Search Results — 2000 specimen records retrieved (1503 records with coordinates)
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 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
  RSA745482  Abies concolor Aaron Liston, Richard Halse 2006-8-4 1272 Modoc Along Highgrade Road ca. 4.4 miles north of Fort Bidwell, north end of the Warner Mtns. 1765 Comment
  SEINET5512253  Achillea lanulosa J. C. Beatley 1964-1 Modoc Tule Lake area NTS Herbarium coll. Drainage area: Tule Lake 1829 Comment
  CAS-BOT-BC15638  Achillea millefolium Robert Patterson; Mona Bourell 1993-8-14 5231 Modoc Patterson Lake. South Warner Wilderness Area. Warner Mountains. 2743 Comment
  RSA606138  Achillea millefolium Louis C. Wheeler 1935-10-6 4027 Modoc Lily Lake, Pine Creek. (Mt. Diablo Mer.) 2073 Comment
  UC469102  Achillea millefolium W. P. Taylor and H. C. Bryant 1910-7-13 Modoc head, in meadow N. Fork Parker Cr.; Warner Mountains 2225 Comment
  CDA28104  Achnatherum lemmonii L. White & H. T. Osborne 1957-6-27 Modoc 1/4 mile west of Cedar Pass, 3 miles west of Cedarville. Comment
  UC1024994  Achnatherum lemmonii Leo Whitney 1935-7-7 3390 Modoc 4 mi nw Canby (Howard Gulch); Howard Gulch Comment
  UCD32697  Achnatherum lemmonii Beecher Crampton 1954-7-6 2113 Modoc Modoc County, Road 56, following Shields Creek into Warner Mountains, 22 miles east of Alturas. Comment
  UCD50499  Achnatherum lemmonii R. Tofsrud 1947-7-1 245 Modoc Between Canby and Adin, Modoc County. Comment
  UCD50712  Achnatherum lemmonii L. Whitney 1935-5-15 s.n. Modoc Near Alturas. Comment
  CAS-BOT-BC242323  Achnatherum lettermanii Bruce Bartholomew; Barrett Anderson 1990-7-20 5463 Modoc 4 km N of Buck Creek Ranger Station at turn off to Del Prat Spring, W side of Warner Mts. 1900 Comment
  UC1024791  Achnatherum occidentale subsp. californicum Leo Whitney 1935-6-9 3210 b Modoc White Horse Comment
  UCD32698  Achnatherum occidentale subsp. pubescens Beecher Crampton 1954-7-6 2114 Modoc Modoc County, Road 56, following Shields Creek into Warner Mountains, 22 miles east of Alturas. Comment
  CAS-BOT-BC242313  Achnatherum thurberianum James D. Jokerst 1983-7-27 1907 Modoc Near Signal Butte. 1340 Comment
  SJSU9563  Acmispon denticulatus W. Savage 1979-7-3 1303 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  CHSC99953  Acroptilon repens Lowell Ahart; John Dittes 2008-8-25 15309 Modoc On the east bank (flood plane) of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout. 1273 Comment
  UC8852  Actaea rubra Milo S. Baker 1893-6 Modoc Comment
  HSC65611  Adenocaulon bicolor Thomas Wood 1979-8-10 247 Modoc 1.1 miles east of forest-boundary on Mill Creek Basin Rd. 1555 Comment
  JEPS118477  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 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
  UC412646  Adonis aestivalis Mrs. La Mont June 1930 Modoc 20 mi sw from Alturas Comment
  CHSC85673  Aegilops cylindrica J. Moreo 2002-6-24 1151611 Modoc Jasper Ranch, Willow Ranch, near New Pine Cr, Oregon. 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-BC179879  Agastache urticifolia Robert Patterson; Mona Bourell 1993-8-15 5266 Modoc Warner Mountains. Along trail from Patterson Lake to ca. 2 mi north towards Pepperdine Trailhead. 2743 Comment
  CAS-BOT-BC179883  Agastache urticifolia Annie Montague Alexander; L. Kellogg 1946-7-11 4963 Modoc Eight Mile Creek. Comment
  CHSC27649  Agastache urticifolia J. D. Prouty 1978-7-29 37 Modoc On trail from Pine Creek Valley to Warren Peak, Warner Wilderness and Warner Mtns. Comment
  POM260185  Agastache urticifolia C. L. Hitchcock 1940-5-27 6704 Modoc 15 miles northeast of Alturas. 1616 Comment
  POM126773  Agastache urticifolia M. French Gilman 565 Modoc [Unspecified] 1524 Comment
  POM70467  Agastache urticifolia Mrs. R. M. Austin 1898-06 2195 Modoc Foothills, Goose Lake. Comment
  CAS-BOT-BC15646  Ageratina occidentalis Elmer Ivan Applegate 1932-7-6 8212 Modoc About 1 mi. above Lily Lake. Comment
  JEPS6012  Ageratina occidentalis Frances D. Payne 1933-8-6 774 Modoc 2 mi sw Warren Mt. (se Modoc County); Pine Creek Basin 2316 Comment
  CAS-BOT-BC15476  Agoseris X dasycarpa Frances D. Payne 1932-6-22 577 Modoc Parker Creek 1584 Comment
  UC29350  Agoseris heterophylla var. heterophylla Milo S. Baker 1893-6-15 Modoc near, rocky slope Pitt River Comment
  CAS-BOT-BC126784  Agoseris parviflora Isabel T. Kelly 1930-1-1 58 Modoc unspecified Comment
  UC449593  Agoseris parviflora M. F. Gilman 629 Modoc Comment
  CAS-BOT-BC242303  Agropyron cristatum James D. Jokerst 1983-7-27 1914 Modoc Near Signal Butte. 1248 Comment
  UC2043251  Agropyron cristatum subsp. pectinatum Barbara Ertter 1995-7-1 14456 Modoc Highway 395 south of New Pine Creek on Oregon border, at junction of County Road 44. Comment
  CHSC99522  Agropyron desertorum Lowell Ahart; John Dittes 2008-6-21 15016 Modoc On the north side of the dirt road, uplands, in Big Valley, about 3.8 miles (air) northeast of the Headquarters at Ash Creek State Wildlife Area, about 6.5 miles (air) northeast of Bieber. 1264 Comment
  JEPS114847  Agropyron desertorum Lowell Ahart, John Dittes 2008-6-21 15016 Modoc On the north side of the dirt road, uplands, in Big Valley, about 3.8 miles (air) northeast of the Headquarters at Ash Creek State Wildlife Area, about 6.5 miles (air) northeast of Bieber 1264 Comment
  CHSC115606  Agrostis exarata Lowell Ahart; John Dittes 2015-7-16 20394 Modoc North edge of Ash Creek (destroyed),_ southeast of the gravel pit (destroyed), about 1/8 mile east of the parking area on the east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  UC1037177  Agrostis exarata Leo Whitney 1935-8-11 3623 Modoc dry stream bed near dam (Lake Joaquina, Hackamore, ca 15 mi nw of Canby); Modoc National Forest, Lake Joaquina 1463 Comment
  UCD52260  Agrostis exarata Beecher Crampton; Carl W. Rimbey 1954-7-6 2097 Modoc edge of Shield Creek, Warner Mountains. 20 miles east of Alturas. Comment
  UCSC000095  Agrostis exarata H. S. Yates 1936-6-16 5676 Modoc Pease Cabin - Modoc National Forest 3 Comment
  UC1024961  Agrostis pallens Leo Whitney 1935-7-1 3376 Modoc ca 15 mi nw Canby; Modoc National Forest, Lake Joaquina, Hackamore 1463 Comment
  UCD53116  Agrostis pallens L. Whitney 1935-7-6 s.n. Modoc Pit River. Stone Coal Valley. Comment
  UCD53170  Agrostis pallens L. Whitney 1935-7-5 s.n. Modoc Hackamore Reservoir. Comment
  HSC64826  Agrostis scabra J. P. Smith, J. O. Sawyer 1973-8-9 7274 Modoc Blue Lake, Modoc National Forest. 1829 Comment
  CAS-BOT-BC242418  Agrostis variabilis Bruce Bartholomew; Barrett Anderson 1988-7-23 4587 Modoc Vicinity of Blue Bell Mine between Lily Lake and Dismal Swamp, Warner Mts.. 2170 Comment
  CAS-BOT-BC190683  Aliciella micromeria Bruce Bartholomew 1990-6-17 5336 Modoc Surprise Valley, SE corner of Upper Alkali Lake. 1390 Comment
  UC985667  Alisma gramineum Malcolm A. Nobs and S. Galen Smith 1949-7-22 1065 Modoc bottom of dry canals at south fork of Pit River; Likely Comment
  RSA210815  Alisma triviale Robert F. Thorne, James Henrickson, C. W. Tilforth 1969-9-4 39106 Modoc N Fork of Pit River 3.4 mi N of Alturas where crossed by Highway 395. 1341 Comment
  CAS-BOT-BC245004  Allium acuminatum Barrett Anderson 1986-7-10 3191 Modoc West Warner Rd N of the North Fork of Pine Creek. 1965 Comment
  HSC26582  Allium acuminatum D. H. Norris, Thomas W. Nelson, S. Dwoty 1971-6-23 19384 Modoc Along Hager Basin Rd. near Big Sage Reservoir Comment
  JEPS13885  Allium acuminatum Rimo Bacigalupi with L. R. Heckard, R. D. Sanderson, and G. Bacigalupi 1952-6-18 3750 Modoc 3.3 mi w Fandango Pass; Fandango Valley 1706 Comment
  SEINET12048088  Allium acuminatum Unknown 1945-1 Modoc Comment
  SEINET12048490  Allium acuminatum Unknown 1957-1 Modoc Comment
  SJSU7600  Allium acuminatum H. L. Buckalew 1961-6-26 Modoc by Deep Creek Canyon, Warner Mts 1645 Comment
  RSA249353  Allium amplectens D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19477 Modoc At Upper Rush Creek Campground about 8 miles north of Adin on Highway 299. Comment
  CAS-BOT-BC244994  Allium bisceptrum var. bisceptrum Bruce Bartholomew; Barrett Anderson 1988-6-24 4351 Modoc South Barber Creek, 6.3 km SW of County Road 1 on County Road 42, E side of the Warner Mts.. 1790 Comment
  JEPS127583  Allium geyeri var. tenerum L. P. Janeway 2016-5-17 12038 Modoc Modoc Plateau. Devils Garden area; where Road 45N06 crosses Logans Slough; about 3.2 air-km north of Big Sage Reservoir. Whittemore Ridge 7.5' Quad Comment
  SJSU9927  Allium lemmonii H. L. Buckalew 1961-6-24 Modoc Stough (""Stowe"") Reservoir c. 1 mi N of Cedar Pass onAlturas-Cedarville Rd Comment
  CAS-BOT-BC244974  Allium platycaule Margaret J. Williams 1984-6-28 84- 69 -1 Modoc End of Soldier Creek. 2072 Comment
  POM259541  Allium platycaule C. L. Hitchcock 1940-5-27 6667 Modoc 15 miles northeast of Alturas. 1616 Comment
  UC635212  Allium platycaule R. C. Wilson 1933-5-30 93 Modoc Rush Creek 1432 Comment
  HSC81151  Allium platycaule G. M. Riegel 1980-8-13 1056 Modoc South Warner Mtns. 1829 Comment
  SEINET12048282  Allium platycaule M. Ownbey, Meyer, F. G. 1940-1 2145 Modoc Cedar Peak, Warner Mts 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
  UC1299753  Allium platycaule Freed W. Hoffman 1955-7-14 4106 Modoc 6 mi e junctions of highways 395 and 8A (s side of road); Cedar Pass 1524 Comment
  CAS-BOT-BC244948  Allium tolmiei var. tolmiei Bruce Bartholomew; Barrett Anderson 1989-6-3 4894 Modoc ca. 5 km E of the SE corner of Clear Lake Reservoir. 1450 Comment
  UC71673  Allium tolmiei var. tolmiei Mrs. M. H. Manning June, 1903 67 Modoc near Fort Bidwell (back of the Three trees) 1981 Comment
  CAS-BOT-BC190746  Allophyllum gilioides subsp. gilioides Bruce Bartholomew 1995-6-22 6983 Modoc Between Day and Lookout, 17.0 km W of Day on County Road 94. 1280 Comment
  SEINET201567  Alopecurus aequalis A. Cronquist, AH Holmgren 1959-6-29 8492 Modoc Clear Lake Warner Mtns 15 mi E of Likely 1829 Comment
  UCD55820  Alopecurus aequalis A. A. Beetle 1944-8-15 3024 Modoc 4 miles north of Lookout. Comment
  HSC42319  Alyssum alyssoides S. Saufferer 1973-5-5 131 Modoc About 7 1/2 mi. S of Pine Creek along Hwy. 395 Comment
  SEINET5783736 Image available Alyssum minus S. Saufferer 1973-5-5 131 Modoc about 7.5 mi. S of Pine Creek, along Hwy 395 Comment
  RSA152426  Alyssum minus I. L. Wiggins, Dorothy Wiggins 1961-6-13 16468 Modoc Roadside 2.6 miles N of Buck s Creek Ranger Station, E side of Goose Lake. 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
  JEPS54307  Amaranthus blitoides Frances D. Payne 1932-7-8 668 Modoc Parker Creek, Warner Mountains, south and east of Alturas. 1584 Comment
  RSA59973  Amelanchier pallida E. K. Balls 1950-5-13 14678 Modoc West shore of Goose Lake, 0.5 mile south of Oregon-California State line. 1463 Comment
  RSA164429  Amelanchier pumila Clare B. Hardham 1961-6-20 7887 Modoc Top of Bidwell Road, Road to Dismal Creek. 2439 Comment
  RSA504634  Amelanchier pumila Bruce Bartholomew 1988-6-24 4315 Modoc Cave Lake, W side of the Warner Mountains. 2130 Comment
  CAS-BOT-BC217081  Amelanchier utahensis C. Wolf 1931-9-5 2400 Modoc Warner Mts., on grade 3 mi. above E base, road from Lake City-Fort Bidwell Road-Davis Creek. 1676 Comment
  CAS-BOT-BC217086  Amelanchier utahensis Elmer Ivan Applegate 1932-7-9 7589 Modoc N slope of Bidwell Mountain, Warner Mts. Comment
  JEPS45141  Amelanchier utahensis W. L. Jepson 1918-8-6 7838 Modoc Summit of Fandango Pass; Warner Mts. 1859 Comment
  UC1127787  Amelanchier utahensis R. C. Wilson 1933-6-4 36 Modoc Rush Creek; Modoc National Forest, Canby Quad. 1463 Comment
  UC72962  Amelanchier utahensis Milo S. Baker 1893-1 Modoc Forestdale Comment
  CAS-BOT-BC54153  Amsinckia menziesii Alice Eastwood; John Thomas Howell 1940-6-13 8161 Modoc Fort Bidwell. Comment
  JEPS5802  Amsinckia menziesii var. menziesii Rimo Bacigalupi and L. R. Heckard 1952-6-18 3744 Modoc 3/4 mi e Canby (at railroad crossing along U.S. Hwy 299) Comment
  CHSC67641  Amsinckia tessellata James D. Jokerst 1983-7-27 1917 Modoc E. side Hwy. 395 S of Alturas, N of Signal Butte. Comment
  SJSU9646  Amsinckia tessellata W. Savage 1979-7-8 1479 Modoc W side Fairchild Swamp Unit, Triangle, Devils Garden District, Modoc National Forest 1493 Comment
  CAS-BOT-BC54165  Amsinckia tessellata var. tessellata Alice Eastwood; John Thomas Howell 1940-6-14 8203 Modoc Near Kelly Hot Spring. Comment
  CDA40464  Amsinckia tessellata var. tessellata Jim Jokerst 1983-7-27 1917 Modoc East side of Highway 395 south of Alturas, north of Signal Butte. 0 Comment
  HSC80752  Anemone drummondii G. M. Riegel 1979-7-24 602 Modoc S Warner Mtns., plot 124 1829 Comment
  HSC4653  Antennaria argentea M. S. Baker 1893-1 Modoc Egg Lake Comment
  HSC81030  Antennaria argentea G. M. Riegel 1978-8-24 709 Modoc South Warner Mountains 1670 Comment
  CAS-BOT-BC15613  Antennaria argentea Milo Samuel Baker 1893-7-6 s.n. Modoc Pine timber, hillside. Comment
  CAS-BOT-BC15614  Antennaria argentea E. H. Steffen 1917-7-1 88 Modoc Granger Mill. 1676 Comment
  CAS-BOT-BC59210  Antennaria dimorpha John Thomas Howell 1934-6-14 12136 Modoc Near Lost Lake, Warner Mts. 2438 Comment
  CAS-BOT-BC59211  Antennaria dimorpha John Thomas Howell 1934-6-14 12136 Modoc Near Lost Lake, Warner Mts. 2438 Comment
  UC190601  Antennaria dimorpha M. F. Gilman 564 Modoc (mountains) 1981 Comment
  CAS-BOT-BC15585  Antennaria geyeri Frank Warrington Peirson 1926-6-26 6909 Modoc NW of Canby. Comment
  SBBG7569  Antennaria luzuloides H. and M. Dearing 1939-6-9 3635 Modoc near Squaw Peak, Warner Mtns 2133 Comment
  UC1037300  Antennaria luzuloides Leo Whitney 1934-5-18 1631 Modoc Devil's Garden, (ne portion of county) Modoc National Forest, Devil's Garden 1524 Comment
  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
  CAS-BOT-BC15689  Apocynum androsaemifolium Annie Montague Alexander; L. Kellogg 1946-7-3 4903 Modoc Bidwell Creek, near Fort Bidwell. 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
  CAS-BOT-BC218338  Aquilegia formosa Isabelo T. Kelly 1930-1-1 48 Modoc Fort Bidwell. Comment
  SD46546  Arabis eschscholtziana Robert J. Weatherby 1955-7-8 1624 Modoc 6 miles north of Fort Bidwell, northern Warner Mountains 1735 Comment
  CAS-BOT-BC95649  Arctostaphylos nevadensis Belknap C. Goldsmith 1911-6-14 31 Modoc N Fork Davis Creek. 1920 Comment
  CAS-BOT-BC95657  Arctostaphylos patula Doris K. Kildale 1926-9-11 2774 Modoc Between Alturas and the Oregon line. 1371 Comment
  CAS-BOT-BC95660  Arctostaphylos patula Bruce Bartholomew 1989-7-15 5021 Modoc Manzanita Lookout, top of Manzanita Mountain. 2130 Comment
  CAS-BOT-BC95661  Arctostaphylos patula C. C. (Mrs.) Bruce 1894-5-1 71 Modoc Willow Ranch. Comment
  JEPS38833  Arctostaphylos patula L. S. Smith 1925-8-1 1503 Modoc Happy Camp Mt. Modoc National Forest (sw Modoc Co.) 1676 Comment
  JEPS51416  Arenaria aculeata L. S. Smith 1917-6-10 33 Modoc Warner Mts., Jess Valley 1524 Comment
  POM260875  Arenaria aculeata Alice Eastwood, J. T. Howell 1940-6-12 8106 Modoc West side of Cedar Pass. Comment
  UC71561  Arenaria congesta var. congesta Mrs. M. H. Manning july 1903 294 Modoc Mt. Bidwell 1828 Comment
  POM203065  Arenaria congesta var. simulans J. T. Howell 1934-6-30 12288 Modoc Duncan Horse Camp. Comment
  POM229218  Aristida oligantha L. C. Wheeler 1935-9-6 3959 Modoc Fletcher Creek at Pease Place. Devil's Garden. 1524 Comment
  JEPS35869  Arnica chamissonis Frances D. Payne 1931-6-20 204 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  UC29621  Arnica chamissonis Mrs. R. M. Austin and Bruce 1898-6-1 2174 Modoc Lake Annie; ; Lake Annie, Modoc Co. Comment
  UC29628  Arnica chamissonis Milo S. Baker 1893-6-20 Modoc Egg Lake 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
  POM30284  Arnica chamissonis subsp. foliosa Mrs. R. M. Austin 1895-08 s.n. Modoc Goose Lake Valley Comment
  CAS-BOT-BC15414  Arnica cordifolia Roxana Stinchfield Ferris; R. Duthie 1919-6-14 74 Modoc Warner Mts. Comment
  JEPS35918  Arnica cordifolia N. T. Mirov 1929-7-4 Modoc 1 mi s Oregon-California boundary; Warner Mountains, Lily Lake 2133 Comment
  RSA504611  Arnica discoidea Bruce Bartholomew, B. Anderson 1988-7-21 4415 Modoc Whitehorse Mountains, 11 km N of Day on the road to Whitehorse Flat Reservoir. 1340 Comment
  CHSC118093  Arnica fulgens L. P. Janeway 2016-5-18 12074 Modoc Modoc Plateau. Devils Garden area; Island Meadow, along Road 47N08 2.1 road-km north of Road 73/181/47N09. 1606 Comment
  CAS-BOT-BC15283  Arnica longifolia Leland S. Smith 1918-8-28 1055 Modoc Patterson Lake and Owl Creek. 2438 Comment
  CAS-BOT-BC15284  Arnica longifolia Alice Eastwood; John Thomas Howell 1940-6-12 8075 Modoc Between Likely and Jess Valley. Comment
  SEINET6775095 Image available Arnica mollis L. Kellogg, A. M. Alexander 1946-7-23 5055 Modoc Emerson Peak, Warner Mountains Comment
  CHSC107315  Arnica sororia Lowell Ahart; John Dittes 2011-6-21 17530 Modoc Moist meadow, on south edge of Ash Creek Floodplain, 1.8 miles (air) east of Elkins Lane, 1.2 miles (air) south of County Road 87, 2.5 miles (air) west of Adin, Big Valley. 1267 Comment
  CAS-BOT-BC242408  Arrhenatherum elatius Leland S. Smith 1919-6-2 1112 Modoc Deep Creek Ranger Station. 1493 Comment
  JEPS121214  Arrhenatherum elatius Lowell Ahart, John Dittes 2013-7-24 18936 Modoc South bank of Ash Creek Canal, S of Ash Creek, Ash Creek State Wildlife Area, 0.79 air miles S of County Road 87, 1.73 air miles W of Adin, Big Valley. Comment
  SEINET2164565  Artemisia arbuscula subsp. arbuscula L. C. Wheeler 1935-9-9 3962 Modoc Green Spring, Devil's Garden Comment
  UC217093  Artemisia arbuscula subsp. arbuscula H. M. Hall 1921-9-9 11669 Modoc Northern Modoc County; in floodplain parks Comment
  SEINET3396706  Artemisia arbuscula subsp. longicaulis S. C. McArthur, E. D. McArthur 1986-1 1558 Modoc 2.6 mi S of California line & 15 mi N of Ft. Bidwell Comment
  UC1242647  Artemisia cana subsp. bolanderi A. A. Beetle 1957-8-16 12764 Modoc 15 mi s Alturas Comment
  CHSC112756  Artemisia douglasiana Lowell Ahart; John Dittes 2013-7-24 18935 Modoc South bank of Ash Creek Canal, south of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. 1268 Comment
  UC748333  Artemisia ludoviciana subsp. candicans Annie M. Alexander and Louise Kellogg 1946-7-6 4912 Modoc 3.5 mi w Eagleville 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
  CDA13461  Artemisia ludoviciana subsp. ludoviciana G. F. Hrusa, T. D. Wilfred 1996-7-21 13308 Modoc Modoc Plateau; Pit River at Modoc Co. Rd. 90 bridge. E base of Splawn Mtn. N end of Big Valley. Comment
  CHSC115570  Artemisia ludoviciana subsp. ludoviciana Lowell Ahart; John Dittes 2015-7-15 20343 Modoc Hillside, about 400 yeards northeast of the old barn, on the south side of the overgrown road, Ash Creek State Wildlife Area, about 3.9 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1269 Comment
  JEPS117359  Artemisia ludoviciana subsp. ludoviciana Lowell Ahart, John Dittes 2010-8-30 17051 Modoc About 10 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
  SEINET3479098  Artemisia tridentata Unknown 1991-8-28 4439 Modoc Modoc National Forest, Modoc National Forest, east of Bald Mountain, Warner Mountains 2310 Comment
  RSA518545  Artemisia tridentata subsp. tridentata George K. Helmkamp 1990-9-23 H- 4 Modoc US Hwy 395, 13 mi. N of Likely. 1341 Comment
  SEINET201594  Asclepias cordifolia Arthur Cronquist, Arthur H. Holmgren 1959-6-19 8496 Modoc Along Clear Lake; Warner Mts. 15 miles east of Likely. 1829 Comment
  UC22966  Asclepias cordifolia Milo S. Baker 1893-7-8 Modoc Comment
  UC105340  Asclepias fascicularis Mrs. R. M. Austin July 1894 Modoc Goose Lake Valley Comment
  UC22986  Asclepias fascicularis Milo S. Baker 1893-7-25 Modoc Egg Lake Comment
  CAS-BOT-BC497459  Asclepias speciosa B. Bartholomew 1995-7-31 7079 Modoc 1.6 km S of Foest Service road 30on US Hwy 395 along the N fork of the Pit River 1390 Comment
  CDA39829  Asclepias speciosa T. C. Fuller 1958-7-9 2053 Modoc 5 miles west of Adin. 0 Comment
  CAS-BOT-BC54173  Asperugo procumbens Gordon H. True 1964-6-3 1450 Modoc Alturas. 1432 Comment
  CAS-BOT-BC54174  Asperugo procumbens Herbert Louis Mason; Verne Grant 1947-7-12 13416 Modoc Near S end of W Side Road, Pit River Valley, S of Alturas. Comment
  RSA607254  Aster ascendens L. C. Wheeler 1935-8-27 3925 Modoc S Mt. Spring, Devil's Garden. 1524 Comment
  POM312507  Aster frondosus H. L. Mason 1947-8-11 13487 Modoc Reservoir, Kelley Hot Springs, on Alturas-Conby Highway Comment
  UCR74622  Aster occidentalis R. D. Goeden, J. Teerink 1989-8-23 890823- 15 Modoc Warner Mtns., Modoc National Forest, near east end of Fandango Pass Rd. 1585 Comment
  RSA518410  Aster subspicatus George K. Helmkamp 1990-9-23 J- 11 Modoc Drying mud flats beside Goose Lake, within 0.1 mile of the Oregon border 1372 Comment
  NY790904  Astragalus agrestis Mrs. C. C. Bruce 06 1898 2212 Modoc Madaline Plains Comment
Read comments
Aug 21 2016
  RSA750620  Astragalus bolanderi R. M. Austin 1898-07 198 Modoc Shore Goose Lake. Comment
  RSA415789  Astragalus californicus Christopher Davidson 1975-6-4 2627 Modoc Canby Bridge across Pit R., ca. 4 mi. S of Canby on Hwy 299. 1341 Comment
  CAS-BOT-BC218209  Astragalus canadensis var. brevidens R. M. Austin 1898-7-1 2213 Modoc Shore Goose Lake. Comment
  CAS-BOT-BC177859  Astragalus curvicarpus var. curvicarpus Alice Eastwood; John Thomas Howell 1940-6-11 8024 Modoc 8 miles from Canby on road to Alturas Comment
  CAS-BOT-BC218212  Astragalus curvicarpus var. curvicarpus Margaret J. Williams 1984-6-29 84- 74 -1 Modoc 4.8 mi. in on Fandango Pass road from Hwy 395. 1524 Comment
  CAS-BOT-BC218219  Astragalus curvicarpus var. curvicarpus Annie Montague Alexander; L. Kellogg 1946-6-10 4723 Modoc Slope facing Lower Lake, lava bench between Lower and Snake lakes. Comment
  NY803545  Astragalus curvicarpus var. curvicarpus P. H. Raven 1958-6-18 13335 Modoc 8.6 miles west of Alturas on United States Highway 299 Comment
  CAS-BOT-BC218222  Astragalus curvicarpus var. curvicarpus R. M. Austin 1898-6-1 2212 Modoc Modoc County. Comment
  NY803542  Astragalus curvicarpus var. curvicarpus A. A. Heller 1938-6-24 15225 Modoc On banks along U.S. Highway 299, between Alturas and Canby 1341 Comment
  CAS-BOT-BC182076  Astragalus filipes Bruce Bartholomew 1991-6-20 5774 Modoc Junction of county roads 87 and 90. 1220 Comment
  POM24441  Astragalus filipes R. M. Austin 1895-06 s.n. Modoc Goose Lake Valley. Comment
  SD131809  Astragalus filipes Barbara Ertter 1988-6-18 7619 Modoc Highway 139, 50 miles southwest of Klamath Falls, a few miles north Agricultural Inspection Station, 1.0 mile south of south junction to Lava Beds National Monument east of Tonesta. 1310 Comment
  UC862720  Astragalus filipes C. L. Hitchcock 1940-5-27 6650 Modoc 9 mi ne Alturas; ne of Alturas 1402 Comment
  CAS-BOT-BC182071  Astragalus filipes Amos Arthur Heller 1938-6-24 15226 Modoc Roadside between Canby and Alturas. 1219 Comment
  HSC14513  Astragalus filipes R. C. Wunner 1965-6-26 282 Modoc Lava Beds N. M., .1 mi. from Blue Eyes Point by side of road. 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
  SDSU7883  Astragalus gibbsii D. F. Howe 1994-8-1 3910 Modoc 11 miles south of Alturas on #395. 1280 Comment
  CAS-BOT-BC182059  Astragalus inversus Leo David Whitney 1933-8-18 1936 Modoc Near Poison Lake. 1828 Comment
  CAS-BOT-BC182052  Astragalus malacus Bruce Bartholomew 1995-5-13 6911 Modoc 4.8 km W of Eagleville, E side of the S end of Surprize Valley. 1480 Comment
  NY676223  Astragalus malacus B. M. Bartholomew 1993-5-10 6449 Modoc At the Nevada border directly east of Eagleville, east side of Surprise Valley 1520 Comment
  UC13460  Astragalus obscurus Mrs. R. M. Austin June 1894 Modoc banks of Ewing Creek above Goose Lake; above Goose Lake, Ewing Creek Comment
  CAS-BOT-BC182033  Astragalus purshii E. S. Willits 1940-4-27 197 Modoc Near quarantine station, Alturas. Comment
  CAS-BOT-BC182040  Astragalus purshii F. Angwin 1946-5-3 Modoc Big Valley. 1280 Comment
  CAS-BOT-BC182045  Astragalus purshii Mrs. H. C. Cantelow 1940-6-2 Modoc W of Alturas on road to Bad Lands Nat. For. Comment
  POM275213  Astragalus whitneyi A. M. Alexander, Louise Kellogg 1946-7-23 5043 Modoc East slope of Emerson Peak, Warner Mountains. Comment
  CAS-BOT-BC181992  Astragalus whitneyi var. lenophyllus M. Vasey 1990-6-29 9023 Modoc Along North Emerson Trail, near pass. South Warner Wilderness. 2377 Comment
  CAS-BOT-BC181999  Astragalus whitneyi var. lenophyllus Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16381 Modoc Near junction of Cedar Pass road to Calif. State Highway 299, 5.5 mi. N of Alturas. Comment
  POM260740  Astragalus whitneyi var. siskiyouensis Alice Eastwood, John T. Howell 1940-6-11 8011 Modoc 6 miles NE of Adin on road to Canby. Comment
  JEPS117501  Atriplex argentea var. argentea Lowell Ahart, John Dittes 2010-8-31 17137 Modoc About 400 yards west of Elkins Lane and the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley 1267 Comment
  CAS-BOT-BC95507  Atriplex confertifolia Bruce Bartholomew 1994-10-9 6880 Modoc Near Nevada border directly E of Eagleville, S end of Surprise Valley. 1510 Comment
  JEPS19751  Atriplex gardneri var. falcata Rimo Bacigalupi with S. Galen Smith 1957-6-28 5985 Modoc along roadside of U.S. Highway 299 4.2 mi w Alturas; w of Alturas 1371 Comment
  UCD97671  Atriplex rosea Herbert L. Mason 1947-8-9 13485 Modoc on east side of Fairchild Swamp, north of Alturas. Comment
  NY528262  Atriplex rosea L. C. Wheeler 1935-10-10 4034 Modoc Alturas 1356.4 Comment
  UC1101612  Azolla filiculoides Herbert L. Mason 1947-8-12 13503 Modoc juction of N and S forks of Pit River Altura Comment
  CHSC30393  Balsamorhiza hookeri Sandra C. Morey 1980-4-26 77 Modoc Hwy 299, ca. 3.7 mi N of jctn with Hwy 139. 1280 Comment
  JEPS128417  Balsamorhiza hookeri Jennifer Mueller 2017-7-21 CA 320 -194 Modoc South Likely Tablelands above Little Juniper Reservoir. Comment
  JEPS5953  Balsamorhiza hookeri Frances D. Payne 1929-6-23 20 Modoc s and e of Alturas (Parker Creek, Warner Mountains); Warner Mountains, Parker Creek 1584 Comment
  UC30506  Balsamorhiza hookeri M. S. Baker and Frank Nutting 1894-6-8 Modoc lava beds near Egg Lake Comment
  SEINET476714  Balsamorhiza macrolepis var. platylepis Unknown 1923-4-26 Modoc Lookout Comment
  SEINET5780950 Image available Balsamorhiza sagittata S. Saufferer 1973-5-5 130 Modoc about 7.5 mi. S of Pine Creek, along Hwy 395 Comment
  UC71588  Balsamorhiza sagittata Mrs. M. H. Manning 1903-5-1 113 Modoc near Fort Bidwell Comment
  CAS-BOT-BC15134  Balsamorhiza sagittata John H. Hatton 1911-6-10 15 Modoc Modoc National Forest 1767 Comment
  HSC5179  Balsamorhiza sagittata M. T. Milligan 1965-6-26 342 Modoc E slope 1677 Comment
  CAS-BOT-BC58630  Barbarea orthoceras Betty J. Hammerly 1941-6-20 32 Modoc Just beyond Clear Lake. 1767 Comment
  CAS-BOT-BC58631  Barbarea orthoceras Annie Montague Alexander; L. Kellogg 1946-7-17 5009 Modoc Benton Meadow, Warner Mts. 2072 Comment
  CAS-BOT-BC58632  Barbarea orthoceras Alice Eastwood; John Thomas Howell 1940-6-12 8069 Modoc Between Likely and Jess Valley. 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
  CAS-BOT-BC498656  Barbarea orthoceras L. S. Smith 1922-6-23 1250 Modoc Modoc Forest: Near Ballard's Mill 1432 Comment
  CHSC100116  Bassia hyssopifolia L. P. Janeway; B. Castro 2008-8-16 9547 Modoc Modoc Plateau. Surprise Valley; east side of Middle Alkali Lake, south side of Hwy 299 10.5 km east of Cedarville. 1378 Comment
  CAS-BOT-BC248383  Beckmannia syzigachne Robert F. Thorne; C. W. Tilforth 1969-9-4 39057 Modoc 2 mi W of Davis Creek (town), S. of Goose Lake 1432 Comment
  CHSC116085  Beckmannia syzigachne Lowell Ahart; John Dittes 2015-7-16 20372 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
  JEPS114846  Beckmannia syzigachne Lowell Ahart, John Dittes 2008-6-21 14991 Modoc In shallow water and on wet soil, along the edge of the drying pond, north of the large culvert, east of the large levee, mountain meadow, in Big Valley, about 2.8 miles (air) north of the Headquarters at Ash Creek State Wildlife Area, about 5.4 miles (ai 1255 Comment
  RSA603673  Beckmannia syzigachne L. C. Wheeler 1935-10-5 4019 Modoc N Fork Pit River at Parker Creek. 1372 Comment
  SEINET10934453  Beckmannia syzigachne Louis C. Wheeler 1935-10-5 Wheeler 4019 Modoc N Fork Pit River at Parker Creek. Damp silt. 1372 Comment
  CAS-BOT-BC54222  Berberis aquifolium var. repens John Thomas Howell 1934-6-11 11981 Modoc Parker Creek, Warner Mts. 1584 Comment
  UC9740  Berberis aquifolium var. repens Mrs. R. M. Austin and Bruce July 1898 2351 Modoc hills Modoc Co. Comment
  CAS-BOT-BC76022  Berberis repens James Vale; Keith Wagnon; Walter Knight; Irja Knight 1981-5-21 4124 Modoc Warner Mountains. Stowe Reservoir Road about 4 miles past highway #299. 2133 Comment
  RSA604675  Bergia texana L. C. Wheeler 1935-8-22 3910 Modoc Devil's Garden: South Mt. Reservoir. 1524 Comment
  UC1583943  Berula erecta G. Schoolcraft 1990-7-11 2105 Modoc about 2 mi w of West Valley Reservoir 1493 Comment
  UC985674  Berula erecta Verne Grant, Irving Schneider 1947-7-22 8150 Modoc 1 mi nw of Highway 395 (on dirt road leading to s end of Goose Lake, Headwaters of North Fork of Pit River); North Fork Pit River Comment
  NY526244  Betula glandulosa L. C. Wheeler 1935-8-15 3858 Modoc Dismal Swamp, Twenty Mile Creek, Warner Mountains 2225.0 Comment
  JEPS58649  Betula occidentalis L. S. Smith 1918-8-18 1075 Modoc below Mosquito Creek Ranger Station; East Creek Comment
  CDA10502  Bidens cernua G. D. Barbe 1985-8-29 4249 Modoc West of Westside Road, South Fork of Pit River south of Alturas. 0 Comment
  UC1192174  Bidens frondosa Verne Grant and Irving Schneider 1947-7-19 8068 Modoc s of Alturas (Corporation ranch; irrigation ditch s of south loop road) Comment
  CAS-BOT-BC218108  Bistorta bistortoides Bruce Bartholomew 1992-5-16 6329 Modoc Lunsford Spring 1600 Comment
  CAS-BOT-BC218118  Bistorta bistortoides Bruce Bartholomew 1990-6-15 5236 Modoc SE corner of Sweagert Flat. 1860 Comment
  CAS-BOT-BC15083  Blepharipappus scaber David D. Keck; J. Clausen 1919-6-13 72 Modoc 3 mi. NE of Willow Ranch, E of Goose Lake 1550 Comment
  CAS-BOT-BC15106  Blepharipappus scaber R. K. Gierisch; D. H. Esplin 1969-7-15 3541 Modoc Modoc National Forest 1524 Comment
  CAS-BOT-BC15111  Blepharipappus scaber Bruce Bartholomew 1991-6-21 5796 Modoc 1.6 km S of Davis Creek on U.S. Hwy 395. 1450 Comment
  CAS-BOT-BC15112  Blepharipappus scaber Bruce Bartholomew 1990-6-18 5367 Modoc SW side of Goose Lake, 2 km N of McGinty Point. 1420 Comment
  CAS-BOT-BC15118  Blepharipappus scaber John Thomas Howell 1934-7-1 12322 Modoc Duncan Horse Camp. Comment
  JEPS114489  Blepharipappus scaber Lowell Ahart, John Dittes 2008-8-25 15295 Modoc On the west side of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout 1273 Comment
  CAS-BOT-BC15084  Blepharipappus scaber R. M. Austin; C. C. (Mrs.) Bruce 1898-7-1 2322 Modoc Davis Creek. Comment
  JEPS6015  Blepharipappus scaber Frances D. Payne 1932-6-22 579 Modoc s and e of Alturas (Parker Creek, Warner Mountains); Warner Mountains, Parker Creek 1584 Comment
  UC71684  Blepharipappus scaber Mrs. M. H. Manning 1904-8-22 300 Modoc Warner Range 1981 Comment
  SEINET7379331 Image available Blepharipappus scaber subsp. scaber M. J. Williams 1984-1 84- 85 -4 Modoc Northwest of Alturas, 2.1 mi N of Hwy on the Crowder Flat Road 1372 Comment
  RSA0125878  Boechera C. L. Hitchcock 1940-5-27 6714 Modoc 15 miles NE of Alturas. 1677 Comment
  CAS-BOT-BC35124  Boechera puberula Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-11 6488 Modoc Near SE corner of Big Sage Reservoir, 5.3 km E of Crowder Flat Road. 1580 Comment
  CAS-BOT-BC25534  Boechera retrofracta B. Bartholomew; M. Bourell 1990-4-27 5194 Modoc 1.1 km east of the Modoc National Forest boundary on Parker Creek Road. 1660 Comment
  CAS-BOT-BC410949  Boechera sparsiflora B. Bartholomew 2002-6-2 8759 Modoc E side of the Warner Mountains, ca. 2.7 direct km WNW of Lake City along Mill Creek on Forest Service Road 44N34 (Lake City Canyon Rd.) between Lake City and Benton Meadow 1600 Comment
  RSA600325  Boisduvalia glabella Louis C. Wheeler 1935-8-18 3894 Modoc 2 miles northeast of Alturas. 1357 Comment
  POM254492  Boisduvalia macrantha Alice Eastwood, John Thomas Howell 1940-6-13 8126 Modoc Near Davis Creek. Comment
  CDA10548  Brickellia grandiflora T. C. Fuller 1964-10-8 12699 Modoc Levee road across the south end of Goose Lake, ca. 5 miles west of Davis Creek. 0 Comment
  UC1094382  Brodiaea coronaria subsp. coronaria R. C. Bacigalupi with S. Galen Smith 1957-6-27 5980 Modoc ca 9 mi nw Canby (along State Hwy 139) Comment
  POM260302  Bromus briziformis C. L. Hitchcock 1940-5-27 6659 Modoc 9 miles northeast of Alturas. 1402 Comment
  SEINET4344989  Bromus briziformis M. J. Williams 1969-6-14 s.n. Modoc Jess Valley 1524 Comment
  CAS-BOT-BC242428  Bromus carinatus var. carinatus Bruce Bartholomew; Barrett Anderson 1988-7-22 4487 Modoc Vicinity of East Creak Trailhead, southern end of the Warner Mts. 2210 Comment
  JEPS69155  Bromus carinatus var. carinatus Leland S. Smith 1924-5-26 Modoc near Pit River Ranger Station Comment
  JEPS69182  Bromus carinatus var. carinatus Leland S. Smith 1917-7-10 104 Modoc Modoc National Forest, Granger Mill Granger Mill; Modoc National Forest, Granger Mill 1889 Comment
  UC1037132  Bromus carinatus var. carinatus Leo Whitney 1935-6-9 3207 Modoc White Horse Lake (Flat) near White Horse; White Horse Lake Comment
  UC162262  Bromus carinatus var. carinatus H. M. Hall and E. B. Babcock June, 1903 4247 Modoc Sierra Nevada Mountains, south-western Modoc County Sierra Nevada Mountains 1219 Comment
  UCD59141  Bromus carinatus var. marginatus Beecher Crampton; Carl Rimbey 1954-7-7 2130 Modoc West side of Cedar pass, Warner Mountains. 1889 Comment
  UCD59210  Bromus carinatus var. marginatus Beecher Crampton 1954-7-7 2127 Modoc West slope of Cedar Pass, Warner Mts. 1889 Comment
  CHSC85100  Bromus hordeaceus John Dittes; Josephine Guardino 1991-7-21 432 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
  UCD58838  Bromus inermis L. Whitney 1935-7-21 s.n. Modoc Happy Camp. Comment
  CAS-BOT-BC242463  Bromus japonicus Bruce Bartholomew; B. Anderson 1989-6-1 4754 Modoc ca. 0.5 km W of Davis Creek on road to S end of Goose Lake 1460 Comment
  CAS-BOT-BC242465  Bromus japonicus Leland S. Smith 1917-5-24 112 Modoc Joseph Creek. 1981 Comment
  SEINET3922999  Bromus japonicus Leo Whitney 1935-6-30 3351 Modoc Spaulding's Butte, 16 miles west-northwest of Canby.; 0 Comment
  UC1024902  Bromus madritensis subsp. rubens Leo Whitney 1935-5-21 3113 Modoc 15 mi nw of Canby (Modoc National Forest, Hackamore, Lake Joaquina); Modoc National Forest, Hackamore, Lake Joaquina 1463 Comment
  RSA534586  Bromus marginatus Bruce Bartholomew 1989-7-15 4994 Modoc Sweagert Flat. 567 Comment
  HSC80908  Bromus orcuttianus G. M. Riegel 1979-9-6 763 Modoc South Warner Mountains 509 Comment
  HSC9255  Bromus orcuttianus M. T. Milligan 1966-7-29 605 Modoc West slope of Eagle Peak 1921 Comment
  UC1037141  Bromus orcuttianus Leo Whitney 1935-7-1 3340 Modoc 15 mi nw of Canby (near Hackamore, Modoc National Forest, Spaulding's Butte); Modoc National Forest, Spaulding's Butte 1463 Comment
  JEPS73962  Bromus racemosus Frances D. Payne 1932-7-20 720 Modoc s and e of Alturas (Warner Mountains, Parker Creek); Warner Mountains, Parker Creek 1584 Comment
  UC1024892  Bromus racemosus Leo Whitney 1935-5-27 3122 b Modoc 2 mi n of Lookout Comment
  CAS-BOT-BC242460  Bromus suksdorfii Leland S. Smith 1922-7-20 1277 Modoc Rush Creek Ranger Station. 1905 Comment
  CAS-BOT-BC242454  Bromus tectorum Alan Ackerman Beetle 1941-6-29 2823 Modoc 15 mi. E of Alturas, road to Cedarville Pass. 1981 Comment
  CDA1859  Bromus tectorum A. A. Beetle 1941-6-29 2823 Modoc 15 miles east of Alturas, road to Cedarville Pass. Comment
  UC1024899  Bromus tectorum Leo Whitney 1935-5-19 3107 Modoc 15 mi nw of Canby (Modoc National Forest, Hackamore); Modoc National Forest, Hackamore 1463 Comment
  CAS-BOT-BC95095  Callitriche palustris Herbert Louis Mason; Verne Grant 1947-7-11 13366 Modoc By Jones Lane, off Highway 395, S of Alturas. Comment
  CAS-BOT-BC244938  Calochortus leichtlinii Elmer Ivan Applegate 1932-7-31 7958 Modoc Mill Creek Meadow. 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
  UC422982  Calochortus leichtlinii W. P. Taylor and H. C. Bryant 1910-7-13 Modoc Head of North Fork Parker Creek Warner Mountains 2286 Comment
  UC1748347  Calochortus longebarbatus var. longebarbatus J. D. Jokerst 1983-6-14 1841 Modoc NW of Adin (ca. 150 m. SW of the logging road) Comment
  CAS-BOT-BC242140  Calochortus macrocarpus Amos Arthur Heller 1940-6-29 15747 Modoc Hwy 299, 8 mi. W of Alturas. Comment
  CAS-BOT-BC242143  Calochortus macrocarpus Elmer Ivan Applegate 1932-7-9 7621 Modoc Surprise Valley, 5 mi. S of Fort Bidwell. Comment
  CAS-BOT-BC242145  Calochortus macrocarpus Roxana Stinchfield Ferris; L. Lorraine 1941-8-14 10609 Modoc Summit of Fandango Pass. 1889 Comment
  JEPS126501  Calochortus macrocarpus Jennifer Mueller 2016-8-15 CA 370 -245 Modoc From Fort Bidwell take the Cowhead Lake Road (County Road 1). Continue on this road until it becomes grave. Before the road enters Long Canyon. Comment
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Aug 3 2018
  JEPS17837  Calochortus macrocarpus W. L. Jepson 1918-8-7 7857 Modoc Mt. Bidwell 2072 Comment
  JEPS17723  Calochortus macrocarpus Rimo Bacigalupi with G. T. Robbins 1955-7-20 5384 Modoc 5.5 mi ne Alturas (near junction of Cedar Pass rd and U.S. Hwy 395) 1371 Comment
  JEPS114393  Calycadenia fremontii Lowell Ahart, John Dittes 2008-8-25 15294 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-BC197577  Calyptridium umbellatum Bruce Bartholomew; Barrett Anderson 1988-6-23 4243 Modoc 4.2 km NW of Day. 1020 Comment
  HSC25992  Calystegia occidentalis subsp. occidentalis D. H. Norris, S. Dowty, T. Nelson 1971-6-23 19480 Modoc Upper Rush Creek Campground, about 8 mi. N of Adin on Hwy. 299 Comment
  HSC6382  Calystegia occidentalis subsp. occidentalis M. T. Milligan 1965-6-30 387 Modoc E of Jess Valley. 1707 Comment
  POM71021  Calystegia occidentalis subsp. occidentalis Mrs. R. M. Austin 1895-07 422 Modoc Goose Lake Valley. Comment
  CAS-BOT-BC242133  Camassia quamash subsp. breviflora Bruce Bartholomew; Barrett Anderson 1988-5-12 4105 Modoc S side of Egg Lake. 1300 Comment
  CAS-BOT-BC493370  Camassia quamash subsp. breviflora Isabel T. Kelly 1930-1-1 11 Modoc Fort Bidwell Comment
  RSA59524  Camassia quamash subsp. breviflora E. K. Balls 1950-5-21 14816 Modoc Around South Fork Public Camp, South Fork Pit River, Likely to Jess Valley 1433 Comment
  CAS-BOT-BC58638  Camelina microcarpa John Thomas Howell 1934-6-30 12279 Modoc Duncan Horse Camp. 1355 Comment
  JEPS121200  Camelina microcarpa Lowell Ahart, John Dittes 2013-7-25 18951 Modoc About 100 yards N of the E-W fence, S edge of Ash Creek floodplain, NE of Patterson Homestead, E of Elkins Lane, 1.0 air mile S of County Road 87, 3.14 air miles W of Adin, Big Valley. Comment
  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
  HSC80894  Camissonia subacaulis G. M. Riegel 1980-7-22 918 Modoc S Warner Mtns. 2100 Comment
  CAS-BOT-BC191096  Camissonia subacaulis Leland S. Smith 1920-6-1 1155 Modoc Between Fort Bidwell and Cow Head Lake. 1859 Comment
  CAS-BOT-BC191097  Camissonia subacaulis Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-14 16481 Modoc Along Lassen Creek, on road to Davis Creek. Comment
  POM38108  Camissonia subacaulis C. C. Bruce 1898-06 2203 Modoc Lake City Mt. Comment
  CAS-BOT-BC191076  Camissonia tanacetifolia subsp. tanacetifolia M. M. Hanna 1956-6-7 1005 Modoc Junction of Hwy 139 and Glass Mt. Road. Comment
  CAS-BOT-BC191077  Camissonia tanacetifolia subsp. tanacetifolia Mrs. H. C. Cantelow 1940-5-31 s.n. Modoc 0.8 mi. E of Canby. Comment
  RSA518987  Camissonia tanacetifolia subsp. tanacetifolia Barbara Ertter 1988-6-18 7606 Modoc West side of Highway 139 just south of where it crosses railroad at junction to Clear Lake, northeast of Dry Lake east of Lava Beds National Monument. 1250 Comment
  RSA59843  Camissonia tanacetifolia subsp. tanacetifolia E. K. Balls 1950-5-17 14727 Modoc South shore, Clear Lake Bird Refuge 1381 Comment
  JEPS53291  Capsella bursa-pastoris Frances D. Payne 1931-6-17 177 Modoc s and e of Alturas (Parker Creek); Warner Mountains, Parker Creek 1584 Comment
  RSA27230  Cardamine breweri C. L. Hitchcock 1940-5-27 6712 Modoc 15 miles NE of Alturas. Comment
  CAS-BOT-BC58430  Cardamine breweri var. breweri Roxana Stinchfield Ferris; R. Duthie 1919-6-13 46 Modoc Parker Creek near Modoc National Forest Boundary. Comment
  CAS-BOT-BC58431  Cardamine breweri var. breweri Louis Cutter Wheeler 1935-8-16 3864 Modoc Dismal Swamp, Warner Mts. 2225 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
  CDA42987  Cardaria pubescens L. Ahart 2008-8-25 15287 Modoc On the west bank of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout. Comment
  CDA3734  Cardaria pubescens T. C. Fuller 1959-7-8 4714 Modoc Highway 139, chain station, 5.4 miles north of Canby. 0 Comment
  UC1024320  Carex angustata Annie M. Alexander and Louise Kellogg 1946-6-15 4777 Modoc Deep Creek 2133 Comment
  CAS-BOT-BC242372  Carex athrostachya Annie Montague Alexander; L. Kellogg 1946-7-18 5023 Modoc Benton Meadow. 2072 Comment
  HSC7053  Carex athrostachya M. T. Milligan 1966-6-30 507 Modoc Slopes and ridges E of Jess Valley 1768 Comment
  UC1537644  Carex athrostachya Gordon H. True Jr. 1939-6-13 997 Modoc near Likely; Pit River Comment
  CDA33031  Carex barbarae T. C. Fuller 1964-10-8 12702 Modoc West side of Highway 395 at southern limits of Likely. 0 Comment
  RSA59357  Carex douglasii E. K. Balls 1950-5-10 14601 Modoc 1 mile E of Eagleville, between Middle and Lower Lakes. 1402 Comment
  RSA59541  Carex douglasii E. K. Balls 1950-5-17 14732 Modoc Foot of south slope Double Head, Modoc National Forest, south of Clear Lake. 1463 Comment
  UC1736044  Carex heteroneura Dean W. Taylor 1989-8-4 10431 Modoc Warner Mountains; Emerson Creek, 0.5 miles upstream from the campground by trail. 1965 Comment
  CAS-BOT-BC245186  Carex hoodii Bruce Bartholomew; Barrett Anderson 1988-6-24 4359 Modoc Vicinity of Patterson Campground, southern end of the Warner Mts.. 2190 Comment
  UC1036068  Carex hoodii Annie M. Alexander and Louise Kellogg 1946-7-19 5031 Modoc Benton Meadow Warner Mountains 2072 Comment
  RSA101501  Carex illota R. Weatherby 1955-7-7 1603 Modoc Dismal Swamp, northern Warner Mountains. 2241 Comment
  UC1158683  Carex lenticularis var. lipocarpa Arthur Cronquist, Arthur H. Holmgren 1959-6-19 8499 Modoc 15 mi e of Likely (just above Clear Lake, Warner Mountains, along Mill Creek); Warner Mountains, Mill Creek 1828 Comment
  CAS-BOT-BC31619  Carex luzulina var. luzulina Annie M. Alexander; Louise Kellogg 1946-7-19 5032 Modoc Benton Meadow, Warner Mts. 2072 Comment
  HSC48330  Carex mariposana D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19362 Modoc Along the S Fork of the Pit River, ~6 mi. E of Likely. Comment
  CAS-BOT-BC245181  Carex multicaulis John H. Hatton 1911-6-15 116 Modoc Near Huffman's ranch. 1493 Comment
  CAS-BOT-BC245164  Carex nebrascensis R. L. Ward 1976-5-18 s.n. Modoc Pine Spring. 1508 Comment
  RSA0058899  Carex nebrascensis Lowell A. Ahart, John Dittes 2011-6-21 17522 Modoc About 30 yards west of the fence, meadow like area in uplands south of the big meadow, Ash Creek State Wildlife Area, about 1,000 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 0.8 miles (air) northeast of Bieber, Big Valley. 1268 Comment
  UC1100493  Carex nebrascensis Herbert L. Mason 1947-8-13 13539 Modoc n of Canby (ne side of F reservoir) Comment
  UC1100496  Carex nebrascensis Herbert L. Mason, Verne Grant 1947-7-10 13354 Modoc 1/4 mi w Dorris Reservoir (2 mi e of Alturas) Comment
  UC190427  Carex nebrascensis M. S. Baker and Frank Nutting 1894-6-4 Modoc Hot Spring Valley Comment
  JEPS63608  Carex pachystachya Frances D. Payne 1932-7-21 725 Modoc Patterson Lake Warner Mountains, Mt. Warren, Patterson Lake Comment
  CAS-BOT-BC242356  Carex pellita Peter Hamilton Raven; Otto Thomas Solbrig 1958-6-17 13306 Modoc Along Hwy 299, 2.6 mi. W of Alturas. Comment
  UC826624  Carex pellita John Thomas Howell 1934-6-16 12207 Modoc Parker Creek Warner Mts. 1584 Comment
  RSA43288  Carex pellita A. M. Alexander, Louise Kellogg 1946-7-7 4931 Modoc Eight Mile Creek. Comment
  RSA180150  Carex petasata Clare B. Hardham 1961-6-17 7808 Modoc North Fork of the Pitt River, 3.3 miles S of junction of 395 and 8A Comment
  CAS-BOT-BC245155  Carex praegracilis B. Bartholomew; B. Anderson 1989-6-1 4757 Modoc ca. 0.5 km W of Davis Creek on road to W end of Goose Lake 1460 Comment
  CHSC108008  Carex praegracilis Lowell Ahart; John Dittes 2011-6-21 17511 Modoc About 200 yards west of the fence, south edge of the meadow, Ash Creek State Wildlife Area, about 2,000 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  CHSC109464  Carex rossii L. P. Janeway; B. Castro 2012-7-26 11015 Modoc Warner Mountains. Top of Yellow Mountain; topmost part and western edge (at the edge of a steep dropoff to the northwest). 2463 Comment
  CHSC67137  Carex rossii James D. Jokerst 1987-5-14 2877 Modoc Radar Survey Site S of Doublehead Mtn., S of Clear Lake Reservoir, E and ad-jacent to SW-NE oriented fence. 1348 Comment
  CAS-BOT-BC242351  Carex scopulorum var. bracteosa Annie Montague Alexander; L. Kellogg 1946-6-28 4856 Modoc Pine Creek Canyon. 2103 Comment
  CHSC109478  Carex scopulorum var. bracteosa L. P. Janeway; B. Castro 2012-7-27 11020 Modoc Warner Mountains. North-sloping meadow opening just above Mineral spring, 0.5 air km east of Yellow Mountain. 2361 Comment
  UC1537640  Carex simulata Gordon H. True Jr. 1939-8-16 1001 Modoc near Canby; Pit River Comment
  CAS-BOT-BC117016  Carex straminiformis Elmer Ivan Applegate 1932-8-1 8063 Modoc Summit of Warner Mountains just S of Warren Peak. Comment
  UC1024339  Carex straminiformis Annie M. Alexander and Louise Kellogg 1946-7-23 5048 Modoc near summit Emerson Peak; Warner Mountains 2749 Comment
  CAS-BOT-BC245150  Carex subfusca Bruce Bartholomew 1989-8-12 5115 Modoc South Fork of Pine Creek just N of trailhead to Pine Creek Basin, W side of Warner Mts. 2010 Comment
  CAS-BOT-BC242399  Carex utriculata Robert Folger Thorne; C. W. Tilforth 1969-7-5 39165 Modoc Clear Lake. 1767 Comment
  CAS-BOT-BC245142  Carex utriculata Robert Folger Thorne; C. W. Tilforth 1969-9-5 39157 Modoc Margin of Clear Lake, Warner Mts. 1767 Comment
  UC1024341  Carex vernacula Annie M. Alexander and Louise Kellogg 1946-7-30 5100 Modoc under Eagle Peak; Warner Mountains Comment
  CAS-BOT-BC242392  Carex whitneyi Annie Montague Alexander; L. Kellogg 1946-7-18 5018 Modoc Benton Meadow area. 2072 Comment
  CDA41343  Castilleja angustifolia T. C. Fuller 1958-7-8 2036 Modoc Davis Creek. 0 Comment
  RSA59869  Castilleja angustifolia E. K. Balls 1950-5-11 14607 Modoc W of Middle Lake. Between Eagleville and Cedarville. 1433 Comment
  CAS-BOT-BC225988  Castilleja applegatei subsp. pinetorum Mrs. H. C. Cantelow 1940-6-1 4368 Modoc Cedar Pass, Warner Mountains 1935 Comment
  CAS-BOT-BC229813  Castilleja applegatei subsp. pinetorum Bruce Bartholomew; Barrett Anderson 1988-6-24 4363 Modoc Vicinity of Patterson Campground, southern end of the Warner Mts.. 2190 Comment
  CAS-BOT-BC229815  Castilleja applegatei subsp. pinetorum Bruce Bartholomew; Barrett Anderson 1988-7-21 4458 Modoc Vicinity of Patterson Campground, southern end of the Warner Mts. 2190 Comment
  CAS-BOT-BC229820  Castilleja applegatei subsp. pinetorum C. C. (Mrs.) Bruce 1893-6-1 95 Modoc Davis Creek. 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
  HSC1973  Castilleja applegatei subsp. pinetorum M. T. Milligan 1966-6-28 483 Modoc Volcanic plateau W of Jess Valley. 1829 Comment
  HSC20536  Castilleja applegatei subsp. pinetorum M. T. Milligan 1964-6-17 38 Modoc 1 mi. N of Hwy. 139 on FS Rd. 44N15 1524 Comment
  RSA101380  Castilleja applegatei subsp. pinetorum R. Weatherby 1955-7-8 1634 Modoc 3 mi. north of Ft. Bidwell, northern Warner Mts. 1555 Comment
  UC171026  Castilleja applegatei subsp. pinetorum B. C. Goldsmith May 1912 73 Modoc Warner Mts. Comment
  UC71632  Castilleja applegatei subsp. pinetorum Mrs. M. H. Manning 1902-10-11 43 Modoc Warner Mts Warner Mts. (ne Modoc County) Comment
  HSC20572  Castilleja applegatei subsp. pinetorum M. T. Milligan 1965-7-27 354 Modoc 1677 Comment
  UC1599352  Castilleja applegatei subsp. pinetorum Milo S. Baker 1898-6 Modoc Comment
  JEPS28981  Castilleja arachnoidea Frances D. Payne 1931-6-29 310 Modoc e slope Mt. Warren; Warner Range, Mt. Warren 2286 Comment
  HSC20867  Castilleja lacera M. T. Milligan 1964-7-1 120 Modoc W end of Ballard's Reservoir, along shore. 1372 Comment
  JEPS86371  Castilleja lacera Jack and Betty Guggolz 1988-6-30 969 Modoc near Old Canyon Mill Road Comment
  UC733140  Castilleja linariifolia Elmer I. Applegate 1929-7-28 6082 Modoc n of Clear Lake Comment
  JEPS10874  Castilleja miniata L. S. Smith 1917-7-18 839 Modoc Soldiers Creek Comment
  UC444891  Castilleja miniata W. P. Taylor and H. C. Bryant 1910-6-26 Modoc Parker Creek; Warner Mountains 1676 Comment
  JEPS3899  Castilleja miniata Annie M. Alexander and Louise Kellogg 1946-7-12 4978 Modoc Cowhead Lake Comment
  CAS-BOT-BC241014  Castilleja pilosa Alice Eastwood; John Thomas Howell 1940-6-14 8215 Modoc 8 miles nw. of Canby Comment
  CAS-BOT-BC226069  Castilleja tenuis Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10555 Modoc Patterson Ranger Station (East Creek drainage), Modoc National Forest, Warner Mountains. 2164 Comment
  CAS-BOT-BC226078  Castilleja tenuis Clare Butterworth Hardham 1961-6-18 7804 Modoc Lava Flows, N Fork Pit River, 3.3 mi SW of Cedar Pass. 1371 Comment
  HSC75904  Castilleja tenuis D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19434 Modoc Near Hager Reservoir Comment
  JEPS79118  Castilleja tenuis L. R. Heckard with R. Bacigalupi 1980-6-10 5220 Modoc sw margin Egg Lake (now dry); Egg Lake Comment
  HSC18324  Ceanothus prostratus M. T. Milligan 1964-6-25 91 Modoc Upper Lassen Creek 1829 Comment
  JEPS42256  Ceanothus prostratus Milo S. Baker 1893-6 Modoc Forestdale Comment
  RSA59733  Ceanothus prostratus E. K. Balls 1950-5-20 14799 Modoc Above Mill Creek Falls Public Camp on way from likely to Clear Lake 1738 Comment
  UC18392  Ceanothus prostratus Milo S. Baker 1893-6 Modoc Red Soil 1524 Comment
  CHSC111400  Centaurea cyanus Lowell Ahart; John Dittes 2012-7-12 18379 Modoc On dry rocky bare soil, on the east side of Elkins Lane, about 100 yards north of the bridge across Ash Creek, Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1262 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
  CDA36158  Centaurea diffusa C. Pirosko Jul 2003 s.n. Modoc 0 Comment
  CDA7215  Centaurea diffusa Loring White 1959-8-19 Modoc West of Canby. 0 Comment
  JEPS114495  Centaurea virgata subsp. squarrosa Lowell Ahart, John Dittes 2008-8-25 15300 Modoc In the middle of a poor dirt road, on the west side of the Pit River, about 1/8 mile east of County Road 91,about 3.8 miles (air) north-northeast of Lookout 1273 Comment
  RSA0118782  Centromadia pungens subsp. pungens Lowell A. Ahart, John Dittes 2013-7-25 18957 Modoc Along the north-south fence, south edge of Ash Creek Floodplain, northwest of Patterson Homestead, east of Elkins Lane, 1.0 mile (air) south of County Road 87, 3.14 miles (air) west of Adin, Big Valley. 1268 Comment
  CAS-BOT-BC181985  Cercis occidentalis Bruce Bartholomew; Barrett Anderson 1988-6-23 4228 Modoc 2.1 km SSE of Day on the road to State Highway 299. 1020 Comment
  CHSC100419  Cercocarpus betuloides var. macrourus Lowell Ahart; John Dittes 2008-8-26 15357 Modoc Southeast side of Rose Creek, 750 feet southwest of confluence of Rose Creek and Pit River, on the southeast side of unnamed road, 2660 feet east of intersection with County Road 85a, 0.3 miles (air) north-northeast of Lookout. 1276 Comment
  UC114145  Cercocarpus betuloides var. macrourus Milo S. Baker 1893-6 Modoc Modoc Co. Comment
  NY848750  Cercocarpus ledifolius var. intermontanus B. Anderson 1986-7-10 3194 Modoc Warner Mountains. West Warner road north of the North Fork of Pine Creek 1965 Comment
  CAS-BOT-BC197530  Cercocarpus ledifolius var. ledifolius Barrett Anderson 1986-7-10 3194 Modoc West Warner Rd N of the North Fork of Pine Creek. 1965 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-BC248320  Cercocarpus ledifolius var. ledifolius B. Bartholomew; H. Sun 2002-6-24 8866 Modoc Fandango Pass on the E side of the Warner Mountains near the crest of the mountains 1820 Comment
  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
  CAS-BOT-BC197535  Cercocarpus ledifolius var. ledifolius John H. Hatton 1911-6-12 36 Modoc Modoc County. 1524 Comment
  CAS-BOT-BC497219  Chaenactis douglasii Margaret J. Williams; Arnold Tiehm; Jan Nachlinger 1988-6-2 88- 27 -3 Modoc Hwy 395, 0.4 mi E of Susanville road after turn to Alturas Comment
  UC1035971  Chamaesaracha nana Helen K. Sharsmith 1955-6-26 4509 Modoc ca 20 mi n Canby (adjacent to Highway 39); Modoc National Forest 1524 Comment
  RSA432488B  Chamaesyce serpillifolia L. C. Wheeler 1935-8-3 3768 Modoc Pine Creek, Warner Mts. 1555 Comment
  JEPS117378  Chamaesyce serpillifolia subsp. serpillifolia Lowell Ahart, John Dittes 2010-8-30 17054 Modoc About 10 yards west of the fence, south edge of the meadow, Ash Creek State Wildlife Area, 2300 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley 1267 Comment
  UC17672  Chamaesyce serpyllifolia Milo S. Baker 1893-7-25 Modoc on island Egg Lake Comment
  JEPS39322  Chamerion angustifolium subsp. circumvagum W. L. Jepson 1918-8-9 7915 Modoc Ft. Bidwell 1432 Comment
  CAS-BOT-BC95520  Chenopodium berlandieri John Thomas Howell 1934-7-1 12308 Modoc Duncan Horse Camp. 1355 Comment
  CAS-BOT-BC95521  Chenopodium foliosum Leland S. Smith 1920-8-12 21 Modoc Cantrall's Mill. 1828 Comment
  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
  NY537067  Chenopodium glaucum L. C. Wheeler 1935-8-18 3892 Modoc 2 miles northeast of Alturas Comment
  SFV7751  Chenopodium leptophyllum T. Gordon, K. Kimbrough 1975-8-15 1217 Modoc Just east of the entrance to Lava Beds National Monument. 1280 Comment
  POM103304  Chenopodium simplex Mrs. R. M. Austin 1895-07 420 Modoc Goose Lake Comment
  CAS-BOT-BC95662  Chimaphila menziesii Annie Montague Alexander; L. Kellogg 1946-7-24 5063 Modoc Bear Camp Flat. Comment
  UC412889  Chimaphila umbellata Franklin P. Nutting Aug 20 1900-Aug 30 1900 Modoc Big Valley Mts. near Forestdale; Big Valley Mts. Comment
  UC412890  Chimaphila umbellata Franklin P. Nutting 1900-8-20 Modoc near Forestdale Comment
  POM57302  Chrysanthemum segetum M. S. Baker s.n. Modoc [Unspecified] Comment
  RSA67197  Chrysothamnus nauseosus subsp. albicaulis P. A. Munz 1951-9-14 16980 Modoc Jess Valley, Warner Mts. 1616 Comment
  CAS-BOT-BC15035  Chrysothamnus nauseosus subsp. consimilis Francis Dorris Payne 1931-9-18 341 Modoc Parker Creek, Warner Mountains 1584 Comment
  SEINET7450729 Image available Chrysothamnus viscidiflorus subsp. latifolius M. J. Williams, G. Smith 1983-9-13 83- 153 -1 Modoc 1.6 miles beyond campground on Stowe Reservoir road, north of Cedar Pass Rd., Warner Mountains 2012 Comment
  UCR57482  Chrysothamnus viscidiflorus subsp. latifolius R. D. Goeden, D. Ricker 1989-8-23 890823- 19 Modoc Warner Mtns., Modoc National Forest, Fandango Pass, just west of Warner Mtn. 1841 Comment
  CAS-BOT-BC14987  Chrysothamnus viscidiflorus subsp. viscidiflorus Elmer Ivan Applegate 1936-9-23 11076 Modoc South base of Caldwell Butte, Lava Beds National Monument. Comment
  CAS-BOT-BC14989  Chrysothamnus viscidiflorus subsp. viscidiflorus Elmer Ivan Applegate 1935-8-3 10001 Modoc North Boundary - Lyon, Lava Beds National Monument. Comment
  HSC5349  Chrysothamnus viscidiflorus subsp. viscidiflorus M. T. Milligan 1966-7-28 597 Modoc E slope eroded volcanic plateau 1677 Comment
  RSA67198  Chrysothamnus viscidiflorus subsp. viscidiflorus P. A. Munz 1951-9-14 16979 Modoc Jess Valley, S Warner Mts. 1631 Comment
  RSA281658  Chrysothamnus viscidiflorus subsp. viscidiflorus S. O. Mattoon 1979-7-11 102 Modoc Hwy. 139, 4 road miles north of county Road 91; Modoc Plateau 1463 Comment
  CDA38303  Cicuta douglasii T. C. Fuller 1959-7-8 s.n. Modoc 3.4 miles east of Tulelake. 0 Comment
  RSA520382  Circaea alpina subsp. pacifica Bruce Bartholomew, B. Anderson 1990-7-20 5535 Modoc Buck Creek between Del Pratt Spring and Howard Flat, W side of Warner Mtns 1990 Comment
  CAS-BOT-BC14956  Cirsium arvense W. T. Parsons; Thomas C. Fuller 1960-7-26 4872 Modoc Hwy 139, 1.5 mi. S/Tulelake. Comment
  CHSC106319  Cirsium arvense Lowell Ahart; John Dittes 2010-8-31 17105 Modoc About 20 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
  UC1276069  Cirsium arvense Loring White 1959-7-2 Modoc 1.5 mi s Tule Lake Comment
  CDA1164  Cirsium cymosum T. C. Fuller 1958-7-8 1932 Modoc Likely/Alturas. 0 Comment
  JEPS59284  Cirsium cymosum var. cymosum W. L. Jepson 1918-8-7 7888 Modoc Mt. Bidwell 2505 Comment
  CAS-BOT-BC14930  Cirsium occidentale var. candidissimum Edward Kent Balls; Percy C. Everett 1952-10-11 18157 Modoc 1 mi. SE of crest of Fandango Pass, Warner Mountains 1706 Comment
  CAS-BOT-BC14931  Cirsium occidentale var. candidissimum Annie Montague Alexander; L. Kellogg 1946-6-18 4803 Modoc Patterson Mill-Silver Creek roads. Comment
  CAS-BOT-BC14932  Cirsium occidentale var. candidissimum Robert Folger Thorne; C. W. Tilforth 1969-9-5 39183 Modoc 3.3 mi. N of Likely. 1356 Comment
  HSC81012  Cirsium occidentale var. candidissimum G. M. Riegel 1980-7-15 908 Modoc South Warner Mtns. 2100 Comment
  JEPS59227  Cirsium occidentale var. candidissimum F. H. Frost 1925-7-11 16 Modoc Cedar Canyon campsite 2 mi above Cedarville Comment
  UC912665  Cirsium occidentale var. candidissimum F. H. Frost 1925-7-11 16 Modoc 2 mi above Cedarville; Warner Mts., Cedar Canyon Comment
  RSA0070698  Cirsium occidentale var. candidissimum F. H. Frost 1925-7-11 16 Modoc Cedar Canyon campsite, 2 miles above Cedarville. Comment
  UC91793  Cirsium occidentale var. candidissimum Mrs. R. M. Austin Jun 1894 Modoc Comment
  CDA31791  Cirsium ochrocentrum K. Haas 2007-2-6 PDR# 1402971 Modoc County Rd 1, Cedarville 0 Comment
  CDA20568  Cirsium scariosum C. Pirosko 2005-6-24 PDR 1303857 Modoc Modoc Plateau; Fandango Area on the west side of Warner Mnts, near CA/OR border. 0 Comment
  CAS-BOT-BC191071  Clarkia gracilis subsp. gracilis Bruce Bartholomew 1990-6-18 5391 Modoc Turner Creek at County Rd 90, N end of Big Valley, 6.4 km N of Lassen County border. 1230 Comment
  RSA27680  Clarkia gracilis subsp. gracilis C. L. Hitchcock 1940-5-28 6729 Modoc 15 miles north of Alturas, (near Surprise). 1402 Comment
  CAS-BOT-BC191052  Clarkia lassenensis John Thomas Howell 1934-6-13 12069 Modoc Fandango Pass. 1828 Comment
  SD133952  Clarkia lassenensis Barbara Ertter 1988-6-18 7622 Modoc Highway 139 circa 50 airmiles southwest of Klamath Falls, a few miles north of Agriculture Inspection Station, 1 mile south of south junction to Lava Beds National Monument east of Tonesta; 1310 Comment
  UC1586086  Clarkia lassenensis Barbara Ertter 1988-6-18 7622 Modoc Hwy 139 ca. 50 airmiles s.w. Klamath Falls (a few mi. n. of Agric. Inspection Sation, 1 mi. s. of s. junction ot Lava Beds Nat'l Monument, e. of Tonesta) 1310 Comment
  UC422930  Clarkia lassenensis Milo S. Baker Aug. 1898 525 Modoc Forestdale Taylor Mt. Comment
  UC1184379  Clarkia lassenensis Peter H. Raven with Otto T. Solbrig 1958-6-18 13314 Modoc Cottonwood Flat Camp Ground Modoc National Forest Comment
  HSC16260  Clarkia purpurea subsp. quadrivulnera M. T. Milligan 1964-7-20 158 Modoc N end of Jess Valley, near Mill Creek. 1677 Comment
  CAS-BOT-BC191040  Clarkia rhomboidea Bruce Bartholomew 1989-7-15 5004 Modoc Sweagert Flat. 1860 Comment
  CAS-BOT-BC191043  Clarkia rhomboidea Barrett Anderson 1986-7-9 3175 Modoc Stough Reservoir Rd just E of Cedar Pass near Stough Reservoir. 1965 Comment
  CAS-BOT-BC191045  Clarkia rhomboidea Robert J. Weatherby 1955-7-8 1622 Modoc 6 mi. N of Ft Bidwell. 1737 Comment
  RSA323621  Clarkia rhomboidea Arnold Tiehm 1984-6-30 8839 Modoc NW side of Bidwell Mt., 2.8 road miles north of 8 mile creek on the road from Lake Annie. 1829 Comment
  CDA38042  Clarkia rhomboidea J. Elliot 1975-7-3 s.n. Modoc Forestry road, 2 mile north of Joseph Creek Basin, northeast of Alturas, Modoc National Forest. 0 Comment
  RSA646254  Clarkia rhomboidea Peter H. Raven, Otto T. Solbrig 1958-6-18 13309 Modoc Cottonwood Flat Camp Ground, Modoc National Forest Comment
  CAS-BOT-BC197445  Claytonia lanceolata Annie Montague Alexander; L. Kellogg 1946-6-15 4773 Modoc Deep Creek. 2133 Comment
  CAS-BOT-BC248356  Claytonia lanceolata B. Bartholomew; H. Sun 2002-6-24 8839 Modoc Ca. 1 km NW of Bald Mt., E side of the Warner Mountains 2290 Comment
  NY497246  Claytonia lanceolata B. M. Bartholomew 1988-5-13 4161 Modoc 4 km northwest of Pepperdine, slope near top of the Warner Mountains 1760 Comment
  SEINET188374 Image available Claytonia lanceolata C. L. Hitchcock 1940-5-27 6717 Modoc 15 miles northeast of Alturas 1980 Comment
  UC65056  Claytonia lanceolata Milo S. Baker 1890-5-15 79 Modoc Forestdale Comment
  CAS-BOT-BC197440  Claytonia megarhiza Elmer Ivan Applegate 1932-8-3 8125 Modoc Summit of Eagle Peak, Warner Mts. 2743 Comment
  CAS-BOT-BC197433  Claytonia perfoliata subsp. intermontana Bruce Bartholomew 1990-6-17 5309 Modoc Vicinity of Emerson Camp near roadhead, E side of Warner Mts. 1750 Comment
  RSA152453  Claytonia rubra I. L. Wiggins, Dorothy Wiggins, Elizabeth Wiggins 1961-6-12 16418 Modoc Mountainside near summit of Cedar Pass, between Alturas and Cedarville Comment
  CAS-BOT-BC197471  Claytonia rubra subsp. rubra Bruce Bartholomew 1990-6-15 5228 Modoc S end of Deer Spring Ridge, 0.2 km N of turn off to Knox Flat. 1920 Comment
  UC13644  Claytonia umbellata Milo S. Baker 1893-1 Modoc 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-BC229857  Collinsia parviflora F. Angwin 1946-4-6 s.n. Modoc Yowell Ranch, Adin. 1371 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
  JEPS86353  Collinsia parviflora Jack and Betty Guggolz 1988-6-28 953 Modoc w Jenkins Sping Comment
  SEINET10317272 Image available Collinsia parviflora B. Bartholomew 1991-6-20 5780 Modoc NE side of Barber Ridge, 10 lm NW of Adin on road to Fox Mountain 1580 Comment
  RSA152423  Collinsia parviflora I. L. Wiggins, Dorothy Wiggins 1961-6-12 16430 Modoc Near summit of Cedar Pass, between Alturas and Cedarville. 1921 Comment
  RSA531341  Collinsia parviflora Bruce Bartholomew, M. Bourell 1990-4-26 5158 Modoc 0.5 km S of Day. 1100 Comment
  CAS-BOT-BC229872  Collinsia torreyi Bruce Bartholomew 1993-6-12 6596 Modoc Above the road to Day Rock from Little Hot Spring Valley. 1260 Comment
  CAS-BOT-BC190729  Collomia grandiflora Annie Montague Alexander; L. Kellogg 1946-7-7 4952 Modoc Eight Mile Creek, NE corner of county. 1752 Comment
  CAS-BOT-BC190737  Collomia grandiflora Bruce Bartholomew 1989-7-15 5005 Modoc Sweagert Flat. 1860 Comment
  CAS-BOT-BC190741  Collomia grandiflora James D. Jokerst 1983-7-27 61021 Modoc Near Signal Butte. 1248 Comment
  CAS-BOT-BC190736  Collomia grandiflora Mrs. H. C. Cantelow 1940-5-31 4107 Modoc E of Canby. Comment
  HSC16918  Collomia grandiflora R. C. Wunner 1965-6-20 310 Modoc Lava Beds National Monument; Indian Well near Supt. residence area 1463 Comment
  UC71714  Collomia grandiflora Mrs. M. H. Manning 1903-10-11 35 Modoc ne Modoc County Warner Range 1828 Comment
  CAS-BOT-BC190719  Collomia linearis John Thomas Howell 1934-6-11 11961 Modoc Parker Creek, Warner Mts. 1584 Comment
  HSC16931  Collomia linearis M. T. Milligan 1966-7-3 527 Modoc Slopes and ridges E of Jess Valley 1829 Comment
  JEPS71051  Collomia linearis Leland S. Smith 1918-7-15 1000 Modoc Mill Creek Corral-Pasture Modoc <National> Forest, Warner Mts. (w slope to flats) Comment
  CAS-BOT-BC190709  Collomia tinctoria Bruce Bartholomew 1992-5-17 6344 A Modoc SW side of White Horse Mountains, SW of White Horse Flat Reservoir. 1460 Comment
  CHSC100013  Conium maculatum Lowell Ahart; John Dittes 2008-8-25 15280 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-BC14946  Conyza canadensis Bruce Bartholomew 1994-10-9 6892 Modoc Goose Lake, 19.2 km N of McGinty Point on road to the Oregon border. 1460 Comment
  UC1587092  Cordylanthus maritimus subsp. canescens G. Schoolcraft 1991-7-24 2185 Modoc ne Middle Alkali Lake; Leonard Hot Spring 1386 Comment
  CAS-BOT-BC229879  Cordylanthus ramosus Louis Cutter Wheeler 1935-8-20 3899 Modoc Pine Spring, Devil's Garden. 1524 Comment
  CAS-BOT-BC229880  Cordylanthus ramosus Louis Cutter Wheeler 1935-8-20 3899 Modoc Pine Spring, Devil's Garden. 1524 Comment
  JEPS16278  Cordylanthus ramosus Mrs. R. M. Austin July, 1894 245 Modoc Goose Lake Valley Comment
  RSA763574  Cornus glabrata Doris Bowers 1972-9-2 1895 Modoc Upper Camp, Rush Creek, N/o Adin 1220 Comment
  UC21513  Cornus sericea subsp. sericea Mrs. R. M. Austin and Bruce June 1898 2350 Modoc Lake City Canyon Comment
  CHSC100512  Crataegus castlegarensis Lowell Ahart; John Dittes 2008-8-26 15334 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
  HSC81021  Crepis acuminata G. M. Riegel 1979-7-14 544 Modoc South Warner Mtns. 1739 Comment
  JEPS36469  Crepis acuminata L. S. Smith 1918-7-11 983 Modoc Mill Creek Modoc <National> Forest (Sec 22) 2133 Comment
  UC31287  Crepis acuminata Milo S. Baker 1893-6 Modoc Lava beds Comment
  UC581221  Crepis intermedia G. L. Stebbins Jr. and J. A. Jenkins 1937-7-15 2376 Modoc Shaeffer Mountain; s side 1670 Comment
  RSA95139  Crepis intermedia F. W. Peirson 1926-6-25 6873 Modoc Summit of grade, Cedarville Pass, Warner Mountains. Comment
  CAS-BOT-BC14882  Crepis modocensis Alice Eastwood; John Thomas Howell 1940-6-13 8148 Modoc Fandango Pass. Comment
  CAS-BOT-BC14914  Crepis modocensis Alice Eastwood; John Thomas Howell 1940-6-12 8091 Modoc Jess Valley. 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
  UC581244  Crepis modocensis E. B. Babcock and G. L. Stebbins Jr. 1936-6-9 1807 Modoc about 3 mi w Cedarville; Warner Mountains, Cedar Creek Canyon Comment
  CAS-BOT-BC14880  Crepis modocensis subsp. subacaulis Bruce Bartholomew 1990-6-17 5353 Modoc 7.2 km N of Buck Creek Ranger Station, W side of Warner Mountains. 1950 Comment
  CAS-BOT-BC14881  Crepis modocensis subsp. subacaulis Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16389 Modoc 5 mi. E of State Hwy 299 along Cedar Pass Road. Comment
  CAS-BOT-BC14913  Crepis modocensis subsp. subacaulis E. S. Willits 1940-5-6 228 Modoc Davis Creek. 1371 Comment
  CHSC59501  Crepis occidentalis Mary Meyer 1980-5-1 Modoc Sand Creek. 1645 Comment
  JEPS36448  Crepis occidentalis Frances D. Payne 1932-6-10 629 Modoc Parker Creek Warner Mts. 1584 Comment
  CAS-BOT-BC95593  Cressa truxillensis Bruce Bartholomew 1991-8-4 6014 Modoc W side of Goose Lake, 10.5 km N of McGinty Point. 1460 Comment
  CAS-BOT-BC95594  Cressa truxillensis R. M. Austin 1894-8-1 s.n. Modoc Davis Creek. Comment
  CAS-BOT-BC14837  Crocidium multicaule Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-11 6484 Modoc 2.4 km E of Crowder Flat Road on road to S end of Big Sage Reservoir. 1620 Comment
  UC1179049  Crocidium multicaule Herbert L. Mason 1949-4-16 13997 Modoc mesa e of Alturas Comment
  CAS-BOT-BC218202  Croton setiger Bruce Bartholomew 1989-7-14 4955 Modoc Survice Gulch ca. 3 km NE of Egg Lake. 1340 Comment
  SEINET5343801 Image available Crupina vulgaris G. Schoolcraft 1993-6-17 2297 Modoc NE of Adin on S. side of Hunter Ridge 1646 Comment
  JEPS121229  Crypsis alopecuroides Lowell Ahart, John Dittes 2013-7-24 18932 Modoc About 50 yards S of the levee road, N side of Ash Creek Floodplain, 0.54 air miles SE of Pilot Butte parking area, 1.1 air miles S of County Road 87, 6.8 air miles W of Adin, Big Valley. Comment
  UC1140902  Crypsis vaginiflora L. Whitney 1935-7-21 3563 Modoc Stone Coal Valley Pit River Comment
  CAS-BOT-BC54129  Cryptantha affinis Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10529 Modoc Patterson Ranger Station (East Creek drainage), Warner Mountains 2164 Comment
  SJSU11366  Cryptantha ambigua J. W. Tilden 1958-6-25 1263 Modoc Lava Caves near Monument Hdqtrs, Lava Bed National Monument Comment
  UC1478049  Cryptantha celosioides Gregg Riegel 1980-7-14 877 Modoc 0.5 mi nw Emerson Trail Head Rd. (from Sec 10 and 11, S Warner Mt. Wilderness Area); Modoc National Forest, Warner Mt. Wilderness Area 1889 Comment
  NY1154582  Cryptantha circumscissa B. M. Bartholomew 1991-5-24 5703 Modoc Surprise Valley, 6.6 km east of Eagleville 1390 Comment
  CAS-BOT-BC54101  Cryptantha intermedia John Thomas Howell 1934-6-11 11983 Modoc Parker Creek, Warner Mountains 1584 Comment
  CAS-BOT-BC54102  Cryptantha intermedia Harry Dwight Dillon Ripley; Rupert Charles Barneby 1944-5-31 5989 Modoc NW of Alturas. 1371 Comment
  CAS-BOT-BC54108  Cryptantha intermedia Amos Arthur Heller 1941-6-26 16213 Modoc U.S. Hwy 395, 8 mi. W of Alturas. Comment
  CAS-BOT-BC54144  Cryptantha intermedia Mrs. H. C. Cantelow 1940-6-2 3318 Modoc 9.3 mi NW of Canby. Comment
  HSC75577  Cryptantha intermedia G. M. Riegel 1980-8-20 1078 Modoc S Warner Mtns. 1739 Comment
  SJSU9549  Cryptantha intermedia W. Savage 1979-7-3 1283 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  RSA152700  Cryptantha intermedia I. L. Wiggins, Dorothy Wiggins 1961-6-12 16382 Modoc Rocky clay mesa 5 mi. east of California State Highway 299, along Cedar Pass Rd. Comment
  RSA164360  Cryptantha intermedia Clare B. Hardham 1961-6-18 7545 Modoc 3 miles east of Cedar Pass. 1829 Comment
  UC1278107  Cryptantha intermedia Beecher Crampton 1954-7-6 2120 Modoc 6 mi e Alturas (County Rd 56, Collis Ranch) Comment
  UC857156  Cryptantha intermedia Ivar Tidestrom 1910-6-25 3638 Modoc Libley Draw Modoc National Forest Comment
  HSC3584  Cryptantha muricata M. T. Milligan 1964-6-6 9 Modoc N side of Dorris Reservoir along shore 1372 Comment
  CAS-BOT-BC54116  Cryptantha simulans John Thomas Howell 1934-6-11 11982 Modoc Parker Creek, Warner Mountains 1584 Comment
  HSC75578  Cryptantha simulans G. M. Riegel 1980-7-8 853 Modoc S Warner Mtns. 1739 Comment
  UC71863  Cryptantha torreyana Mrs. M. H. Manning 1903-6-8 160 Modoc Fort Bidwell, ne Modoc County Fort Bidwell Comment
  RSA183179  Cryptantha torreyana Delzie Demaree 1959-8-15 41481 Modoc Modoc National Forest, Howard Gulch. P. O. Canby. Comment
  NY1112081  Cryptantha watsonii H. D. D. Ripley 1944-6-1 6007 Modoc East of Cedarville 1250 Comment
  NY57978  Cupressus bakeri B. M. Bartholomew 1995-6-1 6914 Modoc Northwest edge of Little Hot Spring Valley, northwest of Day 1080 Comment
  UC1523741  Cupressus bakeri Gary Schoolcraft 1981-9-1 573 Modoc w of; Day 1066 Comment
  CDA5588  Cuscuta approximata Goss 1932-10-3 Modoc 0 Comment
  UC206126  Cynoglossum occidentale Milo S. Baker 1893-1 116 Modoc Taylor Mt. near Marshall's; Bear Valley Comment
  UC1100560  Cyperus squarrosus Herbert L. Mason 1947-8-13 13516 Modoc n. Canby (n.e. side of F reservoir) Comment
  UC72233  Cypripedium montanum Milo S. Baker 1893-1 Modoc Forestdale Comment
  CAS-BOT-BC30213  Cystopteris fragilis Francis Dorris Payne 1932-6-12 539 Modoc Parker Creek. 1584 Comment
  HSC31349  Cystopteris fragilis D. H. Norris, T. Nelson, S. Dowty 1971-6-23 19456 Modoc Upper Rush Creek Campground, about 8 mi. N of Adin on Hwy. 299 Comment
  UC922415  Cystopteris fragilis Annie M. Alexander and Louise Kellogg 1946-7-23 5059 Modoc Emerson Peak; Warner Mts Comment
  CAS-BOT-BC498672  Cystopteris fragilis Gregg M. Riegel 1980-9-3 1128 Modoc South Warner Mountains 2979 Comment
  UC70669  Dactylis glomerata Mrs. M. H. Manning June 1903 407 Modoc north-eastern Modoc County Comment
  UCD60284  Dactylis glomerata L. D. Whitney 1945-8-3 s.n. Modoc Buck Creek. Comment
  JEPS68521  Danthonia californica L. S. Smith 1917-7-1 90 Modoc Deep Creek R.S. camp Warner Mts. 2133 Comment
  CAS-BOT-BC242488  Danthonia unispicata Bruce Bartholomew 1990-6-17 5346 Modoc 4 km N of Buck Creek Ranger Station at turn off to Del Prat Spring, W side of Warner Mts. 1900 Comment
  SEINET191905 Image available Danthonia unispicata C. L. Hitchcock 1940-4-28 6720 Modoc Near Suprise ca. 15 miles north of Alturas. 1402 Comment
  UC53339  Danthonia unispicata M. S. Baker and Frank Nutting 1894-1 Modoc Comment
  CHSC85098  Deinandra lobbii John Dittes; Josephine Guardino 1991-7-21 442 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
  JEPS117303  Deinandra lobbii Lowell Ahart, John Dittes 2010-8-30 17059 Modoc In a large vernal pool, about 5 yards east of the fence, south edge of the meadow, Ash Creek State Wildlife Area, 2300 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley 1267 Comment
  JEPS121206  Deinandra lobbii Lowell Ahart, John Dittes 2013-7-25 18958 Modoc 30 yards N of the E-W fence, south edge of Ash Creek Floodplain, NE of Patterson Homestead, E of Elkins Lane, 1.0 air miles S of County Road 87, 3.14 air miles W of Adin, Big Valley. Comment
  CAS-BOT-BC217344  Delphinium depauperatum Bruce Bartholomew; Barrett Anderson 1989-6-2 4841 Modoc Vicinity of Stough Reservoir, Warner Mountains. 1950 Comment
  NY487635  Delphinium depauperatum A. J. Cronquist 1959-6-20 8518 Modoc Cedarville Pass; Warner Mountains between Cedarville and Alturas 1920.2 Comment
  CAS-BOT-BC217334  Delphinium nuttallianum Elmer Ivan Applegate 1932-7-31 7969 Modoc Mill Creek Meadows, Warner Mts. Comment
  HSC25017  Delphinium nuttallianum M. T. Milligan 1964-6-17 42 Modoc 1 mi. N of Hwy. 139 on FS Rd. 44N15 1524 Comment
  CAS-BOT-BC217277  Delphinium nuttallianum Belknap C. Goldsmith 1913-5-13 94 Modoc Modoc County. 1600 Comment
  HSC80755  Delphinium nuttallianum G. M. Riegel 1980-7-7 852 Modoc S Warner Mtns. 2100 Comment
  RSA185470  Delphinium nuttallianum Clare B. Hardham 1961-6-18 7569 Modoc Hills 3 miles SE of summit, Cedar Pass, Flowers purple upper petals usually pale. 1829 Comment
  UC748094  Delphinium nuttallianum Annie M. Alexander and Louise Kellogg 1946-6-5 4667 Modoc s Eagleville (above road); Warner Mountains, Emerson Creek 1981 Comment
  JEPS73979  Deschampsia danthonioides Frances D. Payne 1932-6-24 650 Modoc s. and e. of Alturas (Parker Creek); Warner Mts., Parker Creek 1584 Comment
  RSA0080119  Deschampsia danthonioides Lowell Ahart 2011-6-22 17550 Modoc About 100 yards north of he Pilot Butte Parking Lot, north edge of Ash Crek 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
  UC53589  Deschampsia danthonioides M. S. Baker and Frank Nutting 1894-6-13 Modoc w. shore of Egg Lake Comment
  JEPS68494  Deschampsia danthonioides Leland S. Smith 1918-1 862 Modoc Granger Mill Comment
  HSC9610  Deschampsia elongata M. T. Milligan 1964-7-25 174 Modoc Pine Creek Basin, along trail. 2439 Comment
  UC1553389  Deschampsia elongata Sch/Yor/Hor/Ach 1988-7-16 1828 Modoc ca. 1 mi. s.e. Pepperdine Camp; Warner Mts. 2316 Comment
  UC53603  Deschampsia elongata M. S. Baker and Frank Nutting 1894-8-25 Modoc near Forestdale Forestdale 1371 Comment
  HSC6720  Descurainia incisa subsp. incisa M. T. Milligan 1965-6-26 329 Modoc N end Jess Valley. 1616 Comment
  CAS-BOT-BC58613  Descurainia pinnata subsp. brachycarpa Alice Eastwood; John Thomas Howell 1940-6-12 8051 Modoc Between Likely and Jess Valley. Comment
  CAS-BOT-BC248357  Dicentra uniflora B. Bartholomew; H. Sun 2002-6-24 8840 Modoc Ca. 1 km NW of Bald Mt., E side of the Warner Mountains 2290 Comment
  NY500203  Dicentra uniflora B. M. Bartholomew 1988-5-13 4158 Modoc 4 km northwest of Pepperdine, gentle west-facing slope near top of the Warner Mountains 1760 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
  SEINET7839014 Image available Dieteria canescens Mrs. M. H. Maning 1904-1 s.n. Modoc Alturas, North-eastern Modoc County Comment
  CAS-BOT-BC49463  Dieteria canescens var. shastensis Elmer Ivan Applegate 1923-3-17 3341 Modoc Dry Lake, SE of Tule Lake. Comment
  CAS-BOT-BC49464  Dieteria canescens var. shastensis Leland S. Smith 1917-9-8 155 Modoc Fandango Valley, Warner Mountains 1524 Comment
  UC469011  Dieteria canescens var. shastensis Franklin P. Nutting Modoc Forrestdale 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
  CHSC57235  Diplacus nanus David M. Thompson 1988-6-2 926 Modoc 8 1/2 air mi NNE of Adin. 0.2 mi W of campground loop road of Upper Rush Creek Campground; ca. 2 mi E of Hwy 139-299. 1600 Comment
  OBI49345  Diplacus pygmaeus David M. Thompson 1988-6-3 927 Modoc Egg Lake, S end. Between Kramer Reservoir and White Horse-Lookout road along intermittent stream; 2.3 rd mi W of RR crossing T40N, R6E, NW1/4, NW1/4 S22 1300 Comment
  SEINET14196640  Diplacus pygmaeus D. M. Thompson 1988-1 927 Modoc S end Egg Lake, between Kramer Reservoir and White Horse-Lookout road, along intermittent stream, 2.3 road miles W of RR crossing. 1300 Comment
  CAS-BOT-BC247767  Distichlis spicata Leland S. Smith 1920-6-11 1171 Modoc Near Alturas. 1310 Comment
  CHSC100110  Distichlis spicata L. P. Janeway; B. Castro 2008-8-16 9545 Modoc Modoc Plateau. Surprise Valley; east side of Middle Alkali Lake, south side of Hwy 299 10.5 km east of Cedarville. 1378 Comment
  CAS-BOT-BC218289  Dodecatheon alpinum Bruce Bartholomew 1991-8-5 6033 Modoc Squaw Peak Trail on N side of Squaw Peak, E side of Warner Mts. 2420 Comment
  CAS-BOT-BC218290  Dodecatheon alpinum Elmer Ivan Applegate 1932-8-7 8228 Modoc Stream at Lily Lake. Comment
  CAS-BOT-BC218295  Dodecatheon alpinum Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-14 16483 Modoc 6.4 mi. S of Lassen Creek campground along road to Buck Mt. Comment
  HSC17849  Dodecatheon alpinum M. T. Milligan 1965-6-26 335 Modoc N end Jess Valley. 1616 Comment
  HSC29998  Dodecatheon alpinum D. H. Norris, T. Nelson, S. Dowty 1971-6-22 19327 Modoc Soup Springs Campground Comment
  UC711853  Dodecatheon alpinum Roxana S. Ferris and Laura Lorraine 1941-8-13 10524 Modoc East Creek drainage Warner Mountains, Modoc National Forest, East Creek drng (Patterson Ranger Station, Modoc National Forest) 2164 Comment
  HSC17888  Dodecatheon conjugens M. T. Milligan 1964-5-9 34 Modoc 4 mi. N of Hwy. 139 on USFS Rd. 44N15 1524 Comment
  SEINET3163994  Dodecatheon conjugens E. K. Balls 1950-5-11 14628 Modoc 8.1 mi. northeast of Fort Bidwell, above Cow Head Lake, along 8-mile Creek 1463 Comment
  UC71815  Dodecatheon conjugens Mrs. M. H. Manning 1903-4 85 Modoc Mt. Bidwell and vicinity Mt. Bidwell and vicinity (ne Modoc County) Comment
  UC75672  Dodecatheon conjugens Milo S. Baker 1896-5-15 81 Modoc Forestdale Comment
  UCR87513  Dodecatheon conjugens George K. Helmkamp, E. A. Helmkamp 1993-5-4 87513 Modoc 25.6 miles NW of Canby along Calif. Hwy 139 1280 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
  SEINET195708 Image available Dodecatheon conjugens var. conjugens Annie M. Alexander, Louise Kellogg 1946-6-8 4695 Modoc Road from Ealville to Patterson Mill. Comment
  CAS-BOT-BC95109  Downingia bacigalupii K. Paulson; Robert Paulson 1989-7-2 155 Modoc Between McKay Flat and Howards Gulch. 1447 Comment
  CDA13455  Downingia bacigalupii G. F. Hrusa, T. D. Wilfred 1996-7-21 13302 Modoc Modoc Plateau; Adjacent to Modoc Co. Rd. 90 bridge over Pit River. E base of Splawn Mtn. N end of Big Valley. Comment
  CHSC112758  Downingia bacigalupii Lowell Ahart; John Dittes 2013-7-24 18916 Modoc Around a man made pond, north side of Ash Creek Floodplain, 0.54 mile (air) southeast of Pilot Butte Parking Area, 1.1 miles (air) south of County Road 87, 6.8 miles (air) west of Adin, Big Valley. 1263 Comment
  CHSC117038  Downingia bacigalupii Lowell Ahart; John Dittes 2016-6-6 20962 Modoc About 100 yards east of the Parking Area, about one mile south of the intersection of County Road 87 and Access Road to Pilot Butte Parking Area, 3.8 miles (air) east of Lookout, 7.5 miles (air) west of Adin, Ash Creek State Wildlife Area. 1271 Comment
  CHSC14087  Downingia bacigalupii K. R. Stern; D. B. Joley, J. G. Geschke 1974-6-23 5827 Modoc Dry vernal pool on e side of railroad tracks, on n side of Whitehorse-Lookout Road. Comment
  CHSC99117  Downingia bacigalupii Lowell Ahart; John Dittes 2008-6-21 14985 Modoc Bottom of a large vernal pool, about 50 yards northwest of a large culvert, about 25 yards west of the large levee, in Big Valley, about 2.8 miles (air) north of the Headquarters at Ash Creek State Wildlife Area, about 5.4 miles (air) northeast of Bieber. 1255 Comment
  JEPS117480  Downingia bacigalupii Lowell Ahart, John Dittes 2010-8-31 17124 Modoc About 400 yards west of Elkins Lane and the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley 1267 Comment
  JEPS14450  Downingia bacigalupii L. S. Smith 1920-5-17 1146 1-2 Modoc Gravens Modoc Forest 1402 Comment
  SJSU3184  Downingia bicornuta R. L. Fisher 1958-6-13 Modoc Bayley L c. 12 mi S of Alturas 1676 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
  UC28963  Downingia bicornuta var. bicornuta Milo S. Baker 1893-6-24 Modoc Egg Lake Comment
  JEPS108498  Downingia bicornuta var. bicornuta Lisa Schultheis 1996-6-28 309 -96 Modoc SE of Lava Beds National Monument. E side of Rt. 139, 18.1 mi S of Tionesta Rd. Comment
  JEPS79127  Downingia cuspidata L. R. Heckard with R. Bacigalupi 1980-6-10 5231 Modoc about 10 mi nw Lookout (along Great Northern Railroad grade) Comment
  RSA611026  Downingia elegans L. C. Wheeler 1935-8-25 3916 Modoc Devil's Garden: Rimrock Valley Reservoir. 1524 Comment
  SFV3643  Downingia elegans I. L. Wiggins, D. B. Wiggins 1961-6-15 16515 Modoc Dry vernal swales 13 miles west of Canby, along CA-Highway 139. Comment
  UCD149943  Downingia elegans William Anderson 1963-7-20 s.n. Modoc Devil's Garden. Comment
  CHSC66295  Downingia insignis Vernon H. Oswald 1996-6-27 7902 Modoc Dorris Reservoir, Modoc National Wildlife Refuge, ca. 3 mi E of Alturas. Modoc Plateau. 1335 Comment
  JEPS108490  Downingia insignis Lisa Schultheis 1996-6-29 312 -96 Modoc W of Goose Lake. On County Rd. 73 towards Crowder Flat. About 4.2 mi from Rt. 299 Comment
  UC1446112  Draba albertina Gary Schoolcraft 1979-8-3 166 Modoc top of Lake City Canyon top of Lake City Canyon (on sw side road at edge of meadow area near 2 small pit reservoirs) 2194 Comment
  JEPS53522  Draba densifolia Mrs. R. M. Austin and Bruce 1898-6-18 2133 Modoc Lake City Pass 2133 Comment
  CAS-BOT-BC214770  Drymocallis glandulosa Bruce Bartholomew; Barrett Anderson 1990-7-19 5416 Modoc Top of Hunters Ridge S of Rush Creek. 1960 Comment
  JEPS87086  Drymocallis glandulosa var. glandulosa Teresa Sholars 1987-6-9 729 Modoc just above Stowe Campground; Warner Mountains, just above Stowe Campground Comment
  HSC1028  Dryopteris expansa R. C. Wunner 1965-8-31 495 Modoc Lava Beds National Monument, Fern Cave entrance. Comment
  UC1593359  Dryopteris expansa Alan Smith with Chris Richards, C. Don MacNeill, and Gary Hathaway 1992-6-5 2534 Modoc Fern Cave; Lava Beds Nat'l Monument 1280 Comment
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May 30 2013
  CHSC99956  Dysphania ambrosioides Lowell Ahart; John Dittes 2008-8-25 15322 Modoc On the east bank (flood plane) of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout. 1273 Comment
  CHSC100431  Echinochloa crus-galli Lowell Ahart; John Dittes 2008-8-25 15314 Modoc On the east bank of the Pit River (flood plain), about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout. 1273 Comment
  UC1100265  Echinochloa crus-galli Verne Grant and Irving Schneider 1947-8-29 8356 Modoc at bridge by Coal Stone Valley (Pit River); , at bridge by Coal Stone Valley Comment
  CHSC116191  Elatine Lowell Ahart; John Dittes 2015-7-15 20349 Modoc On the east side of Elkins Lane, about 200 yards northeast of the Parking Area, northwest of the old barn, Ask Creek State Wildlife Area, about 3.9 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  PASA431  Elatine americana Frank W. Peirson 1926-6-26 Modoc Road from Alturas to Canby Comment
  RSA210826  Elatine chilensis R. F. Thorne, James Henrickson, C. W. Tilforth, K. Thorne 1969-9-4 39120 Modoc N Fork of Pit River 3.4 mi N of Alturas where crossed by Hwy 395. 1341 Comment
  CHSC117565  Elatine rubella Lowell Ahart; John Dittes 2016-7-14 21211 -A Modoc The 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
  UC1101534  Elatine triandra Herbert L. Mason 1947-8-8 13472 Modoc nw Alturas (sw margin of Big Sage Reservior) Comment
  UCD49715  Eleocharis acicularis Herbert L. Mason; Verne Grant 1947-7-12 13402 Modoc Irrigation ditch by Jones' Lane off Highway 395, south of Alturas. Comment
  CAS-BOT-BC242380  Eleocharis coloradoensis Verne Grant; I. Schneider 1947-7-19 8081 Modoc Williams Ranch, N of Likely. Comment
  CAS-BOT-BC242385  Eleocharis macrostachya Roxana Stinchfield Ferris; R. Duthie 1919-6-14 166 Modoc Parker Creek near Modoc Nat. Forest Boundary. Comment
  SJSU9588  Eleocharis macrostachya W. Savage 1979-7-5 1352 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 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
  POM313069  Eleocharis palustris Calvin McMillan, Malcolm A. Nobs 1949-6-16 791 Modoc Dry Valley Reservoir, 33 miles north-northwest of Alturas Comment
  RSA252380  Eleocharis palustris Robert F. Thorne, C. W. Tilforth 1969-9-5 39180 Modoc South Fork of Pit River at bridge, 3.8 miles E of Likely 1387 Comment
  CAS-BOT-BC245107  Elodea canadensis Bruce Bartholomew 1992-8-10 6398 Modoc Rush Creek just N of Round Valley on Highway 299 1350 Comment
  RSA210838  Elodea nuttallii Robert F. Thorne, J. Henrickson, C. W. Tilforth 1969-9-4 39130 Modoc N Fork of Pit River 3.4 mi N of Alturas where crossed by Highway 395. 1341 Comment
  UC1026709  Elymus X saundersii Leo Whitney 1935-7-7 3406 Modoc ca 15 mi nw Canby (bed of river); Modoc National Forest, Hackamore River 1463 Comment
  UC1024909  Elymus X saxicola Leo Whitney 1935-7-3 3373 Modoc ca 17 mi nw Canby; Badger Wells Comment
  CHSC100122  Elymus cinereus L. P. Janeway; B. Castro 2008-8-16 9543 Modoc Modoc Plateau. Surprise Valley; east side of Middle Alkali Lake, south side of Hwy 299 10.5 km east of Cedarville. 1378 Comment
  SJSU9602  Elymus cinereus W. Savage 1979-7-5 1376 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  RSA503034  Elymus elymoides Bruce Bartholomew, B. Anderson 1988-6-23 4221 Modoc 2.1 km SSE of Day on the road to State Highway 299. 1020 Comment
  CAS-BOT-BC247758  Elymus elymoides subsp. elymoides Louis Cutter Wheeler 1935-8-4 3781 Modoc Pine Creek. 2103 Comment
  CAS-BOT-BC247761  Elymus elymoides subsp. elymoides Bruce Bartholomew 1990-8-5 5662 Modoc Summit Trail, ca. 2 km N of Patterson Ranger Station, W side of Warner Mts. 2300 Comment
  HSC10953  Elymus elymoides var. elymoides M. T. Milligan 1966-8-3 629 Modoc West slope of Eagle Peak. 2439 Comment
  UCD62291  Elymus glaucus A. A. Beetle 1944-8-15 3034 Modoc N. of Lookout. Above Happy Camp Ranger Station. Comment
  UCD62432  Elymus multisetus Robbins; Raynor 1943-6-1 Modoc Likely. Comment
  HSC8744  Elymus spicatus R. C. Wunner 1965-6-20 220 Modoc Lava Beds N.M., Lava Brook Cave. 1463 Comment
  UCD32709  Elymus trachycaulus Beecher Crampton 1954-7-7 2137 Modoc Modoc County, west side of Cedar Pass. Comment
  UCD62721  Elymus trachycaulus Beecher Crampton; Carl Rimbey 1954-7-7 2137 Modoc West side of Cedar Pass, Warner Mountains. 1889 Comment
  SEINET10963959  Elymus trachycaulus Louis C. Wheeler 1935-8-4 Wheeler 3780 Modoc Sunny gravelly flat. Dry Lake, Pine Creek. Warner Mts. T48N R15E S35. 2103 Comment
  CAS-BOT-BC247724  Elymus trachycaulus subsp. trachycaulus Ernest Christian Twisselmann 1966-9-22 6576 Modoc Ridge at the SE end of Long Valley. 2042 Comment
  RSA185237  Elymus trachycaulus subsp. trachycaulus Jack Reveal 1963-7-21 582 Modoc Along the edges of Wet Meadow Comment
Read comments
Jul 6 2013
  SJSU9661  Elymus trachycaulus subsp. trachycaulus W. Savage 1979-7-9 1499 Modoc Round Valley, Triangle, Devils Garden District, Modoc National Forest 1493 Comment
  HSC8754  Elymus trachycaulus subsp. trachycaulus M. T. Milligan 1964-8-8 221 Modoc 3 miles W of Alturas on Modoc County Rd. 54A at Rifle Range. 1372 Comment
  JEPS119965  Elytrigia repens Lowell Ahart, John Dittes 2012-7-12 18377 Modoc On the east side of Elkins Lane, about 100 yards north of the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. Comment
  CAS-BOT-BC217291  Enemion stipitatum Bruce Bartholomew; Barrett Anderson 1989-4-27 4629 Modoc Little Hot Spring Valley, 4.0 km NW of Day. 1070 Comment
  HSC1310  Ephedra viridis R. S. White 1965-5-14 66 Modoc 10 mi. E of Canby on Hwy. 299 Comment
  HSC16363  Epilobium anagallidifolium M. T. Milligan 1966-7-5 557 Modoc E of Jess Valley 1829 Comment
  CAS-BOT-BC191033  Epilobium angustifolium subsp. circumvagum Bruce Bartholomew 1991-7-6 5971 Modoc 0.8 km NE of Curtis Waterhole. 1310 Comment
  CHSC33988  Epilobium brachycarpum N. E. H. Prouty; J. D. Prouty 1980-8-1 198 Modoc Modoc Nat. Forest, Warner Mt. District. Opening south of Soup Spring's Campground. 2072 Comment
  RSA0113965  Epilobium brachycarpum Lowell A. Ahart, John Dittes 2008-8-25 15277 -A Modoc On the west side of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout. 1273 Comment
  RSA101357  Epilobium brachycarpum R. Weatherby 1955-7-8 1626 Modoc 6 miles north of Fort Bidwell, northern Warner Mountains 1784 Comment
  RSA563314  Epilobium brachycarpum Bruce Bartholomew 1989-7-15 4998 Modoc Sweagert Flat 1860 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
  UC1191734  Epilobium brachycarpum Herbert L. Mason and Verne Grant 1947-7-10 13334 Modoc 2 mi e Alturas; Dorris Reservoir Comment
  UC20103  Epilobium brachycarpum Milo S. Baker 1893-6-25 Modoc nr. Egg Lake Comment
  UCR77774  Epilobium brachycarpum B. Bartholomew 1989-7-14 4946 Modoc c. 8 km NE of Egg Lake and 2.5 km east of Survice Gulch. 1340 Comment
  HSC16318  Epilobium brachycarpum M. T. Milligan 1965-6-27 359 Modoc E slope of eroded volcanic plateau. 1677 Comment
  CHSC109644  Epilobium campestre Lowell Ahart; John Dittes 2012-7-11 18331 Modoc Vernal pool like areas on the bottom of a gravel pit, north edge of the meadow, about 1/8 mile east of the parking area on the east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adam, about 8 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  RSA0037172  Epilobium campestre Lowell A. Ahart, John Dittes 2012-7-11 18331 Modoc North edge of the meadow, about 1/8 mile east of the parking area on the east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  SJSU9587  Epilobium campestre W. Savage 1979-7-5 1351 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  CAS-BOT-BC190992  Epilobium ciliatum subsp. ciliatum Alice Eastwood; John Thomas Howell 1940-6-12 8092 Modoc Jess Valley. Comment
  UCD105793  Epilobium ciliatum subsp. ciliatum Malcolm A. Nobs; S. Galen Smith 1949-9-1 1709 Modoc Mono Vista Springs on the northwestern shore of Mono Lake. Comment
  CAS-BOT-BC190980  Epilobium ciliatum subsp. glandulosum K. Paulson; Robert Paulson 1989-7-14 186 Modoc Vicinity of Cave Lake, N end of the Warner Mts. 1987 Comment
  CAS-BOT-BC190983  Epilobium ciliatum subsp. glandulosum Annie Montague Alexander; L. Kellogg 1946-7-11 4965 Modoc Eight Mile Creek. Comment
  CAS-BOT-BC190985  Epilobium ciliatum subsp. glandulosum Bruce Bartholomew 1989-8-11 5072 Modoc Along Lassen Creek near SE side of Harris Flat, Warner Mountains. 1920 Comment
  RSA41237  Epilobium ciliatum subsp. glandulosum A. M. Alexander, Louise Kellogg 1946-7-11 4965 Modoc Slope west of Eight Mile Creek, northeast corner of Modoc County Comment
  RSA41238  Epilobium ciliatum subsp. glandulosum A. M. Alexander, Louise Kellogg 1946-7-11 4964 Modoc Slope west of Eight Mile Creek, northeast corner of Modoc County Comment
  UC711832  Epilobium ciliatum subsp. glandulosum Roxana S. Ferris and Laura Lorraine 1941-8-13 10519 Modoc Patterson Ranger Station Warner Mts., Modoc National Forest (East Creek drainage) 2164 Comment
  UC71846  Epilobium ciliatum subsp. glandulosum Mrs. M. H. Manning 1903-6-8 Modoc Mt. Bidwell 1524 Comment
  RSA502394  Epilobium clavatum D. W. Taylor 1989-8-5 10438 Modoc Emerson Creek drainage, E face Emerson Peak. 2561 Comment
  CAS-BOT-BC190972  Epilobium densiflorum Bruce Bartholomew 1990-8-3 5604 Modoc Ash Creek Wildlife Refuge, ca. 2.5 km S of County Road 87 and 7 km W of Adin. 1250 Comment
  HSC65566  Epilobium densiflorum Thomas Wood 1979-8-8 210 Modoc 1 mi. S of Ft. Bidwell, along Hwy. 1, corner house where road turns W 1372 Comment
  JEPS114430  Epilobium densiflorum Lowell Ahart, John Dittes 2008-8-26 15341 Modoc On the bottom of Rose Creek, 550 feet southwest of confluence of Rose Creek and Pit River, on the northwest side of unnamed road,, 2860 feet east of intersection with County Road 85a, 9.3 miles (air) north-northeast of Lookout 1276 Comment
  JEPS31480  Epilobium densiflorum Frances D. Payne 1933-8-5 770 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  UC71664  Epilobium densiflorum Mrs. M. H. Manning Aug. 1903 210 Modoc near Fort Bidwell (ne Modoc Co.) Comment
  CAS-BOT-BC190979  Epilobium densiflorum Leland S. Smith 1919-8-5 1139 Modoc Ash Valley and vicinity. 1371 Comment
  CAS-BOT-BC190968  Epilobium hallianum Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-14 16487 Modoc 6.4 mi. S of Lassen Creek campground on road to Buck Mountain. Comment
  CAS-BOT-BC190957  Epilobium hornemannii subsp. hornemannii Bruce Bartholomew 1994-7-2 6820 Modoc Mill Creek NE of Bald Mtn., E side of Warner Mountains. 2040 Comment
  UC19942  Epilobium pallidum Milo S. Baker 1893-6 Modoc adobe flats Egg Lake Comment
  UC19957  Epilobium pallidum M. S. Baker and Frank Nutting 1894-6-4 Modoc Little Hot Spring Valley Comment
  RSA795598  Epilobium pygmaeum L. Ahart, John Dittes 2010-8-30 17058 Modoc On the sides of a small wash, about 10 yards east of the fence, south edge of the meadow, Ash Creek State Wildlife Area, 2300 feet north of Lassen County Line, about 3.6 air miles west of Adin, about 8.0 air miles northeast of Bieber, Big Valley. 1268 Comment
  CAS-BOT-BC190863  Epilobium torreyi Bruce Bartholomew 1994-8-20 6857 Modoc W side of Goose Lake, N of McGinty Point. 1450 Comment
  CAS-BOT-BC30180  Equisetum laevigatum Alice Eastwood; John Thomas Howell 1940-6-13 8181 Modoc E side of Cedar Pass. Comment
  CAS-BOT-BC30182  Equisetum laevigatum Bruce Bartholomew; Barrett Anderson 1990-7-21 5570 Modoc N Barber Creek, road from Surprise Valley to Patterson Ranger Station, E side of Warner Mts. 1710 Comment
  CAS-BOT-BC30181  Equisetum laevigatum Verne Grant; I. Schneider 1947-7-20 8107 Modoc North Fork of Pit River, downstream from Alturas. Comment
  CAS-BOT-BC95479  Eremogone aculeata Alice Eastwood; John Thomas Howell 1940-6-12 8106 Modoc W side of Cedar Pass. Comment
  CAS-BOT-BC95486  Eremogone aculeata Elmer Ivan Applegate 1932-7-9 7600 Modoc N slope of Bidwell Mountain, Warner Mts. Comment
  CAS-BOT-BC95491  Eremogone aculeata John H. Hatton 1911-6-20 130 Modoc Near Bolles meadows, Lava-Juniper country. 1524 Comment
  CAS-BOT-BC95492  Eremogone aculeata Elmer Ivan Applegate 1932-8-1 8007 Modoc Arid W slope of Warner Mts. S of Warren Peak. Comment
  CHSC118084  Eremogone aculeata L. P. Janeway 2016-5-16 12004 Modoc Modoc Plateau. Devils Garden area; along Road 46N02 3.4 road-km south-southeast of Road 47N09/73/181; about 5.2 air-km north of Crowder Mtn Reservoir. 1570 Comment
  CAS-BOT-BC95449  Eremogone congesta Annie Montague Alexander; L. Kellogg 1946-6-10 4708 Modoc Lava bench between Lower and Snake lakes. Comment
  CAS-BOT-BC95457  Eremogone congesta E. S. Willits 1940-6-5 323 Modoc Canby. Comment
  CAS-BOT-BC95459  Eremogone congesta K. Paulson; Robert Paulson 1988-6-11 18 Modoc Barnes Grade, Crowder Flat Rd. to Devil's Garden. 1432 Comment
  CAS-BOT-BC95468  Eremogone congesta Mrs. H. C. Cantelow 1940-6-2 s.n. Modoc 9.3 mi NW of Canby, lava country. Comment
  CAS-BOT-BC95447  Eremogone congesta John H. Hatton 1911-6-14 91 Modoc Pitt River Ranger Station. Comment
  CAS-BOT-BC14815  Ericameria bloomeri Elmer Ivan Applegate 1936-9-29 11079 Modoc Bald Crater loop near and S of natural bank spur, Lava Beds National Monument. Comment
  UC711835  Ericameria greenei Roxana S. Ferris and Laura Lorraine 1941-8-14 10618 Modoc summit Fandango Pass (on road between Fort Bidwell and Pine Creek); Modoc National Forest, Warner Mountains 1889 Comment
  CAS-BOT-BC287481  Ericameria greenei B. Bartholomew 1990-8-4 5628 Modoc On N side of Pine Creek Basin on trail to Patterson Lake, W side of Warner Mts 2610 Comment
  CAS-BOT-BC287486  Ericameria greenei H. M. Hall 1925-8-30 12209 Modoc E side Goose Lake Comment
  JEPS117377  Ericameria nauseosa var. oreophila Lowell Ahart, John Dittes 2010-8-30 17052 Modoc About 3 yards east of the fence, south edge of the meadow, Ash Creek State Wildlife Area, 2,300 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley 1267 Comment
  CAS-BOT-BC42839  Erigeron austiniae John Thomas Howell 1934-6-30 12262 Modoc Duncan Horse Camp. 1355 Comment
  POM261456  Erigeron bloomeri Alice Eastwood, John Thomas Howell 1940-6-12 8104 Modoc West side of Cedar Pass. Comment
  SBBG8712  Erigeron bloomeri H. and M. Dearing 1939-6-9 3624 Modoc near Squaw Peak, Warner Mtns 2133 Comment
Read comments
Apr 17 2007
  POM36268  Erigeron bloomeri var. bloomeri Mrs. R. M. Austin 1895-06 554 Modoc Goose Lake Valley Comment
  RSA59825  Erigeron chrysopsidis subsp. austiniae E. K. Balls 1950-5-14 14692 Modoc 0.2 mi. south of boundary Modoc National Forest, trail from Alturas to Thomas Reservoir. 1524 Comment
  UC748389  Erigeron compositus Annie M. Alexander and Louise Kellogg 1946-8-1 5103 Modoc crest of divide Eagle Peak 3019 Comment
  HSC5505  Erigeron coulteri M. T. Milligan 1966-7-3 539 Modoc Slopes and ridges E of Jess Valley 1829 Comment
  JEPS5927  Erigeron divergens Frances D. Payne 1931-6-18 195 Modoc Parker Creek watershed Warner Mountains 1584 Comment
  JEPS5928  Erigeron divergens Frances D. Payne 1931-6-11 144 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  POM357394  Erigeron divergens Christopher Davidson 1973-5-24 2102 Modoc Junction of Hwy. 395 and County Road 63, near Likely, south of Alturas 1311 Comment
  CAS-BOT-BC42785  Erigeron eatonii var. plantagineus K. Paulson; Robert Paulson 1988-5-22 8 Modoc E of Boles Creek, Devil's Garden. 1402 Comment
  CHSC117858  Erigeron eatonii var. plantagineus L. P. Janeway 2016-5-16 11991 Modoc Modoc Plateau. Devils Garden area; along Road 47N07 1.8 road-km south of Road 181/73/47N09. 1573 Comment
  UC619259  Erigeron eatonii var. plantagineus J. and H. W. Grinnell 1938-6-16 1113 Modoc Cedar Pass summit Warner Mountains 1935 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
  JEPS41609  Erigeron filifolius Mrs. M. H. Manning 1903-8-27 335 Modoc Tamarack Flat Comment
  CAS-BOT-BC49620  Erigeron glacialis var. glacialis Bruce Bartholomew; Barrett Anderson 1988-7-23 4581 Modoc Dismal Swamp, Warner Mts.. 2180 Comment
  HSC5082  Erigeron glacialis var. glacialis M. T. Milligan 1964-7-25 176 Modoc Pine Creek Basin, along trail. 2439 Comment
  HSC65592  Erigeron inornatus var. inornatus Thomas Wood 1979-8-9 227 Modoc Dirt rd. along Bidwell Creek, 2.7 mi. NW of junction with Co. Hwy. 2, N of Ft. Bidwell 1509 Comment
  RSA520496  Erigeron inornatus var. inornatus Bruce Bartholomew 1989-7-14 4951 Modoc 6.5 km NE of Egg lake and 0.8 km E of Survice Gulch 1340 Comment
  SJSU9690  Erigeron inornatus var. inornatus W. Savage 1979-7-24 1559 Modoc Long Meadow Unit, Devils Garden District, Modoc National Forest 1615 Comment
  CAS-BOT-BC49609  Erigeron linearis Annie Montague Alexander; L. Kellogg 1946-8-9 5137 Modoc Patterson Lake Trail, Warner Mts. Comment
  JEPS41569  Erigeron linearis L. S. Smith 1166 Modoc Timber Mt. Comment
  RSA93193  Erigeron linearis J. T. Howell 1934-6-30 12252 Modoc Duncan Horse Camp. Comment
  SEINET8667631 Image available Erigeron linearis M. J. Williams 1988-5-30 88- 26 -3 Modoc Jess Valley, S of roadside rest 1524 Comment
  UC1035994  Erigeron linearis Helen K. Sharsmith 1955-6-23 4493 Modoc 6.7 mi e Cedar Campground (just s of State Highway 29); Warner Mountains, Modoc National Forest 1859 Comment
  UC485111  Erigeron lonchophyllus Mrs. R. M. Austin 1885-8-1 Modoc Goose Lake Valley Comment
  CAS-BOT-BC49577  Erigeron philadelphicus Annie Montague Alexander; L. Kellogg 1946-8-10 5149 Modoc 0.5 mi. beyond Porter Reservation Road. Comment
  UC647930  Erigeron philadelphicus var. philadelphicus Bud Fuller 1936-7-10 37 Modoc 15 mi ne Alturas Comment
  CAS-BOT-BC49586  Erigeron pumilus subsp. intermedius M. M. Hanna 1956-6-7 s.n. Modoc Highway 139, Canby to Tienesta. Comment
  JEPS89672  Erigeron tener Dean Wm. Taylor with Glenn L. Clifton 1989-8-5 10444 Modoc cirque headwall above South Emerson Lake (Emerson Creek drainage); Warner Mountains 2560 Comment
  CAS-BOT-BC197824  Eriogonum elatum Leland S. Smith 1924-6-29 1444 Modoc Happy Camp Ranger Station. 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-BC197814  Eriogonum heracleoides var. heracleoides Annie Montague Alexander; L. Kellogg 1946-7-11 4967 Modoc Eight Mile Creek, northeast corner of county. 1752 Comment
  CHSC109513  Eriogonum heracleoides var. heracleoides L. P. Janeway; B. Castro 2012-7-24 10974 Modoc Warner Mountains. Northwestern flank of Mount Bidwell; 1.2 air km south of Dismal Swamp. 2362 Comment
  CHSC27614  Eriogonum heracleoides var. heracleoides Robert Schlising 1978-7-29 3329 Modoc Warner Mountains, SE of Warren Peak along Summit Trail and near jct with Pine Creek Trail. 2804 Comment
  CAS-BOT-BC197797  Eriogonum microthecum var. ambiguum Bruce Bartholomew 1991-8-5 6054 Modoc Summit Trail between Squaw Peak and Cottenwood Lake, crest of the Warner Mts. 2530 Comment
  CAS-BOT-BC197796  Eriogonum microthecum var. laxiflorum Bruce Bartholomew 1990-6-17 5323 Modoc E side of Surprise Valley, 9.6 km E of Eagleville at the Nevada border. 1580 Comment
  CAS-BOT-BC197804  Eriogonum microthecum var. laxiflorum Elmer Ivan Applegate 1921-9-2 3342 Modoc Dry Lake. Comment
  CDA35639  Eriogonum nudum J. R. Keck Jr. 1985-7-1 PDR# 237693 & PDR# 237694 Modoc U. S. Forest Service land, Modoc National Forest. 0 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-BC211407  Eriogonum nudum var. pubiflorum J. L. Gentry; E. Jensen 1968-7-4 2114 Modoc 3.9 miles W of Hwy. jct. Calif. 139 and Calif. 299, on Calif. 299 at Pit River. 1341 Comment
  CAS-BOT-BC211417  Eriogonum nudum var. pubiflorum Robert J. Weatherby 1955-7-8 1637 Modoc 3 miles N of Ft. Bidwell, northern Warner Mts. 1554 Comment
  CAS-BOT-BC211439  Eriogonum nudum var. pubiflorum Elmer Ivan Applegate 1932-8-1 7995 Modoc N of Mill Creek Meadow, Warner Mts. Comment
  CAS-BOT-BC211442  Eriogonum nudum var. pubiflorum Noel Herman Holmgren; J. L. Reveal 1964-8-21 1717 Modoc About 5 miles SW of Eagleville on the Eagleville-Likely Road. Modoc National Forest, Warner Range Comment
  CAS-BOT-BC211450  Eriogonum nudum var. pubiflorum John Thomas Howell 1934-7-1 12314 Modoc Duncan Horse Camp. 1355 Comment
  HSC81009  Eriogonum nudum var. pubiflorum G. M. Riegel 1980-7-14 869 Modoc S Warner Mtns. 1739 Comment
  SJSU9132  Eriogonum nudum var. pubiflorum H. L. Buckalew 1961-6-27 Modoc dry wash 0.5 mi below Stough (""Stowe"") Reservoir c. 2 mi N of Cedar Pass on Alturas-Cedarville Rd, Warner Mts 2072 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
  NY762337  Eriogonum nudum var. pubiflorum A. J. Cronquist 1959-6-18 8486 Modoc Slope along the South Fork of the Pitt River, 4 miles east of Likely 1371.6 Comment
  NY762338  Eriogonum nudum var. pubiflorum H. D. D. Ripley 1944-6-1 6030 Modoc Foothills of Warner Mountains, west of Cedarville 1493.5 Comment
  RSA273322  Eriogonum nudum var. pubiflorum Thomas W. Nelson, Jane P. Nelson, James Nelson 1976-8-29 3257 Modoc Modoc National Forest, Growing beside highway 299 just northwest of Adin Pass. 1524 Comment
  NY282050  Eriogonum ovalifolium var. nevadense G. Riegel 1981-6-23 1169 Modoc Near Cedarville. 1645.9 Comment
  SEINET211382  Eriogonum prociduum James L. Reveal 1971-6-22 2462 Modoc Along U.S. Highway 395, 3.5 miles north of the junction of U.S 395 with California highway 299, and 1.s miles north of the chimney Rock Turnoff. Comment
  SEINET5330020  Eriogonum prociduum var. prociduum M. J. Williams 1962-7-8 62 -11 Modoc Cedar Pass 2103 Comment
  NY283068  Eriogonum spergulinum var. reddingianum J. T. Howell 1934-6-14 12123 Modoc Near Lost Lake, Warner Mountains 2438.4 Comment
  NY283083  Eriogonum spergulinum var. reddingianum B. M. Bartholomew 1991-8-5 6026 Modoc Summit trail between Pepperdine and Squaw Peak, W side of Warner Mts. 2190 Comment
  RSA32928  Eriogonum sphaerocephalum A. A. Heller 1938-6-24 s.n. Modoc Occasional clumps on open gravelly slopes in clay soil between Altures and Candy on U.S. Highway #299. Comment
  SBBG30522  Eriogonum sphaerocephalum D. Myrick 1968-6-20 1968 Modoc Cedar Pass Rd, St Hwy 299, 12 mi E of Alturas 1524 Comment
  CAS-BOT-BC211384  Eriogonum sphaerocephalum var. halimioides Bruce Bartholomew; Barrett Anderson 1988-6-23 4252 Modoc 4.2 km NW of Day. 1020 Comment
  NY283120  Eriogonum sphaerocephalum var. halimioides R. M. Austin 2319 Modoc Goose Lake Valley Comment
  POM253237  Eriogonum sphaerocephalum var. halimioides A. A. Heller 1938-6-24 15224 Modoc Occasional clumps in gravel on slopes between Alturas and Canby. 1341 Comment
  RSA125288  Eriogonum sphaerocephalum var. halimioides Peter H. Raven, Otto T. Solbrig 1958-6-18 13317 Modoc Meadow in forest of Pinus Jeffreyi, along dirt road 8.8 mi. south of Happy Camp Guard Station, Modoc National Forest. 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
  SEINET11261408  Eriogonum sphaerocephalum var. halimioides D. H. Norris, T. Nelson; Steve Dowty 1971-6-23 19385 Modoc Along Hager Basin Road near Big Sage Reservoir.; 0 Comment
  SEINET3160082  Eriogonum sphaerocephalum var. halimioides L. S. Rose 1940-6-11 40510 Modoc Indian Spring, 7 mi. n. of Adin 1524 Comment
  UC1540241  Eriogonum sphaerocephalum var. halimioides Dean Wm. Taylor, Glenn L. Clifton 1987-6-27 9105 Modoc along Highway 395 about 3.5 mi n n junction with Highway 299 1371 Comment
  SEINET5331611  Eriogonum sphaerocephalum var. halimioides M. J. Williams 1984-4-1 84- 88 -1 Modoc NW of Alturas, 3.5 mi N of Hwy 299, Crowder Flat Road. 1372 Comment
  CAS-BOT-BC211361  Eriogonum strictum subsp. anserinum C. L. Hitchcock 1940-5-27 6656 Modoc 9 miles northeast of Alturas. 1402 Comment
  CAS-BOT-BC211366  Eriogonum umbellatum B. Bartholomew; Barrett Anderson 1988-6-25 4394 Modoc 5.6 km NW of State Highway 299 on County Road 73 1500 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
  CHSC67125  Eriogonum umbellatum var. modocense James D. Jokerst 1987-5-11 2829 Modoc Radar Survey Site S of Doublehead Mtn., S of Clear lake Reservoir. 1363 Comment
  JEPS126556  Eriogonum umbellatum var. modocense Lowell Ahart, John Dittes 2016-6-6 20946 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
  JEPS3933  Eriogonum umbellatum var. modocense N. T. Mirov 1929-6-16 Modoc e on Fandango Valley road Goose Lake (Buck Creek Ranger Station); Warner Mountains, Buck Creek Ranger Station 1554 Comment
  CAS-BOT-BC197611  Eriogonum umbellatum var. polyanthum Annie Montague Alexander; L. Kellogg 1946-7-30 5094 Modoc East slope below summit of Eagle Peak. Comment
  CAS-BOT-BC197616  Eriogonum umbellatum var. polyanthum Bruce Bartholomew 1990-6-18 5380 Modoc Crowder Flat Rd, 0.3 km N of turn off to Big Sage Reservoir. 1480 Comment
  CAS-BOT-BC197621  Eriogonum umbellatum var. polyanthum Margaret J. Williams 1984-7-1 84- 87 -6 Modoc NW of Alturas, Crowder Flat Road, near Big Sage Reservoir. 1371 Comment
  CAS-BOT-BC197776  Eriogonum umbellatum var. polyanthum Alice Eastwood; John Thomas Howell 1940-6-13 8115 Modoc Surprise. Comment
  CAS-BOT-BC197777  Eriogonum umbellatum var. polyanthum Annie Montague Alexander; L. Kellogg 1946-7-30 5094 Modoc East slope below summit of Eagle Peak. Comment
  CAS-BOT-BC197591  Eriogonum vimineum Clare Butterworth Hardham 7836 Modoc Davis Creek. 1676 Comment
  CAS-BOT-BC197601  Eriogonum vimineum R. M. Austin 1898-8-1 2317 Modoc Goose Lake valley. Comment
  CAS-BOT-BC197606  Eriogonum vimineum J. L. Gentry; E. Jensen 1968-7-4 2112 Modoc 15.2 mi. NW of Hwy. jct. Calif. 139 and Calif. 299, on Calif. 139. 1447 Comment
  JEPS56153  Eriogonum vimineum W. L. Jepson 1918-8-6 7851 Modoc Surprise Valley 1447 Comment
  UC1093643  Eriogonum vimineum Herbert L. Mason 1947-7-10 13335 Modoc 2 air mi e Alturas (on mesa); Doris Reservoir Comment
  UC6526  Eriogonum vimineum Mrs. R. M. Austin and Bruce Aug 1898 2317 Modoc Goose Lake valley Comment
  CAS-BOT-BC197596  Eriogonum vimineum Harvey Monroe Hall 1925-8-30 12210 Modoc Mountain slopes, E side Goose Lake. Comment
  HSC17397  Eriogonum vimineum M. T. Milligan 1964-8-8 222 Modoc 2 mi. W on Jones Lane at Westside Canal, from Hwy. 395 1372 Comment
  HSC17398  Eriogonum vimineum M. T. Milligan 1964-7-24 163 Modoc Badger Wells Rd. at Boles Creek Crossing 1524 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-BC49560  Eriophyllum lanatum Bruce Bartholomew; Barrett Anderson 1988-6-23 4264 Modoc 1.8 km WSW of Day on County Road 94. 1170 Comment
  CAS-BOT-BC49561  Eriophyllum lanatum Bruce Bartholomew; Barrett Anderson 1988-7-21 4461 Modoc Vicinity of Patterson Campground, southern end of the Warner Mts. 2190 Comment
  CAS-BOT-BC49562  Eriophyllum lanatum Bruce Bartholomew 1990-6-17 5296 Modoc Along Emerson Creek, 2.8 km SW of County Rd 1, E side of Warner Mts. 1600 Comment
  CAS-BOT-BC49568  Eriophyllum lanatum Bruce Bartholomew 1989-7-15 5001 Modoc Sweagert Flat. 1860 Comment
  CAS-BOT-BC49590  Eriophyllum lanatum John H. Hatton 1911-6-22 145 Modoc Modoc National Forest 1615 Comment
  CAS-BOT-BC49591  Eriophyllum lanatum Francis Dorris Payne 1934-8-29 s.n. Modoc Parker Creek. 1584 Comment
  CAS-BOT-BC49592  Eriophyllum lanatum Elmer Ivan Applegate 1932-8-1 8020 Modoc High summit of Warner Mts. S of Warren Peak. Comment
  JEPS127711  Eriophyllum lanatum Alejandro Brambila, Michael Dolan 2016-7-20 CA 320 -166 Modoc Old railroad trail from Jess Valley Road. Head south Comment
  UC201710  Eriophyllum lanatum var. achilleoides W. P. Taylor and H. C. Bryant 1910-7-13 Modoc Head N. Fork Parker Cr. Warner Mountains, Head N. Fork Parker Cr. 2286 Comment
  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
  UC71787  Eriophyllum lanatum var. achilleoides Mrs. M. H. Manning 1903-6 186 Modoc near Fort Bidwell (ne Modoc County) Comment
  JEPS15487  Eriophyllum lanatum var. achilleoides Joseph and Hilda Grinnell 1938-7-16 1112 a Modoc Cedar Pass summit Warner Mountains, Cedar Pass summit 1935 Comment
  RSA504606  Eriophyllum lanatum var. achilleoides Bruce Bartholomew, B. Anderson 1988-6-23 4264 Modoc 1.8 km WSW of Day on County Road 94. 1170 Comment
  UC186458  Eriophyllum lanatum var. achilleoides Mrs. M. H. Manning 1905-6-12 711 Modoc ne Modoc County Warner Range 1524 Comment
  HSC5597  Eriophyllum lanatum var. integrifolium M. T. Milligan 1966-7-3 530 Modoc E of Jess Valley 1890 Comment
  CAS-BOT-BC21478  Eryngium articulatum Leland S. Smith 1922-8-10 1334 Modoc Medow W of Gutzman's. 1432 Comment
  HSC93553  Eryngium articulatum G. Fred Hrusa, T. D. Wilfred 1996-7-21 13298 Modoc Low drainage adjacent to Modoc Co. Rd. 90 bridge over Pit River. E base of Splawn Mtn., N end of Big Valley 1500 Comment
  UC809837  Eryngium articulatum G. L. Stebbins Jr. with P. Dansereau, C. McMillan, and K. Narayan 1949-8-7 4012 Modoc 35 mi. s. Tule Lake (Mud Lake); Mud Lake 1524 Comment
  UCD77704  Eryngium mathiasiae Robert E. Preston 2000-7-17 1390 Modoc Ca. 11 mi nw of Canby, on n side of Hwy 139, 2.5 mi e of Forest Service Rd. 1490 Comment
  RSA520493  Eryngium mathiasiae Bruce Bartholomew 1989-8-10 5041 Modoc Little Hot Springs Valley, 3.9 km NW of Day 1070 Comment
  SEINET11249726  Erysimum capitatum var. capitatum A. Sanger 1996-6-11 2205 Modoc Crest of Paynes Peak, near radio tower. 2323 Comment
  CDA3714  Erysimum cheiranthoides T. C. Fuller 1958-7-8 1956 Modoc Corporation Ranch, Likely. 0 Comment
  CHSC114309  Erysimum repandum Carri Pirosko 2008-6-10 Modoc Alturas, Schluter Ranch, Pencil Rd. X HWY 395. Comment
  CAS-BOT-BC234458  Erythranthe primuloides Bruce Bartholomew 1995-7-30 7067 Modoc NE side of Big Valley Mountains, W of Lookout Junction. 1310 Comment
  CAS-BOT-BC234467  Erythranthe pulsiferae Leland S. Smith 1924-5-31 1362 Modoc Egg Lake Ranch. 1310 Comment
  RSA185361A  Erythranthe pulsiferae Clare B. Hardham 1961-6-17 7514 Modoc Cedar Pass Camp Ground, Warner Mountains. Comment
  CAS-BOT-BC402921  Eschscholzia californica Elmer I. Applegate 1935-6-12 9523 Modoc Lava Beds National Monument. Caldwell Butte, south slope Comment
  UC10027  Eschscholzia californica Milo S. Baker 1893-6-18 Modoc Comment
  CHSC106196  Euthamia occidentalis Lowell Ahart; John Dittes 2010-8-31 17102 Modoc On the east side of Elkins Lane, about 10 yards east 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-BC247714  Festuca idahoensis Alan Ackerman Beetle 1941-6-29 2833 Modoc Near summit of Mt. Adin. 1828 Comment
  CHSC117227  Festuca idahoensis Lowell Ahart; John Dittes 2016-6-6 20941 Modoc About 20 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
  UCD66091  Festuca idahoensis A. H. Shunk 1923-7-26 Modoc Modoc and Siskiyou County: Tule Lake. Comment
  CAS-BOT-BC247704  Festuca idahoensis Leland S. Smith 1917-7-12 100 Modoc Bald Mt. and Cedar. 2560 Comment
  JEPS69238  Festuca idahoensis Leland S. Smith 1917-7-15 860 Modoc Comment
  JEPS74011  Festuca pratensis Frances D. Payne 1932-7-18 711 Modoc s. and e. Alturas (Parker Creek); Warner Mts., Parker Creek 1584 Comment
  UC1037139  Festuca pratensis Leo Whitney 1935-6-29 3360 b Modoc Alturas Comment
  CAS-BOT-BC179186  Floerkea proserpinacoides B. Bartholomew 1992-5-16 6323 Modoc Lunsford Spring. 1600 Comment
  CAS-BOT-BC179187  Floerkea proserpinacoides Margaret J. Williams 1984-6-30 84- 80 -1 Modoc 6.8 mi. W of Cedarville-Gerlach road, Granger Canyon Rd. 1981 Comment
  CAS-BOT-BC214651  Fragaria virginiana Bruce Bartholomew 1994-5-27 6701 Modoc SW side of White Horse Reservoir. 1330 Comment
  UC1714500  Fragaria virginiana subsp. platypetala Milo S. Baker 1893-6-15 Modoc Forestdale <locality from pencil note on sheet> Forestdale Comment
  NY188595  Frasera albicaulis B. J. Ertter 1988-6-18 7620 Modoc Hwy 139 ca. 50 airmiles SW of Klamath falls, a few miles N of Agric. Inspection station, 1 mi. S of S jct to lava Beds National Monument E of Tonesta. 1310.6 Comment
  CAS-BOT-BC191138  Fraxinus latifolia Leland S. Smith 1410 Modoc Modoc County. Comment
  SD133989  Fraxinus latifolia B. Bartholomew 1991-7-6 5982 Modoc West side of Egg Lake. 1299 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
  POM109749  Fritillaria atropurpurea Mrs. R. M. Austin 1895-06 484 Modoc Sugar Hill Comment
  SEINET8478730  Fritillaria atropurpurea W. Roderick 1963-1 Modoc Comment
  UC3638  Fritillaria atropurpurea Milo S. Baker 1893-6-10 Modoc Comment
  UC176215  Fritillaria pudica B. C. Goldsmith 1912-5-8 48 Modoc n of Alturas 1524 Comment
  UC190697  Fritillaria pudica M. F. Gilman 582 Modoc Modoc County 1676 Comment
  HSC80761  Galium aparine G. M. Riegel 1980-7-24 935 Modoc South Warner Mtns. 2100 Comment
  POM367842  Galium asperrimum Christopher Davidson 1975-6-4 s.n. Modoc 2.5. miles W of Cedarville on Hwy 299. 1677 Comment
  CAS-BOT-BC225061  Galium bifolium Bruce Bartholomew 1990-6-15 5243 Modoc Top of Manzanita Mountain in vicinity of Manzanita Lookout. 2130 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
  SD70497  Galium glabrescens subsp. modocense F. Ehrendorfer, G. L. Stebbins 1959-6-28 5909 Modoc Warner Mountains. Horse Mountain, near the top 2591 Comment
  UC1736402  Galium grayanum var. nanum Dean W. Taylor 1989-8-5 10467 Modoc Warner Mountains; North Emerson Lake, cirque above the lake 2392 Comment
Read comments
Feb 1 2007
  SBBG18758  Galium serpenticum C. B. Hardham 1961-6-20 7865 Modoc mouth of Pine Crk Cyn 1554 Comment
  CAS-BOT-BC225084  Galium triflorum Bruce Bartholomew; Barrett Anderson 1988-7-22 4531 Modoc Mill Creek, Lake City Canyon, 5.5 km W of Lake City, E side of the Warner Mts.. 1860 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
  UC1618179  Gayophytum decipiens Barbara Ertter 1988-6-18 7624 Modoc Hwy 139 a few mi n Agric. Inspection Station (1 mi s of s jct to Lava Beds Nat'l Monument e of Tonesta, ca 50 air mi sw of Klamath Falls) 1310 Comment
  POM204135  Gayophytum decipiens J. T. Howell 1934-6-14 12125 Modoc Near Lost Lake, Warner Mts. 2439 Comment
  CAS-BOT-BC190854  Gayophytum diffusum subsp. parviflorum Bruce Bartholomew; Barrett Anderson 1989-6-2 4777 Modoc Top of Fandango pass, Warner Mountains. 1870 Comment
  JEPS27527  Gayophytum diffusum subsp. parviflorum W. L. Jepson 1918-8-7 7863 Modoc Mt. Bidwell 2133 Comment
  SD58201  Gayophytum diffusum subsp. parviflorum W. L. Jepson 1918-8-7 7863 Modoc Mt. Bidwell 2133 Comment
  POM38705  Gayophytum ramosissimum R. M. Austin 1895-07 468 Modoc Goose Lake Valley. Comment
  POM128266  Gentiana affinis M. H. Manning 1903-8-27 333 Modoc Tamarack Flat, near summit of Mt. Bidwell. Comment
  CAS-BOT-BC180059  Geranium viscosissimum Robert Patterson; Mona Bourell 1993-8-15 5268 Modoc Warner Mountains. Along trail from Patterson Lake to ca. 2 mi north towards Pepperdine Trailhead. 2743 Comment
  CAS-BOT-BC180076  Geranium viscosissimum Leland S. Smith 1924-6-29 1443 Modoc Happy Camp Ranger Station. Comment
  CAS-BOT-BC180077  Geranium viscosissimum John H. Hatton 1911-6-13 79 Modoc Modoc County. 1389 Comment
  CHSC109892  Geranium viscosissimum B. Castro; L. P. Janeway 2012-7-26 1965 Modoc Warner Mountains. Along Highgrade National Recreation Trail 0.65 air mi SW of Little Lily Lake and 0.9 air mi N of Mt. Vida. 2336 Comment
  JEPS61436  Geranium viscosissimum Leland S. Smith 1918-7-21 1002 Modoc Blue Lake Modoc Forest 1828 Comment
  CAS-BOT-BC214657  Geum macrophyllum Barrett Anderson 1986-7-10 3196 Modoc West Warner Rd at the North Fork of Pine Creek, Warner Mts. 1935 Comment
  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
  CAS-BOT-BC214679  Geum triflorum Mrs. H. C. Cantelow 1941-5-23 s.n. Modoc E of Adin Pass Summit, on U.S. highway 299. 1576 Comment
  CAS-BOT-BC214683  Geum triflorum Robert Patterson; Mona Bourell 1993-8-15 5250 Modoc Warner Mountains. Along trail from Patterson Lake to ca. 2 mi north towards Pepperdine Trailhead. 2743 Comment
  POM140053  Geum triflorum var. ciliatum Milo S. Baker 1893-1 s.n. Modoc Forestdale Comment
  RSA149067  Geum triflorum var. ciliatum I. L. Wiggins 1961-6-14 16480 Modoc along Lassen Creek, on road to Davis Creek, Warner Mts Comment
  RSA504665  Geum triflorum var. ciliatum K. Paulson, R. Paulson 1988-5-22 s.n. Modoc Boles Creek, Devil's Garden. 1402 Comment
  SEINET201592  Gilia capillaris Arthur Cronquist, Athur H. Holmgren 1959-6-20 8522 Modoc Drying swale along intermittent streamlet at Cedarville Pass; Warner Mts. between Cedarville and Alturas 19 Comment
  CAS-BOT-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
  NY964544  Gilia leptomeria B. M. Bartholomew 1991-6-22 5849 Modoc East side of Surprise Valley, 9.6 km east of Eagleville at the Nevada Border 1520 Comment
  NY964515  Gilia leptomeria var. micromeria B. M. Bartholomew 1990-6-17 5336 Modoc Surprise Valley, SE corner of Upper Alkali Lake. 1390 Comment
  CAS-BOT-BC190679  Gilia modocensis Bruce Bartholomew 1991-5-25 5764 Modoc 8 km E of Likely on road to Jess Valley, N side of road along N side of S Fork of Pit River. 1460 Comment
  CAS-BOT-BC190657  Gilia modocensis Elmer I. Applegate 1936-5-9 10259 Modoc Lave Beds National Monument, Hippo Butte. Comment
  RSA0004803  Gilia modocensis Alice Eastwood, J. T. Howell 1940-6-12 8073 Modoc Between Likely and Jess Valley. Comment
  RSA104288  Gilia modocensis Verne Grant, Alva Grant 1956-5-18 9804 Modoc area between Likely and Jess Valley (Type locality of G. modocensis Eastw.). 1524 Comment
  NY964019  Gilia salticola B. M. Bartholomew 1991-5-24 5710 Modoc Surprise Valley, east of Eagleville at the Nevada State boundary 1520 Comment
  CAS-BOT-BC190668  Gilia sinistra subsp. sinistra Bruce Bartholomew 1991-7-4 5915 Modoc Road between Roney Flat and Miller Flat. 1630 Comment
  CAS-BOT-BC247694  Glyceria striata Leland S. Smith 1918-8-18 1040 Modoc South Fork East Creek, Eagle Peak Range. 2682 Comment
  JEPS117376  Gnaphalium palustre Lowell Ahart, John Dittes 2010-8-30 17075 Modoc About 10 yards west of the fence, south edge of the meadow, Ash Creek State Wildlife Area, 2300 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley. Comment
  JEPS6009  Gnaphalium palustre Frances D. Payne 1932-7-8 666 Modoc grainfield Warner Mountains, Parker Creek (s and e of Alturas) 1584 Comment
  UC71856  Goodyera oblongifolia Mrs. M. H. Manning 1903-9-2 369 Modoc John Henry Camp, in north-eastern Modoc County John Henry Camp 1828 Comment
  CAS-BOT-BC229883  Gratiola ebracteata Bruce Bartholomew 1991-8-4 6020 Modoc Pine Spring, ca. 8 km directly W of Goose Lake. 1580 Comment
  CAS-BOT-BC229885  Gratiola heterosepala Bruce Bartholomew; Barrett Anderson 1990-7-19 5430 Modoc Sweagert Flat. 1860 Comment
  CAS-BOT-BC229892  Gratiola neglecta John Thomas Howell 1934-6-15 12201 Modoc Dorris Reservoir, 2 mi. E of Alturas. Comment
  JEPS21904  Gratiola neglecta Herbert L. Mason and Verne Grant 1947-7-11 13374 Modoc irrigation ditch near w side road s Alturas (South Fork of Pit River); South Fork of Pit River Comment
  POM41632  Grindelia nana Mrs. R. M. Austin 1895-07 572 Modoc Goose Lake Valley. Comment
  SEINET7725990  Habenaria sparsiflora Unknown 1886-1 Modoc Comment
  CAS-BOT-BC189600  Hackelia Clare B. Hardham 1961-6-18 7546 Modoc Hills 3 miles E of Cedar Pass, Warner Mountains 1828 Comment
  CAS-BOT-BC54093  Hackelia cusickii Bruce Bartholomew; Barrett Anderson 1989-6-3 4852 Modoc 6.4 km N of State Hwy 299 on Crowder Flat Road and ca. 5.5 km S of Big Sage Reservoir. 1550 Comment
  CAS-BOT-BC54094  Hackelia cusickii John Thomas Howell 1934-6-11 11960 Modoc Parker Creek, Warner Mountains 1584 Comment
  JEPS25294  Hackelia cusickii Frances D. Payne 1932-6-10 643 Modoc s. & e. Alturas (Parker Creek, Warner Mts.); Warner Mts., Parker Creek 1584 Comment
  UC604461  Hackelia cusickii G. L. Stebbins Jr. 1936-6-9 1818 Modoc e end of Bonner Grade (near Cedarville) Comment
  RSA531354  Hackelia cusickii Bruce Bartholomew, B. Anderson 1989-6-3 4852 Modoc 6.4 km N of State Hwy 299 on Crowder Flat Road and ca 5.5 km S of Big Sage Reservoir. 1550 Comment
  CAS-BOT-BC49547  Helianthus annuus Isabelo T. Kelly 1930-1-1 35 Modoc Fort Bidwell. Comment
  CAS-BOT-BC49549  Helianthus annuus Annetta Mary Carter 1946-8-18 1775 Modoc Round Valley, 3 mi. NE of Adin. 1402 Comment
  JEPS117167  Helianthus annuus Lowell Ahart, John Dittes 2010-8-30 17072 Modoc About 150 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-BC49505  Helianthus cusickii Margaret J. Williams; et al 1988-6-2 88- 28 -5 Modoc Jess Valley, E of Likely, S of roadside rest. Comment
  CAS-BOT-BC54063  Heliotropium curassavicum Elmer Ivan Applegate 1897-6-7 901 Modoc E side of Tule Lake. Comment
  UC32425  Heliotropium curassavicum Mrs. R. M. Austin and Bruce June 1898 2271 Modoc shore Goose Lake Goose Lake Comment
  CHSC106324  Hemizonia lobbii Lowell Ahart; John Dittes 2010-8-31 17094 Modoc On the east side of Elkins Lane, about 50 yards north of the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  CAS-BOT-BC21469  Heracleum lanatum Roxana Stinchfield Ferris; R. Duthie 1919-6-15 163 Modoc Parker Creek at Modoc National Forest boundary. Comment
  CAS-BOT-BC180043  Hesperochiron californicus Edward Kent Balls 1950-5-11 14617 Modoc 8 mi. N of Lake City, W shore of Upper Lake. 1402 Comment
  CAS-BOT-BC180035  Hesperochiron pumilus Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16415 A Modoc Near summit of Cedar Pass. 1932 Comment
  CAS-BOT-BC179181  Hesperolinon micranthum Frank Warrington Peirson 1926-6-25 6858 Modoc Cedarville Road, about 10 mi. E of Alturas. Comment
  UC1212251  Hesperolinon micranthum Herbert L. Mason 1946-7-13 13448 Modoc w end of pass near Goose Lake (on road to Ft. Bidwell); Fandango Pass Comment
  SD51762  Hesperolinon micranthum Helen K. Sharsmith 1955-6-25 4506 Modoc Modoc National Forest, Warner Mountains. North slope of Jess Valley. 1584 Comment
  UC217547  Hesperostipa comata H. M. Hall 1921-9-9 11663 Modoc 6 mi from Malin (northern Modoc Co.) Comment
  UC54112  Heterotheca villosa var. minor H. M. Hall and E. B. Babcock 1903-6-21 4237 Modoc Lava Beds Sierra Nevada Mountains (sw Modoc County) 1219 Comment
  CAS-BOT-BC225798  Heuchera cylindrica Bruce Bartholomew; Barrett Anderson 1990-7-20 5493 Modoc 10.3 km N of Buck Creek Ranger Station, crest of Warner Mountains W side of Warner Mts. 2130 Comment
  CAS-BOT-BC225800  Heuchera cylindrica Bruce Bartholomew 1995-8-1 7161 Modoc Bidwell Mtn., E side of the Warner Mountains. 2150 Comment
  CHSC113994  Heuchera cylindrica L. P. Janeway 2014-7-7 11451 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
  SEINET6033406  Heuchera cylindrica L. P. Janeway 2014-7-7 11451 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. Mt. Bidwell 7.5' quad 1554 Comment
  JEPS49732  Heuchera cylindrica var. glabella W. L. Jepson 1918-8-7 7880 Modoc Mt. Bidwell 2507 Comment
  UC748212  Heuchera cylindrica var. ovalifolia Annie M. Alexander and Louise Kellogg 1946-7-3 4902 Modoc 3.5 mi w Fort Bidwell; Bidwell Creek Canyon Comment
  UC748230  Heuchera cylindrica var. ovalifolia Annie M. Alexander and Louise Kellogg 1946-7-23 5042 Modoc e slope Emerson Peak; Warner Mountains Comment
  HSC69529  Hieracium albiflorum Gary Schoolcraft 1980-7-22 325 Modoc Lake City Canyon 1890 Comment
  POM35555  Hieracium albiflorum Mrs. R. M. Austin 1895-07 569 Modoc Goose Lake Valley. Comment
  UC32777  Hieracium albiflorum Milo S. Baker 1893-7-6 Modoc Comment
  JEPS36585  Hieracium nudicaule Milo S. Baker 1893-7-3 Modoc Comment
  CAS-BOT-BC49523  Hieracium scouleri Barrett Anderson 1986-7-9 3140 Modoc Roney Flat Rd just off Hwy 299. 1435 Comment
  CHSC38986  Hieracium scouleri J. D. Jokerst 1983-6-18 1860 Modoc Forest adjacent to meadow. 0.4 miles south of Crowder Flat on forest service road 73. Comment
  UC71692  Hieracium scouleri Mrs. M. H. Manning 1636 Modoc ne Modoc County Comment
  UC1536812  Hippuris vulgaris Gordon H. True Jr. 1939-7-21 1022 Modoc n. Canby (Jack Swamp); Jack Swamp Comment
  HSC10126  Holcus lanatus M. T. Milligan 1966-7-1 519 Modoc N end of Jess Valley. 1616 Comment
  SEINET8408787  Holodiscus microphyllus Unknown 1940-7-1 2155 Modoc Cedar Peak, Warner Mts. Comment
  CAS-BOT-BC214692  Holodiscus microphyllus var. glabrescens Francis Dorris Payne 1929-7-26 109 Modoc Pine Creek Basin. 2133 Comment
  CAS-BOT-BC214699  Holodiscus microphyllus var. glabrescens Bruce Bartholomew 1990-8-4 5626 Modoc Slope on NE side of Pine Creek Basin on trail to Patterson Lake, W side of Warner Mts. 2520 Comment
  CDA14600  Holodiscus microphyllus var. glabrescens G. D. Barbe 1991-8-27 4440 Modoc Warner Mountains; Windswept ridge east of Bald Mountain, Modoc National Forest. 2316 Comment
  RSA59360  Holodiscus microphyllus var. glabrescens E. K. Balls 1950-5-20 14813 Modoc South Fork Public Camp, South Fork Pit River, Likely to Clear Lake. 1433 Comment
  CAS-BOT-BC95208  Holosteum umbellatum subsp. umbellatum Bruce Bartholomew 1995-5-12 6900 A Modoc Near NE side of Day Rock above Little Hot Spring Valley. 1250 Comment
  SEINET190959 Image available Hordeum geniculatum A. A. Beetle 1941-5-29 2839 Modoc Near summit of Mt. Adin. 1829 Comment
  CAS-BOT-BC284697  Hordeum jubatum John Thomas Howell 1934-7-1 12348 Modoc Duncan Horse Camp Comment
  UC1037154  Hordeum jubatum Leo Whitney 1935-7-7 3400 Modoc 4 mi nw Canby; Howard Gulch Comment
  CDA32414  Hordeum jubatum T. C. Fuller 1958-7-8 1944 Modoc Likely: Corporation Ranch 0 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
  CHSC113983  Hordeum jubatum subsp. jubatum L. P. Janeway 2014-7-7 11453 Modoc Great Basin. Within the generally bare drawdown zone of Fee Reservoir. 1590 Comment
  CAS-BOT-BC214709  Horkelia fusca var. pseudocapitata R. M. Austin 1895-7-1 500 Modoc Willow Creek, Devil's Garden. Comment
  CAS-BOT-BC214712  Horkelia fusca var. pseudocapitata Roxana Stinchfield Ferris; L. Lorraine 1941-8-14 10586 Modoc 3 mi. from Patterson Ranger Station on road to Eagleville. Comment
  CAS-BOT-BC179319  Hydrophyllum capitatum var. alpinum Leland S. Smith 1919-6-1 1107 Modoc Deep Creek Ranger Station above pasture. 1524 Comment
  CAS-BOT-BC179329  Hydrophyllum capitatum var. alpinum M. M. Hanna 1956-6-5 963 Modoc Cedar Pass Camp ground. Comment
  CAS-BOT-BC179337  Hydrophyllum capitatum var. alpinum Edward Kent Balls 1950-5-12 14638 Modoc Above Bucks Creek Ranger Station. 1737 Comment
  HSC81071  Hydrophyllum capitatum var. alpinum G. M. Riegel 1980-6-25 768 Modoc S Warner Mtns. 1670 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
  UC24085  Hydrophyllum capitatum var. alpinum Mrs. R. M. Austin May 1894 Modoc Davis Creek Comment
  RSA420899  Hydrophyllum capitatum var. alpinum Christopher Davidson 1975-6-4 2616 Modoc 2.5 miles W of Cedarville on Hwy 299. 1677 Comment
  UC1537396  Hydrophyllum capitatum var. alpinum Gordon H. True Jr. 1938-6-25 918 Modoc s of Widow Valley 1219 Comment
  CAS-BOT-BC179892  Hypericum scouleri Leland S. Smith 1922-7-24 1314 Modoc Rush Creek Ranger Station pasture. 1905 Comment
  CAS-BOT-BC58446  Idahoa scapigera F. Angwin 1946-3-31 Modoc Adin. 1371 Comment
  UC10772  Idahoa scapigera Mrs. R. M. Austin April, 1894 Modoc Goose Lake Valley Comment
  CAS-BOT-BC179107  Iliamna bakeri Dean William Taylor 1988-8-11 10044 Modoc Damon's Butte (ca. 2 mi W of Hwy 139) in summit crater of butte. 1466 Comment
  UCD133486  Ionactis alpina C. N. Saulisberry 1964-7-1 s.n. Modoc eastern Modoc County. Comment
  SJSU11428  Ipomopsis aggregata H. L. Buckalew 1961-6-28 Modoc Fandango Pass Rd near Fandango Pass 1828 Comment
  UC194968  Ipomopsis aggregata W. P. Taylor and H. C. Bryant 1910-6-25 Modoc Parker Creek Warner Mtns 1676 Comment
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Apr 26 2007
  CAS-BOT-BC190656  Ipomopsis aggregata subsp. aggregata John H. Hatton 1911-6-23 155 Modoc Modoc County. 1676 Comment
  UC100829  Ipomopsis congesta Milo S. Baker Modoc Frestdale Comment
  UC1192314  Iris missouriensis Malcolm A. Nobs and S. Galen Smith 1949-5-29 770 Modoc 1 mi e Lake City Comment
  UC844909  Iris missouriensis C. L. Hitchcock 1940-5-28 6727 Modoc 15 mi n Alturas 1402 Comment
  POM109053  Iris missouriensis Mrs. R. M. Austin 1895-06 498 Modoc Goose Lake Valley Comment
  SEINET5342458  Isatis tinctoria M. J. Williams 1984-6-29 84- 73 -1 Modoc Fandango Pass road, Warner Mountains. 0.8 miles east of Hwy. 395. 1463 Comment
  CAS-BOT-BC30188  Isoetes bolanderi Annie Montague Alexander; L. Kellogg 1948-9-21 5624 Modoc 1 mi. SW top of grade between New Pine Creek and Fort Bidwell. 2286 Comment
  UC1192143  Iva axillaris subsp. robustior Herbert L. Mason and Verne Grant 1947-7-10 13344 Modoc 2 mi e of Alturas; Dorris Reservoir 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
  CAS-BOT-BC214719  Ivesia gordonii Bruce Bartholomew 1990-8-4 5643 Modoc Top of pass on Summit Trail, ca. 0.5 km SE of Patterson Lake, E side of Warner Mts. 2800 Comment
  CAS-BOT-BC214722  Ivesia gordonii Annie Montague Alexander; L. Kellogg 1946-8-9 5140 Modoc Patterson Lake Trail, Warner Mts. Comment
  NY833803  Ivesia gordonii B. M. Bartholomew 1991-8-5 6072 Modoc Summit Trail, northwest side of Squaw Peak, west side of Warner Mountains 2480 Comment
  UC1553372  Ivesia gordonii Sch/Yor/Hor/Ach 1988-7-16 1833 Modoc e slope Squaw Peak; Warner Mountains 2560 Comment
  CHSC110899  Juncus balticus subsp. ater Lowell Ahart; John Dittes 2012-7-12 18364 Modoc North edge of Ash Creek, south of the gravel pit, about 1/8 mile east of the parking area on the east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  CAS-BOT-BC10595  Juncus brachyphyllus John Thomas Howell 1934-7-3 12373 Modoc 5 mi. S of Hackamore. Comment
  CHSC112980  Juncus bufonius var. bufonius Lowell Ahart; John Dittes 2013-7-24 18928 Modoc Edge of a man made pond, about 50 yards south of the levee road, north side of Ash Creek Floodplain, 0.54 mile (air) southeast of Pilot Butte Parking Area, 1.1 miles (air) south of County Road 87, 6.8 miles (air) west of Adin, Big Valley. 1263 Comment
  CAS-BOT-BC245066  Juncus confusus Louis Cutter Wheeler 1935-9-23 4001 Modoc Pease Flat, Devil's Garden. 1524 Comment
  CAS-BOT-BC245061  Juncus ensifolius Leland S. Smith 1922-8-8 1332 Modoc Dutch Flat. 1524 Comment
  UC1601868  Juncus ensifolius Baker and Nutting 1894-7-6 Modoc Dixie Valley Comment
  CHSC117756  Juncus hemiendytus var. abjectus L. P. Janeway 2016-5-18 12069 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
  RSA325012  Juncus hemiendytus var. abjectus A. Tiehm 1984-6-30 8834 Modoc NW side of Bidwell Mt., 2.2 road miles north of 8 mile creek on the road from Lake Annie. 1844 Comment
  UC70012  Juncus mertensianus Mrs. M. H. Manning Jun 1903 446 Modoc ne Modoc County Comment
  UC1142955  Juncus nevadensis A. L. Hormay 1941-6-23 35 Modoc Spaulding Reservoir Modoc National Forest Comment
  UCD141620  Juncus nevadensis Verne Grant; Irving Schneider 1947-7-22 8149 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
  SD139421  Juniperus occidentalis F. C. Vasek 1962-9-2 day 16 Modoc 4.2 miles east of Likely. 1735 Comment
  UC401375  Juniperus occidentalis Belknap C. Goldsmith 1911-5-21 Modoc county road near Goose Lake; Modoc National Forest Comment
  SBBG128751  Juniperus occidentalis L. Ahart, J. Dittes 2008-8-26 15358 Modoc SE side of Rose Crk, 750 feet SW of confluence of Rose Crk and Pit River, on the NW side of unnamed rd, 2660 feet E of intersection with County Rd 85a, 9.3 mi (air) NNE of Lookout 1276 Comment
  RSA639612  Juniperus occidentalis var. occidentalis L. C. Wheeler 1935-8-8 3813 Modoc Warner Mountains: Pine Creek. 1646 Comment
  CAS-BOT-BC95668  Kalmia polifolia Elmer Ivan Applegate 1932-8-7 8224 Modoc Just above Lily Lake. Comment
  UC76672  Kelloggia galioides Milo S. Baker Modoc Forestdale Comment
  CAS-BOT-BC247648  Koeleria macrantha Leland S. Smith 1920-7-13 1187 Modoc Crowder Flat. 1371 Comment
  RSA534494  Koeleria macrantha Bruce Bartholomew, B. Anderson 1990-7-19 5394 Modoc Turner Creek at County Rd 90, N end of Big Valley, 6.4 km N of Lassen County border. 1230 Comment
  JEPS6030  Lagophylla ramosissima Frances D. Payne 1931-6-18 192 Modoc s and e of Alturas Parker Creek; Warner Mountains 1584 Comment
  JEPS6021  Lagophylla ramosissima Frances D. Payne 1935-7-23 802 Modoc s and e of Alturas Parker Creek; Warner Mountains 1584 Comment
  CAS-BOT-BC49494  Lagophylla ramosissima subsp. ramosissima Alice Eastwood; John Thomas Howell 1940-6-14 8202 Modoc Near Kelly Hot Spring. Comment
  RSA0113971  Lagophylla ramosissima subsp. ramosissima Lowell A. Ahart, John Dittes 2008-8-25 15327 Modoc On the west side of County Road 91, 3.9 miles (air) north-north-east of Lookout. 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
  JEPS118443  Lamium amplexicaule Lowell Ahart, John Dittes 2011-6-21 17523 Modoc About 100 yards west of the fence, south edge of the meadow, Ash Creek State Wildlife Area, about 2,300 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley 1267 Comment
  CAS-BOT-BC181980  Lathyrus brownii Bruce Bartholomew; Mona Bourell 1990-4-27 5168 Modoc NW side of Rice Flat, ca. 2 km S of Adin Pass. 1540 Comment
  RSA531339  Lathyrus brownii Bruce Bartholomew, M. Bourell 1990-4-27 5168 Modoc NW side of Rice Flat, 2km S of Adin Pass. 1540 Comment
  CAS-BOT-BC181972  Lathyrus rigidus Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-13 16472 Modoc 2.4 mi. S of Davis Creek. Comment
  SEINET7073588  Layia fremontii A. G. Vestal 1955-5-18 s.n. Modoc Modoc lava on Route 139. Modoc National Forest. UTM Zone 10, 646374mE, 4627855mN. Coordinate datum: NAD27. Comment
  CAS-BOT-BC49455  Layia glandulosa C. C. (Mrs.) Bruce 1898-6-1 2172 Modoc Near Alturas. Comment
  POM229192  Ledum glandulosum L. C. Wheeler 1935-8-4 3777 Modoc Pine Creek, Warner Mts. 2210 Comment
  CHSC115829  Lemna minuta Lowell Ahart; John Dittes 2015-7-17 20397 Modoc On the south side 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
  CHSC117030  Lemna minuta Lowell Ahart; John Dittes 2016-6-6 20969 Modoc About 100 yards east of the parking area, about one mile south of the intersection of County Road 87 and Access Road to Pilot Butte parking area, 3.8 miles (air) east of Lookout, 7.5 miles (air) west of Adin, Ash Creek State Wildlife Area. 1271 Comment
  SJSU9999  Lemna valdiviana H. L. Buckalew 1961-6-21 Modoc Stough (""Stowe"") Reservoir c. 2 mi N of Cedar Pass on the Alturas-Cedarville Rd, Warner Mts 1981 Comment
  CAS-BOT-BC58456  Lepidium campestre Bruce Bartholomew 1995-6-1 6925 Modoc 1.3 km E of Day between Day and Lookout on County Road 94. 1200 Comment
  CHSC118292  Lepidium campestre L. P. Janeway 2016-5-17 12043 Modoc Modoc Plateau. Devils Garden area; where Road 45N06 crosses Logans Slough; about 3.2 air-km north of Big Sage Reservoir. 1494 Comment
  CAS-BOT-BC58345  Lepidium dictyotum var. dictyotum Bruce Bartholomew 1991-5-24 5692 Modoc Surprise Valley, 5.1 km E of Eagleville. 1370 Comment
  JEPS114357  Lepidium lasiocarpum Lowell Ahart, John Dittes 2008-8-26 15332 Modoc On the sides of County Road 85a, 7.5 miles (air) north-northeast of Lookout 1303 Comment
  JEPS53644  Lepidium montanum Mrs. R. M. Austin 1888-1 336 Modoc s of Alturas; Pit River Comment
  HSC95687  Lepidium perfoliatum Juha Pykala, D. H. Norris 1987-5-28 1210 Modoc Surprise Valley, E of Cedarville, Hwy. 299 across Middle Alkali Lake 1363 Comment
  RSA101370  Leptosiphon harknessii R. Weatherby 1955-7-8 1612 Modoc Northern Warner Mountains: 7 miles north of Ft. Bidwell 1875 Comment
  RSA601530  Leptosiphon harknessii L. C. Wheeler 1935-8-16 3868 Modoc Dismal Swamp, Twenty Mile Creek. Warner Mountains. Mt. Diablo Mer. 2226 Comment
  OBI48893  Leptosiphon harknessii Lewis S. Rose 1940-6-14 Modoc 8 mi. nw. of Canby. 1524 Comment
  RSA41962  Leptosiphon harknessii Ella Dales Cantelow 1940-6-2 4133 Modoc N.W. of Canby on rd to lava beds. Comment
  SEINET7073595  Leucocrinum montanum A. G. Vestal 1955-5-18 s.n. Modoc Modoc lava on Route 139. Modoc National Forest. UTM Zone 10, 646374mE, 4627855mN. Coordinate datum: NAD27. Comment
  UC1134622  Leucocrinum montanum R. C. Wilson 1933-5-23 26 Modoc Pothole Gulch; Modoc National Forest, Canby Quad. 1341 Comment
  UC683361  Leucocrinum montanum R. C. Wilson 1933-5-23 86 Modoc Pothole Gulch 1341 Comment
  HSC15562  Leucocrinum montanum M. T. Milligan 1966-5-14 607 Modoc Plateau W of Jess Valley 1829 Comment
  SEINET10533573  Leucocrinum montanum Jeffrey Huber 1971-6-3 Huber 97 Modoc 5 miles s of canby on calif. Hwy. 299, Lupines heavily carpeting hillsides of Large basaltic boulders, sparse juniper, artemesia, purshia, poa assoc. 1280 Comment
  UC423437  Leucocrinum montanum M. F. Gilman 525 Modoc 1676 Comment
  RSA26470  Leucophysalis nana Alice Eastwood, John T. Howell 1940-6-13 8191 Modoc West side of Cedar Pass. Comment
  RSA534597  Leucophysalis nana Bruce Bartholomew 1991-7-6 5994 Modoc Webb Flat, 5.6 km S of turn off to Happy Camp Ranger Station. 1400 Comment
  CAS-BOT-BC197452  Lewisia nevadensis Leland S. Smith 1918-5-31 930 Modoc Little Grizzley Ranger Station, Lassen Creek. 1828 Comment
  CAS-BOT-BC197459  Lewisia nevadensis Bruce Bartholomew 1994-7-3 6833 Modoc Edge of Dismal Swamp, N end of Warner Mountains. 2180 Comment
  HSC26493  Lewisia nevadensis J. P. Smith, J. O. Sawyer 1972-5-6 5262 Modoc FS road to Quail Spring at Hwy. 299, N of Adin 1463 Comment
  UC748352  Lewisia nevadensis Annie M. Alexander and Louise Kellogg 1946-6-15 4780 a Modoc Deep Creek 2194 Comment
  CAS-BOT-BC197491  Lewisia rediviva Elmer Ivan Applegate 1932-7-9 7606 Modoc Summit of Bidwell Mountain, Warner Mts. Comment
  CAS-BOT-BC197497  Lewisia rediviva M. M. Hanna June 4 982 Modoc Cedar Pass Comment
  CAS-BOT-BC247638  Leymus cinereus John Thomas Howell 1934-6-30 12275 Modoc Duncan Horse Camp. 1355 Comment
  JEPS73989  Leymus cinereus Frances D. Payne 1932-6-27 646 A Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  CDA32457  Leymus cinereus G. D. Barbe, T. C. Fuller 1979-8-21 2546 Modoc East side of County Highway 1, 5.6 km south of Fort Bidwell, 3.2 lm north of Fandango Pass Road. 0 Comment
  JEPS117690  Leymus triticoides Lowell Ahart, John Dittes 2010-8-31 17120 Modoc West side of Elkins Lane, about 20 yards south of the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley 1267 Comment
  POM201804  Leymus triticoides Frances D. Payne 782 Modoc Warner Mts. Comment
  UC1037150  Leymus triticoides Leo Whitney 1935-7-6 3414 Modoc near Lookout; Pit River Comment
  UCD65618  Leymus triticoides L. Whitney 1935-8-7 3611 Modoc Modoc National Forest. Lake Joaquina, Hackamore, ca. 15 miles NW of Canby. 1463 Comment
  POM109710  Lilium humboldtii subsp. humboldtii Mrs. R. M. Austin 1895-06 s.n. Modoc Hills Comment
  CHSC40543  Lilium pardalinum subsp. pardalinum J. D. Jokerst 1983-6-12 1840 Modoc Small creek that flows through the Upper Rush Cr. Campground ca 100 meters upstream from the camp. Ca 8 miles north of Aden. Comment
  CAS-BOT-BC242074  Lilium pardalinum subsp. shastense Leland S. Smith 1922-7-20 1305 Modoc Rush Creek Ranger Station pasture. 1905 Comment
  CAS-BOT-BC238351  Limosella aquatica Herbert L. Mason; Verne Grant 1947-7-12 13418 Modoc Along railroad track, Pit River Valley, south of Alturas Comment
  CAS-BOT-BC198049  Linanthus ciliatus Barrett Anderson 1986-7-10 3189 Modoc West Warner Rd. N of the North Fork of Pine Creek. 1965 Comment
  CAS-BOT-BC198050  Linanthus ciliatus Bruce Bartholomew; Barrett Anderson 1988-6-23 4271 Modoc 4.0 km W of Day on County Road 94. 1340 Comment
  CAS-BOT-BC198039  Linanthus harknessii Peter Hamilton Raven; Otto Thomas Solbrig 1958-6-18 13334 Modoc 9.7 mi N of Adin on Hwy 299. Comment
  CAS-BOT-BC198042  Linanthus harknessii Margaret J. Williams 1983-7-29 83- 116 -8 Modoc 1.1 mi. N of Stowe Reservoir Campground. 2087 Comment
  NY1012638  Linanthus harknessii A. Tiehm 1984-6-30 8842 Modoc Northwest side of Bidwell Mountain, 2.8 road miles north of 8 mile creek on the road from Lake Annie 1828.8 Comment
  UC711955  Linanthus harknessii Roxana S. Ferris and Laura Lorraine 1941-8-13 10540 Modoc Patterson Ranger Station (East Creek drainage) Warner Mts., Modoc National Forest 2164 Comment
  UC748271  Linanthus harknessii Annie M. Alexander and Louise Kellogg 1946-7-10 4954 Modoc near Eight Mile Creek (ne corner of Modoc County) 1752 Comment
  CAS-BOT-BC198026  Linanthus nuttallii subsp. nuttallii K. Paulson; Robert Paulson 1989-7-14 179 Modoc Vicinity of Little Lily Lake, ca. 2.5 mi. S of the Oregon border, N end of Warner Mts. 2171 Comment
  CAS-BOT-BC198027  Linanthus nuttallii subsp. nuttallii Leland S. Smith 1918-7-13 991 Modoc Mill Creek, Nevada Sheep Range. 2133 Comment
  UCD123896  Linaria dalmatica subsp. dalmatica T. C. Fuller 1963-8-27 11168 Modoc old saw mill site, Sugar Hill Planting, Lassen Creek, ca. 6 miles southeast of Willow Ranch. Comment
  CDA6369  Linaria vulgaris T. C. Fuller 1963-7-16 10910 Modoc Lassen Creek, Sugar Hill Planting, ca. 6 miles southeast of Willow Ranch. 0 Comment
  CAS-BOT-BC179153  Linum lewisii M. M. Hanna 1956-6-4 955 Modoc Cedar Pass. Comment
  CAS-BOT-BC179155  Linum lewisii Ethel S. Willits 1940-6-5 325 Modoc Canby. Comment
  CAS-BOT-BC179164  Linum lewisii John H. Hatton 1911-6-10 19 Modoc Modoc County. 1524 Comment
  CHSC23910  Linum lewisii var. lewisii M. T. Milligan 1965-6-26 340 Modoc Eagle Peak Region, Warner Mountains. East slope eroded volcanic plateau. 1676 Comment
  CAS-BOT-BC242176  Listera convallarioides Bruce Bartholomew 1991-8-6 6088 Modoc Field redacted by CAS, contact the data manager for more information 2130 Comment
  CAS-BOT-BC242177  Listera convallarioides C. C. (Mrs.) Bruce 1898-1-1 s.n. Modoc Field redacted by CAS, contact the data manager for more information Comment
  CAS-BOT-BC225810  Lithophragma glabrum F. Angwin 1946-4-6 s.n. Modoc Adin. 1371 Comment
  CAS-BOT-BC225815  Lithophragma glabrum Annie Montague Alexander; L. Kellogg 1946-6-5 4666 Modoc Emerson Creek, S of Eagleville, Warner Mts. 2072 Comment
  CAS-BOT-BC225820  Lithophragma glabrum Bruce Bartholomew; Barrett Anderson 1989-4-28 4644 Modoc 8.8 km N of State Highway 299 on road to Raker & Thomas Reservoir. 1470 Comment
  UC11912  Lithophragma glabrum Mrs. R. M. Austin May, 1894 Modoc Goose Lake Valley Comment
  UC748215  Lithophragma glabrum Annie M. Alexander and Louise Kellogg 1946-6-5 4666 Modoc s Eagleville (Emerson Creek); Warner Mountains, Emerson Creek 2072 Comment
  CAS-BOT-BC225825  Lithophragma parviflorum R. M. Austin s.n. Modoc Modoc County. Comment
  CAS-BOT-BC248315  Lithophragma tenellum B. Bartholomew; H. Sun 2002-6-24 8857 Modoc Headwaters of Davis Creek, W side of the Warner Mountains 2160 Comment
  CHSC85192  Lithospermum arvense John Dittes; Josephine Guardino 1991-6-1 348 Modoc Modoc Plateau; Big Valley; Ash Creek Wildlife Area; ca. 7.7 air-miles northeast of Bieber, ca. 4.0 air-miles west by southwest of Adin, ca. 5.0 air-mile east by southeast of Pilot Butte summit, ca. 0.6 mile east of Walters Road and Owl Barn; meadow at southern edge of Ash Creek Floodplain. 1271 Comment
  UC24881  Lithospermum californicum Milo S. Baker 1893-6-20 Modoc Comment
  CAS-BOT-BC54028  Lithospermum ruderale Bruce Bartholomew 1991-5-25 5756 Modoc Turner Creek at County Rd. 90, N end of Big Valley, 6.4 km N of Lassen County line. 1230 Comment
  CAS-BOT-BC54075  Lithospermum ruderale Francis Dorris Payne 1932-6-22 576 Modoc Parker Creek. 1584 Comment
  CAS-BOT-BC21436  Lomatium bicolor var. leptocarpum Bruce Bartholomew 1995-6-4 6964 Modoc Round Valley 1.8 km S of State Hwy 299 on County road 86. 1280 Comment
  CAS-BOT-BC21441  Lomatium bicolor var. leptocarpum Bruce Bartholomew; Barrett Anderson 1989-4-28 4647 Modoc 8.8 km N of State Highway 299 on road to Raker & Thomas Reservoir. 1470 Comment
  CAS-BOT-BC21442  Lomatium bicolor var. leptocarpum Bruce Bartholomew 1991-6-21 5795 Modoc 1.6 km S of Davis Creek on U.S. Hwy 395. 1450 Comment
  CAS-BOT-BC21448  Lomatium bicolor var. leptocarpum Francis Dorris Payne 1932-6-10 628 Modoc Parker Creek. 1584 Comment
  CAS-BOT-BC21450  Lomatium bicolor var. leptocarpum Roxana Stinchfield Ferris; R. Duthie 1919-6-15 179 Modoc Parker Creek. 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
  CAS-BOT-BC21452  Lomatium bicolor var. leptocarpum Bruce Bartholomew; Barrett Anderson 1988-5-12 4108 Modoc S side of Egg Lake. 1300 Comment
  CHSC107350  Lomatium bicolor var. leptocarpum Lowell Ahart; John Dittes 2011-6-22 17548 Modoc About 50 yards east of the road, about 100 yards northeast of the Pilot Butte Parking Lot, north edge of Ash Creek Floodplain, 1.1 miles (air) south of County road 87, 7.7 miles (air) west of Adin, 10 miles (air) east of Lookout, Big Valley. 1264 Comment
  RSA164430  Lomatium bicolor var. leptocarpum Clare B. Hardham 1961-6-16 7891 Modoc Road from Mt. Bidwell to Dismal Cr. 2439 Comment
  UC21263  Lomatium bicolor var. leptocarpum Mrs. R. M. Austin and Bruce June 1898 2283 Modoc Fields, Goose Lake Comment
  CAS-BOT-BC30166  Lomatium dissectum var. multifidum John Thomas Howell 1934-6-13 12072 Modoc Fandango Pass. 1828 Comment
  RSA657119  Lomatium grayi G. L. Clifton 1995-5-17 34182 Modoc Surprise Valley Road, 2.9 miles north of Lake City. 1390 Comment
  CAS-BOT-BC30137  Lomatium macrocarpum Elmer Ivan Applegate 1937-5-13 11087 pp Modoc Top of Gillam Bluff, Lava Beds National Monument. Comment
  CAS-BOT-BC30139  Lomatium macrocarpum Alice Eastwood; John Thomas Howell 1940-6-12 8102 Modoc W side of Cedar Pass. Comment
  SEINET5333556  Lomatium nevadense var. nevadense D. Neal 1960-5-16 R- 50 Modoc 5 mi. NE of Likely Comment
  HSC28826  Lomatium nevadense var. parishii D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19505 Modoc Big Valley Summit, 6 mi. W of Adin on Hwy. 299 Comment
  UC748244  Lomatium nudicaule Annie M. Alexander and Louise Kellogg 1946-6-14 4771 Modoc Silver Creek branch of Patterson Mill rd. 1828 Comment
  SEINET8802402  Lomatium nudicaule R. R. Halse 1976-6-13 1400 Modoc Modoc National Forest, Upper Rush Creek Campground 1585 Comment
  JEPS5964  Lomatium triternatum var. macrocarpum Frances D. Payne 1931-6-18 197 Modoc S and E of Alturas (Parker Creek); Warner Mountains 1584 Comment
  UC106266  Lomatium triternatum var. macrocarpum Mrs. R. M. Austin 1894-1 78 Modoc Lava Beds w. Willow Creek; Lava Beds Comment
  CAS-BOT-BC21404  Lomatium triternatum var. triternatum Alice Eastwood; John Thomas Howell 1940-6-11 8030 Modoc 8 mi. from Canby on road to Alturas. Comment
  CAS-BOT-BC21425  Lomatium triternatum var. triternatum Alice Eastwood; John Thomas Howell 1940-6-15 8292 Modoc 9 mi. N of Lookout. Comment
  OBI8886  Lomatium vaginatum Lincoln Constance, Emil DiFulvio 1962-4-16 3750 Modoc 3.2 mi N of Likely 1311 Comment
  UC106268  Lomatium vaginatum Mrs. R. M. Austin 1894-1 74 Modoc Goose Lake Valley Comment
  CAS-BOT-BC95175  Lonicera involucrata var. involucrata Francis Dorris Payne 1955-7-21 Modoc Lily Lake. Comment
  CAS-BOT-BC181956  Lotus denticulatus John Thomas Howell 1935-6-11 11938 Modoc Parker Creek, Warner Mts. 1584 Comment
  NY704621  Lotus denticulatus J. T. Howell 1934-6-15 12204 Modoc Dorris Reservoir, 2 miles east of Alturas Comment
  UC71807  Lotus denticulatus Mrs. M. H. Manning Jun 1904 463 Modoc near Fort Bidwell (ne Modoc County) Comment
  CAS-BOT-BC181951  Lotus nevadensis var. nevadensis Bruce Bartholomew 1991-7-6 5983 Modoc W side of Egg Lake between lava beds. 1300 Comment
  CHSC106331  Lotus purshianus var. purshianus Lowell Ahart; John Dittes 2010-8-30 17068 Modoc About 5 yards east of fence, south edge of the meadow, Ash Creek State Wildlife Area, 2300 feet north of Lassen County line, 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  JEPS117168  Lotus purshianus var. purshianus Lowell Ahart, John Dittes 2010-8-30 17068 Modoc About 5 yards east of fence, south edge of the meadow, Ash Creek State Wildlife Area, 2300 feet north of Lassen County line, 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley 1267 Comment
  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
  RSA318941  Lupinus Patricia Wilder 1971-6-20 5091 Modoc North part of Egg Lake (now a meadow), northwest of Lookout; north of Bieber and California State Highway 299; Modoc National Forest. Cascades Mt. Range. 1372 Comment
  CAS-BOT-BC181903  Lupinus arbustus Annie Montague Alexander; L. Kellogg 1946-7-22 5038 Modoc Bear Camp Flat, Warner Mts. 2286 Comment
  CAS-BOT-BC181913  Lupinus arbustus K. Paulson; Robert Paulson 1991-7-27 245 Modoc Sugar Hill area. 2118 Comment
  CAS-BOT-BC181923  Lupinus arbustus Elmer Ivan Applegate 1932-7-31 7953 Modoc Mill Creek Meadows, W slope of Warner Mts. Comment
  UC748285  Lupinus arbustus Annie M. Alexander and Louise Kellogg 1946-7-17 5004 Modoc near Benton Meadow (Warner Mountains); , near Benton Meadow 2072 Comment
  CAS-BOT-BC498679  Lupinus arbustus Mrs. H. C. Cantelow 1941-5-22 s.n. Modoc Between Susanville & Alturas, 1 mi N of Madeleine Comment
  CAS-BOT-BC498680  Lupinus arbustus Mrs. H. C. Cantelow 1941-5-22 s.n. Modoc 2 mi E of Adin Summit (elevation at summit = 5173 ft) Comment
  POM298384  Lupinus arbustus subsp. calcaratus H. C. Cantelow 1940-6-1 s.n. Modoc Cedar Pass, Warner Mountains, east of Alturas. Comment
  CAS-BOT-BC182221  Lupinus argenteus H. P. Bracelin 1931-6-30 500 Modoc S end of Alturas. 1524 Comment
  LA205002  Lupinus argenteus Alice Eastwood; John Thomas Howell 1940-6-13 8137 Modoc W side of Fandango Pass Comment
  CDA27382  Lupinus argenteus T. C. Fuller 1971-7-14 19901 Modoc North slope above Long Valley, southern Warner Mountains, ca. 8 miles south of Eagleville. 0 Comment
  RSA0025580  Lupinus argenteus John F. Emmel 1996-7-15 1430 Modoc Warner Mtns; ridge 1.1-1.5 air mi south and 0.3-0.5 air mi west of Emerson Peak. 2409 Comment
  SEINET10870581  Lupinus argenteus subsp. argenteus Duane Isely, I. Isely 1971-7-11 Isely 11374 Modoc Roadside at intersection state 139 and 299. Flowers bright violet; standard Ascending 45 degrees; no basal leaves Comment
  NY733048  Lupinus argenteus var. argenteus J. T. Howell 1934-7-2 12367 Modoc West side of Clear Lake Comment
  CAS-BOT-BC182091  Lupinus argenteus var. heteranthus C. P. Smith 1947-6-13 47454 Modoc Highway 395, Davis Creek (town), 6.4 mi. S. Comment
  CAS-BOT-BC182097  Lupinus argenteus var. heteranthus R. M. Austin 1884-7-1 Modoc Hills near Davis Creek. Comment
  JEPS121194  Lupinus argenteus var. heteranthus Lowell Ahart, John Dittes 2013-7-25 18953 Modoc About 10 yards N of the E-W fence, S edge of Ash Creek floodplain, NE of Patterson Homestead, E of Elkins Lane, 1.0 air mile S of County Road 87, 3.14 air miles W of Adin, Big Valley. Comment
  UC711810  Lupinus argenteus var. heteranthus Roxana S. Ferris and Laura Lorraine 1941-8-14 10598 Modoc on Eagleville Road five and one-half mi from Patterson Ranger Station; Warner Mountains, Modoc National Forest Comment
  UC126981  Lupinus argenteus var. heteranthus Mrs. R. M. Austin and Bruce Jul 1898 2143 Modoc Comment
  UC201969  Lupinus argenteus var. heteranthus Franklin P. Nutting Modoc Big Valley; Lassen and Modoc Co. Comment
  CHSC112351  Lupinus brevicaulis L. P. Janeway; B. Castro 2014-2-6 11285 Modoc Great Basin. Along County Road 5 1.0 km west of the southwest corner of Cow Head Lake. 1627 Comment
  NY746670  Lupinus brevicaulis M. J. Williams 1988-6-2 88- 28 --3 Modoc Jess Valley, east of Likely, south of roadside rest Comment
  HSC76462  Lupinus burkei B. J. Cox 1970-6-8 2080 Modoc 1 mi. N of Davis Creek, on U.S. Hwy. 395 Comment
  HSC28501  Lupinus caudatus D. H. Norris, T. Nelson, S. Dowty 1971-6-23 19471 Modoc Upper Rush Creek Campground, about 8 mi. N of Adin on Hwy. 299 Comment
  POM266088  Lupinus caudatus C. Leo Hitchcock 1940-5-27 6653 Modoc 9 miles northeast of Alturas. 1402 Comment
  SD61033  Lupinus caudatus Darley F. Howe 1964-7-31 3907 Modoc 8.5 miles from entrance to Modoc National Forest; road east of Likely, Warner Mountains. Comment
  CAS-BOT-BC181888  Lupinus latifolius C. L. Hitchcock 1940-5-27 6664 Modoc 15 mi. NW of Alturas. 1615 Comment
  RSA520379  Lupinus latifolius subsp. latifolius Bruce Bartholomew, B. Anderson 1989-6-1 4753 Modoc Ca. 0.5 km west of Davis Creek on road to south end of Goose Lake. 1460 Comment
  UC201975  Lupinus latifolius var. viridifolius Mrs. M. H. Manning Aug. 1914 Modoc on Cedarville and Alturas Road 8 mi below Summit Warner Mts.; , below Summit on Cedarville and Alturas Rd. Comment
  UC865300  Lupinus latifolius var. viridifolius Lewis S. Rose 1940-6-13 40550 Modoc Davis Creek 1371 Comment
  CAS-BOT-BC181860  Lupinus lepidus var. sellulus Alice Eastwood; John Thomas Howell 1940-6-15 8302 Modoc 5 mi. N of Lookout. Comment
  CAS-BOT-BC181863  Lupinus lepidus var. sellulus Bruce Bartholomew 1990-6-15 5235 Modoc SE corner of Sweagert Flat. 1860 Comment
  CAS-BOT-BC181865  Lupinus lepidus var. sellulus K. Paulson; Robert Paulson 1989-5-21 118 Modoc Crowder Flat Road, Devil's Garden. 1341 Comment
  CHSC112052  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. 1260 Comment
  CAS-BOT-BC181854  Lupinus leucophyllus K. Paulson 1976-7-1 Modoc W of Canby on road to Happy Camp Guard Station. 1524 Comment
  NY747388  Lupinus leucophyllus var. belliae M. S. Baker 1893-6-20 s.n. Modoc Comment
  JEPS65480  Lupinus microcarpus var. microcarpus Frances D. Payne 1929-7-2 37 Modoc s and e Alturas (Parker Creek, Fern Spring Gulch); Warner Mountains, Parker Creek, Fern Spring Gulch 1584 Comment
  CAS-BOT-BC181828  Lupinus polyphyllus var. burkei Francis Dorris Payne 1931-6-25 258 Modoc Pine Creek Basin, Warner Mts. 2316 Comment
  CAS-BOT-BC181808  Lupinus saxosus Bruce Bartholomew 1991-5-25 5762 Modoc N side of the Pit River, ca. 10 km W of Hwy. 299 on Stone Coal Road. 1320 Comment
  CAS-BOT-BC181818  Lupinus saxosus Edward Kent Balls 1950-5-10 15965 Modoc 0.5 mi. past fork of Hwy 395 and road from Alturas to Cedarville. 1584 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
  SJSU13957  Lupinus saxosus N. A. Hopkins 1985-5-14 1274 Modoc between Alturas & Cedarville, Warner Mts 1524 Comment
  POM10921  Lupinus sellulus subsp. sellulus M. S. Baker 128 Modoc [No location information provided.] Comment
  HSC26002  Lupinus subvexus var. subvexus D. H. Norris, T. Nelson, S. Dowty 1971-6-23 19390 Modoc Along Hager Basin Rd. near Big Sage Reservoir. Comment
  CHSC117265  Lythrum tribracteatum Lowell Ahart; John Dittes 2016-7-14 21176 Modoc Southeast side of a new pond, south of Ash Creek Canal (now filled in), south of Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. 1273 Comment
  CAS-BOT-BC49428  Madia citriodora Bruce Bartholomew 1993-6-14 6649 Modoc 2 km E of County Road 114 on County Road 108, NW of Clear Lake Reservoir. 1320 Comment
  CAS-BOT-BC49475  Madia citriodora Bruce Bartholomew; Barrett Anderson 1988-6-23 4242 Modoc 4.2 km NW of Day. 1020 Comment
  HSC28864  Madia citriodora D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19482 Modoc Upper Rush Creek Campground, about 8 mi. N of Adin on Hwy. 299 Comment
  SFV18024  Madia elegans subsp. elegans J. A. Matos, D. C. Rudolph 1999-8-7 s. n. Modoc 5 miles northwest of Canby along Highway 139. 1400 Comment
  RSA149123  Madia elegans subsp. vernalis I. L. Wiggins, Dorothy Wiggins 1961-6-16 16526 Modoc 4.6 miles north of Adin Comment
  UC33230  Madia exigua Mrs. R. M. Austin August, 1894 Modoc Sugar Loaf Hill Comment
  RSA503052  Madia exigua Bruce Bartholomew, B. Anderson 1988-6-23 4225 Modoc 2.1 km SSE of Day on the road to State Highway 299. 1020 Comment
  CAS-BOT-BC49409  Madia glomerata Mrs. M. H. Manning 17 Aug 741 Modoc Joseph Creek. Comment
  CHSC99902  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
  UC159285  Madia glomerata Mrs. M. H. Manning 740 Modoc Hall's Meadows Comment
  CAS-BOT-BC49376  Madia gracilis Annie Montague Alexander; L. Kellogg 1946-7-12 4980 Modoc Twelve Mile Creek. Comment
  HSC5977  Madia gracilis M. T. Milligan 1965-6-30 401 Modoc Slopes and ridges E of Jess Valley 1768 Comment
  JEPS5999  Madia gracilis Frances D. Payne 1933-8-5 766 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  UC711828  Madia gracilis Roxana S. Ferris and Laura Lorraine 1941-8-13 10525 Modoc e Creek drainage Patterson Ranger Station; Modoc National Forest, Warner Mountains 2164 Comment
  RSA540059  Madia gracilis subsp. gracilis Bruce Bartholomew 1990-6-15 5210 Modoc Kelly Spring, 5.5 km south-southeast of Highway 299 on road from Rush Creek 1640 Comment
  NY500374  Mahonia repens B. M. Bartholomew 1989-6-1 4773 Modoc South Fork Davis Creek in the vicinity of the Plum Valley campground 1720 Comment
  POM228992  Mahonia repens L. C. Wheeler 1935-8-14 3838 Modoc Pine Creek. Warner Mtns. 2011 Comment
  CAS-BOT-BC242038  Maianthemum racemosum C. L. Hitchcock 1940-5-27 6681 Modoc 15 mi. NE of Alturas. 1615 Comment
  CAS-BOT-BC242171  Maianthemum stellatum Elmer Ivan Applegate 1932-8-6 8195 Modoc E side of Middle Lake near Nevada Line. Comment
  POM312927  Maianthemum stellatum Verne Grant, Irving Schneider 1947-7-22 8141 Modoc North Fork of Pit River on Highway 395. About 1 mile north of junction with Cedarville Road. Comment
  CAS-BOT-BC49387  Malacothrix sonchoides Bruce Bartholomew 1992-5-15 6290 Modoc Along Sand Creek in hills on the E side of Surprize Valley, E the N end of Middle Alkali Lake. 1410 Comment
  CAS-BOT-BC49389  Malacothrix sonchoides Bruce Bartholomew 1991-6-22 5845 Modoc E side of Surprise Valley, 9.6 km E of Eagleville at the Nevada border. 1520 Comment
  CAS-BOT-BC179101  Malva neglecta Alice Eastwood; John Thomas Howell 1940-6-13 8164 Modoc Fort Bidwell. Comment
  CHSC71841  Marsilea oligospora Vernon H. Oswald; Lowell Ahart 1998-9-8 9591 Modoc County Rd. 95 at Taylor Creek northwest of Lookout and ca. 0.5 air mi northeast of Lookout Junction. 1280 Comment
  POM312946  Marsilea vestita H. L. Mason, Verne Grant 1947-7-10 13350 Modoc Dorris Reservoir, 2 miles east of Alturas. Comment
  POM229956  Marsilea vestita L. C. Wheeler 1935-8-18 3897 Modoc 2 miles northeast of Alturas 1357 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
  JEPS65520  Medicago lupulina Frances D. Payne 1931-6-17 178 Modoc s and e of Alturas (Warner Mountains, Parker Creek); Warner Mountains, Parker Creek 1584 Comment
  SEINET7839547  Medicago sativa M. J. Williams 1984-6-29 84- 70 -3 Modoc North of Alturas on Hwy 395 almost to Oregon Border 1433 Comment
  HSC29816  Melica fugax D. H. Norris, P. Nelson, S. Dowty 1971-6-22 19320 Modoc Soup Springs Campground. Comment
  JEPS74034  Melica fugax Frances D. Payne 1932-7-1 654 Modoc 2 mi sw Mt. Warren (se Modoc County); Pine Creek Basin Comment
  SEINET191484 Image available Melica stricta var. stricta M. Ownbey, FG Meyer 1940-7-1 2152 Modoc Cedar Peak Warner Mts. Comment
  CAS-BOT-BC179868  Mentha arvensis Belknap C. Goldsmith 1912-8-6 82 Modoc W side of Goose Lake. 1463 Comment
  CHSC99961  Mentha canadensis Lowell Ahart; John Dittes 2008-8-26 15345 Modoc On the bottom of Rose Creek, 250 feet southwest of confluence of Rose Creek and Pit River, on the northwest side of unnamed road, 3160 feet east of intersection with County Road 85a, 9.3 miles (air) north-northeast of Lookout. 1276 Comment
  CAS-BOT-BC179132  Mentzelia dispersa R. M. Austin; C. C. (Mrs.) Bruce 1898-6-1 2368 Modoc Goose Lake. Comment
  CAS-BOT-BC179139  Mentzelia dispersa John Thomas Howell 1934-6-30 12264 Modoc Duncan Horse Camp. 1355 Comment
  CAS-BOT-BC179150  Mentzelia dispersa Bruce Bartholomew; Barrett Anderson 1988-6-24 4360 Modoc Vicinity of Patterson Campground, southern end of the Warner Mts.. 2190 Comment
  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
  CAS-BOT-BC179142  Mentzelia dispersa Belknap C. Goldsmith 1912-7-1 59 Modoc Modoc County. 1219 Comment
  SJSU9605  Mentzelia dispersa W. Savage 1979-7-5 1373 Modoc Triangle, Antelope Plainsa Unit, Devils Garden District, Modoc National Forest 1493 Comment
  CAS-BOT-BC179127  Mentzelia laevicaulis Elmer Ivan Applegate 1932-7-6 8188 Modoc Cedarville, Surprise Valley. Comment
  CAS-BOT-BC179111  Mentzelia veatchiana Bruce Bartholomew 1990-6-17 5334 Modoc Surprise Valley, at the W side of Middle Alkali Lake, directly E of Cedarville. 1370 Comment
  CAS-BOT-BC179117  Mentzelia veatchiana Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-10 6446 Modoc At the Nevada border directly E of Eagleville, E side of Surprise Valley. 1520 Comment
  CAS-BOT-BC54045  Mertensia ciliata Bruce Bartholomew; Barrett Anderson 1988-6-24 4301 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-BC498692  Mertensia ciliata E. K. Balls 1950-5-20 14791 Modoc South Fork Public Camp, South Fork Pit River (likely to Clear Lake) 1432 Comment
  CAS-BOT-BC54007  Mertensia oblongifolia var. amoena Francis Dorris Payne 1931-6-21 224 Modoc Ridge W of Dry Creek. 1981 Comment
  CAS-BOT-BC54009  Mertensia oblongifolia var. amoena Milo Samuel Baker 1893-8-1 s.n. Modoc Craigs. Comment
  CAS-BOT-BC54020  Mertensia oblongifolia var. oblongifolia E. S. Willits 1940-5-6 224 Modoc Lassen Creek, Willow Ranch. Comment
  CAS-BOT-BC54021  Mertensia oblongifolia var. oblongifolia Elmer Ivan Applegate 1932-7-9 7615 Modoc N side of Bidwell Mountain, Warner Mountains Comment
  CAS-BOT-BC54022  Mertensia oblongifolia var. oblongifolia Belknap C. Goldsmith 1913-5-13 97 Modoc W side of Warner Mts. 1584 Comment
  CAS-BOT-BC225960  Micranthes nidifica Mrs. H. C. Cantelow 1941-5-23 3533 Modoc E of Adin Pass Summit between Adin Canby, Hwy 299. 1576 Comment
  CAS-BOT-BC225963  Micranthes nidifica Bruce Bartholomew; Barrett Anderson 1989-6-2 4776 Modoc Buck Creek, 1 cm NE of Fandango Pass Road, W side of the Warner Mountains. 1660 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
  CHSC85104  Microseris laciniata subsp. laciniata John Dittes; Josephine Guardino 1991-7-21 410 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
  RSA0049627  Microseris nutans Dean Wm. Taylor 2012-6-5 21216 Modoc Vicinity Crank Spring (11 air miles North of Lookout) 1365 Comment
  UC748189  Microseris nutans Annie M. Alexander and Louise Kellogg 1946-6-14 4750 Modoc Patterson Mill Road, branch to Silver Creek 1828 Comment
  CAS-BOT-BC197906  Microsteris gracilis Alice Eastwood; John Thomas Howell 1940-6-14 8246 Modoc Between Mammoth Cave and Lava Beds Nat. Mon. Comment
  CAS-BOT-BC197911  Microsteris gracilis Bruce Bartholomew 1995-6-24 7028 Modoc Vicinity of old town site of Tionesta on Forest Service Road 44N17. 1430 Comment
  CAS-BOT-BC197916  Microsteris gracilis Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16431 Modoc Near summit of Cedar Pass. 1920 Comment
  CHSC117815  Microsteris gracilis L. P. Janeway 2016-5-16 11973 Modoc Modoc Plateau. Devils Garden area; along Road 47N07 1.8 road-km south of Road 181/73/47N09. 1573 Comment
  CAS-BOT-BC197901  Microsteris gracilis Leland S. Smith 1920-5-17 1147 Modoc Sears Place. 1645 Comment
  CAS-BOT-BC498685  Microsteris gracilis R. L. Ward 1976-5-18 3 Modoc Modoc National Forest: Cowhead - Pine Spring 1493 Comment
  POM204118  Microsteris gracilis subsp. gracilis J. T. Howell 1934-6-14 12133 Modoc Near Lost Lake, Warner Mts. 2439 Comment
  UC103785  Mimulus angustatus Mrs. R. M. Austin 1900-1-1 Modoc Comment
  CDA41657  Mimulus breviflorus S. E. Schoenig 1998-7-5 98 -68 Modoc West of railroad tracks, 1 mile north of Sagehen Summit, 20 meters east of Highway 395. Comment
  SEINET3365878 Image available Mimulus breweri Arthur Cronquist, Arthur H. Holmgren 1959-6-20 8520 Modoc Cedarville Pass; Warner Mountains between Cedarville and Alturas 1920 Comment
  JEPS127294  Mimulus evanescens Lowell Ahart, John Dittes 2016-7-14 21183 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
  JEPS127151  Mimulus guttatus Lowell Ahart, John Dittes 2016-7-16 21238 Modoc South of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.75 miles (air) west of Adin, Big Valley. Comment
  UC26980  Mimulus guttatus Milo S. Baker 1893-1 Modoc Forestdale Comment
  UC711826  Mimulus guttatus Roxana S. Ferris and Laura Lorraine 1941-8-13 10539 Modoc Patterson Ranger Station, East Creek drainage Warner Mountains, Modoc National Forest 2164 Comment
  SBBG15847  Mimulus lewisii J. R. Haller 1959-8-19 1462 Modoc 0.2 mi W of Cave Lake, jct on road between New Pine Crk and Ft Bidwell 2133 Comment
  RSA185359  Mimulus nanus var. nanus Clare B. Hardham 1961-6-19 7841 Modoc Willow Creek. Warner Mountains. 1524 Comment
  RSA535447  Mimulus nanus var. nanus David M. Thompson 1988-6-2 925 Modoc Ca. 6.8 mi NW of Canby. 0.1 mi SE of turnoff for Howard's Gulch Campground along Hwy 139. 1500 Comment
  UC1063559  Mimulus nanus var. nanus R. C. Wilson 1933-6-11 44 Modoc Rush Creek Camp Modoc National Forest, Alturas Quadrangle Comment
  RSA152603  Mimulus nanus var. nanus I. L. Wiggins, Dorothy B. Wiggins 1961-6-12 16413 Modoc Near summit of Cedar Pass, between Alturas and Cedarville. 1936 Comment
  JEPS86680  Mimulus pulsiferae L. R. Heckard with T. I. Chuang 1990-7-14 6761 Modoc 0.7 mi e Soldier Creek Rd. (along Old Common Mill Rd., ca. 2 mi n of Cedar Pass) 2075 Comment
  RSA594829  Minuartia douglasii Bruce Bartholomew 1993-6-12 6585 Modoc Road to Day Rock from Little Hot Spring Valley. 1250 Comment
  CAS-BOT-BC95216  Minuartia nuttallii Annie Montague Alexander; L. Kellogg 1946-7-30 5093 Modoc Eagle Peak, Warner Mts. Comment
  JEPS27121  Minuartia nuttallii subsp. gregaria Lauramay T. Dempster 1961-6-20 1714 Modoc ridge just n junction of Dismal Creek Road with Fort Bidwell Road; Warner Mountains 2346 Comment
  CAS-BOT-BC225805  Mitella pentandra Bruce Bartholomew; Barrett Anderson 1990-7-20 5500 Modoc Tamarack Flat, E side of Warner Mts. 2150 Comment
  CAS-BOT-BC179370  Monardella odoratissima subsp. glauca Annie Montague Alexander; L. Kellogg 1946-7-23 5060 Modoc E slope of Emerson Peak. Comment
  CAS-BOT-BC179375  Monardella odoratissima subsp. glauca Francis Marion Ownbey 1940-7-1 2150 Modoc Cedar Peak. Comment
  CAS-BOT-BC179856  Monardella odoratissima subsp. glauca Bruce Bartholomew 1990-8-4 5638 Modoc Top of pass on Summit Trail, ca. 0.5 km SE of Patterson Lake, E side of Warner Mts. 2800 Comment
  JEPS81094  Monardella odoratissima subsp. glauca G. Schoolcraft 1979-7-17 148 Modoc Above Stowe Reservoir 2072 Comment
  UC1561071  Monardella odoratissima subsp. glauca Dean Wm. Taylor with Glenn L. Clifton 1989-8-5 10462 Modoc Eagle Peak Warner Mountains 2880 Comment
  CAS-BOT-BC179857  Monardella odoratissima subsp. glauca Leland S. Smith 1918-8-18 1046 Modoc Ridge above Emerson. Eagle and Bear. 2438 Comment
  CHSC67816  Monardella odoratissima subsp. odoratissima James D. Jokerst 1990-8-1 3206 Modoc Lava Beds National Monument, summit and upper W-facing slope of Caldwell Minor near E edge of monument boundary. 1402 Comment
  RSA793423  Monardella odoratissima subsp. odoratissima J. D. Jokerst 1990-8-1 3206 Modoc Lava Beds National Monument, summit and upper west-facing slope of Caldwell Minor near east edge of monument boundary. 1402 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
  CAS-BOT-BC95545  Monolepis nuttalliana Bruce Bartholomew; Barrett Anderson 1989-6-3 4895 Modoc S side of Clear Lake Reservoir. 1400 Comment
  CHSC67101  Monolepis nuttalliana James D. Jokerst 1987-6-24 2939 Modoc NE of Doublehead Mtn., ca. 2.0 mi WSW of Red Lake. Comment
  RSA624456  Monolepis nuttalliana L. C. Wheeler 1935-9-29 4014 Modoc Two miles south of Alturas 1357 Comment
  CAS-BOT-BC197476  Montia chamissoi Bruce Bartholomew 1991-8-5 6040 Modoc Squaw Peak Trail on N side of Squaw Peak, E side of Warner Mts. 2420 Comment
  UC71835  Montia chamissoi Mrs. M. H. Manning 1903-5-1 115 Modoc near Fort Bidwell (in north-eastern Modoc Count) Comment
  CAS-BOT-BC197543  Montia linearis Bruce Bartholomew; Barrett Anderson 1988-5-12 4104 Modoc White Horse. 1340 Comment
  CAS-BOT-BC197545  Montia linearis Bruce Bartholomew; Barrett Anderson 1989-4-27 4614 Modoc 2.1 km SSE of Day on road to State Highway 299. 1020 Comment
  UC412633  Montia linearis Franklin P. Nutting 1894-6-8 Modoc near Egg Lake; Northern California Comment
  SEINET4925043  Montia linearis K. L. Chambers, P. Dorris 1963-5-4 2019 Modoc Hwy. 139, ca. 20 mi. s. of Tulelake Comment
  CAS-BOT-BC247566  Muhlenbergia filiformis Bruce Bartholomew 1992-8-9 6394 Modoc Upper region of Owl Creek drainage, below cliffs, E of Summit Trail, E side of Warner Mountains. 2500 Comment
  JEPS69319  Muhlenbergia filiformis Leland S. Smith 1918-1 Modoc Comment
  CAS-BOT-BC247561  Muhlenbergia richardsonis Alice Eastwood; John Thomas Howell 1940-6-14 8205 Modoc Near Kelly Hot Spring. Comment
  SEINET4343716 Image available Muhlenbergia richardsonis Unknown 1988-6-18 7609 Modoc West side of Hwy 139 just south of where it crosses railroad at junction to Clear Lake, NE of Dry Lake east of Lava Beds National Monument 1250 Comment
  UC1024923  Muhlenbergia richardsonis Leo Whitney 1935-6-29 3355 Modoc ca 15 mi nw Canby; Modoc National Forest, Lake Joaquina, Hackamore 1463 Comment
  UC1025030  Muhlenbergia richardsonis Leo Whitney 1935-7-19 3539 Modoc ca 15 mi nw Canby; Modoc National Forest, Lake Joaquina, Hackamore 1463 Comment
  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
  RSA496334  Myosotis scorpioides Elaine Joyal, D. Mehlman 1988-6-28 1288 Modoc N. Warner Mts., Pine Creek e. of New Pine Creek, Oregon. Comment
  CAS-BOT-BC217296  Myosurus minimus Bruce Bartholomew; M; M. Gilbert; L. E. Skog 1993-5-11 6501 Modoc SE side of Hager Basin, along Crowder Flat Road. 1680 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
  JEPS118476  Myosurus minimus Lowell Ahart, John Dittes 2011-6-21 17519 Modoc About 130 yards west of the fence, south edge of the meadow, Ash Creek State Wildlife Area, about 2,300 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley 1267 Comment
  SEINET188356 Image available Myriophyllum exalbescens C. L. Hitchcock 1940-5-28 6722 Modoc 15 mi N of Alturas (near Surprise). 1402 Comment
  CAS-BOT-BC198017  Navarretia breweri Beecher Crampton 1954-7-7 2144 Modoc W side of Cedar Pass, Warner Mts. 1889 Comment
  JEPS70251  Navarretia breweri Frances D. Payne 1929-7-26 125 Modoc 2 mi sw Warren Peak; Warner Mts., Pine Creek Basin 2286 Comment
  RSA601529  Navarretia breweri L. C. Wheeler 1935-8-16 3869 Modoc Dismal Swamp, Twenty Mile Creek. Warner Mountains. Mt. Diablo Mer. 2226 Comment
  SEINET201593  Navarretia breweri Arthur Cronquist 1959-6-20 8528 Modoc Cedarville Pass, Warner Mts. Between Cedarville and Alturas 1920 Comment
  UCSB48882  Navarretia capillaris Hardham, Clare 1961-6-18 Modoc Warner Mountain; Cedar Pass Comment
  UC908366  Navarretia divaricata Louis C. Wheeler 1935-8-2 3747 Modoc Twelve-Mile Creek Warner Mts. 2286 Comment
  CAS-BOT-BC198007  Navarretia divaricata subsp. divaricata Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10556 Modoc Patterson Ranger Station (East Creek drainage), Warner Mts. 2164 Comment
  CAS-BOT-BC198006  Navarretia divaricata subsp. vividior Bruce Bartholomew 1991-7-4 5894 Modoc S end of Higgins Flat. 1370 Comment
  UC1178969  Navarretia intertexta Herbert L. Mason 1947-7-13 13444 Modoc s of Goose Lake (Highway 395); Joseph Creek Comment
  CAS-BOT-BC197986  Navarretia intertexta subsp. propinqua K. Paulson; Robert Paulson 1988-6-19 38 Modoc W of Cranby Bridge. 1310 Comment
  CAS-BOT-BC197987  Navarretia intertexta subsp. propinqua Alice Eastwood; John Thomas Howell 1940-6-15 8293 Modoc 9 mi. N of Lookout. Comment
  POM129405  Navarretia intertexta subsp. propinqua M. French Gilman 650 Modoc Modoc Co. Mts 1677 Comment
  SEINET14152015  Navarretia leucocephala subsp. minima M. J. Williams 1984-6-28 84- 66 -2 Modoc 0.2 mi E of Hwy 395 at Ravendale. 1524 Comment
  RSA148666  Navarretia sinistra Clare B. Hardham 1961-6-21 7900 Modoc Warner Mountains: Lakeview-Plush Road. 1829 Comment
  CAS-BOT-BC179309  Nemophila breviflora Bruce Bartholomew 1992-5-15 6311 Modoc Upper end of Pleasants Canyon, W side of Warner Mountains. 1930 Comment
  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
  RSA534606  Nemophila parviflora var. austiniae Bruce Bartholomew 1991-5-23 5689 Modoc 0.5 km east of Day on County Road 94. 1050 Comment
  CAS-BOT-BC179294  Nemophila pedunculata Edward Kent Balls 1950-5-18 14758 Modoc N of Upper Rush Creek Public Camp, 2.5 mi. E of Hwy 299. 1737 Comment
  JEPS4033  Nemophila pedunculata Frances D. Payne 1931-6-22 241 B Modoc s and e Alturas (Warner Mountains, Parker Creek, Dry Creek, tributary of); Warner Mountains, Parker Creek, s and e of Alturas 1828 Comment
  UC1021925  Nemophila pedunculata Rolf Y. Berg 1955-6-22 Modoc w Cedarville (Cedar Pass Campground); Modoc National Forest, w of Cedarville Comment
  UC1332113  Nemophila pedunculata Alice Eastwood and John Thomas Howell 1940-6-13 8193 Modoc w side Cedar Pass Comment
  UC606938  Nemophila pedunculata L. Constance 1938-6-12 2337 Modoc 8 mi ne Adin (margin of Rush Creek); , ne of Adin 1524 Comment
  UC71581  Nemophila pedunculata Mrs. M. H. Manning 1903-5-5 107 Modoc near Fort Bidwell (in north-eastern Modoc County); near Fort Bidwell Comment
  UC748434  Nemophila pedunculata Annie M. Alexander and Louise Kellogg 1946-6-14 4754 Modoc Silver Creek Branch of Patterson Mill road 1828 Comment
  RSA271928  Nemophila pedunculata Christopher Davidson 1975-6-4 2625 Modoc 0.8 miles east of Upper Rush Creek Camp on dirt road off Highway 299 ca. 7 miles west of Adin. Seepage area to left of road. 1662 Comment
  UC20411  Neoholmgrenia andina Mrs. R. M. Austin June, 1894 Modoc Goose Lake Valley Comment
  UC726196  Neoholmgrenia andina A. A. Heller 1941-6-25 16198 Modoc on the Cedarville rd a short distance e junction with U.S. Highway 395 Comment
  UC1234579  Nestotus stenophyllus Peter H. Raven 1962-5-29 17895 Modoc 14 miles northwest of Canby. Comment
  CAS-BOT-BC245375  Nicotiana attenuata Belknap C. Goldsmith 1912-8-8 77 Modoc S end of Goose Lake. 1463 Comment
  CAS-BOT-BC245370  Nicotiana attenuata Francis Dorris Payne 1932-6-19 554 Modoc Jess Valley Rd. Comment
  JEPS43963  Oenothera elata subsp. hirsutissima W. L. Jepson 1918-8-14 7989 Modoc Jess Valley 1584 Comment
  CHSC107332  Oenothera flava Lowell Ahart; John Dittes 2011-6-21 17515 Modoc About 200 yards west of the fence, south edge of the meadow, Ash Creek State Wildlife Area, about 2,000 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  JEPS31524  Oenothera flava subsp. flava Milo S. Baker 1893-7-20 Modoc near Forestdale; Lava Beds Comment
  JEPS48968  Olsynium douglasii var. douglasii Leland S. Smith 1918-5-18 927 Modoc Cedarville road e Alturas 1676 Comment
  CDA7565  Onopordum acanthium T. C. Fuller 1957-9-18 339 -57 Modoc Alturas. 0 Comment
  OBI5241  Onopordum acanthium T. C. Fuller 1960-7-27 4992 Modoc SE of 4th & East Sts, Alturas Comment
  CAS-BOT-BC50377  Onopordum acanthium subsp. acanthium Thomas C. Fuller 1958-7-9 900 -58 Modoc Alturas. Comment
  JEPS121207  Onopordum acanthium subsp. acanthium Lowell Ahart, John Dittes 2013-7-24 18945 Modoc South high bank of Ash Creek Canal, S of Ash Creek, Ash Creek State Wildlife Area, 0.79 air miles S of County Road 87, 1.73 air miles W of Adin, Big Valley. Comment
  UCD88279  Orcuttia tenuis R. Preston 2000-7-17 1392 Modoc ca. 9.5 miles NW of Canby, on N side of Highway 139, 3.2 miles E of Forest Service Road 44N11. 300 feet E of outfall of large seasonal lake. 1487 Comment
  JEPS5978  Oreostemma alpigenum var. andersonii Frances D. Payne 1929-7-26 Modoc Warner Peak Warner Mountains 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
  UC35315  Orobanche fasciculata Milo S. Baker 1893-7-2 Modoc Above flat mountains. Comment
  CAS-BOT-BC190789  Orobanche uniflora Bruce Bartholomew 1995-6-3 6954 Modoc 5.1 km W of Goose Lake on Forest Service Road 73 between Goose Lake and Crowder Flat Road. 1580 Comment
  JEPS79135  Orobanche uniflora L. R. Heckard with R. Bacigalupi 1980-6-11 5238 Modoc about 10 air mi se Alturas (junction of Parker Creek and Shields Creek roads) 1737 Comment
  CAS-BOT-BC95698  Orthilia secunda Bruce Bartholomew; Barrett Anderson 1988-7-22 4528 Modoc Mill Creek, Lake City Canyon, 5.5 km W of Lake City, E side of the Warner Mts.. 1860 Comment
  CAS-BOT-BC248325  Orthocarpus cuspidatus B. Bartholomew; H. Sun 2002-6-24 8822 Modoc S end of Sweagert flat ca. 15.3 straight line km WNW of Aden 1820 Comment
  CAS-BOT-BC232176  Orthocarpus cuspidatus subsp. copelandii Roxana Stinchfield Ferris; L. Lorraine 1941-8-14 10590 Modoc 3 mi. from Patterson Ranger Station on road to Eagleville. Comment
  CAS-BOT-BC232323  Orthocarpus cuspidatus subsp. copelandii Louis Cutter Wheeler 1935-8-2 3751 Modoc Twenty Mile Creek, Warner Mountains 2225 Comment
  CAS-BOT-BC232325  Orthocarpus cuspidatus subsp. copelandii Elmer Ivan Applegate 1932-7-31 7966 Modoc Mill Creek Meadows. Comment
  JEPS74350  Orthocarpus cuspidatus subsp. cryptanthus L. R. Heckard, T. I. Chuang, and R. Bacigalupi 1974-7-24 3768 A Modoc along forest service road 3.5 mi n Cedar Pass; Warner Mts., n of Cedar Pass 2042 Comment
  JEPS77515  Orthocarpus cuspidatus subsp. cryptanthus L. R. Heckard with T. I. Chuang and R. C. Bacigalupi 1978-7-19 4992 Modoc Cedar Pass; Warner Mts., Cedar Pass 1920 Comment
  RSA305792  Orthocarpus lacerus James R. Shevock 1972-5-20 1803 Modoc Hwy 299, W of Canby. 1372 Comment
  CAS-BOT-BC15738  Osmorhiza chilensis Bruce Bartholomew; Barrett Anderson 1988-6-23 4284 Modoc Widow Valley, 18.0 km W of Day on County Road 94. 1230 Comment
  CAS-BOT-BC15746  Osmorhiza occidentalis Barrett Anderson 1986-7-9 3152 Modoc Hwy 299 just W of Cedar Pass. 1920 Comment
  HSC80790  Osmorhiza occidentalis G. M. Riegel 1979-7-5 500 Modoc S Warner Mtns. 2100 Comment
  UC21056  Osmorhiza occidentalis Mrs. R. M. Austin and Bruce June, 1898 2263 Modoc Lake City Mt. Comment
  POM82804  Osmorhiza occidentalis Mrs. R. M. Austin 502 Modoc Davis Creek Comment
  CAS-BOT-BC211324  Oxyria digyna Elmer Ivan Applegate 1932-8-5 8178 Modoc Craggy summit of Cedar Mountain, N of Cedar Pass, Warner Mts. Comment
  UCR34759  Oxyria digyna J. A. Harpel 1981-8-6 V- 43 Modoc Warner Mtns, South Warner Wilderness Area: E end of Patterson Lake, 7 mi NW of Eagleville 2744 Comment
  CAS-BOT-BC50305  Packera cana John Thomas Howell 1934-6-30 12265 Modoc Duncan Horse Camp. 1355 Comment
  CAS-BOT-BC50349  Packera cana Harry Dwight Dillon Ripley; Rupert Charles Barneby 1944-5-31 5995 Modoc NW of Alturas. 1524 Comment
  UC1523796  Packera cana Gary Schoolcraft 1981-5-12 390 Modoc sw Alturas 1493 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
  JEPS37285  Packera eurycephala var. eurycephala N. T. Mirov 1928-6-28 Modoc Fandango Valley Warner Mountains 1584 Comment
  CAS-BOT-BC190770  Paeonia brownii William Albert Weber 1953-5-14 8372 Modoc W end of Jess Valley, 10 mi. E of Likely. 1432 Comment
  CAS-BOT-BC190775  Paeonia brownii Annie Montague Alexander; L. Kellogg 1946-6-15 4778 Modoc Deep Creek. 2164 Comment
  CAS-BOT-BC190782  Paeonia brownii Leland S. Smith 1922-7-20 1280 Modoc Rush Creek Ranger Station. 1889 Comment
  RSA602592  Panicum capillare L. C. Wheeler 1935-9-13 3984 Modoc Devil's Garden; Fletcher Creek at Pease Place 1524 Comment
  UCD14405  Panicum capillare 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
  CDA32584  Panicum capillare var. occidentale T. C. Fuller 1962-8-3 9492 Modoc Hwy 139 to Tulelake, 0.25 mile northwest of Stronghold 0 Comment
  RSA551269  Parnassia fimbriata Bruce Bartholomew 1992-8-9 6384 Modoc Creek below Patterson Lake on Squaw Peak Trail to Owl Creek Trail, E side of Warner Mountains. 2650 Comment
  CAS-BOT-BC95498  Paxistima myrsinites Bruce Bartholomew 1995-6-22 6976 Modoc Between Day and Lookout, 7.4 km W of Day on County Road 94 along Widdow Valley Creek. 1350 Comment
  CAS-BOT-BC232310  Pedicularis attollens Leland S. Smith 1922-7-20 1287 Modoc Rush Creek Ranger Station. 1889 Comment
  CAS-BOT-BC232313  Pedicularis attollens F. D. Parker 1931-6-12 153 Modoc Parker Creek, Warner Mountains 1584 Comment
  HSC20915  Pedicularis attollens M. T. Milligan 1966-6-19 474 Modoc N end of Jess Valley 1616 Comment
  CHSC19726  Pedicularis densiflora J. Grove 1973-5-1 100 Modoc Collected at Wiley ranch 3 mi north east of Day Ca. 1005 Comment
  CAS-BOT-BC232303  Pedicularis groenlandica subsp. surrecta Annie Montague Alexander; L. Kellogg 1946-6-28 4854 Modoc Pine Creek Canyon, Warner Mountains 2240 Comment
  CAS-BOT-BC232305  Pedicularis groenlandica subsp. surrecta Elmer Ivan Applegate 1932-7-6 8242 Modoc Lily Lake, Bidwell Pass, Warner Mountatins Comment
  UCSC002899  Pellaea brachyptera W. Doyle 1975-6-21 s.n. Modoc Rock outcrop above mine, east exposure Bidwell Creek Rd. Comment
  CAS-BOT-BC30196  Pellaea breweri Bruce Bartholomew 1992-8-9 6392 Modoc Upper region of Owl Creek drainage, below cliffs, E of Summit Trail, E side of Warner Mtns 2470 Comment
  UC922444  Pellaea breweri Annie M. Alexander and Louise Kellogg 1946-7-23 5049 Modoc Emerson Peak; Warner Mts Comment
  RSA11920  Penstemon davidsonii Elmer I. Applegate 1932-8-3 8120 Modoc high area summit of Lower mountains just north of Eagle Peak. Comment
  RSA11917  Penstemon davidsonii subsp. davidsonii Elmer I. Applegate 1932-7-9 7618 Modoc Bidwell Mountain, Warner Mountains. Comment
  CAS-BOT-BC232372  Penstemon deustus var. pedicellatus Elmer Ivan Applegate 1932-8-2 8070 Modoc Mill Creek Meadows. Comment
  CAS-BOT-BC245534  Penstemon gracilentus Elmer Ivan Applegate 1932-7-9 7617 Modoc N slope of Bidwell Mountain. Comment
  HSC80748  Penstemon gracilentus G. M. Riegel 1980-8-12 1046 Modoc S Warner Mtns. 1829 Comment
  HSC80747  Penstemon gracilentus G. M. Riegel 1979-7-24 600 Modoc S Warner Mtns. 1829 Comment
  RSA504843  Penstemon gracilentus Bruce Bartholomew, B. Anderson 1988-7-21 4472 Modoc Vicinity of Patterson Campground, Southern end of the Warner Mountains. 668 Comment
  UC190599  Penstemon gracilentus M. F. Gilman 611 Modoc Mts. 1676 Comment
  JEPS109977  Penstemon heterodoxus var. shastensis Dean W. Taylor 2007-5-16 20115 Modoc Egg Lake, near western portion of the lake at Duck Hole (site is ca. 11 air miles NNW of Lookout) 1310 Comment
  CAS-BOT-BC232518  Penstemon roezlii Mrs. H. C. Cantelow 1941-5-23 s.n. Modoc 2 mi. W of Adin Summit, U.S. Hwy. 299 E of Bieber. Comment
  CAS-BOT-BC245569  Penstemon roezlii K. Paulson; Robert Paulson 1988-6-11 20 Modoc Barnes Graden, Crowser Flat Rd to Devil's Garden. 1432 Comment
  POM203064B  Penstemon roezlii J. T. Howell 1934-6-30 12269 Modoc Duncan Horse Camp. Comment
  POM260431  Penstemon roezlii C. Leo Hitchcock 1940-5-27 6651 Modoc 9 miles northeast of Alturas. 1402 Comment
  SFV17481  Penstemon roezlii P. Wilson 1998-7-20 3539 Modoc About 1 mile north of Cedar Pass off Highway 299. 1900 Comment
  UC1540239  Penstemon roezlii Dean Wm. Taylor, Glenn L. Clifton 1987-6-27 9109 Modoc headwaters of upper South Deep Creek Warner Mountains, upper South Deep Creek 2194 Comment
  UC748152  Penstemon roezlii Annie M. Alexander and Louise Kellogg 1946-6-12 4740 Modoc Fandango Pass road Fandango Pass road (w side) 1706 Comment
  NY650113  Penstemon roezlii F. W. Pennell 1940-6-7 25734 Modoc Upper valley of Rush Creek, northeast of Adin 1585.0 Comment
  NY650139  Penstemon roezlii A. A. Heller 1941-6-26 16225 Modoc Seven miles west of Canby on State Highway #299 Comment
  UC27501  Penstemon roezlii Milo S. Baker 1893-6 Modoc adobe soil Comment
  UC726741  Penstemon roezlii A. A. Heller 1941-6-25 16200 Modoc w of ascent to Cedar Pass; w of ascent to Cedar Pass Comment
  CAS-BOT-BC245498  Penstemon rydbergii var. oreocharis Alice Eastwood; John Thomas Howell 1940-6-12 8065 Modoc Between Likely and Jess Valley. Comment
  HSC21045  Penstemon rydbergii var. oreocharis M. T. Milligan 1966-6-30 504 Modoc Slopes and ridges E of Jess Valley 1768 Comment
  CAS-BOT-BC245544  Penstemon speciosus C. C. (Mrs.) Bruce 1893-7-1 81 Modoc Davis Creek. Comment
  CAS-BOT-BC248310  Penstemon speciosus B. Bartholomew; H. Sun 2002-6-24 8851 Modoc E of Bald Mt., on the E side of the Warner Mountains 2130 Comment
  HSC21057  Penstemon speciosus M. T. Milligan 1966-8-3 632 Modoc W slope of Eagle Peak 2439 Comment
  HSC21058  Penstemon speciosus M. T. Milligan 1964-7-1 128 Modoc 6 mi. N of Hwy. 139 on FS Rd. 44N15 1524 Comment
  CAS-BOT-BC214729  Peraphyllum ramosissimum Leland S. Smith 1920-6-15 1199 Modoc Plateau W of Alturas. 1341 Comment
  CAS-BOT-BC214731  Peraphyllum ramosissimum Elmer Ivan Applegate 1897-6-5 849 Modoc Along Pit River below Alturas. Comment
  RSA31944  Peraphyllum ramosissimum A. A. Heller 1938-6-24 15228 Modoc elevated flat in clay soil about midway between Canby and Alturas. Comment
  RSA77089  Peraphyllum ramosissimum F. W. Peirson 1926-6-26 6905 Modoc Hill slope in broken country, between Alturas and Canby. Comment
  CAS-BOT-BC15713  Perideridia oregana R. M. Austin 1895-7-1 113 Modoc Goose Lake Valley. Comment
  CAS-BOT-BC15714  Perideridia oregana John Thomas Howell 1934-6-30 12287 Modoc Duncan Horse Camp. 1355 Comment
  CDA35624  Perideridia oregana J. R. Keck Jr. 1978-7-1 PDR# 330037 Modoc 0 Comment
  HSC3886  Peritoma platycarpa M. T. Milligan 1964-6-20 65 Modoc 4 mi. N on Pencil Rd. from Hwy. 395 1372 Comment
  CAS-BOT-BC218154  Persicaria maculosa Bruce Bartholomew 1990-8-3 5599 Modoc Ash Creek Wildlife Refuge, ca. 2.5 km S of County Road 87 and 7 km W of Adin. 1250 Comment
  CHSC116099  Persicaria maculosa Lowell Ahart; John Dittes 2015-7-15 20375 Modoc North edge of Ash Creek (destroyed), southeast of gravel pit (destroyed), about 1/8 mile east of parking area on east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  UC748440  Phacelia heterophylla subsp. virgata Annie M. Alexander and Louise Kellogg 1946-6-28 4862 Modoc Pine Creek Canyon north end of Warner Mountains 1615 Comment
  HSC13655  Phacelia heterophylla subsp. virgata M. T. Milligan 1965-6-27 351 Modoc E slope of eroded volcanic plateau. 1677 Comment
  RSA165589  Phacelia heterophylla subsp. virgata Clare B. Hardham 1921-6-19 7851 Modoc Davis Creek. Comment
  SJSU11215  Phacelia heterophylla subsp. virgata R. L. Fisher 1958-6-13 Modoc near Adin Pass on Canby-Adin Rd c. 6 mi S of Canby 1524 Comment
  HSC13711  Phacelia humilis M. T. Milligan 1966-7-3 528 Modoc Slopes and ridges E of Jess Valley 1829 Comment
  UC1036007  Phacelia humilis Helen K. Sharsmith 1955-6-22 4489 Modoc just n Cedar Pass; Warner Mountains, Modoc National Forest 1889 Comment
  UC881155  Phacelia humilis C. L. Hitchcock 1940-5-27 6678 Modoc 15 mi ne Alturas 1615 Comment
  UCD120531  Phacelia humilis B. L. Kay 1958-6-1 s.n. Modoc 2 miles northeast of Likely. Comment
  HSC24863  Phacelia humilis Richard Spjut 1970-7-20 851 Modoc At Cedar Flat Campground, 10 mi. W of Cedarville along Hwy. 299 1829 Comment
  SBBG15881  Phacelia humilis H. and M. Dearing 1939-6-7 3583 Modoc E of Alturas on Cedarville Rd Comment
  CAS-BOT-BC179988  Phacelia humilis var. humilis Annie Montague Alexander; L. Kellogg 1946-6-5 4660 Modoc Emerson Creek, S of Eagleville. 1783 Comment
  CAS-BOT-BC179965  Phacelia inundata Dean William Taylor 1988-8-11 10036 Modoc SW shore Clera Lake Reservoir. 1362 Comment
  UC914300  Phacelia inundata Verne Grant 1947-8-27 8316 Modoc sw end Clear Lake Comment
  CAS-BOT-BC179960  Phacelia linearis Roxana Stinchfield Ferris; R. Duthie 1919-6-14 44 Modoc Overflow land by Parker Creek, above Modoc Nat. For. Boundary. Comment
  CAS-BOT-BC179963  Phacelia linearis John H. Hatton 1911-6-22 147 Modoc Near Huffman Ranch. 1615 Comment
  OBI48671  Phacelia linearis Lewis S. Rose 1940-6-14 40584 Modoc Mammoth Cave, 5 mi W of Perez 1280 Comment
  POM73495  Phacelia linearis Mrs. R. M. Austin 1895-06 551 Modoc Goose Lake Valley. Comment
  JEPS1150  Phacelia mutabilis W. L. Jepson 1918-8-7 7866 Modoc Mt. Bidwell 2286 Comment
  POM260898  Phacelia ramosissima var. ramosissima Alice Eastwood, J. T. Howell 1940-6-13 8116 Modoc Surprise Comment
  CAS-BOT-BC179928  Phacelia sericea var. ciliosa Francis Dorris Payne 1932-7-21 721 Modoc Ridge N of Mt Warren. 2438 Comment
  CAS-BOT-BC179918  Phacelia tetramera Harry Dwight Dillon Ripley; Rupert Charles Barneby 1944-6-1 6005 Modoc Valley E of Cedarville. 1219 Comment
  UC1037187  Phalaris arundinacea Leo Whitney 1935-7-2 3565 Modoc Alturas 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
  SEINET4691133  Phalaris arundinacea S. C. Swift 1937-6-23 12 Modoc Alturas, grazing district # 2 1280 Comment
  CHSC30529  Phleum alpinum N. E. H. Prouty 1979-8-4 95 .1 Modoc SW corner of Medicine Lake. In meadow next to lake. 2011 Comment
  HSC10587  Phleum alpinum M. T. Milligan 1964-7-25 175 Modoc Pine Creek Basin, along trail. 2439 Comment
  POM313149  Phleum pratense H. L. Mason, Verne Grant 1947-7-10 13358 Modoc 1/4 mile west of Dorris Reservoir; 2 miles east of Alturas Comment
  UC1191211  Phlox austromontana F. H. Frost 1925-5-24 5 Modoc e slope Steamboat Canyon; Warner Mountains Comment
  CAS-BOT-BC197949  Phlox diffusa Alice Eastwood; John Thomas Howell 1940-6-13 8149 Modoc Fandango Pass. Comment
  CAS-BOT-BC197953  Phlox diffusa E. S. Willits 1940-4-16 175 Modoc Sugar Hill. 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-BC197932  Phlox douglasii subsp. rigida Elmer Ivan Applegate 1932-6-9 7572 Modoc N slope of Bidwell Mountain. Comment
  UCR66592  Phlox douglasii subsp. rigida Christopher Davidson 1975-6-4 2604 Modoc Hwy 299 (toward Cedarville), 2.2 mi. east of hwy 395 1500 Comment
  CAS-BOT-BC197921  Phlox douglasii subsp. rigida John H. Hatton 1911-6-12 43 Modoc Modoc County. 1463 Comment
  RSA0009310  Phlox douglasii subsp. rigida Mrs. R. M. Austin 536 Modoc Goose Lake Valley. Comment
  UC1075747  Phlox gracilis Robert J. Weatherby 1955-7-8 1615 Modoc 7 mi n Ft. Bidwell (n Warner Mts.); Warner Mts. 1874 Comment
  HSC17165  Phlox hoodii M. T. Milligan 1966-5-14 615 Modoc Plateau W of Jess Valley 1829 Comment
  CAS-BOT-BC197861  Phlox stansburyi Bruce Bartholomew 1991-5-24 5705 Modoc Surprise Valley, E of Eagleville at the Nevada State boundary. 1520 Comment
  CAS-BOT-BC197867  Phlox stansburyi Belknap C. Goldsmith 1912-5-8 45 Modoc 8 mi. NW of Alturas. Comment
  JEPS70004  Phlox stansburyi Frances D. Payne 1932-6-8 420 Modoc 3 mi n Alturas (on road to Cedarville) Comment
  CHSC118079  Phlox stansburyi var. brevifolia L. P. Janeway 2016-5-18 12052 Modoc Modoc Plateau. Between Goose Lake and the Devils Garden area; uplands along southwest side of Goose Lake about 2.1 air-km southwest of north end of Road 48 causeway across the lake. 1434 Comment
  CAS-BOT-BC58307  Phoenicaulis cheiranthoides Robert Patterson; Mona Bourell 1993-8-15 5256 Modoc Warner Mountains. Along trail from Patterson Lake to ca. 2 mi north towards Pepperdine Trailhead. 2743 Comment
  CHSC42165  Phoenicaulis cheiranthoides C. E. Laver 1986-3-26 Modoc Ca. 11.5 mi ne of Alturas and 1 mi sw of Thoms Creek. 1524 Comment
  CHSC67095  Phoenicaulis cheiranthoides James D. Jokerst 1987-5-12 2845 Modoc Radar Survey Site S of Doublehead Mtn., N end of central sector. Comment
  HSC26512  Phoenicaulis cheiranthoides J. P. Smith, J. O. Sawyer 1972-5-6 5250 Modoc County Rd. 86, just E of Adin. 1098 Comment
  NY182050  Phoenicaulis cheiranthoides B. M. Bartholomew 1988-5-13 4159 Modoc 4 km NW of Pepperdine, gentle W facing slope near top of the Warner Mountains. Comment
  RSA520467  Phoenicaulis cheiranthoides K. Paulson, R. Paulson 1989-5-8 106 Modoc Howard s Gulch. Along Hwy 139. 1372 Comment
  RSA59358  Phoenicaulis cheiranthoides E. K. Balls 1950-5-10 14598 Modoc East of Middle Lake, near Cedarville. 1402 Comment
  UC1037295  Phoenicaulis cheiranthoides Leo Whitney 1934-5-20 1656 Modoc Modoc National Forest, Devil's Garden, northeast portion of county Devil's Garden; Modoc National Forest, Devil's Garden 1524 Comment
  UCD116138  Phoenicaulis cheiranthoides Alan A. Beetle 1941-6-29 2831 Modoc Near summit of Cedarville Pass. 2118 Comment
  CAS-BOT-BC73415  Pinus albicaulis Elmer I. Applegate 1932-7-31 7991 Modoc Mill Creek Meadown, head of Pit River, Warner Mountains. 2438 Comment
  UC1076350  Pinus albicaulis F. H. Frost 1926-7-25 161 Modoc Eagle Peak Warner Mts., Eagle Peak Comment
  UCD134513  Pinus contorta subsp. murrayana K. M. Meyer; A. Townesmith 2007-9-16 215 Modoc Modoc National Forest, 8.5 miles on Hwy. 23 which turns into 31, south of Cedarville, CA. 2218 Comment
  UC71759  Pinus contorta subsp. murrayana Mrs. M. H. Manning 1902-10-26 31 Modoc Warner Mt. ne Modoc County, Warner Mt. 1828 Comment
  NY49935  Pinus contorta var. murrayana B. M. Bartholomew 1988-7-22 4520 Modoc South end of Bearcamp Flat, southern end of Warner Mountains. Emerson Peak 7.5' Quad [topographic map] 2230 Comment
  CAS-BOT-BC73018  Pinus monticola W. R. Dudley 1899-8-9 s.n. Modoc Black Butte 1828 Comment
  CAS-BOT-BC21499  Pinus washoensis Bruce Bartholomew 1994-7-2 6822 Modoc Hillside just N of jcn. of Forest Service rds. 45N34 and 46N30. 2300 Comment
  CAS-BOT-BC21500  Pinus washoensis Bruce Bartholomew 1994-7-2 6821 Modoc Just N of South Fork of Davis Creek near the crest of the Warner Mountains. 2300 Comment
  SEINET5323925  Pinus washoensis D. A. Charlet, Terri Charlet 1996-7-1 2285 Modoc South Warner Mtns., ca. 1 road mile E of Patterson Guard Station; above East Creek. 2213 Comment
  SJSU9135  Piperia unalascensis H. L. Buckalew 1961-6-21 Modoc near Stough (""Stowe"") Reservoir c. 1 mi N of Cedar Pass on Alturas Cedarville Rd, Warner Mts 1981 Comment
  CAS-BOT-BC242224  Piperia unalascensis Bruce Bartholomew 1995-9-3 7193 Modoc Field redacted by CAS, contact the data manager for more information 1830 Comment
  JEPS90087  Plagiobothrys acanthocarpus Dean Wm. Taylor with Robert A. Price 1988-6-4 9759 Modoc ca. 2.6 mi. S 10 degrees E Casuse Mt. (Dobie Flat, Tule Lake Basin); Modoc Plateau, Tule Lake 15' Quad. 1280 Comment
  CAS-BOT-BC58787  Plagiobothrys bracteatus Milo Samuel Baker; Franklin P. Nutting 1894-6-4 Modoc Little Hot Spring Valley. Comment
  RSA0039536  Plagiobothrys cusickii Lowell A. Ahart, John Dittes 2012-7-11 18332 Modoc North edge of the meadow, about 1/8 mile east of the parking area on the east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  CHSC67088  Plagiobothrys hispidulus James D. Jokerst 1987-5-13 2863 Modoc Radar Survey Site S of Doublehead Mtn., S of Clear Lake Reservoir, S end of northern sector. In and about vernal pools. 1371 Comment
  JEPS127304  Plagiobothrys hispidulus Lowell Ahart, John Dittes 2016-7-14 21160 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
  UC726225  Plagiobothrys leptocladus A. A. Heller 1941-6-26 16217 Modoc in a roadside depression 3 mi e Canby Comment
  UC78162  Plagiobothrys mollis Mrs. R. M. Austin July 1887 Modoc below Alturas; banks Pit River Comment
Read comments
Mar 11 2012
  UC24556  Plagiobothrys reticulatus M. S. Baker and Frank Nutting 1894-5-26 Modoc Goose Valley Comment
  CAS-BOT-BC228488  Plagiobothrys salsus Ira L. Wiggins; Dorothy B. Wiggins 1961-6-13 16446 Modoc Lane on Phipp's Ranch, ca. 14 miles N of Cedarville, Surprise Valley Comment
  CAS-BOT-BC58730  Plagiobothrys salsus G. Schoolcraft; Arnold Tiehm 1984-6-24 1261 Modoc Middle Alkali Lake. 1356 Comment
  SD258371  Plagiobothrys salsus R. B. Kelley 2005-6-26 883 Modoc along SR 299; no specific locality data provided Comment
  CAS-BOT-BC58731  Plagiobothrys scouleri Margaret J. Williams 1984-6-30 84- 80 -4 Modoc 6.8 mi. W of Cedarville-Gerlach road. 1981 Comment
  CAS-BOT-BC58732  Plagiobothrys scouleri Bruce Bartholomew; Barrett Anderson 1988-7-22 4547 Modoc Benton Meadow, Warner Mts.. 2180 Comment
  CAS-BOT-BC58738  Plagiobothrys scouleri John Thomas Howell 1934-6-12 12034 Modoc Plum Valley, Warner Mountains Comment
  CAS-BOT-BC58756  Plagiobothrys scouleri John Thomas Howell 1934-6-11 11912 Modoc Parker Creek. 1584 Comment
  UCR165709  Plagiobothrys scouleri var. hispidulus David A. Charlet 1989-8-15 505 Modoc Warner Mountains; 1.2 km NW of Eagle Peak 2550 Comment
  POM261461  Plagiobothrys scouleri var. hispidulus Alice Eastwood, John Thomas Howell 1940-6-12 8078 Modoc Between Likely and Jess Valley. Comment
  POM312568  Plagiobothrys scouleri var. hispidulus H. L. Mason, Verne Grant 1947-7-12 13408 Modoc West side of the South Fork of Pit River Valley, southwest of Alturas. Comment
  CHSC117037  Plagiobothrys stipitatus var. micranthus Lowell Ahart; John Dittes 2016-6-6 20963 Modoc About 100 yards east of the Parking Area, about about one mile south of the intersection of County Road 87 and Access Road to Pilot Butte Parking Area, 3.8 miles (air) east of Lookout, 7.5 miles (air) west of Adin, Ash Creek State Wildlife Area. 1271 Comment
  JEPS79217  Plagiobothrys stipitatus var. micranthus L. R. Heckard with R. C. Bacigalupi 1980-6-10 5265 Modoc about 10 mi nw Lookout (along Great Northern Railroad grades) Comment
  HSC65541  Plantago major Thomas Wood 1979-8-8 208 Modoc 1 mi. S of Ft. Bidwell along Hwy. 1, corner house where road turns W 1372 Comment
  JEPS123861  Plantago major Lowell Ahart, John Dittes 2015-7-16 20388 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-BC242214  Platanthera dilatata var. leucostachys Bruce Bartholomew 1994-7-2 6799 Modoc Field redacted by CAS, contact the data manager for more information 1650 Comment
  HSC77910  Platanthera dilatata var. leucostachys O. Ballantyne 1983-7-18 Modoc S Warner Mtns., tributary of N Fork of East Creek 1585 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
  RSA433722  Plectritis californica Christopher Davidson 1973-5-24 2101 Modoc S of Alturas on Hwy 395 near Likely. 1311 Comment
  CAS-BOT-BC245393  Plectritis macrocera F. Angwin 1946-4-13 s.n. Modoc Big Valley near Adin. 1280 Comment
  CHSC85136  Plectritis macrocera John Dittes; Josephine Guardino 1991-6-1 350 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
  RSA101374  Plectritis macrocera subsp. grayi R. Weatherby 1955-7-8 1640 Modoc 3 mi. north of Ft. Bidwell, northern Warner Mts. 1555 Comment
  UCD149781  Poa X limosa William Anderson 1965-6-5 s.n. Modoc Likely. Comment
  CAS-BOT-BC247584  Poa bulbosa Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-16 16527 Modoc 4.6 mi. N of Adin. Comment
  SEINET201657 Image available Poa canbyi Unknown 1959-6-19 8491 Modoc At Clear Lake; Warner Mts. 15 miles east of Likely . 1769 Comment
  CAS-BOT-BC255129  Poa cusickii Isabel T. Kelly 1930-1-1 22 Modoc Unspecified Comment
  JEPS120123  Poa cusickii subsp. cusickii Lowell Ahart, John Dittes 2012-7-10 18328 Modoc Northeast of the old homestead, Ash Creek State Wildlife Area, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley. Comment
  HSC80837  Poa cusickii subsp. epilis G. M. Riegel 1979-7-28 618 Modoc South Warner Mtn. 1829 Comment
  CHSC85133  Poa pratensis John Dittes; Josephine Guardino 1991-7-21 435 Modoc Modoc Plateau; Big Valley; Ash Creek Wildlife Area; ca. 5.7 air-miles northeast of Bieber, ca. 7.6 air-miles west of Adin, ca. 1.5 air-mile southeast of Pilot Butte summit; meadow at northern edge of Ash Creek Floodplain (Big Swamp) at southeast base of Pilot Butte. 1258 Comment
  HSC80838  Poa pratensis G. M. Riegel 1979-7-13 527 Modoc South Warner Mtns. 2100 Comment
  UCD92430  Poa secunda subsp. juncifolia L. D. Whitney 1935-6-28 s.n. Modoc Near Adin. Comment
  UC1024915  Poa secunda subsp. juncifolia Leo Whitney 1935-6-28 3366 Modoc Redding-Alturas near Adin Comment
  CAS-BOT-BC247674  Poa secunda subsp. secunda Bruce Bartholomew 1990-6-17 5320 Modoc E side of Surprise Valley, 9.6 km E of Eagleville at the Nevada border. 1580 Comment
  CHSC67417  Poa secunda subsp. secunda James D. Jokerst 1986-8-11 2758 Modoc Radar Site Survey S of Doublehead Mtn., S of road to Doublehead Mtn., in vernal pool. Comment
  HSC26515  Poa secunda subsp. secunda J. P. Smith, J. O. Sawyer 1972-5-6 5249 Modoc County Rd. 86, just E of Adin. 1098 Comment
  UC1024858  Poa secunda subsp. secunda Leo Whitney 1935-6-1 3174 Modoc meadow 1 mi s White Horse Comment
  UC188879  Poa secunda subsp. secunda Milo S. Baker 1894-6-13 Modoc Egg Lake Comment
  UC535950  Poa secunda subsp. secunda Elmer I. Applegate 1927-4-24 5004 Modoc Modoc Battle Ground; Modoc Lava Beds Comment
  UC70963  Poa secunda subsp. secunda M. S. Baker and Frank Nutting 1894-1 Modoc w side of Egg Lake Comment
  UCD91715  Poa secunda subsp. secunda W. E. Moon 1959-5-19 s.n. Modoc State Hwy. 139, 4 miles SE of Checking station, N of Perez. Comment
  CAS-BOT-BC179346  Pogogyne floribunda James D. Jokerst 1987-6-23 2930 Modoc Ca. 2 mi. SW of Doublehead Mountain. Comment
  CHSC67510  Pogogyne floribunda J. D. Jokerst 1990-7-31 3205 Modoc Modoc National Forest, Devils Garden Ranger District (south of Clear Lake), about 1.5 miles SE of Doublehead Mountain, N and adjacent to dirt road and 0.25 mile W of a north to south-oriented fanceline through the center of section. 1371 Comment
  CHSC67514  Pogogyne floribunda J. D. Jokerst 1986-8-11 2762 Modoc Of the center of T45N R07E S20 NE1/4. Modoc National Forest, Devils Garden Ranger District (south of Clear Lake). About 1.2 miles WNW of Rim Rock Lake, S of Doublehead Mountain. Comment
  RSA551272  Pogogyne floribunda Bruce Bartholomew 1991-7-5 5932 Modoc Cow Head Tank, 6 km NW of Dorris Brothers Reservoir. 1520 Comment
  UC1191805  Pogogyne floribunda Herbert L. Mason 1947-8-9 13474 Modoc east side of Fairchild Swamp north of Alturas. Comment
  UC1597730 Image available Pogogyne floribunda J. D. Jokerst 1990-7-31 3205 Modoc about 1.5 mi se Doublehead Mountain (n and adjacent to dirt road and 0.25 mi w of a n-s oriented fenceline through the center of section 13, s of Clear Lake); Modoc National Forest, Devils Garden Ranger District 1371 Comment
  RSA0022126  Pogogyne floribunda Louis C. Wheeler 1935-8-25 3915 Modoc Devil's Garden: Rimrock Valley Reservoir. 1524 Comment
  CAS-BOT-BC95163  Polanisia dodecandra subsp. trachysperma Leland S. Smith 1918-9-29 1057 Modoc Granger Canyon, Suprise Valley. 1676 Comment
  CAS-BOT-BC95164  Polanisia dodecandra subsp. trachysperma Margaret J. Williams 1983-9-13 83- 150 -1 Modoc Near Hwy 299, just E of Adin. Comment
  CAS-BOT-BC197858  Polemonium micranthum Bruce Bartholomew 1994-5-14 6687 Modoc 5.1 km SE of Burlington Railroad Northern railroad track on road between Egg Lake and Lookout. 1400 Comment
  CHSC31496  Polemonium occidentale N. E. H. Prouty 1980-8-6 211 Modoc Modoc Nat. Forest. Meadow on southern bank of North Fork Pine Creek. 1524 Comment
  SEINET13761523  Polemonium occidentale subsp. occidentale D. A. Charlet 1989-8-21 590 Modoc Warner Mountains, 1.2 kilometers northwest of Eagle Peak 2579 Comment
  HSC6718  Polyctenium fremontii M. T. Milligan 1964-4-25 Modoc 7 mi. W on Centerville Rd. from Alturas Comment
  CAS-BOT-BC58320  Polyctenium fremontii var. fremontii Leland S. Smith 1924-5-26 1 A Modoc South side of Egg Lake. 1371 Comment
  CAS-BOT-BC58321  Polyctenium fremontii var. fremontii Bruce Bartholomew 1991-5-24 5739 Modoc Near N side of Big Mud Lake at the Nevada State boundary. 1680 Comment
  CAS-BOT-BC58322  Polyctenium fremontii var. fremontii Ellsworth Bethel 1923-4-26 Modoc Lookout. Comment
  RSA0114934  Polygonum Lowell Ahart, John Dittes 2013-7-24 18911 Modoc On the south side of a levee road, north side of Ash Creek Floodplain, 0.54 mile (air) southeast of Pilot Butte Parking Area, 1.1 miles (air) south of County Road 87, 6.8 miles (air) west of Adin, Big Valley. 1263 Comment
  UC1192331  Polygonum amphibium var. emersum Verne Grant and Irving Schneider 1947-8-27 8326 Modoc Clear Lake; embayment on s end Comment
  CAS-BOT-BC419701  Polygonum austiniae Mrs. R. M. Austin 1895-7-1 134 Modoc Goose Lake Valley Comment
  SD215623  Polygonum aviculare Louis C. Wheeler 1935-8-26 3928 Modoc Modoc Plateau; 1.5 mile south of Lakeshore Reservoir, Devil/ Garden. 1524 Comment
  RSA0049649  Polygonum aviculare subsp. buxiforme Dean Wm. Taylor 2012-7-18 21280 Modoc Windmill Flat (tributary Juniper Creek, Pit River watershed, 11 miles S of Adin) 1706 Comment
  UCD99952  Polygonum aviculare subsp. depressum R. C. Bacigalupi; S. Galen Smith 1957-6-28 5984 Modoc Along Highway 299, 4.2 miles west of junction with Highway 395 at Alturas. Comment
  UC465747  Polygonum bistortoides Franklin P. Nutting Modoc flat near Forestdale Comment
  UC748282  Polygonum bistortoides Annie M. Alexander and Louise Kellogg 1946-7-18 5022 Modoc Benton Meadow Warner Mountains 2072 Comment
  RSA628303  Polygonum buxiforme Louis C. Wheeler 1973-8-23 s.n. Modoc Alturas. Comment
  CDA2799  Polygonum convolvulus T. C. Fuller 1958-7-8 2019 Modoc Davis Creek. 0 Comment
  CAS-BOT-BC218128  Polygonum douglasii Bruce Bartholomew; Barrett Anderson 1989-6-2 4780 Modoc Top of Fandango pass, Warner Mountains. 1870 Comment
  CHSC112815  Polygonum douglasii Lowell Ahart; John Dittes 2013-7-25 18964 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
  CDA19674  Polygonum douglasii G. D. Barbe 1991-8-28 4445 Modoc Modoc Plateau; Modoc National Forest. Kelley Spring site, n of Adin. 3.4 mi from Hwy 299 at Rush Creek, on Primary Forest Service Rd 22 and Rd 40N33. 1645 Comment
  OBI59431  Polygonum douglasii Barbara Ertter 1988-6-18 7615 Modoc hwy 139 ca 50 airmiles SW of Klamath Falls, a few mi N of Agric. Inspection station, 1 mi S of S jct to Lava Beds natl Monument E of Tonesta 1311 Comment
  POM319195  Polygonum douglasii Patricia Wilder 1971-6-20 5073 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
  UC466034  Polygonum douglasii subsp. douglasii Mrs. R. M. Austin July 1890 431 Modoc Goose Lake Valley Comment
  CDA22825  Polygonum lapathifolium T. C. Fuller 1958-8-12 2070 Modoc Corporation Ranch, Likely. 0 Comment
  CDA2776  Polygonum persicaria T. C. Fuller 1958-7-8 1958 Modoc Corporation Ranch, Likely. 0 Comment
  CAS-BOT-BC218160  Polygonum polygaloides Bruce Bartholomew 1991-6-23 5883 Modoc 7.4 km NE of Crowder Flat Road on road between Dorris Brothers Reservoir and Cow Head Tank. 1520 Comment
  CAS-BOT-BC218165  Polygonum polygaloides Bruce Bartholomew; Barrett Anderson 1989-6-1 4726 Modoc Shake Spring, NW side of Shaffer Mountain. 1500 Comment
  RSA518941  Polygonum polygaloides Bruce Bartholomew, B. Anderson 1988-6-23 4244 Modoc 4.2 kim NW of Day. 1020 Comment
  CHSC14077  Polygonum polygaloides subsp. confertiflorum K. R. Stern; D. B. Joley, J. G. Geschke 1974-6-22 5826 Modoc W side of Egg Lake. 1775 Comment
  CHSC67588  Polygonum polygaloides subsp. confertiflorum James D. Jokerst 1990-8-2 3214 Modoc S of Hwy. 139 NW of Canby, 4.7 mi W of junction with Loveness Rd. Comment
  UC1748338  Polygonum polygaloides subsp. confertiflorum James D. Jokerst 1990-8-2 3214 Modoc Hwy 139 NW of Canby (S of hwy., 4.7 mi W of jct. with Loveness Road) Comment
  UC1112255  Polygonum polygaloides subsp. confertiflorum R. C. Bacigalupi with S. Galen Smith 1957-6-27 5982 Modoc along State Hwy 139 ca 9 mi nw Canby 1493 Comment
  CHSC81395  Polygonum polygaloides subsp. esotericum R. E. Preston 2000-7-18 1400 Modoc Ca. 12 mi nw of Canby, n side of Hwy 139, 1.7 mi e of Forest Service Rd 33N11. 1490 Comment
  SJSU9554  Polygonum polygaloides subsp. esotericum W. Savage 1979-7-3 1292 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  UCD77944  Polygonum polygaloides subsp. esotericum Robert E. Preston 2000-7-18 1417 Modoc Ca. 11 mi nw of Canby, 1,000 ft n of Hwy 139. 1487 Comment
  UC1024926  Polypogon monspeliensis Leo Whitney 1935-6-30 3352 Modoc Hackamore Lake Joaquina (ca 15 mi nw of Canby, Modoc National Forest); Modoc National Forest, , Hackamore 1463 Comment
  CAS-BOT-BC225101  Populus tremuloides A. D. Borden 1911-5-21 s.n. Modoc Creek SW of Sugar Hill. Comment
  CAS-BOT-BC225107  Populus trichocarpa Roxana Stinchfield Ferris; R. Duthie 1919-6-14 140 Modoc Parker Creek below Nat. Forest Boundary. Comment
  UCR101261  Porterella carnosula L. C. Wheeler 1935-8-3 3756 Modoc Warner Mtns, Rock Lake, Pine Creek 1921 Comment
  HSC93988  Porterella carnosula L. C. Wheeler 1935-8-3 3756 Modoc Warner Mountains, Rock Lake, Pine Creek. 1921 Comment
  UC1191467  Portulaca oleracea Verne Grant, Irving Schneider 1947-8-27 8315 Modoc sw end of Clear Lake Clear Lake Comment
  RSA577885  Potamogeton diversifolius L. C. Wheeler 1935-8-22 3903 Modoc Devil's Garden: South Mt. Reservoir. 1524 Comment
  SJSU9377  Potamogeton epihydrus Wayne Savage 1979-8-23 Modoc Antelope, Fairchild Swamp Unit, Devils Garden Ranger District 1493 Comment
  POM313001  Potamogeton epihydrus var. epihydrus Verne Grant, Irving Schneider 1947-7-21 8127 Modoc N Fork of Pit River by bridge on Hwy 395, N of Alturas. Comment
  JEPS42970  Potamogeton foliosus W. L. Jepson 1918-8-5 7821 Modoc near Likely; South Fork Valley, South Fork Pitt River 1371 Comment
  UC441324  Potamogeton foliosus Milo S. Baker 1899-8-24 Modoc Carmichaels Mill Big Valley Comment
  RSA210789  Potamogeton nodosus Robert F. Thorne, C. W. Tilforth 1969-9-4 39046 Modoc Parker Creek at bridge near junction with north fork of Pit River, 5 miles north of Alturas. 1341 Comment
  UC1100080  Potamogeton pectinatus Verne Grant, Irving Schneider 1947-7-21 8123 Modoc North Fork of Pit River (by bridge on Hwy 395, n of Alturas) Comment
  SEINET5335427  Potamogeton pusillus M. S. Baker 1899-8-24 s.n. Modoc Carmichaels Mill Comment
  POM313013  Potamogeton richardsonii H. L. Mason, Verne Grant 1947-7-11 13380 Modoc Irrigation ditch on road from Likely to Jess Valley, ca. 1 mile east of Likely. Comment
  CAS-BOT-BC242267  Potamogeton zosteriformis Verne Grant; I. Schneider 1947-7-18 8054 Modoc 1.4 mi. N of Bayley's bridge, S of Alturas. Comment
  UC1100091  Potamogeton zosteriformis Herbert L. Mason, Verne Grant 1947-7-12 13384 Modoc several mi s of Alturas (by Jone's Lane, off Hwy 395) Comment
  UCD138302  Potamogeton zosteriformis Verne Grant; Irving Schneider 1947-7-18 8054 Modoc 1.4 miles north of Bayley's bridge, south of Alturas. Comment
  SEINET6635678  Potentilla anserina subsp. anserina G. Schoolcraft, B. Bartholomew 1998-6-5 2728 Modoc Approx 2 mi E. of Eagleville on N. side of road 1366 Comment
  CAS-BOT-BC214737  Potentilla biennis Bruce Bartholomew 1991-7-6 5981 Modoc W side of Egg Lake between the lava beds and Egg Lake. 1300 Comment
  POM33920  Potentilla biennis R. M. Austin 1890-07 522 Modoc Northern California, Goose Lake. Comment
Read comments
Sep 7 2010
  CAS-BOT-BC214746  Potentilla breweri Elmer Ivan Applegate 1932-8-1 8025 Modoc High summit of Warner Mountains just S of Warren Peak. Comment
  CAS-BOT-BC214747  Potentilla breweri Francis Dorris Payne 1932-7-1 656 Modoc Pine Creek Basin, Warner Mts. Comment
  CAS-BOT-BC214741  Potentilla drummondii Bruce Bartholomew 1995-7-31 7109 Modoc Headwaters of the S fork of Davis Creek, E side of the Warner Mountains. 2210 Comment
  RSA164422  Potentilla glandulosa subsp. ashlandica Clare B. Hardham 1961-6-20 7881 Modoc Mt. Bidwell Dismal Swamp road 2439 Comment
  CAS-BOT-BC214775  Potentilla gracilis Bruce Bartholomew 1995-8-1 7147 Modoc 12 Mile Creek, E side of the Warner Mountains. 2110 Comment
  CAS-BOT-BC214793  Potentilla gracilis Roxana Stinchfield Ferris; L. Lorraine 1941-8-14 10541 Modoc Patterson Ranger Station (East Creek drainage). 2164 Comment
  CAS-BOT-BC214773  Potentilla gracilis John H. Hatton 1911-6-22 142 Modoc Modoc County. 1615 Comment
  CAS-BOT-BC214782  Potentilla gracilis Verne Grant; I. Schneider 1947-7-19 8073 Modoc Williams ranch, along Southern Pacific right-of-way near East Canal, in Pit Valley S of Alturas. Comment
  UC584354  Potentilla gracilis var. fastigiata G. L. Stebbins Jr. and J. A. Jenkins 1937-7-15 2370 Modoc Open fields center of Round Valley. Along state Highway. 1066 Comment
  UC903241  Potentilla gracilis var. fastigiata Frances Payne 1931-6-17 181 Modoc Parker Creek, Warner Mountains south and east of Alturas. 1584 Comment
  UC12547  Potentilla gracilis var. fastigiata Milo S. Baker 1893-6-30 Modoc Comment
  UC12520  Potentilla gracilis var. flabelliformis M. S. Baker and Frank Nutting 1894-1 Modoc near Egg Lake; near Egg Lake Comment
  JEPS44440  Potentilla millefolia M. S. Baker and Frank Nutting 1894-6-8 Modoc Low flats Lava beds Forestdale (Forestdale) Comment
  UC545665  Potentilla newberryi John Thomas Howell 1934-7-2 12359 Modoc e side Clear Lake; e side of Clear Lake Comment
  UCD113817  Potentilla newberryi Verne Grant; Irving Schneider 1947-8-27 8313 Modoc Southwest end of Clear Lake. Comment
  CHSC117253  Potentilla rivalis Lowell Ahart; John Dittes 2016-7-14 21196 Modoc West of a new pond, south of Ash Creek Canal (now filled in), south of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. 1273 Comment
  UC1191493  Potentilla rivalis Verne Grant, Irving Schneider 1947-8-27 8318 Modoc sw end Clear Lake; sw end of Clear Lake Comment
  UC1191496  Potentilla rivalis Herbert L. Mason, Verne Grant 1947-7-12 13404 Modoc Irrigation ditch by Jones' Lane off Highway 395 several mi s Alturas; s of Alturas Comment
  CAS-BOT-BC225024  Poteridium annuum K. Paulson; Robert Paulson 1988-6-19 42 Modoc W of Cranby Bridge. 1310 Comment
  CAS-BOT-BC179341  Prunella vulgaris Bruce Bartholomew; Barrett Anderson 1988-7-21 4602 Modoc Above Upper Rush Creek Campground ca. 4 km E of State Highway 299 between Adin and Canby. 1580 Comment
  CAS-BOT-BC214808  Prunus emarginata A. D. Borden 1911-6-14 s.n. Modoc S slope Davis Creek. Comment
  JEPS44710  Prunus emarginata Frances D. Payne 1929-6-23 19 Modoc s and e of Alturas (Parker Creek); Warner Mountains, Parker Creek 1584 Comment
  JEPS44934  Prunus emarginata W. L. Jepson 1918-8-6 7837 Modoc Summit Fandango Pass Fandango Pass; Warner Mountains, Fandango Pass 1859 Comment
  CAS-BOT-BC214818  Prunus subcordata Elmer Ivan Applegate 1929-6-25 5906 Modoc Willow Ranch, E side of Goose Lake. Comment
  JEPS44965  Prunus subcordata W. L. Jepson 1918-8-6 7829 Modoc Davis Creek 1371 Comment
  UC62227  Prunus subcordata Mrs. M. H. Manning 1904-9-1 2 Modoc Alturas Comment
  CAS-BOT-BC225014  Prunus virginiana var. demissa Roxana Stinchfield Ferris; R. Duthie 1919-6-14 129 Modoc Parker Creek below Modoc Nat. Forest Boundary. 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
  JEPS44714  Prunus virginiana var. demissa Frances D. Payne 1929-6-21 12 Modoc s and e of Alturas (Warner Mountains, Parker Creek); Warner Mountains, Parker Creek 1584 Comment
  JEPS44906  Prunus virginiana var. demissa L. S. Smith 1919-6-2 1113 Modoc w of Cedarville (Warner Mountains, Deep Creek); Warner Mountains, Deep Creek Comment
  RSA520372  Prunus virginiana var. demissa Bruce Bartholomew, B. Anderson 1989-6-1 4733 Modoc Shake Spring. NW side of Shaffer Mtn. 1500 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
  CAS-BOT-BC498651  Pseudognaphalium L. S. Smith 1924-7-1 1502 Modoc Modoc Forest, Round Mt. 1676 Comment
  UCD91503  Pseudoroegneria spicata Beecher Crampton; Carl Rimbey 1954-7-7 2148 Modoc Modoc County, 3 miles west of Cedarville, east side of Cedar Pass, Warner Mountains. Comment
  UC60833  Pseudoroegneria spicata subsp. spicata M. S. Baker and Frank Nutting 1894-8-25 Modoc near Forestdale 1371 Comment
  CAS-BOT-BC95227  Pseudostellaria jamesiana John Thomas Howell 1934-6-13 12052 Modoc Fandango Pass, Warner Mts. 1828 Comment
  UC1037304  Pseudostellaria jamesiana Leo Whitney 1934-5-5 1607 Modoc 15 mi w Canby (Happy Camp); Modoc National Forest, Happy Camp 1463 Comment
  SD149209  Pseudotsuga menziesii B. Bartholomew 1992-5-14 6273 Modoc Northeast side of White Horse Mountains, southwest of White Horse Flat Reservoir. 1399 Comment
Read comments
Dec 3 2007
  CAS-BOT-BC248379  Psilocarphus brevissimus var. brevissimus Louis C. Wheeler 1935-8-25 3920 Modoc Rim Rock Valley, Devil's Garden 1524 Comment
  CAS-BOT-BC50379  Psilocarphus brevissimus var. brevissimus John Thomas Howell 1934-7-2 12361 Modoc Near mouth of Willow Creek, NE side of Clear Lake. Comment
  CAS-BOT-BC50386  Psilocarphus brevissimus var. brevissimus Herbert Louis Mason; Verne Grant 1947-7-10 13328 Modoc Dorris Reservoir, 2 miles E of Alturas Comment
  CAS-BOT-BC252548  Puccinellia lemmonii Arnold Tiehm; et al 1984-6-1 8799 Modoc Surprise Valley, E side of Middle Alkali Lake E of Cedarville. 1356 Comment
  CHSC112684  Puccinellia lemmonii Lowell Ahart; John Dittes, Todd Sloat 2013-6-8 18763 Modoc Meadow, about 300 yards northeast of the Parking Area, northeast of the old barn, Ash Creek State Wildlife Area, about 3.9 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  UCD32744  Puccinellia nuttalliana Beecher Crampton 1954-7-8 2197 Modoc Modoc County, 3 miles west of Alturas, along US highway 299. Comment
  UCD93372  Puccinellia nuttalliana Beecher Crampton 1954-7-8 2195 Modoc Modoc County, 3 miles west of Alturas, along US highway 299. Comment
  UCD113280  Purshia tridentata Robbins; Raynor 1943-6-1 s.n. Modoc Between Stronghold and Canby. Comment
  CAS-BOT-BC218229  Purshia tridentata var. tridentata Francis Dorris Payne 1931-6-1 152 Modoc Parker Creek, Warner Mts. 1584 Comment
  CAS-BOT-BC218231  Purshia tridentata var. tridentata A. D. Borden 1911-8-9 Modoc S slope of Shields Creek. Comment
  CAS-BOT-BC218236  Purshia tridentata var. tridentata Roxana Stinchfield Ferris; R. Duthie 1919-6-14 71 Modoc Above Parker Creek at Modoc Nat. Forest Boundary. Comment
  RSA504846  Purshia tridentata var. tridentata Bruce Bartholomew, B. Anderson 1988-7-21 4447 Modoc SW side of Jess Valley. Warner Mtns. 1540 Comment
  JEPS58847  Pyrola aphylla Frances D. Payne 1935-7-19 798 Modoc Dry Creek, tributary of Parker Creek, Warner Mountains, south and east of Alturas Comment
  RSA0081566  Pyrola minor Bruce Bartholomew, B. Anderson, Bartholomew 1990-7-20 5511 Modoc Tamarack Flat, E side of Warner Mts. 2150 Comment
  CAS-BOT-BC95686  Pyrola picta Annie Montague Alexander; L. Kellogg 1946-7-14 5068 Modoc Trail to Emerson Camp, Bear Camp Flat, Warner Mts. Comment
  CAS-BOT-BC50398  Pyrrocoma carthamoides var. cusickii John Thomas Howell 1934-6-12 11987 Modoc 9 mi. S of Davis Creek. Comment
  CAS-BOT-BC50357  Pyrrocoma lanceolata var. subviscosa Harvey Monroe Hall 1925-8-30 12212 Modoc 19 mi. S of Alturas on Hwy 395, at N edge of Likely. Comment
  UC5622  Quercus kelloggii Milo S. Baker 1893-7-10 Modoc Comment
  CAS-BOT-BC50360  Raillardella argentea Francis Dorris Payne 1929-7-26 132 Modoc Mt. Warren, Warner Mountains 2743 Comment
  CAS-BOT-BC50361  Raillardella argentea Bruce Bartholomew 1991-8-5 6066 Modoc Spring NE of Cottenwood Lake along Summit Trail from Squaw Peak to Patterson Lake, Warner Mts. 2580 Comment
  CAS-BOT-BC50362  Raillardella argentea Elmer Ivan Applegate 1932-8-1 8013 Modoc High rocky crest of Warner Mts. S of Warren Peak. Comment
  CAS-BOT-BC248368  Ranunculus alismifolius B. Bartholomew; H. Sun 2002-6-24 8856 Modoc Headwaters of Davis Creek, W side of the Warner Mountains 2160 Comment
  UC1731507  Ranunculus alismifolius Dean W. Taylor 1992-5-8 12567 Modoc 0.5 mi e of Moonlite Mines (Warner Mountains, Mount Bidwell); Warner Mountains, Mount Bidwell 2432 Comment
  JEPS3948  Ranunculus alismifolius var. alismifolius N. T. Mirov 1929-5-30 Modoc on trail between Fort Bidwell and Buck Creek; Warner Mountains, Spring Creek 2011 Comment
  CAS-BOT-BC217259  Ranunculus andersonii Leland S. Smith 1922-5-28 1241 Modoc Happy Camp Mountain. 1889 Comment
  CAS-BOT-BC379160  Ranunculus aquatilis var. aquatilis Clare R. Wheeler; Gladys L. Smith 1981-5-23 2277 Modoc Rancheria Creek at Elkhorn Road, Yorkville, 4.5 mi S of Hwy 128 274 Comment
  CAS-BOT-BC379163  Ranunculus aquatilis var. aquatilis F. P. Cronemiller; L. S. Smith 1923-6-18 601 Modoc Indian Dick R.S. Comment
  CAS-BOT-BC379165  Ranunculus aquatilis var. aquatilis Alice Eastwood; John Thomas Howell 1937-6-19 4550 Modoc near Yorkville Comment
  RSA252501  Ranunculus aquatilis var. capillaceus Robert F. Thorne, C. W. Tilforth 1969-9-5 39176 Modoc South Fork of Pit River at bridge, 3.8 miles E. of Likely. 1387 Comment
  UC480881  Ranunculus aquatilis var. capillaceus Milo S. Baker Modoc Forestdale 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
  UC1101367  Ranunculus aquatilis var. capillaceus Calvin McMillan and Malcolm A. Nobs 1949-6-15 786 Modoc 3 mi w Canby (marshy pool); Pitt River Comment
  CAS-BOT-BC217271  Ranunculus aquatilis var. diffusus Annie Montague Alexander; L. Kellogg 1946-7-7 4921 Modoc W of Lake Annie. Comment
  CHSC115851  Ranunculus aquatilis var. diffusus Lowell Ahart; John Dittes 2015-7-16 20376 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
  JEPS114829  Ranunculus aquatilis var. diffusus Lowell Ahart, John Dittes 2008-6-21 14989 Modoc In the drying pond, north of the large culvert, east of the large levee, mountain meadow, in Big Valley, about 2.8 miles (air) north of the Headquarters at Ash Creek State Wildlife Area, about 5.4 miles (air) northeast of Bieber 1255 Comment
  JEPS114848  Ranunculus aquatilis var. diffusus Lowell Ahart, John Dittes 2008-6-22 15040 Modoc In shallow water, along a natural drainage, about 150 yards north of the road levee, in Big Valley, about 2.1 miles (air) northeast of the Headquarters at Ash Creek State Wildlife Area, about 5.0 miles (air) northeast of Bieber 1262 Comment
  CAS-BOT-BC217230  Ranunculus cymbalaria Bruce Bartholomew 1994-7-1 6764 Modoc Turner Creek adjacent to Forest Service road 42N21. 1470 Comment
  CAS-BOT-BC217233  Ranunculus cymbalaria Roxana Stinchfield Ferris; L. Lorraine 1941-8-14 10602 Modoc 8.5 mi. from Patterson Ranger Station on Eagleville road, Warner Mts. Modoc National Forest Comment
  CAS-BOT-BC217235  Ranunculus cymbalaria Bruce Bartholomew 1989-7-14 4939 Modoc Stone Coal Valley, 2 km W of State Hwy 299. 1340 Comment
  UC480945  Ranunculus cymbalaria var. saximontanus W. P. Taylor and H. C. Bryant 1910-7-13 Modoc Head N. Fork Parker Cr. Warner Mountains 2225 Comment
  POM312417  Ranunculus cymbalaria var. saximontanus H. L. Mason 1947-8-15 13552 Modoc Mouth of Crane Creek on Willow Ranch, east side of Goose Lake. Comment
  UC499815  Ranunculus eschscholtzii var. oxynotus Elmer I. Applegate 1932-8-3 8133 Modoc Eagle Peak Warner Mts. (e slope, bank near summit) 2743 Comment
  CAS-BOT-BC217240  Ranunculus flabellaris Alice Eastwood; John Thomas Howell 1940-6-12 8080 Modoc Jess Valley. Comment
  RSA84858  Ranunculus flabellaris Alice Eastwood, John T. Howell 1940-6-12 8080 Modoc Jess Valley. Comment
  UC13929  Ranunculus glaberrimus Mrs. R. M. Austin April, 1894 Modoc Comment
  UC72004  Ranunculus glaberrimus Milo S. Baker Modoc Big Valley Comment
  CAS-BOT-BC217243  Ranunculus glaberrimus var. ellipticus Bruce Bartholomew; Barrett Anderson 1989-4-27 4632 Modoc Ryan Canyon, 6.0 km NW of Adin on road to Dutch Flat. 1370 Comment
  JEPS86347  Ranunculus occidentalis Jack and Betty Guggolz 963 Modoc w Jenkins Comment
  UC1126194  Ranunculus occidentalis R. C. Wilson 1933-5-21 22 Modoc Rush Creek Canby Quadrangle Comment
  UC748221  Ranunculus occidentalis Annie M. Alexander and Louise Kellogg 1946-6-7 4672 Modoc 1/2 mi e Cedarville 1453 Comment
  POM275138  Ranunculus occidentalis A. M. Alexander 1946-6-8 4697 Modoc Road from Eagleville to Patterson Mill. 2287 Comment
  CDA24335  Ranunculus occidentalis var. eisenii T. C. Fuller 1963-6-11 10650 Modoc Little Meadow Campground, South Fork of the Pit River, 7.9 miles east of Likely. 0 Comment
  UC72750  Ranunculus orthorhynchus var. orthorhynchus Milo S. Baker Modoc Forestdale Comment
  JEPS55164  Ranunculus sceleratus Mary H. Manning 1903-5-8 126 Modoc Comment
  RSA604937  Ranunculus sceleratus var. multifidus Louis C. Wheeler 1935-8-3 3762 Modoc Warner Mountains: Pine Creek. 1738 Comment
  RSA85295  Ranunculus sceleratus var. multifidus F. W. Peirson 1926-6-26 6904 Modoc Alturas to Canby Comment
  HSC11525  Ranunculus testiculatus M. T. Milligan 1964-4-25 Modoc 1 mi. up Barns Grade Rd. at stock pens Comment
  RSA145549  Ranunculus testiculatus T. L. Secrest 1961-6-11 s.n. Modoc along edge of Hwy 299 1 miles NW of Alturas Comment
  CAS-BOT-BC217161  Ranunculus uncinatus Bruce Bartholomew 1994-5-30 6744 Modoc Johnson Creek. 1570 Comment
  CAS-BOT-BC217166  Ranunculus uncinatus Elmer Ivan Applegate 1932-7-31 7973 Modoc Mill Creek Meadows, west slope of Warner Mts. Comment
  CAS-BOT-BC217167  Ranunculus uncinatus Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10547 Modoc Patterson Ranger Station (East Creek drainage), Warner Mts. Modoc National Forest 2164 Comment
  UC485337  Ranunculus uncinatus Mrs. M. H. Manning 1905-6-12 712 Modoc Warner Range; ne Modoc Co. 1524 Comment
  RSA78890  Rhamnus rubra E. K. Balls, Percy C. Everett 1952-10-11 18156 Modoc 0.3 miles SE of crest of Fandango Pass, Warner Mts. 1829 Comment
  CAS-BOT-BC95605  Rhodiola rosea subsp. integrifolia Bruce Bartholomew 1990-8-4 5654 Modoc E and below junction of Pine Creek Trail and Summit Trail, E side of Warner Mts. 2680 Comment
  CAS-BOT-BC95677  Rhododendron columbianum K. Paulson; Robert Paulson 1989-7-14 189 Modoc Vicinity of Bell Mine, N end of the Warner Mts. 2217 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
  CAS-BOT-BC225856  Ribes aureum John H. Hatton 1911-6-13 85 Modoc unspecified 1371 Comment
  CAS-BOT-BC225857  Ribes aureum Elmer Ivan Applegate 1929-7-29 6089 Modoc N side of Clear Lake. Comment
  NY454720  Ribes aureum B. M. Bartholomew 1989-4-29 4703 Modoc Sand Creek, east side of Surprise Valley, ca. 10 km east of Cedarville 1400 Comment
  UC71821  Ribes aureum Mrs. M. H. Manning 1903-4 95 Modoc valley near Fort Bidwell Comment
  UCD102115  Ribes aureum J. P. Smith; J. O. Sawyer 1972-5-6 5278 Modoc along Lassen Creek on road from Fandango Valley to Davis Creek. 1463 Comment
  CAS-BOT-BC225868  Ribes cereum Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16417 Modoc Mountainside near summit of Cedar Pass between Alturas and Cedarville. 1943 Comment
  CAS-BOT-BC225879  Ribes cereum Alice Eastwood; John Thomas Howell 1940-6-12 8044 Modoc Between Likely and Jess Valley. Comment
  CAS-BOT-BC225892  Ribes cereum Bruce Bartholomew; Barrett Anderson 1988-5-14 4199 Modoc Pease Cabin, 0.8 km E of Fletcher Creek on USFS road 47N09 between Goose Lake and Crowder Flats. 1550 Comment
  HSC80719  Ribes cereum G. M. Riegel 1980-7-2 814 Modoc S Warner Mtns. 1670 Comment
  JEPS49422  Ribes cereum W. L. Jepson 1918-8-7 7876 Modoc at very summit Mt. Bidwell 2507 Comment
  RSA101498  Ribes cereum R. Weatherby 1955-7-7 1606 Modoc 7 mi. north of Ft. Bidwell. 1890 Comment
  UC71794  Ribes cereum Mrs. M. H. Manning 1902-10-11 37 b Modoc ne Modoc Conty Comment
  UCD38342  Ribes cereum Beecher Crampton; with Carl Rimbey 1954-7-8 2185 Modoc 12 miles east of Likely. Canyon on the south fork of the Pit River. Comment
  SEINET195470 Image available Ribes montigenum Annie M. Alexander, L Kellogg 1946-6-25 4822 Modoc North end of the Warner Mountains Dismal Swamp 2256 Comment
  CAS-BOT-BC225918  Ribes velutinum E. S. Willits 1940-4-27 191 Modoc Sugar Hill. Comment
  CAS-BOT-BC225928  Ribes velutinum Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-11 6500 Modoc W side of Timber Mountain on Crowder Flat Road. 1680 Comment
  RSA0019692  Ribes velutinum E. K. Balls 1950-5-13 14666 Modoc Goose Lake, east shore near Willow Ranch. 1463 Comment
  NY455564  Ribes viscosissimum B. M. Bartholomew 1988-6-24 4298 Modoc Road beyond poison Lake, ca. 8 km south of the road from US Highway 396 to lily Lake, Warner Mountains 2130 Comment
  SEINET195338 Image available Ribes viscosissimum Annie M. Alexander, L Kellogg 1946-6-15 4772 Modoc Deep Creek 1981 Comment
  RSA0020909  Ribes viscosissimum Bruce Bartholomew, B. Anderson 1988-6-24 4298 Modoc Road beyond Poison Lake, ca. 8 km S of the road from Hwy 395 to Lily Lake, Warner Mountains. 2130 Comment
  CAS-BOT-BC50368  Rigiopappus leptocladus Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16373 Modoc Junction of Cedar Pass road with Hwy 299. Comment
  CAS-BOT-BC58413  Rorippa curvisiliqua John Thomas Howell 1934-6-30 12296 Modoc Duncan Horse Camp. 1355 Comment
  CAS-BOT-BC58414  Rorippa curvisiliqua Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10561 Modoc Patterson Ranger Station (East Creek drainage), Warner Mts. 2164 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
  UC748069  Rorippa curvisiliqua Annie M. Alexander and Louise Kellogg 1946-6-26 4830 Modoc Dismal Swamp n end Warner Mountains, Dismal Swamp 2255 Comment
  SEINET11546665  Rorippa curvisiliqua M. J. Williams 1984-6-30 84- 80 -3 Modoc Near reservoir, 6.8 miles W of Cedarville-Gerlach Road. 1981 Comment
  NY181937  Rorippa curvisiliqua var. orientalis B. M. Bartholomew 1991-6-21 5814 Modoc N side of Mud Lake, 5.8 km S of Forest Service road 73 on road to Rim Rock Valley. 1570 Comment
  CAS-BOT-BC497209  Rosa Gladys L. Smith; Margaret Williams; Loring Williams; Charles Smith 1983-9-14 8384 Modoc About 7.0 mi N of Cedarville along side road to Wilson Patch Ranch (see US Forest Serv. map) Comment
  HSC19625  Rosa gymnocarpa M. G. Burgoyne 1962-4-17 1002 Modoc 12 mi. N of Cedarville on valley rd. 1372 Comment
  HSC80702  Rosa woodsii subsp. ultramontana G. M. Riegel 1979-8-25 688 Modoc South Warner Mtns. 1670 Comment
  RSA210881  Rosa woodsii subsp. ultramontana Robert F. Thorne, James Henrickson, C. W. Tilforth 1969-9-4 39086 Modoc N Fork of Pit River 3.4 mi N of Alturas where crossed by Highway 395. 1341 Comment
  RSA67243  Rosa woodsii subsp. ultramontana Philip A. Munz 1951-9-14 16977 Modoc Jess Valley, 13 miles east of Likely 1631 Comment
  CAS-BOT-BC218246  Rosa woodsii var. ultramontana Lindsay Stuart Smith 1920-6-15 25 Modoc Fillingim's 1371 Comment
  CAS-BOT-BC218247  Rosa woodsii var. ultramontana Philip Alexander Munz 1951-9-14 16977 Modoc Jess Valley, 13 mi. E of Likely. 1630 Comment
  CHSC106197  Rosa woodsii var. ultramontana Lowell Ahart; John Dittes 2010-8-31 17096 Modoc On the west side of Elkins Lane, about 20 yards south of the bridge across Ash Creek, Ash Creek State Wildlife Area, 4215 feet north of Lassen County Line, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  UC1075761  Rosa woodsii var. ultramontana Robert J. Weatherby 1955-7-8 1627 Modoc 5 mi n Ft. Bidwell; no. Warner Mts. 1783 Comment
  UC201726  Rosa woodsii var. ultramontana W. P. Taylor and H. C. Bryant 1910-6-25 Modoc Parker Cr. Warner Mountains 1676 Comment
  UC467685  Rosa woodsii var. ultramontana Milo S. Baker 1898-1 Modoc Forestdale Comment
  UC467796  Rosa woodsii var. ultramontana W. P. Taylor and H. C. Bryant 1910-8-7 Modoc Dry Creek Warner Mountains 1447 Comment
  UC555644  Rosa woodsii var. ultramontana F. H. Frost 1925-7-11 32 Modoc Cedar Canyon camp site, Warner Mountains Comment
  UC71703  Rosa woodsii var. ultramontana Mrs. M. H. Manning 1903-10-4 49 Modoc Surprise Valley Comment
  UCD101328  Rumex lacustris Herbert L. Mason; Verne Grant 1947-7-10 13336 Modoc Dorris Reservoir, 2 miles east of Alturas. Comment
  CDA23184  Rumex occidentalis T. C. Fuller 1958-7-8 2031 Modoc 4 miles south of Pine Creek. 0 Comment
  CAS-BOT-BC211314  Rumex salicifolius Bruce Bartholomew; Barrett Anderson 1990-7-19 5439 Modoc Sweagert Flat. 1860 Comment
  CDA23204  Rumex salicifolius var. transitorius T. C. Fuller 1958-7-8 2033 Modoc 4 miles south of Pine Creek. 0 Comment
  UC711876  Rumex salicifolius var. triangulivalvis Roxana S. Ferris and Laura Lorraine 1941-8-13 10550 Modoc Patterson Ranger Station, East Creek drainage Warner Mountains, Modoc National Forest, East Creek 2164 Comment
  UC935798  Sagittaria cuneata Verne Grant and Irving Schneider 1947-7-29 8179 Modoc s Alturas (near Payne Reservoir, Fitzhugh Creek); Fitzhugh Creek, near Payne Reservoir Comment
  RSA170191  Sagittaria cuneata W. L. Jepson 1918-8-5 7825 Modoc S Fork Valley. 1372 Comment
  POM182451  Sagittaria latifolia Milo S. Baker 1893-7-25 s.n. Modoc Egg Lake. 1220 Comment
  SEINET11763433  Sagittaria latifolia E. I. Applegate 1929-1 6094 Modoc Clear Lake Dam, Clear Lake Comment
  RSA603489  Salix Louis C. Wheeler 1935-8-13 3832 Modoc Warner Mountains: Barnes Creek. Mt. Diablo Mer. 2287 Comment
  CAS-BOT-BC225111  Salix bebbiana Belknap C. Goldsmith 1911-5-21 25 Modoc East shore of Goose Lake. 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
  RSA612550  Salix boothii Louis C. Wheeler 1935-8-2 3748 Modoc Twelve Mile Creek. Warner Mtns. 2256 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
  CAS-BOT-BC225762  Salix eastwoodiae Francis Dorris Payne 1931-6-25 277 Modoc Pine Creek Basin, Warner Mts., about 33 km SE of Alturas. 2280 Comment
  LA208599  Salix eastwoodiae Frances D. Payne; 1931-6-25 275 Modoc Warner Mountains, Pine Creek Basin, about 33 km. SE of Alturas 2280.0 Comment
  SD964  Salix eastwoodiae Frances D. Payne 1931-6-25 275 Modoc Pine Creek Basin, Warner Mountains, about 33 km southeast of Alturas, near spring along creek 2280 Comment
Read comments
Nov 9 2011
  RSA0034853  Salix eastwoodiae Frances D. Payne 1931-7-8 177 Modoc Pine Creek Basin, Warner Mountains, about 33 km. southeast of Alturas. 2280 Comment
  CAS-BOT-BC225769  Salix exigua Belknap C. Goldsmith 1911-5-28 28 Modoc County road, near Goose Lake. 1493 Comment
  NY187440  Salix exigua N. F. Bracelin 1931-6-30 501 Modoc Alturas 1360 Comment
  RSA0039537  Salix exigua Lowell A. Ahart, John Dittes 2008-8-25 15310 Modoc On the east bank (flood plain) of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout. 1273 Comment
  SBBG58876  Salix exigua Mrs. H. P. Bracelin 1931-6-30 501 Modoc Alturas, SW end of town 1300 Comment
  UC481816  Salix exigua Mrs. H. P. Bracelin 1931-6-30 501 Modoc sw end of town Alturas 1360 Comment
  CAS-BOT-BC229688  Salix lasiandra subsp. caudata H. Paul Arnaud 1967-8-12 s.n. Modoc Cedar Pass Campground. Comment
  UC481804  Salix lasiandra subsp. lasiandra Mrs. H. P. Bracelin and Miss Frances D. Payne 1931-6-30 498 Modoc 20 km. e., s. of Payne Ranch, Parker Creek Alturas; Parker Creek 1560 Comment
  UC481940  Salix lasiandra subsp. lasiandra Mrs. H. P. Bracelin and Miss Frances D. Payne 1931-6-30 490 Modoc 20 km. e. Alturas (meadow s. of Payne Ranch); Parker Creek 1560 Comment
  CAS-BOT-BC197559  Salix lasiandra var. lasiandra Louis Cutter Wheeler 1935-8-3 3772 Modoc Pine Creek, Warner Mts. 1554 Comment
  JEPS14866  Salix lasiandra var. lasiandra F. H. Frost 1925-7-11 21 Modoc 2 mi above Cedarville (Cedar Canyon campsite) Comment
  SD997  Salix lasiandra var. lasiandra Mrs. H. P. Bracelin, Miss Frances D. Payne 1931-6-30 498 Modoc Parker Creek, 20 km east of Alturas, in meadow south of Payne Ranch 1559 Comment
  UC481929  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-29 486 Modoc halfway between Adin and Canby (0.1 mi. s. of Rush Creek Service Station, some distance from Rush Creek) 1350 Comment
  UC481934  Salix lasiolepis Mrs. H. P. Bracelin and Miss Frances D. Payne 1931-6-30 492 Modoc 20 km. e. Alturas (Parker Creek, meadow s. of Payne Ranch); Parker Creek 1560 Comment
  POM107143  Salix lasiolepis var. bigelovii R. M. Austin 1895-04 74 Modoc Davis Creek Comment
  CAS-BOT-BC197552  Salix lasiolepis var. lasiolepis H. P. Bracelin 1931-6-29 486 Modoc Halfway between Adin and Canby. 1350 Comment
  CAS-BOT-BC229663  Salix lemmonii Louis Cutter Wheeler 1935-8-3 3760 Modoc Pine Creek, Warner Mts. 1737 Comment
  CAS-BOT-BC229665  Salix lemmonii Elmer Ivan Applegate 1932-7-31 7980 Modoc Mill Creek Meadows, Warner Mts. Comment
  POM209559  Salix lemmonii Frances D. Payne 1934-08 778 Modoc Pine Creek Basin. Warner Mtns. 2317 Comment
  UC437299  Salix lemmonii Belknap C. Goldsmith 1911-5-21 26 Modoc e. shore Goose Lake; Modoc Forest Comment
  SEINET10734992  Salix lucida subsp. caudata Andrew Townesmith, Karen M. Meyer 2007-9-15 Townesmith 931 Modoc Modoc National Forest, Warner Mountain Ranger District. Along state route 299, 10.9 miles west of junction with US route 395. At Cedar Pass. T43N R15E S28 SW 1/4. 1928 Comment
  SBBG27359  Salix lucida subsp. lasiandra Mrs. H. P. Bracelin 1931-6-30 498 Modoc Parker Crk, 20 km E of Alturas, meadow S of Payne Ranch 1560 Comment
  UC481854  Salix scouleriana Frances D. Payne 1931-6-22 293 Modoc e. slope Mt. Warren (spring on s. slope of ravine of Owl Creek); , Owl Creek 2400 Comment
Read comments
Mar 23 2012
  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
  SEINET14190209 Image available Salvia aethiopis P. C. Martinelli, T. C. Fuller 1974-7-19 s.n. Modoc Alturas area Comment
  CAS-BOT-BC179248  Salvia dorrii var. dorrii B. Bartholomew 1995-6-2 6939 Modoc About 9 km E of Eagle on SE side of Surprize Valley. 1480 Comment
  RSA165572  Salvia dorrii var. pilosa Clare B. Hardham 1961-6-17 7529 Modoc Lava flows between Alturas and Susanville 1524 Comment
  RSA446306  Salvia dorrii var. pilosa Christopher Davidson 1975-6-4 2607 Modoc 1/4 mi. W of Cedarville on Hwy 299. 1463 Comment
  UC1953386  Salvia dorrii var. pilosa Tom Schweich 1996-6-29 61 Modoc Warner Mountains; East aide of South Warner Mountains, near the mouth of North Deep Creek Canyon, 3.6 km southwest of Cedarville, CA. 1500 Comment
  POM68254  Sambucus caerulea Mrs. R. M. Austin 1895-07 167 Modoc Goose Lake Valley. Comment
  HSC3960  Sambucus nigra subsp. caerulea M. T. Milligan 1966-7-1 516 Modoc Slopes and ridges E of Jess Valley. 1585 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
  CAS-BOT-BC15676  Sanicula graveolens Bruce Bartholomew; Barrett Anderson 1990-7-20 5532 Modoc 3.4 km NW of Tamarack Flat, E side of Warner Mts. 2130 Comment
  JEPS1016  Sanicula graveolens M. S. Baker and Franklin P. Nutting 1894-6-15 Modoc Big Valley Mountains Comment
  NY1101599  Sanicula graveolens B. M. Bartholomew 1988-7-23 4559 Modoc Road beyond Poison Lake ca. 8 km south of the road from U.S. Highway 395 to Lily Lake, Warner Mountains 2140 Comment
  HSC80789  Sanicula graveolens G. M. Riegel 1979-7-13 511 Modoc South Warner Mountains 1829 Comment
  CAS-BOT-BC95563  Sarcobatus vermiculatus Belknap C. Goldsmith 1911-1-1 Modoc Buck Mt. Ranger Station, Fandango Valley. Comment
  UC1281255  Sarcobatus vermiculatus H. E. McMinn 1931-5-23 2457 Modoc e. Middle Lake Comment
  UC1567388  Saxifraga cespitosa Gary Schoolcraft and Rick York 1989-7-16 1968 Modoc s of Patterson Lake; Warner Mountains, Eagle Lake Area 2804 Comment
  RSA152456  Saxifraga nidifica I. L. Wiggins, Dorothy B. Wiggins 1961-6-12 16423 Modoc Near summit of Cedar Pass. Between Alturas and Cedarville. 1936 Comment
  RSA59513  Saxifraga nidifica var. claytoniifolia E. K. Balls 1950-5-12 14657 Modoc N of Bucks Creek Ranger Station. Modoc National Forest. E of Goose Lake. 1646 Comment
  UC1483867  Saxifraga nidifica var. nidifica G. Schoolcraft 1980-4-29 210 Modoc n of Adin (Harper Hill); Harper Hill 1402 Comment
  JEPS43513  Saxifraga oregana Frances D. Payne 1932-6-12 541 Modoc about 3 mi n of Parker Creek (e of Fern Springs, s and e of Alturas); Warner Mountains Comment
  CAS-BOT-BC245132  Schoenoplectus acutus var. occidentalis Bruce Bartholomew 1989-8-11 5061 Modoc Along W side of Goose Lake, 10.3 km S of the Oregon border on National Forest Road 48. 1430 Comment
  RSA210779  Schoenoplectus acutus var. occidentalis Robert F. Thorne, James Henrickson, C. W. Tilforth 1969-9-4 39070 Modoc SW shore of Goose Lake N of McGinty Point 1433 Comment
  RSA210782  Schoenoplectus acutus var. occidentalis Robert F. Thorne, James Henrickson, C. W. Tilforth 1969-9-3 39024 Modoc SE end of Tule Lake Sump 0.5 miles N of turnoff to Lava Beds National Monument, (2.2 miles E of NE entrance to monument) 1265 Comment
  CAS-BOT-BC245127  Schoenoplectus americanus Bruce Bartholomew 1990-6-17 5290 Modoc Surprise Valley, SW side of Lower Alkali Lake, 3.2 km N of Lassen County border. 1370 Comment
  CAS-BOT-BC245111  Schoenoplectus pungens Robert Folger Thorne; et al 1969-9-4 39072 Modoc S end of Goose Lake. 1432 Comment
  UCD49970  Schoenoplectus pungens var. longispicatus Irving Schneider; Verne Grant 1947-7-19 8083 Modoc Williams Ranch, north of Likely. Comment
  UC1100876  Scirpus americanus Herbert L. Mason 1947-8-11 13499 Modoc on Highway 81 w margin Lower Lake (near boundary between Lassen and Modoc counties); w margin Lower Lake Comment
  CAS-BOT-BC245117  Scirpus microcarpus Bruce Bartholomew; Barrett Anderson 1988-7-21 4604 Modoc Above Upper Rush Creek Campground ca. 4 km E of State Highway 299 between Adin and Canby. 1580 Comment
  CAS-BOT-BC245121  Scirpus microcarpus Verne Grant; I. Schneider 1947-7-20 8096 Modoc North Fork of Pit River by Dorris bridge, Alturas. Comment
  JEPS63960  Scirpus microcarpus W. L. Jepson 1918-8-9 7922 Modoc 3 mi s Ft. Bidwell; s of Ft. Bidwell 1432 Comment
  RSA252391  Scirpus microcarpus Robert F. Thorne, C. W. Tilforth 1969-9-5 39154 Modoc Wet mud at margin of Clear Lake. Warner Mountains, Modoc National Forest. 1768 Comment
  RSA531332  Scirpus microcarpus Bruce Bartholomew, B. Anderson 1990-7-19 5425 Modoc Top of Hunters Ridge south of Rush Creek. 1960 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
  UC1100805  Scirpus pungens Herbert L. Mason 1948-9-4 13665 Modoc Rush Creek Mono Lake; , Mono Lake Comment
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Jun 2 2015
  HSC21135  Scrophularia desertorum M. T. Milligan 1965-6-30 393 Modoc Slopes and ridges E of Jess Valley. 1768 Comment
  POM203784  Scrophularia lanceolata J. T. Howell 1934-6-12 12008 Modoc Between Davis Creek and Plum Valley Comment
  UC748465  Scrophularia lanceolata Annie M. Alexander and Louise Kellogg 1946-7-5 4806 Modoc lava cliff w Lower Lake Comment
  RSA0089761  Scutellaria nana Dean Wm. Taylor 2014-6-10 21484 Modoc Vicinity Mud Lake; County Road 91 (Lookout to Tule Lake) at the junciton, Modoc National Forest Road 42N56. 1432 Comment
  CHSC70723  Sedum lanceolatum S. Stearns 1996-7-3 2231 Modoc N of Bidwell Mtn. just W of Rd. On talus scree bluff, west side of road to Bidwell Mtn. 2286 Comment
  HSC81211  Sedum lanceolatum G. M. Riegel 1980-8-12 1041 Modoc South Warner Mtns. 1739 Comment
  HSC80942  Sedum stenopetalum G. M. Riegel 1979-7-14 511 Modoc South Warner Mtns. 1739 Comment
  UC11230  Sedum stenopetalum Mrs. R. M. Austin Aug. 1894 Modoc hills e Goose Lake; hills e of Goose Lake Comment
  CAS-BOT-BC95624  Sedum stenopetalum subsp. stenopetalum Margaret J. Williams 1984-6-30 84- 80 -7 Modoc 6.8 mi. W of Cedarville-Gerlach road. 1981 Comment
  UC75814  Senecio aronicoides Milo S. Baker 1893-1 Modoc Forestdale Comment
  HSC6136  Senecio aronicoides M. T. Milligan 1965-6-27 368 Modoc E slope of eroded volcanic plateau. 1677 Comment
  CDA8598  Senecio canus M. Carstens, D. Chambers 1979-7-6 Modoc Western county about 17 airline miles north of Lookout. 0 Comment
  CAS-BOT-BC50280  Senecio fremontii var. fremontii Elmer Ivan Applegate 1932-8-1 8048 Modoc Eastern slope of Warren Peak near summit, Warner Mountains Comment
  CAS-BOT-BC50282  Senecio hydrophiloides Bruce Bartholomew; Barrett Anderson 1988-7-22 4546 Modoc Benton Meadow, Warner Mts.. 2180 Comment
  CHSC85145  Senecio hydrophilus John Dittes; Josephine Guardino 1991-7-21 412 Modoc Modoc Plateau; Big Valley; Ash Creek Wildlife Area; ca. 5.7 air-miles northeast of Bieber, ca. 7.6 air-miles west of Adin, ca. 1.5 air-mile southeast of Pilot Butte summit; meadow at northern edge of Ash Creek Floodplain (Big Swamp) at southeast base of Pilot Butte. 1258 Comment
  RSA0012564  Senecio hydrophilus F. W. Peirson 1926-6-25 6894 Modoc 1 mile east of summit of Warner Mts. on Cedarville Road. Comment
  SDSU490  Senecio hydrophilus D. F. Howe 1966-8-26 4307 Modoc 1.3 miles north of Lassen-Modoc Co. line. 1341 Comment
  UC71605  Senecio hydrophilus Mrs. M. H. Manning 1903-8-25 325 Modoc Sessions Swamp Sessions Swamp (north-eastern Modoc County) Comment
  CAS-BOT-BC50288  Senecio integerrimus var. exaltatus Betty J. Hammerly 1941-6-20 36 Modoc Along banks of Clear Lake, S end of Warner Mts. Comment
  CAS-BOT-BC50296  Senecio integerrimus var. exaltatus Elmer Ivan Applegate 1932-8-1 8039 Modoc Arid summit of Warner Mountains, S of Warren Peak. Comment
  UC748075  Senecio integerrimus var. exaltatus Annie M. Alexander and Louise Kellogg 1946-6-5 4671 Modoc s of Eagleville; Warner Mountains, Emerson Creek 1828 Comment
  UC748429  Senecio integerrimus var. exaltatus Annie M. Alexander and Louise Kellogg 1946-6-5 4663 Modoc s of Eagleville (along road); Warner Mountains, Emerson Creek 2133 Comment
  HSC67882  Senecio serra J. P. Smith, J. O. Sawyer 1973-8-8 7253 Modoc Just N of Patterson Guard Station along Summit Trail 2195 Comment
  CAS-BOT-BC50266  Senecio serra var. serra Leland S. Smith 1919-8-4 1137 Modoc Ash Creek, Modoc National Forest 1828 Comment
  HSC81129  Senecio triangularis G. M. Riegel 1980-8-12 1033 Modoc South Warner Mtns. 2100 Comment
  RSA503243  Senecio triangularis Bruce Bartholomew, B. Anderson 1988-7-22 4533 Modoc Mill Creek, Lake City Canyon, 5.5 km west of Lake City, east side of the Warner Mountains 1860 Comment
  RSA0011802  Shepherdia argentea E. K. Balls 1950-5-11 14612 Modoc West of Middle Lake, between Eagleville and Cedarville. 1433 Comment
  UCR131813  Sidalcea malviflora George Willet 1935-6-14 s.n. Modoc 6 mi east of Likely 1524 Comment
  HSC16024  Sidalcea oregana M. T. Milligan 1966-7-3 525 Modoc Slopes and ridges E of Jess Valley 1829 Comment
  CAS-BOT-BC179061  Sidalcea oregana subsp. oregana John Thomas Howell 1934-6-30 12286 Modoc Duncan Horse Camp. 1355 Comment
  CAS-BOT-BC179066  Sidalcea oregana subsp. oregana Alice Eastwood; John Thomas Howell 1940-6-12 8040 Modoc Between Likely and Jess Valley. Comment
  CAS-BOT-BC179084  Sidalcea oregana subsp. oregana Elmer Ivan Applegate 1932-7-8 7565 Modoc Dry W margin of Cowhead Lake. Comment
  RSA520348  Sidalcea oregana subsp. oregana Bruce Bartholomew, B. Anderson 1989-6-3 4886 Modoc ca. 5.5 km E of the SE cirber if Clear Lake Reservoir 1430 Comment
  UC18928  Sidalcea oregana subsp. oregana Milo S. Baker 1893-7-10 Modoc Comment
  CHSC106713  Sidalcea oregana subsp. spicata Barbara Ertter 1988-6-18 7612 Modoc W side of Hwy 139 just S of where it crosses rialroad at jct to Clear Lake, NE of Dry Lake E of Lava Beds Nat'l Monument. 1249 Comment
  CHSC117013  Sidalcea oregana subsp. spicata Lowell Ahart; John Dittes 2016-6-6 20954 -A Modoc About 40 yards west of the dirt road, about 50 yards southwest of the intersection of County Road 87 and Access Road to Pilot Butte Parking area, northeast base of Pilot Butte, 3.8 miles (air) east of Lookout, 7.5 miles (air) west of Adin, Ash Creek State Wildlife Area 1271 Comment
  JEPS67273  Sidalcea oregana subsp. spicata Leland S. Smith 1918-8-12 1031 Modoc Camp One s slope South Warner Mts., Modoc Forest, Camp One T38-16 (South Warner Mts., Modoc Forest) 2468 Comment
  JEPS51022  Silene douglasii W. L. Jepson 1918-8-7 7892 Modoc Mt. Bidwell 2286 Comment
  RSA610960  Silene douglasii L. C. Wheeler 1935-8-5 3784 Modoc Pine Creek, Warner Mts. 2317 Comment
  CAS-BOT-BC95243  Silene douglasii var. douglasii Roxana Stinchfield Ferris; L. Lorraine 1941-8-14 10610 Modoc Summit of Fandango Pass. 1889 Comment
  CAS-BOT-BC95244  Silene douglasii var. douglasii Bruce Bartholomew; Barrett Anderson 1990-7-20 5489 Modoc 10.3 km N of Buck Creek Ranger Station, crest of Warner Mountains W side of Warner Mts. 2130 Comment
  CAS-BOT-BC95253  Silene douglasii var. douglasii Robert Patterson; Mona Bourell 1993-8-15 5265 Modoc Warner Mountains. Along trail from Patterson Lake to ca. 2 mi north towards Pepperdine Trailhead. 2743 Comment
  NY452817  Silene menziesii B. M. Bartholomew 1990-6-17 5330 Modoc Sand Creek, 9.6 miles east of Cedarville, Surprise Valley. 1390 Comment
  NY452818  Silene menziesii A. Tiehm 1984-6-30 8840 Modoc Northwest side of Bidwell Mountain, 2.8 road miles north of 8 mile creek on the road from Lake Annie 1828.8 Comment
  UC8480  Silene menziesii Mrs. R. M. Austin Aug., 1894 Modoc Sugar Loaf Hill Comment
  CHSC113092  Silene nuda Lowell Ahart; John Dittes 2013-7-25 18954 Modoc On the north side of a deep drainage, dry meadow, 30 yards south 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-BC95274  Silene oregana Roxana Stinchfield Ferris; L. Lorraine 1941-8-14 10577 Modoc 3 miles from Patterson Ranger Station on road to Eagleville, Warner Mts. Comment
  CDA3901  Sinapis arvensis T. C. Fuller 1959-7-8 s.n. Modoc Junction of Highways 299 and 139, 1 miles west of Canby. 0 Comment
  CAS-BOT-BC95043  Sisymbrium altissimum James D. Jokerst 1983-7-27 1903 Modoc Near Signal Butte. 1340 Comment
  JEPS117364  Sisymbrium altissimum Lowell Ahart, John Dittes 2010-8-30 17078 Modoc Along the fence, south edge of the meadow, Ash Creek State Wildlife Area, 2,300 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley 1267 Comment
  JEPS64289  Sisyrinchium halophilum Frances D. Payne 1931-6-12 156 Modoc e of Alturas (Parker Creek); Warner Mountains 1584 Comment
  CAS-BOT-BC245084  Sisyrinchium idahoense var. idahoense Bruce Bartholomew 1993-6-12 6602 Modoc Tom Large Flat, W of Egg Lake. 1260 Comment
  HSC13935  Sisyrinchium idahoense var. idahoense M. T. Milligan 1965-7-11 445 Modoc N end of Jess Valley 1616 Comment
  UC71554  Sium suave Mrs. M. H. Manning 1903-7-1 461 Modoc Mill Canyon, Bidwell Creek, in north-eastern Modoc County Bidwell Creek; Mill Canyon, Bidwell Creek 1828 Comment
  SEINET3991799  Smilacina amplexicaulis Unknown 1940-5-27 6681 Modoc 15 miles NE of Alutras. 1615 Comment
  UC71734  Smilacina racemosa Mrs. M. H. Manning Aug 22 1903-Jul 9 1904 135 Modoc Cottonwood Pass; ne Modoc Co. 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
  UCD126920  Solanum dulcamara Verne Grant; Irving Schneider 1947-7-19 8076 Modoc Williams ranch; along Souhern Pacific right-of-way near East Canal, in Pit Valley south of Alturas. 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
  HSC65391  Solanum triflorum Thomas Wood 1979-8-8 222 Modoc About 1.2 mi. S and then shortly W of Ft. Bidwell, along Hwy. 1 1372 Comment
  SEINET5624747  Solanum triflorum L. C. Wheeler 1935-9-22 3995 Modoc Pitt River, Rattlesnake Butte, Warm Springs Valley 1341 Comment
  UC26262  Solanum umbelliferum M. S. Baker and Frank Nutting 1894-6-8 Modoc Little Hot Spring Valley Comment
  UCR64879  Solidago canadensis George K. Helmkamp 1990-9-23 H- 2 Modoc US Hwy 395, 13 mi north of Likely 1345 Comment
  SEINET3873680  Solidago spectabilis John C. Semple, T. Ahmed; B. A. Suripto 1990-8-12 9299 Modoc Ca-299, 12.5 km W of Alturas, straight N of Rattle Snake Butte.; 0 Comment
  CHSC99899  Solidago velutina subsp. californica Lowell Ahart; John Dittes 2008-8-26 15343 Modoc On the banks of Rose Creek, 250 feet southwest of the confluence of Rose Creek and Pit River, on the northwest side of unnamed road, 3,160 feet east of intersection with County Road 85a, 9.3 miles (air) north-northeast of Lookout. 1276 Comment
  CAS-BOT-BC158914  Sorbus scopulina Elmer I. Applegate s.n. Modoc Mill Creek Meadows, west slope of the Warner Mountains Comment
  UC46334  Sorbus scopulina var. cascadensis Frances D. Payne 1929-7-7 52 Modoc 2 mi sw Mt. Warren (Pine Creek Basin); Warner Mountains 2133 Comment
  JEPS32231  Sparganium emersum var. emersum Mrs. M. H. Manning Jun 1903 434 Modoc ne Modoc County Comment
  CAS-BOT-BC54293  Sphaeromeria potentilloides var. potentilloides Harry Dwight Dillon Ripley; Rupert Charles Barneby 1944-5-30 5984 Modoc N of Likely. Comment
  CAS-BOT-BC54294  Sphaeromeria potentilloides var. potentilloides C. C. (Mrs.) Bruce 1898-6-1 2173 Modoc Alturas. Comment
  UC36601  Sphaeromeria potentilloides var. potentilloides Mrs. C. C. Bruce June 1898 2173 Modoc Alturas Comment
  CAS-BOT-BC242204  Spiranthes romanzoffiana Francis Dorris Payne 1932-8-1 755 Modoc Field redacted by CAS, contact the data manager for more information 1584 Comment
  JEPS120892  Spirodela polyrhiza Lowell Ahart, John Dittes, Todd Sloat 2013-6-8 18758 Modoc on the N side of levee, about 100 yards north of Parking Area, NW 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-BC95229  Stellaria longipes Annie Montague Alexander; L. Kellogg 1946-7-10 4959 Modoc Eight Mile Creek, NE corner of county. 1755 Comment
  NY482949  Stellaria longipes B. M. Bartholomew 1988-7-22 4515 Modoc Southeast side of Sunflower Knob, southern end of the Warner Mountains; Emerson Peak 7 1/2' Quad. 2160 Comment
  CAS-BOT-BC95295  Stellaria longipes var. longipes Verne Grant; I. Schneider 1947-8-24 8252 Modoc Jess Valley. Comment
  CAS-BOT-BC54255  Stenotus acaulis C. C. (Mrs.) Bruce 1898-6-1 2135 Modoc Lake City Mts. Comment
  CAS-BOT-BC54264  Stenotus stenophyllus Bruce Bartholomew; Barrett Anderson 1988-5-14 4190 Modoc 7 km S of turn off to Crowder Flats along West Side Road, W side of Goose Lake. 1410 Comment
  JEPS29181  Stenotus stenophyllus Lauramay T. Dempster 1961-6-18 1687 Modoc Peak just south of Cedar Pass Comment
  CHSC113063  Stipa nelsonii var. dorei Lowell Ahart; John Dittes 2013-7-25 18960 Modoc South edge of Ash Creek Floodplain, northeast of Patterson Homestead, east of Elkins Lane, 1.0 mile (air) south of County Road 87, 3 miles (air) west of Adin, Big Valley. 1267 Comment
  HSC80836  Stipa occidentalis var. occidentalis G. M. Riegel 1980-7-15 884 Modoc South Warner Mtns. 1829 Comment
  JEPS120566  Stipa thurberiana L. P. Janeway, B. Castro 2012-7-28 11038 Modoc Warner Mountains. At Obsidian Needles Obsidian Collecting Area; along Road 43N34 overlooking North Fork Davis Creek about 6.0 air km east-northeast of the community of Davis Creek (on Hwy 395). Comment
  RSA101384  Streptanthus cordatus R. Weatherby 1955-7-8 1628 Modoc 6 miles N of Ft. Bidwell. No. Warner Mtns. 1646 Comment
  SEINET201563  Streptanthus cordatus A. Cronquist, AH Holmgren 1959-6-20 8525 Modoc Cedarville Pass Warner Mts between Cedarville & Alturas 1951 Comment
  UC705857  Streptanthus cordatus Marion Ownbey and Fred G. Meyer 1940-7-1 2135 Modoc Cedar Pass Warner Mts. Comment
  POM95360  Streptanthus cordatus Mrs. R. M. Austin, C. C. Bruce 1898-06 2245 Modoc Hills near Davis Creek. Comment
  CAS-BOT-BC95054  Streptanthus cordatus var. cordatus Elmer Ivan Applegate 1932-8-5 8186 Modoc S slope of Cedar Mountain, Cedar Pass, Warner Mts. Comment
  CAS-BOT-BC95065  Streptanthus cordatus var. cordatus Louis Cutter Wheeler 1935-8-14 3842 Modoc Pine Creek, Warner Mts. 2011 Comment
  UC1736576  Streptanthus cordatus var. cordatus Dean Wm. Taylor with Glenn Clifton 1987-6-27 9102 Modoc Highway 395 3.5 miles N of Northern junction with Highway 299 1371 Comment
  CAS-BOT-BC242258  Stuckenia pectinata Bruce Bartholomew 1989-8-10 5029 Modoc Little Hot Spring Valley, 3.2 km NW of Day. 1070 Comment
  POM313016  Stuckenia pectinata H. L. Mason 1947-8-16 13564 Modoc Stronghold, northern Modoc county. 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
  UC71802  Suaeda calceoliformis Mrs. M. H. Manning 1903-8-25 323 Modoc n end Alkaline Lake (ne Modoc County) Comment
  CAS-BOT-BC180097  Swertia albicaulis var. albicaulis Bruce Bartholomew; Barrett Anderson 1989-6-3 4854 Modoc Timber Mountain, ca. 30 km N of State Hwy 299 on Crowder Flat Road. 1550 Comment
  CAS-BOT-BC180096  Swertia albicaulis var. nitida Bruce Bartholomew; Barrett Anderson 1988-7-21 4412 Modoc Whitehorse Mts., 11 km N of Day on the road to Whitehorse Flat Reservoir. 1340 Comment
  UC22717  Swertia albicaulis var. nitida Milo S. Baker 1893-7-20 Modoc 1371 Comment
  CAS-BOT-BC180091  Swertia radiata Robert Patterson; Mona Bourell 1993-8-14 5215 Modoc Patterson Lake. South Warner Wilderness Area. Warner Mountains. 2743 Comment
  RSA0025569  Symphoricarpos John F. Emmel 1996-7-16 1440 Modoc Foothills NNE of N end Surprise Valley, W of Cowhead Lake; along County Road 1, ca. 8.5 road mi NE of jct. with County Road 6 at Ft. Bidwell. 1659 Comment
  UC1037210  Symphoricarpos mollis Leo Whitney 1934-5-28 1573 Modoc near Hackamore (Spaulding Butte, ca 15 mi nw of Canby); Modoc National Forest, Spaulding Butte 1463 Comment
  CAS-BOT-BC245868  Symphoricarpos rotundifolius Mrs. R. M. Austin No date on label. 50 Modoc Hills west of Goose Lake Comment
  CAS-BOT-BC95194  Symphoricarpos rotundifolius var. rotundifolius Frances Payne 1931-6-21 231 Modoc Warner Mts., ridge west of Dry Creek 1981 Comment
  CHSC27610  Symphoricarpos rotundifolius var. rotundifolius Robert A. Schlising 1978-7-29 3330 Modoc W slope of Warner Mountains, along trail in Pine Creek Basin. 2255 Comment
  HSC4013  Symphoricarpos rotundifolius var. rotundifolius M. T. Milligan 1965-6-30 395 Modoc Slopes and ridges E of Jess Valley. 1768 Comment
  JEPS22820  Symphoricarpos rotundifolius var. rotundifolius Mrs. R. M. Austin Aug 1894 Modoc Lassen Creek Comment
  JEPS5935  Symphoricarpos rotundifolius var. rotundifolius Frances D. Payne 1931-6-21 231 Modoc s and e of Alturas (ridge w of Dry Creek, n tributary of Parker Creek); Warner Mountains, Parker Creek 1981 Comment
  UC102256  Symphoricarpos rotundifolius var. rotundifolius Mrs. R. M. Austin Aug 1894 230 Modoc Lassen Creek Comment
  UC748119  Symphoricarpos rotundifolius var. rotundifolius Annie M. Alexander and Louise Kellogg 1946-7-3 4898 Modoc 7 mi w Fort Bidwell; Bidwell Creek Canyon 1444 Comment
  CAS-BOT-BC15219  Symphyotrichum eatonii Robert Folger Thorne; C. W. Tilforth 1969-9-5 39174 Modoc Modoc National Forest, Warner Mtns., along Fall Creek below Falls 1737 Comment
  JEPS127561  Symphyotrichum foliaceum var. parryi L. P. Janeway 2015-8-11 11834 Modoc Warner Mountains. East side of Squaw Peak a little above Squaw Peak Trail. Warren Peak 7.5' Quad. Comment
  JEPS40838  Symphyotrichum spathulatum L. S. Smith 1918-7-15 999 Modoc Mill Creek Corral Modoc Forest 2087 Comment
  UC1192204  Symphyotrichum spathulatum Verne Grant and Irving Schneider 1947-7-20 8093 Modoc s of Alturas ((Jones Lane by first bridge w of Highway 395)) Comment
  CAS-BOT-BC232351  Synthyris missurica Francis Dorris Payne 1955-7-21 s.n. Modoc Lily Lake. Comment
  CAS-BOT-BC232356  Synthyris missurica C. L. Hitchcock 1940-5-27 6716 Modoc 15 mi. NE of Alturas. 1981 Comment
  CHSC109733  Synthyris missurica subsp. missurica B. Castro; L. P. Janeway 2012-7-28 1980 Modoc Warner Mountains. Along the major eastern tributary of Pine Creek where the road to Poison Lake crosses it (the road washed out here). 1943 Comment
  UC1523787  Taraxia tanacetifolia Lisa Janio 1981-7-30 48 Modoc n Canby (edge of drying reservoir); Loveness Road Pond 1524 Comment
  CAS-BOT-BC54228  Tetradymia canescens Annie Montague Alexander; L. Kellogg 1946-7-7 4940 Modoc Eight Mile Creek, NE corner of county 1752 Comment
  UC71697  Tetradymia canescens Mrs. M. H. Manning 1902-1 29 Modoc near Fort Bidwell Comment
  UC91610  Tetradymia canescens Mrs. R. M. Austin Aug 1882 Modoc plains near Goose Lake Comment
  JEPS60731  Thalictrum fendleri Leland S. Smith 1918-6-22 946 Modoc Lily Lake Modoc National Forest 2103 Comment
  JEPS86338  Thalictrum fendleri Jack and Betty Guggolz 1988-6-28 955 Modoc w Jenkins Spring Comment
  RSA399560  Thalictrum fendleri George Willet 1935-6-21 s.n. Modoc Warner Mtns. 2287 Comment
  SEINET12086567  Thalictrum occidentale R. M. Austin 1894-1 s.n. Modoc William Creek Comment
  HSC1958  Thalictrum sparsiflorum M. T. Milligan 1966-7-27 588 Modoc E of Jess Valley 1646 Comment
  CAS-BOT-BC95073  Thelypodium flexuosum Bruce Bartholomew 1993-6-13 6633 Modoc Near Fortynine Creek, E of Cedarville on E side of Surprise Valley. 1400 Comment
  POM143373  Thelypodium howellii M. S. Baker 1894-6-29 s.n. Modoc Big Valley near Lookout Comment
  CAS-BOT-BC181795  Thermopsis californica var. argentata Milo Samuel Baker 1899-8-18 Modoc Forestdale. 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
  RSA520432  Thermopsis californica var. argentata Bruce Bartholomew, B. Anderson 1990-4-26 5160 Modoc 1.1km NW of Day. 1080 Comment
  SEINET7419288  Thermopsis gracilis M. S. Baker 1900-1 s.n. Modoc Near Egg Lake. Comment
  HSC6977  Thlaspi arvense M. T. Milligan 1966-4-18 448 Modoc N end Jess Valley 1616 Comment
  UCD115576  Thlaspi arvense W. S. Ball 1937-6-28 s.n. Modoc Modoc County. Comment
  NY1083233  Tiquilia nuttallii B. M. Bartholomew 1990-6-17 5317 Modoc Surprise Valley, 6.8 km west of Eagleville 1390 Comment
  UCD93194  Torreyochloa pallida var. pauciflora August L. Hormay 1932-7-17 s.n. Modoc Lily Lake. Comment
  RSA210853  Tragopogon porrifolius R. F. Thorne, James Henrickson, C. W. Tilforth 1969-9-4 39080 Modoc E shore of Goose Lake at Willow Ranch. 1433 Comment
  CDA7709  Tragopogon porrifolius T. C. Fuller 1959-7-8 4715 Modoc South of 4th Street, east of East Street, Alturas. 0 Comment
  JEPS63189  Trichostema laxum W. I. Follett 1942-9-7 137 Modoc Lost River, E branch Comment
  JEPS89594  Trichostema oblongum Dean W. Taylor 1990-8-22 11480 Modoc Lookout Rd. 2.3 mi. s. of junction w/ State Hwy. 139 (at crossing of small perennial drainage); Modoc Plateau 1424 Comment
  UC2029544  Trichostema simulatum Richard R. Halse 2012-8-30 8710 Modoc At the junction of State Highway 139 and the Lookout-Hackamore Road (N. F. Road 46 road to Bieber), ca. 16 miles northwest of Canby Comment
  CAS-BOT-BC181789  Trifolium beckwithii Elmer Ivan Applegate 1897-6-1 868 Modoc Alturas. Comment
  CAS-BOT-BC181790  Trifolium beckwithii E. S. Willits 1940-5-20 277 Modoc Willow Ranch. Comment
  RSA503246  Trifolium cyathiferum Bruce Bartholomew, B. Anderson 1988-7-22 4517 Modoc SE side of Sunflower Know, southern end of the Warner Mtns. 2160 Comment
  UC16472  Trifolium cyathiferum Milo S. Baker 1893-6-10 Modoc Comment
  CAS-BOT-BC181773  Trifolium hybridum Bruce Bartholomew 1991-7-6 5963 Modoc Ash Creek Bird Santuary, 0.2 km N of Lassen County line on Modoc County Road 87A. 1260 Comment
  CHSC100850  Trifolium kingii var. productum L. P. Janeway 2008-8-17 9563 Modoc Warner Mountains. North slope of Bald Mountain; just below the cliffs at the top of the peak. 2409 Comment
  JEPS66044  Trifolium kingii var. productum Frances D. Payne 1931-6-29 301 Modoc e slope Mt. Warren; Warner Mtns 2286 Comment
  NY802659  Trifolium kingii var. productum B. M. Bartholomew 1988-7-23 4582 Modoc Dismal Swamp, Warner Mountains 2180 Comment
  UC748302  Trifolium kingii var. productum Annie M. Alexander and Louise Kellogg 1946-6-25 4821 Modoc Dismal Swamp Warner Mtns (n end of mtns) 2255 Comment
  JEPS66051  Trifolium kingii var. productum Leland S. Smith 1917-7-18 841 Modoc w Cedarville (Soldier Creek); Warner Mtns Comment
  CAS-BOT-BC181747  Trifolium longipes Bruce Bartholomew 1992-5-16 6328 Modoc Lunsford Spring. 1600 Comment
  CAS-BOT-BC181741  Trifolium longipes R. M. Austin 1894-7-1 Modoc Lake shore. Comment
  JEPS33201  Trifolium longipes var. hansenii Frances D. Payne 1931-6-25 249 Modoc 2 mi sw Warren Mtns (Pine Creek Basin) 2316 Comment
  CAS-BOT-BC181731  Trifolium macrocephalum Mrs. H. C. Cantelow 1940-5-31 Modoc 8.9 mi. E of Indian Springs. Comment
  CAS-BOT-BC181736  Trifolium macrocephalum Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-11 6514 Modoc 11 km S of Oregon Border along W side of Goose Lake. 1440 Comment
  CAS-BOT-BC181737  Trifolium macrocephalum E. S. Willits 1940-4-27 192 Modoc Davis Creek. Comment
  HSC27357  Trifolium macrocephalum D. H. Norris, T. Nelson, S. Dowty 1971-6-23 19414 Modoc Along Hager Basin Rd. near Big Sage Reservoir. Comment
  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
  UC748305  Trifolium macrocephalum Annie M. Alexander and Louise Kellogg 1946-6-26 4837 Modoc N end of Warner Mountains (Dismal Swamp) 2255 Comment
  SD225771  Trifolium macrocephalum Carol Witham, Jennifer Buck 2001-5-10 200 Modoc 5 mi NE along Hwy 139 from its intersection with Hwy 299, south of Hwy 139, Canby site Comment
  SEINET3131870  Trifolium macrocephalum E. K. Balls 1950-5-10 15963 Modoc 0.5 mi past fork of Hwy 395, road to Cedarville, from Alturas 1585 Comment
  UCD111341  Trifolium macrocephalum Thomas E. Bedell 1962-5-8 s.n. Modoc east of Bidwell. Fee Ranch. Comment
  SEINET7073580  Trifolium microcephalum A. G. Vestal 1955-5-18 s.n. Modoc About 3.2 miles east of Aden on Route 87. UTM Zone 10, 666674mE, 4563618mN. Coordinate datum: NAD27. Comment
  HSC15155  Trifolium pratense M. T. Milligan 1966-6-14 458 Modoc E of Jess Valley 1768 Comment
  CHSC116073  Trifolium repens Lowell Ahart; John Dittes 2015-7-16 20366 Modoc North edge of Ash Creek (destroyed), southeast of the gravel pit (destroyed), about 1/8 mile east of the parking area on the east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  CHSC117235  Trifolium repens Lowell Ahart; John Dittes 2016-7-16 21241 Modoc Between the first pond and the second going west, south of Ash Creek Canal (now filled in), south of Ash Creek, Ash Creek State Wildlife Area, 0.79 miles (air) south of County Road 87, 1.75 miles (air) west of Adin, Big Valley. 1273 Comment
  HSC100119  Trifolium repens M. T. Milligan 1966-6-14 457 Modoc N end of Jess Valley 1616 Comment
  JEPS66066  Trifolium repens Frances D. Payne 1931-6-17 171 Modoc se Aluras (Parker Creek); Warner Mtns 1584 Comment
  UC16738  Trifolium willdenovii Milo S. Baker 1894-5-23 Modoc Cow Creek Mountains Comment
  HSC81093  Trifolium wormskioldii G. M. Riegel 1980-7-30 974 Modoc S Warner Mtns. 2100 Comment
  POM127044  Trifolium wormskioldii W. P. Taylor, H. C. Bryant 1910-7-13 s.n. Modoc Warner Mountains, head N Fork of Parker Cr. 2226 Comment