Search Results — 2000 specimen records retrieved (1497 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/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC73548  Abies concolor Roxana S. Ferris; Rena P. Duthie 1919-6-14 118 Modoc Modoc National Fores, Warner Mts. 2286 Comment
  CAS-BOT-BC15638  Achillea millefolium Robert Patterson; Mona Bourell 1993-8-14 5231 Modoc Patterson Lake. South Warner Wilderness Area. Warner Mountains. 2743 Comment
  CAS-BOT-BC15670  Achillea millefolium Bruce Bartholomew 1989-7-14 4926 Modoc Along Rush Creek between Lower and Upper Rush Creek Campgrounds. 1580 Comment
  CHSC100359  Achillea millefolium Lowell Ahart; John Dittes 2008-8-25 15317 Modoc On the east bank (flood plain) of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-notheast of Lookout. 1273 Comment
  RSA606138  Achillea millefolium Louis C. Wheeler 1935-10-6 4027 Modoc Lily Lake, Pine Creek. (Mt. Diablo Mer.) 2073 Comment
  CAS-BOT-BC242284  Achnatherum hymenoides Bruce Bartholomew 1991-6-22 5848 Modoc E side of Surprise Valley, 9.6 km E of Eagleville at the Nevada border. 1520 Comment
  CAS-BOT-BC242285  Achnatherum hymenoides Gordon H. True 1964-6-3 1451 Modoc Cedar Pass. 1524 Comment
  UC1037171  Achnatherum lemmonii Leo Whitney 1935-7-21 3530 Modoc 15 mi w Canby (Happy Camp); Modoc National Forest 1463 Comment
  UCD50448  Achnatherum lemmonii Beecher Crampton; with Carl Rimbey 1954-7-7 2134 Modoc West side of Cedar Pass, Warner Mountains. 1889 Comment
  RSA27042  Achnatherum lemmonii var. lemmonii C. L. Hitchcock 1940-5-28 6724 Modoc near Surprise, ca. 15 miles north of Alturas 1402 Comment
  CAS-BOT-BC242324  Achnatherum lettermanii Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10533 Modoc Pattewrson Ranger Station (East Creek drainage). 2164 Comment
  UCD50901  Achnatherum occidentale August L. Hormay 1932-7-14 s.n. Modoc DD plot site, Modoc National Forest. Comment
  UCD50983  Achnatherum occidentale L. Whitney 1935-7-11 3458 Modoc Glass Mountain, 4 miles east of Medicine Lake. Comment
  UC1024987  Achnatherum occidentale subsp. pubescens Leo Whitney 1935-7-7 3404 Modoc Spaulding's Butte near Hackamore (ca. 15 mi nw of Canby); Modoc National Forest 1463 Comment
  SEINET235271  Achnatherum thurberianum Mike Dolan 1980-10-19 Modoc unspecified 1341 Comment
  UCD103945  Acmispon americanus var. americanus Louis C. Wheeler 1935-9-4 3947 Modoc McGinty Point, Goose Lake. Comment
  UC465629  Aconitum Mrs. M. H. Manning 1907-1 Modoc e. side Mt. Bidwell (12 Mile Creek); n.e. Modoc Co., 12 Mile Creek Comment
  UC465619  Aconitum columbianum Mrs. M. H. Manning 102 Modoc n.e. Modoc Co. Comment
  CAS-BOT-BC218317  Actaea rubra Bruce Bartholomew 1989-7-14 4972 Modoc Cedar Spring. 1480 Comment
  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
  UC71877  Actaea rubra Mrs. M. H. Manning August, 1903 120 Modoc n.e. Modoc Co. 1432 Comment
  RSA504849  Adenocaulon bicolor Bruce Bartholomew, B. Anderson 1988-7-21 4441 Modoc Above Upper Rush Creek Campground ca. 4 km. E of State Highway 299 between Adin and Canby. 1580 Comment
  JEPS124359  Adonis aestivalis Lowell Ahart, John Dittes 2015-7-16 20383 Modoc Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. Comment
  UC2026973  Adonis aestivalis Anthony Baniaga 2011-6-10 323 Modoc Along Highway 299, ca. 0.25 mi E of County Road 75. Quadangle Comment
  UC26073  Agastache parvifolia Milo S. Baker 1893-6 Modoc Egg Lake Shore; on Egg Lake Shore Comment
  CAS-BOT-BC179885  Agastache urticifolia Elmer Ivan Applegate 1932-7-31 7956 Modoc Mill Creek Meadows, W slope of Warner Mountains. Comment
  CAS-BOT-BC179884  Agastache urticifolia Clare Butterworth Hardham 1961-6-18 7565 Modoc Dave Creek, Warner Mts. 2133 Comment
  CAS-BOT-BC15646  Ageratina occidentalis Elmer Ivan Applegate 1932-7-6 8212 Modoc About 1 mi. above Lily Lake. Comment
  CHSC118796  Ageratina occidentalis L. P. Janeway 2015-8-9 11824 Modoc Warner Mountains. On the south side of a knoll on the west side of Road 39N06 2.2 road-km north of Road 64 (39N01 - the road to Patterson campground); 5.8 air-km north-northeast of Blue Lake. 2170 Comment
  HSC42416  Ageratina occidentalis Barbara Kelly 1977-8-9 578 Modoc Trail to Clear Lake; first right hand bend from fork to Mill Creek Falls. Comment
  CAS-BOT-BC15524  Agoseris X dasycarpa Roxana S. Ferris; Laura Lorraine 1941-8-14 10576 Modoc Three miles from Patterson Ranger Station on road to Eagleville. Warner Mountains, Modoc National Forest Comment
  CAS-BOT-BC23035  Agoseris grandiflora var. grandiflora John Thomas Howell 1934-6-13 12079 A Modoc Fandango Pass, Warner Mts. 1828 Comment
  UC29350  Agoseris heterophylla var. heterophylla Milo S. Baker 1893-6-15 Modoc near, rocky slope Pitt River Comment
  CAS-BOT-BC13217  Agoseris monticola Robert J. Weatherby 1955-7-8 1617 Modoc 7 miles N of Ft. Bidwell, northern Warner Mountains 1874 Comment
  UC29392  Agoseris parviflora Mrs. R. M. Austin Jul 1894 Modoc Goose Lake Valley Goose Lake Valley Comment
Read comments Sep 5 2010
  UCD52260  Agrostis exarata Beecher Crampton; Carl W. Rimbey 1954-7-6 2097 Modoc edge of Shield Creek, Warner Mountains. 20 miles east of Alturas. Comment
  JEPS124381  Agrostis gigantea Lowell Ahart, John Dittes 2015-7-16 20370 Modoc Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. Comment
  UC375457  Agrostis scabra Franklin P. Nutting 1894-8-25 Modoc Forestdale Comment
  POM261432  Alisma gramineum Alice Eastwood, J. T. Howell 1940-6-12 8037 Modoc Likely Comment
  RSA69759  Alisma gramineum Alice Eastwood, J. T. Howell 1940-6-12 8037 Modoc Likely Comment
  UC524  Alisma plantago-aquatica Milo S. Baker 1893-7-25 Modoc Egg Lake Comment
  HSC65393  Alisma triviale Thomas Wood 1979-8-8 224 Modoc 1.2 mi. S and then W of Ft. Bidwell, along Hwy. 1, S of road, at edge of creek 1372 Comment
  CAS-BOT-BC245003  Allium acuminatum Elmer Ivan Applegate 1929-6-24 5887 Modoc Between Adin and Canby, Pit River region. Comment
  CAS-BOT-BC245012  Allium acuminatum Leland S. Smith 1918-6-26 938 Modoc Buck Creek Ranger Station. 1600 Comment
  CAS-BOT-BC245016  Allium acuminatum Milo Samuel Baker 1936-6-13 8327 Modoc W entrance to Cedar Pass. Comment
  CAS-BOT-BC245017  Allium acuminatum Bruce Bartholomew 1991-6-23 5876 Modoc 2.6 km NE of Crowder Flat Road on road between Ingall Swamp and Dorris Brothers Reservoir. 1520 Comment
  UC1178813  Allium acuminatum Herbert L. Mason 1947-7-8 13321 Modoc Cedar Pass, summit of Warner Mountains Warner Mountains, Cedar Pass 1921 Comment
  UCR92623  Allium acuminatum Kathy Harper, Dane Karr 1994-6-16 s.n. Modoc Calif. Hwy 139 between Lookout-Hackamore Road and US Hwy 299 1340 Comment
  CAS-BOT-BC245010  Allium acuminatum K. Paulson; Robert Paulson 1988-6-19 53 Modoc Loveness road. 1493 Comment
  JEPS56348  Allium acuminatum Frances D. Payne 1929-6-12 4 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  SEINET12048088  Allium acuminatum Unknown 1945-1 Modoc Comment
  SEINET8111980  Allium acuminatum M. J. Williams 1984-1 Modoc Comment
  SEINET8399361  Allium amplectens Unknown 1919-6-14 Modoc Warner Mts. near Alturas. 2134 Comment
  HSC25435  Allium campanulatum D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19478 Modoc Upper Rush Creek Campground about 8 mi. N of Adin on Hwy. 299 Comment
  CAS-BOT-BC244988  Allium lemmonii K. Paulson; Robert Paulson 1989-7-4 173 Modoc Ca. 0.5 mi. S of Patterson Ranger Station, S end of Warner Mts. 2240 Comment
  HSC2949  Allium lemmonii M. T. Milligan 1964-6-17 43 Modoc 1 mi. N of Hwy. 139 on FS Rd. 44N15 1524 Comment
  SEINET3884708  Allium lemmonii D. W. McNeal 1983-6-6 2849 Modoc In a road side depression (vernal pool?) beside Highway #139, 7.4 miles NW of the junction of Highway #299.; 0 Comment
  HSC2972  Allium parvum M. T. Milligan 1964-4-25 Modoc N side of Doris Reservoir Comment
  CAS-BOT-BC244973  Allium platycaule E. H. Steffen 1917-7-10 74 Modoc Bowman Ranch. 1828 Comment
  CHSC112078  Allium platycaule L. P. Janeway; B. Castro 2014-6-3 11314 Modoc Great Basin. Top of knoll between the lower end of Long Canyon and the lower end of Poison Springs Canyon, overlooking north end of Surprise Valley. 1567 Comment
  POM259541  Allium platycaule C. L. Hitchcock 1940-5-27 6667 Modoc 15 miles northeast of Alturas. 1616 Comment
  RSA249354  Allium platycaule D. H. Norris, T. Nelson, S. Dowty 1971-6-23 19473 Modoc At Upper Rush Creek Campground about 8 miles north of Adin on Highway 299. Comment
  JEPS47608  Allium platycaule Frances D. Payne 1929-6-12 3 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  UCD141775  Allium platycaule L. K. Mann 1955-6-5 s.n. Modoc Near Cedar Pass, 3 miles towards Alturas from Modoc National Forest. Comment
  CAS-BOT-BC244952  Allium tolmiei var. tolmiei Elmer Ivan Applegate 1932-7-9 7586 Modoc Bidwell Mountain. Comment
  CHSC67138  Allium tolmiei var. tolmiei James D. Jokerst. 1987-5-11 Modoc Radar Survey Site S of Doublehead Mtn., S of Clear Lake Reservoir. 1353 Comment
  CAS-BOT-BC242349  Alopecurus aequalis Leland S. Smith 1918-6-22 942 Modoc Willow Creek below Ranger Station. 1676 Comment
  HSC8877  Alopecurus aequalis M. T. Milligan 1964-7-25 171 Modoc Pine Creek Basin, along trail. 2439 Comment
  RSA210773  Alopecurus aequalis J. Henrickson, C. W. Tilforth 1969-9-4 39090 Modoc N Fork of Pit River 3.4 mi. N. of Alturas where crossed by Hwy 395. 1341 Comment
  CHSC110902  Alopecurus carolinianus Lowell Ahart; John Dittes 2012-7-12 1357 Modoc About 1/8 mile east of the parking area on the east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  CAS-BOT-BC242335  Alopecurus geniculatus Bruce Bartholomew 1990-6-17 5307 Modoc Vicinity of Emerson Camp near roadhead, E side of Warner Mts. 1750 Comment
  UC1037157  Alopecurus geniculatus Leo Whitney 1935-7-7 3392 Modoc 4 mi. n.w. Canby (Howard Gulch); Howard Gulch Comment
  CAS-BOT-BC242334  Alopecurus pratensis Bruce Bartholomew; Barrett Anderson 1989-6-1 4747 Modoc ca. 0.5 km W of Davis Creek on road to S end of Goose Lake. 1460 Comment
  CHSC112687  Alopecurus pratensis Lowell Ahart; John Dittes, Todd Sloat 2013-6-8 18768 Modoc Meadow, about 100 yards northeast of the Parking Area, northeast of the old barn, Ash Creek State Wildlife Area, about 3.9 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  RSA488569  Alyssum minus Bruce Bartholomew, B. Anderson 1988-5-13 4179 Modoc Juniper Flats, 10 km E of Likely on road to Jess Valley, W side of the Warner Mtns. 1450 Comment
  JEPS94093  Amaranthus californicus Vernon H. Oswald and Lowell Ahart 1998-9-8 9598 Modoc ca. 20 air mi. n. McArthur (Mosquito Lake on the n. side of Whitehorse Flat Reservoir); Whitehorse Flat Reservoir, Mosquito Lake 1341 Comment
  RSA210861  Amaranthus powellii R. F. Thorne, J. Henrickson, C. W. Tilforth 1969-9-3 39026 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
  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
  NY849710  Amelanchier alnifolia var. alnifolia B. M. Bartholomew 1988-6-24 4315 Modoc Road beyond Poison Lake ca. 8 km south of the road from U.S. Highway 395 to Lily Lake, Warner Mountains 2130 Comment
  RSA453135  Amelanchier pallida Christopher Davidson 1975-6-3 2588 Modoc Hwy 395N of Alturas, E of Goose l. 1 miles S of Willow Ranch. 1341 Comment
  CAS-BOT-BC214635  Amelanchier utahensis Edward Kent Balls 1950-5-20 14790 Modoc South Fork Public Camp, Likely to Clear Lake, South fork Pitt River. 1432 Comment
  CAS-BOT-BC214638  Amelanchier utahensis Alice Eastwood; John Thomas Howell 1940-6-13 8151 Modoc Fandango Pass. Comment
  CAS-BOT-BC217094  Amelanchier utahensis Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16415 Modoc Mountainside near summit of Cedar Pass, between Alturas and Cedarville. Comment
  CAS-BOT-BC217098  Amelanchier utahensis C. C. (Mrs.) Bruce 1894-6-1 72 Modoc Davis Creek. 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
  JEPS25207  Amsinckia intermedia Frances D. Payne 1932-6-10 634 Modoc s and e Alturas (Parker Creek); Warner Mountains, Parker Creek 1584 Comment
  CAS-BOT-BC54157  Amsinckia menziesii John Thomas Howell 1934-6-16 12209 Modoc Parker Creek. 1584 Comment
  CAS-BOT-BC54195  Amsinckia menziesii Bruce Bartholomew; Barrett Anderson 1989-4-29 4697 Modoc E side of Surprise Valley, just W of the Nevada border and ca. 15 km E of Cedarville. 1500 Comment
  CAS-BOT-BC54164  Amsinckia tessellata var. tessellata John Thomas Howell 1934-6-16 12210 Modoc Parker Creek, Warner Mountains 1584 Comment
  CHSC10861  Anemone drummondii Robert A. Mele 1972-7-3 33 Modoc West slope circling Patterson Lake in the Warner Wilderness area. Comment
  CDA33454  Antennaria argentea Dale Woods, V. Popescu, B. Villegas 2010-6-3 Modoc Kelly Springs Rd; about 2 miles southeast of Hwy 299, Modoc National Forest. 0 Comment
  JEPS33961  Antennaria argentea F. H. Frost 1925-7-11 11 Modoc 2 mi above, Cedar Canyon campsite Cedarville; Cedar Canyon Comment
  HSC4654  Antennaria argentea M. T. Milligan 1964-7-1 126 Modoc 6 mi. N of Hwy. 139 on FS Rd. 44N15 1524 Comment
  SEINET6735044 Image available Antennaria argentea M. J. Williams 1984-6-29 84- 72 -2 Modoc Cave Lake, west side of the Warner Mountains. 2134 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-BC15623  Antennaria dimorpha Mrs. H. C. Cantelow 1941-5-23 3510 Modoc 2 mi. W of Adin summit on Hwy 299, E of Bieber. Comment
  POM40357  Antennaria dimorpha Mrs. R. M. Austin 1895-07 s.n. Modoc Goose Lake Valley. Comment
  CAS-BOT-BC15622  Antennaria dimorpha Mrs. H. C. Cantelow 1940-5-31 3221 Modoc 8.9 mi. E of Indian Springs. Comment
  CAS-BOT-BC15625  Antennaria dimorpha E. H. Steffen 1917-5-26 11 Modoc West Valley Camp. 1554 Comment
  CAS-BOT-BC15589  Antennaria luzuloides Ethel S. Willits 1940-5-4 209 Modoc Willow Ranch 1371 Comment
  CAS-BOT-BC15592  Antennaria luzuloides Bruce Bartholomew; Barrett Anderson 1988-6-24 4361 Modoc Vicinity of Patterson Campground, southern end of the Warner Mts.. 2190 Comment
  CHSC107351  Antennaria luzuloides Lowell Ahart; John Dittes 2011-6-22 17554 Modoc About 50 yards east of the road, about 100 yards northeast of the Pilot Butte Parking Lot, north edge of Ash Creek Floodplain, 1.1 miles (air) south of County road 87, 7.7 miles (air) west of Adin, 10 miles (air) east of Lookout, Big Valley. 1264 Comment
  JEPS5980  Antennaria luzuloides Frances D. Payne 1932-6-10 641 Modoc s and e of Alturas; Warner Mountains, Parker Creek 1584 Comment
  RSA518794  Antennaria luzuloides Barbara Ertter 1988-6-18 7625 Modoc Hwy 139, 50 airmiles SW of Klamath Falls, a few miles N of Agric. Inspection Station, 1 mile S of jct to Lava Beds Nat'l Monument E of Tonesta. 1311 Comment
  CAS-BOT-BC15595  Antennaria luzuloides Leland S. Smith 1924-6-23 1430 Modoc Modoc County. Comment
  CHSC85132  Antennaria luzuloides subsp. aberrans John Dittes; Josephine Guardino 1991-6-1 371 Modoc Modoc Plateau; Big Valley; Ash Creek Wildlife Area; ca. 5.7 air-miles northeast of Bieber, ca. 7.6 air-miles west of Adin, ca. 1.5 air-mile southeast of Pilot Butte summit; at northern edge of Ash Creek Floodplain (Big Swamp) at southeast base of Pilot Butte. 1258 Comment
  CHSC66984  Antennaria luzuloides subsp. luzuloides James D. Jokerst 1987-5-11 2836 Modoc Radar Survey site S of Doublehead Mtn., S of Clear Lake Reservoir, W of dry lake, ca. 0.33 mi to end of dirt road, then ca. 200 ft. N. 1353 Comment
  SBBG22250  Antennaria rosea C. B. Hardham 1961-6-20 7883 a Modoc rd from Mt Bidwell to Dismal Crk Comment
  CAS-BOT-BC15557  Antennaria rosea subsp. rosea Clare Butterworth Hardham 1961-6-20 7864 Modoc Pine Creek. 1676 Comment
  CAS-BOT-BC15564  Antennaria umbrinella Robert Patterson; Mona Bourell 1993-8-15 5278 Modoc Warner Mountains. Along trail from Patterson Lake to ca. 2 mi north towards Pepperdine Trailhead. 2743 Comment
  CHSC106210  Anthemis cotula Lowell Ahart; John Dittes 2010-8-31 17097 Modoc Bottom of a small wash, on the east side of Elkins Lane, about 100 yards north of the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  RSA181182  Apera interrupta P. H. Raven, Otto T. Solbrig 1958-6-17 s.n. Modoc Along United States, Highway 299, 2.6 miles west of Alturas. Comment
  CAS-BOT-BC15694  Apocynum androsaemifolium Bruce Bartholomew; Barrett Anderson 1988-7-21 4410 Modoc Whitehorse Mts., 11 km N of Day on the road to Whitehorse Flat Reservoir. 1340 Comment
  UC71837  Apocynum androsaemifolium Mrs. M. H. Manning 1903-6 200 Modoc near Ft. Bidwell Ft. Bidwell; n.e. Modoc Co. Comment
  UC22898  Apocynum cannabinum Mrs. R. M. Austin and Bruce 1898-7-1 2336 Modoc Middle Lake Comment
  UCSC000562  Apocynum pumilum F. H. Frost 1925-7-13 70 Modoc Warner Mountians, Cedar Canyon, Mountian roadside Comment
  UC748478  Aquilegia formosa Annie M. Alexander and Louise Kellogg 1946-7-24 5062 Modoc Bear Camp Flat Warner Mtns (on trail to Emerson Camp) Comment
  CAS-BOT-BC218344  Aquilegia formosa var. formosa Bruce Bartholomew; Barrett Anderson 1988-6-24 4353 Modoc 9.8 km SW of County road 1 on County Road 42, E side of the Warner Mts.. 1960 Comment
  CAS-BOT-BC218345  Aquilegia formosa var. formosa Leland S. Smith 1922-7-7 1256 Modoc High Grade Hill above Dismal Swamp. 2316 Comment
  HSC18039  Aquilegia formosa var. formosa M. T. Milligan 1964-7-25 179 Modoc Pine Creek Basin, along trail. 2439 Comment
  CAS-BOT-BC218339  Aquilegia formosa var. formosa Leland S. Smith 1917-7-29 126 Modoc Mts. Cedarville Pass & North. 1828 Comment
  HSC18038  Aquilegia formosa var. formosa M. T. Milligan 1964-7-4 217 Modoc Lassen Creek above lower campground 1829 Comment
  UC402648  Arabis Mrs. M. H. Manning May 1907 721 Modoc Warner Range Comment
  RSA0001878  Arabis bruceae Mrs. R. M. Austin, Bruce 1898-06 s.n. Modoc Hills near Davis Creek. Comment
  JEPS53058  Arabis lyallii var. lyallii W. L. Jepson 1918-8-7 7893 Modoc n. slope Mt. Bidwell 2438 Comment
  JEPS53115  Arabis puberula Mrs. C. C. Bruce Jun 1898 2247 Modoc Goose Lake hills 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-BC95644  Arctostaphylos nevadensis Elmer Ivan Applegate 1932-7-9 7571 Modoc N slope of Bidwell Mt. Comment
  CAS-BOT-BC95654  Arctostaphylos patula Bruce Bartholomew; Barrett Anderson 1989-4-27 4613 Modoc 2.1 km SSE of Day on road to State Highway 299. 1020 Comment
  RSA298161  Arenaria aculeata J. P. Smith, J. O. Sawyer 1973-8-8 7232 Modoc At or near the summit of Eagle Peak 2988 Comment
  UC465484  Arenaria congesta var. congesta M. F. Gilman 662 Modoc Comment
  UC465483  Arenaria congesta var. subcongesta M. F. Gilman 579 Modoc Modoc Co. Canyons Comment
  UC29621  Arnica chamissonis Mrs. R. M. Austin and Bruce 1898-6-1 2174 Modoc Lake Annie; ; Lake Annie, Modoc Co. Comment
  JEPS35871  Arnica chamissonis Frances D. Payne 1931-6-29 295 Modoc e of Warren Peak; Owl Creek, Warner Mts. 2133 Comment
  UC736124  Arnica chamissonis Annie M. Alexander and Louise Kellogg 1945-7-20 4500 Modoc Bridgeport Meadow 1950 Comment
  CAS-BOT-BC15411  Arnica cordifolia Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16442 Modoc Summit of Cedar Pass. 1920 Comment
  POM203854  Arnica cordifolia J. T. Howell 1934-6-13 12064 Modoc Fandango Pass, Warner Mountains. 1829 Comment
  RSA504632  Arnica cordifolia Bruce Bartholomew, B. Anderson 1988-6-24 4320 Modoc Lily Lake, W side of the Warner Mountains. Sierran montane forest. 2130 Comment
  RSA504848  Arnica discoidea Bruce Bartholomew, B. Anderson 1988-7-21 4443 Modoc Above Upper Rush Creek Campground ca. 4 km. E of State Highway 299 between Adin and Canby. 1580 Comment
  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
  JEPS35880  Arnica longifolia Leland S. Smith 1918-8-18 1041 Modoc Eagle Peak Ridge (s end) Eagle Peak Ridge, North Emerson Lake 2682 Comment
  UC936275  Arnica longifolia Annie M. Alexander and Louise Kellogg 1946-8-3 5100 Modoc head of Eagle Creek Warner Mountains, Eagle Creek Comment
  SEINET6775094 Image available Arnica mollis D. A. Charlet 1989-8-14 476 Modoc Warner Mountains, 1.4 km northwest of Eagle Peak, at spring 2550 Comment
  CAS-BOT-BC15296  Arnica sororia Roxana Stinchfield Ferris; R. Duthie 1919-6-15 143 Modoc Along Parker Creek below Modoc National Forest boundary. Comment
  SEINET2044329 Image available Arnica sororia Arnold Tiehm 1984-6-30 8837 Modoc NW side of Bidwell Mountains, 2.2 road miles north of 8 Mile Creek on the road from Lake Annie; T47N, R16E, S1 1845 Comment
  SEINET3096630 Image available Arnica sororia Alice Eastwood, John Thomas Howell 1940-6-12 8088 Modoc Jess Valley Comment
  UC1584014  Arnica sororia G. Schoolcraft 1990-6-7 2082 Modoc 12 mi ne Alturas; Joseph Creek 1615 Comment
  CAS-BOT-BC242408  Arrhenatherum elatius Leland S. Smith 1919-6-2 1112 Modoc Deep Creek Ranger Station. 1493 Comment
  UCD56036  Arrhenatherum elatius L. S. Smith 1919-6-2 1112 Modoc Deep Creek Ranger Station. Warner Mountains. Comment
  CAS-BOT-BC15218  Artemisia arbuscula subsp. arbuscula Leland S. Smith 1918-8-1 10541 /2 Modoc Squaw Peak - E. Cottonwood slope. 2286 Comment
  POM228877  Artemisia cana L. C. Wheeler 1935-8-30 3931 Modoc Devil's Garden: Lakeshore Reservoir. 1524 Comment
  CAS-BOT-BC15254  Artemisia cana subsp. bolanderi John H. Hatton 1911-6-20 129 Modoc Modoc County. 1524 Comment
  RSA768067  Artemisia douglasiana L. Ahart, John Dittes 2010-8-31 17098 Modoc East side of Elkins Lane, about 10 yrds south of bridge across Ash Creek, Ash Creek State Wildlife Area, 4215 ft north of Lassen County Line, about 4.3 air miles west of Adin, about 7.7 air miles northeast of Bieber, Big Valley. 1268 Comment
  JEPS108113  Artemisia ludoviciana subsp. candicans Anthony B. Walters 2005-9-28 Modoc Brokenera Ranch 1 mi S of New Pine Creek on E side of Hwy 395, near pond on W base of Warner Mountains. Comment
  UC748333  Artemisia ludoviciana subsp. candicans Annie M. Alexander and Louise Kellogg 1946-7-6 4912 Modoc 3.5 mi w Eagleville Comment
  HSC81039  Artemisia ludoviciana subsp. incompta G. M. Riegel 1980-8-21 1094 Modoc South Warner Mountains 2100 Comment
  RSA504654  Artemisia ludoviciana subsp. incompta Bruce Bartholomew, B. Anderson 1988-7-23 4592 Modoc Pine Creek, 4 km E of U. S. Highway 395 on the road to Lily Lake, Warner Mountains. 1620 Comment
  SEINET7153178 Image available Artemisia ludoviciana subsp. incompta R. R. Halse 2006-8-4 6994 Modoc Patterson Station Campground, ca. 15 air miles east of Likely, south end of Warner Mountains. 2109 Comment
  CAS-BOT-BC15267  Artemisia ludoviciana subsp. ludoviciana Louis Cutter Wheeler 1935-8-7 3803 Modoc Pine Creek. 1554 Comment
  CAS-BOT-BC15271  Artemisia ludoviciana subsp. ludoviciana Bruce Bartholomew 1989-8-12 5133 Modoc Deep Creek, E side of Warner Mountains. 1620 Comment
  CHSC106199  Artemisia ludoviciana subsp. ludoviciana Lowell Ahart; John Dittes 2010-8-31 17099 Modoc On the east 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
  HSC65590  Artemisia ludoviciana subsp. ludoviciana Thomas Wood 1979-8-9 238 Modoc Dirt Road along Bidwell Creek, 2.8 mi. NW of junction with Co. Hwy. 2 N of Fort Bidwell 1509 Comment
  CAS-BOT-BC15208  Artemisia tridentata subsp. tridentata Ethel S. Willits 1939-10-10 161 Modoc Surprise Valley. 1371 Comment
  RSA518545  Artemisia tridentata subsp. tridentata George K. Helmkamp 1990-9-23 H- 4 Modoc US Hwy 395, 13 mi. N of Likely. 1341 Comment
  UC1192156  Artemisia tridentata subsp. wyomingensis Verne Grant and Irving Schneider 1947-7-20 8090 Modoc 2 mi e Alturas; Dorris Reservoir 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
  CHSC19724  Asclepias cordifolia J. Grove; S. Grove 1973-6-8 101 Modoc Gooch Mill Site, Dayla. 1005 Comment
  CAS-BOT-BC15662  Asclepias fascicularis Bruce Bartholomew 1989-8-10 5042 Modoc Little Hot Spring Valley, 3.9 km NW of Day. 1070 Comment
  CDA9743  Asclepias fascicularis Claudia Martin 2007-9-5 PDR# 1291664 Modoc Davis Creek; SW side of Goose Lake, south of Point Ranch. Comment
  SEINET195716  Asclepias fascicularis Annie M. Alexander, Louise Kellogg 1946-7-7 4922 Modoc Lake Annie. Comment
  CAS-BOT-BC498751  Asclepias fascicularis L. S. Smith 1918-8-13 1034 Modoc Modoc Forest, below Lost Lake 1828 Comment
  CDA39838  Asclepias fascicularis C. B. Greenbank 1974-7-3 s.n. Modoc 3 miles southwest of Newell, Tulelake area. 0 Comment
  JEPS49947  Asclepias fascicularis L. S. Smith 1918-8-13 1034 Modoc below Lost Lake; Modoc National Forest 1524 Comment
  CAS-BOT-BC15663  Asclepias speciosa Bruce Bartholomew 1994-10-9 6888 Modoc 0.5 km N of Lassen County on road to Eagleville, S end of Surprise Valley. 1380 Comment
  CAS-BOT-BC15665  Asclepias speciosa Bruce Bartholomew 1994-7-4 6847 Modoc Hubert Creek. 1390 Comment
  POM39759  Aster eatonii Mrs. R. M. Austin 1895-08 578 Modoc Goose Lake Comment
  UCR74622  Aster occidentalis R. D. Goeden, J. Teerink 1989-8-23 890823- 15 Modoc Warner Mtns., Modoc National Forest, near east end of Fandango Pass Rd. 1585 Comment
  JEPS86084  Astragalus Wayne Roderick 1966-7-23 Modoc Warner Mountains 2133 Comment
  CDA26650  Astragalus curvicarpus T. C. Fuller 1965-6-3 13605 Modoc West side of Highway 395 to Alturas, 6.5 miles north of Likely. 0 Comment
  CAS-BOT-BC218214  Astragalus curvicarpus var. curvicarpus E. S. Willits 1940-5-21 285 Modoc Willow Ranch. 1371 Comment
  CAS-BOT-BC218218  Astragalus curvicarpus var. curvicarpus Peter Hamilton Raven; Otto Thomas Solbrig 1958-6-18 13335 Modoc 8.6 mi. W of Alturas on Hwy 299. Comment
  CAS-BOT-BC218221  Astragalus curvicarpus var. curvicarpus Elmer Ivan Applegate 1897-5-31 880 Modoc E side of Tule Lake below Bloody Point. Comment
  CAS-BOT-BC218215  Astragalus curvicarpus var. curvicarpus Amos Arthur Heller 1938-6-24 15225 Modoc Roadside between Alturas and Canby. Comment
  NY803546  Astragalus curvicarpus var. curvicarpus R. M. Austin 06 1898 2212 Modoc Comment
  CAS-BOT-BC182070  Astragalus filipes Elmer Ivan Applegate 1897-5-31 881 Modoc Bloody Point, E side of Tule Lake. Comment
  CAS-BOT-BC182072  Astragalus filipes Gordon H. True 1964-6-3 1430 Modoc Surprise Valley, 10 mi. N of Cedarville. 1463 Comment
  CAS-BOT-BC182076  Astragalus filipes Bruce Bartholomew 1991-6-20 5774 Modoc Junction of county roads 87 and 90. 1220 Comment
  CAS-BOT-BC182077  Astragalus filipes Bruce Bartholomew; Barrett Anderson 1989-6-2 4811 Modoc NE side of Upper Lake, 4 km S of road to Fee Reservoir, NE end of Surprise Valley. 1420 Comment
  CHSC117053  Astragalus filipes Lowell Ahart; John Dittes 2016-6-6 20948 Modoc About 120 yards west of the dirt road, about 150 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
  NY658508  Astragalus filipes W. P. Taylor 1910-6-10 s.n. Modoc Warner Mts.,among sage, on South Fork Pitt River, Alturas 1402.1 Comment
  HSC14514  Astragalus filipes R. C. Wunner 1965-6-13 164 Modoc Lava Beds National Monument, Gillems Camp near old dump. 1220 Comment
  RSA0006759  Astragalus filipes H. D. Ripley, R. C. Barneby 1944-5-31 5993 Modoc Mesa NW of Alturas. 1372 Comment
  RSA152721  Astragalus filipes I. L. Wiggins, Dorothy B. Wiggins 1961-6-12 16433 Modoc S facing slope 4 miles E of summit of Cedar Pass, betw Alturas and Cedarville Comment
  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
  SEINET948290  Astragalus filipes Barbara Ertter 1988-1 7619 Modoc Hwy 139 ca 50 airmiles SW of Klamath Falss, a few miles N of Agric. Inspection Station, 1 mi. S of Jct to Lava Beds Nat;l Monument E of Tonest; brunchgrass w/ scattered juniper, shallow soil on basalt. 1311 Comment
  UC13366  Astragalus filipes Milo S. Baker 1893-7-3 Modoc top of bare rocky hill Comment
  SBBG3188  Astragalus gibbsii H. and M. Dearing 1939-6-7 3580 Modoc near Alturas Comment
  CAS-BOT-BC182053  Astragalus malacus Bruce Bartholomew 1994-5-15 6696 Modoc Poison Spring Canyon near junction with Schamp Creek. Ca. 8 km E of Fort Bidwell. 1480 Comment
  SJSU9576  Astragalus obscurus W. Savage 1979-7-3 1330 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  UC13458  Astragalus obscurus Mrs. R. M. Austin and Bruce June 1898 2215 Modoc foothills Goose Lake Comment
  CAS-BOT-BC182023  Astragalus purshii Elmer Ivan Applegate 1936-7-4 10511 Modoc N slope of Caldwell Butte, Lava Beds National Monument. Comment
  HSC71402  Astragalus purshii var. purshii J. P. Smith, J. O. Sawyer 1972-5-6 5266 Modoc Along Hwy. 299, 4 mi. W of Modoc County Rd. 58, E of Alturas 1494 Comment
  RSA531338  Astragalus whitneyi Bruce Bartholomew, M. Bourell 1990-4-28 5202 Modoc 1.9 km SE of Rush Creek on road up Hunters Ridge. 1430 Comment
  UC13373  Astragalus whitneyi Mrs. R. M. Austin 1894-1 Modoc low hills around Goose Lake Goose Lake (Northern California) Comment
  NY696557  Astragalus whitneyi var. confusus B. M. Bartholomew 1990-6-17 5355 Modoc 11.3 km north of Buck Creek Ranger Station, a crest of the Warner Mountains 2130 Comment
  CAS-BOT-BC181993  Astragalus whitneyi var. lenophyllus Bruce Bartholomew; Mona Bourell 1990-4-28 5202 Modoc 1.9 km SE of Rush Creek on road up Hunters Ridge. 1430 Comment
  CAS-BOT-BC182009  Astragalus whitneyi var. lenophyllus R. M. Austin 1894-5-1 Modoc Low hills around Goose Lake. Comment
  CAS-BOT-BC30208  Athyrium alpestre var. americanum Annie Montague Alexander; L. Kellogg 1946-7-23 5056 Modoc Emerson Peak, Warner Mts. Comment
  UC118039  Athysanus pusillus Mrs. R. M. Austin June 1894 Modoc Willow Creek Comment
  UC10228  Athysanus pusillus Milo S. Baker 1893-6-4 Modoc Modoc County, California Modoc County; , California Comment
  POM103069  Atriplex argentea Mrs. R. M. Austin 1895-08 416 Modoc Goose Lake Comment
  NY526833  Atriplex confertifolia B. M. Bartholomew 1989-4-29 4707 Modoc Southwest corner of Lower Lake, 1.8 km north of the Lassen County line, Surprise Valley. 1370 Comment
  NY526834  Atriplex confertifolia B. M. Bartholomew 1989-8-11 5079 Modoc East side of Surprise Valley at Nevada border on State Highway 299 1500 Comment
  RSA97506  Atriplex confertifolia Beecher Crampton 1954-7-7 2152 Modoc 7 miles E of Cedarville. Comment
  JEPS19751  Atriplex gardneri var. falcata Rimo Bacigalupi with S. Galen Smith 1957-6-28 5985 Modoc along roadside of U.S. Highway 299 4.2 mi w Alturas; w of Alturas 1371 Comment
  POM312478  Atriplex rosea H. L. Mason 1947-8-9 13477 Modoc East side of Fairchild Swamp, north of Alturas Comment
  UC1024847  Avena fatua Leo Whitney 1935-6-9 3202 Modoc near White Horse; White Horse lake (Flat) 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
  POM350741  Balsamorhiza hookeri Christopher Davidson 1975-6-4 2600 Modoc 0.4 miles E of Hwy 395 on Hwy 299 toward Cedarville. 1380 Comment
  CAS-BOT-BC15188  Balsamorhiza hookeri var. lanata Alice Eastwood; John Thomas Howell 1940-6-11 8008 Modoc 6 mi. NE of Adin on road to Canby. Comment
  HSC27245  Balsamorhiza sagittata J. P. Smith, J. O. Sawyer 1972-5-6 5272 Modoc Along Hwy. 299, 4 mi. W of Modoc County Rd. 58, E of Alturas 1494 Comment
  UCR132752  Balsamorhiza sagittata George K. Helmkamp, E. A. Helmkamp 1993-5-4 s.n. Modoc 35.6 miles NW of Canby along Calif. Hwy 139 1280 Comment
  HSC81042  Balsamorhiza sagittata G. M. Riegel 1980-7-8 862 Modoc South Warner Mountains 1739 Comment
  RSA0012342  Balsamorhiza sagittata Joan Stewart 2005-6-6 2487 Modoc Stowe Reservoir, Warner Mountains. Comment
  CAS-BOT-BC58670  Barbarea orthoceras Bruce Bartholomew 1994-7-2 6782 Modoc 5.0 km SE of Joseph Creek Basin on the W side of the Warner Mountains. 1930 Comment
  HSC6577  Barbarea orthoceras M. T. Milligan 1964-7-25 181 Modoc Pine Creek Basin, along trail. 2439 Comment
  JEPS118474  Barbarea orthoceras Lowell Ahart, John Dittes 2011-6-21 17518 Modoc About 130 yards west of the fence, south edge of the meadow, Ash Creek State Wildlife Area, about 2,300 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley 1267 Comment
  UC10247  Barbarea orthoceras M. S. Baker and Frank Nutting 1894-6-15 Modoc Meadow, Big Valley Mts. Comment
  CAS-BOT-BC95511  Bassia hyssopifolia Bruce Bartholomew; Barrett Anderson 1990-7-21 5551 Modoc W edge of Middle Alkali Lake, directly E of Cedarville, Surprise Valley. 1370 Comment
  CHSC100116  Bassia hyssopifolia L. P. Janeway; B. Castro 2008-8-16 9547 Modoc Modoc Plateau. Surprise Valley; east side of Middle Alkali Lake, south side of Hwy 299 10.5 km east of Cedarville. 1378 Comment
  JEPS117917  Bassia hyssopifolia L. P. Janeway, B. Castro 2008-8-16 9547 Modoc Surprise Valley Modoc Plateau (east side of Middle Alkali Lake, south side of Hwy 299 10.5 km east of Cedarville) 1378 Comment
  RSA0005404  Beckwithia austinae R. M. Austin, C. C. Bruce 1898-06 2134 Modoc Lake City Mt. Western slope. Comment
  CAS-BOT-BC54180  Berberis aquifolium var. repens Bruce Bartholomew 1995-6-2 6943 Modoc Lake City Canyon on road between Lake City and Benton Meadow, E side of the Warner Mountains. 1690 Comment
  CHSC115484  Berberis aquifolium var. repens L. P. Janeway 2014-7-8 11465 Modoc Modoc Plateau. East corner of Dry Creek Rim; along Road 47N08 (Corral Creek Road) 3.1 road-km north-northwest of Road 48 (along the west edge of Goose Lake). 1650 Comment
  CHSC118298  Berberis aquifolium var. repens L. P. Janeway 2016-5-18 12059 Modoc Modoc Plateau. Northeast corner of the Devils Garden area; along Road 47N37 0.6 km of Road 73/181/47N09. 1626 Comment
  UCR142894  Bergia texana L. C. Wheeler 1935-8-22 3910 Modoc Devil's Garden: South Mt. Reservoir 1524 Comment
  UC1583943  Berula erecta G. Schoolcraft 1990-7-11 2105 Modoc about 2 mi w of West Valley Reservoir 1493 Comment
  CAS-BOT-BC54192  Betula occidentalis Bruce Bartholomew; M. Gilbert; L. Skog 1993-5-10 6468 Modoc Along Emerson Creek below Emerson Campground, E side of Warner Mountains. 1600 Comment
  NY526328  Betula occidentalis J. T. Howell 1934-6-13 12095 Modoc Patterson Mill Road, Warner Mountains 1676.4 Comment
  UC336063  Betula occidentalis unknown May 1880 Modoc Warner Range Comment
  UCR67029  Bidens cernua George K. Helmkamp 1990-9-23 J- 7 Modoc Warner Mtns, Goose Lake, within 0.1 mi of the Oregon border 1476 Comment
  RSA603852  Bidens cernua L. C. Wheeler 1935-9-22 3996 Modoc Warm Springs Valley: Pit River at Rattlesnake Butte. 1341 Comment
  RSA608435  Bidens cernua L. C. Wheeler 1935-9-5 3956 Modoc Tuttle Place, west side Goose Lake 1463 Comment
  UC1192174  Bidens frondosa Verne Grant and Irving Schneider 1947-7-19 8068 Modoc s of Alturas (Corporation ranch; irrigation ditch s of south loop road) Comment
  CAS-BOT-BC218113  Bistorta bistortoides Annie Montague Alexander; L. Kellogg 1946-7-18 5022 Modoc Benton Meadow, Warner Mts. 2072 Comment
  CAS-BOT-BC15086  Blepharipappus scaber Roxana Stinchfield Ferris; R. Duthie 1919-6-13 72 Modoc 2 mi. above Modoc Nat. Forest Boundary on Parker Creek, Warner Mts. 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
  JEPS114489  Blepharipappus scaber Lowell Ahart, John Dittes 2008-8-25 15295 Modoc On the west side of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout 1273 Comment
  POM351057  Blepharipappus scaber Thomas W. Nelson, James Nelson, Jane P. Nelson 1976-8-29 3248 Modoc Modoc National Forest, Growing beside highway 299 just northwest of Adin Pass. 1524 Comment
  UC748334  Blepharipappus scaber Annie M. Alexander and Louise Kellogg 1946-6-10 4709 Modoc slope n Snake Lake Comment
  JEPS53066  Boechera L. S. Smith 1918-6-23 961 Modoc High Grade District Warner Mts. 2286 Comment
  CAS-BOT-BC35123  Boechera puberula E. S. Willits 1940-5-6 225 Modoc Davis Creek. Comment
  CAS-BOT-BC35125  Boechera puberula Leland S. Smith 1920-6-15 1200 Modoc Bieber Range. 1371 Comment
  SJSU9699  Boechera puberula W. Savage 1979-7-10 1535 Modoc Oregon Rim Unit, Devils Garden District, Modoc National Forest 1645 Comment
  UCD150423  Boechera puberula Harry A. George 1967-6-15 s.n. Modoc S. of Adin. Comment
  CHSC13737  Boechera retrofracta J. Grove 1973-5-1 91 Modoc Collected ca. 5 mi w of Day. 1005 Comment
  CAS-BOT-BC58646  Boechera stricta Elmer Ivan Applegate 1932-7-9 7614 Modoc N slope of Bidwell Mountain, Warner Mts. Comment
  CAS-BOT-BC25895  Boechera subpinnatifida B. Bartholomew; M. Bourell 1990-4-27 5193 Modoc 1.1 km east of the Modoc National Forest boundary on Parker Creek Road. 1660 Comment
  OBI47984  Boechera subpinnatifida Rhonda Riggins 1989-4-28 1657 Modoc Pencil Rd, 4.1 mi N of hwy 395 E of Alturas. T43N, R12E, sec 24 1402 Comment
  RSA600323  Boisduvalia stricta Louis C. Wheeler 1935-8-19 3898 Modoc Devil's Garden: Pine Spring. 1524 Comment
  UCR34687  Botrychium simplex J. A. Harpel 1981-8-6 V- 01 Modoc Warner Mtns, South Warner Wilderness Area: E end of Patterson Lake, 7 mi NW of Eagleville 2744 Comment
  RSA152613  Briza maxima I. L. Wiggins, Dorothy Wiggins 1961-6-12 16374 Modoc California Highway 299, 5.5 mi. N of Alturas at junction of Cedar Pass road. Comment
  CHSC115568  Brodiaea coronaria Lowell Ahart; John Dittes 2015-7-15 20340 Modoc About 400 yards northeast of the old barn, on the north side of the overgrown road, Ash Creek State Wildlife Area, about 3.9 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1269 Comment
  CAS-BOT-BC244941  Brodiaea coronaria subsp. coronaria Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-15 16508 Modoc 13 mi. W of Canby along Hwy 139. Comment
  CAS-BOT-BC242404  Bromus briziformis Margaret J. Williams 1969-1-1 s.n. Modoc Jess Valley. Comment
  UCD57494  Bromus briziformis Beecher Crampton; Carl Rimbey 1954-7-6 2103 Modoc 20 miles E of Alturas. Warner Mountains. Above Shields Creek. Comment
  CAS-BOT-BC242443  Bromus carinatus var. carinatus Leland S. Smith 1922-7-17 1303 Modoc Near Alturas. Comment
  JEPS69160  Bromus carinatus var. carinatus Leland S. Smith 1918-6-24 Modoc Modoc National Forest, Pine Creek Pine Creek; Modoc National Forest, Pine Creek 2286 Comment
  UC1137106  Bromus carinatus var. carinatus August L. Hormay 1932-7-15 Modoc Crowder Flat Ranger Station Comment
  UCD59095  Bromus carinatus var. marginatus A. A. Beetle 1941-6-29 2821 Modoc 15 miles west of Alturas, road to Cedarville Pass. 1524 Comment
  UC1024895  Bromus diandrus Leo Whitney 1935-5-23 3119 Modoc 15 mi nw of Canby (Hackamore, Modoc National Forest, Lake Joaquina); Hackamore, Modoc National Forest, Lake Joaquina 1463 Comment
  UCD58615  Bromus hordeaceus A. A. Beetle; G. L. Stebbins Jr. 1942-5-30 3618 Modoc Near Canby. Comment
  CAS-BOT-BC242466  Bromus inermis Leland S. Smith 1924-5-20 s.n. Modoc S side Egg Lake. Comment
  CAS-BOT-BC242467  Bromus inermis M. A. Berry 1957-6-30 s.n. Modoc Warner Mts. 1524 Comment
  SJSU9684  Bromus inermis Wayne Savage 1979-7-26 1569 Modoc Round Willows Unit, Devils Garden Ranger District, Modoc National Forest 1584 Comment
  CAS-BOT-BC242462  Bromus japonicus Bruce Bartholomew; Barrett Anderson 1988-6-23 4219 Modoc 2.1 km SSE of Day on the road to State Highway 299. 1020 Comment
  SEINET231888 Image available Bromus racemosus Unknown 1985-6-23 8599 Modoc Modoc Plateau at the western extension of the Great Basin, between Beeler and Duncan reservoirs north of Canby, near highway 139 1311 Comment
  CAS-BOT-BC242460  Bromus suksdorfii Leland S. Smith 1922-7-20 1277 Modoc Rush Creek Ranger Station. 1905 Comment
  UCD60049  Bromus tectorum var. nudus L. Whitney 1935-5-21 s.n. Modoc Hackamore. Comment
  UCD60048  Bromus tectorum var. nudus E. Wilson 1934-5-14 s.n. Modoc Over pass from Alturas to Cedarville. Comment
  POM312334  Callitriche hermaphroditica H. L. Mason, Verne Grant 1947-7-12 13403 Modoc Irrigation ditch by Jones' Lane, off Hwy 395, several miles S of Alturas. Comment
  UC1101528  Callitriche hermaphroditica Herbert L. Mason and Verne Grant 1947-7-10 13348 Modoc 2 mi e Alturas; Dorris Reservoir Comment
  RSA210862  Callitriche verna R. F. Thorne, James Henrickson, C. W. Tilforth 1969-9-4 39113 Modoc On muddy spit and shore of N Fork of Pit River 3.4 mi. N of Alturas where crossed by Highway 395. 1341 Comment
  CAS-BOT-BC85786  Calocedrus decurrens Frances D. Payne 1932-7-1 651 Modoc Fitzhugh Sprinrings, Warner Mts. 1828 Comment
  CHSC96338  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
  NY18987  Calocedrus decurrens A. D. Borden 1911-8-9 s.n. Modoc This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  CAS-BOT-BC244930  Calochortus leichtlinii Bruce Bartholomew 1989-7-15 5003 Modoc Sweagert Flat. 1860 Comment
  CAS-BOT-BC244932  Calochortus leichtlinii John Thomas Howell 1934-7-13 12101 Modoc N fork of Barber Creek. 1828 Comment
  CAS-BOT-BC244936  Calochortus leichtlinii Fred. P. Cronemiller 1920-8-13 22 Modoc Mill Creek Meadow. 2438 Comment
  CAS-BOT-BC244937  Calochortus leichtlinii Barrett Anderson 1986-7-10 3205 Modoc West Warner Rd just S of the N Fork of Fitzhugh Creek. 1980 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
  CHSC67723  Calochortus longebarbatus J. D. Jokerst 1983-7-20 1862 Modoc NW of town of Lookout, W of country rd. 93, 0.2 miles S of the road fork to either Whitehorse Flat or Lookout Junction. Comment
Read comments Aug 4 2018
  UCD77254  Calochortus longebarbatus Robert E. Preston 2000-7-18 1396 Modoc Ca. 11 mi nw of Canby, along Hwy 139, 2.65 mi e of Forest Service Rd 44N11. 1490 Comment
  CAS-BOT-BC244926  Calochortus macrocarpus Bruce Bartholomew 1989-8-13 5143 Modoc Top of Manzanita Mountain. 2090 Comment
  SJSU10008  Calochortus macrocarpus H. L. Buckalew 1961-6-28 Modoc opposite Upper Lake in Surprise Valley NE of Fort Bidwell 1402 Comment
  UC118787  Caltha leptosepala Mrs. R. M. Austin July 1894 139 Modoc Lassen Creek Comment
  POM65988  Calystegia occidentalis subsp. occidentalis Milo S. Baker 1893-7-20 9967 Modoc Modoc Comment
  UC912344  Calystegia occidentalis subsp. occidentalis F. H. Frost 1924-7-24 123 Modoc Jess Valley , Jess Valley (Warner Mts.) Comment
  POM192610  Camassia Franklin P. Nutting s.n. Modoc Forestdale Comment
  RSA17455  Camassia quamash subsp. breviflora Elmer I. Applegate 1929-6-24 5897 Modoc Davis Creek, east side of Goose Lake Valley Comment
  RSA59524  Camassia quamash subsp. breviflora E. K. Balls 1950-5-21 14816 Modoc Around South Fork Public Camp, South Fork Pit River, Likely to Jess Valley 1433 Comment
  JEPS61553  Camassia quamash subsp. quamash Milo S. Baker Jun 21 1893-Jul 21 1893 Modoc Modoc County Comment
  JEPS61559  Camassia quamash subsp. quamash Frances D. Payne 1929-6-19 11 Modoc s and e of Alturas (Warner Mountains, Parker Creek); Warner Mountains, Parker Creek 1584 Comment
  CDA42957  Camelina microcarpa L. Ahart, John Dittes, Todd Sloat 2013-6-8 18757 Modoc On the north side of levee, about 100 yards north of the Parking Area, northwest of the old barn, Ash Creek State Wildlife Area, about 3.9 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. Comment
  CHSC85128  Camelina microcarpa John Dittes; Josephine Guardino 1991-6-1 345 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
  RSA165509  Camelina microcarpa Clare B. Hardham 1961-6-18 7803 Modoc Lava Flows, north fork Pitt River 3.3 miles SW of Cedar Pass turn off. Comment
  UCD150429  Camelina microcarpa Harry A. George 1966-6-2 s.n. Modoc Davis Creek, Lakeside Ranch. Comment
  CAS-BOT-BC191122  Camissonia andina Alice Eastwood; John Thomas Howell 1940-6-15 8291 Modoc 9 mi. N of Lookout. Comment
  CAS-BOT-BC191126  Camissonia andina H. Rickabaugh; R. Hass 1980-6-12 Modoc Vernal pool area, Devil's Garden, near Alturas Airport. Comment
  CAS-BOT-BC191127  Camissonia andina Alice Eastwood; John Thomas Howell 1940-6-13 8118 Modoc Surprise. Comment
  CAS-BOT-BC191130  Camissonia andina Bruce Bartholomew 1995-6-2 6946 Modoc About 0.3 km E of Barrel Spring road on road from Fort Bidwell to Fee Reservoir. 1510 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
  RSA75376  Camissonia andina F. W. Peirson 1926-6-25 6869 Modoc Cedarville Pass, Warner Mountains. Comment
  CAS-BOT-BC191119  Camissonia boothii subsp. alyssoides Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-10 6451 Modoc At the Nevada border directly E of Eagleville, E side of Surprise Valley. 1520 Comment
  CAS-BOT-BC191120  Camissonia boothii subsp. alyssoides Bruce Bartholomew; Barrett Anderson 1989-6-2 4812 Modoc Sand dunes at the SE corder of Upper Alkali Lake, E side of Surprise Valley. 1400 Comment
  NY851234  Camissonia claviformis var. cruciformis B. M. Bartholomew 1989-6-2 4838 Modoc 6.4 km east of Eagleville on the road to the California state border, east side of Surprise Valley 1550 Comment
  UC1368464  Camissonia contorta R. K. Gierisch 1969-7-15 3543 Modoc Modoc <National> Forest Comment
  RSA600332  Camissonia subacaulis Louis C. Wheeler 1935-8-1 3731 Modoc Warner Mountains: Dismal Swamp, Twenty Mile Creek. 2226 Comment
  NY852076  Camissonia tanacetifolia B. M. Bartholomew 1988-5-13 4176 Modoc West side of Jess Valley on West Warner Road, west side of the Warner Mountains 1600 Comment
  NY852080  Camissonia tanacetifolia R. J. Weatherby 1955-7-8 1616 Modoc 7 miles north of Fort Bidwell 1875 Comment
  NY852162  Camissonia tanacetifolia L. C. Wheeler 1935-8-2 3744 Modoc Twelve Mile Creek, Warner Mountains 2195 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-BC191085  Camissonia tanacetifolia subsp. tanacetifolia Leland S. Smith 1918-5-16 926 Modoc Centerville Road W of Alturas. Comment
  CHSC117505  Capsella bursa-pastoris Lowell Ahart; John Dittes 2016-7-14 21161 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-BC242328  Carex abrupta Robert Patterson; Mona Bourell 1993-8-14 5219 Modoc Patterson Lake. South Warner Wilderness Area. Warner Mountains. 2743 Comment
  UC1024316  Carex abrupta Annie M. Alexander and Louise Kellogg 1946-6-14 4759 Modoc Patterson Mill road, Silver Creek branch 1828 Comment
  HSC48335  Carex aquatilis D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-22 19334 Modoc Soup Springs Campground Comment
  CHSC110901  Carex athrostachya Lowell Ahart; John Dittes 2012-7-10 18305 Modoc Northeast of the old homestead, Ash Creek State Wildlife Area, about 3.2 miles (air) west of Adin, about 8.4 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  UC1537642  Carex athrostachya Gordon H. True Jr. 1939-6-25 993 Modoc NW of Alturas (Boles Meadow) Comment
  UC143709  Carex aurea M. S. Baker and Frank Nutting 1894-6-15 Modoc Big Valley Mts. Comment
  UCD32686  Carex aurea Beecher Crampton 1954-7-6 2099 Modoc Modoc County, Road 56, following Shields Creek into Warner Mountains, 22 miles east of Alturas. 1676 Comment
  CAS-BOT-BC245193  Carex bolanderi Bruce Bartholomew; Barrett Anderson 1988-7-23 4590 Modoc Pine Creek, 4 km E of U.S Highway 395 on the road to Lily Lake, Warner Mts.. 1620 Comment
  CHSC109462  Carex illota L. P. Janeway; B. Castro 2012-7-27 11022 Modoc Warner Mountains. North-sloping meadow opening just above Mineral spring, 0.5 air km east of Yellow Mountain. 2361 Comment
  JEPS122361  Carex lenticularis Joseph Broberg, Jaycee Leonard 2012-8-14 CA 320 -124 Modoc From Alturas take Modoc Co. rd 56 to the East (this road turns into FS rd. 5). Follow this road to FS rd. 41N51 and turn right. Keep right at fork and continue to Yankee Jim Ranch. Collection is 1 mile NE of ranch house Comment
  HSC48001  Carex multicaulis D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19461 Modoc Upper Rush Creek Campground, about 8 mi. N of Adin on Hwy. 299 Comment
  CAS-BOT-BC242358  Carex pellita John Thomas Howell 1934-6-16 12207 Modoc Parker Creek. 1584 Comment
  UCD140721  Carex pellita Herbert L. Mason; Verne Grant 1947-7-12 13423 Modoc near south end of west side road, along railroad tracks, Pit River Valley, south of Alturas. Comment
  CHSC117046  Carex praegracilis Lowell Ahart; John Dittes 2016-6-6 20966 Modoc About 100 yards east of the dirt road, about one mile south of the intersection of County Road 87 and Access Road to Pilot Butte Parking Area, 3.8 miles (air) east of Lookout, 7.5 miles (air) west of Adin, Ash Creek State Wildlife Area. 1271 Comment
  HSC97777  Carex praegracilis Juha Pykala, D. H. Norris 1987-5-27 1024 Modoc Modoc National Forest, Rush Creek, between Lower and Upper Rush Creek Campgrounds 1463 Comment
  UC1586914  Carex praegracilis Juha Pykala and D. H. Norris 1987-5-28 1289 Modoc Joseph Creek Warner Mountains, Modoc National Forest, Joseph Creek Basin 1650 Comment
  HSC7160  Carex spectabilis M. T. Milligan 1965-6-23 302 Modoc N end Jess Valley 1616 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-BC245148  Carex subfusca Alice Eastwood; John Thomas Howell 1940-6-13 8180 Modoc E side of Cedar Pass. Comment
  CAS-BOT-BC245144  Carex utriculata Louis Cutter Wheeler 1935-8-16 3872 Modoc Dismal Swamp, Warner Mountains 2225 Comment
  HSC75586  Carex whitneyi G. M. Riegel 1979-7-3 469 Modoc S Warner Mtns. 1670 Comment
  CAS-BOT-BC180129  Castanopsis sempervirens K. Paulson; Robert Paulson 1989-7-2 165 Modoc Happy Camp Lookout. 1850 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-BC225990  Castilleja applegatei subsp. pinetorum Bruce Bartholomew; Mona Bourell 1990-4-28 5203 Modoc 1.9 km SE of Rush Creek on road up Hunters Ridge. 1430 Comment
  CAS-BOT-BC225992  Castilleja applegatei subsp. pinetorum Alice Eastwood; John Thomas Howell 1940-6-12 8086 Modoc Jess Valley. Comment
  CAS-BOT-BC225996  Castilleja applegatei subsp. pinetorum Gordon H. True 1964-6-3 1445 Modoc Surprise Valley, about 10 mi. N of Cedarville. 1432 Comment
  CAS-BOT-BC225997  Castilleja applegatei subsp. pinetorum Edward Kent Balls 1950-5-10 15967 Modoc 0.5 mi. E of fork of Hwy 395 and Alturas Rd. 1584 Comment
  JEPS86368  Castilleja applegatei subsp. pinetorum Jack and Betty Guggolz 1988-6-27 952 Modoc ne of Jenkins Springs Comment
  JEPS86374  Castilleja applegatei subsp. pinetorum Jack and Betty Guggolz 1988-7-4 977 Modoc Comment
  POM260677  Castilleja applegatei subsp. pinetorum Alice Eastwood, John T. Howell 1940-6-11 8006 Modoc 6 miles NE of Adin on road to Canby. Comment
  UC1226031  Castilleja applegatei subsp. pinetorum Arthur Cronquist and Arthur H. Holmgren 1959-7-20 8517 Modoc 11 mi ne Alturas (benchland w of Warner Mts) 1554 Comment
  UC171026  Castilleja applegatei subsp. pinetorum B. C. Goldsmith May 1912 73 Modoc Warner Mts. Comment
  UC885467  Castilleja applegatei subsp. pinetorum C. L. Hitchcock 1940-5-27 6677 Modoc 15 mi ne Alturas 1615 Comment
  SEINET13732719  Castilleja applegatei var. pinetorum M. J. Williams 1984-1 84- 69 -2 Modoc Warner Mountains, N of Cedar Pass, end of Soldier Creek Road. 2073 Comment
  CHSC109740  Castilleja arachnoidea B. Castro; L. P. Janeway 2012-7-26 1971 Modoc Warner Mountains. Top of Yellow Mountain; topmost part and western edge (at the edge of a steep dropoff to the northwest). 2453 Comment
  UC199357  Castilleja arachnoidea Milo S. Baker Modoc near Egg Lake Comment
  UCR34760  Castilleja arachnoidea J. A. Harpel 1981-8-6 V 21 Modoc Warner Mtns, South Warner Wilderness Area: E end of Patterson Lake, 7 mi NW of Eagleville 2744 Comment
  CAS-BOT-BC226014  Castilleja campestris subsp. campestris Elmer Ivan Applegate 1897-6-5 2000 Modoc Near Alturas. Comment
  CHSC117039  Castilleja campestris subsp. campestris Lowell Ahart; John Dittes 2016-6-6 20960 Modoc About 100 yards east of the Parking Area, about one mile south of the intersection of County Road 87 and Access Road to Pilot Butte Parking Area, 3.8 miles (air) east of Lookout, 7.5 miles (air) west of Adin, Ash Creek State Wildlife Area. 1271 Comment
  CAS-BOT-BC226015  Castilleja chromosa Bruce Bartholomew; M; M. Gilbert; L. E. Skog 1993-5-10 6448 Modoc At the Nevada border directly E of Eagleville, E side of Surprise Valley. 1520 Comment
  CAS-BOT-BC226021  Castilleja lacera M. Vasey 1990-6-30 9044 Modoc Near Curtis Waterhole, NW of Egg Lake. 1300 Comment
  CAS-BOT-BC226031  Castilleja lacera Bruce Bartholomew 1990-6-15 5221 Modoc W side of Deer Spring Ridge in vicinity of Reid Draw, ca. 1 km N of the Lasson Co. border. 1540 Comment
  CDA13456  Castilleja lacera G. F. Hrusa, T. D. Wilfred 1996-7-21 13303 Modoc Modoc Plateau; Adjacent to Modoc Co. Rd. 90 bridge over Pit River. E base of Splawn Mtn. N end of Big Valley. Comment
  POM44360  Castilleja linariifolia R. M. Austin 1895-07 527 Modoc Willow Creek (Devils Garden) Comment
  CAS-BOT-BC226046  Castilleja miniata Annie Montague Alexander; L. Kellogg 1946-7-29 5088 Modoc Below divide, head of Eagle Creek. Comment
  UC444866  Castilleja miniata Milo S. Baker Aug 1898 523 Modoc Forestdale Comment
  JEPS9771  Castilleja miniata L. S. Smith 1917-7-18 79 Modoc Soldier Creek; Warner Mts. 1950 Comment
  UC1191871  Castilleja miniata Herbert L. Mason 1947-7-13 13442 Modoc n of Davis Creek (east side of Goose Lake) (Joseph Creek on Highway 395); Joseph Creek Comment
  CAS-BOT-BC226051  Castilleja pilosa K. Paulson; Robert Paulson 1989-5-21 120 B Modoc Crowder Flat Rd. at Fletcher Creek. 1365 Comment
  CHSC117765  Castilleja pilosa L. P. Janeway 2016-5-16 11990 Modoc Modoc Plateau. Devils Garden area; along Road 47N07 1.8 road-km south of Road 181/73/47N09. Transition area between a large open rocky flat into open yellow pine forest with scattered juni-pers, low sage. 1573 Comment
  UC1540226  Castilleja pilosa Dean Wm. Taylor and Glenn L. Clifton 1987-6-27 9110 Modoc headwaters of upper South Deep Creek; Warner Mountains 2194 Comment
  UC1561056  Castilleja pilosa Dean Wm. Taylor with Glenn L. Clifton and Rexford E. Palmer 1987-6-7 9011 Modoc se margin Egg Lake (along the stream draining into Kramer Reservoir); Upper Modoc Plateau, Kramer Reservoir 1408 Comment
  RSA248718  Castilleja psittacina Christopher Davidson 1973-5-26 2125 Modoc 4 miles W of Canby on Hwy 299. 1341 Comment
  SEINET14173038  Castilleja tenuis M. J. Williams 1983-7-29 83- 116 -3 Modoc Warner Mountains, 1.1 mile N of Stough Reservoir Campground, N of Cedar Pass. 2088 Comment
  SEINET14173654  Castilleja tenuis M. J. Williams 1984-1 84- 78 -1 Modoc E side of the Warner Mountains, 3 miles W of the Cedarville-Gerlach road, near the Granger Canyon road. 2073 Comment
  SEINET14173703  Castilleja tenuis M. J. Williams 1984-7-1 84- 87 -3 Modoc Crowder Flat Road, near Big Sage Reservoir, NW of Alturas. 1372 Comment
  UC18478  Ceanothus X rugosus Baker and Nutting Modoc near Egg Lake; near Egg Lake Comment
  UC73355  Ceanothus cuneatus var. cuneatus Milo S. Baker 1893-1 Modoc near Craigs Comment
  CAS-BOT-BC217143  Ceanothus integerrimus Belknap C. Goldsmith 1912-7-1 55 Modoc Day 1219 Comment
  UC18346  Ceanothus integerrimus Milo S. Baker 1893-7-8 Modoc Comment
  CAS-BOT-BC217104  Ceanothus prostratus M. M. Hanna 1956-6-7 s.n. Modoc Hwy 139 between Canby and Tienesta. Comment
  CAS-BOT-BC217108  Ceanothus prostratus Elmer Ivan Applegate 1932-8-2 8072 Modoc Mill Creek Meadow, W slope of Warner Mts. 2438 Comment
  RSA59344  Ceanothus prostratus E. K. Balls 1950-5-11 14632 Modoc 0.75 miles below E of crest of Fandango Pass (from Fort Bidwell - Lake City road to Bucks Creek Ranger Station on Hwy 395). 1860 Comment
  UC1281290  Ceanothus prostratus H. E. McMinn 1941-8-27 5404 Modoc Egg Lake 12-13 mi from Lookout; Egg Lake Comment
  POM182445  Ceanothus velutinus B. C. Goldsmith 1911-9-17 39 Modoc Fandango Creek, W slope of Warner Mts. Comment
Read comments Jan 20 2011
  HSC80757  Ceanothus velutinus var. velutinus G. M. Riegel 1978-7-13 66 Modoc S Warner Mtns. 1670 Comment
  UC634582  Ceanothus velutinus var. velutinus F. H. Frost 1925-7-24 139 Modoc Jess Valley, Warner Mts. Comment
  CAS-BOT-BC15098  Centaurea solstitialis Bruce Bartholomew 1989-8-10 5027 Modoc Little Hot Spring Valley, 1.6 km NW of Day. 1070 Comment
  CHSC100382  Centaurea squarrosa Lowell Ahart; John Dittes 2008-8-25 15300 Modoc In the middle of a poor dirt road, on the west side of the Pit River, about 1/8 mile east of County Road 91,about 3.8 miles (air) north-northeast of Lookout. 1273 Comment
  UC1191678  Centaurium exaltatum Herbert L. Mason 1947-8-15 13553 Modoc e side Goose Lake (on Willow Ranch); Mouth of Crane Creek Comment
  CAS-BOT-BC180117  Centaurium muehlenbergii Bruce Bartholomew 1991-8-4 6007 Modoc Kelly Draw, Round Valley, 2 km E of Hwy 299 on County Road 86. 1310 Comment
  UC1101388  Ceratophyllum demersum Verne Grant and Irving Schneider 1947-7-22 8133 Modoc North Fork of Pit River by confluence with Gleason Creek on Highway 395 n Alturas; North Fork of Pit River by confluence w/ Gleason Creek Comment
  UC72966  Cercocarpus betuloides var. macrourus Milo S. Baker July 1898 533 Modoc Forestdale Comment
  HSC96013  Cercocarpus ledifolius Juha Pykala, D. H. Norris 1987-5-27 1055 Modoc Between Lower and Upper Rush Creek Campgrounds 1494 Comment
  SD46565  Cercocarpus ledifolius Robert J. Weatherby 1955-7-8 1632 Modoc 5.0 miles noorth of Ft. Bidwell, northern Warner Mountains. 1646 Comment
  NY848748  Cercocarpus ledifolius var. intermontanus R. J. Weatherby 1955-7-8 1632 Modoc 5 miles north of Ft. Bidwell, northern Warner Mountains 1646 Comment
  NY848758  Cercocarpus ledifolius var. intermontanus M. S. Baker 1893-6-20 s.n. Modoc Lava Beds Comment
  CAS-BOT-BC197539  Cercocarpus ledifolius var. ledifolius Belknap C. Goldsmith 1911-5-20 23 Modoc Sugar Hill, W slope Warner Mts. 1584 Comment
  CAS-BOT-BC248320  Cercocarpus ledifolius var. ledifolius B. Bartholomew; H. Sun 2002-6-24 8866 Modoc Fandango Pass on the E side of the Warner Mountains near the crest of the mountains 1820 Comment
  JEPS22855  Chaenactis douglasii var. douglasii A. A. Heller 1938-6-24 15221 Modoc between Alturas and Canby (on U.S. Highway #299) 1341 Comment
  HSC81052  Chaenactis nevadensis G. M. Riegel 1979-7-14 545 Modoc South Warner Mtns. 1739 Comment
  CAS-BOT-BC245419  Chamaesaracha nana John Thomas Howell 1934-6-14 12177 Modoc Patterson Mill Rd., Warner Mts. 2133 Comment
  CAS-BOT-BC245420  Chamaesaracha nana Francis Marion Ownbey; Frederick Gustav Meyer 1940-7-1 2132 Modoc Near Cedar Pass, Warner Mountains. Comment
  CAS-BOT-BC245422  Chamaesaracha nana Annie Montague Alexander; L. Kellogg 1946-7-24 5065 Modoc Bear Camp Flat, along trail to Emerson Camp. Warner Mountains. Comment
  CAS-BOT-BC248327  Chamaesaracha nana B. Bartholomew; H. Sun 2002-6-24 8820 Modoc Just SW of Manzanita Mt. and ca. 15 straight line km NW of Aden 2000 Comment
  HSC80797  Chamaesaracha nana G. M. Riegel 1980-7-31 945 Modoc S Warner Mtns. 558 Comment
  UC1035971  Chamaesaracha nana Helen K. Sharsmith 1955-6-26 4509 Modoc ca 20 mi n Canby (adjacent to Highway 39); Modoc National Forest 1524 Comment
  RSA767683  Chamaesyce serpillifolia subsp. serpillifolia L. Ahart, John Dittes 2010-8-30 17054 Modoc North side of a small wash, about 10-15 yards west of the fence, south edge of the meadow, Ash Creek State Wildlife Area, 2300 feet north of Lassen County Line, about 3.6 air miles west of Adin, about 8 air miles northeast of Bieber, Big Valley. 1268 Comment
  HSC65388  Chamaesyce serpyllifolia Thomas Wood 1979-8-8 221 Modoc About 1.2 mi. S and then shortly W of Ft. Bidwell, along Hwy. 1 1372 Comment
  UC1192291  Chamaesyce serpyllifolia Herbert L. Mason, Verne Grant 1947-7-10 13325 Modoc 2 mi E of Alturas (Dorris Reservoir) Comment
  UC635382  Chamerion angustifolium subsp. circumvagum F. H. Frost 1925-7-24 109 Modoc Jess Valley Warner Mountains Comment
  CHSC106201  Chenopodium desiccatum Lowell Ahart; John Dittes 2010-8-31 17111 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
Read comments Jul 20 2019
  UCD97878  Chenopodium foliosum W. T. Parsons; T. C. Fuller 1960-7-26 4874 Modoc E. H. Boys ranch, Lassen Creek, ca. 2 mi. SE/Hwy 395. Comment
  CAS-BOT-BC95526  Chenopodium hians Alice Eastwood; John Thomas Howell 1940-6-13 8173 Modoc Near Cedarville. Comment
  CAS-BOT-BC95667  Chimaphila umbellata Bruce Bartholomew 1995-7-30 7044 Modoc Big Valley Mountains N of County Road 94. 1400 Comment
  CDA19915  Chorispora tenella R. Breckenridge, Kratville 2002-6-6 PDR 920238 Modoc Northern California; in the vicinity of Alturas. 1328 Comment
  RSA520499  Chrysolepis sempervirens Bruce Bartholomew 1989-7-15 4984 Modoc 7 km from State Hwy 299 on road to Manzanita Mountain. 1830 Comment
  RSA67197  Chrysothamnus nauseosus subsp. albicaulis P. A. Munz 1951-9-14 16980 Modoc Jess Valley, Warner Mts. 1616 Comment
  JEPS21426  Chrysothamnus viscidiflorus subsp. viscidiflorus W. L. Jepson 1918-8-12 7947 Modoc Jess Valley 1584 Comment
  RSA301895  Chrysothamnus viscidiflorus subsp. viscidiflorus L. C. Anderson 1958-8-23 1611 Modoc Along fence rows beside highway and around Middle Lake; 1 mile east of Cedarville 1425 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
  JEPS15740  Cicuta maculata var. angustifolia Milo S. Baker 1899-8-18 Modoc Little Hot Spring Valley Comment
  HSC12264  Circaea alpina subsp. pacifica Richard Spjut 1970-7-21 856 Modoc 10 mi. W of Cedarville above a campground, off Hwy. 299 1829 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
  RSA252383  Circaea alpina subsp. pacifica Robert F. Thorne, C. W. Tilforth 1969-9-5 39175 Modoc Modoc National Forest, Warner Mts, along Fall Creek below Falls. 1738 Comment
  CDA21202  Cirsium K. Haas 2007-2-6 PDR 1402971 Modoc Modoc Plateau; County Rd. 1, Cedarville. 0 Comment
  CAS-BOT-BC14956  Cirsium arvense W. T. Parsons; Thomas C. Fuller 1960-7-26 4872 Modoc Hwy 139, 1.5 mi. S/Tulelake. Comment
  CAS-BOT-BC14963  Cirsium cymosum Francis Dorris Payne 1935-7-5 329 Modoc Parker Creek, Warner Mountains 1584 Comment
  UC30800  Cirsium cymosum var. cymosum Milo S. Baker 1893-7-12 Modoc Comment
  CDA1196  Cirsium douglasii var. breweri T. C. Fuller 1975-9-4 20098 Modoc Lunsford Spring near California Pines. Comment
  SJSU9675  Cirsium douglasii var. breweri W. Savage 1979-7-19 1523 Modoc Bowles Meadow, Devils Garden District, Modoc National Forest 1493 Comment
  CHSC85426  Cirsium occidentale var. candidissimum John Dittes; Josephine Guardino 1991-8-23 451 Modoc Modoc Plateau; Warner Mountains; west slope, ca. 2.6 air-miles east by southeast of Goose Lake State Recreation Area, ca. 0.8 air-miles south of Oregon border, ca. 4.8 air-mile west of Dismal Swamp; Pine Creek Canyon, slope above Highgrade Road. 1545 Comment
  UC705706  Cirsium occidentale var. candidissimum Marion Ownbey and Fred. G. Meyer 1940-7-1 2159 Modoc 1 mi w of Cedarville Comment
  CDA1507  Cirsium ochrocentrum var. ochrocentrum William J. Ferlatte 1971-6-29 1359 Modoc County Rd. 55 (Pencil Rd.), 0.8 mi. N of Hwy 299 (I-395), 2 mi. E of Alturas. Comment
  CAS-BOT-BC14938  Cirsium scariosum Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10522 Modoc Patterson Ranger Station (East Creek drainage), Modoc National Forest, Warner Mountains 2164 Comment
  SEINET195634  Cirsium vaseyi Annie M. Alexander, Louise Kellogg 1946-6-14 4766 Modoc Silver Creek Branch of Patterson Mill road. 1829 Comment
  CAS-BOT-BC191073  Clarkia gracilis subsp. gracilis K. Paulson; Robert Paulson 1988-6-19 39 Modoc W of Cranby Bridge. 1310 Comment
  CAS-BOT-BC191052  Clarkia lassenensis John Thomas Howell 1934-6-13 12069 Modoc Fandango Pass. 1828 Comment
  POM204163  Clarkia lassenensis J. T. Howell 1934-6-11 11942 Modoc Parker Creek, Warner Mts. 1585 Comment
  CAS-BOT-BC191056  Clarkia lassenensis P. Monnet 1913-7-7 936 Modoc Warner's Range. Comment
  RSA150363  Clarkia lassenensis A. J. Cronquist, Arthur H. Holmgren 1959-6-19 8509 Modoc Ridge south of Clear Lake; Warner Mountains 15 miles east of Likely 1982 Comment
  CAS-BOT-BC191041  Clarkia rhomboidea John Thomas Howell 1934-6-13 12048 Modoc Fandango Pass. 1828 Comment
  SD46730  Clarkia rhomboidea Robert J. Weatherby 1955-7-8 1622 Modoc Northern Juniper Woodland. 6 miles north of Fort Bidwell, northern Warner Mountains. 1737 Comment
  SEINET10689254  Clarkia rhomboidea Milo S. Baker Baker s.n. 1893 Modoc Open timbered hillside, gravelly soil. Comment
  UC20029  Clarkia rhomboidea Milo S. Baker 1893-8-10 Modoc Comment
  HSC16269  Clarkia stellata M. T. Milligan 1965-7-27 362 Modoc Eroded volcanic plateau west of Jess Valley 1829 Comment
  CAS-BOT-BC197444  Claytonia lanceolata Harry Dwight Dillon Ripley; Rupert Charles Barneby 1944-6-1 6003 Modoc Cedar Pass. 1920 Comment
  CAS-BOT-BC197445  Claytonia lanceolata Annie Montague Alexander; L. Kellogg 1946-6-15 4773 Modoc Deep Creek. 2133 Comment
  CAS-BOT-BC197448  Claytonia lanceolata Bruce Bartholomew; Barrett Anderson 1988-5-13 4161 Modoc 4 km NW of Pepperdine, gentle W facing slope near top of the Warner Mts. 1760 Comment
  SEINET5336342  Claytonia lanceolata M. J. Williams 1968-5-31 1152 Modoc Cedar Pass Comment
  CAS-BOT-BC197439  Claytonia megarhiza Elmer Ivan Applegate 1932-8-3 8116 Modoc Rocky crest of Warner Mts. just N of Eagle Peak. Comment
  UC1573168  Claytonia megarhiza Dean Wm. Taylor with Glenn L. Clifton 1989-8-5 10435 Modoc e-face Emerson Peak (Emerson Creek drainage); Warner Mountains, , Emerson Creek 2560 Comment
  UC7887  Claytonia parviflora subsp. parviflora M. S. Baker and Frank Nutting 1894-6-16 Modoc near Forestdale Comment
  HSC17710  Claytonia rubra subsp. rubra M. T. Milligan 1965-6-27 352 Modoc E slope of eroded volcanic plateau. 1677 Comment
  UC9072  Clematis ligusticifolia Milo S. Baker 1893-6 Modoc Sacramento Canyon near Dunsmuir; Sacramento Canyon Comment
Read comments Nov 17 2013
  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
  SBBG28887  Collinsia parviflora J. T. Howell 1934-6-14 12135 Modoc near Lost Lake 2438 Comment
  CAS-BOT-BC229860  Collinsia parviflora E. H. Stephen; Lindsay Stuart Smith 1917-5-26 12 Modoc West Valley. 1524 Comment
  CAS-BOT-BC229867  Collinsia parviflora E. H. Steffen 1917-5-21 7 Modoc West Valley camp. 1676 Comment
  HSC20608  Collinsia parviflora M. T. Milligan 1964-4-25 Modoc S end of Lower Cummings Reservoir, along base of dam Comment
  JEPS3169  Collinsia parviflora N. T. Mirov 1929-5-30 Modoc Warner Mtns; pasture 1524 Comment
  SEINET10548294  Collinsia parviflora Jeffrey Huber 1971-6-3 Huber 100 Modoc 5 mi. S of Canby on Calif. Hwy. 299. 1280 Comment
  CAS-BOT-BC229871  Collinsia torreyi Annie Montague Alexander; L. Kellogg 1946-7-19 5035 Modoc Near Benton Meadow. 2072 Comment
  UC153506  Collinsia torreyi var. latifolia Milo S. Baker 1893-1 Modoc Forestdale Comment
  UC748142  Collinsia torreyi var. wrightii Annie M. Alexander and Louise Kellogg 1946-7-19 5035 Modoc near Benton Meadow (Warner Mountains); Warner Mountains 2072 Comment
  UC907920  Collomia grandiflora F. H. Frost 1925-7-13 74 Modoc summit Warner Mts., Cedar Canyon Comment
  UC71714  Collomia grandiflora Mrs. M. H. Manning 1903-10-11 35 Modoc ne Modoc County Warner Range 1828 Comment
  HSC16929  Collomia linearis M. T. Milligan 1965-6-26 323 Modoc N end Jess Valley. 1616 Comment
  JEPS71054  Collomia linearis Frances D. Payne 1932-6-27 615 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  HSC75907  Collomia tinctoria D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19488 Modoc Big Valley Summit, 6 mi. W of Adin on Hwy. 299 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
  JEPS911  Conium maculatum L. S. Smith 1845-11-12 1175 Modoc Devils Garden District, Round Willow Round Willow; Devils Garden District, Round Willow 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
  JEPS62803  Cordylanthus capitatus Wayne Roderick 1970-8-23 Modoc about 3 mi n summit of Cedar Pass (nw of Cedarville) Comment
  JEPS71355  Cordylanthus capitatus L. R. Heckard with R. Bacigalupi and T. I. Chuang 1973-7-29 3458 Modoc 3.5 mi n of Cedar Pass ((e of summit) e side of Warner Mountains, Summit of Old Cannon Mill Road); Warner Mountains, Old Cannon Mill Road 2072 Comment
  JEPS74348  Cordylanthus capitatus L. R. Heckard, T. I. Chuang, and R. Bacigalupi 1974-7-24 3767 Modoc along forest service road 3.5 mi n Cedar Pass; Warner Mts. 2042 Comment
  CAS-BOT-BC210272  Cornus sericea Louis C. Wheeler 1935-8-14 3835 Modoc Modoc National Forest. Pine Creek, Warner Mts. 1584 Comment
  UC1280731  Cornus sericea subsp. sericea H. E. McMinn 1931-5-23 2457 Modoc Warner Mts., Cedarville Rd. Comment
  UC21513  Cornus sericea subsp. sericea Mrs. R. M. Austin and Bruce June 1898 2350 Modoc Lake City Canyon Comment
  CAS-BOT-BC190769  Corydalis aurea C. C. (Mrs.) Bruce 1898-7-1 2206 Modoc Warner Mts. Comment
  CDA4470  Crepis acuminata J. R. Keck Jr., Pfeiffer 1985-6-6 PDR 237691 Modoc Forest land near Lookout Junction, southwest corner of Modoc County. 0 Comment
  RSA164315  Crepis acuminata Clare B. Hardham 1961-6-18 7562 Modoc Hills 3 miles south of Cedar Pass 1829 Comment
  CAS-BOT-BC14876  Crepis bakeri Bruce Bartholomew 1992-5-16 6316 Modoc 1.6 km S of Davis Creek on U.S. Highway 395. 1440 Comment
  CAS-BOT-BC14923  Crepis bakeri Bruce Bartholomew 1991-7-4 5912 Modoc Roney Flat. 1460 Comment
  JEPS36498  Crepis bakeri M. S. Baker and Frank Nutting 1894-6-8 Modoc near Egg Lake Comment
  SJSU8812  Crepis bakeri H. L. Buckalew 1961-6-25 Modoc near Stowe Reservoir c. 1 mi N of Cedar Pass on Cedar-Alturas Road 2072 Comment
  UC565496  Crepis intermedia F. H. Frost 1925-7-24 Modoc Clear Lake Warner Mts. Comment
  JEPS89243  Crepis modocensis Lauramay T. Dempster 1961-6-18 1693 Modoc peak just s Cedar Pass Comment
  UC31308 Image available Crepis modocensis Mrs. R. M. Austin Jun 1894 Modoc Lava Beds Comment
  UC31331  Crepis modocensis Mrs. C. C. Bruce June 1898 2164 Modoc Lake City Mountain Comment
  CAS-BOT-BC14887  Crepis modocensis subsp. modocensis Bruce Bartholomew; Barrett Anderson 1988-6-24 4311 Modoc Road beyond Poison Lake ca. 8 km S of the road from U.S. Highway 395 to Lily Lake, Warner Mts.. 2130 Comment
  POM260866  Crepis modocensis subsp. modocensis Alice Eastwood, John Thomas Howell 1940-6-13 8148 Modoc Fandango 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
  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
  CAS-BOT-BC14891  Crepis occidentalis subsp. conjuncta Annie Montague Alexander; L. Kellogg 1946-7-18 5016 Modoc Benton Meadow, Warner Mountains 2072 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
  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-BC14835  Crocidium multicaule Bruce Bartholomew 1993-4-3 6403 Modoc Adjacent to Turner Creek at County Rd 90, N end of Big Valley, 6.4 km N of Lassen County border. 1300 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
  RSA59490  Crocidium multicaule E. K. Balls 1950-5-17 14729 Modoc South shore, Clear Lake Bird Refuge 1381 Comment
  SEINET5343801 Image available Crupina vulgaris G. Schoolcraft 1993-6-17 2297 Modoc NE of Adin on S. side of Hunter Ridge 1646 Comment
  JEPS114658  Crypsis alopecuroides Lowell Ahart, John Dittes 2008-8-25 15289 Modoc Near the waters edge, on the west bank of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-notheast of Lookout 1273 Comment
  CAS-BOT-BC54131  Cryptantha ambigua J. L. Gentry; E. Jensen 1968-7-4 2113 Modoc 15.2 mi NW of junction of Hwys 139 and 299 on Hwy 139. 1447 Comment
  SJSU11366  Cryptantha ambigua J. W. Tilden 1958-6-25 1263 Modoc Lava Caves near Monument Hdqtrs, Lava Bed National Monument 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-BC54109  Cryptantha intermedia Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16382 Modoc 5 mi. E of Hwy 299 on Cedar Pass road. Comment
  CAS-BOT-BC54110  Cryptantha intermedia C. C. (Mrs.) Bruce 1893-6-1 84 Modoc Davis Creek. Comment
  CAS-BOT-BC54147  Cryptantha intermedia E. S. Willits 1940-5-17 260 Modoc Willow Ranch. Comment
  UC24699  Cryptantha intermedia M. S. Baker and Frank Nutting 1894-6-4 Modoc Little Hot Spring Valley Comment
  POM204147  Cryptantha simulans J. T. Howell 1934-6-13 12043 Modoc Fandango Pass, Warner Mountains. 1829 Comment
  CAS-BOT-BC54119  Cryptantha sobolifera Francis Marion Ownbey; Frederick Gustav Meyer 1940-7-1 2134 Modoc Cedar Pass, Warner Mountains Comment
  HSC80866  Cryptantha subretusa G. M. Riegel 1980-7-15 Modoc S Warner Mtns. 2591 Comment
  UC1478047  Cryptantha subretusa Gregg Riegel 1980-8-9 1014 a Modoc 100 yds sw Pine Creek-Summit Trail junction (Pine Creek Basin, S Warner Wilderness Area); Modoc National Forest, Warner Wilderness Area 2706 Comment
  CAS-BOT-BC54124  Cryptantha torreyana Alice Eastwood; John Thomas Howell 1940-6-14 8214 Modoc 8 mi. NW of Canby. Comment
  CAS-BOT-BC54082  Cryptantha watsonii Harry Dwight Dillon Ripley; Rupert Charles Barneby 1944-6-1 6007 Modoc East of Cedarville. 1249 Comment
  CAS-BOT-BC54083  Cryptantha watsonii Bruce Bartholomew; Barrett Anderson 1989-6-2 4823 Modoc Sand dunes at the SE corder of Upper Alkali Lake, E side of Surprise Valley. 1400 Comment
  CAS-BOT-BC95627  Cuscuta approximata Francis Dorris Payne 1932-6-10 732 Modoc Parker Creek. 1584 Comment
  CDA5585  Cuscuta approximata Goss 1932-10-3 Modoc 0 Comment
  POM182428  Cuscuta indecora Milo S. Baker 1899-8-16 249 Modoc Little Hot Spring Valley Comment
  CAS-BOT-BC498763  Cynoglossum occidentale L. S. Smith 1910-6-1 1110 Modoc Modoc Forest, Deep Creek R.S. above pasture 1524 Comment
  UC190418  Cyperus squarrosus M. S. Baker and Frank Nutting 1894-8-20 Modoc Forestdale 1371 Comment
  CAS-BOT-BC30218  Cystopteris fragilis Elmer Ivan Applegate 1932-8-2 8096 Modoc Mill Creek Meadows, west slope Warner Mts. Comment
  UCR45851  Cystopteris fragilis G. M. Riegel 1980-9-3 1128 Modoc South Warner Mountains 908 Comment
  JEPS35193  Cystopteris fragilis Mary H. Manning 1912-4 Modoc Tule Lake 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
  POM133080  Damasonium californicum Milo S. Baker s.n. Modoc Egg Lake. Comment
  CAS-BOT-BC242494  Danthonia californica Leland S. Smith 1917-7-2 63 Modoc Modoc National Forest - Head N.E.of Pine Creek 2286 Comment
  CAS-BOT-BC242495  Danthonia californica Leland S. Smith 1920-7-13 1178 Modoc Modoc National Forest - Grizzley's 1432 Comment
  JEPS68521  Danthonia californica L. S. Smith 1917-7-1 90 Modoc Deep Creek R.S. camp Warner Mts. 2133 Comment
  JEPS68522  Danthonia californica L. S. Smith 1917-7-1 91 Modoc Deep Creek R.S. camp Warner Mts. 2133 Comment
  JEPS68525  Danthonia californica Leland S. Smith 1918-1 878 Modoc Comment
  RSA504598  Danthonia unispicata Bruce Bartholomew, B. Anderson 1988-6-23 4285 Modoc Widow Valley, 18.0 km W of Day on County Road 94. 1230 Comment
  SEINET190962 Image available Danthonia unispicata A. A. Beetle 1941-6-29 2834 Modoc Near summit of Mt. Adin. 1829 Comment
  UC816978  Danthonia unispicata C. L. Hitchcock 1940-5-28 6720 Modoc near Surprise (ca 15 mi n of Alturas) 1402 Comment
  UC585062  Delphinium andersonii E. B. Babcock and G. L. Stebbins Jr. 1936-6-9 1831 A Modoc steep n-facing talus slope about 3 mi w Cedarville; Warner Mountains, Cedar Creek Canyon Comment
  CAS-BOT-BC498678  Delphinium andersonii Ethel S. Willits 1940-5-15 249 Modoc Willow Ranch 1371 Comment
  CAS-BOT-BC217342  Delphinium depauperatum Bruce Bartholomew 1994-7-2 6790 Modoc 8.9 km SE of Joseph Creek Basin on the W side of the Warner Mountains. 2120 Comment
  UC1037209  Delphinium nudicaule Leo Whitney 1934-4-29 1569 Modoc 15 mi w Canby; Modoc National Forest, Happy Camp 1463 Comment
  CAS-BOT-BC217281  Delphinium nuttallianum Bruce Bartholomew 1995-5-13 6906 Modoc 4.8 km W of Eagleville, E side of the S end of Surprize Valley. 1480 Comment
  CAS-BOT-BC217314  Delphinium nuttallianum Bruce Bartholomew; M; M. Gilbert; L. E. Skog 1993-5-11 6504 Modoc Fletcher Creek near crossing by Crowder Flat Road. 1600 Comment
  CAS-BOT-BC217315  Delphinium nuttallianum Bruce Bartholomew; Barrett Anderson 1989-4-29 4687 Modoc Surprise Valley Road, just S of the Oregon border, extreme NE corner of Modoc County. 1630 Comment
  CAS-BOT-BC217321  Delphinium nuttallianum Bruce Bartholomew; Barrett Anderson 1988-5-12 4117 Modoc S side of Egg Lake. 1300 Comment
  CAS-BOT-BC248330  Delphinium nuttallianum B. Bartholomew; H. Sun 2002-6-24 8819 Modoc Just SW of Manzanita Mt. and ca. 15 straight line km NW of Aden 2000 Comment
  CHSC85135  Delphinium nuttallianum John Dittes; Josephine Guardino 1991-6-1 351 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
  NY487921  Delphinium nuttallianum B. M. Bartholomew 1989-6-2 4841 Modoc Vicinity of Stough Reservoir, Warner Mountains 1950 Comment
  RSA59653  Delphinium nuttallianum E. K. Balls 1950-5-12 14637 Modoc above Bucks Creek Ranger Station, Modoc National Forest; east of Goose Lake. 1768 Comment
  CAS-BOT-BC217346  Delphinium nuttallianum Roxana Stinchfield Ferris; R. Duthie 1919-6-14 83 Modoc Modoc County. 1981 Comment
  JEPS43420  Delphinium nuttallianum Milo S. Baker 1893-6 Modoc Comment
  UC912535  Delphinium stachydeum F. H. Frost 1925-7-25 157 Modoc Eagle Peak Warner Mts. Comment
  RSA575726  Deschampsia cespitosa subsp. cespitosa S. J. Darbyshire, J. Cayouette 1994-9-8 5461 Modoc north end of Tioga Lake; beside seepage stream in meadow 3050 Comment
  UC53589  Deschampsia danthonioides M. S. Baker and Frank Nutting 1894-6-13 Modoc w. shore of Egg Lake Comment
  SEINET4566918  Deschampsia danthonioides I. Tidestrom 1910-6-25 3642 Modoc Sibley Draw, north fork Modoc Comment
  HSC80820  Deschampsia elongata G. M. Riegel 1979-8-23 699 Modoc S Warner Mtns. 2100 Comment
  UCD63293  Deschampsia elongata Carl W. Rimbey 1954-7-6 Modoc Along Shields Creek, Warner Mountains, 20 miles east of Alturas. Comment
  CDA24791  Descurainia incana T. C. Fuller 1963-6-11 10657 Modoc 3.1 miles north of Blue Lake Guard Station, 14.0 miles southeast of Likely. 0 Comment
  CAS-BOT-BC58622  Descurainia incisa K. Paulson; Robert Paulson 1988-6-29 67 Modoc N of Benton Meadow along Davis Creek, Warner Mts.. 1676 Comment
  CAS-BOT-BC58625  Descurainia incisa John Thomas Howell 1934-6-13 12065 Modoc Fandango Pass, Warner Mountains 1828 Comment
  HSC26609  Descurainia pinnata D. H. Norris, T. Nelson, S. Dowty 1971-6-23 19357 Modoc Along the S Fork of the Pit River, ~6 mi. E of Likely. Comment
  HSC6713  Descurainia pinnata M. T. Milligan 1964-4-25 Modoc S end of Lower Cummings Reservoir, along base of dam 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-BC58443  Descurainia sophia E. S. Willits 1940-4-21 186 Modoc Near Stronghold, western Modoc Co. Comment
  UCD114793  Descurainia sophia Robbins; Raynor 1943-6-1 s.n. Modoc near Likely. Comment
  UC1586938  Dichelostemma multiflorum Juha Pykala and D. H. Norris 1987-5-27 1005 Modoc Lower Rush Creek Campground Modoc National Forest 1432 Comment
  CAS-BOT-BC49468  Dieteria canescens var. shastensis Bruce Bartholomew 1989-8-10 5045 Modoc 8.7 km E of Day on County Road 94. Comment
  JEPS19969  Dieteria canescens var. shastensis Milo S. Baker 1893-6 Modoc Comment
  CAS-BOT-BC14840  Dimeresia howellii Annie Montague Alexander; L. Kellogg 1946-8-9 5147 Modoc Patterson Lake Trail, Warner Mts. Comment
  CAS-BOT-BC14849  Dimeresia howellii Bruce Bartholomew 1991-5-24 5731 Modoc 2.9 km NE of road between Fort Bidwell and Fee Reservoir on road to Big Mud Lake. 1680 Comment
  CAS-BOT-BC172826  Dimeresia howellii B. Bartholomew 1991-6-22 5858 Modoc 2.9 km NE of road between Fort Bidwell and Fee Resrvoir on road to Big Mud Lake 1680 Comment
  CAS-BOT-BC229911  Diplacus cusickioides K. Paulson; Robert Paulson 1989-7-18 199 Modoc Vicinity of Granger Creek, E side of Warner Mts. 1493 Comment
  CAS-BOT-BC234483  Diplacus nanus James T. Vale 1978-7-18 s.n. Modoc Payne Springs Comment
  CHSC118305  Diplacus pygmaeus L. P. Janeway 2016-5-18 12067 Modoc Modoc Plateau. Devils Garden area; Island Meadow, along Road 47N08 2.1 road-km north of Road 73/181/47N09. 1606 Comment
  CHSC57244  Diplacus pygmaeus David M. Thompson 1988-6-3 927 Modoc Egg Lake, S end. Between Kramer Reservoir and White Horse-Lookout road along intermittent stream; 2.3 rd mi W of railroad crossing. 1299 Comment
  CAS-BOT-BC247764  Distichlis spicata Bruce Bartholomew; Barrett Anderson 1990-7-20 5447 A Modoc Margin of Goose Lake at S end of the causeway to McGinty Point. 1440 Comment
  CAS-BOT-BC247765  Distichlis spicata Bruce Bartholomew; Barrett Anderson 1989-6-2 4814 Modoc Sand dunes at the SE corder of Upper Alkali Lake, E side of Surprise Valley. 1400 Comment
  CHSC100110  Distichlis spicata L. P. Janeway; B. Castro 2008-8-16 9545 Modoc Modoc Plateau. Surprise Valley; east side of Middle Alkali Lake, south side of Hwy 299 10.5 km east of Cedarville. 1378 Comment
  CAS-BOT-BC218289  Dodecatheon alpinum Bruce Bartholomew 1991-8-5 6033 Modoc Squaw Peak Trail on N side of Squaw Peak, E side of Warner Mts. 2420 Comment
  RSA601890  Dodecatheon alpinum Louis C. Wheeler 1935-8-1 3736 Modoc Warner Mountains: Dismal Swamp, Twenty Mile Creek. 2226 Comment
  POM247531  Dodecatheon conjugens Leo D. Whitney 1935-5-19 3108 Modoc Edge of Hackamore River, near Hackamore. Comment
  RSA101504  Dodecatheon conjugens R. Weatherby 1955-7-7 1600 Modoc Dismal Swamp, No Warner Mts 2241 Comment
  UC1483866  Dodecatheon conjugens G. Schoolcraft 1980-4-29 208 Modoc Harper Hill n Adin; Harper Hill n of Adin 1402 Comment
  UC22371  Dodecatheon conjugens Mrs. R. M. Austin May, 1894 Modoc Goose Lake Valley Comment
  CHSC77227  Dodecatheon pulchellum G. S. Batholomew 1998-6-4 2725 Modoc Island meadow on Devils Garden area. 1615 Comment
  CAS-BOT-BC95122  Downingia bacigalupii M. Vasey 1990-6-30 9039 Modoc Pond along dirt road near Curtis Waterhole, NW of Egg Lake. 1300 Comment
  CHSC109675  Downingia bacigalupii Lowell Ahart; John Dittes 2012-7-10 18322 Modoc Along the sides and bottom of a small deep drainage, northeast of the old homestead, Ash Creek State Wildlife Area, about 3.4 miles (air) west of Adin, about 8.2 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  CAS-BOT-BC95125  Downingia bacigalupii Leland S. Smith 1920-5-17 1146 Modoc Gravens 1402 Comment
  JEPS108487  Downingia bicornuta var. bicornuta Lisa Schultheis 1996-6-29 311 -96 Modoc W of Goose Lake. On county Rd. 73 towards Crowder Flat, about 18 miles from Rt. 299. Comment
  UC1537635  Downingia bicornuta var. bicornuta Gordon H. True Jr. 1939-6-25 1034 Modoc ne of Alturas; Boles Meadow Comment
  JEPS14474  Downingia cuspidata Milo S. Baker 1893-6-18 Modoc Egg Lake Comment
  HSC3847  Downingia elegans M. T. Milligan 1964-7-1 118 Modoc W end of Ballard's Resvr. 1372 Comment
  SEINET12329656  Downingia insignis N. H. Holmgren, Holmgren, P. K. 1980-1 9456 Modoc U.S. Highway 299, 2.3 km (1.4 mi.) NE of junction with California Highway 139 through Canby, 1310 Comment
  UC1101476  Downingia laeta Herbert L. Mason and Verne Grant 1947-7-11 13369 Modoc s of Alturas (by Jones Lane, off Highway 395) Comment
  HSC26584  Downingia montana D. H. Norris, T. Nelson, S. Dowty 1971-6-23 19504 Modoc Big Valley Summit, 6 mi. W of Adin on Hwy. 299 Comment
  CAS-BOT-BC58296  Draba albertina Annie Montague Alexander; L. Kellogg 1946-8-3 5112 Modoc Head of Eagle Creek, Warner Mts. Comment
  JEPS90139  Draba densifolia Dean W. Taylor 1992-5-8 12558 Modoc 0.5 mi e of Moonlite Mines (Warner Mountains, Mount Bidwell); Warner Mountains, Mount Bidwell 2432 Comment
  CAS-BOT-BC58595  Draba novolympica P. Monnet 1913-7-7 902 Modoc Mt. Warren, Warner's Range. 2987 Comment
  CAS-BOT-BC58592  Draba verna Bruce Bartholomew; Mona Bourell 1990-4-28 5200 Modoc SE corner of North Alkali Lake, Surprise Valley. 1350 Comment
  CAS-BOT-BC58593  Draba verna Bruce Bartholomew; Barrett Anderson 1989-4-27 4620 Modoc 2.1 km SSE of Day on road to State Highway 299. 1020 Comment
  UC1594774  Drymocallis David Charlet 1989-8-15 500 Modoc 1 km nw Eagle Peak; South Warner Mountains, nw of Eagle Peak 2550 Comment
  CAS-BOT-BC214771  Drymocallis glandulosa Leland S. Smith 1918-6-23 954 Modoc Below Lily Lake - High Grade distriict. 2133 Comment
  HSC18760  Drymocallis glandulosa var. reflexa M. T. Milligan 1964-7-1 122 Modoc Howard's Gulch Campground on Hwy. 139 1372 Comment
  CHSC109208  Drymocallis lactea var. lactea L. P. Janeway; B. Castro 2012-7-24 10959 Modoc Warner Mountains. Along Forest Road/County Road 2 (the road from New Pine Creek to Fort Bidwell) 1.4 air km east of Lily Lake and 1.8 air km southwest of Dismal Swamp. 2250 Comment
  CAS-BOT-BC14807  Dugaldia hoopesii Robert Patterson; Mona Bourell 1993-8-14 5233 Modoc Patterson Lake. South Warner Wilderness Area. Warner Mountains. 2743 Comment
  CAS-BOT-BC14850  Dugaldia hoopesii Elmer Ivan Applegate 1932-8-1 8046 Modoc Arid E slope of Warren Peak near summit, Warner Mountains Comment
  CHSC100431  Echinochloa crus-galli Lowell Ahart; John Dittes 2008-8-25 15314 Modoc On the east bank of the Pit River (flood plain), about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout. 1273 Comment
  CHSC117262  Echinochloa crus-galli Lowell Ahart; John Dittes 2016-7-14 21209 Modoc South of Ash Creek Canal (now filled in), south of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley, 1273 Comment
  UC70670  Echinochloa crus-galli Mrs. M. H. Manning June 1903 403 Modoc north-eastern Modoc county Comment
  UC1101554  Elatine ambigua Herbert L. Mason 1947-7-10 13347 Modoc 2 air mi e Alturas (on little island); Doris Reservoir Comment
  RSA600329  Elatine brachysperma L. C. Wheeler 1935-8-3 3763 Modoc Warner Mountains: Pine Creek. 1738 Comment
  CHSC112826  Elatine californica Lowell Ahart; John Dittes 2013-7-24 18918 A 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
  CHSC117369  Elatine californica Lowell Ahart; John Dittes 2016-7-14 21211 A Modoc Strand of a new pond, south of Ash Creek Canal (now filled in), south of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. 1273 Comment
  RSA210827  Elatine chilensis R. F. Thorne, James Henrickson, C. W. Tilforth, K. Thorne 1969-9-4 39127 Modoc N Fork of Pit River 3.4 mi N of Alturas where crossed by Hwy 395. 1341 Comment
  JEPS127160  Elatine rubella Lowell Ahart, John Dittes 2016-7-16 21246 Modoc South of of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.75 miles (air) west of Adin, Big Valley. Comment
  UC1101550  Elatine triandra Herbert L. Mason 1947-8-8 13465 Modoc nw Alturas (sw margin of Big Sage Reservoir) Comment
  CAS-BOT-BC184098  Eleocharis coloradoensis Herbert L. Mason 1947-8-12 13512 Modoc Junction of North and South forks of Pit River, Alturas Comment
  UC698595  Eleocharis macrostachya Louis C. Wheeler 1935-9-1 3935 Modoc Pine Spring, Devils Garden 1524 Comment
  UC1100743  Eleocharis macrostachya Herbert L. Mason 1947-8-15 13560 Modoc spring leading into W side of Goose Lake, 11 mi from Davis Creek Comment
  UC698625  Eleocharis quinqueflora Louis C. Wheeler 1935-8-15 3862 Modoc Dismal Swamp, Twenty Mile Creek Warner Mountains 2225 Comment
  CHSC116068  Elodea canadensis Lowell Ahart; John Dittes 2015-7-16 20381 Modoc Ash Creek (destroyed), southeast of gavel pit (destroyed), about 1/8 mile east of parking area on east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeasst of Bieber, Big Valley. 1267 Comment
  CHSC85154  Elodea canadensis John Dittes; Josephine Guardino 1991-7-21 407 Modoc Modoc Plateau; Big Valley; Ash Creek Wildlife Area; ca. 5.7 air-miles northeast of Bieber, ca. 7.6 air-miles west of Adin, ca. 1.5 air-mile southeast of Pilot Butte summit; in channel at northern edge of Ash Creek Floodplain (Big Swamp) at southeast base of Pilot Butte. 1258 Comment
  UC1100131  Elodea canadensis Verne Grant and Irving Schneider 1947-8-28 8348 Modoc about 3.5 mi downstream Canby (Pit River, at entrance to gorge); Pit River Comment
  UC70405  Elodea canadensis Milo S. Baker 1899-8-12 Modoc Egg Lake Comment
  UC1026710  Elymus X saundersii L. D. Whitney 1935-7-1 3374 Modoc Hackamore River Comment
  UC1031350  Elymus X saundersii Leo Whitney 1935-7-17 3517 Modoc ca 15 mi nw Canby (bed of river); Modoc National Forest, Hackamore River 1463 Comment
  SJSU2086  Elymus elymoides J. W. Tilden 1958-6-26 1272 Modoc near W side of Cedar Pass between Alturas & Cedarville, Warner Mts 1828 Comment
  JEPS70699  Elymus elymoides subsp. elymoides Leland S. Smith 1918-6-22 970 Modoc High Grade-Pine Creek Modoc <National> Forest Comment
  UC1024929  Elymus elymoides subsp. elymoides Leo Whitney 1935-6-30 3357 Modoc open flat near Hackamore (ca 15 mi nw of Canby); Modoc National Forest 1463 Comment
  HSC65366  Elymus elymoides var. elymoides J. P. Smith, J. O. Sawyer 1973-8-8 7214 Modoc Near summit of Eagle Peak 2988 Comment
  UCD61274  Elymus macounii L. Whitney 1935-7-13 3492 Modoc Alturas. Comment
  UC1024736  Elymus multisetus Leo Whitney 1934-5-19 3044 Modoc Timbered Mountain Modoc National Forest, Devil's Garden (ne portion of county) 1524 Comment
  UCD62432  Elymus multisetus Robbins; Raynor 1943-6-1 Modoc Likely. Comment
  UC1037172  Elymus trachycaulus Leo Whitney 1935-7-21 3532 Modoc 15 mi w Canby; Modoc National Forest, Happy Camp 1463 Comment
  UC70661  Elymus trachycaulus Mrs. M. H. Manning June 1903 413 c Modoc N.E. Modoc Co. Comment
  POM195139  Elymus trachycaulus subsp. trachycaulus H. M. Hall 1923-8-6 11858 Modoc Toulumne Meadows. Dana Fork. 2622 Comment
  CHSC100509  Elytrigia pontica subsp. pontica Lowell Ahart; John Dittes 2008-8-25 15307 Modoc On the west bank (flood plain) of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-notheast of Lookout. 1273 Comment
  CHSC106189  Elytrigia pontica subsp. pontica Lowell Ahart; John Dittes 2010-8-31 17119 Modoc East side of Elkins Lane, about 20 yards south of the bridge across Ash Creek, Ash Creek State Wildlife Area, 4215 feet north of Lassen County Line, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  JEPS114871  Elytrigia pontica subsp. pontica Lowell Ahart, John Dittes 2008-8-25 15307 Modoc On the west bank (flood plain) of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-notheast of Lookout 1273 Comment
  CAS-BOT-BC191036  Epilobium angustifolium subsp. circumvagum Leland S. Smith 1922-7-20 1276 Modoc Rush Creek Ranger Station pasture. 1889 Comment
  CAS-BOT-BC191037  Epilobium angustifolium subsp. circumvagum Bruce Bartholomew 1991-7-6 5971 Modoc 0.8 km NE of Curtis Waterhole. 1310 Comment
  CAS-BOT-BC191022  Epilobium brachycarpum Bruce Bartholomew 1991-6-21 5799 Modoc 1.6 km S of Davis Creek on U.S. Hwy 395. 1450 Comment
  CAS-BOT-BC191026  Epilobium brachycarpum Bruce Bartholomew 1991-7-4 5922 Modoc Vicinity of Pine Spring between Miller Gulch and Twin Lakes. 1420 Comment
  CAS-BOT-BC191030  Epilobium brachycarpum Bruce Bartholomew; Barrett Anderson 1990-7-21 5589 Modoc Bear Flat, W side of Warner Mts. Ranger Station, E side of Warner Mts. 1830 Comment
  CAS-BOT-BC191032  Epilobium brachycarpum Alice Eastwood; John Thomas Howell 1940-6-15 8301 Modoc 5 mi. N of Lookout. Comment
  CHSC118819  Epilobium brachycarpum L. P. Janeway 2014-7-8 11474 Modoc Modoc Palteau. 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
  NY999860  Epilobium brachycarpum G. Schoolcraft 1993-8-2 2340 Modoc Near intersection of Hwy 395 and 299 east of Alturas 1372 Comment
  RSA210883  Epilobium brachycarpum Robert F. Thorne, J. Henrickson, C. W. Tilforth 1969-9-4 39069 Modoc Near old margin of Goose Lake, SW shore of Goose Lake N of McGinty Point 1433 Comment
  SEINET6635824 Image available Epilobium brachycarpum Verne Grant, Irving Schneider 1947-8-27 8308 Modoc ca. 10 mi S of Tulelake, Modoc National Forest Comment
  UC1191737  Epilobium brachycarpum Verne Grant and Irving Schneider 1947-8-27 8308 Modoc about 10 mi s Tulelake; Modoc National Forest Comment
  UCD105405  Epilobium brachycarpum G. Schoolcraft 1993-8-2 2340 Modoc Near intersection of Highway 395 and 299 E of Alturas. 1371 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
  CHSC116097  Epilobium ciliatum subsp. ciliatum Lowell Ahart; John Dittes 2015-7-16 20368 Modoc North edge of Ash Creek (destroyed), southeast of the gravel pit (destroyed), about 1/8 mile east of the parking area on the east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  CAS-BOT-BC190988  Epilobium ciliatum subsp. glandulosum Bruce Bartholomew; Barrett Anderson 1988-7-21 4466 Modoc Vicinity of Patterson Campground, southern end of the Warner Mts. 2190 Comment
  UC711832  Epilobium ciliatum subsp. glandulosum Roxana S. Ferris and Laura Lorraine 1941-8-13 10519 Modoc Patterson Ranger Station Warner Mts., Modoc National Forest (East Creek drainage) 2164 Comment
  JEPS39326  Epilobium clavatum W. L. Jepson 1918-8-13 7979 Modoc Eagle Peak Warner Mts. 3017 Comment
  CHSC100394  Epilobium densiflorum Lowell Ahart; John Dittes 2008-8-26 15341 Modoc On the bottom of Rose Creek, 550 feet southwest of confluence of Rose Creek and Pit River, on the northwest side of unnamed road,, 2860 feet east of intersection with County Road 85a, 9.3 miles (air) north-northeast of Lookout. 1276 Comment
  UC71664  Epilobium densiflorum Mrs. M. H. Manning Aug. 1903 210 Modoc near Fort Bidwell (ne Modoc Co.) Comment
  CAS-BOT-BC498683  Epilobium hornemannii Elmer I. Applegate 1932-8-2 8081 Modoc Mill Creek Meadows, Warner Mts. Comment
  CAS-BOT-BC190957  Epilobium hornemannii subsp. hornemannii Bruce Bartholomew 1994-7-2 6820 Modoc Mill Creek NE of Bald Mtn., E side of Warner Mountains. 2040 Comment
  UC873397  Epilobium hornemannii subsp. hornemannii C. L. Hitchcock 1940-5-27 6710 Modoc 15 mi ne Alturas (along stream) 1615 Comment
  NY1000434  Epilobium hornemannii var. hornemannii B. M. Bartholomew 1991-8-5 6035 Modoc Squaw Peak Trail on north side of Squaw Peak, east side of Warner Mountains 2420 Comment
  CAS-BOT-BC190950  Epilobium obcordatum Annie Montague Alexander; L. Kellogg 1946-7-23 5050 Modoc Emerson Peak, Warner Mts. Comment
  JEPS43879  Epilobium obcordatum W. L. Jepson 1918-8-7 7877 Modoc on summit Mt. Bidwell 2507 Comment
  UC524168  Epilobium obcordatum Elmer I. Applegate 1932-8-5 8170 Modoc cleft in rocks among summit crags; Warner Mts, Cedar Mt., Cedar Pass Comment
  CAS-BOT-BC190941  Epilobium oregonense Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10519 Modoc Patterson Ranger Station (East Creek drainage). 2164 Comment
  CAS-BOT-BC190930  Epilobium pallidum Bruce Bartholomew 1991-7-6 5988 Modoc Sand Flat on Loveness Logging Road. 1370 Comment
  CAS-BOT-BC190932  Epilobium pallidum Arnold Tiehm 1984-6-30 8836 Modoc NW side of Bidwell Mt., 2.2 road miles N of 8 Mile Creek on the road from Lake Annie. 1844 Comment
  CAS-BOT-BC190936  Epilobium pallidum Alice Eastwood; John Thomas Howell 1940-6-13 8126 Modoc Near Davis Creek. Comment
  CAS-BOT-BC190937  Epilobium pallidum D. M. Moore 1960-6-4 118 Modoc S end of Goose Lake, 2.1 mi. W of Davis Creek on road to W side of lake. Comment
  POM319044  Epilobium pallidum Patricia Wilder 1971-6-20 5067 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
  UCD106757  Epilobium pallidum Herbert L. Mason; Verne Grant 1947-7-13 13441 Modoc Joseph Creek on Highway 395, N of Davis Creek (east side of Goose Lake). Comment
  CAS-BOT-BC190865  Epilobium pygmaeum D. M. Moore 1960-6-4 120 Modoc 7.4 mi. W of Adin on road to Lookout. Comment
  CAS-BOT-BC190927  Epilobium pygmaeum Peter Hamilton Raven; Otto Thomas Solbrig 1958-6-18 13332 Modoc Eastern outskirts of Lookout. Comment
  NY1000519  Epilobium pygmaeum L. C. Wheeler 1935-8-18 3894 Modoc 2 miles northeast of Alturas 1356 Comment
  RSA795598  Epilobium pygmaeum L. Ahart, John Dittes 2010-8-30 17058 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
  CAS-BOT-BC190864  Epilobium torreyi Clare Butterworth Hardham 1974-8-4 20183 Modoc Headwaters of Dismal and 12 Mile creeks. 2133 Comment
  POM161478  Epipactis gigantea Franklin P. Nutting 1894-6-30 s.n. Modoc Big Valley near Sookout Comment
  JEPS89834  Equisetum arvense Dean W. Taylor 1992-5-8 12557 Modoc ca. 1.5 air mi. w. of Oregon State Line Pine Creek Canyon; Warner Mts., Pine Creek Canyon 1554 Comment
  CHSC117138  Equisetum laevigatum Lowell Ahart; John Dittes 2016-7-14 21211 -B Modoc Strand of new pond, south of Ash Creek Canal (now filled in), south of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. 1273 Comment
  HSC861  Equisetum laevigatum M. T. Milligan 1964-7-1 104 Modoc Rattlesnake Butte Rd. at Pit River. 1372 Comment
  UC1192371  Equisetum laevigatum Verne Grant and Irving Schneider 1947-7-20 8107 Modoc downstream from Alturas (N Fork Pit River) Comment
  CAS-BOT-BC95480  Eremogone aculeata M. M. Hanna 1956-6-4 s.n. Modoc Lava Mesa along highway, Cedar Pass to Cedarville. Comment
  CAS-BOT-BC95489  Eremogone aculeata Bruce Bartholomew; Barrett Anderson 1988-6-24 4318 Modoc Lily Lake, W side of the Warner Mts.. 2130 Comment
  CAS-BOT-BC95492  Eremogone aculeata Elmer Ivan Applegate 1932-8-1 8007 Modoc Arid W slope of Warner Mts. S of Warren Peak. Comment
  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-BC95457  Eremogone congesta E. S. Willits 1940-6-5 323 Modoc Canby. Comment
  CAS-BOT-BC95464  Eremogone congesta John Thomas Howell 1934-6-30 12288 Modoc Duncan Horse Camp. 1355 Comment
  CAS-BOT-BC95447  Eremogone congesta John H. Hatton 1911-6-14 91 Modoc Pitt River Ranger Station. Comment
  CHSC115509  Eremogone congesta var. congesta L. P. Janeway 2014-7-8 11459 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
  SJSU9701  Eremogone congesta var. simulans W. Savage 1979-7-10 1532 Modoc Oregon Rim Unit, Devils Garden District, Modoc National Forest 1645 Comment
  CHSC112363  Eremogone congesta var. subcongesta L. P. Janeway; B. Castro 2014-6-2 11282 Modoc Great Basin. Along County Road5 1.0 km west of the southwest corner of Cow Head Lake. 1627 Comment
  HSC5736  Ericameria bloomeri M. T. Milligan 1966-7-29 492 Modoc Slopes and ridges E of Jess Valley 1677 Comment
  RSA608600  Ericameria bloomeri L. C. Wheeler 1935-9-9 3960 Modoc Devils Garden: 1 mile NE of South Mountain 1524 Comment
  UC76032  Ericameria bloomeri Milo S. Baker Modoc Forestdale Comment
  RSA78894  Ericameria bloomeri E. K. Balls, Percy C. Everett 1952-10-11 18160 Modoc 15.7 miles NW of jct. of Hwys 299 and 139, along Hwy. 139, between Alturas and Klamath Falls 1402 Comment
  HSC81131  Ericameria greenei G. M. Riegel 1980-8-29 1126 Modoc South Warner Mtns. 1829 Comment
  CAS-BOT-BC14817  Ericameria greenei Harvey Monroe Hall 1925-8-30 12209 Modoc Mt. slopes, E side Goose Lake. Comment
  CAS-BOT-BC287484  Ericameria greenei Roxana S. Ferris; Laura Lorraine 1941-8-14 10618 Modoc Summit of Fandango Pass, on road between Fort Bidwell and Pine Creek, Warner Mts, Modoc National Forest 1889 Comment
  CAS-BOT-BC287485  Ericameria greenei Elmer I. Applegate 1932-8-5 8184 Modoc S slope of Cedar Mt, Warner Mts Comment
  UC195494  Ericameria nauseosa var. oreophila Franklin P. Nutting Modoc near Lookout; Big Valley Comment
  CAS-BOT-BC298194  Ericameria nauseosa var. oreophila Elmer I. Applegate 1932-8-6 8199 Modoc E side of Middle Lake, Surprise Valley Comment
  UC1281347  Ericameria nauseosa var. speciosa H. E. McMinn 1931-5-23 2478 Modoc Warren Mts., Fandango Pass Comment
  UC217111  Ericameria nauseosa var. speciosa H. M. Hall 1921-9-10 11671 Modoc s of Alturas Comment
  UC71702  Ericameria nauseosa var. speciosa Mrs. M. H. Manning 1902-10-1 14 Modoc Comment
  CAS-BOT-BC42806  Erigeron bloomeri var. bloomeri Barrett Anderson 1986-7-9 3134 Modoc Roney Flat Rd just off Hwy 299. 1435 Comment
  CAS-BOT-BC42816  Erigeron compositus Annie M. Alexander; Louise Kellogg 1946-8-1 5103 Modoc Eagle Peak, Warner Mountains 3011 Comment
  HSC81102  Erigeron coulteri G. M. Riegel 1980-8-9 1019 Modoc S Warner Mts. 2100 Comment
  CAS-BOT-BC42780  Erigeron divergens C. C. (Mrs.) Bruce 1894-8-1 60 Modoc Davis Creek. Comment
  JEPS127166  Erigeron divergens Lowell Ahart, John Dittes 2016-7-14 21154 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
  JEPS5928  Erigeron divergens Frances D. Payne 1931-6-11 144 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  CAS-BOT-BC42789  Erigeron eatonii var. plantagineus C. C. (Mrs.) Bruce 1893-7-1 100 Modoc Davis Creek. Comment
  CAS-BOT-BC42792  Erigeron eatonii var. plantagineus M. M. Hanna 1956-6-7 1013 Modoc Hwy 139 between Canby and Tienesta. Comment
  CAS-BOT-BC42793  Erigeron eatonii var. plantagineus Bruce Bartholomew 1989-7-15 4991 Modoc Sweagert Flat. 1860 Comment
  CAS-BOT-BC42795  Erigeron eatonii var. plantagineus Mrs. H. C. Cantelow 1941-5-23 s.n. Modoc Hwy 299 just E of Adin Pass Summit. 1576 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
  UC711883  Erigeron eatonii var. plantagineus Roxana S. Ferris and Laura Lorraine 1941-8-14 10585 Modoc 3 mi from Patterson Ranger Station (on road to Eagleville); Warner Mountains, Modoc National Forest Comment
  UC619259  Erigeron eatonii var. plantagineus J. and H. W. Grinnell 1938-6-16 1113 Modoc Cedar Pass summit Warner Mountains 1935 Comment
  JEPS22366  Erigeron filifolius W. L. Jepson 1918-8-7 7894 Modoc Mt. Bidwell 2286 Comment
  POM203066  Erigeron filifolius J. T. Howell 1934-6-30 12283 Modoc Duncan Horse Camp. Comment
  UC87693  Erigeron filifolius Mrs. R. M. Austin 1884-7-1 Modoc Fort Bidwell Comment
  CAS-BOT-BC49620  Erigeron glacialis var. glacialis Bruce Bartholomew; Barrett Anderson 1988-7-23 4581 Modoc Dismal Swamp, Warner Mts.. 2180 Comment
  HSC5082  Erigeron glacialis var. glacialis M. T. Milligan 1964-7-25 176 Modoc Pine Creek Basin, along trail. 2439 Comment
  JEPS103178  Erigeron glacialis var. hirsutus G. Schoolcraft 2000-7-18 2921 Modoc Near Dismal Swamp in N Warner Mountains 2209 Comment
  CAS-BOT-BC49636  Erigeron inornatus var. inornatus Bruce Bartholomew 1989-8-10 5047 Modoc 8.7 km E of Day on County Road 94. Comment
  UC748495  Erigeron inornatus var. inornatus Annie M. Alexander and Louise Kellogg 1946-8-9 5148 Modoc Patterson Lake Trial Warner Mountains Comment
  CAS-BOT-BC49604  Erigeron linearis R. M. Austin; C. C. (Mrs.) Bruce 1898-7-1 2187 Modoc Modoc County. Comment
  RSA26208  Erigeron linearis Alice Eastwood, John Thomas Howell 1940-6-12 8104 a Modoc West side of Cedar Pass. Comment
  UC748382  Erigeron linearis Annie M. Alexander and Louise Kellogg 1946-6-27 4851 Modoc top of ridge, 2 mi by road from Dismal Swamp (n end of Warner Mountains); Warner Mountains, Highgrade 2377 Comment
  UC1035994  Erigeron linearis Helen K. Sharsmith 1955-6-23 4493 Modoc 6.7 mi e Cedar Campground (just s of State Highway 29); Warner Mountains, Modoc National Forest 1859 Comment
  CAS-BOT-BC49582  Erigeron philadelphicus Bruce Bartholomew; Barrett Anderson 1988-6-24 4355 Modoc 9.8 km SW of County road 1 on County Road 42, E side of the Warner Mts.. 1960 Comment
  CAS-BOT-BC49585  Erigeron pumilus subsp. intermedius John Thomas Howell 1934-7-1 12320 Modoc Duncan Horse Camp. 1355 Comment
  RSA149083  Erigeron pumilus subsp. intermedius I. L. Wiggins, Dorothy Wiggins 1961-6-15 16500 Modoc Junction of gravel road to Tieneste and Glass Mountain with Hwy. 139, 28 miles W of Canby. Comment
  HSC5543  Erigeron pumilus var. intermedius M. T. Milligan 1966-6-19 645 Modoc Plateau W of Jess Valley 1829 Comment
  UC748127  Erigeron tener Annie M. Alexander and Louise Kellogg 1946-7-23 5045 Modoc summit Emerson Peak; Warner Mountains, Emerson Peak 2749 Comment
  CAS-BOT-BC197832  Eriogonum caespitosum M. Vasey 1990-6-28 9006 Modoc In vicinity of pass at junction of North Emerson Lake Trail and Owl Creek Trail, Wouth Warner Wilderness. 2590 Comment
  CAS-BOT-BC197830  Eriogonum douglasii var. meridionale Bruce Bartholomew 1991-8-5 6029 Modoc Summit Trail between Pepperdine and Squaw Peak, W side of Warner Mts. 2190 Comment
  CHSC117047  Eriogonum douglasii var. meridionale Lowell Ahart; John Dittes 2016-6-6 20950 Modoc About 40 yards west of the dirt road, about 50 yards southwest of the intersection of County Road 87 and Access Road to Pilot Butte Parking Area, northeast base of Pilot Butte, 3.8 miles (air) east of Lookout, 7.5 miles (air) west of Adin, Ash Creek State Wildlife Area. 1271 Comment
  UC1250292  Eriogonum elatum Annie M. Alexander and Louise Kellogg 1946-7-7 4919 Modoc s, on highway Fort Bidwell Comment
  HSC43010  Eriogonum heracleoides var. heracleoides J. P. Smith, J. O. Sawyer 1973-8-8 7243 Modoc S slopes of Eagle Peak 2561 Comment
  CAS-BOT-BC211401  Eriogonum nudum var. pubiflorum Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10574 Modoc Patterson Ranger Station (East Creek drainage), Warner Mts. 2164 Comment
  NY762340  Eriogonum nudum var. pubiflorum J. L. Gentry Jr. 1968-7-4 2114 Modoc 3.9 miles west of Highway jct. Calif. 139 and Calif. 299 at Pit River. 1341.1 Comment
  RSA176186  Eriogonum nudum var. pubiflorum Noel Holmgren, James L. Reveal 1964-8-21 1717 Modoc Warner Range, Modoc National Forest, about 5 miles southwest of Eagleville on the Eagleville - Likely Road Comment
  SD46518  Eriogonum nudum var. pubiflorum Robert J. Weatherly 1955-7-8 1637 Modoc 3 miles north of Ft. Bidwell, northern Warner Mts. 1554 Comment
  SEINET11261586  Eriogonum nudum var. pubiflorum Noel H. Holmgren, James L. Reveal 1964-8-21 1717 Modoc Warner Range, about 5 miles southwest of Eagleville on the Eagleville-Likely Road.; 0 Comment
  SEINET5330941  Eriogonum nudum var. pubiflorum M. J. Williams 1984-6-30 84- 76 -1 Modoc Cedar Pass Road, Warner Mtns., 1.7 mi W of Cedarville. 1509 Comment
  SEINET5330947  Eriogonum nudum var. pubiflorum J. Gentry Jr. 1968-7-4 2114 Modoc 3.9 miles west of Hwy. jct. Calif. 139 and Calif. 299, on Calif. 299 at Pit River. 1341 Comment
  SEINET5330949  Eriogonum nudum var. pubiflorum M. S. Baker Unknown s.n. Modoc No data. Comment
  RSA164358  Eriogonum ovalifolium var. multiscapum Clare B. Hardham 1961-6-18 7549 Modoc Hills southeast of Cedar Pass 1829 Comment
  CAS-BOT-BC258740  Eriogonum ovalifolium var. ovalifolium Mrs. H. C. Cantelow 1940-6-2 4179 Modoc S.E. of Indian Wells Ranger Station Comment
  CAS-BOT-BC211351  Eriogonum spergulinum var. reddingianum Elmer Ivan Applegate 1932-8-3 8104 Modoc East branch of Mill Creek, Mill Creek Meadows, west slope Warner Mts. Comment
  RSA339146  Eriogonum sphaerocephalum Margaret J. Williams 1985-7-1 84- 87 -5 Modoc NW of Vlturas, Crowder Flat Rd., near Big Sage Reservoir. 1372 Comment
  CAS-BOT-BC211389  Eriogonum sphaerocephalum var. halimioides Belknap C. Goldsmith 1912-7-1 56 Modoc Little Hot Spring Valley. Comment
  UC6459  Eriogonum sphaerocephalum var. halimioides M. S. Baker and Frank Nutting June 1894 Modoc near Egg Lake Comment
  CAS-BOT-BC211363  Eriogonum strictum subsp. anserinum Annie Montague Alexander; L. Kellogg 1946-7-24 5072 Modoc Horse Mountain, Warner Mts. Comment
  NY283218  Eriogonum strictum var. anserinum M. J. Williams 1988-5-30 8826- 2 Modoc Jess Valley, south of roadside rest 1524.0 Comment
  UC1250295  Eriogonum strictum var. anserinum Annie M. Alexander and Louise Kellogg 1946-7-24 5072 Modoc Horse Mountain Warner Mountains, Horse Mountain Comment
  CHSC117054  Eriogonum umbellatum var. modocense Lowell Ahart; John Dittes 2016-6-6 20946 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
  CHSC67125  Eriogonum umbellatum var. modocense James D. Jokerst 1987-5-11 2829 Modoc Radar Survey Site S of Doublehead Mtn., S of Clear lake Reservoir. 1363 Comment
  CAS-BOT-BC197789  Eriogonum umbellatum var. nevadense Annie Montague Alexander; L. Kellogg 1946-7-11 4972 Modoc Mesa W of Eight Mile Creek, NE corner of county. 1752 Comment
  NY399261  Eriogonum umbellatum var. nevadense B. M. Bartholomew 1989-7-15 5017 Modoc Manzanita Lookout, top of Manzanita Mountain 2130 Comment
  NY399274  Eriogonum umbellatum var. nevadense B. Anderson 1986-7-9 3158 Modoc Warner Mountains. Highway 299 just west of Cedar Pass. 1920 Comment
  HSC81007  Eriogonum umbellatum var. polyanthum G. M. Riegel 1979-7-1 451 Modoc S Warner Mtns. 1739 Comment
  SEINET5331989  Eriogonum umbellatum var. polyanthum M. J. Williams 1984-7-1 84- 86 -3 Modoc 3.1 mi N of Hwy 299 on Crowder Flat Road. 1341 Comment
  NY399297  Eriogonum umbellatum var. torreyanum L. C. Wheeler 1935-8-3 3773 Modoc Pine Creek 1950.7 Comment
  CAS-BOT-BC197593  Eriogonum vimineum Annie Montague Alexander; L. Kellogg 1946-7-17 4996 Modoc Cedar Pass, Warner Mts. Comment
  CAS-BOT-BC197601  Eriogonum vimineum R. M. Austin 1898-8-1 2317 Modoc Goose Lake valley. Comment
  JEPS56153  Eriogonum vimineum W. L. Jepson 1918-8-6 7851 Modoc Surprise Valley 1447 Comment
  NY399608  Eriogonum vimineum B. Anderson 1986-7-9 3162 Modoc Warner Mountains. County road 195 just east of Cedar Pass 1785 Comment
  SEINET10299471  Eriogonum vimineum F. H. Frost 1925-7-11 17 Modoc Cedar Canyon campsite, 2 miles above Cedarville Comment
  HSC45971  Eriophorum gracile J. P. Smith, J. O. Sawyer 1973-8-9 7279 Modoc Blue Lake, Modoc Natl. Forest 1829 Comment
  CAS-BOT-BC49551  Eriophyllum lanatum Roxana Stinchfield Ferris; R. Duthie 1919-6-13 60 Modoc Above Parker Creek at Modoc N.F. boundary Comment
  CAS-BOT-BC49590  Eriophyllum lanatum John H. Hatton 1911-6-22 145 Modoc Modoc National Forest 1615 Comment
  CAS-BOT-BC49599  Eriophyllum lanatum Gordon H. True 1964-6-3 1461 Modoc North Fork Pit River between Alturas and Goose Lake. 1463 Comment
  UC468952  Eriophyllum lanatum var. achilleoides W. P. Taylor and H. C. Bryant 1910-6-10 Modoc Alturas Warner Mountains, S Fork Pitt River, Alturas 1402 Comment
  SDSU4093  Eriophyllum lanatum var. achilleoides D. F. Howe 1964-7-31 3906 Modoc Modoc National Forest 8.5 miles from entrance on road from Likely, Warner Mts. 1554 Comment
  UC190611  Eriophyllum lanatum var. achilleoides M. F. Gilman 626 Modoc Comment
  CAS-BOT-BC21478  Eryngium articulatum Leland S. Smith 1922-8-10 1334 Modoc Medow W of Gutzman's. 1432 Comment
  CHSC100392  Eryngium articulatum Lowell Ahart; John Dittes 2008-8-25 15285 Modoc On the west bank (flood plain) of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-notheast of Lookout. 1273 Comment
  UC420514  Eryngium castrense Milo S. Baker 1899-8-18 Modoc Little Hot Springs Valley Comment
Read comments Sep 11 2007
  JEPS114399  Eryngium mathiasiae Lowell Ahart, John Dittes 2008-8-25 15306 Modoc On the west bank (flood plain) of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout 1273 Comment
  RSA520493  Eryngium mathiasiae Bruce Bartholomew 1989-8-10 5041 Modoc Little Hot Springs Valley, 3.9 km NW of Day 1070 Comment
  JEPS53547  Erysimum repandum W. L. Jepson 1918-8-6 7850 Modoc Surprise Valley 1447 Comment
  SD135614  Erysimum repandum B. Bartholomew, M. Bourell 1990-4-27 5185 Modoc 10.3 km northwest of Highway 299 on Crowder Flat Road 0 Comment
  CAS-BOT-BC229924  Erythranthe guttata Edward Kent Balls 1950-5-10 14602 Modoc Menlo Baths, W of Lower Alkali Lake. 1432 Comment
  CAS-BOT-BC229925  Erythranthe guttata Leland S. Smith 1919-8-18 1135 Modoc Ash Valley. 1463 Comment
  CAS-BOT-BC234475  Erythranthe inflatula Bruce Bartholomew 1995-6-22 6988 Modoc Between Day and Lookout, just W of Burlington Northern Railroad track on County Road 94. 1270 Comment
  CAS-BOT-BC234501  Erythranthe microphylla K. Paulson; Robert Paulson 1988-6-19 44 Modoc Near Cottonwood Flat. 1539 Comment
  CAS-BOT-BC234478  Erythranthe moniliformis Annie Montague Alexander; L. Kellogg 1946-7-7 4957 Modoc Eight Mile Creek. 1752 Comment
  CAS-BOT-BC234469  Erythranthe pulsiferae Bruce Bartholomew 1995-7-30 7041 Modoc 3.9 km E of Day on County Road 94 just beyond the ridge crest. 1390 Comment
  CAS-BOT-BC234474  Erythranthe pulsiferae Bruce Bartholomew; Barrett Anderson 1989-6-3 4910 Modoc ca. 6 km NW of Egg Lake and ca. 0.8 km E of Service Flat Gulch. 1370 Comment
  SD215505  Euphorbia serpillifolia Louis C. Wheeler 1973-8-24 Modoc Warner Mountains; Sworinger Reservoir. 1798 Comment
  UC748364  Eurybia integrifolia Annie M. Alexander and Louise Kellogg 1946-8-9 5130 Modoc Patterson Lake Trail Warner Mountains Comment
  CAS-BOT-BC498674  Fabaceae Clare B. Hardham 1961-6-18 7862 Modoc Warner Muntains. Pine Creek 1676 Comment
  CAS-BOT-BC247706  Festuca idahoensis Leland S. Smith 1917-7-10 105 Modoc Granger Mill. 2133 Comment
  CAS-BOT-BC247713  Festuca idahoensis Leland S. Smith 1920-6-11 1168 Modoc Timber Mt. 1432 Comment
  POM203058  Festuca idahoensis J. T. Howell 1934-6-30 12293 Modoc Duncan Horse Camp. Comment
  UC1024863  Festuca occidentalis Leo Whitney 1935-6-1 3162 b Modoc ca 18 mi wnw Canby; Hole-in-the-Rock Comment
  JEPS74011  Festuca pratensis Frances D. Payne 1932-7-18 711 Modoc s. and e. Alturas (Parker Creek); Warner Mts., Parker Creek 1584 Comment
  UC1037180  Festuca pratensis Leo Whitney 1935-8-18 3614 Modoc Comment
  CAS-BOT-BC179188  Floerkea proserpinacoides Frank Warrington Peirson 1926-6-25 6888 Modoc Small side canyon, 1 mi. E of summit, Cedarville Rd. Comment
  RSA70435  Floerkea proserpinacoides F. W. Peirson 1926-6-25 6888 Modoc Small side canyon 1 mile east of summit of Warner Mountains on Cedarville Road. Comment
  CAS-BOT-BC214649  Fragaria virginiana Bruce Bartholomew 1994-5-29 6743 Modoc Slopes adjacent to Roney Flat. 1460 Comment
  HSC80697  Fragaria virginiana G. M. Riegel 1980-7-10 864 Modoc S Warner Mtns. 2100 Comment
  NY188596  Frasera albicaulis K. Paulson 1988-5-22 9 Modoc Fletcher Creek, Devil's Garden. 1402.1 Comment
  UC22607  Fraxinus latifolia Milo S. Baker Jun 8 1893-Jun 25 1893 Modoc Egg Lake, Lava Bed side Egg Lake Comment
  UCR71889  Fraxinus latifolia B. Bartholomew 1991-7-6 5982 Modoc W side of Egg Lake. 1300 Comment
  CAS-BOT-BC242091  Fritillaria pudica Bruce Bartholomew; Barrett Anderson 1989-4-28 4656 Modoc SW corner of Raker & Thomas Reservoir. 1500 Comment
  CAS-BOT-BC242101  Fritillaria pudica Bruce Bartholomew; Mona Bourell 1990-4-27 5192 Modoc 1.1 km E of the Modoc National Forest boundary on Parker Creek Road. 1660 Comment
  CHSC30634  Fritillaria pudica N. E. H. Prouty 1980-6-2 171 Modoc Sheep Rock T. S. Rising above Dry Creek. Modoc Nat. Forest, Warner Mt. District. Comment
  CHSC65862  Fritillaria pudica J. Ingraham 1995-4-16 11 Modoc 1 mi N. of Davis Creek on Hwy 395, 300 yds. E of Junction of Co. Rd. 133B and Hwy 395, 100 yds. E. 1487 Comment
  RSA520504  Fritillaria recurva Bruce Bartholomew, M. Bourell 1990-4-26 5152 Modoc 0.5 km S of Day. 1100 Comment
  HSC80761  Galium aparine G. M. Riegel 1980-7-24 935 Modoc South Warner Mtns. 2100 Comment
  RSA520345  Galium bifolium Bruce Bartholomew, B. Anderson 1989-6-2 4842 Modoc Vicinity of Stough Reservoir, Warner Mtns. 1950 Comment
  UC1485928  Galium glabrescens subsp. modocense Gregg M. Riegel 1980-8-28 1117 Modoc 1/2 mi e Owl Creek Trail (near summit); Modoc Nat. Forest, S Warner Mt. Wilderness Area 2511 Comment
  UC1485929  Galium glabrescens subsp. modocense Gregg M. Riegel 1980-8-25 1103 Modoc 1 mi s Squaw Pk. (1/4 mi e of Summit Trail); Modoc National Forest, S Warner Mt. Wilderness Area 2438 Comment
  CHSC109739  Galium triflorum B. Castro; L. P. Janeway 2012-7-28 1981 Modoc Warner Mountains. Along the major eastern tributary of Pine Creek where the road to Poison Lake crosses it (the road washed out here). 1943 Comment
  CHSC85401  Galium triflorum John Dittes; Josephine Guardino 1991-8-24 462 Modoc Modoc Plateau; Warner Mountains; west slope, ca. 8.2 air-miles east of Goose Lake, ca. 2.3 air-miles south of Dismal Swamp, ca. 1.6 air-mile west of Bidwell Mtn.; tributary of Bidwell Creek west of Highgrade Road. 2087 Comment
  RSA31282  Gayophytum decipiens H. C. Cantelow 1940-6-2 s.n. Modoc About 10 miles NW of Canby, on road to Lava Beds Monument Comment
  UC711859  Gayophytum diffusum subsp. parviflorum Roxana S. Ferris and Laura Lorraine 1941-8-13 10543 Modoc Patterson Ranger Station Warner Mountains, Modoc National Forest, East Creek drainage 2164 Comment
  JEPS27566  Gayophytum racemosum Milo S. Baker 1893-6 Modoc near Forestdale Comment
  UC1028656  Gayophytum racemosum Robert J. Weatherby 1955-7-8 1609 A Modoc 7 mi n Ft. Bidwell 1874 Comment
  JEPS24348  Gentiana affinis var. ovata L. S. Smith 1918-7-29 1010 Modoc Patterson Mill Warner Mts. 2194 Comment
  CAS-BOT-BC180116  Gentiana calycosa R. M. Austin 1894-9-1 1894 Modoc Lassen Creek. Comment
  UC748253  Geranium viscosissimum Annie M. Alexander and Louise Kellogg 1946-7-12 4986 Modoc Twelve Mile Creek, ne corner of Modoc County Twelve Mile Creek Comment
  UC748254  Geranium viscosissimum Annie M. Alexander and Louise Kellogg 1946-7-3 4901 Modoc 5 mi w Fort Bidwell; Bidwell Creek Canyon Comment
  CDA28447  Geranium viscosissimum T. C. Fuller 1963-6-11 10652 a Modoc Little Meadow Campground, South Fork of the Pit River, 7.9 miles east of Likely. 0 Comment
  NY1101444  Geranium viscosissimum var. nervosum B. Anderson 1986-7-9 3137 Modoc Poney Flat Rd just off Hwy 299 1435 Comment
  UC12257  Geum aleppicum M. S. Baker and Frank Nutting 1894-6-30 Modoc Big Valley, near Lookout Big Valley Comment
  CAS-BOT-BC214654  Geum macrophyllum Elmer Ivan Applegate 1932-8-2 8094 Modoc Mill Creek Meadows, W slope of Warner Mts. Comment
  CAS-BOT-BC214655  Geum macrophyllum Roxana Stinchfield Ferris; R. Duthie 1919-6-13 49 Modoc Parker Creek near Modoc Nat. Forest Boundary. Comment
  CAS-BOT-BC214680  Geum triflorum K. Paulson; Robert Paulson 1989-7-2 159 Modoc Vicinity of Craig Spring, ca. 2 mi. NE of Happy Camp. 1447 Comment
  CAS-BOT-BC214682  Geum triflorum Leland S. Smith 1917-7-2 60 Modoc Shields Creek. 2316 Comment
  UCR163907  Geum triflorum Jim Andre 1993-6-30 1402 Modoc Modoc Plateau, about 10 miles NW of Canby on Hwy 139, near NW end of Oak Ridge 1494 Comment
  POM140053  Geum triflorum var. ciliatum Milo S. Baker 1893-1 s.n. Modoc Forestdale Comment
  RSA454454  Geum triflorum var. ciliatum Christopher Davidson 1973-5-26 2140 Modoc 1 mile N of Adin Summit on St. Hwy 299; Modoc Nat'l Forest 1524 Comment
  CAS-BOT-BC190701  Gilia brecciarum subsp. brecciarum Leland S. Smith 1919-5-4 1085 Modoc Along Likeley road near Fitzhugh Creek. 1524 Comment
  RSA63721  Gilia congesta var. montana Verne Grant, Alva Grant 1950-7-14 8944 Modoc North flank of Cedar peak near summit, Warner Mts., Modoc Co. 2287 Comment
  CAS-BOT-BC190689  Gilia leptalea subsp. leptalea Bruce Bartholomew 1995-7-30 7048 Modoc Big Valley Mountains N of County Road 94. 1400 Comment
  NY964516  Gilia leptomeria var. micromeria B. M. Bartholomew 1991-5-24 5695 Modoc Surprise Valley, 5.1 km E of Eagleville. 1370 Comment
  CAS-BOT-BC190663  Gilia sinistra subsp. sinistra Louis Cutter Wheeler 1935-8-13 3833 Modoc Barnes Creek, Warner Mts. 1828 Comment
  CAS-BOT-BC95146  Githopsis specularioides Bruce Bartholomew 1995-6-1 6920 Modoc Between Day and Day Rock SW slope of the Whitehorse Mountains. 1260 Comment
  RSA323604  Glaux maritima A. Tiehm, Susan Cochrane, Jan Nachlinger, Gary Schoolcraft 1984-6-24 8796 Modoc Surprise Valley, Mineral Wells on east side of Alkali Lake. Comment
  HSC38839  Glyceria borealis J. P. Smith, J. O. Sawyer 1973-8-9 7270 Modoc Blue Lake, Modoc National Forest. 1829 Comment
  CAS-BOT-BC303769  Glyptopleura marginata B. Bartholomew; B. Anderson 1989-6-2 4834 Modoc 6.4 km E of Eagleville on the road to the California state border, E side of Surprise Valley 1550 Comment
  CAS-BOT-BC49537  Gnaphalium palustre Bruce Bartholomew 1994-10-8 6877 Modoc 1.8 km S of Lookout - Adin Road on County Road 87A. 1260 Comment
  CAS-BOT-BC49574  Gnaphalium palustre Bruce Bartholomew; Barrett Anderson 1990-7-19 5431 Modoc Sweagert Flat. 1860 Comment
  JEPS117376  Gnaphalium palustre Lowell Ahart, John Dittes 2010-8-30 17075 Modoc About 10 yards west of the fence, south edge of the meadow, Ash Creek State Wildlife Area, 2300 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley. Comment
  JEPS121225  Gratiola neglecta Lowell Ahart, John Dittes 2013-7-24 18917 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
  JEPS21901  Gratiola neglecta Verne Grant and Irving Schneider 1947-7-18 8038 Modoc Eastside Canal s Alturas (5 mi n of Bayley's bridge); Eastside Canal Comment
  JEPS21902  Gratiola neglecta Malcolm A. Nobs and S. Galen Smith 1949-7-22 1067 Modoc Likely canals at South Fork of Pit River (bottom of dry canals at South Fork of Pit River) Comment
  JEPS3605  Gratiola neglecta Herbert L. Mason and Verne Grant 1947-7-12 13393 Modoc off Highway 395 several mi s Alturas (irrigation ditch by Jones' Lane) Comment
  UC1191894  Gratiola neglecta Herbert L. Mason and Verne Grant 1947-7-11 13374 Modoc along Highway #395 s Alturas (near w side of road); South Fork of Pitt River Comment
  UC1051437  Gratiola neglecta Herbert L. Mason 1955-8-14 14656 Modoc n Rim Rock Reservoir (Drift Fence Reservoir); , n of Rim Rock Reservoir Comment
  UC1191880  Gratiola neglecta Verne Grant and Irving Schneider 1947-7-20 8094 Modoc n Likely (Pitt Valley; s loop of westside road); Pitt Valley Comment
  NY31109  Grindelia fraxinipratensis D. Demarée 1959-8-15 41489 Modoc Davis Creek bottoms 1432.6 Comment
Read comments Dec 28 2013
  CAS-BOT-BC49541  Grindelia hirsutula K. Paulson; Robert Paulson 1989-7-18 191 Modoc Parker Creek Rd. 1508 Comment
  SEINET3146837  Grindelia hirsutula M. S. Baker sn Modoc Forest Dale Comment
  CAS-BOT-BC54085  Hackelia cusickii Bruce Bartholomew 1992-5-15 6296 Modoc N end of Surprise Valley, S of Cow Head Lake. 1600 Comment
  CAS-BOT-BC54090  Hackelia cusickii Barbara Trowbridge; D. Toren 1975-6-20 5140 Modoc Fandango Pass. 1828 Comment
  RSA531333  Hackelia cusickii Bruce Bartholomew, M. Bourell 1990-4-28 5209 Modoc 4.3 km SE of Rush Creek on road to Hunters Ridge 1550 Comment
  SEINET12597087  Hackelia floribunda D. A. Charlet 1989-8-1 551 Modoc Warner Mountains, 0.8 km NNW of Eagle Peak. 2719 Comment
  CAS-BOT-BC54051  Hackelia micrantha K. Paulson; Robert Paulson 1988-6-29 60 Modoc Eastern Joseph Creek Basin, Warner Mts.. 1828 Comment
  CAS-BOT-BC54100  Hackelia micrantha Bruce Bartholomew 1991-8-5 6037 Modoc Squaw Peak Trail on N side of Squaw Peak, E side of Warner Mts. 2420 Comment
  UC748455  Hackelia micrantha Annie M. Alexander and Louise Kellogg 1946-6-30 4877 Modoc n end of Warner Mountains (Highgrade, w side of ridge) 2377 Comment
  CHSC100432  Helianthus annuus Lowell Ahart; John Dittes 2008-8-25 15313 Modoc On the east bank of the Pit River (flood plain), about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout. 1273 Comment
  JEPS34872  Helianthus annuus F. H. Frost 1925-7-18 80 Modoc Cedarville roadside 2 mi s Cedarville Comment
  CAS-BOT-BC49502  Helianthus cusickii Mrs. H. C. Cantelow 1940-5-31 3085 Modoc 3 mi. E of Canby. Comment
  CAS-BOT-BC49505  Helianthus cusickii Margaret J. Williams; et al 1988-6-2 88- 28 -5 Modoc Jess Valley, E of Likely, S of roadside rest. Comment
  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
  OBI48585  Helianthus cusickii Lewis S. Rose 1940-6-11 40512 Modoc Canby 1326 Comment
  SEINET8465055 Image available Heliotropium curassavicum B. Bartholomew 1989-8-11 5058 Modoc Along W side of Goose Lake, 3.5 km S of the Oregon border on National Forest Road 48. A Beach at edge of lake. 1430 Comment
  RSA210865  Heliotropium curassavicum var. oculatum R. F. Thorne, J. Hendrickson, C. W. Tilforth 1969-9-4 39075 Modoc East shore of Goose Lake at Willow Ranch 1433 Comment
  CAS-BOT-BC49380  Hemizonella minima John Thomas Howell 1934-7-1 12312 Modoc Duncan Horse Camp, 6 mi. E of Perez. 1355 Comment
  UCD132029  Hemizonella minima Beecher Crampton 1960-6-17 5690 Modoc 5 miles south of Perez, Plant Quarantine Station. 1371 Comment
  CAS-BOT-BC21466  Heracleum lanatum Bruce Bartholomew 1989-8-11 5068 Modoc Along Lassen Creek near SE side of Harris Flat, Warner Mountains. 1920 Comment
  CAS-BOT-BC180044  Hesperochiron californicus Bruce Bartholomew; Barrett Anderson 1988-5-14 4209 Modoc SW corner of Big Sage Reservoir. 1500 Comment
  CAS-BOT-BC180045  Hesperochiron californicus L. A. M. Black 1894-4-1 109 Modoc Davis Creek. Comment
  CAS-BOT-BC180048  Hesperochiron californicus E. H. Steffen 1917-6-20 49 Modoc Jess Valley. 1524 Comment
  CAS-BOT-BC180039  Hesperochiron pumilus Bruce Bartholomew; Barrett Anderson 1988-5-12 4102 Modoc White Horse. 1340 Comment
  HSC26511  Hesperochiron pumilus J. P. Smith, J. O. Sawyer 1972-5-6 5255 Modoc FS road to Quail Spring at Hwy. 299, N of Adin 1463 Comment
  HSC6399  Hesperochiron pumilus M. T. Milligan 1964-5-9 35 Modoc 10 mi. N of Hwy. 139 on FS Rd. 44N15 1524 Comment
  UC76659  Heterocodon rariflorum Milo S. Baker 1894-9-1 Modoc Forestdale Comment
  UC54113  Heterotheca villosa var. minor H. M. Hall and E. B. Babcock 1903-6-21 4237 Modoc Lava Beds Sierra Nevada Mountains (sw Modoc County) 1219 Comment
  CAS-BOT-BC225789  Heuchera cylindrica Annie Montague Alexander; L. Kellogg 1946-7-23 5042 Modoc E slope Emerson Peak, Warner Mts. Comment
  CAS-BOT-BC49512  Hieracium albiflorum Bruce Bartholomew 1989-8-12 5117 Modoc South Fork of Pine Creek just N of trailhead to Pine Creek Basin, W side of Warner Mts. 2010 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
  CHSC70467  Hieracium albiflorum A. Sanger 1996-7-12 2417 Modoc Found along road 44N69, between 44N69C and 69B. 1975 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
  SD61018  Hieracium cynoglossoides Darley F. Howe 1964-7-31 Modoc 8.5 miles from entrance to Modoc National Forest on road from Likely. 1555 Comment
  UC32785  Hieracium nudicaule Milo S. Baker 1893-7-3 Modoc Comment
  CAS-BOT-BC316025  Hieracium scouleri Elmer I. Applegate 1935-6-8 9425 Modoc Bear Paw Cave, Lava Beds National Monument Comment
  CAS-BOT-BC49476  Hieracium scouleri Bruce Bartholomew 1989-7-15 5008 Modoc Manzanita Lookout, top of Manzanita Mountain. 2130 Comment
  CHSC115482  Hieracium scouleri L. P. Janeway 2014-7-8 11460 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
  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
  JEPS5991  Hieracium scouleri Frances D. Payne 1932-7-3 674 Modoc s and e Alturas; Warner Mountains, Parker Creek Canyon 1584 Comment
  UC201714  Hieracium scouleri W. P. Taylor and H. C. Bryant 1910-7-13 Modoc Head of North Fork Parker Creek Warner Mountains, Head of North Fork Parker Creek 2286 Comment
  UC71691  Hieracium scouleri Mrs. M. H. Manning 1903-6-1 163 a Modoc near Fort Bidwell (ne Modoc County) Comment
  CAS-BOT-BC49515  Hieracium scouleri Leland S. Smith 1924-6-22 1428 Modoc Lava beds West Lava Ranger Station. Comment
  UC71692  Hieracium scouleri Mrs. M. H. Manning 1636 Modoc ne Modoc County Comment
  RSA504838  Holodiscus dumosus Bruce Bartholomew 1988-7-22 4488 Modoc vicinity of E Creak Trailhead, Southern end of the Warner Mtns, Sierran Montane forest. 2210 Comment
  CAS-BOT-BC214686  Holodiscus microphyllus var. glabrescens A. D. Borden 1911-7-28 s.n. Modoc Top rim S side of Parker Creek. Comment
  CAS-BOT-BC214687  Holodiscus microphyllus var. glabrescens Elmer Ivan Applegate 1932-7-9 7612 Modoc Bidwell Mt., Warner Mts. Comment
  CAS-BOT-BC214704  Holodiscus microphyllus var. glabrescens Bruce Bartholomew 1989-7-15 5018 Modoc Manzanita Lookout, top of Manzanita Mountain. 2130 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
  POM299539  Holodiscus microphyllus var. glabrescens Marion Ownbey, Fred G. Meyer 1940-7-1 2155 Modoc Cedar Peak, Warner Mountains. Comment
  CAS-BOT-BC497301  Holosteum umbellatum B. Bartholomew 1994-7-2 678 1 Modoc 5.0 km SE of Joseph Creek Basin on the W side of the Warner Mountains 1930 Comment
  HSC80843  Hordeum brachyantherum G. M. Riegel 1979-8-13 660 Modoc South Warner Mtns. 2100 Comment
  SJSU9601  Hordeum brachyantherum W. Savage 1979-7-5 1371 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  CAS-BOT-BC247685  Hordeum brachyantherum subsp. brachyantherum Bruce Bartholomew 1990-8-5 5674 Modoc Summit Trail, ca. 4 km N of Patterson Ranger Station, W side of Warner Mts. 2470 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
  SBBG115845  Hordeum jubatum B. Crampton 1954-7-7 2160 Modoc 2.5 mi E of Alturas, near radio stn Comment
  CAS-BOT-BC179323  Hydrophyllum capitatum var. alpinum Bruce Bartholomew; Barrett Anderson 1988-5-12 4099 Modoc White Horse. 1340 Comment
  CAS-BOT-BC179333  Hydrophyllum capitatum var. alpinum Elmer Ivan Applegate 1932-7-9 7588 Modoc N slope of Bidwell Mountain. Comment
  HSC68926  Hydrophyllum capitatum var. alpinum Gary Schoolcraft 1980-4-29 208 Modoc Harper Hill N of Adin 1402 Comment
  JEPS1629  Hydrophyllum capitatum var. alpinum L. S. Smith 1919-6-1 1107 Modoc Deep Creek ranger station; Warner Mts. 1508 Comment
  UC107176  Hydrophyllum capitatum var. alpinum Mrs. R. M. Austin May 1894 Modoc Goose Lake Valley Comment
  RSA520465  Hydrophyllum capitatum var. alpinum K. Paulson, R. Paulson 1989-6-14 127 Modoc 1.5 miles NE of Cedar Pass, Warner Mts. 1905 Comment
  RSA727897  Hymenolobus procumbens Noel Holmgren, Patricia K. Holmgren 1998-5-30 12995 Modoc Surprise Valley, Modoc County Road 299, 6.9 km (4.3 mi) E of downtown Cedarville, at turnoff to some hotsprings. 1370 Comment
  CHSC109485  Hymenoxys hoopesii L. P. Janeway; B. Castro 2012-7-25 10978 Modoc Warner Mountains. Slope along north side of Dismal Swamp. 2216 Comment
  CAS-BOT-BC179900  Hypericum anagalloides Bruce Bartholomew; Barrett Anderson 1988-7-22 4509 Modoc SE side of Sunflower Knob, southern end of the Warner Mts.. 2160 Comment
  CAS-BOT-BC179902  Hypericum anagalloides Roxana Stinchfield Ferris; R. Duthie 1919-6-14 41 Modoc Bank of Parker Creek 1 mi. above Modoc Nat. Forest Boundary. Comment
  CAS-BOT-BC179906  Hypericum anagalloides Bruce Bartholomew 1989-8-11 5055 Modoc Along W side of Goose Lake, 12.4 km N of McGinty Point on National Forest Road 48. 1430 Comment
  HSC81092  Hypericum scouleri G. M. Riegel 1980-7-29 963 Modoc S Warner Mtns. 2100 Comment
  CAS-BOT-BC58401  Idahoa scapigera Bruce Bartholomew; M; M. Gilbert; L. E. Skog 1993-5-10 6437 Modoc 5 km NE of Davis Creek on road to Plum Valley Campground. 1700 Comment
  CAS-BOT-BC58445  Idahoa scapigera Bruce Bartholomew; Barrett Anderson 1988-5-14 4201 Modoc Pease Cabin, 0.8 km E of Fletcher Creek on USFS road 47N09 between Goose Lake and Crowder Flats. 1550 Comment
  UC879820  Ipomopsis aggregata Lewis S. Rose 1940-6-13 40555 Modoc Fandango Pass Comment
  CAS-BOT-BC190647  Ipomopsis aggregata subsp. aggregata P. Monnet 1913-7-1 895 Modoc Warner's Range. 2438 Comment
  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
  HSC80888  Ipomopsis aggregata subsp. attenuata G. M. Riegel 1980-7-30 978 Modoc S Warner Mtns. 1829 Comment
  CAS-BOT-BC190640  Ipomopsis congesta subsp. palmifrons Bruce Bartholomew 1991-8-5 6046 Modoc Summit Trail between Squaw Peak and Cottenwood Lake, crest of the Warner Mts. 2470 Comment
  UC4306  Iris missouriensis Milo S. Baker 1893-6-30 Modoc Egg Lake shore; Egg Lake Comment
  POM109053  Iris missouriensis Mrs. R. M. Austin 1895-06 498 Modoc Goose Lake Valley Comment
  CAS-BOT-BC30188  Isoetes bolanderi Annie Montague Alexander; L. Kellogg 1948-9-21 5624 Modoc 1 mi. SW top of grade between New Pine Creek and Fort Bidwell. 2286 Comment
  UC72783  Isopyrum stipitatum Milo S. Baker 1896-5-15 Modoc Taylor Mt. Comment
  JEPS117370  Iva axillaris Lowell Ahart, John Dittes 2010-8-30 17085 Modoc About 20 yards north of the Parking Area west of the old barn, on the west side of Elkins Lane, Ash Creek State Wildlife Area, 320 feet north of Lassen County Line, about 4.4 miles (air) west of Adin, about 7.2 miles (air) northeast of Bieber, Big Valley 1266 Comment
  SBBG8490  Iva axillaris H. and M. Dearing 1939-6-7 3576 Modoc E of Adin Comment
Read comments Apr 21 2015
  CDA13471  Iva axillaris subsp. robustior G. F. Hrusa, T. D. Wilfred 1996-7-21 13318 Modoc Modoc Plateau; adjacent to Pit River at Modoc Co. Rd. 90 bridge. E base of Splawn Mtn. N end of Big Valley. Comment
  CHSC106337  Iva axillaris subsp. robustior Lowell Ahart; John Dittes 2010-8-30 17085 Modoc About 20 yards north of the Parking Area west of the old barn, on the west side of Elkins Lane, Ash Creek State Wildlife Area, 320 feet north of Lassen County Line, about 4.4 miles (air) west of Adin, about 7.2 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  RSA520341  Iva axillaris subsp. robustior Bruce Bartholomew, B. Anderson 1989-6-2 4831 Modoc 6.4 km E of Eagleville on the road to the California state border, E side of Surprise Valley. 1550 Comment
  RSA312499  Iva axillaris subsp. robustior Verne Grant, Irving Schneider 1947-7-21 8110 Modoc N Fork of Pit River, 0.25 mile upstream from confluence with S Fork, by Alturas. Comment
  NY833802  Ivesia gordonii B. M. Bartholomew 1990-8-4 5643 Modoc Top of pass on Summit Trail, ca. 0.5 km southeast of Patterson Lake, east side of Warner Mountains 2800 Comment
  RSA210804  Juncus balticus subsp. ater Robert F. Thorne, James Henrickson, C. W. Tilforth 1969-9-3 39019 Modoc Fresh water (tule) marsh at SE end of Tule Lake Sump .5 mile N of turnoff to Lava Beds National Monument. (2.2 miles E of NE entrance to monument). 1265 Comment
  SJSU9659  Juncus bufonius W. Savage 1979-7-9 1496 Modoc Round Valley, Triangle, Devils Garden District, Modoc National Forest 1493 Comment
  RSA577909  Juncus bufonius var. bufonius L. C. Wheeler 1935-8-1 3738 Modoc Dismal Swamp, Twenty Mile Creek, Warner Mountains. 2226 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
  JEPS127188  Juncus ensifolius Lowell Ahart, John Dittes 2016-7-14 21206 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
  UC1101073  Juncus ensifolius Verne Grant and Irving Schneider 1947-8-24 8260 Modoc s end Jess Valley; Warner Mountains, Harvey Creek Comment
  CAS-BOT-BC245059  Juncus hemiendytus var. abjectus Bruce Bartholomew 1993-6-14 6676 Modoc Open moist flat SW of Stovepipe Flat Tank just N of road between Deer Hill and Duncan Reservoir. 1530 Comment
  CAS-BOT-BC245048  Juncus hemiendytus var. hemiendytus Bruce Bartholomew 1995-6-24 7036 Modoc 6 km E of Burlington Northern Railroad track on Forest Service Road 42N03. 1340 Comment
  CAS-BOT-BC245045  Juncus longistylis John H. Hatton 1911-6-20 131 Modoc unspecified 1524 Comment
  HSC81157  Juncus parryi G. M. Riegel 1978-8-24 134 Modoc S Warner Mtns. 1829 Comment
  UCR67433A  Juncus saximontanus George K. Helmkamp 1990-9-23 J- 12 Modoc Warner Mtns, Goose Lake, within 0.1 mi of the Oregon border 1476 Comment
  CAS-BOT-BC10597  Juncus tiehmii Alice Eastwood; John Thomas Howell 1940-6-13 8111 Modoc Surprise. Comment
  RSA577903  Juncus trilocularis L. C. Wheeler 1935-9-23 4001 Modoc Devils Garden: Pease Flat. 1524 Comment
  UC1036072  Juniperus communis Annie M. Alexander and Louise Kellogg 1946-7-29 5091 Modoc Head of Eagle Creek Warner Mountains, Eagle Creek (foot of rockslide under lodgepole pine) Comment
  CAS-BOT-BC81196  Juniperus occidentalis Florence Angwin 1946-5-3 s.n. Modoc Big Valley 1280 Comment
  CAS-BOT-BC81208  Juniperus occidentalis Elmer I. Applegate 1932-7-6 8206 Modoc Cedarville, Surprise Valley, at east base Warner Mountains Comment
  CHSC115481  Juniperus occidentalis L. P. Janeway 2014-7-8 11469 Modoc Modoc Plateau. East corner of Dry Creek Rim; along Road 47N08 (Corral Creek Road) 3.1 road-km north-northwest of Road 48 (along the west edge of Goose Lake). 1650 Comment
  JEPS48240  Juniperus occidentalis F. H. Frost 1925-7-11 26 Modoc Cedar Canyon campsite 2 mi above Cedarville Comment
  SD139417  Juniperus occidentalis F. C. Vasek 1962-9-2 day 5 Modoc Cedarville Road, 5.8 miles east of U. S. 395, east of Alturas. 1615 Comment
  UCR162658  Juniperus occidentalis subsp. occidentalis David A. Charlet 1992-6-2 979 Modoc S. Warner Mountains, E of Patterson Guard Station 1829 Comment
  RSA59343  Juniperus occidentalis var. occidentalis E. K. Balls 1950-5-12 14634 Modoc Above Bucks Creek Ranger Station, Modoc National Forest, E of Goose Lake. 1738 Comment
  RSA597868  Juniperus occidentalis var. occidentalis F. C. Vasek 1962-9-2 620902 -1 Modoc Cedarville Road 5.8 miles east of U.S. 395, east of Alturas 1616 Comment
  UCR1827  Juniperus occidentalis var. occidentalis Frank C. Vasek 1962-9-2 620902 14 Modoc 4.2 mi east of Likely 2287 Comment
  RSA93401  Juniperus occidentalis var. occidentalis Milo S. Baker 1936-6-14 8315 Modoc Malin to Quarantine Station Comment
  CAS-BOT-BC95671  Kalmia polifolia Annie Montague Alexander; L. Kellogg 1946-6-27 4852 Modoc Highgrade, 2 mi from Dismal Swamp. 2377 Comment
  RSA504628  Kalmia polifolia subsp. microphylla Bruce Bartholomew, B. Anderson, Bartholomew 1988-6-24 4345 Modoc Vicinity of Blue Bell Mine between Lily Lake and Fort Bidwell on County Road 2, Warner Mountains. 2190 Comment
  CAS-BOT-BC225088  Kelloggia galioides Alice Eastwood; John Thomas Howell 1940-6-13 8153 Modoc Fandango Pass. Comment
  CAS-BOT-BC248332  Kelloggia galioides B. Bartholomew; H. Sun 2002-6-24 8817 Modoc Ridge top just S of Manzanita Mt. and 15.3 straight line km NW of Aden 2070 Comment
  UC76672  Kelloggia galioides Milo S. Baker Modoc Forestdale Comment
  CAS-BOT-BC95539  Kochia americana Bruce Bartholomew 1991-6-22 5841 Modoc Surprise Valley, 5.6 km E of Eagleville. 1370 Comment
  RSA520342  Kochia americana Bruce Bartholomew, B. Anderson 1989-6-2 4832 Modoc 6.4 km E of Eagleville on the road to the California state border, E side of Surprise Valley. 1550 Comment
  CDA3144  Kochia scoparia T. C. Fuller 1962-8-3 9488 Modoc Tulelake Basin; 1.6 miles north of Stronghold. 0 Comment
  CAS-BOT-BC247641  Koeleria macrantha Bruce Bartholomew; Barrett Anderson 1990-7-21 5576 Modoc Homestead Flat, ca. 2.5 km E of Patterson Ranger Station, E side of Warner Mts. 2160 Comment
  HSC10242  Koeleria macrantha R. C. Wunner 1965-6-26 280 Modoc Lava Beds National Monument, Blue Eyes Point. 1341 Comment
  UC1024945  Koeleria macrantha Leo Whitney 1935-7-2 3325 Modoc ca 17 mi nw Canby; Badger Wells Comment
  CHSC112816  Lactuca serriola Lowell Ahart; John Dittes 2013-7-25 18947 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
  UC33034  Lactuca tatarica subsp. pulchella Milo S. Baker 1893-6-1 Modoc Comment
  HSC41117  Lagophylla ramosissima Thomas W. Nelson, Jane P. Nelson, James Nelson 1976-8-29 3251 Modoc Modoc National Forest: along Hwy. 299 just NW of Adin Pass 1524 Comment
  JEPS6021  Lagophylla ramosissima Frances D. Payne 1935-7-23 802 Modoc s and e of Alturas Parker Creek; Warner Mountains 1584 Comment
  RSA152634  Lagophylla ramosissima I. L. Wiggins, Dorothy Wiggins 1961-6-12 16375 Modoc At junction of Cedar Pass road with California Highway 299, 5.5 miles N of Alturas. Comment
  RSA795599  Lagophylla ramosissima subsp. ramosissima L. Ahart, John Dittes 2010-8-30 17065 Modoc About 15 yards west of the fence, south edge of the meadow, Ash Creek State Wildlife Area, 2300 feet north of Lassen County Line, about 3.6 air miles west of Adin, about 8.0 air miles northeast of Bieber, Big Valley. 1268 Comment
  CAS-BOT-BC179873  Lamium amplexicaule Leland S. Smith 1919-5-1 1082 Modoc Jess Valley, Clarke Ranch. 1600 Comment
  CHSC107339  Lamium amplexicaule Lowell Ahart; John Dittes 2011-6-21 17523 Modoc About 100 yards west of the fence, south edge of the meadow, Ash Creek State Wildlife Area, about 2,300 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  JEPS63245  Lamium amplexicaule L. S. Smith 1919-5-7 1093 Modoc Jess Valley; Warner Mts. Comment
  POM72854  Lappula occidentalis var. occidentalis Mrs. R. M. Austin, Bruce 1898-07 2269 Modoc Goose Lake Valley. Comment
  UC157911  Lathyrus brownii Milo S. Baker 1893-1 Modoc Forestdale Comment
  RSA531339  Lathyrus brownii Bruce Bartholomew, M. Bourell 1990-4-27 5168 Modoc NW side of Rice Flat, 2km S of Adin Pass. 1540 Comment
  RSA101493  Lathyrus lanszwertii C. A. Weatherby 1955-7-8 1610 Modoc 7 miles north of Ft. Bidwell, Warner mts. 1875 Comment
  RSA488570  Lathyrus rigidus Bruce Bartholomew 1988-5-14 4185 Modoc 4.5 km S of Davis Creek on Hwy 395, SE side of Goose Lake 1470 Comment
  CAS-BOT-BC49459  Layia glandulosa Bruce Bartholomew 1993-6-13 6615 Modoc Near the Nevada border, E of Eagleville, Surprise Valley. 1510 Comment
  UC30617  Layia glandulosa Mrs. C. C. Bruce 1898-6-1 2172 Modoc near Alturas Comment
  RSA233786  Lemna minor Robert F. Thorne 1969-9-5 39148 Modoc North of South Fork of Pit River above jct. with West Creek at Public Campground, ca. 6 mi. E of Likely. 1402 Comment
  CAS-BOT-BC245029  Lemna trisulca Verne Grant; I. Schneider 1947-7-19 8065 Modoc Corporation ranch, south of south loop road, S of Alturas. Comment
  CHSC117261  Lepidium campestre Lowell Ahart; John Dittes 2016-7-14 21162 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-BC58662  Lepidium chalepense Bruce Bartholomew 1994-5-16 6699 Modoc Little Hot Spring Valley. 1070 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
  CHSC100224  Lepidium dictyotum var. acutidens John Dittes; Josephine Guardino 1991-6-1 369 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 southeast base of Pilot Butte. 1258 Comment
  CHSC112364  Lepidium perfoliatum L. P. Janeway; B. Castro 2014-6-2 11290 Modoc Great Basin. Along County Road 5 1.0 km west of the southwest corner of Cow Head Lake. 1627 Comment
  CDA3824  Lepidium perfoliatum Margaret Bellue 1933-6-23 Modoc 0 Comment
  CAS-BOT-BC58303  Lepidium virginicum K. Paulson; Robert Paulson 1989-7-18 198 Modoc Vicinity of Granger Creek, E side of Warner Mts. 1790 Comment
  UC73636  Leptodactylon pungens Milo S. Baker 1893-1 Modoc Egg Lake Comment
  HSC80889  Leptosiphon ciliatus G. M. Riegel 1979-7-12 508 Modoc S Warner Mtns. 2100 Comment
  RSA325722  Leptosiphon harknessii A. Tiehm 1984-6-30 8842 Modoc NW side of Bidwell Mt., 2.8 road miles north of 8 mile creek on the road from Lake Annie. 1829 Comment
  RSA601530  Leptosiphon harknessii L. C. Wheeler 1935-8-16 3868 Modoc Dismal Swamp, Twenty Mile Creek. Warner Mountains. Mt. Diablo Mer. 2226 Comment
  RSA600328  Leptosiphon nuttallii L. C. Wheeler 1935-8-5 3789 Modoc Warner Mountains: Mt. Diablo Mer.; Little Lily Lake, Pine Creek. 2287 Comment
  JEPS6665  Lesquerella occidentalis subsp. occidentalis Mrs. C. C. Bruce June 1898 2136 Modoc Lake City Mt. 1828 Comment
  CAS-BOT-BC242078  Leucocrinum montanum Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-10 6467 Modoc Below Emerson Campground, E side of Warner Mountains. 1710 Comment
  UCR87516  Leucocrinum montanum George K. Helmkamp, E. A. Helmkamp 1993-5-4 s.n. Modoc 16.1 miles NW of Canby along Calif. Hwy 139 1280 Comment
  RSA26470  Leucophysalis nana Alice Eastwood, John T. Howell 1940-6-13 8191 Modoc West side of Cedar Pass. Comment
  HSC80774  Lewisia nevadensis G. M. Riegel 1978-7-12 63 Modoc S Warner Mtns. 2100 Comment
  RSA464466  Lewisia nevadensis George Willet 1935-6-21 s.n. Modoc Modoc County: Warren Mtns. 2439 Comment
  CAS-BOT-BC197493  Lewisia rediviva K. Paulson; Robert Paulson 1988-5-22 4 Modoc Engle Swamp Road, Devil's Garden. 1402 Comment
  UC1586893  Lewisia triphylla Juha Pykala and D. H. Norris 1987-5-28 1277 Modoc ca 3-4 mi w Lake City (Lake City Canyon); Warner Mountains, Modoc National Forest, Lake City Canyon 1828 Comment
  CAS-BOT-BC247636  Leymus cinereus Bruce Bartholomew 1990-6-17 5287 Modoc Surprise Valley, SW side of Lower Alkali Lake, 3.2 km N of Lassen County border. 1370 Comment
  JEPS114872  Leymus cinereus Lowell Ahart, John Dittes 2008-8-25 15311 Modoc On the east bank (flood plain) of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout 1273 Comment
  CAS-BOT-BC247637  Leymus cinereus John H. Hatton 1911-6-22 150 Modoc Huffman Ranch. 1615 Comment
  CDA32457  Leymus cinereus G. D. Barbe, T. C. Fuller 1979-8-21 2546 Modoc East side of County Highway 1, 5.6 km south of Fort Bidwell, 3.2 lm north of Fandango Pass Road. 0 Comment
  CAS-BOT-BC247630  Leymus triticoides John Thomas Howell 1934-7-1 12339 Modoc Duncan Horse Camp. 1355 Comment
  CAS-BOT-BC247632  Leymus triticoides Leland S. Smith 1917-7-23 144 Modoc Joseph Creek. 1706 Comment
  JEPS117690  Leymus triticoides Lowell Ahart, John Dittes 2010-8-31 17120 Modoc West side of Elkins Lane, about 20 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
  UC1024976  Leymus triticoides Leo Whitney 1935-7-6 3422 Modoc Crank Springs Comment
  UC1037175  Leymus triticoides Leo Whitney 1935-8-18 3537 Modoc Alturas Comment
  UC1037257  Leymus triticoides Leo Whitney 1935-7-24 107 Modoc Hot Springs Valley Comment
  UC536901  Leymus triticoides Frances Payne 782 Modoc Warner Mts. Comment
  UCD64651  Leymus triticoides Beecher Crampton; Carl Rimbey 1954-7-8 2179 Modoc Warner Mountains, Jess Valley, 15 miles E of Likely. Comment
  JEPS16566  Ligusticum grayi L. S. Smith 1918-8-11 1024 Modoc Warner Mts., Camp One-T38-16 2468 Comment
  CAS-BOT-BC242069  Lilium washingtonianum Leland S. Smith 1924-6-6 1375 Modoc Egg Lake region. Comment
  RSA210888  Limosella acaulis Robert F. Thorne, James Henrickson, C. W. Tilforth 1969-9-4 39119 Modoc N Fork of Pit River 3.4 mi N of Alturas where crossed by Highway 395. 1341 Comment
  UC1101423  Limosella acaulis Herbert L. Mason 1947-8-13 13529 Modoc ne side F Reservoir (n of Canby); ne side of F reservoir Comment
  CAS-BOT-BC238354  Limosella aquatica Alice Eastwood; John Thomas Howell 1940-6-12 8099 Modoc Midway between Likely and Alturas Comment
  CAS-BOT-BC498675  Linanthus Clare B. Hardham 1961-6-18 s.n. Modoc Warner Muntains. Cedar Pass Comment
  CAS-BOT-BC198035  Linanthus harknessii Louis Cutter Wheeler 1935-8-16 3868 Modoc Dismal Swamp. 2225 Comment
  CAS-BOT-BC198038  Linanthus harknessii Bruce Bartholomew 1991-7-7 6003 Modoc SE end of Sweargart Flat. 1820 Comment
  SEINET3163737  Linanthus harknessii L. S. Rose 1940-6-14 40573 Modoc 8 mi. nw. of Canby 1524 Comment
  JEPS103192  Linanthus nuttallii subsp. nuttallii G. Schoolcraft 2000-7-17 2916 Modoc N Warner Mountains East of Poison Lake 2225 Comment
  SJSU9649  Linanthus pungens W. Savage 1979-7-8 1483 Modoc N end Fairchild Swamp Unit, Triangle Devils Garden District, Modoc National Forest 1493 Comment
  CAS-BOT-BC198025  Linanthus septentrionalis Bruce Bartholomew 1989-7-15 4997 Modoc Sweagert Flat. 1860 Comment
  CAS-BOT-BC229898  Linaria dalmatica subsp. dalmatica Thomas C. Fuller 1963-8-27 11168 Modoc Sugar Hill Planting, Lassen Creek, ca. 6 mi. SE of Willow Ranch. Comment
  RSA435717  Linum lewisii George Willet 1935-6-26 s.n. Modoc Jess Valley, Warner Mountains 1829 Comment
  UC571114  Linum lewisii F. H. Frost 1925-7-27 174 Modoc Warner Mountains, Clear Lake Clear Lake; Warner Mountains, Clear Lake Comment
  CHSC109495  Linum lewisii var. lewisii L. P. Janeway; B. Castro 2012-7-26 11010 Modoc Warner Mountains. Top of Yellow Mountain; topmost part and wster edge (at the edge of a steep dropoff to the northwest). 2463 Comment
  CHSC112754  Linum lewisii var. lewisii Lowell Ahart; John Dittes 2013-7-25 18948 Modoc Meadow, 10 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
  UC585058  Lithophragma glabrum E. B. Babcock and G. L. Stebbins Jr. 1936-6-9 1839 Modoc Summit of Cedar Pass; Warner Mts., summit of Cedar Pass 1920 Comment
  JEPS27156  Lithophragma glabrum Lauramay T. Dempster 1961-6-19 1705 Modoc e Davis Creek (town) (headwaters of the South Fork of Davis Creek); headwaters of South Fork of Davis Creek 2286 Comment
  CAS-BOT-BC225830  Lithophragma parviflorum Bruce Bartholomew; Barrett Anderson 1989-6-1 4745 Modoc ca. 0.5 km S of State Hwy 299 on road to Shaker Spring. 1420 Comment
  CAS-BOT-BC225832  Lithophragma parviflorum Bruce Bartholomew; Barrett Anderson 1989-4-27 4618 Modoc 2.1 km SSE of Day on road to State Highway 299. 1020 Comment
  JEPS3945  Lithophragma parviflorum N. T. Mirov 1929-6-22 Modoc near Fandango Valley; Warner Mountains, near Fandango Valley 1828 Comment
  CAS-BOT-BC225837  Lithophragma tenellum Roxana Stinchfield Ferris; R. Duthie 1919-6-14 108 Modoc Slope above Parker Creek, Warner Mts. Comment
  CAS-BOT-BC225841  Lithophragma tenellum Bruce Bartholomew; Mona Bourell 1990-4-27 5167 Modoc NW side of Rice Flat, ca. 2 km S of Adin Pass. 1540 Comment
  HSC75893  Lithophragma tenellum D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-22 19316 Modoc Soup Springs Campground Comment
  CAS-BOT-BC225836  Lithophragma tenellum Elmer Ivan Applegate 1934-6-8 9444 Modoc Sconchin Butte, Lava Beds National Monument. Comment
  UC24881  Lithospermum californicum Milo S. Baker 1893-6-20 Modoc Comment
  CAS-BOT-BC54037  Lithospermum ruderale Bruce Bartholomew; Barrett Anderson 1988-5-13 4143 Modoc Along Parker Creek Road, 2.7 km W of Modoc National Forest and ca. 16 km WSW of Alturas, W side of the Warner 1490 Comment
  CAS-BOT-BC54074  Lithospermum ruderale John Thomas Howell 1934-6-11 11962 Modoc Parker Creek, Warner Mountains 1584 Comment
  POM260351  Lithospermum ruderale C. L. Hitchcock 1940-5-27 6654 Modoc 9 miles northeast of Alturas. 1402 Comment
  HSC80939  Lithospermum ruderale G. M. Riegel 1980-7-27 935 Modoc S Warner Mtns. 1739 Comment
  POM126231  Lithospermum ruderale M. French Gilman 649 Modoc Dry slopes. Comment
  RSA59535  Lithospermum ruderale E. K. Balls 1950-5-20 14804 Modoc 1.2 miles below Mill Creek Falls Public Camp, towards Jess Valley Comment
  RSA610637  Lithospermum ruderale L. C. Wheeler 1935-8-6 3793 Modoc 1/4 mi. E Pine Creek (town) edge of Warner Mts. 1555 Comment
  CAS-BOT-BC21439  Lomatium bicolor var. leptocarpum K. Paulson; Robert Paulson 1988-6-11 24 Modoc Parker Creek Road. 1524 Comment
  CAS-BOT-BC21443  Lomatium bicolor var. leptocarpum Louis Cutter Wheeler 1935-9-12 3982 Modoc Poindexter Reservoir, Devil's Garden. 1524 Comment
  UC1561074  Lomatium bicolor var. leptocarpum Dean Wm. Taylor with Glenn L. Clifton and Rexford E. Palmer 1987-6-7 9015 Modoc s.e. margin Egg Lake (along outlet stream draining into Kramer Reservoir); Upper Modoc plateau, Egg Lake 1408 Comment
  CAS-BOT-BC21453  Lomatium bicolor var. leptocarpum R. M. Austin; C. C. (Mrs.) Bruce 1898-6-1 2283 Modoc Fields, Goose Lake. Comment
  UC1618521  Lomatium canbyi Glenn Clifton 1994-4-8 32593 Modoc 1.3 mi. e.-s.e. Wade Williams Spring (s.w. of a 4 WD rd.) 1463 Comment
  CAS-BOT-BC30171  Lomatium dissectum var. multifidum Isabelo T. Kelly 1930-1-1 47 Modoc Eagleville. Comment
  RSA657119  Lomatium grayi G. L. Clifton 1995-5-17 34182 Modoc Surprise Valley Road, 2.9 miles north of Lake City. 1390 Comment
  UC1618522  Lomatium hendersonii Glenn Clifton 1994-4-8 32592 Modoc 1.8 mi. e.-s.e. Wade Williams Spring (s.w. of a 4 WD rd.) 1519 Comment
  OBI81576  Lomatium leptocarpum Annie M Alexander, Louise Kellogg 1946-6-14 4770 Modoc In drying meadow below lava slope; branch to Silver Creek. 1829 Comment
  JEPS108705  Lomatium macrocarpum H. Chappel, J. Goldhammer, K. Moran 2002-6-25 ALT- 10 Modoc Portuguese Flats, BLM grazing land 1313 Comment
  CAS-BOT-BC30144  Lomatium macrocarpum Harry Dwight Dillon Ripley; Rupert Charles Barneby 1944-5-31 5998 Modoc W of Alturas. 1325 Comment
  OBI8851  Lomatium nevadense Lincoln Constance, Emil DiFulvio 1962-4-16 3749 Modoc 3.2 mi N of Likely 1311 Comment
  SEINET203038  Lomatium nevadense var. nevadense Lincoln Constance, Emil DiFulvio 1962-4-16 3749 Modoc Open slope 3.2 miles N of Likely Comment
  SEINET5333556  Lomatium nevadense var. nevadense D. Neal 1960-5-16 R- 50 Modoc 5 mi. NE of Likely Comment
  UC748244  Lomatium nudicaule Annie M. Alexander and Louise Kellogg 1946-6-14 4771 Modoc Silver Creek branch of Patterson Mill rd. 1828 Comment
  RSA504593  Lomatium nudicaule Bruce Bartholomew, B. Anderson 1988-6-23 4292 Modoc South side of Egg Lake, ca. 1.5 km west of the Burlington Northern railroad track 1300 Comment
  RSA518863  Lomatium triternatum Barbara Ertter 1988-6-18 7645 Modoc Adin Summit on Highway 299 N of Adin 1585 Comment
  RSA504623  Lomatium triternatum Bruce Bartholomew, B. Anderson 1988-6-25 4376 Modoc SW side of Jess Valley, Warner Mountains. 1540 Comment
  CAS-BOT-BC21411  Lomatium triternatum var. triternatum Mrs. H. C. Cantelow 1940-5-31 4508 Modoc 3 mi. E of Canby. Comment
  CAS-BOT-BC21426  Lomatium triternatum var. triternatum Alice Eastwood; John Thomas Howell 1940-6-12 8087 Modoc Jess Valley. Comment
  CAS-BOT-BC21399  Lomatium vaginatum Alice Eastwood; John Thomas Howell 1940-6-11 8023 Modoc 8 mi. from Canby on road to Alturas. Comment
  CDA38459  Lomatium vaginatum Virginia Kelly 1983-6-21 s.n. Modoc Alturas. 0 Comment
  HSC21543  Lomatium vaginatum M. T. Milligan 1964-5-17 31 Modoc 4 mi. N of Hwy. 299 on Big Sage Road 1524 Comment
  SEINET202028  Lomatium vaginatum Unknown Modoc East side of Goose Lake 9 miles north of Davis Creek. 1372 Comment
  CAS-BOT-BC95170  Lonicera interrupta Fred. P. Cronemiller 1920-7-1 20 Modoc Bieber Range. 1524 Comment
  RSA504631  Lonicera involucrata Bruce Bartholomew, B. Anderson 1988-6-24 4329 Modoc Lily Lake, W side of the Warner Mountains. Sierran montane forest. Comment
  HSC3933  Lonicera involucrata var. involucrata Ms. M. H. Manning 1903-8-21 305 Modoc Warner Range. Comment
  UC102335  Lonicera involucrata var. involucrata Mrs. R. M. Austin July 1894 152 Modoc Lassen Creek Comment
  UC71586  Lonicera involucrata var. involucrata Mrs. M. H. Manning 1893-2 305 Modoc Warner Range, ne Modoc County Warner Range Comment
  UC1523716  Lotus crassifolius var. crassifolius Lisa Ganio 1983-7-13 8 Modoc 0.25 mi e U.S.F.S. boundary Comment
  CAS-BOT-BC181959  Lotus denticulatus Bruce Bartholomew; Barrett Anderson 1989-6-3 4913 Modoc 5 km W of County Route 91 along the N side of the Pit River. 1340 Comment
  SEINET5512249  Lotus humistratus J. C. Beatley 1964-1 Modoc Tule Lake area. Drainage area: Tule Lake area 1829 Comment
  UC526196  Lotus humistratus John Thomas Howell 1934-6-15 12204 Modoc 2 mi e Alturas; Dorris Reservoir Comment
  CAS-BOT-BC181939  Lotus purshianus var. purshianus Bruce Bartholomew 1991-7-4 5897 Modoc S end of Higgins Flat. 1370 Comment
  CAS-BOT-BC181944  Lotus purshianus var. purshianus Louis Cutter Wheeler 1935-9-4 3947 Modoc McGinty Point, Goose Lake. 1463 Comment
  CAS-BOT-BC181945  Lotus purshianus var. purshianus Bruce Bartholomew 1989-8-10 5039 Modoc Little Hot Spring Valley, 3.2 km NW of Day. 1070 Comment
  RSA504839  Lotus unifoliolatus Bruce Bartholomew, B. Anderson 1988-7-22 4485 Modoc Vicinity of East Creak Trailhead, southern end of the Warner Mountains; Sierran Montane forest. 2210 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-BC181929  Lupinus C. P. Smith 1947-6-13 47458 Modoc Highway 395, Davis Creek, 4 miles north Comment
  CAS-BOT-BC198272  Lupinus John Thomas Howell 1934-6-14 12120 Modoc Near Lost Lake, Warner Mts. 2438 Comment
  CAS-BOT-BC181899  Lupinus arbustus Bruce Bartholomew 1992-8-9 6385 Modoc Creek below Patterson Lake on Squaw Peak Trail to Owl Creek Trail, E side of Warner Mountains. 2650 Comment
  CAS-BOT-BC181903  Lupinus arbustus Annie Montague Alexander; L. Kellogg 1946-7-22 5038 Modoc Bear Camp Flat, Warner Mts. 2286 Comment
  CAS-BOT-BC181912  Lupinus arbustus Betty J. Hammerly 1941-6-20 34 Modoc Clear Lake. 1767 Comment
  SJSU10705  Lupinus arbustus H. L. Buckalew 1961-6-20 Modoc Stough (""Stowe"") Reservoir, 1 mi N of Cedar Pass on Cedar-Alturas Rd., Warner Mts. 1920 Comment
  JEPS64954  Lupinus arbustus Frances D. Payne 1931-6-29 297 A Modoc Owl Creek Warner Mountains (SE slopes of Warner Mountains) 2133 Comment
  NY732851  Lupinus arbustus subsp. calcaratus H. C. Cantelow 1940-5-31 s.n. Modoc [perhaps 8 or 8.?] miles east of Indian Springs Comment
  CAS-BOT-BC182177  Lupinus argenteus Francis Elliot Drouet; Donald Richards 1941-9-12 4202 Modoc Sloughs along the N fork of the Pit River, NE of Alturas. 1341 Comment
  CAS-BOT-BC182199  Lupinus argenteus Doris K. Kildale 1926-9-11 2772 A Modoc Near Alturas. 1377 Comment
  UC1129426  Lupinus argenteus Mrs. H. P. Bracelin 1931-6-30 500 Modoc s end Alturas; Canby Quad Comment
  RSA0026213  Lupinus argenteus John F. Emmel 1997-6-9 1501 Modoc North end Surprise Valley, 3 air miles NE of Ft. Bidwell; along County Road 1, 3.6 road miles NE of jct. with County Road 6. 1409 Comment
  RSA0026214  Lupinus argenteus John F. Emmel 1997-6-9 1502 Modoc North end Surprise Valley, 3 air miles NE of Ft. Bidwell; along County Road 1, 3.6 road miles NE of jct. with County Road 6. 1409 Comment
  RSA78893  Lupinus argenteus var. argenteus E. K. Balls, Percy C. Everett 1952-10-11 18159 Modoc 5.2 miles northwest of junction of Highway 299 and 139, west of Alturas. 1524 Comment
  CHSC107346  Lupinus argenteus var. heteranthus Lowell Ahart; John Dittes 2011-6-22 17555 Modoc About 50 yards east of the road, about 100 yards northeast of the Pilot Butte Parking Lot, north edge of Ash Creek Floodplain, 1.1 miles (air) south of County road 87, 7.7 miles (air) west of Adin, 10 miles (air) east of Lookout, Big Valley. 1264 Comment
  CHSC112820  Lupinus argenteus var. heteranthus Lowell Ahart; John Dittes 2013-7-25 18953 Modoc 10 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
  JEPS119658  Lupinus argenteus var. heteranthus Lowell Ahart, John Dittes 2012-7-10 18330 Modoc Ash Creek State Wildlife Area, about 3.9 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. Comment
  RSA0037173  Lupinus argenteus var. heteranthus Lowell A. Ahart, John Dittes 2012-7-11 18338 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
  UC126948  Lupinus argenteus var. heteranthus Milo S. Baker 1893-6-18 Modoc Forestdale Comment
  UC748289  Lupinus argenteus var. heteranthus Annie M. Alexander and Louise Kellogg 1946-6-30 4869 Modoc Highgrade n end of Warner Mountains, Highgrade (w side of ridge) 2377 Comment
  JEPS15481  Lupinus argenteus var. heteranthus Joseph and Hilda Grinnell 1938-6-14 1105 a Modoc along hiway #395 between Alturas and Oregon line (Fairport); Fairport 1524 Comment
  NY746670  Lupinus brevicaulis M. J. Williams 1988-6-2 88- 28 --3 Modoc Jess Valley, east of Likely, south of roadside rest Comment
  HSC71461  Lupinus caudatus J. P. Smith, J. O. Sawyer 1973-8-8 7237 Modoc S slopes of Eagle Peak 2561 Comment
  HSC14857  Lupinus latifolius subsp. viridifolius M. T. Milligan 1965-6-26 316 Modoc N end Jess Valley. 1616 Comment
  SEINET195694  Lupinus laxiflorus Annie M. Alexander, Louise Kellogg 1946-7-23 5052 Modoc Emerson Peak, Warner Mountains Comment
  SEINET195682  Lupinus laxiflorus var. calcaratus Annie M. Alexander, Louise Kellogg 1946-7-17 5004 Modoc Near Benton Meadow, Warner Mountains. 2073 Comment
  UCD108243  Lupinus lepidus var. confertus Craig Ely 1975-7-10 s.n. Modoc 30 miles s.e. of Tulelake. Comment
  CAS-BOT-BC181876  Lupinus lepidus var. lobbii Elmer Ivan Applegate 1932-8-1 8050 Modoc Near summit of Warren Peak, Warner Mts. 2895 Comment
  JEPS48839  Lupinus lepidus var. sellulus Leland S. Smith 1924-6-9 1371 Modoc Egg Lake Ranch Modoc Forest; , Egg Lake Ranch 1310 Comment
  CAS-BOT-BC181861  Lupinus lepidus var. sellulus Mrs. H. C. Cantelow 1940-6-2 Modoc NW of Canby on road to Lava Bed National Monument. Comment
  UC15911  Lupinus leucophyllus Milo S. Baker 1893-6-20 Modoc Comment
  SEINET8056945  Lupinus microcarpus M. J. Williams, T. Holcomb, B. Holcomb, L. Saxton 1988-5-28 88- 24 -1 Modoc Grade up to Crowder Flat from Hwy 229, W of Alturas 1478 Comment
  CAS-BOT-BC181833  Lupinus microcarpus var. microcarpus Alice Eastwood; John Thomas Howell 1940-6-11 8021 Modoc 8 mi. from Canby on road to Alturas. Comment
  UC619258  Lupinus microcarpus var. microcarpus J. and H. W. Grinnell 1938-6-16 1114 Modoc six mi s Fort Bidwell; s of Fort Bidwell 1463 Comment
  NY747605  Lupinus polyphyllus var. saxosus B. M. Bartholomew 1988-5-14 4194 Modoc 1.3 km south of turn off to Crowder Flats West Side Road, west side of Goose Lake. 1410 Comment
  CAS-BOT-BC181823  Lupinus saxosus C. L. Hitchcock 1940-5-27 6658 Modoc 9 mi. NE of Alturas. 1402 Comment
  JEPS65435  Lupinus saxosus Leland S. Smith 1917-6-10 801 Modoc Jess Valley; Warner Mountains, Jess Valley 1524 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
  POM10921  Lupinus sellulus subsp. sellulus M. S. Baker 128 Modoc [No location information provided.] 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
  SJSU9662  Lycium barbarum W. Savage 1979-7-9 1505 Modoc by ranch house, Round Valley, Triangle, Devils Garden District, Modoc National Forest 1493 Comment
  JEPS91368  Lycopus asper Dean Wm. Taylor with Glenn L. Clifton 1989-8-6 10491 Modoc Warner Mountains, Suprise Valley, warm spring on west shore Lower Lake 1363 Comment
  SD64370  Lycopus lucidus D. F. Howe 1966-8-26 4304 Modoc 1.3 Mi N of Modoc-Lassen Copunty Line, east of Warner Mts. 1341 Comment
  CHSC112827  Lythrum tribracteatum Lowell Ahart; John Dittes 2013-7-24 18914 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
  NY850321  Lythrum tribracteatum H. L. Mason 1947-7-10 13324 Modoc Dorris Reservoir, 2 miles east of Alturas Comment
  RSA608616  Machaeranthera canescens var. shastensis L. C. Wheeler 1935-8-27 3924 Modoc South Mountain, Devil's Garden 1524 Comment
  CAS-BOT-BC49428  Madia citriodora Bruce Bartholomew 1993-6-14 6649 Modoc 2 km E of County Road 114 on County Road 108, NW of Clear Lake Reservoir. 1320 Comment
  UC579782  Madia citriodora David D. Keck and J. Clausen 1935-6-24 3714 Modoc 3 mi ne Willow Ranch (e of Goose Lake); e of Goose Lake 1554 Comment
  CAS-BOT-BC49433  Madia elegans K. Paulson; Robert Paulson 1988-6-19 37 Modoc W of Cranby Bridge. 1310 Comment
  CAS-BOT-BC49449  Madia glomerata Louis Cutter Wheeler 1935-8-27 3923 Modoc 1 mi. E of South Mountain, Devil's Garden. 1524 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
  UC1191986  Madia glomerata Herbert L. Mason 1947-8-9 13483 Modoc n Alturas (e side of swamp); Fairchild Swamp Comment
  CAS-BOT-BC334657  Madia glomerata H. M. Hall 1921-9-9 11668 Modoc Along Klamath Falls-Alturas Road, Northern Modoc County Comment
  CAS-BOT-BC49417  Madia gracilis Barrett Anderson 1986-7-9 3177 Modoc Warner Mtns., Stough Reservoir Rd juse E of Cedar Pass near Stough Reservoir. 1965 Comment
  HSC5983  Madia gracilis M. T. Milligan 1966-7-7 566 Modoc Slopes and ridges E of Jess Valley 1829 Comment
  UCR66732  Madia gracilis J. T. Howell 1934-6-12 12025 Modoc Warner mtns. Plum Valley 1660 Comment
  RSA101499  Mahonia repens R. Weatherby 1955-7-7 1605 Modoc 8 mi. north of Ft. Bidwell, Warner Mts. 1951 Comment
  RSA603741  Mahonia repens L. C. Wheeler 1935-8-14 3838 Modoc Pine Creek. Warner Mtns. 2011 Comment
  CAS-BOT-BC242174  Maianthemum racemosum K. Paulson 1988-6-19 45 Modoc Cedar Springs area. 1539 Comment
  CAS-BOT-BC242175  Maianthemum racemosum Bruce Bartholomew; Barrett Anderson 1988-7-22 4534 Modoc Mill Creek, Lake City Canyon, 5.5 km W of Lake City, E side of the Warner Mts.. 1860 Comment
  RSA59523  Maianthemum stellatum E. K. Balls 1950-5-21 14817 Modoc Around South Fork Public Camp, South Fork Pit River, Likely to Jess Valley 1433 Comment
  CAS-BOT-BC49389  Malacothrix sonchoides Bruce Bartholomew 1991-6-22 5845 Modoc E side of Surprise Valley, 9.6 km E of Eagleville at the Nevada border. 1520 Comment
  UC1191795  Marrubium vulgare Verne Grant and Irving Schneider 1947-8-27 8330 Modoc embayment at s end Clear Lake; s end of Clear Lake Comment
  UCD169464  Marsilea oligospora Louis C. Wheeler 1935-9-18 3993 Modoc Everly Reservoir, Devil's Garden. 1524 Comment
  CHSC117040  Matricaria occidentalis Lowell Ahart; John Dittes 2016-6-6 20961 Modoc About 100 yards east of the Parking Area, about one mile south of the intersection of County Road 87 and Access Road to Pilot Butte Parking Area, 3.8 miles (air) east of Lookout, 7.5 miles (air) west of Adin, Ash Creek State Wildlife Area. 1271 Comment
  UC1024856  Melica bulbosa Leo Whitney 1935-7-6 3186 Modoc 2 mi n Hole-in-the-rock (ca 18 mi wnw of Canby) Comment
  UC1137125  Melica subulata August L. Hormay 1932-7-17 Modoc Lily Lake Comment
  UC71806  Melilotus albus Mrs. M. H. Manning 1903-7 308 Modoc near Fort Bidwell (ne Modoc Co.) Comment
  HSC14246  Mentha canadensis M. T. Milligan 1964-7-24 162 Modoc Badger Wells Rd. at Boles Creek Crossing 1524 Comment
  CAS-BOT-BC179132  Mentzelia dispersa R. M. Austin; C. C. (Mrs.) Bruce 1898-6-1 2368 Modoc Goose Lake. Comment
  CAS-BOT-BC179136  Mentzelia dispersa Bruce Bartholomew 1989-7-15 4999 Modoc Sweagert Flat. 1860 Comment
  CAS-BOT-BC179137  Mentzelia dispersa Elmer Ivan Applegate 1897-5-31 886 Modoc E side of Tule Lake. Comment
  CAS-BOT-BC179141  Mentzelia dispersa John Thomas Howell 1934-6-12 12042 Modoc N side of Fandango Valley. Comment
  JEPS46263  Mentzelia dispersa F. H. Frost 1925-7-20 90 Modoc 2 mi above Cedarville; Cedar Camp Comment
  POM84012  Mentzelia dispersa R. M. Austin 1895-08 100 Modoc Goose Lake Valley Comment
  CAS-BOT-BC179127  Mentzelia laevicaulis Elmer Ivan Applegate 1932-7-6 8188 Modoc Cedarville, Surprise Valley. Comment
  CAS-BOT-BC179130  Mentzelia laevicaulis L. A. M. Black 1893-8-1 77 Modoc Surprise Valley Comment
  CAS-BOT-BC179120  Mentzelia montana Alice Eastwood; John Thomas Howell 1940-6-14 8254 Modoc Between Mammoth Cave and Lava Bed National Monument. Comment
  RSA165653  Mentzelia montana Clare B. Hardham 1961-5-20 7866 Modoc Warner Mountains, Pine Creek. 1524 Comment
  UC1408973  Menyanthes trifoliata R. F. Thorne and C. W. Tilforth 1969-9-5 39166 Modoc Modoc National Forest, Warner Mountains, Clear Lake Clear Lake; Modoc National Forest, Warner Mountains, Clear Lake 1767 Comment
  CAS-BOT-BC54041  Mertensia ciliata Bruce Bartholomew; Barrett Anderson 1989-6-2 4794 Modoc Surprise Valley Road, just S of the Oregon border, extreme NE corner of Modoc County. 1630 Comment
  CAS-BOT-BC54002  Mertensia longiflora Bruce Bartholomew; Barrett Anderson 1988-5-13 4153 Modoc Along Parker Creek Road, 0.5 km W of West Warner Road on Parker Creek Road, W side of the Warner Mts.. 1650 Comment
  CAS-BOT-BC54005  Mertensia longiflora Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-11 6510 Modoc Edge of Jim's Flat along Oregon border. 1750 Comment
  JEPS70775  Mertensia longiflora L. S. Smith 1919-5-1 1083 Modoc Modoc Nat'l Forest, Warner Mts., South Warners 1828 Comment
  POM72712  Mertensia oblongifolia Mrs. R. M. Austin 1895-07 511 Modoc Goose Lake Valley. Comment
  CAS-BOT-BC54013  Mertensia oblongifolia var. amoena Betty J. Hammerly 1941-6-20 30 Modoc Clear Lake. 1767 Comment
  CAS-BOT-BC225964  Micranthes nidifica Bruce Bartholomew; Mona Bourell 1990-4-27 5171 Modoc NW side of Rice Flat, ca. 2 km S of Adin Pass. 1540 Comment
  CAS-BOT-BC225965  Micranthes nidifica Bruce Bartholomew; Barrett Anderson 1989-4-30 4717 Modoc Along Ralston Gulch, 2.4 km S of Caldwell Road (Co. road 54). 1450 Comment
  CAS-BOT-BC429188  Micranthes oregana Mrs. C. C. Bruce 1899-8-1 s.n. Modoc Goose Lake Comment
  CAS-BOT-BC95553  Micromonolepis pusilla Bruce Bartholomew 1991-5-24 5694 Modoc Surprise Valley, 5.1 km E of Eagleville. 1370 Comment
  CAS-BOT-BC49393  Microseris nutans Bruce Bartholomew; Mona Bourell 1990-4-28 5208 Modoc 4.3 km SE of Rush Creek on road to Hunters Ridge. 1550 Comment
  CAS-BOT-BC49395  Microseris nutans Bruce Bartholomew 1993-6-12 6591 Modoc Top of ridge directly above Day Rock. 1370 Comment
  CAS-BOT-BC197900  Microsteris gracilis Bruce Bartholomew 1992-5-16 6339 Modoc Burned area along County Road 91, ca. 2.5 km S of turn off to Happy Camp Ranger Station. 1390 Comment
  CAS-BOT-BC197907  Microsteris gracilis Bruce Bartholomew 1990-6-16 5253 Modoc Between roadhead and Pine Creek Basin, W side of Warner Mountains. 2130 Comment
  RSA59514  Microsteris gracilis subsp. humilis E. K. Balls 1950-5-12 14659 Modoc Bucks Creek Ranger Station, Modoc National Forest, east of Goose Lake 1677 Comment
  UC1249273  Mimulus breweri Arthur Cronquist, Arthur H. Holmgren 1959-6-20 8520 Modoc between Cedarville and Alturas; Warner Mts., Cedarville Pass 1950 Comment
  HSC65565  Mimulus guttatus Thomas Wood 1979-8-8 212 Modoc 1 mi. S of Ft. Bidwell along Hwy. 1, corner house where road turns W 1372 Comment
  UC445221  Mimulus guttatus W. P. Taylor and H. C. Bryant 1910-7-13 Modoc Head N. Fork Parker Cr. Warner Mountains 2225 Comment
  UC748138  Mimulus lewisii Annie M. Alexander and Louise Kellogg 1946-7-24 5064 Modoc at creek on trail to Emerson Camp (Bear Camp Flat); Warner Mountains Comment
  JEPS28993  Mimulus microphyllus Frances D. Payne 1931-6-12 154 Modoc w slope Warner Mountains; Parker Creek watershed 1584 Comment
  UC748168  Mimulus moschatus Annie M. Alexander and Louise Kellogg 1946-7-7 4957 Modoc Eight Mile Creek 1752 Comment
  UC76061  Mimulus moschatus Milo S. Baker July, 1898 545 Modoc Forestdale Comment
  UC445163  Mimulus nanus var. jepsonii Franklin P. Nutting 1893-6-8 Modoc near Egg Lake Comment
  RSA165594  Mimulus nanus var. nanus Clare B. Hardham 1961-6-19 7841 Modoc Willow Creek. Warner Mountains. 1677 Comment
  UC1063559  Mimulus nanus var. nanus R. C. Wilson 1933-6-11 44 Modoc Rush Creek Camp Modoc National Forest, Alturas Quadrangle Comment
  RSA59802  Mimulus nanus var. nanus N. N. Thompson 1950-5-17 14734 Modoc SW of Double Head, 7.5 mi. from Hwy 139. (S of Clear Lake Bird Refuge). 1463 Comment
  UCR34779  Mimulus primuloides J. A. Harpel 1981-8-6 V- 7 Modoc Warner Mtns, South Warner Wilderness Area: E end of Patterson Lake, 7 mi NW of Eagleville 2744 Comment
  JEPS79124 Image available Mimulus pulsiferae L. R. Heckard with Rimo Bacigalupi 1980-6-10 5228 Modoc Southwest margin of Egg Lake Comment
  UC27098  Mimulus pulsiferae Milo S. Baker 1893-6-12 Modoc Forestdale Comment
  RSA535824  Mimulus tricolor David M. Thompson 1988-6-3 928 Modoc Egg Lake, S end. Between Kramer Reservoir and White Horse-Lookout road along intermittent stream; 2.3 rd mi W of railroad crossing. 1300 Comment
  CAS-BOT-BC179370  Monardella odoratissima subsp. glauca Annie Montague Alexander; L. Kellogg 1946-7-23 5060 Modoc E slope of Emerson Peak. Comment
  CAS-BOT-BC179372  Monardella odoratissima subsp. glauca Bruce Bartholomew 1989-7-14 4965 Modoc Survice Gulch ca. 3 km NE of Egg Lake. 1340 Comment
  CAS-BOT-BC179852  Monardella odoratissima subsp. glauca Bruce Bartholomew; Barrett Anderson 1988-7-23 4554 Modoc Road beyond Poison Lake ca. 8 km S of the road from U.S. Highway 395 to Lily Lake, Warner Mts.. 2140 Comment
  CAS-BOT-BC179856  Monardella odoratissima subsp. glauca Bruce Bartholomew 1990-8-4 5638 Modoc Top of pass on Summit Trail, ca. 0.5 km SE of Patterson Lake, E side of Warner Mts. 2800 Comment
  CHSC109461  Monardella odoratissima subsp. glauca B. Castro; L. P. Janeway 2012-7-24 1947 Modoc Warner Mountains. Along Forest Road/County Road 2 (the road from New Pine Creek to Fort bidwell) 0.6 air mi west of Lily Lake and 0.9 air mi northwest of Yellow Mountain. 6391 Comment
  CHSC109746  Monardella odoratissima subsp. glauca B. Castro; L. P. Janeway 2012-7-26 1970 Modoc Warner Mountains. Top of Yellow Mountain; topmost part and western edge (at the edge of a steep dropoff to the northwest). 2453 Comment
  RSA0036438  Monardella odoratissima subsp. glauca B. Castro, L. P. Janeway 2012-7-24 1947 Modoc Warner Mountains. Along Forest Road/County Road 2 (the road from New Pine Creek to Fort Bidwell) 0.6 air mi west of Lily Lake and 0.9 air mi northwest of Yellow Mountain. 1948 Comment
  UC705933  Monardella odoratissima subsp. glauca Marion Ownbey, Fred G. Meyer 1940-7-1 2150 Modoc Cedar Peak Warner Mts. Comment
  CAS-BOT-BC179857  Monardella odoratissima subsp. glauca Leland S. Smith 1918-8-18 1046 Modoc Ridge above Emerson. Eagle and Bear. 2438 Comment
  RSA17430  Monardella odoratissima subsp. glauca Elmer I. Applegate 1932-8-6 8217 Modoc Near summit of Yellow Mountain, near Lily Lake, Bidwell Pass, Warner Mountains. Comment
  CAS-BOT-BC95543  Monolepis nuttalliana Bruce Bartholomew 1991-6-21 5812 Modoc 4 km S of Forest Service road 73 on road to Rim Rock Valley. 1570 Comment
  CAS-BOT-BC197517  Montia chamissoi Annie Montague Alexander; L. Kellogg 1946-6-22 4814 Modoc Lake Annie. 1524 Comment
  HSC17743  Montia chamissoi M. T. Milligan 1964-7-25 178 Modoc Pine Creek Basin, along trail. 2439 Comment
  HSC80773  Montia chamissoi G. M. Riegel 1980-7-30 976 Modoc S Warner Mtns. 2100 Comment
  CHSC117849  Montia dichotoma L. P. Janeway 2016-5-16 11997 B Modoc Modoc Plateau. Devils Garden area; along Road 46N05A (Applegate Trail Southern Route) 0.3 km west of Road 46N02; 2.4 air-km east-southeast of Green Tank Reservoir and Green Spring Reservoir. 1569 Comment
  CAS-BOT-BC197510  Montia fontana Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16396 Modoc Thoms Creek, 6.1 mi. E of Calif. State Highway 299 along Cedar Pass Rd. Comment
  RSA65656  Montia fontana F. W. Peirson 1926-6-25 6889 Modoc 1 mile east of summit of Cedarville Road, Warner Mountains Comment
  CAS-BOT-BC197544  Montia linearis Roxana Stinchfield Ferris; R. Duthie 1919-6-14 42 Modoc Parker Creek near Modoc Nat. Forest Boundary. Comment
  CAS-BOT-BC197545  Montia linearis Bruce Bartholomew; Barrett Anderson 1989-4-27 4614 Modoc 2.1 km SSE of Day on road to State Highway 299. 1020 Comment
  UCD18893  Montia linearis Vernal Pool Team 2001; Carol Witham and Jennifer Buck 2001-5-10 201 Modoc 5 mi. NE along Hwy 139 from its intersection with Hwy 299, south of hwy 139, Canby site. Comment
  UC1025026  Muhlenbergia asperifolia Leo Whitney 1935-7-19 3540 Modoc ca 15 mi nw Canby; Modoc National Forest, Lake Joaquina, Hackamore 1463 Comment
  CAS-BOT-BC247571  Muhlenbergia asperifolia Herbert Louis Mason 1947-8-15 13542 Modoc Mouth of Crane Creek on Willow Ranch. Comment
  SEINET4343716 Image available Muhlenbergia richardsonis Unknown 1988-6-18 7609 Modoc West side of Hwy 139 just south of where it crosses railroad at junction to Clear Lake, NE of Dry Lake east of Lava Beds National Monument 1250 Comment
  UC1024923  Muhlenbergia richardsonis Leo Whitney 1935-6-29 3355 Modoc ca 15 mi nw Canby; Modoc National Forest, Lake Joaquina, Hackamore 1463 Comment
  POM313204  Muhlenbergia richardsonis H. L. Mason 1947-8-8 13467 Modoc Southwest margin of Big Sage Reservoir, northwest of Alturas Comment
  JEPS20005  Myosurus apetalus M. H. Manning May, 1903 119 Modoc Ft. Bidwell Comment
  UCD18894  Myosurus apetalus Vernal Pool Team 2001; Carol Witham and Jennifer Buck 2001-5-10 202 Modoc 5 mi. NE along Hwy 139 from its intersection with Hwy 299, south of hwy 139, Canby site, pool # CAN001. Comment
  CAS-BOT-BC217293  Myosurus minimus Alice Eastwood; John Thomas Howell 1940-6-15 8274 Modoc Near Perez. Comment
  SJSU9632  Myosurus minimus W. Savage 1979-7-7 1451 Modoc Triangle, W side Fairchild Swamp Unit, Modoc National Forest 1493 Comment
  SJSU9375  Myriophyllum sibiricum W. Savage 1979-8-22 1581 Modoc near remains of Triangle Ranch cabin, Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  POM261001  Nama densa Alice Eastwood, J. T. Howell 1940-6-13 8156 Modoc East side of Fandango Pass. Comment
  CAS-BOT-BC198011  Navarretia breweri Alice Eastwood; John Thomas Howell 1940-6-13 8133 Modoc W side of Fandango Pass. Comment
  CAS-BOT-BC198024  Navarretia breweri Robert Patterson; Mona Bourell 1993-8-15 5243 Modoc Warner Mountains. Along trail from Patterson Lake to ca. 2 mi north towards Pepperdine Trailhead. 2743 Comment
  RSA73726  Navarretia breweri Alice Eastwood, J. T. Howell 1940-6-13 8133 Modoc West side of Fandango Pass. Comment
  UC190591  Navarretia breweri M. F. Gilman 516 Modoc 1981 Comment
  UC1025101  Navarretia divaricata Leo Whitney 1934-5-27 1846 Modoc near Hackamore; Modoc National Forest 1463 Comment
  CAS-BOT-BC197997  Navarretia divaricata subsp. vividior Bruce Bartholomew; Barrett Anderson 1988-6-25 4396 Modoc Ryan Canyon, N of Adin. 1390 Comment
  SEINET4673744  Navarretia divaricata subsp. vividior Leigh A. Johnson, Haley M. Smith 2011-6-25 11 -064 Modoc Vicinity of mile marker 9.37 off of Hwy 299, near Roney Flat and Johnson Creek roads. 1428 Comment
  UC23519  Navarretia divaricata subsp. vividior Milo S. Baker 1894-6-15 Modoc Little Hot Springs Valley Comment
  CAS-BOT-BC197996  Navarretia heterandra Alice Eastwood; John Thomas Howell 1940-6-15 8294 Modoc 9 mi. N of Lookout. Comment
  CAS-BOT-BC197990  Navarretia intertexta subsp. intertexta Barrett Anderson 1986-7-9 3133 Modoc Roney Flat Rd just off Hwy 299. 1435 Comment
  CAS-BOT-BC197992  Navarretia intertexta subsp. intertexta Clare Butterworth Hardham 1974-8-6 20173 Modoc Cedar Pass, Warner Mts. 1935 Comment
  RSA165590A  Navarretia intertexta subsp. propinqua Clare B. Hardham 1961-6-19 7840 Modoc Willow Creek. Warner Mountains. Comment
  UC1178896  Navarretia intertexta subsp. propinqua Herbert L. Mason 1947-7-8 13315 Modoc Cedar Pass, summit of Warner Range Warner Range 1920 Comment
  UC526146  Navarretia intertexta subsp. propinqua John Thomas Howell 1934-6-15 12199 Modoc 2 mi e Alturas; Dorris Reservoir Comment
  SJSU9551  Navarretia leptalea W. Savage 1979-7-3 1285 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  CAS-BOT-BC197964  Navarretia leucocephala subsp. minima Bruce Bartholomew 1991-7-5 5953 Modoc 0.8 km N of State Hwy 139 on Forest Service road 46. 1520 Comment
  CAS-BOT-BC197965  Navarretia leucocephala subsp. minima Leland S. Smith 1924-5-31 1355 Modoc Egg Lake above ranch. 1310 Comment
  OBI48922  Navarretia leucocephala subsp. minima Lewis s. Rose 1940-7-14 40571 Modoc 8 mi. nw. of Canby 1524 Comment
  UC1058210  Navarretia leucocephala subsp. minima C. McMillan 1949-6-16 1536 Modoc 3 mi s Crowder Flat (35 mi n of Canby) Comment
  POM260725  Navarretia sinistra Alice Eastwood, J. T. Howell 1940-6-14 8216 Modoc 8 miles NW of Canby Comment
  RSA67204  Navarretia sinistra Verne Grant, Alva Grant 1947-7-13 8015 Modoc Fandango Pass, Warner Mountains. Comment
  CAS-BOT-BC179309  Nemophila breviflora Bruce Bartholomew 1992-5-15 6311 Modoc Upper end of Pleasants Canyon, W side of Warner Mountains. 1930 Comment
  POM260426  Nemophila breviflora C. L. Hitchcock 1940-5-27 6661 Modoc 12 miles NE of Alturas. 1616 Comment
  CAS-BOT-BC179283  Nemophila pedunculata Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16428 Modoc Summit of Cedar Pass. 1935 Comment
  CAS-BOT-BC179291  Nemophila pedunculata Bruce Bartholomew; M; M. Gilbert; L. E. Skog 1993-5-11 6494 Modoc Junction of Crowder Flat Road and the road to the N side of Big Sage Reservoir. 1580 Comment
  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
  UC726196  Neoholmgrenia andina A. A. Heller 1941-6-25 16198 Modoc on the Cedarville rd a short distance e junction with U.S. Highway 395 Comment
  HSC26499  Nestotus stenophyllus J. P. Smith, J. O. Sawyer 1972-5-6 5273 Modoc Along Hwy. 299, 4 mi. W of Modoc County Rd. 58, E of Alturas 1494 Comment
  UCD134645  Nestotus stenophyllus G. L. Stebbins Jr.; A. A. Beetle 1942-5-30 3247 Modoc 8.6 miles northwest of Canby, on road to Tule Lake. 1584 Comment
  CHSC100433  Nicotiana attenuata Lowell Ahart; John Dittes 2008-8-25 15319 Modoc On the east bank of the Pit River (flood plain), about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout. 1273 Comment
  JEPS114499  Nicotiana attenuata Lowell Ahart, John Dittes 2008-8-25 15319 Modoc On the east bank of the Pit River (flood plain), about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout 1273 Comment
  JEPS79207  Nothocalais troximoides L. R. Heckard with Rimo Bacigalupi 1980-6-11 5239 Modoc junction of Parker Creek and Sheilds Creek (about 10 air mi se of Alturas); Parker Creek 1737 Comment
  POM126858  Oenothera deltoides subsp. piperi P. A. Munz 1929-03 1916 Modoc Cedarville & Lake City Comment
Read comments Jan 23 2011
  JEPS31525  Oenothera flava subsp. flava L. S. Smith 1920-6-14 Modoc Bieber Range Comment
  RSA128680  Onopordum acanthium T. C. Fuller 1959-7-8 2795 Modoc S/4th St., E/East St., Alturas Comment
  CAS-BOT-BC50377  Onopordum acanthium subsp. acanthium Thomas C. Fuller 1958-7-9 900 -58 Modoc Alturas. Comment
  CHSC112843  Onopordum acanthium subsp. acanthium Lowell Ahart; John Dittes 2013-7-24 18945 Modoc South high bank of Ash Creek Canal, south of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. 1272 Comment
  JEPS26037  Onopordum acanthium subsp. acanthium T. C. Fuller 1959-7-8 2795 Modoc Alturas; S/4th St., E/East St. 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
  UC35315  Orobanche fasciculata Milo S. Baker 1893-7-2 Modoc Above flat mountains. Comment
  CAS-BOT-BC190783  Orobanche uniflora Edward Kent Balls 1950-5-18 14756 Modoc N of Upper Rush Creek Public Camp, 2.5 mi. E of Hwy 299. 1737 Comment
  UC35319  Orobanche uniflora subsp. occidentalis M. S. Baker and Frank Nutting 1894-6-8 Modoc Near Egg Lake. Comment
  CAS-BOT-BC232177  Orthocarpus cuspidatus subsp. copelandii Elmer Ivan Applegate 1932-8-1 7994 Modoc Arid ridge N of Mill Creek Meadow. Comment
  CAS-BOT-BC232319  Orthocarpus cuspidatus subsp. copelandii Annie Montague Alexander; L. Kellogg 1946-7-7 4923 Modoc Eight Mile Creek. 1752 Comment
  CAS-BOT-BC232320  Orthocarpus cuspidatus subsp. copelandii Bruce Bartholomew; Barrett Anderson 1988-7-23 4558 Modoc Road beyond Poison Lake ca. 8 km S of the road from U.S. Highway 395 to Lily Lake, Warner Mts.. 2140 Comment
  CAS-BOT-BC232322  Orthocarpus cuspidatus subsp. copelandii Francis Dorris Payne 1932-6-26 614 Modoc Parker Creek. 1584 Comment
  RSA80247  Orthocarpus cuspidatus subsp. copelandii F. W. Peirson 1926-6-25 6871 Modoc Summit of grade, Cedarville Pass, Warner Mountains. Comment
  UC673450  Orthocarpus cuspidatus subsp. cryptanthus F. H. Frost 1925-7-25 Modoc Eagle Peak; Warner Mts., Eagle Peak 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
  RSA14097  Orthocarpus hispidus Elmer I. Applegate 1929-6-24 5894 Modoc Between Alturas and Davis Creek. Comment
  RSA504599  Orthocarpus hispidus Bruce Bartholomew, B. Anderson 1988-6-23 4282 Modoc Widow Valley, 18.0 km W of Day on County Road 94. 1230 Comment
  RSA531343  Orthocarpus lacerus Bruce Bartholomew, B. Anderson 1989-6-3 4911 Modoc ca. 6 km NW of Egg Lake and ca. 0.8 km E of Service Flat Gulch. 1370 Comment
  JEPS86369  Osmorhiza berteroi Jack and Betty Guggolz 1988-6-28 956 Modoc w Jenkins Spring Comment
  NY1101673  Osmorhiza chilensis B. Anderson 1986-7-9 3166 Modoc Warner Mountains. Stough Reservoir Rd just east of Cedar Pass near Stough Reservoir 1965 Comment
  UC21056  Osmorhiza occidentalis Mrs. R. M. Austin and Bruce June, 1898 2263 Modoc Lake City Mt. Comment
  UC748406  Osmorhiza occidentalis Annie M. Alexander and Louise Kellogg 1946-6-30 4875 Modoc Highgrade Warner Mountains (w side of ridge, n end of mts.) 2377 Comment
  JEPS5967  Osmorhiza occidentalis Frances D. Payne 1931-6-21 215 Modoc under cliffs on ridge sw Dry Creek (creek is a tributary of Parker Creek, s and e of Alturas); Warner Mountains Comment
  CAS-BOT-BC218102  Oxyria digyna Bruce Bartholomew 1992-8-8 6377 Modoc Vicinity of Patterson Lake, E side of Warner Mountains. 2750 Comment
  UC71867  Oxyria digyna Mrs. M. H. Manning 1903-7 349 Modoc Mt. Bidwell; north-eastern Modoc County 2438 Comment
  CAS-BOT-BC50316  Packera eurycephala var. eurycephala Francis Dorris Payne 1932-6-22 581 Modoc Parker Creek. 1584 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
  UC1234584  Packera eurycephala var. eurycephala Peter H. Raven 1962-5-29 17892 Modoc 6 mi e Alturas Comment
  CAS-BOT-BC190774  Paeonia brownii Isabelo T. Kelly 1930-1-1 52 Modoc Modoc County. Comment
  CAS-BOT-BC190775  Paeonia brownii Annie Montague Alexander; L. Kellogg 1946-6-15 4778 Modoc Deep Creek. 2164 Comment
  CAS-BOT-BC190778  Paeonia brownii E. S. Willits 1940-5-4 211 Modoc Willow Ranch. Comment
  RSA99680  Paeonia brownii W. A. Weber 1953-5-14 8372 Modoc West end of Jess Valley 10 miles east of Likely 1433 Comment
  CAS-BOT-BC225850  Parnassia fimbriata Leland S. Smith 1918-8-26 1049 Modoc Head of canyon, Owl Creek Canyon. 2286 Comment
  JEPS9615  Paxistima myrsinites L. S. Smith 1922-5-28 1246 Modoc below ridge Happy Camp Mt.; Modoc Forest, Happy Camp Mt. 1676 Comment
  RSA531348  Pedicularis attollens K. Paulson, R. Paulson 1990-7-21 213 Modoc Patterson Meadow, Warner Mts. Comment
  POM203786  Pedicularis groenlandica J. T. Howell 1934-6-14 12140 Modoc Near Lost Lake, Warner Mts. 2439 Comment
  UC748186  Pedicularis groenlandica Annie M. Alexander and Louise Kellogg 1946-6-28 4854 Modoc Pine Creek Canyon, n end of Warner Mountains Pine Creek Canyon; Warner Mountains 2240 Comment
  UC922444  Pellaea breweri Annie M. Alexander and Louise Kellogg 1946-7-23 5049 Modoc Emerson Peak; Warner Mts 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
  CAS-BOT-BC265312  Penstemon davidsonii var. davidsonii Frances Payne 1929-7-12 82 Modoc Camp 1, Lost Lake, Warner Mountains 2286 Comment
  RSA647534  Penstemon deustus Marion P. Harthill 1971-6-23 372 Modoc Fort Bidwell. Comment
  POM43207  Penstemon deustus subsp. deustus R. M. Austin 1890-07 535 Modoc Goose Lake Valley Comment
  CAS-BOT-BC232326  Penstemon deustus var. pedicellatus Isabelo T. Kelly 1930-1-1 46 Modoc Modoc County. Comment
  CAS-BOT-BC232327  Penstemon deustus var. pedicellatus Leland S. Smith 1917-7-24 114 Modoc Bald Mt. 2438 Comment
  CAS-BOT-BC232336  Penstemon deustus var. pedicellatus John Thomas Howell 1934-6-11 11919 Modoc Parker Creek, Warner Mountains 1584 Comment
  CAS-BOT-BC232373  Penstemon deustus var. pedicellatus Roxana Stinchfield Ferris; R. Duthie 1919-6-13 100 Modoc Above Parker Creek, Warner Mountains Comment
  CAS-BOT-BC232332  Penstemon deustus var. pedicellatus John H. Hatton 1911-6-22 138 Modoc Huffman Ranch. 1615 Comment
  CAS-BOT-BC245536  Penstemon gracilentus Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10520 Modoc Patterson Ranger Station (East Creek drainage). 2164 Comment
  CAS-BOT-BC245541  Penstemon gracilentus Elmer Ivan Applegate 1932-7-31 7959 Modoc Mill Creek Meadow, Warner Mountains Comment
  RSA11916  Penstemon gracilentus Elmer I. Applegate 1932-7-31 7959 Modoc Mill Creek Meadow. Warner Mtns. Comment
  HSC80747  Penstemon gracilentus G. M. Riegel 1979-7-24 600 Modoc S Warner Mtns. 1829 Comment
  RSA504843  Penstemon gracilentus Bruce Bartholomew, B. Anderson 1988-7-21 4472 Modoc Vicinity of Patterson Campground, Southern end of the Warner Mountains. 668 Comment
  CAS-BOT-BC245522  Penstemon humilis var. humilis John Thomas Howell 1934-7-1 12337 Modoc Duncan Horse Camp. 1355 Comment
  CAS-BOT-BC245526  Penstemon humilis var. humilis Dean William Taylor 1988-6-4 9762 Modoc Tule Lake Basin, Doie Flat, ca. 2.6 mi S10 deg. E of Casuse Mountain. 1280 Comment
  CAS-BOT-BC245527  Penstemon humilis var. humilis Mrs. H. C. Cantelow 1935-6-8 982 Modoc N of Canby. Comment
  CAS-BOT-BC245519  Penstemon janishiae M. J. Williams; T. Holmcomb; B. Holcomb; L. Saxton 1988-5-28 88- 24 -2 Modoc Grade up to Crowder Flat from Hwy 229, W of Alturas. Top of steep bank by road. 1478 Comment
  CAS-BOT-BC245520  Penstemon janishiae Harry Delbert Thiers 1966-5-13 16326 Modoc Between Alturas and Crowder Flat Ranger Station. 1524 Comment
  SEINET4854504  Penstemon janishiae Unknown 1978-6-8 8883 Modoc Crowder Flat Rd., 0.5 km (0.3 mi) from junction with California Highway 395 (Alturas). 1340 Comment
  LA35157  Penstemon newberryi var. newberryi Mary V. Hood; 1944-6-27 44- 91 k* Modoc Sierra Nevada, Sequoia National Park, Summit Little Baldy 2544 Comment
  CAS-BOT-BC232502  Penstemon roezlii Roxana Stinchfield Ferris; R. Duthie 1919-6-15 58 Modoc Along Parker Creek. Comment
  CAS-BOT-BC232506  Penstemon roezlii C. C. (Mrs.) Bruce 1898-7-1 2861 Modoc unspecified Comment
  CAS-BOT-BC232507  Penstemon roezlii Elmer Ivan Applegate 1932-7-8 7566 Modoc W side of Cowhead Lake. Comment
  CAS-BOT-BC232513  Penstemon roezlii C. L. Hitchcock 1940-5-27 6672 Modoc 15 mi. NW of Alturas. 1615 Comment
  CAS-BOT-BC245573  Penstemon roezlii Alice Eastwood; John Thomas Howell 1940-6-12 8090 Modoc Jess Valley. Comment
  HSC21011  Penstemon roezlii M. T. Milligan 1964-6-6 14 Modoc N side of Dorris Reservoir along shore 1372 Comment
  NY641736  Penstemon roezlii K. A. Vincent 1987-7-2 4446 Modoc Warner Range; along north side of CA 299 just west of Cedar Pass, ca. 9.9 miles east-northeast of jct. US 395, ca. 12 air miles northeast of Alturas 1920.2 Comment
  SEINET195630  Penstemon roezlii Annie M. Alexander, L Kellogg 1946-6-12 4740 Modoc Fandango Pass rd 1707 Comment
  JEPS27802  Penstemon roezlii Frances D. Payne 1929-6-28 29 Modoc Parker Creek Warner Mts., Parker Creek 1584 Comment
  POM319335  Penstemon roezlii Patricia Wilder 1971-6-20 5097 Modoc Lookout-White Horse Rd., about 3 mi. west of Lookout; north of Bieber and California State Hiway 299. Pit River Drainage, Cascades Mt. Range. 1372 Comment
  UC1094750  Penstemon roezlii Francia Chisaki 1956-5-29 863 Modoc 7.1 mi e of the junction of Highway #395 and road to Cedarville ((on the latter road)); road to Cedarville Comment
  UCD124163  Penstemon roezlii Jack Major 1966-6-24 s.n. Modoc Above Goose Lake, west side of Fandango Pass. 1645 Comment
  CAS-BOT-BC245485  Penstemon rydbergii var. oreocharis C. L. Hitchcock 1940-5-28 6726 Modoc 15 mi. N of Alturas (near Surprise). 1402 Comment
  RSA563317  Penstemon rydbergii var. oreocharis K. Paulson, R. Paulson 1990-7-2 210 Modoc Dismal Swamp, Warner Mtns. Comment
  UCR77773  Penstemon rydbergii var. oreocharis K. Paulson, R. Paulson 1989-7-4 171 Modoc About 1 mi south of Patterson Ranger Station, S end of Warner Mtns 2122 Comment
  CAS-BOT-BC245550  Penstemon speciosus Elmer Ivan Applegate 1932-8-1 8037 Modoc High arid summit of Warner Mts. S of Warren Peak. Comment
  CAS-BOT-BC245552  Penstemon speciosus Gordon H. True 1964-6-3 1443 Modoc Near Cedar Pass. 1524 Comment
  CAS-BOT-BC245556  Penstemon speciosus Alice Eastwood; John Thomas Howell 1940-6-12 8094 Modoc Jess Valley. Comment
  CAS-BOT-BC245557  Penstemon speciosus Bruce Bartholomew 1995-8-1 7156 Modoc Bidwell Mtn., E side of the Warner Mountains. 2150 Comment
  HSC21058  Penstemon speciosus M. T. Milligan 1964-7-1 128 Modoc 6 mi. N of Hwy. 139 on FS Rd. 44N15 1524 Comment
  RSA59600  Penstemon speciosus Verne Grant, Alva Grant 1950-7-14 8947 Modoc On north flank of Cedar Mt, Warner Mtns. 2195 Comment
  UC27471  Penstemon speciosus Mrs. R. M. Austin and Bruce June 1898 2360 Modoc Hillside Comment
  JEPS90471  Peraphyllum ramosissimum Dean Wm. Taylor with Glenn L. Clifton 1992-5-7 12535 Modoc ca. 7 mi. w. Alturas (Hwy. 299 at Milepost 25.5, on hillside 0.3 mi. n. of hwy.); Modoc Plateau Comment
  UC931945  Peraphyllum ramosissimum Verne Grant and Alva Grant 1948-7-10 8008 Modoc s of Alturas (on Highway 359) Comment
  CAS-BOT-BC498669  Peraphyllum ramosissimum K. Paulson; R. Paulson 1991-5-26 223 Modoc Along Hwy 395, ca 3 mi S of Alturas 1338 Comment
  CAS-BOT-BC15708  Perideridia bolanderi subsp. bolanderi Roxana Stinchfield Ferris; L. Lorraine 1941-8-14 10581 Modoc 3 mi. from Patterson Ranger Station on road to Eagleville. Comment
  NY1102247  Perideridia bolanderi subsp. bolanderi L. C. Wheeler 1935-8-16 3881 Modoc Dismal Swamp, Twenty Mile Creek, Warner Mountains 2225 Comment
  SEINET11142106  Perideridia bolanderi subsp. bolanderi M. J. Williams 1983-7-29 83- 116 -10 Modoc Warner Mountains, 1.1 miles N of Stowe Reservoir Campground, N of Cedar Pass. 2088 Comment
  HSC21603  Perideridia gairdneri subsp. gairdneri M. T. Milligan 1966-8-3 625 Modoc W slope of Eagle Peak 2439 Comment
  UC20886  Perideridia oregana Mrs. R. M. Austin July 1894 Modoc Goose Lake Valley Comment
  UC1389987  Perideridia oregana T. I. Chuang and R. S. Mitchell 1966-7-19 6055 Modoc 19 mi nw Davis Creek (w side of lake); Goose Lake Comment
  CAS-BOT-BC95156  Peritoma platycarpa Mrs. H. C. Cantelow 1940-5-31 3059 Modoc 7.3 mi W of Alturas. Comment
  CHSC71886  Persicaria lapathifolia Vernon H. Oswald; Lowell Ahart 1998-9-8 9600 Modoc Mosquito Lake on the north side of Whitehorse Flat Reservoir ca. 20 air mi north of McArthur. Common in drying soil on the receding margin of the lake. 1341 Comment
  CHSC100383  Persicaria maculosa Lowell Ahart; John Dittes 2008-8-25 15288 Modoc On the west bank of the Pit River, about 1/8 mile east of County Road 91,about 3.8 miles (air) north-northeast of Lookout. 1273 Comment
  CAS-BOT-BC179278  Phacelia glandulifera Bruce Bartholomew; Barrett Anderson 1989-6-2 4815 Modoc Sand dunes at the SE corder of Upper Alkali Lake, E side of Surprise Valley. 1400 Comment
  JEPS2094  Phacelia glandulifera J. G. Lemmon June, 1879 Modoc and near Susanville Surprise Valley Comment
  HSC81069  Phacelia hastata G. M. Riegel 1980-8-28 1070 Modoc S Warner Mtns. 1739 Comment
  HSC81070  Phacelia hastata G. M. Riegel 1980-8-28 1070 Modoc S Warner Mtns. 1739 Comment
  SBBG30501  Phacelia hastata D. Myrick 1968-6-20 1967 Modoc Cedar Pass Rd, St Hwy 299, 10 mi E of Alturas 1371 Comment
  CAS-BOT-BC179269  Phacelia hastata subsp. hastata Alice Eastwood; John Thomas Howell 1940-6-13 8150 Modoc Fandango Pass. Comment
  SEINET5764724  Phacelia hastata var. hastata A. Sanger 1996-7-12 2427 Modoc Road 44N69 at junction with road to small stock pond, alongside road 2121 Comment
  CDA40416  Phacelia heterophylla subsp. virgata Alice Eastwood & John Thomas Howell 1940-6-13 8119 Modoc Suprise. 0 Comment
  HSC13657  Phacelia heterophylla subsp. virgata M. T. Milligan 1964-7-1 100 Modoc 1/2 mi. E of Rattlesnake Butte Rd. on Modoc Co. Rd. 54 1372 Comment
  JEPS4036  Phacelia heterophylla subsp. virgata Frances D. Payne 1931-6-21 219 Modoc ridge sw Dry Creek (creek is tributary of Parker Creek, s and e of Alturas); Warner Mountains 1981 Comment
  JEPS2124  Phacelia humilis L. S. Smith 1918-7-11 984 Modoc Mill Creek Meadows Modoc <National> Forest 2087 Comment
  HSC13731  Phacelia humilis M. T. Milligan 1965-6-27 358 Modoc 1677 Comment
  RSA531349  Phacelia humilis K. Paulson 1989-6-14 128 Modoc 1.5 miles NE of Cedar Pass, Warner Mts. 1905 Comment
  CAS-BOT-BC179979  Phacelia humilis var. humilis Bruce Bartholomew 1990-6-15 5244 Modoc Top of Manzanita Mountain in vicinity of Manzanita Lookout. 2130 Comment
  CAS-BOT-BC179990  Phacelia humilis var. humilis Francis Dorris Payne 1929-7-26 119 Modoc Pine Creek Basin. 2133 Comment
  CAS-BOT-BC179997  Phacelia humilis var. humilis Francis Dorris Payne 1931-6-25 264 Modoc Pine Creek Basin. 2316 Comment
  CAS-BOT-BC248337  Phacelia humilis var. humilis B. Bartholomew; H. Sun 2002-6-24 8811 Modoc Ridge top just S of Manzanita Mt. and 15.3 straight line km NW of Aden 2070 Comment
  POM264911  Phacelia humilis var. humilis J. T. Howell 1934-6-13 12062 Modoc Fandango Pass, Warner Mountains. 1829 Comment
  CAS-BOT-BC179968  Phacelia inundata Bruce Bartholomew 1991-5-24 5708 Modoc Surprise Valley, E of Eagleville at the Nevada State boundary. 1520 Comment
  CHSC67114  Phacelia inundata James D. Jokerst 1987-5-13 2859 Modoc Radar Survey Site S of Doublehead Mtn., S of Clear Lake Reservoir, dry lake W and adjacent to N end of central sector. 1353 Comment
  UC914300  Phacelia inundata Verne Grant 1947-8-27 8316 Modoc sw end Clear Lake Comment
  JEPS2135  Phacelia linearis L. S. Smith 1103 Modoc Deep Creek Ranger Sta. Warner Mts. (s of mts., w of Cedarville) 1493 Comment
  RSA428038  Phacelia linearis Christopher Davidson 1975-6-4 2629 Modoc Canby Bridge across Pit River, ca. four miles south of Canby on Highway 299. 1341 Comment
  RSA428039  Phacelia linearis Christopher Davidson 1973-5-24 2109 b Modoc South of Alturas along Highway 395 near Likely. 1311 Comment
  SJSU9658  Phacelia linearis W. Savage 1979-7-8 1494 Modoc E end Fairchild Swamp Unit Triangle, Devils Garden District, Modoc National Forest 1493 Comment
  JEPS1150  Phacelia mutabilis W. L. Jepson 1918-8-7 7866 Modoc Mt. Bidwell 2286 Comment
  UC748117  Phacelia sericea var. ciliosa Annie M. Alexander and Louise Kellogg 1946-8-9 5129 Modoc Patterson Lake Trail Warner Mountains Comment
  CAS-BOT-BC179907  Phacelia thermalis Bruce Bartholomew; Barrett Anderson 1989-6-3 4893 Modoc ca. 5 km E of the SE corner of Clear Lake Reservoir. 1450 Comment
  CAS-BOT-BC179913  Phacelia thermalis Amos Arthur Heller 1941-6-26 16220 Modoc 3 mi. W of Canby on Hwy 299. Comment
  UC1586865  Phacelia thermalis Juha Pykala and D. H. Norris 1987-5-27 1133 Modoc Crowder Flat Rd about 7 road mi from Hwy 299; Modoc National Forest 1540 Comment
  UC881274  Phacelia thermalis Lewis S. Rose 1940-6-12 40537 Modoc 10 mi south of Alturas 1341 Comment
  RSA502344  Phacelia thermalis D. W. Taylor, R. A. Price 1988-6-4 9761 Modoc Tule Lake Basin; Dobie Flat, ca. 2.6 miles south 10 degrees east of Casuse Mountain. 1280 Comment
  SEINET4691133  Phalaris arundinacea S. C. Swift 1937-6-23 12 Modoc Alturas, grazing district # 2 1280 Comment
  CAS-BOT-BC247598  Phleum alpinum Bruce Bartholomew 1990-8-5 5681 Modoc Summit Trail, ca. 4 km N of Patterson Ranger Station, W side of Warner Mts. 2470 Comment
  UCD89310  Phleum alpinum August L. Hormay 1932-7-17 s.n. Modoc Lily Lake. Comment
  CAS-BOT-BC247594  Phleum pratense Bruce Bartholomew; Barrett Anderson 1988-7-22 4510 Modoc SE side of Sunflower Knob, southern end of the Warner Mts.. 2160 Comment
  UC70660  Phleum pratense Mrs. M. H. Manning 1904-7-7 418 Modoc north-eastern Modoc County Comment
  CHSC67575  Phlox caespitosa James D Jokerst 1983-5-31 1812 Modoc Near Hwy. 395 S of Alturas at the base of the upper ramparts of the butte just S of Signal Butte. 1341 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
  JEPS69976  Phlox diffusa Frances D. Payne 1931-6-29 291 Modoc e slope Warren Peak; Warner Mountains 2286 Comment
  UCD118419  Phlox diffusa W. E. Moon 1959-5-19 s.n. Modoc State Hwy. 139, west of Hackamore Reservoir, northwest of Canby. Comment
  RSA150275  Phlox diffusa subsp. diffusa A. J. Cronquist, Arthur H. Holmgren 1959-6-20 8524 Modoc Warner Mountains: at Cedarville Pass, between Cedarville and Alturas. 1951 Comment
  POM260319  Phlox douglasii subsp. rigida C. L. Hitchcock 1940-5-28 6730 Modoc near Surprise, ca. 15 miles north of Alturas. 1402 Comment
  UC71715  Phlox gracilis Mrs. M. H. Manning Apr 1903 64 Modoc near Fort Bidwell (ne Modoc County) Comment
  UC879774  Phlox gracilis C. L. Hitchcock 1940-5-27 6685 Modoc 15 mi ne Alturas 1615 Comment
  CDA40288  Phlox gracilis T. C. Fuller 1961-5-17 6955 Modoc Between the railroad and Highway 395, 1 mile northwest of Alturas. 0 Comment
  UC1191161  Phlox gracilis Herbert L. Mason 1949-4-16 13995 Modoc e of Alturas Comment
  CAS-BOT-BC197884  Phlox hoodii subsp. canescens Bruce Bartholomew 1993-6-14 6659 Modoc 8.7 km E of County Road 114 on County Road 108, NW of Clear Lake Reservoir. 1450 Comment
  CAS-BOT-BC197888  Phlox hoodii subsp. canescens Bruce Bartholomew 1991-5-24 5729 Modoc 2.9 km NE of road between Fort Bidwell and Fee Reservoir on road to Big Mud Lake. 1680 Comment
  HSC26501  Phlox hoodii subsp. canescens J. P. Smith, J. O. Sawyer 1972-5-6 5253 Modoc County Rd. 86, just E of Adin. 1098 Comment
  UC23907  Phlox hoodii subsp. canescens Milo S. Baker Jun 10 1893-Jun 27 1893 Modoc Comment
  HSC45811  Phlox stansburyi J. P. Smith, J. O. Sawyer 1972-5-6 5269 Modoc Along Hwy. 299, 4 mi. W of Modoc County Rd. 58, E of Alturas 1494 Comment
  JEPS127579  Phlox stansburyi var. brevifolia L. P. Janeway 2016-5-18 12052 Modoc Modoc Plateau. Between Goose Lake and the Devils Garden area; upland along southwest side of Goose Lake about 2.1 air-km southwest of north end of Road 48 causeway across the lake. McGinty Point 7.5' Quad. Comment
  CAS-BOT-BC374925  Phoenicaulis cheiranthoides Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16432 Modoc Near summit of Cedar Pass. 1920 Comment
  CAS-BOT-BC58312  Phoenicaulis cheiranthoides John Thomas Howell 1934-6-13 12104 Modoc North Fk. of Barber Creek. 1828 Comment
  CAS-BOT-BC58315  Phoenicaulis cheiranthoides Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-11 6507 Modoc Fletcher Creek near crossing by Crowder Flat Road. 1600 Comment
  CAS-BOT-BC58580  Phoenicaulis cheiranthoides E. S. Willits 1940-4-16 185 Modoc Foothills above Willow Ranch, Highway 295. Comment
  POM260187  Phoenicaulis cheiranthoides C. L. Hitchcock 1940-5-27 6673 Modoc 15 miles northeast of Alturas. 1616 Comment
  UC117653  Phoenicaulis cheiranthoides Mrs. R. M. Austin May 1894 4 Modoc Goose Lake Valley Comment
  UC71679  Phoenicaulis cheiranthoides Mrs. M. H. Manning 1903-4-12 63 Modoc near Fort Bidwell (in north-eastern Modoc County) Comment
  SACT001764  Phragmites communis Herbert Mason 1947-8-11 Modoc Lassen County line. Comment
  CHSC117014  Pilularia americana Lowell Ahart; John Dittes 2016-6-6 20956 Modoc About 100 yards east of the Parking Area, about one mile south of the intersection of County Road 87 and Access Road to Pilot Butte Parking Area 3.8 miles (air) east of Lookout, 7.5 miles (air) west of Adin, Ash Creek State Wildlife Area. 1271 Comment
  RSA639394  Pilularia americana L. C. Wheeler 1935-8-22 3911 Modoc Devil's Garden: South Mt. Reservoir. 1524 Comment
  RSA176213  Pinus attenuata C. O. Stone 1963-12-26 275 Modoc On recent lava flow ca. 1 mile S of Gassaway Reservoir 1110 Comment
  CAS-BOT-BC73240  Pinus contorta subsp. murrayana A. D. Borden 1911-6-15 s.n. Modoc Head of middle fork of Davis Creek. Comment
  UC1612283  Pinus contorta subsp. murrayana Mrs. M. H. Manning 1905-1-1 Modoc Comment
  CAS-BOT-BC73168  Pinus jeffreyi Elmer I. Applegate 1932-8-4 8143 Modoc About 3 miles above Cantral Mill, Cherry Creek, on road to Mill Creek Meadows, Warner Mountains. 2133 Comment
  SEINET11737408  Pinus monticola M. Ownbey, Meyer, F. G. 1940-1 2153 Modoc near summit of Clear Peak, Warner Mountains Comment
  UC1713800  Pinus ponderosa W. P. Taylor 1910-6-26 2027 Modoc Parker Creek; Warner Mts. 1676 Comment
  CAS-BOT-BC21500  Pinus washoensis Bruce Bartholomew 1994-7-2 6821 Modoc Just N of South Fork of Davis Creek near the crest of the Warner Mountains. 2300 Comment
  CDA602  Pinus washoensis T. C. Fuller 1971-7-14 19904 Modoc Warner Mountains; Patterson Guard Station, southern Warner Mtns. 0 Comment
  NY63477  Pinus washoensis B. M. Bartholomew 1990-8-5 5664 Modoc Summit Trail, ca. 2 km. north of Patterson Ranger Station, west side of Warner Mountains 2400 Comment
  SEINET5323925  Pinus washoensis D. A. Charlet, Terri Charlet 1996-7-1 2285 Modoc South Warner Mtns., ca. 1 road mile E of Patterson Guard Station; above East Creek. 2213 Comment
  CAS-BOT-BC228007  Plagiobothrys Roxana S. Ferris; Rena Duthie 1919-6-15 429 Modoc By railroad tracks, Davis Creek Comment
  RSA0039536  Plagiobothrys cusickii Lowell A. Ahart, John Dittes 2012-7-11 18332 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
  UC711884  Plagiobothrys hispidulus Roxana S. Ferris and Laura Lorraine 1941-8-13 10559 Modoc Patterson Ranger Station (East Creek drainage) Warner Mountains, Modoc National Forest 2164 Comment
  CAS-BOT-BC58788  Plagiobothrys hispidus John Thomas Howell 1934-6-13 12067 Modoc Fandango Pass. 1828 Comment
  POM204137  Plagiobothrys hispidus J. T. Howell 1934-6-13 12067 Modoc Fandango Pass, Warner Mountains. 1829 Comment
  CHSC85131  Plagiobothrys leptocladus John Dittes; Josephine Guardino 1991-7-21 413 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
  UC1587084  Plagiobothrys mollis G. Schoolcraft 1991-6-18 2163 Modoc w of Highway 299 about 4 mi ne Adin 1304 Comment
  UCD120859  Plagiobothrys mollis Herbert L. Mason; Verne Grant 1947-7-12 13395 Modoc By Jones' Lane, off Highway 395, several miles south of Alturas. Comment
  CAS-BOT-BC58727  Plagiobothrys mollis var. mollis Elmer Ivan Applegate 1929-7-27 6085 Modoc Clear Lake Dam, N side of Clear Lake. Comment
  CAS-BOT-BC58744  Plagiobothrys scouleri John Thomas Howell 1934-6-15 12186 Modoc Alturas. Comment
  CAS-BOT-BC58754  Plagiobothrys scouleri Beecher Crampton 1960-6-17 5697 Modoc McKay Flat, ca. 13 mi. W of Canby. 1280 Comment
  POM260097  Plagiobothrys scouleri var. hispidulus C. L. Hitchcock 1940-5-27 6686 Modoc 15 miles northeast of Alturas. 1616 Comment
  RSA59935  Plagiobothrys scouleri var. hispidulus E. K. Balls 1950-5-13 14667 Modoc Goose Lake, east shore, near Willow Ranch. 1463 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
  RSA325725  Plagiobothrys stipitatus var. micranthus A. Tiehm, Gary Schoolcraft, Jan Nachlinger 1984-6-24 8798 Modoc Surprise Valley, east side of Middle Alkali Lake, east of Cedarville. 1357 Comment
  CAS-BOT-BC58771  Plagiobothrys tenellus Bruce Bartholomew; Barrett Anderson 1989-6-3 4918 Modoc 9 km W of County Route 91 along the N side of the Pit River. 1340 Comment
  CAS-BOT-BC242219  Platanthera dilatata var. leucostachys Elmer Ivan Applegate 1932-8-7 8230 A Modoc Field redacted by CAS, contact the data manager for more information Comment
  CAS-BOT-BC242220  Platanthera dilatata var. leucostachys Leland S. Smith 1917-7-24 122 Modoc Field redacted by CAS, contact the data manager for more information 1828 Comment
  CAS-BOT-BC242222  Platanthera hyperborea R. M. Austin 1885-8-1 s.n. Modoc Field redacted by CAS, contact the data manager for more information Comment
  UC429330  Platanthera leucostachys M. F. Gilman 540 Modoc 1981 Comment
  UC673581  Platanthera leucostachys F. H. Frost 1925-7-12 57 Modoc Stowe's Meadow, halfway up Cedar Canyon Warner Mts., Cedar Canyon Comment
  RSA504629  Platanthera stricta Bruce Bartholomew, B. Anderson 1988-6-24 4342 Modoc Cave Lake, W side of the Warner Mountains. 2130 Comment
  CAS-BOT-BC136651  Platanthera stricta Elmer I. Applegate 1932-7-7 8223 Modoc Field redacted by CAS, contact the data manager for more information Comment
  POM68546  Plectritis congesta subsp. brachystemon R. M. Austin 1895-05 415 Modoc Goose Lake. Comment
  CAS-BOT-BC245390  Plectritis macrocera Bruce Bartholomew; M; M. Gilbert; L. E. Skog 1993-5-12 6515 Modoc Ca. 1 km W of Adin on road to Lookout. 1280 Comment
  CAS-BOT-BC245397  Plectritis macrocera Lindsay Stuart Smith; E. H. Steffen 1917-5-26 9 Modoc West Valley camp. 1554 Comment
  JEPS26657  Plectritis macrocera Lauramay T. Dempster 1961-6-19 1708 Modoc middle fork Davis Creek, e of Davis Creek (town) Davis Creek 1645 Comment
  JEPS5937  Plectritis macrocera Frances D. Payne 1931-6-22 244 Modoc s and e of Alturas (Warner Mountains, Dry Creek, northern tributary of Parker Creek); Warner Mountains, Dry Creek 1828 Comment
  RSA296258  Plectritis macrocera subsp. grayi R. M. Austin 1895-05 415 Modoc Goose Lake. Comment
  POM319516  Poa Patricia Wilder 1971-6-20 5080 Modoc North part of Egg Lake (now a meadow), northwest of Lookout; north of Bieber and California State Highway 299; Modoc National Forest. Cascades Mt. Range. 1372 Comment
  SD96114  Poa cusickii Jack L. Reveal 1976-6-2 1839 Modoc Modoc National Forest near Perez 1280 Comment
  CAS-BOT-BC247622  Poa leptocoma Elmer Ivan Applegate 1932-8-2 8084 Modoc Mill Creek Meadows, Warner Mts. 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
  UCD91855  Poa pratensis J. E. Coke 1932-11-1 s.n. Modoc Modoc County. Comment
  CAS-BOT-BC247619  Poa pratensis subsp. pratensis Bruce Bartholomew; Barrett Anderson 1990-7-19 5424 Modoc Top of Hunters Ridge S of Rush Creek. 1960 Comment
  CHSC112686  Poa pratensis subsp. pratensis Lowell Ahart; John Dittes, Todd Sloat 2013-6-8 18767 Modoc Meadow, about 300 yards northeast of the Parking Area, northeast of the old barn, Ash Creek State Wildlife Area, about 3.9 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  UC1025064  Poa pratensis subsp. pratensis Leo Whitney 1935-7-21 3562 Modoc 15 mi w Canby (Happy Camp); Modoc Nat'l Forest 1463 Comment
  UC1925917  Poa pratensis subsp. pratensis Annie Alexander and Louise Kellogg 1946-6-18 4793 Modoc Same loc. as on June 14 Comment
  POM203474  Poa secunda J. T. Howell 1934-6-14 12172 Modoc Near Lost Lake, Warner Mts. 2439 Comment
  SD107345  Poa secunda Christopher Davidson 1975-6-4 2603 Modoc 0.4 mi E of Hwy 395 on Hwy 299 twd Cedarville, fenced pasture on S side of road 1378 Comment
  UCD32727  Poa secunda subsp. juncifolia Beecher Crampton 1954-7-7 2166 Modoc 2.5 miles E of Alturas, near radio station KCNO. Comment
  UCD92166  Poa secunda subsp. juncifolia Beecher Crampton 1954-7-6 2085 Modoc 4 miles N of Likely, along US Hwy 395. Comment
  UCD92398  Poa secunda subsp. juncifolia L. S. Smith 1918-8-18 1042 a Modoc Bear Mt. Ridge. Comment
  UCD92437  Poa secunda subsp. juncifolia E. Wilson 1935-5-14 s.n. Modoc W side of pass toward Alturas. Comment
  UC1132566  Poa secunda subsp. juncifolia Leo Whitney 1935-7-15 Modoc near Bull's Eye Lake Comment
  CHSC52703  Poa secunda subsp. secunda James Jokerst 1983-5-31 1804 Modoc Near Signal Butte. 1340 Comment
  UC1024928  Poa secunda subsp. secunda Leo Whitney 1935-6-29 3350 Modoc ca 15 mi nw Canby (Lake Joaquina, Hackamore); Modoc Nat'l Forest 1463 Comment
  UC535950  Poa secunda subsp. secunda Elmer I. Applegate 1927-4-24 5004 Modoc Modoc Battle Ground; Modoc Lava Beds Comment
  UCD90789  Poa secunda subsp. secunda Beecher Crampton; Carl Rimbey 1954-7-6 2105 Modoc 20 miles E of Alturas. Warner Mountains. Above Shields Creek. Comment
  CAS-BOT-BC247656  Poa wheeleri Bruce Bartholomew; Barrett Anderson 1990-7-20 5501 Modoc Tamarack Flat, E side of Warner Mts. 2150 Comment
  CAS-BOT-BC252515  Poa wheeleri Bruce Bartholomew 1991-6-20 5789 Modoc Top of Fox Mountain, ca. 10 airline km NW of Adin. 1900 Comment
  CAS-BOT-BC252521  Poa wheeleri Bruce Bartholomew; Barrett Anderson 1990-7-20 5544 Modoc N edge of Howard Flat, W side of Warner Mts. 2000 Comment
  CHSC109463  Poa wheeleri L. P. Janeway; B. Castro 2012-7-26 11016 Modoc Warner Mountains. Top of Yellow Mountain; topmost part and western edge (at the edge of a steep dropoff to the northwest). 2463 Comment
  HSC65256  Poa wheeleri J. P. Smith, J. O. Sawyer 1973-8-8 7222 Modoc Near summit of Eagle Peak 2988 Comment
  CAS-BOT-BC252514  Poa wheeleri John H. Hatton 1911-6-10 30 Modoc Modoc County. 1371 Comment
  CAS-BOT-BC179353  Pogogyne floribunda Bruce Bartholomew 1991-7-5 5932 Modoc Cow Head Tank, ca. 6 km NW of Dorris Brothers Reservoir. 1520 Comment
  CAS-BOT-BC95162  Polanisia dodecandra subsp. trachysperma John Thomas Howell 1934-6-13 12089 Modoc Surprise Valley, 3 mi N of Eagleville. Comment
  CAS-BOT-BC95165  Polanisia dodecandra subsp. trachysperma Leland S. Smith 1918-9-29 1057 Modoc Granger Canyon, Suprise Valley. 1676 Comment
  JEPS28838  Polemonium micranthum Lincoln Constance and Emil DiFulvio 1962-4-16 3748 Modoc open slope 3.2 mi n Likely 1310 Comment
  CAS-BOT-BC197850  Polemonium occidentale Leland S. Smith 1920-8-10 20 Modoc Mill Creek Meadows. 2087 Comment
  CAS-BOT-BC197857  Polemonium occidentale Bruce Bartholomew 1991-8-6 6086 Modoc S Emerson Trail at stream between S Fork of Emerson Creek and Bearcamp Trail, Warner Mts. 2130 Comment
  UC1036075  Polemonium pulcherrimum subsp. pulcherrimum Annie M. Alexander and Louise Kellogg 1946-8-1 5106 Modoc n slope Eagle Peak , n slope Eagle Peak (Warner Mountains) Comment
  CHSC67353  Polyctenium fremontii James D. Jokerst 1986-8-11 2763 Modoc Radar Site Survey S of Doublehead Mtn., unnamed dry lake ca. 1.2 mi WNW of Rimrock Lake. Comment
  UC1037294  Polyctenium fremontii Leo Whitney 1934-4-29 1662 Modoc Dry creek bed near Hockamore (Modoc National Forest); , near Hockamore 1463 Comment
  UC1563901  Polyctenium fremontii Barbara Ertter 1988-6-18 7617 Modoc 1 mi s of s junction to Lava Beds National Monument (e of Tonesta, Highway 139 ca 50 airmi sw of Klamath Falls, a few mi n of Agric. Inspection Station); e of Tonesta, s of s jct to Lava Beds National Monument 1310 Comment
  JEPS13802  Polyctenium fremontii L. S. Smith 1917-5-27 780 Modoc along road to Jess Valley; West Valley 1524 Comment
  CAS-BOT-BC58452  Polyctenium fremontii var. fremontii Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-10 6478 Modoc 3.4 km SW of Nevada border on Barrel Spring Road, N end of Surprise Valley. 1680 Comment
  JEPS49470  Polygonum Louis C. Wheeler 1935-8-25 3919 Modoc Rim Rock Valley Reservoir, Devil's Garden, Mt. Diablo Mer. Devil's Garden; Rim Rock Valley Reservoir, Devil's Garden 1524 Comment
  JEPS86717  Polygonum John Hale 1990-7-10 Modoc 16 mi wnw of Canby (adjacent to CA Highway 139, near concrete spillway of water project, w Modoc County) Comment
  UC1332133  Polygonum Alice Eastwood, John Thomas Howell 1940-6-14 Modoc 8 mi nw of Canby Comment
  NY404673  Polygonum austiniae R. M. Austin 1886-1 s.n. Modoc Comment
  CAS-BOT-BC218107  Polygonum aviculare Herbert Louis Mason; Verne Grant 1947-7-18 8043 Modoc Eastside Canal, 5 mi N of Bayley's bridge, S of Alturas. Comment
  CAS-BOT-BC218106  Polygonum aviculare John H. Hatton 1911-6-14 86 Modoc unspecified Comment
  RSA599749  Polygonum aviculare Louis C. Wheeler 1935-8-26 3922 Modoc Modoc Plateau: 1 mi. northwest of Mud Lake, Devil's Garden. 1524 Comment
  JEPS50501  Polygonum bistortoides Frances D. Payne 1929-7-7 64 Modoc 2 mi sw Mt. Warren (se Modoc Co.); Pine Creek Basin 2133 Comment
  UC526134  Polygonum douglasii subsp. douglasii John Thomas Howell 1934-6-30 12276 Modoc Duncan Horse Camp Comment
  CAS-BOT-BC27103  Polygonum esotericum Louis Cutter Wheeler 1935-8-25 3918 Modoc Rim Rock Valley Reservoir, Devils Garden. Modoc National Forest 1524 Comment
  NY323762  Polygonum esotericum L. C. Wheeler 1935-8-25 3918 Modoc Rim Rock Valley Reservoir, Devil's Garden; (Mt. Diablo Mer.) 1524.0 Comment
  CDA22825  Polygonum lapathifolium T. C. Fuller 1958-8-12 2070 Modoc Corporation Ranch, Likely. 0 Comment
  CDA2776  Polygonum persicaria T. C. Fuller 1958-7-8 1958 Modoc Corporation Ranch, Likely. 0 Comment
  CAS-BOT-BC218164  Polygonum polygaloides Bruce Bartholomew; Barrett Anderson 1989-6-3 4851 Modoc 6.4 km N of State Hwy 299 on Crowder Flat Road and ca. 5.5 km S of Big Sage Reservoir. 1550 Comment
  RSA518941  Polygonum polygaloides Bruce Bartholomew, B. Anderson 1988-6-23 4244 Modoc 4.2 kim NW of Day. 1020 Comment
  CAS-BOT-BC218168  Polygonum polygaloides subsp. confertiflorum Mrs. H. C. Cantelow 1940-6-2 Modoc About 10 mi NW of Canby. Comment
  UC1025105  Polygonum polygaloides subsp. confertiflorum Leo Whitney 1934-5-25 1963 Modoc dry creek bed near Hockamore; Modoc National Forest 1463 Comment
  UC1971321  Polygonum polygaloides subsp. confertiflorum Louis C. Wheeler 1973-8-22 Modoc DEVILS GARDEN: Ca. 1/4 mile southwest of Big Sage Reservoir. Comment
  UC1112255  Polygonum polygaloides subsp. confertiflorum R. C. Bacigalupi with S. Galen Smith 1957-6-27 5982 Modoc along State Hwy 139 ca 9 mi nw Canby 1493 Comment
  UC6711  Polygonum polygaloides subsp. confertiflorum Mrs. R. M. Austin June, 1894 Modoc lava beds w Willow Creek Comment
Read comments Jul 6 2010
  CAS-BOT-BC218179  Polygonum polygaloides subsp. esotericum Louis Cutter Wheeler 1935-8-25 3919 Modoc Rim Rock Valley Reservoir, Devil's Garden. 1524 Comment
  CAS-BOT-BC27102  Polygonum polygaloides subsp. esotericum Louis Cutter Wheeler 1935-8-25 3918 Modoc Rim Rock Valley Reservoir, Devils Garden. Modoc National Forest 1524 Comment
  CAS-BOT-BC6535  Polygonum polygaloides subsp. esotericum Louis Cutter Wheeler 1935-8-25 3918 Modoc Rim Rock Valley Reservoir, Devils Garden 1524 Comment
  CHSC67590  Polygonum polygaloides subsp. esotericum James D. Jokerst 1990-8-2 3213 Modoc Hwy. 139 NW of Canby, 5.3 mi W of junction with Loveness Rd. Comment
  JEPS98247  Polygonum polygaloides subsp. esotericum R. E. Preston 2000-7-19 1420 Modoc 8 mi NW of Canby (on N side of Hwy 139; ca 0.9 mi w of FSR 46N10) 1508 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
  UCR142913  Polygonum polygaloides subsp. esotericum L. C. Wheeler 1935-8-25 3919 Modoc Devil's Garden; Rimrock Valley Reservoir 1524 Comment
  JEPS48052  Populus tremuloides Frances D. Payne 1931-7-5 326 Modoc s and e of Alturas (Warner Mountains, Parker Creek); Warner Mountains, Parker Creek 1584 Comment
  UC1134800  Populus tremuloides R. C. Wilson 1933-6-16 65 Modoc Rush Creek; Modoc National Forest, Alturas Quad., Rush Creek Comment
  JEPS77520  Porterella carnosula L. R. Heckard with T. I. Chuang and R. C. Bacigalupi 1978-7-19 4888 Modoc about 3 mi sw Patterson Ranger Station (just n of Lassen County line); Warner Mts. 2011 Comment
  SEINET10460821  Porterella carnosula Mason 1947-8-12 Mason 13502 -a Modoc Comment
  SEINET10939152  Porterella carnosula Mcmillan 1949-6-16 MCMILLAN 1534 Modoc In marsh 3 mi. south of Crowder Flat, north central Modoc Co., about 7 mi. south of the Oregon border Comment
  CAS-BOT-BC242250  Potamogeton epihydrus Verne Grant; I. Schneider 1947-7-21 8127 Modoc North Fork of Pit River by bridge on Hwy 395, N of Alturas. Comment
  CAS-BOT-BC242237  Potamogeton gramineus Milo Samuel Baker 1899-8-18 s.n. Modoc Egg Lake Comment
  CAS-BOT-BC242230  Potamogeton nodosus Robert Folger Thorne; et al 1969-9-4 39129 Modoc N Fork of Pit River 3.4 mi. N of Alturas where crossed by Hwy 395. 1341 Comment
  SEINET5335355  Potamogeton nodosus M. S. Baker 1899-8-24 s.n. Modoc In Pit River at Lookout Comment
  UC1536814  Potamogeton pectinatus Gordon H. True Jr. 1939-7-21 1008 Modoc Jack Swamp near Alturas; Jack Swamp Comment
  CAS-BOT-BC242227  Potamogeton pusillus Herbert Louis Mason; Verne Grant 1947-7-11 13382 Modoc Road from Likely to Jess Valley, ca. 1 mi. E of Likely. Comment
  CAS-BOT-BC242226  Potamogeton richardsonii Verne Grant; I. Schneider 1947-7-18 8053 Modoc 1.4 mi. N of Bayle's bridge, S of Alturas. Comment
  CAS-BOT-BC242273  Potamogeton richardsonii Milo Samuel Baker 1899-8-24 s.n. Modoc Pit River, at Lookout. Comment
  POM182450  Potamogeton richardsonii Milo S. Baker 1899-8-24 s.n. Modoc In Pit River at lookout. Comment
  CAS-BOT-BC214794  Potentilla gracilis E. S. Willits 1940-5-17 262 Modoc Willow Ranch. Comment
  UC1594792  Potentilla gracilis David Charlet 1989-8-15 499 Modoc 1 km nw Eagle Peak (Upper Slide Creek); South Warner Mountains, Upper Slide Crk, nw of Eagle Pk 2550 Comment
  HSC18745  Potentilla gracilis var. fastigiata M. T. Milligan 1964-7-1 102 Modoc Rattlesnake Butte Rd. at Pit River. 1372 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
  UC639591  Potentilla gracilis var. flabelliformis Frances Payne 1931-7-4 319 Modoc Parker Creek Warner Mountains. 1584 Comment
  UC73025  Potentilla gracilis var. flabelliformis Milo S. Baker Aug 1898 513 Modoc Forestdale Comment
  UC73029  Potentilla gracilis var. flabelliformis Milo S. Baker Aug, 1890 519 Modoc Forestdale Comment
  POM33919  Potentilla gracilis var. flabelliformis R. M. Austin 1890-07 523 Modoc Goose Lake. Comment
  POM98605  Potentilla gracilis var. flabelliformis F. W. Peirson 1926-6-25 6883 Modoc 1 mile east of summit of Cedarville Road, Warner Mountains Comment
  CAS-BOT-BC143313  Potentilla newberryi Verne Grant; Irving Schneider 1947-8-27 8313 Modoc Southwest end of Clear Lake Comment
  CAS-BOT-BC214798  Potentilla newberryi John Thomas Howell 1934-7-2 12356 Modoc Nigger Ben Spring, SE end of Clear Lake. Comment
  UC1736228  Potentilla newberryi Dean W. Taylor 1987-8-9 9279 Modoc margin of stock pond in T48N R6E SE1/4 Section 15 1371 Comment
  CAS-BOT-BC225020  Poteridium annuum Mrs. H. C. Cantelow 1940-6-1 3466 Modoc 32.7 mi. N of Alturas, Hwy 395. 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-BC225032  Poteridium annuum Leland S. Smith 1918-6-14 936 Modoc Buck Creek Ranger Station & Willow Creek. 1676 Comment
  CHSC85141  Poteridium annuum John Dittes; Josephine Guardino 1991-7-21 396 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-BC225030  Poteridium annuum Roxana Stinchfield Ferris; R. Duthie 1919-6-15 156 Modoc Parker Creek, Warner Mts. Comment
  HSC42460  Prunus andersonii Barbara Kelly 1977-8-9 553 Modoc Ash Creek Campground Comment
  UCD113166  Prunus andersonii Louis C. Wheeler 1935-8-6 3797 Modoc town of Pine Creek. 1493 Comment
  CAS-BOT-BC214809  Prunus emarginata P. Monnet 1913-7-1 895 Modoc Warner's Range. Comment
  RSA504650  Prunus emarginata Bruce Bartholomew 1988-7-23 4600 Modoc Pine Creek, 1km E of U.S. Hwy. 395 on the road to Lily Lake, Warner Mountains. 1550 Comment
  CAS-BOT-BC214823  Prunus subcordata Bruce Bartholomew; Barrett Anderson 1989-4-27 4610 Modoc 2.1 km SSE of Day on road to State Highway 299. 1020 Comment
  JEPS117363  Prunus subcordata Lowell Ahart, John Dittes 2010-8-30 17062 Modoc Around a large rock, near the homestead, about 100 yards east of the fence, Ash Creek State Wildlife Area, 2300 feet north of Lassen County line, 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley 1267 Comment
  RSA101376  Prunus subcordata R. Weatherby 1955-7-8 1630 Modoc Warner Mtns. 6 miles N of Ft. Bidwell. 1646 Comment
  RSA59972  Prunus subcordata E. K. Balls 1950-5-13 14679 Modoc W of Goose lake. 1/2 mile S of Oregon-California state line. 1463 Comment
  NY849524  Prunus virginiana L. S. Rose 1940-6-13 40554 Modoc Fandango Pass 1905 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
  SJSU9683  Prunus virginiana var. demissa W. Savage 1979-7-26 1573 Modoc Long Meadow Unit, Devils Garden Ranger District, Modoc National Forest 1584 Comment
  CAS-BOT-BC239794  Pseudoroegneria spicata B. Bartholomew; B. Anderson 1990-7-20 5491 Modoc 10.3 km N of Buck Creek Ranger Station, crest of Warner Mountains W side of Warner Mts. 2130 Comment
  UCD32717  Pseudoroegneria spicata Beecher Crampton 1954-7-7 2149 Modoc Modoc County, 3 miles west of Cedarville, east side of Cedar Pass, on volcanic slopes. 1615 Comment
  UCD91509  Pseudoroegneria spicata J. C. Hayes 1935-6-25 s.n. Modoc Alturas. Comment
  UCD91518  Pseudoroegneria spicata R. Tofsrud 1947-7-1 210 Modoc Between Alturas and Cedarville. Comment
  UC1024942  Pseudoroegneria spicata subsp. spicata Leo Whitney 1935-7-2 3329 Modoc 17 mi nw of Canby (Badger Wells); Badger Wells Comment
  UC1025002  Pseudoroegneria spicata subsp. spicata Leo Whitney 1935-7-11 3460 Modoc 15 mi nw of Canby (Modoc National Forest, Hackamore); Modoc National Forest, Hackamore 1463 Comment
  UC188857  Pseudoroegneria spicata subsp. spicata Milo S. Baker Modoc near Forestdale Comment
  CAS-BOT-BC95223  Pseudostellaria jamesiana Margaret J. Williams 1984-6-28 84- 67 -3 Modoc 2 mi. N of intersection between Soldier Creek and Old Cannon Mill road, Warner Mts., N of Cedar Pass. 2057 Comment
  CAS-BOT-BC95225  Pseudostellaria jamesiana Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-13 16455 Modoc Near summit of Fandango Pass, Warner Mts. Comment
  NY1083696  Pseudostellaria jamesiana B. M. Bartholomew 1990-6-17 5302 Modoc Vicinity of Emerson Camp near roadhead, East side of Warner Mountains 1750 Comment
  JEPS30615  Psilocarphus oregonus Peter H. Raven and Otto T. Solbrig 1958-6-18 13321 Modoc 8.8 mi s Happy Camp Guard Station; Modoc National Forest 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
  RSA233734  Pterospora andromedea R. F. Thorne, C. W. Tilforth, K. Thorne 1969-9-5 39153 Modoc Near Mill Creek Falls. Modoc Nataional Forest, Warner Mts. 1753 Comment
  UCD32739  Puccinellia distans Beecher Crampton 1954-7-8 2192 Modoc Modoc County, 3 miles west of Alturas, along US highway 299. Comment
  UCD91528  Puccinellia distans B. Crampton 1954-7-8 2188 Modoc Extension of 4th St. 1.5 miles west of Alturas. Comment
  UCD32738  Puccinellia nuttalliana Beecher Crampton 1954-7-8 2191 Modoc Modoc County, 3 miles west of Alturas, along US highway 299. Comment
  SEINET3157320  Purshia tridentata E. K. Balls 1950-5-21 14822 Modoc S Fork Public Camp, S Fork Pit River 1478 Comment
  CAS-BOT-BC218240  Purshia tridentata var. tridentata Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-15 16495 Modoc SE flank of Glass Mt., near Modoc-Siskiyou County line. Comment
  UC1128536  Purshia tridentata var. tridentata R. C. Wilson 1933-6-7 41 Modoc Pothole Gulch; Modoc National Forest, Canby Quad. 1310 Comment
  UC467826  Purshia tridentata var. tridentata B. C. Goldsmith 1910-1 Modoc Alturia Comment
Read comments Aug 27 2007
  UC71558  Purshia tridentata var. tridentata Mrs. M. H. Manning 1902-9-15 3 Modoc near Fort Bidwell (ne Modoc County) Comment
  POM90212  Purshia tridentata var. tridentata R. M. Austin 1895-06 54 Modoc Goose Lake. Ross Canyon. Comment
  CAS-BOT-BC95688  Pyrola picta K. Paulson; Robert Paulson 1988-7-13 78 Modoc Clear Lake area, Warner Mts.. Comment
  SEINET195664  Pyrola picta Unknown 1946-8-8 5119 Modoc Seen at the end of the Portal Reservation Road. Deep Creek Canyon. Warner Mountains Comment
  UC412728  Pyrola picta Milo S. Baker 1898-7-1 536 Modoc Forestdale Comment
  UC748277  Pyrola picta Annie M. Alexander and Louise Kellogg 1946-8-8 5119 Modoc Warner Mountains, Deep Creek Canyon, (seen) at the end of Portal Reservation Road Deep Creek Canyon; Warner Mountains, Deep Creek Canyon Comment
  CAS-BOT-BC50398  Pyrrocoma carthamoides var. cusickii John Thomas Howell 1934-6-12 11987 Modoc 9 mi. S of Davis Creek. Comment
  CHSC115492  Pyrrocoma carthamoides var. cusickii L. P. Janeway 2014-7-8 11458 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
  JEPS19220  Pyrrocoma carthamoides var. cusickii W. L. Jepson 1918-8-14 7986 Modoc Jess Valley 1584 Comment
  JEPS85653  Pyrrocoma carthamoides var. cusickii L. R. Heckard, T. I. Chuang, and R. Bacigalupi 1974-7-24 6768 Modoc 3.5 mi n Cedar Pass (along forest service road); Warner Mts. 2042 Comment
  JEPS89745  Pyrrocoma hirta var. hirta Dean Wm. Taylor with Glenn L. Clifton 1989-8-6 10501 Modoc w. shore Lower Lake (marshes bordering outflow channels from small warm springs); Surprise Valley, Lower Lake 1363 Comment
  RSA606139  Pyrrocoma lanceolata L. C. Wheeler 1935-9-27 4008 Modoc Pease Flat, Devil's Garden. 1524 Comment
  UC86554  Pyrrocoma lanceolata var. lanceolata Mrs. R. M. Austin Aug 1894 137 Modoc hills near Alturas Comment
  CAS-BOT-BC50361  Raillardella argentea Bruce Bartholomew 1991-8-5 6066 Modoc Spring NE of Cottenwood Lake along Summit Trail from Squaw Peak to Patterson Lake, Warner Mts. 2580 Comment
  HSC81122  Raillardella argentea G. M. Riegel 1980-8-20 1080 Modoc South Warner Mtns. 1829 Comment
  UC1731507  Ranunculus alismifolius Dean W. Taylor 1992-5-8 12567 Modoc 0.5 mi e of Moonlite Mines (Warner Mountains, Mount Bidwell); Warner Mountains, Mount Bidwell 2432 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
  SEINET5338403  Ranunculus aquatilis E. K. Balls 1950-5-18 14765 Modoc Just south of Adin, in city limit, by turn to Madeline off Hwy. 299. 1280 Comment
  CAS-BOT-BC379161  Ranunculus aquatilis var. aquatilis Clare R. Wheeler; Gladys L. Smith 1981-6-24 2570 Modoc Mendocino National Forest, Lily Pad Lake, 1 mi below and SE of Mount Sanhedrin Lookout 1646 Comment
  CAS-BOT-BC379170  Ranunculus aquatilis var. aquatilis Clare R. Wheeler 1983-6-1 3414 Modoc 1 mi NW of Leonard Lake, about 15 mi NW of Ukiah; growing in tiny vernal pool between barn and main entry road to Leonard Lake 488 Comment
  POM275142  Ranunculus aquatilis var. capillaceus A. M. Alexander 1946-7-7 4921 Modoc Pond W Lake Annie. Comment
  RSA399370  Ranunculus aquatilis var. capillaceus George Willet 1935-6-12 s.n. Modoc [Unspecified] Comment
  UC1101362  Ranunculus aquatilis var. capillaceus Herbert L. Mason and Verne Grant 1947-7-11 13378 Modoc downstreamn from Jess Valley (by Forest Service Camp site); South Fork of Pit River Comment
  CAS-BOT-BC217229  Ranunculus cymbalaria Bruce Bartholomew 1995-6-3 6949 Modoc Just S of the Oregon border at the shore of Goose lake. 1400 Comment
  NY494386  Ranunculus cymbalaria L. C. Wheeler 1935-8-3 3769 Modoc Pine Creek, Warner Mountains 1554.5 Comment
  UC480945  Ranunculus cymbalaria var. saximontanus W. P. Taylor and H. C. Bryant 1910-7-13 Modoc Head N. Fork Parker Cr. Warner Mountains 2225 Comment
  CAS-BOT-BC217239  Ranunculus flabellaris Alice Eastwood; John Thomas Howell 1940-6-12 8080 Modoc Jess Valley. Comment
  CHSC65827  Ranunculus glaberrimus J. Ingraham 1995-4-16 15 Modoc 7.5 mi S of Davis Creek, 100 yds E of Hwy 395. 1438 Comment
  UC1178908  Ranunculus glaberrimus Herbert L. Mason 1949-4-16 13999 Modoc summit of grade between Madeline Plain and Likely Comment
Read comments Jun 2 2009
  RSA59654  Ranunculus glaberrimus var. ellipticus E. K. Balls 1950-5-12 14636 Modoc above Bucks Creek Ranger Station, Modoc National Forest; east of Goose Lake. 1768 Comment
  CAS-BOT-BC217244  Ranunculus glaberrimus var. glaberrimus Bruce Bartholomew 1993-4-3 6404 Modoc Adjacent to Turner Creek at County Rd 90, N end of Big Valley, 6.4 km N of Lassen County border. 1300 Comment
  CAS-BOT-BC217245  Ranunculus glaberrimus var. glaberrimus F. Angwin 1946-4-21 Modoc Stone Coal Canyon, near Adin. 1280 Comment
  HSC18213  Ranunculus glaberrimus var. glaberrimus M. T. Milligan 1964-3-29 Modoc 5 mi. W of Alturas on Centerville Rd. 1372 Comment
  SJSU5142  Ranunculus glaberrimus var. glaberrimus A. G. Gunderson 1970-3-28 Modoc near Likely, 20 mi S of Alturus 1524 Comment
  JEPS86347  Ranunculus occidentalis Jack and Betty Guggolz 963 Modoc w Jenkins Comment
  UC615121  Ranunculus occidentalis Beryl O. Schreiber 1934-6-10 1160 Modoc Lost Lake Warner Mountains (marsh) Comment
  UC9479  Ranunculus occidentalis Milo S. Baker 1893-6-10 Modoc Comment
  CAS-BOT-BC217212  Ranunculus occidentalis var. ultramontanus John Thomas Howell 1934-6-11 11965 Modoc Parker Creek, Warner Mts. 1584 Comment
  POM275141  Ranunculus occidentalis var. ultramontanus A. M. Alexander, Louise Kellogg 1946-6-7 4673 Modoc 0.5 miles E of Cedarville. 1454 Comment
  POM269466  Ranunculus oxynotus Elmer I. Applegate 1932-8-1 8047 Modoc Arid rocky E slope of Warren Peak, Warner Mts. Comment
  CAS-BOT-BC217194  Ranunculus sceleratus R. F. Thorne; J. Henrickson; C. W. Tilforth 1969-9-4 39092 Modoc N Fork of pit River, 3.4 mi. N of Alturas where crossed by Hwy 395 1341 Comment
  UCR49699  Ranunculus sceleratus L. C. Wheeler 1935-8-3 3762 Modoc Warner Mtns, Rock Lake, Pine Creek 1921 Comment
  CAS-BOT-BC217195  Ranunculus sceleratus var. multifidus Elmer Ivan Applegate 1897-6-5 968 Modoc Near Alturas. Comment
  CDA3494  Ranunculus testiculatus T. C. Fuller 1971-7-14 19908 Modoc Barber Grade at crossing with South Barber Creek. 0 Comment
  CAS-BOT-BC217160  Ranunculus uncinatus Roxana Stinchfield Ferris; R. Duthie 1919-6-15 177 Modoc Parker Creek near Modoc Nat. Forest Boundary. Comment
  CAS-BOT-BC217162  Ranunculus uncinatus Bruce Bartholomew 1992-5-16 6325 Modoc Lunsford Spring. 1600 Comment
  CAS-BOT-BC217166  Ranunculus uncinatus Elmer Ivan Applegate 1932-7-31 7973 Modoc Mill Creek Meadows, west slope of Warner Mts. Comment
  CAS-BOT-BC217167  Ranunculus uncinatus Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10547 Modoc Patterson Ranger Station (East Creek drainage), Warner Mts. Modoc National Forest 2164 Comment
  CHSC109476  Rhododendron columbianum L. P. Janeway; B. Castro 2012-7-27 11024 Modoc Warner Mountains. North-sloping meadow opening just above Mineral spring, 0.5 air km east of Yellow Mountain. 2361 Comment
  CAS-BOT-BC225857  Ribes aureum Elmer Ivan Applegate 1929-7-29 6089 Modoc N side of Clear Lake. Comment
  HSC20274  Ribes aureum M. T. Milligan 1966-5-14 616 Modoc E slope of eroded volcanic plateau 1677 Comment
  RSA59643  Ribes aureum E. K. Balls 1950-5-12 14650 Modoc Hillsides north of Bucks Creek Ranger station, Modoc National Forest. 1829 Comment
  CAS-BOT-BC225884  Ribes cereum Bruce Bartholomew; Barrett Anderson 1988-5-12 4107 Modoc S side of Egg Lake. 1300 Comment
  CAS-BOT-BC225888  Ribes cereum A. D. Borden 1911-5-20 Modoc Sugar Hill Comment
  RSA101498  Ribes cereum R. Weatherby 1955-7-7 1606 Modoc 7 mi. north of Ft. Bidwell. 1890 Comment
  RSA165508  Ribes cereum Clare B. Hardham 1961-6-20 7856 Modoc Cave Lake. 2134 Comment
  POM92109  Ribes cereum Mrs. R. M. Austin 1895-05 43 Modoc Ross Canyon Comment
  UCSB11458  Ribes cereum var. cereum Dearing, Hugh; Dearing, Margaret 1939-6-8 Modoc Pine Canon 1524 Comment
  UC75462  Ribes inerme var. inerme Milo S. Baker July, 1898 546 Modoc Forestdale Taylor Creek Comment
  CAS-BOT-BC225900  Ribes montigenum Margaret J. Williams 1984-6-29 84- 71 -2 Modoc Lily Lake, W side of Warner Mts. 2072 Comment
  CAS-BOT-BC225907  Ribes montigenum Elmer Ivan Applegate 1932-7-9 7581 Modoc North slope of Bidwell Mountain, Warner Mts. Comment
  NY455305  Ribes montigenum B. M. Bartholomew 1990-6-16 5261 Modoc West side of Pine Creek Basin, Warner Mountains 2200 Comment
  SEINET256217 Image available Ribes montigenum M. J. Williams 1984-6-29 84- 71 -2 Modoc West side of the Warner Mountains; Lily Lake 2073 Comment
  RSA0021948  Ribes montigenum A. M. Alexander, Louise Kellogg 1946-6-25 4822 Modoc Dismal Swamp, north end of Warner Mountains. 2256 Comment
  UCR270415  Ribes nevadense John F. Emmel 2000-8-2 1680 Modoc Modoc Plateau, north end Warner Mountains, upper part of Cave Lake Campground 2043 Comment
  UC75472  Ribes roezlii var. roezlii Milo S. Baker 1893-1 Modoc Forestdale. 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
  NY455560  Ribes viscosissimum G. Schoolcraft 1988-7-12 1824 Modoc Warner Mountains along Park Creek Road, 1 mile west of Pepperdine Camp 1950.7 Comment
  SEINET195338 Image available Ribes viscosissimum Annie M. Alexander, L Kellogg 1946-6-15 4772 Modoc Deep Creek 1981 Comment
  RSA0020908  Ribes viscosissimum C. L. Hitchcock 1940-5-27 6694 Modoc 15 miles NE of Alturas. 1616 Comment
  HSC28867  Rigiopappus leptocladus D. H. Norris, T. Nelson, S. Dowty 1971-6-23 19409 Modoc Along Hager Basin Rd. near Big Sage Reservoir. Comment
  JEPS53829  Rorippa W. L. Jepson 1918-8-12 7956 Modoc Jess Valley 1584 Comment
  UC1537632  Rorippa Gordon H. True Jr. 1939-7-21 1030 Modoc Jack Swamp Comment
  CDA34339  Rorippa austriaca E. Finley 1987-6-17 s.n. Modoc Big Valley; Jones Rd., off US 395, N of Likely. 0 Comment
  CAS-BOT-BC58411  Rorippa columbiae Dean William Taylor 1987-8-9 9280 Modoc Clear Lake Reservoir, on shore 100 m W of dam. 1371 Comment
  UC1576788  Rorippa columbiae Dean W. Taylor 1987-8-9 9280 Modoc on shore Clear Lake Reservoir 100 m w dam; on shore Clear Lake Reservoir 1371 Comment
  CAS-BOT-BC74419  Rorippa curvisiliqua Roxana S. Ferris; Rena P. Duthie 1919-6-14 169 Modoc Modoc National Forest Boundary. Parker Creek. Comment
  CAS-BOT-BC58453  Rorippa nasturtium-aquaticum Frederick H. Frost 1925-7-11 7 Modoc Cedar Canyon, 2 mi. above Cedarville, Warner Mts. Comment
  UC1191534  Rorippa nasturtium-aquaticum Verne Grant and Irving Schneider 1947-7-19 8078 Modoc in Pit Valley s Alturas (Williams Ranch, along Southern Pacific right-of-way near East Canal); Pit Valley s of Alturas Comment
  UC673336  Rorippa nasturtium-aquaticum F. H. Frost 1925-7-11 Modoc Cedar Canyon 2 mi above Cedarville (Warner Mts.); , Cedar Canyon, above Cedarville 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
  UC12886  Rosa gymnocarpa Mrs. R. M. Austin and Bruce July 1898 2347 Modoc Ross Canyon Comment
  CHSC99966  Rosa woodsii subsp. ultramontana Lowell Ahart; John Dittes 2008-8-26 15348 Modoc Southeast side of Rose Creek, 750 feet southwest of confluence of Rose Creek and Pit River, on the northwest side of unnamed road, 2660 feet east of intersection with County Road 85a, 9.3 miles (air) north-northeast of Lookout. 1276 Comment
  HSC80702  Rosa woodsii subsp. ultramontana G. M. Riegel 1979-8-25 688 Modoc South Warner Mtns. 1670 Comment
  CAS-BOT-BC218247  Rosa woodsii var. ultramontana Philip Alexander Munz 1951-9-14 16977 Modoc Jess Valley, 13 mi. E of Likely. 1630 Comment
  CAS-BOT-BC218251  Rosa woodsii var. ultramontana Isabelo T. Kelly 1930-1-1 41 Modoc Cedarville. Comment
  RSA749195  Rosa woodsii var. ultramontana A. Townesmith, K. M. Meyer 2007-9-16 213 Modoc Modoc National Forest, going E on Hwy 299, 5.1 miles from the start of NF. Lower, Cedar Creek interpretive trail. 1622 Comment
  SD46575  Rosa woodsii var. ultramontana Robert J. Weatherby 1955-7-8 1627 Modoc 5 miles north of Ft. Bidwell, no. Warner Mts. 1783 Comment
  UC1128612  Rosa woodsii var. ultramontana R. C. Wilson 1933-6-25 51 Modoc Rush Creek Modoc National Forest, Canby Quadrangle Comment
  UC12959  Rubus parviflorus Mrs. R. M. Austin and Bruce June 1898 Modoc Lake City Canyon Comment
  CAS-BOT-BC410936  Rumex acetosella J. F. Emmel 1968-7-15 82 Modoc 2 mi. E of town of Pine Creek, Warner Mts. Comment
  HSC17581  Rumex acetosella M. T. Milligan 1964-6-6 7 Modoc N side of Dorris Reservoir along shore 1372 Comment
  CAS-BOT-BC211340  Rumex crispus Bruce Bartholomew 1991-7-6 5964 Modoc Ash Creek Bird Santuary, 0.2 km N of Lassen County line on Modoc County Road 87A. 1260 Comment
  CAS-BOT-BC211347  Rumex lacustris Elmer Ivan Applegate 1936-5-4 10238 Modoc Lava Beds National Monument. Lake margin in Hospital Rock. Comment
  CDA22911  Rumex maritimus G. D. Barbe 1985-8-29 4248 Modoc West of Westside Road, South Fork of Pit River south of Alturas. 0 Comment
  CDA23186  Rumex occidentalis T. C. Fuller 1958-7-8 2031 Modoc 4 miles south of Pine Creek. 0 Comment
  UC1537645  Rumex occidentalis Gordon H. True Jr. 1939-7-7 1039 Modoc near Canby; Blacks Canyon Comment
  CAS-BOT-BC211314  Rumex salicifolius Bruce Bartholomew; Barrett Anderson 1990-7-19 5439 Modoc Sweagert Flat. 1860 Comment
  CAS-BOT-BC211315  Rumex salicifolius Bruce Bartholomew; Barrett Anderson 1990-7-20 5541 Modoc Buck Creek between Del Pratt Spring and Howard Flat, W side of Warner Mts. 1990 Comment
  RSA604003  Rumex salicifolius var. lacustris Louis C. Wheeler 1935-8-25 3914 Modoc Devil's Garden: Mud Lake. 1524 Comment
  CAS-BOT-BC211321  Rumex triangulivalvis Annie Montague Alexander; L. Kellogg 1946-8-3 5113 Modoc Head of Eagle Creek, Warner Mts. Comment
  CAS-BOT-BC95279  Sagina saginoides Bruce Bartholomew; Barrett Anderson 1990-7-21 5568 Modoc N Barber Creek, road from Surprise Valley to Patterson Ranger Station, E side of Warner Mts. 1710 Comment
  CAS-BOT-BC245205  Sagittaria cuneata Bruce Bartholomew 1995-7-30 7071 Modoc Drainage from Taylor Reservoir just E of junction of County roads 93 and 94. 1260 Comment
  CHSC32933  Sagittaria cuneata J. P. Smith; J. O. Sawyer 1973-8-9 7268 Modoc Blue Lake, Modoc National Forest. 1859 Comment
  UC567  Sagittaria cuneata Milo S. Baker 1893-7-25 Modoc Egg Lake 1219 Comment
  UC935795  Sagittaria cuneata Herbert L. Mason and Verne Grant 1947-7-12 13413 Modoc irrigation ditch near s end of west side road Pit River Valley s Alturas; Pit River Valley Comment
  JEPS17727  Sagittaria cuneata Rimo Bacigalupi with G. T. Robbins 1955-7-20 5389 Modoc about 4 mi s Cedarville (on western edge of Surprise Valley); western edge of Surprise Valley 1463 Comment
  CHSC109636  Sagittaria latifolia Lowell Ahart; John Dittes 2012-7-11 18336 Modoc Vernal pool like areas on the bottom of a gravel pit, north edge of the meadow, about 1/8 mile east of the parking area on the east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adam, about 8 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  SEINET11763433  Sagittaria latifolia E. I. Applegate 1929-1 6094 Modoc Clear Lake Dam, Clear Lake Comment
  CAS-BOT-BC225119  Salix boothii Bruce Bartholomew 1990-8-4 5624 Modoc Slope on N side of Pine Creek Basin on trail to Patterson Lake, W side of Warner Mts. 2430 Comment
  CAS-BOT-BC225120  Salix boothii Annie Montague Alexander; L. Kellogg 1946-6-25 4826 Modoc Dismal Swamp, N end of Warner Mountains. 2255 Comment
  CAS-BOT-BC225122  Salix boothii Francis Dorris Payne 1932-7-7 331 Modoc Pine Creek Basin, Warner Mts., about 33 km SE of Alturas. 2280 Comment
  CAS-BOT-BC225751  Salix boothii Francis Dorris Payne 1932-7-7 335 Modoc Pine Creek Basin, Warner Mts., about 33 km SE of Alturas. 2280 Comment
  CAS-BOT-BC225763  Salix eastwoodiae Francis Dorris Payne 1931-7-7 333 Modoc Pine Creek Basin, Warner Mts., about 33 km SE of Alturas. 2280 Comment
  SD965  Salix eastwoodiae Frances D. Payne 1931-7-8 177 Modoc Pine Creek Basin, Warner Mountains, about 33 km southeast of Alturas, wet flat near spring, creek 2280 Comment
  SJSU238  Salix eastwoodiae F. D. Payne 1931-7-8 177 Modoc near spring N slope of flat along Cr Pine Cr Basin, Warner Mts, c. 33 km SE Alturas 2286 Comment
  UC481865  Salix eastwoodiae Frances D. Payne 1931-7-8 177 Modoc ca. 33 km. se Alturas; Warner Mts., Pine Creek Basin 2280 Comment
  HSC80731  Salix exigua G. M. Riegel 1980-7-16 890 Modoc S Warner Mtns. 2100 Comment
  LA208612  Salix exigua Mrs. H. P. Bracelin; Miss Frances D. Payne 1931-6-30 488 Modoc Parker Creek, 20 km. E of Alturas; meadow S of Payne Ranch 1560.0 Comment
  NY187440  Salix exigua N. F. Bracelin 1931-6-30 501 Modoc Alturas 1360 Comment
  RSA0039537  Salix exigua Lowell A. Ahart, John Dittes 2008-8-25 15310 Modoc On the east bank (flood plain) of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout. 1273 Comment
  RSA0030856  Salix exigua H. P. Bracelin 1931-6-30 501 Modoc Alturas. 1360 Comment
  CAS-BOT-BC229693  Salix lasiandra subsp. caudata P. Monnet 1913-7-1 930 Modoc Warner's Range. 1828 Comment
  UC481803  Salix lasiandra subsp. lasiandra Mrs. H. P. Bracelin and Miss Frances D. Payne 1931-6-30 498 Modoc 20 km. e., s. of Payne Ranch, Parker Creek Alturas; Parker Creek 1560 Comment
  UC481804  Salix lasiandra subsp. lasiandra Mrs. H. P. Bracelin and Miss Frances D. Payne 1931-6-30 498 Modoc 20 km. e., s. of Payne Ranch, Parker Creek Alturas; Parker Creek 1560 Comment
  SD997  Salix lasiandra var. lasiandra Mrs. H. P. Bracelin, Miss Frances D. Payne 1931-6-30 498 Modoc Parker Creek, 20 km east of Alturas, in meadow south of Payne Ranch 1559 Comment
  RSA5668  Salix lasiolepis H. P. Bracelin 1931-6-29 487 Modoc Halfway between Adin and Canby 1350 Comment
  UC481931  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-29 487 Modoc halfway between Adin and Canby (1/10 mi s of Rush Creek Service Sta., some distance from Rush Cr.) 1350 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
  UC481850  Salix lemmonii Frances D. Payne 1931-6-25 278 Modoc ca. 33 km. s.e. Alturas; Warner Mts., Pine Creek Basin 2280 Comment
  SBBG57822  Salix lucida subsp. lasiandra Mrs. H. P. Bracelin 1931-6-30 498 Modoc Parker Crk, 20 km E of Alturas, meadow S of Payne Ranch 1500 Comment
  NY177718  Salix pseudocordata L. C. Wheeler 1935-8-13 3832 Modoc Warner Mts., Barnes Creek 2286.0 Comment
  CAS-BOT-BC229843  Salix scouleriana Francis Dorris Payne 1931-6-10 138 Modoc Parker Creek, Warner Mts. 1560 Comment
  CHSC34511  Salsola tragus J. D. Prouty 1980-8-9 1150 Modoc Ca. 2 mi e of Cedarville, n side of Rd 299 as it intersects w margin of Middle Alkali Lake. Comment
  UC2043250  Salvia aethiopis Barbara Ertter 1995-7-1 14459 Modoc Highway 395 south of New Pine Creek on Oregon border, at junction of County Road 44. Comment
  CDA37947  Salvia aethiopis CDFA Staff s.n. Modoc Northeastern part of county. 0 Comment
  SEINET8916634  Salvia aethiopis B. Ertter 1995-7-1 14459 Modoc Along Hwy 395 S of New Pine Creek on OR border, at junction with County Road 44. 1463 Comment
  RSA152722  Salvia dorrii subsp. dorrii I. L. Wiggins, Dorothy Wiggins 1961-6-12 16436 Modoc S facing slope 4 miles E of summit of Cedar Pass, betw Alturas & Cedarville Comment
  UC1036008  Salvia dorrii var. dorrii Helen K. Sharsmith 1955-6-23 4491 Modoc 6.7 mi e Cedar Campground (State Highway 28); Warner Mountains, Modoc National Forest 1859 Comment
  UCSB12379  Salvia dorrii var. dorrii Dearing, Hugh; Dearing, Margaret 1939-6-9 Modoc East side of Cedar Pass Comment
  UC1953386  Salvia dorrii var. pilosa Tom Schweich 1996-6-29 61 Modoc Warner Mountains; East aide of South Warner Mountains, near the mouth of North Deep Creek Canyon, 3.6 km southwest of Cedarville, CA. 1500 Comment
  RSA520489  Sambucus melanocarpa Bruce Bartholomew 1989-7-14 4943 Modoc N side of the Pit River near Ostrom Point, ca. 5.5 km E of County Route 91 1280 Comment
  UC441302  Sambucus mexicana Milo S. Baker Aug 1898 517 Modoc Bower's Springs Comment
  CAS-BOT-BC235063  Sambucus racemosa var. melanocarpa Frances Payne 1929-7-12 80 Modoc Lost Lake, Warner Mts. 2286 Comment
  RSA424426  Sanguisorba annua Margaret J. Williams 1983-9-13 83- 151 -1 Modoc Road from Alturas to Cedarville. 3.8 miles W of Cedar Pass. 6.7 miles from jct of Hwy 299 and Cedarville Road. 1555 Comment
  CAS-BOT-BC15718  Sanicula graveolens Milo Samuel Baker; Franklin P. Nutting 1894-6-15 Modoc Big Valley Mts. Comment
  HSC28841  Sanicula graveolens D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-22 19319 Modoc Soup Springs Campground Comment
  NY1101601  Sanicula graveolens K. Paulson 1988-5-24 13 Modoc Parker Creek Road, Warner Mountains 1646 Comment
  UCD128027  Sanicula graveolens Dean Wm. Taylor; Robert A. Price 1988-6-4 9741 Modoc Damons Butte, ca. 2.6 miles west of Highway 139. 1341 Comment
  CAS-BOT-BC95238  Saponaria officinalis Bruce Bartholomew 1989-8-12 5136 Modoc 4.2 km W of Likely on County Road 60. 1370 Comment
  SD134008  Saponaria officinalis B. Bartholomew 1989-8-10 5050 Modoc North side of Widow Valley, 10.1 km east of Day on County Road 94. Comment
  CAS-BOT-BC95566  Sarcobatus vermiculatus Belknap C. Goldsmith 1911-7-28 38 Modoc Pitt River, Alturas. 1280 Comment
  POM354596  Saxifraga howellii Louis C. Wheeler 1935-8-1 3728 Modoc Warner Mountains: Dismal Swamp, Twenty Mile Creek. 2226 Comment
  RSA59513  Saxifraga nidifica var. claytoniifolia E. K. Balls 1950-5-12 14657 Modoc N of Bucks Creek Ranger Station. Modoc National Forest. E of Goose Lake. 1646 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
  JEPS47636  Saxifraga oregana Mrs. M. H. Manning Modoc e side of Mount Bidwell ( Twelve Mile Creek, ne Modoc County); , Twelve Mile Creek Comment
  NY784265  Saxifraga oregana var. oregana B. Anderson 1986-7-10 3199 Modoc Warner Mountains. West Warner Road at the North Fork of Pine Creek. 1935 Comment
  UCD126456  Schedonorus arundinaceus L. Whitney 1935-7-7 3389 Modoc Howard Gulch, 4 miles NW of Canby. Comment
  UC1100767  Schoenoplectus acutus var. occidentalis Herbert L. Mason, Verne Grant 1947-7-11 13379 Modoc along South Fork Pit River downstream from Jess Valley (by Forest Service camp site); along South Fork Pit River, downstream from Jess Valley Comment
  UC1587094  Schoenoplectus americanus G. Schoolcraft 1991-7-24 2188 Modoc Leonard Hot Spring NE of Middle Alkali Lake 1386 Comment
  UCD143730  Schoenoplectus americanus Herbert L. Mason 1947-8-11 1349 Modoc on Highway 81, west margin of Lower Lake, near boundary between Lassen and Modoc counties. Comment
  UC1537641  Scirpus acutus var. occidentalis Gordon H. True Jr. 1939-7-21 1012 Modoc n Canby (Jack Swamp); , n of Canby Comment
  CHSC113087  Scirpus microcarpus Lowell Ahart; John Dittes 2013-7-24 18944 Modoc South margin of Ash Creek Canal, south of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. 1268 Comment
  JEPS121208  Scirpus microcarpus Lowell Ahart, John Dittes 2013-7-24 18944 Modoc South margin of Ash Creek Canal, S of Ash Creek, Ash Creek State Wildlife Area, 0.79 air miles S of County Road 87, 1.73 air miles W of Adin, Big Valley. Comment
  UCD69396  Scolochloa festucacea D. Marcum 1997-10-14 s.n. Modoc Southern Modoc County, near border of Lassen County, near town of Adin. Not previously reported from California. Known from Klamath Marshes in Oregon. 1300 Comment
  CAS-BOT-BC252546  Scribneria bolanderi Alice Eastwood; John Thomas Howell 1940-6-15 8297 Modoc 5 mi. N of Lookout. Comment
  CAS-BOT-BC197836  Scrophularia lanceolata Annie Montague Alexander; L. Kellogg 1946-6-18 4806 Modoc Base of lava bluff facing Lower Lake. Comment
  CAS-BOT-BC197837  Scrophularia lanceolata Bruce Bartholomew; Barrett Anderson 1989-6-3 4870 Modoc Boles Creek, ca. 5.5 km E of the SE corner of Clear Lake Reservoir. 1430 Comment
  CAS-BOT-BC197841  Scrophularia lanceolata Alice Eastwood; John Thomas Howell 1940-6-12 8047 Modoc Between Likely and Jess Valley. Comment
  JEPS94083  Scutellaria antirrhinoides Vernon H. Oswald and Lowell Ahart 1998-9-8 9593 Modoc ca. 0.5 mi. air n.e. Lookout Junction (County Rd. 95 at Taylor Creek n.w. of Lookout) 1280 Comment
  JEPS62884  Scutellaria nana Milo S. Baker 1893-6 Modoc near Forestdale Comment
  RSA0069319  Scutellaria nana Dean Wm. Taylor 2014-6-10 21484 Modoc Vicinity Mud Lake; County Road 91 (Lookout to Tule Lake) at the junction with Modoc National Forest Road 42N56. 1432 Comment
  UC71618  Scutellaria nana Mrs. M. H. Manning 1903-6-8 166 Modoc Mount Bidwell 1828 Comment
  UC72055  Scutellaria nana Milo S. Baker 1893-1 Modoc n side of Egg Lake Comment
  UCR34755  Sedum J. A. Harpel 1981-8-6 V 40 Modoc Warner Mtns, South Warner Wilderness Area: E end of Patterson Lake, 7 mi NW of Eagleville 2744 Comment
  CAS-BOT-BC95608  Sedum lanceolatum Robert Patterson; Mona Bourell 1993-8-15 5270 Modoc Warner Mountains. Along trail from Patterson Lake to ca. 2 mi north towards Pepperdine Trailhead. 2743 Comment
  HSC80942  Sedum stenopetalum G. M. Riegel 1979-7-14 511 Modoc South Warner Mtns. 1739 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
  POM204156  Sedum stenopetalum subsp. stenopetalum J. T. Howell 1934-6-11 11980 Modoc Parker Creek, Warner Mts. 1585 Comment
  CAS-BOT-BC50334  Senecio aronicoides Bruce Bartholomew 1993-6-12 6584 Modoc Road to Day Rock from Little Hot Spring Valley. 1250 Comment
  RSA0012427  Senecio aronicoides Bruce Bartholomew, B. Anderson 1988-6-24 4364 Modoc Vicinity of Patterson Campground, southern end of the Warner Mountains. 2190 Comment
  RSA78968  Senecio canus E. K. Balls, Percy C. Everett 1952-10-11 18165 Modoc 4.9 miles west from turn off Highway 139 on road to Pumice Pits at east edge of Glass Flow. 1280 Comment
  SEINET191900  Senecio canus Mrs. H. C. Cantelow 1940-6-2 Modoc 4 miles west of Alturas Comment
  CAS-BOT-BC50280  Senecio fremontii var. fremontii Elmer Ivan Applegate 1932-8-1 8048 Modoc Eastern slope of Warren Peak near summit, Warner Mountains Comment
  JEPS37629  Senecio fremontii var. fremontii W. L. Jepson 1918-8-13 7975 Modoc Eagle Peak Warner Mts. 3017 Comment
  CHSC70717  Senecio hydrophiloides A. Sanger 1997-6-11 2511 Modoc Meadow on east side of road 44N69. 1981 Comment
  UC36177  Senecio hydrophiloides Milo S. Baker 1893-6-25 Modoc Comment
  CHSC85145  Senecio hydrophilus John Dittes; Josephine Guardino 1991-7-21 412 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
  UC1192092  Senecio hydrophilus Verne Grant and Irving Schneider 1947-7-23 8165 Modoc near first bridge w of Highway 395 <on> Jones Lane; South Fork of Pit River Comment
  CAS-BOT-BC50264  Senecio integerrimus Annie Montague Alexander; L. Kellogg 1946-6-26 4838 Modoc Dismal Swamp. 2255 Comment
  CAS-BOT-BC50257  Senecio integerrimus var. exaltatus Roxana Stinchfield Ferris; R. Duthie 1919-6-14 43 Modoc Parker Creek, at Modoc National Forest boundary Comment
  CAS-BOT-BC50292  Senecio integerrimus var. exaltatus Elmer Ivan Applegate 1932-7-9 7585 Modoc N slope of Bidwell Mountain, Warner Mountains Comment
  CAS-BOT-BC50293  Senecio integerrimus var. exaltatus Clare Butterworth Hardham 1961-6-18 7563 Modoc Hills 3 mi. SE of Cedar Pass. 1828 Comment
  CAS-BOT-BC50295  Senecio integerrimus var. exaltatus Clare Butterworth Hardham 1961-6-18 7588 Modoc Cedar Pass. 1828 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
  JEPS37286  Senecio integerrimus var. exaltatus N. T. Mirov 1929-6-22 Modoc near Fort Bidwell (e slope of Warner Mountains); Warner Mountains 2286 Comment
  UC36167  Senecio integerrimus var. exaltatus Mrs. R. M. Austin June 1894 Modoc Dry Valley Comment
  SEINET2443983  Senecio multilobatus Unknown 1955-6-25 4507 Modoc North slope of Jess Valley. 1585 Comment
  UCSB11864  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
  JEPS5941  Senecio triangularis Frances D. Payne 1931-6-25 257 Modoc 2 mi sw Warren Peak; Warner Mts., Pine Creek Basin 2316 Comment
  UC748200  Senecio triangularis Annie M. Alexander and Louise Kellogg 1946-7-17 5000 Modoc edge South Fork Davis Creek (Plum Valley Camp, Warner Mountains); Warner Mountains, , Plum Valley Camp Comment
  NY850194  Shepherdia argentea B. M. Bartholomew 1989-4-29 4702 Modoc Sand Creek, east side of Surprise Valley, ca. 10 km east of Cedarville 1400 Comment
  CAS-BOT-BC225036  Sibbaldia procumbens Elmer Ivan Applegate 1923-8-1 8023 Modoc High summit of Warner Mtns. just S of Warren Peak. Comment
  CAS-BOT-BC225037  Sibbaldia procumbens Annie Montague Alexander; L. Kellogg 1946-6-27 4853 Modoc Highgrade, (top of ridge, 2 mi. by road from Dismal Swamp) N end of Warner Mts. 2377 Comment
  HSC16024  Sidalcea oregana M. T. Milligan 1966-7-3 525 Modoc Slopes and ridges E of Jess Valley 1829 Comment
  CAS-BOT-BC179073  Sidalcea oregana subsp. oregana Bruce Bartholomew 1995-6-24 7017 Modoc 4.2 km E of County Road 114 on County Road 108. 1360 Comment
  CAS-BOT-BC179084  Sidalcea oregana subsp. oregana Elmer Ivan Applegate 1932-7-8 7565 Modoc Dry W margin of Cowhead Lake. Comment
  CAS-BOT-BC179085  Sidalcea oregana subsp. oregana Bruce Bartholomew 1991-6-21 5829 Modoc W side of Goose Lake, 1.4 km N of junction with Forest Service road 73. 1450 Comment
  RSA448575  Sidalcea oregana subsp. oregana Christopher Davidson 1973-5-26 2150 Modoc 1 mile N. of Adin Summit on St Hwy 299, Modoc National Forest 1524 Comment
  CAS-BOT-BC179052  Sidalcea oregana subsp. spicata Bruce Bartholomew; Barrett Anderson 1988-7-21 4423 Modoc S end of Whitehorse Flat Reservoir. 1340 Comment
  CAS-BOT-BC179056  Sidalcea oregana subsp. spicata Bruce Bartholomew; Barrett Anderson 1990-7-19 5437 Modoc Sweagert Flat. 1860 Comment
  CAS-BOT-BC179057  Sidalcea oregana subsp. spicata Annie Montague Alexander; L. Kellogg 1946-7-18 5024 Modoc Benton Meadow. 2072 Comment
  CAS-BOT-BC191150  Sidalcea oregana subsp. spicata Leland S. Smith 1922-7-23 1264 Modoc Crowder Flat Ranger Station pasture. 1463 Comment
  CAS-BOT-BC248341  Sidalcea oregana subsp. spicata B. Bartholomew; H. Sun 2002-6-24 8824 Modoc S end of Sweagert flat ca. 15.3 straight line km WNW of Aden 1820 Comment
  CHSC117013  Sidalcea oregana subsp. spicata Lowell Ahart; John Dittes 2016-6-6 20954 -A 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
  UC1618381  Sidalcea oregana subsp. spicata Barbara Ertter 1988-6-18 7612 Modoc e of Lava Beds National Monument Lava Beds National Monument Lava (ne of Dry Lake, w side of Highway 139 just s of where it crosses railroad at jct to Clear Lake); Highway 139 1249 Comment
  UCR131814  Sidalcea oregana subsp. spicata George Willet 1935-6-26 s.n. Modoc Warner Mountains, Jess Valley 1829 Comment
  RSA448222  Sidalcea oregana subsp. spicata George Willet 1935-6-26 s.n. Modoc Jess Valley, Warner Mountains 1829 Comment
  JEPS50917  Silene bernardina Leland S. Smith 1918-7-10 982 Modoc Mill Creek Modoc Forest, Mill Creek 2133 Comment
  UC8433  Silene douglasii Milo S. Baker 1893-6-25 Modoc Lava Beds Comment
  RSA65696  Silene douglasii var. douglasii F. W. Peirson 1926-6-25 6898 Modoc Small side canyon 1 mile east of summit of Warner Mountains on Cedarville Road. Comment
  HSC80712  Silene douglasii var. douglasii G. M. Riegel 1980-7-21 912 Modoc S Warner Mtns. 1670 Comment
  CDA3459  Silene latifolia subsp. alba T. C. Fuller 1975-9-4 20097 Modoc West side of Highway 139, 2 miles south of the plant quarantine station. 0 Comment
  CAS-BOT-BC95263  Silene lemmonii Bruce Bartholomew 1991-7-6 5997 Modoc Rush Creek above Upper Rush Creek Camp Ground. 1580 Comment
  CAS-BOT-BC95265  Silene menziesii John Thomas Howell 1934-6-12 12027 Modoc Plum Valley, Warner Mts. Comment
  CAS-BOT-BC95270  Silene menziesii Bruce Bartholomew 1990-6-17 5330 Modoc Sand Creek, 9.6 mi. E of Cedarville, Surprise Valley. 1390 Comment
  CAS-BOT-BC376188  Sisymbrium altissimum Andrew Townesmith; Karen M. Meyer 2007-9-15 932 Modoc Modoc National Forest, Warner Mountain Ranger District. Cedar Creek Upper Trailhead, 0.6 miles off state route 299 on Forest Service road 195 1948 Comment
  RSA82892  Sisymbrium altissimum J. M. Tucker 1950-7-25 1968 Modoc beside highway 139, 26.4 miles southeast of Tule Lake Comment
  SEINET10735739  Sisymbrium altissimum Andrew Townesmith, Karen M. Meyer 2007-9-15 Townesmith 932 Modoc Modoc National Forest, Warner Mountain Ranger District. Cedar Creek Upper Trailhead, 0.6 miles off state route 299 on Forest Service road 195. T43N R15E S33. 1948 Comment
  CAS-BOT-BC245081  Sisyrinchium idahoense var. idahoense Bruce Bartholomew 1991-7-4 5887 Modoc S end of Higgins Flat. 1370 Comment
  UC21379  Sium suave Milo S. Baker 1893-7-24 Modoc Egg Lake Comment
  UC1191944  Sium suave Verne Grant, Irving Schneider 1947-7-19 8062 Modoc s of Alturas (Corporation Ranch, s of South Loop Road); Corporation Ranch Comment
  UC1036057  Smilacina racemosa Annie M. Alexander and Louise Kellogg 1946-7-1 4892 Modoc 1/2 mi e summit <of> Bidwell Creek Road; Warner Mountains Comment
  CAS-BOT-BC245432  Solanum physalifolium var. nitidibaccatum Francis Dorris Payne 1932-7-18 712 Modoc Parker Creek. 1584 Comment
  CAS-BOT-BC245426  Solanum triflorum Verne Grant; Herbert Louis Mason 1947-7-10 13341 Modoc Doris Reservoir, 2 miles east of Alturas Comment
  JEPS12114  Solanum triflorum Frank W. Peirson 1926-6-25 6878 Modoc Warner Mountains, Cedarville Road, 1 mi e of summit Cedarville Road; Warner Mountains, Cedarville Road Comment
  CAS-BOT-BC245427  Solanum triflorum John Thomas Howell 1934-7-1 12310 Modoc Duncan House Camp Comment
  UCD126963  Solanum triflorum Robbins; Raynor 1943-6-1 s.n. Modoc Corporation Ranch, Likely. Comment
  CAS-BOT-BC54289  Solidago canadensis subsp. elongata Bruce Bartholomew 1991-8-4 6011 Modoc Rush Creek, Round Valley, 0.8 km E of Hwy 299 on County Road 86. 1310 Comment
  HSC6180  Solidago elongata M. T. Milligan 1966-7-26 584 Modoc Slopes and ridges E of Jess Valley 1646 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
  CAS-BOT-BC158920  Sorbus scopulina B. Bartholomew 1991-7-6 6000 Modoc Rush Creek above Upper Rush Creek Camp Ground 1580 Comment
  JEPS44992  Sorbus scopulina W. L. Jepson 1918-8-7 7900 Modoc n fork Bidwell Creek; Warren Mts 1828 Comment
  CAS-BOT-BC242256  Sparganium emersum Verne Grant; I. Schneider 1947-7-22 8137 Modoc North Fork of Pit River by State Quarantine Station. Comment
  CAS-BOT-BC242257  Sparganium emersum Verne Grant; I. Schneider 1947-7-18 8057 Modoc S loop of E side road in Pit River Valley S of Alturas. Comment
  CAS-BOT-BC242252  Sparganium emersum Herbert Louis Mason; Verne Grant 1947-7-12 13433 Modoc Corporation Ranch Headquarters, N of Likely. Comment
  CAS-BOT-BC54293  Sphaeromeria potentilloides var. potentilloides Harry Dwight Dillon Ripley; Rupert Charles Barneby 1944-5-30 5984 Modoc N of Likely. Comment
  CAS-BOT-BC225041  Spiraea douglasii Leland S. Smith 1420 Modoc Modoc County. Comment
  SEINET11587758  Stachys ajugoides Unknown 2016-8-16 9 -11 Modoc Lookout Comment
  SEINET11587958  Stachys ajugoides Unknown 2016-8-16 12 -14 Modoc lookout Comment
  UCLA70790  Stachys ajugoides var. rigida Milo S. Baker 1893-7-25 Modoc Egg Lake Comment
  SD46731  Stellaria calycantha Robert J. Weatherby 1955-7-8 1618 Modoc Between rocks at edge of creek. 7 miles north of Fr. Bidwell, Warner Mts. 1874 Comment
  NY482949  Stellaria longipes B. M. Bartholomew 1988-7-22 4515 Modoc Southeast side of Sunflower Knob, southern end of the Warner Mountains; Emerson Peak 7 1/2' Quad. 2160 Comment
  CAS-BOT-BC95294  Stellaria longipes var. longipes Bruce Bartholomew 1991-6-23 5870 Modoc W side of Ingall Swamp, Devil's Garden. 1510 Comment
  UC1191455  Stellaria longipes var. longipes Verne Grant and Irving Schneider 1947-8-28 8336 Modoc nw of Alturas (Jack Swamp); Jack Swamp Comment
  UC71687  Stenotus acaulis Mrs. M. H. Manning 1904-8-17 357 Modoc Mt. Bidwell Comment
  CDA14601  Stephanomeria spinosa G. D. Barbe 1991-8-27 4441 Modoc Warner Mountains; East of Bald Mountain, Modoc National Forest. 2316 Comment
  HSC80836  Stipa occidentalis var. occidentalis G. M. Riegel 1980-7-15 884 Modoc South Warner Mtns. 1829 Comment
  JEPS120566  Stipa thurberiana L. P. Janeway, B. Castro 2012-7-28 11038 Modoc Warner Mountains. At Obsidian Needles Obsidian Collecting Area; along Road 43N34 overlooking North Fork Davis Creek about 6.0 air km east-northeast of the community of Davis Creek (on Hwy 395). Comment
  NY188821  Streptanthella longirostris B. M. Bartholomew 1991-5-24 5702 Modoc Surprise Valley, 6.6 km E of Eagleville. 1390 Comment
  UC922245  Streptanthus cordatus Annie M. Alexander and Louise Kellogg 1946-8-9 5136 Modoc on ridge Warner Mountains, Patterson Lake Trail Comment
  CAS-BOT-BC95060  Streptanthus cordatus var. cordatus Robert J. Weatherby 1955-7-8 1628 Modoc 6 mi. N of Ft. Bidwell, northern Warner Mts. 1645 Comment
  CAS-BOT-BC95069  Streptanthus cordatus var. cordatus Francis Marion Ownbey; Frederick Gustav Meyer 1940-7-1 2135 Modoc Cedar Pass, Warner Mts. Comment
  UC3942  Streptopus amplexifolius var. americanus M. S. Baker and Frank Nutting 1894-8-25 Modoc Forestdale Comment
Read comments Jun 9 2006
  POM313016  Stuckenia pectinata H. L. Mason 1947-8-16 13564 Modoc Stronghold, northern Modoc county. Comment
  UCD138321  Stuckenia striata Herbert L. Mason 1947-8-15 13540 Modoc Mouth of Crane Creek on Willow Ranch, east side of Goose Lake. Comment
  JEPS90830  Suaeda calceoliformis Dean W. Taylor 1989-8-4 10434 Modoc 2.5 mi e of Eagleville (between Middle Lake and Lower Lake, Modoc Plateau, Surprise Valley); Modoc Plateau, Surprise Valley 1341 Comment
  NY540342  Suaeda calceoliformis B. M. Bartholomew 1990-7-21 5560 Modoc West edge of Middle Alkali Lake, directly east of Cedarville, Surprise Valley 1370 Comment
  CAS-BOT-BC95578  Suaeda nigra Bruce Bartholomew 1989-8-11 5084 Modoc 4.8 km E of Eagleville, Surprise Valley, between Middle and Lower Alkali lakes. 1400 Comment
  CAS-BOT-BC180103  Swertia albicaulis var. albicaulis Bruce Bartholomew 1993-6-14 6658 Modoc 5.5 km E of County Road 114 on County Road 108, NW of Clear Lake Reservoir. 1440 Comment
  CAS-BOT-BC180110  Swertia albicaulis var. albicaulis Bruce Bartholomew; Barrett Anderson 1989-6-2 4808 Modoc 9.3 km E of Fort Bidwell on road to Fee Reservoir, NE corner of Surprise Valley. 1580 Comment
  CAS-BOT-BC180112  Swertia albicaulis var. albicaulis Bruce Bartholomew 1991-6-20 5776 Modoc Junction of county roads 87 and 90. 1220 Comment
  UC22713  Swertia albicaulis var. nitida Milo S. Baker 1894-6-13 Modoc near Egg Lake Comment
  CAS-BOT-BC180093  Swertia radiata Elmer Ivan Applegate 1932-7-31 7948 Modoc Mill Creek Meadows, W slope of Warner Mts. 2438 Comment
  RSA504676  Symphoricarpos oreophilus Bruce Bartholomew, B. Anderson 1988-7-22 4489 Modoc Vicinity of E Creak Trailhead, southern end of the Warner Mtns. 2210 Comment
  UCD137455  Symphoricarpos rotundifolius Herbert L. Mason 1948-7-18 13619 Modoc Cedar Pass, Warner Mountains. Comment
  CAS-BOT-BC95194  Symphoricarpos rotundifolius var. rotundifolius Frances Payne 1931-6-21 231 Modoc Warner Mts., ridge west of Dry Creek 1981 Comment
  JEPS12666  Symphoricarpos rotundifolius var. rotundifolius W. L. Jepson 1918-8-6 7833 Modoc Davis Creek; Sugar Hill 1524 Comment
  JEPS15470  Symphoricarpos rotundifolius var. rotundifolius Hilda and Joseph Grinnell 1938-6-14 1102 a Modoc above Goose Lake (slope of Sugar Hill); Sugar Hill 1524 Comment
  UC86734  Symphyotrichum ascendens Mrs. R. M. Austin 1883-9-1 286 Modoc Comment
  UCD136513  Symphyotrichum ascendens John C. Hays 1946-10-4 s.n. Modoc Alturas. Comment
  UC1192069  Symphyotrichum bracteolatum Herbert L. Mason 1947-8-11 13494 Modoc on Highway 81, w margin of Lower Lake, near boundary betwn Lassen and Modoc Co. Lower Lake Comment
  SD64360  Symphyotrichum bracteolatum Darley F. Howe 1966-8-26 Modoc 1.3 miles north of Lassen-Modoc County Line. East of Warner Mountains. 1340 Comment
  UC71583  Symphyotrichum bracteolatum Mrs. M. H. Manning Modoc north-eastern Modoc County Comment
  JEPS40757  Symphyotrichum foliaceum W. L. Jepson 1918-8-11 7942 a Modoc Jess Valley 1584 Comment
  UC748363  Symphyotrichum foliaceum Annie M. Alexander and Louise Kellogg 1946-8-9 5145 Modoc Patterson Lake Trail Warner Mountains Comment
  CAS-BOT-BC15154  Symphyotrichum foliaceum var. parryi Bruce Bartholomew 1989-8-11 5087 Modoc Vicinity of Patterson Ranger Station, S end of Warner Mountains. 2160 Comment
  UCD14408  Symphyotrichum frondosum Sheryl Gill 1996-9-3 s.n. Modoc At the Tule Lake National Wildlife Refuge - 'Frey's Island' Sites D, E, and F; in the south-east part of the refuge in southern sump; 'Captain Jack's Stronghold' GS map quad. 1229 Comment
  UC71700  Symphyotrichum frondosum Mrs. M. H. Manning 1902-9-1 17 B Modoc Comment
  CAS-BOT-BC15171  Symphyotrichum spathulatum var. spathulatum Herbert Louis Mason 1947-8-9 13480 Modoc East side of Fairchild Swamp, N of Alturas. 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-BC232356  Synthyris missurica C. L. Hitchcock 1940-5-27 6716 Modoc 15 mi. NE of Alturas. 1981 Comment
  CAS-BOT-BC232357  Synthyris missurica Bruce Bartholomew; Barrett Anderson 1988-7-23 4553 Modoc Road beyond Poison Lake ca. 8 km S of the road from U.S. Highway 395 to Lily Lake, Warner Mts.. 2140 Comment
  RSA27982  Synthyris missurica subsp. missurica C. Leo Hitchcock 1940-5-27 6716 Modoc 15 miles NE of Alturas. 1982 Comment
  CAS-BOT-BC252542  Taeniatherum caput-medusae Thomas C. Fuller 1959-7-8 2742 Modoc Hwy 299, 8 mi. W of Alturas. Comment
  UCD86197  Taeniatherum caput-medusae R. Tofsrud 1950-7-25 s.n. Modoc Hwy. 299, Pit River bridge, few mi. S. of Canby. Comment
  UC1075746  Taraxacum officinale Robert J. Weatherby 1955-7-7 1599 Modoc Dismal Swamp, n Warner Mts. Warner Mts. 2240 Comment
  UC748416  Taraxia subacaulis Annie M. Alexander and Louise Kellogg 1946-6-26 4831 Modoc Dismal Swamp north end of Warner Mountains 2255 Comment
  UC1075757  Taraxia tanacetifolia Robert J. Weatherby 1955-7-8 1616 Modoc 7 mi n Ft. Bidwell 1874 Comment
  UC1191747  Taraxia tanacetifolia Herbert L. Mason 1947-8-13 13523 Modoc n Canby (ne side of reservoir); F Reservoir 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
  JEPS38095  Tetradymia canescens L. S. Smith 1918-7-7 976 Modoc Jess Valley-Clark Ranch Modoc National Forest 1524 Comment
  JEPS5951  Tetradymia canescens Frances D. Payne 1932-8-1 756 Modoc s and e Alturas; Warner Mountains, Parker 1828 Comment
  POM203963  Thalictrum fendleri J. T. Howell 1934-6-14 12118 Modoc Near Lost Lake, Warner Mts. 2439 Comment
  SBBG2281  Thalictrum fendleri var. fendleri H. and M. Dearing 1939-6-8 3593 Modoc Pine Cyn, Warner Mtns Comment
  RSA27039  Thalictrum occidentale var. palousense C. L. Hitchcock 1940-5-27 6704 a Modoc 15 miles northeast of Alturas. 1616 Comment
  POM100476  Thalictrum polycarpum R. M. Austin 1895-07 552 Modoc Willow Creek (Devils Garden) Comment
Read comments Jul 11 2010
  CAS-BOT-BC95075  Thelypodium flexuosum Bruce Bartholomew; Barrett Anderson 1989-4-29 4704 Modoc Sand Creek, E side of Surprise Valley, ca. 10 km E of Cedarville. 1400 Comment
  NY215733  Thelypodium milleflorum B. M. Bartholomew 1989-6-2 4816 Modoc At the SE corner of Upper Alkali Lake, E side of Surprise Valley. 1400 Comment
  RSA429573  Thelypodium milleflorum G. Willett 1935-6-9 s.n. Modoc Eagleville. Comment
  CAS-BOT-BC181798  Thermopsis californica var. argentata Leland S. Smith 1920-6-17 5 A Modoc N end of Egg Lake. 1310 Comment
  CAS-BOT-BC95084  Thlaspi arvense Bruce Bartholomew; Barrett Anderson 1988-6-25 4380 Modoc SW side of Jess Valley, Warner Mts.. 1540 Comment
  JEPS114352  Thlaspi arvense Lowell Ahart, John Dittes 2008-6-21 15004 Modoc About 30 yards west of the levee, along a deep natural drainage, open meadow area, in Big Valley, about 3.6 miles (air) northeast of the Headquarters at Ash Creek State Wildlife Area, about 6.4 miles (air) northeast of Bieber 1269 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-BC179201  Trichostema oblongum Bruce Bartholomew 1994-7-1 6757 Modoc 11.9 km NW of State Hwy. 299 on road to Dutch Flat. 1400 Comment
  JEPS89594  Trichostema oblongum Dean W. Taylor 1990-8-22 11480 Modoc Lookout Rd. 2.3 mi. s. of junction w/ State Hwy. 139 (at crossing of small perennial drainage); Modoc Plateau 1424 Comment
  CAS-BOT-BC181743  Trifolium longipes Bruce Bartholomew 1991-8-5 6043 Modoc Squaw Peak Trail on N side of Squaw Peak, E side of Warner Mts. 2420 Comment
  RSA531367  Trifolium longipes Bruce Bartholomew, B. Anderson 1990-7-20 5502 Modoc Tamarack Flat, E side of Warner Mts. 2150 Comment
  JEPS33186  Trifolium longipes subsp. multipedunculatum Frances D. Payne 1931-6-29 290 Modoc Warner Mountains. Head of Cottonwood Creek. East slope of Mt. Warren. 2286 Comment
  RSA101500  Trifolium longipes subsp. multipedunculatum R. Weatherby 1955-7-7 1604 Modoc Dismal Swamp, northern Warner Mountains. 2241 Comment
  CHSC54183  Trifolium macrocephalum Vernon H. Oswald 1991-5-28 4631 Modoc North side of aprking area on the southeast side of Pilot Butte, Ash Creek Wildlife Area, ca. 5.5 miles north northeast of Bieber. 1264 Comment
  UC748305  Trifolium macrocephalum Annie M. Alexander and Louise Kellogg 1946-6-26 4837 Modoc N end of Warner Mountains (Dismal Swamp) 2255 Comment
  SD225771  Trifolium macrocephalum Carol Witham, Jennifer Buck 2001-5-10 200 Modoc 5 mi NE along Hwy 139 from its intersection with Hwy 299, south of Hwy 139, Canby site Comment
  SEINET7073580  Trifolium microcephalum A. G. Vestal 1955-5-18 s.n. Modoc About 3.2 miles east of Aden on Route 87. UTM Zone 10, 666674mE, 4563618mN. Coordinate datum: NAD27. Comment
  JEPS66042  Trifolium pratense Frances D. Payne 1931-6-17 173 Modoc se Alturas (Parker Creek); Warner Mtns Comment
  CAS-BOT-BC181760  Trifolium productum Bruce Bartholomew; Barrett Anderson 1990-7-20 5522 Modoc Tamarack Flat, E side of Warner Mts. 2150 Comment
  CAS-BOT-BC181767  Trifolium productum Bruce Bartholomew; Barrett Anderson 1988-6-24 4307 Modoc Road beyond Poison Lake ca. 8 km S of the road from U.S. Highway 395 to Lily Lake, Warner Mts.. 2130 Comment
  CAS-BOT-BC181771  Trifolium productum Bruce Bartholomew 1991-8-6 6087 Modoc S Emerson Trail at stream between S Fork of Emerson Creek and Bearcamp Trail, Warner Mts. 2130 Comment
  UCR34821  Trifolium productum J. A. Harpel 1981-8-6 V- 8 Modoc Warner Mtns, South Warner Wilderness Area: E end of Patterson Lake, 7 mi NW of Eagleville 2744 Comment
  CHSC117235  Trifolium repens Lowell Ahart; John Dittes 2016-7-16 21241 Modoc Between the first pond and the second going west, south of Ash Creek Canal (now filled in), south of Ash Creek, Ash Creek State Wildlife Area, 0.79 miles (air) south of County Road 87, 1.75 miles (air) west of Adin, Big Valley. 1273 Comment
  CAS-BOT-BC180159  Trifolium wormskioldii Belknap C. Goldsmith 1912-6-6 80 Modoc Modoc County. 1463 Comment
  UC1099957  Triglochin maritima Herbert L. Mason, Verne Grant 1947-7-12 13438 Modoc n Likely (Corporation Ranch Headquarters); , n of Likely Comment
  RSA520462  Triteleia hyacinthina K. Paulson, R. Paulson 1989-6-21 139 Modoc Vicinity of N Fork of Fitzhugh Creek, west side of the Warner Mountains 1494 Comment
  SEINET8502707  Triteleia hyacinthina M. J. Williams 1983-7-29 83- 116 -5 Modoc Warner Mountains, N of Cedar Pass, 1.1 mi N of Stowe Reservoir Campground. 2088 Comment