Search Results — 2000 specimen records retrieved (1496 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

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

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC15672  Achillea millefolium Bruce Bartholomew 1989-8-11 5098 Modoc Vicinity of Patterson Ranger Station, S end of Warner Moutains. 2160 Comment
  CHSC85156  Achillea millefolium John Dittes; Josephine Guardino 1991-7-21 409 Modoc Modoc Plateau; Big Valley; Ash Creek Wildlife Area; ca. 5.7 air-miles northeast of Bieber, ca. 7.6 air-miles west of Adin, ca. 1.5 air-mile southeast of Pilot Butte summit; meadow at northern edge of Ash Creek Floodplain (Big Swamp) at southeast base of Pilot Butte. 1258 Comment
  CAS-BOT-BC242279  Achnatherum hymenoides Bruce Bartholomew 1990-6-17 5338 Modoc Surprise Valley, SE corner of Upper Alkali Lake. 1390 Comment
  SEINET191855 Image available Achnatherum lemmonii C. L. Hitchcock 1940-5-28 6724 Modoc 15 mi N of Alturas (near Surprise) 1402 Comment
  UCD32695  Achnatherum lemmonii Beecher Crampton 1954-7-6 2110 Modoc Modoc County, Road 56, following Shields Creek into Warner Mountains, 22 miles east of Alturas. Comment
  UC1153863  Achnatherum occidentale subsp. pubescens Beecher Crampton 1954-7-6 2114 Modoc 20 mi e Alturas (Shields Creek); Warner Mountains, Shields Creek 1524 Comment
  CAS-BOT-BC242312  Achnatherum thurberianum Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16438 Modoc 4 mi. E of summit of Cedar Pass along Cedar Pass road. Comment
  SEINET235271  Achnatherum thurberianum Mike Dolan 1980-10-19 Modoc unspecified 1341 Comment
  UC1024980  Achnatherum thurberianum Leo Whitney 1935-7-6 3418 Modoc Pit River near Lookout; Pit River Comment
  SJSU9550  Acmispon americanus var. americanus W. Savage 1979-7-3 1284 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  CHSC117501  Acmispon denticulatus Lowell Ahart; John Dittes 2016-7-14 21170 Modoc West side of a new pond, south of Ash Creek Canal (now filled in), south of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. 1273 Comment
  CAS-BOT-BC218307  Aconitum columbianum Leland S. Smith 1917-8-3 146 Modoc Davis Creek. 2133 Comment
  UC465619  Aconitum columbianum Mrs. M. H. Manning 102 Modoc n.e. Modoc Co. Comment
  CAS-BOT-BC218317  Actaea rubra Bruce Bartholomew 1989-7-14 4972 Modoc Cedar Spring. 1480 Comment
  JEPS60376  Actaea rubra Milo S. Baker 1893-7-15 Modoc 1371 Comment
  UC8856  Actaea rubra Milo S. Baker 1893-8-10 Modoc Comment
  CAS-BOT-BC218326  Adonis aestivalis L. K. Mann; Pat Mann 1963-6-19 Modoc 1-2 mi. SW of Canby, U.S. Highway 299. Comment
  CDA36051  Adonis aestivalis CDFA Staff 1978-1 Modoc One mile east of Canby. 0 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-BC179889  Agastache urticifolia Bruce Bartholomew; Barrett Anderson 1990-7-20 5481 Modoc 10.3 km N of Buck Creek Ranger Station, crest of Warner Mountains W side of Warner Mts. 2130 Comment
  HSC14192  Agastache urticifolia M. T. Milligan 1965-6-27 369 Modoc E slope of eroded volcanic plateau. 1677 Comment
  RSA534711  Agastache urticifolia Bruce Bartholomew 1991-7-6 5979 Modoc Curtis Waterhole and adjacent lava outcrops. 399 Comment
  SEINET7940441  Agastache urticifolia M. S. Baker 1893-1 s.n. Modoc Egg Lake. Comment
  CHSC118796  Ageratina occidentalis L. P. Janeway 2015-8-9 11824 Modoc Warner Mountains. On the south side of a knoll on the west side of Road 39N06 2.2 road-km north of Road 64 (39N01 - the road to Patterson campground); 5.8 air-km north-northeast of Blue Lake. 2170 Comment
  POM54280  Ageratina occidentalis M. S. Baker 1897-08 s.n. Modoc North Side of Egg Lake in Lava Comment
  CAS-BOT-BC21366  Agoseris aurantiaca var. aurantiaca L. S. Smith 1920-7-31 1194 Modoc Mill Creek (S) 2133 Comment
  RSA608594  Agoseris glauca var. dasycephala L. C. Wheeler 1935-8-16 3885 Modoc Warner Mountains: Dismal Swamp, Twenty Mile Creek. 2226 Comment
  SEINET2029689 Image available Agoseris glauca var. laciniata C. L. Hitchcock 1940-5-27 6707 Modoc 15 miles northeast of Alturas 1676 Comment
  UC29358  Agoseris heterophylla var. heterophylla M. S. Baker and Frank Nutting 1894-6-16 Modoc hillside near Forestdale Comment
  CAS-BOT-BC126781  Agoseris parviflora John Thomas Howell 1934-6-14 12115 Modoc Near Lost Lake, Warner Mts. 2438 Comment
  JEPS36389  Agoseris retrorsa Milo S. Baker 1893-7-12 Modoc South Hillside Comment
  CAS-BOT-BC242302  Agropyron cristatum Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16434 Modoc 4 mi. E of summit of Cedar Pass. Comment
  UC1100110  Agrostis alba Verne Grant and Irving Schneider 1947-7-21 8131 Modoc by bridge on Highway 395 (n of Alturas); North Fork of Pit River Comment
  JEPS119855  Agrostis exarata Lowell Ahart, John Dittes 2012-7-11 18347 Modoc About 1/2 mile southeast of the Pilot Butte Parking Lot, north edge of Ash Creek floodplain, about 1.5 miles (air) south of Country Road 87, about 7.5 miles (air) west of Adin, about 10.2 miles (air) east of Lookout, Big Valley. Comment
  JEPS68386  Agrostis exarata L. S. Smith 1917-8-6 132 Modoc Benton Mdws. Warner Mts. Comment
  POM229179  Agrostis exarata L. C. Wheeler 1935-8-16 3873 Modoc Warner Mountains: Dismal Swamp, Twenty Mile Creek. 2226 Comment
  UC70677  Agrostis exarata Mrs. M. H. Manning June 1903 412 Modoc ne Modoc County Comment
  UCD32683  Agrostis exarata Beecher Crampton 1954-7-6 2095 Modoc Modoc County, Road 56, following Shields Creek into Warner Mountains, 22 miles east of Alturas. 1676 Comment
  CAS-BOT-BC242418  Agrostis variabilis Bruce Bartholomew; Barrett Anderson 1988-7-23 4587 Modoc Vicinity of Blue Bell Mine between Lily Lake and Dismal Swamp, Warner Mts.. 2170 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
  RSA531344  Aliciella micromeria Bruce Bartholomew, B. Anderson 1989-6-2 4820 Modoc SE corner of Upper Alkali Lake, E side of Surprise Valley. 1400 Comment
  UC524  Alisma plantago-aquatica Milo S. Baker 1893-7-25 Modoc Egg Lake Comment
  JEPS127311  Alisma triviale Lowell Ahart, John Dittes 2016-7-14 21200 Modoc South of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin Big Valley. Comment
  RSA210808  Alisma triviale Robert F. Thorne, James Henrickson, C. W. Tilforth 1969-9-4 39088 Modoc N Fork of Pit River 3.4 mi N of Alturas where crossed by Highway 395. 1341 Comment
  CAS-BOT-BC245006  Allium acuminatum M. M. Hanna 1956-6-4 954 Modoc Alturas-Cedarville Hwy. Comment
  CAS-BOT-BC245016  Allium acuminatum Milo Samuel Baker 1936-6-13 8327 Modoc W entrance to Cedar Pass. Comment
  JEPS78241  Allium acuminatum L. R. Heckard with T. I. Chuang and R. C. Bacigalupi 1978-7-19 4887 Modoc Cedar Pass Warner Mts., Cedar Pass 1920 Comment
  HSC29864  Allium amplectens D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19477 Modoc Upper Rush Creek Campground about 8 mi. N of Adin on Hwy. 299 Comment
  UCD141853  Allium bisceptrum Beecher Crampton 1960-6-17 5693 Modoc McKay Flat, 13 miles west of Canby, 2.5 miles northeast Happy Camp Station. 1280 Comment
  UC71726  Allium bisceptrum var. bisceptrum Mrs. M. H. Manning 1903-4-18 81 Modoc near Fort Bidwell Comment
  CAS-BOT-BC244986  Allium lemmonii Bruce Bartholomew; Barrett Anderson 1989-6-3 4908 Modoc ca. 6 km NW of Egg Lake and ca. 0.8 km E of Service Flat Gulch. 1370 Comment
  CAS-BOT-BC244978  Allium parvum Bruce Bartholomew; M; M. Gilbert; L. E. Skog 1993-5-11 6491 Modoc Near SE corner of Big Sage Reservoir, 5.3 km E of Crowder Flat Road. 1580 Comment
  HSC2972  Allium parvum M. T. Milligan 1964-4-25 Modoc N side of Doris Reservoir Comment
  RSA335886  Allium parvum D. W. McNeal 1979-5-13 2225 Modoc Beside highway 395, 15.8 miles south of the junction of highway 299 in Alturas. Comment
  CAS-BOT-BC244974  Allium platycaule Margaret J. Williams 1984-6-28 84- 69 -1 Modoc End of Soldier Creek. 2072 Comment
  CAS-BOT-BC244975  Allium platycaule Isabelo T. Kelly 1930-1-1 70 Modoc Buck Creek. Comment
  CAS-BOT-BC248331  Allium platycaule B. Bartholomew; H. Sun 2002-6-24 8818 Modoc Just SW of Manzanita Mt. and ca. 15 straight line km NW of Aden 2000 Comment
  POM204114  Allium platycaule J. T. Howell 1934-6-11 11920 Modoc Parker Creek, Warner Mts. 1585 Comment
  RSA367109  Allium platycaule Christopher Davidson 1973-5-26 2112 Modoc Ca. 4 miles west of Canby on highway 299. 1341 Comment
  UC593510  Allium platycaule E. B. Babcock, G. L. Stebbins Jr. 1936-6-9 1823 Modoc about 3 mi w Cedarville; Warner Mountains, Cedar Creek Canyon Comment
  CAS-BOT-BC474063  Allium platycaule Mrs. R. M. Austin; Bruce 1898-7-1 2227 Modoc Hugh Mts, Warner range Comment
  RSA304134  Allium platycaule James R. Shevock 1972-5-20 1807 Modoc West of Alturas, highway 299. 1372 Comment
  SEINET8191571  Allium platycaule M. J. Williams 1983-7-29 83- 116 -4 Modoc Warner Mountains, 1.1 mile N of Stowe Reservoir Campground, N of Cedar Pass. 2088 Comment
  UCD143204  Allium platycaule L. K. Mann 1955-6-5 s.n. Modoc Near Cedar Pass, 3 miles towards Alturas from Modoc National Forest. Comment
  CAS-BOT-BC244950  Allium tolmiei var. tolmiei Bruce Bartholomew; Barrett Anderson 1988-5-14 4210 Modoc SW corner of Big Sage Reservoir. 1500 Comment
  CAS-BOT-BC244951  Allium tolmiei var. tolmiei Bruce Bartholomew 1991-6-21 5819 Modoc N side of Mud Lake, 5.3 km S of Forest Service road 73 on road to Rim Rock Valley. 1570 Comment
  CHSC117821  Allium tolmiei var. tolmiei L. P. Janeway 2016-5-18 12063 Modoc Modoc Plateau. Devils Garden area; Island Meadow, along Road 47N08 2.1 road-km north of Road 73/181/47N09. 1606 Comment
  JEPS61517  Allium validum L. S. Smith 1919-7-24 1131 Modoc Mineral Spring Warner Mts., Mineral Spring Comment
  UC1100228  Alopecurus aequalis Herbert L. Mason 1947-8-13 13520 Modoc n. of Canby (n.e. side of F reservoir) Comment
  UC1136996  Alopecurus aequalis August L. Hormay 1932-7-15 Modoc Pease Cabin Modoc Nat'l Forest, Pease Cabin Comment
  SEINET7594562 Image available Alopecurus aequalis A. Cronquist, A. H. Holmgren 1959-6-19 8492 Modoc Directly along the shore of Clear Lake, Warner Mts., 15 miles E of Likely Twp. 1829 Comment
  CAS-BOT-BC242342  Alopecurus geniculatus Bruce Bartholomew; Barrett Anderson 1990-7-19 5444 Modoc Sweagert Flat. 1860 Comment
  RSA739701  Alopecurus geniculatus John Dittes, Josephine Guardino 1991-7-21 430 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;, Northern edge of Ash Creek Floodplain (Big Swamp) at southeast base of Pilot Butte. 1259 Comment
  SJSU9640  Alopecurus geniculatus W. Savage 1979-7-7 1455 Modoc Triangle, west side of Fairchild Swamp unit, Devils Garden District, Modoc National Forest 1493 Comment
  UC1037157  Alopecurus geniculatus Leo Whitney 1935-7-7 3392 Modoc 4 mi. n.w. Canby (Howard Gulch); Howard Gulch Comment
  UC1142954  Alopecurus geniculatus A. L. Hormay 1941-6-23 36 Modoc Spaulding Reservoir Modoc Nat'l Forest, Spaulding Reservoir Comment
  CAS-BOT-BC242343  Alopecurus geniculatus John H. Hatton 1911-6-12 47 Modoc unspecified - Modoc National Forest 1493 Comment
  CDA18403  Alopecurus pratensis G. D. Barbe, P. Hiatt & M. Keffer 1980-6-4 2803 Modoc Modoc Plateau; Eastside Canal/ Railroad crossing on Westside Road, north of Likely. 1341 Comment
  SEINET10971739  Alopecurus pratensis Billy Joe Cox, David B. Dunn 1971-6-3 Cox 2614 Modoc 4 mi s of davis creek on us hwy 395, in very mesic grassland sedge meadow, Lupines very sparse and approximately a week or more behind the flowering of Those near alturas. 1402 Comment
  CAS-BOT-BC242332  Alopecurus saccatus John H. Hatton 1911-6-20 137 Modoc Modoc National Forest 1524 Comment
  CAS-BOT-BC242333  Alopecurus saccatus John H. Hatton 1911-6-22 137 Modoc unspecified - Modoc National Forest Comment
  UCD55818  Alopecurus saccatus L. D. Whitney 1935-7-12 s.n. Modoc Hackamore Reservoir. Comment
  NY785947  Alyssum desertorum B. M. Bartholomew 1988-5-12 4134 Modoc Along the N side of the Pit River, 0.5 km W of State Highway 299 on Bushey Road. 1310 Comment
  RSA520451  Alyssum minus Bruce Bartholomew, B. Anderson 1989-4-27 4621 Modoc 2.1 km SSE of Day on road to State Highway 299. 1020 Comment
  CHSC106318  Amaranthus albus Lowell Ahart; John Dittes 2010-8-31 17108 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
  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
  CHSC106212  Amaranthus powellii Lowell Ahart; John Dittes 2010-8-31 17107 Modoc On the east side of Elkins Lane, about 100 yards north of the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  CHSC115592  Amaranthus powellii Lowell Ahart; John Dittes 2015-7-16 20382 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
  JEPS117481  Amaranthus powellii Lowell Ahart, John Dittes 2010-8-31 17107 Modoc On the east side of Elkins Lane, about 100 yards north of the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley 1267 Comment
  CAS-BOT-BC214639  Amelanchier utahensis Bruce Bartholomew; Barrett Anderson 1988-6-24 4315 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-BC217093  Amelanchier utahensis Bruce Bartholomew 1989-7-15 4985 Modoc 7 km from State Hwy 299 on road to Manzanita Mountain. 1830 Comment
  CHSC118317  Amelanchier utahensis L. P. Janeway 2016-5-17 12035 Modoc Modoc Plateau. Devils Garden area; along Road 45N06 1.6 road-km northeast of Logan Slough crossing; about 3.4 air-km north of Big Sage Reservoir. 1494 Comment
  JEPS45141  Amelanchier utahensis W. L. Jepson 1918-8-6 7838 Modoc Summit of Fandango Pass; Warner Mts. 1859 Comment
  UC466779  Amelanchier utahensis W. P. Taylor and H. C. Bryant 1910-6-25 Modoc Parker Creek; Warner Mountains 1676 Comment
  CAS-BOT-BC245113  Amphiscirpus nevadensis Herbert Louis Mason 1947-8-15 13543 Modoc Mouth of Crane Creek on Willow Ranch, E side of Goose Lake. Comment
  CAS-BOT-BC54197  Amsinckia menziesii John Thomas Howell 1934-6-13 12085 Modoc Surprise Valley near 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
  CAS-BOT-BC15619  Antennaria argentea John Thomas Howell 1934-6-11 11968 Modoc Parker Creek. 1584 Comment
  JEPS33937  Antennaria argentea Milo S. Baker 1893-7-6 Modoc Comment
  UC71850  Antennaria argentea Mrs. M. H. Manning 1903-9-3 374 Modoc (north-eastern Modoc County) John Henry Hill Comment
  UC168428  Antennaria dimorpha Mrs. R. M. Austin May 1 1894-Jan 1 1900 6 Modoc Goose Lake Valley Goose Lake Valley Comment
  UCD129089  Antennaria dimorpha Geo C. Wood 1940-4-24 s.n. Modoc Spaulding Ranch, 20 miles n.e. of Alturas. 1371 Comment
  CAS-BOT-BC15589  Antennaria luzuloides Ethel S. Willits 1940-5-4 209 Modoc Willow Ranch 1371 Comment
  JEPS5981  Antennaria luzuloides Frances D. Payne 1932-6-10 537 Modoc s and e of Alturas; Warner Mountains, Parker Creek 1584 Comment
  RSA164371  Antennaria luzuloides Clare B. Hardham 1961-6-18 7556 Modoc Cedar Pass. 1829 Comment
  RSA518794  Antennaria luzuloides Barbara Ertter 1988-6-18 7625 Modoc Hwy 139, 50 airmiles SW of Klamath Falls, a few miles N of Agric. Inspection Station, 1 mile S of jct to Lava Beds Nat'l Monument E of Tonesta. 1311 Comment
  UC485489  Antennaria luzuloides Mrs. R. M. Austin May 1894 38 Modoc Goose Lake Valley Comment
  CAS-BOT-BC15562  Antennaria rosea subsp. rosea Bruce Bartholomew; Barrett Anderson 1988-7-21 4462 Modoc Vicinity of Patterson Campground, southern end of the Warner Mts. 2190 Comment
  CAS-BOT-BC368000  Antennaria rosea subsp. rosea Richard R. Halse 2006-8-4 6997 Modoc Modoc Naitonal Forest; south end of the Warner Mountains along Patterson Mill Road by Homestead Flat 2152 Comment
  JEPS117298  Anthemis cotula Lowell Ahart, John Dittes 2010-8-31 17097 Modoc Bottom of a small wash, on the east side of Elkins Lane, about 100 yards north of the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley 1267 Comment
  RSA749198  Apocynum androsaemifolium K. M. Meyer, A. Townesmith 2007-9-16 216 Modoc Modoc National Forest, 19.2 miles W on Forest Service Rd. 31. 1693 Comment
  UC71837  Apocynum androsaemifolium Mrs. M. H. Manning 1903-6 200 Modoc near Ft. Bidwell Ft. Bidwell; n.e. Modoc Co. Comment
  UC748274  Apocynum androsaemifolium Annie M. Alexander and Louise Kellogg 1946-6-28 4867 Modoc n. end Warner Mts., Pine Creek Canyon 1615 Comment
  UCD121284  Apocynum androsaemifolium J. P. Smith; J. O. Sawyer 1973-8-9 7261 Modoc Modoc National Forest, around shore of Blue Lake. 1828 Comment
  RSA84425  Aquilegia formosa F. W. Peirson 1926-6-25 6879 Modoc small side canyon on Cedarville road 1 mile W of summit of Warner Mts. Comment
  UC1125881  Aquilegia formosa R. C. Wilson 1933-7-6 57 Modoc n Roney Flat; Canby quad, Modoc National Forest 1432 Comment
  NY485762  Aquilegia formosa M. S. Baker 1893-6-29 s.n. Modoc Comment
  CAS-BOT-BC218337  Aquilegia formosa var. formosa Roxana Stinchfield Ferris; R. Duthie 1919-6-14 21 Modoc Along Parker Creek, Modoc Nat. Forest Boundary. Comment
  CAS-BOT-BC218347  Aquilegia formosa var. formosa Belknap C. Goldsmith 1912-8-6 85 Modoc W side of Goose Lake. 1463 Comment
  POM299319  Aquilegia formosa var. truncata F. Payne 1901-6-21 217 Modoc Warner Mts, Ridge SW Kerry Creek. 1982 Comment
  RSA0001878  Arabis bruceae Mrs. R. M. Austin, Bruce 1898-06 s.n. Modoc Hills near Davis Creek. Comment
  NY112675  Arabis holboellii var. retrofracta R. C. Rollins 1981-6-1 81197 Modoc Warner Mtns., 4.5 miles E of U.S. Hwy. 395 on road to Lake City Comment
  CAS-BOT-BC58566  Arabis platysperma var. platysperma Elmer Ivan Applegate 1932-8-3 8117 Modoc High western slope of Warner Mts. N of Eagle Peak. Comment
  UC118066  Arabis pycnocarpa var. pycnocarpa Mrs. R. M. Austin Jun 1894 Modoc Willow Creek Valley Comment
Read comments
Nov 11 2011
  POM95905  Arabis sparsiflora var. arcuata C. C. Bruce 1898-06 2247 Modoc Hills near Goose Lake. Comment
  HSC6567  Arabis sparsiflora var. subvillosa M. T. Milligan 1966-6-19 471 Modoc Plateau W of Jess Valley 1829 Comment
  NY119625  Arabis subpinnatifida B. M. Bartholomew 1988-5-13 4177 Modoc Juniper Flats, 10 km E of Likely on road to Jess Valley, W side of the Warner Mtns. 1450 Comment
  CAS-BOT-BC95659  Arctostaphylos patula G. D. Hanna; M. M. Hanna 1956-6-6 Modoc Glass Mountain Comment
  JEPS51333  Arenaria aculeata W. L. Jepson 1918-8-7 7886 Modoc Mt. Bidwell 2438 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
  UC465483  Arenaria congesta var. subcongesta M. F. Gilman 579 Modoc Modoc Co. Canyons Comment
  JEPS35884  Arnica Leland S. Smith c. 1918 1076 Modoc Modoc National Forest Comment
  UC1776706  Arnica chamissonis G. Schoolcraft 1996-7-22 2539 Modoc Meadow east of Yankee Jim Ranch (SE of Alturas) Comment
Read comments
Feb 27 2007
  CAS-BOT-BC15570  Arnica chamissonis subsp. foliosa Bruce Bartholomew; Barrett Anderson 1990-7-21 5581 Modoc Homestead Flat, ca. 2.5 km E of Patterson Ranger Station, E side of Warner Mts. 2160 Comment
  CAS-BOT-BC15571  Arnica chamissonis subsp. foliosa Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10570 Modoc East Creek ca. 1 mi. E of Patterson Ranger Station. Comment
  CAS-BOT-BC15575  Arnica chamissonis subsp. foliosa Bruce Bartholomew 1991-7-6 5977 Modoc Curtis Waterhole and adjacent lava outcrops. 1310 Comment
  CAS-BOT-BC15410  Arnica cordifolia Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-13 16457 Modoc Near summit of Fandango Pass. Comment
  CAS-BOT-BC15411  Arnica cordifolia Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16442 Modoc Summit of Cedar Pass. 1920 Comment
  CAS-BOT-BC15413  Arnica cordifolia Bruce Bartholomew 1990-6-15 5232 Modoc Flat between Deer Spring Ridge and Sweagert Flat. 1900 Comment
  JEPS35917  Arnica cordifolia Frances D. Payne 1929-7-26 113 Modoc 2 mi sw Warren Peak; Warner Mts., Pine Creek Basin, Warren Peak 2133 Comment
  RSA504670  Arnica cordifolia K. Paulson, R. Paulson 1988-6-11 25 Modoc Parker Creek Road, W side of the Warner Mountains 1524 Comment
  UC1437361  Arnica cordifolia Clare B. Hardham 1961-6-18 7587 Modoc Cedar Pass; Warner Mountains 1828 Comment
  UC892069  Arnica cordifolia C. L. Hitchcock 1940-5-27 6702 Modoc 15 mi ne, on grassy hillside in canyon Alturas 1676 Comment
  CAS-BOT-BC15414  Arnica cordifolia Roxana Stinchfield Ferris; R. Duthie 1919-6-14 74 Modoc Warner Mts. Comment
  RSA504611  Arnica discoidea Bruce Bartholomew, B. Anderson 1988-7-21 4415 Modoc Whitehorse Mountains, 11 km N of Day on the road to Whitehorse Flat Reservoir. 1340 Comment
  JEPS6004  Arnica fulgens Frances D. Payne 1932-6-26 606 Modoc s and e of, high ridges n of Parker Creek Alturas; Parker Creek, Warner Mountains 1828 Comment
  UC726188  Arnica fulgens A. A. Heller 1941-6-26 16266 Modoc Adin Pass 1577 Comment
  UC936275  Arnica longifolia Annie M. Alexander and Louise Kellogg 1946-8-3 5100 Modoc head of Eagle Creek Warner Mountains, Eagle Creek Comment
  RSA298141  Arnica mollis J. O. Sawyer, James Payne Smith 1973-8-8 7217 Modoc At or near the summit of Eagle Peak 2988 Comment
  RSA520502  Arnica mollis Bruce Bartholomew 1989-8-11 5063 Modoc Along Lassen Creek near SE side of Harris Flat, Warner Mts. 1920 Comment
  UC29591  Arnica mollis Mrs. R. M. Austin and Bruce 1898-7-1 2183 Modoc head of Davis Creek Comment
  SEINET6775095 Image available Arnica mollis L. Kellogg, A. M. Alexander 1946-7-23 5055 Modoc Emerson Peak, Warner Mountains Comment
  CAS-BOT-BC15297  Arnica sororia Annie Montague Alexander; L. Kellogg 1946-6-14 4748 Modoc 0.25 mi. on branch of Silver Creek, Patterson Mill Road. 1828 Comment
  SEINET3096626 Image available Arnica sororia Alice Eastwood, John Thomas Howell 1940-6-12 8088 Modoc Jess Valley Comment
  SEINET3096630 Image available Arnica sororia Alice Eastwood, John Thomas Howell 1940-6-12 8088 Modoc Jess Valley Comment
  CAS-BOT-BC242408  Arrhenatherum elatius Leland S. Smith 1919-6-2 1112 Modoc Deep Creek Ranger Station. 1493 Comment
  CHSC67332  Artemisia arbuscula James D. Jokerst 1986-9-18 2769 Modoc Radar Site Survey S of Doublehead Mtn. Ca. 1.5 mi S of Doublehead Mtn. 1386 Comment
  CHSC67334  Artemisia cana subsp. bolanderi J. D. Jokerst 1986-8-11 2759 Modoc Radar Site Survey S of Doublehead Mtn., S of road to Doublehead Mtn. Comment
  CHSC96339  Artemisia cana subsp. bolanderi Richard R. Halse 2006-8-4 6995 Modoc Modoc National Forest, Patterson Station Campground, ca. 15 air miles east of Likely, south end of the Warner Mountains. 2109 Comment
  UC217088  Artemisia douglasiana H. M. Hall 1921-9-10 11670 Modoc Alturas Comment
  UCR57490  Artemisia ludoviciana R. D. Goeden, Don W. Ricker 1989-8-23 890823- 23 Modoc Warner Mtns., Modoc National Forest, Fandango Pass Road, in vicinity of Warner Mtn. 1607 Comment
  SEINET7153139 Image available Artemisia ludoviciana subsp. candicans G. Schoolcraft 1999-7-13 2865 Modoc 3 miles n. of Eagleville, CA Comment
  UCD129331  Artemisia ludoviciana subsp. incompta K. L. Chambers; Ron Tyrl 1965-9-22 2432 Modoc Cedar Pass, Warner Mountains. Northern portion of the state. 1920 Comment
  UCR143213  Artemisia ludoviciana subsp. ludoviciana L. C. Wheeler 1935-8-14 3849 Modoc Warner Mtns., Lily Lake, Pine Creek 2073 Comment
  RSA606128  Artemisia ludoviciana subsp. ludoviciana L. C. Wheeler 1935-8-7 3803 Modoc Pine Creek, Warner Mtns. 1555 Comment
  CAS-BOT-BC15202  Artemisia spinescens E. S. Willits 1940-6-9 341 Modoc Cedarville. 1371 Comment
  UCR64882  Artemisia tridentata George K. Helmkamp 1990-9-23 H- 4 Modoc US Hwy 395, 13 mi north of Likely 1345 Comment
  HSC81037  Artemisia tridentata subsp. tridentata G. M. Riegel 1979-7-12 529 Modoc S Warner Mtns. 1739 Comment
  SEINET3397747  Artemisia tridentata subsp. tridentata Unknown 1994-1 s.n. Modoc Newell Comment
  CAS-BOT-BC15663  Asclepias speciosa Bruce Bartholomew 1994-10-9 6888 Modoc 0.5 km N of Lassen County on road to Eagleville, S end of Surprise Valley. 1380 Comment
  CAS-BOT-BC15664  Asclepias speciosa Bruce Bartholomew 1994-7-4 6847 Modoc Hubert Creek. 1390 Comment
  CDA7120  Asperugo procumbens T. Briles 1932-6-3 Modoc Alturas. 0 Comment
  UCD119132  Asperugo procumbens Herbert L. Mason; Verne Grant 1947-7-12 13416 Modoc Near south end of west side road, Pit River Valley, south of Alturas. Comment
  RSA210851  Aster ascendens R. F. Thorne, J. Henrickson, C. W. Tilforth 1969-9-4 39125 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
  CHSC106317  Aster frondosus Lowell Ahart; John Dittes 2010-8-31 17123 Modoc Edge of 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
  POM312494  Aster occidentalis H. L. Mason 1947-8-9 13480 Modoc East side of Fairchild Swamp, north of Alturas Comment
  JEPS86084  Astragalus Wayne Roderick 1966-7-23 Modoc Warner Mountains 2133 Comment
  CAS-BOT-BC218210  Astragalus canadensis var. brevidens C. C. (Mrs.) Bruce 1897-8-1 2213 Modoc Lake shore. Comment
  CDA26646  Astragalus curvicarpus T. C. Fuller 1965-6-2 13592 Modoc West side of Canby-Tulelake Highway, ca. 1 mile north of the Tulelake Quarantine Station. 0 Comment
  CAS-BOT-BC177859  Astragalus curvicarpus var. curvicarpus Alice Eastwood; John Thomas Howell 1940-6-11 8024 Modoc 8 miles from Canby on road to Alturas Comment
  CAS-BOT-BC218211  Astragalus curvicarpus var. curvicarpus James D. Jokerst 1983-7-27 1913 Modoc Near Signal Butte. 1340 Comment
  CAS-BOT-BC218224  Astragalus curvicarpus var. curvicarpus John Thomas Howell 1934-7-1 12333 A Modoc Duncan Horse Camp. 1355 Comment
  CHSC70727  Astragalus curvicarpus var. curvicarpus A. Sanger 1997-6-2 2478 Modoc Casuse Mtn., adjacent to road running along eastern edge. 1267 Comment
  SJSU9635  Astragalus curvicarpus var. curvicarpus W. Savage 1979-7-7 1456 Modoc Triangle, Fairchild Swamp Unit, Devils Garden District, Modoc National Forest 1508 Comment
  NY803541  Astragalus curvicarpus var. curvicarpus L. S. Rose 1940-6-11 40513 Modoc Canby 1326 Comment
  UC862747  Astragalus curvicarpus var. curvicarpus Lewis S. Rose 1940-6-11 40513 Modoc Canby 1325 Comment
  NY658498  Astragalus filipes C. L. Hitchcock 1940-5-27 6650 Modoc 9 miles Northeast of Alturas 1402.1 Comment
  SBBG22154  Astragalus filipes C. B. Hardham 1961-6-19 7838 Modoc Davis Crk 1676 Comment
  SBBG3186  Astragalus filipes H. and M. Dearing 1939-6-7 3581 Modoc near Alturas Comment
  UC1563713  Astragalus filipes Barbara Ertter 1988-6-18 7619 Modoc 1 mi s of s jct to Lava Beds Nat'l Monument (e of Tonesta, Hwy 139 ca 50 airmi sw of Klamath Falls, a few mi n of Agric. Inspection Station); s of s jct to Lava Beds Nat'l Monument, e of Tonesta 1310 Comment
  CDA20479  Astragalus lemmonii V. Popescu 2004-5-27 s.n. Modoc Modoc Plateau; Ash Creek State Wildlife Refuge near Adin. 0 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
  UCD105092  Astragalus malacus B. L. Kay 1960-6-1 s.n. Modoc 2.5 miles northeast of Likely. 1371 Comment
  CAS-BOT-BC182033  Astragalus purshii E. S. Willits 1940-4-27 197 Modoc Near quarantine station, Alturas. Comment
  CAS-BOT-BC182043  Astragalus purshii E. H. Steffen 1917-5-26 14 Modoc West Valley Camp. 1554 Comment
  RSA415669  Astragalus purshii var. tinctus Christopher Davidson 1975-6-4 2608 Modoc 1/4 mi. W of Cedarville on Hwy 299. 1463 Comment
  JEPS54809  Astragalus purshii var. tinctus Leland S. Smith 1917-1 773 Modoc West Valley , West Valley (Warner Mts.) 1554 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
  RSA160020  Astragalus whitneyi var. confusus Clare B. Hardham 1961-6-18 7559 Modoc Cedar Pass. 1829 Comment
  SEINET3402230  Astragalus whitneyi var. confusus E. K. Balls 1950-5-10 15964 Modoc 0.5 mi past fork of Hwy 395 and rd from Alturas to Cedarville. 1585 Comment
  NY696558  Astragalus whitneyi var. confusus R. C. Barneby 1982-5-25 17842 Modoc In west foothills of Warner Mountains, 9 miles northeast of Alturas 1550 Comment
  RSA322459  Astragalus whitneyi var. confusus John M. Gillett, A. G. Moulds, George W. Gillett 1964-6-8 12634 Modoc 2 miles south of Likely. Comment
  CAS-BOT-BC181994  Astragalus whitneyi var. lenophyllus Roxana Stinchfield Ferris; R. Duthie 1919-6-13 61 Modoc Above Parker Creek, near Modoc Nat. Forest Boundary. Comment
  CAS-BOT-BC182002  Astragalus whitneyi var. lenophyllus Bruce Bartholomew; Barrett Anderson 1988-5-13 4171 Modoc Ca. 1 km SE of Parker Creek Road on West Warner Road, W side of the Warner Mts.. 1710 Comment
  CAS-BOT-BC182003  Astragalus whitneyi var. lenophyllus Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-16 16525 Modoc 6.4 mi. W of Canby. Comment
  CAS-BOT-BC182012  Astragalus whitneyi var. lenophyllus C. L. Hitchcock 1940-5-27 6693 Modoc 15 mi. NE of Alturas. 1615 Comment
  CAS-BOT-BC182013  Astragalus whitneyi var. lenophyllus Alice Eastwood; John Thomas Howell 1940-6-11 8011 Modoc 6 mi. 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-BC30205  Athyrium filix-femina subsp. cyclosorum Milo Samuel Baker; Franklin P. Nutting 1894-9-5 s.n. Modoc Near Forestdale. Comment
  RSA59645  Athysanus pusillus E. K. Balls 1950-5-12 12648 Modoc Hillsides N of Bucks Creek Ranger Station; Modoc National Forest; east of Goose Lake. Comment
  UC10230  Athysanus pusillus Mrs. R. M. Austin june, 1894 Modoc Comment
  UC1494952  Athysanus pusillus Reed C. Rollins and Kathryn W. Rollins 1981-6-1 81189 Modoc Cedar Summit between Alturas and Cedarville (off Cal. Hwy. 299); Cedar Summit 1889 Comment
  CAS-BOT-BC95504  Atriplex argentea var. argentea Alice Eastwood; John Thomas Howell 1940-6-12 8100 Modoc Midway between Likely and Alturas. Comment
  JEPS19751  Atriplex gardneri var. falcata Rimo Bacigalupi with S. Galen Smith 1957-6-28 5985 Modoc along roadside of U.S. Highway 299 4.2 mi w Alturas; w of Alturas 1371 Comment
  UCD97637  Atriplex prostrata Herbert L. Mason 1947-8-9 13477 Modoc on east side of Fairchild Swamp, north of Alturas. Comment
  CHSC112823  Atriplex rosea Lowell Ahart; John Dittes 2013-7-25 18956 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
  UCR150952  Atriplex rosea Mary DeDecker 1974-9-30 3710 Modoc Modoc Plateau, just south of Alturas, along Highway 395 1280 Comment
Read comments
Aug 29 2007
  POM312955  Azolla filiculoides Herbert L. Mason 1947-8-12 13503 Modoc Junction of North and South forks of Pit River, Alturas. Comment
  CAS-BOT-BC218201  Balsamorhiza hookeri Lindsay Stuart Smith; E. H. Steffen 1917-5-27 17 Modoc West Valley camp and Jess Valley. 1554 Comment
  CHSC117881  Balsamorhiza hookeri L. P. Janeway 2016-5-16 11992 Modoc Modoc Plateau. Devils Garden area; along Road 47N07 1.8 road-km south of Road 181/73/47N09. 1573 Comment
  UC932077  Balsamorhiza hookeri Verne Grant and Alva Grant 1947-6-5 7973 Modoc near Alturas Comment
  CAS-BOT-BC218200  Balsamorhiza hookeri John H. Hatton 1911-6-9 1 Modoc Modoc County - Modoc National Forest 1356 Comment
  RSA488039  Balsamorhiza hookeri var. lagocephala Bruce Bartholomew, B. Anderson 1988-5-12 4130 Modoc 13 km NNE of Adin on State Highway 229 at turnoff to Higgins Flat on USFS road 41N11. 1440 Comment
  CAS-BOT-BC15179  Balsamorhiza hookeri var. lanata Lindsay Stuart Smith; E. H. Steffen 1917-5-27 17 Modoc West Valley camp and Jess Valley. 1554 Comment
  CAS-BOT-BC15180  Balsamorhiza hookeri var. lanata R. M. Austin; C. C. (Mrs.) Bruce 1898-7-1 2179 Modoc unspecified Comment
  CAS-BOT-BC15181  Balsamorhiza hookeri var. lanata Bruce Bartholomew; Barrett Anderson 1988-5-12 4130 Modoc Ca. 13 km NNE of Adin on State Highway 229 at turnoff to Higgins Flat on USFS road 41N11. 1440 Comment
  CAS-BOT-BC15185  Balsamorhiza hookeri var. lanata Margaret J. Williams; Thad Holcomb; Betty Holcomb; L. Saxton 1988-5-28 Modoc Hwy 395, intersection with Davis Creek Road. Comment
  CAS-BOT-BC499171  Balsamorhiza serrata B. Bartholomew 1991-5-24 5726 Modoc 1.3 km NE of road between Fort Bidwell and Fee Reservoir on road to Big Mud Lake 1580 Comment
  JEPS118474  Barbarea orthoceras Lowell Ahart, John Dittes 2011-6-21 17518 Modoc About 130 yards west of the fence, south edge of the meadow, Ash Creek State Wildlife Area, about 2,300 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley 1267 Comment
  RSA482813  Barbarea orthoceras Christopher Davidson 1973-5-24 2104 Modoc South of Alturas on County Road 63 off Highway 395, near Likely. 1311 Comment
  SEINET249751  Beckmannia syzigachne John H. Hatton 1911-6-23 2798 Modoc Modoc National Forest; Modoc National Forest 1676 Comment
  UCD32724  Beckmannia syzigachne Beecher Crampton 1954-7-7 2162 Modoc Modoc County, 2.5 miles east of Alturas, near radio station KCNO. Comment
  UCD56801  Beckmannia syzigachne Beecher Crampton 1954-7-7 2162 Modoc 2.5 miles east of Alturas. Near Radio Station KCNO. Comment
  UC71677  Berberis aquifolium var. repens Mrs. M. H. Manning 1903-5 134 Modoc Mt. Bidwell Comment
  UC1583943  Berula erecta G. Schoolcraft 1990-7-11 2105 Modoc about 2 mi w of West Valley Reservoir 1493 Comment
  JEPS16042  Berula erecta Frank W. Peirson 1926-6-26 6903 Modoc Road from Alturas to Canby Comment
  NY526320  Betula occidentalis B. M. Bartholomew 1988-6-24 4350 Modoc South Barber Creek, 6.3 km southwest of County Road 1 on County Road 42, east side of the Warner Mountains. Snake Lake 7 1/2' Quad. 1790 Comment
  NY526328  Betula occidentalis J. T. Howell 1934-6-13 12095 Modoc Patterson Mill Road, Warner Mountains 1676.4 Comment
  UC748347  Betula occidentalis Annie M. Alexander and Louise Kellogg 1946-6-14 4746 Modoc edge Barber Creek; Patterson Mill Road 1798 Comment
  CDA39612  Betula occidentalis T. C. Fuller 1971-7-14 19907 Modoc South Barber Creek at crossing with Barber Grade. 0 Comment
  UCR57550  Bidens cernua R. D. Goeden 1989-8-23 28 Modoc Modoc National Forest, Clear Lake Road at Fletcher Creek. 1479 Comment
  RSA608435  Bidens cernua L. C. Wheeler 1935-9-5 3956 Modoc Tuttle Place, west side Goose Lake 1463 Comment
  CAS-BOT-BC15147  Bidens cernua var. cernua Herbert Louis Mason; Verne Grant 1947-7-12 13431 Modoc South loop of west side road, north of Likely Comment
  CHSC117820  Bistorta bistortoides L. P. Janeway 2016-5-18 12065 Modoc Modoc Plateau. Devils Garden area; Island Meadow, along Road 47N08 2.1 road-km north of Road 73/181/47N09. 1606 Comment
  CAS-BOT-BC15082  Blepharipappus scaber David Daniels Keck; Jens Chr. Clausen 1935-6-24 3711 Modoc 3 mi. NE of Willow Ranch E of Goose Lake. 1550 Comment
  CAS-BOT-BC15087  Blepharipappus scaber F. Angwin 1946-5-3 s.n. Modoc Big Valley, 2 mi NW of Adin. 1280 Comment
  CAS-BOT-BC15112  Blepharipappus scaber Bruce Bartholomew 1990-6-18 5367 Modoc SW side of Goose Lake, 2 km N of McGinty Point. 1420 Comment
  CAS-BOT-BC15117  Blepharipappus scaber Bruce Bartholomew 1993-6-14 6652 Modoc 2 km E of County Road 114 on County Road 108, NW of Clear Lake Reservoir. 1320 Comment
  UCR57489  Blepharipappus scaber R. D. Goeden, Don W. Ricker 1989-8-23 890823- 22 Modoc Warner Mtns., Modoc National Forest, Fandango Pass Rd, near Warner Mtn, west of Pass 1616 Comment
  CAS-BOT-BC15076  Blepharipappus scaber Milo Samuel Baker 1936-6-16 8353 Modoc Hwy 395 between Alturas and Likely. Comment
  HSC42414  Blepharipappus scaber Barbara Kelly 1977-8-9 579 Modoc Upper Rush Creek Campground N of Adin; above cow trail Comment
  SEINET3146118  Blepharipappus scaber L. S. Rose 1940-6-14 40566 Modoc Kelly Hot Springs 1341 Comment
  UC894093  Blepharipappus scaber Lewis S. Rose 1940-6-14 40566 Modoc Kelly Hot Springs 1341 Comment
  RSA0049640  Boechera pauciflora Dean Wm. Taylor 2012-6-19 21248 Modoc Mouth of Baggett Gulch (ca 3 air miles S of Canby), Modoc National Forest 1463 Comment
  CHSC117032  Boechera pinetorum Lowell Ahart; John Dittes 2016-6-6 20947 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
  CAS-BOT-BC14524  Boechera puberula B. Bartholomew 1993-6-14 6662 Modoc 8.7 km east of County Road 114 on County Road 108, northwest of Clear Lake Reservoir. 1450 Comment
  CAS-BOT-BC58645  Boechera puberula Mrs. H. C. Cantelow 1941-5-23 3627 p.p. Modoc U.S. Hwy 299 just N of Adin Pass Summit. 1576 Comment
  CAS-BOT-BC14523  Boechera puberula B. Bartholomew 1991-6-23 5878 Modoc 2.6 km northeast of Crowder Flat Road on road between Ingall Swamp and Dorris Brothers Reservoir. 1520 Comment
  SJSU9699  Boechera puberula W. Savage 1979-7-10 1535 Modoc Oregon Rim Unit, Devils Garden District, Modoc National Forest 1645 Comment
  CAS-BOT-BC25528  Boechera retrofracta Annie M. Alexander; Louise Kellogg 1946-6-27 4848 Modoc North end of Warner Mountains. Highgrade (top of ridge, two miles by road from Dismal Swamp.) 2377 Comment
  CAS-BOT-BC25532  Boechera retrofracta John Thomas Howell 1934-6-30 12267 Modoc Duncan Horse Camp. Comment
  CAS-BOT-BC25699  Boechera sparsiflora B. Bartholomew 1994-5-29 6729 Modoc Viciinity of the junction of Forest Service road 10 and the Burlington Northern Railway. 1260 Comment
  CAS-BOT-BC410949  Boechera sparsiflora B. Bartholomew 2002-6-2 8759 Modoc E side of the Warner Mountains, ca. 2.7 direct km WNW of Lake City along Mill Creek on Forest Service Road 44N34 (Lake City Canyon Rd.) between Lake City and Benton Meadow 1600 Comment
  CAS-BOT-BC58568  Boechera sparsiflora Mrs. H. C. Cantelow 1940-6-2 3749 Modoc 1.7 mi W of Alturas on rd. to Lava Beds. Comment
  CAS-BOT-BC95740  Boechera sparsiflora Elmer Ivan Applegate 1932-8-1 8003 Modoc Mill Creek Meadows region, Warner Mts. Comment
  CAS-BOT-BC95741  Boechera sparsiflora Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-13 6549 Modoc 8 km E of Likely along S Fork of Pit River. 1380 Comment
  CHSC118074  Boechera sparsiflora L. P. Janeway 2016-5-16 12001 Modoc Modoc Plateau. Devils Garden area; along Road 46N05A (Apple-gate Trail Southern Route) 0.3 km west of Road 46N02; 2.4 air-km east-southeast of Green Tank Reservoir and Green Spring Reservoir. 1569 Comment
  UC1573167  Boechera sparsiflora Dean W. Taylor 1989-8-5 10453 Modoc cirque headwall above South Emerson Lake (Emerson Creek drainage); Warner Mountains, , Emerson Creek 2560 Comment
  UC1094382  Brodiaea coronaria subsp. coronaria R. C. Bacigalupi with S. Galen Smith 1957-6-27 5980 Modoc ca 9 mi nw Canby (along State Hwy 139) Comment
  HSC3020  Brodiaea elegans subsp. elegans M. T. Milligan 1964-7-1 107 Modoc Ballard's Reservoir Rd. 1 mi. S of Modoc County Rd. 54 1372 Comment
  CAS-BOT-BC242448  Bromus briziformis John H. Hatton 1911-6-25 164 Modoc unspecified 1432 Comment
  SEINET3921589  Bromus briziformis Margaret J. Williams, Arnold Tiehm; Jan Nachlinger 1988-6-2 88- 28 -1 Modoc Jess Valley, E of Likely, S of roadside rest.; 0 Comment
  CAS-BOT-BC242434  Bromus carinatus var. carinatus Leland S. Smith 1917-7-17 84 Modoc Deep Creek. 2042 Comment
  CAS-BOT-BC242435  Bromus carinatus var. carinatus John H. Hatton 1911-6-10 27 Modoc unspecified Comment
  CAS-BOT-BC242438  Bromus carinatus var. carinatus Bruce Bartholomew 1990-6-17 5311 Modoc Vicinity of Emerson Camp near roadhead, E side of Warner Mts. 1750 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-BC242445  Bromus carinatus var. carinatus Bruce Bartholomew; Barrett Anderson 1990-7-20 5546 Modoc N edge of Howard Flat, W side of Warner Mts. 2000 Comment
  UC1037160  Bromus carinatus var. carinatus Leo Whitney 1935-7-11 3453 Modoc 15 mi nw of Canby (Modoc National Forest, Hackamore); Modoc National Forest, Hackamore 1463 Comment
  UC1137106  Bromus carinatus var. carinatus August L. Hormay 1932-7-15 Modoc Crowder Flat Ranger Station Comment
  CAS-BOT-BC149159  Bromus carinatus var. marginatus L. S. Smith 1922-6-1 1422 Modoc Modoc Forest. Lava Trail west of Lava R.S. Comment
  UCD58615  Bromus hordeaceus A. A. Beetle; G. L. Stebbins Jr. 1942-5-30 3618 Modoc Near Canby. Comment
  CAS-BOT-BC242467  Bromus inermis M. A. Berry 1957-6-30 s.n. Modoc Warner Mts. 1524 Comment
  CDA13463  Bromus inermis subsp. inermis G. F. Hrusa, T. D. Wilfred 1996-7-21 13310 Modoc Modoc Plateau; Large colony at edge of riparian willow scrub along Pit River at Modoc Co. Rd. 90 bridge. E base of Splawn Mtn. N end of Big Valley. Perennial 1.5-2 m tall. Comment
  JEPS119962  Bromus japonicus Lowell Ahart, John Dittes 2012-7-10 18313 Modoc Ash Creek State Wildlife Area, about 3.2 miles (air) west of Adin, about 8.4 miles (air) northeast of Bieber, Big Valley. Comment
  JEPS69175  Bromus japonicus Leland S. Smith 1918-1 871 1/2 Modoc Comment
  SJSU9568  Bromus japonicus Wayne Savage 1979-7-3 1310 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  UC1024676  Bromus madritensis subsp. rubens Leo Whitney 1934-5-24 2172 Modoc 15 mi nw of Canby (Modoc National Forest, Hackamore); Modoc National Forest, Hackamore 1463 Comment
  CAS-BOT-BC242455  Bromus tectorum Bruce Bartholomew; Barrett Anderson 1989-6-2 4775 Modoc Buck Creek, 1 cm NE of Fandango Pass Road, W side of the Warner Mountains. 1660 Comment
  CAS-BOT-BC242458  Bromus tectorum Bruce Bartholomew; Barrett Anderson 1990-7-19 5428 Modoc Top of Hunters Ridge S of Rush Creek. 1960 Comment
  UC1024899  Bromus tectorum Leo Whitney 1935-5-19 3107 Modoc 15 mi nw of Canby (Modoc National Forest, Hackamore); Modoc National Forest, Hackamore 1463 Comment
  UC1024900  Bromus tectorum Leo Whitney 1935-5-21 3115 Modoc 15 mi nw of Canby (Modoc National Forest, Hackamore); Modoc National Forest, Hackamore 1463 Comment
  UCD60047  Bromus tectorum Beecher Crampton; Carl Rimbey 1954-7-6 2111 Modoc 20 miles E of Alturas. Warner Mountains. Above Shields Creek. Comment
  JEPS127356  Callitriche fassettii Lowell Ahart, John Dittes 2016-6-6 20968 Modoc About one mile south of the intersection of County Road 87 and Access Road to Pilot Butte Parking Area, 3.8 miles (air) east of Lookout, 7.5 miles (air) west of Adin, Ash Creek State Wildlife Area. Comment
  POM312334  Callitriche hermaphroditica H. L. Mason, Verne Grant 1947-7-12 13403 Modoc Irrigation ditch by Jones' Lane, off Hwy 395, several miles S of Alturas. Comment
  UC1101526  Callitriche hermaphroditica Verne Grant and Irving Schneider 1947-7-18 8055 Modoc 1.4 mi n Bayley's Bridge (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
  CHSC117055  Callitriche palustris Lowell Ahart; John Dittes 2016-6-6 20967 Modoc About 100 yards east of the Parking Area, about one mile south of the intersection of County Road 87 and Access Road to Pilot Butte Parking Area, 3.8 miles (air) east of Lookout, 7.5 miles (air) west of Adin, Ash Creek State Wildlife Area. 1271 Comment
  RSA210846  Callitriche verna R. F. Thorne, C. W. Tilforth 1969-9-4 39060 Modoc 2 mi W of Davis Creek (town), S. of Goose Lake 1433 Comment
  UCD132874  Calocedrus decurrens Richard R. Halse 2006-8-4 6999 Modoc along Highgrade Road ca. 4.4 miles north of Fort Bidwell, north end of the Warner Mountains, east slope. 1765 Comment
  UC1036071  Calochortus leichtlinii Annie M. Alexander and Louise Kellogg 1946-7-22 5037 Modoc w of Warner Mts. divide (Patterson Mill Road); Warner Mts. Comment
  CAS-BOT-BC242138  Calochortus macrocarpus K. Paulson; Robert Paulson 1988-7-13 79 Modoc Jess Valley Rd., 3 mi. E of Likely. 1371 Comment
  CAS-BOT-BC242148  Calochortus macrocarpus C. C. (Mrs.) Bruce 1898-8-1 s.n. Modoc Goose Lake valley. Comment
  JEPS127301  Calochortus macrocarpus Lowell Ahart, John Dittes 2016-7-14 21151 Modoc South of Ash Creek, Ash Creek State Wildlife Area, 0.79 miles (air) south of County Road 87, 1.73 miles (air) west of Adin Big Valley. Comment
  RSA503043  Calochortus macrocarpus K. Paulson, R. Paulson 1988-7-13 79 Modoc Jess Valley Road, 3 miles east of Likely 1372 Comment
  SJSU10008  Calochortus macrocarpus H. L. Buckalew 1961-6-28 Modoc opposite Upper Lake in Surprise Valley NE of Fort Bidwell 1402 Comment
  UC725405  Calochortus macrocarpus A. A. Heller 1940-6-29 15747 Modoc about 5 mi w Alturas (on U.S. Highway 299) 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
  SBBG128894  Calycadenia fremontii L. Ahart, J. Dittes 2008-8-25 15294 Modoc W side of Pit River, ca. 1/8 mi E of County Rd 91, ca. 3.8 mi (air) NNE of Lookout 1273 Comment
  CAS-BOT-BC197450  Calyptridium umbellatum M. M. Hanna 1956-6-3 s.n. Modoc Highway 299. Comment
  CHSC19692  Calyptridium umbellatum J. Grove 1973-5-20 94 Modoc On Hendrix Ranch, Day Ca. On black lava flow. 1005 Comment
  RSA488030  Camassia quamash subsp. breviflora Bruce Bartholomew, B. Anderson 1988-5-12 4015 Modoc S side of Egg Lake. 1300 Comment
  UC1004347  Camassia quamash subsp. breviflora Leo Whitney 1934-5-13 Modoc Weed Valley, northern Modoc County Weed Valley 1524 Comment
  UC71741  Camassia quamash subsp. breviflora Mrs. M. H. Manning 1903-5 145 Modoc Fort Bidwell, in north eastern Modoc County Fort Bidwell Comment
  CAS-BOT-BC191122  Camissonia andina Alice Eastwood; John Thomas Howell 1940-6-15 8291 Modoc 9 mi. N of Lookout. Comment
  UC1368464  Camissonia contorta R. K. Gierisch 1969-7-15 3543 Modoc Modoc <National> Forest Comment
  NY852051  Camissonia subacaulis L. C. Wheeler 1935-8-1 3731 Modoc Dismal Swamp, Twenty Mile Creek, Warner Mountains 2225 Comment
  NY852072  Camissonia tanacetifolia B. Anderson 1986-7-9 3147 Modoc Crowder Flat Road, 3.2 km off Hwy 299 1510 Comment
  CAS-BOT-BC160855  Camissonia tanacetifolia subsp. tanacetifolia Lillian Mott 1976-5-29 2 LM76 Modoc Big Sage Reservoir road, Devil's Garden, north of Alturas 1402 Comment
  CAS-BOT-BC191088  Camissonia tanacetifolia subsp. tanacetifolia Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-13 6541 Modoc Just W of Mud Lake on road to West Valley Reservoir. 1460 Comment
  CAS-BOT-BC191090  Camissonia tanacetifolia subsp. tanacetifolia Elmer Ivan Applegate 1929-6-25 5898 Modoc Cottonwood Creek, E side of Goose Lake. Comment
  CAS-BOT-BC191091  Camissonia tanacetifolia subsp. tanacetifolia Herbert Louis Mason 1947-8-13 13523 Modoc N side of F Reservoir, N of Canby. Comment
  RSA453342  Camissonia tanacetifolia subsp. tanacetifolia George Willet 1935-6-13 s.n. Modoc 4 miles east of Likely 1524 Comment
  CAS-BOT-BC160854  Camissonia tanacetifolia subsp. tanacetifolia L. S. Smith 1918-5-16 926 Modoc Modoc National Forest. Centerville Road west of Alturas 1524 Comment
  CAS-BOT-BC191085  Camissonia tanacetifolia subsp. tanacetifolia Leland S. Smith 1918-5-16 926 Modoc Centerville Road W of Alturas. Comment
  RSA181791  Camissonia tanacetifolia subsp. tanacetifolia H. N. Metcalf, Jack C. Wilson 1965-7-1 65 -20 Modoc Davis Creek. Comment
  CAS-BOT-BC58464  Capsella bursa-pastoris Bruce Bartholomew; Barrett Anderson 1988-5-12 4110 Modoc S side of Egg Lake. 1300 Comment
  CAS-BOT-BC58465  Capsella bursa-pastoris Bruce Bartholomew 1990-6-17 5312 Modoc Vicinity of Emerson Camp near roadhead, E side of Warner Mts. 1750 Comment
  CAS-BOT-BC58463  Capsella bursa-pastoris John H. Hatton 1911-6-12 57 Modoc Modoc County. 1219 Comment
  CAS-BOT-BC248378  Cardamine breweri Louis C. Wheeler 1935-8-15 s.n. Modoc Dismal Swamp 2225 Comment
  NY119873  Cardamine breweri A. J. Cronquist 1959-6-19 8500 Modoc Along Mill Creek, just above Clear Lake; Warner Mtns., 15 miles E of Likely 1828.8 Comment
  UC615248  Cardamine breweri Beryl O. Schreiber 1934-6-9 1159 Modoc Patterson Mill , Patterson Mill (Warner Mountains) Comment
  CAS-BOT-BC58472  Cardamine breweri var. breweri Bruce Bartholomew; Barrett Anderson 1989-6-2 4844 Modoc Vicinity of Stough Reservoir, Warner Mountains. 1950 Comment
  CAS-BOT-BC58669  Cardamine cordifolia C. L. Hitchcock 1940-5-27 6712 Modoc 15 mi. NE of Alturas. 1676 Comment
  CDA13476  Cardaria chalepensis G. F. Hrusa, T. D. Wilfred 1996-7-21 13323 Modoc Modoc Plateau; Pit River at Modoc Co. Rd. 90 bridge. E base of Splawn Mtn. N end of Big Valley. 1280 Comment
  UC1036070  Carex aquatilis Annie M. Alexander and Louise Kellogg 1946-7-19 5033 Modoc Benton Meadow Warner Mountains, Benton Meadow 2072 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
  CAS-BOT-BC242369  Carex athrostachya Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10568 Modoc East Creek ca. 1 mi. E of Patterson Ranger Station. Comment
  JEPS127213  Carex athrostachya Lowell Ahart, John Dittes 2016-6-6 20964 Modoc About one mile south the intersection of County Road 87 and Access Road to Pilot Butte Parking Area, 3.8 miles (air) east of Lookout, 7.5 miles (air) west of Adin, Ash Creek State Wildlife Area. Comment
  SEINET7550714 Image available Carex athrostachya Unknown 1969-9-5 39155 Modoc Modoc National Forest, Warner Mts. At Margin of Clear Lake. 1768 Comment
  UC189590  Carex aurea Milo S. Baker Modoc Big Valley Mts. Comment
  CAS-BOT-BC245189  Carex douglasii John Thomas Howell 1934-6-30 12280 Modoc Duncan Horse Camp. 1355 Comment
  HSC48186  Carex douglasii D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19426 Modoc Near Hager Reservoir Comment
  CHSC77243  Carex feta G. Schoolcraft 1996-7-23 2544 Modoc E. of Yankee Jim Ranch about 12 miles se of Alturas. 1645 Comment
  JEPS109251  Carex filifolia D. W. Taylor 2007-5-17 20114 Modoc Egg Lake, near western portion of the lake at Duck Hole. Comment
  JEPS63609  Carex haydeniana Frances D. Payne 1932-7-1 665 Modoc Pine Creek Basin, 2 miles Sw of Mouth Tavern, S Eastern Modoc COunty Comment
  JEPS100192  Carex hoodii Dean Wm. Taylor with Glenn L. Clifton 1989-8-5 10446 Modoc Warner Mountains, Emerson Creek drainage; cirque headwall above South Emerson Lake 2560 Comment
  RSA101501  Carex illota R. Weatherby 1955-7-7 1603 Modoc Dismal Swamp, northern Warner Mountains. 2241 Comment
  POM203051  Carex jonesii J. T. Howell 1934-6-14 12165 Modoc Near Lost Lake, Warner Mts. 2439 Comment
  HSC48329  Carex lenticularis var. impressa D. H. Norris, T. Nelson, S. Dowty 1971-6-23 19418 Modoc Near Hager Reservoir Comment
  HSC48007  Carex multicaulis D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19506 Modoc Big Valley Summit, 6 mi. W of Adin on Hwy. 299 Comment
  CAS-BOT-BC245169  Carex nebrascensis B. Anderson 1986-7-9 3183 Modoc Warner Mountains; Stough Reservoir Rd just E of Cedar Pass near Stough Reservoir 1965 Comment
  RSA210783  Carex pellita Robert F. Thorne, C. W. Tilforth 1969-9-4 39048 Modoc Along N Fork of Pit River, 11.8 miles N of Alturas along Highway 395. 1372 Comment
  UC1024331  Carex pellita Annie M. Alexander and Louise Kellogg 1946-7-7 4931 Modoc Eight Mile Creek 1752 Comment
  CAS-BOT-BC118322  Carex praegracilis E. K. Balls 1950-5-11 14618 Modoc 8 miles north of Lake City, west shore of Upper Lake. 1402 Comment
  CHSC117046  Carex praegracilis Lowell Ahart; John Dittes 2016-6-6 20966 Modoc About 100 yards east of the dirt road, about one mile south of the intersection of County Road 87 and Access Road to Pilot Butte Parking Area, 3.8 miles (air) east of Lookout, 7.5 miles (air) west of Adin, Ash Creek State Wildlife Area. 1271 Comment
  RSA59877  Carex praegracilis E. K. Balls 1950-5-11 14618 Modoc 8 miles N of Lake City, west shore of Upper Lake. 1402 Comment
  UC1024317  Carex praegracilis Annie M. Alexander and Louise Kellogg 1946-6-14 4761 Modoc branch to Silver Creek (Patterson Mill Rd.) 1828 Comment
  CAS-BOT-BC245153  Carex praegracilis Herbert Louis Mason; Verne Grant 1947-7-12 13439 Modoc Corporation Ranch Headquarters, N of Likely. Comment
  CAS-BOT-BC242352  Carex rossii Alice Eastwood; John Thomas Howell 1940-6-14 8252 Modoc Between Mammoth Cave and Lava Beds Nat. Mon. Comment
  HSC48331  Carex rostrata D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19361 Modoc Along the S Fork of the Pit River, ~6 mi. E of Likely. Comment
  JEPS120116  Carex sheldonii Lowell Ahart, John Dittes 2012-7-10 18306 Modoc Northeast of the old homestead, Ash Creek State Wildlife Area, about 3.2 miles (air) west of Adin, about 8.4 miles (air) northeast of Bieber, Big Valley. Comment
  CAS-BOT-BC245152  Carex simulata R. L. Ward 1976-5-18 Modoc Pine Spring. 1508 Comment
  JEPS63658  Carex simulata W. L. Jepson 1918-8-10 7936 Modoc Alturas 1371 Comment
  UC1537640  Carex simulata Gordon H. True Jr. 1939-8-16 1001 Modoc near Canby; Pit River Comment
  UC1024339  Carex straminiformis Annie M. Alexander and Louise Kellogg 1946-7-23 5048 Modoc near summit Emerson Peak; Warner Mountains 2749 Comment
  CAS-BOT-BC245142  Carex utriculata Robert Folger Thorne; C. W. Tilforth 1969-9-5 39157 Modoc Margin of Clear Lake, Warner Mts. 1767 Comment
  CHSC100234  Carex utriculata John Dittes; Josephine Guardino 1991-8-23 454 Modoc Modoc Plateau; Warner Mountains; southwest edge of Dismal Swamp; ca. 7.4 air-miles east by southeast of Goose Lake State Recreation Area, ca. 0.7 air-miles south of Oregon border, ca. 3.3 air-mile northwest of summit of Bidwell Mtn. 2209 Comment
  SEINET7579428 Image available Carex utriculata Unknown 1969-9-5 39186 Modoc Margin of Pine Creek where it is crossed by Hwy 395, 3.4 mi S of Alturas. 1341 Comment
  UC190430  Carex vesicaria M. S. Baker and Frank Nutting 1894-5-26 Modoc Goose Valley Comment
  RSA0025570  Castilleja John F. Emmel 1996-7-16 1441 Modoc Foothills NNE of N end Surprise Valley, W of Cowhead Lake; along County Road 1, ca. 8.5 road mi NE of jct. with County Road 6 at Ft. Bidwell. 1659 Comment
  CAS-BOT-BC225996  Castilleja applegatei subsp. pinetorum Gordon H. True 1964-6-3 1445 Modoc Surprise Valley, about 10 mi. N of Cedarville. 1432 Comment
  CAS-BOT-BC226000  Castilleja applegatei subsp. pinetorum Margaret J. Williams 1984-6-28 84- 69 -2 Modoc Warner Mountains, N of Cedar Pass, end of Soldier Creek road. 2072 Comment
  CAS-BOT-BC226001  Castilleja applegatei subsp. pinetorum Bruce Bartholomew 1994-7-2 6780 Modoc 1.8 km SE of Joseph Creek Basin on the W side of the Warner Mountains. 1720 Comment
  CAS-BOT-BC229816  Castilleja applegatei subsp. pinetorum K. Paulson; Robert Paulson 1988-6-29 57 Modoc Joseph Creek Basin, Warner Mts.. 1524 Comment
  CAS-BOT-BC229827  Castilleja applegatei subsp. pinetorum Mrs. H. C. Cantelow 1941-5-23 s.n. Modoc 2 mi. W of Adin Summit, Hwy 299. Comment
  CAS-BOT-BC248340  Castilleja applegatei subsp. pinetorum B. Bartholomew; H. Sun 2002-6-24 8807 Modoc Ridge top just S of Manzanita Mt. and 15.3 straight line km NW of Aden 2070 Comment
  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
  JEPS27948  Castilleja applegatei subsp. pinetorum Frances D. Payne 1931-6-11 148 Modoc Parker Creek Warner Mountains 1584 Comment
  POM260677  Castilleja applegatei subsp. pinetorum Alice Eastwood, John T. Howell 1940-6-11 8006 Modoc 6 miles NE of Adin on road to Canby. Comment
  RSA59712  Castilleja applegatei subsp. pinetorum N. N. Thompson 1950-5-18 14764 Modoc By Lower Rush Creek Public Camp, E. from Hwy 299, about 8 mi. N. of Adin. 1311 Comment
  UC1012495  Castilleja applegatei subsp. pinetorum Francis W. Pennell 1940-6-8 25735 Modoc 8 mi w Canby (Route 299) 1432 Comment
  UC1226031  Castilleja applegatei subsp. pinetorum Arthur Cronquist and Arthur H. Holmgren 1959-7-20 8517 Modoc 11 mi ne Alturas (benchland w of Warner Mts) 1554 Comment
  UC199394  Castilleja applegatei subsp. pinetorum Franklin P. Nutting Modoc near Egg Lake Comment
  UC199409  Castilleja applegatei subsp. pinetorum Franklin P. Nutting 1900-1-1 Modoc near Egg Lake Comment
  UCSB19309  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-BC226010  Castilleja arachnoidea Robert Patterson; Mona Bourell 1993-8-14 5220 Modoc Patterson Lake. South Warner Wilderness Area. Warner Mountains. 2743 Comment
  CAS-BOT-BC226011  Castilleja arachnoidea Bruce Bartholomew; Barrett Anderson 1988-7-22 4522 Modoc S end of Bearcamp Flat, southern end of Warner Mts.. 2230 Comment
  JEPS4549  Castilleja campestris subsp. campestris Milo S. Baker 1893-7-24 Modoc Egg Lake Comment
  UC1025095  Castilleja campestris subsp. campestris Leo Whitney 1934-5-5 1640 Modoc near Hackmore; Modoc National Forest 1524 Comment
  CAS-BOT-BC226024  Castilleja lacera K. Paulson; Robert Paulson 1988-6-19 40 Modoc W of Cranby Bridge. 1310 Comment
  CAS-BOT-BC226028  Castilleja lacera Bruce Bartholomew; Barrett Anderson 1989-6-3 4911 Modoc ca. 6 km NW of Egg Lake and ca. 0.8 km E of Service Flat Gulch. 1370 Comment
  CAS-BOT-BC226030  Castilleja lacera Bruce Bartholomew; Barrett Anderson 1988-6-23 4282 Modoc Widow Valley, 18.0 km W of Day on County Road 94. 1230 Comment
  CAS-BOT-BC226031  Castilleja lacera Bruce Bartholomew 1990-6-15 5221 Modoc W side of Deer Spring Ridge in vicinity of Reid Draw, ca. 1 km N of the Lasson Co. border. 1540 Comment
  JEPS79117  Castilleja lacera L. R. Heckard with R. Bacigalupi 1980-6-10 5219 Modoc sw margin of Egg Lake (now dry) Egg Lake Comment
  JEPS79130  Castilleja lacera L. R. Heckard with R. Bacigalupi 1980-6-10 5233 Modoc about 10 mi nw Lookout (along Great Northern Railroad grade) Comment
  CAS-BOT-BC226040  Castilleja linariifolia John Thomas Howell 1934-7-2 12369 Modoc W side of Clear Lake. Comment
  CAS-BOT-BC226041  Castilleja linariifolia Alice Eastwood; John Thomas Howell 1940-6-14 8195 Modoc 6 mi. W of Alturas. Comment
  JEPS8722  Castilleja linariifolia W. I. Follett 1942-9-10 138 Modoc Cowhead Lake, ne corner of Modoc County Cowhead Lake Comment
  UC444859  Castilleja miniata Mrs. Austin Jun 1894 302 Modoc Willow Creek Comment
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Jul 6 2010
  HSC80798  Castilleja miniata G. M. Riegel 1980-7-9 857 Modoc S Warner Mtns. 2100 Comment
  CAS-BOT-BC226051  Castilleja pilosa K. Paulson; Robert Paulson 1989-5-21 120 B Modoc Crowder Flat Rd. at Fletcher Creek. 1365 Comment
  CAS-BOT-BC241008  Castilleja pilosa Alice Eastwood; John Thomas Howell 1940-6-14 8253 Modoc Between Mammouth [Mammoth] Cave and Lava Bed Nat. Mon. Comment
  CAS-BOT-BC241015  Castilleja pilosa A. A. Heller 1941-6-25 16199 Modoc On the Cedarville road west of the ascent to Cedar Pass Comment
  UC727017  Castilleja pilosa A. A. Heller 1941-6-25 16199 Modoc w of ascent to Cedar Pass (on the Cedarville road) Comment
  CAS-BOT-BC226066  Castilleja pilosa Milo Samuel Baker 1893-6-12 s.n. Modoc Modoc County. Comment
  CAS-BOT-BC226078  Castilleja tenuis Clare Butterworth Hardham 1961-6-18 7804 Modoc Lava Flows, N Fork Pit River, 3.3 mi SW of Cedar Pass. 1371 Comment
  HSC75904  Castilleja tenuis D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19434 Modoc Near Hager Reservoir Comment
  JEPS76809  Castilleja tenuis Theodore F. Niehaus 1978-6-28 952 a Modoc ca 12 mi w Canby (0.3 mi s on road to Craig Springs from junction with Loveness mainline logging road, and 0.05 mi into section 13) Comment
  SEINET14173703  Castilleja tenuis M. J. Williams 1984-7-1 84- 87 -3 Modoc Crowder Flat Road, near Big Sage Reservoir, NW of Alturas. 1372 Comment
  UC1520657  Castilleja tenuis Noel H. Holmgren and Patricia K. Holmgren 1980-7-1 9455 Modoc 13 air mi wnw Canby (Calif Hwy 139, 14.2 mi wnw Calif Hwy 139 junction with U.S. Hwy 299) 1463 Comment
  UC748084  Castilleja tenuis Annie M. Alexander and Louise Kellogg 1946-7-7 4929 Modoc Eight Mile Creek; ne corner of Modoc County 1752 Comment
  SJSU9688  Castilleja tenuis W. Savage 1979-7-24 Modoc Long Meadow Unit, Devils Garden District, Modoc National Forest 1615 Comment
  CAS-BOT-BC217134  Ceanothus cordulatus Bruce Bartholomew 1992-5-16 6340 Modoc Burned area along County Road 91, ca. 2.5 km S of turn off to Happy Camp Ranger Station. 1390 Comment
  CAS-BOT-BC217135  Ceanothus cuneatus var. cuneatus Leland S. Smith 1922-8-1 1323 Modoc Barber Canyon Allot. Dutch Flat. 1524 Comment
  CAS-BOT-BC217138  Ceanothus cuneatus var. cuneatus John H. Hatton 1911-6-16 96 Modoc Stone Coal Road. 1371 Comment
  CAS-BOT-BC217144  Ceanothus integerrimus Bruce Bartholomew; Barrett Anderson 1988-6-23 4265 Modoc 1.8 km WSW of Day on County Road 94. 1170 Comment
  CAS-BOT-BC217108  Ceanothus prostratus Elmer Ivan Applegate 1932-8-2 8072 Modoc Mill Creek Meadow, W slope of Warner Mts. 2438 Comment
  CAS-BOT-BC217145  Ceanothus prostratus Milo Samuel Baker 1893-1-1 s.n. Modoc Forest Dale Comment
  CAS-BOT-BC217148  Ceanothus prostratus A. D. Borden 1911-5-20 s.n. Modoc W slope Sugar Hill. Comment
  HSC18320  Ceanothus prostratus M. T. Milligan 1966-5-14 614 Modoc E slope of eroded volcanic plateau 1677 Comment
  POM136509  Ceanothus prostratus M. S. Baker 1893-1 s.n. Modoc Egg Lake Comment
  RSA59845  Ceanothus prostratus E. K. Balls 1950-5-15 14696 Modoc 8.5 miles NW Canby Hwy 139 to Klamath Falls. 1402 Comment
  CAS-BOT-BC217118  Ceanothus velutinus Elmer Ivan Applegate 1932-7-9 7575 Modoc N slope of Bidwell Mountain. Comment
  SEINET13946126 Image available Ceanothus velutinus Helen K. Sharsmith 1955-1 4505 Modoc Warner Mountains, Modoc national Forest. On trail to Mill Creek Falls and Clear Lake. Altitude ca 5750 ft 1753 Comment
  UC18456  Ceanothus velutinus Mrs. Bruce 1898-1 Modoc Comment
  CDA10641  Centaurea diffusa G. Deal 1995-7-27 Modoc 0 Comment
  CAS-BOT-BC281202  Centaurea stoebe subsp. micranthos B. Bartholomew 1989-7-14 4970 Modoc N end of Big Valley Comment
  CAS-BOT-BC197532  Cercocarpus betuloides var. betuloides Leland S. Smith 1922-8-28 1336 Modoc Canyon E of Andrews Ranch 1524 Comment
  UC114145  Cercocarpus betuloides var. macrourus Milo S. Baker 1893-6 Modoc Modoc Co. Comment
  RSA101382  Cercocarpus ledifolius R. Weatherby 1955-7-8 1632 Modoc 5 miles N of Ft. Bidwell, Northern Warner Mts. 1646 Comment
  RSA59655  Cercocarpus ledifolius E. K. Balls 1950-5-12 14635 Modoc Above Bucks Creek Ranger Station, Modoc National Forest, E of Goose Lake. 1738 Comment
  UCD22436  Cercocarpus ledifolius Brian Vanden Heuvel 2003-4-11 198 Modoc Warm Springs Valley. 6.3 miles west of Canby on CA 299, 1.3 miles west of Modoc National Forest boundary, on embankment on north side of road. Comment
  CHSC109744  Cercocarpus ledifolius var. intermontanus B. Castro; L. P. Janeway 2012-7-28 1983 Modoc Warner Mountains. At Obsidian Needles Obsidian Collecting Area (on BLM map); along USFS Road 45N34 overlooking North Fork Davis Creek about 3.8 air mi E-NE of the community of Davis Creek (on Hwy 395). 1891 Comment
  CAS-BOT-BC197533  Cercocarpus ledifolius var. ledifolius A. D. Borden 1911-5-20 s.n. Modoc Sugar Hill. Comment
  NY418594  Cercocarpus macrourus M. S. Baker 1893-6-20 s.n. Modoc Rocky hillside. Comment
  UC725715  Chaenactis douglasii var. douglasii A. A. Heller 1938-6-24 15221 Modoc between Alturas and Canby Comment
  HSC42423  Chamaebatiaria millefolium Barbara Kelly 1977-7-24 544 Modoc Lava Beds National Monument at Fleener Chimneys Comment
  JEPS44979  Chamaebatiaria millefolium L. S. Smith 1918-6-23 1433 Modoc Modoc National Forest, w side Happy Camp Happy Camp; Modoc National Forest, Happy Camp Comment
  JEPS48755  Chamaebatiaria millefolium Leland S. Smith 1924-6-23 1433 Modoc Modoc National Forest, Happy Camp Ranger Station Happy Camp Ranger Station; Modoc National Forest, Happy Camp Ranger Station Comment
  CAS-BOT-BC245412  Chamaesaracha nana John Thomas Howell 1934-6-30 12266 Modoc Duncan Horse Camp. 1355 Comment
  JEPS15471  Chamaesaracha nana Joseph and Hilda W. Grinnell 1938-6-16 1107 a Modoc 100 ft below Cedar Pass summit; Warner Mountains 1935 Comment
  UC1035971  Chamaesaracha nana Helen K. Sharsmith 1955-6-26 4509 Modoc ca 20 mi n Canby (adjacent to Highway 39); Modoc National Forest 1524 Comment
  UC449976  Chamaesaracha nana M. F. Gilman 638 Modoc 1676 Comment
  RSA210820  Chamaesyce serpillifolia R. F. Thorne, J. Henrickson, C. W. Tilforth, K. Thorne 1969-9-4 39082 Modoc E. shore of Goose Lake at Willow Ranch. 1433 Comment
  CHSC106178  Chamaesyce serpillifolia subsp. serpillifolia Lowell Ahart; John Dittes 2010-8-30 17054 Modoc About 10 yards west of the fence, south edge of the meadow, Ash Creek State Wildlife Area, 2300 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  NY1001697  Chamaesyce serpyllifolia M. S. Baker 1893-7-25 s.n. Modoc On island in Egg Lake Comment
  SJSU9560  Chamaesyce serpyllifolia W. Savage 1979-7-3 1300 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  JEPS39322  Chamerion angustifolium subsp. circumvagum W. L. Jepson 1918-8-9 7915 Modoc Ft. Bidwell 1432 Comment
  UC635382  Chamerion angustifolium subsp. circumvagum F. H. Frost 1925-7-24 109 Modoc Jess Valley Warner Mountains 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
  CAS-BOT-BC95520  Chenopodium berlandieri John Thomas Howell 1934-7-1 12308 Modoc Duncan Horse Camp. 1355 Comment
  CAS-BOT-BC95521  Chenopodium foliosum Leland S. Smith 1920-8-12 21 Modoc Cantrall's Mill. 1828 Comment
  UCD97878  Chenopodium foliosum W. T. Parsons; T. C. Fuller 1960-7-26 4874 Modoc E. H. Boys ranch, Lassen Creek, ca. 2 mi. SE/Hwy 395. Comment
  CAS-BOT-BC95525  Chenopodium hians Herbert Louis Mason; Verne Grant 1947-7-10 13345 Modoc Dorris Reservoir, 2 mi E of Alturas. Comment
  RSA624120  Chenopodium leptophyllum L. C. Wheeler 1935-8-26 3921 Modoc South Mt. devil's Garden: McGinty Point. 1524 Comment
  CAS-BOT-BC197834  Chorizanthe polygonoides var. polygonoides Alice Eastwood; John Thomas Howell 1940-6-15 8300 Modoc 5 mi. N of Lookout. Comment
  CAS-BOT-BC15043  Chrysothamnus nauseosus subsp. albicaulis Elmer Ivan Applegate 1936-9-22 11064 Modoc Caldwell Butte, north base, Lava Beds National Monument. Comment
  CAS-BOT-BC15044  Chrysothamnus nauseosus subsp. albicaulis Elmer Ivan Applegate 1936-9-22 11072 Modoc Lower Caldwell Ice Cave, Lava Beds National Monument. Comment
  SJSU9680  Chrysothamnus viscidiflorus subsp. puberulus W. Savage 1979-8-22 1578 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  CAS-BOT-BC14989  Chrysothamnus viscidiflorus subsp. viscidiflorus Elmer Ivan Applegate 1935-8-3 10001 Modoc North Boundary - Lyon, Lava Beds National Monument. Comment
  CHSC106177  Chrysothamnus viscidiflorus subsp. viscidiflorus Lowell Ahart; John Dittes 2010-8-30 17061 Modoc Near the homestead, about 100 yards east of the fence, Ash Creek State Wildlife Area, 2300 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  UC71576  Chrysothamnus viscidiflorus subsp. viscidiflorus Mrs. M. H. Manning 1902-10-1 27 Modoc near Fort Bidwell (ne Modoc county) Comment
  UC69059  Chrysothamnus viscidiflorus subsp. viscidiflorus Mrs. M. H. Manning Sep 1 1902-Oct 1 1902 27 Modoc Comment
  CAS-BOT-BC14971  Cichorium intybus Bruce Bartholomew 1991-7-6 5962 Modoc Ash Creek Bird Santuary, 0.2 km N of Lassen County line on Modoc County Road 87A. 1260 Comment
  CAS-BOT-BC21485  Cicuta douglasii John Thomas Howell 1934-6-12 12001 Modoc Davis Creek. Comment
  CDA38302  Cicuta douglasii T. C. Fuller 1959-7-8 s.n. Modoc 3.4 miles east of Tulelake. 0 Comment
  CDA38305  Cicuta douglasii G. D. Barbe, John Kelley 1988-7-2 4297 Modoc Modoc National Wildlife Refuge, southeast of Alturas. 0 Comment
  UC748357  Cicuta maculata var. angustifolia Annie M. Alexander and Louise Kellogg 1946-7-6 4916 Modoc East Eagleville Comment
  HSC80903  Circaea alpina subsp. pacifica G. M. Riegel 1980-7-29 951 Modoc S Warner Mtns. 1670 Comment
  JEPS43894  Circaea alpina subsp. pacifica Milo S. Baker 1893-7-15 Modoc Forestdale, Taylor Creek 1371 Comment
  NY850375  Circaea alpina subsp. pacifica B. M. Bartholomew 1990-7-20 5535 Modoc Buck Creek between Del Pratt Spring and Howard Flat, west side of Warner Mountains 1990 Comment
  RSA0070848  Cirsium andersonii Bruce Bartholomew, B. Anderson 1990-7-19 5441 Modoc Sweagert Flat. 1860 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
  CAS-BOT-BC14967  Cirsium cymosum Bruce Bartholomew; Barrett Anderson 1988-6-25 4379 Modoc SW side of Jess Valley, Warner Mts.. 1540 Comment
  CAS-BOT-BC14970  Cirsium cymosum Bruce Bartholomew 1989-7-15 5002 Modoc Sweagert Flat. 1860 Comment
  UCD144215  Cirsium cymosum Baldo Villegas 1998-8-19 s.n. Modoc near New Pine Creek, 3.6 miles east of Fandango Pass on Highway 395. Comment
  CAS-BOT-BC14973  Cirsium douglasii var. breweri Herbert Louis Mason 1947-8-11 13500 Modoc Hwy 81, N of Modoc-Lassen County line. Comment
  CAS-BOT-BC14974  Cirsium douglasii var. breweri Thomas C. Fuller 1975-9-4 20098 Modoc Lunsford Spring, California Pines. Comment
  CAS-BOT-BC14975  Cirsium douglasii var. breweri Louis Cutter Wheeler 1935-9-10 3966 Modoc McGinty Reservoir, Devil's Garden 1463 Comment
  HSC5400  Cirsium occidentale var. candidissimum M. T. Milligan 1966-7-7 564 Modoc East of Jess Valley, Warner Mtns. 1738 Comment
  CDA1507  Cirsium ochrocentrum var. ochrocentrum William J. Ferlatte 1971-6-29 1359 Modoc County Rd. 55 (Pencil Rd.), 0.8 mi. N of Hwy 299 (I-395), 2 mi. E of Alturas. Comment
  CDA1605  Cirsium undulatum D. B. Joley, C. D. Hunter 1983-8-3 s.n. Modoc S side of Hwy 139, 30 meters W of Hackamore Rd. (1 mi E of MP 19.00). Comment
  CAS-BOT-BC162643  Clarkia Clare B. Hardham 1961-6-19 7848 Modoc Willow Creek, Warner Mountains Comment
  CAS-BOT-BC191064  Clarkia gracilis subsp. gracilis Frances D. Payne 1932-6-10 640 Modoc Parker Creek 1584 Comment
  CAS-BOT-BC191065  Clarkia gracilis subsp. gracilis Bruce Bartholomew; Barrett Anderson 1989-6-1 4739 Modoc ca. 0.5 km S of State Hwy 299 on road to Shaker Spring. 1420 Comment
  CAS-BOT-BC191068  Clarkia gracilis subsp. gracilis C. L. Hitchcock 1940-5-28 6729 Modoc 15 miles north of Alturas. (near Surprise) on dry slope 1402 Comment
  CHSC85162  Clarkia gracilis subsp. gracilis John Dittes; Josephine Guardino 1991-7-21 398 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
  LA47493  Clarkia gracilis subsp. gracilis Clare B. Hardham; 1961-6-19 7522 A Modoc Warner Mountains, Willow Creek 1676 Comment
  CHSC31495  Clarkia lassenensis N. E. H. Prouty 1980-6-7 183 Modoc Modoc Nat. Forest, Warner Mt. District. Along north side of Deep Creek road, SW of Cedarville. Comment
  CAS-BOT-BC191047  Clarkia rhomboidea Leland S. Smith 1917-7-24 129 Modoc Joseph Creek. 1676 Comment
  SD46730  Clarkia rhomboidea Robert J. Weatherby 1955-7-8 1622 Modoc Northern Juniper Woodland. 6 miles north of Fort Bidwell, northern Warner Mountains. 1737 Comment
  UC20029  Clarkia rhomboidea Milo S. Baker 1893-8-10 Modoc Comment
  NY497245  Claytonia lanceolata C. L. Hitchcock 1940-5-27 6717 Modoc 15 miles northeast of Alturas 1981.2 Comment
  SEINET5336344  Claytonia lanceolata L. Miller 1933-3-29 s.n. Modoc On Cedar pass near Cedarville Comment
  CAS-BOT-BC197466  Claytonia rubra subsp. rubra John Thomas Howell 1934-6-13 12078 Modoc Fandango Pass. 1828 Comment
  CAS-BOT-BC197474  Claytonia rubra subsp. rubra Bruce Bartholomew 1991-5-23 5690 Modoc 0.5 km E of Day on County Rd. 94. 1050 Comment
  CAS-BOT-BC197475  Claytonia rubra subsp. rubra Edward Kent Balls 1950-5-12 14640 Modoc Above Buck Creek Ranger Station. 1767 Comment
  CDA25289  Cleome platycarpa T. C. Fuller 1970-7-22 19774 Modoc Canyon Creek Road, 12 miles southwest of Alturas. 0 Comment
  SD52231  Cleome platycarpa Frank Stephens 1894-7-16 728 Modoc 1430 Comment
  CAS-BOT-BC226086  Collinsia parviflora Roxana Stinchfield Ferris; R. Duthie 1919-6-13 28 Modoc Along Parker Creek at Modoc Nat Forest Boundary. Comment
  CAS-BOT-BC226097  Collinsia parviflora Bruce Bartholomew; Mona Bourell 1990-4-26 5158 Modoc 0.5 km S of Day. 1100 Comment
  CAS-BOT-BC229856  Collinsia parviflora Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16430 Modoc Near summit of Cedar Pass, between Alturas & Cedarville 1920 Comment
  RSA59930  Collinsia parviflora E. K. Balls 1950-5-11 14619 Modoc 8 mi. n. of Lake City, w. shore Upper Lake. 1418 Comment
  SBBG27381  Collinsia parviflora C. L. Hitchcock 1940-5-27 6687 Modoc 15 mi NE of Alturas 1615 Comment
  UC26638  Collinsia parviflora Milo S. Baker 1893-6-15 Modoc Forestdale Comment
  RSA0117239  Collinsia parviflora E. K. Balls 1950-5-13 14665 Modoc Goose Lake, east shore about Willow Ranch. 1463 Comment
  CAS-BOT-BC190739  Collomia grandiflora John Thomas Howell 1934-7-1 12319 Modoc Duncan Horse Camp. 1355 Comment
  CHSC112814  Collomia grandiflora Lowell Ahart; John Dittes 2013-7-25 18965 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
  HSC80885  Collomia grandiflora G. M. Riegel 1980-7-14 865 Modoc S Warner Mtns. 1670 Comment
  UC1191644  Collomia grandiflora Verne Grant and A. Grant 1947-7-13 8018 Modoc Fandango Pass Warner Mountains Comment
  UCD118163  Collomia grandiflora J. M. Tucker 1950-7-25 1972 Modoc Beside Highway 139, 26.4 miles SE of Tule Lake. Comment
  UC1191648  Collomia grandiflora Verne Grant and Irving Schneider 1947-7-20 8106 Modoc downstream from Alturas; North Fork of Pit River 1341 Comment
  HSC65597  Collomia linearis Thomas Wood 1979-8-9 231 Modoc Dirt road along Bidwell Creek, 2.7 mi. NW of jct. with Co. Hwy. 2. N of Fort Bidwell 1555 Comment
  JEPS71065  Collomia tinctoria Milo S. Baker 1893-6-10 Modoc sw corner of county Forestdale 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
  UC1037299  Collomia tinctoria Leo Whitney 1934-5-27 1638 Modoc rocky flat near Hockamore; Modoc National Forest 1463 Comment
  UC1587087  Collomia tinctoria G. Schoolcraft 1991-6-19 2167 Modoc steep slope about 2 mi w Canby 1432 Comment
  RSA293376  Collomia tracyi Reino Alava 1957-7-5 1147 Modoc Cedar Pass, Modoc National Forest Comment
  CAS-BOT-BC21480  Conium maculatum Bruce Bartholomew 1990-6-17 5286 Modoc Surprise Valley, SW side of Lower Alkali Lake, 3.2 km N of Lassen County border. 1370 Comment
  CAS-BOT-BC21481  Conium maculatum Bruce Bartholomew 1990-6-17 5286 Modoc Surprise Valley, SW side of Lower Alkali Lake, 3.2 km N of Lassen County border. 1370 Comment
  CHSC105975  Conium maculatum Lowell 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 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  JEPS119676  Convolvulus arvensis Lowell Ahart, John Dittes 2012-7-12 18378 Modoc On the east side of Elkins Lane, about 100 yards north of the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. Comment
  CAS-BOT-BC242187  Corallorhiza maculata Bruce Bartholomew 1994-7-2 6777 Modoc Field redacted by CAS, contact the data manager for more information 1590 Comment
  UC4424  Corallorhiza striata Milo S. Baker 1893-6-9 Modoc Comment
  CAS-BOT-BC229877  Cordylanthus capitatus Bruce Bartholomew; Barrett Anderson 1988-7-23 4560 Modoc Road beyond Poison Lake ca. 8 km S of the road from U.S. Highway 395 to Lily Lake, Warner Mts.. 2140 Comment
  UC190605  Cordylanthus maritimus subsp. canescens M. F. Gilman 608 Modoc 1676 Comment
  CAS-BOT-BC229880  Cordylanthus ramosus Louis Cutter Wheeler 1935-8-20 3899 Modoc Pine Spring, Devil's Garden. 1524 Comment
  CAS-BOT-BC229881  Cordylanthus ramosus Belknap C. Goldsmith 1912-8-6 81 Modoc W of Goose Lake. 1493 Comment
  CAS-BOT-BC210268  Cornus sericea John Thomas Howell 1934-6-11 11964 Modoc Parker Creek, Warner Mts. 1584 Comment
  POM97790  Corydalis aurea subsp. aurea Mrs. R. M. Austin 1884-06 s.n. Modoc Modoc County: Pilt River Comment
  CAS-BOT-BC197569  Crataegus douglasii C. C. (Mrs.) Bruce 1893-6-1 90 Modoc Davis Creek. Comment
  JEPS118463  Crataegus douglasii Lowell Ahart, John Dittes 2011-6-21 17529 Modoc On the north bank of Ash Creek, Ash Creek State Wildlife Area, 4,500 feet south of County Road 87, 2.7 miles (air) west of Adin, 9.1 miles (air) northeast of Bieber Comment
  JEPS123834  Crataegus douglasii Lowell Ahart, John Dittes 2015-7-17 20396 Modoc Ash Creek State Wildlife Area, about 3/4 mile south of County Road B7, about 2.7 miles (air) west of Adin, about 9.1 miles (air) northeast of Bieber. Adin USGS 7.5' Topographic Quadrangle. Comment
  CAS-BOT-BC14948  Crepis acuminata Bruce Bartholomew 1991-8-5 6027 Modoc Summit Trail between Pepperdine and Squaw Peak, W side of Warner Mts. 2190 Comment
  RSA164315  Crepis acuminata Clare B. Hardham 1961-6-18 7562 Modoc Hills 3 miles south of Cedar Pass 1829 Comment
  CAS-BOT-BC14918  Crepis bakeri subsp. cusickii Bruce Bartholomew; Barrett Anderson 1989-6-1 4722 Modoc Shake Spring, NW side of Shaffer Mountain. 1500 Comment
  CAS-BOT-BC14892  Crepis intermedia Isabelo T. Kelly 1930-1-1 53 Modoc unspecified Comment
  CAS-BOT-BC14897  Crepis intermedia David Daniels Keck; Jens Chr. Clausen 1935-6-24 3721 Modoc 3 mi. N of Davis Creek. 1524 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-BC14859  Crepis occidentalis subsp. pumila Bruce Bartholomew; Barrett Anderson 1988-6-25 4384 Modoc 5.6 km NW of State Highway 299 on County Road 73. 1500 Comment
  CAS-BOT-BC95593  Cressa truxillensis Bruce Bartholomew 1991-8-4 6014 Modoc W side of Goose Lake, 10.5 km N of McGinty Point. 1460 Comment
  CAS-BOT-BC95594  Cressa truxillensis R. M. Austin 1894-8-1 s.n. Modoc Davis Creek. Comment
  CAS-BOT-BC14836  Crocidium multicaule Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-10 6444 Modoc 1.6 km S of Davis Creek on U.S. Hwy 395. 1460 Comment
  SEINET3146470  Crocidium multicaule E. K. Balls 1950-5-10 15956 Modoc Hwy. 395, 5.5 mi. E of Alturas 1524 Comment
  UC1004195  Crocidium multicaule W. A. Weber and Lewis S. Rose 1953-5-22 8451 Modoc 7 mi e Alturas (on road to Cedarville) 1371 Comment
  HSC41126  Croton setiger Thomas W. Nelson, Jane P. Nelson, James Nelson 1976-8-29 3264 Modoc Modoc National Forest, along Hwy. 299 Just NE of Adin Pass 1524 Comment
  CAS-BOT-BC14838  Crupina vulgaris Bruce Bartholomew 1990-6-15 5212 Modoc Kelly Spring, 5.5 km SSE of Hwy 299 on road from Rush Creek. 1640 Comment
  NY389200  Crupina vulgaris B. M. Bartholomew 1990-6-15 5212 Modoc Kelly Spring, 5.5 km SSE of Hwy 299 on road from Rush Creek Comment
  CDA36317  Crupina vulgaris CDFA Staff 1992-1 Modoc 0 Comment
  CDA4457  Crupina vulgaris Butch Kreps 1992-6-12 Modoc Kelley Spring, Modoc National Forest, Adin. 0 Comment
  SEINET5343801 Image available Crupina vulgaris G. Schoolcraft 1993-6-17 2297 Modoc NE of Adin on S. side of Hunter Ridge 1646 Comment
  JEPS114431  Crypsis alopecuroides Lowell Ahart, John Dittes 2008-8-26 15352 Modoc On the bottom of Rose Creek, 550 feet southwest of confluence of Rose Creek and Pit River, on the northwest side of unnamed road,, 2860 feet east of intersection with County Road 85a, 9.3 miles (air) north-northeast of Lookout 1276 Comment
  JEPS114436  Crypsis vaginiflora Lowell Ahart, John Dittes 2008-8-26 15353 Modoc bottom of Rose Creek, 550 feet southwest of confluence of Rose Creek and Pit River, on the northwest side of unnamed road, northeast of wire gate, 2860 feet east of intersection with County Road 85a, 9.3 miles (air) north-northeast of Lookout 1276 Comment
  CAS-BOT-BC54127  Cryptantha affinis Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10529 A Modoc Patterson Ranger Station (East Creek drainage). 2164 Comment
  CDA19937  Cryptantha ambigua D. Crum 2002-7-2 PDR 1151612 Modoc Northern California; Vicinity of Alturas 0 Comment
  CAS-BOT-BC54138  Cryptantha circumscissa Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-10 6457 Modoc 7.9 km W of the Nevada border on the road to Eagleville, E side of Surprise Valley. 1445 Comment
  CAS-BOT-BC54102  Cryptantha intermedia Harry Dwight Dillon Ripley; Rupert Charles Barneby 1944-5-31 5989 Modoc NW of Alturas. 1371 Comment
  UC24650  Cryptantha intermedia M. S. Baker and Frank Nutting 1894-6-29 Modoc near Lookout; Big Valley Comment
  UC24699  Cryptantha intermedia M. S. Baker and Frank Nutting 1894-6-4 Modoc Little Hot Spring Valley Comment
  UC526166  Cryptantha simulans John Thomas Howell 1934-6-13 12043 Modoc Fandango Pass Warner Mts. 1828 Comment
  HSC75578  Cryptantha simulans G. M. Riegel 1980-7-8 853 Modoc S Warner Mtns. 1739 Comment
  UC857267  Cryptantha simulans Lewis S. Rose 1940-6-14 40578 Modoc 14 mi nw Canby 1524 Comment
  CAS-BOT-BC54122  Cryptantha torreyana John Thomas Howell 1934-6-13 12044 Modoc Fandango Pass, Warner Mountains 1828 Comment
  UC711886  Cryptantha torreyana Roxana S. Ferris and Laura Lorraine 1941-8-13 10530 Modoc Patterson Ranger Station, East Creek drainage Warner Mts., Modoc National Forest, East Creek 2164 Comment
  CHSC109508  Cryptantha torreyana var. torreyana L. P. Janeway; B. Castro 2012-7-25 10993 Modoc Warner Mountains. Low broad ridge 1.1 km east of Dismal Swamp. 2250 Comment
  NY16597  Cupressus bakeri G. Schoolcraft 1981-9-1 573 Modoc West of Day 1066.8 Comment
  CAS-BOT-BC95627  Cuscuta approximata Francis Dorris Payne 1932-6-10 732 Modoc Parker Creek. 1584 Comment
  UCD126236  Cuscuta approximata Mary H. Manning 1918-8-1 s.n. Modoc Condan Ranch, Ft. Bidwell. 1402 Comment
  UC71860  Cuscuta subinclusa Mrs. M. H. Manning 1904-8 498 Modoc Joseph Creek Comment
  CAS-BOT-BC21483  Cymopterus terebinthinus var. californicus Bruce Bartholomew 1993-6-12 6583 Modoc Road to Day Rock from Little Hot Spring Valley. 1250 Comment
  CAS-BOT-BC21484  Cymopterus terebinthinus var. californicus Bruce Bartholomew 1995-6-1 6921 Modoc 1.3 km E of Day between Day and Lookout on County Road 94. 1200 Comment
  JEPS101845  Cyperus squarrosus Dean W. Taylor 1990-8-22 11479 Modoc Lookout Road 2.3 miles S of junction with State Highway 139, crossing of a small perennial drainage in Ponderosa Pine Forest 1424 Comment
  UC71859  Cypripedium montanum Mrs. M. H. Manning 1904-7-9 173 Modoc Cottonwood Pass Comment
  RSA17704  Cystopteris fragilis Elmer I. Applegate 1932-8-2 8096 Modoc Mill Creek Meadows, west slope Warner Mountains, rocks along stream Comment
  UC42490  Cystopteris fragilis Geo. H. Boke 1890-1 Modoc Comment
  CAS-BOT-BC242496  Dactylis glomerata Bruce Bartholomew; Barrett Anderson 1988-7-22 4474 Modoc Vicinity of East Creak Trailhead, southern end of the Warner Mts. 2210 Comment
  CHSC71892  Damasonium californicum Vernon H. Oswald; Lowell Ahart 1998-9-8 9596 Modoc County Rd. 95 at Taylor Creek northwest of Lookout and ca. 0.5 air mi northeast of Lookout Junction. 1280 Comment
  UC1536803  Damasonium californicum Gordon H. True Jr. 1939-6-6 1013 Modoc Gooch Swamp near Lookout; Gooch Swamp Comment
  JEPS68526  Danthonia californica Leland S. Smith 1918-1 850 Modoc 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-BC217342  Delphinium depauperatum Bruce Bartholomew 1994-7-2 6790 Modoc 8.9 km SE of Joseph Creek Basin on the W side of the Warner Mountains. 2120 Comment
  NY487635  Delphinium depauperatum A. J. Cronquist 1959-6-20 8518 Modoc Cedarville Pass; Warner Mountains between Cedarville and Alturas 1920.2 Comment
  JEPS43417  Delphinium depauperatum L. S. Smith 1917-6-2 783 Modoc Parsnip Creek, S. Warner Mts. 1524 Comment
  NY487727  Delphinium menziesii C. L. Hitchcock 1940-5-27 6705 Modoc 15 miles northeast of Alturas 1676.4 Comment
  CAS-BOT-BC217302  Delphinium nudicaule John H. Hatton 1911-6-15 104 Modoc Near Happy Camp. 1493 Comment
  CAS-BOT-BC217279  Delphinium nuttallianum Edward Kent Balls; N. N. Thompson 1950-5-17 14733 Modoc SW of Double Head, 7.5 km from Hwy 139, S of Clear Lake Burs Refuge. 1463 Comment
  CAS-BOT-BC217312  Delphinium nuttallianum Annie Montague Alexander; L. Kellogg 1946-6-5 4667 Modoc Emerson Creek, S of Eagleville, Warner Mts. 1981 Comment
  CAS-BOT-BC217313  Delphinium nuttallianum Edward Kent Balls 1950-5-12 14367 Modoc Above Bucks Creek Ranger Station, E of Goose Lake. 1767 Comment
  CAS-BOT-BC248330  Delphinium nuttallianum B. Bartholomew; H. Sun 2002-6-24 8819 Modoc Just SW of Manzanita Mt. and ca. 15 straight line km NW of Aden 2000 Comment
  HSC25014  Delphinium nuttallianum M. T. Milligan 1966-7-3 526 Modoc N end of Jess Valley 1616 Comment
  RSA59803  Delphinium nuttallianum E. K. Balls, M. M. Thompson 1950-5-17 14733 Modoc SW of Double Head, 7.5 miles from Hwy 139, S of Clear Lake Bird Refuge,. 1463 Comment
  RSA647813  Delphinium nuttallianum Marion P. Harthill 1972-4-17 849 Modoc Cedar Pass, alt 6300ft. 1921 Comment
  JEPS23388  Delphinium stachydeum L. S. Smith 1918-7-13 992 Modoc Nevada Range <to?> Mill Cr. Range; Eagle Pk. 2133 Comment
  RSA520482  Delphinium stachydeum Bruce Bartholomew, B. Anderson 1989-6-2 4810 Modoc NE side of Upper Lake, 4km S of road to Fee Reservoir, NE end of Surprise Valley. 1420 Comment
  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
  CAS-BOT-BC247774  Deschampsia danthonioides Bruce Bartholomew; Barrett Anderson 1990-7-19 5443 Modoc Sweagert Flat. 1860 Comment
  CAS-BOT-BC247775  Deschampsia danthonioides Bruce Bartholomew 1991-7-5 5933 Modoc Cow Head Tank, ca. 6 km NW of Dorris Brothers Reservoir. 1520 Comment
  JEPS73978  Deschampsia danthonioides Frances D. Payne 1932-6-27 647 Modoc s. and e. of Alturas (Parker Creek); Warner Mts., Parker Creek 1584 Comment
  UC1523780  Deschampsia danthonioides Gary Schoolcraft 1981-6-10 594 Modoc near Loveness Pond n. of Canby 1508 Comment
  UCR163107  Deschampsia danthonioides Jim Andre 1993-7-3 1426 Modoc Modoc Plateau, about 10 miles NW of Canby on Hwy 139, near NW end of Oak Ridge 1494 Comment
  POM260332  Descurainia incana subsp. viscosa C. L. Hitchcock 1940-5-27 6713 Modoc 15 miles NE of Alturas. 1677 Comment
  CAS-BOT-BC58613  Descurainia pinnata subsp. brachycarpa Alice Eastwood; John Thomas Howell 1940-6-12 8051 Modoc Between Likely and Jess Valley. Comment
  CAS-BOT-BC58614  Descurainia pinnata subsp. glabra Fred D. Douthitt 1916-5-11 23 Modoc Juniper Flats near Flournoy Swale. 1524 Comment
  UCD114793  Descurainia sophia Robbins; Raynor 1943-6-1 s.n. Modoc near Likely. Comment
  CAS-BOT-BC190762  Dicentra uniflora Leland S. Smith 1922-5-28 1242 Modoc Happy Camp Mountain. 1889 Comment
  CAS-BOT-BC190763  Dicentra uniflora Leland S. Smith 1920-6-2 1163 Modoc Dismal Swamp. 2042 Comment
  UC1133888  Dichelostemma capitatum R. C. Wilson 1933-6-7 42 Modoc Pothole Gulch Modoc National Forest, Canby Quad. 1310 Comment
  UC1586937  Dichelostemma capitatum Juha Pykala and D. H. Norris 1987-5-27 1047 Modoc between Lower Rush Creek Campground and Upper Rush Creek Campground; Modoc National Forest 1493 Comment
  CAS-BOT-BC242114  Dichelostemma multiflorum Elmer Ivan Applegate 1929-6-24 5889 Modoc Between Adin and Canby, upper Pit River region. Comment
  CAS-BOT-BC242115  Dichelostemma multiflorum Roxana Stinchfield Ferris; R. Duthie 1919-6-13 68 Modoc Near Parker Creek, 15 mi. from Alturas. Comment
  CAS-BOT-BC242118  Dichelostemma multiflorum Bruce Bartholomew 1990-6-15 5216 Modoc SW side of of Hunters Ridge, 6.3 km SSE of Hwy 299 on road from Rush Creek. 1640 Comment
  CAS-BOT-BC242120  Dichelostemma multiflorum John Thomas Howell 1934-6-11 11945 Modoc Parker Creek. 1584 Comment
  CAS-BOT-BC242121  Dichelostemma multiflorum Bruce Bartholomew 1994-5-14 6681 Modoc NW of Day between Oilar Ranch and Day Rock. 1190 Comment
  CAS-BOT-BC502682  Dichelostemma multiflorum Mrs. A. H. Rodda 1932-7-1 s. n. Modoc Near Macarthur Comment
  SJSU10166  Dichelostemma multiflorum R. L. Fisher 1958-6-13 Modoc near Adin Pass c. 6 mi S of Canby 1524 Comment
  SJSU9660  Dieteria canescens var. canescens W. Savage 1979-7-9 1498 Modoc Round Valley, Triangle, Devils Garden District, Modoc National Forest 1493 Comment
  CAS-BOT-BC49463  Dieteria canescens var. shastensis Elmer Ivan Applegate 1923-3-17 3341 Modoc Dry Lake, SE of Tule Lake. Comment
  CAS-BOT-BC49464  Dieteria canescens var. shastensis Leland S. Smith 1917-9-8 155 Modoc Fandango Valley, Warner Mountains 1524 Comment
  JEPS19969  Dieteria canescens var. shastensis Milo S. Baker 1893-6 Modoc Comment
  SEINET7845829 Image available Dieteria canescens var. shastensis M. S. Baker 1893-1 s.n. Modoc Egg Lake Comment
  UC71574  Dieteria canescens var. shastensis Mrs. M. H. Manning 1903-9-2 Modoc Wood-road Canyon Wood-road Canyon (north-eastern Modoc County) Comment
  HSC80855  Dimeresia howellii G. M. Riegel 1980-7-15 Modoc South Warner Mtns. 2100 Comment
Read comments
Jan 28 2011
  RSA155895  Dimeresia howellii Peter H. Raven 1962-5-29 17879 Modoc Canyon south of Hwy 3.4 miles east of Cedar Pass. Warner Mountains Comment
  CHSC77235  Diplacus cusickii G. Schoolcraft 1999-7-13 2862 Modoc Lower slopes of Warner Mtns. 3 mi. n. of Eagleville. 1432 Comment
  SEINET13699968  Diplacus cusickii M. J. Williams 1984-6-30 84- 77 -1 Modoc E side of the Warner Mountains, 2 miles in, Granger Canyon Road (County Road 27) S of Cedarville towards Gerlach, NV. 1951 Comment
  CAS-BOT-BC234483  Diplacus nanus James T. Vale 1978-7-18 s.n. Modoc Payne Springs Comment
  SEINET8255120  Diplacus pygmaeus David M. Thompson 1988-6-3 927 Modoc Egg Lake, s end; between Kramer Reservoir and White Horse Lookout railroad crossing. 1300 Comment
  CAS-BOT-BC234439  Diplacus tricolor Leland S. Smith 1924-6-3 1363 Modoc Kramer Reservoir. 1310 Comment
  CAS-BOT-BC247766  Distichlis spicata Bruce Bartholomew 1989-8-11 5059 Modoc Along W side of Goose Lake, 3.5 km S of the Oregon border on National Forest Road 48. 1430 Comment
  CAS-BOT-BC218297  Dodecatheon alpinum Robert J. Weatherby 1955-7-7 1600 Modoc Dismal Swamp. 2240 Comment
  UC75672  Dodecatheon conjugens Milo S. Baker 1896-5-15 81 Modoc Forestdale Comment
  CAS-BOT-BC218278  Dodecatheon conjugens var. conjugens Bruce Bartholomew; Barrett Anderson 1989-4-27 4637 Modoc Ryan Canyon, 6.0 km NW of Adin on road to Dutch Flat. 1370 Comment
  CAS-BOT-BC218286  Dodecatheon conjugens var. conjugens K. Paulson; Robert Paulson 1989-5-21 117 Modoc Crowder Flat Road, Devil's Garden. 1341 Comment
  CHSC117251  Downingia bacigalupii Lowell Ahart; John Dittes 2016-7-14 21165 Modoc West side of new pond, south of Ash Creek Canal (now filled in), south of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. 1273 Comment
  JEPS117480  Downingia bacigalupii Lowell Ahart, John Dittes 2010-8-31 17124 Modoc About 400 yards west of Elkins Lane and the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley 1267 Comment
  CAS-BOT-BC95129  Downingia bicornuta var. bicornuta Bruce Bartholomew; Barrett Anderson 1990-7-19 5413 Modoc Turner Creek at County Rd 90, N end of Big Valley, 6.4 km N of Lassen County border. 1230 Comment
  CAS-BOT-BC95133  Downingia bicornuta var. bicornuta Bruce Bartholomew 1991-7-6 5986 Modoc Sand Flat on Loveness Logging Road. 1370 Comment
  UC1368462  Downingia bicornuta var. bicornuta R. K. Gierisch 1969-7-16 3547 Modoc Spaulding Reservoir 1432 Comment
  CAS-BOT-BC95134  Downingia cuspidata Bruce Bartholomew 1993-6-12 6606 Modoc Flat between Egg Lake and Lookout just E of railroad track. 1260 Comment
  JEPS5032  Downingia insignis Rimo Bacigalupi and L. R. Heckard 1952-6-18 3742 Modoc 0.75 mi e Canby (along U.S. Hwy 299, at railroad crossing) Comment
  RSA149140  Downingia insignis I. L. Wiggins, Dorothy Wiggins 1961-6-16 16524 Modoc Northern outskirts of Canby. Comment
  RSA149141  Downingia insignis I. L. Wiggins, Dorothy Wiggins 1961-6-16 16521 Modoc Near Cloverswale Creek, 4.8 miles NE of Canby Comment
  SEINET8039562  Downingia insignis M. J. Williams 1984-1 84- 66 -1 Modoc 0.2 mile E of Highway 395 at Ravendale. 1524 Comment
  CAS-BOT-BC58296  Draba albertina Annie Montague Alexander; L. Kellogg 1946-8-3 5112 Modoc Head of Eagle Creek, Warner Mts. Comment
  HSC80852  Draba albertina G. M. Riegel 1980-8-26 1109 Modoc S Warner Mtns. 2329 Comment
  POM338222  Drymaria F. R. Fosberg 1957-8-18 38852 Modoc Upper Rush Creek Camp Ground, northeast of Adin. 1600 Comment
  HSC25988  Drymocallis glandulosa var. glandulosa D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19492 Modoc Big Valley Summit, 6 mi. W of Adin on Hwy. 299 Comment
  POM172481  Drymocallis glandulosa var. glandulosa Franklin Nutting 1894-6-13 s.n. Modoc W side of Egg Lake Comment
  CAS-BOT-BC527340  Drymocallis glandulosa var. reflexa Barrett Anderson 1986-7-9 3182 Modoc Stough Reservoir Road just east of Cedar Pass near Stough Reservoir, Warner Mountains 1965 Comment
  CHSC109480  Drymocallis lactea var. austiniae L. P. Janeway; B. Castro 2012-7-27 11018 Modoc Warner Mountains. Along an unnamed mining accessd road 1.0 air km east of Yellow Mountain, 0.5 air km east of Mineral Spring. 2335 Comment
  CHSC109208  Drymocallis lactea var. lactea L. P. Janeway; B. Castro 2012-7-24 10959 Modoc Warner Mountains. Along Forest Road/County Road 2 (the road from New Pine Creek to Fort Bidwell) 1.4 air km east of Lily Lake and 1.8 air km southwest of Dismal Swamp. 2250 Comment
  JEPS47205  Drymocallis pseudorupestris var. saxicola Frances D. Payne 1929-7-26 120 Modoc summit of Mt. Warren Warner Mountains, summit of Mt. Warren Comment
  CAS-BOT-BC14807  Dugaldia hoopesii Robert Patterson; Mona Bourell 1993-8-14 5233 Modoc Patterson Lake. South Warner Wilderness Area. Warner Mountains. 2743 Comment
  CAS-BOT-BC14802  Dugaldia hoopesii Francis Dorris Payne 1931-1-1 s.n. Modoc Warner Mts. Comment
  UC1100266  Echinochloa crus-galli Herbert L. Mason 1947-8-12 13510 Modoc junction of North and South forks of Pit River Alturas; junction of North and South forks of Pit River Comment
  CHSC116190  Elatine Lowell Ahart; John Dittes 2015-7-15 20354 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
  CHSC116191  Elatine Lowell Ahart; John Dittes 2015-7-15 20349 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
  RSA210825  Elatine gracilis R. F. Thorne, C. W. Tilforth, K. Thorne 1969-9-4 39055 Modoc 2 mi W of Davis Creek (town), S of Goose Lake. 1433 Comment
  JEPS127157  Elatine rubella Lowell Ahart, John Dittes 2016-7-14 21169 Modoc South of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. Comment
  UC1100626  Eleocharis acicularis Herbert L. Mason and Verne Grant 1947-7-12 13402 Modoc irrigation ditch by Jone's Lane (off Hwy 395, several mi s of Alturas) Comment
  CAS-BOT-BC242389  Eleocharis bella Robert Folger Thorne; et al 1969-9-4 39112 Modoc N Fork of Pit River, 3.4 mi. N of Alturas where crossed by Hwy 395. 1341 Comment
  UC190419  Eleocharis bella M. S. Baker and Frank Nutting 1894-8-20 Modoc Forestdale 1371 Comment
  HSC7303  Eleocharis bella D. E. Anderson 1962-8-6 2327 Modoc Along Rush Creek paralleling Hwy. 299, 2 mi. E of Adin Comment
  CAS-BOT-BC112782  Eleocharis macrostachya R. F. Thorne; C. W. Tilforth 1969-9-5 39180 Modoc Wet margin of S Fork of Pit River at bridge, 3.8 mi E of Likely. 1386 Comment
  SJSU9588  Eleocharis macrostachya W. Savage 1979-7-5 1352 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 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
  UC1100732  Eleocharis palustris Calvin McMillan, Malcolm A. Nobs 1949-6-16 791 Modoc 33 mi NNW of Alturas (Dry Valley Reservoir) Comment
  RSA577446  Eleocharis palustris L. C. Wheeler 1935-9-1 3935 Modoc Pine Spring, Devil s Garden. 1524 Comment
  UCD49861  Eleocharis quinqueflora var. suksdorfiana Louis C. Wheeler 1935-7-15 3862 Modoc Dismal Swamp, twenty Mile Creek, Warner Mts., Modoc Co. 2225 Comment
  RSA210802  Eleocharis rostellata Robert F. Thorne, James Henrickson, C. W. Tilforth 1969-9-4 39105 Modoc N Fork of Pit River 3.4 mi N of Alturas where crossed by Highway 395. 1341 Comment
  UC1024909  Elymus X saxicola Leo Whitney 1935-7-3 3373 Modoc ca 17 mi nw Canby; Badger Wells Comment
  CAS-BOT-BC247741  Elymus elymoides subsp. elymoides Bruce Bartholomew; Barrett Anderson 1990-7-20 5478 Modoc 10.3 km N of Buck Creek Ranger Station, crest of Warner Mountains W side of Warner Mts. 2130 Comment
  CAS-BOT-BC247750  Elymus elymoides subsp. elymoides John Thomas Howell 1934-7-1 12324 Modoc Duncan Horse Camp. 1355 Comment
  CAS-BOT-BC247751  Elymus elymoides subsp. elymoides Bruce Bartholomew; Barrett Anderson 1988-7-21 4452 Modoc Vicinity of Patterson Campground, southern end of the Warner Mts. 2190 Comment
  CHSC34510  Elymus elymoides subsp. hordeoides J. D. Prouty 1980-8-9 1149 Modoc Ca. 2 mi e of Cedarville, n side of Rd 299 as it intersects w margin of Middle Alkali Lake. Comment
  HSC9710  Elymus glaucus M. T. Milligan 1966-6-28 475 Modoc East slope of volcanic plateau. 1677 Comment
  UCD32692  Elymus glaucus Beecher Crampton 1954-7-6 2107 Modoc Modoc County, Road 56, following Shields Creek into Warner Mountains, 22 miles east of Alturas. Comment
  UCD62306  Elymus glaucus Beecher Crampton; Carl Rimbey 1954-7-8 2174 Modoc Jess Valley, Warner Mountains, 15 miles east of Likely. Comment
  JEPS68562  Elymus glaucus subsp. glaucus Leland S. Smith 1918-8-11 1021 Modoc Camp One Lost Lake Trail (T38-16) 2438 Comment
  UCD62375  Elymus glaucus subsp. glaucus J. E. Coke 1932-11-1 Modoc Modoc County. Comment
  JEPS108708  Elymus lanceolatus B. Nino 2003-8-10 CA 320 71 Modoc Blue Lake roadside, 2.4 km N of lake 1902 Comment
  CHSC112390  Elymus spicatus L. P. Janeway; B. Castro 2014-6-3 11316 Modoc Great Basin. Top of knoll between the lower end of Long Canyon and the lower end of Poison Springs Canyon, overlooking north end of Surprise Valley. 1567 Comment
  HSC81819  Elymus spicatus G. M. Riegel 1980-6-30 790 Modoc S Warner Mtns. 1739 Comment
  UCD32709  Elymus trachycaulus Beecher Crampton 1954-7-7 2137 Modoc Modoc County, west side of Cedar Pass. Comment
  JEPS114843  Elymus trachycaulus subsp. subsecundus Lowell Ahart, John Dittes 2008-6-21 15014 Modoc On the south side of the dirt road, uplands, in Big Valley, about 3.8 miles (air) northeast of the Headquarters at Ash Creek State Wildlife Area, about 6.5 miles (air) northeast of Bieber 1264 Comment
  CAS-BOT-BC247724  Elymus trachycaulus subsp. trachycaulus Ernest Christian Twisselmann 1966-9-22 6576 Modoc Ridge at the SE end of Long Valley. 2042 Comment
  CAS-BOT-BC247725  Elymus trachycaulus subsp. trachycaulus Louis Cutter Wheeler 1935-8-4 3780 Modoc Pine Creek. 2103 Comment
  RSA185237  Elymus trachycaulus subsp. trachycaulus Jack Reveal 1963-7-21 582 Modoc Along the edges of Wet Meadow Comment
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  CHSC106190  Elymus triticoides Lowell Ahart; John Dittes 2010-8-31 17131 Modoc West side of Elkins Lane, about 10 yards south of the bridge across Ash Creek, Ash Creek State Wildlife Area, 4215 feet north of Lassen County line, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  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
  HSC16363  Epilobium anagallidifolium M. T. Milligan 1966-7-5 557 Modoc E of Jess Valley 1829 Comment
  CAS-BOT-BC191037  Epilobium angustifolium subsp. circumvagum Bruce Bartholomew 1991-7-6 5971 Modoc 0.8 km NE of Curtis Waterhole. 1310 Comment
  JEPS114669  Epilobium brachycarpum Lowell Ahart, John Dittes 2008-8-25 15277 Modoc On the west side of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout 1276 Comment
  SD135585  Epilobium brachycarpum B. Bartholomew 1991-6-21 5799 Modoc 1.6 km South of Davis Creek on U.S. Highway 395. 1449 Comment
  RSA157711  Epilobium brachycarpum I. L. Wiggins, Dorothy Wiggins 1961-6-12 16368 Modoc At junction of Cedar Pass road with California Highway 299, 5.5 miles N of Alturas. Comment
  UC1191731  Epilobium brachycarpum Verne Grant and Irving Schneider 1947-8-29 8354 Modoc at bridge by Coal Stone Valley; Pit River Comment
  CAS-BOT-BC190994  Epilobium ciliatum subsp. ciliatum Robert Folger Thorne; et al 1969-9-3 39023 Modoc SE end of Tule Lake Sump, 0.5 mi N of turnoff to Lava Beds National Monument. 1264 Comment
  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
  HSC16327  Epilobium ciliatum subsp. ciliatum M. T. Milligan 1965-6-23 306 Modoc N end of Jess Valley 1616 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
  UC1191735  Epilobium ciliatum subsp. ciliatum Herbert L. Mason and Verne Grant 1947-7-12 13390 Modoc irrigation ditch by Jones' Lane (off Hwy 395, several mi s of Alturas) Comment
  JEPS43817  Epilobium ciliatum subsp. glandulosum L. S. Smith 1917-8-3 897 Modoc South Fork Davis Creek Warner Mts. 2133 Comment
  CAS-BOT-BC190977  Epilobium densiflorum F. Angwin 1945-9-10 s.n. Modoc Adin. 1371 Comment
  JEPS114430  Epilobium densiflorum Lowell Ahart, John Dittes 2008-8-26 15341 Modoc On the bottom of Rose Creek, 550 feet southwest of confluence of Rose Creek and Pit River, on the northwest side of unnamed road,, 2860 feet east of intersection with County Road 85a, 9.3 miles (air) north-northeast of Lookout 1276 Comment
  CAS-BOT-BC190961  Epilobium hallianum Bruce Bartholomew 1991-8-5 6042 Modoc Squaw Peak Trail on N side of Squaw Peak, E side of Warner Mts. 2420 Comment
  POM37840  Epilobium hallianum R. M. Austin 1895-08 508 Modoc Goose Lake Valley Comment
  UC201727  Epilobium hallianum W. P. Taylor and H. C. Bryant 1910-7-13 Modoc head N. Fork Parker Cr. Warner Mountains (near stream) 2225 Comment
  CAS-BOT-BC190956  Epilobium hornemannii subsp. hornemannii Bruce Bartholomew; Barrett Anderson 1988-7-23 4571 Modoc Dismal Swamp, Warner Mts.. 2180 Comment
  CAS-BOT-BC190960  Epilobium hornemannii subsp. hornemannii Bruce Bartholomew 1991-8-5 6035 Modoc Squaw Peak Trail on N side of Squaw Peak, E side of Warner Mts. 2420 Comment
  CAS-BOT-BC190946  Epilobium obcordatum Elmer Ivan Applegate 1932-8-5 8170 Modoc Cedar Mt., Cedar Pass, Warner Mountains. Comment
  SEINET12861446  Epilobium obcordatum D. A. Charlet 1989-8-13 217 Modoc Warner Mountains, Eagle Peak 3011 Comment
  CAS-BOT-BC190936  Epilobium pallidum Alice Eastwood; John Thomas Howell 1940-6-13 8126 Modoc Near Davis Creek. Comment
  CAS-BOT-BC190872  Epilobium pygmaeum Robert Folger Thorne; et al 1969-9-4 39122 Modoc Margin of N Fork of Pit River, 3.4 mi. N of Alturas from crossing by Hwy 395. 1341 Comment
  CAS-BOT-BC190873  Epilobium pygmaeum John Thomas Howell 1934-7-2 12351 Modoc Morvitz Creek, 1 mi. S of Clear Lake. Comment
  JEPS119671  Epilobium torreyi Lowell Ahart, John Dittes 2012-7-11 18350 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-BC30223  Equisetum arvense Bruce Bartholomew 1989-7-14 4927 Modoc Along Rush Creek between Lower and Upper Rush Creek Campgrounds. 1580 Comment
  CAS-BOT-BC30224  Equisetum arvense Alice Eastwood; John Thomas Howell 1940-6-13 8182 Modoc E side of Cedar Pass. Comment
  RSA520484  Equisetum arvense Bruce Bartholomew 1989-7-14 4927 Modoc Along Rush Creek between Lower and upper Rush Creek Campgrounds. 1520 Comment
  CAS-BOT-BC30178  Equisetum laevigatum Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16397 Modoc Roadside, at Thoms Creek, 6.1 mi. E of Calif. St. Highway 299, on Cedar Pass road. Comment
  JEPS123858  Equisetum laevigatum Lowell Ahart, John Dittes 2015-7-16 20393 Modoc Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. Comment
  HSC862  Equisetum laevigatum M. T. Milligan 1965-6-23 291 Modoc E of Jess Valley 1616 Comment
  CAS-BOT-BC95496  Eremogone aculeata Francis Dorris Payne 1929-7-26 s.n. Modoc Mt. Warren, Warner Mts. Comment
  CAS-BOT-BC95450  Eremogone congesta R. K. Gierisch; D. H. Esplin 1969-7-15 3544 Modoc unspecified 1524 Comment
  CAS-BOT-BC95455  Eremogone congesta C. L. Hitchcock 1940-5-28 6728 Modoc 15 mi. N of Alturas. 1402 Comment
  CAS-BOT-BC95451  Eremogone congesta John H. Hatton 1911-6-12 41 Modoc Modoc County. 1524 Comment
  CHSC118082  Eremogone congesta var. subcongesta L. P. Janeway 2016-5-18 12054 Modoc Modoc Plateau. Between Goose Lake and the Devils Garden area; uplands along southwest side of Goose Lake about 2.1 air-km southwest of north end of Road 48 causeway across the lake. 1434 Comment
  RSA0049632  Eremogone congesta var. suffrutescens Dean Wm. Taylor 2012-6-5 21221 Modoc Vicinity Crank Spring (11 air miles North of Lookout) 1365 Comment
  JEPS32963  Ericameria bloomeri W. L. Jepson 1918-8-13 7963 Modoc Eagle Peak Warner Mts., Eagle Peak 2682 Comment
  CAS-BOT-BC14778  Ericameria discoidea Francis Dorris Payne 1932-7-21 727 Modoc Mt. Warren, Warner Mts. Comment
  CAS-BOT-BC14822  Ericameria greenei Bruce Bartholomew 1990-8-4 5628 Modoc Slope on N side of Pine Creek Basin on trail to Patterson Lake, W side of Warner Mts. 2610 Comment
  HSC81131  Ericameria greenei G. M. Riegel 1980-8-29 1126 Modoc South Warner Mtns. 1829 Comment
  UC193100  Ericameria nauseosa var. oreophila Mrs. R. M. Austin 1894-8-1 Modoc n of Alturas Comment
  UC1281347  Ericameria nauseosa var. speciosa H. E. McMinn 1931-5-23 2478 Modoc Warren Mts., Fandango Pass Comment
  CAS-BOT-BC383141  Ericameria nauseosa var. washoensis Andrew Townesmith; Karen M. Meyer 2007-9-15 927 Modoc Modoc National Forest, Warner Mountain Ranger District. Along state route 299, 10.9 miles west of junction with US route 395. At Cedar Pass 1928 Comment
  UC31497  Erigeron Milo S. Baker 1893-8-9 Modoc Comment
  CAS-BOT-BC42836  Erigeron austiniae Gordon H. True 1964-6-3 1458 Modoc N Fork Pit River between Alturas and Goose Lake. 1463 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-BC42807  Erigeron bloomeri var. bloomeri M. M. Hanna 1956-6-3 s.n. Modoc Hiway between Alturas & Cedarville, Calif. Comment
  CHSC112854  Erigeron bloomeri var. bloomeri L. P. Janeway; B. Castro 2014-6-2 11281 Modoc Great Basin. Along County Road 5 1.0 km west of the southwest corner of Cow Head Lake. 1627 Comment
  UC895621  Erigeron bloomeri var. bloomeri C. L. Hitchcock 1940-5-27 6669 Modoc 15 mi e Alturas 1615 Comment
  CHSC66995  Erigeron chrysopsidis var. austiniae James D. Jokerst 1987-5-13 2861 Modoc Radar Survey Site S of Doublehead Mtn., S of Clear Lake Reservoir, S end of northern sector. 1371 Comment
  UCD131287  Erigeron chrysopsidis var. austiniae Beecher Crampton 1960-6-17 5686 A Modoc 5 miles south of Perez, Plant Quarantine Station area. 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
  UC87559  Erigeron divergens Mrs. R. M. Austin 1894-1-1 Modoc Goose Lake Valley Comment
  CAS-BOT-BC42778  Erigeron divergens Milo Samuel Baker; Franklin P. Nutting 1894-1-1 s.n. Modoc unspecified Comment
  CHSC117880  Erigeron eatonii var. plantagineus L. P. Janeway 2016-5-17 12010 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
  RSA518731  Erigeron eatonii var. plantagineus Barbara Ertter 1988-6-18 7628 Modoc Hwy. 139 14.5 miles ENE of jct. Hwy 299 at Canby, N of Bessler Reservoir 1463 Comment
  HSC81104  Erigeron eatonii var. plantagineus G. M. Riegel 1980-8-13 1063 Modoc S Warner Mts. 2100 Comment
  CAS-BOT-BC42769  Erigeron elegantulus Alice Eastwood; John Thomas Howell 1940-6-14 8238 Modoc Between Mammoth Cave and Lava Beds Nat. Mon. Comment
  CAS-BOT-BC49613  Erigeron glacialis var. glacialis Elmer Ivan Applegate 1932-8-1 8021 Modoc Just N of Warren Peak. Comment
  CAS-BOT-BC49614  Erigeron glacialis var. glacialis Elmer Ivan Applegate 1932-8-7 8238 Modoc Lily Lake, Bidwell Pass, Warner Mountains Comment
  CAS-BOT-BC49610  Erigeron linearis John Thomas Howell 1934-6-12 12007 Modoc Between Davis Creek and Plum Valley. Comment
  CAS-BOT-BC49611  Erigeron linearis Alice Eastwood; John Thomas Howell 1940-6-12 8083 Modoc Jess Valley. Comment
  CAS-BOT-BC49640  Erigeron linearis Harry Dwight Dillon Ripley; Rupert Charles Barneby 1944-5-31 5996 Modoc NW of Alturas 1524 Comment
  CAS-BOT-BC49641  Erigeron linearis Alice Eastwood; John Thomas Howell 1940-6-12 8083 Modoc Jess Valley. Comment
  CAS-BOT-BC49644  Erigeron linearis M. M. Hanna 1956-6-7 Modoc Highway 139, between Canby and Tienesta. Comment
  CAS-BOT-BC49645  Erigeron linearis Fred D. Douthitt 1916-5-11 13 Modoc Juniper Flats, Modoc N.F. 1524 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
  CAS-BOT-BC49643  Erigeron linearis R. M. Austin 1894-6-1 s.n. Modoc Lava beds W of Willow Creek. Comment
  HSC5571  Erigeron linearis M. S. Baker 5 Jul [year missing] Modoc Adobe Meadow, Dixey Valley Comment
  JEPS41573  Erigeron linearis L. S. Smith 1918-6-23 962 Modoc High Grade District of Modoc Forest; , High Grade District 2286 Comment
  UC190610  Erigeron linearis M. F. Gilman 667 Modoc Comment
  CAS-BOT-BC49583  Erigeron philadelphicus C. C. (Mrs.) Bruce 1899-8-1 s.n. Modoc Goose Lake. Comment
  JEPS5923  Erigeron philadelphicus var. philadelphicus Frances D. Payne 1931-6-20 202 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  CAS-BOT-BC49584  Erigeron pumilus subsp. intermedius Mrs. H. C. Cantelow 1935-6-8 863 Modoc unspecified Comment
  SJSU9650  Erigeron pumilus var. intermedius W. Savage 1979-7-8 1485 Modoc N end Fairchild Swamp Unit, Triangle, Devils Garden District, Modoc National Forest 1493 Comment
  JEPS57043  Eriogonum douglasii var. meridionale Frances D. Payne 1932-6-26 605 Modoc s and e Alturas (high ridges n of Parker Creek); Warner Mountains, Parker Creek 1828 Comment
  UC6272  Eriogonum douglasii var. meridionale Mrs. C. C. Bruce June 1898 2315 Modoc Lake City Mt. Comment
  HSC80877  Eriogonum elatum G. M. Riegel 1980-7-29 954 Modoc S Warner Mtns. 1739 Comment
  CAS-BOT-BC197808  Eriogonum heracleoides var. heracleoides Elmer Ivan Applegate 1932-8-1 8006 Modoc Warner Mts. S of Warren Peak. Comment
  CAS-BOT-BC197818  Eriogonum heracleoides var. heracleoides Robert Patterson; Mona Bourell 1993-8-15 5238 Modoc Warner Mountains. Along trail from Patterson Lake to ca. 2 mi north towards Pepperdine Trailhead. 2743 Comment
  CHSC109507  Eriogonum heracleoides var. heracleoides L. P. Janeway; B. Castro 2012-7-26 11001 Modoc Warner Mountains. Along Highgrade National Recreation Trail 0.9 km south of Little Lily Lake and 1.4 air km north of Mt. Vida. 2340 Comment
  RSA601441  Eriogonum heracleoides var. heracleoides Louis C. Wheeler 1935-8-2 3750 Modoc Warner Mountains: Twenty Mile Creek. 2195 Comment
  SEINET5330206  Eriogonum heracleoides var. heracleoides A. Sanger 1996-7-12 2413 Modoc Paynes Peak, along crest, near radio tower 2182 Comment
  NY282139  Eriogonum microthecum var. ambiguum B. M. Bartholomew 1990-6-17 5323 Modoc E side of Surprise Valley, 9.6 km E of Eagleville at the Nevada border. 1580 Comment
  UC217575  Eriogonum microthecum var. laxiflorum H. M. Hall 1921-9-9 11665 Modoc 6 mi from Malin Comment
  CAS-BOT-BC197798  Eriogonum microthecum var. microthecum John Thomas Howell 1934-6-13 12098 Modoc Patterson Mill Road, Warner Mts. 1676 Comment
  CAS-BOT-BC498762  Eriogonum nudum L. S. Smith no date on label; likely 1924 1431 Modoc Modoc Forest Comment
  CAS-BOT-BC211413  Eriogonum nudum var. pubiflorum Francis Dorris Payne 1929-7-26 127 Modoc Pine Creek Basin, Warner Mts. 2316 Comment
  CAS-BOT-BC211442  Eriogonum nudum var. pubiflorum Noel Herman Holmgren; J. L. Reveal 1964-8-21 1717 Modoc About 5 miles SW of Eagleville on the Eagleville-Likely Road. Modoc National Forest, Warner Range Comment
  CHSC109468  Eriogonum nudum var. pubiflorum L. P. Janeway; B. Castro 2012-7-28 11037 Modoc Warner Mountains. At Obsidian Needles Obsidian Collecting Area; along Road 45N34 loverlooking North Fork Davis Creek about 6.0 air km east-northeast of the community of Davis Creek (on Hwy 395). 1905 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
  SEINET5333097  Eriogonum nudum var. pubiflorum R. R. Halse 2004-7-22 6671 Modoc Along U.S. Hwy 395, ca. 6 miles north of Alturus 1341 Comment
  UC711834  Eriogonum nudum var. pubiflorum Roxana S. Ferris and Laura Lorraine 1941-8-13 10574 A Modoc Patterson Ranger Station (East Creek Drainage) Warner Mountains, Modoc National Forest 2164 Comment
  CAS-BOT-BC211403  Eriogonum nudum var. pubiflorum Harry Dwight Dillon Ripley; Rupert Charles Barneby 1944-6-1 6030 Modoc Canyon of Warner Mts. back of Cedarville. 1219 Comment
  CAS-BOT-BC211432  Eriogonum nudum var. pubiflorum Leland S. Smith 1924-6-22 1431 Modoc Along Lava Trail west of Lava R.S. 1325 Comment
  RSA66352  Eriogonum nudum var. pubiflorum F. W. Peirson 1926-6-25 6861 Modoc West slope of Warner Mountains on Cedarville Road. Comment
  SEINET5330941  Eriogonum nudum var. pubiflorum M. J. Williams 1984-6-30 84- 76 -1 Modoc Cedar Pass Road, Warner Mtns., 1.7 mi W of Cedarville. 1509 Comment
  SJSU12037  Eriogonum nudum var. pubiflorum E. S. O'Neill 1984-9-11 Modoc near Odin 1371 Comment
  UCD100705  Eriogonum nudum var. pubiflorum Richard R. Halse 1991-7-28 4244 Modoc along State Hwy. 139, 13 miles NW of its junction with State Hwy 299. 1469 Comment
  CAS-BOT-BC211396  Eriogonum ovalifolium var. nivale Bruce Bartholomew 1992-8-8 6367 Modoc Summit Trail at pass on W ridge of Warren Peak, E side of Warner Mountains. 2870 Comment
  UC1567366  Eriogonum ovalifolium var. nivale G. Schoolcraft 1989-7-16 1957 Modoc e Patterson Lake; Warner Mtns. 2804 Comment
  SEINET5330021  Eriogonum prociduum J. L. Reveal 1971-6-22 2462 Modoc Along U.S. Highway 395, 3.5 miles north of the junction of U.S. 395 with California Highway 299, and 1.2 miles north of the Chimney Rock Turnoff. 1402 Comment
  HSC17341  Eriogonum spergulinum var. reddingianum M. T. Milligan 1966-8-3 624 Modoc W slope of Eagle Peak 2439 Comment
  CAS-BOT-BC211387  Eriogonum sphaerocephalum var. halimioides Roxana Stinchfield Ferris; R. Duthie 1919-6-14 134 Modoc Above Parker Creek. Modoc National Forest Comment
  SJSU9540  Eriogonum sphaerocephalum var. halimioides W. Savage 1979-7-3 1279 Modoc Triangle: Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  UC1334498  Eriogonum sphaerocephalum var. halimioides Dorothy E. Beetle 1941-6-29 66 Modoc at the pass of the road to Cedarville 2118 Comment
  UC6459  Eriogonum sphaerocephalum var. halimioides M. S. Baker and Frank Nutting June 1894 Modoc near Egg Lake Comment
  CAS-BOT-BC211355  Eriogonum strictum subsp. anserinum G. D. Hanna; M. M. Hanna 1956-6-5 Modoc Cedar Pass. Comment
  CAS-BOT-BC211354  Eriogonum strictum subsp. anserinum Elmer Ivan Applegate 1936-7-5 10524 Modoc Lava Beds National Monument. Junction of Medicine Lake and Indian Cave Road. Comment
  UC1035865  Eriogonum strictum var. anserinum Annie M. Alexander and Louise Kellogg 1946-7-11 4971 Modoc ne corner of mesa w Eight Mile Creek Comment
  CAS-BOT-BC211370  Eriogonum umbellatum Robert Patterson; Mona Bourell 1993-8-15 5252 Modoc Warner Mountains. Along trail from Patterson Lake to ca. 2 mi north towards Pepperdine Trailhead. 2743 Comment
  CAS-BOT-BC211371  Eriogonum umbellatum Bruce Bartholomew 1992-8-8 6368 Modoc Summit Trail at pass on W ridge of Warren Peak, E side of Warner Mountains. 2870 Comment
  CAS-BOT-BC267857  Eriogonum umbellatum var. aureum G. D. Hanna; M. M. Hanna 1956-6-5 s.n. Modoc Cedar Pass Comment
  HSC43014  Eriogonum umbellatum var. dichrocephalum J. P. Smith, J. O. Sawyer 1973-8-8 7230 Modoc Near summit of Eagle Peak 2988 Comment
  CAS-BOT-BC211334  Eriogonum umbellatum var. glaberrimum Dr. Steve Edwards 1986-6-1 s.n. Modoc Lily Lake, N Warner Mts. Comment
  HSC12278  Eriogonum umbellatum var. glaberrimum Richard Spjut 1970-7-22 872 Modoc N Warner Mtns., 6 mi. from Lake City, on Rd. to Plum Valley Campground 1982 Comment
  RSA0118776  Eriogonum umbellatum var. modocense Lawrence P. Janeway, B. Castro 2012-7-24 10976 Modoc Warner Mountains. Northweatern flank of Mount Bidwell; 1.2 air km south of Dismal Swamp. 2362 Comment
  UC1395160  Eriogonum umbellatum var. modocense James L. Reveal 1971-6-22 2461 Modoc along U.S. Highway 395 at Davis Creek Davis Creek 1453 Comment
  UC85975  Eriogonum umbellatum var. modocense Oliver Austin July 1884 Modoc Goose Lake Valley Comment
  HSC17347  Eriogonum umbellatum var. modocense M. T. Milligan 1964-6-20 47 Modoc E A St. near Hwy. 395, Alturas 1372 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
  CAS-BOT-BC197794  Eriogonum umbellatum var. nevadense Elmer Ivan Applegate 1932-8-1 8014 Modoc Just S of Warren Peak. Comment
  NY399269  Eriogonum umbellatum var. nevadense M. J. Williams 1984-7-1 8487- 6 Modoc Northwest of Alturas, Crowder Flat Road, near Big Sage Reservoir 1371.6 Comment
  NY399274  Eriogonum umbellatum var. nevadense B. Anderson 1986-7-9 3158 Modoc Warner Mountains. Highway 299 just west of Cedar Pass. 1920 Comment
  UC1037216  Eriogonum umbellatum var. nevadense Leo Whitney 1934-5-19 1575 Modoc Timbered Mountain, Devil's Garden Modoc National Forest, Devil's Garden, Timbered Mountain 1524 Comment
  UC412839  Eriogonum umbellatum var. nevadense Milo S. Baker Modoc near Egg Lake Comment
  CAS-BOT-BC197617  Eriogonum umbellatum var. polyanthum John Thomas Howell 1934-7-1 12327 Modoc Duncan Horse Camp. 1355 Comment
  CAS-BOT-BC197777  Eriogonum umbellatum var. polyanthum Annie Montague Alexander; L. Kellogg 1946-7-30 5094 Modoc East slope below summit of Eagle Peak. Comment
  CAS-BOT-BC197780  Eriogonum umbellatum var. polyanthum Barrett Anderson 1986-7-9 3158 Modoc Warner Mts, Hwy 299 just W of Cedar Pass. 1920 Comment
  CAS-BOT-BC197781  Eriogonum umbellatum var. polyanthum Margaret J. Williams 1984-7-1 84- 86 -3 Modoc 3.1 mi N of Hwy 299 on Crowder Flat road. 1341 Comment
  POM105169  Eriogonum umbellatum var. polyanthum R. M. Austin 1895-07 434 Modoc Goose Lake Valley. Comment
  LA84252  Eriogonum vimineum O. H. Kappler; 1949-7-26 sn Modoc S of Alturas, along highway 395 1402 Comment
  CAS-BOT-BC49566  Eriophyllum lanatum Barrett Anderson 1986-7-10 3192 Modoc West Warner Rd N of North Fork of Pine Creek. 1965 Comment
  CHSC112350  Eriophyllum lanatum var. achilleoides L. P. Janeway; B. Castro 2014-2-6 11283 Modoc Great Basin. Along County Road 5 1.0 km west of the southwest corner of Cow Head Lake. 1627 Comment
  POM66628  Eriophyllum lanatum var. achilleoides Mrs. R. M. Austin 1896-07 567 Modoc Goose Lake Valley Comment
  UC201710  Eriophyllum lanatum var. achilleoides W. P. Taylor and H. C. Bryant 1910-7-13 Modoc Head N. Fork Parker Cr. Warner Mountains, Head N. Fork Parker Cr. 2286 Comment
  UC711856  Eriophyllum lanatum var. achilleoides Roxana S. Ferris and Laura Lorraine 1941-8-13 10512 Modoc e Creek drainage Patterson Ranger Station; Modoc National Forest, Warner Mountains 2164 Comment
  UC1484471  Eriophyllum lanatum var. achilleoides Dale E. Johnson with J. E. Eckenwalder 1974-6-15 130 Modoc 1.6 w of crossing of Pit River on Hwy 299 (Adin-Canby road) (sw of Canby); Hwy 299, Pit River Comment
  UC896365  Eriophyllum lanatum var. achilleoides A. A. Heller 1938-7-12 15257 a Modoc near w base Deer Mountain (on U.S. Highway 97) Comment
  RSA78965  Eriophyllum lanatum var. cuneatum E. K. Balls, Percy C. Everett 1952-10-11 18162 Modoc 4.9 miles west of turnoff to Lava Beds Monument, on road to Pumice Pits at east edge of Glass Flow 1280 Comment
  JEPS6031  Eriophyllum lanatum var. integrifolium Frances D. Payne 1929-6-28 30 Modoc s and e of Alturas; Warner Mountains, Parker Creek 1584 Comment
  SBBG30613  Eriophyllum lanatum var. integrifolium D. Myrick 1968-6-20 1966 Modoc Cedar Pass Rd, St Hwy 299, 10 mi E of Alturas 1371 Comment
  UC196835  Eriophyllum pringlei unknown 1878-5-1 Modoc Surprise Valley Comment
  CAS-BOT-BC180085  Erodium cicutarium Bruce Bartholomew; Mona Bourell 1990-4-26 5150 Modoc 0.5 km S of Day. 1100 Comment
  CHSC107349  Erodium cicutarium Lowell Ahart; John Dittes 2011-6-22 17538 Modoc At 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. 1262 Comment
  HSC8473  Erodium cicutarium M. T. Milligan 1965-6-26 322 Modoc N end Jess Valley. 1616 Comment
  UC68059  Erodium cicutarium Mrs. M. H. Manning 1903-3-29 61 Modoc near Fort Bidwell (ne Modoc Co.) Comment
  CAS-BOT-BC180084  Erodium cicutarium Lindsay Stuart Smith; E. H. Steffen 1917-5-26 10 Modoc West Valley Camp. 1554 Comment
  UC635846  Eryngium alismifolium Louis C. Wheeler 1935-8-21 3900 Modoc Pine Spring, Devils Garden 1524 Comment
  CAS-BOT-BC21479  Eryngium articulatum Leland S. Smith 1917-9-18 163 Modoc Little Grizzly Ranger Station. 1828 Comment
  JEPS94841  Eryngium articulatum Vernon H. Oswald and Lowell Ahart 1998-9-8 9589 Modoc County Road 93 adjacent to the Rail Road at Lookout Junction nw of Lookout; County Road 93 1280 Comment
  RSA210855  Eryngium articulatum R. F. Thorne, C. W. Tilforth 1969-9-4 39059 Modoc 2 mi W of Davis Creek (town), S of Goose Lake. 1433 Comment
  RSA504596  Eryngium articulatum Bruce Bartholomew, B. Anderson 1988-6-23 4289 Modoc South side of Egg Lake, ca. 1.5 km west of the Burlington Northern railroad track 1300 Comment
  UC1487310  Eryngium mathiasiae Gregg Riegel 1981-6-10 Modoc N of Canby (along Loveness Road around reservoir) 1524 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
  RSA520352  Erysimum capitatum Bruce Bartholomew, B. Anderson 1989-6-3 4897 Modoc Ca 9 km SSW of Timber Mountain. 1370 Comment
  CDA3714  Erysimum cheiranthoides T. C. Fuller 1958-7-8 1956 Modoc Corporation Ranch, Likely. 0 Comment
  CDA3715  Erysimum cheiranthoides T. C. Fuller 1958-8-12 2071 Modoc Corporation Ranch, Likely. 0 Comment
  CAS-BOT-BC54941  Erysimum perenne Mrs. H. C. Cantelow 1935-6-8 874 Modoc Northeast of Bieber. Comment
  CAS-BOT-BC229922  Erythranthe guttata Leland S. Smith 1922-7-20 1308 Modoc Rush Creek Ranger Station. 1905 Comment
  CAS-BOT-BC234506  Erythranthe guttata John Thomas Howell 1934-6-12 11996 Modoc 6 mi. S of Davis Creek. Comment
  CAS-BOT-BC234516  Erythranthe guttata Bruce Bartholomew 1992-5-15 6286 Modoc Vicinity of Leonard Hot Spring, E side of Surprise Valley. 1370 Comment
  CAS-BOT-BC229923  Erythranthe guttata John H. Hatton 1911-5-13 75 Modoc Modoc County. 1463 Comment
  SEINET8380161  Erythranthe latidens B. Bartholomew 1993-6-12 6577 Modoc Road to Day Rock from Little Hot Spring Valley. 1250 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-BC234459  Erythranthe primuloides Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10566 A Modoc East Creek ca. 1 mi. E of Patterson Ranger Station. Comment
  CAS-BOT-BC234462  Erythranthe primuloides Bruce Bartholomew 1990-6-15 5239 Modoc SE corner of Sweagert Flat. 1860 Comment
  RSA520358  Eschscholzia californica subsp. californica Bruce Bartholomew, B. Anderson 1989-6-3 4917 Modoc 9 km W of County Route 91 along the N side of the Pit River 1340 Comment
  CAS-BOT-BC95710  Euphorbia serpillifolia John Thomas Howell 1934-7-2 12352 Modoc Morvitz Creek, 1 mi. S of Clear Lake. Comment
  CAS-BOT-BC95713  Euphorbia serpillifolia Bruce Bartholomew 1991-8-4 6015 Modoc W side of Goose Lake, 10.5 km N of McGinty Point. 1460 Comment
  CAS-BOT-BC95714  Euphorbia serpillifolia Verne Grant; I. Schneider 1947-7-20 8089 Modoc Dorris Reservoir. Comment
  CAS-BOT-BC95715  Euphorbia serpillifolia Annie Montague Alexander; L. Kellogg 1946-6-20 4808 Modoc Eagleville. 1440 Comment
  CAS-BOT-BC95711  Euphorbia serpillifolia Belknap C. Goldsmith 1912-8-6 84 Modoc W side of Goose Lake. 1463 Comment
  SD215505  Euphorbia serpillifolia Louis C. Wheeler 1973-8-24 Modoc Warner Mountains; Sworinger Reservoir. 1798 Comment
  CAS-BOT-BC247710  Festuca idahoensis Alan Ackerman Beetle 1941-6-29 2833 Modoc Near summit of Mt. Adin. 1828 Comment
  CAS-BOT-BC247711  Festuca idahoensis John Thomas Howell 1934-6-30 12293 Modoc Duncan Horse Camp. 1355 Comment
  CAS-BOT-BC247701  Festuca occidentalis Bruce Bartholomew; Barrett Anderson 1988-7-21 4430 Modoc Whipple Spring, E side of Whitehorse Flat Reservoir. 1340 Comment
  UC1024863  Festuca occidentalis Leo Whitney 1935-6-1 3162 b Modoc ca 18 mi wnw Canby; Hole-in-the-Rock Comment
  JEPS69254  Festuca pratensis L. S. Smith 1917-7-23 121 Modoc Joseph Creek Warner Mts. 1828 Comment
  UCD66351  Festuca rubra L. Whitney 1935-7-7 Modoc Howard Gulch. Comment
  CAS-BOT-BC214649  Fragaria virginiana Bruce Bartholomew 1994-5-29 6743 Modoc Slopes adjacent to Roney Flat. 1460 Comment
  CAS-BOT-BC217079  Frangula rubra Bruce Bartholomew 1989-8-11 5077 Modoc Fandango Pass, Warner Mountains. 1860 Comment
  SD133989  Fraxinus latifolia B. Bartholomew 1991-7-6 5982 Modoc West side of Egg Lake. 1299 Comment
  UC22607  Fraxinus latifolia Milo S. Baker Jun 8 1893-Jun 25 1893 Modoc Egg Lake, Lava Bed side Egg Lake Comment
  UCR71889  Fraxinus latifolia B. Bartholomew 1991-7-6 5982 Modoc W side of Egg Lake. 1300 Comment
  CAS-BOT-BC242108  Fritillaria atropurpurea Mrs. H. C. Cantelow 1941-5-12 s.n. Modoc 2 mi. W of Adin summit on U.S. Hwy. 299. Comment
  CAS-BOT-BC242104  Fritillaria atropurpurea E. H. Steffen 1917-6-21 50 Modoc Henderson Meadow. 1676 Comment
  CAS-BOT-BC242105  Fritillaria atropurpurea Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16414 A Modoc Near sumit of Cedar Pass between Alturas and Cedarville. 1927 Comment
  CAS-BOT-BC242092  Fritillaria pudica Francis Dorris Payne 1932-4-22 386 Modoc Parker Creek. 1584 Comment
  CHSC30634  Fritillaria pudica N. E. H. Prouty 1980-6-2 171 Modoc Sheep Rock T. S. Rising above Dry Creek. Modoc Nat. Forest, Warner Mt. District. Comment
  UC3662  Fritillaria pudica Mrs. R. M. Austin May, 1894 Modoc Goose Lake Valley; Northern California, Goose Lake Valley Comment
  HSC15555  Fritillaria pudica M. T. Milligan 1964-4-25 Modoc 1 mi. up Barns Grade Rd. at stock pens Comment
  JEPS61946  Fritillaria pudica Mary H. Manning 1912-4 Modoc Tule Lake Comment
  RSA520504  Fritillaria recurva Bruce Bartholomew, M. Bourell 1990-4-26 5152 Modoc 0.5 km S of Day. 1100 Comment
  CAS-BOT-BC225044  Galium aparine Bruce Bartholomew; Barrett Anderson 1989-6-3 4864 Modoc Quaking Aspen Spring, between Goose Lake and Clear Lake Reservoir. 1500 Comment
  CAS-BOT-BC225045  Galium aparine Bruce Bartholomew 1991-6-21 5803 Modoc Vicinity of Lily Lake, N end of the Warner Mountains. 2030 Comment
  CAS-BOT-BC225058  Galium bifolium Bruce Bartholomew; Barrett Anderson 1989-6-2 4843 Modoc Vicinity of Stough Reservoir, Warner Mountains. 1950 Comment
  CAS-BOT-BC225067  Galium glabrescens subsp. modocense Bruce Bartholomew 1995-7-31 7089 Modoc Top of a rocky knob, E of Bald Mountain, E side of the Warner Mts. 2160 Comment
  CHSC77231  Galium glabrescens subsp. modocense G. Schoolcraft. 1999-6-9 2830 Modoc About 2.5 mi N of Eagleville. 1584 Comment
  RSA610763  Galium serpenticum subsp. warnerense Louis C. Wheeler 1935-8-6 3794 Modoc Edge of Warner Mts, 1/4 mile E Pine Cree (Town). 1555 Comment
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Mar 3 2009
  SD70510  Galium serpenticum subsp. warnerense Lauramay T. Dempster, Clare Hardham 1961-6-19 1710 Modoc Mouth of canyon just southeast of New Pine Creek. Steep dry southwest slope, in clefts and bases of rocks 1584 Comment
  UC1192008  Galium trifidum var. pacificum Verne Grant and Irving Schneider 1947-8-24 8254 Modoc in creek Warner Mountains, Jess Valley Comment
  UC416653  Galium triflorum Milo S. Baker 1893-1 Modoc Forestdale Comment
  POM319052  Gayophytum Patricia Wilder 1971-6-20 5060 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
  RSA666401  Gayophytum decipiens Barbara Ertter 1988-6-18 7624 Modoc Hwy 139 ca 50 airmiles SW of Klamath Falls, a few miles N of Agric. Inspection State, 1 mi S of S jct to Lava Beds Nat l Monument E of Tonesta. 1311 Comment
  SBBG103626  Gayophytum diffusum subsp. parviflorum H. Bartholomew 1989-7-14 4948 Modoc ca. 8 km NE of Egg lake and 2.5 km E of Service Gulch 1340 Comment
  SD135582  Gayophytum diffusum subsp. parviflorum B. Bartholomew 1989-7-14 4948 Modoc Ca. 8.0 km NE of Egg Lake and 2.5 km E of Survice Gulch. 1340 Comment
  JEPS27503  Gayophytum racemosum W. L. Jepson 1918-8-7 7889 Modoc Mt. Bidwell 2468 Comment
  NY999596  Gayophytum racemosum M. S. Baker 1894-6-29 s.n. Modoc Big Valley Comment
  UC205189  Gayophytum racemosum W. P. Taylor and H. C. Bryant 1910-7-13 Modoc N. Fork Parker Cr. Warner Mountains (head) 2225 Comment
  UC71845  Gayophytum ramosissimum Mrs. M. H. Manning 1902-7 236 Modoc near Ft. Bidwell (ne Modoc Co.) Comment
  CAS-BOT-BC190822  Gayophytum ramosissimum Elmer Ivan Applegate 1936-5-22 10354 Modoc Lower part of Lyon Road, Lava Beds National Monument. Comment
  UC571132 Image available Geranium attenuilobum F. H. Frost 1925-7-26 113 Modoc Jess Valley Warner Mts.; Jess Valley, Warner Mts., Modoc Co. Comment
  CAS-BOT-BC180057  Geranium viscosissimum Leland S. Smith 1917-7-10 93 Modoc Granger Mill Camp. 1828 Comment
  CAS-BOT-BC180068  Geranium viscosissimum Roxana Stinchfield Ferris; R. Duthie 1919-6-14 114 Modoc Parker Creek. Comment
  CAS-BOT-BC180076  Geranium viscosissimum Leland S. Smith 1924-6-29 1443 Modoc Happy Camp Ranger Station. Comment
  RSA0029592  Geranium viscosissimum var. nervosum C. L. Hitchcock 1940-5-27 6703 Modoc 15 miles NE of Alturas. 1677 Comment
  UC71600  Geum macrophyllum Mrs. M. H. Manning 1903-6 172 Modoc near Fort Bidwell (in north-eastern Modoc County) Comment
  CAS-BOT-BC214663  Geum triflorum Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-14 16480 Modoc Along Lassen Creek on road to Davis Creek, Warner Mts. Comment
  CAS-BOT-BC214683  Geum triflorum Robert Patterson; Mona Bourell 1993-8-15 5250 Modoc Warner Mountains. Along trail from Patterson Lake to ca. 2 mi north towards Pepperdine Trailhead. 2743 Comment
  HSC18640  Geum triflorum M. T. Milligan 1964-6-17 40 Modoc 1 mi. N of Hwy. 139 on FS Rd. 44N15 1524 Comment
  CAS-BOT-BC214662  Geum triflorum Elmer Ivan Applegate 1936-5-11 10273 Modoc Post Office Cavern, Lava Beds National Monument. Comment
  UC465638  Geum triflorum M. F. Gilman 637 Modoc Comment
  UCD113307  Geum triflorum Geo C. Wood 1940-4-24 s.n. Modoc Spaulding Ranch, 20 miles n.e. of Alturas. 1371 Comment
  RSA59708  Geum triflorum var. ciliatum E. K. Balls 1950-5-20 14792 Modoc South Fork Public Camp, South Fork Pit River, Likely to Clear Lake. 1433 Comment
  SEINET6709585  Geum triflorum var. ciliatum M. J. Williams 1984-7-1 84- 87 -2 Modoc Northwest of Alturas, Crowder Flat Rd., near Big Sage Reservoir 1372 Comment
  SEINET196555  Gilia capillaris Verne Grant, Alva Grant 1947-7-13 8013 Modoc At west end of Fandango Valley road from Goose Lake to Fort Bidwell Comment
  RSA63721  Gilia congesta var. montana Verne Grant, Alva Grant 1950-7-14 8944 Modoc North flank of Cedar peak near summit, Warner Mts., Modoc Co. 2287 Comment
  CAS-BOT-BC190693  Gilia inconspicua Elmer Ivan Applegate 1935-6-5 9321 Modoc Captain Jack's Stronghold, Lava Beds National Monument. 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
  RSA534555  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
  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
  HSC67887  Gnaphalium palustre J. P. Smith, J. O. Sawyer 1973-8-9 7260 Modoc Blue Lake, Modoc National Forest. 1829 Comment
  CHSC85149  Gratiola ebracteata John Dittes; Josephine Guardino 1991-7-21 444 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
  CHSC112837  Gratiola neglecta Lowell Ahart; John Dittes 2013-7-24 18917 Modoc Around a man made pond, north side of Ash Creek Floodplain, 0.54 mile (air) southeast of Pilot Butte Parking Area, 1.1 miles (air) south of County Road 87, 6.8 miles (air) west of Adin, Big Valley. 1263 Comment
  CHSC99253  Gratiola neglecta Lowell Ahart; John Dittes 2008-6-21 14993 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
  RSA520366  Grayia spinosa Bruce Bartholomew, B. Anderson 1989-4-29 4682 Modoc 9-11 km E of Fort Bidwell on road to Fee Reservoir, NE corner of Surprise Valley. 457 Comment
  CAS-BOT-BC49542  Grindelia hirsutula Bruce Bartholomew 1989-8-11 5057 Modoc Along W side of Goose Lake, 12.4 km N of McGinty Point on National Forest Road 48. 1430 Comment
  SEINET195672  Grindelia nana Annie M. Alexander, L Kellogg 1946-6-17 4998 Modoc Along road to Alturas and N to Davis Creek Warner Mountains Comment
  CAS-BOT-BC189600  Hackelia Clare B. Hardham 1961-6-18 7546 Modoc Hills 3 miles E of Cedar Pass, Warner Mountains 1828 Comment
  CAS-BOT-BC54093  Hackelia cusickii Bruce Bartholomew; Barrett Anderson 1989-6-3 4852 Modoc 6.4 km N of State Hwy 299 on Crowder Flat Road and ca. 5.5 km S of Big Sage Reservoir. 1550 Comment
  CAS-BOT-BC54094  Hackelia cusickii John Thomas Howell 1934-6-11 11960 Modoc Parker Creek, Warner Mountains 1584 Comment
  RSA293417  Hackelia cusickii Reino Alava 1957-7-6 1186 Modoc 2 miles west of Benton Meadows, Davis Creek Pass Road, Modoc Nat l Forest Comment
  UCD77747  Hackelia cusickii Robert E. Preston 2000-6-2 1361 Modoc Modoc Plateau, along Hwy 139, ca. 2.5 mi e of Forest Service Road 44N11. 1493 Comment
  CAS-BOT-BC54058  Hackelia micrantha Elmer Ivan Applegate 1932-7-9 7590 Modoc Bidwell Mountain, Warner Mountains Comment
  HSC3658  Hackelia micrantha M. T. Milligan 1965-6-30 403 Modoc E of Jess Valley 1829 Comment
  RSA644031  Hackelia micrantha Elaine Joyal, D. Mehlman 1988-6-28 1291 Modoc N. Warner Mts., ridge road. Comment
  HSC5799  Helianthella californica subsp. nevadensis M. S. Baker 1893-1 Modoc Forestdale Comment
  CAS-BOT-BC49547  Helianthus annuus Isabelo T. Kelly 1930-1-1 35 Modoc Fort Bidwell. Comment
  CDA6194  Helianthus annuus T. C. Fuller 1958-7-8 1933 Modoc Likely/Alturas. 0 Comment
  CHSC100432  Helianthus annuus Lowell Ahart; John Dittes 2008-8-25 15313 Modoc On the east bank of the Pit River (flood plain), about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout. 1273 Comment
  RSA534715  Heliotropium curassavicum var. oculatum Bruce Bartholomew 1989-8-11 5058 Modoc Along W side of Goose Lake, 3.5 km S of the Oregon border on National Forest Road 48. 1430 Comment
  CAS-BOT-BC21466  Heracleum lanatum Bruce Bartholomew 1989-8-11 5068 Modoc Along Lassen Creek near SE side of Harris Flat, Warner Mountains. 1920 Comment
  CAS-BOT-BC21468  Heracleum lanatum Isabelo T. Kelly 1930-1-1 50 Modoc Fort Bidwell. Comment
  HSC21507  Heracleum maximum M. T. Milligan 1966-7-3 524 Modoc Slopes and ridges E of Jess Valley 1829 Comment
  JEPS117302  Herniaria hirsuta subsp. hirsuta Lowell Ahart, John Dittes 2010-8-31 17110 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
  UC124514  Hesperochiron californicus Mrs. R. M. Austin July 1894 Modoc Goose Lake Comment
  CAS-BOT-BC179172  Hesperolinon micranthum B. Bartholomew; Barrett Anderson 1988-7-21 4404 Modoc 2.1 km SSE of Day on the road to state Highway 299. 1020 Comment
  UC217547  Hesperostipa comata H. M. Hall 1921-9-9 11663 Modoc 6 mi from Malin (northern Modoc Co.) Comment
  CAS-BOT-BC225799  Heuchera cylindrica Bruce Bartholomew 1992-8-8 6375 Modoc Vicinity of Patterson Lake, E side of Warner Mountains. 2750 Comment
  CHSC100847  Heuchera cylindrica L. P. Janeway 2008-8-17 9566 Modoc Warner Mountains. North slope of Bald Mountain; just below the cliffs at the top of the peak. In cracks on north-facing rock face. 2400 Comment
  NY541344  Heuchera cylindrica A. J. Cronquist 1959-6-19 8503 Modoc On north slope above Mill Creek, a little above Clear Lake; Warner Mountains, 15 miles east of Likely 1981.2 Comment
  SEINET9733841  Heuchera cylindrica var. alpina Arthur Cronquist, Holmgren, Arthur H. 1959-6-19 8503 Modoc above Mill Creek, a little above Clear Lake; Warner Mts., 15 miles east of Likely 1981 Comment
  UC1249272  Heuchera cylindrica var. alpina Arthur Cronquist, Arthur H. Holmgren 1959-6-19 8503 Modoc 15 mi e Likely (a little above Clear Lake, on n slope above Mill Creek, Warner Mts.); Warner Mts., above Clear Lake, n slope above Mill Creek 1981 Comment
  UC748212  Heuchera cylindrica var. ovalifolia Annie M. Alexander and Louise Kellogg 1946-7-3 4902 Modoc 3.5 mi w Fort Bidwell; Bidwell Creek Canyon Comment
  HSC5828  Hieracium albiflorum M. T. Milligan 1964-7-25 186 Modoc Pine Creek Basin, along trail. 2439 Comment
  HSC5841  Hieracium horridum M. T. Milligan 1966-6-30 503 Modoc Slopes and ridges E of Jess Valley 1768 Comment
  UC32785  Hieracium nudicaule Milo S. Baker 1893-7-3 Modoc Comment
  CAS-BOT-BC49477  Hieracium scouleri Bruce Bartholomew 1989-8-12 5116 Modoc South Fork of Pine Creek just N of trailhead to Pine Creek Basin, W side of Warner Mts. 2010 Comment
  CHSC109426  Hieracium scouleri L. P. Janeway; B. Castro 2012-7-24 10973 Modoc Warner Mountains. Northwestern flank of Mount Bidwell; 1.2 air km south of Dismal Swamp. 2362 Comment
  RSA504675  Hieracium scouleri Bruce Bartholomew, B. Anderson 1988-7-22 4481 Modoc Vicinity of East Creak Trailhead, southern end of the Warner Mountains; Sierran Montane forest. 2210 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
  HSC79959  Hordeum brachyantherum Tim Messick 1980-7-24 1247 Modoc Banks of Rough Creek, 0.1 mi. upstream from Geiger Grade 2790 Comment
  CAS-BOT-BC247687  Hordeum brachyantherum subsp. brachyantherum Bruce Bartholomew; Barrett Anderson 1988-7-21 4469 Modoc Vicinity of Patterson Campground, southern end of the Warner Mts. 2190 Comment
  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
  CAS-BOT-BC284697  Hordeum jubatum John Thomas Howell 1934-7-1 12348 Modoc Duncan Horse Camp Comment
  UCSB16425  Hordeum jubatum Hardham, Clare 1961-6-19 Modoc Willow Creek; Warner Mountains Comment
  UC12373  Horkelia tridentata subsp. tridentata Milo S. Baker 1893-6-20 Modoc Comment
  CAS-BOT-BC181961  Hosackia crassifolia Bruce Bartholomew 1989-7-14 4936 Modoc Along Rush Creek between Lower and Upper Rush Creek Campgrounds. 1580 Comment
  CAS-BOT-BC49486  Hulsea nana Elmer Ivan Applegate 1935-6-11 9515 Modoc Top of cinder cone, Lava Beds National Monument. Comment
  CAS-BOT-BC179324  Hydrophyllum capitatum var. alpinum L. A. M. Black 1894-4-1 107 Modoc Davis Creek. Comment
  CAS-BOT-BC179325  Hydrophyllum capitatum var. alpinum Belknap C. Goldsmith 1912-4-20 42 Modoc Near Cedarville. 1493 Comment
  CAS-BOT-BC180026  Hydrophyllum capitatum var. alpinum Leland S. Smith 1919-5-18 1102 Modoc Jess Valley. 1600 Comment
  UC1586869  Hydrophyllum capitatum var. alpinum Juha Pykala and D. H. Norris 1987-5-28 1193 Modoc slope near Thoms Creek (Cedar Park campground); Modoc National Forest 1783 Comment
  RSA152598  Hydrophyllum capitatum var. alpinum I. L. Wiggins, Dorothy Wiggins 1961-6-12 16407 Modoc Cedar Creek Campground, 3 miles east of Thoms Creek Bridge. Comment
  RSA59652  Hydrophyllum capitatum var. alpinum E. K. Balls 1950-5-12 14638 Modoc Above Bucks Creek Ranger Station, Modoc National Forest, E of Goose Lake. 1738 Comment
  JEPS5987  Hymenoxys hoopesii Frances D. Payne 1931-6-29 308 Modoc e slope of Warren Peak; Warner Mountains, Warren Peak 2286 Comment
  UC635673  Hypericum formosum var. scouleri F. H. Frost 1900-7-24 103 Modoc Jess Valley Warner Mts., Jess Valley Comment
  UC1075791  Iliamna bakeri E. K. Balls and P. C. Everett 1952-10-11 20958 Modoc 0.2 mi se of crest of Fandango Pass (Warner Mountains); Warner Mountains 1859 Comment
  UC449780  Ipomopsis aggregata Franklin P. Nutting Modoc near Forestdale Comment
  CAS-BOT-BC497309  Ipomopsis aggregata subsp. aggregata B. Bartholomew 1990-8-5 5687 Modoc Summit Trail, ca. 3 km N of Patterson Ranger Station, W side of Warner Mts. 2600 Comment
  UC205778  Ipomopsis congesta Mrs. M. H. Manning 1903-1 345 Modoc Mt. Bidwell Comment
  UC748419  Ipomopsis congesta Annie M. Alexander and Louise Kellogg 1946-7-11 4969 Modoc Eight Mile Creek Comment
  UC100829  Ipomopsis congesta Milo S. Baker Modoc Frestdale Comment
  CAS-BOT-BC245098  Iris missouriensis Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-13 16450 Modoc Southern outskirts of Fort Bidwell. Comment
  CAS-BOT-BC245103  Iris missouriensis Mrs. H. C. Cantelow 1940-6-1 s.n. Modoc Fandango Pass. Comment
  CHSC115512  Iris missouriensis Lowell Ahart; John Dittes 2015-7-17 20399 Modoc About 50 yards north of Ash Creek, Ash Creek State Wildlife Area, about 3/4 mile south of County Road B7, about 2.7 miles (air) west of Adin, about 9.1 miles (air) northeast of Bieber. 1279 Comment
  UC1587049  Isatis tinctoria G. Schoolcraft 1991-6-19 2169 Modoc about 2.5 mi n of Adin (along Highway) 1295 Comment
  RSA639341  Isoetes bolanderi L. C. Wheeler 1935-8-14 3857 Modoc Cave Lake, Pine Creek, Warner Mtns. (Mt Diablo Mer.) 2073 Comment
  JEPS47196  Ivesia gordonii Frances D. Payne 1931-6-29 302 C Modoc e slope Mt. Warren; Warner Mountains 2286 Comment
  NY833802  Ivesia gordonii B. M. Bartholomew 1990-8-4 5643 Modoc Top of pass on Summit Trail, ca. 0.5 km southeast of Patterson Lake, east side of Warner Mountains 2800 Comment
  UC1594787  Ivesia gordonii David Charlet 1989-8-21 582 Modoc 0.1 km w Eagle Peak; South Warner Mountains 3000 Comment
  CAS-BOT-BC245077  Juncus balticus subsp. ater Roxana Stinchfield Ferris; R. Duthie 1919-6-15 152 Modoc Parker Creek. Comment
  RSA210804  Juncus balticus subsp. ater Robert F. Thorne, James Henrickson, C. W. Tilforth 1969-9-3 39019 Modoc Fresh water (tule) marsh at SE end of Tule Lake Sump .5 mile N of turnoff to Lava Beds National Monument. (2.2 miles E of NE entrance to monument). 1265 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
  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
  CAS-BOT-BC245056  Juncus hemiendytus var. abjectus Bruce Bartholomew 1995-6-24 7035 Modoc 6 km E of Burlington Northern Railroad track on Forest Service Road 42N03. 1340 Comment
  UC1540127  Juncus luciensis Dean Wm. Taylor and Glenn L. Clifton 1987-6-24 9054 Modoc Egg Lake, extreme se portion of lakebed Egg Lake 1280 Comment
  CHSC30638  Juncus nevadensis N. E. H. Prouty 1980-7-1 193 Modoc Modoc Nat. Forest. Bear Flat T.S. Along drainage running south from Bear Flat Pond into Soup Creek. 1798 Comment
  HSC14092  Juncus nevadensis M. T. Milligan 1965-6-23 310 Modoc N end Jess Valley 1616 Comment
  RSA30797  Juncus nevadensis C. L. Hitchcock 1940-5-27 6715 Modoc 15 miles NE of Alturas. Comment
  CAS-BOT-BC10594  Juncus nevadensis var. nevadensis John Thomas Howell 1934-7-2 12355 Modoc Nate Harrison Grade, SE end of Clear Lake. Comment
  POM312894  Juncus orthophyllus H. L. Mason 1947-8-13 13534 Modoc Northeast side of F reservoir, north of Canby Comment
  UC70013  Juncus saximontanus Mrs. M. H. Manning Sep 1903 445 Modoc NE Modoc County Comment
  CAS-BOT-BC81198  Juniperus occidentalis Florence Angwin 1946-5-4 s.n. Modoc Adin Comment
  SEINET3864738 Image available Juniperus occidentalis Jeffrey Huber 1971-6-3 84 Modoc 5 mi. S. of Canby on Calif. Hwy. 299.; 0 1280 Comment
  CHSC112819  Juniperus occidentalis var. occidentalis Lowell Ahart; John Dittes 2013-7-25 18949 Modoc 20 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
  CAS-BOT-BC225096  Kelloggia galioides Leland S. Smith 1409 Modoc Modoc County. Comment
  HSC80759  Kelloggia galioides G. M. Riegel 1979-7-27 603 Modoc S Warner Mtns. 1670 Comment
  NY539717  Kochia americana B. M. Bartholomew 1989-6-2 4832 Modoc 6.4 km east of Eagleville on the road to the California state border, east side of Surprise Valley 1550 Comment
  CAS-BOT-BC247644  Koeleria macrantha Bruce Bartholomew; Barrett Anderson 1990-7-19 5394 Modoc Turner Creek at County Rd 90, N end of Big Valley, 6.4 km N of Lassen County border. 1230 Comment
  CAS-BOT-BC247645  Koeleria macrantha Leland S. Smith 1924-6-9 1396 Modoc Egg Lake. Comment
  HSC80845  Koeleria macrantha G. M. Riegel 1979-7-31 636 Modoc S Warner Mtns. 1829 Comment
  SEINET229940 Image available Koeleria macrantha L. M. Shultz, JS Shultz 1985-6-23 8594 Modoc Modoc Plateau at the Western extension of the Great Basin between Beeler and Duncan reservoirs 1311 Comment
  UC1024973  Koeleria macrantha Leo Whitney 1935-7-6 3431 Modoc Pit River near Lookout; Pit River near Lookout Comment
  UCD85811  Koeleria macrantha J. C. Hays 1940-7-2 s.n. Modoc Modoc County. No location given. Comment
  UC1191979  Lactuca tatarica subsp. pulchella Verne Grant and Irving Schneider 1947-7-18 8051 Modoc s Alturas Comment
  RSA722576  Lagophylla ramosissima Richard R. Halse 2006-8-3 6989 Modoc Along Jess Valley Road ca. 4 miles E of Likely, just past bridge over the Pit River. 1387 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
  CHSC117290  Lamium amplexicaule Lowell Ahart; John Dittes 2016-7-14 21174 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
  JEPS63245  Lamium amplexicaule L. S. Smith 1919-5-7 1093 Modoc Jess Valley; Warner Mts. Comment
  RSA550615  Lappula occidentalis var. occidentalis Bruce Bartholomew, B. Anderson 1989-6-2 4821 Modoc At the SE corder of Upper Alkali Lake, E side of Surprise Valley. 1400 Comment
  CAS-BOT-BC181980  Lathyrus brownii Bruce Bartholomew; Mona Bourell 1990-4-27 5168 Modoc NW side of Rice Flat, ca. 2 km S of Adin Pass. 1540 Comment
  CAS-BOT-BC181981  Lathyrus brownii Bruce Bartholomew; Barrett Anderson 1988-5-12 4122 Modoc SE side of Egg Lake, ca. 1 km E of the Burlington Northern railroad track. 1290 Comment
  UC15393  Lathyrus brownii Baker and Nutting 1894-6-16 Modoc Forestdale Comment
  CAS-BOT-BC181977  Lathyrus lanszwertii subsp. aridus Bruce Bartholomew 1995-6-22 6979 Modoc Between Day and Lookout, 0.3 km N of on County Road 94 track to Wendt Spring. 1370 Comment
  JEPS55335  Lathyrus lanszwertii var. aridus Leo D. Whitney 1935-5-31 3159 Modoc White Horse Comment
  NY716864  Lathyrus rigidus B. M. Bartholomew 1988-5-14 4185 Modoc 4.5 km south of Davis Creek on U.S. Highway 395, southeast side of Goose Lake 1470 Comment
  JEPS5972  Layia glandulosa Frances D. Payne 1932-6-19 550 Modoc Comment
  SJSU9609  Lemna minor W. Savage 1979-7-6 1383 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  CAS-BOT-BC245027  Lemna trisulca Verne Grant; I. Schneider 1947-7-19 8065 Modoc Corporation ranch, south of south loop road, S of Alturas. Comment
  UC1101289  Lemna turionifera Verne Grant, Irving Schneider 1947-7-19 8064 Modoc Corporation Ranch s of Alturas (s of South Loop Road); Corporation Ranch Comment
  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
  JEPS127310  Lepidium campestre Lowell Ahart, John Dittes 2016-7-14 21162 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-BC58349  Lepidium perfoliatum E. S. Willits 1940-5-17 273 Modoc Willow Ranch. Comment
  RSA504619  Lepidium perfoliatum Bruce Bartholomew, B. Anderson 1988-6-25 4382 Modoc SW side of Jess Valley, Warner Mountains. 1540 Comment
  RSA164295  Leptosiphon harknessii Clare B. Hardham 1961-6-18 s.n. Modoc Warner Mountains: Cedar Pass. Comment
  HSC75594  Leptosiphon nuttallii G. M. Riegel 1980-7-30 960 Modoc S Warner Mtns. 1739 Comment
  CAS-BOT-BC242079  Leucocrinum montanum K. Paulson; Robert Paulson 1989-4-16 103 Modoc Crowder Flat Road, Devil's Garden. Comment
  CAS-BOT-BC197451  Lewisia nevadensis K. Paulson; Robert Paulson 1988-6-11 35 Modoc North of Stough Reservoir, Warner Mts.. 1981 Comment
  UC7807  Lewisia nevadensis Mrs. R. M. Austin and Bruce June 1898 2149 Modoc Benton Meadows Comment
  CAS-BOT-BC197486  Lewisia rediviva C. L. Hitchcock 1940-5-27 6671 Modoc 15 mi. NE of Alturas. 1615 Comment
  CAS-BOT-BC197497  Lewisia rediviva M. M. Hanna June 4 982 Modoc Cedar Pass Comment
  SJSU9824  Lewisia rediviva H. L. Buckalew 1961-6-26 Modoc Deep Cr Canyon, Warner Mts 1752 Comment
  UC1586893  Lewisia triphylla Juha Pykala and D. H. Norris 1987-5-28 1277 Modoc ca 3-4 mi w Lake City (Lake City Canyon); Warner Mountains, Modoc National Forest, Lake City Canyon 1828 Comment
  CAS-BOT-BC247634  Leymus cinereus Bruce Bartholomew 1990-8-5 5683 Modoc Summit Trail, ca. 4 km N of Patterson Ranger Station, W side of Warner Mts. 2470 Comment
  CAS-BOT-BC247635  Leymus cinereus Bruce Bartholomew 1991-6-22 5839 Modoc Surprise Valley, 5.6 km E of Eagleville. 1370 Comment
  JEPS68545  Leymus cinereus W. L. Jepson 1918-8-9 7923 Modoc 3 mi s Ft. Bidwell 1447 Comment
  POM201805  Leymus cinereus Frances D. Payne 78 Modoc Warner Mts. Comment
  JEPS117172  Leymus triticoides Lowell Ahart, John Dittes 2010-8-31 17131 Modoc West side of Elkins Lane, about 10 yards south of the bridge across Ash Creek, Ash Creek State Wildlife Area, 4215 feet north of Lassen County line, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley 1267 Comment
  JEPS69228  Leymus triticoides Leland S. Smith 1920-7-4 1173 Modoc Alturas Comment
  SEINET182349  Leymus triticoides F. Payne 782 Modoc Warner Mountains Comment
  CAS-BOT-BC436039  Ligusticum grayi Elmer I. Applegate 1932-8-2 8077 Modoc Mill Creek Meadows, western slope of Warner Mountains Comment
  CHSC109486  Ligusticum grayi L. P. Janeway; B. Castro 2012-7-25 10979 Modoc Warner Mountains. Slope along north side of Dismal Swamp. 2216 Comment
  UC423124  Lilium Milo S. Baker 1898-8-16 561 Modoc Forestdale Comment
  RSA210884  Limosella acaulis Robert F. Thorne, James Henrickson, C. W. Tilforth 1969-9-4 39109 Modoc N Fork of Pit River 3.4 mi N of Alturas where crossed by Highway 395. 1341 Comment
  RSA210888  Limosella acaulis Robert F. Thorne, James Henrickson, C. W. Tilforth 1969-9-4 39119 Modoc N Fork of Pit River 3.4 mi N of Alturas where crossed by Highway 395. 1341 Comment
  CAS-BOT-BC238351  Limosella aquatica Herbert L. Mason; Verne Grant 1947-7-12 13418 Modoc Along railroad track, Pit River Valley, south of Alturas Comment
  UC1101426  Limosella aquatica Herbert L. Mason and Verne Grant 1947-7-12 13418 Modoc s Alturas (Pit River Valley); Pit River Valley Comment
  CAS-BOT-BC190629  Linanthus bolanderi Bruce Bartholomew; Mona Bourell 1990-4-26 5155 Modoc 0.5 km S of Day. 1100 Comment
  CAS-BOT-BC198048  Linanthus ciliatus Bruce Bartholomew 1995-6-24 7025 Modoc 16.4 km W of State Hwy 136 on road to Tionesta (Forest Service Road 44N17). 1400 Comment
  CAS-BOT-BC198035  Linanthus harknessii Louis Cutter Wheeler 1935-8-16 3868 Modoc Dismal Swamp. 2225 Comment
  CAS-BOT-BC198038  Linanthus harknessii Bruce Bartholomew 1991-7-7 6003 Modoc SE end of Sweargart Flat. 1820 Comment
  CAS-BOT-BC198045  Linanthus harknessii Bruce Bartholomew 1991-7-5 5929 Modoc Vicinity of Cow Head Spring between Dorris Bothers Reservoir and Cow Head Tank. 1510 Comment
  UC971756  Linanthus harknessii F. H. Frost 1925-7-11 13 Modoc 2 mi above Cedarville; Warner Mts., Cedar Canyon Comment
  UC629053  Linanthus nuttallii subsp. nuttallii Louis C. Wheeler 1935-8-5 3789 Modoc Little Lily Lake Warner Mts., Pine Creek 2286 Comment
  HSC17064  Linanthus pungens M. T. Milligan 1966-6-19 467 Modoc Plateau W of Jess Valley 1829 Comment
  RSA146496  Linaria dalmatica W. T. parsons, T. C. Fuller 1960-7-27 4875 Modoc Around old sawmill site, Lassen Creek, near Sugar Hill Planting. Comment
  CAS-BOT-BC229898  Linaria dalmatica subsp. dalmatica Thomas C. Fuller 1963-8-27 11168 Modoc Sugar Hill Planting, Lassen Creek, ca. 6 mi. SE of Willow Ranch. Comment
  CDA6357  Linaria genistifolia subsp. dalmatica T. C. Fuller 1963-8-27 11169 Modoc Sugar Hill Planting, Lassen Creek, ca. 6 miles southeast of Willow Ranch. 0 Comment
  UC71753  Linum lewisii Mrs. M. H. Manning 1903-8-27 178 Modoc top of Mount Bidwell, north-eastern Modoc County Mount Bidwell 1524 Comment
  UC17253  Linum lewisii Milo S. Baker 1893-6 Modoc Lava Beds Comment
  CHSC109495  Linum lewisii var. lewisii L. P. Janeway; B. Castro 2012-7-26 11010 Modoc Warner Mountains. Top of Yellow Mountain; topmost part and wster edge (at the edge of a steep dropoff to the northwest). 2463 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-BC225819  Lithophragma glabrum Belknap C. Goldsmith 1913-5-15 98 Modoc Alturas. 1310 Comment
  UC748208  Lithophragma glabrum Annie M. Alexander and Louise Kellogg 1946-6-25 4824 Modoc Dismal Swamp Warner Mtns (n end of Warner Mtns) 2255 Comment
  UC748215  Lithophragma glabrum Annie M. Alexander and Louise Kellogg 1946-6-5 4666 Modoc s Eagleville (Emerson Creek); Warner Mountains, Emerson Creek 2072 Comment
  JEPS27156  Lithophragma glabrum Lauramay T. Dempster 1961-6-19 1705 Modoc e Davis Creek (town) (headwaters of the South Fork of Davis Creek); headwaters of South Fork of Davis Creek 2286 Comment
  OBI47979  Lithophragma glabrum Rhonda Riggins 1989-4-28 1658 Modoc Pencil Rd 4.1 mi N of hwy 395 E of Alturas 1402 Comment
  CAS-BOT-BC225839  Lithophragma tenellum Bruce Bartholomew; Barrett Anderson 1988-5-14 4211 Modoc SW corner of Big Sage Reservoir. 1500 Comment
  CHSC30632  Lithophragma tenellum NEH Prouty 1980-6-2 175 Modoc Modoc Nat. Forest. Warner Mt. District. Northern side of Dry Creek Basin Rd. Comment
  UC111916  Lithophragma tenellum Mrs. R. M. Austin Jun 1894 Modoc Lava Beds Comment
  UCR87506  Lithophragma tenellum George K. Helmkamp, E. A. Helmkamp 1993-5-4 s.n. Modoc 25.6 miles NW of Canby along Calif. Hwy 139 1280 Comment
  RSA59826  Lithospermum ruderale E. K. Balls 1950-5-13 14675 Modoc West of Goose Lake, 0.5 mile S of Oregon- California State Line. 1463 Comment
  RSA531361  Lithospermum ruderale Bruce Bartholomew, B. Anderson 1989-4-27 4636 Modoc Ryan Canyon, 6km NW of Adin on road to Dutch Flat. 1370 Comment
  RSA59862  Lithospermum ruderale E. K. Balls 1950-5-11 14615 Modoc 2 miles N of Lake City, w. of Upper Alkali Lake. 1418 Comment
  SEINET13944331 Image available Lomatium bicolor Arnold Tiehm 1984-1 8838 Modoc Northwest side of Bidwell Mountain, 2.2 road miles north of 8 mile creek on the road from Lake Annie; 6050 ft T47N R16E SEC1. 1844 Comment
  CAS-BOT-BC21442  Lomatium bicolor var. leptocarpum Bruce Bartholomew 1991-6-21 5795 Modoc 1.6 km S of Davis Creek on U.S. Hwy 395. 1450 Comment
  HSC28842  Lomatium bicolor var. leptocarpum D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19497 Modoc Big Valley Summit, 6 mi. W of Adin on Hwy. 299 Comment
  CAS-BOT-BC30169  Lomatium dissectum var. multifidum Alice Eastwood; John Thomas Howell 1940-6-12 8085 Modoc Jess Valley. Comment
  UC106414  Lomatium dissectum var. multifidum Mrs. R. M. Austin June 1894 106 Modoc Fletcher Creek Comment
  CAS-BOT-BC30140  Lomatium macrocarpum Leland S. Smith 1919-5-9 1097 Modoc Jess Valley Ridge. 1706 Comment
  CAS-BOT-BC30141  Lomatium macrocarpum Mrs. H. C. Cantelow 1940-6-1 4509 Modoc 10 mi. E of Alturas. Comment
  CAS-BOT-BC30145  Lomatium macrocarpum K. Paulson; Robert Paulson 1988-6-11 19 Modoc Barnes Grade, Crowder Flat Rd. to Devil's Garden. 1432 Comment
  UCR163906  Lomatium macrocarpum Jim Andre 1993-6-30 1401 Modoc Modoc Plateau, about 10 miles NW of Canby on Hwy 139, near NW end of Oak Ridge 1494 Comment
  CAS-BOT-BC15753  Lomatium nevadense var. nevadense R. M. Austin; C. C. (Mrs.) Bruce 1898-6-1 2373 Modoc Goose Lake. Comment
  CAS-BOT-BC15754  Lomatium nevadense var. nevadense Bruce Bartholomew; Barrett Anderson 1988-5-12 4124 Modoc SE side of Egg Lake, ca. 1 km E of the Burlington Northern railroad track. 1290 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
  RSA540073  Lomatium nevadense var. nevadense Bruce Bartholomew, Anderson 1989-4-29 4669 Modoc 6.4 km E of Fort Bidwell on rad to Fee Reservoir, NE corner of Surprise valley. 1460 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
  HSC21525  Lomatium nevadense var. parishii Robert C. Wunner 1965-6-10 141 Modoc Lava Beds N.M., E side of Caldwell Butte above Caldwell minor 1463 Comment
  UC20792  Lomatium nudicaule Mrs. R. M. Austin and Bruce June 1898 2287 Modoc Goose Lake Valley Comment
  CAS-BOT-BC15726  Lomatium piperi Bruce Bartholomew; Barrett Anderson 1989-4-28 4661 Modoc 8 km E of the Modoc National Forest Boundary on Parker Creek Road, W side of Warner Mts. 1930 Comment
  RSA565026  Lomatium piperi D. W. Taylor 1992-3-16 12328 Modoc 1 air mile SW of southern end Duncan Reservoir (1.5air mile E of Amborse). 1494 Comment
  RSA31756  Lomatium triternatum A. A. Heller 1941-6-26 16215 Modoc 4 miles east of Canby Comment
  HSC28526  Lomatium triternatum var. macrocarpum D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19383 Modoc Along Hager Basin Rd. near Big Sage Reservoir. Comment
  UC614431  Lomatium triternatum var. macrocarpum L. Constance 1938-6-12 2336 Modoc Cedar Pass rd. 12.8 mi. n.e. of Alturas (plateau near foot of Banner Grade, w. foothills of Warner Range); w. foothills of Warner Range 1463 Comment
  CAS-BOT-BC21412  Lomatium triternatum var. triternatum Francis Dorris Payne 1931-6-18 197 Modoc Parker Creek. 1584 Comment
  CAS-BOT-BC21417  Lomatium triternatum var. triternatum M. M. Hanna 1956-6-4 s.n. Modoc Cedar Pass. Comment
  POM260283  Lomatium vaginatum C. L. Hitchcock 1940-5-27 6657 Modoc 9 miles northeast of Alturas. 1402 Comment
  RSA248724  Lomatium vaginatum Christopher Davidson 1973-5-26 2124 Modoc 4 miles W of Canby on Hwy 299. 1341 Comment
  RSA271941  Lomatium vaginatum Christopher Davidson 1975-6-4 2601 Modoc 0.4 miles E of Hwy 395 on Hwy 299 toward Cedarville. 1380 Comment
  RSA152173  Lomatium vaginatum Lincoln Constance, Elwood Molseed, John Weiler 1960-6-13 3679 Modoc East side of Goose Lake, 9 miles north of Davis Creek 1372 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
  CAS-BOT-BC181956  Lotus denticulatus John Thomas Howell 1935-6-11 11938 Modoc Parker Creek, Warner Mts. 1584 Comment
  CAS-BOT-BC181960  Lotus denticulatus John Thomas Howell 1934-6-15 12204 Modoc Dorris Reservoir, 2 mi. E of Alturas. Comment
  JEPS55463  Lotus denticulatus Frances D. Payne 1931-6-12 159 Modoc s and e of Alturas; Warner Mountains, Parker Creek 1584 Comment
  RSA520488  Lotus unifoliolatus Bruce Bartholomew 1989-8-10 5039 Modoc Little Hot Spring Valley, 3.2 km NW of Day. 1070 Comment
  CAS-BOT-BC181927  Lupinus C. P. Smith 1947-6-13 47462 Modoc Highway 395, Pine Creek (town) 0.8 mi. S. Comment
  RSA624905  Lupinus Jeffrey Huber 1971-6-3 87 Modoc 5 mi. S. of Canby on Calif. Hwy. 299. Comment
  CAS-BOT-BC181899  Lupinus arbustus Bruce Bartholomew 1992-8-9 6385 Modoc Creek below Patterson Lake on Squaw Peak Trail to Owl Creek Trail, E side of Warner Mountains. 2650 Comment
  CAS-BOT-BC181906  Lupinus arbustus Mrs. H. C. Cantelow 1940-6-1 Modoc Cedar Pass, E of Alturas. Comment
  CAS-BOT-BC181916  Lupinus arbustus Alice Eastwood; John Thomas Howell 1940-6-13 8141 Modoc Fandango Pass. Comment
  CHSC111992  Lupinus arbustus B. Castro; L. P. Janeway 2008-8-17 1753 Modoc Warner Mountains. North slope of Bald Mountain; lower slope below last row of trees, in feeders to S. Fork Mill Creek. 2302 Comment
  CAS-BOT-BC498679  Lupinus arbustus Mrs. H. C. Cantelow 1941-5-22 s.n. Modoc Between Susanville & Alturas, 1 mi N of Madeleine Comment
  CAS-BOT-BC182177  Lupinus argenteus Francis Elliot Drouet; Donald Richards 1941-9-12 4202 Modoc Sloughs along the N fork of the Pit River, NE of Alturas. 1341 Comment
  CAS-BOT-BC182180  Lupinus argenteus Elmer Ivan Applegate 1932-8-4 8152 Modoc Just N of Jess Valley, Warner Mts. Comment
  CAS-BOT-BC182194  Lupinus argenteus John Thomas Howell 1934-6-15 12183 Modoc Alturas. Comment
  CAS-BOT-BC182195  Lupinus argenteus H. P. Bracelin 1931-6-30 500 Modoc S end of Alturas. 1524 Comment
  CAS-BOT-BC248328  Lupinus argenteus B. Bartholomew; H. Sun 2002-6-24 8809 Modoc Ridge top just S of Manzanita Mt. and 15.3 straight line km NW of Aden 2070 Comment
  UC727128  Lupinus argenteus A. A. Heller 1938-6-24 15222 Modoc between Alturas and Canby; between Alturas and Canby 1341 Comment
  RSA78893  Lupinus argenteus var. argenteus E. K. Balls, Percy C. Everett 1952-10-11 18159 Modoc 5.2 miles northwest of junction of Highway 299 and 139, west of Alturas. 1524 Comment
  CAS-BOT-BC182089  Lupinus argenteus var. heteranthus Alice Eastwood; John Thomas Howell 1940-6-12 8074 Modoc Between Likely and Jess Valley. Comment
  CHSC67109  Lupinus argenteus var. heteranthus James D. Jokerst 1987-5-15 2881 Modoc Radar Survey Site S of Doublehead Mtn., S of Clear Lake Reservoir, Doublhead Mtn, Rd. ca. 0.25 mi W of junction with N-S road at E edge of project area. 1371 Comment
  JEPS119658  Lupinus argenteus var. heteranthus Lowell Ahart, John Dittes 2012-7-10 18330 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
  JEPS65014  Lupinus argenteus var. heteranthus Leland S. Smith 1918-8-13 1035 Modoc Silver Creek south Warner Mts., foothills, Silver Creek Comment
  NY736940  Lupinus argenteus var. heteranthus L. C. Wheeler 1935-8-7 3805 Modoc Pine Creek, Warner Mountains 1554 Comment
  UCR101906  Lupinus argenteus var. palmeri G. R. Ballmer 1988-7-20 s.n. Modoc Warner Mountains, Horse Ridge, near NW corner of the South Warner Wilderness Game Refuge, SW of Cedarville 2134 Comment
  UCR102425  Lupinus argenteus var. palmeri G. R. Ballmer 1988-7-21 s.n. Modoc Warner Mtns., Warner Mountains, Bidwell Mountain, c. 3 mi. south of Oregon border in extreme NE corner of state Comment
  CHSC112351  Lupinus brevicaulis L. P. Janeway; B. Castro 2014-2-6 11285 Modoc Great Basin. Along County Road 5 1.0 km west of the southwest corner of Cow Head Lake. 1627 Comment
  NY746670  Lupinus brevicaulis M. J. Williams 1988-6-2 88- 28 --3 Modoc Jess Valley, east of Likely, south of roadside rest Comment
  POM23636  Lupinus caudatus R. M. Austin 1895-07 410 Modoc Goose Lake Valley. Comment
  CAS-BOT-BC181873  Lupinus lepidus var. lobbii Elmer Ivan Applegate 1932-8-1 8051 Modoc Near summit of Warren Peak, Warner Mts. 2895 Comment
  NY747263  Lupinus lepidus var. lobbii M. Bourell 1993-8-15 5276 Modoc South Warner Wilderness Area. Warner Mountains. Along trail from Patterson Lake to ca. 2 miles north toward Pepperdine Trailhead 2438 Comment
  RSA520381  Lupinus microcarpus Bruce Bartholomew, B. Anderson 1989-6-2 4784 Modoc Long Canyon, 12 km NE of Fort Bidwell on the road to the Oregon border. 1550 Comment
  UC1736638  Lupinus microcarpus var. microcarpus Dean Wm. Taylor with Robert A. Price 1988-6-4 9758 Modoc Tule Lake Basin; Dobie Flat, 2.6 miles S10 E of Casuse Mountain, 1280 Comment
  UC15957  Lupinus microcarpus var. microcarpus Milo S. Baker 1893-7-28 Modoc Comment
  RSA414419  Lupinus ruber Christopher Davidson 2126 Modoc ca. 4 miles W of Canby on Hwy 299. 1341 Comment
  CAS-BOT-BC181823  Lupinus saxosus C. L. Hitchcock 1940-5-27 6658 Modoc 9 mi. NE of Alturas. 1402 Comment
  POM10921  Lupinus sellulus subsp. sellulus M. S. Baker 128 Modoc [No location information provided.] Comment
  CAS-BOT-BC49472  Madia citriodora Bruce Bartholomew 1993-6-12 6590 Modoc Road to Day Rock from Little Hot Spring Valley. 1250 Comment
  RSA540054  Madia citriodora Bruce Bartholomew, B. Anderson 1989-6-3 4916 Modoc 5 km W of County Route 91 along the N side of the Pit River. 1340 Comment
  POM54288  Madia elegans subsp. elegans Milo S. Baker 1899-8-18 s.n. Modoc Little Hot Spring Valley Comment
  UC89361  Madia exigua Mrs. R. M. Austin July 1894 281 Modoc Davis Creek Comment
  JEPS114390  Madia glomerata Lowell Ahart, John Dittes 2008-8-25 15296 Modoc On the west side of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout 1273 Comment
  UCR67038  Madia glomerata George K. Helmkamp 1990-9-23 I- 26 Modoc Warner Mtns, Goose Lake, within 0.1 mi of the Oregon border 1476 Comment
  CAS-BOT-BC49419  Madia gracilis Bruce Bartholomew 1990-6-15 5210 Modoc Kelly Spring, 5.5 km SSE of Hwy 299 on road from Rush Creek. 1640 Comment
  RSA531342  Madia gracilis subsp. gracilis Bruce Bartholomew 1989-7-14 4938 Modoc Along Rush Creek between Lower and upper Rush Creek Campgrounds. 1520 Comment
  CAS-BOT-BC242170  Maianthemum stellatum Bruce Bartholomew 1992-5-14 6282 Modoc SE end of Whitehorse Flat Reservoir at Bowman spring just above McArthur Cow Camp. 1390 Comment
  CAS-BOT-BC242171  Maianthemum stellatum Elmer Ivan Applegate 1932-8-6 8195 Modoc E side of Middle Lake near Nevada Line. Comment
  CAS-BOT-BC49388  Malacothrix sonchoides Bruce Bartholomew 1991-5-24 5706 Modoc Surprise Valley, E of Eagleville at the Nevada State boundary. 1520 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
  HSC65534  Malva neglecta Thomas Wood 1979-8-8 209 Modoc 1 mi. S of Ft. Bidwell along Hwy. 1, corner house where road turns W 1372 Comment
  RSA639345  Marsilea oligospora L. C. Wheeler 1935-9-18 3993 Modoc Everly Reservoir, Devil s Garden. 1524 Comment
  POM312946  Marsilea vestita H. L. Mason, Verne Grant 1947-7-10 13350 Modoc Dorris Reservoir, 2 miles east of Alturas. Comment
  CAS-BOT-BC498693  Marsilea vestita R. K. Gierisch; D. H. Esplin 1969-7-16 3546 Modoc Spaulding Resvr. 1432 Comment
  CHSC117040  Matricaria occidentalis Lowell Ahart; John Dittes 2016-6-6 20961 Modoc About 100 yards east of the Parking Area, about one mile south of the intersection of County Road 87 and Access Road to Pilot Butte Parking Area, 3.8 miles (air) east of Lookout, 7.5 miles (air) west of Adin, Ash Creek State Wildlife Area. 1271 Comment
  UC705880  Melica stricta Marion Ownbey, Fred G. Meyer 1940-7-1 2152 Modoc Cedar Peak; Warner Mts. Comment
  SEINET11678892  Melica stricta M. Ownbey, Meyer, F. G. 1940-1 2152 Modoc Cedar Peak, Warner Mts Comment
  UC190592  Melica stricta M. F. Gilman 514 Modoc Comment
  SEINET10737674  Melilotus officinalis Andrew Townesmith, Karen M. Meyer 2007-9-15 Townesmith 928 Modoc Modoc National Forest, Warner Mountain Ranger District. Along state route 299, 10.9 miles west of junction with US route 395. At Cedar Pass. T43N R15E S28 SW 1/4. 1928 Comment
  UC70386  Mentha canadensis Milo S. Baker July 1898 539 Modoc Forestdale Comment
  HSC14246  Mentha canadensis M. T. Milligan 1964-7-24 162 Modoc Badger Wells Rd. at Boles Creek Crossing 1524 Comment
  JEPS63466  Mentha canadensis Leland S. Smith July 1918 1062 Modoc Jess Valley Comment
  UC1537633  Mentha canadensis Gordon H. True Jr. 1939-7-21 1031 Modoc Jack Swamp Comment
  JEPS41194  Mentzelia dispersa Milo S. Baker Modoc Comment
  UC725538  Mentzelia dispersa A. A. Heller 1941-6-26 16214 Modoc 8 m w Alturas (along U.S. Highway #299.); Juniper Belt Comment
  CAS-BOT-BC179122  Mentzelia montana John Thomas Howell 1934-6-30 12263 Modoc Duncan Horse Camp. 1355 Comment
  CAS-BOT-BC179123  Mentzelia montana Annie Montague Alexander; L. Kellogg 1946-7-7 4946 Modoc Eight Mile Creek. 1752 Comment
  CAS-BOT-BC498692  Mertensia ciliata E. K. Balls 1950-5-20 14791 Modoc South Fork Public Camp, South Fork Pit River (likely to Clear Lake) 1432 Comment
  CAS-BOT-BC54003  Mertensia longiflora Bruce Bartholomew 1991-5-24 5738 Modoc Near N side of Big Mud Lake at the Nevada State boundary. 1680 Comment
  CAS-BOT-BC54004  Mertensia longiflora Bruce Bartholomew 1991-5-25 5745 Modoc 3.2 km S of road between Goose Lake and Crowder Flat road on road to Rimrock Valley. 1646 Comment
  JEPS6029  Mertensia oblongifolia var. amoena Frances D. Payne 1929-7-7 57 Modoc 2 mi. s.w. Warren Peak (Pine Creek Basin, Warner Mts.); Warner Mts., Pine Creek Basin 2133 Comment
  CAS-BOT-BC54020  Mertensia oblongifolia var. oblongifolia E. S. Willits 1940-5-6 224 Modoc Lassen Creek, Willow Ranch. Comment
  CAS-BOT-BC54021  Mertensia oblongifolia var. oblongifolia Elmer Ivan Applegate 1932-7-9 7615 Modoc N side of Bidwell Mountain, Warner Mountains Comment
  CAS-BOT-BC54025  Mertensia oblongifolia var. oblongifolia Bruce Bartholomew 1992-5-15 6300 Modoc Tamarack Flat, E side of the Warner Mountains. 2160 Comment
  CAS-BOT-BC225955  Micranthes nidifica Bruce Bartholomew 1990-6-15 5249 Modoc Manzanita Mountain in ca. 0.2 km S of turn off to Manzanita Lookout 2040 Comment
  CAS-BOT-BC225958  Micranthes nidifica Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-11 6509 Modoc Ca. 3 km S of Oregon border on Forest Service Rte. 7. 1720 Comment
  CAS-BOT-BC429024  Micranthes nidifica Ira L. Wiggins; Dorothy B. Wiggins 1961-6-12 16423 Modoc Near summit of Cedar Pass, between Alturas & Cedarville 1935 Comment
  CAS-BOT-BC225967  Micranthes oregana Elmer Ivan Applegate 1932-8-3 8108 Modoc East branch of Mill Creek, Mill Creek Meadow, Warner Mts. Comment
  UC35778  Microseris laciniata subsp. laciniata M. S. Baker and Frank Nutting 1894-6-8 Modoc near Egg Lake Comment
  CAS-BOT-BC49360  Microseris nutans Clare Butterworth Hardham 1961-6-18 7590 Modoc Cedar Pass. 1828 Comment
  CAS-BOT-BC49361  Microseris nutans John Thomas Howell 1934-6-11 11977 Modoc Parker Creek, Warner Mountains 1584 Comment
  CHSC117041  Microseris nutans Lowell Ahart; John Dittes 2016-6-6 20958 Modoc About 100 yards east of the Parking Area, about one mile south of the intersection of County Road 87 and Access Road to Pilot Butte Parking Area, 3.8 miles (air) east of Lookout, 7.5 miles (air) west of Adin, Ash Creek State Wildlife Area. 1271 Comment
  RSA540058  Microseris nutans Bruce Bartholomew, M. Bourell 1990-4-28 5208 Modoc 4.3 km SE of Rush Creek on road to Hunters Ridge 1550 Comment
  CAS-BOT-BC197896  Microsteris gracilis C. C. (Mrs.) Bruce 1894-4-1 104 Modoc Davis Creek. Comment
  CAS-BOT-BC197909  Microsteris gracilis E. S. Willits 1940-5-17 267 Modoc Willow Ranch. Comment
  HSC26516  Microsteris gracilis J. P. Smith, J. O. Sawyer 1972-5-6 5248 Modoc County Rd. 86, just E of Adin. 1098 Comment
  RSA101505  Microsteris gracilis subsp. gracilis R. Weatherby 1955-7-8 1615 Modoc 7 miles north of Ft. Bidwell, northern Warner Mts. 1875 Comment
  POM204118  Microsteris gracilis subsp. gracilis J. T. Howell 1934-6-14 12133 Modoc Near Lost Lake, Warner Mts. 2439 Comment
  JEPS86967  Mimulus cusickii David M. Thompson 1988-7-23 975 Modoc 3.7 mi s Hwy 299 at Cedarville (along Surprise Valley Road, then 1.5 mi w along Granger Canyon Road); Warner Mts. 1500 Comment
  HSC26578  Mimulus guttatus D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19484 Modoc Upper Rush Creek Campground, about 8 mi. N of Adin on Hwy. 299 Comment
  JEPS11547  Mimulus guttatus W. L. Jepson 1918-8-12 7955 Modoc Jess Valley 1584 Comment
  UC1736214  Mimulus inflatulus Dean W. Taylor 1988-6-4 9745 Modoc Damons Butte, ca. 2.6 miles west of Highway 139 Comment
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May 5 2007
  CAS-BOT-BC234527  Mimulus lewisii Elmer Ivan Applegate 1932-8-7 8232 Modoc Lily Lake. Comment
  HSC86890  Mimulus lewisii Robert A. Schlising 1978-7-29 3321 Modoc Warner Mtns., Pine Creek Basin in S Warner Wilderness Area Comment
  UCR72552  Mimulus nanus var. nanus D. M. Thompson 1988-6-2 925 Modoc c. 6.8 mi NW of Canby. ).1 mi SE of turnoff for Howard's Gulch Campground along Hwy 139 1500 Comment
  RSA550575  Mimulus pulsiferae Bruce Bartholomew, B. Anderson 1989-6-3 4910 Modoc ca. 6 km NW of Egg Lake and ca. 0.8 km E of Service Flat Gulch. 1370 Comment
  RSA535786  Mimulus pygmaeus David M. Thompson 1988-6-3 929 Modoc Lookout Junction. 1300 Comment
  RSA584831  Mimulus suksdorfii Bruce Bartholomew 1993-6-13 6636 Modoc Consolidated sand dunes just W of Leonard Hot Spring; E side of Surprise Valley. 1410 Comment
  RSA93427  Mimulus suksdorfii Milo S. Baker 1936-6-14 8313 Modoc Sink along Hwy to Canby. Several miles north of Quarantin Station. Comment
  HSC68105  Minuartia nuttallii J. P. Smith, J. O. Sawyer 1973-8-8 7213 Modoc Near summit of Eagle Peak 2988 Comment
  UC748054  Minuartia nuttallii subsp. gregaria Annie M. Alexander and Louise Kellogg 1946-7-30 5093 Modoc Eagle Peak Warner Mountains (e slope near summit) Comment
  CAS-BOT-BC225809  Mitella pentandra Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-14 16489 Modoc 6.4 mi. S of LKassen Creek campground, on road to Buck Mountain, Warner Mts. Comment
  JEPS43517  Mitella pentandra Frances D. Payne 1931-6-25 259 Modoc 2 mi sw Warren Mt. (Pine Creek Basin, southeastern Modoc County); sw of Warren Mt., Pine Creek Basin 2286 Comment
  CHSC67817  Monardella odoratissima James D. Jokerst 1990-8-2 3208 Modoc Summit of East Sand Butte just E of Lava Beds National Monument. 1423 Comment
  SEINET2045901 Image available Monardella odoratissima D. A. Charlet, C. Petty 1988-8-12 174 Modoc Warner Mountains, 400 m SSW of Warren Peak 2744 Comment
  CAS-BOT-BC179366  Monardella odoratissima subsp. glauca Alice Eastwood; John Thomas Howell 1940-6-13 8175 Modoc E side of Cedar Pass. Comment
  CAS-BOT-BC179374  Monardella odoratissima subsp. glauca Elmer Ivan Applegate 1932-8-1 8010 Modoc Arid summit of Warner Mountains just S of Warren Peak. Comment
  CAS-BOT-BC179375  Monardella odoratissima subsp. glauca Francis Marion Ownbey 1940-7-1 2150 Modoc Cedar Peak. 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
  SJSU6210  Monardella odoratissima subsp. glauca H. L. Buckalew 1961-7-1 Modoc lower flanks of Cedar Mt, Warner Mts 2133 Comment
  UC1553401  Monardella odoratissima subsp. glauca G. Schoolcraft 1988-7-12 1826 Modoc at mouth N. Deep Creek; Warner Mtns. 1524 Comment
  UC1561071  Monardella odoratissima subsp. glauca Dean Wm. Taylor with Glenn L. Clifton 1989-8-5 10462 Modoc Eagle Peak Warner Mountains 2880 Comment
  RSA504610  Monardella odoratissima subsp. pallida Bruce Bartholomew, B. Anderson 1988-7-21 4419 Modoc S end of Whitehorse Flat Reservoir 1340 Comment
  CAS-BOT-BC220237  Monardella sheltonii M. S. Baker 1893-1-1 s.n. Modoc N.E. Egg Lake Comment
  CHSC67101  Monolepis nuttalliana James D. Jokerst 1987-6-24 2939 Modoc NE of Doublehead Mtn., ca. 2.0 mi WSW of Red Lake. Comment
  RSA77998  Montia chamissoi Verne Grant, Alva Grant 1947-7-11 8010 Modoc Modoc County: Rocky banks of Thoms creek near forest service camp site on road from Alturas to Cedar Pass, Warner Mts, Modoc County Comment
  CAS-BOT-BC197513  Montia fontana Bruce Bartholomew 1992-5-15 6297 Modoc N end of Surprise Valley, S of Cow Head Lake. 1600 Comment
  SEINET3026081  Montia fontana C. L. Hitchcock 1940-5-27 6697 Modoc 12 miles northeast of Alturas. 1620 Comment
  CAS-BOT-BC197542  Montia linearis Bruce Bartholomew 1990-6-17 5349 A Modoc 4 km N of Buck Creek Ranger Station at turn off to Dep Prat Spring, W side of Warner Mts. 1900 Comment
  CAS-BOT-BC197543  Montia linearis Bruce Bartholomew; Barrett Anderson 1988-5-12 4104 Modoc White Horse. 1340 Comment
  CHSC85140  Montia linearis John Dittes; Josephine Guardino 1991-6-1 375 Modoc Modoc Plateau; Big Valley; Ash Creek Wildlife Area; ca. 5.7 air-miles northeast of Bieber, ca. 7.6 air-miles west of Adin, ca. 1.5 air-mile southeast of Pilot Butte summit; meadow at northern edge of Ash Creek Floodplain (Big Swamp) at southeast base of Pilot Butte. 1258 Comment
  CAS-BOT-BC197503  Montia linearis Mrs. H. C. Cantelow 1940-6-2 4199 Modoc NW of Canby. Road to Lava Beds. Comment
  UC7866  Montia linearis Mrs. R. M. Austin 1894-1 Modoc Northern California, Modoc County Northern California; , Modoc County Comment
  CAS-BOT-BC247562  Muhlenbergia richardsonis James Vale; et al 1981-5-21 4134 Modoc From Devils Garden on Crowder Flat Road near Alturas. Comment
  CHSC109678  Muhlenbergia richardsonis Lowell Ahart; John Dittes 2012-7-10 18325 Modoc Along the south side of the drainage, northwest of the old homestead, Ash Creek State Wildlife Area, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  CHSC112838  Muhlenbergia richardsonis Lowell Ahart; John Dittes 2013-7-24 18912 Modoc Around a man made pond, north side of Ash Creek Floodplain, 0.54 mile (air) southeast of Pilot Butte Parking Area, 1.1 miles (air) south of County Road 87, 6.8 miles (air) west of Adin, Big Valley. 1263 Comment
  RSA603670  Muhlenbergia richardsonis L. C. Wheeler 1935-8-21 3901 Modoc Devil's Garden: Pine Spring 1524 Comment
  UC1254975  Muhlenbergia richardsonis Alice Eastwood and John Thomas Howell 1940-6-14 8205 Modoc near Kelley Hot Springs Comment
  SEINET10893798  Muhlenbergia richardsonis Louis C. Wheeler 1935-8-21 Wheeler 3901 Modoc Adobe between rocks in bed of seasonal stream, Pine Spring, Devil's Garden. T45N R12E S5. 1524 Comment
  CAS-BOT-BC217292  Myosurus minimus Bruce Bartholomew; Barrett Anderson 1989-6-3 4909 Modoc ca. 6 km NW of Egg Lake and ca. 0.8 km E of Service Flat Gulch. 1370 Comment
  CHSC85126  Myosurus minimus John Dittes; Josephine Guardino 1991-6-1 353 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
  SJSU9632  Myosurus minimus W. Savage 1979-7-7 1451 Modoc Triangle, W side Fairchild Swamp Unit, Modoc National Forest 1493 Comment
  UC1536811  Myriophyllum sibiricum Gordon H. True Jr 1939-7-21 1021 Modoc Jack Swamp, N of Canby. Comment
  CAS-BOT-BC198014  Navarretia breweri Francis Marion Ownbey; Frederick Gustav Meyer 1940-7-1 2146 Modoc W slope of Cedar Pass. Comment
  CAS-BOT-BC198015  Navarretia breweri Annie Montague Alexander; L. Kellogg 1946-7-7 4933 Modoc Eight Mile Creek, NE corner of county. 1752 Comment
  CAS-BOT-BC198020  Navarretia breweri Bruce Bartholomew; Barrett Anderson 1988-6-24 4354 Modoc 9.8 km SW of County road 1 on County Road 42, E side of the Warner Mts.. 1960 Comment
  CAS-BOT-BC198021  Navarretia breweri Francis Marion Ownbey; Frederick Gustav Meyer 1940-7-1 2146 Modoc W slope of Cedar Pass. Comment
  HSC80882  Navarretia breweri G. M. Riegel 1980-8-9 1018 Modoc S Warner Mtns. 2100 Comment
  UCD32713  Navarretia breweri Beecher Crampton 1954-7-7 2144 Modoc Modoc County, open slopes of cedar Pass summit. 1097 Comment
  UCSB48882  Navarretia capillaris Hardham, Clare 1961-6-18 Modoc Warner Mountain; Cedar Pass Comment
  CAS-BOT-BC198004  Navarretia divaricata subsp. vividior John Thomas Howell 1934-7-1 12323 Modoc Duncan Horse Camp. 1355 Comment
  CAS-BOT-BC198005  Navarretia divaricata subsp. vividior Milo Samuel Baker 1894-6-15 s.n. Modoc Little Hot Spring Valley. Comment
  RSA767681  Navarretia intertexta L. Ahart, John Dittes 2010-8-30 17056 Modoc North side of a small wash, about 10-15 yards west of the fence, south edge of the meadow, Ash Creek State Wildlife Area, 2300 feet north of Lassen County Line, about 3.6 air miles west of Adin, about 8 air miles northeast of Bieber, Big Valley. 1268 Comment
  CAS-BOT-BC197982  Navarretia intertexta subsp. propinqua Bruce Bartholomew 1991-7-5 5938 Modoc Dry wash draining into North Willow Creek, between Crowder Flat and the Oregon border. 1620 Comment
  RSA185430  Navarretia leptalea Clare B. Hardham 1961-6-18 s.n. Modoc Warner Mountains: Cedar Pass. Comment
  CAS-BOT-BC197959  Navarretia leucocephala subsp. minima K. Paulson; Robert Paulson 1989-7-2 158 Modoc Vicinity of Craig Spring, ca. 2 mi. NE of Happy Camp. 1447 Comment
  CAS-BOT-BC197963  Navarretia leucocephala subsp. minima Bruce Bartholomew 1995-6-4 6967 Modoc 6.3 km NW of Country Road 91 on County Road 93 between Lookout and Egg Lake. 1260 Comment
  UCD37473  Navarretia modocensis Beecher Crampton 1960-6-17 5696 Modoc Modoc County, 13 miles west of Canby, 2.5 miles northeast of Happy Camp Station, McKay Flat. 1280 Comment
  UC1587040  Navarretia sinistra G. Schoolcraft 1991-7-25 2189 Modoc about 2 mi w Canby; w of Canby 1463 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
  SEINET10458448  Nemacladus rigidus Plummer PLUMMER s.n. Modoc Near Donner Lake Comment
  CAS-BOT-BC179310  Nemophila breviflora Annie Montague Alexander; L. Kellogg 1946-6-15 4775 Modoc Deep Creek. 2133 Comment
  CAS-BOT-BC179311  Nemophila breviflora Lincoln Constance 1938-12-12 2332 Modoc Edge of Thoms Creek at foot of Bonner Grade, Cedar Pass Rd., 13.4 mi. NE of Alturas. 1524 Comment
  SEINET195695  Nemophila breviflora Annie M. Alexander, L Kellogg 1946-6-15 4775 Modoc Deep Creek 2134 Comment
  CAS-BOT-BC179300  Nemophila parviflora var. austiniae Bruce Bartholomew 1994-7-2 6811 Modoc E of Bald Mtn. on E side of the Warner Mountains. 2230 Comment
  CAS-BOT-BC179301  Nemophila parviflora var. austiniae Annie Montague Alexander; L. Kellogg 1946-6-14 4745 Modoc Barber Creek, Patterson Mill Road. 1798 Comment
  UC449918  Nemophila parviflora var. austiniae Mrs. M. H. Manning 1907-1 Modoc e side Mt. Bidwell , 12 Mile Creek (12 Mile Creek) Comment
  CAS-BOT-BC179284  Nemophila pedunculata Milo Samuel Baker 1899-8-20 Modoc Forestdale. Comment
  CAS-BOT-BC179285  Nemophila pedunculata Bruce Bartholomew; Barrett Anderson 1989-4-27 4616 Modoc 2.1 km SSE of Day on road to State Highway 299. 1020 Comment
  CAS-BOT-BC179290  Nemophila pedunculata Roxana Stinchfield Ferris; R. Duthie 1919-6-13 40 Modoc By Parker Creek. Comment
  CAS-BOT-BC179291  Nemophila pedunculata Bruce Bartholomew; M; M. Gilbert; L. E. Skog 1993-5-11 6494 Modoc Junction of Crowder Flat Road and the road to the N side of Big Sage Reservoir. 1580 Comment
  UC24289  Nemophila pedunculata Milo S. Baker 1899-8-25 Modoc Forestdale 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
  UC72016  Nemophila pedunculata Milo S. Baker 1887-1 Modoc Forestdale Comment
  POM73900  Nemophila pedunculata Mrs. R. M. Austin 1895-06 540 Modoc Goose Lake Valley. 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
  UC336782  Neoholmgrenia andina unknown Modoc Honey Lake Valley Comment
  CAS-BOT-BC349856  Nestotus stenophyllus E. K. Balls 1950-5-13 14673 Modoc West shore of Goose Lake, .2 mile south of Oregon - Calif. State Line 1463 Comment
  UC71619  Nestotus stenophyllus Mrs. M. H. Manning 472 Modoc Northeaster Modoc County Comment
  UC86616  Nestotus stenophyllus Mrs. R. M. Austin May, 1894 31 Modoc Goose Lake Valley 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
  CAS-BOT-BC58641  Noccaea fendleri subsp. glauca Annie Montague Alexander; L. Kellogg 1946-8-9 5127 Modoc Patterson Lake Trail, Warner Mts. Comment
  CAS-BOT-BC49365  Nothocalais alpestris Elmer Ivan Applegate 1936-5-11 10270 Modoc Juniper Butte, Lava Beds National Monument. Comment
  CHSC101018  Nothocalais troximoides John Dittes 2008-5-21 1520 Modoc Modoc Plateau; Big Valley; ca. 1.7 air miles south of Lookout, ca. 1.1 air miles west of County Road 91; floodplain terrace of Pit River. 1259 Comment
  JEPS79207  Nothocalais troximoides L. R. Heckard with Rimo Bacigalupi 1980-6-11 5239 Modoc junction of Parker Creek and Sheilds Creek (about 10 air mi se of Alturas); Parker Creek 1737 Comment
  UC682107  Nothocalais troximoides G. L. Stebbins Jr. with A. A. Beetle 1942-5-30 3245 Modoc 8 mi nw Canby (on road to Tule Lake) 1554 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
  NY998742  Oenothera elata var. hirsutissima M. S. Baker 1893-8-1 s.n. Modoc Big Valley Comment
  UC1540169  Oenothera flava subsp. flava Dean W. Taylor 1987-8-9 9284 Modoc 1371 Comment
  JEPS64299  Olsynium douglasii var. douglasii B. M. Payne 1930-4-19 345 Modoc s and e Alturas; Warner Mountains, Parker Creek 1828 Comment
  UCD134665  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
  RSA153383  Onopordum acanthium T. C. Fuller 1960-7-27 4992 Modoc Southeast of 4th and East Streets, Alturas Comment
  CAS-BOT-BC49372  Onopordum acanthium subsp. acanthium Bruce Bartholomew; Barrett Anderson 1990-7-19 5395 Modoc Turner Creek at County Rd 90, N end of Big Valley, 6.4 km N of Lassen County border. 1230 Comment
  CHSC112843  Onopordum acanthium subsp. acanthium Lowell Ahart; John Dittes 2013-7-24 18945 Modoc South high bank of Ash Creek Canal, south of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. 1272 Comment
  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
  UC748044  Orobanche fasciculata Annie M. Alexander and Louise Kellogg 1946-8-1 5102 Modoc Eagle Peak, Warner Mountains. Comment
  CAS-BOT-BC190783  Orobanche uniflora Edward Kent Balls 1950-5-18 14756 Modoc N of Upper Rush Creek Public Camp, 2.5 mi. E of Hwy 299. 1737 Comment
  CAS-BOT-BC248325  Orthocarpus cuspidatus B. Bartholomew; H. Sun 2002-6-24 8822 Modoc S end of Sweagert flat ca. 15.3 straight line km WNW of Aden 1820 Comment
  JEPS86677  Orthocarpus cuspidatus subsp. cryptanthus L. R. Heckard and T. I. Chuang 1990-7-14 6758 Modoc ca 2 mi n Cedar Pass (along Old Common Mill Rd, 0.7 mi e of Soldier Creek Rd); n of Cedar Pass 2075 Comment
  JEPS27957  Orthocarpus cuspidatus subsp. cryptanthus Frances D. Payne 1929-7-26 111 Modoc just nw Warren Peak (rocky flat above Walls Field, between Shields Creek and Pine Creek); w slope of the Warner Range, just nw of Warren Peak 2316 Comment
  SEINET13756734  Orthocarpus cuspidatus subsp. cryptanthus M. J. Williams 1983-7-29 83- 116 -7 Modoc Warner Mtns., 1.1 mi N of Stowe Reservoir Campground, N of Cedar Pass 2088 Comment
  RSA14097  Orthocarpus hispidus Elmer I. Applegate 1929-6-24 5894 Modoc Between Alturas and Davis Creek. Comment
  NY1101674  Osmorhiza chilensis L. Constance 1946-7-4 3103 Modoc Deep Creek 3.4 miles below summit, Warner Mountains 1829 Comment
  NY1101728  Osmorhiza depauperata L. Constance 1946-7-4 3104 Modoc Deep Creek 3.4 miles below summit, Warner Mountains Comment
  HSC21591  Osmorhiza occidentalis M. T. Milligan 1966-7-3 548 Modoc Slopes and ridges E of Jess Valley 1829 Comment
  HSC80790  Osmorhiza occidentalis G. M. Riegel 1979-7-5 500 Modoc S Warner Mtns. 2100 Comment
  NY1101853  Osmorhiza occidentalis J. T. Howell 1934-6-11 11948 Modoc Parker Creek, Warner Mountains 1585 Comment
  JEPS5967  Osmorhiza occidentalis Frances D. Payne 1931-6-21 215 Modoc under cliffs on ridge sw Dry Creek (creek is a tributary of Parker Creek, s and e of Alturas); Warner Mountains Comment
  UCR34759  Oxyria digyna J. A. Harpel 1981-8-6 V- 43 Modoc Warner Mtns, South Warner Wilderness Area: E end of Patterson Lake, 7 mi NW of Eagleville 2744 Comment
  UC190618  Oxyria digyna M. F. Gilman 511 Modoc Mt. Lake 2133 Comment
  CAS-BOT-BC50301  Packera cana Bruce Bartholomew 1990-6-17 5357 Modoc 11.3 km N of Buck Creek Ranger Station, a crest of the Warner Mountains. 2130 Comment
  CAS-BOT-BC50305  Packera cana John Thomas Howell 1934-6-30 12265 Modoc Duncan Horse Camp. 1355 Comment
  UC91710  Packera cana Mrs. R. M. Austin June 1894 242 Modoc Lava Beds Comment
  HSC6112  Packera eurycephala M. T. Milligan 1964-6-6 13 Modoc N side of Dorris Reservoir along shore 1372 Comment
  SEINET11744641 Image available Packera eurycephala M. J. Williams 1984-6-30 84- 83 -1 Modoc 16.3 mi on Parker Creek road, paved road to Cedar Pass road 1.5 mi 1524 Comment
  CAS-BOT-BC50323  Packera eurycephala var. eurycephala Francis Dorris Payne 1931-6-8 186 Modoc Parker Creek. Comment
  CAS-BOT-BC50324  Packera eurycephala var. eurycephala Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16370 Modoc Junction of Cedar Pass road with Hwy 299. Comment
  CAS-BOT-BC50325  Packera eurycephala var. eurycephala Gordon H. True 1964-6-3 1459 Modoc North fork Pit River between Alturas and Goose Lake. 1463 Comment
  POM275207  Paeonia brownii A. M. Alexander, Louise Kellogg 1946-6-15 4778 Modoc Deep Creek 2165 Comment
  RSA281693  Paeonia brownii S. O. Mattoon 1979-7-13 95 Modoc Patterson Meadows at Patterson G. S., S. Warner Mountains 22 air miles east of Highway 395 at Likely 2195 Comment
  SEINET10609328  Panicum capillare var. brevifolium Louis C. Wheeler 1935-9-13 Wheeler 3984 Modoc Among rocks in dry sunny stream bed. Fletcher Creek at Pease Place, Devil's Garden. S32 T47N, R12E. 1524 Comment
  CAS-BOT-BC225849  Parnassia fimbriata Leland S. Smith 1918-8-26 1049 Modoc Head of canyon, Owl Creek Canyon. 2286 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-BC232312  Pedicularis attollens Elmer Ivan Applegate 1929-6-24 5896 Modoc Davis Creek, E side of Goose Lake. Comment
  CAS-BOT-BC232313  Pedicularis attollens F. D. Parker 1931-6-12 153 Modoc Parker Creek, Warner Mountains 1584 Comment
  POM44194  Pedicularis attollens R. M. Austin 1895-07 409 Modoc Goose Lake Valley. Comment
  RSA531348  Pedicularis attollens K. Paulson, R. Paulson 1990-7-21 213 Modoc Patterson Meadow, Warner Mts. Comment
  POM203786  Pedicularis groenlandica J. T. Howell 1934-6-14 12140 Modoc Near Lost Lake, Warner Mts. 2439 Comment
  CAS-BOT-BC232302  Pedicularis groenlandica subsp. surrecta Bruce Bartholomew 1995-7-31 7114 Modoc Upper reaches of Goose Creek, E side of the Warner Mountains. 2160 Comment
  CAS-BOT-BC232303  Pedicularis groenlandica subsp. surrecta Annie Montague Alexander; L. Kellogg 1946-6-28 4854 Modoc Pine Creek Canyon, Warner Mountains 2240 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
  JEPS8093  Penstemon davidsonii var. davidsonii W. L. Jepson 1918-8-13 7968 Modoc Eagle Peak Warner Mts., Eagle Peak 3017 Comment
  NY590158  Penstemon davidsonii var. davidsonii B. M. Bartholomew 1991-8-5 6055 Modoc Spring northeast of Cottenwood Lake along Summit Trail from Squaw Peak to Patterson Lake, Warner Mountains. 2580 Comment
  JEPS123496  Penstemon deustus Wilson Collison, Jaileen Merced 2015-7-25 CA 320 -140 Modoc To Road 54 SW from Alturas town, take dirt road on the left before Canyon (4783). Keep straight 4 mi up to dry pit. Comment
  CAS-BOT-BC232369  Penstemon deustus var. pedicellatus Bruce Bartholomew 1990-6-15 5223 Modoc SW side of Deer Spring Ridge near the border with Lasson Co. 1720 Comment
  NY591814  Penstemon deustus var. pedicellatus B. M. Bartholomew 1989-6-3 4876 Modoc Boles Creek, ca. 5.5 km east of the southeast corner of Clear Lake Reservoir. 1430 Comment
  CAS-BOT-BC232332  Penstemon deustus var. pedicellatus John H. Hatton 1911-6-22 138 Modoc Huffman Ranch. 1615 Comment
  CAS-BOT-BC245530  Penstemon gracilentus Louis Cutter Wheeler 1935-8-8 3812 Modoc North Fork Bidwell Creek, Warner Mountains 2286 Comment
  CAS-BOT-BC245531  Penstemon gracilentus Bruce Bartholomew; Barrett Anderson 1988-7-21 4472 Modoc Vicinity of Patterson Campground, southern end of the Warner Mts. 2190 Comment
  CAS-BOT-BC245540  Penstemon gracilentus Leland S. Smith 1918-6-22 951 Modoc Lily Lake. 2042 Comment
  CAS-BOT-BC245541  Penstemon gracilentus Elmer Ivan Applegate 1932-7-31 7959 Modoc Mill Creek Meadow, Warner Mountains Comment
  UC27452  Penstemon gracilentus Milo S. Baker 1893-6 Modoc Comment
  NY601604  Penstemon heterodoxus var. shastensis J. D. Jokerst 1987-5-12 2848 Modoc Ca. 4 miles south of Doublehead Mountain, east of Highway 139, northwest of Canby Comment
  CAS-BOT-BC245525  Penstemon humilis var. humilis C. C. (Mrs.) Bruce 1899-8-1 2362 Modoc Mt. Bidwell. Comment
  CAS-BOT-BC245528  Penstemon humilis var. humilis Lindsay Stuart Smith 1924-6-12 612 Modoc unspecified Comment
  RSA504671  Penstemon janishiae K. Paulson 1988-6-1 21 Modoc Barnes Grade, Crowder Flat Road to Devil's Garden 1433 Comment
  SBBG7136  Penstemon laetus H. and M. Dearing 1939-6-7 3574 Modoc near Adin Comment
  NY604570  Penstemon laetus var. sagittatus E. K. Balls 1952-10-11 18167 Modoc 6.7 miles west of turn off Highway 139 on road to Pumice Pits at edge of Glass Flow (east edge) 1280.2 Comment
  CAS-BOT-BC232522  Penstemon roezlii Annie Montague Alexander; L. Kellogg 1946-6-12 4740 Modoc Fandango Pass road. 1706 Comment
  CAS-BOT-BC232523  Penstemon roezlii Barrett Anderson 1986-7-10 3203 Modoc West Warner Rd just S of the N Fork of Fitzhugh Creek. 1980 Comment
  CAS-BOT-BC245566  Penstemon roezlii Francis Dorris Payne 1929-6-28 29 Modoc Parker Creek. 1584 Comment
  HSC30181  Penstemon roezlii D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19391 Modoc Along Hager Basin Rd. near Big Sage Reservoir. Comment
  POM260431  Penstemon roezlii C. Leo Hitchcock 1940-5-27 6651 Modoc 9 miles northeast of Alturas. 1402 Comment
  SEINET211449  Penstemon roezlii J. L. Reveal 1971-6-22 2459 Modoc Along US Hwy 395 at Davis Creek 1454 Comment
  SFV17481  Penstemon roezlii P. Wilson 1998-7-20 3539 Modoc About 1 mile north of Cedar Pass off Highway 299. 1900 Comment
  NY650110  Penstemon roezlii B. M. Bartholomew 1988-6-23 4246 Modoc 4.2 km northwest of Day. Fall River Mills 15' Quad. 1020 Comment
  POM44789  Penstemon roezlii R. M. Austin 1895-07 579 Modoc Goose Lake Valley. Comment
  RSA101673  Penstemon roezlii L. S. Rose 1940-6-13 40562 Modoc Cedar Pass. 2119 Comment
  CAS-BOT-BC245489  Penstemon rydbergii var. oreocharis Leland S. Smith 1922-7-7 1254 Modoc High Grade N of Ft. Bidwell. 2316 Comment
  HSC20991  Penstemon rydbergii var. oreocharis M. T. Milligan 1966-7-3 529 Modoc Slopes and ridges E of Jess Valley 1829 Comment
  HSC80749  Penstemon rydbergii var. oreocharis G. M. Riegel 1980-7-2 816 Modoc S Warner Mtns. 1829 Comment
  UC748179  Penstemon rydbergii var. oreocharis Annie M. Alexander and Louise Kellogg 1946-6-14 4749 Modoc Silver Creek branch of Patterson Mill road 1828 Comment
  POM261271  Penstemon speciosus C. Leo Hitchcock 1940-5-27 6666 Modoc 15 miles northeast of Alturas. 1616 Comment
  RSA11915  Penstemon speciosus Elmer I. Applegate 1932-8-1 8037 Modoc High arid summit of Warner Mountains, south of Warren Peak. Comment
  CAS-BOT-BC214729  Peraphyllum ramosissimum Leland S. Smith 1920-6-15 1199 Modoc Plateau W of Alturas. 1341 Comment
  POM253371  Peraphyllum ramosissimum A. A. Heller 1938-6-24 15228 Modoc Occasional clumps in gravel on slopes between Alturas and Canby. 1341 Comment
  UC726024  Peraphyllum ramosissimum A. A. Heller 1938-6-24 15228 Modoc about midway between Canby and Alturas Comment
  CAS-BOT-BC15708  Perideridia bolanderi subsp. bolanderi Roxana Stinchfield Ferris; L. Lorraine 1941-8-14 10581 Modoc 3 mi. from Patterson Ranger Station on road to Eagleville. Comment
  CHSC39010  Perideridia oregana J. D. Jokerst 1983-7-12 1837 Modoc Immediately east of a large vernal lake that is just south of the jct. of Hwy 139 and Loveness Rd. 1478 Comment
  CHSC109677  Persicaria amphibia Lowell Ahart; John Dittes 2012-7-10 18327 Modoc On the drying north side of the drainage, east of the fence, northwest of the old homestead, Ash Creek State Wildlife Area, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  JEPS127289  Persicaria lapathifolia Lowell Ahart, John Dittes 2016-7-14 21189 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
  CHSC107329  Phacelia egena Lowell Ahart; John Dittes 2011-6-21 17521 Modoc About 230 yards west of the fence, uplands south of the meadow, Ash Creek State Wildlife Area, about 2,000 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  CAS-BOT-BC179276  Phacelia glandulifera Bruce Bartholomew 1991-5-24 5715 Modoc Surprise Valley, 7.7 km NE of County Rd. 37 on County Rd. 38, at the Nevada State boundary. 1370 Comment
  UC748111  Phacelia hastata Annie M. Alexander and Louise Kellogg 1946-6-30 4870 Modoc Highgrade north end of Warner Mountains (w side of ridge) 2377 Comment
  JEPS2029  Phacelia hastata subsp. compacta W. L. Jepson 1918-8-13 7980 Modoc Eagle Peak Warner Mts. 3017 Comment
  CAS-BOT-BC179264  Phacelia hastata subsp. hastata Bruce Bartholomew; Barrett Anderson 1988-7-21 4451 Modoc Vicinity of Patterson Campground, southern end of the Warner Mts. 2190 Comment
  CAS-BOT-BC179268  Phacelia hastata subsp. hastata Alice Eastwood; John Thomas Howell 1940-6-13 8174 Modoc Cedarville. Comment
  CAS-BOT-BC179257  Phacelia hastata subsp. hastata Milo Samuel Baker; Franklin P. Nutting 1894-6-5 s.n. Modoc Big Valley Mts. Comment
  CAS-BOT-BC180007  Phacelia heterophylla subsp. virgata Alice Eastwood; John Thomas Howell 1940-6-14 8240 Modoc Between Mammoth Cave and Lava Beds Nat. Mon. Comment
  CAS-BOT-BC180017  Phacelia heterophylla subsp. virgata John Thomas Howell 1934-6-11 11911 Modoc Parker Creek. 1584 Comment
  SJSU11215  Phacelia heterophylla subsp. virgata R. L. Fisher 1958-6-13 Modoc near Adin Pass on Canby-Adin Rd c. 6 mi S of Canby 1524 Comment
  SBBG30500  Phacelia humilis D. Myrick 1968-6-20 1970 Modoc Cedar Pass on St Hwy 299, E of Alturas 1920 Comment
  CAS-BOT-BC179984  Phacelia humilis var. humilis Leland S. Smith 1918-7-11 984 Modoc Mill Creek Meadow. Comment
  CAS-BOT-BC179988  Phacelia humilis var. humilis Annie Montague Alexander; L. Kellogg 1946-6-5 4660 Modoc Emerson Creek, S of Eagleville. 1783 Comment
  CAS-BOT-BC179990  Phacelia humilis var. humilis Francis Dorris Payne 1929-7-26 119 Modoc Pine Creek Basin. 2133 Comment
  CAS-BOT-BC179991  Phacelia humilis var. humilis John Thomas Howell 1934-6-13 12062 Modoc Fandango Pass. 1828 Comment
  CAS-BOT-BC179965  Phacelia inundata Dean William Taylor 1988-8-11 10036 Modoc SW shore Clera Lake Reservoir. 1362 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-BC179964  Phacelia linearis John Thomas Howell 1934-6-30 12256 Modoc Duncan Horse Camp. 1355 Comment
  JEPS91347  Phacelia linearis Dean W. Taylor 1988-6-4 9749 Modoc W shore Mud Lk, 2.6 miles South20degreesEast of Damon's Butte 1341 Comment
  RSA428041  Phacelia linearis George Willet 1935-6-12 s.n. Modoc Warren Mountains 2287 Comment
  SJSU9658  Phacelia linearis W. Savage 1979-7-8 1494 Modoc E end Fairchild Swamp Unit Triangle, Devils Garden District, Modoc National Forest 1493 Comment
  UC1299154  Phacelia linearis Freed W. Hoffman 1955-7-13 4096 Modoc one mi e Cedar Pass Camp Ground (rocky ridge at side of road) 1737 Comment
  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
  POM260898  Phacelia ramosissima var. ramosissima Alice Eastwood, J. T. Howell 1940-6-13 8116 Modoc Surprise Comment
  CAS-BOT-BC179926  Phacelia sericea var. ciliosa Robert Patterson; Mona Bourell 1993-8-15 5246 Modoc Warner Mountains. Along trail from Patterson Lake to ca. 2 mi north towards Pepperdine Trailhead. 2743 Comment
  UC748117  Phacelia sericea var. ciliosa Annie M. Alexander and Louise Kellogg 1946-8-9 5129 Modoc Patterson Lake Trail Warner Mountains Comment
  CAS-BOT-BC179907  Phacelia thermalis Bruce Bartholomew; Barrett Anderson 1989-6-3 4893 Modoc ca. 5 km E of the SE corner of Clear Lake Reservoir. 1450 Comment
  CAS-BOT-BC179917  Phacelia thermalis Alice Eastwood; John Thomas Howell 1940-6-15 8287 Modoc 9 mi. N of Lookout. Comment
  RSA502344  Phacelia thermalis D. W. Taylor, R. A. Price 1988-6-4 9761 Modoc Tule Lake Basin; Dobie Flat, ca. 2.6 miles south 10 degrees east of Casuse Mountain. 1280 Comment
  JEPS121231  Phalaris arundinacea Lowell Ahart, John Dittes 2013-7-24 18925 Modoc On the N side of the levee road, N side of Ash Creek Floodplain, 0.54 air miles SE of Pilot Butte parking area, 1.1 air miles S of County Road 87, 6.8 air miles W of Adin, Big Valley. Comment
  CHSC117250  Phleum pratense Lowelll Ahart; John Dittes 2016-7-16 21248 Modoc Between the first pond and the second going west, south of Ash Creek Canal (now filled in), south of Ash Creek, Ash Creek Staate Wildlife Area, 0.79 miles (air) west of Adin, Big Valley. 1273 Comment
  HSC65546  Phleum pratense Thomas Wood 1979-8-8 203 Modoc 1 mi. S of Ft. Bidwell, along Hwy. 1, corner house where road turns W 1372 Comment
  UCR87514  Phlox condensata George K. Helmkamp, E. A. Helmkamp 1993-5-4 s.n. Modoc 25.6 miles NW of Canby along Calif. Hwy 139 1280 Comment
  UC71717  Phlox diffusa Mrs. M. H. Manning 1903-8-27 103 Modoc Mt. Bidwell, ne Modoc County Mt. Bidwell Comment
  CAS-BOT-BC197919  Phlox douglasii subsp. rigida Elmer Ivan Applegate 1897-5-31 976 Modoc Dry Lake. Comment
  SEINET3134806  Phlox gracilis E. K. Balls 1950-5-12 14659 Modoc Bucks Creek Ranger Station, Modoc Natl. For., E of Goose Lake 1676 Comment
  CHSC42150  Phlox hoodii subsp. canescens C. E. Leaver 1986-3-16 Modoc Ca. 10.5 mi ne of Alturas and 0.3 mi sw of Gleason Ck. 1341 Comment
  RSA647581  Phlox hoodii subsp. canescens Marion P. Harthill 1972-6-17 850 Modoc Cedar Pass 1921 Comment
  RSA469949  Phlox longifolia subsp. brevifolia J. P. Smith, J. O. Sawyer 1972-5-6 5269 Modoc Along State Route 299; 4 miles west of Modoc Co. Road 58 east of Alturas. 1494 Comment
  CAS-BOT-BC197867  Phlox stansburyi Belknap C. Goldsmith 1912-5-8 45 Modoc 8 mi. NW of Alturas. Comment
  CAS-BOT-BC197870  Phlox stansburyi Bruce Bartholomew 1995-5-13 6907 Modoc 4.8 km W of Eagleville, E side of the S end of Surprize Valley. 1480 Comment
  CAS-BOT-BC197871  Phlox stansburyi E. S. Willits 1940-4-27 195 Modoc Near quarantine station, Alturas. Comment
  CHSC67577  Phlox stansburyi James D. Jokerst 1983-5-31 1814 Modoc Near Hwy. 395 S of Alturas at the base of the upper ramparts of the butte just S of Signal Butte. 1341 Comment
  CAS-BOT-BC248366  Phoenicaulis cheiranthoides B. Bartholomew; H. Sun 2002-6-24 8849 Modoc E of Bald Mt., on the E side of the Warner Mountains 2130 Comment
  CAS-BOT-BC58579  Phoenicaulis cheiranthoides Elmer Ivan Applegate 1937-5-13 11088 Modoc Lava Beds Nationa Monument, Gillam Bluff. Comment
  CAS-BOT-BC58583  Phoenicaulis cheiranthoides Elmer Ivan Applegate 1932-8-5 8165 Modoc S slope of Cedar Mountain, Cedar Pass, Warner Mts. Comment
  CAS-BOT-BC58584  Phoenicaulis cheiranthoides C. L. Hitchcock 1940-5-27 6673 Modoc 15 mi. NE of Alturas. 1615 Comment
  CAS-BOT-BC58585  Phoenicaulis cheiranthoides Elmer Ivan Applegate 1937-5-13 11088 Modoc Lava Beds Nationa Monument, Gillam Bluff. Comment
  RSA59938  Phoenicaulis cheiranthoides E. K. Balls 1950-5-12 14646 Modoc About Bucks Creek Ranger Station, Modoc National Forest, east of Goose Lake. 1707 Comment
  UC10759  Phoenicaulis cheiranthoides Mrs. R. M. Austin and Bruce June 1898 2153 Modoc Goose Lake Comment
  UC10760  Phoenicaulis cheiranthoides Milo S. Baker 1893-6-13 Modoc near Pitt River Comment
  UC117652  Phoenicaulis cheiranthoides unknown Apr. 1890 465 Modoc Goose Lake Valley Comment
  UC856738  Phoenicaulis cheiranthoides C. L. Hitchcock 1940-5-27 6673 Modoc 15 mi ne of Alturas 1615 Comment
  UCD116138  Phoenicaulis cheiranthoides Alan A. Beetle 1941-6-29 2831 Modoc Near summit of Cedarville Pass. 2118 Comment
  CAS-BOT-BC58640  Physaria occidentalis Bruce Bartholomew 1991-8-5 6067 Modoc Summit Trail between Squaw Peak and Cottenwood Lake along crest of Warner Mts. 2530 Comment
  HSC80919  Pinus albicaulis G. M. Riegel 1978-7-4 480 Modoc S Warner Mtns. 1829 Comment
  RSA6893  Pinus albicaulis Elmer I. Applegate 1932-7-9 7587 Modoc Near summit of Bidwell Mountain, Warner Range. Comment
  CAS-BOT-BC30200  Pinus contorta subsp. murrayana Bruce Bartholomew 1990-8-5 5686 Modoc Summit Trail, ca. 2 km N of Patterson Ranger Station, W side of Warner Mts. 2400 Comment
  CAS-BOT-BC73240  Pinus contorta subsp. murrayana A. D. Borden 1911-6-15 s.n. Modoc Head of middle fork of Davis Creek. Comment
  CAS-BOT-BC73241  Pinus contorta subsp. murrayana Elmer I. Applegate 1932-8-2 8100 Modoc Mill Creek Meadows, west slope of Warner Mountains. 2438 Comment
  UC705550  Pinus monticola Marion Ownbey, Fred G. Meyer 1940-7-1 2153 Modoc near summit Clear Peak; Warner Mts, Clear Peak Comment
  UC400277  Pinus ponderosa Mrs. M. H. Manning 1905-1-1 Modoc Comment
  SEINET12616116  Pinus ponderosa var. ponderosa David A. Charlet 1994-7-7 1933 Modoc Warner Mountains near Surprise Valley floor at Lake City turnoff. 1433 Comment
  UC1483829  Piperia unalascensis G. Schoolcraft 1980-7-22 324 Modoc w of Lake City (about halfway up Lake City Canyon); Lake City Canyon 1889 Comment
  CHSC112757  Plagiobothrys cusickii Lowell Ahart; John Dittes 2013-7-24 18920 Modoc Around a man made pond, north side of Ash Creek Floodplain, 0.54 mile (air) southeast of Pilot Butte Parking Area, 1.1 miles (air) south of County Road 87, 6.8 miles (air) west of Adin, Big Valley. 1263 Comment
  UC1191842  Plagiobothrys cusickii Herbert L. Mason and Verne Grant 1947-7-12 13394 Modoc off Highway 395 several mi s Alturas (irrigation ditch by Jones' Lane) Comment
  SJSU9624  Plagiobothrys cusickii W. Savage 1979-7-7 1435 Modoc Triange, Fairchild Swamp Unit, Devils Garden District, Modoc National Forest 1493 Comment
  JEPS118249  Plagiobothrys hispidulus Lowell Ahart, John Dittes 2011-6-22 17540 Modoc On the west side of the road, about 50 yards north of the Pilot Butte Parking Lot, north edge of Ash Creek Floodplain, 1.1 miles (air) south of County Road 87, 7.7 miles (air) west of Adin, 10 miles (air) east of Lookout, Big Valley 1264 Comment
  JEPS127158  Plagiobothrys hispidulus Lowell Ahart, John Dittes 2016-7-16 21255 Modoc South of Ash Creek State, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.7 miles (air) west of Adin Big Valley. Comment
  CAS-BOT-BC58792  Plagiobothrys leptocladus Louis Cutter Wheeler 1935-8-25 3917 Modoc Rim Rock Valley, Devil's Garden. 1524 Comment
  RSA0118718  Plagiobothrys leptocladus L. P. Janeway, B. Castro 2014-6-3 11321 Modoc Great Basin. Big Mud Lake, near the northwest edge. 1637 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
  UC24562  Plagiobothrys reticulatus M. S. Baker and Frank Nutting 1894-6-4 Modoc Little Hot Spring Valley Comment
  GMDRC7868  Plagiobothrys salsus Ron Kelley 2006-6-27 Modoc Surprise Valley: east of Warner Mountains, near Cedarville 1363 Comment
  CAS-BOT-BC58736  Plagiobothrys scouleri Clare Butterworth Hardham 1961-6-17 Modoc Cedar Pass Camp Ground. Comment
  RSA611433  Plagiobothrys scouleri L. C. Wheeler 1936-8-16 3865 Modoc Dismal Swamp, Twenty-Mile Creek, Warner Nts. 2226 Comment
  CAS-BOT-BC58759  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
  UC1191844  Plagiobothrys stipitatus var. micranthus Herbert L. Mason and Verne Grant 1947-7-12 13410 Modoc s of Alturas (w side of Pit River Valley); Pit River Valley Comment
  UC280352  Plagiobothrys tenellus Milo S. Baker 1896-5-20 75 Modoc Big Val-Johnson's Comment
  CAS-BOT-BC190749  Plantago lanceolata Bruce Bartholomew 1990-8-3 5614 Modoc 8 km E of Likely on road to Jess Valley. Along S Fork of the Pit River. 1420 Comment
  UC429096  Platanthera Mrs. Austin Jul 1894 127 Modoc Lassen Creek Comment
  POM107743  Platanthera stricta Mrs. R. M. Austin 1895-07 s.n. Modoc Davis Creek Comment
  CAS-BOT-BC245396  Plectritis macrocera Bruce Bartholomew; Barrett Anderson 1988-5-13 4141 Modoc Along Parker Creek Road, 2.7 km W of Modoc National Forest and ca. 16 km WSW of Alturas, W side of the Warner Mountains. 1490 Comment
  CAS-BOT-BC245402  Plectritis macrocera Roxana Stinchfield Ferris; R. Duthie 1919-6-14 73 Modoc Along Parker Creek, Warner Mountaisn. Comment
  POM319516  Poa Patricia Wilder 1971-6-20 5080 Modoc North part of Egg Lake (now a meadow), northwest of Lookout; north of Bieber and California State Highway 299; Modoc National Forest. Cascades Mt. Range. 1372 Comment
  CAS-BOT-BC247583  Poa bulbosa Bruce Bartholomew; Barrett Anderson 1988-5-12 4109 Modoc S side of Egg Lake. 1300 Comment
  HSC80830  Poa bulbosa G. M. Riegel 1980-6-30 788 Modoc S Warner Mtns. 2100 Comment
  SEINET201657 Image available Poa canbyi Unknown 1959-6-19 8491 Modoc At Clear Lake; Warner Mts. 15 miles east of Likely . 1769 Comment
  CHSC85107  Poa compressa John Dittes; Josephine Guardino 1991-7-21 440 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
  UCD90862  Poa compressa August L. Hormay 1932-8-3 s.n. Modoc Modoc National Forest. Buck Creek Ranger Station. Front lawn. Comment
  RSA534588  Poa nervosa Bruce Bartholomew, B. Anderson 1990-7-20 5544 Modoc N edge of Howard Flat, W side of Warner Mts. 2000 Comment
  CHSC85133  Poa pratensis John Dittes; Josephine Guardino 1991-7-21 435 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
  HSC80838  Poa pratensis G. M. Riegel 1979-7-13 527 Modoc South Warner Mtns. 2100 Comment
  UCD91855  Poa pratensis J. E. Coke 1932-11-1 s.n. Modoc Modoc County. Comment
  SEINET10966925  Poa pratensis Billy Joe Cox, David B. Dunn 1971-6-3 Cox 2615 Modoc 4 mi S of Davis Creek on US Hwy 395; in very mesic grassland-sedge meadow; lupines very sparse and approximately a week or more behind the flowering of those near Alturas. 1402 Comment
  CAS-BOT-BC247614  Poa pratensis subsp. pratensis Bruce Bartholomew 1990-6-17 5308 Modoc Vicinity of Emerson Camp near roadhead, E side of Warner Mts. 1750 Comment
  CAS-BOT-BC247618  Poa pratensis subsp. pratensis Bruce Bartholomew 1992-5-15 6289 Modoc Vicinity of Leonard Hot Spring, E side of Surprise Valley. 1370 Comment
  CAS-BOT-BC247620  Poa pratensis subsp. pratensis Robert Patterson; Mona Bourell 1993-8-15 5274 Modoc Warner Mountains. Along trail from Patterson Lake to ca. 2 mi north towards Pepperdine Trailhead. 2743 Comment
  JEPS120882  Poa pratensis subsp. pratensis Lowell Ahart, John Dittes, Todd Sloat 2013-6-8 18767 Modoc About 300 yards NE of the Parking Area, NE of the old barn, Ash Creek Wildlife Area, about 3.9 air miles W of Adin, about 7.7 air miles NE of Bieber, Big Valley. Comment
  CAS-BOT-BC247621  Poa pratensis subsp. pratensis John H. Hatton 1911-6-12 46 Modoc Modoc County. 1493 Comment
  POM265912  Poa secunda C. L. Hitchcock 1940-5-27 6732 Modoc 12 miles NE of Alturas. 1616 Comment
  UCD90410  Poa secunda J. C. Hayes 1935-6-25 s.n. Modoc Alturas. Comment
  UCD90463  Poa secunda E. Wilson 1935-5-15 s.n. Modoc 20 miles W of Alturas. Comment
  JEPS45879  Poa secunda subsp. juncifolia L. S. Smith July 1920 1167 Modoc Crower Flat Comment
  UCD92166  Poa secunda subsp. juncifolia Beecher Crampton 1954-7-6 2085 Modoc 4 miles N of Likely, along US Hwy 395. Comment
  CAS-BOT-BC247604  Poa secunda subsp. secunda Alan Ackerman Beetle 1941-6-29 2827 Modoc Near summit of Cedarville Pass. 2118 Comment
  CAS-BOT-BC247608  Poa secunda subsp. secunda Bruce Bartholomew; Mona Bourell 1990-4-26 5153 Modoc 0.5 km S of Day. 1100 Comment
  CAS-BOT-BC247658  Poa secunda subsp. secunda E. S. Willits 1940-5-6 217 Modoc Near Lassen Creek, Willow Ranch. Comment
  CAS-BOT-BC247667  Poa secunda subsp. secunda Isabel T. Kelly 1930-1-1 s.n. Modoc Modoc County. Comment
  CHSC67417  Poa secunda subsp. secunda James D. Jokerst 1986-8-11 2758 Modoc Radar Site Survey S of Doublehead Mtn., S of road to Doublehead Mtn., in vernal pool. Comment
  JEPS74052  Poa secunda subsp. secunda Frances D. Payne 1932-7-3 595 Modoc s and e Alturas (Parker Creek); Warner Mts 1584 Comment
  UCD92107  Poa secunda subsp. secunda L. Whitney 1935-7-21 3586 a Modoc Modoc National Forest. Happy Camp, 15 miles W of Canby. 1463 Comment
  CAS-BOT-BC252515  Poa wheeleri Bruce Bartholomew 1991-6-20 5789 Modoc Top of Fox Mountain, ca. 10 airline km NW of Adin. 1900 Comment
  CAS-BOT-BC252520  Poa wheeleri Bruce Bartholomew; Barrett Anderson 1989-6-2 4774 Modoc Buck Creek, 1 cm NE of Fandango Pass Road, W side of the Warner Mountains. 1660 Comment
  CAS-BOT-BC252521  Poa wheeleri Bruce Bartholomew; Barrett Anderson 1990-7-20 5544 Modoc N edge of Howard Flat, W side of Warner Mts. 2000 Comment
  HSC80842  Poa wheeleri G. M. Riegel 1979-7-23 585 Modoc S Warner Mtns. 1829 Comment
  CAS-BOT-BC252514  Poa wheeleri John H. Hatton 1911-6-10 30 Modoc Modoc County. 1371 Comment
  CAS-BOT-BC179350  Pogogyne floribunda James D. Jokerst 1987-7-13 2945 Modoc W of Sector 4 of the Air Force Backscatter Radar site. Ca. 3 mi. S of Doublehead Mountain. Comment
  CAS-BOT-BC179351  Pogogyne floribunda James D. Jokerst 1986-8-11 2762 Modoc Ca. 1.2 mi. 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
  CAS-BOT-BC197858  Polemonium micranthum Bruce Bartholomew 1994-5-14 6687 Modoc 5.1 km SE of Burlington Railroad Northern railroad track on road between Egg Lake and Lookout. 1400 Comment
  CHSC85187  Polemonium micranthum John Dittes; Josephine Guardino 1991-6-1 378 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
  UC907837  Polemonium micranthum John Chattin, Dan Tillotson 1947-5-7 40 Modoc Alturas Comment
  CAS-BOT-BC197854  Polemonium occidentale Barrett Anderson 1986-7-10 3202 Modoc West Warner Rd at the North Fork of Pine Creek. 1935 Comment
  UC1036075  Polemonium pulcherrimum subsp. pulcherrimum Annie M. Alexander and Louise Kellogg 1946-8-1 5106 Modoc n slope Eagle Peak , n slope Eagle Peak (Warner Mountains) Comment
  POM260727  Polyctenium fremontii Alice Eastwood, J. T. Howell 1940-6-15 s.n. Modoc Near Perez Comment
  NY404674  Polygonum austiniae R. M. Austin 1886-1 s.n. Modoc Comment
  JEPS79753  Polygonum aviculare Louis C. Wheeler 1935-8-28 3928 Modoc 1 1/2 mi s Lakeshore Reservoir; Devil's Garden 1524 Comment
  OBI70870  Polygonum aviculare Louis C. Wheeler 1935-8-26 3922 Modoc Modoc Plateau: 1 mi NW of Mud lake, Devil's Garden 1524 Comment
  UC6665  Polygonum bistortoides Milo S. Baker Jun 19 1893-Jul 8 1893 Modoc Comment
  RSA530111  Polygonum buxiforme D. W. Taylor, G. L. Clifton 1989-8-6 10486 Modoc bed of Snake Lake 1570 Comment
Read comments
Mar 12 2011
  CDA2799  Polygonum convolvulus T. C. Fuller 1958-7-8 2019 Modoc Davis Creek. 0 Comment
  CAS-BOT-BC218139  Polygonum douglasii Alice Eastwood; John Thomas Howell 1914-6-14 8227 Modoc 8 mi. NW of Canby. Comment
  POM312535  Polygonum douglasii H. L. Mason, Verne Grant 1937-7-13 13451 Modoc On Obsidian rubble, W end of Fandango Pass, near Goose Lake, on road to Fort Bidwell Comment
  UC466035  Polygonum douglasii subsp. austiniae Mrs. R. M. Austin Aug. 1894 304 Modoc Davis Creek Comment
  UC167997  Polygonum douglasii subsp. austiniae Mrs. Austin 1885-6-7 Modoc Sage Brush Plains Comment
  UC465749  Polygonum douglasii subsp. austiniae Mrs. Austin 1886-1 Modoc Comment
  UC1191246  Polygonum douglasii subsp. douglasii Herbert L. Mason and Verne Grant 1937-7-13 13451 Modoc w end of pass near Goose Lake (on road to Fort Bidwell); Fandango Pass Comment
  CDA15889  Polygonum lapathifolium J. DiTomaso 2000-7-25 s.n. Modoc Modoc Plateau; Along Eastside Canal, 1/4 mi. W of US Hwy 395 off Jones Lane, and 1/2 mi. S of southern tip of Modoc National Wildlife Refuge. 1371 Comment
  CDA22825  Polygonum lapathifolium T. C. Fuller 1958-8-12 2070 Modoc Corporation Ranch, Likely. 0 Comment
  CAS-BOT-BC218162  Polygonum polygaloides Bruce Bartholomew; Barrett Anderson 1990-7-19 5432 Modoc Sweagert Flat. 1860 Comment
  CAS-BOT-BC218163  Polygonum polygaloides Bruce Bartholomew; Barrett Anderson 1990-7-20 5520 Modoc Tamarack Flat, E side of Warner Mts. 2150 Comment
  CHSC14077  Polygonum polygaloides subsp. confertiflorum K. R. Stern; D. B. Joley, J. G. Geschke 1974-6-22 5826 Modoc W side of Egg Lake. 1775 Comment
  POM260894  Polygonum polygaloides subsp. confertiflorum Alice Eastwood, John T. Howell 1940-6-14 8228 Modoc 8 miles NW of Canby Comment
  RSA125790  Polygonum polygaloides subsp. confertiflorum H. L. Mason 1957-6-21 14706 Modoc W side of Said Valley Comment
  RSA32012  Polygonum polygaloides subsp. confertiflorum A. A. Heller 1938-6-24 15230 Modoc 2 miles E of McArthur. 1037 Comment
  RSA638221  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
  UC1093678  Polygonum polygaloides subsp. confertiflorum H. L. Mason 1955-8-14 14657 Modoc n Everly Reservoir Comment
  JEPS49471  Polygonum polygaloides subsp. esotericum Louis C. Wheeler 1935-8-25 3918 Modoc Rim Rock Valley Reservoir, Devils Garden, Mt. Diabllo Mer. Devils Garden; Rim Rock Valley Reservoir, Devils Garden 1524 Comment
  CAS-BOT-BC218183  Polygonum polygaloides subsp. kelloggii Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10553 Modoc Patterson Ranger Station (East Creek drainage), Warner Mts. 2164 Comment
  UC6708  Polygonum polygaloides subsp. kelloggii M. S. Baker and Frank Nutting 1894-6-8 Modoc Egg Lake Comment
  CDA15890  Polygonum punctatum J. DiTomaso 2000-7-25 s.n. Modoc Modoc Plateau; Along Eastside Canal, 1/4 mi. W of US Hwy 395 off Jones Lane, and 1/2 mi. S of southern tip of Modoc National Wildlife Refuge. 1371 Comment
  CDA22856  Polygonum ramosissimum T. C. Fuller 1958-8-12 2068 Modoc Corporation Ranch, Likely. 0 Comment
  CAS-BOT-BC218149  Polygonum spergulariiforme Alice Eastwood; John Thomas Howell 1940-6-15 8289 Modoc 9 mi. N of Lookout. Comment
  UC1037169  Polypogon monspeliensis Leo Whitney 1935-7-17 3514 Modoc Hackamore Lake Joaquina (ca 15 mi nw of Canby, Modoc National Forest); Modoc National Forest, , Hackamore 1463 Comment
  UC1027185  Porterella carnosula Annie M. Alexander and Louise Kellogg 1946-7-11 4975 Modoc mesa w Eight Mile Creek (ne corner of county); mesa w Eight Mile Creek Comment
  UCD169695  Porterella carnosula Louis C. Wheeler 1935-8-22 3908 Modoc Devil's Garden: South Mt. Reservoir. 1524 Comment
  SD230197  Porterella carnosula Louis C. Wheeler 1935-8-3 3756 Modoc Warner Mountains: Rock Lake, Pine Creek. Sunny bottom of dried pool 1920 Comment
  UC1099863  Potamogeton foliosus Verne Grant, Irving Schneider 1947-7-29 8178 Modoc s of Alturas (near Payne Reservoir); Fitzhugh Creek Comment
  UCD138231  Potamogeton foliosus Verne Grant; Irving Schneider 1947-7-29 8178 Modoc Fitzhugh Creek, near Payne Reservoir, south of Alturas. Comment
  POM208870  Potamogeton foliosus subsp. fibrillosus Milo S. Baker 1899-8-24 s.n. Modoc Carmichael s Mill, Big Valley Comment
  POM313026  Potamogeton illinoensis Verne Grant, Irving Schneider 1947-8-29 8353 Modoc Pit River, at bridge by Coal Stone Valley. Comment
  RSA252438  Potamogeton natans Robert F. Thorne, C. W. Tilforth 1969-9-5 39146 Modoc North of South Fork of Pit River above jct. with West Creek at Public Campground, ca. 6 mi. E of Likely. 1402 Comment
  UCSC001853  Potamogeton natans M. S. Baker 1899-8-18 s.n. Modoc pond Little Hotsprings Valley Little Hotsprings Valley Comment
  CAS-BOT-BC242229  Potamogeton nodosus Milo Samuel Baker 1899-8-24 s.n. Modoc Pit River at Lookout. Comment
  UC1536815  Potamogeton pectinatus Gordon H. True Jr. 1939-6-6 1009 Modoc near Canby; Gooch Swamp Comment
  HSC17799  Potamogeton pusillus M. S. Baker 1899-8-24 Modoc Carmichaels Mill, Big Valley Comment
  UC1100036  Potamogeton pusillus var. pusillus Verne Grant, Irving Schneider 1947-7-19 8069 Modoc s of Alturas (s of south loop road); Corporation Ranch Comment
  RSA59545  Potentilla anserina E. K. Balls 1950-5-10 14595 Modoc West shore Middle Lake, near Cedarville. 1402 Comment
Read comments
Feb 22 2013
  HSC18776  Potentilla biennis M. T. Milligan 1966-6-29 491 Modoc Slopes and ridges E of Jess Valley 1646 Comment
  JEPS47228  Potentilla breweri Frances D. Payne 1931-6-29 304 A Modoc e slope of Mt. Warren Warner Mts., e slope of Mt. Warren 2286 Comment
  CHSC109481  Potentilla bruceae L. P. Janeway; B. Castro 2012-7-27 11023 Modoc Warner Mountains. North-sloping meadow opening just above Mineral spring, 0.5 air km east of Yellow Mountain. 2361 Comment
  RSA520455  Potentilla fruticosa K. Paulson 1990-7-2 212 Modoc Dismal Swamp, Warner Mts. 2195 Comment
  CAS-BOT-BC214779  Potentilla gracilis John Thomas Howell 1934-6-12 12029 Modoc Plum Valley, Warner Mts. Comment
  CAS-BOT-BC214793  Potentilla gracilis Roxana Stinchfield Ferris; L. Lorraine 1941-8-14 10541 Modoc Patterson Ranger Station (East Creek drainage). 2164 Comment
  CHSC70769  Potentilla gracilis var. fastigiata A. Sanger 1997-6-11 2512 Modoc Meadow on the east side of road 44N69. Warner Mountain Ranger District. 1981 Comment
  HSC18739  Potentilla gracilis var. fastigiata M. T. Milligan 1965-6-26 317 Modoc N end Jess Valley. 1616 Comment
  JEPS47213  Potentilla gracilis var. fastigiata Frances D. Payne 1931-6-17 182 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  UC545657  Potentilla gracilis var. fastigiata John Thomas Howell 1934-7-1 12303 Modoc Duncan Horse Camp Comment
  JEPS44229  Potentilla gracilis var. flabelliformis W. L. Jepson 1918-8-14 7984 Modoc Jess Valley 1584 Comment
  JEPS44457  Potentilla gracilis var. flabelliformis Milo S. Baker 1893-7-2 Modoc Forestdale Comment
  POM224087  Potentilla newberryi J. T. Howell 1934-7-2 12356 Modoc Nigger Ben Spring, SE end of Clear Lake. Comment
  POM312892  Potentilla newberryi Verne Grant, Irving Schneider 1947-8-27 8313 Modoc Southwest end of Clear Lake. Comment
  UC545841  Potentilla newberryi Leo Whitney 1934-5-20 3031 Modoc near Clear Lake (bank of Lost River, Northern Modoc County); near Clear Lake, Bank of Lost River 1463 Comment
  UC1191493  Potentilla rivalis Verne Grant, Irving Schneider 1947-8-27 8318 Modoc sw end Clear Lake; sw end of Clear Lake Comment
  CAS-BOT-BC225034  Poteridium annuum Bruce Bartholomew 1991-7-4 5899 Modoc S end of Higgins Flat. 1370 Comment
  JEPS119665  Poteridium annuum Lowell Ahart, John Dittes 2012-7-11 18341 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
  UCD38340  Poteridium annuum Beecher Crampton; with Carl Rimbey 1954-7-7 2141 Modoc Warner mountains, west side of Cedar Pass. Comment
  CAS-BOT-BC225035  Poteridium annuum D. Toren; Barbara Trowbridge 1975-6-20 5142 Modoc Jess Valley, East of Likely 1097 Comment
  CAS-BOT-BC214803  Prunus emarginata Bruce Bartholomew 1989-7-15 5019 Modoc Manzanita Lookout, top of Manzanita Mountain. 2130 Comment
  UC748477  Prunus emarginata Annie M. Alexander and Louise Kellogg 1946-6-8 4705 Modoc road to Patterson Mill from Eagleville (e slope of Warner Mountains); Warner Mountains 2194 Comment
  CAS-BOT-BC214813  Prunus subcordata Elmer Ivan Applegate 1897-6-2 861 Modoc Near Likely, upper Pit River Watershed. Comment
  CHSC106334  Prunus subcordata Lowell Ahart; John Dittes 2010-8-30 17062 Modoc Around a large rock, near the homestead, about 100 yards east of the fence, 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
  JEPS19415  Prunus subcordata B. C. Goldsmith Modoc Myrtle Creek Canyon near Goose Lake Valley (w slope of Warner Mountains, northeastern Modoc County); Warner Mountains, Myrtle Creek Canyon 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
  RSA210821  Prunus subcordata Robert F. Thorne, C. W. Tilforth 1969-9-4 39053 Modoc N Fork of Pit River. 6.8 miles N of parker Creek on Hwy 395. Comment
  RSA59642  Prunus subcordata E. K. Balls 1950-5-12 14651 Modoc N of Bucks Creek Ranger Station. Modoc National Forest. 1829 Comment
  CAS-BOT-BC225005  Prunus virginiana var. demissa Bruce Bartholomew; Barrett Anderson 1989-6-1 4733 Modoc Shake Spring, NW side of Shaffer Mountain. 1500 Comment
  CAS-BOT-BC225008  Prunus virginiana var. demissa K. Paulson; Robert Paulson 1988-5-22 3 Modoc Boles Creek, Devil's Garden. 1402 Comment
  CAS-BOT-BC225015  Prunus virginiana var. demissa Roxana Stinchfield Ferris; R. Duthie 1919-6-14 129 Modoc Parker Creek below Modoc Nat. Forest Boundary. Comment
  CAS-BOT-BC225018  Prunus virginiana var. demissa Thomas C. Fuller 1963-7-16 11008 Modoc S side of Fandango Pass Rd. just E of road to Willow Ranch, W base of Warner Mts. Comment
  CAS-BOT-BC239794  Pseudoroegneria spicata B. Bartholomew; B. Anderson 1990-7-20 5491 Modoc 10.3 km N of Buck Creek Ranger Station, crest of Warner Mountains W side of Warner Mts. 2130 Comment
  CAS-BOT-BC252504  Pseudoroegneria spicata subsp. spicata Leland S. Smith 1917-7-17 86 Modoc Granger Mill Camp. 1676 Comment
  CAS-BOT-BC252505  Pseudoroegneria spicata subsp. spicata John H. Hatton 1911-6-24 166 Modoc unspecified Comment
  UC1024989  Pseudoroegneria spicata subsp. spicata Leo Whitney 1935-7-11 3455 Modoc 15 mi nw of Canby (Modoc National Forest, Hackamore); Modoc National Forest, Hackamore 1463 Comment
  UC188857  Pseudoroegneria spicata subsp. spicata Milo S. Baker Modoc near Forestdale Comment
  CAS-BOT-BC95219  Pseudostellaria jamesiana Bruce Bartholomew 1992-5-14 6278 Modoc SW side of White Horse Mountains, SW of White Horse Flat Reservoir. 1370 Comment
  NY1083719  Pseudostellaria jamesiana M. J. Williams 1984-6-28 84- 67 --3 Modoc 2 miles north of intersection between Soldier Creek and Old Cannon Mill roads. Warner Mountains, north of Cedar Pass 2057 Comment
  UC21685  Pterospora andromedea Milo S. Baker 1893-6 Modoc Comment
  CAS-BOT-BC252548  Puccinellia lemmonii Arnold Tiehm; et al 1984-6-1 8799 Modoc Surprise Valley, E side of Middle Alkali Lake E of Cedarville. 1356 Comment
  UCD91882  Puccinellia lemmonii Beecher Crampton 1954-7-6 2084 Modoc Modoc County, 4 miles north of Likely, flat along US highway 395. Comment
  UCD91885  Puccinellia lemmonii Beecher Crampton 1954-7-8 2189 Modoc Modoc County, 1.5 miles west of Altura, extension of 4th Street. Comment
  CAS-BOT-BC218228  Purshia tridentata var. tridentata John Thomas Howell 1934-6-12 12041 Modoc N side of Fandango Valley. Comment
  CAS-BOT-BC218230  Purshia tridentata var. tridentata Doris K. Kildale 1927-9-11 2775 Modoc Near Alturas. 1371 Comment
  CAS-BOT-BC218231  Purshia tridentata var. tridentata A. D. Borden 1911-8-9 Modoc S slope of Shields Creek. Comment
  CAS-BOT-BC218240  Purshia tridentata var. tridentata Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-15 16495 Modoc SE flank of Glass Mt., near Modoc-Siskiyou County line. Comment
  RSA59519  Purshia tridentata var. tridentata E. K. Balls 1950-5-21 4850 Modoc Opposite South Fork Public Camp. South Fork Pit River. 1479 Comment
  CAS-BOT-BC218241  Purshia tridentata var. tridentata John H. Hatton 1911-6-10 20 Modoc Modoc County. 1524 Comment
  HSC17976  Pyrola dentata M. T. Milligan 1966-8-11 646 Modoc E of Jess Valley 1768 Comment
  CAS-BOT-BC95692  Pyrola picta Bruce Bartholomew 1994-8-22 6870 Modoc Squaw Peak Trail, E side of the Warner Mountains. 2350 Comment
  NY188342  Pyrola picta M. S. Baker 1893-7-20 Modoc Comment
  SEINET195665  Pyrola picta Unknown 1946-8-8 5121 Modoc Deep Creek Canyon, Warner Mountains. Comment
  CAS-BOT-BC50390  Pyrrocoma carthamoides var. cusickii Alice Eastwood; John Thomas Howell 1940-6-14 8200 Modoc Near Kelly Hot Spring. Comment
  CAS-BOT-BC50393  Pyrrocoma carthamoides var. cusickii Barrett Anderson 1986-7-9 3136 Modoc Poney Flat Rd just off Hwy 299. 1435 Comment
  CAS-BOT-BC50394  Pyrrocoma carthamoides var. cusickii Bruce Bartholomew; Barrett Anderson 1990-7-20 5461 Modoc 4 km N of Buck Creek Ranger Station at turn off to Del Prat Spring, W side of Warner Mts. 1900 Comment
  CAS-BOT-BC50395  Pyrrocoma carthamoides var. cusickii George Ledyard Stebbins; J. A. Jenkins 1937-7-15 2374 Modoc Round Valley along state Hwy. 1066 Comment
  CAS-BOT-BC50356  Pyrrocoma lanceolata var. lanceolata Alice Eastwood; John Thomas Howell 1940-6-14 8198 Modoc 6 mi. W of Alturas. Comment
  CHSC112981  Pyrrocoma lanceolata var. lanceolata Lowell Ahart; John Dittes 2013-7-25 18959 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-BC180123  Quercus kelloggii Leland S. Smith 1922-8-1 1326 Modoc Bieber Allot foothills, S of Thompson's. 1219 Comment
  CHSC37773  Ranunculus andersonii N. Prouty 1980-6-9 184 Modoc Sheep Rock Timber Sale. 2072 Comment
  JEPS81763  Ranunculus andersonii Mary H. Manning Modoc Comment
  SEINET5338403  Ranunculus aquatilis E. K. Balls 1950-5-18 14765 Modoc Just south of Adin, in city limit, by turn to Madeline off Hwy. 299. 1280 Comment
  UC827625  Ranunculus aquatilis var. capillaceus C. L. Hitchcock 1940-5-28 6721 Modoc 15 mi n Alturas (near Surprise) 1402 Comment
  CHSC99768  Ranunculus aquatilis var. diffusus Lowell Ahart; John Dittes 2008-6-21 14989 Modoc 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
  UCD95864  Ranunculus aquatilis var. diffusus Robbins; Raynor 1943-6-1 s.n. Modoc Corporation Ranch near Likely. Comment
  POM312417  Ranunculus cymbalaria var. saximontanus H. L. Mason 1947-8-15 13552 Modoc Mouth of Crane Creek on Willow Ranch, east side of Goose Lake. Comment
  CHSC42167  Ranunculus glaberrimus C. E. Laver 1986-3-26 Modoc Ca. 11.5 mi ne of Alturas and 1 mi sw of Thoms Creek. In a meadow. 1524 Comment
  SEINET3161109  Ranunculus glaberrimus E. K. Balls 1950-5-10 15968 Modoc Cedar Pass; on way from Alturas to Cedarville 1829 Comment
  UC72004  Ranunculus glaberrimus Milo S. Baker Modoc Big Valley Comment
  RSA60359  Ranunculus glaberrimus var. ellipticus E. K. Balls 1950-5-10 15968 Modoc Seepage from snow, Cedar Pass, W slope on way from Alturas to Cedarville. 1829 Comment
  UC118239  Ranunculus hebecarpus T. S. Brandegee and Mrs. R. M. Austin 212 Modoc Comment
  UC1126194  Ranunculus occidentalis R. C. Wilson 1933-5-21 22 Modoc Rush Creek Canby Quadrangle Comment
  JEPS60694  Ranunculus occidentalis Frances D. Payne 1929-7-1 34 Modoc about 3 mi n Parker Creek; Warner Mountains, Fern Spring Gulch 1584 Comment
  POM275139  Ranunculus occidentalis var. eisenii A. M. Alexander, Louise Kellogg 1946-6-7 4672 Modoc 0.5 miles E of Cedarville. 1454 Comment
  HSC80769  Ranunculus occidentalis var. occidentalis G. M. Riegel 1980-7-1 793 Modoc S Warner Mtns. 2100 Comment
  SEINET12091408  Ranunculus orthorhynchus A. Seneres, Harold, N. 1983-1 106 Modoc Warner Mts Comment
  JEPS55150  Ranunculus orthorhynchus var. orthorhynchus Milo S. Baker 1893-6-27 Modoc Comment
  UC9470  Ranunculus orthorhynchus var. orthorhynchus Milo S. Baker 1893-6-27 Modoc Comment
  RSA8216  Ranunculus oxynotus Elmer I. Applegate 1932-8-3 8133 Modoc E slope of Eagle Peak, near summit, Warner Mts. 2744 Comment
  POM275143  Ranunculus oxynotus Louise Kellogg 1946-7-30 5098 Modoc Eagles Peak, Warner Mtns Comment
  CAS-BOT-BC217196  Ranunculus sceleratus var. multifidus Alice Eastwood; John Thomas Howell 1940-6-13 8184 Modoc E side of Cedar Pass. 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
  CDA3494  Ranunculus testiculatus T. C. Fuller 1971-7-14 19908 Modoc Barber Grade at crossing with South Barber Creek. 0 Comment
  CAS-BOT-BC217158  Ranunculus uncinatus Bruce Bartholomew 1995-7-31 7115 Modoc Upper reaches of Sassen Creek, W side of the Warner Mountains. 1900 Comment
  CAS-BOT-BC217167  Ranunculus uncinatus Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10547 Modoc Patterson Ranger Station (East Creek drainage), Warner Mts. Modoc National Forest 2164 Comment
  RSA59715  Ranunculus uncinatus E. K. Balls 1950-5-18 14760 Modoc Upper Rush Creek Public Camp, 2.5 miles E from Hwy 299. 1402 Comment
  UC71575  Ranunculus uncinatus Mrs. M. H. Manning 1903-1-1 140 Modoc n head of Mill Canyon (ne Modoc Co.) Comment
  UC18577  Rhamnus rubra Milo S. Baker 1893-7-20 Modoc near Egg Lake; Lava Beds Comment
  SEINET2029156 Image available Rhododendron columbianum L. C. Wheeler 1935-8-4 3777 Modoc Warner Mountains, Pine Creek 2210 Comment
  UC49403  Ribes Leland S. Smith 1918-8-18 1045 Modoc ridge n Bear Mt.; Modoc Forest 2682 Comment
  CAS-BOT-BC225859  Ribes aureum Bruce Bartholomew; Barrett Anderson 1989-4-29 4703 Modoc Sand Creek, E side of Surprise Valley, ca. 10 km E of Cedarville. 1400 Comment
  CAS-BOT-BC225862  Ribes aureum Bruce Bartholomew; Mona Bourell 1990-4-26 5163 Modoc Vicinity of Ostrom Point, N side of Pit River, 3.2 km E of W end of Stone Coal Rd. 1280 Comment
  CHSC42151  Ribes aureum C. E. Laver 1986-3-26 Modoc Ca. 13 mi ne of Alturas and 100 yd e of Thoms Creek. 1493 Comment
  UC71821  Ribes aureum Mrs. M. H. Manning 1903-4 95 Modoc valley near Fort Bidwell Comment
  CAS-BOT-BC225863  Ribes cereum E. S. Willits 1940-4-27 190 Modoc Sugar Hill. Comment
  CAS-BOT-BC225882  Ribes cereum Elmer Ivan Applegate 1932-7-9 7570 Modoc North slope of Bidwell Mountain, Warner Mts. Comment
  NY455008  Ribes cereum C. L. Hitchcock 1940-5-27 6695 Modoc 15 miles northeast of Alturas 1615.4 Comment
  RSA165507  Ribes cereum Clare B. Hardham 1961-6-18 7571 Modoc Mts S of summit of Cedar Pass. Comment
  SBBG2754  Ribes cereum H. and M. Dearing 1939-6-8 3606 Modoc Lily Lake, Warner Mtns 2133 Comment
  UC1281035  Ribes cereum H. E. McMinn 1931-5-23 2462 Modoc Cedarville Road Warner Mts. 1889 Comment
  UC585196  Ribes cereum G. L. Stebbins Jr. and E. B. Babcock 1936-6-9 1813 Modoc near Cedarville (e end of Bonner Grade) 1600 Comment
  SEINET13942380 Image available Ribes cereum E. K Balls 1950-1 14654 Modoc Modoc National Forest; hillsides N of Bucks Creek Ranger Station, E of Goose Lake 1859 Comment
  UC75462  Ribes inerme var. inerme Milo S. Baker July, 1898 546 Modoc Forestdale Taylor Creek Comment
  UC71793  Ribes inerme var. inerme Mrs. M. H. Manning 1903-1 96 Modoc Warner River Comment
  CAS-BOT-BC225908  Ribes montigenum Annie Montague Alexander; L. Kellogg 1946-6-25 4822 Modoc Dismal Swamp, N end of Warner Mts. 2255 Comment
  SEINET256217 Image available Ribes montigenum M. J. Williams 1984-6-29 84- 71 -2 Modoc West side of the Warner Mountains; Lily Lake 2073 Comment
  UC11556  Ribes nevadense Milo S. Baker 1893-6 Modoc Comment
  UC1523789  Ribes roezlii Lisa Janio 1981-7-9 Modoc n Adin 1402 Comment
  CAS-BOT-BC225918  Ribes velutinum E. S. Willits 1940-4-27 191 Modoc Sugar Hill. Comment
  UC79649  Ribes velutinum Mrs. R. M. Austin 1894-1 Modoc Willow Creek Valley Comment
  OBI83292  Ribes velutinum Rhonda Riggins 1989-4-28 1666 Modoc Pencil Rd. 4.4 mi N of Hwy. 395 E of Alturas. 1524 Comment
  CAS-BOT-BC225935  Ribes viscosissimum Annie Montague Alexander; L. Kellogg 1946-7-1 4894 Modoc One-half mile S of Dismal Swamp, N end of Warner Mts. 2255 Comment
  CAS-BOT-BC225938  Ribes viscosissimum Milo Samuel Baker 1898-8-11 507 Modoc Bluff SW of Medicine Lake. Comment
  CAS-BOT-BC225944  Ribes viscosissimum P. Monnet 1913-7-7 871 Modoc Warner's Range. 2286 Comment
  CAS-BOT-BC225945  Ribes viscosissimum A. D. Borden 1911-6-15 Modoc Davis Creek. Comment
  CAS-BOT-BC225948  Ribes viscosissimum Bruce Bartholomew 1995-7-31 7123 Modoc 6.3 km from Forest Service road 46N30 on Forest Service road 45N34, W side of Warner Mountains. 1920 Comment
  NY455556  Ribes viscosissimum L. C. Wheeler 1935-8-14 3850 Modoc Lily Lake, Pine Creek, Warner Moutnains 2072.6 Comment
  SEINET188375 Image available Ribes viscosissimum C. L. Hitchcock 1940-5-27 6694 Modoc 15 miles northeast of Alturas 1615 Comment
  CAS-BOT-BC225934  Ribes viscosissimum Belknap C. Goldsmith 1910-5-26 10 Modoc Western slopes Warner Mts. Comment
  UC90670  Rigiopappus leptocladus Mrs. R. M. Austin Modoc Lost River Canyon Comment
  CDA43017  Rorippa austriaca L. Ahart, John Dittes 2008-8-25 15274 Modoc On the banks of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout. Comment
  CDA20130  Rorippa austriaca C. Pirosko 2002-6-14 PDR P 120230 Modoc Modoc Plateau; Jones Lake. 0 Comment
  CAS-BOT-BC58419  Rorippa curvisiliqua Bruce Bartholomew 1994-5-29 6735 Modoc Curtis Water Hole, NW of Egg Lake. 1280 Comment
  UC1191527  Rorippa curvisiliqua Malcolm A. Nobs, S. Galen Smith 1949-7-20 1054 Modoc four mi w Adin; w of Adin Comment
  UC1601428  Rorippa curvisiliqua Franklin P. Nutting Modoc Little Hot Spring Valley Comment
  JEPS127165  Rorippa curvisiliqua var. orientalis Lowell Ahart, John Dittes 2016-7-14 21163 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
  UC1191427  Rorippa palustris Verne Grant and Irving Schneider 1947-8-28 8341 Modoc nw Alturas; Jack Swamp, nw of Alturas Comment
  UCD115380  Rorippa sinuata Carl Rimbey 1955-6-15 s.n. Modoc Modoc County. Comment
  CHSC99966  Rosa woodsii subsp. ultramontana Lowell Ahart; John Dittes 2008-8-26 15348 Modoc Southeast side of Rose Creek, 750 feet southwest of confluence of Rose Creek and Pit River, on the northwest side of unnamed road, 2660 feet east of intersection with County Road 85a, 9.3 miles (air) north-northeast of Lookout. 1276 Comment
  CAS-BOT-BC218250  Rosa woodsii var. ultramontana Mrs. H. C. Cantelow 1940-6-1 4322 Modoc E slope Warner Mts., Cedar Pass Road. Comment
  RSA59526  Rosa woodsii var. ultramontana E. K. Balls 1950-5-20 14814 Modoc Above South Fork Public Camp, on slope south of river, Likely to Jess Valley. 1433 Comment
  UC12849  Rosa woodsii var. ultramontana Mrs. R. M. Austin and Bruce Jul 1898 2842 Modoc Comment
  UC619254  Rosa woodsii var. ultramontana J. and H. W. Grinnell 1938-6-14 1004 Modoc along railroad right of way near old beach line of Goose Lake; Fairport 1524 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
  HSC80700  Rubus parviflorus G. M. Riegel 1980-7-15 892 Modoc South Warner Mtns. 1670 Comment
  CAS-BOT-BC211338  Rumex acetosella Bruce Bartholomew 1991-7-4 5888 Modoc S end of Higgins Flat. 1370 Comment
  POM104790  Rumex acetosella R. M. Austin 1895-07 s.n. Modoc Goose Lake Valley. Comment
  CDA2901  Rumex crispus T. C. Fuller 1958-7-8 1937 Modoc Corporation Ranch, Likely. 0 Comment
  CAS-BOT-BC211344  Rumex lacustris Bruce Bartholomew; Barrett Anderson 1989-6-3 4896 Modoc S side of Clear Lake Reservoir. 1400 Comment
  CAS-BOT-BC211348  Rumex lacustris E. S. Willits 1940-5-17 258 Modoc Creek bottom, Willow Ranch. 1371 Comment
  CAS-BOT-BC211304  Rumex maritimus Bruce Bartholomew 1992-8-7 6354 Modoc Along the Pit River just SW of Canby Bridge. 1300 Comment
  JEPS117297  Rumex maritimus Lowell Ahart, John Dittes 2010-8-31 17126 Modoc Edge of a pond, about 400 yards west of Elkins Lane and the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley 1267 Comment
  CAS-BOT-BC211305  Rumex occidentalis Bruce Bartholomew; Barrett Anderson 1988-7-22 4550 Modoc Stough Reservoir between Alturas and Cedarville, Warner Mts.. 2000 Comment
  CAS-BOT-BC211314  Rumex salicifolius Bruce Bartholomew; Barrett Anderson 1990-7-19 5439 Modoc Sweagert Flat. 1860 Comment
  CAS-BOT-BC211315  Rumex salicifolius Bruce Bartholomew; Barrett Anderson 1990-7-20 5541 Modoc Buck Creek between Del Pratt Spring and Howard Flat, W side of Warner Mts. 1990 Comment
  UC1101209  Rumex salicifolius var. lacustris Herbert L. Mason and Verne Grant 1947-7-10 13336 Modoc 2 mi e Alturas; Dorris Reservoir Comment
  CAS-BOT-BC211320  Rumex triangulivalvis Alice Eastwood; John Thomas Howell 1940-6-15 8280 Modoc Near Happy Camp Ranger Station. Comment
  CAS-BOT-BC211321  Rumex triangulivalvis Annie Montague Alexander; L. Kellogg 1946-8-3 5113 Modoc Head of Eagle Creek, Warner Mts. Comment
  UC852703  Sagina saginoides C. L. Hitchcock 1940-5-27 6708 Modoc 15 mi. n.e. Alturas 1676 Comment
  UC935795  Sagittaria cuneata Herbert L. Mason and Verne Grant 1947-7-12 13413 Modoc irrigation ditch near s end of west side road Pit River Valley s Alturas; Pit River Valley Comment
  UC1024330  Sagittaria cuneata Annie M. Alexander and Louise Kellogg 1946-7-6 4915 Modoc East Eagleville Comment
  POM218965  Salix eastwoodiae Frances D. Payne 1931-7-7 333 Modoc Pine Creek Basin. Warner Mtns. About 33 km SE of Alturas. 2280 Comment
  UC481866  Salix eastwoodiae Frances D. Payne 1931-7-8 177 Modoc ca. 33 km. se Alturas; Warner Mts., Pine Creek Basin 2280 Comment
  UC5066  Salix eastwoodiae Mrs. R. M. Austin and Bruce June 1898 2339 Modoc Warner Mts. Comment
  CAS-BOT-BC225772  Salix exigua Alice Eastwood; John Thomas Howell 1940-6-13 8176 Modoc E side of Cedar Pass. Comment
  CAS-BOT-BC225773  Salix exigua Elmer Ivan Applegate 1932-8-4 8157 Modoc Bank of Pitt River, 8 mi. E of Likely. Comment
  JEPS14860  Salix exigua Frances D. Payne 1931-6-10 139 Modoc Parker Creek Warner Mts. 1584 Comment
  NY187444  Salix exigua F. D. Payne 1931-6-30 488 Modoc Parker Creek, 20 km east of Alturas. Meadow south of Payne Ranch 1560 Comment
  SJSU13880  Salix exigua N. A. Hopkins 1985-5-14 1278 Modoc outskirts of Cedarville, Warner Mts 1524 Comment
  UC481956  Salix exigua Mrs. H. P. Bracelin and Miss Frances D. Payne 1931-6-30 494 Modoc 20 km. e Alturas (Parker Creek, meadow s of Payne Ranch) 1560 Comment
  SD889  Salix exigua var. hindsiana Mrs. H. P. Bracelin 1931-6-30 501 Modoc Alturas, in a willow thicket at southwest end of town 1360 Comment
  CAS-BOT-BC229686  Salix lasiandra subsp. caudata C. L. Hitchcock 1940-5-27 6699 Modoc 12 mi. NE of Alturas. 1615 Comment
  UCD111536  Salix lasiandra var. lasiandra Mrs. H. P. Bracelin; Miss Frances D. Payne 1931-6-30 498 Modoc Parker Creek, 20 km. east of Alturas, south of Payne Ranch. 1560 Comment
  CHSC111411  Salix lasiolepis Lowell Ahart; John Dittes 2012-7-10 18316 Modoc Along a deep drainage, northeast of the old homestead, Ash Creek State Wildlife Area about 3.4 miles (air) west of Adin, about 8.2 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  JEPS119657  Salix lasiolepis Lowell Ahart, John Dittes 2012-7-10 18316 Modoc Ash Creek State Wildlife Area, about 3.4 miles (air) west of Adin, about 8.2 miles (air) northeast of Bieber, Big Valley. Comment
  JEPS14857  Salix lasiolepis Frances D. Payne 1931-6-10 136 Modoc Parker Creek Warner Mts., Parker Creek 1584 Comment
  RSA5668  Salix lasiolepis H. P. Bracelin 1931-6-29 487 Modoc Halfway between Adin and Canby 1350 Comment
  RSA612590  Salix lasiolepis Louis C. Wheeler 1935-8-3 3771 Modoc Pine Creek, Warner Mts. 1555 Comment
  UC481934  Salix lasiolepis Mrs. H. P. Bracelin and Miss Frances D. Payne 1931-6-30 492 Modoc 20 km. e. Alturas (Parker Creek, meadow s. of Payne Ranch); Parker Creek 1560 Comment
  CAS-BOT-BC197553  Salix lasiolepis var. lasiolepis H. P. Bracelin 1934-6-16 825 Modoc Rush Creek Bridge, 5 mi. N of Adin. Comment
  CAS-BOT-BC229674  Salix lasiolepis var. lasiolepis Louis Cutter Wheeler 1935-8-3 3771 Modoc Pine Creek, Warner Mts. 1554 Comment
  CAS-BOT-BC229675  Salix lasiolepis var. lasiolepis H. P. Bracelin 1931-6-29 487 Modoc Halfway between Adin and Canby. 1350 Comment
  SEINET10734992  Salix lucida subsp. caudata Andrew Townesmith, Karen M. Meyer 2007-9-15 Townesmith 931 Modoc Modoc National Forest, Warner Mountain Ranger District. Along state route 299, 10.9 miles west of junction with US route 395. At Cedar Pass. T43N R15E S28 SW 1/4. 1928 Comment
  RSA0039538  Salix lucida subsp. lasiandra Lowell A. Ahart, John Dittes 2008-8-25 15303 Modoc On the west bank of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout. 1273 Comment
  SEINET10417376  Salix lucida subsp. lasiandra E. K. Balls 1950-5-20 14794 Modoc South Fork Pit River, South Fork Public Camp. 1433 Comment
  UC5080  Salix melanopsis Mrs. R. M. Austin and Bruce June 1898 2340 Modoc Goose Lake Valley Comment
  POM229222  Salix scouleriana Louis C. Wheeler 1935-8-3 3759 Modoc Warner Mountains: Pine Creek. 1738 Comment
  CAS-BOT-BC95558  Salsola tragus Bruce Bartholomew 1989-8-11 5080 Modoc E side of Surprise Valley at Nevada border on State Hwy 299. 1500 Comment
  CHSC34511  Salsola tragus J. D. Prouty 1980-8-9 1150 Modoc Ca. 2 mi e of Cedarville, n side of Rd 299 as it intersects w margin of Middle Alkali Lake. Comment
  RSA628302  Salsola tragus L. C. Wheeler 1973-1 s.n. Modoc North end of Big Mud Lake. 1645 Comment
  UCD99474  Salsola tragus Louis C. Wheeler 1973-1 s.n. Modoc North end of Big Mud Lake. 1645 Comment
  HSC81094  Salvia dorrii var. incana G. M. Riegel 1980-7-23 927 Modoc S Warner Mtns. 1739 Comment
  HSC3960  Sambucus nigra subsp. caerulea M. T. Milligan 1966-7-1 516 Modoc Slopes and ridges E of Jess Valley. 1585 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
  RSA424426  Sanguisorba annua Margaret J. Williams 1983-9-13 83- 151 -1 Modoc Road from Alturas to Cedarville. 3.8 miles W of Cedar Pass. 6.7 miles from jct of Hwy 299 and Cedarville Road. 1555 Comment
  CAS-BOT-BC15677  Sanicula graveolens Bruce Bartholomew; Barrett Anderson 1989-6-2 4840 Modoc Vicinity of Stough Reservoir, Warner Mountains. 1950 Comment
  NY1101597  Sanicula graveolens B. M. Bartholomew 1989-6-2 4840 Modoc Vicinity of Stough Reservoir, Warner Mountains 1950 Comment
  RSA59855  Sanicula graveolens E. K. Balls 1950-5-18 14746 Modoc Upper Rush Creek Public Camp, 2.5 miles E from Hwy 299. 1829 Comment
  HSC80789  Sanicula graveolens G. M. Riegel 1979-7-13 511 Modoc South Warner Mountains 1829 Comment
  RSA59871  Sarcobatus vermiculatus E. K. Balls 1950-5-10 14599 Modoc E. shore Middle lake, near Cedarville 1402 Comment
  UC1483867  Saxifraga nidifica var. nidifica G. Schoolcraft 1980-4-29 210 Modoc n of Adin (Harper Hill); Harper Hill 1402 Comment
  RSA503035  Saxifraga oregana Bruce Bartholomew, B. Anderson 1988-6-24 4367 Modoc Vicinity of Patterson Campground, southern end of the Warner Mountains. 2190 Comment
  JEPS47549  Saxifraga oregana Milo S. Baker 1898-8-22 564 Modoc Bear Valley Mountains Comment
  CAS-BOT-BC247700  Schedonorus pratensis Leland S. Smith 1917-7-25 107 Modoc Joseph Creek. 1981 Comment
  CAS-BOT-BC245132  Schoenoplectus acutus var. occidentalis Bruce Bartholomew 1989-8-11 5061 Modoc Along W side of Goose Lake, 10.3 km S of the Oregon border on National Forest Road 48. 1430 Comment
  POM111559  Schoenoplectus acutus var. occidentalis Mrs. R. M. Austin 1895-08 487 Modoc Goose Lake Comment
  RSA210779  Schoenoplectus acutus var. occidentalis Robert F. Thorne, James Henrickson, C. W. Tilforth 1969-9-4 39070 Modoc SW shore of Goose Lake N of McGinty Point 1433 Comment
  UCD143730  Schoenoplectus americanus Herbert L. Mason 1947-8-11 1349 Modoc on Highway 81, west margin of Lower Lake, near boundary between Lassen and Modoc counties. Comment
  UCR67030  Schoenoplectus pungens var. longispicatus George K. Helmkamp 1990-9-23 J- 9 Modoc Warner Mtns, Goose Lake, within 0.1 mi of the Oregon border 1476 Comment
  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
  UC1100887  Scirpus nevadensis Herbert L. Mason, Verne Grant 1947-7-12 13436 Modoc n Likely (Corporation Ranch Headquarters); , n of Likely Comment
  CDA39107  Scirpus pungens T. C. Fuller 1964-10-8 12697 Modoc On edge of Goose Lake, north side of levee road, ca. 5 miles west of Davis Creek. 0 Comment
  UC27618  Scrophularia californica Milo S. Baker 1893-6 Modoc Modoc Co Comment
  UC1012081  Scrophularia desertorum Francis W. Pennell 1940-6-8 25736 Modoc 9-10 mi w Alturas (Rte 299) 1371 Comment
  CAS-BOT-BC197844  Scrophularia lanceolata Francis Dorris Payne 1932-5-27 412 Modoc Parker Creek. 1584 Comment
  CAS-BOT-BC197845  Scrophularia lanceolata Edward Kent Balls 1950-5-21 14820 Modoc South Fork Public Camp, South Fork Pit River. 1478 Comment
  UC748465  Scrophularia lanceolata Annie M. Alexander and Louise Kellogg 1946-7-5 4806 Modoc lava cliff w Lower Lake Comment
  UC748462  Scrophularia lanceolata Annie M. Alexander and Louise Kellogg 1946-6-18 4806 Modoc base of bluff facing Lower Lake Comment
  UCD124809  Scrophularia lanceolata Verne Grant; Irving Schneider 1947-7-20 8105 Modoc North fork of Pit River, Alturas. Comment
  CAS-BOT-BC179226  Scutellaria nana John Thomas Howell 1934-6-30 12257 Modoc Duncan Horse Camp. 1355 Comment
  CAS-BOT-BC179217  Scutellaria nana Fred P. Cronemiller, Jr. 1920-6-10 5 Modoc McKenzie Spring. 1341 Comment
  CAS-BOT-BC252545  Secale cereale John Thomas Howell 1934-6-12 11991 Modoc 6 mi. S of Davis Creek. Comment
  CAS-BOT-BC95607  Sedum lanceolatum Bruce Bartholomew 1990-8-4 5649 Modoc Ridge N of Irons Lake, along Owl Creek Trail, E side of Warner Mts. 2470 Comment
  UC748120  Sedum lanceolatum Annie M. Alexander and Louise Kellogg 1946-7-11 4969 A Modoc Mesa West Eight Mile Creek, Mesa West (Eight Mile Creek, nw corner of county) Comment
  RSA0076358  Sedum lanceolatum Elmer I. Applegate 1932-8-5 8179 Modoc Arid summit of Cedar Mountain, Cedar Pass, Warner Mountains. Comment
  CHSC100848  Sedum stenopetalum L. P. Janeway 2008-8-17 9565 Modoc Warner Mountains. North slope of Bald Mountain; just below the cliffs at the top of the peak. 2400 Comment
  JEPS48042  Sedum stenopetalum W. L. Jepson 1918-8-7 7898 Modoc Mt. Bidwell 2286 Comment
  SJSU9705  Sedum stenopetalum W. Savage 1979-7-10 1526 Modoc Oregon Rim Unit, Devils Garden District, Modoc National Forest 1645 Comment
  CAS-BOT-BC95622  Sedum stenopetalum subsp. stenopetalum Bruce Bartholomew; Barrett Anderson 1988-7-22 4532 Modoc Mill Creek, Lake City Canyon, 5.5 km W of Lake City, E side of the Warner Mts.. 1860 Comment
  CAS-BOT-BC50339  Senecio aronicoides Bruce Bartholomew 1990-6-15 5229 Modoc S end of Deer Spring Ridge, 0.2 km N of turn off to Knox Flat. 1920 Comment
  CDA35637  Senecio aronicoides J. R. Keck Jr., Pfeiffer 1985-6-6 PDR# 237689 Modoc On USFS Road 56, west of Lookout-Hackamore Road. 0 Comment
  UC36169  Senecio aronicoides Milo S. Baker 1893-6 Modoc Pinewoods 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
  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
  RSA0012564  Senecio hydrophilus F. W. Peirson 1926-6-25 6894 Modoc 1 mile east of summit of Warner Mts. on Cedarville Road. Comment
  CAS-BOT-BC50300  Senecio integerrimus var. exaltatus Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-11 6489 Modoc Near SE corner of Big Sage Reservoir, 5.3 km E of Crowder Flat Road. 1580 Comment
  RSA0125033  Senecio integerrimus var. exaltatus E. K. Balls 1950-5-13 14682 Modoc West of Goose Lake, 1.5 miles south of Oregon-California State Line. 1463 Comment
  CAS-BOT-BC50266  Senecio serra var. serra Leland S. Smith 1919-8-4 1137 Modoc Ash Creek, Modoc National Forest 1828 Comment
  CAS-BOT-BC54279  Senecio triangularis Annie Montague Alexander; L. Kellogg 1946-7-29 5081 Modoc Eagle Peak. 2438 Comment
  HSC81129  Senecio triangularis G. M. Riegel 1980-8-12 1033 Modoc South Warner Mtns. 2100 Comment
  JEPS5941  Senecio triangularis Frances D. Payne 1931-6-25 257 Modoc 2 mi sw Warren Peak; Warner Mts., Pine Creek Basin 2316 Comment
  UC748200  Senecio triangularis Annie M. Alexander and Louise Kellogg 1946-7-17 5000 Modoc edge South Fork Davis Creek (Plum Valley Camp, Warner Mountains); Warner Mountains, , Plum Valley Camp Comment
  CAS-BOT-BC95636  Shepherdia argentea Isabelo T. Kelly 1930-1-1 2 Modoc Near Cedarville, Surprise Valley. Comment
  CAS-BOT-BC95638  Shepherdia argentea Bruce Bartholomew; Barrett Anderson 1989-4-29 4702 Modoc Sand Creek, E side of Surprise Valley, ca. 10 km E of Cedarville. 1400 Comment
  RSA165549  Sidalcea hendersonii Clare B. Hardham 1961-6-19 7853 Modoc Willow Creek. 1524 Comment
  NY53361  Sidalcea oregana K. Paulson 1989-7-18 196 Modoc Vicinity of Granger Creek, E side of Warner Mts. 1914.1 Comment
  CAS-BOT-BC179064  Sidalcea oregana subsp. oregana Elmer Ivan Applegate 1932-8-4 8150 Modoc N edge of Jess Valley. 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-BC179076  Sidalcea oregana subsp. oregana Alice Eastwood; John Thomas Howell 1940-6-13 8123 Modoc Dear Davis Creek. Comment
  CAS-BOT-BC179088  Sidalcea oregana subsp. oregana Roxana Stinchfield Ferris; L. Lorraine 1941-8-14 10620 Modoc Summit of Fandango Pass. 1889 Comment
  CAS-BOT-BC179090  Sidalcea oregana subsp. oregana Robert J. Weatherby 1955-7-8 1625 Modoc 6 mi. N of Ft. Bidwell. 1737 Comment
  CAS-BOT-BC179091  Sidalcea oregana subsp. oregana Bruce Bartholomew 1995-8-1 7139 Modoc 14.8 km N of turn off to Cedarville on U.S. Hwy 395 and 8 km S of Davis Creek. 1450 Comment
  RSA503039  Sidalcea oregana subsp. oregana Bruce Bartholomew, B. Anderson 1988-6-24 4358 Modoc 9.8 km SW of County Road 1 on County Road 42, E side of the Warner Mountains 1960 Comment
  UC18928  Sidalcea oregana subsp. oregana Milo S. Baker 1893-7-10 Modoc Comment
  CAS-BOT-BC179057  Sidalcea oregana subsp. spicata Annie Montague Alexander; L. Kellogg 1946-7-18 5024 Modoc Benton Meadow. 2072 Comment
  CAS-BOT-BC248341  Sidalcea oregana subsp. spicata B. Bartholomew; H. Sun 2002-6-24 8824 Modoc S end of Sweagert flat ca. 15.3 straight line km WNW of Aden 1820 Comment
  HSC80893  Sidalcea oregana subsp. spicata G. M. Riegel 1980-7-14 865 Modoc S Warner Mtns. 2100 Comment
  JEPS67277  Sidalcea oregana subsp. spicata Frances D. Payne 1931-6-17 179 Modoc s and e Alturas (Parker Creek); Warner Mountains, , s and e of Alturas 1584 Comment
  RSA448221  Sidalcea oregana subsp. spicata George Willet 1935-6-12 s.n. Modoc 4 miles E. of Likely 1524 Comment
  SEINET2442027  Sidalcea oregana subsp. spicata Barbara Ertter 1988-6-18 7612 Modoc W side Hwy 139 just S of where it crosses railroad at jct to Clear lake, NE of Dry Lake E of Lava Beds Nat'l Monument.; 0 1250 Comment
  CAS-BOT-BC498759  Silene L. S. Smith 1924-6-29 1447 Modoc Modoc Forest, Lava R.S. Comment
  POM101035  Silene douglasii Mrs. R. M. Austin 1895-08 423 Modoc Willow Creek (Devils Garden). Comment
Read comments
Nov 26 2011
  SD61017  Silene douglasii Darley F. Howe 1964-7-31 Modoc 8.5 miles from entrance on road from Likely. Modoc National Forest, Warner Mountains. 1550 Comment
  UC190595  Silene douglasii M. F. Gilman 507 Modoc slopes 1524 Comment
  UC8433  Silene douglasii Milo S. Baker 1893-6-25 Modoc Lava Beds Comment
  CAS-BOT-BC95263  Silene lemmonii Bruce Bartholomew 1991-7-6 5997 Modoc Rush Creek above Upper Rush Creek Camp Ground. 1580 Comment
  UC465655  Silene lemmonii Franklin P. Nutting Modoc near Forestdale; near Forestdale Comment
  CAS-BOT-BC95264  Silene menziesii Annie Montague Alexander; L. Kellogg 1946-7-7 4947 Modoc Eight Mile Creek, NE corner of county. 1752 Comment
  CAS-BOT-BC95272  Silene menziesii Bruce Bartholomew 1991-7-6 5999 Modoc Rush Creek above Upper Rush Creek Camp Ground. 1580 Comment
  SEINET3087326 Image available Silene menziesii Arnold Tiehm 1984-6-30 8840 Modoc NW side of Bidwell Mt. 2.8 road miles north of 8 mile creek on the road from Lake Annie. 1829 Comment
  CHSC117256  Silene nuda Lowell Ahart; John Dittes 2016-7-14 21167 Modoc South of a new pond, south of Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Aden, Big Valley. 1273 Comment
  CAS-BOT-BC95277  Silene oregana Leland S. Smith 1918-7-10 982 Modoc Mill Creek. 2133 Comment
  JEPS117364  Sisymbrium altissimum Lowell Ahart, John Dittes 2010-8-30 17078 Modoc Along the fence, south edge of the meadow, Ash Creek State Wildlife Area, 2,300 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley 1267 Comment
  RSA518561  Sisymbrium altissimum George K. Helmkamp 1990-9-23 I- 18 Modoc Drying mud flats beside Goose Lake, within 0.1 mile of the Oregon border 1372 Comment
  SEINET10735739  Sisymbrium altissimum Andrew Townesmith, Karen M. Meyer 2007-9-15 Townesmith 932 Modoc Modoc National Forest, Warner Mountain Ranger District. Cedar Creek Upper Trailhead, 0.6 miles off state route 299 on Forest Service road 195. T43N R15E S33. 1948 Comment
  UCD115502  Sisymbrium altissimum Herbert L. Mason 1947-7-10 13346 Modoc Dorris Reservoir, 2 miles east of Alturas. Comment
  CDA36795  Sisymbrium altissimum D. B. Joley 1976-6-23 1 Modoc Likely, near Alturas. 0 Comment
  RSA584830  Sisyrinchium halophilum Bruce Bartholomew 1993-6-12 6602 Modoc Tom Large Flat, west of Egg Lake 1260 Comment
  CAS-BOT-BC245080  Sisyrinchium idahoense var. idahoense Bruce Bartholomew 1994-7-1 6771 Modoc Turner Creek adjacent to Forest Service road 42N21. 1470 Comment
  CAS-BOT-BC245081  Sisyrinchium idahoense var. idahoense Bruce Bartholomew 1991-7-4 5887 Modoc S end of Higgins Flat. 1370 Comment
  UC3868  Smilacina racemosa Milo S. Baker 1893-6-29 Modoc Comment
  UC1101053  Smilacina stellata Verne Grant and Irving Schneider 1947-7-22 8141 Modoc on Hwy 395 about 1 mi n junction with Cedarville road; North Fork of Pit River Comment
  CDA34290  Solanum dulcamara L. Ahart, J. Dittes 2010-8-31 17095 Modoc On the south side of Ash Creek, on the west side of Elkins Lane, Ash Creek State Wildlife Area, 4215 feet north of Lassen County Line, about 4.3 miles (air) west of Adin, and about 7.7 miles (air) northeast of Bieber, Big Valley. Comment
  CAS-BOT-BC245433  Solanum physalifolium var. nitidibaccatum E. S. Willits 1939-10-27 172 Modoc School grounds, Willow Ranch. Comment
  POM229213  Solanum physalifolium var. nitidibaccatum Louis C. Wheeler 1935-9-22 3994 Modoc 3 mi W of Alturas 1357 Comment
  CHSC100518  Solanum triflorum Lowell Ahart; John Dittes 2008-8-26 15339 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
  RSA767685  Solanum triflorum L. Ahart, John Dittes 2010-8-30 17083 Modoc Parking area west of the old barn, on the west side of Elkin's Lane, Ash Creek State Wildlife Area, 320 feet north of Lassen County Line, about 4.4 air miles west of Adin, about 7.3 air miles northeast of Bieber, Big Valley. 1266 Comment
  UCR57899  Solidago californica R. D. Goeden, Don W. Ricker 1989-8-23 33 Modoc Warner Mtns., Modoc National Forest, just west of Fandango Pass 1841 Comment
  JEPS32388  Solidago elongata L. S. Smith 1918-8-11 1022 Modoc Camp One T38.16 Modoc National Forest, Camp One T38.16 2438 Comment
  JEPS5975  Solidago elongata Frances D. Payne 1932-7-22 746 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  CAS-BOT-BC54285  Solidago spectabilis Herbert Louis Mason 1947-8-9 13459 Modoc Ingalls Swamp, N of Big Sage Reservoir. Comment
  POM312332  Solidago spectabilis H. L. Mason 1947-8-9 13459 Modoc Ingalls Swamp, north of Big Sage Reservoir, northwest of Alturas. Comment
  UC1999883  Solidago spectabilis J. C. Semple, B. A. Suripto, T. Ahmed 1990-8-12 9299 Modoc CA-299, 12.5 km W of Alturas, straight N of Rattle Snake Butte. Comment
  CAS-BOT-BC54280  Solidago velutina subsp. californica Roxana Stinchfield Ferris; L. Lorraine 1941-8-14 10619 Modoc Summit of Fandango Pass, on road between Fort Bidwell and Pine Creek, Warner Mtns., Modoc N.F. 1889 Comment
  CAS-BOT-BC54281  Solidago velutina subsp. californica K. Paulson; Robert Paulson 1989-8-1 201 Modoc Vicinity of Mill Creek Falls, W side of Warner Mts. Comment
  CHSC99899  Solidago velutina subsp. californica Lowell Ahart; John Dittes 2008-8-26 15343 Modoc On the banks of Rose Creek, 250 feet southwest of the confluence of Rose Creek and Pit River, on the northwest side of unnamed road, 3,160 feet east of intersection with County Road 85a, 9.3 miles (air) north-northeast of Lookout. 1276 Comment
  UC88122  Solidago velutina subsp. californica Mrs. R. M. Austin 1894-8-1 92 Modoc Lassen Creek Comment
  CAS-BOT-BC158918  Sorbus scopulina A. D. Borden 1911-8-1 s.n. Modoc Along high run on south slope of south fork of Parker Creek, Modoc Forest. Comment
  CHSC111410  Sparganium emersum Lowell Ahart; John Dittes 2012-7-10 18326 Modoc East of the fence, northwest of the old homestead, Ash Creek State Wildlife Area, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  UC1099922  Sparganium emersum var. emersum Herbert L. Mason and Verne Grant 1947-7-12 13433 Modoc n of Likely (Corporation Ranch Headquarters) Comment
  SJSU9648  Sphaeromeria potentilloides W. Savage 1979-7-10 1519 Modoc Bowles Meadow, Devils Garden District, Modoc National Forest 1493 Comment
  CAS-BOT-BC15686  Sphenosciadium capitellatum Bruce Bartholomew 1995-7-31 7122 Modoc 6.3 km from Forest Service road 46N30 on Forest Service road 45N34, W side of Warner Mountains. 1920 Comment
  CAS-BOT-BC179207  Stachys pilosa Francis D. Payne 1931-6-17 183 Modoc Parker Creek. 1584 Comment
  HSC1957  Stachys rigida var. rigida M. T. Milligan 1966-6-30 500 Modoc Slopes and ridges E of Jess Valley 1768 Comment
  CAS-BOT-BC95286  Stellaria calycantha Francis Dorris Payne 1935-7-19 786 Modoc Parker Creek at mouth of Dry Creek. Comment
  JEPS51096  Stellaria calycantha Frances D. Payne 1935-7-19 786 Modoc s and e of Alturas (Mouth of Dry Creek, tributary of Parker Creek); Warner Mountains, Parker Creek, Mouth of Dry Creek Comment
  NY482936  Stellaria longipes R. M. Austin 467 Modoc Davis' Creek Comment
  UC8677  Stellaria longipes var. longipes Milo S. Baker 1893-6-28 Modoc Comment
  RSA164370  Stenotus acaulis Clare B. Hardham 1961-6-18 7570 Modoc Hills S of Cedar Pass. 1829 Comment
  UC748387  Stenotus acaulis Annie M. Alexander and Louise Kellogg 1946-8-9 5138 Modoc Patterson Lake Trail, Warner Mountains. Comment
  UC1037319  Stenotus lanuginosus var. lanuginosus Leo Whitney 1934-5-13 1859 Modoc Weed Valley; 14 miles east, notheast of upper end of Clear Lake. Northern Modoc County. 1524 Comment
  UC35791  Stephanomeria lactucina M. S. Baker and Frank Nutting 1894-8-30 Modoc Big Valley Mts. Comment
  CAS-BOT-BC54268  Stephanomeria spinosa Bruce Bartholomew 1994-10-9 6883 Modoc Near Nevada border directly E of Eagleville, S end of Surprise Valley. 1510 Comment
  RSA722690  Stephanomeria tenuifolia Richard R. Halse 2006-8-4 6998 Modoc Along Patterson Mill Road, ca 4 miles SW of its jct with Surprise valley Road, E side of the southern Warner Mtns. Modoc National Forest. 2097 Comment
  HSC80826  Stipa hymenoides G. M. Riegel 1980-7-15 886 Modoc South Warner Mtns. 1739 Comment
  CAS-BOT-BC95053  Streptanthella longirostris Bruce Bartholomew; Barrett Anderson 1989-6-2 4833 Modoc 6.4 km E of Eagleville on the road to the California state border, E side of Surprise Valley. 1550 Comment
  HSC6950  Streptanthus cordatus M. T. Milligan 1967-7-8 662 Modoc W slope of Eagle Peak 2500 Comment
  RSA101384  Streptanthus cordatus R. Weatherby 1955-7-8 1628 Modoc 6 miles N of Ft. Bidwell. No. Warner Mtns. 1646 Comment
  UC585230  Streptanthus cordatus E. B. Babcock and G. L. Stebbins Jr. 1936-6-9 1832 Modoc steep n-facing talus slope about 3 mi w Cedarville; Warner Mountains, Cedar Creek Canyon Comment
  CAS-BOT-BC95054  Streptanthus cordatus var. cordatus Elmer Ivan Applegate 1932-8-5 8186 Modoc S slope of Cedar Mountain, Cedar Pass, Warner Mts. Comment
  CAS-BOT-BC95055  Streptanthus cordatus var. cordatus John Thomas Howell 1934-6-13 12050 Modoc Fandango Pass, Warner Mts. 1828 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
  UC429277  Streptopus amplexifolius var. americanus Franklin P. Nutting 1894-8-15 Modoc Taylor Creek Comment
  SJSU9599  Stylocline psilocarphoides W. Savage 1979-7-5 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
Read comments
Dec 18 2006
  UC748426  Swertia albicaulis var. albicaulis Annie M. Alexander and Louise Kellogg 1946-7-7 4941 Modoc Eight Mile Creek, ne corner of Modoc County Eight Mile Creek 1752 Comment
  UC412595  Swertia albicaulis var. albicaulis Mrs. M. H. Manning 1907-1 Modoc e side Mt. Bidwell (ne Modoc County); , 12 Mile Creek Comment
  HSC80926  Symphoricarpos rotundifolius var. rotundifolius G. M. Riegel 1979-6-30 448 Modoc S Warner Mtns. 1670 Comment
  JEPS15470  Symphoricarpos rotundifolius var. rotundifolius Hilda and Joseph Grinnell 1938-6-14 1102 a Modoc above Goose Lake (slope of Sugar Hill); Sugar Hill 1524 Comment
  CAS-BOT-BC5519  Symphoricarpos vaccinioides Mrs. R. M. Austin 1887-1-1 s.n. Modoc unspecified Comment
  UC71844  Symphyotrichum ascendens Mrs. M. H. Manning Sep 1 1902-Oct 1 1902 18 Modoc Ft. Bidwell Comment
  UC1192166  Symphyotrichum bracteolatum Verne Grant and Irving Schneider 1947-8-28 8332 Modoc nw of, at Jack Swamp Alturas Comment
  CAS-BOT-BC15222  Symphyotrichum eatonii Verne Grant; I. Schneider 1947-7-22 8156 Modoc Headwaters of North Fork of Pit River, one mile northwest of Highway 395 on dirt road leading to S end of Goose Lake Comment
  JEPS89332  Symphyotrichum frondosum Dean W. Taylor 1987-8-25 9281 Modoc near the outlet dam Clear Lake Reservoir; Modoc Plateau, Clear Lake Reservoir Quad. 1371 Comment
  UCD136503  Symphyotrichum frondosum Herbert L. Mason 1947-8-11 13487 Modoc Kelley Hot Springs, on Alturas-Conby Highway. Comment
  CAS-BOT-BC15168  Symphyotrichum spathulatum var. spathulatum L. S. Smith 1919-8-18 1134 Modoc Ash Valley, Modoc National Forest 1463 Comment
  CAS-BOT-BC232353  Synthyris missurica Bruce Bartholomew; Barrett Anderson 1990-7-20 5494 Modoc 10.3 km N of Buck Creek Ranger Station, crest of Warner Mountains W side of Warner Mts. 2130 Comment
  POM261275  Synthyris missurica C. Leo Hitchcock 1940-5-27 6716 Modoc 15 miles NE of Alturas. 1982 Comment
  SBBG7212  Synthyris missurica H. and M. Dearing 1939-6-8 3607 Modoc Lily Lake, Warner Mtns 2133 Comment
  JEPS27314  Synthyris missurica Frances D. Payne 1931-6-29 287 Modoc e slope of Mt. Warren, s of Mosquito Lake; Warner Mountains 2286 Comment
  UCD86205  Taeniatherum caput-medusae L. Whitney 1935-7-20 3543 Modoc meadow near Canby. Comment
  HSC6254  Taraxacum officinale M. T. Milligan 1966-5-14 610 Modoc Plateau W of Jess Valley 1829 Comment
  JEPS31478  Taraxia subacaulis F. Payne 1929-7-7 54 Modoc 2 mi sw Warren Peak; Warner Mts., Pine Creek Basin 2133 Comment
  SJSU4288  Taraxia tanacetifolia R. L. Fisher 1958-6-14 Modoc 15 mi E of Alturas 1676 Comment
  UC1035975  Taraxia tanacetifolia Helen K. Sharsmith 1955-6-26 4508 B Modoc adjacent to Hwy 39 ca 20 mi n Canby; Modoc National Forest 1524 Comment
  JEPS5951  Tetradymia canescens Frances D. Payne 1932-8-1 756 Modoc s and e Alturas; Warner Mountains, Parker 1828 Comment
  NY496039  Thalictrum fendleri K. Paulson 1989-6-21 146 Modoc Pine Creek Basin, west side of the Warner Mountains 2109.2 Comment
  RSA604935  Thalictrum fendleri Louis C. Wheeler 1935-8-10 3823 Modoc Lily Lake, Pine Creek, Warner Mts. 2134 Comment
  NY496092  Thalictrum fendleri B. M. Bartholomew 1988-6-24 4319 Modoc Lily Lake; west side of the Warner Mountains. Fort Bidwell 15' Quad. 2130 Comment
  UCSB11497  Thalictrum fendleri var. fendleri Dearing, Hugh; Dearing, Margaret 1939-6-8 Modoc Pine Canon, Warner Mountains 182 Comment
  POM260443  Thalictrum occidentale var. palousense C. L. Hitchcock 1940-5-27 6704 a Modoc 15 miles northeast of Alturas. 1616 Comment
  RSA27039  Thalictrum occidentale var. palousense C. L. Hitchcock 1940-5-27 6704 a Modoc 15 miles northeast of Alturas. 1616 Comment
  NY746797  Thelypodium flexuosum N. H. Holmgren 1998-5-30 12997 Modoc Surprise Valley, Modoc County Road 299, 6.9 km (4.3 mi) east of downtown Cedarville, at a turnoff to some hotsprings 1370 Comment
  UC10936  Thelypodium howellii M. S. Baker and Frank Nutting 1894-6-29 Modoc Big Valley Comment
  NY33852  Thermopsis argentata M. S. Baker 06 1894 s.n. Modoc Forestdale Comment
  RSA0049723  Thermopsis californica var. argentata Dean Wm. Taylor 2013-6-7 21369 Modoc 11 miles North of Lookout; along Forest Road 42N03 about 1.2 road miles west from County Road 91 (Lookout to Tulelake) 1350 Comment
  CHSC99272  Thlaspi arvense Lowell Ahart; John Dittes 2008-6-21 15004 Modoc About 30 yards west of the levee, along a deep natural drainage, open meadow area, in Big Valley, about 3.6 miles (air) northeast of the Headquarters at Ash Creek State Wildlife Area, about 6.4 miles (air) northeast of Bieber. Comment
  CDA25249  Thlaspi arvense C. B. Greenbank 1980-5-8 Modoc Clyde Huffman ranch, Tulelake. 0 Comment
  CDA36792  Thlaspi arvense D. B. Joley 1976-6-23 3 Modoc Likely, near Alturas. 0 Comment
  UCD115582  Thlaspi arvense R. N. Raynor; E. Berry 1940-4-12 s.n. Modoc Corporation Ranch, Likely. Comment
  CAS-BOT-BC66413  Thysanocarpus curvipes B. Bartholomew; B. Anderson 1989-6-1 4738 Modoc Ca. 0.5 km south of State Higway 299 on road to Shaker Spring. 1420 Comment
  CAS-BOT-BC66414  Thysanocarpus curvipes B. Bartholomew 1991-5-23 5688 Modoc 0.5 km east of Day on County Road 94. 1050 Comment
  CAS-BOT-BC66415  Thysanocarpus curvipes B. Bartholomew 1995-6-22 6982 Modoc Between Day and Lookout, 17.0 km west of Day on County Road 94. 1280 Comment
  UC402563  Thysanocarpus curvipes Milo S. Baker 1893-1 Modoc Forestdale Comment
  SEINET10793109  Torreyochloa pallida var. pauciflora Louis C. Wheeler 1935-10-5 Wheeler 4020 Modoc N Fork Pit River at Parker Creek. Damp silt 1372 Comment
  CAS-BOT-BC54247  Tragopogon dubius Bruce Bartholomew 1990-6-17 5300 Modoc Vicinity of Emerson Camp near roadhead, E side of Warner Mts. 1750 Comment
  HSC81116  Tragopogon dubius G. M. Riegel 1980-7-23 932 Modoc S Warner Mtns. 2100 Comment
  JEPS89594  Trichostema oblongum Dean W. Taylor 1990-8-22 11480 Modoc Lookout Rd. 2.3 mi. s. of junction w/ State Hwy. 139 (at crossing of small perennial drainage); Modoc Plateau 1424 Comment
  CAS-BOT-BC181782  Trifolium cyathiferum Francis Dorris Payne 1931-6-18 191 Modoc Parker Creek. 1584 Comment
  UCD107922  Trifolium eriocephalum var. harneyense Collector Unknown 1949-6-1 s.n. Modoc Near Eagleville. Comment
  NY717075  Trifolium gymnocarpon var. plummerae B. M. Bartholomew 1993-5-10 6471 Modoc 1.6 km northeast of Fee Reservoir Road on Barrel Spring Road, north end of Surprise Valley 1600 Comment
  NY717187  Trifolium longipes B. M. Bartholomew 1990-7-20 5502 Modoc Tamarack Flat, east side of Warner Mountains 2150 Comment
  JEPS33202  Trifolium longipes var. hansenii Frances D. Payne 1931-6-25 253 Modoc 2 mi sw Warren Mtns (Pine Creek Basin) 2316 Comment
  CAS-BOT-BC180173  Trifolium macrocephalum Bruce Bartholomew; Barrett Anderson 1989-4-30 4711 Modoc 0.8 km S of Centerville Rd. (Co. road 54) on road to Ralston Gulch (Co. road 77). 1400 Comment
  NY717379  Trifolium macrocephalum B. M. Bartholomew 1988-5-14 4191 Modoc 7 km south of turnoff to Crowder Flats along West Side Road, west side of Goose Lake 1410 Comment
  SJSU7631  Trifolium macrocephalum H. L. Buckalew 1961-6-23 Modoc near Stowe Reservoir c. 2 mi N of Cedar Pass on Alturas-Cedarville Rd, Warner Mts Comment
  SD225771  Trifolium macrocephalum Carol Witham, Jennifer Buck 2001-5-10 200 Modoc 5 mi NE along Hwy 139 from its intersection with Hwy 299, south of Hwy 139, Canby site Comment
  UC190602  Trifolium macrocephalum M. F. Gilman 617 Modoc Mt. Meadow 1828 Comment
  CAS-BOT-BC180172  Trifolium microcephalum Bruce Bartholomew 1991-7-6 5956 Modoc 2 km above Lower Rush Creek Campground along Rush Creek. 1500 Comment
  CHSC115603  Trifolium pratense Lowell Ahart; John Dittes 2015-8-16 20365 B 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
  HSC65607  Trifolium pratense Thomas Wood 1979-8-9 243 Modoc Dirt road along Bidwell Creek, 2.9 mi. NW of junction with Co. Hwy. 2, N of Ft. Bidwell 1509 Comment
  CAS-BOT-BC181759  Trifolium productum Bruce Bartholomew 1991-5-24 5732 Modoc Near N side of Big Mud Lake at the Nevada State boundary. 1680 Comment
  CAS-BOT-BC181763  Trifolium productum Bruce Bartholomew; Barrett Anderson 1988-7-23 4582 Modoc Dismal Swamp, Warner Mts.. 2180 Comment
  JEPS123865  Trifolium repens Lowell Ahart, John Dittes 2015-7-16 20366 Modoc Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. Comment
  HSC30123  Trifolium variegatum D. H. Norris, T. Nelson, S. Dowty 1971-6-23 19520 Modoc Big Valley Summit, 6 mi. W of Adin on Hwy. 299 Comment
  NY717613  Trifolium variegatum B. M. Bartholomew 1990-6-15 5211 Modoc Kelly Spring, 5.5 km SSE of Highway 299 on road from Rush Creek 1640 Comment
  UC555376  Trifolium wormskioldii F. H. Frost 1925-7-12 8 Modoc 2 mi above Cedarville (Cedar Canyon); Warner Mtns Comment
  UCSC011160  Trifolium wormskioldii Lowell Ahart 2016-7-16 21242 Modoc At the second pond, south as Ash Creek Canal (now filled in), south of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile south of County Road 87, 1.75 miles west of Adin, Big Valley 1274 Comment
  UC1099947  Triglochin maritima Herbert L. Mason, Malcolm A. Nobs, and S. Galen Smith 1949-5-29 767 Modoc e Kelly Hot Springs Comment
  CAS-BOT-BC252538  Trisetum canescens Leland S. Smith 1917-7-24 113 Modoc Upper end of Joseph Creek. 1828 Comment
  CAS-BOT-BC252535  Trisetum spicatum Leland S. Smith 1918-7-14 994 Modoc Mill Creek, Eagle Peak. 2133 Comment
  JEPS70750  Trisetum spicatum W. L. Jepson 1918-8-13 7972 Modoc on the summit Eagle Peak; Warner Mts. 3017 Comment
  CAS-BOT-BC242154  Triteleia hyacinthina Mrs. H. C. Cantelow 1940-6-1 s.n. Modoc 32.7 mi. N of Alturas on Hwy 395. Comment
  CAS-BOT-BC242155  Triteleia hyacinthina Bruce Bartholomew 1994-7-1