Search Results — 2000 specimen records retrieved (1498 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
  UC1191107  Abies concolor F. H. Frost 1925-7-11 24 Modoc 2 mi above Cedarville; Warner Mts., Cedar Canyon Comment
  UCSB16  Abies concolor Haller, John 1959-8-4 Modoc 0.5 mile west of the crest of the Warner Mtns., 3 miles east of Patterson Ranger Station and Campground on road between Blue Lake and Lower Alkali Lake 2286 Comment
  CAS-BOT-BC15628  Achillea millefolium Elmer Ivan Applegate 1932-7-31 7971 Modoc Mill Creek Meadow, western slopes of Warner Mts. Comment
  CAS-BOT-BC15636  Achillea millefolium Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-15 16505 Modoc 22 mi. W of Canby along Hwy 139. Comment
  CHSC118303  Achillea millefolium L. P. Janeway 2016-5-18 12061 Modoc Modoc Plateau. Devils Garden area; junjction of Road 46N02 at Road 47N09/73/181; 2.0 air-km east of Green Spring Reservoir. 1585 Comment
  CAS-BOT-BC242286  Achnatherum Leland S. Smith 1924-5-31 1352 Modoc S of field, Egg Lake Ranch. Comment
  CAS-BOT-BC242280  Achnatherum hymenoides Burgess L. Kay 1957-6-1 s.n. Modoc 2 mi. NE of Likely. Comment
  CAS-BOT-BC242283  Achnatherum hymenoides Burgess L. Kay 1957-6-1 s.n. Modoc 2 mi. NE of Likely. Comment
  UCD32715  Achnatherum hymenoides Beecher Crampton 1954-7-7 2147 Modoc Modoc County, 3 miles west of Cedarville, east side of Cedar Pass, on volcanic slopes. 1097 Comment
  UC1025048  Achnatherum lemmonii Leo Whitney 1935-8-3 3610 Modoc Buck Creek plot Buck Creek Comment
  UCD32689  Achnatherum lemmonii Beecher Crampton 1954-7-6 2101 Modoc Modoc County, Road 56, following Shields Creek into Warner Mountains, 22 miles east of Alturas. Comment
  RSA27042  Achnatherum lemmonii var. lemmonii C. L. Hitchcock 1940-5-28 6724 Modoc near Surprise, ca. 15 miles north of Alturas 1402 Comment
  CAS-BOT-BC242320  Achnatherum lettermanii Leland S. Smith 1918-7-14 993 Modoc Mill Creek, Eagle Peak, etc. 2590 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-BC242315  Achnatherum occidentale subsp. californicum John Thomas Howell 1934-6-30 12273 Modoc Duncan Horse Camp. 1355 Comment
  UC1025060  Achnatherum occidentale subsp. pubescens Leo Whitney 1935-7-23 3569 Modoc 15 mi w Canby (Happy Camp); Modoc National Forest 1463 Comment
  UCD51435  Achnatherum thurberianum E. Wilson 1934-5-14 s.n. Modoc Pass from Alturas to Cedarville. Comment
  JEPS119559  Acmispon americanus var. americanus Lowell Ahart, John Dittes 2012-7-12 18354 Modoc In the parking area on the east side of Elkins Lane, northeast of the homestead, about 300 yards north of the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber Valley. Comment
  CAS-BOT-BC218305  Aconitum columbianum Leland S. Smith 1922-7-20 1311 Modoc Rush Creek Ranger Station. 1905 Comment
  CAS-BOT-BC218313  Actaea rubra Francis Dorris Payne 1932-7-22 743 Modoc Parker Creek. 1584 Comment
  HSC80756  Actaea rubra G. M. Riegel 1980-8-12 1034 Modoc S Warner Mtns. 2100 Comment
  UC71685  Adenocaulon bicolor Mrs. M. H. Manning 1904-8-26 312 Modoc Mill Canon; northeast Modoc County Comment
  CAS-BOT-BC218330  Adonis aestivalis Bruce Bartholomew 1995-6-4 6960 Modoc 1.1 km E of Canby on State Hwy 299. 1280 Comment
  JEPS124359  Adonis aestivalis Lowell Ahart, John Dittes 2015-7-16 20383 Modoc Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. Comment
  CAS-BOT-BC218325  Adonis aestivalis H. Rickabaugh 1971-6-25 s.n. Modoc Along Pit River, S of Canby. Comment
  SEINET9362678  Aegilops cylindrica Unknown 2002-6-24 1151611 Modoc Modoc Comment
  CHSC23445  Agastache parvifolia K. R. Stern; D. B. Joley, J. G. Geschke 1974-6-22 5831 Modoc Ca 0.5 mi w of w margin of Egg Lake. 1295 Comment
  CAS-BOT-BC179882  Agastache urticifolia Bruce Bartholomew 1991-7-6 5979 Modoc Curtis Waterhole and adjacent lava outcrops. 1310 Comment
  UC882836  Agastache urticifolia C. L. Hitchcock 1940-5-27 6704 Modoc on knoll 15 mi ne Alturas 1615 Comment
  RSA165592  Agastache urticifolia Clare B. Hardham 1961-6-18 7565 Modoc Warner Mountains, Davis Creek. 2134 Comment
  HSC81120  Ageratina occidentalis G. M. Riegel 1979-7-30 620 Modoc S Warner Mtns. 640 Comment
  CAS-BOT-BC15524  Agoseris X dasycarpa Roxana S. Ferris; Laura Lorraine 1941-8-14 10576 Modoc Three miles from Patterson Ranger Station on road to Eagleville. Warner Mountains, Modoc National Forest Comment
  CAS-BOT-BC15521  Agoseris X dasycarpa Leland S. Smith 1922-8-1 1316 Modoc Dutch Flat 1371 Comment
  CAS-BOT-BC15523  Agoseris X dasycarpa Bruce Bartholomew; B. Anderson 1988-7-22 4492 Modoc Vicinity of East Creek Trailhead, southern end of Warner Mountains 2210 Comment
  CAS-BOT-BC15525  Agoseris X dasycarpa Alice Eastwood; John Thomas Howell 1940-6-14 8250 Modoc Between Mammoth Cave and Lava Beds National Monument Comment
  HSC81033  Agoseris aurantiaca G. M. Riegel 1980-7-7 824 Modoc South Warner Mountains 2100 Comment
  UC29358  Agoseris heterophylla var. heterophylla M. S. Baker and Frank Nutting 1894-6-16 Modoc hillside near Forestdale Comment
  HSC4605  Agoseris monticola M. T. Milligan 1965-6-26 333 Modoc N end Jess Valley. 1616 Comment
  UC748132  Agoseris monticola Annie M. Alexander and Louise Kellogg 1946-7-18 5015 Modoc near Benton Meadow; Warner Mountains 2072 Comment
  CAS-BOT-BC126781  Agoseris parviflora John Thomas Howell 1934-6-14 12115 Modoc Near Lost Lake, Warner Mts. 2438 Comment
  JEPS36225  Agoseris parviflora W. L. Jepson 1918-8-13 7959 Modoc steep sagebrush hillside Eagle Peak; Warner Mts. 2286 Comment
  POM203849  Agoseris parviflora J. T. Howell 1934-6-14 12115 Modoc Near Lost Lake, Warner Mts. 2439 Comment
  CAS-BOT-BC242303  Agropyron cristatum James D. Jokerst 1983-7-27 1914 Modoc Near Signal Butte. 1248 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
  CAS-BOT-BC242377  Agrostis capillaris Bruce Bartholomew; Barrett Anderson 1988-7-21 4431 Modoc Whipple Spring, E side of Whitehorse Flat Reservoir. 1340 Comment
  CAS-BOT-BC127422  Agrostis exarata B. Bartholomew 1989-8-11 5073 A Modoc Along Lassen Creek near southeast side of Harris Flat, Warner Mountains. 1920 Comment
  CHSC115606  Agrostis exarata Lowell Ahart; John Dittes 2015-7-16 20394 Modoc North edge of Ash Creek (destroyed),_ southeast of the gravel pit (destroyed), about 1/8 mile east of the parking area on the east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  UC1025044  Agrostis exarata Leo Whitney 1935-8-19 3625 Modoc ca 15 mi nw Canby (dam Lake Joaquina); Modoc National Forest, Lake Joaquina, Hackamore 1463 Comment
  UC1025052  Agrostis exarata Leo Whitney 1935-7-24 3590 Modoc ca 15 mi nw Canby (Lake Joaquinna, Hackamore); Modoc National Forest, Lake Joaquina, Hackamore 1463 Comment
  UCD32684  Agrostis exarata Beecher Crampton 1954-7-6 2096 Modoc Modoc County, Road 56, following Shields Creek into Warner Mountains, 22 miles east of Alturas. 1676 Comment
  HSC80911  Agrostis gigantea G. M. Riegel 1980-8-28 1123 Modoc S. Warner Mountains 2100 Comment
  CAS-BOT-BC242422  Agrostis pallens Leland S. Smith 1917-7-24 108 Modoc Joseph Creek. 1889 Comment
  UC1025019  Agrostis pallens Leo Whitney 1935-7-12 3501 Modoc dry stream bed 10 mi w Canby; Cottonwood Flat Comment
  UCD53170  Agrostis pallens L. Whitney 1935-7-5 s.n. Modoc Hackamore Reservoir. Comment
  JEPS114869  Agrostis stolonifera Lowell Ahart, John Dittes 2008-8-25 15284 Modoc W bank of the Pit River, about 1/8 mi E of County Road 91, about 3.8 mi (air) N-NE of Lookout 1273 Comment
  HSC65612  Alcea rosea Thomas Wood 1979-8-10 248 Modoc Corner of Bridge and Main St., Ft. Bidwell 1378 Comment
  RSA534559  Aliciella leptomeria Bruce Bartholomew 1991-6-22 5849 Modoc E side of Surprise Valley, 9.6 km E of Eagleville at the Nevada border 1520 Comment
  UC985667  Alisma gramineum Malcolm A. Nobs and S. Galen Smith 1949-7-22 1065 Modoc bottom of dry canals at south fork of Pit River; Likely Comment
  UC524  Alisma plantago-aquatica Milo S. Baker 1893-7-25 Modoc Egg Lake Comment
  UC1100157  Alisma plantago-aquatica Herbert L. Mason 1955-8-13 14653 C Modoc s end Goose Lake Comment
  UC1100158  Alisma plantago-aquatica Herbert L. Mason 1955-8-13 14651 B Modoc s end 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
  CAS-BOT-BC245019  Allium acuminatum Barrett Anderson 1986-7-10 3204 Modoc West Warner Rd just S of the N Fork of Fitzhugh Creek. 1980 Comment
  SEINET8111980  Allium acuminatum M. J. Williams 1984-1 Modoc Comment
  CAS-BOT-BC244995  Allium bisceptrum var. bisceptrum Leland S. Smith 1920-7-31 1190 Modoc Patterson Mill. 2133 Comment
  JEPS47580  Allium lemmonii Frances D. Payne 1932-6-10 533 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  SJSU9927  Allium lemmonii H. L. Buckalew 1961-6-24 Modoc Stough (""Stowe"") Reservoir c. 1 mi N of Cedar Pass onAlturas-Cedarville Rd Comment
  SBBG859  Allium parvum H. and M. Dearing 1939-6-9 3634 Modoc near Squaw Peak, Warner Mtns 2133 Comment
  CAS-BOT-BC244969  Allium platycaule James Vale; et al 1981-5-23 4112 Modoc Between Canby and Adin near Pit River bridge. 1280 Comment
  CAS-BOT-BC244971  Allium platycaule Francis Dorris Payne 1929-6-12 3 Modoc Parker Creek. 1584 Comment
  JEPS47621  Allium platycaule L. S. Smith 1843-1 1123 Modoc near Cedarville; Deep Creek 1828 Comment
  RSA17437  Allium platycaule Elmer I. Applegate 1932-8-1 8060 Modoc Summit of the Warner Mountains, at south base of Warren Peak. Comment
  RSA249354  Allium platycaule D. H. Norris, T. Nelson, S. Dowty 1971-6-23 19473 Modoc At Upper Rush Creek Campground about 8 miles north of Adin on Highway 299. Comment
  HSC81151  Allium platycaule G. M. Riegel 1980-8-13 1056 Modoc South Warner Mtns. 1829 Comment
  UC1585398  Allium platycaule R. Raiche and K. Zadnik 1989-7-4 90182 Modoc near Oregon border; Warner Mts., Dismal Swamp area 2010 Comment
  CHSC117801  Allium tolmiei var. tolmiei L. P. Janeway 2016-5-16 11971 Modoc Modoc Plateu. Devil's Garden area; along Road 47N07 1.8 road-km south of Road 181/73/47N09. 1573 Comment
  HSC30083  Allium tolmiei var. tolmiei D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-22 19314 Modoc Soup Springs Campground 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
  CAS-BOT-BC242345  Alopecurus aequalis Isabelo T. Kelly 1930-1-1 23 Modoc Modoc County. Comment
  RSA26257  Alopecurus aequalis Alice Eastwood, J. T. Howell 1940-6-12 8088 a Modoc Jess Valley Comment
  UC1100228  Alopecurus aequalis Herbert L. Mason 1947-8-13 13520 Modoc n. of Canby (n.e. side of F reservoir) Comment
  CAS-BOT-BC242335  Alopecurus geniculatus Bruce Bartholomew 1990-6-17 5307 Modoc Vicinity of Emerson Camp near roadhead, E side of Warner Mts. 1750 Comment
  UCD55890  Alopecurus geniculatus A. L. Hormay 1941-6-23 36 Modoc Modoc National Forest, Spaulding Reservoir. Comment
  UCD55818  Alopecurus saccatus L. D. Whitney 1935-7-12 s.n. Modoc Hackamore Reservoir. Comment
  HSC103170  Alyssum desertorum R. W. Tate, K. Ludwig 2014-3-19 1403 Modoc Modoc National Forest, Devil's Garden RD, Reservoir C parking area. 1513 Comment
  CHSC117243  Amaranthus californicus Lowell Ahart; John Dittes 2016-7-16 21253 Modoc Strand of the second pond, south of Ash Creek Canal (now filled in), south of Ash Creek, Ash Creek State Wildlife Area, 0.79 miles (air) south of County Road 87, 1.75 miles (air) west of Adin, Big Valley. 1273 Comment
  CHSC71843  Amaranthus californicus Vernon H. Oswald; Lowell Ahart 1998-9-8 9598 Modoc Mosquito Lake on the north side of Whitehorse Flat Reservoir ca. 20 air mi north of McArthur. 1341 Comment
  JEPS117299  Amaranthus californicus Lowell Ahart, John Dittes 2010-8-31 17106 Modoc About 10 yards west of Elkins Lane, about 150 yards north of the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley 1274 Comment
  CHSC99903  Amaranthus powellii Lowell Ahart; John Dittes 2008-8-25 15290 Modoc On the west bank of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout. 1273 Comment
  RSA260414  Amelanchier pallida C. Leo Hitchcock 1940-5-27 6701 Modoc 15 miles NE of Alturas. 1677 Comment
  RSA59741  Amelanchier pallida E. K. Balls 1950-5-20 147790 Modoc South Fork Public Camp, South Fork Pit River, Likely to Clear Lake. 1433 Comment
  CAS-BOT-BC214628  Amelanchier utahensis Bruce Bartholomew; Barrett Anderson 1988-5-13 4174 Modoc 0.6 km N of Jess Valley on West Warner Road, W side of the Warner Mts.. 1620 Comment
  CAS-BOT-BC214634  Amelanchier utahensis Alice Eastwood; John Thomas Howell 1940-6-13 8122 Modoc Near Davis Creek. Comment
  CAS-BOT-BC214637  Amelanchier utahensis Belknap C. Goldsmith 1911-5-9 8 Modoc Fandango Creek, W slope Warner Mts. 1584 Comment
  CAS-BOT-BC217085  Amelanchier utahensis Isabelo T. Kelly 1930-1-1 6 Modoc Fort Bidwell Comment
  CAS-BOT-BC217100  Amelanchier utahensis John Thomas Howell 1934-6-12 12040 Modoc N side of Fandango Valley. Comment
  UC914261  Amelanchier utahensis Verne Grant and Alva Grant 1947-7-8 8006 Modoc Cedar Pass; Warner Mts. Comment
  UCD48756  Amphiscirpus nevadensis Herbert L. Mason; Verne Grant 1947-7-12 13436 Modoc Corporation Ranch Headquarters, north of Likely. Comment
  CHSC85172  Amsinckia menziesii John Dittes; Josephine Guardino 1991-7-21 393 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
  SBBG117357  Amsinckia menziesii S. Martin 1990-4-21 12 Modoc Modoc Plateau; T44N, R11E, NW/4, SW/4, S8 Comment
  UCD119739  Amsinckia menziesii Verne Grant; Irving Schneider 1947-7-18 8044 Modoc Eastside Canal, 5 miles north of Bayley's bridge, south of Alturas. Comment
  RSA0079999  Amsinckia retrorsa E. K. Balls 1950-5-15 14695 Modoc 14.8 mi. west of Alturas, Hwy. 299. 1341 Comment
  CAS-BOT-BC54159  Amsinckia tessellata var. tessellata Alice Eastwood; John Thomas Howell 1940-6-13 8162 Modoc Fort Bidwell. Comment
  UC1061759  Amsinckia tessellata var. tessellata M. H. Mitchell 1936-5-21 48 Modoc 2 mi se Hospital Rock; Modoc Lava Beds National Monument 1249 Comment
  UC1540003  Amsinckia tessellata var. tessellata M. Mitchell 1936-5-21 48 Modoc 2 mi se of Hospital Rock; Lava Beds National Monument 1249 Comment
  SEINET6735045 Image available Antennaria argentea M. S. Baker 1893-1 s.n. Modoc Egg Lake Comment
  HSC26518  Antennaria dimorpha J. P. Smith, J. O. Sawyer 1972-5-6 5245 Modoc County Rd. 86, just E of Adin. 1098 Comment
  JEPS5979  Antennaria dimorpha Frances D. Payne 1932-6-26 603 Modoc s and e of, (high ridges n of Parker Creek) Alturas; Warner Mountains, Parker Creek 1828 Comment
  POM40362  Antennaria geyeri Mrs. R. M. Austin 1895-08 s.n. Modoc Sugar Hill, Goose lake Valley Comment
  RSA164371  Antennaria luzuloides Clare B. Hardham 1961-6-18 7556 Modoc Cedar Pass. 1829 Comment
  RSA416691  Antennaria luzuloides Christopher Davidson 1973-5-26 2128 Modoc 4 miles W of Canby on Hwy 299. 1341 Comment
  UC1037300  Antennaria luzuloides Leo Whitney 1934-5-18 1631 Modoc Devil's Garden, (ne portion of county) Modoc National Forest, Devil's Garden 1524 Comment
  SEINET11841736  Antennaria luzuloides A. Seneres, Harold, N. 1983-1 107 Modoc Warner Mountains Comment
  CHSC100357  Anthemis cotula Lowell Ahart; John Dittes 2008-8-26 15356 Modoc Southeast side of Rose Creek, 700 feet southwest of confluence of Rose Creek and Pit River, on the northwest side of unnamed road, northeast of wire gate, 2710 feet east of intersection with County Road 85a, 9.3 miles (air) north-northeast of Lookout. 1276 Comment
  CAS-BOT-BC242414  Apera interrupta Peter Hamilton Raven; Otto Thomas Solbrig 1958-6-17 13307 Modoc Along Hwy 299, 2.6 mi. W of Alturas. Comment
  JEPS118258  Apera interrupta Lowell Ahart, John Dittes 2011-6-22 17549 Modoc On the west side of the road, about 100 yards north of the Pilot Butte Parking Lot, north edge of Ash Creek Floodplain, 1.1 miles (air) south of County road 87, 7.7 miles (air) west of Adin, 10 miles (air) east of Lookout, Big Valley 1264 Comment
  HSC3212  Apocynum androsaemifolium M. T. Milligan 1965-6-30 382 Modoc E of Jess Valley 1677 Comment
  HSC65591  Apocynum androsaemifolium Thomas Wood 1979-8-9 226 Modoc Dirt rd. along Bidwell Creek, 2.7 mi. NW of junction with Co. Hwy. 2, N of Ft. Bidwell 1509 Comment
  RSA503044  Apocynum androsaemifolium subsp. pumilum K. Paulson, R. Paulson 1988-7-13 77 Modoc Clear Lake area, Warner Mountains 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-BC218333  Aquilegia formosa var. formosa Annie Montague Alexander; L. Kellogg 1946-7-7 4944 Modoc Eight Mile Creek, NE corner of county. 1752 Comment
  CAS-BOT-BC218340  Aquilegia formosa var. formosa Leland S. Smith 1920-7-13 1176 Modoc Grizzley's. 1554 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
  UC10399 Image available Arabis davidsonii Mrs. C. C. Bruce Jun 1892 2250 Modoc Lake City mt Comment
  UC1504427  Arabis holboellii var. pendulocarpa Reed C. Rollins and Kathryn W. Rollins 1981-6-1 81194 Modoc ca 2 mi n of summit of road between Lake City and U.S. Hwy. 395; Warner Mountains Comment
  HSC6561  Arabis lemmonii M. T. Milligan 1965-7-10 440 Modoc W slope of Eagle Peak 3016 Comment
  SEINET3237275 Image available Arabis lemmonii Louise Kellogg, Annie M. Alexander 1946-7-30 5095 Modoc Eagle Peak, Warner Mountains. East slope below summit. Comment
  HSC81062  Arabis platysperma G. M. Riegel 1980-9-3 1140 Modoc S Warner Mtns. 1829 Comment
  NY119623  Arabis sparsiflora var. subvillosa R. C. Rollins 1981-6-1 81187 Modoc Near Cedar Pass, between Cedarville and Alturas Comment
  CAS-BOT-BC95652  Arctostaphylos patula Louis Cutter Wheeler 1935-9-16 3987 Modoc Everly Reservoir, Devil's Garden. 1524 Comment
  CAS-BOT-BC95656  Arctostaphylos patula Louis Cutter Wheeler 1935-9-16 3987 Modoc Everly Reservoir, Devil's Garden. 1524 Comment
  CAS-BOT-BC95661  Arctostaphylos patula C. C. (Mrs.) Bruce 1894-5-1 71 Modoc Willow Ranch. Comment
  RSA520453  Arctostaphylos patula Bruce Bartholomew, B. Anderson, Bartholomew 1989-4-27 4613 Modoc 2.1 km SSE of Day on road to State Highway 299. 1020 Comment
  UC51493  Arenaria aculeata Frances D. Payne 1932-6-26 602 Modoc s and e Alturas (High ridges north of Parker Creek); Warner Mountains, Parker Creek 1828 Comment
  UC585238  Arenaria aculeata E. B. Babcock, G. L. Stebbins Jr. 1936-6-9 1817 Modoc about 3 mi w Cedarville; Warner Mountains,Cedar Creek Canyon 1524 Comment
  RSA520446  Arenaria congesta Bruce Bartholomew, B. Anderson 1990-7-20 5458 Modoc 4 km N of Buck Creek Ranger Station at turn off to Del Prat Spring, W side of Warner Mts. 1900 Comment
  RSA610004  Arenaria nuttallii subsp. nuttallii L. C. Wheeler 1935-8-5 3786 Modoc Yellow Mt., Warner Mts. 2439 Comment
  SEINET7595863 Image available Aristida oligantha Louis C. Wheeler 1935-1 3959 Modoc Fletcher Creek at Pease Place, Devils Garden Comment
  UC29621  Arnica chamissonis Mrs. R. M. Austin and Bruce 1898-6-1 2174 Modoc Lake Annie; ; Lake Annie, Modoc Co. Comment
  UC711923  Arnica chamissonis Roxana S. Ferris and Laura Lorraine 1941-8-13 10570 Modoc 1 mi e Patterson Ranger Station; Warner Mountains, Modoc National Forest Comment
  CAS-BOT-BC15569  Arnica chamissonis subsp. foliosa Bruce Bartholomew 1989-7-15 4992 Modoc Sweagert Flat. 1860 Comment
  CAS-BOT-BC27547  Arnica chamissonis subsp. foliosa C. C. (Mrs.) Bruce 1898-6-1 2174 Modoc Lake Annie Comment
  POM30441  Arnica cordifolia Mrs. R. M. Austin 1895-07 s.n. Modoc Goose Lake Valley. Comment
  SJSU5434  Arnica cordifolia H. L. Buckalew 1961-6-21 Modoc Stough Reservoir, Warner Mts 1981 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
  SEINET6775094 Image available Arnica mollis D. A. Charlet 1989-8-14 476 Modoc Warner Mountains, 1.4 km northwest of Eagle Peak, at spring 2550 Comment
  UC91032  Arnica parryi Mrs. R. M. Austin 1894-8-1 309 Modoc Lassen Creek Comment
Read comments
Feb 28 2007
  CHSC115055  Arnica sororia Jessica O'Brien 2014-9-24 Modoc 1364 Comment
  UC1584014  Arnica sororia G. Schoolcraft 1990-6-7 2082 Modoc 12 mi ne Alturas; Joseph Creek 1615 Comment
  JEPS37038  Artemisia arbuscula subsp. arbuscula L. S. Smith 1918-8-27 1054 1/2 Modoc Cottonwood and Milk Creek Modoc National Forest 2438 Comment
  UC711896  Artemisia cana subsp. bolanderi Roxana S. Ferris and Laura Lorraine 1941-8-13 10562 Modoc Patterson Ranger Station Modoc National Forest, Warner Mountains 2164 Comment
  SEINET8253630  Artemisia ludoviciana Richard R. Halse 2006-8-4 6994 Modoc Modoc National Forest, Patterson Station Campground, ca. 15 air miles east of Likely, south end of the Warner Mountains. 2109 Comment
  SEINET7153178 Image available Artemisia ludoviciana subsp. incompta R. R. Halse 2006-8-4 6994 Modoc Patterson Station Campground, ca. 15 air miles east of Likely, south end of Warner Mountains. 2109 Comment
  CAS-BOT-BC15269  Artemisia ludoviciana subsp. ludoviciana Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10566 Modoc East Creek ca. 1 mi. E of Patterson Ranger Station. Comment
  RSA0039540  Artemisia ludoviciana subsp. ludoviciana Lowell A. Ahart, John Dittes 2008-8-25 15278 Modoc On the west bank of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout. 1273 Comment
  CAS-BOT-BC15209  Artemisia tridentata subsp. tridentata James D. Jokerst 1983-7-27 1910 Modoc Near Signal Butte. 1340 Comment
  HSC81038  Artemisia tridentata subsp. tridentata G. M. Riegel 1979-7-28 615 Modoc South Warner Mountains 1739 Comment
  UC71705  Artemisia tridentata subsp. tridentata Mrs. M. H. Manning Sep 1 1902-Oct 1 1902 30 Modoc near Fort Bidwell Comment
  SEINET3397748  Artemisia tridentata subsp. vaseyana Unknown 1994-1 s.n. Modoc 10 mi. S. of Newell Comment
  RSA503236  Asclepias cordifolia Bruce Bartholomew, B. Anderson 1988-7-21 4463 Modoc Vincinity of Patterson Campground, southern end of Warner Mountains. 2190 Comment
  CAS-BOT-BC54126  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
  RSA415789  Astragalus californicus Christopher Davidson 1975-6-4 2627 Modoc Canby Bridge across Pit R., ca. 4 mi. S of Canby on Hwy 299. 1341 Comment
  CAS-BOT-BC218220  Astragalus curvicarpus var. curvicarpus Bruce Bartholomew 1993-6-14 6674 Modoc Vicinity of Badger Well. 1500 Comment
  CAS-BOT-BC218223  Astragalus curvicarpus var. curvicarpus James D. Jokerst 1983-5-31 1813 Modoc Near Signal Butte. 1340 Comment
  NY803533  Astragalus curvicarpus var. curvicarpus A. J. Cronquist 1959-6-21 8530 Modoc Sagebrush slopes on the east side of the Warner Mountains below Fandango Pass 1524 Comment
  UC71809  Astragalus curvicarpus var. curvicarpus Mrs. M. H. Manning May, 1903 132 Modoc near Mt. Bidwell (north-eastern Modoc County); near Mt. Bidwell Comment
  CAS-BOT-BC218215  Astragalus curvicarpus var. curvicarpus Amos Arthur Heller 1938-6-24 15225 Modoc Roadside between Alturas and Canby. Comment
  SEINET7103955  Astragalus curvicarpus var. curvicarpus Margaret J. Williams 1984-6-29 84- 74 -1 Modoc 4.8 mi in on Fandango Pass road from Hwy 395.; 0 1524 Comment
  UC727152  Astragalus curvicarpus var. curvicarpus A. A. Heller 1938-6-24 15225 Modoc on banks along U.S. Highway #299 between Alturas and Canby; between Alturas and Canby 1341 Comment
  CAS-BOT-BC182064  Astragalus filipes Leland S. Smith 1919-6-8 1126 Modoc Deep Creek above station. 1676 Comment
  CAS-BOT-BC182067  Astragalus filipes Francis Dorris Payne 1932-6-22 580 Modoc Parker Creek. 1584 Comment
  CAS-BOT-BC182070  Astragalus filipes Elmer Ivan Applegate 1897-5-31 881 Modoc Bloody Point, E side of Tule Lake. Comment
  CAS-BOT-BC182073  Astragalus filipes James D. Jokerst 1983-5-31 1805 Modoc Near Signal Butte. 1340 Comment
  CAS-BOT-BC182076  Astragalus filipes Bruce Bartholomew 1991-6-20 5774 Modoc Junction of county roads 87 and 90. 1220 Comment
  RSA163781  Astragalus filipes Clare B. Hardham 1961-6-19 7838 Modoc Davis creek. 1677 Comment
  UC13365  Astragalus filipes Mrs. R. M. Austin and Bruce June 1898 2208 Modoc Plains Goose Lake Valley Comment
  UC585106  Astragalus filipes E. B. Babcock, G. L. Stebbins Jr. 1936-6-9 1799 Modoc hill above Lake City; hill above Lake City 1524 Comment
  POM204050  Astragalus filipes J. T. Howell 1934-6-13 12086 Modoc Surprise Valley, 10 miles s. of Ft. Bidwell. Comment
  RSA0029193  Astragalus filipes John F. Emmel 1997-6-8 1493 Modoc Along Hwy 395 ca. 5.5 road mi south of Alturas, 0.6 road mi south of highway crossing of South Fork Pit River. 1341 Comment
  RSA152721  Astragalus filipes I. L. Wiggins, Dorothy B. Wiggins 1961-6-12 16433 Modoc S facing slope 4 miles E of summit of Cedar Pass, betw Alturas and Cedarville Comment
  SEINET948297  Astragalus filipes Ira L. Wiggins 1967-1 16433 Modoc South-facing slope 4 miles E of summit of Cedar Pass, between Alturas and Caderville Comment
  SD61010  Astragalus gibbsii Darley F. Howe 1964-8-1 3910 Modoc 11 miles south of Alturas on Hwy 395 1280 Comment
  CAS-BOT-BC182052  Astragalus malacus Bruce Bartholomew 1995-5-13 6911 Modoc 4.8 km W of Eagleville, E side of the S end of Surprize Valley. 1480 Comment
  NY676230  Astragalus malacus Mrs. M. H. Manning 05 1907 s.n. Modoc Warren Range Comment
  CAS-BOT-BC182048  Astragalus obscurus Bruce Bartholomew 1991-5-24 5740 Modoc Near NW side of Big Mud Lake and 2 km SW of Nevada State boundary. 1680 Comment
  CAS-BOT-BC182042  Astragalus purshii Bruce Bartholomew 1991-5-25 5751 Modoc Ca. 6 km NW of Tionesta on road to Lava Beds National Monument. 1310 Comment
  CAS-BOT-BC182024  Astragalus purshii J. F. Emmel 1968-7-16 84 Modoc NW slope of Mt. Bidwell, Warner Mts. Comment
  CAS-BOT-BC182032  Astragalus purshii Elmer Ivan Applegate 1935-6-7 9392 Modoc Sheepherders Road, Lava Beds National Monument. Comment
  HSC71402  Astragalus purshii var. purshii J. P. Smith, J. O. Sawyer 1972-5-6 5266 Modoc Along Hwy. 299, 4 mi. W of Modoc County Rd. 58, E of Alturas 1494 Comment
  UC71811  Astragalus purshii var. tinctus Mrs. M. H. Manning 1903-5 97 Modoc near Fort Bidwell (north-eastern Modoc County); near Fort Bidwell Comment
  UCD105278  Astragalus purshii var. tinctus Geo. C. Wood 1940-4-25 s.n. Modoc Fleming Ranch, s.e. end of Goose Lake. 1524 Comment
  UC1036002  Astragalus purshii var. tinctus Helen K. Sharsmith 1955-6-22 4483 Modoc just n Cedar Pass (on exposed, steep slope); Modoc National Forest, Warner Mountains 1889 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
  RSA534616  Astragalus whitneyi Bruce Bartholomew 1991-5-25 5757 Modoc Turner Creek at County Rd. 90, N end of Big Valley, 6.4 km N of Lassen County line. 1230 Comment
  CAS-BOT-BC27735  Astragalus whitneyi var. confusus Harry Dwight Dillon Ripley; Rupert Charles Barneby 1944-5-31 5992 Modoc Mesa NW of Alturas 1371 Comment
  HSC75574  Astragalus whitneyi var. confusus G. M. Riegel 1980-6-25 773 Modoc South Warner Mtn. 1829 Comment
  CAS-BOT-BC181988  Astragalus whitneyi var. lenophyllus Bruce Bartholomew 1995-8-1 7163 Modoc Bidwell Mtn., E side of the Warner Mountains. 2150 Comment
  CAS-BOT-BC182004  Astragalus whitneyi var. lenophyllus Edward Kent Balls 1950-5-10 15964 Modoc 0.5 mi. past fork of Hwy 395 and road from Altuas to Cedarville. 1584 Comment
  CAS-BOT-BC182012  Astragalus whitneyi var. lenophyllus C. L. Hitchcock 1940-5-27 6693 Modoc 15 mi. NE of Alturas. 1615 Comment
  POM260740  Astragalus whitneyi var. siskiyouensis Alice Eastwood, John T. Howell 1940-6-11 8011 Modoc 6 miles NE of Adin on road to Canby. Comment
  SEINET6627113  Athyrium distentifolium var. americanum D. A. Charlet 1989-8-18 565 Modoc Warner Mountains, 3.7 km north of Eagle Peak 2682 Comment
  CAS-BOT-BC17521  Athysanus pusillus B. Bartholomew 1991-6-21 5821 Modoc Vicinity of Drift Fence Tank, 2 km south of Forest Service road 73 on road to Rim Rock Valley. 1580 Comment
  CAS-BOT-BC17523  Athysanus pusillus B. Bartholomew 1995-5-12 6900 Modoc Near northeast side of Day Rock above Little Hot Spring Valley. 1250 Comment
  CHSC106320  Atriplex argentea var. argentea Lowell Ahart; John Dittes 2010-8-31 17137 Modoc About 400 yards west of Elkins Lane and the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  JEPS117501  Atriplex argentea var. argentea Lowell Ahart, John Dittes 2010-8-31 17137 Modoc About 400 yards west of Elkins Lane and the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley 1267 Comment
  CAS-BOT-BC95505  Atriplex confertifolia Bruce Bartholomew 1989-8-11 5079 Modoc E side of Surprise Valley at Nevada border on State Hwy 299. 1500 Comment
  UCD97316  Atriplex confertifolia Beecher Crampton; Carl Rimbey 1954-7-7 2153 Modoc 7 miles east of Cedarville. Comment
  UCD97671  Atriplex rosea Herbert L. Mason 1947-8-9 13485 Modoc on east side of Fairchild Swamp, north of Alturas. Comment
  POM312955  Azolla filiculoides Herbert L. Mason 1947-8-12 13503 Modoc Junction of North and South forks of Pit River, Alturas. 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-BC15143  Balsamorhiza X terebinthacea Alice Eastwood; John Thomas Howell 1940-6-12 8079 Modoc Jess Valley. Comment
  CAS-BOT-BC100052  Balsamorhiza hookeri M. S. Baker; Frank Nutting June 8 s.n. Modoc near Egg Lake Comment
  CAS-BOT-BC218200  Balsamorhiza hookeri John H. Hatton 1911-6-9 1 Modoc Modoc County - Modoc National Forest 1356 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-BC15137  Balsamorhiza sagittata Leland S. Smith 1919-5-8 1095 Modoc Clarke Ranch, Jess Valley, Modoc National Forest 1706 Comment
  CAS-BOT-BC15199  Balsamorhiza sagittata Lindsay Stuart Smith; E. H. Steffen 1917-6-2 29 Modoc Jess Valley, Modoc National Forest 1524 Comment
  CAS-BOT-BC106461  Balsamorhiza sagittata John H. Hatton 1911-6-10 15 Modoc Modoc National Forest 1767 Comment
  CAS-BOT-BC15141  Balsamorhiza serrata Bruce Bartholomew 1994-5-15 6695 Modoc Poison Spring Canyon near junction with Schamp Creek. Ca. 8 km E of Fort Bidwell. 1480 Comment
  JEPS53242  Barbarea orthoceras Frances D. Payne 1931-6-22 237 Modoc s and e of Alturas (Dry Creek, tributary of Parker Creek); Warner Mountains, Parker Creek, Dry Creek 1828 Comment
  RSA624497  Bassia hyssopifolia L. C. Wheeler 1935-10-10 4035 Modoc Alturas. 1356 Comment
  RSA210785  Beckmannia syzigachne R. F. Thorne, J. Henrickson, C. W. Tilforth 1969-9-4 39091 Modoc 3.4 mi N of Alturas where crossed by Hwy 395; N Fork of Pit River. 1067 Comment
  UC70671  Beckmannia syzigachne Mrs. M. H. Manning 1903-6-1 408 Modoc north-eastern Modoc County Comment
  UCD56800  Beckmannia syzigachne L. Whitney 1935-7-7 3403 Modoc Howard Gulch. Comment
  UC472310  Berberis aquifolium var. aquifolium Franklin P. Nutting 1890-1 Modoc Big Valley Mts Comment
  HSC29982  Berberis aquifolium var. repens D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19457 Modoc Upper Rush Creek Campground, about 8 mi. N of Adin on Hwy. 299 Comment
  UCSB18053  Berberis aquifolium var. repens Haller, John 1962-6-8 Modoc Vicinity of Cave Lake, 1 mile west of Summit of New Pine Creek-Fort Bidwell Road, Warner Mountains 2072 Comment
  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
  CAS-BOT-BC21487  Berula erecta Bruce Bartholomew 1991-10-13 6122 Modoc Just N of Surprise Valley Mineral Hot Springs, ca. 8 km W of Cedarville, Surprise Valley. 1320 Comment
  UC1583943  Berula erecta G. Schoolcraft 1990-7-11 2105 Modoc about 2 mi w of West Valley Reservoir 1493 Comment
  JEPS58646  Betula glandulosa L. S. Smith 1917-7-29 886 Modoc bog below Bald Mt. 2011 Comment
  NY526244  Betula glandulosa L. C. Wheeler 1935-8-15 3858 Modoc Dismal Swamp, Twenty Mile Creek, Warner Mountains 2225.0 Comment
  NY526322  Betula occidentalis B. M. Bartholomew 1993-5-10 6468 Modoc Along Emerson Creek below Emerson Campground, east side of Warner Mountains 1600 Comment
  RSA584832  Betula occidentalis Bruce Bartholomew, M. Gilbert, L. Skog 1993-5-10 6468 Modoc Along Emerson Creek below Emerson Campground, E side of Warner Mountains. 1600 Comment
  JEPS58649  Betula occidentalis L. S. Smith 1918-8-18 1075 Modoc below Mosquito Creek Ranger Station; East Creek Comment
  CAS-BOT-BC498654  Betula pumila L. S. Smith 1917-7-29 127 Modoc Modoc Forest: Bald Mt. 2346 Comment
  CAS-BOT-BC15145  Bidens cernua var. cernua John Thomas Howell 1934-7-2 12354 Modoc Nigger Ben Spring, SE end of Clear Lake. Comment
  CAS-BOT-BC15148  Bidens cernua var. cernua Robert Folger 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-BC218109  Bistorta bistortoides Elmer Ivan Applegate 1932-8-3 8140 Modoc W slope of Eagle Peak, Warner Mts. Comment
  HSC41116  Blepharipappus scaber Thomas W. Nelson, Jane P. Nelson, James Nelson 1976-8-29 3250 Modoc Modoc National Forest; along Hwy. 299 just N west of Adin Pass 1524 Comment
  JEPS5983  Blepharipappus scaber Frances D. Payne 1929-6-28 28 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  SBBG7809  Blepharipappus scaber D. D. Keck, J. Clausen 1935-6-24 3711 Modoc ca. 3 mi NE of Willow Ranch, E of Goose Lake 1550 Comment
  CAS-BOT-BC128043  Blepharipappus scaber David D. Keck; J. Clausen 1935-6-24 3725 Modoc 5 mi. S. of Likely 1402 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
  RSA424434  Blepharipappus scaber Margaret J. Williams 1984-7-1 84- 85 -4 Modoc Northwest of Alturas, 2.1 miles north of highway on the Crowder Flat road. 1372 Comment
  RSA520374  Blepharipappus scaber Bruce Bartholomew, B. Anderson 1989-6-1 4735 Modoc Ca. 0.5 km S of State Hwy 299 on road to Shaker Spring. 1420 Comment
  UC71684  Blepharipappus scaber Mrs. M. H. Manning 1904-8-22 300 Modoc Warner Range 1981 Comment
  CAS-BOT-BC497312  Boechera holboellii Belknap C. Goldsmith 1912-5-15 72 Modoc Parker Creek, Warner Mts. 1676 Comment
  UC748071  Boechera lemmonii Annie M. Alexander and Louise Kellogg 1946-7-30 5095 Modoc e slope below summit Eagle Peak; Warner Mountains Comment
  CHSC26595  Boechera pauciflora L. Mayer 1974-1-1 Modoc Along Emerson Ck. ca. 200 yds from where road crosses creek. Comment
  CAS-BOT-BC100298  Boechera puberula Roxana Stinchfield Ferris; R. Duthie 1919-6-14 65 Modoc Above Parker Creek, near Nat. Forest Boundary. Comment
  CAS-BOT-BC58658  Boechera puberula Gordon H. True 1964-6-3 1434 Modoc No. Fork Pit River between Alturas and Goose Lake. 1432 Comment
  CAS-BOT-BC25526  Boechera retrofracta Clare B. Hardham 1961-6-19 7591 Modoc Warner Mountains. Davis Creek. 2133 Comment
  CAS-BOT-BC25531  Boechera retrofracta John Thomas Howell 1934-6-14 12143 Modoc Warner Mountains. Near Lost Lake. 2438 Comment
  CAS-BOT-BC25533  Boechera retrofracta B. Bartholomew; B. Anderson 1988-5-13 4178 Modoc West side of the Warner Mountains. Juniper Flats, 10 km east of Likely on road to Jess Valley. 1450 Comment
  CAS-BOT-BC25535  Boechera retrofracta B. Bartholomew 1990-6-18 5361 Modoc 1.6 mile south of Davis Creek on Highway 395. 1450 Comment
  OBI7983  Boechera sparsiflora Rhonda Riggins 1989-4-28 1656 Modoc Pencil Rd 4.1 mi N of hwy 395 E of Alturas. T43N R12E, sec 24 Comment
  RSA0128802  Boechera sparsiflora Bruce Bartholomew, B. Anderson 1988-5-13 4145 Modoc Along Parker Creek Road, at the border of Modoc National Forest and 16 km WSW of Alturas, side of the Warner Mtns. 1580 Comment
  RSA210868  Boisduvalia glabella Robert F. Thorne, J. Henrickson, C. W. Tilforth 1969-9-4 39122 Modoc N Fork of Pit River 3.4 mi N of Alturas where crossed by Highway 395. 1341 Comment
  POM254492  Boisduvalia macrantha Alice Eastwood, John Thomas Howell 1940-6-13 8126 Modoc Near Davis Creek. Comment
  UC70020  Bolboschoenus maritimus Mrs. M. H. Manning August 1903 436 Modoc north-eastern Modoc County Comment
  RSA608268  Brickellia grandiflora L. C. Wheeler 1935-8-14 3847 Modoc Lily Lake, Pine Creek, Warner Mountains. 2073 Comment
  CAS-BOT-BC242402  Bromus briziformis Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16374 Modoc Junction of Cedar Pass road and Hwy 299, 5.5 mi. N of Alturas. Comment
  CAS-BOT-BC242447  Bromus briziformis Margaret J. Williams; et al 1988-6-2 88- 28 -1 Modoc Jess Valley, E of Likely, S of roadside rest. Comment
  CAS-BOT-BC242434  Bromus carinatus var. carinatus Leland S. Smith 1917-7-17 84 Modoc Deep Creek. 2042 Comment
  CAS-BOT-BC242444  Bromus carinatus var. carinatus Bruce Bartholomew 1990-8-5 5668 Modoc Summit Trail, ca. 3 km N of Patterson Ranger Station, W side of Warner Mts. 2440 Comment
  CAS-BOT-BC242475  Bromus carinatus var. carinatus Bruce Bartholomew; Barrett Anderson 1990-7-20 5473 Modoc 10.3 km N of Buck Creek Ranger Station, crest of Warner Mountains W side of Warner Mts. 2130 Comment
  JEPS69160  Bromus carinatus var. carinatus Leland S. Smith 1918-6-24 Modoc Modoc National Forest, Pine Creek Pine Creek; Modoc National Forest, Pine Creek 2286 Comment
  UC1024864  Bromus carinatus var. carinatus Leo Whitney 1935-5-30 3162 a Modoc 18 mi wnw of Canby (Hole-in-the-rock); Hole-in-the-rock Comment
  UCD59153  Bromus carinatus var. marginatus August L. Hormay 1932-7-16 s.n. Modoc Modoc National Forest, Crowder Ranger Station. Comment
  CAS-BOT-BC310315  Bromus carinatus var. marginatus Gregg M. Riegel 1979-7-23 579 Modoc Unspecified 2979 Comment
  UCD58452  Bromus commutatus A. A. Beetle 1941-6-29 2837 Modoc South slope of Mount Adin. Comment
  CAS-BOT-BC242468  Bromus hordeaceus Bruce Bartholomew; Barrett Anderson 1988-6-23 4220 A Modoc 2.1 km SSE of Day on the road to State Highway 299. 1020 Comment
  CHSC100012  Bromus inermis subsp. inermis Lowell Ahart; John Dittes 2008-8-25 15281 Modoc On the west bank of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout. 1273 Comment
  CAS-BOT-BC242462  Bromus japonicus Bruce Bartholomew; Barrett Anderson 1988-6-23 4219 Modoc 2.1 km SSE of Day on the road to State Highway 299. 1020 Comment
  RSA534604  Bromus japonicus Bruce Bartholomew 1989-7-14 4922 Modoc Along Rush Creek between Lower and Upper Rush Creek Campgrounds 1520 Comment
  UC1024999  Bromus japonicus Leo Whitney 1935-7-7 3384 Modoc 4 mi nw of Canby (Howard Gulch); Howard Gulch Comment
  UCD32726  Bromus japonicus Beecher Crampton 1954-7-7 2164 Modoc Modoc County, 2.5 miles east of Alturas, near radio station KCNO. Comment
  UC1025047  Bromus japonicus Leo Whitney 1935-8-10 3612 Modoc Pit River, Alturas Alturas; Pit River, Alturas Comment
  HSC80909  Bromus orcuttianus G. M. Riegel 1978-8-24 146 Modoc South Warner Mountains 509 Comment
  UCD59057  Bromus orcuttianus A. A. Beetle 1944-8-15 3033 Modoc N of Lookout. Above Happy Camp Ranger Station. Comment
  SEINET231888 Image available Bromus racemosus Unknown 1985-6-23 8599 Modoc Modoc Plateau at the western extension of the Great Basin, between Beeler and Duncan reservoirs north of Canby, near highway 139 1311 Comment
  CAS-BOT-BC242454  Bromus tectorum Alan Ackerman Beetle 1941-6-29 2823 Modoc 15 mi. E of Alturas, road to Cedarville Pass. 1981 Comment
  UCD60048  Bromus tectorum var. nudus E. Wilson 1934-5-14 s.n. Modoc Over pass from Alturas to Cedarville. Comment
  CAS-BOT-BC95091  Callitriche heterophylla var. bolanderi Robert Folger Thorne; C. W. Tilforth 1969-9-5 39141 Modoc Small ditch in pasture ca. 1/2 mi. E of Likely. 1356 Comment
  CAS-BOT-BC95094  Callitriche palustris Roxana Stinchfield Ferris; R. Duthie 1919-6-14 168 Modoc Along Parker Creek near Modoc Nat. Forest Boundary. Comment
  CAS-BOT-BC95095  Callitriche palustris Herbert Louis Mason; Verne Grant 1947-7-11 13366 Modoc By Jones Lane, off Highway 395, S of Alturas. Comment
  CAS-BOT-BC95098  Callitriche palustris Bruce Bartholomew 1995-7-30 7069 Modoc Drainage from Taylor Reservoir just E of junction of County roads 93 and 94. 1260 Comment
  CAS-BOT-BC85785  Calocedrus decurrens Elmer I. Applegate 1932-7-6 8208 Modoc Bidwell Creek above Ft. Bidwell Comment
  CAS-BOT-BC85788  Calocedrus decurrens A. D. Borden 1911-8-9 s.n. Modoc Buck Creek Ranger Station S. of Shields Cr. Comment
  SEINET11051776  Calocedrus decurrens R. R. Halse 2006-8-4 6999 Modoc N end of the Warner Mountains, E slope, along Highgrade Road, ca 4.4 miles N of Fort Bidwell. 1765 Comment
  UC422982  Calochortus leichtlinii W. P. Taylor and H. C. Bryant 1910-7-13 Modoc Head of North Fork Parker Creek Warner Mountains 2286 Comment
  CAS-BOT-BC244929  Calochortus longebarbatus var. longebarbatus Bruce Bartholomew 1994-7-4 6848 Modoc Hubert Creek. 1390 Comment
  CAS-BOT-BC242139  Calochortus macrocarpus Elmer Ivan Applegate 1932-8-4 8149 Modoc Near and above Jess Valley, S fork of Pit River. Comment
  CAS-BOT-BC242149  Calochortus macrocarpus Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10517 Modoc Patterson Ranger Stateon (East Creek drainage). 2164 Comment
  CAS-BOT-BC218350  Caltha leptosepala Leland S. Smith 1918-6-23 956 Modoc Near Big Four Mine, High Grade District, Mineral Spring. 2377 Comment
  JEPS60535  Caltha leptosepala Leland S. Smith 1918-6-23 956 Modoc High Grade District Mineral Spring (Mineral Spring); Modoc National Forest, Mineral Spring 2377 Comment
  NY485969  Caltha leptosepala subsp. howellii B. M. Bartholomew 1988-6-24 4327 Modoc Lily Lake, west side of the Warner Mountains. Fort Bidwell 15' Quad. 2130 Comment
  HSC64521  Calyptridium umbellatum J. P. Smith, J. O. Sawyer 1973-8-8 7226 Modoc Near summit of Eagle Peak 2988 Comment
  CAS-BOT-BC95587  Calystegia occidentalis subsp. occidentalis Leland S. Smith 1919-6-5 1120 Modoc Deep Creek Ranger Station. 1493 Comment
  UC1004347  Camassia quamash subsp. breviflora Leo Whitney 1934-5-13 Modoc Weed Valley, northern Modoc County Weed Valley 1524 Comment
  JEPS120866  Camelina microcarpa Lowell Ahart, John Dittes, Todd Sloat 2013-6-8 18757 Modoc On the north side of levee, about 100 yards N of the parking area, NW of the old barn, Ash Creek State Wildlife Area, about 3.9 air miles W of Adin, about 7.7 air miles NE of Bieber, Big Valley. Comment
  HSC6615  Camelina microcarpa M. T. Milligan 1964-6-4 26 Modoc East D St. between 4th and 5th St., Alturas 1372 Comment
  CAS-BOT-BC191121  Camissonia andina Bruce Bartholomew 1991-6-21 5817 Modoc N side of Mud Lake, 5.8 km S of Forest Service road 73 on road to Rim Rock Valley. 1570 Comment
  RSA75376  Camissonia andina F. W. Peirson 1926-6-25 6869 Modoc Cedarville Pass, Warner Mountains. Comment
  RSA520377  Camissonia andina Bruce Bartholomew, B. Anderson 1989-6-1 4740 Modoc Ca. 0.5 km S of State Hwy 299 on road to Shaker Spring. 1420 Comment
  RSA520344  Camissonia claviformis subsp. cruciformis Bruce Bartholomew, B. Anderson 1989-6-2 4838 Modoc 6.4 km E of Eagleville on the road to the California state border, E side of Surprise Valley. 1550 Comment
  CHSC111414  Camissonia contorta Lowell Ahart; John Dittes 2012-7-12 18355 Modoc In the parking area on the east side of Elkins Lane, northeast of the homestead, about 300 yards north of the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1295 Comment
  UC20540  Camissonia contorta M. S. Baker and Frank Nutting 1894-6-29 Modoc Big Valley Comment
  CAS-BOT-BC191098  Camissonia subacaulis Bruce Bartholomew 1994-7-2 6805 Modoc 5.5 km SE of Forest Service road 30 on road towards Bald Mountain, E side of the Warner Mts. 2230 Comment
  CAS-BOT-BC191101  Camissonia subacaulis Annie Montague Alexander; L. Kellogg 1946-6-26 4831 Modoc Dismal Swamp. 2255 Comment
  NY852072  Camissonia tanacetifolia B. Anderson 1986-7-9 3147 Modoc Crowder Flat Road, 3.2 km off Hwy 299 1510 Comment
  CAS-BOT-BC191079  Camissonia tanacetifolia subsp. tanacetifolia Barrett Anderson 1986-7-9 3147 Modoc Crowder Flat Rd, 3.2 km off Hwy 299. 1510 Comment
  POM312605  Camissonia tanacetifolia subsp. tanacetifolia H. L. Mason, Verne Grant 1947-7-10 13327 Modoc Dorris Reservoir, 2 miles east of Alturas. Comment
  RSA181791  Camissonia tanacetifolia subsp. tanacetifolia H. N. Metcalf, Jack C. Wilson 1965-7-1 65 -20 Modoc Davis Creek. Comment
  SEINET10873295  Campanula scabrella Unknown 1978-8-8 Showers 4219 DWS Modoc On dry open slopes near PAtterson lake, Warner Mountains Comment
  NY119872  Cardamine breweri L. C. Wheeler 1935-8-15 3864 Modoc Dismal Swamp, Twenty Mile Creek 2225.0 Comment
  CAS-BOT-BC58471  Cardamine breweri var. breweri Bruce Bartholomew; Barrett Anderson 1988-7-23 4578 Modoc Dismal Swamp, Warner Mts.. 2180 Comment
  CAS-BOT-BC58473  Cardamine breweri var. breweri Bruce Bartholomew 1989-8-11 5102 Modoc Vicinity of Patterson Ranger Station, S end of Warner Moutains. 2160 Comment
  CAS-BOT-BC58475  Cardamine breweri var. breweri Bruce Bartholomew; Barrett Anderson 1988-6-24 4326 Modoc Lily Lake, W side of the Warner Mts.. 2130 Comment
  CDA37679  Cardaria draba Robin Breckenridge 2002-7-15 s.n. Modoc Likely; Lynetta Farms. 0 Comment
  SEINET5341098  Cardaria draba M. J. Williams 1984-6-30 84- 81 -6 Modoc 9.6 miles from Gerlach-Cedarville road on the Parker Creek road. West side of the Warner Mtns, south of Cedar Pass 1829 Comment
  SEINET4290092 Image available Carex abrupta L. Janeway, Castro, B 2008-1 9573 Modoc Warner Mountains. North slope of Bald Mountain; just below the cliffs at the top of the peak. Payne Peak 7.5' quad. Comment
  UC1100433  Carex atherodes Herbert L. Mason, Verne Grant 1947-7-12 13424 Modoc s Alturas (irrigation ditch near s end of west side road along railroad tracks); Pit River Valley Comment
  UCD140121  Carex atherodes Herbert L. Mason; Verne Grant 1947-7-11 13376 Modoc near west side road, South Fork of Pit River, south of Alturas. Comment
  CAS-BOT-BC242374  Carex athrostachya Annie Montague Alexander; L. Kellogg 1946-7-18 5023 Modoc Benton Meadow. 2072 Comment
  SEINET10862025  Carex athrostachya Gordon H. True 1939-6-19 True 998 Modoc Pit River, near Sckeley. Comment
  CAS-BOT-BC498657  Carex aurea B. Crampton 1954-7-6 2099 Modoc Shields Creek, Warner Mountains, 20 mi E of Alturas 1676 Comment
  RSA92358  Carex aurea Beecher Crampton 1954-7-6 2099 Modoc Edge of flowing water of Shields Creek, Warner Mountains, 20 miles east of Alturas. 1524 Comment
  CAS-BOT-BC245193  Carex bolanderi Bruce Bartholomew; Barrett Anderson 1988-7-23 4590 Modoc Pine Creek, 4 km E of U.S Highway 395 on the road to Lily Lake, Warner Mts.. 1620 Comment
  CAS-BOT-BC245189  Carex douglasii John Thomas Howell 1934-6-30 12280 Modoc Duncan Horse Camp. 1355 Comment
  CAS-BOT-BC245190  Carex douglasii Alice Eastwood; John Thomas Howell 1940-6-13 8179 Modoc E side of Cedar Pass. Comment
  HSC95518  Carex douglasii Jim Jokerst 1987-5-13 2869 Modoc Radar Survey Site S of Doublehead Mtn., S of Clear Lake Reservoir, S end of northern sector 1360 Comment
  CAS-BOT-BC242366  Carex heteroneura Annie Montague Alexander; L. Kellogg 1946-7-18 5020 Modoc Benton Meadow. 2072 Comment
  CAS-BOT-BC242360  Carex jonesii Louis Cutter Wheeler 1935-8-16 3877 A Modoc Dismal Swamp. 2225 Comment
  CAS-BOT-BC242355  Carex lenticularis var. impressa Bruce Bartholomew; Barrett Anderson 1988-6-24 4333 Modoc Lily Lake, W side of the Warner Mts.. 2130 Comment
  HSC75588  Carex microptera G. M. Riegel 1979-8-11 646 Modoc S Warner Mtns. 1670 Comment
  JEPS118471  Carex nebrascensis Lowell Ahart, John Dittes 2011-6-21 17522 Modoc About 30 yards west of the fence, meadow like area in uplands south of the big meadow, Ash Creek State Wildlife Area, about 1000 feet north of Lassen County Line, about 3.6 miles (air) northeast of Bieber, Big Valley 1267 Comment
  UC1024314  Carex nebrascensis Annie M. Alexander and Louise Kellogg 1946-6-12 4731 Modoc Fort Bidwell 1444 Comment
  UC1024318  Carex nebrascensis Annie M. Alexander and Louise Kellogg 1946-6-14 4762 Modoc branch to Silver Creek (Patterson Mill Road) 1828 Comment
  CAS-BOT-BC245159  Carex pachystachya Roxana Stinchfield Ferris; R. Duthie 1919-6-15 150 Modoc Parker Creek near Modoc Nat. For. Boundary. Comment
  RSA180150  Carex petasata Clare B. Hardham 1961-6-17 7808 Modoc North Fork of the Pitt River, 3.3 miles S of junction of 395 and 8A Comment
  UC1024317  Carex praegracilis Annie M. Alexander and Louise Kellogg 1946-6-14 4761 Modoc branch to Silver Creek (Patterson Mill Rd.) 1828 Comment
  POM313115  Carex praegracilis H. L. Mason, Verne Grant 1947-7-12 13439 Modoc Corporation Ranch Headquarters, north of Likely. Comment
  CAS-BOT-BC117016  Carex straminiformis Elmer Ivan Applegate 1932-8-1 8063 Modoc Summit of Warner Mountains just S of Warren Peak. Comment
  CAS-BOT-BC245149  Carex subfusca Annie Montague Alexander; L. Kellogg 1946-6-14 4760 Modoc Patterson Mill Road, branch road to Silver Creek. Comment
  JEPS63663  Carex utriculata W. L. Jepson 1918-8-12 7952 Modoc Jess Valley 1584 Comment
  CAS-BOT-BC115186  Carex vernacula John Thomas Howell 1934-6-14 12165 Modoc Near Lost Lake, Warner Mts. 2438 Comment
  HSC48305  Carex vernacula D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-22 19324 Modoc Soup Springs Campground Comment
  UC922537  Carex vesicaria Annie M. Alexander and Louise Kellogg 1948-9-21 5625 Modoc above Mineral Spring (1 mi sw of top of grade between New Pine Creek and Fort Bidwell) 2286 Comment
  CAS-BOT-BC225979  Castilleja applegatei subsp. pinetorum Elmer Ivan Applegate 1929-6-24 5888 Modoc Between Adin and Canby, Pit River Valley. Comment
  CAS-BOT-BC225998  Castilleja applegatei subsp. pinetorum Francis Dorris Payne 1931-6-11 148 Modoc Parker Creek, Warner Mountains 1584 Comment
  CAS-BOT-BC229816  Castilleja applegatei subsp. pinetorum K. Paulson; Robert Paulson 1988-6-29 57 Modoc Joseph Creek Basin, Warner Mts.. 1524 Comment
  CAS-BOT-BC229825  Castilleja applegatei subsp. pinetorum Belknap C. Goldsmith 1912-5-15 73 Modoc Parker Creek, Warner Mountains 1584 Comment
  CHSC117769  Castilleja applegatei subsp. pinetorum L. P. Janeway 2016-5-18 12058 Modoc Modoc Plateau. Northeast corner of the Devils Garden area; along Road 47N37 0.6 km north of Road 73/181/47N09. 1626 Comment
  JEPS26206  Castilleja applegatei subsp. pinetorum John Weiler with Andy P. Nelson 1961-5-28 61227 Modoc Cedar Pass Warner Mts. 1938 Comment
  JEPS27947  Castilleja applegatei subsp. pinetorum Frances D. Payne 1929-7-22 108 -A Modoc w slope Warner Mountains (Parker Creek drainage); , Parker Creek 1584 Comment
  JEPS27948  Castilleja applegatei subsp. pinetorum Frances D. Payne 1931-6-11 148 Modoc Parker Creek Warner Mountains 1584 Comment
  JEPS66445  Castilleja applegatei subsp. pinetorum L. R. Heckard and P. Rubtzoff 1971-8-3 2706 Modoc 3.5 mi n Cedarville Pass (near summit of Old Canyon Mill road); Warner Mts. 1981 Comment
  RSA150189  Castilleja applegatei subsp. pinetorum A. J. Cronquist, A. H. Holmgren 1959-6-20 8517 Modoc Benchland west of the Warner Mts. in sagebrush-juniper-Agropyron country 11 miles northeast of Alturas. 1555 Comment
  RSA46752  Castilleja applegatei subsp. pinetorum J. T. Howell 1934-6-13 12100 Modoc North Fk. of Barber Creek. Warner Mts. 1829 Comment
  UC103495  Castilleja applegatei subsp. pinetorum Mrs. R. M. Austin Jun 1894 278 Modoc hills near Willow Creek Comment
  UC1713295  Castilleja applegatei subsp. pinetorum Mrs. Austin Jun 1894 Modoc Willow Creek Comment
  UC199384  Castilleja applegatei subsp. pinetorum W. P. Taylor and H. C. Bryant 1910-6-25 Modoc Parker Creek; Warner Mountains 1676 Comment
  UC26538  Castilleja applegatei subsp. pinetorum Milo S. Baker 1893-6 Modoc 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-BC226009  Castilleja arachnoidea Elmer Ivan Applegate 1932-7-9 7603 Modoc N slope of Bidwell Mountain, Warner Mountains. Comment
  JEPS81045  Castilleja arachnoidea J. P. Smith and J. O. Sawyer 1973-8-8 7236 Modoc near or at Eagle Peak summit; Eagle Peak 2987 Comment
  SJSU9674  Castilleja campestris W. Savage 1979-7-10 1522 Modoc Bowles Meadow Devils Garden District, Modoc National Forest 1493 Comment
  CAS-BOT-BC226029  Castilleja lacera Bruce Bartholomew; Barrett Anderson 1988-6-23 4238 Modoc 2.1 km SSE of Day on the road to State Highway 299. 1020 Comment
  JEPS27952  Castilleja lacera Frances D. Payne 1932-6-10 632 Modoc Parker Creek, w slope of Warner Mountains Warner Mountains 1584 Comment
  UC1063397  Castilleja lacera R. C. Wilson 1933-6-21 86 Modoc Stone Coal Valley Creek; Modoc National Forest, Canby Quad. 1402 Comment
  UC1023723  Castilleja lacera Francis W. Pennell Jun 7 1940-Jun 8 1940 25732 Modoc ne of Adin (along Rush Creek); Rush Creek 1432 Comment
  JEPS36815  Castilleja linariifolia Charles F. Quibell 1964-7-1 Modoc 2.5 mi e Alturas (along U.S. Hwy 395) Comment
  RSA31872  Castilleja linariifolia A. A. Heller 1940-6-29 15746 Modoc On U.S. Highway 299, about 5 miles west of Alturas. Comment
  CAS-BOT-BC241011  Castilleja pilosa Marion Ownbey; Fred G. Meyer 1940-7-1 2140 Modoc North slopes, Cedar Peak, Warner Mts. Comment
  JEPS79123  Castilleja pilosa L. R. Heckard with R. Bacigalupi 1980-6-10 5226 Modoc sw margin Egg Lake (now dry); Egg Lake Comment
  CAS-BOT-BC226069  Castilleja tenuis Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10555 Modoc Patterson Ranger Station (East Creek drainage), Modoc National Forest, Warner Mountains. 2164 Comment
  CHSC85130  Castilleja tenuis John Dittes; Josephine Guardino 1991-7-21 421 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
  JEPS120511  Castilleja tenuis L. P. Janeway, B. Castro 2012-7-25 10984 Modoc Warner Mountains. Comment
  JEPS86679  Castilleja tenuis L. R. Heckard and T. I. Chuang 1990-7-14 6760 Modoc ca 2 mi n Cedar Pass (along Old Common Mill Rd, 0.7 mi e of Soldier Creek Rd) 2075 Comment
  SEINET14173038  Castilleja tenuis M. J. Williams 1983-7-29 83- 116 -3 Modoc Warner Mountains, 1.1 mile N of Stough Reservoir Campground, N of Cedar Pass. 2088 Comment
  UC1025097  Castilleja tenuis Leo Whitney 1934-5-24 1630 Modoc near Hackamore; Modoc National Forest 1463 Comment
  SJSU9688  Castilleja tenuis W. Savage 1979-7-24 Modoc Long Meadow Unit, Devils Garden District, Modoc National Forest 1615 Comment
  CAS-BOT-BC217135  Ceanothus cuneatus var. cuneatus Leland S. Smith 1922-8-1 1323 Modoc Barber Canyon Allot. Dutch Flat. 1524 Comment
  RSA126441  Ceanothus integerrimus var. californicus Franklin Nutting s.n. Modoc Big Valley Mts Comment
  CAS-BOT-BC217103  Ceanothus prostratus A. D. Borden 1911-5-20 s.n. Modoc W slope Sugar Hill. Comment
  CAS-BOT-BC217145  Ceanothus prostratus Milo Samuel Baker 1893-1-1 s.n. Modoc Forest Dale Comment
  RSA399813  Ceanothus prostratus Christopher Davidson 1975-6-4 2623 Modoc 5.3 miles S of Canby on road to Manzanita Lookout. 1494 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
  SEINET12210602  Ceanothus prostratus J. Vale, Wagnon, K.; Knight, W.; Knight, I. 1981-1 4132 Modoc On White Horse Road near Egg Lake, n.w. of Lookout Comment
  SEINET13946047 Image available Ceanothus prostratus E. K. Balls 14632 Modoc .75 mile below (east of) crest of Fandango Pass. (from Fort Bidwell- Lake City Road to Bucks Creek Ranger Station on Hwy 395) Alt. 6100 ft 1859 Comment
  CAS-BOT-BC217115  Ceanothus velutinus John Thomas Howell 1934-6-13 12059 Modoc Fandango Pass. 1828 Comment
  CAS-BOT-BC217120  Ceanothus velutinus Bruce Bartholomew 1989-7-15 5020 Modoc Manzanita Lookout, top of Manzanita Mountain. 2130 Comment
  CAS-BOT-BC217123  Ceanothus velutinus Elmer Ivan Applegate 1932-7-31 7982 Modoc Mill Creek Meadows. Comment
  CDA7217  Centaurea diffusa Loring White 1959-8-19 Modoc West of Canby. 0 Comment
  CDA7340  Centaurea squarrosa T. C. Fuller 1962-8-29 9487 Modoc Road to Adin, 0.2 mile east of Lookout, Big Valley. 0 Comment
  CHSC112822  Centromadia pungens subsp. pungens Lowell Ahart; John Dittes 2013-7-25 18957 Modoc Along the north-south fence, south edge of Ash Creek Floodplain, northwest of Patterson Homestead, east of Elkins Lane, 1.0 mile (air) south of County Road 87, 3.14 miles (air) west of Adin, Big Valley. 1267 Comment
  CHSC117232  Centromadia pungens subsp. pungens Lowell Ahart; John Dittes 2016-7-16 21258 Modoc Along the north-south fence, south edge of Ash Creek Floodplain, northwest of Patterson Homestead, east of Elkins Lane, 1.0 mile (air) south of County Road 87, 3.14 miles (air) west of Adin, Big Valley. 1267 Comment
  CAS-BOT-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-BC95501  Ceratophyllum demersum Bruce Bartholomew 1989-8-11 5053 Modoc Along W side of Goose Lake, 4.2 km N of McGinty Point on National Forest Road 48. 1430 Comment
  UCD22470  Cercocarpus betuloides var. macrourus Brian Vanden Heuvel 2003-4-11 199 Modoc Rush Creek Campground in Modoc National Forest, about 10 miles north of Adin and 6 miles south of Adin Pass. Comment
  POM203964  Cercocarpus ledifolius J. T. Howell 1934-6-11 11966 Modoc Parker Creek, Warner Mts. 1585 Comment
  CAS-BOT-BC197539  Cercocarpus ledifolius var. ledifolius Belknap C. Goldsmith 1911-5-20 23 Modoc Sugar Hill, W slope Warner Mts. 1584 Comment
  CAS-BOT-BC214647  Cercocarpus ledifolius var. ledifolius A. D. Borden 1911-5-20 s.n. Modoc Sugar Hill. Comment
  UC1075723  Cercocarpus ledifolius var. ledifolius Robert J. Weatherby 1955-7-8 1632 Modoc 5 mi n of Fort Bidwell (northern Warner Mountains); Warner Mountains 1645 Comment
  RSA531336  Chaenactis douglasii Bruce Bartholomew 1990-6-17 5293 Modoc Along Emerson Creek, 2.8 km SW of County Road 1, E side of Warner Mts. 1600 Comment
  RSA101383  Chaenactis douglasii var. douglasii R. Weatherby 1955-7-8 1631 Modoc 5 miles north of Fort Bidwell, Northern Warner Mts. 1646 Comment
  UC71601  Chaenactis douglasii var. douglasii Mrs. M. H. Manning Jul 1 1903-Aug 1 1903 256 Modoc near Fort Bidwell (ne Modoc Co) Comment
  CAS-BOT-BC245414  Chamaesaracha nana E. S. Willits 1940-5-20 279 Modoc Between Perez and Canby. 1371 Comment
  CAS-BOT-BC245417  Chamaesaracha nana Bruce Bartholomew; Barrett Anderson 1990-7-20 5533 Modoc 3.4 km NW of Tamarack Flat, E side of Warner Mts. 2130 Comment
  CAS-BOT-BC245422  Chamaesaracha nana Annie Montague Alexander; L. Kellogg 1946-7-24 5065 Modoc Bear Camp Flat, along trail to Emerson Camp. Warner Mountains. Comment
  JEPS9110  Chamaesaracha nana L. S. Smith 1918-7-14 995 Modoc Mill Creek Modoc Forest (Eagleville Trail) 2133 Comment
  JEPS5988  Chamaesaracha nana Frances D. Payne 1931-6-25 271 Modoc 2 mi sw Warren Peak (Middle Fork of Pine Creek); Warner Mts., Pine Creek Basin 2133 Comment
  UC1025074  Chamaesyce serpyllifolia Leo Whitney 1934-6-5 1585 Modoc Quaking Asp Modoc National Forest 1219 Comment
  CAS-BOT-BC166012  Chamerion angustifolium subsp. circumvagum Annie M. Alexander; Louise Kellogg 1946-7-3 4904 Modoc Near Fort Bidwell, south slope. Bidwell Creek, Canyon Comment
  UC125543  Chamerion angustifolium subsp. circumvagum Mrs. R. M. Austin Aug. 1884 Modoc Sugarloaf Hill Comment
  CAS-BOT-BC95503  Chenopodium album Bruce Bartholomew; Barrett Anderson 1990-7-20 5453 Modoc Margin of Goose Lake at S end of the causeway to McGinty Point. 1440 Comment
  JEPS59681  Chenopodium album Frances D. Payne 1931-7-4 320 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  CAS-BOT-BC95514  Chenopodium berlandieri Bruce Bartholomew 1989-7-14 4956 Modoc Survice Gulch ca. 3 km NE of Egg Lake. 1340 Comment
  JEPS59758  Chenopodium pumilio Frances D. Payne 1935-7-19 789 Modoc Dry Creek Warner Mountains (mouth (tributary of Parker Creek), s and e of Alturas) Comment
  JEPS117371  Chenopodium rubrum var. humile Lowell Ahart, John Dittes 2010-8-30 17049 Modoc About 10 yards west of fence, south edge of the meadow, Ash Creek State Wildlife Area, 2300 feet north of Lassen County line, 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley 1267 Comment
  CAS-BOT-BC95663  Chimaphila umbellata Bruce Bartholomew; Barrett Anderson 1988-7-22 4530 Modoc Mill Creek, Lake City Canyon, 5.5 km W of Lake City, E side of the Warner Mts.. 1860 Comment
  CAS-BOT-BC95664  Chimaphila umbellata Bruce Bartholomew 1989-8-10 5044 Modoc 8.7 km E of Day on County Road 94. Comment
  CAS-BOT-BC95665  Chimaphila umbellata Leland S. Smith 1917-9-18 162 Modoc Lassen Creek. 1828 Comment
  UC412889  Chimaphila umbellata Franklin P. Nutting Aug 20 1900-Aug 30 1900 Modoc Big Valley Mts. near Forestdale; Big Valley Mts. Comment
  UCD170118  Chorispora tenella R. Breckenridge; K. Filippini 2005-6-20 s.n. Modoc Likely, Lynetta Farms, Jones Lane. Comment
  RSA520499  Chrysolepis sempervirens Bruce Bartholomew 1989-7-15 4984 Modoc 7 km from State Hwy 299 on road to Manzanita Mountain. 1830 Comment
  CAS-BOT-BC15048  Chrysothamnus nauseosus subsp. albicaulis Philip Alexander Munz 1951-9-14 16980 Modoc Jess Valley. 1615 Comment
  RSA301908  Chrysothamnus nauseosus subsp. albicaulis L. C. Anderson 1958-8-24 1615 Modoc Cedar Pass Campgrounds in the Warren Mts., 8 miles W of Cedarville Comment
  LA82951  Chrysothamnus viscidiflorus O. H. Kappler; 1949-7-26 1996 Modoc 5 mi. S of Alturas along Route 395 1402 Comment
  SEINET7450729 Image available Chrysothamnus viscidiflorus subsp. latifolius M. J. Williams, G. Smith 1983-9-13 83- 153 -1 Modoc 1.6 miles beyond campground on Stowe Reservoir road, north of Cedar Pass Rd., Warner Mountains 2012 Comment
  CAS-BOT-BC14951  Chrysothamnus viscidiflorus subsp. viscidiflorus Louis Cutter Wheeler 1935-8-12 3828 Modoc Cottonwood Creek, Warner Mts., Modoc National Forest 1981 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
  RSA281658  Chrysothamnus viscidiflorus subsp. viscidiflorus S. O. Mattoon 1979-7-11 102 Modoc Hwy. 139, 4 road miles north of county Road 91; Modoc Plateau 1463 Comment
  HSC26266  Cicuta douglasii M. T. Milligan 1966-7-26 586 Modoc N end Jess Valley 1616 Comment
  JEPS15740  Cicuta maculata var. angustifolia Milo S. Baker 1899-8-18 Modoc Little Hot Spring Valley Comment
  CDA21202  Cirsium K. Haas 2007-2-6 PDR 1402971 Modoc Modoc Plateau; County Rd. 1, Cedarville. 0 Comment
  CAS-BOT-BC14953  Cirsium andersonii K. Paulson; Robert Paulson 1991-8-4 248 Modoc Cal Pines Blvd. and Powell Drive. 1883 Comment
  CAS-BOT-BC14954  Cirsium andersonii Bruce Bartholomew; Barrett Anderson 1990-7-19 5441 Modoc Sweagert Flat. 1860 Comment
  CAS-BOT-BC14955  Cirsium arvense Thomas C. Fuller 1959-7-8 2746 Modoc 1.5 mi. SE of Tule Lake. Comment
  CHSC100427  Cirsium arvense Lowell Ahart; John Dittes 2008-8-25 15286 Modoc On the west bank of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout. 1273 Comment
  CDA1062  Cirsium arvense T. C. Fuller, W. T. Parsons 1960-7-26 4872 Modoc 1.5 mi. south of Tulelake; in grainfield, Hwy 139. 0 Comment
  UCD130540  Cirsium arvense T. C. Fuller 1959-7-8 2746 Modoc 1.5 miles south of Tulelake. Comment
  CAS-BOT-BC14958  Cirsium cymosum R. M. Austin; C. C. (Mrs.) Bruce 1898-6-1 165 Modoc Goose Lake. Comment
  CAS-BOT-BC14966  Cirsium cymosum Thomas C. Fuller 1959-7-8 2741 Modoc Hwy 13, 7 mi. NE of Canby. Comment
  RSA0049630  Cirsium cymosum var. canovirens Dean Wm. Taylor 2012-6-5 21219 Modoc Vicinity Crank Spring (11 air miles North of Lookout) 1365 Comment
  UC748326  Cirsium cymosum var. cymosum Annie M. Alexander and Louise Kellogg 1946-6-14 4766 Modoc Silver Creek branch of Patterson Mill Rd 1828 Comment
  HSC31108  Cirsium occidentale var. candidissimum R. F. Thorne, C. W. Tilforth 1969-9-5 39183 Modoc 3.3 mi. N of Likely 1357 Comment
  UC91794  Cirsium occidentale var. candidissimum Milo S. Baker 1893-7-25 Modoc Lava Beds Comment
  RSA0070698  Cirsium occidentale var. candidissimum F. H. Frost 1925-7-11 16 Modoc Cedar Canyon campsite, 2 miles above Cedarville. Comment
  UC748332  Cirsium scariosum var. americanum Annie M. Alexander and Louise Kellogg 1946-6-14 4765 Modoc Silver Creek branch Patterson Mill road 1828 Comment
  CAS-BOT-BC191001  Clarkia Fred. P. Cronemiller 1920-6-15 9 Modoc McKenzie Spring. 1310 Comment
  JEPS126548  Clarkia gracilis Lowell Ahart, John Dittes 2016-6-6 20943 Modoc About 50 yards southwest of the intersection of County Road 87 and Access Road to Pilot Butte Parking Area, northeast base of Pilot Butte, 3.8 miles (air) east of Lookout, 7.5 miles (air) west of Adin, Ash Creek State Wildlife Area. Comment
  SD133952  Clarkia lassenensis Barbara Ertter 1988-6-18 7622 Modoc Highway 139 circa 50 airmiles southwest of Klamath Falls, a few miles north of Agriculture Inspection Station, 1 mile south of south junction to Lava Beds National Monument east of Tonesta; 1310 Comment
  UCD150422  Clarkia lassenensis Harry A. George 1967-6-15 s.n. Modoc S. of Adin. Comment
  RSA503047  Clarkia rhomboidea Bruce Bartholomew, B. Anderson 1988-6-23 4234 Modoc 2.1 km SSE of Day on the road to State Highway 299. 1020 Comment
  CAS-BOT-BC197448  Claytonia lanceolata Bruce Bartholomew; Barrett Anderson 1988-5-13 4161 Modoc 4 km NW of Pepperdine, gentle W facing slope near top of the Warner Mts. 1760 Comment
  NY497244  Claytonia lanceolata A. M. Alexander 1946-6-15 4773 Modoc Deep Creek 2133.6 Comment
  UC7862  Claytonia lanceolata Mrs. R. M. Austin Jun 1898 Modoc Lake City canyon Comment
  UC851973  Claytonia lanceolata C. L. Hitchcock 1940-5-27 6717 Modoc 15 mi ne Alturas 1981 Comment
  SEINET5336344  Claytonia lanceolata L. Miller 1933-3-29 s.n. Modoc On Cedar pass near Cedarville Comment
  RSA0059503  Claytonia lanceolata var. sessilifolia C. L. Hitchcock 1940-5-27 6717 Modoc 15 miles NE of Alturas. 1982 Comment
  CAS-BOT-BC197438  Claytonia megarhiza Annie Montague Alexander; L. Kellogg 1946-7-30 5097 Modoc Eagle Peak, Warner Mts. Comment
  JEPS101050  Claytonia megarhiza Dean Wm. Taylor with Glenn L. Clifton 1989-8-5 10463 Modoc Warner Mountains, steep northeast face Eagle Peak 2880 Comment
  UC1573168  Claytonia megarhiza Dean Wm. Taylor with Glenn L. Clifton 1989-8-5 10435 Modoc e-face Emerson Peak (Emerson Creek drainage); Warner Mountains, , Emerson Creek 2560 Comment
  CAS-BOT-BC197432  Claytonia perfoliata subsp. intermontana Bruce Bartholomew; Mona Bourell 1990-4-27 5190 Modoc Top of mesa on W side of Goose Lake. 1470 Comment
  CAS-BOT-BC197427  Claytonia perfoliata subsp. intermontana E. H. Steffen 1917-5-26 13 Modoc West Valley Camp. 1554 Comment
  CAS-BOT-BC197464  Claytonia rubra subsp. rubra John H. Hatton 1911-6-12 83 Modoc Modoc County. 1371 Comment
  CAS-BOT-BC226095  Collinsia parviflora Bruce Bartholomew 1991-6-21 5823 Modoc Vicinity of Drift Fence Tank, 2 km S of Forest Service road 73 on road to Rim Rock Valley. 1580 Comment
  CAS-BOT-BC229856  Collinsia parviflora Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16430 Modoc Near summit of Cedar Pass, between Alturas & Cedarville 1920 Comment
  CAS-BOT-BC229865  Collinsia parviflora Bruce Bartholomew; Barrett Anderson 1988-5-12 4094 Modoc White Horse. 1340 Comment
  JEPS17623  Collinsia parviflora Rimo Bacigalupi with G. Thomas Robbins 1955-7-19 5377 Modoc just above and e Soap Springs Meadow (along rd to Mill Creek Ranger Station, s Warner Mtns); Modoc National Forest, Warner Mtns 2118 Comment
  JEPS4624  Collinsia parviflora L. S. Smith 1919-5-3 1089 Modoc Rock Spr.; Warner Mtns Comment
  UC1025094  Collinsia parviflora Leo Whitney 1934-5-2 1655 Modoc near Hockamore (Modoc National Forest); Modoc National Forest 1463 Comment
  UC1032576  Collinsia parviflora R. C. Wilson 1933-6-11 45 Modoc Modoc National Forest, Rush Creek Rush Creek; Modoc National Forest, Rush Creek 1432 Comment
  UC526138  Collinsia parviflora John Thomas Howell 1934-6-14 12135 Modoc near Lost Lake; Warner Mountains 2438 Comment
  CAS-BOT-BC190729  Collomia grandiflora Annie Montague Alexander; L. Kellogg 1946-7-7 4952 Modoc Eight Mile Creek, NE corner of county. 1752 Comment
  CHSC19725  Collomia grandiflora J. Grove 1973-6-8 95 Modoc Collected on Widow Vly Rd. 1 mi south of Day. 1005 Comment
  JEPS71010  Collomia grandiflora Frances D. Payne 1929-7-22 106 Modoc s and e Alturas (woods and bare knolls); Warner Mountains, Parker Creek 1584 Comment
  HSC80887  Collomia linearis G. M. Riegel 1980-8-26 1111 Modoc S Warner Mtns. 1670 Comment
  SJSU11425  Collomia linearis H. L. Buckalew 1961-6-21 Modoc Stough Reservoir 1 mi N of Cedar Pass on Alturas-Cedarville Rd 1950 Comment
  CAS-BOT-BC229517  Collomia linearis Annie M. Alexander; Louise Kellogg 1946-7-3 4900 Modoc Bidwell Creek, 7 miles W of Fort Bidwell Comment
  UCSB29034  Collomia linearis Hardham, Clare 1961-6-18 Modoc Cedar Pass Camp Ground Comment
  CAS-BOT-BC190709  Collomia tinctoria Bruce Bartholomew 1992-5-17 6344 A Modoc SW side of White Horse Mountains, SW of White Horse Flat Reservoir. 1460 Comment
  JEPS71069  Collomia tinctoria Frances D. Payne 1932-7-1 658 Modoc 2 mi sw Warren Peak (dry slope); Warner Mts., Pine Creek Basin Comment
  RSA795596  Conium maculatum L. Ahart, John Dittes 2010-8-30 17066 Modoc On the sides of a small wash, about 10 yards east of the fence, south edge of the meadow, Ash Creek State Wildlife Area, 2300 feet north of Lassen County Line, about 3.6 air miles west of Adin., About 8.0 air miles northeast of Bieber, Big Valley. 1268 Comment
  SJSU9370  Conringia orientalis W. Savage 1979-7-8 1480 Modoc W side of Fairchild Swamp Unit, Triangle, Devils Garden District, Modoc National Forest 1493 Comment
  CAS-BOT-BC229878  Cordylanthus ramosus John Thomas Howell 1934-7-2 12350 Modoc Mowitz Creak, 1 mi. S of Clear Lake. Comment
  CAS-BOT-BC95601  Cornus sericea M. M. Hanna 1956-6-5 978 Modoc Cedar Pass. Comment
  CAS-BOT-BC95603  Cornus sericea Bruce Bartholomew 1991-10-13 6115 Modoc Along Pine Creek, 1.8 km E of U.S. Hwy 395 on road to Lily Lake, W side of Warner Mts. 1482 Comment
  HSC100158  Cornus sericea J. P. Smith, & J. O. Sawyer 2011-8-14 13373 Modoc Along Jesse Valley Road, just E of the bridge over the Pit River. 1372 Comment
  CAS-BOT-BC190769  Corydalis aurea C. C. (Mrs.) Bruce 1898-7-1 2206 Modoc Warner Mts. Comment
  POM91896  Crataegus douglasii R. M. Austin 1895-07 427 Modoc Davis Creek Comment
  CAS-BOT-BC14910  Crepis acuminata John Thomas Howell 1934-6-11 11979 Modoc Parker Creek, Warner Mountains 1584 Comment
  UC31287  Crepis acuminata Milo S. Baker 1893-6 Modoc Lava beds Comment
  CAS-BOT-BC14906  Crepis acuminata Amos Arthur Heller 1938-6-24 15220 Modoc unspecified Comment
  RSA164315  Crepis acuminata Clare B. Hardham 1961-6-18 7562 Modoc Hills 3 miles south of Cedar Pass 1829 Comment
  CHSC118085  Crepis bakeri subsp. bakeri L. P. Janeway 2016-5-17 12012 Modoc Modoc Plateau. Devils Garden area; flat just below (west of) Por-cupine Rim; 0.3 km north of Road 43N18; 4.0 air-km west of Big Sage Reservoir. 1544 Comment
  CAS-BOT-BC14892  Crepis intermedia Isabelo T. Kelly 1930-1-1 53 Modoc unspecified Comment
  JEPS36446  Crepis intermedia Frances D. Payne 1931-6-11 150 a Modoc Parker Creek Warner Mts. 1584 Comment
  JEPS89244  Crepis modocensis Lauramay T. Dempster 1961-6-18 1683 Modoc peak just s Cedar Pass Comment
  CAS-BOT-BC14888  Crepis modocensis subsp. subacaulis Bruce Bartholomew 1990-6-17 5356 Modoc 11.3 km N of Buck Creek Ranger Station, a crest of the Warner Mountains. 2130 Comment
  CAS-BOT-BC14867  Crepis occidentalis Bruce Bartholomew 1992-5-16 6338 Modoc Burned area along County Road 91, ca. 2.5 km S of turn off to Happy Camp Ranger Station. 1390 Comment
  CAS-BOT-BC14916  Crepis occidentalis subsp. occidentalis George Ledyard Stebbins; J. A. Jenkins 1937-7-15 2367 Modoc Center of Round Valley. 1066 Comment
  CAS-BOT-BC14890  Crepis occidentalis subsp. pumila George Ledyard Stebbins; J. A. Jenkins 1937-7-15 2375 Modoc S side of Shaeffer Mountain. 1676 Comment
  POM356329  Crepis occidentalis subsp. pumila Christopher Davidson 1975-6-4 2593 Modoc 0.4 miles E of Hwy 395 on Hwy 299 toward Cedarville. 1380 Comment
  CAS-BOT-BC14870  Crepis runcinata subsp. hallii C. C. (Mrs.) Bruce 1898-8-1 2482 Modoc Goose Lake. Comment
  CAS-BOT-BC14872  Crocidium multicaule Leland S. Smith 1919-4-20 1077 Modoc West of Alturas 1371 Comment
  CAS-BOT-BC218203  Croton setiger M. Vasey 1990-6-30 9036 Modoc 0.2 mi. from junction of Lava Camp Road and road to Egg Lake. 1300 Comment
  RSA0049592  Crypsis vaginiflora Dean Wm. Taylor 2013-9-6 21416 Modoc 1 mile South of Whalen Spring (ca. 15 air miles N of Bieber on Highway 299) 1328 Comment
  SEINET7073591  Cryptantha 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
  RSA647536  Cryptantha Marion P. Harthill 1971-6-23 374 Modoc Fort Bidwell. 1388 Comment
  UCD37470  Cryptantha ambigua Beecher Crampton 1960-6-17 5689 Modoc Modoc County, 5 miles south of Perez, Plant Quarantine Station. 1371 Comment
  UC1478048  Cryptantha celosioides Gregg Riegel 1980-7-15 896 Modoc 0.5 mi n Cottonwood Creek (and .12 mi w of headwaters of Little Jackson Canyon Creek); Modoc National Forest 1920 Comment
  UC1191831  Cryptantha echinella Herbert L. Mason and Verne Grant 1947-7-9 13316 Modoc Cedar Pass, summit of Warner Range Warner Range 1920 Comment
  HSC75577  Cryptantha intermedia G. M. Riegel 1980-8-20 1078 Modoc S Warner Mtns. 1739 Comment
  SBBG20785  Cryptantha intermedia C. B. Hardham 1961-6-18 7545 Modoc hills 3 mi E of Cedar Pass 1828 Comment
  HSC3624  Cryptantha simulans M. T. Milligan 1966-8-3 634 Modoc W slope of Eagle Peak Comment
  UC526166  Cryptantha simulans John Thomas Howell 1934-6-13 12043 Modoc Fandango Pass Warner Mts. 1828 Comment
  HSC3625  Cryptantha simulans M. T. Milligan 1965-6-27 360 Modoc 1677 Comment
  CAS-BOT-BC54120  Cryptantha sobolifera Bruce Bartholomew 1991-8-5 6052 Modoc Summit Trail between Squaw Peak and Cottenwood Lake, crest of the Warner Mts. 2530 Comment
  SDSU20234  Cryptantha subretusa Ronald B. Kelley 2005-7-26 934 Modoc In Warner Mountains on both sides of Summit Trail just south of Pepperdine camp area. 2163 Comment
  UC1478047  Cryptantha subretusa Gregg Riegel 1980-8-9 1014 a Modoc 100 yds sw Pine Creek-Summit Trail junction (Pine Creek Basin, S Warner Wilderness Area); Modoc National Forest, Warner Wilderness Area 2706 Comment
  HSC75579  Cryptantha torreyana G. M. Riegel 1979-7-3 472 Modoc S Warner Mtns. 2100 Comment
  UC79458  Cryptantha torreyana Milo S. Baker 1893-7-5 Modoc Comment
  JEPS43033  Cuscuta approximata Frances D. Payne 1932-7-22 732 Modoc s and e of Alturas; Warner Mountains, Parker Creek 1584 Comment
  CAS-BOT-BC95629  Cuscuta approximata Goss 1932-10-3 Modoc Modoc County. Comment
  CDA5585  Cuscuta approximata Goss 1932-10-3 Modoc 0 Comment
  UC450148  Cuscuta indecora Milo S. Baker 1899-8-16 Modoc Little Hot Spring Valley Comment
  HSC80873  Cystopteris fragilis G. M. Riegel 1980-9-3 1128 Modoc S Warner Mtns. 1829 Comment
  RSA165502  Cystopteris fragilis Clare B. Hardham 1961-6-17 7521 Modoc Cedar Pass Camp Ground, Warner Mountains Comment
  CAS-BOT-BC245210  Damasonium californicum Bruce Bartholomew; Barrett Anderson 1988-6-23 4272 Modoc 4.0 km W of Day on County Road 94. 1340 Comment
  CAS-BOT-BC245213  Damasonium californicum M. Vasey 1900-6-30 9038 Modoc Pond along dirt road near Curtis Waterhole, NW of Egg Lake. 1300 Comment
  UC1523805  Damasonium californicum Gregg Reigel 1981-7-13 1155 Modoc near Lookout Lookout 1280 Comment
  CAS-BOT-BC242491  Danthonia californica Leland S. Smith 1924-5-31 1365 Modoc Modoc National Forest - near Kramer Reservoir Comment
  SJSU4373  Danthonia unispicata H. L. Buckalew 1961-7-27 Modoc near Stowe Reservoir, c. 3 mi N of Cedar Pass on Alturas-Cedarville Rd, eastern Warner Mts. 2072 Comment
  CAS-BOT-BC214753  Dasiphora fruticosa K. Paulson; Robert Paulson 1990-7-2 212 Modoc Dismal Swamp, Warner Mts. Comment
  HSC80692  Dasiphora fruticosa G. M. Riegel 1979-7-23 575 Modoc S Warner Mtns. 1829 Comment
  CHSC100460  Deinandra lobbii Lowell Ahart; John Dittes 2008-8-25 15328 Modoc On the east side County Road 91, 3.9 miles (air) north-northeast of Lookout. 1275 Comment
  CAS-BOT-BC217339  Delphinium andersonii Bruce Bartholomew 1990-6-16 5278 Modoc Bear Flat, W side of Warner Mountains. 1830 Comment
  CAS-BOT-BC217349  Delphinium depauperatum Robert Patterson; Mona Bourell 1993-8-15 5261 Modoc Warner Mountains. Along trail from Patterson Lake to ca. 2 mi north towards Pepperdine Trailhead. 2743 Comment
  NY487727  Delphinium menziesii C. L. Hitchcock 1940-5-27 6705 Modoc 15 miles northeast of Alturas 1676.4 Comment
  CAS-BOT-BC217319  Delphinium nuttallianum Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-12 6526 Modoc W side of Whitehorse Reservoir. 1360 Comment
  HSC25016  Delphinium nuttallianum M. T. Milligan 1964-7-25 190 Modoc Pine Creek Basin, along trail. 2439 Comment
  CAS-BOT-BC242484  Deschampsia cespitosa subsp. cespitosa Bruce Bartholomew; Barrett Anderson 1988-7-22 4544 Modoc Benton Meadow, Warner Mts.. 2180 Comment
  RSA575726  Deschampsia cespitosa subsp. cespitosa S. J. Darbyshire, J. Cayouette 1994-9-8 5461 Modoc north end of Tioga Lake; beside seepage stream in meadow 3050 Comment
  POM319517  Deschampsia danthonioides Patricia Wilder 1971-6-20 5081 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
  UC1523780  Deschampsia danthonioides Gary Schoolcraft 1981-6-10 594 Modoc near Loveness Pond n. of Canby 1508 Comment
  CHSC109891  Descurainia incana B. Castro; L. P. Janeway 2012-7-25 1964 Modoc Warner Mountains. Along Twelve Mile Creek ca 3.5 air mi ESE of Dismal Swamp and 1.8 air mi NE of Mount Bidwell. 2173 Comment
  CAS-BOT-BC58606  Descurainia paradisa Bruce Bartholomew 1993-6-13 6637 Modoc Consolidated sand dunes just W of Leonard Hot Spring, E side of Surprise Valley. 1410 Comment
  CAS-BOT-BC58610  Descurainia pinnata subsp. brachycarpa John Thomas Howell 1934-6-13 12065 A Modoc Fandango Pass, Warner Mts. 1828 Comment
  POM94913  Descurainia pinnata subsp. filipes C. C. Bruce 1898-06 2246 Modoc Lake City Canon. Comment
  CAS-BOT-BC58616  Descurainia pinnata subsp. glabra John H. Hatton 1911-6-22 153 Modoc Huffman Ranch. Comment
  JEPS120891  Descurainia sophia Lowell Ahart, John Dittes, Todd Sloat 2013-6-8 18759 Modoc About 100 yards E of Parking Area, near 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
  HSC6957  Descurainia sophia M. T. Milligan 1964-6-4 19 Modoc East D St. between 4th and 5th St., Alturas 1372 Comment
  RSA504620  Descurainia sophia Bruce Bartholomew, B. Anderson 1988-6-25 4381 Modoc SW side of Jess Valley, Warner Mountains. 1540 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
  SEINET7845829 Image available Dieteria canescens var. shastensis M. S. Baker 1893-1 s.n. Modoc Egg Lake Comment
  JEPS102209  Dimeresia howellii J. Greenhouse 2001-6-9 5014 Modoc Warner Mountains, E end of ridge about 1.5 mi due E of Bald Mountain 2215 Comment
  CAS-BOT-BC234452  Diplacus nanus M. M. Hanna 1956-6-7 s.n. Modoc Junction Highway 139 and Glass Mt. Road. Comment
  CAS-BOT-BC234442  Diplacus tricolor Bruce Bartholomew 1991-7-6 5965 Modoc 2.4 km W of County Road 91 Forest Service road 42N03. 1340 Comment
  SJSU9645  Distichlis spicata W. Savage 1979-7-8 1476 Modoc Triangle, Fairchild Swamp Unit (NW corner), Devils Garden District 1493 Comment
  CHSC70476  Dodecatheon alpinum A. Sanger 1997-6-22 2534 Modoc North Fitzhugh Creek where the road to the spring dead-ends. 2048 Comment
  JEPS3940  Dodecatheon alpinum N. T. Mirov 1929-7-4 Modoc about one mi s Oregon-California boundary (Lily Lake, Warner Mountains); Warner Mountains, Lily Lake 2133 Comment
  RSA534709  Dodecatheon alpinum subsp. majus Bruce Bartholomew 1991-8-5 6033 Modoc Squaw Co. Squae Peak Trail on N side of Squaw Peak, E side of Warner Mts. Seepage area. 2420 Comment
  RSA59799  Dodecatheon conjugens E. K. Balls 1950-5-17 14737 Modoc Howard's Gulch Public Camp, off Hwy. 139. N.W. of Canby. 1433 Comment
  OBI47981  Dodecatheon conjugens Rhonda Riggins 1989-4-28 1669 Modoc 5.7 mi N of hwy 395 E of Alturas on rd to Raker and Thomas Reservoir (continuation of Pencil Rd) 1524 Comment
  RSA520479  Dodecatheon conjugens Bruce Bartholomew, B. Anderson 1989-4-28 4655 Modoc 11 km N of State Highway 299 and ca. 1 km S of Raker and Thomas Reservoir. Juniper shrub savannah. 1500 Comment
  CAS-BOT-BC218277  Dodecatheon conjugens var. conjugens John Thomas Howell 1934-6-11 11976 Modoc Parker Creek. 1584 Comment
  CAS-BOT-BC218285  Dodecatheon conjugens var. conjugens Bruce Bartholomew; Mona Bourell 1990-4-27 5191 Modoc 1.1 km E of the Modoc National Forest boundary on Parker Creek Road. 1660 Comment
  CAS-BOT-BC218274  Dodecatheon conjugens var. conjugens C. C. (Mrs.) Bruce 1898-6-1 2302 Modoc Lake City Mts. Comment
  UC28971  Downingia bacigalupii Mrs. R. M. Austin 1894-1 Modoc Willow Creek Valley Comment
Read comments
Jul 6 2010
  POM253177  Downingia bacigalupii A. A. Heller 1938-6-24 15229 Modoc Near Adin, along U.S. Hwy 299. 1280 Comment
  UCD37474  Downingia bicornuta Beecher Crampton 1960-6-17 5701 Modoc Modoc County, 13 miles west of Canby, 2.5 miles northeast of Happy Camp Station, McKay Flat. 1280 Comment
  SEINET12329659  Downingia bicornuta N. H. Holmgren, Holmgren, P. K. 1980-1 9452 Modoc California Highway 139, 22.9 km (14.2 mi) west-northwest of junction with U.S. Highway 299, 21 km 1460 Comment
  JEPS23864  Downingia bicornuta var. bicornuta Peter H. Raven with Otto T. Solbrig 1958-6-18 13323 Modoc e outskirts of Lookout Lookout 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
  JEPS14474  Downingia cuspidata Milo S. Baker 1893-6-18 Modoc Egg Lake Comment
  CAS-BOT-BC58297  Draba albertina Annie Montague Alexander; L. Kellogg 1946-6-25 4823 Modoc Dismal Swamp, N end of Warner Mts. 2255 Comment
  HSC80852  Draba albertina G. M. Riegel 1980-8-26 1109 Modoc S Warner Mtns. 2329 Comment
  HSC80856  Draba albertina G. M. Riegel 1980-8-7 1013 Modoc S Warner Mtns. 2341 Comment
  RSA603595  Draba albertina L. C. Wheeler 1935-8-1 3730 Modoc Warner Mountains: Dismal Swamp, Twenty Mile Creek. 2226 Comment
  CAS-BOT-BC58597  Draba novolympica Annie Montague Alexander; L. Kellogg 1946-8-9 5134 Modoc Between Squaw Peak and Warren Peak, Patterson Lake Trail, Warner Mts. Comment
  UC748486  Draba novolympica Annie M. Alexander and Louise Kellogg 1946-8-9 5134 Modoc exposed sandy ridge between Squaw Peak and Warren Peak (Patterson Lake Trail); Warner Mountains, Patterson Lake Trail Comment
  UCR87535  Draba verna George K. Helmkamp, E. A. Helmkamp 1993-5-4 s.n. Modoc 35.6 miles NW of Canby along Calif. Hwy 139 1280 Comment
  CAS-BOT-BC498662  Draba verna James T. Vale 1978-5-1 s.n. Modoc On Lookout-Hackamore Road N of Bieber Comment
  POM338222  Drymaria F. R. Fosberg 1957-8-18 38852 Modoc Upper Rush Creek Camp Ground, northeast of Adin. 1600 Comment
  UC1594772  Drymocallis David Charlet 1988-8-12 145 Modoc Warren Peak South Warner Mountains, Warren Peak 2957 Comment
  CAS-BOT-BC214765  Drymocallis glandulosa Leland S. Smith 1918-8-17 1036 Modoc Eagle Peak Ridge above Emerson. 2621 Comment
  HSC27396  Drymocallis glandulosa D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19519 Modoc Big Valley Summit, 6 mi. W of Adin on Hwy. 299 Comment
  HSC80705  Drymocallis glandulosa G. M. Riegel 1980-8-20 1076 Modoc S Warner Mtns. 1829 Comment
  RSA520347  Drymocallis glandulosa var. glandulosa Bruce Bartholomew 1989-6-3 4868 Modoc Boles Creek about 5.5 km E of the SE corner of Clear Lake Reservoir. 436 Comment
  HSC18760  Drymocallis glandulosa var. reflexa M. T. Milligan 1964-7-1 122 Modoc Howard's Gulch Campground on Hwy. 139 1372 Comment
  UC12533  Drymocallis lactea Milo S. Baker 1893-6-28 Modoc Comment
  CAS-BOT-BC214756  Drymocallis lactea var. lactea Elmer Ivan Applegate 1932-8-1 8056 Modoc N slope of Warren Peak near summit, Warner Mts. 2743 Comment
  CAS-BOT-BC14807  Dugaldia hoopesii Robert Patterson; Mona Bourell 1993-8-14 5233 Modoc Patterson Lake. South Warner Wilderness Area. Warner Mountains. 2743 Comment
  CHSC99956  Dysphania ambrosioides Lowell Ahart; John Dittes 2008-8-25 15322 Modoc On the east bank (flood plane) of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout. 1273 Comment
  UCD60818  Echinochloa crus-galli L. Whitney 1935-7-6 3435 Modoc Pit River near Lookout. Comment
  CDA179  Echinochloa oryzoides Goss 1932-9-22 Modoc 0 Comment
  CDA5095  Elaeagnus angustifolia T. C. Fuller 1962-8-3 9490 Modoc Tulelake Basin; 1.6 miles north of Stronghold. 0 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
  CHSC116187  Elatine Lowell Ahart; John Dittes 2015-7-15 20350 Modoc On the east side of Elkins Lane, about 200 yards northeast of the Parking Area, northwest of the old barn, Ask Creek State Wildlife Area, about 3.9 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  JEPS123978  Elatine Lowell Ahart, John Dittes 2015-7-15 20349 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
  RSA210827  Elatine chilensis R. F. Thorne, James Henrickson, C. W. Tilforth, K. Thorne 1969-9-4 39127 Modoc N Fork of Pit River 3.4 mi N of Alturas where crossed by Hwy 395. 1341 Comment
  RSA210824  Elatine gracilis R. F. Thorne, James Henrickson, C. W. Tilforth, K. Thorne 1969-9-4 39116 Modoc N Fork of Pit River 3.4 mi N of Alturas where crossed by Hwy 395. 1341 Comment
  RSA210828  Elatine rubella R. F. Thorne, James Henrickson, C. W. Tilforth, K. Thorne 1969-9-4 39103 Modoc N Fork of Pit River 3.4 mi N of Alturas where crossed by Hwy 395. 1341 Comment
  RSA210800  Eleocharis bella Robert F. Thorne, James Henrickson, C. W. Tilforth 1969-9-4 38112 Modoc On muddy spit and shore of N Fork of Pit River 3.4 mi. N of Alturas where crossed by Highway 395. 1341 Comment
  CAS-BOT-BC242385  Eleocharis macrostachya Roxana Stinchfield Ferris; R. Duthie 1919-6-14 166 Modoc Parker Creek near Modoc Nat. Forest Boundary. Comment
  CHSC115569  Eleocharis obtusa Lowell Ahart; John Dittes 2015-7-15 20355 Modoc On the east side of Elkins Lane, about 200 yards northeast of the Parking Area, northwest of the old barn, Ash Creek State Wildlife Area, about 3.9 miles (air) west of Adin, about 7.7 miles (air) norheast of Bieber, Big Valley. 1266 Comment
  CHSC117499  Eleocharis palustris Lowell Ahart; John Dittes 2016-7-14 21202 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
  UC70016  Eleocharis palustris Mrs. M. H. Manning 140 Modoc north-eastern Modoc County Comment
  UC698625  Eleocharis quinqueflora Louis C. Wheeler 1935-8-15 3862 Modoc Dismal Swamp, Twenty Mile Creek Warner Mountains 2225 Comment
  CHSC85154  Elodea canadensis John Dittes; Josephine Guardino 1991-7-21 407 Modoc Modoc Plateau; Big Valley; Ash Creek Wildlife Area; ca. 5.7 air-miles northeast of Bieber, ca. 7.6 air-miles west of Adin, ca. 1.5 air-mile southeast of Pilot Butte summit; in channel at northern edge of Ash Creek Floodplain (Big Swamp) at southeast base of Pilot Butte. 1258 Comment
  UC1024909  Elymus X saxicola Leo Whitney 1935-7-3 3373 Modoc ca 17 mi nw Canby; Badger Wells Comment
  CAS-BOT-BC497217  Elymus caput-medusae Margaret J. Williams; Arnold Tiehm; Jan Nachlinger 1988-6-2 88- 28 -6 Modoc Jess Valley, E of Likely, S of roadside rest Comment
  HSC65335  Elymus cinereus J. P. Smith, J. O. Sawyer 1973-8-9 7284 Modoc Blue Lake, Modoc Natl. Forest 1829 Comment
Read comments
Jul 11 2013
  HSC9684  Elymus cinereus R. C. Wunner 1965-6-22 237 Modoc Lava Beds N. M., 1/2 mi. N of Canby Cross. 1220 Comment
Read comments
Aug 20 2013
  UCD61523  Elymus elymoides L. D. Whitney 1935-7-11 Modoc Base of Glass Mt. Comment
  CDA31715  Elymus elymoides subsp. elymoides T. C. Fuller 1963-7-16 10917 Modoc North side of Fandango Pass Rd., 1.0 miles east of Hwy. 395 to Willow Ranch 0 Comment
  JEPS74074  Elymus multisetus Frances D. Payne 1932-7-3 590 A Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  UC1037185  Elymus trachycaulus Leo Whitney 1935-7-23 3571 Modoc USBE Plot Modoc Nation Forest, Happy Camp (15 mi w of Canby) 1463 Comment
  UCD62721  Elymus trachycaulus Beecher Crampton; Carl Rimbey 1954-7-7 2137 Modoc West side of Cedar Pass, Warner Mountains. 1889 Comment
  CAS-BOT-BC204298  Elymus trachycaulus subsp. trachycaulus Louis C. Wheeler 1935-8-4 3780 Modoc Modoc National Forest. Pine Creek, Warner Mts. 2103 Comment
  RSA185241  Elymus trachycaulus subsp. trachycaulus James L. Reveal, Jack Reveal 1963-8-17 543 Modoc On the east side of Warren Creek, in the head of the first spring 1/2 mile north of the Tioga Pass Road 2835 Comment
  SJSU9661  Elymus trachycaulus subsp. trachycaulus W. Savage 1979-7-9 1499 Modoc Round Valley, Triangle, Devils Garden District, Modoc National Forest 1493 Comment
  UCD62630  Elymus trachycaulus subsp. trachycaulus L. Whitney 1935-7-1 3375 Modoc Hackamore River, Hackamore ca. 15 miles northwest of Canby, Modoc National Forest. 1463 Comment
  HSC8754  Elymus trachycaulus subsp. trachycaulus M. T. Milligan 1964-8-8 221 Modoc 3 miles W of Alturas on Modoc County Rd. 54A at Rifle Range. 1372 Comment
  CHSC85415  Elytrigia intermedia John Dittes; Josephine Guardino 1991-7-21 437 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
  CDA2058  Elytrigia repens T. C. Fuller 1958-7-8 1940 Modoc Corporation Ranch, Likely. 0 Comment
  JEPS119965  Elytrigia repens Lowell Ahart, John Dittes 2012-7-12 18377 Modoc On the east side of Elkins Lane, about 100 yards north of the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. Comment
  SEINET12087293  Enemion stipitatum M. S. Baker 1896-1 s.n. Modoc no further locality Comment
  SEINET195713  Epilobium alpinum Louise Kellogg, Annie M Alexander 1946-7-11 4964 Modoc Slope west Eight Mile Creek NE corner Comment
  CAS-BOT-BC191021  Epilobium brachycarpum Bruce Bartholomew 1991-6-23 5879 Modoc 2.6 km NE of Crowder Flat Road on road between Ingall Swamp and Dorris Brothers Reservoir. 1520 Comment
  CHSC100526  Epilobium brachycarpum Lowell Ahart; John Dittes 2008-8-25 15277 Modoc On the west side of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-notheast of Lookout. 1273 Comment
  NY999860  Epilobium brachycarpum G. Schoolcraft 1993-8-2 2340 Modoc Near intersection of Hwy 395 and 299 east of Alturas 1372 Comment
  UC1191733  Epilobium brachycarpum Herbert L. Mason and Verne Grant 1947-7-10 13337 Modoc 2 mi e Alturas; Dorris Reservoir Comment
  UC422802  Epilobium brachycarpum Milo S. Baker 1893-1 Modoc Egg Lake Comment
  UCD105409  Epilobium brachycarpum J. M. Tucker 1950-7-25 1967 Modoc Beside Highway 139, 26.4 miles SW of Tule Lake. Comment
  SEINET200138  Epilobium brachycarpum Verne Grant, Irving Schneider 1947-8-27 8308 Modoc Modoc National Forest ; Sagebrush flat about 10 miles south of Tule Lake Comment
  UC1191715  Epilobium brachycarpum Herbert L. Mason 1947-8-8 13458 Modoc n Big Sage Reservoir (nw of Alturas); Ingalls Swamp Comment
  JEPS38221  Epilobium campestre Milo S. Baker 1893-7-30 Modoc adobe flats Egg Lake Comment
  CAS-BOT-BC190995  Epilobium ciliatum subsp. ciliatum Verne Grant; I. Schneider 1947-7-19 8079 Modoc Southern Pacific right-of-way, Williams Ranch between Alturas and Likely. 1219 Comment
  CHSC116097  Epilobium ciliatum subsp. ciliatum Lowell Ahart; John Dittes 2015-7-16 20368 Modoc North edge of Ash Creek (destroyed), southeast of the gravel pit (destroyed), about 1/8 mile east of the parking area on the east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  HSC16299  Epilobium ciliatum subsp. ciliatum M. T. Milligan 1966-7-26 581 Modoc Slopes and ridges E of Jess Valley 1646 Comment
  RSA210882  Epilobium ciliatum subsp. ciliatum Robert F. Thorne, J. Henrickson, C. W. Tilforth 1969-9-3 39023 Modoc SE end of Tule Lake Sump 0.5 miles N of turnoff to Lava Beds National Monument, (2.2 miles E of NE entrance to monument) 1265 Comment
  UCD105793  Epilobium ciliatum subsp. ciliatum Malcolm A. Nobs; S. Galen Smith 1949-9-1 1709 Modoc Mono Vista Springs on the northwestern shore of Mono Lake. Comment
  UC71663  Epilobium ciliatum subsp. ciliatum Mrs. M. H. Manning 1902-10-4 23 a Modoc Surprise Valley Comment
  UC711832  Epilobium ciliatum subsp. glandulosum Roxana S. Ferris and Laura Lorraine 1941-8-13 10519 Modoc Patterson Ranger Station Warner Mts., Modoc National Forest (East Creek drainage) 2164 Comment
  UC748247  Epilobium clavatum Annie M. Alexander and Louise Kellogg 1946-8-1 5105 Modoc e side of divide Warner Mountains, Eagle Peak 3019 Comment
  CHSC111398  Epilobium densiflorum Lowell Ahart; John Dittes 2012-7-11 18349 Modoc On dry bare soil, dry edges of ponds, about 1/2 mile southeast of the Pilot Butte Parking Lot, north edge of Ash Creek floodplain, about 1.5 miles (air) south of County Road 87, about 7.5 miles (air) west of Adin, about 10.2 miles (air) east of Lookout, Big Valley. 1260 Comment
  CAS-BOT-BC497332  Epilobium glaberrimum subsp. fastigiatum G. Schoolcraft 1997-8-10 2696 Modoc Warner Mtns. S of N. Emerson Lake 2590 Comment
  POM262688  Epilobium glaberrimum subsp. fastigiatum Bud Fuller 1936-7-10 57 Modoc 15 miles northeast of Alturas 1524 Comment
  SEINET188698  Epilobium glaberrimum subsp. fastigiatum Bud Fuller 1936-7-10 57 Modoc 15 miles NE Alturas 1524 Comment
  CAS-BOT-BC190969  Epilobium hallianum Bruce Bartholomew 1991-7-4 5909 Modoc Roney Flat. 1460 Comment
  SEINET195709  Epilobium hallianum Louise Kellogg, Annie M Alexander 1946-6-30 4873 Modoc Highgrade west side of ridge north end of Warner Mountains 2377 Comment
  UC748257  Epilobium hornemannii subsp. hornemannii Annie M. Alexander and Louise Kellogg 1946-7-11 4964 Modoc slope w Eight Mile Creek (ne corner of Modoc Co.) Comment
  CAS-BOT-BC497324  Epilobium hornemannii subsp. hornemannii Annie M. Alexander; Louise Kellogg 1946-7-11 4964 Modoc Slope west Eight Mile Creek, NE corner Comment
  POM262687  Epilobium hornemannii subsp. hornemannii Bud Fuller 1936-7-10 62 Modoc 15 miles northeast of Alturas 1524 Comment
  NY1000404  Epilobium hornemannii var. hornemannii B. M. Bartholomew 1994-7-2 6820 Modoc Mill Creek northeast of Bald Mountain, east side of Warner Mountains 2040 Comment
  HSC80900  Epilobium obcordatum G. M. Riegel 1980-7-23 934 Modoc S Warner Mtns. 1829 Comment
  UC704887  Epilobium obcordatum Marion Ownbey and Fred G. Meyer 1940-7-1 2157 Modoc near summit of Cedar Peak; Warner Mts. Comment
  CAS-BOT-BC190929  Epilobium pallidum Herbert Louis Mason; Verne Grant 1947-7-13 13441 Modoc Joseph Creek on Hwy 395. Comment
  NY1000508  Epilobium pallidum A. Tiehm 1984-6-30 8836 Modoc Northwest side of Bidwell Mountain, 2.2 road miles north of 8 mile creek on the road from Lake Annie 1844 Comment
  NY1000519  Epilobium pygmaeum L. C. Wheeler 1935-8-18 3894 Modoc 2 miles northeast of Alturas 1356 Comment
  CHSC117138  Equisetum laevigatum Lowell Ahart; John Dittes 2016-7-14 21211 -B Modoc Strand 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 County Road 87, 1.73 miles (air) west of Adin, Big Valley. 1273 Comment
  CAS-BOT-BC95470  Eremogone aculeata Ernest Brown Babcock; George Ledyard Stebbins 1936-6-9 1817 Modoc Cedar Creek Canyon, about 3 mi. W of Cedarville, in the Warner mts. 1676 Comment
  CAS-BOT-BC95472  Eremogone aculeata Bruce Bartholomew 1990-6-15 5245 Modoc Top of Manzanita Mountain in vicinity of Manzanita Lookout. 2130 Comment
  CAS-BOT-BC95481  Eremogone aculeata Bruce Bartholomew; Mona Bourell 1990-4-27 5195 Modoc 1.1 km E of the Modoc National Forest boundary on Parker Creek Road. 1660 Comment
  CAS-BOT-BC95483  Eremogone aculeata Francis Dorris Payne 1932-6-26 602 Modoc Parker Creek. 1828 Comment
  CAS-BOT-BC95485  Eremogone aculeata Annie Montague Alexander; L. Kellogg 1946-7-23 5053 Modoc Emerson Peak, Warner Mts. Comment
  CAS-BOT-BC95490  Eremogone aculeata Elmer Ivan Applegate 1932-7-9 7569 Modoc N slope of Bidwell Mountain. Comment
  CAS-BOT-BC95492  Eremogone aculeata Elmer Ivan Applegate 1932-8-1 8007 Modoc Arid W slope of Warner Mts. S of Warren Peak. Comment
  JEPS120493  Eremogone aculeata L. P. Janeway, B. Castro 2012-7-26 11014 Modoc Warner Mountains. Top of Yellow Mountain; topmost part and western edge (at the edge of a steep dropoff to the northwest). Comment
  UCSB48319  Eremogone aculeata Hardham, Clare 1961-6-18 Modoc Cedar Pass 1828 Comment
  CAS-BOT-BC95467  Eremogone congesta Alice Eastwood; John Thomas Howell 1940-6-11 8005 Modoc 6 mi. NE of Adin on road to Canby. Comment
  CHSC112363  Eremogone congesta var. subcongesta L. P. Janeway; B. Castro 2014-6-2 11282 Modoc Great Basin. Along County Road5 1.0 km west of the southwest corner of Cow Head Lake. 1627 Comment
  POM199564  Ericameria bloomeri Franklin P. Nutting s.n. Modoc Forestdale Comment
  JEPS31348  Ericameria greenei Leland S. Smith 1918-7-1 1028 Modoc Modoc National Forest Comment
  UC748095  Ericameria greenei Annie M. Alexander and Louise Kellogg 1946-8-9 5132 Modoc on slope above Patterson Lake; Warner Mountains, Patterson Lake Comment
  CAS-BOT-BC14817  Ericameria greenei Harvey Monroe Hall 1925-8-30 12209 Modoc Mt. slopes, E side Goose Lake. Comment
  JEPS21525  Ericameria nauseosa var. oreophila W. L. Jepson 1918-8-10 7930 Modoc near Alturas 1371 Comment
  SJSU9677  Ericameria nauseosa var. oreophila W. Savage 1979-8-23 1582 Modoc Triangle, Fairchild Swamp Unit, Devils Garden District, Modoc National Forest. T 43N, R 10E, NW 1/4 Sec 7 1511 Comment
  UCD169852  Ericameria nauseosa var. oreophila Lowell Ahart; John Dittes 2010-8-30 17052 Modoc Ash Creek State Wildlife Area, 2,300 feet north of the Lassen County Line, about 3.6 miles(air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley. About 3 yards east of the fence, south edge of the meadow 1267 Comment
  CAS-BOT-BC42839  Erigeron austiniae John Thomas Howell 1934-6-30 12262 Modoc Duncan Horse Camp. 1355 Comment
  CDA4406  Erigeron austiniae T. C. Fuller 1965-6-2 13595 Modoc South side of Highway 299 to Canby, 10.3 miles west of Alturas. 0 Comment
  SBBG29975  Erigeron bloomeri C. L. Hitchcock 1940-5-27 6669 Modoc 15 mi NE of Alturas 1615 Comment
  CAS-BOT-BC497222  Erigeron bloomeri Margaret J. Williams 1988-5-30 88- 26 -14 Modoc Jess Valley, E of Likely, S of roadside rest. 1524 Comment
  CAS-BOT-BC42802  Erigeron bloomeri var. bloomeri Annie Montague Alexander; Louise Kellogg 1946-6-10 4718 Modoc Lava bench between Lower and Snake lakes, on a slope facing Lower Lake Comment
  CAS-BOT-BC42810  Erigeron bloomeri var. bloomeri Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16385 Modoc 5 mi. E of California State Hwy 299 on Cedar Pass Rd. Comment
  CAS-BOT-BC42812  Erigeron bloomeri var. bloomeri John Thomas Howell 1934-6-11 11913 Modoc Parker Creek, Warner Mountains 1584 Comment
  HSC28523  Erigeron bloomeri var. bloomeri D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19386 Modoc Along Hager Basin Rd. near Big Sage Reservoir. Comment
  RSA0049628  Erigeron bloomeri var. bloomeri Dean Wm. Taylor 2012-6-5 21217 Modoc Vicinity Crank Spring (11 air miles North of Lookout) 1365 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
  HSC81118  Erigeron bloomeri var. bloomeri G. M. Riegel 1980-7-3 819 Modoc South Warner Mtns. 2100 Comment
  UC1514875  Erigeron chrysopsidis var. austiniae Mrs. R. M. Austin May 1894 84 Modoc Lassen Creek Comment
  UC87550  Erigeron chrysopsidis var. austiniae Mrs. R. M. Austin 1894-5-1 84 Modoc Lassen Creek Comment
  UC748396  Erigeron coulteri Annie M. Alexander and Louise Kellogg 1946-8-3 5109 Modoc head of Eagle Creek; Warner Mountains, Eagle Creek Comment
  UC748126  Erigeron divergens Annie M. Alexander and Louise Kellogg 1946-6-20 4809 Modoc field below town Eagleville 1303 Comment
  CAS-BOT-BC42800  Erigeron eatonii var. plantagineus P. Monnet 1913-7-1 908 Modoc Warren's Peak. 2468 Comment
  CHSC117858  Erigeron eatonii var. plantagineus L. P. Janeway 2016-5-16 11991 Modoc Modoc Plateau. Devils Garden area; along Road 47N07 1.8 road-km south of Road 181/73/47N09. 1573 Comment
  JEPS86331  Erigeron eatonii var. plantagineus Jack and Betty Guggolz 1988-7-1 973 Modoc flat near Old Canon Mill Road; Warner Mountains Comment
  SBBG22132  Erigeron eatonii var. plantagineus C. B. Hardham 1961-6-18 7573 Modoc mtns S of Cedar Pass 1981 Comment
  UC87676  Erigeron eatonii var. plantagineus Mrs. R. M. Austin June 1894 Modoc Lava Beds Comment
  SEINET8667235 Image available Erigeron eatonii var. plantagineus M. J. Williams 1984-6-28 84- 67 -2 Modoc 2 miles North of intersection between Soldier Creek and Old Cannon Mill roads. Warner Mountains North of Cedar Pass. 2057 Comment
  HSC28533  Erigeron elegantulus D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19366 Modoc Along the S Fork of the Pit River, ~6 mi. E of Likely. Comment
  CAS-BOT-BC49628  Erigeron filifolius Annie Montague Alexander; L. Kellogg 1946-7-17 4999 Modoc South Fork Davis Creek, Warner Mountains 1676 Comment
  CAS-BOT-BC49630  Erigeron filifolius John Thomas Howell 1934-6-12 12014 Modoc Between Davis Creek and Plum Valley. Comment
  UC87693  Erigeron filifolius Mrs. R. M. Austin 1884-7-1 Modoc Fort Bidwell Comment
  CHSC39008  Erigeron filifolius var. filifolius J. D. Jokerst 1983-6-18 1861 Modoc Forest Service Rd 73 0.4 miles south of Crowder Flat Station. East side of road. Comment
  CAS-BOT-BC49619  Erigeron glacialis var. glacialis Annie Montague Alexander; L. Kellogg 1946-7-2 4897 Modoc Dismal Swamp, N end of Warner Mountains 2255 Comment
  CAS-BOT-BC49621  Erigeron glacialis var. glacialis K. Paulson; Robert Paulson 1989-7-14 187 Modoc Vicinity of Bell Mines, N end of Warner Mountains. 2194 Comment
  CAS-BOT-BC49623  Erigeron glacialis var. glacialis K. Paulson; Robert Paulson 1988-7-10 73 Modoc Dismal Swamp, Warner Mts.. 2286 Comment
  CAS-BOT-BC49624  Erigeron glacialis var. glacialis Robert Patterson; Mona Bourell 1993-8-14 5218 Modoc Patterson Lake. South Warner Wilderness Area. Warner Mountains. 2743 Comment
  UC748368  Erigeron glacialis var. glacialis Annie M. Alexander and Louise Kellogg 1946-7-19 5029 Modoc Brenton Meadow Warner Mountains, Brenton Meadow 2072 Comment
  CAS-BOT-BC49632  Erigeron inornatus var. inornatus Francis Dorris Payne 1931-6-11 148 Modoc Parker Creek. 1584 Comment
  HSC67879  Erigeron inornatus var. inornatus J. P. Smith, J. O. Sawyer 1973-8-8 7250 Modoc 1.5 mi. N of Patterson Guard Station on Summit Trail, S Warner Wilderness 2439 Comment
  RSA520496  Erigeron inornatus var. inornatus Bruce Bartholomew 1989-7-14 4951 Modoc 6.5 km NE of Egg lake and 0.8 km E of Survice Gulch 1340 Comment
  CAS-BOT-BC49609  Erigeron linearis Annie Montague Alexander; L. Kellogg 1946-8-9 5137 Modoc Patterson Lake Trail, Warner Mts. Comment
  RSA26208  Erigeron linearis Alice Eastwood, John Thomas Howell 1940-6-12 8104 a Modoc West side of Cedar Pass. Comment
  UC585087  Erigeron linearis E. B. Babcock, G. L. Stebbins Jr. 1936-6-9 1828 Modoc about 3 mi w Cedarville; Warner Mountains, Cedar Creek Canyon 1524 Comment
  UC71827  Erigeron linearis Mrs. M. H. Manning Jun 1 1904-Jul 1 1904 469 Modoc slopes above Alkali Lake (ne Modoc County) Comment
  UC895913  Erigeron linearis Lewis S. Rose 1940-6-12 Modoc 6 mi ne Alturas 1341 Comment
  RSA550621  Erigeron peregrinus subsp. callianthemus Bruce Bartholomew, B. Anderson 1988-7-23 4581 Modoc Dismal Swamp, Warner Mountains. 2180 Comment
  CAS-BOT-BC49625  Erigeron philadelphicus Bruce Bartholomew 1990-6-17 5327 Modoc W side of Surprise Valley, 16 km S of Cedarville. 1420 Comment
  CAS-BOT-BC497208  Eriogonum Gladys L. Smith; Margaret Williams; Loring Williams; Charles Smith 1983-9-14 8385 Modoc Warner Mts., Rte. 299, 2 mi N of Stowe Reservoir along USFS dirt road 2011 Comment
  UC6248  Eriogonum caespitosum Mrs. C. C. Bruce June 1898 Modoc Lake City Mt. Comment
  CHSC117047  Eriogonum douglasii var. meridionale Lowell Ahart; John Dittes 2016-6-6 20950 Modoc About 40 yards west of the dirt road, about 50 yards southwest of the intersection of County Road 87 and Access Road to Pilot Butte Parking Area, northeast base of Pilot Butte, 3.8 miles (air) east of Lookout, 7.5 miles (air) west of Adin, Ash Creek State Wildlife Area. 1271 Comment
  CHSC109516  Eriogonum elatum var. elatum L. P. Janeway; B. Castro 2012-7-25 10994 Modoc Warner Mountains. Low broad ridge 1.1 km east of Dismal Swamp. 2250 Comment
  JEPS56886  Eriogonum heracleoides var. heracleoides Frank W. Peirson 1926-6-25 6863 Modoc Cedarville Road near summit of grade Warner Mts. Comment
  NY280768  Eriogonum heracleoides var. heracleoides B. M. Bartholomew 1990-7-20 5483 Modoc 10.3 km N of Buck Creek Ranger Station, crest of Warner Mountains W side of Warner Mts. 2130 Comment
  RSA509466  Eriogonum heracleoides var. heracleoides G. R. Ballmer 1988-7-21 s.n. Modoc Warner Mountains, Bidwell Mounatain, approx. 3 miles S of Oregon border in extreme NE corner of state Comment
  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
  HSC80880  Eriogonum marifolium var. marifolium G. M. Riegel 1978-8-31 176 Modoc S Warner Mtns. 1829 Comment
  UC711881  Eriogonum microthecum var. ambiguum Roxana S. Ferris and Laura Lorraine 1941-8-14 10607 Modoc about 10 mi on Eagleville road Patterson Ranger Station; Modoc National Forest, Warner Mountains Comment
  CAS-BOT-BC197798  Eriogonum microthecum var. microthecum John Thomas Howell 1934-6-13 12098 Modoc Patterson Mill Road, Warner Mts. 1676 Comment
  NY570387  Eriogonum nudum S. L. Welsh 2001-6-14 28160 Modoc Along highway 395. Ca. 6 miles south of Alturas Comment
  CAS-BOT-BC211409  Eriogonum nudum var. pubiflorum Bruce Bartholomew; Barrett Anderson 1990-7-21 5552 Modoc W edge of Middle Alkali Lake, directly E of Cedarville, Surprise Valley. 1370 Comment
  NY716885  Eriogonum nudum var. pubiflorum R. R. Halse 2004-7-22 6671 Modoc Along U. S. Highway 395, ca. 6 miles north of Aturas 1341 Comment
  RSA210870  Eriogonum nudum var. pubiflorum Robert F. Thorne, C. W. Tilforth 1969-9-4 39052 Modoc Along N Fork of Pit River, 11.8 miles N of Alturas along Highway 395. 1372 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
  SEINET11261581  Eriogonum nudum var. pubiflorum Stanley L. Welsh, N. Duane Atwood 2001-6-14 28160 Modoc Along Hwy 395. Ca 6 mi s of Alturas.; 0 Comment
  POM105407  Eriogonum nudum var. pubiflorum R. M. Austin 1895-08 345 Modoc Goose Lake Comment
  SEINET11261586  Eriogonum nudum var. pubiflorum Noel H. Holmgren, James L. Reveal 1964-8-21 1717 Modoc Warner Range, about 5 miles southwest of Eagleville on the Eagleville-Likely Road.; 0 Comment
  SEINET5330949  Eriogonum nudum var. pubiflorum M. S. Baker Unknown s.n. Modoc No data. Comment
  UCR40347  Eriogonum ovalifolium G. R. Ballmer, G. F. Pratt 1985-7-15 s.n. Modoc Warner Mtns., near the summit of Mount Bidwell 2500 Comment
  RSA165617  Eriogonum ovalifolium var. multiscapum Clare B. Hardham 1961-6-18 7549 Modoc 3.2 miles east of Cedar Pass 1829 Comment
  NY282421  Eriogonum ovalifolium var. nivale B. M. Bartholomew 1990-8-4 5646 Modoc Top of pass on Summit Trail, ca 0.5 km SE of Patterson Lake, E side of Warner Mts. 2800 Comment
  CAS-BOT-BC218195  Eriogonum prociduum Bruce Bartholomew 1992-8-9 6397 Modoc Summit Trail, upper region of Pine Creek Basin, W side of Warner Mountains. 2680 Comment
  NY283083  Eriogonum spergulinum var. reddingianum B. M. Bartholomew 1991-8-5 6026 Modoc Summit trail between Pepperdine and Squaw Peak, W side of Warner Mts. 2190 Comment
  HSC81010  Eriogonum sphaerocephalum G. M. Riegel 1978-6-26 30 Modoc S Warner Mtns. 1739 Comment
  CAS-BOT-BC211394  Eriogonum sphaerocephalum var. halimioides M. M. Hanna 1956-6-3 Modoc East of Hot Creek. Comment
  NY283378  Eriogonum sphaerocephalum var. halimioides J. T. Howell 1934-7-1 12300 Modoc Duncan Horse Camp Comment
  RSA31848  Eriogonum sphaerocephalum var. halimioides A. A. Heller 1941-6-24 16193 Modoc On rocky hillside just south of Indian Springs along U. S. Highway # 299, in the Juniper Belt. Comment
  UC1168690  Eriogonum sphaerocephalum var. halimioides Peter H. Raven with Otto T. Solbrig 1958-6-18 13329 Modoc hill at eastern outskirts of Lookout Lookout Comment
  UC6458  Eriogonum sphaerocephalum var. halimioides Mrs. R. M. Austin June 1894 Modoc Willow Creek Valley Comment
  RSA97511  Eriogonum sphaerocephalum var. halimioides Beecher Crampton 1954-7-7 2122 Modoc Low clumps among boulders; volcanic plateau, Juniper-Sagebrush assoc Collis Ranch, County rd. 56, 6 mi. east of Alturas. Comment
  SEINET5512264  Eriogonum strictum subsp. proliferum J. C. Beatley 1964-1 Modoc Tule Lake Area. Drainage area: Tule Lake 1829 Comment
  CHSC67377  Eriogonum strictum var. anserinum James D. Jokerst 1986-8-10 2750 Modoc Radar Survey Site S of Doublehead Mtn., ca. 400 m NE of a NW-SE-oriented fence and road. 1341 Comment
  NY283218  Eriogonum strictum var. anserinum M. J. Williams 1988-5-30 8826- 2 Modoc Jess Valley, south of roadside rest 1524.0 Comment
  UC1735887  Eriogonum strictum var. anserinum Dean W. Taylor 1988-6-4 9763 Modoc Tule Lake Basin; Dobie Flat, 2.6 miles S10 E of Casuse Mountain, 1280 Comment
  NY399399  Eriogonum umbellatum var. dichrocephalum L. C. Wheeler 1935-8-14 3843 Modoc Pine Creek, Warner Mountains 2011.7 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
  CHSC109500  Eriogonum umbellatum var. modocense L. P. Janeway; B. Castro 2012-7-26 11011 Modoc Warner Mountains. Top of Yellow Mountain; topmost part and wster edge (at the edge of a steep dropoff to the northwest). 2463 Comment
  NY399205  Eriogonum umbellatum var. modocense K. Paulson 1988-5-22 7 Modoc Devil's Garden 1432.6 Comment
  POM319184  Eriogonum umbellatum var. modocense Patricia Wilder 1971-6-20 5077 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
  CHSC109518  Eriogonum umbellatum var. nevadense L. P. Janeway; B. Castro 2012-7-25 10988 Modoc Warner Mountains. Slope along north side of Dismal Swamp. 2216 Comment
  RSA165614  Eriogonum umbellatum var. nevadense Clare B. Hardham 1961-6-18 7540 Modoc Gravelly slopes. 3.2 mi. S. of Cedar Pass. 1829 Comment
  UC201708  Eriogonum umbellatum var. nevadense W. P. Taylor and H. C. Bryant 1910-6-25 Modoc Parker Cr. Warner Mountains, Parker Cr. 1676 Comment
  CAS-BOT-BC197609  Eriogonum umbellatum var. polyanthum Margaret J. Williams 1988-5-30 88- 23 -1 Modoc First road into Big Sage Reservoir from Crowder Flat road, NW of Alturas. 1539 Comment
  JEPS79206  Eriogonum umbellatum var. polyanthum L. R. Heckard with R. C. Bacigalupi 1980-6-10 5236 Modoc along Great Northern Railway grade about 10 mi nw Lookout Comment
  RSA647843  Eriogonum umbellatum var. polyanthum W. P. Armstrong 1964-7-12 s.n. Modoc Rocky, sun, dry, ass. Ribes, Castilleja. Comment
  CAS-BOT-BC197589  Eriogonum vimineum John Thomas Howell 1934-7-1 12301 Modoc Duncan Horse Camp. 1355 Comment
  CAS-BOT-BC197590  Eriogonum vimineum Alice Eastwood; John Thomas Howell 1940-6-13 8172 Modoc Cedarville. Comment
  CAS-BOT-BC197593  Eriogonum vimineum Annie Montague Alexander; L. Kellogg 1946-7-17 4996 Modoc Cedar Pass, Warner Mts. Comment
  SBBG18303  Eriogonum vimineum C. B. Hardham 1961-6-19 7836 Modoc Davis Crk 1676 Comment
  UC1093643  Eriogonum vimineum Herbert L. Mason 1947-7-10 13335 Modoc 2 air mi e Alturas (on mesa); Doris Reservoir Comment
  UC1250294  Eriogonum vimineum Annie M. Alexander and Louise Kellogg 1946-7-17 4996 Modoc on northside, Cedar Pass Warner Mountains, Cedar Pass Comment
  UCSB17174  Eriogonum vimineum Hardham, Clare Modoc Davis Creek, Warner Mountains 1676 Comment
  RSA0118930  Eriophyllum lanatum var. achilleoides L. P. Janeway 2014-7-8 11471 Modoc Modoc Plateau. East corner of Dry Creek Rim; along Road 47N08 (Corral Creek Road) 5.1 road-km north-northwest of Road 48 (along the west edge of Goose Lake). 1759 Comment
  UC468952  Eriophyllum lanatum var. achilleoides W. P. Taylor and H. C. Bryant 1910-6-10 Modoc Alturas Warner Mountains, S Fork Pitt River, Alturas 1402 Comment
  UC566744  Eriophyllum lanatum var. achilleoides F. H. Frost 1925-7-13 77 Modoc summit Cedar Canyon; Warner Mts., Cedar Canyon Comment
  UC896322  Eriophyllum lanatum var. achilleoides Lewis S. Rose 1940-6-13 40544 Modoc ne Alturas; Surprise 1371 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
  UC31680  Eriophyllum lanatum var. integrifolium Milo S. Baker 1893-7-1 Modoc Lava Beds Comment
  HSC8487  Erodium cicutarium M. T. Milligan 1964-6-4 21 Modoc East D St. between 4th and 5th St., Alturas 1372 Comment
  HSC28832  Eryngium alismifolium D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19499 Modoc Big Valley Summit, 6 mi. W of Adin on Hwy. 299 Comment
  JEPS16990  Eryngium articulatum M. S. Baker and Franklin P. Nutting 1894-8-30 Modoc near Forestdale Comment
  RSA0110662  Eryngium articulatum Lowell Ahart, John Dittes 2008-8-25 15285 Modoc On the west bank of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout. 1273 Comment
  UC1051434  Eryngium articulatum Herbert L. Mason 1955-8-14 14650 Modoc s. end Goose Lake 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
  UC1487337  Eryngium mathiasiae Yusuf Sheikh and Lincoln Constance 1973-6-27 552 Modoc s. Lower Roberts Reservoir (at n.w. edge of Lookout, on Old Camp 2 Rd. toward White Horse) Comment
  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-BC58326  Erysimum capitatum var. capitatum Leland S. Smith 1917-7-2 65 Modoc Warren Mt. 2590 Comment
  HSC81066  Erysimum perenne G. M. Riegel 1980-8-21 1095 Modoc S Warner Mtns. 1829 Comment
  CAS-BOT-BC58338  Erysimum repandum E. S. Willits 1940-5-6 221 Modoc Near Lassen Creek, Willow Ranch. Comment
  RSA563313  Erysimum repandum Bruce Bartholomew, M. Bourell 1990-4-27 5185 Modoc 10.3 km NW of Hwy 299 on Crowder Flat Rd. (Elevation 1) Comment
  CAS-BOT-BC229915  Erythranthe arvensis Annie Montague Alexander; L. Kellogg 1946-6-18 4800 Modoc Patterson Mill-Silver Creek roads. 1828 Comment
  CAS-BOT-BC229899  Erythranthe breviflora Bruce Bartholomew; Barrett Anderson 1990-7-20 5518 Modoc Tamarack Flat, E side of Warner Mts. 2150 Comment
  CAS-BOT-BC229900  Erythranthe breviflora Bruce Bartholomew 1991-7-5 5949 Modoc Coyote Meadow, near the Oregon border. 1580 Comment
  SEINET13754570 Image available Erythranthe breviflora Arthur Cronquist, Arthur H. Holmgren 1959-1 8521 Modoc At Cedarville Pass; Warner Mtns., between Cedarville and Alturas 1951 Comment
  CAS-BOT-BC229903  Erythranthe breweri Annie Montague Alexander; L. Kellogg 1946-7-1 4888 Modoc 0.5 mi. E of Bidwell Creek road summit. Comment
  CAS-BOT-BC229906  Erythranthe breweri Bruce Bartholomew 1990-6-15 5250 Modoc Manzanita Mountain in ca. 0.2 km S of turn off to Manzanita Lookout. 2040 Comment
  CAS-BOT-BC229920  Erythranthe guttata Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16393 Modoc Along Thoms Creek, 6.1 mi. E of Hwy 299 along road to Cedarville. Comment
  CAS-BOT-BC229923  Erythranthe guttata John H. Hatton 1911-5-13 75 Modoc Modoc County. 1463 Comment
  CAS-BOT-BC234519  Erythranthe latidens Bruce Bartholomew 1993-6-12 6577 Modoc Road to Day Rock from Little Hot Spring Valley. 1250 Comment
  CAS-BOT-BC234476  Erythranthe lewisii K. Paulson; Robert Paulson 1988-7-9 71 Modoc Near Poison Lake, Warner Mts.. 2103 Comment
  CAS-BOT-BC234482  Erythranthe moniliformis Bruce Bartholomew; Barrett Anderson 1988-7-22 4536 Modoc Mill Creek, Lake City Canyon, 5.5 km W of Lake City, E side of the Warner Mts.. 1860 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-BC234467  Erythranthe pulsiferae Leland S. Smith 1924-5-31 1362 Modoc Egg Lake Ranch. 1310 Comment
  CAS-BOT-BC234470  Erythranthe pulsiferae K. Paulson 1978-6-24 s.n. Modoc Egg Lake. 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-BC234432  Erythranthe suksdorfii Bruce Bartholomew 1995-6-2 6947 Modoc About 0.3 km E of Barrel Spring road on road from Fort Bidwell to Fee Reservoir. 1510 Comment
  CAS-BOT-BC95714  Euphorbia serpillifolia Verne Grant; I. Schneider 1947-7-20 8089 Modoc Dorris Reservoir. Comment
  CDA20770  Euphorbia virgata C. Pirosko 2006-6-19 PDR 1303861 Modoc Schluter Ranch; Pencil Rd, 2 miles N of Alturas off Hwy. 395. Comment
  JEPS114660  Euthamia occidentalis Lowell Ahart, John Dittes 2008-8-25 15283 Modoc On the west bank of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout 1273 Comment
  HSC9861  Festuca idahoensis R. C. Wunner 1965-7-1 324 Modoc Lava Beds N.M. Top of Gillems Bluff near M.W. Ranger Station. Comment
Read comments
Aug 20 2013
  LA13109  Festuca idahoensis John Thomas Howell; 1934-7-1 12335 Modoc Duncan Horse Camp Comment
  UC1025016  Festuca rubra Leo Whitney 1935-7-12 3496 Modoc 10 mi w Canby; Cottonwood Flat Comment
  CAS-BOT-BC179186  Floerkea proserpinacoides B. Bartholomew 1992-5-16 6323 Modoc Lunsford Spring. 1600 Comment
  UC869454  Floerkea proserpinacoides C. L. Hitchcock 1940-5-27 6696 Modoc 15 mi ne of Alturas 1615 Comment
  JEPS44872  Fragaria virginiana Milo S. Baker 1893-6-15 Modoc Forestdale; sw Modoc Co. Comment
  NY188598  Frasera albicaulis M. J. Williams 1988-5-28 88- 19 --4 Modoc Hwy 395, intersection with Davis Creek road. Comment
  POM518787  Frasera albicaulis var. nitida Barbara Ertter 1988-6-18 7620 Modoc Hwy 139 ca 50 airmiles SW of Klamath Falls, a few miles N of Agric. Inspection State, 1 mi S of S jct to Lava Beds Nat l Monument E of Tonesta. 1311 Comment
  SD133989  Fraxinus latifolia B. Bartholomew 1991-7-6 5982 Modoc West side of Egg Lake. 1299 Comment
  HSC26679  Fritillaria atropurpurea D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-22 19309 Modoc Soup Springs Campground Comment
  CAS-BOT-BC242089  Fritillaria pudica L. A. M. Black 1894-4-1 100 Modoc Davis Creek. Comment
  CAS-BOT-BC242090  Fritillaria pudica F. Angwin 1946-5-10 s.n. Modoc Big Valley near Adin. 1280 Comment
  CAS-BOT-BC242093  Fritillaria pudica Bruce Bartholomew; Barrett Anderson 1988-5-13 4162 Modoc 4 km NW of Pepperdine, gentle W facing slope near top of the Warner Mts.. 1760 Comment
  JEPS61941  Fritillaria pudica B. M. Payne 1930-3-29 342 Modoc s and e of Alturas (Warner Mountains, Parker Creek); Warner Mountains, Parker Creek 1584 Comment
  POM109772  Fritillaria pudica Mrs. R. M. Austin 485 Modoc Davis Creek Comment
  CAS-BOT-BC304315  Gaillardia pulchella B. Bartholomew 1991-10-13 6126 Modoc Ca 1.5 km SE of Adin on County Rd 88 1240 Comment
  UC416629  Galium aparine Mrs. R. M. Austin Aug. 1894 125 Modoc above Alturas; Pitt River 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-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-BC225071  Galium glabrescens subsp. modocense M. Vasey 1990-6-28 9008 Modoc In vicinity of pass at junction of N Emerson Lake Trail and Owl Creek Trail, on Cole Peak side of pass. 2590 Comment
  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
  RSA0005775  Galium serpenticum subsp. warnerense Lauramay T. Dempster, C. Hardham 1961-6-19 1710 Modoc Mouth of canyon just SE of New Pine Creek. 1585 Comment
  HSC19846  Galium trifidum subsp. subbiflorum M. T. Milligan 1966-7-27 591 Modoc E of Jess Valley 1646 Comment
  CHSC85401  Galium triflorum John Dittes; Josephine Guardino 1991-8-24 462 Modoc Modoc Plateau; Warner Mountains; west slope, ca. 8.2 air-miles east of Goose Lake, ca. 2.3 air-miles south of Dismal Swamp, ca. 1.6 air-mile west of Bidwell Mtn.; tributary of Bidwell Creek west of Highgrade Road. 2087 Comment
  UC416665  Galium triflorum Franklin P. Nutting Modoc near Forestdale Comment
  UC412884  Garrya fremontii Belknap C. Goldsmith 1911-6-22 37 Modoc Fandango Creek; Warner Mts., Modoc Forest 1584 Comment
  RSA101495  Gayophytum decipiens R. Weatherby 1955-7-8 1609 -B Modoc 7 miles north of Ft. Bidwell, northern Warner Mts. 1875 Comment
  UC1618179  Gayophytum decipiens Barbara Ertter 1988-6-18 7624 Modoc Hwy 139 a few mi n Agric. Inspection Station (1 mi s of s jct to Lava Beds Nat'l Monument e of Tonesta, ca 50 air mi sw of Klamath Falls) 1310 Comment
  CAS-BOT-BC190849  Gayophytum diffusum subsp. parviflorum Bruce Bartholomew 1989-8-13 5139 Modoc ca. 3.2 km N of Manzanita Mountain. 1580 Comment
  RSA0029457  Geranium oreganum R. Weatherby 1955-7-8 1620 Modoc 6 miles north of Ft. Bidwell, Warner Mts. 1784 Comment
  SEINET8569986  Geranium richardsonii A. Sanger 1996-5-26 3590 Modoc Granger Canyon 1768 Comment
  CAS-BOT-BC180060  Geranium viscosissimum Bruce Bartholomew 1991-7-4 5900 Modoc S end of Higgins Flat. 1370 Comment
  CAS-BOT-BC180063  Geranium viscosissimum Leland S. Smith 1917-7-2 62 Modoc Head of Shield's Creek. 2316 Comment
  CAS-BOT-BC180077  Geranium viscosissimum John H. Hatton 1911-6-13 79 Modoc Modoc County. 1389 Comment
  CHSC109459  Geranium viscosissimum B. Castro; L. P. Janeway 2012-7-24 1953 Modoc Warner Mountains. Northwestern flank of Mount Bidwell; ca 0.6 air mi S of Dismal Swamp, off upper edge of open lodgepole pine forest. 7740 Comment
  UC748254  Geranium viscosissimum Annie M. Alexander and Louise Kellogg 1946-7-3 4901 Modoc 5 mi w Fort Bidwell; Bidwell Creek Canyon Comment
  UC71633  Geranium viscosissimum Mrs. M. H. Manning 1902-10-11 42 Modoc Warner Mts., ne Modoc County Warner Mts. 1981 Comment
  CAS-BOT-BC214654  Geum macrophyllum Elmer Ivan Applegate 1932-8-2 8094 Modoc Mill Creek Meadows, W slope of Warner Mts. Comment
  CAS-BOT-BC214657  Geum macrophyllum Barrett Anderson 1986-7-10 3196 Modoc West Warner Rd at the North Fork of Pine Creek, Warner Mts. 1935 Comment
  NY847800  Geum macrophyllum B. Anderson 1986-7-10 3196 Modoc Warner Mountains. West Warner Road at the North Fork of Pine Creek 1935 Comment
  UC860134  Geum triflorum Lewis S. Rose 1940-6-14 40576 Modoc 8 mi nw of Canby 1524 Comment
  UCR163907  Geum triflorum Jim Andre 1993-6-30 1402 Modoc Modoc Plateau, about 10 miles NW of Canby on Hwy 139, near NW end of Oak Ridge 1494 Comment
  CAS-BOT-BC214662  Geum triflorum Elmer Ivan Applegate 1936-5-11 10273 Modoc Post Office Cavern, Lava Beds National Monument. Comment
  POM140053  Geum triflorum var. ciliatum Milo S. Baker 1893-1 s.n. Modoc Forestdale Comment
  RSA504665  Geum triflorum var. ciliatum K. Paulson, R. Paulson 1988-5-22 s.n. Modoc Boles Creek, Devil's Garden. 1402 Comment
  NY1011720  Gilia gilioides var. integrifolia B. M. Bartholomew 1988-7-22 4538 Modoc Side Creek, west side of Lake City Canyon, east side of the Warner Mountains. Davis Creek 15' Quad 1980 Comment
  CAS-BOT-BC190692  Gilia leptalea subsp. leptalea Bruce Bartholomew 1994-7-1 6762 Modoc 15.1 km NW of State Hwy. 299 on road to Dutch Flat. 1460 Comment
  CAS-BOT-BC190679  Gilia modocensis Bruce Bartholomew 1991-5-25 5764 Modoc 8 km E of Likely on road to Jess Valley, N side of road along N side of S Fork of Pit River. 1460 Comment
  RSA0004803  Gilia modocensis Alice Eastwood, J. T. Howell 1940-6-12 8073 Modoc Between Likely and Jess Valley. Comment
  CAS-BOT-BC190661  Gilia salticola Bruce Bartholomew 1991-6-22 5844 Modoc E side of Surprise Valley, 9.6 km E of Eagleville at the Nevada border. 1520 Comment
  CDA39673  Glaux maritima C. Pierce 1976-7-23 s.n. Modoc Fee Ranch, Fort Bidwell. 0 Comment
  CAS-BOT-BC247693  Glyceria elata Bruce Bartholomew 1989-8-11 5090 Modoc Vicinity of Patterson Ranger Station, S end of Warner Mountains. 2160 Comment
  CAS-BOT-BC247696  Glyceria elata Bruce Bartholomew; Barrett Anderson 1990-7-20 5534 Modoc 3.4 km NW of Tamarack Flat, E side of Warner Mts. 2130 Comment
  HSC10062  Glyceria elata M. T. Milligan 1966-7-1 518 Modoc Slopes and ridges E of Jess Valley 1768 Comment
  UC60735  Glyceria striata M. S. Baker and Frank Nutting 1894-8-25 Modoc Forestdale 1371 Comment
  UCSB48517  Gnaphalium Clare B. Hardham 1961-6-20 7864 Modoc collected in the Pine Creek area, of the Warner Mountains Pine Creek 1676 Comment
  CAS-BOT-BC49528  Gnaphalium palustre Mrs. H. C. Cantelow 1940-6-2 3470 Modoc About 10 mi. NW of Canby on road to Lava Beds Nat. Monument. Comment
  CAS-BOT-BC49536  Gnaphalium palustre John Thomas Howell 1934-6-15 12203 Modoc Dorris Reservoir, 2 miles E of Alturas Comment
  JEPS117376  Gnaphalium palustre Lowell Ahart, John Dittes 2010-8-30 17075 Modoc About 10 yards west of the fence, south edge of the meadow, Ash Creek State Wildlife Area, 2300 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley. Comment
  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
  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
  CAS-BOT-BC229886  Gratiola heterosepala M. Vasey 1990-6-30 9040 Modoc Near Curtis Water Hole, NW of Egg Lake. 1300 Comment
  UC1191881  Gratiola neglecta Herbert L. Mason and Verne Grant 1947-7-11 13373 Modoc off Highway 395 s Alturas (irrigation ditch by Jones' Lane) Comment
  UC76029  Grindelia hirsutula Milo S. Baker 1898-1 Modoc Forestdale Comment
  SJSU9670  Grindelia nana W. Savage 1979-7-10 1517 Modoc Bowles Meadow, Devils Garden District, Modoc National Forest 1493 Comment
  UC78799  Hackelia californica Mrs. R. M. Austin July 1887 Modoc Pine Hills Comment
  JEPS96533  Hackelia cusickii Dean Wm. Taylor with Glenn L. Clifton 1992-5-7 12527 Modoc 0.5 mile E of Duncan Reservoir, on hillside on western rim of Black Canyon 1524 Comment
  JEPS86312  Hackelia micrantha Jack and Betty Guggolz 1988-6-28 958 Modoc groves w of Jenkins Spring Comment
  CAS-BOT-BC497194  Hackelia micrantha E. Joyal; D. Mehlman 1988-6-28 1291 Modoc N. Warner Mts., ridge road Comment
  JEPS34878  Helianthus bolanderi Milo S. Baker 1893-7-25 Modoc shores of Egg Lake Egg Lake Comment
  HSC5788  Helianthus bolanderi M. T. Milligan 1964-8-8 212 Modoc Corner of East D and 8th Street, Alturas 1372 Comment
  JEPS103222  Hemizonella minima G. Schoolcraft 1991-5-22 2138 Modoc SW of Alturas about 5 mi 1402 Comment
  CAS-BOT-BC21463  Heracleum lanatum Bruce Bartholomew 1995-7-31 7126 Modoc 6.3 km from Forest Service road 46N30 on Forest Service road 45N34, W side of Warner Mountains. 1920 Comment
  CAS-BOT-BC21464  Heracleum lanatum Bruce Bartholomew; Barrett Anderson 1990-7-20 5542 Modoc Buck Creek between Del Pratt Spring and Howard Flat, W side of Warner Mts. 1990 Comment
  CAS-BOT-BC21465  Heracleum lanatum Bruce Bartholomew; Barrett Anderson 1990-7-20 5542 Modoc Buck Creek between Del Pratt Spring and Howard Flat, W side of Warner Mts. 1990 Comment
  CAS-BOT-BC21468  Heracleum lanatum Isabelo T. Kelly 1930-1-1 50 Modoc Fort Bidwell. Comment
  CAS-BOT-BC180035  Hesperochiron pumilus Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16415 A Modoc Near summit of Cedar Pass. 1932 Comment
  POM203073  Hesperolinon micranthum J. T. Howell 1934-6-30 12258 Modoc Duncan Horse Camp. Comment
  SD51762  Hesperolinon micranthum Helen K. Sharsmith 1955-6-25 4506 Modoc Modoc National Forest, Warner Mountains. North slope of Jess Valley. 1584 Comment
  UC1100982  Heteranthera dubia Malcolm A. Nobs and Calvin McMillan 1949-6-17 808 Modoc Hwy 99 between Canby and Alturas Comment
  SEINET10460620  Heterocodon rariflorum Nutting 1895-9-1 NUTTING s.n. Modoc FORESTDALE Comment
  CAS-BOT-BC225798  Heuchera cylindrica Bruce Bartholomew; Barrett Anderson 1990-7-20 5493 Modoc 10.3 km N of Buck Creek Ranger Station, crest of Warner Mountains W side of Warner Mts. 2130 Comment
  NY541342  Heuchera cylindrica B. M. Bartholomew 1990-7-20 5493 Modoc 10.3 km north of Buck Creek Ranger Station, crest of Warner Mountains, west side of Warner Mountains 2130 Comment
  RSA0062920  Heuchera cylindrica var. alpina Clare B. Hardham 1961-6-18 7572 Modoc Top of peaks S of summit of Cedar Pass. Comment
  RSA468117  Heuchera cylindrica var. alpina Louis C. Wheeler 1935-8-7 3804 Modoc Pine Creek, Warner Mtns. 1555 Comment
  HSC81134  Hieracium horridum G. M. Riegel 1979-8-25 692 Modoc South Warner Mtns. 1670 Comment
  RSA540064  Hieracium scouleri Bruce Bartholomew, B. Anderson 1990-7-20 5474 Modoc 10.3 km north of Buck Creek Ranger Station, crest of Warner Mountains west side of Warner Mountains. 2130 Comment
  JEPS5974  Hieracium scouleri Frances D. Payne 1929-7-20 104 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  UC485537  Hieracium scouleri M. F. Gilman 643 Modoc Comment
  UC1101456  Hippuris vulgaris Verne Grant and Irving Schneider 1947-7-21 8118 Modoc N. Fork Pit R. ca. 2 mi. above Alturas; N. Fork Pit R. Comment
  SEINET195679  Holodiscus dumosus var. glabrescens Annie M. Alexander, Louise Kellogg 1946-7-23 5061 Modoc Emerson Peak, Warner Mountains Comment
  CAS-BOT-BC214687  Holodiscus microphyllus var. glabrescens Elmer Ivan Applegate 1932-7-9 7612 Modoc Bidwell Mt., Warner Mts. Comment
  CAS-BOT-BC214691  Holodiscus microphyllus var. glabrescens Francis Marion Ownbey; Frederick Gustav Meyer 1940-7-1 2155 Modoc Cedar Peak, Warner Mts. Comment
  HSC80696  Holodiscus microphyllus var. glabrescens G. M. Riegel 1979-7-23 553 Modoc S Warner Mtns. 1670 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
  UCR163265  Hordeum brachyantherum Jim Andre 1993-7-2 1428 Modoc Modoc Plateau, about 10 miles NW of Canby on Hwy 139, near NW end of Oak Ridge 1494 Comment
  CAS-BOT-BC247689  Hordeum brachyantherum subsp. brachyantherum Roxana Stinchfield Ferris; R. Duthie 1919-6-3 165 Modoc Parker Creek near Modoc National Forest boundary. Comment
  CAS-BOT-BC247690  Hordeum brachyantherum subsp. brachyantherum Bruce Bartholomew; Barrett Anderson 1990-7-19 5404 Modoc Turner Creek at County Rd 90, N end of Big Valley, 6.4 km N of Lassen County border. 1230 Comment
  CHSC107344  Hordeum brachyantherum subsp. brachyantherum Lowell Ahart; John Dittes 2011-6-22 17541 Modoc On the west side of the road, about 3 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
  JEPS74020  Hordeum brachyantherum subsp. brachyantherum Frances D. Payne 1932-7-3 592 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  SBBG115845  Hordeum jubatum B. Crampton 1954-7-7 2160 Modoc 2.5 mi E of Alturas, near radio stn Comment
  UC1024918  Hordeum jubatum Leo Whitney 1935-6-29 3361 b Modoc ca 15 mi nw Canby (Lake Joaquina, Hackamore); Modoc National Forest, Lake Joaquina, Hackamore 1463 Comment
  UC1037154  Hordeum jubatum Leo Whitney 1935-7-7 3400 Modoc 4 mi nw Canby; Howard Gulch Comment
  UCD32722  Hordeum jubatum subsp. intermedium Beecher Crampton 1954-7-7 2160 Modoc 2.5 miles east of Alturas. Near Radio Station KCNO. Comment
  UC1024867  Hordeum murinum subsp. leporinum Leo Whitney 1935-5-30 3159 Modoc White Horse Comment
  UC748064  Horkelia fusca subsp. capitata Annie M. Alexander and Louise Kellogg 1946-8-9 5144 Modoc Patterson Lake Trail Warner Mtns Comment
  CAS-BOT-BC214713  Horkelia fusca var. pseudocapitata Annie Montague Alexander; L. Kellogg 1946-8-9 5144 Modoc Patterson Lake Trail, Warner Mts. Comment
  NY833658  Horkelia fusca var. pseudocapitata M. S. Baker 1893-6-22 s.n. Modoc Comment
  CAS-BOT-BC214716  Horkelia tridentata Bruce Bartholomew; Barrett Anderson 1989-6-3 4901 Modoc ca. 8 km WNW of Long Bell Ranger Station. 1350 Comment
  UC73032  Horkelia tridentata subsp. tridentata Milo S. Baker 1893-1 Modoc Lava Beds Comment
  CAS-BOT-BC180026  Hydrophyllum capitatum var. alpinum Leland S. Smith 1919-5-18 1102 Modoc Jess Valley. 1600 Comment
  HSC13545  Hydrophyllum capitatum var. alpinum M. T. Milligan 1965-7-10 434 Modoc W slope of Eagle Peak. 2439 Comment
  SEINET3156124  Hydrophyllum capitatum var. alpinum E. K. Balls 1950-5-11 14627 Modoc 8.1 miles NE of Fort Bidwell, above Cow Head Lake, along 8 mile Creek. 1463 Comment
  UC748115  Hydrophyllum capitatum var. alpinum Annie M. Alexander and Louise Kellogg 1946-7-24 5077 Modoc Bear Camp Flat; Warner Mountains 2286 Comment
  POM73944  Hydrophyllum capitatum var. alpinum Mrs. R. M. Austin 544 Modoc Goose Lake Valley. Comment
  RSA420899  Hydrophyllum capitatum var. alpinum Christopher Davidson 1975-6-4 2616 Modoc 2.5 miles W of Cedarville on Hwy 299. 1677 Comment
  UC1537396  Hydrophyllum capitatum var. alpinum Gordon H. True Jr. 1938-6-25 918 Modoc s of Widow Valley 1219 Comment
  CDA5762  Hyoscyamus niger M. Pointere 1976-10-6 Modoc Lakeshore Ranch, Davis Creek. 0 Comment
  POM86682  Hypericum formosum var. scouleri Mrs. R. M. Austin 1895-07 177 Modoc Goose Lake Valley. Comment
  UC719822  Hypericum formosum var. scouleri Rogers McVaugh 1941-8-5 6246 Modoc 8.5 mi. w. Cedarville; w. slope Warner Mts. Comment
  UC10772  Idahoa scapigera Mrs. R. M. Austin April, 1894 Modoc Goose Lake Valley Comment
  CDA24886  Idahoa scapigera D. O. Clark 1980-4-25 Modoc 0 Comment
  UC1713786  Idahoa scapigera Milo S. Baker 1896-5-20 76 Modoc Big Valley, Johnson's Big Valley Comment
  JEPS4127  Ipomopsis aggregata Frances D. Payne 1929-6-28 32 Modoc se Alturas (Parker Creek); Warner Mtns 1584 Comment
  UC748421  Ipomopsis congesta Annie M. Alexander and Louise Kellogg 1946-8-9 5135 Modoc Patterson Lake Trail Warner Mtns Comment
  POM301666  Ipomopsis congesta subsp. montana Marion Ownbey, Fred G. Meyer 1940-7-1 2133 Modoc Cedar Pass, Warner Mts. Comment
  JEPS69741  Ipomopsis congesta subsp. montana Leland S. Smith 1918-8-27 1052 Modoc below Squaw Peak (Milk Creek); Modoc National Forest, Warner Mtns 2438 Comment
  POM75252  Ipomopsis tenuituba Mrs. R. M. Austin 1895-07 449 Modoc Sugar Hill Comment
  UC4304  Iris missouriensis Mrs. R. M. Austin May 1894 Modoc Goose Lake Valley Comment
  HSC13882  Iris missouriensis M. T. Milligan 1964-6-27 98 Modoc 1 mi. S of Lassen Creek on old Hwy. 395, near old home site 1677 Comment
  JEPS17193  Iris missouriensis B. M. Payne 1931-5-17 343 Modoc s and e of Alturas; Warner Mountains, Parker Creek 1584 Comment
  CHSC112817  Isatis tinctoria Lowell Ahart; John Dittes 2013-7-25 18962 Modoc 30 yards north of the east-west fence, south edge of Ash Creek Floodplain, northeast of Patterson Homestead, east of Elkins Lane, 1.0 mile (air) south of County Road 87, 3.14 miles (air) west of Adin, Big Valley. 1267 Comment
  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
  NY833728  Ivesia baileyi var. beneolens D. W. Taylor 1990-6-25 11164 Modoc Cedar Pass, growing on nearly vertical cliffs of volcanic breccia, northerly slopes of Peak 7298 2149 Comment
  UC1100975  Juncus balticus Herbert L. Mason and Verne Grant 1947-7-9 13318 Modoc Cedar Pass, summit of Warner Range Warner Range 1920 Comment
  CHSC112980  Juncus bufonius var. bufonius Lowell Ahart; John Dittes 2013-7-24 18928 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
  JEPS121221  Juncus bufonius var. bufonius Lowell Ahart, John Dittes 2013-7-24 18928 Modoc About 50 yards S of the levee road, N side of Ash Creek Floodplain, 0.54 air miles SE of Pilot Butte parking area, 1.1 air miles S of County Road 87, 6.8 air miles W of Adin, Big Valley. Comment
  CHSC116079  Juncus ensifolius Lowell Ahart; John Dittes 2015-7-16 20394 A Modoc North edge of Ash Creek (destroyed), southeast of the gravel pit (destroyed), about 1/8 mile east of the parking area on the east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  UC1536801  Juncus ensifolius Gordon H. True Jr. 1939-6-30 1018 Modoc e of Alturas; Parker Creek Comment
  CAS-BOT-BC245059  Juncus hemiendytus var. abjectus Bruce Bartholomew 1993-6-14 6676 Modoc Open moist flat SW of Stovepipe Flat Tank just N of road between Deer Hill and Duncan Reservoir. 1530 Comment
  CAS-BOT-BC245049  Juncus hemiendytus var. hemiendytus Bruce Bartholomew 1995-6-2 6932 Modoc 7.4 km W of County Road 91 on road to Egg Lake, between Lookout and Lookout Jct. 1260 Comment
  HSC14092  Juncus nevadensis M. T. Milligan 1965-6-23 310 Modoc N end Jess Valley 1616 Comment
  JEPS74118  Juncus nevadensis L. S. Smith 1917-7-24 110 Modoc Joseph Creek Warner Mts. 1981 Comment
  JEPS127209  Juncus tenuis Lowell Ahart, John Dittes 2016-6-6 20970 Modoc About 10 yards southwest of the intersection of County Road 87 and Access Road to Pilot Butte Parking Area, northeast base of Pilot Butte, 3.8 miles (air) east of Lookout, 7.5 miles (air) west of Adin, Ash Creek State Wildlife Area. Comment
  UC1036072  Juniperus communis Annie M. Alexander and Louise Kellogg 1946-7-29 5091 Modoc Head of Eagle Creek Warner Mountains, Eagle Creek (foot of rockslide under lodgepole pine) Comment
  UCR78037  Juniperus communis var. saxatilis David A. Charlet 1989-8-18 574 Modoc Warner Mtns., 3.7 km north of Eagle Peak 2683 Comment
  CHSC115481  Juniperus occidentalis L. P. Janeway 2014-7-8 11469 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
  UC1036054  Juniperus occidentalis Annie M. Alexander and Louise Kellogg 1946-6-14 4767 Modoc Silver Creek branch of Patterson Mill road 1828 Comment
  UC1280914  Juniperus occidentalis H. E. McMinn 1941-8-30 5407 Modoc 13 mi s Alturas Comment
  UCD160277  Juniperus occidentalis Chuck Hughes 2014-9-12 413 Modoc West of Cedarville. Small ridge near side of trail, about 500 feet southwest of Highway 299. 1661 Comment
  SEINET10531163  Juniperus occidentalis Jeffrey Huber 1971-6-3 Huber 84 Modoc 5 mi S of Canby on Calif Hwy 299, Lupinus heavily carpeting hillsides of large basaltic boulders, sparse juniper, Artemesia, Purshia, Poa assoc. 1280 Comment
  HSC103930  Juniperus occidentalis var. occidentalis L. Ahart, John Dittes 2008-8-26 15358 Modoc About 9.3 mi. (air) NNE of Lookout; on the SE side of Rose Creek, 750 ft. SW of confluence of Rose Creek and Pit River, on the NW side of unnamed road, 2,660 ft. E of intersection with County Rd. 85A 1277 Comment
  RSA6220  Juniperus occidentalis var. occidentalis Elmer I. Applegate 1932-7-9 7622 Modoc Big Grade, Fandango Pass. Goose Lake side Comment
  RSA67241  Juniperus occidentalis var. occidentalis Philip A. Munz 1951-9-14 16975 Modoc West base of Warner Mountains, 4.2 miles east of Likely 1418 Comment
  SEINET5512259  Juniperus occidentalis var. occidentalis J. C. Beatley 1964-1 Modoc Tule Lake area 1829 Comment
  CAS-BOT-BC95668  Kalmia polifolia Elmer Ivan Applegate 1932-8-7 8224 Modoc Just above Lily Lake. Comment
  HSC19852  Kelloggia galioides M. T. Milligan 1965-6-30 388 Modoc Slopes and ridges E of Jess Valley 1738 Comment
  RSA520449  Kelloggia galioides Bruce Bartholomew, B. Anderson 1990-7-20 5528 Modoc 3.4 Km NW of Tamarack Flat, E side of Warner Mts. 2130 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-BC247649  Koeleria macrantha Bruce Bartholomew; Barrett Anderson 1990-7-21 5583 Modoc Homestead Flat, ca. 2.5 km E of Patterson Ranger Station, E side of Warner Mts. 2160 Comment
  HSC10242  Koeleria macrantha R. C. Wunner 1965-6-26 280 Modoc Lava Beds National Monument, Blue Eyes Point. 1341 Comment
  RSA534556  Koeleria macrantha Bruce Bartholomew, B. Anderson 1990-7-21 5576 Modoc Homestead Flat, ca. 2.5 km E of Patterson Ranger Station, E side of Warner Mts. 2160 Comment
  UC1024946  Koeleria macrantha Leo Whitney 1935-7-2 3326 Modoc ca 17 mi nw Canby; Badger Wells Comment
  UC70681  Koeleria macrantha Mrs. M. H. Manning 1904-7-16 Modoc Mt. Bidwell; north-eastern Modoc County Comment
  UCD85814  Koeleria macrantha August L. Hormay 1932-7-14 s.n. Modoc D.D. plot site. Comment
  JEPS121203  Lactuca serriola Lowell Ahart, John Dittes 2013-7-25 18947 Modoc 30 yards N of the E-W fence, south edge of Ash Creek Floodplain, NE of Patterson Homestead, E of Elkins Lane, 1.0 air miles S of County Road 87, 3.14 air miles W of Adin, Big Valley. Comment
  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
  POM33424  Lactuca tatarica var. pulchella Mrs. R. M. Austin 1895-07 571 Modoc Goose Lake Valley. Comment
  SEINET11446760 Image available Lagophylla ramosissima M. J. Williams 1983-9-13 83- 151 -2 Modoc Along side of road from Alturas to Cedarville, 3.8 mi W of Cedar Pass, 6.7 mi from junction of Hwy 299 and Cedarville road 1554 Comment
  JEPS6021  Lagophylla ramosissima Frances D. Payne 1935-7-23 802 Modoc s and e of Alturas Parker Creek; Warner Mountains 1584 Comment
  RSA795599  Lagophylla ramosissima subsp. ramosissima L. Ahart, John Dittes 2010-8-30 17065 Modoc About 15 yards west of the fence, south edge of the meadow, Ash Creek State Wildlife Area, 2300 feet north of Lassen County Line, about 3.6 air miles west of Adin, about 8.0 air miles northeast of Bieber, Big Valley. 1268 Comment
  CAS-BOT-BC179873  Lamium amplexicaule Leland S. Smith 1919-5-1 1082 Modoc Jess Valley, Clarke Ranch. 1600 Comment
  CAS-BOT-BC181982  Lathyrus brownii Roxana Stinchfield Ferris; R. Duthie 1919-6-13 124 Modoc Above Parker Creek, Warner Mts. 2133 Comment
  UC1037328  Lathyrus brownii Leo Whitney 1934-4-29 1922 Modoc near Hackamore; Modoc National Forest 1463 Comment
  RSA531339  Lathyrus brownii Bruce Bartholomew, M. Bourell 1990-4-27 5168 Modoc NW side of Rice Flat, 2km S of Adin Pass. 1540 Comment
  RSA488037  Lathyrus pauciflorus subsp. brownii Bruce Bartholomew, B. Anderson 1988-5-12 4123 Modoc SE side of Egg Lake, ca. 1 km E of the Burlington Nrothern Railroad track. 1290 Comment
  CAS-BOT-BC181970  Lathyrus rigidus E. S. Willits 1940-5-4 208 Modoc Willow Ranch. Comment
  CAS-BOT-BC181973  Lathyrus rigidus Bruce Bartholomew; Barrett Anderson 1988-5-14 4185 Modoc 4.5 km S of Davis Creek on U.S. Highway 395, SE side of Goose Lake. 1470 Comment
  NY716848  Lathyrus rigidus G. Schoolcraft 1998-5-19 2710 Modoc Highway 395 about 9.5 miles north of Davis Creek 1524 Comment
  NY716853  Lathyrus rigidus W. Larkin 04 1920 s.n. Modoc Goose Lake Valley Comment
  JEPS11927  Layia glandulosa L. S. Smith Jul 20 1920-Jul 31 1920 1195 Modoc Mill Creek Southern Warner Mountains, Mill Creek 2133 Comment
  RSA604325  Ledum glandulosum L. C. Wheeler 1935-8-4 3777 Modoc Pine Creek, Warner Mts. 2210 Comment
  POM312463  Lemna trisulca H. L. Mason, Verne Grant 1947-7-12 13432 Modoc Corporation Ranch Headquarters, north of Likely. Comment
  SJSU9999  Lemna valdiviana H. L. Buckalew 1961-6-21 Modoc Stough (""Stowe"") Reservoir c. 2 mi N of Cedar Pass on the Alturas-Cedarville Rd, Warner Mts 1981 Comment
  CAS-BOT-BC58457  Lepidium campestre Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-13 16467 Modoc 2.6 mi. N of Buck's Creek Ranger Station, E side of Goose Lake. Comment
  CAS-BOT-BC58662  Lepidium chalepense Bruce Bartholomew 1994-5-16 6699 Modoc Little Hot Spring Valley. 1070 Comment
  CAS-BOT-BC58666  Lepidium chalepense K. Paulson; Robert Paulson 1991-7-13 239 Modoc Near Bear Flat Road, southern Warner Mountains. 2164 Comment
  RSA424438  Lepidium latifolium Margaret J. Williams 1984-7-1 84- 89 -1 Modoc NW of Alturas, N of Hwy 299, Crowder Flat road. 1372 Comment
  JEPS53644  Lepidium montanum Mrs. R. M. Austin 1888-1 336 Modoc s of Alturas; Pit River Comment
  RSA504619  Lepidium perfoliatum Bruce Bartholomew, B. Anderson 1988-6-25 4382 Modoc SW side of Jess Valley, Warner Mountains. 1540 Comment
  HSC80889  Leptosiphon ciliatus G. M. Riegel 1979-7-12 508 Modoc S Warner Mtns. 2100 Comment
  POM319635  Leptosiphon harknessii Patricia Wilder 1971-6-20 5055 Modoc North part of Egg Lake (now a meadow), northwest of Lookout; north of Bieber and California State Highway 299; Modoc National Forest. Cascades Mt. Range. 1372 Comment
  RSA504674  Leptosiphon nuttallii Bruce Bartholomew, B. Anderson 1988-6-24 4295 Modoc Road beyond Poison Lake, ca. 8 km S of the road from Hwy 395 to Lily Lake, Warner Mountains. 2130 Comment
  SJSU8681  Leptosiphon septentrionalis W. Savage 1979-7-3 1290 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  UCR87516  Leucocrinum montanum George K. Helmkamp, E. A. Helmkamp 1993-5-4 s.n. Modoc 16.1 miles NW of Canby along Calif. Hwy 139 1280 Comment
  SEINET10533573  Leucocrinum montanum Jeffrey Huber 1971-6-3 Huber 97 Modoc 5 miles s of canby on calif. Hwy. 299, Lupines heavily carpeting hillsides of Large basaltic boulders, sparse juniper, artemesia, purshia, poa assoc. 1280 Comment
  POM203130  Leucopoa kingii J. T. Howell 1934-7-1 12338 Modoc Duncan Horse Camp Comment
  CAS-BOT-BC197452  Lewisia nevadensis Leland S. Smith 1918-5-31 930 Modoc Little Grizzley Ranger Station, Lassen Creek. 1828 Comment
  CAS-BOT-BC197458  Lewisia nevadensis Bruce Bartholomew 1991-7-7 6005 Modoc Pot Hole Spring. 1890 Comment
  HSC26493  Lewisia nevadensis J. P. Smith, J. O. Sawyer 1972-5-6 5262 Modoc FS road to Quail Spring at Hwy. 299, N of Adin 1463 Comment
  CAS-BOT-BC197488  Lewisia rediviva Bruce Bartholomew; Barrett Anderson 1988-5-13 4184 A Modoc Juniper Flats, 10 km E of Likely on road to Jess Valley, W side of the Warner Mts.. 1450 Comment
  JEPS43175  Lewisia rediviva Frances D. Payne 1929-6-23 25 Modoc Parker Creek Warner Mountains, Parker Creek 1584 Comment
  CAS-BOT-BC247639  Leymus cinereus Isabelo T. Kelly 1930-1-1 34 Modoc Fort Bidwell. Comment
  UC1024976  Leymus triticoides Leo Whitney 1935-7-6 3422 Modoc Crank Springs Comment
  UC536901  Leymus triticoides Frances Payne 782 Modoc Warner Mts. Comment
  CAS-BOT-BC21461  Ligusticum grayi Louis Cutter Wheeler 1935-8-16 3882 Modoc Dismal Swamp. 2225 Comment
  CAS-BOT-BC436039  Ligusticum grayi Elmer I. Applegate 1932-8-2 8077 Modoc Mill Creek Meadows, western slope of Warner Mountains Comment
  JEPS16566  Ligusticum grayi L. S. Smith 1918-8-11 1024 Modoc Warner Mts., Camp One-T38-16 2468 Comment
  CAS-BOT-BC498668  Lilium washingtonianum K. Paulson; R. Paulson 1991-8-10 251 Modoc Near Manzanita Lookout 2060 Comment
  SEINET182271  Linanthastrum nuttallii L. C. Wheeler 1935-8-5 3789 Modoc Lake Pine Cr Warner Mts 2286 Comment
  CAS-BOT-BC498675  Linanthus Clare B. Hardham 1961-6-18 s.n. Modoc Warner Muntains. Cedar Pass Comment
  CAS-BOT-BC198026  Linanthus nuttallii subsp. nuttallii K. Paulson; Robert Paulson 1989-7-14 179 Modoc Vicinity of Little Lily Lake, ca. 2.5 mi. S of the Oregon border, N end of Warner Mts. 2171 Comment
  HSC80878  Linanthus pungens G. M. Riegel 1980-8-9 1030 Modoc S Warner Mtns. 1829 Comment
  POM260728  Linanthus pungens subsp. pulchriflorus Alice Eastwood, J. T. Howell 1940-6-12 8048 Modoc Between Likely and Jess Valley. Comment
  UC1178811  Linanthus septentrionalis Herbert L. Mason 1947-7-8 13307 Modoc Cedar Pass, summit of Warner Mountains Warner Mountains 1921 Comment
  CDA6362  Linaria genistifolia subsp. dalmatica T. C. Fuller 1963-8-27 11171 Modoc Sugar Hill Planting, Lassen Creek, ca. 6 miles southeast of Willow Ranch. 0 Comment
  CDA6363  Linaria genistifolia subsp. dalmatica T. C. Fuller 1962-8-29 9485 Modoc Near Sugar Hill Planting, Lassen Creek, 11 miles south of New Pine Creek. 0 Comment
  CDA6369  Linaria vulgaris T. C. Fuller 1963-7-16 10910 Modoc Lassen Creek, Sugar Hill Planting, 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-BC179156  Linum lewisii John Thomas Howell 1934-6-11 11933 Modoc Parker Creek. 1584 Comment
  CAS-BOT-BC179165  Linum lewisii M. M. Hanna 1956-6-4 955 Modoc Cedar Pass. Comment
  UCD110594  Linum lewisii J. M. Tucker 1950-7-25 1969 Modoc Beside highway 139, 26.4 miles southeast of Tule Lake. Comment
  SBBG30509  Linum lewisii var. lewisii D. Myrick 1968-6-20 1972 Modoc 20 mi W of Canby on Hwy 139 1524 Comment
  CAS-BOT-BC242225  Listera convallarioides Bruce Bartholomew 1994-7-3 6841 Modoc Field redacted by CAS, contact the data manager for more information 1780 Comment
  CAS-BOT-BC225811  Lithophragma glabrum L. A. M. Black 1894-4-1 103 Modoc Davis Creek. Comment
  UC11912  Lithophragma glabrum Mrs. R. M. Austin May, 1894 Modoc Goose Lake Valley Comment
  CAS-BOT-BC225831  Lithophragma parviflorum Bruce Bartholomew 1993-6-12 6594 Modoc Top of ridge directly above Day Rock. 1380 Comment
  UC190608  Lithophragma parviflorum M. F. Gilman 543 Modoc Comment
  JEPS5961  Lithophragma tenellum Frances D. Payne 1932-6-10 527 Modoc s and e Alturas (Parker Creek); Warner Mountains, Parker Creek 1584 Comment
  CHSC85192  Lithospermum arvense John Dittes; Josephine Guardino 1991-6-1 348 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-BC54026  Lithospermum ruderale Francis Dorris Payne 1932-6-15 644 Modoc Parker Creek. 1584 Comment
  CAS-BOT-BC54031  Lithospermum ruderale Bruce Bartholomew; Barrett Anderson 1988-5-12 4092 Modoc 4 km NW of White Horse. 1350 Comment
  CAS-BOT-BC54033  Lithospermum ruderale C. C. (Mrs.) Bruce 1898-6-1 2197 Modoc Goose Lake valley. Comment
  CAS-BOT-BC54034  Lithospermum ruderale C. L. Hitchcock 1940-5-27 6654 Modoc 9 mi. NE of Alturas. 1402 Comment
  CAS-BOT-BC54035  Lithospermum ruderale Annie Montague Alexander; L. Kellogg 1946-6-10 4724 Modoc Near bottom of slope facing Lower Lake, Lava bench between Lower and Snake lakes. Comment
  CAS-BOT-BC54038  Lithospermum ruderale R. M. Austin 1894-6-1 s.n. Modoc Willow Creek Valley. Comment
  POM260351  Lithospermum ruderale C. L. Hitchcock 1940-5-27 6654 Modoc 9 miles northeast of Alturas. 1402 Comment
  POM126231  Lithospermum ruderale M. French Gilman 649 Modoc Dry slopes. Comment
  POM72725  Lithospermum ruderale Mrs. R. M. Austin 524 Modoc Goose Lake Valley. Comment
  RSA59535  Lithospermum ruderale E. K. Balls 1950-5-20 14804 Modoc 1.2 miles below Mill Creek Falls Public Camp, towards Jess Valley Comment
  CHSC39004  Lomatium bicolor J. D. Jokerst 1983-7-18 1855 Modoc At Miller's Flat NW of Aden. Comment
  CAS-BOT-BC21456  Lomatium bicolor var. leptocarpum Alice Eastwood; John Thomas Howell 1940-6-14 8211 Modoc 8 mi. NW of Canby. Comment
  CAS-BOT-BC21429  Lomatium canbyi Bruce Bartholomew; M; M. Gilbert; L. E. Skog 1993-5-12 6521 Modoc Adjacent to Turner Creek at County Rd 90, N end of Big Valley, 6.4 km N of Lassen County border. 1560 Comment
  CAS-BOT-BC30127  Lomatium foeniculaceum subsp. macdougalii Bruce Bartholomew 1993-6-13 6613 Modoc Near the Nevada border, E of Eagleville, Surprise Valley. 1510 Comment
  RSA657119  Lomatium grayi G. L. Clifton 1995-5-17 34182 Modoc Surprise Valley Road, 2.9 miles north of Lake City. 1390 Comment
  CAS-BOT-BC497342  Lomatium grayi G. Schoolcraft 1999-7-13 2866 Modoc Warner Mts. N of Stowe Reservoir 1981 Comment
  NY1141604  Lomatium hendersonii B. M. Bartholomew 1993-5-13 6533 Modoc Just west of Mud Lake on road to West Valley Reservoir 1460 Comment
  RSA584730  Lomatium hendersonii Bruce Bartholomew, Gilbert, L. Skog 1993-5-13 6533 Modoc Just W of Mud Lake on road to West Valley Reservoir., 41 12 9N, 120 26 1W 1460 Comment
  SEINET230255  Lomatium leptocarpum Arnold Tiehm 1984-7-30 8827 Modoc 8.9 road miles NE of Ft. Bidwell on the main road to Adel just past the road summit 1615 Comment
  SEINET8688103  Lomatium leptocarpum G. Schoolcraft 1998-5-19 2708 Modoc 0.5 miles E of Hwy 395 on Hwy 299 E of Alturas 1387 Comment
  CAS-BOT-BC30140  Lomatium macrocarpum Leland S. Smith 1919-5-9 1097 Modoc Jess Valley Ridge. 1706 Comment
  CAS-BOT-BC30142  Lomatium macrocarpum E. S. Willits 1940-4-27 194 Modoc Davis Creek. Comment
  SEINET229583  Lomatium marginatum Gary Schoolcraft 1981-6-6 378 Modoc Ne of Alturas California 1524 Comment
  NY1066292  Lomatium nevadense B. M. Bartholomew 1989-4-29 4669 Modoc 6.4 km E of Fort Bidwell on road to Fee Reservoir, NE corner of Surprise Valley. 1460 Comment
  JEPS89904  Lomatium nevadense var. nevadense Dean W. Taylor 1992-5-8 12569 Modoc ca. 0.5 mi. e. Moonlite Mines (Mt. Bidwell); Warner Mts., Mt. Bidwell 7 1/2 Quad. 1990 ed. 2432 Comment
  HSC21547  Lomatium nevadense var. nevadense M. T. Milligan 1966-5-14 609 Modoc Plateau W of Jess Valley 1829 Comment
  SEINET5333556  Lomatium nevadense var. nevadense D. Neal 1960-5-16 R- 50 Modoc 5 mi. NE of Likely Comment
  HSC28826  Lomatium nevadense var. parishii D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19505 Modoc Big Valley Summit, 6 mi. W of Adin on Hwy. 299 Comment
  UC748244  Lomatium nudicaule Annie M. Alexander and Louise Kellogg 1946-6-14 4771 Modoc Silver Creek branch of Patterson Mill rd. 1828 Comment
  CAS-BOT-BC15769  Lomatium nudicaule 1976-5-1 9 LM76 Modoc Devils Garden N of Alturas. 1402 Comment
  RSA149056  Lomatium nudicaule I. L. Wiggins, Dorothy Wiggins 1961-6-13 16471 Modoc Roadside 2.4 mi. S of village of Davis Creek, SE side of Goose Lake. Comment
  RSA504593  Lomatium nudicaule Bruce Bartholomew, B. Anderson 1988-6-23 4292 Modoc South side of Egg Lake, ca. 1.5 km west of the Burlington Northern railroad track 1300 Comment
  UC21247  Lomatium nudicaule Milo S. Baker 1893-6 Modoc Comment
  CAS-BOT-BC15728  Lomatium piperi Leland S. Smith 1920-7-14 1196 Modoc Grizzleys, Long Meadows 1402 Comment
  CAS-BOT-BC15730  Lomatium piperi Bruce Bartholomew; M; M. Gilbert; L. E. Skog 1993-5-11 6496 Modoc Junction of Crowder Flat Road and the road to the N side of Big Sage Reservoir. 1580 Comment
  HSC80778  Lomatium triternatum G. M. Riegel 1980-8-27 1114 Modoc S Warner Mtns. 1739 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
  UC726879  Lomatium triternatum var. macrocarpum A. A. Heller 1941-6-26 16215 Modoc four mi e Canby Comment
  CAS-BOT-BC21404  Lomatium triternatum var. triternatum Alice Eastwood; John Thomas Howell 1940-6-11 8030 Modoc 8 mi. from Canby on road to Alturas. Comment
  CAS-BOT-BC21405  Lomatium triternatum var. triternatum John Thomas Howell 1934-6-12 11998 Modoc 6 mi. S of Davis Creek. Comment
  CAS-BOT-BC21408  Lomatium triternatum var. triternatum John Thomas Howell 1934-6-13 12080 Modoc Fandango Pass. 1828 Comment
  CAS-BOT-BC21411  Lomatium triternatum var. triternatum Mrs. H. C. Cantelow 1940-5-31 4508 Modoc 3 mi. E of Canby. Comment
  CAS-BOT-BC21413  Lomatium triternatum var. triternatum K. Paulson; Robert Paulson 1989-5-8 105 Modoc Howard's Gulch, along Hwy 139. 1371 Comment
  CAS-BOT-BC21414  Lomatium triternatum var. triternatum Bruce Bartholomew 1990-6-18 5370 Modoc SW side of Goose Lake, 2 km N of McGinty Point. 1420 Comment
  CAS-BOT-BC21418  Lomatium triternatum var. triternatum M. M. Hanna 1956-6-4 s.n. Modoc Cedar Pass. Comment
  CAS-BOT-BC21415  Lomatium triternatum var. triternatum 1976-5-29 8 LM76 Modoc Devils Garden N of Alturas. 1402 Comment
  CAS-BOT-BC21401  Lomatium vaginatum Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-13 16473 Modoc Roadside 2.4 mi. S of Davis Creek. Comment
  CAS-BOT-BC21403  Lomatium vaginatum Isabelo T. Kelly 1930-1-1 62 Modoc Modoc County. Comment
  UC28535  Lonicera interrupta Milo S. Baker 1893-8-13 Modoc Comment
  UC28565  Lonicera involucrata var. involucrata Mrs. R. M. Austin and Bruce July 1898 2355 Modoc Mt. Bidwell 2438 Comment
  CAS-BOT-BC181967  Lotus corniculatus Bruce Bartholomew 1989-8-10 5030 Modoc Little Hot Spring Valley, 3.2 km NW of Day. 1070 Comment
  JEPS123857  Lotus corniculatus Lowell Ahart, John Dittes 2015-7-16 20379 Modoc Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. Comment
  CDA13454  Lotus denticulatus G. F. Hrusa, T. D. Wilfred 1996-7-21 13301 Modoc Modoc Plateau; Adjacent to Modoc Co. Rd. 90 bridge over Pit River. E base of Splawn Mtn. N end of Big Valley. 1267 Comment
  NY704619  Lotus denticulatus M. J. Williams 1984-6-20 84- 82 --2 Modoc 13.4 miles west along Parker Creek Road 1585 Comment
  RSA149059  Lotus denticulatus I. L. Wiggins, Dorothy B. Wiggins 1961-6-13 16475 Modoc Roadside 2.4 mi. S of village of Davis Creek, SE side of Goose Lake. Comment
  CAS-BOT-BC181952  Lotus humistratus D. Isley; I. Isley 1971-7-11 11373 Modoc Intersection of State highways 139 and 299. 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
  CHSC106331  Lotus purshianus var. purshianus Lowell Ahart; John Dittes 2010-8-30 17068 Modoc About 5 yards east of fence, south edge of the meadow, Ash Creek State Wildlife Area, 2300 feet north of Lassen County line, 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  CAS-BOT-BC181927  Lupinus C. P. Smith 1947-6-13 47462 Modoc Highway 395, Pine Creek (town) 0.8 mi. S. Comment
  CAS-BOT-BC181932  Lupinus Clare Butterworth Hardham 1961-6-19 7837 Modoc Davis Creek. 1676 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
  RSA554810  Lupinus Margaret J. Williams, Thad Holcomb, Betty Holcomb, Lois Saxton 1988-5-28 88- 24 -1 Modoc Grade up to Crowder Flat from Hwy 229, W of Alturas. 1479 Comment
  CAS-BOT-BC181924  Lupinus albifrons R. M. Austin; C. C. (Mrs.) Bruce 1898-6-1 2146 Modoc Hills. Comment
  CAS-BOT-BC181904  Lupinus arbustus Elmer Ivan Applegate 1929-6-24 5885 Modoc Between Lookout and Adin, upper Pitt River region. Comment
  CAS-BOT-BC181912  Lupinus arbustus Betty J. Hammerly 1941-6-20 34 Modoc Clear Lake. 1767 Comment
  RSA59734  Lupinus arbustus subsp. calcaratus E. K. Balls 1950-5-20 14798 Modoc 1.5 miles below Clear Lake, from Likely, South Fork Pitt River. 1677 Comment
  CAS-BOT-BC182182  Lupinus argenteus Mrs. H. C. Cantelow 1940-5-31 Modoc 1.8 mi. W of Canby. Comment
  LA205002  Lupinus argenteus Alice Eastwood; John Thomas Howell 1940-6-13 8137 Modoc W side of Fandango Pass Comment
  UC527344  Lupinus argenteus C. B. Wolf 1931-9-4 2398 Modoc Canby 1325 Comment
  RSA32937  Lupinus argenteus A. A. Heller 1938-6-24 15222 Modoc Occasional clumps in gravel on slopes between Alturas and Canby. 1341 Comment
  SEINET3145124  Lupinus argenteus L. S. Rose 1940-6-14 40564 Modoc Kelly Hot Springs 1341 Comment
  SEINET10870583  Lupinus argenteus subsp. argenteus Charles Piper Smith 1947-6-13 Smith 47450 Modoc Hwy 299, 2.5 miles s Comment
  CHSC118290  Lupinus argenteus var. argenteus L. P. Janeway 2016-5-18 12050 Modoc Modoc Palteau. Between Goose Lake and the Devils Garden area; uplands along southeast side of Goose Lake about 2.1 air-km southwest of north end of Road 48 causeway across the lake. 1434 Comment
  NY736760  Lupinus argenteus var. argenteus H. P. Bracelin 1931-6-30 500 Modoc Alturas 1524 Comment
  OBI5674  Lupinus argenteus var. argenteus Carl B. Wolf 1931-9-4 2398 Modoc Canby 1326 Comment
  POM299303  Lupinus argenteus var. argenteus H. C. Cantelow 1940-5-31 s.n. Modoc 18 miles west of Canby. Comment
  CAS-BOT-BC182082  Lupinus argenteus var. heteranthus Alice Eastwood; John Thomas Howell 1940-6-13 8124 Modoc Near Davis Creek. Comment
  CAS-BOT-BC182104  Lupinus argenteus var. heteranthus John Thomas Howell 1934-6-14 12181 Modoc Near North Fork of Baxter Creek, Warner Mts. 1524 Comment
  CAS-BOT-BC182107  Lupinus argenteus var. heteranthus Elmer Ivan Applegate 1923-9-17 3830 Modoc SE of Lower Klamath Lake. Comment
  CAS-BOT-BC182112  Lupinus argenteus var. heteranthus R. M. Austin 1898-7-1 2147 Modoc Lake shore. Comment
  CAS-BOT-BC182118  Lupinus argenteus var. heteranthus Bruce Bartholomew 1991-5-25 5759 Modoc Turner Creek at County Rd. 90, N end of Big Valley, 6.4 km N of Lassen County line. 1230 Comment
  CAS-BOT-BC182124  Lupinus argenteus var. heteranthus Elmer Ivan Applegate 1929-6-25 5905 Modoc Willow Ranch, Goose Lake Valley. Comment
  NY736941  Lupinus argenteus var. heteranthus B. M. Bartholomew 1990-6-17 5298 Modoc Along Emerson Creek, 3.9 km southwest of County Road 1, east side of Warner Mountains 1700 Comment
  SBBG22272  Lupinus argenteus var. heteranthus C. B. Hardham 1961-6-19 7837 Modoc Davis Crk 1676 Comment
  UC1332124  Lupinus argenteus var. heteranthus Alice Eastwood, John Thomas Howell 1940-6-13 8137 Modoc w side Fandango Pass; w side of Fandango Pass Comment
  UC748291  Lupinus argenteus var. heteranthus Annie M. Alexander and Louise Kellogg 1946-7-23 5052 Modoc on ne slope Emerson Peak; Warner Mountains, ne slope Emerson Peak Comment
  NY736937  Lupinus argenteus var. heteranthus R. M. Austin 07 1898 2143 Modoc Comment
  CAS-BOT-BC181891  Lupinus brevicaulis Bruce Bartholomew 1991-6-22 5843 Modoc E side of Surprise Valley, 9.6 km E of Eagleville at the Nevada border. 1520 Comment
  HSC28501  Lupinus caudatus D. H. Norris, T. Nelson, S. Dowty 1971-6-23 19471 Modoc Upper Rush Creek Campground, about 8 mi. N of Adin on Hwy. 299 Comment
  POM266088  Lupinus caudatus C. Leo Hitchcock 1940-5-27 6653 Modoc 9 miles northeast of Alturas. 1402 Comment
  RSA163773  Lupinus caudatus Clare B. Hardham 1961-6-19 7837 Modoc Davis creek. 1677 Comment
  CAS-BOT-BC181884  Lupinus latifolius Mrs. H. C. Cantelow 1940-6-1 Modoc 12.5 mi E of Alturas. Comment
  CAS-BOT-BC181887  Lupinus latifolius C. L. Hitchcock 1940-5-27 6664 Modoc 15 mi. NW of Alturas. 1615 Comment
  HSC14855  Lupinus latifolius M. T. Milligan 1966-8-3 637 Modoc W slope of Eagle Peak 2439 Comment
  POM266050  Lupinus latifolius subsp. viridifolius C. Leo Hitchcock 1940-5-27 6664 Modoc 15 miles northeast of Alturas. 1616 Comment
  RSA582465  Lupinus laxiflorus Louis C. Wheeler 1935-9-6 3958 Modoc Tuttle Place, W side Goose Lake. 1463 Comment
  NY747264  Lupinus lepidus var. lobbii B. M. Bartholomew 1990-8-4 5645 Modoc Top of pass on Summit Trail, ca. 0.5 km southeast of Patterson Lake, east side of Warner Mountains 2800 Comment
  CAS-BOT-BC181862  Lupinus lepidus var. sellulus M. M. Hanna 1956-6-7 1007 Modoc Highway 139, open glade betweem Canby and Tienesta. Comment
  SJSU9655  Lupinus lepidus var. sellulus W. Savage 1979-7-8 1491 Modoc N end Fairchild Swamp Unit, Triangle, Devils Garden District, Modoc National Forest Comment
  CAS-BOT-BC181857  Lupinus leucophyllus K. Paulson; Robert Paulson 1988-6-19 43 Modoc Cottonwood Flat. 1524 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-BC181847  Lupinus microcarpus var. microcarpus Bruce Bartholomew 1990-6-18 5376 Modoc 5.5 km N of Hwy 299 on Crowder Flat Rd. 1450 Comment
  JEPS119666  Lupinus microcarpus var. microcarpus Lowell Ahart, John Dittes 2012-7-11 18342 Modoc About 1/2 mile southeast of the Pilot Butte Parking Lot, north edge of Ash Creek floodplain, about 1.5 miles (air) south of County Road 87, about 7.5 miles (air) west of Adin, about 10.2 miles (air) east of Lookout, Big Valley. Comment
  CAS-BOT-BC181828  Lupinus polyphyllus var. burkei Francis Dorris Payne 1931-6-25 258 Modoc Pine Creek Basin, Warner Mts. 2316 Comment
  NY747604  Lupinus polyphyllus var. saxosus B. M. Bartholomew 1988-5-13 4149 Modoc Along Parker Creek Road, at the border of Modoc National Forest and ca. 16 km WSW of Alturas, side of the Warner Mountains 1580 Comment
  NY747607  Lupinus polyphyllus var. saxosus B. M. Bartholomew 1993-5-13 6530 Modoc Just west of Forest Service on Parker Creek Road between Alturas and Pepperdine 1520 Comment
  NY747609  Lupinus polyphyllus var. saxosus M. J. Williams 1988-5-30 88- 22 --1 Modoc Crowder Flat Road, northwest of Alturas 1524 Comment
  SEINET8061400  Lupinus polyphyllus var. saxosus M. J. Williams 1988-5-30 88- 22 -1 Modoc Crowder Flat road, NW of Alturas 1524 Comment
  RSA59818  Lupinus ruber E. K. Balls 1950-5-13 14685 Modoc Along west shore road, Goose Lake, 10.3 miles south of Oregon - California border. 1463 Comment
  RSA520476  Lupinus ruber Bruce Bartholomew, B. Anderson 1989-4-28 4645 Modoc 8.8 km N of State hwy 299 on road to Raker and Thomas Reservoir. 1470 Comment
  CAS-BOT-BC181808  Lupinus saxosus Bruce Bartholomew 1991-5-25 5762 Modoc N side of the Pit River, ca. 10 km W of Hwy. 299 on Stone Coal Road. 1320 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-BC181822  Lupinus saxosus Bruce Bartholomew; Barrett Anderson 1988-5-13 4149 Modoc Along Parker Creek Road, at the border of Modoc National Forest and ca. 16 km WSW of Alturas, side of the Warn 1580 Comment
  RSA486801  Lupinus saxosus Bruce Bartholomew, B. Anderson 1988-5-13 4149 Modoc Along Parker Creek Road, at the border of Modoc National Forest and 16 km WSW of Alturas, side of the Warner Mtns. 1580 Comment
  RSA325721  Lupinus subvexus var. subvexus A. Tiehm 8833 Modoc North edge of Lake Annie on the west side of Bidwell Mt., NE of Ft. Bidwell. 1530 Comment
  RSA372065  Lupinus subvexus var. subvexus A. Tiehm 1984-6-30 8833 Modoc N edge of Lake Annie on the W side of Bidwell Mt, NE of Ft. Bidwell. 1530 Comment
  CAS-BOT-BC245039  Luzula comosa Bruce Bartholomew; Barrett Anderson 1988-7-23 4566 Modoc Dismal Swamp, Warner Mts.. 2180 Comment
  HSC26005  Luzula comosa D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19523 Modoc At Big Valley summit about 6 mi. W of Adin on Hwy. 299 Comment
  CHSC109213  Luzula comosa var. laxa L. P. Janeway; B. Castro 2012-7-24 10960 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 Yellow Mountain Dismal Swamp. 2250 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
  SDSU7292  Lycopus asper D. F. Howe 1966-7-26 4304 Modoc 1.3 miles north of Lassen-Modoc Co. line, east of Warner Mts., Modoc Co. 1341 Comment
  RSA628301  Machaeranthera canescens var. shastensis L. C. Wheeler 1973-8-26 s.n. Modoc Warner Mountains: 1 1/2 mile north of Sworinger Reservoir. 1767 Comment
  CAS-BOT-BC49427  Madia citriodora David Daniels Keck; Jens Chr. Clausen 1935-6-24 3714 Modoc 3 mi. NE of Willow Ranch, east of Goose Lake 1554 Comment
  JEPS5970  Madia citriodora Frances D. Payne 1932-6-10 531 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  CAS-BOT-BC49440  Madia exigua Barrett Anderson 1986-7-9 3135 Modoc Roney Flat Rd just off Hwy 299. 1435 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
  UC33230  Madia exigua Mrs. R. M. Austin August, 1894 Modoc Sugar Loaf Hill Comment
  RSA503052  Madia exigua Bruce Bartholomew, B. Anderson 1988-6-23 4225 Modoc 2.1 km SSE of Day on the road to State Highway 299. 1020 Comment
  CAS-BOT-BC334657  Madia glomerata H. M. Hall 1921-9-9 11668 Modoc Along Klamath Falls-Alturas Road, Northern Modoc County Comment
  HSC5977  Madia gracilis M. T. Milligan 1965-6-30 401 Modoc Slopes and ridges E of Jess Valley 1768 Comment
  CAS-BOT-BC242039  Maianthemum racemosum M. M. Hanna 1956-6-5 976 Modoc Cedar Pass. Comment
  UCD139122  Maianthemum stellatum Verne Grant; Irving Schneider 1947-7-22 8141 Modoc North Fork of Pit River on Highway 395, about one mile north of junction with Cedarville road. Comment
  HSC100157  Malus pumila J. P. Smith, & J. O. Sawyer 2011-8-14 13371 Modoc Along Plum Valley Road, E of Davis Creek. 1494 Comment
  RSA550542  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-BC179870  Marrubium vulgare John H. Hatton 1911-6-22 149 Modoc Modoc County, lava formation. 1615 Comment
  CAS-BOT-BC30189  Marsilea oligospora D. Toren; Barbara Trowbridge 1975-6-21 5313 Modoc In Boles Creek, between Crowder Flat and Clear Lake. 975 Comment
  UCD169464  Marsilea oligospora Louis C. Wheeler 1935-9-18 3993 Modoc Everly Reservoir, Devil's Garden. 1524 Comment
  CHSC112096  Matricaria discoidea Lowell Ahart; John Dittes 2012-7-12 18353 Modoc In the parking area on the east side of Elkins Lane, northeast of the homestead, about 300 yards north of the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1295 Comment
  CHSC117571  Matricaria occidentalis Lowell Ahart; John Dittes 2016-7-14 21156 Modoc 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
  HSC1664  Melica bulbosa M. T. Milligan 1965-7-10 424 Modoc West slope of Eagle Peak 2439 Comment
  HSC80846  Melica bulbosa G. M. Riegel 1979-7-12 525 Modoc 2100 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
  POM299024  Melica stricta Marion Ownbey, Fred G. Meyer 1940-7-1 2152 Modoc Cedar Peak, Warner Mountains. Comment
  UC705880  Melica stricta Marion Ownbey, Fred G. Meyer 1940-7-1 2152 Modoc Cedar Peak; Warner Mts. Comment
  SD113590  Melilotus officinalis Darley F. Howe 1964-8-2 3926 Modoc Vacant lot, Alturus Comment
  CAS-BOT-BC179867  Mentha arvensis Bruce Bartholomew 1990-8-3 5616 Modoc 8 km E of Likely on road to Jess Valley. Along S Fork of the Pit River. 1420 Comment
  JEPS124363  Mentha arvensis Lowell Ahart, John Dittes 2015-7-16 20359 Modoc Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. Comment
  UCD125038  Mentha canadensis Verne Grant; Irving Schneider 1947-7-18 8050 Modoc Eastside canal five miles north of Bayley's Bridge, south of Alturas. Comment
  CAS-BOT-BC179133  Mentzelia dispersa R. M. Austin; C. C. (Mrs.) Bruce 1898-6-1 2367 Modoc Goose Lake. Comment
  CAS-BOT-BC179136  Mentzelia dispersa Bruce Bartholomew 1989-7-15 4999 Modoc Sweagert Flat. 1860 Comment
  CAS-BOT-BC179146  Mentzelia dispersa Betty J. Hammerly 1941-6-20 39 Modoc Between Mill Creek Public Camp and Clear Lake. 1767 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
  UC725538  Mentzelia dispersa A. A. Heller 1941-6-26 16214 Modoc 8 m w Alturas (along U.S. Highway #299.); Juniper Belt Comment
  RSA518559  Mentzelia laevicaulis George K. Helmkamp 1990-9-23 H- 6 Modoc US Hwy 395, 13 mi. N of Likely. 1341 Comment
  UCR64881  Mentzelia laevicaulis George K. Helmkamp 1990-9-23 H- 6 Modoc US Hwy 395, 13 mi north of Likely 1345 Comment
  CAS-BOT-BC179113  Mentzelia veatchiana Bruce Bartholomew 1991-6-22 5836 Modoc E slope of S end of Warner Mountains, 3.4 km SW of County Road 1 on road to Patterson. 1620 Comment
  CAS-BOT-BC179116  Mentzelia veatchiana Bruce Bartholomew 1991-6-22 5854 Modoc E side of Surprise Valley, 8.3 km E of Eagleville. 1430 Comment
  CAS-BOT-BC54047  Mertensia cusickii Bruce Bartholomew 1994-5-28 6717 Modoc Vicinity of Cold Spring SE of Sugar Hill, W side of Warner Mts. 1880 Comment
  POM72712  Mertensia oblongifolia Mrs. R. M. Austin 1895-07 511 Modoc Goose Lake Valley. Comment
  RSA59969  Mertensia oblongifolia var. nevadensis E. K. Balls 1950-5-13 14684 Modoc West shore of Goose Lake, 0.5 mile south of Oregon-California State line 1463 Comment
  RSA534714  Mertensia oblongifolia var. nevadensis Bruce Bartholomew 1991-6-21 5802 Modoc Vicinity of Lily Lake, N end of the Warner Mountains. 2030 Comment
  CAS-BOT-BC54020  Mertensia oblongifolia var. oblongifolia E. S. Willits 1940-5-6 224 Modoc Lassen Creek, Willow Ranch. Comment
  CAS-BOT-BC58777  Mertensia oblongifolia var. oblongifolia Bruce Bartholomew 1992-5-15 6301 Modoc Tamarack Flat, E side of the Warner Mountains. 2160 Comment
  CAS-BOT-BC54022  Mertensia oblongifolia var. oblongifolia Belknap C. Goldsmith 1913-5-13 97 Modoc W side of Warner Mts. 1584 Comment
  CAS-BOT-BC95552  Micromonolepis pusilla Bruce Bartholomew; M. Gilbert; L. Skog 1993-5-10 6462 Modoc Near Eagleville Airport, E side of Surprise Valley. 1400 Comment
  CAS-BOT-BC49356  Microseris nutans Annie Montague Alexander; L. Kellogg 1946-7-17 5003 Modoc Benton Meadow, Warner Mountains 2072 Comment
  CAS-BOT-BC49361  Microseris nutans John Thomas Howell 1934-6-11 11977 Modoc Parker Creek, Warner Mountains 1584 Comment
  CAS-BOT-BC49363  Microseris nutans John Thomas Howell 1934-6-13 12057 Modoc Fandango Pass. 1828 Comment
  HSC81137  Microseris nutans G. M. Riegel 1979-7-2 462 Modoc South Warner Mtns. 2100 Comment
  CAS-BOT-BC197901  Microsteris gracilis Leland S. Smith 1920-5-17 1147 Modoc Sears Place. 1645 Comment
  HSC17125  Microsteris gracilis M. T. Milligan 1964-6-20 57 Modoc 2 mi. N on Pencil Rd. from Hwy. 395 1372 Comment
  RSA101505  Microsteris gracilis subsp. gracilis R. Weatherby 1955-7-8 1615 Modoc 7 miles north of Ft. Bidwell, northern Warner Mts. 1875 Comment
  HSC20743  Mimulus guttatus M. T. Milligan 1964-6-6 16 Modoc N side of Dorris Reservoir along shore 1372 Comment
  UC711826  Mimulus guttatus Roxana S. Ferris and Laura Lorraine 1941-8-13 10539 Modoc Patterson Ranger Station, East Creek drainage Warner Mountains, Modoc National Forest 2164 Comment
  RSA550580  Mimulus guttatus Bruce Bartholomew 1991-7-6 5985 Modoc Sand Flat on Loveness Logging Road. 1370 Comment
  UC1602795  Mimulus guttatus Milo S. Baker 1893-7-2 Modoc Comment
  RSA584828  Mimulus latidens Bruce Bartholomew 1993-6-12 6577 Modoc Road to Day Rock from Little Hot Spring Valley. 1250 Comment
  RSA550585  Mimulus layneae Bruce Bartholomew, B. Anderson 1988-6-23 4279 Modoc 4 km W of Day on County road 94. 1340 Comment
  HSC86890  Mimulus lewisii Robert A. Schlising 1978-7-29 3321 Modoc Warner Mtns., Pine Creek Basin in S Warner Wilderness Area Comment
  JEPS10992  Mimulus lewisii L. S. Smith 1917-7-29 884 Modoc Mill Creek warner Mts. 1981 Comment
  UCSB48316  Mimulus nanus var. nanus Hardham, Clare 1961-6-19 Modoc Willow Creek 1676 Comment
  JEPS15588  Mimulus nanus var. nanus Frances D. Payne 1931-6-29 760 Modoc ridge s Granger Pass (pass at head of Granger Creek); Warner Mountains 1981 Comment
  UC998319  Mimulus nanus var. nanus Milo S. Baker 1936-6-14 8312 Modoc a few mi n Quarantine Station (along Malin-Canby highway) Comment
  UC1736252  Mimulus rubellus Dean William Taylor 1988-6-4 9744 b Modoc ca 2.6 mi w of Highway 139 Damons Butte; Modoc Plateau 1341 Comment
  JEPS127153  Mimulus suksdorfii Lowell Ahart, John Dittes 2016-7-16 21250 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
  UC100828  Mimulus tricolor Milo S. Baker Modoc Forestdale Comment
  CAS-BOT-BC95211  Minuartia douglasii Bruce Bartholomew 1995-6-1 6916 Modoc NW edge of Little Hot Spring Valley NW of Day. 1080 Comment
  CAS-BOT-BC95213  Minuartia nuttallii Clare Butterworth Hardham 1961-6-20 7886 Modoc Bidwell Road to Dismal Creek. 2438 Comment
  CAS-BOT-BC95215  Minuartia nuttallii Elmer Ivan Applegate 1932-8-3 8126 Modoc Arid rocky summit of Eagle Peak, Warner Mts. Comment
  NY758253  Mitella pentandra B. M. Bartholomew 1990-7-20 5500 Modoc Tamarack Flat, east side of Warner Mountains 2150 Comment
  UC7700  Mollugo verticillata W. H. Brewer August, 1862 1338 Modoc Eagle Creek Canyon, Hubbard's Ranch, Camp 94 Eagle Creek Canyon; , Hubbard's Ranch, Camp 94 Comment
  SFV18058  Monardella odoratissima J. A. Matos, D. C. Rudolph 1999-8-7 s. n. Modoc 1 mile east of Siskiyou county line along Lava Beds National Monumemt Road. 1310 Comment
  CAS-BOT-BC179369  Monardella odoratissima subsp. glauca Leland S. Smith 1419 Modoc Happy Camp. Comment
  CAS-BOT-BC179371  Monardella odoratissima subsp. glauca Bruce Bartholomew 1995-7-31 7082 Modoc Top of a rocky knob, E of Bald Mountain, E side of the Warner Mts. 2160 Comment
  CAS-BOT-BC179852  Monardella odoratissima subsp. glauca Bruce Bartholomew; Barrett Anderson 1988-7-23 4554 Modoc Road beyond Poison Lake ca. 8 km S of the road from U.S. Highway 395 to Lily Lake, Warner Mts.. 2140 Comment
  RSA83374  Monardella odoratissima subsp. glauca F. W. Peirson 1926-6-25 6897 Modoc Small side canyon 1 mile east of summit on road to Cedarville, across the Warner Mts. Comment
  RSA17430  Monardella odoratissima subsp. glauca Elmer I. Applegate 1932-8-6 8217 Modoc Near summit of Yellow Mountain, near Lily Lake, Bidwell Pass, Warner Mountains. Comment
  CDA33296  Monardella odoratissima subsp. odoratissima Jim Jokerst 1990-8-1 3206 Modoc Lava Beds National Monument; summit and upper west-facing slope of Caldwell Minor near Eastern edge of monument boundary. Comment
  POM228879  Monardella sheltonii Louis C. Wheeler 1935-8-14 3841 Modoc Pine Creek. Warner Mtns. 2012 Comment
  CAS-BOT-BC95550  Monolepis nuttalliana Bruce Bartholomew 1995-6-2 6935 Modoc 6.4 km E of Eagleville, S end of Surprize Valley. 1380 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-BC197519  Montia chamissoi Roxana Stinchfield Ferris; R. Duthie 1919-6-13 25 Modoc Parker Creek near Nat. Forest Boundary. Comment
  UC748122  Montia chamissoi Annie M. Alexander and Louise Kellogg 1946-6-22 4814 Modoc Lake Annie 1524 Comment
  JEPS17722  Montia chamissoi Rimo Bacigalupi with G. T. Robbins 1955-7-19 5383 Modoc Modoc National Forest, Soup Spring Meadow, southern Warner Mountains Soup Spring Meadow; Warner Mountains, Modoc National Forest, Soup Spring Meadow 2072 Comment
  CHSC107374  Montia dichotoma Lowell Ahart; John Dittes 2011-6-22 17551 Modoc On the west side of the road, about 50 yards north of the Pilot Butte Parking Lot, north edge of Ash Creek Floodplain, 1.1 miles (air) south of County Road 87, 7.7 miles (air) west of Aden, 10 miles (air) east of Lookout, Big Valley. 1264 Comment
  CAS-BOT-BC197549  Montia linearis E. S. Willits 1940-5-17 266 Modoc Willow Ranch. Comment
  SEINET4925043  Montia linearis K. L. Chambers, P. Dorris 1963-5-4 2019 Modoc Hwy. 139, ca. 20 mi. s. of Tulelake Comment
  CAS-BOT-BC247569  Muhlenbergia asperifolia Herbert Louis Mason 1947-8-15 13542 Modoc Mouth of Crane Creek on Willow Ranch. Comment
  CAS-BOT-BC247571  Muhlenbergia asperifolia Herbert Louis Mason 1947-8-15 13542 Modoc Mouth of Crane Creek on Willow Ranch. Comment
  CAS-BOT-BC498753  Muhlenbergia asperifolia L. S. Smith 1924-7-24 s.n. Modoc Modoc Forest: East side Warner Mtns near Deep Creek R.S. 1676 Comment
  UCD86891  Muhlenbergia richardsonis A. A. Beetle 1941-6-29 2836 Modoc Near summit of Mt. Adin. 1828 Comment
  UCD86906  Muhlenbergia richardsonis Beecher Crampton 1960-6-17 5678 Modoc 2 miles north of Perez, Timber Mountain Fire Station. 1280 Comment
  UC1731496  Myosurus apetalus Dean Wm. Taylor with Glenn L. Clifton 1992-5-7 12530 Modoc just above western rim of Black Canyon (0.5 mi downstream of Duncan Reservoir, in creek draining the reservoir, Modoc Plateau); Modoc Plateau 1524 Comment
  UC1101354  Myosurus apetalus Herbert L. Mason 1957-6-21 14704 Modoc w side of Said Valley Comment
  CAS-BOT-BC217295  Myosurus minimus Bruce Bartholomew; Barrett Anderson 1988-5-14 4200 Modoc Pease Cabin, 0.8 km E of Fletcher Creek on USFS road 47N09 between Goose Lake and Crowder Flats. 1550 Comment
  JEPS118476  Myosurus minimus Lowell Ahart, John Dittes 2011-6-21 17519 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-BC180055  Myriophyllum sibiricum Bruce Bartholomew 1994-5-29 6726 Modoc 15 km N of State Hwy 299 on State Hwy 139. 1450 Comment
  CDA37306  Myriophyllum spicatum B. Villegas 2008-7-24 s.n. Modoc Alturas; Modoc National Wildlife Refuge; Pond. 0 Comment
  OBI48662  Nama demissa Lewis S. Rose 1940-6-14 40581 Modoc Mammoth Cave, 5 mi W of Perez 1280 Comment
  CHSC67374  Navarretia James D. Jokerst 1986-8-12 2766 Modoc Radar Site Survey S of Doublehead Mtn., vernal pool adjacent to unnamed road ca. 0.5 mi S of its jct. With the E-W road to Doublehead Mtn. Comment
  NY1012733  Navarretia breweri A. J. Cronquist 1959-6-20 8528 Modoc Cedarville Pass; Warner Mountains between Cedarville and Alturas 1920.2 Comment
  RSA73726  Navarretia breweri Alice Eastwood, J. T. Howell 1940-6-13 8133 Modoc West side of Fandango Pass. Comment
  CAS-BOT-BC198023  Navarretia breweri E. S. Willits 1940-6-9 332 Modoc Beside Twelve Mile Creek. Comment
  UC1025106  Navarretia breweri Leo Whitney 1934-5-18 1925 Modoc Ingall's Swamp, ne portion of Modoc Co. Modoc National Forest, Devil's Garden 1524 Comment
  HSC16998  Navarretia capillaris M. T. Milligan 1966-7-29 600 Modoc Slopes and ridges E of Jess Valley 1829 Comment
  CAS-BOT-BC197998  Navarretia divaricata subsp. vividior Lewis Samuel Rose 1940-6-14 40574 Modoc 8 mi NW of Canby. 1524 Comment
  CAS-BOT-BC198006  Navarretia divaricata subsp. vividior Bruce Bartholomew 1991-7-4 5894 Modoc S end of Higgins Flat. 1370 Comment
  UC23519  Navarretia divaricata subsp. vividior Milo S. Baker 1894-6-15 Modoc Little Hot Springs Valley Comment
  RSA73142  Navarretia intertexta F. W. Peirson 1926-6-25 6868 Modoc Cedarville Pass, Warner Mountains Comment
  SBBG30496  Navarretia intertexta D. Myrick 1968-6-20 1979 a Modoc Airport Rd, 7 mi N of Alturas 1524 Comment
  UC1191628  Navarretia leucocephala subsp. minima Herbert L. Mason 1947-8-8 13456 Modoc nw of Alturas (n of Big Sage Reservoir); Ingalls Swamp Comment
  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
  RSA148668  Navarretia sinistra Clare B. Hardham 1961-6-19 7819 -A Modoc Willow Creek. Warner Mountains. Comment
  RSA325010  Navarretia sinistra A. Tiehm 1984-6-30 8843 Modoc NW side of Bidwell Mt., 2.8 road miles north of 8 mile creek on the road from Lake Annie. 1829 Comment
  CHSC111104  Navarretia tagetina Lowell Ahart; John Dittes 2012-7-12 18370 Modoc North edge of Ash Creek, south of the gravil pit, about 1/8 mile east of the parking area on the east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  CAS-BOT-BC95149  Nemacladus capillaris Bruce Bartholomew; Barrett Anderson 1988-6-25 4399 Modoc Ryan Canyon, N of Adin. 1390 Comment
  CHSC112141  Nemacladus capillaris Dean Wm. Taylor 2012-6-19 21244 Modoc Mouth of Baggett Gulch (ca 3 air miles S of Canby), Modoc National Forest. 1463 Comment
  CAS-BOT-BC179309  Nemophila breviflora Bruce Bartholomew 1992-5-15 6311 Modoc Upper end of Pleasants Canyon, W side of Warner Mountains. 1930 Comment
  UC1021924  Nemophila breviflora Rolf Y. Berg 1955-6-22 Modoc w Cedarville (Cedar Pass Campground, Modoc National Forest); Modoc National Forest, w of Cedarville Comment
  CAS-BOT-BC179296  Nemophila parviflora var. austiniae John Thomas Howell 1934-6-12 12026 Modoc Plum Valley. Comment
  CAS-BOT-BC179289  Nemophila pedunculata Bruce Bartholomew; Barrett Anderson 1988-5-12 4095 Modoc White Horse. 1340 Comment
  CAS-BOT-BC179293  Nemophila pedunculata Annie Montague Alexander; L. Kellogg 1946-6-14 4754 Modoc Silver Creek branch of Patterson Mill road. 1828 Comment
  JEPS4033  Nemophila pedunculata Frances D. Payne 1931-6-22 241 B Modoc s and e Alturas (Warner Mountains, Parker Creek, Dry Creek, tributary of); Warner Mountains, Parker Creek, s and e of Alturas 1828 Comment
  UC1178999  Nemophila pedunculata Herbert L. Mason 1947-7-8 13313 Modoc Cedar Pass , Cedar Pass (summit Warner Range) 1920 Comment
  UC71581  Nemophila pedunculata Mrs. M. H. Manning 1903-5-5 107 Modoc near Fort Bidwell (in north-eastern Modoc County); near Fort Bidwell Comment
  RSA76019  Nemophila pedunculata F. W. Peirson 1926-6-25 6896 Modoc Small side canyon 1 mile east of summit, Cedarville Road, Warner Mountains. 1829 Comment
  JEPS31546  Neoholmgrenia andina Milo S. Baker 1894-6-29 Modoc Big Valley Comment
  UC71669  Neoholmgrenia andina Mrs. M. H. Manning 1904-7-16 384 Modoc se slope Mt. Bidwell 1950 Comment
  CHSC118326  Nestotus stenophyllus L. P. Janeway 2016-5-17 12014 Modoc Modoc Plateau. Devils Garden area; flat just below (west of) Porcupine Rim; 0.3 km north of Road 43N18; 4.0 air-km west of Big Sage Reservoir. 1544 Comment
  UC71619  Nestotus stenophyllus Mrs. M. H. Manning 472 Modoc Northeaster Modoc County Comment
  UCD134645  Nestotus stenophyllus G. L. Stebbins Jr.; A. A. Beetle 1942-5-30 3247 Modoc 8.6 miles northwest of Canby, on road to Tule Lake. 1584 Comment
  CAS-BOT-BC245374  Nicotiana attenuata Isabelo T. Kelly 1930-1-1 38 Modoc Cowhead Lake, NE of Fort Bidwell. 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
  RSA183177  Nicotiana attenuata Delzie Demaree 1959-8-15 41473 Modoc Howard Gulch Public Campground. P.O. Canby. Comment
  CAS-BOT-BC49364  Nothocalais alpestris K. Paulson; Robert Paulson 1989-5-8 113 Modoc unspecified 1371 Comment
  CAS-BOT-BC49365  Nothocalais alpestris Elmer Ivan Applegate 1936-5-11 10270 Modoc Juniper Butte, Lava Beds National Monument. Comment
  CAS-BOT-BC49368  Nothocalais troximoides K. Paulson; Robert Paulson 1988-5-24 11 Modoc Parker Creek, Warner Mts.. 1524 Comment
  UC1546992  Nuphar lutea subsp. polysepala Leila M. Shultz, John S. Shultz 1985-6-23 8600 Modoc at crossing 14 mi n of Likely (south fork of the Pit River); Pit River 1371 Comment
  UC71870  Oenothera elata subsp. hirsutissima Mrs. M. H. Manning 1904-7 209 Modoc near Fort Bidwell (ne Modoc Co.) Comment
  JEPS31479  Oenothera flava subsp. flava Frances D. Payne 1930-7-21 222 Modoc ridge w Dry Creek (northern tributary of Parker Creek) (s and e of Alturas, base of cliffs); Warner Mountains 1981 Comment
  CAS-BOT-BC245089  Olsynium douglasii var. douglasii K. Paulson; Robert Paulson 1991-5-25 216 Modoc Near Fletcher Creek. 1584 Comment
  CAS-BOT-BC245090  Olsynium douglasii var. douglasii Bruce Bartholomew; M; M. Gilbert; L. E. Skog 1993-5-11 6512 Modoc 11 km S of Oregon Border along W side of Goose Lake. 1440 Comment
  CAS-BOT-BC245093  Olsynium douglasii var. douglasii E. S. Willits 1940-4-16 179 Modoc Sugar Hill. Comment
  JEPS64297  Olsynium douglasii var. douglasii L. S. Smith 1918-5-18 927 Modoc Cedarville road e Alturas 1676 Comment
  JEPS64298  Olsynium douglasii var. douglasii B. M. Payne 1930-4-19 344 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  CDA36035  Onopordum acanthium C. Pirosko Jul 2003 s.n. Modoc 0 Comment
  UCD134664  Onopordum acanthium T. C. Fuller 1959-7-8 2795 Modoc south side of 4th Street, east of East Street, Alturas. Comment
  CDA7557  Onopordum acanthium T. C. Fuller 1958-7-8 902 -58 Modoc Hunt Estate Ranch, Lookout Road, 3.5 miles west of Adin. 0 Comment
  CDA7562  Onopordum acanthium T. C. Fuller 1958-7-9 900 -58 Modoc South of 4th Street, east of East Street, Alturas. 0 Comment
  JEPS26037  Onopordum acanthium subsp. acanthium T. C. Fuller 1959-7-8 2795 Modoc Alturas; S/4th St., E/East St. Comment
  UCD88279  Orcuttia tenuis R. Preston 2000-7-17 1392 Modoc ca. 9.5 miles NW of Canby, on N side of Highway 139, 3.2 miles E of Forest Service Road 44N11. 300 feet E of outfall of large seasonal lake. 1487 Comment
  CAS-BOT-BC190795  Orobanche corymbosa Bruce Bartholomew 1993-6-13 6611 Modoc Near the Nevada border, E of Eagleville, Surprise Valley. 1510 Comment
  HSC80904  Orobanche corymbosa G. M. Riegel 1980-7-14 882 Modoc S Warner Mtns. 1829 Comment
  RSA0077929  Orobanche corymbosa subsp. corymbosa Louis C. Wheeler 1935-8-28 3927 Modoc Devil's Garden: 1.5 miles S of Lakeshore Reservoir. 1524 Comment
  UC35315  Orobanche fasciculata Milo S. Baker 1893-7-2 Modoc Above flat mountains. Comment
  CAS-BOT-BC95701  Orthilia secunda Elmer Ivan Applegate 1932-8-6 8213 Modoc Moist woods above Lily Lake, Bidwell Mountains. Comment
  CAS-BOT-BC232318  Orthocarpus cuspidatus subsp. copelandii Bruce Bartholomew; Barrett Anderson 1990-7-20 5462 Modoc 4 km N of Buck Creek Ranger Station at turn off to Del Prat Spring, W side of Warner Mts. 1900 Comment
  RSA44249B  Orthocarpus hispidus R. M. Austin 1895-07 537 Modoc Goose Lake Valley. Comment
  CAS-BOT-BC15732  Osmorhiza chilensis Bruce Bartholomew; Barrett Anderson 1990-7-19 5420 Modoc Top of Hunters Ridge S of Rush Creek. 1960 Comment
  HSC21591  Osmorhiza occidentalis M. T. Milligan 1966-7-3 548 Modoc Slopes and ridges E of Jess Valley 1829 Comment
  RSA82806  Osmorhiza occidentalis Mrs. R. M. Austin, Bruce 1898-06 2263 Modoc Lake City Mt. Comment
  UCR34759  Oxyria digyna J. A. Harpel 1981-8-6 V- 43 Modoc Warner Mtns, South Warner Wilderness Area: E end of Patterson Lake, 7 mi NW of Eagleville 2744 Comment
  CAS-BOT-BC50346  Packera cana Alice Eastwood; John Thomas Howell 1940-6-12 8089 Modoc Jess Valley. Comment
  JEPS37603  Packera cana L. S. Smith 1918-7-7 975 Modoc Jess Valley Modoc National Forest 1524 Comment
  HSC6112  Packera eurycephala M. T. Milligan 1964-6-6 13 Modoc N side of Dorris Reservoir along shore 1372 Comment
  CAS-BOT-BC50276  Packera eurycephala var. eurycephala John Thomas Howell 1934-6-11 11915 Modoc Parker Creek. 1584 Comment
  CHSC26575  Paeonia brownii L. Mayer 1974-7-1 Modoc Label said Modoc County (?) Comment
  NY241769  Paeonia brownii B. M. Bartholomew 1989-4-29 4686 Modoc Surprise Valley Road, just S of the Oregon border, extreme NE corner of Modoc County. 1630 Comment
  POM260872  Paeonia brownii Alice Eastwood, John T. Howell 1940-6-13 8117 Modoc Surprise Comment
  RSA59737  Paeonia brownii E. K. Balls 1950-5-20 14795 Modoc South Fork Public Camp, South Fork Pit River, Likely to Clear Lake. 1433 Comment
  RSA434234  Paeonia brownii Christopher Davidson 1975-6-3 2587 Modoc East of Goose Lake, ca. 1 mile south of Willow Ranch on Highway 395 north of Alturas 1341 Comment
  CAS-BOT-BC225851  Parnassia fimbriata Bruce Bartholomew 1994-8-21 6866 Modoc Squaw Peak Trail, E side of the Warner Mountains. 2240 Comment
  RSA551269  Parnassia fimbriata Bruce Bartholomew 1992-8-9 6384 Modoc Creek below Patterson Lake on Squaw Peak Trail to Owl Creek Trail, E side of Warner Mountains. 2650 Comment
  UC1586903  Pectiantia pentandra Juha Pykala and D. H. Norris 1987-5-28 1262 Modoc 3-4 mi w Lake City (by a little stream that runs to Mill Creek); Modoc National Forest, Warner Mountains, Lake City Canyon 1800 Comment
  CAS-BOT-BC498684  Pectocarya penicillata F. D. Douthitt 1916-5-17 28 Modoc Modoc Forest: Flornoy Swale 1828 Comment
  POM203786  Pedicularis groenlandica J. T. Howell 1934-6-14 12140 Modoc Near Lost Lake, Warner Mts. 2439 Comment
  CAS-BOT-BC232307  Pedicularis groenlandica subsp. surrecta K. Paulson; Robert Paulson 1989-7-14 183 Modoc Vicinity of Cave Lake, N end of the Warner Mts. 1987 Comment
  UCR34757  Penstemon davidsonii J. A. Harpel 1981-8-6 V 42 Modoc Warner Mtns, South Warner Wilderness Area: E end of Patterson Lake, 7 mi NW of Eagleville 2744 Comment
  CAS-BOT-BC232338  Penstemon davidsonii var. davidsonii Elmer Ivan Applegate 1932-7-9 7618 Modoc Mt. Bidwell. 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-BC232348  Penstemon davidsonii var. davidsonii Francis Dorris Payne 1929-7-26 s.n. Modoc Mt. Warren, Warner Mountains Comment
  JEPS29105  Penstemon davidsonii var. davidsonii Lauramay T. Dempster 1961-6-20 1715 Modoc ridge just north of junction of Dismal Creek Road with Fort Bidwell Road; Warner Mts. 2346 Comment
  UC1063378  Penstemon deustus M. H. Mitchell 1936-5-21 49 Modoc 2 mi SE Hospital Rock; Modoc Lava Beds Natl. Mon., Dorris Quadrangle 1249 Comment
  UC573267  Penstemon deustus M. H. Mitchell 1936-5-21 49 Modoc 2 mi SE Hospital Rock; Modoc Lava Beds Natl. Mon., Dorris Quadrangle 1249 Comment
  RSA0026212  Penstemon deustus John F. Emmel 1997-6-9 1500 Modoc Eastern foothills of Warner Mts., NE of Fort Bidwell; along County Road 1, 12.5 road miles NE of junction with County Road 6, north of Cow Head Lake, 0.4 air mile NE of BM 5240. 1598 Comment
  CAS-BOT-BC232327  Penstemon deustus var. pedicellatus Leland S. Smith 1917-7-24 114 Modoc Bald Mt. 2438 Comment
  CAS-BOT-BC232370  Penstemon deustus var. pedicellatus Bruce Bartholomew; Barrett Anderson 1988-6-23 4256 Modoc 1.8 km WSW of Day on County Road 94. 1170 Comment
  JEPS11267  Penstemon gracilentus W. L. Jepson 1918-8-7 7872 Modoc Mt. Bidwell 2377 Comment
  UCR80228  Penstemon gracilentus L. C. Wheeler 1935-8-8 3812 Modoc Warner Mtns., North Fork Bidwell Creek 2287 Comment
  JEPS109865  Penstemon heterodoxus var. shastensis Dean W. Taylor 2007-5-16 20183 Modoc Liza Large Flat, on the western edge of the flat (site is ca. 10 air miles NNW of Lookout) 1310 Comment
  CAS-BOT-BC497202  Penstemon heterophyllus John H. Hatton 1911-6-15 106 Modoc Modoc Forest, near Happy Camp 1463 Comment
  UCR80223  Penstemon janishiae Christopher Davidson 1973-5-26 2137 Modoc ST Hwy 299, c. 4 mi west of Canby 1524 Comment
Read comments
Jun 12 2009
  SEINET5328793 Image available Penstemon janishiae M. J. Williams, T. Holcom, B. Holcom; L. Saxton 1988-5-28 88- 24 -2 Modoc Grade up to Crowder Flat from Hwy 299, W of Alturas. Top of steep bank by road 1478 Comment
  UC1586981  Penstemon laetus Juha Pykala and D. H. Norris 1987-5-27 1082 Modoc about 1.5-2 mi from Highway 299 to Modoc National Forest boundary (Crowder Flat Road) 1499 Comment
  CAS-BOT-BC245569  Penstemon roezlii K. Paulson; Robert Paulson 1988-6-11 20 Modoc Barnes Graden, Crowser Flat Rd to Devil's Garden. 1432 Comment
  NY650134  Penstemon roezlii C. L. Hitchcock 1940-5-27 6672 Modoc 15 miles northeast of Alturas 1615.4 Comment
  CAS-BOT-BC245571  Penstemon roezlii Milo Samuel Baker 1893-7-18 s.n. Modoc unspecified Comment
  CAS-BOT-BC497214  Penstemon roezlii Margaret J. Williams; Arnold Tiehm; Jan Nachlinger 1988-6-2 88- 28 -7 Modoc Jess Valley, E of Likely, S of roadside rest Comment
  NY650113  Penstemon roezlii F. W. Pennell 1940-6-7 25734 Modoc Upper valley of Rush Creek, northeast of Adin 1585.0 Comment
  NY650139  Penstemon roezlii A. A. Heller 1941-6-26 16225 Modoc Seven miles west of Canby on State Highway #299 Comment
  POM44789  Penstemon roezlii R. M. Austin 1895-07 579 Modoc Goose Lake Valley. Comment
  UC690359  Penstemon roezlii Elmer I. Applegate 1929-6-24 5886 Modoc along Pitt River above Adin; along Pitt River above Adin Comment
  NY651315  Penstemon rydbergii var. oreocharis C. L. Hitchcock 1940-5-28 6726 Modoc 15 miles north of Alturas 1402.1 Comment
  UC102984  Penstemon rydbergii var. oreocharis Mrs. R. M. Austin 1894-1 180 Modoc Goose Lake Valley Comment
  UC748181  Penstemon rydbergii var. oreocharis Annie M. Alexander and Louise Kellogg 1946-6-12 4728 Modoc Fort Bidwell Fort Bidwell (in meadow) 1444 Comment
  UC27471  Penstemon speciosus Mrs. R. M. Austin and Bruce June 1898 2360 Modoc Hillside Comment
  NY661804  Penstemon sudans M. J. Williams 1988-5-30 8826- 13 Modoc Jess Valley, east of Likely, south of roadside rest 1524.0 Comment
  CAS-BOT-BC214733  Peraphyllum ramosissimum James Vale; Keith Wagnon; Walter Knight; Irja Knight 1981-5-21 4123 Modoc Devil's Garden on Crowder Flat Road, near Alturas. 1706 Comment
  CAS-BOT-BC15709  Perideridia bolanderi subsp. bolanderi Barrett Anderson 1986-7-9 3148 Modoc Crowder Flat Rd, 3.2 km off Hwy 299. 1510 Comment
  CAS-BOT-BC95157  Peritoma platycarpa C. C. (Mrs.) Bruce 1898-6-1 2180 Modoc Likely. Comment
  UCD116239  Peritoma platycarpa Helen K. Sharsmith 1955-6-23 4503 Modoc West Valley Reservoir. Just outside W boundary Modoc National Forest, Warner Mountains. 1524 Comment
  SEINET516148  Persicaria amphibia Vernon H. Oswald 1998-9-8 9592 Modoc County Rd. 95 at Taylor Creek northwest of Lookout and ca. 0.5 air mi northeast of Lookout Junction. 1280 Comment
  CHSC100383  Persicaria maculosa Lowell Ahart; John Dittes 2008-8-25 15288 Modoc On the west bank of the Pit River, about 1/8 mile east of County Road 91,about 3.8 miles (air) north-northeast of Lookout. 1273 Comment
  HSC17557  Persicaria punctata M. T. Milligan 1964-8-21 231 Modoc S end of Dorris Reservoir Dam 1372 Comment
  SJSU11217  Phacelia hastata J. W. Tilden 1958-6-25 1266 Modoc near Monument Hdqtrs, Lava Beds National Monument Comment
  CAS-BOT-BC180006  Phacelia heterophylla subsp. virgata Annie Montague Alexander; L. Kellogg 1946-6-28 4862 Modoc Pine Creek Canyon. 1615 Comment
  CAS-BOT-BC180015  Phacelia heterophylla subsp. virgata Lincoln Constance 1946-7-4 3101 Modoc Above Thom's Creek, 17 mi. NE of Alturas. 1676 Comment
  CAS-BOT-BC180020  Phacelia heterophylla subsp. virgata Bruce Bartholomew 1992-5-14 6275 Modoc SW side of White Horse Mountains, SW of White Horse Flat Reservoir. 1400 Comment
  CDA13457  Phacelia heterophylla subsp. virgata G. F. Hrusa, T. D. Wilfred 1996-7-21 13304 Modoc Modoc Plateau; adjacent to Modoc Co. Rd. 90 bridge over Pit River. E base of Splawn Mtn. N end of Big Valley. Comment
  HSC30189  Phacelia heterophylla subsp. virgata D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19406 Modoc Along Hager Basin Rd. near Big Sage Reservoir. Comment
  JEPS4038  Phacelia humilis Frances D. Payne 1929-7-26 119 Modoc 2 mi sw Warren Peak; Warner Mts., Pine Creek Basin 2133 Comment
  UC735037  Phacelia humilis Lincoln Constance 1946-7-4 3102 Modoc above Thom's Creek (17 mi ne of Alturas); Warner Mountains 1676 Comment
  UC748322  Phacelia humilis Annie M. Alexander and Louise Kellogg 1946-6-5 4660 Modoc s Eagleville; Warner Mountains, Emerson Creek 1783 Comment
  CAS-BOT-BC179975  Phacelia humilis var. humilis Francis Dorris Payne 1932-6-26 613 Modoc Ridge N of Parker Creek. 1828 Comment
  CAS-BOT-BC179987  Phacelia humilis var. humilis D. E. (Mrs. A. A. Beetle) Beetle 1941-6-29 65 Modoc Road to Cedarville, at pass. 2118 Comment
  CAS-BOT-BC179991  Phacelia humilis var. humilis John Thomas Howell 1934-6-13 12062 Modoc Fandango Pass. 1828 Comment
  POM264911  Phacelia humilis var. humilis J. T. Howell 1934-6-13 12062 Modoc Fandango Pass, Warner Mountains. 1829 Comment
  RSA427993  Phacelia humilis var. humilis George Willet 1935-7-21 s.n. Modoc Warner Mountains 2439 Comment
  CAS-BOT-BC179947  Phacelia linearis Annie Montague Alexander; L. Kellogg 1946-6-18 4798 Modoc Patterson Mill-Silver Creek Rd. 1828 Comment
  CAS-BOT-BC179957  Phacelia linearis Bruce Bartholomew; Barrett Anderson 1989-6-2 4779 Modoc Top of Fandango pass, Warner Mountains. 1870 Comment
  CAS-BOT-BC179962  Phacelia linearis Bruce Bartholomew 1990-6-17 5341 Modoc 13 km NW of Surprise Valley Rd on road to Fandango Pass, E side of Warner Mountains. 1800 Comment
  SEINET3158188  Phacelia linearis M. S. Baker 1899-1 sn Modoc Forestdale Comment
  UC71861  Phacelia linearis Mrs. M. H. Manning June 1903 168 Modoc slopes near Fort Bidwell (ne Modoc Co.) Comment
  SBBG22443  Phacelia mutabilis H. and M. Dearing 1939-6-8 3598 Modoc Pine Cyn, Warner Mtns Comment
  CAS-BOT-BC179937  Phacelia ramosissima var. eremophila Annie Montague Alexander; L. Kellogg 1946-6-7 4943 Modoc Eight Mile Creek. 1752 Comment
  RSA165580  Phacelia ramosissima var. eremophila Clare B. Hardham 1961-6-20 7903 Modoc Top of Bidwell Road, Road to Dismal Creek. 2439 Comment
  CAS-BOT-BC179928  Phacelia sericea var. ciliosa Francis Dorris Payne 1932-7-21 721 Modoc Ridge N of Mt Warren. 2438 Comment
  NY1056750  Phacelia tetramera B. M. Bartholomew 1995-5-13 6903 Modoc East of Eagleville near Eagleville Airport, south end of Surprize Valley 1390 Comment
  CAS-BOT-BC179908  Phacelia thermalis Milo Samuel Baker 1899-8-18 Modoc Hot Spring Valley. Comment
  CAS-BOT-BC179917  Phacelia thermalis Alice Eastwood; John Thomas Howell 1940-6-15 8287 Modoc 9 mi. N of Lookout. Comment
  RSA152190  Phacelia thermalis Lincoln Constance, Elwood Molseed, John Weiler 1960-6-13 3678 Modoc Nine miles north of Litchfield. 1220 Comment
  UC1304164  Phacelia thermalis Edward J. O'Neill 1962-6-22 360 Modoc U-peninsula Klamath Basin National Wildlife Refuges, Clear Lake Refuge 1249 Comment
  UC56441  Phacelia thermalis Milo S. Baker 1899-8-18 Modoc Little Hot Spring Valley; ; Little Hot Spring Valley, Modoc Co. Comment
  CDA13475  Phalaris arundinacea G. F. Hrusa, T. D. Wilfred 1996-7-21 13322 Modoc Modoc Plateau; adjacent to Pit River at Modoc Co. Rd. 90 bridge. E base of Splawn Mtn. N end of Big Valley. Comment
  CHSC112098  Phalaris arundinacea Lowell Ahart; John Dittes 2012-7-10 18320 Modoc Along a deep drainage, northeast of the old homestead, Ash creek State Wildlife Area, about 3.4 miles (air) wast of Adin, about 8.2 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  HSC10583  Phleum alpinum M. T. Milligan 1965-7-10 427 Modoc W slope of Eagle Peak. 2439 Comment
  UCSB11830  Phlox diffusa Haller, John 1961-6-25 Modoc Eagleville-Likely road; 0.5 mi W of crest of Warner Mountains; about 3 mi E of Patterson Ranger Station 2286 Comment
  UC106954  Phlox diffusa Mrs. R. M. Austin 1886-1 Modoc hills e Goose Lake Goose Lake Comment
  CAS-BOT-BC197921  Phlox douglasii subsp. rigida John H. Hatton 1911-6-12 43 Modoc Modoc County. 1463 Comment
  RSA488038  Phlox douglasii subsp. rigida Bruce Bartholomew, B. Anderson 1988-5-12 4128 Modoc 13 km NNE of Adin on State Highway 229 at turnoff to Higgins Flat on USFS road 41N11. 1440 Comment
  SBBG6053  Phlox hoodii subsp. canescens H. and M. Dearing 1939-6-9 3628 Modoc near Squaw Peak, Warner Mtns 2133 Comment
  CAS-BOT-BC197894  Phlox hoodii subsp. canescens E. H. Steffen 1917-5-21 6 Modoc West Valley Camp. 1676 Comment
  CAS-BOT-BC197881  Phlox speciosa F. Angwin 1946-5-3 s.n. Modoc Big Valley. 1280 Comment
  CAS-BOT-BC58577  Phoenicaulis cheiranthoides Alice Eastwood; John Thomas Howell 1940-6-13 8139 Modoc Fandango Pass. Comment
  HSC26170  Phoenicaulis cheiranthoides D. H. Norris, T. Nelson, S. Dowty 1971-6-23 19413 Modoc Along Hager Basin Rd. near Big Sage Reservoir. Comment
  HSC6881  Phoenicaulis cheiranthoides M. T. Milligan 1966-5-4 620 Modoc Plateau W of Jess Valley 1829 Comment
  JEPS90372  Phoenicaulis cheiranthoides Dean W. Taylor 1992-5-8 12559 Modoc ca. 0.5 mi e Moonlite Mines ((Mt. Bidwell 7 1/2' USGS quadrangle, 1990 edition)); Warner Mountains, Mt. Bidwell 2432 Comment
  NY182049  Phoenicaulis cheiranthoides B. M. Bartholomew 1988-5-13 4152 Modoc Along Parker Creek Road, .5 km W of West Warner Road on Parker Creek Road, W side of the Warner Mountains. 1650 Comment
  NY182050  Phoenicaulis cheiranthoides B. M. Bartholomew 1988-5-13 4159 Modoc 4 km NW of Pepperdine, gentle W facing slope near top of the Warner Mountains. Comment
  UC1037295  Phoenicaulis cheiranthoides Leo Whitney 1934-5-20 1656 Modoc Modoc National Forest, Devil's Garden, northeast portion of county Devil's Garden; Modoc National Forest, Devil's Garden 1524 Comment
  UC856738  Phoenicaulis cheiranthoides C. L. Hitchcock 1940-5-27 6673 Modoc 15 mi ne of Alturas 1615 Comment
  UCD116146  Phoenicaulis cheiranthoides Geo. C. Wood 1940-4-25 s.n. Modoc Fleming Ranch s.e. end of Goose Lake. 1524 Comment
  CAS-BOT-BC134911  Phoradendron bolleanum Paul F. Covel 1939-8-13 1622 Modoc Lava Beds Nat. Mon. at hdqtrs. Comment
  SEINET7297281 Image available Phragmites australis Herbert L. Mason 1947-1 13501 Modoc Highway 81, north of Modoc- Lassen County Line Comment
  UCR78711  Pinus albicaulis David A. Charlet 1989-8-17 559 Modoc Warner Mtns., 1.3 km NW of Eagle Peak. 2550 Comment
  UCSB31430  Pinus albicaulis Haller, John 1978-7-19 Modoc Summit ridge of Warner Mountains, 1 km. north of the Likely-Eagleville Road 2377 Comment
  UC401406  Pinus contorta subsp. murrayana Belknap C. Goldsmith 1911-6-14 30 Modoc N. Fk. Davis Ck. Modoc National Forest, Warner Mts., N. Fk. Davis Ck. (w slope Warner Mts., wet springy flat) 1889 Comment
  POM120072  Pinus contorta var. murrayana Mrs. R. M. Austin 1895-08 267 Modoc Goose Lake Comment
  UC711836  Pinus ponderosa Roxana S. Ferris and Laura Lorraine 1941-8-13 10546 Modoc Patterson Ranger Station Warner Mts, Modoc national Forest, Patterson Ranger Station 2164 Comment
  CAS-BOT-BC80048  Pinus washoensis B. Bartholomew 1990-8-5 5664 Modoc Summit Trail, ca. 2 km N of Patterson Ranger Station, W side of Warner Mts. 2400 Comment
  NY60274  Pinus washoensis B. M. Bartholomew 1994-7-2 6821 Modoc Just north of South Fork of Davis Creek near the crest of the Warner Mountains 2300 Comment
  UC71858  Piperia unalascensis Mrs. M. H. Manning 1903-7-9 41 Modoc Warner Range, ne Modoc County Warner Range 1828 Comment
  RSA0113963  Plagiobothrys cusickii Lowell A. Ahart, John Dittes 2013-7-24 18920 Modoc 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
  UC1191843  Plagiobothrys cusickii Herbert L. Mason and Verne Grant 1947-7-12 13415 Modoc s of Alturas (near s end of w side road); Pit River Valley Comment
  SJSU9597  Plagiobothrys cusickii W. Savage 1979-7-5 1364 Modoc Triange, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  CAS-BOT-BC58797  Plagiobothrys mollis var. mollis Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-16 16523 Modoc Near Cloverswale Creek, 4.8 mi. NE of Canby. Comment
  RSA152443  Plagiobothrys salsus I. L. Wiggins, Dorothy Wiggins 1961-6-12 16446 Modoc Lane on Phipp s Ranch, about 14 miles N of Cedarville, Suprise Valley. Comment
  CAS-BOT-BC58739  Plagiobothrys scouleri Roxana Stinchfield Ferris; R. Duthie 1919-6-13 26 Modoc Parker Creek at Modoc Nat. Forest Boundary. Comment
  CAS-BOT-BC58760  Plagiobothrys scouleri John Thomas Howell 1934-7-2 12360 Modoc Near mouth of Willow Creek, NE side of Clear Lake. Comment
  CAS-BOT-BC58762  Plagiobothrys scouleri Herbert Louis Mason; Verne Grant 1947-7-12 13408 Modoc W side of South Fork of Pit River Valley, SW of Alturas. Comment
  RSA210864  Plagiobothrys scouleri var. hispidulus R. F. Thorne, J. Henrickson, C. W. Tilforth 1969-9-4 39104 Modoc N Fork of Pit River 3.4 mi N of Alturas where crossed by Hwy 395. 1341 Comment
  RSA59935  Plagiobothrys scouleri var. hispidulus E. K. Balls 1950-5-13 14667 Modoc Goose Lake, east shore, near Willow Ranch. 1463 Comment
  CHSC85102  Plagiobothrys stipitatus var. micranthus John Dittes; Josephine Guardino 1991-6-1 370 Modoc Modoc Plateau; Big Valley; Ash Creek Wildlife Area; ca. 5.7 air-miles northeast of Bieber, ca. 7.6 air-miles west of Adin, ca. 1.5 air-mile southeast of Pilot Butte summit; meadow at northern edge of Ash Creek Floodplain (Big Swamp) at southeast base of Pilot Butte. 1258 Comment
  JEPS79217  Plagiobothrys stipitatus var. micranthus L. R. Heckard with R. C. Bacigalupi 1980-6-10 5265 Modoc about 10 mi nw Lookout (along Great Northern Railroad grades) Comment
  CHSC116067  Plantago major Lowell Ahart; John Dittes 2015-7-16 20388 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
  CAS-BOT-BC242213  Platanthera dilatata var. leucostachys Bruce Bartholomew 1991-7-6 5998 Modoc Field redacted by CAS, contact the data manager for more information 1580 Comment
  CDA35645  Platanthera leucostachys J. R. Keck Jr. 1985-7-11 PDR# 330134 Modoc Davis Creek, Modoc National Forest. Comment
  JEPS64453  Platanthera stricta Leland S. Smith 1918-6-22 943 Modoc n-nw slope along creek Modoc Forest, High Grade District, Pine Creek 1828 Comment
  CAS-BOT-BC242210  Platanthera stricta Leland S. Smith 1918-6-22 943 Modoc Field redacted by CAS, contact the data manager for more information 2286 Comment
  UC1586959  Plectritis Juha Pykala and D. H. Norris 1987-5-27 1009 Modoc Modoc National Forest, Lower Rush Creek Campground Lower Rush Creek Campground; Modoc National Forest, Lower Rush Creek Campground 1430 Comment
  CAS-BOT-BC245402  Plectritis macrocera Roxana Stinchfield Ferris; R. Duthie 1919-6-14 73 Modoc Along Parker Creek, Warner Mountaisn. Comment
  UC416750  Plectritis macrocera Milo S. Baker Modoc Forestdale Comment
  JEPS36546  Pleiacanthus spinosus W. L. Jepson 1918-8-6 7832 Modoc Davis Creek Comment
  UC748196  Pleiacanthus spinosus Annie M. Alexander and Louise Kellogg 1946-7-5 4910 Modoc Lava Cliff, west Lower Lake. Comment
  UC1024979  Poa X fibrata Leo Whitney 1935-7-6 3419 Modoc Crank Springs Comment
  HSC10754  Poa pratensis M. T. Milligan 1965-6-23 284 Modoc N end Jess Valley 1616 Comment
  UCD91909  Poa pratensis Verne Grant; Irving Schneider 1947-7-22 8151 Modoc Headwaters of North Fork of Pit River, 1 mile northwest of Highway 395; on dirt road leading to south end of Goose Lake. Comment
  CAS-BOT-BC247619  Poa pratensis subsp. pratensis Bruce Bartholomew; Barrett Anderson 1990-7-19 5424 Modoc Top of Hunters Ridge S of Rush Creek. 1960 Comment
  CHSC67418  Poa sandbergii James D. Jokerst 1986-8-12 2764 Modoc Radar Site Survey S of Doublehead Mtn., vernal pool adjacent to unnamed road ca. 0.5 mi S of its jct. With the E-W road to Doublehead Mtn. Comment
  POM203056  Poa secunda J. T. Howell 1934-7-1 12345 Modoc Duncan Horse Camp Comment
  RSA273306  Poa secunda J. P. Smith, J. O. Sawyer 1972-5-6 5249 Modoc Road 86 just east of Adin 1098 Comment
  UCD90324  Poa secunda A. A. Beetle; G. L. Stebbins Jr. 1942-5-30 3378 Modoc 8.6 miles NW of Canby. Comment
  SEINET10522718  Poa secunda Billy Joe Cox, Paul Gallian 1971-6-3 Cox 2610 Modoc 6 mi N of Alturas on US Hwy 395, W facing slope, in middle of grassland pasture, edging into Artemesia which adjoins Juniper woodland. Lupinus sp. in very dense populations on every slope for over a mi N, more or less a valley side in decomposing basalt with lighter soil above. 1341 Comment
  UCD32687  Poa secunda subsp. juncifolia Beecher Crampton 1954-7-6 2085 Modoc 4 miles N of Likely, along US Hwy 395. 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
  CAS-BOT-BC247659  Poa secunda subsp. secunda Isabel T. Kelly 1930-1-1 60 Modoc Modoc County. Comment
  CHSC67417  Poa secunda subsp. secunda James D. Jokerst 1986-8-11 2758 Modoc Radar Site Survey S of Doublehead Mtn., S of road to Doublehead Mtn., in vernal pool. Comment
  JEPS74052  Poa secunda subsp. secunda Frances D. Payne 1932-7-3 595 Modoc s and e Alturas (Parker Creek); Warner Mts 1584 Comment
  UC1024906  Poa secunda subsp. secunda Leo Whitney 1935-5-19 3105 Modoc ca 15 mi nw Canby (Hackamore); Modoc Nat'l Forest 1463 Comment
  UC1024996  Poa secunda subsp. secunda Leo Whitney 1935-7-7 3393 Modoc 4 mi nw Canby (Howard Gulch) Comment
  UC1025025  Poa secunda subsp. secunda Leo Whitney 1935-7-21 3526 Modoc Pit River Comment
  UC535950  Poa secunda subsp. secunda Elmer I. Applegate 1927-4-24 5004 Modoc Modoc Battle Ground; Modoc Lava Beds Comment
  UC790977  Poa secunda subsp. secunda A. A. Beetle 1941-6-29 2827 Modoc near summit Cedarville Pass 2118 Comment
  UCD92103  Poa secunda subsp. secunda L. Whitney 1935-7-7 3393 Modoc Howard Gulch, 4 miles NW of Canby. Comment
  CHSC109463  Poa wheeleri L. P. Janeway; B. Castro 2012-7-26 11016 Modoc Warner Mountains. Top of Yellow Mountain; topmost part and western edge (at the edge of a steep dropoff to the northwest). 2463 Comment
  HSC80842  Poa wheeleri G. M. Riegel 1979-7-23 585 Modoc S Warner Mtns. 1829 Comment
  UCD91572  Poa wheeleri Beecher Crampton; Carl W. Rimbey 1954-7-6 2102 Modoc slope above Shields Creek, 20 miles east of Alturas. Warner Mountains. Comment
  CHSC67514  Pogogyne floribunda J. D. Jokerst 1986-8-11 2762 Modoc Of the center of T45N R07E S20 NE1/4. Modoc National Forest, Devils Garden Ranger District (south of Clear Lake). About 1.2 miles WNW of Rim Rock Lake, S of Doublehead Mountain. Comment
  CHSC67517  Pogogyne floribunda J. D. Jokerst 1987-7-13 2945 Modoc Modoc National Forest, Devils Garden Ranger District (south of Clear Lake), west of Sector 4 of the Air Force Backscatter Radar Site. About 3 miles S of Doublehead Mountain. Comment
  CHSC67518  Pogogyne floribunda J. D. Jokerst 1987-6-23 2931 Modoc Modoc National Forest, Devils Garden Ranger District (south of Clear lake). Small lake several hundred meters S of Doublehead Lake. Comment
  CDA25324  Polanisia dodecandra subsp. trachysperma J. Elliott 1975-7-22 103 Modoc In excavation site beside Highway 81, 13 km south of Cedarville. 0 Comment
  CAS-BOT-BC263237  Polemonium micranthum R. Stubbs 2010-5-8 005 Modoc Modoc National Forest Rush Creek off of CA-299 1502 Comment
  CHSC85180  Polemonium micranthum John Dittes; Josephine Guardino 1991-6-1 358 Modoc Modoc Plateau; Big Valley; Ash Creek Wildlife Area; ca. 7.7 air-miles northeast of Bieber, ca. 4.0 air-miles west by southwest of Adin, ca. 5.0 air-mile east by southeast of Pilot Butte summit, ca. 0.6 mile east of Walters Road and Owl Barn; meadow at southern edge of Ash Creek Floodplain. 1271 Comment
  UC907837  Polemonium micranthum John Chattin, Dan Tillotson 1947-5-7 40 Modoc Alturas Comment
  HSC17207  Polemonium occidentale subsp. occidentale M. T. Milligan 1966-7-5 554 Modoc Slopes and ridges E of Jess Valley 1768 Comment
  POM260727  Polyctenium fremontii Alice Eastwood, J. T. Howell 1940-6-15 s.n. Modoc Near Perez Comment
  UC1563901  Polyctenium fremontii Barbara Ertter 1988-6-18 7617 Modoc 1 mi s of s junction to Lava Beds National Monument (e of Tonesta, Highway 139 ca 50 airmi sw of Klamath Falls, a few mi n of Agric. Inspection Station); e of Tonesta, s of s jct to Lava Beds National Monument 1310 Comment
  UC10287  Polyctenium fremontii Mrs. R. M. Austin May 1894 Modoc Ewing Creek Comment
  CAS-BOT-BC419701  Polygonum austiniae Mrs. R. M. Austin 1895-7-1 134 Modoc Goose Lake Valley 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
  CHSC117358  Polygonum aviculare subsp. aviculare Lowell Ahart; John Dittes 2016-7-14 21191 A Modoc West of a new pond, south of Ash Creek Canal (now filled in), south of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. 1273 Comment
  CHSC115486  Polygonum aviculare subsp. buxiforme L. P. Janeway 2014-7-8 11473 Modoc Modoc Plateau. East corner of Dry Creek Rim; along Road 47N08 (Corral Creek Road) 5.1 road-km north-northwest of Road 48 (along the west edge of Goose Lake). 1759 Comment
  UC748282  Polygonum bistortoides Annie M. Alexander and Louise Kellogg 1946-7-18 5022 Modoc Benton Meadow Warner Mountains 2072 Comment
  JEPS50501  Polygonum bistortoides Frances D. Payne 1929-7-7 64 Modoc 2 mi sw Mt. Warren (se Modoc Co.); Pine Creek Basin 2133 Comment
  CAS-BOT-BC218129  Polygonum douglasii Bruce Bartholomew; Barrett Anderson 1989-6-2 4781 Modoc Top of Fandango pass, Warner Mountains. 1870 Comment
  JEPS94840  Polygonum douglasii subsp. spergulariiforme Vernon H. Oswald and Lowell Ahart 1998-9-8 9590 Modoc County Road 93 adjacent to the Rail Road at Lookout Junction nw of Lookout; County Road 93 1280 Comment
  NY412807  Polygonum kelloggii var. kelloggii B. M. Bartholomew 1988-5-12 4097 Modoc White Horse 15' Quad. 1340 Comment
  CDA22825  Polygonum lapathifolium T. C. Fuller 1958-8-12 2070 Modoc Corporation Ranch, Likely. 0 Comment
  POM104438  Polygonum persicaria R. M. Austin 1895-07 s.n. Modoc Goose Lake Valley. 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
  RSA26457  Polygonum polygaloides subsp. confertiflorum Peter H. Raven, Otto T. Solbrig 1958-6-14 8223 Modoc About small lake, eastern outskirts of Lookout Comment
  UC1971321  Polygonum polygaloides subsp. confertiflorum Louis C. Wheeler 1973-8-22 Modoc DEVILS GARDEN: Ca. 1/4 mile southwest of Big Sage Reservoir. Comment
  CAS-BOT-BC218169  Polygonum polygaloides subsp. confertiflorum Herbert Louis Mason 1957-6-21 14706 Modoc West side of Said Valley. Comment
  RSA125790  Polygonum polygaloides subsp. confertiflorum H. L. Mason 1957-6-21 14706 Modoc W side of Said Valley Comment
  UC1713245  Polygonum polygaloides subsp. confertiflorum Herbert L. Mason 1957-7-6 14725 Modoc Rim Rock, west of Goose Lake Comment
  UCD100575  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
  JEPS86719  Polygonum polygaloides subsp. esotericum John Hale 1990-7-10 Modoc 16 mi wnw of Canby (adjacent to CA Highway 139, near concrete spillway of water project, w Modoc County) Comment
  SEINET10891363 Image available Polygonum polygaloides subsp. esotericum Louis C. Wheeler 1935-8-25 Wheeler 3918 Modoc Rim Rock Valley Reservoir, Devil's Garden. Modoc Co. S 21, T 46 N, R 12 E. Mt. Diablo Mer. 1524 Comment
  RSA601505  Polygonum ramosissimum Louis C. Wheeler 1935-8-6 3801 Modoc 1/2 mile S Pine Creek. 1509 Comment
  UC711901  Polygonum sawatchense subsp. oblivium Roxana S. Ferris and Laura Lorraine 1941-8-13 10536 Modoc Patterson Ranger Station (East Creek drainage) Warner Mountains, Modoc National Forest 2164 Comment
  UC526133  Polygonum sawatchense subsp. sawatchense John Thomas Howell 1934-7-1 12317 Modoc Duncan Horse Camp Comment
  CDA13459  Polygonum spergulariiforme G. F. Hrusa, T. D. Wilfred 1996-7-21 13306 Modoc Modoc Plateau; Adjacent to Modoc Co. Rd. 90 bridge over Pit River. E base of Splawn Mtn. N end of Big Valley. Comment
  RSA520360  Polygonum spergulariiforme Bruce Bartholomew 1989-7-14 4923 Modoc Along Rush Creek between Lower and upper Rush Creek Campgrounds. 1520 Comment
  CDA22795  Polygonum spergulariiforme G. D. Barbe 1991-8-28 4445 Modoc Kelley Spring, 3.4 miles (5.5 km) from Highway 299 at Rush Creek, on Primary Forest Service Road 22 and Road 40N33, Modoc National Forest. Comment
  POM313141  Polypogon interruptus Malcolm A. Nobs, S. Galen Smith 1949-7-20 1052 Modoc 4 miles west of Adin. Comment
  CAS-BOT-BC252511  Polypogon monspeliensis Malcom A. Nobs; Stanley Galen [S. Galen] Smith 1949-7-20 1052 Modoc 4 mi. W of Aden. Comment
  SEINET10460821  Porterella carnosula Mason 1947-8-12 Mason 13502 -a Modoc Comment
  SEINET10939152  Porterella carnosula Mcmillan 1949-6-16 MCMILLAN 1534 Modoc In marsh 3 mi. south of Crowder Flat, north central Modoc Co., about 7 mi. south of the Oregon border 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
  SJSU9377  Potamogeton epihydrus Wayne Savage 1979-8-23 Modoc Antelope, Fairchild Swamp Unit, Devils Garden Ranger District 1493 Comment
  CAS-BOT-BC242240  Potamogeton foliosus V. J. Wetherell 1961-8-9 481 Modoc Stowe Reservoir Campground, 1 mi E of Cedar Pass. 1828 Comment
  CAS-BOT-BC242243  Potamogeton foliosus Louis Cutter Wheeler 1935-9-1 3933 Modoc Pine Spring, Devil's Garden. 1524 Comment
  POM118939  Potamogeton foliosus Mrs. R. M. Austin 1895-07 482 Modoc Davis Creek Comment
  CAS-BOT-BC242233  Potamogeton natans Bruce Bartholomew 1991-6-23 5875 Modoc W side of Ingall Swamp, Devil's Garden. 1510 Comment
  SEINET5335351  Potamogeton natans M. S. Baker 1899-8-18 s.n. Modoc Little Hot Springs Valley Comment
  UCSC001853  Potamogeton natans M. S. Baker 1899-8-18 s.n. Modoc pond Little Hotsprings Valley Little Hotsprings Valley Comment
  CAS-BOT-BC242230  Potamogeton nodosus Robert Folger Thorne; et al 1969-9-4 39129 Modoc N Fork of Pit River 3.4 mi. N of Alturas where crossed by Hwy 395. 1341 Comment
  UC1099836  Potamogeton pectinatus Herbert L. Mason 1947-8-11 13488 Modoc Kelley Hot Springs, on Alturas-Conby Highway Kelley Hot Springs Comment
  UC1536815  Potamogeton pectinatus Gordon H. True Jr. 1939-6-6 1009 Modoc near Canby; Gooch Swamp Comment
  CAS-BOT-BC242272  Potamogeton richardsonii Robert Folger Thorne; et al 1969-9-4 39128 Modoc N Fork of Pit River 3.4 mi. N of Alturas where crossed by Hwy 395. 1341 Comment
  UC441353  Potamogeton striatus Milo S. Baker 1899-8-24 Modoc Pit R. at Lookout Comment
  CAS-BOT-BC214736  Potentilla biennis John Thomas Howell 1934-7-2 12355 A Modoc Nigger Ben Spring, SE end of Clear Lake. Comment
  UC704450  Potentilla biennis Bud Fuller 1936-7-10 68 Modoc 20 mi ne Alturas; ne <of> Alturas 2133 Comment
  CAS-BOT-BC214746  Potentilla breweri Elmer Ivan Applegate 1932-8-1 8025 Modoc High summit of Warner Mountains just S of Warren Peak. Comment
  UC1594785  Potentilla breweri David Charlet 1989-8-15 501 Modoc 1 km nw Eagle Peak (Upper Slide Creek Meadows); South Warner Mountains, nw of Eagle Creek 2550 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
  CAS-BOT-BC214778  Potentilla gracilis John Thomas Howell 1934-7-1 12303 Modoc Duncan Horse Camp. 1355 Comment
  UC1594792  Potentilla gracilis David Charlet 1989-8-15 499 Modoc 1 km nw Eagle Peak (Upper Slide Creek); South Warner Mountains, Upper Slide Crk, nw of Eagle Pk 2550 Comment
  CAS-BOT-BC214786  Potentilla gracilis Milo Samuel Baker 1893-6-1 67 Modoc unspecified Comment
  JEPS47212  Potentilla gracilis var. fastigiata Frances D. Payne 1931-6-17 181 Modoc Parker Creek, Warner Mountains, south and east of Alturas. 1584 Comment
  JEPS44161  Potentilla gracilis var. fastigiata L. S. Smith 1918-6-14 937 Modoc Willow Creek and Lassen Creek Warner Mts., Willow Creek and Lassen Creek 1828 Comment
  JEPS44223  Potentilla gracilis var. flabelliformis W. L. Jepson 1918-8-9 7911 Modoc Ft. Bidwell 1432 Comment
  RSA85691  Potentilla gracilis var. flabelliformis F. W. Peirson 1926-6-25 6883 Modoc 1 mile east of summit of Cedarville Road, Warner Mountains Comment
  CAS-BOT-BC214800  Potentilla newberryi John Thomas Howell 1934-7-2 12359 Modoc E side of Clear Lake. Comment
  UC860749  Potentilla newberryi Leo Whitney 1934-5-20 3031 Modoc near Clear Lake (bank of Lost River, Northern Modoc County); near Clear Lake, Bank of Lost River 1463 Comment
  HSC42460  Prunus andersonii Barbara Kelly 1977-8-9 553 Modoc Ash Creek Campground Comment
  CAS-BOT-BC214803  Prunus emarginata Bruce Bartholomew 1989-7-15 5019 Modoc Manzanita Lookout, top of Manzanita Mountain. 2130 Comment
  CAS-BOT-BC214815  Prunus subcordata Elmer Ivan Applegate 1932-8-6 8205 Modoc Near Cedarville, Surprise Valley. Comment
  CAS-BOT-BC214820  Prunus subcordata Gladys L. Smith; Margaret Williams; Loring Williams; Charles Smith 1983-9-14 8388 Modoc Second big curve ascending Ft. Bidwell side 1377 Comment
  CAS-BOT-BC214823  Prunus subcordata Bruce Bartholomew; Barrett Anderson 1989-4-27 4610 Modoc 2.1 km SSE of Day on road to State Highway 299. 1020 Comment
  CHSC99931  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
  HSC27163  Prunus subcordata J. P. Smith, J. O. Sawyer 1972-5-6 5280 Modoc 2.8 mi. from jct. with Hwy. 395 on rd. between Davis Creek and Fandango Valley 1524 Comment
  NY849337  Prunus subcordata N. H. Holmgren 1998-5-30 12994 Modoc Surprise Valley, Fort Bidwell-Cedarville road, 1.8 km (1.1 mi) south of the Fandango Pass road and 31.2 km (19.4 mi) north of downtown Cedarville 1370 Comment
  CAS-BOT-BC225009  Prunus virginiana var. demissa A. D. Borden 1911-8-9 s.n. Modoc S slope of Shields Creek. Comment
  SJSU9683  Prunus virginiana var. demissa W. Savage 1979-7-26 1573 Modoc Long Meadow Unit, Devils Garden Ranger District, Modoc National Forest 1584 Comment
  UC114549  Prunus virginiana var. demissa Mrs. R. M. Austin June 1894 105 Modoc Willow Creek Comment
  CAS-BOT-BC498765  Pseudognaphalium L. S. Smith 1924-7-1 1502 Modoc Modoc Forest, Round Mt. 1676 Comment
  UCD91504  Pseudoroegneria spicata Beecher Crampton; Carl Rimbey 1954-7-7 2149 Modoc Modoc County, 3 miles west of Cedarville, east side of Cedar Pass, Warner Mountains. Comment
  UCD91509  Pseudoroegneria spicata J. C. Hayes 1935-6-25 s.n. Modoc Alturas. Comment
  POM205740  Pseudoroegneria spicata subsp. spicata Jos Burtt Davy 1897-6-20 1711 Modoc Big Balley. Near Lookout Comment
  UC711892  Pseudoroegneria spicata subsp. spicata Roxana S. Ferris and Laura Lorraine 1941-8-12 10510 Modoc between Hackamore and Canby (Modoc National Forest); Modoc National Forest Comment
  JEPS46213  Pseudostellaria jamesiana F. H. Frost 1925-7-12 51 Modoc Stow's Meadow Cedar Canyon (Cedar Canyon, Warner Mountains); Warner Mountains, , Stow's Meadow Comment
  UC1192095  Psilocarphus oregonus Herbert L. Mason and Verne Grant 1947-7-13 13450 Modoc near Goose Lake (on road to Fort Bidwell, w end of Fandango Pass); Fandango Pass Comment
  UCD32678  Puccinellia lemmonii Beecher Crampton 1954-7-6 2084 Modoc Modoc County, 4 miles north Likely, flat along US highway 395. Comment
  UCD32736  Puccinellia lemmonii Beecher Crampton 1954-7-8 2189 Modoc Modoc County, 1.5 miles west of Altura, extension of 4th Street. Comment
  NY848522  Purshia tridentata A. D. Borden 1911-6-15 s.n. Modoc South slope of Davis Creek Comment
  CAS-BOT-BC218235  Purshia tridentata var. tridentata F. Angwin 1946-4-25 Modoc Adin. 1371 Comment
  UC1953408  Purshia tridentata var. tridentata Tom Schweich 1996-6-29 62 Modoc Warner Mountains; East side of South Warner Mountains, near the mouth of North Deep Creek Canyon, 3.6 km southwest of Cedarville, CA. 1500 Comment
  UC73075  Purshia tridentata var. tridentata Milo S. Baker 1893-1 Modoc Forestdale Comment
  UC12419  Purshia tridentata var. tridentata Milo S. Baker 1893-6 Modoc Comment
  SEINET195663  Pyrola picta Unknown 1946-7-4 5068 Modoc Trail to Emerson Camp, Bear Camp Flat, Warner Mountains Comment
  NY188342  Pyrola picta M. S. Baker 1893-7-20 Modoc Comment
  UCR163908  Pyrrocoma carthamoides var. cusickii Jim Andre 1993-6-30 1403 Modoc Modoc Plateau, about 10 miles NW of Canby on Hwy 139, near NW end of Oak Ridge 1494 Comment
  SEINET3840822  Pyrrocoma carthamoides var. cusickii Unknown 1991-8-27 4443 Modoc Warner mountains 2310 Comment
  UC891896  Pyrrocoma carthamoides var. cusickii Lewis S. Rose 1940-6-14 40565 Modoc Kelly Hot Springs 1341 Comment
  HSC67877  Pyrrocoma hirta J. P. Smith, J. O. Sawyer 1973-8-8 7249 Modoc Along summit trail to Patterson Guard Station, 1 mi. S of trail to N Emerson Lake 2561 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
  UC76018  Pyrrocoma hirta var. lanulosa Milo S. Baker July 1894 Modoc lake at Mt. Meadows w of summit w Eagle Lake; Lake at Mt. Meadows w of summit Comment
  CAS-BOT-BC180126  Quercus garryana var. garryana Bruce Bartholomew; Barrett Anderson 1988-6-23 4261 Modoc 1.8 km WSW of Day on County Road 94. 1170 Comment
  JEPS5955  Raillardella argentea Frances D. Payne 1929-7-26 132 Modoc Warren Peak Warner Mountains 2743 Comment
  JEPS96526  Ranunculus alismifolius var. alismellus Dean W. Taylor 1992-5-8 12567 Modoc Warner Mountains, Mt. Bidwell, ca. 0.5 miles E of Moonlite Mines 2432 Comment
  CHSC117806  Ranunculus alismifolius var. lemmonii L. P. Janeway 2016-5-18 12066 Modoc Modoc Plateau. Devils Garden area; Island Meadow, along Road 47N08 2.1 road-km north of Road 73/181/47N09. 1606 Comment
  RSA252501  Ranunculus aquatilis var. capillaceus Robert F. Thorne, C. W. Tilforth 1969-9-5 39176 Modoc South Fork of Pit River at bridge, 3.8 miles E. of Likely. 1387 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
  POM261552  Ranunculus aquatilis var. hispidulus J. T. Howell 1940-6-14 8219 Modoc 8 mles NW of Canby Comment
  RSA149142  Ranunculus aquatilis var. hispidulus I. L. Wiggins, Dorothy B. Wiggins 1961-6-15 16519 Modoc 11 miles W of Canby along Hwy 139 Comment
  RSA0005406  Ranunculus austinae R. M. Austin 1894-1 s.n. Modoc Crevices, high bluff of lava rock east of Willow Creek Valley. 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
  CAS-BOT-BC217229  Ranunculus cymbalaria Bruce Bartholomew 1995-6-3 6949 Modoc Just S of the Oregon border at the shore of Goose lake. 1400 Comment
  POM99180  Ranunculus flammula var. ovalis R. M. Austin 1895-07 s.n. Modoc Goose Lake Valley. Comment
  CHSC13476  Ranunculus glaberrimus C. S. Armor 1974-4-9 89 Modoc 100 yds. se of the north water storage tank in Alturas. 1310 Comment
  JEPS3950  Ranunculus glaberrimus N. T. Mirov 1929-5-14 Modoc e Goose Lake (on road to Fandango Valley); Warner Mountains, Buck Creek Comment
  CAS-BOT-BC217209  Ranunculus glaberrimus var. glaberrimus Belknap C. Goldsmith 1912-4-20 43 Modoc Near Cedarville, Surprise Valley. 1341 Comment
  HSC18214  Ranunculus glaberrimus var. glaberrimus M. T. Milligan 1966-4-8 450 Modoc N end of Jess Valley 1616 Comment
  SJSU5142  Ranunculus glaberrimus var. glaberrimus A. G. Gunderson 1970-3-28 Modoc near Likely, 20 mi S of Alturus 1524 Comment
  UC118383  Ranunculus hebecarpus Mrs. R. M. Austin May 1897 3 Modoc Goose Lake Valley Comment
  UC9474  Ranunculus occidentalis Mrs. R. M. Austin and Bruce July 1898 2305 Modoc Ross canyon Comment
Read comments
May 13 2013
  RSA59730  Ranunculus occidentalis var. eisenii E. K. Balls 1950-5-17 14740 Modoc Howard's Gulch Public Camp, off Hwy. 139. N.W. of Canby. 1433 Comment
  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
  HSC18161  Ranunculus occidentalis var. occidentalis M. T. Milligan 1966-5-14 618 Modoc Plateau W of Jess Valley 1829 Comment
  POM275143  Ranunculus oxynotus Louise Kellogg 1946-7-30 5098 Modoc Eagles Peak, Warner Mtns Comment
  RSA0005369  Ranunculus rudis R. M. Austin 1895-07 162 Modoc Willow Creek (Devils Garden) Comment
  POM269753  Ranunculus sceleratus var. multifidus Louis C. Wheeler 1935-8-3 3762 Modoc Warner Mountains: Pine Creek. 1738 Comment
  CAS-BOT-BC217155  Ranunculus testiculatus Bruce Bartholomew; Mona Bourell 1990-4-28 5201 Modoc SE corner of North Alkali Lake, Surprise Valley. 1350 Comment
  CAS-BOT-BC217163  Ranunculus uncinatus Bruce Bartholomew 1991-8-6 6092 Modoc S Emerson Trail at stream between S Fork of Emerson Creek and Bearcamp Trail, Warner Mts. 2130 Comment
  CAS-BOT-BC217166  Ranunculus uncinatus Elmer Ivan Applegate 1932-7-31 7973 Modoc Mill Creek Meadows, west slope of Warner Mts. Comment
  JEPS3949  Ranunculus uncinatus N. T. Mirov 1929-7-4 Modoc about one mi s Oregon-California boundary; Warner Mountains, Lily Lake 2133 Comment
  RSA152697  Ranunculus uncinatus I. L. Wiggins, Dorothy B. Wiggins 1961-6-12 16395 Modoc Margin of marshy area along Thomas Creek, 6.1 miles E of California Hwy 299, on road to Cedarville Comment
  UC18577  Rhamnus rubra Milo S. Baker 1893-7-20 Modoc near Egg Lake; Lava Beds Comment
  JEPS114532  Rhaponticum repens Lowell Ahart, John Dittes 2008-8-25 15309 Modoc On the east bank (flood plain) of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout 1273 Comment
  CAS-BOT-BC95604  Rhodiola rosea subsp. integrifolia Annie Montague Alexander; L. Kellogg 1946-7-29 5085 Modoc Head of Eagle Creek, Warner Mts. Comment
  CAS-BOT-BC95605  Rhodiola rosea subsp. integrifolia Bruce Bartholomew 1990-8-4 5654 Modoc E and below junction of Pine Creek Trail and Summit Trail, E side of Warner Mts. 2680 Comment
  NY1002972  Rhus aromatica var. trilobata B. M. Bartholomew 1989-4-27 4622 Modoc Little Hot Spring Valley, 2.9 km NW of Day 1080 Comment
  NY454719  Ribes aureum B. M. Bartholomew 1988-5-14 4188 Modoc 2 km south of McGinty Point, edge of causeway across the southwest corner of Goose Lake 1430 Comment
  UC11664  Ribes aureum Milo S. Baker 1893-6 Modoc Egg Lake Comment
  UC1191523  Ribes aureum Verne Grant, Irving Schneider 1947-7-22 8157 Modoc 1 mi nw Highway 395 (on road leading to s end of Goose Lake, meadow at headwaters of river); North Fork of Pit River Comment
  JEPS49276  Ribes aureum var. gracillimum B. C. Goldsmith 1910-1 Modoc Alturas Comment
  UC75442  Ribes californicum Milo S. Baker 1898-4-20 627 Modoc Taylor Mt. Comment
  CAS-BOT-BC225894  Ribes cereum Barrett Anderson 1986-7-9 3185 Modoc Stough Reservoir Rd just E of Cedar Pass near Stough Reservoir, Warner Mts. 1965 Comment
  JEPS43512  Ribes cereum Frances D. Payne 1931-7-5 325 Modoc about 3 mi n Parker Creek (Fern Spring Gulch; s and e of Alturas); Warner Mountains 1828 Comment
  NY454996  Ribes cereum B. M. Bartholomew 1988-6-24 4297 Modoc Road beyond Poison Lake ca. 8 km. south of the road from US Highway 395 to Lily Lake, Warner Mountains 2130 Comment
  NY455008  Ribes cereum C. L. Hitchcock 1940-5-27 6695 Modoc 15 miles northeast of Alturas 1615.4 Comment
  RSA520365  Ribes cereum Bruce Bartholomew, B. Anderson 1989-4-29 4685 Modoc Surprise Valley Road, just S of the Oregon border, extreme NE corner of Modoc County. 1630 Comment
  UC1075751  Ribes cereum Robert J. Weatherby 1955-7-7 1606 Modoc 7 mi n Ft. Bidwell 1889 Comment
  UC79634  Ribes cereum Mrs. R. M. Austin June, 1894 217 Modoc hills near Willow Creek Comment
  CAS-BOT-BC225901  Ribes montigenum Robert Patterson; Mona Bourell 1993-8-15 5260 Modoc Warner Mountains. Along trail from Patterson Lake to ca. 2 mi north towards Pepperdine Trailhead. 2743 Comment
  NY455304  Ribes montigenum A. M. Alexander 1946-6-25 4822 Modoc Dismal Swamp, north end of Warner Mountains 2255.5 Comment
  NY455307  Ribes montigenum B. M. Bartholomew 1988-6-24 4293 Modoc Road beyond Poison Lake, ca. 8 km south of the road from US Highway 395 to Lily Lake, Warner Mountains 2130 Comment
  RSA0021948  Ribes montigenum A. M. Alexander, Louise Kellogg 1946-6-25 4822 Modoc Dismal Swamp, north end of Warner Mountains. 2256 Comment
  CAS-BOT-BC225921  Ribes velutinum John Thomas Howell 1934-6-12 12011 Modoc Between Davis Creek and Plum Valley. Comment
  JEPS49261  Ribes velutinum B. C. Goldsmith 1910-1 Modoc Alturas Comment
  UC11665  Ribes velutinum Milo S. Baker 1893-6 Modoc shore Egg Lake Comment
  UC1553403  Ribes viscosissimum G. Schoolcraft 1988-7-12 1824 Modoc 1 mi w Pepperdine Camp (along Park Creek Rd.); Warner Mtns. 1950 Comment
  CAS-BOT-BC50327  Rigiopappus leptocladus Bruce Bartholomew 1991-7-5 5930 Modoc Vicinity of Cow Head Spring between Dorris Bothers Reservoir and Cow Head Tank. 1510 Comment
  UC117554  Rorippa Mrs. R. M. Austin Sept. 1894 275 Modoc Cedarville Canyon Comment
  UC748069  Rorippa curvisiliqua Annie M. Alexander and Louise Kellogg 1946-6-26 4830 Modoc Dismal Swamp n end Warner Mountains, Dismal Swamp 2255 Comment
  CHSC117254  Rorippa curvisiliqua var. orientalis Lowell Ahart; John Dittes 2016-7-14 21163 Modoc West side of a new pond, south of Ash Creek Canal (now filled in), south of Ash Creek, Ash Creek Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. 1273 Comment
  RSA210832  Rorippa islandica R. F. Thorne, James Henrickson, C. W. Tilforth 1969-9-3 39021 Modoc SE end of Tule Lake Sump 0.5 miles N of turnoff to Lava Beds National Monument, (2.2 miles E of NE entrance to monument) 1265 Comment
  CAS-BOT-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
  CAS-BOT-BC497304  Rosa gymnocarpa B. Bartholomew 1989-7-14 4931 Modoc Along Rush Creek between Lower and Upper Rush Creek Campgrounds 1580 Comment
  HSC59872  Rosa woodsii subsp. ultramontana J. P. Smith, J. O. Sawyer 1973-8-9 7259 Modoc Blue Lake, Modoc National Forest. 1829 Comment
  CAS-BOT-BC218255  Rosa woodsii var. ultramontana Belknap C. Goldsmith 1912-5-5 64 Modoc Near Big Valley (P.O. Beiber - 20 mi.). 1402 Comment
  CAS-BOT-BC218260  Rosa woodsii var. ultramontana Elmer Ivan Applegate 1929-6-25 5904 Modoc Willow Ranch, E side of Goose Lake. Comment
  JEPS45631  Rosa woodsii var. ultramontana W. L. Jepson 1918-8-6 7847 Modoc Fandango Pass Surprise Valley (fields and at summit) 1447 Comment
  SD46575  Rosa woodsii var. ultramontana Robert J. Weatherby 1955-7-8 1627 Modoc 5 miles north of Ft. Bidwell, no. Warner Mts. 1783 Comment
  UC467685  Rosa woodsii var. ultramontana Milo S. Baker 1898-1 Modoc Forestdale Comment
  UC748231  Rosa woodsii var. ultramontana Annie M. Alexander and Louise Kellogg 1946-7-12 4989 Modoc ne corner of county Twelve Mile Creek Comment
  CAS-BOT-BC218266  Rubus parviflorus Bruce Bartholomew 1989-7-14 4929 Modoc Along Rush Creek between Lower and Upper Rush Creek Campgrounds. 1580 Comment
  UC12970  Rubus parviflorus Baker and Nutting Modoc Comment
  POM104790  Rumex acetosella R. M. Austin 1895-07 s.n. Modoc Goose Lake Valley. Comment
  UC465814  Rumex occidentalis W. P. Taylor and H. C. Bryant 1910-7-13 Modoc Head of North Fork Parker Creek Warner Mountains 2225 Comment
  UC748315  Rumex salicifolius var. salicifolius Annie M. Alexander and Louise Kellogg 1946-8-3 5113 Modoc Head of Eagle Creek Warner Mountains Comment
  CDA23204  Rumex salicifolius var. transitorius T. C. Fuller 1958-7-8 2033 Modoc 4 miles south of Pine Creek. 0 Comment
  CDA23209  Rumex salicifolius var. triangulivalvis T. C. Fuller 1958-7-8 1934 Modoc Corporation Ranch, Likely. 0 Comment
  CDA23211  Rumex salicifolius var. triangulivalvis T. C. Fuller 1958-7-8 1943 Modoc Corporation Ranch, Likely. 0 Comment
  RSA193946  Ruppia cirrhosa W. R. Dudley 1893-07 s.n. Modoc Santa Cruz County, Loggon E of Seabright, Santa Cruz Comment
  CAS-BOT-BC245205  Sagittaria cuneata Bruce Bartholomew 1995-7-30 7071 Modoc Drainage from Taylor Reservoir just E of junction of County roads 93 and 94. 1260 Comment
  CHSC109636  Sagittaria latifolia Lowell Ahart; John Dittes 2012-7-11 18336 Modoc Vernal pool like areas on the bottom of a gravel pit, north edge of the meadow, about 1/8 mile east of the parking area on the east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adam, about 8 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  JEPS119661  Sagittaria latifolia var. latifolia Lowell Ahart, John Dittes 2012-7-11 18336 Modoc About 1/8 mile east of the parking area on the east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. Comment
  UC482329  Salix boothii Frances D. Payne 1931-7-7 331 Modoc 33 km. se of Alturas; Warner Mts., Pine Creek Basin 2280 Comment
  UC482330  Salix boothii Frances D. Payne 1931-7-7 331 Modoc 33 km. se of Alturas; Warner Mts., Pine Creek Basin 2280 Comment
  UC492373  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
  UC492378  Salix boothii Frances D. Payne 1932-7-21 729 Modoc e of Alturas (marsh s of Mosquito Lake); Warner Mts., e side Mt. Warren (Buck Mt.) Comment
  SBBG28812  Salix eastwoodiae F. D. Payne 1931-7-8 177 Modoc Pine Crk Basin, ca. 33 km SE of Alturas 2280 Comment
  UC481863  Salix eastwoodiae Frances D. Payne 1931-6-25 275 Modoc ca. 33 km. se Alturas; Warner Mts., Pine Creek Basin 2280 Comment
  UC481868  Salix eastwoodiae Frances D. Payne 1931-7-7 333 Modoc ca. 33 km. se Alturas (below spring); Warner Mts., Pine Creek Basin 2280 Comment
  CAS-BOT-BC225779  Salix exigua H. P. Bracelin; Francis Dorris Payne 1931-6-30 495 Modoc Parker Creek, 20 km E of Alturas, meadow S of Payne Ranch 1560 Comment
  RSA0039537  Salix exigua Lowell A. Ahart, John Dittes 2008-8-25 15310 Modoc On the east bank (flood plain) of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout. 1273 Comment
  CAS-BOT-BC229682  Salix lasiandra subsp. caudata Belknap C. Goldsmith 1911-5-21 24 Modoc East shore of Goose Lake. 1432 Comment
  UC481938  Salix lasiandra subsp. lasiandra Mrs. H. P. Bracelin and Miss Frances D. Payne 1931-6-30 490 Modoc 20 km. e. Alturas (meadow s. of Payne Ranch); Parker Creek 1560 Comment
  CAS-BOT-BC197559  Salix lasiandra var. lasiandra Louis Cutter Wheeler 1935-8-3 3772 Modoc Pine Creek, Warner Mts. 1554 Comment
  SBBG57847  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-29 486 Modoc halfway between Adin and Canby 1350 Comment
  UC481928  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-29 486 Modoc halfway between Adin and Canby 1350 Comment
  UC481933  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-29 487 Modoc halfway between Adin and Canby 1350 Comment
  CAS-BOT-BC229670  Salix lasiolepis var. lasiolepis John H. Hatton 1911-6-13 67 Modoc unspecified Comment
  CAS-BOT-BC229673  Salix lasiolepis var. lasiolepis H. P. Bracelin 1931-6-29 486 Modoc Halfway between Adin and Canby. 1350 Comment
  CAS-BOT-BC229667  Salix lemmonii Francis Dorris Payne 1931-6-25 279 Modoc Pine Creek Basin, Warner Mts., about 33 km SE of Alturas. 2280 Comment
  CAS-BOT-BC229700  Salix lemmonii Louis Cutter Wheeler 1935-8-3 3770 Modoc Pine Creek, Warner Mts. 1554 Comment
  SBBG57898  Salix lemmonii F. D. Payne -Aug-1934 778 Modoc Pine Crk Basin 2316 Comment
  POM107028  Salix lucida subsp. caudata R. M. Austin 1895-05 503 Modoc Davis Creek 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
  SEINET10417376  Salix lucida subsp. lasiandra E. K. Balls 1950-5-20 14794 Modoc South Fork Pit River, South Fork Public Camp. 1433 Comment
  SBBG29031  Salix lutea Mrs. H. P. Bracelin, F. D. Payne 1931-6-30 499 Modoc Parker Crk, 20 km E of Alturas S of Payne Ranch 1560 Comment
  SBBG57894  Salix lutea Mrs. H. P. Bracelin, F. D. Payne 1931-6-30 499 Modoc Parker Crk, 20 km E of Alturas S of Payne Ranch 1560 Comment
  UC481796  Salix lutea Mrs. H. P. Bracelin and Miss Frances D. Payne 1931-6-30 499 Modoc 20 km. e. Alturas (meadow s. of Payne Ranch); Parker Creek 1560 Comment
  CAS-BOT-BC229850  Salix melanopsis H. P. Bracelin; Francis Dorris Payne 1931-6-30 491 Modoc Parker Creek, 20 km E of Alturas. 1560 Comment
  CAS-BOT-BC229846  Salix prolixa Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16367 Modoc Along banks of Pit River, about 3.9 mi. N of Alturas. Comment
  CAS-BOT-BC229830  Salix scouleriana Elmer Ivan Applegate 1932-7-15 7619 Modoc North slope of Bidwell Mountain. Comment
  CAS-BOT-BC229836  Salix scouleriana Belknap C. Goldsmith 1911-5-21 26 Modoc E shore of Goose Lake. Comment
  POM229222  Salix scouleriana Louis C. Wheeler 1935-8-3 3759 Modoc Warner Mountains: Pine Creek. 1738 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
  SEINET198563  Salvia dorrii var. dorrii Helen K. Sharsmith 1955-6-23 4491 Modoc Modoc National Forest ; Warner Mountains. North of State Highway 28 and 6.7 miles east of Cedar Campground. 1859 Comment
  RSA165572  Salvia dorrii var. pilosa Clare B. Hardham 1961-6-17 7529 Modoc Lava flows between Alturas and Susanville 1524 Comment
  CAS-BOT-BC95178  Sambucus melanocarpa Belknap C. Goldsmith 1910-7-20 13 Modoc Fandango Creek, W slope of Warner Mts. 1554 Comment
  JEPS12713  Sambucus mexicana F. H. Frost 1925-7-11 35 Modoc 2 mi above Cedarville; Cedar Canyon campsite Comment
  CAS-BOT-BC238786  Sambucus nigra subsp. caerulea Alice Eastwood; John Thomas Howell 1940-6-12 8054 Modoc Between Likely and Jess Valley Comment
  CAS-BOT-BC95180  Sambucus racemosa var. melanocarpa K. Paulson; Robert Paulson 1991-8-28 254 Modoc Poison Lake, N end of Warner Mountains. 1828 Comment
  UC719796  Sanguisorba annua Rogers McVaugh 1941-8-5 6248 Modoc 8.5 mi w Cedarville (w slope of Warner Mts.); w slope of Warner Mts. Comment
  RSA152608  Sanguisorba annua I. L. Wiggins, D. B. Wiggins 1961-6-12 16380 Modoc Near jct of Cedar Pass Rd and California State Hwy 299. 5.5 miles N of Alturas. Comment
  RSA504644  Sanguisorba annua Bruce Bartholomew 1988-6-23 4240 Modoc 2.1 km SSE of Day on the road to State Highway 299. 1020 Comment
  SEINET11911060  Sanguisorba annua M. J. Williams 1984-1 84- 75 -2 Modoc 27.4 mi N of Cedar Pass Road on Hwy 395 1295 Comment
  UC13056  Sanguisorba annua Milo S. Baker 1893-7-15 Modoc Adobe flat (? descriptive term and not a locality name) 1371 Comment
  UC466699  Sanguisorba annua W. P. Taylor and H. C. Bryant 1910-6-26 Modoc Parker Cr.; Warner Mountains, Parker Cr. 1676 Comment
  CAS-BOT-BC15719  Sanicula graveolens Milo Samuel Baker; Franklin P. Nutting 1894-6-15 Modoc Big Valley Mts. Comment
  CAS-BOT-BC15721  Sanicula graveolens Elmer Ivan Applegate 1932-7-31 7968 Modoc Mill Creek Meadow, W slope of Warner Mts. Comment
  CAS-BOT-BC15723  Sanicula graveolens Alice Eastwood; John Thomas Howell 1940-6-13 8186 Modoc W side of Cedar Pass. Comment
  CAS-BOT-BC15724  Sanicula graveolens Clare Butterworth Hardham 1961-6-18 7590 B Modoc Cedar Pass. 1828 Comment
  CAS-BOT-BC15725  Sanicula graveolens Harry Dwight Dillon Ripley; Rupert Charles Barneby 1944-6-1 5999 Modoc Cedar Pass. 1920 Comment
  CAS-BOT-BC95568  Sarcobatus vermiculatus Edward Kent Balls 1950-5-10 14599 Modoc E shore of Middle Lake, near Cedarville. 1402 Comment
  POM354596  Saxifraga howellii Louis C. Wheeler 1935-8-1 3728 Modoc Warner Mountains: Dismal Swamp, Twenty Mile Creek. 2226 Comment
  POM204151  Saxifraga oregana John T. Howell 1934-6-14 12141 Modoc Near Lost Lake, Warner Mts. 2439 Comment
  UC11860  Saxifraga oregana Milo S. Baker 1893-6 Modoc California Comment
  UCD126456  Schedonorus arundinaceus L. Whitney 1935-7-7 3389 Modoc Howard Gulch, 4 miles NW of Canby. 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
  HSC48002  Scirpus congdonii D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19462 Modoc Upper Rush Creek Campground about 8 mi. N of Adin on Hwy. 299 Comment
  CAS-BOT-BC245119  Scirpus microcarpus Roxana Stinchfield Ferris; R. Duthie 1919-6-17 175 Modoc Parker Creek near Modoc Nat. Forest Boundary. Comment
  CHSC100354  Scirpus microcarpus Lowell Ahart; John Dittes 2008-8-26 15354 Modoc On the bottom of Rose Creek, 250 feet southwest of confluence of Rose Creek and Pit River, on the northwest side of unnamed road, 3160 feet east of intersection with County Road 85a, 9.3 miles (air) north-northeast of Lookout. 1276 Comment
  HSC21135  Scrophularia desertorum M. T. Milligan 1965-6-30 393 Modoc Slopes and ridges E of Jess Valley. 1768 Comment
  UC1012081  Scrophularia desertorum Francis W. Pennell 1940-6-8 25736 Modoc 9-10 mi w Alturas (Rte 299) 1371 Comment
  CAS-BOT-BC95608  Sedum lanceolatum Robert Patterson; Mona Bourell 1993-8-15 5270 Modoc Warner Mountains. Along trail from Patterson Lake to ca. 2 mi north towards Pepperdine Trailhead. 2743 Comment
  CAS-BOT-BC95611  Sedum lanceolatum Annie Montague Alexander; L. Kellogg 1946-7-1 4969 A Modoc Mesa West, Eight Mile Creek, northeast corner of county. Comment
  UC1567433  Sedum rosea subsp. integrifolium G. Schoolcraft 1989-7-16 1954 Modoc s side Patterson Lake (Warner Mtns.); , s side Patterson Lake 2834 Comment
  JEPS48024  Sedum stenopetalum Frances D. Payne 1929-7-20 103 Modoc s and e Alturas (Parker Creek, on n slope, Warner Mountains); Warner Mountains, Parker Creek, s and e of Alturas 1584 Comment
  SEINET8552490  Sedum stenopetalum M. J. Williams 1984-6-30 84- 80 -7 Modoc Near a reservoir 6.8 miles W of Cedarville-Gerlach road. 1981 Comment
  CAS-BOT-BC95613  Sedum stenopetalum subsp. stenopetalum K. Paulson; Robert Paulson 1989-6-21 147 Modoc Near Granger Summit, crest of Warner Mts. 2118 Comment
  CAS-BOT-BC95614  Sedum stenopetalum subsp. stenopetalum Annie Montague Alexander; L. Kellogg 1946-8-8 5123 Modoc Patterson Lake Trail, Warner Mts. Comment
  CAS-BOT-BC95615  Sedum stenopetalum subsp. stenopetalum Francis Dorris Payne 1931-6-11 147 Modoc Parker Creek, Warner Mts. 1584 Comment
  CAS-BOT-BC95618  Sedum stenopetalum subsp. stenopetalum K. Paulson; Robert Paulson 1988-6-11 23 Modoc Parker Creek Road. 1524 Comment
  CAS-BOT-BC50340  Senecio aronicoides Bruce Bartholomew; Barrett Anderson 1989-6-1 4766 Modoc South Fork Davis Creek in the vicinity of the Plum Valley camp ground. 1720 Comment
  CAS-BOT-BC50342  Senecio aronicoides Barrett Anderson 1986-7-9 3165 Modoc Near Stough Reservoir. 1965 Comment
  HSC81124  Senecio aronicoides G. M. Riegel 1980-8-7 1010 Modoc S Warner Mtns. 2100 Comment
  RSA0012438  Senecio aronicoides Bruce Bartholomew 1992-5-14 6277 Modoc SW side of White Horse Mountains, SW of White Horse Flat Reservoir. 1370 Comment
  CDA8598  Senecio canus M. Carstens, D. Chambers 1979-7-6 Modoc Western county about 17 airline miles north of Lookout. 0 Comment
  CDA8600  Senecio canus T. C. Fuller 1965-6-2 13596 Modoc South side of Highway 299 to Canby, 10.3 miles west of Alturas. 0 Comment
  RSA339126  Senecio eurycephalus Margaret J. Williams 1984-6-30 84- 83 -1 Modoc 16.3 miles on Parker Creek Road, paved road to Cedar Pass Road 1.5 miles. 1524 Comment
  CHSC75464  Senecio eurycephalus var. eurycephalus V. H. Oswald; B. Corbin, A. Sanger, G. Schoolcraft 1999-6-12 9768 Modoc East of Alturas on Hwy. 299 3.2 mi east of its junction with Hwy. 395. Adjacent to highway. 1524 Comment
  HSC81127  Senecio fremontii G. M. Riegel 1979-9-6 750 Modoc South Warner Mtns. 1829 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
  UC1567364  Senecio fremontii var. fremontii G. Schoolcraft 1989-7-16 1952 Modoc Patterson Lake Warner Mts. 2773 Comment
  CAS-BOT-BC50283  Senecio hydrophiloides P. Monnet 1913-7-1 900 Modoc Warner Range. 2133 Comment
  UC1169382  Senecio hydrophiloides R. Ornduff 1957-7-6 4229 Modoc 1 mi w Benton Meadow; Warner Mountains Comment
  CAS-BOT-BC50284  Senecio hydrophilus James D. Jokerst 1983-5-31 1807 Modoc Near Signal Butte. 1340 Comment
  CAS-BOT-BC50285  Senecio hydrophilus Robert Folger Thorne; C. W. Tilforth 1969-9-5 39167 Modoc Clear Lake, Warner Mts. 1767 Comment
  CHSC106185  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
  RSA0012561  Senecio hydrophilus R. F. Thorne, C. W. Tilforth 1969-9-5 39167 Modoc Modoc National Forest, Warner Mountains, Clear Lake. 1768 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-BC50296  Senecio integerrimus var. exaltatus Elmer Ivan Applegate 1932-8-1 8039 Modoc Arid summit of Warner Mountains, S of Warren Peak. Comment
  JEPS5945  Senecio integerrimus var. exaltatus Frances D. Payne 1931-6-25 250 Modoc flat w Warren Peak; Warner Mountains 2133 Comment
  HSC81129  Senecio triangularis G. M. Riegel 1980-8-12 1033 Modoc South Warner Mtns. 2100 Comment
  RSA504851  Senecio triangularis Bruce Bartholomew, B. Anderson 1988-7-21 4434 Modoc Vicinity of Lower Rush Creek Campground ca. 1 km east of State Highway 299 between Adin and Canby. 1430 Comment
  NY850194  Shepherdia argentea B. M. Bartholomew 1989-4-29 4702 Modoc Sand Creek, east side of Surprise Valley, ca. 10 km east of Cedarville 1400 Comment
  NY847589  Sibbaldia procumbens B. M. Bartholomew 1991-8-6 6080 Modoc N Emerson Lake, east side of Warner Mountains 2370 Comment
  RSA95254  Sidalcea glaucescens F. W. Peirson 6867 Modoc West slope of Warner Mts. on Cedarville Rd Comment
  UCD116666  Sidalcea glaucescens Jack Major 1966-6-24 s.n. Modoc above Goose Lake, west side of Fandango Pass. 1645 Comment
  NY53361  Sidalcea oregana K. Paulson 1989-7-18 196 Modoc Vicinity of Granger Creek, E side of Warner Mts. 1914.1 Comment
  HSC32016  Sidalcea oregana A. M. Montalvo, J. D. Ackerman 1974-7-6 369 Modoc Cedar Pass Campground along N side of Thoms Creek Canyon, 1.5 mi. W of Cedar Pass off Hwy. 299 E Comment
  CAS-BOT-BC179065  Sidalcea oregana subsp. oregana John Thomas Howell 1934-6-12 11999 Modoc 6 mi. S of Davis Creek. Comment
  CAS-BOT-BC179078  Sidalcea oregana subsp. oregana Barrett Anderson 1986-7-9 3138 Modoc Roney Flat Rd just off Hwy 299. 1435 Comment
  CAS-BOT-BC179080  Sidalcea oregana subsp. oregana Amos Arthur Heller 1938-6-24 15227 Modoc Between Alturas and Canby. 1219 Comment
  CAS-BOT-BC179086  Sidalcea oregana subsp. oregana Leland S. Smith 1922-7-23 1309 Modoc Grouse Mt. 1981 Comment
  UC1192273  Sidalcea oregana subsp. oregana Verne Grant, Irving Schneider 1947-7-22 8144 Modoc on Highway 395 about one mi n of junction with Cedarville Road (North Fork of Pit River); , n of jct w Cedarville Road Comment
  UC748250  Sidalcea oregana subsp. oregana Annie M. Alexander and Louise Kellogg 1946-7-7 4924 Modoc Eight Mile Creek Eight Mile Creek (ne corner of county) 1752 Comment
  POM84283  Sidalcea oregana subsp. oregana R. M. Austin 1895-08 417 Modoc Goose Lake Valley Comment
  RSA520348  Sidalcea oregana subsp. oregana Bruce Bartholomew, B. Anderson 1989-6-3 4886 Modoc ca. 5.5 km E of the SE cirber if Clear Lake Reservoir 1430 Comment
  CAS-BOT-BC179053  Sidalcea oregana subsp. spicata Leland S. Smith 1920-7-13 1188 Modoc Crowder Flat. 1371 Comment
  CAS-BOT-BC179056  Sidalcea oregana subsp. spicata Bruce Bartholomew; Barrett Anderson 1990-7-19 5437 Modoc Sweagert Flat. 1860 Comment
  UC748249  Sidalcea oregana subsp. spicata Annie M. Alexander and Louise Kellogg 1946-7-18 5024 Modoc Benton Meadow Warner Mountains, Benton Meadow 2072 Comment
  NY446681  Silene dichotoma B. M. Bartholomew 1990-7-20 5489 Modoc 10.3 km north of Buck Creek Ranger Station, crest of Warner Mountains on the west side of Warner Mountains 2130 Comment
  UC190595  Silene douglasii M. F. Gilman 507 Modoc slopes 1524 Comment
  CAS-BOT-BC95250  Silene douglasii var. douglasii Francis Marion Ownbey; Frederick Gustav Meyer 1940-7-1 2154 Modoc Cedar Peak, Warner Mts. Comment
  CAS-BOT-BC95252  Silene douglasii var. douglasii Annie Montague Alexander; L. Kellogg 1946-7-7 4939 Modoc Eight Mile Creek, NE corner of County. 1752 Comment
  CDA3460  Silene latifolia subsp. alba T. C. Fuller 1975-9-4 20097 Modoc West side of Highway 139, 2 miles south of the plant quarantine station. 0 Comment
  UC4230  Sisyrinchium bellum Milo S. Baker 1893-6 Modoc Egg Leake Island Comment
  SEINET3991799  Smilacina amplexicaulis Unknown 1940-5-27 6681 Modoc 15 miles NE of Alutras. 1615 Comment
  UC1036057  Smilacina racemosa Annie M. Alexander and Louise Kellogg 1946-7-1 4892 Modoc 1/2 mi e summit <of> Bidwell Creek Road; Warner Mountains Comment
  UC844168  Smilacina racemosa C. L. Hitchcock 1940-5-27 6681 Modoc 15 mi ne Alturas 1615 Comment
  UC71880  Smilacina stellata Mrs. M. H. Manning 1903-1 114 Modoc Ft. Bidwell; near streams, ne Modoc Co. Comment
  CDA39384  Smilacina stellata T. C. Fuller 1963-6-11 10654 Modoc 3.1 miles north of Blue Lake Guard Station, 14.0 miles southeast of Likely. 0 Comment
  NY820315  Solanum triflorum L. C. Wheeler 1935-9-22 3995 Modoc Pit River at Rattlesnake Butte, Warm Springs Valley 1341 Comment
  CAS-BOT-BC245434  Solanum umbelliferum Bruce Bartholomew 1993-6-12 6582 Modoc Road to Day Rock from Little Hot Spring Valley. 1250 Comment
  CAS-BOT-BC245437  Solanum umbelliferum Bruce Bartholomew; Barrett Anderson 1988-6-23 4260 Modoc 1.8 km WSW of Day on County Road 94. 1170 Comment
  CAS-BOT-BC54289  Solidago canadensis subsp. elongata Bruce Bartholomew 1991-8-4 6011 Modoc Rush Creek, Round Valley, 0.8 km E of Hwy 299 on County Road 86. 1310 Comment
  UC1999896  Solidago elongata J. C. Semple, B. A. Suripto, T. Ahmed 1990-8-11 9295 Modoc NE of Alturas, flood plain of N. Fork Railroad by US-395, approx. 2 km S of Joseph Creek Rd. Comment
  CAS-BOT-BC158916  Sorbus scopulina M. S. Baker 1899-8-1 s.n. Modoc Forest Dale Comment
  UC46334  Sorbus scopulina var. cascadensis Frances D. Payne 1929-7-7 52 Modoc 2 mi sw Mt. Warren (Pine Creek Basin); Warner Mountains 2133 Comment
  UC46335  Sorbus scopulina var. cascadensis Frances D. Payne 1931-6-21 230 Modoc Parker Creek, s and e of Alturas (w of Dry Creek); Warner Mountains 1981 Comment
  CAS-BOT-BC242253  Sparganium emersum Bruce Bartholomew 1995-7-30 7072 Modoc Drainage from Taylor Reservoir just E of junction of County roads 93 and 94. 1260 Comment
  CAS-BOT-BC242300  Sparganium emersum Louis Cutter Wheeler 1935-8-3 3761 Modoc Pine Creek, Warner Mts. 1737 Comment
  CHSC116089  Sparganium emersum Lowell Ahart; John Dittes 2015-7-15 20347 Modoc On the east side of Elkins Lane, about 100 yards northeast of the Parking Area, northwest of the old barn, Ash Creek State Wildlife Area, about 3.9 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  JEPS32229  Sparganium emersum var. emersum W. L. Jepson 1918-8-12 7949 Modoc Jess Valley 1584 Comment
  CAS-BOT-BC242299  Sparganium eurycarpum subsp. eurycarpum Elmer Ivan Applegate 1929-7-29 6088 Modoc Clear Lake Dam. Comment
  JEPS920  Sphenosciadium capitellatum L. S. Smith 1918-7-15 998 Modoc Mill Cr. Corral , Mill Cr. Corral (Modoc Forest) Comment
  UC748408  Sphenosciadium capitellatum Annie M. Alexander and Louise Kellogg 1946-7-12 4983 Modoc Twelve Mile Creek; ne corner of county Comment
  UC71760  Sphenosciadium capitellatum Mrs. M. H. Manning August, 1903 199 Modoc Mill Canyon; north-eastern Modoc County Comment
  UC673575  Spiranthes romanzoffiana F. H. Frost 1925-7-24 131 Modoc Jess Valley Warner Mts. Comment
  CAS-BOT-BC242205  Spiranthes romanzoffiana Bruce Bartholomew; Barrett Anderson 1988-7-23 4569 Modoc Field redacted by CAS, contact the data manager for more information 2180 Comment
  UC1191922  Stachys palustris subsp. pilosa Verne Grant, Irving Schneider 1947-7-22 8146 Modoc about 1 mi n Surprise station (on Highway 395); North Fork of Pit River Comment
  HSC1957  Stachys rigida var. rigida M. T. Milligan 1966-6-30 500 Modoc Slopes and ridges E of Jess Valley 1768 Comment
  HSC81098  Stachys rigida var. rigida G. M. Riegel 1980-7-29 964 Modoc S Warner Mtns. 2100 Comment
  CAS-BOT-BC95229  Stellaria longipes Annie Montague Alexander; L. Kellogg 1946-7-10 4959 Modoc Eight Mile Creek, NE corner of county. 1755 Comment
  CAS-BOT-BC95287  Stellaria longipes Bruce Bartholomew 1992-5-16 6324 Modoc Lunsford Spring. 1600 Comment
  NY482949  Stellaria longipes B. M. Bartholomew 1988-7-22 4515 Modoc Southeast side of Sunflower Knob, southern end of the Warner Mountains; Emerson Peak 7 1/2' Quad. 2160 Comment
  SEINET5337329  Stellaria longipes M. H. Manning 144 Modoc Near Forb Bidwell 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
  CDA14601  Stephanomeria spinosa G. D. Barbe 1991-8-27 4441 Modoc Warner Mountains; East of Bald Mountain, Modoc National Forest. 2316 Comment
  HSC81113  Stephanomeria tenuifolia G. M. Riegel 1978-8-22 119 Modoc South Warner Mtns. 1670 Comment
  JEPS121193  Stipa nelsonii subsp. dorei John Dittes 2013-7-25 18960 Modoc S edge of Ash Creek floodplain, NE of Patterson Homestead, E of Elkins Lane, 1.0 air mile S of County Road 87, 3 air miles W of Adin, Big Valley. Comment
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Mar 1 2021
  CAS-BOT-BC95049  Streptanthella longirostris Bruce Bartholomew 1991-5-24 5702 Modoc Surprise Valley, 6.6 km E of Eagleville. 1390 Comment
  CAS-BOT-BC95057  Streptanthus cordatus var. cordatus Elmer Ivan Applegate 1932-7-9 7577 Modoc N slope of Bidwell Mountain, Warner Mts. Comment
  CAS-BOT-BC95071  Streptanthus cordatus var. cordatus Annie Montague Alexander; L. Kellogg 1946-6-22 4815 Modoc Bidwell Creek, 2 mi. above Fort Bidwell. Comment
  UC1736576  Streptanthus cordatus var. cordatus Dean Wm. Taylor with Glenn Clifton 1987-6-27 9102 Modoc Highway 395 3.5 miles N of Northern junction with Highway 299 1371 Comment
  UCD138335  Stuckenia striata Robert F. Thorne; J. Henrickson, C. W. Tilforth 1969-9-4 39084 Modoc east shore of Goose Lake at Willow Ranch. 1432 Comment
  SJSU9599  Stylocline psilocarphoides W. Savage 1979-7-5 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
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Dec 18 2006
  CAS-BOT-BC180103  Swertia albicaulis var. albicaulis Bruce Bartholomew 1993-6-14 6658 Modoc 5.5 km E of County Road 114 on County Road 108, NW of Clear Lake Reservoir. 1440 Comment
  CAS-BOT-BC180106  Swertia albicaulis var. albicaulis Isabelo T. Kelly 1930-1-1 67 Modoc Modoc County. Comment
  UC22717  Swertia albicaulis var. nitida Milo S. Baker 1893-7-20 Modoc 1371 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
  POM193017  Symphoricarpos mollis M. S. Baker 1893-1 193 Modoc Medicine Lake. Comment
  CAS-BOT-BC95182  Symphoricarpos rotundifolius var. rotundifolius A. D. Borden 1911-8-9 Modoc Mall place S side of Shields Creek. Comment
  CAS-BOT-BC95198  Symphoricarpos rotundifolius var. rotundifolius Bruce Bartholomew; Barrett Anderson 1990-7-20 5510 Modoc Tamarack Flat, E side of Warner Mts. 2150 Comment
  UCD136513  Symphyotrichum ascendens John C. Hays 1946-10-4 s.n. Modoc Alturas. Comment
  CAS-BOT-BC15219  Symphyotrichum eatonii Robert Folger Thorne; C. W. Tilforth 1969-9-5 39174 Modoc Modoc National Forest, Warner Mtns., along Fall Creek below Falls 1737 Comment
  CAS-BOT-BC15221  Symphyotrichum eatonii Leland S. Smith 1922-8-8 1333 Modoc Along stream in Section 14.T40, R9 1524 Comment
  CAS-BOT-BC15223  Symphyotrichum foliaceum var. parryi Annie Montague Alexander; L. Kellogg 1946-8-9 5145 Modoc Patterson Lake Trail, Warner Mountains Comment
  CAS-BOT-BC15224  Symphyotrichum foliaceum var. parryi Bruce Bartholomew 1990-8-5 5678 Modoc Summit Trail, ca. 4 km N of Patterson Ranger Station, W side of Warner Mts. 2470 Comment
  CAS-BOT-BC15225  Symphyotrichum foliaceum var. parryi Roxana Stinchfield Ferris; L. Lorraine 1941-8-14 10591 Modoc Three miles from Patterson Ranger Station on road to Eagleville, Warner Mountains Comment
  UC1192203  Symphyotrichum spathulatum Verne Grant and Irving Schneider 1947-8-28 8335 Modoc nw of, (Jack Swamp) Alturas; Jack Swamp Comment
  HSC5058  Symphyotrichum spathulatum var. spathulatum M. T. Milligan 1966-7-28 596 Modoc E slope eroded volcanic plateau 1677 Comment
  CAS-BOT-BC232358  Synthyris missurica Annie Montague Alexander; L. Kellogg 1946-6-28 4857 Modoc Pine Creek Canyon. Comment
  CAS-BOT-BC232364  Synthyris missurica Elmer Ivan Applegate 1932-8-2 8089 Modoc Mill Creek Meadow. Comment
  CAS-BOT-BC232367  Synthyris missurica Bruce Bartholomew 1990-6-16 5260 Modoc W side of Pine Creek Basin, Warner Mountains. 2200 Comment
  UC27657  Synthyris missurica Mrs. Bruce 1898-1-1 Modoc Comment
  CAS-BOT-BC252541  Taeniatherum caput-medusae Bruce Bartholomew; Barrett Anderson 1988-6-23 4220 Modoc 2.1 km SSE of Day on the road to State Highway 299. 1020 Comment
  UCD32680  Taeniatherum caput-medusae Beecher Crampton 1954-7-6 2089 Modoc Modoc County, Porter Ranch, 8 miles east of Alturas, on Road 56. Comment
  UCD86165  Taeniatherum caput-medusae T. C. Fuller 1959-7-8 2742 Modoc roadside hillslope, Hwy 299, 8 miles west of Alturas. Comment
  UCD86197  Taeniatherum caput-medusae R. Tofsrud 1950-7-25 s.n. Modoc Hwy. 299, Pit River bridge, few mi. S. of Canby. Comment
  UCD86205  Taeniatherum caput-medusae L. Whitney 1935-7-20 3543 Modoc meadow near Canby. Comment
  JEPS6003  Tanacetum vulgare Frances D. Payne 1935-8-25 811 Modoc s and e of Alturas (Warner Mountains, Parker Creek); Warner Mountains, Parker Creek 1584 Comment
  CAS-BOT-BC376838  Tanacetum vulgare Frances D. Payne 1935-8-25 811 Modoc Parker Creek 1584 Comment
  CAS-BOT-BC376908  Taraxacum officinale Mrs. R. M. Austin; Mrs. Bruce 1898-5-1 2178 Modoc Modoc Comment
  CHSC107330  Taraxia subacaulis Lowell Ahart; John Dittes 2011-6-21 17516 Modoc About 200 yards west of the fence, south edge of the meadow, Ash Creek State Wildlife Area, about 2,000 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  SBBG33670  Taraxia tanacetifolia T. L. Secrest 1951-6-22 Modoc Warner Mtns? Comment
  UC1562576  Taraxia tanacetifolia Barbara Ertter 1988-6-18 7606 Modoc w side Hwy 139 just s where it crosses railroad at jct to Clear Lake (ne of Dry Lake e of Lava Beds Nat'l Monument) 1249 Comment
  HSC67874  Tetradymia canescens J. P. Smith, J. O. Sawyer 1973-8-8 7247 Modoc S slopes of Eagle Peak 2561 Comment
  CAS-BOT-BC217126  Thalictrum fendleri Elmer Ivan Applegate 1932-8-31 7990 Modoc Mill Creek Meadow, Warner Mts. Comment
  CAS-BOT-BC217174  Thalictrum fendleri Bruce Bartholomew; Barrett Anderson 1988-6-24 4319 Modoc Lily Lake, W side of the Warner Mts.. 2130 Comment
  HSC1962  Thalictrum fendleri M. T. Milligan 1966-7-3 549 Modoc Slopes and ridges E of Jess Valley 1829 Comment
  CAS-BOT-BC95073  Thelypodium flexuosum Bruce Bartholomew 1993-6-13 6633 Modoc Near Fortynine Creek, E of Cedarville on E side of Surprise Valley. 1400 Comment
  CAS-BOT-BC95074  Thelypodium flexuosum Bruce Bartholomew 1991-5-24 5696 Modoc Surprise Valley, 5.1 km E of Eagleville. 1370 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
  RSA551271  Thelypodium flexuosum Bruce Bartholomew 1991-5-24 5696 Modoc Surprise Valley, 5.1 km E of Eagleville 1370 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-BC95078  Thelypodium milleflorum Bruce Bartholomew 1993-6-13 6632 Modoc Near Fortynine Creek, E of Cedarville on E side of Surprise Valley. 1400 Comment
  UC1037240  Thermopsis californica var. argentata Leo Whitney 1935-6-2 3177 Modoc near White Horse; White Horse Lake (flat) Comment
  UCD162393  Thinopyrum intermedium Chuck Hughes 2015-9-12 438 Modoc Near the Larry Flat Campound, Modoc National Forest. 1823 Comment
  SEINET8263329  Thinopyrum intermedium Richard R. Halse 2006-8-3 6993 Modoc Modoc National Forest, Patterson Station Campground, ca. 15 air miles east of Likely, south end of the Warner Mountains. 2109 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
  HSC6974  Thlaspi arvense M. T. Milligan 1965-6-23 307 Modoc N end Jess Valley 1616 Comment
  UCD93194  Torreyochloa pallida var. pauciflora August L. Hormay 1932-7-17 s.n. Modoc Lily Lake. Comment
  CAS-BOT-BC54246  Tragopogon dubius Bruce Bartholomew 1990-6-18 5366 Modoc S side of Goose Lake, ca. 5 km SSE of McGinty Point. 1400 Comment
  HSC6291  Tragopogon porrifolius M. T. Milligan 1964-8-8 214 Modoc Corner of East D and 8th Street, Alturas 1372 Comment
  CHSC106336  Tribulus terrestris Lowell Ahart; John Dittes 2010-8-30 17081 Modoc Parking Area west of the old barn, on the west side of Elkins Lane, Ash Creek State Wildlife area, 320 feet north of Lassen County Line, about 4.4 miles (air) west of Adin, about 7.2 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  UC1025098  Trichostema oblongum Leo Whitney 1934-5-24 1620 Modoc near Hockamore; Modoc National Forest 1463 Comment
  HSC41112  Trichostema simulatum Thomas W. Nelson, Jane P. Nelson, James Nelson 1976-8-29 3259 Modoc Modoc National Forest: along Hwy. 299 just NW of Adin Pass 1524 Comment
  CAS-BOT-BC181782  Trifolium cyathiferum Francis Dorris Payne 1931-6-18 191 Modoc Parker Creek. 1584 Comment
  CAS-BOT-BC181788  Trifolium cyathiferum Bruce Bartholomew; Barrett Anderson 1988-7-22 4517 Modoc SE side of Sunflower Knob, southern end of the Warner Mts.. 2160 Comment
  CAS-BOT-BC181773  Trifolium hybridum Bruce Bartholomew 1991-7-6 5963 Modoc Ash Creek Bird Santuary, 0.2 km N of Lassen County line on Modoc County Road 87A. 1260 Comment
  CAS-BOT-BC181742  Trifolium longipes Bruce Bartholomew; Barrett Anderson 1989-6-3 4920 Modoc Stone Coal Valley, 3 km E of State Hwy 299. 1400 Comment
  CAS-BOT-BC181752  Trifolium longipes Annie Montague Alexander; L. Kellogg 1946-6-8 4694 Modoc Road from Eagleville to Patterson Mill. 2286 Comment
  HSC15135  Trifolium longipes M. T. Milligan 1966-6-14 459 Modoc N end of Jess Valley 1616 Comment
  SD46733  Trifolium longipes Robert J. Weatherby 1955-7-7 1604 Modoc Dismal Swamp, northern Warner Mountains, boggy meadow 2240 Comment
  NY717186  Trifolium longipes B. M. Bartholomew 1988-6-24 4305 Modoc Road beyond Poison Lake ca. 0.8 km south of the road from U.S. Highway 395 to Lily Lake, Warner Mountains 2130 Comment
  JEPS118441  Trifolium longipes var. hansenii Lowell Ahart, John Dittes 2011-6-21 17525 Modoc About 250 yards west of the fence, about 250 yards east of the old barn, 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-BC181727  Trifolium macrocephalum Bruce Bartholomew; Barrett Anderson 1989-4-28 4650 Modoc 8.8 km N of State Highway 299 on road to Raker & Thomas Reservoir. 1470 Comment
  CAS-BOT-BC181732  Trifolium macrocephalum Leland S. Smith 1917-6-10 35 Modoc Jess Valley. 1524 Comment
  CHSC54183  Trifolium macrocephalum Vernon H. Oswald 1991-5-28 4631 Modoc North side of aprking area on the southeast side of Pilot Butte, Ash Creek Wildlife Area, ca. 5.5 miles north northeast of Bieber. 1264 Comment
  JEPS65937  Trifolium macrocephalum L. S. Smith 1917-1 795 Modoc Jess Valley Warner Mountains Comment
  JEPS65938  Trifolium macrocephalum L. S. Smith 1917-6-10 35 Modoc Jess Valley Warner Mountains 1524 Comment
  UCR87512  Trifolium macrocephalum George K. Helmkamp, E. A. Helmkamp 1993-5-4 s.n. Modoc 25.6 miles NW of Canby along Calif. Hwy 139 1280 Comment
  UC16615  Trifolium macrocephalum Mrs. R. M. Austin and Bruce May 1898 2291 Modoc Goose Lake Comment
  SEINET7073583  Trifolium microcephalum A. G. Vestal 1955-5-18 s.n. Modoc About 3.7 miles east of Adin on Route 87. UTM Zone 10, 663529mE, 4563872mN. Coordinate datum: NAD27. Comment
  JEPS66042  Trifolium pratense Frances D. Payne 1931-6-17 173 Modoc se Alturas (Parker Creek); Warner Mtns Comment
  CAS-BOT-BC181767  Trifolium productum Bruce Bartholomew; Barrett Anderson 1988-6-24 4307 Modoc Road beyond Poison Lake ca. 8 km S of the road from U.S. Highway 395 to Lily Lake, Warner Mts.. 2130 Comment
  CAS-BOT-BC181770  Trifolium productum K. Paulson; Robert Paulson 1988-6-29 68 Modoc N of Benton Meadow along Davis Creek, Warner Mts.. 1676 Comment
  UCR34821  Trifolium productum J. A. Harpel 1981-8-6 V- 8 Modoc Warner Mtns, South Warner Wilderness Area: E end of Patterson Lake, 7 mi NW of Eagleville 2744 Comment
  HSC15169  Trifolium repens M. T. Milligan 1966-8-12 652 Modoc North end of Jess Valley 1616 Comment
  CAS-BOT-BC180163  Trifolium variegatum Bruce Bartholomew; Barrett Anderson 1989-6-1 4727 Modoc Shake Spring, NW side of Shaffer Mountain. 1500 Comment
  SEINET7073590  Trifolium willdenovii 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-BC180160  Trifolium wormskioldii Bruce Bartholomew; Barrett Anderson 1990-7-20 5540 Modoc Buck Creek between Del Pratt Spring and Howard Flat, W side of Warner Mts. 1990 Comment
  POM27705  Trifolium wormskioldii R. M. Austin 1895-07 258 Modoc Goose Lake Valley. Comment
  HSC81093  Trifolium wormskioldii G. M. Riegel 1980-7-30 974 Modoc S Warner Mtns. 2100 Comment
  SJSU9594  Trifolium wormskioldii W. Savage 1979-7-5 1361 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  UC1099957  Triglochin maritima Herbert L. Mason, Verne Grant 1947-7-12 13438 Modoc n Likely (Corporation Ranch Headquarters); , n of Likely Comment
  JEPS70739  Trisetum canescens L. S. Smith 1919-7-24 113 Modoc Joseph Creek; Warner Mts. Comment
  CAS-BOT-BC242159  Triteleia hyacinthina Bruce Bartholomew; Barrett Anderson 1990-7-19 5438 Modoc Sweagert Flat. 1860 Comment
  CAS-BOT-BC58560  Turritis glabra John Thomas Howell 1934-6-12 12021 Modoc Plum Valley, Warner Mts. Comment
  CAS-BOT-BC58562  Turritis glabra Bruce Bartholomew; Barrett Anderson 1990-7-20 5466 Modoc 4 km N of Buck Creek Ranger Station at turn off to Del Prat Spring, W side of Warner Mts. 1900 Comment
  CAS-BOT-BC404160  Urtica dioica subsp. holosericea Elmer I. Applegate 1932-8-3 8103 Modoc Mill Creek Meadows, Warner Mts. Comment
  CAS-BOT-BC404163  Urtica dioica subsp. holosericea Frances D. Payne 1932-7-11 688 Modoc Parker Creek 1584 Comment
  SJSU9374  Utricularia macrorhiza W. Savage 1979-7-6 1381 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  SJSU9379  Utricularia minor W. Savage 1979-7-6 1382 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  UCD99486  Vaccaria hispanica Frances D. Payne 1931-7-4 313 Modoc Parker Creek, Warner Mts, south and east of Alturas. 1584 Comment
  CAS-BOT-BC95703  Vaccinium cespitosum Louis Cutter Wheeler 1935-8-8 3811 Modoc N Fork Bidwell Creek. 2377 Comment
  CAS-BOT-BC95705  Vaccinium cespitosum A. D. Borden 1911-6-14 Modoc W slope head of Davis Creek. Comment
  CHSC69746  Vaccinium cespitosum Loren Gehrung 1996-9-7 106 Modoc Northern Warner Mts. 5 1/2 air miles east of Goose Lake. Mineral Springs. 2377 Comment
  CAS-BOT-BC245385  Valeriana californica K. Paulson; Robert Paulson 1990-7-2 209 Modoc Cave Lake, W side of Warner Mts. 1987 Comment
  CHSC111993  Valeriana californica B. Castro; L. P. Janeway 2008-8-17 1754 Modoc Warner Mountains. North slope of Bald Mountain; mid-slope not far above last row of trees. 2319 Comment
  UC28813  Valeriana californica Mrs R. M. Austin and Bruce Austin June 1898 2262 Modoc Lake City Canyon Comment
  RSA503239  Valeriana occidentalis Bruce Bartholomew, B. Anderson 1988-6-24 4303 Modoc Road beyond Poison Lake, ca. 8 km S of the road from Hwy 395 to Lily Lake, Warner Mountains. 2130 Comment
  CHSC110904  Ventenata dubia Lowell Ahart; John Dittes 2012-7-10 18311 Modoc Ash Creek State Wildlife Area, about 3.2 miles (air) west of Adin, about 8.4 miles (air) northeast of Bieber, Big Valley. Northeast of the old homestead. 1267 Comment
  CAS-BOT-BC242189  Veratrum californicum var. californicum Isabel T. Kelly 1930-1-1 45 Modoc Fort Bidwell. Comment
  CAS-BOT-BC242190  Veratrum californicum var. californicum Barrett Anderson 1986-7-10 3197 Modoc West Warner Rd at the North Fork of Pine Creek. 1935 Comment
  CAS-BOT-BC242193  Veratrum californicum var. californicum P. Monnet 1913-7-7 848 Modoc Warner's Range. 2286 Comment
  CAS-BOT-BC245484  Verbascum blattaria G. Schoolcraft 1984-7-31 1331 Modoc Along Centerville Rd., SW of Alturas. 1325 Comment
  CAS-BOT-BC245408  Verbena hastata Bruce Bartholomew 1989-8-11 5085 Modoc SW of Lower Alkali Lake, Surprise Valley, 1.6 km N of Lassen County boundary on County Road 1. 1400 Comment
  CAS-BOT-BC245468  Veronica americana Bruce Bartholomew; Barrett Anderson 1988-7-21 4470 Modoc Vicinity of Patterson Campground, southern end of the Warner Mts. 2190 Comment
  CAS-BOT-BC245475  Veronica americana Leland S. Smith 1918-7-11 987 Modoc Mill Creek Meadows. Comment
  JEPS114686  Veronica catenata Lowell Ahart, John Dittes 2008-6-21 14998 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) north of the Headquarters at Ash Creek State Wildlife Area, about 5.4 miles (air) northeast of Bieber 1255 Comment
  CDA6487  Veronica catenata T. C. Fuller 1979-6-5 20267 Modoc R. A. Byrne property, north side of Highway 108, 10 km northeast of Tulelake. 0