Search Results — 2000 specimen records retrieved (1517 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
  SEINET5512253  Achillea lanulosa J. C. Beatley 1964-1 Modoc Tule Lake area NTS Herbarium coll. Drainage area: Tule Lake 1829 Comment
  JEPS36905  Achillea millefolium W. L. Jepson 1918-8-7 7862 Modoc Mt. Bidwell 2133 Comment
  UC711830  Achillea millefolium Roxana S. Ferris and Laura Lorraine 1941-8-13 10518 Modoc Patterson Ranger Station, East Creek drainage Modoc National Forest, Warner Mts., East Creek 518 Comment
  CDA35641  Achillea millefolium J. R. Keck Jr. 1985-7-11 PDR# 237697 Modoc Davis Creek, Modoc National Forest. Comment
  HSC81035  Achillea millefolium G. M. Riegel 1979-7-21 571 Modoc South Warner Mountains 1670 Comment
  CAS-BOT-BC242325  Achnatherum lemmonii C. L. Hitchcock 1940-5-28 6724 Modoc 15 mi. N of Alturas, near Surprise. 1402 Comment
  CDA28104  Achnatherum lemmonii L. White & H. T. Osborne 1957-6-27 Modoc 1/4 mile west of Cedar Pass, 3 miles west of Cedarville. Comment
  SEINET201566 Image available Achnatherum lemmonii A. Cronquist, AH Holmgren 1959-6-19 8495 Modoc Along Clear Lake Warner Mts. 15 mi E of Likely 1829 Comment
  RSA163808  Achnatherum lemmonii var. lemmonii Clare B. Hardham 1961-6-18 7552 Modoc Slopes, Hills, East side of Cedar Pass 1829 Comment
  CAS-BOT-BC242322  Achnatherum lettermanii Bruce Bartholomew 1989-7-15 4996 Modoc Sweagert Flat. 1860 Comment
  UC1601365  Achnatherum nelsonii subsp. dorei L. D. Whitney 1935-7-12 Modoc Cottonwood Flat Comment
  UCD50849  Achnatherum nevadense Beecher Crampton; Carl Rimbey 1954-7-7 2143 Modoc : Cedar Pass Summit, Warner Mountains. 1920 Comment
  UC1025001  Achnatherum occidentale subsp. occidentale Leo Whitney 1935-7-11 3458 Modoc 4 mi e Medicine Lake (Glass Mountain); Glass Mountain Comment
  UC1031351  Achnatherum occidentale subsp. pubescens Leo Whitney 1935-7-11 3452 Modoc ca. 15 mi nw Canby (Hackamore); Modoc National Forest, Hackamore 1463 Comment
  RSA17433  Achnatherum thurberianum Elmer I. Applegate 1932-8-3 8111 Modoc East branch of Mill Creek, near head. Comment
  RSA0037176  Acmispon americanus var. americanus Lowell A. Ahart, John Dittes 2012-7-12 18354 Modoc In the parking area on the east side of Elkins Lane, northeast of the homestead, about 300 yards north of the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley 1295 Comment
  SBBG128893  Acmispon americanus var. americanus L. Ahart 2008-8-25 15302 Modoc W bank (flood plane) of the Pit River, ca. 1/8 mi E of County Rd 91, ca. 3.8 mi (air) NNE of Lookout 1273 Comment
  JEPS123844  Acmispon denticulatus Lowell Ahart, John Dittes 2015-7-16 20389 Modoc Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. Comment
  HSC1956  Aconitum columbianum subsp. columbianum M. T. Milligan 1966-7-29 599 Modoc Slopes and ridges E of Jess Valley Comment
  CHSC99953  Acroptilon repens Lowell Ahart; John Dittes 2008-8-25 15309 Modoc On the east bank (flood plane) of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout. 1273 Comment
  CHSC85405  Actaea rubra John Dittes; Josephine Guardino 1991-8-24 457 Modoc Modoc Plateau; Warner Mountains; west slope, ca. 8.2 air-miles east of Goose Lake, ca. 2.3 air-miles south of Dismal Swamp, ca. 1.6 air-mile west of Bidwell Mtn.; tributary of Bidwell Creek west of Highgrade Road. 2087 Comment
  HSC80756  Actaea rubra G. M. Riegel 1980-8-12 1034 Modoc S Warner Mtns. 2100 Comment
  CAS-BOT-BC15643  Adenocaulon bicolor Bruce Bartholomew 1994-7-3 6830 Modoc 4 km E of U.S. Hwy 395 on road to Lily Lake, W side of Warner Mountains. 1610 Comment
  RSA0055854  Adenocaulon bicolor Doris Bowers 1972-9-2 1894 Modoc Upper Camp, Rush Creek, N/o Adin 1220 Comment
  UC29324  Adenocaulon bicolor Milo S. Baker 1893-6 Modoc along timbered mt. stream Comment
  UC26065  Agastache parvifolia Milo S. Baker 1893-6 Modoc Egg Lake Shore; on Egg Lake Shore Comment
  CAS-BOT-BC179878  Agastache urticifolia K. Paulson; Robert Paulson 1989-7-2 166 Modoc Happy Camp Lookout. 1850 Comment
  UC882836  Agastache urticifolia C. L. Hitchcock 1940-5-27 6704 Modoc on knoll 15 mi ne Alturas 1615 Comment
  UCLA72420  Agastache urticifolia Frances D. Payne 1932-6-26 607 Modoc Parker Creek 1828 Comment
  POM70467  Agastache urticifolia Mrs. R. M. Austin 1898-06 2195 Modoc Foothills, Goose Lake. Comment
  CAS-BOT-BC15644  Ageratina occidentalis Louis Cutter Wheeler 1935-8-14 3839 Modoc Pine Creek, Warner Mts. 2011 Comment
  CAS-BOT-BC15650  Ageratina occidentalis Annie Montague Alexander; L. Kellogg 1946-8-9 5146 Modoc Patterson Lake Trail, Warner Mts. Comment
  CHSC70462  Ageratina occidentalis A. Sanger 1997-8-7 2602 Modoc Pepperdine trailhead at wilderness boundary. 2194 Comment
  POM54280  Ageratina occidentalis M. S. Baker 1897-08 s.n. Modoc North Side of Egg Lake in Lava Comment
  UC711871  Agoseris X dasycarpa Roxana S. Ferris and Laura Lorraine 1941-8-14 10576 Modoc 3 mi from, on rd to Eagleville Patterson Ranger Station; Modoc National Forest, Warner Mountains Comment
  RSA608594  Agoseris glauca var. dasycephala L. C. Wheeler 1935-8-16 3885 Modoc Warner Mountains: Dismal Swamp, Twenty Mile Creek. 2226 Comment
  JEPS6027  Agoseris glauca var. glauca Frances D. Payne 1932-6-22 577 Modoc s and e of Alturas Alturas; Warner Mountains, Parker Creek 1584 Comment
  CAS-BOT-BC23036  Agoseris grandiflora John Thomas Howell 1934-6-11 11937 Modoc Parker Creek. Warner Mountains. 1584 Comment
  CAS-BOT-BC23035  Agoseris grandiflora var. grandiflora John Thomas Howell 1934-6-13 12079 A Modoc Fandango Pass, Warner Mts. 1828 Comment
  RSA26447  Agoseris parviflora J. T. Howell, Alice Eastwood 1940-6-11 8029 Modoc 8 miles from Canby on road to Alturas Comment
  JEPS68382  Agrostis alba Leland S. Smith 1918-1 108 Modoc Comment
  CAS-BOT-BC127525  Agrostis capillaris B. Bartholomew 1989-8-12 5111 Modoc Middle Fork of Fitzhugh Creek along West Warner Road, west side of Warner Mountains. 1920 Comment
  CHSC85406  Agrostis exarata John Dittes; Josephine Guardino 1991-8-23 456 Modoc Modoc Plateau; Warner Mountains; southwest edge of Dismal Swamp; ca. 7.4 air-miles east by southeast of Goose Lake State Recreation Area, ca. 0.7 air-miles south of Oregon border, ca. 3.3 air-mile northwest of summit of Bidwell Mtn. Meadow. 2209 Comment
  UC1025023  Agrostis exarata Leo Whitney 1935-7-17 3515 Modoc ca 15 mi nw Canby; Modoc National Forest, Hackamore, Lake Joaquina 1463 Comment
  UC1024667  Agrostis pallens Leo Whitney 2182 Modoc 15 mi nw Canby; Modoc National Forest, Hackamore 1463 Comment
  UCD53116  Agrostis pallens L. Whitney 1935-7-6 s.n. Modoc Pit River. Stone Coal Valley. Comment
  UCR34682  Agrostis scabra var. geminata J. A. Harpel 1981-8-6 V- 19 Modoc Warner Mtns, South Warner Wilderness Area: E end of Patterson Lake, 7 mi NW of Eagleville 2744 Comment
  UCD53615  Agrostis stolonifera August L. Hormay 1932-7-15 s.n. Modoc Pease Cabin, Modoc National Forest. Comment
  CHSC30527  Agrostis variabilis N. E. H. Prouty 1979-8-4 95 .2 Modoc SW corner of Medicine Lake. 2011 Comment
  UCD137905  Alisma gramineum Herbert L. Mason 1955-8-13 14651 A Modoc southwest side of Goose Lake. Comment
  RSA210811  Alisma triviale Robert F. Thorne, C. W. Tilforth 1969-9-4 39056 Modoc 2 mi W of Davis Creek (town), S. of Goose Lake 1433 Comment
  RSA367054  Allium acuminatum Christopher Davidson 1973-5-26 2145 Modoc Ca. 1 mile N of Adin Summit on State Highway 299. Modoc National Forest. 1524 Comment
  UCD141839  Allium amplectens L. K. Mann; M. D. Mann 1963-6-18 s.n. Modoc 4.6 miles north of Adin toward Alturas. Comment
  CAS-BOT-BC244985  Allium lemmonii Bruce Bartholomew 1990-6-16 5279 Modoc Bear Flat, W side of Warner Mountains. 1830 Comment
  CAS-BOT-BC244982  Allium parvum Bruce Bartholomew; M; M. Gilbert; L. E. Skog 1993-5-11 6490 Modoc Near SE corner of Big Sage Reservoir, 5.3 km E of Crowder Flat Road. 1580 Comment
  JEPS2720 Image available Allium parvum E. H. Steffen 1917-6-10 43 Modoc Jess Valley Warner Mts.; Jess Valley, Modoc Co. 1524 Comment
  CAS-BOT-BC244960  Allium platycaule G. D. Hanna; M. M. Hanna 1956-6-1 s.n. Modoc Cedar Pass. Comment
  CAS-BOT-BC244962  Allium platycaule Elmer Ivan Applegate 1932-8-1 8060 Modoc Summit of Warner Mts. at S base of Warren Peak. Comment
  CAS-BOT-BC244963  Allium platycaule M. M. Hanna 1956-6-3 940 Modoc Cedar Pass. Comment
  CAS-BOT-BC244969  Allium platycaule James Vale; et al 1981-5-23 4112 Modoc Between Canby and Adin near Pit River bridge. 1280 Comment
  CAS-BOT-BC244971  Allium platycaule Francis Dorris Payne 1929-6-12 3 Modoc Parker Creek. 1584 Comment
  CAS-BOT-BC244977  Allium platycaule John H. Hatton 1911-6-13 68 Modoc Rush Creek. 1371 Comment
  CHSC30636  Allium platycaule N. E. H. Prouty 1980-6-2 176 Modoc Northern side of Dry Creek Basin Rd. Modoc Nat. Forest, Warner Mt. District. Comment
  SEINET5641928  Allium platycaule Helen K. Sharsmith 1955-6-22 4484 Modoc Warner Mountains, Modoc National Forest.; 0 1890 Comment
  UC3103  Allium platycaule Mrs. R. M. Austin and Bruce July 1898 2227 Modoc Hugh Mts. Warner range, Hugh Mts. Comment
  UC725720  Allium platycaule A. A. Heller 1941-6-25 16207 Modoc Cedar Pass 1935 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-BC244952  Allium tolmiei var. tolmiei Elmer Ivan Applegate 1932-7-9 7586 Modoc Bidwell Mountain. Comment
  CAS-BOT-BC244953  Allium tolmiei var. tolmiei K. Paulson; Robert Paulson 1990-6-21 205 Modoc N of Stough Reservoir, E side of Warner Mts. 1950 Comment
  CAS-BOT-BC244959  Allium tolmiei var. tolmiei Bruce Bartholomew; Barrett Anderson 1988-5-13 4146 Modoc Along Parker Creek Road, at the border of Modoc National Forest and ca. 16 km WSW of Alturas, side of the Warn 1580 Comment
  HSC8877  Alopecurus aequalis M. T. Milligan 1964-7-25 171 Modoc Pine Creek Basin, along trail. 2439 Comment
  RSA603009  Alopecurus aequalis L. C. Wheeler 1935-10-6 4026 Modoc Lily Lake. Pine Creek, Warner Mts. 2073 Comment
  UC1136996  Alopecurus aequalis August L. Hormay 1932-7-15 Modoc Pease Cabin Modoc Nat'l Forest, Pease Cabin Comment
  CAS-BOT-BC242337  Alopecurus geniculatus James D. Jokerst 1983-7-27 1906 Modoc Near Signal Butte. 1340 Comment
  RSA0045633  Alopecurus pratensis Lowell A. Ahart, John Dittes 2008-6-21 14988 Modoc About 10 yards north of a large culvert, on the large levee, in Big Valley, about 2.8 miles (air) north of the Headquarters at Ash Creek State Wildlife Area, about 5.4 miles (air) northeast of Bieber. 1256 Comment
  UCR87504  Alyssum alyssoides George K. Helmkamp, E. A. Helmkamp 1993-5-4 s.n. Modoc 25.6 miles NW of Canby along Calif. Hwy 139 1280 Comment
  HSC42319  Alyssum alyssoides S. Saufferer 1973-5-5 131 Modoc About 7 1/2 mi. S of Pine Creek along Hwy. 395 Comment
  CAS-BOT-BC58648  Alyssum desertorum Bruce Bartholomew; Barrett Anderson 1989-4-27 4621 Modoc 2.1 km SSE of Day on road to State Highway 299. 1020 Comment
  CAS-BOT-BC58604  Alyssum simplex James Vale 1981-5-21 Modoc Alturas. Comment
  SEINET8075446  Alyssum simplex Noel H. Holmgren, Patricia K. Holmgren 1998-5-30 12993 Modoc Surprise Valley, Fort Bidwell-Cedarville road, 1.8 km (1.1 mi) south of the Fandango Pas road and 31.2 km (19.4 mi) north of downtown Cedarville.; 0 1370 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
  CHSC99958  Amaranthus albus Lowell Ahart; John Dittes 2008-8-25 15320 Modoc On the east bank (flood plane) of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout. 1273 Comment
  SEINET200137  Amaranthus californicus H. L. Mason, V. Grant 1947-7-10 13326 Modoc Dorris Reservoir 2 miles east of Alturas Comment
  RSA0025585  Amelanchier John F. Emmel 1996-7-15 1433 Modoc Warner Mtns; ridge 1.1-1.5 air mi south and 0.3-0.5 air mi west of Emerson Peak. 2409 Comment
  HSC41462  Amelanchier alnifolia J. P. Smith, J. O. Sawyer 1973-8-9 7265 Modoc Blue Lake, Modoc National Forest 1829 Comment
  RSA59973  Amelanchier pallida E. K. Balls 1950-5-13 14678 Modoc West shore of Goose Lake, 0.5 mile south of Oregon-California State line. 1463 Comment
  CAS-BOT-BC217090  Amelanchier utahensis Alice Eastwood; John Thomas Howell 1940-6-12 8045 Modoc Between Likely and Jess Valley. 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
  CAS-BOT-BC217099  Amelanchier utahensis Annie Montague Alexander; L. Kellogg 1946-6-5 4658 A Modoc Emerson Creek, S of Eagleville, Warner Mts. 1783 Comment
  CAS-BOT-BC248336  Amelanchier utahensis B. Bartholomew; H. Sun 2002-6-24 8816 Modoc Ridge top just S of Manzanita Mt. and 15.3 straight line km NW of Aden 2070 Comment
  JEPS114429  Amelanchier utahensis Lowell Ahart, John Dittes 2008-8-26 15349 Modoc Northwest side of Rose Creek, 750 feet northeast 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
  UCD48753  Amphiscirpus nevadensis Louis C. Wheeler 1935-9-4 3944 Modoc McGinty Point, Goose Lake, Modoc. Co. 1463 Comment
  CAS-BOT-BC54152  Amsinckia menziesii John Thomas Howell 1934-6-12 12039 Modoc 10 mi. S of New Pine Creek. Comment
  JEPS121202  Amsinckia menziesii Lowell Ahart, John Dittes 2013-7-25 18952 Modoc 30 yards N of the E-W fence, south edge of Ash Creek Floodplain, NE of Patterson Homestead, E of Elkins Lane, 1.0 air miles S of County Road 87, 3.14 air miles W of Adin, Big Valley. Comment
  JEPS25208  Amsinckia menziesii var. menziesii Frances D. Payne 1931-6-17 184 Modoc Parker Creek s and e of Alturas; Warner Mountains 1584 Comment
  UC726760  Amsinckia tessellata var. tessellata A. A. Heller 1941-6-26 16216 Modoc 4 mi e Canby Comment
  CAS-BOT-BC15605  Ancistrocarphus filagineus Alice Eastwood; John Thomas Howell 1940-6-15 8298 Modoc 5 mi. N of Lookout. Comment
  JEPS89500  Ancistrocarphus filagineus Dean Wm. Taylor with Robert A. Price 1988-6-4 9757 Modoc ca. 2.6 mi. S10 degrees e. of Casuse Mt. (Dobie Flat); Modoc Plateau, Tule Lake 15' Quad., Tule Lake Basin, Dobie F 1280 Comment
  SJSU9567  Ancistrocarphus filagineus W. Savage 1979-7-3 1309 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  UC748335  Antennaria argentea Annie M. Alexander and Louise Kellogg 1946-6-17 4785 Modoc Cedar Pass Road 1767 Comment
  RSA149136  Antennaria argentea I. L. Wiggins, Dorothy Wiggins 1961-6-15 16504 Modoc 22 mi. W of Canby, along Highway 139 Comment
  CAS-BOT-BC15579  Antennaria dimorpha Bruce Bartholomew; Barrett Anderson 1989-4-27 4609 Modoc 2.1 km SSE of Day on road to State Highway 299. 1020 Comment
  CAS-BOT-BC15580  Antennaria dimorpha Bruce Bartholomew; Barrett Anderson 1988-5-12 4126 Modoc Ca. 13 km NNE of Adin on State Highway 229 at turnoff to Higgins Flat on USFS road 41N11. 1440 Comment
  CAS-BOT-BC15581  Antennaria dimorpha Roxana Stinchfield Ferris; R. Duthie 1919-6-16 133 Modoc Above Parker Creek. Comment
  JEPS5979  Antennaria dimorpha Frances D. Payne 1932-6-26 603 Modoc s and e of, (high ridges n of Parker Creek) Alturas; Warner Mountains, Parker Creek 1828 Comment
  POM40357  Antennaria dimorpha Mrs. R. M. Austin 1895-07 s.n. Modoc Goose Lake Valley. Comment
  CAS-BOT-BC15586  Antennaria geyeri Leland S. Smith 1407 Modoc Happy Camp. 1371 Comment
  CAS-BOT-BC15588  Antennaria geyeri John Thomas Howell 1934-6-30 12255 Modoc Duncan Horse Camp. 1355 Comment
  CAS-BOT-BC15585  Antennaria geyeri Frank Warrington Peirson 1926-6-26 6909 Modoc NW of Canby. Comment
  SEINET6735128 Image available Antennaria geyeri M. S. Baker 1893-1 s.n. Modoc Egg Lake Comment
  CAS-BOT-BC15600  Antennaria luzuloides Bruce Bartholomew 1990-6-17 5351 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-BC15554  Antennaria luzuloides John H. Hatton 1911-6-14 90 Modoc Pit River Ranger Station. 1295 Comment
  RSA41983  Antennaria luzuloides H. C. Cantelow 1935-6-8 860 Modoc NE of Bierber Comment
  CHSC117048  Antennaria luzuloides subsp. luzuloides Lowell Ahart; John Dittes 2016-6-6 20949 Modoc About 40 yards west of the dirt road, about 50 yards southwest of the intersection of County Road 87 and Access Road to Pilot Butte Parking Area, northeast base of Pilot Butte, 3.8 miles (air) east of Lookout, 7.5 miles (air) west of Adin, Ash Creek State Wildlife Area. 1271 Comment
  SEINET475156  Antennaria luzuloides subsp. luzuloides Arnold Tiehm 1984-6-30 Modoc NW side of Bidwell Mt., 2.2 road miles north of 8 mile Creek on the road from Lake Annie Comment
  JEPS5986  Antennaria rosea Frances D. Payne 1932-6-26 608 Modoc high ridges n of; Warner Mountains, Parker Creek 1828 Comment
  CAS-BOT-BC15560  Antennaria rosea subsp. rosea John Thomas Howell 1934-6-11 11967 Modoc Parker Creek. 1584 Comment
  CAS-BOT-BC15565  Anthemis cotula Bruce Bartholomew 1990-8-3 5597 Modoc Ash Creek Wildlife Refuge, ca. 2.5 km S of County Road 87 and 7 km W of Adin. 1250 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
  CHSC85148  Apera interrupta John Dittes; Josephine Guardino 1991-7-21 400 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
  HSC80948  Apocynum androsaemifolium G. M. Riegel 1980-7-14 880 Modoc S Warner Mtns. 1670 Comment
  UC22906  Apocynum androsaemifolium Baker July, 1893 Modoc Comment
  HSC18039  Aquilegia formosa var. formosa M. T. Milligan 1964-7-25 179 Modoc Pine Creek Basin, along trail. 2439 Comment
  SEINET5340313  Arabis holboellii var. pinetorum E. K. Balls 1950-5-14 14691 Modoc .2m. south boundary Modoc National Forest, trail from Alturas to Thomas Reservoir. 1524 Comment
  HSC6568  Arabis holboellii var. retrofracta M. T. Milligan 1964-4-25 Modoc S of Lower Cummings Reservoir Comment
  NY114823  Arabis puberula G. Schoolcraft 1981-5-12 388 Modoc South of Alturas near Jones Lane 1402.1 Comment
  RSA486354  Arabis puberula Bruce Bartholomew, B. Anderson 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
Read comments Feb 9 2009
  RSA94049  Arabis puberula C. C. Bruce 1898-06 2251 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
  CAS-BOT-BC95649  Arctostaphylos nevadensis Belknap C. Goldsmith 1911-6-14 31 Modoc N Fork Davis Creek. 1920 Comment
  UC748234  Arctostaphylos nevadensis Annie M. Alexander and Louise Kellogg 1946-6-25 4828 Modoc on road leading down to Dismal Swamp (n end of mts.); Warner Mountains 2255 Comment
  SD108262  Arctostaphylos patula subsp. platyphylla Walter Knight, Irja Knight 1981-5-25 4110 Modoc On White Horse Road enroute to Egg Lake from Lookout 1250 Comment
  UCR34702  Arenaria J. A. Harpel 1981-8-6 V 28 Modoc Warner Mtns, South Warner Wilderness Area: E end of Patterson Lake, 7 mi NW of Eagleville 2744 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
  RSA610787  Arenaria congesta L. C. Wheeler 1935-9-12 3980 Modoc Devils Garden: 2 miles SW Poindexter Reservoir. 1524 Comment
  UC711815  Arenaria congesta var. congesta Roxana S. Ferris and Laura Lorraine 1941-8-14 10589 Modoc 3 mi Patterson Ranger Station (on road to Eagleville); Modoc National Forest, Warner Mountains 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
  JEPS5916  Arnica chamissonis Frances D. Payne 1933-7-2 Modoc s and e of Alturas; Warner Mountains, Parker Creek Comment
  CAS-BOT-BC15566  Arnica chamissonis subsp. foliosa Annie Montague Alexander; L. Kellogg 1946-7-13 4990 Modoc Cowhead Lake. Comment
  JEPS35919  Arnica cordifolia N. T. Mirov 1929-6-16 Modoc Buck Creek Ranger Station, e of Goose Lake, on Fandango Valley Road Warner Mountains, Buck Creek, Goose Lake 1615 Comment
  SEINET6774984 Image available Arnica cordifolia M. J. Williams 1984-6-29 84- 72 -3 Modoc Cave Lake, west side of the Warner Mountains 2134 Comment
  CAS-BOT-BC15424  Arnica discoidea Bruce Bartholomew 1989-7-14 4979 Modoc Vicinity of Upper Rush Creek Camp Ground. 1580 Comment
  JEPS6005  Arnica fulgens Frances D. Payne 1932-6-24 598 Modoc s and e of Alturas; Parker Creek, Warner Mountains 1584 Comment
  SEINET6775047 Image available Arnica fulgens A. M. Alexander, L. Kellogg 1946-6-14 4748 Modoc 0.25 miles on branch to Silver Creek, Patterson Mill Rd. 1829 Comment
  CAS-BOT-BC15283  Arnica longifolia Leland S. Smith 1918-8-28 1055 Modoc Patterson Lake and Owl Creek. 2438 Comment
  CAS-BOT-BC15284  Arnica longifolia Alice Eastwood; John Thomas Howell 1940-6-12 8075 Modoc Between Likely and Jess Valley. Comment
  UC936191  Arnica longifolia Annie M. Alexander and Louise Kellogg 1946-7-23 5055 Modoc Emerson Peak , Warner Mountains Comment
  HSC81049  Arnica mollis G. M. Riegel 1980-8-25 1108 Modoc S Warner Mountains 1670 Comment
  SEINET6775129 Image available Arnica mollis M. J. Williams 1984-7-1 84- 87 -6 Modoc Northwest of Alturas, Crowder Flat Rd., near Big Sage Reservoir 1372 Comment
  UCR138444  Arnica parryi subsp. sonnei David A. Charlet 1989-8-16 546 Modoc Warner Mountains. 0.8 km NNW of Eagle Peak 2713 Comment
  HSC81047  Arnica sororia G. M. Riegel 1979-7-14 541 Modoc South Warner Mountains 1670 Comment
  SJSU9608  Arnica sororia W. Savage 1979-7-7 1468 Modoc Triangle, Devils Garden District, Modoc National Forest 1493 Comment
  UCD35726  Artemisia arbuscula Beecher Crampton 1960-6-17 5692 Modoc McKay flat, 13 miles west of Canby, 2.5 miles northeast of Happy Camp Station. 1280 Comment
  CAS-BOT-BC90105  Artemisia arbuscula subsp. arbuscula Frank P. Sipe 1937-8-27 s.n. Modoc Alturas - Susanville Road Comment
  HSC81046  Artemisia arbuscula subsp. arbuscula G. M. Riegel 1980-7-23 928 Modoc S Warner Mtns. 1739 Comment
  RSA608612  Artemisia cana L. C. Wheeler 1935-8-30 3931 Modoc Devil's Garden: Lakeshore Reservoir. 1524 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
  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
  CAS-BOT-BC15255  Artemisia ludoviciana subsp. incompta Kenton L. Chambers; Ronald J. Tyrl 1965-9-22 2432 Modoc Cedar Pass. 1920 Comment
  CAS-BOT-BC15256  Artemisia ludoviciana subsp. incompta Francis Dorris Payne 1934-8-29 s.n. Modoc Parker Creek. 1584 Comment
  UC1776687  Artemisia ludoviciana subsp. incompta G. Schoolcraft 1999-7-13 2861 Modoc Lower slopes of Warner Mountains 3 miles N of Eagleville, CA 1524 Comment
  CAS-BOT-BC15264  Artemisia ludoviciana subsp. ludoviciana Bruce Bartholomew 1992-8-10 6401 Modoc Rush Creek just N of Round Valley on Highway 299. 1350 Comment
  CHSC105977  Artemisia ludoviciana subsp. ludoviciana Lowell Ahart; John Dittes 2010-8-30 17050 Modoc High bank of a small wash, 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
  CAS-BOT-BC15205  Artemisia tridentata subsp. tridentata Elmer Ivan Applegate 1932-8-1 8201 Modoc West side of Middle Lake, Surprise Valley Comment
  CAS-BOT-BC15206  Artemisia tridentata subsp. tridentata Robert Patterson; Mona Bourell 1993-8-15 5245 Modoc South Warner Wilderness Area. Warner Mountains. 2743 Comment
  UC71705  Artemisia tridentata subsp. tridentata Mrs. M. H. Manning Sep 1 1902-Oct 1 1902 30 Modoc near Fort Bidwell Comment
  CAS-BOT-BC15651  Asclepias cordifolia Leland S. Smith 1919-6-4 1121 Modoc Deep Creek near Ranger Station. 1524 Comment
  CAS-BOT-BC15655  Asclepias cordifolia E. S. Willits 1940-6-9 330 Modoc Fandango Pass. Comment
  CAS-BOT-BC15656  Asclepias cordifolia K. Paulson; Robert Paulson 1989-6-21 149 Modoc Vicinity of Granger Creek, E side of the Warner Mts. Comment
  CAS-BOT-BC15658  Asclepias cordifolia Bruce Bartholomew 1995-6-1 6923 Modoc 1.3 km E of Day between Day and Lookout on County Road 94. 1200 Comment
  SEINET10580365  Asclepias cordifolia Robert F. Thorne, C. W. Tilforth 1969-9-5 Thorne 39152 Modoc Modoc National Forest, Warner Mts., near Mill Creek Falls 1753 Comment
  JEPS127722  Asclepias fascicularis Alejandro Brambila, Michael Dolan 2016-8-25 CA 320 -177 Modoc Population is North and West of Nelson Spring in South Likely Tablelands Comment
  CAS-BOT-BC15664  Asclepias speciosa Bruce Bartholomew 1994-7-4 6847 Modoc Hubert Creek. 1390 Comment
  RSA520444  Asclepias speciosa Bruce Bartholomew 1990-6-17 5285 Modoc Surprise Valley, SW side of Lower Alkali lake, 1.8 km N of Lassen County border. 1370 Comment
  CDA5650  Asperugo procumbens T. Espil 1991-6-21 Modoc Eagleville. 0 Comment
  RSA607254  Aster ascendens L. C. Wheeler 1935-8-27 3925 Modoc S Mt. Spring, Devil's Garden. 1524 Comment
  UCR67032  Aster frondosus George K. Helmkamp 1990-9-23 J- 16 Modoc Warner Mtns, Goose Lake, within 0.1 mi of the Oregon border 1476 Comment
  CAS-BOT-BC180154  Astragalus Annie Montague Alexander; L. Kellogg 1946-6-10 4717 Modoc Slope facing Lower Lake, lava bench below Lower and Snake lakes. Comment
  CAS-BOT-BC218209  Astragalus canadensis var. brevidens R. M. Austin 1898-7-1 2213 Modoc Shore Goose Lake. Comment
  POM23703  Astragalus canadensis var. brevidens G. Austin 1895-08 98 Modoc Shores of Goose Lake. Comment
  RSA150339  Astragalus curvicarpus A. J. Cronquist, Arthur H. Holmgren 1959-6-21 8530 Modoc East side of the Warner Mts. below Fandango Pass. 1524 Comment
  RSA0029192  Astragalus curvicarpus John F. Emmel 1997-6-8 1492 Modoc Along Hwy 395 ca. 5.5 road mi south of Alturas, 0.6 road mi south of highway crossing of South Fork Pit River. 1341 Comment
  CAS-BOT-BC218212  Astragalus curvicarpus var. curvicarpus Margaret J. Williams 1984-6-29 84- 74 -1 Modoc 4.8 mi. in on Fandango Pass road from Hwy 395. 1524 Comment
  CHSC70727  Astragalus curvicarpus var. curvicarpus A. Sanger 1997-6-2 2478 Modoc Casuse Mtn., adjacent to road running along eastern edge. 1267 Comment
  UC13369  Astragalus curvicarpus var. curvicarpus Milo S. Baker 1893-6-24 Modoc near Forestdale (Lava Beds, sw Modoc); Lava Beds, near Forestdale Comment
  CAS-BOT-BC218215  Astragalus curvicarpus var. curvicarpus Amos Arthur Heller 1938-6-24 15225 Modoc Roadside between Alturas and Canby. Comment
  CAS-BOT-BC182064  Astragalus filipes Leland S. Smith 1919-6-8 1126 Modoc Deep Creek above station. 1676 Comment
  UC1539989  Astragalus filipes M. Mitchell 1936-5-21 50 Modoc 2 mi se Hospital Rock (Lava Beds National Monument); , se of Hospital Rock 1249 Comment
  CAS-BOT-BC182068  Astragalus filipes Mrs. H. C. Cantelow 1940-5-31 3797 Modoc E of Canby. Comment
  CAS-BOT-BC182963  Astragalus filipes Mrs. R. M. Austin; Mrs. Bruce 1898-6-1 2208 Modoc Plains - Goose Lake Comment
  CDA26666  Astragalus filipes T. C. Fuller 1965-6-2 13593 Modoc South side of Highway 299 to Canby, 10.3 miles west of Alturas. 0 Comment
  CDA26667  Astragalus filipes T. C. Fuller 1965-6-3 13604 Modoc West side of Highway 395 to Alturas, 6.5 miles north of Likely. 0 Comment
  POM204050  Astragalus filipes J. T. Howell 1934-6-13 12086 Modoc Surprise Valley, 10 miles s. of Ft. Bidwell. Comment
  RSA520483  Astragalus filipes Bruce Bartholomew, B. Anderson 1989-6-2 4811 Modoc NE side of Upper Lake, 4km S of road to Fee Reservoir, NE end of Surprise Valley. 1420 Comment
  UC748310  Astragalus filipes Annie M. Alexander and Louise Kellogg 1946-6-12 4743 Modoc e side Fandango Pass Road; Fandango Pass Road e side Comment
  CAS-BOT-BC182058  Astragalus inversus Leo David Whitney 1934-5-24 1964 Modoc Near Hackamore. 1463 Comment
  CAS-BOT-BC182056  Astragalus lentiginosus var. platyphyllidius James D. Jokerst 1983-5-31 1803 Modoc Near Signal Butte. 1340 Comment
  CAS-BOT-BC182054  Astragalus malacus Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-10 6449 Modoc At the Nevada border directly E of Eagleville, E side of Surprise Valley. 1520 Comment
  NY677319  Astragalus obscurus B. M. Bartholomew 1991-5-24 5740 Modoc Near northwest side of Big Mud Lake and 2 km southwest of Nevada State boundary 1680 Comment
  CAS-BOT-BC193029  Astragalus purshii var. tinctus E. K. Balls 1950-5-13 14662 Modoc Goose Lake, east shore, about Willow Ranch 1463 Comment
  RSA163835  Astragalus whitneyi var. confusus Clare B. Hardham 1961-6-18 7578 Modoc Mtns S of Cedar Pass. 1982 Comment
  CAS-BOT-BC181989  Astragalus whitneyi var. lenophyllus Edward Kent Balls 1950-5-18 14741 Modoc 1 mi. SW of Canby Bridge on Hwy. 299. 1341 Comment
  CAS-BOT-BC182004  Astragalus whitneyi var. lenophyllus Edward Kent Balls 1950-5-10 15964 Modoc 0.5 mi. past fork of Hwy 395 and road from Altuas to Cedarville. 1584 Comment
  CAS-BOT-BC182008  Astragalus whitneyi var. lenophyllus Bruce Bartholomew 1989-7-14 4924 Modoc Along Rush Creek between Lower and Upper Rush Creek Campgrounds. 1580 Comment
  CAS-BOT-BC182016  Astragalus whitneyi var. lenophyllus Annie Montague Alexander; L. Kellogg 1946-7-23 5043 Modoc Emerson Peak, Warner Mts. Comment
  CAS-BOT-BC182014  Astragalus whitneyi var. lenophyllus C. C. (Mrs.) Bruce 1898-6-1 2209 Modoc Foothills, Modoc County. 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-BC58462  Athysanus pusillus Francis Dorris Payne 1932-6-10 529 Modoc Parker Creek. 1584 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
  RSA520472  Athysanus pusillus Bruce Bartholomew, B. Anderson 1989-4-27 4626 Modoc Little Hot Spring Valley, 4 km NW of Day. 1070 Comment
  RSA97506  Atriplex confertifolia Beecher Crampton 1954-7-7 2152 Modoc 7 miles E of Cedarville. Comment
  CAS-BOT-BC95509  Atriplex rosea Mary DeDecker 1974-10-28 3710 Modoc Just S of Alturas along Highway 395. Comment
  JEPS59672  Atriplex rosea W. L. Jepson 1918-8-10 7939 Modoc Alturas Alturas (on railway embankment) 1371 Comment
  CDA2936  Atriplex rosea T. C. Fuller 1962-8-29 9483 Modoc Between road and canal of the South Fork of the Pit River, Pit River Ranch, ca. 5 miles north of Likeley. 0 Comment
  CAS-BOT-BC15144  Balsamorhiza X terebinthacea Bruce Bartholomew; Barrett Anderson 1988-5-14 4195 Modoc 1.3 km S of turn off to Crowder Flats West Side Road, W side of Goose Lake. 1410 Comment
  UC75935  Balsamorhiza hookeri Milo S. Baker Modoc near Egg Lake Comment
  CAS-BOT-BC218200  Balsamorhiza hookeri John H. Hatton 1911-6-9 1 Modoc Modoc County - Modoc National Forest 1356 Comment
  CAS-BOT-BC15183  Balsamorhiza hookeri var. lanata Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-11 6483 Modoc 5.6 km N of State Hwy 299 on Crowder Flat Road. 1580 Comment
  CHSC67159  Balsamorhiza macrolepis var. platylepis James D. Jokerst 1994-5-3 4038 Modoc Devils Garden located 4 mi E of Spalding Butte, 1.5 mi SW of Mud Lake. +- 100 ft N of milepost 42. Comment
  SEINET476714  Balsamorhiza macrolepis var. platylepis Unknown 1923-4-26 Modoc Lookout Comment
  CAS-BOT-BC15127  Balsamorhiza sagittata Leland S. Smith 1919-6-2 1106 Modoc Deep Creek Ranger Station, Modoc National Forest 1524 Comment
  CAS-BOT-BC15200  Balsamorhiza sagittata S. Saufferer 1973-5-5 130 Modoc About 7.5 mi. S of Pine Creek, along Hwy 395. Comment
  JEPS32254  Balsamorhiza sagittata L. S. Smith 1919-5-8 1095 Modoc 5 mi w of West Valley Canyon (Clarke Ranch, S. Fork Pit River, Jess Valley, Warner Mts.); Warner Mts., S. Fork Pit River, Jess Valley 1584 Comment
  UC88467  Balsamorhiza sagittata R. M. Austin 1894-5-1 47 Modoc Goose Lake Valley Comment
  CHSC85176  Barbarea orthoceras John Dittes; Josephine Guardino 1991-7-21 389 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
  CHSC85175  Beckmannia syzigachne John Dittes; Josephine Guardino 1991-7-21 439 Modoc Modoc Plateau; Big Valley; Ash Creek Wildlife Area; ca. 5.7 air-miles northeast of Bieber, ca. 7.6 air-miles west of Adin, ca. 1.5 air-mile southeast of Pilot Butte summit; meadow at northern edge of Ash Creek Floodplain (Big Swamp) at southeast base of Pilot Butte. 1258 Comment
  RSA603673  Beckmannia syzigachne L. C. Wheeler 1935-10-5 4019 Modoc N Fork Pit River at Parker Creek. 1372 Comment
  CAS-BOT-BC54223  Berberis aquifolium var. repens John Thomas Howell 1934-6-11 11981 Modoc Parker Creek, Warner Mts. 1584 Comment
  UC1280792  Berberis aquifolium var. repens H. E. McMinn 1931-5-23 2445 Modoc Fandango Pass; Warner Mts Comment
  JEPS16042  Berula erecta Frank W. Peirson 1926-6-26 6903 Modoc Road from Alturas to Canby Comment
  NY526246  Betula glandulosa A. M. Alexander 1946-6-25 4819 Modoc Dismal Swamp, north end of Warner Mountains 2255.5 Comment
  RSA34820  Betula occidentalis Roxana S. Ferris, Laura Lorraine 1941-8-14 10600 Modoc 8.5 miles from Patterson Ranger Station on Eagleville road. Warner Mountains. Modoc National Forest. Comment
  UC748347  Betula occidentalis Annie M. Alexander and Louise Kellogg 1946-6-14 4746 Modoc edge Barber Creek; Patterson Mill Road 1798 Comment
  CDA39611  Betula occidentalis T. C. Fuller 1971-7-14 19907 Modoc South Barber Creek at crossing with Barber Grade. 0 Comment
  RSA210843A  Bidens cernua R. F. Thorne, J. Henrickson, C. W. Tilforth 1969-9-3 39027 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
  RSA210863  Bidens cernua R. F. Thorne, J. Henrickson, C. W. Tilforth 1969-9-4 39117 Modoc N Fork of Pit River 3.4 mi N of Alturas where crossed by Hwy 395 1341 Comment
  CAS-BOT-BC15101  Bidens laevis Bruce Bartholomew 1992-8-7 6352 Modoc Along the Pit River just SW of Canby Bridge. 1300 Comment
  CAS-BOT-BC15150  Bidens laevis Doris K. Kildale 1926-9-11 2770 A Modoc Alturas. 1371 Comment
  HSC17476  Bistorta bistortoides M. T. Milligan 1966-7-3 538 Modoc Slopes and ridges E of Jess Valley 1829 Comment
  CAS-BOT-BC15092  Blepharipappus scaber Lillian S. Mott 1976-5-29 5 LM76 Modoc Devil's Garden, N of Alturas. 1402 Comment
  CAS-BOT-BC15105  Blepharipappus scaber Barrett Anderson 1986-7-9 3130 Modoc Poney Flat Road, just off Hwy 299 1435 Comment
  CAS-BOT-BC15106  Blepharipappus scaber R. K. Gierisch; D. H. Esplin 1969-7-15 3541 Modoc Modoc National Forest 1524 Comment
  CAS-BOT-BC15108  Blepharipappus scaber Bruce Bartholomew; Barrett Anderson 1989-6-1 4735 Modoc ca. 0.5 km S of State Hwy 299 on road to Shaker Spring. 1420 Comment
  CAS-BOT-BC15078  Blepharipappus scaber Louis Cutter Wheeler 1935-8-1 3725 Modoc Pine Creek, Warner Mts. 1767 Comment
  HSC42414  Blepharipappus scaber Barbara Kelly 1977-8-9 579 Modoc Upper Rush Creek Campground N of Adin; above cow trail Comment
  JEPS6015  Blepharipappus scaber Frances D. Payne 1932-6-22 579 Modoc s and e of Alturas (Parker Creek, Warner Mountains); Warner Mountains, Parker Creek 1584 Comment
  RSA534712  Blepharipappus scaber Bruce Bartholomew 1990-6-18 5367 Modoc Southwest side of Goose Lake, 2 km north of McGinty Point. 1420 Comment
  RSA0125878  Boechera C. L. Hitchcock 1940-5-27 6714 Modoc 15 miles NE of Alturas. 1677 Comment
  UC615421  Boechera acutina Beryl O. Schreiber 1934-6-10 1167 Modoc Lost Lake Warner Mountains Comment
  CAS-BOT-BC16900  Boechera calderi M. Bourell; R. W. Patterson 1993-8-15 5262 Modoc South Warner Wilderness Area. Warner Mountains. 2743 Comment
  JEPS90233  Boechera lemmonii Dean Wm. Taylor with Glenn L. Clifton 1989-8-5 10440 Modoc Warner Mountains, e face of Emerson Peak, Emerson Creek drainage Emerson Peak; Warner Mountains, Emerson Peak 2560 Comment
  CAS-BOT-BC95734  Boechera pauciflora Francis Marion Ownbey; Frederick Gustav Meyer 1940-7-1 2148 Modoc Cedar Peak, Warner Mts. Comment
  CAS-BOT-BC14148  Boechera pendulocarpa L. S. Smith 1917-7-2 55 Modoc Modoc Forest. Warren Peak, head of Parker Creek. 2316 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
  JEPS126550  Boechera pinetorum Lowell Ahart, John Dittes 2016-6-6 20947 Modoc About 50 yards southwest of the intersection of County Road 87 and Access Road to Pilot Butte Parking Area, northeast base of Pilot Butte, 3.8 miles (air) east of Lookout, 7.5 miles (air) west of Adin, Ash Creek State Wildlife Area. Comment
  CAS-BOT-BC35123  Boechera puberula E. S. Willits 1940-5-6 225 Modoc Davis Creek. Comment
  CAS-BOT-BC35124  Boechera puberula Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-11 6488 Modoc Near SE corner of Big Sage Reservoir, 5.3 km E of Crowder Flat Road. 1580 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-BC25527  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-BC58660  Boechera retrofracta Bruce Bartholomew 1995-6-1 6924 Modoc 1.3 km E of Day between Day and Lookout on County Road 94. 1200 Comment
  CHSC13737  Boechera retrofracta J. Grove 1973-5-1 91 Modoc Collected ca. 5 mi w of Day. 1005 Comment
  CAS-BOT-BC25702  Boechera sparsiflora John Thomas Howell 1934-6-14 12138 Modoc Warner Mountains. Near Lost Lake. 2438 Comment
  SBBG2382  Boechera stricta H. and M. Dearing 1939-6-8 3595 Modoc Lily Lake, Warner Mtns 1828 Comment
  UC71683  Boechera subpinnatifida Mrs. M. H. Manning Jul 1903 100 b Modoc near Fort Bidwell (ne Modoc County) Comment
  RSA210868  Boisduvalia glabella Robert F. Thorne, J. Henrickson, C. W. Tilforth 1969-9-4 39122 Modoc N Fork of Pit River 3.4 mi N of Alturas where crossed by Highway 395. 1341 Comment
  POM46123  Boisduvalia macrantha R. M. Austin 1895-07 426 Modoc Davis Creek Comment
  SEINET5340923  Brassica napus M. J. Williams, T. Holcomb; B. Holcomb; L. Saxton 1988-5-28 88- 21 -1 Modoc Crowder Flat road, west of Alturas. Road leads to Devil's Garden and Big Sage Reservoir and is near Hwy 299. Comment
  JEPS120504  Brickellia grandiflora B. Castro and L. P. Janeway 2012-7-24 1948 Modoc Warner Mountains. Along Forest Road / county Road 2 (the road from New Pine Creek to Fort Bidewell) 0.6 air mi west of Lily Lake and 0.9 air mi northwest of Yellow Mountain. Comment
  UCSB29269  Bromus briziformis Hardham, Clare 1961-6-18 Modoc Cedar Pass Comment
  SEINET4345007  Bromus briziformis S. C. Swif 1937-6-25 48 Modoc North Fork of Pit River South of Davis Creek 1280 Comment
  CAS-BOT-BC242474  Bromus carinatus var. carinatus John H. Hatton 1911-6-15 107 Modoc unspecified Comment
  JEPS69184  Bromus carinatus var. carinatus Leland S. Smith 1918-1 837 Modoc Comment
  UCD59096  Bromus carinatus var. marginatus Leo Whitney 1934-5-19 3043 b Modoc Timbered Mountains. Devil's Garden, Modoc National Forest, northeast portion of county. 1524 Comment
  UCD59097  Bromus carinatus var. marginatus L. Whitney 1935-7-6 s.n. Modoc Pit River. Stone Coal Valley. Comment
  JEPS69166  Bromus commutatus Leland S. Smith 1918-7-7 978 Modoc Modoc National Forest, Jess Valley Jess Valley; Modoc National Forest, Jess Valley Comment
  CHSC118824  Bromus inermis L. P. Janeway 2014-7-8 11476 Modoc Modoc Plateau. East corner of Dry Creek Rim; along Road 47N08 (Corral Creek Road) 5.1 road-km north-northwest of Road 48 (along the west edge of Goose Lake). 1759 Comment
  CHSC117493  Bromus japonicus Lowell Ahart; John Dittes 2016-7-16 21247 Modoc Between the first pond and the second going west, south of Ash Creek Canal (now filled in), south of Ash Creek, Ash Creeek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.75 miles (air) west of Adin, Big Valley. 1273 Comment
  RSA534604  Bromus japonicus Bruce Bartholomew 1989-7-14 4922 Modoc Along Rush Creek between Lower and Upper Rush Creek Campgrounds 1520 Comment
  UC1024902  Bromus madritensis subsp. rubens Leo Whitney 1935-5-21 3113 Modoc 15 mi nw of Canby (Modoc National Forest, Hackamore, Lake Joaquina); Modoc National Forest, Hackamore, Lake Joaquina 1463 Comment
  SEINET5720387 Image available Bromus mollis Annie M. Alexander, Louise Kellogg 1946-1 4792 Modoc Silver Creek roads.; Patterson Mill 1829 Comment
  JEPS69220  Bromus tectorum L. S. Smith 1917-7-24 145 Modoc Warner Mountains, Joseph Creek Joseph Creek; Warner Mountains, Joseph Creek 1706 Comment
  RSA210830  Callitriche hermaphroditica J. Henrickson, C. W. Tilforth 1969-9-4 39115 Modoc N Fork of Pit River 3.4 mi. N. of Alturas where crossed by Hwy 395. 1341 Comment
  UC1099789  Callitriche hermaphroditica Herbert L. Mason 1947-8-8 13469 Modoc nw of Alturas (Big Sage Reservoir); Big Sage Reservoir Comment
  UCD123516  Callitriche palustris Herbert L. Mason; Verne Grant 1947-7-12 13428 Modoc south loop west side road, north of Likely. 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
  UC401356  Calocedrus decurrens W. P. Taylor and H. C. Bryant 1910-6-25 Modoc Parker Cr. Warner Mountains, Parker Cr. 1676 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
  CHSC30640  Calochortus leichtlinii N. E. H. Prouty 1980-7-1 190 Modoc Bear Flat T. S. Modoc Nat. Forest, Warner Mt. District. 1889 Comment
  HSC81152  Calochortus leichtlinii G. M. Riegel 1979-7-15 527 Modoc S Warner Mtns. 1739 Comment
  RSA520456  Calochortus leichtlinii K. Paulson, R. Paulson 1989-7-12 177 Modoc Ca. 2 miles north of Mill Creek Falls, west side of Warner Mountains 1921 Comment
  UC1134493  Calochortus macrocarpus R. C. Wilson 1933-7-18 68 Modoc s slope Barber Ridge; Modoc National Forest, Canby Quad. 1463 Comment
  UC725405  Calochortus macrocarpus A. A. Heller 1940-6-29 15747 Modoc about 5 mi w Alturas (on U.S. Highway 299) Comment
  UCD139541  Calochortus macrocarpus A. J. Van Orsdel 1935-7-11 s.n. Modoc Clear Lake. Comment
  CHSC117570  Calycadenia Lowell Ahart; John Dittes 2016-7-14 21153 Modoc About 80 yards west of the Fishing Access Asign, low area along poor dirt road, more south of the fence, about 1/8 mile south of Ash Creek, Ash Creek State Wildlife Area, 1 mile (air) south of County Road 87, 1.7 miles(air) south west of Adin, Big Valley. 1276 Comment
  JEPS127295  Calycadenia Lowell Ahart, John Dittes 2016-7-14 21153 Modoc About 1/8 mile south of Ash Creek, Ash Creek State Wildlife Area, 1 mile (air) south of County Road 87, 1.73 miles (air) southwest of Adin Big Valley. Comment
  CAS-BOT-BC197576  Calyptridium umbellatum Elmer Ivan Applegate 1932-7-9 7597 Modoc N side of Bidwell Mountain, Warner Mts. Comment
  JEPS52529  Calyptridium umbellatum Milo S. Baker 1893-6 Modoc Egg Lake 1371 Comment
  SEINET195686  Calyptridium umbellatum Annie M. Alexander, L Kellogg 1946-7-17 5002 Modoc Benton Meadow Warner Mts 2073 Comment
  UC912344  Calystegia occidentalis subsp. occidentalis F. H. Frost 1924-7-24 123 Modoc Jess Valley , Jess Valley (Warner Mts.) Comment
  UC1037228  Camassia quamash subsp. breviflora Leo Whitney 1934-5-13 1742 Modoc ene of Clear Lake (Weed Valley in northern part of county); Weed Valley 1524 Comment
  RSA59515  Camassia quamash subsp. breviflora E. K. Balls 1950-5-13 14660 Modoc 5 miles north of Bucks Creek, Highway 395, east of Goose Lake 1677 Comment
  CAS-BOT-BC191122  Camissonia andina Alice Eastwood; John Thomas Howell 1940-6-15 8291 Modoc 9 mi. N of Lookout. Comment
  CAS-BOT-BC191125  Camissonia andina Bruce Bartholomew; Barrett Anderson 1989-6-3 4849 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-BC191131  Camissonia andina M. M. Hanna 1956-6-4 951 Modoc Turn off Alturas to Cedarville. Comment
  CAS-BOT-BC191137  Camissonia andina Bruce Bartholomew 1990-6-18 5386 Modoc Turner Creek at County Rd 90, N end of Big Valley, 6.4 km N of Lassen County border. 1230 Comment
  RSA520377  Camissonia andina Bruce Bartholomew, B. Anderson 1989-6-1 4740 Modoc Ca. 0.5 km S of State Hwy 299 on road to Shaker Spring. 1420 Comment
  JEPS31704  Camissonia contorta L. S. Smith 1918-7-20 1197 Modoc Round Valley Comment
  HSC80894  Camissonia subacaulis G. M. Riegel 1980-7-22 918 Modoc S Warner Mtns. 2100 Comment
  CAS-BOT-BC191097  Camissonia subacaulis Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-14 16481 Modoc Along Lassen Creek, on road to Davis Creek. Comment
  CAS-BOT-BC191084  Camissonia tanacetifolia subsp. tanacetifolia Bruce Bartholomew; Barrett Anderson 1988-5-13 4176 Modoc W side of Jess Valley on West Warner Road, W side of the Warner Mts.. 1600 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-BC191091  Camissonia tanacetifolia subsp. tanacetifolia Herbert Louis Mason 1947-8-13 13523 Modoc N side of F Reservoir, N of Canby. Comment
  RSA186495  Camissonia tanacetifolia subsp. tanacetifolia Peter H. Raven 1962-5-29 17893 Modoc 13 miles northwest of Canby Comment
  NY119876  Cardamine breweri B. M. Bartholomew 1988-6-24 4326 Modoc Lily Lake, W side of the Warner Mtns. 2130 Comment
  RSA592545  Cardamine breweri S. O. Mattoon 1978-7-9 21 Modoc Patterson Meadows Guard Station; southern Warner Mountains; Modoc North Fork. 2195 Comment
  CAS-BOT-BC58426  Cardamine breweri var. breweri Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10527 Modoc Patterson Ranger Station (East Creek drainage), Warner Mts. 2164 Comment
  CAS-BOT-BC58428  Cardamine breweri var. breweri Alice Eastwood; John Thomas Howell 1940-6-13 8166 Modoc Cedarville. Comment
  CAS-BOT-BC242331  Carex abrupta Bruce Bartholomew; Barrett Anderson 1988-7-23 4575 Modoc Dismal Swamp, Warner Mts.. 2180 Comment
  HSC87845  Carex amplifolia Gladys L. Smith, Geri Hulse-Stephens 1981-7-23 7034 Modoc Twayblade Bog; on curve of FS 20N04, about 8 km. below Mt. Sanhedrin Lookout 1463 Comment
  HSC48335  Carex aquatilis D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-22 19334 Modoc Soup Springs Campground Comment
  CHSC117018  Carex athrostachya Lowell Ahart 2016-6-6 20964 Modoc About 100 yards east of the Parking Area, about one miles south of the intersection of County Road 87 and Access Road to Pilot Butte Parking Area, 3.8 miles (air) east of Lookout, 7.5 miles (air) west of Adin, Ash Creek State Wildlife Area. 1271 Comment
  JEPS124307  Carex douglasii Lowell Ahart, John Dittes 2015-7-15 20338 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
  JEPS127210  Carex douglasii Lowell Ahart, John Dittes 2016-6-6 20971 Modoc About 10 yards west of the intersection of County Road 87 and Access Road to Pilot Butte Parking Area, northeast base of Pilot Butte, 3.8 miles (air) east of Lookout, 7.5 miles (air) west of Adin, Ash Creek State Wildlife Area. Comment
  CHSC77243  Carex feta G. Schoolcraft 1996-7-23 2544 Modoc E. of Yankee Jim Ranch about 12 miles se of Alturas. 1645 Comment
  HSC48188  Carex hoodii D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19423 Modoc Near Hager Reservoir Comment
  HSC75582  Carex hoodii G. M. Riegel 1979-7-5 489 Modoc S Warner Mtns. 1670 Comment
  SD46734  Carex illota Robert J. Weatherby 1955-7-7 1603 Modoc Warner Mountains; Dismal Swamp; common in boggy meadow with Populus tremuloides; Red Fir Forest. 2240 Comment
  JEPS101119  Carex lenticularis var. impressa Dean W. Taylor 1989-8-5 10470 Modoc North Emerson Lake; Warner Mountains; Warner Mountains, North Emerson Lake margin Comment
  JEPS109542  Carex luzulina Dean Wm. Taylor with Glenn L. Clifton 1989-8-5 10459 Modoc Warner Mountains, northeast face Eagle Peak 2880 Comment
  JEPS109546  Carex luzulina var. ablata Dean W. Taylor 1987-6-27 9117 Modoc Warner Mountains, headwaters upper South Deep Creek 2194 Comment
  CAS-BOT-BC31619  Carex luzulina var. luzulina Annie M. Alexander; Louise Kellogg 1946-7-19 5032 Modoc Benton Meadow, Warner Mts. 2072 Comment
  CHSC30637  Carex microptera NEH Prouty 1980-7-1 192 Modoc Modoc Nat. Forest. Along drainage running south from Bear Flat Pond into Soup Creek. 1798 Comment
  SEINET7568476 Image available Carex multicaulis B. Bartholomew 1992-5-17 6345 Modoc SW side of White Horse Mountains, SW of White Horse Flat Reservoir. 1460 Comment
  CHSC106173  Carex nebrascensis Lowell Ahart; John Dittes 2010-8-30 17086 Modoc About 400 yards west the bridge across Ash Creek, Elkins Lane, Ash Creek State Wildlife Area, 4215 feet north of Lassen County Line, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1277 Comment
  UC1024314  Carex nebrascensis Annie M. Alexander and Louise Kellogg 1946-6-12 4731 Modoc Fort Bidwell 1444 Comment
  UC70018  Carex nebrascensis Mrs. M. H. Manning 1903-5 439 Modoc north-eastern Modoc County Comment
  UC1100494  Carex nebrascensis Herbert L. Mason, Verne Grant 1947-8-8 13457 Modoc n Big Sage Reservoir (nw of Alturas); Ingalls Swamp Comment
  UC1537622  Carex nebrascensis Gordon H. True Jr. 1939-6-13 997 Modoc near Likely; Pit River Comment
  CHSC108011  Carex pellita Lowell Ahart; John Dittes 2011-6-21 17533 Modoc Just west of the levee, on the east side of Elkins Lane, about 50 yards north of the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  CHSC110984  Carex pellita Lowell Ahart 2012-7-12 18368 Modoc North edge of Ash Creek, south of the gravel pit, about 1/8 mile east of the parking area on the east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Biebder, Big Valley. 1266 Comment
  UC1100474  Carex praegracilis Herbert L. Mason, Verne Grant 1947-8-13 13535 Modoc n Canby (ne side of F Reservoir) Comment
  HSC48003  Carex rossii D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19487 Modoc Big Valley Summit, 6 mi. W of Adin on Hwy. 299 Comment
  JEPS109538  Carex scopulorum var. bracteosa Dean Wm. Taylor with Glenn L. Clifton 1989-8-5 10458 Modoc Warner Mountains, northeast face Eagle Peak 2880 Comment
  UC1537638  Carex simulata Gordon H. True Jr. 1939-6-28 991 Modoc se Alturas (Weber Ranch); South Fork of Pit River Comment
  CAS-BOT-BC245145  Carex subfusca Barrett Anderson 1986-7-9 3184 Modoc Stough Reservoir Rd just E of Cedar Pass near Stough Reservoir. 1965 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
  JEPS63663  Carex utriculata W. L. Jepson 1918-8-12 7952 Modoc Jess Valley 1584 Comment
  RSA577570  Carex utriculata L. C. Wheeler 1935-8-16 3872 Modoc Dismal Swamp, Twenty Mile Creek. Warner Mountains. Mt. Diablo Mer 2226 Comment
  UC190414  Carex vesicaria M. S. Baker and Frank Nutting 1894-6-13 Modoc near Egg Lake 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-BC226002  Castilleja applegatei subsp. pinetorum Bruce Bartholomew; Barrett Anderson 1988-5-13 4172 Modoc Ca. 1 km SE of Parker Creek Road on West Warner Road, W side of the Warner Mts.. 1710 Comment
  JEPS86368  Castilleja applegatei subsp. pinetorum Jack and Betty Guggolz 1988-6-27 952 Modoc ne of Jenkins Springs Comment
  RSA150189  Castilleja applegatei subsp. pinetorum A. J. Cronquist, A. H. Holmgren 1959-6-20 8517 Modoc Benchland west of the Warner Mts. in sagebrush-juniper-Agropyron country 11 miles northeast of Alturas. 1555 Comment
  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
  RSA60360  Castilleja applegatei subsp. pinetorum E. K. Balls 1950-5-10 15967 Modoc 0.5 mi. east of fork of Hwy 395 and Alturas Road. 1585 Comment
  SEINET13732756  Castilleja applegatei subsp. pinetorum M. J. Williams 1983-7-29 83- 116 -9 Modoc Warner Mountains, N of Cedar Pass, 1.1 miles N of Stough Reservoir Campground. 2088 Comment
  UC726976  Castilleja applegatei subsp. pinetorum A. A. Heller 1941-6-26 16227 Modoc Adin Pass 1577 Comment
  UC986481  Castilleja applegatei subsp. pinetorum Annie M. Alexander and Louise Kellogg 1946-6-18 4797 Modoc Patterson Mill--Silver Creek roads 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-BC226005  Castilleja arachnoidea Clare Butterworth Hardham 1961-6-18 7811 Modoc Hills above Cedar Pass. 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-BC226012  Castilleja arachnoidea Bruce Bartholomew 1995-8-1 7162 Modoc Bidwell Mtn., E side of the Warner Mountains. 2150 Comment
  CAS-BOT-BC226013  Castilleja arachnoidea E. S. Willits 1940-5-20 284 Modoc Canby 1371 Comment
  JEPS4831  Castilleja arachnoidea Mrs. M. H. Manning 1903-1 361 Modoc near Fort Bidwell (ne Modoc County) Comment
  JEPS4549  Castilleja campestris subsp. campestris Milo S. Baker 1893-7-24 Modoc Egg Lake Comment
  CAS-BOT-BC226019  Castilleja chromosa K. Paulson; Robert Paulson 1988-5-24 17 Modoc Granger Canyon, Warner Mts.. 1493 Comment
  CHSC117366  Castilleja lacera Lowell Ahart; John Dittes 2016-7-14 21180 Modoc West side of a new pond, south of Ash Creek Canal (now filled in), south of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. 1273 Comment
  JEPS79117  Castilleja lacera L. R. Heckard with R. Bacigalupi 1980-6-10 5219 Modoc sw margin of Egg Lake (now dry) Egg Lake Comment
  UC1063397  Castilleja lacera R. C. Wilson 1933-6-21 86 Modoc Stone Coal Valley Creek; Modoc National Forest, Canby Quad. 1402 Comment
  POM7726  Castilleja linariifolia M. S. Baker 1898-08 528 Modoc Big Valley, near Johnsons. [County not specified.] Comment
Read comments Jan 30 2016
  UC199383  Castilleja linariifolia Milo S. Baker 1898-8-1 528 Modoc near Johnson's; Big Valley Comment
  UC725308  Castilleja linariifolia A. A. Heller 1940-6-29 15746 Modoc about 5 mi w Alturas (on U.S. Hwy 299) Comment
  RSA82265  Castilleja miniata F. W. Peirson 1926-6-25 6887 Modoc Small side canyon 1 mile east of summit of Warner Mountains on Cedarville Road. Comment
  UC444859  Castilleja miniata Mrs. Austin Jun 1894 302 Modoc Willow Creek Comment
Read comments Jul 6 2010
  JEPS27956  Castilleja miniata Frances D. Payne 1931-7-4 316 Modoc Parker Creek, w slope of the Warner Range Parker Creek; Warner Range 1584 Comment
  CAS-BOT-BC226050  Castilleja pilosa Bruce Bartholomew; Barrett Anderson 1989-6-2 4786 Modoc Long Canyon, 12 km NE of Fort Bidwell on the road to the Oregon border. 1550 Comment
  CAS-BOT-BC226052  Castilleja pilosa Bruce Bartholomew 1991-6-20 5775 Modoc Junction of county roads 87 and 90. 1220 Comment
  CAS-BOT-BC226055  Castilleja pilosa Roxana Stinchfield Ferris; L. Lorraine 1941-8-14 10596 Modoc 3 mi. from Patterson Ranger Station on road to Eagleville, Warner Mountains Comment
  CAS-BOT-BC226060  Castilleja pilosa Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-13 16470 Modoc Roadside 2.4 mi. S of Davis Creek, SE side of Goose Lake. Comment
  CAS-BOT-BC226062  Castilleja pilosa Bruce Bartholomew 1993-6-14 6661 Modoc 8.7 km E of County Road 114 on County Road 108, NW of Clear Lake Reservoir. 1450 Comment
  CAS-BOT-BC226063  Castilleja pilosa Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-13 6537 Modoc Just W of Mud Lake on road to West Valley Reservoir. 1460 Comment
  CAS-BOT-BC226065  Castilleja pilosa John H. Hatton 1911-6-20 125 Modoc Vicinity of Bolles meadows. 1524 Comment
  JEPS17638  Castilleja pilosa Rimo Bacigalupi with G. Thomas Robbins 1955-7-20 5393 Modoc 3.3 mi e Patterson Ranger Station (flat at summit of forest road across s end of Warner Mountains); Warner Mountains, Modoc National Forest 2225 Comment
  UC651917  Castilleja pilosa Hugh and Margaret Dearing 1939-6-9 3627 Modoc near Squaw Peak; Warner Mountains Comment
  JEPS77521  Castilleja pilosa L. R. Heckard with T. I. Chuang and R. C. Bacigalupi 1978-7-19 4891 Modoc about 3 mi sw Patterson Ranger Station (just n of Lassen County line); Warner Mts. 2011 Comment
  CAS-BOT-BC226069  Castilleja tenuis Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10555 Modoc Patterson Ranger Station (East Creek drainage), Modoc National Forest, Warner Mountains. 2164 Comment
  CAS-BOT-BC226071  Castilleja tenuis Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-15 16509 Modoc 13 mi. W of Canby along Calif. St. Hwy 139. Comment
  CAS-BOT-BC226080  Castilleja tenuis Clare Butterworth Hardham 1974-8-4 20181 Modoc Headwaters of Dismal and 12 Mile creeks, Warner Mountains 2133 Comment
  CAS-BOT-BC226082  Castilleja tenuis Bruce Bartholomew; Barrett Anderson 1989-6-3 4907 Modoc ca. 6 km NW of Egg Lake and ca. 0.8 km E of Service Flat Gulch. 1370 Comment
  CAS-BOT-BC226083  Castilleja tenuis Bruce Bartholomew; Barrett Anderson 1989-6-1 4762 Modoc S end of Goose Lake. 1460 Comment
  CHSC117495  Castilleja tenuis Lowell Ahart; John Dittes 2016-7-14 21181 Modoc West side of a new pond, south of Ash Creek Canal (now filled in), south of Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. 1273 Comment
  HSC75904  Castilleja tenuis D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19434 Modoc Near Hager Reservoir Comment
  SJSU9688  Castilleja tenuis W. Savage 1979-7-24 Modoc Long Meadow Unit, Devils Garden District, Modoc National Forest 1615 Comment
  UC1281475  Ceanothus X flexilis H. E. McMinn 1941-8-27 5396 Modoc 0.5 mi from junction of highways 89 and 299 on way to Alturas; on way to Alturas Comment
Read comments Jun 3 2009
  UC1281476  Ceanothus X flexilis H. E. McMinn 1941-8-27 5405 Modoc Egg lake 12-13 mi from Lookout, Egg Lake; Egg Lake 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-BC217139  Ceanothus cuneatus var. cuneatus Bruce Bartholomew; Mona Bourell 1990-4-26 5156 Modoc 0.5 km S of Day. 1100 Comment
  CAS-BOT-BC217142  Ceanothus integerrimus Leland S. Smith 1920-8-22 13 Modoc White Horse. 1341 Comment
  CAS-BOT-BC217145  Ceanothus prostratus Milo Samuel Baker 1893-1-1 s.n. Modoc Forest Dale Comment
  JEPS86139  Ceanothus prostratus Wayne Roderick 1966-6-24 Modoc summit Fandango Pass Comment
  UC1035976  Ceanothus velutinus Helen K. Sharsmith 1955-6-25 4505 Modoc on trail to Mill Creek Falls and Clear Lake (Warner Mountains); Modoc National Forest, Warner Mountains 1752 Comment
  CHSC106187  Centaurea cyanus Lowell Ahart; John Dittes 2010-8-31 17100 Modoc On the west side of Elkins Lane, about 100 yards north of the bridge across Ash Creek, Ash Creek State Wildlife Area, 4215 feet north of Lassen County Line, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  HSC65384  Centaurea cyanus Thomas Wood 1979-8-8 216 Modoc 1 mi. S of Ft. Bidwell, along Hwy. 1, corner house where road turns W 1372 Comment
  UC2043249  Centaurea cyanus Barbara Ertter 1995-7-1 14460 Modoc Highway 395 south of New Pine Creek on Oregon border, at junction of County Road 44. Comment
  CDA10641  Centaurea diffusa G. Deal 1995-7-27 Modoc 0 Comment
  JEPS117502  Centaurium exaltatum Lowell Ahart, John Dittes 2010-8-31 17125 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
  RSA0118782  Centromadia pungens subsp. pungens Lowell A. Ahart, John Dittes 2013-7-25 18957 Modoc Along the north-south fence, south edge of Ash Creek Floodplain, northwest of Patterson Homestead, east of Elkins Lane, 1.0 mile (air) south of County Road 87, 3.14 miles (air) west of Adin, Big Valley. 1268 Comment
  UC1101323  Ceratophyllum demersum Verne Grant and Irving Schneider 1947-7-20 8097 Modoc North Fork of Pit River by Dorris Bridge (Alturas); North Fork of Pit River Comment
  CAS-BOT-BC181985  Cercis occidentalis Bruce Bartholomew; Barrett Anderson 1988-6-23 4228 Modoc 2.1 km SSE of Day on the road to State Highway 299. 1020 Comment
  CHSC100419  Cercocarpus betuloides var. macrourus Lowell Ahart; John Dittes 2008-8-26 15357 Modoc Southeast side of Rose Creek, 750 feet southwest of confluence of Rose Creek and Pit River, on the southeast side of unnamed road, 2660 feet east of intersection with County Road 85a, 0.3 miles (air) north-northeast of Lookout. 1276 Comment
  UC114145  Cercocarpus betuloides var. macrourus Milo S. Baker 1893-6 Modoc Modoc Co. Comment
  RSA104148  Cercocarpus ledifolius Milo S. Baker 1893-1 s.n. Modoc [Unspecified] 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
  NY848757  Cercocarpus ledifolius var. intermontanus R. M. Austin 08 1894 s.n. Modoc Lassen Creek Comment
  NY848759  Cercocarpus ledifolius var. intermontanus L. S. Rose 1940-6-13 40553 Modoc Fandango Pass 1905 Comment
  UC585213  Cercocarpus ledifolius var. ledifolius E. B. Babcock, G. L. Stebbins Jr. 1936-6-9 1821 Modoc about 3 mi w of Cedarville (in the Warner Mountains, Cedar Creek Canyon); Warner Mountains, Cedar Creek Canyon 152 Comment
  CAS-BOT-BC15071  Chaenactis douglasii var. douglasii Bruce Bartholomew; Barrett Anderson 1988-6-25 4377 Modoc SW side of Jess Valley, Warner Mts.. 1540 Comment
  JEPS34154  Chaenactis douglasii var. douglasii L. S. Smith 1918-7-7 977 Modoc Jess Valley Warner Mts. (sw slope of Warner Mts.) 1524 Comment
  SJSU11737  Chaenactis douglasii var. douglasii J. W. Tilden 1958-6-25 1268 Modoc near Monument Headquarters, Lava Beds National Monument Comment
Read comments Aug 15 2012
  CAS-BOT-BC141743  Chamaebatiaria millefolium L. S. Smith 1918-8-7 1012 Modoc Black Knob, Camp One T38-16 2438 Comment
  CAS-BOT-BC245424  Chamaesaracha nana C. L. Hitchcock 1940-5-27 6700 Modoc 15 mi. NE of Alturas. 1615 Comment
  UC71712  Chamaesaracha nana Mrs. M. H. Manning 1903-8-27 334 Modoc near Fort Bidwell (ne Modoc County) 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
  CDA35279  Chamaesyce serpyllifolia Louis C. Wheeler 1963-8-24 s.n. Modoc Warner Mountains; Sworinger Reservoir. Comment
  CHSC13905  Chamerion angustifolium subsp. circumvagum J. Grove 1973-7-19 104 Modoc Collected 3 mi. SE of Day. Ca. on Willow Valley Rd. 1005 Comment
  CAS-BOT-BC95513  Chenopodium album John H. Hatton 1911-6-22 148 Modoc Modoc County. 1615 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
  UC1191344  Chenopodium glaucum Herbert L. Mason 1947-8-12 13507 Modoc junction of North and South Forks of Pit River Alturas Comment
  CAS-BOT-BC15032  Chrysothamnus humilis Bruce Bartholomew 1989-8-13 5142 Modoc Top of Manzanita Mountain. 2090 Comment
  CAS-BOT-BC15049  Chrysothamnus nauseosus subsp. albicaulis E. S. Willits 1939-10-10 160 Modoc Surprise Valley. 1371 Comment
  CAS-BOT-BC14993  Chrysothamnus viscidiflorus subsp. viscidiflorus Isabelo T. Kelly 1930-1-1 57 Modoc unspecified Comment
  CAS-BOT-BC14994  Chrysothamnus viscidiflorus subsp. viscidiflorus John Thomas Howell 1934-6-30 12260 Modoc Duncan Horse Camp. 1355 Comment
  RSA67198  Chrysothamnus viscidiflorus subsp. viscidiflorus P. A. Munz 1951-9-14 16979 Modoc Jess Valley, S Warner Mts. 1631 Comment
  RSA795595  Chrysothamnus viscidiflorus subsp. viscidiflorus L. 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 air miles west of Adin, about 8.0 air miles northeast of Bieber, Big Valley. 1268 Comment
  JEPS117477  Cichorium intybus Lowell Ahart, John Dittes 2010-8-30 17101 Modoc On east side of Elkins Lane, about 10 yards south of the bridge across Ash Creek, 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
  JEPS89935  Cicuta maculata Dean Wm. Taylor with Glenn L. Clifton 1989-8-6 10498 Modoc West shore Lower Lake (Surprise Valley). 1363 Comment
  CAS-BOT-BC191006  Circaea alpina subsp. pacifica Bruce Bartholomew 1994-7-2 6785 Modoc 5.0 km SE of Joseph Creek Basin on the W side of the Warner Mountains. 1930 Comment
  NY850376  Circaea alpina subsp. pacifica K. Paulson 1988-7-11 76 Modoc Cedar Pass Campground. 1676 Comment
  HSC65610  Circaea alpina subsp. pacifica Thomas Wood 1979-8-10 246 Modoc 1.1 mi. E of Modoc National Forest boundary on Mill Creek Basin Rd. 1549 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
  CDA34394  Cirsium arvense Anonymous 1987-6-17 Modoc Jones Rd. off US 395, north of Likely. 0 Comment
  UCD130540  Cirsium arvense T. C. Fuller 1959-7-8 2746 Modoc 1.5 miles south of Tulelake. Comment
  CAS-BOT-BC14933  Cirsium occidentale var. candidissimum John Thomas Howell 1934-6-13 12084 Modoc Surprise Valley near Fort Bidwell. Comment
  SEINET3146369  Cirsium occidentale var. candidissimum M. S. Baker sn Modoc Egg Lk. Comment
  UC748160  Cirsium occidentale var. candidissimum Annie M. Alexander and Louise Kellogg 1946-6-18 4803 Modoc Patterson Mill - Silver Creek roads Comment
  CAS-BOT-BC14934  Cirsium occidentale var. candidissimum Isabelo T. Kelly 1930-1-1 39 Modoc E slope of Warner Range. Comment
  JEPS59228  Cirsium occidentale var. candidissimum W. L. Jepson 1918-8-6 7840 Modoc below Fandango Pass (800 ft on e slope); Surprise Valley 1615 Comment
  UC30791  Cirsium occidentale var. candidissimum Mrs. R. M. Austin 1884-1-1 Modoc hills near Davis Creek Comment
  UCR57503  Cirsium pastoris R. D. Goeden, Don W. Ricker 1989-8-22 890822- 11 Modoc East of Likely on Jess Valley Rd. 1415 Comment
  CAS-BOT-BC191066  Clarkia gracilis subsp. gracilis Bruce Bartholomew; Barrett Anderson 1988-6-23 4290 Modoc S side of Egg Lake, ca. 1.5 km W of the Burlington Northern railroad track. 1300 Comment
  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
  RSA164356  Clarkia gracilis subsp. gracilis Clare B. Hardham 1961-6-19 7818 Modoc Warner Mountains, Davis Creek 1524 Comment
  UC930761  Clarkia gracilis subsp. gracilis C. L. Hitchcock 1940-5-28 6729 Modoc 15 mi n Alturas (near Surprise) 1402 Comment
  RSA520376  Clarkia gracilis subsp. gracilis Bruce Bartholomew, B. Anderson 1989-6-1 4739 Modoc Ca. 0.5 km S of State Hwy 299 on road to Shaker Spring. 1420 Comment
  CAS-BOT-BC191056  Clarkia lassenensis P. Monnet 1913-7-7 936 Modoc Warner's Range. Comment
  RSA134427  Clarkia lassenensis Peter H. Raven, Otto T. Solbrig 1958-6-18 13314 Modoc Cottonwood Flat Camp Ground, Modoc National Forest Comment
  RSA41240  Clarkia rhomboidea A. M. Alexander, Louise Kellogg 1946-6-28 4863 Modoc Pine Creek Canyon, north end of Warner Mountains 1616 Comment
  UC1422888  Clarkia rhomboidea Peter H. Raven and Otto T. Solbrig 1958-6-18 13309 Modoc Cottonwood Flat Camp Ground Modoc National Forest Comment
  UC65056  Claytonia lanceolata Milo S. Baker 1890-5-15 79 Modoc Forestdale Comment
  SEINET195687  Claytonia megarhiza Annie M. Alexander, L Kellogg 1946-7-30 5097 Modoc Eagle Peak Warner Mts. Comment
  JEPS43325  Claytonia parviflora subsp. parviflora Mary H. Manning before Aug. 1918 Modoc Comment
  CAS-BOT-BC197428  Claytonia perfoliata subsp. intermontana E. H. Steffen 1917-5-26 15 Modoc West Valley Camp. 1554 Comment
  UC725913  Cleome platycarpa A. A. Heller 1941-6-26 16211 Modoc 8 mi w Alturas (along U.S. Highway 299) Comment
  CAS-BOT-BC226089  Collinsia parviflora Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10556 A Modoc Patterson Ranger Station (East Creek drainage), Modoc National Forest, Warner Mountains 2164 Comment
  JEPS79120  Collinsia parviflora L. R. Heckard with R. Bacigalupi 1980-6-10 5222 Modoc sw margin, now dry Egg Lake Comment
  SBBG27381  Collinsia parviflora C. L. Hitchcock 1940-5-27 6687 Modoc 15 mi NE of Alturas 1615 Comment
  JEPS6207  Collinsia parviflora J. T. Howell 1934-6-14 12135 Modoc Lost Lake; Warner Mtns Comment
  POM42853  Collinsia parviflora R. M. Austin 1895-07 438 Modoc Goose Lake. Comment
  JEPS17622  Collinsia torreyi var. wrightii Rimo Bacigalupi with G. T. Robbins 1955-7-19 5378 Modoc just above and e Soap Springs Meadow (along rd to Mill Creek Ranger Station, s Warner Mtns); Modoc National Forest, Warner Mtns 2118 Comment
  HSC80886  Collomia grandiflora G. M. Riegel 1980-7-14 Modoc S Warner Mtns. 1670 Comment
  CDA39999  Collomia grandiflora T. C. Fuller 1958-7-8 2034 Modoc 4 miles south of Pine Creek. 0 Comment
  RSA59575  Collomia linearis Verne Grant, Alva Grant 1950-7-14 8949 Modoc near base of Cedar Mt. ridge, Warner Mts. 1982 Comment
  UCR186867  Collomia tenella Glenn L. Clifton 2007-7-16 46426 Modoc Warner Mtns, South Fork Pine Creek 2172 Comment
Read comments Jan 18 2008
  CAS-BOT-BC190708  Collomia tinctoria John Thomas Howell 1934-7-1 12315 Modoc Duncan Horse Camp. 1355 Comment
  CAS-BOT-BC190714  Collomia tinctoria Bruce Bartholomew 1995-6-1 6922 Modoc 1.3 km E of Day between Day and Lookout on County Road 94. 1200 Comment
  CAS-BOT-BC190718  Collomia tinctoria Betty J. Hammerly 1941-6-20 41 Modoc Clear Lake public camp. 1767 Comment
  UC748266  Collomia tinctoria Annie M. Alexander and Louise Kellogg 1946-6-28 4864 Modoc Pine Creek Canyon Warner Mts. (n end of mountains) Comment
  RSA795596  Conium maculatum L. Ahart, John Dittes 2010-8-30 17066 Modoc On the sides of a small wash, about 10 yards east of the fence, south edge of the meadow, Ash Creek State Wildlife Area, 2300 feet north of Lassen County Line, about 3.6 air miles west of Adin., About 8.0 air miles northeast of Bieber, Big Valley. 1268 Comment
  HSC6958  Conringia orientalis M. T. Milligan 1964-6-20 64 Modoc 3 mi. N on Pencil Rd. from Hwy. 395 1372 Comment
  CAS-BOT-BC242183  Corallorhiza maculata Bruce Bartholomew; Barrett Anderson 1988-7-21 4607 Modoc Field redacted by CAS, contact the data manager for more information 1580 Comment
  CAS-BOT-BC242185  Corallorhiza maculata K. Paulson; Robert Paulson 1989-7-2 162 Modoc Field redacted by CAS, contact the data manager for more information 1621 Comment
  JEPS62803  Cordylanthus capitatus Wayne Roderick 1970-8-23 Modoc about 3 mi n summit of Cedar Pass (nw of Cedarville) Comment
  SJSU9372  Cordylanthus ramosus W. Savage 1979-7-3 1273 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  CAS-BOT-BC95597  Cornus sericea Bruce Bartholomew 1994-7-1 6768 Modoc Turner Creek adjacent to Forest Service road 42N21. 1470 Comment
  HSC100158  Cornus sericea J. P. Smith, & J. O. Sawyer 2011-8-14 13373 Modoc Along Jesse Valley Road, just E of the bridge over the Pit River. 1372 Comment
  UC634830  Cornus sericea subsp. sericea F. H. Frost 1925-7-20 23 Modoc Warner Mts., Cedar Canyon Camp Comment
  RSA252457  Cornus stolonifera R. F. Thorne, C. W. Tilforth, K. Thorne 1969-9-5 39177 Modoc South Fork of Pit River at bridge, 3.8 miles E. of Likely. 1387 Comment
  POM91896  Crataegus douglasii R. M. Austin 1895-07 427 Modoc Davis Creek Comment
  JEPS36447  Crepis acuminata Frances D. Payne 1931-6-11 150 Modoc Parker Creek Warner Mts. (n slope) 1584 Comment
  JEPS36463  Crepis acuminata L. S. Smith 1918-8-17 1037 Modoc Bear Mt. Ridge Modoc <National> Forest 2438 Comment
  RSA163735  Crepis acuminata Clare B. Hardham 1961-6-18 7801 Modoc Lava Flows along north fork Pitt River 3.3 miles south of Cedar Pass Road 1372 Comment
  RSA164315  Crepis acuminata Clare B. Hardham 1961-6-18 7562 Modoc Hills 3 miles south of Cedar Pass 1829 Comment
  SJSU8815  Crepis acuminata J. W. Tilden 1958-6-25 1261 Modoc near Monument Headquarters, Lava Beds National Monument Comment
  CHSC54173  Crepis bakeri Vernon H. Oswald 1991-5-28 4632 Modoc North side of parking area on the southeast side of Pilot Butte, Ash Creek Wildlife Area, ca. 5.5 miles north-northeast of Bieber. 1264 Comment
  CHSC118086  Crepis bakeri subsp. bakeri L. P. Janeway 2016-5-16 12003 Modoc Modoc Plateau. Devils Garden area; along Road 46N02 3.4 road-km south-southeast of Road 47N09/73/181; about 5.2 air-km north of Crowder Mtn Reservoir. 1570 Comment
  CAS-BOT-BC14892  Crepis intermedia Isabelo T. Kelly 1930-1-1 53 Modoc unspecified Comment
  JEPS36446  Crepis intermedia Frances D. Payne 1931-6-11 150 a Modoc Parker Creek Warner Mts. 1584 Comment
  UC581221  Crepis intermedia G. L. Stebbins Jr. and J. A. Jenkins 1937-7-15 2376 Modoc Shaeffer Mountain; s side 1670 Comment
  RSA163736  Crepis modocensis subsp. modocensis Clare B. Hardham 1961-6-18 7583 Modoc Mts S of summit of Cedar Pass. Comment
  RSA504635  Crepis modocensis subsp. modocensis Bruce Bartholomew, B. Anderson 1988-6-24 4311 Modoc Road beyond Poison Lake, ca. 8 km S of the road from Hwy 395 to Lily Lake, Warner Mountains. 2130 Comment
  CAS-BOT-BC14878  Crepis modocensis subsp. subacaulis Elmer Ivan Applegate 1932-7-9 7604 Modoc Summit of Bidwell Mountain, Warner Mountains Comment
  JEPS6011  Crepis occidentalis Frances D. Payne 1932-6-26 611 Modoc high ridges n Parker Creek (s and e of Alturas); Warner Mountains 1828 Comment
  UC71594  Crepis occidentalis Mrs. M. H. Manning May, 1903 139 Modoc near Fort Bidwell (ne Modoc Co.) Comment
  CDA10001  Crepis occidentalis Mike Brooks 2008-6-3 PDR# 1291669 Modoc Alturas, Carlos St. 0 Comment
  UC485360  Crepis occidentalis M. F. Gilman 625 Modoc canyons 1676 Comment
  UCD150425  Crepis occidentalis Harry A. George 1966-6-3 s.n. Modoc Alturas Airport. Comment
  UC1036003  Crepis occidentalis subsp. pumila Helen K. Sharsmith 1955-6-22 4485 Modoc steep slope just n Cedar Pass; Warner Mountains, Modoc National Forest 1889 Comment
  UC23221  Cressa truxillensis Mrs. R. M. Austin Aug., 1894 Modoc Davis Creek Comment
  CAS-BOT-BC14832  Crocidium multicaule Bruce Bartholomew; Barrett Anderson 1989-4-30 4710 Modoc 0.8 km S of Centerville Rd. (Co. road 54) on road to Ralston Gulch (Co. road 77). 1400 Comment
  CAS-BOT-BC14871  Crocidium multicaule R. M. Austin 1894-5-1 Modoc Goose Lake Valley. Comment
  HSC4706  Crocidium multicaule M. G. Burgoyne 1962-4-12 1001 Modoc 15 mi. W of Cedarville on Cedar Pass Hwy. 1982 Comment
  JEPS22547  Crocidium multicaule L. S. Smith 1919-3-20 1077 Modoc w of Alturas Comment
  OBI47975  Crocidium multicaule Rhonda Riggins 1989-4-28 1655 Modoc Pencil rd. 4.1 mi N of hwy 395 E of Alturas. T43N, R12E, sec 24 1402 Comment
  RSA155793  Crocidium multicaule Peter H. Raven 1962-5-29 17897 Modoc State Highway 139 at south road to Lava Beds National Monument. Comment
  RSA99018  Crocidium multicaule W. A. Weber, L. S. Rose 1953-5-22 8451 Modoc 7 miles east of Alturas on road to Cedarville. 1372 Comment
  CAS-BOT-BC218203  Croton setiger M. Vasey 1990-6-30 9036 Modoc 0.2 mi. from junction of Lava Camp Road and road to Egg Lake. 1300 Comment
  CHSC77192  Crupina vulgaris G. Schoolcraft 1993-6-17 Modoc Ne of Adin on s. side of Hunter Ridge. 1645 Comment
  JEPS117300  Crypsis alopecuroides Lowell Ahart, John Dittes 2010-8-31 17118 Modoc About 10 yards west of Elkins Lane, about 150 yards north of the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley 1274 Comment
  CHSC100375  Crypsis vaginiflora Lowell Ahart; John Dittes 2008-8-26 15353 Modoc On the bottom of Rose Creek, 550 feet southwest of confluence of Rose Creek and Pit River, on the northwest side of unnamed road,, 2860 feet east of intersection with County Road 85a, 9.3 miles (air) north-northeast of Lookout. 1276 Comment
  UC711885  Cryptantha affinis Roxana S. Ferris and Laura Lorraine 1941-8-13 10529 Modoc Patterson Ranger Station, East Creek drainage Warner Mountains, Modoc National Forest 2164 Comment
  SDSU20201  Cryptantha glomerata Ronald B. Kelley 2005-5-26 885 Modoc South-facing slope above and on the north side of CR40 (to Emerson Creek Campground), 1.5 miles southwest of CR1 jct. (0.1 miles west of cattle guard crossing). 1562 Comment
  CAS-BOT-BC54147  Cryptantha intermedia E. S. Willits 1940-5-17 260 Modoc Willow Ranch. Comment
  UC24650  Cryptantha intermedia M. S. Baker and Frank Nutting 1894-6-29 Modoc near Lookout; Big Valley Comment
  UC1278107  Cryptantha intermedia Beecher Crampton 1954-7-6 2120 Modoc 6 mi e Alturas (County Rd 56, Collis Ranch) Comment
  CAS-BOT-BC54124  Cryptantha torreyana Alice Eastwood; John Thomas Howell 1940-6-14 8214 Modoc 8 mi. NW of Canby. Comment
  UC71863  Cryptantha torreyana Mrs. M. H. Manning 1903-6-8 160 Modoc Fort Bidwell, ne Modoc County Fort Bidwell Comment
  NY16597  Cupressus bakeri G. Schoolcraft 1981-9-1 573 Modoc West of Day 1066.8 Comment
  UC1321448  Cupressus bakeri C. O. Stone 1964-6-20 COS 292 Modoc 200 yds e Modoc-Siskiyou County line (on logging road); Fall River Mills Quad. 1072 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
  UC1037349  Cystopteris fragilis Leo Whitney 1935-5-20 3097 Modoc ca. 15 mi nw Canby (Hackamore); Modoc Nat'l forest 1463 Comment
  UCR34736  Cystopteris fragilis J. A. Harpel 1981-8-6 V 2 Modoc Warner Mtns, South Warner Wilderness Area: E end of Patterson Lake, 7 mi NW of Eagleville 2744 Comment
  CAS-BOT-BC245208  Damasonium californicum Peter Hamilton Raven; Otto Thomas Solbrig 1958-6-18 13325 Modoc Small lake at eastern outskirts of Lookout. Comment
  CAS-BOT-BC245216  Damasonium californicum M. Vasey 1990-6-30 9025 Modoc Around NW margin of Egg Lake. 1300 Comment
  CAS-BOT-BC245218  Damasonium californicum Bruce Bartholomew; Barrett Anderson 1989-6-3 4857 Modoc Crowder Flat Road at Fletcher Creek. 1550 Comment
  CAS-BOT-BC242492  Danthonia californica S. Stutz; T. Scofield 1969-7-17 1 Modoc Vicinity of Poison Spring. 1676 Comment
  CAS-BOT-BC242495  Danthonia californica Leland S. Smith 1920-7-13 1178 Modoc Modoc National Forest - Grizzley's 1432 Comment
  UC1024925  Danthonia californica var. americana Leo Whitney 1935-6-29 3353 Modoc ca 15 mi nw Canby; Modoc National Forest, Lake Joaquina, Hackamore 1463 Comment
  UC1024675  Danthonia unispicata Leo Whitney 1934-5-18 2173 Modoc Timbered Mountain Modoc National Forest, Devil's Garden (ne portion of county) 1524 Comment
  UCR163912  Danthonia unispicata Jim Andre 1993-6-30 1404 Modoc Modoc Plateau, about 10 miles NW of Canby on Hwy 139, near NW end of Oak Ridge 1494 Comment
  CAS-BOT-BC214750  Dasiphora fruticosa Bruce Bartholomew 1990-8-4 5650 Modoc Slope NW of Linderman Lake along Owl Creek Trail, E side of Warner Mts. 2470 Comment
  CAS-BOT-BC214752  Dasiphora fruticosa Bruce Bartholomew 1991-8-5 6073 Modoc Summit Trail, NW side of Squaw Peak, W side of Warner Mts. 2480 Comment
  CAS-BOT-BC214753  Dasiphora fruticosa K. Paulson; Robert Paulson 1990-7-2 212 Modoc Dismal Swamp, Warner Mts. Comment
  JEPS12204  Datura stramonium F. H. Frost 1925-7-18 82 Modoc 2 mi s of Cedarville (Cedarville roadside) Comment
  CAS-BOT-BC49509  Deinandra lobbii Bruce Bartholomew 1990-8-3 5595 Modoc Ash Creek Wildlife Refuge, ca. 2.5 km S of County Road 87 and 7 km W of Adin. 1250 Comment
  JEPS121206  Deinandra lobbii Lowell Ahart, John Dittes 2013-7-25 18958 Modoc 30 yards N of the E-W fence, south edge of Ash Creek Floodplain, NE of Patterson Homestead, E of Elkins Lane, 1.0 air miles S of County Road 87, 3.14 air miles W of Adin, Big Valley. Comment
  NY492438  Delphinium M. Bourell 1993-8-15 5261 Modoc South Warner Wilderness area. Warner Mountains. Along trail from Patterson Lake to ca. 2 miles north toward Pepperdine Trailhead 2438.4 Comment
  RSA400094  Delphinium andersonii R. M. Austin 1894-06 s.n. Modoc Willow Creek Valley Comment
Read comments Jul 11 2010
  NY487636  Delphinium depauperatum B. M. Bartholomew 1988-6-24 4308 Modoc Road beyond Poison Lake ca. 8 km south of the road from U.S. Highway 395 to Lily Lake, Warner Mountains. Fort Bidwell 15' Quad. 2130 Comment
  CAS-BOT-BC217307  Delphinium nuttallianum Edward Kent Balls 1950-5-18 14745 Modoc Above Upper Rush Creek Public Camp, 2.5 mi. E of Hwy 299. 1828 Comment
  CAS-BOT-BC217311  Delphinium nuttallianum Bruce Bartholomew; Barrett Anderson 1988-6-24 4308 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-BC217317  Delphinium nuttallianum Bruce Bartholomew; Mona Bourell 1990-4-27 5175 Modoc NW side of Rice Flat, ca. 2 km S of Adin Pass. 1540 Comment
  UC9126  Delphinium nuttallianum Milo S. Baker 1893-6 Modoc Hillside; s face Comment
  CAS-BOT-BC217286  Delphinium stachydeum Elmer Ivan Applegate 1932-8-1 8001 Modoc S slope of Warner Mountains, Mill Creek Meadows region. 2438 Comment
  UC912535  Delphinium stachydeum F. H. Frost 1925-7-25 157 Modoc Eagle Peak Warner Mts. Comment
  CAS-BOT-BC242476  Deschampsia danthonioides Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-15 16517 Modoc 13 mi. W of Canby, along Hwy 139. Comment
  CAS-BOT-BC242478  Deschampsia danthonioides Leland S. Smith 1924-5-31 s.n. Modoc Egg Lake Ranch near S end. 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
  CAS-BOT-BC247770  Deschampsia elongata Bruce Bartholomew; Barrett Anderson 1988-7-23 4598 Modoc Pine Creek, 4 km E of U.S Highway 395 on the road to Lily Lake, Warner Mts.. 1620 Comment
  CAS-BOT-BC247772  Deschampsia elongata Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10549 Modoc Patterson Ranger Station (East Creek drainage). 2164 Comment
  CAS-BOT-BC58439  Descurainia sophia Bruce Bartholomew; Barrett Anderson 1988-6-25 4381 Modoc SW side of Jess Valley, Warner Mts.. 1540 Comment
  CAS-BOT-BC58442  Descurainia sophia E. S. Willits 1940-5-17 268 Modoc Willow Ranch. Comment
  HSC6957  Descurainia sophia M. T. Milligan 1964-6-4 19 Modoc East D St. between 4th and 5th St., Alturas 1372 Comment
  CAS-BOT-BC190764  Dicentra uniflora Bruce Bartholomew; Mona Bourell 1990-4-28 5205 Modoc Top of Hunters Ridge S of Rush Creek. 1960 Comment
  CAS-BOT-BC190766  Dicentra uniflora Bruce Bartholomew 1995-6-23 6994 Modoc 0.5 km SW of Forest Road 30 on road to Bald Mountain, crest of the Warner Mountains. 2060 Comment
  CAS-BOT-BC242119  Dichelostemma capitatum subsp. capitatum Bruce Bartholomew; Mona Bourell 1990-4-26 5148 Modoc 0.5 km S of Day. 1100 Comment
  CAS-BOT-BC242113  Dichelostemma multiflorum Bruce Bartholomew; Barrett Anderson 1988-6-23 4281 Modoc 4.0 km W of Day on County Road 94. 1340 Comment
  CAS-BOT-BC242115  Dichelostemma multiflorum Roxana Stinchfield Ferris; R. Duthie 1919-6-13 68 Modoc Near Parker Creek, 15 mi. from Alturas. 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-BC14849  Dimeresia howellii Bruce Bartholomew 1991-5-24 5731 Modoc 2.9 km NE of road between Fort Bidwell and Fee Reservoir on road to Big Mud Lake. 1680 Comment
  JEPS86330  Dimeresia howellii Jack and Betty Guggolz 1988-7-1 972 Modoc near Old Canon Mill Road Comment
  CHSC57228  Diplacus cusickii David M. Thompson 1988-7-23 975 Modoc E side of Warner Mts. 3.7 mi S of Hwy 299 (at Cedarville) along Surprise Valley Road, then 1.5 mi W along Granger Canyon Road. 1500 Comment
  CAS-BOT-BC229909  Diplacus cusickioides G. Dallas Hanna 1952-9-20 s.n. Modoc On Eocene sediments in Conklin Canyon, Warner Mts. Comment
  CAS-BOT-BC229913  Diplacus cusickioides K. Paulson; Robert Paulson 1991-7-13 241 Modoc Granger Canyon, E side of Warner Warner Mountains. 1463 Comment
  CAS-BOT-BC229910  Diplacus cusickioides P. Monnet 1913-7-7 882 Modoc Warner's Range. 1828 Comment
  CAS-BOT-BC234495  Diplacus nanus Clare Butterworth Hardham 1961-6-19 7841 Modoc Willow Creek. 1524 Comment
  CAS-BOT-BC234499  Diplacus nanus Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-15 16498 Modoc Junction of gravel road to Tieneste & Glass Mt. with Canby-Klamath Falls Highway 139, 28 mi W of Canby. Comment
  CAS-BOT-BC234490  Diplacus nanus Mrs. H. C. Cantelow 1935-6-8 980 Modoc S of Malin. Comment
  CAS-BOT-BC234493  Diplacus nanus Mrs. H. C. Cantelow 1941-5-23 s.n. Modoc 2 miles W of Adin Pass Summit, US Hwy 299. W of Bieber Comment
  JEPS14684  Dodecatheon alpinum Frances D. Payne 1931-6-29 299 Modoc e Warren Peak (South slope of Owl Creek, Warner Mountains); Warner Mountains, s slope Owl Creek, e of Warren Peak 2133 Comment
  UC71814  Dodecatheon alpinum Mrs. M. H. Manning 1903-8-27 348 Modoc 100 ft below summit Mt. Bidwell (ne Modoc County); Mt. Bidwell below summit Comment
  UC559940  Dodecatheon conjugens Leo D. Whitney 1935-5-19 3108 Modoc near Hackamore (edge of river); Hackamore River Comment
  OBI47981  Dodecatheon conjugens Rhonda Riggins 1989-4-28 1669 Modoc 5.7 mi N of hwy 395 E of Alturas on rd to Raker and Thomas Reservoir (continuation of Pencil Rd) 1524 Comment
  UC22374  Dodecatheon conjugens Mrs. C. C. Bruce June 1898 2802 Modoc <?>ake<?>ly Mt. Comment
  CAS-BOT-BC218269  Dodecatheon conjugens var. conjugens Bruce Bartholomew; Barrett Anderson 1989-4-28 4655 Modoc 11 km N of State Highway 299 and ca. 1 km S of Raker & Thomas Reservoir. 1500 Comment
  CAS-BOT-BC218271  Dodecatheon conjugens var. conjugens Edward Kent Balls 1950-5-17 14737 Modoc Howard's Gulch Public Camp, off Hwy 139, NW of Canby. 1432 Comment
  CAS-BOT-BC218277  Dodecatheon conjugens var. conjugens John Thomas Howell 1934-6-11 11976 Modoc Parker Creek. 1584 Comment
  CAS-BOT-BC218285  Dodecatheon conjugens var. conjugens Bruce Bartholomew; Mona Bourell 1990-4-27 5191 Modoc 1.1 km E of the Modoc National Forest boundary on Parker Creek Road. 1660 Comment
  CAS-BOT-BC218282  Dodecatheon conjugens var. conjugens Leland S. Smith 1924-5-1 s.n. Modoc Ovendine range, grassy flat S of Ash Valley road. Comment
  CAS-BOT-BC95110  Downingia bacigalupii Leland S. Smith 1924-6-4 1368 Modoc S side of Egg Lake. Comment
  CAS-BOT-BC95115  Downingia bacigalupii Barrett Anderson 1986-7-10 3208 Modoc West Warner Rd along Bear Flat. 1845 Comment
  CAS-BOT-BC95116  Downingia bacigalupii Alice Eastwood; John Thomas Howell 1940-6-14 8224 Modoc 8 mi. NW of Canby. Comment
  CHSC112046  Downingia bacigalupii Lowell Ahart; John Dittes 2012-7-11 18334 Modoc On the bottom of a gravel pit, north edge of the meadow, about 1/8 mile east of the parking area on the east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northweat of Bieber, Big Valley. 1266 Comment
  CHSC99117  Downingia bacigalupii Lowell Ahart; John Dittes 2008-6-21 14985 Modoc Bottom of a large vernal pool, about 50 yards northwest of a large culvert, about 25 yards west of the large levee, in Big Valley, about 2.8 miles (air) north of the Headquarters at Ash Creek State Wildlife Area, about 5.4 miles (air) northeast of Bieber. 1255 Comment
  UC28971  Downingia bacigalupii Mrs. R. M. Austin 1894-1 Modoc Willow Creek Valley Comment
Read comments Jul 6 2010
  RSA149135  Downingia bacigalupii I. L. Wiggins, Dorothy Wiggins 1961-6-15 16515 Modoc 13 miles W of Canby, along Hwy 139. Comment
  UCD37474  Downingia bicornuta Beecher Crampton 1960-6-17 5701 Modoc Modoc County, 13 miles west of Canby, 2.5 miles northeast of Happy Camp Station, McKay Flat. 1280 Comment
  CAS-BOT-BC95132  Downingia bicornuta var. bicornuta R. K. Gierisch; D. H. Esplin 1969-7-16 3547 Modoc Spaulding Reservoir. 1432 Comment
  UC1112773  Downingia bicornuta var. bicornuta Calvin McMillan 1949-6-16 1535 Modoc 3 mi s Crowder Flat (about 7 mi s of the Oregon border, n central Modoc Co.) Comment
  SBBG30548  Downingia elegans D. Myrick 1968-6-20 1984 Modoc Airport Rd, 7 mi N of Alturas 1524 Comment
  RSA149140  Downingia insignis I. L. Wiggins, Dorothy Wiggins 1961-6-16 16524 Modoc Northern outskirts of Canby. Comment
  CAS-BOT-BC58286  Draba albertina Bruce Bartholomew 1990-6-16 5259 Modoc W side of Pine Creek Basin, Warner Mountains. 2200 Comment
  HSC68843  Draba albertina Gary Schoolcraft 1980-7-22 328 Modoc Near Benton Meadows at top of Lake City Canyon 2195 Comment
  CAS-BOT-BC58556  Draba densifolia Annie Montague Alexander; L. Kellogg 1946-8-9 5142 Modoc Squaw Peak, Patterson Lake Trail, Warner Mts. Comment
  CAS-BOT-BC58555  Draba densifolia C. C. (Mrs.) Bruce 1892-1-1 2133 Modoc Mountains. Comment
  CAS-BOT-BC214760  Drymocallis glandulosa Bruce Bartholomew 1989-7-14 4935 Modoc Along Rush Creek between Lower and Upper Rush Creek Campgrounds. 1580 Comment
  CAS-BOT-BC214762  Drymocallis glandulosa Bruce Bartholomew; Barrett Anderson 1989-6-3 4868 Modoc Boles Creek, ca. 5.5 km E of the SE corner of Clear Lake Reservoir. 1430 Comment
  CAS-BOT-BC214763  Drymocallis glandulosa K. Paulson; Robert Paulson 1989-5-21 119 Modoc Near Fletcher Creek, Crowder Flat Road. 1341 Comment
  CAS-BOT-BC214769  Drymocallis glandulosa Bruce Bartholomew 1990-6-16 5254 Modoc Between roadhead and Pine Creek Basin, W side of Warner Mountains. 2130 Comment
  CAS-BOT-BC214771  Drymocallis glandulosa Leland S. Smith 1918-6-23 954 Modoc Below Lily Lake - High Grade distriict. 2133 Comment
  CAS-BOT-BC214759  Drymocallis glandulosa var. reflexa Roxana Stinchfield Ferris; R. Duthie 1919-6-15 88 Modoc Near Parker Creek, Modoc Nat. Forest. 1676 Comment
  HSC1028  Dryopteris expansa R. C. Wunner 1965-8-31 495 Modoc Lava Beds National Monument, Fern Cave entrance. Comment
  JEPS117937  Elaeagnus angustifolia L. P. Janeway, B. Castro 2008-8-16 9539 Modoc Surprise Valley Modoc Plateau (east side of Middle Alkali Lake, north side of Hwy 299 8.2 km east of Cedarville.) 1370 Comment
  CHSC116189  Elatine Lowell Ahart; John Dittes 2015-7-15 20353 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
  JEPS127189  Elatine californica Lowell Ahart, John Dittes 2016-7-14 21211 -A Modoc South of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. Comment
  CHSC112777  Elatine rubella Lowell Ahart; John Dittes 2013-7-24 18919 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
  POM312317  Elatine rubella Verne Grant, Irving Schneider, Grant 1947-7-29 8180 Modoc Fitzhugh Creek, near Payne Reservoir, south of Alturas. Comment
  RSA0106689  Eleocharis acicularis Lowell Ahart, John Dittes 2013-7-25 18967 Modoc West of where the road crossed, about 50 yards west of the north-south fence, south edge of Ash Creek Floodplain, northwest of Patterson Homestead, east of Elkins Lane, 1.0 (air) mile south of County Road 87, 3.14 miles (air) west of Adin, Big Valley. 1268 Comment
  UC1100612  Eleocharis bella Herbert L. Mason 1947-8-13 13526 Modoc N of Canby (NE side of F reservoir) Comment
  UC70405  Elodea canadensis Milo S. Baker 1899-8-12 Modoc Egg Lake Comment
  RSA603668  Elymus X hansenii L. C. Wheeler 1935-8-4 3781 Modoc Warner Mts., Dry Lake, Pine Creek 2104 Comment
  UC1137030  Elymus X saxicola August L. Hormay 1932-7-18 Modoc 2 mi s Badger Well Springs Comment
  UCD61554  Elymus elymoides L. D. Whitney 1935-7-5 Modoc Hackamore. Comment
  CHSC85407  Elymus elymoides subsp. californicus John Dittes; Josephine Guardino 1991-6-1 363 Modoc Modoc Plateau; Big Valley; Ash Creek Wildlife Area; ca. 7.7 air-miles northeast of Bieber, ca. 4.0 air-miles west by southwest of Adin, ca. 5.0 air-mile east by southeast of Pilot Butte summit, ca. 0.6 mile east of Walters Road and Owl Barn. Meadow at southern edge of Ash Creek Floodplain. 1271 Comment
  CAS-BOT-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
  JEPS70699  Elymus elymoides subsp. elymoides Leland S. Smith 1918-6-22 970 Modoc High Grade-Pine Creek Modoc <National> Forest Comment
  JEPS70708  Elymus elymoides subsp. elymoides L. S. Smith 1937-7-11 97 Modoc Granger Mill Camp Warner Mts. 1828 Comment
  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
  HSC10953  Elymus elymoides var. elymoides M. T. Milligan 1966-8-3 629 Modoc West slope of Eagle Peak. 2439 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
  UCD61796  Elymus glaucus L. Whitney 1935-7-6 Modoc Pit River. Stone Coal Valley. Comment
  CHSC115507  Elymus multisetus L. P. Janeway 2014-7-8 11456 Modoc Modoc Plateau. East corner of Dry Creek Rim; along Road 47N08 (corral Creek Road) 3.1 road-km north-northwest of Road 48 (along the west edge of Goose Lake). 1650 Comment
  UCD62454  Elymus multisetus Leo Whitney 1934-5-19 3044 Modoc Devil's Garden, Modoc National Forest, northeast portion of county. 1524 Comment
  JEPS73940  Elymus trachycaulus Frances D. Payne 1932-6-24 588 Modoc s and e Alturas; Waner Mountains, Parker Creek 1584 Comment
  UC1025028  Elymus trachycaulus Leo Whitney 1935-7-19 3538 Modoc ca 15 mi nw Canby; Modoc National Forest, Lake Joaquina, Hackamore 1463 Comment
  UC1140906  Elymus trachycaulus L. D. Whitney 1935-7-21 3557 Modoc Happy Camp Comment
  SEINET6657087  Elymus triticoides Leo Whitney 1935-8-7 3611 Modoc Lake Joaquina, Hackamore, ca. 15 miles northwest of Canby, Modic National Forest.; 0 1463 Comment
  CAS-BOT-BC217288  Enemion stipitatum Bruce Bartholomew; Barrett Anderson 1989-4-27 4615 Modoc 2.1 km SSE of Day on road to State Highway 299. 1020 Comment
  RSA600236  Epilobium anagallidifolium Louis C. Wheeler 1935-9-27 4009 Modoc Devil's Garden: Grizzly Spring. 1524 Comment
  CAS-BOT-BC191014  Epilobium brachycarpum Bruce Bartholomew 1992-8-7 6358 Modoc Along the Pit River just SW of Canby Bridge. 1300 Comment
  CAS-BOT-BC191018  Epilobium brachycarpum Bruce Bartholomew 1993-6-14 6670 Modoc Hopeless Pass, N of W side of Clear Lake Reservoir. 1450 Comment
  CHSC33988  Epilobium brachycarpum N. E. H. Prouty; J. D. Prouty 1980-8-1 198 Modoc Modoc Nat. Forest, Warner Mt. District. Opening south of Soup Spring's Campground. 2072 Comment
  CHSC99964  Epilobium brachycarpum Lowell Ahart; John Dittes 2008-8-25 15277 -A Modoc On the west side of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout. 1276 Comment
  JEPS121198  Epilobium brachycarpum Lowell Ahart, John Dittes 2013-7-25 18961 Modoc 30 yards N of the E-W fence, S edge of Ash Creek floodplain, NE of Patterson Homestead, E of Elkins Lane, 1.0 air mile S of County Road 87, 3.14 air miles W of Adin, Big Valley. Comment
  RSA563314  Epilobium brachycarpum Bruce Bartholomew 1989-7-15 4998 Modoc Sweagert Flat 1860 Comment
  UC1191733  Epilobium brachycarpum Herbert L. Mason and Verne Grant 1947-7-10 13337 Modoc 2 mi e Alturas; Dorris Reservoir Comment
  HSC16318  Epilobium brachycarpum M. T. Milligan 1965-6-27 359 Modoc E slope of eroded volcanic plateau. 1677 Comment
  RSA0037172  Epilobium campestre Lowell A. Ahart, John Dittes 2012-7-11 18331 Modoc North edge of the meadow, about 1/8 mile east of the parking area on the east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  UC1191618  Epilobium campestre Verne Grant and Irving Schneider 1947-7-29 8177 Modoc s Alturas; Payne Reservoir Comment
  UC1191576  Epilobium campestre Herbert L. Mason 1947-8-15 13563 Modoc 11 mi from Davis Creek; Goose Lake, spring leading into w side Comment
  POM312596  Epilobium ciliatum subsp. ciliatum Verne Grant, Irving Schneider 1947-7-19 8079 Modoc Near Tules of East Canal, along Southern Pacific right-of-way, Williams Ranch, between Alturas and Likely 1220 Comment
  UC748258  Epilobium ciliatum subsp. glandulosum Annie M. Alexander and Louise Kellogg 1946-7-11 4695 Modoc slope w Eight Mile Creek (ne corner of county) Comment
  CHSC111398  Epilobium densiflorum Lowell Ahart; John Dittes 2012-7-11 18349 Modoc On dry bare soil, dry edges of ponds, about 1/2 mile southeast of the Pilot Butte Parking Lot, north edge of Ash Creek floodplain, about 1.5 miles (air) south of County Road 87, about 7.5 miles (air) west of Adin, about 10.2 miles (air) east of Lookout, Big Valley. 1260 Comment
  CAS-BOT-BC248344  Epilobium hallianum B. Bartholomew; H. Sun 2002-6-24 8827 Modoc S end of Sweagert flat ca. 15.3 straight line km WNW of Aden 1820 Comment
  HSC16324  Epilobium hallianum M. T. Milligan 1964-6-25 89 Modoc Upper Lassen Creek 1829 Comment
  UC635379  Epilobium hallianum F. H. Frost 1925-7-25 160 Modoc Eagle Peak Warner Mountains Comment
  UC748413  Epilobium hallianum Annie M. Alexander and Louise Kellogg 1946-6-30 4873 Modoc Highgrade Warner Mountains (w side of ridge, n end of mts.) 2377 Comment
  SEINET191882  Epilobium hornemannii C. L. Hitchcock 1940-5-27 6710 Modoc 15 miles NE of Alturas 1615 Comment
  HSC49635  Epilobium obcordatum J. P. Smith, J. O. Sawyer 1973-8-8 7220 Modoc Near summit of Eagle Peak 2988 Comment
  UC704887  Epilobium obcordatum Marion Ownbey and Fred G. Meyer 1940-7-1 2157 Modoc near summit of Cedar Peak; Warner Mts. Comment
  UC20219  Epilobium oregonense Milo S. Baker 1893-6 Modoc Comment
  UC19957  Epilobium pallidum M. S. Baker and Frank Nutting 1894-6-4 Modoc Little Hot Spring Valley Comment
  POM319045  Epilobium pallidum Patricia Wilder 1971-6-20 5084 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
  UC1191613  Epilobium pallidum Herbert L. Mason and Verne Grant 1947-7-13 13441 Modoc on Hwy 395 n Davis Creek (e side of lake, near roadside); Goose Lake, Joseph Creek Comment
  CAS-BOT-BC190867  Epilobium pygmaeum Verne Grant; I. Schneider 1947-7-29 8177 Modoc Payne Reservoir, S of Alturas. Comment
  CAS-BOT-BC190870  Epilobium pygmaeum Bruce Bartholomew 1990-8-3 5618 Modoc Bear Flat, W side of Warner Mts. 1830 Comment
  CAS-BOT-BC190873  Epilobium pygmaeum John Thomas Howell 1934-7-2 12351 Modoc Morvitz Creek, 1 mi. S of Clear Lake. Comment
  CAS-BOT-BC190875  Epilobium pygmaeum Verne Grant; I. Schneider 1947-7-18 8049 Modoc Eastside Canal, 5 mi. N of Bayley's bridge, S of Alturas. Comment
  CAS-BOT-BC190926  Epilobium pygmaeum D. M. Moore 1960-6-4 119 Modoc Along Hwy 299 2.5 mi. N of Canby. Comment
  CAS-BOT-BC190928  Epilobium pygmaeum D. M. Moore 1960-6-4 122 Modoc Creek flowing into Pit River and crossing Adin Rd. E of Lookout. Comment
  NY1000519  Epilobium pygmaeum L. C. Wheeler 1935-8-18 3894 Modoc 2 miles northeast of Alturas 1356 Comment
  CAS-BOT-BC190857  Epilobium torreyi Arnold Tiehm 1984-7-30 8828 Modoc 8.9 road mi. NE of Ft. Bidwell on the main road to Adel, just past the road summit. 1615 Comment
  CAS-BOT-BC190861  Epilobium torreyi D. M. Moore 1960-6-4 121 Modoc 7.4 mi. W of Adin on road to Lookout. Comment
  HSC867  Equisetum hyemale subsp. affine M. T. Milligan 1966-4-8 454 Modoc E of Jess Valley 1585 Comment
  HSC16005  Eremalche parryi M. T. Milligan 1964-6-6 8 Modoc N side of Dorris Reservoir along shore 1372 Comment
  RSA273431  Eremocarpus setiger Thomas W. Nelson, Jane Nelson, James Nelson 1976-8-29 3264 Modoc Modoc National Forest, along Highway 299 just north east of Adin Pass. 1524 Comment
  CAS-BOT-BC248346  Eremogone aculeata B. Bartholomew; H. Sun 2002-6-24 8829 Modoc Ca. 1 km NW of Bald Mt., E side of the Warner Mountains 2290 Comment
  CAS-BOT-BC95472  Eremogone aculeata Bruce Bartholomew 1990-6-15 5245 Modoc Top of Manzanita Mountain in vicinity of Manzanita Lookout. 2130 Comment
  CAS-BOT-BC95490  Eremogone aculeata Elmer Ivan Applegate 1932-7-9 7569 Modoc N slope of Bidwell Mountain. Comment
  CAS-BOT-BC95495  Eremogone aculeata Bruce Bartholomew; Barrett Anderson 1989-6-3 4892 Modoc ca. 5 km E of the SE corner of Clear Lake Reservoir. 1450 Comment
  CAS-BOT-BC95496  Eremogone aculeata Francis Dorris Payne 1929-7-26 s.n. Modoc Mt. Warren, Warner Mts. Comment
  CHSC118082  Eremogone congesta var. subcongesta L. P. Janeway 2016-5-18 12054 Modoc Modoc Plateau. Between Goose Lake and the Devils Garden area; uplands along southwest side of Goose Lake about 2.1 air-km southwest of north end of Road 48 causeway across the lake. 1434 Comment
  CAS-BOT-BC14811  Ericameria bloomeri Mrs. M. H. Manning 1905-9-15 s.n. Modoc Near Hall's Meadows. Comment
  CAS-BOT-BC14816  Ericameria bloomeri Louis Cutter Wheeler 1935-9-9 3960 Modoc South Mt., Devil's Garden. 1524 Comment
  RSA608600  Ericameria bloomeri L. C. Wheeler 1935-9-9 3960 Modoc Devils Garden: 1 mile NE of South Mountain 1524 Comment
  UCR34485  Ericameria bloomeri J. A. Harpel 1981-8-7 V- 54 Modoc Warner Mtns, South Warner Wilderness Area: Pine Creek Basin Trail, 7 mi NW of Eagleville 2652 Comment
  CAS-BOT-BC14810  Ericameria bloomeri Harvey Monroe Hall 1921-9-9 11667 Modoc Northern Modoc County. Comment
  CAS-BOT-BC14815  Ericameria bloomeri Elmer Ivan Applegate 1936-9-29 11079 Modoc Bald Crater loop near and S of natural bank spur, Lava Beds National Monument. Comment
  CAS-BOT-BC14818  Ericameria greenei Elmer Ivan Applegate 1932-8-5 8184 Modoc Arid S slope of Cedar Mountain. Comment
  UC71566  Ericameria greenei Mrs. M. H. Manning 1903-8-21 298 Modoc Warner Range Warner Range (ne Modoc County) Comment
  UC75822  Ericameria parryi var. latior Milo S. Baker 1899-8-18 Modoc Little Hot Spring Valley Comment
  HSC81022  Ericameria parryi var. nevadensis G. M. Riegel 1979-7-14 542 Modoc South Warner Mtns. 1739 Comment
  JEPS4046  Ericameria parryi var. nevadensis Frances D. Payne 1935-8-25 809 Modoc s and e of Alturas; Warner Mountains, Parker Creek 1584 Comment
  UCD131549  Ericameria parryi var. nevadensis Louis C. Wheeler 1973-8-26 s.n. Modoc Warner Mountains: 1.5 mile north of Sworinger Reservoir. 1767 Comment
  CAS-BOT-BC497212  Erigeron Gladys L. Smith; Margaret Williams; Loring Williams; Charles Smith 1983-9-14 8379 Modoc Warner Mts., Rte. 299, exactly 12.8 mi NE of Alturas 1554 Comment
  UC31497  Erigeron Milo S. Baker 1893-8-9 Modoc Comment
  CAS-BOT-BC42830  Erigeron austiniae B. J. Cox; P. Gillian 1971-6-3 2612 Modoc 6 mi. N of Alturas on Hwy 395. 1341 Comment
  CAS-BOT-BC42835  Erigeron austiniae Bruce Bartholomew; Barrett Anderson 1988-5-13 4180 a Modoc Juniper Flats, 10 km E of Likely on road to Jess Valley, W side of the Warner Mts.. 1450 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
  CDA4406  Erigeron austiniae T. C. Fuller 1965-6-2 13595 Modoc South side of Highway 299 to Canby, 10.3 miles west of Alturas. 0 Comment
  CAS-BOT-BC42812  Erigeron bloomeri var. bloomeri John Thomas Howell 1934-6-11 11913 Modoc Parker Creek, Warner Mountains 1584 Comment
  CHSC117036  Erigeron bloomeri var. bloomeri Lowell Ahart; John Dittes 2016-6-6 20952 Modoc About 40 yards west of the dirt road, about 50 yards southwest of the intersection of County Road 87 and Access Road to Pilot Butte Parking Area, northeast base of Pilot Butte, 3.8 miles (air) east of Lookout, 7.5 miles (air) west of Adin, Ash Creek State Wildlife Area. 1271 Comment
  UC1037318  Erigeron bloomeri var. bloomeri Leo Whitney 1934-5-13 1858 Modoc Timbered Mountain Modoc National Forest, Devil's Garden, Timbered Mountain 1524 Comment
  OBI48595  Erigeron bloomeri var. bloomeri Lewis S. Rose 1940-6-12 40539 Modoc 6 mi NE of Alturas 1341 Comment
  UC1035995  Erigeron bloomeri var. bloomeri Helen K. Sharsmith 1955-6-23 4494 Modoc 6.7 mi e Cedar Campground (just s of State Hwy 29); Modoc National Forest, Warner Mountains 1859 Comment
  UC87550  Erigeron chrysopsidis var. austiniae Mrs. R. M. Austin 1894-5-1 84 Modoc Lassen Creek Comment
  UC195007  Erigeron coulteri W. P. Taylor and H. C. Bryant 1910-7-13 Modoc head, in mountain meadow N. Fork Parker Cr.; Warner Mountains, N. Fork Parker Cr. 2225 Comment
  HSC5509  Erigeron divergens M. T. Milligan 1965-6-27 378 Modoc N end Jess Valley 1616 Comment
  CAS-BOT-BC42755  Erigeron eatonii var. plantagineus Alice Eastwood; John Thomas Howell 1940-6-15 8286 Modoc About 15 mi. N of Lookout. Comment
  CAS-BOT-BC42756  Erigeron eatonii var. plantagineus Margaret J. Williams 1984-6-28 84- 67 -2 Modoc 2 mi. N of intersection between Soldier Creek and Old Cannon Mill road, Warner Mtns., N of Cedar Pass 2057 Comment
  CAS-BOT-BC42763  Erigeron eatonii var. plantagineus Francis Marion Ownbey; Frederick Gustav Meyer 1940-7-1 2144 Modoc N slope Cedar Peak, Warner Mountains Comment
  CAS-BOT-BC42783  Erigeron eatonii var. plantagineus Annie M. Alexander; Louise Kellogg 1946-6-26 4833 Modoc Dismal Swamp, north end of Warner Mountains 2255 Comment
  CAS-BOT-BC42784  Erigeron eatonii var. plantagineus John H. Hatton 1911-6-15 105 Modoc Near Happy Camp. 1463 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
  RSA163737  Erigeron eatonii var. plantagineus Clare B. Hardham 1961-6-18 7573 Modoc Mtns S of Cedar Pass. 1982 Comment
  OBI50219  Erigeron eatonii var. plantagineus Barbara Ertter 1988-6-18 7628 Modoc Hwy 139 14.5 mi ENE of jct hwy 299 at Canby, N of Bessler Reservoir. T43N R7E sec 36 1463 Comment
  CAS-BOT-BC42764  Erigeron elegantulus Fred D. Douthitt 1915-5-11 15 Modoc Juniper Flats near West Valley. 1524 Comment
  HSC28533  Erigeron elegantulus D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19366 Modoc Along the S Fork of the Pit River, ~6 mi. E of Likely. Comment
  RSA14492  Erigeron elegantulus Elmer I. Applegate 1929-6-24 5891 Modoc Between Alturas and Davis Creek. Comment
  UC1540224  Erigeron filifolius Dean Wm. Taylor and Glenn L. Clifton 1987-6-27 9107 Modoc along Hwy 395 about 3.5 mi n of n junction with Highway 299 1371 Comment
  CHSC39008  Erigeron filifolius var. filifolius J. D. Jokerst 1983-6-18 1861 Modoc Forest Service Rd 73 0.4 miles south of Crowder Flat Station. East side of road. Comment
  CAS-BOT-BC49618  Erigeron glacialis var. glacialis Annie Montague Alexander; L. Kellogg 1946-7-19 5029 Modoc Benton Meadow, Warner Mountains 2072 Comment
  CHSC109217  Erigeron glacialis var. glacialis L. P. Janeway; B. Castro 2012-7-24 10956 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
  HSC81105  Erigeron glacialis var. glacialis G. M. Riegel 1980-8-6 994 Modoc S Warner Mtns. 2100 Comment
  JEPS5925  Erigeron glacialis var. glacialis Frances D. Payne 1931-6-25 263 Modoc 2 mi sw Warren Peak; Warner Mts., Pine Creek Basin 2316 Comment
  UC748368  Erigeron glacialis var. glacialis Annie M. Alexander and Louise Kellogg 1946-7-19 5029 Modoc Brenton Meadow Warner Mountains, Brenton Meadow 2072 Comment
  UC468830  Erigeron glacialis var. glacialis M. F. Gilman 522 Modoc Comment
  CAS-BOT-BC49611  Erigeron linearis Alice Eastwood; John Thomas Howell 1940-6-12 8083 Modoc Jess Valley. Comment
  CHSC67084  Erigeron linearis James D. Jokerst 1987-5-13 2872 Modoc Radar Survey Site S of Doublehead Mtn., S of Clear Lake Reservoir, SE of dry lake ca. 250 m on edge of basalt flow. 1365 Comment
  JEPS29177  Erigeron linearis Lauramay T. Dempster 1961-6-18 1692 Modoc peak just s of Cedar Pass Comment
  RSA245023  Erigeron linearis D. H. Norris, T. Nelson, S. Dowty 1971-6-23 19364 Modoc along the South fork of the Pit River, about 6 miles east of Likely Comment
  UC748380  Erigeron linearis Annie M. Alexander and Louise Kellogg 1946-8-9 5137 Modoc Patterson Lake Trail Warner Mountains, Patterson Lake Trail Comment
  JEPS5921  Erigeron linearis Frances D. Payne 1929-6-19 10 Modoc s and e of Alturas (Parker Creek); Warner Mountains, Parker Creek 1584 Comment
  SD5436  Erigeron linearis Mrs. R. M. Austin Unknown Modoc New Pine Creek Comment
Read comments Jul 11 2010
  UC31504  Erigeron linearis Mrs. R. M. Austin Jun 1894 Modoc lava beds e Emigrant Springs Comment
  UC71827  Erigeron linearis Mrs. M. H. Manning Jun 1 1904-Jul 1 1904 469 Modoc slopes above Alkali Lake (ne Modoc County) Comment
  RSA540065  Erigeron peregrinus subsp. callianthemus Bruce Bartholomew, B. Anderson 1990-7-20 5505 Modoc Tamarack Flat, E side of Warner Mts. 2150 Comment
  UCR92402  Erigeron pumilus subsp. intermedius Kathy Harper, D. Karr 1994-6-16 s.n. Modoc Modoc Plateau, near Spaulding Lake, along Calif. Hwy 139, c. 15 mi. south of Tionesta Road, NW of Canby near Hackamore 1160 Comment
  CHSC118299  Erigeron pumilus var. intermedius L. P. Janeway 2016-5-18 12057 Modoc Modoc Plateau. Between Goose Lake and the Devils Garden area; along southwest side of Goose Lake about 1.0 air-km southwest of north end of Road 48 causeway across the lake. 1434 Comment
  UC71828  Erigeron pumilus var. intermedius Mrs. M. H. Manning Jun 1 1904-Jul 1 1904 468 Modoc slope above Alkali Lake; ne Modoc County Comment
  UC6272  Eriogonum douglasii var. meridionale Mrs. C. C. Bruce June 1898 2315 Modoc Lake City Mt. Comment
  CAS-BOT-BC197826  Eriogonum elatum Annie Montague Alexander; L. Kellogg 1946-7-7 4919 Modoc Highway south of town, Fort Bidwell. Comment
  CAS-BOT-BC197828  Eriogonum elatum Leland S. Smith 1917-7-18 75 Modoc Soldier Creek. 1828 Comment
  UC85863  Eriogonum elatum Mrs. R. M. Austin Modoc Comment
  UC6380  Eriogonum nudum var. oblongifolium Milo S. Baker 1893-7-20 Modoc 1371 Comment
  CAS-BOT-BC211436  Eriogonum nudum var. pubiflorum G. D. Hanna 1958-9-23 Modoc Cedar Pass Comment
  CAS-BOT-BC211444  Eriogonum nudum var. pubiflorum Bruce Bartholomew 1991-8-5 6048 Modoc Summit Trail between Squaw Peak and Cottenwood Lake, crest of the Warner Mts. 2470 Comment
  CAS-BOT-BC211448  Eriogonum nudum var. pubiflorum Bruce Bartholomew 1991-8-5 6076 Modoc Summit Trail, between Squaw Peak and Pepperdine, W side of Warner Mts. 2240 Comment
  CHSC109206  Eriogonum nudum var. pubiflorum L. P. Janeway; B. Castro 2012-7-24 10969 Modoc Warner Mountains. Along Forest Road/County Road 2 (the road from New Pine Creek to Fort Bidwell) 1.0 air km west of Lily Lake and 1.4 air km northwest of Yellow Mountain. 1948 Comment
  RSA101375  Eriogonum nudum var. pubiflorum R. Weatherby 1955-7-8 1637 Modoc 3 mi. north of Ft. Bidwell, northern Warner Mts. 1555 Comment
  UCD77673  Eriogonum nudum var. pubiflorum Robert E. Preston 2000-7-17 1395 Modoc Ca. 11 mi nw of Canby, along Hwy 139, T42N R8E Section 3 1490 Comment
  CAS-BOT-BC211434  Eriogonum nudum var. pubiflorum B. Bartholomew; Barrett Anderson 1988-7-21 4407 Modoc 2.1 km SSE of Day of the road to state Highway 299 1020 Comment
  RSA318662  Eriogonum nudum var. pubiflorum Margaret J. Williams 1983-7-29 83- 115 -1 Modoc Stowe Reservoir Rd. N of Cedar Pass, Warner Mountains 2073 Comment
  JEPS56562  Eriogonum ovalifolium var. ovalifolium W. L. Jepson 1918-8-7 7899 Modoc Mt. Bidwell Comment
  CAS-BOT-BC211352  Eriogonum spergulinum var. reddingianum Bruce Bartholomew 1991-8-5 6026 Modoc Summit Trail between Pepperdine and Squaw Peak, W side of Warner Mts. 2190 Comment
  HSC81010  Eriogonum sphaerocephalum G. M. Riegel 1978-6-26 30 Modoc S Warner Mtns. 1739 Comment
  CAS-BOT-BC211380  Eriogonum sphaerocephalum var. halimioides Robert J. Weatherby 1955-7-8 1641 Modoc West side of Cedar Pass, near Marner Mts. 1645 Comment
  CAS-BOT-BC211382  Eriogonum sphaerocephalum var. halimioides Margaret J. Williams 1983-7-29 83- 116 -6 Modoc 1.1 mi N of Stowe Reservoir Campground, N of Cedar Pass, Warner Mts. 2087 Comment
  CAS-BOT-BC211383  Eriogonum sphaerocephalum var. halimioides K. Paulson; Robert Paulson 1988-5-22 6 Modoc Engle Swamp Road, Devil's Garden. 1402 Comment
  CAS-BOT-BC211389  Eriogonum sphaerocephalum var. halimioides Belknap C. Goldsmith 1912-7-1 56 Modoc Little Hot Spring Valley. Comment
  CHSC113988  Eriogonum sphaerocephalum var. halimioides L. P. Janeway 2014-7-8 11467 Modoc Modoc Plateau. East corner of Dry Creek Rim; along Road 47N08 (Corral Creek Road) 3.1 road-km north-northwest of Road 48 (along the west edge of Goose Lake). 1650 Comment
  RSA164357  Eriogonum sphaerocephalum var. halimioides Clare B. Hardham 1961-6-18 7548 Modoc Cedar Pass. 1829 Comment
  SEINET5331614  Eriogonum sphaerocephalum var. halimioides M. J. Williams, Gladys Smith 1983-9-13 83- 153 -2 Modoc 1.6 mi beyond campground on Stowe Reservoir road, N of Cedar Pass Rd., Warner Mtns. 2012 Comment
  SJSU5895  Eriogonum sphaerocephalum var. halimioides H. L. Buckalew 1961-6-26 Modoc Deep Cr Canyon, Warner Mts 1767 Comment
  CAS-BOT-BC211355  Eriogonum strictum subsp. anserinum G. D. Hanna; M. M. Hanna 1956-6-5 Modoc Cedar Pass. Comment
  CAS-BOT-BC211360  Eriogonum strictum subsp. anserinum Annie Montague Alexander; L. Kellogg 1946-7-24 5072 Modoc Horse Mountain, Warner Mts. Comment
  CAS-BOT-BC211363  Eriogonum strictum subsp. anserinum Annie Montague Alexander; L. Kellogg 1946-7-24 5072 Modoc Horse Mountain, Warner Mts. Comment
  CAS-BOT-BC211362  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
  CAS-BOT-BC211365  Eriogonum strictum subsp. anserinum Amos Arthur Heller 1938-6-24 15223 Modoc Slopes between Alturas and Canby. 1341 Comment
  CAS-BOT-BC211369  Eriogonum umbellatum Robert Patterson; Mona Bourell 1993-8-15 5257 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
  JEPS56238  Eriogonum umbellatum var. dichrocephalum W. L. Jepson 1918-8-13 7696 Modoc summit, Eagle Peak Warner Mts., Eagle Peak 3017 Comment
  NY399145  Eriogonum umbellatum var. dichrocephalum N. H. Holmgren 1964-8-22 1720 Modoc Warner Range, just below the top of Eagle Peak 3027.9 Comment
  NY399399  Eriogonum umbellatum var. dichrocephalum L. C. Wheeler 1935-8-14 3843 Modoc Pine Creek, Warner Mountains 2011.7 Comment
  CHSC109488  Eriogonum umbellatum var. modocense L. P. Janeway; B. Castro 2012-7-24 10976 Modoc Warner Mountains. Northwestern flank of Mount Bidwell; 1.2 air km south of Dismal Swamp. 2362 Comment
  JEPS3933  Eriogonum umbellatum var. modocense N. T. Mirov 1929-6-16 Modoc e on Fandango Valley road Goose Lake (Buck Creek Ranger Station); Warner Mountains, Buck Creek Ranger Station 1554 Comment
  NY399205  Eriogonum umbellatum var. modocense K. Paulson 1988-5-22 7 Modoc Devil's Garden 1432.6 Comment
  CHSC114009  Eriogonum umbellatum var. nevadense L. P. Janeway 2014-7-8 11482 Modoc Modoc Plateau. East corner of Dry Creek Rim; along Road 47N08 (Corral Creek Road) 5.1 road-km north-northwest of Road 48 (along the west edge of Goose Lake). 1759 Comment
  UCD101364  Eriogonum umbellatum var. nevadense Johnnie L. Gentry Jr.; Earl Jensen Jr. 1968-7-4 2111 Modoc 15.2 miles northwest of Hwy. jct. Calif. 139 and Calif. 299, on Calif. 139. 1447 Comment
  RSA101381  Eriogonum umbellatum var. polyanthum R. Weatherby 1955-7-8 1633 Modoc Common on slope with sagebrush. Northern Juniper Woodland. 3 mi. north of Ft. Bidwell, Warner Mts. Comment
  POM260788  Eriogonum umbellatum var. polyanthum Thomas Howell 1940-6-13 8115 Modoc [Unspecified] Comment
  CAS-BOT-BC197590  Eriogonum vimineum Alice Eastwood; John Thomas Howell 1940-6-13 8172 Modoc Cedarville. Comment
  CAS-BOT-BC197593  Eriogonum vimineum Annie Montague Alexander; L. Kellogg 1946-7-17 4996 Modoc Cedar Pass, Warner Mts. Comment
  CAS-BOT-BC197595  Eriogonum vimineum Frank Warrington Peirson 1926-6-24 6856 Modoc Near a small lake about 3 mi E of Alturus. Comment
  CAS-BOT-BC197599  Eriogonum vimineum Alice Eastwood; John Thomas Howell 1940-6-13 8134 Modoc W side of Fandango Pass. Comment
  RSA216037  Eriogonum vimineum J. L. Gentry Jr., Earl Jensen Jr. 1969-7-4 2112 Modoc 15.2 mi. northwest of Hwy. jct. calif. 139 and calif. 299 on Calif 139. 1448 Comment
  SEINET10299467  Eriogonum vimineum W. L. Jepson 1918-8-6 7834 Modoc Fandango Creek above Buck Creek 1585 Comment
  UC1093643  Eriogonum vimineum Herbert L. Mason 1947-7-10 13335 Modoc 2 air mi e Alturas (on mesa); Doris Reservoir Comment
  HSC17397  Eriogonum vimineum M. T. Milligan 1964-8-8 222 Modoc 2 mi. W on Jones Lane at Westside Canal, from Hwy. 395 1372 Comment
  POM145868  Eriogonum vimineum Francis Drouet, Donald Richards 1941-9-10 4142 Modoc in open woods on the hills 2 mi. northwest of Alturas, 1341 Comment
  CAS-BOT-BC49559  Eriophyllum lanatum Bruce Bartholomew; Barrett Anderson 1988-7-23 4563 Modoc Near Poison Lake ca. 5 km S of the road from U.S. Highway 395 to Lily Lake, Warner Mts.. 2000 Comment
  UCR92626  Eriophyllum lanatum Kathy Harper, D. Karr 1994-6-16 s.n. Modoc Modoc Plateau, near Spaulding Lake, along Calif. Hwy 139, c. 15 mi. south of Tionesta Road, NW of Canby near Hackamore 1160 Comment
  HSC81111  Eriophyllum lanatum var. achilleoides G. M. Riegel 1980-7-28 954 Modoc South Warner Mtns. 1739 Comment
  JEPS34631  Eriophyllum lanatum var. achilleoides N. T. Mirov 1929-6-16 Modoc Buck Creek Ranger Station e of Goose Lake (on Fandango Valley road); Warner Mountains 1554 Comment
  RSA504844  Eriophyllum lanatum var. achilleoides Bruce Bartholomew, B. Anderson 1988-7-21 4461 Modoc Vicinity of Patterson Campground, Southern end of the Warner Mountains. 668 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
  HSC8472  Erodium cicutarium M. T. Milligan 1966-4-8 447 Modoc N end of Jess Valley 1616 Comment
  POM88757  Erodium cicutarium Mrs. R. M. Austin 1895-06 s.n. Modoc Goose Lake Valley. Comment
  JEPS117164  Eryngium alismifolium Lowell Ahart, John Dittes 2010-8-30 17063 Modoc About 5 yards east of the fence, south edge of the meadow, Ash Creek State Wildlife Area, 2,300 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley 1267 Comment
  UC55252 Image available Eryngium alismifolium Milo S. Baker 1894-8-25 Modoc Egg Lake; ; Egg Lake, Modoc Co. Comment
  JEPS94698  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
  RSA604004  Eryngium articulatum L. C. Wheeler 1935-9-13 3985 Modoc Devil's Garden; Fletcher Creek at Pease Place 1524 Comment
  UC1487310  Eryngium mathiasiae Gregg Riegel 1981-6-10 Modoc N of Canby (along Loveness Road around reservoir) 1524 Comment
  HSC6794  Erysimum capitatum M. T. Milligan 1967-7-8 664 Modoc W slope of Eagle Peak 2439 Comment
  POM95422  Erysimum capitatum Mrs. R. M. Austin, Bruce 1898-06 2252 Modoc Lake City Mt. Comment
  RSA520352  Erysimum capitatum Bruce Bartholomew, B. Anderson 1989-6-3 4897 Modoc Ca 9 km SSW of Timber Mountain. 1370 Comment
  CAS-BOT-BC58337  Erysimum repandum Bruce Bartholomew; Mona Bourell 1990-4-27 5185 Modoc 10.3 km NW of Hwy 299 on Crowder Flat Rd. 1540 Comment
  JEPS5989  Erysimum repandum Frances D. Payne 1932-5-27 410 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  HSC6795  Erysimum repandum M. T. Milligan 1965-6-27 365 Modoc Eroded volcanic plateau W of Jess Valley 1829 Comment
  CAS-BOT-BC229900  Erythranthe breviflora Bruce Bartholomew 1991-7-5 5949 Modoc Coyote Meadow, near the Oregon border. 1580 Comment
  CAS-BOT-BC229902  Erythranthe breviflora Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10552 Modoc Patterson Ranger Station (East Creek drainage). 2164 Comment
  CAS-BOT-BC229903  Erythranthe breweri Annie Montague Alexander; L. Kellogg 1946-7-1 4888 Modoc 0.5 mi. E of Bidwell Creek road summit. Comment
  CAS-BOT-BC229905  Erythranthe breweri Bruce Bartholomew; Barrett Anderson 1990-7-20 5521 Modoc Tamarack Flat, E side of Warner Mts. 2150 Comment
  CAS-BOT-BC229919  Erythranthe guttata R. M. Austin 1894-8-1 s.n. Modoc Lake City Pass. Comment
  CAS-BOT-BC234476  Erythranthe lewisii K. Paulson; Robert Paulson 1988-7-9 71 Modoc Near Poison Lake, Warner Mts.. 2103 Comment
  CAS-BOT-BC234524  Erythranthe lewisii Annie Montague Alexander; L. Kellogg 1946-7-24 5064 Modoc Trail to Emerson Camp, Pear Camp Flat. Comment
  CAS-BOT-BC234528  Erythranthe lewisii Bruce Bartholomew; Barrett Anderson 1988-7-22 4525 Modoc Mill Creek, Lake City Canyon, 5.5 km W of Lake City, E side of the Warner Mts.. 1860 Comment
  CHSC27076  Erythranthe lewisii Robert A. Schlising 1978-7-29 3321 Modoc Warner Mountains, Pine Creek Basin in South Warner Wilderness Area. Comment
  CAS-BOT-BC190756  Eschscholzia californica Bruce Bartholomew; Barrett Anderson 1989-6-3 4917 Modoc 9 km W of County Route 91 along the N side of the Pit River. 1340 Comment
  NY68353  Eunanus austiniae R. M. Austin 1885-1 s.n. Modoc Comment
  CAS-BOT-BC95717  Euphorbia serpillifolia Fred. P. Cronemiller 1920-9-14 17 Modoc Round Valley. 1432 Comment
  CAS-BOT-BC15163  Eurybia integrifolia Roxana Stinchfield Ferris; L. Lorraine 1941-8-14 10592 Modoc Three miles from Patterson Ranger Station on road to Eagleville, Warner Mountains Comment
  CAS-BOT-BC15164  Eurybia integrifolia Annie Montague Alexander; L. Kellogg 1946-8-9 5130 Modoc Patterson Lake Trail, Warner Mountains Comment
  HSC80817  Festuca californica G. M. Riegel 1980-7-16 909 Modoc S Warner Mtn. 1670 Comment
  CAS-BOT-BC247707  Festuca idahoensis Leland S. Smith 1924-6-1 1395 Modoc Lavas W of Egg Lake. 1310 Comment
  CAS-BOT-BC247711  Festuca idahoensis John Thomas Howell 1934-6-30 12293 Modoc Duncan Horse Camp. 1355 Comment
  CAS-BOT-BC247717  Festuca idahoensis John Thomas Howell 1934-7-3 12376 Modoc 5 mi. S of Hackamore. Comment
  HSC80819  Festuca idahoensis G. M. Riegel 1979-8-13 658 Modoc South Warner Mtns. 2100 Comment
  UCD65969  Festuca idahoensis R. Tofsrud 1947-7-1 253 Modoc Between Canby and Adin. Comment
  CAS-BOT-BC278912  Festuca ovina Elmer I. Applegate 1932-8-1 8028 Modoc Summit of Warner Mountains just south of Warren Peak Comment
  CDA2095  Festuca pratensis T. C. Fuller 1958-7-8 2017 Modoc Davis Creek. 0 Comment
  UC1037140  Festuca pratensis Leo Whitney 1935-6-29 3359 Modoc Alturas Comment
  HSC80816  Festuca rubra G. M. Riegel 1979-7-5 492 Modoc S Warner Mtns. 2100 Comment
  UCD66349  Festuca rubra L. Whitney 1935-7-7 3402 Modoc Howard Gulch, 4 miles NW of Canby. Comment
  CAS-BOT-BC179185  Floerkea proserpinacoides C. L. Hitchcock 1940-5-27 6696 Modoc 15 mi. NE of Alturas. 1615 Comment
  NY1101588  Floerkea proserpinacoides C. L. Hitchcock 1940-5-27 6696 Modoc 15 miles northeast of Alturas 1615 Comment
  CAS-BOT-BC217076  Frangula rubra Bruce Bartholomew 1989-7-14 4969 Modoc E side of Lower Roberts Reservoir and ca. 3 km NNE of Lookout. 1300 Comment
  CAS-BOT-BC217078  Frangula rubra Alice Eastwood; John Thomas Howell 1940-6-13 8155 Modoc E side of Fandango Pass. Comment
  NY188595  Frasera albicaulis B. J. Ertter 1988-6-18 7620 Modoc Hwy 139 ca. 50 airmiles SW of Klamath falls, a few miles N of Agric. Inspection station, 1 mi. S of S jct to lava Beds National Monument E of Tonesta. 1310.6 Comment
  CHSC118328  Frasera albicaulis var. modocensis L. P. Janeway 2016-5-19 12097 Modoc Modoc Plateau. Devils Garden area; along Crowder Flat Road (Road 73/48N08) 1.8 road-km south of Road 73/181/47N09; about 1.8 air-km south-southeast of Janes Reservoir. 1548 Comment
  NY189402  Frasera albicaulis var. modocensis B. M. Bartholomew 1989-6-3 4854 Modoc Timber Mountain, ca. 30 km N of State Hwy 299 on Crowder Flat Road. 1550 Comment
  SEINET8584489  Frasera albicaulis var. modocensis M. J. Williams 1988-5-28 88- 19 -4 Modoc Hwy 395, intersection with Davis Creek Road. Comment
  UCR34672  Frasera speciosa J. A. Harpel 1981-8-6 V 38 Modoc Warner Mtns, South Warner Wilderness Area: E end of Patterson Lake, 7 mi NW of Eagleville 2744 Comment
  CAS-BOT-BC242109  Fritillaria atropurpurea Harry Dwight Dillon Ripley; Rupert Charles Barneby 1944-6-1 6002 Modoc Cedar Pass, Warner Mts. 1920 Comment
  CAS-BOT-BC242110  Fritillaria atropurpurea K. Paulson; Robert Paulson 1988-6-11 32 Modoc North of Stough Reservoir, Warner Mts.. 1706 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
  RSA367714  Fritillaria atropurpurea George Willet 1935-6-21 s.n. Modoc Modoc County: Warren Mtns. 2439 Comment
  RSA59801  Fritillaria atropurpurea E. K. Balls 1950-5-17 14735 Modoc Howards Gulch Public Camp, off Hwy. 139. N.W. of Canby. 1433 Comment
  CAS-BOT-BC242102  Fritillaria pudica Leland S. Smith 1917-6-9 36 Modoc Jess Valley. 1524 Comment
  SDSU20641  Fritillaria pudica Sean Ryan, Michael G. Simpson 2010-6-23 65 Modoc North of Hwy 299, NE of Stough Reservoir Campground, 1.3 miles along Forest Road 43N57 from its intersection with Forest Road 43N07, 130 yards SE from road. Clearing surrounded by Juniperus. Warner Mountains. Modoc National Forest. 2087 Comment
  UCD139709  Fritillaria pudica R. N. Raynor 1940-4-13 s.n. Modoc Joseph Creek. Comment
  UCD124909  Galeopsis tetrahit Herbert L. Mason; Verne Grant 1947-7-12 13417 Modoc Near south end of west side road, Pit River Valley, south of Alturas. Comment
  CAS-BOT-BC225042  Galium aparine Bruce Bartholomew; Barrett Anderson 1989-6-3 4880 Modoc Boles Creek, ca. 5.5 km E of the SE corner of Clear Lake Reservoir. 1430 Comment
  CAS-BOT-BC225045  Galium aparine Bruce Bartholomew 1991-6-21 5803 Modoc Vicinity of Lily Lake, N end of the Warner Mountains. 2030 Comment
  JEPS13238  Galium bifolium Rimo Bacigalupi 1955-7-19 5379 Modoc Forest rd. to Mill Cr. Ranger Station (just above and e of Soup Spr. Mdw., southern mts.); Warner Mts., Modoc Nat'l For. 2118 Comment
  UC416661  Galium mexicanum var. asperulum Mrs. M. H. Manning 1904-7-9 488 Modoc John Henry Hill John Henry Hill (ne Modoc Co.) 2133 Comment
  UC748108  Galium multiflorum Annie M. Alexander and Louise Kellogg 1946-7-5 4909 Modoc lava cliff w Lower Lake Comment
  RSA59641  Garrya fremontii E. K. Balls 1950-5-12 14652 Modoc Hillsides north of Bucks Creek Ranger Station, Modoc National Forest, east of Goose Lake. 1860 Comment
  UC412884  Garrya fremontii Belknap C. Goldsmith 1911-6-22 37 Modoc Fandango Creek; Warner Mts., Modoc Forest 1584 Comment
  RSA67245  Gayophytum decipiens P. A. Munz 1951-9-14 16982 Modoc Cedar Pass, Warner Mountains 1921 Comment
  CAS-BOT-BC190851  Gayophytum diffusum subsp. parviflorum Bruce Bartholomew; Barrett Anderson 1988-7-22 4493 Modoc Vicinity of East Creak Trailhead, southern end of the Warner Mts. 2210 Comment
  HSC16401  Gayophytum racemosum M. T. Milligan 1964-6-20 68 Modoc 4 mi. E of Hwy. 395 on Hwy. 299 1524 Comment
  CAS-BOT-BC190817  Gayophytum ramosissimum Elmer Ivan Applegate 1937-5-12 11084 Modoc Lyon road near north entrance, Lava Beds National Monument. Comment
  CAS-BOT-BC180114  Gentiana affinis var. ovata Bruce Bartholomew 1989-8-12 5106 Modoc ca. 3.2 airline miles W of Patterson Ranger Station on road to Jess Valley. 2060 Comment
  UC405416  Gentiana affinis var. ovata Mrs. R. M. Austin Aug., 1894 96 Modoc headwaters Lassen Creek Comment
  UC566922  Gentiana affinis var. ovata F. H. Frost 1925-7-27 169 Modoc Clear Lake Warner Mts. Comment
  CAS-BOT-BC180116  Gentiana calycosa R. M. Austin 1894-9-1 1894 Modoc Lassen Creek. Comment
  CHSC116075  Geranium carolinianum Lowell Ahart; John Dittes 2015-7-16 20395 Modoc North edge of Ash Creek (destroyed), southeast of the gravel pit (destroyed), about 1/8 mile east of the parking area on the east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  JEPS61436  Geranium viscosissimum Leland S. Smith 1918-7-21 1002 Modoc Blue Lake Modoc Forest 1828 Comment
  SJSU9691  Geranium viscosissimum W. Savage 1979-7-24 1558 Modoc Long Meadow Unit, Devils Garden Ranger District, Modoc National Forest 1615 Comment
  RSA0029592  Geranium viscosissimum var. nervosum C. L. Hitchcock 1940-5-27 6703 Modoc 15 miles NE of Alturas. 1677 Comment
  CAS-BOT-BC214676  Geum triflorum Barrett Anderson 1986-7-9 3139 Modoc Roney Flat Rd just off Hwy 299. 1435 Comment
  CAS-BOT-BC214678  Geum triflorum Bruce Bartholomew; Barrett Anderson 1988-5-12 4131 Modoc Ca. 13 km NNE of Adin on State Highway 229 at turnoff to Higgins Flat on USFS road 41N11. 1440 Comment
  HSC18642  Geum triflorum M. T. Milligan 1967-7-8 665 Modoc W slope of Eagle Peak 2439 Comment
  UC1299119  Geum triflorum Freed W. Hoffman 1946-5-30 681 Modoc along Highway 86 not far from Canby Comment
  UC1536916  Geum triflorum Gordon H. True Jr. 1938-5-25 916 Modoc Adin Summit 1524 Comment
  CAS-BOT-BC190706  Gilia brecciarum subsp. brecciarum Elmer Ivan Applegate 1936-5-12 10284 Modoc Top of Petroglyph Butt, Lava Bed National Monument. Comment
  SEINET201592  Gilia capillaris Arthur Cronquist, Athur H. Holmgren 1959-6-20 8522 Modoc Drying swale along intermittent streamlet at Cedarville Pass; Warner Mts. between Cedarville and Alturas 19 Comment
  CAS-BOT-BC190696  Gilia inconspicua Leland S. Smith 1919-5-18 1098 Modoc Plateau S Fitzhugh Creek - Likely road. 1524 Comment
  CAS-BOT-BC190694  Gilia inconspicua Elmer Ivan Applegate 1935-6-7 9395 Modoc Thomas Massacre area, Lava Beds National Monument. Comment
  NY964515  Gilia leptomeria var. micromeria B. M. Bartholomew 1990-6-17 5336 Modoc Surprise Valley, SE corner of Upper Alkali Lake. 1390 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
  CAS-BOT-BC190657  Gilia modocensis Elmer I. Applegate 1936-5-9 10259 Modoc Lave Beds National Monument, Hippo Butte. Comment
  RSA104288  Gilia modocensis Verne Grant, Alva Grant 1956-5-18 9804 Modoc area between Likely and Jess Valley (Type locality of G. modocensis Eastw.). 1524 Comment
  CAS-BOT-BC190661  Gilia salticola Bruce Bartholomew 1991-6-22 5844 Modoc E side of Surprise Valley, 9.6 km E of Eagleville at the Nevada border. 1520 Comment
  CAS-BOT-BC190667  Gilia sinistra subsp. sinistra Bruce Bartholomew; Barrett Anderson 1990-7-21 5588 Modoc Bear Flat, W side of Warner Mts. Ranger Station, er Station, E side of Warner Mts. 1830 Comment
  CAS-BOT-BC190670  Gilia sinistra subsp. sinistra Bruce Bartholomew 1991-7-6 5970 Modoc Service Gulch, 4.3 km W of County Road 91 on Forest Service road 42N03. 1330 Comment
  CAS-BOT-BC190673  Gilia sinistra subsp. sinistra Louis Cutter Wheeler 1935-8-13 3833 Modoc Barnes Creek, Warner Mts. 1828 Comment
  CAS-BOT-BC190675  Gilia sinistra subsp. sinistra Clare Butterworth Hardham 1961-6-18 7815 Modoc Cedar Pass. Comment
  CAS-BOT-BC49574  Gnaphalium palustre Bruce Bartholomew; Barrett Anderson 1990-7-19 5431 Modoc Sweagert Flat. 1860 Comment
  JEPS33989  Gnaphalium palustre W. L. Jepson 1918-8-12 7951 Modoc Jess Valley 1584 Comment
  HSC5710  Gnaphalium palustre M. T. Milligan 1964-8-21 230 Modoc S end of Dorris Reservoir Dam 1372 Comment
  CAS-BOT-BC242180  Goodyera oblongifolia Bruce Bartholomew 1994-7-3 6827 Modoc Field redacted by CAS, contact the data manager for more information 1610 Comment
  POM312577  Gratiola neglecta H. L. Mason, Verne Grant 1947-7-12 13393 Modoc Irrigation ditch by Jones' Lane, off Hwy 395, several miles S of Alturas. Comment
  RSA0045635  Gratiola neglecta Lowell Ahart, John Dittes 2008-6-21 14993 Modoc North of the large culvert, east of the large levee, in Big Valley, about 2.8 miles (air) north of the Headquarters at Ash Creek State Wildlife Area,, about 5.4 miles (air) northeast of Bieber. 1255 Comment
  JEPS117171  Grindelia hirsutula Lowell Ahart, John Dittes 2010-8-30 17069 Modoc In a large vernal pool, about 5 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
  CHSC112840  Grindelia nana Lowell Ahart; John Dittes 2013-7-25 18963 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
  SFV18057  Grindelia nana J. A. Matos, D. C. Rudolph 1999-8-7 s. n. Modoc 1 mile east of Siskiyou county line along Lava Beds National Monumemt Road. 1310 Comment
  CAS-BOT-BC54090  Hackelia cusickii Barbara Trowbridge; D. Toren 1975-6-20 5140 Modoc Fandango Pass. 1828 Comment
  CAS-BOT-BC54091  Hackelia cusickii K. Paulson; Robert Paulson 1989-5-21 116 Modoc Crowder Flat Road, Devil's Garden. 1341 Comment
  CAS-BOT-BC54095  Hackelia cusickii M. M. Hanna 1956-6-7 1019 Modoc Hwy 139 between Canby and Tienesta. Comment
  CAS-BOT-BC54096  Hackelia cusickii Bruce Bartholomew; Mona Bourell 1990-4-28 5209 Modoc 4.3 km SE of Rush Creek on road to Hunters Ridge. 1550 Comment
  CAS-BOT-BC54098  Hackelia cusickii E. S. Willits 1940-5-20 278 Modoc Between Perez and Canby. Comment
  JEPS86311  Hackelia micrantha Jack and Betty Guggolz 1988-6-28 959 Modoc groves w of Jenkins Spring Comment
  SEINET11841732  Helianthella californica var. nevadensis A. Seneres, Harold, N. 1983-1 109 Modoc southern section of Warner Mountains Comment
  POM261369  Helianthus cusickii H. C. Cantelow 1940-5-31 s.n. Modoc 3 miles east of Canby Comment
Read comments Jul 31 2007
  JEPS19752  Helianthus cusickii Rimo Bacigalupi with S. Galen Smith 1957-6-28 5986 Modoc on road cut along U.S. Hwy 299 2 mi e (S.P) railroad crossing 1310 Comment
  RSA795597  Hemizonia lobbii L. Ahart, John Dittes 2010-8-30 17059 Modoc Large vernal pool, about 5 yards east of the fence, south edge of the meadow, Ash Creek State Wildlife Area, 2300 feet north of Lassen County Line, about 3.6 air miles west of Adin, about 8.0 air miles northeast of Bieber, Big Valley. 1268 Comment
  CAS-BOT-BC21463  Heracleum lanatum Bruce Bartholomew 1995-7-31 7126 Modoc 6.3 km from Forest Service road 46N30 on Forest Service road 45N34, W side of Warner Mountains. 1920 Comment
  CAS-BOT-BC21464  Heracleum lanatum Bruce Bartholomew; Barrett Anderson 1990-7-20 5542 Modoc Buck Creek between Del Pratt Spring and Howard Flat, W side of Warner Mts. 1990 Comment
  CAS-BOT-BC180041  Hesperochiron californicus R. M. Austin 1894-1-1 Modoc Goose Lake Valley. Comment
  CAS-BOT-BC180047  Hesperochiron californicus E. S. Willits 1940-5-4 213 Modoc Willow Ranch. Comment
  CAS-BOT-BC180031  Hesperochiron pumilus Francis Dorris Payne 1932-7-1 659 Modoc Pine Creek Basin. Comment
  CAS-BOT-BC179171  Hesperolinon micranthum B. Bartholomew 1991-7-4 5927 Modoc Vicinity of Pine Spring between Miller Gulch and Twin Lakes. 1420 Comment
  CAS-BOT-BC179182  Hesperolinon micranthum B. Bartholomew; Barrett Anderson 1988-6-23 4224 Modoc 2.1 km SSE of Day on the road to State Highway 299. 1020 Comment
  UC1212250  Hesperolinon micranthum Helen K. Sharsmith 1955-6-25 4506 Modoc n slope Jess Valley; Warner Mountains, Modoc National Forest 1584 Comment
  CAS-BOT-BC179169  Hesperolinon micranthum Mrs. R. M. Austin 1894-8-1 Modoc Hills, Lassen Creek. Comment
  RSA503053  Hesperolinon micranthum Bruce Bartholomew, B. Anderson 1988-6-23 4224 Modoc 2.1 km SSE of Day on the road to State Highway 299. 1020 Comment
  RSA91388  Hesperolinon micranthum F. W. Peirson 1926-6-25 6858 Modoc Cedarville road about 10 miles east of Altura. Comment
  UC17266  Hesperolinon micranthum Baker Modoc Little Hot Spring Valley Comment
  CAS-BOT-BC225792  Heuchera cylindrica Elmer Ivan Applegate 1932-7-9 7591 Modoc N slope of Bidwell Mountain, Warner Mts. Comment
  CAS-BOT-BC225795  Heuchera cylindrica Louis Cutter Wheeler 1935-8-7 3804 Modoc Pine Creek, Warner Mts. 1554 Comment
  CAS-BOT-BC225800  Heuchera cylindrica Bruce Bartholomew 1995-8-1 7161 Modoc Bidwell Mtn., E side of the Warner Mountains. 2150 Comment
  NY541343  Heuchera cylindrica B. M. Bartholomew 1995-8-1 7161 Modoc Bidwell Mountain, east side of the Warner Mountains 2150 Comment
  UC71820  Heuchera cylindrica var. ovalifolia Mrs. M. H. Manning 1903-7-1 274 Modoc Mill Canyon 1676 Comment
  CAS-BOT-BC49513  Hieracium albiflorum Bruce Bartholomew; Barrett Anderson 1990-7-19 5419 Modoc Top of Hunters Ridge S of Rush Creek. 1960 Comment
  POM35555  Hieracium albiflorum Mrs. R. M. Austin 1895-07 569 Modoc Goose Lake Valley. Comment
  UC566692  Hieracium albiflorum F. H. Frost 1925-7-24 137 Modoc Jess Valley Warner Mountains Comment
  UC194095  Hieracium nudicaule Milo S. Baker Jul 3 1893-Jan 1 1900 Modoc Comment
  CAS-BOT-BC49514  Hieracium scouleri John Thomas Howell 1934-6-11 11955 Modoc Parker Creek, Warner Mountains 1584 Comment
  CHSC38986  Hieracium scouleri J. D. Jokerst 1983-6-18 1860 Modoc Forest adjacent to meadow. 0.4 miles south of Crowder Flat on forest service road 73. Comment
  HSC68937  Hieracium scouleri Gary Schoolcraft 1979-8-9 173 Modoc Above Ten Mile Creek area N of Fort Bidwell 1829 Comment
  CAS-BOT-BC214690  Holodiscus microphyllus var. glabrescens Annie Montague Alexander; L. Kellogg 1946-7-23 5061 Modoc Emerson Peak, Warner Mts. Comment
  CAS-BOT-BC214693  Holodiscus microphyllus var. glabrescens K. Paulson; Robert Paulson 1991-8-10 252 Modoc Near Manzanita Lookout. 2065 Comment
  CAS-BOT-BC214699  Holodiscus microphyllus var. glabrescens Bruce Bartholomew 1990-8-4 5626 Modoc Slope on NE side of Pine Creek Basin on trail to Patterson Lake, W side of Warner Mts. 2520 Comment
  CAS-BOT-BC214700  Holodiscus microphyllus var. glabrescens John Thomas Howell 1934-6-13 12068 Modoc Fandango Pass, Warner Mts. 1828 Comment
  CAS-BOT-BC214703  Holodiscus microphyllus var. glabrescens Alice Eastwood; John Thomas Howell 1940-6-12 8062 Modoc Between Likely and Jess Valley. Comment
  CAS-BOT-BC214705  Holodiscus microphyllus var. glabrescens Bruce Bartholomew; Barrett Anderson 1988-7-22 4488 Modoc Vicinity of East Creak Trailhead, southern end of the Warner Mts. 2210 Comment
  CDA14600  Holodiscus microphyllus var. glabrescens G. D. Barbe 1991-8-27 4440 Modoc Warner Mountains; Windswept ridge east of Bald Mountain, Modoc National Forest. 2316 Comment
  RSA59360  Holodiscus microphyllus var. glabrescens E. K. Balls 1950-5-20 14813 Modoc South Fork Public Camp, South Fork Pit River, Likely to Clear Lake. 1433 Comment
  HSC10150  Hordeum brachyantherum M. T. Milligan 1966-7-3 540 Modoc Slopes and ridges E of Jess Valley 1829 Comment
  CAS-BOT-BC247686  Hordeum brachyantherum subsp. brachyantherum John H. Hatton 1911-6-20 122 Modoc unspecified Comment
  CAS-BOT-BC247688  Hordeum brachyantherum subsp. brachyantherum Bruce Bartholomew 1991-6-23 5873 Modoc W side of Ingall Swamp, Devil's Garden. 1510 Comment
  JEPS74021  Hordeum jubatum Frances D. Payne 1932-7-20 715 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  RSA602385  Hordeum jubatum L. C. Wheeler 1935-8-2 3743 Modoc Dismal Swamp, Twenty Mile Creek; Warner Mountains 2226 Comment
  UCR136427  Hordeum jubatum var. caespitosum Beecher Crampton 1954-7-7 2160 Modoc Modoc Plateau, 2.5 miles east of Alturas, near radio station KCNO 1341 Comment
  UCD85773  Hordeum marinum subsp. gussoneanum A. A. Beetle 1941-6-29 2839 Modoc Near summit of Mt. Adin. 1828 Comment
  JEPS113064  Horkelia fusca var. brownii Roy Buck 1987-6-6 666 Modoc at end of road just W of Egg Lake Comment
  CAS-BOT-BC214709  Horkelia fusca var. pseudocapitata R. M. Austin 1895-7-1 500 Modoc Willow Creek, Devil's Garden. Comment
  CAS-BOT-BC214712  Horkelia fusca var. pseudocapitata Roxana Stinchfield Ferris; L. Lorraine 1941-8-14 10586 Modoc 3 mi. from Patterson Ranger Station on road to Eagleville. Comment
  CAS-BOT-BC214715  Horkelia tridentata K. Paulson 1978-6-24 s.n. Modoc Curtis Water Hole. Comment
  UC73032  Horkelia tridentata subsp. tridentata Milo S. Baker 1893-1 Modoc Lava Beds Comment
  CAS-BOT-BC181962  Hosackia crassifolia Annie Montague Alexander; L. Kellogg 1946-7-7 4938 Modoc Eight Mile Creek, NE corner of county. 1752 Comment
  CAS-BOT-BC181965  Hosackia crassifolia Leland S. Smith 1922-6-23 1253 Modoc Ballard's Mill. 1432 Comment
  UCSB27161  Hydrophyllum capitatum Wilken, Dieter 1969-7-28 Modoc Mill Creek Falls near Clear Lake; east of Likely; Warner Mtns. 1767 Comment
  CAS-BOT-BC179320  Hydrophyllum capitatum var. alpinum Fred D. Douthitt 1916-4-24 6 Modoc So. Jess Valley. 1524 Comment
  CAS-BOT-BC179322  Hydrophyllum capitatum var. alpinum Annie Montague Alexander; L. Kellogg 1946-7-24 5077 Modoc Bear Camp Flat. 2286 Comment
  CAS-BOT-BC179323  Hydrophyllum capitatum var. alpinum Bruce Bartholomew; Barrett Anderson 1988-5-12 4099 Modoc White Horse. 1340 Comment
  CAS-BOT-BC179329  Hydrophyllum capitatum var. alpinum M. M. Hanna 1956-6-5 963 Modoc Cedar Pass Camp ground. Comment
  CAS-BOT-BC179331  Hydrophyllum capitatum var. alpinum Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16407 Modoc Cedar Pass Campground, 3 mi. E of Thoms Creek bridge. Comment
  CAS-BOT-BC180022  Hydrophyllum capitatum var. alpinum Elmer Ivan Applegate 1932-8-2 8092 Modoc Mill Creek Meadows, western slope of Warner Mts. Comment
  CAS-BOT-BC180029  Hydrophyllum capitatum var. alpinum Betty J. Hammerly 1941-6-20 28 Modoc Along Clear Lake, S end of Warner Mts. Comment
  CHSC30635  Hydrophyllum capitatum var. alpinum NEH Prouty 1980-6-2 170 Modoc Modoc National Forest, Warner Mt District Sheep Rock T. S. Comment
  RSA77052  Hydrophyllum capitatum var. alpinum F. W. Peirson 1926-6-25 6875 Modoc small side canyon on Cedarville road 1 mile W of summit of Warner Mts. Comment
  UC1005251  Hydrophyllum capitatum var. alpinum Rolf Y. Berg 1955-6-22 Modoc w of Cedarville (Cedar Pass Campground); Modoc National Forest Comment
  UC748438  Hydrophyllum capitatum var. alpinum Annie M. Alexander and Louise Kellogg 1946-6-8 4704 Modoc road from Eagleville to Patterson Mill (near 3 mi Ranger Station sign) 2225 Comment
  CAS-BOT-BC180023  Hydrophyllum capitatum var. alpinum John H. Hatton 1911-6-10 16 Modoc Modoc County. 1767 Comment
  HSC13547  Hydrophyllum capitatum var. alpinum M. T. Milligan 1964-5-17 30 Modoc 4 mi. N of Hwy. 299 on Big Sage Road 1524 Comment
  POM98604  Hydrophyllum capitatum var. alpinum F. W. Peirson 1926-6-25 6875 Modoc Cedarville Road, Warner Mountains. Comment
  UC24084  Hydrophyllum capitatum var. alpinum Milo S. Baker 1893-1 Modoc Comment
  JEPS5987  Hymenoxys hoopesii Frances D. Payne 1931-6-29 308 Modoc e slope of Warren Peak; Warner Mountains, Warren Peak 2286 Comment
  UC748090  Hymenoxys hoopesii Annie M. Alexander and Louise Kellogg 1946-8-3 5114 Modoc head Eagle Creek; Warner Mountains Comment
  SEINET10720072  Hypericum anagalloides Louis C. Wheeler Wheeler 3954 Modoc McGinty Reservoir, Devil's Garden. S29, T46N, R13E 1463 Comment
  CAS-BOT-BC179892  Hypericum scouleri Leland S. Smith 1922-7-24 1314 Modoc Rush Creek Ranger Station pasture. 1905 Comment
  CAS-BOT-BC179895  Hypericum scouleri Bruce Bartholomew 1994-7-1 6772 Modoc Turner Creek adjacent to Forest Service road 42N21. 1470 Comment
  CAS-BOT-BC179102  Iliamna bakeri Edward Kent Balls; Percy C. Everett 1952-10-11 20958 Modoc 0.2 mi. SE of crest of Fandango Pass. 1859 Comment
  CAS-BOT-BC179103  Iliamna bakeri Alice Eastwood; John Thomas Howell 1940-6-14 8242 Modoc Between Mammoth Cave and Lava Beds Nat. Mon. Comment
  UC194968  Ipomopsis aggregata W. P. Taylor and H. C. Bryant 1910-6-25 Modoc Parker Creek Warner Mtns 1676 Comment
Read comments Apr 26 2007
  CAS-BOT-BC190651  Ipomopsis aggregata subsp. aggregata Robert Patterson; Mona Bourell 1993-8-15 5240 Modoc Warner Mountains. Along trail from Patterson Lake to ca. 2 mi north towards Pepperdine Trailhead. 2743 Comment
  HSC80879  Ipomopsis congesta G. M. Riegel 1980-8-9 1021 Modoc S Warner Mtns. 1829 Comment
  UC23471  Ipomopsis congesta Milo S. Baker 1893-8-10 Modoc 1219 Comment
  SJSU8827  Ipomopsis congesta subsp. montana H. L. Buckalew 1961-7-1 Modoc lower slopes Cedar Mt, Warner Mts 2194 Comment
  CAS-BOT-BC245099  Iris missouriensis E. S. Willits 1940-5-18 275 Modoc Willow Ranch. 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
  UC4306  Iris missouriensis Milo S. Baker 1893-6-30 Modoc Egg Lake shore; Egg Lake Comment
  CHSC112817  Isatis tinctoria Lowell Ahart; John Dittes 2013-7-25 18962 Modoc 30 yards north of the east-west fence, south edge of Ash Creek Floodplain, northeast of Patterson Homestead, east of Elkins Lane, 1.0 mile (air) south of County Road 87, 3.14 miles (air) west of Adin, Big Valley. 1267 Comment
  JEPS89838  Isoetes bolanderi Dean W. Taylor 1992-5-8 12571 Modoc ca. 1.5 air mi. s. of Oregon State Line Pine Creek Canyon; Warner Mts., Pine Creek Canyon 1554 Comment
  UCR64880  Iva axillaris George K. Helmkamp 1990-9-23 H- 01 Modoc US Hwy 395, 13 mi north of Likely 1345 Comment
  HSC5875  Iva axillaris M. T. Milligan 1964-8-8 213 Modoc Corner of East D and 8th Street, Alturas 1372 Comment
  CAS-BOT-BC49490  Iva axillaris subsp. robustior Bruce Bartholomew; Barrett Anderson 1990-7-20 5452 Modoc Margin of Goose Lake at S end of the causeway to McGinty Point. 1440 Comment
  UC1192143  Iva axillaris subsp. robustior Herbert L. Mason and Verne Grant 1947-7-10 13344 Modoc 2 mi e of Alturas; Dorris Reservoir Comment
  JEPS91215  Ivesia baileyi var. beneolens Dean Wm. Taylor with Glenn L. Clifton 1990-6-25 11164 Modoc Cedar Pass, growing on steep cliffs of volcanic breccia, northerly slopes of Peak 7298 2148 Comment
  JEPS91217  Ivesia gordonii Dean Wm. Taylor with Glenn L. Clifton 1989-8-5 10464 Modoc Warner Mountains, steep northeast face Eagle Peak 2880 Comment
  UC1573169  Ivesia gordonii Dean Wm. Taylor with Glenn L. Clifton 1989-8-5 10464 Modoc summit ridge Eagle Peak; Warner Mountains 3002 Comment
  UC748065  Ivesia gordonii Annie M. Alexander and Louise Kellogg 1946-8-9 5140 Modoc Patterson Lake Trail; Warner Mountains Comment
  CAS-BOT-BC123373  Ivesia gracilis Newberry 1855-1-1 s.n. Modoc on the shores of Rhett (Tule) Lake Comment
  JEPS67049  Juncus Frances D. Payne 1932-6-24 586 Modoc s and e of Alturas; Warner Mountains, Parker Creek 1584 Comment
  UC70011  Juncus balticus Mrs. M. H. Manning Aug 1904 442 Modoc ne Modoc County Comment
  CAS-BOT-BC245076  Juncus balticus subsp. ater John H. Hatton 1911-6-16 100 Modoc unspecified 1371 Comment
  CAS-BOT-BC245078  Juncus balticus subsp. ater John H. Hatton 1911-6-12 53 Modoc unspecified 1463 Comment
  UC1101046  Juncus bufonius var. congestus Herbert L. Mason 1947-8-13 13532 Modoc n of Canby (ne side of F reservoir) Comment
  CHSC31497  Juncus ensifolius N. E. H. Prouty 1980-8-6 213 Modoc Modoc Nat. Forest. Meadow on southern bank of North Fork Pine Creek. 1524 Comment
  JEPS119967  Juncus ensifolius Lowell Ahart, John Dittes 2012-7-12 18369 Modoc About 1/8 mile east of the parking area on the east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. Comment
  UC70010  Juncus longistylis Mrs. M. H. Manning August 1904 441 Modoc ne Modoc County Comment
  UCD141571  Juncus longistylis L. S. Smith 1918-6-23 s.n. Modoc Lily Lake. High Grade District. 1981 Comment
  UCR34737  Juncus mertensianus J. A. Harpel 1981-8-6 V 5 Modoc Warner Mtns, South Warner Wilderness Area: E end of Patterson Lake, 7 mi NW of Eagleville 2744 Comment
  UC1587051  Juncus nevadensis G. Schoolcraft 1991-7-25 2190 Modoc about 1.5 mi w Canby 1325 Comment
  UCR70887  Juncus orthophyllus George Willet 1935-6-14 s.n. Modoc 4 mi east of Likely 1524 Comment
  CHSC109504  Juncus parryi L. P. Janeway; B. Castro 2012-7-24 10971 Modoc Warner Mountains. Moonlight Mine, along Road 48N21 1.6 air km southwest of Dismal Swamp. 2328 Comment
  CAS-BOT-BC10597  Juncus tiehmii Alice Eastwood; John Thomas Howell 1940-6-13 8111 Modoc Surprise. Comment
  SEINET4856379  Juncus trilocularis Louis C. Wheeler 1935-9-23 4001 Modoc Modoc NF: Pease Flat; Devil's Garden. 1524 Comment
  CAS-BOT-BC81200  Juniperus occidentalis Florence Angwin 1946-5-4 s.n. Modoc Adin Comment
  CAS-BOT-BC81201  Juniperus occidentalis Florence Angwin 1946-5-4 s.n. Modoc Adin Comment
  CAS-BOT-BC81208  Juniperus occidentalis Elmer I. Applegate 1932-7-6 8206 Modoc Cedarville, Surprise Valley, at east base Warner Mountains Comment
  HSC26492  Juniperus occidentalis J. P. Smith, J. O. Sawyer 1972-5-6 5264 Modoc FS road to Quail Spring at Hwy. 299, N of Adin 1463 Comment
  HSC80923  Juniperus occidentalis G. M. Riegel 1979-8-13 655 Modoc S Warner Mtns. 1670 Comment
  POM337227  Juniperus occidentalis var. occidentalis F. R. Fosberg 1957-8-18 38855 Modoc Upper Rush Creek Camp Ground, northeast of Adin. 1600 Comment
  RSA6220  Juniperus occidentalis var. occidentalis Elmer I. Applegate 1932-7-9 7622 Modoc Big Grade, Fandango Pass. Goose Lake side Comment
  CAS-BOT-BC95669  Kalmia polifolia Leland S. Smith 1917-9-16 159 Modoc Lassen Creek. 2133 Comment
  CAS-BOT-BC95670  Kalmia polifolia K. Paulson; Robert Paulson 1989-7-14 188 Modoc Vicinity of Bell Mine, N end of the Warner Mts. 2194 Comment
  CAS-BOT-BC95675  Kalmia polifolia Bruce Bartholomew; Barrett Anderson 1988-6-24 4345 Modoc Vicinity of Blue Bell Mine between Lily Lake and and Fort Bidwell on County Road 2, Warner Mts.. 2190 Comment
  CAS-BOT-BC95676  Kalmia polifolia Bruce Bartholomew 1995-7-31 7113 Modoc Upper reaches of Goose Creek, E side of the Warner Mountains. 2160 Comment
  HSC80759  Kelloggia galioides G. M. Riegel 1979-7-27 603 Modoc S Warner Mtns. 1670 Comment
  UCD85661  Koeleria macrantha A. A. Beetle 1941-6-29 2842 Modoc 10 miles W of Alturas, road to Cedarville. Comment
  UCD85783  Koeleria macrantha Beecher Crampton 1960-6-17 5683 Modoc 5 miles south of Perez, Plant Quarantine Station area. 1371 Comment
  UCD85814  Koeleria macrantha August L. Hormay 1932-7-14 s.n. Modoc D.D. plot site. Comment
  UC76026  Kyhosia bolanderi Milo S. Baker Modoc Forestdale Comment
  UC71919  Lactuca serriola Mrs. M. H. Manning 253 Modoc near Fort Bidwell (ne Modoc County) Comment
  CDA7518  Lactuca tatarica subsp. pulchella T. C. Fuller 1958-7-8 2029 Modoc Davis Creek. 0 Comment
  JEPS6030  Lagophylla ramosissima Frances D. Payne 1931-6-18 192 Modoc s and e of Alturas Parker Creek; Warner Mountains 1584 Comment
  CAS-BOT-BC497215  Lagophylla ramosissima Margaret J. Williams; Arnold Tiehm; Jan Nachlinger 1988-6-2 88- 28 -8 Modoc Jess Valley, E of Likely, S of roadside rest Comment
  CAS-BOT-BC49495  Lagophylla ramosissima subsp. ramosissima Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16375 Modoc Junction of Cedar Pass road and Hwy 299, 5.5 mi. N of Alturas Comment
  CAS-BOT-BC49496  Lagophylla ramosissima subsp. ramosissima Margaret J. Williams 1983-9-13 83- 151 -2 Modoc Roadsides from Alturas to Cedarville, 3.8 mi. W of Cedar Pass, 6.7 mi. from jct. of Hwy 299 and Cedarville Road 1554 Comment
  CHSC110887  Lagophylla ramosissima subsp. ramosissima Lowell Ahart; John Dittes 2012-7-12 18376 Modoc On the east side of Elkins Lane, about 100 yards north of the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1262 Comment
  CHSC85167  Lagophylla ramosissima subsp. ramosissima John Dittes; Josephine Guardino 1991-8-23 447 Modoc Modoc Plateau; Big Valley; Ash Creek Wildlife Area; ca. 7.7 air-miles northeast of Bieber, ca. 4.0 air-miles west by southwest of Adin, ca. 5.0 air-mile east by southeast of Pilot Butte summit, ca. 0.6 mile east of Walters Road and Owl Barn; meadow at southern edge of Ash Creek Floodplain. 1271 Comment
  CAS-BOT-BC179874  Lamium amplexicaule Leland S. Smith 1919-5-7 1093 Modoc Jess Valley-Clarke Ranch. 1676 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-BC181983  Lathyrus brownii K. Paulson; Robert Paulson 1989-5-8 111 Modoc Howard's Gulch, along Hwy 139. 1371 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
  RSA245208  Lathyrus pauciflorus subsp. brownii D. H. Norris, T. Nelson, S. Dowty, B. Norris 1971-6-23 19472 Modoc At Upper Rush Creek Campground about 8 miles north of Adin on Highway 299. Comment
  CHSC77212  Lathyrus rigidus G. Schoolcraft 1998-5-19 2710 Modoc Hwy 395 about 9.5 mi. N of Davis Creek. 1524 Comment
  NY716854  Lathyrus rigidus C. L. Hitchcock 1950-5-27 19225 Modoc Ca. 20 miles north of Alturas Comment
  CAS-BOT-BC497200  Lathyrus rigidus G. Schoolcraft 1998-5-19 2710 Modoc Hwy 395 about 9.5 mi N of Davis Creek 1524 Comment
  POM260869  Layia glandulosa subsp. glandulosa Alice Eastwood, J. T. Howell 1940-6-14 8247 Modoc Between Mammoth Cave and Lava Beds National Monument. Comment
  UC1536818  Lemna minor Gordon H. True Jr. 1939-7-6 1002 Modoc Gooch Swamp near Lookout; Gooch Swamp Comment
  JEPS408  Lemna trisulca W. L. Jepson 1918-8-10 7929 Modoc Alturas 1371 Comment
  CAS-BOT-BC88679  Lepidium acutidens Alice Eastwood; John Thomas Howell 1940-6-11 8019 Modoc Near Canby. Comment
  JEPS114370  Lepidium appelianum Lowell Ahart, John Dittes 2008-8-25 15287 Modoc On the west bank of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout 1273 Comment
  CAS-BOT-BC58665  Lepidium chalepense Bruce Bartholomew 1991-6-20 5772 Modoc Just N of Lassen County line on county road 90. 1220 Comment
  CAS-BOT-BC58666  Lepidium chalepense K. Paulson; Robert Paulson 1991-7-13 239 Modoc Near Bear Flat Road, southern Warner Mountains. 2164 Comment
  CHSC85096  Lepidium perfoliatum John Dittes; Josephine Guardino 1991-6-1 347 Modoc Modoc Plateau; Big Valley; Ash Creek Wildlife Area; ca. 7.7 air-miles northeast of Bieber, ca. 4.0 air-miles west by southwest of Adin, ca. 5.0 air-mile east by southeast of Pilot Butte summit, ca. 0.6 mile east of Walters Road and Owl Barn; meadow at southern edge of Ash Creek Floodplain. 1271 Comment
  HSC95687  Lepidium perfoliatum Juha Pykala, D. H. Norris 1987-5-28 1210 Modoc Surprise Valley, E of Cedarville, Hwy. 299 across Middle Alkali Lake 1363 Comment
  SEINET5512248  Leptodactylon pungens var. hookeri J. C. Beatley 1964-1 Modoc Tule Lake area 1829 Comment
  POM229970  Leptosiphon harknessii L. C. Wheeler 1935-8-16 3868 Modoc Dismal Swamp, Twenty Mile Creek. Warner Mountains. Mt. Diablo Mer. 2226 Comment
  SJSU8682  Leptosiphon septentrionalis W. Savage 1979-7-5 1380 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  CHSC70483  Leucocrinum montanum A. Sanger 1994-5-10 2454 Modoc Just E on Hwy. 299 past Hwy 395, top steep cutbank. 1389 Comment
  JEPS43176  Lewisia nevadensis Frances D. Payne 1929-7-7 60 Modoc 2 mi sw Warren Peak (Pine Creek Basin); Warner Mts., Pine Creek Basin 2133 Comment
  UC7804  Lewisia nevadensis Milo S. Baker 1893-6-15 Modoc 1371 Comment
  CAS-BOT-BC444400  Lewisia rediviva Francis Dorris Payne 1929-6-23 25 Modoc Parker Creek, Warner Mts. 1584 Comment
  JEPS43175  Lewisia rediviva Frances D. Payne 1929-6-23 25 Modoc Parker Creek Warner Mountains, Parker Creek 1584 Comment
  POM203132  Leymus cinereus J. T. Howell 1934-6-30 12275 Modoc Duncan Horse Camp. Comment
  JEPS68585  Leymus triticoides W. L. Jepson 1918-8-11 7937 Modoc Jess Valley 1371 Comment
  UC536901  Leymus triticoides Frances Payne 782 Modoc Warner Mts. Comment
  UCD32734  Leymus triticoides Beecher Crampton 1954-7-8 2179 Modoc Modoc County, Warner Mountains, 15 miles east of Likely, along road to Jess Valley. 1676 Comment
  CAS-BOT-BC436039  Ligusticum grayi Elmer I. Applegate 1932-8-2 8077 Modoc Mill Creek Meadows, western slope of Warner Mountains Comment
  JEPS114832  Lilaea scilloides Lowell Ahart, John Dittes 2008-6-21 14999 Modoc in the drying pond, N of the large culvert, E of the large levee, in Big Valley, about 2.8 mi (air)N of the Headquarters at Ash Creek State Wildlife Area, about 5.4 mi (air) NE of Bieber 1255 Comment
  NY1012637  Linanthus harknessii A. J. Cronquist 1959-6-20 8527 Modoc Cedarville Pass; Warner Mountains between Cedarville and Alturas 1920.2 Comment
  UC1178811  Linanthus septentrionalis Herbert L. Mason 1947-7-8 13307 Modoc Cedar Pass, summit of Warner Mountains Warner Mountains 1921 Comment
  CDA6366  Linaria vulgaris T. C. Fuller 1960-7-27 4876 Modoc Lassen Creek, near Sugar Hill Planting. 0 Comment
  CAS-BOT-BC179153  Linum lewisii M. M. Hanna 1956-6-4 955 Modoc Cedar Pass. Comment
  CAS-BOT-BC179155  Linum lewisii Ethel S. Willits 1940-6-5 325 Modoc Canby. Comment
  CAS-BOT-BC179159  Linum lewisii Roxana Stinchfield Ferris; R. Duthie 1919-6-14 96 Modoc Above Parker Cr., 1 mi. above Modoc Nat. Forest Boundary. Comment
  CAS-BOT-BC179160  Linum lewisii B. Bartholomew; Barrett Anderson 1988-6-24 4314 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-BC179163  Linum lewisii Frances D. Payne 1929-6-18 9 Modoc Parker Creek. Comment
  UCD110594  Linum lewisii J. M. Tucker 1950-7-25 1969 Modoc Beside highway 139, 26.4 miles southeast of Tule Lake. Comment
  RSA165543  Linum lewisii Clare B. Hardham 1961-6-19 783 Modoc Davis creek. 1677 Comment
  CAS-BOT-BC242177  Listera convallarioides C. C. (Mrs.) Bruce 1898-1-1 s.n. Modoc Field redacted by CAS, contact the data manager for more information Comment
  UC1586900  Lithophragma Juha Pykala and D. H. Norris 1987-5-28 1192 Modoc Thoms Creek Modoc National Forest, , Thoms Creek (Cedar Pass Campground) 1783 Comment
  CAS-BOT-BC225810  Lithophragma glabrum F. Angwin 1946-4-6 s.n. Modoc Adin. 1371 Comment
  CAS-BOT-BC225813  Lithophragma glabrum Robert J. Weatherby 1955-7-7 1601 Modoc Dismal Swamp, northern Warner Mts. 2240 Comment
  CAS-BOT-BC225819  Lithophragma glabrum Belknap C. Goldsmith 1913-5-15 98 Modoc Alturas. 1310 Comment
  UC570874  Lithophragma glabrum Mrs. B. A. Crabtree 1926-4-12 2885 a Modoc Davis Creek Comment
  HSC80735  Lithophragma parviflorum G. M. Riegel 1978-6-26 16 Modoc S Warner Mtns. 2100 Comment
  JEPS47672  Lithophragma parviflorum Milo S. Baker 1893-1 Modoc Big Valley; Craig's Comment
  UC14490  Lithophragma parviflorum Milo S. Baker 1893-7-18 Modoc Comment
  UC526148  Lithophragma tenellum John Thomas Howell 1934-6-4 12129 Modoc near Lost Lake; Warner Mts., near Lost Lake 2438 Comment
  CAS-BOT-BC54030  Lithospermum ruderale K. Paulson; Robert Paulson 1991-5-25 219 Modoc W side of Goose Lake, vicinity of Log Landing. 1478 Comment
  CAS-BOT-BC54031  Lithospermum ruderale Bruce Bartholomew; Barrett Anderson 1988-5-12 4092 Modoc 4 km NW of White Horse. 1350 Comment
  CAS-BOT-BC54035  Lithospermum ruderale Annie Montague Alexander; L. Kellogg 1946-6-10 4724 Modoc Near bottom of slope facing Lower Lake, Lava bench between Lower and Snake lakes. Comment
  CAS-BOT-BC54038  Lithospermum ruderale R. M. Austin 1894-6-1 s.n. Modoc Willow Creek Valley. Comment
  CAS-BOT-BC54072  Lithospermum ruderale John Thomas Howell 1934-6-13 12060 Modoc Fandango Pass, Warner Mountains 1828 Comment
  CAS-BOT-BC54029  Lithospermum ruderale P. Monnet 1913-7-7 Modoc Warner's Range. 1828 Comment
  CAS-BOT-BC54036  Lithospermum ruderale Leland S. Smith 1917-5-31 22 Modoc West Valley. 1371 Comment
  RSA59863  Lithospermum ruderale E. K. Balls 1950-5-11 14614 Modoc 2 miles N of Lake City. W of Upper Alkali Lake. 1418 Comment
  CAS-BOT-BC21443  Lomatium bicolor var. leptocarpum Louis Cutter Wheeler 1935-9-12 3982 Modoc Poindexter Reservoir, Devil's Garden. 1524 Comment
  CAS-BOT-BC21450  Lomatium bicolor var. leptocarpum Roxana Stinchfield Ferris; R. Duthie 1919-6-15 179 Modoc Parker Creek. Comment
  CAS-BOT-BC21455  Lomatium bicolor var. leptocarpum Alice Eastwood; John Thomas Howell 1940-6-14 8211 Modoc 8 mi. NW of Canby. Comment
  CAS-BOT-BC21456  Lomatium bicolor var. leptocarpum Alice Eastwood; John Thomas Howell 1940-6-14 8211 Modoc 8 mi. NW of Canby. Comment
  CHSC117808  Lomatium bicolor var. leptocarpum L. P. Janeway 2016-5-18 12062 Modoc Modoc Plateau. Devils Garden area; Island Meadow, along Road 47N08 2.1 road-km north of Road 73/181/47N09. 1606 Comment
  CHSC67326  Lomatium bicolor var. leptocarpum James D. Jokerst 1986-8-10 2752 Modoc Radar Survey Site S of Doublehead Mtn., ca. 400 m NE of a NW-SE-oriented fence and road. 1341 Comment
  UC1563876  Lomatium bicolor var. leptocarpum Barbara Ertter 1989-5-2 8432 Modoc on Hwy. 395 n.e. of Alturas (2.9 mi. n. of junction to Cedarville (Rt. 299)) 1402 Comment
  UC585104  Lomatium dissectum var. multifidum E. B. Babcock and G. L. Stebbins Jr. 1936-6-9 1812 Modoc ca. 3 mi. w. Cedarville (Cedar Creek Canyon, Warner Mts.); Warner Mts., Cedar Creek Canyon Comment
  CAS-BOT-BC30129  Lomatium foeniculaceum subsp. macdougalii Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-10 6453 Modoc At the Nevada border directly E of Eagleville, E side of Surprise Valley. 1520 Comment
  CAS-BOT-BC30130  Lomatium grayi var. grayi C. C. (Mrs.) Bruce 1899-6-1 73 Modoc Modoc County. Comment
  CAS-BOT-BC30135  Lomatium hendersonii Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-13 6533 Modoc Just W of Mud Lake on road to West Valley Reservoir. 1460 Comment
  CAS-BOT-BC30136  Lomatium hendersonii C. C. (Mrs.) Bruce 1899-8-1 2491 Modoc High mountains, Goose Lake. Comment
  RSA540066  Lomatium hendersonii Bruce Bartholomew 1991-5-25 5769 Modoc 4.3 km S of Likely-Jess Valley Road on road to West Valley Reservoir. 1540 Comment
  UCR51778  Lomatium macrocarpum Christopher Davidson 1975-6-4 2606 Modoc Hwy 299 (toward Cedarville), 2.2 mi. east of hwy 395 1500 Comment
  HSC80780  Lomatium nevadense G. M. Riegel 1980-6-30 782 Modoc S Warner Mtns. 1739 Comment
  SEINET13944568 Image available Lomatium nevadense W. A. Weber 1965-1 12241 Modoc North slope of Adin summit, 24 miles west of Alturas; 4400 ft 1341 Comment
  UC748356  Lomatium nevadense var. parishii Annie M. Alexander 1946-6-8 4703 Modoc rd. from Eagleville to Patterson Mill (near 3 miles Ranger Station sign) 2225 Comment
  CHSC38985  Lomatium nudicaule J. D. Jokerst 1983-7-12 1839 Modoc East of a large vernal lake that is just south of the junction of Hwy 139 and Loveness Rd. 1478 Comment
  UC20792  Lomatium nudicaule Mrs. R. M. Austin and Bruce June 1898 2287 Modoc Goose Lake Valley Comment
  SEINET8802402  Lomatium nudicaule R. R. Halse 1976-6-13 1400 Modoc Modoc National Forest, Upper Rush Creek Campground 1585 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
  RSA31756  Lomatium triternatum A. A. Heller 1941-6-26 16215 Modoc 4 miles east of Canby Comment
  CAS-BOT-BC21405  Lomatium triternatum var. triternatum John Thomas Howell 1934-6-12 11998 Modoc 6 mi. S of Davis Creek. Comment
  CAS-BOT-BC21406  Lomatium triternatum var. triternatum John Thomas Howell 1934-6-30 12253 Modoc Duncan Horse Camp. 1355 Comment
  CAS-BOT-BC21408  Lomatium triternatum var. triternatum John Thomas Howell 1934-6-13 12080 Modoc Fandango Pass. 1828 Comment
  CAS-BOT-BC21427  Lomatium triternatum var. triternatum B. J. Cox; P. Gillian 1971-6-3 2613 Modoc 6 mi. N of Alturas on Hwy 395. 1341 Comment
  POM78592  Lomatium triternatum var. triternatum Mrs. R. M. Austin 1895-08 s.n. Modoc Goose Lake Valley Comment
  CAS-BOT-BC21398  Lomatium vaginatum C. C. (Mrs.) Bruce 1893-4-1 114 Modoc Davis Creek. Comment
  CAS-BOT-BC21400  Lomatium vaginatum John Thomas Howell 1934-6-11 11941 A Modoc Parker Creek. 1584 Comment
  CAS-BOT-BC21401  Lomatium vaginatum Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-13 16473 Modoc Roadside 2.4 mi. S of Davis Creek. Comment
  RSA452601  Lomatium vaginatum Christopher Davidson 1973-5-26 2124 Modoc 4 miles W of Canby on Hwy 299. 1341 Comment
  CAS-BOT-BC21395  Lomatium vaginatum E. H. Steffen 1930-5-27 18 Modoc West Valley Camp. 1524 Comment
  SEINET9672910  Lomatium vaginatum M. J. Williams 1988-5-30 88- 26 -5 Modoc Jess Valley, E of Likely, south of roadside rest 1524 Comment
  CAS-BOT-BC95169  Lonicera interrupta Belknap C. Goldsmith 1912-7-1 51 Modoc Little Hot Spring Valley. 1219 Comment
  CAS-BOT-BC95171  Lonicera involucrata var. involucrata Bruce Bartholomew; Barrett Anderson 1988-6-24 4329 Modoc Lily Lake, W side of the Warner Mts.. 2130 Comment
  CAS-BOT-BC95176  Lonicera involucrata var. involucrata R. M. Austin; C. C. (Mrs.) Bruce 1898-7-1 2355 Modoc Mt. Bidwell. Comment
  UC748118  Lonicera involucrata var. involucrata Annie M. Alexander and Louise Kellogg 1946-6-28 4855 Modoc Pine Creek Canyon Warner Mountains 2240 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-BC181955  Lotus denticulatus Bruce Bartholomew 1991-7-4 5925 Modoc Vicinity of Pine Spring between Miller Gulch and Twin Lakes. 1420 Comment
  CAS-BOT-BC181952  Lotus humistratus D. Isley; I. Isley 1971-7-11 11373 Modoc Intersection of State highways 139 and 299. 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-BC181902  Lupinus arbustus Annie Montague Alexander; L. Kellogg 1946-7-17 5004 Modoc Near Benton Meadow. 2072 Comment
  CAS-BOT-BC181903  Lupinus arbustus Annie Montague Alexander; L. Kellogg 1946-7-22 5038 Modoc Bear Camp Flat, Warner Mts. 2286 Comment
  CAS-BOT-BC181910  Lupinus arbustus Mrs. H. C. Cantelow 1940-6-1 Modoc Cedar Pass, E of Alturas. Comment
  CAS-BOT-BC181913  Lupinus arbustus K. Paulson; Robert Paulson 1991-7-27 245 Modoc Sugar Hill area. 2118 Comment
  CAS-BOT-BC181915  Lupinus arbustus Bruce Bartholomew 1990-8-4 5636 Modoc Crest of the Warner Mts., ca. 0.5 km SE of Patterson Lake along Summit Trail. 2770 Comment
  CAS-BOT-BC181905  Lupinus arbustus Leland S. Smith 1924-6-20 1418 Modoc Lavas near Lava Ranger Station. 1310 Comment
  CAS-BOT-BC181919  Lupinus arbustus Milo Samuel Baker 1893-6-18 Modoc Modoc County. Comment
  NY732856  Lupinus arbustus subsp. calcaratus A. M. Alexander 1946-7-17 5004 Modoc Near Benton Meadow, Warner Mountains 2073 Comment
  LA205001  Lupinus argenteus Mrs. H. P. Bracelin; 1931-6-30 500 Modoc S end of Alturas 1523 Comment
  CAS-BOT-BC182084  Lupinus argenteus var. heteranthus Alice Eastwood; John Thomas Howell 1940-6-14 8234 Modoc Near Hackamore. Comment
  CAS-BOT-BC182086  Lupinus argenteus var. heteranthus C. P. Smith 1947-6-13 47465 Modoc Highway 395, Pine Creek (town), S edge. Comment
  CAS-BOT-BC182120  Lupinus argenteus var. heteranthus Elmer Ivan Applegate 1932-7-9 7573 Modoc N slope of Bidwell Mountain, Warner Mts. Comment
  CAS-BOT-BC182122  Lupinus argenteus var. heteranthus John Thomas Howell 1934-6-14 12181 Modoc Near North Fork of Baxter Creek, Warner Mts. 1524 Comment
  CAS-BOT-BC182123  Lupinus argenteus var. heteranthus Mrs. H. C. Cantelow 1940-6-1 Modoc 7.4 mi. E of Hwy 395 on road to Fandango Pass, Warner Mts. Comment
  HSC71398  Lupinus aridus J. P. Smith, J. O. Sawyer 1972-5-6 5274 Modoc Along Hwy. 299, 4 mi. W of Modoc County Rd. 58, E of Alturas 1494 Comment
  JEPS65347  Lupinus bicolor Leland S. Smith 1918-5-2 918 Modoc hills around Adin; Modoc National Forest, hills around Adin 1981 Comment
  CAS-BOT-BC497203  Lupinus latifolius John H. Hatton 1911-6-22 140 Modoc Modoc Forest, Huffman Ranch 1615 Comment
  HSC14857  Lupinus latifolius subsp. viridifolius M. T. Milligan 1965-6-26 316 Modoc N end Jess Valley. 1616 Comment
  POM266050  Lupinus latifolius subsp. viridifolius C. Leo Hitchcock 1940-5-27 6664 Modoc 15 miles northeast of Alturas. 1616 Comment
  SEINET195694  Lupinus laxiflorus Annie M. Alexander, Louise Kellogg 1946-7-23 5052 Modoc Emerson Peak, Warner Mountains Comment
  CHSC85177  Lupinus lepidus var. confertus John Dittes; Josephine Guardino 1991-7-21 387 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
  NY747264  Lupinus lepidus var. lobbii B. M. Bartholomew 1990-8-4 5645 Modoc Top of pass on Summit Trail, ca. 0.5 km southeast of Patterson Lake, east side of Warner Mountains 2800 Comment
  UC201968  Lupinus leucophyllus Franklin P. Nutting Modoc near Egg Lake (Lava); , near Egg Lake Comment
  RSA504640  Lupinus microcarpus Bruce Bartholomew, B. Anderson 1988-6-23 4247 Modoc 4.2 kim NW of Day. 1020 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
  CAS-BOT-BC181834  Lupinus microcarpus var. microcarpus Bruce Bartholomew; Barrett Anderson 1989-6-2 4784 Modoc Long Canyon, 12 km NE of Fort Bidwell on the road to the Oregon border. 1550 Comment
  CAS-BOT-BC181838  Lupinus microcarpus var. microcarpus F. Angwin 1946-5-3 Modoc Big Valley, 2 mi. NW of Adin. 1280 Comment
  CAS-BOT-BC181844  Lupinus microcarpus var. microcarpus Harry Dwight Dillon Ripley; Rupert Charles Barneby 1944-5-31 5988 Modoc NW of Alturas. 1371 Comment
  CAS-BOT-BC181846  Lupinus microcarpus var. microcarpus Edward Kent Balls 1950-5-18 14763 Modoc By Lower Rush Creek Public Camp. 1310 Comment
  NY747606  Lupinus polyphyllus var. saxosus B. M. Bartholomew 1989-4-28 4645 Modoc 8.8 km north of State Highway 299 on road to Raker and Thomas Reservoir 1470 Comment
  NY747607  Lupinus polyphyllus var. saxosus B. M. Bartholomew 1993-5-13 6530 Modoc Just west of Forest Service on Parker Creek Road between Alturas and Pepperdine 1520 Comment
  RSA486801  Lupinus saxosus Bruce Bartholomew, B. Anderson 1988-5-13 4149 Modoc Along Parker Creek Road, at the border of Modoc National Forest and 16 km WSW of Alturas, side of the Warner Mtns. 1580 Comment
  SD116284  Lupinus saxosus B. J. Cox 1971-6-3 2608 Modoc 6.0 miles north of Alturas on U. S. Highway 395. 1341 Comment
  SEINET10486205  Lupinus saxosus James P. Smith, John O. Sawyer 1972-5-6 Smith, Jr. 5274 Modoc Along state route 299; 4 mi w of modoc co rd 58 e of alturas. Northern juniper Woodland. 1494 Comment
  SEINET10486221  Lupinus saxosus Billy Joe Cox, David B. Dunn 1971-6-3 Cox 2586 Modoc 5 mi s of canby on state hwy. 299. Lupines heavily carpeting hillsides of Large basaltic boulders, sparse juniper-artemisia, purshia, poa association. 1280 Comment
  HSC25990  Lupinus sellulus var. sellulus D. H. Norris, T. Nelson, S. Dowty 1971-6-23 19513 Modoc Big Valley Summit, 6 mi. W of Adin on Hwy. 299 Comment
  RSA325721  Lupinus subvexus var. subvexus A. Tiehm 8833 Modoc North edge of Lake Annie on the west side of Bidwell Mt., NE of Ft. Bidwell. 1530 Comment
  JEPS67161  Luzula comosa var. laxa M. S. Baker and Frank Nutting 1894-6-15 Modoc Big Valley Mountains Comment
  CAS-BOT-BC179109  Lythrum tribracteatum Herbert Louis Mason; Verne Grant 1947-7-10 13324 Modoc Dorris Reservoir, 2 mi. E of Alturas. Comment
  RSA503247  Madia citrigracilis Bruce Bartholomew 1988-7-22 4514 Modoc SE side of Sunflower Know, southern end of the Warner Mtns. 2160 Comment
  CAS-BOT-BC49429  Madia citriodora Bruce Bartholomew; Barrett Anderson 1989-6-3 4916 Modoc 5 km W of County Route 91 along the N side of the Pit River. 1340 Comment
  CAS-BOT-BC49430  Madia citriodora Bruce Bartholomew 1990-6-15 5220 Modoc W side of Deer Spring Ridge in vicinity of Reid Draw, ca. 1 km N of the Lasson Co. border. 1540 Comment
  CAS-BOT-BC49435  Madia exigua Bruce Bartholomew 1991-6-20 5777 Modoc 7.5 km E of junction of county roads 87 and 90. 1220 Comment
  CAS-BOT-BC49436  Madia exigua John Thomas Howell 1934-7-1 12325 Modoc Duncan Horse Camp, 6 mi. E of Perez. 1355 Comment
  JEPS127603  Madia glomerata L. P. Janeway 2014-7-8 11472 Modoc Modoc Plateau. East corner of Dry Creek Rim; along Road 47N08 (Corral Creek Road) 5.1 road km NNw of Road 48, along the W edge of Goose Lake. Comment
  JEPS6001  Madia glomerata Frances D. Payne 1933-8-5 771 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  POM312519  Madia glomerata H. L. Mason 1947-8-11 13496 Modoc On Highway 81, west margin of Lower Lake, near boundary between Lassen and Modoc counties. Comment
  UCD134271  Madia glomerata Herbert L. Mason 1947-8-9 13483 Modoc on east side of Fairchild Swamp, north of Alturas. Comment
  CAS-BOT-BC49412  Madia gracilis John Thomas Howell 1934-6-16 12205 Modoc Parker Creek, Warner Mountains 1584 Comment
  RSA540059  Madia gracilis subsp. gracilis Bruce Bartholomew 1990-6-15 5210 Modoc Kelly Spring, 5.5 km south-southeast of Highway 299 on road from Rush Creek 1640 Comment
  NY500375  Mahonia repens B. M. Bartholomew 1989-8-12 5122 Modoc South Fork of Pine Creek where it crosses West Warner Road, west side of Warner Mountains 1900 Comment
  RSA452628  Mahonia repens H. E. McMinn 1931-5-23 2445 Modoc Fandango Pass, Warner Mts. Comment
  CAS-BOT-BC242026  Maianthemum racemosum E. S. Willits 1940-6-9 336 Modoc Fandango Pass. Comment
  CAS-BOT-BC242028  Maianthemum racemosum John Thomas Howell 1934-6-11 11954 Modoc Parker Creek. 1584 Comment
  CAS-BOT-BC242165  Maianthemum stellatum Bruce Bartholomew 1991-6-21 5807 Modoc Vicinity of Lily Lake, N end of the Warner Mountains. 2030 Comment
  CAS-BOT-BC49383  Malacothrix glabrata Bruce Bartholomew 1993-6-13 6620 Modoc E of Eagleville on E side of Surprise Valley between the valley floor and the Nevada border. 1400 Comment
  CAS-BOT-BC179100  Malva neglecta Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16402 Modoc Along Thoms Creek, 6.1 mi. E of Hwy. 288, along Cedar Pass road. Comment
  JEPS46280  Malva neglecta F. H. Frost 1925-7-13 81 Modoc 2 mi s of Cedarville (Cedarville roadside) Comment
Read comments Mar 6 2013
  RSA152606  Malva neglecta I. L. Wiggins, Dorothy Wiggins 1961-6-12 16402 Modoc Shoulders of road along Thomas as Creek, 6.1 miles E. of California State Highwayt 299, along Cedar Pass Road, Modoc County. Comment
  HSC14236  Marrubium vulgare M. T. Milligan 1964-8-8 220 Modoc 3 miles W of Alturas on Modoc County Rd. 54A at Rifle Range. 1372 Comment
  CAS-BOT-BC71147  Marsilea Herbert L. Mason; Verne Grant 1947-7-10 13350 Modoc Dorris Reservoir, 2 miles east of Alturas Comment
  CAS-BOT-BC30190  Marsilea vestita Bruce Bartholomew 1991-7-5 5936 Modoc Vicinity of the outlet of Dorris Brothers Reservoir. 1500 Comment
  JEPS126541  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 Lookout, 7.5 miles (air) west of Adin, Ash Creek State Wildlife Area. Comment
  CDA8328  Matricaria occidentalis T. C. Fuller 1963-7-15 10907 a Modoc North side of Highway 299, 1.0 mile west of road junction at Alturas. 0 Comment
  CHSC100363  Medicago lupulina Lowell Ahart; John Dittes 2008-8-26 15347 Modoc On the bottom of Rose Creek, 250 feet southwest of confluence of Rose Creek and Pit River, on the northwest side of unnamed road, 3160 feet east of intersection with County Road 85a, 9.3 miles (air) north-northeast of Lookout. 1276 Comment
  JEPS69309  Melica spectabilis Leland S. Smith 1918-1 813 Modoc Comment
  UCD108086  Melilotus indicus Robbins and Raynor 1943-6-1 s.n. Modoc Near Alturas. Comment
  SD113590  Melilotus officinalis Darley F. Howe 1964-8-2 3926 Modoc Vacant lot, Alturus Comment
  CHSC99961  Mentha canadensis Lowell Ahart; John Dittes 2008-8-26 15345 Modoc On the bottom of Rose Creek, 250 feet southwest of confluence of Rose Creek and Pit River, on the northwest side of unnamed road, 3160 feet east of intersection with County Road 85a, 9.3 miles (air) north-northeast of Lookout. 1276 Comment
  RSA252483  Mentha canadensis Robert F. Thorne, C. W. Tilforth 1969-9-5 39184 Modoc Pine Creek where it is crossed by Hwy 395, 3.4 miles S of Alturas. 1341 Comment
  UC1191908  Mentha canadensis Herbert L. Mason 1947-8-12 13505 Modoc junction of North and South Forks of Pit River Alturas; jct of North and South Forks of Pit River Comment
  CAS-BOT-BC179150  Mentzelia dispersa Bruce Bartholomew; Barrett Anderson 1988-6-24 4360 Modoc Vicinity of Patterson Campground, southern end of the Warner Mts.. 2190 Comment
  RSA101492  Mentzelia dispersa R. Weatherby 1955-7-8 1611 Modoc 7 miles north of Ft. Bidwell, northern Warner Mts. 1875 Comment
  SEINET208167  Mentzelia dispersa C. L. Hitchcock 1940-5-27 6690 Modoc 15 miles northeast of Alturas. 1615 Comment
  RSA165653  Mentzelia montana Clare B. Hardham 1961-5-20 7866 Modoc Warner Mountains, Pine Creek. 1524 Comment
  RSA261004  Mentzelia montana Alice Eastwood 1940-6-14 8254 Modoc Between Mammoth Cave and Lava Beds National Monument. Comment
  CAS-BOT-BC179112  Mentzelia veatchiana Bruce Bartholomew 1991-5-24 5707 Modoc Surprise Valley, E of Eagleville at the Nevada State boundary. 1520 Comment
  CAS-BOT-BC179115  Mentzelia veatchiana Bruce Bartholomew 1991-6-22 5857 Modoc NE side of Surprise Valley on road to Fee Reservoir, 6.4 km E of Fort Bidwell. 1490 Comment
  RSA152439  Mertensia oblongifolia I. L. Wiggins, Dorothy Wiggins 1961-6-12 16431 -A Modoc Mountainside near summit of Cedar Pass, between Alturas and Cedarville Comment
  CAS-BOT-BC54012  Mertensia oblongifolia var. amoena Betty J. Hammerly 1941-6-20 30 Modoc Clear Lake. 1767 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
  RSA531352  Mertensia oblongifolia var. nevadensis Bruce Bartholomew, B. Anderson 1988-6-24 4301 Modoc Road beyond Poison Lake, ca. 8 km S of the road from Hwy 395 to Lily Lake, Warner Mountains. 2130 Comment
  CAS-BOT-BC49351  Microseris nutans Bruce Bartholomew 1993-6-14 6667 Modoc Russell Canyon, just S of the Oregon border and NW of Clear Lake Reservoir. 1400 Comment
  CAS-BOT-BC49356  Microseris nutans Annie Montague Alexander; L. Kellogg 1946-7-17 5003 Modoc Benton Meadow, Warner Mountains 2072 Comment
  CAS-BOT-BC49358  Microseris nutans Bruce Bartholomew; Barrett Anderson 1988-7-23 4580 Modoc Dismal Swamp, Warner Mts.. 2180 Comment
  CAS-BOT-BC49363  Microseris nutans John Thomas Howell 1934-6-13 12057 Modoc Fandango Pass. 1828 Comment
  JEPS126544  Microseris nutans Lowell Ahart, John Dittes 2016-6-6 20958 Modoc About 100 yards east of the Parking Area, about one mile south of the intersection of County Road 87 and Access Road to Pilot Butte Parking Area, 3.8 miles (air) east Lookout, 7.5 miles (air) west of Adin, Ash Creek State Wildlife Area. Comment
  UC748133  Microseris nutans Annie M. Alexander and Louise Kellogg 1946-7-17 5003 Modoc Benton Meadow Warner Mountains 2072 Comment
  JEPS5950  Microseris nutans Frances D. Payne 1931-6-29 289 Modoc e slope Warren Peak (head of Cottonwood Creek); Warner Mountains, , e slope of Warre 2286 Comment
  CAS-BOT-BC197911  Microsteris gracilis Bruce Bartholomew 1995-6-24 7028 Modoc Vicinity of old town site of Tionesta on Forest Service Road 44N17. 1430 Comment
  CAS-BOT-BC197917  Microsteris gracilis Bruce Bartholomew 1992-5-17 6341 Modoc S side of White Horse Flat Reservoir in the vicinity of McArthur Cow Camp. 1390 Comment
  HSC17120  Microsteris gracilis M. T. Milligan 1965-6-23 293 Modoc N end Jess Valley 1616 Comment
  RSA185361B  Mimulus breweri Clare B. Hardham 1961-6-17 7514 Modoc Cedar Pass Camp Ground, Warner Mountains. Comment
  UC1586882  Mimulus cusickii Juha Pykala and D. H. Norris 1987-5-27 1040 Modoc between Lower Rush Creek Campground and Upper Rush Creek Campground; Modoc National Forest 1500 Comment
  CDA41438  Mimulus evanescens S. E. Schoenig 1998-7-5 98 -70 Modoc Southwest shore of Moll Reservior. Comment
  UC711826  Mimulus guttatus Roxana S. Ferris and Laura Lorraine 1941-8-13 10539 Modoc Patterson Ranger Station, East Creek drainage Warner Mountains, Modoc National Forest 2164 Comment
  POM43718  Mimulus guttatus R. M. Austin 518 Modoc Willow Creek. Comment
  RSA550580  Mimulus guttatus Bruce Bartholomew 1991-7-6 5985 Modoc Sand Flat on Loveness Logging Road. 1370 Comment
  UCSB6085  Mimulus lewisii Haller, John 1959-8-1 Modoc 0.2 miles west of Cave Lake junction; on road between New Pine Creek and Fort Bidwell; Warner Mtns 2133 Comment
  SJSU9892  Mimulus longulus W. Savage 1979-7-26 1571 Modoc Fletcher Cr, Long Meadow Unit, Devils Garden District, Modoc National Forest 1615 Comment
  UC103787 Image available Mimulus nanus var. nanus Mrs. R. M. Austin 1885-1 Modoc Modoc Co. Comment
  HSC20792  Mimulus primuloides var. primuloides M. T. Milligan 1964-7-25 165 Modoc Pine Creek Basin, along trail. 2439 Comment
  JEPS109822  Mimulus pygmaeus Dean W. Taylor 2006-5-24 19531 Modoc Service Gulch; unnamed seasonal drainage ca. 1.5 miles SE therefrom; Forest Road 42N03 ca. 1.5 miles W of County Road 91 1341 Comment
  RSA535784  Mimulus pygmaeus David M. Thompson 1988-6-3 927 Modoc Egg Lake, S end between Kramer Reservoir and White Horse Lookout road along intermittent stream, 2.3 miles W of railroad crossing. 1330 Comment
  UC26888 Image available Mimulus pygmaeus M. S. Baker and Frank Nutting 1894-6-8 Modoc Egg Lake; ; Egg Lake, Modoc Co. Comment
  SEINET3367733 Image available Mimulus rubellus Annie M. Alexander, Louise Kellogg 1946-7-24 5078 Modoc Bear Camp Flat, Warner Mountains. 2286 Comment
  JEPS86346  Mimulus tilingii Jack and Betty Guggolz 1988-7-4 976 Modoc West Branch of Bidwell Creek Comment
  UC27128  Mimulus tricolor Milo S. Baker 1893-6-10 Modoc Forestdale Comment
  UC445162  Mimulus tricolor M. S. Baker and Franklin P. Nutting 1894-6-7 Modoc near Egg Lake Comment
  CAS-BOT-BC95210  Minuartia douglasii Bruce Bartholomew 1993-6-12 6585 Modoc Road to Day Rock from Little Hot Spring Valley. 1250 Comment
  CAS-BOT-BC95211  Minuartia douglasii Bruce Bartholomew 1995-6-1 6916 Modoc NW edge of Little Hot Spring Valley NW of Day. 1080 Comment
  UC8124  Minuartia douglasii Milo S. Baker 1894-6-25 Modoc Big Valley Mountains 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
  SBBG19108  Minuartia nuttallii var. gregaria C. B. Hardham 1961-6-20 7886 Modoc Bidwell Rd to Dismal Crk 2438 Comment
  NY446178  Minuartia nuttallii var. gregaria L. C. Wheeler 1935-8-5 3786 Modoc Yellow Mountain, Warner Mountains 2438.4 Comment
  CAS-BOT-BC225802  Mitella pentandra Elmer Ivan Applegate 1932-7-7 8240 Modoc Lily Lake, Bidwell Pass, Warner Mts. Comment
  CAS-BOT-BC225803  Mitella pentandra Bruce Bartholomew; Barrett Anderson 1988-6-24 4335 Modoc Lily Lake, W side of the Warner Mts.. 2130 Comment
  CAS-BOT-BC225805  Mitella pentandra Bruce Bartholomew; Barrett Anderson 1990-7-20 5500 Modoc Tamarack Flat, E side of Warner Mts. 2150 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
  NY758253  Mitella pentandra B. M. Bartholomew 1990-7-20 5500 Modoc Tamarack Flat, east side of Warner Mountains 2150 Comment
  RSA531366  Mitella pentandra Bruce Bartholomew, B. Anderson 1990-7-20 5500 Modoc Tamarack Flat, E side of Warner Mts. 2150 Comment
  UC2035895  Monardella odoratissima subsp. glauca Alice Eastwood, John Thomas Howell 1940-6-13 8175 Modoc East side of Cedar Pass Comment
  UC25490  Monardella odoratissima subsp. glauca Milo S. Baker 1893-7-8 Modoc Comment
Read comments Oct 10 2006
  CHSC85152  Monolepis nuttalliana John Dittes; Josephine Guardino 1991-7-21 405 Modoc Modoc Plateau; Big Valley; Ash Creek Wildlife Area; ca. 5.7 air-miles northeast of Bieber, ca. 7.6 air-miles west of Adin, ca. 1.5 air-mile southeast of Pilot Butte summit; at northern edge of Ash Creek Floodplain (Big Swamp) at southeast base of Pilot Butte. 1258 Comment
  SEINET5336613  Montia chamissoi M. J. Williams 1984-6-30 84- 79 -1 Modoc 5.7 mi W of Alturas on Granger Canyon road. 1859 Comment
  SEINET3025752  Montia linearis Annie M. Alexander, Louise Kellogg 1946-6-14 4755 Modoc Patterson Mill-- Silver Creek roads 1830 Comment
  UC7866  Montia linearis Mrs. R. M. Austin 1894-1 Modoc Northern California, Modoc County Northern California; , Modoc County Comment
  UCR136426  Muhlenbergia asperifolia Beecher Crampton 1954-7-9 2187 Modoc Modoc Plateau, 1.5 miles west of Alturas, extension of 4th Street 1311 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
  RSA757477  Muhlenbergia richardsonis Barbara Ertter 1988-6-18 7609 Modoc West side of Highway 139 just south of where it crosses railroad at junction to Clear Lake, northeast of Dry Lake east of Lava Beds National Monument. 1250 Comment
  UC1776653  Myosotis micrantha G. S. Bartholomew 1998-6-4 2726 Modoc W side of Hwy 395 1 mi S of Davis Creek. 1463 Comment
  UC1536813  Myriophyllum sibiricum Gordon H. True Jr 1939-6-25 1010 Modoc Boles Meadow, NW of Alturas Comment
  CAS-BOT-BC198011  Navarretia breweri Alice Eastwood; John Thomas Howell 1940-6-13 8133 Modoc W side of Fandango Pass. Comment
  CAS-BOT-BC198017  Navarretia breweri Beecher Crampton 1954-7-7 2144 Modoc W side of Cedar Pass, Warner Mts. 1889 Comment
  UC705723  Navarretia breweri Marion Ownbey, Fred G. Meyer 1940-7-1 2146 Modoc w slope Cedar Peak; Warner Mts. Comment
  UC1025101  Navarretia divaricata Leo Whitney 1934-5-27 1846 Modoc near Hackamore; Modoc National Forest 1463 Comment
  CAS-BOT-BC198001  Navarretia divaricata subsp. divaricata Alice Eastwood; John Thomas Howell 1940-6-14 8218 Modoc 8 mi. NW of Canby. Comment
  CAS-BOT-BC197998  Navarretia divaricata subsp. vividior Lewis Samuel Rose 1940-6-14 40574 Modoc 8 mi NW of Canby. 1524 Comment
  UC23519  Navarretia divaricata subsp. vividior Milo S. Baker 1894-6-15 Modoc Little Hot Springs Valley Comment
  SBBG30496  Navarretia intertexta D. Myrick 1968-6-20 1979 a Modoc Airport Rd, 7 mi N of Alturas 1524 Comment
  CAS-BOT-BC197994  Navarretia intertexta subsp. intertexta Bruce Bartholomew 1990-8-3 5609 Modoc Ash Creek Wildlife Refuge, ca. 2.5 km S of County Road 87 and 7 km W of Adin. 1250 Comment
  JEPS117329  Navarretia intertexta subsp. intertexta Lowell Ahart, John Dittes 2010-8-30 17056 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
  CAS-BOT-BC197975  Navarretia intertexta subsp. propinqua Roxana Stinchfield Ferris; L. Lorraine 1941-8-14 10604 Modoc 8.5 mi. from Patterson Ranger Station on Eagleville road, Warner Mts. Comment
  CAS-BOT-BC197979  Navarretia intertexta subsp. propinqua John Thomas Howell 1934-6-30 12291 Modoc Duncan Horse Camp. 1355 Comment
  CAS-BOT-BC197981  Navarretia intertexta subsp. propinqua Alice Eastwood; John Thomas Howell 1940-6-13 8131 Modoc W side of Fandango Pass. Comment
  CAS-BOT-BC197987  Navarretia intertexta subsp. propinqua Alice Eastwood; John Thomas Howell 1940-6-15 8293 Modoc 9 mi. N of Lookout. Comment
  POM129405  Navarretia intertexta subsp. propinqua M. French Gilman 650 Modoc Modoc Co. Mts 1677 Comment
  CAS-BOT-BC197970  Navarretia leucocephala subsp. leucocephala Bruce Bartholomew 1991-6-21 5810 Modoc 4 km S of Forest Service road 73 on road to Rim Rock Valley. 1570 Comment
  CAS-BOT-BC197972  Navarretia leucocephala subsp. leucocephala Bruce Bartholomew 1991-6-23 5882 Modoc 7.4 km NE of Crowder Flat Road on road between Dorris Brothers Reservoir and Cow Head Tank. 1520 Comment
  CAS-BOT-BC197973  Navarretia leucocephala subsp. leucocephala Bruce Bartholomew; Barrett Anderson 1988-6-23 4248 Modoc 4.2 km NW of Day. 1020 Comment
  CAS-BOT-BC197961  Navarretia leucocephala subsp. minima M. Vasey 1990-6-30 9041 Modoc Near Curtiss Waterhole, NW of Egg Lake. 1300 Comment
  CHSC85181  Navarretia leucocephala subsp. minima John Dittes; Josephine Guardino 1991-6-1 357 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
  UC1332134  Navarretia leucocephala subsp. minima Alice Eastwood and John Thomas Howell 1940-6-14 8230 Modoc 8 mi nw Canby Comment
  SEINET14152015  Navarretia leucocephala subsp. minima M. J. Williams 1984-6-28 84- 66 -2 Modoc 0.2 mi E of Hwy 395 at Ravendale. 1524 Comment
  UC1058212  Navarretia leucocephala subsp. minima C. McMillan 1949-6-16 1538 Modoc 3 mi s Crowder Flat (35 mi n of Canby) Comment
  SEINET195707  Navarretia propinqua Annie M. Alexander, Louise Kellogg 1946-7-7 4932 Modoc Eight Mile Creek; NE corner of county. 1753 Comment
  CAS-BOT-BC95149  Nemacladus capillaris Bruce Bartholomew; Barrett Anderson 1988-6-25 4399 Modoc Ryan Canyon, N of Adin. 1390 Comment
  JEPS1527  Nemophila breviflora L. Constance 1938-6-12 2332 Modoc 13.4 mi ne Alturas (edge of Thombs Creek at foot of Bonner Grade, Cedar Pass Road, western foothills of the Warner Range); western foothills of Warner Range, Thombs Creek 1524 Comment
  POM260426  Nemophila breviflora C. L. Hitchcock 1940-5-27 6661 Modoc 12 miles NE of Alturas. 1616 Comment
  UC606896  Nemophila breviflora L. Constance 1938-6-12 2332 Modoc 13.4 mi ne Alturas (edge of Thombs Creek at foot of Bonner Grade, Cedar Pass Road, western foothills of the Warner Range); western foothills of Warner Range, Thombs Creek 1524 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
  UC67084  Nemophila pedunculata Mrs. M. H. Manning 1903-8 Modoc Warner Range 1828 Comment
  SJSU9558  Neoholmgrenia andina W. Savage 1979-7-3 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  CHSC66993  Nestotus stenophyllus James D. Jokerst 1987-5-13 2860 Modoc Radar Survey Site S of Doublehead Mtn., S of Clear Lake Reservoir, S end of northern sector. 1371 Comment
  CAS-BOT-BC245372  Nicotiana attenuata Alice Eastwood; John Thomas Howell 1940-6-13 8170 Modoc Cedarville. Comment
  CAS-BOT-BC245375  Nicotiana attenuata Belknap C. Goldsmith 1912-8-8 77 Modoc S end of Goose Lake. 1463 Comment
  CHSC106332  Nicotiana attenuata Lowell Ahart; John Dittes 2010-8-30 17081 Modoc Parking Area west of the old barn, on the west side of Elkins Lane, Ash Creek State Wildlife area, 320 feet north of Lassen County Line, about 4.4 miles (air) west of Adin, about 7.2 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  CHSC34509  Nicotiana attenuata J. D. Prouty 1980-8-9 1148 Modoc Ca. 2 mi e of Cedarville, n side of Rd 299 as it intersects w margin of Middle Alkali Lake. Comment
  CAS-BOT-BC245373  Nicotiana attenuata Fred. P. Cronemiller 1919-11-3 12 Modoc Shore of Goose Lake. 1432 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
  UC26154  Nicotiana attenuata Mrs. R. M. Austin Aug 1894 Modoc n of Alturas (Pit River); Pit River Comment
  UC71723  Nicotiana attenuata Mrs. M. H. Manning 1902-9-7 2 b Modoc Surprise Valley Comment
  CAS-BOT-BC58641  Noccaea fendleri subsp. glauca Annie Montague Alexander; L. Kellogg 1946-8-9 5127 Modoc Patterson Lake Trail, Warner Mts. Comment
  POM126858  Oenothera deltoides subsp. piperi P. A. Munz 1929-03 1916 Modoc Cedarville & Lake City Comment
Read comments Jan 23 2011
  RSA520343  Oenothera deltoides subsp. piperi Bruce Bartholomew, B. Anderson 1989-6-2 4836 Modoc 6.4 km E of Eagleville on the road to the California state border, E side of Surprise Valley. 1550 Comment
  NY998640  Oenothera deltoides var. piperi B. M. Bartholomew 1993-6-13 6630 Modoc Near Fortynine Creek, east of Cedarville on east side of Surprise Valley 1400 Comment
  NY998650  Oenothera deltoides var. piperi B. M. Bartholomew 1989-6-2 4836 Modoc 6.4 km east of Eagleville on the road to the California state border, east side of Surprise Valley 1550 Comment
  CAS-BOT-BC190807  Oenothera elata subsp. hirsutissima L. A. M. Black 1894-8-1 58 Modoc Davis Creek. Comment
  JEPS43963  Oenothera elata subsp. hirsutissima W. L. Jepson 1918-8-14 7989 Modoc Jess Valley 1584 Comment
  UC635387  Oenothera elata subsp. hirsutissima F. H. Frost 1925-7-24 111 Modoc Jess Valley Warner Mountains Comment
  JEPS118470  Oenothera flava Lowell Ahart, John Dittes 2011-6-21 17515 Modoc About 200 yards west of the fence, south edge of the meadow, Ash Creek State Wildlife Area, about 2,000 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley 1267 Comment
  CAS-BOT-BC190801  Oenothera flava subsp. flava Milo Samuel Baker 1893-7-20 s.n. Modoc Lava Beds. Comment
  CAS-BOT-BC245090  Olsynium douglasii var. douglasii Bruce Bartholomew; M; M. Gilbert; L. E. Skog 1993-5-11 6512 Modoc 11 km S of Oregon Border along W side of Goose Lake. 1440 Comment
  CAS-BOT-BC245093  Olsynium douglasii var. douglasii E. S. Willits 1940-4-16 179 Modoc Sugar Hill. Comment
  UC190690  Olsynium douglasii var. douglasii M. F. Gilman 581 Modoc Modoc Co. Hills 1676 Comment
  CDA7562  Onopordum acanthium T. C. Fuller 1958-7-9 900 -58 Modoc South of 4th Street, east of East Street, Alturas. 0 Comment
  CAS-BOT-BC190797  Orobanche corymbosa Elmer Ivan Applegate 1925-7-15 4415 A Modoc Doublehead Mountain, Clear Lake. Comment
  CAS-BOT-BC190791  Orobanche fasciculata Bruce Bartholomew 1990-6-18 5377 Modoc Crowder Flat Rd, 0.3 km N of turn off to Big Sage Reservoir. 1480 Comment
  UC748044  Orobanche fasciculata Annie M. Alexander and Louise Kellogg 1946-8-1 5102 Modoc Eagle Peak, Warner Mountains. Comment
  CAS-BOT-BC190784  Orobanche uniflora Bruce Bartholomew; L. E. Skog; M. Gilbert 1993-5-13 6536 Modoc Just W of Mud Lake on road to West Valley Reservoir. 1460 Comment
  CAS-BOT-BC190788  Orobanche uniflora Bruce Bartholomew 1990-6-17 5345 Modoc 4 km N of Buck Creek Ranger Station at turn off to Del Prat Spring, W side of Warner Mts. 1900 Comment
  RSA59720  Orobanche uniflora E. K. Balls 1950-5-18 14756 Modoc N of Upper Rush Creek Public Camp; 2.5 mi. east from Hwy. 299 1738 Comment
  UC27899  Orobanche uniflora subsp. occidentalis M. S. Baker and Frank Nutting 1894-6-8 Modoc Near Egg Lake. Comment
  CAS-BOT-BC232319  Orthocarpus cuspidatus subsp. copelandii Annie Montague Alexander; L. Kellogg 1946-7-7 4923 Modoc Eight Mile Creek. 1752 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
  JEPS62837  Orthocarpus cuspidatus subsp. cryptanthus John Weiler 1970-7-7 70222 Modoc on rocky slope at Cedar Pass; Warner Mountains, rocky slope at Cedar Pass 1920 Comment
  SEINET13756763  Orthocarpus cuspidatus subsp. cryptanthus M. J. Williams 1962-7-8 s. n. Modoc Warner Mountains, Cedar Pass 2073 Comment
  RSA210889  Orthocarpus hispidus Robert F. Thorne, James Henrickson, C. W. Tilforth 1969-9-4 39068 Modoc Near old margin of Goose Lake, SW shore of Goose Lake N of McGinty Point. 1433 Comment
  RSA531359  Orthocarpus hispidus Bruce Bartholomew, B. Anderson 1989-6-1 4762 Modoc S end of Goose Lake. 1460 Comment
  RSA516525  Orthocarpus lacerus L. T. Dempster 1961-6-18 1699 Modoc Near head of canyon south of highway. 3.2 miles east of Cedar Pass. 1753 Comment
  UC735036  Osmorhiza berteroi Lincoln Constance 1946-7-4 3103 Modoc Deep Creek 3.4 mi below summit; Warner Mountains 1828 Comment
  CAS-BOT-BC15739  Osmorhiza chilensis Elmer Ivan Applegate 1932-7-31 7962 Modoc Mill Creek Meadow. Comment
  CAS-BOT-BC15742  Osmorhiza chilensis Roxana Stinchfield Ferris; R. Duthie 1919-6-14 81 Modoc 1.5 mi. from Modoc National Forest boundary. Comment
  JEPS15931  Osmorhiza occidentalis W. L. Jepson 1918-8-13 7960 Modoc Eagle Peak Warner Mts. 2286 Comment
  UC21056  Osmorhiza occidentalis Mrs. R. M. Austin and Bruce June, 1898 2263 Modoc Lake City Mt. Comment
  CAS-BOT-BC248348  Packera cana B. Bartholomew; H. Sun 2002-6-24 8831 Modoc Ca. 1 km NW of Bald Mt., E side of the Warner Mountains 2290 Comment
  CAS-BOT-BC50307  Packera cana John Thomas Howell 1934-6-12 12015 Modoc Between Davis Creek and Plum Valley. Comment
  UC748191  Packera cana Annie M. Alexander and Louise Kellogg 1946-7-23 5044 Modoc e slope Emerson Peak; Warner Mountains, e slope Emerson Peak Comment
  CAS-BOT-BC50320  Packera eurycephala var. eurycephala Barrett Anderson 1986-7-9 3143 Modoc Bushy Flat Rd along Pit River, just E of Hwy 299. 1500 Comment
  CAS-BOT-BC50321  Packera eurycephala var. eurycephala Christopher Davidson 1975-6-4 2592 Modoc 0.4 mi. E of Hwy 395 on Hwy 299 towards Cedarville. 1379 Comment
  SJSU9569  Packera subnuda var. subnuda W. Savage 1979-7-3 1317 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
Read comments Jul 30 2012
  NY241769  Paeonia brownii B. M. Bartholomew 1989-4-29 4686 Modoc Surprise Valley Road, just S of the Oregon border, extreme NE corner of Modoc County. 1630 Comment
  POM260872  Paeonia brownii Alice Eastwood, John T. Howell 1940-6-13 8117 Modoc Surprise Comment
  RSA59737  Paeonia brownii E. K. Balls 1950-5-20 14795 Modoc South Fork Public Camp, South Fork Pit River, Likely to Clear Lake. 1433 Comment
  JEPS27161  Paeonia brownii Lauramay T. Dempster 1961-6-19 1704 Modoc e Davis Creek (town) (headwaters of creek); South Fork of Davis Creek 2286 Comment
  JEPS52292  Paeonia brownii Wayne Roderick 1963-6-9 Modoc about 1/2 mi above campground on east side of pass; Cedar Pass 1981 Comment
  RSA0013799  Paeonia brownii Joan Stewart 2005-6-6 2485 Modoc Stowe Reservoir, Warner Mountains. Comment
  UC1137151  Panicum acuminatum var. acuminatum August L. Hormay 1932-7-10 Modoc Meadow Trail Rush Creek (Junction Hills, Rush Creek) Comment
  HSC80722  Parnassia fimbriata Gregg M. Riegel 1980-7-31 939 Modoc South Warner Mountains. 2100 Comment
  POM126423  Paxistima myrsinites Franklin P. Nutting s.n. Modoc Near Forestdale. Comment
  SJSU8395  Pectiantia pentandra H. L. Buckalew 1961-7-5 Modoc Soldier Cr on flank of Bald Mt, Warner Mts Comment
  CAS-BOT-BC232310  Pedicularis attollens Leland S. Smith 1922-7-20 1287 Modoc Rush Creek Ranger Station. 1889 Comment
  CAS-BOT-BC232313  Pedicularis attollens F. D. Parker 1931-6-12 153 Modoc Parker Creek, Warner Mountains 1584 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-BC232305  Pedicularis groenlandica subsp. surrecta Elmer Ivan Applegate 1932-7-6 8242 Modoc Lily Lake, Bidwell Pass, Warner Mountatins Comment
  CAS-BOT-BC30195  Pellaea breweri Gregg M. Riegel 1980-7-31 928 Modoc South Warner Mountains Comment
  CAS-BOT-BC30196  Pellaea breweri Bruce Bartholomew 1992-8-9 6392 Modoc Upper region of Owl Creek drainage, below cliffs, E of Summit Trail, E side of Warner Mtns 2470 Comment
  HSC80876  Pellaea breweri G. M. Riegel 1980-7-31 928 Modoc S Warner Mtns. 1829 Comment
  CAS-BOT-BC232350  Penstemon davidsonii var. davidsonii Bruce Bartholomew 1991-8-5 6055 Modoc Spring NE of Cottenwood Lake along Summit Trail from Squaw Peak to Patterson Lake, Warner Mts. 2580 Comment
  UC1594765  Penstemon davidsonii var. davidsonii David Charlet 1989-8-13 215 Modoc Eagle Peak, in cliff below peak, E aspect South Warner Mountains 3011 Comment
  UC1594766  Penstemon davidsonii var. davidsonii David Charlet 1988-8-12 153 Modoc Warner Peak South Warner Mountains 2956 Comment
  UC190596  Penstemon deustus var. deustus M. F. Gilman 503 Modoc 1676 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
  CAS-BOT-BC232371  Penstemon deustus var. pedicellatus Annie Montague Alexander; L. Kellogg 1946-6-28 4868 Modoc Pine Creek Canyon, North end of Warner Mountains 1615 Comment
  NY591816  Penstemon deustus var. pedicellatus B. M. Bartholomew 1990-6-15 5223 Modoc Southwest side of Deer Spring Ridge near the border with Lassen Co. 1720 Comment
  NY600739  Penstemon gracilentus M. Bourell 1993-8-15 5280 Modoc South Warner Wilderness Area. Warner Mountains. Along trail from Patterson Lake to ca. 2 miles north toward Pepperdine Trailhead. 2438.4 Comment
  UC1594759  Penstemon gracilentus David Charlet 1989-8-15 512 Modoc 1.3 km nw Eagle Peak (Upper Slide Creek, South Warner Mountains); South Warner Mountains, nw of Eagle Pk, Upper Slide Creek 2549 Comment
  HSC12276  Penstemon gracilentus R. W. Spjut 1970-7-22 889 Modoc N Warner Mtns., 10 mi. from Lake City, road to Plum Valley Campground 2195 Comment
  HSC80747  Penstemon gracilentus G. M. Riegel 1979-7-24 600 Modoc S Warner Mtns. 1829 Comment
  UC190599  Penstemon gracilentus M. F. Gilman 611 Modoc Mts. 1676 Comment
  CAS-BOT-BC497202  Penstemon heterophyllus John H. Hatton 1911-6-15 106 Modoc Modoc Forest, near Happy Camp 1463 Comment
  CAS-BOT-BC232506  Penstemon roezlii C. C. (Mrs.) Bruce 1898-7-1 2861 Modoc unspecified Comment
  CAS-BOT-BC232516  Penstemon roezlii Alice Eastwood; John Thomas Howell 1940-6-13 8189 Modoc W side of Cedar Pass. Comment
  CAS-BOT-BC232518  Penstemon roezlii Mrs. H. C. Cantelow 1941-5-23 s.n. Modoc 2 mi. W of Adin Summit, U.S. Hwy. 299 E of Bieber. Comment
  CAS-BOT-BC245574  Penstemon roezlii Bruce Bartholomew; Barrett Anderson 1988-6-25 4392 Modoc 5.6 km NW of State Highway 299 on County Road 73. 1500 Comment
  NY650093  Penstemon roezlii N. H. Holmgren 1978-6-8 8882 Modoc Top of mesa, 7.3 km (4.5 miles) airline distance west of Alturas on Crowder Flat road. 1460 Comment
  SFV17481  Penstemon roezlii P. Wilson 1998-7-20 3539 Modoc About 1 mile north of Cedar Pass off Highway 299. 1900 Comment
  UC71744  Penstemon roezlii Mrs. M. H. Manning June 1903 176 Modoc Mt. Bidwell Mt. Bidwell (ne Modoc County) Comment
  UC887105  Penstemon roezlii C. L. Hitchcock 1940-5-28 6719 Modoc 15 mi n Alturas ((near Surprise)); n of Alturas (near Surprise) 1402 Comment
  CAS-BOT-BC232514  Penstemon roezlii Elmer Ivan Applegate 1929-6-24 5886 Modoc Along Pit River above Adin. Comment
  NY650126  Penstemon roezlii R. M. Austin 07 1898 2361 Modoc Comment
  NY650142  Penstemon roezlii M. S. Baker 06 1893 s.n. Modoc Comment
  RSA101673  Penstemon roezlii L. S. Rose 1940-6-13 40562 Modoc Cedar Pass. 2119 Comment
  UC190613  Penstemon roezlii M. F. Gilman 672 Modoc Warner Mts. 1828 Comment
  UC690360  Penstemon roezlii Milo S. Baker 1936-7-14 8340 Modoc about 2 mi w Cedar Pass Camp (along old road to Alturas); Warner Mts., w of Cedar Pass Camp Comment
  CHSC85119  Penstemon rydbergii var. oreocharis John Dittes; Josephine Guardino 1991-7-21 420 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
  HSC80749  Penstemon rydbergii var. oreocharis G. M. Riegel 1980-7-2 816 Modoc S Warner Mtns. 1829 Comment
  JEPS15587  Penstemon rydbergii var. oreocharis Frances D. Payne 1931-6-12 155 Modoc Parker Creek Warner Mountains, Parker Creek 1584 Comment
  SEINET7948426 Image available Penstemon rydbergii var. oreocharis N. H. Holmgren, P. K. Holmgren 2014-6-13 16550 Modoc Warner Mountains, Plum Valley Road 5.1 km (3.2 miles) road distance southeast US HWY 395 (in the small town of Davis Creek) 1708 Comment
  UC102983  Penstemon rydbergii var. oreocharis R. M. Austin Aug. 1894 300 Modoc Davis Creek Comment
  UC748178  Penstemon rydbergii var. oreocharis Annie M. Alexander and Louise Kellogg 1946-6-30 4874 Modoc Highgrade n end of Warner Mountains, Highgrade (w side of ridge, n end of Warner Mountains) 2377 Comment
  UC27471  Penstemon speciosus Mrs. R. M. Austin and Bruce June 1898 2360 Modoc Hillside Comment
  CAS-BOT-BC140469  Peraphyllum ramosissimum Ella Dales Cantelow 1940-5-31 4302 Modoc 3 mi. E. of Canby Comment
  CAS-BOT-BC140471  Peraphyllum ramosissimum Malcom A. Nobs; S. Galen Smith 1949-5-29 766 Modoc East of Kelley Hot Springs Comment
  CHSC67700  Peraphyllum ramosissimum James D. Jokerst 1983-5-31 1815 Modoc Near Hwy. 395 S of Alturas at the base of the upper ramparts of the butte just S of Signal Butte. 1341 Comment
  POM312890  Peraphyllum ramosissimum Malcolm A. Nobs, S. Galen Smith 1949-5-29 766 Modoc East of Kelley Hot Springs. Comment
  UCR34827  Perideridia J. A. Harpel 1981-8-6 V- 17 Modoc Warner Mtns, South Warner Wilderness Area: E end of Patterson Lake, 7 mi NW of Eagleville 2744 Comment
  CAS-BOT-BC15707  Perideridia bolanderi subsp. bolanderi Bruce Bartholomew; Barrett Anderson 1988-6-23 4255 Modoc 4.2 km NW of Day. 1020 Comment
  RSA210845  Perideridia bolanderi subsp. bolanderi R. F. Thorne, J. Henrickson, C. W. Tilforth 1969-9-4 39063 Modoc SW shore of Goose Lake N of McGinty Point 1448 Comment
  UC1389996  Perideridia oregana T. I. Chuang and F. Gleason 1963-8-23 5926 Modoc about 5 mi w Alturas Comment
  HSC81070  Phacelia hastata G. M. Riegel 1980-8-28 1070 Modoc S Warner Mtns. 1739 Comment
  RSA504603  Phacelia hastata subsp. hastata Bruce Bartholomew, B. Anderson 1988-6-23 4267 Modoc 1.8 km WSW of Day on County Road 94. 1170 Comment
  HSC81101  Phacelia heterophylla G. M. Riegel 1980-6-30 776 Modoc S Warner Mtns. 1670 Comment
  CAS-BOT-BC180020  Phacelia heterophylla subsp. virgata Bruce Bartholomew 1992-5-14 6275 Modoc SW side of White Horse Mountains, SW of White Horse Flat Reservoir. 1400 Comment
  JEPS4035  Phacelia heterophylla subsp. virgata Frances D. Payne 1929-6-22 18 Modoc s and e Alturas; Warner Mountains, Parker Creek Comment
  SBBG30500  Phacelia humilis D. Myrick 1968-6-20 1970 Modoc Cedar Pass on St Hwy 299, E of Alturas 1920 Comment
  UC671870  Phacelia humilis John Thomas Howell 1934-6-13 12062 Modoc Fandango Pass Warner Mts. 1828 Comment
  UC748322  Phacelia humilis Annie M. Alexander and Louise Kellogg 1946-6-5 4660 Modoc s Eagleville; Warner Mountains, Emerson Creek 1783 Comment
  CAS-BOT-BC179947  Phacelia linearis Annie Montague Alexander; L. Kellogg 1946-6-18 4798 Modoc Patterson Mill-Silver Creek Rd. 1828 Comment
  JEPS2135  Phacelia linearis L. S. Smith 1103 Modoc Deep Creek Ranger Sta. Warner Mts. (s of mts., w of Cedarville) 1493 Comment
  POM260899  Phacelia linearis Alice Eastwood, J. T. Howell 1940-6-14 8251 Modoc Between Mammoth Cave and Lava Beds National Monument. Comment
  RSA428039  Phacelia linearis Christopher Davidson 1973-5-24 2109 b Modoc South of Alturas along Highway 395 near Likely. 1311 Comment
  SEINET5512250  Phacelia linearis J. C. Beatley 1964-1 Modoc Tule Lake area 1829 Comment
  CAS-BOT-BC179941  Phacelia mutabilis Lawrence Ray Heckard 1952-6-19 312 A Modoc Just below summit of Fandango Pass. 1828 Comment
  UC107417  Phacelia purpusii Mrs. R. M. Austin June 1886 Modoc hills e Goose Lake Val. Comment
  CAS-BOT-BC179929  Phacelia ramosissima var. eremophila John Thomas Howell 1934-6-13 12071 Modoc Fandango Pass. 1828 Comment
  CAS-BOT-BC179931  Phacelia ramosissima var. eremophila Bruce Bartholomew; Barrett Anderson 1990-7-20 5486 Modoc 10.3 km N of Buck Creek Ranger Station, crest of Warner Mountains W side of Warner Mts. 2130 Comment
  RSA165575  Phacelia ramosissima var. eremophila Clare B. Hardham 1961-6-20 7872 Modoc Pine Creek Canyon. 1677 Comment
  CAS-BOT-BC179920  Phacelia tetramera Bruce Bartholomew 1995-6-2 6936 Modoc 6.4 km E of Eagleville, S end of Surprize Valley. 1380 Comment
  CAS-BOT-BC179922  Phacelia tetramera Bruce Bartholomew 1995-5-13 6903 Modoc E of Eagleville near Eagleville Airport, S end of Surprize Valley. 1390 Comment
  CAS-BOT-BC179923  Phacelia tetramera Bruce Bartholomew 1991-5-24 5698 Modoc Surprise Valley, 6.6 km E of Eagleville. 1390 Comment
  HSC10582  Phleum alpinum M. T. Milligan 1966-7-3 532 Modoc Slopes and ridges E of Jess Valley 1829 Comment
  CDA2316  Phleum pratense T. C. Fuller 1958-7-8 2015 Modoc Davis Creek. 0 Comment
  SACT001759  Phleum pratense Herbert Mason 1947-8-13 Modoc Meadow, northeast side of F reservoir, north of Canby Comment
  UC106961  Phlox austromontana Mrs. R. M. Austin Jul 1893 Modoc Pine Creek Comment
  CHSC75517  Phlox caespitosa V. H. Oswald; B. Corbin, A Sanger, G. Schoolcraft 1999-6-12 9765 Modoc Soldier Creek Canyon adjacent to USFS 43N57 in the Warner Mtns. northeast of Stough Reservoir Campground, north side of Hwy. 299, east side of Cedar Pass. 2072 Comment
  UC1124187  Phlox caespitosa R. C. Wilson 1933-5-21 24 Modoc Stone Coal Valley Road at Hess Mine Modoc National Forest, Canby Quad. 1463 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
  UC194970  Phlox diffusa W. P. Taylor and H. C. Bryant 1910-7-1 Modoc Summit of Warren Peak Warner Mountains, Warren Peak Comment
  UCSB11830  Phlox diffusa Haller, John 1961-6-25 Modoc Eagleville-Likely road; 0.5 mi W of crest of Warner Mountains; about 3 mi E of Patterson Ranger Station 2286 Comment
  UC106954  Phlox diffusa Mrs. R. M. Austin 1886-1 Modoc hills e Goose Lake Goose Lake Comment
  UCSB17308  Phlox diffusa J. Haller 1961-6-25 1865 Modoc CA 3 MI S OF PATTERSON RANGER STATION (EAGLEVILLE-LIKELY RD; CA 0.5 MI W OF CREST OF WARNER MOUNTAINS) 2285 Comment
  POM129406  Phlox diffusa subsp. subcarinata M. French Gilman 590 Modoc Modoc Co. Mts. 1677 Comment
  RSA271922  Phlox douglasii subsp. rigida Christopher Davidson 1975-6-4 2604 Modoc Hwy 299 (toward Cedarville), 2.2 mi. east of Hwy 395. 1500 Comment
  SJSU9548  Phlox hoodii subsp. canescens W. Savage 1979-7-3 1282 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  UCR247926  Phlox hoodii subsp. canescens J. R. Keck Jr., Wright 1991-5-30 PDR 725210 Modoc Tionesta, Modoc National Forest 1311 Comment
  POM260879  Phlox hoodii subsp. lanata Alice Eastwood, J. T. Howell 1940-6-14 8239 Modoc Between Mammoth Cave and Lava Beds National Monument. Comment
  SJSU13883  Phlox stansburyi N. A. Hopkins 1985-5-13 1271 Modoc by Hwy 395 c. 30 mi S of Alturas Comment
  CHSC118079  Phlox stansburyi var. brevifolia L. P. Janeway 2016-5-18 12052 Modoc Modoc Plateau. Between Goose Lake and the Devils Garden area; uplands along southwest side of Goose Lake about 2.1 air-km southwest of north end of Road 48 causeway across the lake. 1434 Comment
  CAS-BOT-BC58314  Phoenicaulis cheiranthoides Bruce Bartholomew; Mona Bourell 1990-4-27 5173 Modoc NW side of Rice Flat, ca. 2 km S of Adin Pass. 1540 Comment
  CAS-BOT-BC58584  Phoenicaulis cheiranthoides C. L. Hitchcock 1940-5-27 6673 Modoc 15 mi. NE of Alturas. 1615 Comment
  CHSC67095  Phoenicaulis cheiranthoides James D. Jokerst 1987-5-12 2845 Modoc Radar Survey Site S of Doublehead Mtn., N end of central sector. Comment
  HSC81056  Phoenicaulis cheiranthoides G. M. Riegel 1980-7-18 910 Modoc S Warner Mtns. 1739 Comment
  JEPS96525  Phoenicaulis cheiranthoides Dean W. Taylor 1992-5-8 12559 Modoc Warner Mountains, Mt. Bidwell, ca. 0.5 miles E of Moonlite Mines 2432 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
  SJSU5792  Phoenicaulis cheiranthoides H. L. Buckalew 1961-6-27 Modoc SW facing c. 1 mi N of Cedar Pass on Alturas-Cedarville Rd Comment
  HSC6879  Phoenicaulis cheiranthoides M. T. Milligan 1964-4-25 Modoc 1 mi. up Barns Grade Rd. at stock pens Comment
  CAS-BOT-BC134911  Phoradendron bolleanum Paul F. Covel 1939-8-13 1622 Modoc Lava Beds Nat. Mon. at hdqtrs. Comment
  UC496207  Pinus albicaulis Elmer I. Applegate 1932-7-31 7991 Modoc Mill Creek Meadow Warner Mts., Pit River (head of river) 2438 Comment
  UCR34664  Pinus albicaulis J. A. Harpel 1981-8-6 V 46 Modoc Warner Mtns, South Warner Wilderness Area: E end of Patterson Lake, 7 mi NW of Eagleville 2744 Comment
  UCR78710  Pinus contorta var. murrayana David A. Charlet 1993-8-18 573 Modoc Warner Mtns., 2.8 km north of Eagle Peak 2744 Comment
  CAS-BOT-BC73167  Pinus jeffreyi Elmer I. Applegate 1932-8-4 8147 Modoc Near and south of Cantrall Mill, on road to Mill Creek meadows, Warner Mountains. 1828 Comment
  UCD162394  Pinus monticola Chuck Hughes 2015-9-12 439 Modoc Near the Larry Flat Campground, Modoc National Forest. 1864 Comment
  SEINET11737408  Pinus monticola M. Ownbey, Meyer, F. G. 1940-1 2153 Modoc near summit of Clear Peak, Warner Mountains Comment
  CAS-BOT-BC79033  Pinus ponderosa Elmer I. Applegate 1932-8-4 8144 Modoc About 3 miles above [Cantral] Cantrall Mill, Cherry Creek, on road to Mill Creek Meadows, Warner Mountains 2133 Comment
  NY60273  Pinus washoensis B. M. Bartholomew 1994-7-2 6821 Modoc Just north of South Fork of Davis Creek near the crest of the Warner Mountains 2300 Comment
  CDA13479  Plagiobothrys cognatus G. F. Hrusa, T. D. Wilfred 1996-7-21 13320 a Modoc Modoc Plateau; Along banks of Pit River at Modoc Co. Rd. 90 bridge. E base of Splawn Mtn. N end of Big Valley. 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
  HSC30199  Plagiobothrys cusickii D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19525 Modoc Big Valley Summit, 6 mi. W of Adin on Hwy. 299 Comment
  JEPS119660  Plagiobothrys cusickii Lowell Ahart, John Dittes 2012-7-11 18332 Modoc About 1/8 mile east of the parking area on the east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. Comment
  JEPS121217  Plagiobothrys cusickii Lowell Ahart, John Dittes 2013-7-24 18920 Modoc N side of Ash Creek Floodplain, 0.54 air miles SE of Pilot Butte parking area, 1.1 air miles S of County Road 87, 6.8 air miles W of Adin, Big Valley. Comment
  UCD120801  Plagiobothrys cusickii Herbert L. Mason; Verne Grant 1947-7-12 13415 Modoc Near south end of west side road, Pit River Valley, south of Alturas. Comment
  CHSC117238  Plagiobothrys hispidulus Lowell Ahart; John Dittes 2016-7-16 21255 Modoc Strand of the second pond, south of Ash Creek Canal (now filled in), south of Ash Creek, Ash Creek State Wildlife Area, 0.79 miles (air) south of County Road 87, 1.75 miles (air) west of Adin, Big Valley. 1273 Comment
  JEPS119641  Plagiobothrys hispidulus Lowell Ahart, John Dittes 2012-7-10 18321 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
  RSA0118718  Plagiobothrys leptocladus L. P. Janeway, B. Castro 2014-6-3 11321 Modoc Great Basin. Big Mud Lake, near the northwest edge. 1637 Comment
  CHSC85097  Plagiobothrys mollis var. mollis John Dittes; Josephine Guardino 1991-7-21 414 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-BC58747  Plagiobothrys scouleri Herbert Louis Mason; Verne Grant 1947-7-12 13421 Modoc Near S end of W side road, along railroad tracks, Pit River, S of Alturas. Comment
  RSA164362  Plagiobothrys scouleri var. hispidulus Clare B. Hardham 1961-6-17 7518 Modoc Cedar Pass Camp Ground, Warner Mountains Comment
  RSA165581  Plagiobothrys scouleri var. hispidulus Clare B. Hardham 1961-6-17 s.n. Modoc Cedar Pass Camp Ground, Warner Mountains Comment
  UC1601352  Plagiobothrys stipitatus Milo S. Baker 1898-4-20 629 Modoc Taylor Taylor Mt. Comment
  CAS-BOT-BC58767  Plagiobothrys stipitatus var. micranthus Herbert Louis Mason; Verne Grant 1947-7-12 13410 Modoc W side of Pit River Valley, S of Alturas. Comment
  JEPS64453  Platanthera stricta Leland S. Smith 1918-6-22 943 Modoc n-nw slope along creek Modoc Forest, High Grade District, Pine Creek 1828 Comment
  UC1586854  Platanthera stricta Juha Pykala and D. H. Norris 1987-5-28 1263 Modoc ca. 3-4 mi w Lake City (Lake City Canyon, by a little stream that runs to Mill Creek); Warner Mountains, Modoc National Forest 1798 Comment
  UC1586959  Plectritis Juha Pykala and D. H. Norris 1987-5-27 1009 Modoc Modoc National Forest, Lower Rush Creek Campground Lower Rush Creek Campground; Modoc National Forest, Lower Rush Creek Campground 1430 Comment
  CAS-BOT-BC245394  Plectritis macrocera John Thomas Howell 1934-6-11 11973 Modoc Parker Creek. 1584 Comment
  CAS-BOT-BC245398  Plectritis macrocera Bruce Bartholomew; Barrett Anderson 1989-4-29 4665 Modoc W side of Upper Alkali Lake, 7 km S of Fort Bidwell, Surprise Valley. 1370 Comment
  HSC21688  Plectritis macrocera M. T. Milligan 1965-7-1 406 Modoc Plateau W of Jess Valley. 1829 Comment
  JEPS36545  Pleiacanthus spinosus W. L. Jepson 1918-8-9 7918 Modoc Ft. Bidwell 1432 Comment
  SEINET195478  Pleiacanthus spinosus Annie M. Alexander, Louise Kellogg 1946-7-5 5910 Modoc Lava Cliff west Lower Lake Comment
  UC71610  Pleiacanthus spinosus Mrs. M. H. Manning 1894-3 258 Modoc Mt. Bidwell, ne Modoc County Mt. Bidwell Comment
  RSA339138  Poa bulbosa Margaret J. Williams 1984-6-30 84- 80 -2 Modoc Seepage area near a reservoir 6.8 mi W of Cedarville-Gerlach road. Granger Canyon Rd, Warner Mtns. 1982 Comment
  SEINET7745119  Poa bulbosa M. J. Williams 1984-6-30 84- 80 -2 Modoc Warner Mtns., near a reservoir 6.8 mi. W of Cedarville-Gerlach Rd, along Granger Canyon Rd. 1981 Comment
  CDA2393  Poa compressa T. C. Fuller 1963-8-26 11172 a Modoc West side of Hwy 395 to Lakeview, Ore., 1 mile north of Davis Creek. 0 Comment
  SD96114  Poa cusickii Jack L. Reveal 1976-6-2 1839 Modoc Modoc National Forest near Perez 1280 Comment
  HSC80832  Poa cusickii subsp. epilis G. M. Riegel 1979-7-14 546 Modoc 1739 Comment
  CHSC67143  Poa pratensis James D. Jokerst 1987-5-11 2838 Modoc Radar Survey Site S of Doublehead Mtn., S of Clear Lake Reservoir, at Horse Camp. Comment
  CAS-BOT-BC247616  Poa pratensis subsp. pratensis Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10532 Modoc Patterson Ranger Station (East Creek drainage). 2164 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
  POM203474  Poa secunda J. T. Howell 1934-6-14 12172 Modoc Near Lost Lake, Warner Mts. 2439 Comment
  RSA273306  Poa secunda J. P. Smith, J. O. Sawyer 1972-5-6 5249 Modoc Road 86 just east of Adin 1098 Comment
  RSA534590  Poa secunda Bruce Bartholomew, B. Anderson 1989-6-2 4803 Modoc 6.4 km E of Fort Bidwell on road to Free Reservoir, NE corner of Surprise Valley. 1460 Comment
  RSA602386  Poa secunda L. C. Wheeler 1935-8-2 3742 Modoc Dismal Swamp, Twenty Mile Creek; Warner Mountains 2226 Comment
  UC820951  Poa secunda subsp. juncifolia C. L. Hitchcock 1940-5-28 6725 Modoc 15 mi n Alturas 1402 Comment
  UCD32723  Poa secunda subsp. juncifolia Beecher Crampton 1954-7-7 2161 Modoc 2.5 miles E of Alturas, near radio station KCNO. Comment
  UCD38339  Poa secunda subsp. juncifolia Beecher Crampton; Carl Rimbey 1954-7-7 2124 Modoc Alturas. Comment
  UCD92166  Poa secunda subsp. juncifolia Beecher Crampton 1954-7-6 2085 Modoc 4 miles N of Likely, along US Hwy 395. Comment
  UCD92167  Poa secunda subsp. juncifolia Beecher Crampton; Carl Rimbey 1954-7-7 2126 Modoc Alturas. Comment
  UCD92386  Poa secunda subsp. juncifolia Herbert L. Mason; Malcolm A. Nobs, S. Galen Smith 1949-5-29 765 Modoc 2 miles E of Adin. Comment
  SEINET7855105  Poa secunda subsp. juncifolia I. Tidestrom 1910-6-25 3634 Modoc Modoc NF, Sibley Draw. Comment
  UC70673  Poa secunda subsp. juncifolia Mrs. M. H. Manning June 1903 428 Modoc 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-BC247606  Poa secunda subsp. secunda John Thomas Howell 1934-7-1 12344 Modoc Duncan Horse Camp. 1355 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-BC247664  Poa secunda subsp. secunda C. L. Hitchcock 1940-5-28 6725 Modoc 15 mi. N of Alturas. 1402 Comment
  CAS-BOT-BC247668  Poa secunda subsp. secunda Elmer Ivan Applegate 1927-4-24 5004 Modoc Modoc Battle Ground, Lava Beds. Comment
  UC1024931  Poa secunda subsp. secunda Leo Whitney 1935-6-29 3346 Modoc ca 15 mi nw Canby (Lake Joaquina, Hackamore); Modoc Nat'l Forest 1463 Comment
  CAS-BOT-BC247654  Poa wheeleri Bruce Bartholomew 1990-6-16 5271 Modoc Rock outcrops between roadhead and Pine Creek Basin, W side of Warner Mountains. 2160 Comment
  HSC80840  Poa wheeleri G. M. Riegel 1980-7-15 887 Modoc South Warner Mountains. 2100 Comment
  RSA0025583  Poaceae John F. Emmel 1996-7-16 1437 Modoc Larkspur Hills east of Surprise Valley; along west side of Fee Reservoir adjacent to campground. 1610 Comment
  CAS-BOT-BC179347  Pogogyne floribunda James D. Jokerst 1990-7-31 3204 Modoc Ca. 2 mi. SE of Doublehead Mountain. 1371 Comment
  SEINET4853913  Pogogyne floribunda Louis C. Wheeler 1935-8-25 76793 Modoc Modoc NF: Rim Rock Valley, Devil's Garden. 1524 Comment
  UC1191805  Pogogyne floribunda Herbert L. Mason 1947-8-9 13474 Modoc east side of Fairchild Swamp north of Alturas. Comment
  UC1191807  Pogogyne floribunda Verne Grant, Irving Schneider 1947-8-27 8329 Modoc Embayment at south end of Clear Lake Comment
  CHSC117863  Polemonium micranthum L. P. Janeway 2016-5-16 11979 Modoc Modoc Plateau. Devils Garden area; along Road 47N07 1.8 road-km south of Road 181/73/47N09. 1573 Comment
  CHSC31496  Polemonium occidentale N. E. H. Prouty 1980-8-6 211 Modoc Modoc Nat. Forest. Meadow on southern bank of North Fork Pine Creek. 1524 Comment
  SEINET13761523  Polemonium occidentale subsp. occidentale D. A. Charlet 1989-8-21 590 Modoc Warner Mountains, 1.2 kilometers northwest of Eagle Peak 2579 Comment
  RSA0114934  Polygonum Lowell Ahart, John Dittes 2013-7-24 18911 Modoc On the south side of a levee road, north side of Ash Creek Floodplain, 0.54 mile (air) southeast of Pilot Butte Parking Area, 1.1 miles (air) south of County Road 87, 6.8 miles (air) west of Adin, Big Valley. 1263 Comment
  UC1192331  Polygonum amphibium var. emersum Verne Grant and Irving Schneider 1947-8-27 8326 Modoc Clear Lake; embayment on s end Comment
  CAS-BOT-BC419701  Polygonum austiniae Mrs. R. M. Austin 1895-7-1 134 Modoc Goose Lake Valley Comment
  CHSC106194  Polygonum aviculare Lowell Ahart; John Dittes 2010-8-31 17136 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
  POM312903  Polygonum aviculare Verne Grant, Irving Schneider 1947-7-18 8043 Modoc E side Canal, 5 miles N of Bayley's bridge, S of Alturas. Comment
  JEPS127605  Polygonum aviculare subsp. buxiforme L. P. Janeway 2014-7-8 11473 Modoc Modoc Plateau. East corner of Dry Creek Rim; along Road 47N08 (Corral Creek Road) 5.1 road km NNw of Road 48, along the W edge of Goose Lake. Comment
  RSA0049649  Polygonum aviculare subsp. buxiforme Dean Wm. Taylor 2012-7-18 21280 Modoc Windmill Flat (tributary Juniper Creek, Pit River watershed, 11 miles S of Adin) 1706 Comment
  RSA520457  Polygonum bistortoides K. Paulson, R. Paulson 1989-7-4 169 Modoc 1 miles S of Patterson Ranger Station, S end of Warner Mts. 2122 Comment
  CAS-BOT-BC218134  Polygonum douglasii Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16390 Modoc 5 mi. E of Calif. St. Highway 299 along Cedar Pass road. Comment
  CAS-BOT-BC218138  Polygonum douglasii John Thomas Howell 1934-6-11 11975 Modoc Parker Creek. 1584 Comment
  NY412663  Polygonum kelloggii var. kelloggii A. Tiehm 1984-7-30 8829 Modoc 8.9 road miles northeast of Fort Bidwell on the main road to Adel, just past the road summit 1615.4 Comment
  UC1060643  Polygonum polygaloides Herbert L. Mason 1957-7-6 14725 Modoc Rim Rock, West of Goose Lake Comment
  RSA26457  Polygonum polygaloides subsp. confertiflorum Peter H. Raven, Otto T. Solbrig 1958-6-14 8223 Modoc About small lake, eastern outskirts of Lookout Comment
  RSA65860  Polygonum polygaloides subsp. confertiflorum Alice Eastwood, John T. Howell 1940-6-14 13052 Modoc 8 miles NW of Canby Comment
  UCD77936  Polygonum polygaloides subsp. confertiflorum Robert E. Preston 2000-7-19 1422 Modoc Ca. 9 mi nw of Canby, on n side of Hwy 139, 2.0 mi w of Forest Service Rd 46N10. 1488 Comment
  JEPS19796  Polygonum polygaloides subsp. confertiflorum Rimo Bacigalupi with S. Galen Smith 1957-6-27 5982 Modoc about 9 mi nw of Canby (along State Highway 139); State Highway 139 1584 Comment
  SD215624  Polygonum polygaloides subsp. confertiflorum Louis C. Wheeler 1935-8-22 Modoc Devil's Garden; ca. 0.25 mile southwest of Big Sage Reservoir. Comment
  UCD77937  Polygonum polygaloides subsp. confertiflorum Robert E. Preston 2000-7-18 1411 Modoc Ca. 14 mi nw of Canby, on n side of Hwy 139, 0.5 mi w of Forest Service Rd 44N11. 1467 Comment
  CAS-BOT-BC6535  Polygonum polygaloides subsp. esotericum Louis Cutter Wheeler 1935-8-25 3918 Modoc Rim Rock Valley Reservoir, Devils Garden 1524 Comment
  CHSC81395  Polygonum polygaloides subsp. esotericum R. E. Preston 2000-7-18 1400 Modoc Ca. 12 mi nw of Canby, n side of Hwy 139, 1.7 mi e of Forest Service Rd 33N11. 1490 Comment
  SJSU9618  Polygonum polygaloides subsp. esotericum W. Savage 1979-7-6 1423 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  UCD77941  Polygonum polygaloides subsp. esotericum Robert E. Preston 2000-7-17 1394 Modoc Ca. 9.5 mi nw of Canby, on s side of Hwy 139. 1487 Comment
  UCD77945  Polygonum polygaloides subsp. esotericum Robert E. Preston 2000-7-17 1387 Modoc Ca. 11 mi nw of Canby, on n side of Hwy 139, 2.2 mi e of Forest Service Rd 44N11. 1487 Comment
  SEINET10891363 Image available Polygonum polygaloides subsp. esotericum Louis C. Wheeler 1935-8-25 Wheeler 3918 Modoc Rim Rock Valley Reservoir, Devil's Garden. Modoc Co. S 21, T 46 N, R 12 E. Mt. Diablo Mer. 1524 Comment
  HSC81000  Polygonum polygaloides subsp. kelloggii G. M. Riegel 1980-8-11 1031 Modoc S Warner Mtns. 2100 Comment
  CAS-BOT-BC218146  Polygonum spergulariiforme John Thomas Howell 1934-7-1 12326 Modoc Duncan Horse Camp. 1355 Comment
  CAS-BOT-BC218148  Polygonum spergulariiforme Louis Cutter Wheeler 1935-8-26 3922 Modoc Mud Lake, Devil's Garden. 1524 Comment
  HSC41123  Polygonum spergulariiforme Thomas W. Nelson, Jane P. Nelson, James Nelson 1976-8-29 3247 Modoc Modoc National Forest; along Hwy. 299 just NW of Andin Pass 1524 Comment
  UC1024926  Polypogon monspeliensis Leo Whitney 1935-6-30 3352 Modoc Hackamore Lake Joaquina (ca 15 mi nw of Canby, Modoc National Forest); Modoc National Forest, , Hackamore 1463 Comment
  UC71755  Populus tremuloides Mrs. M. H. Manning 1903-4 72 Modoc near Fort Bidwell (ne Modoc County); near Fort Bidwell Comment
  UC1191467  Portulaca oleracea Verne Grant, Irving Schneider 1947-8-27 8315 Modoc sw end of Clear Lake Clear Lake Comment
  CAS-BOT-BC242248  Potamogeton epihydrus Louis Cutter Wheeler 1935-9-12 3976 Modoc Fletcher Creek, Devil's Garden. 1524 Comment
  UC1099882  Potamogeton epihydrus subsp. nuttallii Herbert L. Mason, Verne Grant 1947-6-12 13397 Modoc several mi s of Alturas (by Jones' Lane, off Hwy 395) Comment
  POM313001  Potamogeton epihydrus var. epihydrus Verne Grant, Irving Schneider 1947-7-21 8127 Modoc N Fork of Pit River by bridge on Hwy 395, N of Alturas. Comment
  CAS-BOT-BC242244  Potamogeton foliosus Verne Grant; I. Schneider 1947-7-29 8178 Modoc Fitzhugh Creek, near Payne Reservoir, S of Alturas. Comment
  UC1099863  Potamogeton foliosus Verne Grant, Irving Schneider 1947-7-29 8178 Modoc s of Alturas (near Payne Reservoir); Fitzhugh Creek Comment
  UC441324  Potamogeton foliosus Milo S. Baker 1899-8-24 Modoc Carmichaels Mill Big Valley Comment
  CAS-BOT-BC242238  Potamogeton gramineus Malcom A. Nobs; Calvin McMillan 1949-6-16 788 Modoc Dry Valley Reservoir, 33 mi. NNW of Alturas. Comment
  CAS-BOT-BC242236  Potamogeton natans Milo Samuel Baker 1899-8-12 s.n. Modoc Egg Lake. Comment
  JEPS42969  Potamogeton natans W. L. Jepson 1918-8-10 7926 Modoc near Alturas 1371 Comment
  UC429  Potamogeton natans Milo S. Baker 1893-7-25 Modoc Egg Lake Comment
  RSA210789  Potamogeton nodosus Robert F. Thorne, C. W. Tilforth 1969-9-4 39046 Modoc Parker Creek at bridge near junction with north fork of Pit River, 5 miles north of Alturas. 1341 Comment
  SEINET10913212  Potamogeton nodosus Milo S. Baker 1899-8-24 Baker s.n. Modoc In Pit River at Sookout. Comment
  UC1100080  Potamogeton pectinatus Verne Grant, Irving Schneider 1947-7-21 8123 Modoc North Fork of Pit River (by bridge on Hwy 395, n of Alturas) Comment
  JEPS42992  Potamogeton richardsonii W. L. Jepson 1918-8-5 7823 Modoc near Likely; South Fork Pitt River Comment
  UC1100101  Potamogeton richardsonii Herbert L. Mason 1947-8-13 13530 Modoc n of Canby (ne side of F Reservoir) Comment
  UC1051443  Potamogeton striatus Herbert L. Mason 1955-8-14 14648 Modoc s. end Goose Lake Comment
  UC1746076  Potamogeton zosteriformis Annetta M. Carter 1946-8-18 1774 Modoc Canby Creek W of Canby. Comment
  UC12515  Potentilla biennis Mrs. R. M. Austin and Bruce June 1898 2307 Modoc Goose Lake Valley Comment
  UC704450  Potentilla biennis Bud Fuller 1936-7-10 68 Modoc 20 mi ne Alturas; ne <of> Alturas 2133 Comment
  UC71672  Potentilla biennis Mrs. M. H. Manning 1902-10-21 Modoc northern slope of Fandango northern slope of Fandango (north-eastern Modoc County) 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
  UC1594784  Potentilla breweri David Charlet 1988-8-13 192 Modoc 10 mi e Patterson Lake (South Warner Mountains); , e of Patterson Lake 2755 Comment
  RSA612793  Potentilla bruceae Louis C. Wheeler 1935-8-1 3734 -B Modoc Dismal Swamp, Twenty Mile Creek, Warner Mountains. 2226 Comment
  RSA520455  Potentilla fruticosa K. Paulson 1990-7-2 212 Modoc Dismal Swamp, Warner Mts. 2195 Comment
  JEPS44193  Potentilla fruticosa L. S. Smith 1918-8-27 1051 Modoc n slope Milk Creek 2438 Comment
  UC639573  Potentilla fruticosa Frances D. Payne 1931-6-22 300 Modoc s slope Owl Creek Owl Creek; Warner Mountains, s slope Owl Creek 2133 Comment
  CAS-BOT-BC214777  Potentilla gracilis Bruce Bartholomew; Barrett Anderson 1988-7-21 4424 Modoc S end of Whitehorse Flat Reservoir. 1340 Comment
  CAS-BOT-BC214785  Potentilla gracilis Bruce Bartholomew; Barrett Anderson 1989-6-3 4860 Modoc Quaking Aspen Spring, between Goose Lake and Clear Lake Reservoir. 1500 Comment
  CAS-BOT-BC214782  Potentilla gracilis Verne Grant; I. Schneider 1947-7-19 8073 Modoc Williams ranch, along Southern Pacific right-of-way near East Canal, in Pit Valley S of Alturas. Comment
  HSC80693  Potentilla gracilis var. fastigiata G. M. Riegel 1979-8-13 661 Modoc S Warner Mtns. 1670 Comment
  JEPS86373  Potentilla gracilis var. fastigiata Jack and Betty Guggolz 1988-6-30 971 Modoc from a sparsely vegetated gravelly flat near the Old Canon Mill Road Comment
  UC584354  Potentilla gracilis var. fastigiata G. L. Stebbins Jr. and J. A. Jenkins 1937-7-15 2370 Modoc Open fields center of Round Valley. Along state Highway. 1066 Comment
  UC748061  Potentilla gracilis var. fastigiata Annie M. Alexander and Louise Kellogg 1946-6-12 4732 Modoc Fort Bidwell 1444 Comment
  UC12520  Potentilla gracilis var. flabelliformis M. S. Baker and Frank Nutting 1894-1 Modoc near Egg Lake; near Egg Lake Comment
  JEPS44440  Potentilla millefolia M. S. Baker and Frank Nutting 1894-6-8 Modoc Low flats Lava beds Forestdale (Forestdale) Comment
  JEPS47223  Potentilla newberryi L. D. Whitney 1935-7-29 3595 Modoc near w end Clear Lake; near w end of Clear Lake Comment
  RSA14932  Potentilla newberryi J. T. Howell 1934-7-2 12356 Modoc Nigger Ben Spring, SE end of Clear Lake. Comment
  UC545842  Potentilla newberryi L. D. Whitney 1935-7-29 3595 Modoc near w end Clear Lake; near w end of Clear Lake Comment
  CDA13450  Potentilla norvegica G. F. Hrusa, T. D. Wilfred 1996-7-21 13297 Modoc Modoc Plateau; About the Modoc Co. Rd. 90 bridge over Pit River. E base of Splawn Mtn. N end of Big Valley. Comment
  UC1191496  Potentilla rivalis Herbert L. Mason, Verne Grant 1947-7-12 13404 Modoc Irrigation ditch by Jones' Lane off Highway 395 several mi s Alturas; s of Alturas Comment
  CAS-BOT-BC225027  Poteridium annuum Bruce Bartholomew; Barrett Anderson 1988-6-23 4240 Modoc 2.1 km SSE of Day on the road to State Highway 299. 1020 Comment
  CAS-BOT-BC225033  Poteridium annuum Margaret J. Williams 1984-6-20 84- 75 -2 Modoc 27.4 mi. N of Cedar Pass road on Hwy 395. 1295 Comment
  CAS-BOT-BC225030  Poteridium annuum Roxana Stinchfield Ferris; R. Duthie 1919-6-15 156 Modoc Parker Creek, Warner Mts. Comment
  CAS-BOT-BC225035  Poteridium annuum D. Toren; Barbara Trowbridge 1975-6-20 5142 Modoc Jess Valley, East of Likely 1097 Comment
  CAS-BOT-BC179341  Prunella vulgaris Bruce Bartholomew; Barrett Anderson 1988-7-21 4602 Modoc Above Upper Rush Creek Campground ca. 4 km E of State Highway 299 between Adin and Canby. 1580 Comment
  POM70066  Prunella vulgaris var. lanceolata Mrs. R. M. Austin 1895-07 443 Modoc Goose Lake Valley. Comment
  JEPS44965  Prunus subcordata W. L. Jepson 1918-8-6 7829 Modoc Davis Creek 1371 Comment
  RSA101376  Prunus subcordata R. Weatherby 1955-7-8 1630 Modoc Warner Mtns. 6 miles N of Ft. Bidwell. 1646 Comment
  CHSC100391  Prunus virginiana var. demissa Lowell Ahart; John Dittes 2008-8-26 15338 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
  RSA59944  Prunus virginiana var. demissa E. K. Balls 1950-5-12 14653 Modoc Hillsides north of Bucks Creek Ranger station, Modoc Nat'l Forest, east of Goose Lake. 1860 Comment
  JEPS126493  Pseudoroegneria spicata Jennifer Mueller July 18-25, 2016 CA 370 -232 Modoc Take county road 27 up Granger Canyon. Comment
  JEPS68373  Pseudoroegneria spicata subsp. spicata Leland S. Smith 1918-6-22 973 Modoc Modoc National Forest, Pine Creek Pine Creek; Modoc National Forest, Pine Creek 2042 Comment
  UC188857  Pseudoroegneria spicata subsp. spicata Milo S. Baker Modoc near Forestdale Comment
  CAS-BOT-BC95218  Pseudostellaria jamesiana Francis Dorris Payne 1932-7-3 601 Modoc Parker Creek. 1584 Comment
  UC189584  Pseudostellaria jamesiana Milo S. Baker 1893-1 Modoc Forestdale Comment
  CAS-BOT-BC50382  Psilocarphus brevissimus var. brevissimus Arnold Tiehm 1984-7-30 8831 Modoc 8.9 road mi. NE of Ft. Bidwell on main road to Adel, just past the road summit 1615 Comment
  CHSC99115  Psilocarphus brevissimus var. brevissimus Lowell Ahart; John Dittes 2008-6-21 14986 Modoc Bottom of a large vernal pool, about 50 yards northwest of a large culvert, about 25 yards west of the large levee, in Big Valley, about 2.8 miles (air) north of the Headquarters at Ash Creek State Wildlife Area, about 5.4 miles (air) northeast of Bieber. 1255 Comment
  UC1192096  Psilocarphus brevissimus var. brevissimus Herbert L. Mason 1947-8-12 13513 Modoc outside Alturas (junction of North and South Forks of Pit River); Pit River Comment
  UC1192095  Psilocarphus oregonus Herbert L. Mason and Verne Grant 1947-7-13 13450 Modoc near Goose Lake (on road to Fort Bidwell, w end of Fandango Pass); Fandango Pass Comment
  HSC65600  Pterospora andromedea Thomas Wood 1979-8-9 234 Modoc Dirt road along Bidwell Creek, 2.7 mi. NW of Jct. with Hwy. 2, N of Fort Bidwell. 1509 Comment
  UCD32748  Puccinellia Beecher Crampton 1954-7-7 2157 Modoc Modoc County, 2.5 miles east of Alturas, near radio station KCNO. Comment
  UCD91528  Puccinellia distans B. Crampton 1954-7-8 2188 Modoc Extension of 4th St. 1.5 miles west of Alturas. Comment
  UCR136425  Puccinellia lemmonii Beecher Crampton 1954-7-6 2084 Modoc Modoc Plateau, 4 miles north of Likely along US Highwy 395 1402 Comment
  UCD93372  Puccinellia nuttalliana Beecher Crampton 1954-7-8 2195 Modoc Modoc County, 3 miles west of Alturas, along US highway 299. Comment
  UC73563  Pyrola asarifolia Milo S. Baker Modoc Forestdale Comment
  UC21709  Pyrola asarifolia Mrs. Bruce 1898-1 Modoc Comment
  CAS-BOT-BC95689  Pyrola picta Milo Samuel Baker 1896-5-15 Modoc Forestdale. Comment
  JEPS19220  Pyrrocoma carthamoides var. cusickii W. L. Jepson 1918-8-14 7986 Modoc Jess Valley 1584 Comment
  JEPS74349  Pyrrocoma carthamoides var. cusickii L. R. Heckard, T. I. Chuang, and R. Bacigalupi 1974-7-24 3768 Modoc 3.5 mi n Cedar Pass (along forest service road); Warner Mts. 2042 Comment
  SEINET6033400 Image available Pyrrocoma carthamoides var. cusickii L. P. Janeway 2014-7-7 11441 Modoc Warner Mountains, east side of crest of Warner Mountains 2.3 air km east of Cedar Pass; along Road 43N07, 1.4 road km east of Stough Reservoir. Cedarville 7.5' quad 2000 Comment
  CAS-BOT-BC50357  Pyrrocoma lanceolata var. subviscosa Harvey Monroe Hall 1925-8-30 12212 Modoc 19 mi. S of Alturas on Hwy 395, at N edge of Likely. Comment
  RSA520492  Quercus garryana var. garryana Bruce Bartholomew 1989-8-10 5025 Modoc Little Hot Spring Valley, 1.6 km NW of Day. 1070 Comment
  SEINET4078931  Quercus kelloggii C. Davidson 1975-1 2626 Modoc 0.7 mile east of Upper Rush Creek Camp on dirt road off highway 299; roughly seven miles north of Adin. Left side of road. 1645 Comment
  SEINET5644361  Quercus kelloggii Christopher Davidson 1975-6-4 2626 Modoc 0.7 mi E of Upper Rush Cr. Camp on dirt rd off Hwy 299 ca. 7 mi N of Adin. Left side of rd, several meters below a roadside seepage area. 5400 ft. elevation.; 0 1645 Comment
  CAS-BOT-BC50362  Raillardella argentea Elmer Ivan Applegate 1932-8-1 8013 Modoc High rocky crest of Warner Mts. S of Warren Peak. Comment
  CAS-BOT-BC217254  Ranunculus alismifolius Leland S. Smith 1920-6-2 1157 Modoc 12-mile Creek. 2042 Comment
  UC72897  Ranunculus alismifolius var. alismifolius Milo S. Baker 1893-1 Modoc Forestdale Comment
  NY492813  Ranunculus alismifolius var. hartwegii L. C. Wheeler 1935-8-4 3774 Modoc Dismal Swamp, Twenty-Mile Creek, Warner Mountains 2225.0 Comment
  CAS-BOT-BC217258  Ranunculus andersonii Bruce Bartholomew; Barrett Anderson 1988-5-13 4163 Modoc Granger Summit, ca. 10 km NW of Pepperdine at the top of the Warner Mts.. 1770 Comment
  CAS-BOT-BC217264  Ranunculus aquatilis var. aquatilis Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-15 16519 Modoc On mesa 11 mi. W of Canby, along Calif. St. Highway 139. Comment
  JEPS60659  Ranunculus aquatilis var. capillaceus Frances D. Payne 1929-7-26 124 Modoc 2 mi sw Warren Mt. (se Modoc Co., pond outlet); Pine Creek Basin 2133 Comment
  CAS-BOT-BC217268  Ranunculus aquatilis var. diffusus Alice Eastwood; John Thomas Howell 1940-6-12 8093 Modoc Jess Valley. Comment
  CHSC99772  Ranunculus aquatilis var. diffusus Lowell Ahart; John Dittes 2008-6-22 15040 Modoc In shallow water, along a natural drainage, about 150 yards north of the road levee, in Big Valley, about 2.1 miles (air) northeast of the Headquarters at Ash Creek State Wildlife Area, about 5.0 miles (air) northeast of Bieber. 1262 Comment
  JEPS114848  Ranunculus aquatilis var. diffusus Lowell Ahart, John Dittes 2008-6-22 15040 Modoc In shallow water, along a natural drainage, about 150 yards north of the road levee, in Big Valley, about 2.1 miles (air) northeast of the Headquarters at Ash Creek State Wildlife Area, about 5.0 miles (air) northeast of Bieber 1262 Comment
  UCD95857  Ranunculus aquatilis var. diffusus Herbert L. Mason; Verne Grant 1947-7-11 13370 Modoc by Jones' Lane, off Highway 395, south of Alturas. Comment
  SEINET12087539  Ranunculus austinae R. M. Austin 1894-1 s.n. Modoc E of Willow Creek Comment
  RSA399404  Ranunculus californicus Christopher Davidson 1973-5-26 2131 Modoc 4 miles W of Canby on Hwy 299. 1341 Comment
  JEPS124388  Ranunculus cymbalaria Lowell Ahart, John Dittes 2015-7-15 20348 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
  JEPS55057  Ranunculus cymbalaria var. saximontanus W. L. Jepson 1918-8-10 7928 Modoc near Alturas 1371 Comment
  POM269960  Ranunculus cymbalaria var. saximontanus W. T. Frost 1925-7-11 9 Modoc Cedar Canyon, 2 miles above Cedaville, Warner Mts, Modoc County Comment
  UC634961  Ranunculus cymbalaria var. saximontanus F. H. Frost 1925-7-11 9 Modoc 2 mi above Cedarville; Warner Mts., Cedar Canyon Comment
  UC71611  Ranunculus flabellaris Mrs. M. H. Manning 1903-5-8 126 Modoc swamp near Alkali Lake (ne Modoc Co.) Comment
  CAS-BOT-BC217206  Ranunculus glaberrimus var. glaberrimus Bruce Bartholomew 1993-4-4 6412 Modoc Barrel Spring Road, W of Big Mud Lake and S of Cow Head Lake. 1740 Comment
  CAS-BOT-BC217208  Ranunculus glaberrimus var. glaberrimus Bruce Bartholomew; Barrett Anderson 1989-4-29 4690 Modoc Surprise Valley Road, just S of the Oregon border, extreme NE corner of Modoc County. 1630 Comment
  CAS-BOT-BC217204  Ranunculus glaberrimus var. glaberrimus Lindsay Stuart Smith; E. H. Steffen 1917-5-21 4 Modoc West Valley Camp. 1524 Comment
  JEPS86347  Ranunculus occidentalis Jack and Betty Guggolz 963 Modoc w Jenkins Comment
  JEPS60695  Ranunculus occidentalis Frances D. Payne 1929-7-7 72 Modoc 2 mi sw Mt. Warren (se Modoc Co.); Pine Creek Basin 2133 Comment
  CAS-BOT-BC217218  Ranunculus occidentalis var. dissectus Annie Montague Alexander; L. Kellogg 1946-6-7 4673 Modoc 0.5 mi. E of Cedarville. 1453 Comment
  CDA24335  Ranunculus occidentalis var. eisenii T. C. Fuller 1963-6-11 10650 Modoc Little Meadow Campground, South Fork of the Pit River, 7.9 miles east of Likely. 0 Comment
  CAS-BOT-BC217216  Ranunculus occidentalis var. ultramontanus L. A. M. Black 1894-6-1 74 Modoc Davis Creek. Comment
  POM275143  Ranunculus oxynotus Louise Kellogg 1946-7-30 5098 Modoc Eagles Peak, Warner Mtns Comment
  RSA210878  Ranunculus sceleratus var. multifidus Robert F. Thorne, James Henrickson, C. W. Tilforth 1969-9-4 s.n. Modoc N Fork of Pit River 3.4 mi N of Alturas where crossed by Hwy 395. 1341 Comment
  CHSC116094  Ranunculus sceleratus var. sceleratus Lowell Ahart; John Dittes 2015-7-16 20378 Modoc North edge of Ash Creek (destroyed), southeast of gravel pit (destroyed), about 1/8 mile east of parking area on east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  HSC103172  Ranunculus testiculatus R. W. Tate, K. Ludwig 2014-3-19 1402 Modoc Modoc National Forest, Devil's Garden RD, Reservoir C parking area. 1513 Comment
  JEPS60665  Ranunculus uncinatus Frances D. Payne 1929-7-7 62 Modoc 2 mi sw Mt. Warren (se Modoc Co.); Pine Creek Basin 2133 Comment
  CAS-BOT-BC58407  Raphanus raphanistrum Bruce Bartholomew 1992-5-17 6351 Modoc Pasture ca. 2 km NW of Day. 1100 Comment
  POM180605  Rhamnus californica J. T. Howell 1930-10-25 5698 Modoc Deep shade on bank of Arroyo Seco river, Santa Lucia Mts Comment
  SEINET13946370 Image available Rhamnus rubra E. K. Balls, P. C. Everett 1952-1 18156 Modoc .3 mi SE of crest of Fandango Pass, Warner Mts., Alt. 6000 ft. Comment
  RSA520469  Rhus trilobata Bruce Bartholomew, B. Anderson 1989-4-27 4622 Modoc Little Hot Springs Valley, 2.9 km. NW of Day 1080 Comment
  CAS-BOT-BC225852  Ribes aureum Bruce Bartholomew; Barrett Anderson 1989-4-28 4651 Modoc 8.8 km N of State Highway 299 on road to Raker & Thomas Reservoir. 1470 Comment
  CAS-BOT-BC225855  Ribes aureum Bruce Bartholomew; Barrett Anderson 1988-5-14 4188 Modoc 2 km S of McGinty Point, edge of causeway across the SW corner of Goose Lake. 1430 Comment
  CAS-BOT-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
  RSA59530  Ribes aureum E. K. Balls 1950-5-20 14809 Modoc 2.1 mi. above South Fork Public Camp along South Fork Pit River. 1463 Comment
  UC71821  Ribes aureum Mrs. M. H. Manning 1903-4 95 Modoc valley near Fort Bidwell Comment
  UCD35235  Ribes aureum Beecher Crampton; with Carl Rimbey 1954-7-8 2186 Modoc 12 miles east of Likely, canyon of the South Fork of the Pit River. Comment
  CAS-BOT-BC225865  Ribes cereum Annie Montague Alexander; L. Kellogg 1946-6-27 4849 Modoc Highgrade, top of ridge, two miles by road from Dismal Swamp, N end of Warner Mts. 2377 Comment
  CAS-BOT-BC225880  Ribes cereum Elmer Ivan Applegate 1932-7-31 7984 Modoc Mill Creek Meadow, Warner Mts. Comment
  CAS-BOT-BC225889  Ribes cereum Bruce Bartholomew; Barrett Anderson 1988-7-22 4551 Modoc Stough Reservoir between Alturas and Cedarville, Warner Mts.. 2000 Comment
  HSC27248  Ribes cereum J. P. Smith, J. O. Sawyer 1972-5-6 5279 Modoc Hill along Lassen Creek on road from Fandango Valley to Davis Creek 1463 Comment
  JEPS27158  Ribes cereum Lauramay T. Dempster 1961-6-20 1713 Modoc ridge just north of junction of Dismal Creek Road with Ft. Bidwell Road; Warner Mts. 2346 Comment
  RSA520365  Ribes cereum Bruce Bartholomew, B. Anderson 1989-4-29 4685 Modoc Surprise Valley Road, just S of the Oregon border, extreme NE corner of Modoc County. 1630 Comment
  SBBG27517  Ribes cereum C. L. Hitchcock 1940-5-27 6695 Modoc 15 mi NE of Alturas 1615 Comment
  UC1127418  Ribes cereum R. C. Wilson 1933-7-7 59 Modoc 3 mi nw Scheffer Mountain; Canby Quadrangle 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
  SEINET7717539  Ribes glutinosum Unknown Modoc Warner Mountain Comment
  NY455307  Ribes montigenum B. M. Bartholomew 1988-6-24 4293 Modoc Road beyond Poison Lake, ca. 8 km south of the road from US Highway 395 to Lily Lake, Warner Mountains 2130 Comment
  RSA0021948  Ribes montigenum A. M. Alexander, Louise Kellogg 1946-6-25 4822 Modoc Dismal Swamp, north end of Warner Mountains. 2256 Comment
  UC11556  Ribes nevadense Milo S. Baker 1893-6 Modoc Comment
  UC11478  Ribes roezlii var. roezlii Milo S. Baker 1893-6-12 Modoc Comment
  JEPS49260  Ribes velutinum Franklin P. Nutting 1894-6-10 Modoc Forestdale Comment
  RSA0019693  Ribes velutinum Beecher Crampton 1954-7-8 2180 Modoc Northeastern edge of Jess Valley, 15 miles east of Likely. Comment
  CAS-BOT-BC173960  Ribes viscosissimum G. Schoolcraft 1988-7-12 1824 Modoc Warner Mtns. along Park Creek Rd. 1 mi. w. of Pepperdine Camp 1950 Comment
  CAS-BOT-BC225936  Ribes viscosissimum Bruce Bartholomew; Barrett Anderson 1988-6-24 4298 Modoc Road beyond Poison Lake ca. 8 km S of the road from U.S. Highway 395 to Lily Lake, Warner Mts.. 2130 Comment
  CAS-BOT-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-BC225946  Ribes viscosissimum C. L. Hitchcock 1940-5-27 6694 Modoc 15 mi. NE of Alturas. 1615 Comment
  SEINET195337 Image available Ribes viscosissimum Annie M. Alexander, L Kellogg 1946-7-1 4894 Modoc Warner Mountains; one half mile south of Dismal Swamp north end of Warner Mountains 2256 Comment
  UC858629 Image available Ribes viscosissimum C. L. Hitchcock 1940-5-27 6694 Modoc 15 mi ne Alturas 1615 Comment
  CAS-BOT-BC225934  Ribes viscosissimum Belknap C. Goldsmith 1910-5-26 10 Modoc Western slopes Warner Mts. Comment
  CAS-BOT-BC50328  Rigiopappus leptocladus Bruce Bartholomew 1993-6-12 6575 Modoc Road to Day Rock from Little Hot Spring Valley. 1200 Comment
  UC90670  Rigiopappus leptocladus Mrs. R. M. Austin Modoc Lost River Canyon Comment
  CHSC114918  Rorippa austriaca D. B. Joley 1976-6-23 7 Modoc Likely, near Alturas. Comment
  RSA210854  Rorippa curvipes var. truncata R. F. Thorne, James Henrickson, C. W. Tilforth 1969-9-4 39111 a Modoc N Fork of Pit River 3.4 mi N of Alturas where crossed by Hwy 395. 1341 Comment
  CAS-BOT-BC58420  Rorippa curvisiliqua Bruce Bartholomew 1995-7-30 7052 Modoc W end of Widow Valley, Big Valley Mountains. 1380 Comment
  CAS-BOT-BC58421  Rorippa curvisiliqua Robert Folger Thorne; C. W. Tilforth 1969-9-5 39170 Modoc Margins of Clear Lake, Warner Mts. 1767 Comment
  CAS-BOT-BC58425  Rorippa curvisiliqua Bruce Bartholomew; Barrett Anderson 1988-6-24 4322 Modoc Lily Lake, W side of the Warner Mts.. 2130 Comment
  CHSC99116  Rorippa curvisiliqua var. orientalis Lowell Ahart; John Dittes 2008-6-21 15000 Modoc In the drying pond, north of the large culvert, east of the large levee, in Big Valley, about 2.8 miles (air) north of the Headquarters at Ash Creek State Wildlife Area, about 5.4 miles (air) northeast of Bieber. 1255 Comment
  CDA25132  Rorippa palustris var. occidentalis T. C. Fuller 1958-7-8 1953 Modoc Corporation Ranch, Likely. 0 Comment
  CAS-BOT-BC497209  Rosa Gladys L. Smith; Margaret Williams; Loring Williams; Charles Smith 1983-9-14 8384 Modoc About 7.0 mi N of Cedarville along side road to Wilson Patch Ranch (see US Forest Serv. map) 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
  CAS-BOT-BC218253  Rosa woodsii var. ultramontana Fred. P. Cronemiller 1919-6-14 26 Modoc Deep Creek. 1524 Comment
  CAS-BOT-BC218259  Rosa woodsii var. ultramontana Bruce Bartholomew; Barrett Anderson 1990-7-20 5547 Modoc N edge of Howard Flat, W side of Warner Mts. 2000 Comment
  CAS-BOT-BC218260  Rosa woodsii var. ultramontana Elmer Ivan Applegate 1929-6-25 5904 Modoc Willow Ranch, E side of Goose Lake. Comment
  CAS-BOT-BC218263  Rosa woodsii var. ultramontana Annie Montague Alexander; L. Kellogg 1946-7-12 4989 Modoc Twelve Mile Creek. Comment
  CAS-BOT-BC218265  Rosa woodsii var. ultramontana Verne Grant; I. Schneider 1947-7-18 8045 Modoc Eastside Canall, 5 mi. N of Bayley's bridge, S of Alturas. Comment
  JEPS47232  Rosa woodsii var. ultramontana Frances D. Payne 1929-7-19 100 Modoc s and e Alturas; Warner Mountains, Parker Creek 2286 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
  HSC80700  Rubus parviflorus G. M. Riegel 1980-7-15 892 Modoc South Warner Mtns. 1670 Comment
  CHSC117144  Rumex crispus Lowell Ahart; John Dittes 2016-7-14 21192 Modoc West of a new pond, south of Ash Creek Canal (now filled in), south of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. 1273 Comment
  HSC17594  Rumex crispus M. T. Milligan 1966-8-1 606 Modoc N end of Jess Valley 1616 Comment
  CAS-BOT-BC211302  Rumex lacustris Herbert Louis Mason; Verne Grant 1947-7-10 13336 Modoc Dorris Reservoir, 2 mi E of Alturas. Comment
  RSA59805  Rumex lacustris E. K. Balls 1950-5-17 14731 Modoc South shore, Clear Lake Bird Refuge 1381 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
  HSC64418  Rumex occidentalis J. P. Smith, J. O. Sawyer 1973-8-9 7257 Modoc Blue Lake, Modoc National Forest 1829 Comment
  CAS-BOT-BC211310  Rumex salicifolius Bruce Bartholomew; Barrett Anderson 1988-7-21 4605 Modoc Above Upper Rush Creek Campground ca. 4 km E of State Highway 299 between Adin and Canby. 1580 Comment
  CAS-BOT-BC211312  Rumex salicifolius Bruce Bartholomew 1990-8-3 5607 Modoc Ash Creek Wildlife Refuge, ca. 2.5 km S of County Road 87 and 7 km W of Adin. 1250 Comment
  CAS-BOT-BC211313  Rumex salicifolius Bruce Bartholomew; Barrett Anderson 1988-7-23 4593 Modoc Pine Creek, 4 km E of U.S Highway 395 on the road to Lily Lake, Warner Mts.. 1620 Comment
  NY430648  Rumex salicifolius subsp. triangulivalvis J. T. Howell 1934-6-15 12189 Modoc Alturas Comment
  CAS-BOT-BC211319  Rumex triangulivalvis Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10550 Modoc Patterson Ranger Station (East Creek drainage). 2164 Comment
  CAS-BOT-BC245204  Sagittaria cuneata Louis Cutter Wheeler 1935-8-5 3787 Modoc Little Lily Lake. 2286 Comment
  CAS-BOT-BC245206  Sagittaria cuneata F. Stephans 17 Jul 847 Modoc S Fork Pitt River. 1249 Comment
  UC1024330  Sagittaria cuneata Annie M. Alexander and Louise Kellogg 1946-7-6 4915 Modoc East Eagleville Comment
  UC482336  Salix boothii Frances D. Payne 1931-7-7 335 Modoc 33 km. se of Alturas; Warner Mts., Pine Creek Basin 2280 Comment
  UC511709  Salix boothii Frances D. Payne 1931-7-8 339 Modoc 33 km. se of Alturas; Warner Mts., Pine Creek Basin 2280 Comment
  POM218964  Salix eastwoodiae Frances D. Payne 1931-7-8 177 Modoc Pine Creek Basin. Warner Mtns. About 33 km SE of Alturas. 2280 Comment
  SBBG28799  Salix eastwoodiae F. D. Payne 1931-6-25 275 Modoc Pine Crk Basin, ca. 33 km SE of Alturas 2280 Comment
  UC433176  Salix eastwoodiae Belknap C. Goldsmith 1911-5-21 25 Modoc e shore Goose Lake; Modoc Forest Comment
  UC481848  Salix eastwoodiae Frances D. Payne 1931-6-25 275 a Modoc ca. 33 km. se Alturas; Warner Mts., Pine Creek Basin 2280 Comment
  UC481867  Salix eastwoodiae Frances D. Payne 1931-7-8 177 Modoc Pine Creek Basin, Warner Mountains, about 33 km southeast of Alturas 2280 Comment
  CAS-BOT-BC225774  Salix exigua Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16366 Modoc Along bank of Pit River, 3.9 mi N of Alturas. Comment
  CAS-BOT-BC225776  Salix exigua H. P. Bracelin 1934-6-13 817 Modoc E side of Bidwell Mt. near foot of grade, about 6 mi. N of Fort Bidwell. Comment
  CAS-BOT-BC225778  Salix exigua Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16365 Modoc Along bank of Pit River, 3.9 mi N of Alturas. Comment
  NY187438  Salix exigua C. R. Ball 1931-6-30 488 Modoc Parker Creek, 20 km east of Alturas; meadow south of Payne Ranch 1560 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
  UC481950  Salix exigua Mrs. H. P. Bracelin and Miss Frances D. Payne 1931-6-30 488 Modoc 20 km e Alturas (Parker Creek, meadow s of Payne Ranch house) 1560 Comment
  HSC30067  Salix geyeriana D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19344 Modoc Near Mill Creek, S Warner Wilderness Area Comment
  NY187774  Salix lasiandra L. C. Wheeler 1935-8-3 3772 Modoc Pine Creek, Warner Mts. 1554.5 Comment
  UCD111524  Salix lasiandra var. caudata Verne Grant; Irving Schneider 1947-7-22 8143 Modoc North Fork of Pit River on Highway 395, about one mile north of junction with Cedarville road. 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
  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
  LA208767  Salix lasiolepis Mrs. H. P. Bracelin; 1931-6-29 487 Modoc Halfway between Adin and Canby 1350.0 Comment
  NY187861  Salix lemmonii F. D. Payne 1931-7-7 332 Modoc Pine Creek Basin, Warner Mountains, about 33 km southeast of Alturas 2280 Comment
  POM229223  Salix lemmonii Louis C. Wheeler 1935-8-3 3760 Modoc Warner Mountains: Pine Creek. 1738 Comment
  RSA610749  Salix lemmonii Louis C. Wheeler 1935-9-11 3971 Modoc Devils Garden: Mulkey Place, Fletcher Creek. 1524 Comment
  UC748349  Salix lemmonii Annie M. Alexander and Louise Kellogg 1946-6-26 4840 Modoc Dismal Swamp n. end Warner Mts., Dismal Swamp 2255 Comment
  SBBG57894  Salix lutea Mrs. H. P. Bracelin, F. D. Payne 1931-6-30 499 Modoc Parker Crk, 20 km E of Alturas S of Payne Ranch 1560 Comment
  UC481795  Salix lutea Mrs. H. P. Bracelin and Miss Frances D. Payne 1931-6-30 499 Modoc 20 km. e. Alturas (meadow s. of Payne Ranch); Parker Creek 1560 Comment
  CAS-BOT-BC229846  Salix prolixa Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16367 Modoc Along banks of Pit River, about 3.9 mi. N of Alturas. Comment
  CAS-BOT-BC229834  Salix scouleriana Francis Dorris Payne 1934-8-1 778 Modoc Pine Creek Basin, Warner Mts. 2316 Comment
  CAS-BOT-BC229836  Salix scouleriana Belknap C. Goldsmith 1911-5-21 26 Modoc E shore of Goose Lake. Comment
  CAS-BOT-BC229838  Salix scouleriana Francis Dorris Payne 1931-6-22 293 Modoc E slope of Mt. Warren, Owl Creek. 2400 Comment
  CAS-BOT-BC229844  Salix scouleriana Francis Dorris Payne 1934-8-1 778 Modoc Pine Creek Basin, Warner Mts. 2316 Comment
  CAS-BOT-BC95559  Salsola tragus Elmer Ivan Applegate 1932-7-6 8191 Modoc Eagleville, Surprise Valley. Comment
  SEINET12765235  Salvia aethiopis Barbara Ertter 1995-7-1 14459 Modoc Hwy395 south of New Pine Creek on Oregon border, at jct of Country Rd. 44, weedy fields and roadside W of hwy.; 0 1463 Comment
  CAS-BOT-BC179238  Salvia dorrii var. dorrii Lindsay Stuart Smith 1918-5-29 929 Modoc Soldier Creek. 1828 Comment
  CAS-BOT-BC179246  Salvia dorrii var. pilosa Alice Eastwood; John Thomas Howell 1940-6-12 8041 Modoc Between Likely and Jess Valley. Comment
  CAS-BOT-BC184102  Salvia dorrii var. pilosa Elmer I. Applegate 1935-6-8 9450 Modoc Lava Beds National Monument. Sconchin Butte Comment
  CAS-BOT-BC184105  Salvia dorrii var. pilosa Elmer I. Applegate 1935-6-5 9343 Modoc Lava Beds National Monument. Captain Jacks Ice Cave Comment
  CAS-BOT-BC95178  Sambucus melanocarpa Belknap C. Goldsmith 1910-7-20 13 Modoc Fandango Creek, W slope of Warner Mts. 1554 Comment
  UC147283  Sambucus mexicana Milo S. Baker 1898-7-20 467 Modoc Taylor Cr. Forestdale Comment
  UC13056  Sanguisorba annua Milo S. Baker 1893-7-15 Modoc Adobe flat (? descriptive term and not a locality name) 1371 Comment
  CAS-BOT-BC15720  Sanicula graveolens K. Paulson; Robert Paulson 1988-5-24 13 Modoc Parker Creek Road, Warner Mts.. 1645 Comment
  CAS-BOT-BC15725  Sanicula graveolens Harry Dwight Dillon Ripley; Rupert Charles Barneby 1944-6-1 5999 Modoc Cedar Pass. 1920 Comment
  RSA59871  Sarcobatus vermiculatus E. K. Balls 1950-5-10 14599 Modoc E. shore Middle lake, near Cedarville 1402 Comment
  JEPS96534  Saxifraga integrifolia Dean Wm. Taylor with Glenn L. Clifton 1992-5-7 12521 Modoc 0.5 mile E of Duncan Reservoir, on hillside on western rim of Black Canyon 1524 Comment
  NY784038  Saxifraga nidifica var. nidifica B. M. Bartholomew 1989-6-2 4776 Modoc Buck Creek, 1 cm [typo for km?] northeast of Fandango Pass Road, west side of the Warner Mountains 1660 Comment
  CAS-BOT-BC245133  Schoenoplectus acutus var. occidentalis R. M. Austin 1895-8-1 487 Modoc Goose Lake. Comment
  CAS-BOT-BC245135  Schoenoplectus acutus var. occidentalis Elmer Ivan Applegate 1929-7-29 6095 Modoc Clear Lake Dam. Comment
  CAS-BOT-BC245127  Schoenoplectus americanus Bruce Bartholomew 1990-6-17 5290 Modoc Surprise Valley, SW side of Lower Alkali Lake, 3.2 km N of Lassen County border. 1370 Comment
  CAS-BOT-BC245130  Schoenoplectus americanus Herbert Louis Mason 1947-8-11 13499 Modoc Hwy 81, W margin of Lower Lake, near boundary with Lassen Co. Comment
  UC1100880  Scirpus nevadensis Malcolm A. Nobs, S. Galen Smith 1949-7-22 1066 Modoc Likely South Fork Pit River, Likely (on dry bank of canals at South Fork Pit River) 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
  UCD92474  Scolochloa festucacea D. Marcum 1997-10-14 s.n. Modoc southern part of county, near border of Lassen County, near town of Adin. 1300 Comment
  UC748465  Scrophularia lanceolata Annie M. Alexander and Louise Kellogg 1946-7-5 4806 Modoc lava cliff w Lower Lake Comment
  RSA427194  Scrophularia lanceolata Francis W. Pennell 1940-6-8 25736 Modoc Route 299, 9-10 miles west of Alturas. 1372 Comment
  CAS-BOT-BC179234  Scutellaria antirrhinoides M. Vasey 1990-6-30 9028 Modoc Around NW margin of Egg Lake, Modoc National Forest 1300 Comment
  UC71618  Scutellaria nana Mrs. M. H. Manning 1903-6-8 166 Modoc Mount Bidwell 1828 Comment
  CAS-BOT-BC95611  Sedum lanceolatum Annie Montague Alexander; L. Kellogg 1946-7-1 4969 A Modoc Mesa West, Eight Mile Creek, northeast corner of county. Comment
  UC205194  Sedum lanceolatum Mrs. M. H. Manning 1907-1 Modoc e side Mt. Bidwell (12 Mile Creek, ne of Modoc Co.); e side Mt. Bidwell, 12 Mile Creek Comment
  JEPS26920  Sedum stenopetalum Wayne Roderick May 1961 966 Modoc Cedar Pass Warner Mtns, Cedar Pass (Warner Mtns on s side of hiway just e of summit) 1889 Comment
  CAS-BOT-BC95616  Sedum stenopetalum subsp. stenopetalum Bruce Bartholomew; Barrett Anderson 1990-7-20 5469 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-BC95618  Sedum stenopetalum subsp. stenopetalum K. Paulson; Robert Paulson 1988-6-11 23 Modoc Parker Creek Road. 1524 Comment
  CAS-BOT-BC50342  Senecio aronicoides Barrett Anderson 1986-7-9 3165 Modoc Near Stough Reservoir. 1965 Comment
  HSC81126  Senecio aronicoides G. M. Riegel 1979-7-5 455 Modoc S Warner Mtns. 2100 Comment
  RSA152713  Senecio eremophilus I. L. Wiggins, Dorothy B. Wiggins 1961-6-12 16370 Modoc At junction of Cedar Pass road with California Highway 299, 5.5 miles N of Alturas. Comment
  CAS-BOT-BC50294  Senecio integerrimus var. exaltatus John Thomas Howell 1934-6-13 12046 Modoc Fandango Pass, Warner Mountains 1828 Comment
  CHSC70469  Senecio integerrimus var. exaltatus S. Stearns 1997-5-13 2247 Modoc S. of County Road 81, near small drainage perpendicular to Rd. 1566 Comment
  UC748073  Senecio integerrimus var. exaltatus Annie M. Alexander and Louise Kellogg 1946-6-26 4838 Modoc Dismal Swamp, n end of Warner Mountains Warner Mountains 2255 Comment
  RSA0124948  Senecio integerrimus var. exaltatus Clare B. Hardham 1961-6-18 7563 Modoc Warner Mountains. Hills 3 miles southeast of Cedar Pass. 1829 Comment
  RSA0125034  Senecio integerrimus var. exaltatus Bruce Bartholomew, B. Anderson 1988-5-14 4198 Modoc 0.8 km W of Goose Lake on USFS road 47N09 to Crowder Flats. 1430 Comment
  UCSB17293  Senecio serra Haller, John 1961-6-25 Modoc Eagleville-Likely road, 0.5 mi W of crest of Warner Mountains, about 3 mi E of Patterson Ranger Station 2286 Comment
  JEPS37280  Senecio serra var. serra F. H. Frost 1925-7-12 67 Modoc Stow's Meadow Warner Mountains, Cedar Canyon Comment
  JEPS117921  Shepherdia argentea L. P. Janeway 2008-8-16 9540 Modoc Surprise Valley Modoc Plateau (east side of Middle Alkali Lake, south side of Hwy 299 10.5 km east of Cedarville.) 1378 Comment
  CAS-BOT-BC225039  Sibbaldia procumbens Annie Montague Alexander; L. Kellogg 1946-6-14 5069 Modoc Horse Mountain, Warner Mts. Comment
  RSA95254  Sidalcea glaucescens F. W. Peirson 6867 Modoc West slope of Warner Mts. on Cedarville Rd Comment
  HSC32488  Sidalcea oregana subsp. oregana A. M. Montalvo, J. D. Ackerman 1974-7-4 360 Modoc Howard's Gulch, 6 mi. NW of Canby, off Hwy. 139. Comment
  RSA31656  Sidalcea oregana subsp. oregana A. A. Heller 1938-6-24 15227 Modoc Between Alturas and Canby. 1341 Comment
  RSA614432  Sidalcea oregana subsp. oregana R. R. Halse 1991-7-28 4246 Modoc Along State Highway 139, 13 miles NW of its junction with State Highway 299 1469 Comment
  UC18887  Sidalcea oregana subsp. oregana Milo S. Baker Jul 11 1893-Jan 1 1900 Modoc Comment
  CAS-BOT-BC191147  Sidalcea oregana subsp. spicata Bruce Bartholomew; Barrett Anderson 1988-6-24 4358 Modoc 9.8 km SW of County road 1 on County Road 42, E side of the Warner Mts.. 1960 Comment
  CHSC70472  Sidalcea oregana subsp. spicata A. Sanger 1997-7-9 2564 Modoc Little Willow Creek at crossing of County Rd. 181, in meadow S of Road. 1499 Comment
  JEPS67273  Sidalcea oregana subsp. spicata Leland S. Smith 1918-8-12 1031 Modoc Camp One s slope South Warner Mts., Modoc Forest, Camp One T38-16 (South Warner Mts., Modoc Forest) 2468 Comment
  JEPS50879  Silene douglasii Frances D. Payne 1929-7-26 118 Modoc 2 mi sw Warren Mt. (southeastern Modoc County); Pine Creek Basin, sw of Warren Mt. 2133 Comment
  UC748473  Silene douglasii Annie M. Alexander and Louise Kellogg 1946-8-9 5128 Modoc Patterson Lake Trail Warner Mountains, Patterson Lake Trail Comment
  SEINET11944331  Silene douglasii M. Ownbey, Meyer, F. G. 1940-1 2154 Modoc Cedar Peak, Warner Mts Comment
  CHSC109499  Silene douglasii var. douglasii L. P. Janeway; B. Castro 2012-7-26 11012 Modoc Warner Mountains. Top of Yellow Mountain; topmost part and wster edge (at the edge of a steep dropoff to the northwest). 2463 Comment
  CAS-BOT-BC95269  Silene menziesii Bruce Bartholomew 1989-7-14 4975 Modoc Vicinity of Upper Rush Creek Camp Ground. 1580 Comment
  CAS-BOT-BC95270  Silene menziesii Bruce Bartholomew 1990-6-17 5330 Modoc Sand Creek, 9.6 mi. E of Cedarville, Surprise Valley. 1390 Comment
  CAS-BOT-BC95275  Silene oregana Bruce Bartholomew 1989-7-15 5022 Modoc Manzanita Lookout, top of Manzanita Mountain. 2130 Comment
  CAS-BOT-BC95276  Silene oregana Leland S. Smith 1922-7-20 1271 Modoc Rush Creek Ranger Station. 2133 Comment
  HSC80710  Silene oregana G. M. Riegel 1980-8-12 1043 Modoc S Warner Mtns. 1670 Comment
  CDA13477  Sisymbrium altissimum G. F. Hrusa, T. D. Wilfred 1996-7-21 13324 Modoc Modoc Plateau; Adjacent to Pit River at Modoc Co. Rd. 90 bridge. E base of Splawn Mtn. N end of Big Valley. Comment
  RSA82892  Sisymbrium altissimum J. M. Tucker 1950-7-25 1968 Modoc beside highway 139, 26.4 miles southeast of Tule Lake Comment
  CAS-BOT-BC95044  Sisymbrium altissimum Gordon H. True 1964-6-3 1452 Modoc South Fork Pit River between Alturas and Goose Lake. 1463 Comment
  CDA36795  Sisymbrium altissimum D. B. Joley 1976-6-23 1 Modoc Likely, near Alturas. 0 Comment
  OBI48154  Sisyrinchium douglasii Rhonda Riggins 1989-4-28 1674 Modoc 0.3 mi W West Warner Rd on parker Creek Rd, W side Warner Mts 1463 Comment
  POM69607  Solanum physalifolium var. nitidibaccatum R. M. Austin 1895-07 s.n. Modoc Goose Lake. Comment
  CAS-BOT-BC245426  Solanum triflorum Verne Grant; Herbert Louis Mason 1947-7-10 13341 Modoc Doris Reservoir, 2 miles east of Alturas 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
  CAS-BOT-BC245428  Solanum triflorum Belknap C. Goldsmith 1912-9-1 74 Modoc Modoc County. 1341 Comment
  CAS-BOT-BC54287  Solidago canadensis subsp. elongata C. C. (Mrs.) Bruce 1894-8-1 61 Modoc Davis Creek. Comment
  HSC6189  Solidago elongata M. T. Milligan 1966-7-27 594 Modoc Slopes and ridges E of Jess Valley 1707 Comment
  UC36236  Solidago elongata Milo S. Baker 1893-6 Modoc 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
  CHSC118797  Solidago velutina subsp. sparsiflora L. P. Janeway 2015-8-9 11825 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
  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
  UC1537629  Sparganium emersum var. emersum Gordon H. True Jr. 1939-7-21 1020 Modoc n of Canby (Jack Swamp); Jack Swamp Comment
  CAS-BOT-BC15684  Sphenosciadium capitellatum Bruce Bartholomew 1992-8-9 6380 Modoc Creek below Patterson Lake on Squaw Peak Trail to Owl Creek Trail, E side of Warner Mountains. 2650 Comment
  UC71760  Sphenosciadium capitellatum Mrs. M. H. Manning August, 1903 199 Modoc Mill Canyon; north-eastern Modoc County Comment
  UC673575  Spiranthes romanzoffiana F. H. Frost 1925-7-24 131 Modoc Jess Valley Warner Mts. Comment
  RSA577897  Spiranthes romanzoffiana Louis C. Wheeler 1935-8-1 3735 Modoc Dismal Swamp, Twenty Mile Creek, Warner Mountains. 2226 Comment
  SEINET11587958  Stachys ajugoides Unknown 2016-8-16 12 -14 Modoc lookout Comment
  CAS-BOT-BC95289  Stellaria longipes var. longipes E. S. Willits 1940-5-17 264 Modoc Willow Ranch. Comment
  CAS-BOT-BC95301  Stellaria umbellata Bruce Bartholomew 1991-8-5 6034 Modoc Squaw Peak Trail on N side of Squaw Peak, E side of Warner Mts. 2420 Comment
  CAS-BOT-BC54252  Stenotus acaulis Robert Patterson; Mona Bourell 1993-8-15 5255 Modoc Warner Mountains. Along trail from Patterson Lake to ca. 2 mi north towards Pepperdine Trailhead. 2743 Comment
  JEPS29181  Stenotus stenophyllus Lauramay T. Dempster 1961-6-18 1687 Modoc Peak just south of Cedar Pass Comment
  UCD136385  Stephanomeria lactucina Richard R. Halse 2006-8-4 6998 Modoc along Patterson Mill Road around 4 miles southwest of its junction with Surprise Valley road, east side of the southern Warner Mountains; Modoc National Forest. 2097 Comment
  CAS-BOT-BC54267  Stephanomeria spinosa Bruce Bartholomew; Barrett Anderson 1990-7-21 5566 Modoc N Barber Creek, road from Surprise Valley to Patterson Ranger Station, E side of Warner Mts. 1710 Comment
  CDA18954  Stephanomeria spinosa Anne M. Corey 2000-6-19 s.n. Modoc Surprise Valley; Growing in Botanical Tours, County Road 18 at Soldier Creek, near Cedarville, Surprise Valley. 0 Comment
  UC748195  Stephanomeria tenuifolia Annie M. Alexander and Louise Kellogg 1946-7-5 4908 Modoc Lava Cliff, w Lower Lake Lower Lake Comment
  UCR163261  Stipa Jim Andre 1993-7-2 1426 Modoc Modoc Plateau, about 10 miles NW of Canby on Hwy 139, near NW end of Oak Ridge 1494 Comment
  HSC13361  Stipa occidentalis var. occidentalis R. C. Wunner 1965-6-20 221 Modoc Lava Beds N. M., Lava Brook Cave. 1463 Comment
  CAS-BOT-BC95051  Streptanthella longirostris Bruce Bartholomew 1994-5-15 6691 Modoc E of Eagleville near the Eagleville Airport, Surprize Valley. 1380 Comment
  HSC6950  Streptanthus cordatus M. T. Milligan 1967-7-8 662 Modoc W slope of Eagle Peak 2500 Comment
  HSC81068  Streptanthus cordatus G. M. Riegel 1980-8-14 1059 Modoc S Warner Mtns. 1739 Comment
  RSA101384  Streptanthus cordatus R. Weatherby 1955-7-8 1628 Modoc 6 miles N of Ft. Bidwell. No. Warner Mtns. 1646 Comment
  CAS-BOT-BC95056  Streptanthus cordatus var. cordatus Elmer Ivan Applegate 1932-7-6 8217 Modoc Summit of Yellow Mountain, Bidwell Pass, Warner Mts. Comment
  CAS-BOT-BC95058  Streptanthus cordatus var. cordatus Leland S. Smith 1918-6-22 965 Modoc Pine Creek, Lily Lake. 1981 Comment
  CAS-BOT-BC95063  Streptanthus cordatus var. cordatus Annie Montague Alexander; L. Kellogg 1946-6-22 4815 Modoc Bidwell Creek, 2 mi. above Fort Bidwell. Comment
  CAS-BOT-BC242162  Streptopus amplexifolius var. americanus Bruce Bartholomew 1989-8-11 5065 Modoc Along Lassen Creek near SE side of Harris Flat, Warner Mountains. 1920 Comment
  CAS-BOT-BC95574  Suaeda calceoliformis Elmer Ivan Applegate 1932-7-6 8197 Modoc E side of Middle Lake, Surprise Valley. Along the nevada state line. Comment
  JEPS90827  Suaeda calceoliformis Dean W. Taylor 1989-8-4 10426 Modoc 2.5 mi e of Eagleville (between Middle Lake and Lower Lake, Modoc Plateau, Surprise Valley); Modoc Plateau, Surprise Valley 1341 Comment
  UC71802  Suaeda calceoliformis Mrs. M. H. Manning 1903-8-25 323 Modoc n end Alkaline Lake (ne Modoc County) Comment
  CAS-BOT-BC180104  Swertia albicaulis var. albicaulis Roxana Stinchfield Ferris; R. Duthie 1919-7-14 92 Modoc Above Parker Creek. Comment
  CAS-BOT-BC180108  Swertia albicaulis var. albicaulis Elmer Ivan Applegate 1897-5-31 327 B Modoc Dry Lake. Comment
  CHSC67112  Swertia albicaulis var. albicaulis James D. Jokerst 1987-5-11 2819 Modoc Radar Survey Site S of Doublehead Mtn., S of Clear Lake Reservoir. 1363 Comment
  CAS-BOT-BC95189  Symphoricarpos rotundifolius var. rotundifolius Annie M. Alexander; Miss Louise Kellogg 1946-7-3 4898 Modoc Bidwell Creek Canyon, 7 miles west of Fort Bidwell, north bank of road. 1444 Comment
  CAS-BOT-BC95192  Symphoricarpos rotundifolius var. rotundifolius John Thomas Howell 1934-6-13 12105 Modoc Warner Mts., North Fork of Barber Creek. 1828 Comment
  JEPS22036  Symphoricarpos rotundifolius var. rotundifolius Herbert L. Mason 1948-7-18 13619 Modoc Cedar Pass; Warner Mountains Comment
  UC711852  Symphoricarpos rotundifolius var. rotundifolius Roxana S. Ferris and Laura Lorraine 1941-8-13 10537 Modoc Patterson Ranger Station Warner Mountains, Modoc National Forest (East Creek drainage) 2164 Comment
  UC71842  Symphyotrichum bracteolatum Mrs. M. H. Manning 1903-8-1 271 Modoc near, (ne Modoc County) Ft. Bidwell Comment
  UC71699  Symphyotrichum foliaceum Mrs. M. H. Manning 1903-8-22 269 Modoc Warner Range Warner Range (ne Modoc County) Comment
  CAS-BOT-BC15151  Symphyotrichum foliaceum var. parryi Bruce Bartholomew; Barrett Anderson 1988-7-23 4591 Modoc Pine Creek, 4 km E of U.S Highway 395 on the road to Lily Lake, Warner Mts.. 1620 Comment
  CAS-BOT-BC15158  Symphyotrichum frondosum E. S. Willits 1939-10-10 165 Modoc Surprise Valley. 1371 Comment
  HSC5058  Symphyotrichum spathulatum var. spathulatum M. T. Milligan 1966-7-28 596 Modoc E slope eroded volcanic plateau 1677 Comment
  CAS-BOT-BC232352  Synthyris missurica Robert Patterson; Mona Bourell 1993-8-14 5230 Modoc Patterson Lake. South Warner Wilderness Area. Warner Mountains. 2743 Comment
  CAS-BOT-BC232353  Synthyris missurica Bruce Bartholomew; Barrett Anderson 1990-7-20 5494 Modoc 10.3 km N of Buck Creek Ranger Station, crest of Warner Mountains W side of Warner Mts. 2130 Comment
  CAS-BOT-BC232355  Synthyris missurica Bruce Bartholomew 1991-6-21 5801 Modoc Vicinity of Lily Lake, N end of the Warner Mountains. 2030 Comment
  CAS-BOT-BC232359  Synthyris missurica Annie Montague Alexander; L. Kellogg 1946-7-14 5067 Modoc Trail to Emerson Camp, Bear Camp Flat. Comment
  CAS-BOT-BC232362  Synthyris missurica Bruce Bartholomew; Barrett Anderson 1988-6-24 4306 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-BC232365  Synthyris missurica C. C. (Mrs.) Bruce 1898-6-1 2132 Modoc Lake City Mt. Comment
  POM228872  Synthyris missurica Louis C. Wheeler 1935-8-5 3788 Modoc Consolidated Mine, Pine Creek, Warner Mountains 2287 Comment
  SEINET13750737  Synthyris missurica M. J. Williams 1984-6-29 84- 72 -4 Modoc Cave Lake, west side of the Warner Mountains. 2134 Comment
  CHSC117362  Taraxacum officinale Lowell Ahart; John Dittes 2016-7-14 21158 Modoc West side of a new pond, south of Ash Creek Canal (now filled in), south of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. 1273 Comment
  CAS-BOT-BC376908  Taraxacum officinale Mrs. R. M. Austin; Mrs. Bruce 1898-5-1 2178 Modoc Modoc Comment
  UC107656  Taraxia subacaulis Mrs. R. M. Austin July 1894 Modoc Goose Lake Valley 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
  RSA603850  Tetradymia canescens L. C. Wheeler 1935-8-6 3792 Modoc 1/4 mi. E Pine Creek (town) edge of Warner Mts. 1555 Comment
  CAS-BOT-BC217127  Thalictrum fendleri Roxana Stinchfield Ferris; R. Duthie 1919-6-3 53 Modoc Parker Creek at Modoc Nat. Forest Boundary. Comment
  CAS-BOT-BC217130  Thalictrum fendleri Bruce Bartholomew 1990-8-4 5620 Modoc Trail from the roadhead to Pine Creek Basin, W side of Warner Mts. 2160 Comment
  CAS-BOT-BC217133  Thalictrum fendleri Leland S. Smith 1922-7-20 1307 Modoc Rush Creek Ranger Station pasture. 1905 Comment
  HSC80768  Thalictrum fendleri G. M. Riegel 1978-7-12 62 Modoc S Warner Mtns. 1670 Comment
  JEPS60732  Thalictrum fendleri Frances D. Payne 1931-6-25 268 Modoc 2 mi sw Mt. Warren (se Modoc Co.); Pine Creek Basin 2316 Comment
  SEINET12086567  Thalictrum occidentale R. M. Austin 1894-1 s.n. Modoc William Creek Comment
  HSC6974  Thlaspi arvense M. T. Milligan 1965-6-23 307 Modoc N end Jess Valley 1616 Comment
  CAS-BOT-BC95083  Thlaspi arvense Leland S. Smith 1919-5-4 1092 Modoc Alturas-Plateau. 1371 Comment
  CDA25249  Thlaspi arvense C. B. Greenbank 1980-5-8 Modoc Clyde Huffman ranch, Tulelake. 0 Comment
  RSA504621  Thlaspi arvense Bruce Bartholomew, B. Anderson 1988-6-25 4379 Modoc SW side of Jess Valley, Warner Mountains. 1540 Comment
  RSA520375  Thysanocarpus curvipes var. curvipes Bruce Bartholomew, B. Anderson 1989-6-1 4738 Modoc Ca. 0.5 km S of State Hwy 299 on road to Shaker Spring. 1420 Comment
  NY1083232  Tiquilia nuttallii B. M. Bartholomew 1989-6-2 4830 Modoc 6.4 km east of Eagleville on the road to the California state border, east side of Surprise Valley 1550 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
  CDA7709  Tragopogon porrifolius T. C. Fuller 1959-7-8 4715 Modoc South of 4th Street, east of East Street, Alturas. 0 Comment
  CHSC106336  Tribulus terrestris Lowell Ahart; John Dittes 2010-8-30 17081 Modoc Parking Area west of the old barn, on the west side of Elkins Lane, Ash Creek State Wildlife area, 320 feet north of Lassen County Line, about 4.4 miles (air) west of Adin, about 7.2 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  JEPS117467  Tribulus terrestris Lowell Ahart, John Dittes 2010-8-31 17132 Modoc West side of Elkins Lane, about 10 yards south of the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley 1267 Comment
  RSA0011493  Tribulus terrestris Robert F. Thorne, Larry E. DeBuhr 1975-8-22 46968 Modoc North edge of Likely along south fork of Pit River 1357 Comment
  CHSC99949  Trichostema oblongum Lowell Ahart; John Dittes 2008-8-26 15346 -A Modoc On the bottom of Rose Creek, 250 feet southwest of confluence of Rose Creek and Pit River, on the northwest side of unnamed road, 3160 feet east of intersection with County Road 85a, 9.3 miles (air) north-northeast of Lookout. 1276 Comment
  UC100820  Trifolium cyathiferum Milo S. Baker 1893-1 Modoc Forestdale Comment
  RSA503246  Trifolium cyathiferum Bruce Bartholomew, B. Anderson 1988-7-22 4517 Modoc SE side of Sunflower Know, southern end of the Warner Mtns. 2160 Comment
  RSA582429  Trifolium cyathiferum Louis C. Wheeler 3727 Modoc Dismal Swamp, Twenty-Mile Creek, Warner Mts. 2226 Comment
  UCD143680  Trifolium cyathiferum Beecher Crampton; Carl W. Rimbey 1954-7-6 2094 Modoc Warner Mountains; 20 miles east of Alturas. At edge of Shields Creek. Comment
  SEINET7073589  Trifolium depauperatum var. depauperatum A. G. Vestal 1955-5-18 s.n. Modoc Modoc lava on Route 139. Modoc National Forest. UTM Zone 10, 646374mE, 4627855mN. Coordinate datum: NAD27. Comment
  JEPS33195  Trifolium gymnocarpon var. plummerae L. S. Smith 1917-1 1156 Modoc Mt. Bidwell, E of Cattle Pass 1920 Comment
  CHSC117356  Trifolium hybridum Lowell Ahart; John Dittes 2016-7-14 21172 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
  SJSU7960  Trifolium hybridum H. L. Buckalew 1961-7-4 Modoc Stowe Reservoir c. 1 mi N of Cedar Pass on Alturas-Cedarville Rd, Warner Mts. 1920 Comment
  UC1553371  Trifolium kingii var. productum Sch/Yor/Hor/Ach 1988-7-16 1832 Modoc e slope Squaw Peak (Susanville); Warner Mtns 2560 Comment
  CAS-BOT-BC181747  Trifolium longipes Bruce Bartholomew 1992-5-16 6328 Modoc Lunsford Spring. 1600 Comment
  CAS-BOT-BC181741  Trifolium longipes R. M. Austin 1894-7-1 Modoc Lake shore. Comment
  CHSC107337  Trifolium longipes subsp. hansenii Lowell Ahart; John Dittes 2011-6-21 17525 Modoc About 250 yards west of the fence, about 250 yards east of the old barn, south edge of the meadow, Ash Creek State Wildlife Area, about 2,300 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  JEPS33197  Trifolium longipes subsp. multipedunculatum L. S. Smith 1918-6-22 968 Modoc Pine Cr. Consol. Mine, Modoc Forest 1981 Comment
  RSA503254  Trifolium longipes subsp. multipedunculatum Bruce Bartholomew, B. Anderson 1988-6-24 4305 Modoc Road beyond Poison Lake, ca. 8 km S of the road from Hwy 395 to Lily Lake, Warner Mountains. 2130 Comment
  JEPS118441  Trifolium longipes var. hansenii Lowell Ahart, John Dittes 2011-6-21 17525 Modoc About 250 yards west of the fence, about 250 yards east of the old barn, south edge of the meadow, Ash Creek State Wildlife Area, about 2,300 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley 1267 Comment
  JEPS33196  Trifolium longipes var. hansenii L. S. Smith 1917-1 792 Modoc Jess Valley Warner Mtns Comment
  CAS-BOT-BC181729  Trifolium macrocephalum R. M. Austin 1894-5-1 Modoc Goose Lake Valley. Comment
  CAS-BOT-BC181737  Trifolium macrocephalum E. S. Willits 1940-4-27 192 Modoc Davis Creek. Comment
  HSC27357  Trifolium macrocephalum D. H. Norris, T. Nelson, S. Dowty 1971-6-23 19414 Modoc Along Hager Basin Rd. near Big Sage Reservoir. Comment
  UC1037201  Trifolium macrocephalum Leo Whitney Modoc near Timbered Mountain (Devil's Garden; NE part of county); Modoc National Forest Comment
  UC147858  Trifolium macrocephalum Milo S. Baker 1891-6-8 Modoc near Egg Lake Comment
  CAS-BOT-BC180168  Trifolium pratense Francis Dorris Payne 1931-6-17 173 Modoc Parker Creek, Warner Mts. 1584 Comment
  JEPS66042  Trifolium pratense Frances D. Payne 1931-6-17 173 Modoc se Alturas (Parker Creek); Warner Mtns Comment
  CHSC116073  Trifolium repens Lowell Ahart; John Dittes 2015-7-16 20366 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-BC180164  Trifolium variegatum Bruce Bartholomew 1991-7-4 5903 Modoc Roney Flat. 1460 Comment
  CAS-BOT-BC180166  Trifolium variegatum Bruce Bartholomew 1994-7-1 6761 Modoc 11.9 km NW of State Hwy. 299 on road to Dutch Flat. 1400