Search Results — 2000 specimen records retrieved (1489 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/).
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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
  UC1280962  Abies concolor H. E. McMinn 1931-5-23 2443 Modoc Warner Mts. Comment
  UC401289  Abies concolor Mrs. M. H. Manning Modoc Ft. Bidwell Comment
  CAS-BOT-BC15668  Achillea millefolium John H. Hatton 1911-6-13 84 Modoc Modoc County. 1371 Comment
  CDA35641  Achillea millefolium J. R. Keck Jr. 1985-7-11 PDR# 237697 Modoc Davis Creek, Modoc National Forest. Comment
  RSA520361  Achillea millefolium Bruce Bartholomew 1989-7-14 4926 Modoc Along Rush Creek between Lower and upper Rush Creek Campgrounds. 1520 Comment
  UC1037173  Achnatherum hymenoides Leo Whitney 1935-7-21 3534 Modoc cemetary Alturas Comment
  UCD32707  Achnatherum lemmonii Beecher Crampton 1954-7-7 2134 Modoc Modoc County, west side of Cedar Pass. Comment
  UCD50502  Achnatherum lemmonii L. Whitney 1935-6-9 3210 b Modoc White Horse. Modoc County. Comment
  CAS-BOT-BC242318  Achnatherum occidentale subsp. californicum Bruce Bartholomew 1990-8-5 5669 Modoc Summit Trail, ca. 3 km N of Patterson Ranger Station, W side of Warner Mts. 2440 Comment
  UC1024854  Achnatherum occidentale subsp. occidentale Leo Whitney 1935-6-17 3191 Modoc 2 mi ne, near lava rim Hole-in-the-rock (ca. 18 mi wnw of Canby) Comment
  UC1024941  Achnatherum occidentale subsp. occidentale Leo Whitney 1935-7-3 3331 Modoc 17 mi nw Canby (Badger Wells); Badger Wells Comment
  UC1025001  Achnatherum occidentale subsp. occidentale Leo Whitney 1935-7-11 3458 Modoc 4 mi e Medicine Lake (Glass Mountain); Glass Mountain Comment
  UC1025059  Achnatherum occidentale subsp. pubescens Leo Whitney 1935-7-30 3573 Modoc Devil's Garden Modoc National Forest 1524 Comment
  UC1025067  Achnatherum occidentale subsp. pubescens Leo Whitney 1935-7-25 3549 Modoc near Lava Ranger Station (7 mi ne of Whitehorse) Comment
  UCD32714  Achnatherum thurberianum Beecher Crampton 1954-7-7 2146 Modoc Modoc County, 3 miles west of Cedarville, east side of Cedar Pass, on volcanic slopes. 1097 Comment
  UCD103945  Acmispon americanus var. americanus Louis C. Wheeler 1935-9-4 3947 Modoc McGinty Point, Goose Lake. Comment
  JEPS123844  Acmispon denticulatus Lowell Ahart, John Dittes 2015-7-16 20389 Modoc Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. Comment
  CAS-BOT-BC218316  Actaea rubra K. Paulson; Robert Paulson 1990-7-2 208 Modoc Cave Lake, W side of Warner Mts. 1987 Comment
  UC8856  Actaea rubra Milo S. Baker 1893-8-10 Modoc Comment
  UC29320  Adenocaulon bicolor Milo S. Baker 1893-6 Modoc along heavily timbered stream Comment
  HSC103927  Adonis aestivalis L. Ahart, John Dittes 2011-6-21 17514 Modoc Ash Creek State Wildlife Area; ~2,300 ft. N of Lassen County Line; ~3.6 mi. (air) W of Adin, ~8 mi. (air) NE of Bieber, Big Valley 1268 Comment
  UC412646  Adonis aestivalis Mrs. La Mont June 1930 Modoc 20 mi sw from Alturas Comment
  CAS-BOT-BC179889  Agastache urticifolia Bruce Bartholomew; Barrett Anderson 1990-7-20 5481 Modoc 10.3 km N of Buck Creek Ranger Station, crest of Warner Mountains W side of Warner Mts. 2130 Comment
  CAS-BOT-BC179890  Agastache urticifolia Annie Montague Alexander; L. Kellogg 1946-7-3 4905 Modoc Bidwell Creek Canyon, near Fort Bidwell. 1414 Comment
  HSC14180  Agastache urticifolia M. T. Milligan 1966-7-3 537 Modoc Slopes and ridges E of Jess Valley 1829 Comment
  POM260185  Agastache urticifolia C. L. Hitchcock 1940-5-27 6704 Modoc 15 miles northeast of Alturas. 1616 Comment
  RSA520459  Agastache urticifolia K. Paulson, R. Paulson 1989-7-2 166 Modoc Happy Camp Lookout. 1851 Comment
  JEPS62949  Agastache urticifolia F. H. Frost 1925-7-13 73 Modoc summit of Cedar Canyon; Warner Mountains, summit of Cedar Canyon Comment
  UC450127  Agoseris glauca var. glauca Milo S. Baker 1893-6 Modoc near Egg Lake; ; near Egg Lake, Modoc Co. Comment
  UC748132  Agoseris monticola Annie M. Alexander and Louise Kellogg 1946-7-18 5015 Modoc near Benton Meadow; Warner Mountains 2072 Comment
  CAS-BOT-BC126787  Agoseris parviflora B. Bartholomew 1991-8-5 6051 Modoc Summit Trail between Squaw Peak and [Cottenwood] Cottonwood Lake, crest of the Warner Mts. 2470 Comment
  CAS-BOT-BC242307  Agropyron cristatum M. A. Berry 1957-6-3 s.n. Modoc Warner Mts. 1524 Comment
  UC1137066  Agrostis alba August L. Hormay 1932-7-15 Modoc Crowder Ranger Station Modoc National Forest, Crowder Ranger Station Comment
  CAS-BOT-BC127422  Agrostis exarata B. Bartholomew 1989-8-11 5073 A Modoc Along Lassen Creek near southeast side of Harris Flat, Warner Mountains. 1920 Comment
  JEPS68386  Agrostis exarata L. S. Smith 1917-8-6 132 Modoc Benton Mdws. Warner Mts. Comment
  JEPS68387  Agrostis exarata L. S. Smith 1917-7-27 124 Modoc Joseph Creek Warner Mts. 1584 Comment
  POM229179  Agrostis exarata L. C. Wheeler 1935-8-16 3873 Modoc Warner Mountains: Dismal Swamp, Twenty Mile Creek. 2226 Comment
  UCD32730  Agrostis exarata Beecher Crampton 1954-7-8 2171 Modoc Mococ County, Warner Mountains, 15 miles east of Likely, along road to Jess Valley. 1676 Comment
  UCD52303  Agrostis exarata L. Whitney 1935-6-29 s.n. Modoc edge of Hackamore Reservoir. Comment
  UCD52379  Agrostis exarata L. Whitney 1935-7-21 s.n. Modoc Happy Camp. Comment
  POM203129  Agrostis pallens J. T. Howell 1934-7-3 12377 Modoc 5 miles S of Hackamore Comment
  UCD53170  Agrostis pallens L. Whitney 1935-7-5 s.n. Modoc Hackamore Reservoir. Comment
  UCR67443  Agrostis scabra George K. Helmkamp 1990-9-23 I- 15 Modoc Warner Mtns, Goose Lake, within 0.1 mi of the Oregon border 1476 Comment
  CHSC112045  Agrostis stolonifera Lowell Ahart; John Dittes 2012-7-10 18323 Modoc On dry soil, along the south side of the drainage, northwest of the old homestead, Ash Creek State Wildlife Area, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  CAS-BOT-BC242415  Agrostis variabilis Bruce Bartholomew; Barrett Anderson 1988-7-23 4572 Modoc Dismal Swamp, Warner Mts.. 2180 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
  HSC80912  Agrostis variabilis G. M. Riegel 1980-8-5 988 Modoc S Warner Mountains 2100 Comment
  CAS-BOT-BC190684  Aliciella micromeria Bruce Bartholomew; Barrett Anderson 1989-6-2 4820 Modoc Sand dunes at the SE corder of Upper Alkali Lake, E side of Surprise Valley. 1400 Comment
  RSA531344  Aliciella micromeria Bruce Bartholomew, B. Anderson 1989-6-2 4820 Modoc SE corner of Upper Alkali Lake, E side of Surprise Valley. 1400 Comment
  POM261432  Alisma gramineum Alice Eastwood, J. T. Howell 1940-6-12 8037 Modoc Likely Comment
  UC985643  Alisma plantago-aquatica Verne Grant and Irving Schneider 1947-7-22 8138 Modoc n of Alturas (by State Quarantine Station, Highway 395); North Fork of Pit River 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
  RSA367055  Allium acuminatum George Willet 1935-6-25 s.n. Modoc Likely Mountains. 1982 Comment
  CAS-BOT-BC244997  Allium anceps James D. Jokerst 1983-5-31 1809 A Modoc Near Signal Butte. 1340 Comment
  JEPS79134  Allium campanulatum L. R. Heckard with R. Bacigalupi 1980-6-10 5235 Modoc about 10 mi nw Lookout (along Great Northern Railroad grade) Comment
  JEPS13888  Allium platycaule Rimo Bacigalupi with L. R. Heckard, R. D. Sanderson, and G. Bacigalupi 1952-6-18 3747 Modoc about 200 ft above and s Cedar Pass; Warner Mountains 1981 Comment
  RSA59817  Allium tolmiei E. K. Balls 1950-5-18 14767 Modoc N of Upper Rush Creek Public Camp; 2.5 mi. east from Hwy. 299 1738 Comment
  CAS-BOT-BC244957  Allium tolmiei var. tolmiei D. Toren; Barbara Trowbridge 1975-6-19 5246 Modoc Jess Valley to Blue Lake. 1524 Comment
  JEPS61517  Allium validum L. S. Smith 1919-7-24 1131 Modoc Mineral Spring Warner Mts., Mineral Spring Comment
  HSC8877  Alopecurus aequalis M. T. Milligan 1964-7-25 171 Modoc Pine Creek Basin, along trail. 2439 Comment
  RSA26257  Alopecurus aequalis Alice Eastwood, J. T. Howell 1940-6-12 8088 a Modoc Jess Valley Comment
  CAS-BOT-BC242337  Alopecurus geniculatus James D. Jokerst 1983-7-27 1906 Modoc Near Signal Butte. 1340 Comment
  CHSC99775  Alopecurus geniculatus Lowell Ahart; John Dittes 2008-6-21 14997 Modoc On wet soil in the drying pond, north of the large culvert, east of the large levee, mountain meadow, in Big Valley, about 2.8 miles (air) northeast of the Headquarters at Ash Creek State Wildlife Area, about 5.4 miles (air) northeast of Bieber. 1255 Comment
  SJSU9640  Alopecurus geniculatus W. Savage 1979-7-7 1455 Modoc Triangle, west side of Fairchild Swamp unit, Devils Garden District, Modoc National Forest 1493 Comment
  UC60733  Alopecurus geniculatus M. S. Baker and Frank Nutting 1894-6-25 Modoc Little Hot Spring Valley Comment
  RSA0045633  Alopecurus pratensis Lowell A. Ahart, John Dittes 2008-6-21 14988 Modoc About 10 yards north of a large culvert, on the large levee, in Big Valley, about 2.8 miles (air) north of the Headquarters at Ash Creek State Wildlife Area, about 5.4 miles (air) northeast of Bieber. 1256 Comment
  UC1024962  Alopecurus saccatus Leo Whitney 1935-7-12 3449 Modoc ca. 15 mi. n.w. Canby (Lake Joaquina); Modoc Nat'l Forest, Hackamore, Lake Joaquina 1463 Comment
  HSC42319  Alyssum alyssoides S. Saufferer 1973-5-5 131 Modoc About 7 1/2 mi. S of Pine Creek along Hwy. 395 Comment
  CDA18404  Alyssum minus subsp. micranthum G. D. Barbe, P. Hiatt & M. Keffer 1980-6-4 2805 Modoc Modoc Plateau; Goose Lake Park, eastern shore of Goose Lake, west of New Pine Creek; end of road at lake's shore. 1426 Comment
  CHSC118075  Alyssum simplex L. P. Janeway 2016-5-16 12000 Modoc Modoc Plateau. Devils Garden area; along Road 46N05A (Apple-gate Trail Southern Route) 0.3 km west of Road 46N02; 2.4 air-km east-southeast of Green Tank Reservoir and Green Spring Reservoir. 1569 Comment
  CDA23693  Amaranthus blitoides T. C. Fuller 1958-7-8 1952 Modoc Corporation Ranch, Likely. 0 Comment
  CHSC117243  Amaranthus californicus Lowell Ahart; John Dittes 2016-7-16 21253 Modoc Strand of the second pond, south of Ash Creek Canal (now filled in), south of Ash Creek, Ash Creek State Wildlife Area, 0.79 miles (air) south of County Road 87, 1.75 miles (air) west of Adin, Big Valley. 1273 Comment
  UC1191390  Amaranthus californicus Herbert L. Mason 1947-8-8 13461 Modoc Southwest margin of Big Sage Reservoir, northwest of Alturas. Comment
  UCR142726  Amaranthus californicus L. C. Wheeler 1935-8-18 3891 Modoc Great Basin Province; Modoc Plateau, 2 miles northeast of Alturas 1357 Comment
  RSA210861  Amaranthus powellii R. F. Thorne, J. Henrickson, C. W. Tilforth 1969-9-3 39026 Modoc SE end of Tule Lake Sump 0.5 miles N of turnoff to Lava Beds National Monument, (2.2 miles E of NE entrance to monument) 1265 Comment
  RSA0025585  Amelanchier John F. Emmel 1996-7-15 1433 Modoc Warner Mtns; ridge 1.1-1.5 air mi south and 0.3-0.5 air mi west of Emerson Peak. 2409 Comment
  NY849710  Amelanchier alnifolia var. alnifolia B. M. Bartholomew 1988-6-24 4315 Modoc Road beyond Poison Lake ca. 8 km south of the road from U.S. Highway 395 to Lily Lake, Warner Mountains 2130 Comment
  CAS-BOT-BC217082  Amelanchier utahensis A. D. Borden 1911-5-20 s.n. Modoc Sugar Hill, Modoc Forest Comment
  CAS-BOT-BC217085  Amelanchier utahensis Isabelo T. Kelly 1930-1-1 6 Modoc Fort Bidwell Comment
  CAS-BOT-BC217088  Amelanchier utahensis C. L. Hitchcock 1940-5-27 6701 Modoc 15 mi. NE of Alturas. 1676 Comment
  SBBG27371  Amelanchier utahensis C. L. Hitchcock 1940-5-27 6701 Modoc 15 mi NE of Alturas 1615 Comment
  UC466780  Amelanchier utahensis W. P. Taylor and H. C. Bryant 1910-6-25 Modoc Parker Creek; Warner Mountains 1676 Comment
  CAS-BOT-BC217096  Amelanchier utahensis R. M. Austin 1894-1-1 s.n. Modoc Modoc County. Comment
  UCSB18015  Amelanchier utahensis Haller, John 1962-6-8 Modoc Slopes adjacent to South Fork of the Pit River, near Little Meadows Campground, Likely-Eagleville Road about 8 miles East of Likely, Warner Mountains 1584 Comment
  UCD48753  Amphiscirpus nevadensis Louis C. Wheeler 1935-9-4 3944 Modoc McGinty Point, Goose Lake, Modoc. Co. 1463 Comment
  JEPS126551  Amsinckia menziesii Lowell Ahart, John Dittes 2016-6-6 20942 Modoc About 50 yards southwest of the intersection of County Road 87 and Access Road to Pilot Butte Parking Area, northeast base of Pilot Butte, 3.8 miles (air) east of Lookout, 7.5 miles (air) west of Adin, Ash Creek State Wildlife Area. Comment
  CAS-BOT-BC54162  Amsinckia tessellata var. tessellata Alice Eastwood; John Thomas Howell 1940-6-11 8025 Modoc 8 mi. from Canby on road to Alturas. Comment
  UC1061759  Amsinckia tessellata var. tessellata M. H. Mitchell 1936-5-21 48 Modoc 2 mi se Hospital Rock; Modoc Lava Beds National Monument 1249 Comment
  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
  CHSC10861  Anemone drummondii Robert A. Mele 1972-7-3 33 Modoc West slope circling Patterson Lake in the Warner Wilderness area. Comment
  CAS-BOT-BC15612  Antennaria argentea John Thomas Howell 1934-7-1 12316 Modoc Duncan Horse Camp. 1355 Comment
  CAS-BOT-BC15623  Antennaria dimorpha Mrs. H. C. Cantelow 1941-5-23 3510 Modoc 2 mi. W of Adin summit on Hwy 299, E of Bieber. Comment
  UC29494  Antennaria geyeri Milo S. Baker 1893-6-20 Modoc Sear<?> beds Comment
  CAS-BOT-BC15591  Antennaria luzuloides Mrs. H. C. Cantelow 1940-6-2 3236 Modoc 9.3 mi. N of Canby, Lava Country Comment
  HSC26517  Antennaria luzuloides J. P. Smith, J. O. Sawyer 1972-5-6 5246 Modoc County Rd. 86, just E of Adin. 1098 Comment
  RSA0062305  Antennaria luzuloides Lowell Ahart, John Dittes 2011-6-22 17554 Modoc About 50 yards east of the road, about 100 yards northeast of the Pilot Butte Parking Lot, north edge of Ash Creek Floodplain, 1.1 miles (air) south of County Road 87, 7.7 miles (air) west of Adin, 10 miles (air) east of Lookout, Big Valley. 1264 Comment
  SBBG7569  Antennaria luzuloides H. and M. Dearing 1939-6-9 3635 Modoc near Squaw Peak, Warner Mtns 2133 Comment
  UC585088  Antennaria luzuloides E. B. Babcock, G. L. Stebbins Jr. 1936-6-9 1842 Modoc summit of Cedar Pass; Warner Mts. 1910 Comment
  UCD129020  Antennaria luzuloides J. P. Smith; J. O. Sawyer 1972-5-6 5246 Modoc Road 86 just east of Adin. 1097 Comment
  JEPS126554  Antennaria luzuloides subsp. luzuloides Lowell Ahart, John Dittes 2016-6-6 20949 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
  SEINET475156  Antennaria luzuloides subsp. luzuloides Arnold Tiehm 1984-6-30 Modoc NW side of Bidwell Mt., 2.2 road miles north of 8 mile Creek on the road from Lake Annie Comment
  RSA164329  Antennaria rosea Clare B. Hardham 1961-6-20 7883 -A Modoc Top of Bidwell Road, Road to Dismal Creek 2439 Comment
  CAS-BOT-BC15560  Antennaria rosea subsp. rosea John Thomas Howell 1934-6-11 11967 Modoc Parker Creek. 1584 Comment
  CHSC108010  Apera interrupta Lowell Ahart; John Dittes 2011-6-21 17520 Modoc About 130 yards west of the fence, south edge of the meadow, Ash Creek State Wildlife Area, about 2,300 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  JEPS120133  Apera interrupta Lowell Ahart, John Dittes 2012-7-10 18324 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
  CHSC12925  Aphyllon purpureum L. Mayer 1974-6-1 Modoc Near Clear Lake Res. Comment
  CHSC85394  Apocynum androsaemifolium John Dittes; Josephine Guardino 1991-8-24 458 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
  HSC65292  Apocynum androsaemifolium J. P. Smith, J. O. Sawyer 1973-8-9 7261 Modoc Blue Lake, Modoc National Forest. 1829 Comment
  UC22906  Apocynum androsaemifolium Baker July, 1893 Modoc Comment
  RSA164334  Apocynum androsaemifolium subsp. pumilum Clare B. Hardham 1961-6-18 7599 Modoc Rte. 395, 3.3 miles south of Cedar Pass turn-off Comment
  RSA84425  Aquilegia formosa F. W. Peirson 1926-6-25 6879 Modoc small side canyon on Cedarville road 1 mile W of summit of Warner Mts. Comment
  UC748478  Aquilegia formosa Annie M. Alexander and Louise Kellogg 1946-7-24 5062 Modoc Bear Camp Flat Warner Mtns (on trail to Emerson Camp) Comment
  POM99712  Aquilegia formosa R. M. Austin 1895-07 437 Modoc Willow Creek (Devils Garden) Comment
Read comments
Jul 11 2010
  JEPS54274  Arabidopsis thaliana Frances D. Payne 1930-3-29 347 Modoc s and e of Alturas (Parker Creek, Warner Mountains); Warner Mountains, Parker Creek 1584 Comment
  CAS-BOT-BC58566  Arabis platysperma var. platysperma Elmer Ivan Applegate 1932-8-3 8117 Modoc High western slope of Warner Mts. N of Eagle Peak. Comment
  RSA271901  Arabis puberula Christopher Davidson 1975-6-4 2605 Modoc 2.2 miles east of Highway 395 on highway 299 towards Cedarville 1494 Comment
  UC118089  Arabis puberula R. M. Austin May 1894 30 Modoc Goose Lake Valley Comment
  JEPS53114  Arabis puberula L. S. Smith 1917-7-2 55 Modoc w slope Warner Mts. 2316 Comment
  UC1078870  Arceuthobium campylopodum Job Kuijt 1957-7-5 1397 Modoc campgrounds, Cedar Pass Warner Mtns Comment
  UC465861  Arceuthobium campylopodum Franklin P. Nutting Aug 1920 Modoc nera Forestdale Big Valley Mtns Comment
  CAS-BOT-BC95648  Arctostaphylos nevadensis Bruce Bartholomew 1995-7-31 7103 Modoc E side of the Warner Mts. near crest and just N of the headwaters of the S fork of Davis Creek. 2320 Comment
  CAS-BOT-BC95652  Arctostaphylos patula Louis Cutter Wheeler 1935-9-16 3987 Modoc Everly Reservoir, Devil's Garden. 1524 Comment
  SEINET11987208  Arctostaphylos patula subsp. platyphylla W. Knight, Knight, I. 1981-1 4110 Modoc on White Horse Rd enroute to Egg Lake from Lookout 1250 Comment
  RSA17681  Arenaria aculeata Elmer I. Applegate 1932-7-9 7600 Modoc North slope of Bidwell Mountain, Warner Mountains Comment
  UC190594  Arenaria aculeata M. F. Gilman 506 Modoc Comment
  RSA611674  Arenaria congesta L. C. Wheeler 1935-8-8 3809 Modoc Warner Mountains: N Fork Bidwell Creek. 2378 Comment
  UC71561  Arenaria congesta var. congesta Mrs. M. H. Manning july 1903 294 Modoc Mt. Bidwell 1828 Comment
  JEPS51415  Arenaria congesta var. congesta L. S. Smith 1917-7-17 82 Modoc Warner Mts.,Grange Mill 1828 Comment
  UC1368463  Arenaria congesta var. subcongesta R. K. Gierisch 1969-7-15 3544 Modoc Comment
  UC852270  Arenaria congesta var. subcongesta C. L. Hitchcock 1940-5-28 6723 Modoc 15 mi n Alturas ((near Surprise)) 1402 Comment
  CAS-BOT-BC242412  Aristida oligantha Louis Cutter Wheeler 1935-9-6 3959 Modoc Fletcher Creek. 1524 Comment
  JEPS123833  Arnica chamissonis Lowell Ahart, John Dittes 2015-7-17 20404 Modoc Ash Creek State Wildlife Area, about 3/4 mile south of County Road B7, about 2.7 miles (air) west of Adin, about 9.1 miles (air) northeast of Bieber. Adin USGS 7.5' Topographic Quadrangle. Comment
  JEPS35869  Arnica chamissonis Frances D. Payne 1931-6-20 204 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 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
  JEPS120508  Arnica cordifolia B. Castro and L. P. Janeway 2012-7-24 1949 Modoc Warner Mountains. Flat ridgetop near Sunshine and Moonlight Mines, along Road 48N21 ca 1 air mi SW of Dismal Swamp. Comment
  POM260005  Arnica cordifolia C. L. Hitchcock 1940-5-27 6702 Modoc 15 miles NE of Alturas. 1677 Comment
  RSA94499  Arnica cordifolia F. W. Peirson 1926-6-25 6876 Modoc small side canyon on Cedarville road 1 mile W of summit of Warner Mts. Comment
  UC29602  Arnica cordifolia Milo S. Baker 1893-6 Modoc Comment
  HSC46305  Arnica mollis J. P. Smith, J. O. Sawyer 1973-8-8 7217 Modoc Near summit of Eagle Peak 2988 Comment
  RSA606144  Arnica mollis L. C. Wheeler 1935-8-14 3855 Modoc Lily Lake, Pine Creek, Warner Mts. 2134 Comment
  SEINET6775094 Image available Arnica mollis D. A. Charlet 1989-8-14 476 Modoc Warner Mountains, 1.4 km northwest of Eagle Peak, at spring 2550 Comment
  SEINET6775097 Image available Arnica mollis A. M. Alexander, L. Kellogg 1946-7-29 5080 Modoc Southern slope of Eagle Peak, Warner Mountains Comment
  SEINET6775129 Image available Arnica mollis M. J. Williams 1984-7-1 84- 87 -6 Modoc Northwest of Alturas, Crowder Flat Rd., near Big Sage Reservoir 1372 Comment
  CAS-BOT-BC15298  Arnica sororia Annie Montague Alexander; L. Kellogg 1946-6-14 4748 Modoc 0.25 mi. on branch of Silver Creek, Patterson Mill Road. 1828 Comment
  CAS-BOT-BC15300  Arnica sororia John H. Hatton 1911-6-23 156 Modoc Modoc County. 1706 Comment
  CAS-BOT-BC242407  Arrhenatherum elatius Ernest Christian Twisselmann 1961-9-22 6577 Modoc Warner Mountains: ridge at the SE end of Long Valley 2042 Comment
  CHSC65617  Artemisia arbuscula J. Ingraham 1995-4-10 1 Modoc 1 mi N of Davis Creek on Hwy. 395, 300 yds E of the junction of Co. Rd. 133B and Hwy 395, 100 yds E off Co. Rd. 133B. 1487 Comment
  RSA0049590  Artemisia arbuscula Dean Wm. Taylor 2013-9-6 21417 Modoc 1 mile South of Whalen Spring (ca. 15 air miles N of Bieber on Highway 299) 1328 Comment
  HSC67875  Artemisia arbuscula subsp. arbuscula J. P. Smith, J. O. Sawyer 1973-8-8 7248 Modoc S slopes of Eagle Peak 2561 Comment
  CHSC106183  Artemisia douglasiana Lowell Ahart; John Dittes 2010-8-31 17098 Modoc East side of Elkins Lane, about 10 yards south of the bridge across Ash Creek, Ash Creek State Wildlife Area, 4215 feet north of Lassen County Line, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  CAS-BOT-BC497198  Artemisia douglasiana John H. Hatton 1911-6-22 139 Modoc Modoc Forest Comment
  JEPS108112  Artemisia ludoviciana subsp. candicans Anthony B. Walters 2005-9-28 Modoc Brokenera Ranch 1 mi S of New Pine Creek on E side of Hwy 395, near pond on W base of Warner Mountains. Comment
  CHSC111998  Artemisia ludoviciana subsp. incompta B. Castro; L. P. Janeway 2008-8-17 1747 Modoc Warner Mountains. North slope of Bald Mountain; at base, ca 280 ft S of USFS Rd 44N30 in eastern branches of upper S. Fork Mill Creek. 2267 Comment
  UC1776690  Artemisia ludoviciana subsp. incompta G. Schoolcraft 1999-7-13 2865 Modoc Lower slopes of Warner Mountains 3 miles N of Eagleville, CA 1463 Comment
  UC932084  Artemisia ludoviciana subsp. incompta Verne Grant and Alva Grant 1947-7-8 8005 Modoc Cedar Pass Warner Mountains, Cedar Pass Comment
  JEPS37031  Artemisia ludoviciana subsp. incompta L. S. Smith 1918-8-12 1032 Modoc Camp One 2499 Comment
  UCD129331  Artemisia ludoviciana subsp. incompta K. L. Chambers; Ron Tyrl 1965-9-22 2432 Modoc Cedar Pass, Warner Mountains. Northern portion of the state. 1920 Comment
  CHSC106347  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
  JEPS90448  Artemisia michauxiana Dean Wm. Taylor with Glenn Clifton 1989-8-5 10442 Modoc cirque headwall above South Emerson Lake; Warner Mountains, Emerson Creek drainage 2560 Comment
  UC217079  Artemisia nova H. M. Hall 1921-9-10 11672 Modoc 24 mi s Alturas Comment
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Jul 23 2013
  CAS-BOT-BC15208  Artemisia tridentata subsp. tridentata Ethel S. Willits 1939-10-10 161 Modoc Surprise Valley. 1371 Comment
  CHSC113987  Artemisia tridentata subsp. tridentata L. P. Janeway 2014-7-7 11448 Modoc Great Basin. Northwest edge of plateau overlooking Cow Head Lake; halfway between Cow Head Lake and Big Mud Lake; along an obscure dirt road 1.0 km north-northwest of Barrel Springs Road. 1670 Comment
  CHSC67336  Artemisia tridentata subsp. tridentata James D. Jokerst 1986-9-18 2770 Modoc Radar Site Survey S of Doublehead Mtn., dry lake ca 1.5 mi S of Doublehead Mtn. 1386 Comment
  HSC65598  Asclepias cordifolia Thomas Wood 1979-8-9 232 Modoc Dirt road along Bidwell Creek, 2.7 mi. NW of jct. with Co. Hwy. 2. N of Fort Bidwell 1555 Comment
  RSA503236  Asclepias cordifolia Bruce Bartholomew, B. Anderson 1988-7-21 4463 Modoc Vincinity of Patterson Campground, southern end of Warner Mountains. 2190 Comment
  UC22986  Asclepias fascicularis Milo S. Baker 1893-7-25 Modoc Egg Lake Comment
  JEPS49947  Asclepias fascicularis L. S. Smith 1918-8-13 1034 Modoc below Lost Lake; Modoc National Forest 1524 Comment
  POM76170  Asclepias fascicularis Mrs. R. M. Austin s.n. Modoc Goose Lake Valley Comment
  RSA263865  Aster ascendens C. W. Tilforth, Dorothy Tilforth 1975-03 1150 Modoc C. 5 miles NW of Bishop, Hiway 395, along Owens River 2134 Comment
  JEPS124306  Astragalus Lowell Ahart, John Dittes 2015-7-15 20342 Modoc Ash Creek State Wildlife Area about 3.9 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber Big Valley. Comment
  JEPS86084  Astragalus Wayne Roderick 1966-7-23 Modoc Warner Mountains 2133 Comment
  NY803532  Astragalus curvicarpus var. curvicarpus M. J. Williams 1984-6-29 84- 74 --1 Modoc 4.8 miles in on Fandango Pass road from Highway 395 1524 Comment
  CHSC118327  Astragalus filipes L. P. Janeway 2016-5-18 12055 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
  NY658497  Astragalus filipes B. J. Ertter 1988-6-18 7619 Modoc Hwy. 139 ca. 50 airmiles SW of Klamath Falls, a few miles N of Agricultural Inspection Station, 1 mile S of S jct. to Lava Beds Nat'l Monument E of Tonesta 1310.6 Comment
  NY658508  Astragalus filipes W. P. Taylor 1910-6-10 s.n. Modoc Warner Mts.,among sage, on South Fork Pitt River, Alturas 1402.1 Comment
  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
  UC13402  Astragalus lentiginosus var. lentiginosus Milo S. Baker 1893-6-2 Modoc Comment
  CAS-BOT-BC182024  Astragalus purshii J. F. Emmel 1968-7-16 84 Modoc NW slope of Mt. Bidwell, Warner Mts. Comment
  JEPS54810  Astragalus purshii var. lagopinus L. S. Smith 1917-6-15 47 Modoc Jess Valley; Warner Mts., Jess Valley 1524 Comment
  NY694436  Astragalus purshii var. tinctus B. M. Bartholomew 1988-5-13 4170 Modoc Ca. 1 km southeast of Parker Creek Road on West Warner Road, west side of the Warner Mountains 1710 Comment
  RSA60235  Astragalus purshii var. tinctus E. K. Balls 1950-5-13 14662 Modoc Goose Lake, east shore about Willow Ranch. Comment
  UC13463  Astragalus purshii var. tinctus Mrs. R. M. Austin June, 1894 252 Modoc hills near Willow Creek; near Willow Creek Comment
  UC71811  Astragalus purshii var. tinctus Mrs. M. H. Manning 1903-5 97 Modoc near Fort Bidwell (north-eastern Modoc County); near Fort Bidwell Comment
  UC397280  Astragalus purshii var. tinctus Mrs. M. H. Manning May 1907 715 Modoc e side Warner Range Comment
  UC13468  Astragalus speirocarpus Mrs. R. M. Austin and Bruce June 1898 2212 Modoc Comment
  RSA59491  Astragalus whitneyi E. K. Balls 1950-5-18 14 .741 Modoc 1 mi. S.W. of Canby Bridge on Hwy. 299. 1341 Comment
  RSA160020  Astragalus whitneyi var. confusus Clare B. Hardham 1961-6-18 7559 Modoc Cedar Pass. 1829 Comment
  UC748312  Astragalus whitneyi var. confusus Annie M. Alexander and Louise Kellogg 1946-7-23 5043 Modoc near summit e slope Emerson Peak (Warner Mountains); , e slope Emerson Peak Comment
  NY696559  Astragalus whitneyi var. confusus J. M. Gillett 1964-6-8 12634 Modoc 2 miles south of Likely Comment
  CAS-BOT-BC181994  Astragalus whitneyi var. lenophyllus Roxana Stinchfield Ferris; R. Duthie 1919-6-13 61 Modoc Above Parker Creek, near Modoc Nat. Forest Boundary. Comment
  CAS-BOT-BC30203  Athyrium filix-femina subsp. cyclosorum Bruce Bartholomew 1995-7-31 7119 Modoc Upper reaches of Sassen Creek, W side of the Warner Mountains. 1900 Comment
  UC118039  Athysanus pusillus Mrs. R. M. Austin June 1894 Modoc Willow Creek Comment
  UC10230  Athysanus pusillus Mrs. R. M. Austin june, 1894 Modoc Comment
  CAS-BOT-BC95505  Atriplex confertifolia Bruce Bartholomew 1989-8-11 5079 Modoc E side of Surprise Valley at Nevada border on State Hwy 299. 1500 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
  RSA97506  Atriplex confertifolia Beecher Crampton 1954-7-7 2152 Modoc 7 miles E of Cedarville. Comment
  JEPS117249  Atriplex patula var. obtusa Lowell Ahart, John Dittes 2010-8-31 17112 Modoc About 10 yards west of Elkins Lane, about 150 yards north of the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley 1274 Comment
  CAS-BOT-BC95509  Atriplex rosea Mary DeDecker 1974-10-28 3710 Modoc Just S of Alturas along Highway 395. Comment
  CHSC112823  Atriplex rosea Lowell Ahart; John Dittes 2013-7-25 18956 Modoc Along the north-south fence, south edge of Ash Creek Floodplain, northwest of Patterson Homestead, east of Elkins Lane, 1.0 mile (air) south of County Road 87, 3.14 miles (air) west of Adin, Big Valley. 1267 Comment
  JEPS121188  Atriplex rosea Lowell Ahart, John Dittes 2013-7-25 18956 Modoc Along the N-S fence, S edge of Ash Creek floodplain, NW 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
  UC1024847  Avena fatua Leo Whitney 1935-6-9 3202 Modoc near White Horse; White Horse lake (Flat) Comment
  POM119140  Azolla filiculoides C. C. Bruce 1897-10-15 2114 Modoc Pitt River Comment
  CAS-BOT-BC15144  Balsamorhiza X terebinthacea Bruce Bartholomew; Barrett Anderson 1988-5-14 4195 Modoc 1.3 km S of turn off to Crowder Flats West Side Road, W side of Goose Lake. 1410 Comment
  CHSC117881  Balsamorhiza hookeri L. P. Janeway 2016-5-16 11992 Modoc Modoc Plateau. Devils Garden area; along Road 47N07 1.8 road-km south of Road 181/73/47N09. 1573 Comment
  CHSC67160  Balsamorhiza hookeri James D. Jokerst 1994-5-20 4062 Modoc Near Hog Reservoir N of Canby, N of Hwy. 139, N of railroad, E of gravel road to Hog Lake. Comment
  HSC26490  Balsamorhiza hookeri J. P. Smith, J. O. Sawyer 1972-5-6 5251 Modoc County Rd. 86, just E of Adin. 1098 Comment
  HSC5174  Balsamorhiza hookeri M. T. Milligan 1964-5-9 33 Modoc 4 mi. N of Hwy. 139 on USFS Rd. 44N15 1524 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
  RSA26446  Balsamorhiza hookeri var. lagocephala Alice Eastwood, John Thomas Howell 1940-6-12 8079 Modoc Jess Valley Comment
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Oct 8 2007
  RSA488039  Balsamorhiza hookeri var. lagocephala Bruce Bartholomew, B. Anderson 1988-5-12 4130 Modoc 13 km NNE of Adin on State Highway 229 at turnoff to Higgins Flat on USFS road 41N11. 1440 Comment
  CAS-BOT-BC15180  Balsamorhiza hookeri var. lanata R. M. Austin; C. C. (Mrs.) Bruce 1898-7-1 2179 Modoc unspecified Comment
  CAS-BOT-BC15183  Balsamorhiza hookeri var. lanata Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-11 6483 Modoc 5.6 km N of State Hwy 299 on Crowder Flat Road. 1580 Comment
  CAS-BOT-BC15186  Balsamorhiza hookeri var. lanata Francis Dorris Payne 1929-6-23 20 Modoc Parker Creek. 1584 Comment
  CAS-BOT-BC15193  Balsamorhiza hookeri var. lanata Ellsworth Bethel 1923-4-26 s.n. Modoc Lookout. Comment
  CHSC117885  Balsamorhiza sagittata L. P. Janeway 2016-5-18 12060 Modoc Modoc Plateau. Northeast corner of the Devils Garden area; along Road 47N37 0.6 km north of Road 73/181/47N09. 1626 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-BC499171  Balsamorhiza serrata B. Bartholomew 1991-5-24 5726 Modoc 1.3 km NE of road between Fort Bidwell and Fee Reservoir on road to Big Mud Lake 1580 Comment
  CAS-BOT-BC58626  Barbarea orthoceras Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10575 Modoc Patterson Ranger Station (East Creek drainage). 2164 Comment
  HSC26659  Barbarea orthoceras D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-22 19350 Modoc Soup Springs Campground Comment
  JEPS53242  Barbarea orthoceras Frances D. Payne 1931-6-22 237 Modoc s and e of Alturas (Dry Creek, tributary of Parker Creek); Warner Mountains, Parker Creek, Dry Creek 1828 Comment
  UC748375  Barbarea orthoceras Annie M. Alexander and Louise Kellogg 1946-7-17 5009 Modoc Benton Meadow; Warner Mountains 2072 Comment
  CAS-BOT-BC95511  Bassia hyssopifolia Bruce Bartholomew; Barrett Anderson 1990-7-21 5551 Modoc W edge of Middle Alkali Lake, directly E of Cedarville, Surprise Valley. 1370 Comment
  CHSC100116  Bassia hyssopifolia L. P. Janeway; B. Castro 2008-8-16 9547 Modoc Modoc Plateau. Surprise Valley; east side of Middle Alkali Lake, south side of Hwy 299 10.5 km east of Cedarville. 1378 Comment
  JEPS117917  Bassia hyssopifolia L. P. Janeway, B. Castro 2008-8-16 9547 Modoc Surprise Valley Modoc Plateau (east side of Middle Alkali Lake, south side of Hwy 299 10.5 km east of Cedarville) 1378 Comment
  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
  POM313190  Beckmannia syzigachne H. L. Mason 1947-7-11 13367 Modoc Irrigation ditch by Jones Lane, off Highway 395, south of Alturas Comment
  RSA210784  Beckmannia syzigachne R. F. Thorne, C. W. Tilforth 1969-9-4 39057 Modoc 2 mi W of Davis Creek (town), S. of Goose Lake 1433 Comment
  UC70671  Beckmannia syzigachne Mrs. M. H. Manning 1903-6-1 408 Modoc north-eastern Modoc County Comment
  CAS-BOT-BC54222  Berberis aquifolium var. repens John Thomas Howell 1934-6-11 11981 Modoc Parker Creek, Warner Mts. 1584 Comment
  HSC65327  Berberis aquifolium var. repens J. P. Smith, J. O. Sawyer 1973-8-9 7264 Modoc Blue Lake, Modoc National Forest. 1829 Comment
  OBI20535  Berberis aquifolium var. repens H. E. McMinn 1931-5-23 2445 Modoc Fandango Pass, Warner Mts. Comment
  UC1192265  Bergia texana Herbert L. Mason 1947-8-8 13462 Modoc Southwest margin of Big Sage Reservior, northwest of Alturas Comment
  CAS-BOT-BC498654  Betula pumila L. S. Smith 1917-7-29 127 Modoc Modoc Forest: Bald Mt. 2346 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
  CAS-BOT-BC15147  Bidens cernua var. cernua Herbert Louis Mason; Verne Grant 1947-7-12 13431 Modoc South loop of west side road, north of Likely Comment
  CAS-BOT-BC15150  Bidens laevis Doris K. Kildale 1926-9-11 2770 A Modoc Alturas. 1371 Comment
  CHSC117820  Bistorta bistortoides L. P. Janeway 2016-5-18 12065 Modoc Modoc Plateau. Devils Garden area; Island Meadow, along Road 47N08 2.1 road-km north of Road 73/181/47N09. 1606 Comment
  CAS-BOT-BC15088  Blepharipappus scaber M. M. Hanna 1956-6-4 953 Modoc Alturas-Cedarville highway. Comment
  CAS-BOT-BC15103  Blepharipappus scaber R. K. Gierisch; D. H. Esplin 1969-7-15 3541 Modoc Modoc National Forest 1524 Comment
  HSC5821  Blepharipappus scaber M. T. Milligan 1964-6-6 3 Modoc N side of Dorris Reservoir along shore 1372 Comment
  UC912529  Blepharipappus scaber F. H. Frost 1925-7-20 93 Modoc 2 mi above;, Cedar Camp Cedarville; Warner Mts., Cedar Camp Comment
  CAS-BOT-BC15078  Blepharipappus scaber Louis Cutter Wheeler 1935-8-1 3725 Modoc Pine Creek, Warner Mts. 1767 Comment
  JEPS5985  Blepharipappus scaber Frances D. Payne 1931-6-11 146 Modoc s and e of Alturas (Parker Creek, Warner Mountains); Warner Mountains, Parker Creek 1584 Comment
  SEINET7379327 Image available Blepharipappus scaber M. J. Williams, A. Tiehm, J. Nachlinger 1988-6-2 88- 28 -4 Modoc Jess Valley, E of Likely, S of roadside rest. Comment
  UC71684  Blepharipappus scaber Mrs. M. H. Manning 1904-8-22 300 Modoc Warner Range 1981 Comment
  CHSC118073  Boechera pauciflora L. P. Janeway 2016-5-17 12019 Modoc Modoc Plateau. Devils Garden area; flat just below (west of) Por-cupine Rim; 0.3 km north of Road 43N18; 4.0 air-km west of Big Sage Reservoir. 1544 Comment
  CAS-BOT-BC100299  Boechera puberula John Thomas Howell 1934-6-12 12017 Modoc Between Davis Creek and Plum Valley. Comment
  UCD150423  Boechera puberula Harry A. George 1967-6-15 s.n. Modoc S. of Adin. Comment
  CAS-BOT-BC25381  Boechera retrofracta B. Bartholomew 1992-5-17 6347 Modoc Southwest side of White Horse Mountains, southwest of White Horse Flat Reservoir. 1330 Comment
  CHSC67092  Boechera retrofracta James D. Jokerst 1987-5-12 2846 Modoc Radar Survey Site S of Doublehead Mtn., N end of central sector, NE of road. Comment
  UC748378  Boechera retrofracta Annie M. Alexander and Louise Kellogg 1946-6-27 4848 Modoc 2 mi by road from Dismal Swamp (Highgrade, n end of Warner Mountains); Warner Mountains, Highgrade 2377 Comment
  CAS-BOT-BC25535  Boechera retrofracta B. Bartholomew 1990-6-18 5361 Modoc 1.6 mile south of Davis Creek on Highway 395. 1450 Comment
  CAS-BOT-BC25698  Boechera sparsiflora B. Bartholomew 1991-5-25 5765 Modoc 8 km east of Likely on road to Jess Valley, north side of road along north side of South Fork of Pit River. 1460 Comment
  CAS-BOT-BC410945  Boechera sparsiflora Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-11 6499 Modoc W side of Timber Mountain on Crowder Flat Road. 1680 Comment
  OBI7983  Boechera sparsiflora Rhonda Riggins 1989-4-28 1656 Modoc Pencil Rd 4.1 mi N of hwy 395 E of Alturas. T43N R12E, sec 24 Comment
  POM46123  Boisduvalia macrantha R. M. Austin 1895-07 426 Modoc Davis Creek Comment
  RSA166312  Boisduvalia stricta D. M. Moore 1960-6-4 121 Modoc 7.4 mi. W of Adin on road to Lookout. Comment
  CHSC38984  Brodiaea coronaria J. D. Jokerst 1983-7-12 1838 Modoc Just south of the junction of Hwy 139 and Loveness Rd. 1478 Comment
  CAS-BOT-BC244947  Brodiaea coronaria subsp. coronaria Bruce Bartholomew 1989-7-14 4945 Modoc ca. 8 km NE of Egg Lake and 2.5 km E of Survice Gulch. 1340 Comment
  JEPS19748  Brodiaea coronaria subsp. coronaria Rimo Bacigalupi with S. Galen Smith 1957-6-27 5980 Modoc along State Hwy 139 about 9 mi nw Canby (above edges of former extensive vernal pool along hwy) 1584 Comment
  UC3321  Brodiaea coronaria subsp. coronaria Milo S. Baker 1893-7-10 Modoc Comment
  POM364017  Bromus briziformis Christopher Davidson 1975-6-4 2602 Modoc 0.4 mi E of Hwy 395 on Hwy 299 toward Cedarville.Fenced pasture on S side of rd. 1380 Comment
  UCSB29269  Bromus briziformis Hardham, Clare 1961-6-18 Modoc Cedar Pass Comment
  CAS-BOT-BC242437  Bromus carinatus var. carinatus Leland S. Smith 1922-7-20 1272 Modoc Rush Creek Ranger Station. 2133 Comment
  CAS-BOT-BC242474  Bromus carinatus var. carinatus John H. Hatton 1911-6-15 107 Modoc unspecified Comment
  UC1024888  Bromus carinatus var. carinatus Leo Whitney 1935-5-29 3130 Modoc 18 mi wnw of Canby (Hole-in-the-rock); Hole-in-the-rock Comment
  CAS-BOT-BC242467  Bromus inermis M. A. Berry 1957-6-30 s.n. Modoc Warner Mts. 1524 Comment
  HSC93546  Bromus inermis G. Fred Hrusa, T. D. Wilfred 1996-7-21 13310 Modoc Along Pit River at Rd. 90 bridge, E base of Splawn Mtn., N end of Big Valley 1500 Comment
  SJSU9568  Bromus japonicus Wayne Savage 1979-7-3 1310 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  SEINET3922999  Bromus japonicus Leo Whitney 1935-6-30 3351 Modoc Spaulding's Butte, 16 miles west-northwest of Canby.; 0 Comment
  HSC9255  Bromus orcuttianus M. T. Milligan 1966-7-29 605 Modoc West slope of Eagle Peak 1921 Comment
  UC1024707  Bromus racemosus Leo Whitney 1934-5-13 2137 Modoc Weed Valley 1524 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
  CHSC30520  Bromus tectorum Sandra C. Morey 1980-4-26 73 Modoc Hwy. 299, ca. 3.7 mi. n of jctn. with Hwy 139 at Adin. 1280 Comment
  HSC9400  Calamagrostis canadensis var. langsdorffii M. T. Milligan 1967-7-9 671 Modoc E of Jess Valley 1768 Comment
  JEPS39845  Calocedrus decurrens L. S. Smith Sept. 1919 1059 Modoc along road e of Alturas; Parker Creek 1828 Comment
  CAS-BOT-BC244934  Calochortus leichtlinii Bruce Bartholomew 1991-8-5 6028 Modoc Summit Trail between Pepperdine and Squaw Peak, W side of Warner Mts. 2190 Comment
  CAS-BOT-BC242138  Calochortus macrocarpus K. Paulson; Robert Paulson 1988-7-13 79 Modoc Jess Valley Rd., 3 mi. E of Likely. 1371 Comment
  CAS-BOT-BC242149  Calochortus macrocarpus Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10517 Modoc Patterson Ranger Stateon (East Creek drainage). 2164 Comment
  UC711808  Calochortus macrocarpus Roxana S. Ferris and Laura Lorraine 1941-8-14 10609 Modoc on road between Fort Bidwell and Pine Creek; Warner Mountains, Modoc National Forest, Summit of Fandango 1889 Comment
  NY485968  Caltha leptosepala R. M. Austin s.n. Modoc Lassen Creek Comment
  HSC64521  Calyptridium umbellatum J. P. Smith, J. O. Sawyer 1973-8-8 7226 Modoc Near summit of Eagle Peak 2988 Comment
  UC635439  Calyptridium umbellatum F. H. Frost 1925-7-25 164 Modoc Eagle Peak; Warner Mountains, Eagle Peak Comment
  JEPS52550  Calyptridium umbellatum Frances D. Payne 1929-7-26 Modoc Warren Peak; Warner Mountains, Warren Peak Comment
  CAS-BOT-BC95584  Calystegia occidentalis subsp. occidentalis Alice Eastwood; John Thomas Howell 1940-6-12 8072 Modoc Between Likely and Jess Valley. Comment
  CAS-BOT-BC95585  Calystegia occidentalis subsp. occidentalis Bruce Bartholomew 1989-7-14 4954 Modoc ca. 6.5 km NE of Egg Lake and 0.8 km E of Survice Gulch. 1340 Comment
  UC449950  Calystegia occidentalis subsp. occidentalis Milo S. Baker 1887-1 Modoc Forestdale Comment
  CAS-BOT-BC242126  Camassia quamash subsp. breviflora Elmer Ivan Applegate 1929-6-24 5897 Modoc Davis Creek. Comment
  CAS-BOT-BC242132  Camassia quamash subsp. breviflora K. Paulson; Robert Paulson 1988-5-22 2 Modoc Boles Creek, Devil's Garden. 1402 Comment
  UC1191233  Camassia quamash subsp. breviflora Malcolm A. Nobs, S. Galen Smith 1949-5-29 773 Modoc 1 mi e of Lake City Comment
  CAS-BOT-BC242135  Camassia quamash subsp. breviflora M. M. Hanna 1956-6-7 1021 Modoc Hwy 139 near Canby. Comment
  RSA59515  Camassia quamash subsp. breviflora E. K. Balls 1950-5-13 14660 Modoc 5 miles north of Bucks Creek, Highway 395, east of Goose Lake 1677 Comment
  JEPS61553  Camassia quamash subsp. quamash Milo S. Baker Jun 21 1893-Jul 21 1893 Modoc Modoc County Comment
  CHSC112405  Camelina microcarpa Lowell Ahart; John Dittes, Todd Sloat 2013-6-8 18757 Modoc On the north side of levee, about 100 yards north of the Parking Area, northwest of the old barn, Ash Creek State Wildlife Area, about 3.9 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  CAS-BOT-BC191137  Camissonia andina Bruce Bartholomew 1990-6-18 5386 Modoc Turner Creek at County Rd 90, N end of Big Valley, 6.4 km N of Lassen County border. 1230 Comment
  NY850415  Camissonia andina A. A. Heller 1941-6-25 16198 Modoc On the Cedarville road a short distance east of the junction with U.S. Highway #395 Comment
  CAS-BOT-BC191118  Camissonia boothii subsp. alyssoides Bruce Bartholomew 1991-5-24 5709 Modoc Surprise Valley, E of Eagleville at the Nevada State boundary. 1520 Comment
  NY850969  Camissonia boothii subsp. alyssoides B. M. Bartholomew 1993-5-10 6451 Modoc At the Nevada border directly east of Eagleville, east side of Surprise Valley 1520 Comment
  RSA520429  Camissonia boothii subsp. alyssoides Bruce Bartholomew, B. Anderson 1989-6-2 4812 Modoc SE corder of Upper Alkali Lake, E side of Surprise Valley. 1400 Comment
  CAS-BOT-BC191115  Camissonia claviformis subsp. cruciformis Bruce Bartholomew 1991-6-22 5852 Modoc E side of Surprise Valley, 8.3 km E of Eagleville. 1430 Comment
  CAS-BOT-BC191112  Camissonia contorta Bruce Bartholomew 1994-5-29 6740 Modoc 7.4 km W of County Road 91 on road to Egg Lake, between Lookout and Lookout Jct. 1260 Comment
  UC1368464  Camissonia contorta R. K. Gierisch 1969-7-15 3543 Modoc Modoc <National> Forest Comment
  CAS-BOT-BC191107  Camissonia minor Bruce Bartholomew 1993-6-13 6623 Modoc Near Fortynine Creek, E of Cedarville on E side of Surprise Valley. 1400 Comment
  POM211894  Camissonia tanacetifolia J. T. Howell 1934-6-12 12000 Modoc 6 miles S of Davis Creek. Comment
  HSC16516  Camissonia tanacetifolia M. T. Milligan 1964-4-25 Modoc S end of Lower Cummings Reservoir, along base of dam Comment
  CAS-BOT-BC191078  Camissonia tanacetifolia subsp. tanacetifolia John Thomas Howell 1934-6-15 12196 Modoc Dorris Reservoir. Comment
  CAS-BOT-BC191086  Camissonia tanacetifolia subsp. tanacetifolia Barrett Anderson 1986-7-10 3207 Modoc West Warner Rd along Bear Flat. 1845 Comment
  CAS-BOT-BC191092  Camissonia tanacetifolia subsp. tanacetifolia John Thomas Howell 1934-6-12 12000 Modoc 6 mi. S of Davis Creek. Comment
  CAS-BOT-BC191095  Camissonia tanacetifolia subsp. tanacetifolia Annie Montague Alexander; L. Kellogg 1946-6-10 4710 Modoc Snake Lake. Comment
  POM204166  Camissonia tanacetifolia subsp. tanacetifolia J. T. Howell 1934-6-15 12196 Modoc Dorris Reservoir, 2 miles east of Alturas Comment
  SEINET8039218  Campanula scouleri M. J. Williams 1984-7-1 84- 86 -2 Modoc 3.1 road miles N of Hwy 299 on Crowder Flat Road. 1951 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
  POM95593  Cardamine pensylvanica Mrs. R. M. Austin 1895-06 69 Modoc Goose Lake. Ross Canyon. Comment
  CDA3734  Cardaria pubescens T. C. Fuller 1959-7-8 4714 Modoc Highway 139, chain station, 5.4 miles north of Canby. 0 Comment
  UC1024316  Carex abrupta Annie M. Alexander and Louise Kellogg 1946-6-14 4759 Modoc Patterson Mill road, Silver Creek branch 1828 Comment
  UC1024324  Carex angustata Annie M. Alexander and Louise Kellogg 1946-6-30 4885 Modoc Dismal Swamp, n end of Warner Mountains Warner Mountains, Dismal Swamp 2255 Comment
  CAS-BOT-BC242374  Carex athrostachya Annie Montague Alexander; L. Kellogg 1946-7-18 5023 Modoc Benton Meadow. 2072 Comment
  CHSC109483  Carex athrostachya L. P. Janeway; B. Castro 2012-7-25 10982 Modoc Warner Mountains. Slope along north side of Dismal Swamp. 2216 Comment
  JEPS101038  Carex bolanderi Dean W. Taylor 1989-8-4 10429 Modoc Suprise Valley; between Middle Lake and Lower Lake, ca. 2.5 mi N of Eagleville 1231 Comment
  JEPS91022  Carex disperma Dean W. Taylor 1987-7-27 9118 Modoc Warner Mountains, Deep Creek in a meadow system in the upper creek watershed Deep Creek; Warner Mountains, Deep Creek 2194 Comment
  CAS-BOT-BC242367  Carex filifolia var. erostrata Leland S. Smith 1920-6-2 1160 1/2 Modoc Dismal Swamp. 2042 Comment
  UC1540214  Carex jonesii Dean Wm. Taylor, Glenn L. Clifton 1987-6-27 9116 Modoc headwaters of upper South Deep Creek Warner Mountains, South Deep Creek 2194 Comment
  POM203051  Carex jonesii J. T. Howell 1934-6-14 12165 Modoc Near Lost Lake, Warner Mts. 2439 Comment
  JEPS109542  Carex luzulina Dean Wm. Taylor with Glenn L. Clifton 1989-8-5 10459 Modoc Warner Mountains, northeast face Eagle Peak 2880 Comment
  SEINET7568733 Image available Carex nebrascensis John Thomas Howell 1934-6-15 12190 Modoc Alturas. Comment
  RSA210783  Carex pellita Robert F. Thorne, C. W. Tilforth 1969-9-4 39048 Modoc Along N Fork of Pit River, 11.8 miles N of Alturas along Highway 395. 1372 Comment
  CAS-BOT-BC118322  Carex praegracilis E. K. Balls 1950-5-11 14618 Modoc 8 miles north of Lake City, west shore of Upper Lake. 1402 Comment
  RSA59877  Carex praegracilis E. K. Balls 1950-5-11 14618 Modoc 8 miles N of Lake City, west shore of Upper Lake. 1402 Comment
  SJSU9654  Carex praegracilis W. Savage 1979-7-8 1489 Modoc N end of Fairchild Swamp Unit; Triangle, Devils Garden District, Modoc National Forest 1493 Comment
  CAS-BOT-BC118613  Carex raynoldsii Annie M. Alexander; Louise Kellogg 1946-6-30 4884 Modoc Highgrade, N end Warner Mts. Comment
  JEPS63658  Carex simulata W. L. Jepson 1918-8-10 7936 Modoc Alturas 1371 Comment
  UC1540257  Carex simulata Dean Wm. Taylor, Glenn L. Clifton 1987-6-24 9057 Modoc border of meadow tributary to lakebed Egg Lake 1280 Comment
  UC1024339  Carex straminiformis Annie M. Alexander and Louise Kellogg 1946-7-23 5048 Modoc near summit Emerson Peak; Warner Mountains 2749 Comment
  UC190420  Carex subfusca M. S. Baker and Frank Nutting 1894-6-20 Modoc near White-horse Lake Comment
  CAS-BOT-BC497334  Carex vesicaria var. vesicaria G. Schoolcraft 1996-7-23 2546 Modoc E. of Yankee Jim Ranch, SE of Alturas 1645 Comment
  CAS-BOT-BC242394  Carex whitneyi Elmer Ivan Applegate 1932-7-31 7985 Modoc Mill Creek Meadow. Comment
  SD130393  Carex whitneyi B. Bartholomew, B. Anderson 1988-7-21 4456 Modoc Vicinity of Patterson Campground southern end of the Warner Mountains; Sierran montaine forest on a dry slope. 2190 Comment
  CAS-BOT-BC180128  Castanopsis sempervirens Bruce Bartholomew 1995-7-31 7120 Modoc 0.3 km from Forest Service road 46N30 on Forest Service road 45N34, W side of Warner Mountains. 2250 Comment
  UC444862  Castilleja angustifolia Mrs. M. H. Manning May 1907 719 Modoc e side Warner Range Comment
  CAS-BOT-BC225979  Castilleja applegatei subsp. pinetorum Elmer Ivan Applegate 1929-6-24 5888 Modoc Between Adin and Canby, Pit River Valley. Comment
  CAS-BOT-BC225980  Castilleja applegatei subsp. pinetorum E. S. Willits 1940-5-6 216 Modoc Hillside near Lassen Creek, Willow Ranch. 1371 Comment
  CAS-BOT-BC225981  Castilleja applegatei subsp. pinetorum Bruce Bartholomew; Barrett Anderson 1988-5-14 4196 Modoc 0.8 km W of Goose Lake on USFS road 47N09 to Crowder Flats. 1430 Comment
  CAS-BOT-BC225983  Castilleja applegatei subsp. pinetorum Alice Eastwood; John Thomas Howell 1940-6-12 8107 Modoc W side of Cedar Pass. Comment
  CAS-BOT-BC226000  Castilleja applegatei subsp. pinetorum Margaret J. Williams 1984-6-28 84- 69 -2 Modoc Warner Mountains, N of Cedar Pass, end of Soldier Creek road. 2072 Comment
  CAS-BOT-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
  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
  JEPS17624  Castilleja applegatei subsp. pinetorum Rimo Bacigalupi with G. Thomas Robbins 1955-7-19 5376 Modoc e of and just above Soap Springs Meadow (forest road to Mill Creek Ranger Station, s Warner Mts.); Warner Mts., Modoc National Forest 2118 Comment
  JEPS3814  Castilleja applegatei subsp. pinetorum Annie M. Alexander and Louise Kellogg 1946-6-12 4733 Modoc 2 mi s Fort Bidwell 1444 Comment
  RSA150189  Castilleja applegatei subsp. pinetorum A. J. Cronquist, A. H. Holmgren 1959-6-20 8517 Modoc Benchland west of the Warner Mts. in sagebrush-juniper-Agropyron country 11 miles northeast of Alturas. 1555 Comment
  RSA60360  Castilleja applegatei subsp. pinetorum E. K. Balls 1950-5-10 15967 Modoc 0.5 mi. east of fork of Hwy 395 and Alturas Road. 1585 Comment
  SEINET13978159  Castilleja applegatei subsp. pinetorum M. J. Williams 1983-7-29 83- 116 -9 Modoc Warner Mountains, N of Cedar Pass, 1.1 mi N of Stough Reservoir Campground. 2088 Comment
  UC1713295  Castilleja applegatei subsp. pinetorum Mrs. Austin Jun 1894 Modoc Willow Creek Comment
  UC199384  Castilleja applegatei subsp. pinetorum W. P. Taylor and H. C. Bryant 1910-6-25 Modoc Parker Creek; Warner Mountains 1676 Comment
  UC26532  Castilleja applegatei subsp. pinetorum M. S. Baker and Frank Nutting 1894-6-24 Modoc near Forestdale Comment
  UC71632  Castilleja applegatei subsp. pinetorum Mrs. M. H. Manning 1902-10-11 43 Modoc Warner Mts Warner Mts. (ne Modoc County) Comment
  CHSC109740  Castilleja arachnoidea B. Castro; L. P. Janeway 2012-7-26 1971 Modoc Warner Mountains. Top of Yellow Mountain; topmost part and western edge (at the edge of a steep dropoff to the northwest). 2453 Comment
  UC27293  Castilleja campestris subsp. campestris Milo S. Baker 1893-6 Modoc Adobe bottom Comment
  CAS-BOT-BC226029  Castilleja lacera Bruce Bartholomew; Barrett Anderson 1988-6-23 4238 Modoc 2.1 km SSE of Day on the road to State Highway 299. 1020 Comment
  CAS-BOT-BC226030  Castilleja lacera Bruce Bartholomew; Barrett Anderson 1988-6-23 4282 Modoc Widow Valley, 18.0 km W of Day on County Road 94. 1230 Comment
  JEPS79129  Castilleja lacera L. R. Heckard with R. Bacigalupi 1980-6-10 5233 Modoc about 10 mi nw Lookout (along Great Northern Railroad grade) Comment
  UC733140  Castilleja linariifolia Elmer I. Applegate 1929-7-28 6082 Modoc n of Clear Lake Comment
  CAS-BOT-BC226046  Castilleja miniata Annie Montague Alexander; L. Kellogg 1946-7-29 5088 Modoc Below divide, head of Eagle Creek. Comment
  UC444892  Castilleja miniata W. P. Taylor and H. C. Bryant 1910-7-13 Modoc Head of North Fork Parker Creek; Warner Mountains 2225 Comment
  UC1191871  Castilleja miniata Herbert L. Mason 1947-7-13 13442 Modoc n of Davis Creek (east side of Goose Lake) (Joseph Creek on Highway 395); Joseph Creek Comment
  CAS-BOT-BC226056  Castilleja pilosa Elmer Ivan Applegate 1932-8-1 8031 Modoc High summit of Warner Mountains S of Warren Peak. Comment
  CAS-BOT-BC226060  Castilleja pilosa Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-13 16470 Modoc Roadside 2.4 mi. S of Davis Creek, SE side of Goose Lake. Comment
  UCR137165  Castilleja pilosa Christopher Davidson 1973-5-26 2125 Modoc c. 4 mi west of Canby on Hwy 299 1341 Comment
  JEPS77521  Castilleja pilosa L. R. Heckard with T. I. Chuang and R. C. Bacigalupi 1978-7-19 4891 Modoc about 3 mi sw Patterson Ranger Station (just n of Lassen County line); Warner Mts. 2011 Comment
  CAS-BOT-BC226076  Castilleja tenuis K. Paulson; Robert Paulson 1989-6-14 136 Modoc Junction of Hwy 299 and Hwy 395 at turn off to Cedar Pass. 1371 Comment
  CAS-BOT-BC226082  Castilleja tenuis Bruce Bartholomew; Barrett Anderson 1989-6-3 4907 Modoc ca. 6 km NW of Egg Lake and ca. 0.8 km E of Service Flat Gulch. 1370 Comment
  CHSC107376  Castilleja tenuis Lowell Ahart; John Dittes 2011-6-22 17559 Modoc On the east side of the road, about 100 yards north of the Pilot Butte Parking Lot, north edge of Ash Creek Floodplain, 1.1 miles (air) south of County Road 87, 7.7 miles (air) west of Aden, 10 miles (air) east of Lookout, Big Valley. 1264 Comment
  RSA0062306  Castilleja tenuis Lowell Ahart, John Dittes 2011-6-22 17559 Modoc On the east side of the road, about 100 yards north of the Pilot Butte Parking Lot, north edge of Ash Creek Floodplain, 1.1 miles (air) south of County Road 87, 7.7 miles (air) west of Adin, 10 miles (air) east of Lookout, Big Valley. 1264 Comment
  UC1520657  Castilleja tenuis Noel H. Holmgren and Patricia K. Holmgren 1980-7-1 9455 Modoc 13 air mi wnw Canby (Calif Hwy 139, 14.2 mi wnw Calif Hwy 139 junction with U.S. Hwy 299) 1463 Comment
  JEPS79138  Castilleja tenuis L. R. Heckard with R. Bacigalupi 1980-6-11 5240 Modoc ca 10 air mi se Alturas (junction of Parker Creek and Shields Creek); junction of Parker Creek and Shields Creek 1737 Comment
  UC1281476  Ceanothus X flexilis H. E. McMinn 1941-8-27 5405 Modoc Egg lake 12-13 mi from Lookout, Egg Lake; Egg Lake Comment
  CAS-BOT-BC48468  Ceanothus cuneatus John H. Hatton 1911-6-16 96 Modoc Stone Coal Road 1371 Comment
  CAS-BOT-BC248335  Ceanothus prostratus B. Bartholomew; H. Sun 2002-6-24 8815 Modoc Ridge top just S of Manzanita Mt. and 15.3 straight line km NW of Aden 2070 Comment
  JEPS42256  Ceanothus prostratus Milo S. Baker 1893-6 Modoc Forestdale Comment
  RSA647819  Ceanothus prostratus William Gilbert 1969-6-30 s.n. Modoc off route 36, out of Susanville, 10 miles from eagle Lake Comment
  SEINET5339372  Ceanothus prostratus E. K. Balls 1950-5-15 14696 Modoc 8.5 miles NW Canby, Hwy. 139 to Klamath Falls. 1402 Comment
  UC449584  Ceanothus velutinus Belknap C. Goldsmith 1911-9-17 39 Modoc Fandango Creek Modoc Nat. For., w slope Warner Mountains, Fandango Creek 1615 Comment
  POM126397  Ceanothus velutinus M. French Gilman 575 Modoc [No location data on label] 1677 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
  RSA767682  Centaurium exaltatum L. Ahart, John Dittes 2010-8-31 17125 Modoc Edge of a pond, about 400 yards west of Elkin s Lane and the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 air miles west of Adin, about 7.7 air miles northeast of Bieber, Big Valley. 1268 Comment
  UC72966  Cercocarpus betuloides var. macrourus Milo S. Baker July 1898 533 Modoc Forestdale Comment
  RSA11803  Cercocarpus ledifolius Elmer I. Applegate 1932-8-1 8055 Modoc Warner Mtns, near summit S of Warner Peak. Comment
  NY848757  Cercocarpus ledifolius var. intermontanus R. M. Austin 08 1894 s.n. Modoc Lassen Creek Comment
  CAS-BOT-BC197528  Cercocarpus ledifolius var. ledifolius Frederick H. Frost 1925-7-11 31 Modoc Cedar Canyon, 2 mi. above Cedarville, Warner Mts. 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
  CHSC65830  Cercocarpus ledifolius var. ledifolius J. Ingraham 1995-4-16 16 Modoc 12 mi NW of Davis Creek on Goose Lake Rd. E 1/4 of Goose Lake. 1447 Comment
  UC1127899  Cercocarpus ledifolius var. ledifolius R. C. Wilson 1933-7-16 63 Modoc Rush Creek, Modoc National Forest Rush Creek; Modoc National Forest, Rush Creek 1447 Comment
  CAS-BOT-BC15058  Chaenactis douglasii var. douglasii Leland S. Smith 1918-7-7 977 Modoc Jess Valley, Modoc National Forest 1828 Comment
  HSC81051  Chaenactis douglasii var. douglasii G. M. Riegel 1980-7-18 909 Modoc South Warner Mountains 1739 Comment
  UC30989  Chaenactis douglasii var. douglasii Mrs. R. M. Austin 1894-8-1 Modoc Goose Lake Valley Comment
  HSC42423  Chamaebatiaria millefolium Barbara Kelly 1977-7-24 544 Modoc Lava Beds National Monument at Fleener Chimneys Comment
  UC1037213  Chamaebatiaria millefolium Leo Whitney 1934-6-5 1579 Modoc Modoc National Forest, Quaking Asp Modoc National Forest; , Quaking Asp 1219 Comment
  JEPS5988  Chamaesaracha nana Frances D. Payne 1931-6-25 271 Modoc 2 mi sw Warren Peak (Middle Fork of Pine Creek); Warner Mts., Pine Creek Basin 2133 Comment
  UC449976  Chamaesaracha nana M. F. Gilman 638 Modoc 1676 Comment
  UCD77523  Chamaesyce glyptosperma Robert E. Preston 2000-7-17 1389 Modoc Ca. 11 mi nw of Canby, on n side of Hwy 139, 2.5 mi e of Forest Service Rd 44N11, T42N R8E ne 1/4 Section 3 1490 Comment
  CDA34731  Chamaesyce serpillifolia subsp. serpillifolia L. Ahart, John Dittes 2010-8-3 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 miles (air) northeast of Bieber, Big Valley. Comment
  CHSC106186  Chamaesyce serpillifolia subsp. serpillifolia Lowell Ahart; John Dittes 2010-8-31 17116 Modoc In the parking area on the east side of Elkins Lane, northeast of the homestead, about 300 yards north of the bridge across Ash Creek, Ash Creek State Wildlife Area, 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. 1295 Comment
  CHSC117245  Chamaesyce serpillifolia subsp. serpillifolia Lowell Ahart; John Dittes 2016-7-16 21257 Modoc Strand of the second pond, south of Ash creek Canal (now filled in) south of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.75 miles (air) west of Adin, Big Valley. 1273 Comment
  JEPS52341  Chamaesyce serpyllifolia Milo S. Baker 1893-7-25 Modoc Egg Lake Comment
  UC17672  Chamaesyce serpyllifolia Milo S. Baker 1893-7-25 Modoc on island Egg Lake Comment
  HSC8011  Chamaesyce serpyllifolia M. T. Milligan 1964-8-21 233 Modoc S end of Dorris Reservoir Dam 1372 Comment
  CHSC99251  Chenopodium Lowell Ahart; John Dittes 2008-6-21 15010 Modoc Along a large levee, mountain meadow, in Big Valley, about 4.3 miles (air) northeast of the Headquarters at Ash Creek State Wildlife Area, about 7.3 miles (air) northeast of Bieber. 1266 Comment
  CAS-BOT-BC95530  Chenopodium pratericola Isabelo T. Kelly 1930-1-1 31 Modoc Modoc County. Comment
  JEPS117371  Chenopodium rubrum var. humile Lowell Ahart, John Dittes 2010-8-30 17049 Modoc About 10 yards west 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
  RSA624502  Chenopodium salinum L. C. Wheeler 1935-8-18 3892 Modoc 2 miles northeast of Alturas 1357 Comment
  CDA18850  Chorispora tenella R. Breckenridge 1999-6-15 PDR 909437 Modoc Jones Lane between Likely and Alturas. 1328 Comment
  CAS-BOT-BC15032  Chrysothamnus humilis Bruce Bartholomew 1989-8-13 5142 Modoc Top of Manzanita Mountain. 2090 Comment
  CAS-BOT-BC14991  Chrysothamnus viscidiflorus subsp. viscidiflorus Loran C. Anderson 1958-8-23 1611 Modoc 1 mi. E of Cedarville, beside highway and around Middle Lake 1424 Comment
  CHSC114007  Chrysothamnus viscidiflorus subsp. viscidiflorus L. P. Janeway 2014-7-7 11449 Modoc Great Basin. Northwest edge of plateau overlooking Cow Head Lake; halfway between Cow Head Lake and Big Mud Lake; along an obscure dirt road 1.0 km north-northwest of Barrel Springs Road. 1670 Comment
  HSC81019  Chrysothamnus viscidiflorus subsp. viscidiflorus G. M. Riegel 1980-8-9 1022 Modoc S Warner Mtns. 1739 Comment
  SJSU9679  Chrysothamnus viscidiflorus subsp. viscidiflorus W. Savage 1979-8-22 1579 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  JEPS124304  Cichorium intybus Lowell Ahart, John Dittes 2015-7-15 20344 Modoc Ash Creek State Wildlife Area about 3.9 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber Big Valley. Comment
  UC1400383  Cicuta douglasii R. F. Thorne and C. W. Tilforth 1969-9-5 39160 Modoc Modoc National Forest, Warner Mountains, Clear Lake Clear Lake; Modoc National Forest, Warner Mountains, Clear Lake 1767 Comment
  UC572967  Cicuta douglasii Louis C. Wheeler 1935-9-22 3997 Modoc Pit River at Rattlesnake Butte, Warm Springs Valley Warm Springs Valley; Pit River, Rattlesnake Butte, Warm Springs Valley 1341 Comment
  CDA38303  Cicuta douglasii T. C. Fuller 1959-7-8 s.n. Modoc 3.4 miles east of Tulelake. 0 Comment
  CAS-BOT-BC191009  Circaea alpina subsp. pacifica Bruce Bartholomew; Barrett Anderson 1988-7-21 4439 Modoc Above Upper Rush Creek Campground ca. 4 km E of State Highway 299 between Adin and Canby. 1580 Comment
  NY850375  Circaea alpina subsp. pacifica B. M. Bartholomew 1990-7-20 5535 Modoc Buck Creek between Del Pratt Spring and Howard Flat, west side of Warner Mountains 1990 Comment
  CDA34394  Cirsium arvense Anonymous 1987-6-17 Modoc Jones Rd. off US 395, north of Likely. 0 Comment
  CDA15027  Cirsium cymosum B. Villegas 1998-8-19 s.n. Modoc Cascade Range; Nr. New Pine Creek, 3.6 mi. E of Fandango Pass on Hwy 395. Comment
  CAS-BOT-BC14928  Cirsium occidentale var. candidissimum K. Paulson; Robert Paulson 1988-7-13 80 Modoc Juniper Flat, Jess Valley. 1402 Comment
  JEPS59227  Cirsium occidentale var. candidissimum F. H. Frost 1925-7-11 16 Modoc Cedar Canyon campsite 2 mi above Cedarville Comment
  UC91794  Cirsium occidentale var. candidissimum Milo S. Baker 1893-7-25 Modoc Lava Beds Comment
  RSA0070851  Cirsium occidentale var. candidissimum E. K. Balls, Percy C. Everett 1952-10-11 18157 Modoc 1 mile SE of crest of Fandango Pass, Warner Mts. 1707 Comment
  SEINET195634  Cirsium vaseyi Annie M. Alexander, Louise Kellogg 1946-6-14 4766 Modoc Silver Creek Branch of Patterson Mill road. 1829 Comment
  CAS-BOT-BC191072  Clarkia gracilis subsp. gracilis Bruce Bartholomew; Barrett Anderson 1989-6-3 4869 Modoc Boles Creek, ca. 5.5 km E of the SE corner of Clear Lake Reservoir. 1430 Comment
  CAS-BOT-BC191075  Clarkia gracilis subsp. gracilis John Thomas Howell 1934-6-12 12003 Modoc Davis Creek Comment
  UC748412  Clarkia gracilis subsp. gracilis Annie M. Alexander and Louise Kellogg 1946-6-12 4738 Modoc w side Fandango Pass road 1706 Comment
  CAS-BOT-BC191069  Clarkia gracilis subsp. gracilis Milo S. Baker 1893-6-20 s.n. Modoc low flat land Comment
  CAS-BOT-BC191052  Clarkia lassenensis John Thomas Howell 1934-6-13 12069 Modoc Fandango Pass. 1828 Comment
  CAS-BOT-BC191055  Clarkia lassenensis Bruce Bartholomew 1992-5-14 6276 Modoc SW side of White Horse Mountains, SW of White Horse Flat Reservoir. 1400 Comment
  CAS-BOT-BC191048  Clarkia rhomboidea Bruce Bartholomew 1989-7-14 4950 Modoc ca. 6.5 km NE of Egg Lake and 0,8 km E of Survice Gulch. 1340 Comment
  HSC30124  Clarkia stellata D. H. Norris, T. Nelson, S. Dowty 1971-6-23 19467 Modoc Upper Rush Creek Campground, about 8 mi. N of Adin on Hwy. 299 Comment
  NY497245  Claytonia lanceolata C. L. Hitchcock 1940-5-27 6717 Modoc 15 miles northeast of Alturas 1981.2 Comment
  SEINET188374 Image available Claytonia lanceolata C. L. Hitchcock 1940-5-27 6717 Modoc 15 miles northeast of Alturas 1980 Comment
  UC748121  Claytonia lanceolata Annie M. Alexander and Louise Kellogg 1946-6-15 4773 Modoc Deep Creek 2133 Comment
  RSA0059503  Claytonia lanceolata var. sessilifolia C. L. Hitchcock 1940-5-27 6717 Modoc 15 miles NE of Alturas. 1982 Comment
  CAS-BOT-BC197429  Claytonia perfoliata subsp. intermontana Bruce Bartholomew; Barrett Anderson 1989-6-1 4734 Modoc Shake Spring, NW side of Shaffer Mountain. 1500 Comment
  CAS-BOT-BC197430  Claytonia perfoliata subsp. intermontana Bruce Bartholomew 1991-6-20 5791 Modoc Fox Mountain Spring, ca. 10 km NW of Adin. 1620 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
  JEPS43368  Claytonia perfoliata subsp. intermontana Frances D. Payne 1931-6-22 239 Modoc s and e of Alturas (Dry Creek, tributary of Parker Creek); Warner Mountains, Parker Creek, Dry Creek 1828 Comment
  SEINET8727062 Image available Cleome platycarpa Helen K. Sharsmith 1955-1 4503 Modoc West Valley Reservoir in sagebrush-juniper. Just outside west boundary Modoc National Forest, west slope Warner Mountains. 1524 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-BC226085  Collinsia parviflora Elmer Ivan Applegate 1932-8-2 8085 Modoc Mill Creek Meadow, western slope of Warner Mts. Comment
  CAS-BOT-BC229854  Collinsia parviflora John Thomas Howell 1934-6-13 12055 Modoc Fandango Pass, Warner Mountains 1828 Comment
  CAS-BOT-BC226096  Collinsia parviflora Mrs. H. C. Cantelow 1940-6-2 4395 Modoc NW of Canby, road to lava beds. Comment
  RSA503036  Collinsia parviflora Bruce Bartholomew, B. Anderson 1988-6-24 4365 Modoc Vicinity of Patterson Campground, southern end of the Warner Mountains. 2190 Comment
  UCSB27160  Collinsia parviflora Wilken, Dieter 1969-7-28 Modoc Mill Creek Falls, near Clear Lake, east of Likely; Warner Mtns 1767 Comment
  RSA505357  Collinsia torreyi var. wrightii R. C. Bacigalupi, G. Thomas Robbins 1955-7-20 5399 Modoc Flat at summit of forest road across the southern end of the Warner Range, 3.3 miles e. of Patterson Ranger Station, Modoc Nat. Forest. 2226 Comment
  CAS-BOT-BC190740  Collomia grandiflora K. Paulson; Robert Paulson 1989-7-2 161 Modoc Cottonwood Flat. 1447 Comment
  UC23607  Collomia grandiflora Milo S. Baker 1893-6 Modoc Lava Beds Comment
  CAS-BOT-BC190728  Collomia linearis C. C. (Mrs.) Bruce 1894-6-1 96 Modoc Davis Creek. Comment
  HSC16931  Collomia linearis M. T. Milligan 1966-7-3 527 Modoc Slopes and ridges E of Jess Valley 1829 Comment
  HSC75907  Collomia tinctoria D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19488 Modoc Big Valley Summit, 6 mi. W of Adin on Hwy. 299 Comment
  RSA71945  Collomia tinctoria F. W. Peirson 1926-6-25 6892 Modoc 1 mile east of summit of Cedarville Road, Warner Mountains Comment
  CAS-BOT-BC214801  Comarum palustre Robert Folger Thorne; C. W. Tilforth 1969-9-5 39162 Modoc Clear Lake, Warner Mts. Modoc National Forest 1767 Comment
  JEPS117182  Conium maculatum Lowell Ahart, John Dittes 2010-8-30 17066 Modoc On the sides of a small wash, about 10 yards east of the fence, south edge of the meadow, Ash Creek State Wildlife Area, 2300 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley 1267 Comment
  SEINET3479097  Conyza canadensis Unknown 1991-8-28 4447 Modoc Modoc National Forest, Modoc National Forest, Kelley Spring, 3.4 miles from highway 299 at Rush Creek, on primary Forest Service Road 22 and Road 40N33 1640 Comment
  CAS-BOT-BC95597  Cornus sericea Bruce Bartholomew 1994-7-1 6768 Modoc Turner Creek adjacent to Forest Service road 42N21. 1470 Comment
  CAS-BOT-BC95599  Cornus sericea John H. Hatton 1911-6-17 119 Modoc unspecified 1219 Comment
  CAS-BOT-BC95595  Cornus sericea subsp. sericea Bruce Bartholomew; Barrett Anderson 1988-7-21 4444 Modoc Above Upper Rush Creek Campground ca. 4 km E of State Highway 299 between Adin and Canby. 1580 Comment
  HSC80943  Cornus sericea subsp. sericea G. M. Riegel 1978-8-30 160 Modoc S Warner Mtns. 1670 Comment
  JEPS114435  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
  CAS-BOT-BC197571  Crataegus douglasii Elmer Ivan Applegate 1929-6-25 5900 Modoc Cottonwood Creek, E side of Goose Lake. Comment
  CAS-BOT-BC197573  Crataegus douglasii A. D. Borden 1911-8-9 s.n. Modoc Mall Place, on S side of Shields Creek. Comment
  CAS-BOT-BC14901  Crepis acuminata Bruce Bartholomew 1991-8-4 6016 Modoc Drift Fence Tank, ca. 8 km directly W of Goose Lake. 1580 Comment
  CAS-BOT-BC14898  Crepis intermedia Bruce Bartholomew 1990-6-18 5388 Modoc Turner Creek at County Rd 90, N end of Big Valley, 6.4 km N of Lassen County border. 1230 Comment
  SJSU8814  Crepis intermedia H. L. Buckalew 1961-6-25 Modoc near Stowe Reservoir 1 mi N of Cedar Pass on Altuas-Cedarville Road 2011 Comment
  CAS-BOT-BC14914  Crepis modocensis Alice Eastwood; John Thomas Howell 1940-6-12 8091 Modoc Jess Valley. Comment
  POM260866  Crepis modocensis subsp. modocensis Alice Eastwood, John Thomas Howell 1940-6-13 8148 Modoc Fandango Pass. Comment
  UC581269  Crepis modocensis subsp. modocensis E. B. Babcock and G. L. Stebbins Jr. 1936-6-9 1805 Modoc about 3 mi w Cedarville; Warner Mountains, Cedar Creek Canyon Comment
  RSA504635  Crepis modocensis subsp. modocensis Bruce Bartholomew, B. Anderson 1988-6-24 4311 Modoc Road beyond Poison Lake, ca. 8 km S of the road from Hwy 395 to Lily Lake, Warner Mountains. 2130 Comment
  CAS-BOT-BC14878  Crepis modocensis subsp. subacaulis Elmer Ivan Applegate 1932-7-9 7604 Modoc Summit of Bidwell Mountain, Warner Mountains Comment
  CAS-BOT-BC14888  Crepis modocensis subsp. subacaulis Bruce Bartholomew 1990-6-17 5356 Modoc 11.3 km N of Buck Creek Ranger Station, a crest of the Warner Mountains. 2130 Comment
  UC31311  Crepis monticola M. S. Baker and Frank Nutting 1894-6-30 Modoc Big Valley Comment
  CAS-BOT-BC14858  Crepis occidentalis M. M. Hanna 1956-6-4 Modoc 5 mi. N of Alturas on Cedar Pass road. Comment
  SEINET2142062 Image available Crepis occidentalis subsp. conjuncta Annie M. Alexander, Kellogg, Louise 1946-7-18 5016 Modoc Near Benton Meadow, Warner Mountains 2070 Comment
  UC748135  Crepis occidentalis subsp. conjuncta Annie M. Alexander and Louise Kellogg 1946-7-18 5016 Modoc near Benton Meadow; Warner Mountains 2072 Comment
  POM75457  Cressa truxillensis Mrs. R. M. Austin 1898-07 2192 Modoc Lake shore Comment
  UC31343  Crocidium multicaule Mrs. R. M. Austin 1894-5-1 Modoc Goose Lake Valley Comment
  SEINET10617304  Crocidium multicaule LeRoy E. Detling 1948-5-24 Detling 6256 Modoc North Fork Pit River. 1463 Comment
  UCD130993  Crocidium multicaule R. N. Raynor 1940-4-12 s.n. Modoc 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
  CHSC77192  Crupina vulgaris G. Schoolcraft 1993-6-17 Modoc Ne of Adin on s. side of Hunter Ridge. 1645 Comment
  JEPS117300  Crypsis alopecuroides Lowell Ahart, John Dittes 2010-8-31 17118 Modoc About 10 yards west of Elkins Lane, about 150 yards north of the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley 1274 Comment
  JEPS119669  Crypsis schoenoides Lowell Ahart, John Dittes 2012-7-11 18348 Modoc About 1/2 mile southeast of the Pilot Butte Parking Lot, north edge of Ash Creek floodplain, about 1.5 miles (air) south of County Road 87, about 7.5 miles (air) west of Adin, about 10.2 miles (air) east of Lookout, Big Valley. Comment
  JEPS121219  Crypsis schoenoides Lowell Ahart, John Dittes 2013-7-24 18913 Modoc N side of Ash Creek Floodplain, 0.54 air miles SE of Pilot Butte parking area, 1.1 air miles S of County Road 87, 6.8 air miles W of Adin, Big Valley. Comment
  JEPS114436  Crypsis vaginiflora Lowell Ahart, John Dittes 2008-8-26 15353 Modoc bottom of Rose Creek, 550 feet southwest of confluence of Rose Creek and Pit River, on the northwest side of unnamed road, northeast of wire gate, 2860 feet east of intersection with County Road 85a, 9.3 miles (air) north-northeast of Lookout 1276 Comment
  CAS-BOT-BC54129  Cryptantha affinis Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10529 Modoc Patterson Ranger Station (East Creek drainage), Warner Mountains 2164 Comment
  UCD119058  Cryptantha ambigua Collector unknown 1950-1 s.n. Modoc Modoc County. Comment
  JEPS70812  Cryptantha celosioides L. S. Smith 1919-6-2 1114 Modoc Deep Creek Warner Mts. 1920 Comment
  UC71864  Cryptantha intermedia Mrs. M. H. Manning Jul 1904 392 Modoc Mill Canyon, ne Modoc County Mill Canyon Comment
  UC857156  Cryptantha intermedia Ivar Tidestrom 1910-6-25 3638 Modoc Libley Draw Modoc National Forest Comment
  CAS-BOT-BC54118  Cryptantha sobolifera Robert Patterson; Mona Bourell 1993-8-15 5259 Modoc Warner Mountains. Along trail from Patterson Lake to ca. 2 mi north towards Pepperdine Trailhead. 2743 Comment
  CAS-BOT-BC54124  Cryptantha torreyana Alice Eastwood; John Thomas Howell 1940-6-14 8214 Modoc 8 mi. NW of Canby. Comment
  CAS-BOT-BC54125  Cryptantha torreyana John Thomas Howell 1934-6-11 11984 Modoc Parker Creek. 1584 Comment
  HSC75579  Cryptantha torreyana G. M. Riegel 1979-7-3 472 Modoc S Warner Mtns. 2100 Comment
  RSA176224  Cupressus bakeri C. O. Stone 1963-12-26 278 Modoc On recent lava flow ca. 1 mile S of Gassaway Reservoir 1110 Comment
  UC1222085  Cupressus bakeri C. O. Stone 1963-12-26 276 Modoc approximately 1 mi s Gassaway Reservoir; Quadrangle 16C2 1109 Comment
  JEPS43033  Cuscuta approximata Frances D. Payne 1932-7-22 732 Modoc s and e of Alturas; Warner Mountains, Parker Creek 1584 Comment
  JEPS47127  Cuscuta approximata Mary H. Manning before Aug 1918 Modoc Ft. Bidwell; Condan Ranch Comment
  UCD126232  Cuscuta approximata Goss 1932-10-3 7 Modoc Exact location unknown. 388 Comment
  CHSC75477  Cusickiella douglasii V. H. Oswald; B. Corbin, A. Sanger, G. Schoolcraft 1999-6-12 9764 Modoc Soldier Creek Canyon adjacent to USFS 43N57 in the Warner Mtns. northeast of Stough Reservoir Campground, north side of Hwy. 299, east side of Cedar Pass. 2072 Comment
  RSA195413  Cycladenia humilis Elmer I. Applegate 1936-5-21 10337 Modoc Lava Beds National Monument. Basin in midst of Big Lava Flow, north of Cinder Cone, 1/2 mile north of RR tract at Lava Summit. Comment
  JEPS101845  Cyperus squarrosus Dean W. Taylor 1990-8-22 11479 Modoc Lookout Road 2.3 miles S of junction with State Highway 139, crossing of a small perennial drainage in Ponderosa Pine Forest 1424 Comment
  UCR168541  Cyperus squarrosus L. C. Wheeler 1935-9-3 3938 Modoc McGinty Reservoir, Devil's Garden 1463 Comment
  JEPS64385  Cypripedium montanum Milo S. Baker 1893-6-29 Modoc 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
  HSC970  Cystopteris fragilis M. T. Milligan 1965-6-30 398 Modoc Slopes and ridges E of Jess Valley 1890 Comment
  UCR34736  Cystopteris fragilis J. A. Harpel 1981-8-6 V 2 Modoc Warner Mtns, South Warner Wilderness Area: E end of Patterson Lake, 7 mi NW of Eagleville 2744 Comment
  SEINET6627865  Cystopteris fragilis D. A. Charlet 1989-8-16 541 Modoc Warner Mountains, 1.1 kilometers northwest of Eagle Peak 2652 Comment
  UC1536802  Damasonium californicum Gordon H. True Jr. 1930-6-25 1014 Modoc Boles Meadow n.w. of Alturas Comment
  CAS-BOT-BC242494  Danthonia californica Leland S. Smith 1917-7-2 63 Modoc Modoc National Forest - Head N.E.of Pine Creek 2286 Comment
  UC1024853  Danthonia californica var. americana Leo Whitney 1935-6-9 3196 Modoc near White Horse; White Horse lake (Flat) Comment
  UC1024925  Danthonia californica var. americana Leo Whitney 1935-6-29 3353 Modoc ca 15 mi nw Canby; Modoc National Forest, Lake Joaquina, Hackamore 1463 Comment
  RSA359360  Danthonia unispicata L. M. Shultz, John Shultz 1985-6-23 8595 Modoc Modoc Plateau at the western extension of the Great Basin, between Beeler and Duncan reservoirs north of Canby, near highway 139 1311 Comment
  SBBG524  Danthonia unispicata A. A. Beetle 1941-6-29 2884 Modoc near summit of Mt Adin 1828 Comment
  UCD61368  Danthonia unispicata Beecher Crampton 1960-6-17 5685 Modoc 5 miles south of Perez, Plant Quarantine Station area. 1371 Comment
  SBBG128275  Deinandra lobbii L. Ahart, J. Dittes 2010-8-30 17059 Modoc ca. 5 yards E of the fence, S edge of the meadow, Ash Crk State Wildlife Area, 2300 feet N of Lassen County Line, ca. 3.6 mi W of Adin, ca. 8.0 mi NE of Bieber 1267 Comment
  CAS-BOT-BC217341  Delphinium andersonii Bruce Bartholomew; Barrett Anderson 1989-6-2 4810 Modoc NE side of Upper Lake, 4 km S of road to Fee Reservoir, NE end of Surprise Valley. 1420 Comment
  CAS-BOT-BC217336  Delphinium andersonii John H. Hatton 1911-6-10 6 Modoc Modoc County. 1767 Comment
  CAS-BOT-BC217343  Delphinium depauperatum Bruce Bartholomew; Barrett Anderson 1990-7-20 5523 Modoc Tamarack Flat, E side of Warner Mts. 2150 Comment
  CHSC117844  Delphinium depauperatum L. P. Janeway 2016-5-16 11999 Modoc Modoc Plateau. Devils Garden area; along Road 46N05A (Applegate Trail Southern Route) 0.3 km west of Road 46N02; 2.4 air-km east-southeast of Green Tank Reservoir and Green Spring Reservoir. 1569 Comment
  NY487636  Delphinium depauperatum B. M. Bartholomew 1988-6-24 4308 Modoc Road beyond Poison Lake ca. 8 km south of the road from U.S. Highway 395 to Lily Lake, Warner Mountains. Fort Bidwell 15' Quad. 2130 Comment
  CAS-BOT-BC217350  Delphinium nudicaule Bruce Bartholomew 1992-5-14 6280 Modoc SW side of White Horse Mountains, SW of White Horse Flat Reservoir. 1370 Comment
  CAS-BOT-BC217306  Delphinium nuttallianum Roxana Stinchfield Ferris; R. Duthie 1919-6-15 1388 Modoc Parker Creen, Warner Mts. Comment
  CAS-BOT-BC217322  Delphinium nuttallianum Bruce Bartholomew; Barrett Anderson 1988-5-12 4103 Modoc White Horse. 1340 Comment
  CAS-BOT-BC217325  Delphinium nuttallianum F. Angwin 1946-4-21 s.n. 0 Modoc Stone Coal Canyon, 12 mi. NE of Adin. 1280 Comment
  HSC25016  Delphinium nuttallianum M. T. Milligan 1964-7-25 190 Modoc Pine Creek Basin, along trail. 2439 Comment
  UC1126006  Delphinium nuttallianum R. C. Wilson 1933-5-21 23 Modoc Rush Creek Modoc National Forest, Canby Quadrangle Comment
  UC1523780  Deschampsia danthonioides Gary Schoolcraft 1981-6-10 594 Modoc near Loveness Pond n. of Canby 1508 Comment
  SEINET4566918  Deschampsia danthonioides I. Tidestrom 1910-6-25 3642 Modoc Sibley Draw, north fork Modoc Comment
  CHSC85398  Deschampsia elongata John Dittes; Josephine Guardino 1991-8-24 459 Modoc Modoc Plateau; Warner Mountains; west slope, ca. 8.2 air-miles east of Goose Lake, ca. 2.3 air-miles south of Dismal Swamp, ca. 1.6 air-mile west of Bidwell Mtn.; tributary of Bidwell Creek west of Highgrade Road. 2087 Comment
  UC71577  Descurainia incana Mrs. M. H. Manning 1903-1 62 Modoc near Fort Bidwell (ne Modoc County) Comment
  CAS-BOT-BC58620  Descurainia incisa Bruce Bartholomew 1990-6-16 5251 Modoc Vicinity of roadhead to Pine Creek Basin, W side of Warner Mountains. 2040 Comment
  CAS-BOT-BC58623  Descurainia incisa C. L. Hitchcock 1940-5-27 6713 Modoc 15 mi. NW of Alturas. 1676 Comment
  HSC6722  Descurainia incisa subsp. incisa M. T. Milligan 1965-7-10 419 Modoc W slope of Eagle Peak. 2439 Comment
  CAS-BOT-BC58442  Descurainia sophia E. S. Willits 1940-5-17 268 Modoc Willow Ranch. Comment
  CHSC85190  Descurainia sophia John Dittes; Josephine Guardino 1991-6-1 344 Modoc Modoc Plateau; Big Valley; Ash Creek Wildlife Area; ca. 7.7 air-miles northeast of Bieber, ca. 4.0 air-miles west by southwest of Adin, ca. 5.0 air-mile east by southeast of Pilot Butte summit, ca. 0.6 mile east of Walters Road and Owl Barn; meadow at southern edge of Ash Creek Floodplain. 1271 Comment
  CAS-BOT-BC190766  Dicentra uniflora Bruce Bartholomew 1995-6-23 6994 Modoc 0.5 km SW of Forest Road 30 on road to Bald Mountain, crest of the Warner Mountains. 2060 Comment
  SJSU9660  Dieteria canescens var. canescens W. Savage 1979-7-9 1498 Modoc Round Valley, Triangle, Devils Garden District, Modoc National Forest 1493 Comment
  UC190626  Dieteria canescens var. shastensis M. F. Gilman 654 Modoc 1676 Comment
  UC29895  Dieteria canescens var. shastensis Milo S. Baker 1893-6 Modoc Comment
  RSA534560  Dimeresia howellii Bruce Bartholomew 1991-5-24 5731 Modoc 2.9 km NW of road between Fort Bidwell and Fee Reservoir on road to Big Mud Lake. 1680 Comment
  CAS-BOT-BC234489  Diplacus nanus Bruce Bartholomew 1991-5-24 5728 Modoc 2.9 km NE of road between Fort Bidwell and Fee Reservoir on road to Big Mud Lake. 1680 Comment
  CAS-BOT-BC234500  Diplacus nanus Fred D. Douthitt 1916-5-11 18 Modoc Near Flournoy Swale. 1524 Comment
  CAS-BOT-BC234490  Diplacus nanus Mrs. H. C. Cantelow 1935-6-8 980 Modoc S of Malin. Comment
  CAS-BOT-BC234493  Diplacus nanus Mrs. H. C. Cantelow 1941-5-23 s.n. Modoc 2 miles W of Adin Pass Summit, US Hwy 299. W of Bieber Comment
  CAS-BOT-BC234428  Diplacus pygmaeus Bruce Bartholomew 1995-6-3 6955 Modoc Fletcher Creek E of Pease Cabin between Goose Lake and Crowder Flat Road. 1520 Comment
  CAS-BOT-BC234441  Diplacus tricolor Bruce Bartholomew; Barrett Anderson 1989-6-3 4906 Modoc ca. 6 km NW of Egg Lake and ca. 0.8 km E of Service Flat Gulch. 1370 Comment
  CAS-BOT-BC234443  Diplacus tricolor Bruce Bartholomew 1991-7-6 5989 Modoc Sand Flat on Loveness Logging Road. 1370 Comment
  CAS-BOT-BC247764  Distichlis spicata Bruce Bartholomew; Barrett Anderson 1990-7-20 5447 A Modoc Margin of Goose Lake at S end of the causeway to McGinty Point. 1440 Comment
  JEPS68537  Distichlis spicata Leland S. Smith 1918-9-30 1060 Modoc Surprise Valley; alkali flats 1371 Comment
  UCD64169  Distichlis spicata L. Whitney 1934-5-28 2174 Modoc Lake Joaquina, Hackamore, ca. 15 miles northwest of Canby, Modoc National Forest. 1463 Comment
  SEINET10564495  Distichlis spicata var. stricta Louis C. Wheeler 1935-9-4 Wheeler 3945 Modoc Dry sunny sandy lake bed. McGinty Point, Goose Lake. 1463 Comment
  UCR34703  Dodecatheon J. A. Harpel 1981-8-6 V- 27 Modoc Warner Mtns, South Warner Wilderness Area: E end of Patterson Lake, 7 mi NW of Eagleville 2744 Comment
  HSC80776  Dodecatheon alpinum G. M. Riegel 1979-7-5 497 Modoc S Warner Mtns. 2100 Comment
  CAS-BOT-BC218280  Dodecatheon conjugens Leo David Whitney 1935-5-19 3108 Modoc Edge of Hackamore River, near Hackamore. Comment
  POM76690  Dodecatheon conjugens R. M. Austin 1895-04 560 Modoc Goose Lake Valley. Comment
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Sep 5 2010
  CAS-BOT-BC218279  Dodecatheon conjugens var. conjugens Leo David Whitney 1935-5-19 3108 Modoc Edge of Hackamore River, near Hackamore. Comment
  CAS-BOT-BC218299  Dodecatheon pulchellum var. pulchellum E. S. Willits 1940-5-17 261 Modoc Creek Bottom, Willow Ranch. Comment
  CAS-BOT-BC95110  Downingia bacigalupii Leland S. Smith 1924-6-4 1368 Modoc S side of Egg Lake. Comment
  CAS-BOT-BC95113  Downingia bacigalupii Leland S. Smith 1924-6-4 1368 Modoc S side of Egg Lake. Comment
  CAS-BOT-BC95116  Downingia bacigalupii Alice Eastwood; John Thomas Howell 1940-6-14 8224 Modoc 8 mi. NW of Canby. Comment
  CHSC112046  Downingia bacigalupii Lowell Ahart; John Dittes 2012-7-11 18334 Modoc On the bottom of a gravel pit, north edge of the meadow, about 1/8 mile east of the parking area on the east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northweat of Bieber, Big Valley. 1266 Comment
  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
  RSA768068  Downingia bacigalupii L. Ahart, John Dittes 2010-8-31 17124 Modoc Edge of a pond, about 400 yards west of Elkin's Lane and the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 air miles west of Adin, about 7.7 air miles northeast of Bieber, Big Valley 1268 Comment
  UC28969  Downingia bacigalupii Milo S. Baker 1893-7-25 Modoc near shore of Egg Lake Comment
  JEPS108480  Downingia bacigalupii Steve Jessup Jul 1995 Modoc N of Canby. 1.4 mi N of Rt. 139 on Rt. 46 Comment
  RSA128296  Downingia bicornuta P. H. Raven, Otto T. Solbrig 1959-6-18 13323 Modoc About small lake at eastern outskirts of Lookout. Comment
  UC28979  Downingia cuspidata Milo S. Baker 1893-6-18 Modoc near Egg Lake shore; Egg Lake 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
  CAS-BOT-BC95141  Downingia insignis Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-16 16521 Modoc Near Cloverswale Creek, 4.8 mi. NE of Canby. Comment
  RSA149141  Downingia insignis I. L. Wiggins, Dorothy Wiggins 1961-6-16 16521 Modoc Near Cloverswale Creek, 4.8 miles NE of Canby Comment
  SEINET12329656  Downingia insignis N. H. Holmgren, Holmgren, P. K. 1980-1 9456 Modoc U.S. Highway 299, 2.3 km (1.4 mi.) NE of junction with California Highway 139 through Canby, 1310 Comment
  CAS-BOT-BC41951  Draba albertina Gregg M. Riegel 1980-7-22 925 b Modoc South Warner Mountains. 2401 Comment
  CAS-BOT-BC58288  Draba albertina Elmer Ivan Applegate 1932-8-2 8088 Modoc Mill Creek Meadows, Warner Mts. Comment
  CAS-BOT-BC58300  Draba albertina Annie Montague Alexander; L. Kellogg 1946-8-3 5112 Modoc Head of Eagle Creek, Warner Mts. Comment
  HSC80857  Draba albertina G. M. Riegel 1980-8-9 1021 Modoc S Warner Mtns. 2183 Comment
  CAS-BOT-BC58551  Draba densifolia M. Vasey 1990-6-28 9005 Modoc In vicinity of pass at junction of N Emerson Lake Trail and Owl Creek Trail. 2590 Comment
  CAS-BOT-BC214763  Drymocallis glandulosa K. Paulson; Robert Paulson 1989-5-21 119 Modoc Near Fletcher Creek, Crowder Flat Road. 1341 Comment
  UC545658  Drymocallis glandulosa var. glandulosa John Thomas Howell 1934-6-13 12073 Modoc Fandango Pass Warner Mts. 1828 Comment
  JEPS47207  Drymocallis glandulosa var. reflexa Frances D. Payne 1931-6-18 190 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  CAS-BOT-BC214756  Drymocallis lactea var. lactea Elmer Ivan Applegate 1932-8-1 8056 Modoc N slope of Warren Peak near summit, Warner Mts. 2743 Comment
  CHSC109208  Drymocallis lactea var. lactea L. P. Janeway; B. Castro 2012-7-24 10959 Modoc Warner Mountains. Along Forest Road/County Road 2 (the road from New Pine Creek to Fort Bidwell) 1.4 air km east of Lily Lake and 1.8 air km southwest of Dismal Swamp. 2250 Comment
  UCSB19850  Drymocallis lactea var. lactea Hardham, Clare 1961-6-20 Modoc Mt. Bidwell Dismal Swamp Rd. 2438 Comment
  CAS-BOT-BC14808  Eatonella nivea Bruce Bartholomew 1991-5-24 5722 Modoc NE end of Surprise Valley, 6.5 km E of Fort Bidwell on road to Fee Reservoir. 1500 Comment
  UCD60818  Echinochloa crus-galli L. Whitney 1935-7-6 3435 Modoc Pit River near Lookout. Comment
  CHSC116187  Elatine Lowell Ahart; John Dittes 2015-7-15 20350 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
  CHSC116189  Elatine Lowell Ahart; John Dittes 2015-7-15 20353 Modoc On the east side of Elkins Lane, about 200 yards northeast of the Parking Area, northwest of the old barn, Ask Creek State Wildlife Area, about 3.9 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  CHSC112776  Elatine californica Lowell Ahart; John Dittes 2013-7-24 18918 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
  CHSC112826  Elatine californica Lowell Ahart; John Dittes 2013-7-24 18918 A Modoc Around a man made pond, north side of Ash Creek Floodplain, 0.54 mile (air) southeast of Pilot Butte Parking Area, 1.1 miles (air) south of County Road 87, 6.8 miles (air) west of Adin, Big Valley. 1263 Comment
  JEPS127157  Elatine rubella Lowell Ahart, John Dittes 2016-7-14 21169 Modoc South of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. Comment
  UCSC000116  Eleocharis bella Mrs. M. H. Manning unknown s.n. Modoc collected in north-eastern Modoc county Comment
  UC1100605  Eleocharis coloradoensis Verne Grant, Irving Schneider 1947-7-19 8081 Modoc N of Likely (Williams Ranch) Comment
  JEPS19419  Eleocharis macrostachya W. L. Jepson 1918-8-14 7988 Modoc Jess Valley 1584 Comment
  CHSC117499  Eleocharis palustris Lowell Ahart; John Dittes 2016-7-14 21202 Modoc Strand of a new pond, south of Ash Creek Canal (now filled in), south of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. 1273 Comment
  UC1100700  Eleocharis quinqueflora Malcolm A. Nobs, Calvin McMillan 1949-6-16 796 Modoc Dry Valley Reservoir, 33 mi NNW of Alturas. Comment
  HSC7336  Eleocharis rostellata M. T. Milligan 1966-6-30 509 Modoc Slopes and ridges E of Jess Valley 1768 Comment
  CAS-BOT-BC245110  Elodea canadensis Bruce Bartholomew 1989-8-11 5054 Modoc Along W side of Goose Lake, 4.2 km N of McGinty Point on National Forest Road 48. 1430 Comment
  JEPS123835  Elodea canadensis Lowell Ahart, John Dittes 2015-7-17 20398 Modoc Ash Creek State Wildlife Area, about 3/4 mile south of County Road B7, about 2.7 miles (air) west of Adin, about 9.1 miles (air) northeast of Bieber. Adin USGS 7.5' Topographic Quadrangle. Comment
  JEPS45884  Elymus L. S. Smith 1281 Modoc Ranger Station pasture Rush Creek (s of meadow) Comment
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Mar 25 2011
  SJSU9592  Elymus caput-medusae W. Savage 1979-7-5 1358 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 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
  UCD61511  Elymus elymoides J. C. Hayes 1935-6-25 Modoc Alturas. Comment
  CAS-BOT-BC247757  Elymus elymoides subsp. elymoides Elmer Ivan Applegate 1932-8-1 8017 Modoc Summit of Warren Peak. Comment
  HSC10952  Elymus elymoides var. elymoides M. T. Milligan 1965-7-5 415 Modoc Ridges E of Jess Valley. 1829 Comment
  HSC65366  Elymus elymoides var. elymoides J. P. Smith, J. O. Sawyer 1973-8-8 7214 Modoc Near summit of Eagle Peak 2988 Comment
  HSC80813  Elymus glaucus G. M. Riegel 1979-7-16 560 Modoc South Warner Mountains 530 Comment
  CAS-BOT-BC247734  Elymus lanceolatus subsp. lanceolatus Bruce Bartholomew; Barrett Anderson 1988-7-21 4449 Modoc Dry hillside, SW side of Jess Valley, Warner Mts.. 1540 Comment
  HSC81819  Elymus spicatus G. M. Riegel 1980-6-30 790 Modoc S Warner Mtns. 1739 Comment
  HSC8744  Elymus spicatus R. C. Wunner 1965-6-20 220 Modoc Lava Beds N.M., Lava Brook Cave. 1463 Comment
  SJSU9603  Elymus spicatus W. Savage 1979-7-5 1377 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  CHSC106200  Elymus 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
  CHSC111108  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 1262 Comment
  SEINET12087293  Enemion stipitatum M. S. Baker 1896-1 s.n. Modoc no further locality Comment
  HSC16363  Epilobium anagallidifolium M. T. Milligan 1966-7-5 557 Modoc E of Jess Valley 1829 Comment
  CAS-BOT-BC191039  Epilobium angustifolium subsp. circumvagum Leland S. Smith 1919-7-1 980 Modoc Coyote Creek, Warner Mts. 1828 Comment
  CAS-BOT-BC191020  Epilobium brachycarpum Bruce Bartholomew 1989-7-14 4946 Modoc ca. 8 km NE of Egg Lake and 2.5 km E of Survice Gulch. 1340 Comment
  CHSC118819  Epilobium brachycarpum L. P. Janeway 2014-7-8 11474 Modoc Modoc Palteau. East corner of Dry Creek Rim; along Road 47N08 (Corral Creek Road) 5.1 road-km north-northwest of Road 48 (along the west edge of Goose Lake). 1759 Comment
  HSC80898  Epilobium brachycarpum G. M. Riegel 1980-7-29 956 Modoc S Warner Mtns. 1670 Comment
  JEPS114669  Epilobium brachycarpum Lowell Ahart, John Dittes 2008-8-25 15277 Modoc On the west side of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout 1276 Comment
  RSA563314  Epilobium brachycarpum Bruce Bartholomew 1989-7-15 4998 Modoc Sweagert Flat 1860 Comment
  RSA767676  Epilobium brachycarpum L. Ahart, John Dittes 2010-8-30 17067 Modoc North side of a small wash, about 10-15 yards west of the fence, south edge of the meadow, Ash Creek State Wildlife Area, 2300 feet north of Lassen County Line, about 3.6 air miles west of Adin, about 8 air miles northeast of Bieber, Big Valley. 1268 Comment
  SBBG103627  Epilobium brachycarpum B. Bartholomew, B. Anderson 1990-7-21 5589 Modoc Bear Flat, W side of Warner Mtns, Ranger Station, E side of Warner Mtns 1830 Comment
  HSC16318  Epilobium brachycarpum M. T. Milligan 1965-6-27 359 Modoc E slope of eroded volcanic plateau. 1677 Comment
  UC1191715  Epilobium brachycarpum Herbert L. Mason 1947-8-8 13458 Modoc n Big Sage Reservoir (nw of Alturas); Ingalls Swamp Comment
  HSC16372  Epilobium ciliatum subsp. ciliatum M. T. Milligan 1966-7-25 575 Modoc E of Jess Valley 1646 Comment
  CDA38072  Epilobium ciliatum subsp. ciliatum T. C. Fuller 1958-7-8 s.n. Modoc Corporation Ranch, Likely. 0 Comment
  CAS-BOT-BC190989  Epilobium ciliatum subsp. glandulosum Annie Montague Alexander; L. Kellogg 1946-7-17 5008 Modoc Benton Meadow. 2072 Comment
  CAS-BOT-BC190990  Epilobium ciliatum subsp. glandulosum Leland S. Smith 1917-8-3 148 Modoc South Fork Davis Creek. 2133 Comment
  HSC12280  Epilobium densiflorum Richard Spjut 1970-7-20 861 Modoc 2 mi. E of Alturas, across the road from the wildlife refuge entrance Comment
  CAS-BOT-BC190971  Epilobium glaberrimum subsp. fastigiatum Bruce Bartholomew 1992-8-9 6396 Modoc Upper region of Owl Creek drainage, on cliffs, E of Summit Trail, E side of Warner Mountains. 2620 Comment
  CAS-BOT-BC190970  Epilobium glaberrimum subsp. glaberrimum Bruce Bartholomew; Barrett Anderson 1990-7-21 5569 Modoc N Barber Creek, road from Surprise Valley to Patterson Ranger Station, E side of Warner Mts. 1710 Comment
  CAS-BOT-BC190966  Epilobium hallianum Elmer Ivan Applegate 1932-8-2 8076 Modoc Mill Creek Meadows, western slope of Warner Mts. Comment
  POM37840  Epilobium hallianum R. M. Austin 1895-08 508 Modoc Goose Lake Valley Comment
  CHSC113071  Epilobium minutum Lowell Ahart; John Dittes 2013-7-24 18926 Modoc Near 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-BC190950  Epilobium obcordatum Annie Montague Alexander; L. Kellogg 1946-7-23 5050 Modoc Emerson Peak, Warner Mts. Comment
  CHSC100851  Epilobium obcordatum L. P. Janeway 2008-8-17 9562 Modoc Warner Mountains. North slope of Bald Mountain; just below the cliffs at the top of the peak. 2409 Comment
  HSC80900  Epilobium obcordatum G. M. Riegel 1980-7-23 934 Modoc S Warner Mtns. 1829 Comment
  CAS-BOT-BC190941  Epilobium oregonense Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10519 Modoc Patterson Ranger Station (East Creek drainage). 2164 Comment
  CAS-BOT-BC190943  Epilobium oregonense Bruce Bartholomew; Barrett Anderson 1990-7-21 5582 Modoc Homestead Flat, ca. 2.5 km E of Patterson Ranger Station, E side of Warner Mts. 2160 Comment
  CAS-BOT-BC190936  Epilobium pallidum Alice Eastwood; John Thomas Howell 1940-6-13 8126 Modoc Near Davis Creek. Comment
  CAS-BOT-BC190871  Epilobium pygmaeum Clare Butterworth Hardham 1974-8-6 20176 Modoc Cedar Pass. 1935 Comment
  CAS-BOT-BC190873  Epilobium pygmaeum John Thomas Howell 1934-7-2 12351 Modoc Morvitz Creek, 1 mi. S of Clear Lake. Comment
  JEPS117681  Eragrostis pectinacea var. pectinacea Lowell Ahart, John Dittes 2010-8-31 17092 Modoc On the west side of Walters Road, 4235 feet south of Modoc County Line, about 4.3 miles (air) south-southwest of Adin, about 7.0 miles (air) northeast of Bieber, Big Valley 1276 Comment
  HSC80716  Eremogone aculeata G. M. Riegel 1978-8-18 112 Modoc S Warner Mtns. 1829 Comment
  CAS-BOT-BC95462  Eremogone congesta Leland S. Smith 1917-7-17 82 Modoc Granger Mill and Upper Deep Creek. 2133 Comment
  HSC81121  Ericameria bloomeri G. M. Riegel 1979-8-16 672 Modoc South Warner Mtns. 1829 Comment
  JEPS114434  Ericameria bloomeri Lowell Ahart, John Dittes 2008-8-26 15337 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
  UC749386  Ericameria discoidea Annie M. Alexander and Louise Kellogg 1946-8-1 5104 Modoc Eagle Peak Modoc National Forest, Warner Mountains, Eagle Peak 2763 Comment
  CAS-BOT-BC14821  Ericameria greenei Louis Cutter Wheeler 1935-8-14 3854 Modoc Lily Lake, Warner Mountains 2133 Comment
  RSA42058  Erigeron barbellulatus Ella Dales Cantelow 1941-5-23 3567 Modoc 2 miles W of Adin, summit on US Hwy 299 Comment
  RSA74773  Erigeron barbellulatus Elroy Robinson 1936-7-20 b 115 Modoc Along trail bet Mono Hot Springs and Mono Meadow. 2134 Comment
  UC31425  Erigeron bloomeri var. bloomeri M. S. Baker and Frank Nutting 1894-6-25 Modoc near Egg Lake Comment
  CHSC100360  Erigeron canadensis Lowell Ahart; John Dittes 2008-8-25 15318 Modoc On the east bank (flood plain) of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-notheast of Lookout. 1273 Comment
  HSC5554  Erigeron chrysopsidis var. austinae R. C. Wunner 1965-7-1 325 Modoc Top of Gillems Bluff above NW ranger residence. California Lava Beds National Monument 1372 Comment
  JEPS5924  Erigeron coulteri Frances D. Payne 1931-6-25 262 Modoc 2 mi sw Warren Peak; Warner Mts., Pine Creek Basin 2316 Comment
  CAS-BOT-BC42820  Erigeron coulteri P. Monnet 1913-7-7 874 Modoc Warner's Range. 2286 Comment
  CAS-BOT-BC42823  Erigeron divergens Bruce Bartholomew 1989-8-10 5049 Modoc N side of Widow Valley, 10.1 km E of Day on County Road 94. Comment
  UC468814  Erigeron divergens M. F. Gilman 658 Modoc Comment
  CAS-BOT-BC42798  Erigeron eatonii var. plantagineus Rimo Carlo Felice Bacigalupi; Guy Thomas Robbins 1955-7-20 5394 Modoc At summit of forest road across southern end of Warner Mtns., 3.3 mi E of Patterson Ranger Station, Modoc N.F. 2225 Comment
  POM301767  Erigeron eatonii var. plantagineus Marion Ownbey, Fred G. Meyer 1940-7-1 2144 Modoc Cedar Peak, Warner Mountains. Comment
  UC705713  Erigeron eatonii var. plantagineus Marion Ownbey and Fred G. Meyer 1940-7-1 2144 Modoc Cedar Peak Warner Mts. (n slope) Comment
  HSC81104  Erigeron eatonii var. plantagineus G. M. Riegel 1980-8-13 1063 Modoc S Warner Mts. 2100 Comment
  RSA339142  Erigeron eatonii var. plantagineus Margaret J. Williams 1984-6-28 84- 67 -2 Modoc 2 miles N of intersection between Soldier Creek and Old Cannon Mill Roads. Warner Mts., N of Cedar Pass 2058 Comment
  HSC28859  Erigeron eatonii var. sonnei D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19490 Modoc At Big Valley summit about 6 mi. W of Adin on Hwy. 299 Comment
  CAS-BOT-BC49627  Erigeron filifolius Roxana Stinchfield Ferris; L. Lorraine 1941-8-14 10611 Modoc Summit of Fandango Pass, on road between Fort Bidwell and Pine Creek, Warner Mountains, Modoc N.F. 1889 Comment
  CAS-BOT-BC49629  Erigeron filifolius Alice Eastwood; John Thomas Howell 1940-6-14 8243 Modoc Between Mammoth Cave and Lava Beds Nat. Mon. Comment
  RSA26265  Erigeron filifolius Alice Eastwood, John Thomas Howell 1940-6-14 8243 Modoc Between Mammoth Cave and Lava Beds National Monument. Comment
  UC87693  Erigeron filifolius Mrs. R. M. Austin 1884-7-1 Modoc Fort Bidwell Comment
  JEPS41394  Erigeron glacialis var. glacialis M. F. Gilman 603 Modoc Modoc Mts. 1828 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
  SJSU9690  Erigeron inornatus var. inornatus W. Savage 1979-7-24 1559 Modoc Long Meadow Unit, Devils Garden District, Modoc National Forest 1615 Comment
  CHSC85171  Erigeron lassenianus var. lassenianus John Dittes; Josephine Guardino 1991-7-21 392 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
  UC1037317  Erigeron linearis Leo Whitney 1934-5-27 1863 Modoc dry rocky flat near Hackamore; Modoc National Forest 1463 Comment
  UC1561045  Erigeron linearis Dean Wm. Taylor with Glenn L. Clifton 1989-8-5 10452 Modoc cirque headwall above South Emerson Lake (Emerson Creek drainage); Warner Mountains, Emerson Creek 2560 Comment
  RSA93193  Erigeron linearis J. T. Howell 1934-6-30 12252 Modoc Duncan Horse Camp. Comment
  SD5436  Erigeron linearis Mrs. R. M. Austin Unknown Modoc New Pine Creek Comment
Read comments
Jul 11 2010
  CDA35644  Erigeron peregrinus J. R. Keck Jr. 1985-7-11 PDR# 237700 Modoc Davis Creek, Modoc National Forest. Comment
  RSA606127  Erigeron peregrinus subsp. callianthemus L. C. Wheeler 1935-8-8 3806 Modoc Consolidated Mine, Pine Creek, Warner Mountains. 2287 Comment
  CAS-BOT-BC49625  Erigeron philadelphicus Bruce Bartholomew 1990-6-17 5327 Modoc W side of Surprise Valley, 16 km S of Cedarville. 1420 Comment
  HSC28534  Erigeron philadelphicus D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19379 Modoc Along the S Fork of the Pit River, ~6 mi. E of Likely. Comment
  UC217539  Eriogonum baileyi var. baileyi H. M. Hall 1921-9-9 11664 Modoc 6 mi Malin Comment
  CAS-BOT-BC248362  Eriogonum caespitosum B. Bartholomew; H. Sun 2002-6-24 8845 Modoc E of Bald Mt., on the E side of the Warner Mountains 2170 Comment
  CAS-BOT-BC197822  Eriogonum elatum Bruce Bartholomew; Barrett Anderson 1990-7-20 5472 Modoc 10.3 km N of Buck Creek Ranger Station, crest of Warner Mountains W side of Warner Mts. 2130 Comment
  CAS-BOT-BC197825  Eriogonum elatum Francis Dorris Payne 1932-7-22 738 Modoc Parker Creek. 1584 Comment
  CAS-BOT-BC197828  Eriogonum elatum Leland S. Smith 1917-7-18 75 Modoc Soldier Creek. 1828 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
  POM105620  Eriogonum elatum var. elatum R. M. Austin 1895-08 435 Modoc Goose Lake Valley. Comment
  RSA531327  Eriogonum elatum var. elatum Bruce Bartholomew, B. Anderson 1990-7-20 5472 Modoc 10.3 km north of Buck Creek Ranger Station, crest of Warner Mountains west side of Warner Mountains. 2130 Comment
  SBBG89595  Eriogonum heracleoides G. R. Ballmer 1988-7-21 Modoc Bidwell Mtn, approximately 3 mi S of Oregon border Comment
  JEPS80925  Eriogonum heracleoides var. heracleoides J. P. Smith and J. O. Sawyer 1973-8-8 7243 Modoc s slopes of Eagle Peak Eagle Peak 2560 Comment
  RSA165621  Eriogonum heracleoides var. heracleoides Clare B. Hardham 1961-6-21 7917 Modoc East of Lakeview Comment
  UC711881  Eriogonum microthecum var. ambiguum Roxana S. Ferris and Laura Lorraine 1941-8-14 10607 Modoc about 10 mi on Eagleville road Patterson Ranger Station; Modoc National Forest, Warner Mountains Comment
  CAS-BOT-BC498762  Eriogonum nudum L. S. Smith no date on label; likely 1924 1431 Modoc Modoc Forest 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-BC211409  Eriogonum nudum var. pubiflorum Bruce Bartholomew; Barrett Anderson 1990-7-21 5552 Modoc W edge of Middle Alkali Lake, directly E of Cedarville, Surprise Valley. 1370 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-BC211448  Eriogonum nudum var. pubiflorum Bruce Bartholomew 1991-8-5 6076 Modoc Summit Trail, between Squaw Peak and Pepperdine, W side of Warner Mts. 2240 Comment
  NY762339  Eriogonum nudum var. pubiflorum N. H. Holmgren 1964-8-21 1717 Modoc Warner Range, Modoc National Forest, about 5 miles southwest of Eagleville on the Eagleville-Likey Road Comment
  SD46518  Eriogonum nudum var. pubiflorum Robert J. Weatherly 1955-7-8 1637 Modoc 3 miles north of Ft. Bidwell, northern Warner Mts. 1554 Comment
  UCD100701  Eriogonum nudum var. pubiflorum Johnnie L. Gentry Jr.; Earl Jensen Jr. 1968-7-4 2114 Modoc 3.9 miles west of Hwy. jct. CA-139 and CA-299, on CA-299 at Pit River. 1341 Comment
  UCD77673  Eriogonum nudum var. pubiflorum Robert E. Preston 2000-7-17 1395 Modoc Ca. 11 mi nw of Canby, along Hwy 139, T42N R8E Section 3 1490 Comment
  HSC17331  Eriogonum nudum var. pubiflorum M. T. Milligan 1964-7-25 195 Modoc Jess Valley 1.0mi N of S Fork Pit River on Clear Lake Rd. 1677 Comment
  NY762341  Eriogonum nudum var. pubiflorum B. M. Bartholomew 1988-6-23 4245 Modoc 4.2 km northwest of Day. Fall River Mills 15' Quad. Comment
  POM105407  Eriogonum nudum var. pubiflorum R. M. Austin 1895-08 345 Modoc Goose Lake Comment
  SEINET11261515  Eriogonum nudum var. pubiflorum James L. Reveal, Mark L. Reveal 1975-8-14 3947 Modoc Along California Highway 139-299. 1.2 miles southeast of Adin Summit, about 10.5 miles north of Adin and about 31.5 miles southwest of Alturas.; 0 Comment
  UC849762  Eriogonum nudum var. pubiflorum Lewis S. Rose 1940-6-13 40557 Modoc 1 mi w Cedarville 1524 Comment
  CAS-BOT-BC211352  Eriogonum spergulinum var. reddingianum Bruce Bartholomew 1991-8-5 6026 Modoc Summit Trail between Pepperdine and Squaw Peak, W side of Warner Mts. 2190 Comment
  HSC75590  Eriogonum spergulinum var. reddingianum G. M. Riegel 1980-8-6 1000 Modoc South Warner Mtns. 1670 Comment
  CAS-BOT-BC211378  Eriogonum sphaerocephalum var. halimioides M. M. Hanna 1956-6-7 1018 Modoc Highway 139 between Cranby and Tienesta. Comment
  CAS-BOT-BC211386  Eriogonum sphaerocephalum var. halimioides A. D. Borden Modoc S of Shields Creek. Comment
  CAS-BOT-BC211392  Eriogonum sphaerocephalum var. halimioides Barrett Anderson 1986-7-9 3159 Modoc Warner Mts, Hwy 299 just W of Cedar Pass. 1920 Comment
  CAS-BOT-BC211395  Eriogonum sphaerocephalum var. halimioides Annie Montague Alexander; L. Kellogg 1946-8-8 5124 Modoc Patterson Lake Trail, Warner Mts. Comment
  CAS-BOT-BC211420  Eriogonum sphaerocephalum var. halimioides K. Paulson; Robert Paulson 1989-6-14 134 Modoc Ca. 1.5 mi. NE of Cedar Pass, Warner Mts. 1920 Comment
  CAS-BOT-BC211421  Eriogonum sphaerocephalum var. halimioides Roxana Stinchfield Ferris; L. Lorraine 1941-8-14 10594 Modoc 3 mi. from Patterson Ranger Station on road to Eagleville, Warner Mts., Modoc National Forest Comment
  CHSC114015  Eriogonum sphaerocephalum var. halimioides L. P. Janeway 2014-7-7 11439 Modoc Warner Mountains. East side of crest of Warner Mountains 2.3 air-km east of Cedar Pass; along Road 43N07 1.4 road-km east of Stough Reservoir. 2000 Comment
  JEPS126553  Eriogonum sphaerocephalum var. halimioides Lowell Ahart, John Dittes 2016-6-6 20953 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
  NY283124  Eriogonum sphaerocephalum var. halimioides F. M. Ownbey 1940-7-1 2151 Modoc On Talus Slopes, Cedar Peak, Warner Mountains. Comment
  POM268130  Eriogonum sphaerocephalum var. halimioides Marion Ownbey 1940-7-1 2151 Modoc Cedar Peak, Warner Mts. Comment
  POM319185  Eriogonum sphaerocephalum var. halimioides Patricia Wilder 1971-6-20 5096 Modoc Lookout-White Horse Rd., about 3 mi. west of Lookout; north of Bieber and California State Hiway 299. Pit River Drainage, Cascades Mt. Range. 1372 Comment
  RSA739633  Eriogonum sphaerocephalum var. halimioides L. P. Janeway, B. Castro 2008-8-17 9575 Modoc Warner Mtns, 2.4km E of Bald Mtn, broad Saddle betw Daniels Creek and an unnamed northern branch of Soldier Creek. 2209 Comment
  RSA149071  Eriogonum sphaerocephalum var. halimioides I. L. Wiggins, Dorothy B. Wiggins 1961-6-12 16387 Modoc Rocky clay mesa 5 mi. east of California State Highway 299, along Cedar Pass Rd. Comment
  CAS-BOT-BC211355  Eriogonum strictum subsp. anserinum G. D. Hanna; M. M. Hanna 1956-6-5 Modoc Cedar Pass. Comment
  UC1035865  Eriogonum strictum var. anserinum Annie M. Alexander and Louise Kellogg 1946-7-11 4971 Modoc ne corner of mesa w Eight Mile Creek Comment
  CAS-BOT-BC211369  Eriogonum umbellatum Robert Patterson; Mona Bourell 1993-8-15 5257 Modoc Warner Mountains. Along trail from Patterson Lake to ca. 2 mi north towards Pepperdine Trailhead. 2743 Comment
  CAS-BOT-BC211372  Eriogonum umbellatum M. Vasey 1990-6-30 9064 Modoc Along County Road 95 in dried wetland nort of road near Egg Lake. 1500 Comment
  CAS-BOT-BC211375  Eriogonum umbellatum Bruce Bartholomew 1991-8-5 6069 Modoc Summit Trail between Squaw Peak and Cottenwood Lake along crest of Warner Mts. 2530 Comment
  NY399145  Eriogonum umbellatum var. dichrocephalum N. H. Holmgren 1964-8-22 1720 Modoc Warner Range, just below the top of Eagle Peak 3027.9 Comment
  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
  UC1075724  Eriogonum umbellatum var. dumosum Robert J. Weatherby 1955-7-8 1633 Modoc 3 mi n Ft. Bidwell; Warner Mts. 1554 Comment
  CHSC109500  Eriogonum umbellatum var. modocense L. P. Janeway; B. Castro 2012-7-26 11011 Modoc Warner Mountains. Top of Yellow Mountain; topmost part and wster edge (at the edge of a steep dropoff to the northwest). 2463 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
  NY399205  Eriogonum umbellatum var. modocense K. Paulson 1988-5-22 7 Modoc Devil's Garden 1432.6 Comment
  CAS-BOT-BC197791  Eriogonum umbellatum var. nevadense Roxana Stinchfield Ferris; R. Duthie 1919-6-14 87 Modoc Above Parker Creek, near Modoc Nat. Forest Boundary. Comment
  CAS-BOT-BC197793  Eriogonum umbellatum var. nevadense John Thomas Howell 1934-6-13 12106 Modoc North Fork of Barber Creek, Warner Mts. 1828 Comment
  NY399269  Eriogonum umbellatum var. nevadense M. J. Williams 1984-7-1 8487- 6 Modoc Northwest of Alturas, Crowder Flat Road, near Big Sage Reservoir 1371.6 Comment
  CAS-BOT-BC197591  Eriogonum vimineum Clare Butterworth Hardham 7836 Modoc Davis Creek. 1676 Comment
  CAS-BOT-BC197593  Eriogonum vimineum Annie Montague Alexander; L. Kellogg 1946-7-17 4996 Modoc Cedar Pass, Warner Mts. Comment
  CHSC85427  Eriogonum vimineum John Dittes; Josephine Guardino 1991-8-24 460 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.; edge of Highgrade Road. 2087 Comment
  SEINET10299470  Eriogonum vimineum W. L. Jepson 1918-8-16 7851 Modoc Surprise Valley 1372 Comment
  CAS-BOT-BC49565  Eriophyllum lanatum Bruce Bartholomew 1991-8-4 6023 Modoc Vicinity of Pepperdine Camp Ground, W side of the Warner Mts. 2090 Comment
  CAS-BOT-BC49567  Eriophyllum lanatum Alice Eastwood; John Thomas Howell 1940-6-13 8109 Modoc Surprise Valley Comment
  HSC5602  Eriophyllum lanatum var. achilleoides M. T. Milligan 1965-6-27 353 Modoc E slope of eroded volcanic plateau. 1677 Comment
  UC1484471  Eriophyllum lanatum var. achilleoides Dale E. Johnson with J. E. Eckenwalder 1974-6-15 130 Modoc 1.6 w of crossing of Pit River on Hwy 299 (Adin-Canby road) (sw of Canby); Hwy 299, Pit River Comment
  UCD132206  Eriophyllum lanatum var. achilleoides Jack Major 1966-6-24 s.n. Modoc above Goose Lake, west side of Fandango Pass. 1645 Comment
  JEPS6031  Eriophyllum lanatum var. integrifolium Frances D. Payne 1929-6-28 30 Modoc s and e of Alturas; Warner Mountains, Parker Creek 1584 Comment
  UC75807  Eriophyllum lanatum var. integrifolium Milo S. Baker 1893-1 Modoc Forestdale Comment
  UC196835  Eriophyllum pringlei unknown 1878-5-1 Modoc Surprise Valley Comment
  UC1481224 Image available Eryngium mathiasiae Yusuf Sheikh and Lincoln Constance 1973-6-27 551 Modoc on State Hwy 139 9.8 mi wwn <sic> Canby; ; Modoc Co. Comment
  UC1487337  Eryngium mathiasiae Yusuf Sheikh and Lincoln Constance 1973-6-27 552 Modoc s. Lower Roberts Reservoir (at n.w. edge of Lookout, on Old Camp 2 Rd. toward White Horse) Comment
  UC10548  Erysimum capitatum Milo S. Baker 1893-6 Modoc Comment
  CAS-BOT-BC58571  Erysimum capitatum var. capitatum K. Paulson; Robert Paulson 1990-7-2 211 Modoc Dismal Swamp, Warner Mts. Comment
  CDA3715  Erysimum cheiranthoides T. C. Fuller 1958-8-12 2071 Modoc Corporation Ranch, Likely. 0 Comment
  CAS-BOT-BC58337  Erysimum repandum Bruce Bartholomew; Mona Bourell 1990-4-27 5185 Modoc 10.3 km NW of Hwy 299 on Crowder Flat Rd. 1540 Comment
  CAS-BOT-BC58339  Erysimum repandum Alice Eastwood; J. T. Howell 1940-6-12 8095 Modoc Midway between Likely and Alturas. Comment
  CAS-BOT-BC58335  Erysimum repandum Isabelo T. Kelly 1930-1-1 55 Modoc Modoc County. Comment
  CAS-BOT-BC229907  Erythranthe breweri Bruce Bartholomew 1991-7-7 6004 Modoc SE end of Sweargart Flat. 1820 Comment
  CAS-BOT-BC229918  Erythranthe guttata Elmer Ivan Applegate 1932-7-31 7970 Modoc Mill Creek Meadows. Comment
  CAS-BOT-BC234529  Erythranthe lewisii Leland S. Smith 1917-7-29 125 Modoc Mill Creek above Cedarville. 1981 Comment
  CAS-BOT-BC234501  Erythranthe microphylla K. Paulson; Robert Paulson 1988-6-19 44 Modoc Near Cottonwood Flat. 1539 Comment
  CAS-BOT-BC234503  Erythranthe microphylla Edward Kent Balls 1950-5-18 14752 Modoc N of Upper Rush Creek Public Camp, 2.5 mi. E of Hwy 299. 1737 Comment
  CAS-BOT-BC234466  Erythranthe pulsiferae Clare Butterworth Hardham 1961-6-17 7514 Modoc Cedar Pass Camp Ground. Comment
  CAS-BOT-BC234470  Erythranthe pulsiferae K. Paulson 1978-6-24 s.n. Modoc Egg Lake. Comment
  CAS-BOT-BC234436  Erythranthe tilingii V. J. Wetherell 1961-8-9 483 Modoc Stowe Reservoir Campground, 1 mi. E of Cedar Pass. 1828 Comment
  CAS-BOT-BC190751  Eschscholzia californica Bruce Bartholomew 1989-7-14 4968 Modoc E side of Lower Roberts Reservoir and ca. 3 km NNE of Lookout. 1300 Comment
  CAS-BOT-BC190753  Eschscholzia californica Elmer Ivan Applegate 1936-7-5 10530 Modoc Hospital Rock, Lave Beds National Monument. Comment
  CAS-BOT-BC402921  Eschscholzia californica Elmer I. Applegate 1935-6-12 9523 Modoc Lava Beds National Monument. Caldwell Butte, south slope Comment
  CAS-BOT-BC218205  Euphorbia crenulata Leland S. Smith 1924-6-21 1426 Modoc Along Lava Trail, W Lava Ranger Station. Comment
  CDA19882  Euphorbia crenulata C. Pirosko 2002-7-1 s.n. Modoc Northern California; Long Bell, USFS Plantation off County Rd 91. 0 Comment
  CAS-BOT-BC95718  Euphorbia serpillifolia M. Vasey 1990-6-30 9027 Modoc Around NW margin of Egg Lake. 1300 Comment
  UC17627  Euphorbia spathulata Milo S. Baker 1894-6-15 Modoc Little Hot Spring Valley Comment
  CAS-BOT-BC15161  Eurybia integrifolia Bruce Bartholomew; Barrett Anderson 1990-7-20 5508 Modoc Tamarack Flat, E side of Warner Mts. 2150 Comment
  JEPS89450  Eurybia integrifolia Dean Wm. Taylor with Glenn L. Clifton 1989-8-5 10448 Modoc cirque headwall above South Emerson Lake (Emerson Creek drainage, Warner Mountains); Warner Mountains 2560 Comment
  UC1024985  Festuca idahoensis Leo Whitney 1935-7-5 3408 Modoc ca 15 mi nw Canby; Modoc National Forest, Hackamore 1463 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
  CDA28212  Festuca idahoensis A. A. Beetle 1941-6-29 2833 Modoc Near summit of Mt. Adin. Comment
  JEPS69238  Festuca idahoensis Leland S. Smith 1917-7-15 860 Modoc Comment
  SEINET10559251  Festuca idahoensis Alan A. Beetle 1941-6-29 Beetle 2833 Modoc Near summit of Mt. Adin, sandy soil in open forest. 1829 Comment
  UC1024997  Festuca pratensis Leo Whitney 1935-7-7 3389 Modoc 4 mi nw Canby; Howard Gulch Comment
  UC1037180  Festuca pratensis Leo Whitney 1935-8-18 3614 Modoc Comment
  JEPS69267  Festuca supina Leland S. Smith 1918-1 865 Modoc Comment
  NY1101590  Floerkea proserpinacoides B. M. Bartholomew 1992-5-16 6323 Modoc Lunsford Spring 1600 Comment
  RSA165632  Floerkea proserpinacoides Clare B. Hardham 1961-6-17 s.n. Modoc Cedar Pass Camp Ground, Warner Mountains. Comment
  SEINET5356110  Floerkea proserpinacoides M. J. Williams 1984-6-30 84- 80 -1 Modoc Warner Mtns., Granger Canyon Road, 6.8 mi W of Cedarville-Gerlach road 1981 Comment
  UC72969  Fragaria virginiana subsp. platypetala Milo S. Baker 1893-1 Modoc Forestdale Comment
  CAS-BOT-BC217076  Frangula rubra Bruce Bartholomew 1989-7-14 4969 Modoc E side of Lower Roberts Reservoir and ca. 3 km NNE of Lookout. 1300 Comment
  CHSC117012  Frasera albicaulis var. modocensis Lowell Ahart; John Dittes 2016-6-6 20954 B Modoc About 40 yardswest of the dirt road, about 50 yards southwest of the intersection of County Road 87and Access Road to Pilot Butte Parking Area northeastbase of Pilot Butte, 3.8 miles (air) east of Lookout, .5 miles (air) west of Adin, Ash Creek State Wildlife Area 1271 Comment
  CAS-BOT-BC242105  Fritillaria atropurpurea Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16414 A Modoc Near sumit of Cedar Pass between Alturas and Cedarville. 1927 Comment
  RSA59801  Fritillaria atropurpurea E. K. Balls 1950-5-17 14735 Modoc Howards Gulch Public Camp, off Hwy. 139. N.W. of Canby. 1433 Comment
  UC429286  Fritillaria atropurpurea M. F. Gilman 554 Modoc Modoc Mountains 1981 Comment
  CAS-BOT-BC242097  Fritillaria pudica Bruce Bartholomew; Barrett Anderson 1989-4-28 4657 Modoc 9 km N of State Highway 299 and ca 1.5 km SE Raker & Thomas Reservoir. 1500 Comment
  CAS-BOT-BC242102  Fritillaria pudica Leland S. Smith 1917-6-9 36 Modoc Jess Valley. 1524 Comment
  UCD139709  Fritillaria pudica R. N. Raynor 1940-4-13 s.n. Modoc Joseph Creek. Comment
  SJSU5115  Fritillaria pudica A. G. Gunderson 1970-3-28 Modoc by Highway 292, 20 mi SW of Alturas 1524 Comment
  CAS-BOT-BC49569  Gaillardia pulchella Bruce Bartholomew 1991-10-13 6126 Modoc Ca. 1.5 km SE of Adin on County Road 88. 1240 Comment
  CAS-BOT-BC225049  Galium aparine Robert J. Weatherby 1955-7-8 1623 Modoc 6 mi. N of Ft. Bidwell. 1737 Comment
  CAS-BOT-BC248317  Galium aparine B. Bartholomew; H. Sun 2002-6-24 8862 Modoc Fandango Pass on the E side of the Warner Mountains near the crest of the mountains 1820 Comment
  HSC80761  Galium aparine G. M. Riegel 1980-7-24 935 Modoc South Warner Mtns. 2100 Comment
  CAS-BOT-BC248326  Galium bifolium B. Bartholomew; H. Sun 2002-6-24 8821 Modoc Just SW of Manzanita Mt. and ca. 15 straight line km NW of Aden 2000 Comment
  CAS-BOT-BC225068  Galium glabrescens subsp. modocense Bruce Bartholomew 1995-9-3 7189 Modoc Steep sagebrush covered slope NW of North Emerson Lake, E side of Warner Mountains. 2400 Comment
  CAS-BOT-BC248365  Galium glabrescens subsp. modocense B. Bartholomew; H. Sun 2002-6-24 8848 Modoc E of Bald Mt., on the E side of the Warner Mountains 2130 Comment
  HSC80868  Galium glabrescens subsp. modocense G. M. Riegel 1980-8-28 1100 Modoc S Warner Mtns., S Warner Wilderness Area 2676 Comment
  RSA165568  Galium glabrescens subsp. modocense Clare B. Hardham 1961-6-18 7540 Modoc 3.2 miles east of Summit of Cedar Pass Comment
  UC1485928  Galium glabrescens subsp. modocense Gregg M. Riegel 1980-8-28 1117 Modoc 1/2 mi e Owl Creek Trail (near summit); Modoc Nat. Forest, S Warner Mt. Wilderness Area 2511 Comment
  UCSB48876  Galium glabrescens subsp. modocense Hardham, Clare 1961-6-18 Modoc 3.2 miles east of SUmmit of Cedar Pass Comment
  HSC19827  Galium mexicanum var. asperulum M. T. Milligan 1966-7-25 577 Modoc E of Jess Valley 1707 Comment
  UC71833  Galium mexicanum var. asperulum Mrs. M. H. Manning 486 Modoc near Fort Bidwell (ne Modoc Co.) Comment
  UC416661  Galium mexicanum var. asperulum Mrs. M. H. Manning 1904-7-9 488 Modoc John Henry Hill John Henry Hill (ne Modoc Co.) 2133 Comment
  CAS-BOT-BC225079  Galium multiflorum Annie Montague Alexander; L. Kellogg 1946-7-5 4909 Modoc Lava cliff W of Lower Lake. Comment
  CAS-BOT-BC225080  Galium serpenticum subsp. warnerense Louis Cutter Wheeler 1935-8-6 3794 Modoc edge of Warner Mts., 0.25 mi. E Pine Creek (town). 1554 Comment
  CAS-BOT-BC225081  Galium serpenticum subsp. warnerense Clare Butterworth Hardham 1961-6-20 7865 Modoc Mouth of Pine Creek Canyon. Comment
  HSC19846  Galium trifidum subsp. subbiflorum M. T. Milligan 1966-7-27 591 Modoc E of Jess Valley 1646 Comment
  CAS-BOT-BC225083  Galium triflorum Bruce Bartholomew; Barrett Anderson 1988-7-21 4429 Modoc Whipple Spring, E side of Whitehorse Flat Reservoir. 1340 Comment
  HSC89840  Galium triflorum Gary Schoolcraft 1980-7-22 326 Modoc About half way up Lake City Canyon W of Lake City 1890 Comment
  RSA67245  Gayophytum decipiens P. A. Munz 1951-9-14 16982 Modoc Cedar Pass, Warner Mountains 1921 Comment
  UC1075754  Gayophytum decipiens Robert J. Weatherby 1955-7-8 1609 B Modoc 7 mi n Ft. Bidwell 1874 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
  CAS-BOT-BC190840  Gayophytum diffusum subsp. parviflorum Bruce Bartholomew; Barrett Anderson 1990-7-20 5482 Modoc 10.3 km N of Buck Creek Ranger Station, crest of Warner Mountains W side of Warner Mts. 2130 Comment
  CAS-BOT-BC190841  Gayophytum diffusum subsp. parviflorum Elmer Ivan Applegate 1932-8-3 8104 Modoc E branch of Mill Creek, western slope of Warner Mts. Comment
  CAS-BOT-BC190850  Gayophytum diffusum subsp. parviflorum Bruce Bartholomew; Barrett Anderson 1988-7-21 4402 Modoc 2.1 km SSE of Day on the road to state Highway 299. 1020 Comment
  CAS-BOT-BC190851  Gayophytum diffusum subsp. parviflorum Bruce Bartholomew; Barrett Anderson 1988-7-22 4493 Modoc Vicinity of East Creak Trailhead, southern end of the Warner Mts. 2210 Comment
  CAS-BOT-BC190853  Gayophytum diffusum subsp. parviflorum Bruce Bartholomew; Barrett Anderson 1990-7-21 5585 Modoc Homestead Flat, ca. 2.5 km E of Patterson Ranger Station, E side of Warner Mts. 2160 Comment
  RSA31283A  Gayophytum diffusum subsp. parviflorum Frances D. Payne 1934-8-29 s.n. Modoc Parker Creek 1585 Comment
  RSA563217  Gayophytum diffusum subsp. parviflorum Bruce Bartholomew, B. Anderson 1990-7-21 5585 Modoc Homestead Flat, ca. 2.5 km E of Patterson Ranger Station, E side of Warner Mts. 2160 Comment
  RSA504829  Gayophytum heterozygum Bruce Bartholomew, B. Anderson 1988-7-21 4402 Modoc 2.1 km SSE of Day on the road to state Highway 299 1020 Comment
  CAS-BOT-BC190828  Gayophytum racemosum Mrs. H. C. Cantelow 1935-6-8 919 pp Modoc S of Marlin. Comment
  UC1192240  Geranium viscosissimum Verne Grant and Irving Schneider 1947-7-22 8145 Modoc about 1 mi n Highway 395 junction with Cedarville road (on Highway 395); North Fork of Pit River Comment
  HSC18640  Geum triflorum M. T. Milligan 1964-6-17 40 Modoc 1 mi. N of Hwy. 139 on FS Rd. 44N15 1524 Comment
  UC1607688  Geum triflorum Barbara Ertter 1988-6-18 7627 Modoc 14.5 mi ene of jct Hwy 299 at Canby (n of Bessler Reservoir, Hwy 139) 1463 Comment
  HSC80689  Geum triflorum G. M. Riegel 1980-8-13 1064 Modoc S Warner Mtns. 1829 Comment
  UCD113307  Geum triflorum Geo C. Wood 1940-4-24 s.n. Modoc Spaulding Ranch, 20 miles n.e. of Alturas. 1371 Comment
  RSA59708  Geum triflorum var. ciliatum E. K. Balls 1950-5-20 14792 Modoc South Fork Public Camp, South Fork Pit River, Likely to Clear Lake. 1433 Comment
  CAS-BOT-BC190706  Gilia brecciarum subsp. brecciarum Elmer Ivan Applegate 1936-5-12 10284 Modoc Top of Petroglyph Butt, Lava Bed National Monument. Comment
  NY964515  Gilia leptomeria var. micromeria B. M. Bartholomew 1990-6-17 5336 Modoc Surprise Valley, SE corner of Upper Alkali Lake. 1390 Comment
  NY964518  Gilia leptomeria var. micromeria B. M. Bartholomew 1989-6-2 4820 Modoc Sand dunes at the southeast corner of Upper Alkali Lake, east side of Surprise Valley 1400 Comment
  UCD117558  Glaux maritima John C. Hays 1950-1 s.n. Modoc Surprise Valley. 1402 Comment
  HSC10710  Glyceria elata M. T. Milligan 1966-6-30 511 Modoc Slopes and ridges E of Jess Valley 1768 Comment
  JEPS69275  Glyceria elata Leland S. Smith 1918-8-18 1040 Modoc South Fork East Creek; Modoc National Forest, Eagle Peak Range 2499 Comment
  HSC67887  Gnaphalium palustre J. P. Smith, J. O. Sawyer 1973-8-9 7260 Modoc Blue Lake, Modoc National Forest. 1829 Comment
  JEPS6008  Gnaphalium palustre Frances D. Payne 1935-7-19 787 Modoc mouth of Dry Creek Warner Mountains, Parker Creek, Dry Creek (tributary of Parker Creek, s and e of Alturas) Comment
  CAS-BOT-BC242179  Goodyera oblongifolia Leland S. Smith 1917-9-17 160 Modoc Field redacted by CAS, contact the data manager for more information 2133 Comment
  CAS-BOT-BC242180  Goodyera oblongifolia Bruce Bartholomew 1994-7-3 6827 Modoc Field redacted by CAS, contact the data manager for more information 1610 Comment
  UCD149973  Gratiola ebracteata Harry George 1967-6-15 s.n. Modoc West of Lookout. Comment
  RSA0045635  Gratiola neglecta Lowell Ahart, John Dittes 2008-6-21 14993 Modoc North of the large culvert, east of the large levee, in Big Valley, about 2.8 miles (air) north of the Headquarters at Ash Creek State Wildlife Area,, about 5.4 miles (air) northeast of Bieber. 1255 Comment
  CAS-BOT-BC95533  Grayia spinosa Bruce Bartholomew; Barrett Anderson 1989-4-29 4684 Modoc 9-11 km E of Fort Bidwell on road to Fee Reservoir, NE corner of Surprise Valley. 1580 Comment
  CAS-BOT-BC95536  Grayia spinosa Bruce Bartholomew 1990-6-17 5292 Modoc Surprise Valley, W side of Lower Alkali Lake, 5.6 km N of Lassen County border. 1370 Comment
  CHSC112840  Grindelia nana Lowell Ahart; John Dittes 2013-7-25 18963 Modoc 30 yards north of the east-west fence, south edge of Ash Creek Floodplain, northeast of Patterson Homestead, east of Elkins Lane, 1.0 mile (air) south of County Road 87, 3.14 miles (air) west of Adin, Big Valley. 1267 Comment
  CHSC85168  Grindelia nana John Dittes; Josephine Guardino 1991-8-23 448 Modoc Modoc Plateau; Big Valley; Ash Creek Wildlife Area; ca. 7.7 air-miles northeast of Bieber, ca. 4.0 air-miles west by southwest of Adin, ca. 5.0 air-mile east by southeast of Pilot Butte summit, ca. 0.6 mile east of Walters Road and Owl Barn; meadow at southern edge of Ash Creek Floodplain. 1271 Comment
  CAS-BOT-BC497195  Hackelia micrantha E. Joyal; D. Mehlman 1988-6-28 1291 Modoc N. Warner Mts., ridge road Comment
  CHSC117236  Helianthus annuus Lowell Ahart; John Dittes 2016-7-16 21244 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
  JEPS5938  Helianthus cusickii Frances D. Payne 1932-6-27 617 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  POM261369  Helianthus cusickii H. C. Cantelow 1940-5-31 s.n. Modoc 3 miles east of Canby Comment
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Jul 31 2007
  HSC3673  Heliotropium curassavicum var. oculatum D. E. Anderson 1962-8-6 2329 Modoc 1 mi. S of Alturas, along 395 Comment
  CAS-BOT-BC21465  Heracleum lanatum Bruce Bartholomew; Barrett Anderson 1990-7-20 5542 Modoc Buck Creek between Del Pratt Spring and Howard Flat, W side of Warner Mts. 1990 Comment
  CAS-BOT-BC21467  Heracleum lanatum Bruce Bartholomew 1989-8-11 5068 Modoc Along Lassen Creek near SE side of Harris Flat, Warner Mountains. 1920 Comment
  CAS-BOT-BC21469  Heracleum lanatum Roxana Stinchfield Ferris; R. Duthie 1919-6-15 163 Modoc Parker Creek at Modoc National Forest boundary. Comment
  RSA0128984  Hesperochiron californicus Bruce Bartholomew, B. Anderson 1988-5-14 4209 Modoc Southwest corner of Big Sage Reservoir. 1500 Comment
  HSC6399  Hesperochiron pumilus M. T. Milligan 1964-5-9 35 Modoc 10 mi. N of Hwy. 139 on FS Rd. 44N15 1524 Comment
  RSA59731  Hesperochiron pumilus E. K. Balls 1950-5-17 14739 Modoc Howard s Gulch Public Camp, off Highway 139. 1433 Comment
  UC24123  Hesperochiron pumilus Milo S. Baker Jun 8 1893-Jun 25 1893 Modoc Comment
  UC1055935  Heteranthera dubia Herbert L. Mason 1955-8-14 14658 Modoc below Canby; Pit River Comment
  UC1536816  Heteranthera dubia Gordon H. True Jr. 1939-7-19 1007 Modoc near Canby Pit R. Comment
  CAS-BOT-BC225799  Heuchera cylindrica Bruce Bartholomew 1992-8-8 6375 Modoc Vicinity of Patterson Lake, E side of Warner Mountains. 2750 Comment
  NY541342  Heuchera cylindrica B. M. Bartholomew 1990-7-20 5493 Modoc 10.3 km north of Buck Creek Ranger Station, crest of Warner Mountains, west side of Warner Mountains 2130 Comment
  NY541345  Heuchera cylindrica L. C. Wheeler 1935-8-7 3804 Modoc Pine Creek, Warner Mountains 1554.5 Comment
  JEPS49738  Heuchera cylindrica var. glabella Milo S. Baker 1893-8-8 Modoc near Medicine Lake 2743 Comment
  JEPS43514  Heuchera cylindrica var. ovalifolia B. M. Payne 1930-5-11 759 Modoc s and e Alturas (Parker Creek); Warner Mountains 1584 Comment
  CAS-BOT-BC49513  Hieracium albiflorum Bruce Bartholomew; Barrett Anderson 1990-7-19 5419 Modoc Top of Hunters Ridge S of Rush Creek. 1960 Comment
  CAS-BOT-BC49510  Hieracium albiflorum Annie Montague Alexander; L. Kellogg 1946-6-15 5117 Modoc Deep Creek, Warner Mountains Comment
  HSC81132  Hieracium albiflorum G. M. Riegel 1980-8-13 1058 Modoc South Warner Mtns. 1670 Comment
  JEPS36585  Hieracium nudicaule Milo S. Baker 1893-7-3 Modoc Comment
  CAS-BOT-BC316025  Hieracium scouleri Elmer I. Applegate 1935-6-8 9425 Modoc Bear Paw Cave, Lava Beds National Monument Comment
  CAS-BOT-BC49482  Hieracium scouleri Roxana Stinchfield Ferris; L. Lorraine 1941-8-14 10578 Modoc 3 mi. from Patterson Ranger Station on road to Eagleville, Warner Mtns., Modoc N.F. Comment
  CAS-BOT-BC49516  Hieracium scouleri Elmer Ivan Applegate 1932-8-7 8236 Modoc Lily Lake, Bidwell Pass, Warner Mountains Comment
  HSC10243  Holcus lanatus M. T. Milligan 1965-6-26 313 Modoc N end Jess Valley. 1616 Comment
  SEINET191602  Holodiscus discolor var. glabrescens Marion Ownbey, Fred G. Meyer 1940-7-1 2155 Modoc Cedar Peak, Warner Mts. Comment
  CAS-BOT-BC214687  Holodiscus microphyllus var. glabrescens Elmer Ivan Applegate 1932-7-9 7612 Modoc Bidwell Mt., Warner Mts. Comment
  CAS-BOT-BC214701  Holodiscus microphyllus var. glabrescens A. D. Borden 1911-7-28 s.n. Modoc Top rim S side of Parker Creek. Comment
  CAS-BOT-BC214703  Holodiscus microphyllus var. glabrescens Alice Eastwood; John Thomas Howell 1940-6-12 8062 Modoc Between Likely and Jess Valley. Comment
  CAS-BOT-BC247678  Hordeum jubatum Bruce Bartholomew; Barrett Anderson 1990-7-20 5454 Modoc Margin of Goose Lake at S end of the causeway to McGinty Point. 1440 Comment
  UC73032  Horkelia tridentata subsp. tridentata Milo S. Baker 1893-1 Modoc Lava Beds Comment
  CAS-BOT-BC179331  Hydrophyllum capitatum var. alpinum Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16407 Modoc Cedar Pass Campground, 3 mi. E of Thoms Creek bridge. Comment
  CAS-BOT-BC179333  Hydrophyllum capitatum var. alpinum Elmer Ivan Applegate 1932-7-9 7588 Modoc N slope of Bidwell Mountain. Comment
  CAS-BOT-BC180024  Hydrophyllum capitatum var. alpinum Roxana Stinchfield Ferris; R. Duthie 1919-6-14 80 Modoc Parker Creek. Comment
  HSC68926  Hydrophyllum capitatum var. alpinum Gary Schoolcraft 1980-4-29 208 Modoc Harper Hill N of Adin 1402 Comment
  JEPS1629  Hydrophyllum capitatum var. alpinum L. S. Smith 1919-6-1 1107 Modoc Deep Creek ranger station; Warner Mts. 1508 Comment
  UCR18720  Hydrophyllum capitatum var. alpinum Frank C. Vasek 1975-5-21 750521- 02 Modoc Timbered Mtn. About 25 mi north of Aden 1653 Comment
  RSA59725  Hydrophyllum capitatum var. alpinum E. K. Balls 1950-5-18 14747 Modoc Above Upper Rush Creek Public Camp, 2.5 miles east from Highway 299. 1829 Comment
  CHSC109445  Hymenoxys hoopesii L. P. Janeway; B. Castro 2012-7-24 10972 Modoc Warner Mountains. Northwestern flank of Mount Bidwell; 1.2 air km south of Dismal Swamp. 2362 Comment
  CHSC109485  Hymenoxys hoopesii L. P. Janeway; B. Castro 2012-7-25 10978 Modoc Warner Mountains. Slope along north side of Dismal Swamp. 2216 Comment
  SEINET11259591 Image available Hymenoxys hoopesii D. A Charlet 1989-8-15 496 Modoc Warner Mountains, 1.2 km northwest of Eagle Peak 2550 Comment
  CAS-BOT-BC179906  Hypericum anagalloides Bruce Bartholomew 1989-8-11 5055 Modoc Along W side of Goose Lake, 12.4 km N of McGinty Point on National Forest Road 48. 1430 Comment
  CAS-BOT-BC179891  Hypericum scouleri Bruce Bartholomew; Barrett Anderson 1990-7-21 5567 Modoc N Barber Creek, road from Surprise Valley to Patterson Ranger Station, E side of Warner Mts. 1710 Comment
  POM143736  Idahoa scapigera Mrs. R. M. Austin 1894-05 s.n. Modoc Goose Lake Valley. Comment
  UCD150424  Idahoa scapigera Harry A. George 1967-6-15 s.n. Modoc S. of Adin. Comment
  UC908149  Ipomopsis aggregata F. H. Frost 155 Modoc Eagle Peak Warner Mtns Comment
  UC449787  Ipomopsis congesta M. F. Gilman 510 Modoc Comment
  SJSU8827  Ipomopsis congesta subsp. montana H. L. Buckalew 1961-7-1 Modoc lower slopes Cedar Mt, Warner Mts 2194 Comment
  RSA181832  Iris missouriensis H. N. Metcalf, Jack C. Wilson 1965-7-1 65 -22 Modoc Likely, in a canyon in foothills of Warner Mountains 1646 Comment
  JEPS121201  Isatis tinctoria Lowell Ahart, John Dittes 2013-7-25 18962 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
  JEPS89838  Isoetes bolanderi Dean W. Taylor 1992-5-8 12571 Modoc ca. 1.5 air mi. s. of Oregon State Line Pine Creek Canyon; Warner Mts., Pine Creek Canyon 1554 Comment
  RSA639344  Isoetes howellii L. C. Wheeler 1935-10-6 4025 Modoc Lily Lake, Pine Creek. (Mt. Diablo Mer.) 2073 Comment
  SEINET6164860  Isoetes howellii M. Lavin, K. Warren 1979-9-2 s.n. Modoc South Warner Wilderness Area, along N edge of N Emerson Lake 2438 Comment
  CDA13471  Iva axillaris subsp. robustior G. F. Hrusa, T. D. Wilfred 1996-7-21 13318 Modoc Modoc Plateau; adjacent to Pit River at Modoc Co. Rd. 90 bridge. E base of Splawn Mtn. N end of Big Valley. Comment
  RSA768063  Iva axillaris subsp. robustior L. Ahart, John Dittes 2010-8-30 17085 Modoc 20 yrds north of 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 air miles west of Adin, about 7.2 air miles northeast of Bieber, Big Valley. 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
  UC1553372  Ivesia gordonii Sch/Yor/Hor/Ach 1988-7-16 1833 Modoc e slope Squaw Peak; Warner Mountains 2560 Comment
  HSC80694  Ivesia gordonii var. ursinorum G. M. Riegel 1980-8-9 1014 Modoc S Warner Mtns. 1829 Comment
  CAS-BOT-BC245073  Juncus bufonius Roxana Stinchfield Ferris; L. Lorraine 1941-8-14 10603 Modoc 8.5 mi. from Patterson Ranger Station on Eagleville road. Comment
  CHSC112774  Juncus bufonius var. congestus Lowell Ahart; John Dittes 2013-7-24 18929 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-BC245071  Juncus bufonius var. occidentalis Louis Cutter Wheeler 1935-8-1 3738 Modoc Dismal Swamp. 2225 Comment
  CHSC112812  Juncus bufonius var. occidentalis Lowell Ahart; John Dittes 2013-7-24 18930 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
  CHSC100190  Juncus ensifolius John Dittes; Josephine Guardino 1991-8-24 461 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
  UC1601861  Juncus ensifolius Baker and Nutting 1894-7-28 Modoc Bridge Creek Comment
  CAS-BOT-BC245050  Juncus hemiendytus var. hemiendytus Bruce Bartholomew 1993-6-12 6600 Modoc Tom Large Flat, W of Egg Lake. 1260 Comment
  CAS-BOT-BC245051  Juncus hemiendytus var. hemiendytus Bruce Bartholomew 1991-7-4 5906 Modoc Roney Flat. 1460 Comment
  CAS-BOT-BC245053  Juncus hemiendytus var. hemiendytus Louis Cutter Wheeler 1935-8-1 3739 Modoc Dismal Swamp. 2225 Comment
  RSA577912  Juncus hemiendytus var. hemiendytus L. C. Wheeler 1935-8-1 3739 Modoc Dismal Swamp. Twenty Mile Creek, Warner Mountains. 2226 Comment
  HSC14092  Juncus nevadensis M. T. Milligan 1965-6-23 310 Modoc N end Jess Valley 1616 Comment
  UC1142957  Juncus nevadensis A. L. Hormay 1941-6-23 32 Modoc Spaulding Reservoir Modoc National Forest Comment
  UC1601791  Juncus nevadensis Baker and Nutting 1894-1 Modoc Comment
  UCR67433A  Juncus saximontanus George K. Helmkamp 1990-9-23 J- 12 Modoc Warner Mtns, Goose Lake, within 0.1 mi of the Oregon border 1476 Comment
  CAS-BOT-BC245041  Juncus torreyi Robert Folger Thorne; et al 1969-9-4 39067 Modoc SW shore of Goose Lake N of McGinty Point. 1432 Comment
  CAS-BOT-BC245040  Juncus torreyi R. M. Austin 1885-8-1 s.n. Modoc Shore of Goose Lake. Comment
  UC1036072  Juniperus communis Annie M. Alexander and Louise Kellogg 1946-7-29 5091 Modoc Head of Eagle Creek Warner Mountains, Eagle Creek (foot of rockslide under lodgepole pine) Comment
  CAS-BOT-BC81210  Juniperus occidentalis John Thomas Howell 1934-6-16 12208 B Modoc Parker Creek, Warner Mts. 1584 Comment
  JEPS48240  Juniperus occidentalis F. H. Frost 1925-7-11 26 Modoc Cedar Canyon campsite 2 mi above Cedarville Comment
  CAS-BOT-BC95672  Kalmia polifolia Robert J. Weatherby 1955-7-7 1598 Modoc Mineral Spring, near Dismal Swamp, Warner Mountains 2331 Comment
  CAS-BOT-BC248332  Kelloggia galioides B. Bartholomew; H. Sun 2002-6-24 8817 Modoc Ridge top just S of Manzanita Mt. and 15.3 straight line km NW of Aden 2070 Comment
  RSA612598  Kelloggia galioides Louis C. Wheeler 1935-8-14 3836 Modoc Pine Creek. Warner Mtns. 2012 Comment
  CAS-BOT-BC95540  Kochia americana Bruce Bartholomew; Barrett Anderson 1989-6-2 4832 Modoc 6.4 km E of Eagleville on the road to the California state border, E side of Surprise Valley. 1550 Comment
  CAS-BOT-BC247642  Koeleria macrantha Roxana Stinchfield Ferris; R. Duthie 1919-6-13 63 Modoc Above Parker Creek near Modoc National Forest boundary. Comment
  CAS-BOT-BC247645  Koeleria macrantha Leland S. Smith 1924-6-9 1396 Modoc Egg Lake. Comment
  UCD85784  Koeleria macrantha Beecher Crampton 1960-6-17 5694 Modoc McKay Flat, 13 miles west of Canby, 2.5 miles N.E. Happy Camp Station. 1280 Comment
  CAS-BOT-BC49492  Lactuca serriola James D. Jokerst 1983-7-27 1900 Modoc Near Signal Butte. 1340 Comment
  CHSC106339  Lactuca serriola Lowell Ahart; John Dittes 2010-8-30 17073 A Modoc About 15 yards west of the fence, south edge of the meadow, Ash Creek State Wildlife Area, 2,300 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  JEPS121203  Lactuca serriola Lowell Ahart, John Dittes 2013-7-25 18947 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
  HSC81135  Lagophylla ramosissima G. M. Riegel 1980-8-6 995 Modoc South Warner Mtns. 1670 Comment
  JEPS119677  Lagophylla ramosissima subsp. ramosissima Lowell Ahart, John Dittes 2012-7-12 18376 Modoc On the east side of Elkins Lane, about 100 yards north of the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. Comment
  JEPS63245  Lamium amplexicaule L. S. Smith 1919-5-7 1093 Modoc Jess Valley; Warner Mts. Comment
  CAS-BOT-BC54065  Lappula redowskii C. C. (Mrs.) Bruce 1894-9-1 34 Modoc Davis Creek. Comment
  CAS-BOT-BC54067  Lappula redowskii C. C. (Mrs.) Bruce 1893-6-1 85 Modoc Davis Creek. Comment
  CAS-BOT-BC54069  Lappula redowskii Leland S. Smith 1922-10-22 1337 Modoc Below rim E side Tule Lake. 1341 Comment
  CAS-BOT-BC49452  Lasthenia glaberrima Bruce Bartholomew 1991-10-12 6110 Modoc Ash Creek, 1.8 km S of County Rd. 87 on County Rd. 87A. 1280 Comment
  UC1037328  Lathyrus brownii Leo Whitney 1934-4-29 1922 Modoc near Hackamore; Modoc National Forest 1463 Comment
  SD46422  Lathyrus lanszwertii var. lanszwertii Robert J. Weatherby 1955-7-8 1621 Modoc Northern Warner Mountains, 6 miles north of Fort Bidwell, dry hillsides 1783 Comment
  UC15395  Lathyrus lanszwertii var. lanszwertii Mrs. R. M. Austin and Bruce Jul 1898 2224 Modoc Comment
  CAS-BOT-BC181974  Lathyrus rigidus R. M. Austin 1894-5-1 Modoc Goose Lake Valley. Comment
  NY716853  Lathyrus rigidus W. Larkin 04 1920 s.n. Modoc Goose Lake Valley Comment
  CAS-BOT-BC245028  Lemna Bruce Bartholomew; Barrett Anderson 1989-6-2 4793 Modoc Surprise Valley Road, just S of the Oregon border, extreme NE corner of Modoc County. 1630 Comment
  CAS-BOT-BC88679  Lepidium acutidens Alice Eastwood; John Thomas Howell 1940-6-11 8019 Modoc Near Canby. Comment
  CHSC106184  Lepidium campestre Lowell Ahart; John Dittes 2010-8-31 17109 Modoc About 40 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
  JEPS117373  Lepidium campestre Lowell Ahart, John Dittes 2010-8-30 17079 Modoc On the north side of a wash, about 150 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
  CAS-BOT-BC58345  Lepidium dictyotum var. dictyotum Bruce Bartholomew 1991-5-24 5692 Modoc Surprise Valley, 5.1 km E of Eagleville. 1370 Comment
  NY23161  Lepidium dictyotum var. dictyotum B. M. Bartholomew 1995-5-13 6904 Modoc East of Eagleville near Eagleville Airport, south end of Surprize Valley 1390 Comment
  UC398778  Lepidium montanum var. canescens Mrs. Austin 1888-1 336 Modoc s of Alturas; Pit River Comment
  CAS-BOT-BC58347  Lepidium perfoliatum F. Angwin 1945-10-7 Modoc Big Valley near Adin. 1280 Comment
  CAS-BOT-BC58349  Lepidium perfoliatum E. S. Willits 1940-5-17 273 Modoc Willow Ranch. Comment
  CAS-BOT-BC58350  Lepidium perfoliatum M. M. Hanna 1956-6-4 Modoc 6 mi. N of Alturas, Cedar Pass Road. Comment
  CAS-BOT-BC58303  Lepidium virginicum K. Paulson; Robert Paulson 1989-7-18 198 Modoc Vicinity of Granger Creek, E side of Warner Mts. 1790 Comment
  OBI48893  Leptosiphon harknessii Lewis S. Rose 1940-6-14 Modoc 8 mi. nw. of Canby. 1524 Comment
  CHSC109492  Leptosiphon nuttallii subsp. nuttallii L. P. Janeway; B. Castro 2012-7-26 11002 Modoc Warner Mountains. Along dirt road west of and above Little Lily Lake 2.3 air km north of Mt. Vida. 2280 Comment
  CAS-BOT-BC242077  Leucocrinum montanum E. S. Willits 1940-4-21 188 Modoc Near quarantine station, Alturas. Comment
  JEPS61978  Leucocrinum montanum Mary H. Manning c. 1912 Modoc Ft. Bidwell Comment
  UC1037302  Leucocrinum montanum Leo Whitney 1934-4-15 1615 Modoc near Hackamore; Modoc National Forest 1463 Comment
  JEPS4015  Leucocrinum montanum L. S. Smith 1917-5-21 1 Modoc West Valley; Warner Mts. 1981 Comment
  UC13773  Leucocrinum montanum Milo S. Baker c. 1893 Modoc Modoc or Lassen County Comment
  CAS-BOT-BC197456  Lewisia nevadensis Bruce Bartholomew 1994-7-2 6804 Modoc 5.5 km SE of Forest Service road 30 on road towards Bald Mountain, E side of the Warner Mts. 2230 Comment
  CAS-BOT-BC197460  Lewisia nevadensis Annie Montague Alexander; L. Kellogg 1946-6-15 4780 Modoc Deep Creek. 2194 Comment
  CAS-BOT-BC197461  Lewisia nevadensis Bruce Bartholomew 1994-5-28 6719 Modoc Vicinity of Cold Spring SE of Sugar Hill, W side of Warner Mts. 1880 Comment
  SBBG1937  Lewisia nevadensis H. and M. Dearing 1939-6-9 3615 Modoc Warner Mtns near Cedarville [near Squaw Peak?] 2133 Comment
  UC748124  Lewisia pygmaea Annie M. Alexander and Louise Kellogg 1946-7-29 5086 Modoc flat below divide Warner Mountains, Eagle Creek (head of Eagle Creek) Comment
  CAS-BOT-BC197485  Lewisia rediviva Leland S. Smith 1917-6-5 25 Modoc So. Fork Pitt River Canyon. Sec. 26. 1676 Comment
  CAS-BOT-BC197496  Lewisia rediviva Annie Montague Alexander; L. Kellogg 1946-6-14 4744 Modoc Patterson Mill Road, SE corner of county. 1341 Comment
  CAS-BOT-BC197482  Lewisia triphylla Annie Montague Alexander; L. Kellogg 1946-6-15 4780 B Modoc Deep Creek. 2194 Comment
  JEPS118211  Lewisia triphylla Dean W. Taylor 2004-5-15 19070 Modoc 1.5 mi SW of Hermitt Butte (ca. 18 air miles SW of Alturas) 1767 Comment
  UC1037150  Leymus triticoides Leo Whitney 1935-7-6 3414 Modoc near Lookout; Pit River Comment
  UC1037178  Leymus triticoides Leo Whitney 1935-8-18 3619 Modoc Alturas Comment
  UC1037257  Leymus triticoides Leo Whitney 1935-7-24 107 Modoc Hot Springs Valley Comment
  UCD64651  Leymus triticoides Beecher Crampton; Carl Rimbey 1954-7-8 2179 Modoc Warner Mountains, Jess Valley, 15 miles E of Likely. Comment
  RSA453850  Ligusticum grayi L. C. Wheeler 1935-8-16 3882 Modoc Warner Mountains: Dismal Swamp, Twenty Mile Creek. 2226 Comment
  CHSC117367  Limosella acaulis Lowell Ahart; John Dittes 2016-7-14 21197 Modoc Strand of a new pond, south of Ash Creek Canal (now filled in), south of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. 1273 Comment
  UC1101423  Limosella acaulis Herbert L. Mason 1947-8-13 13529 Modoc ne side F Reservoir (n of Canby); ne side of F reservoir Comment
  RSA0011492  Limosella acaulis Robert F. Thorne, Larry E. DeBuhr 1975-8-22 46966 Modoc Ca. 3.4 miles north of Alturas at bridge over North Fork of Pit River 1341 Comment
  CAS-BOT-BC229894  Limosella aquatica Louis Cutter Wheeler 1935-9-1 3934 Modoc Pine Spring, Devil's Garden. 1524 Comment
  CAS-BOT-BC190627  Linanthus bolanderi Bruce Bartholomew; Barrett Anderson 1989-4-27 4625 Modoc Little Hot Spring Valley, 4.0 km NW of Day. 1070 Comment
  UC1332118  Linanthus harknessii Alice Eastwood and John Thomas Howell 1940-6-14 8222 Modoc 8 mi nw Canby Comment
  HSC20665  Linaria dalmatica subsp. dalmatica M. T. Milligan 1964-6-27 93 Modoc Old mill, Lassen Creek 1829 Comment
  CDA6363  Linaria genistifolia subsp. dalmatica T. C. Fuller 1962-8-29 9485 Modoc Near Sugar Hill Planting, Lassen Creek, 11 miles south of New Pine Creek. 0 Comment
  CDA6368  Linaria vulgaris T. C. Fuller 1964-10-7 12690 Modoc 3/4 mile northwest of Stronghold. 0 Comment
  UC28481  Linnaea borealis var. longiflora Mrs. R. M. Austin Aug., 1894 Modoc Lassen Creek; ne Modoc Co. Comment
  UC17256  Linum lewisii Mrs. Brandegee Modoc Lassen Creek Comment
  RSA59602  Linum lewisii Verne Grant, Alva Grant 1950-7-14 8946 Modoc Bare north flank of Cedar Peak, Warner Mts. 2195 Comment
  UC17254  Linum lewisii Milo S. Baker 1893-6 Modoc Lava Beds Comment
  UC72231  Listera convallarioides Milo S. Baker 1887-1 Modoc Forestdale Comment
  UC114984  Lithophragma glabrum Mrs. R. M. Austin May 1884 88 Modoc Goose Lake Valley Comment
  UC71790  Lithophragma glabrum Mrs. M. H. Manning Apr 26 1903-May 1 1903 101 Modoc near Fort Bidwell (north-eastern Modoc County); near Fort Bidwell Comment
  CAS-BOT-BC225826  Lithophragma parviflorum Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-11 6485 Modoc 2.4 km E of Crowder Flat Road on road to S end of Big Sage Reservoir. 1620 Comment
  CAS-BOT-BC225832  Lithophragma parviflorum Bruce Bartholomew; Barrett Anderson 1989-4-27 4618 Modoc 2.1 km SSE of Day on road to State Highway 299. 1020 Comment
  HSC20219  Lithophragma parviflorum M. T. Milligan 1964-6-25 77 Modoc Upper Lassen Creek 1829 Comment
  CAS-BOT-BC437748  Lithophragma parviflorum Ella Dales Cantelow 1941-5-23 3530 Modoc 2 mi. W of Adin Summit, W of Alturas near US Highway 299. Comment
  CAS-BOT-BC225835  Lithophragma tenellum Bruce Bartholomew 1992-5-15 6304 Modoc Tamarack Flat, E side of the Warner Mountains. 2160 Comment
  CAS-BOT-BC225838  Lithophragma tenellum Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16425 Modoc Summit of Cedar Pass, between Alturas and Cedarville. 1935 Comment
  HSC3701  Lithospermum ruderale M. T. Milligan 1965-6-26 344 Modoc N end Jess Valley. 1616 Comment
  UC748463  Lithospermum ruderale Annie M. Alexander and Louise Kellogg 1946-6-10 4724 Modoc <near bottom of slope facing Lower Lake; Lava bench between Lower and Snake Lakes> Comment
  CHSC39004  Lomatium bicolor J. D. Jokerst 1983-7-18 1855 Modoc At Miller's Flat NW of Aden. Comment
  CHSC66982  Lomatium bicolor var. leptocarpum James D. Jokerst 1987-5-12 2842 Modoc Radar Survey Site S of Doublehead Mtn., N end of central sector. Center of wedge of section 28. Comment
  RSA323622  Lomatium bicolor var. leptocarpum A. Tiehm 1984-6-30 8838 Modoc NW side of Bidwell Mt., 2.2 road miles north of 8 mile creek on the road from Lake Annie. 1844 Comment
  UC985672  Lomatium dissectum var. multifidum Herbert L. Mason and Verne Grant 1947-7-9 13311 Modoc summit of Warner Range, Cedar Pass Warner Range, Cedar Pass 1920 Comment
  SEINET8684976  Lomatium grayi G. S. Bartholomew 1998-6-5 2729 Modoc E side of upper Alkali Lake, S of Leonard Springs. 1402 Comment
  CAS-BOT-BC30132  Lomatium grayi var. grayi C. C. (Mrs.) Bruce 1899-1-1 2490 Modoc Lake City Mt. Comment
  CAS-BOT-BC30142  Lomatium macrocarpum E. S. Willits 1940-4-27 194 Modoc Davis Creek. Comment
  SEINET229583  Lomatium marginatum Gary Schoolcraft 1981-6-6 378 Modoc Ne of Alturas California 1524 Comment
  RSA59537  Lomatium nevadense E. K. Balls 1950-5-20 14803 Modoc 0.75 mile below Mill Creek Falls Public Camp, toward Jess Valley and South Fork Pit River 1677 Comment
  SJSU13899  Lomatium nevadense N. A. Hopkins 1985-5-13 1270 Modoc by Hwy 395 c. 30 mi S of Alturas Comment
  CAS-BOT-BC15758  Lomatium nevadense var. nevadense S. Saufferer 1973-5-5 132 Modoc 7.5 mi. S of Pine Creek along Hwy 395. Comment
  JEPS28837  Lomatium nevadense var. nevadense Lincoln Constance and Emil DiFulvio 1962-4-16 3749 Modoc 3.2 mi. n. Likely 1310 Comment
  SEINET203038  Lomatium nevadense var. nevadense Lincoln Constance, Emil DiFulvio 1962-4-16 3749 Modoc Open slope 3.2 miles N of Likely Comment
  UC106256  Lomatium nevadense var. parishii Mrs. R. M. Austin May 1894 415 Modoc Goose Lake Valley Comment
  UC748244  Lomatium nudicaule Annie M. Alexander and Louise Kellogg 1946-6-14 4771 Modoc Silver Creek branch of Patterson Mill rd. 1828 Comment
  RSA452582  Lomatium nudicaule Christopher Davidson 1973-5-26 2138 Modoc Highway 299 N of Adin Summit 1524 Comment
  OBI81656  Lomatium triternatum Tracey Call, Viola Call 1964-6-23 2281 Modoc 1 mile south of Perez. Comment
  RSA31756  Lomatium triternatum A. A. Heller 1941-6-26 16215 Modoc 4 miles east of Canby Comment
  RSA554797  Lomatium triternatum Margaret J. Williams 1988-5-30 88- 26 -6 Modoc Jess Valley, east of Likely, south of roadside rest 1524 Comment
  CHSC85164  Lomatium triternatum var. macrocarpum John Dittes; Josephine Guardino 1991-7-21 428 Modoc Modoc Plateau; Big Valley; Ash Creek Wildlife Area; ca. 5.7 air-miles northeast of Bieber, ca. 7.6 air-miles west of Adin, ca. 1.5 air-mile southeast of Pilot Butte summit; meadow at northern edge of Ash Creek Floodplain (Big Swamp) at southeast base of Pilot Butte. 1258 Comment
  CAS-BOT-BC21410  Lomatium triternatum var. triternatum Roxana Stinchfield Ferris; R. Duthie 1919-6-14 84 Modoc Above Parker Creek, 1.5 mi. above Modoc National Forest boundary. Comment
  CAS-BOT-BC21413  Lomatium triternatum var. triternatum K. Paulson; Robert Paulson 1989-5-8 105 Modoc Howard's Gulch, along Hwy 139. 1371 Comment
  CAS-BOT-BC21416  Lomatium triternatum var. triternatum Bruce Bartholomew; Barrett Anderson 1988-6-25 4376 Modoc SW side of Jess Valley, Warner Mts.. 1540 Comment
  CAS-BOT-BC21422  Lomatium triternatum var. triternatum Barrett Anderson 1986-7-10 3186 Modoc West Warner Rd at Mud Spring Flat. 1965 Comment
  OBI8886  Lomatium vaginatum Lincoln Constance, Emil DiFulvio 1962-4-16 3750 Modoc 3.2 mi N of Likely 1311 Comment
  RSA452600  Lomatium vaginatum Christopher Davidson 1975-6-4 2601 Modoc 0.4 miles E of Hwy 395 on Hwy 299 toward Cedarville. 1380 Comment
  CAS-BOT-BC95169  Lonicera interrupta Belknap C. Goldsmith 1912-7-1 51 Modoc Little Hot Spring Valley. 1219 Comment
  RSA503237  Lonicera interrupta Bruce Bartholomew, B. Anderson 1988-6-23 4268 Modoc 1.8 km WSW of Day on County Road 94. 1170 Comment
  HSC3933  Lonicera involucrata var. involucrata Ms. M. H. Manning 1903-8-21 305 Modoc Warner Range. Comment
  UC102335  Lonicera involucrata var. involucrata Mrs. R. M. Austin July 1894 152 Modoc Lassen Creek Comment
  CAS-BOT-BC181967  Lotus corniculatus Bruce Bartholomew 1989-8-10 5030 Modoc Little Hot Spring Valley, 3.2 km NW of Day. 1070 Comment
  CAS-BOT-BC181954  Lotus humistratus Bruce Bartholomew 1991-6-21 5820 Modoc N side of Mud Lake, 5.3 km S of Forest Service road 73 on road to Rim Rock Valley. 1570 Comment
  SEINET5512249  Lotus humistratus J. C. Beatley 1964-1 Modoc Tule Lake area. Drainage area: Tule Lake area 1829 Comment
  CAS-BOT-BC181937  Lotus purshianus var. purshianus Bruce Bartholomew; Barrett Anderson 1988-7-22 4485 Modoc Vicinity of East Creak Trailhead, southern end of the Warner Mts. 2210 Comment
  CAS-BOT-BC181944  Lotus purshianus var. purshianus Louis Cutter Wheeler 1935-9-4 3947 Modoc McGinty Point, Goose Lake. 1463 Comment
  CAS-BOT-BC198272  Lupinus John Thomas Howell 1934-6-14 12120 Modoc Near Lost Lake, Warner Mts. 2438 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-BC181907  Lupinus arbustus Mrs. H. C. Cantelow 1940-5-31 Modoc East of Indian Springs Comment
  CAS-BOT-BC181918  Lupinus arbustus Robert Patterson; Mona Bourell 1993-8-14 5227 Modoc Patterson Lake. South Warner Wilderness Area. Warner Mountains. 2743 Comment
  JEPS64953  Lupinus arbustus Frances D. Payne 1932-6-22 574 Modoc s and e Alturas; Warner Mountains, Parker Creek Comment
  JEPS64954  Lupinus arbustus Frances D. Payne 1931-6-29 297 A Modoc Owl Creek Warner Mountains (SE slopes of Warner Mountains) 2133 Comment
  NY732856  Lupinus arbustus subsp. calcaratus A. M. Alexander 1946-7-17 5004 Modoc Near Benton Meadow, Warner Mountains 2073 Comment
  CAS-BOT-BC182190  Lupinus argenteus Annie Montague Alexander; L. Kellogg 1946-7-7 4917 Modoc Cedarville. Comment
  CAS-BOT-BC182191  Lupinus argenteus Amos Arthur Heller 1938-6-24 15222 Modoc Between Alturas and Canby. Comment
  CAS-BOT-BC182193  Lupinus argenteus John Thomas Howell 1934-6-15 12183 Modoc Alturas. Comment
  CDA27390  Lupinus argenteus var. heteranthus T. C. Fuller 1971-7-14 19906 Modoc Warner Mountains; Barber Grade above South Barber Creek, 7 miles south of Eagleville. 0 Comment
  CHSC109679  Lupinus argenteus var. heteranthus Lowell Ahart; John Dittes 2012-7-10 18330 Modoc About 300 yards northeast of the old barn, on the sides of the mowed road. 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
  CHSC67109  Lupinus argenteus var. heteranthus James D. Jokerst 1987-5-15 2881 Modoc Radar Survey Site S of Doublehead Mtn., S of Clear Lake Reservoir, Doublhead Mtn, Rd. ca. 0.25 mi W of junction with N-S road at E edge of project area. 1371 Comment
  SBBG125477  Lupinus argenteus var. heteranthus L. Ahart, J. Dittes 2012-7-10 18330 Modoc ca. 300 yards NE of old barn, on the sides of mowed rd; Ash Crk State Wildlife Area NE of Bieber, Big Valley 1266 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
  UC748289  Lupinus argenteus var. heteranthus Annie M. Alexander and Louise Kellogg 1946-6-30 4869 Modoc Highgrade n end of Warner Mountains, Highgrade (w side of ridge) 2377 Comment
  UC748291  Lupinus argenteus var. heteranthus Annie M. Alexander and Louise Kellogg 1946-7-23 5052 Modoc on ne slope Emerson Peak; Warner Mountains, ne slope Emerson Peak Comment
  UCR26890  Lupinus caudatus E. C. Nord 1958-8-15 N- 128 Modoc Modoc National Forest, 3.5 mi NW of Tionesta 1292 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-BC497203  Lupinus latifolius John H. Hatton 1911-6-22 140 Modoc Modoc Forest, Huffman Ranch 1615 Comment
  HSC14857  Lupinus latifolius subsp. viridifolius M. T. Milligan 1965-6-26 316 Modoc N end Jess Valley. 1616 Comment
  UC710973  Lupinus latifolius var. viridifolius C. L. Hitchcock 1940-5-27 6664 Modoc 15 mi ne Alturas (along creek); ne of Alturas 1615 Comment
  RSA582465  Lupinus laxiflorus Louis C. Wheeler 1935-9-6 3958 Modoc Tuttle Place, W side Goose Lake. 1463 Comment
  CHSC112821  Lupinus lepidus var. confertus Lowell Ahart; John Dittes 2013-7-25 18966 Modoc About 10 yards west of the north-south fence, south edge of Ash Creek Floodplain, northwest of Patterson Homestead, east of Elkins Lane, 1.0 mile (air) south of County Road 87, 3.14 miles (air) west of Adin, Big Valley. 1267 Comment
  CAS-BOT-BC181874  Lupinus lepidus var. lobbii Annie Montague Alexander; L. Kellogg 1946-8-9 5133 Modoc Patterson Lake Trail, Warner Mts. Comment
  NY747263  Lupinus lepidus var. lobbii M. Bourell 1993-8-15 5276 Modoc South Warner Wilderness Area. Warner Mountains. Along trail from Patterson Lake to ca. 2 miles north toward Pepperdine Trailhead 2438 Comment
  JEPS119667  Lupinus lepidus var. sellulus Lowell Ahart, John Dittes 2012-7-11 18343 Modoc About 1/2 mile southeast of the Pilot Butte Parking Lot, north edge of Ash Creek floodplain, about 1.5 miles (air) south of County Road 87, about 7.5 miles (air) west of Adin, about 10.2 miles (air) east of Lookout, Big Valley. Comment
  UC15912  Lupinus leucophyllus Milo S. Baker 1893-6-20 Modoc Comment
  CAS-BOT-BC181844  Lupinus microcarpus var. microcarpus Harry Dwight Dillon Ripley; Rupert Charles Barneby 1944-5-31 5988 Modoc NW of Alturas. 1371 Comment
  JEPS126502  Lupinus microcarpus var. microcarpus Jennifer Mueller 2016-6-20 CA 370 -222 Modoc From Cedarville head north on County Road 1 through Fort Bidwell. Take County Road 6 from there towards Free Reservoir. After crossing a channel, go left at the road fork. Stay left for about two miles. Comment
  UC1736638  Lupinus microcarpus var. microcarpus Dean Wm. Taylor with Robert A. Price 1988-6-4 9758 Modoc Tule Lake Basin; Dobie Flat, 2.6 miles S10 E of Casuse Mountain, 1280 Comment
  UC619258  Lupinus microcarpus var. microcarpus J. and H. W. Grinnell 1938-6-16 1114 Modoc six mi s Fort Bidwell; s of Fort Bidwell 1463 Comment
  UCD108862  Lupinus microcarpus var. microcarpus B. L. Kay 1955-6-17 s.n. Modoc 2 miles northwest of Likely. Comment
  HSC81086  Lupinus polyphyllus subsp. superbus G. M. Riegel 1979-8-24 685 Modoc South Warner Mtn. 2100 Comment
  NY747610  Lupinus polyphyllus var. saxosus R. C. Barneby 1982-5-25 17841 Modoc In west foothills of Warner Mountains, 9 miles northeast of Alturas 1550 Comment
  RSA262988  Lupinus ruber B. J. Cox 1971-6-3 2608 Modoc 6 mi. N of Alturas on U.S. Hwy 395. 1341 Comment
  CAS-BOT-BC181812  Lupinus saxosus K. Paulson; Robert Paulson 1990-6-6 203 Modoc North of Stough Reservoir, Warner Mountains. 1676 Comment
  CAS-BOT-BC181815  Lupinus saxosus Gordon H. True 1964-6-3 1428 Modoc Between Alturas and Goose Lake, North fork Pit River. 1432 Comment
  HSC14937  Lupinus saxosus Allan R. Marshall 1962-5-12 13 Modoc 3 mi. W of Canby on Hwy. 299 1220 Comment
  SEINET10486221  Lupinus saxosus Billy Joe Cox, David B. Dunn 1971-6-3 Cox 2586 Modoc 5 mi s of canby on state hwy. 299. Lupines heavily carpeting hillsides of Large basaltic boulders, sparse juniper-artemisia, purshia, poa association. 1280 Comment
  SEINET10871089  Lupinus saxosus Duane Isely, I. Isely 1971-7-11 Isely 11377 Modoc Adjacent to state hwy. 139, Q mi s of adin summit. Steep, rocky slope with Juniper, sagebrush, and ponderosa pine; abundant, but well past blooming. 1463 Comment
  JEPS67161  Luzula comosa var. laxa M. S. Baker and Frank Nutting 1894-6-15 Modoc Big Valley Mountains Comment
  UCD124962  Lycopus asper Herbert L. Mason 1947-8-11 13490 Modoc on Highway 81, west margin of Lower Lake, near boundary between Lassen and Modoc counties. Comment
  HSC100750  Lythrum tribracteatum Lowell Ahart, John Dittes 2010-8-30 17055 Modoc N side of wash ~10 yd. W of fence, S edge of meadow in the Ash Creek State Wildlife Area, 2,300 ft. N of Lassen Co. line, 3.6 (air) mi. W of Adin and 8 (air) mi. NE of Bieber, Big Valley. 1268 Comment
  RSA0016027  Lythrum tribracteatum Robert F. Thorne, James Henrickson, C. W. Tilforth 1969-9-4 39099 Modoc On muddy spit and shore of N Fork of Pit River 3.4 mi. N of Alturas where crossed by Highway 395. 1341 Comment
  SBBG128274  Lythrum tribracteatum L. Ahart, J. Dittes 2010-8-30 17055 Modoc N side of small wash, ca. 10 yards W of the fence, S edge of the meadow, Ash Crk State Wildlife Area, 2300 feet N of Lassen County Line, ca. 3.6 mi W of Adin, ca. 8.0 mi NE of Bieber, Big Valley 1267 Comment
  SJSU11765  Madia citriodora R. L. Fisher 1958-6-13 Modoc near Adin Pass c. 6 mi S of Canby 1524 Comment
  CAS-BOT-BC49438  Madia exigua John Thomas Howell 1934-7-1 12325 Modoc Duncan Horse Camp, 6 mi. E of Perez. 1355 Comment
  CAS-BOT-BC49402  Madia glomerata Francis Dorris Payne 1934-8-1 Modoc Parker Creek. 1584 Comment
  CAS-BOT-BC49448  Madia glomerata M. Vasey 1990-6-30 9063 Modoc Along County Rd 95 in dried wetland N of road, near Egg Lake. 1500 Comment
  RSA608434  Madia glomerata L. C. Wheeler 1935-8-27 3923 Modoc 1 mile east of South Mountain, Devil's Garden 1524 Comment
  CAS-BOT-BC49377  Madia gracilis John Thomas Howell 1934-6-30 12268 Modoc Duncan Horse Camp. 1355 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
  RSA504612  Madia gracilis subsp. gracilis Bruce Bartholomew, B. Anderson 1988-7-21 4414 Modoc Whitehorse Mountains, 11 km N of Day on the road to Whitehorse Flat Reservoir. 1340 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
  RSA486353  Mahonia repens Bruce Bartholomew, B. Anderson 1988-5-13 4175 Modoc 0.6 km N of Jess Valley on West Warner Road, W side of the Warner Mountains. Northern Jeffrey pine forest. 1620 Comment
  RSA59361  Mahonia repens E. K. Balls 1950-5-11 14633 Modoc 0.3 mile below (east of) crest of Fandango Pass. (From Ft. Bidwell-Lake City Rd., to Bucks Creek ranger Station on Hwy 395) 1860 Comment
  CAS-BOT-BC242034  Maianthemum racemosum Bruce Bartholomew 1989-7-14 4981 Modoc Vicinity of Upper Rush Creek Camp Ground. 1580 Comment
  CAS-BOT-BC242165  Maianthemum stellatum Bruce Bartholomew 1991-6-21 5807 Modoc Vicinity of Lily Lake, N end of the Warner Mountains. 2030 Comment
  CAS-BOT-BC49384  Malacothrix glabrata Bruce Bartholomew 1993-6-13 6628 Modoc Near Fortynine Creek, E of Cedarville on E side of Surprise Valley. 1400 Comment
  CAS-BOT-BC49385  Malacothrix glabrata Bruce Bartholomew 1992-5-15 6291 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
  HSC15983  Malva neglecta M. T. Milligan 1965-7-11 446 Modoc N end of Jess Valley 1616 Comment
  RSA152606  Malva neglecta I. L. Wiggins, Dorothy Wiggins 1961-6-12 16402 Modoc Shoulders of road along Thomas as Creek, 6.1 miles E. of California State Highwayt 299, along Cedar Pass Road, Modoc County. Comment
  CAS-BOT-BC179870  Marrubium vulgare John H. Hatton 1911-6-22 149 Modoc Modoc County, lava formation. 1615 Comment
  CHSC71842  Marsilea oligospora Vernon H. Oswald; Lowell Ahart 1998-9-8 9597 Modoc Mosquito Lake on the north side of Whitehorse Flat Reservoir ca. 20 air miles north of McArthur. 1341 Comment
  CAS-BOT-BC498694  Marsilea vestita Louis C. Wheeler 1935-9-18 1616 Modoc Modoc National Forest: Everly Rsvr., Devil's Garden 1524 Comment
  JEPS114951  Marsilea vestita subsp. vestita Lowell Ahart, John Dittes 2008-8-26 15340 Modoc On the bottom of Rose Creek, 750 feet southwest of confluence of Rose Creek and Pit River, on the northwest side of unnamed road, 2660 feet east of intersection with County Road 85a, 9.3 miles (air) north-northeast of Lookout 1276 Comment
  CHSC117040  Matricaria occidentalis Lowell Ahart; John Dittes 2016-6-6 20961 Modoc About 100 yards east of the Parking Area, about one mile south of the intersection of County Road 87 and Access Road to Pilot Butte Parking Area, 3.8 miles (air) east of Lookout, 7.5 miles (air) west of Adin, Ash Creek State Wildlife Area. 1271 Comment
  CHSC117234  Medicago lupulina Lowell Ahart; John Dittes 2016-7-16 21243 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
  UCD107737  Medicago lupulina John A. Kresge 1930-3-1 s.n. Modoc Adin. Comment
  JEPS74034  Melica fugax Frances D. Payne 1932-7-1 654 Modoc 2 mi sw Mt. Warren (se Modoc County); Pine Creek Basin Comment
  UCD37472  Melica fugax Beecher Crampton 1960-6-17 5695 Modoc Modoc County, 13 miles west of Canby, 2.5 miles northeast of Happy Camp Station, McKay Flat. 1280 Comment
  SD113590  Melilotus officinalis Darley F. Howe 1964-8-2 3926 Modoc Vacant lot, Alturus Comment
  CAS-BOT-BC179866  Mentha arvensis Verne Grant; I. Schneider 1947-7-18 8050 Modoc Eastside canal, 5 mi. N of Bayley's bridge, S of Alturas. Comment
  SFV18020  Mentha arvensis J. A. Matos, D. C. Rudolph 1999-8-7 s. n. Modoc Pothole Creek near Pothole Spring. Near crossing of Clear Lake Road. 1470 Comment
  UCD125038  Mentha canadensis Verne Grant; Irving Schneider 1947-7-18 8050 Modoc Eastside canal five miles north of Bayley's Bridge, south of Alturas. Comment
  UC634865  Mentha canadensis F. H. Frost Modoc Jess Valley; Warner Mts., Jess Valley Comment
  RSA59520  Mentzelia albicaulis E. K. Balls 1950-5-21 14821 Modoc South Fork Public Camp, South Fork Pit River. 1479 Comment
  UCSB27390  Mentzelia dispersa Wilken, Dieter 1969-7-28 Modoc Mill Creek Falls near Clear Lake, east of Likely, Warner Mtns. Comment
  CAS-BOT-BC170842  Mentzelia veatchiana Christopher Davidson 1975-6-4 2612 Modoc 1/4 mi W of Cedarville on Hwy 200, steep volcanic slope, N side of rd. S slope. 1463 Comment
  CAS-BOT-BC179110  Mentzelia veatchiana Gordon H. True 1964-6-3 1442 Modoc Cedar Pass. 1524 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-BC54041  Mertensia ciliata Bruce Bartholomew; Barrett Anderson 1989-6-2 4794 Modoc Surprise Valley Road, just S of the Oregon border, extreme NE corner of Modoc County. 1630 Comment
  RSA149068  Mertensia ciliata var. stomatechoides I. L. Wiggins, Dorothy Wiggins 1961-6-14 16479 Modoc Along Lassen Creek along road to Davis Creek, Warner Mountains. Comment
  NY1084204  Mertensia cusickii A. J. Cronquist 1959-6-19 8502 Modoc Overlooking Mill Creek a little above Clear lake; Warner Mountains 15 miles east of Likely 1981 Comment
  UCR165707  Mertensia cusickii David A. Charlet 1989-8-16 542 Modoc Warner Mountains. 11 km NW of Eagle Peak, Rock Spring 2015 Comment
  JEPS4087  Mertensia longiflora Frances D. Payne 1932-5-27 408 Modoc s and e of Alturas; Warner Mountains, Parker Creek 1584 Comment
  RSA486802  Mertensia longiflora Bruce Bartholomew, B. Anderson 1988-5-13 4153 Modoc Along Parker Creek Road, 0.5 km W of West Warner Road on Parker Creek Road, W side of the Warner Mountains. 1650 Comment
  SEINET11302717  Mertensia longiflora M. J. Williams 1984-6-29 84- 71 -1 Modoc Lily Lake, west side of the Warner Mountains 2073 Comment
  HSC28522  Mertensia oblongifolia D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-22 19323 Modoc Soup Springs Campground Comment
  NY1084276  Mertensia oblongifolia B. M. Bartholomew 1992-5-15 6300 Modoc Tamarack Flat, east side of the Warner Mountains 2160 Comment
  NY1084277  Mertensia oblongifolia B. M. Bartholomew 1989-6-2 4794 Modoc Surprise Valley Road, just south of the Oregon border, extreme NE corner of Modoc County 1630 Comment
  SEINET8588887  Mertensia oblongifolia E. K. Balls 1950-5-20 14791 Modoc South Fork Pit River, South Fork Public Camp. 1433 Comment
  CAS-BOT-BC54010  Mertensia oblongifolia var. amoena Francis Dorris Payne 1929-7-7 57 Modoc Pine creek Basin. 2316 Comment
  CAS-BOT-BC54013  Mertensia oblongifolia var. amoena Betty J. Hammerly 1941-6-20 30 Modoc Clear Lake. 1767 Comment
  JEPS6028  Mertensia oblongifolia var. amoena Frances D. Payne 1931-6-21 224 Modoc Ridge west of Dry Creek, northern tributary of Parker Creek, Warner Mountains, south and east of Alturas. 1981 Comment
  RSA531357  Mertensia oblongifolia var. amoena Bruce Bartholomew, Anderson 1989-6-2 4794 Modoc Surprise Valley Road, just S of the Oregon border, extreme NE corner of Modoc County. 1630 Comment
  CAS-BOT-BC54016  Mertensia oblongifolia var. nevadensis Mrs. H. C. Cantelow 1940-6-1 s.n. Modoc Cedar Pass. Comment
  RSA534714  Mertensia oblongifolia var. nevadensis Bruce Bartholomew 1991-6-21 5802 Modoc Vicinity of Lily Lake, N end of the Warner Mountains. 2030 Comment
  RSA550545  Mertensia oblongifolia var. oblongifolia Bruce Bartholomew 1992-5-15 6301 Modoc Tamarack Flat, E side of the Warner Mountains., (41 53 10 N, 120 13 38 W) 2160 Comment
  UCR267412  Micranthes integrifolia Jim Andre, Glenn L. Clifton 1993-6-12 29996 Modoc Warner Mountains, Cedar Pass, Hwy 299, Modoc National Forest 1919 Comment
  CAS-BOT-BC225968  Micranthes oregana Bruce Bartholomew; Barrett Anderson 1988-6-24 4367 Modoc Vicinity of Patterson Campground, southern end of the Warner Mts.. 2190 Comment
  CAS-BOT-BC429188  Micranthes oregana Mrs. C. C. Bruce 1899-8-1 s.n. Modoc Goose Lake Comment
  CAS-BOT-BC95554  Micromonolepis pusilla Bruce Bartholomew 1993-6-13 6643 Modoc Consolidated sand dunes just W of Leonard Hot Spring, E side of Surprise Valley. 1410 Comment
  CAS-BOT-BC49354  Microseris nutans Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16408 Modoc 3 mi. E of Thoms Creek bridge, near Cedar Pass campground. Comment
  CAS-BOT-BC49355  Microseris nutans Bruce Bartholomew 1990-6-17 5299 Modoc Vicinity of Emerson Camp near roadhead, E side of Warner Mts. 1750 Comment
  CAS-BOT-BC49359  Microseris nutans Bruce Bartholomew 1989-7-15 5011 Modoc Manzanita Lookout, top of Manzanita Mountain. 2130 Comment
  CAS-BOT-BC49395  Microseris nutans Bruce Bartholomew 1993-6-12 6591 Modoc Top of ridge directly above Day Rock. 1370 Comment
  CAS-BOT-BC49397  Microseris nutans Elmer Ivan Applegate 1932-8-1 8005 Modoc Mill Creek Meadows, western slope of Warner Mts. Comment
  CAS-BOT-BC49399  Microseris nutans Annie Montague Alexander; L. Kellogg 1946-6-14 4750 Modoc Meadow, branch to Silver Creek, Patterson Mill Road. 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
  SEINET7719529  Mimulus austiniae Unknown Modoc Mesa Comment
  UCD149974  Mimulus bigelovii Harry George 1967-6-15 s.n. Modoc West of Lookout. Comment
  UC1586882  Mimulus cusickii Juha Pykala and D. H. Norris 1987-5-27 1040 Modoc between Lower Rush Creek Campground and Upper Rush Creek Campground; Modoc National Forest 1500 Comment
  HSC65565  Mimulus guttatus Thomas Wood 1979-8-8 212 Modoc 1 mi. S of Ft. Bidwell along Hwy. 1, corner house where road turns W 1372 Comment
  RSA185361C  Mimulus guttatus Clare B. Hardham 1961-6-17 7514 Modoc Cedar Pass Camp Ground, Warner Mountains. Comment
  POM43666  Mimulus guttatus R. M. Austin 514 Modoc Goose Lake Valley. Comment
  RSA584828  Mimulus latidens Bruce Bartholomew 1993-6-12 6577 Modoc Road to Day Rock from Little Hot Spring Valley. 1250 Comment
  RSA550581  Mimulus layneae Bruce Bartholomew 1991-7-6 5995 Modoc Webb Flat, 5.6 km S of turn off to Happy Camp Ranger Station. 1400 Comment
  HSC20768  Mimulus lewisii M. T. Milligan 1967-7-9 669 Modoc E of Jess Valley 1768 Comment
  UCSB6085  Mimulus lewisii Haller, John 1959-8-1 Modoc 0.2 miles west of Cave Lake junction; on road between New Pine Creek and Fort Bidwell; Warner Mtns 2133 Comment
  UC445200  Mimulus moschatus Mrs. M. H. Manning 1903-7-9 295 Modoc near Fort Bidwell Comment
  UC445218  Mimulus moschatus var. longiflorus Franklin P. Nutting Modoc near Forestdale; Taylor Creek Comment
  CAS-BOT-BC234453  Mimulus nanus Bruce Bartholomew 1991-6-20 5787 Modoc Top of Fox Mountain, ca. 10 airline km NW of Adin. 1900 Comment
  UC27037  Mimulus nanus var. jepsonii M. S. Baker and Frank Nutting 1894-6-8 Modoc Egg Lake Comment
  HSC26012  Mimulus nanus var. nanus D. H. Norris, S. Dowty, T. Nelson 1971-6-23 19372 Modoc Along the S Fork of the Pit River, ~6 mi. E of Likely. Comment
  JEPS86915  Mimulus nanus var. nanus David M. Thompson 1988-6-2 925 Modoc ca. 6.8 mi nw Canby (0.1 mi se of turnoff for Howard's Gulch Campground along Hwy 139) 1500 Comment
  JEPS4012  Mimulus nanus var. nanus Mary H. Manning 1914-4-29 Modoc near Lake City (Lake City Road, by Rice's Ranch) Comment
  RSA185425  Mimulus nanus var. nanus Clare B. Hardham 1961-6-19 7827 Modoc Cogswell Creek. 1524 Comment
  CDA41827  Mimulus pulsiferae S. E. Schoenig 1998-7-5 98 -69 Modoc Southwest shore of Moll Reservior. Comment
  UCD77260  Mimulus pygmaeus Robert E. Preston 2000-5-31 1353 Modoc Modoc Plateau, along Hwy 139, ca. 1 mi w of Forest Service Road 44N11. 1463 Comment
  SEINET3367733 Image available Mimulus rubellus Annie M. Alexander, Louise Kellogg 1946-7-24 5078 Modoc Bear Camp Flat, Warner Mountains. 2286 Comment
  UC1736252  Mimulus rubellus Dean William Taylor 1988-6-4 9744 b Modoc ca 2.6 mi w of Highway 139 Damons Butte; Modoc Plateau 1341 Comment
  RSA59722  Mimulus suksdorfii E. K. Balls 1950-5-18 14754 Modoc N of Upper Rush Creek Public Camp; 2.5 mi. east from Hwy. 299 1738 Comment
  UC748054  Minuartia nuttallii subsp. gregaria Annie M. Alexander and Louise Kellogg 1946-7-30 5093 Modoc Eagle Peak Warner Mountains (e slope near summit) Comment
  CAS-BOT-BC225802  Mitella pentandra Elmer Ivan Applegate 1932-7-7 8240 Modoc Lily Lake, Bidwell Pass, Warner Mts. 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-BC179851  Monardella odoratissima subsp. glauca Leland S. Smith 1917-7-11 98 Modoc Granger Mill Camp. 1981 Comment
  SEINET5333376  Monardella odoratissima subsp. glauca D. Charlet 1989-8-16 537 Modoc Warner Mountains, 1.3 km west/northwest of Eagle Peak 2560 Comment
  CDA33296  Monardella odoratissima subsp. odoratissima Jim Jokerst 1990-8-1 3206 Modoc Lava Beds National Monument; summit and upper west-facing slope of Caldwell Minor near Eastern edge of monument boundary. Comment
  CAS-BOT-BC179361  Monardella odoratissima subsp. pallida Elmer Ivan Applegate 1932-8-1 7997 Modoc N of Mill Creek Meadows. Comment
  CAS-BOT-BC179363  Monardella odoratissima subsp. pallida Bruce Bartholomew 1991-7-6 5972 Modoc 0.8 km NE of Curtis Waterhole. 1310 Comment
  CAS-BOT-BC95543  Monolepis nuttalliana Bruce Bartholomew 1991-6-21 5812 Modoc 4 km S of Forest Service road 73 on road to Rim Rock Valley. 1570 Comment
  CAS-BOT-BC95546  Monolepis nuttalliana Bruce Bartholomew 1989-7-14 4959 Modoc Survice Gulch ca. 3 km NE of Egg Lake. 1340 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
  CAS-BOT-BC197522  Montia chamissoi Mrs. H. C. Cantelow 1941-5-23 s.n. Modoc 2 mi. W of Adin Summit, U.S. Hy. 299, E of Bieber. Comment
  CAS-BOT-BC197525  Montia chamissoi Alice Eastwood; John Thomas Howell 1940-6-12 8076 Modoc Between Likely and Jess Valley. Comment
  HSC17741  Montia chamissoi M. T. Milligan 1965-6-23 312 Modoc N end of Jess Valley 1616 Comment
  UC1101397  Montia chamissoi Malcolm A. Nobs, S. Galen Smith 1949-5-29 771 Modoc one mi e of Lake City Comment
  CHSC107374  Montia dichotoma Lowell Ahart; John Dittes 2011-6-22 17551 Modoc On the west side of the road, about 50 yards north of the Pilot Butte Parking Lot, north edge of Ash Creek Floodplain, 1.1 miles (air) south of County Road 87, 7.7 miles (air) west of Aden, 10 miles (air) east of Lookout, Big Valley. 1264 Comment
  UC852059  Montia fontana C. L. Hitchcock 1940-5-27 6697 Modoc 12 mi ne of Alturas 1615 Comment
  CAS-BOT-BC197543  Montia linearis Bruce Bartholomew; Barrett Anderson 1988-5-12 4104 Modoc White Horse. 1340 Comment
  HSC75891  Montia linearis D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19435 Modoc Near Hager Reservoir Comment
  RSA59649  Montia linearis E. K. Balls 1950-5-12 14642 Modoc Above Bucks Creek Ranger Station, Modoc National Forest, E of Goose Lake. 1738 Comment
  UCD18893  Montia linearis Vernal Pool Team 2001; Carol Witham and Jennifer Buck 2001-5-10 201 Modoc 5 mi. NE along Hwy 139 from its intersection with Hwy 299, south of hwy 139, Canby site. Comment
  JEPS70579  Muhlenbergia asperifolia L. S. Smith 1917-8-19 152 Modoc Bidwell Warner Mts. 1371 Comment
  SEINET10960336  Muhlenbergia asperifolia Louis C. Wheeler 1935-9-4 Wheeler 3948 Modoc Dry sunny rock crevices in old beach. McGinty Point, Goose Lake. 1463 Comment
  UC1101602  Muhlenbergia asperifolia Herbert L. Mason 1947-8-15 13542 Modoc e side Goose Lake (mouth of creek); Willow Ranch, Crane Creek Comment
Read comments
Aug 21 2013
  CAS-BOT-BC247564  Muhlenbergia filiformis Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10560 Modoc Patterson Ranger Station (East Creek drainage). 2164 Comment
  CHSC112838  Muhlenbergia richardsonis Lowell Ahart; John Dittes 2013-7-24 18912 Modoc Around a man made pond, north side of Ash Creek Floodplain, 0.54 mile (air) southeast of Pilot Butte Parking Area, 1.1 miles (air) south of County Road 87, 6.8 miles (air) west of Adin, Big Valley. 1263 Comment
  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
  SEINET188356 Image available Myriophyllum exalbescens C. L. Hitchcock 1940-5-28 6722 Modoc 15 mi N of Alturas (near Surprise). 1402 Comment
  CHSC114295  Myriophyllum sibiricum B. Villegas 2008-7-24 Modoc Alturas; Modoc National Wildlife Refuge; Dorris Canal. Comment
  CAS-BOT-BC198016  Navarretia breweri John Thomas Howell 1934-6-12 11988 Modoc 9 mi. S of Davis Creek. Comment
  RSA520380  Navarretia breweri Bruce Bartholomew, B. Anderson 1989-6-1 4761 Modoc S end of Goose Lake. 1460 Comment
  UC190591  Navarretia breweri M. F. Gilman 516 Modoc 1981 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
  UCR163910  Navarretia divaricata subsp. vividior Jim Andre 1993-6-30 1407 Modoc Modoc Plateau, about 10 miles NW of Canby on Hwy 139, near NW end of Oak Ridge 1494 Comment
  UC1540173  Navarretia intertexta Dean W. Taylor 1987-8-9 9287 Modoc Clear Lake Reservoir, on shore 100 meters W of dam Northeastern California 1371 Comment
  CAS-BOT-BC197990  Navarretia intertexta subsp. intertexta Barrett Anderson 1986-7-9 3133 Modoc Roney Flat Rd just off Hwy 299. 1435 Comment
  CAS-BOT-BC197989  Navarretia intertexta subsp. propinqua Annie Montague Alexander; L. Kellogg 1946-7-7 4932 Modoc Eight Mile Creek, NE corner of county. 1752 Comment
  UC748264  Navarretia intertexta subsp. propinqua Annie M. Alexander and Louise Kellogg 1946-7-7 4932 Modoc Eight Mile Creek, ne corner of Modoc County Eight Mile Creek 1752 Comment
  POM129405  Navarretia intertexta subsp. propinqua M. French Gilman 650 Modoc Modoc Co. Mts 1677 Comment
  RSA185430  Navarretia leptalea Clare B. Hardham 1961-6-18 s.n. Modoc Warner Mountains: Cedar Pass. Comment
  CAS-BOT-BC197970  Navarretia leucocephala subsp. leucocephala Bruce Bartholomew 1991-6-21 5810 Modoc 4 km S of Forest Service road 73 on road to Rim Rock Valley. 1570 Comment
  CAS-BOT-BC197973  Navarretia leucocephala subsp. leucocephala Bruce Bartholomew; Barrett Anderson 1988-6-23 4248 Modoc 4.2 km NW of Day. 1020 Comment
  CAS-BOT-BC197966  Navarretia leucocephala subsp. minima Peter Hamilton Raven; Otto Thomas Solbrig 1958-6-18 13328 Modoc About small lake at eastern outskirts of Lookout. Comment
  CHSC34343  Navarretia leucocephala subsp. minima K. R. Stern; D. B. Joley, J. G. Geschke 1974-6-23 5845 Modoc Vernal pool on e side of railroad tracks, on n side of Whitehorse-Lookout Road. Comment
  POM260725  Navarretia sinistra Alice Eastwood, J. T. Howell 1940-6-14 8216 Modoc 8 miles NW of Canby Comment
  RSA83301  Navarretia sinistra Verne Grant, Alva Grant 1947-7-13 8013 Modoc At west end of Fandango Valley, road from Goose Lake to Fort Bidwell Comment
  SEINET195695  Nemophila breviflora Annie M. Alexander, L Kellogg 1946-6-15 4775 Modoc Deep Creek 2134 Comment
  CAS-BOT-BC179297  Nemophila parviflora var. austiniae Lincoln Constance 1938-6-12 2333 Modoc Edge of Thoms Creek at foot of Bonner Grade, Cedar Pass Rd., 13.4 mi. NE of Alturas. 1524 Comment
  CAS-BOT-BC179301  Nemophila parviflora var. austiniae Annie Montague Alexander; L. Kellogg 1946-6-14 4745 Modoc Barber Creek, Patterson Mill Road. 1798 Comment
  CAS-BOT-BC179303  Nemophila parviflora var. austiniae John Thomas Howell 1934-6-11 11969 Modoc Parker Creek. 1584 Comment
  UC1178999  Nemophila pedunculata Herbert L. Mason 1947-7-8 13313 Modoc Cedar Pass , Cedar Pass (summit Warner Range) 1920 Comment
  UC1332113  Nemophila pedunculata Alice Eastwood and John Thomas Howell 1940-6-13 8193 Modoc w side Cedar Pass Comment
  POM73900  Nemophila pedunculata Mrs. R. M. Austin 1895-06 540 Modoc Goose Lake Valley. Comment
  RSA152442  Nemophila pedunculata I. L. Wiggins, Dorothy Wiggins 1961-6-12 16428 Modoc Near summit of Cedar Pass. Between Alturas and Cedarville. 1936 Comment
  UC336782  Neoholmgrenia andina unknown Modoc Honey Lake Valley Comment
  RSA59853  Nestotus stenophyllus E. K. Balls 1950-5-13 14673 Modoc W shore of Goose Lake, 0.2 mile S of Oregon-Calif. state line. 1463 Comment
  HSC16544  Oenothera villosa subsp. strigosa M. T. Milligan 1964-8-9 226 Modoc Clear Lake Rd., 0.5 mi. W of Mill Creek, Jess Valley 1677 Comment
  CAS-BOT-BC245090  Olsynium douglasii var. douglasii Bruce Bartholomew; M; M. Gilbert; L. E. Skog 1993-5-11 6512 Modoc 11 km S of Oregon Border along W side of Goose Lake. 1440 Comment
  CAS-BOT-BC245091  Olsynium douglasii var. douglasii Bruce Bartholomew; M; M. Gilbert; L. E. Skog 1993-5-10 6430 Modoc 5 km NE of Davis Creek on road to Plum Valley Campground. 1700 Comment
  CAS-BOT-BC245093  Olsynium douglasii var. douglasii E. S. Willits 1940-4-16 179 Modoc Sugar Hill. Comment
  CDA7565  Onopordum acanthium T. C. Fuller 1957-9-18 339 -57 Modoc Alturas. 0 Comment
  CAS-BOT-BC49374  Onopordum acanthium subsp. acanthium Thomas C. Fuller 1959-7-8 2795 Modoc Alturas. Comment
  CAS-BOT-BC50376  Onopordum acanthium subsp. acanthium Thomas C. Fuller 1958-7-9 900 -58 Modoc Alturas. Comment
  JEPS26036  Onopordum acanthium subsp. acanthium T. C. Fuller 1959-7-8 2795 Modoc Alturas; S/4th St., E/East St. Comment
  JEPS26037  Onopordum acanthium subsp. acanthium T. C. Fuller 1959-7-8 2795 Modoc Alturas; S/4th St., E/East St. 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
  CAS-BOT-BC190791  Orobanche fasciculata Bruce Bartholomew 1990-6-18 5377 Modoc Crowder Flat Rd, 0.3 km N of turn off to Big Sage Reservoir. 1480 Comment
  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
  UC71737  Orthocarpus bracteosus Mrs. M. H. Manning 1904-9-1 495 Modoc Hall's Meadows; north-eastern Modoc County Comment
  SEINET227723 Image available Orthocarpus copelandii var. cryptanthus Margaret J. Williams 1983-7-29 83- 117 -7 Modoc 1.1 miles N of Stowe Reservoir Campground, N of Cedar Pass, Warner Mts. Comment
  HSC80741  Orthocarpus cuspidatus subsp. cryptanthus G. M. Riegel 1980-6-30 781 Modoc S Warner Mtns. 1739 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
  UC748086  Orthocarpus cuspidatus subsp. cryptanthus Annie M. Alexander and Louise Kellogg 1946-7-22 5036 Modoc Patterson Mill Road; Warner Mountains, Patterson Mill Road 2209 Comment
  JEPS86369  Osmorhiza berteroi Jack and Betty Guggolz 1988-6-28 956 Modoc w Jenkins Spring Comment
  CAS-BOT-BC50306  Packera cana Mrs. H. C. Cantelow 1940-6-2 Modoc 4 mi. W of Alturas on road to Lava Beds National Monument. Comment
  CAS-BOT-BC50349  Packera cana Harry Dwight Dillon Ripley; Rupert Charles Barneby 1944-5-31 5995 Modoc NW of Alturas. 1524 Comment
  CAS-BOT-BC50350  Packera cana Bruce Bartholomew 1991-6-21 5831 Modoc W side of Goose Lake, 1.4 km N of junction with Forest Service road 73. 1450 Comment
  HSC6104  Packera cana M. T. Milligan 1966-8-3 628 Modoc W slope of Eagle Peak 2439 Comment
  SJSU9651  Packera cana W. Savage 1979-7-8 1486 Modoc N end Fairchild Swamp Unit, Devils Garden District, Modoc National Forest 1493 Comment
  JEPS6010  Packera eurycephala Frances D. Payne 1932-6-22 581 Modoc s and e of Alturas; Warner Mountains, Parker Creek 1584 Comment
  SEINET11744641 Image available Packera eurycephala M. J. Williams 1984-6-30 84- 83 -1 Modoc 16.3 mi on Parker Creek road, paved road to Cedar Pass road 1.5 mi 1524 Comment
  UCD134775  Packera eurycephala B. L. Kay 1960-6-1 s.n. Modoc 2.5 miles northeast of Likely. 1371 Comment
  CAS-BOT-BC316873  Packera eurycephala var. eurycephala R. M. Austin 1894-7-1 s.n. Modoc Goose Lake Valley Comment
  UC35986  Packera eurycephala var. eurycephala Mrs. R. M. Austin Aug 1894 Modoc Goose Lake Valley Comment
  UC1234584  Packera eurycephala var. eurycephala Peter H. Raven 1962-5-29 17892 Modoc 6 mi e Alturas Comment
  UC485576  Packera pseudaurea subsp. pseudaurea W. P. Taylor and H. C. Bryant 1910-7-13 Modoc Parker Cr. , Parker Cr. (Warner Mts.) 2133 Comment
  POM36761  Packera pseudaurea var. pseudaurea Mrs. R. M. Austin 1895-07 558 Modoc Goose Lake Valley. 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-BC190771  Paeonia brownii Bruce Bartholomew 1994-7-2 6815 Modoc E of Bald Mtn. on E side of the Warner Mountains. 2230 Comment
  CAS-BOT-BC190773  Paeonia brownii K. Paulson; Robert Paulson 1988-6-11 36 Modoc W bank of Stough Reservoir, Warner Mts.. 1524 Comment
  JEPS60651  Paeonia brownii Frances D. Payne 1929-7-7 68 Modoc 2 mi sw Mt. Warren (se Modoc Co.); Pine Creek Basin 2133 Comment
  RSA0013799  Paeonia brownii Joan Stewart 2005-6-6 2485 Modoc Stowe Reservoir, Warner Mountains. Comment
  RSA434234  Paeonia brownii Christopher Davidson 1975-6-3 2587 Modoc East of Goose Lake, ca. 1 mile south of Willow Ranch on Highway 395 north of Alturas 1341 Comment
  CAS-BOT-BC247557  Panicum capillare Louis Cutter Wheeler 1935-9-13 3984 Modoc Fletcher Creek. 1524 Comment
  POM229219  Panicum capillare L. C. Wheeler 1935-9-13 3984 Modoc Devil's Garden; Fletcher Creek at Pease Place 1524 Comment
  UC1024778  Panicum capillare Leo Whitney 2246 Modoc ca 15 mi nw Canby (Hackamore, Modoc National Forest); Modoc National Forest, Hackamore 1463 Comment
  CAS-BOT-BC225849  Parnassia fimbriata Leland S. Smith 1918-8-26 1049 Modoc Head of canyon, Owl Creek Canyon. 2286 Comment
  NY783754  Parnassia fimbriata B. M. Bartholomew 1990-8-4 5651 Modoc Side tributary in upper reaches of Owl Creek drainage, east side of Warner Mountains 2500 Comment
  HSC80739  Pedicularis attollens G. M. Riegel 1980-8-9 1002 Modoc S Warner Mtns. 1670 Comment
  CAS-BOT-BC232340  Penstemon davidsonii var. davidsonii Leland S. Smith 1917-7-2 58 Modoc Shields Creek. 2316 Comment
  CAS-BOT-BC232341  Penstemon davidsonii var. davidsonii Annie Montague Alexander; L. Kellogg 1946-7-23 5046 Modoc Emerson Peak, Warner Mountains 2749 Comment
  CAS-BOT-BC232328  Penstemon deustus var. pedicellatus Francis Dorris Payne 1932-6-10 532 Modoc Parker Creek. 1584 Comment
  CAS-BOT-BC232336  Penstemon deustus var. pedicellatus John Thomas Howell 1934-6-11 11919 Modoc Parker Creek, Warner Mountains 1584 Comment
  CAS-BOT-BC232371  Penstemon deustus var. pedicellatus Annie Montague Alexander; L. Kellogg 1946-6-28 4868 Modoc Pine Creek Canyon, North end of Warner Mountains 1615 Comment
  CAS-BOT-BC232373  Penstemon deustus var. pedicellatus Roxana Stinchfield Ferris; R. Duthie 1919-6-13 100 Modoc Above Parker Creek, Warner Mountains Comment
  UC71747  Penstemon deustus var. pedicellatus Mrs. M. H. Manning 1903-6-8 158 Modoc Mt. Bidwell Mt. Bidwell (north-eastern Modoc County) 1676 Comment
  CAS-BOT-BC245536  Penstemon gracilentus Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10520 Modoc Patterson Ranger Station (East Creek drainage). 2164 Comment
  CAS-BOT-BC245541  Penstemon gracilentus Elmer Ivan Applegate 1932-7-31 7959 Modoc Mill Creek Meadow, Warner Mountains Comment
  HSC80750  Penstemon gracilentus G. M. Riegel 1980-7-29 966 Modoc S Warner Mtns. 1829 Comment
  UC748182  Penstemon gracilentus Annie M. Alexander and Louise Kellogg 1946-6-28 4861 Modoc Pine Creek Canyon n end Warner Mountains, Pine Creek Canyon 2011 Comment
  UC27452  Penstemon gracilentus Milo S. Baker 1893-6 Modoc Comment
  CAS-BOT-BC245522  Penstemon humilis var. humilis John Thomas Howell 1934-7-1 12337 Modoc Duncan Horse Camp. 1355 Comment
  CAS-BOT-BC245525  Penstemon humilis var. humilis C. C. (Mrs.) Bruce 1899-8-1 2362 Modoc Mt. Bidwell. Comment
  SEINET10444506  Penstemon janishiae K. Paulson, R. Paulson 1988-1 21 Modoc Barnes Grade, Crowder Flat Road to Devil's Garden. 1433 Comment
  RSA78969  Penstemon laetus var. sagittatus E. K. Balls, Percy C. Everett 1952-10-11 18167 Modoc 6.7 mi W of turn off Hwy 139 on road to Pumice Pits at E edge of Glass Flow. 1280 Comment
  CAS-BOT-BC245566  Penstemon roezlii Francis Dorris Payne 1929-6-28 29 Modoc Parker Creek. 1584 Comment
  JEPS126555  Penstemon roezlii Lowell Ahart, John Dittes 2016-6-6 20944 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
  UC690358  Penstemon roezlii David D. Keck and J. Clausen 1935-6-24 3712 Modoc 3 mi ne Willow Ranch (e of Goose Lake); , ne of Willow Ranch 1550 Comment
  CAS-BOT-BC232503  Penstemon roezlii C. C. (Mrs.) Bruce 1899-8-1 2961 Modoc unspecified Comment
  CAS-BOT-BC245570  Penstemon roezlii Gordon H. True 1964-6-3 1462 Modoc N Fork of Pit River brtween Alturas and Goose Lake. 1432 Comment
  CAS-BOT-BC245571  Penstemon roezlii Milo Samuel Baker 1893-7-18 s.n. Modoc unspecified Comment
  JEPS15476  Penstemon roezlii Joseph and Hilda W. Grinnell 1938-6-16 1108 a Modoc Cedar Pass summit Warner Mountains, Cedar Pass summit 1935 Comment
  CAS-BOT-BC245485  Penstemon rydbergii var. oreocharis C. L. Hitchcock 1940-5-28 6726 Modoc 15 mi. N of Alturas (near Surprise). 1402 Comment
  CAS-BOT-BC245506  Penstemon rydbergii var. oreocharis Bruce Bartholomew 1990-6-16 5276 Modoc Bear Flat, W side of Warner Mountains. 1830 Comment
  CHSC85119  Penstemon rydbergii var. oreocharis John Dittes; Josephine Guardino 1991-7-21 420 Modoc Modoc Plateau; Big Valley; Ash Creek Wildlife Area; ca. 5.7 air-miles northeast of Bieber, ca. 7.6 air-miles west of Adin, ca. 1.5 air-mile southeast of Pilot Butte summit; meadow at northern edge of Ash Creek Floodplain (Big Swamp) at southeast base of Pilot Butte. 1258 Comment
  JEPS11467  Penstemon rydbergii var. oreocharis L. S. Smith 1920-7-13 1182 Modoc Crowder Flat Ranger Station Comment
  JEPS15587  Penstemon rydbergii var. oreocharis Frances D. Payne 1931-6-12 155 Modoc Parker Creek Warner Mountains, Parker Creek 1584 Comment
  POM260366  Penstemon rydbergii var. oreocharis C. Leo Hitchcock 1940-5-28 6726 Modoc 15 miles N of Alturas. 1402 Comment
  CAS-BOT-BC245488  Penstemon rydbergii var. oreocharis R. M. Austin 1898-7-1 2358 Modoc Fields. Comment
  CAS-BOT-BC245543  Penstemon speciosus C. L. Hitchcock 1940-5-27 6666 Modoc 15 mi. NE of Alturas. 1615 Comment
  CAS-BOT-BC245550  Penstemon speciosus Elmer Ivan Applegate 1932-8-1 8037 Modoc High arid summit of Warner Mts. S of Warren Peak. Comment
  UC27471  Penstemon speciosus Mrs. R. M. Austin and Bruce June 1898 2360 Modoc Hillside Comment
  CAS-BOT-BC214731  Peraphyllum ramosissimum Elmer Ivan Applegate 1897-6-5 849 Modoc Along Pit River below Alturas. Comment
  CAS-BOT-BC214733  Peraphyllum ramosissimum James Vale; Keith Wagnon; Walter Knight; Irja Knight 1981-5-21 4123 Modoc Devil's Garden on Crowder Flat Road, near Alturas. 1706 Comment
  UC1179104  Peraphyllum ramosissimum Herbert L. Mason 13359 Modoc s of Alturas (on Highway 395) Comment
  SEINET11142109  Perideridia bolanderi subsp. bolanderi M. J. Williams 1984-7-1 84- 86 -1 Modoc Crowder Flat Road, 3.1 miles N of Hwy 299. 1341 Comment
  HSC21603  Perideridia gairdneri subsp. gairdneri M. T. Milligan 1966-8-3 625 Modoc W slope of Eagle Peak 2439 Comment
  HSC80791  Perideridia gairdneri subsp. gairdneri G. M. Riegel 1979-9-1 736 Modoc S Warner Mtns. 1670 Comment
  CHSC39010  Perideridia oregana J. D. Jokerst 1983-7-12 1837 Modoc Immediately east of a large vernal lake that is just south of the jct. of Hwy 139 and Loveness Rd. 1478 Comment
  CAS-BOT-BC218153  Persicaria maculosa Bruce Bartholomew 1994-10-8 6878 Modoc 1.8 km S of Lookout - Adin Road on County Road 87A. 1260 Comment
  RSA181790  Phacelia adenophora H. N. Metcalf, J. C. Wilson 1965-7-1 65 -21 Modoc Davis Creek. Comment
  CAS-BOT-BC179277  Phacelia glandulifera Bruce Bartholomew 1993-6-13 6624 Modoc Near Fortynine Creek, E of Cedarville on E side of Surprise Valley. 1400 Comment
  SJSU11217  Phacelia hastata J. W. Tilden 1958-6-25 1266 Modoc near Monument Hdqtrs, Lava Beds National Monument Comment
  CAS-BOT-BC179264  Phacelia hastata subsp. hastata Bruce Bartholomew; Barrett Anderson 1988-7-21 4451 Modoc Vicinity of Patterson Campground, southern end of the Warner Mts. 2190 Comment
  CAS-BOT-BC179257  Phacelia hastata subsp. hastata Milo Samuel Baker; Franklin P. Nutting 1894-6-5 s.n. Modoc Big Valley Mts. Comment
  HSC81101  Phacelia heterophylla G. M. Riegel 1980-6-30 776 Modoc S Warner Mtns. 1670 Comment
  CAS-BOT-BC180011  Phacelia heterophylla subsp. virgata Bruce Bartholomew; Barrett Anderson 1990-7-21 5549 Modoc W edge of Middle Alkali Lake, directly E of Cedarville, Surprise Valley. 1370 Comment
  CAS-BOT-BC180013  Phacelia heterophylla subsp. virgata John Thomas Howell 1934-6-11 11911 Modoc Parker Creek. 1584 Comment
  HSC30188  Phacelia heterophylla subsp. virgata D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19468 Modoc Upper Rush Creek Campground, about 8 mi. N of Adin on Hwy. 299 Comment
  CDA40416  Phacelia heterophylla subsp. virgata Alice Eastwood & John Thomas Howell 1940-6-13 8119 Modoc Suprise. 0 Comment
  JEPS4037  Phacelia heterophylla subsp. virgata Frances D. Payne 1931-7-5 324 Modoc about 3 mi n Parker Creek (s and e of Alturas); Warner Mountains, Fern Spring 1828 Comment
  UC1051772  Phacelia heterophylla subsp. virgata L. R. Heckard 1952-6-19 311 Modoc slopes above Cedarville Pass (ne of Alturas on road to Cedarville); Warner Mountains 2011 Comment
  JEPS2124  Phacelia humilis L. S. Smith 1918-7-11 984 Modoc Mill Creek Meadows Modoc <National> Forest 2087 Comment
  UC711822  Phacelia humilis Roxana S. Ferris and Laura Lorraine 1941-8-13 10542 Modoc Patterson Ranger Station (East Creek drainage) Warner Mountains, Modoc National Forest 2164 Comment
  UCD120531  Phacelia humilis B. L. Kay 1958-6-1 s.n. Modoc 2 miles northeast of Likely. Comment
  CAS-BOT-BC179973  Phacelia humilis var. humilis John Thomas Howell 1934-6-13 12062 Modoc Fandango Pass. 1828 Comment
  CAS-BOT-BC179989  Phacelia humilis var. humilis Elmer Ivan Applegate 1897-6-4 874 Modoc Near Likely. Comment
  CAS-BOT-BC179991  Phacelia humilis var. humilis John Thomas Howell 1934-6-13 12062 Modoc Fandango Pass. 1828 Comment
  CAS-BOT-BC179993  Phacelia humilis var. humilis K. Paulson; Robert Paulson 1989-6-28 152 Modoc Vicinity of Granger Creek, E side of the Warner Mts. 1905 Comment
  RSA293422  Phacelia humilis var. humilis Reino Alava 1957-7-5 1179 Modoc About one mile east of Benton Meadows, Warner Mountains. Comment
  SD130516  Phacelia humilis var. humilis B. Bartholomew, B. Anderson 1988-7-22 4478 Modoc East Creek Trailhead, southern end of the Warner Mts., Emerson Peak. Sierran Montane forest. 2210 Comment
  CAS-BOT-BC179966  Phacelia inundata Milo Samuel Baker 1936-6-14 8307 Modoc Marlin to Canby several mi N of Quarantine Station. Comment
  CAS-BOT-BC179970  Phacelia inundata Bruce Bartholomew; M; M. Gilbert; L. E. Skog 1993-5-10 6452 Modoc At the Nevada border directly E of Eagleville, E side of Surprise Valley. 1520 Comment
  CAS-BOT-BC179971  Phacelia inundata Dean W. Taylor; et al 1987-8-9 9271 Modoc Dry Lake. 1341 Comment
  CAS-BOT-BC179953  Phacelia linearis Bruce Bartholomew; Barrett Anderson 1989-6-1 4736 Modoc ca. 0.5 km S of State Hwy 299 on road to Shaker Spring. 1420 Comment
  JEPS2135  Phacelia linearis L. S. Smith 1103 Modoc Deep Creek Ranger Sta. Warner Mts. (s of mts., w of Cedarville) 1493 Comment
  SD131873  Phacelia linearis Barbara Ertter 1988-6-18 7621 Modoc Highway 139, ca. 50 airmiles southwest of Klamath Falls, a few miles north of Agricd. Inspection Station, 1.0 mile south of S. jct. to Lava Beds National Monument east of Tonesta. 1310 Comment
  UC1562693  Phacelia linearis Barbara Ertter 1988-6-18 7621 Modoc Hwy 139 1 mi s S jct to Lava Beds Nat'l Monument (a few mi n of Agric. Inspection Station, ca 50 air mi sw of Klamath Falls, e of Tonesta) 1310 Comment
  UC932005  Phacelia linearis Verne Grant and Alva Grant 1947-7-13 8017 Modoc Fandango Pass Warner Mountains Comment
  CAS-BOT-BC179951  Phacelia linearis C. C. (Mrs.) Bruce 1899-7-1 2193 Modoc Hills. Comment
  CAS-BOT-BC179940  Phacelia mutabilis John Thomas Howell june 13, 1934 12047 Modoc Fandango Pass 1828 Comment
  UC660147  Phacelia ramosissima var. ramosissima Marion Ownbey and Fred G. Meyer 1940-7-1 2156 Modoc Cedar Peak Warner Mts. (se slopes) Comment
  UC748437  Phacelia ramosissima var. ramosissima Annie M. Alexander and Louise Kellogg 1946-6-10 4707 Modoc lava bench between Lower Lake and Snake Lake Comment
  POM127617  Phacelia sericea M. French Gilman 606 Modoc [No location information on label.] 2134 Comment
  CAS-BOT-BC179928  Phacelia sericea var. ciliosa Francis Dorris Payne 1932-7-21 721 Modoc Ridge N of Mt Warren. 2438 Comment
  JEPS1335  Phacelia sericea var. ciliosa L. S. Smith 1918-8-17 1038 Modoc Eagle Pk. Ridge Modoc <National> Forest, Warner Mts. (at Break) 2621 Comment
  UC748117  Phacelia sericea var. ciliosa Annie M. Alexander and Louise Kellogg 1946-8-9 5129 Modoc Patterson Lake Trail Warner Mountains Comment
  UC1586865  Phacelia thermalis Juha Pykala and D. H. Norris 1987-5-27 1133 Modoc Crowder Flat Rd about 7 road mi from Hwy 299; Modoc National Forest 1540 Comment
  UC56441  Phacelia thermalis Milo S. Baker 1899-8-18 Modoc Little Hot Spring Valley; ; Little Hot Spring Valley, Modoc Co. Comment
  RSA502344  Phacelia thermalis D. W. Taylor, R. A. Price 1988-6-4 9761 Modoc Tule Lake Basin; Dobie Flat, ca. 2.6 miles south 10 degrees east of Casuse Mountain. 1280 Comment
  CHSC113064  Phalaris arundinacea Lowell Ahart; John Dittes 2013-7-24 18925 Modoc On the north side 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. 1262 Comment
  CHSC27609  Phleum alpinum Robert A. Schlising 1978-7-29 3322 Modoc Warner Mountains, Pine Creek Basin, S Warner Wilderness. Meadow at streamside. Comment
  HSC10587  Phleum alpinum M. T. Milligan 1964-7-25 175 Modoc Pine Creek Basin, along trail. 2439 Comment
  CAS-BOT-BC247597  Phleum pratense Bruce Bartholomew; Barrett Anderson 1988-7-22 4477 Modoc Vicinity of East Creak Trailhead, southern end of the Warner Mts. 2210 Comment
  CAS-BOT-BC197943  Phlox diffusa Annie Montague Alexander; L. Kellogg 1946-6-5 4669 Modoc Emerson Creek, S of Eagleville. 1889 Comment
  CAS-BOT-BC197950  Phlox diffusa C. C. (Mrs.) Bruce 1898-7-1 2331 Modoc Head Davis Creek. Comment
  JEPS69976  Phlox diffusa Frances D. Payne 1931-6-29 291 Modoc e slope Warren Peak; Warner Mountains 2286 Comment
  UC449763  Phlox diffusa M. F. Gilman 659 Modoc 1676 Comment
  CAS-BOT-BC197922  Phlox douglasii subsp. rigida Elmer Ivan Applegate 1932-8-3 8127 Modoc Arid summit of Eagle Peak. 3017 Comment
  CAS-BOT-BC197925  Phlox douglasii subsp. rigida Roxana Stinchfield Ferris; R. Duthie 1919-6-14 66 Modoc Above Parker Creek, Modoc National Forest boundary. Comment
  CAS-BOT-BC197936  Phlox douglasii subsp. rigida Bruce Bartholomew 1990-6-16 5264 Modoc W side of Pine Creek Basin, Warner Mountains. 2200 Comment
  CAS-BOT-BC197941  Phlox douglasii subsp. rigida Leland S. Smith 1922-5-28 1240 Modoc Happy Camp Mt. 1889 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
  CAS-BOT-BC197891  Phlox hoodii subsp. canescens Leland S. Smith 1917-7-2 73 Modoc Warren Mt. 2133 Comment
  CAS-BOT-BC197893  Phlox hoodii subsp. canescens Bruce Bartholomew 1991-5-25 5753 Modoc Ca. 6 km NW of Tionesta on road to Lava Beds National Monument. 1310 Comment
  SBBG6053  Phlox hoodii subsp. canescens H. and M. Dearing 1939-6-9 3628 Modoc near Squaw Peak, Warner Mtns 2133 Comment
  SJSU9548  Phlox hoodii subsp. canescens W. Savage 1979-7-3 1282 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  SEINET3145526  Phlox longifolia E. K. Balls 1950-5-10 15958 Modoc Hwy 395, 8.5 mi NE of Alturas 1524 Comment
  CAS-BOT-BC197871  Phlox stansburyi E. S. Willits 1940-4-27 195 Modoc Near quarantine station, Alturas. Comment
  CAS-BOT-BC197873  Phlox stansburyi Bruce Bartholomew 1991-5-25 5744 Modoc McGinty Point, SW side of Goose Lake. 1470 Comment
  JEPS70010  Phlox stansburyi Milo S. Baker 1893-6 Modoc Forestdale Comment
  HSC17180  Phlox stansburyi M. T. Milligan 1964-4-25 Modoc 1 mi. up Barns Grade Rd. at stock pens Comment
  JEPS70004  Phlox stansburyi Frances D. Payne 1932-6-8 420 Modoc 3 mi n Alturas (on road to Cedarville) Comment
  CAS-BOT-BC58306  Phoenicaulis cheiranthoides Annie Montague Alexander; L. Kellogg 1946-6-26 4834 Modoc Dismal Swamp, N end of Warner Mts. 2255 Comment
  CAS-BOT-BC58581  Phoenicaulis cheiranthoides Elmer Ivan Applegate 1932-7-9 7592 Modoc N slope of Bidwell Mountain, Warner Mts. Comment
  HSC6880  Phoenicaulis cheiranthoides M. T. Milligan 1967-7-8 663 Modoc W slope of Eagle Peak 2500 Comment
  SJSU5792  Phoenicaulis cheiranthoides H. L. Buckalew 1961-6-27 Modoc SW facing c. 1 mi N of Cedar Pass on Alturas-Cedarville Rd Comment
  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
  UC117652  Phoenicaulis cheiranthoides unknown Apr. 1890 465 Modoc Goose Lake Valley Comment
  UC673294  Phoenicaulis cheiranthoides Mrs. B. A. Crabtree 1926-4-12 Modoc Davis Creek Comment
  CHSC112775  Pilularia americana Lowell Ahart; John Dittes 2013-7-24 18924 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
  JEPS127204  Pilularia americana Lowell Ahart, John Dittes 2016-6-6 20956 Modoc About one mile south the intersection of County Road 87 and Access Road to Pilot Butte Parking Area, 3.8 miles (air) east of Lookout, 7.5 miles (air) west of Adin, Ash Creek State Wildlife Area. Comment
  CAS-BOT-BC30198  Pinus albicaulis Robert Patterson; Mona Bourell 1993-8-15 5244 Modoc Warner Mountains. Along trail from Patterson Lake to ca. 2 mi north towards Pepperdine Trailhead. 2743 Comment
  CAS-BOT-BC73411  Pinus albicaulis Elmer I. Applegate 1932-8-5 8169 Modoc Summit of Cedar Mountain, Warner Mountains. 2438 Comment
  CAS-BOT-BC78284  Pinus attenuata M. B. Kildale 1926-9-11 2773 Modoc between Alturas + the Oregon line 1371 Comment
  CAS-BOT-BC73240  Pinus contorta subsp. murrayana A. D. Borden 1911-6-15 s.n. Modoc Head of middle fork of Davis Creek. Comment
  HSC80920  Pinus contorta var. murrayana G. M. Riegel 1979-8-23 704 Modoc S Warner Mtns., plot 207 1829 Comment
  POM203789  Pinus contorta var. murrayana J. T. Howell 1934-6-14 12108 Modoc Near Lost Lake, Warner Mts. 2439 Comment
  HSC80918  Pinus monticola G. M. Riegel 1979-9-1 726 Modoc S Warner Mtns. 1670 Comment
  NY60274  Pinus washoensis B. M. Bartholomew 1994-7-2 6821 Modoc Just north of South Fork of Davis Creek near the crest of the Warner Mountains 2300 Comment
  UC1037244  Plagiobothrys cognatus Leo Whitney 1934-5-24 1629 Modoc 15 mi nw Canby (Hackamore, shore of Lake Joaquina); Modoc National Forest, Lake Joaquina, Hackamore 1463 Comment
  JEPS121217  Plagiobothrys cusickii Lowell Ahart, John Dittes 2013-7-24 18920 Modoc N side of Ash Creek Floodplain, 0.54 air miles SE of Pilot Butte parking area, 1.1 air miles S of County Road 87, 6.8 air miles W of Adin, Big Valley. Comment
  JEPS90163  Plagiobothrys hispidus Dean Wm. Taylor with Glenn L. Clifton 1989-8-5 10466 Modoc Warner Mountains, s base of Eagle Peak Eagle Peak; Warner Mountains, Eagle Peak 2865 Comment
  CHSC67089  Plagiobothrys leptocladus James D. Jokerst 1987-5-13 2858 Modoc Radar Survey Site S of Doublehead Mtn., S of Clear Lake Reservoir, dry lake W and adjacent to n end of central sector. 1353 Comment
  UC1037243  Plagiobothrys mollis Leo Whitney 1934-5-24 1628 Modoc ca 15 mi nw Canby (Lake Joaquina, Hackamore); Modoc National Forest, Lake Joaquina, Hackamore 1463 Comment
  RSA531369  Plagiobothrys mollis Bruce Bartholomew 1990-7-19 5401 Modoc Turner Creek at County Road 90, N end of Big Valley. 6.4 km N of Lassen County border 1230 Comment
  CAS-BOT-BC58798  Plagiobothrys mollis var. mollis Bruce Bartholomew; Barrett Anderson 1990-7-19 5401 Modoc Turner Creek at County Rd 90, N end of Big Valley, 6.4 km N of Lassen County border. 1230 Comment
  CHSC85097  Plagiobothrys mollis var. mollis John Dittes; Josephine Guardino 1991-7-21 414 Modoc Modoc Plateau; Big Valley; Ash Creek Wildlife Area; ca. 5.7 air-miles northeast of Bieber, ca. 7.6 air-miles west of Adin, ca. 1.5 air-mile southeast of Pilot Butte summit; meadow at northern edge of Ash Creek Floodplain (Big Swamp) at southeast base of Pilot Butte. 1258 Comment
  JEPS117365  Plagiobothrys mollis var. mollis Lowell Ahart, John Dittes 2010-8-30 17077 Modoc About 25 yards east of the fence, south edge of the meadow, Ash Creek State Wildlife Area, 2300 feet north of Lassen County line, 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley 1267 Comment
  RSA0020681  Plagiobothrys salsus R. B. Kelley 2005-6-26 883 Modoc Along SR 299. No specific locality data provided. Comment
  CAS-BOT-BC58732  Plagiobothrys scouleri Bruce Bartholomew; Barrett Anderson 1988-7-22 4547 Modoc Benton Meadow, Warner Mts.. 2180 Comment
  CAS-BOT-BC58742  Plagiobothrys scouleri John Thomas Howell 1934-6-12 12006 Modoc Davis Creek. Comment
  SEINET10546952  Plagiobothrys scouleri var. hispidulus David B. Dunn, Paul Gallian 1971-6-2 Dunn 17775 Modoc 9 mi SW of Canby on CA Hwy 299, in decomposed granite; in Artemesia, very moist season of year with melting patches of snow. Pinus ponderosa-juniper assoc. 30-40 slope. 1463 Comment
  POM107764  Platanthera leucostachys Mrs. R. M. Austin 488 Modoc Davis Creek. Comment
  JEPS64453  Platanthera stricta Leland S. Smith 1918-6-22 943 Modoc n-nw slope along creek Modoc Forest, High Grade District, Pine Creek 1828 Comment
  CAS-BOT-BC245401  Plectritis macrocera F. Angwin 1946-5-3 s.n. Modoc Big Valley, 2 miles NW of Adin. 1280 Comment
  CAS-BOT-BC245403  Plectritis macrocera John H. Hatton 1911-6-13 80 Modoc Modoc County. 1371 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
  HSC31369  Plectritis macrocera D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19375 Modoc Along the S Fork of the Pit River, ~6 mi. E of Likely. Comment
  UC416750  Plectritis macrocera Milo S. Baker Modoc Forestdale Comment
  UC71838  Plectritis macrocera Mrs. M. H. Manning 1903-4-30 92 Modoc near Fort Bidwell (in north-eastern Modoc County) Comment
  UC28851  Plectritis macrocera Milo S. Baker Jun 15 1893-Jul 6 1893 Modoc California Comment
  RSA152450  Plectritis macrocera subsp. grayi I. L. Wiggins, Dorothy Wiggins 1961-6-12 16420 Modoc Near summit of Cedar Pass, between Alturas and Cedarville. 1951 Comment
  POM319516  Poa Patricia Wilder 1971-6-20 5080 Modoc North part of Egg Lake (now a meadow), northwest of Lookout; north of Bieber and California State Highway 299; Modoc National Forest. Cascades Mt. Range. 1372 Comment
  CAS-BOT-BC247577  Poa X limosa John Thomas Howell 1934-7-1 12346 Modoc Duncan Horse Camp. Comment
  CAS-BOT-BC247623  Poa X limosa Leland S. Smith 1924-6-29 1434 Modoc Happy Camp. 1524 Comment
  HSC80829  Poa bolanderi G. M. Riegel 1979-9-1 730 Modoc S Warner Mtns. 1829 Comment
  HSC10656  Poa bulbosa M. T. Milligan 1964-6-20 74 Modoc Old Rodeo Grounds, Alturas. 1372 Comment
  SEINET201657 Image available Poa canbyi Unknown 1959-6-19 8491 Modoc At Clear Lake; Warner Mts. 15 miles east of Likely . 1769 Comment
  CAS-BOT-BC255129  Poa cusickii Isabel T. Kelly 1930-1-1 22 Modoc Unspecified Comment
  CAS-BOT-BC247614  Poa pratensis subsp. pratensis Bruce Bartholomew 1990-6-17 5308 Modoc Vicinity of Emerson Camp near roadhead, E side of Warner Mts. 1750 Comment
  UC1925917  Poa pratensis subsp. pratensis Annie Alexander and Louise Kellogg 1946-6-18 4793 Modoc Same loc. as on June 14 Comment
  UC711805  Poa pratensis subsp. pratensis Roxana S. Ferris and Laura Lorraine 1941-8-13 10532 Modoc Patterson Ranger Station (East Creek drainage) Patterson Ranger Station; Modoc Nat'l Forest, Warner Mts 2164 Comment
  CAS-BOT-BC247621  Poa pratensis subsp. pratensis John H. Hatton 1911-6-12 46 Modoc Modoc County. 1493 Comment
  UCD90461  Poa secunda E. Wilson 1935-5-14 s.n. Modoc E side of Cedar Pass. Comment
  UC1025066  Poa secunda subsp. juncifolia Leo Whitney 1935-7-21 3551 Modoc 15 mi w Canby (Happy Camp); Modoc Nat'l Forest 1463 Comment
  UCD92398  Poa secunda subsp. juncifolia L. S. Smith 1918-8-18 1042 a Modoc Bear Mt. Ridge. Comment
  CAS-BOT-BC247658  Poa secunda subsp. secunda E. S. Willits 1940-5-6 217 Modoc Near Lassen Creek, Willow Ranch. Comment
  UC535950  Poa secunda subsp. secunda Elmer I. Applegate 1927-4-24 5004 Modoc Modoc Battle Ground; Modoc Lava Beds Comment
  UC790977  Poa secunda subsp. secunda A. A. Beetle 1941-6-29 2827 Modoc near summit Cedarville Pass 2118 Comment
  UCD90722  Poa secunda subsp. secunda J. E. Coke 1932-11-1 s.n. Modoc Modoc County. 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-BC252520  Poa wheeleri Bruce Bartholomew; Barrett Anderson 1989-6-2 4774 Modoc Buck Creek, 1 cm NE of Fandango Pass Road, W side of the Warner Mountains. 1660 Comment
  HSC65262  Poa wheeleri J. P. Smith, J. O. Sawyer 1973-8-8 7228 Modoc Near summit of Eagle Peak 2988 Comment
  CAS-BOT-BC252514  Poa wheeleri John H. Hatton 1911-6-10 30 Modoc Modoc County. 1371 Comment
  RSA0025583  Poaceae John F. Emmel 1996-7-16 1437 Modoc Larkspur Hills east of Surprise Valley; along west side of Fee Reservoir adjacent to campground. 1610 Comment
  CAS-BOT-BC179346  Pogogyne floribunda James D. Jokerst 1987-6-23 2930 Modoc Ca. 2 mi. SW of Doublehead Mountain. Comment
  CAS-BOT-BC179356  Pogogyne floribunda Bruce Bartholomew 1991-7-5 5937 Modoc Vicinity of the outlet of Dorris Brothers Reservoir. 1500 Comment
  CHSC67513  Pogogyne floribunda J. D. Jokerst 1987-6-23 2930 Modoc Modoc National Forest, Devils Garden Ranger District (south of Clear Lake). About 2 miles SW of Doublehead Mountain. Comment
  CHSC67518  Pogogyne floribunda J. D. Jokerst 1987-6-23 2931 Modoc Modoc National Forest, Devils Garden Ranger District (south of Clear lake). Small lake several hundred meters S of Doublehead Lake. Comment
  SD149136  Pogogyne floribunda B. Bartholomew 1991-7-5 5932 Modoc Cow Head Tank, ca. 6.0 km northwest 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
  CAS-BOT-BC95165  Polanisia dodecandra subsp. trachysperma Leland S. Smith 1918-9-29 1057 Modoc Granger Canyon, Suprise Valley. 1676 Comment
  CAS-BOT-BC248380  Polanisia dodecandra subsp. trachysperma L. S. Smith 1918-9-25 1057 Modoc Modoc National Forest. Granger & So. Deep Cr. Slopes 1828 Comment
  CAS-BOT-BC95167  Polanisia dodecandra subsp. trachysperma P. Monnet 1913-7-7 876 Modoc Warner's Range. 1524 Comment
  CAS-BOT-BC197851  Polemonium micranthum Bruce Bartholomew; Barrett Anderson 1989-4-29 4671 Modoc 6.4 km E of Fort Bidwell on road to Fee Reservoir, NE corner of Surprise Valley. 1460 Comment
  HSC104011  Polemonium micranthum L. Ahart, John Dittes 2008-6-21 14981 Modoc About 5.4 air mi. NE of Bieber, ~2.8 air mi. N of the Headquarters at Ash Creek State Wildlife Area, west of the large levee, mountain meadow in Big Valley 1256 Comment
  UC23985  Polemonium micranthum Mrs. R. M. Austin May 1894 Modoc Goose Lake Valley Comment
  JEPS69904  Polemonium micranthum Fred P. Cronemiller 1920-8-10 20 Modoc Mill Creek Meadows Modoc National Forest, Mill Creek Meadow 2087 Comment
  SBBG128876  Polemonium micranthum L. Ahart, J. Dittes 2008-6-21 14981 Modoc N of large culvert, W of large levee, mtn meadow, in Big Valley, ca. 2.8 mi (air) N of the Heaquarters at Ash Crk State Wildlife Area, ca. 5.4 mi (air) NE of Bieber 1255 Comment
  CAS-BOT-BC197853  Polemonium occidentale Bruce Bartholomew 1994-7-2 6795 Modoc Joseph Creek Basin, W side of the Warner Mountains. 1650 Comment
  JEPS49470  Polygonum Louis C. Wheeler 1935-8-25 3919 Modoc Rim Rock Valley Reservoir, Devil's Garden, Mt. Diablo Mer. Devil's Garden; Rim Rock Valley Reservoir, Devil's Garden 1524 Comment
  NY404673  Polygonum austiniae R. M. Austin 1886-1 s.n. Modoc Comment
  CHSC52636  Polygonum aviculare James Jokerst 1983-7-27 1908 Modoc Near Signal Butte. 1340 Comment
  RSA530111  Polygonum buxiforme D. W. Taylor, G. L. Clifton 1989-8-6 10486 Modoc bed of Snake Lake 1570 Comment
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Mar 12 2011
  CDA2802  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
  CAS-BOT-BC218140  Polygonum douglasii Alice Eastwood; John Thomas Howell 1914-6-14 8223 A Modoc 8 mi. NW of Canby. Comment
  CAS-BOT-BC218141  Polygonum douglasii John Thomas Howell 1934-6-30 12276 Modoc Duncan Horse Camp. 1355 Comment
  JEPS121205  Polygonum douglasii Lowell Ahart, John Dittes 2013-7-25 18964 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
  UC6695  Polygonum douglasii subsp. douglasii Milo S. Baker 1893-6-20 Modoc Egg Lake Comment
  SEINET3087353 Image available Polygonum douglasii var. johnstonii Arnold Tiehm 1984-6-30 8841 Modoc Northwest side of Bidwell Mountain, 2.8 road miles north of 8 mile creek on the road from Lake Annie 1829 Comment
  RSA210873  Polygonum lapathifolium Robert F. Thorne, James Henrickson, C. W. Tilforth 1969-9-4 39107 Modoc N Fork of Pit River 3.4 mi N of Alturas where crossed by Hwy 395. 1341 Comment
  CAS-BOT-BC218171  Polygonum polygaloides subsp. confertiflorum Alice Eastwood; John Thomas Howell 1940-6-14 8210 Modoc 8 mi. NW of Canby. Comment
  CAS-BOT-BC218173  Polygonum polygaloides subsp. confertiflorum Bruce Bartholomew; Barrett Anderson 1988-5-12 4097 Modoc White Horse. 1340 Comment
  CHSC67586  Polygonum polygaloides subsp. confertiflorum James D. Jokerst 1990-8-2 3212 Modoc Hwy. 139 NW of Canby, 5.3 mi W of junction with Loveness Rd. Comment
  JEPS98241  Polygonum polygaloides subsp. confertiflorum R. E. Preston 2000-7-18 1412 Modoc 14 mi NW of Canby (on N side of Hwy 139; ca 0.9 mi e of FSR 44N11) 1466 Comment
  RSA32012  Polygonum polygaloides subsp. confertiflorum A. A. Heller 1938-6-24 15230 Modoc 2 miles E of McArthur. 1037 Comment
  CAS-BOT-BC6535  Polygonum polygaloides subsp. esotericum Louis Cutter Wheeler 1935-8-25 3918 Modoc Rim Rock Valley Reservoir, Devils Garden 1524 Comment
  SJSU9598  Polygonum polygaloides subsp. esotericum W. Savage 1979-7-5 1366 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  CAS-BOT-BC218191  Polygonum polygaloides subsp. kelloggii Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-13 16464 Modoc 3 mi. W of summit of Fandango Pass. Comment
  CAS-BOT-BC218193  Polygonum polygaloides subsp. kelloggii Louis Cutter Wheeler 1935-8-25 3918 Modoc Rim Rock Valley Reservoir, Devil's Garden. 1524 Comment
  CAS-BOT-BC218190  Polygonum polygaloides subsp. kelloggii James Vale; et al 1979-6-7 Modoc At summit, Parker Creek Rd. - Cedarvill Rd. Comment
  JEPS50546  Polygonum polygaloides subsp. kelloggii Leland S. Smith 1260 Modoc High Grade District Warner Mts., Modoc National Forest 2316 Comment
  UC1713244  Polygonum polygaloides subsp. kelloggii Herbert L. Mason 1957-7-6 14725 Modoc Rim Rock, west of Goose Lake Comment
  NY407629  Polygonum sawatchense R. J. Weatherby 1955-7-7 1608 Modoc Northern Juniper Woodland. 7 miles north of Fort Bidwell. 1874.5 Comment
  CAS-BOT-BC420162  Polygonum sawatchense subsp. sawatchense Ira L. Wiggins; Dorothy B. Wiggins 1961-6-15 16507 Modoc 16 mi. W of Canby, along Calif. St. Highway 139 Comment
  CAS-BOT-BC218150  Polygonum spergulariiforme Bruce Bartholomew 1989-7-14 4923 Modoc Along Rush Creek between Lower and Upper Rush Creek Campgrounds. 1580 Comment
  CAS-BOT-BC218151  Polygonum spergulariiforme Bruce Bartholomew; Barrett Anderson 1990-7-19 5397 Modoc Turner Creek at County Rd 90, N end of Big Valley, 6.4 km N of Lassen County border. 1230 Comment
  CDA13459  Polygonum spergulariiforme G. F. Hrusa, T. D. Wilfred 1996-7-21 13306 Modoc Modoc Plateau; Adjacent to Modoc Co. Rd. 90 bridge over Pit River. E base of Splawn Mtn. N end of Big Valley. Comment
  HSC41123  Polygonum spergulariiforme Thomas W. Nelson, Jane P. Nelson, James Nelson 1976-8-29 3247 Modoc Modoc National Forest; along Hwy. 299 just NW of Andin Pass 1524 Comment
  CAS-BOT-BC252509  Polypogon monspeliensis Bruce Bartholomew 1989-8-10 5032 Modoc Little Hot Spring Valley, 3.2 km NW of Day. 1070 Comment
  UC1024712  Polypogon monspeliensis Leo Whitney 1934-6-2 2131 Modoc Hackamore Lake Joaquina (ca 15 mi nw of Canby, Modoc National Forest); Modoc National Forest, , Hackamore 1463 Comment
  JEPS48052  Populus tremuloides Frances D. Payne 1931-7-5 326 Modoc s and e of Alturas (Warner Mountains, Parker Creek); Warner Mountains, Parker Creek 1584 Comment
  UCD169695  Porterella carnosula Louis C. Wheeler 1935-8-22 3908 Modoc Devil's Garden: South Mt. Reservoir. 1524 Comment
  RSA603999  Porterella carnosula L. C. Wheeler 1935-8-3 3756 Modoc Warner Mountains: Rock Lake, Pine Creek 1920 Comment
  SEINET10939152  Porterella carnosula Mcmillan 1949-6-16 MCMILLAN 1534 Modoc In marsh 3 mi. south of Crowder Flat, north central Modoc Co., about 7 mi. south of the Oregon border Comment
  CAS-BOT-BC242250  Potamogeton epihydrus Verne Grant; I. Schneider 1947-7-21 8127 Modoc North Fork of Pit River by bridge on Hwy 395, N of Alturas. Comment
  CAS-BOT-BC242240  Potamogeton foliosus V. J. Wetherell 1961-8-9 481 Modoc Stowe Reservoir Campground, 1 mi E of Cedar Pass. 1828 Comment
  CAS-BOT-BC242241  Potamogeton foliosus Verne Grant; I. Schneider 1947-7-22 8153 Modoc Headwaters of North Fork of Pit River, 1 mi. NW of Hwy 395 on dirt road leading to S end of Goose Lake. Comment
  RSA210807  Potamogeton foliosus Robert F. Thorne, J. Henrickson, C. W. Tilforth 1969-9-4 39095 Modoc N Fork of Pit River 3.4 mi N of Alturas where crossed by Highway 395. 1341 Comment
  JEPS120120  Potamogeton foliosus subsp. foliosus Lowell Ahart, John Dittes 2012-7-12 18359 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. Comment
  POM208869  Potamogeton gramineus Milo S. Baker 1899-8-18 s.n. Modoc Little Hot Spring Valley Comment
  UC1099857  Potamogeton gramineus Calvin McMillan, Malcolm A. Nobs 1949-6-16 788 Modoc 33 mni nnw of Alturas (Dry Valley Reservoir); Dry Valley Reservoir Comment
  SEINET5335352  Potamogeton natans M. S. Baker 1899-8-12 s.n. Modoc Egg Lake Comment
  CAS-BOT-BC242228  Potamogeton nodosus Bruce Bartholomew 1992-8-7 6356 Modoc Along the Pit River just SW of Canby Bridge. 1300 Comment
  RSA210788  Potamogeton nodosus Robert F. Thorne, J. Henrickson, C. W. Tilforth 1969-9-4 39129 Modoc N Fork of Pit River 3.4 mi N of Alturas where crossed by Highway 395. 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
  CAS-BOT-BC242271  Potamogeton richardsonii Herbert Louis Mason; Verne Grant 1947-7-11 13380 Modoc Road from Likely to Jess Valley, ca. 1 mi. E of Likely. Comment
  CAS-BOT-BC242273  Potamogeton richardsonii Milo Samuel Baker 1899-8-24 s.n. Modoc Pit River, at Lookout. Comment
  UC1100100  Potamogeton richardsonii Verne Grant, Irving Schneider 1947-7-18 8053 Modoc 1.4 mi n of Bayley's Bridge (s 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
  RSA59518  Potentilla biennis E. K. Balls 1950-5-21 14823 Modoc Along roadside ditch just above South Fork Camp, likely to Jess Valley 1433 Comment
  CAS-BOT-BC214746  Potentilla breweri Elmer Ivan Applegate 1932-8-1 8025 Modoc High summit of Warner Mountains just S of Warren Peak. Comment
  UC1594784  Potentilla breweri David Charlet 1988-8-13 192 Modoc 10 mi e Patterson Lake (South Warner Mountains); , e of Patterson Lake 2755 Comment
  CHSC109481  Potentilla bruceae L. P. Janeway; B. Castro 2012-7-27 11023 Modoc Warner Mountains. North-sloping meadow opening just above Mineral spring, 0.5 air km east of Yellow Mountain. 2361 Comment
  NY832640  Potentilla drummondii B. M. Bartholomew 1988-7-23 4568 Modoc Dismal Swamp, Warner Mountains 2180 Comment
  JEPS44193  Potentilla fruticosa L. S. Smith 1918-8-27 1051 Modoc n slope Milk Creek 2438 Comment
  UCR270416  Potentilla glandulosa John F. Emmel 2000-8-3 1683 Modoc Modoc Plateau, north end of the Warner Mountains, slope and meadow 0.6 air mile ESE of Moonlight Mines, on NW flank of Mt. Bidwell 2470 Comment
  CAS-BOT-BC214788  Potentilla gracilis Elmer Ivan Applegate 1932-7-31 7981 Modoc Mill Creek Meadow, Warner Mts. Comment
  JEPS47212  Potentilla gracilis var. fastigiata Frances D. Payne 1931-6-17 181 Modoc Parker Creek, Warner Mountains, south and east of Alturas. 1584 Comment
  JEPS44229  Potentilla gracilis var. flabelliformis W. L. Jepson 1918-8-14 7984 Modoc Jess Valley 1584 Comment
  UC73025  Potentilla gracilis var. flabelliformis Milo S. Baker Aug 1898 513 Modoc Forestdale Comment
  CAS-BOT-BC214796  Potentilla millefolia Bruce Bartholomew 1993-6-12 6601 Modoc Tom Large Flat, W of Egg Lake. 1260 Comment
  JEPS44440  Potentilla millefolia M. S. Baker and Frank Nutting 1894-6-8 Modoc Low flats Lava beds Forestdale (Forestdale) Comment
  CAS-BOT-BC214800  Potentilla newberryi John Thomas Howell 1934-7-2 12359 Modoc E side of Clear Lake. Comment
  POM224393  Potentilla newberryi L. D. Whitney 1935-7-29 3595 Modoc Near west end of Clear Lake Comment
  CAS-BOT-BC225026  Poteridium annuum Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16380 Modoc Near junction of Cedar Pass road and California State Highway 299, 5.5 mi. N of Alturas. Comment
  UCD113966  Poteridium annuum Herbert L. Mason; Verne Grant 1947-7-13 13443 Modoc Near roadside, Joseph Creek on Highway 395, north of Davis Creek (east side of Goose Lake). Comment
  HSC14305  Prunella vulgaris M. T. Milligan 1964-7-20 148 Modoc N end of Jess Valley, near Mill Creek. 1677 Comment
  CAS-BOT-BC214803  Prunus emarginata Bruce Bartholomew 1989-7-15 5019 Modoc Manzanita Lookout, top of Manzanita Mountain. 2130 Comment
  RSA520438  Prunus emarginata Bruce Bartholomew 1990-4-28 5206 Modoc 6.3 km SE of Rush Creek on road to Hunters Ridge. 1670 Comment
  JEPS44965  Prunus subcordata W. L. Jepson 1918-8-6 7829 Modoc Davis Creek 1371 Comment
  RSA0025581  Prunus virginiana John F. Emmel 1996-7-15 1431 Modoc Warner Mtns; ridge 1.1-1.5 air mi south and 0.3-0.5 air mi west of Emerson Peak. 2409 Comment
  CAS-BOT-BC225008  Prunus virginiana var. demissa K. Paulson; Robert Paulson 1988-5-22 3 Modoc Boles Creek, Devil's Garden. 1402 Comment
  CAS-BOT-BC225017  Prunus virginiana var. demissa Elmer Ivan Applegate 1932-8-5 8162 Modoc Cedar Pass, Warner Mts. Comment
  CAS-BOT-BC498765  Pseudognaphalium L. S. Smith 1924-7-1 1502 Modoc Modoc Forest, Round Mt. 1676 Comment
  UCD91505  Pseudoroegneria spicata Beecher Crampton; Carl Rimbey 1954-7-8 2183 Modoc west slope of Jess Valley, Warner Mountains, 15 miles east of Likely. Comment
  UCD91522  Pseudoroegneria spicata L. D. Whitney 1935-8-3 s.n. Modoc Lava Mountain side -- near Buck Creek -- North Warner Mountains. Comment
  CDA32662  Pseudoroegneria spicata A. A. Beetle 1941-6-29 2828 Modoc Near summit of Cedarville Pass Comment
  UC1140904  Pseudoroegneria spicata subsp. spicata L. D. Whitney 1935-7-6 3432 Modoc near Lookout (Pit River, Stone Coal Valley); Pit River, Stone Coal Valley Comment
  CAS-BOT-BC95225  Pseudostellaria jamesiana Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-13 16455 Modoc Near summit of Fandango Pass, Warner Mts. Comment
  CAS-BOT-BC95227  Pseudostellaria jamesiana John Thomas Howell 1934-6-13 12052 Modoc Fandango Pass, Warner Mts. 1828 Comment
  CHSC30639  Pseudostellaria jamesiana NEH Prouty 1980-7-1 191 Modoc Modoc National Forest, Warner Mt. District. Bear Flat T. S. Throughout Pinus ponderosa and Abies concolor forest on western rim above Soup Creek drainage. 1889 Comment
  POM260290  Pseudostellaria jamesiana C. L. Hitchcock 1940-5-27 6679 Modoc 15 miles northeast of Alturas. 1616 Comment
  SJSU9131  Pseudostellaria jamesiana J. W. Tilden 1958-6-26 1285 Modoc near W side Cedar Pass between Cedarville & Alturas 1828 Comment
  NY63591  Pseudotsuga menziesii var. menziesii B. M. Bartholomew 1992-5-14 6273 Modoc Northeast side of White Horse Mountains, southwest of White Horse Flat Reservoir 1400 Comment
  UCD135274  Psilocarphus brevissimus Herbert L. Mason; Verne Grant 1947-7-10 13328 Modoc Dorris Reservoir, 2 miles east of Alturas. Comment
  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-BC50380  Psilocarphus brevissimus var. brevissimus Alice Eastwood; John Thomas Howell 1940-6-14 8225 Modoc 8 mi. NW of Canby. Comment
  CAS-BOT-BC50383  Psilocarphus brevissimus var. brevissimus Bruce Bartholomew; Barrett Anderson 1988-6-23 4249 Modoc 4.2 km NW of Day. 1020 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-BC95682  Pterospora andromedea Bruce Bartholomew; Barrett Anderson 1990-7-21 5591 Modoc Bear Flat, W side of Warner Mts. Ranger Station, er Station, E side of Warner Mts. 1830 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
  JEPS124303  Puccinellia lemmonii Lowell Ahart, John Dittes 2015-7-15 20345 Modoc Ash Creek State Wildlife Area about 3.9 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber Big Valley. Comment
  RSA323603  Puccinellia lemmonii A. Tiehm, Jan Nachlinger, Gary Schoolcraft 1984-6-24 8799 Modoc Surprise Valley, east side of Middle Alkali Lake, east of Cedarville. 1357 Comment
  RSA534594  Puccinellia nuttalliana Bruce Bartholomew, B. Anderson 1990-7-20 5448 Modoc Margin of Goose Lake at S end of the causeway to McGinty Point. 1440 Comment
  UCD93435  Puccinellia nuttalliana R. Tofsrud 1942-7-1 254 Modoc south end of Goose Lake. Comment
  SEINET3157320  Purshia tridentata E. K. Balls 1950-5-21 14822 Modoc S Fork Public Camp, S Fork Pit River 1478 Comment
  CAS-BOT-BC218226  Purshia tridentata var. tridentata Belknap C. Goldsmith 1910-4-29 4 Modoc Alturas. 1371 Comment
  CAS-BOT-BC218232  Purshia tridentata var. tridentata Robert Patterson; Mona Bourell 1993-8-15 5236 Modoc Warner Mountains. Along trail from Patterson Lake to ca. 2 mi north towards Pepperdine Trailhead. 2743 Comment
  CAS-BOT-BC218235  Purshia tridentata var. tridentata F. Angwin 1946-4-25 Modoc Adin. 1371 Comment
  CAS-BOT-BC218238  Purshia tridentata var. tridentata John Thomas Howell 1934-6-11 11925 Modoc Parker Creek, Warner Mts. 1584 Comment
  RSA520466  Purshia tridentata var. tridentata K. Paulson, R. Paulson 1989-5-8 112 Modoc Howard's Gulch. Along Hwy 139. 1372 Comment
  POM90212  Purshia tridentata var. tridentata R. M. Austin 1895-06 54 Modoc Goose Lake. Ross Canyon. Comment
  UC12419  Purshia tridentata var. tridentata Milo S. Baker 1893-6 Modoc Comment
  UC467825  Purshia tridentata var. tridentata M. F. Gilman 622 Modoc hills 1524 Comment
  HSC80764  Pyrola aphylla G. M. Riegel 1979-8-27 723 Modoc S Warner Mtns. 1670 Comment
  UC412674  Pyrola picta Franklin P. Nutting 1920-8-1 Modoc near Forestdale (Big Valley Mountains); Big Valley Mountains Comment
  UCR29778  Pyrola picta J. A. Harpel 1981-8-7 V- 59 Modoc Warner Mountains, South Warner Wilderness Area, Pine Creek Basin, trail head along Pine Creek, 9 mi northwest of Eagleville 2744 Comment
  CAS-BOT-BC50390  Pyrrocoma carthamoides var. cusickii Alice Eastwood; John Thomas Howell 1940-6-14 8200 Modoc Near Kelly Hot Spring. Comment
  CAS-BOT-BC50396  Pyrrocoma carthamoides var. cusickii John Thomas Howell 1934-7-1 12299 Modoc Duncan Horse Camp. 1355 Comment
  CHSC114014  Pyrrocoma carthamoides var. cusickii L. P. Janeway 2014-7-7 11441 Modoc Warner Mountains. East side of crest of Warner Mountains 2.3 air-km east of Cedar Pass; along Road 43N07 1.4 road-km east of Stough Reservoir. 2000 Comment
  JEPS74349  Pyrrocoma carthamoides var. cusickii L. R. Heckard, T. I. Chuang, and R. Bacigalupi 1974-7-24 3768 Modoc 3.5 mi n Cedar Pass (along forest service road); Warner Mts. 2042 Comment
  CAS-BOT-BC50353  Pyrrocoma lanceolata var. lanceolata Bruce Bartholomew 1990-6-18 5365 Modoc S side of Goose Lake, ca. 5 km SSE of McGinty Point. 1400 Comment
  CAS-BOT-BC50356  Pyrrocoma lanceolata var. lanceolata Alice Eastwood; John Thomas Howell 1940-6-14 8198 Modoc 6 mi. W of Alturas. Comment
  CAS-BOT-BC180125  Quercus garryana var. garryana Bruce Bartholomew 1989-8-10 5025 Modoc Little Hot Spring Valley, 1.6 km NW of Day. 1070 Comment
  RSA520492  Quercus garryana var. garryana Bruce Bartholomew 1989-8-10 5025 Modoc Little Hot Spring Valley, 1.6 km NW of Day. 1070 Comment
  CAS-BOT-BC180122  Quercus kelloggii Leland S. Smith 1922-7-29 1324 Modoc Big Valley foothills. 1371 Comment
  RSA504607  Quercus kelloggii Bruce Bartholomew, B. Anderson 1988-6-23 4262 Modoc 1.8 km WSW of Day on County Road 94. 1170 Comment
  UC922549  Quercus kelloggii Annie M. Alexander and Louise Kellogg 1948-9-18 5623 Modoc 1 mi SW of Adin Pass summit 1524 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
  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
  HSC97821  Ranunculus alismifolius Juha Pykala, D. H. Norris 1987-5-28 1284 Modoc Modoc National Forest, Warner Mtns., 1.5 mi. SE of Benton Meadow 2150 Comment
  UC9361  Ranunculus alismifolius var. alismifolius Milo S. Baker 1893-6-18 Modoc Comment
  JEPS60660  Ranunculus aquatilis var. capillaceus Frances D. Payne 1932-7-14 681 Modoc s and e Alturas; Warner Mountains, Parker Creek Canyon 1706 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
  CAS-BOT-BC378944  Ranunculus californicus var. californicus Parkison 1916-6-21 24 Modoc Lassen Forest, meadow at Patterson Camp 1707 Comment
  CHSC112764  Ranunculus cymbalaria Lowell Ahart; John Dittes 2013-7-24 18938 Modoc South margin of Ash Creek Canal, south of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. 1268 Comment
  CHSC13476  Ranunculus glaberrimus C. S. Armor 1974-4-9 89 Modoc 100 yds. se of the north water storage tank in Alturas. 1310 Comment
  SEINET3161109  Ranunculus glaberrimus E. K. Balls 1950-5-10 15968 Modoc Cedar Pass; on way from Alturas to Cedarville 1829 Comment
  UC118385 Image available Ranunculus glaberrimus Mrs. R. M. Austin June 1894 77 Modoc bluffs e Willow Creek Valley (thirty mi w of Goose Lake) Comment
Read comments
May 28 2006
  UC13929  Ranunculus glaberrimus Mrs. R. M. Austin April, 1894 Modoc Comment
  UCD96124  Ranunculus glaberrimus R. N. Raynor 1940-4-13 s.n. Modoc Joseph Creek, Warner Mountains. 1828 Comment
  POM100512  Ranunculus glaberrimus var. ellipticus R. M. Austin 1895-07 s.n. Modoc Goose Lake Valley. Comment
  CAS-BOT-BC217244  Ranunculus glaberrimus var. glaberrimus Bruce Bartholomew 1993-4-3 6404 Modoc Adjacent to Turner Creek at County Rd 90, N end of Big Valley, 6.4 km N of Lassen County border. 1300 Comment
  UC118382  Ranunculus hebecarpus unknown Mar. 1890 430 Modoc Goose Lake Comment
  UC748216  Ranunculus occidentalis Annie M. Alexander and Louise Kellogg 1946-6-7 4673 Modoc 1/2 mi e Cedarville 1453 Comment
  UC75504  Ranunculus occidentalis Milo S. Baker 1896-5-20 Modoc Egg Lake Juniper Hill Comment
  CAS-BOT-BC217218  Ranunculus occidentalis var. dissectus Annie Montague Alexander; L. Kellogg 1946-6-7 4673 Modoc 0.5 mi. E of Cedarville. 1453 Comment
  HSC18156  Ranunculus occidentalis var. occidentalis M. T. Milligan 1965-6-23 290 Modoc N end Jess Valley 1616 Comment
  CAS-BOT-BC217212  Ranunculus occidentalis var. ultramontanus John Thomas Howell 1934-6-11 11965 Modoc Parker Creek, Warner Mts. 1584 Comment
  CAS-BOT-BC217215  Ranunculus occidentalis var. ultramontanus Roxana Stinchfield Ferris; R. Duthie 1919-6-13 48 Modoc Parker Creek near Modoc Nat. Forest Boundary. Comment
  UC129841  Ranunculus orthorhynchus var. orthorhynchus Milo S. Baker Modoc Forestdale Comment
  UC9470  Ranunculus orthorhynchus var. orthorhynchus Milo S. Baker 1893-6-27 Modoc Comment
  POM99859  Ranunculus repens R. M. Austin 1895-06 407 Modoc Goose Lake Valley. Comment
  CHSC117241  Ranunculus sardous Lowell Ahart; John Dittes 2016-7-16 21256 Modoc Strand of the second pond, south of Ash Creek Canal (now filled in), south of Ash Creek, Ash Creek State Wildlife Area, 0.79 miles (air) south of County Road 87, 1.75 miles (air) west of Adin, Big Valley. 1273 Comment
  RSA210878  Ranunculus sceleratus var. multifidus Robert F. Thorne, James Henrickson, C. W. Tilforth 1969-9-4 s.n. Modoc N Fork of Pit River 3.4 mi N of Alturas where crossed by Hwy 395. 1341 Comment
  HSC11525  Ranunculus testiculatus M. T. Milligan 1964-4-25 Modoc 1 mi. up Barns Grade Rd. at stock pens Comment
  SJSU9371  Ranunculus testiculatus Wayne Savage 1979-7-3 1316 Modoc Triangle, Antelope Plains Unit, Devils Garden District 1493 Comment
  UC485337  Ranunculus uncinatus Mrs. M. H. Manning 1905-6-12 712 Modoc Warner Range; ne Modoc Co. 1524 Comment
  CAS-BOT-BC6201  Rhamnus rubra subsp. modocensis Elmer Ivan Applegate 1897-5-31 863 Modoc 7 mi. SE of Dry Lake. Comment
  SEINET2029156 Image available Rhododendron columbianum L. C. Wheeler 1935-8-4 3777 Modoc Warner Mountains, Pine Creek 2210 Comment
  NY1002971  Rhus aromatica var. trilobata B. M. Bartholomew 1989-8-10 5026 Modoc Little Hot Spring Valley, 1.6 km NW of Day 1070 Comment
  CAS-BOT-BC225859  Ribes aureum Bruce Bartholomew; Barrett Anderson 1989-4-29 4703 Modoc Sand Creek, E side of Surprise Valley, ca. 10 km E of Cedarville. 1400 Comment
  CAS-BOT-BC225862  Ribes aureum Bruce Bartholomew; Mona Bourell 1990-4-26 5163 Modoc Vicinity of Ostrom Point, N side of Pit River, 3.2 km E of W end of Stone Coal Rd. 1280 Comment
  CHSC42151  Ribes aureum C. E. Laver 1986-3-26 Modoc Ca. 13 mi ne of Alturas and 100 yd e of Thoms Creek. 1493 Comment
  RSA488571  Ribes aureum Bruce Bartholomew, B. Anderson 1988-5-14 4188 Modoc 2 km. S of McGinty Point, edge of causeway across the SW corner of Goose Lake. 1430 Comment
  CAS-BOT-BC225865  Ribes cereum Annie Montague Alexander; L. Kellogg 1946-6-27 4849 Modoc Highgrade, top of ridge, two miles by road from Dismal Swamp, N end of Warner Mts. 2377 Comment
  CAS-BOT-BC225879  Ribes cereum Alice Eastwood; John Thomas Howell 1940-6-12 8044 Modoc Between Likely and Jess Valley. Comment
  CAS-BOT-BC225880  Ribes cereum Elmer Ivan Applegate 1932-7-31 7984 Modoc Mill Creek Meadow, Warner Mts. Comment
  NY454996  Ribes cereum B. M. Bartholomew 1988-6-24 4297 Modoc Road beyond Poison Lake ca. 8 km. south of the road from US Highway 395 to Lily Lake, Warner Mountains 2130 Comment
  NY455008  Ribes cereum C. L. Hitchcock 1940-5-27 6695 Modoc 15 miles northeast of Alturas 1615.4 Comment
  RSA504591  Ribes cereum Bruce Bartholomew, B. Anderson 1988-6-24 4297 Modoc Road beyond Poison Lake, ca. 8 km S of the road from Hwy 395 to Lily Lake, Warner Mountains. 2130 Comment
  UC11501  Ribes cereum Milo S. Baker 1893-6-10 Modoc Lava Beds Comment
  CAS-BOT-BC225899  Ribes inerme var. inerme Bruce Bartholomew 1989-8-12 5118 Modoc South Fork of Pine Creek where it crosses West Warner Road, W side of Warner Mountains. 1900 Comment
  UC71792  Ribes inerme var. inerme Mrs. M. H. Manning 1893-2 143 Modoc Mill Canyon 1828 Comment
  CAS-BOT-BC225905  Ribes montigenum Bruce Bartholomew; Barrett Anderson 1988-6-24 4293 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-BC225908  Ribes montigenum Annie Montague Alexander; L. Kellogg 1946-6-25 4822 Modoc Dismal Swamp, N end of Warner Mts. 2255 Comment
  SBBG2779  Ribes montigenum H. and M. Dearing 1939-6-8 3605 Modoc Lily Lake, Warner Mtns 1828 Comment
  SEINET5339715  Ribes montigenum M. J. Williams 1984-6-29 84- 71 -2 Modoc Lily Lake, west side of the Warner Mountains 2073 Comment
  UC75472  Ribes roezlii var. roezlii Milo S. Baker 1893-1 Modoc Forestdale. Comment
  CAS-BOT-BC225917  Ribes velutinum F. Angwin 1946-4-21 s.n. Modoc Stone Coal Canyon, 12 mi. NE of Adin. 1280 Comment
  CAS-BOT-BC225926  Ribes velutinum Elmer Ivan Applegate 1929-7-29 6087 Modoc Clear Lake. Comment
  JEPS49260  Ribes velutinum Franklin P. Nutting 1894-6-10 Modoc Forestdale Comment
  RSA0019692  Ribes velutinum E. K. Balls 1950-5-13 14666 Modoc Goose Lake, east shore near Willow Ranch. 1463 Comment
  CAS-BOT-BC225938  Ribes viscosissimum Milo Samuel Baker 1898-8-11 507 Modoc Bluff SW of Medicine Lake. Comment
  CAS-BOT-BC225949  Ribes viscosissimum K. Paulson; Robert Paulson 1989-6-21 145 Modoc Pine Creek Basin, W side of the Warner Mts. 2109 Comment
  SEINET195337 Image available Ribes viscosissimum Annie M. Alexander, L Kellogg 1946-7-1 4894 Modoc Warner Mountains; one half mile south of Dismal Swamp north end of Warner Mountains 2256 Comment
  RSA0020906  Ribes viscosissimum Louis C. Wheeler 1935-8-14 3850 Modoc Lily Lake, Pine Creek, Warner Mountains. 2073 Comment
  CAS-BOT-BC50370  Rigiopappus leptocladus David Daniels Keck; Jens Chr. Clausen 1935-6-24 3715 Modoc 3 mi. NE of Willow Ranch. 1550 Comment
  CAS-BOT-BC50373  Rigiopappus leptocladus Bruce Bartholomew; Barrett Anderson 1989-6-1 4764 Modoc S end of Goose Lake. 1460 Comment
  UC35863  Rigiopappus leptocladus Mrs. R. M. Austin June 1894 Modoc near Emigrant Springs; Lava Beds Comment
Read comments
May 28 2006
  CAS-BOT-BC58408  Rorippa austriaca M. K. Bellue 1933-6-1 Modoc Alturas. Comment
  CDA13466  Rorippa austriaca G. F. Hrusa, T. D. Wilfred 1996-7-21 13313 Modoc Modoc Plateau; Above Pit River at Modoc Co. Rd. 90 bridge. E base of Splawn Mtn. N end of Big Valley. Comment
  CDA34339  Rorippa austriaca E. Finley 1987-6-17 s.n. Modoc Big Valley; Jones Rd., off US 395, N of Likely. 0 Comment
  CDA3845  Rorippa austriaca T. C. Fuller 1958-8-12 2081 Modoc Corporation Ranch, Likely. 0 Comment
  UCD115241  Rorippa austriaca W. S. Ball 1937-6-27 s.n. Modoc Corporation Ranch. Comment
  CDA25108  Rorippa columbiae T. C. Fuller 1979-6-5 20264 Modoc R. A. Byrne property, north side of Highway 108, 10 km northeast of Tulelake. 0 Comment
  CAS-BOT-BC58380  Rorippa curvisiliqua John Thomas Howell 1934-6-12 12037 Modoc Lassen Creek. Comment
  CAS-BOT-BC58421  Rorippa curvisiliqua Robert Folger Thorne; C. W. Tilforth 1969-9-5 39170 Modoc Margins of Clear Lake, Warner Mts. 1767 Comment
  RSA210835  Rorippa curvisiliqua R. F. Thorne, James Henrickson, C. W. Tilforth 1969-9-4 39111 Modoc N Fork of Pit River 3.4 mi N of Alturas where crossed by Hwy 395. 1341 Comment
  JEPS117375  Rorippa curvisiliqua var. orientalis Lowell Ahart, John Dittes 2010-8-30 17074 Modoc About 10 yards west of the fence, 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-BC497201  Rosa John H. Hatton 1911-6-17 121 Modoc Modoc Forest, near Pitt River Bridge 1219 Comment
  CAS-BOT-BC497304  Rosa gymnocarpa B. Bartholomew 1989-7-14 4931 Modoc Along Rush Creek between Lower and Upper Rush Creek Campgrounds 1580 Comment
  CAS-BOT-BC218249  Rosa woodsii var. ultramontana Bruce Bartholomew 1989-7-14 4930 Modoc Along Rush Creek between Lower and Upper Rush Creek Campgrounds. 1580 Comment
  CAS-BOT-BC218259  Rosa woodsii var. ultramontana Bruce Bartholomew; Barrett Anderson 1990-7-20 5547 Modoc N edge of Howard Flat, W side of Warner Mts. 2000 Comment
  CAS-BOT-BC218262  Rosa woodsii var. ultramontana Roxana Stinchfield Ferris; R. Duthie 1919-6-14 136 Modoc Parker Creek. Comment
  CAS-BOT-BC218265  Rosa woodsii var. ultramontana Verne Grant; I. Schneider 1947-7-18 8045 Modoc Eastside Canall, 5 mi. N of Bayley's bridge, S of Alturas. Comment
  JEPS47235  Rosa woodsii var. ultramontana Frances D. Payne 1932-7-11 690 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  RSA749195  Rosa woodsii var. ultramontana A. Townesmith, K. M. Meyer 2007-9-16 213 Modoc Modoc National Forest, going E on Hwy 299, 5.1 miles from the start of NF. Lower, Cedar Creek interpretive trail. 1622 Comment
  SD46575  Rosa woodsii var. ultramontana Robert J. Weatherby 1955-7-8 1627 Modoc 5 miles north of Ft. Bidwell, no. Warner Mts. 1783 Comment
  UC12904  Rosa woodsii var. ultramontana Milo S. Baker 1893-6-26 Modoc Forestdale 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
  UC12849  Rosa woodsii var. ultramontana Mrs. R. M. Austin and Bruce Jul 1898 2842 Modoc Comment
  UC452554  Rumex crispus W. P. Taylor and H. C. Bryant 1910-6-11 Modoc S. Fork Pitt River, Alturas Warner Mountains, Pitt River 1402 Comment
  CAS-BOT-BC211339  Rumex crispus Isabelo T. Kelly 1930-1-1 54 Modoc Modoc Co. Comment
  HSC17597  Rumex crispus M. T. Milligan 1964-7-1 105 Modoc Rattlesnake Butte Rd. at Pit River. 1372 Comment
  CAS-BOT-BC211348  Rumex lacustris E. S. Willits 1940-5-17 258 Modoc Creek bottom, Willow Ranch. 1371 Comment
  CAS-BOT-BC211309  Rumex paucifolius Annie Montague Alexander; L. Kellogg 1946-7-11 4977 Modoc Mesa W of Eight Mile Creek, NE corner of county. Comment
  UC1101209  Rumex salicifolius var. lacustris Herbert L. Mason and Verne Grant 1947-7-10 13336 Modoc 2 mi e Alturas; Dorris Reservoir Comment
  UC748315  Rumex salicifolius var. salicifolius Annie M. Alexander and Louise Kellogg 1946-8-3 5113 Modoc Head of Eagle Creek Warner Mountains Comment
  CAS-BOT-BC211320  Rumex triangulivalvis Alice Eastwood; John Thomas Howell 1940-6-15 8280 Modoc Near Happy Camp Ranger Station. Comment
  JEPS51053  Sagina saginoides Frances D. Payne 1935-7-19 791 Modoc s. and e. of Alturas (mouth of Dry Creek (tributary of Parker Creek)); Warner Mts., Dry Creek (tributary of Parker Creek) Comment
  CAS-BOT-BC245204  Sagittaria cuneata Louis Cutter Wheeler 1935-8-5 3787 Modoc Little Lily Lake. 2286 Comment
  RSA210812  Sagittaria cuneata Robert F. Thorne, C. W. Tilforth 1969-9-4 39058 Modoc 2 mi W of Davis Creek (town), S. of Goose Lake 1433 Comment
  UC935799  Sagittaria cuneata Malcolm A. Nobs, S. Galen Smith and Herbert L. Mason 1949-5-29 768 Modoc e Kelly Hot Springs; e of Kelly Hot Springs Comment
  CAS-BOT-BC225119  Salix boothii Bruce Bartholomew 1990-8-4 5624 Modoc Slope on N side of Pine Creek Basin on trail to Patterson Lake, W side of Warner Mts. 2430 Comment
  RSA5674  Salix boothii Frances D. Payne 1931-7-7 331 Modoc Pine Creek Basin. Warner Mtns. About 33 km SE of Alturas. 2280 Comment
  UC492374  Salix boothii Frances D. Payne 1932-7-21 728 b Modoc e Alturas (marsh s of Mosquito Lake); Warner Mts., e side Mt. Warren (Buck Mt.) Comment
  CAS-BOT-BC225759  Salix eastwoodiae Francis Dorris Payne 1931-7-8 177 Modoc Pine Creek Basin ca. 33 km SE of Alturas, Warner Mountains 2280 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
  UC481848  Salix eastwoodiae Frances D. Payne 1931-6-25 275 a Modoc ca. 33 km. se Alturas; Warner Mts., Pine Creek Basin 2280 Comment
  UC481865  Salix eastwoodiae Frances D. Payne 1931-7-8 177 Modoc ca. 33 km. se Alturas; Warner Mts., Pine Creek Basin 2280 Comment
  UC481868  Salix eastwoodiae Frances D. Payne 1931-7-7 333 Modoc ca. 33 km. se Alturas (below spring); Warner Mts., Pine Creek Basin 2280 Comment
  CAS-BOT-BC225765  Salix exigua Elmer Ivan Applegate 1897-6-2 3030 Modoc Upper Pitt River valley S of Alturas. Comment
  CAS-BOT-BC225779  Salix exigua H. P. Bracelin; Francis Dorris Payne 1931-6-30 495 Modoc Parker Creek, 20 km E of Alturas, meadow S of Payne Ranch 1560 Comment
  CAS-BOT-BC225780  Salix exigua H. P. Bracelin; Francis Dorris Payne 1931-6-30 495 Modoc Parker Creek, 20 km E of Alturas, meadow S of Payne Ranch 1560 Comment
  CAS-BOT-BC225781  Salix exigua H. P. Bracelin 1931-6-30 501 Modoc Alturas, in willow thicket SW end of town. 1360 Comment
  NY187446  Salix exigua F. D. Payne 1931-6-30 494 Modoc Parker Creek, 20 km east of Alturas. Meadow south of Payne Ranch 1560 Comment
  UC437389  Salix lasiandra subsp. lasiandra W. P. Taylor and H. C. Bryant 1910-6-26 Modoc Parker Creek Warner Mts., Parker Creek 1676 Comment
  UC481937  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-BC197551  Salix lasiolepis var. lasiolepis Louis Cutter Wheeler 1935-8-13 3831 Modoc Barnes Creek, Warner Mts. 2133 Comment
  CAS-BOT-BC197553  Salix lasiolepis var. lasiolepis H. P. Bracelin 1934-6-16 825 Modoc Rush Creek Bridge, 5 mi. N of Adin. Comment
  CAS-BOT-BC229662  Salix lemmonii H. P. Bracelin 1934-6-13 819 Modoc Patterson Mill Rd., E side of Warner Mts., beside Barber Creek. 1524 Comment
  CAS-BOT-BC229665  Salix lemmonii Elmer Ivan Applegate 1932-7-31 7980 Modoc Mill Creek Meadows, Warner Mts. Comment
  CAS-BOT-BC229699  Salix lemmonii H. P. Bracelin; Francis Dorris Payne 1931-6-30 496 Modoc Parker Creek, 20 km E of Alturas. 1560 Comment
  LA208883  Salix lemmonii Frances D. Payne; August 1934 778 Modoc Warner Mountains, Pine Creek Basin 2316 Comment
  UC472124  Salix lemmonii Mrs. M. H. Manning 1903-4-23 78 Modoc near Fort Bidwell Fort Bidwell; n.e. Modoc Co. Comment
  JEPS38509  Salix ligulifolia L. S. Smith 1918-1-1 54 Modoc Comment
  CAS-BOT-BC229679  Salix lutea Elmer Ivan Applegate 1932-7-30 7945 Modoc North Fork Pit River about 4 mi. above Alturas. Comment
  CAS-BOT-BC229680  Salix lutea Belknap C. Goldsmith 1910-4-28 2 Modoc Alturas on Pitt River. Comment
  SJSU165  Salix lutea Mrs. H. P. Bracelin & F. D. Payne 1931-6-30 499 Modoc Parker Cr, S of Payne Ranch, 20 km E of Alturas 1554 Comment
  JEPS14854  Salix melanopsis Frances D. Payne 1931-6-10 140 Modoc Parker Creek Warner Mts., Parker Creek 1584 Comment
  CAS-BOT-BC229837  Salix scouleriana C. L. Hitchcock 1940-5-27 6698 Modoc 15 mi. NE of Alturas. 1615 Comment
  CAS-BOT-BC229844  Salix scouleriana Francis Dorris Payne 1934-8-1 778 Modoc Pine Creek Basin, Warner Mts. 2316 Comment
  UCR67036  Salvia aethiopis George K. Helmkamp 1990-9-23 H- 9 Modoc US Hwy 395, 13 mi north of Likely 1345 Comment
  SFV3216  Salvia dorrii I. L. Wiggins, D. B. Wiggins 1961-6-12 16436 Modoc Warner Mountains 4 miles east of summit of Cedar Pass on Cedar Pass Road. 1550 Comment
  CAS-BOT-BC184106  Salvia dorrii var. pilosa Elmer I. Applegate 1935-6-7 9408 Modoc Lava Beds National Monument. Indian Wells Ranger Station Comment
  RSA446306  Salvia dorrii var. pilosa Christopher Davidson 1975-6-4 2607 Modoc 1/4 mi. W of Cedarville on Hwy 299. 1463 Comment
  RSA504673  Sambucus melanocarpa Bruce Bartholomew, B. Anderson 1988-6-24 4310 Modoc Road beyond Poison Lake, ca. 8 km S of the road from Hwy 395 to Lily Lake, Warner Mountains. 2130 Comment
  RSA520489  Sambucus melanocarpa Bruce Bartholomew 1989-7-14 4943 Modoc N side of the Pit River near Ostrom Point, ca. 5.5 km E of County Route 91 1280 Comment
  UC102286  Sambucus mexicana Mrs. R. M. Austin Aug. 1894 Modoc hills near Goose Lake Comment
  RSA202437  Sanguisorba annua Jack Major 1966-6-24 s.n. Modoc Above Goose Lake. W side of Fandango Pass. 1646 Comment
  JEPS1016  Sanicula graveolens M. S. Baker and Franklin P. Nutting 1894-6-15 Modoc Big Valley Mountains Comment
  HSC80789  Sanicula graveolens G. M. Riegel 1979-7-13 511 Modoc South Warner Mountains 1829 Comment
  RSA504661  Sanicula graveolens Bruce Bartholomew, B. Anderson 1988-7-23 4559 Modoc Road beyond Poison Lake 8km S of the road from Hwy 395 to Lily Lake, Warner Mountains. 2140 Comment
  UC1583999  Saxifraga integrifolia G. Schoolcraft 1990-6-7 2083 Modoc about 12 mi ne of Alturas (near Joseph Creek) 1615 Comment
  RSA520434  Saxifraga nidifica var. nidifica Bruce Bartholomew, M. Bourell 1990-4-27 5171 Modoc NW side of Rice Flat, 2km S of Adin Pass. 1540 Comment
  JEPS47636  Saxifraga oregana Mrs. M. H. Manning Modoc e side of Mount Bidwell ( Twelve Mile Creek, ne Modoc County); , Twelve Mile Creek Comment
  UCR34690  Saxifraga oregana J. A. Harpel 1981-8-6 V 36 Modoc Warner Mtns, South Warner Wilderness Area: E end of Patterson Lake, 7 mi NW of Eagleville 2744 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
  NY784264  Saxifraga oregana var. oregana B. M. Bartholomew 1988-6-24 4367 Modoc Vicinity of Patterson Campground, southern end of the Warner Mountains. Emerson Peak 7 1/2' Quad. 2190 Comment
  UCD126454  Schedonorus arundinaceus L. D. Whitney 1935-7-21 s.n. Modoc Happy Camp. Comment
  CAS-BOT-BC247698  Schedonorus pratensis Bruce Bartholomew; Barrett Anderson 1988-7-22 4482 Modoc Vicinity of East Creak Trailhead, southern end of the Warner Mts. 2210 Comment
  UC1537641  Scirpus acutus var. occidentalis Gordon H. True Jr. 1939-7-21 1012 Modoc n Canby (Jack Swamp); , n of Canby 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-BC245124  Scirpus microcarpus Verne Grant; I. Schneider 1947-7-20 8096 Modoc North Fork of Pit River by Dorris bridge, Alturas. Comment
  CHSC110969  Scirpus microcarpus Lowell Ahart; John Dittes 2012-7-12 18365 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
  HSC7457  Scirpus microcarpus M. T. Milligan 1965-6-26 339 Modoc N end Jess Valley. 1616 Comment
  UC683298  Scirpus microcarpus Alan A. Beetle 1941-6-29 2824 Modoc 15 mi e Alturas (road from Alturas to Cedarville); e of Alturas 1371 Comment
  CDA39138  Scirpus nevadensis T. C. Fuller 1964-10-8 12697 a Modoc On edge of Goose Lake, north side of levee road, ca. 5 miles west of Davis Creek. 0 Comment
  CAS-BOT-BC197840  Scrophularia lanceolata Bruce Bartholomew 1991-6-22 5834 Modoc E slope of S end of Warner Mountains, 3.4 km SW of County Road 1 on road to Patterson. 1620 Comment
  CAS-BOT-BC197843  Scrophularia lanceolata Roxana Stinchfield Ferris; R. Duthie 1919-6-14 101 Modoc Above Parker Creek. 1828 Comment
  UC103822  Scrophularia lanceolata Mrs. R. M. Austin Aug 1894 299 Modoc Comment
  CAS-BOT-BC179234  Scutellaria antirrhinoides M. Vasey 1990-6-30 9028 Modoc Around NW margin of Egg Lake, Modoc National Forest 1300 Comment
  SJSU11409  Scutellaria nana H. L. Buckalew 1961-7-1 Modoc base of Cedar Mt c. 2 mi NW of Cedar Pass on Hwy 299, Warner Mts 2133 Comment
  CAS-BOT-BC179219  Scutellaria nana Fred P. Cronemiller, Jr. 1920-6-10 5 Modoc McKenzie Spring. 1341 Comment
  CAS-BOT-BC252545  Secale cereale John Thomas Howell 1934-6-12 11991 Modoc 6 mi. S of Davis Creek. Comment
  CHSC109200  Sedum lanceolatum L. P. Janeway; B. Castro 2012-7-24 10964 Modoc Warner Mountains. Along Forest Road/County Road 2 (the road from New Pine Creek to Fort Bidwell) 1.0 air km west of Lily Lake and 1.4 air km northwest of Yellow Mountain. 1948 Comment
  RSA0076358  Sedum lanceolatum Elmer I. Applegate 1932-8-5 8179 Modoc Arid summit of Cedar Mountain, Cedar Pass, Warner Mountains. Comment
  UC1567433  Sedum rosea subsp. integrifolium G. Schoolcraft 1989-7-16 1954 Modoc s side Patterson Lake (Warner Mtns.); , s side Patterson Lake 2834 Comment
  UC205196  Sedum stenopetalum W. P. Taylor and H. C. Bryant 1910-6-25 Modoc Parker Cr Warner Mountains 1676 Comment
  JEPS26920  Sedum stenopetalum Wayne Roderick May 1961 966 Modoc Cedar Pass Warner Mtns, Cedar Pass (Warner Mtns on s side of hiway just e of summit) 1889 Comment
  UC1299668  Sedum stenopetalum Freed W. Hoffman 1955-7-14 4104 Modoc Cedar Pass Campground Cedar Pass Campground (Highway 8A) Comment
  CAS-BOT-BC50334  Senecio aronicoides Bruce Bartholomew 1993-6-12 6584 Modoc Road to Day Rock from Little Hot Spring Valley. 1250 Comment
  CAS-BOT-BC50335  Senecio aronicoides Bruce Bartholomew 1992-5-16 6337 Modoc Burned area along County Road 91, ca. 2.5 km S of turn off to Happy Camp Ranger Station. 1390 Comment
  CAS-BOT-BC50339  Senecio aronicoides Bruce Bartholomew 1990-6-15 5229 Modoc S end of Deer Spring Ridge, 0.2 km N of turn off to Knox Flat. 1920 Comment
  CAS-BOT-BC50344  Senecio aronicoides Bruce Bartholomew 1994-5-14 6683 Modoc Near Day Rock. 1280 Comment
  RSA0012438  Senecio aronicoides Bruce Bartholomew 1992-5-14 6277 Modoc SW side of White Horse Mountains, SW of White Horse Flat Reservoir. 1370 Comment
  UC36026  Senecio aronicoides Mrs. R. M. Austin June 1898 2368 Modoc Davis Creek Comment
  UC36169  Senecio aronicoides Milo S. Baker 1893-6 Modoc Pinewoods Comment
  CDA8598  Senecio canus M. Carstens, D. Chambers 1979-7-6 Modoc Western county about 17 airline miles north of Lookout. 0 Comment
  CDA8600  Senecio canus T. C. Fuller 1965-6-2 13596 Modoc South side of Highway 299 to Canby, 10.3 miles west of Alturas. 0 Comment
  SEINET191900  Senecio canus Mrs. H. C. Cantelow 1940-6-2 Modoc 4 miles west of Alturas Comment
  CHSC106185  Senecio hydrophilus Lowell Ahart; John Dittes 2010-8-31 17104 Modoc About 40 yards west of Elkins Lane, about 150 yards north of the bridge across Ash Creek, Ash Creek State Wildlife Area, 4215 feet north of Lassen County Line, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1274 Comment
  RSA0012560  Senecio hydrophilus Mrs. R. M. Austin 1895-07 566 Modoc Goose Lake Valley. Comment
  UC91663  Senecio hydrophilus Mrs. R. M. Austin Sept 1894 Modoc shores Goose Lake Comment
  CAS-BOT-BC50298  Senecio integerrimus var. exaltatus Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16412 Modoc Cedar Pass. 1921 Comment
  CAS-BOT-BC50300  Senecio integerrimus var. exaltatus Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-11 6489 Modoc Near SE corner of Big Sage Reservoir, 5.3 km E of Crowder Flat Road. 1580 Comment
  CDA8649  Senecio integerrimus var. exaltatus T. C. Fuller 1963-6-11 10651 Modoc Little Meadow Campground, South Fork of the Pit River, 7.9 miles east of Likely. 0 Comment
  RSA0125033  Senecio integerrimus var. exaltatus E. K. Balls 1950-5-13 14682 Modoc West of Goose Lake, 1.5 miles south of Oregon-California State Line. 1463 Comment
  RSA0125035  Senecio integerrimus var. exaltatus Bruce Bartholomew, B. Anderson 1989-6-1 4744 Modoc Ca. 0.5 km S of State Hwy 299 on road to Shaker Spring. 1420 Comment
  SEINET3148743  Senecio integerrimus var. ochroleucus E. K. Balls 1950-5-12 14655 Modoc Hillsides N of Bucks Creek Ranger Station, Modoc National Forest, E of Goose Lake 1646 Comment
  CHSC118817  Senecio serra var. serra L. P. Janeway 2015-8-9 11827 Modoc Warner Mountains. Near head of a northwest-facing bowl of a drainage of Coyote Creek where Road 39N06A crosses it; 0.8 road-km east of Road 39N06. 2088 Comment
  UC71606  Senecio triangularis Mrs. M. H. Manning 1893-2 299 Modoc Mill Canyon Mill Canyon (north-eastern Modoc County) Comment
  CAS-BOT-BC225038  Sibbaldia procumbens Bruce Bartholomew 1991-8-6 6080 Modoc N Emerson Lake, E side of Warner Mts. 2370 Comment
  NY847589  Sibbaldia procumbens B. M. Bartholomew 1991-8-6 6080 Modoc N Emerson Lake, east side of Warner Mountains 2370 Comment
  RSA165549  Sidalcea hendersonii Clare B. Hardham 1961-6-19 7853 Modoc Willow Creek. 1524 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-BC179070  Sidalcea oregana subsp. oregana Bruce Bartholomew; Barrett Anderson 1988-6-23 4235 Modoc 2.1 km SSE of Day on the road to State Highway 299. 1020 Comment
  CAS-BOT-BC179071  Sidalcea oregana subsp. oregana Bruce Bartholomew; Barrett Anderson 1989-6-3 4886 Modoc Boles Creek, ca. 5.5 km E of the SE corner of Clear Lake Reservoir. 1430 Comment
  CAS-BOT-BC179073  Sidalcea oregana subsp. oregana Bruce Bartholomew 1995-6-24 7017 Modoc 4.2 km E of County Road 114 on County Road 108. 1360 Comment
  CAS-BOT-BC179089  Sidalcea oregana subsp. oregana Alice Eastwood; John Thomas Howell 1940-6-12 8068 Modoc Between Likely and Jess Valley. Comment
  CAS-BOT-BC179091  Sidalcea oregana subsp. oregana Bruce Bartholomew 1995-8-1 7139 Modoc 14.8 km N of turn off to Cedarville on U.S. Hwy 395 and 8 km S of Davis Creek. 1450 Comment
  CAS-BOT-BC179093  Sidalcea oregana subsp. oregana Leland S. Smith 1922-7-13 1265 A Modoc Crowder Flat Ranger Station pasture. 1463 Comment
  UC748250  Sidalcea oregana subsp. oregana Annie M. Alexander and Louise Kellogg 1946-7-7 4924 Modoc Eight Mile Creek Eight Mile Creek (ne corner of county) 1752 Comment
  POM98592  Sidalcea oregana subsp. oregana F. W. Peirson 1926-6-25 6867 Modoc Cedarville Road, Warner Mts. Comment
  RSA31656  Sidalcea oregana subsp. oregana A. A. Heller 1938-6-24 15227 Modoc Between Alturas and Canby. 1341 Comment
  UC18883  Sidalcea oregana subsp. oregana Milo S. Baker 1893-7-11 Modoc Comment
  CAS-BOT-BC179051  Sidalcea oregana subsp. spicata E. S. Willits 1940-6-9 338 Modoc 12 Mile Creek. Comment
  CAS-BOT-BC179053  Sidalcea oregana subsp. spicata Leland S. Smith 1920-7-13 1188 Modoc Crowder Flat. 1371 Comment
  CHSC70472  Sidalcea oregana subsp. spicata A. Sanger 1997-7-9 2564 Modoc Little Willow Creek at crossing of County Rd. 181, in meadow S of Road. 1499 Comment
  SEINET2442027  Sidalcea oregana subsp. spicata Barbara Ertter 1988-6-18 7612 Modoc W side Hwy 139 just S of where it crosses railroad at jct to Clear lake, NE of Dry Lake E of Lava Beds Nat'l Monument.; 0 1250 Comment
  CAS-BOT-BC498759  Silene L. S. Smith 1924-6-29 1447 Modoc Modoc Forest, Lava R.S. Comment
  UC8414  Silene antirrhina Milo S. Baker 1893-6-14 Modoc Island , Island (Egg Lake) Comment
  POM101035  Silene douglasii Mrs. R. M. Austin 1895-08 423 Modoc Willow Creek (Devils Garden). Comment
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Nov 26 2011
  RSA610960  Silene douglasii L. C. Wheeler 1935-8-5 3784 Modoc Pine Creek, Warner Mts. 2317 Comment
  RSA65696  Silene douglasii var. douglasii F. W. Peirson 1926-6-25 6898 Modoc Small side canyon 1 mile east of summit of Warner Mountains on Cedarville Road. Comment
  HSC25438  Silene lemmonii D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19465 Modoc Upper Rush Creek Campground, about 8 mi. N of Adin on Hwy. 299 Comment
  UC8472  Silene lemmonii M. S. Baker and Frank Nutting 1894-6-8 Modoc Egg Lake Comment
  CAS-BOT-BC389519  Silene menziesii Arnold Tiehm 1984-6-30 8840 Modoc NW side of Bidwell Mt., 2.8 road miles north of 8 mile creek on the road from Lake Annie 1828 Comment
  NY452817  Silene menziesii B. M. Bartholomew 1990-6-17 5330 Modoc Sand Creek, 9.6 miles east of Cedarville, Surprise Valley. 1390 Comment
  HSC4222  Silene menziesii M. T. Milligan 1964-7-4 216 Modoc Lassen Creek above lower campground 1829 Comment
  CHSC85400  Sisymbrium altissimum John Dittes; Josephine Guardino 1991-7-21 416 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
  HSC65548  Sisymbrium altissimum Thomas Wood 1979-8-8 201 Modoc 1 mi. S of Ft. Bidwell along Hwy. 1, corner house where road turns W 1372 Comment
  HSC6906  Sisymbrium altissimum M. T. Milligan 1966-6-29 488 Modoc N end of Jess Valley 1616 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
  UC1537630  Sium suave Gordon H. True Jr. 1939-7-21 1028 Modoc n of Canby (Jack Swamp); Jack Swamp Comment
  UC1036057  Smilacina racemosa Annie M. Alexander and Louise Kellogg 1946-7-1 4892 Modoc 1/2 mi e summit <of> Bidwell Creek Road; Warner Mountains Comment
  JEPS62126  Smilacina racemosa Frances D. Payne 1931-6-21 226 Modoc ridge w Dry Creek (creek is a tributary of Parker Creek, s and e of Alturas); Warner Mountains 1981 Comment
  SEINET3154297  Smilacina sessilifolia Mrs. M. H. Manning 1903-1 114 Modoc Ft. Bidwell Comment
  JEPS62143  Smilacina stellata Frances D. Payne 1931-6-20 201 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  CAS-BOT-BC245431  Solanum physalifolium var. nitidibaccatum John Thomas Howell 1934-7-2 12365 Modoc W side of Clear Lake. Comment
  CAS-BOT-BC245433  Solanum physalifolium var. nitidibaccatum E. S. Willits 1939-10-27 172 Modoc School grounds, Willow Ranch. Comment
  CDA34734  Solanum triflorum L. Ahart, John Dittes 2010-8-3 17083 Modoc Parking Area west of the old barn, on the west side of Elkins Lane, Ash Creek State Wildlife Area, 320 feet north of Lassen County Line, about 4.4 miles (air) west of Adin, and about 7.2 miles (air) northeast of Bieber, Big Valley. Comment
  JEPS117366  Solanum triflorum Lowell Ahart, John Dittes 2010-8-30 17083 Modoc Parking Area west of the old barn, on the west side of Elkins Lane, Ash Creek State Wildlife Area, 320 feet north of Lassen County Line, about 4.4 miles (air) west of Adin, about 7.2 miles (air) northeast of Bieber, Big Valley 1266 Comment
  UC570688  Solanum triflorum F. H. Frost 1925-7-20 92 Modoc 2 mi above Cedarville (Cedar Camp); Warner Mountains, Cedar Camp Comment
  UCR64879  Solidago canadensis George K. Helmkamp 1990-9-23 H- 2 Modoc US Hwy 395, 13 mi north of Likely 1345 Comment
  HSC6189  Solidago elongata M. T. Milligan 1966-7-27 594 Modoc Slopes and ridges E of Jess Valley 1707 Comment
  UC36231  Solidago elongata Mrs. R. M. Austin Aug 1894 Modoc Goose Lake Valley Goose Lake Valley (Northern California) Comment
  UC88122  Solidago velutina subsp. californica Mrs. R. M. Austin 1894-8-1 92 Modoc Lassen Creek Comment
  CAS-BOT-BC158920  Sorbus scopulina B. Bartholomew 1991-7-6 6000 Modoc Rush Creek above Upper Rush Creek Camp Ground 1580 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
  RSA252436  Sparganium angustifolium subsp. emersum Robert F. Thorne, C. W. Tilforth 1969-9-5 39149 Modoc Along South Fork of Pit River ca. 7 miles east of Likely. 1433 Comment
  CAS-BOT-BC242251  Sparganium emersum Robert Folger Thorne; C. W. Tilforth 1969-9-5 39149 Modoc S Fork of Pit River ca. 7 mi. E of Likely. 1432 Comment
  CAS-BOT-BC242253  Sparganium emersum Bruce Bartholomew 1995-7-30 7072 Modoc Drainage from Taylor Reservoir just E of junction of County roads 93 and 94. 1260 Comment
  HSC68799  Spergularia rubra Gary Schoolcraft 1980-7-22 327 Modoc Near Benton Meadows at top of Lake City Canyon 2195 Comment
  UC1101245  Spirodela polyrhiza Verne Grant and Irving Schneider 1947-7-19 8066 Modoc s of Alturas (Corporation ranch, irrigation ditch s of s loop road) Comment
  SEINET11587780  Stachys ajugoides Unknown 2016-8-16 1 -6 Modoc Lookout Comment
  SEINET11587958  Stachys ajugoides Unknown 2016-8-16 12 -14 Modoc lookout Comment
  JEPS63093  Stachys ajugoides var. rigida Milo S. Baker 1893-7-25 Modoc Egg Lake Comment
  CAS-BOT-BC179204  Stachys pilosa B. Bartholomew; Barrett Anderson 1988-7-21 4428 Modoc Whipple Spring, E side of Whitehorse Flat Reservoir. 1340 Comment
  UC1028657  Stellaria calycantha Robert J. Weatherby 1955-7-8 1618 Modoc 7 mi n Ft. Bidwell; Warner Mts. 1874 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
  RSA101365  Stellaria umbellata R. Weatherby 1955-7-8 1618 Modoc 7 miles north of Ft. Bidwell, northern Warner Mts. 1875 Comment
  UC748387  Stenotus acaulis Annie M. Alexander and Louise Kellogg 1946-8-9 5138 Modoc Patterson Lake Trail, Warner Mountains. Comment
  SEINET10674650  Stenotus acaulis Charles L. Hitchcock 1940-5-27 Hitchcock 6668 Modoc 15 miles northeast of Alturas. On sagebrush knoll. 5300 ft. 1615 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
  SEINET11262516  Stephanomeria lactucina Richard R. Halse 2006-8-4 6998 Modoc Along Patterson Mill Road ca 4 miles southwest of its junction with Surprise Valley Road, east side of southern Warner Mountains.; 0 2097 Comment
  CAS-BOT-BC54267  Stephanomeria spinosa Bruce Bartholomew; Barrett Anderson 1990-7-21 5566 Modoc N Barber Creek, road from Surprise Valley to Patterson Ranger Station, E side of Warner Mts. 1710 Comment
  HSC13324  Stipa occidentalis var. californica M. T. Milligan 1965-6-30 384 Modoc E of Jess Valley. 1707 Comment
  HSC66167  Stipa pinetorum J. P. Smith, J. O. Sawyer 1973-8-8 7215 Modoc Near summit of Eagle Peak 2988 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
  UC1492722  Streptanthus cordatus Freed W. Hoffman 1955-7-14 4064 Modoc s side of road on roadcut 6 mi e junction of highways 395 and 8A; Modoc National Forest 1524 Comment
  CAS-BOT-BC95062  Streptanthus cordatus var. cordatus Annie Montague Alexander; L. Kellogg 1946-6-7 4995 Modoc 15 mi. E of Cedarville. 1752 Comment
  JEPS111376  Streptanthus cordatus var. cordatus Dean Wm. Taylor, Glenn Clifton 11162 Modoc Cedar Pass, northerly slopes of Peak 7298 2151 Comment
  CAS-BOT-BC242162  Streptopus amplexifolius var. americanus Bruce Bartholomew 1989-8-11 5065 Modoc Along Lassen Creek near SE side of Harris Flat, Warner Mountains. 1920 Comment
  CAS-BOT-BC95574  Suaeda calceoliformis Elmer Ivan Applegate 1932-7-6 8197 Modoc E side of Middle Lake, Surprise Valley. Along the nevada state line. Comment
  UCD99570  Suaeda calceoliformis H. D. Sylvester 1929-10-1 s.n. Modoc Exact location unknown. Comment
  CAS-BOT-BC180106  Swertia albicaulis var. albicaulis Isabelo T. Kelly 1930-1-1 67 Modoc Modoc County. Comment
  CAS-BOT-BC180087  Swertia radiata Bruce Bartholomew; Barrett Anderson 1988-7-22 4518 Modoc NE side of Patterson Meadow, southern end of the Warner Mts.. 2180 Comment
  HSC81054  Swertia radiata G. M. Riegel 1979-7-27 596 Modoc South Warner Mtns. 1829 Comment
  UC416558  Symphoricarpos mollis var. acutus Milo S. Baker 1898-1 Modoc Forestdale 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
  CHSC105979  Symphyotrichum ascendens Lowell Ahart; John Dittes 2010-8-30 17053 Modoc Bottom of a small vernal pool, about 10 yards east of the fence, south edge of the meadow, Ash Creek State Wildlife Area, 2300 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  CHSC99954  Symphyotrichum ascendens Lowell Ahart; John Dittes 2008-8-25 15293 Modoc On the west bank of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout. 1273 Comment
  JEPS117169  Symphyotrichum ascendens Lowell Ahart, John Dittes 2010-8-30 17053 Modoc Bottom of a small vernal pool, about 10 yards east of the fence, south edge of the meadow, Ash Creek State Wildlife Area, 2300 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley 1267 Comment
  HSC81023  Symphyotrichum ascendens G. M. Riegel 1979-8-22 682 Modoc South Warner Mtns. 1670 Comment
  UC71843  Symphyotrichum ascendens Mrs. M. H. Manning Aug 1 1904-Sep 1 1904 477 Modoc Alturas (ne Modoc County) Comment
  JEPS40835  Symphyotrichum bracteolatum L. S. Smith 1919-8-18 1134 Modoc Ash Valley Comment
  CHSC112824  Symphyotrichum campestre Lowell Ahart; John Dittes 2013-7-25 18950 Modoc Along the north-south fence, south edge of Ash Creek Floodplain, northwest of Patterson Homestead, east of Elkins Lane, 1.0 mile (air) south of County Road 87, 3.14 miles (air) west of Adin, Big Valley. 1267 Comment
  RSA0118760  Symphyotrichum campestre Lowell A. Ahart, John Dittes 2013-7-25 18950 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-BC15221  Symphyotrichum eatonii Leland S. Smith 1922-8-8 1333 Modoc Along stream in Section 14.T40, R9 1524 Comment
  CAS-BOT-BC99011  Symphyotrichum eatonii L. S. Smith 1922-8-8 1333 Modoc Along stream 1524 Comment
  HSC81036  Symphyotrichum foliaceum var. apricum G. M. Riegel 1979-9-8 757 Modoc South Warner Mtns. 2100 Comment
  CAS-BOT-BC15153  Symphyotrichum foliaceum var. parryi Leland S. Smith 1918-7-15 999 Modoc Mill Creek Corral. 2087 Comment
  CAS-BOT-BC15156  Symphyotrichum foliaceum var. parryi Louis Cutter Wheeler 1935-8-16 3875 Modoc Dismal Swamp, Warner Mountains 2225 Comment
  UC1192203  Symphyotrichum spathulatum Verne Grant and Irving Schneider 1947-8-28 8335 Modoc nw of, (Jack Swamp) Alturas; Jack Swamp 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
  UC469026  Symphyotrichum spathulatum W. P. Taylor and H. C. Bryant 1910-7-24 Modoc Squaw Peak Warner Mountains, Squaw Peak Comment
  CAS-BOT-BC15170  Symphyotrichum spathulatum var. spathulatum Annie Montague Alexander; L. Kellogg 1946-7-17 5010 Modoc Benton Meadow, Warner Mountains 2072 Comment
  CAS-BOT-BC15173  Symphyotrichum spathulatum var. spathulatum Annie Montague Alexander; L. Kellogg 1946-7-13 4991 Modoc Cowhead Lake. Comment
  CAS-BOT-BC15176  Symphyotrichum spathulatum var. spathulatum E. S. Willits 1939-10-10 167 Modoc Surprise Valley. 1371 Comment
  HSC5059  Symphyotrichum spathulatum var. spathulatum M. T. Milligan 1966-7-27 593 Modoc E of Jess Valley 1646 Comment
  CAS-BOT-BC232351  Synthyris missurica Francis Dorris Payne 1955-7-21 s.n. Modoc Lily Lake. Comment
  CAS-BOT-BC232353  Synthyris missurica Bruce Bartholomew; Barrett Anderson 1990-7-20 5494 Modoc 10.3 km N of Buck Creek Ranger Station, crest of Warner Mountains W side of Warner Mts. 2130 Comment
  RSA427059  Synthyris reniformis Louis C. Wheeler 1935-8-5 3788 Modoc Consolidated Mine, Pine Creek, Warner Mountains 2287 Comment
  UCD32680  Taeniatherum caput-medusae Beecher Crampton 1954-7-6 2089 Modoc Modoc County, Porter Ranch, 8 miles east of Alturas, on Road 56. Comment
  SEINET5344494  Taeniatherum caput-medusae M. J. Williams, J. Nachlinger 1988-6-2 88- 28 -6 Modoc Jess Valley, E of Likely, S of roadside rest Comment
  HSC6254  Taraxacum officinale M. T. Milligan 1966-5-14 610 Modoc Plateau W of Jess Valley 1829 Comment
  UC36615  Taraxacum officinale Mrs. R. M. Austin and Bruce May 1898 2178 Modoc Comment
  UC615051  Taraxia subacaulis Beryl O. Schreiber 1934-6-10 1164 Modoc Lost Lake Warner Mountains Comment
  CAS-BOT-BC54231  Tetradymia canescens R. M. Austin 1894-9-1 s.n. Modoc N of Alturas. Comment
  RSA34819  Tetradymia canescens Roxana S. Ferris, Laura Lorraine 1941-8-14 10599 Modoc 5 1/2 mi from Patterson Ranger Station on Eagleville Road. Modoc National Forest. Warner Mtns. Comment
  SD61011  Tetradymia canescens Darley F. Howe 1964-8-1 Modoc 11 miles south of Alturas on Highway 395 1280 Comment
  UC71697  Tetradymia canescens Mrs. M. H. Manning 1902-1 29 Modoc near Fort Bidwell Comment
  CAS-BOT-BC54241  Tetradymia glabrata Bruce Bartholomew 1991-6-22 5847 Modoc E side of Surprise Valley, 9.6 km E of Eagleville at the Nevada border. 1520 Comment
  CAS-BOT-BC217127  Thalictrum fendleri Roxana Stinchfield Ferris; R. Duthie 1919-6-3 53 Modoc Parker Creek at Modoc Nat. Forest Boundary. Comment
  JEPS60731  Thalictrum fendleri Leland S. Smith 1918-6-22 946 Modoc Lily Lake Modoc National Forest 2103 Comment
  NY496039  Thalictrum fendleri K. Paulson 1989-6-21 146 Modoc Pine Creek Basin, west side of the Warner Mountains 2109.2 Comment
  RSA27039  Thalictrum occidentale var. palousense C. L. Hitchcock 1940-5-27 6704 a Modoc 15 miles northeast of Alturas. 1616 Comment
  UCR51753  Thelypodium milleflorum George Willet 1935-6-9 s.n. Modoc Eagleville 1402 Comment
  CAS-BOT-BC181794  Thermopsis californica var. argentata Leland S. Smith 1920-6-17 5 A Modoc N end of Egg Lake. 1310 Comment
  HSC28502  Thermopsis californica var. argentata D. H. Norris, S. Dowty, T. Nelson 1971-6-23 19491 Modoc Big Valley Summit, 6 mi. W of Adin on Hwy. 299 Comment
  POM16961  Thermopsis californica var. argentata Milo S. Baker 1899-8-14 s.n. Modoc Forestdale Comment
  UC54938  Thermopsis macrophylla var. argentata Milo S. Baker 1899-8-14 Modoc Forestdale (Egg Flat) Comment
  UC175867  Thlaspi arvense J. L. Chace Aug. 1913 Modoc Adin Comment
  UCD115577  Thlaspi arvense W. S. Ball 1937-6-28 s.n. Modoc Modoc County. Comment
  UCD115582  Thlaspi arvense R. N. Raynor; E. Berry 1940-4-12 s.n. Modoc Corporation Ranch, Likely. Comment
  UC748104  Thlaspi montanum var. montanum Annie M. Alexander and Louise Kellogg 1946-8-9 5127 Modoc Patterson Lake Trail; Warner Mountains, Patterson Lake Trail Comment
  CAS-BOT-BC252539  Torreyochloa pallida var. pauciflora Leland S. Smith 1918-7-11 988 Modoc Mill Creek Meadow. 2072 Comment
  UCD139868  Toxicoscordion paniculatum Dean Dubbe 1974-5-26 15- 6 Modoc west side of South Warner Wilderness. 1737 Comment
  JEPS117467  Tribulus terrestris Lowell Ahart, John Dittes 2010-8-31 17132 Modoc West side of Elkins Lane, about 10 yards south of the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley 1267 Comment
  JEPS63189  Trichostema laxum W. I. Follett 1942-9-7 137 Modoc Lost River, E branch Comment
  JEPS17729  Trifolium kingii var. productum Rimo Bacigalupi with G. T. Robbins 1955-7-20 5391 Modoc 3.3 mi e Patterson Ranger Station; Warner Mtns, southern end, Modoc Ntional Forest 2225 Comment
  JEPS66044  Trifolium kingii var. productum Frances D. Payne 1931-6-29 301 Modoc e slope Mt. Warren; Warner Mtns 2286 Comment
  CAS-BOT-BC181744  Trifolium longipes Annie Montague Alexander; L. Kellogg 1946-6-26 4832 Modoc Dismal Swamp. 2255 Comment
  CAS-BOT-BC181754  Trifolium longipes Bruce Bartholomew; Barrett Anderson 1990-7-20 5502 Modoc Tamarack Flat, E side of Warner Mts. 2150 Comment
  POM349460  Trifolium longipes subsp. atrorubens Robert Gustafson 1985-6-13 3163 Modoc Jct of Hwy 49 and Forest Service road 12, Yuba Pass summit. 2043 Comment
  JEPS33197  Trifolium longipes subsp. multipedunculatum L. S. Smith 1918-6-22 968 Modoc Pine Cr. Consol. Mine, Modoc Forest 1981 Comment
  CAS-BOT-BC181737  Trifolium macrocephalum E. S. Willits 1940-4-27 192 Modoc Davis Creek. Comment
  SEINET3145242  Trifolium macrocephalum E. K. Balls 1950-5-10 15960 Modoc Hwy 395, 5.5 mi NE of Alturas, 0.5 mi before junction 1524 Comment
  UCD149866  Trifolium macrocephalum Harry George 1967-6-15 s.n. Modoc Lookout. Comment
  CAS-BOT-BC180170  Trifolium microcephalum Bruce Bartholomew; Barrett Anderson 1988-6-25 4401 Modoc Ryan Canyon, N of Adin. 1390 Comment
  CHSC117235  Trifolium repens Lowell Ahart; John Dittes 2016-7-16 21241 Modoc Between the first pond and the second going west, south of Ash Creek Canal (now filled in), south of Ash Creek, Ash Creek State Wildlife Area, 0.79 miles (air) south of County Road 87, 1.75 miles (air) west of Adin, Big Valley. 1273 Comment
  CAS-BOT-BC180166  Trifolium variegatum Bruce Bartholomew 1994-7-1 6761 Modoc 11.9 km NW of State Hwy. 299 on road to Dutch Flat. 1400 Comment
  JEPS127159  Trifolium wormskioldii Lowell Ahart, John Dittes 2016-7-16 21242 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
  JEPS70739  Trisetum canescens L. S. Smith 1919-7-24 113 Modoc Joseph Creek; Warner Mts. Comment
  JEPS70747  Trisetum spicatum Leland S. Smith 1918-1 1093 1/2 Modoc Comment
  SEINET5424184  Trisetum spicatum D. Charlet 1989-8-17 554 Modoc Warner Mountains, 1.3 km northwest of Eagle Peak 2550 Comment
  CAS-BOT-BC242159  Triteleia hyacinthina Bruce Bartholomew; Barrett Anderson 1990-7-19 5438 Modoc Sweagert Flat. 1860 Comment
  CAS-BOT-BC242199  Triteleia hyacinthina Bruce Bartholomew; Barrett Anderson 1990-7-20 5548 Modoc N edge of Howard Flat, W side of Warner Mts. 2000 Comment
  UC1133919  Triteleia hyacinthina R. C. Wilson 1933-6-27 55 Modoc Tom's Creek Canby Quad., Tom's Creek Comment
  HSC13438  Triticum aestivum M. T. Milligan 1964-7-20 161 Modoc N end of Jess Valley, near Mill Creek. 1677 Comment
  CAS-BOT-BC58560  Turritis glabra John Thomas Howell 1934-6-12 12021 Modoc Plum Valley, Warner Mts. Comment
  CAS-BOT-BC58563  Turritis glabra Bruce Bartholomew 1991-6-21 5822 Modoc Vicinity of Drift Fence Tank, 2 km S of Forest Service road 73 on road to Rim Rock Valley. 1580 Comment
  CAS-BOT-BC242293  Typha latifolia Bruce Bartholomew 1989-8-10 5035 Modoc Little Hot Spring Valley, 3.2 km NW of Day. 1070 Comment
  UC70009  Typha latifolia Mrs. M. H. Manning 1903-5 432 Modoc north-eastern Modoc County Comment
  UC1240170  Typha latifolia Verne Grant and Irving Schneider 1947-7-22 8163 Modoc on highway 395 about 1