Search Results — 2000 specimen records retrieved (1508 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

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

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  HSC80921  Abies concolor G. M. Riegel 1979-8-1 729 Modoc S Warner Mtns. 1670 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
  CAS-BOT-BC242283  Achnatherum hymenoides Burgess L. Kay 1957-6-1 s.n. Modoc 2 mi. NE of Likely. Comment
  UCD32699  Achnatherum lemmonii Beecher Crampton 1954-7-6 2115 Modoc Modoc County, Road 56, following Shields Creek into Warner Mountains, 22 miles east of Alturas. Comment
  UCD50579  Achnatherum lemmonii L. Whitney 1935-5-26 3156 a Modoc Ash Creek, 10 miles E of Adin. Comment
  UC1024941  Achnatherum occidentale subsp. occidentale Leo Whitney 1935-7-3 3331 Modoc 17 mi nw Canby (Badger Wells); Badger Wells Comment
  UC1025058  Achnatherum occidentale subsp. pubescens Leo Whitney 1935-7-29 3574 Modoc ca. 15 mi nw Canby (Hackamore); Modoc National Forest, Hackamore 1463 Comment
  UC1031351  Achnatherum occidentale subsp. pubescens Leo Whitney 1935-7-11 3452 Modoc ca. 15 mi nw Canby (Hackamore); Modoc National Forest, Hackamore 1463 Comment
  UC1037133  Achnatherum occidentale subsp. pubescens Leo Whitney 1935-6-9 3206 Modoc White Horse Comment
  CAS-BOT-BC242310  Achnatherum thurberianum Leland S. Smith 1917-6-20 48 Modoc Cantrall's Mill. 1828 Comment
  UC1133251  Achnatherum thurberianum Leo Whitney 1935-6-30 3354 Modoc near Hackamore Comment
  UCD51426  Achnatherum thurberianum L. Whitney 1935-7-2 3333 Modoc Badger Wells, 17 miles northwest of Canby. Comment
  SJSU9550  Acmispon americanus var. americanus W. Savage 1979-7-3 1284 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  UCD104524  Acmispon wrangelianus Robbins; Raynor 1943-6-1 s.n. Modoc Corporation Ranch, Likely. Comment
  CAS-BOT-BC218308  Aconitum columbianum Elmer Ivan Applegate 1932-8-7 8233 Modoc Lily Lake, Bidwell Pass, Warner Mts. Comment
  NY483173  Aconitum columbianum subsp. columbianum B. M. Bartholomew 1990-7-20 5498 Modoc Tamarack Flat, east side of Warner Mountains. 2150 Comment
  CAS-BOT-BC218320  Actaea rubra Bruce Bartholomew 1989-8-13 5147 Modoc Ambose Canyon at Lassen County boundary. 1800 Comment
  CAS-BOT-BC15642  Adenocaulon bicolor Bruce Bartholomew 1994-7-2 6783 Modoc 5.0 km SE of Joseph Creek Basin on the W side of the Warner Mountains. 1930 Comment
  RSA0055854  Adenocaulon bicolor Doris Bowers 1972-9-2 1894 Modoc Upper Camp, Rush Creek, N/o Adin 1220 Comment
  UC29320  Adenocaulon bicolor Milo S. Baker 1893-6 Modoc along heavily timbered stream Comment
  UC29325  Adenocaulon bicolor Milo S. Baker 1893-6 Modoc along timbered mt. stream Comment
  CDA42846  Adonis aestivalis L. Ahart, John Dittes 2011-6-21 17514 Modoc About 150 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. Comment
  RSA0062302  Adonis aestivalis Lowell Ahart, John Dittes 2011-6-21 17514 Modoc About 150 yards west of the fence, south edge of the meadow, Ash Creek State Wildlife Area, about 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
  RSA504667  Adonis aestivalis K. Paulson, R. Paulson 1988-6-10 22 Modoc SW of Dorris Reservoir. 1341 Comment
  CDA3516  Adonis aestivalis T. C. Fuller 1963-6-11 10645 Modoc R. Bushey property, mouth of Turner Creek at the Pit River, ca. 7 miles west of Canby. 0 Comment
  CHSC12957  Agastache parvifolia K. R. Stern; D. B. Joley, J. G. Gescke 1974-6-22 5831 Modoc Ca. 0.5 mi w of w margin of Egg Lake. 1295 Comment
  UC711880  Agastache parvifolia Roxana S. Ferris and Laura Lorraine 1941-8-13 10535 Modoc (East Creek drainage) Patterson Ranger Station (Warner Mountains); Modoc National Forest, Warner Mts, (East Creek drainage) 2164 Comment
  CAS-BOT-BC179880  Agastache urticifolia Bruce Bartholomew; Barrett Anderson 1988-7-21 4459 Modoc Vicinity of Patterson Campground, southern end of the Warner Mts. 2190 Comment
  UCR34491  Agastache urticifolia J. A. Harpel 1981-8-7 V- 48 Modoc Warner Mtns, South Warner Wilderness Area: Pine Creek Basin Trail, 7 mi NW of Eagleville 2652 Comment
  POM70467  Agastache urticifolia Mrs. R. M. Austin 1898-06 2195 Modoc Foothills, Goose Lake. Comment
  RSA534711  Agastache urticifolia Bruce Bartholomew 1991-7-6 5979 Modoc Curtis Waterhole and adjacent lava outcrops. 399 Comment
  UCD124935  Agastache urticifolia Verne Grant; Irving Schneider 1947-7-22 8158 Modoc headwaters of North Fork of Pit River, one mile northwest of Highway 395 on dirt road leading to south end of Goose Lake. Comment
  HSC81120  Ageratina occidentalis G. M. Riegel 1979-7-30 620 Modoc S Warner Mtns. 640 Comment
  CAS-BOT-BC15521  Agoseris X dasycarpa Leland S. Smith 1922-8-1 1316 Modoc Dutch Flat 1371 Comment
  HSC81033  Agoseris aurantiaca G. M. Riegel 1980-7-7 824 Modoc South Warner Mountains 2100 Comment
  UC748130  Agoseris aurantiaca Annie M. Alexander and Louise Kellogg 1946-7-23 5040 Modoc east slope, near seep Emerson Peak; Warner Mountains Comment
  RSA608594  Agoseris glauca var. dasycephala L. C. Wheeler 1935-8-16 3885 Modoc Warner Mountains: Dismal Swamp, Twenty Mile Creek. 2226 Comment
  RSA95000  Agoseris glauca var. dasycephala F. W. Peirson 1926-6-25 6884 Modoc Small side canyon 1 mile east of summit of Warner Mountains on Cedarville Road. Comment
  HSC81031  Agoseris monticola G. M. Riegel 1979-7-23 594 Modoc South Warner Mountains 1829 Comment
  CAS-BOT-BC126786  Agoseris parviflora Frances D. Payne 1932-6-26 612 Modoc N. of Parker Creek 1828 Comment
  UC1332115  Agoseris parviflora Alice Eastwood and John Thomas Howell 1940-6-11 8029 Modoc 8 mi from, on rd to Alturas Canby Comment
  UC29392  Agoseris parviflora Mrs. R. M. Austin Jul 1894 Modoc Goose Lake Valley Goose Lake Valley Comment
Read comments
Sep 5 2010
  UC449593  Agoseris parviflora M. F. Gilman 629 Modoc Comment
  UCD51679  Agropyron cristatum J. E. Coke 1932-7-1 s.n. Modoc Modoc County. 1371 Comment
  CHSC85179  Agropyron desertorum John Dittes; Josephine Guardino 1991-7-21 433 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
  RSA218776  Agropyron desertorum R. F. Thorne, James Henrickson, C. W. Tilforth 1969-9-4 39089 Modoc Pit River, N of Alturas 1341 Comment
  UC70677  Agrostis exarata Mrs. M. H. Manning June 1903 412 Modoc ne Modoc County Comment
  JEPS73943  Agrostis exarata L. S. Smith 1918-1 883 Modoc in and around meadows Comment
  CAS-BOT-BC242422  Agrostis pallens Leland S. Smith 1917-7-24 108 Modoc Joseph Creek. 1889 Comment
  UCD53116  Agrostis pallens L. Whitney 1935-7-6 s.n. Modoc Pit River. Stone Coal Valley. Comment
  CAS-BOT-BC242421  Agrostis scabra R. S. Ferris; L. Lorraine 1941-8-13 10567 Modoc East Creek about 1 mile east of Patterson Ranger Station, Warner Mountains Comment
  UC711820  Agrostis scabra Roxana S. Ferris and Laura Lorraine 1941-8-13 10567 Modoc about 1 mi e Patterson Ranger Station (East Creek); Modoc National Forest, Warner Mountains, East Creek Comment
  RSA534559  Aliciella leptomeria Bruce Bartholomew 1991-6-22 5849 Modoc E side of Surprise Valley, 9.6 km E of Eagleville at the Nevada border 1520 Comment
  CAS-BOT-BC190684  Aliciella micromeria Bruce Bartholomew; Barrett Anderson 1989-6-2 4820 Modoc Sand dunes at the SE corder of Upper Alkali Lake, E side of Surprise Valley. 1400 Comment
  RSA531344  Aliciella micromeria Bruce Bartholomew, B. Anderson 1989-6-2 4820 Modoc SE corner of Upper Alkali Lake, E side of Surprise Valley. 1400 Comment
  POM261432  Alisma gramineum Alice Eastwood, J. T. Howell 1940-6-12 8037 Modoc Likely Comment
  POM313031  Alisma gramineum H. L. Mason 1955-8-13 14653 -A Modoc Southwest side of Goose Lake Comment
  UC524  Alisma plantago-aquatica Milo S. Baker 1893-7-25 Modoc Egg Lake Comment
  UC985654  Alisma plantago-aquatica Herbert L. Mason 1947-7-11 13377 Modoc irrigation ditch near west side road (s of Alturas); South Fork of Pit River Comment
  UC554  Alisma plantago-aquatica Mrs. C. C. Bruce Aug 1898 2232 Modoc Goose Lake Comment
  RSA0011494  Alisma triviale Robert F. Thorne, Larry E. DeBuhr 1975-8-22 46969 Modoc North edge of Likely along south fork of Pit River 1357 Comment
  SEINET12049458  Allium M. S. Baker, Nutting, F. 1894-1 s.n. Modoc Adobe flat near Egg Leake Comment
  CAS-BOT-BC245018  Allium acuminatum Alice Eastwood; John Thomas Howell 1940-6-1 8012 Modoc 6 mi. NE of Adin on road to Canby. Comment
  HSC81150  Allium acuminatum G. M. Riegel 1980-7-31 941 Modoc South Warner Mtns. 1739 Comment
  UC1036050  Allium acuminatum Annie M. Alexander and Louise Kellogg 1946-6-12 4737 Modoc w side, Fandango Pass road Fandango Pass road 1706 Comment
  SJSU7600  Allium acuminatum H. L. Buckalew 1961-6-26 Modoc by Deep Creek Canyon, Warner Mts 1645 Comment
  JEPS13886  Allium amplectens Rimo Bacigalupi with L. R. Heckard, R. D. Sanderson, and G. Bacigalupi 1952-6-18 3749 Modoc 3.3 mi w Fandango Pass; Fandango Valley 1706 Comment
  SEINET8399361  Allium amplectens Unknown 1919-6-14 Modoc Warner Mts. near Alturas. 2134 Comment
  UC3058  Allium amplectens Milo S. Baker 1893-7-24 Modoc Comment
  UCD141842  Allium amplectens L. K. Mann; M. D. Mann 1963-6-18 s.n. Modoc 4.6 miles north of Adin toward Alturas. Comment
  CAS-BOT-BC244996  Allium bisceptrum var. bisceptrum Isabelo T. Kelly 1930-1-1 13 Modoc Buck Creek. Comment
  CAS-BOT-BC244990  Allium campanulatum Roxana Stinchfield Ferris; R. Duthie 1919-6-13 45 Modoc At edge of Parker Creek. Comment
  JEPS79134  Allium campanulatum L. R. Heckard with R. Bacigalupi 1980-6-10 5235 Modoc about 10 mi nw Lookout (along Great Northern Railroad grade) Comment
  HSC84121  Allium lemmonii Dale McNeal 1983-6-6 2849 Modoc Beside Hwy. 139, 7.4 mi. NW of junction of Hwy. 299 Comment
  CAS-BOT-BC244979  Allium parvum Bruce Bartholomew; Barrett Anderson 1989-4-30 4714 Modoc 0.8 km S of Centerville Rd. (Co. road 54) on road to Ralston Gulch (Co. road 77). 1400 Comment
  CAS-BOT-BC244964  Allium platycaule Gordon H. True 1964-6-3 1456 Modoc N Fork of Pit River between Alturas and Goose Lake. 1432 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
  CHSC30636  Allium platycaule N. E. H. Prouty 1980-6-2 176 Modoc Northern side of Dry Creek Basin Rd. Modoc Nat. Forest, Warner Mt. District. Comment
  POM204114  Allium platycaule J. T. Howell 1934-6-11 11920 Modoc Parker Creek, Warner Mts. 1585 Comment
  POM259541  Allium platycaule C. L. Hitchcock 1940-5-27 6667 Modoc 15 miles northeast of Alturas. 1616 Comment
  HSC67123  Allium platycaule Dale McNeal 1980-6-2 2341 Modoc Above Hwy. 395, 9.7 mi. S of Davis Creek Comment
  JEPS47608  Allium platycaule Frances D. Payne 1929-6-12 3 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  SEINET256832  Allium platycaule Margaret J. Williams 1984-6-28 84- 69 -1 Modoc End of Soldier Creek road. 2073 Comment
  SEINET3878872  Allium platycaule D. W. McNeal 1977-6-8 2062 Modoc On a very steep rocky slope above Hwy #395, 3.0 mi N of the jct of Hwy #299 N of Alturas.; 0 Comment
  SEINET3878901  Allium platycaule Margaret J. Williams 1984-6-28 84- 69 -1 Modoc End of Soldier Creek road.; 0 2073 Comment
  UC1585382  Allium platycaule R. Raiche and K. Zadnik 1989-7-5 90217 Modoc n Cedar Pass; Warner Mts., Cedar Mt. Area, Soldier Creek drainage 1985 Comment
  UC1100229  Alopecurus aequalis Verne Grant and Irving Schneider 1947-7-19 8082 Modoc Williams Ranch n. of Likely 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
  HSC64366  Alopecurus saccatus Don Bateman 1980-7-1 Modoc 10 mi. E of Tule Lake; 2 mi. S of Oregon border 1341 Comment
  CAS-BOT-BC58648  Alyssum desertorum Bruce Bartholomew; Barrett Anderson 1989-4-27 4621 Modoc 2.1 km SSE of Day on road to State Highway 299. 1020 Comment
  SEINET10904353  Alyssum desertorum Paul Gallian, David B. Dunn 1971-6-3 Gallian 525 Modoc 5 mi s canby on state hwy 299, lupinus heavily carpeting hillsides of large basaltic boulders, sparse juniper-artemesia, purshia, poa assoc. 1280 Comment
  SEINET250497  Alyssum parviflorum var. micranthum Noel H. Holmgren, Patricia K. Holmgren 1998-5-30 12993 Modoc Surprise Valley, Fort Bidwell-Cedarville road, 1.8 km (1.1 mi) south of the Fandango Pass and 31.2 km (19.4 mi) north of downtown Cedarville. 1372 Comment
  CAS-BOT-BC58650  Alyssum simplex Bruce Bartholomew; Barrett Anderson 1988-5-13 4179 Modoc Juniper Flats, 10 km E of Likely on road to Jess Valley, W side of the Warner Mts.. 1450 Comment
  CHSC118075  Alyssum simplex L. P. Janeway 2016-5-16 12000 Modoc Modoc Plateau. Devils Garden area; along Road 46N05A (Apple-gate Trail Southern Route) 0.3 km west of Road 46N02; 2.4 air-km east-southeast of Green Tank Reservoir and Green Spring Reservoir. 1569 Comment
  CAS-BOT-BC497471  Alyssum simplex Margaret J. Williams 1988-5-28 88 -19/4 Modoc Hwy 395, intersection with Davis Creek Road Comment
  UC1191390  Amaranthus californicus Herbert L. Mason 1947-8-8 13461 Modoc Southwest margin of Big Sage Reservoir, northwest of Alturas. Comment
  RSA768066  Amaranthus powellii L. Ahart, John Dittes 2010-8-31 17107 Modoc East side of Elkins Lane, about 100 yrds north of bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 air miles west of Adin, about 7.7 air miles northeast of Bieber, Big Valley 1268 Comment
  UC71785  Ambrosia acanthicarpa Mrs. M. H. Manning 1904-1-1 393 Modoc near(?) Fort Bidwell Comment
  RSA59741  Amelanchier pallida E. K. Balls 1950-5-20 147790 Modoc South Fork Public Camp, South Fork Pit River, Likely to Clear Lake. 1433 Comment
  CAS-BOT-BC217099  Amelanchier utahensis Annie Montague Alexander; L. Kellogg 1946-6-5 4658 A Modoc Emerson Creek, S of Eagleville, Warner Mts. 1783 Comment
  UC567119  Amelanchier utahensis R. C. Wilson 1933-6-4 36 Modoc Rush Creek; Canby Quad. 1463 Comment
  CHSC100112  Amphiscirpus nevadensis L. P. Janeway; B. Castro 2008-8-16 9544 Modoc Modoc Plateau. Surprise Valley; east side of Middle Alkali Lake, south side of Hwy 299 10.5 km east of Cedarville. 1378 Comment
  HSC3507  Amsinckia intermedia M. T. Milligan 1964-6-20 73 Modoc 1 mi. E of Hwy. 395 on Hwy. 299 1524 Comment
  SBBG117357  Amsinckia menziesii S. Martin 1990-4-21 12 Modoc Modoc Plateau; T44N, R11E, NW/4, SW/4, S8 Comment
  CHSC67641  Amsinckia tessellata James D. Jokerst 1983-7-27 1917 Modoc E. side Hwy. 395 S of Alturas, N of Signal Butte. Comment
  CAS-BOT-BC54164  Amsinckia tessellata var. tessellata John Thomas Howell 1934-6-16 12210 Modoc Parker Creek, Warner Mountains 1584 Comment
  CAS-BOT-BC54166  Amsinckia tessellata var. tessellata John Thomas Howell 1934-6-16 12212 Modoc Parker Creek. 1584 Comment
  SJSU9567  Ancistrocarphus filagineus W. Savage 1979-7-3 1309 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  CAS-BOT-BC15611  Antennaria argentea M. M. Hanna 1956-6-7 s.n. Modoc Hwy 139 between Canby and Tienesta. Comment
  CAS-BOT-BC15620  Antennaria argentea Bruce Bartholomew; Barrett Anderson 1988-7-22 4535 Modoc Mill Creek, Lake City Canyon, 5.5 km W of Lake City, E side of the Warner Mts.. 1860 Comment
  CAS-BOT-BC15582  Antennaria dimorpha Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-10 6472 Modoc 1.6 km NE of Fee Reservoir Road on Barrel Spring Road, N end of Surprise Valley. 1600 Comment
  UC168428  Antennaria dimorpha Mrs. R. M. Austin May 1 1894-Jan 1 1900 6 Modoc Goose Lake Valley Goose Lake Valley Comment
  UC75820  Antennaria dimorpha Milo S. Baker Modoc near, (at Pine Woods) Egg Lake; Pine Woods Comment
  JEPS89479  Antennaria flagellaris Dean Wm. Taylor with Glenn L. Clifton 1992-5-7 12525 Modoc 0.5 mi. e. Duncan Reservoir (hillside on western rim of Black Canyon); Modoc Plateau, Washington Mt. 7 1/2 Quad., Black Canyon 1524 Comment
  CAS-BOT-BC15585  Antennaria geyeri Frank Warrington Peirson 1926-6-26 6909 Modoc NW of Canby. Comment
  CAS-BOT-BC15553  Antennaria luzuloides John Thomas Howell 1934-6-12 11992 Modoc 6 mi. S of Davis Creek. Comment
  CHSC117048  Antennaria luzuloides subsp. luzuloides Lowell Ahart; John Dittes 2016-6-6 20949 Modoc About 40 yards west of the dirt road, about 50 yards southwest of the intersection of County Road 87 and Access Road to Pilot Butte Parking Area, northeast base of Pilot Butte, 3.8 miles (air) east of Lookout, 7.5 miles (air) west of Adin, Ash Creek State Wildlife Area. 1271 Comment
  SEINET475156  Antennaria luzuloides subsp. luzuloides Arnold Tiehm 1984-6-30 Modoc NW side of Bidwell Mt., 2.2 road miles north of 8 mile Creek on the road from Lake Annie Comment
  UCR57491  Anthemis R. D. Goeden, Don W. Ricker 1989-8-23 890823- 24 Modoc Davis Creek, south of Goose Lake & west of Hwy 395, beside Westside Road 1441 Comment
  CHSC117244  Anthemis cotula Lowell Ahart 2016-7-16 21237 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 mile (air) south of County Road 87, 1.75 miles (air) west of Adin, Big Valley. 1273 Comment
  CHSC99780  Apera interrupta Lowell Ahart; John Dittes 2008-6-21 14995 Modoc On damp soil, along the edge of the dying pond, north of the large culvert, east side of the large levee, mountain meadow, in Big Valley, about 2.8 miles (air) north of the Headquarters at Ash Creek State Wildlife Area, about 5.4 miles (air) northeast of Bieber. 1255 Comment
  RSA0059602  Apera interrupta Lowell Ahart, John Dittes 2011-6-21 17520 Modoc About 130 yards west of the fence, south edge of the meadow, Ash Creek State Wildlife Area, about 2,300 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  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
  CHSC54186  Aphyllon purpureum Vernon H. Oswald 1991-5-28 4630 Modoc North side of parking area on the southeast side of Pilot Butte, Ash Creek Wildlife Area, ca. 5.5 miles north northeast of Bieber. 1264 Comment
  CAS-BOT-BC15689  Apocynum androsaemifolium Annie Montague Alexander; L. Kellogg 1946-7-3 4903 Modoc Bidwell Creek, near Fort Bidwell. Comment
  CAS-BOT-BC15692  Apocynum androsaemifolium K. Paulson; Robert Paulson 1989-7-2 167 Modoc N side of the Pit River ca. 3 mi. E of County Rte. 91. 1578 Comment
  SEINET10695460  Apocynum androsaemifolium Karen M. Meyer, Andrew Townesmith 2007-9-16 Meyer 216 Modoc Modoc National Forest, 19.2 miles W on Forest Service Rd. 31. 1693 Comment
  UC71837  Apocynum androsaemifolium Mrs. M. H. Manning 1903-6 200 Modoc near Ft. Bidwell Ft. Bidwell; n.e. Modoc Co. Comment
  HSC3214  Apocynum androsaemifolium M. T. Milligan 1964-7-1 110 Modoc Ballard's Resvr. Rd. 3 mi. E of Modoc Co. Rd. 54. 1372 Comment
  RSA520458  Apocynum androsaemifolium K. Paulson, R. Paulson 1989-7-2 167 Modoc N side of Pit River ca. 3 mi. E of County Rte. 91. 1579 Comment
  CAS-BOT-BC218334  Aquilegia formosa var. formosa Elmer Ivan Applegate 1933-8-2 8080 Modoc Mill Creek Meadows, Warner Mts. Comment
  CAS-BOT-BC218349  Aquilegia formosa var. formosa John Thomas Howell 1934-6-11 11952 Modoc Parker Creek, Warner Mts. 1584 Comment
  SEINET10899007  Arabis David B. Dunn, Paul Gallian 1971-6-2 Dunn 17778 Modoc 9 mi sw of canby on state hwy 299, in decomposed granite. In artemisia, very moist season of year with melting patches of snow. Pinus ponderosa-juniper assoc.30-45 deg slope. 1463 Comment
  UC1504427  Arabis holboellii var. pendulocarpa Reed C. Rollins and Kathryn W. Rollins 1981-6-1 81194 Modoc ca 2 mi n of summit of road between Lake City and U.S. Hwy. 395; Warner Mountains Comment
  SEINET3237275 Image available Arabis lemmonii Louise Kellogg, Annie M. Alexander 1946-7-30 5095 Modoc Eagle Peak, Warner Mountains. East slope below summit. Comment
  POM131958  Arctostaphylos manzanita subsp. manzanita Milo S. Baker 1893-1 9388 Modoc Mt. Side Comment
  SD108262  Arctostaphylos patula subsp. platyphylla Walter Knight, Irja Knight 1981-5-25 4110 Modoc On White Horse Road enroute to Egg Lake from Lookout 1250 Comment
  UC748051  Arenaria aculeata Annie M. Alexander and Louise Kellogg 1946-6-27 4846 Modoc (top of ridge, two miles by road from Dismal Swamp) north end of Warner Mountains 2377 Comment
  UC8102  Arenaria congesta var. congesta Milo S. Baker 1893-6 Modoc Sandy bank of stream Comment
  UC852275  Arenaria congesta var. subcongesta C. L. Hitchcock 1940-5-28 6728 Modoc 15 mi n Alturas (along sedge bank of stream) 1402 Comment
  UC465483  Arenaria congesta var. subcongesta M. F. Gilman 579 Modoc Modoc Co. Canyons Comment
  CHSC115841  Arnica chamissonis Lowell Ahart; John Dittes 2015-7-17 20404 Modoc About 50 yards north of Ash Creek, Ash Creek State Wildlife Area, about 3/4 mile south of County road B7, about 2.7 miles (air) west of Adin, about 9.1 miles (air) northeast of Bieber. 1279 Comment
  JEPS5916  Arnica chamissonis Frances D. Payne 1933-7-2 Modoc s and e of Alturas; Warner Mountains, Parker Creek Comment
  SEINET3085708 Image available Arnica chamissonis subsp. foliosa Annie M. Alexander, Louise Kellogg 1946-7-7 4926 Modoc Eight Mile Creek, northeast corner of Modoc county. 1750 Comment
  CAS-BOT-BC15409  Arnica cordifolia Leland S. Smith 1919-6-8 1125 Modoc Deep Creek. 1828 Comment
  CAS-BOT-BC15416  Arnica cordifolia K. Paulson; Robert Paulson 1989-6-21 144 Modoc Pine Creek Basin, W side of the Warner Mts. 2109 Comment
  UC1037303  Arnica cordifolia Leo Whitney 1934-5-5 1608 Modoc 15 mi w of, (at Happy Camp) Canby; Modoc National Forest, Happy Camp 1463 Comment
  UC892069  Arnica cordifolia C. L. Hitchcock 1940-5-27 6702 Modoc 15 mi ne, on grassy hillside in canyon Alturas 1676 Comment
  UCR267415  Arnica cordifolia Jim Andre, Glenn L. Clifton 1993-6-12 29993 Modoc Warner Mountains, Cedar Pass, Hwy 299, Modoc National Forest 1919 Comment
  CAS-BOT-BC15414  Arnica cordifolia Roxana Stinchfield Ferris; R. Duthie 1919-6-14 74 Modoc Warner Mts. Comment
  CAS-BOT-BC15423  Arnica discoidea Bruce Bartholomew; Barrett 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
  CAS-BOT-BC15287  Arnica mollis Annie Montague Alexander; L. Kellogg 1946-7-23 5055 Modoc NE of Emerson Peak. Comment
  CHSC109743  Arnica mollis B. Castro; L. P. Janeway 2012-7-27 1976 Modoc Warner Mountains. At upper (SE) edge of Mineral Spring, 0.3 air mi east of Yellow Mountain. Moist opening surrounded by lodgepole pine forest; on NW side of road. 2331 Comment
  POM229876  Arnica mollis L. C. Wheeler 1935-8-14 3855 Modoc Lily Lake, Pine Creek, Warner Mts. 2134 Comment
  JEPS35897  Arnica nevadensis Frances D. Payne 1929-7-26 133 Modoc Warren Peak Warner Mountains, Warren Peak 2743 Comment
  CAS-BOT-BC15252  Arnica sororia Francis Dorris Payne 1932-6-26 606 Modoc Parker Creek. 1828 Comment
  CAS-BOT-BC242406  Arrhenatherum elatius L. D. White 1953-10-1 s.n. Modoc Briles orchard, Davis Creek. Comment
  UCD56036  Arrhenatherum elatius L. S. Smith 1919-6-2 1112 Modoc Deep Creek Ranger Station. Warner Mountains. Comment
  CAS-BOT-BC90105  Artemisia arbuscula subsp. arbuscula Frank P. Sipe 1937-8-27 s.n. Modoc Alturas - Susanville Road Comment
  HSC81046  Artemisia arbuscula subsp. arbuscula G. M. Riegel 1980-7-23 928 Modoc S Warner Mtns. 1739 Comment
  RSA608612  Artemisia cana L. C. Wheeler 1935-8-30 3931 Modoc Devil's Garden: Lakeshore Reservoir. 1524 Comment
  CHSC96339  Artemisia cana subsp. bolanderi Richard R. Halse 2006-8-4 6995 Modoc Modoc National Forest, Patterson Station Campground, ca. 15 air miles east of Likely, south end of the Warner Mountains. 2109 Comment
  HSC65614  Artemisia douglasiana Thomas Wood 1979-8-11 250 Modoc 4 mi. S of Fort Bidwell on Co. Hwy. 1 1396 Comment
  JEPS117261  Artemisia douglasiana Lowell Ahart, John Dittes 2010-8-31 17098 Modoc East side of Elkins Lane, about 10 yards south of the bridge across Ash Creek, Ash Creek State Wildlife Area, 4215 feet north of Lassen County Line, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley 1267 Comment
  CAS-BOT-BC15255  Artemisia ludoviciana subsp. incompta Kenton L. Chambers; Ronald J. Tyrl 1965-9-22 2432 Modoc Cedar Pass. 1920 Comment
  CAS-BOT-BC15260  Artemisia ludoviciana subsp. incompta Bruce Bartholomew; Barrett Anderson 1988-7-23 4592 Modoc Pine Creek, 4 km E of U.S Highway 395 on the road to Lily Lake, Warner Mts.. 1620 Comment
  UC932084  Artemisia ludoviciana subsp. incompta Verne Grant and Alva Grant 1947-7-8 8005 Modoc Cedar Pass Warner Mountains, Cedar Pass 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
  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
  SJSU9636  Artemisia ludoviciana subsp. ludoviciana W. Savage 1979-7-7 1457 Modoc Triangle, Fairchild Swamp Unit (SW corner), Devils Garden District, Modoc National Forest 1508 Comment
  RSA122483  Artemisia rothrockii G. A. Graham 1937-8-6 151 Modoc Belfort 3110 Comment
  UCR64882  Artemisia tridentata George K. Helmkamp 1990-9-23 H- 4 Modoc US Hwy 395, 13 mi north of Likely 1345 Comment
  CHSC113987  Artemisia tridentata subsp. tridentata L. P. Janeway 2014-7-7 11448 Modoc Great Basin. Northwest edge of plateau overlooking Cow Head Lake; halfway between Cow Head Lake and Big Mud Lake; along an obscure dirt road 1.0 km north-northwest of Barrel Springs Road. 1670 Comment
  JEPS37012  Artemisia tridentata subsp. tridentata W. L. Jepson 1918-8-7 7882 Modoc Mt. Bidwell 2499 Comment
  CAS-BOT-BC15654  Asclepias cordifolia Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16441 Modoc 4 mi. E of Cedar Pass summit. Comment
  CAS-BOT-BC15656  Asclepias cordifolia K. Paulson; Robert Paulson 1989-6-21 149 Modoc Vicinity of Granger Creek, E side of the Warner Mts. Comment
  CAS-BOT-BC15700  Asclepias cordifolia Harry Dwight Dillon Ripley; Rupert Charles Barneby 1944-6-1 6032 Modoc Above Cedarville. 1493 Comment
  CHSC19724  Asclepias cordifolia J. Grove; S. Grove 1973-6-8 101 Modoc Gooch Mill Site, Dayla. 1005 Comment
  SEINET10580365  Asclepias cordifolia Robert F. Thorne, C. W. Tilforth 1969-9-5 Thorne 39152 Modoc Modoc National Forest, Warner Mts., near Mill Creek Falls 1753 Comment
  SEINET11262208  Asclepias fascicularis Margaret J. Williams 1985-8-13 85- 66 -1 Modoc Big Sage Reservoir. N.W. of Alturas.; 0 1524 Comment
  RSA520444  Asclepias speciosa Bruce Bartholomew 1990-6-17 5285 Modoc Surprise Valley, SW side of Lower Alkali lake, 1.8 km N of Lassen County border. 1370 Comment
  CAS-BOT-BC54175  Asperugo procumbens J. C. Hays 1947-5-26 Modoc Near Fort Bidwell. Comment
  POM312625  Asperugo procumbens H. L. Mason, Verne Grant 1947-7-12 13416 Modoc Near south end of west side road, Pit River Valley, south of Alturas. Comment
  RSA210866  Aster eatonii R. F. Thorne, C. W. Tilforth 1969-9-4 39047 Modoc Along N Fork of Pit River, 11.8 miles N of Alturas along Highway 395. 1372 Comment
  HSC71397  Astragalus californicus J. P. Smith, J. O. Sawyer 1972-5-6 5271 Modoc Along Hwy. 299, 4 mi. W of Modoc County Rd. 58, E of Alturas 1494 Comment
  SJSU13943  Astragalus californicus N. A. Hopkins 1985-5-13 1272 Modoc by rd between Alturas & Cedarville, Warner Mts 1524 Comment
  CAS-BOT-BC218210  Astragalus canadensis var. brevidens C. C. (Mrs.) Bruce 1897-8-1 2213 Modoc Lake shore. Comment
  UC13369  Astragalus curvicarpus var. curvicarpus Milo S. Baker 1893-6-24 Modoc near Forestdale (Lava Beds, sw Modoc); Lava Beds, near Forestdale Comment
  CAS-BOT-BC218216  Astragalus curvicarpus var. curvicarpus Mrs. H. C. Cantelow 1935-6-8 Modoc NE of Bieber. Comment
  CAS-BOT-BC182069  Astragalus filipes Annie Montague Alexander; L. Kellogg 1946-6-12 4743 Modoc Fandango Pass road. Comment
  CAS-BOT-BC182074  Astragalus filipes Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16433 Modoc 4 mi. E of summit of Cedar Pass. Comment
  CAS-BOT-BC182962  Astragalus filipes Mrs. R. M. Austin 1894-8-1 s.n. Modoc Goose Lake Valley 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
  RSA163781  Astragalus filipes Clare B. Hardham 1961-6-19 7838 Modoc Davis creek. 1677 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
  RSA415802  Astragalus filipes Christopher Davidson 1973-5-24 2106 Modoc S of Alturas on County Rd 63 off Hwy 395 near Likely. 1311 Comment
  SEINET948297  Astragalus filipes Ira L. Wiggins 1967-1 16433 Modoc South-facing slope 4 miles E of summit of Cedar Pass, between Alturas and Caderville Comment
  CHSC85189  Astragalus lemmonii John Dittes; Josephine Guardino 1991-7-21 388 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-BC182049  Astragalus obscurus Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-13 6535 Modoc Just W of Mud Lake on road to West Valley Reservoir. 1460 Comment
  CAS-BOT-BC182050  Astragalus obscurus Bruce Bartholomew 1993-6-14 6663 Modoc 8.7 km E of County Road 114 on County Road 108, NW of Clear Lake Reservoir. 1450 Comment
  UC748431  Astragalus obscurus Annie M. Alexander and Louise Kellogg 1946-6-10 4717 Modoc Lava bench between Lower and Snake Lakes (slope facing Lower Lake); between Lower and Snake Lakes, Lower Lake Comment
Read comments
Jan 8 2008
  CAS-BOT-BC182026  Astragalus purshii M. M. Hanna 1956-6-5 Modoc Cedar Pass. Comment
  CAS-BOT-BC182034  Astragalus purshii Mrs. H. C. Cantelow 1940-6-2 3798 Modoc W of Alturas on road to Bad Lands Nat. For. Comment
  HSC26612  Astragalus purshii var. purshii D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19367 Modoc Along the S Fork of the Pit River, ~6 mi. E of Likely. Comment
  CAS-BOT-BC193030  Astragalus purshii var. tinctus Robert J. Weatherby 1955-7-8 1636 Modoc 3 miles north of Ft. Bidwell, northern Warner Mts. 1554 Comment
  POM26817  Astragalus whitneyi R. M. Austin 1895-05 31 Modoc Goose Lake Valley. Comment
  JEPS54832  Astragalus whitneyi var. confusus Frances D. Payne 1929-6-21 14 Modoc s and e Alturas (Parker Creek, Warner Mountains); Warner Mountains, Parker Creek Comment
  SEINET3402230  Astragalus whitneyi var. confusus E. K. Balls 1950-5-10 15964 Modoc 0.5 mi past fork of Hwy 395 and rd from Alturas to Cedarville. 1585 Comment
  RSA504827  Astragalus whitneyi var. confusus Bruce Bartholomew, B. Anderson 1988-6-25 4375 Modoc SW side of Jess Valley, Warner Mountains. 1540 Comment
  CAS-BOT-BC182001  Astragalus whitneyi var. lenophyllus Elmer Ivan Applegate 1897-6-2 891 Modoc Pit River valley S of Alturas. Comment
  CAS-BOT-BC182002  Astragalus whitneyi var. lenophyllus Bruce Bartholomew; Barrett Anderson 1988-5-13 4171 Modoc Ca. 1 km SE of Parker Creek Road on West Warner Road, W side of the Warner Mts.. 1710 Comment
  CAS-BOT-BC182007  Astragalus whitneyi var. lenophyllus R. M. Austin 1895-5-1 31 Modoc Goose Lake Valley. Comment
  CAS-BOT-BC182008  Astragalus whitneyi var. lenophyllus Bruce Bartholomew 1989-7-14 4924 Modoc Along Rush Creek between Lower and Upper Rush Creek Campgrounds. 1580 Comment
  SEINET6627113  Athyrium distentifolium var. americanum D. A. Charlet 1989-8-18 565 Modoc Warner Mountains, 3.7 km north of Eagle Peak 2682 Comment
  NY119641  Athysanus pusillus R. C. Rollins 1981-6-1 81189 Modoc Cedar Summit, between Alturas and Cedarville, off California Hwy. 299 1889.8 Comment
  UC1101612  Azolla filiculoides Herbert L. Mason 1947-8-12 13503 Modoc juction of N and S forks of Pit River Altura Comment
  HSC5174  Balsamorhiza hookeri M. T. Milligan 1964-5-9 33 Modoc 4 mi. N of Hwy. 139 on USFS Rd. 44N15 1524 Comment
  UC30506  Balsamorhiza hookeri M. S. Baker and Frank Nutting 1894-6-8 Modoc lava beds near Egg Lake Comment
  SEINET10958200  Balsamorhiza hookeri LeRoy E. Detling 1948-5-24 Detling 6254 Modoc N. Fork Pit River. 1463 Comment
  UC1536834  Balsamorhiza hookeri G. H. True Jr. 1937-5-26 954 Modoc Adin Summit 1524 Comment
  RSA59763  Balsamorhiza hookeri var. lagocephala E. K. Balls 1950-5-14 14690 Modoc 0.2 mi. south of boundary Modoc National Forest, trail from Alturas to Thomas Reservoir. 1524 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
  SJSU13934  Balsamorhiza lanata N. A. Hopkins 1985-5-13 1266 Modoc by Higway 395 c. 30 mi S of Alturas Comment
Read comments
Mar 25 2016
  SEINET476714  Balsamorhiza macrolepis var. platylepis Unknown 1923-4-26 Modoc Lookout Comment
  CAS-BOT-BC15127  Balsamorhiza sagittata Leland S. Smith 1919-6-2 1106 Modoc Deep Creek Ranger Station, Modoc National Forest 1524 Comment
  CAS-BOT-BC15200  Balsamorhiza sagittata S. Saufferer 1973-5-5 130 Modoc About 7.5 mi. S of Pine Creek, along Hwy 395. Comment
  UC748329  Balsamorhiza sagittata Annie M. Alexander and Louise Kellogg 1946-7-1 4891 Modoc .5 mi e of summit Bidwell Creek Road (Warner Mountains); Warner Mountains Comment
  CAS-BOT-BC15138  Balsamorhiza serrata Isabelo T. Kelly 1930-1-1 17 Modoc unspecified Comment
  RSA60231  Balsamorhiza serrata E. K. Balls 1950-5-13 14672 Modoc West shore of Goose Lake, 0.5 mile south of Oregon-California State line. 1463 Comment
  CAS-BOT-BC58674  Barbarea orthoceras Roxana Stinchfield Ferris; R. Duthie 1919-6-15 178 Modoc Near marsh, Parker Creek, Modoc Nat. Forest Boundary. Comment
  CHSC107331  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
  HSC6577  Barbarea orthoceras M. T. Milligan 1964-7-25 181 Modoc Pine Creek Basin, along trail. 2439 Comment
  RSA0059626  Barbarea orthoceras Lowell Ahart, John Dittes 2011-6-21 17518 Modoc about 130 yards west of the fence, south edge of the meadow, Ash Creek State Wildlife Area, about 2,300 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  JEPS124361  Beckmannia syzigachne Lowell Ahart, John Dittes 2015-7-16 20372 Modoc Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. Comment
  RSA210784  Beckmannia syzigachne R. F. Thorne, C. W. Tilforth 1969-9-4 39057 Modoc 2 mi W of Davis Creek (town), S. of Goose Lake 1433 Comment
  UCD56786  Beckmannia syzigachne A. A. Beetle 1944-8-17 3037 Modoc 1 mile south of Alturas. Comment
  UCD56808  Beckmannia syzigachne August L. Hormay 1932-7-15 s.n. Modoc Modoc National Forest, Crowder Ranger Station. Comment
  CAS-BOT-BC54181  Berberis aquifolium var. repens Betty J. Hammerly 1941-6-20 31 Modoc Along banks of Clear Lake, S end of Warner Mts. 1767 Comment
  CAS-BOT-BC54221  Berberis aquifolium var. repens Bruce Bartholomew 1989-8-12 5122 Modoc South Fork of Pine Creek where it crosses West Warner Road, W side of Warner Mountains. 1900 Comment
  CHSC118798  Berberis aquifolium var. repens L. P. Janeway 2015-8-9 11826 Modoc Warner Mountains. Near head of a northwest-facing bowl of a drainage of Coyote Creek where Road 39N06A crosses it; 0.8 road-km east of Road 39N06. 2088 Comment
  UC9770  Berberis aquifolium var. repens Mrs. R. M. Austin Aug. 1894 Modoc Lassen Creek Comment
  UC1561006  Bergia texana Dean Wm. Taylor with Glenn L. Clifton 1989-8-6 10487 Modoc Warner Mountains: Bed of Snake Lake. Comment
  POM308823  Betula occidentalis Roxana S. Ferris, Laura Lorraine 1941-8-14 10600 Modoc 8.5 miles from Patterson Ranger Station on Eagleville road. Warner Mountains. Modoc National Forest. Comment
  CAS-BOT-BC15082  Blepharipappus scaber David Daniels Keck; Jens Chr. Clausen 1935-6-24 3711 Modoc 3 mi. NE of Willow Ranch E of Goose Lake. 1550 Comment
  CAS-BOT-BC15085  Blepharipappus scaber C. L. Hitchcock 1940-5-27 6670 Modoc 15 mi. NE of Alturas. 1615 Comment
  CAS-BOT-BC15109  Blepharipappus scaber James D. Jokerst 1983-5-31 1809 Modoc Near Signal Butte. 1340 Comment
  CAS-BOT-BC15114  Blepharipappus scaber Bruce Bartholomew 1990-6-17 5301 Modoc Vicinity of Emerson Camp near roadhead, E side of Warner Mts. 1750 Comment
  CAS-BOT-BC15116  Blepharipappus scaber Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-12 6528 Modoc Just E of Adin. 1280 Comment
  HSC41122  Blepharipappus scaber Thomas W. Nelson, Jane P. Nelson, James Nelson 1976-8-29 3248 Modoc Modoc National Forest; along Hwy. 299 just NW of Andin Pass 1524 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
  CAS-BOT-BC58290  Boechera lemmonii Annie Montague Alexander; L. Kellogg 1946-7-30 5095 Modoc Eagle Peak, Warner Mts. Comment
  CAS-BOT-BC95727  Boechera pauciflora Annie Montague Alexander; L. Kellogg 1946-6-22 4817 Modoc Edge of Bidwell Creek, Warner Mts. Comment
  UC1563656  Boechera pauciflora Barbara Ertter 1988-6-18 7643 Modoc n of Adin (Adin Summit, on Hwy 299); Adin Summit 1584 Comment
  JEPS53130  Boechera platysperma W. L. Jepson 1918-8-13 7973 Modoc Summit, Eagle Peak Warner Mts., Eagle Peak 3017 Comment
  CAS-BOT-BC14523  Boechera puberula B. Bartholomew 1991-6-23 5878 Modoc 2.6 km northeast of Crowder Flat Road on road between Ingall Swamp and Dorris Brothers Reservoir. 1520 Comment
  SJSU9699  Boechera puberula W. Savage 1979-7-10 1535 Modoc Oregon Rim Unit, Devils Garden District, Modoc National Forest 1645 Comment
  CHSC13737  Boechera retrofracta J. Grove 1973-5-1 91 Modoc Collected ca. 5 mi w of Day. 1005 Comment
  UC748378  Boechera retrofracta Annie M. Alexander and Louise Kellogg 1946-6-27 4848 Modoc 2 mi by road from Dismal Swamp (Highgrade, n end of Warner Mountains); Warner Mountains, Highgrade 2377 Comment
  CAS-BOT-BC95738  Boechera sparsiflora Bruce Bartholomew; Barrett Anderson 1989-4-29 4668 Modoc 6.4 km E of Fort Bidwell on road to Fee Reservoir, NE corner of Surprise Valley. 1460 Comment
  UC748377  Boechera sparsiflora Annie M. Alexander and Louise Kellogg 1946-6-30 4880 Modoc n end Warner Mountains (w side of ridge, Highgrade); , Highgrade 2377 Comment
  RSA0128852  Boechera sparsiflora Christopher Davidson 1975-6-4 s.n. Modoc 2.5 miles W of Cedarville on Hwy 299. 1677 Comment
  UC10095  Boechera sparsiflora M. S. Baker and Frank Nutting 1894-6-5 Modoc Big Valley Mts. Comment
  CAS-BOT-BC248364  Boechera suffrutescens B. Bartholomew; H. Sun 2002-6-24 8847 Modoc E of Bald Mt., on the E side of the Warner Mountains 2170 Comment
  CAS-BOT-BC25903  Boechera suffrutescens Marion Ownbey; Fred G. Meyer 1940-7-1 2147 Modoc Warner Mountains. Cedar Peak. Comment
  CAS-BOT-BC58569  Boechera suffrutescens Annie Montague Alexander; L. Kellogg 1946-7-23 5054 Modoc Emerson Peak, Warner Mts. Comment
  UC123120  Botrychium multifidum Mrs. R. M. Austin 1874-1 149 Modoc Lava Beds Comment
  RSA152613  Briza maxima I. L. Wiggins, Dorothy Wiggins 1961-6-12 16374 Modoc California Highway 299, 5.5 mi. N of Alturas at junction of Cedar Pass road. Comment
  CAS-BOT-BC244939  Brodiaea coronaria subsp. coronaria Barrett Anderson 1986-7-9 3141 Modoc Roney Flat Rd just off Hwy 299. 1435 Comment
  CAS-BOT-BC244944  Brodiaea coronaria subsp. coronaria John Thomas Howell 1934-6-30 12272 Modoc Duncan Horse Camp. 1355 Comment
  SJSU9580  Bromus briziformis W. Savage 1979-7-4 1340 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  UCD57492  Bromus briziformis E. Wilson 1934-5-14 s.n. Modoc East of Alturas. Comment
  SEINET4344989  Bromus briziformis M. J. Williams 1969-6-14 s.n. Modoc Jess Valley 1524 Comment
  SEINET4345007  Bromus briziformis S. C. Swif 1937-6-25 48 Modoc North Fork of Pit River South of Davis Creek 1280 Comment
  UCD57984  Bromus carinatus L. D. Whitney 1935-7-13 s.n. Modoc Pit River--Stone Coal Valley. Comment
  UCD58303  Bromus carinatus L. D. Whitney 1935-7-11 s.n. Modoc Hackamore. Comment
  CAS-BOT-BC242427  Bromus carinatus var. carinatus Bruce Bartholomew; Barrett Anderson 1990-7-21 5592 Modoc Parker Creek Road, ca. 1.6 km E of Modoc National Forest boundary, W side of Warner Mts. 1650 Comment
  CAS-BOT-BC242445  Bromus carinatus var. carinatus Bruce Bartholomew; Barrett Anderson 1990-7-20 5546 Modoc N edge of Howard Flat, W side of Warner Mts. 2000 Comment
  UCD59097  Bromus carinatus var. marginatus L. Whitney 1935-7-6 s.n. Modoc Pit River. Stone Coal Valley. Comment
  UCD59116  Bromus carinatus var. marginatus A. A. Beetle 1941-6-29 2821 Modoc 15 miles west of Alturas, road to Cedarville pass. 1524 Comment
  JEPS69166  Bromus commutatus Leland S. Smith 1918-7-7 978 Modoc Modoc National Forest, Jess Valley Jess Valley; Modoc National Forest, Jess Valley Comment
  UCD32729  Bromus commutatus Beecher Crampton 1954-7-7 2168 Modoc Modoc County, 2.5 miles east of Alturas, near radio station KCNO. Comment
  UCD58626  Bromus hordeaceus Annie M. Alexander; Louise Kellogg 1946-6-18 4792 Modoc Patterson Mill--Silver Creek roads. 1828 Comment
  CAS-BOT-BC242465  Bromus japonicus Leland S. Smith 1917-5-24 112 Modoc Joseph Creek. 1981 Comment
  SJSU9568  Bromus japonicus Wayne Savage 1979-7-3 1310 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  UC1024999  Bromus japonicus Leo Whitney 1935-7-7 3384 Modoc 4 mi nw of Canby (Howard Gulch); Howard Gulch Comment
  CAS-BOT-BC242451  Bromus tectorum Bruce Bartholomew; Mona Bourell 1990-4-26 5166 Modoc Vicinity of Ostrom Point, N side of Pit River, 3.2 km E of W end of Stone Coal Rd. 1280 Comment
  CAS-BOT-BC242458  Bromus tectorum Bruce Bartholomew; Barrett Anderson 1990-7-19 5428 Modoc Top of Hunters Ridge S of Rush Creek. 1960 Comment
  HSC9400  Calamagrostis canadensis var. langsdorffii M. T. Milligan 1967-7-9 671 Modoc E of Jess Valley 1768 Comment
  UC7748  Calandrinia ciliata Milo S. Baker 1893-7-1 Modoc shore of lake Egg Lake 1371 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
  SEINET11051776  Calocedrus decurrens R. R. Halse 2006-8-4 6999 Modoc N end of the Warner Mountains, E slope, along Highgrade Road, ca 4.4 miles N of Fort Bidwell. 1765 Comment
  CHSC30640  Calochortus leichtlinii N. E. H. Prouty 1980-7-1 190 Modoc Bear Flat T. S. Modoc Nat. Forest, Warner Mt. District. 1889 Comment
  CAS-BOT-BC242139  Calochortus macrocarpus Elmer Ivan Applegate 1932-8-4 8149 Modoc Near and above Jess Valley, S fork of Pit River. Comment
  CAS-BOT-BC242144  Calochortus macrocarpus R. M. Austin 1895-8-1 489 Modoc Davis Creek. Comment
  SD61019  Calochortus macrocarpus Darley F. Howe 1964-7-31 3905 Modoc 8.5 miles from entrance to Modoc National Forest, road east of Likely, Warner Mountains. 1615 Comment
  CAS-BOT-BC217327  Caltha leptosepala Annie Montague Alexander; L. Kellogg 1946-6-26 4829 Modoc Dismal Swamp, N end of Warner Mts. 2255 Comment
  JEPS60535  Caltha leptosepala Leland S. Smith 1918-6-23 956 Modoc High Grade District Mineral Spring (Mineral Spring); Modoc National Forest, Mineral Spring 2377 Comment
  CAS-BOT-BC197450  Calyptridium umbellatum M. M. Hanna 1956-6-3 s.n. Modoc Highway 299. Comment
  CHSC19692  Calyptridium umbellatum J. Grove 1973-5-20 94 Modoc On Hendrix Ranch, Day Ca. On black lava flow. 1005 Comment
  UC1037228  Camassia quamash subsp. breviflora Leo Whitney 1934-5-13 1742 Modoc ene of Clear Lake (Weed Valley in northern part of county); Weed Valley 1524 Comment
  UC71741  Camassia quamash subsp. breviflora Mrs. M. H. Manning 1903-5 145 Modoc Fort Bidwell, in north eastern Modoc County Fort Bidwell Comment
  UC72484  Camassia quamash subsp. breviflora Milo S. Baker Modoc Forestdale Comment
  CAS-BOT-BC493370  Camassia quamash subsp. breviflora Isabel T. Kelly 1930-1-1 11 Modoc Fort Bidwell Comment
  POM312923  Camassia quamash subsp. breviflora Malcolm A. Nobs, S. Galen Smith 1949-5-29 773 Modoc 1 mile east of Lake City Comment
  RSA59515  Camassia quamash subsp. breviflora E. K. Balls 1950-5-13 14660 Modoc 5 miles north of Bucks Creek, Highway 395, east of Goose Lake 1677 Comment
  JEPS118336  Camelina microcarpa Lowell Ahart, John Dittes 2011-6-22 17547 Modoc On the east side of the road, about 150 yards north of the Pilot Butte Parking Lot, north edge of Ash Creek Floodplain, 1.1 miles (air) south of County road 87, 7.7 miles (air) west of Adin, 10 miles (air) east of Lookout, Big Valley 1264 Comment
  RSA0036996  Camelina microcarpa Lowell A. 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. 1266 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
  POM319062  Camissonia contorta Patricia Wilder 1971-6-20 5064 Modoc North part of Egg Lake (now a meadow), northwest of Lookout; north of Bieber and California State Highway 299; Modoc National Forest. Cascades Mt. Range. 1372 Comment
  CAS-BOT-BC191107  Camissonia minor Bruce Bartholomew 1993-6-13 6623 Modoc Near Fortynine Creek, E of Cedarville on E side of Surprise Valley. 1400 Comment
  CAS-BOT-BC191108  Camissonia minor Bruce Bartholomew 1993-6-13 6635 Modoc Just W of Sand Creek on road from Highway 299 to Leonard Hot Spring, E side of Surprise Valley. 1410 Comment
  NY852050  Camissonia subacaulis Mrs. C. C. Bruce 06 1898 2203 Modoc Lake City Mountain Comment
  CAS-BOT-BC58432  Cardamine breweri var. breweri Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16404 Modoc Cedar Pass Camp ground, 3 mi. E of Thoms Creek bridge, on Cedar Pass Road. Comment
  CAS-BOT-BC58471  Cardamine breweri var. breweri Bruce Bartholomew; Barrett Anderson 1988-7-23 4578 Modoc Dismal Swamp, Warner Mts.. 2180 Comment
  HSC96141  Carex amplifolia Juha Pykala, D. H. Norris 1987-5-27 1015 Modoc Modoc National Forest, Lower Rush Creek Campground, Rush Creek 1427 Comment
  CAS-BOT-BC245194  Carex atherodes Herbert Louis Mason; Verne Grant 1947-7-12 13424 Modoc Near S end of west side road, along railroad tracks, Pit River Valley, S of Alturas. Comment
  CAS-BOT-BC242373  Carex athrostachya Peter Hamilton Raven; Otto Thomas Solbrig 1958-6-17 13305 Modoc Hwy 299, 2.6 mi W of Alturas. Comment
  JEPS127213  Carex athrostachya Lowell Ahart, John Dittes 2016-6-6 20964 Modoc About one mile south the intersection of County Road 87 and Access Road to Pilot Butte Parking Area, 3.8 miles (air) east of Lookout, 7.5 miles (air) west of Adin, Ash Creek State Wildlife Area. Comment
  UC1537620  Carex athrostachya Gordon H. True Jr. 1939-8-16 999 Modoc Canby Comment
  UC1537642  Carex athrostachya Gordon H. True Jr. 1939-6-25 993 Modoc NW of Alturas (Boles Meadow) Comment
  UCD146975  Carex aurea Chuck Hughes 2012-9-13 346 Modoc Bear Mountain. 2005 Comment
  HSC48010  Carex brainerdii D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19510 Modoc Big Valley Summit, 6 mi. W of Adin on Hwy. 299 Comment
  CHSC117045  Carex douglasii Lowell Ahart; John Dittes 2016-6-6 20971 Modoc About 10 yards west of the dirt road, about 10 yards west of the intersection of County Road 87 and Access Road to Pilot Butte Parking Area, northeast base of Pilot Butte, 3.8 miles (air) east of Lookout, 7.5 miles (air) west of Adin, Ash Creek State Wildlife Area. 1271 Comment
  HSC48185  Carex douglasii D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19424 Modoc Near Hager Reservoir Comment
  CAS-BOT-BC245188  Carex douglasii John H. Hatton 1911-6-12 58 Modoc Modoc County. 1463 Comment
  JEPS109251  Carex filifolia D. W. Taylor 2007-5-17 20114 Modoc Egg Lake, near western portion of the lake at Duck Hole. Comment
  UC1024334  Carex heteroneura Annie M. Alexander and Louise Kellogg 1946-7-18 5020 Modoc Upper end Benton Meadow, Warner Mountains. Comment
  UC1036067  Carex heteroneura Annie M. Alexander and Louise Kellogg 1946-7-19 5030 Modoc Benton Meadow, Warner Mountains Comment
  CAS-BOT-BC245140  Carex heteroneura var. epapillosa Annie Montague Alexander; L. Kellogg 1946-7-19 5030 Modoc Brenton Meadow, Warner Mts. 2072 Comment
  JEPS114841  Carex lanuginosa Lowell Ahart, John Dittes 2008-6-21 15003 Modoc On damp soil along a deep natural drainage, about 30 yards west of the levee, mountain meadow, in Big Valley, about 3.6 miles (air) northeast of the Headquarters at Ash Creek State Wildlife Area, aout 6.4 miles (air northeast of Bieber 1269 Comment
  CAS-BOT-BC245182  Carex microptera James D. Jokerst 1983-7-18 1844 Modoc Miller's Flat, NW of Aden. Comment
  CAS-BOT-BC245160  Carex nebrascensis Louis Cutter Wheeler 1935-8-16 3870 Modoc Dismal Swamp. 2225 Comment
  CAS-BOT-BC245166  Carex nebrascensis Bruce Bartholomew 1989-8-11 5076 Modoc Along Lassen Creek near SE side of Harris Flat, Warner Mountains. 1920 Comment
  UC1024314  Carex nebrascensis Annie M. Alexander and Louise Kellogg 1946-6-12 4731 Modoc Fort Bidwell 1444 Comment
  CAS-BOT-BC245159  Carex pachystachya Roxana Stinchfield Ferris; R. Duthie 1919-6-15 150 Modoc Parker Creek near Modoc Nat. For. Boundary. Comment
  UC1100592  Carex pellita Herbert L. Mason, Verne Grant 1947-7-10 13354 a Modoc 1/4 mi w Dorris Reservoir (2 mi e of Alturas) Comment
  POM304483  Carex praegracilis Alice Eastwood, John Thomas Howell 1940-6-12 8035 Modoc Likely Comment
  HSC7151  Carex rostrata M. T. Milligan 1966-6-30 505 Modoc Slopes and ridges E of Jess Valley 1768 Comment
  SD130395  Carex scopulorum B. Bartholomew, B. Anderson 1988-7-23 4588 Modoc Warner Mountains; vicinity of Blue Bell Mine between Lily Lake and Dismal Swamp;perennial. 2170 Comment
  SEINET7575021 Image available Carex scopulorum var. bracteosa John Thomas Howell 1934-6-14 12162 Modoc Near Lost Lake, Warner Mts. 2438 Comment
  UC1100576  Carex simulata Verne Grant, Irving Schneider 1947-8-28 8338 Modoc nw Alturas; Jack Swamp Comment
  CAS-BOT-BC242398  Carex subfusca Bruce Bartholomew; Barrett Anderson 1988-6-24 4332 Modoc Lily Lake, W side of the Warner Mts.. 2130 Comment
  RSA252447  Carex subfusca Robert F. Thorne, C. W. Tilforth 1969-9-5 39155 Modoc Wet mud at margin of Clear Lake. Warner Mountains, Modoc National Forest. 1768 Comment
  SEINET8275878  Carex utriculata Unknown 1969-9-5 Modoc Modoc National Forest, Warner Mts., at margin of Clear Lake 1768 Comment
  CAS-BOT-BC242391  Carex whitneyi Bruce Bartholomew; Barrett Anderson 1988-7-21 4456 Modoc Vicinity of Patterson Campground, southern end of the Warner Mts. 2190 Comment
  UC1024855  Carex whitneyi Leo Whitney 1935-6-6 3188 Modoc ca. 2 mi n Hole-in-the-rock (ca. 18 mi wnw of Canby) Comment
  CAS-BOT-BC225989  Castilleja applegatei subsp. pinetorum Mrs. H. C. Cantelow 1935-6-8 972 Modoc NE of Bieber. Comment
  CAS-BOT-BC229814  Castilleja applegatei subsp. pinetorum Bruce Bartholomew; Barrett Anderson 1988-6-24 4304 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-BC229823  Castilleja applegatei subsp. pinetorum John Thomas Howell 1934-6-13 12100 Modoc North fork of Barber Creek. 1828 Comment
  CAS-BOT-BC229825  Castilleja applegatei subsp. pinetorum Belknap C. Goldsmith 1912-5-15 73 Modoc Parker Creek, Warner Mountains 1584 Comment
  HSC20500  Castilleja applegatei subsp. pinetorum M. T. Milligan 1965-7-10 439 Modoc W slope of Eagle Peak. 2439 Comment
  JEPS27946  Castilleja applegatei subsp. pinetorum Frances D. Payne 1929-7-26 115 Modoc w base Warren Peak (in upper Pine Creek Basin); Warner Mountain Range, Pine Creek Basin 2133 Comment
  JEPS86368  Castilleja applegatei subsp. pinetorum Jack and Betty Guggolz 1988-6-27 952 Modoc ne of Jenkins Springs Comment
  UC1012492  Castilleja applegatei subsp. pinetorum Francis W. Pennell Jun 8 1940-Jun 9 1940 25741 Modoc ne of Alturas (upper w slope below Cedar Pass); Warner Mountains 1889 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
  UC199409  Castilleja applegatei subsp. pinetorum Franklin P. Nutting 1900-1-1 Modoc near Egg Lake Comment
  UC585189  Castilleja applegatei subsp. pinetorum E. B. Babcock, G. L. Stebbins Jr. 1936-6-9 1802 Modoc hill above Lake City 1524 Comment
  HSC80806  Castilleja arachnoidea G. M. Riegel 1980-8-20 1079 Modoc South Warner Mts. 1829 Comment
  RSA185378  Castilleja arachnoidea Clare B. Hardham 1961-6-18 7811 Modoc Hills above Cedar Pass. Comment
  UC27291  Castilleja campestris subsp. campestris Milo S. Baker 1893-6-15 Modoc 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
  JEPS120884  Castilleja chromosa Lowell Ahart, John Dittes, Todd Sloat 2013-6-8 18765 Modoc About 300 yards E of the Parking Area, E of the old barn, Ash Creek Wildlife Area, about 3.9 air miles W of Adin, about 7.7 air miles NE of Bieber. Big Valley. Comment
  CAS-BOT-BC226024  Castilleja lacera K. Paulson; Robert Paulson 1988-6-19 40 Modoc W of Cranby Bridge. 1310 Comment
  CAS-BOT-BC226030  Castilleja lacera Bruce Bartholomew; Barrett Anderson 1988-6-23 4282 Modoc Widow Valley, 18.0 km W of Day on County Road 94. 1230 Comment
  HSC80740  Castilleja lacera G. M. Riegel 1979-7-3 453 Modoc South Warner Mts. 1739 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
  UC986479  Castilleja miniata Annie M. Alexander and Louise Kellogg 1946-7-12 4978 Modoc Cowhead Lake Comment
  CAS-BOT-BC226054  Castilleja pilosa Elmer Ivan Applegate 1932-7-9 7602 Modoc N slope of Bidwell Mountain. Comment
  RSA248718  Castilleja psittacina Christopher Davidson 1973-5-26 2125 Modoc 4 miles W of Canby on Hwy 299. 1341 Comment
  CAS-BOT-BC226070  Castilleja tenuis Elmer Ivan Applegate 1932-7-8 7563 Modoc W side of Cowhead Lake. Comment
  CAS-BOT-BC226076  Castilleja tenuis K. Paulson; Robert Paulson 1989-6-14 136 Modoc Junction of Hwy 299 and Hwy 395 at turn off to Cedar Pass. 1371 Comment
  HSC75904  Castilleja tenuis D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19434 Modoc Near Hager Reservoir Comment
  JEPS76810  Castilleja tenuis Theodore F. Niehaus 1978-6-28 952 Modoc ca 12 mi w Canby (0.3 mi s on road to Craig Springs from junction with Loveness mainline logging road and 0.05 mi into sec. 13) 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
  CAS-BOT-BC217134  Ceanothus cordulatus Bruce Bartholomew 1992-5-16 6340 Modoc Burned area along County Road 91, ca. 2.5 km S of turn off to Happy Camp Ranger Station. 1390 Comment
  UC18346  Ceanothus integerrimus Milo S. Baker 1893-7-8 Modoc Comment
  CAS-BOT-BC217101  Ceanothus prostratus Alice Eastwood; John Thomas Howell 1940-6-13 8143 Modoc Fandango Pass. Comment
  CAS-BOT-BC217102  Ceanothus prostratus Milo Samuel Baker; Franklin P. Nutting 1894-6-8 s.n. Modoc Near Egg Lake. Comment
  CAS-BOT-BC217108  Ceanothus prostratus Elmer Ivan Applegate 1932-8-2 8072 Modoc Mill Creek Meadow, W slope of Warner Mts. 2438 Comment
  CAS-BOT-BC217149  Ceanothus prostratus E. S. Willits 1940-5-16 251 Modoc Willow Ranch. 1371 Comment
  HSC80758  Ceanothus prostratus G. M. Riegel 1978-6-25 14 Modoc S Warner Mtns. 1670 Comment
  RSA1097  Ceanothus prostratus E. R. Johnson 1928-8-31 1192 Modoc 4 miles W of lookout Comment
  UC190598  Ceanothus prostratus M. F. Gilman 614 Modoc Warner Mts. 2133 Comment
  UC73356  Ceanothus pumilus Milo S. Baker Modoc near Egg Lake; near Egg Lake Comment
  CAS-BOT-BC217120  Ceanothus velutinus Bruce Bartholomew 1989-7-15 5020 Modoc Manzanita Lookout, top of Manzanita Mountain. 2130 Comment
  SEINET198560  Ceanothus velutinus H. K. Sharsmith 1955-6-25 4505 Modoc Modoc National Forest ; Warner Mts on trail to Mill Creek Falls and Clear Lake 1753 Comment
  HSC80757  Ceanothus velutinus var. velutinus G. M. Riegel 1978-7-13 66 Modoc S Warner Mtns. 1670 Comment
  CHSC117247  Centaurea cyanus Lowell Ahart; John Dittes 2016-7-16 21236 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 mile (air) south of County Road 87, 1.75 miles (air) west of Adin, Big Valley. 1273 Comment
  JEPS119675  Centaurea cyanus Lowell Ahart, John Dittes 2012-7-12 18379 Modoc On the east side of Elkins Lane, about 100 yards north of the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. Comment
  UC912667  Centaurea cyanus F. H. Frost 1925-7-24 124 Modoc Jess Valley Warner Mountains, Jess Valley Comment
  CDA7343  Centaurea squarrosa J. Kelley 1989-7-2 Modoc County Road 54 south of Alturas. 0 Comment
  CAS-BOT-BC15099  Centaurea virgata subsp. squarrosa Thomas C. Fuller 1962-8-29 9487 Modoc Road to Adin, 0.3 mi. E of Lookout, Big Valley. Comment
  POM128271  Centaurium muehlenbergii Milo S. Baker 1899-8-18 s.n. Modoc Little Hot Spring Valley Comment
  UC956843  Ceratophyllum demersum Herbert L. Mason and Verne Grant 1947-7-12 13386 Modoc irrigation ditch by Jones' Lane off Highway 395 several mi s Alturas Comment
  UC1127867  Cercocarpus betuloides var. macrourus R. C. Wilson 1933-7-7 58 Modoc Rush Creek, Modoc National Forest Rush Creek; Modoc National Forest, Rush Creek 1463 Comment
  HSC59869  Cercocarpus ledifolius J. P. Smith, J. O. Sawyer 1973-8-9 7267 Modoc Blue Lake, Modoc National Forest. 1829 Comment
  CAS-BOT-BC197540  Cercocarpus ledifolius var. ledifolius F. Angwin 1946-4-21 s.n. Modoc Stone Coal Canyon, 12 mi. NE of Adin. 1280 Comment
  CAS-BOT-BC214641  Cercocarpus ledifolius var. ledifolius C. L. Hitchcock 1940-5-27 6689 Modoc 15 mi. NE of Alturas. 1615 Comment
  CAS-BOT-BC214642  Cercocarpus ledifolius var. ledifolius John Thomas Howell 1934-6-12 12009 Modoc Between Davis Creek and Plum Valley. Comment
  CAS-BOT-BC214647  Cercocarpus ledifolius var. ledifolius A. D. Borden 1911-5-20 s.n. Modoc Sugar Hill. Comment
  UC1075723  Cercocarpus ledifolius var. ledifolius Robert J. Weatherby 1955-7-8 1632 Modoc 5 mi n of Fort Bidwell (northern Warner Mountains); Warner Mountains 1645 Comment
  UC71599  Cercocarpus ledifolius var. ledifolius Mrs. M. H. Manning 1903-5 8 Modoc Mount Bidwell, in north-eastern Modoc County Mount Bidwell Comment
  UC859413  Cercocarpus ledifolius var. ledifolius C. L. Hitchcock 1940-5-27 6689 Modoc 15 mi ne of Alturas 1615 Comment
  CAS-BOT-BC15057  Chaenactis douglasii var. douglasii A. A. Heller 1938-6-24 15221 Modoc Between Alturas and Canby Comment
  CAS-BOT-BC15071  Chaenactis douglasii var. douglasii Bruce Bartholomew; Barrett Anderson 1988-6-25 4377 Modoc SW side of Jess Valley, Warner Mts.. 1540 Comment
  UC748338  Chaenactis douglasii var. douglasii Annie M. Alexander and Louise Kellogg 1946-7-7 4936 Modoc Eight Mile Creek, ne corner of county Eight Mile Creek 1752 Comment
  HSC5249  Chaenactis douglasii var. douglasii M. T. Milligan 1966-6-19 473 Modoc Plateau W of Jess Valley 1829 Comment
  UCD130294  Chaenactis douglasii var. douglasii Robert F. Thorne; J. Henrickson, C. W. Tilforth 1969-9-4 39071 Modoc near old margin of Goose Lake, southwest shore of Goose Lake north of McGinty Point. 1432 Comment
  HSC81052  Chaenactis nevadensis G. M. Riegel 1979-7-14 545 Modoc South Warner Mtns. 1739 Comment
  JEPS44979  Chamaebatiaria millefolium L. S. Smith 1918-6-23 1433 Modoc Modoc National Forest, w side Happy Camp Happy Camp; Modoc National Forest, Happy Camp Comment
  CAS-BOT-BC245419  Chamaesaracha nana John Thomas Howell 1934-6-14 12177 Modoc Patterson Mill Rd., Warner Mts. 2133 Comment
  HSC80796  Chamaesaracha nana G. M. Riegel 1980-7-3 823 Modoc S Warner Mtns. 2100 Comment
  JEPS5988  Chamaesaracha nana Frances D. Payne 1931-6-25 271 Modoc 2 mi sw Warren Peak (Middle Fork of Pine Creek); Warner Mts., Pine Creek Basin 2133 Comment
  RSA210820  Chamaesyce serpillifolia R. F. Thorne, J. Henrickson, C. W. Tilforth, K. Thorne 1969-9-4 39082 Modoc E. shore of Goose Lake at Willow Ranch. 1433 Comment
  CAS-BOT-BC95522  Chenopodium foliosum K. Paulson; Robert Paulson 1989-7-12 176 Modoc Ca. 1 mi. N of Mill Creek Falls, W side of Warner Mts. 1828 Comment
  CAS-BOT-BC95525  Chenopodium hians Herbert Louis Mason; Verne Grant 1947-7-10 13345 Modoc Dorris Reservoir, 2 mi E of Alturas. Comment
  JEPS59758  Chenopodium pumilio Frances D. Payne 1935-7-19 789 Modoc Dry Creek Warner Mountains (mouth (tributary of Parker Creek), s and e of Alturas) Comment
  RSA624455  Chenopodium rubrum L. C. Wheeler 1935-8-18 3896 Modoc 2 miles northeast of Alturas 1357 Comment
  RSA604000  Chenopodium simplex L. C. Wheeler 1935-8-12 3830 Modoc Warner Mountains: Cottonwood Creek. 1981 Comment
  CAS-BOT-BC95667  Chimaphila umbellata Bruce Bartholomew 1995-7-30 7044 Modoc Big Valley Mountains N of County Road 94. 1400 Comment
  RSA520495  Chimaphila umbellata subsp. occidentalis Bruce Bartholomew 1989-8-10 5044 Modoc 8.7 km E of Day on County Road 94. Comment
  CDA19915  Chorispora tenella R. Breckenridge, Kratville 2002-6-6 PDR 920238 Modoc Northern California; in the vicinity of Alturas. 1328 Comment
  CAS-BOT-BC15049  Chrysothamnus nauseosus subsp. albicaulis E. S. Willits 1939-10-10 160 Modoc Surprise Valley. 1371 Comment
  POM229177  Chrysothamnus nauseosus subsp. albicaulis L. C. Wheeler 1935-9-10 3968 Modoc 1.5 miles SSW McGinty Reservoir, Devil's Garden 1524 Comment
  RSA301908  Chrysothamnus nauseosus subsp. albicaulis L. C. Anderson 1958-8-24 1615 Modoc Cedar Pass Campgrounds in the Warren Mts., 8 miles W of Cedarville Comment
  CAS-BOT-BC15035  Chrysothamnus nauseosus subsp. consimilis Francis Dorris Payne 1931-9-18 341 Modoc Parker Creek, Warner Mountains 1584 Comment
  SEINET10722475  Chrysothamnus nauseosus subsp. consimilis Karen M. Meyer, Andrew Townesmith 2007-9-16 Meyer 212 Modoc Modoc National Forest, going E on Hwy 299, 5.1 miles from the start of NF. Lower, Cedar Creek interpretive trail. 1622 Comment
  CAS-BOT-BC14981  Chrysothamnus parryi subsp. nevadensis Francis Dorris Payne 1935-8-25 809 Modoc Parker Creek. 1584 Comment
  SFV7753  Chrysothamnus viscidiflorus T. Gordon, K. Kimbrough 1975-8-15 1216 Modoc Just east of the entrance to Lava Beds National Monument. 1280 Comment
  SD123291  Chrysothamnus viscidiflorus subsp. lanceolatus Jack L. Reveal 1984-8-14 2843 Modoc Dry benches east of Goose Lake. 1705 Comment
  CAS-BOT-BC14990  Chrysothamnus viscidiflorus subsp. viscidiflorus Loran C. Anderson 1958-8-24 1614 Modoc Cedar Pass Campground, in Warren Mountains, 8 miles west of Cedarville Comment
  JEPS21426  Chrysothamnus viscidiflorus subsp. viscidiflorus W. L. Jepson 1918-8-12 7947 Modoc Jess Valley 1584 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
  RSA252371  Cicuta douglasii R. F. Thorne, C. W. Tilforth 1969-9-5 39160 Modoc Modoc National Forest, Warner Mountains, Clear Lake. 1768 Comment
  HSC80903  Circaea alpina subsp. pacifica G. M. Riegel 1980-7-29 951 Modoc S Warner Mtns. 1670 Comment
  NY850376  Circaea alpina subsp. pacifica K. Paulson 1988-7-11 76 Modoc Cedar Pass Campground. 1676 Comment
  CAS-BOT-BC14958  Cirsium cymosum R. M. Austin; C. C. (Mrs.) Bruce 1898-6-1 165 Modoc Goose Lake. Comment
  CAS-BOT-BC14964  Cirsium cymosum Annie Montague Alexander; L. Kellogg 1946-6-14 4766 Modoc Silver Creek branch of Patterson Mill Road. 1828 Comment
  CAS-BOT-BC14966  Cirsium cymosum Thomas C. Fuller 1959-7-8 2741 Modoc Hwy 13, 7 mi. NE of Canby. Comment
  CDA15027  Cirsium cymosum B. Villegas 1998-8-19 s.n. Modoc Cascade Range; Nr. New Pine Creek, 3.6 mi. E of Fandango Pass on Hwy 395. Comment
  POM33030  Cirsium cymosum Mrs. R. M. Austin 1895-08 165 Modoc Goose Lake Valley Comment
  CAS-BOT-BC14975  Cirsium douglasii var. breweri Louis Cutter Wheeler 1935-9-10 3966 Modoc McGinty Reservoir, Devil's Garden 1463 Comment
  UC1192201  Cirsium douglasii var. breweri Herbert L. Mason 1947-8-11 13500 Modoc On Highway 81, n of Modoc-Lassen County Line Comment
  CAS-BOT-BC14931  Cirsium occidentale var. candidissimum Annie Montague Alexander; L. Kellogg 1946-6-18 4803 Modoc Patterson Mill-Silver Creek roads. Comment
  CHSC110973  Cirsium occidentale var. candidissimum Lowell Ahart; John Dittes 2012-7-12 18366 Modoc North bank of Ash Creek, south of the gravel pit, about 1/8 mile east of the parking area on the east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  HSC31108  Cirsium occidentale var. candidissimum R. F. Thorne, C. W. Tilforth 1969-9-5 39183 Modoc 3.3 mi. N of Likely 1357 Comment
  UC71591  Cirsium occidentale var. candidissimum Mrs. M. H. Manning Jul 1 1903-Aug 1 1903 263 Modoc near Fort Bidwell Comment
  UC990708  Cirsium occidentale var. candidissimum Roxana S. Ferris 1951-4-14 12466 Modoc between Cedarville and Alturas; Warner Mountains, Cedar Pass Comment
  RSA0070699  Cirsium occidentale var. candidissimum R. F. Thorne, C. W. Tilforth 1969-9-5 39183 Modoc 3.3 miles N of Likely. 1357 Comment
  UC705706  Cirsium occidentale var. candidissimum Marion Ownbey and Fred. G. Meyer 1940-7-1 2159 Modoc 1 mi w of Cedarville Comment
  CDA1510  Cirsium ochrocentrum var. ochrocentrum D. Chambers, M. Carstens 1979-8-22 s.n. Modoc Modoc National Forest, Beeler Reservoir dam, S of Hackamore. Comment
  CDA1509  Cirsium ochrocentrum var. ochrocentrum G. D. Barbe 1982-7-13 3885 Modoc NE of Alturas, 0.5 mi. N of Hwy 395 at Woodrich & Pencil Rds. 0 Comment
  CAS-BOT-BC14940  Cirsium scariosum Annie Montague Alexander; L. Kellogg 1946-6-14 4765 Modoc Silver Creek branch of Patterson Mill Road. 1828 Comment
  UC930761  Clarkia gracilis subsp. gracilis C. L. Hitchcock 1940-5-28 6729 Modoc 15 mi n Alturas (near Surprise) 1402 Comment
  CAS-BOT-BC191070  Clarkia gracilis subsp. gracilis Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16384 Modoc Rocky clay mesa 5 mi. E of Calif. St. Highway 299 along Cedar Pass road Comment
  RSA0060030  Clarkia gracilis subsp. gracilis I. L. Wiggins, Dorothy Wiggins 1961-6-12 16384 Modoc Rocky clay mesa 5 mi. east of California State Highway 299, along Cedar Pass Rd. Comment
  HSC35734  Clarkia lassenensis D. H. Norris, S. Dowty, Thomas W. Nelson 1971-6-23 19355 Modoc Along the S Fork of the Pit River, ~6 mi. E of Likely. Comment
  HSC16260  Clarkia purpurea subsp. quadrivulnera M. T. Milligan 1964-7-20 158 Modoc N end of Jess Valley, near Mill Creek. 1677 Comment
  HSC80901  Clarkia rhomboidea G. M. Riegel 1980-7-23 934 Modoc S Warner Mtns. 1670 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
  JEPS31563  Clarkia rhomboidea Frances D. Payne 1931-6-11 145 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  RSA293356  Clarkia rhomboidea Reino Alava 1957-7-5 1160 Modoc Cedar Pass, Modoc National Forest. Warner Mountains Comment
  SEINET188374 Image available Claytonia lanceolata C. L. Hitchcock 1940-5-27 6717 Modoc 15 miles northeast of Alturas 1980 Comment
  UC7861  Claytonia lanceolata Milo S. Baker 1893-6-12 4500 A Modoc Comment
  SEINET195684 Image available Claytonia lanceolata var. sessilifolia Louise Kellogg 1946-6-15 4780 b Modoc Deep Creek 2190 Comment
  JEPS101050  Claytonia megarhiza Dean Wm. Taylor with Glenn L. Clifton 1989-8-5 10463 Modoc Warner Mountains, steep northeast face Eagle Peak 2880 Comment
  CAS-BOT-BC197474  Claytonia rubra subsp. rubra Bruce Bartholomew 1991-5-23 5690 Modoc 0.5 km E of Day on County Rd. 94. 1050 Comment
  CAS-BOT-BC197426  Claytonia rubra subsp. rubra Mrs. H. C. Cantelow 1940-6-2 4198 Modoc NW of Canby. Rd to Lava Beds. Comment
  UC35016  Cleome platycarpa Mrs. C. C. Bruce Jun 1898 2180 Modoc Likely Comment
  UC1035990  Cleome platycarpa Helen K. Sharsmith 1955-6-23 4503 Modoc just outside west boundary of Modoc National Forest (w slope Warner Mountains); Warner Mountains, West Valley Reservoir 1524 Comment
  CAS-BOT-BC226099  Collinsia parviflora Bruce Bartholomew 1990-6-16 5257 Modoc Between roadhead and Pine Creek Basin, W side of Warner Mountains. 2130 Comment
  CAS-BOT-BC229853  Collinsia parviflora Francis Dorris Payne 1931-6-25 270 Modoc Pine Creek Basin. 2316 Comment
  CAS-BOT-BC229855  Collinsia parviflora Betty J. Hammerly 1941-6-20 38 Modoc Clear Lake. 1767 Comment
  CAS-BOT-BC229861  Collinsia parviflora Leland S. Smith 1919-5-3 1089 Modoc Rock Spring. 1726 Comment
  CAS-BOT-BC229862  Collinsia parviflora Fred D. Douthitt 1916-5-11 25 Modoc Near Flournoy Swale. 1524 Comment
  CAS-BOT-BC229868  Collinsia parviflora Bruce Bartholomew; Barrett Anderson 1989-4-29 4666 Modoc W side of Upper Alkali Lake, 7 km S of Fort Bidwell, Surprise Valley. 1370 Comment
  CAS-BOT-BC229867  Collinsia parviflora E. H. Steffen 1917-5-21 7 Modoc West Valley camp. 1676 Comment
  POM42853  Collinsia parviflora R. M. Austin 1895-07 438 Modoc Goose Lake. Comment
  RSA0117237  Collinsia parviflora F. W. Peirson 1926-6-25 6891 Modoc Small side canyon 1 mile east of summit of Warner Mountains on Cedarville Road. Comment
  UC153506  Collinsia torreyi var. latifolia Milo S. Baker 1893-1 Modoc Forestdale Comment
  RSA503238  Collinsia torreyi var. latifolia Bruce Bartholomew, B. Anderson 1988-6-23 4269 Modoc 4 km W of Day on County road 94. 1340 Comment
  CAS-BOT-BC190731  Collomia grandiflora Roxana Stinchfield Ferris; L. Lorraine 1941-8-14 10615 Modoc Summit of Fandango Pass. 1889 Comment
  CAS-BOT-BC190732  Collomia grandiflora Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16437 Modoc 4 mi. E of summit of Cedar Pass along Cedar Pass road. Comment
  CAS-BOT-BC190737  Collomia grandiflora Bruce Bartholomew 1989-7-15 5005 Modoc Sweagert Flat. 1860 Comment
  CAS-BOT-BC190738  Collomia grandiflora Bruce Bartholomew; Barrett Anderson 1988-7-21 4416 Modoc Whitehorse Mts., 11 km N of Day on the road to Whitehorse Flat Reservoir. 1340 Comment
  CHSC112814  Collomia grandiflora Lowell Ahart; John Dittes 2013-7-25 18965 Modoc 30 yards north of the east-west fence, south edge of Ash Creek Floodplain, northeast of Patterson Homestead, east of Elkins Lane, 1.0 mile (air) south of County Road 87, 3.14 miles (air) west of Adin, Big Valley. 1267 Comment
  HSC80886  Collomia grandiflora G. M. Riegel 1980-7-14 Modoc S Warner Mtns. 1670 Comment
  UC907920  Collomia grandiflora F. H. Frost 1925-7-13 74 Modoc summit Warner Mts., Cedar Canyon Comment
  CAS-BOT-BC225785  Comandra umbellata subsp. californica Bruce Bartholomew 1995-6-22 6968 Modoc 3.7 km NW of Day at W side of Little Hot Spring Valley. 1070 Comment
  CAS-BOT-BC95590  Convolvulus arvensis Leland S. Smith 1924-6-6 1378 Modoc On big burn S of Egg Lake. Comment
  HSC100159  Cornus sericea J. P. Smith, & J. O. Sawyer 2011-8-14 13374 Modoc Along Jesse Valley Road, just E of the bridge over the Pit River. 1372 Comment
  HSC102677  Crataegus douglasii J. P. Smith, J. O. Sawyer 2011-8-13 13365 Modoc Fence row along County Road 86. 1304 Comment
  CAS-BOT-BC14904  Crepis acuminata Bruce Bartholomew 1989-7-15 5010 Modoc Manzanita Lookout, top of Manzanita Mountain. 2130 Comment
  CAS-BOT-BC14906  Crepis acuminata Amos Arthur Heller 1938-6-24 15220 Modoc unspecified Comment
  CAS-BOT-BC14922  Crepis bakeri Bruce Bartholomew 1991-6-21 5794 Modoc 1.6 km S of Davis Creek on U.S. Hwy 395. 1450 Comment
  CAS-BOT-BC14919  Crepis bakeri subsp. cusickii Alice Eastwood; John Thomas Howell 1940-6-15 8285 Modoc About 15 mi. N of Lookout. Comment
  CAS-BOT-BC14854  Crepis intermedia Elmer Ivan Applegate 1932-8-1 8002 Modoc N of Mill Creek Meadows, west slope of Warner Mountains 2438 Comment
  UC748081  Crepis intermedia Annie M. Alexander and Louise Kellogg 1946-6-28 4865 Modoc Pine Creek Canyon Warner Mountains (mouth, n end of mts.) 1524 Comment
  JEPS89242  Crepis modocensis Lauramay T. Dempster 1961-6-18 1696 Modoc 3.2 mi s Cedar Pass (near head of canyon s of Highway) 1752 Comment
  RSA152702  Crepis modocensis subsp. modocensis I. L. Wiggins, Dorothy Wiggins 1961-6-12 16389 Modoc Rocky clay mesa 5 mi. east of California State Highway 299, along Cedar Pass Rd. Comment
  CAS-BOT-BC14856  Crepis occidentalis Annie Montague Alexander; Louise Kellogg 1946-6-28 4865 Modoc Mouth of Pine Creek Canyon, Warner Mountains 1524 Comment
  CAS-BOT-BC14868  Crepis occidentalis Bruce Bartholomew 1992-8-9 6393 Modoc Upper region of Owl Creek drainage, below cliffs, E of Summit Trail, E side of Warner Mountains. 2470 Comment
  SBBG8042  Crepis occidentalis H. and M. Dearing 1939-6-9 3639 Modoc N of Squaw Peak, Warner Mtns Comment
  UC748135  Crepis occidentalis subsp. conjuncta Annie M. Alexander and Louise Kellogg 1946-7-18 5016 Modoc near Benton Meadow; Warner Mountains 2072 Comment
  CAS-BOT-BC14895  Crepis occidentalis subsp. occidentalis Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16388 Modoc 5 mi. E of State Hwy. 299 on Cedar Pass Road. Comment
  CAS-BOT-BC14889  Crepis occidentalis subsp. pumila Ernest Brown Babcock; George Ledyard Stebbins 1936-6-8 1795 Modoc Alturas. 1371 Comment
  UC76037  Crocidium multicaule Milo S. Baker 1896-5-15 72 Modoc near Johnson's; Big Valley Comment
  CHSC100393  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
  JEPS119669  Crypsis schoenoides Lowell Ahart, John Dittes 2012-7-11 18348 Modoc About 1/2 mile southeast of the Pilot Butte Parking Lot, north edge of Ash Creek floodplain, about 1.5 miles (air) south of County Road 87, about 7.5 miles (air) west of Adin, about 10.2 miles (air) east of Lookout, Big Valley. Comment
  SJSU9643  Crypsis vaginiflora W. Savage 1979-7-8 1473 .5 Modoc Round Valley Unit, Devils Garden District, Modoc National Forest 1493 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
  CAS-BOT-BC54140  Cryptantha circumscissa John Thomas Howell 1934-6-13 12097 Modoc Patterson Mill Road. 1676 Comment
  CAS-BOT-BC54104  Cryptantha intermedia Milo Samuel Baker; Franklin P. Nutting 1894-6-29 Modoc Big Valley near Lookout. Comment
  CAS-BOT-BC54106  Cryptantha intermedia Clare Butterworth Hardham 1961-6-18 7545 Modoc Hills 3 mi E of Cedar Pass. 1828 Comment
  UCD119852  Cryptantha intermedia Herbert L. Mason; Verne Grant 1947-7-13 13447 Modoc west end of Fandango Pass near Goose Lake on road to Fort Bidwell. Comment
  HSC75578  Cryptantha simulans G. M. Riegel 1980-7-8 853 Modoc S Warner Mtns. 1739 Comment
  CAS-BOT-BC54119  Cryptantha sobolifera Francis Marion Ownbey; Frederick Gustav Meyer 1940-7-1 2134 Modoc Cedar Pass, Warner Mountains Comment
  CAS-BOT-BC54078  Cryptantha torreyana Alice Eastwood; John Thomas Howell 1940-6-13 8168 Modoc Cedarville. Comment
  CAS-BOT-BC54122  Cryptantha torreyana John Thomas Howell 1934-6-13 12044 Modoc Fandango Pass, Warner Mountains 1828 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
  NY16597  Cupressus bakeri G. Schoolcraft 1981-9-1 573 Modoc West of Day 1066.8 Comment
  UC1321446  Cupressus bakeri C. O. Stone 1964-7-4 294 Modoc sw edge of Little Hot Springs Valley; Fall River Mills Quad. 1082 Comment
  UC1523741  Cupressus bakeri Gary Schoolcraft 1981-9-1 573 Modoc w of; Day 1066 Comment
  CAS-BOT-BC95629  Cuscuta approximata Goss 1932-10-3 Modoc Modoc County. Comment
  CDA5585  Cuscuta approximata Goss 1932-10-3 Modoc 0 Comment
  CDA5588  Cuscuta approximata Goss 1932-10-3 Modoc 0 Comment
  UC1204928  Cypripedium montanum R. C. Wilson 1933-6-21 99 Modoc Rush Creek Camp Canby Quadrangle Comment
  JEPS59984  Cystopteris fragilis F. H. Frost 1925-7-11 10 Modoc 2 mi above Cedarville (Cedar Canyon campsite) Comment
  SBBG18746  Cystopteris fragilis C. B. Hardham 1961-6-19 7845 Modoc Willow Crk Comment
  CAS-BOT-BC245213  Damasonium californicum M. Vasey 1900-6-30 9038 Modoc Pond along dirt road near Curtis Waterhole, NW of Egg Lake. 1300 Comment
  CAS-BOT-BC245215  Damasonium californicum Bruce Bartholomew 1994-5-29 6737 Modoc Curtis Water Hole, NW of Egg Lake. 1280 Comment
  UC1024925  Danthonia californica var. americana Leo Whitney 1935-6-29 3353 Modoc ca 15 mi nw Canby; Modoc National Forest, Lake Joaquina, Hackamore 1463 Comment
  CAS-BOT-BC242489  Danthonia unispicata C. L. Hitchcock 1940-5-28 6720 Modoc Near Surprise, ca. 15 mi. N of Alturas. 1402 Comment
  UC1024675  Danthonia unispicata Leo Whitney 1934-5-18 2173 Modoc Timbered Mountain Modoc National Forest, Devil's Garden (ne portion of county) 1524 Comment
  UCR163912  Danthonia unispicata Jim Andre 1993-6-30 1404 Modoc Modoc Plateau, about 10 miles NW of Canby on Hwy 139, near NW end of Oak Ridge 1494 Comment
  CAS-BOT-BC214751  Dasiphora fruticosa Leland S. Smith 1917-8-6 131 Modoc Benton Meadows 2194 Comment
  CAS-BOT-BC214752  Dasiphora fruticosa Bruce Bartholomew 1991-8-5 6073 Modoc Summit Trail, NW side of Squaw Peak, W side of Warner Mts. 2480 Comment
  CAS-BOT-BC217343  Delphinium depauperatum Bruce Bartholomew; Barrett Anderson 1990-7-20 5523 Modoc Tamarack Flat, E side of Warner Mts. 2150 Comment
  CAS-BOT-BC217345  Delphinium depauperatum Mrs. H. C. Cantelow 1940-6-1 4262 Modoc Cedar Pass, Warner Mountains 1935 Comment
  CHSC117862  Delphinium depauperatum L. P. Janeway 2016-5-17 12041 Modoc Modoc Plateau. Devils Garden area; where Road 45N06 crosses Logans Slough; about 3.2 air-km north of Big Sage Reservoir. 1494 Comment
  POM100694  Delphinium depauperatum R. M. Austin 1893-07 538 Modoc Goose Lake Valley. Comment
  UC9201  Delphinium depauperatum Mrs. C. C. Bruce June 1898 2236 Modoc Lake City Pass Comment
  CAS-BOT-BC217306  Delphinium nuttallianum Roxana Stinchfield Ferris; R. Duthie 1919-6-15 1388 Modoc Parker Creen, Warner Mts. 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
  SBBG2167  Delphinium nuttallianum H. and M. Dearing 1939-6-9 3620 Modoc near Squaw Peak, Warner Mtns 2133 Comment
  CAS-BOT-BC247774  Deschampsia danthonioides Bruce Bartholomew; Barrett Anderson 1990-7-19 5443 Modoc Sweagert Flat. 1860 Comment
  JEPS118339  Deschampsia danthonioides Lowell Ahart, John Dittes 2011-6-22 17550 Modoc On the west side of the road, about 100 yards north of the Pilot Butte Parking Lot, north edge of Ash Creek Floodplain, 1.1 miles (air) south of County Road 87, 7.7 miles (air) west of Adin, 10 miles (air) east of Lookout, Big Valley 1264 Comment
  JEPS73978  Deschampsia danthonioides Frances D. Payne 1932-6-27 647 Modoc s. and e. of Alturas (Parker Creek); Warner Mts., Parker Creek 1584 Comment
  UCR163107  Deschampsia danthonioides Jim Andre 1993-7-3 1426 Modoc Modoc Plateau, about 10 miles NW of Canby on Hwy 139, near NW end of Oak Ridge 1494 Comment
  UCR163270  Deschampsia danthonioides Jim Andre 1993-7-2 1420 Modoc Modoc Plateau, about 13 miles NW of Canby on Tuscorora Pipeline right-of-way, off Hwy 139 1463 Comment
  SEINET10524162  Deschampsia danthonioides Alan A. Beetle 1941-6-29 Beetle 2838 Modoc South slope of Mt. Adin, sandy disturbed soil in roadside ditch. Comment
  SEINET4566918  Deschampsia danthonioides I. Tidestrom 1910-6-25 3642 Modoc Sibley Draw, north fork Modoc Comment
  CHSC85398  Deschampsia elongata John Dittes; Josephine Guardino 1991-8-24 459 Modoc Modoc Plateau; Warner Mountains; west slope, ca. 8.2 air-miles east of Goose Lake, ca. 2.3 air-miles south of Dismal Swamp, ca. 1.6 air-mile west of Bidwell Mtn.; tributary of Bidwell Creek west of Highgrade Road. 2087 Comment
  CAS-BOT-BC58605  Descurainia paradisa Bruce Bartholomew 1994-5-15 6693 Modoc E of Eagleville near the Eagleville Airport, Surprize Valley. 1380 Comment
  UC1083170  Descurainia pinnata F. H. Frost 1925-5-24 2 Modoc Steamboat Canyon Comment
  CAS-BOT-BC58613  Descurainia pinnata subsp. brachycarpa Alice Eastwood; John Thomas Howell 1940-6-12 8051 Modoc Between Likely and Jess Valley. Comment
  UC1586937  Dichelostemma capitatum Juha Pykala and D. H. Norris 1987-5-27 1047 Modoc between Lower Rush Creek Campground and Upper Rush Creek Campground; Modoc National Forest 1493 Comment
  CAS-BOT-BC242117  Dichelostemma multiflorum Elmer Ivan Applegate 1897-6-1 871 Modoc Head of Rim-Rock Canyon, 6 mi. N of Canby. Comment
  CAS-BOT-BC242118  Dichelostemma multiflorum Bruce Bartholomew 1990-6-15 5216 Modoc SW side of of Hunters Ridge, 6.3 km SSE of Hwy 299 on road from Rush Creek. 1640 Comment
  CAS-BOT-BC502682  Dichelostemma multiflorum Mrs. A. H. Rodda 1932-7-1 s. n. Modoc Near Macarthur Comment
  CAS-BOT-BC49463  Dieteria canescens var. shastensis Elmer Ivan Applegate 1923-3-17 3341 Modoc Dry Lake, SE of Tule Lake. Comment
  CAS-BOT-BC14839  Dimeresia howellii Francis Marion Ownbey; Frederick Gustav Meyer 1940-7-1 2136 Modoc Cedar Pass, Warner Mountains Comment
  CAS-BOT-BC14845  Dimeresia howellii James Vale; Keith Wagnon; Walter Knight; Irja Knight 1981-5-21 4127 Modoc Near Cedar Mountain, about one mile from Stowe Reservoir Road which begins at Hwy. 299, just east of Cedar pass summit 2133 Comment
  JEPS102209  Dimeresia howellii J. Greenhouse 2001-6-9 5014 Modoc Warner Mountains, E end of ridge about 1.5 mi due E of Bald Mountain 2215 Comment
  SEINET8409815  Diplacus cusickioides David M. Thompson 1988-7-23 975 Modoc e side Warner Mts. 3.7 mi s of Hwy 299 (at Cedarville) along Surprise Valley Road, then 1.5 mi w along Granger Canyon Road. 1500 Comment
  CAS-BOT-BC234456  Diplacus nanus Bruce Bartholomew 1991-5-25 5767 Modoc 8 km E of Likely on road to Jess Valley, N side of road along N side of S Fork of Pit River. 1460 Comment
  CAS-BOT-BC234483  Diplacus nanus James T. Vale 1978-7-18 s.n. Modoc Payne Springs Comment
  CAS-BOT-BC95630  Dipsacus fullonum Bruce Bartholomew 1995-8-1 7141 Modoc 14.8 km N of turn off to Cedarville on U.S. Hwy 395 and 8 km S of Davis Creek. 1450 Comment
  HSC7537  Dipsacus fullonum M. T. Milligan 1964-8-8 223 Modoc 200 yards S of Pine Creek Blvd. on Hwy. 395 1372 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
  JEPS68537  Distichlis spicata Leland S. Smith 1918-9-30 1060 Modoc Surprise Valley; alkali flats 1371 Comment
  UC70656  Distichlis spicata M. H. Manning Aug 1903 423 Modoc Collected in North-eastern Modoc County Comment
  CAS-BOT-BC218298  Dodecatheon alpinum Elmer Ivan Applegate 1932-8-3 8107 Modoc Mill Creek Meadows, W slope of Warner Mts. Comment
  CHSC70476  Dodecatheon alpinum A. Sanger 1997-6-22 2534 Modoc North Fitzhugh Creek where the road to the spring dead-ends. 2048 Comment
  JEPS14684  Dodecatheon alpinum Frances D. Payne 1931-6-29 299 Modoc e Warren Peak (South slope of Owl Creek, Warner Mountains); Warner Mountains, s slope Owl Creek, e of Warren Peak 2133 Comment
  CAS-BOT-BC218273  Dodecatheon conjugens var. conjugens Kenton L. Chambers 1964-4-28 2085 Modoc Hwy 139 between Tulelake and Canby, at junction with road to Perez, 3 mi. S of road to Clear Lake Reservoir. Comment
  CAS-BOT-BC218284  Dodecatheon conjugens var. conjugens R. M. Austin 1898-4-1 2308 Modoc Plains, Goose Lake. Comment
  JEPS114688  Downingia bacigalupii Lowell Ahart, John Dittes 2008-6-21 14985 Modoc Bottom of a large vernal pool, about 50 yards northwest of a large culvert, about 25 yards west of the large levee, in Big Valley, about 2.8 miles (air) north of the Headquarters at Ash Creek State Wildlife Area, about 5.4 miles (air) northeast of Bieber 1255 Comment
  RSA0039535  Downingia bacigalupii Lowell A. Ahart, John Dittes 2012-7-11 18334 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
  UC1025092  Downingia bacigalupii Leo Whitney 1934-5-27 1692 Modoc ca 15 mi nw Canby; Modoc National Forest, Hackamore 1463 Comment
  UC1191989  Downingia bacigalupii Herbert L. Mason and Verne Grant 1947-7-12 13414 Modoc s of Alturas (near s end of w side road); Pit River Valley Comment
  UC28969  Downingia bacigalupii Milo S. Baker 1893-7-25 Modoc near shore of Egg Lake Comment
  JEPS103626  Downingia bacigalupii Lisa Schultheis 1995-6-28 230 -95 Modoc N of Lookout on County Road 94. 0.3 mile S from Cedar Drive Comment
  JEPS108480  Downingia bacigalupii Steve Jessup Jul 1995 Modoc N of Canby. 1.4 mi N of Rt. 139 on Rt. 46 Comment
  CAS-BOT-BC95128  Downingia bicornuta var. bicornuta Bruce Bartholomew 1991-6-23 5881 Modoc 7.4 km NE of Crowder Flat Road on road between Dorris Brothers Reservoir and Cow Head Tank. 1520 Comment
  CAS-BOT-BC95133  Downingia bicornuta var. bicornuta Bruce Bartholomew 1991-7-6 5986 Modoc Sand Flat on Loveness Logging Road. 1370 Comment
  UCD149943  Downingia elegans William Anderson 1963-7-20 s.n. Modoc Devil's Garden. Comment
  CAS-BOT-BC95137  Downingia insignis Rimo Carlo Felice Bacigalupi; G. Smith 1957-6-28 5988 Modoc Along railroad, 0.8 mi. E of Canby. 1219 Comment
  SFV3646  Downingia insignis I. L. Wiggins, D. B. Wiggins 1961-6-16 16524 Modoc Roadside ditch in northern outskirts of Canby. 1310 Comment
  SEINET8733891 Image available Downingia insignis Margaret J. Williams 1984-1 84- 66 -1 Modoc extending E for more than 2 miles; 0.2 mi E of Hwy 395 at Ravendale 1524 Comment
  UC890623  Downingia insignis Lewis S. Rose 1940-6-11 40511 Modoc Canby 1325 Comment
  JEPS21908  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
  HSC80856  Draba albertina G. M. Riegel 1980-8-7 1013 Modoc S Warner Mtns. 2341 Comment
  UC10508  Draba albertina Mrs. C. C. Bruce June 1898 2248 Modoc Lake City Canyon Comment
  UC1258363  Draba albertina Gregg Riegel 1980-8-6 992 Modoc growing near Mill Ck (Upper Mill Ck Meadows); S Warner Mt. Wilderness, Upper Mill Ck Meadows 2499 Comment
  CAS-BOT-BC58588  Draba verna Bruce Bartholomew; Barrett Anderson 1988-5-12 4101 Modoc White Horse. 1340 Comment
  RSA520363  Draba verna Bruce Bartholomew, B. Anderson 1989-4-27 4620 Modoc 2.1 km SSE of Day on road to State Highway 299. 1020 Comment
  POM338222  Drymaria F. R. Fosberg 1957-8-18 38852 Modoc Upper Rush Creek Camp Ground, northeast of Adin. 1600 Comment
  UC1594773  Drymocallis David Charlet and Chris Petty 1988-8-12 156 Modoc 0.5 km sw Warren Peak; South Warner Mountains, sw of Warren Peak 2865 Comment
  CAS-BOT-BC214758  Drymocallis glandulosa Annie Montague Alexander; L. Kellogg 1946-7-23 5051 Modoc Emerson Peak, Warner Mts. Comment
  CAS-BOT-BC214763  Drymocallis glandulosa K. Paulson; Robert Paulson 1989-5-21 119 Modoc Near Fletcher Creek, Crowder Flat Road. 1341 Comment
  HSC25988  Drymocallis glandulosa var. glandulosa D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19492 Modoc Big Valley Summit, 6 mi. W of Adin on Hwy. 299 Comment
  CAS-BOT-BC214757  Drymocallis lactea var. austiniae Annie Montague Alexander; L. Kellogg 1946-6-30 4876 Modoc Highgrade, W side of ridge, N end of Warner Mts. 2377 Comment
  CAS-BOT-BC14808  Eatonella nivea Bruce Bartholomew 1991-5-24 5722 Modoc NE end of Surprise Valley, 6.5 km E of Fort Bidwell on road to Fee Reservoir. 1500 Comment
  RSA600329  Elatine brachysperma L. C. Wheeler 1935-8-3 3763 Modoc Warner Mountains: Pine Creek. 1738 Comment
  CHSC117249  Elatine californica Lowell Ahart; John Dittess 2016-7-16 21245 Modoc Strand of the second pond, south of Ash Creek Canal (now filled in), south of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.75 miles (air) west of Adin, Big Valley. 1273 Comment
  CHSC99781  Elatine californica Lowell Ahart; John Dittes 2008-6-21 14979 Modoc In shallow water, west end of a large culvert, west of the large levee, mountain meadow, in Big Valley, about 2.8 miles (air) north of the Headquarters at Ash Creek State Wildlife Area, about 5.4 miles (air) northeast of Bieber. 1255 Comment
  RSA210828  Elatine rubella R. F. Thorne, James Henrickson, C. W. Tilforth, K. Thorne 1969-9-4 39103 Modoc N Fork of Pit River 3.4 mi N of Alturas where crossed by Hwy 395. 1341 Comment
  POM313053  Eleocharis bella H. L. Mason 1947-8-13 13526 Modoc Northeast side of F reservoir, north of Canby Comment
  CAS-BOT-BC242384  Eleocharis bolanderi Milo Samuel Baker 1894-6-9 2254 Modoc Near Forestdale. Comment
  UC1100606  Eleocharis coloradoensis Herbert L. Mason 1947-8-12 13512 Modoc junction of North and South forks of Pit River, Alturas Comment
  CHSC117762  Eleocharis pachycarpa L. P. Janeway 2016-5-18 12073 Modoc Modoc Plateau. Devils Garden area; Island Meadow, along Road 47N08 2.1 road-km north of Road 73/181/47N09. Broad flat meadow in rolling terrain of yellow pine and juniper. 1606 Comment
  JEPS123860  Elodea canadensis Lowell Ahart, John Dittes 2015-7-16 20381 Modoc Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. Comment
  CAS-BOT-BC247720  Elymus X hansenii Clare Butterworth Hardham 1961-6-20 7869 Modoc Pine Creek Canyon. Comment
  UC1026707  Elymus X saundersii Leo Whitney 1935-7-27 3552 Modoc ca 15 mi nw Canby (bed of river); Modoc National Forest, Hackamore River 1463 Comment
  SJSU9592  Elymus caput-medusae W. Savage 1979-7-5 1358 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  HSC100177  Elymus cinereus J. P. Smith 2011-8-7 13359 Modoc Hwy 299 W of Alturas Comment
  CAS-BOT-BC247756  Elymus elymoides subsp. elymoides Clare Butterworth Hardham 1961-6-19 7855 Modoc Willow Creek. Comment
  UC1024922  Elymus elymoides subsp. elymoides Leo Whitney 1935-6-30 3357 Modoc ca 15 mi nw Canby; Modoc National Forest, Hackamore 1463 Comment
  HSC10953  Elymus elymoides var. elymoides M. T. Milligan 1966-8-3 629 Modoc West slope of Eagle Peak. 2439 Comment
  HSC10951  Elymus elymoides var. elymoides M. T. Milligan 1965-6-27 350 Modoc 1677 Comment
  CHSC112390  Elymus spicatus L. P. Janeway; B. Castro 2014-6-3 11316 Modoc Great Basin. Top of knoll between the lower end of Long Canyon and the lower end of Poison Springs Canyon, overlooking north end of Surprise Valley. 1567 Comment
  CHSC118820  Elymus spicatus L. P. Janeway 2014-7-8 11478 Modoc Modoc Plateau. East corner of Dry Creek Rim; along Road 47N08 (Corral Creek Road) 5.1 road-km north-northwest of Road 48 (along the west edge of Goose Lake). 1759 Comment
  HSC9671  Elymus trachycaulus M. T. Milligan 1964-7-20 157 Modoc N end of Jess Valley, near Mill Creek. 1677 Comment
  UCD32709  Elymus trachycaulus Beecher Crampton 1954-7-7 2137 Modoc Modoc County, west side of Cedar Pass. Comment
  CAS-BOT-BC247726  Elymus trachycaulus subsp. trachycaulus Bruce Bartholomew 1990-8-5 5665 Modoc Summit Trail, ca. 3 km N of Patterson Ranger Station, W side of Warner Mts. 2440 Comment
  RSA603848  Elymus trachycaulus subsp. trachycaulus L. C. Wheeler 1935-8-4 3780 Modoc Dry Lake, Pine Creek. Warner Mts. 2104 Comment
  SJSU9661  Elymus trachycaulus subsp. trachycaulus W. Savage 1979-7-9 1499 Modoc Round Valley, Triangle, Devils Garden District, Modoc National Forest 1493 Comment
  CAS-BOT-BC217290  Enemion stipitatum Bruce Bartholomew 1993-4-6 6417 Modoc Little Hot Spring Valley ca. 3 km NW of Day. 1060 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-BC191013  Epilobium brachycarpum Bruce Bartholomew 1989-8-10 5038 Modoc Little Hot Spring Valley, 3.2 km NW of Day. 1070 Comment
  CAS-BOT-BC191024  Epilobium brachycarpum John Thomas Howell 1934-7-1 12309 Modoc Duncan Horse Camp. 1355 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
  HSC26605  Epilobium brachycarpum D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19429 Modoc Near Hager Reservoir Comment
  HSC80898  Epilobium brachycarpum G. M. Riegel 1980-7-29 956 Modoc S Warner Mtns. 1670 Comment
  SD135586  Epilobium brachycarpum B. Bartholomew, B. Anderson 1990-7-21 5589 Modoc Bear Flat, West side of Warner Mountains Ranger Station, East side of Warner Mountains. 1830 Comment
  UC1191737  Epilobium brachycarpum Verne Grant and Irving Schneider 1947-8-27 8308 Modoc about 10 mi s Tulelake; Modoc National Forest Comment
  UC422802  Epilobium brachycarpum Milo S. Baker 1893-1 Modoc Egg Lake Comment
  CAS-BOT-BC497314  Epilobium brachycarpum Belknap C. Goldsmith 1912-8-6 88 Modoc West side of Goose Lake: Devil's Garden 1463 Comment
  SBBG125475  Epilobium campestre L. Ahart, J. Dittes 2012-7-11 18331 Modoc N edge of a meadow, ca. 1/8 mi E of the parking area on E side of Elkins Lane, Ash Crk State Wildlife Area, ca. 4 mi W of Adin, ca. 8 mi NE of Bieber, Big Valley 1266 Comment
  HSC16327  Epilobium ciliatum subsp. ciliatum M. T. Milligan 1965-6-23 306 Modoc N end of Jess Valley 1616 Comment
  HSC16379  Epilobium ciliatum subsp. ciliatum M. T. Milligan 1966-6-30 506 Modoc Slopes and ridges E of Jess Valley 1768 Comment
  CDA38072  Epilobium ciliatum subsp. ciliatum T. C. Fuller 1958-7-8 s.n. Modoc Corporation Ranch, Likely. 0 Comment
  UC1561069  Epilobium clavatum Dean Wm. Taylor with Glenn L. Clifton 1989-8-5 10438 Modoc steep volcanic cliffs Warner Mountains, E face Emerson Peak, Emerson Creek drainag 2560 Comment
  RSA502394  Epilobium clavatum D. W. Taylor 1989-8-5 10438 Modoc Emerson Creek drainage, E face Emerson Peak. 2561 Comment
  CAS-BOT-BC190976  Epilobium densiflorum Bruce Bartholomew 1989-7-14 4971 Modoc ca. 1 km E of Happy Camp Ranger Station. Comment
  CAS-BOT-BC190970  Epilobium glaberrimum subsp. glaberrimum Bruce Bartholomew; Barrett Anderson 1990-7-21 5569 Modoc N Barber Creek, road from Surprise Valley to Patterson Ranger Station, E side of Warner Mts. 1710 Comment
  CAS-BOT-BC248344  Epilobium hallianum B. Bartholomew; H. Sun 2002-6-24 8827 Modoc S end of Sweagert flat ca. 15.3 straight line km WNW of Aden 1820 Comment
  POM262687  Epilobium hornemannii subsp. hornemannii Bud Fuller 1936-7-10 62 Modoc 15 miles northeast of Alturas 1524 Comment
  CAS-BOT-BC190954  Epilobium minutum Bruce Bartholomew 1991-8-5 6075 Modoc Summit Trail, between Squaw Peak and Pepperdine, W side of Warner Mts. 2320 Comment
  CHSC100851  Epilobium obcordatum L. P. Janeway 2008-8-17 9562 Modoc Warner Mountains. North slope of Bald Mountain; just below the cliffs at the top of the peak. 2409 Comment
  NY1000489  Epilobium obcordatum F. M. Ownbey 1940-7-1 2157 Modoc Near summit of Cedar Peak, Warner Mountains Comment
  SEINET195699  Epilobium obcordatum Louise Kellogg, Annie M Alexander 1946-7-23 5050 Modoc Emerson Peak Warner Mountains Comment
  UCR34769  Epilobium obcordatum J. A. Harpel 1981-8-6 V- 15 Modoc Warner Mtns, South Warner Wilderness Area: E end of Patterson Lake, 7 mi NW of Eagleville 2744 Comment
  CAS-BOT-BC190936  Epilobium pallidum Alice Eastwood; John Thomas Howell 1940-6-13 8126 Modoc Near Davis Creek. Comment
  HSC29979  Epilobium pallidum D. H. Norris, S. Dowty, Thomas W. Nelson 1971-6-23 19503 Modoc Big Valley Summit, 6 mi. W of Adin on Hwy. 299 Comment
  UC1191613  Epilobium pallidum Herbert L. Mason and Verne Grant 1947-7-13 13441 Modoc on Hwy 395 n Davis Creek (e side of lake, near roadside); Goose Lake, Joseph Creek Comment
  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-BC190866  Epilobium pygmaeum Bruce Bartholomew 1989-7-14 4955 A Modoc Survice Gulch ca. 3 km NE of Egg Lake. 1340 Comment
  CDA34216  Epilobium pygmaeum L. Ahart, J. Dittes 2010-8-3 17058 Modoc About 10 yards east of the fence, south edge of the meadow, Ash Creek State Wildlife Area, 2300 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. Comment
  CAS-BOT-BC190859  Epilobium torreyi John Thomas Howell 1934-7-1 12304 Modoc Duncan Horse Camp. 1355 Comment
  CAS-BOT-BC30177  Equisetum laevigatum Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-13 16451 Modoc Wet meadow at southern outskirts of Fort Bidwell. Comment
  CHSC106207  Eragrostis pectinacea var. pectinacea Lowell Ahart; John Dittes 2010-8-31 17092 Modoc On the west side of Walters Road, 4235 feet south of Modoc County Line, about 4.3 miles (air) south-southwest of Adin, about 7.0 miles (air) northeast of Bieber, Big Valley. 1276 Comment
  JEPS117681  Eragrostis pectinacea var. pectinacea Lowell Ahart, John Dittes 2010-8-31 17092 Modoc On the west side of Walters Road, 4235 feet south of Modoc County Line, about 4.3 miles (air) south-southwest of Adin, about 7.0 miles (air) northeast of Bieber, Big Valley 1276 Comment
  CAS-BOT-BC248311  Eremogone aculeata B. Bartholomew; H. Sun 2002-6-24 8850 Modoc E of Bald Mt., on the E side of the Warner Mountains 2130 Comment
  CAS-BOT-BC95478  Eremogone aculeata Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-13 6534 Modoc Just W of Mud Lake on road to West Valley Reservoir. 1460 Comment
  CAS-BOT-BC95483  Eremogone aculeata Francis Dorris Payne 1932-6-26 602 Modoc Parker Creek. 1828 Comment
  CAS-BOT-BC95494  Eremogone aculeata Elmer Ivan Applegate 1932-8-5 8171 Modoc Cedar Pass, Warner Mts. Comment
  CAS-BOT-BC95496  Eremogone aculeata Francis Dorris Payne 1929-7-26 s.n. Modoc Mt. Warren, Warner Mts. Comment
  HSC68104  Eremogone aculeata J. P. Smith, J. O. Sawyer 1973-8-8 7232 Modoc Near summit of Eagle Peak 2988 Comment
  HSC80716  Eremogone aculeata G. M. Riegel 1978-8-18 112 Modoc S Warner Mtns. 1829 Comment
  CAS-BOT-BC95444  Eremogone congesta Bruce Bartholomew 1991-6-21 5797 Modoc 1.6 km S of Davis Creek on U.S. Hwy 395. 1450 Comment
  CAS-BOT-BC95446  Eremogone congesta Alice Eastwood; John Thomas Howell 1940-6-13 8135 Modoc W side of Fandango Pass. Comment
  CAS-BOT-BC95452  Eremogone congesta John H. Hatton 1911-6-12 41 Modoc Modoc County. 1524 Comment
  CAS-BOT-BC14811  Ericameria bloomeri Mrs. M. H. Manning 1905-9-15 s.n. Modoc Near Hall's Meadows. Comment
  CAS-BOT-BC291261  Ericameria bloomeri Mrs. C. C. Bruce 1899-8-1 s.n. Modoc Goose Lake Comment
  JEPS32931  Ericameria bloomeri W. L. Jepson 1918-8-6 7839 Modoc Surprise Valley 1615 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
  CAS-BOT-BC14820  Ericameria greenei Annie Montague Alexander; L. Kellogg 1946-8-9 5132 Modoc Patterson Lake Trail, Warner Mountains Comment
  UCD169852  Ericameria nauseosa var. oreophila Lowell Ahart; John Dittes 2010-8-30 17052 Modoc Ash Creek State Wildlife Area, 2,300 feet north of the Lassen County Line, about 3.6 miles(air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley. About 3 yards east of the fence, south edge of the meadow 1267 Comment
  HSC81022  Ericameria parryi var. nevadensis G. M. Riegel 1979-7-14 542 Modoc South Warner Mtns. 1739 Comment
  CAS-BOT-BC14781  Ericameria suffruticosa Bruce Bartholomew 1990-8-4 5633 Modoc Crest of the Warner Mts., ca. 0.5 km SE of Patterson Lake along Summit Trail. 2770 Comment
  CAS-BOT-BC42840  Erigeron austiniae Bruce Bartholomew 1993-6-14 6650 Modoc 2 km E of County Road 114 on County Road 108, NW of Clear Lake Reservoir. 1320 Comment
  UC1037318  Erigeron bloomeri var. bloomeri Leo Whitney 1934-5-13 1858 Modoc Timbered Mountain Modoc National Forest, Devil's Garden, Timbered Mountain 1524 Comment
  UC727058  Erigeron bloomeri var. bloomeri A. A. Heller 1941-6-24 16194 Modoc along US Hwy 299 just s Indian Springs Comment
  UC1036001  Erigeron bloomeri var. bloomeri Helen K. Sharsmith 1955-6-22 4482 Modoc just n Cedar Pass (on exposed, steep slope); Modoc National Forest, Warner Mountains 1889 Comment
  HSC5552  Erigeron chrysopsidis var. austinae R. C. Wunner 1965-6-13 166 Modoc NW entrance of Gillems Camp near Howitzer Circle 1220 Comment
  UC895614  Erigeron chrysopsidis var. austiniae C. L. Hitchcock 1940-5-27 6652 Modoc 9 mi ne Alturas 1402 Comment
  CAS-BOT-BC294960  Erigeron compositus Mrs. C. C. Bruce 1898-6-1 2180 Modoc Lake City Mt. Comment
  JEPS29178  Erigeron compositus Lauramay T. Dempster 1961-6-20 1716 Modoc ridge just north of junction of Dismal Creek Road with Fort Bidwell Road; Warner Mts. 2346 Comment
  UC748389  Erigeron compositus Annie M. Alexander and Louise Kellogg 1946-8-1 5103 Modoc crest of divide Eagle Peak 3019 Comment
  CAS-BOT-BC42822  Erigeron coulteri Bruce Bartholomew 1990-8-5 5679 Modoc Summit Trail, ca. 4 km N of Patterson Ranger Station, W side of Warner Mts. 2470 Comment
  HSC5504  Erigeron coulteri M. T. Milligan 1966-7-29 602 Modoc Slopes and ridges E of Jess Valley 1982 Comment
  UC31482  Erigeron coulteri Mrs. C. C. Bruce 1898-7-1 2314 Modoc head Davis Creek Comment
  CAS-BOT-BC42825  Erigeron divergens Barrett Anderson 1986-7-9 3160 Modoc County Rd 195 just E of Cedar Pass, Warner Mountains 1785 Comment
  JEPS5928  Erigeron divergens Frances D. Payne 1931-6-11 144 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  UC31460  Erigeron divergens M. S. Baker and Frank Nutting 1894-1 Modoc Comment
  CAS-BOT-BC42754  Erigeron eatonii var. plantagineus Annie Montague Alexander; L. Kellogg 1946-7-18 5013 Modoc Benton Meadow, Warner Mountains 2072 Comment
  CAS-BOT-BC42756  Erigeron eatonii var. plantagineus Margaret J. Williams 1984-6-28 84- 67 -2 Modoc 2 mi. N of intersection between Soldier Creek and Old Cannon Mill road, Warner Mtns., N of Cedar Pass 2057 Comment
  CAS-BOT-BC42792  Erigeron eatonii var. plantagineus M. M. Hanna 1956-6-7 1013 Modoc Hwy 139 between Canby and Tienesta. Comment
  SBBG8128  Erigeron eatonii var. plantagineus H. and M. Dearing 1939-6-9 3536 Modoc near Squaw Peak, Warner Mtns 2133 Comment
  RSA339142  Erigeron eatonii var. plantagineus Margaret J. Williams 1984-6-28 84- 67 -2 Modoc 2 miles N of intersection between Soldier Creek and Old Cannon Mill Roads. Warner Mts., N of Cedar Pass 2058 Comment
  CAS-BOT-BC42770  Erigeron elegantulus Bruce Bartholomew 1991-6-20 5778 Modoc 9.8 km E of junction of county roads 87 and 90. 1250 Comment
  RSA245024  Erigeron elegantulus D. H. Norris, Nelson, Dowty 1971-6-23 s.n. Modoc along the South fork of the Pit River, about 6 miles east of Likely Comment
  CAS-BOT-BC49628  Erigeron filifolius Annie Montague Alexander; L. Kellogg 1946-7-17 4999 Modoc South Fork Davis Creek, Warner Mountains 1676 Comment
  JEPS89679  Erigeron filifolius Dean Wm. Taylor with Glenn Clifton 1990-6-12 10889 Modoc near (site) Battle of Dry Lake (0.5 mi nw along right-of-way Pacific Gas Pipeline); Modoc Plateau 1280 Comment
  UC1540224  Erigeron filifolius Dean Wm. Taylor and Glenn L. Clifton 1987-6-27 9107 Modoc along Hwy 395 about 3.5 mi n of n junction with Highway 299 1371 Comment
  CAS-BOT-BC376189  Erigeron filifolius var. filifolius Andrew Townesmith; Karen M. Meyer 2007-9-15 933 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
  HSC81105  Erigeron glacialis var. glacialis G. M. Riegel 1980-8-6 994 Modoc S Warner Mtns. 2100 Comment
  CAS-BOT-BC49637  Erigeron inornatus var. inornatus Leland S. Smith 1922-7-24 1290 Modoc Grouse Mt. 1981 Comment
  CAS-BOT-BC49644  Erigeron linearis M. M. Hanna 1956-6-7 Modoc Highway 139, between Canby and Tienesta. Comment
  CAS-BOT-BC49646  Erigeron linearis M. Vasey 1990-6-28 9007 Modoc In vicinity of pass at junction of North Emerson Lake Trail and Owl Creek Trail. 2590 Comment
  JEPS41573  Erigeron linearis L. S. Smith 1918-6-23 962 Modoc High Grade District of Modoc Forest; , High Grade District 2286 Comment
  UC31441  Erigeron linearis Mrs. R. M. Austin and Bruce Jul 1898 2187 Modoc Comment
  UC71827  Erigeron linearis Mrs. M. H. Manning Jun 1 1904-Jul 1 1904 469 Modoc slopes above Alkali Lake (ne Modoc County) Comment
  RSA90968  Erigeron pumilus var. intermedius F. W. Peirson 1926-6-25 6885 Modoc 1 mile east of summit, Cedarville Road, Warner Mountains Comment
  CAS-BOT-BC497213  Eriogonum baileyi Gladys L. Smith; Margaret Williams; Loring Williams; Charles Smith 1983-9-13 8371 Modoc Adin Pass, Rte. 299 1574 Comment
  UC217539  Eriogonum baileyi var. baileyi H. M. Hall 1921-9-9 11664 Modoc 6 mi Malin Comment
  JEPS126552  Eriogonum douglasii var. meridionale Lowell Ahart, John Dittes 2016-6-6 20950 Modoc About 50 yards southwest of the intersection of County Road 87 and Access Road to Pilot Butte Parking Area, northeast base of Pilot Butte, 3.8 miles (air) east of Lookout, 7.5 miles (air) west of Adin, Ash Creek State Wildlife Area. Comment
  UC465987  Eriogonum elatum Mrs. M. H. Manning 1907-1 Modoc 12 Mile Creek Mt. Bidwell, 12 Mile Creek Comment
  HSC12266  Eriogonum elatum var. elatum Richard Spjut 1970-7-22 886 Modoc N Warner Mtns., 6 mi. from Lake City, on Rd. to Plum Valley Campground 1982 Comment
  CAS-BOT-BC197811  Eriogonum heracleoides var. heracleoides J. L. Reveal; Darin Scott Reveal 1978-8-11 4824 Modoc Warner Mts., Dismal Swamp, about 2 mi. N of Modoc Co. Road 2, at the NW end of Dismal Swamp S of Dismal Creek. 2225 Comment
  CAS-BOT-BC197812  Eriogonum heracleoides var. heracleoides Annie Montague Alexander; L. Kellogg 1946-7-14 5070 Modoc Emerson Peak, Horse Mountain, Warner Mts. Comment
  CAS-BOT-BC197817  Eriogonum heracleoides var. heracleoides Ernest Brown Babcock; George Ledyard Stebbins 1936-6-9 1816 Modoc Cedar Creek Canyon, about 3 miles west of Cedarville, Warner Mts. 1737 Comment
  RSA601441  Eriogonum heracleoides var. heracleoides Louis C. Wheeler 1935-8-2 3750 Modoc Warner Mountains: Twenty Mile Creek. 2195 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
  CAS-BOT-BC211408  Eriogonum nudum var. pubiflorum Bruce Bartholomew; Barrett Anderson 1988-7-23 4556 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-BC211449  Eriogonum nudum var. pubiflorum Robert J. Weatherby 1955-7-8 1637 Modoc 3 miles N of Ft. Bidwell, northern Warner Mts. 1554 Comment
  UC194967  Eriogonum nudum var. pubiflorum W. P. Taylor and H. C. Bryant 1910-7-13 Modoc Head N. Fork Parker Cr. Warner Mountains, N. Fork Parker Cr. 2286 Comment
  HSC17331  Eriogonum nudum var. pubiflorum M. T. Milligan 1964-7-25 195 Modoc Jess Valley 1.0mi N of S Fork Pit River on Clear Lake Rd. 1677 Comment
  RSA614431  Eriogonum nudum var. pubiflorum R. R. Halse 1991-7-28 4244 Modoc Along State Highway 139, 13 miles NW of its junction with State Highway 299 1469 Comment
  UC412793  Eriogonum nudum var. pubiflorum M. F. Gilman 574 Modoc 1676 Comment
  CAS-BOT-BC211396  Eriogonum ovalifolium var. nivale Bruce Bartholomew 1992-8-8 6367 Modoc Summit Trail at pass on W ridge of Warren Peak, E side of Warner Mountains. 2870 Comment
  CAS-BOT-BC258740  Eriogonum ovalifolium var. ovalifolium Mrs. H. C. Cantelow 1940-6-2 4179 Modoc S.E. of Indian Wells Ranger Station Comment
  RSA78967  Eriogonum ovalifolium var. ovalifolium E. K. Balls, Percy C. Everett 1952-10-11 18164 Modoc 4.9 mi. w. from turn off of Hwy 139 on road to Pumice Pits, e. edge of Glass Flow. 1280 Comment
  HSC81002  Eriogonum spergulinum var. reddingianum G. M. Riegel 1979-7-30 622 Modoc S Warner Mtns. 1829 Comment
  NY283068  Eriogonum spergulinum var. reddingianum J. T. Howell 1934-6-14 12123 Modoc Near Lost Lake, Warner Mountains 2438.4 Comment
  HSC81010  Eriogonum sphaerocephalum G. M. Riegel 1978-6-26 30 Modoc S Warner Mtns. 1739 Comment
  CAS-BOT-BC211379  Eriogonum sphaerocephalum var. halimioides Bruce Bartholomew 1990-6-18 5379 Modoc Crowder Flat Rd, 0.3 km N of turn off to Big Sage Reservoir. 1480 Comment
  CAS-BOT-BC211420  Eriogonum sphaerocephalum var. halimioides K. Paulson; Robert Paulson 1989-6-14 134 Modoc Ca. 1.5 mi. NE of Cedar Pass, Warner Mts. 1920 Comment
  CHSC67274  Eriogonum sphaerocephalum var. halimioides James D. Jokerst 1990-8-2 3211 B Modoc Hwy. 139 NW of Canby, ca. 300 m N of the road at the SE edge of a large dry lake, within the dry-down zone adjacent to a concrete overflow structure. Comment
  NY283115  Eriogonum sphaerocephalum var. halimioides Anonymous 1981-6-29 57 Modoc South of Goose Lake 1450.9 Comment
  NY283122  Eriogonum sphaerocephalum var. halimioides B. Anderson 1986-7-9 3159 Modoc Warner Mountains. Highway 299 just west of Cedar Pass. Comment
  POM319185  Eriogonum sphaerocephalum var. halimioides Patricia Wilder 1971-6-20 5096 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
  RSA531350  Eriogonum sphaerocephalum var. halimioides Bruce Bartholomew, B. Anderson 1988-6-25 4395 Modoc 5.6 km NW of State Highway 299 on County Rd. 73. 1500 Comment
  SEINET530722  Eriogonum sphaerocephalum var. halimioides Paul Opler 2008-7-12 Modoc Warner Mts., Cedar Pass, Hwy 299. N Slough Resvr. Campground. 1997 Comment
  SEINET5331614  Eriogonum sphaerocephalum var. halimioides M. J. Williams, Gladys Smith 1983-9-13 83- 153 -2 Modoc 1.6 mi beyond campground on Stowe Reservoir road, N of Cedar Pass Rd., Warner Mtns. 2012 Comment
  UC711867  Eriogonum sphaerocephalum var. halimioides Roxana S. Ferris and Laura Lorraine 1941-8-14 10594 Modoc 3 mi on the road to Eagleville Patterson Ranger Station; Warner Mountains, Modoc National Forest Comment
  CHSC67123  Eriogonum strictum var. anserinum James D. Jokerst 1987-5-14 2879 Modoc Radar Survey Site S of Doublehead Mtn., S of Clear Lake Reservoir, E and adjacent to SW-NE oriented fence. 1348 Comment
  HSC43011  Eriogonum strictum var. anserinum J. P. Smith, J. O. Sawyer 1973-8-8 7246 Modoc S slopes of Eagle Peak 2561 Comment
  NY283218  Eriogonum strictum var. anserinum M. J. Williams 1988-5-30 8826- 2 Modoc Jess Valley, south of roadside rest 1524.0 Comment
  CAS-BOT-BC497224  Eriogonum strictum var. proliferum Margaret J. Williams 1988-5-30 88- 26 -9 Modoc Jess Valley, E of Likely, S of roadside rest. 1524 Comment
  SEINET5331677  Eriogonum strictum var. proliferum M. J. Williams 1988-5-30 88- 26 -9 Modoc Jess Valley, E of Likely, S of roadside rest. 1524 Comment
  CAS-BOT-BC248339  Eriogonum umbellatum B. Bartholomew; H. Sun 2002-6-24 8810 Modoc Ridge top just S of Manzanita Mt. and 15.3 straight line km NW of Aden 2070 Comment
  SBBG30656  Eriogonum umbellatum D. Myrick 1968-6-20 1962 Modoc E edge of Alturas 1332 Comment
  HSC17346  Eriogonum umbellatum var. dichrocephalum M. T. Milligan 1964-6-17 46 Modoc 1 mi. N of Hwy. 139 on FS Rd. 44N15 1524 Comment
  RSA0118778  Eriogonum umbellatum var. dumosum Lawrence P. Janeway, B. Castro 2012-7-28 11036 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
  CHSC63413  Eriogonum umbellatum var. glaberrimum V. H. Oswald; Beth Corbin, Mike Dolan, Allison Sanger 1994-7-9 6373 Modoc Dismal Swamp ca. 6 mi (air) E of Hwy. 395, just S of the Oregon border. Scattered plants on a dry outcrop above a large meadow along Dismal Creek. 2218 Comment
  CHSC14172  Eriogonum umbellatum var. modocense K. R. Stern; D. B. Joley, J. G. Geschke 1974-6-23 5846 Modoc S side of Hwy. 139, between Canby and Hackamore. Comment
  UCR55660  Eriogonum umbellatum var. modocense G. R. Ballmer 1988-7-21 s.n. Modoc Warner Mtns., Warner Mountains, Bidwell Mountain, c. 3 mi. south of Oregon border in extreme NE corner of state Comment
  RSA554809  Eriogonum umbellatum var. modocense M. J. Williams 1988-5-30 88- 23 -1 Modoc First road into Big Sage Reservoir from Crowder Flat road, NW of Alturas. 1540 Comment
  CHSC114009  Eriogonum umbellatum var. nevadense L. P. Janeway 2014-7-8 11482 Modoc Modoc Plateau. East corner of Dry Creek Rim; along Road 47N08 (Corral Creek Road) 5.1 road-km north-northwest of Road 48 (along the west edge of Goose Lake). 1759 Comment
  CAS-BOT-BC197609  Eriogonum umbellatum var. polyanthum Margaret J. Williams 1988-5-30 88- 23 -1 Modoc First road into Big Sage Reservoir from Crowder Flat road, NW of Alturas. 1539 Comment
  CAS-BOT-BC197625  Eriogonum umbellatum var. polyanthum J. L. Reveal 1971-6-22 2461 Modoc Along U.S. Highway 395 at Davis Creek. 1432 Comment
  RSA238656  Eriogonum umbellatum var. polyanthum James L. Reveal 1971-6-22 2461 Modoc Along U.S. Highway 395 at Davis Creek. 1454 Comment
  RSA647843  Eriogonum umbellatum var. polyanthum W. P. Armstrong 1964-7-12 s.n. Modoc Rocky, sun, dry, ass. Ribes, Castilleja. Comment
  CAS-BOT-BC197588  Eriogonum vimineum Bruce Bartholomew; Barrett Anderson 1990-7-21 5563 Modoc N Barber Creek, road from Surprise Valley to Patterson Ranger Station, E side of Warner Mts. 1710 Comment
  CAS-BOT-BC197594  Eriogonum vimineum Bruce Bartholomew; Barrett Anderson 1988-6-25 4390 Modoc 5.6 km NW of State Highway 299 on County Road 73. 1500 Comment
  RSA101373  Eriogonum vimineum R. Weatherby 1955-7-8 1639 Modoc 3 mi. north of Ft. Bidwell, northern Warner Mts. 1555 Comment
  SBBG18303  Eriogonum vimineum C. B. Hardham 1961-6-19 7836 Modoc Davis Crk 1676 Comment
  SEINET10299467  Eriogonum vimineum W. L. Jepson 1918-8-6 7834 Modoc Fandango Creek above Buck Creek 1585 Comment
  SEINET5341981  Eriogonum vimineum R. R. Halse 2010-8-25 8084 Modoc Along State Hwy 139 ca. 25.5 miles northwest of its junction with State Hwy. 299, Modoc National Forest 1278 Comment
  JEPS56157  Eriogonum vimineum W. L. Jepson 1918-8-6 7834 Modoc above Buck Creek; Fandango Creek 1584 Comment
  POM145868  Eriogonum vimineum Francis Drouet, Donald Richards 1941-9-10 4142 Modoc in open woods on the hills 2 mi. northwest of Alturas, 1341 Comment
  SEINET5332129  Eriogonum vimineum J. Gentry Jr. 1968-7-4 2112 Modoc 15.2 miles northwest of Hwy. jct. Calif. 139 and Calif. 299, on Calif. 139. 1448 Comment
  CAS-BOT-BC49559  Eriophyllum lanatum Bruce Bartholomew; Barrett Anderson 1988-7-23 4563 Modoc Near Poison Lake ca. 5 km S of the road from U.S. Highway 395 to Lily Lake, Warner Mts.. 2000 Comment
  CAS-BOT-BC49597  Eriophyllum lanatum Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10512 Modoc Patterson Ranger Station (East Creek drainage), Modoc N.F., Warner Mtns. 2164 Comment
  CAS-BOT-BC49600  Eriophyllum lanatum Elmer Ivan Applegate 1971-8-7 8071 Modoc Mill Creek Meadow, W slope of Warner Mts. Comment
  SEINET3141733  Eriophyllum lanatum var. achilleoides L. S. Rose 1940-6-13 40544 Modoc Surprise, NE of Alturas 1372 Comment
  UC614627  Eriophyllum lanatum var. achilleoides L. Constance 1938-6-12 2334 Modoc 12.8 mi ne of Alturas (plateau near foot of Banner Grade, Cedar Pass road, w foothills of Warner Range); Warner Range, Cedar Pass road, Banner Grade Comment
  UC190611  Eriophyllum lanatum var. achilleoides M. F. Gilman 626 Modoc Comment
  SEINET8553351  Erodium cicutarium M. J. Williams, A. Tiehm, J. Nachlinger 1988-6-2 88- 27 -2 Modoc Highway 395 0.4 miles East of Susanville road after turn to Alturas Comment
  UC1191957  Eryngium alismifolium Herbert L. Mason 1947-8-12 13511 Modoc Alturas, junction of N. and S. Forks of Pit River Comment
  UC635846  Eryngium alismifolium Louis C. Wheeler 1935-8-21 3900 Modoc Pine Spring, Devils Garden 1524 Comment
  CAS-BOT-BC21477  Eryngium articulatum Bruce Bartholomew 1991-8-4 6013 Modoc W side of Goose Lake, 10.5 km N of McGinty Point. 1460 Comment
  CHSC100462  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
  RSA125350  Eryngium mathiasiae P. H. Raven 1958-6-18 13322 Modoc Small lake at eastern outskirts of lookout Post Office Comment
  UC1510466  Eryngium mathiasiae Phil Leitner and Barbara Malloch 1983-7-17 Modoc Modoc Nat'l Forest Rimrock Lake; , Rimrock Lake Comment
  CAS-BOT-BC184097  Eryngium mathiasiae B. Bartholomew 1989-8-10 5041 Modoc Little Hot Spring Valley, 3.9 km NW of Day 1070 Comment
  UC1481224 Image available Eryngium mathiasiae Yusuf Sheikh and Lincoln Constance 1973-6-27 551 Modoc on State Hwy 139 9.8 mi wwn <sic> Canby; ; Modoc Co. Comment
  RSA520352  Erysimum capitatum Bruce Bartholomew, B. Anderson 1989-6-3 4897 Modoc Ca 9 km SSW of Timber Mountain. 1370 Comment
  CAS-BOT-BC58332  Erysimum capitatum var. capitatum Bruce Bartholomew; Barrett Anderson 1989-6-3 4897 Modoc ca. 9 km SSW of Timber Mountain. 1370 Comment
  CAS-BOT-BC58573  Erysimum capitatum var. capitatum John Thomas Howell 1934-6-30 12285 Modoc Duncan Horse Camp. 1355 Comment
  HSC81066  Erysimum perenne G. M. Riegel 1980-8-21 1095 Modoc S Warner Mtns. 1829 Comment
  CAS-BOT-BC58335  Erysimum repandum Isabelo T. Kelly 1930-1-1 55 Modoc Modoc County. Comment
  HSC6956  Erysimum repandum M. T. Milligan 1964-6-6 4 Modoc N side of Dorris Reservoir along shore 1372 Comment
  JEPS53547  Erysimum repandum W. L. Jepson 1918-8-6 7850 Modoc Surprise Valley 1447 Comment
  RSA262451  Erysimum repandum W. A. Harvey 1954-6-3 s.n. Modoc Al Lindgren Ranch, 2 miles NE of Alturas. Comment
  CAS-BOT-BC229904  Erythranthe breweri Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10551 Modoc Patterson Ranger Station (East Creek drainage). 2164 Comment
  SEINET8380161  Erythranthe latidens B. Bartholomew 1993-6-12 6577 Modoc Road to Day Rock from Little Hot Spring Valley. 1250 Comment
  CAS-BOT-BC234503  Erythranthe microphylla Edward Kent Balls 1950-5-18 14752 Modoc N of Upper Rush Creek Public Camp, 2.5 mi. E of Hwy 299. 1737 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
  CHSC117246  Erythranthe suksdorfii Lowell Ahart; John Dittes 2016-7-16 21250 Modoc Strand of the second pond, south of Ash creek Canal (now filled in) south of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.75 miles (air) west of Adin, Big Valley. 1273 Comment
  CAS-BOT-BC95709  Euphorbia serpillifolia Bruce Bartholomew 1989-7-14 4961 Modoc Survice Gulch ca. 3 km NE of Egg Lake. 1340 Comment
  CAS-BOT-BC95714  Euphorbia serpillifolia Verne Grant; I. Schneider 1947-7-20 8089 Modoc Dorris Reservoir. Comment
  CAS-BOT-BC95716  Euphorbia serpillifolia Roxana Stinchfield Ferris; L. Lorraine 1941-8-14 10605 Modoc 8.5 mi. from Patterson Ranger Station on Eagleville road. Comment
  CDA36284  Euphorbia virgata C. Pirosko 2004-1 s.n. Modoc Tulelake area? 0 Comment
  UCR163271  Festuca Jim Andre 1993-7-2 1419 Modoc Modoc Plateau, about 12 miles NW of Canby on Hwy 139 1494 Comment
  CAS-BOT-BC247707  Festuca idahoensis Leland S. Smith 1924-6-1 1395 Modoc Lavas W of Egg Lake. 1310 Comment
  CAS-BOT-BC247708  Festuca idahoensis John Thomas Howell 1934-6-11 11929 Modoc Parker Creek. 1584 Comment
  HSC80818  Festuca idahoensis G. M. Riegel 1980-7-14 870 Modoc S Warner Mtns. 1739 Comment
  HSC9861  Festuca idahoensis R. C. Wunner 1965-7-1 324 Modoc Lava Beds N.M. Top of Gillems Bluff near M.W. Ranger Station. Comment
Read comments
Aug 20 2013
  UCD66113  Festuca idahoensis L. S. Smith 1918-8-18 1042 Modoc Bear Mt. Ridge North. Comment
  CDA28212  Festuca idahoensis A. A. Beetle 1941-6-29 2833 Modoc Near summit of Mt. Adin. Comment
  JEPS69267  Festuca supina Leland S. Smith 1918-1 865 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
  RSA60331  Floerkea proserpinacoides Louis C. Wheeler 1935-8-1 3733 Modoc Dismal Swamp, Twenty Mile Creek, Warner Mountains. 2226 Comment
  CAS-BOT-BC214653  Fragaria virginiana Bruce Bartholomew; Barrett Anderson 1988-5-12 4089 Modoc 4 km NW of White Horse. 1350 Comment
  POM518787  Frasera albicaulis var. nitida Barbara Ertter 1988-6-18 7620 Modoc Hwy 139 ca 50 airmiles SW of Klamath Falls, a few miles N of Agric. Inspection State, 1 mi S of S jct to Lava Beds Nat l Monument E of Tonesta. 1311 Comment
  UC22607  Fraxinus latifolia Milo S. Baker Jun 8 1893-Jun 25 1893 Modoc Egg Lake, Lava Bed side Egg Lake Comment
  CHSC67139  Fritillaria atropurpurea James D. Jokerst 1987-5-11 2824 Modoc Radar Survey Site S of Doublehead Mtn., S of Clear Lake Reservoir. 1363 Comment
  HSC97880  Fritillaria atropurpurea Juha Pykala, D. H. Norris 1987-5-28 1265 Modoc Warner Mtns., 3-4 mi. W of Lake City, Lake City Canyon 1829 Comment
  CAS-BOT-BC242094  Fritillaria pudica K. Paulson; Robert Paulson 1989-4-16 97 Modoc Crowder Flat Road, Devil's Garden. Comment
  HSC29996  Fritillaria pudica D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19394 Modoc Along Hager Basin Rd. near Big Sage Reservoir. Comment
  UC65052  Fritillaria pudica Milo S. Baker 1893-1 Modoc Forestdale Comment
  POM109772  Fritillaria pudica Mrs. R. M. Austin 485 Modoc Davis Creek Comment
  CAS-BOT-BC242088  Fritillaria recurva Bruce Bartholomew 1994-5-27 6705 Modoc Bowman Spring W side of the Whitehorse Mountains near the Siskyou County line. 1400 Comment
  CAS-BOT-BC225046  Galium aparine Bruce Bartholomew; Barrett Anderson 1989-6-1 4742 Modoc ca. 0.5 km S of State Hwy 299 on road to Shaker Spring. 1420 Comment
  CAS-BOT-BC248317  Galium aparine B. Bartholomew; H. Sun 2002-6-24 8862 Modoc Fandango Pass on the E side of the Warner Mountains near the crest of the mountains 1820 Comment
  RSA520349  Galium aparine Bruce Bartholomew, B. Anderson 1989-6-1 4742 Modoc Ca. 0.5 km S of State Hwy 299 on road to Shaker Spring. 1420 Comment
  CAS-BOT-BC225059  Galium bifolium Bruce Bartholomew 1991-8-6 6081 Modoc N Emerson Lake, E side of Warner Mts. 2370 Comment
  CAS-BOT-BC225060  Galium bifolium Bruce Bartholomew 1991-6-21 5804 Modoc Vicinity of Lily Lake, N end of the Warner Mountains. 2030 Comment
  CAS-BOT-BC225066  Galium glabrescens subsp. modocense G. Rugel 1981-6-23 1140 Modoc On ridgetop, S of Hwy 299, 0.5 mi. W of Cedarville. 1615 Comment
  CAS-BOT-BC225081  Galium serpenticum subsp. warnerense Clare Butterworth Hardham 1961-6-20 7865 Modoc Mouth of Pine Creek Canyon. Comment
  UC1192008  Galium trifidum var. pacificum Verne Grant and Irving Schneider 1947-8-24 8254 Modoc in creek Warner Mountains, Jess Valley 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
  CAS-BOT-BC180120  Garrya fremontii Belknap C. Goldsmith 1911-1-1 Modoc Fandango Valley. Comment
  CAS-BOT-BC190846  Gayophytum diffusum subsp. parviflorum Bruce Bartholomew 1989-7-14 4948 Modoc ca. 8 km NE of Egg Lake and 2.5 km E of Survice Gulch. 1340 Comment
  CAS-BOT-BC190829  Gayophytum humile Bruce Bartholomew 1991-6-20 5785 Modoc Top of Fox Mountain, ca. 10 airline km NW of Adin. 1900 Comment
  HSC31367  Gayophytum humile D. H. Norris, T. Nelson, S. Dowty 1971-6-23 19410 Modoc Along Hager Basin Rd. near Big Sage Reservoir. Comment
  RSA101494  Gayophytum racemosum R. Weatherby 1955-7-8 1609 -A Modoc 7 miles north of Ft. Bidwell, northern Warner Mts. 1875 Comment
  NY189520  Gentiana affinis B. M. Bartholomew 1989-8-12 5106 Modoc Ca. 3.2 airline miles W of Patterson Ranger Station on road to Jess Valley. 2060 Comment
  UC187819  Gentianopsis simplex Mrs. R. M. Austin Aug, 1894 95 Modoc head waters of Lassen Creek Comment
  CAS-BOT-BC180070  Geranium viscosissimum Elmer Ivan Applegate 1932-7-31 7975 Modoc Mill Creek Meadow. Comment
  JEPS61451  Geranium viscosissimum Frances D. Payne 1931-6-17 164 Modoc s and e of Alturas; Warner Mountains, Parker Creek 1584 Comment
  UC17135  Geranium viscosissimum Milo S. Baker 1893-7-15 Modoc Comment
  CAS-BOT-BC214655  Geum macrophyllum Roxana Stinchfield Ferris; R. Duthie 1919-6-13 49 Modoc Parker Creek near Modoc Nat. Forest Boundary. Comment
  HSC80698  Geum macrophyllum G. M. Riegel 1980-8-5 984 Modoc S Warner Mtns. 1829 Comment
  NY847800  Geum macrophyllum B. Anderson 1986-7-10 3196 Modoc Warner Mountains. West Warner Road at the North Fork of Pine Creek 1935 Comment
  CAS-BOT-BC214661  Geum triflorum Annie Montague Alexander; L. Kellogg 1946-7-11 4974 Modoc Eight Mile Creek, NE corner of County. Comment
  CAS-BOT-BC214668  Geum triflorum Edward Kent Balls 1950-5-20 14792 Modoc South Fork Public Camp, South Fork Pit River, Likely to Clear Lake. 1432 Comment
  UC466702  Geum triflorum Franklin P. Nutting 1894-6-8 Modoc Flat near Egg Lake Comment
  UCR163907  Geum triflorum Jim Andre 1993-6-30 1402 Modoc Modoc Plateau, about 10 miles NW of Canby on Hwy 139, near NW end of Oak Ridge 1494 Comment
  CAS-BOT-BC214662  Geum triflorum Elmer Ivan Applegate 1936-5-11 10273 Modoc Post Office Cavern, Lava Beds National Monument. Comment
  CAS-BOT-BC214667  Geum triflorum Fred. P. Cronemiller 1920-7-1 19 Modoc Lost Canyon, Bieber Range. 1463 Comment
  UC12260  Geum triflorum Mrs. R. M. Austin 1894-1 Modoc Northern California Comment
  CAS-BOT-BC190704  Gilia brecciarum subsp. brecciarum Elmer Ivan Applegate 1897-5-31 878 Modoc Cornell, SE of Tule Lake. Comment
  SEINET196555  Gilia capillaris Verne Grant, Alva Grant 1947-7-13 8013 Modoc At west end of Fandango Valley road from Goose Lake to Fort Bidwell Comment
  RSA63721  Gilia congesta var. montana Verne Grant, Alva Grant 1950-7-14 8944 Modoc North flank of Cedar peak near summit, Warner Mts., Modoc Co. 2287 Comment
  CAS-BOT-BC190697  Gilia inconspicua Bruce Bartholomew; Barrett Anderson 1989-4-29 4695 Modoc E side of Surprise Valley, just W of the Nevada border and ca. 15 km E of Cedarville. 1500 Comment
  CAS-BOT-BC190691  Gilia leptalea subsp. leptalea Bruce Bartholomew 1995-7-30 7040 Modoc 3.0 km E of Day on County Road 94. 1050 Comment
  CAS-BOT-BC190692  Gilia leptalea subsp. leptalea Bruce Bartholomew 1994-7-1 6762 Modoc 15.1 km NW of State Hwy. 299 on road to Dutch Flat. 1460 Comment
  UC23639  Gilia salticola Mrs. C. C. Bruce June 1898 2328 Modoc near Likely; near Likely Comment
  CAS-BOT-BC190675  Gilia sinistra subsp. sinistra Clare Butterworth Hardham 1961-6-18 7815 Modoc Cedar Pass. Comment
  CAS-BOT-BC95144  Githopsis specularioides Bruce Bartholomew 1995-6-1 6919 Modoc NW edge of Little Hot Spring Valley NW of Day. 1080 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
  CAS-BOT-BC218302  Glaux maritima Arnold Tiehm; S. Cochrane; Jan Nachlinger; Gary Schoolcraft 1984-6-24 8796 Modoc Surprise Valley Mineral Wells on E side of Alkali Lake. 1371 Comment
  CAS-BOT-BC247694  Glyceria striata Leland S. Smith 1918-8-18 1040 Modoc South Fork East Creek, Eagle Peak Range. 2682 Comment
  CAS-BOT-BC49534  Gnaphalium palustre Herbert Louis Mason 1947-8-13 13521 Modoc NE side of F Reservoir, N of Canby. Comment
  CAS-BOT-BC49536  Gnaphalium palustre John Thomas Howell 1934-6-15 12203 Modoc Dorris Reservoir, 2 miles E of Alturas Comment
  HSC41110  Gnaphalium palustre Thomas W. Nelson, Jane P. Nelson, James Nelson 1976-8-29 3249 Modoc Modoc National Forest: along Hwy. 299 just NW of Adin Pass 1524 Comment
  UC1192121  Gnaphalium palustre Herbert L. Mason 1947-8-13 13521 Modoc ne side of F reservoir (n of Canby) Comment
  SJSU9641  Gratiola ebracteata W. Savage 1979-7-8 1469 Modoc Round Valley Unit, Devils Garden District, Modoc National Forest 1493 Comment
  CAS-BOT-BC229886  Gratiola heterosepala M. Vasey 1990-6-30 9040 Modoc Near Curtis Water Hole, NW of Egg Lake. 1300 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
  UC1191878  Gratiola neglecta Verne Grant and Irving Schneider 1947-7-18 8038 Modoc Eastside Canal s Alturas (5 mi n of Bayley's bridge) 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
  CAS-BOT-BC304879  Grindelia hirsutula L. S. Smith 1925-7-1 1507 Modoc Modoc National Forest. Webb Flat above Egg Lake 1310 Comment
  CHSC67342  Grindelia nana James D. Jokerst 1986-8-10 2754 Modoc Radar Site Survey S of Doublehead Mtn., Rimrock Lake. 1341 Comment
  CHSC85168  Grindelia nana John Dittes; Josephine Guardino 1991-8-23 448 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
  CHSC99904  Grindelia nana Lowell Ahart; John Dittes 2008-8-21 15279 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
  CAS-BOT-BC54094  Hackelia cusickii John Thomas Howell 1934-6-11 11960 Modoc Parker Creek, Warner Mountains 1584 Comment
  CAS-BOT-BC54096  Hackelia cusickii Bruce Bartholomew; Mona Bourell 1990-4-28 5209 Modoc 4.3 km SE of Rush Creek on road to Hunters Ridge. 1550 Comment
  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
  CAS-BOT-BC54052  Hackelia micrantha K. Paulson; Robert Paulson 1991-7-7 234 Modoc Deep Canyon Road, E side of Warner Mountains. 2057 Comment
  CAS-BOT-BC54055  Hackelia micrantha Elmer Ivan Applegate 1932-8-3 8135 Modoc W slope of Eagle Peak, Warner Mountains Comment
  CAS-BOT-BC54060  Hackelia micrantha Robert Patterson; Mona Bourell 1993-8-15 5272 Modoc Warner Mountains. Along trail from Patterson Lake to ca. 2 mi north towards Pepperdine Trailhead. 2743 Comment
  HSC80932  Hackelia micrantha G. M. Riegel 1980-7-29 965 Modoc S Warner Mtns. 2100 Comment
  JEPS86312  Hackelia micrantha Jack and Betty Guggolz 1988-6-28 958 Modoc groves w of Jenkins Spring Comment
  CAS-BOT-BC497194  Hackelia micrantha E. Joyal; D. Mehlman 1988-6-28 1291 Modoc N. Warner Mts., ridge road Comment
  UC24791  Hackelia micrantha Mrs. R. M. Austin and Bruce 1898-6-1 2268 Modoc Lake City Canyon Comment
  POM55333  Helianthella californica var. nevadensis Milo S. Baker 1893-6-20 s.n. Modoc [Unspecified] Comment
  SEINET11841732  Helianthella californica var. nevadensis A. Seneres, Harold, N. 1983-1 109 Modoc southern section of Warner Mountains Comment
  CAS-BOT-BC49547  Helianthus annuus Isabelo T. Kelly 1930-1-1 35 Modoc Fort Bidwell. Comment
  HSC5788  Helianthus bolanderi M. T. Milligan 1964-8-8 212 Modoc Corner of East D and 8th Street, Alturas 1372 Comment
  RSA505417  Helianthus cusickii R. C. Bacigalupi 1957-6-28 5986 Modoc On road along US Hwy 299, 2 miles east of railroad crossing (S.P.) near Canby 1311 Comment
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Jul 31 2007
  UC32401  Heliotropium curassavicum Mrs. R. M. Austin Aug., 1894 Modoc Pitt River Comment
  HSC3673  Heliotropium curassavicum var. oculatum D. E. Anderson 1962-8-6 2329 Modoc 1 mi. S of Alturas, along 395 Comment
  CAS-BOT-BC49380  Hemizonella minima John Thomas Howell 1934-7-1 12312 Modoc Duncan Horse Camp, 6 mi. E of Perez. 1355 Comment
  RSA0113964  Hemizonia lobbii Lowell A. Ahart, John Dittes 2008-8-25 15328 Modoc On the east side County Road 91, 3.9 miles (air) north-northeast of Lookout. 1276 Comment
  CAS-BOT-BC21469  Heracleum lanatum Roxana Stinchfield Ferris; R. Duthie 1919-6-15 163 Modoc Parker Creek at Modoc National Forest boundary. Comment
  JEPS5965  Heracleum lanatum Frances D. Payne 1931-6-20 200 Modoc s. and e. Alturas (Parker Creek); Warner Mts., Parker Creek 1584 Comment
  UC1191960  Heracleum lanatum Verne Grant and Irving Schneider 1947-7-21 8130 Modoc n. Alturas (N. Fork Pit R., by bridge on Hwy. 395); N. Fork Pit R. Comment
  UC71555  Heracleum lanatum Mrs. M. H. Manning 1903-1 195 Modoc creeks near Fort Bidwell; n.e. Modoc Co. Comment
  CAS-BOT-BC180036  Hesperochiron pumilus Annie Montague Alexander; L. Kellogg 1946-6-15 4781 Modoc Deep Creek. 2194 Comment
  JEPS101014  Hesperolinon micranthum Dean W. Taylor 1989-8-4 10525 Modoc Emerson Creek drainage; Cole Creek, on road to Emerson Camp from Surprise Valley Comment
  UC1212250  Hesperolinon micranthum Helen K. Sharsmith 1955-6-25 4506 Modoc n slope Jess Valley; Warner Mountains, Modoc National Forest 1584 Comment
  RSA503053  Hesperolinon micranthum Bruce Bartholomew, B. Anderson 1988-6-23 4224 Modoc 2.1 km SSE of Day on the road to State Highway 299. 1020 Comment
  SD51762  Hesperolinon micranthum Helen K. Sharsmith 1955-6-25 4506 Modoc Modoc National Forest, Warner Mountains. North slope of Jess Valley. 1584 Comment
  SEINET195678  Heuchera cylindrica Annie M. Alexander, L Kellogg 1946-7-29 5089 Modoc Warner Mountains; Head of Eagle Creek. Comment
  UC1553376  Heuchera cylindrica var. ovalifolia Sch/Yor/Hor/Ach 1988-7-16 1837 Modoc on upper slopes of Squaw Peak; Warner Mts, Squaw Peak 2621 Comment
  UC748229  Heuchera cylindrica var. ovalifolia Annie M. Alexander and Louise Kellogg 1946-7-29 5089 Modoc Head of Eagle Creek; Warner Mountains Comment
  UC566692  Hieracium albiflorum F. H. Frost 1925-7-24 137 Modoc Jess Valley Warner Mountains Comment
  RSA504613  Hieracium albiflorum Bruce Bartholomew, B. Anderson 1988-7-21 4413 Modoc Whitehorse Mountains, 11 km N of Day on the road to Whitehorse Flat Reservoir. 1340 Comment
  CAS-BOT-BC49479  Hieracium scouleri Bruce Bartholomew; Barrett Anderson 1990-7-20 5475 Modoc 10.3 km N of Buck Creek Ranger Station, crest of Warner Mountains W side of Warner Mts. 2130 Comment
  CAS-BOT-BC49480  Hieracium scouleri Leland S. Smith 1917-7-18 76 Modoc Soldier Creek, Modoc N.F. 1950 Comment
  CAS-BOT-BC49518  Hieracium scouleri John Thomas Howell 1934-6-13 12076 Modoc Fandango Pass, Warner Mountains 1828 Comment
  RSA540064  Hieracium scouleri Bruce Bartholomew, B. Anderson 1990-7-20 5474 Modoc 10.3 km north of Buck Creek Ranger Station, crest of Warner Mountains west side of Warner Mountains. 2130 Comment
  SEINET11915820  Holodiscus dumosus M. Ownbey, Meyer, F. G. 1940-1 2155 Modoc Cedar Park, Warner Mtns 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-BC214700  Holodiscus microphyllus var. glabrescens John Thomas Howell 1934-6-13 12068 Modoc Fandango Pass, Warner Mts. 1828 Comment
  HSC68796  Holosteum umbellatum Gary Schoolcraft 1980-4-29 218 Modoc S of substation on N side of Hwy. 299 to Cedarville 1512 Comment
  CAS-BOT-BC95209  Holosteum umbellatum subsp. umbellatum Bruce Bartholomew 1994-5-28 6711 Modoc 8.5 km E of Likely on road to Jess Valley along the S Fork of the Pit River. 1620 Comment
  CAS-BOT-BC247681  Hordeum brachyantherum subsp. brachyantherum John Thomas Howell 1934-6-30 12292 Modoc Duncan Horse Camp. Comment
  CAS-BOT-BC247682  Hordeum brachyantherum subsp. brachyantherum Leland S. Smith 1924-5-31 s.n. Modoc Egg Lake Ranch near S end. Comment
  CAS-BOT-BC247687  Hordeum brachyantherum subsp. brachyantherum Bruce Bartholomew; Barrett Anderson 1988-7-21 4469 Modoc Vicinity of Patterson Campground, southern end of the Warner Mts. 2190 Comment
  CHSC99778  Hordeum brachyantherum subsp. brachyantherum Lowell Ahart; John Dittes 2008-6-21 15001 Modoc On dry bare soil, near a new man made shallow pond, mountain meadow, in Big Valley, about 3.3 miles (air) north of the Headquarters at Ash Creek State Wildlife Area, about 6.0 miles (air) northeast of Bieber. 1260 Comment
  SEINET10591641  Hordeum jubatum Louis C. Wheeler 1935-8-2 Wheeler 3743 Modoc Damp sunny meadow. Dismal Swamp, Twenty Mile Creek, Warner Mts. S31, T48N, R16E. 2225 Comment
  UCR136427  Hordeum jubatum var. caespitosum Beecher Crampton 1954-7-7 2160 Modoc Modoc Plateau, 2.5 miles east of Alturas, near radio station KCNO 1341 Comment
  UCD85774  Hordeum marinum subsp. gussoneanum A. A. Beetle 1941-6-29 2839 Modoc Near summit of Mt. Adin. 1828 Comment
  CAS-BOT-BC214706  Horkelia fusca M. Vasey 1990-6-30 9033 Modoc Near Lava Camp (road end), Egg Lake. 1300 Comment
  UC748064  Horkelia fusca subsp. capitata Annie M. Alexander and Louise Kellogg 1946-8-9 5144 Modoc Patterson Lake Trail Warner Mtns Comment
  POM34909  Horkelia fusca subsp. capitata R. M. Austin 1895-07 s.n. Modoc Willow Creek (Devils Garden) Comment
Read comments
Jul 11 2010
  POM520354  Horkelia fusca subsp. parviflora Bruce Bartholomew, B. Anderson 1989-6-3 4901 Modoc 8 km WNW of Long Bell Ranger Station. 1349 Comment
  SEINET248325  Hornungia procumbens Noel H. Holmgren, Patricia K. Holmgren 1998-5-30 12995 Modoc Surprise Valley, Modoc County Road 299, 6.9 km (4.3 mi) east od downtown Cedarville, at a turnoff to some hotsprings. 1370 Comment
  SD87678  Hydrophyllum capitatum Frank W. Peirson 1926-6-25 6875 Modoc Warner MTs. Cedarville Rd. 1 mi E of summit. Comment
  CAS-BOT-BC179323  Hydrophyllum capitatum var. alpinum Bruce Bartholomew; Barrett Anderson 1988-5-12 4099 Modoc White Horse. 1340 Comment
  CAS-BOT-BC180024  Hydrophyllum capitatum var. alpinum Roxana Stinchfield Ferris; R. Duthie 1919-6-14 80 Modoc Parker Creek. Comment
  RSA77052  Hydrophyllum capitatum var. alpinum F. W. Peirson 1926-6-25 6875 Modoc small side canyon on Cedarville road 1 mile W of summit of Warner Mts. Comment
  SEINET195702  Hydrophyllum capitatum var. alpinum Annie M. Alexander, Louise Kellogg 1946-7-24 5077 Modoc Bear Camp Flat, Warner Mountains. 2286 Comment
  RSA420899  Hydrophyllum capitatum var. alpinum Christopher Davidson 1975-6-4 2616 Modoc 2.5 miles W of Cedarville on Hwy 299. 1677 Comment
  HSC59908  Hymenoxys hoopesii G. M. Riegel 1979-7-24 595 Modoc South Warner Mt. Wilderness Area 2561 Comment
  UC195008  Hymenoxys hoopesii W. P. Taylor and H. C. Bryant 1910-7-24 Modoc Squaw Pk. Warner Mountains, Squaw Pk. 2590 Comment
  UC19052  Hypericum M. S. Baker and Frank Nutting 1894-6-20 Modoc Near Whitehorse Lake Comment
  CAS-BOT-BC179904  Hypericum anagalloides Bruce Bartholomew 1995-7-30 7066 Modoc NE side of Big Valley Mountains, W of Lookout Junction. 1310 Comment
  RSA149060  Hypericum androsaemum I. L. Wiggins, Dorothy B. Wiggins 1961-6-14 16477 Modoc Camp ground on Lassen Creek, 1.6 mi. above ford, Warner Mountains Comment
  UC635673  Hypericum formosum var. scouleri F. H. Frost 1900-7-24 103 Modoc Jess Valley Warner Mts., Jess Valley Comment
  CAS-BOT-BC179103  Iliamna bakeri Alice Eastwood; John Thomas Howell 1940-6-14 8242 Modoc Between Mammoth Cave and Lava Beds Nat. Mon. Comment
  UCD133486  Ionactis alpina C. N. Saulisberry 1964-7-1 s.n. Modoc eastern Modoc County. Comment
  UC194968  Ipomopsis aggregata W. P. Taylor and H. C. Bryant 1910-6-25 Modoc Parker Creek Warner Mtns 1676 Comment
Read comments
Apr 26 2007
  UC879820  Ipomopsis aggregata Lewis S. Rose 1940-6-13 40555 Modoc Fandango Pass Comment
  CHSC50766  Ipomopsis congesta Marion Ownbey; Fred G. Meyer 1940-7-1 2133 Modoc Cedar Pass, Warner Mts. Comment
  UC705718  Ipomopsis congesta Marion Ownbey and Fred G. Meyer 1940-7-1 2133 Modoc Cedar Pass Warner Mtns Comment
  UC449787  Ipomopsis congesta M. F. Gilman 510 Modoc Comment
  SJSU8827  Ipomopsis congesta subsp. montana H. L. Buckalew 1961-7-1 Modoc lower slopes Cedar Mt, Warner Mts 2194 Comment
  CAS-BOT-BC190635  Ipomopsis congesta subsp. palmifrons Elmer I. Applegate 1935-6-10 9486 Modoc Lave Beds National Monument, Caldwell Butte. Comment
  CAS-BOT-BC245096  Iris missouriensis Bruce Bartholomew; Barrett Anderson 1989-6-1 4759 Modoc ca. 0.5 km W of Davis Creek on road to S end of Goose Lake. 1460 Comment
  CAS-BOT-BC245103  Iris missouriensis Mrs. H. C. Cantelow 1940-6-1 s.n. Modoc Fandango Pass. Comment
  CAS-BOT-BC245105  Iris missouriensis M. M. Hanna 1956-6-7 1022 Modoc Hwy 395, 0.25 mi N of Davis Creek. Comment
  UC4305  Iris missouriensis Mrs. R. M. Austin and Bruce Jun 1898 2231 Modoc Goose Lake valley Comment
  UCD138700  Iris missouriensis Malcolm A. Nobs; S. Galen Smith 1949-5-29 770 Modoc one mile east of Lake City. Comment
  CHSC112817  Isatis tinctoria Lowell Ahart; John Dittes 2013-7-25 18962 Modoc 30 yards north of the east-west fence, south edge of Ash Creek Floodplain, northeast of Patterson Homestead, east of Elkins Lane, 1.0 mile (air) south of County Road 87, 3.14 miles (air) west of Adin, Big Valley. 1267 Comment
  UC2043246  Isatis tinctoria Barbara Ertter 1995-7-1 14457 Modoc Highway 395 south of New Pine Creek on Oregon border, at junction of County Road 44. Comment
  RSA639344  Isoetes howellii L. C. Wheeler 1935-10-6 4025 Modoc Lily Lake, Pine Creek. (Mt. Diablo Mer.) 2073 Comment
  UC72783  Isopyrum stipitatum Milo S. Baker 1896-5-15 Modoc Taylor Mt. Comment
  CAS-BOT-BC49491  Iva axillaris subsp. robustior Bruce Bartholomew; Barrett 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
  RSA210859  Iva axillaris subsp. robustior R. F. Thorne, James Henrickson, C. W. Tilforth 1969-9-4 39124 Modoc N Fork of Pit River 3.4 mi N of Alturas where crossed by Highway 395. 1341 Comment
  UC89107  Iva axillaris subsp. robustior Mrs. R. M. Austin 1894-8-1 234 Modoc Goose Lake Valley Comment
  UC1192142  Iva axillaris subsp. robustior Verne Grant and Irving Schneider 1947-7-21 8110 Modoc 1/4 mi upstream from confluence with South Fork, by Alturas; North Fork of Pit River Comment
  JEPS86283  Ivesia baileyi var. beneolens Dean Wm. Taylor with Glenn Clifton 1990-6-25 11164 Modoc Cedar Pass Warner Mountains, Davis Creek 15' U.S.G.S. topographic map (n slope of Peak 7298) 2148 Comment
  JEPS91217  Ivesia gordonii Dean Wm. Taylor with Glenn L. Clifton 1989-8-5 10464 Modoc Warner Mountains, steep northeast face Eagle Peak 2880 Comment
  JEPS114889  Juncus brachyphyllus Lowell Ahart, John Dittes 2008-8-26 15350 Modoc On the bottom 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
  UC711812  Juncus confusus Roxana S. Ferris and Laura Lorraine 1941-8-14 10580 Modoc 3 mi from Patterson Ranger Station (on road to Eagleville); Modoc National Forest, Warner Mountains Comment
  CAS-BOT-BC245064  Juncus confusus John H. Hatton 1911-6-12 55 Modoc unspecified 1463 Comment
  CHSC109640  Juncus ensifolius Lowell Ahart; John Dittes 2012-7-12 18369 Modoc North edge of Ash Creek, south of the gravel pit, about 1/8 mile east of the parking area on the east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adam, about 8 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  CAS-BOT-BC245044  Juncus nevadensis Bruce Bartholomew; Barrett Anderson 1988-7-23 4584 Modoc Vicinity of Blue Bell Mine between Lily Lake and Dismal Swamp, Warner Mts.. 2170 Comment
  CHSC38994  Juncus nevadensis J. D. Jokerst 1983-7-18 1843 Modoc Large meadow area called Miller Flat at the east edge of mdw. NW of the town of Aden. Comment
  UC1601789  Juncus nevadensis Baker and Nutting 1894-7-12 Modoc Dixie Valley Comment
  RSA368256  Juncus orthophyllus George Willet 1935-6-14 s.n. Modoc 4 miles E of Likely. 1524 Comment
  RSA648507  Juncus parryi Marion P. Harthill 1972-9-7 1826 Modoc Dismal Swamp Area, Modoc National Forest. 2287 Comment
  SEINET6173599  Juncus trilocularis L. C. Wheeler 1935-9-23 4001 Modoc Pease Flat, Devil's Garden 1524 Comment
  NY21392  Juniperus communis B. M. Bartholomew 1990-6-16 5262 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-BC81201  Juniperus occidentalis Florence Angwin 1946-5-4 s.n. Modoc Adin Comment
  HSC80923  Juniperus occidentalis G. M. Riegel 1979-8-13 655 Modoc S Warner Mtns. 1670 Comment
  NY20194  Juniperus occidentalis F. R. Fosberg 1957-8-18 38855 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
  UCR162658  Juniperus occidentalis subsp. occidentalis David A. Charlet 1992-6-2 979 Modoc S. Warner Mountains, E of Patterson Guard Station 1829 Comment
  CAS-BOT-BC30151  Juniperus occidentalis var. occidentalis Belknap C. Goldsmith 1910-8-1 17 Modoc Fandango Creek, 3 mi E of Goose Lake. 1584 Comment
  CHSC112819  Juniperus occidentalis var. occidentalis Lowell Ahart; John Dittes 2013-7-25 18949 Modoc 20 yards north of the east-west fence, south edge of Ash Creek Floodplain, northeast of Patterson Homestead, east of Elkins Lane, 1.0 mile (air) south of County Road 87, 3.14 miles (air) west of Adin, Big Valley. 1267 Comment
  CAS-BOT-BC225088  Kelloggia galioides Alice Eastwood; John Thomas Howell 1940-6-13 8153 Modoc Fandango Pass. Comment
  CAS-BOT-BC225094  Kelloggia galioides Bruce Bartholomew; Barrett Anderson 1988-7-22 4480 Modoc Vicinity of East Creak Trailhead, southern end of the Warner Mts. 2210 Comment
  HSC80760  Kelloggia galioides G. M. Riegel 1980-7-31 937 Modoc South Warner Mtns. 2100 Comment
  UC748482  Kelloggia galioides Annie M. Alexander and Louise Kellogg 1946-7-23 5039 Modoc e slope Emerson Peak; Warner Mountains Comment
  CAS-BOT-BC95540  Kochia americana Bruce Bartholomew; Barrett 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
  CAS-BOT-BC247640  Koeleria macrantha Leland S. Smith 1920-7-13 1180 Modoc Crowder Flat. 1371 Comment
  CAS-BOT-BC247646  Koeleria macrantha John Thomas Howell 1934-7-1 12347 Modoc Duncan Horse Camp. 1355 Comment
  UC1024973  Koeleria macrantha Leo Whitney 1935-7-6 3431 Modoc Pit River near Lookout; Pit River near Lookout Comment
  UC60745  Koeleria macrantha M. S. Baker and Frank Nutting 1894-6-29 Modoc Big Valley Comment
  UC485313  Kyhosia bolanderi Franklin P. Nutting Modoc Forestdale 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
  CDA35632  Lactuca tatarica var. pulchella J. R. Keck Jr., C. B. Greenbank 1980-8-21 PDR# 330198 Modoc Tulelake; near Newell townsite. 0 Comment
  CHSC110887  Lagophylla ramosissima subsp. ramosissima Lowell Ahart; John Dittes 2012-7-12 18376 Modoc On the east side of Elkins Lane, about 100 yards north of the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1262 Comment
  CHSC117290  Lamium amplexicaule Lowell Ahart; John Dittes 2016-7-14 21174 Modoc South of Ash Creek Canal (now filled in), south of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. 1273 Comment
  UC15399  Lathyrus brownii Milo S. Baker 1893-6 Modoc Comment
  RSA648325  Lathyrus lanszwertii Marion P. Harthill 1972-6-17 841 Modoc Cedar Pass 1921 Comment
  SEINET10936979  Lathyrus nevadensis Billy Joe Cox, David B. Dunn 1971-6-3 Cox 2616 Modoc 4 mi s of davis creek on us hwy 395; in very mesic grassladn sedge meadow; Lupines very sparse and approximately a week or more behind th eflowering of Those near alturas. 1402 Comment
  CAS-BOT-BC181970  Lathyrus rigidus E. S. Willits 1940-5-4 208 Modoc Willow Ranch. Comment
  CAS-BOT-BC181976  Lathyrus rigidus Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-10 6441 Modoc Just NE of Davis Creek Cemetery, 1.3 km E of Davis Creek. 1500 Comment
  POM30572  Layia glandulosa subsp. glandulosa Mrs. R. M. Austin 1895-08 536 Modoc Alturas Comment
  CHSC106209  Lemna minor Lowell Ahart; John Dittes 2010-8-31 17122 Modoc South side of a small stream, about 5 yards west of Elkins Lane, about 150 yards north of the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1274 Comment
  CAS-BOT-BC88679  Lepidium acutidens Alice Eastwood; John Thomas Howell 1940-6-11 8019 Modoc Near Canby. Comment
  CAS-BOT-BC58457  Lepidium campestre Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-13 16467 Modoc 2.6 mi. N of Buck's Creek Ranger Station, E side of Goose Lake. Comment
  CAS-BOT-BC58665  Lepidium chalepense Bruce Bartholomew 1991-6-20 5772 Modoc Just N of Lassen County line on county road 90. 1220 Comment
  CAS-BOT-BC58349  Lepidium perfoliatum E. S. Willits 1940-5-17 273 Modoc Willow Ranch. Comment
  CAS-BOT-BC190633  Leptodactylon pungens John H. Hatton 1911-6-20 134 Modoc Modoc County. 1524 Comment
  UC881528  Leptodactylon pungens Lewis S. Rose 1940-6-12 40519 Modoc 5 mi e Likely 1524 Comment
  POM74259A  Leptosiphon liniflorus Mrs. R. M. Austin 1895-07 534 Modoc Goose Lake Valley. Comment
  HSC75594  Leptosiphon nuttallii G. M. Riegel 1980-7-30 960 Modoc S Warner Mtns. 1739 Comment
  CAS-BOT-BC242081  Leucocrinum montanum L. A. M. Black 1894-5-1 110 Modoc Davis Creek. Comment
  CAS-BOT-BC242082  Leucocrinum montanum M. French Gilman 525 Modoc Modoc County. Comment
  POM260001  Leucophysalis nana C. Leo Hitchcock 1940-5-27 6700 Modoc 15 miles northeast of Alturas. 1616 Comment
  RSA520450  Leucophysalis nana Bruce Bartholomew, B. Anderson 1990-7-20 5533 Modoc 3.4 Km NW of Tamarack Flat, E side of Warner Mts. 2130 Comment
  POM203130  Leucopoa kingii J. T. Howell 1934-7-1 12338 Modoc Duncan Horse Camp Comment
  CAS-BOT-BC197456  Lewisia nevadensis Bruce Bartholomew 1994-7-2 6804 Modoc 5.5 km SE of Forest Service road 30 on road towards Bald Mountain, E side of the Warner Mts. 2230 Comment
  HSC25979  Lewisia nevadensis D. H. Norris, S. Dowty, Thomas W. Nelson 1971-6-22 19347 Modoc Soup Springs Campground Comment
  CHSC118313  Lewisia rediviva var. rediviva L. P. Janeway 2016-5-17 12018 Modoc Modoc Plateau. Devils Garden area; flat just below (west of) Porcupine Rim; 0.3 km north of Road 43N18; 4.0 air-km west of Big Sage Reservoir. 1544 Comment
  CAS-BOT-BC197483  Lewisia triphylla Bruce Bartholomew; Barrett Anderson 1990-7-20 5525 Modoc Tamarack Flat, E side of Warner Mts. 2150 Comment
  POM201805  Leymus cinereus Frances D. Payne 78 Modoc Warner Mts. Comment
  UCD64256  Leymus cinereus Gerald Dickinson 1963-7-17 107 Modoc U.S. Hwy 299, 0.6 mi. NE of Canby. 1402 Comment
  CAS-BOT-BC247629  Leymus triticoides Leland S. Smith 1920-7-4 1174 Modoc Alturas. Comment
  UC1037150  Leymus triticoides Leo Whitney 1935-7-6 3414 Modoc near Lookout; Pit River Comment
  UC1037167  Leymus triticoides Leo Whitney 1935-7-17 3511 Modoc ca 15 mi nw Canby; Modoc National Forest, Lake Joaquina, Hackamore 1463 Comment
  UCD64651  Leymus triticoides Beecher Crampton; Carl Rimbey 1954-7-8 2179 Modoc Warner Mountains, Jess Valley, 15 miles E of Likely. Comment
  UCD65613  Leymus triticoides L. Whitney 1935-8-3 s.n. Modoc North Warner Mts., Buck Creek. Comment
  CAS-BOT-BC436039  Ligusticum grayi Elmer I. Applegate 1932-8-2 8077 Modoc Mill Creek Meadows, western slope of Warner Mountains Comment
  CAS-BOT-BC242066  Lilium washingtonianum Leland S. Smith 1922-7-20 1274 Modoc Rush Creek Ranger Station below the road. 1905 Comment
  JEPS127290  Limosella aquatica Lowell Ahart, John Dittes 2016-7-14 21198 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
  POM229194  Limosella aquatica Louis C. Wheeler 1935-9-1 3934 Modoc Pine Spring, Devil's Garden. 1524 Comment
  UC1101426  Limosella aquatica Herbert L. Mason and Verne Grant 1947-7-12 13418 Modoc s Alturas (Pit River Valley); Pit River Valley Comment
  CAS-BOT-BC198040  Linanthus harknessii John Thomas Howell 1934-6-12 12031 Modoc Plum Valley. Comment
  CAS-BOT-BC198046  Linanthus harknessii M. Vasey 1990-6-30 9037 Modoc 0.2 mi from Junction of Lava Camp Road and road to Egg Lake. 1300 Comment
  UC971756  Linanthus harknessii F. H. Frost 1925-7-11 13 Modoc 2 mi above Cedarville; Warner Mts., Cedar Canyon Comment
  CAS-BOT-BC198029  Linanthus nuttallii subsp. nuttallii Louis Cutter Wheeler 1935-8-5 3789 Modoc Little Lily Lake, Warner Mts. 2286 Comment
  UC190693  Linanthus nuttallii subsp. nuttallii M. F. Gilman 645 Modoc Comment
Read comments
May 31 2009
  UC52424  Linanthus septentrionalis Milo S. Baker 1893-1 Modoc Forestdale Comment
  CAS-BOT-BC179159  Linum lewisii Roxana Stinchfield Ferris; R. Duthie 1919-6-14 96 Modoc Above Parker Cr., 1 mi. above Modoc Nat. Forest Boundary. Comment
  CAS-BOT-BC179160  Linum lewisii B. Bartholomew; Barrett Anderson 1988-6-24 4314 Modoc Road beyond Poison Lake ca. 8 km S of the road from U.S. Highway 395 to Lily Lake, Warner Mts.. 2130 Comment
  UC17256  Linum lewisii Mrs. Brandegee Modoc Lassen Creek Comment
  HSC81082  Linum lewisii G. M. Riegel 1980-7-8 838 Modoc S Warner Mtns. 2100 Comment
  RSA435717  Linum lewisii George Willet 1935-6-26 s.n. Modoc Jess Valley, Warner Mountains 1829 Comment
  UC17254  Linum lewisii Milo S. Baker 1893-6 Modoc Lava Beds Comment
  CAS-BOT-BC225810  Lithophragma glabrum F. Angwin 1946-4-6 s.n. Modoc Adin. 1371 Comment
  JEPS5960  Lithophragma glabrum Frances D. Payne 1932-6-12 543 Modoc Dry Creek Canyon; Warner Mountains, Dry Creek Canyon 1645 Comment
  UC1586902  Lithophragma glabrum Juha Pykala and D. H. Norris 1987-5-28 1264 Modoc ca. 3-4 mi w Lake City (Lake City Canyon, by a little stream that runs to Mill Creek); Warner Mountains, Modoc National Forest, Mill Creek 1798 Comment
  UC1587055  Lithophragma glabrum G. Schoolcraft 1991-5-15 2137 Modoc w of highway about 6.5 mi n Lookout 1341 Comment
  CAS-BOT-BC225816  Lithophragma glabrum E. H. Steffen 1917-5-27 16 Modoc West Valley Camp. 1554 Comment
  RSA59724  Lithophragma parviflorum E. K. Balls 1950-5-18 14750 Modoc N of Upper Rush Creek Public Camp; 2.5 mi. east from Hwy. 299 1738 Comment
  UCR87509  Lithophragma parviflorum George K. Helmkamp, E. A. Helmkamp 1993-5-4 s.n. Modoc 16.1 miles NW of Canby along Calif. Hwy 139 1280 Comment
  JEPS3945  Lithophragma parviflorum N. T. Mirov 1929-6-22 Modoc near Fandango Valley; Warner Mountains, near Fandango Valley 1828 Comment
  JEPS5958  Lithophragma parviflorum Frances D. Payne 1929-7-7 55 A Modoc 2 mi sw Mt. Warren (Pine Creek Basin, se Modoc County); Warner Mts., sw of Mt. Warren, Pine Creek Basin 2133 Comment
  CAS-BOT-BC225835  Lithophragma tenellum Bruce Bartholomew 1992-5-15 6304 Modoc Tamarack Flat, E side of the Warner Mountains. 2160 Comment
  HSC26495  Lithophragma tenellum J. P. Smith, J. O. Sawyer 1972-5-6 5260 Modoc USFS Road to Quail Spring at Hwy. 299 N of Adin 1463 Comment
  CAS-BOT-BC54033  Lithospermum ruderale C. C. (Mrs.) Bruce 1898-6-1 2197 Modoc Goose Lake valley. Comment
  CHSC68564  Lithospermum ruderale Vernon H. Oswald; Beth Corbin, Gary Schoolcraft 1997-5-17 8462 Modoc Old Emigrant Trail on the north side of the Pit River south of Canby Bridge. 1295 Comment
  CAS-BOT-BC21438  Lomatium bicolor var. leptocarpum Bruce Bartholomew; M; M. Gilbert; L. E. Skog 1993-5-10 6442 Modoc Just NE of Davis Creek Cemetery, 1.3 km E of Davis Creek. 1500 Comment
  CAS-BOT-BC21451  Lomatium bicolor var. leptocarpum Bruce Bartholomew; Barrett Anderson 1988-6-23 4291 Modoc S side of Egg Lake, ca. 1.5 km W of the Burlington Northern railroad track. 1300 Comment
  UC1563876  Lomatium bicolor var. leptocarpum Barbara Ertter 1989-5-2 8432 Modoc on Hwy. 395 n.e. of Alturas (2.9 mi. n. of junction to Cedarville (Rt. 299)) 1402 Comment
  HSC27251  Lomatium canbyi J. P. Smith, J. O. Sawyer 1972-5-6 5275 Modoc Along Hwy. 299, 4 mi. W of Modoc County Rd. 58, E of Alturas 1494 Comment
  UC875051  Lomatium dissectum Lewis S. Rose 1940-6-12 40529 Modoc E of Likely (Jess Valley) 1767 Comment
  CAS-BOT-BC30169  Lomatium dissectum var. multifidum Alice Eastwood; John Thomas Howell 1940-6-12 8085 Modoc Jess Valley. Comment
  NY1141602  Lomatium gormanii H. D. D. Ripley 1944-6-1 6000 Modoc Cedar Pass, Warner Mountains 1920 Comment
  POM78500  Lomatium macrocarpum Mrs. R. M. Austin 1895-05 28 Modoc Goose Lake Valley Comment
  CAS-BOT-BC30138  Lomatium macrocarpum R. M. Austin; C. C. (Mrs.) Bruce 1898-6-1 2285 Modoc Goose Lake. Comment
  UC21228  Lomatium macrocarpum Mrs. R. M. Austin and Bruce 1898-6-1 2285 Modoc Goose Lake Comment
  HSC21541  Lomatium nevadense M. T. Milligan 1966-3-18 452 Modoc N end Jess Valley 1616 Comment
  SEINET13944568 Image available Lomatium nevadense W. A. Weber 1965-1 12241 Modoc North slope of Adin summit, 24 miles west of Alturas; 4400 ft 1341 Comment
  CAS-BOT-BC15755  Lomatium nevadense var. nevadense Alice Eastwood; John Thomas Howell 1940-6-13 8147 Modoc Fandango Pass. Comment
  CAS-BOT-BC15760  Lomatium nevadense var. nevadense James D. Jokerst 1983-5-31 1802 Modoc Near Signal Butte. 1340 Comment
  CHSC107378  Lomatium nevadense var. nevadense Lowell Ahart; John Dittes 2011-6-22 17558 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 Aden, 10 miles (air) east of Lookout, Big Valley. 1264 Comment
  CAS-BOT-BC15752  Lomatium nevadense var. nevadense Elmer Ivan Applegate 1937-5-13 11085 Modoc N end of Devils Homestead, Lava Beds National Monument. Comment
  UC1167725  Lomatium nevadense var. nevadense Peter H. Raven and Otto T. Solbrig 1958-6-18 13311 Modoc Modoc Nat'l Forest, Cottonwood Flat Camp Ground Comment
  JEPS17004  Lomatium piperi L. S. Smith c. 1918 1196 Modoc Modoc Forest, Devil's Garden district, Long Meadows 1524 Comment
  SJSU13879  Lomatium plummerae N. A. Hopkins 1985-5-13 1269 Modoc by Hwy 395 c. 30 mi S of Alturas Comment
  HSC21600  Lomatium triternatum M. T. Milligan 1965-6-27 373 Modoc N end Jess Valley 1616 Comment
  CAS-BOT-BC21409  Lomatium triternatum var. triternatum Alice Eastwood; John Thomas Howell 1940-6-13 8146 Modoc Fandango Pass. Comment
  CAS-BOT-BC21414  Lomatium triternatum var. triternatum Bruce Bartholomew 1990-6-18 5370 Modoc SW side of Goose Lake, 2 km N of McGinty Point. 1420 Comment
  CAS-BOT-BC21416  Lomatium triternatum var. triternatum Bruce Bartholomew; Barrett Anderson 1988-6-25 4376 Modoc SW side of Jess Valley, Warner Mts.. 1540 Comment
  CAS-BOT-BC21423  Lomatium triternatum var. triternatum Annie Montague Alexander; L. Kellogg 1946-6-27 4842 Modoc Highgrade, top of ridge 2 mi. by road from Dismal Swamp. 2377 Comment
  POM78592  Lomatium triternatum var. triternatum Mrs. R. M. Austin 1895-08 s.n. Modoc Goose Lake Valley Comment
  JEPS5996  Lomatium vaginatum Frances D. Payne 1932-6-10 627 Modoc s. & e. Alutras (Parker Creek); Warner Mts., Parker Creek 1584 Comment
  HSC21543  Lomatium vaginatum M. T. Milligan 1964-5-17 31 Modoc 4 mi. N of Hwy. 299 on Big Sage Road 1524 Comment
  RSA149057  Lomatium vaginatum I. L. Wiggins, Dorothy Wiggins 1961-6-13 16473 Modoc Roadside 2.4 mi. S of village of Davis Creek, SE side of Goose Lake. Comment
  UC1523716  Lotus crassifolius var. crassifolius Lisa Ganio 1983-7-13 8 Modoc 0.25 mi e U.S.F.S. boundary Comment
  RSA339166  Lotus denticulatus Margaret J. Williams 1984-6-20 84- 82 -2 Modoc 13.4 mi W along Parker Creek Road. 1585 Comment
  CAS-BOT-BC181954  Lotus humistratus Bruce Bartholomew 1991-6-21 5820 Modoc N side of Mud Lake, 5.3 km S of Forest Service road 73 on road to Rim Rock Valley. 1570 Comment
  CAS-BOT-BC181936  Lotus purshianus var. purshianus Bruce Bartholomew; Barrett Anderson 1988-6-23 4223 Modoc 2.1 km SSE of Day on the road to State Highway 299. 1020 Comment
  RSA0029194  Lupinus John F. Emmel 1997-6-8 1494 Modoc 3 to 4 road miles east of Hwy. 395 on Hwy. 299 (Cedarville Road). 1524 Comment
  UC663386  Lupinus Francis Drouet and Donald Richards 1941-9-12 4202 Modoc along the North Fork of the Pit River ne Alturas; along the north fork of the Pit River 1341 Comment
  CAS-BOT-BC181924  Lupinus albifrons R. M. Austin; C. C. (Mrs.) Bruce 1898-6-1 2146 Modoc Hills. Comment
  RSA296808  Lupinus albifrons var. albifrons Leland S. Smith 1918-8-13 1035 Modoc Silver Creek foothills, south Warner mts. Comment
  CAS-BOT-BC181913  Lupinus arbustus K. Paulson; Robert Paulson 1991-7-27 245 Modoc Sugar Hill area. 2118 Comment
  CAS-BOT-BC181915  Lupinus arbustus Bruce Bartholomew 1990-8-4 5636 Modoc Crest of the Warner Mts., ca. 0.5 km SE of Patterson Lake along Summit Trail. 2770 Comment
  UC619253  Lupinus arbustus J. and H. W. Grinnell 1938-6-16 1106 Modoc Fort Bidwell and Cow Head Lake; Fort Bidwell and Cow Head Lake 1524 Comment
  POM298384  Lupinus arbustus subsp. calcaratus H. C. Cantelow 1940-6-1 s.n. Modoc Cedar Pass, Warner Mountains, east of Alturas. Comment
  POM28177  Lupinus arbustus subsp. calcaratus R. M. Austin, C. C. Bruce 1898-06 2146 Modoc [Unspecified] Comment
  CAS-BOT-BC182176  Lupinus argenteus C. P. Smith 1947-6-13 47452 Modoc Highway 299, Canby, 1.1 mi. S. Comment
  CAS-BOT-BC182199  Lupinus argenteus Doris K. Kildale 1926-9-11 2772 A Modoc Near Alturas. 1377 Comment
  LA205002  Lupinus argenteus Alice Eastwood; John Thomas Howell 1940-6-13 8137 Modoc W side of Fandango Pass Comment
  UC865118  Lupinus argenteus Lewis S. Rose 1940-6-14 40564 Modoc Kelly Hot Springs 1341 Comment
  POM212694  Lupinus argenteus var. argenteus H. P. Bracelin 1931-6-30 500 Modoc Alturas, south end of town. 1524 Comment
  CAS-BOT-BC182085  Lupinus argenteus var. heteranthus John Thomas Howell 1934-6-12 12010 Modoc Between Davis Creek and Plum Valley. Comment
  CAS-BOT-BC182113  Lupinus argenteus var. heteranthus C. P. Smith 1947-6-13 47464 Modoc Highway 395, Pine Creek (town) 0.8 mi. S. Comment
  CAS-BOT-BC182115  Lupinus argenteus var. heteranthus Alice Eastwood; John Thomas Howell 1940-6-13 8137 Modoc W side of Fandango Pass. 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
  JEPS119664  Lupinus argenteus var. heteranthus Lowell Ahart, John Dittes 2012-7-11 18338 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
  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
  SBBG22272  Lupinus argenteus var. heteranthus C. B. Hardham 1961-6-19 7837 Modoc Davis Crk 1676 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
  HSC71398  Lupinus aridus J. P. Smith, J. O. Sawyer 1972-5-6 5274 Modoc Along Hwy. 299, 4 mi. W of Modoc County Rd. 58, E of Alturas 1494 Comment
  POM127156  Lupinus caudatus M. French Gilman 541 Modoc Slopes 1524 Comment
  RSA531329  Lupinus caudatus Bruce Bartholomew, B. Anderson 1990-7-20 5485 Modoc 10.3 km north of Buck Creek Ranger Station, crest of Warner Mountains west side of Warner Mountains. 2130 Comment
  RSA583143  Lupinus caudatus Louis C. Wheeler 1935-8-7 3805 Modoc Pine Creek, Warner Mtns. 1555 Comment
  CAS-BOT-BC181881  Lupinus latifolius Roxana Stinchfield Ferris; R. Duthie 1919-6-14 1476 Modoc Parker Creek at Modoc Nat. Forest boundary. Comment
  CAS-BOT-BC181882  Lupinus latifolius Bruce Bartholomew; Barrett Anderson 1989-6-1 4753 Modoc ca. 0.5 km W of Davis Creek on road to S end of Goose Lake. 1460 Comment
  CAS-BOT-BC181887  Lupinus latifolius C. L. Hitchcock 1940-5-27 6664 Modoc 15 mi. NW of Alturas. 1615 Comment
  RSA31849  Lupinus latifolius subsp. viridifolius A. A. Heller 1941-6-25 16206 Modoc West side of the grade leading up to Cedar Pass. Comment
  UC127014  Lupinus latifolius var. viridifolius Mrs. Austin and Mrs. Bruce July 1898 Modoc Fields Comment
  CAS-BOT-BC181859  Lupinus lepidus var. sellulus Bruce Bartholomew; Barrett Anderson 1988-5-14 4212 Modoc SW corner of Big Sage Reservoir. 1500 Comment
  CAS-BOT-BC181866  Lupinus lepidus var. sellulus John Thomas Howell 1934-7-1 12302 Modoc Duncan Horse Camp. 1355 Comment
  JEPS119667  Lupinus lepidus var. sellulus Lowell Ahart, John Dittes 2012-7-11 18343 Modoc About 1/2 mile southeast of the Pilot Butte Parking Lot, north edge of Ash Creek floodplain, about 1.5 miles (air) south of County Road 87, about 7.5 miles (air) west of Adin, about 10.2 miles (air) east of Lookout, Big Valley. Comment
  CAS-BOT-BC181829  Lupinus microcarpus var. microcarpus Elmer Ivan Applegate 1898-5-31 879 Modoc Near Cornell, Tule Lake. Comment
  CAS-BOT-BC181846  Lupinus microcarpus var. microcarpus Edward Kent Balls 1950-5-18 14763 Modoc By Lower Rush Creek Public Camp. 1310 Comment
  JEPS119666  Lupinus microcarpus var. microcarpus Lowell Ahart, John Dittes 2012-7-11 18342 Modoc About 1/2 mile southeast of the Pilot Butte Parking Lot, north edge of Ash Creek floodplain, about 1.5 miles (air) south of County Road 87, about 7.5 miles (air) west of Adin, about 10.2 miles (air) east of Lookout, Big Valley. Comment
  UC1736638  Lupinus microcarpus var. microcarpus Dean Wm. Taylor with Robert A. Price 1988-6-4 9758 Modoc Tule Lake Basin; Dobie Flat, 2.6 miles S10 E of Casuse Mountain, 1280 Comment
  JEPS65287  Lupinus polyphyllus var. burkei Leland S. Smith 1918-8-22 1047 Modoc Emerson Canyon Warner Range, Modoc Forest (Modoc Forest) 2286 Comment
  NY747603  Lupinus polyphyllus var. saxosus B. J. Cox 1970-6-8 1956 Modoc 6 miles north of Alturas at Jct. of US Hwy. 395-299 with Cedarville road 1463 Comment
  JEPS65435  Lupinus saxosus Leland S. Smith 1917-6-10 801 Modoc Jess Valley; Warner Mountains, Jess Valley 1524 Comment
  RSA486801  Lupinus saxosus Bruce Bartholomew, B. Anderson 1988-5-13 4149 Modoc Along Parker Creek Road, at the border of Modoc National Forest and 16 km WSW of Alturas, side of the Warner Mtns. 1580 Comment
  SEINET10490264  Lupinus subvexus var. transmontanus Billy Joe Cox 1971-6-3 Cox 2609 Modoc 6 mi n of alturas on us hwy 395, w facing slope in middle of grassland pasture. Edging into artemesia which adjoins juniper woodland. Lupinus sp in very Dense populations on every slope for over a mile north, more or less a valley Side in decomposing basalt with lighter soil above. 1341 Comment
  CAS-BOT-BC245039  Luzula comosa Bruce Bartholomew; Barrett Anderson 1988-7-23 4566 Modoc Dismal Swamp, Warner Mts.. 2180 Comment
  CDA34732  Lythrum tribracteatum L. Ahart, John Dittes 2010-8-3 17055 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 miles (air) northeast of Bieber, Big Valley. Comment
  CAS-BOT-BC49429  Madia citriodora Bruce Bartholomew; Barrett Anderson 1989-6-3 4916 Modoc 5 km W of County Route 91 along the N side of the Pit River. 1340 Comment
  CAS-BOT-BC49441  Madia exigua R. M. Austin 1894-8-1 Modoc Sugar Loaf Hill. Comment
  CAS-BOT-BC49403  Madia glomerata John Thomas Howell 1934-7-3 12375 Modoc 5 mi. S of Hackamore. Comment
  JEPS114390  Madia glomerata Lowell Ahart, John Dittes 2008-8-25 15296 Modoc On the west side of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout 1273 Comment
  JEPS117315  Madia glomerata Lowell Ahart, John Dittes 2010-8-30 17076 Modoc About 15 yards west of the fence, south edge of the meadow, Ash Creek State Wildlife Area, 2,300 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley 1267 Comment
  CAS-BOT-BC49415  Madia gracilis Annie Montague Alexander; L. Kellogg 1946-7-10 4956 Modoc Eight Mile Creek, NE corner of county 1752 Comment
  UCR66732  Madia gracilis J. T. Howell 1934-6-12 12025 Modoc Warner mtns. Plum Valley 1660 Comment
  RSA504601  Madia minima Bruce Bartholomew, B. Anderson 1988-6-23 4274 Modoc 4 km W of Day on County road 94. 1340 Comment
  RSA452628  Mahonia repens H. E. McMinn 1931-5-23 2445 Modoc Fandango Pass, Warner Mts. Comment
  CAS-BOT-BC242040  Maianthemum racemosum M. M. Hanna 1956-6-5 976 Modoc Cedar Pass. Comment
  POM204106  Maianthemum racemosum subsp. amplexicaule J. T. Howell 1934-6-11 11954 Modoc Parker Creek, Warner Mts. 1585 Comment
  POM260013  Maianthemum racemosum subsp. amplexicaule C. L. Hitchcock 1940-5-27 6681 Modoc 15 miles northeast of Alturas. 1616 Comment
  CAS-BOT-BC242164  Maianthemum stellatum Alice Eastwood; John Thomas Howell 1940-6-12 8055 Modoc Between Likely and Jess Valley. Comment
  CAS-BOT-BC71147  Marsilea Herbert L. Mason; Verne Grant 1947-7-10 13350 Modoc Dorris Reservoir, 2 miles east of Alturas Comment
  UCD169464  Marsilea oligospora Louis C. Wheeler 1935-9-18 3993 Modoc Everly Reservoir, Devil's Garden. 1524 Comment
  CHSC107375  Matricaria occidentalis Lowell Ahart; John Dittes 2011-6-22 17542 Modoc On the west side of the road, about 30 yards north of the Pilot Butte Parking Lot, north edge of Ash Creek Floodplain, 1.1 miles (air) south of County Road 87, 7.7 miles (air) west of Aden, 10 miles (air) east of Lookout, Big Valley. 1264 Comment
  JEPS118334  Matricaria occidentalis Lowell Ahart, John Dittes 2011-6-22 17542 Modoc On the west side of the road, about 30 yards north of the Pilot Butte Parking Lot, north edge of Ash Creek Floodplain, 1.1 miles (air) south of County Road 87, 7.7 miles (air) west of Aden [Adin], 10 miles (air) east of Lookout, Big Valley. 1264 Comment
  JEPS126541  Matricaria occidentalis Lowell Ahart, John Dittes 2016-6-6 20961 Modoc About 100 yards east of the Parking Area, about one mile south of the intersection of County Road 87 and Access Road to Pilot Butte Parking Area, 3.8 miles (air) east Lookout, 7.5 miles (air) west of Adin, Ash Creek State Wildlife Area. Comment
  CAS-BOT-BC181805  Medicago lupulina Bruce Bartholomew 1989-7-14 4937 Modoc Along Rush Creek between Lower and Upper Rush Creek Campgrounds. 1580 Comment
  UC593540  Melica stricta E. B. Babcock, G. L. Stebbins Jr. 1936-6-9 1826 Modoc about 3 mi w Cedarville; Warner Mountains, Cedar Creek Canyon 1524 Comment
  HSC15023  Melilotus indicus M. T. Milligan 1964-7-20 154 Modoc N end of Jess Valley, near Mill Creek. 1677 Comment
  CAS-BOT-BC179861  Mentha arvensis M. Vasey 1990-6-30 9026 Modoc Around NW margin of Egg Lake. 1300 Comment
  CAS-BOT-BC179862  Mentha arvensis Robert Folger Thorne; C. W. Tilforth 1969-9-5 39184 Modoc Marshy margin of Pine Creek where it crossed Hwy 395, 3.4 mi. S of Alturas. 1341 Comment
  CHSC115531  Mentha arvensis Lowell Ahart; John Dittes 2015-7-16 20359 Modoc North edge of Ash Creek (destroyed), southeast of the gravel pit (destoryed), about 1/8 mile east of the parking area on the east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Beiber, Big Valley. 1267 Comment
  CAS-BOT-BC179868  Mentha arvensis Belknap C. Goldsmith 1912-8-6 82 Modoc W side of Goose Lake. 1463 Comment
  UC1540002  Mentzelia albicaulis M. Mitchell 1936-5-21 47 Modoc 2 m se Hospital Rock; Lava Beds National Monument 1249 Comment
  UCSB48512  Mentzelia albicaulis Hardham, Clare 1961-5-20 Modoc Pine Creek 1524 Comment
  CAS-BOT-BC179140  Mentzelia dispersa Alice Eastwood; John Thomas Howell 1940-6-12 8056 Modoc Between Likely and Jess Valley. Comment
  UC748259  Mentzelia dispersa Annie M. Alexander and Louise Kellogg 1946-7-7 4946 Modoc Eight Mile Creek Eight Mile Creek (ne corner of county) 1752 Comment
  UC748410  Mentzelia dispersa Annie M. Alexander and Louise Kellogg 1946-6-10 4714 Modoc Lava bench between Lower and Snake Lakes Comment
  RSA503038  Mentzelia dispersa Bruce Bartholomew, B. Anderson 1988-6-24 4360 Modoc Vicinity of Patterson Campground, southern end of the Warner Mountains. 2190 Comment
  RSA165653  Mentzelia montana Clare B. Hardham 1961-5-20 7866 Modoc Warner Mountains, Pine Creek. 1524 Comment
  RSA252485  Menyanthes trifoliata Robert F. Thorne, C. W. Tilforth 1969-9-5 39166 Modoc Modoc National Forest, Warner Mountains, Clear Lake. 1768 Comment
  CAS-BOT-BC54044  Mertensia ciliata Bruce Bartholomew 1995-6-23 6997 Modoc 2.4 km N of Forest Road 30 on road from Hall Meadow to Plume Valley Camp Ground. 1770 Comment
  CAS-BOT-BC497323  Mertensia ciliata Annie M. Alexander; Louise Kellogg 1946-7-19 5028 Modoc Benton Meadow, Warner Mountains 2072 Comment
  HSC3716  Mertensia ciliata var. stomatechoides M. T. Milligan 1965-6-30 396 Modoc Slopes and ridges E of Jess Valley 1768 Comment
  CAS-BOT-BC54046  Mertensia cusickii Bruce Bartholomew 1990-6-16 5272 Modoc Rock outcrops between roadhead and Pine Creek Basin, W side of Warner Mountains. 2160 Comment
  CAS-BOT-BC498673  Mertensia oblongifolia Gregg M. Riegel 1980-8-9 1016 Modoc South Warner Mountains 2433 Comment
  UCR267412  Micranthes integrifolia Jim Andre, Glenn L. Clifton 1993-6-12 29996 Modoc Warner Mountains, Cedar Pass, Hwy 299, Modoc National Forest 1919 Comment
  CAS-BOT-BC225951  Micranthes nidifica Bruce Bartholomew 1990-6-17 5348 Modoc 4 km N of Buck Creek Ranger Station at turn off to Del Prat Spring, W side of Warner Mts. 1900 Comment
  CAS-BOT-BC225952  Micranthes nidifica Annie Montague Alexander; L. Kellogg 1946-6-30 4879 Modoc Highgrade, W side of ridge, N end of Warner Mts. 2377 Comment
  CAS-BOT-BC225958  Micranthes nidifica Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-11 6509 Modoc Ca. 3 km S of Oregon border on Forest Service Rte. 7. 1720 Comment
  CAS-BOT-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-BC49391  Microseris laciniata subsp. laciniata Alice Eastwood; John Thomas Howell 1940-6-13 8127 Modoc Near Davis Creek. Comment
  CAS-BOT-BC49363  Microseris nutans John Thomas Howell 1934-6-13 12057 Modoc Fandango Pass. 1828 Comment
  POM203847  Microseris nutans J. T. Howell 1934-6-13 12051 Modoc Fandango Pass, Warner Mountains. 1829 Comment
  RSA504658  Microseris nutans Bruce Bartholomew, B. Anderson 1988-7-23 4580 Modoc Dismal Swamp, Warner Mountains. 2180 Comment
  CAS-BOT-BC197896  Microsteris gracilis C. C. (Mrs.) Bruce 1894-4-1 104 Modoc Davis Creek. Comment
  CAS-BOT-BC197908  Microsteris gracilis Bruce Bartholomew 1995-6-23 6995 Modoc 2.4 km N of Forest Road 30 on road from Hall Meadow to Plume Valley Camp Ground. 1770 Comment
  UCD118920  Microsteris gracilis R. N. Raynor; E. Berry 1940-4-12 s.n. Modoc Cemetery, Alturas. Comment
  UCD118921  Microsteris gracilis R. N. Raynor; E. Berry 1940-4-12 s.n. Modoc Cemetery, Alturas. Comment
  RSA430187  Mimulus breviflorus Louis C. Wheeler 1935-8-3 3766 Modoc Warner Mountains: Pine Creek. 1738 Comment
  UC748169  Mimulus breweri Annie M. Alexander and Louise Kellogg 1946-7-1 4888 Modoc 1/2 mi e Bidwell Creek road summit; Warner Mountains Comment
  UC444798  Mimulus cusickii W. P. Taylor and H. C. Bryant 1910-8-7 Modoc Dry Creek, in mouth of canyon Warner Mountains 1447 Comment
  RSA185423  Mimulus douglasii Clare B. Hardham 1961-6-17 7514 Modoc Cedar Pass Camp Ground. Comment
  RSA210887  Mimulus guttatus Robert F. Thorne, James Henrickson, C. W. Tilforth 1969-9-4 39094 Modoc N Fork of Pit River 3.4 mi N of Alturas where crossed by Highway 395. 1341 Comment
  POM43718  Mimulus guttatus R. M. Austin 518 Modoc Willow Creek. Comment
  HSC30183  Mimulus layneae D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19518 Modoc Big Valley Summit, 6 mi. W of Adin on Hwy. 299 Comment
  UC445161  Mimulus layneae Franklin P. Nutting 1893-6-8 Modoc near Egg Lake Comment
  UC27044  Mimulus lewisii Mrs. R. M. Austin Sept. 1894 Modoc Cedarville Canyon Comment
  UC1562678  Mimulus microphyllus Barbara Ertter 1988-6-18 7631 Modoc n Bessler Reservoir (Hwy 139 14.5 mi ene of jct Hwy 299 at Canby) 1463 Comment
  UC445163  Mimulus nanus var. jepsonii Franklin P. Nutting 1893-6-8 Modoc near Egg Lake Comment
  RSA186209  Mimulus nanus var. nanus Clare B. Hardham 1961-6-19 7841 Modoc Willow Creek, Warner Mountains. 1524 Comment
  UCSB48316  Mimulus nanus var. nanus Hardham, Clare 1961-6-19 Modoc Willow Creek 1676 Comment
  JEPS27953  Mimulus nasutus Frances D. Payne 1932-6-10 636 Modoc s and e Alturas (w slope of mountains); Warner Mountains, Parker Creek 1584 Comment
  CDA41827  Mimulus pulsiferae S. E. Schoenig 1998-7-5 98 -69 Modoc Southwest shore of Moll Reservior. Comment
  UCD77260  Mimulus pygmaeus Robert E. Preston 2000-5-31 1353 Modoc Modoc Plateau, along Hwy 139, ca. 1 mi w of Forest Service Road 44N11. 1463 Comment
  POM260886  Mimulus suksdorfii Alice Eastwood, John T. Howell 1940-6-15 8276 Modoc Near Perez Comment
  UC748170  Mimulus suksdorfii Annie M. Alexander and Louise Kellogg 1946-7-24 5078 Modoc Bear Camp Flat Warner Mountains 2286 Comment
  CAS-BOT-BC95214  Minuartia nuttallii Bruce Bartholomew 1991-8-5 6070 Modoc Summit Trail between Squaw Peak and Cottenwood Lake along crest of Warner Mts. 2530 Comment
  CAS-BOT-BC95216  Minuartia nuttallii Annie Montague Alexander; L. Kellogg 1946-7-30 5093 Modoc Eagle Peak, Warner Mts. Comment
  HSC63629  Monardella glauca J. P. Smith, J. O. Sawyer 1973-8-8 7238 Modoc S slopes of Eagle Peak 2561 Comment
  CAS-BOT-BC179368  Monardella odoratissima subsp. glauca K. Paulson; Robert Paulson 1989-6-21 148 Modoc Vicinity of Granger Creek, E side of the Warner Mts. Comment
  CAS-BOT-BC179855  Monardella odoratissima subsp. glauca Barrett Anderson 1986-7-9 3157 Modoc Hwy 299 just W of Cedar Pass. 1920 Comment
  UC25496  Monardella odoratissima subsp. glauca Milo S. Baker 1893-7-2 Modoc Comment
Read comments
Oct 10 2006
  CDA33297  Monardella odoratissima subsp. odoratissima Jim Jokerst 1990-8-2 3208 Modoc Summit of East Sand Butte, just east of Lava Beds National Monument. Comment
  SEINET3996536 Image available Monardella odoratissima var. ovata Annie M. Alexander, Louise Kellogg 1946-7-23 5060 Modoc Warner Mountains; east slope of Emerson Peak Comment
  UC932076  Montia chamissoi Verne Grant, Alva Grant 1947-7-11 8010 Modoc Thoms Creek near forest service camp site on road from Alturas to Cedar Pass; Warner Mountains, Thoms Creek Comment
  CAS-BOT-BC197503  Montia linearis Mrs. H. C. Cantelow 1940-6-2 4199 Modoc NW of Canby. Road to Lava Beds. Comment
  CAS-BOT-BC247568  Muhlenbergia asperifolia Leland S. Smith 1917-8-19 152 Modoc Fort Bidwell. 1371 Comment
  SEINET10960336  Muhlenbergia asperifolia Louis C. Wheeler 1935-9-4 Wheeler 3948 Modoc Dry sunny rock crevices in old beach. McGinty Point, Goose Lake. 1463 Comment
  UCD86552  Muhlenbergia asperifolia Herbert L. Mason 1947-8-15 13542 Modoc Mouth of Crane Creek on Willow Ranch, east side of Goose Lake. Comment
Read comments
Aug 21 2013
  RSA722575  Munroa squarrosa Richard Halse 2006-8-3 6988 Modoc Along Jess Valley Road ca. 4 miles east of Likely, just past bridge over the Pit River. 1387 Comment
  UC1560399  Myosotis scorpioides E. Joyal and D. Mehlman 1988-6-28 1288 Modoc Pine Creek e. of New Pine Creek, Oregon; n. Warner Mts., Pine Creek Comment
  CAS-BOT-BC392256  Myosurus apetalus E. K. Balls 1950-5-14 14693 Modoc 2.5 mi. n. of boundary Modoc Nat'l Forest, junction of roads to Emigrant Spring, Thomas Reservoir and Dead Horse Reservoir 1524 Comment
  CHSC107333  Myosurus minimus Lowell Ahart; John Dittes 2011-6-21 17519 Modoc About 130 yards west of the fence, south edge of the meadow, Ash Creek State Wildlife Area, about 2,300 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  CHSC85126  Myosurus minimus John Dittes; Josephine Guardino 1991-6-1 353 Modoc Modoc Plateau; Big Valley; Ash Creek Wildlife Area; ca. 7.7 air-miles northeast of Bieber, ca. 4.0 air-miles west by southwest of Adin, ca. 5.0 air-mile east by southeast of Pilot Butte summit, ca. 0.6 mile east of Walters Road and Owl Barn; meadow at southern edge of Ash Creek Floodplain. 1271 Comment
  CHSC85413  Myosurus minimus John Dittes 1991-6-1 375 A Modoc Modoc Plateau; Big Valley; Ash Creek Wildlife Area; ca. 5.7 air-miles northeast of Bieber, ca. 7.6 air-miles west of Adin, ca. 1.5 air-mile southeast of Pilot Butte summit, meadow at northern edge of Ash Creek Floodplain (Big Swamp) at southeast base of Pilot Butte. 1258 Comment
  CAS-BOT-BC180054  Myriophyllum sibiricum Bruce Bartholomew 1992-5-16 6317 Modoc Arnett Spring, N of Bayley Reservoir. 1510 Comment
  CDA37313  Myriophyllum sibiricum B. Villegas 2008-7-24 s.n. Modoc Alturas; Modoc National Wildlife Refuge; Dry Pond. 0 Comment
  RSA604414  Myriophyllum sibiricum Louis C. Wheeler 1935-10-6 4029 Modoc North Fork Pit River at Tom Creek 1433 Comment
  CAS-BOT-BC179314  Nama densa Bruce Bartholomew; Barrett Anderson 1989-6-2 4817 Modoc Sand dunes at the SE corder of Upper Alkali Lake, E side of Surprise Valley. 1400 Comment
  UCD116067  Nasturtium officinale Verne Grant; Irving Schneider 1947-7-22 8154 Modoc Headwaters of North Fork of Pit River, one mile northwest of Highway 395 on dirt road leading to south end of Goose Lake. Comment
  JEPS70251  Navarretia breweri Frances D. Payne 1929-7-26 125 Modoc 2 mi sw Warren Peak; Warner Mts., Pine Creek Basin 2286 Comment
  RSA149143  Navarretia breweri I. L. Wiggins, Dorothy Wiggins 1961-6-15 16518 Modoc 11 miles W of Canby along Hwy 139 Comment
  CHSC109895  Navarretia capillaris B. Castro; L. P. Janeway 2012-7-26 1968 Modoc Warner Mountains. At Little Lily Lake, 1.5 air mi N of Mt. Vida. 2254 Comment
  CAS-BOT-BC198003  Navarretia divaricata subsp. vividior Alice Eastwood; John Thomas Howell 1940-6-15 8288 Modoc 9 mi. N of Lookout. Comment
  CAS-BOT-BC198005  Navarretia divaricata subsp. vividior Milo Samuel Baker 1894-6-15 s.n. Modoc Little Hot Spring Valley. Comment
  RSA767681  Navarretia intertexta L. Ahart, John Dittes 2010-8-30 17056 Modoc North side of a small wash, about 10-15 yards west of the fence, south edge of the meadow, Ash Creek State Wildlife Area, 2300 feet north of Lassen County Line, about 3.6 air miles west of Adin, about 8 air miles northeast of Bieber, Big Valley. 1268 Comment
  UC1540173  Navarretia intertexta Dean W. Taylor 1987-8-9 9287 Modoc Clear Lake Reservoir, on shore 100 meters W of dam Northeastern California 1371 Comment
  CAS-BOT-BC197983  Navarretia intertexta subsp. propinqua Frank Warrington Peirson 1926-6-25 6868 Modoc Cedarville Pass, Warner Mts. Comment
  HSC17142  Navarretia intertexta subsp. propinqua M. T. Milligan 1964-7-1 119 Modoc W end of Ballard's Reservoir, along shore. 1372 Comment
  CAS-BOT-BC197974  Navarretia leucocephala subsp. leucocephala Bruce Bartholomew; Barrett Anderson 1988-7-21 4426 Modoc S end of Whitehorse Flat Reservoir. 1340 Comment
  JEPS77519  Navarretia leucocephala subsp. leucocephala L. R. Heckard with T. I. Chuang and R. C. Bacigalupi 1978-7-19 4889 Modoc about 3 mi sw Patterson Ranger Station (just n of Lassen County line); Warner Mts. 2011 Comment
  CHSC117860  Navarretia leucocephala subsp. minima L. P. Janeway 2016-5-16 11996 Modoc Modoc Plateau. Devils Garden area; along Road 46N05A (Apple-gate Trail Southern Route) 0.3 km west of Road 46N02; 2.4 air-km east-southeast of Green Tank Reservoir and Green Spring Reservoir. 1569 Comment
  CHSC85115  Navarretia leucocephala subsp. minima John Dittes; Josephine Guardino 1991-7-21 424 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
  POM520383  Navarretia sinistra Bruce Bartholomew, B. Anderson 1990-7-21 5588 Modoc Bear Flat, W side of Warner Mts, Ranger Station, Station, E side of Warner Mts. 1830 Comment
  RSA67203  Navarretia sinistra Verne Grant, Alva Grant 1947-7-13 8013 Modoc At west end of Fandango Valley, road from Goose Lake to Fort Bidwell Comment
  UC23423  Navarretia sinistra Milo S. Baker 1893-7-8 Modoc Comment
  RSA76028  Nemophila breviflora Lincoln Constance 1938-6-12 2332 Modoc Edge of Thombs Creek at foot of Bonner Grade, Cedar Pass Road, 13.4 miles NE of Alturas, western foothills of the Warner Range 1524 Comment
  UC748433  Nemophila breviflora Annie M. Alexander and Louise Kellogg 1946-6-15 4775 Modoc Deep Creek 2133 Comment
  CAS-BOT-BC179299  Nemophila parviflora var. austiniae Bruce Bartholomew 1991-5-23 5689 Modoc 0.5 km E of Day on County Rd. 94. 1050 Comment
  UC748446  Nemophila parviflora var. austiniae Annie M. Alexander and Louise Kellogg 1946-6-5 4665 b Modoc s Eagleville (Emerson Creek, Emerson Camp, in camp meadow); Warner Mountains, Emerson Creek 2133 Comment
  UC880935  Nemophila pedunculata C. L. Hitchcock 1940-5-27 6684 Modoc 15 mi ne Alturas; ne of Alturas 1615 Comment
  UC682090  Nestotus stenophyllus G. L. Stebbins Jr. 1942-5-30 3247 Modoc 8.6 miles northwest of Canby, on road to Tule Lake 1584 Comment
  CAS-BOT-BC49367  Nothocalais troximoides Bruce Bartholomew 1991-5-25 5768 Modoc 4.3 km S of Likely-Jess Valley Rd. on road to West Valley Reservoir. 1540 Comment
  CAS-BOT-BC349919  Nothocalais troximoides Lillian Mott 1976-5-29 7 LM76 Modoc Devils Garden, north of Alturas 1402 Comment
  UC985676  Nuphar lutea subsp. polysepala Herbert L. Mason, Verne Grant 1947-7-12 13388 Modoc several miles s of Alturas (Irrigation ditch by Jones' Lane, off Highway 395) Comment
  NY998640  Oenothera deltoides var. piperi B. M. Bartholomew 1993-6-13 6630 Modoc Near Fortynine Creek, east of Cedarville on east side of Surprise Valley 1400 Comment
  CDA38149  Oenothera elata Briles 1936-7-2 s.n. Modoc [No further data] 0 Comment
  CAS-BOT-BC190805  Oenothera elata subsp. hirsutissima Bruce Bartholomew 1991-10-13 6127 Modoc Ca. 1.5 km SE of Adin on County Road 88. 1240 Comment
  CHSC116084  Oenothera elata subsp. hirsutissima Lowell Ahart; John Dittes 2015-7-16 20361 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
  NY998742  Oenothera elata var. hirsutissima M. S. Baker 1893-8-1 s.n. Modoc Big Valley Comment
  JEPS31524  Oenothera flava subsp. flava Milo S. Baker 1893-7-20 Modoc near Forestdale; Lava Beds Comment
  UC20558  Oenothera flava subsp. flava Mrs. C. C. Bruce June 1898 Modoc streets Alturas Comment
  UCR143283  Oenothera tanacetifolia George Willet 1935-6-13 s.n. Modoc 4 mi east of Likely 1524 Comment
  CAS-BOT-BC245090  Olsynium douglasii var. douglasii Bruce Bartholomew; M; M. Gilbert; L. E. Skog 1993-5-11 6512 Modoc 11 km S of Oregon Border along W side of Goose Lake. 1440 Comment
  CDA36035  Onopordum acanthium C. Pirosko Jul 2003 s.n. Modoc 0 Comment
  CHSC99948  Onopordum acanthium Lowell Ahart; John Dittes 2008-8-25 15275 Modoc On the west bank (flood plane) of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout. 1273 Comment
  CHSC114679  Onopordum acanthium D. B. Joley 1976-5-23 2 Modoc Adin. Comment
  CAS-BOT-BC190793  Orobanche corymbosa Roxana Stinchfield Ferris; L. Lorraine 1941-8-14 10593 A Modoc 3 mi. from Patterson Ranger Station on road to Eagleville. Comment
  SEINET6031268  Orobanche uniflora var. occidentalis M. J. Williams 1968-6-1 1154 Modoc Cedar Pass [Warner Mts.} Comment
  CAS-BOT-BC248312  Orthocarpus cuspidatus B. Bartholomew; H. Sun 2002-6-24 8852 Modoc E of Bald Mt., on the E side of the Warner Mountains 2130 Comment
  CAS-BOT-BC232321  Orthocarpus cuspidatus subsp. copelandii K. Paulson; Robert Paulson 1989-6-14 133 Modoc Ca. 1.5 mi. NE of Cedar Pass, Warner Mts. 1920 Comment
  CAS-BOT-BC232322  Orthocarpus cuspidatus subsp. copelandii Francis Dorris Payne 1932-6-26 614 Modoc Parker Creek. 1584 Comment
  JEPS4306  Orthocarpus luteus W. L. Jepson 1918-8-10 7933 Modoc Alturas 1371 Comment
  UC748466  Osmorhiza berteroi Annie M. Alexander and Louise Kellogg 1946-7-12 4981 Modoc Twelve Mile Creek; ne corner of county Comment
  JEPS15913  Osmorhiza berteroi L. S. Smith 1918-7-22 1003 Modoc Blue Lake near Ranch; S. Warner Mts., Modoc Forest, Blue Lake 1828 Comment
  CAS-BOT-BC15733  Osmorhiza chilensis Bruce Bartholomew 1993-6-12 6597 Modoc Above the road to Day Rock from Little Hot Spring Valley. 1260 Comment
  OBI81413  Osmorhiza chilensis Lincoln Constance 1946-7-4 3103 Modoc Deep Creek 3.4 miles below summit, Warner Mountains 1829 Comment
  CAS-BOT-BC15744  Osmorhiza depauperata John Thomas Howell 1934-6-12 12028 Modoc Plum Valley. Comment
  CAS-BOT-BC15746  Osmorhiza occidentalis Barrett Anderson 1986-7-9 3152 Modoc Hwy 299 just W of Cedar Pass. 1920 Comment
  JEPS15929  Osmorhiza occidentalis L. S. Smith 1918-8-11 1019 Modoc Lost Lake Trail Modoc National Forest, Warner Mts. (Camp One, T38-16) 2438 Comment
  NY1101852  Osmorhiza occidentalis K. Paulson 1988-6-19 49 Modoc Happy Camp Guard Station 1554 Comment
  CAS-BOT-BC50302  Packera cana Annie Montague Alexander; L. Kellogg 1946-6-17 4784 Modoc Cedar Pass road. 1767 Comment
  UC190691  Packera cana M. F. Gilman 592 Modoc 1676 Comment
  CAS-BOT-BC316873  Packera eurycephala var. eurycephala R. M. Austin 1894-7-1 s.n. Modoc Goose Lake Valley Comment
  CAS-BOT-BC50317  Packera eurycephala var. eurycephala Bruce Bartholomew 1991-5-25 5766 Modoc 8 km E of Likely on road to Jess Valley, N side of road along N side of S Fork of Pit River. 1460 Comment
  CAS-BOT-BC50324  Packera eurycephala var. eurycephala Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16370 Modoc Junction of Cedar Pass road with Hwy 299. Comment
  CAS-BOT-BC190772  Paeonia brownii Bruce Bartholomew; Barrett Anderson 1989-4-29 4686 Modoc Surprise Valley Road, just S of the Oregon border, extreme NE corner of Modoc County. 1630 Comment
  CAS-BOT-BC190778  Paeonia brownii E. S. Willits 1940-5-4 211 Modoc Willow Ranch. Comment
  UC748209  Paeonia brownii Annie M. Alexander and Louise Kellogg 1946-6-15 4778 Modoc Deep Creek 2164 Comment
  RSA0013799  Paeonia brownii Joan Stewart 2005-6-6 2485 Modoc Stowe Reservoir, Warner Mountains. Comment
  RSA281693  Paeonia brownii S. O. Mattoon 1979-7-13 95 Modoc Patterson Meadows at Patterson G. S., S. Warner Mountains 22 air miles east of Highway 395 at Likely 2195 Comment
  CHSC100435  Panicum capillare Lowell Ahart; John Dittes 2008-8-25 15324 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
  JEPS70586  Panicum capillare Leland S. Smith 1918-9-20 1061 Modoc Surprise Valley , Modoc National Forest 1371 Comment
  UCD86160  Pascopyrum smithii Beecher Crampton; Carl Rimbey 1954-7-7 2123 Modoc Modoc County, Alturas, vacant lot adjacent to Lederer Building. Comment
  CAS-BOT-BC498684  Pectocarya penicillata F. D. Douthitt 1916-5-17 28 Modoc Modoc Forest: Flornoy Swale 1828 Comment
  HSC80739  Pedicularis attollens G. M. Riegel 1980-8-9 1002 Modoc S Warner Mtns. 1670 Comment
  HSC20915  Pedicularis attollens M. T. Milligan 1966-6-19 474 Modoc N end of Jess Valley 1616 Comment
  RSA401926  Pedicularis attollens George Willet 1935-6-26 s.n. Modoc Jess Valley, Warner Mountains. 2439 Comment
  POM203786  Pedicularis groenlandica J. T. Howell 1934-6-14 12140 Modoc Near Lost Lake, Warner Mts. 2439 Comment
  CAS-BOT-BC232306  Pedicularis groenlandica subsp. surrecta Bruce Bartholomew; Barrett Anderson 1988-6-24 4341 Modoc Cave Lake, W side of the Warner Mts.. 2130 Comment
  UC922444  Pellaea breweri Annie M. Alexander and Louise Kellogg 1946-7-23 5049 Modoc Emerson Peak; Warner Mts Comment
  RSA0026210  Penstemon John F. Emmel 1997-6-9 1498 Modoc Along County Road 6 (road from Ft. Bidwell to Fee Reservoir), 5.7 road miles east of junction County Road 1 at east edge of Ft. Bidwell. 1524 Comment
  CAS-BOT-BC232343  Penstemon davidsonii var. davidsonii Bruce Bartholomew 1995-7-31 7104 Modoc E side of the Warner Mts. near crest and just N of the headwaters of the S fork of Davis Creek. 2320 Comment
  CAS-BOT-BC232345  Penstemon davidsonii var. davidsonii Robert Patterson; Mona Bourell 1993-8-15 5277 Modoc Warner Mountains. Along trail from Patterson Lake to ca. 2 mi north towards Pepperdine Trailhead. 2743 Comment
  JEPS8093  Penstemon davidsonii var. davidsonii W. L. Jepson 1918-8-13 7968 Modoc Eagle Peak Warner Mts., Eagle Peak 3017 Comment
  JEPS123496  Penstemon deustus Wilson Collison, Jaileen Merced 2015-7-25 CA 320 -140 Modoc To Road 54 SW from Alturas town, take dirt road on the left before Canyon (4783). Keep straight 4 mi up to dry pit. Comment
  RSA0026212  Penstemon deustus John F. Emmel 1997-6-9 1500 Modoc Eastern foothills of Warner Mts., NE of Fort Bidwell; along County Road 1, 12.5 road miles NE of junction with County Road 6, north of Cow Head Lake, 0.4 air mile NE of BM 5240. 1598 Comment
  CAS-BOT-BC232327  Penstemon deustus var. pedicellatus Leland S. Smith 1917-7-24 114 Modoc Bald Mt. 2438 Comment
  CAS-BOT-BC232328  Penstemon deustus var. pedicellatus Francis Dorris Payne 1932-6-10 532 Modoc Parker Creek. 1584 Comment
  NY591814  Penstemon deustus var. pedicellatus B. M. Bartholomew 1989-6-3 4876 Modoc Boles Creek, ca. 5.5 km east of the southeast corner of Clear Lake Reservoir. 1430 Comment
  CAS-BOT-BC245533  Penstemon gracilentus Frederick H. Frost 1925-7-25 156 Modoc Eagle Peak, Warner Mountains Comment
  UC201715  Penstemon gracilentus W. P. Taylor and H. C. Bryant 1910-7-13 Modoc Head N. Fork Parker Cr. Warner Mountains, N. Fork Parker Cr. 2286 Comment
  CAS-BOT-BC245516  Penstemon janishiae Elmer Ivan Applegate 1897-6-1 869 Modoc 9 mi. W of Alturas, near Pit River. Comment
  SJSU7680  Penstemon laetus var. sagittatus H. L. Buckalew 1961-6-23 Modoc near Stowe Reservoir c. 1 mi N of Cedar Pass on Alturas-Cedarville Rd, Warner Mts 2072 Comment
  NY604570  Penstemon laetus var. sagittatus E. K. Balls 1952-10-11 18167 Modoc 6.7 miles west of turn off Highway 139 on road to Pumice Pits at edge of Glass Flow (east edge) 1280.2 Comment
  CAS-BOT-BC245510  Penstemon procerus var. procerus Bruce Bartholomew 1995-8-1 7148 Modoc Headwater of Schadler Ditch just NE of Bidwell Mtn., E side of the Warner Mountains. 2110 Comment
  CAS-BOT-BC232504  Penstemon roezlii Annie Montague Alexander; L. Kellogg 1946-6-17 4788 Modoc 10 mi. NE of Alturas, Cedar Pass Road. Comment
  CAS-BOT-BC232519  Penstemon roezlii Bruce Bartholomew; Barrett Anderson 1988-6-23 4246 Modoc 4.2 km NW of Day. 1020 Comment
  CAS-BOT-BC245573  Penstemon roezlii Alice Eastwood; John Thomas Howell 1940-6-12 8090 Modoc Jess Valley. Comment
  CAS-BOT-BC245575  Penstemon roezlii K. Paulson; Robert Paulson 1989-6-14 130 Modoc Ca. 1.5 mi. NE of Cedar Pass, Warner Mts. 1920 Comment
  HSC30181  Penstemon roezlii D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19391 Modoc Along Hager Basin Rd. near Big Sage Reservoir. Comment
  SEINET195630  Penstemon roezlii Annie M. Alexander, L Kellogg 1946-6-12 4740 Modoc Fandango Pass rd 1707 Comment
  SEINET211449  Penstemon roezlii J. L. Reveal 1971-6-22 2459 Modoc Along US Hwy 395 at Davis Creek 1454 Comment
  SEINET183710  Penstemon roezlii L. Constance 1938-6-12 2335 Modoc Near foot of Banner Grade Cedar Pass rd 12.8 mi NE of Alturas W foothills of Warner Range 1463 Comment
  UC190613  Penstemon roezlii M. F. Gilman 672 Modoc Warner Mts. 1828 Comment
  UC725543  Penstemon roezlii A. A. Heller 1941-6-26 16225 Modoc on State Hwy 299 seven mi w Canby; w of Canby Comment
  CAS-BOT-BC245495  Penstemon rydbergii var. oreocharis Bruce Bartholomew; Barrett Anderson 1989-6-3 4855 Modoc Crowder Flat Road at Fletcher Creek. 1550 Comment
  HSC20995  Penstemon rydbergii var. oreocharis M. T. Milligan 1965-6-26 314 Modoc N end Jess Valley. 1616 Comment
  JEPS11467  Penstemon rydbergii var. oreocharis L. S. Smith 1920-7-13 1182 Modoc Crowder Flat Ranger Station Comment
  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
  HSC80745  Penstemon speciosus G. M. Riegel 1980-8-20 1087 Modoc S Warner Mtns. Comment
  JEPS11391  Penstemon speciosus Milo S. Baker 1893-7-8 Modoc near Forestdale, sw (Lava beds); , near Forestdale, sw Comment
  UC27442  Penstemon speciosus Mrs. R. M. Austin and Bruce July 1898 2359 Modoc Lake shore Comment
  RSA78912  Penstemon speciosus E. K. Balls, Percy C. Everett 1952-10-10 18153 Modoc 0.5 mi below South Fork Public Camp, 7.5 mi E of Likely on road to Jess Valley. 1524 Comment
  CAS-BOT-BC140469  Peraphyllum ramosissimum Ella Dales Cantelow 1940-5-31 4302 Modoc 3 mi. E. of Canby Comment
  CAS-BOT-BC214727  Peraphyllum ramosissimum Amos Arthur Heller 1938-6-24 15228 Modoc Between Alturas and Canby. 1219 Comment
  CAS-BOT-BC214728  Peraphyllum ramosissimum Mrs. H. C. Cantelow 1940-5-3 s.n. Modoc 3 mi. E of Canby. Comment
  JEPS45605  Peraphyllum ramosissimum L. S. Smith Jul 1920 1199 Modoc w of Alturas Comment
  UC1191506  Peraphyllum ramosissimum Malcolm A. Nobs and S. Galen Smith 1949-5-29 766 Modoc e of Kelley Hot Springs Comment
  NY1102247  Perideridia bolanderi subsp. bolanderi L. C. Wheeler 1935-8-16 3881 Modoc Dismal Swamp, Twenty Mile Creek, Warner Mountains 2225 Comment
  SEINET11142109  Perideridia bolanderi subsp. bolanderi M. J. Williams 1984-7-1 84- 86 -1 Modoc Crowder Flat Road, 3.1 miles N of Hwy 299. 1341 Comment
  CHSC39005  Perideridia kelloggii J. D. Jokerst 1983-7-18 1857 Modoc North of Miles Flat west of and adjacent to Road 5500 at its jct. with the center of section. Comment
  UC20886  Perideridia oregana Mrs. R. M. Austin July 1894 Modoc Goose Lake Valley Comment
  CHSC106206  Persicaria lapathifolia Lowell Ahart; John Dittes 2010-8-31 17080 Modoc On the north side of a wash, near pond, about 50 yards east of the fence, south edge of the meadow, Ash creek State Wildlife aArea, 2300 feet north of Lassen County Linee, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  CAS-BOT-BC218157  Persicaria maculosa L. A. M. Black 1894-9-1 62 Modoc Davis Creek. Comment
  UC735086  Phacelia Lincoln Constance 1946-7-4 3106 Modoc 1.5 mi below summit; Warner Mountains, Deep Creek 1981 Comment
  CHSC23594  Phacelia adenophora K. R. Stern; D. B. Joley, J. G. Geschke 1974-6-23 5847 Modoc Comment
  JEPS2029  Phacelia hastata subsp. compacta W. L. Jepson 1918-8-13 7980 Modoc Eagle Peak Warner Mts. 3017 Comment
  CAS-BOT-BC179270  Phacelia hastata subsp. hastata Elmer Ivan Applegate 1932-8-1 7964 Modoc Mill Creek Meadow, W slope of Warner Mts. Comment
  CAS-BOT-BC180013  Phacelia heterophylla subsp. virgata John Thomas Howell 1934-6-11 11911 Modoc Parker Creek. 1584 Comment
  CAS-BOT-BC180015  Phacelia heterophylla subsp. virgata Lincoln Constance 1946-7-4 3101 Modoc Above Thom's Creek, 17 mi. NE of Alturas. 1676 Comment
  HSC13655  Phacelia heterophylla subsp. virgata M. T. Milligan 1965-6-27 351 Modoc E slope of eroded volcanic plateau. 1677 Comment
  POM73456  Phacelia heterophylla subsp. virgata Mrs. R. M. Austin 547 Modoc Goose Lake Valley Comment
  UC24489  Phacelia heterophylla subsp. virgata Geo. H. Boke 1890-1 Modoc Comment
  JEPS2124  Phacelia humilis L. S. Smith 1918-7-11 984 Modoc Mill Creek Meadows Modoc <National> Forest 2087 Comment
  SBBG30500  Phacelia humilis D. Myrick 1968-6-20 1970 Modoc Cedar Pass on St Hwy 299, E of Alturas 1920 Comment
  CAS-BOT-BC179972  Phacelia humilis var. humilis M. M. Hanna 1956-6-5 s.n. Modoc Cedar Pass Camp ground. Comment
  CAS-BOT-BC179977  Phacelia humilis var. humilis Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16406 Modoc Cedar Pass Campground, 3 mi. E of Thoms Creek Bridge. Comment
  CAS-BOT-BC179978  Phacelia humilis var. humilis Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16416 Modoc Near summit of Cedar Pass. 1935 Comment
  CAS-BOT-BC179993  Phacelia humilis var. humilis K. Paulson; Robert Paulson 1989-6-28 152 Modoc Vicinity of Granger Creek, E side of the Warner Mts. 1905 Comment
  CAS-BOT-BC179995  Phacelia humilis var. humilis K. Paulson; Robert Paulson 1988-6-11 29 Modoc N of Stough Reservoir, Warner Mts.. 1706 Comment
  POM264911  Phacelia humilis var. humilis J. T. Howell 1934-6-13 12062 Modoc Fandango Pass, Warner Mountains. 1829 Comment
  CAS-BOT-BC179971  Phacelia inundata Dean W. Taylor; et al 1987-8-9 9271 Modoc Dry Lake. 1341 Comment
  RSA502328  Phacelia inundata D. W. Taylor, G. Clifton, R. Palmer 1987-8-9 9271 Modoc Dry Lake; T44N R6E S5 1341 Comment
  UC914300  Phacelia inundata Verne Grant 1947-8-27 8316 Modoc sw end Clear Lake Comment
  OBI59430  Phacelia linearis Barbara Ertter 1988-6-18 7621 Modoc hwy 139 ca 50 airmiles SW of Klamth Falls, a few mi N of Agric. inspection station, 1 mi S of S jct to Lava Beds Natl Monument E of Tonesta. T44N R6E sec 14 1311 Comment
  RSA42002  Phacelia linearis H. C. Cantelow 1940-6-2 3231 Modoc West of Alturas, road to Lava Beds National Monument. Comment
  UCD35722  Phacelia linearis Beecher Crampton 1960-6-17 5680 Modoc 8 miles north of Perez, west of the southern portion of Clear Lake Reserv., Saddleblanket Flat. 1371 Comment
  CAS-BOT-BC179932  Phacelia ramosissima var. eremophila Clare Butterworth Hardham 1961-6-20 7872 Modoc Pine Creek Canyon. 1676 Comment
  CAS-BOT-BC179938  Phacelia ramosissima var. ramosissima Annie Montague Alexander; L. Kellogg 1946-6-18 4807 Modoc Base of lava bluff facing Lower Lake. Comment
  CAS-BOT-BC179919  Phacelia tetramera Bruce Bartholomew 1991-5-24 5691 Modoc Surprise Valley, 5.1 km E of Eagleville. 1370 Comment
  UC881274  Phacelia thermalis Lewis S. Rose 1940-6-12 40537 Modoc 10 mi south of Alturas 1341 Comment
  CAS-BOT-BC247555  Phalaris angusta Bruce Bartholomew 1991-7-6 5961 Modoc Ash Creek Bird Santuary, 0.2 km N of Lassen County line on Modoc County Road 87A. 1260 Comment
  JEPS121231  Phalaris arundinacea Lowell Ahart, John Dittes 2013-7-24 18925 Modoc On the N side of the levee road, N side of Ash Creek Floodplain, 0.54 air miles SE of Pilot Butte parking area, 1.1 air miles S of County Road 87, 6.8 air miles W of Adin, Big Valley. Comment
  UCD88512  Phalaris arundinacea G. F. Hrusa; T. D. Wilfred 1996-7-21 13322 Modoc Adjacent to Pit River at Modoc Co. Rd. 90 bridge. E base of Splawn Mountain. N end of Big Valley. 1500 Comment
  CAS-BOT-BC247553  Phleum alpinum Bruce Bartholomew; Barrett Anderson 1990-7-21 5586 Modoc Homestead Flat, ca. 2.5 km E of Patterson Ranger Station, E side of Warner Mts. 2160 Comment
  UCD89607  Phleum alpinum L. D. Whitney 1935-7-15 3464 Modoc stream near Bulls-eye Lake. Comment
  HSC10593  Phleum pratense M. T. Milligan 1965-6-26 320 Modoc N end Jess Valley. 1616 Comment
  HSC37475  Phleum pratense A. M. Montalvo, J. D. Ackerman 1974-7-4 361 Modoc Howard's Gulch, 6 mi. NW of Canby, off Hwy. 139. 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
  CAS-BOT-BC197950  Phlox diffusa C. C. (Mrs.) Bruce 1898-7-1 2331 Modoc Head Davis Creek. Comment
  CAS-BOT-BC197956  Phlox diffusa Bruce Bartholomew; Barrett Anderson 1989-4-28 4648 Modoc 8.8 km N of State Highway 299 on road to Raker & Thomas Reservoir. 1470 Comment
  UC71717  Phlox diffusa Mrs. M. H. Manning 1903-8-27 103 Modoc Mt. Bidwell, ne Modoc County Mt. Bidwell Comment
  UC1237943  Phlox diffusa John Weiler and A. P. Nelson May 26 1961-May 29 1961 61226 Modoc Cedar Pass Warner Mountains Comment
  JEPS2796 Image available Phlox douglasii Mrs. C. C. Bruce 1898-7-1 2331 Modoc head Davis Creek; ; Head of Davis Creek, Modoc Co. Comment
  SEINET3145512  Phlox douglasii E. K. Balls 1950-5-10 15959 Modoc Hwy. 395, 5.5 mi NE of Alturas, 0.5 mi before junction 1524 Comment
  CAS-BOT-BC197926  Phlox douglasii subsp. rigida Roxana Stinchfield Ferris; R. Duthie 1919-6-14 117 Modoc Near Parker Creek. 1981 Comment
  CAS-BOT-BC197920  Phlox douglasii subsp. rigida Gordon H. True 1964-6-3 1437 Modoc South Fork Pit River between Alturas and Goose Lake. 1432 Comment
  SEINET7073582  Phlox gracilis A. G. Vestal 1955-5-18 s.n. Modoc About 3.2 miles east of Aden on Route 87. UTM Zone 10, 666674mE, 4563618mN. Coordinate datum: NAD27. Comment
  UC748422  Phlox gracilis Annie M. Alexander and Louise Kellogg 1946-6-12 4729 Modoc Fort Bidwell 1444 Comment
  SJSU9548  Phlox hoodii subsp. canescens W. Savage 1979-7-3 1282 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  HSC68923  Phlox hoodii subsp. canescens Gary Schoolcraft 1980-4-17 207 Modoc W of Wade Williams Spring, S of Alturas. 1463 Comment
  RSA647581  Phlox hoodii subsp. canescens Marion P. Harthill 1972-6-17 850 Modoc Cedar Pass 1921 Comment
  SEINET3145526  Phlox longifolia E. K. Balls 1950-5-10 15958 Modoc Hwy 395, 8.5 mi NE of Alturas 1524 Comment
  RSA469949  Phlox longifolia subsp. brevifolia J. P. Smith, J. O. Sawyer 1972-5-6 5269 Modoc Along State Route 299; 4 miles west of Modoc Co. Road 58 east of Alturas. 1494 Comment
  POM65102  Phlox speciosa subsp. occidentalis M. S. Baker 1893-1 s.n. Modoc Craig's Comment
  CAS-BOT-BC197879  Phlox stansburyi Bruce Bartholomew; Barrett Anderson 1989-4-29 4670 Modoc 6.4 km E of Fort Bidwell on road to Fee Reservoir, NE corner of Surprise Valley. 1460 Comment
  RSA165573  Phlox stansburyi Clare B. Hardham 1961-6-18 7806 Modoc 3.3 miles southwest of Cedar Pass Road 1372 Comment
  UC449765  Phlox stansburyi Mrs. M. H. Manning 1907-4-23 713 Modoc e side Warner Range; , Warner Valley Mts. Comment
  CHSC118078  Phlox stansburyi var. brevifolia L. P. Janeway 2016-5-17 12037 Modoc Modoc Plateau. Devils Garden area; along road 45N06 1.6 road-km northeast of Logan Slough crossing; about 3.4 air-km north of Big Sage Reservoir. 1494 Comment
  CAS-BOT-BC374925  Phoenicaulis cheiranthoides Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16432 Modoc Near summit of Cedar Pass. 1920 Comment
  HSC26170  Phoenicaulis cheiranthoides D. H. Norris, T. Nelson, S. Dowty 1971-6-23 19413 Modoc Along Hager Basin Rd. near Big Sage Reservoir. Comment
  HSC6880  Phoenicaulis cheiranthoides M. T. Milligan 1967-7-8 663 Modoc W slope of Eagle Peak 2500 Comment
  JEPS5939  Phoenicaulis cheiranthoides Frances D. Payne 1932-4-22 385 Modoc 8 mi e of Alturas (on road to Parker Creek) Comment
  POM260187  Phoenicaulis cheiranthoides C. L. Hitchcock 1940-5-27 6673 Modoc 15 miles northeast of Alturas. 1616 Comment
  RSA520467  Phoenicaulis cheiranthoides K. Paulson, R. Paulson 1989-5-8 106 Modoc Howard s Gulch. Along Hwy 139. 1372 Comment
  HSC6879  Phoenicaulis cheiranthoides M. T. Milligan 1964-4-25 Modoc 1 mi. up Barns Grade Rd. at stock pens Comment
  CAS-BOT-BC135157  Phoradendron juniperinum John Thomas Howell 1934-6-11 11921 Modoc Parker Creek, Warner Mts. 1584 Comment
  CAS-BOT-BC135158  Phoradendron juniperinum Francis D. Payne 1935-7-28 804 Modoc Parker Creek 1676 Comment
  CAS-BOT-BC245224  Phoradendron juniperinum K. Paulson; Robert Paulson 1991-5-25 218 Modoc Householder Reservoir. 1639 Comment
  RSA6893  Pinus albicaulis Elmer I. Applegate 1932-7-9 7587 Modoc Near summit of Bidwell Mountain, Warner Range. Comment
  RSA176212  Pinus attenuata C. O. Stone 1963-12-26 277 Modoc In rockland on recent lava flow ca. 1 1/2 miles S of Gassaway Reservoir. 1098 Comment
  SEINET191397  Pinus monticola M. Ownbey, FG Meyer 1940-7-1 2153 Modoc Near summit of Clear Peak Warner Mountains Comment
  CAS-BOT-BC79038  Pinus ponderosa John Thomas Howell 1934-6-16 12205 A Modoc Parker Creek, Warner Mts. 1584 Comment
  UC71713  Pinus ponderosa Mrs. M. H. Manning 1903-1-1 11 Modoc e slope of Warner Mts. Warner Mts. (in ne Modoc County) 1828 Comment
  SEINET12616116  Pinus ponderosa var. ponderosa David A. Charlet 1994-7-7 1933 Modoc Warner Mountains near Surprise Valley floor at Lake City turnoff. 1433 Comment
  CHSC118816  Pinus ponderosa var. washoensis L. P. Janeway 2015-8-10 11831 Modoc Warner Mountains. Junction of the 64 Road (39N01 - the road to Patterson Campground and Road 38N22;); top of ridge on the west side of Patterson Meadow. 2158 Comment
  CDA602  Pinus washoensis T. C. Fuller 1971-7-14 19904 Modoc Warner Mountains; Patterson Guard Station, southern Warner Mtns. 0 Comment
  UC1191843  Plagiobothrys cusickii Herbert L. Mason and Verne Grant 1947-7-12 13415 Modoc s of Alturas (near s end of w side road); Pit River Valley Comment
  UC79362  Plagiobothrys cusickii Mrs. R. M. Austin Modoc Comment
  CAS-BOT-BC58790  Plagiobothrys leptocladus Annie Montague Alexander; L. Kellogg 1946-6-7 4675 Modoc 2 mi. E of Cedarville. 1453 Comment
  UC1191651  Plagiobothrys mollis Verne Grant, Herbert L. Mason 1947-7-12 13407 Modoc sw Alturas (w side South Fork Pit River Valley); w side South Fork Pit River Valley Comment
  CHSC106335  Plagiobothrys mollis var. mollis Lowell Ahart; John Dittes 2010-8-30 17077 Modoc About 25 yards east of the fence, south edge of the meadow, Ash Creek State Wildlife Area, 2300 feet north of Lassen County line, 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  CAS-BOT-BC58740  Plagiobothrys scouleri John Thomas Howell 1934-6-12 12034 A Modoc Plum Valley. Comment
  CAS-BOT-BC58758  Plagiobothrys scouleri Herbert Louis Mason; Verne Grant 1947-7-12 13415 Modoc Pit River Valley, S of Alturas. Comment
  RSA611433  Plagiobothrys scouleri L. C. Wheeler 1936-8-16 3865 Modoc Dismal Swamp, Twenty-Mile Creek, Warner Nts. 2226 Comment
  RSA164362  Plagiobothrys scouleri var. hispidulus Clare B. Hardham 1961-6-17 7518 Modoc Cedar Pass Camp Ground, Warner Mountains Comment
  CAS-BOT-BC58772  Plagiobothrys tenellus Bruce Bartholomew; Barrett Anderson 1988-5-13 4169 Modoc Ca. 1 km SE of Parker Creek Road on West Warner Road, W side of the Warner Mts.. 1710 Comment
  UCR37817  Platanthera dilatata var. leucostachys O. Ballantyne 1983-7-18 s.n. Modoc Warner Mtn., Tributary of North Fork of East Creek 1585 Comment
  CAS-BOT-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
  JEPS86307  Platanthera leucostachys Jack and Betty Guggolz 1988-7-5 980 Modoc alongside but not in west branch of Bidwell Creek; North Star Basin Comment
  UC673581  Platanthera leucostachys F. H. Frost 1925-7-12 57 Modoc Stowe's Meadow, halfway up Cedar Canyon Warner Mts., Cedar Canyon Comment
  CAS-BOT-BC242207  Platanthera stricta Bruce Bartholomew; Barrett Anderson 1988-6-24 4328 Modoc Field redacted by CAS, contact the data manager for more information 2130 Comment
  CAS-BOT-BC136648  Platanthera stricta Mrs. R. M. Austin 1884-7-1 167 Modoc Field redacted by CAS, contact the data manager for more information Comment
  CAS-BOT-BC136653  Platanthera stricta Elmer I. Applegate 1932-7-7 8230 Modoc Field redacted by CAS, contact the data manager for more information Comment
  CAS-BOT-BC242208  Platanthera stricta Bruce Bartholomew 1989-8-11 5075 Modoc Field redacted by CAS, contact the data manager for more information 1920 Comment
  RSA433722  Plectritis californica Christopher Davidson 1973-5-24 2101 Modoc S of Alturas on Hwy 395 near Likely. 1311 Comment
  RSA152450  Plectritis macrocera subsp. grayi I. L. Wiggins, Dorothy Wiggins 1961-6-12 16420 Modoc Near summit of Cedar Pass, between Alturas and Cedarville. 1951 Comment
  SEINET195478  Pleiacanthus spinosus Annie M. Alexander, Louise Kellogg 1946-7-5 5910 Modoc Lava Cliff west Lower Lake Comment
  UC711850  Pleiacanthus spinosus Roxana S. Ferris and Laura Lorraine 1941-8-14 10617 Modoc on road between Fort Bidwell and Pine Creek (Summit of Fandango Pass); Modoc National Forest, Warner Mountains, Summit of Fandango 1889 Comment
  UC710915  Poa C. L. Hitchcock 1940-5-27 6732 Modoc 12 mi ne Alturas 1615 Comment
  UC1037186  Poa X fibrata Leo Whitney 1935-7-23 3570 Modoc 15 mi w Canby (Happy Camp, <USEE> Plot); Modoc Nat'l Forest 1463 Comment
  UC1025051  Poa annua Leo Whitney 1935-8-3 3594 Modoc Buck Creek Comment
  HSC10656  Poa bulbosa M. T. Milligan 1964-6-20 74 Modoc Old Rodeo Grounds, Alturas. 1372 Comment
  SEINET201657 Image available Poa canbyi Unknown 1959-6-19 8491 Modoc At Clear Lake; Warner Mts. 15 miles east of Likely . 1769 Comment
  CHSC85107  Poa compressa John Dittes; Josephine Guardino 1991-7-21 440 Modoc Modoc Plateau; Big Valley; Ash Creek Wildlife Area; ca. 5.7 air-miles northeast of Bieber, ca. 7.6 air-miles west of Adin, ca. 1.5 air-mile southeast of Pilot Butte summit; meadow at northern edge of Ash Creek Floodplain (Big Swamp) at southeast base of Pilot Butte. 1258 Comment
  CAS-BOT-BC247580  Poa cusickii Bruce Bartholomew 1991-6-23 5872 Modoc W side of Ingall Swamp, Devil's Garden. 1510 Comment
  UCD90533  Poa leptocoma August L. Hormay 1932-7-17 s.n. Modoc 1.25 miles south of the California-Oregon Garden. Warner Mountains, Yellow Mountain area. Modoc National Forest. Lily Lake. 8 miles (in direct line) NNW Fort Bidwell. Comment
  SACT001882  Poa nevadensis Herbert Mason, Malcolm Nobs 1949-5-29 Modoc 2 miles east of Adin. Comment
  UCD91792  Poa palustris Beecher Crampton 1954-7-7 2159 Modoc 2.5 miles east of Alturas, near radio station KCNO. Comment
  CDA2368  Poa pratensis T. C. Fuller 1958-7-8 2016 Modoc Davis Creek. 0 Comment
  HSC10760  Poa pratensis M. T. Milligan 1965-6-26 346 Modoc E slope of eroded volcanic plateau. 1677 Comment
  RSA534587  Poa pratensis Bruce Bartholomew, B. Anderson 1990-7-21 5580 Modoc Homestead Flat, ca. 2.5 km E. of Patterson Ranger Station, E. side of Warner Mts. 2160 Comment
  POM264350  Poa secunda A. A. Beetle 1941-6-29 2827 Modoc Near summit of Cedarville Pass. 2119 Comment
  UCD90461  Poa secunda E. Wilson 1935-5-14 s.n. Modoc E side of Cedar Pass. Comment
  UCD90463  Poa secunda E. Wilson 1935-5-15 s.n. Modoc 20 miles W of Alturas. Comment
  UCR64615  Poa secunda A. A. Beetle 1941-6-29 2827 Modoc Near summit of Cedarville Pass 2119 Comment
  SEINET8077608 Image available Poa secunda Alan A. Beetle 1941-1 2827 Modoc Near summit of Cedarville Pass 2119 Comment
  CHSC67416  Poa secunda subsp. juncifolia James D. Jokerst 1986-8-11 2761 Modoc Radar Site Survey S of Doublehead Mtn., unnamed dry lake ca. 1.2 mi WNW of Rimrock Lake. Comment
  UC1037101  Poa secunda subsp. juncifolia Leo Whitney 1935-5-21 3095 Modoc ca 15 mi nw Canby (Hackamore, Spaulding's Butte); Modoc Nat'l Forest 1463 Comment
  UC70673  Poa secunda subsp. juncifolia Mrs. M. H. Manning June 1903 428 Modoc Comment
  CAS-BOT-BC247603  Poa secunda subsp. secunda Elmer Ivan Applegate 1932-7-31 7976 Modoc Mill Creek Meadow. Comment
  CAS-BOT-BC247605  Poa secunda subsp. secunda John Thomas Howell 1934-7-1 12343 Modoc Duncan Horse Camp. 1355 Comment
  CAS-BOT-BC247660  Poa secunda subsp. secunda John Thomas Howell 1934-6-11 11927 Modoc Parker Creek. 1584 Comment
  CAS-BOT-BC247666  Poa secunda subsp. secunda James D. Jokerst 1983-5-31 1804 Modoc Near Signal Butte. 1340 Comment
  CHSC69492  Poa secunda subsp. secunda James D. Jokerst 1987-5-13 2870 Modoc Radar Survey Site S of Doublehead Mtn., S of Clear Lake Reservoir, S end of northern sector. 1359 Comment
  JEPS127211  Poa secunda subsp. secunda Lowell Ahart, John Dittes 2016-6-6 20940 Modoc About 50 yards southwest of the intersection of County Road 87 and Access Road to Pilot Butte Parking Area, northeast base of Pilot Butte, 3.8 miles (air) east of Lookout, 7.5 miles (air) west of Adin, Ash Creek State Wildlife Area. Comment
  UC1024672  Poa secunda subsp. secunda Leo Whitney 1934-4-15 2177 Modoc ca 15 mi nw Canby (Hackamore); Modoc Nat'l Forest 1463 Comment
  UC1024904  Poa secunda subsp. secunda Leo Whitney 1935-5-21 3110 Modoc ca 15 mi nw Canby (Hackamore); Modoc Nat'l Forest 1463 Comment
  UC1025000  Poa secunda subsp. secunda Leo Whitney 1935-7-7 3383 Modoc 4 mi n Canby (Howard Gulch) Comment
  UC790977  Poa secunda subsp. secunda A. A. Beetle 1941-6-29 2827 Modoc near summit Cedarville Pass 2118 Comment
  CAS-BOT-BC252520  Poa wheeleri Bruce Bartholomew; Barrett Anderson 1989-6-2 4774 Modoc Buck Creek, 1 cm NE of Fandango Pass Road, W side of the Warner Mountains. 1660 Comment
  CHSC109463  Poa wheeleri L. P. Janeway; B. Castro 2012-7-26 11016 Modoc Warner Mountains. Top of Yellow Mountain; topmost part and western edge (at the edge of a steep dropoff to the northwest). 2463 Comment
  HSC80842  Poa wheeleri G. M. Riegel 1979-7-23 585 Modoc S Warner Mtns. 1829 Comment
  UC1037158  Poa wheeleri Leo Whitney 1935-7-7 3380 Modoc 4 mi nw Canby (Howard Gulch) Comment
  CAS-BOT-BC179347  Pogogyne floribunda James D. Jokerst 1990-7-31 3204 Modoc Ca. 2 mi. SE of Doublehead Mountain. 1371 Comment
  CAS-BOT-BC179348  Pogogyne floribunda Bruce Bartholomew 1995-6-24 7019 Modoc 24.8 km E of County Road 114 on County Road 108, N of Clear Lake Reservoir. 1360 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-BC179355  Pogogyne floribunda James D. Jokerst 1987-6-23 2932 Modoc W of Dirt Road ca. 1.3 mi. SE of Doublehead Lake and 2/3 mi. NW of Lone Pine Lake. Comment
  CHSC67511  Pogogyne floribunda J. D. Jokerst 1987-7-13 2946 Modoc Modoc National Forest, Devils Garden Ranger District (south of Clear Lake), west of Sector 4 of the Air Force Backscatter Radar Site. About 3 miles S of Doublehead Mountain. Comment
  CHSC67518  Pogogyne floribunda J. D. Jokerst 1987-6-23 2931 Modoc Modoc National Forest, Devils Garden Ranger District (south of Clear lake). Small lake several hundred meters S of Doublehead Lake. Comment
  JEPS114685  Polemonium micranthum Lowell Ahart, John Dittes 2008-6-21 14981 Modoc North of the large culvert, west of the large levee, in Big Valley, about 2.8 miles (air) north of the Headquarters at Ash Creek State Wildlife Area, about 5.4 miles (air) northeast of Bieber 1255 Comment
  JEPS28838  Polemonium micranthum Lincoln Constance and Emil DiFulvio 1962-4-16 3748 Modoc open slope 3.2 mi n Likely 1310 Comment
  UC1332126  Polemonium micranthum Alice Eastwood, John Thomas Howell 1940-6-12 8057 Modoc between Likely and Jess Valley; between Likely and Jess Valley Comment
  CDA40274  Polemonium micranthum T. C. Fuller 1961-5-17 6956 Modoc Highway 395, 1 mile east of Alturas. 0 Comment
  RSA26474  Polyctenium fremontii Alice Eastwood, JT Howell 1940-6-15 8275 Modoc Near Perez Comment
  JEPS13800  Polyctenium fremontii Mary H. Manning 1912-4 Modoc Tule Lake Comment
  CHSC67097  Polyctenium fremontii var. fremontii James D. Jokerst 1987-5-13 2855 B 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
  JEPS79754  Polygonum aviculare Louis C. Wheeler 1935-8-26 3922 Modoc 1 mi nw Mud Lake; Devil's Garden 1524 Comment
  UC1192347  Polygonum aviculare subsp. buxiforme Verne Grant, Irving Schneider 1947-7-18 8043 Modoc S of Alturas (Eastside Canal, 5 mi N of Bayley's bridge) Comment
  CDA2802  Polygonum convolvulus T. C. Fuller 1958-7-8 2019 Modoc Davis Creek. 0 Comment
  CAS-BOT-BC218127  Polygonum douglasii Bruce Bartholomew 1989-8-12 5131 Modoc Deep Creek, E side of Warner Mountains. 1920 Comment
  CAS-BOT-BC218128  Polygonum douglasii Bruce Bartholomew; Barrett Anderson 1989-6-2 4780 Modoc Top of Fandango pass, Warner Mountains. 1870 Comment
  CAS-BOT-BC218143  Polygonum douglasii John Thomas Howell 1934-7-1 12317 Modoc Duncan Horse Camp. 1355 Comment
  SD46732  Polygonum douglasii Robert J. Weatherly 1955-7-7 1608 Modoc 7 miles north of Ft. Bidwell 1874 Comment
  NY412807  Polygonum kelloggii var. kelloggii B. M. Bartholomew 1988-5-12 4097 Modoc White Horse 15' Quad. 1340 Comment
  UCR67027  Polygonum pensylvanicum George K. Helmkamp 1990-9-23 J- 18 Modoc Warner Mtns, Goose Lake, within 0.1 mi of the Oregon border 1476 Comment
  POM104438  Polygonum persicaria R. M. Austin 1895-07 s.n. Modoc Goose Lake Valley. Comment
  CAS-BOT-BC218163  Polygonum polygaloides Bruce Bartholomew; Barrett Anderson 1990-7-20 5520 Modoc Tamarack Flat, E side of Warner Mts. 2150 Comment
  CAS-BOT-BC218165  Polygonum polygaloides Bruce Bartholomew; Barrett Anderson 1989-6-1 4726 Modoc Shake Spring, NW side of Shaffer Mountain. 1500 Comment
  JEPS98243  Polygonum polygaloides subsp. confertiflorum R. E. Preston 2000-7-18 1406 Modoc 13 mi NW of Canby (along s side of Hwy 139; ca 500 ft e of FSR 44N11) 1481 Comment
  POM260895  Polygonum polygaloides subsp. confertiflorum Alice Eastwood, John T. Howell 1940-6-14 8210 Modoc 8 miles NW of Canby Comment
  JEPS19796  Polygonum polygaloides subsp. confertiflorum Rimo Bacigalupi with S. Galen Smith 1957-6-27 5982 Modoc about 9 mi nw of Canby (along State Highway 139); State Highway 139 1584 Comment
  UCD77940  Polygonum polygaloides subsp. esotericum Robert E. Preston 2000-7-18 1419 Modoc Ca. 8 mi nw of Canby, on n side of Hwy 139, 0.75 mi w of Forest Service Rd 46N10. 1511 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
  CAS-BOT-BC218189  Polygonum polygaloides subsp. kelloggii Roxana Stinchfield Ferris; R. Duthie 1919-6-14 107 Modoc Above Parker Creek, Warner Mts. Comment
  CAS-BOT-BC218145  Polygonum spergulariiforme F. Angwin 1945-10-7 s.n. Modoc Adin. 1371 Comment
  CAS-BOT-BC218151  Polygonum spergulariiforme Bruce Bartholomew; Barrett Anderson 1990-7-19 5397 Modoc Turner Creek at County Rd 90, N end of Big Valley, 6.4 km N of Lassen County border. 1230 Comment
  CAS-BOT-BC218152  Polygonum spergulariiforme Bruce Bartholomew 1994-10-8 6874 Modoc 0.8 km SE of Lookout Junction on road to Lookout. 1280 Comment
  CDA13459  Polygonum spergulariiforme G. F. Hrusa, T. D. Wilfred 1996-7-21 13306 Modoc Modoc Plateau; Adjacent to Modoc Co. Rd. 90 bridge over Pit River. E base of Splawn Mtn. N end of Big Valley. Comment
  POM203795  Polygonum spergulariiforme J. T. Howell 1934-7-1 12326 Modoc Duncan Horse Camp. Comment
  SJSU8858  Polygonum spergulariiforme J. W. Tilden 1958-6-26 1268 Modoc W side Cedar Pass near rd between Alturas & Cedarville 1828 Comment
  JEPS74064  Polypogon monspeliensis Frances D. Payne 1935-7-28 805 Modoc s and e Alturas (hills n Parker Creek); Warner Mountains, hills n Parker Creek Comment
  CAS-BOT-BC95152  Porterella carnosula Bruce Bartholomew 1991-6-21 5809 Modoc 4 km S of Forest Service road 73 on road to Rim Rock Valley. 1570 Comment
  SEINET10460822  Porterella carnosula Annie M. Alexander, Louise Kellogg 1946-7-11 Alexander 4975 Modoc Mesa west, northeast corner of county 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
  POM312996  Potamogeton foliosus Verne Grant, Irving Schneider 1947-7-22 8153 Modoc Headwaters of North Fork of Pit River, one mile northwest of Highway 395 on dirt road leading to south end of Goose Lake. Comment
  UC1099863  Potamogeton foliosus Verne Grant, Irving Schneider 1947-7-29 8178 Modoc s of Alturas (near Payne Reservoir); Fitzhugh Creek Comment
  CHSC117500  Potamogeton foliosus subsp. foliosus Lowell Ahart; John Dittes 2016-7-14 21211 Modoc In Ash Creek Canal (now filled in), south of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) west of Adin, Big Valley. 1273 Comment
  POM208869  Potamogeton gramineus Milo S. Baker 1899-8-18 s.n. Modoc Little Hot Spring Valley Comment
  SEINET5335351  Potamogeton natans M. S. Baker 1899-8-18 s.n. Modoc Little Hot Springs Valley Comment
  SEINET5335353  Potamogeton natans M. S. Baker 1899-8-12 s.n. Modoc Egg Lake Comment
  UC1100067  Potamogeton nodosus Herbert L. Mason, Verne Grant 1947-7-12 13398 Modoc several mi s of Alturas (by Jones' Lane, off Hwy 3995) Comment
  CHSC99517  Potamogeton pectinatus Lowell Ahart; John Dittes 2008-6-21 15005 Modoc In shallow water 6-8 inches deep, along a deep natural drainage, about 30 yards west of the levee, mountain meadow, 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
  UC1536814  Potamogeton pectinatus Gordon H. True Jr. 1939-7-21 1008 Modoc Jack Swamp near Alturas; Jack Swamp Comment
  SEINET5335406  Potamogeton perfoliatus M. S. Baker 1899-8-24 s.n. Modoc in Pit River at Lookout Comment
  UC1100033  Potamogeton pusillus var. pusillus Herbert L. Mason, Verne Grant 1947-7-11 13382 Modoc 1 mi e of Likely (on road from Likely to Jess Valley) Comment
  CAS-BOT-BC242274  Potamogeton richardsonii Malcom A. Nobs; Stanley Galen [S. Galen] Smith 1949-7-22 1068 Modoc South Fork of Pit River, Likely. Comment
  UCD149956  Potamogeton zosteriformis Harry George 1967-6-15 s.n. Modoc Egg Lake. Comment
  CHSC110889  Potentilla biennis Lowell Ahart; John Dittes 2012-7-10 18307 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
  CHSC114020  Potentilla biennis B. Castro; L. P. Janeway 2014-6-3 2005 Modoc Great Basin. Within the generally bare drawdown zone of Fee Reservoir. 1590 Comment
  UC545662  Potentilla biennis John Thomas Howell 1934-7-2 12355 A Modoc Nigger Ben Spring , Nigger Ben Spring (se end of Clear Lake) Comment
  CAS-BOT-BC214743  Potentilla breweri Leland S. Smith 1924-6-9 1389 Modoc Flat along edge of Lavas, Egg Lake. Comment
  JEPS47227 Image available Potentilla breweri Frances D. Payne 1931-6-29 286 A Modoc s Mosquito Lake (e slope of Mt. Warren); Warner Mts., e slope of Mt. Warren 2133 Comment
  JEPS44193  Potentilla fruticosa L. S. Smith 1918-8-27 1051 Modoc n slope Milk Creek 2438 Comment
  UC1191495  Potentilla gracilis var. fastigiata Verne Grant, Irving Schneider 1947-7-19 8073 Modoc Williams Ranch: along Southern Pacific right-of-way near East Canal, in Pit Valley south Alturas. Comment
  UC545656  Potentilla gracilis var. fastigiata John Thomas Howell 1934-6-12 12029 Modoc Plum Valley Warner Mts., Plum Valley Comment
  JEPS44161  Potentilla gracilis var. fastigiata L. S. Smith 1918-6-14 937 Modoc Willow Creek and Lassen Creek Warner Mts., Willow Creek and Lassen Creek 1828 Comment
  UC114480  Potentilla gracilis var. flabelliformis Mrs. R. M. Austin June 1894 83 Modoc Davis Creek Comment
  UC73025  Potentilla gracilis var. flabelliformis Milo S. Baker Aug 1898 513 Modoc Forestdale Comment
  POM33919  Potentilla gracilis var. flabelliformis R. M. Austin 1890-07 523 Modoc Goose Lake. Comment
  RSA14932  Potentilla newberryi J. T. Howell 1934-7-2 12356 Modoc Nigger Ben Spring, SE end of Clear Lake. Comment
  UC545842  Potentilla newberryi L. D. Whitney 1935-7-29 3595 Modoc near w end Clear Lake; near w end of Clear Lake Comment
  UCD113817  Potentilla newberryi Verne Grant; Irving Schneider 1947-8-27 8313 Modoc Southwest end of Clear Lake. Comment
  HSC14304  Prunella vulgaris subsp. lanceolata M. T. Milligan 1965-6-26 337 Modoc N end Jess Valley. 1616 Comment
  RSA488044  Prunus andersonii Bruce Bartholomew, B. Anderson 1988-5-13 4140 Modoc N side of Dorris Reservoir, ca. 4 km E of Alturas along Parker Creek Road. 1340 Comment
  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-BC214817  Prunus subcordata Roxana Stinchfield Ferris; L. Lorraine 1941-8-14 10621 Modoc Summit of Fandango Pass, Modoc National Forest 1889 Comment
  OBI10041  Prunus subcordata H. E. McMinn 1931-5-23 2480 Modoc Warner Mts. Road from Alturas to Cedarville on W slope of Mt Comment
  RSA210821  Prunus subcordata Robert F. Thorne, C. W. Tilforth 1969-9-4 39053 Modoc N Fork of Pit River. 6.8 miles N of parker Creek on Hwy 395. Comment
  UC176217  Prunus subcordata Mrs. M. H. Manning Aug. 1914 Modoc Near Tule or Rhett Lake (Lava Beds National Monument); Lava Beds National Monument Comment
  CAS-BOT-BC214811  Prunus subcordata R. M. Austin 1884-6-1 s.n. Modoc Modoc County. Comment
  CAS-BOT-BC214812  Prunus subcordata R. M. Austin 1898-6-1 2343 Modoc Modoc County. Comment
  CAS-BOT-BC225003  Prunus virginiana var. demissa Leland S. Smith 1917-7-10 94 Modoc Granger Mill Camp. 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
  HSC65595  Prunus virginiana var. demissa Thomas Wood 1979-8-9 229 Modoc Dirt Road along Bidwell Creek, 2.8 mi. NW of junction with Co. Hwy. 2 N of Fort Bidwell 1509 Comment
  RSA451461  Prunus virginiana var. demissa Christopher Davidson 1973-5-26 2135 Modoc ca. 4 miles W of Canby on Hwy 299. 1341 Comment
  SBBG30529  Prunus virginiana var. demissa D. Myrick 1968-6-20 1974 Modoc E slope of Cedar Pass, Hwy 299, 20 mi E of Alturas 1828 Comment
  UC467817  Prunus virginiana var. demissa W. P. Taylor and H. C. Bryant 1910-8-7 Modoc Warner Mountains, Dry Creek Dry Creek; Warner Mountains, Dry Creek 1447 Comment
  UC71952  Prunus virginiana var. demissa Milo S. Baker 1893-1 Modoc Forestdale Comment
  SEINET7452163  Prunus virginiana var. demissa J. H. Robertson 1974-8-27 NS 67 -74 Modoc Between Adin and Eagle Lake, Highway 139, 1 mile North of Willow Creek 1532 Comment
  UCD91509  Pseudoroegneria spicata J. C. Hayes 1935-6-25 s.n. Modoc Alturas. Comment
  CAS-BOT-BC252501  Pseudoroegneria spicata subsp. spicata Leland S. Smith 1924-6-15 1403 Modoc Lavas W of Mud Lake. 1371 Comment
  CAS-BOT-BC252508  Pseudoroegneria spicata subsp. spicata John Thomas Howell 1934-6-30 12278 Modoc Duncan Horse Camp. 1355 Comment
  UC593545  Pseudoroegneria spicata subsp. spicata E. B. Babcock, G. L. Stebbins Jr. 1936-6-9 1827 Modoc about 3 mi w of Cedarville (in the Warner Mountains, Cedar Creek Canyon); Warner Mountains, Cedar Creek Canyon 1524 Comment
  UC711892  Pseudoroegneria spicata subsp. spicata Roxana S. Ferris and Laura Lorraine 1941-8-12 10510 Modoc between Hackamore and Canby (Modoc National Forest); Modoc National Forest Comment
  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-BC95227  Pseudostellaria jamesiana John Thomas Howell 1934-6-13 12052 Modoc Fandango Pass, Warner Mts. 1828 Comment
  HSC80708  Pseudostellaria jamesiana G. M. Riegel 1979-7-27 604 Modoc S Warner Mtns. 1670 Comment
  UC189584  Pseudostellaria jamesiana Milo S. Baker 1893-1 Modoc Forestdale Comment
  CAS-BOT-BC248379  Psilocarphus brevissimus var. brevissimus Louis C. Wheeler 1935-8-25 3920 Modoc Rim Rock Valley, Devil's Garden 1524 Comment
  CHSC118067  Psilocarphus brevissimus var. brevissimus L. P. Janeway 2017-5-16 11977 Modoc Modoc Plateau. Devils Garden area; along Road 47N07 1.8 road-km south of Road 181/73/47N09. 1573 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
  HSC80874  Pteridium aquilinum var. pubescens G. M. Riegel 1980-7-31 928 Modoc S. Warner Mtns. 1829 Comment
  CAS-BOT-BC95680  Pterospora andromedea Francis Dorris Payne 1935-7-19 799 Modoc Dry Creek. Comment
  UC1608978  Pteryxia terebinthina var. californica B. Bartholomew 1993-6-12 6583 Modoc Road to Day Rock from Little Hot Spring Valley 381 Comment
  UCD92335  Puccinellia Beecher Crampton 1954-7-6 2083 -C Modoc Along U. S. Hwy. 395. 4 miles north of Likely. Comment
  UCD91529  Puccinellia distans Beecher Crampton 1954-7-8 2192 Modoc Modoc County, 3 miles west of Alturas, along US highway 299. Comment
  JEPS120886  Puccinellia lemmonii Lowell Ahart, John Dittes, Todd Sloat 2013-6-8 18763 Modoc About 300 yards NE of Parking Area, NE of the old barn, Ash Creek Wildlife Area, about 3.9 air miles W of Adin, about 7.7 air miles NE of Bieber. Big Valley. Comment
  RSA323603  Puccinellia lemmonii A. Tiehm, Jan Nachlinger, Gary Schoolcraft 1984-6-24 8799 Modoc Surprise Valley, east side of Middle Alkali Lake, east of Cedarville. 1357 Comment
  UCD91882  Puccinellia lemmonii Beecher Crampton 1954-7-6 2084 Modoc Modoc County, 4 miles north of Likely, flat along US highway 395. Comment
  RSA534594  Puccinellia nuttalliana Bruce Bartholomew, B. Anderson 1990-7-20 5448 Modoc Margin of Goose Lake at S end of the causeway to McGinty Point. 1440 Comment
  UCD32738  Puccinellia nuttalliana Beecher Crampton 1954-7-8 2191 Modoc Modoc County, 3 miles west of Alturas, along US highway 299. Comment
  UCD93374  Puccinellia nuttalliana Beecher Crampton 1954-7-8 2197 Modoc Modoc County, 3 miles west of Alturas, along US highway 299. Comment
  UCD93435  Puccinellia nuttalliana R. Tofsrud 1942-7-1 254 Modoc south end of Goose Lake. Comment
  SEINET3157320  Purshia tridentata E. K. Balls 1950-5-21 14822 Modoc S Fork Public Camp, S Fork Pit River 1478 Comment
  CAS-BOT-BC218235  Purshia tridentata var. tridentata F. Angwin 1946-4-25 Modoc Adin. 1371 Comment
  UC71558  Purshia tridentata var. tridentata Mrs. M. H. Manning 1902-9-15 3 Modoc near Fort Bidwell (ne Modoc County) Comment
  UC12420  Purshia tridentata var. tridentata Milo S. Baker 1893-6 Modoc hillsides and low land Comment
  RSA0081566  Pyrola minor Bruce Bartholomew, B. Anderson, Bartholomew 1990-7-20 5511 Modoc Tamarack Flat, E side of Warner Mts. 2150 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
  CHSC114014  Pyrrocoma carthamoides var. cusickii L. P. Janeway 2014-7-7 11441 Modoc Warner Mountains. East side of crest of Warner Mountains 2.3 air-km east of Cedar Pass; along Road 43N07 1.4 road-km east of Stough Reservoir. 2000 Comment
  JEPS5940  Pyrrocoma carthamoides var. cusickii Frances D. Payne 1932-7-22 730 Modoc s and e of Alturas; Warner Mountains, Parker Creek 1584 Comment
  CAS-BOT-BC180126  Quercus garryana var. garryana Bruce Bartholomew; Barrett Anderson 1988-6-23 4261 Modoc 1.8 km WSW of Day on County Road 94. 1170 Comment
  RSA504608  Quercus garryana var. garryana Bruce Bartholomew, B. Anderson 1988-6-23 4261 Modoc 1.8 km WSW of Day on County Road 94. 1170 Comment
  SEINET5644361  Quercus kelloggii Christopher Davidson 1975-6-4 2626 Modoc 0.7 mi E of Upper Rush Cr. Camp on dirt rd off Hwy 299 ca. 7 mi N of Adin. Left side of rd, several meters below a roadside seepage area. 5400 ft. elevation.; 0 1645 Comment
  CAS-BOT-BC50362  Raillardella argentea Elmer Ivan Applegate 1932-8-1 8013 Modoc High rocky crest of Warner Mts. S of Warren Peak. Comment
  JEPS37257  Raillardella argentea W. L. Jepson 1918-8-13 7964 Modoc Eagle Peak Warner Mts. 3017 Comment
  CAS-BOT-BC217300  Ranunculus alismifolius Bruce Bartholomew 1992-5-15 6303 Modoc Tamarack Flat, E side of the Warner Mountains. 2160 Comment
  CHSC118277  Ranunculus alismifolius var. alismifolius L. P. Janeway 2016-5-18 12072 Modoc Modoc Plateau. Devils Garden area; Island Meadow, along Road 47N08 2.1 road-km north of Road 73/181/47N09. 1606 Comment
  POM269535  Ranunculus alismifolius var. hartwegii Louis C. Wheeler 1935-8-4 3774 Modoc Warner Mountains: Dismal Swamp, Twenty Mile Creek. 2226 Comment
  CAS-BOT-BC217264  Ranunculus aquatilis var. aquatilis Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-15 16519 Modoc On mesa 11 mi. W of Canby, along Calif. St. Highway 139. Comment
  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-BC379162  Ranunculus aquatilis var. aquatilis Alice Eastwood 1928-7-7 15268 Modoc Howard Lake, Forest Reserve Comment
  CAS-BOT-BC379167  Ranunculus aquatilis var. aquatilis Clare R. Wheeler; Gladys L. Smith 1979-5-27 1100 Modoc Red Mountain, BLM access road, 10 mi E of Hwy 101, N of Leggett 91 Comment
  JEPS60659  Ranunculus aquatilis var. capillaceus Frances D. Payne 1929-7-26 124 Modoc 2 mi sw Warren Mt. (se Modoc Co., pond outlet); Pine Creek Basin 2133 Comment
  JEPS17726  Ranunculus aquatilis var. capillaceus Rimo Bacigalupi with G. T. Robbins 1955-7-20 5387 Modoc about 4 mi s Cedarville (nr. roadside, on w edge of valley); Surprise Valley 1463 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
  NY493019  Ranunculus aquatilis var. diffusus H. L. Mason 1947-7-11 13370 Modoc Irrigation ditch by Jones' Lane, off Highway 395, south of Alturas Comment
  RSA125296  Ranunculus aquatilis var. hispidulus Peter H. Raven 1958-6-18 13324 Modoc Small lake at eastern outskirts of lookout Post Office. Comment
  CDA24313  Ranunculus californicus T. C. Fuller 1963-6-11 10649 Modoc Little Meadow Campground, South Fork of the Pit River, 7.9 miles east of Likely. 0 Comment
  RSA0114935  Ranunculus cymbalaria Lowell Ahart, John Dittes 2013-7-24 18938 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. 1269 Comment
  UC480943  Ranunculus cymbalaria var. saximontanus Mrs. R. M. Austin July 1894 258 Modoc swamp near Goose Lake Comment
  CAS-BOT-BC217239  Ranunculus flabellaris Alice Eastwood; John Thomas Howell 1940-6-12 8080 Modoc Jess Valley. Comment
  POM99180  Ranunculus flammula var. ovalis R. M. Austin 1895-07 s.n. Modoc Goose Lake Valley. Comment
  CHSC13476  Ranunculus glaberrimus C. S. Armor 1974-4-9 89 Modoc 100 yds. se of the north water storage tank in Alturas. 1310 Comment
  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
  POM100512  Ranunculus glaberrimus var. ellipticus R. M. Austin 1895-07 s.n. Modoc Goose Lake Valley. 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
  CHSC1486  Ranunculus macounii J. Wakeman 1963-5-11 Modoc Big Valley, along Hiway 299. 1219 Comment
  CAS-BOT-BC217183  Ranunculus occidentalis Arnold Tiehm 1984-6-30 8832 Modoc N edge of Annie on W side of Bidwell Mt., NE of Fort Bidwell. 1530 Comment
  CAS-BOT-BC217218  Ranunculus occidentalis var. dissectus Annie Montague Alexander; L. Kellogg 1946-6-7 4673 Modoc 0.5 mi. E of Cedarville. 1453 Comment
  CHSC85193  Ranunculus occidentalis var. occidentalis John Dittes; Josephine Guardino 1991-6-1 352 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-BC217212  Ranunculus occidentalis var. ultramontanus John Thomas Howell 1934-6-11 11965 Modoc Parker Creek, Warner Mts. 1584 Comment
  HSC26169  Ranunculus occidentalis var. ultramontanus D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19432 Modoc Near Hager Reservoir Comment
  UC9470  Ranunculus orthorhynchus var. orthorhynchus Milo S. Baker 1893-6-27 Modoc Comment
  RSA8216  Ranunculus oxynotus Elmer I. Applegate 1932-8-3 8133 Modoc E slope of Eagle Peak, near summit, Warner Mts. 2744 Comment
  POM269466  Ranunculus oxynotus Elmer I. Applegate 1932-8-1 8047 Modoc Arid rocky E slope of Warren Peak, Warner Mts. Comment
  UCR49699  Ranunculus sceleratus L. C. Wheeler 1935-8-3 3762 Modoc Warner Mtns, Rock Lake, Pine Creek 1921 Comment
  JEPS55164  Ranunculus sceleratus Mary H. Manning 1903-5-8 126 Modoc Comment
  POM100060  Ranunculus sceleratus var. multifidus R. M. Austin 1895-07 s.n. Modoc Goose Lake Valley. Comment
  CAS-BOT-BC217156  Ranunculus testiculatus Bruce Bartholomew; Barrett Anderson 1988-5-14 4205 Modoc Hager Basin Reservoir between Crowder Flats and Big Sage Reservoir on USFS road 48N08. 1530 Comment
  CDA3491  Ranunculus testiculatus Loring White 1971-5-26 Modoc R. Bunyard ranch, 1.5 miles northeast of Cedarville. 0 Comment
  SJSU9371  Ranunculus testiculatus Wayne Savage 1979-7-3 1316 Modoc Triangle, Antelope Plains Unit, Devils Garden District 1493 Comment
  SJSU9663  Ranunculus testiculatus Wayne Savage 1979-7-9 1506 Modoc by ranch house, Round Valley, Triangle, Devils Garden District, Modoc National Forest 1493 Comment
  JEPS117474  Rhaponticum repens Lowell Ahart, John Dittes 2010-8-31 17093 Modoc Just south of the Parking Area west of the old barn, on the west side of Elkins Lane, Ash Creek State Wildlife Area, 320 feet north of Lassen County Line, about 4.4 miles (air) west of Adin, about 7.2 miles (air) northeast of Bieber, Big Valley 1266 Comment
  CAS-BOT-BC95679  Rhododendron columbianum Bruce Bartholomew 1995-7-31 7124 Modoc 6.3 km from Forest Service road 46N30 on Forest Service road 45N34, W side of Warner Mountains. 1920 Comment
  RSA520433  Ribes aureum Bruce Bartholomew, M. Bourell 1990-4-26 5163 Modoc Vicinity of Ostrom Point, N side of Pit River 3.2 km E of W end of Stone Coal Rd. 1280 Comment
  CAS-BOT-BC225873  Ribes cereum Isabelo T. Kelly 1930-1-1 1 Modoc Near Cedarville, Surprise Valley. Comment
  CAS-BOT-BC225875  Ribes cereum Harry Dwight Dillon Ripley 1944-6-2 6036 Modoc Pine Creek, Warner Mts. 1584 Comment
  CAS-BOT-BC225884  Ribes cereum Bruce Bartholomew; Barrett Anderson 1988-5-12 4107 Modoc S side of Egg Lake. 1300 Comment
  JEPS43511  Ribes cereum Frances D. Payne 1931-6-10 142 Modoc s and e Alturas (Parker Creek); Warner Mountains 1584 Comment
  JEPS49422  Ribes cereum W. L. Jepson 1918-8-7 7876 Modoc at very summit Mt. Bidwell 2507 Comment
  RSA271927  Ribes cereum Christopher Davidson 2620 Modoc 2.5 mi W of Cedarville on Hwy 299. 1677 Comment
  SBBG2753  Ribes cereum H. and M. Dearing 1939-6-8 3596 Modoc Pine Cyn, Warner Mtns 1524 Comment
  UC1035991  Ribes cereum Helen K. Sharsmith 1955-6-25 4504 Modoc on trail to Mill Creek Falls and Clear Lake; Warner Mountains, Modoc National Forest 1752 Comment
  UC1281035  Ribes cereum H. E. McMinn 1931-5-23 2462 Modoc Cedarville Road Warner Mts. 1889 Comment
  UC79634  Ribes cereum Mrs. R. M. Austin June, 1894 217 Modoc hills near Willow Creek Comment
  UCR27242  Ribes cereum Susanne M. James 1980-5-15 515- 01 Modoc Modoc National Forest. 0.5 mi east of Loveness Road, and 6.5 mi west of Canby. Comment
  RSA97474  Ribes cereum Beecher Crampton 1954-7-8 2185 Modoc Canyon of the South fork of the Pit River, 12 miles East of Likely. Comment
  CAS-BOT-BC225897  Ribes inerme Elmer Ivan Applegate 1932-8-2 8093 Modoc Mill Creek Meadow, Warner Mts. Comment
  CAS-BOT-BC225898  Ribes inerme var. inerme Roxana Stinchfield Ferris; R. Duthie 1919-6-13 55 Modoc Parker Creek near Modoc National Forest Boundary. Comment
  CAS-BOT-BC225906  Ribes montigenum Annie Montague Alexander; L. Kellogg 1946-6-25 4822 Modoc Dismal Swamp, N end of Warner Mts. 2255 Comment
  HSC80728  Ribes montigenum G. M. Riegel 1979-7-30 621 Modoc S Warner Mtns. 1829 Comment
  NY455304  Ribes montigenum A. M. Alexander 1946-6-25 4822 Modoc Dismal Swamp, north end of Warner Mountains 2255.5 Comment
  SBBG2783  Ribes montigenum H. and M. Dearing 1939-6-8 3605 Modoc Lily Lake, Warner Mtns 2133 Comment
  UC748053  Ribes montigenum Annie M. Alexander and Louise Kellogg 1946-6-25 4822 Modoc Dismal Swamp Warner Mountains 2255 Comment
  CAS-BOT-BC225921  Ribes velutinum John Thomas Howell 1934-6-12 12011 Modoc Between Davis Creek and Plum Valley. Comment
  CAS-BOT-BC225922  Ribes velutinum B. Clear 1945-8-8 s.n. Modoc Fire Tower, Newell. Comment
  CAS-BOT-BC225927  Ribes velutinum Alice Eastwood; John Thomas Howell 1940-6-12 8061 Modoc Between Likely and Jess Valley. Comment
  UCD102520  Ribes velutinum Beecher Crampton; Carl Rimbey 1954-7-8 2180 Modoc Above Jess Valley, Warner Mountains, 15 miles east of Likely. Comment
  CAS-BOT-BC173960  Ribes viscosissimum G. Schoolcraft 1988-7-12 1824 Modoc Warner Mtns. along Park Creek Rd. 1 mi. w. of Pepperdine Camp 1950 Comment
  CAS-BOT-BC225945  Ribes viscosissimum A. D. Borden 1911-6-15 Modoc Davis Creek. Comment
  NY455559  Ribes viscosissimum B. M. Bartholomew 1989-7-14 4978 Modoc Vicinity of Upper Rush Creek Camp Ground 1580 Comment
  CAS-BOT-BC50326  Rigiopappus leptocladus Roxana Stinchfield Ferris; R. Duthie 1919-6-14 32 Modoc Above Parker Creek. Comment
  CDA43017  Rorippa austriaca L. Ahart, John Dittes 2008-8-25 15274 Modoc On the banks of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout. Comment
  CDA20130  Rorippa austriaca C. Pirosko 2002-6-14 PDR P 120230 Modoc Modoc Plateau; Jones Lake. 0 Comment
  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-BC58410  Rorippa columbiae Leland S. Smith 1920-7-14 1189 Modoc Marlin. 1371 Comment
  CAS-BOT-BC58421  Rorippa curvisiliqua Robert Folger Thorne; C. W. Tilforth 1969-9-5 39170 Modoc Margins of Clear Lake, Warner Mts. 1767 Comment
  RSA322273  Rorippa curvisiliqua R. C. Rollins, Kathryn W. Rollins, David Gates, JoRita Gates, Aileen G. Roads 1983-7-6 83229 Modoc Above Widow Valley, ca. 3 miles E of day. Comment
  UC1191527  Rorippa curvisiliqua Malcolm A. Nobs, S. Galen Smith 1949-7-20 1054 Modoc four mi w Adin; w of Adin Comment
  JEPS127165  Rorippa curvisiliqua var. orientalis Lowell Ahart, John Dittes 2016-7-14 21163 Modoc South of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. Comment
  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
  HSC19625  Rosa gymnocarpa M. G. Burgoyne 1962-4-17 1002 Modoc 12 mi. N of Cedarville on valley rd. 1372 Comment
  UC12886  Rosa gymnocarpa Mrs. R. M. Austin and Bruce July 1898 2347 Modoc Ross Canyon Comment
  JEPS47234  Rosa woodsii var. ultramontana Frances D. Payne 1932-7-11 689 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  RSA0113966  Rosa woodsii var. ultramontana Lowell A. 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, 2,660 feet east of intersection with County Road 85a, 9.3 miles (air) north-northeast of Lookout. 1277 Comment
  RSA520486  Rosa woodsii var. ultramontana Bruce Bartholomew 1989-7-14 4930 Modoc Along Rush Creek between Lower and upper Rush Creek Campgrounds. 1520 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
  UC467796  Rosa woodsii var. ultramontana W. P. Taylor and H. C. Bryant 1910-8-7 Modoc Dry Creek Warner Mountains 1447 Comment
  UC1191271  Rumex maritimus Herbert L. Mason 1947-8-11 13509 Modoc Alturas, junction of North and South Forks of Pit River Pit River Comment
  CDA23184  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-BC211312  Rumex salicifolius Bruce Bartholomew 1990-8-3 5607 Modoc Ash Creek Wildlife Refuge, ca. 2.5 km S of County Road 87 and 7 km W of Adin. 1250 Comment
  CAS-BOT-BC211311  Rumex salicifolius John H. Hatton 1911-6-12 44 Modoc Modoc County. 1493 Comment
  UC1101209  Rumex salicifolius var. lacustris Herbert L. Mason and Verne Grant 1947-7-10 13336 Modoc 2 mi e Alturas; Dorris Reservoir Comment
  UC1101220  Rumex salicifolius var. lacustris Herbert L. Mason 1947-8-15 13556 Modoc e of Goose Lake (on Willow Ranch); Mouth of Crane Creek Comment
  CAS-BOT-BC211317  Rumex triangulivalvis John Thomas Howell 1934-6-15 12189 Modoc Alturas. Comment
  POM260470  Sagina saginoides C. L. Hitchcock 1940-5-27 6708 Modoc 15 miles NE of Alturas. 1677 Comment
  HSC32020  Sagittaria cuneata J. D. Ackerman 1974-7-4 362 Modoc Howards Gulch, 6 mi. NW of Canby, off Hwy. 139 Comment
  UCD150426  Sagittaria cuneata Harry A. George 1967-6-15 s.n. Modoc Egg Lake. Comment
  RSA8225  Sagittaria latifolia Elmer I. Applegate 1929-7-29 6094 Modoc Clear Lake Dam, Clear Lake. Comment
  POM107299  Salix bebbiana R. M. Austin 1895-05 s.n. Modoc Davis Creek Comment
  CAS-BOT-BC225117  Salix boothii Francis Dorris Payne 1932-7-21 729 Modoc marsh S of Mosquito Lake, E side of Mt. Warren (Buck Mt.), Warner Mts., E of Alturas Comment
  CAS-BOT-BC225118  Salix boothii Belknap C. Goldsmith 1910-8-11 19 Modoc Summit of Warner Mts, near Oregon-California line. 2194 Comment
  POM184887  Salix boothii Frances D. Payne 1932-7-21 729 Modoc Marsh S of Mosquito Lake. E side of Mt. Warren (Buck Mt). Warner Mtns. E of Alturas. Comment
  UC492369  Salix boothii Frances D. Payne 1932-7-21 728 a Modoc e Alturas (marsh s of Mosquito Lake); Warner Mts., e side Mt. Warren (Buck Mt.) Comment
  UC492370  Salix boothii Frances D. Payne 1932-7-21 728 a Modoc e Alturas (marsh s of Mosquito Lake); Warner Mts., e side Mt. Warren (Buck Mt.) Comment
  UC492375  Salix boothii Frances D. Payne 1932-6-21 728 c Modoc e Alturas (marsh s of Mosquito Lake); Warner Mts., e side Mt. Warren (Buck Mt.) Comment
  UCR143516  Salix boothii Frances D. Payne 1931-7-7 331 Modoc Warner Mountains, Pine Creek Basin, c. 33 km SE of Alturas 2280 Comment
  CAS-BOT-BC225756  Salix eastwoodiae Francis Dorris Payne 1931-6-25 275 Modoc Pine Creek Basin, Warner Mts., about 33 km SE of Alturas. 2280 Comment
  POM218964  Salix eastwoodiae Frances D. Payne 1931-7-8 177 Modoc Pine Creek Basin. Warner Mtns. About 33 km SE of Alturas. 2280 Comment
  CAS-BOT-BC225769  Salix exigua Belknap C. Goldsmith 1911-5-28 28 Modoc County road, near Goose Lake. 1493 Comment
  JEPS114531  Salix exigua Lowell Ahart, John Dittes 2008-8-25 15310 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
  NY187446  Salix exigua F. D. Payne 1931-6-30 494 Modoc Parker Creek, 20 km east of Alturas. Meadow south of Payne Ranch 1560 Comment
  UC472125  Salix exigua Mrs. M. H. Manning 1903-4-23 78 Modoc near Fort Bidwell; ne Modoc Co. Comment
  UC481950  Salix exigua Mrs. H. P. Bracelin and Miss Frances D. Payne 1931-6-30 488 Modoc 20 km e Alturas (Parker Creek, meadow s of Payne Ranch house) 1560 Comment
  RSA59859  Salix exigua E. K. Balls 1950-5-20 14793 Modoc South Fork Public Camp, South Fork Pit River, Likely to Clear Lake. 1433 Comment
  CAS-BOT-BC197559  Salix lasiandra var. lasiandra Louis Cutter Wheeler 1935-8-3 3772 Modoc Pine Creek, Warner Mts. 1554 Comment
  CAS-BOT-BC197560  Salix lasiandra var. lasiandra Elmer Ivan Applegate 1936-5-22 10350 Modoc Lava Beds National Monument. Shoreline near and W of Stronghold. Comment
  LA208767  Salix lasiolepis Mrs. H. P. Bracelin; 1931-6-29 487 Modoc Halfway between Adin and Canby 1350.0 Comment
  POM218947  Salix lasiolepis H. P. Bracelin 1931-6-29 486 Modoc Halfway between Adin and Canby 1350 Comment
  SBBG57847  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-29 486 Modoc halfway between Adin and Canby 1350 Comment
  CAS-BOT-BC229696  Salix lemmonii Louis Cutter Wheeler 1935-9-11 3971 Modoc Fletcher Creek, Devil's Garden. 1524 Comment
  UC433170  Salix lemmonii Milo S. Baker 1893-6-6 Modoc Big Valley Mts. Comment
  UC481859  Salix lemmonii Frances D. Payne 1931-7-7 334 Modoc ca. 33 km. s.e. Alturas; Warner Mts., Pine Creek Basin 2280 Comment
  POM107155  Salix lemmonii var. macrostachya R. M. Austin 1895-05 s.n. Modoc Davis Creek Comment
  RSA0039538  Salix lucida subsp. lasiandra Lowell A. Ahart, John Dittes 2008-8-25 15303 Modoc On the west bank of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout. 1273 Comment
  CAS-BOT-BC229679  Salix lutea Elmer Ivan Applegate 1932-7-30 7945 Modoc North Fork Pit River about 4 mi. above Alturas. Comment
  SBBG27428  Salix lutea Mrs. H. P. Bracelin, F. D. Payne 1931-6-30 499 Modoc Parker Crk, 20 km E of Alturas S of Payne Ranch 1560 Comment
  SJSU165  Salix lutea Mrs. H. P. Bracelin & F. D. Payne 1931-6-30 499 Modoc Parker Cr, S of Payne Ranch, 20 km E of Alturas 1554 Comment
  CAS-BOT-BC229847  Salix melanopsis H. P. Bracelin; Francis Dorris Payne 1931-6-30 491 Modoc Parker Creek, 20 km E of Alturas. 1560 Comment
  CAS-BOT-BC229848  Salix melanopsis H. P. Bracelin; Francis Dorris Payne 1931-6-30 493 Modoc Parker Creek, 20 km E of Alturas. 1560 Comment
  JEPS14854  Salix melanopsis Frances D. Payne 1931-6-10 140 Modoc Parker Creek Warner Mts., Parker Creek 1584 Comment
  UC5080  Salix melanopsis Mrs. R. M. Austin and Bruce June 1898 2340 Modoc Goose Lake Valley Comment
  NY188138  Salix pseudocordata F. D. Payne 1932-7-21 728 -a Modoc East side of Mt. Warren (Buck Mt.), Warner Mts., east of Alturas Comment
  CAS-BOT-BC229841  Salix scouleriana Francis Dorris Payne 1933-8-1 777 Modoc Pine Creek Basin, Warner Mts., about 50 feet from marsh. 2316 Comment
  CAS-BOT-BC229842  Salix scouleriana F. Angwin 1946-2-2 s.n. Modoc Adin. Comment
  POM362919  Salix scouleriana H. E. McMinn 1931-5-23 2474 Modoc [Unspecified] Comment
  CAS-BOT-BC95558  Salsola tragus Bruce Bartholomew 1989-8-11 5080 Modoc E side of Surprise Valley at Nevada border on State Hwy 299. 1500 Comment
  CHSC112841  Salsola tragus Lowell Ahart; John Dittes 2013-7-25 18969 Modoc Elkins Lane 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
  SEINET12765235  Salvia aethiopis Barbara Ertter 1995-7-1 14459 Modoc Hwy395 south of New Pine Creek on Oregon border, at jct of Country Rd. 44, weedy fields and roadside W of hwy.; 0 1463 Comment
  CAS-BOT-BC179236  Salvia dorrii subsp. dorrii Margaret M. Hanna 1956-6-5 269 , 270 Modoc Cedar Pass Road 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
  CHSC30641  Salvia dorrii var. incana NEH Prouty 1980-6-9 186 Modoc Modoc National Forest, Warner Mt. District. Slope north side of Deep Creek Rd. by boundary of Nat. Forest and private land. Comment
  CAS-BOT-BC95178  Sambucus melanocarpa Belknap C. Goldsmith 1910-7-20 13 Modoc Fandango Creek, W slope of Warner Mts. 1554 Comment
  UC441302  Sambucus mexicana Milo S. Baker Aug 1898 517 Modoc Bower's Springs Comment
  RSA152608  Sanguisorba annua I. L. Wiggins, D. B. Wiggins 1961-6-12 16380 Modoc Near jct of Cedar Pass Rd and California State Hwy 299. 5.5 miles N of Alturas. Comment
  RSA504644  Sanguisorba annua Bruce Bartholomew 1988-6-23 4240 Modoc 2.1 km SSE of Day on the road to State Highway 299. 1020 Comment
  SEINET11911060  Sanguisorba annua M. J. Williams 1984-1 84- 75 -2 Modoc 27.4 mi N of Cedar Pass Road on Hwy 395 1295 Comment
  NY1101598  Sanicula graveolens B. M. Bartholomew 1990-7-20 5532 Modoc 3.4 km northwest of Tamarack Flat, east side of Warner Mountains 2130 Comment
  SEINET11155989  Sanicula graveolens M. J. Williams 1984-6-28 84- 69 -3 Modoc Warner Mountains, N of Cedar Pass, end of Soldier Creek Road. 2073 Comment
  UC1598724  Sanicula graveolens Milo S. Baker 1893-6 Modoc in Modoc County Modoc County 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
  RSA11894  Sarcobatus vermiculatus Elmer I. Applegate 1897-6-1 3035 Modoc Between Canby and Alturas Comment
  JEPS96534  Saxifraga integrifolia Dean Wm. Taylor with Glenn L. Clifton 1992-5-7 12521 Modoc 0.5 mile E of Duncan Reservoir, on hillside on western rim of Black Canyon 1524 Comment
  UC402445  Saxifraga oregana Franklin P. Nutting Modoc Forestdale Comment
  HSC48002  Scirpus congdonii D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19462 Modoc Upper Rush Creek Campground about 8 mi. N of Adin on Hwy. 299 Comment
  UC1100886  Scirpus nevadensis Herbert L. Mason 1947-8-15 13543 Modoc e side Goose Lake (mouth Crane Creek, Willow Ranch); mouth Crane Creek, e side Goose Lake, Willow Ranch Comment
  UC1100801  Scirpus pungens Verne Grant, Irving Schneider 1947-7-18 8056 Modoc s Alturas (s loop of eastside rd in Pit River Valley); Pit River Valley Comment
  UC1100808  Scirpus pungens Herbert L. Mason 1947-8-15 13547 Modoc mouth Crane Creek (on Willow Ranch, e side of Goose Lake); Goose Lake Comment
Read comments
Aug 18 2012
  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
  UCD92474  Scolochloa festucacea D. Marcum 1997-10-14 s.n. Modoc southern part of county, near border of Lassen County, near town of Adin. 1300 Comment
  HSC21135  Scrophularia desertorum M. T. Milligan 1965-6-30 393 Modoc Slopes and ridges E of Jess Valley. 1768 Comment
  SEINET6673049  Scrophularia desertorum N. H. Holmgren, P. K. Holmgren 1978-6-10 8900 Modoc In canyon 13.4 km (8.3 miles) east of Likely, along road to Jess Valley. 1520 Comment
  UC1012081  Scrophularia desertorum Francis W. Pennell 1940-6-8 25736 Modoc 9-10 mi w Alturas (Rte 299) 1371 Comment
  UC1192000  Scrophularia lanceolata Verne Grant and Irving Schneider 1947-7-20 8105 Modoc downstream from Alturas (Norht Fork of Pit river) Comment
  CAS-BOT-BC179224  Scutellaria nana B. Bartholomew 1991-8-5 6030 Modoc Summit Trail between Pepperdine and Squaw Peak, W side of Warner Mts. 2190 Comment
  CAS-BOT-BC179230  Scutellaria nana Lindsay Stuart Smith 1924-5-31 1358 Modoc Egg Lake Ranch and S. Comment
  UCD92572  Secale cereale Leo Whitney 1935-7-2 3405 Modoc Badger Well. Comment
  CAS-BOT-BC95607  Sedum lanceolatum Bruce Bartholomew 1990-8-4 5649 Modoc Ridge N of Irons Lake, along Owl Creek Trail, E side of Warner Mts. 2470 Comment
  CAS-BOT-BC95612  Sedum lanceolatum Louis Cutter Wheeler 1935-8-11 3844 Modoc Pine Creek, Warner Mts. 2011 Comment
  JEPS48026  Sedum lanceolatum Frances D. Payne 1931-6-29 284 Modoc trail from Granger Pass to Mt. Warren (Warner Mountains); , trail fr Granger Pass to Mt. Warren 1981 Comment
  CHSC113986  Sedum stenopetalum L. P. Janeway 2014-7-7 11450 Modoc Warner Mountains. North-facing slope along Road 46N25 along Mill Creek, 1.0 km from Bidwell Creek; 5.2 air-km northwest of Fort Bidwell. 1554 Comment
  UCSC000333  Sedum stenopetalum F. H. Frost 1925-7-13 75 Modoc Summit, Cedar Canyon - Warner Mountians Comment
  POM204156  Sedum stenopetalum subsp. stenopetalum J. T. Howell 1934-6-11 11980 Modoc Parker Creek, Warner Mts. 1585 Comment
  HSC81125  Senecio aronicoides G. M. Riegel 1980-6-25 769 Modoc South Warner Mtns. 2100 Comment
  UC36026  Senecio aronicoides Mrs. R. M. Austin June 1898 2368 Modoc Davis Creek Comment
  UC75814  Senecio aronicoides Milo S. Baker 1893-1 Modoc Forestdale 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
  CHSC70717  Senecio hydrophiloides A. Sanger 1997-6-11 2511 Modoc Meadow on east side of road 44N69. 1981 Comment
  JEPS89346  Senecio hydrophilus Dean Wm. Taylor with Glenn L. Clifton 1989-8-6 10502 Modoc w. shore Lower Lake (Surprise Valley); , Lower Lake 1363 Comment
  CAS-BOT-BC50259  Senecio integerrimus var. exaltatus Isabelo T. Kelly 1930-1-1 66 Modoc Modoc County. Comment
  CAS-BOT-BC50297  Senecio integerrimus var. exaltatus Bruce Bartholomew; Barrett Anderson 1988-5-12 4115 Modoc S side of Egg Lake. 1300 Comment
  JEPS29207  Senecio integerrimus var. exaltatus Lauramay T. Dempster 1961-6-18 1688 Modoc peak just s Cedar Pass Comment
  CDA8649  Senecio integerrimus var. exaltatus T. C. Fuller 1963-6-11 10651 Modoc Little Meadow Campground, South Fork of the Pit River, 7.9 miles east of Likely. 0 Comment
  RSA0124948  Senecio integerrimus var. exaltatus Clare B. Hardham 1961-6-18 7563 Modoc Warner Mountains. Hills 3 miles southeast of Cedar Pass. 1829 Comment
  CHSC118817  Senecio serra var. serra L. P. Janeway 2015-8-9 11827 Modoc Warner Mountains. Near head of a northwest-facing bowl of a drainage of Coyote Creek where Road 39N06A crosses it; 0.8 road-km east of Road 39N06. 2088 Comment
  RSA0013302  Senecio serra var. serra L. C. Wheeler 1935-8-4 3782 Modoc Dry Lake, Pine Creek, Warner Mts. 2104 Comment
  CAS-BOT-BC225040  Sibbaldia procumbens Bruce Bartholomew 1992-8-9 6383 Modoc Creek below Patterson Lake on Squaw Peak Trail to Owl Creek Trail, E side of Warner Mountains. 2650 Comment
  UC519036  Sibbaldia procumbens Elmer I. Applegate 1923-8-1 8023 Modoc just s Warren Peak (high summit of Warner Mountains); Warner Mountains Comment
  CAS-BOT-BC179064  Sidalcea oregana subsp. oregana Elmer Ivan Applegate 1932-8-4 8150 Modoc N edge of Jess Valley. Comment
  CAS-BOT-BC179079  Sidalcea oregana subsp. oregana Belknap C. Goldsmith 1912-8-23 68 Modoc Near Alturas. 1341 Comment
  CAS-BOT-BC179090  Sidalcea oregana subsp. oregana Robert J. Weatherby 1955-7-8 1625 Modoc 6 mi. N of Ft. Bidwell. 1737 Comment
  POM126814  Sidalcea oregana subsp. spicata M. French Gilman 534 Modoc No location given 1524 Comment
  CAS-BOT-BC95251  Silene douglasii var. douglasii Annie Montague Alexander; L. Kellogg 1946-8-9 5128 Modoc Patterson Lake Trail, Warner Mts. Comment
  CAS-BOT-BC95269  Silene menziesii Bruce Bartholomew 1989-7-14 4975 Modoc Vicinity of Upper Rush Creek Camp Ground. 1580 Comment
  CAS-BOT-BC95277  Silene oregana Leland S. Smith 1918-7-10 982 Modoc Mill Creek. 2133 Comment
  CDA13477  Sisymbrium altissimum G. F. Hrusa, T. D. Wilfred 1996-7-21 13324 Modoc Modoc Plateau; Adjacent to Pit River at Modoc Co. Rd. 90 bridge. E base of Splawn Mtn. N end of Big Valley. Comment
  SEINET3154297  Smilacina sessilifolia Mrs. M. H. Manning 1903-1 114 Modoc Ft. Bidwell Comment
  JEPS62142  Smilacina stellata Leland S. Smith 1918-5-31 931 Modoc Buck Creek Ranger Station Modoc National Forest, Fandango Valley 1676 Comment
  CAS-BOT-BC245438  Solanum dulcamara Bruce Bartholomew 1990-8-3 5612 Modoc 8 km E of Likely on road to Jess Valley. Along S Fork of the Pit River. 1420 Comment
  CHSC106204  Solanum dulcamara Lowell Ahart; John Dittes 2010-8-31 17095 Modoc On the south sdie of Ash Creek, about 10 yards west of the bridge, on the west side of Elkins Lane, Ash Creek State Wildlife Area, 4215 feet north of Lassen County Line, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  NY821107  Solanum parishii B. M. Bartholomew 1988-6-23 4260 Modoc 1.8 km WSW of Day on County Road 94. Fall River Mills 15' Quad. 1170 Comment
  CHSC117255  Solanum physalifolium var. nitidibaccatum Lowell Ahart; John Dittes 2016-7-14 21199 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
  RSA2865  Solanum triflorum Carl B. Wolf 1931-9-5 2399 Modoc Roadside, on grade from Lake City-Fort Bidwell Road - to Davis Creek. (3 miles above east base) Warner Mtns. 1677 Comment
  UCD126815  Solanum triflorum Verne Grant; Irving Schneider 1947-8-27 8319 Modoc Southwest end of Clear Lake. Comment
  SEINET3167750  Solidago elongata J. C. Semple, B. A. Suripto 1990-8-11 9295 Modoc NE of Altura, flood plain of N. Fork Railroad by US-395, approx. 2 km S of Joseph Creek Rd. Comment
  UC1192250  Solidago spectabilis Herbert L. Mason 1947-8-9 13459 Modoc Ingalls Swanp, north of Big Sage Reservoir, Northwest of Alturas Comment
  UC1192251  Solidago spectabilis Herbert L. Mason 1947-8-11 13497 Modoc On Highway 81, west margin of Lower Lake, near boundary, between Lassen and Modoc counties. Comment
  CAS-BOT-BC54282  Solidago velutina subsp. californica Elmer Ivan Applegate 1932-8-4 8151 Modoc N side of Jess Valley, Warner Mountains Comment
  UC88122  Solidago velutina subsp. californica Mrs. R. M. Austin 1894-8-1 92 Modoc Lassen Creek Comment
  CAS-BOT-BC158918  Sorbus scopulina A. D. Borden 1911-8-1 s.n. Modoc Along high run on south slope of south fork of Parker Creek, Modoc Forest. Comment
  RSA577891  Sparganium angustifolium L. C. Wheeler 1935-8-3 3761 Modoc Warner Mountains: Pine Creek. 1738 Comment
  RSA210797  Sparganium angustifolium subsp. emersum Robert F. Thorne, James Henrickson, C. W. Tilforth 1969-9-4 39096 Modoc N Fork of Pit River 3.4 mi N of Alturas where crossed by Highway 395. 1341 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
  CHSC116089  Sparganium emersum Lowell Ahart; John Dittes 2015-7-15 20347 Modoc On the east side of Elkins Lane, about 100 yards northeast of the Parking Area, northwest of the old barn, Ash Creek State Wildlife Area, about 3.9 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  UC1099922  Sparganium emersum var. emersum Herbert L. Mason and Verne Grant 1947-7-12 13433 Modoc n of Likely (Corporation Ranch Headquarters) Comment
  HSC80788  Sphenosciadium capitellatum G. M. Riegel 1980-8-13 1047 Modoc South Warner Mountains 2100 Comment
  UC71760  Sphenosciadium capitellatum Mrs. M. H. Manning August, 1903 199 Modoc Mill Canyon; north-eastern Modoc County Comment
  JEPS114852  Spirodela polyrhiza Lowell Ahart, John Dittes 2008-6-21 15007 Modoc On shallow water 6-8 inches deep, along a deep natural drainage, about 30 yards west of the levee, mountain meadow, in Big Valley about 3.6 miles (air) north of the Headquarters at Ash Creek State Wildlife Area, about 6.4 miles (air) northeast of Bieber 1269 Comment
  UC1101245  Spirodela polyrhiza Verne Grant and Irving Schneider 1947-7-19 8066 Modoc s of Alturas (Corporation ranch, irrigation ditch s of s loop road) Comment
  UC635183  Stachys palustris subsp. pilosa F. H. Frost 1925-7-24 104 Modoc Jess Valley Warner Mts. Comment
  CAS-BOT-BC179213  Stachys pilosa B. Bartholomew 1989-8-13 5144 Modoc Hunter Spring, just W of Knox Flat. 1800 Comment
  CAS-BOT-BC95300  Stellaria obtusa Francis Dorris Payne 1932-7-14 682 Modoc Parker Creek Canyon. 1706 Comment
  CAS-BOT-BC54253  Stenotus acaulis Leland S. Smith 1919-6-5 1119 Modoc Deep Creek, near station. 1584 Comment
  CAS-BOT-BC54257  Stenotus acaulis Annie Montague Alexander; L. Kellogg 1946-8-9 5138 Modoc Patterson Lake Trail, Warner Mts. Comment
  JEPS29181  Stenotus stenophyllus Lauramay T. Dempster 1961-6-18 1687 Modoc Peak just south of Cedar Pass Comment
  CAS-BOT-BC54271  Stephanomeria spinosa Leland S. Smith 1922-7-12 1267 Modoc Canyon below Barber Field, 2 mi. S Menlo. 1676 Comment
  RSA722690  Stephanomeria tenuifolia Richard R. Halse 2006-8-4 6998 Modoc Along Patterson Mill Road, ca 4 miles SW of its jct with Surprise valley Road, E side of the southern Warner Mtns. Modoc National Forest. 2097 Comment
  HSC80826  Stipa hymenoides G. M. Riegel 1980-7-15 886 Modoc South Warner Mtns. 1739 Comment
  JEPS121193  Stipa nelsonii subsp. dorei John Dittes 2013-7-25 18960 Modoc S edge of Ash Creek floodplain, NE of Patterson Homestead, E of Elkins Lane, 1.0 air mile S of County Road 87, 3 air miles W of Adin, Big Valley. Comment
  HSC9869  Stipa thurberiana Thomas W. Stark 1967-7-16 85 Modoc 2 mi. S of Lava Beds Natl. Monument, 10 mi. W of the town of Perez 915 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
  NY188845  Streptanthella longirostris B. M. Bartholomew 1993-6-13 6641 Modoc W of Leonard Hot Spring, E side of Surprise Valley. 1410 Comment
  UC585230  Streptanthus cordatus E. B. Babcock and G. L. Stebbins Jr. 1936-6-9 1832 Modoc steep n-facing talus slope about 3 mi w Cedarville; Warner Mountains, Cedar Creek Canyon Comment
  UC705857  Streptanthus cordatus Marion Ownbey and Fred G. Meyer 1940-7-1 2135 Modoc Cedar Pass Warner Mts. Comment
  RSA603599  Streptanthus cordatus L. C. Wheeler 1935-8-14 3842 Modoc Pine Creek. Warner Mtns. 2011 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-BC95064  Streptanthus cordatus var. cordatus Francis Marion Ownbey; Frederick Gustav Meyer 1940-7-1 2135 Modoc Cedar Pass, Warner Mts. Comment
  CAS-BOT-BC95066  Streptanthus cordatus var. cordatus Bruce Bartholomew 1990-6-17 5342 Modoc W side of Fandango Pass near the summit, Warner Mountains. Comment
  UCD138351  Stuckenia pectinata Verne Grant; Irving Schneider 1947-7-19 8085 Modoc south of Williams Ranch House, north of Likely. Comment
  CAS-BOT-BC95572  Suaeda calceoliformis Isabelo T. Kelly 1930-1-1 33 Modoc Fort Bidwell. Comment
  CAS-BOT-BC95575  Suaeda calceoliformis Thomas C. Fuller 1964-10-8 12696 Modoc N side of levee road across S end of Goose Lake, ca. 5 mi. W of Davis Creek. Comment
  CDA23530  Suaeda calceoliformis T. C. Fuller 1964-10-8 12696 Modoc North side of levee road across the south end of Goose Lake, ca. 5 miles west of Davis Creek. 0 Comment
  UCD99560  Suaeda calceoliformis Elmer Harris 1931-7-29 2242 Modoc Willow Ranch. Comment
  CAS-BOT-BC180107  Swertia albicaulis var. albicaulis Leland S. Smith 1919-5-8 1096 Modoc Above Clarke Ranch, Jess Valley. 1676 Comment
  CAS-BOT-BC180108  Swertia albicaulis var. albicaulis Elmer Ivan Applegate 1897-5-31 327 B Modoc Dry Lake. Comment
  HSC8427  Swertia radiata M. T. Milligan Modoc N end of Jess Valley 1616 Comment
  UC711868  Swertia radiata Roxana S. Ferris and Laura Lorraine 1941-8-14 10595 Modoc 3 mi from Patterson Ranger Station (on the road to Eagleville); Warner Mountains, Modoc National Forest Comment
  RSA0065577  Symphoricarpos oreophilus Marion P. Harthill 1972-6-17 847 Modoc Cedar Pass. 1920 Comment
  CAS-BOT-BC245868  Symphoricarpos rotundifolius Mrs. R. M. Austin No date on label. 50 Modoc Hills west of Goose Lake Comment
  CAS-BOT-BC95183  Symphoricarpos rotundifolius var. rotundifolius A. D. Borden 1911-8-9 Modoc Mall place S side of Shields Creek. Comment
  CAS-BOT-BC95194  Symphoricarpos rotundifolius var. rotundifolius Frances Payne 1931-6-21 231 Modoc Warner Mts., ridge west of Dry Creek 1981 Comment
  CAS-BOT-BC95196  Symphoricarpos rotundifolius var. rotundifolius John H. Hatton 1911-6-20 123 Modoc Modoc County. 1524 Comment
  CHSC99954  Symphyotrichum ascendens Lowell Ahart; John Dittes 2008-8-25 15293 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
  LA203052  Symphyotrichum ascendens M. S. Baker; August 1898 524 Modoc Forest Dale Comment
  UC912524  Symphyotrichum bracteolatum F. H. Frost 1925-7-25 161 Modoc Eagle Peak Warner Mts. Comment
  UC1192166  Symphyotrichum bracteolatum Verne Grant and Irving Schneider 1947-8-28 8332 Modoc nw of, at Jack Swamp Alturas Comment
  HSC65385  Symphyotrichum foliaceum Thomas Wood 1979-8-8 217 Modoc 1 mi. S of Ft. Bidwell, along Hwy. 1, corner house where road turns W 1372 Comment
  UC1025086  Symphyotrichum frondosum Leo Whitney 1934-9-23 3069 Modoc 15 mi nw of Canby; Modoc National Forest, Lake Joaquina, Hackamore 1463 Comment
  UC71823  Symphyotrichum frondosum Mrs. M. H. Manning 1903-8-1 265 Modoc near, ne Modoc Co Fort Bidwell 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
  UC71762  Symphyotrichum frondosum Mrs. M. H. Manning 1902-9-1 17 Modoc Comment
  JEPS40756  Symphyotrichum spathulatum W. L. Jepson 1918-8-9 7909 Modoc Ft. Bidwell 1447 Comment
  CAS-BOT-BC15169  Symphyotrichum spathulatum var. spathulatum Bruce Bartholomew 1989-8-11 5095 Modoc Vicinity of Patterson Ranger Station, S end of Warner Moutains. 2160 Comment
  CAS-BOT-BC15173  Symphyotrichum spathulatum var. spathulatum Annie Montague Alexander; L. Kellogg 1946-7-13 4991 Modoc Cowhead Lake. Comment
  CAS-BOT-BC232358  Synthyris missurica Annie Montague Alexander; L. Kellogg 1946-6-28 4857 Modoc Pine Creek Canyon. Comment
  CAS-BOT-BC232363  Synthyris missurica Robert Patterson; Mona Bourell 1993-8-14 5224 Modoc Patterson Lake. South Warner Wilderness Area. Warner Mountains. 2743 Comment
  CAS-BOT-BC232365  Synthyris missurica C. C. (Mrs.) Bruce 1898-6-1 2132 Modoc Lake City Mt. Comment
  RSA503253  Synthyris missurica Bruce Bartholomew, B. Anderson 1988-6-24 4306 Modoc Road beyond Poison Lake, ca. 8 km S of the road from Hwy 395 to Lily Lake, Warner Mountains. 2130 Comment
  CDA5382  Syringa vulgaris T. C. Fuller 1964-6-25 12250 Modoc Warner Mountains; Sugar Hill Planting area, Lassen Creek, ca. 6 miles southeast of Willow Ranch. 0 Comment
  UCD86165  Taeniatherum caput-medusae T. C. Fuller 1959-7-8 2742 Modoc roadside hillslope, Hwy 299, 8 miles west of Alturas. Comment
  UCD86205  Taeniatherum caput-medusae L. Whitney 1935-7-20 3543 Modoc meadow near Canby. Comment
  UC1562576  Taraxia tanacetifolia Barbara Ertter 1988-6-18 7606 Modoc w side Hwy 139 just s where it crosses railroad at jct to Clear Lake (ne of Dry Lake e of Lava Beds Nat'l Monument) 1249 Comment
  UCSB12576  Taraxia tanacetifolia Dearing, Hugh; Dearing, Margaret 1939-6-7 Modoc near Canby Comment
  CAS-BOT-BC54232  Tetradymia canescens Elmer Ivan Applegate 1932-8-6 8187 Modoc Cedarville, Surprise Valley. Comment
  JEPS20876  Tetradymia canescens W. L. Jepson 1918-8-12 7948 Modoc Jess Valley 1584 Comment
  SD61011  Tetradymia canescens Darley F. Howe 1964-8-1 Modoc 11 miles south of Alturas on Highway 395 1280 Comment
  SDSU573  Tetradymia glabrata D. F. Howe 1964-8-2 3927 Modoc 9 miles south of Alturas on #395. 1341 Comment
  CAS-BOT-BC217169  Thalictrum fendleri Bruce Bartholomew 1994-7-2 6796 Modoc Joseph Creek Basin, W side of the Warner Mountains. 1650 Comment
  CAS-BOT-BC217174  Thalictrum fendleri Bruce Bartholomew; Barrett Anderson 1988-6-24 4319 Modoc Lily Lake, W side of the Warner Mts.. 2130 Comment
  JEPS55210  Thalictrum fendleri Leland S. Smith 1918-8-11 1030 Modoc Camp One (T38 - 16) Modoc National Forest 2484 Comment
  RSA504633  Thalictrum fendleri Bruce Bartholomew 1988-6-24 4319 Modoc Lily Lake, W side of the Warner Mtns. 2130 Comment
  SEINET12086567  Thalictrum occidentale R. M. Austin 1894-1 s.n. Modoc William Creek Comment
  RSA69387  Thalictrum occidentale var. palousense F. W. Peirson 1926-6-25 6877 Modoc 1 mile east of summit of Cedarville Road, Warner Mountains Comment
  CAS-BOT-BC95075  Thelypodium flexuosum Bruce Bartholomew; Barrett Anderson 1989-4-29 4704 Modoc Sand Creek, E side of Surprise Valley, ca. 10 km E of Cedarville. 1400 Comment
  NY215470  Thelypodium flexuosum B. M. Bartholomew 1991-5-24 5696 Modoc Surprise Valley, 5.1 km E of Eagleville. 1370 Comment
  CAS-BOT-BC95081  Thelypodium milleflorum Bruce Bartholomew 1994-5-15 6690 Modoc E of Eagleville near the Eagleville Airport, Surprize Valley. 1380 Comment
  SEINET3131787  Thermopsis argentata M. S. Baker 1899-8-14 sn Modoc Forestdale Comment
  CAS-BOT-BC181793  Thermopsis californica var. argentata Bruce Bartholomew; Barrett Anderson 1989-6-3 4902 Modoc ca. 5 km NW of Egg Lake and ca. 0.8 km W of Service Flat Gulch. 1370 Comment
  RSA520355  Thermopsis californica var. argentata Bruce Bartholomew, B. Anderson 1898-6-3 4902 Modoc 5km NW of Egg Lake and 0.8km W of Service Flat Gulch 1370 Comment
  HSC6977  Thlaspi arvense M. T. Milligan 1966-4-18 448 Modoc N end Jess Valley 1616 Comment
  CDA36792  Thlaspi arvense D. B. Joley 1976-6-23 3 Modoc Likely, near Alturas. 0 Comment
  UCD115583  Thlaspi arvense Robbins; Raynor 1943-6-1 s.n. Modoc Corporation Ranch. Comment
  SEINET10793109  Torreyochloa pallida var. pauciflora Louis C. Wheeler 1935-10-5 Wheeler 4020 Modoc N Fork Pit River at Parker Creek. Damp silt 1372 Comment
  RSA152724  Tragopogon pratensis I. L. Wiggins, Dorothy Wiggins 1961-6-13 16444 Modoc Roadside ditch 11 mi. N of Cedarville, in Surprise Valley. Comment
  UC26036  Trichostema oblongum Milo S. Baker 1893-7-24 Modoc Egg Lake Comment
  JEPS118253  Trifolium andersonii var. andersonii Lowell Ahart, John Dittes 2011-6-22 17560 Modoc On the east side of the road, about 100 yards north of the Pilot Butte Parking Lot, north edge of Ash Creek Floodplain, 1.1 miles (air) south of County Road 87, 7.7 miles (air) west of Aden [Adin], 10 miles (air) east of Lookout, Big Valley 1264 Comment
  NY716995  Trifolium beckwithii B. M. Bartholomew 1990-7-20 5522 Modoc Tamarack Flat, east side of Warner Mountains 2150 Comment
  JEPS65821  Trifolium cyathiferum Leland S. Smith 1917-1 880 Modoc Joseph Creek Warner Mtns 1828 Comment
  CAS-BOT-BC181778  Trifolium gymnocarpon var. plummerae Bruce Bartholomew 1991-5-24 5741 Modoc Near NW side of Big Mud Lake and 2 km SW of Nevada State boundary. 1680 Comment
  JEPS66052  Trifolium kingii var. productum Leland S. Smith 1918-6-23 857 Modoc vicinity Modoc Forest (High Grade) Comment
  HSC15135  Trifolium longipes M. T. Milligan 1966-6-14 459 Modoc N end of Jess Valley 1616 Comment
  RSA531367  Trifolium longipes Bruce Bartholomew, B. Anderson 1990-7-20 5502 Modoc Tamarack Flat, E side of Warner Mts. 2150 Comment
  JEPS33197  Trifolium longipes subsp. multipedunculatum L. S. Smith 1918-6-22 968 Modoc Pine Cr. Consol. Mine, Modoc Forest 1981 Comment
  CAS-BOT-BC180174  Trifolium macrocephalum Mrs. H. C. Cantelow 1941-5-23 3812 Modoc 2 mi. W of Adin Summit, E of Bieber. Comment
  CAS-BOT-BC181731  Trifolium macrocephalum Mrs. H. C. Cantelow 1940-5-31 Modoc 8.9 mi. E of Indian Springs. Comment
  CAS-BOT-BC181732  Trifolium macrocephalum Leland S. Smith 1917-6-10 35 Modoc Jess Valley. 1524 Comment
  CAS-BOT-BC181737  Trifolium macrocephalum E. S. Willits 1940-4-27 192 Modoc Davis Creek. Comment
  CAS-BOT-BC181738  Trifolium macrocephalum Mrs. H. C. Cantelow 1941-5-23 Modoc 2 miles W of Adin Summit, east of Bieber, Hwy. 299 Comment
  NY717379  Trifolium macrocephalum B. M. Bartholomew 1988-5-14 4191 Modoc 7 km south of turnoff to Crowder Flats along West Side Road, west side of Goose Lake 1410 Comment
  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
  JEPS66037  Trifolium pratense W. L. Jepson 1918-8-9 7910 Modoc near Ft. Bidwell 1432 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
  CAS-BOT-BC181772  Trifolium productum Bruce Bartholomew 1992-8-8 6379 Modoc Vicinity of Patterson Lake, E side of Warner Mountains. 2750 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
  HSC30123  Trifolium variegatum D. H. Norris, T. Nelson, S. Dowty 1971-6-23 19520 Modoc Big Valley Summit, 6 mi. W of Adin on Hwy. 299 Comment
  CAS-BOT-BC180156  Trifolium wormskioldii Roxana Stinchfield Ferris; R. Duthie 1919-6-14 174 Modoc Parker Creek at Modoc For. Boundary. Comment
  SJSU9619  Trifolium wormskioldii W. Savage 1979-7-6 1404 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  UCD109913  Trifolium wormskioldii Beecher Crampton; with Carl Rimbey 1954-7-8 2169 Modoc Warner mountains, 15 miles east of Likely. Floor of Jess Valley. Comment
  CAS-BOT-BC451867  Triglochin maritima H. D. Ripley; R. C. Barneby 1944-5-30 5985 Modoc North of Likely 1371 Comment
  JEPS70739  Trisetum canescens L. S. Smith 1919-7-24 113 Modoc Joseph Creek; Warner Mts. Comment
  CAS-BOT-BC193532  Trisetum spicatum Elmer I. Applegate 1932-8-3 8115 Modoc Crest of Warner Mountains just north of Eagle Peak Comment
  CAS-BOT-BC252534  Trisetum spicatum Elmer Ivan Applegate 1932-8-3 8132 Modoc Summit of Eagle Peak. 3017 Comment
  UCR34681  Trisetum spicatum J. A. Harpel 1981-8-6 V 31 Modoc Warner Mtns, South Warner Wilderness Area: E end of Patterson Lake, 7 mi NW of Eagleville 2744 Comment
  CHSC109886  Triteleia hyacinthina B. Castro; L. P. Janeway 2012-7-25 1959 Modoc Warner Mountains. Slope along N side of Dismal Swamp, along sides of rough gravel road going N out of swamp, just above more mesic sites dominated by Artemisia cana. 2218 Comment
  SEINET3884959  Triteleia hyacinthina Margaret J. Williams 1983-7-29 83- 116 -5 Modoc 1.1 mi N of Stowe Reservoir Campground, N. of Cedar Pass, Warner Mtns.; 0 2088 Comment
  CAS-BOT-BC242196  Triteleia ixioides subsp. anilina K. Paulson 1978-6-24 s.n. Modoc Egg Lake. Comment
  CAS-BOT-BC404161  Urtica dioica subsp. holosericea John Thomas Howell 1934-6-15 12191 Modoc Alturas Comment
  CAS-BOT-BC404162  Urtica dioica subsp. holosericea John Thomas Howell 1934-7-2 12370 Modoc West side of Clear Lake Comment
  UCD122038  Utricularia macrorhiza Barry Rice 2007-5-28 BR 070503 Modoc Western edge of Egg Lake. 1295 Comment
  CAS-BOT-BC179194  Utricularia vulgaris B. Bartholomew 1995-7-30 7074 Modoc Drainage from Taylor Reservoir just E of junction of County roads 93 and 94. 1260 Comment
  CDA3538  Vaccaria hispanica T. C. Fuller 1958-7-8 2026 Modoc Davis Creek. 0 Comment
  UC1748306  Vaccinium membranaceum Loren Gehrung 1996-9-6 176 Modoc On North Fork Davis Creek Modoc National Forest. Northern Warner Mts. 1889 Comment
  CAS-BOT-BC245380  Valeriana californica Robert Patterson; Mona Bourell 1993-8-14 5222 Modoc Patterson Lake. South Warner Wilderness Area. Warner Mountains. 2743 Comment
  SBBG7421  Valeriana californica H. and M. Dearing 1939-6-8 3594 Modoc Pine Cyn, Warner Mtns Comment<