 Modoc Goose Lake. Comment
  NY639749  Arabis puberula M. J. Williams 1988-5-30 8826- 4 Modoc Jess Valley, east of Likely, south of roadside rest 1524.0 Comment
  RSA152602  Arabis puberula I. L. Wiggins, Dorothy Wiggins 1961-6-12 16378 Modoc At junction of Cedar Pass road with California Highway 299, 5.5 miles N of Alturas. Comment
  RSA94049  Arabis puberula C. C. Bruce 1898-06 2251 Modoc Hills near Goose Lake. Comment
  SEINET5340682  Arabis puberula R. C. Rollins, K. W. Rollins 1981-6-1 81192 Modoc Warner Mountains, 3.3 miles west of Lake City. Comment
  NY119623  Arabis sparsiflora var. subvillosa R. C. Rollins 1981-6-1 81187 Modoc Near Cedar Pass, between Cedarville and Alturas Comment
  JEPS53054  Arabis subpinnatifida Frances D. Payne 1932-6-10 536 Modoc s and e of Alturas; Warner Mountains, Parker Creek 1584 Comment
  UC962135  Arabis suffrutescens Annie M. Alexander and Louise Kellogg 1946-7-23 5054 Modoc ne slope Emerson Peak; Warner Mountains Comment
  UC1078879  Arceuthobium campylopodum Job Kuijt 1957-5-28 1380 Modoc rd n from Bartel away from Hwy 89 to Whitehorse Modoc National Forest 1341 Comment
  CAS-BOT-BC95650  Arctostaphylos patula Leland S. Smith 1925-7-1 1503 Modoc Happy Camp Mt. 1828 Comment
  UC190594  Arenaria aculeata M. F. Gilman 506 Modoc Comment
  UC1368463  Arenaria congesta var. subcongesta R. K. Gierisch 1969-7-15 3544 Modoc Comment
  UC748078  Arnica chamissonis Annie M. Alexander and Louise Kellogg 1946-7-7 4926 Modoc meadow near, (ne corner of county) Willows; Eight Mile Creek 1752 Comment
  CAS-BOT-BC15570  Arnica chamissonis subsp. foliosa Bruce Bartholomew; Barrett Anderson 1990-7-21 5581 Modoc Homestead Flat, ca. 2.5 km E of Patterson Ranger Station, E side of Warner Mts. 2160 Comment
  CAS-BOT-BC15420  Arnica cordifolia Betty J. Hammerly 1941-6-20 35 Modoc Along banks of Clear Lake. Comment
  HSC2184  Arnica cordifolia C. L. Hitchcock 1940-5-27 6702 Modoc 15 miles NE of Alturas 1677 Comment
  SJSU5434  Arnica cordifolia H. L. Buckalew 1961-6-21 Modoc Stough Reservoir, Warner Mts 1981 Comment
  UC1037303  Arnica cordifolia Leo Whitney 1934-5-5 1608 Modoc 15 mi w of, (at Happy Camp) Canby; Modoc National Forest, Happy Camp 1463 Comment
  JEPS35918  Arnica cordifolia N. T. Mirov 1929-7-4 Modoc 1 mi s Oregon-California boundary; Warner Mountains, Lily Lake 2133 Comment
  SEINET6775021 Image available Arnica cordifolia A. M. Alexander, L. Kellogg 1946-6-5 4668 Modoc Emerson Creek, south of Eagleville, Warner Mountains 1981 Comment
  UC71560  Arnica longifolia Mrs. M. H. Manning 1904-8-27 343 Modoc Mt. Bidwell Mt. Bidwell ((ne Modoc County)) Comment
  UC936275  Arnica longifolia Annie M. Alexander and Louise Kellogg 1946-8-3 5100 Modoc head of Eagle Creek Warner Mountains, Eagle Creek Comment
  RSA298141  Arnica mollis J. O. Sawyer, James Payne Smith 1973-8-8 7217 Modoc At or near the summit of Eagle Peak 2988 Comment
  RSA520502  Arnica mollis Bruce Bartholomew 1989-8-11 5063 Modoc Along Lassen Creek near SE side of Harris Flat, Warner Mts. 1920 Comment
  UC29591  Arnica mollis Mrs. R. M. Austin and Bruce 1898-7-1 2183 Modoc head of Davis Creek Comment
  CAS-BOT-BC15299  Arnica sororia Arnold Tiehm 1984-6-30 8837 Modoc NW side of Bidwell Mt., 2.2 road mi. N of Eight Mile Creek on road from Lake Annie. 1844 Comment
  CHSC107315  Arnica sororia Lowell Ahart; John Dittes 2011-6-21 17530 Modoc Moist meadow, on south edge of Ash Creek Floodplain, 1.8 miles (air) east of Elkins Lane, 1.2 miles (air) south of County Road 87, 2.5 miles (air) west of Adin, Big Valley. 1267 Comment
  SEINET3096626 Image available Arnica sororia Alice Eastwood, John Thomas Howell 1940-6-12 8088 Modoc Jess Valley Comment
  JEPS68450  Arrhenatherum elatius L. S. Smith 1919-6-2 1112 Modoc Warner Mountains, Deep Creek Ranger Station Deep Creek Ranger Station; Warner Mountains, Deep Creek Ranger Station Comment
  CHSC67332  Artemisia arbuscula James D. Jokerst 1986-9-18 2769 Modoc Radar Site Survey S of Doublehead Mtn. Ca. 1.5 mi S of Doublehead Mtn. 1386 Comment
  CHSC67335  Artemisia cana subsp. bolanderi J. D. Jokerst 1986-9-18 2768 Modoc Radar Site Survey S of Doublehead Mtn. Ca. 1.5 mi S of Doublehead Mtn. 1386 Comment
  UC711824  Artemisia cana subsp. bolanderi Roxana S. Ferris and Laura Lorraine 1941-8-13 10566 Modoc about 1 mi e Patterson Ranger Station (East Creek); Modoc National Forest, Warner Mountains, East Creek Comment
  HSC81041  Artemisia douglasiana G. M. Riegel 1979-8-25 719 Modoc South Warner Mountains 2100 Comment
  JEPS117261  Artemisia douglasiana Lowell Ahart, John Dittes 2010-8-31 17098 Modoc East side of Elkins Lane, about 10 yards south of the bridge across Ash Creek, Ash Creek State Wildlife Area, 4215 feet north of Lassen County Line, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley 1267 Comment
  CDA10171  Artemisia ludoviciana T. C. Fuller 1959-7-8 4729 Modoc Highway 299 at Cloverswale Creek Bridge, 13.5 miles west of Alturas. 0 Comment
  POM229967  Artemisia ludoviciana subsp. candicans L. C. Wheeler 1935-8-14 3848 Modoc Sunny lake shore above high water line Lily Lake, Pine Creek, Warner Mts. 2073 Comment
  UC748333  Artemisia ludoviciana subsp. candicans Annie M. Alexander and Louise Kellogg 1946-7-6 4912 Modoc 3.5 mi w Eagleville Comment
  CAS-BOT-BC15258  Artemisia ludoviciana subsp. incompta Alice Eastwood; John Thomas Howell 1940-6-13 8171 Modoc Cedarville. Comment
  CAS-BOT-BC15270  Artemisia ludoviciana subsp. ludoviciana Kenton L. Chambers 1965-9-22 2433 Modoc Cedar Pass, in the Warner Mts. 1920 Comment
  CHSC106347  Artemisia ludoviciana subsp. ludoviciana Lowell Ahart; John Dittes 2010-8-30 17051 Modoc About 10 yards west of the fence, south edge of the meadow, Ash Creek State Wildlife Area, 2,300 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  CAS-BOT-BC15214  Artemisia tridentata subsp. tridentata Roxana S. Ferris; Laura Lorraine 1941-8-13 10563 Modoc Patterson Ranger Station (East Creek drainage), Modoc National Forest, Warner Mountains 2164 Comment
  CDA13469  Artemisia tridentata subsp. tridentata G. F. Hrusa, T. D. Wilfred 1996-7-21 13316 Modoc Modoc Plateau; Pit River at Modoc Co. Rd. 90 bridge. E base of Splawn Mtn. N end of Big Valley. Comment
  HSC5017  Artemisia tridentata subsp. tridentata M. T. Milligan 1966-8-11 650 Modoc E of Jess Valley 1677 Comment
  CAS-BOT-BC15654  Asclepias cordifolia Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16441 Modoc 4 mi. E of Cedar Pass summit. Comment
  UC748423  Asclepias fascicularis Annie M. Alexander and Louise Kellogg 1946-7-7 4922 Modoc Lake Annie Comment
  SEINET10946900  Asclepias speciosa Bruce M. Bartholomew 1990-6-17 Bartholomew 5285 Modoc Surprise Valley, SW side of Lower Alkali Lake, 1.8 km N of Lassen Co. border 1370 Comment
  CAS-BOT-BC54174  Asperugo procumbens Herbert Louis Mason; Verne Grant 1947-7-12 13416 Modoc Near S end of W Side Road, Pit River Valley, S of Alturas. Comment
  RSA540055  Aster integrifolius Bruce Bartholomew 1989-8-12 5107 Modoc About 3.2 airline miles west of Patterson Ranger Station on road to Jess Valley 2060 Comment
  RSA150339  Astragalus curvicarpus A. J. Cronquist, Arthur H. Holmgren 1959-6-21 8530 Modoc East side of the Warner Mts. below Fandango Pass. 1524 Comment
  NY803541  Astragalus curvicarpus var. curvicarpus L. S. Rose 1940-6-11 40513 Modoc Canby 1326 Comment
  SBBG22154  Astragalus filipes C. B. Hardham 1961-6-19 7838 Modoc Davis Crk 1676 Comment
  SBBG3186  Astragalus filipes H. and M. Dearing 1939-6-7 3581 Modoc near Alturas Comment
  SJSU9653  Astragalus inversus W. Savage 1979-7-8 1488 Modoc N end Fairchild Swamp Unit, Triangle, Devils Garden Ranger District 1493 Comment
  JEPS120883  Astragalus lemmonii Lowell Ahart, John Dittes, Todd Sloat 2013-6-8 18766 Modoc About 300 yards NE of the Parking Area, NE of the old barn, Ash Creek Wildlife Area, about 3.9 air miles W of Adin, about 7.7 air miles NE of Bieber, Big Valley. Comment
  NY675510  Astragalus lentiginosus var. chartaceus Mrs. M. H. Manning 1907-6-15 s.n. Modoc Warner Range, east side Comment
  UC748431  Astragalus obscurus Annie M. Alexander and Louise Kellogg 1946-6-10 4717 Modoc Lava bench between Lower and Snake Lakes (slope facing Lower Lake); between Lower and Snake Lakes, Lower Lake Comment
Read comments
Jan 8 2008
  CAS-BOT-BC182036  Astragalus purshii Leland S. Smith 1919-5-3 1084 Modoc Plateau, road to Jess Valley. 1524 Comment
  HSC81081  Astragalus purshii G. M. Riegel 1980-7-3 821 Modoc South Warner Mtns. 1829 Comment
  HSC26612  Astragalus purshii var. purshii D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19367 Modoc Along the S Fork of the Pit River, ~6 mi. E of Likely. Comment
  RSA415670  Astragalus purshii var. purshii Christopher Davidson 1973-5-24 2103 Modoc S of Alturas on Hwy 395 near Likely. 1311 Comment
  CAS-BOT-BC193031  Astragalus purshii var. tinctus Mrs. Austin 1895-5-1 2 Modoc Goose Lake Valley Comment
  NY694437  Astragalus purshii var. tinctus B. M. Bartholomew 1993-5-10 6466 Modoc Below Emerson Campground, east side of Warner Mountains 1710 Comment
  RSA101378  Astragalus purshii var. tinctus R. Weatherby 1955-7-8 1636 Modoc 3 miles north of Ft. Bidwell, northern Warner Mts. 1555 Comment
  UC1037200  Astragalus purshii var. tinctus Leo Whitney 1934-5-13 1549 Modoc near Timbered Mountains (Devil's Garden, Alturas); Devil's Garden, near Timbered Mountain, Alturas 1524 Comment
  JEPS54797  Astragalus purshii var. tinctus Frances D. Payne 1932-6-15 645 Modoc s and e Alturas (Parker Creek); Warner Mountains, , s and e of Alturas 1584 Comment
  NY694435  Astragalus purshii var. tinctus Mrs. M. H. Manning 05 1907 715 Modoc Warner Range, east side Comment
  RSA0006855  Astragalus purshii var. tinctus H. D. Ripley, R. C. Barneby 1949-6-11 14 Modoc About 8 mi. N of Davis Creek, Hwy 395 - 29.6 mi. N of Alturas. Comment
  CAS-BOT-BC248329  Astragalus whitneyi B. Bartholomew; H. Sun 2002-6-24 8808 Modoc Ridge top just S of Manzanita Mt. and 15.3 straight line km NW of Aden 2070 Comment
  RSA59491  Astragalus whitneyi E. K. Balls 1950-5-18 14 .741 Modoc 1 mi. S.W. of Canby Bridge on Hwy. 299. 1341 Comment
  RSA504827  Astragalus whitneyi var. confusus Bruce Bartholomew, B. Anderson 1988-6-25 4375 Modoc SW side of Jess Valley, Warner Mountains. 1540 Comment
  UC71682  Athysanus pusillus Mrs. M. H. Manning May, 1903 104 Modoc Mount Bidwell, in north-eastern Modoc County Mount Bidwell 1524 Comment
  UC1494952  Athysanus pusillus Reed C. Rollins and Kathryn W. Rollins 1981-6-1 81189 Modoc Cedar Summit between Alturas and Cedarville (off Cal. Hwy. 299); Cedar Summit 1889 Comment
  CAS-BOT-BC95504  Atriplex argentea var. argentea Alice Eastwood; John Thomas Howell 1940-6-12 8100 Modoc Midway between Likely and Alturas. Comment
  CHSC106167  Atriplex patula var. obtusa Lowell Ahart; John Dittes 2010-8-31 17112 Modoc About 10 yards west of Elkins Lane, about 150 yards north of the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1274 Comment
  POM312478  Atriplex rosea H. L. Mason 1947-8-9 13477 Modoc East side of Fairchild Swamp, north of Alturas Comment
  CAS-BOT-BC95510  Atriplex truncata Louis Cutter Wheeler 1935-9-4 3941 Modoc McGinty Point, Goose Lake. 1463 Comment
  UC122590  Azolla filiculoides Mrs. R. M. Austin June 1894 Modoc Willow Creek Valley Comment
  CAS-BOT-BC15144  Balsamorhiza X terebinthacea Bruce Bartholomew; Barrett Anderson 1988-5-14 4195 Modoc 1.3 km S of turn off to Crowder Flats West Side Road, W side of Goose Lake. 1410 Comment
  CAS-BOT-BC218200  Balsamorhiza hookeri John H. Hatton 1911-6-9 1 Modoc Modoc County - Modoc National Forest 1356 Comment
  RSA488039  Balsamorhiza hookeri var. lagocephala Bruce Bartholomew, B. Anderson 1988-5-12 4130 Modoc 13 km NNE of Adin on State Highway 229 at turnoff to Higgins Flat on USFS road 41N11. 1440 Comment
  CAS-BOT-BC15179  Balsamorhiza hookeri var. lanata Lindsay Stuart Smith; E. H. Steffen 1917-5-27 17 Modoc West Valley camp and Jess Valley. 1554 Comment
  CAS-BOT-BC15190  Balsamorhiza hookeri var. lanata E. S. Willits 1940-5-4 212 Modoc Willow Ranch. 1371 Comment
  CHSC67159  Balsamorhiza macrolepis var. platylepis James D. Jokerst 1994-5-3 4038 Modoc Devils Garden located 4 mi E of Spalding Butte, 1.5 mi SW of Mud Lake. +- 100 ft N of milepost 42. Comment
  SEINET476714  Balsamorhiza macrolepis var. platylepis Unknown 1923-4-26 Modoc Lookout Comment
  CAS-BOT-BC15200  Balsamorhiza sagittata S. Saufferer 1973-5-5 130 Modoc About 7.5 mi. S of Pine Creek, along Hwy 395. Comment
  UCR132752  Balsamorhiza sagittata George K. Helmkamp, E. A. Helmkamp 1993-5-4 s.n. Modoc 35.6 miles NW of Canby along Calif. Hwy 139 1280 Comment
  POM35948  Balsamorhiza sagittata Mrs. R. M. Austin 1890-07 562 Modoc Goose Lake Valley Comment
  SFV3763  Balsamorhiza sagittata I. L. Wiggins, D. B. Wiggins 1960-6-12 16410 Modoc Along Cedar Pass road between Alturas and Cedarville. Steep hillside in Cedar Pass. Comment
  SEINET10757887  Balsamorhiza serrata Andrew Townesmith, Karen M. Meyer 2007-9-15 Townesmith 929 Modoc Modoc National Forest, Warner Mountain Ranger District. Along state route 299, 10.9 miles west of junction with US route 395. At Cedar Pass. T43N R15E S28 SW 1/4. 1928 Comment
  RSA0059626  Barbarea orthoceras Lowell Ahart, John Dittes 2011-6-21 17518 Modoc about 130 yards west of the fence, south edge of the meadow, Ash Creek State Wildlife Area, about 2,300 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  JEPS117917  Bassia hyssopifolia L. P. Janeway, B. Castro 2008-8-16 9547 Modoc Surprise Valley Modoc Plateau (east side of Middle Alkali Lake, south side of Hwy 299 10.5 km east of Cedarville) 1378 Comment
  JEPS114846  Beckmannia syzigachne Lowell Ahart, John Dittes 2008-6-21 14991 Modoc In shallow water and on wet soil, along the edge of the drying pond, north of the large culvert, east of the large levee, mountain meadow, in Big Valley, about 2.8 miles (air) north of the Headquarters at Ash Creek State Wildlife Area, about 5.4 miles (ai 1255 Comment
  POM313190  Beckmannia syzigachne H. L. Mason 1947-7-11 13367 Modoc Irrigation ditch by Jones Lane, off Highway 395, south of Alturas Comment
  CAS-BOT-BC54225  Berberis aquifolium var. repens Elmer Ivan Applegate 1932-8-7 8229 Modoc Lily Lake, Bidwell Pass, Warner Mts. Comment
  CHSC115484  Berberis aquifolium var. repens L. P. Janeway 2014-7-8 11465 Modoc Modoc Plateau. East corner of Dry Creek Rim; along Road 47N08 (Corral Creek Road) 3.1 road-km north-northwest of Road 48 (along the west edge of Goose Lake). 1650 Comment
  CHSC118298  Berberis aquifolium var. repens L. P. Janeway 2016-5-18 12059 Modoc Modoc Plateau. Northeast corner of the Devils Garden area; along Road 47N37 0.6 km of Road 73/181/47N09. 1626 Comment
  HSC3368  Berberis aquifolium var. repens M. T. Milligan 1966-8-11 649 Modoc E of Jess Valley 1677 Comment
  UC69525  Berberis aquifolium var. repens Milo S. Baker Modoc Mts near Davis Creek Comment
  CAS-BOT-BC76022  Berberis repens James Vale; Keith Wagnon; Walter Knight; Irja Knight 1981-5-21 4124 Modoc Warner Mountains. Stowe Reservoir Road about 4 miles past highway #299. 2133 Comment
  UC1583943  Berula erecta G. Schoolcraft 1990-7-11 2105 Modoc about 2 mi w of West Valley Reservoir 1493 Comment
  SEINET2149791  Betula glandulosa K. T. Harper 1974-1 137 Modoc Dismal Swamp, north end of Warner Mountains. 2165 Comment
  CAS-BOT-BC54191  Betula occidentalis Bruce Bartholomew 1990-6-17 5294 Modoc Along Emerson Creek, 2.8 km SW of County Rd 1, E side of Warner Mts. 1600 Comment
  CAS-BOT-BC54193  Betula occidentalis Gregg M. Riegel 1980-7-14 881 Modoc South Warner Mountains 1463 Comment
  NY526320  Betula occidentalis B. M. Bartholomew 1988-6-24 4350 Modoc South Barber Creek, 6.3 km southwest of County Road 1 on County Road 42, east side of the Warner Mountains. Snake Lake 7 1/2' Quad. 1790 Comment
  CDA39612  Betula occidentalis T. C. Fuller 1971-7-14 19907 Modoc South Barber Creek at crossing with Barber Grade. 0 Comment
  RSA210863  Bidens cernua R. F. Thorne, J. Henrickson, C. W. Tilforth 1969-9-4 39117 Modoc N Fork of Pit River 3.4 mi N of Alturas where crossed by Hwy 395 1341 Comment
  CAS-BOT-BC218108  Bistorta bistortoides Bruce Bartholomew 1992-5-16 6329 Modoc Lunsford Spring 1600 Comment
  CAS-BOT-BC218116  Bistorta bistortoides Bruce Bartholomew; Barrett Anderson 1988-7-22 4545 Modoc Benton Meadow, Warner Mts.. 2180 Comment
  CAS-BOT-BC15109  Blepharipappus scaber James D. Jokerst 1983-5-31 1809 Modoc Near Signal Butte. 1340 Comment
  CAS-BOT-BC15111  Blepharipappus scaber Bruce Bartholomew 1991-6-21 5796 Modoc 1.6 km S of Davis Creek on U.S. Hwy 395. 1450 Comment
  CAS-BOT-BC15113  Blepharipappus scaber Margaret J. Williams; et al 1988-6-2 88- 28 -4 Modoc Jess Valley, E of Likely, S of roadside rest. Comment
  CAS-BOT-BC15122  Blepharipappus scaber John Thomas Howell 1934-6-12 11997 Modoc 6 mi. S of Davis Creek. Comment
  SBBG14875  Blepharipappus scaber A. I. Richardson 1961-5-31 10 Modoc near Adin 1301 Comment
  UCR57489  Blepharipappus scaber R. D. Goeden, Don W. Ricker 1989-8-23 890823- 22 Modoc Warner Mtns., Modoc National Forest, Fandango Pass Rd, near Warner Mtn, west of Pass 1616 Comment
  JEPS38121  Blepharipappus scaber L. S. Smith 1918-5-2 919 Modoc hills around Adin Adin 19 Comment
  POM351057  Blepharipappus scaber Thomas W. Nelson, James Nelson, Jane P. Nelson 1976-8-29 3248 Modoc Modoc National Forest, Growing beside highway 299 just northwest of Adin Pass. 1524 Comment
  SEINET7379328 Image available Blepharipappus scaber M. J. Williams 1984-6-30 84- 75 -1 Modoc 27.4 miles N of Cedar Pass road on Hwt 395. 1295 Comment
  SJSU8832  Blepharipappus scaber R. L. Fisher 1958-6-13 Modoc near Adin Pass c. 6 mi S of Canby 1524 Comment
  UC35784  Blepharipappus scaber Mrs. R. M. Austin and Bruce 1898-7-1 2322 Modoc Davis Creek Comment
  UC894098  Blepharipappus scaber Milo S. Baker 1936-6-16 8353 Modoc Hwy 395 between Alturas and Likely Alturas; Hwy. 395 Comment
  JEPS54286  Boechera Mary H. Manning 1903-1 Modoc Ft. Bidwell Comment
  UC10141  Boechera Milo S. Baker Jun 15 1893-Jul 5 1893 Modoc Comment
  UC1567371  Boechera davidsonii G. Schoolcraft 1989-7-17 1967 Modoc e of Patterson Lake; Warner Mts. 2804 Comment
  CAS-BOT-BC58644  Boechera divaricarpa Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10516 Modoc Patterson Ranger Station (East Creek drainage). 2164 Comment
  CHSC118287  Boechera puberula LP Janeway 2016-5-17 12036 Modoc Modoc Plateau. Devils Garden area; along Road 45N06 1.6 road-km northeast of Logan Slough corssing; about 3.4 air-km north of Big Sage Reservoir. 1494 Comment
  RSA0128826  Boechera sparsiflora E. K. Balls 1950-5-11 14606 Modoc W of Middle Lake. Between Eagleville and Cedarville. 1433 Comment
  UC10095  Boechera sparsiflora M. S. Baker and Frank Nutting 1894-6-5 Modoc Big Valley Mts. Comment
  UC10097  Boechera sparsiflora Milo S. Baker 1893-6 Modoc Comment
  UC190606  Boechera sparsiflora M. F. Gilman 530 Modoc Comment
  CAS-BOT-BC25896  Boechera subpinnatifida B. Bartholomew; M. Bourell 1990-4-28 5198 Modoc 0.3 km south of Davis Creek on highway 395. 1450 Comment
  RSA166296  Boisduvalia glabella Peter H. Raven, Otto T. Solbrig 1958-6-18 13332 Modoc Eastern outskirts of Lookout Comment
  POM46123  Boisduvalia macrantha R. M. Austin 1895-07 426 Modoc Davis Creek Comment
  RSA152613  Briza maxima I. L. Wiggins, Dorothy Wiggins 1961-6-12 16374 Modoc California Highway 299, 5.5 mi. N of Alturas at junction of Cedar Pass road. Comment
  CAS-BOT-BC244942  Brodiaea coronaria subsp. coronaria Alice Eastwood; John Thomas Howell 1940-6-14 8232 Modoc 8 mi. NW of Canby. Comment
  CAS-BOT-BC244947  Brodiaea coronaria subsp. coronaria Bruce Bartholomew 1989-7-14 4945 Modoc ca. 8 km NE of Egg Lake and 2.5 km E of Survice Gulch. 1340 Comment
  UC1134015  Brodiaea coronaria subsp. coronaria R. C. Wilson 1933-6-27 56 Modoc Tom's Creek Modoc National Forest, Canby Quad. 1463 Comment
  UC1094382  Brodiaea coronaria subsp. coronaria R. C. Bacigalupi with S. Galen Smith 1957-6-27 5980 Modoc ca 9 mi nw Canby (along State Hwy 139) Comment
  CAS-BOT-BC242449  Bromus briziformis Bruce Bartholomew 1990-6-17 5305 A Modoc Vicinity of Emerson Camp near roadhead, E side of Warner Mts. 1750 Comment
  HSC80915  Bromus briziformis G. M. Riegel 1980-6-30 789 Modoc S Warner Mtns. 1739 Comment
  POM364017  Bromus briziformis Christopher Davidson 1975-6-4 2602 Modoc 0.4 mi E of Hwy 395 on Hwy 299 toward Cedarville.Fenced pasture on S side of rd. 1380 Comment
  SBBG19091  Bromus briziformis C. B. Hardham 1961-6-18 7520 Modoc Cedar Pass Comment
  CAS-BOT-BC242426  Bromus carinatus var. carinatus Leland S. Smith 1924-5-26 s.n. Modoc Pit River, near Ranger Station. 1371 Comment
  CAS-BOT-BC242441  Bromus carinatus var. carinatus Bruce Bartholomew 1990-8-5 5660 Modoc Summit Trail, ca. 2 km N of Patterson Ranger Station, W side of Warner Mts. 2300 Comment
  CAS-BOT-BC242445  Bromus carinatus var. carinatus Bruce Bartholomew; Barrett Anderson 1990-7-20 5546 Modoc N edge of Howard Flat, W side of Warner Mts. 2000 Comment
  JEPS69180  Bromus carinatus var. carinatus Leland S. Smith 1918-6-22 971 Modoc Modoc National Forest, Pine Creek Canyon Pine Creek Canyon; Modoc National Forest, Pine Creek Canyon 2133 Comment
  UC1024967  Bromus carinatus var. carinatus Leo Whitney 1935-7-6 3441 Modoc Pit River near Lookout; Pit River Comment
  UC1037134  Bromus carinatus var. carinatus Leo Whitney 1935-6-8 3193 Modoc 2 mi ne of Hole-in-the-rock (18 mi wnw of Canby) Comment
  UC1137119  Bromus carinatus var. carinatus August L. Hormay 1936-7-14 Modoc Modoc National Forest, D D plot site Modoc National Forest; , D D plot site Comment
  UCD59095  Bromus carinatus var. marginatus A. A. Beetle 1941-6-29 2821 Modoc 15 miles west of Alturas, road to Cedarville Pass. 1524 Comment
  UCD59097  Bromus carinatus var. marginatus L. Whitney 1935-7-6 s.n. Modoc Pit River. Stone Coal Valley. Comment
  UCD59153  Bromus carinatus var. marginatus August L. Hormay 1932-7-16 s.n. Modoc Modoc National Forest, Crowder Ranger Station. Comment
  CHSC99779  Bromus japonicus Lowell Ahart; John Dittes 2008-6-21 14987 Modoc On dry soil, about 10 yards north of a large culvert, on the 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
  UC1024902  Bromus madritensis subsp. rubens Leo Whitney 1935-5-21 3113 Modoc 15 mi nw of Canby (Modoc National Forest, Hackamore, Lake Joaquina); Modoc National Forest, Hackamore, Lake Joaquina 1463 Comment
  CAS-BOT-BC242500  Bromus tectorum Leland S. Smith 1924-5-3 1349 Modoc Egg Lake. 1310 Comment
  HSC80910  Bromus tectorum G. M. Riegel 1980-7-8 830 Modoc South Warner Mtn. 530 Comment
  SEINET3923587  Bromus tectorum Leo Whitney 1935-5-21 3115 Modoc Hackamore, about 15 miles northwest of Canby, Modoc National Forest.; 0 1463 Comment
  UC1024846  Bromus tectorum Leo Whitney 1935-6-9 3204 Modoc White Horse Comment
  UC7748  Calandrinia ciliata Milo S. Baker 1893-7-1 Modoc shore of lake Egg Lake 1371 Comment
  CAS-BOT-BC95103  Callitriche fassettii John Thomas Howell 1934-6-15 s.n. Modoc Alturas. Comment
  CAS-BOT-BC95101  Callitriche palustris Verne Grant; I. Schneider 1947-7-22 8136 Modoc North Fork of Pit River by State Quarantine Station, Highway 395, N of Alturas. Comment
  UC1101515  Callitriche verna Verne Grant and Irving Schneider 1947-7-22 8136 Modoc n of Alturas (North Fork of Pit River by State Quarantine Station); North Fork of Pit River Comment
  CAS-BOT-BC244936  Calochortus leichtlinii Fred. P. Cronemiller 1920-8-13 22 Modoc Mill Creek Meadow. 2438 Comment
  HSC81152  Calochortus leichtlinii G. M. Riegel 1979-7-15 527 Modoc S Warner Mtns. 1739 Comment
  CHSC67722  Calochortus longebarbatus J. D. Jokerst 1983-7-14 1841 Modoc NW of Aden, center of south edge of Township/Range. 150 meters SW of logging road. Comment
Read comments
Jul 6 2007
  CAS-BOT-BC242139  Calochortus macrocarpus Elmer Ivan Applegate 1932-8-4 8149 Modoc Near and above Jess Valley, S fork of Pit River. Comment
  UC1036061  Calochortus macrocarpus Annie M. Alexander and Louise Kellogg 1946-7-5 4907 Modoc w of Lower Lake; Lava Cliff Comment
  JEPS17723  Calochortus macrocarpus Rimo Bacigalupi with G. T. Robbins 1955-7-20 5384 Modoc 5.5 mi ne Alturas (near junction of Cedar Pass rd and U.S. Hwy 395) 1371 Comment
  RSA78908  Calochortus macrocarpus E. K. Balls, Percy C. Everett 1952-10-10 18149 Modoc Above S. Fk. Public Camp, 8 mi. E. of Likely on road to Jess Valley. 1555 Comment
  UC118787  Caltha leptosepala Mrs. R. M. Austin July 1894 139 Modoc Lassen Creek Comment
  HSC17642  Calyptridium umbellatum M. T. Milligan 1964-7-25 167 Modoc Pine Creek Basin, along trail. 2439 Comment
  HSC64521  Calyptridium umbellatum J. P. Smith, J. O. Sawyer 1973-8-8 7226 Modoc Near summit of Eagle Peak 2988 Comment
  CAS-BOT-BC242127  Camassia quamash subsp. breviflora Bruce Bartholomew 1990-6-15 5237 Modoc SE corner of Sweagert Flat. 1860 Comment
  CAS-BOT-BC242131  Camassia quamash subsp. breviflora John H. Hatton 1911-6-10 34 Modoc Modoc County. 1249 Comment
  POM312339  Camelina microcarpa Verne Grant, Irving Schneider 1947-7-20 8108 Modoc North Fork of Pit River, downstream from Alturas. Comment
  UCD150429  Camelina microcarpa Harry A. George 1966-6-2 s.n. Modoc Davis Creek, Lakeside Ranch. Comment
  JEPS118276  Camissonia contorta Lowell Ahart, John Dittes 2011-6-22 17544 Modoc On the west side of the road, about 30 yards north of the Pilot Butte Parking Lot, north edge of Ash Creek Floodplain, 1.1 miles (air) south of County Road 87, 7.7 miles (air) west of Adin, 10 miles (air) east of Lookout, Big Valley 1264 Comment
  UC1368464  Camissonia contorta R. K. Gierisch 1969-7-15 3543 Modoc Modoc <National> Forest Comment
  JEPS31704  Camissonia contorta L. S. Smith 1918-7-20 1197 Modoc Round Valley Comment
  NY852076  Camissonia tanacetifolia B. M. Bartholomew 1988-5-13 4176 Modoc West side of Jess Valley on West Warner Road, west side of the Warner Mountains 1600 Comment
  NY852084  Camissonia tanacetifolia B. J. Ertter 1988-6-18 7606 Modoc West side of Hwy 139 just south of where it crosses railroad at junction to Clear Lake, northeast of Dry Lake east of Lava Beds National Monument 1250 Comment
  HSC16516  Camissonia tanacetifolia M. T. Milligan 1964-4-25 Modoc S end of Lower Cummings Reservoir, along base of dam Comment
  SEINET5512263  Camissonia tanacetifolia J. C. Beatley 1964-1 Modoc Locally common in Tule Lake area 1829 Comment
  CAS-BOT-BC191076  Camissonia tanacetifolia subsp. tanacetifolia M. M. Hanna 1956-6-7 1005 Modoc Junction of Hwy 139 and Glass Mt. Road. Comment
  CAS-BOT-BC58430  Cardamine breweri var. breweri Roxana Stinchfield Ferris; R. Duthie 1919-6-13 46 Modoc Parker Creek near Modoc National Forest Boundary. Comment
  CAS-BOT-BC242400  Carex Annie Montague Alexander; L. Kellogg 1946-7-23 5047 Modoc Emerson Peak. 2750 Comment
  CAS-BOT-BC242329  Carex abrupta Louis Cutter Wheeler 1935-8-16 3878 Modoc Dismal Swamp. 2225 Comment
  HSC7045  Carex aquatilis M. T. Milligan 1965-7-10 425 Modoc W slope of Eagle Peak. 2439 Comment
  UC1100439  Carex atherodes Herbert L. Mason, Verne Grant 1947-7-11 13376 Modoc s Alturas (irrigation ditch near west side road); South Fork of Pit River Comment
  SEINET10644700  Carex athrostachya Louis C. Wheeler 1935-8-16 Wheeler 3878 Modoc Damo sunny meadow. Dismal Swamp, Twenty Mile Cr., Warner Mts. S31, T48N, R16E. 2225 Comment
  HSC48006  Carex bolanderi D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19502 Modoc Big Valley Summit, 6 mi. W of Adin on Hwy. 299 Comment
  CAS-BOT-BC245190  Carex douglasii Alice Eastwood; John Thomas Howell 1940-6-13 8179 Modoc E side of Cedar Pass. Comment
  CHSC85178  Carex douglasii John Dittes; Josephine Guardino 1991-7-21 385 Modoc Modoc Plateau; Big Valley; Ash Creek Wildlife Area; ca. 7.7 air-miles northeast of Bieber, ca. 4.0 air-miles west by southwest of Adin, ca. 5.0 air-mile east by southeast of Pilot Butte summit, ca. 0.6 mile east of Walters Road and Owl Barn; meadow at southern edge of Ash Creek Floodplain. 1271 Comment
  CAS-BOT-BC245184  Carex hoodii Annie Montague Alexander; L. Kellogg 1946-7-19 5031 Modoc Benton Meadow. 2072 Comment
  CAS-BOT-BC245185  Carex hoodii Bruce Bartholomew; Barrett Anderson 1988-7-21 4457 Modoc Vicinity of Patterson Campground, southern end of the Warner Mts. 2190 Comment
  CAS-BOT-BC242360  Carex jonesii Louis Cutter Wheeler 1935-8-16 3877 A Modoc Dismal Swamp. 2225 Comment
  RSA504648  Carex jonesii Bruce Bartholomew, B. Anderson 1988-7-21 4606 Modoc Above Upper Rush Creek Campground ca. 4 km. E of State Highway 299 between Adin and Canby. 1580 Comment
  CHSC109226  Carex luzulina L. P. Janeway; B. Castro 2012-7-24 10953 Modoc Warner Mountains. Along Forest Road/County Road 2 (the road from New Pine Creek to Fort Bidwell) 1.4 air km east of Lily Lake and 1.8 air km southwest of Dismall Swamp. 2250 Comment
  CAS-BOT-BC245183  Carex microptera Annie Montague Alexander; L. Kellogg 1946-7-17 5007 Modoc Benton Meadow. 2072 Comment
  CAS-BOT-BC245178  Carex multicaulis Bruce Bartholomew 1992-5-17 6345 Modoc SW side of White Horse Mountains, SW of White Horse Flat Reservoir. 1460 Comment
  CAS-BOT-BC245181  Carex multicaulis John H. Hatton 1911-6-15 116 Modoc Near Huffman's ranch. 1493 Comment
  CHSC106173  Carex nebrascensis Lowell Ahart; John Dittes 2010-8-30 17086 Modoc About 400 yards west the bridge across Ash Creek, Elkins Lane, Ash Creek State Wildlife Area, 4215 feet north of Lassen County Line, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1277 Comment
  POM204121  Carex nebrascensis J. T. Howell 1934-6-15 12190 Modoc Alturas. Comment
  UC1537622  Carex nebrascensis Gordon H. True Jr. 1939-6-13 997 Modoc near Likely; Pit River Comment
  CAS-BOT-BC245158  Carex petasata Clare Butterworth Hardham 1961-6-17 7808 Modoc North fork of the Pit River, 3.3 mi. S of junction of 395 and 8A. Comment
  HSC96002  Carex praegracilis Juha Pykala, D. H. Norris 1987-5-27 1165 Modoc Modoc National Forest, N end of Big Sage Reservoir, very near the road from Crowder Flat Rd. to Dead Horse Reservoir 1494 Comment
  HSC96159  Carex praegracilis Juha Pykala, D. H. Norris 1987-5-28 1227 Modoc Surprise Valley, near NW end of Middle Alkali Lake, E of Gravel Pits, about 1 mi. from the Cedarville-Lake City Rd., the Fortynine Rd. 1296 Comment
  HSC97777  Carex praegracilis Juha Pykala, D. H. Norris 1987-5-27 1024 Modoc Modoc National Forest, Rush Creek, between Lower and Upper Rush Creek Campgrounds 1463 Comment
  POM304483  Carex praegracilis Alice Eastwood, John Thomas Howell 1940-6-12 8035 Modoc Likely Comment
  CHSC109478  Carex scopulorum var. bracteosa L. P. Janeway; B. Castro 2012-7-27 11020 Modoc Warner Mountains. North-sloping meadow opening just above Mineral spring, 0.5 air km east of Yellow Mountain. 2361 Comment
  RSA233773  Carex subfusca Robert F. Thorne, C. W. Tilforth 1969-9-5 39145 Modoc Margin of small slough along South Fork of Pit River above jct. with West Creek at Public Campground, ca. 6 miles E of Likely. 1402 Comment
  CAS-BOT-BC180131  Castanopsis sempervirens Bruce Bartholomew 1989-7-15 4984 Modoc 7 km from State Hwy 299 on road to Manzanita Mountain. 1830 Comment
  CAS-BOT-BC180134  Castanopsis sempervirens Bruce Bartholomew 1989-7-14 4977 Modoc Vicinity of Upper Rush Creek Camp Ground. 1580 Comment
  UCR34487  Castilleja J. A. Harpel 1981-8-7 V- 52 Modoc Warner Mtns, South Warner Wilderness Area, Pine Creek Basin Trail, 7 mi. NW of Eagleville 2490 Comment
  CAS-BOT-BC226002  Castilleja applegatei subsp. pinetorum Bruce Bartholomew; Barrett Anderson 1988-5-13 4172 Modoc Ca. 1 km SE of Parker Creek Road on West Warner Road, W side of the Warner Mts.. 1710 Comment
  UC444824  Castilleja applegatei subsp. pinetorum Milo S. Baker Modoc Forestdale Comment
  UC585189  Castilleja applegatei subsp. pinetorum E. B. Babcock, G. L. Stebbins Jr. 1936-6-9 1802 Modoc hill above Lake City 1524 Comment
  UC885467  Castilleja applegatei subsp. pinetorum C. L. Hitchcock 1940-5-27 6677 Modoc 15 mi ne Alturas 1615 Comment
  UCSB2014  Castilleja applegatei subsp. pinetorum Haller, John 1962-6-7 Modoc Little Meadows campground, South Fork of the Pit River, 8 miles east of Likely, 1.5 miles west of the western end of Jess Valley, Warner Mountains 1524 Comment
  CAS-BOT-BC226007  Castilleja arachnoidea Elmer Ivan Applegate 1932-8-1 8012 Modoc Crest of Warner Mountains just S of Warren Peak. Comment
  JEPS120884  Castilleja chromosa Lowell Ahart, John Dittes, Todd Sloat 2013-6-8 18765 Modoc About 300 yards E of the Parking Area, E of the old barn, Ash Creek Wildlife Area, about 3.9 air miles W of Adin, about 7.7 air miles NE of Bieber. Big Valley. Comment
  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
  CHSC71889  Castilleja lacera Vernon H. Oswald; Lowell Ahart 1998-9-8 9594 Modoc County Rd. 95 at Taylor Creek northwest of Lookout and ca. 0.5 air mi northeast of Lookout Junction. 1280 Comment
  JEPS86371  Castilleja lacera Jack and Betty Guggolz 1988-6-30 969 Modoc near Old Canyon Mill Road Comment
  JEPS8722  Castilleja linariifolia W. I. Follett 1942-9-10 138 Modoc Cowhead Lake, ne corner of Modoc County Cowhead Lake Comment
  UC725308  Castilleja linariifolia A. A. Heller 1940-6-29 15746 Modoc about 5 mi w Alturas (on U.S. Hwy 299) Comment
  CAS-BOT-BC226048  Castilleja miniata Elmer Ivan Applegate 1932-7-31 7977 Modoc Mill Creek Meadow, western slope of Warner Mts. Comment
  UC748087  Castilleja miniata Annie M. Alexander and Louise Kellogg 1946-7-29 5088 Modoc Head of Eagle Creek; Warner Mountains Comment
  JEPS27956  Castilleja miniata Frances D. Payne 1931-7-4 316 Modoc Parker Creek, w slope of the Warner Range Parker Creek; Warner Range 1584 Comment
  CAS-BOT-BC241009  Castilleja pilosa Alice Eastwood; John Thomas Howell 1940-6-14 8206 Modoc Near Kelley Hot Springs Comment
  JEPS79123  Castilleja pilosa L. R. Heckard with R. Bacigalupi 1980-6-10 5226 Modoc sw margin Egg Lake (now dry); Egg Lake Comment
  SJSU11532  Castilleja rubicundula subsp. lithospermoides H. L. Buckalew 1961-6-23 Modoc by Stough Reservoir 1 mi N of Cedar Pass on Alturas-Cedarville Rd 2042 Comment
Read comments
Jun 3 2009
  CHSC109522  Castilleja tenuis L. P. Janeway; B. Castro 2012-7-25 10984 Modoc Warner Mountains. Slope along north side of Dismal Swamp. 2216 Comment
  JEPS126543  Castilleja tenuis Lowell Ahart, John Dittes 2016-6-6 20962 -A Modoc About 100 yards east of the Parking Area, about one mile south of the intersection of County Road 87 and Access Road to Pilot Butte Parking Area, 3.8 miles (air) east Lookout, 7.5 miles (air) west of Adin, Ash Creek State Wildlife Area. Comment
  HSC25994  Ceanothus integerrimus D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19516 Modoc Big Valley Summit, 6 mi. W of Adin on Hwy. 299 Comment
  CAS-BOT-BC217102  Ceanothus prostratus Milo Samuel Baker; Franklin P. Nutting 1894-6-8 s.n. Modoc Near Egg Lake. Comment
  CAS-BOT-BC217107  Ceanothus prostratus Roxana Stinchfield Ferris; R. Duthie 1919-6-14 115 Modoc Above Parker Creek. Modoc National Forest Comment
  CAS-BOT-BC217148  Ceanothus prostratus A. D. Borden 1911-5-20 s.n. Modoc W slope Sugar Hill. Comment
  RSA59344  Ceanothus prostratus E. K. Balls 1950-5-11 14632 Modoc 0.75 miles below E of crest of Fandango Pass (from Fort Bidwell - Lake City road to Bucks Creek Ranger Station on Hwy 395). 1860 Comment
  RSA59845  Ceanothus prostratus E. K. Balls 1950-5-15 14696 Modoc 8.5 miles NW Canby Hwy 139 to Klamath Falls. 1402 Comment
  UC18392  Ceanothus prostratus Milo S. Baker 1893-6 Modoc Red Soil 1524 Comment
  RSA152459  Ceanothus velutinus I. L. Wiggins, Dorothy B. Wiggins 1961-6-13 s.n. Modoc Brushy knoll near summit of Fandango Pass, Warner Mtns Comment
  CAS-BOT-BC95204  Cerastium fontanum Bruce Bartholomew 1994-5-27 6704 Modoc Bowman Spring W side of the Whitehorse Mountains near the Siskyou County line. 1400 Comment
  CAS-BOT-BC388227  Cerastium glomeratum B. Bartholomew 1992-5-16 6326 Modoc Lunsford Spring 1600 Comment
  CAS-BOT-BC181986  Cercis occidentalis Bruce Bartholomew 1992-5-14 6281 Modoc SW side of White Horse Mountains, SW of White Horse Flat Reservoir. 1400 Comment
  UCD22436  Cercocarpus ledifolius Brian Vanden Heuvel 2003-4-11 198 Modoc Warm Springs Valley. 6.3 miles west of Canby on CA 299, 1.3 miles west of Modoc National Forest boundary, on embankment on north side of road. 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-BC15072  Chaenactis douglasii var. douglasii Bruce Bartholomew 1990-6-17 5293 Modoc Along Emerson Creek, 2.8 km SW of County Rd 1, E side of Warner Mts. 1600 Comment
  JEPS34154  Chaenactis douglasii var. douglasii L. S. Smith 1918-7-7 977 Modoc Jess Valley Warner Mts. (sw slope of Warner Mts.) 1524 Comment
  SFV18028  Chaenactis douglasii var. douglasii J. A. Matos, D. C. Rudolph 1999-8-7 s. n. Modoc 1 mile east of Siskiyou county line along Lava Beds National Monumemt Road. 1310 Comment
  JEPS44979  Chamaebatiaria millefolium L. S. Smith 1918-6-23 1433 Modoc Modoc National Forest, w side Happy Camp Happy Camp; Modoc National Forest, Happy Camp Comment
  SJSU9560  Chamaesyce serpyllifolia W. Savage 1979-7-3 1300 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  JEPS39319  Chamerion angustifolium subsp. circumvagum L. S. Smith 1918-1 1063 Modoc Coyote Creek Warner Mts. Comment
  UC635382  Chamerion angustifolium subsp. circumvagum F. H. Frost 1925-7-24 109 Modoc Jess Valley Warner Mountains Comment
  CHSC99251  Chenopodium Lowell Ahart; John Dittes 2008-6-21 15010 Modoc Along a large levee, mountain meadow, in Big Valley, about 4.3 miles (air) northeast of the Headquarters at Ash Creek State Wildlife Area, about 7.3 miles (air) northeast of Bieber. 1266 Comment
  JEPS114754  Chenopodium Lowell Ahart, John Dittes 2008-6-21 15010 Modoc Along a large levee, mountain meadow, in Big Valley, about 4.3 miles (air) northeast of the Headquarters at Ash Creek State Wildlife Area, about 7.3 miles (air) northeast of Bieber 1266 Comment
  CDA31937  Chenopodium album L. Ahart, John Dittes 2008-8-25 15321 Modoc On the east bank (flood plain) of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout Comment
  CHSC112835  Chenopodium album Lowell Ahart; John Dittes 2013-7-24 18933 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
  CHSC117147  Chenopodium album Lowell Ahart; John Dittes 2016-7-14 21168 Modoc West side of 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 Cdounty Road 87, 1/73 miles (air) west of Adin, Big Valley. 1273 Comment
  CAS-BOT-BC95666  Chimaphila umbellata Annie Montague Alexander; L. Kellogg 1946-8-8 5118 Modoc Deep Creek Canyon. Comment
  JEPS58873  Chimaphila umbellata L. S. Smith 1917-9-18 162 Modoc Warner Mts., Lassen Creek 1889 Comment
  CAS-BOT-BC197833  Chorizanthe polygonoides var. polygonoides Bruce Bartholomew 1994-7-1 6747 Modoc 7.6 km NW of County Road 91 between Lookout and Lookout Jct. on County road 93. 1280 Comment
  CAS-BOT-BC197834  Chorizanthe polygonoides var. polygonoides Alice Eastwood; John Thomas Howell 1940-6-15 8300 Modoc 5 mi. N of Lookout. Comment
  CAS-BOT-BC15029  Chrysothamnus humilis Elmer Ivan Applegate 1932-8-1 8035 Modoc Arid summit of Warner Mts. N of Eagle Peak. Comment
  CAS-BOT-BC15002  Chrysothamnus nauseosus subsp. albicaulis Louis Cutter Wheeler 1935-9-10 3968 Modoc McGinty Reservoir, Devil's Garden. 1524 Comment
  POM229177  Chrysothamnus nauseosus subsp. albicaulis L. C. Wheeler 1935-9-10 3968 Modoc 1.5 miles SSW McGinty Reservoir, Devil's Garden 1524 Comment
  RSA78911  Chrysothamnus parryi subsp. nevadensis E. K. Balls 1952-10-11 18152 Modoc Off road to Fandango Pass, 2 miles SE of Buck's Creek Ranger Station. 1738 Comment
  UCR57482  Chrysothamnus viscidiflorus subsp. latifolius R. D. Goeden, D. Ricker 1989-8-23 890823- 19 Modoc Warner Mtns., Modoc National Forest, Fandango Pass, just west of Warner Mtn. 1841 Comment
  CAS-BOT-BC14984  Chrysothamnus viscidiflorus subsp. viscidiflorus Philip Alexander Munz 1951-9-14 16979 Modoc Jess Valley, S Warner Mountains 1630 Comment
  CAS-BOT-BC14993  Chrysothamnus viscidiflorus subsp. viscidiflorus Isabelo T. Kelly 1930-1-1 57 Modoc unspecified Comment
  CAS-BOT-BC14998  Chrysothamnus viscidiflorus subsp. viscidiflorus Delzie Demaree 1959-8-15 41478 Modoc Howard Gulch, Modoc National Forest near Canby Comment
  POM229873  Chrysothamnus viscidiflorus subsp. viscidiflorus L. C. Wheeler 1935-8-12 3828 Modoc Cottonwood Creek, Warner Mts. 1982 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
  UC1400383  Cicuta douglasii R. F. Thorne and C. W. Tilforth 1969-9-5 39160 Modoc Modoc National Forest, Warner Mountains, Clear Lake Clear Lake; Modoc National Forest, Warner Mountains, Clear Lake 1767 Comment
  CAS-BOT-BC191003  Circaea alpina subsp. pacifica K. Paulson; Robert Paulson 1988-7-11 76 Modoc Cedar Pass Campground. 1676 Comment
  CAS-BOT-BC191004  Circaea alpina subsp. pacifica Bruce Bartholomew; Barrett Anderson 1988-7-22 4524 Modoc Vicinity of Emerson Campground E side of the Warner Mts.. 1830 Comment
  CAS-BOT-BC191005  Circaea alpina subsp. pacifica Francis Dorris Payne 1935-7-19 801 Modoc Parker Creek. 1584 Comment
  HSC16244  Circaea alpina subsp. pacifica M. T. Milligan 1966-7-27 589 Modoc Slopes and ridges E of Jess Valley 1707 Comment
  UCR57505  Cirsium arvense R. D. Goeden, Don W. Ricker 1989-8-23 890823- 13 Modoc Modoc National Wildlife Refuge, Alturas 1341 Comment
  SJSU9621  Cirsium arvense W. Savage 1979-7-6 1428 Modoc Triangle, Fairchild Swamp Unit, Devils Garden District, Modoc National Forest 1493 Comment
  SEINET3840780  Cirsium arvense var. mite Thomas Parsons Fuller, T. W. 1960-7-26 4872 Modoc 1.5 miles South of Tulelake, Highway 139, in grain field Comment
  CAS-BOT-BC14959  Cirsium cymosum John Thomas Howell 1934-6-13 12058 Modoc Fandango Pass. 1828 Comment
  CHSC85426  Cirsium occidentale var. candidissimum John Dittes; Josephine Guardino 1991-8-23 451 Modoc Modoc Plateau; Warner Mountains; west slope, ca. 2.6 air-miles east by southeast of Goose Lake State Recreation Area, ca. 0.8 air-miles south of Oregon border, ca. 4.8 air-mile west of Dismal Swamp; Pine Creek Canyon, slope above Highgrade Road. 1545 Comment
  HSC65596  Cirsium occidentale var. candidissimum Thomas Wood 1979-8-9 230 Modoc Dirt road along Bidwell Creek, 2.7 mi. NW of jct. with Co. Hwy. 2. N of Fort Bidwell 1555 Comment
  UC71591  Cirsium occidentale var. candidissimum Mrs. M. H. Manning Jul 1 1903-Aug 1 1903 263 Modoc near Fort Bidwell Comment
  UC990708  Cirsium occidentale var. candidissimum Roxana S. Ferris 1951-4-14 12466 Modoc between Cedarville and Alturas; Warner Mountains, Cedar Pass Comment
  JEPS59228  Cirsium occidentale var. candidissimum W. L. Jepson 1918-8-6 7840 Modoc below Fandango Pass (800 ft on e slope); Surprise Valley 1615 Comment
  CAS-BOT-BC191066  Clarkia gracilis subsp. gracilis Bruce Bartholomew; Barrett Anderson 1988-6-23 4290 Modoc S side of Egg Lake, ca. 1.5 km W of the Burlington Northern railroad track. 1300 Comment
  POM260363  Clarkia gracilis subsp. gracilis C. L. Hitchcock 1940-5-28 6729 Modoc 15 miles north of Alturas, (near Surprise). 1402 Comment
  RSA134427  Clarkia lassenensis Peter H. Raven, Otto T. Solbrig 1958-6-18 13314 Modoc Cottonwood Flat Camp Ground, Modoc National Forest Comment
  SEINET5512252  Clarkia lassenensis J. C. Beatley 1964-1 Modoc Tule Lake area. Drainage area: Artemisia-Juniper 1829 Comment
  UCD150422  Clarkia lassenensis Harry A. George 1967-6-15 s.n. Modoc S. of Adin. Comment
  RSA41240  Clarkia rhomboidea A. M. Alexander, Louise Kellogg 1946-6-28 4863 Modoc Pine Creek Canyon, north end of Warner Mountains 1616 Comment
  SEINET10689254  Clarkia rhomboidea Milo S. Baker Baker s.n. 1893 Modoc Open timbered hillside, gravelly soil. Comment
  UC71666  Clarkia rhomboidea Mrs. M. H. Manning 1903-7 282 Modoc Warner Mt. 1524 Comment
  SEINET188374 Image available Claytonia lanceolata C. L. Hitchcock 1940-5-27 6717 Modoc 15 miles northeast of Alturas 1980 Comment
  SEINET195684 Image available Claytonia lanceolata var. sessilifolia Louise Kellogg 1946-6-15 4780 b Modoc Deep Creek 2190 Comment
  RSA0059503  Claytonia lanceolata var. sessilifolia C. L. Hitchcock 1940-5-27 6717 Modoc 15 miles NE of Alturas. 1982 Comment
  CAS-BOT-BC197440  Claytonia megarhiza Elmer Ivan Applegate 1932-8-3 8125 Modoc Summit of Eagle Peak, Warner Mts. 2743 Comment
  CAS-BOT-BC197466  Claytonia rubra subsp. rubra John Thomas Howell 1934-6-13 12078 Modoc Fandango Pass. 1828 Comment
  CAS-BOT-BC229866  Collinsia parviflora Bruce Bartholomew; Barrett Anderson 1988-6-24 4365 Modoc Vicinity of Patterson Campground, southern end of the Warner Mts. 2190 Comment
  POM260476  Collinsia parviflora C. Leo Hitchcock 1940-5-27 6687 Modoc 15 miles northeast of Alturas. 1616 Comment
  SEINET10317272 Image available Collinsia parviflora B. Bartholomew 1991-6-20 5780 Modoc NE side of Barber Ridge, 10 lm NW of Adin on road to Fox Mountain 1580 Comment
  UC1012480  Collinsia parviflora Francis W. Pennell Jun 8 1940-Jun 9 1940 25737 Modoc ne of Alturas (eastern slope of Warner Mountains); Warner Mountains 1737 Comment
  UC1025094  Collinsia parviflora Leo Whitney 1934-5-2 1655 Modoc near Hockamore (Modoc National Forest); Modoc National Forest 1463 Comment
  CAS-BOT-BC226096  Collinsia parviflora Mrs. H. C. Cantelow 1940-6-2 4395 Modoc NW of Canby, road to lava beds. Comment
  HSC20612  Collinsia parviflora M. T. Milligan 1964-6-20 56 Modoc 2 mi. N on Pencil Rd. from Hwy. 395 1372 Comment
  UC26625  Collinsia parviflora J. Burtt Davy Modoc Modoc County Comment
  RSA293354  Collinsia torreyi var. wrightii Reino Alava 1957-7-6 1180 -B Modoc About 1 mile east of Benton Meadows., Davis Creek Pass Road, Modoc National Forest. Comment
  HSC16918  Collomia grandiflora R. C. Wunner 1965-6-20 310 Modoc Lava Beds National Monument; Indian Well near Supt. residence area 1463 Comment
  UC71714  Collomia grandiflora Mrs. M. H. Manning 1903-10-11 35 Modoc ne Modoc County Warner Range 1828 Comment
  CHSC85163  Collomia linearis John Dittes; Josephine Guardino 1991-7-21 397 Modoc Modoc Plateau; Big Valley; Ash Creek Wildlife Area; ca. 7.7 air-miles northeast of Bieber, ca. 4.0 air-miles west by southwest of Adin, ca. 5.0 air-mile east by southeast of Pilot Butte summit, ca. 0.6 mile east of Walters Road and Owl Barn; meadow at southern edge of Ash Creek Floodplain. 1271 Comment
  UC1037299  Collomia tinctoria Leo Whitney 1934-5-27 1638 Modoc rocky flat near Hockamore; Modoc National Forest 1463 Comment
  UC1060655  Collomia tinctoria Herbert L. Mason 1957-7-6 14718 Modoc Mill Creek Warner Mountains Comment
  CAS-BOT-BC21480  Conium maculatum Bruce Bartholomew 1990-6-17 5286 Modoc Surprise Valley, SW side of Lower Alkali Lake, 3.2 km N of Lassen County border. 1370 Comment
  CAS-BOT-BC95591  Convolvulus arvensis Leland S. Smith 1920-7-4 1172 Modoc Alturas. 1341 Comment
  CHSC111101  Convolvulus arvensis Lowell Ahart; John Dittes 2012-7-12 18378 Modoc On the east side of Elkins Lane, about 100 yards north of the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1262 Comment
  SBBG30598  Convolvulus arvensis D. Myrick 1968-6-20 1977 Modoc Davis Crk on Hwy 395, 15 mi N of Alturas Comment
  CAS-BOT-BC242183  Corallorhiza maculata Bruce Bartholomew; Barrett Anderson 1988-7-21 4607 Modoc Field redacted by CAS, contact the data manager for more information 1580 Comment
  CAS-BOT-BC242184  Corallorhiza maculata Bruce Bartholomew 1989-7-14 4982 Modoc Field redacted by CAS, contact the data manager for more information 1580 Comment
  CAS-BOT-BC242185  Corallorhiza maculata K. Paulson; Robert Paulson 1989-7-2 162 Modoc Field redacted by CAS, contact the data manager for more information 1621 Comment
  CHSC109506  Cordylanthus capitatus L. P. Janeway; B. Castro 2012-7-26 11000 Modoc Warner Mountains. Along Highgrade National Recreation Trail 0.9 km south of Little Lily Lake and 1.4 air km north of Mt. Vida. 2340 Comment
  JEPS62803  Cordylanthus capitatus Wayne Roderick 1970-8-23 Modoc about 3 mi n summit of Cedar Pass (nw of Cedarville) 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
  CAS-BOT-BC210269  Cornus sericea Frances Payne 1931-6-10 141 Modoc Parker Creek, Warner Mts. 1584 Comment
  POM77924  Cornus stolonifera Mrs. R. M. Austin 1893-07 503 Modoc Davis Creek Comment
  CAS-BOT-BC197566  Crataegus douglasii Leland S. Smith 1917-9-10 156 Modoc Fandango Trail. 2133 Comment
  CHSC115557  Crataegus douglasii Lowell Ahart; John Dittes 2015-7-15 20356 Modoc East side of Elkins Lane, about 50 yards southeast of the bridge across Ash Creek (destroyed), about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  CAS-BOT-BC14949  Crepis acuminata K. Paulson 1989-7-2 164 Modoc Happy Camp Lookout. 1850 Comment
  CAS-BOT-BC14882  Crepis modocensis Alice Eastwood; John Thomas Howell 1940-6-13 8148 Modoc Fandango Pass. Comment
  UC31308 Image available Crepis modocensis Mrs. R. M. Austin Jun 1894 Modoc Lava Beds Comment
  UC31331  Crepis modocensis Mrs. C. C. Bruce June 1898 2164 Modoc Lake City Mountain Comment
  UC540830  Crepis occidentalis David D. Keck and J. Clausen 1935-6-24 3713 Modoc hillside 3 mi ne Willow Ranch 1470 Comment
  CDA10001  Crepis occidentalis Mike Brooks 2008-6-3 PDR# 1291669 Modoc Alturas, Carlos St. 0 Comment
  UC485360  Crepis occidentalis M. F. Gilman 625 Modoc canyons 1676 Comment
  UCD150425  Crepis occidentalis Harry A. George 1966-6-3 s.n. Modoc Alturas Airport. Comment
  UC748134  Crepis occidentalis subsp. occidentalis Annie M. Alexander and Louise Kellogg 1946-6-10 4715 Modoc top of lava bench between Lower Lake and Snake Lake Comment
  CHSC107114  Crepis pleurocarpa Dale Woods; V. Popescu, B. Villegas 2010-6-30 Modoc Modoc National Forest, Kelly Springs Road; about 2 miles southeast of Hwy 299. Comment
  CAS-BOT-BC95593  Cressa truxillensis Bruce Bartholomew 1991-8-4 6014 Modoc W side of Goose Lake, 10.5 km N of McGinty Point. 1460 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-BC14829  Crocidium multicaule Bruce Bartholomew; Barrett Anderson 1988-5-13 4144 Modoc Along Parker Creek Road, 2.7 km W of Modoc National Forest and ca. 16 km WSW of Alturas, W side Warner Mts. 1490 Comment
  HSC4706  Crocidium multicaule M. G. Burgoyne 1962-4-12 1001 Modoc 15 mi. W of Cedarville on Cedar Pass Hwy. 1982 Comment
  RSA564303  Crocidium multicaule George K. Helmkamp, E. A. Helmkamp 1993-5-4 s.n. Modoc 16.1 miles northwest of Canby. Along California Highway 139. 1280 Comment
  RSA175702  Crocidium multicaule A. J. Cronquist 1963-5-14 9855 Modoc On gentle slope leading up to the west base of the Warner Mountains, near Cedar Pass, between Cedarville and Alturas, 9 miles from Alturas. 1494 Comment
  UC1179049  Crocidium multicaule Herbert L. Mason 1949-4-16 13997 Modoc mesa e of Alturas Comment
  CDA36150  Crupina vulgaris CDFA Staff Jun 1992 Modoc 0 Comment
  CHSC112975  Crypsis alopecuroides Lowell Ahart; John Dittes 2013-7-24 18932 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
  CHSC116065  Crypsis alopecuroides Lowell Ahart; John Dittes 2015-7-16 20385 Modoc North edge of Ash Ceek (destroyed), southeast of gravel pit (destroyed), about 1/8 mile east of parking area on east side of Elkins Lane, Ash Ceek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  UC1140902  Crypsis vaginiflora L. Whitney 1935-7-21 3563 Modoc Stone Coal Valley Pit River Comment
  JEPS90284  Cryptantha ambigua Dean Wm. Taylor with Glenn L. Clifton 1989-8-4 10522 Modoc on road to Emerson Camp from Surprise Valley (Warner Mountains, Cole Creek, Emerson Creek drainage); Warner Mountains, Cole Creek 1554 Comment
  UC857049  Cryptantha ambigua Milo S. Baker 1936-6-14 8311 Modoc several mi n Quarantine Station (along highway Malin to Canby) Comment
  CAS-BOT-BC54104  Cryptantha intermedia Milo Samuel Baker; Franklin P. Nutting 1894-6-29 Modoc Big Valley near Lookout. Comment
  CAS-BOT-BC54110  Cryptantha intermedia C. C. (Mrs.) Bruce 1893-6-1 84 Modoc Davis Creek. Comment
  CAS-BOT-BC54149  Cryptantha intermedia Mrs. H. C. Cantelow 1940-6-2 3318 Modoc 9.3 mi NW of Canby. Comment
  UC194969  Cryptantha intermedia W. P. Taylor and H. C. Bryant 1910-6-26 Modoc Parker Creek Warner Mountains 1676 Comment
  UC726224  Cryptantha intermedia A. A. Heller 1941-6-26 16213 Modoc 8 mi w Alturas 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
  RSA164361  Cryptantha simulans Clare B. Hardham 1961-6-19 7843 Modoc Willow Creek. 1524 Comment
  NY1112081  Cryptantha watsonii H. D. D. Ripley 1944-6-1 6007 Modoc East of Cedarville 1250 Comment
  UCD126236  Cuscuta approximata Mary H. Manning 1918-8-1 s.n. Modoc Condan Ranch, Ft. Bidwell. 1402 Comment
  CHSC75477  Cusickiella douglasii V. H. Oswald; B. Corbin, A. Sanger, G. Schoolcraft 1999-6-12 9764 Modoc Soldier Creek Canyon adjacent to USFS 43N57 in the Warner Mtns. northeast of Stough Reservoir Campground, north side of Hwy. 299, east side of Cedar Pass. 2072 Comment
  HSC31349  Cystopteris fragilis D. H. Norris, T. Nelson, S. Dowty 1971-6-23 19456 Modoc Upper Rush Creek Campground, about 8 mi. N of Adin on Hwy. 299 Comment
  UCD60284  Dactylis glomerata L. D. Whitney 1945-8-3 s.n. Modoc Buck Creek. Comment
  CAS-BOT-BC245212  Damasonium californicum Bruce Bartholomew 1991-6-21 5826 Modoc Vicinity of Drift Fence Tank, 2 km S of Forest Service road 73 on road to Rim Rock Valley. 1580 Comment
  CAS-BOT-BC245217  Damasonium californicum Bruce Bartholomew; Barrett Anderson 1990-7-19 5411 Modoc Turner Creek at County Rd 90, N end of Big Valley, 6.4 km N of Lassen County border. 1230 Comment
  POM119130  Damasonium californicum Mrs. R. M. Austin 1895-07 481 Modoc Fletcher s Creek. Devil s Garden. Comment
  UC1536802  Damasonium californicum Gordon H. True Jr. 1930-6-25 1014 Modoc Boles Meadow n.w. of Alturas Comment
  UCR163913  Danthonia californica var. californica Jim Andre 1993-6-30 1405 Modoc Modoc Plateau, about 10 miles NW of Canby on Hwy 139, near NW end of Oak Ridge 1494 Comment
  HSC80692  Dasiphora fruticosa G. M. Riegel 1979-7-23 575 Modoc S Warner Mtns. 1829 Comment
  JEPS114376  Deinandra lobbii Lowell Ahart, John Dittes 2008-8-25 15328 Modoc On the east side County Road 91, 3.9 miles (air) north-northeast of Lookout 1275 Comment
  CAS-BOT-BC217304  Delphinium nudicaule Bruce Bartholomew 1994-5-14 6684 Modoc Near Day Rock. 1280 Comment
  CAS-BOT-BC217305  Delphinium nudicaule Bruce Bartholomew; M; M. Gilbert; L. E. Skog 1993-5-12 6522 Modoc 1.4 km W of railroad track on County Road 95 between Lookout and Egg Lake. 1290 Comment
  UC467760  Delphinium nudicaule Milo S. Baker 1894-1 Modoc Forestdale Comment
  RSA520359  Delphinium nudicaule Bruce Bartholomew 1989-6-3 4919 Modoc Stone Coal Valley, 3km E of State Hwy 299. 1400 Comment
  CAS-BOT-BC217276  Delphinium nuttallianum E. S. Willits 1940-5-6 222 Modoc Open hillside near Lassen Creek, Willow Ranch. 1371 Comment
  HSC27056  Delphinium nuttallianum D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-22 19336 Modoc Soup Springs Campground Comment
  NY487920  Delphinium nuttallianum B. M. Bartholomew 1989-4-29 4687 Modoc Surprise Valley Road, just south of the Oregon border, extreme northeast corner of Modoc County. 1630 Comment
  RSA488035  Delphinium nuttallianum Bruce Bartholomew, B. Anderson 1988-5-12 4117 Modoc S side of Egg Lake. 1300 Comment
  RSA520482  Delphinium stachydeum Bruce Bartholomew, B. Anderson 1989-6-2 4810 Modoc NE side of Upper Lake, 4km S of road to Fee Reservoir, NE end of Surprise Valley. 1420 Comment
  UC1024905  Deschampsia danthonioides Leo Whitney 1935-6-1 3108 Modoc 1 mi. s.w. White Horse Comment
  UCR163107  Deschampsia danthonioides Jim Andre 1993-7-3 1426 Modoc Modoc Plateau, about 10 miles NW of Canby on Hwy 139, near NW end of Oak Ridge 1494 Comment
  UCR163264  Deschampsia danthonioides Jim Andre 1993-7-2 1429 Modoc Modoc Plateau, about 10 miles NW of Canby on Hwy 139, near NW end of Oak Ridge 1494 Comment
  SEINET10524162  Deschampsia danthonioides Alan A. Beetle 1941-6-29 Beetle 2838 Modoc South slope of Mt. Adin, sandy disturbed soil in roadside ditch. Comment
  CAS-BOT-BC247768  Deschampsia elongata Bruce Bartholomew; Barrett Anderson 1990-7-20 5516 Modoc Tamarack Flat, E side of Warner Mts. 2150 Comment
  CHSC85398  Deschampsia elongata John Dittes; Josephine Guardino 1991-8-24 459 Modoc Modoc Plateau; Warner Mountains; west slope, ca. 8.2 air-miles east of Goose Lake, ca. 2.3 air-miles south of Dismal Swamp, ca. 1.6 air-mile west of Bidwell Mtn.; tributary of Bidwell Creek west of Highgrade Road. 2087 Comment
  JEPS68508  Deschampsia elongata Leland S. Smith 1918-8-10 1069 Modoc Silver Creek Comment
  UC70674  Deschampsia elongata Mrs. M. H. Manning June 1903 430 Modoc n.e. Modoc Co. Comment
  CAS-BOT-BC58622  Descurainia incisa K. Paulson; Robert Paulson 1988-6-29 67 Modoc N of Benton Meadow along Davis Creek, Warner Mts.. 1676 Comment
  CAS-BOT-BC42982  Descurainia incisa subsp. incisa Roxana S. Ferris; Laura Lorraine 1941-8-13 10573 Modoc Modoc National Forest. Warner Mountains. Patterson Ranger Station (East Creek drainage). 2164 Comment
  HSC6716  Descurainia longipedicellata M. T. Milligan 1966-6-29 489 Modoc N end of Jess Valley 1616 Comment
  UC1083170  Descurainia pinnata F. H. Frost 1925-5-24 2 Modoc Steamboat Canyon Comment
  CAS-BOT-BC58609  Descurainia pinnata subsp. brachycarpa Bruce Bartholomew; Barrett Anderson 1988-5-12 4132 Modoc Clong the N side of the Pit River, 0.5 km W of State Highway 299 on Bushey Road. 1310 Comment
  CAS-BOT-BC58611  Descurainia pinnata subsp. brachycarpa Bruce Bartholomew; M. Gilbert; L. Skog 1993-5-10 6445 A Modoc At the Nevada border directly E of Eagleville, E side of Surprise Valley. 1520 Comment
  CAS-BOT-BC58613  Descurainia pinnata subsp. brachycarpa Alice Eastwood; John Thomas Howell 1940-6-12 8051 Modoc Between Likely and Jess Valley. Comment
  UC3253  Dichelostemma capitatum Milo S. Baker 1893-7-12 Modoc Comment
  CAS-BOT-BC242119  Dichelostemma capitatum subsp. capitatum Bruce Bartholomew; Mona Bourell 1990-4-26 5148 Modoc 0.5 km S of Day. 1100 Comment
  CAS-BOT-BC242122  Dichelostemma capitatum subsp. capitatum Bruce Bartholomew 1994-5-14 6680 Modoc NW of Day between Oilar Ranch and Day Rock. 1190 Comment
  CAS-BOT-BC242115  Dichelostemma multiflorum Roxana Stinchfield Ferris; R. Duthie 1919-6-13 68 Modoc Near Parker Creek, 15 mi. from Alturas. Comment
  CAS-BOT-BC502682  Dichelostemma multiflorum Mrs. A. H. Rodda 1932-7-1 s. n. Modoc Near Macarthur Comment
  CAS-BOT-BC49464  Dieteria canescens var. shastensis Leland S. Smith 1917-9-8 155 Modoc Fandango Valley, Warner Mountains 1524 Comment
  CAS-BOT-BC14839  Dimeresia howellii Francis Marion Ownbey; Frederick Gustav Meyer 1940-7-1 2136 Modoc Cedar Pass, Warner Mountains Comment
  CAS-BOT-BC172826  Dimeresia howellii B. Bartholomew 1991-6-22 5858 Modoc 2.9 km NE of road between Fort Bidwell and Fee Resrvoir on road to Big Mud Lake 1680 Comment
  HSC80855  Dimeresia howellii G. M. Riegel 1980-7-15 Modoc South Warner Mtns. 2100 Comment
Read comments
Jan 28 2011
  JEPS30363  Dimeresia howellii Peter H. Raven 1962-5-29 17879 Modoc 3.4 mi e Cedar Pass (in canyon s of highway); Warner Mountains Comment
  RSA109317  Dimeresia howellii H. K. Sharsmith 1955-6-23 4490 Modoc North of Hwy 28 and 6.7 miles east of Cedar Campground 1860 Comment
  RSA155895  Dimeresia howellii Peter H. Raven 1962-5-29 17879 Modoc Canyon south of Hwy 3.4 miles east of Cedar Pass. Warner Mountains Comment
  UC705643  Dimeresia howellii Marion Ownbey and Fred G. Meyer 1940-7-1 2136 Modoc Cedar Pass; Warner Mts. Comment
  CHSC79575  Diplacus cusickii S. E. Schoenig 1998-7-4 98 -67 Modoc On N side of Granger Cyn. Rd., 1.5 mi W of Surprise Valley Rd. This intersection being 3.7 miles S of Hwy 299 at Cederville. 1493 Comment
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Mar 10 2006
  CAS-BOT-BC229910  Diplacus cusickioides P. Monnet 1913-7-7 882 Modoc Warner's Range. 1828 Comment
  CAS-BOT-BC234518  Diplacus jepsonii Bruce Bartholomew 1995-6-24 7032 Modoc 0.3 km W of turn off to Dusty's Waterhole from Forest Service Road 42N23. 1320 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-BC234451  Diplacus nanus Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16413 Modoc Steep mountainside near summit of Cedar Pass. 1935 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-BC234455  Diplacus nanus Bruce Bartholomew 1990-6-15 5215 Modoc SW side of of Hunters Ridge, 6.3 km SSE of Hwy 299 on road from Rush Creek. 1640 Comment
  CAS-BOT-BC234488  Diplacus nanus Elmer Ivan Applegate 1897-6-2 889 Modoc Pit River Valley S of Alturas. Comment
  CHSC57235  Diplacus nanus David M. Thompson 1988-6-2 926 Modoc 8 1/2 air mi NNE of Adin. 0.2 mi W of campground loop road of Upper Rush Creek Campground; ca. 2 mi E of Hwy 139-299. 1600 Comment
  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
  CHSC14072  Diplacus tricolor K. R. Stern; D. B. Joley, J. G. Geschke 1974-6-22 5825 Modoc W side of Egg Lake. 1295 Comment
  HSC7537  Dipsacus fullonum M. T. Milligan 1964-8-8 223 Modoc 200 yards S of Pine Creek Blvd. on Hwy. 395 1372 Comment
  CAS-BOT-BC248350  Dodecatheon conjugens B. Bartholomew; H. Sun 2002-6-24 8833 Modoc Ca. 1 km NW of Bald Mt., E side of the Warner Mountains 2290 Comment
  UC75672  Dodecatheon conjugens Milo S. Baker 1896-5-15 81 Modoc Forestdale Comment
  UC22374  Dodecatheon conjugens Mrs. C. C. Bruce June 1898 2802 Modoc <?>ake<?>ly Mt. Comment
  JEPS101744  Dodecatheon pulchellum Dean W. Taylor 1992-5-8 12561 Modoc Warner Mountains, Mt. Bidwell, ca. 0.5 miles E of Moonlite Mines 2432 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-BC95127  Downingia bacigalupii E. S. Willits 1940-6-10 343 Modoc Adin. Comment
  UC187453  Downingia bacigalupii Milo S. Baker 1893-7-25 Modoc near shore of Egg Lake Comment
  CAS-BOT-BC95125  Downingia bacigalupii Leland S. Smith 1920-5-17 1146 Modoc Gravens 1402 Comment
  JEPS108446  Downingia bacigalupii Lisa Schultheis 1996-6-28 310 -96 Modoc Along E side of route 139, 18.1 mi S of Tionesta Rd. turnoff to Lava Beds. Comment
  JEPS108475  Downingia bacigalupii Lisa Schultheis 1995-6-28 231 -95 Modoc N of Lookout, along Cty Rd. 94 at railroad crossing. Comment
  JEPS14450  Downingia bacigalupii L. S. Smith 1920-5-17 1146 1-2 Modoc Gravens Modoc Forest 1402 Comment
  JEPS14499  Downingia bicornuta var. bicornuta Milo S. Baker 1893-6 Modoc Egg Lake Comment
  UC1192032  Downingia bicornuta var. bicornuta Herbert L. Mason and Verne Grant 1947-7-12 13412 Modoc s of Alturas (w side of Pit River Valley); Pit River Valley Comment
  UC1537635  Downingia bicornuta var. bicornuta Gordon H. True Jr. 1939-6-25 1034 Modoc ne of Alturas; Boles Meadow Comment
  CAS-BOT-BC95136  Downingia insignis Rimo Bacigalupi; L. R. Heckard 1952-6-18 3742 Modoc At Railroad crossing 0.75 mile east of Canby, along U.S. No. 299 Comment
  CAS-BOT-BC95140  Downingia insignis Frederick H. Frost 1925-7-28 176 Modoc Between Likely and Alturas. Comment
  UC1192039  Downingia insignis Verne Grant and Irving Schneider 1947-7-21 8115 Modoc 0.25 mi upstream South Fork of Pit River confluence with North Fork (by Alturas); South Fork of Pit River Comment
  CHSC99271  Downingia laeta Lowell Ahart; John Dittes 2008-6-21 14984 Modoc In the drying pond, north of the large culvert, east of the large levee, in Big Valley, about 2.8 miles (air) north of the Headquarters at Ash Creek State Wildlife Area, about 5.4 miles (air) northeast of Bieber. Comment
  HSC80857  Draba albertina G. M. Riegel 1980-8-9 1021 Modoc S Warner Mtns. 2183 Comment
  SEINET195668  Draba albertina Annie M. Alexander, L Kellogg 1946-8-3 5112 Modoc Head of Eagle Creek Warner Mts Comment
  UC10508  Draba albertina Mrs. C. C. Bruce June 1898 2248 Modoc Lake City Canyon Comment
  CAS-BOT-BC58551  Draba densifolia M. Vasey 1990-6-28 9005 Modoc In vicinity of pass at junction of N Emerson Lake Trail and Owl Creek Trail. 2590 Comment
  CAS-BOT-BC58553  Draba densifolia Annie Montague Alexander; L. Kellogg 1946-8-9 5142 Modoc Squaw Peak, Patterson Lake Trail, Warner Mts. Comment
  HSC75598  Draba paysonii G. M. Riegel 1980-8-14 1068 Modoc S Warner Mtns. 1829 Comment
  UC748058  Drymocallis Annie M. Alexander and Louise Kellogg 1946-7-23 5051 Modoc ne slope Emerson Peak; Warner Mountains Comment
  UC545658  Drymocallis glandulosa var. glandulosa John Thomas Howell 1934-6-13 12073 Modoc Fandango Pass Warner Mts. 1828 Comment
  HSC1028  Dryopteris expansa R. C. Wunner 1965-8-31 495 Modoc Lava Beds National Monument, Fern Cave entrance. Comment
  UC1593359  Dryopteris expansa Alan Smith with Chris Richards, C. Don MacNeill, and Gary Hathaway 1992-6-5 2534 Modoc Fern Cave; Lava Beds Nat'l Monument 1280 Comment
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May 30 2013
  UCR67444  Echinochloa crus-galli George K. Helmkamp 1990-9-23 I- 25 Modoc Warner Mtns, Goose Lake, within 0.1 mi of the Oregon border 1476 Comment
  CHSC100137  Elaeagnus angustifolia L. P. Janeway; B. Castro 2008-8-16 9539 Modoc Modoc Plateau. Surprise Valley; east side of Middle Alkali Lake, north side of Hwy 299 8.2 km east of Cedarville. Along dry drainage channel along north side of the road. 1370 Comment
  UC1101554  Elatine ambigua Herbert L. Mason 1947-7-10 13347 Modoc 2 air mi e Alturas (on little island); Doris Reservoir Comment
  JEPS127189  Elatine californica Lowell Ahart, John Dittes 2016-7-14 21211 -A Modoc South of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. Comment
  HSC7303  Eleocharis bella D. E. Anderson 1962-8-6 2327 Modoc Along Rush Creek paralleling Hwy. 299, 2 mi. E of Adin Comment
  CAS-BOT-BC242382  Eleocharis macrostachya R. K. Gierisch; D. H. Esplin 1969-7-16 3548 Modoc Spaulding Reservoir. 1432 Comment
  JEPS124386  Eleocharis obtusa Lowell Ahart, John Dittes 2015-7-15 20355 Modoc Ash Creek State Wildlife Area, about 3.9 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. Comment
  CAS-BOT-BC242387  Eleocharis quinqueflora Louis Cutter Wheeler 1935-8-15 3862 Modoc Dismal Swamp. 2225 Comment
  POM313060  Eleocharis quinqueflora Malcolm A. Nobs, Calvin McMillan 1949-6-16 796 Modoc Dry Valley Reservoir, 33 miles north-northwest of Alturas Comment
  CHSC116068  Elodea canadensis Lowell Ahart; John Dittes 2015-7-16 20381 Modoc Ash Creek (destroyed), southeast of gavel 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) northeasst of Bieber, Big Valley. 1267 Comment
  RSA603669  Elymus X hansenii L. C. Wheeler 1935-8-4 3779 Modoc Warner Mts., Dry Lake, Pine Creek 2104 Comment
  UC978995  Elymus X saundersii Leo Whitney 1935-7-19 3537 Modoc ca 15 mi nw Canby (dry bed of river); Modoc National Forest, Hackamore River 1463 Comment
  HSC8729  Elymus X saxicola M. T. Milligan 1966-7-7 567 Modoc East of Jess Valley. 1677 Comment
  UC1024909  Elymus X saxicola Leo Whitney 1935-7-3 3373 Modoc ca 17 mi nw Canby; Badger Wells Comment
  HSC65335  Elymus cinereus J. P. Smith, J. O. Sawyer 1973-8-9 7284 Modoc Blue Lake, Modoc Natl. Forest 1829 Comment
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Jul 11 2013
  RSA163810  Elymus elymoides Clare B. Hardham 1961-6-19 7855 Modoc Warner Mountains: Lava fields; Willow Creek Comment
  JEPS70699  Elymus elymoides subsp. elymoides Leland S. Smith 1918-6-22 970 Modoc High Grade-Pine Creek Modoc <National> Forest Comment
  JEPS70708  Elymus elymoides subsp. elymoides L. S. Smith 1937-7-11 97 Modoc Granger Mill Camp Warner Mts. 1828 Comment
  CAS-BOT-BC247739  Elymus glaucus Bruce Bartholomew 1990-8-5 5682 Modoc Summit Trail, ca. 4 km N of Patterson Ranger Station, W side of Warner Mts. 2470 Comment
  HSC80813  Elymus glaucus G. M. Riegel 1979-7-16 560 Modoc South Warner Mountains 530 Comment
  UC1025049  Elymus glaucus Leo Whitney 1935-8-3 3601 Modoc Buck Creek plot Comment
  POM205370  Elymus glaucus David Griffiths, Byron Hunter 1902-1 462 Modoc Moulton Warner Mountains. Comment
  CAS-BOT-BC203405  Elymus glaucus subsp. glaucus David Griffiths; Byron Hunter 1902-7-30 441 Modoc Jess Valley to Blue Lake 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
  CAS-BOT-BC247734  Elymus lanceolatus subsp. lanceolatus Bruce Bartholomew; Barrett Anderson 1988-7-21 4449 Modoc Dry hillside, SW side of Jess Valley, Warner Mts.. 1540 Comment
  CAS-BOT-BC247735  Elymus lanceolatus subsp. lanceolatus Bruce Bartholomew; Barrett Anderson 1988-7-22 4483 Modoc Vicinity of East Creak Trailhead, southern end of the Warner Mts. 2210 Comment
  UCD61276  Elymus macounii A. A. Beetle 1944-8-17 3036 Modoc 1 mile south of Alturas, edge of town by R. R. track. Comment
  HSC81819  Elymus spicatus G. M. Riegel 1980-6-30 790 Modoc S Warner Mtns. 1739 Comment
  CHSC99514  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
  CHSC106346  Epilobium brachycarpum Lowell Ahart; John Dittes 2010-8-30 17067 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
  RSA0118772  Epilobium brachycarpum Lowell A. Ahart, John Dittes 2013-7-25 18961 Modoc 30 yards north of the east-west fence, south edge of Ash Creek Floodplain, northeast of Patterson Homestead, east of Elkins Lane, 1.0 mile (air) south of County Road 87, 3.14 miles (air) west of Adin, Big Valley. 1268 Comment
  RSA767676  Epilobium brachycarpum L. Ahart, John Dittes 2010-8-30 17067 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
  SJSU9547  Epilobium brachycarpum W. Savage 1979-7-3 1281 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  CHSC117502  Epilobium campestre Lowell Ahart; John Dittes 2016-7-14 21179 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
  SJSU9587  Epilobium campestre W. Savage 1979-7-5 1351 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  HSC16299  Epilobium ciliatum subsp. ciliatum M. T. Milligan 1966-7-26 581 Modoc Slopes and ridges E of Jess Valley 1646 Comment
  HSC16364  Epilobium ciliatum subsp. ciliatum M. T. Milligan 1966-7-25 570 Modoc E of Jess Valley 1646 Comment
  CAS-BOT-BC190982  Epilobium ciliatum subsp. glandulosum Bruce Bartholomew; Barrett Anderson 1988-7-22 4512 Modoc SE side of Sunflower Knob, southern end of the Warner Mts.. 2160 Comment
  CAS-BOT-BC190987  Epilobium ciliatum subsp. glandulosum Bruce Bartholomew 1989-8-11 5103 Modoc Vicinity of Patterson Ranger Station, S end of Warner Mountains. 2160 Comment
  RSA41238  Epilobium ciliatum subsp. glandulosum A. M. Alexander, Louise Kellogg 1946-7-11 4964 Modoc Slope west of Eight Mile Creek, northeast corner of Modoc County Comment
  UCD106298  Epilobium densiflorum Herbert L. Mason 1947-8-11 13495 Modoc On Highway 81, west margin of Lower Lake, near boundary between Lassen and Modoc counties. Comment
  POM37840  Epilobium hallianum R. M. Austin 1895-08 508 Modoc Goose Lake Valley Comment
  UC201727  Epilobium hallianum W. P. Taylor and H. C. Bryant 1910-7-13 Modoc head N. Fork Parker Cr. Warner Mountains (near stream) 2225 Comment
  CAS-BOT-BC190960  Epilobium hornemannii subsp. hornemannii Bruce Bartholomew 1991-8-5 6035 Modoc Squaw Peak Trail on N side of Squaw Peak, E side of Warner Mts. 2420 Comment
  RSA101364  Epilobium hornemannii subsp. hornemannii R. Weatherby 1955-7-7 1619 Modoc Warner Mountains: 7 miles N of Ft. Bidwell 1875 Comment
  CAS-BOT-BC190946  Epilobium obcordatum Elmer Ivan Applegate 1932-8-5 8170 Modoc Cedar Mt., Cedar Pass, Warner Mountains. Comment
  CAS-BOT-BC190950  Epilobium obcordatum Annie Montague Alexander; L. Kellogg 1946-7-23 5050 Modoc Emerson Peak, Warner Mts. Comment
  CAS-BOT-BC497462  Epilobium obcordatum B. Bartholomew 1992-8-8 6369 Modoc Vicinity of Patterson Lake, E side of Warner Mountains 2750 Comment
  NY1000490  Epilobium obcordatum B. M. Bartholomew 1995-7-31 7080 Modoc 2.4 km from Forest Service road 46N30 on road towards Bald Mountain, east side of the Warner Mountains 2150 Comment
  UC190619  Epilobium obcordatum M. F. Gilman 508 Modoc mts. 2133 Comment
  CAS-BOT-BC190929  Epilobium pallidum Herbert Louis Mason; Verne Grant 1947-7-13 13441 Modoc Joseph Creek on Hwy 395. Comment
  JEPS38214  Epilobium pallidum Frances D. Payne 1933-8-5 767 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  POM161478  Epipactis gigantea Franklin P. Nutting 1894-6-30 s.n. Modoc Big Valley near Sookout Comment
  RSA26204  Equisetum arvense Alice Eastwood, J. T. Howell 1940-6-13 8182 Modoc East side of Cedar Pass Comment
  HSC856  Equisetum arvense M. T. Milligan 1965-6-26 321 Modoc E of Jess Valley 1585 Comment
  CAS-BOT-BC30176  Equisetum hyemale subsp. affine Edward Kent Balls 1950-5-21 14818 Modoc Around south Fork Public Camp, South Fork Pitt River, Likely to Jess Valley 1432 Comment
  CAS-BOT-BC30185  Equisetum laevigatum John H. Hatton 1911-6-14 89 Modoc Pitt River Ranger Station. 1295 Comment
  CAS-BOT-BC248346  Eremogone aculeata B. Bartholomew; H. Sun 2002-6-24 8829 Modoc Ca. 1 km NW of Bald Mt., E side of the Warner Mountains 2290 Comment
  CAS-BOT-BC95495  Eremogone aculeata Bruce Bartholomew; Barrett Anderson 1989-6-3 4892 Modoc ca. 5 km E of the SE corner of Clear Lake Reservoir. 1450 Comment
  CAS-BOT-BC95496  Eremogone aculeata Francis Dorris Payne 1929-7-26 s.n. Modoc Mt. Warren, Warner Mts. Comment
  HSC4046  Eremogone aculeata M. T. Milligan 1966-8-3 631 Modoc W slope of Eagle Peak 2439 Comment
  HSC80716  Eremogone aculeata G. M. Riegel 1978-8-18 112 Modoc S Warner Mtns. 1829 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-BC95464  Eremogone congesta John Thomas Howell 1934-6-30 12288 Modoc Duncan Horse Camp. 1355 Comment
  RSA602677  Eriastrum sparsiflorum L. C. Wheeler 1935-8-2 3747 Modoc Twelve Mile Creek, Warner Mts. 2287 Comment
  CAS-BOT-BC14816  Ericameria bloomeri Louis Cutter Wheeler 1935-9-9 3960 Modoc South Mt., Devil's Garden. 1524 Comment
  HSC81121  Ericameria bloomeri G. M. Riegel 1979-8-16 672 Modoc South Warner Mtns. 1829 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
  CAS-BOT-BC14777  Ericameria discoidea Elmer Ivan Applegate 1932-8-1 8053 Modoc Craggy crest of Warren Peak, Warner Mountains Comment
  CAS-BOT-BC14776  Ericameria greenei Robert Patterson; Mona Bourell 1993-8-15 5239 Modoc Warner Mountains. Along trail from Patterson Lake to ca. 2 mi north towards Pepperdine Trailhead. 2743 Comment
  CAS-BOT-BC287483  Ericameria greenei Annie M. Alexander; Louise Kellogg 1946-8-9 5132 Modoc Slope above Patterson Lake Trail, Warner Mts Comment
  CAS-BOT-BC287484  Ericameria greenei Roxana S. Ferris; Laura Lorraine 1941-8-14 10618 Modoc Summit of Fandango Pass, on road between Fort Bidwell and Pine Creek, Warner Mts, Modoc National Forest 1889 Comment
  CAS-BOT-BC287485  Ericameria greenei Elmer I. Applegate 1932-8-5 8184 Modoc S slope of Cedar Mt, Warner Mts Comment
  UC71702  Ericameria nauseosa var. speciosa Mrs. M. H. Manning 1902-10-1 14 Modoc Comment
  RSA129817  Ericameria suffruticosa G. A. Graham 1937-8-6 145 Modoc Belfort 3110 Comment
  RSA152605  Erigeron aphanactis I. L. Wiggins, Dorothy Wiggins 1961-6-12 16371 Modoc At junction of Cedar Pass road with California Highway 299, 5.5 miles N of Alturas. Comment
  SJSU9565  Erigeron bloomeri var. bloomeri W. Savage 1979-7-3 1305 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  HSC5504  Erigeron coulteri M. T. Milligan 1966-7-29 602 Modoc Slopes and ridges E of Jess Valley 1982 Comment
  UC748396  Erigeron coulteri Annie M. Alexander and Louise Kellogg 1946-8-3 5109 Modoc head of Eagle Creek; Warner Mountains, Eagle Creek Comment
  CAS-BOT-BC42780  Erigeron divergens C. C. (Mrs.) Bruce 1894-8-1 60 Modoc Davis Creek. Comment
  UC87559  Erigeron divergens Mrs. R. M. Austin 1894-1-1 Modoc Goose Lake Valley 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
  JEPS5928  Erigeron divergens Frances D. Payne 1931-6-11 144 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  CAS-BOT-BC42751  Erigeron eatonii var. plantagineus Bruce Bartholomew 1993-6-14 6677 Modoc Open moist flat SW of Stovepipe Flat Tank just N of road between Deer Hill and Duncan Reservoir. 1530 Comment
  CAS-BOT-BC42753  Erigeron eatonii var. plantagineus Mrs. H. C. Cantelow 1940-6-2 3244 Modoc Road to Lava Beds Nat. Monument, 10 mi. W of Canby. Comment
  CAS-BOT-BC42758  Erigeron eatonii var. plantagineus Francis Marion Ownbey; Frederick Gustav Meyer 1940-7-1 2144 Modoc N slope Cedar Peak, Warner Mtns. Comment
  CAS-BOT-BC42799  Erigeron eatonii var. plantagineus James Vale 1981-5-23 s.n. Modoc Egg Lake. Comment
  POM357577  Erigeron eatonii var. plantagineus Christopher Davidson 1973-5-26 2139 Modoc 1 mile N of Adin Summit on St. Hwy 299; Modoc Nat'l Forest 1524 Comment
  RSA518731  Erigeron eatonii var. plantagineus Barbara Ertter 1988-6-18 7628 Modoc Hwy. 139 14.5 miles ENE of jct. Hwy 299 at Canby, N of Bessler Reservoir 1463 Comment
  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
  SEINET11841733  Erigeron eatonii var. plantagineus A. Seneres, Harold, N. 1983-1 111 Modoc Warner Mountains Comment
  CAS-BOT-BC49626  Erigeron filifolius Alice Eastwood; John Thomas Howell 1940-6-13 8158 Modoc E side of Fandango Pass. Comment
  POM204115  Erigeron filifolius J. T. Howell 1934-6-13 12099 Modoc Patterson Mill Road, Warner Mtns. 1677 Comment
  UC1540224  Erigeron filifolius Dean Wm. Taylor and Glenn L. Clifton 1987-6-27 9107 Modoc along Hwy 395 about 3.5 mi n of n junction with Highway 299 1371 Comment
  CHSC111996  Erigeron glacialis var. glacialis B. Castro; L. P. Janeway 2008-8-17 1751 Modoc Warner Mountains. North slope of Bald Mountain; mid-slope below upper edge of last row of trees, in upper feeders to S. Fork Mill Creek. 2305 Comment
  CAS-BOT-BC49635  Erigeron inornatus var. inornatus Bruce Bartholomew 1989-7-14 4951 Modoc ca. 6.5 km NE of Egg Lake and 0.8 km E of Survice Gulch. 1340 Comment
  CAS-BOT-BC49637  Erigeron inornatus var. inornatus Leland S. Smith 1922-7-24 1290 Modoc Grouse Mt. 1981 Comment
  CAS-BOT-BC49608  Erigeron linearis Francis Dorris Payne 1929-6-19 10 Modoc Parker Creek, Warner Mtns. 1584 Comment
  CAS-BOT-BC49650  Erigeron linearis Annie Montague Alexander; L. Kellogg 1946-6-27 4851 Modoc Highgrade, top of ridge, two miles by road from Dismal Swamp, N end of Warner Mtns. 2377 Comment
  CHSC67083  Erigeron linearis James D. Jokerst 1987-5-14 2874 Modoc Radar Survey Site S of Doublehead Mtn., S of Clear Lake Reservoir, E and adjacent to SW-NE oriented fence. 1348 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
  JEPS41569  Erigeron linearis L. S. Smith 1166 Modoc Timber Mt. Comment
  CAS-BOT-BC295508  Erigeron linearis Mrs. R. M. Austin 1894-6-1 s.n. Modoc East of Emigrant Springs Comment
  SD5435  Erigeron linearis Mrs. R. M. Austin Unknown Modoc New Pine Creek Comment
Read comments
Jul 11 2010
  UC190624  Erigeron linearis M. F. Gilman 607 Modoc Comment
  SJSU9615  Erigeron lonchophyllus W. Savage 1979-7-6 1402 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  RSA606127  Erigeron peregrinus subsp. callianthemus L. C. Wheeler 1935-8-8 3806 Modoc Consolidated Mine, Pine Creek, Warner Mountains. 2287 Comment
  CAS-BOT-BC49625  Erigeron philadelphicus Bruce Bartholomew 1990-6-17 5327 Modoc W side of Surprise Valley, 16 km S of Cedarville. 1420 Comment
  UC1540233  Eriogonum douglasii var. meridionale Dean Wm. Taylor, Glenn L. Clifton 1987-6-27 9113 Modoc headwaters of South Deep Creek Warner Mountains, South Deep Creek 2194 Comment
  CAS-BOT-BC197819  Eriogonum elatum Bruce Bartholomew; Barrett Anderson 1988-7-23 4557 Modoc Road beyond Poison Lake ca. 8 km S of the road from U.S. Highway 395 to Lily Lake, Warner Mts.. 2140 Comment
  CAS-BOT-BC197813  Eriogonum heracleoides var. heracleoides Elmer Ivan Applegate 1932-8-5 8177 Modoc Arid summit of Cedar Mountain, Warner Mts. Comment
  CAS-BOT-BC197814  Eriogonum heracleoides var. heracleoides Annie Montague Alexander; L. Kellogg 1946-7-11 4967 Modoc Eight Mile Creek, northeast corner of county. 1752 Comment
  CAS-BOT-BC197815  Eriogonum heracleoides var. heracleoides Bruce Bartholomew; Barrett Anderson 1990-7-20 5483 Modoc 10.3 km N of Buck Creek Ranger Station, crest of Warner Mountains W side of Warner Mts. 2130 Comment
  JEPS56886  Eriogonum heracleoides var. heracleoides Frank W. Peirson 1926-6-25 6863 Modoc Cedarville Road near summit of grade Warner Mts. Comment
  NY281173  Eriogonum heracleoides var. heracleoides L. C. Wheeler 1935-8-2 3750 Modoc Twenty-mile Creek, Warner Mts. 2225.0 Comment
  UC1250297  Eriogonum heracleoides var. heracleoides Annie M. Alexander and Louise Kellogg 1946-7-11 4967 Modoc slope w Eight Mile Creek (ne corner of county) 1752 Comment
  RSA0025579  Eriogonum heracleoides var. heracleoides John F. Emmel 1996-7-15 1429 Modoc Warner Mtns; peak 7942 and ridge 0.0-0.2 air mi NNE of the peak, ca. 2.5 air mi SSW of Emerson Peak. 2378 Comment
  CAS-BOT-BC211442  Eriogonum nudum var. pubiflorum Noel Herman Holmgren; J. L. Reveal 1964-8-21 1717 Modoc About 5 miles SW of Eagleville on the Eagleville-Likely Road. Modoc National Forest, Warner Range Comment
  CAS-BOT-BC211447  Eriogonum nudum var. pubiflorum Clare Butterworth Hardham 1961-6-18 7553 Modoc E of Cedar Pass. 1828 Comment
  HSC81009  Eriogonum nudum var. pubiflorum G. M. Riegel 1980-7-14 869 Modoc S Warner Mtns. 1739 Comment
  SEINET11261580  Eriogonum nudum var. pubiflorum Richard R. Halse 1991-7-28 4244 Modoc Along State Hwy 139, 13 miles northwest of its junction with State Hwy 299.; 0 1469 Comment
  UC1035868  Eriogonum nudum var. pubiflorum Annie M. Alexander and Louise Kellogg 1946-7-7 4937 Modoc slope above meadow, Eight Mile Creek Eight Mile Creek 1752 Comment
  NY762346  Eriogonum nudum var. pubiflorum M. J. Williams 1984-6-30 8476- 1 Modoc Cedar Pass Road, Warner Mountains, 1.7 miles west of Cedarville. 1508.8 Comment
  SEINET11261588  Eriogonum nudum var. pubiflorum Margaret J. Williams 1983-7-29 83- 115 -1 Modoc Stowe Reservoir Rd N of Cedar Pass, Warner Mtns.; 0 2073 Comment
  RSA759522  Eriogonum prociduum James L. Reveal 2007-6-3 8828 Modoc Along U. S. Highway 295 at milepost 31.7, 1.1 miles north of the Chimney Rock Exit near Surprise and about 3.5 miles north of California Highway 299. 1402 Comment
  HSC81002  Eriogonum spergulinum var. reddingianum G. M. Riegel 1979-7-30 622 Modoc S Warner Mtns. 1829 Comment
  NY283068  Eriogonum spergulinum var. reddingianum J. T. Howell 1934-6-14 12123 Modoc Near Lost Lake, Warner Mountains 2438.4 Comment
  HSC63928  Eriogonum sphaerocephalum Teresa Prendusi 1980-6-19 Modoc Larkspur Seeding 3 mi. E of top of Upper Lake in the Larkspur Hills 1463 Comment
  SBBG1625  Eriogonum sphaerocephalum H. and M. Dearing 1939-6-7 3570 c Modoc near Adin 1219 Comment
  CAS-BOT-BC211378  Eriogonum sphaerocephalum var. halimioides M. M. Hanna 1956-6-7 1018 Modoc Highway 139 between Cranby and Tienesta. Comment
  CAS-BOT-BC211383  Eriogonum sphaerocephalum var. halimioides K. Paulson; Robert Paulson 1988-5-22 6 Modoc Engle Swamp Road, Devil's Garden. 1402 Comment
  CAS-BOT-BC211384  Eriogonum sphaerocephalum var. halimioides Bruce Bartholomew; Barrett Anderson 1988-6-23 4252 Modoc 4.2 km NW of Day. 1020 Comment
  CAS-BOT-BC211385  Eriogonum sphaerocephalum var. halimioides John Thomas Howell 1934-6-11 11926 Modoc Parker Creek, Warner Mts. 1584 Comment
  CAS-BOT-BC211390  Eriogonum sphaerocephalum var. halimioides John Thomas Howell 1934-7-1 12300 Modoc Duncan Horse Camp. 1355 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
  RSA165619  Eriogonum sphaerocephalum var. halimioides Clare B. Hardham 1961-6-18 7550 Modoc 3 miles east of Cedar Pass. 1829 Comment
  SEINET11261408  Eriogonum sphaerocephalum var. halimioides D. H. Norris, T. Nelson; Steve Dowty 1971-6-23 19385 Modoc Along Hager Basin Road near Big Sage Reservoir.; 0 Comment
  UC727034  Eriogonum sphaerocephalum var. halimioides A. A. Heller 1941-6-24 16193 Modoc just s Indian Springs (along U. S. Highway #299) Comment
  SEINET5331610  Eriogonum sphaerocephalum var. halimioides M. J. Williams 1983-7-29 83- 116 -6 Modoc 1.1 mi N of Stowe Reservoir Campground, N of Cedar Pass, Warner Mtns. 2088 Comment
  CAS-BOT-BC211358  Eriogonum strictum subsp. anserinum Margaret J. Williams 1984-7-1 84- 87 -5 Modoc NW of Alturas, Crowder Flat Road, Big Sage Reservoir. 1371 Comment
  NY283176  Eriogonum strictum subsp. proliferum C. L. Hitchcock 1940-5-27 6656 Modoc 9 miles northeast of Alturas 1402.1 Comment
  CHSC114008  Eriogonum strictum var. anserinum L. P. Janeway 2014-7-8 11489 Modoc Modoc Plateau. At head of Sibley Draw, 0.5 km north of Sibley Lake (below and north of Dry Creek Rim). 1517 Comment
  CHSC32928  Eriogonum strictum var. anserinum J. P. Smith; J. O. Sawyer 1973-8-8 7246 Modoc South slopes of Eagle Peak. 2743 Comment
  NY283218  Eriogonum strictum var. anserinum M. J. Williams 1988-5-30 8826- 2 Modoc Jess Valley, south of roadside rest 1524.0 Comment
  CAS-BOT-BC211368  Eriogonum umbellatum Bruce Bartholomew 1991-8-5 6050 Modoc Summit Trail between Squaw Peak and Cottenwood Lake, crest of the Warner Mts. 2470 Comment
  RSA504666  Eriogonum umbellatum K. Paulson, R. Paulson 1988-5-22 7 Modoc Devil's Garden. In clay. 1433 Comment
  CAS-BOT-BC211327  Eriogonum umbellatum var. dichrocephalum K. Paulson; Richard Paulson 1988-6-19 54 Modoc Loveness Road 1493 Comment
  NY399145  Eriogonum umbellatum var. dichrocephalum N. H. Holmgren 1964-8-22 1720 Modoc Warner Range, just below the top of Eagle Peak 3027.9 Comment
  CAS-BOT-BC211331  Eriogonum umbellatum var. glaberrimum J. L. Reveal; Darin Scott Reveal 1978-8-11 4825 Modoc Warner Mts., along Modoc Co. Rd. 2 from near New Pine Creek to Fort Bidwell, 0.3 mi. W of Poison Lake turnoff. 1920 Comment
  CAS-BOT-BC211333  Eriogonum umbellatum var. glaberrimum Louis Cutter Wheeler 1935-8-3 3773 Modoc Pine Creek, Warner Mts. 1950 Comment
  CHSC109511  Eriogonum umbellatum var. glaberrimum L. P. Janeway; B. Castro 2012-7-25 10991 Modoc Warner Mountains. Low broad ridge 1.1 km east of Dismal Swamp. 2250 Comment
  CHSC63413  Eriogonum umbellatum var. glaberrimum V. H. Oswald; Beth Corbin, Mike Dolan, Allison Sanger 1994-7-9 6373 Modoc Dismal Swamp ca. 6 mi (air) E of Hwy. 395, just S of the Oregon border. Scattered plants on a dry outcrop above a large meadow along Dismal Creek. 2218 Comment
  NY399140  Eriogonum umbellatum var. glaberrimum J. L. Reveal 1978-8-11 4823 Modoc Warner Mountains, Dismal Swamp, about 2 miles north of Modoc County Road 2, at the northwest end of Dismal Swamp south of Dismal Creek 2225.0 Comment
  CHSC118314  Eriogonum umbellatum var. modocense L. P. Janeway 2016-5-17 12029 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
  CAS-BOT-BC197783  Eriogonum umbellatum var. nevadense Elmer Ivan Applegate 1932-8-1 7996 Modoc N of Mill Creek Meadows, Warner Mts. Comment
  CAS-BOT-BC197784  Eriogonum umbellatum var. nevadense Elmer Ivan Applegate 1932-7-9 7599 Modoc Bidwell Mountain, Warner Mts. Comment
  CAS-BOT-BC197785  Eriogonum umbellatum var. nevadense J. L. Gentry; E. Jensen 1968-7-4 2111 Modoc 15.2 mi. NW of Hwy. jct. Calif. 139 and Calif. 299, on Calif. 139. 1447 Comment
  CAS-BOT-BC197790  Eriogonum umbellatum var. nevadense J. L. Reveal; Darin Scott Reveal 1978-8-11 4822 Modoc Warner Mts, Dismal Swamp, ca. 2 mi. N of Modoc Co. Rd. 2, at NW end of Dismal Swamp S of Dismal Creek. 2225 Comment
  CAS-BOT-BC197618  Eriogonum umbellatum var. polyanthum E. S. Willits 1940-6-5 327 Modoc Canby. Comment
  CAS-BOT-BC197620  Eriogonum umbellatum var. polyanthum K. Paulson; Robert Paulson 1989-5-8 109 Modoc Howard's Gulch, along Hwy 139. 1371 Comment
  CAS-BOT-BC197778  Eriogonum umbellatum var. polyanthum Elmer Ivan Applegate 1932-8-3 8130 Modoc Summit of Eagle Peak, Warner Mts. 2804 Comment
  CAS-BOT-BC197781  Eriogonum umbellatum var. polyanthum Margaret J. Williams 1984-7-1 84- 86 -3 Modoc 3.1 mi N of Hwy 299 on Crowder Flat road. 1341 Comment
  HSC80996  Eriogonum umbellatum var. polyanthum G. M. Riegel 1979-7-15 563 Modoc S Warner Mtns. 1739 Comment
  RSA647843  Eriogonum umbellatum var. polyanthum W. P. Armstrong 1964-7-12 s.n. Modoc Rocky, sun, dry, ass. Ribes, Castilleja. Comment
  SEINET5331991  Eriogonum umbellatum var. polyanthum M. J. Williams 1984-7-1 84- 87 -6 Modoc NW of Alturas, Crowder Flat Road, near Big Sage Reservoir. 1372 Comment
  NY399297  Eriogonum umbellatum var. torreyanum L. C. Wheeler 1935-8-3 3773 Modoc Pine Creek 1950.7 Comment
  CAS-BOT-BC197606  Eriogonum vimineum J. L. Gentry; E. Jensen 1968-7-4 2112 Modoc 15.2 mi. NW of Hwy. jct. Calif. 139 and Calif. 299, on Calif. 139. 1447 Comment
  UCD101535  Eriogonum vimineum J. M. Tucker 1951-7-25 1971 Modoc beside highway 139, 26.4 miles southeast of Tule Lake. Comment
  CAS-BOT-BC49591  Eriophyllum lanatum Francis Dorris Payne 1934-8-29 s.n. Modoc Parker Creek. 1584 Comment
  CAS-BOT-BC49593  Eriophyllum lanatum John Thomas Howell 1934-7-1 12307 Modoc Duncan Horse Camp. 1355 Comment
  SEINET10672049  Eriophyllum lanatum Billy Joe Cox 1971-6-3 Cox 3197 Modoc 5 mi. S of Canby on CA Hwy. 299. 1280 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
  RSA554808  Eriophyllum lanatum var. achilleoides Margaret J. Williams, Arnold Tiehm, Jan Nachlinger 1988-6-2 88- 28 -10 Modoc Jess Valley, E of Likely, S of roadside rest. Comment
  JEPS15487  Eriophyllum lanatum var. achilleoides Joseph and Hilda Grinnell 1938-7-16 1112 a Modoc Cedar Pass summit Warner Mountains, Cedar Pass summit 1935 Comment
  RSA14501  Eriophyllum lanatum var. achilleoides Elmer I. Applegate 1929-6-24 5892 Modoc Between Alturas and Davis Creek Comment
  SEINET8687244 Image available Eriophyllum lanatum var. achilleoides M. J. Williams, A. Tiehm, J. Nachlinger 1988-6-2 88- 28 -10 Modoc Jess Valley, E of Likely, S of roadside rest Comment
  UC1484458  Eriophyllum lanatum var. achilleoides Dale E. Johnson with J. E. Eckenwalder 1974-6-16 131 Modoc just w of summit Cedar Pass (on Hwy 299 (Alturas-Cedarville road)); Warner Mts. 585 Comment
  UC896365  Eriophyllum lanatum var. achilleoides A. A. Heller 1938-7-12 15257 a Modoc near w base Deer Mountain (on U.S. Highway 97) Comment
  SBBG30613  Eriophyllum lanatum var. integrifolium D. Myrick 1968-6-20 1966 Modoc Cedar Pass Rd, St Hwy 299, 10 mi E of Alturas 1371 Comment
  HSC8487  Erodium cicutarium M. T. Milligan 1964-6-4 21 Modoc East D St. between 4th and 5th St., Alturas 1372 Comment
  SJSU9591  Eryngium alismifolium W. Savage 1979-7-5 1356 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  CHSC100392  Eryngium articulatum Lowell Ahart; John Dittes 2008-8-25 15285 Modoc On the west bank (flood plain) of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-notheast of Lookout. 1273 Comment
  SFV18056  Eryngium articulatum J. A. Matos, D. C. Rudolph 1999-8-7 s. n. Modoc Pothole Creek near Pothole Spring. Near crossing of Clear Lake Road. 1470 Comment
  CDA38325  Eryngium articulatum Gene Deal 1993-8-2 s.n. Modoc Modoc National Forest; North of Weed Valley Ranch, Modoc National Forest. 0 Comment
  JEPS16989  Eryngium articulatum L. S. Smith 1917-9-18 163 Modoc Little Grizzly Ranger Station Warner Mts., Little Grizzly Ranger Station Comment
  JEPS114399  Eryngium mathiasiae Lowell Ahart, John Dittes 2008-8-25 15306 Modoc On the west bank (flood plain) of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout 1273 Comment
  UC1167717  Eryngium mathiasiae Peter H. Raven 1958-6-18 13322 Modoc about small lake at eastern outskirts of Lookout post office Comment
  UC1748318  Eryngium mathiasiae James D. Jokerst 1986-8-10 2753 Modoc S of Doublehead Mountain (at Rimrock Lake) 1341 Comment
  HSC6794  Erysimum capitatum M. T. Milligan 1967-7-8 664 Modoc W slope of Eagle Peak 2439 Comment
  UC748067  Erysimum capitatum Annie M. Alexander and Louise Kellogg 1946-6-27 4843 Modoc top of ridge two mi by road from Dismal Swamp (n end of mts); Warner Mountains, Highgrade 2377 Comment
  RSA520352  Erysimum capitatum Bruce Bartholomew, B. Anderson 1989-6-3 4897 Modoc Ca 9 km SSW of Timber Mountain. 1370 Comment
  CAS-BOT-BC234506  Erythranthe guttata John Thomas Howell 1934-6-12 11996 Modoc 6 mi. S of Davis Creek. Comment
  CHSC30494  Erythranthe guttata N. E. H. Orouty 1980-5-25 164 Modoc Along stream from hot spring. Comment
  CAS-BOT-BC234475  Erythranthe inflatula Bruce Bartholomew 1995-6-22 6988 Modoc Between Day and Lookout, just W of Burlington Northern Railroad track on County Road 94. 1270 Comment
  CAS-BOT-BC234459  Erythranthe primuloides Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10566 A Modoc East Creek ca. 1 mi. E of Patterson Ranger Station. Comment
  CAS-BOT-BC234461  Erythranthe primuloides Bruce Bartholomew; Barrett Anderson 1988-7-22 4508 Modoc SE side of Sunflower Knob, southern end of the Warner Mts.. 2160 Comment
  CAS-BOT-BC234464  Erythranthe pulsiferae Bruce Bartholomew 1993-6-12 6607 Modoc Flat between Egg Lake and Lookout just E of railroad track. 1260 Comment
  CAS-BOT-BC234465  Erythranthe pulsiferae Alice Eastwood; John Thomas Howell 1940-6-14 8237 Modoc Near Hackamore. Comment
  CAS-BOT-BC234469  Erythranthe pulsiferae Bruce Bartholomew 1995-7-30 7041 Modoc 3.9 km E of Day on County Road 94 just beyond the ridge crest. 1390 Comment
  CAS-BOT-BC234473  Erythranthe pulsiferae Bruce Bartholomew 1995-6-1 6917 Modoc NW edge of Little Hot Spring Valley NW of Day. 1080 Comment
  CAS-BOT-BC234474  Erythranthe pulsiferae Bruce Bartholomew; Barrett Anderson 1989-6-3 4910 Modoc ca. 6 km NW of Egg Lake and ca. 0.8 km E of Service Flat Gulch. 1370 Comment
  CAS-BOT-BC497302  Euphorbia crenulata B. Bartholomew 1995-6-24 7029 Modoc 0.3 km W of turn-off to Dusty's Waterhole from Forest Service Road 42N23 1320 Comment
  CDA19882  Euphorbia crenulata C. Pirosko 2002-7-1 s.n. Modoc Northern California; Long Bell, USFS Plantation off County Rd 91. 0 Comment
  UC196655  Euphorbia esula F. C. Chace June 1916 Modoc Adin Comment
  CAS-BOT-BC498686  Euphorbia serpillifolia Louis C. Wheeler 1973-8-24 s.n. Modoc Warner Mountains: Sworinger Reservoir 1798 Comment
  NY1001168  Euphorbia spathulata M. J. Williams 1988-5-30 88- 26 --12 Modoc Jess Valley, east of Likely, south of roadside rest 1524 Comment
  CAS-BOT-BC15162  Eurybia integrifolia Elmer Ivan Applegate 1932-8-7 8241 Modoc Lily Lake, Bidwell Pass, Warner Mountains Comment
  HSC81016  Eurybia integrifolia G. M. Riegel 1979-8-11 640 Modoc S Warner Mtns. 1670 Comment
  JEPS117301  Euthamia occidentalis Lowell Ahart, John Dittes 2010-8-31 17102 Modoc On the east side of Elkins Lane, about 10 yards east of the bridge across Ash Creek, Ash Creek State Wildlife Area, 4215 feet north of Lassen County line, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley 1267 Comment
  CAS-BOT-BC247713  Festuca idahoensis Leland S. Smith 1920-6-11 1168 Modoc Timber Mt. 1432 Comment
  CAS-BOT-BC247714  Festuca idahoensis Alan Ackerman Beetle 1941-6-29 2833 Modoc Near summit of Mt. Adin. 1828 Comment
  CAS-BOT-BC247715  Festuca idahoensis Leland S. Smith 1924-6-6 s.n. Modoc S of Egg Lake. Comment
  UCR133555  Festuca idahoensis A. A. Beetle 1941-6-29 2833 Modoc Near summit of Mt. Adin 1829 Comment
  CAS-BOT-BC278912  Festuca ovina Elmer I. Applegate 1932-8-1 8028 Modoc Summit of Warner Mountains just south of Warren Peak 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
  UC1025016  Festuca rubra Leo Whitney 1935-7-12 3496 Modoc 10 mi w Canby; Cottonwood Flat Comment
  CAS-BOT-BC179188  Floerkea proserpinacoides Frank Warrington Peirson 1926-6-25 6888 Modoc Small side canyon, 1 mi. E of summit, Cedarville Rd. Comment
  NY189421  Frasera albicaulis var. cusickii B. M. Bartholomew 1988-7-21 4412 Modoc Whitehorse Mountains, 11 km N of day on the road to Whitehorse Flat Reservoir. Whitehorse 15' Quad. 1340 Comment
  RSA534561  Fraxinus latifolia Bruce Bartholomew 1991-7-6 5982 Modoc W side of Egg Lake 1300 Comment
  CAS-BOT-BC242111  Fritillaria atropurpurea Bruce Bartholomew 1995-6-2 6942 Modoc Lake City Canyon on road between Lake City and Benton Meadow, E side of the Warner Mountains. 1690 Comment
  CHSC31498  Fritillaria atropurpurea N. E. H. Prouty 1980-6-19 189 Modoc Fitzhugh Timber Sale. Modoc Nat. Forest, Warner Mt. District. 2133 Comment
  RSA367714  Fritillaria atropurpurea George Willet 1935-6-21 s.n. Modoc Modoc County: Warren Mtns. 2439 Comment
  CAS-BOT-BC242091  Fritillaria pudica Bruce Bartholomew; Barrett Anderson 1989-4-28 4656 Modoc SW corner of Raker & Thomas Reservoir. 1500 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
  CHSC30634  Fritillaria pudica N. E. H. Prouty 1980-6-2 171 Modoc Sheep Rock T. S. Rising above Dry Creek. Modoc Nat. Forest, Warner Mt. District. Comment
  RSA486788  Fritillaria pudica Bruce Bartholomew, B. Anderson 1988-5-13 4162 Modoc 4 km northwest of Pepperdine, gentle west-facing slope near top of the Warner Mountains 1760 Comment
  CAS-BOT-BC225051  Galium aparine Bruce Bartholomew 1991-6-22 5855 Modoc NE side of Surprise Valley on road to Fee Reservoir, 6.4 km E of Fort Bidwell. 1490 Comment
  CAS-BOT-BC225053  Galium aparine Francis Dorris Payne 1932-6-10 623 Modoc Parker Creek. 1584 Comment
  CAS-BOT-BC225054  Galium aparine Roxana Stinchfield Ferris; R. Duthie 1919-6-14 38 Modoc Parker Creek, near Modoc National Forest boundary. Comment
  CAS-BOT-BC225055  Galium aparine Bruce Bartholomew 1995-7-31 7125 Modoc 6.3 km from Forest Service road 46N30 on Forest Service road 45N34, W side of Warner Mountains. Along N fork of Davis Creek 1920 Comment
  CAS-BOT-BC248317  Galium aparine B. Bartholomew; H. Sun 2002-6-24 8862 Modoc Fandango Pass on the E side of the Warner Mountains near the crest of the mountains 1820 Comment
  HSC80761  Galium aparine G. M. Riegel 1980-7-24 935 Modoc South Warner Mtns. 2100 Comment
  CAS-BOT-BC225059  Galium bifolium Bruce Bartholomew 1991-8-6 6081 Modoc N Emerson Lake, E side of Warner Mts. 2370 Comment
  CAS-BOT-BC225061  Galium bifolium Bruce Bartholomew 1990-6-15 5243 Modoc Top of Manzanita Mountain in vicinity of Manzanita Lookout. 2130 Comment
  RSA503048  Galium bolanderi Bruce Bartholomew, B. Anderson 1988-6-23 4231 Modoc 2.1 km SSE of Day on the road to State Highway 299. 1020 Comment
  CAS-BOT-BC225065  Galium glabrescens subsp. glabrescens Clare Butterworth Hardham 1961-6-18 7540 Modoc 3.2 mi. E of summit of Cedar Pass. Comment
  CAS-BOT-BC225069  Galium glabrescens subsp. modocense Bruce Bartholomew 1991-8-5 6071 Modoc Summit Trail between Squaw Peak and Cottenwood Lake along crest of Warner Mts. 2530 Comment
  CAS-BOT-BC225073  Galium glabrescens subsp. modocense Bruce Bartholomew 1995-9-3 7177 Modoc Vicinity of pass between North Emerson Lake and Eagle Basin, E side of Warner Mountains. 2410 Comment
  HSC80868  Galium glabrescens subsp. modocense G. M. Riegel 1980-8-28 1100 Modoc S Warner Mtns., S Warner Wilderness Area 2676 Comment
  SD70497  Galium glabrescens subsp. modocense F. Ehrendorfer, G. L. Stebbins 1959-6-28 5909 Modoc Warner Mountains. Horse Mountain, near the top 2591 Comment
  SEINET12285552  Galium glabrescens subsp. modocense F. Ehrendorfer, Stebbins, G. L. 1959-1 5909 Modoc Warner Mountains, Horse Mountain, near top 2591 Comment
  CAS-BOT-BC225074  Galium mexicanum subsp. asperulum Bruce Bartholomew 1989-8-13 5146 Modoc Ambose Canyon at Lassen County boundary. 1800 Comment
  CAS-BOT-BC225075  Galium mexicanum subsp. asperulum Verne Grant; I. Schneider 1947-6-22 8140 Modoc N Fork of Pit River on Hwy 395, ca. 1 mi. N of junction with Cedarville road. Comment
  UC1192011  Galium mexicanum var. asperulum Verne Grant and Irving Schneider 1947-7-22 8140 Modoc on Hwy 395 about 1 mi n junction with Cedarville road; North Fork of Pit River Comment
  UC748108  Galium multiflorum Annie M. Alexander and Louise Kellogg 1946-7-5 4909 Modoc lava cliff w Lower Lake Comment
  JEPS27649  Galium serpenticum subsp. warnerense Ehrendorfer and Stebbins 1959-6-28 5911 Modoc plateau Mt. Bidwell (top and s rim) 2438 Comment
  JEPS66746  Garrya fremontii L. S. Smith 1917-9-12 157 Modoc Buck Creek Warner Mts. (n Warner Mts) 1828 Comment
  SEINET3144597  Garrya fremontii E. K. Balls 1950-5-12 14652 Modoc Hillsides N of Bucks Creek Ranger Station, Modoc National Forest, E of Goose Lake 1859 Comment
  RSA31282  Gayophytum decipiens H. C. Cantelow 1940-6-2 s.n. Modoc About 10 miles NW of Canby, on road to Lava Beds Monument Comment
  RSA666401  Gayophytum decipiens Barbara Ertter 1988-6-18 7624 Modoc Hwy 139 ca 50 airmiles SW of Klamath Falls, a few miles N of Agric. Inspection State, 1 mi S of S jct to Lava Beds Nat l Monument E of Tonesta. 1311 Comment
  CAS-BOT-BC190836  Gayophytum diffusum subsp. parviflorum Bruce Bartholomew; Barrett Anderson 1988-6-23 4280 Modoc 4.0 km W of Day on County Road 94. 1340 Comment
  CAS-BOT-BC190842  Gayophytum diffusum subsp. parviflorum Leland S. Smith 1922-7-20 1295 Modoc Rush Creek Ranger Station pasture. 1905 Comment
  CAS-BOT-BC190847  Gayophytum diffusum subsp. parviflorum Bruce Bartholomew 1989-7-15 4987 Modoc Sweagert Flat. 1860 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
  RSA31283B  Gayophytum racemosum Frances D. Payne 1934-8-29 s.n. Modoc Parker Creek 1585 Comment
  POM254336  Gayophytum ramosissimum Alice Eastwood, John Thomas Howell 1940-6-14 8204 Modoc Near Kelley Hot Springs Comment
  NY189520  Gentiana affinis B. M. Bartholomew 1989-8-12 5106 Modoc Ca. 3.2 airline miles W of Patterson Ranger Station on road to Jess Valley. 2060 Comment
  CAS-BOT-BC180113  Gentiana affinis var. ovata Leland S. Smith 1918-7-29 1010 Modoc Patterson Mill. 2133 Comment
  CAS-BOT-BC180114  Gentiana affinis var. ovata Bruce Bartholomew 1989-8-12 5106 Modoc ca. 3.2 airline miles W of Patterson Ranger Station on road to Jess Valley. 2060 Comment
  CAS-BOT-BC180115  Gentiana affinis var. ovata Bruce Bartholomew 1994-8-21 6861 Modoc Squaw Peak Trail, E side of the Warner Mountains. 2450 Comment
  UC123659  Gentiana affinis var. ovata Milo S. Baker 1893-6 Modoc near bank McCloud R. Comment
  UC17119  Geranium carolinianum Milo S. Baker 1893-7-25 Modoc island in Egg Lake Egg Lake Comment
  POM260876  Geranium richardsonii Alice Eastwood, J. T. Howell 1940-6-13 8121 Modoc Near Davis Creek. Comment
  CAS-BOT-BC180062  Geranium viscosissimum Verne Grant; I. Schneider 1947-7-22 8145 Modoc N fork of Pit River on Hwy 395, ca. 1 mi. N of junction with Cedarville road. Comment
  CAS-BOT-BC180067  Geranium viscosissimum Robert J. Weatherby 1955-7-8 1620 Modoc 6 mi. N of Ft. Bidwell. 1783 Comment
  CAS-BOT-BC180072  Geranium viscosissimum Annie Montague Alexander; L. Kellogg 1946-6-30 4878 Modoc Highgrade, W side of ridge. 2377 Comment
  CAS-BOT-BC180077  Geranium viscosissimum John H. Hatton 1911-6-13 79 Modoc Modoc County. 1389 Comment
  CAS-BOT-BC180080  Geranium viscosissimum Annie Montague Alexander; L. Kellogg 1946-6-12 4726 Modoc 1 mi. E of Lake City. 1414 Comment
  UC748252  Geranium viscosissimum Annie M. Alexander and Louise Kellogg 1946-6-30 4878 Modoc Highgrade, w side of ridge, n end of Warner Mountains Warner Mountains 2377 Comment
  UC748253  Geranium viscosissimum Annie M. Alexander and Louise Kellogg 1946-7-12 4986 Modoc Twelve Mile Creek, ne corner of Modoc County Twelve Mile Creek Comment
  JEPS61436  Geranium viscosissimum Leland S. Smith 1918-7-21 1002 Modoc Blue Lake Modoc Forest 1828 Comment
  RSA252487  Geum macrophyllum Robert F. Thorne, C. W. Tilforth 1969-9-5 39173 Modoc Modoc National Forest, Warner Mts, along Fall Creek below Falls. 1738 Comment
  UCD113296  Geum triflorum Beecher Crampton 1960-6-17 5705 Modoc McKay Flat, 13 miles west of Canby, 2.5 miles northeast Happy Camp Station. 1280 Comment
  CHSC118310  Geum triflorum var. ciliatum L. P. Janeway 2016-5-18 12076 Modoc Modoc Plateau. Devils Garden area; Island Meadow, along Road 47N08 2.1 road-km north of Road 73/181/47N09 1606 Comment
  CHSC118325  Geum triflorum var. ciliatum L. P. Janeway 2016-5-17 12047 Modoc Modoc Plateau. Devils Garden area; along Road 45N01 1.6 road-km east of Road 48N08/73/Crowder Flat Road; on Timbered Mountain. 1585 Comment
  POM140053  Geum triflorum var. ciliatum Milo S. Baker 1893-1 s.n. Modoc Forestdale Comment
  NY964019  Gilia salticola B. M. Bartholomew 1991-5-24 5710 Modoc Surprise Valley, east of Eagleville at the Nevada State boundary 1520 Comment
  CAS-BOT-BC190666  Gilia sinistra subsp. sinistra James Vale; et al 1979-6-9 s.n. Modoc South Fork Fitzhugh Creek, Parker Creek Road to Jess Valley Road. Comment
  UC60735  Glyceria striata M. S. Baker and Frank Nutting 1894-8-25 Modoc Forestdale 1371 Comment
  CAS-BOT-BC49574  Gnaphalium palustre Bruce Bartholomew; Barrett Anderson 1990-7-19 5431 Modoc Sweagert Flat. 1860 Comment
  CHSC106174  Gnaphalium palustre Lowell Ahart; John Dittes 2010-8-30 17075 Modoc About 10 yards west of the fence, south edge of the meadow, Ash Creek State Wildlife Area, 2300 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  CHSC117252  Gnaphalium palustre Lowell Ahart; John Dittes 2016-7-14 21157 -A Modoc West side of new pond, south of Ash Creek Canal (now filled in), south of Ash Creek State Wild Life Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. 1271 Comment
  UC711857  Gnaphalium palustre Roxana S. Ferris and Laura Lorraine 1941-8-13 10557 Modoc Patterson Ranger Station, East Creek drainage Warner Mountains, Modoc National Forest, East Creek 2164 Comment
  JEPS6008  Gnaphalium palustre Frances D. Payne 1935-7-19 787 Modoc mouth of Dry Creek Warner Mountains, Parker Creek, Dry Creek (tributary of Parker Creek, s and e of Alturas) Comment
  UC32026  Gnaphalium palustre Mrs. R. M. Austin 1894-8-1 Modoc Goose Lake Valley, Gardens Goose Lake Valley Comment
  CAS-BOT-BC242178  Goodyera oblongifolia Bruce Bartholomew 1994-7-3 6832 Modoc Field redacted by CAS, contact the data manager for more information 1900 Comment
  HSC81139  Goodyera oblongifolia G. M. Riegel 1978-9-6 190 Modoc South Warner Mountains 1670 Comment
  CHSC106192  Gratiola ebracteata Lowell Ahart; John Dittes 2010-8-31 17128 Modoc Edge of a pond, about 400 yards west of Elkins Lane and the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  RSA424793  Gratiola ebracteata Louis C. Wheeler 1935-8-22 3909 Modoc Devil's Garden: South Mt. Reservoir. 1524 Comment
  UC1191879  Gratiola neglecta Herbert L. Mason and Verne Grant 1947-7-12 13393 Modoc off highway 395 several mi s Alturas (irrigation ditch by Jones' Lane) Comment
  JEPS3604  Gratiola neglecta Verne Grant, Irving Schneider 1947-7-18 8038 Modoc 10 mi s of Alturas (5 mi n of Bayley's Bridge, Eastside Canal); Eastside Canal Comment
  HSC42420  Grindelia hirsutula Barbara Kelly 1977-7-24 545 Modoc Hwy. 299 near Adin Pass, 100 yards E of Higgins Flat turnoff. Comment
  CHSC110972  Grindelia nana Lowell Ahart; John Dittes 2012-7-11 18337 Modoc On 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 Adin, about 8 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  CAS-BOT-BC54095  Hackelia cusickii M. M. Hanna 1956-6-7 1019 Modoc Hwy 139 between Canby and Tienesta. Comment
  CAS-BOT-BC54096  Hackelia cusickii Bruce Bartholomew; Mona Bourell 1990-4-28 5209 Modoc 4.3 km SE of Rush Creek on road to Hunters Ridge. 1550 Comment
  CAS-BOT-BC54097  Hackelia cusickii Frederick H. Frost 1925-5-24 42 Modoc Steamboat Canyon, Warner Mountains 1767 Comment
  CAS-BOT-BC54052  Hackelia micrantha K. Paulson; Robert Paulson 1991-7-7 234 Modoc Deep Canyon Road, E side of Warner Mountains. 2057 Comment
  RSA26981  Hackelia micrantha C. L. Hitchcock 1940-5-27 6692 Modoc 15 miles NE of Alturas. 1616 Comment
  SEINET195636  Haplopappus acaulis Annie M. Alexander, Louise Alexander 1946-8-9 5138 Modoc Patterson Lake Trail Warner Mountains Comment
  HSC5799  Helianthella californica subsp. nevadensis M. S. Baker 1893-1 Modoc Forestdale Comment
  CAS-BOT-BC49549  Helianthus annuus Annetta Mary Carter 1946-8-18 1775 Modoc Round Valley, 3 mi. NE of Adin. 1402 Comment
  CHSC100432  Helianthus annuus Lowell Ahart; John Dittes 2008-8-25 15313 Modoc On the east bank of the Pit River (flood plain), about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout. 1273 Comment
  CAS-BOT-BC49504  Helianthus cusickii Alice Eastwood; John Thomas Howell 1940-6-11 8022 Modoc 8 mi. from Canby on road to Alturas. Comment
  CAS-BOT-BC54064  Heliotropium curassavicum Bruce Bartholomew 1989-8-11 5058 Modoc Along W side of Goose Lake, 3.5 km S of the Oregon border on National Forest Road 48. 1430 Comment
  CAS-BOT-BC49380  Hemizonella minima John Thomas Howell 1934-7-1 12312 Modoc Duncan Horse Camp, 6 mi. E of Perez. 1355 Comment
  CAS-BOT-BC21470  Heracleum lanatum Bruce Bartholomew; Barrett Anderson 1988-7-22 4539 Modoc Side Creek, W side of Lake City Canyon, E side of the Warner Mts.. 1980 Comment
  CDA40308  Hesperochiron californicus M. Charrier 1969-5-25 s.n. Modoc West Valley Reservoir, southeast of Likely. 0 Comment
  RSA0110965  Hesperochiron pumilus Bruce Bartholomew, B. Anderson 1988-5-12 4102 Modoc White Horse 1340 Comment
  RSA59731  Hesperochiron pumilus E. K. Balls 1950-5-17 14739 Modoc Howard s Gulch Public Camp, off Highway 139. 1433 Comment
  CAS-BOT-BC179171  Hesperolinon micranthum B. Bartholomew 1991-7-4 5927 Modoc Vicinity of Pine Spring between Miller Gulch and Twin Lakes. 1420 Comment
  CAS-BOT-BC179174  Hesperolinon micranthum Herbert L. Mason 1946-7-13 13448 Modoc W end of Fandango Pass, near Goose Lake. Comment
  JEPS32305  Hesperolinon micranthum Frances D. Payne 1932-7-11 692 Modoc s and e Alturas; Warner Mountains, Payne Creek 1584 Comment
  UC17268  Hesperolinon micranthum Mrs. R. M. Austin Aug., 1894 Modoc hills Lassen Creek Comment
  POM193019  Heterocodon rariflorum Franklin P. Nutting 1894-9-1 s.n. Modoc Forestdale. Comment
  CAS-BOT-BC225788  Heuchera cylindrica Annie Montague Alexander; L. Kellogg 1946-7-3 4902 Modoc Fort Bidwell Creek Canyon, 3.5 mi. W of Fort Bidwell. Comment
  CAS-BOT-BC225792  Heuchera cylindrica Elmer Ivan Applegate 1932-7-9 7591 Modoc N slope of Bidwell Mountain, Warner Mts. Comment
  CAS-BOT-BC225797  Heuchera cylindrica Gary Schoolcraft; et al 1988-7-16 1837 Modoc Upper slopes of Squaw Peak, Warner Mts. 2621 Comment
  RSA0062920  Heuchera cylindrica var. alpina Clare B. Hardham 1961-6-18 7572 Modoc Top of peaks S of summit of Cedar Pass. 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
  CAS-BOT-BC49510  Hieracium albiflorum Annie Montague Alexander; L. Kellogg 1946-6-15 5117 Modoc Deep Creek, Warner Mountains Comment
  HSC81133  Hieracium horridum G. M. Riegel 1979-7-21 572 Modoc South Warner Mountains 1670 Comment
  JEPS5976  Hieracium scouleri Frances D. Payne 1932-7-22 735 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  CDA14600  Holodiscus microphyllus var. glabrescens G. D. Barbe 1991-8-27 4440 Modoc Warner Mountains; Windswept ridge east of Bald Mountain, Modoc National Forest. 2316 Comment
  JEPS45108  Holodiscus microphyllus var. glabrescens L. S. Smith 1918-8-11 1029 Modoc Camp One Lost Lake (Lost Lake, Modoc Forest); Modoc Forest, Lost Lake 3017 Comment
  NY446368  Holosteum umbellatum G. Schoolcraft 1981-5-6 376 Modoc North of Alturas 1463.0 Comment
  UCD85267  Hordeum brachyantherum Annie M. Alexander; Louise Kellogg 1946-6-18 4794 Modoc Patterson Mill--Silver Creek roads. 1828 Comment
  CAS-BOT-BC247688  Hordeum brachyantherum subsp. brachyantherum Bruce Bartholomew 1991-6-23 5873 Modoc W side of Ingall Swamp, Devil's Garden. 1510 Comment
  UCD85367  Hordeum brachyantherum subsp. brachyantherum Beecher Crampton 1954-7-7 2165 Modoc 2.5 miles east of Alturas. Near Radio Station KCNO. Comment
  POM313215  Hordeum jubatum H. L. Mason 1947-8-9 13478 Modoc East side of Fairchild Swamp, north of Alturas Comment
  SEINET10591641  Hordeum jubatum Louis C. Wheeler 1935-8-2 Wheeler 3743 Modoc Damp sunny meadow. Dismal Swamp, Twenty Mile Creek, Warner Mts. S31, T48N, R16E. 2225 Comment
  UC711813  Horkelia fusca subsp. capitata Roxana S. Ferris and Laura Lorraine 1941-8-14 10586 Modoc 3 mi from Patterson Ranger Station (on rd to Eagleville); Modoc National Forest, Warner Mtns Comment
  UC1553378  Horkelia fusca subsp. capitata Sch/Yor/Hor/Ach 1988-7-16 1840 Modoc ca 1 mi sse Pepperdine Camp (along trail); Warner Mtns 2194 Comment
  CHSC14079  Horkelia tridentata K. R. Stern; D. B. Joley, J. G. Geschke 1974-6-22 5829 Modoc Ca. 0.5 mi w of w margin of Egg Lake. 1295 Comment
  CAS-BOT-BC179330  Hydrophyllum capitatum var. alpinum Annie Montague Alexander; L. Kellogg 1946-6-8 4704 Modoc Near 3 mile Ranger Station sign, road from Eagleville to Patterson Mill. 2225 Comment
  HSC13548  Hydrophyllum capitatum var. alpinum M. T. Milligan 1964-6-25 75 Modoc Upper Lassen Creek 1829 Comment
  UC1005251  Hydrophyllum capitatum var. alpinum Rolf Y. Berg 1955-6-22 Modoc w of Cedarville (Cedar Pass Campground); Modoc National Forest 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
  POM73853  Hydrophyllum capitatum var. alpinum Mrs. R. M. Austin, Bruce 1898-07 2196 Modoc Goose Lake Mountains. Comment
  UC24084  Hydrophyllum capitatum var. alpinum Milo S. Baker 1893-1 Modoc 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
  JEPS66827  Hypericum formosum var. scouleri Leland S. Smith 1924-6-29 1436 Modoc Happy Camp Ranger Station Modoc Forest, Happy Camp Ranger Station 1371 Comment
  UC635673  Hypericum formosum var. scouleri F. H. Frost 1900-7-24 103 Modoc Jess Valley Warner Mts., Jess Valley Comment
  CAS-BOT-BC58446  Idahoa scapigera F. Angwin 1946-3-31 Modoc Adin. 1371 Comment
  CAS-BOT-BC58447  Idahoa scapigera E. S. Willits 1940-4-16 181 Modoc Sugar Hill. Comment
  RSA59646  Idahoa scapigera E. K. Balls 1950-5-12 14647 Modoc N of Bucks Creek Ranger Station, Modoc National Forest, E of Goose Lake. 1738 Comment
  OBI47989  Idahoa scapigera Rhonda Riggins 1989-4-28 1664 Modoc Pencil rd, 4.4 I N of hwy 395 E of Alturas. T43N, R12E, sec 13 1524 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
  CAS-BOT-BC190656  Ipomopsis aggregata subsp. aggregata John H. Hatton 1911-6-23 155 Modoc Modoc County. 1676 Comment
  UC23475  Ipomopsis congesta Mrs. C. C. Bruce June 1898 2330 Modoc table land Warner Mtns Comment
  CHSC27611  Ipomopsis congesta subsp. montana Robert Schlising 1978-7-29 3326 Modoc Warner Mountains, directly E of Warren Peak; just off summit of trail. 2852 Comment
  CAS-BOT-BC190640  Ipomopsis congesta subsp. palmifrons Bruce Bartholomew 1991-8-5 6046 Modoc Summit Trail between Squaw Peak and Cottenwood Lake, crest of the Warner Mts. 2470 Comment
  CAS-BOT-BC245099  Iris missouriensis E. S. Willits 1940-5-18 275 Modoc Willow Ranch. Comment
  UC117145  Iris missouriensis Mrs. R. M. Austin Jun 1894 75 Modoc Goose Lake Valley Comment
  NY411179  Isatis tinctoria M. J. Williams 1984-6-29 84- 73 --1 Modoc Fandango Pass road, Warner Mountains. 0.8 mi E of Hwy 395. 1463.0 Comment
  CAS-BOT-BC30187  Isoetes bolanderi Louis Cutter Wheeler 1935-8-14 3857 Modoc Cave Lake, Warner Mts. 2072 Comment
  CAS-BOT-BC384659  Iva axillaris Andrew Townesmith; Karen M. Meyer 2007-9-15 925 Modoc Modoc National Forest, Warner Mountain Ranger District. Along state route 299, 10.9 miles west of junction with US route 395. At Cedar Pass 1928 Comment
  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
  UC1594787  Ivesia gordonii David Charlet 1989-8-21 582 Modoc 0.1 km w Eagle Peak; South Warner Mountains 3000 Comment
  UC748065  Ivesia gordonii Annie M. Alexander and Louise Kellogg 1946-8-9 5140 Modoc Patterson Lake Trail; Warner Mountains Comment
  CAS-BOT-BC123373  Ivesia gracilis Newberry 1855-1-1 s.n. Modoc on the shores of Rhett (Tule) Lake Comment
  CAS-BOT-BC245077  Juncus balticus subsp. ater Roxana Stinchfield Ferris; R. Duthie 1919-6-15 152 Modoc Parker Creek. Comment
  CAS-BOT-BC245072  Juncus bufonius Bruce Bartholomew 1991-7-4 5907 Modoc Roney Flat. 1460 Comment
  SJSU9659  Juncus bufonius W. Savage 1979-7-9 1496 Modoc Round Valley, Triangle, Devils Garden District, Modoc National Forest 1493 Comment
  RSA0113961  Juncus bufonius var. bufonius Lowell A. Ahart, John Dittes 2013-7-24 18929 Modoc About 50 yards south of the levee road, north side of Ash Creek Floodplain, 0.54 mile (air) southeast of Pilor Butte Parking Area, 1.1 miles (air) south of County Road 87, 6.8 miles (air) west of Adin, Big valley. 1263 Comment
  JEPS121227  Juncus bufonius var. occidentalis Lowell Ahart, John Dittes 2013-7-24 18930 Modoc About 50 yards S of the levee road, N side of Ash Creek Floodplain, 0.54 air miles SE of Pilot Butte parking area, 1.1 air miles S of County Road 87, 6.8 air miles W of Adin, Big Valley. Comment
  CHSC109447  Juncus confusus L. P. Janeway; B. Castro 2012-7-25 10985 Modoc Warner Mountains. Slope along north side of Dismal Swamp. 2216 Comment
  CHSC85414  Juncus confusus John Dittes; Josephine Guardino 1991-8-23 455 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
  JEPS66985  Juncus ensifolius W. L. Jepson 1918-8-14 7985 Modoc Jess Valley 1584 Comment
  UC1601868  Juncus ensifolius Baker and Nutting 1894-7-6 Modoc Dixie Valley Comment
  CAS-BOT-BC245057  Juncus hemiendytus var. abjectus Bruce Bartholomew 1995-6-3 6958 Modoc Island Meadow N of road between Goose Lake and Crowder Flat Road. 1570 Comment
  CHSC117756  Juncus hemiendytus var. abjectus L. P. Janeway 2016-5-18 12069 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
  CAS-BOT-BC245052  Juncus hemiendytus var. hemiendytus Bruce Bartholomew 1995-6-1 6930 Modoc Widow Valley between Day and Lookout on County Road 94. 1330 Comment
  CHSC100840  Juncus mertensianus L. P. Janeway; B. Castro 2008-8-17 9573 A Modoc Warner Mountains. North slope of Bald Mountain; just below the cliffs at the top of the peak. Near moist bed of small rocky drainage channel. On moist slope on the side of the drainage. 2372 Comment
  UC70012  Juncus mertensianus Mrs. M. H. Manning Jun 1903 446 Modoc ne Modoc County Comment
  UC1601783  Juncus nevadensis Baker and Nutting 1894-7-28 Modoc Bridge 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
  RSA210799  Juncus torreyi Robert F. Thorne, James Henrickson, C. W. Tilforth 1969-9-4 39067 Modoc Near old margin of Goose Lake, SW shore of Goose Lake N of McGinty Point. 1433 Comment
  SEINET6173599  Juncus trilocularis L. C. Wheeler 1935-9-23 4001 Modoc Pease Flat, Devil's Garden 1524 Comment
  HSC26492  Juniperus occidentalis J. P. Smith, J. O. Sawyer 1972-5-6 5264 Modoc FS road to Quail Spring at Hwy. 299, N of Adin 1463 Comment
  CAS-BOT-BC95671  Kalmia polifolia Annie Montague Alexander; L. Kellogg 1946-6-27 4852 Modoc Highgrade, 2 mi from Dismal Swamp. 2377 Comment
  RSA604326  Kalmia polifolia subsp. microphylla L. C. Wheeler 1935-8-4 3776 Modoc Pine Creek, Warner Mts. 2210 Comment
  CAS-BOT-BC225088  Kelloggia galioides Alice Eastwood; John Thomas Howell 1940-6-13 8153 Modoc Fandango Pass. 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
  CAS-BOT-BC248332  Kelloggia galioides B. Bartholomew; H. Sun 2002-6-24 8817 Modoc Ridge top just S of Manzanita Mt. and 15.3 straight line km NW of Aden 2070 Comment
  POM299547  Kelloggia galioides Marion Ownbey, Fred G. Meyer 1940-7-1 2149 Modoc Cedar Peak, Warner Mountains. Comment
  POM68593  Kelloggia galioides R. M. Austin 1895-07 405 Modoc Willow Creek (Devils Garden) Comment
  UC1037211  Kelloggia galioides Leo Whitney 1934-5-28 1572 Modoc ca 15 mi nw Canby (Spaulding's Butte, Hackamore); Modoc National Forest 1463 Comment
  UC705396  Kelloggia galioides Marion Ownbey, Fred G. Meyer 1940-7-1 2149 Modoc Cedar Peak; Warner Mts. Comment
  CAS-BOT-BC247651  Koeleria macrantha Leland S. Smith 1917-7-4 101 Modoc Above Cedarville. 1828 Comment
  CHSC69491  Koeleria macrantha James D. Jokerst 1987-5-13 2871 Modoc Radar Survey Site S of Doublehead Mtn., S of Clear Lake Reservoir, S end of northern sector. 1359 Comment
  CHSC99767  Koeleria macrantha Lowell Ahart; John Dittes 2008-6-21 15015 Modoc On the north side of the dirt road, in Big Valley, about 3.8 miles (air) north of the Headquarters at Ash Creek State Wildlife Area, about 6.5 miles (air) northeast of Bieber. 1264 Comment
  HSC29815  Koeleria macrantha D. H. Norris, T. Nelson, S. Dowty 1971-6-23 19402 Modoc Along Hager Basin Rd. near Big Sage Reservoir. Comment
  UCD85732  Koeleria macrantha Beecher Crampton; Carl Rimbey 1954-7-8 2182 Modoc west slope of Jess Valley, Warner Mountains, 15 miles east of Likely. Comment
  CDA7520  Lactuca tatarica subsp. pulchella L. B. Smith 1960-8-12 Modoc Near Robert Anderson ranch, Road 104, Tulelake. 0 Comment
  CHSC99898  Lactuca tatarica subsp. pulchella Lowell Ahart; John Dittes 2008-8-26 15344 Modoc On the banks of Rose Creek, 250 feet southwest of the confluence of Rose Creek and Pit River, on the northwest side of unnamed road, 3,160 feet east of intersection with County Road 85a, 9.3 miles (air) north-northeast of Lookout. 1276 Comment
  JEPS114458  Lactuca tatarica subsp. pulchella Lowell Ahart, John Dittes 2008-8-26 15344 Modoc On the banks of Rose Creek, 250 feet southwest of the confluence of Rose Creek and Pit River, on the northwest side of unnamed road, 3,160 feet east of intersection with County Road 85a, 9.3 miles (air) north-northeast of Lookout 1276 Comment
  UC1964693  Lactuca tatarica subsp. pulchella Mrs. R. M. Austin 1894-1 236 Modoc Goose Lake Valley. Sequoia Mills Comment
  JEPS114498  Lagophylla ramosissima Lowell Ahart, John Dittes 2008-8-25 15327 Modoc On the west side County Road 91, 3.9 miles (air) north-northeast of Lookout 1275 Comment
  CAS-BOT-BC49495  Lagophylla ramosissima subsp. ramosissima Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16375 Modoc Junction of Cedar Pass road and Hwy 299, 5.5 mi. N of Alturas Comment
  CAS-BOT-BC49496  Lagophylla ramosissima subsp. ramosissima Margaret J. Williams 1983-9-13 83- 151 -2 Modoc Roadsides from Alturas to Cedarville, 3.8 mi. W of Cedar Pass, 6.7 mi. from jct. of Hwy 299 and Cedarville Road 1554 Comment
  CAS-BOT-BC49497  Lagophylla ramosissima subsp. ramosissima John Thomas Howell 1934-6-11 11939 Modoc Parker Creek, Warner Mtns. 1584 Comment
  CAS-BOT-BC49452  Lasthenia glaberrima Bruce Bartholomew 1991-10-12 6110 Modoc Ash Creek, 1.8 km S of County Rd. 87 on County Rd. 87A. 1280 Comment
  SEINET7716748  Lathyrus albus Unknown Modoc Adobe Flats 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
  RSA245208  Lathyrus pauciflorus subsp. brownii D. H. Norris, T. Nelson, S. Dowty, B. Norris 1971-6-23 19472 Modoc At Upper Rush Creek Campground about 8 miles north of Adin on Highway 299. Comment
  NY716848  Lathyrus rigidus G. Schoolcraft 1998-5-19 2710 Modoc Highway 395 about 9.5 miles north of Davis Creek 1524 Comment
  SEINET7073588  Layia fremontii A. G. Vestal 1955-5-18 s.n. Modoc Modoc lava on Route 139. Modoc National Forest. UTM Zone 10, 646374mE, 4627855mN. Coordinate datum: NAD27. Comment
  CAS-BOT-BC245028  Lemna Bruce Bartholomew; Barrett Anderson 1989-6-2 4793 Modoc Surprise Valley Road, just S of the Oregon border, extreme NE corner of Modoc County. 1630 Comment
  UC1536809  Lemna minor Gordon H. True Jr. 1939-7-21 1004 Modoc Jack Swamp Comment
  CAS-BOT-BC245030  Lemna turionifera Verne Grant; I. Schneider 1947-7-19 8064 Modoc Corporation Ranch, S of south loop road. Comment
  CAS-BOT-BC58457  Lepidium campestre Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-13 16467 Modoc 2.6 mi. N of Buck's Creek Ranger Station, E side of Goose Lake. Comment
  JEPS117383  Lepidium campestre Lowell Ahart, John Dittes 2010-8-31 17109 Modoc About 40 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-BC58662  Lepidium chalepense Bruce Bartholomew 1994-5-16 6699 Modoc Little Hot Spring Valley. 1070 Comment
  UC398778  Lepidium montanum var. canescens Mrs. Austin 1888-1 336 Modoc s of Alturas; Pit River Comment
  CAS-BOT-BC58349  Lepidium perfoliatum E. S. Willits 1940-5-17 273 Modoc Willow Ranch. Comment
  HSC95687  Lepidium perfoliatum Juha Pykala, D. H. Norris 1987-5-28 1210 Modoc Surprise Valley, E of Cedarville, Hwy. 299 across Middle Alkali Lake 1363 Comment
  CDA18851  Lepidium perfoliatum R. Breckenridge 1999-6-15 PDR 1198610 Modoc Jones Lane, approx. 1/2 mi. N of Co. Rd. 115 crossing of Hwy 395 & 1/2 mile W of 395. 0 Comment
  SEINET14165457  Leptosiphon harknessii M. J. Williams 1983-7-29 83- 116 -8 Modoc 1.1 mi N of Stowe Reservoir Campground, N of Cedar Pass, Warner Mtns. 2088 Comment
  POM74259A  Leptosiphon liniflorus Mrs. R. M. Austin 1895-07 534 Modoc Goose Lake Valley. Comment
  SJSU8681  Leptosiphon septentrionalis W. Savage 1979-7-3 1290 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  UC2043248  Leucanthemum vulgare Barbara Ertter 1995-7-1 14464 Modoc Highway 395 south of New Pine Creek on Oregon border, at junction of County Road 44. Comment
  CAS-BOT-BC242077  Leucocrinum montanum E. S. Willits 1940-4-21 188 Modoc Near quarantine station, Alturas. Comment
  HSC15562  Leucocrinum montanum M. T. Milligan 1966-5-14 607 Modoc Plateau W of Jess Valley 1829 Comment
  HSC15583  Leucocrinum montanum M. T. Milligan 1964-4-25 Modoc S of Lower Cummings Reservoir 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
  SEINET195692 Image available Lewisia nevadensis Annie M. Alexander, Louise Kellogg 1946-6-15 4780 a Modoc Deep Creek 2190 Comment
  UC748352  Lewisia nevadensis Annie M. Alexander and Louise Kellogg 1946-6-15 4780 a Modoc Deep Creek 2194 Comment
  HSC26015  Lewisia rediviva D. H. Norris, T. Nelson, S. Dowty 1971-6-23 19371 Modoc Along the S Fork of the Pit River, ~6 mi. E of Likely. Comment
  RSA27322  Lewisia rediviva C. L. Hitchcock 1940-5-27 6671 Modoc 15 miles northeast of Alturas. 1616 Comment
  UC1031363  Lewisia rediviva R. C. Wilson 1933-6-11 46 Modoc Rush Creek Camp Modoc National Forest, Alturas Quadrangle Comment
  UC748279  Lewisia rediviva Annie M. Alexander and Louise Kellogg 1946-6-14 4744 Modoc on small flat, Patterson Mill Road se corner of county 1341 Comment
  CHSC118313  Lewisia rediviva var. rediviva L. P. Janeway 2016-5-17 12018 Modoc Modoc Plateau. Devils Garden area; flat just below (west of) Porcupine Rim; 0.3 km north of Road 43N18; 4.0 air-km west of Big Sage Reservoir. 1544 Comment
  SBBG1942  Lewisia rediviva var. rediviva H. and M. Dearing 1939-6-9 3618 Modoc N of Squaw Peak, Warner Mtns Comment
  UCR70871  Lewisia rediviva var. rediviva C. L. Hitchcock 1940-5-27 6671 Modoc 15 mi NE of Alturas 1616 Comment
  POM203132  Leymus cinereus J. T. Howell 1934-6-30 12275 Modoc Duncan Horse Camp. Comment
  SEINET190941  Leymus cinereus A. A. Beetle 1941-6-29 2841 Modoc 15 miles east of Alturas on road to Cedarville Pass 1372 Comment
  UCD64258  Leymus cinereus A. A. Beetle 1941-6-29 2841 Modoc 15 miles E of Alturas on road to Cedarville Pass. 1371 Comment
  RSA602593  Leymus condensatus L. C. Wheeler 1935-9-10 3964 Modoc McGinty Reservoir, Devil's Garden 1463 Comment
  JEPS73997  Leymus triticoides Frances D. Payne 1932-7-18 703 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  SEINET179457 Image available Leymus triticoides F. Payne 782 Modoc Warner Mountains Comment
  UCD64650  Leymus triticoides Beecher Crampton 1954-7-7 2154 Modoc Alturas. Vacant lot behind Niles theatre. Comment
  HSC80781  Ligusticum grayi G. M. Riegel 1980-8-28 1118 Modoc S Warner Mtns. 2100 Comment
  CAS-BOT-BC242072  Lilium pardalinum subsp. shastense Bruce Bartholomew 1989-7-14 4933 Modoc Along Rush Creek between Lower and Upper Rush Creek Campgrounds. 1580 Comment
  CHSC117367  Limosella acaulis Lowell Ahart; John Dittes 2016-7-14 21197 Modoc Strand of a new pond, south of Ash Creek Canal (now filled in), south of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. 1273 Comment
  UC1101427  Limosella acaulis Verne Grant and Irving Schneider 1947-7-20 8099 Modoc by Dorris bridge Alturas (Alturas, North Fork of Pit River); North Fork of Pit River Comment
  UC23461  Linanthus ciliatus Milo S. Baker 1893-6-20 Modoc Comment
  CAS-BOT-BC198028  Linanthus nuttallii subsp. nuttallii Bruce Bartholomew; Barrett Anderson 1988-7-23 4552 Modoc Road beyond Poison Lake ca. 8 km S of the road from U.S. Highway 395 to Lily Lake, Warner Mts.. 2140 Comment
  CAS-BOT-BC198030  Linanthus nuttallii subsp. nuttallii K. Paulson; Robert Paulson 1988-7-9 70 Modoc Near Poison Lake, Warner Mts.. 2133 Comment
  CDA6355  Linaria genistifolia subsp. dalmatica T. C. Fuller 1963-8-27 11168 Modoc Sugar Hill Planting, Lassen Creek, ca. 6 miles southeast of Willow Ranch. 0 Comment
  CAS-BOT-BC179153  Linum lewisii M. M. Hanna 1956-6-4 955 Modoc Cedar Pass. Comment
  CAS-BOT-BC179159  Linum lewisii Roxana Stinchfield Ferris; R. Duthie 1919-6-14 96 Modoc Above Parker Cr., 1 mi. above Modoc Nat. Forest Boundary. Comment
  CAS-BOT-BC179163  Linum lewisii Frances D. Payne 1929-6-18 9 Modoc Parker Creek. Comment
  CAS-BOT-BC179165  Linum lewisii M. M. Hanna 1956-6-4 955 Modoc Cedar Pass. Comment
  CAS-BOT-BC179164  Linum lewisii John H. Hatton 1911-6-10 19 Modoc Modoc County. 1524 Comment
  HSC31999  Linum lewisii J. D. Ackerman, A. M. Montalvo 1974-7-5 368 Modoc Confluence of Bolan Creek and Thoms Creek, just W of Cedar Pass, Warner Mtns. Comment
  JEPS31660  Linum lewisii Frances D. Payne 1929-6-13 9 Modoc s and e of Alturas (Warner Mts., Parker Creek); Warner Mts., Parker Creek 1584 Comment
  SJSU9652  Linum lewisii var. lewisii W. Savage 1979-7-8 1487 Modoc N end Fairchild Swamp Unit, Triangle, Devils Garden District, Modoc National Forest 1493 Comment
  RSA534598  Listera convallarioides Bruce Bartholomew 1991-8-6 6088 Modoc S Emerson Trail at stream between S Fork of Emerson Creek and Bearcamp Trail, Warner Mountains 2130 Comment
  UC71855  Listera convallarioides Mrs. M. H. Manning 1903-9-3 375 Modoc John Henry Camp 1828 Comment
  CAS-BOT-BC225818  Lithophragma glabrum Bruce Bartholomew; Barrett Anderson 1988-5-13 4167 Modoc Ca. 1 km NE of Pepperdine at the junction of the road to Tom Lee Meadow, E facing slope at the top of the Warn 2030 Comment
  CAS-BOT-BC225820  Lithophragma glabrum Bruce Bartholomew; Barrett Anderson 1989-4-28 4644 Modoc 8.8 km N of State Highway 299 on road to Raker & Thomas Reservoir. 1470 Comment
  RSA59798  Lithophragma glabrum E. K. Balls 1950-5-17 14738 Modoc Howard s Gulch Public Camp, off Hwy. 139. N.W. of Canby. 1433 Comment
  RSA488032  Lithophragma glabrum Bruce Bartholomew, B. Anderson 1988-5-12 4112 Modoc S side of Egg Lake. 1300 Comment
  UC402494  Lithophragma parviflorum M. F. Gilman 620 Modoc 1524 Comment
  CAS-BOT-BC225838  Lithophragma tenellum Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16425 Modoc Summit of Cedar Pass, between Alturas and Cedarville. 1935 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
  UC1037250  Lithospermum ruderale Leo Whitney 1934-5-28 1603 Modoc 15 mi nw Canby (Spaudldings Butte near Hackamore); Modoc National Forest 1463 Comment
  RSA486799  Lithospermum ruderale Bruce Bartholomew, B. Anderson 1988-5-13 4143 Modoc Along Parker Creek Road, 2.7 km W of Modoc National Forest and ca. 16km WSW of Alturas, W side of the Warner Mountains. 1490 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-BC21443  Lomatium bicolor var. leptocarpum Louis Cutter Wheeler 1935-9-12 3982 Modoc Poindexter Reservoir, Devil's Garden. 1524 Comment
  CAS-BOT-BC21448  Lomatium bicolor var. leptocarpum Francis Dorris Payne 1932-6-10 628 Modoc Parker Creek. 1584 Comment
  CAS-BOT-BC21451  Lomatium bicolor var. leptocarpum Bruce Bartholomew; Barrett Anderson 1988-6-23 4291 Modoc S side of Egg Lake, ca. 1.5 km W of the Burlington Northern railroad track. 1300 Comment
  CHSC107350  Lomatium bicolor var. leptocarpum Lowell Ahart; John Dittes 2011-6-22 17548 Modoc About 50 yards east of the road, about 100 yards northeast of the Pilot Butte Parking Lot, north edge of Ash Creek Floodplain, 1.1 miles (air) south of County road 87, 7.7 miles (air) west of Adin, 10 miles (air) east of Lookout, Big Valley. 1264 Comment
  CHSC117808  Lomatium bicolor var. leptocarpum L. P. Janeway 2016-5-18 12062 Modoc Modoc Plateau. Devils Garden area; Island Meadow, along Road 47N08 2.1 road-km north of Road 73/181/47N09. 1606 Comment
  UC1508606  Lomatium bicolor var. leptocarpum Arnold Tiehm 1984-7-20 8827 Modoc 8.9 road mi NE of Ft. Bidwell (on the main road to Adel, just past the road summit) 1615 Comment
  CAS-BOT-BC21453  Lomatium bicolor var. leptocarpum R. M. Austin; C. C. (Mrs.) Bruce 1898-6-1 2283 Modoc Fields, Goose Lake. Comment
  RSA164430  Lomatium bicolor var. leptocarpum Clare B. Hardham 1961-6-16 7891 Modoc Road from Mt. Bidwell to Dismal Cr. 2439 Comment
  HSC27251  Lomatium canbyi J. P. Smith, J. O. Sawyer 1972-5-6 5275 Modoc Along Hwy. 299, 4 mi. W of Modoc County Rd. 58, E of Alturas 1494 Comment
  NY1115231  Lomatium canbyi B. M. Bartholomew 1993-5-10 6477 Modoc Northwest side of Barrel Spring Road near northwest corner of Mud Lake 1680 Comment
  CDA38470  Lomatium dissectum T. C. Fuller 1963-6-11 10646 Modoc Little Meadow Campground, South Fork of the Pit River, 7.9 miles east of Likely. 0 Comment
  CAS-BOT-BC30168  Lomatium dissectum var. multifidum John Thomas Howell 1934-6-11 11941 Modoc Parker Creek. 1584 Comment
  CAS-BOT-BC30175  Lomatium foeniculaceum subsp. macdougalii Bruce Bartholomew 1995-6-2 6941 Modoc 3.5 km NE of County Road 38 on County Road 37, SE side of Surprize Valley. 1390 Comment
  CAS-BOT-BC30128  Lomatium foeniculaceum subsp. macdougalii James Vale 1980-6-9 s.n. Modoc Ridge from Stowe Road, Cedar Pass, Warner Mtns. Comment
  UC1608976  Lomatium grayi B. Bartholomew 1993-6-13 6634 Modoc e. side Surprise Valley (just w. of Sand Creek on rd. from Hwy. 299 to Leonard Hot Spring) 1410 Comment
  CAS-BOT-BC30131  Lomatium grayi var. grayi Bruce Bartholomew 1993-6-13 6634 Modoc Just W of Sand Creek on road from Highway 299 to Leonard Hot Spring, E side of Surprise Valley. 1410 Comment
  CAS-BOT-BC30133  Lomatium hendersonii Bruce Bartholomew 1991-5-25 5769 Modoc 4.3 km S of Likely-Jess Valley Rd. on road to West Valley Reservoir. 1540 Comment
  CAS-BOT-BC15759  Lomatium nevadense var. nevadense Roxana Stinchfield Ferris; R. Duthie 1919-6-14 98 Modoc E of Alturas, Warner Mts. 2133 Comment
  SJSU9578  Lomatium nudicaule W. Savage 1979-7-4 1338 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  CAS-BOT-BC15774  Lomatium piperi Bruce Bartholomew; Barrett Anderson 1988-5-13 4164 Modoc Granger Summit, ca. 10 km NW of Pepperdine at the top of the Warner Mts.. 1770 Comment
  CAS-BOT-BC497467  Lomatium triternatum Margaret J. Williams 1988-5-30 88- 26 -6 Modoc Jess Valley, E of Likely, S of roadside rest. 1524 Comment
  OBI81754  Lomatium triternatum Tracey Call, Viola Call 1961-5-30 2054 Modoc 15 miles north of Alturas near U.S. 395 highway Comment
  CHSC85164  Lomatium triternatum var. macrocarpum John Dittes; Josephine Guardino 1991-7-21 428 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
  SEINET10545662  Lomatium triternatum var. macrocarpum Jeffrey Huber 1971-6-3 Huber 99 Modoc 5 mi. S of Canby on CA Hwy. 299. 1280 Comment
  SEINET11131297  Lomatium triternatum var. triternatum M. J. Williams, T. Holcomb, B. Holcomb, L. Saxton 1988-5-28 88191 Modoc Hwy 395, intersection with Davis Creek Road Comment
  CAS-BOT-BC21397  Lomatium vaginatum Mrs. H. C. Cantelow 1940-5-31 s.n. Modoc 3 mi. E of Canby. Comment
  POM260283  Lomatium vaginatum C. L. Hitchcock 1940-5-27 6657 Modoc 9 miles northeast of Alturas. 1402 Comment
  UC1228814  Lomatium vaginatum Lincoln Constance and Emil DiFulvio 1962-4-16 3750 Modoc 3.2 mi. n. Likely 1310 Comment
  CAS-BOT-BC21395  Lomatium vaginatum E. H. Steffen 1930-5-27 18 Modoc West Valley Camp. 1524 Comment
  CAS-BOT-BC95171  Lonicera involucrata var. involucrata Bruce Bartholomew; Barrett Anderson 1988-6-24 4329 Modoc Lily Lake, W side of the Warner Mts.. 2130 Comment
  CAS-BOT-BC95173  Lonicera involucrata var. involucrata Annie Montague Alexander; L. Kellogg 1946-6-28 4855 Modoc Pine Creek Canyon. 2240 Comment
  HSC3933  Lonicera involucrata var. involucrata Ms. M. H. Manning 1903-8-21 305 Modoc Warner Range. Comment
  SEINET3131479  Lotus crassifolius var. crassifolius M. S. Baker 1893-1 sn Modoc Forestdale Comment
  UC526196  Lotus humistratus John Thomas Howell 1934-6-15 12204 Modoc 2 mi e Alturas; Dorris Reservoir 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
  CAS-BOT-BC181942  Lotus purshianus var. purshianus Bruce Bartholomew 1994-7-1 6755 Modoc 11.9 km NW of State Hwy. 299 on road to Dutch Flat. 1400 Comment
  CAS-BOT-BC181947  Lotus purshianus var. purshianus Bruce Bartholomew 1991-8-4 6009 Modoc Kelly Draw, Round Valley, 2 km E of Hwy 299 on County Road 86. 1310 Comment
  JEPS114667  Lotus purshianus var. purshianus Lowell Ahart, John Dittes 2008-8-25 15302 Modoc On the west bank (flood plain) of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout 1273 Comment
  RSA27896  Lotus unifoliolatus R. M. Austin 1895-06 298 Modoc Goose Lake Valley. Comment
  CAS-BOT-BC190816  Ludwigia palustris Bruce Bartholomew 1995-9-4 7203 Modoc Drainage from Taylor Reservoir just E of junction of County roads 93 and 94. 1260 Comment
  RSA318941  Lupinus Patricia Wilder 1971-6-20 5091 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
  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
  CAS-BOT-BC181898  Lupinus arbustus Francis Dorris Payne 1931-6-21 211 Modoc Ridge SW Dry Creek. 1981 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
  RSA104667  Lupinus arbustus subsp. silvicola Alice Eastwood, John T. Howell 1940-6-13 8141 Modoc Warner Mountains, Fandango Pass. Comment
  UC1129537  Lupinus arbustus var. arbustus R. C. Wilson 1933-5-30 34 Modoc Rush Creek 1432 Comment
  CAS-BOT-BC182196  Lupinus argenteus John Thomas Howell 1934-6-13 12088 Modoc Surprise Valley, 3.5 mi. S of Lake City. Comment
  UC71804  Lupinus argenteus Mrs. M. H. Manning 1902-10-4 50 Modoc near Fort Bidwell (ne Modoc County); near Fort Bidwell Comment
  CDA27382  Lupinus argenteus T. C. Fuller 1971-7-14 19901 Modoc North slope above Long Valley, southern Warner Mountains, ca. 8 miles south of Eagleville. 0 Comment
  RSA0026213  Lupinus argenteus John F. Emmel 1997-6-9 1501 Modoc North end Surprise Valley, 3 air miles NE of Ft. Bidwell; along County Road 1, 3.6 road miles NE of jct. with County Road 6. 1409 Comment
  RSA0026214  Lupinus argenteus John F. Emmel 1997-6-9 1502 Modoc North end Surprise Valley, 3 air miles NE of Ft. Bidwell; along County Road 1, 3.6 road miles NE of jct. with County Road 6. 1409 Comment
  UC865118  Lupinus argenteus Lewis S. Rose 1940-6-14 40564 Modoc Kelly Hot Springs 1341 Comment
  SEINET10451604  Lupinus argenteus subsp. argenteus H. P. Bracelin 1931-6-30 Bracelin 500 Modoc Open field at s end of town. Bush 2 ft high; reddish purple flower 1524 Comment
  SEINET10870581  Lupinus argenteus subsp. argenteus Duane Isely, I. Isely 1971-7-11 Isely 11374 Modoc Roadside at intersection state 139 and 299. Flowers bright violet; standard Ascending 45 degrees; no basal leaves Comment
  CDA27383  Lupinus argenteus var. argenteus T. C. Fuller 1971-7-14 19905 Modoc Southern Warner Mountains; East side of Bear Camp Flat, ca. 7 miles south of Eagleville. 0 Comment
  CHSC109887  Lupinus argenteus var. argenteus B. Castro; L. P. Janeway 2012-7-25 1960 Modoc Warner Mountains. Slope along N side of Dismal Swamp, along sides of rough gravel road going N out of swamp, just above more mesic sites dominated by Artemisia cana. 2215 Comment
  NY736760  Lupinus argenteus var. argenteus H. P. Bracelin 1931-6-30 500 Modoc Alturas 1524 Comment
  CAS-BOT-BC182086  Lupinus argenteus var. heteranthus C. P. Smith 1947-6-13 47465 Modoc Highway 395, Pine Creek (town), S edge. Comment
  JEPS65014  Lupinus argenteus var. heteranthus Leland S. Smith 1918-8-13 1035 Modoc Silver Creek south Warner Mts., foothills, Silver Creek Comment
  SBBG22272  Lupinus argenteus var. heteranthus C. B. Hardham 1961-6-19 7837 Modoc Davis Crk 1676 Comment
  CHSC112351  Lupinus brevicaulis L. P. Janeway; B. Castro 2014-2-6 11285 Modoc Great Basin. Along County Road 5 1.0 km west of the southwest corner of Cow Head Lake. 1627 Comment
  SEINET6654510  Lupinus brevicaulis Margaret J. Williams, Arnold Tiehm; Jan Nachlinger 1988-6-2 88- 28 -3 Modoc Jess Valley, E of Likely, So of roadside rest.; 0 Comment
  RSA26464  Lupinus caudatus Alice Eastwood, John T. Howell 1940-6-13 8137 Modoc West side of Fandango Pass. Comment
  HSC14807  Lupinus caudatus M. T. Milligan 1964-7-1 111 Modoc Ballard's Resvr. Rd. 3 mi. E of Modoc Co. Rd. 54. 1372 Comment
  RSA583143  Lupinus caudatus Louis C. Wheeler 1935-8-7 3805 Modoc Pine Creek, Warner Mtns. 1555 Comment
  RSA520379  Lupinus latifolius subsp. latifolius Bruce Bartholomew, B. Anderson 1989-6-1 4753 Modoc Ca. 0.5 km west of Davis Creek on road to south end of Goose Lake. 1460 Comment
  NY747140  Lupinus latifolius var. barbatus B. Anderson 1986-7-9 3169 Modoc Warner Mountains. Stough Reservoir Rd just east of Cedar Pass near Stough Reservoir 1965 Comment
  UC865300  Lupinus latifolius var. viridifolius Lewis S. Rose 1940-6-13 40550 Modoc Davis Creek 1371 Comment
  CAS-BOT-BC181870  Lupinus lepidus var. sellulus Mrs. H. C. Cantelow 1940-6-2 Modoc About 10 miles NW of Canby on road to Lava Bed National Monument. Comment
  SEINET2149920  Lupinus lepidus var. sellulus K. T. Harper 1974-1 133 Modoc 30 miles N of Susanville. Comment
  CAS-BOT-BC181829  Lupinus microcarpus var. microcarpus Elmer Ivan Applegate 1898-5-31 879 Modoc Near Cornell, Tule Lake. Comment
  CAS-BOT-BC181832  Lupinus microcarpus var. microcarpus Arnold Tiehm 1984-6-30 8833 Modoc N edge of Lake Annie on W side of Bidwell Mt., NE of Ft. Bidwell. 1530 Comment
  CAS-BOT-BC181837  Lupinus microcarpus var. microcarpus Bruce Bartholomew; Barrett Anderson 1989-6-3 4891 Modoc ca. 5 km E of the SE corner of Clear Lake Reservoir. 1450 Comment
  CAS-BOT-BC181846  Lupinus microcarpus var. microcarpus Edward Kent Balls 1950-5-18 14763 Modoc By Lower Rush Creek Public Camp. 1310 Comment
  CAS-BOT-BC181850  Lupinus microcarpus var. microcarpus R. M. Austin Modoc 2 mi. W of Adin Summit, W of Alturas near US Highway 299. Comment
  CAS-BOT-BC181824  Lupinus pusillus var. intermontanus R. M. Austin 1884-6-1 Modoc Shores of Goose Lake. Comment
  CAS-BOT-BC181812  Lupinus saxosus K. Paulson; Robert Paulson 1990-6-6 203 Modoc North of Stough Reservoir, Warner Mountains. 1676 Comment
  CAS-BOT-BC181817  Lupinus saxosus Bruce Bartholomew; Barrett Anderson 1989-4-28 4645 Modoc 8.8 km N of State Highway 299 on road to Raker & Thomas Reservoir. 1470 Comment
  CAS-BOT-BC181821  Lupinus saxosus Alice Eastwood; John Thomas Howell 1940-6-11 8018 Modoc 7 mi. SW of Canby. Comment
  UC71812  Lupinus saxosus Mrs. M. H. Manning 1903-4 52 Modoc near Fort Bidwell; near Fort Bidwell Comment
  SD116268  Lupinus saxosus David B. Dunn, Paul Gallian 1971-6-2 17782 Modoc 9.0 miles southwest of Canby on California Highway 299. 1463 Comment
  POM10921  Lupinus sellulus subsp. sellulus M. S. Baker 128 Modoc [No location information provided.] Comment
  UC1024337  Luzula parviflora Annie M. Alexander and Louise Kellogg 1946-7-19 5034 Modoc Benton Meadow Warner Mountains, Benton Meadow 2072 Comment
  JEPS91368  Lycopus asper Dean Wm. Taylor with Glenn L. Clifton 1989-8-6 10491 Modoc Warner Mountains, Suprise Valley, warm spring on west shore Lower Lake 1363 Comment
  SD64370  Lycopus lucidus D. F. Howe 1966-8-26 4304 Modoc 1.3 Mi N of Modoc-Lassen Copunty Line, east of Warner Mts. 1341 Comment
  JEPS5984  Madia Frances D. Payne 1931-6-21 227 Modoc ridge w Dry Creek (northern tributary of Parker Creek); Warner Mountains 1981 Comment
  POM204104  Madia citriodora J. T. Howell 1934-6-11 11923 Modoc Parker Creek, Warner Mts. 1585 Comment
  CAS-BOT-BC49434  Madia exigua David Daniels Keck; Jens Chr. Clausen 1935-6-24 3718 Modoc 9 mi. S. of New Pine Creek & 0.5 mi N of Buck's Ranger Station. 1524 Comment
  CAS-BOT-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
  CDA13462  Madia glomerata G. F. Hrusa, T. D. Wilfred 1996-7-21 13309 Modoc Modoc Plateau; Modoc Co. Rd. 90 bridge over Pit River. E base of Splawn Mtn. N end of Big Valley. Comment
  UC748091  Madia glomerata Annie M. Alexander and Louise Kellogg 1946-7-7 4930 Modoc Eight Mile Creek Eight Mile Creek (ne corner of county) 1752 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
  UC217310  Madia glomerata H. M. Hall 1921-9-9 11668 Modoc along Klamath Falls-Alturas road (n Modoc County) Comment
  UC71798  Madia glomerata Mrs. M. H. Manning August 1904 252 Modoc meadows near, ne Modoc County Fort Bidwell Comment
  CAS-BOT-BC49424  Madia gracilis Bruce Bartholomew; Barrett Anderson 1990-7-20 5465 Modoc 4 km N of Buck Creek Ranger Station at turn off to Del Prat Spring, W side of Warner Mts. 1900 Comment
  UC748166  Madia gracilis Annie M. Alexander and Louise Kellogg 1946-7-10 4956 Modoc Eight Mile Creek Eight Mile Creek (ne corner of county) 1752 Comment
  NY500373  Mahonia repens B. M. Bartholomew 1988-5-13 4175 Modoc 0.6 km north of Jess Valley on West Warner Road, west side of the Warner Mountains. Northern Jeffrey pine forest. 1620 Comment
  POM228992  Mahonia repens L. C. Wheeler 1935-8-14 3838 Modoc Pine Creek. Warner Mtns. 2011 Comment
  RSA101499  Mahonia repens R. Weatherby 1955-7-7 1605 Modoc 8 mi. north of Ft. Bidwell, Warner Mts. 1951 Comment
  CAS-BOT-BC242028  Maianthemum racemosum John Thomas Howell 1934-6-11 11954 Modoc Parker Creek. 1584 Comment
  CAS-BOT-BC242030  Maianthemum racemosum E. S. Willits 1940-5-6 219 Modoc Near Lassen Creek, Willow Ranch. Comment
  HSC81153  Maianthemum stellatum G. M. Riegel 1979-7-1 4541 Modoc 1670 Comment
  CAS-BOT-BC179098  Malva neglecta Mrs. H. C. Cantelow 1940-6-1 4012 Modoc E slope Cedar Pass. Comment
  CAS-BOT-BC95625  Marah fabacea Bruce Bartholomew 1992-5-14 6274 Modoc SW side of White Horse Mountains, SW of White Horse Flat Reservoir. 1400 Comment
  CAS-BOT-BC95626  Marah fabacea Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-12 6527 Modoc SW facing slope between Whitehorse Reservoir and Little Hot Spring Valley. 1270 Comment
  UCD169464  Marsilea oligospora Louis C. Wheeler 1935-9-18 3993 Modoc Everly Reservoir, Devil's Garden. 1524 Comment
  POM204119  Marsilea vestita J. T. Howell 1934-6-15 12194 Modoc Dorris Reservoir, 2 miles east of Alturas Comment
  UC1536820  Marsilea vestita subsp. vestita Gordon H. True Jr. 1939-6-6 1035 Modoc near Lookout (Gooch Swamp) Comment
  HSC14990  Medicago lupulina M. T. Milligan 1966-6-14 460 Modoc N end of Jess Valley 1616 Comment
  UC1024673  Melica fugax Leo Whitney 1935-5-18 3082 Modoc ca 15 mi nw Canby (Hackamore); Modoc National Forest, Hackamore 1463 Comment
  UC1024868  Melica fugax Leo Whitney 1935-5-31 3158 Modoc White Horse Comment
  UC70657  Melica fugax Mrs. M. H. Manning May 1904 424 Modoc ne Modoc County Comment
  POM299024  Melica stricta Marion Ownbey, Fred G. Meyer 1940-7-1 2152 Modoc Cedar Peak, Warner Mountains. Comment
  UCD88622  Melica subulata August L. Hormay 1932-7-17 s.n. Modoc Lily Lake. Comment
  UCD88671  Melica subulata R. Tofsrud 1947-7-1 251 Modoc 5 mi. W of Ft. Bidwell. Comment
  UC71806  Melilotus albus Mrs. M. H. Manning 1903-7 308 Modoc near Fort Bidwell (ne Modoc Co.) Comment
  CAS-BOT-BC384661  Melilotus officinalis Andrew Townesmith; Karen M. Meyer 2007-9-15 928 Modoc Modoc National Forest, Warner Mountain Ranger District. Along state route 299, 10.9 miles west of junction with US route 395. At Cedar Pass 1928 Comment
  CAS-BOT-BC179860  Mentha arvensis Bruce Bartholomew 1990-8-3 5601 Modoc Ash Creek Wildlife Refuge, ca. 2.5 km S of County Road 87 and 7 km W of Adin. 1250 Comment
  CHSC115531  Mentha arvensis Lowell Ahart; John Dittes 2015-7-16 20359 Modoc North edge of Ash Creek (destroyed), southeast of the gravel pit (destoryed), 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 Beiber, Big Valley. 1267 Comment
  POM126662  Mentha canadensis Franklin P. Nutting s.n. Modoc Forestdale Comment
  POM70715  Mentha canadensis Mrs. R. M. Austin 1895-08 s.n. Modoc Goose Lake Valley Comment
  UC70386  Mentha canadensis Milo S. Baker July 1898 539 Modoc Forestdale Comment
  CAS-BOT-BC179151  Mentzelia albicaulis Annie Montague Alexander; L. Kellogg 1946-6-12 4736 Modoc Fandango Pass. 1676 Comment
  HSC15844  Mentzelia albicaulis M. T. Milligan 1965-7-1 404 Modoc Plateau W of Jess Valley. 1829 Comment
  CAS-BOT-BC179138  Mentzelia dispersa Bruce Bartholomew 1991-7-4 5923 Modoc Vicinity of Pine Spring between Miller Gulch and Twin Lakes. 1420 Comment
  UC748259  Mentzelia dispersa Annie M. Alexander and Louise Kellogg 1946-7-7 4946 Modoc Eight Mile Creek Eight Mile Creek (ne corner of county) 1752 Comment
  RSA69712  Mentzelia dispersa F. W. Peirson 1926-6-26 6899 Modoc Roadside, Alturas to Canby. Comment
  UC108411  Mentzelia dispersa Mrs. R. M. Austin 1874-1 Modoc Davis Creek Comment
  UC1121668  Mentzelia montana M. H. Mitchell 1936-5-21 47 Modoc 2 mi SE Hospital Rock; Modoc Lava Beds Natl. Mon., Dorris Quadrangle 1249 Comment
  CAS-BOT-BC179118  Mentzelia montana Mrs. H. C. Cantelow 1940-6-2 3996 Modoc W of Alturas, road to Lava Beds. Comment
  CAS-BOT-BC179120  Mentzelia montana Alice Eastwood; John Thomas Howell 1940-6-14 8254 Modoc Between Mammoth Cave and Lava Bed National Monument. Comment
  RSA165653  Mentzelia montana Clare B. Hardham 1961-5-20 7866 Modoc Warner Mountains, Pine Creek. 1524 Comment
  CAS-BOT-BC191145  Menyanthes trifoliata Francis Dorris Payne 1929-7-26 121 Modoc Pine Creek Basin. 2133 Comment
  CAS-BOT-BC54042  Mertensia ciliata Bruce Bartholomew 1991-6-21 5802 Modoc Vicinity of Lily Lake, N end of the Warner Mountains. 2030 Comment
  UCR165707  Mertensia cusickii David A. Charlet 1989-8-16 542 Modoc Warner Mountains. 11 km NW of Eagle Peak, Rock Spring 2015 Comment
  UC190688  Mertensia longiflora M. F. Gilman 1940-3-22 583 Modoc near Fort Bidwell 1524 Comment
  NY1084275  Mertensia oblongifolia B. M. Bartholomew 1992-5-15 6301 Modoc Tamarack Flat, east side of the Warner Mountains 2160 Comment
  CAS-BOT-BC54024  Mertensia oblongifolia var. oblongifolia Margaret J. Williams 1984-6-29 84- 71 -1 Modoc Lily Lake. 2072 Comment
  CAS-BOT-BC49351  Microseris nutans Bruce Bartholomew 1993-6-14 6667 Modoc Russell Canyon, just S of the Oregon border and NW of Clear Lake Reservoir. 1400 Comment
  CHSC117041  Microseris nutans Lowell Ahart; John Dittes 2016-6-6 20958 Modoc About 100 yards east of the Parking Area, about one mile south of the intersection of County Road 87 and Access Road to Pilot Butte Parking Area, 3.8 miles (air) east of Lookout, 7.5 miles (air) west of Adin, Ash Creek State Wildlife Area. 1271 Comment
  JEPS126544  Microseris nutans Lowell Ahart, John Dittes 2016-6-6 20958 Modoc About 100 yards east of the Parking Area, about one mile south of the intersection of County Road 87 and Access Road to Pilot Butte Parking Area, 3.8 miles (air) east Lookout, 7.5 miles (air) west of Adin, Ash Creek State Wildlife Area. Comment
  CAS-BOT-BC49353  Microseris nutans John H. Hatton 1911-6-10 10 Modoc Modoc County. Comment
  CAS-BOT-BC197900  Microsteris gracilis Bruce Bartholomew 1992-5-16 6339 Modoc Burned area along County Road 91, ca. 2.5 km S of turn off to Happy Camp Ranger Station. 1390 Comment
  HSC17120  Microsteris gracilis M. T. Milligan 1965-6-23 293 Modoc N end Jess Valley 1616 Comment
  HSC17125  Microsteris gracilis M. T. Milligan 1964-6-20 57 Modoc 2 mi. N on Pencil Rd. from Hwy. 395 1372 Comment
  RSA185361B  Mimulus breweri Clare B. Hardham 1961-6-17 7514 Modoc Cedar Pass Camp Ground, Warner Mountains. Comment
  UC125255  Mimulus breweri Mrs. R. M. Austin Sept. 1894 Modoc Cedarville Canyon Comment
  RSA185423  Mimulus douglasii Clare B. Hardham 1961-6-17 7514 Modoc Cedar Pass Camp Ground. Comment
  HSC20733  Mimulus guttatus M. T. Milligan 1964-6-25 90 Modoc Upper Lassen Creek 1829 Comment
  JEPS127151  Mimulus guttatus Lowell Ahart, John Dittes 2016-7-16 21238 Modoc South of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.75 miles (air) west of Adin, Big Valley. Comment
  RSA550577  Mimulus guttatus Bruce Bartholomew, B. Anderson 1989-6-3 4848 Modoc Cedar Pass; Warner Mountains. 1920 Comment
  RSA550581  Mimulus layneae Bruce Bartholomew 1991-7-6 5995 Modoc Webb Flat, 5.6 km S of turn off to Happy Camp Ranger Station. 1400 Comment
  JEPS27950  Mimulus lewisii Frances D. Payne 1929-7-26 134 Modoc w Warren Peak (w slope of mountains); Warner Mountains, Pine Creek Basin 2133 Comment
  UC446466  Mimulus lewisii M. F. Gilman 526 Modoc Warner Mts. 1981 Comment
  CAS-BOT-BC234453  Mimulus nanus Bruce Bartholomew 1991-6-20 5787 Modoc Top of Fox Mountain, ca. 10 airline km NW of Adin. 1900 Comment
  UCSB48316  Mimulus nanus var. nanus Hardham, Clare 1961-6-19 Modoc Willow Creek 1676 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
  JEPS79124 Image available Mimulus pulsiferae L. R. Heckard with Rimo Bacigalupi 1980-6-10 5228 Modoc Southwest margin of Egg Lake Comment
  UC1037256  Mimulus pulsiferae Leo Whitney 1935-6-9 3203 Modoc White Horse Comment
  RSA535784  Mimulus 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 miles W of railroad crossing. 1330 Comment
  UCD122845  Mimulus 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. 1300 Comment
  RSA59722  Mimulus suksdorfii E. K. Balls 1950-5-18 14754 Modoc N of Upper Rush Creek Public Camp; 2.5 mi. east from Hwy. 299 1738 Comment
  CHSC111985  Mimulus tilingii B. Castro; L. P. Janeway 2008-8-17 1748 Modoc Warner Mountains. North slope of Bald Mountain; mid-slope not far above last row of trees. 2316 Comment
  CAS-BOT-BC95210  Minuartia douglasii Bruce Bartholomew 1993-6-12 6585 Modoc Road to Day Rock from Little Hot Spring Valley. 1250 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
  UC7697  Mollugo verticillata W. H. Brewer 1862-8 1338 Modoc Eagle Creek Canyon Comment
  CHSC67817  Monardella odoratissima James D. Jokerst 1990-8-2 3208 Modoc Summit of East Sand Butte just E of Lava Beds National Monument. 1423 Comment
  RSA583125  Monardella odoratissima Louis C. Wheeler 1935-8-14 3841 Modoc Pine Creek. Warner Mtns. 2012 Comment
  CAS-BOT-BC179367  Monardella odoratissima subsp. glauca Elmer Ivan Applegate 1932-8-6 8217 Modoc Near Summit of Yellow Mountain, near Lily Lake, Bidwell Pass. Comment
  CAS-BOT-BC179372  Monardella odoratissima subsp. glauca Bruce Bartholomew 1989-7-14 4965 Modoc Survice Gulch ca. 3 km NE of Egg Lake. 1340 Comment
  RSA0036438  Monardella odoratissima subsp. glauca B. Castro, L. P. Janeway 2012-7-24 1947 Modoc Warner Mountains. Along Forest Road/County Road 2 (the road from New Pine Creek to Fort Bidwell) 0.6 air mi west of Lily Lake and 0.9 air mi northwest of Yellow Mountain. 1948 Comment
  UC1561071  Monardella odoratissima subsp. glauca Dean Wm. Taylor with Glenn L. Clifton 1989-8-5 10462 Modoc Eagle Peak Warner Mountains 2880 Comment
  HSC93615  Monardella odoratissima subsp. odoratissima James D. Jokerst 1990-8-2 3208 Modoc Summit of E Sand Butte just E of Lava Beds National Monument 1424 Comment
  CAS-BOT-BC179362  Monardella odoratissima subsp. pallida Leland S. Smith 1924-6-8 1387 Modoc Lavas W of Lava Ranger Station and Egg Lake. 1310 Comment
  CAS-BOT-BC95549  Monolepis nuttalliana Bruce Bartholomew 1991-6-23 5877 Modoc 2.6 km NE of Crowder Flat Road on road between Ingall Swamp and Dorris Brothers Reservoir. 1520 Comment
  SD61020  Monolepis nuttalliana Darley F. Howe 1964-7-31 3903 Modoc 10.2 miles from entrance to Modoc National Forest on road east of Likely, Warner Mountains. 1830 Comment
  CAS-BOT-BC197476  Montia chamissoi Bruce Bartholomew 1991-8-5 6040 Modoc Squaw Peak Trail on N side of Squaw Peak, E side of Warner Mts. 2420 Comment
  CAS-BOT-BC197509  Montia fontana Alice Eastwood; John Thomas Howell 1940-6-13 8194 Modoc W side of Cedar Pass. Comment
  NY497765  Montia fontana B. M. Bartholomew 1989-6-2 4845 Modoc Vicinity of Stough Reservoir, Warner Mountains 1950 Comment
  CAS-BOT-BC197504  Montia linearis Bruce Bartholomew; M; M. Gilbert; L. E. Skog 1993-5-12 6525 Modoc W side of Whitehorse Reservoir. 1360 Comment
  CAS-BOT-BC197505  Montia linearis Roxana Stinchfield Ferris; L. Lorraine 1941-8-14 10601 Modoc 8.5 mi. from Patterson Ranger Station on Eagleville road, Warner Mts. Comment
  UC173239  Montia linearis Mrs. R. M. Austin 1894-5-1 Modoc Goose Lake Valley Comment
  CAS-BOT-BC197503  Montia linearis Mrs. H. C. Cantelow 1940-6-2 4199 Modoc NW of Canby. Road to Lava Beds. Comment
  UCD32735  Muhlenbergia asperifolia Beecher Crampton 1954-7-8 2187 Modoc Modoc County, 1.5 miles west of Alturas, extension of 4th Street. Comment
  CAS-BOT-BC247566  Muhlenbergia filiformis Bruce Bartholomew 1992-8-9 6394 Modoc Upper region of Owl Creek drainage, below cliffs, E of Summit Trail, E side of Warner Mountains. 2500 Comment
  UCD86891  Muhlenbergia richardsonis A. A. Beetle 1941-6-29 2836 Modoc Near summit of Mt. Adin. 1828 Comment
  OBI48062  Myosurus apetalus var. borealis Rhonda Riggins 1989-4-28 1671 Modoc 6.9 mi N of hwy 395 E of Alturas on rd to Raker and Thomas Reservoir (continuation of Pencil Rd) 1524 Comment
  CHSC85413  Myosurus minimus John Dittes 1991-6-1 375 A 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
  SJSU9632  Myosurus minimus W. Savage 1979-7-7 1451 Modoc Triangle, W side Fairchild Swamp Unit, Modoc National Forest 1493 Comment
  UC1536813  Myriophyllum sibiricum Gordon H. True Jr 1939-6-25 1010 Modoc Boles Meadow, NW of Alturas Comment
  HSC6876  Nasturtium officinale M. T. Milligan 1966-7-1 521 Modoc N end of Jess Valley. 1616 Comment
  UCD116067  Nasturtium officinale Verne Grant; Irving Schneider 1947-7-22 8154 Modoc Headwaters of North Fork of Pit River, one mile northwest of Highway 395 on dirt road leading to south end of Goose Lake. Comment
  CAS-BOT-BC198010  Navarretia breweri Bruce Bartholomew; Barrett Anderson 1989-6-3 4877 Modoc Boles Creek, ca. 5.5 km E of the SE corner of Clear Lake Reservoir. 1430 Comment
  RSA601529  Navarretia breweri L. C. Wheeler 1935-8-16 3869 Modoc Dismal Swamp, Twenty Mile Creek. Warner Mountains. Mt. Diablo Mer. 2226 Comment
  SBBG6031  Navarretia breweri H. and M. Dearing 1939-6-7 3586 Modoc near Cedar Pass, E of Alturas 1676 Comment
  SJSU9538  Navarretia breweri W. Savage 1979-7-3 1277 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  SEINET14055730  Navarretia capillaris M. J. Williams 1984-6-30 84- 81 -5 Modoc 9.6 mi from Gerlach-Cedarville road on the Parker Creek road, W side of the Warner Mtns., S of Cedar pass 1829 Comment
  JEPS86351  Navarretia intertexta Jack and Betty Guggolz 1988-6-30 965 Modoc near Old Canon Mill Road Comment
  SBBG30496  Navarretia intertexta D. Myrick 1968-6-20 1979 a Modoc Airport Rd, 7 mi N of Alturas 1524 Comment
  UCR163909  Navarretia intertexta subsp. propinqua Jim Andre 1993-6-30 1406 Modoc Modoc Plateau, about 10 miles NW of Canby on Hwy 139, near NW end of Oak Ridge 1494 Comment
  POM98593  Navarretia intertexta subsp. propinqua F. W. Peirson 1926-6-25 6868 Modoc Cedarville Road, Warner Mountains. Comment
  CHSC34343  Navarretia leucocephala subsp. minima K. R. Stern; D. B. Joley, J. G. Geschke 1974-6-23 5845 Modoc Vernal pool on e side of railroad tracks, on n side of Whitehorse-Lookout Road. Comment
  CHSC67120  Navarretia leucocephala subsp. minima James D. Jokerst 1987-5-13 2864 Modoc Radar Survey Site S of Doublehead Mtn., S of Clear Lake Reservoir, S end of northern sector. 1371 Comment
  SEINET200248  Navarretia propinqua Herbert L. Mason 1946-7-13 13449 Modoc West end of Fandango Pass near Goose Lake on road to Fort Bidwell. Comment
  RSA0049636  Nemacladus capillaris Dean Wm. Taylor 2012-6-19 21244 Modoc Mouth of Baggett Gulch (ca 3 air miles S of Canby), Modoc National Forest 1463 Comment
  CAS-BOT-BC179299  Nemophila parviflora var. austiniae Bruce Bartholomew 1991-5-23 5689 Modoc 0.5 km E of Day on County Rd. 94. 1050 Comment
  POM248997  Nemophila parviflora var. austiniae Lincoln Constance 1938-6-12 2333 Modoc Edge of Thombs Creek at foot of Bonner Grade, Cedar Pass Road, 13.4 miles NE of Alturas, western foothills of the Warner Range 1524 Comment
  CAS-BOT-BC179291  Nemophila pedunculata Bruce Bartholomew; M; M. Gilbert; L. E. Skog 1993-5-11 6494 Modoc Junction of Crowder Flat Road and the road to the N side of Big Sage Reservoir. 1580 Comment
  UC1021925  Nemophila pedunculata Rolf Y. Berg 1955-6-22 Modoc w Cedarville (Cedar Pass Campground); Modoc National Forest, w of Cedarville Comment
  SJSU9558  Neoholmgrenia andina W. Savage 1979-7-3 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  HSC26499  Nestotus stenophyllus J. P. Smith, J. O. Sawyer 1972-5-6 5273 Modoc Along Hwy. 299, 4 mi. W of Modoc County Rd. 58, E of Alturas 1494 Comment
  UC1523753  Nestotus stenophyllus Gary Schoolcraft 1981-5-6 379 Modoc Northeast of Alturas 1536 Comment
  SEINET10742872  Nicotiana acuminata var. multiflora Andrew Townesmith, Karen M. Meyer 2007-9-15 Townesmith 934 Modoc Modoc National Forest, Warner Mountain Ranger District. Cedar Creek Upper Trailhead, 0.6 miles off state route 299 on Forest Service road 195. T43N R15E S33. 1948 Comment
  CDA41133  Nicotiana attenuata T. C. Fuller 1958-7-9 s.n. Modoc Highway 299, Modoc National Forest, 10 miles east of Adin. 0 Comment
  CHSC101018  Nothocalais troximoides John Dittes 2008-5-21 1520 Modoc Modoc Plateau; Big Valley; ca. 1.7 air miles south of Lookout, ca. 1.1 air miles west of County Road 91; floodplain terrace of Pit River. 1259 Comment
  CAS-BOT-BC191143  Nuphar lutea subsp. polysepala Elmer Ivan Applegate 1929-7-29 6092 Modoc Pond at N end of Clear Lake. Comment
  CAS-BOT-BC191144  Nuphar lutea subsp. polysepala Bruce Bartholomew; Barrett Anderson 1988-6-24 4330 Modoc Lily Lake, W side of the Warner Mts.. 2130 Comment
  CAS-BOT-BC190808  Oenothera elata subsp. hirsutissima Mrs. M. H. Manning 1904-7-1 209 Modoc Fort Bidwell. Comment
  UC726198  Oenothera flava subsp. flava A. A. Heller 1941-6-26 16210 Modoc along US Hwy 299 five mi w Alturas Comment
  CAS-BOT-BC245091  Olsynium douglasii var. douglasii Bruce Bartholomew; M; M. Gilbert; L. E. Skog 1993-5-10 6430 Modoc 5 km NE of Davis Creek on road to Plum Valley Campground. 1700 Comment
  CAS-BOT-BC245094  Olsynium douglasii var. douglasii R. L. Ward 1976-5-18 s.n. Modoc unspecified 1508 Comment
  JEPS64297  Olsynium douglasii var. douglasii L. S. Smith 1918-5-18 927 Modoc Cedarville road e Alturas 1676 Comment
  UC1178895  Olsynium douglasii var. douglasii Herbert L. Mason 1949-4-16 13993 Modoc mesa e Alturas Comment
  CHSC99948  Onopordum acanthium Lowell Ahart; John Dittes 2008-8-25 15275 Modoc On the west bank (flood plane) of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout. 1273 Comment
  RSA128638  Onopordum acanthium T. C. Fuller 1959-7-8 2795 Modoc S/4th St., E/East St., Alturas Comment
  CDA7559  Onopordum acanthium T. C. Fuller 1958-7-9 900 -58 Modoc South of 4th Street, east of East Street, Alturas. 0 Comment
  UCD134668  Onopordum acanthium T. C. Fuller 1959-7-8 A Modoc south side of 4th street, east of East Street, Alturas. Comment
  CAS-BOT-BC499806  Orobanche corymbosa subsp. corymbosa Clare B. Hardham 1974-8-4 20180 Modoc Headwaters of Dismal and 12 Mile creeks, Warner Mountains 2133 Comment
  CHSC67570  Orobanche fasciculata James D. Jokerst 1983-5-31 1811 Modoc Near Hwy. 395 S of Alturas at the base of the upper ramparts of the butte just S of Signal Butte. 1341 Comment
  CAS-BOT-BC190786  Orobanche uniflora Bruce Bartholomew; Barrett Anderson 1989-6-1 4721 Modoc Shake Spring, NW side of Shaffer Mountain. 1500 Comment
  UC100822  Orobanche uniflora subsp. occidentalis Milo S. Baker 1890-1 87 Modoc Forestdale. Comment
  SEINET6031268  Orobanche uniflora var. occidentalis M. J. Williams 1968-6-1 1154 Modoc Cedar Pass [Warner Mts.} Comment
  CHSC109451  Orthilia secunda B. Castro; L. P. Janeway 2012-7-24 1945 Modoc Warner Mountains. Along Forest Road/County Road 2 (the road from New Pine Creek to Fort Bidwell) 0.9 air mi east of Lily Lake and 1.1 air mi southwet of Dismal Swamp. 2250 Comment
  CAS-BOT-BC248312  Orthocarpus cuspidatus B. Bartholomew; H. Sun 2002-6-24 8852 Modoc E of Bald Mt., on the E side of the Warner Mountains 2130 Comment
  CAS-BOT-BC232316  Orthocarpus cuspidatus subsp. copelandii Annie Montague Alexander; L. Kellogg 1946-7-2 5036 Modoc Patterson Mill Road. 2209 Comment
  CHSC97925  Orthocarpus cuspidatus subsp. cryptanthus G. D. Barbe 1991-8-27 4442 Modoc Modoc National Forest. On windswept ridge east of Bald Mountain. Warner Mountains. 2316 Comment
  HSC80741  Orthocarpus cuspidatus subsp. cryptanthus G. M. Riegel 1980-6-30 781 Modoc S Warner Mtns. 1739 Comment
  JEPS86677  Orthocarpus cuspidatus subsp. cryptanthus L. R. Heckard and T. I. Chuang 1990-7-14 6758 Modoc ca 2 mi n Cedar Pass (along Old Common Mill Rd, 0.7 mi e of Soldier Creek Rd); n of Cedar Pass 2075 Comment
  UC444910  Orthocarpus cuspidatus subsp. cryptanthus Mrs. M. H. Manning 1907-1 712 Modoc e side Mt. Bidwell (12 Mile Creek, ne Modoc Co.); e side of Mt. Bidwell, 12 Mile Creek Comment
  JEPS9434  Orthocarpus cuspidatus subsp. cryptanthus Mary H. Manning 1907-1 712 a Modoc e side Mt. Bidwell (on Twelve-mile Creek); Mt. Bidwell (e side), on Twelve-mile Creek Comment
  POM44249A  Orthocarpus hispidus R. M. Austin 1895-07 537 Modoc Goose Lake Valley. Comment
  CHSC85409  Osmorhiza chilensis John Dittes; Josephine Guardino 1991-8-24 463 Modoc Modoc Plateau; Warner Mountains; west slope, ca. 8.2 air-miles east of Goose Lake, ca. 2.3 air-miles south of Dismal Swamp, ca. 1.6 air-mile west of Bidwell Mtn.; tributary of Bidwell Creek west of Highgrade Road. 2087 Comment
  NY1101666  Osmorhiza chilensis B. M. Bartholomew 1988-6-23 4284 Modoc Widow Valley, 18.0 km west of Day on County Road 94. 1230 Comment
  CAS-BOT-BC50309  Packera cana Roxana Stinchfield Ferris; L. Lorraine 1941-8-14 10612 Modoc Summit of Fandango Pass, on road between Fort Bidwell and Pine Creek, Warner Mountains, Modoc National Forest 1889 Comment
  UC585149  Packera cana E. B. Babcock, G. L. Stebbins Jr. 1936-6-9 1829 Modoc about 3 mi w Cedarville (in the Warner Mountains, Cedar Creek Canyon); Warner Mountains, Cedar Creek Canyon Comment
  SEINET11744641 Image available Packera eurycephala M. J. Williams 1984-6-30 84- 83 -1 Modoc 16.3 mi on Parker Creek road, paved road to Cedar Pass road 1.5 mi 1524 Comment
  CAS-BOT-BC50271  Packera eurycephala var. eurycephala Helen Katherine Sharsmith 1955-6-25 4507 Modoc N slope of Jess Valley. 1584 Comment
  CAS-BOT-BC50313  Packera eurycephala var. eurycephala Alice Eastwood; John Thomas Howell 1940-6-12 8050 Modoc Between Likely and Jess Valley. Comment
  CAS-BOT-BC50318  Packera eurycephala var. eurycephala Roxana Stinchfield Ferris; R. Duthie 1919-6-14 56 Modoc Above Parker Creek. Comment
  CAS-BOT-BC50322  Packera eurycephala var. eurycephala R. M. Austin; C. C. (Mrs.) Bruce 1898-6-1 2185 Modoc Likely. Comment
  UC35986  Packera eurycephala var. eurycephala Mrs. R. M. Austin Aug 1894 Modoc Goose Lake Valley Comment
  CHSC70718  Packera pseudaurea var. pseudaurea A. Sanger 1997-6-11 2567 Modoc Tri-tip meadow to the west of road where it runs north to south, at old beaver dam site. 1511 Comment
  RSA281693  Paeonia brownii S. O. Mattoon 1979-7-13 95 Modoc Patterson Meadows at Patterson G. S., S. Warner Mountains 22 air miles east of Highway 395 at Likely 2195 Comment
  RSA520367  Paeonia brownii Bruce Bartholomew, B. Anderson 1989-4-29 4686 Modoc Surprise Valley Road, just S of the Oregon border, extreme NE corner of Modoc County. 1630 Comment
  UCR67456  Panicum capillare George K. Helmkamp 1990-9-23 I- 24 Modoc Warner Mtns, Goose Lake, within 0.1 mi of the Oregon border 1476 Comment
  CDA32584  Panicum capillare var. occidentale T. C. Fuller 1962-8-3 9492 Modoc Hwy 139 to Tulelake, 0.25 mile northwest of Stronghold 0 Comment
  CAS-BOT-BC225851  Parnassia fimbriata Bruce Bartholomew 1994-8-21 6866 Modoc Squaw Peak Trail, E side of the Warner Mountains. 2240 Comment
  CAS-BOT-BC497307  Parnassia fimbriata B. Bartholomew 1990-8-4 5651 Modoc Side tributary in upper reaches of Owl Creek drainage, E side of Warner Mts. 2500 Comment
  CAS-BOT-BC247556  Pascopyrum smithii James D. Jokerst 1983-7-27 1901 Modoc Near Signal Butte. 1340 Comment
  CAS-BOT-BC95497  Paxistima myrsinites Bruce Bartholomew 1995-7-30 7042 Modoc 3.9 km E of Day on County Road 94 just beyond the ridge crest. 1390 Comment
  CAS-BOT-BC232308  Pedicularis attollens K. Paulson; Robert Paulson 1990-7-21 213 Modoc Patterson Meadow, Warner Mts. Comment
  RSA401926  Pedicularis attollens George Willet 1935-6-26 s.n. Modoc Jess Valley, Warner Mountains. 2439 Comment
  CHSC12158  Pedicularis densiflora J. Grove 1973-4-28 85 Modoc Collected at Whiley Ranch, 10 mi. nw of Day. 1005 Comment
  CAS-BOT-BC248370  Pedicularis groenlandica B. Bartholomew; H. Sun 2002-6-24 8860 Modoc Lassen Creek, SE of Harris Flat, W side of the Warner Mountains 1890 Comment
  UC748186  Pedicularis groenlandica Annie M. Alexander and Louise Kellogg 1946-6-28 4854 Modoc Pine Creek Canyon, n end of Warner Mountains Pine Creek Canyon; Warner Mountains 2240 Comment
  UC748174  Pedicularis semibarbata Annie M. Alexander and Louise Kellogg 1946-7-17 5006 Modoc Benton Meadow; Warner Mountains 2072 Comment
  UC103244  Pedicularis semibarbata Mrs. R. M. Austin 1894-1 147 Modoc Lassen Creek Comment
  RSA0026210  Penstemon John F. Emmel 1997-6-9 1498 Modoc Along County Road 6 (road from Ft. Bidwell to Fee Reservoir), 5.7 road miles east of junction County Road 1 at east edge of Ft. Bidwell. 1524 Comment
  JEPS11490  Penstemon cinicola W. L. Jepson 1918-8-7 7883 Modoc Mt. Bidwell 2468 Comment
  UC27427  Penstemon cinicola M. S. Baker and Frank Nutting 1894-1 Modoc Egg Lake Comment
  POM128328  Penstemon davidsonii subsp. davidsonii M. French Gilman s.n. Modoc [No location information provided.] Comment
  CAS-BOT-BC232342  Penstemon davidsonii var. davidsonii Elmer Ivan Applegate 1932-8-3 8120 Modoc High arid summit of Warner Mts. just N of Eagle Peak. Comment
  CAS-BOT-BC265300  Penstemon davidsonii var. davidsonii John Thomas Howell 1934-6-14 12122 Modoc Near Lost Lake, Warner Mountains 2438 Comment
  CAS-BOT-BC232347  Penstemon davidsonii var. davidsonii Elmer Ivan Applegate 1932-7-7 7519 Modoc Dry rocky eastern slope of Crane Mountain, Warner Mountains Comment
  UC1586980  Penstemon deustus Juha Pykala and D. H. Norris 1987-5-27 1037 Modoc between Lower Rush Creek Campground and Upper Rush Creek Campground; Modoc National Forest 1493 Comment
  CAS-BOT-BC232336  Penstemon deustus var. pedicellatus John Thomas Howell 1934-6-11 11919 Modoc Parker Creek, Warner Mountains 1584 Comment
  NY591800  Penstemon deustus var. pedicellatus R. M. Austin 07 1898 2363 Modoc Ross Canyon Comment
  NY600735  Penstemon gracilentus B. M. Bartholomew 1988-7-21 4472 Modoc Vicinity of Patterson Campground, southern end of the Warner Mountains Comment
  SEINET4854504  Penstemon janishiae Unknown 1978-6-8 8883 Modoc Crowder Flat Rd., 0.5 km (0.3 mi) from junction with California Highway 395 (Alturas). 1340 Comment
  SEINET11053001  Penstemon laetus subsp. roezlii Margaret J. Williams, A. Tiehm; J. Nachlinger 1988-6-2 88- 28 -7 Modoc Jess Valley, E of Likely, S of roadside rest Comment
  SJSU7659  Penstemon laetus var. sagittatus R. L. Fisher 1958-6-13 Modoc near Adin Pass c. 6 mi S of Canby 1524 Comment
  CAS-BOT-BC232511  Penstemon roezlii Margaret J. Williams 1988-5-30 88- 26 -7 Modoc Jess Valley, E of Likely, S of roadside rest. 1524 Comment
  CAS-BOT-BC232519  Penstemon roezlii Bruce Bartholomew; Barrett Anderson 1988-6-23 4246 Modoc 4.2 km NW of Day. 1020 Comment
  CAS-BOT-BC232522  Penstemon roezlii Annie Montague Alexander; L. Kellogg 1946-6-12 4740 Modoc Fandango Pass road. 1706 Comment
  NY650099  Penstemon roezlii J. L. Reveal 1971-6-22 2459 Modoc Along U.S. Highway 395 at Davis Creek 1453.9 Comment
  NY650112  Penstemon roezlii F. W. Pennell 1940-6-7 25278 Modoc Route 299, 4 miles northeast of Adin 1341.1 Comment
  NY650135  Penstemon roezlii C. L. Hitchcock 1940-5-28 6719 Modoc 15 miles north of Alturas (near Surprise) 1402.1 Comment
  POM260364  Penstemon roezlii C. Leo Hitchcock 1940-5-28 6719 Modoc 15 miles north of Alturas, (near Surprise). 1402 Comment
  SFV17481  Penstemon roezlii P. Wilson 1998-7-20 3539 Modoc About 1 mile north of Cedar Pass off Highway 299. 1900 Comment
  UC887106  Penstemon roezlii C. L. Hitchcock 1940-5-27 6651 Modoc 9 mi ne Alturas; ne of Alturas 1402 Comment
  NY650113  Penstemon roezlii F. W. Pennell 1940-6-7 25734 Modoc Upper valley of Rush Creek, northeast of Adin 1585.0 Comment
  UC190613  Penstemon roezlii M. F. Gilman 672 Modoc Warner Mts. 1828 Comment
  UCD124163  Penstemon roezlii Jack Major 1966-6-24 s.n. Modoc Above Goose Lake, west side of Fandango Pass. 1645 Comment
  HSC20995  Penstemon rydbergii var. oreocharis M. T. Milligan 1965-6-26 314 Modoc N end Jess Valley. 1616 Comment
  JEPS11467  Penstemon rydbergii var. oreocharis L. S. Smith 1920-7-13 1182 Modoc Crowder Flat Ranger Station Comment
  POM44139  Penstemon rydbergii var. oreocharis R. M. Austin 1895-07 520 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
  CAS-BOT-BC245543  Penstemon speciosus C. L. Hitchcock 1940-5-27 6666 Modoc 15 mi. NE of Alturas. 1615 Comment
  CAS-BOT-BC245544  Penstemon speciosus C. C. (Mrs.) Bruce 1893-7-1 81 Modoc Davis Creek. Comment
  CAS-BOT-BC245545  Penstemon speciosus M. M. Hanna 1956-6-3 941 Modoc Cedar Pass. Comment
  SBBG26833  Penstemon speciosus C. L. Hitchcock 1940-5-27 6666 Modoc 15 mi NE of Alturas 1615 Comment
  SEINET11138449  Penstemon speciosus N. H. Holmgren, Patricia K. Holmgren 1978-1 8879 Modoc U.S. Highway 395, 9.5 km (5.9 miles) north of Davis Creek 1490 Comment
  UC27442  Penstemon speciosus Mrs. R. M. Austin and Bruce July 1898 2359 Modoc Lake shore Comment
  JEPS86112  Penstemon speciosus Wayne Roderick 1966-7-23 Modoc on w side of Cedar Pass Warner Mtns, on w side of Cedar Pass 1524 Comment
  JEPS45605  Peraphyllum ramosissimum L. S. Smith Jul 1920 1199 Modoc w of 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
  HSC3886  Peritoma platycarpa M. T. Milligan 1964-6-20 65 Modoc 4 mi. N on Pencil Rd. from Hwy. 395 1372 Comment
  JEPS124358  Persicaria maculosa Lowell Ahart, John Dittes 2015-7-16 20375 Modoc Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. Comment
  HSC17557  Persicaria punctata M. T. Milligan 1964-8-21 231 Modoc S end of Dorris Reservoir Dam 1372 Comment
  UCD120740  Phacelia A. A. Beetle 1944-8-15 3030 Modoc N. of Lookout, wooded slopes above Happy Camp Ranger Station. Comment
  CAS-BOT-BC179277  Phacelia glandulifera Bruce Bartholomew 1993-6-13 6624 Modoc Near Fortynine Creek, E of Cedarville on E side of Surprise Valley. 1400 Comment
  UC748111  Phacelia hastata Annie M. Alexander and Louise Kellogg 1946-6-30 4870 Modoc Highgrade north end of Warner Mountains (w side of ridge) 2377 Comment
  CAS-BOT-BC179272  Phacelia hastata subsp. compacta Elmer Ivan Applegate 1932-8-3 8119 Modoc High summit of Warner Mts. N of Eagle Peak. Comment
  CAS-BOT-BC179257  Phacelia hastata subsp. hastata Milo Samuel Baker; Franklin P. Nutting 1894-6-5 s.n. Modoc Big Valley Mts. Comment
  JEPS4037  Phacelia heterophylla subsp. virgata Frances D. Payne 1931-7-5 324 Modoc about 3 mi n Parker Creek (s and e of Alturas); Warner Mountains, Fern Spring 1828 Comment
  SJSU11215  Phacelia heterophylla subsp. virgata R. L. Fisher 1958-6-13 Modoc near Adin Pass on Canby-Adin Rd c. 6 mi S of Canby 1524 Comment
  UC1051772  Phacelia heterophylla subsp. virgata L. R. Heckard 1952-6-19 311 Modoc slopes above Cedarville Pass (ne of Alturas on road to Cedarville); Warner Mountains 2011 Comment
  JEPS2124  Phacelia humilis L. S. Smith 1918-7-11 984 Modoc Mill Creek Meadows Modoc <National> Forest 2087 Comment
  UC24374  Phacelia humilis L. A. M. Black 1894-7-1 Modoc Comment
  CAS-BOT-BC248337  Phacelia humilis var. humilis B. Bartholomew; H. Sun 2002-6-24 8811 Modoc Ridge top just S of Manzanita Mt. and 15.3 straight line km NW of Aden 2070 Comment
  CHSC67114  Phacelia inundata James D. Jokerst 1987-5-13 2859 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
  JEPS91086  Phacelia inundata Dean Wm. Taylor, Glenn L. Clifton, Rexford E. Palmer 1987-8-9 9271 Modoc Dry Lake 1341 Comment
  CAS-BOT-BC179947  Phacelia linearis Annie Montague Alexander; L. Kellogg 1946-6-18 4798 Modoc Patterson Mill-Silver Creek Rd. 1828 Comment
  CHSC31502  Phacelia linearis NEH Prouty 1980-6-7 182 Modoc Modoc Nat. Forest, Warner Mt. District. Along north side of Deep Creek Road. SW of Cedarville. Comment
  RSA531358  Phacelia linearis Bruce Bartholomew, B. Anderson 1989-6-1 4736 Modoc Ca. 0.5 km S of State Hwy 299 on road to Shaker Spring. 1420 Comment
  CAS-BOT-BC179942  Phacelia mutabilis Alice Eastwood; John Thomas Howell 1940-6-12 8042 Modoc Between Likely and Jess Valley. Comment
  CAS-BOT-BC179936  Phacelia ramosissima var. ramosissima Francis Marion Ownbey; Frederick Gustav Meyer 1940-7-1 2156 Modoc Cedar Peak. Comment
  CAS-BOT-BC179908  Phacelia thermalis Milo Samuel Baker 1899-8-18 Modoc Hot Spring Valley. Comment
  CAS-BOT-BC179916  Phacelia thermalis Alice Eastwood; John Thomas Howell 1940-6-12 8098 Modoc Midway between Likely and Alturas. Comment
  UC1586865  Phacelia thermalis Juha Pykala and D. H. Norris 1987-5-27 1133 Modoc Crowder Flat Rd about 7 road mi from Hwy 299; Modoc National Forest 1540 Comment
  RSA502344  Phacelia thermalis D. W. Taylor, R. A. Price 1988-6-4 9761 Modoc Tule Lake Basin; Dobie Flat, ca. 2.6 miles south 10 degrees east of Casuse Mountain. 1280 Comment
  JEPS120114  Phalaris arundinacea Lowell Ahart, John Dittes 2012-7-10 18320 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
  JEPS121231  Phalaris arundinacea Lowell Ahart, John Dittes 2013-7-24 18925 Modoc On the N side of the levee road, N side of Ash Creek Floodplain, 0.54 air miles SE of Pilot Butte parking area, 1.1 air miles S of County Road 87, 6.8 air miles W of Adin, Big Valley. Comment
  UC1037187  Phalaris arundinacea Leo Whitney 1935-7-2 3565 Modoc Alturas Comment
  UCD89310  Phleum alpinum August L. Hormay 1932-7-17 s.n. Modoc Lily Lake. Comment
  CDA2316  Phleum pratense T. C. Fuller 1958-7-8 2015 Modoc Davis Creek. 0 Comment
  UC1024972  Phleum pratense Leo Whitney 1935-7-6 3433 Modoc near Lookout; Pit River Comment
  UCR29795  Phlox J. A. Harpel 1981-8-7 V- 57 Modoc Warner Mtns, South Warner Wilderness Area: on the pass above Patterson Lake along the Summit trail, 7 mi NW of Eagleville 2774 Comment
  UC880380  Phlox caespitosa Lewis S. Rose 1940-6-14 40579 Modoc 5 mi w Perez; Mammoth Cave 1280 Comment
  CAS-BOT-BC197944  Phlox diffusa C. L. Hitchcock 1940-5-28 6730 Modoc Near Surprise, 15 mi. N of Alturas. Comment
  CAS-BOT-BC197945  Phlox diffusa Annie Montague Alexander; L. Kellogg 1946-6-27 4845 Modoc Highgrade, top of ridge, 2 mi. by road from Dismal Swamp. 2377 Comment
  CAS-BOT-BC197949  Phlox diffusa Alice Eastwood; John Thomas Howell 1940-6-13 8149 Modoc Fandango Pass. Comment
  POM129406  Phlox diffusa subsp. subcarinata M. French Gilman 590 Modoc Modoc Co. Mts. 1677 Comment
  CAS-BOT-BC197926  Phlox douglasii subsp. rigida Roxana Stinchfield Ferris; R. Duthie 1919-6-14 117 Modoc Near Parker Creek. 1981 Comment
  CAS-BOT-BC197941  Phlox douglasii subsp. rigida Leland S. Smith 1922-5-28 1240 Modoc Happy Camp Mt. 1889 Comment
  SEINET7073582  Phlox gracilis A. G. Vestal 1955-5-18 s.n. Modoc About 3.2 miles east of Aden on Route 87. UTM Zone 10, 666674mE, 4563618mN. Coordinate datum: NAD27. Comment
  CAS-BOT-BC197889  Phlox hoodii subsp. canescens Bruce Bartholomew; Barrett Anderson 1989-4-30 4713 Modoc 0.8 km S of Centerville Rd. (Co. road 54) on road to Ralston Gulch (Co. road 77). 1400 Comment
  HSC26501  Phlox hoodii subsp. canescens J. P. Smith, J. O. Sawyer 1972-5-6 5253 Modoc County Rd. 86, just E of Adin. 1098 Comment
  CAS-BOT-BC197881  Phlox speciosa F. Angwin 1946-5-3 s.n. Modoc Big Valley. 1280 Comment
  POM65102  Phlox speciosa subsp. occidentalis M. S. Baker 1893-1 s.n. Modoc Craig's Comment
  CAS-BOT-BC197868  Phlox stansburyi John H. Hatton 1911-6-10 26 Modoc Modoc County. 1524 Comment
  JEPS70004  Phlox stansburyi Frances D. Payne 1932-6-8 420 Modoc 3 mi n Alturas (on road to Cedarville) Comment
  RSA60327  Phlox stansburyi E. K. Balls 1950-5-10 15958 Modoc Highway 395, 8.5 miles northeast of Alturas 1524 Comment
  JEPS127579  Phlox stansburyi var. brevifolia L. P. Janeway 2016-5-18 12052 Modoc Modoc Plateau. Between Goose Lake and the Devils Garden area; upland along southwest side of Goose Lake about 2.1 air-km southwest of north end of Road 48 causeway across the lake. McGinty Point 7.5' Quad. Comment
  CAS-BOT-BC58304  Phoenicaulis cheiranthoides Annie Montague Alexander; L. Kellogg 1946-6-26 4834 Modoc Dismal Swamp, N end of Warner Mts. 2255 Comment
  CAS-BOT-BC58310  Phoenicaulis cheiranthoides K. Paulson; Robert Paulson 1989-4-16 98 Modoc Crowder Flat Road, Devil's Garden Comment
  CAS-BOT-BC58580  Phoenicaulis cheiranthoides E. S. Willits 1940-4-16 185 Modoc Foothills above Willow Ranch, Highway 295. Comment
  CHSC31509  Phoenicaulis cheiranthoides N. E. H. Prouty 1980-6-19 188 Modoc Modoc Nat. Forest. 2133 Comment
  NY182049  Phoenicaulis cheiranthoides B. M. Bartholomew 1988-5-13 4152 Modoc Along Parker Creek Road, .5 km W of West Warner Road on Parker Creek Road, W side of the Warner Mountains. 1650 Comment
  UC1093649  Phoenicaulis cheiranthoides Herbert L. Mason 1957-7-6 14720 Modoc Mill Creek; Warner Mountains, Mill Creek Comment
  UC673294  Phoenicaulis cheiranthoides Mrs. B. A. Crabtree 1926-4-12 Modoc Davis Creek Comment
  CAS-BOT-BC478167  Pinus albicaulis John Thomas Howell 1934-6-14 12109 Modoc Near Lost Lake, Warner Mountains 2438 Comment
  JEPS46792  Pinus albicaulis W. L. Jepson 1918-8-7 7904 Modoc Mt. Bidwell 2468 Comment
  UC71579  Pinus contorta subsp. murrayana Mrs. M. H. Manning 1902-10-26 31 Modoc Warner Mt. ne Modoc County, Warner Mt. 1828 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-BC73023  Pinus monticola Marion Ownbey; Fred G. Meyer 1940-7-1 2153 Modoc Near summit of Clear Peak, Warner Mts. Comment
  UCD162394  Pinus monticola Chuck Hughes 2015-9-12 439 Modoc Near the Larry Flat Campground, Modoc National Forest. 1864 Comment
  UC711837  Pinus ponderosa Roxana S. Ferris and Laura Lorraine 1941-8-13 10546 Modoc Patterson Ranger Station Warner Mountains, Modoc National Forest ((East Creek drainage)) 2164 Comment
  CAS-BOT-BC21499  Pinus washoensis Bruce Bartholomew 1994-7-2 6822 Modoc Hillside just N of jcn. of Forest Service rds. 45N34 and 46N30. 2300 Comment
  CDA602  Pinus washoensis T. C. Fuller 1971-7-14 19904 Modoc Warner Mountains; Patterson Guard Station, southern Warner Mtns. 0 Comment
  UC117020  Piperia unalascensis Mrs. R. M. Austin Aug 1894 129 Modoc Lassen Creek Comment
  CAS-BOT-BC242223  Piperia unalascensis Leland S. Smith 1922-7-20 1302 Modoc Field redacted by CAS, contact the data manager for more information 1905 Comment
  SJSU9617  Plagiobothrys bracteatus W. Savage 1979-7-6 1425 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  UC1037244  Plagiobothrys cognatus Leo Whitney 1934-5-24 1629 Modoc 15 mi nw Canby (Hackamore, shore of Lake Joaquina); Modoc National Forest, Lake Joaquina, Hackamore 1463 Comment
  CHSC117137  Plagiobothrys hispidulus Lowell Ahart; John Dittes 2016-7-14 21160 Modoc Around the sides of a new pond, south of Ash Creek Canal (now filled in), south of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. 1273 Comment
  CAS-BOT-BC58791  Plagiobothrys leptocladus G. Schoolcraft 1984-6-24 1260 Modoc E of Middle Alkali Lake. 1356 Comment
  CAS-BOT-BC58793  Plagiobothrys leptocladus Alice Eastwood; John Thomas Howell 1940-6-13 8165 Modoc Surprise Valley, 6 mi. S of Fort Bidwell. Comment
  UC1037243  Plagiobothrys mollis Leo Whitney 1934-5-24 1628 Modoc ca 15 mi nw Canby (Lake Joaquina, Hackamore); Modoc National Forest, Lake Joaquina, Hackamore 1463 Comment
  UC1191836  Plagiobothrys mollis Herbert L. Mason, Verne Grant 1947-7-10 13333 Modoc 2 mi e Alturas; Dorris Reservoir Comment
  UC24565  Plagiobothrys mollis Milo S. Baker 1893-6-25 Modoc shore Egg Lake; Shore Egg Lake Comment
  POM204140  Plagiobothrys mollis J. T. Howell 1934-6-15 12197 Modoc Alturas. Comment
  CAS-BOT-BC58800  Plagiobothrys mollis var. mollis K. Paulson; Robert Paulson 1989-7-2 157 Modoc Vicinity of Craig Spring, ca. 2 mi. NE of Happy Camp. 1447 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-BC58749  Plagiobothrys scouleri Louis Cutter Wheeler 1935-8-16 3865 Modoc Dismal Swamp, Modoc National Forest 2225 Comment
  POM312570  Plagiobothrys scouleri var. cusickii H. L. Mason, Verne Grant 1947-7-12 13415 Modoc Near south end of West Side Rd. along railroad tracks, Pit River Valley, south of Alturas Comment
  SD130520  Plagiobothrys stipitatus var. micranthus B. Bartholomew, B. Anderson 1988-6-23 4250 Modoc 4.2 km northwest of Day. 1020 Comment
  SEINET3084128 Image available Plagiobothrys stipitatus var. micranthus A. Tiehm, Jan Nachlinger, Gary Schoolcraft 1984-6-24 8798 Modoc Surprise Valley, east side of Middle Alkali Lake, east of Cedarville 1356 Comment
  UC1191859  Plagiobothrys stipitatus var. micranthus Malcolm A. Nobs and S. Galen Smith 1949-6-16 790 Modoc 33 mi nnw Alturas; Dry Valley Reservoir Comment
  UCR37817  Platanthera dilatata var. leucostachys O. Ballantyne 1983-7-18 s.n. Modoc Warner Mtn., Tributary of North Fork of East Creek 1585 Comment
  CAS-BOT-BC242212  Platanthera dilatata var. leucostachys Barrett Anderson 1986-7-10 3200 Modoc Field redacted by CAS, contact the data manager for more information 1935 Comment
  CAS-BOT-BC242217  Platanthera dilatata var. leucostachys R. M. Austin 1895-7-1 488 Modoc Field redacted by CAS, contact the data manager for more information Comment
  CAS-BOT-BC242221  Platanthera dilatata var. leucostachys Bruce Bartholomew 1989-7-14 4973 Modoc Field redacted by CAS, contact the data manager for more information 1480 Comment
  UC1024327  Platanthera stricta Annie M. Alexander and Louise Kellogg 1946-6-28 4858 Modoc above Lily Lake (Pine Creek Canyon); n end Warner Mountains, Pine Creek Canyon 2103 Comment
  CAS-BOT-BC245398  Plectritis macrocera Bruce Bartholomew; Barrett Anderson 1989-4-29 4665 Modoc W side of Upper Alkali Lake, 7 km S of Fort Bidwell, Surprise Valley. 1370 Comment
  CAS-BOT-BC245400  Plectritis macrocera Edward Kent Balls 1950-5-10 14605 Modoc Menlo Baths, W shore Lower Lake. 1447 Comment
  CHSC85117  Plectritis macrocera John Dittes; Josephine Guardino 1991-7-21 418 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
  RSA296258  Plectritis macrocera subsp. grayi R. M. Austin 1895-05 415 Modoc Goose Lake. Comment
  RSA433740  Plectritis macrocera subsp. grayi Christopher Davidson 1975-6-4 2597 Modoc 0.4 miles E of Hwy 395 on Hwy 299 toward Cedarville. 1380 Comment
  UC711850  Pleiacanthus spinosus Roxana S. Ferris and Laura Lorraine 1941-8-14 10617 Modoc on road between Fort Bidwell and Pine Creek (Summit of Fandango Pass); Modoc National Forest, Warner Mountains, Summit of Fandango 1889 Comment
  POM319516  Poa Patricia Wilder 1971-6-20 5080 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
  UC710915  Poa C. L. Hitchcock 1940-5-27 6732 Modoc 12 mi ne Alturas 1615 Comment
  UC1024979  Poa X fibrata Leo Whitney 1935-7-6 3419 Modoc Crank Springs Comment
  CAS-BOT-BC247576  Poa X limosa Dean William Taylor; R. Palmer; William B. Davilla 1987-6-23 9047 Modoc Crank Springs. 1432 Comment
  UC1025051  Poa annua Leo Whitney 1935-8-3 3594 Modoc Buck Creek Comment
  HSC80830  Poa bulbosa G. M. Riegel 1980-6-30 788 Modoc S Warner Mtns. 2100 Comment
  CAS-BOT-BC247618  Poa pratensis subsp. pratensis Bruce Bartholomew 1992-5-15 6289 Modoc Vicinity of Leonard Hot Spring, E side of Surprise Valley. 1370 Comment
  CAS-BOT-BC247620  Poa pratensis subsp. pratensis Robert Patterson; Mona Bourell 1993-8-15 5274 Modoc Warner Mountains. Along trail from Patterson Lake to ca. 2 mi north towards Pepperdine Trailhead. 2743 Comment
  UCD32706  Poa secunda Beecher Crampton 1954-7-7 2132 Modoc W side of Cedar Pass. Comment
  JEPS45879  Poa secunda subsp. juncifolia L. S. Smith July 1920 1167 Modoc Crower Flat Comment
  UC1024920  Poa secunda subsp. juncifolia Leo Whitney 1935-6-29 3360 a Modoc Alturas Comment
  UCD32737  Poa secunda subsp. juncifolia Beecher Crampton 1954-7-8 2190 Modoc 3 miles W of Alturas, along US Hwy 299. Comment
  UCD92386  Poa secunda subsp. juncifolia Herbert L. Mason; Malcolm A. Nobs, S. Galen Smith 1949-5-29 765 Modoc 2 miles E of Adin. Comment
  UCD92430  Poa secunda subsp. juncifolia L. D. Whitney 1935-6-28 s.n. Modoc Near Adin. Comment
  UCD92435  Poa secunda subsp. juncifolia L. Whitney 1935-7-23 s.n. Modoc Near Happy Camp. Comment
  UC1132566  Poa secunda subsp. juncifolia Leo Whitney 1935-7-15 Modoc near Bull's Eye Lake Comment
  CAS-BOT-BC247606  Poa secunda subsp. secunda John Thomas Howell 1934-7-1 12344 Modoc Duncan Horse Camp. 1355 Comment
  CAS-BOT-BC247659  Poa secunda subsp. secunda Isabel T. Kelly 1930-1-1 60 Modoc Modoc County. 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-BC247664  Poa secunda subsp. secunda C. L. Hitchcock 1940-5-28 6725 Modoc 15 mi. N of Alturas. 1402 Comment
  CAS-BOT-BC247665  Poa secunda subsp. secunda Bruce Bartholomew; Mona Bourell 1990-4-26 5165 Modoc Vicinity of Ostrom Point, N side of Pit River, 3.2 km E of W end of Stone Coal Rd. 1280 Comment
  CAS-BOT-BC247669  Poa secunda subsp. secunda Gordon H. True 1964-6-3 1455 Modoc N Fork Pit River, between Alturas and Goose Lake. 1463 Comment
  CAS-BOT-BC247673  Poa secunda subsp. secunda Bruce Bartholomew; Barrett Anderson 1989-6-2 4791 Modoc Long Canyon, 12 km NE of Fort Bidwell on the road to the Oregon border. 1550 Comment
  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
  CAS-BOT-BC247675  Poa secunda subsp. secunda Gordon H. True 1964-6-3 1453 Modoc N Fork Pit River between Alturas and Goose Lake. 1463 Comment
  CAS-BOT-BC247654  Poa wheeleri Bruce Bartholomew 1990-6-16 5271 Modoc Rock outcrops between roadhead and Pine Creek Basin, W side of Warner Mountains. 2160 Comment
  CAS-BOT-BC247655  Poa wheeleri Bruce Bartholomew 1990-8-4 5644 Modoc Top of pass on Summit Trail, ca. 0.5 km SE of Patterson Lake, E side of Warner Mts. 2800 Comment
  SD149136  Pogogyne floribunda B. Bartholomew 1991-7-5 5932 Modoc Cow Head Tank, ca. 6.0 km northwest of Dorris Brothers Reservoir. 1520 Comment
  UC1191805  Pogogyne floribunda Herbert L. Mason 1947-8-9 13474 Modoc east side of Fairchild Swamp north of Alturas. Comment
  CAS-BOT-BC95165  Polanisia dodecandra subsp. trachysperma Leland S. Smith 1918-9-29 1057 Modoc Granger Canyon, Suprise Valley. 1676 Comment
  CAS-BOT-BC95167  Polanisia dodecandra subsp. trachysperma P. Monnet 1913-7-7 876 Modoc Warner's Range. 1524 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
  NY963446  Polemonium micranthum B. M. Bartholomew 1993-5-10 6474 Modoc 1.9 km northeast of Fee Reservoir Road on Barrel Spirng Road, north end of Surprise Valley 1670 Comment
  UC71716  Polemonium micranthum Mrs. M. H. Manning 1903-4-12 69 Modoc near Fort Bidwell (north-eastern Modoc County); near Fort Bidwell Comment
  CDA40274  Polemonium micranthum T. C. Fuller 1961-5-17 6956 Modoc Highway 395, 1 mile east of Alturas. 0 Comment
  JEPS69904  Polemonium micranthum Fred P. Cronemiller 1920-8-10 20 Modoc Mill Creek Meadows Modoc National Forest, Mill Creek Meadow 2087 Comment
  RSA11867  Polemonium pulcherrimum Elmer I. Applegate 1932-8-3 8118 Modoc Arid crest of Warner Mountains, north of Eagle Peak Comment
  SEINET4335513 Image available Polemonium pulcherrimum Annie M. Alexander, Louise Kellogg 1946-8-1 5106 Modoc Eagle Peak, Warner Mountains Comment
  HSC6718  Polyctenium fremontii M. T. Milligan 1964-4-25 Modoc 7 mi. W on Centerville Rd. from Alturas Comment
  RSA59804  Polyctenium fremontii E. K. Balls 1950-5-17 14728 Modoc South shore, Clear Lake Bird Refuge 1381 Comment
  SEINET4936529 Image available Polygonum austinae Unknown 1885-1 s.n. Modoc Goose Lake Valley [Modoc County, on the northern border of the State] Comment
  JEPS121226  Polygonum aviculare Lowell Ahart, John Dittes 2013-7-24 18915 Modoc N side of Ash Creek Floodplain, 0.54 air miles SE of Pilot Butte parking area, 1.1 air miles S of County Road 87, 6.8 air miles W of Adin, Big Valley. Comment
  JEPS79754  Polygonum aviculare Louis C. Wheeler 1935-8-26 3922 Modoc 1 mi nw Mud Lake; Devil's Garden 1524 Comment
  UCD100000  Polygonum aviculare subsp. depressum Verne Grant; Irving Schneider 1947-7-18 8043 Modoc Eastside canal, 5 miles north of Bayley's bridge, south of Alturas. Comment
  RSA0034565  Polygonum convolvulus Louis C. Wheeler 1935-8-6 3799 Modoc Mouth Pine Creek, Warner Mountains. 1509 Comment
  CAS-BOT-BC218136  Polygonum douglasii John Thomas Howell 1934-6-30 12276 Modoc Duncan Horse Camp. 1355 Comment
  CAS-BOT-BC218142  Polygonum douglasii John Thomas Howell 1934-6-12 12002 Modoc Davis Creek. Comment
  POM203796  Polygonum douglasii J. T. Howell 1934-6-12 12002 Modoc Davis Creek 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
  SEINET11929437  Polygonum kelloggii Unknown 1940-1 40494 Modoc Comment
  UC1101142  Polygonum lapathifolium Herbert L. Mason 1947-8-8 13466 Modoc nw Alturas (sw margin of reservoir); Big Sage Reservoir Comment
  JEPS98241  Polygonum polygaloides subsp. confertiflorum R. E. Preston 2000-7-18 1412 Modoc 14 mi NW of Canby (on N side of Hwy 139; ca 0.9 mi e of FSR 44N11) 1466 Comment
  POM260895  Polygonum polygaloides subsp. confertiflorum Alice Eastwood, John T. Howell 1940-6-14 8210 Modoc 8 miles NW of Canby Comment
  RSA638217  Polygonum polygaloides subsp. confertiflorum Louis C. Wheeler 1973-8-22 s.n. Modoc Devils Garden: Ca. 1/4 mile southwest of Big Sage Reservoir. Comment
  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
  UCD77937  Polygonum polygaloides subsp. confertiflorum Robert E. Preston 2000-7-18 1411 Modoc Ca. 14 mi nw of Canby, on n side of Hwy 139, 0.5 mi w of Forest Service Rd 44N11. 1467 Comment
  RSA602681  Polygonum polygaloides subsp. esotericum Louis C. Wheeler 1935-8-16 3867 Modoc Warner Mountains: Dismal Swamp, Twenty Mile Creek. 2226 Comment
  OBI48886  Polygonum polygaloides subsp. kelloggii Lewis S. Rose 1940-6-14 40494 Modoc 8 mi NW of Canby 1524 Comment
  JEPS19798  Polygonum polygaloides subsp. kelloggii Rimo Bacigalupi with S. Galen Smith 1957-8-27 5983 -A Modoc along State Hwy 139 about 9 mi nw Canby 1584 Comment
  UCD77950  Polygonum polygaloides subsp. kelloggii Robert E. Preston 2000-6-1 1359 Modoc Modoc Plateau, along Hwy 139, ca. 3 mi e of Forest Service Road 44N11. 1490 Comment
  CAS-BOT-BC218147  Polygonum spergulariiforme Mrs. Annie F. Rodda 1932-7-1 s.n. Modoc Near Bieber, Modoc County. Comment
  POM313141  Polypogon interruptus Malcolm A. Nobs, S. Galen Smith 1949-7-20 1052 Modoc 4 miles west of Adin. 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
  NY177829  Populus tremuloides L. C. Wheeler 1935-9-30 4017 Modoc Back Tuttle Place Devil's Garden 1524.0 Comment
  UC1134800  Populus tremuloides R. C. Wilson 1933-6-16 65 Modoc Rush Creek; Modoc National Forest, Alturas Quad., Rush Creek Comment
  RSA233768  Populus trichocarpa Robert F. Thorne, C. W. Tilforth 1969-9-5 39159 Modoc Wet mud at margin of Clear Lake. Warner Mountains, Modoc National Forest. 1768 Comment
  CAS-BOT-BC95150  Porterella carnosula Bruce Bartholomew 1995-6-23 7001 Modoc 3.4 km from Goose Lake on road to Meteorite Tank. 1600 Comment
  UC1025093  Porterella carnosula Leo Whitney 1934-5-5 1691 Modoc ca 15 mi nw Canby (near Hackamore, Modoc National Forest); Modoc National Forest 1463 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
  UC1191467  Portulaca oleracea Verne Grant, Irving Schneider 1947-8-27 8315 Modoc sw end of Clear Lake Clear Lake Comment
  CAS-BOT-BC242250  Potamogeton epihydrus Verne Grant; I. Schneider 1947-7-21 8127 Modoc North Fork of Pit River by bridge on Hwy 395, N of Alturas. Comment
  CAS-BOT-BC242246  Potamogeton foliosus Milo Samuel Baker 1899-8-24 s.n. Modoc Carmichaels Mill, Big Valley. Comment
  UC157923  Potamogeton foliosus Milo S. Baker 1899-8-24 Modoc Carmichaels Mill Big Valley Comment
  UC441324  Potamogeton foliosus Milo S. Baker 1899-8-24 Modoc Carmichaels Mill Big Valley Comment
  CAS-BOT-BC242237  Potamogeton gramineus Milo Samuel Baker 1899-8-18 s.n. Modoc Egg Lake Comment
  POM208869  Potamogeton gramineus Milo S. Baker 1899-8-18 s.n. Modoc Little Hot Spring Valley Comment
  CAS-BOT-BC242232  Potamogeton natans Milo Samuel Baker 1899-8-12 s.n. Modoc Egg Lake. Comment
  POM208542  Potamogeton natans Milo S. Baker 1899-8-12 s.n. Modoc Egg Lake Comment
  CAS-BOT-BC242229  Potamogeton nodosus Milo Samuel Baker 1899-8-24 s.n. Modoc Pit River at Lookout. Comment
  UC1099835  Potamogeton pectinatus Herbert L. Mason 1947-8-16 13564 Modoc Stronghold, Northern Modoc County Stronghold Comment
  CAS-BOT-BC242270  Potamogeton richardsonii Robert Folger Thorne; C. W. Tilforth 1969-9-5 39179 Modoc South Fork of Pit River at bridge 3.8 mi. E of Likely. 1386 Comment
  RSA252494  Potamogeton richardsonii Robert F. Thorne, C. W. Tilforth 1969-9-5 39179 Modoc In rapidly flowing South Fork of Pit River at bridge 3.8 miles east of Likely. 1387 Comment
  UC1099850  Potamogeton striatus Herbert L. Mason 1947-8-15 13540 Modoc e. side Goose Lake (mouth of Crane Creek on Willow Ranch) Comment
  UC1100091  Potamogeton zosteriformis Herbert L. Mason, Verne Grant 1947-7-12 13384 Modoc several mi s of Alturas (by Jone's Lane, off Hwy 395) Comment
  CAS-BOT-BC214743  Potentilla breweri Leland S. Smith 1924-6-9 1389 Modoc Flat along edge of Lavas, Egg Lake. Comment
  CAS-BOT-BC214744  Potentilla breweri K. Paulson; Robert Paulson 1988-6-29 64 Modoc Benton Meadow, Warner Mts.. 1676 Comment
  CAS-BOT-BC214745  Potentilla breweri Annie Montague Alexander; L. Kellogg 1946-8-3 5108 Modoc Head of Eagle Creek, Warner Mts. Comment
  RSA11804  Potentilla breweri var. breweri Elmer I. Applegate 1932-8-1 8025 Modoc Warner Mtns, near summit S of Warner Peak. Comment
  RSA612793  Potentilla bruceae Louis C. Wheeler 1935-8-1 3734 -B Modoc Dismal Swamp, Twenty Mile Creek, Warner Mountains. 2226 Comment
  UC545667  Potentilla drummondii subsp. bruceae Louis C. Wheeler 1935-8-1 3734 B Modoc Dismal Swamp, Twenty-Mile Creek Warner Mts, Dismal Swamp, Twenty-Mile Creek 2225 Comment
  UC748060  Potentilla drummondii subsp. bruceae Annie M. Alexander and Louise Kellogg 1946-6-30 4872 Modoc Highgrade, w side of ridge n end of Warner Mountains 2377 Comment
  UC639573  Potentilla fruticosa Frances D. Payne 1931-6-22 300 Modoc s slope Owl Creek Owl Creek; Warner Mountains, s slope Owl Creek 2133 Comment
  SJSU9639  Potentilla gracilis W. Savage 1979-7-6 1394 Modoc Triangle, Antelope Plains Unit,Devils Garden District, Modoc National Forest 1493 Comment
  UC545660  Potentilla gracilis John Thomas Howell 1934-7-1 12306 Modoc Duncan Horse Camp Comment
  CHSC70769  Potentilla gracilis var. fastigiata A. Sanger 1997-6-11 2512 Modoc Meadow on the east side of road 44N69. Warner Mountain Ranger District. 1981 Comment
  HSC80693  Potentilla gracilis var. fastigiata G. M. Riegel 1979-8-13 661 Modoc S Warner Mtns. 1670 Comment
  UC903242  Potentilla gracilis var. fastigiata Frances Payne 1931-6-17 182 Modoc Parker Creek Warner Mountains, Parker Creek 1584 Comment
  UC12547  Potentilla gracilis var. fastigiata Milo S. Baker 1893-6-30 Modoc Comment
  POM312886  Potentilla gracilis var. flabelliformis Verne Grant 1947-7-19 8073 Modoc Williams Ranch; along Southern Pacific right-of-way near East Canal, in Pit Valley south of Alturas. Comment
  JEPS44440  Potentilla millefolia M. S. Baker and Frank Nutting 1894-6-8 Modoc Low flats Lava beds Forestdale (Forestdale) Comment
  CAS-BOT-BC143310  Potentilla newberryi L. D. Whitney 1935-7-29 3595 Modoc Near west end of Clear Lake Comment
  CAS-BOT-BC214800  Potentilla newberryi John Thomas Howell 1934-7-2 12359 Modoc E side of Clear Lake. Comment
  JEPS47223  Potentilla newberryi L. D. Whitney 1935-7-29 3595 Modoc near w end Clear Lake; near w end of Clear Lake Comment
  UC545665  Potentilla newberryi John Thomas Howell 1934-7-2 12359 Modoc e side Clear Lake; e side of Clear Lake Comment
  UC1037235  Potentilla rivalis Leo Whitney 1934-5-20 3041 Modoc bank of Lost River near Clear Lake; bank of Lost River near Clear Lake 1463 Comment
  NY833594  Potentilla rivalis var. millegrana H. L. Mason 1947-8-9 13476 Modoc East side of Fairchild Swamp, north of Alturas Comment
  CAS-BOT-BC225020  Poteridium annuum Mrs. H. C. Cantelow 1940-6-1 3466 Modoc 32.7 mi. N of Alturas, Hwy 395. Comment
  RSA488044  Prunus andersonii Bruce Bartholomew, B. Anderson 1988-5-13 4140 Modoc N side of Dorris Reservoir, ca. 4 km E of Alturas along Parker Creek Road. 1340 Comment
  RSA520438  Prunus emarginata Bruce Bartholomew 1990-4-28 5206 Modoc 6.3 km SE of Rush Creek on road to Hunters Ridge. 1670 Comment
  JEPS114666  Prunus subcordata Lowell Ahart, John Dittes 2008-8-25 15325 Modoc Open pasture field, on the west side of East Gouger Neck Road, east of the Pit River, 2.1 miles by road from County Road 91, 5.6 miles (air) northeast of Lookout 1293 Comment
  CAS-BOT-BC225018  Prunus virginiana var. demissa Thomas C. Fuller 1963-7-16 11008 Modoc S side of Fandango Pass Rd. just E of road to Willow Ranch, W base of Warner Mts. Comment
  HSC80703  Prunus virginiana var. demissa G. M. Riegel 1980-7-1 799 Modoc South Warner Mountains 1670 Comment
  JEPS44920  Prunus virginiana var. demissa L. S. Smith 1919-6-2 1113 Modoc Deep Creek Railroad Station; Warner Mountains, Deep Creek Railroad Station 1524 Comment
  RSA520372  Prunus virginiana var. demissa Bruce Bartholomew, B. Anderson 1989-6-1 4733 Modoc Shake Spring. NW side of Shaffer Mtn. 1500 Comment
  UC73069  Prunus virginiana var. demissa Milo S. Baker 1890-1 Modoc near Hayden's Hill (Big Valley); Big Valley Comment
  RSA149070  Prunus virginiana var. melanocarpa I. L. Wiggins, Dorothy B. Wiggins 1961-6-12 16400 Modoc Roadside above Thoms Creek. 6.1 miles E of California State Highway 299. Along Cedar Pass Rd. Comment
  UCD91503  Pseudoroegneria spicata Beecher Crampton; Carl Rimbey 1954-7-7 2148 Modoc Modoc County, 3 miles west of Cedarville, east side of Cedar Pass, Warner Mountains. Comment
  RSA180205  Pseudoroegneria spicata subsp. spicata Clare B. Hardham 1961-6-19 7861 Modoc Pine Creek 1585 Comment
  UC1024990  Pseudoroegneria spicata subsp. spicata Leo Whitney 1935-7-7 3398 Modoc 4 mi nw of Canby (Howard Gulch); Howard Gulch Comment
  SBBG15278  Pseudostellaria jamesiana H. and M. Dearing 1939-6-8 3600 Modoc Pine Cyn, Warner Mtns 1828 Comment
  UC1037304  Pseudostellaria jamesiana Leo Whitney 1934-5-5 1607 Modoc 15 mi w Canby (Happy Camp); Modoc National Forest, Happy Camp 1463 Comment
  HSC80709  Pseudostellaria jamesiana G. M. Riegel 1980-7-8 834 Modoc S Warner Mtns. 1670 Comment
  CAS-BOT-BC50389  Psilocarphus oregonus Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-15 16512 Modoc 13 mi. W of Canby along Hwy 139 Comment
  CHSC107372  Psilocarphus tenellus var. tenellus Lowell Ahart; John Dittes 2011-6-22 17543 Modoc On the west side of the road, about 30 yards north of the Pilot Butte Parking Lot, north edge of Ash Creek Floodplain, 1.1 miles (air) south of County Road 87, 7.7 miles (air) west of Aden, 10 miles (air) east of Lookout, Big Valley. 1264 Comment
  CAS-BOT-BC95681  Pterospora andromedea Bruce Bartholomew 1989-7-14 4932 Modoc Along Rush Creek between Lower and Upper Rush Creek Campgrounds. 1580 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
  UC748233  Pterospora andromedea Annie M. Alexander and Louise Kellogg 1946-8-10 5150 Modoc 1/2 mi beyond Porter Reserve road; Warner Mountains Comment
  UCD32748  Puccinellia Beecher Crampton 1954-7-7 2157 Modoc Modoc County, 2.5 miles east of Alturas, near radio station KCNO. Comment
  UCD92334  Puccinellia A. A. Beetle 1944-8-16 3035 Modoc 3 miles west of Alturas. Border of Pitt River. Comment
  UCD32719  Puccinellia distans Beecher Crampton 1954-7-7 2156 Modoc Modoc County, 2.5 miles east of Alturas, near radio station KCNO. Comment
  UCD91885  Puccinellia lemmonii Beecher Crampton 1954-7-8 2189 Modoc Modoc County, 1.5 miles west of Altura, extension of 4th Street. Comment
  UCD93373  Puccinellia nuttalliana Beecher Crampton 1954-7-8 2196 Modoc Modoc County, 3 miles west of Alturas, along US highway 299. Comment
  CHSC65832  Purshia tridentata J. Ingraham 1995-4-16 18 Modoc 7.5 mi S. of Davis Creek, 50 yds. E of Hwy. 395. 1432 Comment
  CAS-BOT-BC218226  Purshia tridentata var. tridentata Belknap C. Goldsmith 1910-4-29 4 Modoc Alturas. 1371 Comment
  CAS-BOT-BC218241  Purshia tridentata var. tridentata John H. Hatton 1911-6-10 20 Modoc Modoc County. 1524 Comment
  JEPS58804  Pyrola dentata L. S. Smith 1917-9-18 161 a Modoc Lassen Creek, Warner Mts. 1981 Comment
  UC412674  Pyrola picta Franklin P. Nutting 1920-8-1 Modoc near Forestdale (Big Valley Mountains); Big Valley Mountains 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
  UCR198259  Pyrrocoma carthamoides var. cusickii G. D. Barbe 1991-8-27 4443 Modoc Modoc Plateau, Warner Mountins 2317 Comment
  JEPS17724  Pyrrocoma carthamoides var. cusickii Rimo Bacigalupi with G. T. Robbins 1955-7-20 5385 Modoc 5.5 mi ne Alturas (near junction of Cedar Pass road and U. S. 395) 1371 Comment
  JEPS31346  Pyrrocoma hirta var. hirta W. L. Jepson 1918-8-10 7932 Modoc Alturas 1371 Comment
  CHSC39007  Pyrrocoma hirta var. lanulosa J. D. Jokerst 1983-6-18 1859 Modoc Meadow 0.4 miles south of the Crowder Flat Station. Opening east of forest service highway. Comment
  CAS-BOT-BC50354  Pyrrocoma lanceolata var. lanceolata John Thomas Howell 1934-6-15 12185 Modoc Alturas. Comment
  SEINET4078931  Quercus kelloggii C. Davidson 1975-1 2626 Modoc 0.7 mile east of Upper Rush Creek Camp on dirt road off highway 299; roughly seven miles north of Adin. Left side of road. 1645 Comment
  HSC67928  Raillardella argentea J. P. Smith, J. O. Sawyer 1973-8-8 7234 Modoc Near summit of Eagle Peak 2988 Comment
  UC190589  Raillardella argentea M. F. Gilman 640 Modoc Comment
  CAS-BOT-BC217256  Ranunculus alismifolius Leland S. Smith 1920-6-2 1156 Modoc 12 Mile Creek. 2042 Comment
  POM275137  Ranunculus alismifolius var. hartwegii A. M. Alexander 1946-6-8 4696 Modoc Road from Eagleville to Patterson Mill. 2287 Comment
  JEPS81763  Ranunculus andersonii Mary H. Manning Modoc Comment
  CAS-BOT-BC217266  Ranunculus aquatilis var. aquatilis Bruce Bartholomew 1992-5-16 6318 Modoc Arnett Spring, N of Bayley Reservoir. 1510 Comment
  UC70362  Ranunculus aquatilis var. capillaceus Milo S. Baker 1899-8-24 Modoc Carmichael's Mill Big Valley Comment
  RSA399370  Ranunculus aquatilis var. capillaceus George Willet 1935-6-12 s.n. Modoc [Unspecified] Comment
  CHSC99772  Ranunculus aquatilis var. diffusus Lowell Ahart; John Dittes 2008-6-22 15040 Modoc In shallow water, along a natural drainage, about 150 yards north of the road levee, in Big Valley, about 2.1 miles (air) northeast of the Headquarters at Ash Creek State Wildlife Area, about 5.0 miles (air) northeast of Bieber. 1262 Comment
  HSC31048  Ranunculus aquatilis var. diffusus R. F. Thorne, C. W. Tilforth 1969-9-5 39176 Modoc S Fork of Pit River at bridge 3.8 mi. E of Likely 1387 Comment
  RSA0045634  Ranunculus aquatilis var. diffusus Lowell Ahart, John Dittes 2008-6-21 14989 Modoc North of the large culvert, east of the large levee, in Big Valley, about 2.8 miles (air) north of the Headquarters at Ash Creek State Wildlife Area,, about 5.4 miles (air) northeast of Bieber. 1255 Comment
  CDA24313  Ranunculus californicus T. C. Fuller 1963-6-11 10649 Modoc Little Meadow Campground, South Fork of the Pit River, 7.9 miles east of Likely. 0 Comment
  RSA84866  Ranunculus cymbalaria var. saximontanus F. W. Peirson 1926-6-26 6906 Modoc Alturas to Canby Comment
  UC480943  Ranunculus cymbalaria var. saximontanus Mrs. R. M. Austin July 1894 258 Modoc swamp near Goose Lake Comment
  CAS-BOT-BC217240  Ranunculus flabellaris Alice Eastwood; John Thomas Howell 1940-6-12 8080 Modoc Jess Valley. Comment
  RSA59654  Ranunculus glaberrimus var. ellipticus E. K. Balls 1950-5-12 14636 Modoc above Bucks Creek Ranger Station, Modoc National Forest; east of Goose Lake. 1768 Comment
  CAS-BOT-BC217209  Ranunculus glaberrimus var. glaberrimus Belknap C. Goldsmith 1912-4-20 43 Modoc Near Cedarville, Surprise Valley. 1341 Comment
  CAS-BOT-BC217201  Ranunculus glaberrimus var. glaberrimus Leland S. Smith 1918-3-21 915 Modoc Juniper Flats near Alturas. 1524 Comment
  CAS-BOT-BC217204  Ranunculus glaberrimus var. glaberrimus Lindsay Stuart Smith; E. H. Steffen 1917-5-21 4 Modoc West Valley Camp. 1524 Comment
  UC748221  Ranunculus occidentalis Annie M. Alexander and Louise Kellogg 1946-6-7 4672 Modoc 1/2 mi e Cedarville 1453 Comment
  UC9474  Ranunculus occidentalis Mrs. R. M. Austin and Bruce July 1898 2305 Modoc Ross canyon Comment
Read comments
May 13 2013
  POM400015  Ranunculus occidentalis var. eisenii Christopher Davidson 1973-5-24 2099 Modoc S of Alturas on Hwy 395 near Likely. 1311 Comment
  CHSC100191  Ranunculus occidentalis var. occidentalis John Dittes; Josephine Guardino 1991-7-21 423 Modoc Modoc Plateau; Big Valley; Ash Creek Wildlife Area; ca. 5.7 air-miles Northeast of Bieger, ca. 7.6 air-miles west of Adin, ca. 1.5 air-mile southeast of Pilot Butte summit at northern edge of Ash Creek Floodplain (Big Swamp) at southeast base of Pilot Butte. 1258 Comment
  SEINET195680  Ranunculus occidentalis var. ultramontanus L. Kellogg, AM Alexander 1946-6-7 4672 Modoc 0.5 mi E of Cedarville 1453 Comment
  POM99210  Ranunculus orthorhynchus R. M. Austin 1895-07 112 Modoc Goose Lake Valley. Comment
  POM269466  Ranunculus oxynotus Elmer I. Applegate 1932-8-1 8047 Modoc Arid rocky E slope of Warren Peak, Warner Mts. Comment
  UC748217  Ranunculus sceleratus Annie M. Alexander and Louise Kellogg 1946-6-7 4674 Modoc 2 mi e Cedarville (in marsh) 1453 Comment
  UCR49699  Ranunculus sceleratus L. C. Wheeler 1935-8-3 3762 Modoc Warner Mtns, Rock Lake, Pine Creek 1921 Comment
  JEPS55164  Ranunculus sceleratus Mary H. Manning 1903-5-8 126 Modoc Comment
  CAS-BOT-BC217196  Ranunculus sceleratus var. multifidus Alice Eastwood; John Thomas Howell 1940-6-13 8184 Modoc E side of Cedar Pass. Comment
  CDA24350  Ranunculus sceleratus var. multifidus T. C. Fuller 1979-6-5 20266 Modoc R. A. Byrne property, north side of Highway 108, 10 km northeast of Tulelake. 0 Comment
  POM269753  Ranunculus sceleratus var. multifidus Louis C. Wheeler 1935-8-3 3762 Modoc Warner Mountains: Pine Creek. 1738 Comment
  RSA604937  Ranunculus sceleratus var. multifidus Louis C. Wheeler 1935-8-3 3762 Modoc Warner Mountains: Pine Creek. 1738 Comment
  JEPS96813  Ranunculus testiculatus Dean W. Taylor 1992-3-16 12332 Modoc 1 air mi SW of Duncan Reservoir; Modoc Plateau 1493 Comment
  CDA3493  Ranunculus testiculatus C. B. Greenback 1981-4-9 Modoc Hawk s Nest, near Tule Lake. 0 Comment
Read comments
Jun 24 2009
  JEPS117474  Rhaponticum repens Lowell Ahart, John Dittes 2010-8-31 17093 Modoc Just south of the Parking Area west of the old barn, on the west side of Elkins Lane, Ash Creek State Wildlife Area, 320 feet north of Lassen County Line, about 4.4 miles (air) west of Adin, about 7.2 miles (air) northeast of Bieber, Big Valley 1266 Comment
  CAS-BOT-BC95678  Rhododendron columbianum Bruce Bartholomew 1994-7-2 6825 Modoc North Fork of Davis Creek, W side of the Warner Mountains. 1910 Comment
  CAS-BOT-BC225855  Ribes aureum Bruce Bartholomew; Barrett Anderson 1988-5-14 4188 Modoc 2 km S of McGinty Point, edge of causeway across the SW corner of Goose Lake. 1430 Comment
  CAS-BOT-BC225859  Ribes aureum Bruce Bartholomew; Barrett Anderson 1989-4-29 4703 Modoc Sand Creek, E side of Surprise Valley, ca. 10 km E of Cedarville. 1400 Comment
  NY454720  Ribes aureum B. M. Bartholomew 1989-4-29 4703 Modoc Sand Creek, east side of Surprise Valley, ca. 10 km east of Cedarville 1400 Comment
  UC570845  Ribes aureum F. H. Frost 1925-7-24 115 Modoc Jess Valley Warner Mts. Comment
  UC71821  Ribes aureum Mrs. M. H. Manning 1903-4 95 Modoc valley near Fort Bidwell Comment
  CAS-BOT-BC225863  Ribes cereum E. S. Willits 1940-4-27 190 Modoc Sugar Hill. Comment
  CAS-BOT-BC225864  Ribes cereum Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10538 Modoc Patterson Ranger Station (East Creek drainage), Warner Mts. 2164 Comment
  CAS-BOT-BC225865  Ribes cereum Annie Montague Alexander; L. Kellogg 1946-6-27 4849 Modoc Highgrade, top of ridge, two miles by road from Dismal Swamp, N end of Warner Mts. 2377 Comment
  CAS-BOT-BC225869  Ribes cereum Belknap C. Goldsmith 1910-5-9 6 Modoc Fandango Creek, W slope Warner Mts. 1554 Comment
  CAS-BOT-BC225871  Ribes cereum Roxana Stinchfield Ferris; R. Duthie 1919-6-15 123 Modoc Above Parker Creek near Modoc Nat. Forest Boundary. Comment
  CAS-BOT-BC225873  Ribes cereum Isabelo T. Kelly 1930-1-1 1 Modoc Near Cedarville, Surprise Valley. Comment
  CAS-BOT-BC225879  Ribes cereum Alice Eastwood; John Thomas Howell 1940-6-12 8044 Modoc Between Likely and Jess Valley. Comment
  CAS-BOT-BC225892  Ribes cereum Bruce Bartholomew; Barrett Anderson 1988-5-14 4199 Modoc Pease Cabin, 0.8 km E of Fletcher Creek on USFS road 47N09 between Goose Lake and Crowder Flats. 1550 Comment
  HSC20285  Ribes cereum D. M. Thomson 1965-8-14 195 Modoc Lava Beds National Monument, Tichner Rd., 2 mi. from SE entrance Comment
  HSC20287  Ribes cereum R. C. Wunner 1965-6-20 228 Modoc Lava Beds N.M., Lava Brook Cave. 1463 Comment
  JEPS49423  Ribes cereum W. L. Jepson 1918-8-7 7860 Modoc Mt. Bidwell 1981 Comment
  NY454991  Ribes cereum K. Paulson 1989-6-14 135 Modoc Ca. 1.5 miles northeast of Cedar Pass, Warner Mountains 1905.0 Comment
  NY455008  Ribes cereum C. L. Hitchcock 1940-5-27 6695 Modoc 15 miles northeast of Alturas 1615.4 Comment
  RSA271927  Ribes cereum Christopher Davidson 2620 Modoc 2.5 mi W of Cedarville on Hwy 299. 1677 Comment
  RSA504591  Ribes cereum Bruce Bartholomew, B. Anderson 1988-6-24 4297 Modoc Road beyond Poison Lake, ca. 8 km S of the road from Hwy 395 to Lily Lake, Warner Mountains. 2130 Comment
  UC71794  Ribes cereum Mrs. M. H. Manning 1902-10-11 37 b Modoc ne Modoc Conty Comment
  UC79634  Ribes cereum Mrs. R. M. Austin June, 1894 217 Modoc hills near Willow Creek Comment
  UCSB11458  Ribes cereum var. cereum Dearing, Hugh; Dearing, Margaret 1939-6-8 Modoc Pine Canon 1524 Comment
  CAS-BOT-BC225897  Ribes inerme Elmer Ivan Applegate 1932-8-2 8093 Modoc Mill Creek Meadow, Warner Mts. Comment
  CAS-BOT-BC225902  Ribes montigenum Bruce Bartholomew 1990-6-16 5261 Modoc W side of Pine Creek Basin, Warner Mountains. 2200 Comment
  CAS-BOT-BC225907  Ribes montigenum Elmer Ivan Applegate 1932-7-9 7581 Modoc North slope of Bidwell Mountain, Warner Mts. Comment
  SEINET195470 Image available Ribes montigenum Annie M. Alexander, L Kellogg 1946-6-25 4822 Modoc North end of the Warner Mountains Dismal Swamp 2256 Comment
  SEINET5339715  Ribes montigenum M. J. Williams 1984-6-29 84- 71 -2 Modoc Lily Lake, west side of the Warner Mountains 2073 Comment
  UCR270415  Ribes nevadense John F. Emmel 2000-8-2 1680 Modoc Modoc Plateau, north end Warner Mountains, upper part of Cave Lake Campground 2043 Comment
  JEPS49261  Ribes velutinum B. C. Goldsmith 1910-1 Modoc Alturas Comment
  UC1539998  Ribes velutinum M. Mitchell 1936-5-21 25 Modoc Frozen River Cave Lava Beds National Monument 1348 Comment
  NY455556  Ribes viscosissimum L. C. Wheeler 1935-8-14 3850 Modoc Lily Lake, Pine Creek, Warner Moutnains 2072.6 Comment
  NY455564  Ribes viscosissimum B. M. Bartholomew 1988-6-24 4298 Modoc Road beyond poison Lake, ca. 8 km south of the road from US Highway 396 to lily Lake, Warner Mountains 2130 Comment
  SEINET195337 Image available Ribes viscosissimum Annie M. Alexander, L Kellogg 1946-7-1 4894 Modoc Warner Mountains; one half mile south of Dismal Swamp north end of Warner Mountains 2256 Comment
  RSA0020909  Ribes viscosissimum Bruce Bartholomew, B. Anderson 1988-6-24 4298 Modoc Road beyond Poison Lake, ca. 8 km S of the road from Hwy 395 to Lily Lake, Warner Mountains. 2130 Comment
  JEPS6020  Rigiopappus leptocladus Frances D. Payne 1932-6-10 638 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  JEPS53835  Rorippa W. L. Jepson 1918-8-7 7902 Modoc North Fork Bidwell Creek Mt. Bidwell, North Fork Bidwell Creek 1828 Comment
  UC1537632  Rorippa Gordon H. True Jr. 1939-7-21 1030 Modoc Jack Swamp Comment
  UCR47628  Rorippa austriaca Don Pendleton 1987-6-24 s.n. Modoc Hwy 395 near town of Likely. Comment
  CDA34339  Rorippa austriaca E. Finley 1987-6-17 s.n. Modoc Big Valley; Jones Rd., off US 395, N of Likely. 0 Comment
  OBI5247  Rorippa austriaca T. C. Fuller 1958-7-8 1972 Modoc Corporation Ranch, near Likely Comment
  SEINET13762226 Image available Rorippa austriaca T. C. Fuller 1958-7-8 1972 Modoc Wet meadow, Corporation Ranch near Likely Comment
  CAS-BOT-BC58420  Rorippa curvisiliqua Bruce Bartholomew 1995-7-30 7052 Modoc W end of Widow Valley, Big Valley Mountains. 1380 Comment
  RSA322273  Rorippa curvisiliqua R. C. Rollins, Kathryn W. Rollins, David Gates, JoRita Gates, Aileen G. Roads 1983-7-6 83229 Modoc Above Widow Valley, ca. 3 miles E of day. Comment
  CHSC106351  Rorippa curvisiliqua var. orientalis Lowell Ahart; John Dittes 2010-8-30 17074 Modoc About 10 yards west of the fence, Ash Creek State Wildlife Area, 2,300 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  CAS-BOT-BC58455  Rorippa nasturtium-aquaticum Bruce Bartholomew; Barrett Anderson 1988-7-22 4549 Modoc Stough Reservoir between Alturas and Cedarville, Warner Mts.. 2000 Comment
  CAS-BOT-BC95038  Rorippa palustris var. hispida Verne Grant; I. Schneider 1947-7-19 8077 Modoc William Ranch, along Southern Pacific right-of-way near East Canal, in Pit Valley S of Alturas. Comment
  CAS-BOT-BC218244  Rosa gymnocarpa Bruce Bartholomew 1994-7-4 6855 Modoc Johnson Creek, E of State Hwy 299. 1620 Comment
  CAS-BOT-BC218245  Rosa gymnocarpa Bruce Bartholomew 1994-5-27 6706 Modoc Bowman Spring W side of the Whitehorse Mountains near the Siskyou County line. 1400 Comment
  CHSC99966  Rosa woodsii subsp. ultramontana Lowell 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, 2660 feet east of intersection with County Road 85a, 9.3 miles (air) north-northeast of Lookout. 1276 Comment
  HSC80702  Rosa woodsii subsp. ultramontana G. M. Riegel 1979-8-25 688 Modoc South Warner Mtns. 1670 Comment
  RSA67243  Rosa woodsii subsp. ultramontana Philip A. Munz 1951-9-14 16977 Modoc Jess Valley, 13 miles east of Likely 1631 Comment
  CAS-BOT-BC218249  Rosa woodsii var. ultramontana Bruce Bartholomew 1989-7-14 4930 Modoc Along Rush Creek between Lower and Upper Rush Creek Campgrounds. 1580 Comment
  JEPS114900  Rosa woodsii var. ultramontana Lowell Ahart, John Dittes 2008-8-26 15348 Modoc SE side of Rose Creek, 750 ft SW of confluence of Rose Creek and Pit River, on the NW side of unnamed road, 2660 ft E of intersection with County Road 85a, 9.3 mi (air) NE of Lookout 1276 Comment
  JEPS47234  Rosa woodsii var. ultramontana Frances D. Payne 1932-7-11 689 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  UC528028  Rosa woodsii var. ultramontana Elmer I. Applegate 1929-6-25 5904 Modoc e side of Goose Lake Willow Ranch (along stream) Comment
  UC12857  Rosa woodsii var. ultramontana Milo S. Baker 1893-6 Modoc Comment
  RSA520485  Rubus parviflorus Bruce Bartholomew 1989-7-14 4929 Modoc Along Rush Creek between Lower and upper Rush Creek Campgrounds. 1520 Comment
  HSC17570  Rumex acetosella M. T. Milligan 1964-6-27 95 Modoc Old mill, Lassen Creek 1829 Comment
  HSC17601  Rumex californicus M. T. Milligan 1965-6-26 318 Modoc N end Jess Valley. 1616 Comment
  JEPS127307  Rumex crispus Lowell Ahart, John Dittes 2016-7-14 21192 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-BC211339  Rumex crispus Isabelo T. Kelly 1930-1-1 54 Modoc Modoc Co. Comment
  CDA23184  Rumex occidentalis T. C. Fuller 1958-7-8 2031 Modoc 4 miles south of Pine Creek. 0 Comment
  CAS-BOT-BC211314  Rumex salicifolius Bruce Bartholomew; Barrett Anderson 1990-7-19 5439 Modoc Sweagert Flat. 1860 Comment
  CAS-BOT-BC211311  Rumex salicifolius John H. Hatton 1911-6-12 44 Modoc Modoc County. 1493 Comment
  NY430601  Rumex salicifolius subsp. salicifolius B. M. Bartholomew 1988-7-23 4593 Modoc Pine Creek, 4 km east of US Highway 395 on the road to Lily Lake, Warner Mountains. Fort Bidwell 15' Quad. 1620 Comment
  UC1036082  Rumex salicifolius var. lacustris Annie M. Alexander and Louise Kellogg 1946-6-10 4711 Modoc Snake Lake Comment
  UC1101222  Rumex salicifolius var. lacustris Verne Grant and Irving Schneider 1947-7-20 8088 Modoc 2 mi e Alturas; Dorris Reservoir Comment
  CAS-BOT-BC211319  Rumex triangulivalvis Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10550 Modoc Patterson Ranger Station (East Creek drainage). 2164 Comment
  CAS-BOT-BC211322  Rumex triangulivalvis Roxana Stinchfield Ferris; R. Duthie 1919-6-15 162 Modoc Parker Creek, Warner Mts. Comment
  HSC65604  Rumex triangulivalvis Thomas Wood 1979-8-9 239 Modoc Dirt Road along Bidwell Creek, 2.8 mi. NW of junction with Co. Hwy. 2 N of Fort Bidwell 1509 Comment
  POM260470  Sagina saginoides C. L. Hitchcock 1940-5-27 6708 Modoc 15 miles NE of Alturas. 1677 Comment
  CAS-BOT-BC225112  Salix bebbiana A. D. Borden 1911-5-21 s.n. Modoc SE shore of Goose Lake Comment
  CAS-BOT-BC225123  Salix boothii Francis Dorris Payne 1932-7-7 335 Modoc Pine Creek Basin, Warner Mts., about 33 km SE of Alturas. 2280 Comment
  CAS-BOT-BC225124  Salix boothii Francis Dorris Payne 1931-7-7 333 Modoc Pine Creek Basin, Warner Mts., about 33 km SE of Alturas. 2280 Comment
  CAS-BOT-BC225125  Salix boothii Elmer Ivan Applegate 1932-7-9 7596 Modoc N slope of Bidwell Mountain, Warner Mts. Comment
  CAS-BOT-BC225753  Salix boothii Francis Dorris Payne 1932-7-21 728 A Modoc S of Mosquito Lake, E side of Mt. Warnen (Buck Mt.), Warner Mts., E of Alturas. Comment
  CAS-BOT-BC225754  Salix boothii Francis Dorris Payne 1932-7-21 728 A Modoc S of Mosquito Lake, E side of Mt. Warnen (Buck Mt.), Warner Mts., E of Alturas. Comment
  POM220464  Salix boothii Frances D. Payne 1931-7-7 335 Modoc Pine Creek Basin. Warner Mtns. 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
  CAS-BOT-BC225755  Salix eastwoodiae Francis Dorris Payne 1931-6-25 275 Modoc Pine Creek Basin, Warner Mts., about 33 km SE of Alturas. 2280 Comment
  CAS-BOT-BC225761  Salix eastwoodiae Francis Dorris Payne 1931-6-25 277 Modoc Pine Creek Basin, Warner Mts., about 33 km SE of Alturas. 2280 Comment
  CAS-BOT-BC225763  Salix eastwoodiae Francis Dorris Payne 1931-7-7 333 Modoc Pine Creek Basin, Warner Mts., about 33 km SE of Alturas. 2280 Comment
  LA208599  Salix eastwoodiae Frances D. Payne; 1931-6-25 275 Modoc Warner Mountains, Pine Creek Basin, about 33 km. SE of Alturas 2280.0 Comment
  POM218964  Salix eastwoodiae Frances D. Payne 1931-7-8 177 Modoc Pine Creek Basin. Warner Mtns. About 33 km SE of Alturas. 2280 Comment
  SJSU238  Salix eastwoodiae F. D. Payne 1931-7-8 177 Modoc near spring N slope of flat along Cr Pine Cr Basin, Warner Mts, c. 33 km SE Alturas 2286 Comment
  UC481860  Salix eastwoodiae Frances D. Payne 1931-6-25 275 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
  UC481867  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-BC225769  Salix exigua Belknap C. Goldsmith 1911-5-28 28 Modoc County road, near Goose Lake. 1493 Comment
  CAS-BOT-BC225771  Salix exigua Francis Dorris Payne 1931-6-10 139 Modoc Parker Creek, Warner Mountains 1560 Comment
  CAS-BOT-BC225773  Salix exigua Elmer Ivan Applegate 1932-8-4 8157 Modoc Bank of Pitt River, 8 mi. E of Likely. Comment
  CAS-BOT-BC225774  Salix exigua Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16366 Modoc Along bank of Pit River, 3.9 mi N of Alturas. Comment
  CAS-BOT-BC225775  Salix exigua H. P. Bracelin 1931-6-30 501 Modoc Alturas, SW end of town. 1360 Comment
  NY187439  Salix exigua F. D. Payne 1931-6-30 488 Modoc Parker Creek, 20 km east of Alturas; meadow south of Payne Ranch 1560 Comment
  RSA610748  Salix geyeriana Louis C. Wheeler 1935-9-11 3969 Modoc Devils Garden: Mulkey Place, Fletcher Creek. 1524 Comment
  RSA437634  Salix gooddingii James D. Morefield, Tim S. Ross 1987-7-27 4723 Modoc White Mtns: Canyon of Perry Aiken Creek. 1.5 miles S45oE of Juniper Mtn summit. Fishlake Valley drainage. 1799 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
  UC846605  Salix lasiandra var. lasiandra C. L. Hitchcock 1940-5-27 6699 Modoc 12 mi n.e. Alturas 1615 Comment
  NY187872  Salix lasiolepis N. F. Bracelin 1931-6-30 492 Modoc Parker Creek, 20 km E of Alturas, meadow south of Payne Ranch 2560 Comment
  SD901  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-29 487 Modoc Halfway between Adin and Canby 1349 Comment
  LA208883  Salix lemmonii Frances D. Payne; August 1934 778 Modoc Warner Mountains, Pine Creek Basin 2316 Comment
  UC437299  Salix lemmonii Belknap C. Goldsmith 1911-5-21 26 Modoc e. shore Goose Lake; Modoc Forest Comment
  POM261276  Salix lucida subsp. lasiandra C. Leo Hitchcock 1940-5-27 6699 Modoc 12 miles NW of Alturas. 1616 Comment
Read comments
Apr 8 2012
  UC481942  Salix melanopsis Mrs. H. P. Bracelin and Miss Frances D. Payne 1931-6-30 491 Modoc 20 km. e. Alturas (meadow s. of Payne Ranch, Parker Creek); Parker Creek 1560 Comment
  CHSC34511  Salsola tragus J. D. Prouty 1980-8-9 1150 Modoc Ca. 2 mi e of Cedarville, n side of Rd 299 as it intersects w margin of Middle Alkali Lake. Comment
  CAS-BOT-BC179252  Salvia aethiopis B. Bartholomew 1995-7-31 7078 Modoc Ca. 1.6 km N of turn off to Cedarville on U.S. Hwy 395. 1350 Comment
  CHSC63402  Salvia aethiopis Vernon H. Oswald; Wesley Wilson 1994-7-9 6370 Modoc Forest Service Rd. 2 at Pine Creek, ca. 1 mi E of Hwy. 395, just S of the Oregon border. 1524 Comment
  SEINET8916634  Salvia aethiopis B. Ertter 1995-7-1 14459 Modoc Along Hwy 395 S of New Pine Creek on OR border, at junction with County Road 44. 1463 Comment
  SFV3216  Salvia dorrii I. L. Wiggins, D. B. Wiggins 1961-6-12 16436 Modoc Warner Mountains 4 miles east of summit of Cedar Pass on Cedar Pass Road. 1550 Comment
  SBBG6480  Salvia dorrii var. dorrii H. and M. Dearing 1939-6-9 3609 Modoc E side of Cedar Pass Comment
  RSA233754  Sambucus caerulea R. F. Thorne, C. W. Tilforth 1969-9-5 39141 a Modoc Canyon near junction of South Fork of Pit River and outlet stream from West Valley Reservoir 5 miles east of Likely 1372 Comment
  CAS-BOT-BC95178  Sambucus melanocarpa Belknap C. Goldsmith 1910-7-20 13 Modoc Fandango Creek, W slope of Warner Mts. 1554 Comment
  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
  UC147283  Sambucus mexicana Milo S. Baker 1898-7-20 467 Modoc Taylor Cr. Forestdale Comment
  JEPS5936  Sambucus racemosa var. microbotrys Frances D. Payne 1931-6-25 256 Modoc 2 mi sw Warren Peak; Warner Mts., Pine Creek Basin 2316 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
  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
  UC1598724  Sanicula graveolens Milo S. Baker 1893-6 Modoc in Modoc County Modoc County Comment
  UC1583999  Saxifraga integrifolia G. Schoolcraft 1990-6-7 2083 Modoc about 12 mi ne of Alturas (near Joseph Creek) 1615 Comment
  UC11790  Saxifraga oregana Milo S. Baker 1893-6 Modoc Comment
  UCD126477  Schedonorus pratensis L. Whitney 1935-6-29 3360 -b Modoc Alturas. 1463 Comment
  CAS-BOT-BC245131  Schoenoplectus acutus var. occidentalis Alice Eastwood; John Thomas Howell 1940-6-12 8032 Modoc Likely. Comment
  UC1100758  Schoenoplectus acutus var. occidentalis Verne Grant and Irving Schneider 1947-8-28 8342 Modoc Pit River about 2 mi downstream from Canby; Pit River, downstream from Canby Comment
  CAS-BOT-BC245127  Schoenoplectus americanus Bruce Bartholomew 1990-6-17 5290 Modoc Surprise Valley, SW side of Lower Alkali Lake, 3.2 km N of Lassen County border. 1370 Comment
  UCD143730  Schoenoplectus americanus Herbert L. Mason 1947-8-11 1349 Modoc on Highway 81, west margin of Lower Lake, near boundary between Lassen and Modoc counties. Comment
  CAS-BOT-BC245111  Schoenoplectus pungens Robert Folger Thorne; et al 1969-9-4 39072 Modoc S end of Goose Lake. 1432 Comment
  UC1100763  Scirpus acutus var. occidentalis Verne Grant and Irving Schneider 1947-7-18 8041 Modoc Eastside Canal 5 mi n Bayley's bridge (s of Alturas); , Eastside Canal 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-BC245119  Scirpus microcarpus Roxana Stinchfield Ferris; R. Duthie 1919-6-17 175 Modoc Parker Creek near Modoc Nat. Forest Boundary. Comment
  CAS-BOT-BC245122  Scirpus microcarpus Alice Eastwood; John Thomas Howell 1940-6-13 8183 Modoc E side of Cedar Pass. Comment
  UC1100835  Scirpus microcarpus Verne Grant and Irving Schneider 1947-7-22 8152 Modoc on dirt road leading to s end Goose Lake one mi nw Highway 395 (headwaters North Fork Pit River); , s end Goose Lake Comment
  UCD69396  Scolochloa festucacea D. Marcum 1997-10-14 s.n. Modoc Southern Modoc County, near border of Lassen County, near town of Adin. Not previously reported from California. Known from Klamath Marshes in Oregon. 1300 Comment
  UC1192000  Scrophularia lanceolata Verne Grant and Irving Schneider 1947-7-20 8105 Modoc downstream from Alturas (Norht Fork of Pit river) Comment
  CAS-BOT-BC179228  Scutellaria nana B. Bartholomew 1992-5-15 6299 Modoc N end of Suprise Valley, S of Cow Head Lake. Surprise Valley 1600 Comment
  CAS-BOT-BC179230  Scutellaria nana Lindsay Stuart Smith 1924-5-31 1358 Modoc Egg Lake Ranch and S. Comment
  CAS-BOT-BC95608  Sedum lanceolatum Robert Patterson; Mona Bourell 1993-8-15 5270 Modoc Warner Mountains. Along trail from Patterson Lake to ca. 2 mi north towards Pepperdine Trailhead. 2743 Comment
  HSC81211  Sedum lanceolatum G. M. Riegel 1980-8-12 1041 Modoc South Warner Mtns. 1739 Comment
  CHSC113992  Sedum stenopetalum L. P. Janeway 2014-7-7 11442 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
  JEPS26920  Sedum stenopetalum Wayne Roderick May 1961 966 Modoc Cedar Pass Warner Mtns, Cedar Pass (Warner Mtns on s side of hiway just e of summit) 1889 Comment
  JEPS48025  Sedum stenopetalum Frances D. Payne 1931-6-11 147 Modoc s and e Alturas (Parker Creek, n slope, Warner Mountains); Warner Mountains, Parker Creek, s and e of Alturas 1584 Comment
  UC11230  Sedum stenopetalum Mrs. R. M. Austin Aug. 1894 Modoc hills e Goose Lake; hills e of Goose Lake Comment
  RSA84213  Sedum stenopetalum subsp. stenopetalum F. W. Peirson 1926-6-25 6866 Modoc West slope of Warner Mountains on Cedarville Road. Comment
  CAS-BOT-BC50332  Senecio aronicoides John H. Hatton 1911-6-10 9 Modoc Modoc County. 1767 Comment
  RSA606137  Senecio canus L. C. Wheeler 1935-8-4 3778 Modoc Dry Lake, Pine Creek, Warner Mountains. 2104 Comment
  SEINET191900  Senecio canus Mrs. H. C. Cantelow 1940-6-2 Modoc 4 miles west of Alturas Comment
  RSA271898  Senecio eurycephalus Christopher Davidson 1975-6-4 2592 Modoc 0.4 mile east of Highway 395 on Highway 299 toward Cedarville. Fenced pasture on south side of road. 1380 Comment
  CAS-BOT-BC50278  Senecio fremontii var. fremontii Annie Montague Alexander; L. Kellogg 1946-7-29 5084 Modoc Head of Eagle Creek, Warner Mts. Comment
  CAS-BOT-BC50281  Senecio fremontii var. fremontii Bruce Bartholomew 1990-8-4 5641 Modoc Top of pass on Summit Trail, ca. 0.5 km SE of Patterson Lake, E side of Warner Mts. 2800 Comment
  JEPS37629  Senecio fremontii var. fremontii W. L. Jepson 1918-8-13 7975 Modoc Eagle Peak Warner Mts. 3017 Comment
  JEPS117384  Senecio hydrophilus Lowell Ahart, John Dittes 2010-8-31 17104 Modoc About 40 yards west of Elkins Lane, about 150 yards north of the bridge across Ash Creek, Ash Creek State Wildlife Area, 4215 feet north of Lassen County Line, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley 1274 Comment
  CAS-BOT-BC50265  Senecio integerrimus Annie Montague Alexander; L. Kellogg 1946-7-18 5019 Modoc Benton Meadow. 2072 Comment
  CAS-BOT-BC50288  Senecio integerrimus var. exaltatus Betty J. Hammerly 1941-6-20 36 Modoc Along banks of Clear Lake, S end of Warner Mts. Comment
  CAS-BOT-BC50294  Senecio integerrimus var. exaltatus John Thomas Howell 1934-6-13 12046 Modoc Fandango Pass, Warner Mountains 1828 Comment
  JEPS37283  Senecio integerrimus var. exaltatus Milo S. Baker 1893-6-25 Modoc Comment
  JEPS5944  Senecio integerrimus var. exaltatus Frances D. Payne 1931-6-29 298 Modoc e of Warren Peak; Warner Mountains, Owl Creek 2133 Comment
  SEINET3148743  Senecio integerrimus var. ochroleucus E. K. Balls 1950-5-12 14655 Modoc Hillsides N of Bucks Creek Ranger Station, Modoc National Forest, E of Goose Lake 1646 Comment
  CAS-BOT-BC50267  Senecio serra var. serra Annie Montague Alexander; L. Kellogg 1946-7-7 4949 Modoc Eight Mile Creek, NE corner of county 1752 Comment
  RSA0013301  Senecio serra var. serra Bruce Bartholomew 1989-8-12 5109 Modoc S end of Coyote Creek, ca. 1.5 km SW of Sunflower Knob, S end of Warner Mountains 2040 Comment
  CAS-BOT-BC50273  Senecio triangularis Bruce Bartholomew 1989-8-11 5089 Modoc Vicinity of Patterson Ranger Station, S end of Warner Mountains. 2160 Comment
  CDA35643  Senecio triangularis J. R. Keck Jr. 1985-7-11 PDR# 237699 Modoc Davis Creek, Modoc National Forest. Comment
  CAS-BOT-BC95635  Shepherdia argentea Elmer Ivan Applegate 1932-7-6 8189 Modoc Between Eagleville and Cedarville, Surprise Valley. Comment
  CAS-BOT-BC95637  Shepherdia argentea Edward Kent Balls 1950-5-11 14612 Modoc Between Eagleville and Cedarville. 1432 Comment
  HSC80699  Sibbaldia procumbens G. M. Riegel 1980-8-7 1003 Modoc S Warner Mtns. 1829 Comment
  RSA152436  Sidalcea I. L. Wiggins, Dorothy Wiggins 1961-6-13 16469 Modoc Roadside 2.4 mi. S of village of Davis Creek, SE side of Goose Lake. Comment
  CAS-BOT-BC179070  Sidalcea oregana subsp. oregana Bruce Bartholomew; Barrett Anderson 1988-6-23 4235 Modoc 2.1 km SSE of Day on the road to State Highway 299. 1020 Comment
  CAS-BOT-BC179082  Sidalcea oregana subsp. oregana Annie Montague Alexander; L. Kellogg 1946-6-17 4787 Modoc W side of pass, Cedar Pass road. 1676 Comment
  CAS-BOT-BC179087  Sidalcea oregana subsp. oregana Bruce Bartholomew 1991-6-20 5770 Modoc Just N of Lassen County line on county road 90. 1220 Comment
  CAS-BOT-BC248324  Sidalcea oregana subsp. oregana B. Bartholomew; H. Sun 2002-6-24 8823 Modoc S end of Sweagert flat ca. 15.3 straight line km WNW of Aden 1820 Comment
  JEPS67255  Sidalcea oregana subsp. oregana Frances D. Payne 1931-6-17 165 Modoc s and e Alturas (Parker Creek); Warner Mountains, , s and e of Alturas 1584 Comment
  POM260358  Sidalcea oregana subsp. oregana C. L. Hitchcock 1940-5-27 6680 Modoc 15 miles NE of Alturas. 1616 Comment
  RSA101358  Sidalcea oregana subsp. oregana R. Weatherby 1955-7-8 1625 Modoc 6 miles N of Ft. Bidwell, Northern Warner Mts. 1738 Comment
  UC201725  Sidalcea oregana subsp. oregana W. P. Taylor and H. C. Bryant 1910-6-11 Modoc Alturas Warner Mountains, , Alturas (S Fork Pitt R) 1402 Comment
  POM98592  Sidalcea oregana subsp. oregana F. W. Peirson 1926-6-25 6867 Modoc Cedarville Road, Warner Mts. Comment
  UC108854  Sidalcea oregana subsp. oregana Mrs. R. M. Austin 1894-1 310 Modoc Comment
  UC1618381  Sidalcea oregana subsp. spicata Barbara Ertter 1988-6-18 7612 Modoc e of Lava Beds National Monument Lava Beds National Monument Lava (ne of Dry Lake, w side of Highway 139 just s of where it crosses railroad at jct to Clear Lake); Highway 139 1249 Comment
  CAS-BOT-BC95249  Silene douglasii var. douglasii Alice Eastwood; John Thomas Howell 1940-6-13 8140 Modoc Fandango Pass. Comment
  CHSC69258  Silene douglasii var. douglasii Marion Ownbey; Fred G. Meyer 1940-7-1 2154 Modoc Cedar Peak, Warner Mts. Comment
  HSC25438  Silene lemmonii D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19465 Modoc Upper Rush Creek Campground, about 8 mi. N of Adin on Hwy. 299 Comment
  NY452568  Silene lemmonii J. T. Howell 1934-6-11 11958 Modoc Parker Creek, Warner Mountains 1585.0 Comment
  CAS-BOT-BC389519  Silene menziesii Arnold Tiehm 1984-6-30 8840 Modoc NW side of Bidwell Mt., 2.8 road miles north of 8 mile creek on the road from Lake Annie 1828 Comment
  HSC4222  Silene menziesii M. T. Milligan 1964-7-4 216 Modoc Lassen Creek above lower campground 1829 Comment
  POM100952  Silene menziesii var. viscosa Mrs. R. M. Austin 1895-07 518 Modoc Goose Lake. Comment
  UC711806  Silene occidentalis subsp. occidentalis Roxana S. Ferris and Laura Lorraine 1941-8-14 10577 Modoc on road to Eagleville three mi from Patterson Ranger Station (Warner Mountains); Modoc National Forest, Warner Mountains Comment
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Sep 9 2015
  CAS-BOT-BC95274  Silene oregana Roxana Stinchfield Ferris; L. Lorraine 1941-8-14 10577 Modoc 3 miles from Patterson Ranger Station on road to Eagleville, Warner Mts. Comment
  CDA3864  Sisymbrium altissimum T. C. Fuller 1958-7-8 1965 Modoc Corporation Ranch, Likely. 0 Comment
  JEPS126540  Sisyrinchium bellum Lowell Ahart, John Dittes 2016-6-6 20965 Modoc About 100 yards east of the Parking Area, about one mile south of the intersection of County Road 87 and Access Road to Pilot Butte Parking Area, 3.8 miles (air) east Lookout, 7.5 miles (air) west of Adin, Ash Creek State Wildlife Area. Comment
  UC4231  Sisyrinchium bellum Milo S. Baker 1893-6 Modoc Egg Leake Island Comment
  CAS-BOT-BC245080  Sisyrinchium idahoense var. idahoense Bruce Bartholomew 1994-7-1 6771 Modoc Turner Creek adjacent to Forest Service road 42N21. 1470 Comment
  UC3887  Smilacina stellata M. S. Baker and Frank Nutting 1894-6-15 Modoc Big Valley Mts.; meadow Comment
  RSA0020576  Solanum physalifolium var. nitidibaccatum Louis C. Wheeler 1935-8-6 3798 Modoc Mouth Pine Creek, Warner Mountains. 1509 Comment
  CAS-BOT-BC245426  Solanum triflorum Verne Grant; Herbert Louis Mason 1947-7-10 13341 Modoc Doris Reservoir, 2 miles east of Alturas 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
  CAS-BOT-BC54288  Solidago canadensis subsp. elongata Annie Montague Alexander; L. Kellogg 1946-7-12 4985 Modoc Twelve Mile Creek, NE corner of county Comment
  SEINET3167750  Solidago elongata J. C. Semple, B. A. Suripto 1990-8-11 9295 Modoc NE of Altura, flood plain of N. Fork Railroad by US-395, approx. 2 km S of Joseph Creek Rd. Comment
  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
  POM312332  Solidago spectabilis H. L. Mason 1947-8-9 13459 Modoc Ingalls Swamp, north of Big Sage Reservoir, northwest of Alturas. Comment
  CAS-BOT-BC54281  Solidago velutina subsp. californica K. Paulson; Robert Paulson 1989-8-1 201 Modoc Vicinity of Mill Creek Falls, W side of Warner Mts. Comment
  CAS-BOT-BC158915  Sorbus scopulina K. Paulson; R. Paulson 1991-8-28 253 Modoc Poison Lake, N end of Warner Mountains 1828 Comment
  CAS-BOT-BC158914  Sorbus scopulina Elmer I. Applegate s.n. Modoc Mill Creek Meadows, west slope of the Warner Mountains Comment
  UC1537629  Sparganium emersum var. emersum Gordon H. True Jr. 1939-7-21 1020 Modoc n of Canby (Jack Swamp); Jack Swamp Comment
  CAS-BOT-BC54294  Sphaeromeria potentilloides var. potentilloides C. C. (Mrs.) Bruce 1898-6-1 2173 Modoc Alturas. Comment
  JEPS45016  Spiraea douglasii Milo S. Baker 1893-7-12 Modoc Forestdale Comment
  UC13092  Spiraea douglasii Milo S. Baker 1893-7-12 Modoc Comment
  UC1101244  Spirodela polyrhiza Verne Grant and Irving Schneider 1947-7-22 8132 Modoc n of Alturas (North Fork Pit River by confluence with Gleason Creek on Highway 395); North Fork Pit River Comment
  SEINET11587765  Stachys ajugoides Unknown 2016-8-16 7 -8 Modoc Lookout Comment
  CHSC70471  Stachys ajugoides var. rigida A. Sanger 1996-8-7 2446 Modoc In small interimit stream, S end of Cedar Pass CG. 1767 Comment
  CAS-BOT-BC179210  Stachys pilosa B. Bartholomew 1995-8-1 7172 Modoc County road 13, ca. 3 km NW of Lake City. 1390 Comment
  CAS-BOT-BC95291  Stellaria longipes var. longipes Bruce Bartholomew; Barrett Anderson 1988-7-22 4515 Modoc SE side of Sunflower Knob, southern end of the Warner Mts.. 2160 Comment
  CAS-BOT-BC95293  Stellaria longipes var. longipes Bruce Bartholomew 1989-8-11 5094 Modoc Vicinity of Patterson Ranger Station, S end of Warner Mountains. 2160 Comment
  CAS-BOT-BC95298  Stellaria longipes var. longipes Bruce Bartholomew 1991-10-13 6118 Modoc Stream just above Cave Lake, W side of Warner Mts. 1990 Comment
  UC1191455  Stellaria longipes var. longipes Verne Grant and Irving Schneider 1947-8-28 8336 Modoc nw of Alturas (Jack Swamp); Jack Swamp Comment
  CAS-BOT-BC95300  Stellaria obtusa Francis Dorris Payne 1932-7-14 682 Modoc Parker Creek Canyon. 1706 Comment
  UC1037319  Stenotus lanuginosus var. lanuginosus Leo Whitney 1934-5-13 1859 Modoc Weed Valley; 14 miles east, notheast of upper end of Clear Lake. Northern Modoc County. 1524 Comment
  RSA59847  Stenotus stenophyllus E. K. Balls 1950-5-17 14730 Modoc South shore, Clear Lake Bird Refuge 1381 Comment
  SEINET3125081 Image available Stephanomeria lactucina Richard R. Halse 2006-8-4 6998 Modoc Along Patterson Mill Road ca. 4 miles southwest of its junction with Surprise Valley Road, east side of the southern Warner Mountains; Modoc National Forest. 2097 Comment
  CAS-BOT-BC54265  Stephanomeria spinosa Annie Montague Alexander; L. Kellogg 1946-7-5 4910 Modoc Lava Cliff west Lower Lake. Comment
  CAS-BOT-BC54266  Stephanomeria spinosa Elmer Ivan Applegate 1932-7-6 8192 Modoc Eagleville, Surprise Valley, E base of Warner Mountains Comment
  CAS-BOT-BC54267  Stephanomeria spinosa Bruce Bartholomew; Barrett Anderson 1990-7-21 5566 Modoc N Barber Creek, road from Surprise Valley to Patterson Ranger Station, E side of Warner Mts. 1710 Comment
  CAS-BOT-BC54271  Stephanomeria spinosa Leland S. Smith 1922-7-12 1267 Modoc Canyon below Barber Field, 2 mi. S Menlo. 1676 Comment
  CDA18954  Stephanomeria spinosa Anne M. Corey 2000-6-19 s.n. Modoc Surprise Valley; Growing in Botanical Tours, County Road 18 at Soldier Creek, near Cedarville, Surprise Valley. 0 Comment
  CAS-BOT-BC322919  Stephanomeria tenuifolia Elmer I. Applegate 1936-7-3 10500 Modoc East slope of Hippo Butte, Lava Beds National Monument Comment
  CAS-BOT-BC54273  Stephanomeria tenuifolia Francis Dorris Payne 1932-7-25 749 Modoc Parker Creek. 1584 Comment
  HSC6236  Stephanomeria tenuifolia M. T. Milligan 1966-7-26 580 Modoc N end Jess Valley 1616 Comment
  RSA722690  Stephanomeria tenuifolia Richard R. Halse 2006-8-4 6998 Modoc Along Patterson Mill Road, ca 4 miles SW of its jct with Surprise valley Road, E side of the southern Warner Mtns. Modoc National Forest. 2097 Comment
  HSC80835  Stipa lemmonii G. M. Riegel 1980-7-15 884 Modoc South Warner Mtns. 1670 Comment
  HSC80824  Stipa occidentalis var. occidentalis G. M. Riegel 1980-7-15 884 Modoc South Warner Mtns. 1829 Comment
  HSC6950  Streptanthus cordatus M. T. Milligan 1967-7-8 662 Modoc W slope of Eagle Peak 2500 Comment
  POM95360  Streptanthus cordatus Mrs. R. M. Austin, C. C. Bruce 1898-06 2245 Modoc Hills near Davis Creek. Comment
  UC748373  Streptanthus cordatus Annie M. Alexander and Louise Kellogg 1946-6-22 4815 Modoc 3 mi above Fort Bidwell; Bidwell Creek Comment
  CAS-BOT-BC95061  Streptanthus cordatus var. cordatus Francis Marion Ownbey; Frederick Gustav Meyer 1940-7-1 2135 Modoc Cedar Pass, Warner Mts. Comment
  CAS-BOT-BC95063  Streptanthus cordatus var. cordatus Annie Montague Alexander; L. Kellogg 1946-6-22 4815 Modoc Bidwell Creek, 2 mi. above Fort Bidwell. Comment
  CAS-BOT-BC95068  Streptanthus cordatus var. cordatus Elmer Ivan Applegate 1932-8-1 8016 Modoc Rocky crest of Warner Mts just S of Warren Peak. Comment
  CAS-BOT-BC95574  Suaeda calceoliformis Elmer Ivan Applegate 1932-7-6 8197 Modoc E side of Middle Lake, Surprise Valley. Along the nevada state line. Comment
  RSA624459  Suaeda calceoliformis L. C. Wheeler 1935-9-4 3942 Modoc Goose Lake: McGinty Point. 1463 Comment
  UCD99570  Suaeda calceoliformis H. D. Sylvester 1929-10-1 s.n. Modoc Exact location unknown. Comment
  CAS-BOT-BC180094  Swertia albicaulis var. nitida John H. Hatton 1911-6-20 127 Modoc Modoc County. Comment
  CAS-BOT-BC180095  Swertia albicaulis var. nitida Milo Samuel Baker 1894-6-13 Modoc Near Egg Lake. Comment
  CAS-BOT-BC180091  Swertia radiata Robert Patterson; Mona Bourell 1993-8-14 5215 Modoc Patterson Lake. South Warner Wilderness Area. Warner Mountains. 2743 Comment
  CAS-BOT-BC180093  Swertia radiata Elmer Ivan Applegate 1932-7-31 7948 Modoc Mill Creek Meadows, W slope of Warner Mts. 2438 Comment
  UC711868  Swertia radiata Roxana S. Ferris and Laura Lorraine 1941-8-14 10595 Modoc 3 mi from Patterson Ranger Station (on the road to Eagleville); Warner Mountains, Modoc National Forest Comment
  JEPS46350  Swertia radiata F. Payne 1929-7-12 98 Modoc Lost Lake Ridge Warner Mts. Comment
  CAS-BOT-BC95181  Symphoricarpos longiflorus Annie Montague Alexander; L. Kellogg 1946-6-18 4805 Modoc Base of lava bluff facing Lower Lake. Comment
  CAS-BOT-BC95188  Symphoricarpos rotundifolius var. rotundifolius Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10537 Modoc Warner Mountains, Modoc National Forest, Patterson Ranger Station (East Creek drainage). 2164 Comment
  CAS-BOT-BC95194  Symphoricarpos rotundifolius var. rotundifolius Frances Payne 1931-6-21 231 Modoc Warner Mts., ridge west of Dry Creek 1981 Comment
  UC1191852  Symphoricarpos rotundifolius var. rotundifolius Herbert L. Mason 1948-7-18 13619 Modoc Cedar Pass; Warner Mountains Comment
  UC71583  Symphyotrichum bracteolatum Mrs. M. H. Manning Modoc north-eastern Modoc County Comment
  UCD136550  Symphyotrichum bracteolatum Robert F. Thorne; C. W. Tilforth 1969-9-4 39047 Modoc along north fork of Pit River, 11.8 miles north of Alturas along Highway 395. 1371 Comment
  JEPS40767  Symphyotrichum campestre Mrs. M. H. Manning 1903-8-1 268 Modoc near Fort Bidwell; North-East Modoc Co Comment
  CAS-BOT-BC15154  Symphyotrichum foliaceum var. parryi Bruce Bartholomew 1989-8-11 5087 Modoc Vicinity of Patterson Ranger Station, S end of Warner Mountains. 2160 Comment
  UCD14408  Symphyotrichum frondosum 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
  JEPS40838  Symphyotrichum spathulatum L. S. Smith 1918-7-15 999 Modoc Mill Creek Corral Modoc Forest 2087 Comment
  UC469026  Symphyotrichum spathulatum W. P. Taylor and H. C. Bryant 1910-7-24 Modoc Squaw Peak Warner Mountains, Squaw Peak Comment
  CHSC30633  Synthyris missurica NEH Prouty 1980-6-2 174 Modoc Modoc National Forest, Warner Mt. District. Sheep Rock T.S. Comment
  RSA503253  Synthyris missurica Bruce Bartholomew, B. Anderson 1988-6-24 4306 Modoc Road beyond Poison Lake, ca. 8 km S of the road from Hwy 395 to Lily Lake, Warner Mountains. 2130 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
  UCD86205  Taeniatherum caput-medusae L. Whitney 1935-7-20 3543 Modoc meadow near Canby. Comment
  CAS-BOT-BC54227  Taraxacum officinale Edward Kent Balls 1950-5-11 14623 Modoc 8.1 mi. NE of Fort Bidwell, above Cowhead Lake, on Eight Mile Creek. 1463 Comment
  UC615051  Taraxia subacaulis Beryl O. Schreiber 1934-6-10 1164 Modoc Lost Lake Warner Mountains Comment
  CHSC117136  Taraxia tanacetifolia Lowell Ahart; John Dittes 2016-7-14 21177 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
  UC1191747  Taraxia tanacetifolia Herbert L. Mason 1947-8-13 13523 Modoc n Canby (ne side of reservoir); F Reservoir Comment
  UC71668  Taraxia tanacetifolia Mrs. M. H. Manning 1903-8-27 339 Modoc Mt. Bidwell 1981 Comment
  SJSU4288  Taraxia tanacetifolia R. L. Fisher 1958-6-14 Modoc 15 mi E of Alturas 1676 Comment
  CAS-BOT-BC54236  Tetradymia canescens Roxana Stinchfield Ferris; L. Lorraine 1941-8-14 10599 Modoc 5.5 mi. from Patterson Ranger Station on Eagleville Rd. Comment
  CAS-BOT-BC54235  Tetradymia canescens Leland S. Smith 1918-7-7 976 Modoc Modoc County. Comment
  CAS-BOT-BC54240  Tetradymia glabrata Bruce Bartholomew 1990-6-17 5316 Modoc Surprise Valley, 6.8 km W of Eagleville. 1390 Comment
  SD61059  Tetradymia glabrata Darley F. Howe 1964-8-2 3927 Modoc 9.0 miles south of Alturas on Highway 395. 1340 Comment
  UC748471  Thalictrum fendleri Annie M. Alexander and Louise Kellogg 1946-7-2 4895 Modoc Dismal Swamp north end of Warner Mountains 2255 Comment
  JEPS60733  Thalictrum fendleri Frances D. Payne 1931-6-21 218 Modoc on ridge sw Dry Creek (tributary of Parker Creek) (s and e of Alturas); Warner Mountains 1981 Comment
  CAS-BOT-BC95075  Thelypodium flexuosum Bruce Bartholomew; Barrett Anderson 1989-4-29 4704 Modoc Sand Creek, E side of Surprise Valley, ca. 10 km E of Cedarville. 1400 Comment
  UC10936  Thelypodium howellii M. S. Baker and Frank Nutting 1894-6-29 Modoc Big Valley Comment
  NY746808  Thelypodium howellii var. howellii N. H. Holmgren 1998-5-30 12996 Modoc Surprise Valley, Modoc County Road 299, 6.9 km (4.3 mi) east of downtown Cedarville, at a turnoff to some hotsprings 1370 Comment
  CAS-BOT-BC95076  Thelypodium milleflorum Bruce Bartholomew 1993-6-13 6632 Modoc Near Fortynine Creek, E of Cedarville on E side of Surprise Valley. 1400 Comment
  CAS-BOT-BC95077  Thelypodium milleflorum Bruce Bartholomew 1990-6-17 5339 Modoc Surprise Valley, SE corner of Upper Alkali Lake. 1390 Comment
  NY215733  Thelypodium milleflorum B. M. Bartholomew 1989-6-2 4816 Modoc At the SE corner of Upper Alkali Lake, E side of Surprise Valley. 1400 Comment
  RSA429573  Thelypodium milleflorum G. Willett 1935-6-9 s.n. Modoc Eagleville. Comment
  RSA520355  Thermopsis californica var. argentata Bruce Bartholomew, B. Anderson 1898-6-3 4902 Modoc 5km NW of Egg Lake and 0.8km W of Service Flat Gulch 1370 Comment
  CAS-BOT-BC95086  Thlaspi arvense Bruce Bartholomew; Barrett Anderson 1989-6-1 4751 Modoc ca. 0.5 km W of Davis Creek on road to S end of Goose Lake. 1460 Comment
  CDA36792  Thlaspi arvense D. B. Joley 1976-6-23 3 Modoc Likely, near Alturas. 0 Comment
  RSA603593  Thlaspi arvense L. C. Wheeler 1935-8-10 3818 Modoc Dismal Swamp, Twenty Mile Creek. Warner Mtns. 2226 Comment
  CAS-BOT-BC66413  Thysanocarpus curvipes B. Bartholomew; B. Anderson 1989-6-1 4738 Modoc Ca. 0.5 km south of State Higway 299 on road to Shaker Spring. 1420 Comment
  RSA520375  Thysanocarpus curvipes var. curvipes Bruce Bartholomew, B. Anderson 1989-6-1 4738 Modoc Ca. 0.5 km S of State Hwy 299 on road to Shaker Spring. 1420 Comment
  CAS-BOT-BC58774  Tiquilia nuttallii Bruce Bartholomew 1990-6-17 5317 Modoc Surprise Valley, 6.8 km W of Eagleville. 1390 Comment
  NY1083233  Tiquilia nuttallii B. M. Bartholomew 1990-6-17 5317 Modoc Surprise Valley, 6.8 km west of Eagleville 1390 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
  CDA7715  Tragopogon dubius T. C. Fuller 1960-7-8 4716 Modoc South of 4th Street, east of East Street, Alturas. 0 Comment
  JEPS117467  Tribulus terrestris Lowell Ahart, John Dittes 2010-8-31 17132 Modoc West side of Elkins Lane, about 10 yards south of the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley 1267 Comment
  CAS-BOT-BC179197  Trichostema oblongum Bruce Bartholomew 1991-7-6 5987 Modoc Sand Flat on Loveness Logging Road. 1370 Comment
  JEPS63165  Trichostema oblongum Milo S. Baker 1893-7-14 Modoc Egg Lake Comment
  CAS-BOT-BC181782  Trifolium cyathiferum Francis Dorris Payne 1931-6-18 191 Modoc Parker Creek. 1584 Comment
  CAS-BOT-BC181787  Trifolium cyathiferum Bruce Bartholomew; Barrett Anderson 1990-7-20 5539 Modoc Buck Creek between Del Pratt Spring and Howard Flat, W side of Warner Mts. 1990 Comment
  UC71808  Trifolium cyathiferum Mrs. M. H. Manning 1904-7-7 465 Modoc near Fort Bidwell Comment
  UC748296  Trifolium cyathiferum Annie M. Alexander and Louise Kellogg 1946-7-12 4979 Modoc Twelve Mile Creek ne corner of county Comment
  RSA322037  Trifolium cyathiferum John M. Gillett, C. W. Crompton 1966-6-12 13012 Modoc Road to Egg Lake between Lookout and Modoc. Comment
  JEPS33195  Trifolium gymnocarpon var. plummerae L. S. Smith 1917-1 1156 Modoc Mt. Bidwell, E of Cattle Pass 1920 Comment
  NY717075  Trifolium gymnocarpon var. plummerae B. M. Bartholomew 1993-5-10 6471 Modoc 1.6 km northeast of Fee Reservoir Road on Barrel Spring Road, north end of Surprise Valley 1600 Comment
  NY802659  Trifolium kingii var. productum B. M. Bartholomew 1988-7-23 4582 Modoc Dismal Swamp, Warner Mountains 2180 Comment
  JEPS33192  Trifolium longipes var. hansenii Milo S. Baker 1893-5-26 Modoc Goose Valley Comment
  JEPS33201  Trifolium longipes var. hansenii Frances D. Payne 1931-6-25 249 Modoc 2 mi sw Warren Mtns (Pine Creek Basin) 2316 Comment
  RSA0014359  Trifolium macrocephalum Joan Stewart 2005-6-6 2488 Modoc Stowe Reservoir, Warner Mountains. Comment
  SD225771  Trifolium macrocephalum Carol Witham, Jennifer Buck 2001-5-10 200 Modoc 5 mi NE along Hwy 139 from its intersection with Hwy 299, south of Hwy 139, Canby site Comment
  SEINET10487918  Trifolium macrocephalum LeRoy E. Detling 1948-5-24 Detling 6258 Modoc N fk pit river, sec 17, t43n, r14e, sagebrush, juniper, artemisia tridentata, Level plateau, wet scabland in full sun. 1463 Comment
  UCD149866  Trifolium macrocephalum Harry George 1967-6-15 s.n. Modoc Lookout. Comment
  JEPS65976  Trifolium microcephalum Frances D. Payne 1931-6-22 234 Modoc se Alturas (Parker Creek); Warner Mtns Comment
  CAS-BOT-BC180168  Trifolium pratense Francis Dorris Payne 1931-6-17 173 Modoc Parker Creek, Warner Mts. 1584 Comment
  CAS-BOT-BC181760  Trifolium productum Bruce Bartholomew; Barrett Anderson 1990-7-20 5522 Modoc Tamarack Flat, E side of Warner Mts. 2150 Comment