Search Results — 2000 specimen records retrieved (1499 records with coordinates)
(That's the default maximum. Contact Jason Alexander for larger data requests.)

Results for search: County=MODOC; Source=All;   

Mapping Options:

BerkeleyMapper with county and bioregion layers
BerkeleyMapper without layers.
KML export
(Note: only records with coordinates are mappable)

Download Options:
Select all records · Select records with coordinates

Include annotations and voucher information

PLEASE NOTE: Due to changes in newer versions of Excel, directly copying text from the above selected results does not produce a usable table.
    Follow these steps:
      1. The contents of the selected results window must be copied into a text editor like TextEdit for Mac or WordPad for Windows
      2. The selected results must be saved as a new text document.
      3. This new text document can now be copied into Excel or imported as a tab delimited text file.

(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

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

Click on column header to sort data (* sorts by family); click in leftmost checkbox to select record. CCH Help Page.
Turn on yellow flags to show possible range discrepancies. Read more ...
? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  HSC80921  Abies concolor G. M. Riegel 1979-8-1 729 Modoc S Warner Mtns. 1670 Comment
  CAS-BOT-BC15671  Achillea millefolium Bruce Bartholomew 1989-7-15 5000 Modoc Sweagert Flat. 1860 Comment
  CHSC100359  Achillea millefolium Lowell Ahart; John Dittes 2008-8-25 15317 Modoc On the east bank (flood plain) of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-notheast of Lookout. 1273 Comment
  HSC4552  Achillea millefolium M. T. Milligan 1964-6-6 5 Modoc N side of Dorris Reservoir along shore 1372 Comment
  CAS-BOT-BC242283  Achnatherum hymenoides Burgess L. Kay 1957-6-1 s.n. Modoc 2 mi. NE of Likely. Comment
  UCD50343  Achnatherum hymenoides Beecher Crampton; with Carl Rimbey 1954-7-7 2151 Modoc 7 miles east of Cedarville. Comment
  CDA28104  Achnatherum lemmonii L. White & H. T. Osborne 1957-6-27 Modoc 1/4 mile west of Cedar Pass, 3 miles west of Cedarville. Comment
  UCD32689  Achnatherum lemmonii Beecher Crampton 1954-7-6 2101 Modoc Modoc County, Road 56, following Shields Creek into Warner Mountains, 22 miles east of Alturas. Comment
  UCD32695  Achnatherum lemmonii Beecher Crampton 1954-7-6 2110 Modoc Modoc County, Road 56, following Shields Creek into Warner Mountains, 22 miles east of Alturas. Comment
  UCD50450  Achnatherum lemmonii Beecher Crampton; with Carl Rimbey 1954-7-6 2101 Modoc 20 miles E of Alturas. Warner Mountains. Above Shields Creek. Comment
  UCD50631  Achnatherum lemmonii R. Tofsrud 1947-7-1 211 Modoc Between Alturas and Cedarville, Modoc County. Comment
  CAS-BOT-BC242317  Achnatherum lettermanii Bruce Bartholomew; Barrett Anderson 1988-6-23 4286 Modoc Widow Valley, 18.0 km W of Day on County Road 94. 1230 Comment
  CAS-BOT-BC242316  Achnatherum occidentale subsp. californicum Elmer Ivan Applegate 1932-7-31 7988 Modoc Mill Creek Meadow. 2438 Comment
  UC1024791  Achnatherum occidentale subsp. californicum Leo Whitney 1935-6-9 3210 b Modoc White Horse Comment
  UC1024940  Achnatherum occidentale subsp. pubescens Leo Whitney 1935-7-3 3332 Modoc 17 mi nw Canby (Badger Wells); Badger Wells Comment
  RSA163786  Achnatherum thurberianum Clare B. Hardham 1961-6-19 7859 Modoc Willow Creek. Warner Mountains. Comment
  HSC98299  Acmispon wrangelianus M. T. Milligan 1964-6-6 6 Modoc N side of Dorris Reservoir along shore 1372 Comment
  JEPS60376  Actaea rubra Milo S. Baker 1893-7-15 Modoc 1371 Comment
  HSC69608  Adenocaulon bicolor Gary Schoolcraft 1980-7-22 323 Modoc Lake City Canyon 1890 Comment
  CAS-BOT-BC218323  Adonis aestivalis Mrs. H. C. Cantelow 1949-6-12 s.n. Modoc About 1 mi. W of Canby. Comment
  CAS-BOT-BC218328  Adonis aestivalis K. Paulson; Robert Paulson 1988-6-10 22 Modoc SW of Dorris Reservoir. 1341 Comment
  JEPS94590  Adonis aestivalis Vernon H. Oswald, Beth Corbin and Gary Schoolcraft 1993-5-17 8463 Modoc Bushey Rd. on n side of river s Canby Bridge; Pit River 1280 Comment
  UC2026973  Adonis aestivalis Anthony Baniaga 2011-6-10 323 Modoc Along Highway 299, ca. 0.25 mi E of County Road 75. Quadangle Comment
  CAS-BOT-BC218322  Adonis aestivalis Leland S. Smith 1926-7-7 1514 Modoc Near Pit River Ranger Station. 1524 Comment
  CHSC12955  Agastache urticifolia K. R. Stern; D. B. Joley, J. G. Geschke 1974-6-23 5836 Modoc At foot of small cliff above roadside bank on e side of Hwy. 395, ca. 4 mi n of Alturas. 1371 Comment
  POM70467  Agastache urticifolia Mrs. R. M. Austin 1898-06 2195 Modoc Foothills, Goose Lake. Comment
  SEINET7940441  Agastache urticifolia M. S. Baker 1893-1 s.n. Modoc Egg Lake. Comment
  CHSC118796  Ageratina occidentalis L. P. Janeway 2015-8-9 11824 Modoc Warner Mountains. On the south side of a knoll on the west side of Road 39N06 2.2 road-km north of Road 64 (39N01 - the road to Patterson campground); 5.8 air-km north-northeast of Blue Lake. 2170 Comment
  CHSC70462  Ageratina occidentalis A. Sanger 1997-8-7 2602 Modoc Pepperdine trailhead at wilderness boundary. 2194 Comment
  UC571022  Ageratina occidentalis F. H. Frost 1925-7-20 91 Modoc 2 mi above Cedarville; Warren Mts., Cedar Campt Comment
  UC748089  Ageratina occidentalis Annie M. Alexander and Louise Kellogg 1946-8-9 5146 Modoc Patterson Lake Trail Warner Mountains, Patterson Lake Trail Comment
  CAS-BOT-BC15525  Agoseris X dasycarpa Alice Eastwood; John Thomas Howell 1940-6-14 8250 Modoc Between Mammoth Cave and Lava Beds National Monument Comment
  CAS-BOT-BC21368  Agoseris aurantiaca var. aurantiaca K. Paulson; Robert Paulson 1989-7-14 178 Modoc Vicinity of Little Lily Lake, ca. 2.5 mi. S of the Oregon border, N end of Warner Mts. 2171 Comment
  UC29346  Agoseris grandiflora var. grandiflora M. S. Baker and Frank Nutting 1894-6-29 Modoc near Lookout (Big Valley); Big Valley Comment
  CHSC66988  Agoseris heterophylla James D. Jokerst 1987-5-12 2841 Modoc Radar Survey Site S of Doublehead Mtn., N end of central sector. Comment
  UC29358  Agoseris heterophylla var. heterophylla M. S. Baker and Frank Nutting 1894-6-16 Modoc hillside near Forestdale Comment
  SJSU9672  Agoseris monticola W. Savage 1979-7-9 1520 Modoc Bowles Meadow, Devils Garden District, Modoc National Forest 1493 Comment
  CAS-BOT-BC242302  Agropyron cristatum Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16434 Modoc 4 mi. E of summit of Cedar Pass. Comment
  CAS-BOT-BC242308  Agropyron cristatum Bruce Bartholomew; Barrett Anderson 1990-7-20 5487 Modoc 10.3 km N of Buck Creek Ranger Station, crest of Warner Mountains W side of Warner Mts. 2130 Comment
  JEPS73941  Agrostis alba Frances D. Payne 1932-7-18 698 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  UC1037168  Agrostis alba Leo Whitney 1935-7-17 3512 Modoc ca 15 mi nw Canby; Modoc National Forest, Lake Joaquina, Hackamore 1463 Comment
  UC1024930  Agrostis exarata Leo Whitney 1935-6-29 3347 Modoc ca 15 mi nw Canby (Lake Joaquina, Hackamore); Modoc National Forest, Lake Joaquina, Hackamore 1463 Comment
  UC1024978  Agrostis pallens Leo Whitney 1935-7-6 3420 Modoc near Lookout; Pit River Comment
  SJSU9634  Agrostis stolonifera W. Savage 1979-7-7 1453 Modoc Triangle, west side of Fairchild Swamp Unit, Modoc National Forest 1493 Comment
  CAS-BOT-BC190681  Aliciella micromeria Bruce Bartholomew 1995-5-13 6902 Modoc E of Eagleville near Eagleville Airport, S end of Surprize Valley. 1390 Comment
  POM261432  Alisma gramineum Alice Eastwood, J. T. Howell 1940-6-12 8037 Modoc Likely Comment
  UC985651  Alisma plantago-aquatica Herbert L. Mason 1947-8-12 13508 Modoc Alturas, junction of North and South Forks of Pit River Pit River Comment
  CHSC112839  Alisma triviale Lowell Ahart; John Dittes 2013-7-24 18923 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
  CAS-BOT-BC245006  Allium acuminatum M. M. Hanna 1956-6-4 954 Modoc Alturas-Cedarville Hwy. Comment
  CAS-BOT-BC245007  Allium acuminatum Bruce Bartholomew 1990-6-17 5306 Modoc Vicinity of Emerson Camp near roadhead, E side of Warner Mts. 1750 Comment
  CAS-BOT-BC245012  Allium acuminatum Leland S. Smith 1918-6-26 938 Modoc Buck Creek Ranger Station. 1600 Comment
  CAS-BOT-BC245018  Allium acuminatum Alice Eastwood; John Thomas Howell 1940-6-1 8012 Modoc 6 mi. NE of Adin on road to Canby. Comment
  CAS-BOT-BC245021  Allium acuminatum John Thomas Howell 1934-6-11 11956 Modoc Parker Creek. 1584 Comment
  POM110315  Allium acuminatum Mrs. R. M. Austin 1895-07 499 Modoc Goose Lake Valley. Comment
  JEPS47577  Allium acuminatum F. H. Frost 1925-7-12 65 Modoc Stow's Meadow Cedar Canyon, Stow's Meadow Comment
  SEINET8399361  Allium amplectens Unknown 1919-6-14 Modoc Warner Mts. near Alturas. 2134 Comment
  UCD141839  Allium amplectens L. K. Mann; M. D. Mann 1963-6-18 s.n. Modoc 4.6 miles north of Adin toward Alturas. Comment
  UCD141853  Allium bisceptrum Beecher Crampton 1960-6-17 5693 Modoc McKay Flat, 13 miles west of Canby, 2.5 miles northeast Happy Camp Station. 1280 Comment
  JEPS47629  Allium bisceptrum var. bisceptrum L. S. Smith 1843-1 Modoc Cottonwood Pass Warner Mts., Cottonwood Pass 2133 Comment
  RSA367064  Allium lemmonii George Willet 1935-6-21 s.n. Modoc Warren Mountains. 2287 Comment
Read comments
Jul 16 2011
  SEINET3878767  Allium parvum D. W. McNeal 1979-5-13 2225 Modoc Beside Hwy #395, 15.8 mi S of the jct of Hwy #299 in Alturas.; 0 Comment
  CHSC30636  Allium platycaule N. E. H. Prouty 1980-6-2 176 Modoc Northern side of Dry Creek Basin Rd. Modoc Nat. Forest, Warner Mt. District. Comment
  POM204114  Allium platycaule J. T. Howell 1934-6-11 11920 Modoc Parker Creek, Warner Mts. 1585 Comment
  JEPS47608  Allium platycaule Frances D. Payne 1929-6-12 3 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  SEINET256832  Allium platycaule Margaret J. Williams 1984-6-28 84- 69 -1 Modoc End of Soldier Creek road. 2073 Comment
  CAS-BOT-BC244948  Allium tolmiei var. tolmiei Bruce Bartholomew; Barrett Anderson 1989-6-3 4894 Modoc ca. 5 km E of the SE corner of Clear Lake Reservoir. 1450 Comment
  CAS-BOT-BC244954  Allium tolmiei var. tolmiei Bruce Bartholomew; Mona Bourell 1990-4-27 5182 Modoc Vicinity of Lower Cummings Reservoir, 5 km NW of Hwy 299 on Crowder Flat Rd. 1540 Comment
  CHSC109735  Allium validum B. Castro; L. P. Janeway 2012-7-27 1974 Modoc Warner Mountains. North-sloping meadow opening just above Mineral Spring, 0.,3 air mi east of Yellow Mountain. Meadow surrounded by tall lodgepole pine forest; on E side of road. 2350 Comment
  RSA504656  Allium validum Bruce Bartholomew, B. Anderson 1988-7-23 4585 Modoc Vicinity of Blue Bell Mine between Lily Lake and Dismal Swamp, Warner Mountains. 2170 Comment
  JEPS101211  Alopecurus aequalis Dean Wm. Taylor with Glenn L. Clifton 1989-8-5 10476 Modoc Warner Mountains, North Emerson Lake margin Comment
  RSA313195  Alopecurus aequalis Verne Grant, Irving Schneider 1947-7-19 8082 Modoc Williams Ranch, north of Likely. Comment
  UC1100229  Alopecurus aequalis Verne Grant and Irving Schneider 1947-7-19 8082 Modoc Williams Ranch n. of Likely Comment
  JEPS119858  Alopecurus carolinianus Lowell Ahart, John Dittes 2012-7-12 18357 Modoc About 1/8 mile east of the parking area on the east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. Comment
  CAS-BOT-BC242336  Alopecurus geniculatus Bruce Bartholomew; Barrett Anderson 1988-5-14 4204 Modoc Hager Basin Reservoir between Crowder Flats and Big Sage Reservoir on USFS road 48N08. 1530 Comment
  UC1100225  Alopecurus geniculatus Herbert L. Mason, Malcolm A. Nobs, and S. Galen Smith 1949-5-29 764 Modoc 2 mi. e. Adin Comment
  CAS-BOT-BC242343  Alopecurus geniculatus John H. Hatton 1911-6-12 47 Modoc unspecified - Modoc National Forest 1493 Comment
  CDA18403  Alopecurus pratensis G. D. Barbe, P. Hiatt & M. Keffer 1980-6-4 2803 Modoc Modoc Plateau; Eastside Canal/ Railroad crossing on Westside Road, north of Likely. 1341 Comment
  CHSC99777  Alopecurus pratensis Lowell Ahart; John Dittes 2008-6-21 14988 Modoc On dry soil, about 10 yards north of a large culvert, on the large levee mountain meadow, in Big Valley, about 2.8 miles (air) north of the Headquarters at Ash Creek State Wildlife Area, about 5.4 miles (air) northeast of Bieber. 1255 Comment
  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
  UCD77320  Alyssum simplex Robert E. Preston 2000-6-1 1356 Modoc Modoc Plateau, along Hwy 139, ca. 2 mi e of Forest Service Road 44N11, T42N R8E nw 1/4 Section 3 1493 Comment
  POM229957  Amaranthus californicus L. C. Wheeler 1935-8-18 3891 Modoc 2 miles northeast of Alturas 1357 Comment
  CHSC106212  Amaranthus powellii Lowell Ahart; John Dittes 2010-8-31 17107 Modoc On the east side of Elkins Lane, about 100 yards north of the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  JEPS117481  Amaranthus powellii Lowell Ahart, John Dittes 2010-8-31 17107 Modoc On the east side of Elkins Lane, about 100 yards north of the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley 1267 Comment
  POM141579  Amelanchier pallida M. S. Baker 1893-1 s.n. Modoc [Unspecified] Comment
  CAS-BOT-BC217097  Amelanchier utahensis Elmer Ivan Applegate 1929-6-25 5901 Modoc Cottonwood Creek, E side of Goose Lake. Comment
  JEPS45141  Amelanchier utahensis W. L. Jepson 1918-8-6 7838 Modoc Summit of Fandango Pass; Warner Mts. 1859 Comment
  UC859121  Amelanchier utahensis C. L. Hitchcock 1940-5-27 6701 Modoc 15 mi ne Alturas 1676 Comment
  CAS-BOT-BC245116  Amphiscirpus nevadensis Bruce Bartholomew; Barrett Anderson 1990-7-20 5449 Modoc Margin of Goose Lake at S end of the causeway to McGinty Point. 1440 Comment
  CAS-BOT-BC54156  Amsinckia menziesii Elmer Ivan Applegate 1929-6-25 5908 Modoc Willow Ranch, Goose Lake. Comment
  CAS-BOT-BC54157  Amsinckia menziesii John Thomas Howell 1934-6-16 12209 Modoc Parker Creek. 1584 Comment
  JEPS121202  Amsinckia menziesii Lowell Ahart, John Dittes 2013-7-25 18952 Modoc 30 yards N of the E-W fence, south edge of Ash Creek Floodplain, NE of Patterson Homestead, E of Elkins Lane, 1.0 air miles S of County Road 87, 3.14 air miles W of Adin, Big Valley. Comment
  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
  UCD119739  Amsinckia menziesii Verne Grant; Irving Schneider 1947-7-18 8044 Modoc Eastside Canal, 5 miles north of Bayley's bridge, south of Alturas. Comment
  JEPS25208  Amsinckia menziesii var. menziesii Frances D. Payne 1931-6-17 184 Modoc Parker Creek s and e of Alturas; Warner Mountains 1584 Comment
  CAS-BOT-BC54163  Amsinckia tessellata var. tessellata John Thomas Howell 1934-6-16 12213 Modoc Parker Creek, Warner Mountains 1584 Comment
  CAS-BOT-BC15604  Ancistrocarphus filagineus Bruce Bartholomew; Barrett Anderson 1990-7-19 5435 Modoc Sweagert Flat. 1860 Comment
  CAS-BOT-BC218331  Anemone Francis Dorris Payne 1931-6-29 285 Modoc E side of Mt. Warren, Warner Mts. Comment
  CAS-BOT-BC15611  Antennaria argentea M. M. Hanna 1956-6-7 s.n. Modoc Hwy 139 between Canby and Tienesta. Comment
  CAS-BOT-BC15618  Antennaria argentea Margaret J. Williams 1984-6-29 84- 72 -2 Modoc Cave Lake. 2133 Comment
  JEPS30614  Antennaria argentea Peter H. Raven and Otto T. Solbrig 1958-6-18 13310 Modoc Cottonwood Flat Camp Ground; Modoc National Forest Comment
  JEPS33959  Antennaria argentea L. S. Smith 1917-7-1 88 Modoc Granger Ranger Ste.; Warner Mts. 1676 Comment
  RSA128287  Antennaria argentea Peter H. Raven, Otto T. Solbrigo 1958-6-18 13310 Modoc Cottonwood Flat Camp Ground, Modoc National Forest Comment
  CAS-BOT-BC15581  Antennaria dimorpha Roxana Stinchfield Ferris; R. Duthie 1919-6-16 133 Modoc Above Parker Creek. Comment
  CAS-BOT-BC59210  Antennaria dimorpha John Thomas Howell 1934-6-14 12136 Modoc Near Lost Lake, Warner Mts. 2438 Comment
  UC485205  Antennaria dimorpha Franklin P. Nutting Modoc Egg Lake Comment
  CHSC63376  Antennaria flagellaris Vernon H. Oswald; Beth Corbin, Allison Sanger 1994-7-9 6375 Modoc Dismal Swamp ca. 6 mi (air) E of Hwy. 395, just S of the Oregon border. 2218 Comment
  CAS-BOT-BC15588  Antennaria geyeri John Thomas Howell 1934-6-30 12255 Modoc Duncan Horse Camp. 1355 Comment
  CHSC66986  Antennaria geyeri James D. Jokerst 1987-5-11 2837 Modoc g strand of the 1353 Comment
  SEINET6735128 Image available Antennaria geyeri M. S. Baker 1893-1 s.n. Modoc Egg Lake Comment
  CAS-BOT-BC15551  Antennaria luzuloides Bruce Bartholomew; Mona Bourell 1990-4-27 5179 Modoc Vicinity of Lower Cummings Reservoir, 5 km NW of Hwy 299 on Crowder Flat Rd. 1540 Comment
  CAS-BOT-BC15600  Antennaria luzuloides Bruce Bartholomew 1990-6-17 5351 Modoc 4 km N of Buck Creek Ranger Station at turn off to Del Prat Spring, W side of Warner Mts. 1900 Comment
  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
  RSA518794  Antennaria luzuloides Barbara Ertter 1988-6-18 7625 Modoc Hwy 139, 50 airmiles SW of Klamath Falls, a few miles N of Agric. Inspection Station, 1 mile S of jct to Lava Beds Nat'l Monument E of Tonesta. 1311 Comment
  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
  CAS-BOT-BC15558  Antennaria rosea subsp. rosea Annie Montague Alexander; L. Kellogg 1946-7-11 4973 Modoc Mesa W of Eight Mile Creek. Comment
  HSC65544  Anthemis cotula Thomas Wood 1979-8-8 205 Modoc 1 mi. S of Ft. Bidwell, along Hwy. 1, corner house where road turns W 1372 Comment
  CHSC107343  Apera interrupta Lowell Ahart; John Dittes 2011-6-22 17549 Modoc On the west side of the road, about 100 yards north of the Pilot Butte Parking Lot, north edge of Ash Creek Floodplain, 1.1 miles (air) south of County road 87, 7.7 miles (air) west of Adin, 10 miles (air) east of Lookout, Big Valley. 1264 Comment
  UC22906  Apocynum androsaemifolium Baker July, 1893 Modoc Comment
  CAS-BOT-BC15695  Apocynum cannabinum Margaret J. Williams 1984-6-30 84- 76 -2 Modoc Cedar Pass Road, 1.7 mi. W of Cedarville. 1508 Comment
  UC1125881  Aquilegia formosa R. C. Wilson 1933-7-6 57 Modoc n Roney Flat; Canby quad, Modoc National Forest 1432 Comment
  UC202472  Aquilegia formosa I. Tidestrom 1910-6-25 3613 Modoc Sibley Draw Comment
  NY485762  Aquilegia formosa M. S. Baker 1893-6-29 s.n. Modoc Comment
  CAS-BOT-BC218344  Aquilegia formosa var. formosa Bruce Bartholomew; Barrett Anderson 1988-6-24 4353 Modoc 9.8 km SW of County road 1 on County Road 42, E side of the Warner Mts.. 1960 Comment
  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
  HSC81078  Arabis drummondii G. M. Riegel 1980-8-11 1026 Modoc S Warner Mtns. 2100 Comment
  RSA59851  Arabis holboellii var. retrofracta E. K. Balls 1950-5-14 14691 Modoc 0.2 mi. south of boundary Modoc National Forest, trail from Alturas to Thomas Reservoir. 1524 Comment
  HSC81059  Arabis lyallii G. M. Riegel 1980-9-3 1140 Modoc S Warner Mtns. 1829 Comment
  JEPS53114  Arabis puberula L. S. Smith 1917-7-2 55 Modoc w slope Warner Mts. 2316 Comment
  NY119572  Arabis sparsiflora G. Schoolcraft 1981-5-6 380 Modoc Northeast of Alturas 1554.5 Comment
  HSC6567  Arabis sparsiflora var. subvillosa M. T. Milligan 1966-6-19 471 Modoc Plateau W of Jess Valley 1829 Comment
  UC1010416  Arabis subpinnatifida E. K. Balls 1950-5-14 14691 Modoc 0.2 mi s Modoc National Forest south boundary (trail from Alturas to Thomas Reservoir) 1524 Comment
  CAS-BOT-BC95646  Arctostaphylos nevadensis Bruce Bartholomew; Barrett Anderson 1990-7-20 5530 Modoc 3.4 km NW of Tamarack Flat, E side of Warner Mts. 2130 Comment
  CAS-BOT-BC95647  Arctostaphylos nevadensis A. D. Borden 1911-6-15 Modoc S slope Middle Fork Davis Creek. Comment
  CAS-BOT-BC95652  Arctostaphylos patula Louis Cutter Wheeler 1935-9-16 3987 Modoc Everly Reservoir, Devil's Garden. 1524 Comment
  CAS-BOT-BC95655  Arctostaphylos patula Alice Eastwood; John Thomas Howell 1940-6-14 8233 Modoc Near Hackamore. Comment
  POM260875  Arenaria aculeata Alice Eastwood, J. T. Howell 1940-6-12 8106 Modoc West side of Cedar Pass. Comment
  HSC4702  Arnica chamissonis M. T. Milligan 1966-7-3 543 Modoc E of Jess Valley 1982 Comment
  JEPS5916  Arnica chamissonis Frances D. Payne 1933-7-2 Modoc s and e of Alturas; Warner Mountains, Parker Creek Comment
  CAS-BOT-BC15566  Arnica chamissonis subsp. foliosa Annie Montague Alexander; L. Kellogg 1946-7-13 4990 Modoc Cowhead Lake. Comment
  CAS-BOT-BC15421  Arnica cordifolia Clare Butterworth Hardham 1961-6-18 7587 Modoc Cedar Pass. 1828 Comment
  HSC12533  Arnica cordifolia M. S. Baker 1893-1 Modoc Forestdale Comment
  HSC2184  Arnica cordifolia C. L. Hitchcock 1940-5-27 6702 Modoc 15 miles NE of Alturas 1677 Comment
  HSC81146  Arnica cordifolia G. M. Riegel 1980-6-30 775 Modoc S Warner Mtns. 1670 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
  JEPS35917  Arnica cordifolia Frances D. Payne 1929-7-26 113 Modoc 2 mi sw Warren Peak; Warner Mts., Pine Creek Basin, Warren Peak 2133 Comment
  POM260005  Arnica cordifolia C. L. Hitchcock 1940-5-27 6702 Modoc 15 miles NE of Alturas. 1677 Comment
  UCR267415  Arnica cordifolia Jim Andre, Glenn L. Clifton 1993-6-12 29993 Modoc Warner Mountains, Cedar Pass, Hwy 299, Modoc National Forest 1919 Comment
  CAS-BOT-BC15423  Arnica discoidea Bruce Bartholomew; Barrett Anderson 1988-7-21 4443 Modoc Above Upper Rush Creek Campground ca. 4 km E of State Highway 299 between Adin and Canby. 1580 Comment
  JEPS6005  Arnica fulgens Frances D. Payne 1932-6-24 598 Modoc s and e of Alturas; Parker Creek, Warner Mountains 1584 Comment
  HSC81149  Arnica longifolia G. M. Riegel 1980-8-7 1011 Modoc S Warner Mtns. 2100 Comment
  CAS-BOT-BC15294  Arnica nevadensis Robert Patterson; Mona Bourell 1993-8-14 5217 Modoc Patterson Lake. South Warner Wilderness Area. Warner Mountains. 2743 Comment
  CAS-BOT-BC90105  Artemisia arbuscula subsp. arbuscula Frank P. Sipe 1937-8-27 s.n. Modoc Alturas - Susanville Road Comment
  RSA607261  Artemisia cana L. C. Wheeler 1935-8-16 3866 Modoc Warner Mountains: Dismal Swamp, Twenty Mile Creek. 2226 Comment
  UC217088  Artemisia douglasiana H. M. Hall 1921-9-10 11670 Modoc Alturas Comment
  UC748333  Artemisia ludoviciana subsp. candicans Annie M. Alexander and Louise Kellogg 1946-7-6 4912 Modoc 3.5 mi w Eagleville Comment
  CAS-BOT-BC15262  Artemisia ludoviciana subsp. incompta Elmer Ivan Applegate 1932-8-5 8167 Modoc Cedar Mountain. Comment
  CAS-BOT-BC93744  Artemisia ludoviciana subsp. incompta L. S. Smith 1032 Modoc Camp One above Lost Lake 2499 Comment
  UCR143213  Artemisia ludoviciana subsp. ludoviciana L. C. Wheeler 1935-8-14 3849 Modoc Warner Mtns., Lily Lake, Pine Creek 2073 Comment
  CAS-BOT-BC15202  Artemisia spinescens E. S. Willits 1940-6-9 341 Modoc Cedarville. 1371 Comment
  SEINET3397749  Artemisia tridentata subsp. wyomingensis Unknown 1994-1 s.n. Modoc 5 mi. N. of Likely Comment
  CAS-BOT-BC15660  Asclepias fascicularis Bruce Bartholomew 1991-8-4 6010 Modoc Kelly Draw, Round Valley, 2 km E of Hwy 299 on County Road 86. 1310 Comment
  SJSU11064  Asclepias speciosa H. L. Buckalew 1961-6-28 Modoc Fandango Pass Road near Goose Lake, northeastern Modoc County 1706 Comment
  CAS-BOT-BC54174  Asperugo procumbens Herbert Louis Mason; Verne Grant 1947-7-12 13416 Modoc Near S end of W Side Road, Pit River Valley, S of Alturas. Comment
  UC1191653  Asperugo procumbens Herbert L. Mason and Verne Grant 1947-7-12 13416 Modoc s. of Alturas (Pit R. Valley near s. end of w. side of rd.); Pit R. Valley Comment
  CHSC115560  Astragalus Lowell Ahart; John Dittes 2015-7-15 20342 Modoc About 300 yards northeast of the old barn, on the north side of the overgrown road, Ash Creek State Wildlife Area, about 3.9 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  CAS-BOT-BC218214  Astragalus curvicarpus var. curvicarpus E. S. Willits 1940-5-21 285 Modoc Willow Ranch. 1371 Comment
  CHSC99288  Astragalus curvicarpus var. curvicarpus Lowell Ahart; John Dittes 2008-6-20 14976 Modoc Upland on the northeast side of Big Valley, about 5.3 miles (air) northeast of the Headquarters at Ash Creek State Wildlife Area, about 8.3 miles (air) northeast of Bieber. 1287 Comment
  NY803545  Astragalus curvicarpus var. curvicarpus P. H. Raven 1958-6-18 13335 Modoc 8.6 miles west of Alturas on United States Highway 299 Comment
  UC748298  Astragalus curvicarpus var. curvicarpus Annie M. Alexander and Louise Kellogg 1946-6-10 4723 Modoc slope facing Lower Lake (lava bench bet. Lower and Snake Lakes); bet. Lower and Snake Lakes Comment
  UC862720  Astragalus filipes C. L. Hitchcock 1940-5-27 6650 Modoc 9 mi ne Alturas; ne of Alturas 1402 Comment
  UC13366  Astragalus filipes Milo S. Baker 1893-7-3 Modoc top of bare rocky hill Comment
  SBBG3188  Astragalus gibbsii H. and M. Dearing 1939-6-7 3580 Modoc near Alturas Comment
  CDA20479  Astragalus lemmonii V. Popescu 2004-5-27 s.n. Modoc Modoc Plateau; Ash Creek State Wildlife Refuge near Adin. 0 Comment
  CAS-BOT-BC182057  Astragalus lentiginosus var. lentiginosus R. M. Austin 1898-7-1 2210 Modoc Shore, Goose Lake. Comment
  CAS-BOT-BC182056  Astragalus lentiginosus var. platyphyllidius James D. Jokerst 1983-5-31 1803 Modoc Near Signal Butte. 1340 Comment
  NY676225  Astragalus malacus B. M. Bartholomew 1995-5-13 6911 Modoc 4.8 km west of Eagleville, east side of the south end of Surprise Valley 1480 Comment
  CAS-BOT-BC182026  Astragalus purshii M. M. Hanna 1956-6-5 Modoc Cedar Pass. Comment
  UCD105210  Astragalus purshii B. L. Kay 1955-6-17 s.n. Modoc 2 miles northwest of Likely. Comment
  RSA415691  Astragalus purshii var. tinctus Christopher Davidson 1975-6-4 2599 Modoc 0.4 miles E of Hwy 395 on Hwy 299 toward Cedarville. 1380 Comment
  JEPS54809  Astragalus purshii var. tinctus Leland S. Smith 1917-1 773 Modoc West Valley , West Valley (Warner Mts.) 1554 Comment
  SEINET3142989  Astragalus purshii var. tinctus E. K. Balls 1950-5-10 15961 Modoc Hwy 395 5.5 mi NE of Alturas, 0.5 mi before jxn 1524 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
  CAS-BOT-BC200870  Astragalus whitneyi var. confusus Clare B. Hardham 1961-6-18 7578 Modoc Mountains south of Cedar Pass 1981 Comment
  NY696557  Astragalus whitneyi var. confusus B. M. Bartholomew 1990-6-17 5355 Modoc 11.3 km north of Buck Creek Ranger Station, a crest of the Warner Mountains 2130 Comment
  RSA0017010  Astragalus whitneyi var. confusus I. L. Wiggins, Dorothy B. Wiggins 1961-6-12 16381 Modoc Near junction of Cedar Pass road and California State Highway 299, 5.5 miles N. of Alturas. Comment
  CAS-BOT-BC181988  Astragalus whitneyi var. lenophyllus Bruce Bartholomew 1995-8-1 7163 Modoc Bidwell Mtn., E side of the Warner Mountains. 2150 Comment
  CAS-BOT-BC181990  Astragalus whitneyi var. lenophyllus Bruce Bartholomew; Barrett Anderson 1988-6-25 4375 Modoc SW side of Jess Valley, Warner Mts.. 1540 Comment
  CAS-BOT-BC181999  Astragalus whitneyi var. lenophyllus Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16381 Modoc Near junction of Cedar Pass road to Calif. State Highway 299, 5.5 mi. N of Alturas. Comment
  CAS-BOT-BC182001  Astragalus whitneyi var. lenophyllus Elmer Ivan Applegate 1897-6-2 891 Modoc Pit River valley S of Alturas. Comment
  RSA0089889  Astragalus whitneyi var. lenophyllus Dean Wm. Taylor 2012-6-19 21244 b Modoc Mouth of Baggett Gulch (ca 3 air miles S of Canby), Modoc National Forest. 1463 Comment
  CAS-BOT-BC182014  Astragalus whitneyi var. lenophyllus C. C. (Mrs.) Bruce 1898-6-1 2209 Modoc Foothills, Modoc County. Comment
  CAS-BOT-BC30206  Athyrium alpestre var. americanum Gregg M. Riegel 1980-9-3 1128 Modoc South Warner Mountains 2979 Comment
  UC399387  Athyrium filix-femina var. cyclosorum unknown 1900-9-5 Modoc near Forestdale Comment
  UC10228  Athysanus pusillus Milo S. Baker 1893-6-4 Modoc Modoc County, California Modoc County; , California Comment
  CHSC100111  Atriplex truncata L. P. Janeway; B. Castro 2008-8-16 9548 Modoc Modoc Plateau. Surprise Valley; east side of Middle Alkali Lake, south side of Hwy 299 10.5 km east of Cedarville. 1378 Comment
  UCD136022  Azolla filiculoides Herbert L. Mason 1947-8-12 13503 Modoc Junction of North and South forks of Pit River, Alturas. Comment
  UCD149842  Balsamorhiza hirsuta Harry George 1967-6-15 s.n. Modoc Lookout. Comment
  CAS-BOT-BC100052  Balsamorhiza hookeri M. S. Baker; Frank Nutting June 8 s.n. Modoc near Egg Lake Comment
  CAS-BOT-BC218201  Balsamorhiza hookeri Lindsay Stuart Smith; E. H. Steffen 1917-5-27 17 Modoc West Valley camp and Jess Valley. 1554 Comment
  UC30506  Balsamorhiza hookeri M. S. Baker and Frank Nutting 1894-6-8 Modoc lava beds near Egg Lake Comment
  CAS-BOT-BC15189  Balsamorhiza hookeri var. lanata Mrs. H. C. Cantelow 1941-5-23 s.n. Modoc 7.5 mi. W of Adin Pass Summit on U.S. Hwy. 299 Comment
  CAS-BOT-BC15190  Balsamorhiza hookeri var. lanata E. S. Willits 1940-5-4 212 Modoc Willow Ranch. 1371 Comment
  CAS-BOT-BC15194  Balsamorhiza hookeri var. lanata Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-13 16474 Modoc 2.4 mil. S of Village of Davis Creek, SE side of Goose Lake Comment
  CAS-BOT-BC15127  Balsamorhiza sagittata Leland S. Smith 1919-6-2 1106 Modoc Deep Creek Ranger Station, Modoc National Forest 1524 Comment
  UC1119025  Balsamorhiza sagittata R. C. Wilson 1933-6-20 47 Modoc Rush Creek, Canby Canby 1463 Comment
  CAS-BOT-BC15141  Balsamorhiza serrata Bruce Bartholomew 1994-5-15 6695 Modoc Poison Spring Canyon near junction with Schamp Creek. Ca. 8 km E of Fort Bidwell. 1480 Comment
  RSA584726  Balsamorhiza serrata Bruce Bartholomew, Gilbert, Skog 1993-5-10 6469 Modoc 1.6 km NE of Fee Reservoir Road on Barrel Spring Road, N end of Surprise Valley 1600 Comment
  CAS-BOT-BC58626  Barbarea orthoceras Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10575 Modoc Patterson Ranger Station (East Creek drainage). 2164 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
  UC748372  Barbarea orthoceras Annie M. Alexander and Louise Kellogg 1946-6-22 4818 Modoc edge Bidwell Creek; Warner Mountains Comment
  CAS-BOT-BC95512  Bassia hyssopifolia Bruce Bartholomew 1989-8-11 5082 Modoc Sand Creek, Surprise Valley, 5 km W of Nevada border on State Hwy 299. 1400 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
  JEPS119964  Beckmannia syzigachne Lowell Ahart, John Dittes 2012-7-10 18310 Modoc Ash Creek State Wildlife Area, about 3.2 miles (air) west of Adin, about 8.4 miles (air) northeast of Bieber, Big Valley. Comment
  RSA603673  Beckmannia syzigachne L. C. Wheeler 1935-10-5 4019 Modoc N Fork Pit River at Parker Creek. 1372 Comment
  CDA31542  Beckmannia syzigachne G. D. Barbe, John Kelley 1988-7-2 4298 Modoc Modoc National Wildlife Refuge, southeast of Alturas. 0 Comment
  CAS-BOT-BC54187  Berberis aquifolium var. repens Bruce Bartholomew 1991-6-21 5805 Modoc Vicinity of Lily Lake, N end of the Warner Mountains. 2030 Comment
  UC1561006  Bergia texana Dean Wm. Taylor with Glenn L. Clifton 1989-8-6 10487 Modoc Warner Mountains: Bed of Snake Lake. Comment
  UC1192265  Bergia texana Herbert L. Mason 1947-8-8 13462 Modoc Southwest margin of Big Sage Reservior, northwest of Alturas Comment
  CAS-BOT-BC21486  Berula erecta Elmer Ivan Applegate 1932-8-6 8202 Modoc Spring in desert, W side of Middle Lake. Comment
  CAS-BOT-BC21487  Berula erecta Bruce Bartholomew 1991-10-13 6122 Modoc Just N of Surprise Valley Mineral Hot Springs, ca. 8 km W of Cedarville, Surprise Valley. 1320 Comment
  RSA504627  Betula occidentalis Bruce Bartholomew, B. Anderson 1988-6-24 4350 Modoc South Barber Creek, 6.3 km SW of Country Road 1 on Country Road 42, E side of the Warner Mountains. 1790 Comment
  RSA584832  Betula occidentalis Bruce Bartholomew, M. Gilbert, L. Skog 1993-5-10 6468 Modoc Along Emerson Creek below Emerson Campground, E side of Warner Mountains. 1600 Comment
  UCR67029  Bidens cernua George K. Helmkamp 1990-9-23 J- 7 Modoc Warner Mtns, Goose Lake, within 0.1 mi of the Oregon border 1476 Comment
  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
  RSA608435  Bidens cernua L. C. Wheeler 1935-9-5 3956 Modoc Tuttle Place, west side Goose Lake 1463 Comment
  CAS-BOT-BC15148  Bidens cernua var. cernua Robert Folger Thorne; J. Henrickson; C. W. Tilforth 1969-9-4 39117 Modoc N Fork of Pit River 3.4 mi. N of Alturas where crossed by Hwy 395. 1341 Comment
  SJSU9678  Bidens cernua var. cernua W. Savage 1979-8-22 1580 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  HSC5199  Bidens frondosa R. C. Wunner 1965-9-1 504 Modoc Lava Beds National Monument, near NE entrance to monument by shore of Tule Lake Comment
  CAS-BOT-BC15089  Blepharipappus scaber Alice Eastwood; John Thomas Howell 1940-6-12 8067 Modoc Between Likely and Jess Valley. Comment
  JEPS114489  Blepharipappus scaber Lowell Ahart, John Dittes 2008-8-25 15295 Modoc On the west side of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout 1273 Comment
  POM260466  Blepharipappus scaber C. L. Hitchcock 1940-5-27 6670 Modoc 15 miles northeast of Alturas. 1616 Comment
  CAS-BOT-BC15090  Blepharipappus scaber Amos Arthur Heller 1941-6-26 16219 Modoc Three mi. W of Canby along U.S. Highway 399 Comment
  CAS-BOT-BC15102  Blepharipappus scaber Gordon H. True 1964-6-3 1438 Modoc N Fork Pit River between Altura and Goose Lake. 1432 Comment
  JEPS6015  Blepharipappus scaber Frances D. Payne 1932-6-22 579 Modoc s and e of Alturas (Parker Creek, Warner Mountains); Warner Mountains, Parker Creek 1584 Comment
  RSA185384  Blepharipappus scaber Clare B. Hardham 1961-6-18 6546 Modoc 3 miles SE of Cedar Pass. 1829 Comment
  RSA302206  Blepharipappus scaber J. R. Shevock 1972-5-19 1799 Modoc Highway 299, west of Conby. 1524 Comment
  SEINET11261377  Blepharipappus scaber David D. Keck, J. Clausen 1935-6-23 3711 Modoc 3 mi northeast of Willow Ranch, east of Goose Lake.; 0 1554 Comment
  UC748334  Blepharipappus scaber Annie M. Alexander and Louise Kellogg 1946-6-10 4709 Modoc slope n Snake Lake Comment
  CAS-BOT-BC16828  Boechera B. Bartholomew; B. Anderson 1988-6-25 4383 Modoc 5.2 km west of Jess Valley on the road to Likely. 1450 Comment
  JEPS90233  Boechera lemmonii Dean Wm. Taylor with Glenn L. Clifton 1989-8-5 10440 Modoc Warner Mountains, e face of Emerson Peak, Emerson Creek drainage Emerson Peak; Warner Mountains, Emerson Peak 2560 Comment
  UC748071  Boechera lemmonii Annie M. Alexander and Louise Kellogg 1946-7-30 5095 Modoc e slope below summit Eagle Peak; Warner Mountains Comment
  CAS-BOT-BC58659  Boechera lyallii Leland S. Smith 1917-7-2 68 Modoc Warren Mt. 2590 Comment
  JEPS53167  Boechera pauciflora Frances D. Payne 1931-6-21 217 A Modoc s and e of Alturas (ridge sw of Dry Creek, tributary of Parker Creek); Warner Mountains, Parker Creek 1981 Comment
  UCD150423  Boechera puberula Harry A. George 1967-6-15 s.n. Modoc S. of Adin. Comment
  CAS-BOT-BC25529  Boechera retrofracta John Thomas Howell 1934-6-12 11994 Modoc 6 miles south of Davis Creek. Comment
  CAS-BOT-BC58292  Boechera retrofracta Betty J. Hammerly 1941-6-20 40 Modoc Between Mill Creek Public Camp and Clear Lake. Comment
  UC117909  Boechera retrofracta unknown Jun 1894 209 Modoc Willow Creek Valley Comment
  CAS-BOT-BC25702  Boechera sparsiflora John Thomas Howell 1934-6-14 12138 Modoc Warner Mountains. Near Lost Lake. 2438 Comment
  CAS-BOT-BC95739  Boechera sparsiflora Bruce Bartholomew 1994-5-15 6694 Modoc Adjacent to Fee Reservoir. Ca. 10 km E of Fort Bidwell. 1590 Comment
  UC748377  Boechera sparsiflora Annie M. Alexander and Louise Kellogg 1946-6-30 4880 Modoc n end Warner Mountains (w side of ridge, Highgrade); , Highgrade 2377 Comment
  UC10097  Boechera sparsiflora Milo S. Baker 1893-6 Modoc Comment
  JEPS53055  Boechera subpinnatifida Frances D. Payne 1932-6-10 624 Modoc s and e of Alturas; Warner Mountains, Parker Creek 1584 Comment
  CAS-BOT-BC248364  Boechera suffrutescens B. Bartholomew; H. Sun 2002-6-24 8847 Modoc E of Bald Mt., on the E side of the Warner Mountains 2170 Comment
  POM254492  Boisduvalia macrantha Alice Eastwood, John Thomas Howell 1940-6-13 8126 Modoc Near 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
  UC2116  Bolboschoenus fluviatilis Milo S. Baker 1893-7-2 Modoc Egg Lake Comment
  SEINET5340923  Brassica napus M. J. Williams, T. Holcomb; B. Holcomb; L. Saxton 1988-5-28 88- 21 -1 Modoc Crowder Flat road, west of Alturas. Road leads to Devil's Garden and Big Sage Reservoir and is near Hwy 299. Comment
  JEPS120504  Brickellia grandiflora B. Castro and L. P. Janeway 2012-7-24 1948 Modoc Warner Mountains. Along Forest Road / county Road 2 (the road from New Pine Creek to Fort Bidewell) 0.6 air mi west of Lily Lake and 0.9 air mi northwest of Yellow Mountain. Comment
  RSA608268  Brickellia grandiflora L. C. Wheeler 1935-8-14 3847 Modoc Lily Lake, Pine Creek, Warner Mountains. 2073 Comment
  CHSC115568  Brodiaea coronaria Lowell Ahart; John Dittes 2015-7-15 20340 Modoc About 400 yards northeast of the old barn, on the north side of the overgrown road, Ash Creek State Wildlife Area, about 3.9 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1269 Comment
  CAS-BOT-BC244942  Brodiaea coronaria subsp. coronaria Alice Eastwood; John Thomas Howell 1940-6-14 8232 Modoc 8 mi. NW of Canby. Comment
  CAS-BOT-BC242450  Bromus briziformis E. S. Willits 1940-5-16 246 Modoc Davis Creek. Comment
  HSC80915  Bromus briziformis G. M. Riegel 1980-6-30 789 Modoc S Warner Mtns. 1739 Comment
  JEPS73957  Bromus briziformis Frances D. Payne 1932-7-3 591 Modoc s and e of Alturas (Warner Mountains, Parker Creek); Warner Mountains, Parker Creek 1584 Comment
  POM260302  Bromus briziformis C. L. Hitchcock 1940-5-27 6659 Modoc 9 miles northeast of Alturas. 1402 Comment
  SJSU9580  Bromus briziformis W. Savage 1979-7-4 1340 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  SEINET4345020  Bromus briziformis M. J. Williams 1969-6-14 s.n. Modoc Jess Valley. 1524 Comment
  CAS-BOT-BC242435  Bromus carinatus var. carinatus John H. Hatton 1911-6-10 27 Modoc unspecified Comment
  UCD59141  Bromus carinatus var. marginatus Beecher Crampton; Carl Rimbey 1954-7-7 2130 Modoc West side of Cedar pass, Warner Mountains. 1889 Comment
  UCD59152  Bromus carinatus var. marginatus A. A. Beetle 1944-8-15 3032 Modoc N of Lookout Meadow near Happy Camp Ranger Station. Comment
  UC1025050  Bromus commutatus Leo Whitney 1935-8-3 3597 Modoc Buck Creek Comment
  CAS-BOT-BC242468  Bromus hordeaceus Bruce Bartholomew; Barrett Anderson 1988-6-23 4220 A Modoc 2.1 km SSE of Day on the road to State Highway 299. 1020 Comment
  CAS-BOT-BC242473  Bromus hordeaceus Bruce Bartholomew 1990-6-17 5321 Modoc E side of Surprise Valley, 9.6 km E of Eagleville at the Nevada border. 1580 Comment
  UC149681  Bromus hordeaceus H. M. Hall and E. B. Babcock June 1903 4246 Modoc Sierra Nevada Mountain, south-western Modoc County Sierra Nevada Mountain 1219 Comment
  UCD58626  Bromus hordeaceus Annie M. Alexander; Louise Kellogg 1946-6-18 4792 Modoc Patterson Mill--Silver Creek roads. 1828 Comment
  CAS-BOT-BC242462  Bromus japonicus Bruce Bartholomew; Barrett Anderson 1988-6-23 4219 Modoc 2.1 km SSE of Day on the road to State Highway 299. 1020 Comment
  CAS-BOT-BC242463  Bromus japonicus Bruce Bartholomew; B. Anderson 1989-6-1 4754 Modoc ca. 0.5 km W of Davis Creek on road to S end of Goose Lake 1460 Comment
  UC1024999  Bromus japonicus Leo Whitney 1935-7-7 3384 Modoc 4 mi nw of Canby (Howard Gulch); Howard Gulch Comment
  UC1025047  Bromus japonicus Leo Whitney 1935-8-10 3612 Modoc Pit River, Alturas Alturas; Pit River, Alturas Comment
  SEINET231888 Image available Bromus racemosus Unknown 1985-6-23 8599 Modoc Modoc Plateau at the western extension of the Great Basin, between Beeler and Duncan reservoirs north of Canby, near highway 139 1311 Comment
  CAS-BOT-BC242459  Bromus suksdorfii Leland S. Smith 1922-7-20 1277 Modoc Rush Creek Ranger Station. 1905 Comment
  CHSC85143  Bromus tectorum John Dittes; Josephine Guardino 1991-6-1 364 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; at southern edge of Ash Creek Floodplain. 1271 Comment
  HSC9400  Calamagrostis canadensis var. langsdorffii M. T. Milligan 1967-7-9 671 Modoc E of Jess Valley 1768 Comment
  HSC9401  Calamagrostis canadensis var. langsdorffii M. T. Milligan 1966-7-5 559 Modoc Slopes and ridges E of Jess Valley 1768 Comment
  UC7736  Calandrinia ciliata Milo S. Baker 1893-7-1 Modoc shore Egg Lake 1371 Comment
  UC7748  Calandrinia ciliata Milo S. Baker 1893-7-1 Modoc shore of lake Egg Lake 1371 Comment
  UCD123496  Callitriche fassettii Verne Grant; Irving Schneider 1947-7-18 8055 Modoc 1.4 miles north of Bayley's bridge, south of Alturas. Comment
  NY465090  Callitriche palustris G. Schoolcraft 1990-7-11 2106 Modoc About 2 miles west of West Valley Reservoir 1493.5 Comment
  RSA210846  Callitriche verna R. F. Thorne, C. W. Tilforth 1969-9-4 39060 Modoc 2 mi W of Davis Creek (town), S. of Goose Lake 1433 Comment
  UC1101517  Callitriche verna Herbert L. Mason and Verne Grant 1947-7-12 13383 Modoc several mi s Alturas (by Jones' Lane, off Highway 395) Comment
  CAS-BOT-BC30158  Calocedrus decurrens Belknap C. Goldsmith 1910-8-1 18 Modoc Near Fandango Creek, W slope Warner Mts. 1630 Comment
  SEINET3863159 Image available Calocedrus decurrens Richard R. Halse 2006-8-4 6999 Modoc Along Highgrade Roade ca 4.4 mi N. of Fort Bidwell, north end of the Warner Mountains, east slope.; 0 1765 Comment
  CAS-BOT-BC244936  Calochortus leichtlinii Fred. P. Cronemiller 1920-8-13 22 Modoc Mill Creek Meadow. 2438 Comment
  CAS-BOT-BC244937  Calochortus leichtlinii Barrett Anderson 1986-7-10 3205 Modoc West Warner Rd just S of the N Fork of Fitzhugh Creek. 1980 Comment
  CAS-BOT-BC242140  Calochortus macrocarpus Amos Arthur Heller 1940-6-29 15747 Modoc Hwy 299, 8 mi. W of Alturas. Comment
  CAS-BOT-BC242149  Calochortus macrocarpus Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10517 Modoc Patterson Ranger Stateon (East Creek drainage). 2164 Comment
  SDSU11924  Calochortus macrocarpus D. F. Howe 1964-7-31 3905 Modoc Modoc Ntional Forest 8.5 miles from entrance on road from Likely, Warner Mts. 1554 Comment
  JEPS60535  Caltha leptosepala Leland S. Smith 1918-6-23 956 Modoc High Grade District Mineral Spring (Mineral Spring); Modoc National Forest, Mineral Spring 2377 Comment
  UC9030  Caltha leptosepala Mrs. C. C. Bruce July 1898 2306 Modoc Warner Mts. Comment
  CAS-BOT-BC197450  Calyptridium umbellatum M. M. Hanna 1956-6-3 s.n. Modoc Highway 299. Comment
  CAS-BOT-BC197579  Calyptridium umbellatum Elmer Ivan Applegate 1932-8-3 8128 Modoc Arid summit of Eagle Peak, Warner Mts. Comment
  UC7759  Calyptridium umbellatum Mrs. R. M. Austin and Bruce June 1898 2225 Modoc Goose Lake Valley Comment
  UCR34758  Calyptridium umbellatum J. A. Harpel 1981-8-6 V- 35 Modoc Warner Mtns, South Warner Wilderness Area: E end of Patterson Lake, 7 mi NW of Eagleville 2744 Comment
  UC71724  Calystegia occidentalis subsp. occidentalis Mrs. M. H. Manning July, 1903 40 Modoc near Fort Bidwell (mountains, north-eastern Modoc County); near Fort Bidwell Comment
  UC196137  Calystegia occidentalis subsp. occidentalis Milo S. Baker 1893-7-20 Modoc Lava beds Comment
  SEINET8471949  Camassia quamash E. K. Balls 1950-5-15 14697 Modoc 15.8 miles NW Canby, Hwy 139 by turn to Hackamore.. 1402 Comment
  RSA59524  Camassia quamash subsp. breviflora E. K. Balls 1950-5-21 14816 Modoc Around South Fork Public Camp, South Fork Pit River, Likely to Jess Valley 1433 Comment
  RSA59816  Camassia quamash subsp. breviflora E. K. Balls 1950-5-15 14697 Modoc 15.8 miles northwest of Canby, Highway 139, by to to Hackamore 1402 Comment
  CAS-BOT-BC191126  Camissonia andina H. Rickabaugh; R. Hass 1980-6-12 Modoc Vernal pool area, Devil's Garden, near Alturas Airport. Comment
  CAS-BOT-BC191127  Camissonia andina Alice Eastwood; John Thomas Howell 1940-6-13 8118 Modoc Surprise. Comment
  CAS-BOT-BC191134  Camissonia andina Bruce Bartholomew 1990-6-18 5378 Modoc Crowder Flat Rd, 0.3 km N of turn off to Big Sage Reservoir. 1480 Comment
  HSC16483  Camissonia subacaulis M. T. Milligan 1965-7-10 421 Modoc W slope of Eagle Peak. 2439 Comment
  RSA600332  Camissonia subacaulis Louis C. Wheeler 1935-8-1 3731 Modoc Warner Mountains: Dismal Swamp, Twenty Mile Creek. 2226 Comment
  NY852076  Camissonia tanacetifolia B. M. Bartholomew 1988-5-13 4176 Modoc West side of Jess Valley on West Warner Road, west side of the Warner Mountains 1600 Comment
  CAS-BOT-BC191079  Camissonia tanacetifolia subsp. tanacetifolia Barrett Anderson 1986-7-9 3147 Modoc Crowder Flat Rd, 3.2 km off Hwy 299. 1510 Comment
  CAS-BOT-BC191095  Camissonia tanacetifolia subsp. tanacetifolia Annie Montague Alexander; L. Kellogg 1946-6-10 4710 Modoc Snake Lake. Comment
  RSA113690  Camissonia tanacetifolia subsp. tanacetifolia H. K. Sharsmith 1955-6-26 4508 -B Modoc Adjacent to Hwy 39, ca 20 miles N of Canby. Modoc National Forest. 1524 Comment
  HSC6657  Cardamine breweri M. T. Milligan 1964-7-25 177 Modoc Pine Creek Basin, along trail. 2439 Comment
  NY119872  Cardamine breweri L. C. Wheeler 1935-8-15 3864 Modoc Dismal Swamp, Twenty Mile Creek 2225.0 Comment
  UC711893  Cardamine breweri Roxana S. Ferris and Laura Lorraine 1941-8-13 10527 Modoc Patterson Ranger Station Modoc National Forest, Warner Mts, East Creek drainage (East Creek drainage, Warner Mountains) 2164 Comment
  SEINET5341098  Cardaria draba M. J. Williams 1984-6-30 84- 81 -6 Modoc 9.6 miles from Gerlach-Cedarville road on the Parker Creek road. West side of the Warner Mtns, south of Cedar Pass 1829 Comment
  POM313077  Carex angustata Verne Grant, Irving Schneider 1947-8-29 8352 Modoc Pit River, at bridge by Coal Stone Valley. Comment
  CAS-BOT-BC245137  Carex aurea Roxana Stinchfield Ferris; R. Duthie 1919-6-15 164 Modoc Along Parker Creek below Modoc National Forest Boundary. Comment
  UCD32686  Carex aurea Beecher Crampton 1954-7-6 2099 Modoc Modoc County, Road 56, following Shields Creek into Warner Mountains, 22 miles east of Alturas. 1676 Comment
  CAS-BOT-BC245187  Carex douglasii E. H. Steffen 1917-6-9 31 Modoc Jess Valley. 1524 Comment
  POM81337  Carex hassei Mrs. R. M. Austin 1895-07 491 Modoc Goose Lake Valley. Comment
  CAS-BOT-BC245186  Carex hoodii Bruce Bartholomew; Barrett Anderson 1988-6-24 4359 Modoc Vicinity of Patterson Campground, southern end of the Warner Mts.. 2190 Comment
  JEPS100192  Carex hoodii Dean Wm. Taylor with Glenn L. Clifton 1989-8-5 10446 Modoc Warner Mountains, Emerson Creek drainage; cirque headwall above South Emerson Lake 2560 Comment
  CAS-BOT-BC31936  Carex microptera Roxana S. Ferris; Rena P. Duthie 1919-6-15 161 Modoc Marsh, Parker Creek. Warner Mts. Comment
  HSC75585  Carex microptera G. M. Riegel 1979-8-23 698 Modoc S Warner Mtns. 2100 Comment
  HSC48007  Carex multicaulis D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19506 Modoc Big Valley Summit, 6 mi. W of Adin on Hwy. 299 Comment
  SEINET8055413 Image available Carex nebrascensis H. L. Mason, V. Grant 1947-7-12 13435 Modoc Corporation Ranch Headquarters, N of Likely Comment
  SJSU9665  Carex nebrascensis W. Savage 1979-7-9 1510 Modoc border of pond by ranch house, Round Valley, Triangle, Devils Garden District, Modoc National Forest 1493 Comment
  UC1100494  Carex nebrascensis Herbert L. Mason, Verne Grant 1947-8-8 13457 Modoc n Big Sage Reservoir (nw of Alturas); Ingalls Swamp Comment
  JEPS63608  Carex pachystachya Frances D. Payne 1932-7-21 725 Modoc Patterson Lake Warner Mountains, Mt. Warren, Patterson Lake Comment
  RSA180150  Carex petasata Clare B. Hardham 1961-6-17 7808 Modoc North Fork of the Pitt River, 3.3 miles S of junction of 395 and 8A Comment
  CAS-BOT-BC245154  Carex praegracilis Alice Eastwood; John Thomas Howell 1940-6-12 8035 Modoc Likely. Comment
  UC1024325  Carex raynoldsii Annie M. Alexander and Louise Kellogg 1946-6-30 4884 Modoc Highgrade, w side of ridge n end of Warner Mountains 2377 Comment
  UC1736038  Carex raynoldsii Dean W. Taylor 1989-8-5 10469 Modoc North Emerson Lake; Warner Mountains Comment
  JEPS114870  Carex sheldonii Lowell Ahart, John Dittes 2008-8-25 15292 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
  SJSU9611  Carex simulata W. Savage 1979-7-6 1388 .5 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  RSA233773  Carex subfusca Robert F. Thorne, C. W. Tilforth 1969-9-5 39145 Modoc Margin of small slough along South Fork of Pit River above jct. with West Creek at Public Campground, ca. 6 miles E of Likely. 1402 Comment
  RSA252447  Carex subfusca Robert F. Thorne, C. W. Tilforth 1969-9-5 39155 Modoc Wet mud at margin of Clear Lake. Warner Mountains, Modoc National Forest. 1768 Comment
  CAS-BOT-BC245143  Carex utriculata A. Cronquist; N. Holmgren 1959-6-19 8513 Modoc Shore of Clear Lake, Warner Mts. 1828 Comment
  RSA252450  Carex utriculata Robert F. Thorne, C. W. Tilforth 1969-9-5 39186 Modoc Pine Creek where it is crossed by Highway 395, 3.4 miles S of Alturas. 1341 Comment
  UC1024855  Carex whitneyi Leo Whitney 1935-6-6 3188 Modoc ca. 2 mi n Hole-in-the-rock (ca. 18 mi wnw of Canby) Comment
  CAS-BOT-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
  CAS-BOT-BC180131  Castanopsis sempervirens Bruce Bartholomew 1989-7-15 4984 Modoc 7 km from State Hwy 299 on road to Manzanita Mountain. 1830 Comment
  UC444861  Castilleja angustifolia Mrs. M. H. Manning May 1907 719 Modoc e side Warner Range Comment
  SJSU9703  Castilleja applegatei W. Savage 1979-7-10 1530 Modoc Oregon Rim Unit, Devils Garden District, Modoc National Forest 1645 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-BC229816  Castilleja applegatei subsp. pinetorum K. Paulson; Robert Paulson 1988-6-29 57 Modoc Joseph Creek Basin, Warner Mts.. 1524 Comment
  CAS-BOT-BC229824  Castilleja applegatei subsp. pinetorum John Thomas Howell 1934-6-11 11914 Modoc Parker Creek, Warner Mountains 1584 Comment
  CAS-BOT-BC248340  Castilleja applegatei subsp. pinetorum B. Bartholomew; H. Sun 2002-6-24 8807 Modoc Ridge top just S of Manzanita Mt. and 15.3 straight line km NW of Aden 2070 Comment
  RSA518976  Castilleja applegatei subsp. pinetorum L. R. Heckard, Peter Rubtzoff 1971-8-3 2706 Modoc Near summit of Cedarville Pass, Warner Mts. 1982 Comment
  UC103495  Castilleja applegatei subsp. pinetorum Mrs. R. M. Austin Jun 1894 278 Modoc hills near Willow Creek Comment
  UC1226031  Castilleja applegatei subsp. pinetorum Arthur Cronquist and Arthur H. Holmgren 1959-7-20 8517 Modoc 11 mi ne Alturas (benchland w of Warner Mts) 1554 Comment
  UC199394  Castilleja applegatei subsp. pinetorum Franklin P. Nutting Modoc near Egg Lake Comment
  UC26538  Castilleja applegatei subsp. pinetorum Milo S. Baker 1893-6 Modoc Comment
  UC726976  Castilleja applegatei subsp. pinetorum A. A. Heller 1941-6-26 16227 Modoc Adin Pass 1577 Comment
  UC199357  Castilleja arachnoidea Milo S. Baker Modoc near Egg Lake Comment
  UC748159  Castilleja arachnoidea Annie M. Alexander and Louise Kellogg 1946-7-30 5099 Modoc e slope near summit Eagle Peak; Warner Mountains Comment
  CAS-BOT-BC226020  Castilleja lacera E. S. Willits 1940-5-20 276 Modoc Willow Ranch. Comment
  CAS-BOT-BC226035  Castilleja lacera Mrs. H. C. Cantelow 1941-5-23 s.n. Modoc 7.5 mi W of Adin Pass Summit on Hwy 299. Comment
  CDA13456  Castilleja lacera G. F. Hrusa, T. D. Wilfred 1996-7-21 13303 Modoc Modoc Plateau; Adjacent to Modoc Co. Rd. 90 bridge over Pit River. E base of Splawn Mtn. N end of Big Valley. Comment
  HSC20867  Castilleja lacera M. T. Milligan 1964-7-1 120 Modoc W end of Ballard's Reservoir, along shore. 1372 Comment
  JEPS3990  Castilleja lacera Frances D. Payne 1932-6-6 417 Modoc s and e of Alturas; Warner Mountains, Parker Creek 1584 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
  UC1023723  Castilleja lacera Francis W. Pennell Jun 7 1940-Jun 8 1940 25732 Modoc ne of Adin (along Rush Creek); Rush Creek 1432 Comment
  JEPS8719  Castilleja linariifolia W. L. Jepson 1918-8-7 7867 Modoc Mt. Bidwell 2286 Comment
  RSA104155  Castilleja linariifolia Elmer I. Applegate 1929-7-28 6082 Modoc North of Clear Lake. Comment
  RSA31872  Castilleja linariifolia A. A. Heller 1940-6-29 15746 Modoc On U.S. Highway 299, about 5 miles west of Alturas. 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
  RSA46754  Castilleja payneae J. T. Howell 1934-6-14 12110 Modoc Near Lost Lake, Warner Mts. 2439 Comment
  CAS-BOT-BC226050  Castilleja pilosa Bruce Bartholomew; Barrett Anderson 1989-6-2 4786 Modoc Long Canyon, 12 km NE of Fort Bidwell on the road to the Oregon border. 1550 Comment
  CAS-BOT-BC226059  Castilleja pilosa R. M. Austin 1894-7-1 s.n. Modoc Goose Lake Valley. Comment
  CAS-BOT-BC226062  Castilleja pilosa Bruce Bartholomew 1993-6-14 6661 Modoc 8.7 km E of County Road 114 on County Road 108, NW of Clear Lake Reservoir. 1450 Comment
  CAS-BOT-BC226063  Castilleja pilosa Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-13 6537 Modoc Just W of Mud Lake on road to West Valley Reservoir. 1460 Comment
  JEPS17638  Castilleja pilosa Rimo Bacigalupi with G. Thomas Robbins 1955-7-20 5393 Modoc 3.3 mi e Patterson Ranger Station (flat at summit of forest road across s end of Warner Mountains); Warner Mountains, Modoc National Forest 2225 Comment
  UCR137165  Castilleja pilosa Christopher Davidson 1973-5-26 2125 Modoc c. 4 mi west of Canby on Hwy 299 1341 Comment
  UC190604  Castilleja pilosa M. F. Gilman 561 Modoc 1981 Comment
  CAS-BOT-BC226068  Castilleja tenuis Annie Montague Alexander; L. Kellogg 1946-7-7 4929 Modoc Eight Mile Creek, northeast corner of county 1752 Comment
  CAS-BOT-BC226072  Castilleja tenuis Elmer Ivan Applegate 1929-6-24 5894 Modoc Between Alturas and Davis Creek. Comment
  CAS-BOT-BC226073  Castilleja tenuis Annie Montague Alexander; L. Kellogg 1946-6-14 4769 Modoc Below lava slope, Silver Creek branch of Patterson Mill road. 1828 Comment
  CAS-BOT-BC226078  Castilleja tenuis Clare Butterworth Hardham 1961-6-18 7804 Modoc Lava Flows, N Fork Pit River, 3.3 mi SW of Cedar Pass. 1371 Comment
  CHSC117495  Castilleja tenuis Lowell Ahart; John Dittes 2016-7-14 21181 Modoc West side of a new pond, south of Ash Creek Canal (now filled in), south of Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. 1273 Comment
  JEPS120511  Castilleja tenuis L. P. Janeway, B. Castro 2012-7-25 10984 Modoc Warner Mountains. Comment
  SEINET14173654  Castilleja tenuis M. J. Williams 1984-1 84- 78 -1 Modoc E side of the Warner Mountains, 3 miles W of the Cedarville-Gerlach road, near the Granger Canyon road. 2073 Comment
  CAS-BOT-BC58435  Caulanthus crassicaulis Bruce Bartholomew 1995-6-2 6940 Modoc About 9 km E of Eagle on SE side of Surprise Valley. 1460 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-BC217139  Ceanothus cuneatus var. cuneatus Bruce Bartholomew; Mona Bourell 1990-4-26 5156 Modoc 0.5 km S of Day. 1100 Comment
  CAS-BOT-BC217110  Ceanothus prostratus John H. Hatton 1911-6-13 71 Modoc Rush Creek. 1524 Comment
  HSC18324  Ceanothus prostratus M. T. Milligan 1964-6-25 91 Modoc Upper Lassen Creek 1829 Comment
  RSA488025  Ceanothus prostratus Bruce Bartholomew, B. Anderson 1988-5-12 4091 Modoc 13 km NNE of Adin on State Highway 229 at turnoff to Higgins Flat on USFS road 41N11. 1440 Comment
  RSA785570  Ceanothus prostratus Doris Bowers 1972-9-2 1896 Modoc Upper Camp, Rush Creek, N/o Adin 1220 Comment
  UC2043249  Centaurea cyanus Barbara Ertter 1995-7-1 14460 Modoc Highway 395 south of New Pine Creek on Oregon border, at junction of County Road 44. Comment
  CDA7215  Centaurea diffusa Loring White 1959-8-19 Modoc West of Canby. 0 Comment
  UCD130120  Centaurea virgata subsp. squarrosa T. C. Fuller 1962-8-29 9487 Modoc road to Adin, 0.2 mile east of Lookout, Big Valley. Comment
  SEINET7073594  Centaurium davyi A. G. Vestal 1955-5-18 s.n. Modoc Modoc lava on Route 139. Modoc National Forest. UTM Zone 10, 646374mE, 4627855mN. Coordinate datum: NAD27. Comment
  JEPS117502  Centaurium exaltatum Lowell Ahart, John Dittes 2010-8-31 17125 Modoc Edge of a pond, about 400 yards west of Elkins Lane and the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley 1267 Comment
  HSC4113  Cerastium fontanum subsp. vulgare M. T. Milligan 1965-6-23 288 Modoc N end Jess Valley 1616 Comment
  UC956843  Ceratophyllum demersum Herbert L. Mason and Verne Grant 1947-7-12 13386 Modoc irrigation ditch by Jones' Lane off Highway 395 several mi s Alturas Comment
  UC956844  Ceratophyllum demersum Verne Grant and Irving Schneider 1947-7-20 8097 Modoc North Fork of Pit River by Dorris Bridge (Alturas); North Fork of Pit River Comment
  JEPS13215  Cercocarpus betuloides var. macrourus Milo S. Baker 1893-6 Modoc Forestdale Comment
  JEPS45550  Cercocarpus betuloides var. macrourus Milo S. Baker 1893-7-23 Modoc Forestdale Comment
  UC415484  Cercocarpus betuloides var. macrourus Milo S. Baker 1893-6 Modoc Modoc Co. Comment
  SEINET10543173  Cercocarpus ledifolius LeRoy E. Detling 1948-5-23 Detling 6247 Modoc Plum ridge, near canby, t43n,r7e,sec.8, mdm. Yellow pine forest. Pinus Ponderosa, p. Jeffreyi, juniperus occidentalis, arctostaphylos patula. Level Plateau, rocky red clay-loam 1524 Comment
  NY848748  Cercocarpus ledifolius var. intermontanus R. J. Weatherby 1955-7-8 1632 Modoc 5 miles north of Ft. Bidwell, northern Warner Mountains 1646 Comment
  NY848751  Cercocarpus ledifolius var. intermontanus H. C. Stutz 1992-7-28 95664 Modoc 1 mile west of Cedarville 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-BC197531  Cercocarpus ledifolius var. ledifolius Bruce Bartholomew; Mona Bourell 1990-4-27 5170 Modoc NW side of Rice Flat, ca. 2 km S of Adin Pass. 1540 Comment
  CAS-BOT-BC214640  Cercocarpus ledifolius var. ledifolius Robert Folger Thorne; C. W. Tilforth 1969-9-5 39151 Modoc Near Mill Creek Falls, Warner Mts., Modoc National Forest 1752 Comment
  JEPS44707  Cercocarpus ledifolius var. ledifolius Frances D. Payne 1931-6-17 160 Modoc s and e of Alturas (Parker Creek); Warner Mountains, Parker Creek 1584 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
  UC859417  Cercocarpus ledifolius var. ledifolius Lewis S. Rose 1940-6-13 40553 Modoc Fandango Pass 1905 Comment
  NY418595  Cercocarpus macrourus M. S. Baker 1893-6-20 s.n. Modoc Rocky hillside. Comment
  CAS-BOT-BC15059  Chaenactis douglasii var. douglasii Annie Montague Alexander; L. Kellogg 1946-6-10 4722 Modoc Lava bench between Lower and Snake lakes. Comment
  CAS-BOT-BC15065  Chaenactis douglasii var. douglasii M. M. Hanna; G. D. Hanna 1956-6-5 s.n. Modoc Cedar Pass. Comment
  CHSC112123  Chaenactis douglasii var. douglasii L. P. Janeway; B. Castro 2014-6-2 11311 Modoc Great Basic. Along County Road 1, 1.0 km north of the road to the southwest corner of Cow Head Lake (County Road 5), on the east side of Long Canyon, low in the canyon. 1566 Comment
  UC90115  Chaenactis douglasii var. douglasii Mrs. R. M. Austin 1894-8-1 200 Modoc Goose Lake Valley Comment
  HSC5249  Chaenactis douglasii var. douglasii M. T. Milligan 1966-6-19 473 Modoc Plateau W of Jess Valley 1829 Comment
  RSA504622  Chaenactis douglasii var. douglasii Bruce Bartholomew, B. Anderson 1988-6-25 4377 Modoc SW side of Jess Valley, Warner Mountains. 1540 Comment
  CAS-BOT-BC15026  Chaenactis macrantha Bruce Bartholomew 1995-6-2 6937 Modoc 6.4 km E of Eagleville, S end of Surprize Valley. 1380 Comment
  CAS-BOT-BC245422  Chamaesaracha nana Annie Montague Alexander; L. Kellogg 1946-7-24 5065 Modoc Bear Camp Flat, along trail to Emerson Camp. Warner Mountains. Comment
  CAS-BOT-BC245423  Chamaesaracha nana Elmer Ivan Applegate 1897-5-30 862 Modoc Timbered Mountain, S of Dry Lake. Comment
  SJSU5770  Chamaesaracha nana H. L. Buckalew 1961-6-26 Modoc Deep Creek Canyon, Warner Mts 1615 Comment
  HSC80796  Chamaesaracha nana G. M. Riegel 1980-7-3 823 Modoc S Warner Mtns. 2100 Comment
  JEPS15471  Chamaesaracha nana Joseph and Hilda W. Grinnell 1938-6-16 1107 a Modoc 100 ft below Cedar Pass summit; Warner Mountains 1935 Comment
  JEPS5988  Chamaesaracha nana Frances D. Payne 1931-6-25 271 Modoc 2 mi sw Warren Peak (Middle Fork of Pine Creek); Warner Mts., Pine Creek Basin 2133 Comment
  RSA210820  Chamaesyce serpillifolia R. F. Thorne, J. Henrickson, C. W. Tilforth, K. Thorne 1969-9-4 39082 Modoc E. shore of Goose Lake at Willow Ranch. 1433 Comment
  CHSC112835  Chenopodium album Lowell Ahart; John Dittes 2013-7-24 18933 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
  CHSC115522  Chenopodium album Lowell Ahart; John Dittes 2015-7-16 20360 Modoc North edge of Ash Creek (destroyed), southeast of the gravel pit (destroyed), about 1/8 mile east of parking are on east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  HSC65543  Chenopodium album Thomas Wood 1979-8-8 206 Modoc 1 mi. S of Ft. Bidwell along Hwy. 1, corner house where road turns W 1372 Comment
  SEINET11452149  Chenopodium album D. A. Charlet, C. Petty 1988-8-12 166 Modoc Warner Mountains, 300 m south of Warren Peak; subalpine, S aspect, steep talus; T41N R15E S22; 2745 Comment
  UC1191343  Chenopodium glaucum Herbert L. Mason 1947-8-15 13554 Modoc Crane Creek Goose Lake, Willow Ranch (mouth, e side of lake) Comment
  SFV7751  Chenopodium leptophyllum T. Gordon, K. Kimbrough 1975-8-15 1217 Modoc Just east of the entrance to Lava Beds National Monument. 1280 Comment
  POM228960  Chenopodium salinum L. C. Wheeler 1935-8-18 3892 Modoc 2 miles northeast of Alturas 1357 Comment
  UC412889  Chimaphila umbellata Franklin P. Nutting Aug 20 1900-Aug 30 1900 Modoc Big Valley Mts. near Forestdale; Big Valley Mts. Comment
  UCD170118  Chorispora tenella R. Breckenridge; K. Filippini 2005-6-20 s.n. Modoc Likely, Lynetta Farms, Jones Lane. Comment
  CAS-BOT-BC15005  Chrysothamnus nauseosus subsp. albicaulis John Thomas Howell 1934-7-2 12371 Modoc W side of Clear Lake. Comment
  CAS-BOT-BC15043  Chrysothamnus nauseosus subsp. albicaulis Elmer Ivan Applegate 1936-9-22 11064 Modoc Caldwell Butte, north base, Lava Beds National Monument. Comment
  CAS-BOT-BC15048  Chrysothamnus nauseosus subsp. albicaulis Philip Alexander Munz 1951-9-14 16980 Modoc Jess Valley. 1615 Comment
  POM229177  Chrysothamnus nauseosus subsp. albicaulis L. C. Wheeler 1935-9-10 3968 Modoc 1.5 miles SSW McGinty Reservoir, Devil's Garden 1524 Comment
  POM41246  Chrysothamnus nauseosus subsp. albicaulis Mrs. R. M. Austin 1895-07 542 Modoc Alturas Comment
  SD123291  Chrysothamnus viscidiflorus subsp. lanceolatus Jack L. Reveal 1984-8-14 2843 Modoc Dry benches east of Goose Lake. 1705 Comment
  SEINET7450729 Image available Chrysothamnus viscidiflorus subsp. latifolius M. J. Williams, G. Smith 1983-9-13 83- 153 -1 Modoc 1.6 miles beyond campground on Stowe Reservoir road, north of Cedar Pass Rd., Warner Mountains 2012 Comment
  CAS-BOT-BC14996  Chrysothamnus viscidiflorus subsp. viscidiflorus Ernest Christian Twisselmann 1961-9-22 6573 Modoc Jess Valley, Warner Mountains 1676 Comment
  RSA301895  Chrysothamnus viscidiflorus subsp. viscidiflorus L. C. Anderson 1958-8-23 1611 Modoc Along fence rows beside highway and around Middle Lake; 1 mile east of Cedarville 1425 Comment
  RSA252371  Cicuta douglasii R. F. Thorne, C. W. Tilforth 1969-9-5 39160 Modoc Modoc National Forest, Warner Mountains, Clear Lake. 1768 Comment
  CDA38299  Cicuta douglasii T. C. Fuller 1964-10-8 12701 Modoc West side of Highway 395 at southern limits of Likely. 0 Comment
  RSA504850  Circaea alpina subsp. pacifica Bruce Bartholomew, B. 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
  UC1276069  Cirsium arvense Loring White 1959-7-2 Modoc 1.5 mi s Tule Lake Comment
  CAS-BOT-BC14933  Cirsium occidentale var. candidissimum John Thomas Howell 1934-6-13 12084 Modoc Surprise Valley near Fort Bidwell. Comment
  HSC31108  Cirsium occidentale var. candidissimum R. F. Thorne, C. W. Tilforth 1969-9-5 39183 Modoc 3.3 mi. N of Likely 1357 Comment
  UC30790  Cirsium occidentale var. candidissimum Milo S. Baker 1893-7-25 Modoc Lava Beds Comment
  UC30791  Cirsium occidentale var. candidissimum Mrs. R. M. Austin 1884-1-1 Modoc hills near Davis Creek Comment
  UC705706  Cirsium occidentale var. candidissimum Marion Ownbey and Fred. G. Meyer 1940-7-1 2159 Modoc 1 mi w of Cedarville Comment
  CDA37886  Cirsium ochrocentrum CDFA Staff 1991-1 s.n. Modoc Alturas. 0 Comment
  CDA9112  Cirsium ochrocentrum Donald Collier 2008-6-3 PDR# 1291670 Modoc Alturas, 202 West 4th St. 0 Comment
  CAS-BOT-BC14938  Cirsium scariosum Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10522 Modoc Patterson Ranger Station (East Creek drainage), Modoc National Forest, Warner Mountains 2164 Comment
  UC71694  Cirsium scariosum var. americanum Mrs. M. H. Manning 1903-6-1 261 Modoc near Fort Bidwell (Upper Alkali Lake, ne Modoc County) Comment
  JEPS59245  Cirsium vulgare F. H. Frost 1925-7-11 19 Modoc 2 mi above Cedarville (Cedar Canyon campsite); Cedar Canyon Comment
  RSA41236  Clarkia affinis A. M. Alexander, Louise Kellogg 1946-6-12 4738 Modoc Fandango Pass Road 1707 Comment
  CHSC85162  Clarkia gracilis subsp. gracilis John Dittes; Josephine Guardino 1991-7-21 398 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-BC191070  Clarkia gracilis subsp. gracilis Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16384 Modoc Rocky clay mesa 5 mi. E of Calif. St. Highway 299 along Cedar Pass road Comment
  CAS-BOT-BC191053  Clarkia lassenensis John Thomas Howell 1934-6-11 11942 Modoc Parker Creek. 1584 Comment
  CAS-BOT-BC191058  Clarkia lassenensis Barbara J. Ertter 1988-6-18 7622 Modoc Hwy 139 a few mi. N of Agric. Inspection Station, 1 mi. S of S jct to Lava Beds Nat'l Monument. 1310 Comment
  CAS-BOT-BC191060  Clarkia lassenensis Bruce Bartholomew 1991-7-4 5890 Modoc S end of Higgins Flat. 1370 Comment
  CAS-BOT-BC184096  Clarkia lassenensis Mrs. H. C. Cantelow 1935-6-8 s.n. Modoc Nr. Bieber Comment
  UCSB17311  Clarkia lassenensis Haller, John 1961-6-24 Modoc near California State Highway 139; 25 mi SE of Tulelake; 27.7 mi NW of Canby 1280 Comment
  CAS-BOT-BC191044  Clarkia rhomboidea Annie Montague Alexander; L. Kellogg 1946-6-28 4863 Modoc Pine Creek Canyon. 1615 Comment
  UC634666  Clarkia rhomboidea F. H. Frost 1925-7-11 12 Modoc 2 mi above Cedarville; Warner Mts., Cedar Canyon Comment
  CDA38042  Clarkia rhomboidea J. Elliot 1975-7-3 s.n. Modoc Forestry road, 2 mile north of Joseph Creek Basin, northeast of Alturas, Modoc National Forest. 0 Comment
  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
  UC851973  Claytonia lanceolata C. L. Hitchcock 1940-5-27 6717 Modoc 15 mi ne Alturas 1981 Comment
  CAS-BOT-BC197435  Claytonia perfoliata subsp. intermontana Bruce Bartholomew; Barrett Anderson 1989-4-27 4631 Modoc Little Hot Spring Valley, 4.0 km NW of Day. 1070 Comment
  CAS-BOT-BC197468  Claytonia rubra subsp. rubra Bruce Bartholomew; Barrett Anderson 1989-4-29 4667 Modoc W side of Upper Alkali Lake, 7 km S of Fort Bidwell, Surprise Valley. 1370 Comment
  CAS-BOT-BC197473  Claytonia rubra subsp. rubra Bruce Bartholomew 1991-5-24 5712 Modoc Surprise Valley, E of Eagleville at the Nevada State boundary. 1520 Comment
  UC1713744  Claytonia rubra subsp. rubra M. S. Baker and Frank Nutting 1894-6-16 Modoc near Forestdale Comment
  CAS-BOT-BC197463  Claytonia rubra subsp. rubra John H. Hatton 1911-6-10 32 Modoc Modoc County. 1371 Comment
  CAS-BOT-BC226091  Collinsia parviflora C. L. Hitchcock 1940-5-27 6687 Modoc 15 mi. NE of Alturas. 1615 Comment
  JEPS17636  Collinsia parviflora Rimo Bacigalupi with G. Thomas Robbins 1955-7-20 5398 Modoc 3.3 mi e Patterson Ranger Station (summit of forest rd across s Warner Range); Warner Mtns 2225 Comment
  JEPS6207  Collinsia parviflora J. T. Howell 1934-6-14 12135 Modoc Lost Lake; Warner Mtns Comment
  UC26667  Collinsia torreyi var. latifolia Milo S. Baker 1893-6-30 Modoc Forestdale 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
  RSA504854  Collinsia torreyi var. wrightii Bruce Bartholomew, B. Anderson 1988-6-24 4299 Modoc Road beyond Poison Lake, ca. 8 km S of the road from Hwy 395 to Lily Lake, Warner Mountains. 2130 Comment
  CAS-BOT-BC190741  Collomia grandiflora James D. Jokerst 1983-7-27 61021 Modoc Near Signal Butte. 1248 Comment
  RSA304456  Collomia grandiflora D. H. Wilken, D. M. Smith 1971-7-1 10112 Modoc 1 mile E of Fandango Pass. Comment
  HSC16929  Collomia linearis M. T. Milligan 1965-6-26 323 Modoc N end Jess Valley. 1616 Comment
  SEINET13975533  Collomia linearis M. J. Williams 1984-6-30 84- 81 -4 Modoc 9.6 mi from Gerlach-Cedarville roa on the Parker Creek road, W side of the Warner Mtns., S. of Cedar Pass. 1829 Comment
  SJSU9625  Collomia linearis W. Savage 1959-7-7 1437 Modoc Triangle, Fairchild Swamp Unit, Devils Garden District, Modoc National Forest 1499 Comment
  SJSU9704  Collomia linearis W. Savage 1979-7-10 1528 Modoc Oregon Rim Unit, Devils Garden District, Modoc National Forest 1645 Comment
  UCSB29034  Collomia linearis Hardham, Clare 1961-6-18 Modoc Cedar Pass Camp Ground Comment
  CAS-BOT-BC190714  Collomia tinctoria Bruce Bartholomew 1995-6-1 6922 Modoc 1.3 km E of Day between Day and Lookout on County Road 94. 1200 Comment
  UC23677  Collomia tinctoria M. S. Baker and Frank Nutting 1894-6-5 Modoc Little Hot Spring Valley Comment
  CHSC105975  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
  SBBG30598  Convolvulus arvensis D. Myrick 1968-6-20 1977 Modoc Davis Crk on Hwy 395, 15 mi N of Alturas Comment
  UC1191639  Convolvulus arvensis Herbert L. Mason and Verne Grant 1947-7-10 13338 Modoc 2 mi e Alturas; Dorris Reservoir Comment
  JEPS64353  Corallorhiza striata Milo S. Baker 1893-6-9 Modoc Comment
  UC1736400  Cordylanthus maritimus subsp. canescens Dean W. Taylor 1989-8-6 10503 Modoc Warner Mountains, Suprise Valley, warm spring on west shore Lower Lake 1363 Comment
  CAS-BOT-BC210266  Cornus sericea John Thomas Howell 1934-6-11 11964 Modoc Parker Creek, Warner Mts. 1584 Comment
  CAS-BOT-BC210267  Cornus sericea Alice Eastwood; John Thomas Howell 1940-6-12 8059 Modoc Between Likely and Jess Valley Comment
  JEPS50181  Cornus sericea subsp. sericea W. L. Jepson 1918-8-7 7906 Modoc Mt. Bidwell N. Fork Bidwell Creek, Mt. Bidwell 1828 Comment
  POM337580  Cornus stolonifera F. R. Fosberg 1957-8-18 38848 Modoc Upper Rush Creek Camp Ground, northeast of Adin. 1600 Comment
  CAS-BOT-BC197570  Crataegus douglasii Francis Dorris Payne 1931-6-21 232 Modoc Gulch N of Parker Creek, Warner Mts. 1828 Comment
  CHSC115557  Crataegus douglasii Lowell Ahart; John Dittes 2015-7-15 20356 Modoc East side of Elkins Lane, about 50 yards southeast of the bridge across Ash Creek (destroyed), about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  HSC102678  Crataegus douglasii J. P. Smith, J. O. Sawyer 2011-8-14 13372 Modoc Fence row along Plum Valley Road, east of Davis Creek. 1494 Comment
  RSA164315  Crepis acuminata Clare B. Hardham 1961-6-18 7562 Modoc Hills 3 miles south of Cedar Pass 1829 Comment
  UC726061  Crepis acuminata A. A. Heller 1938-6-24 15220 Modoc on US Hwy 299 between Alturas and Canby 1341 Comment
  JEPS36498  Crepis bakeri M. S. Baker and Frank Nutting 1894-6-8 Modoc near Egg Lake Comment
  CHSC118086  Crepis bakeri subsp. bakeri L. P. Janeway 2016-5-16 12003 Modoc Modoc Plateau. Devils Garden area; along Road 46N02 3.4 road-km south-southeast of Road 47N09/73/181; about 5.2 air-km north of Crowder Mtn Reservoir. 1570 Comment
  CAS-BOT-BC14919  Crepis bakeri subsp. cusickii Alice Eastwood; John Thomas Howell 1940-6-15 8285 Modoc About 15 mi. N of Lookout. Comment
  CAS-BOT-BC14920  Crepis bakeri subsp. cusickii K. Paulson; Robert Paulson 1988-6-11 31 Modoc N of Stough Reservoir, Warner Mts.. 2011 Comment
  RSA504672  Crepis bakeri subsp. cusickii K. Paulson, R. Paulson 1988-6-11 31 Modoc N of Stough Reservoir, Warner Mountains 1707 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
  SEINET7838766 Image available Crepis nana M. Lavin, H. Mozingo 1979-9-8 s.n. Modoc Just W of Leavitt Lake Comment
  CAS-BOT-BC14893  Crepis occidentalis David Daniels Keck; J. Clausen 1935-6-24 3713 Modoc 3 mi. NE of Willow Ranch, northeastern Modoc County 1470 Comment
  CDA33478  Crepis occidentalis Dale Woods, V. Popescu, B. Villegas 2010-6-3 Modoc Kelly Springs Rd; about 2 miles southeast of Hwy 299, Modoc National Forest. 0 Comment
  UC748134  Crepis occidentalis subsp. occidentalis Annie M. Alexander and Louise Kellogg 1946-6-10 4715 Modoc top of lava bench between Lower Lake and Snake Lake Comment
  CAS-BOT-BC95593  Cressa truxillensis Bruce Bartholomew 1991-8-4 6014 Modoc W side of Goose Lake, 10.5 km N of McGinty Point. 1460 Comment
  CAS-BOT-BC14836  Crocidium multicaule Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-10 6444 Modoc 1.6 km S of Davis Creek on U.S. Hwy 395. 1460 Comment
  RSA584837  Crocidium multicaule Bruce Bartholomew, M. Gilbert, L. Skog 1993-5-11 6484 Modoc 2.4 km east of Crowder Flat Road on road to south end of Big Sage Reservoir. 1620 Comment
  SEINET3146470  Crocidium multicaule E. K. Balls 1950-5-10 15956 Modoc Hwy. 395, 5.5 mi. E of Alturas 1524 Comment
  CAS-BOT-BC14872  Crocidium multicaule Leland S. Smith 1919-4-20 1077 Modoc West of Alturas 1371 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
  CDA4457  Crupina vulgaris Butch Kreps 1992-6-12 Modoc Kelley Spring, Modoc National Forest, Adin. 0 Comment
  SEINET5343801 Image available Crupina vulgaris G. Schoolcraft 1993-6-17 2297 Modoc NE of Adin on S. side of Hunter Ridge 1646 Comment
  CHSC106328  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
  CHSC111413  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. 1260 Comment
  UC24652  Cryptantha ambigua Mrs. R. M. Austin and Bruce Jun 1898 2267 Modoc Goose Lake Comment
  UC1202932  Cryptantha celosioides L. S. Smith 1114 Modoc Deep Creek, above station Modoc Forest 1584 Comment
  SDSU20201  Cryptantha glomerata Ronald B. Kelley 2005-5-26 885 Modoc South-facing slope above and on the north side of CR40 (to Emerson Creek Campground), 1.5 miles southwest of CR1 jct. (0.1 miles west of cattle guard crossing). 1562 Comment
  CAS-BOT-BC54103  Cryptantha intermedia Alice Eastwood; John Thomas Howell 1940-6-11 8031 Modoc 8 mi. from Canby on road to Alturas. Comment
  CAS-BOT-BC54145  Cryptantha intermedia David Daniels Keck; Jens Chr. Clausen 1935-6-24 3719 Modoc 9 mi. S of Pine Creek, E side of Goose Lake, 0.5 mi N of Buck's Ranger Station. 1524 Comment
  SJSU9549  Cryptantha intermedia W. Savage 1979-7-3 1283 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  CAS-BOT-BC54114  Cryptantha simulans John Thomas Howell 1934-6-13 12043 Modoc Fandango Pass, Warner Mountains 1828 Comment
  SDSU20105  Cryptantha simulans Lee Ripma, R. B. Kelley 2012-7-24 386 Modoc Side of FR31. 2386 Comment
  SBBG19793  Cryptantha torreyana C. B. Hardham 1961-6-19 7843 Modoc Willow Crk Comment
  UC573118  Cryptantha torreyana F. H. Frost 1925-7-25 62 Modoc Eagle Peak Warner Mountains Comment
  UC24732  Cryptantha torreyana Milo S. Baker 1893-7-5 Modoc Comment
  UC79458  Cryptantha torreyana Milo S. Baker 1893-7-5 Modoc Comment
  JEPS39745  Cupressus bakeri P. Lorenzen Nov. 1903 Modoc near Day Comment
  UC1100558  Cyperus squarrosus Malcolm A. Nobs and S. Galen Smith 1949-7-20 1053 Modoc 4 mi. w. Adin 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
  UCR45851  Cystopteris fragilis G. M. Riegel 1980-9-3 1128 Modoc South Warner Mountains 908 Comment
  UC922416  Cystopteris fragilis Annie M. Alexander and Louise Kellogg 1946-6-14 4747 Modoc <edge of> Barber Creek Patterson Mill Rd 1798 Comment
  HSC533  Dactylis glomerata M. T. Milligan 1964-7-1 106 Modoc 6.0 mi. E of Canby on Modoc County Rd. 54 1372 Comment
  CAS-BOT-BC245210  Damasonium californicum Bruce Bartholomew; Barrett Anderson 1988-6-23 4272 Modoc 4.0 km W of Day on County Road 94. 1340 Comment
  CAS-BOT-BC245219  Damasonium californicum John Thomas Howell 1934-6-15 12184 Modoc Alturas. Comment
  JEPS32208  Damasonium californicum Milo S. Baker 1893-7-25 Modoc Egg Lake Comment
  CAS-BOT-BC242491  Danthonia californica Leland S. Smith 1924-5-31 1365 Modoc Modoc National Forest - near Kramer Reservoir Comment
  JEPS68521  Danthonia californica L. S. Smith 1917-7-1 90 Modoc Deep Creek R.S. camp Warner Mts. 2133 Comment
  SEINET229941 Image available Danthonia unispicata Leila M. Shultz, John S. Shultz 1985-6-23 8595 Modoc Between Beeler and Duncan resivoirs north of Canby near highway 139. 1311 Comment
  UCR163912  Danthonia unispicata Jim Andre 1993-6-30 1404 Modoc Modoc Plateau, about 10 miles NW of Canby on Hwy 139, near NW end of Oak Ridge 1494 Comment
  JEPS117303  Deinandra lobbii Lowell Ahart, John Dittes 2010-8-30 17059 Modoc In a large vernal pool, about 5 yards east of the fence, south edge of the meadow, Ash Creek State Wildlife Area, 2300 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley 1267 Comment
  NY492438  Delphinium M. Bourell 1993-8-15 5261 Modoc South Warner Wilderness area. Warner Mountains. Along trail from Patterson Lake to ca. 2 miles north toward Pepperdine Trailhead 2438.4 Comment
  UC912534  Delphinium andersonii F. H. Frost 47 Modoc halfway up Cedar Canyon; Meadow Stow <?> Ranch Comment
  JEPS86305  Delphinium depauperatum Jack and Betty Guggolz 1988-7-4 979 Modoc Comment
  NY487634  Delphinium depauperatum Mrs. C. C. Bruce 2236 Modoc Lake City Canyon Comment
  CAS-BOT-BC217306  Delphinium nuttallianum Roxana Stinchfield Ferris; R. Duthie 1919-6-15 1388 Modoc Parker Creen, Warner Mts. Comment
  CAS-BOT-BC217307  Delphinium nuttallianum Edward Kent Balls 1950-5-18 14745 Modoc Above Upper Rush Creek Public Camp, 2.5 mi. E of Hwy 299. 1828 Comment
  CAS-BOT-BC217312  Delphinium nuttallianum Annie Montague Alexander; L. Kellogg 1946-6-5 4667 Modoc Emerson Creek, S of Eagleville, Warner Mts. 1981 Comment
  CAS-BOT-BC217313  Delphinium nuttallianum Edward Kent Balls 1950-5-12 14367 Modoc Above Bucks Creek Ranger Station, E of Goose Lake. 1767 Comment
  CAS-BOT-BC217318  Delphinium nuttallianum Bruce Bartholomew; Barrett Anderson 1989-4-30 4708 Modoc 0.8 km S of Centerville Rd. (Co. road 54) on road to Ralston Gulch (Co. road 77). 1400 Comment
  CAS-BOT-BC217333  Delphinium nuttallianum Francis Dorris Payne 1932-5-27 403 Modoc Parker Creek. 1584 Comment
  UC1249267  Delphinium nuttallianum Arthur Cronquist and Arthur H. Holmgren 1959-6-20 8518 Modoc between Cedarville and Alturas; Warner Mts., Cedarville Pass 1920 Comment
  CAS-BOT-BC217346  Delphinium nuttallianum Roxana Stinchfield Ferris; R. Duthie 1919-6-14 83 Modoc Modoc County. 1981 Comment
  CAS-BOT-BC242478  Deschampsia danthonioides Leland S. Smith 1924-5-31 s.n. Modoc Egg Lake Ranch near S end. Comment
  UC1024905  Deschampsia danthonioides Leo Whitney 1935-6-1 3108 Modoc 1 mi. s.w. White Horse Comment
  UCD62860  Deschampsia danthonioides Charlotte Glenn 1967-6-18 106 Modoc Modoc National Forest, near Egg Lake, ca. 16 miles north of Bieber. 1310 Comment
  UC71577  Descurainia incana Mrs. M. H. Manning 1903-1 62 Modoc near Fort Bidwell (ne Modoc County) Comment
  CAS-BOT-BC58605  Descurainia paradisa Bruce Bartholomew 1994-5-15 6693 Modoc E of Eagleville near the Eagleville Airport, Surprize Valley. 1380 Comment
  UC3253  Dichelostemma capitatum Milo S. Baker 1893-7-12 Modoc Comment
  JEPS58090  Dichelostemma multiflorum Frances D. Payne 1931-6-18 188 Modoc s and e of Alturas; Warner Mountains, Parker Creek 1584 Comment
  UC1586938  Dichelostemma multiflorum Juha Pykala and D. H. Norris 1987-5-27 1005 Modoc Lower Rush Creek Campground Modoc National Forest 1432 Comment
  CAS-BOT-BC501064  Dichelostemma multiflorum L. S. Smith 1926-6-7 1889 Modoc Near Lake City, Tahoe Forest 1097 Comment
  UC219328  Dieteria canescens var. shastensis Elmer I. Applegate 1921-9-2 3341 Modoc near Tule Lake; Dry Lake, near Tule Lake Comment
  CAS-BOT-BC14840  Dimeresia howellii Annie Montague Alexander; L. Kellogg 1946-8-9 5147 Modoc Patterson Lake Trail, Warner Mts. Comment
  JEPS86330  Dimeresia howellii Jack and Betty Guggolz 1988-7-1 972 Modoc near Old Canon Mill Road Comment
  SBBG22643  Diplacus nanus C. B. Hardham 1961-6-19 7841 Modoc Willow Crk 1676 Comment
  CAS-BOT-BC95630  Dipsacus fullonum Bruce Bartholomew 1995-8-1 7141 Modoc 14.8 km N of turn off to Cedarville on U.S. Hwy 395 and 8 km S of Davis Creek. 1450 Comment
  CAS-BOT-BC248374  Distichlis spicata Isabel T. Kelly 1930-1-1 59 Modoc Fort Bidwell Comment
  CHSC100110  Distichlis spicata L. P. Janeway; B. Castro 2008-8-16 9545 Modoc Modoc Plateau. Surprise Valley; east side of Middle Alkali Lake, south side of Hwy 299 10.5 km east of Cedarville. 1378 Comment
  JEPS14684  Dodecatheon alpinum Frances D. Payne 1931-6-29 299 Modoc e Warren Peak (South slope of Owl Creek, Warner Mountains); Warner Mountains, s slope Owl Creek, e of Warren Peak 2133 Comment
  JEPS91189  Dodecatheon alpinum Dean Wm. Taylor with Glenn L. Clifton 1989-8-5 10461 Modoc Warner Mountains, steep northeast face Eagle Peak 2880 Comment
  SEINET7073593  Dodecatheon conjugens A. G. Vestal 1955-5-18 s.n. Modoc Modoc lava on Route 139. Modoc National Forest. UTM Zone 10, 646374mE, 4627855mN. Coordinate datum: NAD27. Comment
  CAS-BOT-BC218284  Dodecatheon conjugens var. conjugens R. M. Austin 1898-4-1 2308 Modoc Plains, Goose Lake. Comment
  CHSC77227  Dodecatheon pulchellum G. S. Batholomew 1998-6-4 2725 Modoc Island meadow on Devils Garden area. 1615 Comment
  CAS-BOT-BC95116  Downingia bacigalupii Alice Eastwood; John Thomas Howell 1940-6-14 8224 Modoc 8 mi. NW of Canby. Comment
  CHSC99117  Downingia bacigalupii Lowell Ahart; John Dittes 2008-6-21 14985 Modoc Bottom of a large vernal pool, about 50 yards northwest of a large culvert, about 25 yards west of the large levee, in Big Valley, about 2.8 miles (air) north of the Headquarters at Ash Creek State Wildlife Area, about 5.4 miles (air) northeast of Bieber. 1255 Comment
  JEPS117480  Downingia bacigalupii Lowell Ahart, John Dittes 2010-8-31 17124 Modoc About 400 yards west of Elkins Lane and the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley 1267 Comment
  UC1051441  Downingia bacigalupii Herbert L. Mason 1955-8-14 14652 Modoc s end Goose Lake Comment
  JEPS103626  Downingia bacigalupii Lisa Schultheis 1995-6-28 230 -95 Modoc N of Lookout on County Road 94. 0.3 mile S from Cedar Drive Comment
  RSA436117  Downingia bacigalupii L. S. Rose 1940-6-11 40511 Modoc Canby. 1326 Comment
  UCD37474  Downingia bicornuta Beecher Crampton 1960-6-17 5701 Modoc Modoc County, 13 miles west of Canby, 2.5 miles northeast of Happy Camp Station, McKay Flat. 1280 Comment
  CAS-BOT-BC95132  Downingia bicornuta var. bicornuta R. K. Gierisch; D. H. Esplin 1969-7-16 3547 Modoc Spaulding Reservoir. 1432 Comment
  JEPS108487  Downingia bicornuta var. bicornuta Lisa Schultheis 1996-6-29 311 -96 Modoc W of Goose Lake. On county Rd. 73 towards Crowder Flat, about 18 miles from Rt. 299. Comment
  UC28979  Downingia cuspidata Milo S. Baker 1893-6-18 Modoc near Egg Lake shore; Egg Lake Comment
  UC1520664  Downingia insignis Noel H. Holmgren and Patricia K. Holmgren 1980-7-1 9456 Modoc 1.4 mi ne U.S. Highway 299 junction with Calif. Highway 139 to Canby 1310 Comment
  JEPS108490  Downingia insignis Lisa Schultheis 1996-6-29 312 -96 Modoc W of Goose Lake. On County Rd. 73 towards Crowder Flat. About 4.2 mi from Rt. 299 Comment
  SEINET8733891 Image available Downingia insignis Margaret J. Williams 1984-1 84- 66 -1 Modoc extending E for more than 2 miles; 0.2 mi E of Hwy 395 at Ravendale 1524 Comment
  HSC80856  Draba albertina G. M. Riegel 1980-8-7 1013 Modoc S Warner Mtns. 2341 Comment
  HSC80859  Draba albertina G. M. Riegel 1980-9-3 1130 Modoc S Warner Mtns. 2305 Comment
  SEINET195673  Draba albertina Annie M. Alexander, L Kellogg 1946-6-25 4823 Modoc Dismal Swamp; N end of Warner Mts 2256 Comment
  CAS-BOT-BC58596  Draba novolympica Bruce Bartholomew 1991-8-5 6053 Modoc Summit Trail between Squaw Peak and Cottenwood Lake, crest of the Warner Mts. 2530 Comment
  CAS-BOT-BC41934  Draba stenoloba var. ramosa Gregg M. Riegel 1980-8-26 1109 Modoc South Warner Mountains. 2328 Comment
  CAS-BOT-BC214771  Drymocallis glandulosa Leland S. Smith 1918-6-23 954 Modoc Below Lily Lake - High Grade distriict. 2133 Comment
  HSC27396  Drymocallis glandulosa D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19519 Modoc Big Valley Summit, 6 mi. W of Adin on Hwy. 299 Comment
  CAS-BOT-BC214755  Drymocallis glandulosa Elmer Ivan Applegate 1935-6-10 9478 B Modoc S base of Caldwell Butte, Lava Beds Natonal Monument. Comment
  JEPS87086  Drymocallis glandulosa var. glandulosa Teresa Sholars 1987-6-9 729 Modoc just above Stowe Campground; Warner Mountains, just above Stowe Campground Comment
  JEPS47208  Drymocallis glandulosa var. reflexa Frances D. Payne 1931-6-21 221 Modoc at base of cliffs on ridge w Dry Creek (s and e of Alturas, tributary of Parker Creek); Warner Mountains, Parker Creek, ridge w of Dry Creek 1981 Comment
  HSC1028  Dryopteris expansa R. C. Wunner 1965-8-31 495 Modoc Lava Beds National Monument, Fern Cave entrance. Comment
  CHSC100431  Echinochloa crus-galli Lowell Ahart; John Dittes 2008-8-25 15314 Modoc On the east bank of the Pit River (flood plain), about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout. 1273 Comment
  UC1100266  Echinochloa crus-galli Herbert L. Mason 1947-8-12 13510 Modoc junction of North and South forks of Pit River Alturas; junction of North and South forks of Pit River 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
  RSA0114933  Elatine Lowell Ahart, John Dittes 2013-7-24 18919 Modoc Around a man made pond, north side of Ash Creek Floodplain, 0.54 mile (air) southeast of Pilot Butte Parking Area, 1.1 miles (air) south of Country Road 87, 6.8 miles (air) west of Adin, Big Valley. 1263 Comment
  JEPS127189  Elatine californica Lowell Ahart, John Dittes 2016-7-14 21211 -A Modoc South of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. Comment
  CHSC117015  Elatine rubella Lowell Ahart; John Dittes 2016-6-6 20955 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
  UC1101549  Elatine triandra Herbert L. Mason 1947-8-13 13527 Modoc n Canby (ne side of F reservoir) Comment
  UC1101539  Elatine triandra Herbert L. Mason 1947-8-8 13464 A Modoc nw Alturas (sw margin of Big Sage Reservior) Comment
  CAS-BOT-BC242386  Eleocharis macrostachya Louis Cutter Wheeler 1935-9-1 3935 Modoc Pine Spring, Devil's Garden. 1524 Comment
  UC698595  Eleocharis macrostachya Louis C. Wheeler 1935-9-1 3935 Modoc Pine Spring, Devils Garden 1524 Comment
  UC1100743  Eleocharis macrostachya Herbert L. Mason 1947-8-15 13560 Modoc spring leading into W side of Goose Lake, 11 mi from Davis Creek Comment
  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
  RSA252380  Eleocharis palustris Robert F. Thorne, C. W. Tilforth 1969-9-5 39180 Modoc South Fork of Pit River at bridge, 3.8 miles E of Likely 1387 Comment
  CAS-BOT-BC242387  Eleocharis quinqueflora Louis Cutter Wheeler 1935-8-15 3862 Modoc Dismal Swamp. 2225 Comment
  UC698625  Eleocharis quinqueflora Louis C. Wheeler 1935-8-15 3862 Modoc Dismal Swamp, Twenty Mile Creek Warner Mountains 2225 Comment
  POM229182  Eleocharis quinqueflora L. C. Wheeler 1935-8-15 3862 Modoc Dismal Swamp, Twenty Mile Creek, Warner Mts. 2226 Comment
  CAS-BOT-BC245108  Elodea canadensis Milo Samuel Baker 1899-8-12 5481 Modoc Egg Lake. Comment
  RSA210838  Elodea nuttallii Robert F. Thorne, J. Henrickson, C. W. Tilforth 1969-9-4 39130 Modoc N Fork of Pit River 3.4 mi N of Alturas where crossed by Highway 395. 1341 Comment
  UC1024965  Elymus X macounii Leo Whitney 1935-7-6 3444 Modoc near Lookout; Pit River Comment
  UC1037179  Elymus X macounii Leo Whitney 1935-8-13 3618 Modoc U.S.B.E.--MC-2 Comment
  CHSC100009  Elymus cinereus Lowell Ahart; John Dittes 2008-8-25 15311 Modoc On the east bank (flood plain) of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout. 1273 Comment
  CHSC85110  Elymus cinereus John Dittes; Josephine Guardino 1991-6-1 365 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
  HSC38774  Elymus cinereus A. M. Montalvo, J. D. Ackerman 1974-7-4 364 Modoc Howard's Gulch, 6 mi. NW of Canby, off Hwy. 139. Comment
  SJSU5206  Elymus elymoides H. L. Buckalew 1961-7-2 Modoc Stowe Reservoir 1 mi N of Cedar Pass on Alturas-Cedarville Road, Warner Mts 1920 Comment
  UCD61567  Elymus elymoides L. D. Whitney 1935-7-11 Modoc Base of Glass Mt. Comment
  CAS-BOT-BC247741  Elymus elymoides subsp. elymoides Bruce Bartholomew; Barrett Anderson 1990-7-20 5478 Modoc 10.3 km N of Buck Creek Ranger Station, crest of Warner Mountains W side of Warner Mts. 2130 Comment
  JEPS70699  Elymus elymoides subsp. elymoides Leland S. Smith 1918-6-22 970 Modoc High Grade-Pine Creek Modoc <National> Forest Comment
  HSC10953  Elymus elymoides var. elymoides M. T. Milligan 1966-8-3 629 Modoc West slope of Eagle Peak. 2439 Comment
  UC1024969  Elymus glaucus Leo Whitney 1935-7-6 3436 Modoc Crank Springs Comment
  UCD62361  Elymus glaucus subsp. glaucus L. S. Smith 1918-8-11 1021 Modoc Lost Lake, Warner Mts. 2438 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
  UCD61276  Elymus macounii A. A. Beetle 1944-8-17 3036 Modoc 1 mile south of Alturas, edge of town by R. R. track. Comment
  UC1025042  Elymus multisetus Leo Whitney 1935-8-17 3630 Modoc Hackamore Modoc National Forest, Lake Joaquina (R.S.-5 U.S.B.E., ca 15 mi nw of Canby) 1463 Comment
  HSC8745  Elymus spicatus M. T. Milligan 1965-6-30 383 Modoc E of Jess Valley. 1707 Comment
  JEPS73940  Elymus trachycaulus Frances D. Payne 1932-6-24 588 Modoc s and e Alturas; Waner Mountains, Parker Creek 1584 Comment
  UC1037185  Elymus trachycaulus Leo Whitney 1935-7-23 3571 Modoc USBE Plot Modoc Nation Forest, Happy Camp (15 mi w of Canby) 1463 Comment
  UC70661  Elymus trachycaulus Mrs. M. H. Manning June 1903 413 c Modoc N.E. Modoc Co. Comment
  UCD62717  Elymus trachycaulus Beecher Crampton; Carl Rimbey 1954-7-7 2129 Modoc West side of Cedar Pass, Warner Mountains. Comment
  CAS-BOT-BC247726  Elymus trachycaulus subsp. trachycaulus Bruce Bartholomew 1990-8-5 5665 Modoc Summit Trail, ca. 3 km N of Patterson Ranger Station, W side of Warner Mts. 2440 Comment
  CAS-BOT-BC247727  Elymus trachycaulus subsp. trachycaulus Roxana Stinchfield Ferris; L. Lorraine 1941-8-14 10588 Modoc 3 mi. from Patterson Ranger Station on road to Eagleville. Comment
  HSC8762  Elymus trachycaulus subsp. trachycaulus M. T. Milligan 1966-7-3 547 Modoc Slopes and ridges E of Jess Valley 1829 Comment
  CHSC106190  Elymus triticoides Lowell Ahart; John Dittes 2010-8-31 17131 Modoc West 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
  JEPS114871  Elytrigia pontica subsp. pontica Lowell Ahart, John Dittes 2008-8-25 15307 Modoc On the west bank (flood plain) of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-notheast of Lookout 1273 Comment
  CAS-BOT-BC217287  Enemion stipitatum Bruce Bartholomew 1993-4-3 6411 Modoc Just S of Adin Pass on State Hwy 299. 1600 Comment
  CAS-BOT-BC191022  Epilobium brachycarpum Bruce Bartholomew 1991-6-21 5799 Modoc 1.6 km S of Davis Creek on U.S. Hwy 395. 1450 Comment
  CAS-BOT-BC191028  Epilobium brachycarpum Verne Grant; I. Schneider 1947-8-27 8308 Modoc 10 mi. S of Tule Lake. Comment
  CAS-BOT-BC191031  Epilobium brachycarpum John Thomas Howell 1934-7-1 12331 Modoc Duncan Horse Camp. 1355 Comment
  JEPS121198  Epilobium brachycarpum Lowell Ahart, John Dittes 2013-7-25 18961 Modoc 30 yards N of the E-W fence, S edge of Ash Creek floodplain, NE of Patterson Homestead, E of Elkins Lane, 1.0 air mile S of County Road 87, 3.14 air miles W of Adin, Big Valley. Comment
  CHSC116097  Epilobium ciliatum subsp. ciliatum Lowell Ahart; John Dittes 2015-7-16 20368 Modoc North edge of Ash Creek (destroyed), southeast of the gravel pit (destroyed), about 1/8 mile east of the parking area on the east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  JEPS123856  Epilobium ciliatum subsp. ciliatum Lowell Ahart, John Dittes 2015-7-16 20368 Modoc Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. Comment
  POM312596  Epilobium ciliatum subsp. ciliatum Verne Grant, Irving Schneider 1947-7-19 8079 Modoc Near Tules of East Canal, along Southern Pacific right-of-way, Williams Ranch, between Alturas and Likely 1220 Comment
  UC71663  Epilobium ciliatum subsp. ciliatum Mrs. M. H. Manning 1902-10-4 23 a Modoc Surprise Valley Comment
  CAS-BOT-BC190986  Epilobium ciliatum subsp. glandulosum Bruce Bartholomew; Barrett Anderson 1990-7-21 5584 Modoc Homestead Flat, ca. 2.5 km E of Patterson Ranger Station, E side of Warner Mts. 2160 Comment
  CAS-BOT-BC190987  Epilobium ciliatum subsp. glandulosum Bruce Bartholomew 1989-8-11 5103 Modoc Vicinity of Patterson Ranger Station, S end of Warner Mountains. 2160 Comment
  RSA41239  Epilobium ciliatum subsp. glandulosum A. M. Alexander, Louise Kellogg 1946-7-17 5008 Modoc Benton Meadow, Warner Mountains 2073 Comment
  CAS-BOT-BC498682  Epilobium hornemannii C. L. Hitchcock 1940-5-27 6710 Modoc 15 miles NE of Alturas 1615 Comment
  CAS-BOT-BC190954  Epilobium minutum Bruce Bartholomew 1991-8-5 6075 Modoc Summit Trail, between Squaw Peak and Pepperdine, W side of Warner Mts. 2320 Comment
  CAS-BOT-BC190948  Epilobium obcordatum Bruce Bartholomew 1995-8-1 7160 Modoc Bidwell Mtn., E side of the Warner Mountains. 2150 Comment
  CAS-BOT-BC190942  Epilobium oregonense Bruce Bartholomew 1994-7-3 6840 Modoc E side of the Warner Mountains on the road from Lily Lake to Fort Bidwell. 1980 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
  NY1000508  Epilobium pallidum A. Tiehm 1984-6-30 8836 Modoc Northwest side of Bidwell Mountain, 2.2 road miles north of 8 mile creek on the road from Lake Annie 1844 Comment
  CAS-BOT-BC190871  Epilobium pygmaeum Clare Butterworth Hardham 1974-8-6 20176 Modoc Cedar Pass. 1935 Comment
  CAS-BOT-BC190861  Epilobium torreyi D. M. Moore 1960-6-4 121 Modoc 7.4 mi. W of Adin on road to Lookout. Comment
  CAS-BOT-BC30225  Equisetum arvense Elmer Ivan Applegate 1932-7-7 8226 Modoc Above Lily Lake, Bidwell Pass, Warner Mountains. Comment
  JEPS89834  Equisetum arvense Dean W. Taylor 1992-5-8 12557 Modoc ca. 1.5 air mi. w. of Oregon State Line Pine Creek Canyon; Warner Mts., Pine Creek Canyon 1554 Comment
  CHSC116080  Equisetum laevigatum Lowell Ahart; John Dittes 2015-7-16 20393 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-BC30181  Equisetum laevigatum Verne Grant; I. Schneider 1947-7-20 8107 Modoc North Fork of Pit River, downstream from Alturas. Comment
  UCD63825  Eragrostis mexicana subsp. virescens L. Whitney 1935-8-24 100 Modoc Modoc County. Comment
  CAS-BOT-BC95471  Eremogone aculeata Roxana Stinchfield Ferris; R. Duthie 1919-6-16 135 Modoc Above Parker Creek, Warner Mts. Comment
  CAS-BOT-BC95473  Eremogone aculeata E. S. Willits 1940-5-11 245 Modoc Lily Lake. Comment
  CAS-BOT-BC95478  Eremogone aculeata Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-13 6534 Modoc Just W of Mud Lake on road to West Valley Reservoir. 1460 Comment
  CAS-BOT-BC95495  Eremogone aculeata Bruce Bartholomew; Barrett Anderson 1989-6-3 4892 Modoc ca. 5 km E of the SE corner of Clear Lake Reservoir. 1450 Comment
  CAS-BOT-BC95460  Eremogone congesta Gregg M. Riegel 1980-7-28 949 Modoc unspecified 2415 Comment
  CHSC118083  Eremogone congesta var. subcongesta L. P. Janeway 2016-5-17 12028 Modoc Modoc Plateau. Devils Garden area; along Road 43N18 just east of Porcupine Rim; about 4.0 air-km west of Big Sage Reservoir. 1555 Comment
  RSA602677  Eriastrum sparsiflorum L. C. Wheeler 1935-8-2 3747 Modoc Twelve Mile Creek, Warner Mts. 2287 Comment
  CAS-BOT-BC14812  Ericameria bloomeri Francis Dorris Payne 1934-8-29 s.n. Modoc Parker Creek. 1584 Comment
  JEPS32963  Ericameria bloomeri W. L. Jepson 1918-8-13 7963 Modoc Eagle Peak Warner Mts., Eagle Peak 2682 Comment
  POM199564  Ericameria bloomeri Franklin P. Nutting s.n. Modoc Forestdale Comment
  CAS-BOT-BC14778  Ericameria discoidea Francis Dorris Payne 1932-7-21 727 Modoc Mt. Warren, Warner Mts. Comment
  UCR150529  Ericameria discoidea David A. Charlet 1989-8-13 219 Modoc Warner Mountains, N face of Eagle Peak 2927 Comment
  CAS-BOT-BC287486  Ericameria greenei H. M. Hall 1925-8-30 12209 Modoc E side Goose Lake Comment
  UC190590  Ericameria greenei M. F. Gilman 517 Modoc Comment
  SJSU9677  Ericameria nauseosa var. oreophila W. Savage 1979-8-23 1582 Modoc Triangle, Fairchild Swamp Unit, Devils Garden District, Modoc National Forest. T 43N, R 10E, NW 1/4 Sec 7 1511 Comment
  UCD131477  Ericameria nauseosa var. oreophila K. M. Meyer; A. Townesmith 2007-9-16 212 Modoc Modoc National Forest, going E on Highway 299, 5.1 miles from the start of NF. Lower, Cedar Creek interpretive trail. 1622 Comment
  UC75822  Ericameria parryi var. latior Milo S. Baker 1899-8-18 Modoc Little Hot Spring Valley Comment
  UCD32745  Ericameria parryi var. latior Beecher Crampton 1954-7-8 2198 Modoc 4 miles west of Alturas, on small volcanic mesa. Comment
  UCD131549  Ericameria parryi var. nevadensis Louis C. Wheeler 1973-8-26 s.n. Modoc Warner Mountains: 1.5 mile north of Sworinger Reservoir. 1767 Comment
  UC31497  Erigeron Milo S. Baker 1893-8-9 Modoc Comment
  RSA152605  Erigeron aphanactis I. L. Wiggins, Dorothy Wiggins 1961-6-12 16371 Modoc At junction of Cedar Pass road with California Highway 299, 5.5 miles N of Alturas. Comment
  CAS-BOT-BC42830  Erigeron austiniae B. J. Cox; P. Gillian 1971-6-3 2612 Modoc 6 mi. N of Alturas on Hwy 395. 1341 Comment
  RSA74773  Erigeron barbellulatus Elroy Robinson 1936-7-20 b 115 Modoc Along trail bet Mono Hot Springs and Mono Meadow. 2134 Comment
  RSA245270  Erigeron bloomeri D. H. Norris, T. Nelson, S. Dowty 1971-6-23 19386 Modoc Along Hager Basin Road near Big Sage Reservoir Comment
  SBBG8712  Erigeron bloomeri H. and M. Dearing 1939-6-9 3624 Modoc near Squaw Peak, Warner Mtns 2133 Comment
Read comments
Apr 17 2007
  CAS-BOT-BC42846  Erigeron bloomeri var. bloomeri Alice Eastwood; John Thomas Howell 1940-6-12 8084 Modoc Jess Valley. Comment
  CHSC112854  Erigeron bloomeri var. bloomeri L. P. Janeway; B. Castro 2014-6-2 11281 Modoc Great Basin. Along County Road 5 1.0 km west of the southwest corner of Cow Head Lake. 1627 Comment
  CHSC115473  Erigeron bloomeri var. bloomeri L. P. Janeway 2014-7-8 11466 Modoc Modoc Plateau. East corner of Dry Creek Rim; along Road 47N08 (Corral Creek Road) 3.1 road-km north-northwest of Road 48 (along the west edge of Goose Lake). 1650 Comment
  CAS-BOT-BC42847  Erigeron bloomeri var. bloomeri R. M. Austin 1894-6-1 s.n. Modoc Lava beds W of Willow Creek. Comment
  RSA164350  Erigeron bloomeri var. bloomeri Clare B. Hardham 1961-6-18 7557 Modoc 3 miles SE of Cedar Pass. 1829 Comment
  CHSC66995  Erigeron chrysopsidis var. austiniae James D. Jokerst 1987-5-13 2861 Modoc Radar Survey Site S of Doublehead Mtn., S of Clear Lake Reservoir, S end of northern sector. 1371 Comment
  UC1567365  Erigeron compositus G. Schoolcraft 1989-7-16 1955 Modoc near Patterson Lake; Warner Mtns. 2773 Comment
  HSC5505  Erigeron coulteri M. T. Milligan 1966-7-3 539 Modoc Slopes and ridges E of Jess Valley 1829 Comment
  HSC81102  Erigeron coulteri G. M. Riegel 1980-8-9 1019 Modoc S Warner Mts. 2100 Comment
  CAS-BOT-BC42781  Erigeron divergens Roxana S. Ferris; Rena P. Duthie 1919-6-14 180 Modoc Parker Creek at Modoc Nat. Forest Boundary. 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
  CHSC117148  Erigeron divergens Lowell Ahart; John Dittes 2016-7-14 21154 Modoc West side of new pond, south of Ash Creek Canal (now filled in), south of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. 1273 Comment
  HSC5514  Erigeron divergens M. T. Milligan 1964-6-6 14 Modoc N side of Dorris Reservoir along shore 1372 Comment
  SEINET9334568  Erigeron divergens Unknown 1996-7-21 13295 Modoc In dry, open sites about the Modoc Co Rd 90 bridge over Pit River. E base of Splawn Mtn. N end of Big Valley. Quadrangle: Donica Mtn. 7.5 Comment
  UC87559  Erigeron divergens Mrs. R. M. Austin 1894-1-1 Modoc Goose Lake Valley Comment
  UC748101  Erigeron divergens Annie M. Alexander and Louise Kellogg 1946-6-4 4658 Modoc in pasture in back of town Eagleville Comment
  CAS-BOT-BC42751  Erigeron eatonii var. plantagineus Bruce Bartholomew 1993-6-14 6677 Modoc Open moist flat SW of Stovepipe Flat Tank just N of road between Deer Hill and Duncan Reservoir. 1530 Comment
  CAS-BOT-BC42758  Erigeron eatonii var. plantagineus Francis Marion Ownbey; Frederick Gustav Meyer 1940-7-1 2144 Modoc N slope Cedar Peak, Warner Mtns. Comment
  CAS-BOT-BC42788  Erigeron eatonii var. plantagineus Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-13 16460 Modoc 3 mi. W of summit of Fandango Pass, across Warner Mountains Comment
  SBBG22132  Erigeron eatonii var. plantagineus C. B. Hardham 1961-6-18 7573 Modoc mtns S of Cedar Pass 1981 Comment
  SD131996  Erigeron eatonii var. plantagineus Barbara Ertter 1988-6-18 7628 Modoc Highway 139, 14.5 miles eastnortheast of junction of Highway 299 at Canby; north of Bessler Reservoir. 1465 Comment
  UC444441  Erigeron eatonii var. plantagineus Mrs. R. M. Austin and Mrs. Bruce July 1898 2311 Modoc Lake Shore Comment
  JEPS13334  Erigeron eatonii var. plantagineus Rimo Bacigalupi with G. Thomas Robbins 1955-7-20 5394 Modoc summit of forest road 3.3 mi e Patterson Ranger Station; southern End of Warner Mts., Modoc Nat. Forest 2225 Comment
  UC619259  Erigeron eatonii var. plantagineus J. and H. W. Grinnell 1938-6-16 1113 Modoc Cedar Pass summit Warner Mountains 1935 Comment
  CAS-BOT-BC42766  Erigeron elegantulus John Thomas Howell 1934-6-30 12261 Modoc Duncan Horse Camp. 1355 Comment
  CAS-BOT-BC49626  Erigeron filifolius Alice Eastwood; John Thomas Howell 1940-6-13 8158 Modoc E side of Fandango Pass. Comment
  POM203844  Erigeron filifolius J. T. Howell 1934-6-12 12014 Modoc Between Davis Creek and Plum Valley Comment
  CHSC111996  Erigeron glacialis var. glacialis B. Castro; L. P. Janeway 2008-8-17 1751 Modoc Warner Mountains. North slope of Bald Mountain; mid-slope below upper edge of last row of trees, in upper feeders to S. Fork Mill Creek. 2305 Comment
  HSC81107  Erigeron inornatus var. inornatus G. M. Riegel 1979-8-24 708 Modoc S Warner Mtns. 1670 Comment
  UC71824  Erigeron inornatus var. inornatus Mrs. M. H. Manning 1902-10-11 39 Modoc Warner Mts. 1828 Comment
  CAS-BOT-BC49605  Erigeron linearis Bruce Bartholomew; Barrett Anderson 1989-6-2 4802 Modoc 6.4 km E of Fort Bidwell on road to Fee Reservoir, NE corner of Surprise Valley. 1460 Comment
  CAS-BOT-BC49648  Erigeron linearis Alice Eastwood; John Thomas Howell 1940-6-12 8104 A Modoc W side of Cedar Pass. Comment
  JEPS41569  Erigeron linearis L. S. Smith 1166 Modoc Timber Mt. Comment
  UC1540225  Erigeron linearis Dean Wm. Taylor and Glenn L. Clifton 1987-6-27 9100 Modoc about 3.5 mi n of n junction with Highway 299 (along Highway 395) 1371 Comment
  CAS-BOT-BC49643  Erigeron linearis R. M. Austin 1894-6-1 s.n. Modoc Lava beds W of Willow Creek. Comment
  SD5435  Erigeron linearis Mrs. R. M. Austin Unknown Modoc New Pine Creek Comment
Read comments
Jul 11 2010
  UC485111  Erigeron lonchophyllus Mrs. R. M. Austin 1885-8-1 Modoc Goose Lake Valley Comment
  CAS-BOT-BC49579  Erigeron philadelphicus Roxana Stinchfield Ferris; R. Duthie 1919-6-15 173 Modoc Marsh, Parker Creek, Warner Mtns. Comment
  CDA4935  Erigeron philadelphicus T. C. Fuller 1959-7-8 s.n. Modoc Harter Road & Highway 139, ca. 5 miles south of Stronghold. 0 Comment
  HSC5543  Erigeron pumilus var. intermedius M. T. Milligan 1966-6-19 645 Modoc Plateau W of Jess Valley 1829 Comment
  SJSU9650  Erigeron pumilus var. intermedius W. Savage 1979-7-8 1485 Modoc N end Fairchild Swamp Unit, Triangle, Devils Garden District, Modoc National Forest 1493 Comment
  UC71828  Erigeron pumilus var. intermedius Mrs. M. H. Manning Jun 1 1904-Jul 1 1904 468 Modoc slope above Alkali Lake; ne Modoc County Comment
  CAS-BOT-BC197831  Eriogonum caespitosum Elmer Ivan Applegate 1932-7-9 7605 Modoc Bidwell Mountain, Warner Mts. Comment
  RSA554798  Eriogonum caespitosum Margaret J. Williams 1988-5-30 88- 26 -8 Modoc Jess Valley, east of Likely, south of roadside rest 1524 Comment
  RSA293359  Eriogonum douglasii var. douglasii Reino Alava 1957-7-5 1155 Modoc Cedar Pass, Modoc National Forest, Warner Mountains Comment
  UC6272  Eriogonum douglasii var. meridionale Mrs. C. C. Bruce June 1898 2315 Modoc Lake City Mt. 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-BC197828  Eriogonum elatum Leland S. Smith 1917-7-18 75 Modoc Soldier Creek. 1828 Comment
  CAS-BOT-BC197811  Eriogonum heracleoides var. heracleoides J. L. Reveal; Darin Scott Reveal 1978-8-11 4824 Modoc Warner Mts., Dismal Swamp, about 2 mi. N of Modoc Co. Road 2, at the NW end of Dismal Swamp S of Dismal Creek. 2225 Comment
  HSC80997  Eriogonum heracleoides var. heracleoides G. M. Riegel 1980-7-23 926 Modoc S Warner Mtns. 1739 Comment
  RSA165621  Eriogonum heracleoides var. heracleoides Clare B. Hardham 1961-6-21 7917 Modoc East of Lakeview Comment
  SEINET208631  Eriogonum heracleoides var. heracleoides W. L. Jepson 1918-8-13 7965 Modoc Eagle Peak, Warner Mts. 3018 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
  UC6380  Eriogonum nudum var. oblongifolium Milo S. Baker 1893-7-20 Modoc 1371 Comment
  CAS-BOT-BC211408  Eriogonum nudum var. pubiflorum Bruce Bartholomew; Barrett Anderson 1988-7-23 4556 Modoc Road beyond Poison Lake ca. 8 km S of the road from U.S. Highway 395 to Lily Lake, Warner Mts.. 2140 Comment
  CAS-BOT-BC211416  Eriogonum nudum var. pubiflorum M. M. Hanna 1956-6-5 Modoc E side of Cedar Pass. Comment
  CAS-BOT-BC211417  Eriogonum nudum var. pubiflorum Robert J. Weatherby 1955-7-8 1637 Modoc 3 miles N of Ft. Bidwell, northern Warner Mts. 1554 Comment
  CAS-BOT-BC211443  Eriogonum nudum var. pubiflorum Roxana Stinchfield Ferris; R. Duthie 1919-6-15 190 Modoc Above Parker Creek near Modoc Nat. Forest. 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
  CHSC92254  Eriogonum nudum var. pubiflorum Richard R. Halse 2004-7-22 6671 Modoc Along U.S. Hwy. 395, ca. 6 miles north of Alturas, on roadside cut. 1341 Comment
  RSA165444  Eriogonum nudum var. pubiflorum Clare B. Hardham 1961-6-19 7842 Modoc Willow Creek. Comment
  RSA176186  Eriogonum nudum var. pubiflorum Noel Holmgren, James L. Reveal 1964-8-21 1717 Modoc Warner Range, Modoc National Forest, about 5 miles southwest of Eagleville on the Eagleville - Likely Road Comment
  RSA210870  Eriogonum nudum var. pubiflorum Robert F. Thorne, C. W. Tilforth 1969-9-4 39052 Modoc Along N Fork of Pit River, 11.8 miles N of Alturas along Highway 395. 1372 Comment
  SEINET11261581  Eriogonum nudum var. pubiflorum Stanley L. Welsh, N. Duane Atwood 2001-6-14 28160 Modoc Along Hwy 395. Ca 6 mi s of Alturas.; 0 Comment
  UC1305824  Eriogonum nudum var. pubiflorum Noel H. Holmgren, James L. Reveal 1964-8-21 1717 Modoc about 5 mi sw on the Eagleville-Likely Road Eagleville; Warner Range, Modoc National Forest Comment
  CAS-BOT-BC211402  Eriogonum nudum var. pubiflorum Frederick H. Frost 1925-7-13 71 Modoc Roadside S of Cedarville, Warner Mts. Comment
  RSA614431  Eriogonum nudum var. pubiflorum R. R. Halse 1991-7-28 4244 Modoc Along State Highway 139, 13 miles NW of its junction with State Highway 299 1469 Comment
  UC727132  Eriogonum nudum var. pubiflorum A. A. Heller 1941-6-26 16222 Modoc 4 mi w along U.S. Highway #299 Canby Comment
  UCD100705  Eriogonum nudum var. pubiflorum Richard R. Halse 1991-7-28 4244 Modoc along State Hwy. 139, 13 miles NW of its junction with State Hwy 299. 1469 Comment
  HSC75596  Eriogonum ovalifolium var. nivale G. M. Riegel 1980-8-20 1073 Modoc S Warner Mtns. 1829 Comment
  RSA239159  Eriogonum prociduum James L. Reveal 1971-6-22 2462 Modoc Along Hwy 395, 3.5 miles north of the jct. of Hwy 395 with Hwy 299, and 1.2 miles north of the Chimney Rock Turnoff. 1402 Comment
  HSC75590  Eriogonum spergulinum var. reddingianum G. M. Riegel 1980-8-6 1000 Modoc South Warner Mtns. 1670 Comment
  RSA27987  Eriogonum sphaerocephalum C. L. Hitchcock 1940-5-27 6656 Modoc 9 miles northeast of Alturas. 1402 Comment
  CAS-BOT-BC211385  Eriogonum sphaerocephalum var. halimioides John Thomas Howell 1934-6-11 11926 Modoc Parker Creek, Warner Mts. 1584 Comment
  CAS-BOT-BC211391  Eriogonum sphaerocephalum var. halimioides Peter Hamilton Raven; Otto Thomas Solbrig 1958-6-18 13317 Modoc Along dirt road 8.8 miles south of Happy Camp Guard Station. Comment
  CHSC67274  Eriogonum sphaerocephalum var. halimioides James D. Jokerst 1990-8-2 3211 B Modoc Hwy. 139 NW of Canby, ca. 300 m N of the road at the SE edge of a large dry lake, within the dry-down zone adjacent to a concrete overflow structure. Comment
  JEPS119668  Eriogonum sphaerocephalum var. halimioides Lowell Ahart, John Dittes 2012-7-11 18344 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
  NY283122  Eriogonum sphaerocephalum var. halimioides B. Anderson 1986-7-9 3159 Modoc Warner Mountains. Highway 299 just west of Cedar Pass. Comment
  UC466004  Eriogonum sphaerocephalum var. halimioides W. P. Taylor and H. C. Bryant 1910-6-26 Modoc Parker Cr. Warner Mountains, Parker Cr. 1920 Comment
  UC705543  Eriogonum sphaerocephalum var. halimioides Marion Ownbey, Fred G. Meyer 1940-7-1 2151 Modoc Cedar Peak Warner Mts., Cedar Peak Comment
  UC190614  Eriogonum sphaerocephalum var. halimioides M. F. Gilman 572 Modoc 1981 Comment
  CAS-BOT-BC211359  Eriogonum strictum subsp. anserinum John Thomas Howell 1934-6-30 12259 Modoc Duncan Horse Camp. 1355 Comment
  CAS-BOT-BC211362  Eriogonum strictum subsp. anserinum Elmer Ivan Applegate 1936-7-5 10524 Modoc Lava Beds National Monument. Junction of Medicine Lake and Indian Cave Road. Comment
  CHSC114008  Eriogonum strictum var. anserinum L. P. Janeway 2014-7-8 11489 Modoc Modoc Plateau. At head of Sibley Draw, 0.5 km north of Sibley Lake (below and north of Dry Creek Rim). 1517 Comment
  UC849663  Eriogonum strictum var. anserinum Lewis S. Rose 1940-6-12 40541 Modoc 6 mi ne Alturas 1341 Comment
  CAS-BOT-BC211368  Eriogonum umbellatum Bruce Bartholomew 1991-8-5 6050 Modoc Summit Trail between Squaw Peak and Cottenwood Lake, crest of the Warner Mts. 2470 Comment
  CAS-BOT-BC211373  Eriogonum umbellatum K. Paulson; Robert Paulson 1988-5-22 7 Modoc Devil's Garden. 1432 Comment
  CAS-BOT-BC267857  Eriogonum umbellatum var. aureum G. D. Hanna; M. M. Hanna 1956-6-5 s.n. Modoc Cedar Pass Comment
  CAS-BOT-BC211329  Eriogonum umbellatum var. dichrocephalum Louis Cutter Wheeler 1935-8-14 3843 Modoc Pine Creek, Warner Mts. 2011 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
  CHSC12943  Eriogonum umbellatum var. modocense K. R. Stern; D. B. Joley, J. G. Geschke 1974-6-23 5835 Modoc On bank of white volcanic tuff on e side of Hwy. 395, ca. 3.5 mi n of intersection with Hwy. 299 and ca. 0.2 mi n of Chimney Rock turnoff. 1389 Comment
  CHSC67125  Eriogonum umbellatum var. modocense James D. Jokerst 1987-5-11 2829 Modoc Radar Survey Site S of Doublehead Mtn., S of Clear lake Reservoir. 1363 Comment
  UCR55660  Eriogonum umbellatum var. modocense G. R. Ballmer 1988-7-21 s.n. Modoc Warner Mtns., Warner Mountains, Bidwell Mountain, c. 3 mi. south of Oregon border in extreme NE corner of state Comment
  CAS-BOT-BC197595  Eriogonum vimineum Frank Warrington Peirson 1926-6-24 6856 Modoc Near a small lake about 3 mi E of Alturus. Comment
  SEINET5332112  Eriogonum vimineum M. J. Williams 1984-7-1 84- 85 -2 Modoc NW of Aturas, 2.1 mi N of Hwy 299, on Chowder Flat Road. 1372 Comment
  CAS-BOT-BC49596  Eriophyllum lanatum Alice Eastwood; John Thomas Howell 1940-6-13 8112 Modoc Surprise Valley. Comment
  CHSC67478  Eriophyllum lanatum var. achilleoides James D. Jokerst 1983-5-31 1810 Modoc Lyneta Ranch Surveys: Adjacent to Hwy. 395 6 mi S of Alturas. 1341 Comment
  HSC81108  Eriophyllum lanatum var. achilleoides G. M. Riegel 1979-7-12 530 Modoc South Warner Mtns. 1739 Comment
  POM318696  Eriophyllum lanatum var. achilleoides Patricia Wilder 1971-6-20 5095 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
  SFV3890  Eriophyllum lanatum var. achilleoides I. L. Wiggins, D. B. Wiggins 1961-6-12 16372 Modoc Warner Mountains Gentle, grassy slope at junction of Cedar Pass Road with California Highway 299. 5.5 miles north of Alturas. 1370 Comment
  UC468952  Eriophyllum lanatum var. achilleoides W. P. Taylor and H. C. Bryant 1910-6-10 Modoc Alturas Warner Mountains, S Fork Pitt River, Alturas 1402 Comment
  SD61001  Eriophyllum lanatum var. achilleoides Darley F. Howe 1964-7-31 Modoc 8.5 miles from entrance to Modoc National Forest, road east of Likely, Warner Mountains. 1555 Comment
  UC186458  Eriophyllum lanatum var. achilleoides Mrs. M. H. Manning 1905-6-12 711 Modoc ne Modoc County Warner Range 1524 Comment
  UC31680  Eriophyllum lanatum var. integrifolium Milo S. Baker 1893-7-1 Modoc Lava Beds Comment
  UC75807  Eriophyllum lanatum var. integrifolium Milo S. Baker 1893-1 Modoc Forestdale Comment
  CAS-BOT-BC498754  Eriophyllum lanatum var. leucophyllum L. S. Smith 1918-7-22 1005 Modoc Modoc Forest, McCarva Ranch, Blue Lake 1828 Comment
  CAS-BOT-BC497220  Erodium Margaret J. Williams; Arnold Tiehm; Jan Nachlinger 1988-6-2 88- 27 -2 Modoc Hwy 395, 0.4 mi E of Susanville road after turn to Alturas Comment
  CAS-BOT-BC21474  Eryngium articulatum Bruce Bartholomew; Barrett Anderson 1988-7-21 4406 Modoc 2.1 km SSE of Day on the road to state Highway 299. 1020 Comment
  RSA0110662  Eryngium articulatum Lowell Ahart, John Dittes 2008-8-25 15285 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
  UC1487324  Eryngium articulatum Lisa Ganio 1981-9-1 18 Modoc at mouth of s.w. drainage of Bayley Reservoir 1584 Comment
  UC809837  Eryngium articulatum G. L. Stebbins Jr. with P. Dansereau, C. McMillan, and K. Narayan 1949-8-7 4012 Modoc 35 mi. s. Tule Lake (Mud Lake); Mud Lake 1524 Comment
  CAS-BOT-BC498688  Eryngium articulatum M. S. Baker; Frank Nutting 1930-8-1 s.n. Modoc Near Forestdale Comment
  CHSC66978  Eryngium mathiasiae James D. Jokerst 1987-6-23 2933 Modoc Radar Survey Site s of Doublehead Mtn., off-site survey at a large dry lake ca. 0.66 mi E of Lone Pine Lake and ca. 1.3 mi S of Doublehead Lake. Comment
  UC1510465  Eryngium mathiasiae Phil Leitner and Barbara Malloch 1983-7-17 Modoc w. of midsection line rd. Modoc Nat'l Forest Comment
  UC1748316  Eryngium mathiasiae James D. Jokerst 1986-8-11 2757 Modoc S of Doublehead Mountain (S of road to Doublehead Mountain) Comment
  UC1748318  Eryngium mathiasiae James D. Jokerst 1986-8-10 2753 Modoc S of Doublehead Mountain (at Rimrock Lake) 1341 Comment
  CAS-BOT-BC184097  Eryngium mathiasiae B. Bartholomew 1989-8-10 5041 Modoc Little Hot Spring Valley, 3.9 km NW of Day 1070 Comment
  UC1487346  Eryngium mathiasiae Y. Sheikh and L. Constance 1973-6-27 551 Modoc 9.8 mi WNW of Canby; State Hwy 139; WWN of Canby, Modoc Co. Comment
  CAS-BOT-BC58332  Erysimum capitatum var. capitatum Bruce Bartholomew; Barrett Anderson 1989-6-3 4897 Modoc ca. 9 km SSW of Timber Mountain. 1370 Comment
  CAS-BOT-BC54941  Erysimum perenne Mrs. H. C. Cantelow 1935-6-8 874 Modoc Northeast of Bieber. Comment
  CAS-BOT-BC229919  Erythranthe guttata R. M. Austin 1894-8-1 s.n. Modoc Lake City Pass. Comment
  CAS-BOT-BC229925  Erythranthe guttata Leland S. Smith 1919-8-18 1135 Modoc Ash Valley. 1463 Comment
  CAS-BOT-BC234476  Erythranthe lewisii K. Paulson; Robert Paulson 1988-7-9 71 Modoc Near Poison Lake, Warner Mts.. 2103 Comment
  CAS-BOT-BC234526  Erythranthe lewisii Bruce Bartholomew; Barrett Anderson 1988-7-22 4537 Modoc Side Creek, W side of Lake City Canyon, E side of the Warner Mts.. 1980 Comment
  CAS-BOT-BC234501  Erythranthe microphylla K. Paulson; Robert Paulson 1988-6-19 44 Modoc Near Cottonwood Flat. 1539 Comment
  CAS-BOT-BC234514  Erythranthe microphylla Bruce Bartholomew 1991-7-6 5985 Modoc Sand Flat on Loveness Logging Road. 1370 Comment
  CAS-BOT-BC234477  Erythranthe moniliformis R. M. Austin 1894-8-1 s.n. Modoc Lassen Creek. Comment
  SEINET13723899 Image available Erythranthe moschata Louise Kellogg, Annie M. Alexander 1946-1 4957 Modoc Eight Mile Creek, northeast corner of county. 1753 Comment
  CAS-BOT-BC234467  Erythranthe pulsiferae Leland S. Smith 1924-5-31 1362 Modoc Egg Lake Ranch. 1310 Comment
  CAS-BOT-BC190756  Eschscholzia californica Bruce Bartholomew; Barrett Anderson 1989-6-3 4917 Modoc 9 km W of County Route 91 along the N side of the Pit River. 1340 Comment
  CAS-BOT-BC190757  Eschscholzia californica Alice Eastwood; John Thomas Howell 1940-6-15 8303 Modoc Lookout. Comment
  CAS-BOT-BC95718  Euphorbia serpillifolia M. Vasey 1990-6-30 9027 Modoc Around NW margin of Egg Lake. 1300 Comment
  CAS-BOT-BC95711  Euphorbia serpillifolia Belknap C. Goldsmith 1912-8-6 84 Modoc W side of Goose Lake. 1463 Comment
  CDA36284  Euphorbia virgata C. Pirosko 2004-1 s.n. Modoc Tulelake area? 0 Comment
  UCD142358  Euphorbia virgata R. N. Raynor 1939-6-2 s.n. Modoc Chace Valley near Adin. Comment
  CAS-BOT-BC15162  Eurybia integrifolia Elmer Ivan Applegate 1932-8-7 8241 Modoc Lily Lake, Bidwell Pass, Warner Mountains Comment
  CAS-BOT-BC15165  Eurybia integrifolia Leland S. Smith 1918-7-15 998 Modoc Mill Creek Corral. 2087 Comment
  CHSC117227  Festuca idahoensis Lowell Ahart; John Dittes 2016-6-6 20941 Modoc About 20 yards west of the dirt road, about 50 yards southwest of the intersection of County Road 87 and Access Road to Pilot Butte Parking Area, northeast base of Pilot Butte, 3.8 miles (air) east of Lookout, 7.5 miles (air) west of Adin, Ash Creek State Wildlife Area. 1271 Comment
  SEINET229939 Image available Festuca idahoensis Leila M. Shultz, John S Shultz 1985-6-23 8593 Modoc Modoc Plateau at the western extension of the Great Basin between Beeler and Duncan reservoirs N of Canby near Hwy 139 1311 Comment
  UC1024717  Festuca idahoensis Leo Whitney 1935-5-18 3084 Modoc 15 mi nw Canby (edge of Lake Joaquina); Modoc National Forest, Lake Joaquina, Hackamore 1463 Comment
  UC1024957  Festuca idahoensis Leo Whitney 1935-7-29 3378 Modoc ca 15 mi nw Canby; Modoc National Forest, Hackamore 1463 Comment
  UCD66113  Festuca idahoensis L. S. Smith 1918-8-18 1042 Modoc Bear Mt. Ridge North. Comment
  UCD66160  Festuca occidentalis L. Whitney 1934-5-29 2248 Modoc Modoc National Forest. Spaulding's Butte near Hackamore, ca. 15 miles northwest of Canby. 1463 Comment
  CAS-BOT-BC278912  Festuca ovina Elmer I. Applegate 1932-8-1 8028 Modoc Summit of Warner Mountains just south of Warren Peak Comment
  HSC9856  Festuca pratensis M. T. Milligan 1964-7-20 160 Modoc N end of Jess Valley, near Mill Creek. 1677 Comment
  JEPS69256  Festuca pratensis Leland S. Smith 1918-1 107 Modoc Comment
  NY1101590  Floerkea proserpinacoides B. M. Bartholomew 1992-5-16 6323 Modoc Lunsford Spring 1600 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
  CAS-BOT-BC214649  Fragaria virginiana Bruce Bartholomew 1994-5-29 6743 Modoc Slopes adjacent to Roney Flat. 1460 Comment
  CAS-BOT-BC191141  Fraxinus latifolia Leland S. Smith 1504 Modoc West side Egg lake edge of lavas. 1310 Comment
  CAS-BOT-BC504372  Fritillaria Mrs. R. M. Austin; Bruce 1898-6-1 2288 Modoc Lake City Mountain Comment
  CAS-BOT-BC242093  Fritillaria pudica Bruce Bartholomew; Barrett Anderson 1988-5-13 4162 Modoc 4 km NW of Pepperdine, gentle W facing slope near top of the Warner Mts.. 1760 Comment
  CHSC75561  Fritillaria pudica V. H. Oswald; B. Corbin, A. Sanger, G. Schoolcraft 1999-6-12 9767 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
  JEPS61942  Fritillaria pudica Frances D. Payne 1932-4-22 386 Modoc s and e of Alturas (Warner Mountains, Parker Creek); Warner Mountains, Parker Creek 1584 Comment
  SEINET8479136  Fritillaria pudica M. J. Williams 1968-5-31 1150 Modoc Cedar Pass. Comment
  UCD124909  Galeopsis tetrahit Herbert L. Mason; Verne Grant 1947-7-12 13417 Modoc Near south end of west side road, Pit River Valley, south of Alturas. Comment
  CAS-BOT-BC225043  Galium aparine Bruce Bartholomew; Barrett Anderson 1989-6-2 4797 Modoc 6.4 km E of Fort Bidwell on road to Fee Reservoir, NE corner of Surprise Valley. 1460 Comment
  CAS-BOT-BC225054  Galium aparine Roxana Stinchfield Ferris; R. Duthie 1919-6-14 38 Modoc Parker Creek, near Modoc National Forest boundary. Comment
  POM367842  Galium asperrimum Christopher Davidson 1975-6-4 s.n. Modoc 2.5. miles W of Cedarville on Hwy 299. 1677 Comment
  UC416663  Galium bolanderi Milo S. Baker 1893-7-8 Modoc south hillside Comment
  CAS-BOT-BC497345  Galium glabrescens subsp. modocense G. Schoolcraft 1999-6-9 2830 Modoc Lower slopes of Warner Mtns., 3.5 mi N of Eagleville 1584 Comment
  UCSB48876  Galium glabrescens subsp. modocense Hardham, Clare 1961-6-18 Modoc 3.2 miles east of SUmmit of Cedar Pass Comment
  JEPS27649  Galium serpenticum subsp. warnerense Ehrendorfer and Stebbins 1959-6-28 5911 Modoc plateau Mt. Bidwell (top and s rim) 2438 Comment
  SEINET3144597  Garrya fremontii E. K. Balls 1950-5-12 14652 Modoc Hillsides N of Bucks Creek Ranger Station, Modoc National Forest, E of Goose Lake 1859 Comment
  RSA101495  Gayophytum decipiens R. Weatherby 1955-7-8 1609 -B Modoc 7 miles north of Ft. Bidwell, northern Warner Mts. 1875 Comment
  RSA563215  Gayophytum diffusum subsp. parviflorum Bruce Bartholomew 1991-7-6 5966 Modoc 2.4 km W of County Road 91 Forest Service road 42N03. 1340 Comment
  POM204162  Gayophytum heterozygum J. T. Howell 1934-6-12 12066 Modoc Fandango Pass, Warner Mountains 1829 Comment
  CAS-BOT-BC190830  Gayophytum humile Bruce Bartholomew 1993-6-14 6655 Modoc 5.5 km E of County Road 114 on County Road 108, NW of Clear Lake Reservoir. 1440 Comment
  CAS-BOT-BC190825  Gayophytum racemosum Leland S. Smith 1922-7-20 1294 Modoc Rush Creek Ranger Station pasture. 1905 Comment
  JEPS27503  Gayophytum racemosum W. L. Jepson 1918-8-7 7889 Modoc Mt. Bidwell 2468 Comment
  NY999596  Gayophytum racemosum M. S. Baker 1894-6-29 s.n. Modoc Big Valley Comment
  CAS-BOT-BC190819  Gayophytum ramosissimum Elmer Ivan Applegate 1936-5-4 10232 Modoc Hospital Rock, Lava Beds National Monument. Comment
  SEINET10635350  Geranium attenuilobum W. T. Frost 1925-7-24 Frost 113 Modoc Jess Valley, Warner Mountains. 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
  CAS-BOT-BC214664  Geum triflorum Elmer Ivan Applegate 1932-8-1 8032 Modoc High summit of Warner Mts. just S of Warren Peak. Comment
  CHSC67129  Geum triflorum James D. Jokerst 1987-5-12 2844 Modoc Radar Survey Site S of Doublehead Mtn., N end of central sector. Vernal pools and margins of woods surrounding pools. Comment
  HSC18640  Geum triflorum M. T. Milligan 1964-6-17 40 Modoc 1 mi. N of Hwy. 139 on FS Rd. 44N15 1524 Comment
  JEPS44853  Geum triflorum Milo S. Baker Jun 18 1893-Jul 16 1893 Modoc Forestdale Comment
  CAS-BOT-BC214674  Geum triflorum John H. Hatton 1911-6-10 17 Modoc Modoc County. 1767 Comment
  HSC80689  Geum triflorum G. M. Riegel 1980-8-13 1064 Modoc S Warner Mtns. 1829 Comment
  RSA59762  Geum triflorum E. K. Balls 1950-5-15 14699 Modoc 6 miles SW of Dry Lake Ranger Station, along railroad. 1280 Comment
  UC1536916  Geum triflorum Gordon H. True Jr. 1938-5-25 916 Modoc Adin Summit 1524 Comment
  RSA454453  Geum triflorum var. ciliatum George Willet 1935-6-25 s.n. Modoc Likely Mtns. 1829 Comment
  CAS-BOT-BC190701  Gilia brecciarum subsp. brecciarum Leland S. Smith 1919-5-4 1085 Modoc Along Likeley road near Fitzhugh Creek. 1524 Comment
  RSA63721  Gilia congesta var. montana Verne Grant, Alva Grant 1950-7-14 8944 Modoc North flank of Cedar peak near summit, Warner Mts., Modoc Co. 2287 Comment
  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
  JEPS69672  Gilia malior Mary H. Manning before Aug. 1918 Modoc Comment
  CAS-BOT-BC190660  Gilia salticola Bruce Bartholomew 1991-5-24 5710 Modoc Surprise Valley, E of Eagleville at the Nevada State boundary. 1520 Comment
  NY964019  Gilia salticola B. M. Bartholomew 1991-5-24 5710 Modoc Surprise Valley, east of Eagleville at the Nevada State boundary 1520 Comment
  CAS-BOT-BC190669  Gilia sinistra subsp. sinistra Roxana Stinchfield Ferris; R. Duthie 1919-6-14 106 Modoc Near spring above Parker Creek, Warner Mts. Comment
  CAS-BOT-BC218304  Glaux maritima Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-13 16448 Modoc Lane to Phipp's Ranch, ca. 14 mi. N of Cedarville. Comment
  SEINET3088579 Image available Glaux maritima Arnold Tiehm, Susan Croft, Jan Nachlinger, Gary Schoolcraft 1984-6-24 8796 Modoc Surprise Valley, Surprise Valley Mineral Wells on east side of Alkali Lake. 1372 Comment
  UC1137158  Glyceria borealis August L. Hormay 1932-8-6 Modoc Comment
  CAS-BOT-BC247695  Glyceria elata Bruce Bartholomew 1989-8-11 5091 Modoc Vicinity of Patterson Ranger Station, S end of Warner Mountains. 2160 Comment
  JEPS69272  Glyceria elata W. L. Jepson 1918-8-12 7945 Modoc South Fork Pass to Jess Valley 1584 Comment
  CAS-BOT-BC49531  Gnaphalium palustre Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10557 Modoc Patterson Ranger Station (East Creek drainage), Warner Mountains. 2164 Comment
  CAS-BOT-BC49533  Gnaphalium palustre Leland S. Smith 1925-1-1 1506 Modoc Happy Camp near Ranger Station. 1371 Comment
  CHSC117252  Gnaphalium palustre Lowell Ahart; John Dittes 2016-7-14 21157 -A Modoc West side of new pond, south of Ash Creek Canal (now filled in), south of Ash Creek State Wild Life Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. 1271 Comment
  UC711857  Gnaphalium palustre Roxana S. Ferris and Laura Lorraine 1941-8-13 10557 Modoc Patterson Ranger Station, East Creek drainage Warner Mountains, Modoc National Forest, East Creek 2164 Comment
  HSC5710  Gnaphalium palustre M. T. Milligan 1964-8-21 230 Modoc S end of Dorris Reservoir Dam 1372 Comment
  CAS-BOT-BC229887  Gratiola heterosepala Bruce Bartholomew 1991-7-6 5975 Modoc Curtis Waterhole and adjacent lava outcrops. 1310 Comment
  UC1191879  Gratiola neglecta Herbert L. Mason and Verne Grant 1947-7-12 13393 Modoc off highway 395 several mi s Alturas (irrigation ditch by Jones' Lane) Comment
  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
  RSA520366  Grayia spinosa Bruce Bartholomew, B. Anderson 1989-4-29 4682 Modoc 9-11 km E of Fort Bidwell on road to Fee Reservoir, NE corner of Surprise Valley. 457 Comment
  UC1540020  Grayia spinosa M. Mitchell 1936-5-15 29 Modoc Lava Beds Nat'l Monument, Petroglyphys 1280 Comment
  UC76029  Grindelia hirsutula Milo S. Baker 1898-1 Modoc Forestdale Comment
  CDA13472  Grindelia nana G. F. Hrusa, T. D. Wilfred 1996-7-21 13319 Modoc Modoc Plateau; adjacent to Pit River at Modoc Co. Rd. 90 bridge. E base of Splawn Mtn. N end of Big Valley. Comment
  CAS-BOT-BC54086  Hackelia cusickii Mrs. H. C. Cantelow 1940-6-2 Modoc 10 mi. NW of Canby on road to Lava Beds National Monument. Comment
  CAS-BOT-BC54087  Hackelia cusickii Clare Butterworth Hardham 1961-6-18 7546 Modoc Hills 3 mi. E of Cedar Pass. 1828 Comment
  UCSB19844  Hackelia cusickii Hardham, Clare 1961-6-18 Modoc Hills 3 miles east of Cedar Pass 1828 Comment
  CAS-BOT-BC54056  Hackelia micrantha Francis Dorris Payne 1931-6-21 225 Modoc Ridge W of Deep Creek, Warner Mountains 1981 Comment
  CAS-BOT-BC54061  Hackelia micrantha Annie Montague Alexander; L. Kellogg 1946-6-14 4764 Modoc Silver Creek branch of Patterson Mill road. 1828 Comment
  HSC80930  Hackelia micrantha G. M. Riegel 1979-7-3 454 Modoc S Warner Mtns. 1670 Comment
  RSA531353  Hackelia micrantha Bruce Bartholomew, B. Anderson 1988-6-24 4302 Modoc Road beyond Poison Lake, ca. 8 km S of the road from Hwy 395 to Lily Lake, Warner Mountains. 2130 Comment
  UC88868  Helianthella californica subsp. nevadensis Milo S. Baker 1893-6-20 Modoc Comment
  POM55333  Helianthella californica var. nevadensis Milo S. Baker 1893-6-20 s.n. Modoc [Unspecified] Comment
  UC971976  Helianthus annuus Annetta Carter 1946-8-18 1775 Modoc 3 mi ne Adin; Round Valley 1402 Comment
  JEPS34872  Helianthus annuus F. H. Frost 1925-7-18 80 Modoc Cedarville roadside 2 mi s Cedarville Comment
  RSA92483  Helianthus cusickii F. W. Peirson 1926-6-26 6902 Modoc between Alturas and Canby Comment
  SEINET11196910 Image available Helianthus cusickii M. J. Williams, A. Tiehm 1988-6-2 88- 28 -5 Modoc Jess Valley, E of Likely, S of roadside rest Comment
  RSA0012973  Helianthus nuttallii subsp. nuttallii Mrs. R. M. Austin 1895-08 587 Modoc Patterson Modoc Comment
  CAS-BOT-BC49380  Hemizonella minima John Thomas Howell 1934-7-1 12312 Modoc Duncan Horse Camp, 6 mi. E of Perez. 1355 Comment
  CHSC106324  Hemizonia lobbii Lowell Ahart; John Dittes 2010-8-31 17094 Modoc On the east side of Elkins Lane, about 50 yards north of the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  CAS-BOT-BC21463  Heracleum lanatum Bruce Bartholomew 1995-7-31 7126 Modoc 6.3 km from Forest Service road 46N30 on Forest Service road 45N34, W side of Warner Mountains. 1920 Comment
  CAS-BOT-BC21468  Heracleum lanatum Isabelo T. Kelly 1930-1-1 50 Modoc Fort Bidwell. Comment
  CAS-BOT-BC180041  Hesperochiron californicus R. M. Austin 1894-1-1 Modoc Goose Lake Valley. Comment
  CDA40308  Hesperochiron californicus M. Charrier 1969-5-25 s.n. Modoc West Valley Reservoir, southeast of Likely. 0 Comment
  UC26093  Hesperochiron californicus Mrs. R. M. Austin June 1894 Modoc lava beds w. Goose Lake Comment
  CAS-BOT-BC180034  Hesperochiron pumilus Mrs. H. C. Cantelow 1941-5-22 Modoc Hwy 299 just S of Adin Pass Summit. Comment
  HSC68795  Hesperochiron pumilus Gary Schoolcraft 1980-4-29 209 Modoc Harper Hill N of Adin 1402 Comment
  SEINET3156116  Hesperochiron pumilus E. K. Balls 1950-5-17 14739 Modoc Howard's Gulch Public Camp, off Hwy. 139, NW of Canby. 1433 Comment
  UC26085  Hesperochiron pumilus Mrs. R. M. Austin 1894-1 Modoc Goose Lake Valley Comment
  CAS-BOT-BC179181  Hesperolinon micranthum Frank Warrington Peirson 1926-6-25 6858 Modoc Cedarville Road, about 10 mi. E of Alturas. Comment
  CAS-BOT-BC179169  Hesperolinon micranthum Mrs. R. M. Austin 1894-8-1 Modoc Hills, Lassen Creek. Comment
  RSA503053  Hesperolinon micranthum Bruce Bartholomew, B. Anderson 1988-6-23 4224 Modoc 2.1 km SSE of Day on the road to State Highway 299. 1020 Comment
  RSA504832  Hesperolinon micranthum Bruce Bartholomew, B. Anderson 1988-7-21 4404 Modoc 2.1 km SSE of Day on the road to state Highway 299 1020 Comment
  UC1212421  Hesperolinon micranthum Herbert L. Mason 1947-8-9 13486 Modoc 33.2 mi e of Alturus (Ridge n of Cedar Camp, near Cedar Pass, Warner Mountains); Warner Mountains Comment
  UC1055935  Heteranthera dubia Herbert L. Mason 1955-8-14 14658 Modoc below Canby; Pit River Comment
  CAS-BOT-BC225788  Heuchera cylindrica Annie Montague Alexander; L. Kellogg 1946-7-3 4902 Modoc Fort Bidwell Creek Canyon, 3.5 mi. W of Fort Bidwell. Comment
  CAS-BOT-BC225790  Heuchera cylindrica Annie Montague Alexander; L. Kellogg 1946-7-29 5089 Modoc Head of Eagle Creek, Warner Mts. Comment
  CAS-BOT-BC225799  Heuchera cylindrica Bruce Bartholomew 1992-8-8 6375 Modoc Vicinity of Patterson Lake, E side of Warner Mountains. 2750 Comment
  HSC20199  Heuchera cylindrica R. C. Wunner 1965-6-19 212 Modoc Lava Beds National Monument, Hidden Valley 1616 Comment
  SEINET201655  Heuchera rubescens var. truncata Arthur Cronquist, Arthur H. Holmgren 1959-6-19 8504 Modoc Atop ridge south of Mill Creek, a little above Clear Lake; Warner Mountains; 15 miles East of Likely 1980 Comment
  CHSC70467  Hieracium albiflorum A. Sanger 1996-7-12 2417 Modoc Found along road 44N69, between 44N69C and 69B. 1975 Comment
  HSC5826  Hieracium albiflorum M. T. Milligan 1966-7-27 592 Modoc Slopes and ridges E of Jess Valley 1707 Comment
  CAS-BOT-BC49477  Hieracium scouleri Bruce Bartholomew 1989-8-12 5116 Modoc South Fork of Pine Creek just N of trailhead to Pine Creek Basin, W side of Warner Mts. 2010 Comment
  CAS-BOT-BC49480  Hieracium scouleri Leland S. Smith 1917-7-18 76 Modoc Soldier Creek, Modoc N.F. 1950 Comment
  CAS-BOT-BC49484  Hieracium scouleri Elmer Ivan Applegate 1932-7-31 7957 Modoc Mill Creek Meadow, Warner Mountains Comment
  CAS-BOT-BC49519  Hieracium scouleri Roxana Stinchfield Ferris; L. Lorraine 1941-8-14 10610 A Modoc Summit of Fandango Pass, on road between Fort Bidwell and Pine Creek, Warner Mtns., Modoc N.F. 1889 Comment
  CAS-BOT-BC49524  Hieracium scouleri Bruce Bartholomew; Barrett Anderson 1988-7-23 4555 Modoc Road beyond Poison Lake ca. 8 km S of the road from U.S. Highway 395 to Lily Lake, Warner Mts.. 2140 Comment
  CAS-BOT-BC49520  Hieracium scouleri Alice Eastwood; John Thomas Howell 1940-6-12 8063 Modoc Betwen Likely and Jess Valley. Comment
  SEINET3147722  Hieracium scouleri L. S. Rose 1940-6-12 40527 Modoc 9 mi E of Likely 1676 Comment
  RSA0016759  Hippuris vulgaris Louis C. Wheeler 1935-9-5 3957 Modoc Tuttle Place, west side Goose Lake 1463 Comment
  SEINET11915820  Holodiscus dumosus M. Ownbey, Meyer, F. G. 1940-1 2155 Modoc Cedar Park, Warner Mtns Comment
  RSA584728  Holosteum umbellatum Bruce Bartholomew, M. Gilbert, L. Skog 1993-5-12 6519 Modoc Ca. 1 km W of Aden on road to Lookout. 1280 Comment
  SJSU9601  Hordeum brachyantherum W. Savage 1979-7-5 1371 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  UCD85267  Hordeum brachyantherum Annie M. Alexander; Louise Kellogg 1946-6-18 4794 Modoc Patterson Mill--Silver Creek roads. 1828 Comment
  CAS-BOT-BC247679  Hordeum jubatum Herbert Louis Mason 1947-8-9 13478 Modoc E side of Fairchild Swamp, N of Alturas. Comment
  CDA32414  Hordeum jubatum T. C. Fuller 1958-7-8 1944 Modoc Likely: Corporation Ranch 0 Comment
  UCD85688  Hordeum jubatum subsp. intermedium Beecher Crampton 1954-7-7 2160 Modoc 2.5 miles east of Alturas. Near Radio Station KCNO. Comment
  UCR136427  Hordeum jubatum var. caespitosum Beecher Crampton 1954-7-7 2160 Modoc Modoc Plateau, 2.5 miles east of Alturas, near radio station KCNO 1341 Comment
  SBBG596  Hordeum marinum subsp. gussoneanum A. A. Beetle 1941-6-29 2839 Modoc near summit of Mt Adin 1828 Comment
  UC1024867  Hordeum murinum subsp. leporinum Leo Whitney 1935-5-30 3159 Modoc White Horse Comment
  CAS-BOT-BC179320  Hydrophyllum capitatum var. alpinum Fred D. Douthitt 1916-4-24 6 Modoc So. Jess Valley. 1524 Comment
  CAS-BOT-BC179329  Hydrophyllum capitatum var. alpinum M. M. Hanna 1956-6-5 963 Modoc Cedar Pass Camp ground. Comment
  CAS-BOT-BC179335  Hydrophyllum capitatum var. alpinum F. Angwin 1946-4-26 Modoc Plateau region, 2 mi. NW of Adin. 1280 Comment
  CAS-BOT-BC180026  Hydrophyllum capitatum var. alpinum Leland S. Smith 1919-5-18 1102 Modoc Jess Valley. 1600 Comment
  CAS-BOT-BC180027  Hydrophyllum capitatum var. alpinum Mrs. H. C. Cantelow 1940-6-1 Modoc Cedar Pass. Comment
  UC71797  Hydrophyllum capitatum var. alpinum Mrs. M. H. Manning 1903-1 87 Modoc se slope Mt. Bidwell (ne Modoc County) Comment
  UC73703  Hydrophyllum capitatum var. alpinum Milo S. Baker 1893-1 Modoc Forestdale Comment
  POM73853  Hydrophyllum capitatum var. alpinum Mrs. R. M. Austin, Bruce 1898-07 2196 Modoc Goose Lake Mountains. Comment
  RSA420898  Hydrophyllum capitatum var. alpinum George Willet 1935-6-21 s.n. Modoc Warren Mountains. 2287 Comment
  RSA59652  Hydrophyllum capitatum var. alpinum E. K. Balls 1950-5-12 14638 Modoc Above Bucks Creek Ranger Station, Modoc National Forest, E of Goose Lake. 1738 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-BC179896  Hypericum scouleri Leland S. Smith 1929-6-1 1436 Modoc Happy Camp. 1524 Comment
  CAS-BOT-BC179897  Hypericum scouleri Leland S. Smith 1920-7-13 1181 Modoc Crowder Flat. 1432 Comment
  UC1713786  Idahoa scapigera Milo S. Baker 1896-5-20 76 Modoc Big Valley, Johnson's Big Valley Comment
  CAS-BOT-BC179104  Iliamna bakeri Dean William Taylor 1988-8-11 10044 Modoc Damon's Butte (ca. 2 mi W of Hwy 139) in summit crater of butte. 1466 Comment
  UC449742  Ipomopsis aggregata Mrs. M. H. Manning 1907-1 Modoc 12 Mile Creek Mt. Bidwell, e side Comment
  CAS-BOT-BC190652  Ipomopsis aggregata subsp. aggregata K. Paulson; Robert Paulson 1989-7-2 163 Modoc Near Grouse Springs. 1621 Comment
  JEPS69740  Ipomopsis congesta Milo S. Baker 1893-8-10 Modoc 1219 Comment
  UC449787  Ipomopsis congesta M. F. Gilman 510 Modoc Comment
  JEPS69741  Ipomopsis congesta subsp. montana Leland S. Smith 1918-8-27 1052 Modoc below Squaw Peak (Milk Creek); Modoc National Forest, Warner Mtns 2438 Comment
  CAS-BOT-BC245099  Iris missouriensis E. S. Willits 1940-5-18 275 Modoc Willow Ranch. Comment
  CAS-BOT-BC245102  Iris missouriensis Gordon H. True 1964-6-3 1449 Modoc Ca. 5 mi. S of Cedarville. 1463 Comment
  CAS-BOT-BC245103  Iris missouriensis Mrs. H. C. Cantelow 1940-6-1 s.n. Modoc Fandango Pass. Comment
  CAS-BOT-BC30188  Isoetes bolanderi Annie Montague Alexander; L. Kellogg 1948-9-21 5624 Modoc 1 mi. SW top of grade between New Pine Creek and Fort Bidwell. 2286 Comment
  NY833802  Ivesia gordonii B. M. Bartholomew 1990-8-4 5643 Modoc Top of pass on Summit Trail, ca. 0.5 km southeast of Patterson Lake, east side of Warner Mountains 2800 Comment
  HSC18689  Ivesia gordonii var. ursinorum M. T. Milligan 1965-7-10 431 Modoc W slopes of Eagle Peak 2591 Comment
  CHSC99252  Juncus ambiguus Lowell Ahart; John Dittes 2008-6-21 15002 Modoc On damp to dry bare soil, around a new man made shallow pond, mountain meadow, in Big Valley, about 3.3 miles (air) north-northeast of the Headquarters at Ash Creek State Wildlife Area, about 6.0 miles (air) northeast of Bieber. 1260 Comment
  UC1100954  Juncus balticus Herbert L. Mason 1947-8-15 13546 Modoc e side Goose Lake (on Willow Ranch); , Mouth of Crane Creek Comment
  CAS-BOT-BC245075  Juncus balticus subsp. ater Herbert Louis Mason; Verne Grant 1947-7-10 13356 Modoc 1/4 mi. W of Dorris Reservoir, 2 mi. E of Alturas. Comment
  CHSC117140  Juncus bufonius var. bufonius Lowell Ahart; John Dittes 2016-7-14 212014 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 Codunty Road 87, 1.73 miles (air) west of Adin, Big Valley. 1273 Comment
  CAS-BOT-BC245065  Juncus confusus Roxana Stinchfield Ferris; L. Lorraine 1941-8-14 10580 Modoc 3 mi. from Patterson Ranger Station on road to Eagleville. Comment
  CHSC109447  Juncus confusus L. P. Janeway; B. Castro 2012-7-25 10985 Modoc Warner Mountains. Slope along north side of Dismal Swamp. 2216 Comment
  UC1601868  Juncus ensifolius Baker and Nutting 1894-7-6 Modoc Dixie Valley Comment
  CAS-BOT-BC245051  Juncus hemiendytus var. hemiendytus Bruce Bartholomew 1991-7-4 5906 Modoc Roney Flat. 1460 Comment
  RSA577912  Juncus hemiendytus var. hemiendytus L. C. Wheeler 1935-8-1 3739 Modoc Dismal Swamp. Twenty Mile Creek, Warner Mountains. 2226 Comment
  CHSC30638  Juncus nevadensis N. E. H. Prouty 1980-7-1 193 Modoc Modoc Nat. Forest. Bear Flat T.S. Along drainage running south from Bear Flat Pond into Soup Creek. 1798 Comment
  CHSC83446  Juncus nevadensis Bill Maslach 2001-7-9 37 Modoc Surprise Valley Rd.; near California/Oregon State line; Twin Lakes, Modoc Co. Near ditch and meadow. 1300 Comment
  HSC14092  Juncus nevadensis M. T. Milligan 1965-6-23 310 Modoc N end Jess Valley 1616 Comment
  UC1601783  Juncus nevadensis Baker and Nutting 1894-7-28 Modoc Bridge Creek Comment
  POM176700  Juncus nevadensis Baker, Nutting 2743 Modoc Unspecified. Comment
  RSA577832  Juncus nevadensis L. C. Wheeler 1935-9-23 4003 Modoc Pease Flat, Devil s Garden. 1524 Comment
  CHSC100395  Juncus trilocularis Lowell Ahart; John Dittes 2008-8-26 15350 Modoc On the bottom of Rose Creek, 750 feet southwest of confluence of Rose Creek and Pit River, on the northwest side of unnamed road,, 2660 feet east of intersection with County Road 85a, 9.3 miles (air) north-northeast of Lookout. 1276 Comment
  SEINET6173599  Juncus trilocularis L. C. Wheeler 1935-9-23 4001 Modoc Pease Flat, Devil's Garden 1524 Comment
  UC1036072  Juniperus communis Annie M. Alexander and Louise Kellogg 1946-7-29 5091 Modoc Head of Eagle Creek Warner Mountains, Eagle Creek (foot of rockslide under lodgepole pine) Comment
  CAS-BOT-BC81206  Juniperus occidentalis Roxana S. Ferris; Rena Duthie 1919-6-13 104 Modoc Parker Creek, Warner Mts. 1981 Comment
  CAS-BOT-BC30151  Juniperus occidentalis var. occidentalis Belknap C. Goldsmith 1910-8-1 17 Modoc Fandango Creek, 3 mi E of Goose Lake. 1584 Comment
  RSA67241  Juniperus occidentalis var. occidentalis Philip A. Munz 1951-9-14 16975 Modoc West base of Warner Mountains, 4.2 miles east of Likely 1418 Comment
  UCR4290  Juniperus occidentalis var. occidentalis Frank C. Vasek 1965-8-31 650831- 02 Modoc 7 mi SW of Canby Comment
  CAS-BOT-BC225086  Kelloggia galioides Annie Montague Alexander; L. Kellogg 1946-7-23 5039 Modoc E slope of Emerson Peak. Comment
  CAS-BOT-BC225087  Kelloggia galioides Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10521 Modoc Patterson Ranger Station (East Creek drainage). 2164 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-BC247644  Koeleria macrantha Bruce Bartholomew; Barrett Anderson 1990-7-19 5394 Modoc Turner Creek at County Rd 90, N end of Big Valley, 6.4 km N of Lassen County border. 1230 Comment
  JEPS74026  Koeleria macrantha Frances D. Payne 1932-6-24 587 Modoc s and e Alturas (Parker Creek); Warner Mountains, Parker Creek 1584 Comment
  RSA534556  Koeleria macrantha Bruce Bartholomew, B. Anderson 1990-7-21 5576 Modoc Homestead Flat, ca. 2.5 km E of Patterson Ranger Station, E side of Warner Mts. 2160 Comment
  UC1137087  Koeleria macrantha August L. Hormay 1932-7-14 Modoc D D plot site Comment
  UCD86012  Koeleria macrantha L. D. Whitney 1935-7-2 s.n. Modoc Badger Well. Comment
  SEINET10598978  Koeleria nitida John S. Shultz 1985-6-23 Shultz 8594 Modoc Modoc Plateau at the western extension of the Great Basin, between Beeler and Duncan reservoirs north of Canby, near Highway 139. Pinus ponderosa-Juniperus occidentalis-Artemisia- Purshia tridentata association; pines laden with lichens. Open area of gravel soils. 1311 Comment
  JEPS6030  Lagophylla ramosissima Frances D. Payne 1931-6-18 192 Modoc s and e of Alturas Parker Creek; Warner Mountains 1584 Comment
  CAS-BOT-BC497215  Lagophylla ramosissima Margaret J. Williams; Arnold Tiehm; Jan Nachlinger 1988-6-2 88- 28 -8 Modoc Jess Valley, E of Likely, S of roadside rest Comment
  JEPS6021  Lagophylla ramosissima Frances D. Payne 1935-7-23 802 Modoc s and e of Alturas Parker Creek; Warner Mountains 1584 Comment
  RSA152634  Lagophylla ramosissima I. L. Wiggins, Dorothy Wiggins 1961-6-12 16375 Modoc At junction of Cedar Pass road with California Highway 299, 5.5 miles N of Alturas. Comment
  CAS-BOT-BC49499  Lagophylla ramosissima subsp. ramosissima Bruce Bartholomew 1989-7-14 4942 Modoc Stone Coal Valley, 3.2 km W of State Hwy 299. 1340 Comment
  CHSC100459  Lagophylla ramosissima subsp. ramosissima Lowell Ahart; John Dittes 2008-8-25 15327 Modoc On the west side County Road 91, 3.9 miles (air) north-northeast of Lookout. 1275 Comment
  CHSC106345  Lagophylla ramosissima subsp. ramosissima Lowell Ahart; John Dittes 2010-8-30 17065 Modoc About 15 yards west of the fence, south edge of the meadow, Ash Creek State Wildlife Area, 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-BC54068  Lappula redowskii Bruce Bartholomew; Barrett Anderson 1989-6-2 4821 Modoc Sand dunes at the SE corder of Upper Alkali Lake, E side of Surprise Valley. 1400 Comment
  CAS-BOT-BC54070  Lappula redowskii Elmer Ivan Applegate 1936-5-4 10235 Modoc Lava Beds National Monument, near Hospital Rock, northern boundary. Comment
  CHSC85155  Lasthenia glaberrima John Dittes; Josephine Guardino 1991-7-21 408 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-BC181982  Lathyrus brownii Roxana Stinchfield Ferris; R. Duthie 1919-6-13 124 Modoc Above Parker Creek, Warner Mts. 2133 Comment
  RSA531339  Lathyrus brownii Bruce Bartholomew, M. Bourell 1990-4-27 5168 Modoc NW side of Rice Flat, 2km S of Adin Pass. 1540 Comment
  SEINET10936979  Lathyrus nevadensis Billy Joe Cox, David B. Dunn 1971-6-3 Cox 2616 Modoc 4 mi s of davis creek on us hwy 395; in very mesic grassladn sedge meadow; Lupines very sparse and approximately a week or more behind th eflowering of Those near alturas. 1402 Comment
  CAS-BOT-BC181975  Lathyrus rigidus L. A. M. Black 1893-6-1 80 Modoc Davis Creek. Comment
  NY716848  Lathyrus rigidus G. Schoolcraft 1998-5-19 2710 Modoc Highway 395 about 9.5 miles north of Davis Creek 1524 Comment
  NY716864  Lathyrus rigidus B. M. Bartholomew 1988-5-14 4185 Modoc 4.5 km south of Davis Creek on U.S. Highway 395, southeast side of Goose Lake 1470 Comment
  UC748301  Lathyrus rigidus Annie M. Alexander and Louise Kellogg 1946-6-14 4768 Modoc Silver Creek branch of Patterson Mill road Silver Creek 1828 Comment
  UC71602  Layia glandulosa M. H. Manning 1894-3 257 Modoc Mt. Bidwell 1524 Comment
  CAS-BOT-BC49454  Layia glandulosa Mrs. H. C. Cantelow 1940-6-2 3348 Modoc W of Alturas on rd. to Lava Beds National Monument. Comment
  POM312463  Lemna trisulca H. L. Mason, Verne Grant 1947-7-12 13432 Modoc Corporation Ranch Headquarters, north of Likely. Comment
  CAS-BOT-BC58665  Lepidium chalepense Bruce Bartholomew 1991-6-20 5772 Modoc Just N of Lassen County line on county road 90. 1220 Comment
  RSA424438  Lepidium latifolium Margaret J. Williams 1984-7-1 84- 89 -1 Modoc NW of Alturas, N of Hwy 299, Crowder Flat road. 1372 Comment
  CAS-BOT-BC58350  Lepidium perfoliatum M. M. Hanna 1956-6-4 Modoc 6 mi. N of Alturas, Cedar Pass Road. Comment
  CAS-BOT-BC58643  Lepidium pubecarpum Bruce Bartholomew 1989-7-14 4956 A Modoc Survice Gulch ca. 3 km NE of Egg Lake. 1340 Comment
  UC683361  Leucocrinum montanum R. C. Wilson 1933-5-23 86 Modoc Pothole Gulch 1341 Comment
  RSA26470  Leucophysalis nana Alice Eastwood, John T. Howell 1940-6-13 8191 Modoc West side of Cedar Pass. Comment
  CAS-BOT-BC197459  Lewisia nevadensis Bruce Bartholomew 1994-7-3 6833 Modoc Edge of Dismal Swamp, N end of Warner Mountains. 2180 Comment
  CAS-BOT-BC197462  Lewisia nevadensis Elmer Ivan Applegate 1932-8-1 8024 Modoc Summit of Warner Mts. just S of Warren Peak. Comment
  UC748125  Lewisia pygmaea Annie M. Alexander and Louise Kellogg 1946-6-8 4698 Modoc road from Eagleville to Patterson Mill 2286 Comment
  CAS-BOT-BC197491  Lewisia rediviva Elmer Ivan Applegate 1932-7-9 7606 Modoc Summit of Bidwell Mountain, Warner Mts. Comment
  HSC26015  Lewisia rediviva D. H. Norris, T. Nelson, S. Dowty 1971-6-23 19371 Modoc Along the S Fork of the Pit River, ~6 mi. E of Likely. Comment
  POM201805  Leymus cinereus Frances D. Payne 78 Modoc Warner Mts. Comment
  UC536798  Leymus cinereus Frances Payne 781 Modoc Warner Mts. Comment
  UCD64232  Leymus cinereus Beecher Crampton; Carl Rimbey 1954-7-8 2177 Modoc Jess Valley, Warner Mountains, 15 mi. east of Likely. Comment
  CAS-BOT-BC247631  Leymus triticoides Leland S. Smith 1922-7-17 1304 Modoc Alturas and valley. 1310 Comment
  JEPS73995  Leymus triticoides Frances D. Payne 1932-7-18 710 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  UC1024976  Leymus triticoides Leo Whitney 1935-7-6 3422 Modoc Crank Springs Comment
  UC1037166  Leymus triticoides Leo Whitney 1935-7-12 3500 Modoc Cottonwood Flat Comment
  UCD64650  Leymus triticoides Beecher Crampton 1954-7-7 2154 Modoc Alturas. Vacant lot behind Niles theatre. Comment
  CAS-BOT-BC21457  Ligusticum grayi Bruce Bartholomew 1992-8-8 6370 Modoc Vicinity of Patterson Lake, E side of Warner Mountains. 2750 Comment
  CAS-BOT-BC242071  Lilium pardalinum subsp. shastense Bruce Bartholomew; Barrett Anderson 1988-7-21 4438 Modoc Above Upper Rush Creek Campground ca. 4 km E of State Highway 299 between Adin and Canby. 1580 Comment
  RSA210884  Limosella acaulis Robert F. Thorne, James Henrickson, C. W. Tilforth 1969-9-4 39109 Modoc N Fork of Pit River 3.4 mi N of Alturas where crossed by Highway 395. 1341 Comment
  CAS-BOT-BC238352  Limosella aquatica John Thomas Howell 1934-6-15 12195 Modoc Dorris Reservoir, 2 miles e. of Alturas Comment
  JEPS127290  Limosella aquatica Lowell Ahart, John Dittes 2016-7-14 21198 Modoc South of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin Big Valley. Comment
  CAS-BOT-BC498675  Linanthus Clare B. Hardham 1961-6-18 s.n. Modoc Warner Muntains. Cedar Pass Comment
  CAS-BOT-BC198050  Linanthus ciliatus Bruce Bartholomew; Barrett Anderson 1988-6-23 4271 Modoc 4.0 km W of Day on County Road 94. 1340 Comment
  CAS-BOT-BC198035  Linanthus harknessii Louis Cutter Wheeler 1935-8-16 3868 Modoc Dismal Swamp. 2225 Comment
  JEPS46256  Linanthus harknessii F. H. Frost 1925-7-11 13 Modoc 2 mi above Cedarville (Cedar Canyon campsite); Cedar Canyon Comment
  UC526130  Linanthus harknessii John Thomas Howell 1934-6-12 12031 Modoc Plum Valley Warner Mts. Comment
  CAS-BOT-BC198029  Linanthus nuttallii subsp. nuttallii Louis Cutter Wheeler 1935-8-5 3789 Modoc Little Lily Lake, Warner Mts. 2286 Comment
  HSC80878  Linanthus pungens G. M. Riegel 1980-8-9 1030 Modoc S Warner Mtns. 1829 Comment
  UCD123896  Linaria dalmatica subsp. dalmatica T. C. Fuller 1963-8-27 11168 Modoc old saw mill site, Sugar Hill Planting, Lassen Creek, ca. 6 miles southeast of Willow Ranch. Comment
  CDA6356  Linaria genistifolia subsp. dalmatica T. C. Fuller 1963-7-16 10908 Modoc Lassen Creek, Sugar Hill Planting, ca. 6 miles southeast of Willow Ranch. 0 Comment
  CDA6369  Linaria vulgaris T. C. Fuller 1963-7-16 10910 Modoc Lassen Creek, Sugar Hill Planting, ca. 6 miles southeast of Willow Ranch. 0 Comment
  CAS-BOT-BC179158  Linum lewisii Elmer Ivan Applegate 1932-8-3 8114 Modoc Dry crest of Warner Mts. near Eagle Peak. Comment
  CAS-BOT-BC179160  Linum lewisii B. Bartholomew; Barrett Anderson 1988-6-24 4314 Modoc Road beyond Poison Lake ca. 8 km S of the road from U.S. Highway 395 to Lily Lake, Warner Mts.. 2130 Comment
  HSC31999  Linum lewisii J. D. Ackerman, A. M. Montalvo 1974-7-5 368 Modoc Confluence of Bolan Creek and Thoms Creek, just W of Cedar Pass, Warner Mtns. Comment
  RSA435717  Linum lewisii George Willet 1935-6-26 s.n. Modoc Jess Valley, Warner Mountains 1829 Comment
  SJSU9571  Linum lewisii var. lewisii W. Savage 1979-7-3 1319 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  UC13523  Listera convallarioides Milo S. Baker 1893-7-16 Modoc Comment
  UC114984  Lithophragma glabrum Mrs. R. M. Austin May 1884 88 Modoc Goose Lake Valley Comment
  CAS-BOT-BC225845  Lithophragma tenellum Elmer Ivan Applegate 1932-8-2 8086 Modoc Mill Creek Meadow, Warner Mts. Comment
  CHSC85192  Lithospermum arvense John Dittes; Josephine Guardino 1991-6-1 348 Modoc Modoc Plateau; Big Valley; Ash Creek Wildlife Area; ca. 7.7 air-miles northeast of Bieber, ca. 4.0 air-miles west by southwest of Adin, ca. 5.0 air-mile east by southeast of Pilot Butte summit, ca. 0.6 mile east of Walters Road and Owl Barn; meadow at southern edge of Ash Creek Floodplain. 1271 Comment
  CAS-BOT-BC54074  Lithospermum ruderale John Thomas Howell 1934-6-11 11962 Modoc Parker Creek, Warner Mountains 1584 Comment
  CAS-BOT-BC54029  Lithospermum ruderale P. Monnet 1913-7-7 Modoc Warner's Range. 1828 Comment
  RSA531361  Lithospermum ruderale Bruce Bartholomew, B. Anderson 1989-4-27 4636 Modoc Ryan Canyon, 6km NW of Adin on road to Dutch Flat. 1370 Comment
  RSA59535  Lithospermum ruderale E. K. Balls 1950-5-20 14804 Modoc 1.2 miles below Mill Creek Falls Public Camp, towards Jess Valley Comment
  RSA59863  Lithospermum ruderale E. K. Balls 1950-5-11 14614 Modoc 2 miles N of Lake City. W of Upper Alkali Lake. 1418 Comment
  CHSC39004  Lomatium bicolor J. D. Jokerst 1983-7-18 1855 Modoc At Miller's Flat NW of Aden. Comment
  CAS-BOT-BC21445  Lomatium bicolor var. leptocarpum Margaret J. Williams 1984-6-30 84- 81 -1 Modoc 9.6 mi. from Gerlach-Cedarville road on Parker Creek rd. Comment
  HSC28527  Lomatium bicolor var. leptocarpum D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19397 Modoc Along Hager Basin Rd. near Big Sage Reservoir. Comment
  UC1563876  Lomatium bicolor var. leptocarpum Barbara Ertter 1989-5-2 8432 Modoc on Hwy. 395 n.e. of Alturas (2.9 mi. n. of junction to Cedarville (Rt. 299)) 1402 Comment
  UC748468  Lomatium bicolor var. leptocarpum Annie M. Alexander and Louise Kellogg 1946-6-26 4839 Modoc n. end Warner Mts., Dismal Swamp 2255 Comment
  CDA38469  Lomatium dissectum T. C. Fuller 1963-6-11 10646 Modoc Little Meadow Campground, South Fork of the Pit River, 7.9 miles east of Likely. 0 Comment
  CAS-BOT-BC30166  Lomatium dissectum var. multifidum John Thomas Howell 1934-6-13 12072 Modoc Fandango Pass. 1828 Comment
  UC71553  Lomatium dissectum var. multifidum Mrs. M. H. Manning 1903-5-8 110 Modoc near Fort Bidwell; n.e. Modoc Co. Comment
  RSA97159  Lomatium dissectum var. multifidum F. W. Peirson 1926-6-25 6870 Modoc Warner Mountains, road to Cedarville, summit of grade Comment
  NY1141374  Lomatium foeniculaceum var. macdougalii B. M. Bartholomew 1995-5-13 6909 Modoc 4.8 km west of Eagleville, east side of the south end of Surprize Valley 1480 Comment
  RSA584730  Lomatium hendersonii Bruce Bartholomew, Gilbert, L. Skog 1993-5-13 6533 Modoc Just W of Mud Lake on road to West Valley Reservoir., 41 12 9N, 120 26 1W 1460 Comment
  POM78500  Lomatium macrocarpum Mrs. R. M. Austin 1895-05 28 Modoc Goose Lake Valley Comment
  UCR51778  Lomatium macrocarpum Christopher Davidson 1975-6-4 2606 Modoc Hwy 299 (toward Cedarville), 2.2 mi. east of hwy 395 1500 Comment
  RSA554796  Lomatium macrocarpum Margaret J. Williams 1988-5-30 88- 26 -1 Modoc Jess Valley, east of Likely, south of roadside rest 1524 Comment
  SEINET229583  Lomatium marginatum Gary Schoolcraft 1981-6-6 378 Modoc Ne of Alturas California 1524 Comment
  CAS-BOT-BC15752  Lomatium nevadense var. nevadense Elmer Ivan Applegate 1937-5-13 11085 Modoc N end of Devils Homestead, Lava Beds National Monument. Comment
  OBI47980  Lomatium nudicaule Rhonda Riggins 1989-4-28 1663 Modoc Pencil Rd. 4.4 mi N of Hwy 395 E of Alturas Comment
  CAS-BOT-BC15730  Lomatium piperi Bruce Bartholomew; M; M. Gilbert; L. E. Skog 1993-5-11 6496 Modoc Junction of Crowder Flat Road and the road to the N side of Big Sage Reservoir. 1580 Comment
  UC643251  Lomatium triternatum var. macrocarpum Alice Eastwood and John Thomas Howell 1940-6-15 8292 Modoc 9 mi. n. Lookout Comment
  UC643303  Lomatium triternatum var. macrocarpum Alice Eastwood and John Thomas Howell 1940-6-12 8087 Modoc Jess Valley Comment
  SEINET10545665  Lomatium triternatum var. macrocarpum Billy Joe Cox, Paul Gallian 1971-6-3 Cox 2613 Modoc 6 mi. N of Alturas on U.S. Hwy 395,. 1341 Comment
  CAS-BOT-BC21414  Lomatium triternatum var. triternatum Bruce Bartholomew 1990-6-18 5370 Modoc SW side of Goose Lake, 2 km N of McGinty Point. 1420 Comment
  CAS-BOT-BC21401  Lomatium vaginatum Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-13 16473 Modoc Roadside 2.4 mi. S of Davis Creek. Comment
  CAS-BOT-BC21403  Lomatium vaginatum Isabelo T. Kelly 1930-1-1 62 Modoc Modoc County. Comment
  POM78253  Lomatium vaginatum Mrs. R. M. Austin 1895-05 27 Modoc Goose Lake Valley Comment
  RSA0049633  Lomatium vaginatum Dean Wm. Taylor 2012-6-5 21223 Modoc Vicinity Crank Spring (11 air miles North of Lookout) 1365 Comment
  UC1187648  Lomatium vaginatum Lincoln Constance, Elwood Molseed, John Weiler 1960-6-13 3679 Modoc bank overlooking e. side of Goose Lake (9 mi. n. of Davis Creek) 1371 Comment
  POM131825  Lonicera conjugialis Milo S. Baker 1893-8-9 s.n. Modoc Medicine L., south hillside. Comment
  CAS-BOT-BC95176  Lonicera involucrata var. involucrata R. M. Austin; C. C. (Mrs.) Bruce 1898-7-1 2355 Modoc Mt. Bidwell. Comment
  UC102335  Lonicera involucrata var. involucrata Mrs. R. M. Austin July 1894 152 Modoc Lassen Creek Comment
  CHSC116081  Lotus corniculatus Lowell Ahart; John Dittes 2015-7-16 20379 Modoc North edge of Ash Creek (destroyed) southeast of gravel pit (destroyed), about 1/8 mile east of parking area on east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  RSA339166  Lotus denticulatus Margaret J. Williams 1984-6-20 84- 82 -2 Modoc 13.4 mi W along Parker Creek Road. 1585 Comment
  CAS-BOT-BC181951  Lotus nevadensis var. nevadensis Bruce Bartholomew 1991-7-6 5983 Modoc W side of Egg Lake between lava beds. 1300 Comment
  CAS-BOT-BC181946  Lotus purshianus var. purshianus M. Vasey 1990-6-30 9042 Modoc Pond along dirt road near Curtis Waterhole, NW of Egg Lake. 1300 Comment
  CAS-BOT-BC181933  Lupinus Bruce Bartholomew; Barrett Anderson 1988-7-22 4521 Modoc S end of Bearcamp Flat, southern end of Warner Mts.. 2230 Comment
  CAS-BOT-BC498665  Lupinus C. B. Wolf 1931-9-4 2398 Modoc At Canby 1325 Comment
  CAS-BOT-BC181897  Lupinus arbustus Roxana Stinchfield Ferris; R. Duthie 1919-6-14 76 Modoc Near Parker Creek. 1828 Comment
  CAS-BOT-BC181906  Lupinus arbustus Mrs. H. C. Cantelow 1940-6-1 Modoc Cedar Pass, E of Alturas. Comment
  CAS-BOT-BC181907  Lupinus arbustus Mrs. H. C. Cantelow 1940-5-31 Modoc East of Indian Springs Comment
  CAS-BOT-BC181912  Lupinus arbustus Betty J. Hammerly 1941-6-20 34 Modoc Clear Lake. 1767 Comment
  CAS-BOT-BC181913  Lupinus arbustus K. Paulson; Robert Paulson 1991-7-27 245 Modoc Sugar Hill area. 2118 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
  NY732856  Lupinus arbustus subsp. calcaratus A. M. Alexander 1946-7-17 5004 Modoc Near Benton Meadow, Warner Mountains 2073 Comment
  CAS-BOT-BC182181  Lupinus argenteus C. P. Smith 1947-6-13 47453 Modoc 1.1 mi. S of Canby, Highway 299. Comment
  CHSC109887  Lupinus argenteus var. argenteus B. Castro; L. P. Janeway 2012-7-25 1960 Modoc Warner Mountains. Slope along N side of Dismal Swamp, along sides of rough gravel road going N out of swamp, just above more mesic sites dominated by Artemisia cana. 2215 Comment
  POM212695  Lupinus argenteus var. argenteus H. P. Bracelin 1931-6-30 500 Modoc Alturas, south end of town. 1524 Comment
  CAS-BOT-BC182084  Lupinus argenteus var. heteranthus Alice Eastwood; John Thomas Howell 1940-6-14 8234 Modoc Near Hackamore. Comment
  CAS-BOT-BC182104  Lupinus argenteus var. heteranthus John Thomas Howell 1934-6-14 12181 Modoc Near North Fork of Baxter Creek, Warner Mts. 1524 Comment
  CAS-BOT-BC182111  Lupinus argenteus var. heteranthus R. M. Austin 1898-7-1 2143 Modoc Modoc County. Comment
  CAS-BOT-BC182123  Lupinus argenteus var. heteranthus Mrs. H. C. Cantelow 1940-6-1 Modoc 7.4 mi. E of Hwy 395 on road to Fandango Pass, Warner Mts. Comment
  CHSC107346  Lupinus argenteus var. heteranthus Lowell Ahart; John Dittes 2011-6-22 17555 Modoc About 50 yards east of the road, about 100 yards northeast of the Pilot Butte Parking Lot, north edge of Ash Creek Floodplain, 1.1 miles (air) south of County road 87, 7.7 miles (air) west of Adin, 10 miles (air) east of Lookout, Big Valley. 1264 Comment
  JEPS119664  Lupinus argenteus var. heteranthus Lowell Ahart, John Dittes 2012-7-11 18338 Modoc About 1/8 mile east of the parking area on the east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. Comment
  JEPS121194  Lupinus argenteus var. heteranthus Lowell Ahart, John Dittes 2013-7-25 18953 Modoc About 10 yards N of the E-W fence, S edge of Ash Creek floodplain, NE of Patterson Homestead, E of Elkins Lane, 1.0 air mile S of County Road 87, 3.14 air miles W of Adin, Big Valley. Comment
  CAS-BOT-BC181896  Lupinus argenteus var. meionanthus Elmer Ivan Applegate 1932-8-1 8043 Modoc Arid E slope of Warren Peak, Warner Mts. 2743 Comment
  SEINET6654510  Lupinus brevicaulis Margaret J. Williams, Arnold Tiehm; Jan Nachlinger 1988-6-2 88- 28 -3 Modoc Jess Valley, E of Likely, So of roadside rest.; 0 Comment
  POM23636  Lupinus caudatus R. M. Austin 1895-07 410 Modoc Goose Lake Valley. Comment
  RSA152424  Lupinus caudatus I. L. Wiggins, Dorothy Wiggins 1961-6-13 16461 Modoc 3 miles west of summit of Fandango Pass across Warner Mountains. Comment
  POM10923  Lupinus densiflorus var. densiflorus M. S. Baker 1898-5-7 34 Modoc Taylor Mountain. Comment
  RSA520379  Lupinus latifolius subsp. latifolius Bruce Bartholomew, B. Anderson 1989-6-1 4753 Modoc Ca. 0.5 km west of Davis Creek on road to south end of Goose Lake. 1460 Comment
  POM266050  Lupinus latifolius subsp. viridifolius C. Leo Hitchcock 1940-5-27 6664 Modoc 15 miles northeast of Alturas. 1616 Comment
  JEPS121191  Lupinus lepidus var. confertus Lowell Ahart, John Dittes 2013-7-25 18966 Modoc 10 yards W of the N-S fence, S edge of Ash Creek floodplain, NE of Patterson Homestead, E of Elkins Lane, 1.0 air mile S of County Road 87, 3.14 air miles W of Adin, Big Valley. Comment
  UCD108243  Lupinus lepidus var. confertus Craig Ely 1975-7-10 s.n. Modoc 30 miles s.e. of Tulelake. Comment
  CAS-BOT-BC181874  Lupinus lepidus var. lobbii Annie Montague Alexander; L. Kellogg 1946-8-9 5133 Modoc Patterson Lake Trail, Warner Mts. Comment
  CAS-BOT-BC181864  Lupinus lepidus var. sellulus Leland S. Smith 1924-6-9 1371 Modoc Egg Lake, Lava Beds West Lava Ranger Station. 1310 Comment
  RSA26494  Lupinus leucophyllus Alice Eastwood, John T. Howell 1940-6-14 8207 Modoc Canby Comment
  UC15911  Lupinus leucophyllus Milo S. Baker 1893-6-20 Modoc Comment
  NY747378  Lupinus leucophyllus var. leucophyllus K. Paulson 1989-7-2 160 Modoc Cottonwood Flat 1448 Comment
  SEINET10491194  Lupinus leucophyllus var. leucophyllus Jeffrey Huber 1971-6-2 Huber 102 Modoc Modoc-lassen co line. 1 Mi. S of adin along calif hwy 139; basalt-clay, grassy Roadside. 1311 Comment
  CAS-BOT-BC181849  Lupinus microcarpus var. microcarpus Elmer Ivan Applegate 1898-5-31 879 Modoc Near Cornell, Tule Lake. Comment
  UC1584000  Lupinus microcarpus var. microcarpus G. Schoolcraft 1990-6-6 2076 Modoc about 10 mi n Alturas (near Joseph Creek); n of Alturas near Joseph Creek 1447 Comment
  RSA614441  Lupinus ruber LeRoy E. Detling 1948-5-24 6253 Modoc Pit River 1463 Comment
  CAS-BOT-BC181809  Lupinus saxosus Bruce Bartholomew; Barrett Anderson 1988-5-14 4194 Modoc 1.3 km S of turn off to Crowder Flats West Side Road, W side of Goose Lake. 1410 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
  UCR67026  Lycopus lucidus George K. Helmkamp 1990-9-23 J- 10 Modoc Warner Mtns, Goose Lake, within 0.1 mi of the Oregon border 1476 Comment
  SD64370  Lycopus lucidus D. F. Howe 1966-8-26 4304 Modoc 1.3 Mi N of Modoc-Lassen Copunty Line, east of Warner Mts. 1341 Comment
  POM229965  Machaeranthera canescens var. shastensis L. C. Wheeler 1935-8-27 3924 Modoc South Mountain, Devil's Garden 1585 Comment
  UC1191987  Madia elegans Verne Grant and Irving Schneider 1947-8-29 8351 Modoc one mi w (downstream) Bridge 305 (Hwy 299, four mi sw of Canby); Pit River Comment
  CHSC106198  Madia elegans subsp. densifolia Lowell Ahart; John Dittes 2010-8-31 17103 Modoc On the west side of Elkins Lane, about 100 yards north of the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  CAS-BOT-BC49435  Madia exigua Bruce Bartholomew 1991-6-20 5777 Modoc 7.5 km E of junction of county roads 87 and 90. 1220 Comment
  UC33230  Madia exigua Mrs. R. M. Austin August, 1894 Modoc Sugar Loaf Hill Comment
  JEPS120510  Madia glomerata L. P. Janeway, B. Castro 2012-7-25 10983 Modoc Warner Mountains. Comment
  JEPS127603  Madia glomerata L. P. Janeway 2014-7-8 11472 Modoc Modoc Plateau. East corner of Dry Creek Rim; along Road 47N08 (Corral Creek Road) 5.1 road km NNw of Road 48, along the W edge of Goose Lake. Comment
  UCD134271  Madia glomerata Herbert L. Mason 1947-8-9 13483 Modoc on east side of Fairchild Swamp, north of Alturas. Comment
  CAS-BOT-BC49376  Madia gracilis Annie Montague Alexander; L. Kellogg 1946-7-12 4980 Modoc Twelve Mile Creek. Comment
  CAS-BOT-BC49417  Madia gracilis Barrett Anderson 1986-7-9 3177 Modoc Warner Mtns., Stough Reservoir Rd juse E of Cedar Pass near Stough Reservoir. 1965 Comment
  UC748165  Madia gracilis Annie M. Alexander and Louise Kellogg 1946-7-12 4980 Modoc ne corner of county Twelve Mile Creek Comment
  RSA540063  Madia gracilis subsp. gracilis Bruce Bartholomew, B. Anderson 1990-7-20 5465 Modoc 4 km N of Buck Creek Ranger Station at turn off to Del Prat Spring, W side of Warner Mts. 1900 Comment
  POM29868  Madia minima Mrs. R. M. Austin 1895-07 550 Modoc Goose Lake Valley. Comment
  NY500375  Mahonia repens B. M. Bartholomew 1989-8-12 5122 Modoc South Fork of Pine Creek where it crosses West Warner Road, west side of Warner Mountains 1900 Comment
  CAS-BOT-BC242030  Maianthemum racemosum E. S. Willits 1940-5-6 219 Modoc Near Lassen Creek, Willow Ranch. Comment
  CAS-BOT-BC242039  Maianthemum racemosum M. M. Hanna 1956-6-5 976 Modoc Cedar Pass. Comment
  CAS-BOT-BC242174  Maianthemum racemosum K. Paulson 1988-6-19 45 Modoc Cedar Springs area. 1539 Comment
  CAS-BOT-BC242164  Maianthemum stellatum Alice Eastwood; John Thomas Howell 1940-6-12 8055 Modoc Between Likely and Jess Valley. Comment
  RSA59523  Maianthemum stellatum E. K. Balls 1950-5-21 14817 Modoc Around South Fork Public Camp, South Fork Pit River, Likely to Jess Valley 1433 Comment
  UC18742  Malva neglecta M. S. Baker and Frank Nutting 1894-6-4 Modoc Little Hot Spring Valley Comment
  UC1536820  Marsilea vestita subsp. vestita Gordon H. True Jr. 1939-6-6 1035 Modoc near Lookout (Gooch Swamp) Comment
  JEPS65520  Medicago lupulina Frances D. Payne 1931-6-17 178 Modoc s and e of Alturas (Warner Mountains, Parker Creek); Warner Mountains, Parker Creek 1584 Comment
  CAS-BOT-BC247628  Melica Elmer Ivan Applegate 1932-7-31 7987 Modoc Mill Creek Meadows. Comment
  UC70657  Melica fugax Mrs. M. H. Manning May 1904 424 Modoc ne Modoc County Comment
  UCD87266  Melica fugax Beecher Crampton; Carl Rimbey 1954-7-7 2139 Modoc West side of Cedar Pass, Warner Mountains. 1889 Comment
  SEINET10925516  Melica stricta F. Marion Ownbey, Fred G. Meyer 1940-7-1 Ownbey 2152 Modoc In Protection Of East Facing Rock Ledges, Cedar Peak, Warner Mts. Comment
  UCD88671  Melica subulata R. Tofsrud 1947-7-1 251 Modoc 5 mi. W of Ft. Bidwell. Comment
  CAS-BOT-BC179864  Mentha arvensis Bruce Bartholomew; Barrett Anderson 1988-7-21 4420 Modoc S end of Whitehorse Flat Reservoir. 1340 Comment
  UC1191898  Mentha canadensis Herbert L. Mason 1947-8-9 13484 Modoc n Alturas (e side of Fairchild Swamp); e side of Fairchild Swamp Comment
  JEPS86352  Mentzelia dispersa Jack and Betty Guggolz 1988-6-28 961 Modoc n Jenkins Spring Comment
  SEINET195717  Mentzelia dispersa Unknown 1946-6-12 4736 Modoc Fandango Pass road 1676 Comment
  UC1563715  Mentzelia dispersa Barbara Ertter 1988-6-18 7608 Modoc NE Dry Lake (W side hwy 139 just S of where it crosses railroad at jct to Clear Lake,); E of lava Beds Nat'l Monument 1249 Comment
  UC19573  Mentzelia dispersa Mrs. R. M. Austin and Bruce July 1898 2367 Modoc Goose Lake Comment
  CAS-BOT-BC179128  Mentzelia laevicaulis Bruce Bartholomew; Barrett Anderson 1990-7-21 5557 Modoc W edge of Middle Alkali Lake, directly E of Cedarville, Surprise Valley. 1370 Comment
  UC711841  Mentzelia laevicaulis var. laevicaulis Roxana S. Ferris and Laura Lorraine 1941-8-14 10608 Modoc on road between Fort Bidwell and Pine Creek (East slope of Fandangao Pass near base of pass.); Warner Mountains Comment
  CAS-BOT-BC179123  Mentzelia montana Annie Montague Alexander; L. Kellogg 1946-7-7 4946 Modoc Eight Mile Creek. 1752 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-BC54042  Mertensia ciliata Bruce Bartholomew 1991-6-21 5802 Modoc Vicinity of Lily Lake, N end of the Warner Mountains. 2030 Comment
  CAS-BOT-BC54001  Mertensia longiflora Francis Dorris Payne 1932-5-27 408 Modoc Parker Creek. 1584 Comment
  HSC28522  Mertensia oblongifolia D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-22 19323 Modoc Soup Springs Campground Comment
  CAS-BOT-BC54008  Mertensia oblongifolia var. amoena Bruce Bartholomew 1994-5-28 6724 Modoc Between Joseph Creek Basin and Halls Meadow, W side of Warner Mts. 1880 Comment
  CAS-BOT-BC54010  Mertensia oblongifolia var. amoena Francis Dorris Payne 1929-7-7 57 Modoc Pine creek Basin. 2316 Comment
  CAS-BOT-BC54014  Mertensia oblongifolia var. nevadensis E. H. Steffen 1917-6-9 29 1/2 Modoc Jess Valley. 1981 Comment
  RSA59969  Mertensia oblongifolia var. nevadensis E. K. Balls 1950-5-13 14684 Modoc West shore of Goose Lake, 0.5 mile south of Oregon-California State line 1463 Comment
  JEPS70777  Mertensia oblongifolia var. nevadensis Steffen 1917-6-9 29 A Modoc Modoc Forest, Jess Valley 1981 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
  CAS-BOT-BC58777  Mertensia oblongifolia var. oblongifolia Bruce Bartholomew 1992-5-15 6301 Modoc Tamarack Flat, E side of the Warner Mountains. 2160 Comment
  CAS-BOT-BC225952  Micranthes nidifica Annie Montague Alexander; L. Kellogg 1946-6-30 4879 Modoc Highgrade, W side of ridge, N end of Warner Mts. 2377 Comment
  CAS-BOT-BC225958  Micranthes nidifica Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-11 6509 Modoc Ca. 3 km S of Oregon border on Forest Service Rte. 7. 1720 Comment
  CAS-BOT-BC225960  Micranthes nidifica Mrs. H. C. Cantelow 1941-5-23 3533 Modoc E of Adin Pass Summit between Adin Canby, Hwy 299. 1576 Comment
  CAS-BOT-BC225969  Micranthes oregana Bruce Bartholomew 1991-8-5 6041 Modoc Squaw Peak Trail on N side of Squaw Peak, E side of Warner Mts. 2420 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-BC49399  Microseris nutans Annie Montague Alexander; L. Kellogg 1946-6-14 4750 Modoc Meadow, branch to Silver Creek, Patterson Mill Road. 1828 Comment
  CHSC67085  Microseris nutans James D. Jokerst 1987-5-12 2843 Modoc Radar Survey Site S of Doublehead Mtn., N end of central sector. Comment
  RSA0049627  Microseris nutans Dean Wm. Taylor 2012-6-5 21216 Modoc Vicinity Crank Spring (11 air miles North of Lookout) 1365 Comment
  UC748133  Microseris nutans Annie M. Alexander and Louise Kellogg 1946-7-17 5003 Modoc Benton Meadow Warner Mountains 2072 Comment
  RSA164319  Microseris nutans Clare B. Hardham 1961-6-18 7590 Modoc Cedar Pass. 1829 Comment
  RSA504658  Microseris nutans Bruce Bartholomew, B. Anderson 1988-7-23 4580 Modoc Dismal Swamp, Warner Mountains. 2180 Comment
  RSA607253  Microseris nutans L. C. Wheeler 1935-8-16 3883 Modoc Dismal Swamp, Twenty Mile Creek. Warner Mountains. Mt. Diablo Mer 2226 Comment
  UC35775  Microseris nutans M. S. Baker and Frank Nutting 1894-6-20 Modoc Whitehorse Lake Comment
  CAS-BOT-BC197895  Microsteris gracilis John Thomas Howell 1934-6-12 12023 Modoc Plum Valley. Comment
  CAS-BOT-BC197905  Microsteris gracilis Bruce Bartholomew 1990-6-15 5242 Modoc Top of Manzanita Mountain in vicinity of Manzanita Lookout. 2130 Comment
  HSC17123  Microsteris gracilis M. T. Milligan 1966-5-14 612 Modoc Plateau W of Jess Valley 1829 Comment
  UC27096  Mimulus breviflorus Mrs. R. M. Austin June, 1894 Modoc Willow Creek Comment
  UCSB21215  Mimulus breviflorus Hardham, Clare 1961-6-17 Modoc Cedar Pass Campground; Warner Mountains Comment
  UC125255  Mimulus breweri Mrs. R. M. Austin Sept. 1894 Modoc Cedarville Canyon Comment
  JEPS3552  Mimulus cusickii G. Dallas Hanna 1952-9-20 Modoc Conklin Canyon Warner Mountains Comment
  UCD122533  Mimulus cusickii S. E. Schoenig 1998-7-4 98- 67 Modoc N side of Granger Cyn. Rd.,1.5 mi W of Surprise Valley Rd. This intersection being 3.7 miles S of Hwy 299 at Cederville. 1493 Comment
  CDA41438  Mimulus evanescens S. E. Schoenig 1998-7-5 98 -70 Modoc Southwest shore of Moll Reservior. Comment
  JEPS127294  Mimulus evanescens Lowell Ahart, John Dittes 2016-7-14 21183 Modoc South of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin Big Valley. Comment
  HSC20751  Mimulus guttatus M. T. Milligan 1965-6-23 298 Modoc N end Jess Valley 1616 Comment
  RSA503045  Mimulus lewisii K. Paulson, R. Paulson 1988-7-9 71 Modoc Near Poison Lake, Warner Mountains. 2104 Comment
  RSA293355  Mimulus lewisii Reino Alava 1957-7-5 1159 Modoc Cedar Pass, Modoc National Forest. Warner Mountains. Comment
  RSA503241  Mimulus lewisii Bruce Bartholomew, B. Anderson 1988-7-22 4537 Modoc Side Creek, W side of Lake City Canyon, E side of the Warner Mountains. 1980 Comment
  UC446466  Mimulus lewisii M. F. Gilman 526 Modoc Warner Mts. 1981 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
  JEPS28993  Mimulus microphyllus Frances D. Payne 1931-6-12 154 Modoc w slope Warner Mountains; Parker Creek watershed 1584 Comment
  UC445163  Mimulus nanus var. jepsonii Franklin P. Nutting 1893-6-8 Modoc near Egg Lake Comment
  UC1562679  Mimulus nanus var. nanus Barbara Ertter 1988-6-18 7613 Modoc ca. 50 air mi sw Klamath Falls (Hwy 139, a few mi n of Agric. Inspection Station, 1 mi s of s jct to Lava Beds National Monument e of Tonesta) 1310 Comment
  JEPS4012  Mimulus nanus var. nanus Mary H. Manning 1914-4-29 Modoc near Lake City (Lake City Road, by Rice's Ranch) Comment
  UC27804  Mimulus primuloides Milo S. Baker 1893-7-2 Modoc near Forestdale Comment
  UCR34779  Mimulus primuloides J. A. Harpel 1981-8-6 V- 7 Modoc Warner Mtns, South Warner Wilderness Area: E end of Patterson Lake, 7 mi NW of Eagleville 2744 Comment
  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
  CAS-BOT-BC95216  Minuartia nuttallii Annie Montague Alexander; L. Kellogg 1946-7-30 5093 Modoc Eagle Peak, Warner Mts. Comment
  CHSC109493  Minuartia nuttallii var. gracilis L. P. Janeway; B. Castro 2012-7-26 11008 Modoc Warner Mountains. Top of Yellow Mountain; topmost part and western edge (at the edge of a steep dropoff to the northwest). 2463 Comment
  SBBG19108  Minuartia nuttallii var. gregaria C. B. Hardham 1961-6-20 7886 Modoc Bidwell Rd to Dismal Crk 2438 Comment
  UCR138445  Mitella pentandra David A. Charlet 1989-8-16 540 Modoc Warner Mountains. 11 km NW of Eagle Peak, Rock Spring 2015 Comment
  CAS-BOT-BC179372  Monardella odoratissima subsp. glauca Bruce Bartholomew 1989-7-14 4965 Modoc Survice Gulch ca. 3 km NE of Egg Lake. 1340 Comment
  RSA17430  Monardella odoratissima subsp. glauca Elmer I. Applegate 1932-8-6 8217 Modoc Near summit of Yellow Mountain, near Lily Lake, Bidwell Pass, Warner Mountains. Comment
  UC25490  Monardella odoratissima subsp. glauca Milo S. Baker 1893-7-8 Modoc Comment
Read comments
Oct 10 2006
  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-BC179362  Monardella odoratissima subsp. pallida Leland S. Smith 1924-6-8 1387 Modoc Lavas W of Lava Ranger Station and Egg Lake. 1310 Comment
  CAS-BOT-BC220237  Monardella sheltonii M. S. Baker 1893-1-1 s.n. Modoc N.E. Egg Lake Comment
  CAS-BOT-BC197478  Montia chamissoi Bruce Bartholomew 1994-7-2 6803 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-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
  UC932076  Montia chamissoi Verne Grant, Alva Grant 1947-7-11 8010 Modoc Thoms Creek near forest service camp site on road from Alturas to Cedar Pass; Warner Mountains, Thoms Creek Comment
  CAS-BOT-BC197544  Montia linearis Roxana Stinchfield Ferris; R. Duthie 1919-6-14 42 Modoc Parker Creek near Modoc Nat. Forest Boundary. Comment
  UC1523705  Montia linearis Gary Schoolcraft 1981-5-6 377 Modoc n of Alturus 1524 Comment
  UC412633  Montia linearis Franklin P. Nutting 1894-6-8 Modoc near Egg Lake; Northern California Comment
  UC7866  Montia linearis Mrs. R. M. Austin 1894-1 Modoc Northern California, Modoc County Northern California; , Modoc County Comment
  RSA210777  Muhlenbergia asperifolia R. F. Thorne, J. Henrickson, C. W. Tilforth 1969-9-3 39016 Modoc SE end of Tule Lake Sump 0.5 miles N of turnoff to Lava Beds National Monument, (2.2 miles E of NE entrance to monument) 1265 Comment
  CAS-BOT-BC247571  Muhlenbergia asperifolia Herbert Louis Mason 1947-8-15 13542 Modoc Mouth of Crane Creek on Willow Ranch. Comment
  JEPS119854  Muhlenbergia richardsonis Lowell Ahart, John Dittes 2012-7-10 18325 Modoc Ash Creek State Wildlife Area, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley. Comment
  JEPS118476  Myosurus minimus Lowell Ahart, John Dittes 2011-6-21 17519 Modoc About 130 yards west of the fence, south edge of the meadow, Ash Creek State Wildlife Area, about 2,300 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley 1267 Comment
  CAS-BOT-BC180056  Myriophyllum hippuroides Bruce Bartholomew 1995-7-30 7073 Modoc Drainage from Taylor Reservoir just E of junction of County roads 93 and 94. 1260 Comment
  UC1101500  Myriophyllum sibiricum Herbert L. Mason and Verne Grant 1947-8-13 13531 Modoc n.e. side of F reservoir n. of Canby Comment
  CHSC112790  Najas flexilis Lowell Ahart; John Dittes, Todd Sloat 2013-6-8 18764 Modoc Drainage, about 300 yards northeast of the Parking Area, northeast of the old barn, Ash Creek State Wildlife Area, about 3.9 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  JEPS120885  Najas flexilis Lowell Ahart, John Dittes, Todd Sloat 2013-6-8 18764 Modoc About 300 yards NE of Parking Area, NE of the old barn, Ash Creek Wildlife Area, about 3.9 air miles W of Adin, about 7.7 air miles NE of Bieber. Big Valley. Comment
  CAS-BOT-BC179315  Nama densa Bruce Bartholomew 1990-6-17 5335 Modoc Surprise Valley, SE corner of Upper Alkali Lake. 1390 Comment
  CAS-BOT-BC198015  Navarretia breweri Annie Montague Alexander; L. Kellogg 1946-7-7 4933 Modoc Eight Mile Creek, NE corner of county. 1752 Comment
  RSA73726  Navarretia breweri Alice Eastwood, J. T. Howell 1940-6-13 8133 Modoc West side of Fandango Pass. Comment
  UC908397  Navarretia breweri Louis C. Wheeler 1935-8-16 3869 Modoc Dismal Swamp Warner Mts., Twenty-mile Creek 2225 Comment
  HSC17135  Navarretia breweri M. T. Milligan 1964-6-20 69 Modoc 4 mi. E of Hwy. 395 on Hwy. 299 1524 Comment
  CAS-BOT-BC197976  Navarretia intertexta subsp. propinqua Bruce Bartholomew; Barrett Anderson 1990-7-19 5433 Modoc Sweagert Flat. 1860 Comment
  CAS-BOT-BC197977  Navarretia intertexta subsp. propinqua John Thomas Howell 1934-6-15 12199 Modoc Dorris Reservoir, 2 mi. E of Alturas. Comment
  POM261442  Navarretia intertexta subsp. propinqua Alice Eastwood, J. T. Howell 1940-6-13 8131 Modoc West side of Fandango Pass. Comment
  RSA165590A  Navarretia intertexta subsp. propinqua Clare B. Hardham 1961-6-19 7840 Modoc Willow Creek. Warner Mountains. Comment
  UC1106905  Navarretia intertexta subsp. propinqua Herbert L. Mason 1947-7-10 13331 Modoc 2 air mi e Alturas; Dorris Reservoir Comment
  JEPS77519  Navarretia leucocephala subsp. leucocephala L. R. Heckard with T. I. Chuang and R. C. Bacigalupi 1978-7-19 4889 Modoc about 3 mi sw Patterson Ranger Station (just n of Lassen County line); Warner Mts. 2011 Comment
  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
  UC908645  Navarretia leucocephala subsp. minima Louis C. Wheeler 1935-8-2 3746 Modoc Twelve-mile Creek Warner Mts. 2194 Comment
  UCD37473  Navarretia modocensis Beecher Crampton 1960-6-17 5696 Modoc Modoc County, 13 miles west of Canby, 2.5 miles northeast of Happy Camp Station, McKay Flat. 1280 Comment
  RSA150284B  Navarretia sinistra A. J. Cronquist, Arthur H. Holmgren 1959-6-20 8522 Modoc Warner Mountains: at Cedarville Pass, between Cedarville and Alturas. 1921 Comment
  RSA0049636  Nemacladus capillaris Dean Wm. Taylor 2012-6-19 21244 Modoc Mouth of Baggett Gulch (ca 3 air miles S of Canby), Modoc National Forest 1463 Comment
  JEPS100953  Nemophila breviflora Dean Wm. Taylor with Glenn L. Clifton 1990-6-25 11167 Modoc Cedar Pass, growing on steep cliffs of volcanic breccia, northerly slopes of Peak 7298 2148 Comment
  RSA534606  Nemophila parviflora var. austiniae Bruce Bartholomew 1991-5-23 5689 Modoc 0.5 km east of Day on County Road 94. 1050 Comment
  CAS-BOT-BC179294  Nemophila pedunculata Edward Kent Balls 1950-5-18 14758 Modoc N of Upper Rush Creek Public Camp, 2.5 mi. E of Hwy 299. 1737 Comment
  UC336782  Neoholmgrenia andina unknown Modoc Honey Lake Valley Comment
  UC86616  Nestotus stenophyllus Mrs. R. M. Austin May, 1894 31 Modoc Goose Lake Valley Comment
  RSA565101  Nestotus stenophyllus D. W. Taylor, Glenn L. Clifton 1992-5-7 12522 Modoc 0.5 miles E of Duncan Reservoir, on western rim of Black Canyon. 1524 Comment
  CAS-BOT-BC245374  Nicotiana attenuata Isabelo T. Kelly 1930-1-1 38 Modoc Cowhead Lake, NE of Fort Bidwell. Comment
  NY962860  Nicotiana attenuata B. M. Bartholomew 1990-7-21 5550 Modoc West edge of Middle Alkali Lake, directly east of Cedarville, Surprise Valley 1370 Comment
  UC103909  Nicotiana attenuata Mrs. R. M. Austin Jul 1894 97 Modoc Chalk Grade Pit River (Pit River) Comment
  CAS-BOT-BC58641  Noccaea fendleri subsp. glauca Annie Montague Alexander; L. Kellogg 1946-8-9 5127 Modoc Patterson Lake Trail, Warner Mts. Comment
  CAS-BOT-BC190810  Oenothera deltoides subsp. piperi Bruce Bartholomew 1990-6-17 5314 Modoc Surprise Valley, 6.8 km W of Eagleville. 1390 Comment
  NY998650  Oenothera deltoides var. piperi B. M. Bartholomew 1989-6-2 4836 Modoc 6.4 km east of Eagleville on the road to the California state border, east side of Surprise Valley 1550 Comment
  POM257273  Oenothera elata subsp. hirsutissima F. H. Frost 1925-7-24 111 Modoc Jess Valley, Warner Mountains Comment
  CAS-BOT-BC245088  Olsynium douglasii var. douglasii Bruce Bartholomew; Barrett Anderson 1988-5-13 4155 Modoc Along Parker Creek Road, 0.5 km W of West Warner Road on Parker Creek Road, W side of the Warner Mts.. 1650 Comment
  CAS-BOT-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
  JEPS64297  Olsynium douglasii var. douglasii L. S. Smith 1918-5-18 927 Modoc Cedarville road e Alturas 1676 Comment
  CHSC114679  Onopordum acanthium D. B. Joley 1976-5-23 2 Modoc Adin. Comment
  HSC80905  Orobanche fasciculata G. M. Riegel 1980-6-30 780 Modoc S Warner Mtns. 1829 Comment
  CAS-BOT-BC190784  Orobanche uniflora Bruce Bartholomew; L. E. Skog; M. Gilbert 1993-5-13 6536 Modoc Just W of Mud Lake on road to West Valley Reservoir. 1460 Comment
  SJSU8384  Orobanche uniflora R. L. Fisher 1958-6-13 Modoc near Adin Pass c. 6 mi S of Canby 1524 Comment
  JEPS10853  Orobanche uniflora subsp. occidentalis E. H. Steffen 1917-6-10 39 Modoc Jess Valley, Warner Mts. Comment
  CAS-BOT-BC95700  Orthilia secunda Bruce Bartholomew 1989-8-12 5120 Modoc South Fork of Pine Creek where it crosses West Warner Road, W side of Warner Mountains. 1900 Comment
  CAS-BOT-BC232320  Orthocarpus cuspidatus subsp. copelandii Bruce Bartholomew; Barrett Anderson 1988-7-23 4558 Modoc Road beyond Poison Lake ca. 8 km S of the road from U.S. Highway 395 to Lily Lake, Warner Mts.. 2140 Comment
  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
  RSA531360  Orthocarpus lacerus Bruce Bartholomew, B. Anderson 1989-6-1 4725 Modoc Shake Spring. NW side of Shaffer Mtn. 1500 Comment
  UC726143  Orthocarpus luteus A. A. Heller 1940-6-30 15745 Modoc along U.S. Highway #299, 8 mi w Alturas; w of Alturas Comment
  JEPS86369  Osmorhiza berteroi Jack and Betty Guggolz 1988-6-28 956 Modoc w Jenkins Spring Comment
  CAS-BOT-BC15746  Osmorhiza occidentalis Barrett Anderson 1986-7-9 3152 Modoc Hwy 299 just W of Cedar Pass. 1920 Comment
  UC21056  Osmorhiza occidentalis Mrs. R. M. Austin and Bruce June, 1898 2263 Modoc Lake City Mt. Comment
  POM82804  Osmorhiza occidentalis Mrs. R. M. Austin 502 Modoc Davis Creek Comment
  CAS-BOT-BC50307  Packera cana John Thomas Howell 1934-6-12 12015 Modoc Between Davis Creek and Plum Valley. Comment
  CAS-BOT-BC50349  Packera cana Harry Dwight Dillon Ripley; Rupert Charles Barneby 1944-5-31 5995 Modoc NW of Alturas. 1524 Comment
  HSC6104  Packera cana M. T. Milligan 1966-8-3 628 Modoc W slope of Eagle Peak 2439 Comment
  JEPS5947  Packera cana Frances D. Payne 1931-6-11 151 Modoc s and e of Alturas; Warner Mountains, Parker Creek 1584 Comment
  UC1035973  Packera eurycephala Helen K. Sharsmith 1955-6-25 4507 Modoc n slope Jess Valley; Warner Mountains, Modoc National Forest 1584 Comment
  JEPS5948  Packera eurycephala Frances D. Payne 1931-6-8 186 Modoc s and e of Alturas; Warner Mountains, Parker Creek 1584 Comment
  CAS-BOT-BC50270  Packera eurycephala var. eurycephala Annie Montague Alexander; L. Kellogg 1946-6-17 4786 Modoc Cedar Pass road. 1767 Comment
  CAS-BOT-BC50322  Packera eurycephala var. eurycephala R. M. Austin; C. C. (Mrs.) Bruce 1898-6-1 2185 Modoc Likely. Comment
  RSA59800  Paeonia brownii E. K. Balls 1950-5-17 14736 Modoc Howard's Gulch Public Camp, off Hwy. 139. N.W. of Canby. 1433 Comment
  SEINET195691 Image available Paeonia brownii Annie M. Alexander, Louise Kellogg 1946-6-15 4778 Modoc Deep Creek 2160 Comment
  JEPS52292  Paeonia brownii Wayne Roderick 1963-6-9 Modoc about 1/2 mi above campground on east side of pass; Cedar Pass 1981 Comment
  JEPS60651  Paeonia brownii Frances D. Payne 1929-7-7 68 Modoc 2 mi sw Mt. Warren (se Modoc Co.); Pine Creek Basin 2133 Comment
  JEPS60654  Paeonia brownii Milo S. Baker 1893-6-1 Modoc Comment
  CAS-BOT-BC232315  Pedicularis attollens K. Paulson; Robert Paulson 1989-7-4 168 Modoc Ca. 1 mi. S of Patterson Ranger Station, S end of Warner Mts. 2127 Comment
  UC447222  Pedicularis attollens Franklin P. Nutting 1893-6-22 Modoc Forestdale Comment
  HSC80738  Pedicularis semibarbata G. M. Riegel 1980-7-12 863 Modoc S Warner Mtns. 1670 Comment
  UC27332  Pedicularis semibarbata Milo S. Baker 1893-6 Modoc Medicine Lake Comment
Read comments
Jun 3 2009
  CHSC109496  Penstemon davidsonii var. davidsonii L. P. Janeway; B. Castro 2012-7-26 11009 Modoc Warner Mountains. Top of Yellow Mountain; topmost part and wster edge (at the edge of a steep dropoff to the northwest). 2463 Comment
  UC1594766  Penstemon davidsonii var. davidsonii David Charlet 1988-8-12 153 Modoc Warner Peak South Warner Mountains 2956 Comment
  UC1586980  Penstemon deustus Juha Pykala and D. H. Norris 1987-5-27 1037 Modoc between Lower Rush Creek Campground and Upper Rush Creek Campground; Modoc National Forest 1493 Comment
  UC573267  Penstemon deustus M. H. Mitchell 1936-5-21 49 Modoc 2 mi SE Hospital Rock; Modoc Lava Beds Natl. Mon., Dorris Quadrangle 1249 Comment
  UC748177  Penstemon deustus Annie M. Alexander and Louise Kellogg 1946-6-28 4868 Modoc Pine Creek Canyon , Pine Creek Canyon (n end of Warner Mountains) 1615 Comment
  CAS-BOT-BC232329  Penstemon deustus var. pedicellatus Annie Montague Alexander; L. Kellogg 1946-6-18 4804 Modoc Base of lava bluff facing Lower Lake. Comment
  CAS-BOT-BC232372  Penstemon deustus var. pedicellatus Elmer Ivan Applegate 1932-8-2 8070 Modoc Mill Creek Meadows. Comment
  CAS-BOT-BC232335  Penstemon deustus var. pedicellatus Milo Samuel Baker 1893-7-24 s.n. Modoc Lava beds on shore of Lake. Comment
  CAS-BOT-BC245535  Penstemon gracilentus Robert Patterson; Mona Bourell 1993-8-15 5280 Modoc Warner Mountains. Along trail from Patterson Lake to ca. 2 mi north towards Pepperdine Trailhead. 2743 Comment
  JEPS109865  Penstemon heterodoxus var. shastensis Dean W. Taylor 2007-5-16 20183 Modoc Liza Large Flat, on the western edge of the flat (site is ca. 10 air miles NNW of Lookout) 1310 Comment
  CAS-BOT-BC245520  Penstemon janishiae Harry Delbert Thiers 1966-5-13 16326 Modoc Between Alturas and Crowder Flat Ranger Station. 1524 Comment
  SEINET4854504  Penstemon janishiae Unknown 1978-6-8 8883 Modoc Crowder Flat Rd., 0.5 km (0.3 mi) from junction with California Highway 395 (Alturas). 1340 Comment
  SBBG7136  Penstemon laetus H. and M. Dearing 1939-6-7 3574 Modoc near Adin Comment
  UC1586981  Penstemon laetus Juha Pykala and D. H. Norris 1987-5-27 1082 Modoc about 1.5-2 mi from Highway 299 to Modoc National Forest boundary (Crowder Flat Road) 1499 Comment
  CAS-BOT-BC232509  Penstemon roezlii J. L. Reveal 1971-6-2 2459 Modoc Along U.S. Highway 395 at Davis Creek. 1453 Comment
  CAS-BOT-BC245568  Penstemon roezlii Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16369 Modoc Junction of Cedar Pass road with California State Highway 299, 5.5 mi. N of Alturas. Comment
  CAS-BOT-BC245572  Penstemon roezlii C. L. Hitchcock 1940-5-27 6651 Modoc 9 mi. NE of Alturas. 1402 Comment
  CAS-BOT-BC245573  Penstemon roezlii Alice Eastwood; John Thomas Howell 1940-6-12 8090 Modoc Jess Valley. Comment
  CHSC117049  Penstemon roezlii Lowell Ahart; John Dittes 2016-6-6 20944 Modoc About 40 yards west of the dirt road, about 50 yards southwest of the intersection of County Road 87 and Access Road to Pilot Butte Parking Area, northeast base of Pilot Butte, 3.8 miles (air) east of Lookout, 7.5 miles (air) west of Adin, Ash Creek State Wildlife Area. 1271 Comment
  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
  NY650097  Penstemon roezlii M. J. Williams 1988-5-30 8826- 7 Modoc Jess Valley, east of Likely, south of southeast rest 1524.0 Comment
  SEINET5329604 Image available Penstemon roezlii M. J. Williams 1988-5-30 88- 26 -7 Modoc Jess Valley, E of Likely, S of roadside rest 1524 Comment
  UC1094750  Penstemon roezlii Francia Chisaki 1956-5-29 863 Modoc 7.1 mi e of the junction of Highway #395 and road to Cedarville ((on the latter road)); road to Cedarville Comment
  UC190613  Penstemon roezlii M. F. Gilman 672 Modoc Warner Mts. 1828 Comment
  UC27500  Penstemon roezlii Mrs. R. M. Austin and Bruce July 1898 2361 Modoc Foothills Comment
  UC27501  Penstemon roezlii Milo S. Baker 1893-6 Modoc adobe soil Comment
  CAS-BOT-BC245495  Penstemon rydbergii var. oreocharis Bruce Bartholomew; Barrett Anderson 1989-6-3 4855 Modoc Crowder Flat Road at Fletcher Creek. 1550 Comment
  HSC20995  Penstemon rydbergii var. oreocharis M. T. Milligan 1965-6-26 314 Modoc N end Jess Valley. 1616 Comment
  HSC21044  Penstemon rydbergii var. oreocharis M. T. Milligan 1964-6-25 84 Modoc Upper Lassen Creek 1829 Comment
  CAS-BOT-BC245550  Penstemon speciosus Elmer Ivan Applegate 1932-8-1 8037 Modoc High arid summit of Warner Mts. S of Warren Peak. Comment
  CAS-BOT-BC245559  Penstemon speciosus L. Mott 1976-5-29 4 LM76 Modoc Devil's Garden, N of Alturas. 1402 Comment
  CAS-BOT-BC245562  Penstemon speciosus Leland S. Smith 1924-5-31 1348 Modoc Egg Lake Ranch S and near timber. 1310 Comment
  HSC80745  Penstemon speciosus G. M. Riegel 1980-8-20 1087 Modoc S Warner Mtns. Comment
  NY661014  Penstemon speciosus R. M. Austin 07 1898 2359 Modoc Comment
  CAS-BOT-BC214730  Peraphyllum ramosissimum Belknap C. Goldsmith 1910-4-29 3 Modoc 0.5 mi. N of Alturas. 1371 Comment
  UC931945  Peraphyllum ramosissimum Verne Grant and Alva Grant 1948-7-10 8008 Modoc s of Alturas (on Highway 359) Comment
  UC711870  Perideridia bolanderi subsp. bolanderi Roxana S. Ferris and Laura Lorraine 1941-8-14 10581 Modoc 3 mi from Patterson Ranger Station (on road to Eagleville); Modoc National Forest, Warner Mountains Comment
  UC1389987  Perideridia oregana T. I. Chuang and R. S. Mitchell 1966-7-19 6055 Modoc 19 mi nw Davis Creek (w side of lake); Goose Lake Comment
  HSC12269  Persicaria amphibia Richard Spjut 1970-7-20 488 Modoc 4 mi. W of Davis Creek 1418 Comment
  CHSC115561  Phacelia egena Lowell Ahart; John Dittes 2015-7-15 20339 Modoc About 400 yards northeast of the old barn, on the south side of the overgrown road, Ash Creek State Wildlife Area, about 3.9 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1269 Comment
  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
  UC748111  Phacelia hastata Annie M. Alexander and Louise Kellogg 1946-6-30 4870 Modoc Highgrade north end of Warner Mountains (w side of ridge) 2377 Comment
  CAS-BOT-BC179266  Phacelia hastata subsp. hastata Lawrence Ray Heckard 1952-6-19 316 Modoc Ca. 7 mi. N of Alturas along Hwy 395. 1341 Comment
  CAS-BOT-BC179267  Phacelia hastata subsp. hastata Annie Montague Alexander; L. Kellogg 1946-7-7 4948 Modoc Eight Mile Creek. 1752 Comment
  SEINET5764724  Phacelia hastata var. hastata A. Sanger 1996-7-12 2427 Modoc Road 44N69 at junction with road to small stock pond, alongside road 2121 Comment
  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
  UC702951  Phacelia humilis Alice Eastwood and John Thomas Howell 1940-6-13 8185 Modoc w side Cedar Pass Comment
  UC881155  Phacelia humilis C. L. Hitchcock 1940-5-27 6678 Modoc 15 mi ne Alturas 1615 Comment
  HSC24863  Phacelia humilis Richard Spjut 1970-7-20 851 Modoc At Cedar Flat Campground, 10 mi. W of Cedarville along Hwy. 299 1829 Comment
  JEPS13887  Phacelia humilis Rimo Bacigalupi with L. R. Heckard, R. D. Sanderson, and G. Bacigalupi 1952-6-18 3748 Modoc about 200 ft above and s Cedar Pass; Warner Mountains 1981 Comment
  RSA531349  Phacelia humilis K. Paulson 1989-6-14 128 Modoc 1.5 miles NE of Cedar Pass, Warner Mts. 1905 Comment
  CAS-BOT-BC179975  Phacelia humilis var. humilis Francis Dorris Payne 1932-6-26 613 Modoc Ridge N of Parker Creek. 1828 Comment
  CAS-BOT-BC179982  Phacelia humilis var. humilis Annie Montague Alexander; L. Kellogg 1946-7-18 5012 Modoc Benton Meadow. 2072 Comment
  CAS-BOT-BC179988  Phacelia humilis var. humilis Annie Montague Alexander; L. Kellogg 1946-6-5 4660 Modoc Emerson Creek, S of Eagleville. 1783 Comment
  CAS-BOT-BC179990  Phacelia humilis var. humilis Francis Dorris Payne 1929-7-26 119 Modoc Pine Creek Basin. 2133 Comment
  CAS-BOT-BC179999  Phacelia humilis var. humilis Mrs. H. C. Cantelow 1940-6-1 Modoc Cedar Pass Summit. Comment
  CAS-BOT-BC179965  Phacelia inundata Dean William Taylor 1988-8-11 10036 Modoc SW shore Clera Lake Reservoir. 1362 Comment
  CAS-BOT-BC179951  Phacelia linearis C. C. (Mrs.) Bruce 1899-7-1 2193 Modoc Hills. Comment
  JEPS4040  Phacelia linearis Frances D. Payne 1929-6-22 17 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  UC133081  Phacelia linearis Mrs. R. M. Austin Aug. 1887 Modoc Hills Comment
  UC748443  Phacelia linearis Annie M. Alexander and Louise Kellogg 1946-6-18 4796 Modoc meadow Patterson Mill-Silver Creek roads 1828 Comment
  HSC65661  Phacelia mutabilis J. P. Smith, J. O. Sawyer 1973-8-8 7242 Modoc S slopes of Eagle Peak 2561 Comment
  SEINET5506815  Phacelia purpusii M. J. Williams 1968-6-1 s.n. Modoc Warner Mountains, Cedar Pass 1920 Comment
  CAS-BOT-BC179933  Phacelia ramosissima Francis Marion Ownbey; Frederick Gustav Meyer 1940-7-1 2156 Modoc Cedar Peak. Comment
  CAS-BOT-BC179932  Phacelia ramosissima var. eremophila Clare Butterworth Hardham 1961-6-20 7872 Modoc Pine Creek Canyon. 1676 Comment
  CAS-BOT-BC248349  Phacelia sericea var. ciliosa B. Bartholomew; H. Sun 2002-6-24 8832 Modoc Ca. 1 km NW of Bald Mt., E side of the Warner Mountains 2290 Comment
  CAS-BOT-BC179918  Phacelia tetramera Harry Dwight Dillon Ripley; Rupert Charles Barneby 1944-6-1 6005 Modoc Valley E of Cedarville. 1219 Comment
  CAS-BOT-BC179921  Phacelia tetramera Bruce Bartholomew; M; M. Gilbert; L. E. Skog 1993-5-10 6458 Modoc Near Eagleville Airport, E side of Surprise Valley. 1400 Comment
  CAS-BOT-BC179907  Phacelia thermalis Bruce Bartholomew; Barrett Anderson 1989-6-3 4893 Modoc ca. 5 km E of the SE corner of Clear Lake Reservoir. 1450 Comment
  CAS-BOT-BC247555  Phalaris angusta Bruce Bartholomew 1991-7-6 5961 Modoc Ash Creek Bird Santuary, 0.2 km N of Lassen County line on Modoc County Road 87A. 1260 Comment
  CAS-BOT-BC247598  Phleum alpinum Bruce Bartholomew 1990-8-5 5681 Modoc Summit Trail, ca. 4 km N of Patterson Ranger Station, W side of Warner Mts. 2470 Comment
  CAS-BOT-BC247593  Phleum pratense Herbert Louis Mason 1947-7-10 13358 Modoc 0.25 mi. W of Doris Reservoir, 2 mi. E of Alturas. Comment
  UC1100412  Phleum pratense Herbert L. Mason 1947-8-13 13537 Modoc n Canby (ne side of F reservoir); ne side of F reservoir Comment
  UC70660  Phleum pratense Mrs. M. H. Manning 1904-7-7 418 Modoc north-eastern Modoc County Comment
  CHSC39481  Phlox caespitosa Jeanie M. Thayer 1984-4-14 1 Modoc Ca. 50 ft. s of Hwy 299, ca. 4 mi. ene of jct. of hwys 299 and 395. Ca. 10 mi ene of Alturas. 1463 Comment
  CHSC75517  Phlox caespitosa V. H. Oswald; B. Corbin, A Sanger, G. Schoolcraft 1999-6-12 9765 Modoc Soldier Creek Canyon adjacent to USFS 43N57 in the Warner Mtns. northeast of Stough Reservoir Campground, north side of Hwy. 299, east side of Cedar Pass. 2072 Comment
  UC449763  Phlox diffusa M. F. Gilman 659 Modoc 1676 Comment
  UCD118419  Phlox diffusa W. E. Moon 1959-5-19 s.n. Modoc State Hwy. 139, west of Hackamore Reservoir, northwest of Canby. Comment
  UCSB17307  Phlox diffusa J. Haller 1961-6-25 1865 Modoc CA 3 MI S OF PATTERSON RANGER STATION (EAGLEVILLE-LIKELY RD; CA 0.5 MI W OF CREST OF WARNER MOUNTAINS) 2285 Comment
  UC880425  Phlox douglasii subsp. rigida C. L. Hitchcock 1940-5-28 6730 Modoc 15 mi n Alturas (near Surprise) 1402 Comment
  UC23594  Phlox gracilis Milo S. Baker 1893-6 Modoc Forestdale Comment
  UC748422  Phlox gracilis Annie M. Alexander and Louise Kellogg 1946-6-12 4729 Modoc Fort Bidwell 1444 Comment
  UC23907  Phlox hoodii subsp. canescens Milo S. Baker Jun 10 1893-Jun 27 1893 Modoc Comment
  POM65102  Phlox speciosa subsp. occidentalis M. S. Baker 1893-1 s.n. Modoc Craig's Comment
  CAS-BOT-BC197869  Phlox stansburyi Bruce Bartholomew; Mona Bourell 1990-4-27 5183 Modoc Vicinity of Lower Cummings Reservoir, 5 km NW of Hwy 299 on Crowder Flat Rd. 1540 Comment
  CAS-BOT-BC197870  Phlox stansburyi Bruce Bartholomew 1995-5-13 6907 Modoc 4.8 km W of Eagleville, E side of the S end of Surprize Valley. 1480 Comment
  CAS-BOT-BC197879  Phlox stansburyi Bruce Bartholomew; Barrett Anderson 1989-4-29 4670 Modoc 6.4 km E of Fort Bidwell on road to Fee Reservoir, NE corner of Surprise Valley. 1460 Comment
  CHSC118079  Phlox stansburyi var. brevifolia L. P. Janeway 2016-5-18 12052 Modoc Modoc Plateau. Between Goose Lake and the Devils Garden area; uplands along southwest side of Goose Lake about 2.1 air-km southwest of north end of Road 48 causeway across the lake. 1434 Comment
  CAS-BOT-BC58316  Phoenicaulis cheiranthoides Harry Dwight Dillon Ripley; Rupert Charles Barneby 1944-6-1 6001 Modoc Cedar Pass, Warner Mts. 1920 Comment
  CAS-BOT-BC58579  Phoenicaulis cheiranthoides Elmer Ivan Applegate 1937-5-13 11088 Modoc Lava Beds Nationa Monument, Gillam Bluff. Comment
  CHSC31509  Phoenicaulis cheiranthoides N. E. H. Prouty 1980-6-19 188 Modoc Modoc Nat. Forest. 2133 Comment
  HSC81056  Phoenicaulis cheiranthoides G. M. Riegel 1980-7-18 910 Modoc S Warner Mtns. 1739 Comment
  RSA520467  Phoenicaulis cheiranthoides K. Paulson, R. Paulson 1989-5-8 106 Modoc Howard s Gulch. Along Hwy 139. 1372 Comment
  UCD116140  Phoenicaulis cheiranthoides R. N. Raynor 1940-4-13 s.n. Modoc Joseph Creek. Comment
  POM203793  Phoradendron juniperinum J. T. Howell 1934-6-11 11921 Modoc Parker Creek, Warner Mts. 1585 Comment
  UCR129385  Pilularia americana L. C. Wheeler 1935-9-17 3990 Modoc Everly Reservoir, Devil's Garden 1524 Comment
  CAS-BOT-BC73412  Pinus albicaulis Elmer I. Applegate 1932-7-31 7991 Modoc Mill Creek Meadows, west slope of Warner Mountains. 2438 Comment
  CAS-BOT-BC73238  Pinus contorta subsp. murrayana Mrs. R. M. Austin 1895-8-1 261 Modoc Goose Lake, Tamaracks Comment
  UC71759  Pinus contorta subsp. murrayana Mrs. M. H. Manning 1902-10-26 31 Modoc Warner Mt. ne Modoc County, Warner Mt. 1828 Comment
  RSA749197  Pinus contorta var. murrayana A. Townesmith, K. M. Meyer 2007-9-16 215 Modoc Modoc National Forest, 8.5 mi. on Hwy 23 which turns into 31, south of Cedarville, CA. Pine 2218 Comment
  CAS-BOT-BC73019  Pinus monticola Elmer I. Applegate 1932-8-5 8168 Modoc Dry, rocky crest of Cedar Mountain, Warner Mountains, 3 miles north of Cedar Pass. 2438 Comment
  CAS-BOT-BC73020  Pinus monticola Elmer I. Applegate 1932-8-5 8219 Modoc Dry, rocky crest of Yellow Moutain near Lily Lake, Bidwell Pass, Warner Mountains. 2438 Comment
  UCSC008466  Piperia unalascensis Randall Morgan 1990-7-30 1911 P Modoc Cave Lake (from Coleman) Comment
  CAS-BOT-BC58784  Plagiobothrys Roxana Stinchfield Ferris; R. Duthie 1919-6-14 172 Modoc Parker Creek at Modoc Nat. Forest Boundary. Comment
  UC1037248  Plagiobothrys cusickii Leo Whitney 1930-7-21 3566 Modoc Pit River Comment
  JEPS118249  Plagiobothrys hispidulus Lowell Ahart, John Dittes 2011-6-22 17540 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 Adin, 10 miles (air) east of Lookout, Big Valley 1264 Comment
  SEINET10781225  Plagiobothrys hispidulus Lowell Ahart, John Dittes 2011-6-22 Ahart 17540 Modoc T39N, R8E, northeast 1/4 Section 30. Normal size plants, on dry bare soil, 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 Adin, 10 miles (air) east of Lookout, Big Valley. 1265 Comment
  UC1191649  Plagiobothrys mollis Herbert L. Mason 1947-8-9 13475 Modoc n Alturas (e side Fairchild Swamp); e side Fairchild Swamp Comment
  UC71866  Plagiobothrys reticulatus Mrs. M. H. Manning 1903-5 142 Modoc near Fort Bidwell (north-eastern Modoc County) Comment
  UC24562  Plagiobothrys reticulatus M. S. Baker and Frank Nutting 1894-6-4 Modoc Little Hot Spring Valley Comment
  CAS-BOT-BC58732  Plagiobothrys scouleri Bruce Bartholomew; Barrett Anderson 1988-7-22 4547 Modoc Benton Meadow, Warner Mts.. 2180 Comment
  CAS-BOT-BC58735  Plagiobothrys scouleri John Thomas Howell 1934-6-15 12193 Modoc Dorris Reservoir, 2 mi. E of Alturas. Comment
  CAS-BOT-BC58750  Plagiobothrys scouleri Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-15 16513 Modoc 13 mi. W of Canby, along Hwy 139. Comment
  CAS-BOT-BC58754  Plagiobothrys scouleri Beecher Crampton 1960-6-17 5697 Modoc McKay Flat, ca. 13 mi. W of Canby. 1280 Comment
  POM312568  Plagiobothrys scouleri var. hispidulus H. L. Mason, Verne Grant 1947-7-12 13408 Modoc West side of the South Fork of Pit River Valley, southwest of Alturas. Comment
  POM368975  Plagiobothrys scouleri var. hispidulus Christopher Davidson 1973-5-26 2152 Modoc Ca. 1 mi. N of Adin Summit on St Hwy 299. 1524 Comment
  CHSC85102  Plagiobothrys stipitatus var. micranthus John Dittes; Josephine Guardino 1991-6-1 370 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
  UC280352  Plagiobothrys tenellus Milo S. Baker 1896-5-20 75 Modoc Big Val-Johnson's Comment
  SBBG20689  Plagiobothrys undulatus C. B. Hardham 1961-6-17 Modoc Cedar Pass Cmpgrd Comment
  CAS-BOT-BC242213  Platanthera dilatata var. leucostachys Bruce Bartholomew 1991-7-6 5998 Modoc Field redacted by CAS, contact the data manager for more information 1580 Comment
  CAS-BOT-BC242221  Platanthera dilatata var. leucostachys Bruce Bartholomew 1989-7-14 4973 Modoc Field redacted by CAS, contact the data manager for more information 1480 Comment
  RSA504847  Platanthera leucostachys Bruce Bartholomew, B. Anderson 1988-7-21 4445 Modoc Above Upper Rush Creek Campground ca. 4 km. E of State Highway 299 between Adin and Canby. 1580 Comment
  CAS-BOT-BC242207  Platanthera stricta Bruce Bartholomew; Barrett Anderson 1988-6-24 4328 Modoc Field redacted by CAS, contact the data manager for more information 2130 Comment
  CAS-BOT-BC136650  Platanthera stricta L. S. Smith 1918-6-22 943 Modoc Field redacted by CAS, contact the data manager for more information 2286 Comment
  CAS-BOT-BC245404  Plectritis macrocera Bruce Bartholomew; Barrett Anderson 1989-6-3 4887 Modoc Boles Creek, ca. 5.5 km E of the SE corner of Clear Lake Reservoir. 1430 Comment
  HSC21685  Plectritis macrocera M. T. Milligan 1964-6-6 1 Modoc N side of Dorris Reservoir along shore 1372 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
  UC1025051  Poa annua Leo Whitney 1935-8-3 3594 Modoc Buck Creek Comment
  CHSC85107  Poa compressa John Dittes; Josephine Guardino 1991-7-21 440 Modoc Modoc Plateau; Big Valley; Ash Creek Wildlife Area; ca. 5.7 air-miles northeast of Bieber, ca. 7.6 air-miles west of Adin, ca. 1.5 air-mile southeast of Pilot Butte summit; meadow at northern edge of Ash Creek Floodplain (Big Swamp) at southeast base of Pilot Butte. 1258 Comment
  CAS-BOT-BC247580  Poa cusickii Bruce Bartholomew 1991-6-23 5872 Modoc W side of Ingall Swamp, Devil's Garden. 1510 Comment
  JEPS70631  Poa cusickii L. S. Smith 1917-7-2 71 Modoc head of Shields Creek; Wasrner Mts 2286 Comment
  SJSU9595  Poa cusickii subsp. cusickii W. Savage 1979-7-5 1362 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  CAS-BOT-BC247622  Poa leptocoma Elmer Ivan Applegate 1932-8-2 8084 Modoc Mill Creek Meadows, Warner Mts. Comment
  JEPS101866  Poa leptocoma subsp. leptocoma Dean W. Taylor 1989-8-5 10471 Modoc Warner Mountains, North Emerson Lake margin Comment
  CHSC85133  Poa pratensis John Dittes; Josephine Guardino 1991-7-21 435 Modoc Modoc Plateau; Big Valley; Ash Creek Wildlife Area; ca. 5.7 air-miles northeast of Bieber, ca. 7.6 air-miles west of Adin, ca. 1.5 air-mile southeast of Pilot Butte summit; meadow at northern edge of Ash Creek Floodplain (Big Swamp) at southeast base of Pilot Butte. 1258 Comment
  CAS-BOT-BC247611  Poa pratensis subsp. pratensis Bruce Bartholomew; Barrett Anderson 1988-7-21 4467 Modoc Vicinity of Patterson Campground, southern end of the Warner Mts. 2190 Comment
  UC1100400  Poa pratensis subsp. pratensis Verne Grant and Irving Schneider 1947-7-22 8151 Modoc on dirt rd leading to s end of Goose Lake (headwaters of North Fork of Pit River, 1 mi nw of Hwy 395) Comment
  POM260253  Poa secunda C. L. Hitchcock 1940-5-28 6725 Modoc 15 miles N of Alturas. 1402 Comment
  POM264350  Poa secunda A. A. Beetle 1941-6-29 2827 Modoc Near summit of Cedarville Pass. 2119 Comment
  CHSC85399  Poa secunda subsp. juncifolia John Dittes; Josephine Guardino 1991-7-21 441 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
  JEPS45879  Poa secunda subsp. juncifolia L. S. Smith July 1920 1167 Modoc Crower Flat Comment
  UCD92431  Poa secunda subsp. juncifolia L. Whitney 1935-5-26 3157 Modoc Ash Creek, 10 miles E of Adin. Comment
  UC70673  Poa secunda subsp. juncifolia Mrs. M. H. Manning June 1903 428 Modoc Comment
  CAS-BOT-BC247669  Poa secunda subsp. secunda Gordon H. True 1964-6-3 1455 Modoc N Fork Pit River, between Alturas and Goose Lake. 1463 Comment
  CAS-BOT-BC247670  Poa secunda subsp. secunda Bruce Bartholomew; Barrett Anderson 1989-6-2 4803 Modoc 6.4 km E of Fort Bidwell on road to Fee Reservoir, NE corner of Surprise Valley. 1460 Comment
  CHSC52703  Poa secunda subsp. secunda James Jokerst 1983-5-31 1804 Modoc Near Signal Butte. 1340 Comment
  JEPS74052  Poa secunda subsp. secunda Frances D. Payne 1932-7-3 595 Modoc s and e Alturas (Parker Creek); Warner Mts 1584 Comment
  JEPS75401  Poa secunda subsp. secunda Frances D. Payne 1932-6-24 566 Modoc s and e Alturas (Parker Creek); Warner Mts 1584 Comment
  UC1024928  Poa secunda subsp. secunda Leo Whitney 1935-6-29 3350 Modoc ca 15 mi nw Canby (Lake Joaquina, Hackamore); Modoc Nat'l Forest 1463 Comment
  UC1025015  Poa secunda subsp. secunda Leo Whitney 1935-7-13 3495 Modoc ca 17 mi n Canby (Badger Wells) Comment
  CHSC67516  Pogogyne floribunda J. D. Jokerst 1987-6-24 2938 Modoc Modoc National Forest, Devils Garden Ranger District. About 2 miles NE of Doublehead Mountain, 1.25 miles S of Clear Lake, along dirt road about 2 miles WSW of Red Lake. 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
  SEINET5850111  Polanisia dodecandra R. R. Halse 2010-9-2 8109 Modoc Warner Mountains; Modoc National Forest; along State Hwy. 299 ca 2.8 miles west of Cedarville by the Cedar Creek Lower Trailhead.; 0 1619 Comment
  CAS-BOT-BC263237  Polemonium micranthum R. Stubbs 2010-5-8 005 Modoc Modoc National Forest Rush Creek off of CA-299 1502 Comment
  UC23985  Polemonium micranthum Mrs. R. M. Austin May 1894 Modoc Goose Lake Valley Comment
  HSC17214  Polemonium micranthum M. T. Milligan 1966-5-14 619 Modoc Plateau W of Jess Valley 1829 Comment
  JEPS69904  Polemonium micranthum Fred P. Cronemiller 1920-8-10 20 Modoc Mill Creek Meadows Modoc National Forest, Mill Creek Meadow 2087 Comment
  CAS-BOT-BC197853  Polemonium occidentale Bruce Bartholomew 1994-7-2 6795 Modoc Joseph Creek Basin, W side of the Warner Mountains. 1650 Comment
  RSA523874  Polyctenium fremontii Barbara Ertter 1988-6-18 7617 Modoc Hwy 139, 50 airmiles SW of Klamath Falls, a few miles N of Agric. Inspection Station, 1 mile S of jct to Lava Beds Nat l Monument E of Tonesta. 1311 Comment
  CHSC67096  Polyctenium fremontii var. fremontii James D. Jokerst 1987-5-11 2831 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
  UC17451  Polygala cornuta var. cornuta Milo S. Baker 1893-6 Modoc Dunsmuir Sac. Canyon 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
  UC850123  Polygonum Lewis S. Rose 1940-6-14 40570 Modoc 8 mi nw of Canby 1524 Comment
  JEPS117372  Polygonum arenastrum Lowell Ahart, John Dittes 2010-8-30 17071 Modoc About 150 yards west of the fence, south edge of the meadow, Ash Creek State Wildlife Area, 2,300 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley 1267 Comment
  CHSC106194  Polygonum aviculare Lowell Ahart; John Dittes 2010-8-31 17136 Modoc On the east side of Elkins Lane, about 100 yards north of the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  CHSC52636  Polygonum aviculare James Jokerst 1983-7-27 1908 Modoc Near Signal Butte. 1340 Comment
  JEPS79754  Polygonum aviculare Louis C. Wheeler 1935-8-26 3922 Modoc 1 mi nw Mud Lake; Devil's Garden 1524 Comment
  CHSC112072  Polygonum aviculare subsp. buxiforme L. P. Janeway; B. Castro 2014-6-3 11322 Modoc Great Basin. On the dry cracked white mud of Big Mud Lake, near the northwest edge. 1637 Comment
  UC1192347  Polygonum aviculare subsp. buxiforme Verne Grant, Irving Schneider 1947-7-18 8043 Modoc S of Alturas (Eastside Canal, 5 mi N of Bayley's bridge) Comment
  SFV18023  Polygonum bistortoides 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
  CAS-BOT-BC218135  Polygonum douglasii Elmer Ivan Applegate 1932-8-2 8065 Modoc Mill Creek Meadow, Warner Mts. Comment
  UCR47769  Polygonum douglasii F. R. Fosberg 1957-8-18 38854 Modoc Upper Rush Creek Campground, NE of Adin 1600 Comment
  UC167997  Polygonum douglasii subsp. austiniae Mrs. Austin 1885-6-7 Modoc Sage Brush Plains Comment
  JEPS51293  Polygonum douglasii subsp. douglasii Leland S. Smith 1918-7-11 986 Modoc Mill Creek Meadows Modoc <National> Forest 1981 Comment
  JEPS49634  Polygonum douglasii subsp. douglasii Louis C. Wheeler 1935-8-6 3801 Modoc 1/2 mi s Pine Creek (town) 1493 Comment
  CHSC71884  Polygonum douglasii subsp. spergulariiforme Vernon H. Oswald; Lowell Ahart 1998-9-8 9590 Modoc County Rd. 93 adjacent to the RR at Lookout Junction northwest of Lookout. 1280 Comment
  SEINET3405928 Image available Polygonum douglasii var. johnstonii Arnold Tiehm 1984-6-30 8841 Modoc NW side of Bidwell Mt., 2.8 road miles N of 8 mile creek on the road from Lake Annie 1829 Comment
  SEINET11939041  Polygonum kelloggii H. L. Mason 1957-1 14706 Modoc W side of Said Valley Comment
  JEPS94092  Polygonum lapathifolium Vernon H. Oswald and Lowell Ahart 1998-9-8 9600 Modoc ca. 20 air mi. n. McArthur (Mosquito Lake on n. side of Whitehorse Flat Reservoir); Mosquito Lake 1341 Comment
  CAS-BOT-BC218159  Polygonum polygaloides Bruce Bartholomew 1991-8-6 6085 Modoc S Fork of Emerson Trail at S Fork of Emerson Creek, E side of Warner Mts. 2160 Comment
  CAS-BOT-BC218162  Polygonum polygaloides Bruce Bartholomew; Barrett Anderson 1990-7-19 5432 Modoc Sweagert Flat. 1860 Comment
  CAS-BOT-BC218168  Polygonum polygaloides subsp. confertiflorum Mrs. H. C. Cantelow 1940-6-2 Modoc About 10 mi NW of Canby. Comment
  CAS-BOT-BC218172  Polygonum polygaloides subsp. confertiflorum Leland S. Smith 1922-7-7 1260 Modoc High Grade Hill and Dismal Swamp. 2316 Comment
  CAS-BOT-BC218173  Polygonum polygaloides subsp. confertiflorum Bruce Bartholomew; Barrett Anderson 1988-5-12 4097 Modoc White Horse. 1340 Comment
  RSA26457  Polygonum polygaloides subsp. confertiflorum Peter H. Raven, Otto T. Solbrig 1958-6-14 8223 Modoc About small lake, eastern outskirts of Lookout Comment
  RSA65860  Polygonum polygaloides subsp. confertiflorum Alice Eastwood, John T. Howell 1940-6-14 13052 Modoc 8 miles NW of Canby Comment
  UCD100575  Polygonum polygaloides subsp. confertiflorum Louis C. Wheeler 1973-8-22 s.n. Modoc Devils Garden: Ca. 1/4 mile southwest of Big Sage Reservoir. Comment
  CAS-BOT-BC27102  Polygonum polygaloides subsp. esotericum Louis Cutter Wheeler 1935-8-25 3918 Modoc Rim Rock Valley Reservoir, Devils Garden. Modoc National Forest 1524 Comment
  UCD77934  Polygonum polygaloides subsp. esotericum Robert E. Preston 2000-7-18 1408 Modoc Ca. 13 mi nw of Canby, along n side of Hwy 139, 500 ft w of Forest Service Rd 44N11. 1478 Comment
  CAS-BOT-BC498690  Polygonum polygaloides subsp. esotericum L. C. Wheeler 1973-8-23 s.n. Modoc Big Mud Lake 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
  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-BC218120  Polygonum sawatchense subsp. sawatchense Arnold Tiehm 1984-6-30 8841 Modoc NW side of Bidwell Mt., 2.8 road miles north of 8 mile creek on the road from Lake Annie 1828 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
  CHSC106191  Polypogon monspeliensis Lowell Ahart; John Dittes 2010-8-31 17134 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
  CHSC30495  Polypogon monspeliensis N. E. H. Prouty 1980-5-21 163 Modoc Ca. 7 1/2 roadmiles south of Eagleville. East side of Hwy 81, by edge of hot spring. 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
  UC1024926  Polypogon monspeliensis Leo Whitney 1935-6-30 3352 Modoc Hackamore Lake Joaquina (ca 15 mi nw of Canby, Modoc National Forest); Modoc National Forest, , Hackamore 1463 Comment
  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
  CAS-BOT-BC225106  Populus trichocarpa Elmer Ivan Applegate 1929-5-25 5903 Modoc Cottonwood Creek, east side of Goose Lake. Comment
  CAS-BOT-BC225107  Populus trichocarpa Roxana Stinchfield Ferris; R. Duthie 1919-6-14 140 Modoc Parker Creek below Nat. Forest Boundary. Comment
  JEPS64565  Populus trichocarpa Frances D. Payne 1931-7-5 328 Modoc s and e Alturas (Parker Creek, Warner Mountains); Warner Mountains, Parker Creek 1584 Comment
  CAS-BOT-BC95150  Porterella carnosula Bruce Bartholomew 1995-6-23 7001 Modoc 3.4 km from Goose Lake on road to Meteorite Tank. 1600 Comment
  UC1025093  Porterella carnosula Leo Whitney 1934-5-5 1691 Modoc ca 15 mi nw Canby (near Hackamore, Modoc National Forest); Modoc National Forest 1463 Comment
  UC1192035  Porterella carnosula Herbert L. Mason 1947-8-12 13502 a Modoc Alturas junction of North and South Forks of Pit River (junction of North and South Forks of Pit River) Comment
  CAS-BOT-BC242247  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
  UC1099879  Potamogeton epihydrus Verne Grant, Irving Schneider 1947-7-22 8134 Modoc n of Alturas (North Fork Pit River by confluence with Gleason Creek on Hwy 395); North Fork Pit River Comment
  SEINET3892674  Potamogeton filiformis Herbert L. Mason 1955-8-14 14648 Modoc South end of Goose Lake.; 0 Comment
  CAS-BOT-BC242246  Potamogeton foliosus Milo Samuel Baker 1899-8-24 s.n. Modoc Carmichaels Mill, Big Valley. Comment
  UC1600949  Potamogeton foliosus var. foliosus Gordon H. True Jr. 1939-7-21 1008 Modoc Jack Swamp near Alturas; Jack Swamp Comment
  CAS-BOT-BC242238  Potamogeton gramineus Malcom A. Nobs; Calvin McMillan 1949-6-16 788 Modoc Dry Valley Reservoir, 33 mi. NNW of Alturas. Comment
  CAS-BOT-BC242232  Potamogeton natans Milo Samuel Baker 1899-8-12 s.n. Modoc Egg Lake. Comment
  CAS-BOT-BC242233  Potamogeton natans Bruce Bartholomew 1991-6-23 5875 Modoc W side of Ingall Swamp, Devil's Garden. 1510 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
  HSC17799  Potamogeton pusillus M. S. Baker 1899-8-24 Modoc Carmichaels Mill, Big Valley Comment
  CHSC116072  Potentilla biennis Lowell Ahart; John Dittes 2015-7-16 20373 -A Modoc South 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
  UC1594785  Potentilla breweri David Charlet 1989-8-15 501 Modoc 1 km nw Eagle Peak (Upper Slide Creek Meadows); South Warner Mountains, nw of Eagle Creek 2550 Comment
  CAS-BOT-BC214739  Potentilla drummondii Bruce Bartholomew; Barrett Anderson 1988-7-23 4568 Modoc Dismal Swamp, Warner Mts.. 2180 Comment
  RSA520455  Potentilla fruticosa K. Paulson 1990-7-2 212 Modoc Dismal Swamp, Warner Mts. 2195 Comment
  CAS-BOT-BC214789  Potentilla gracilis Annie Montague Alexander; L. Kellogg 1946-6-20 4810 A Modoc Field below Eagleville 1440 Comment
  CAS-BOT-BC214793  Potentilla gracilis Roxana Stinchfield Ferris; L. Lorraine 1941-8-14 10541 Modoc Patterson Ranger Station (East Creek drainage). 2164 Comment
  NY832655  Potentilla gracilis B. M. Bartholomew 1991-8-5 6044 Modoc Squaw Peak Trail on north side of Squaw Peak, east side of Warner Mountains 2450 Comment
  HSC18745  Potentilla gracilis var. fastigiata M. T. Milligan 1964-7-1 102 Modoc Rattlesnake Butte Rd. at Pit River. 1372 Comment
  UC584354  Potentilla gracilis var. fastigiata G. L. Stebbins Jr. and J. A. Jenkins 1937-7-15 2370 Modoc Open fields center of Round Valley. Along state Highway. 1066 Comment
  RSA504842  Potentilla gracilis var. fastigiata Bruce Bartholomew 1988-7-21 4473 Modoc Vicinity of Patterson Campground, Southern end of the Warner Mountains. 668 Comment
  UC1540181  Potentilla newberryi Dean Wm. Taylor, Glenn L. Clifton, Rexford E. Palmer 1987-8-9 9270 Modoc Dry Lake 1341 Comment
  CDA13450  Potentilla norvegica G. F. Hrusa, T. D. Wilfred 1996-7-21 13297 Modoc Modoc Plateau; About the Modoc Co. Rd. 90 bridge over Pit River. E base of Splawn Mtn. N end of Big Valley. Comment
  JEPS127291  Potentilla rivalis Lowell Ahart, John Dittes 2016-7-14 21196 Modoc South of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin Big Valley. Comment
  CAS-BOT-BC225024  Poteridium annuum K. Paulson; Robert Paulson 1988-6-19 42 Modoc W of Cranby Bridge. 1310 Comment
  UCD113166  Prunus andersonii Louis C. Wheeler 1935-8-6 3797 Modoc town of Pine Creek. 1493 Comment
  JEPS44710  Prunus emarginata Frances D. Payne 1929-6-23 19 Modoc s and e of Alturas (Parker Creek); Warner Mountains, Parker Creek 1584 Comment
  NY849283  Prunus emarginata B. M. Bartholomew 1988-7-23 4600 Modoc Pine Creek, 1 km east of U.S. Highway 395 on the road to Lily Lake, Warner Mountains 1550 Comment
  RSA152421  Prunus emarginata I. L. Wiggins 1961-6-13 16458 Modoc Near summit of Fandango Pass, Warner Mts. Comment
  JEPS27653  Prunus emarginata L. S. Smith 1917-1 Modoc California Comment
  UC12747  Prunus emarginata Milo S. Baker 1893-6 Modoc Comment
  CAS-BOT-BC225002  Prunus subcordata Alice Eastwood; John Thomas Howell 1940-6-13 8128 Modoc Near Davis Creek. Comment
  POM88418  Prunus subcordata R. M. Austin 1895-1 41 Modoc Goose Lake (Ross Canyon). Comment
  RSA59864  Prunus subcordata E. K. Balls 1950-5-11 14613 Modoc 2 miles N of Lake City. W of Upper Alkali Lake. 1418 Comment
  UC1191503  Prunus subcordata Verne Grant, Irving Schneider 1947-7-22 8160 Modoc 1 mi nw of Highway 395 (on dirt road leading to end of Goose Lake, at headwaters of North Fork Pit River); North Fork Pit River Comment
  CAS-BOT-BC225003  Prunus virginiana var. demissa Leland S. Smith 1917-7-10 94 Modoc Granger Mill Camp. 1905 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-BC225016  Prunus virginiana var. demissa A. D. Borden 1911-8-9 Modoc S slope of Shields Creek. Comment
  CAS-BOT-BC225017  Prunus virginiana var. demissa Elmer Ivan Applegate 1932-8-5 8162 Modoc Cedar Pass, Warner Mts. Comment
  SBBG30529  Prunus virginiana var. demissa D. Myrick 1968-6-20 1974 Modoc E slope of Cedar Pass, Hwy 299, 20 mi E of Alturas 1828 Comment
  UC114549  Prunus virginiana var. demissa Mrs. R. M. Austin June 1894 105 Modoc Willow Creek Comment
  UC71670  Prunus virginiana var. demissa Mrs. M. H. Manning 1902-9-15 4 Modoc near Fort Bidwell (north-eastern Modoc County) Comment
  CAS-BOT-BC498651  Pseudognaphalium L. S. Smith 1924-7-1 1502 Modoc Modoc Forest, Round Mt. 1676 Comment
  UCD91509  Pseudoroegneria spicata J. C. Hayes 1935-6-25 s.n. Modoc Alturas. Comment
  UCD91519  Pseudoroegneria spicata L. Whitney; E. Wilson 1934-6-6 s.n. Modoc Modoc National Forest. 1219 Comment
  UCD91523  Pseudoroegneria spicata E. Wilson 1934-8-14 s.n. Modoc About 25 miles West of Alturas. Comment
  CAS-BOT-BC95217  Pseudostellaria jamesiana Roxana Stinchfield Ferris; R. Duthie 1919-6-13 30 Modoc Near Parker Creek, Warner Mts. Comment
  CAS-BOT-BC95232  Pseudostellaria jamesiana Barrett Anderson 1986-7-9 3150 Modoc 299 just W of Cedar Pass, Warner Mts. 1920 Comment
  CAS-BOT-BC95235  Pseudostellaria jamesiana Francis Marion Ownbey; Frederick Gustav Meyer 1940-7-1 2142 Modoc Cedar Peak, Warner Mts. Comment
  POM267209  Pseudostellaria jamesiana Marion Ownbey 1940-7-1 2142 Modoc Cedar Peak, Warner Mountains. Comment
  SD149209  Pseudotsuga menziesii B. Bartholomew 1992-5-14 6273 Modoc Northeast side of White Horse Mountains, southwest of White Horse Flat Reservoir. 1399 Comment
Read comments
Dec 3 2007
  SD149210  Pseudotsuga menziesii B. Bartholomew 1992-5-14 6273 Modoc Northeast side of White Horse Mountains, southwest of White Horse Flat Reservoir. 1399 Comment
Read comments
Aug 12 2008
  CAS-BOT-BC30153  Pseudotsuga menziesii var. menziesii Bruce Bartholomew 1992-5-14 6273 Modoc NE side of White Horse Mountains, SW of White Horse Flat Reservoir. 1400 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-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
  CHSC112684  Puccinellia lemmonii Lowell Ahart; John Dittes, Todd Sloat 2013-6-8 18763 Modoc Meadow, about 300 yards northeast of the Parking Area, northeast of the old barn, Ash Creek State Wildlife Area, about 3.9 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  UCD91888  Puccinellia lemmonii Beecher Crampton 1954-7-8 2194 Modoc Modoc County, 3 miles west of Alturas, along US highway 299. Comment
  UCD32738  Puccinellia nuttalliana Beecher Crampton 1954-7-8 2191 Modoc Modoc County, 3 miles west of Alturas, along US highway 299. Comment
  NY848522  Purshia tridentata A. D. Borden 1911-6-15 s.n. Modoc South slope of Davis Creek Comment
  UCD113280  Purshia tridentata Robbins; Raynor 1943-6-1 s.n. Modoc Between Stronghold and Canby. Comment
  UCD22435  Purshia tridentata Brian Vanden Heuvel 2003-4-10 197 Modoc Warm Springs Valley, 5 miles east of Canby on CA 299, near an old stone quarry at Modoc National Forest boundary. Comment
  CAS-BOT-BC218226  Purshia tridentata var. tridentata Belknap C. Goldsmith 1910-4-29 4 Modoc Alturas. 1371 Comment
  UC73075  Purshia tridentata var. tridentata Milo S. Baker 1893-1 Modoc Forestdale Comment
  SJSU9381  Pyrrocoma carthamoides var. cusickii W. Savage 1979-7-3 1295 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  UC76017  Pyrrocoma carthamoides var. cusickii Milo S. Baker 1894-6-29 Modoc Big Valley near Lookout; Big Valley Comment
  SEINET3840822  Pyrrocoma carthamoides var. cusickii Unknown 1991-8-27 4443 Modoc Warner mountains 2310 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
  CHSC112981  Pyrrocoma lanceolata var. lanceolata Lowell Ahart; John Dittes 2013-7-25 18959 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
  JEPS121190  Pyrrocoma lanceolata var. lanceolata Lowell Ahart, John Dittes 2013-7-25 18959 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
  UC296012  Pyrrocoma lanceolata var. subviscosa H. M. Hall 1925-8-30 12211 Modoc about 1 mi s Alturas Comment
  CAS-BOT-BC50358  Pyrrocoma uniflora var. uniflora Elmer Ivan Applegate 1932-8-1 8061 Modoc S slope of Warren Peak. Comment
  CAS-BOT-BC180122  Quercus kelloggii Leland S. Smith 1922-7-29 1324 Modoc Big Valley foothills. 1371 Comment
  RSA476818  Quercus kelloggii Christopher Davidson 1975-6-4 2626 Modoc 0.7 mile east of Upper Rush Creek Camp on dirt road off Highway 299 ca. 7 miles north of Adin. 1646 Comment
  SEINET5338403  Ranunculus aquatilis E. K. Balls 1950-5-18 14765 Modoc Just south of Adin, in city limit, by turn to Madeline off Hwy. 299. 1280 Comment
  UC70362  Ranunculus aquatilis var. capillaceus Milo S. Baker 1899-8-24 Modoc Carmichael's Mill Big Valley Comment
  CHSC99772  Ranunculus aquatilis var. diffusus Lowell Ahart; John Dittes 2008-6-22 15040 Modoc In shallow water, along a natural drainage, about 150 yards north of the road levee, in Big Valley, about 2.1 miles (air) northeast of the Headquarters at Ash Creek State Wildlife Area, about 5.0 miles (air) northeast of Bieber. 1262 Comment
  UCD95864  Ranunculus aquatilis var. diffusus Robbins; Raynor 1943-6-1 s.n. Modoc Corporation Ranch near Likely. Comment
  RSA149142  Ranunculus aquatilis var. hispidulus I. L. Wiggins, Dorothy B. Wiggins 1961-6-15 16519 Modoc 11 miles W of Canby along Hwy 139 Comment
  JEPS121212  Ranunculus cymbalaria Lowell Ahart, John Dittes 2013-7-24 18938 Modoc South bank of Ash Creek Canal, S of Ash Creek, Ash Creek State Wildlife Area, 0.79 air miles S of County Road 87, 1.73 air miles W of Adin, Big Valley. Comment
  PASA2638  Ranunculus cymbalaria Frank W. Peirson 1926-6-26 6906 Modoc Road from Alturas to Canby Comment
  CAS-BOT-BC217236  Ranunculus eschscholtzii var. oxynotus Annie Montague Alexander; L. Kellogg 1946-7-30 5098 Modoc Eagle Peak, Warner Mts. Comment
  CAS-BOT-BC217237  Ranunculus eschscholtzii var. oxynotus Elmer Ivan Applegate 1932-8-1 8047 Modoc Arid, rocky E slope of Warren Peak, Warner Mts. Comment
  CAS-BOT-BC217242  Ranunculus flammula Bruce Bartholomew 1991-7-6 5978 Modoc Curtis Waterhole and adjacent lava outcrops. 1310 Comment
  UC480975  Ranunculus glaberrimus M. F. Gilman 666 Modoc Comment
  CAS-BOT-BC217243  Ranunculus glaberrimus var. ellipticus Bruce Bartholomew; Barrett Anderson 1989-4-27 4632 Modoc Ryan Canyon, 6.0 km NW of Adin on road to Dutch Flat. 1370 Comment
  CAS-BOT-BC217203  Ranunculus glaberrimus var. glaberrimus Ellsworth Bethel 1923-4-24 s.n. Modoc Adin. Comment
  CAS-BOT-BC217248  Ranunculus glaberrimus var. glaberrimus Fred D. Douthitt 1916-8-20 2 Modoc Flournoy Swale. 1828 Comment
  CAS-BOT-BC217180  Ranunculus occidentalis var. dissectus Annie Montague Alexander; L. Kellogg 1946-6-8 4697 Modoc Road from Eagleville to Patterson Mill. 2286 Comment
  CAS-BOT-BC217224  Ranunculus occidentalis var. dissectus Gordon H. True 1964-6-3 1448 Modoc Surprise Valley, about 5 mi. S of Cedarville. Comment
  CAS-BOT-BC217216  Ranunculus occidentalis var. ultramontanus L. A. M. Black 1894-6-1 74 Modoc Davis Creek. Comment
  UC72750  Ranunculus orthorhynchus var. orthorhynchus Milo S. Baker Modoc Forestdale Comment
  CAS-BOT-BC217192  Ranunculus sceleratus Louis Cutter Wheeler 1935-8-3 3762 Modoc Pine Creek, Warner Mts. 1737 Comment
  CAS-BOT-BC217193  Ranunculus sceleratus Bruce Bartholomew 1991-5-24 5720 Modoc NE end of Surprise Valley, 6.5 km E of Fort Bidwell on road to Fee Reservoir. 1500 Comment
  RSA8221  Ranunculus sceleratus Elmer I. Applegate 1929-7-29 6090 Modoc Clear Lake Dam, Clear Lake. Comment
  UC1191468  Ranunculus sceleratus Verne Grant and Irving Schneider 1947-7-19 8063 Modoc irrigation ditch s south loop road (s of Alturas); Corporation ranch Comment
  CAS-BOT-BC217155  Ranunculus testiculatus Bruce Bartholomew; Mona Bourell 1990-4-28 5201 Modoc SE corner of North Alkali Lake, Surprise Valley. 1350 Comment
  RSA145549  Ranunculus testiculatus T. L. Secrest 1961-6-11 s.n. Modoc along edge of Hwy 299 1 miles NW of Alturas Comment
  SEINET5338928  Ranunculus uncinatus var. uncinatus M. J. Williams 1984-6-30 84- 80 -8 Modoc Seepage area near a reservoir, 6.8 miles west of Cedarville-Gerlach road. 1981 Comment
  UC61097  Rhamnus rubra Milo S. Baker 1893-1 Modoc Egg Lake Comment
  OBI48066  Ribes aureum Rhonda Riggins 1989-4-28 1667 Modoc Pencil rd, 4.4 mi N of hwy 395 E of Alturas 1524 Comment
  UC465779  Ribes aureum M. F. Gilman 527 Modoc Comment
  JEPS49276  Ribes aureum var. gracillimum B. C. Goldsmith 1910-1 Modoc Alturas Comment
  CAS-BOT-BC225866  Ribes cereum Robert J. Weatherby 1955-7-7 1606 Modoc 7 mi. N of Ft. Bidwell. 1889 Comment
  CAS-BOT-BC225867  Ribes cereum John H. Hatton 1911-6-13 73 Modoc unspecified 1493 Comment
  CAS-BOT-BC225894  Ribes cereum Barrett Anderson 1986-7-9 3185 Modoc Stough Reservoir Rd just E of Cedar Pass near Stough Reservoir, Warner Mts. 1965 Comment
  JEPS49421  Ribes cereum W. L. Jepson 1918-8-13 7958 Modoc Poison Flat Warner Mts., Eagle Peak 1889 Comment
  NY454991  Ribes cereum K. Paulson 1989-6-14 135 Modoc Ca. 1.5 miles northeast of Cedar Pass, Warner Mountains 1905.0 Comment
  UCD38342  Ribes cereum Beecher Crampton; with Carl Rimbey 1954-7-8 2185 Modoc 12 miles east of Likely. Canyon on the south fork of the Pit River. Comment
  UC75462  Ribes inerme var. inerme Milo S. Baker July, 1898 546 Modoc Forestdale Taylor Creek Comment
  CAS-BOT-BC225904  Ribes montigenum Elmer Ivan Applegate 1932-8-1 8062 Modoc Arid rocky summit of Warner Mountains S of Warren Peak. Comment
  JEPS43509  Ribes montigenum Frances D. Payne 1929-7-7 49 Modoc 2 mi sw Mt. Warren; Warner Mts., Pine Creek Basin 2133 Comment
  CAS-BOT-BC225911  Ribes roezlii var. roezlii Bruce Bartholomew; Barrett Anderson 1989-4-27 4623 Modoc Little Hot Spring Valley, 4.0 km NW of Day. 1070 Comment
  UC11478  Ribes roezlii var. roezlii Milo S. Baker 1893-6-12 Modoc Comment
  CAS-BOT-BC225923  Ribes velutinum Bruce Bartholomew; Barrett Anderson 1989-4-28 4653 Modoc 8.8 km N of State Highway 299 on road to Raker & Thomas Reservoir. 1470 Comment
  CAS-BOT-BC225928  Ribes velutinum Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-11 6500 Modoc W side of Timber Mountain on Crowder Flat Road. 1680 Comment
  CAS-BOT-BC423  Ribes velutinum R. M. Austin 1884-6-1 27 Modoc unspecified Comment
  RSA0019691  Ribes velutinum Bruce Bartholomew, B. Anderson 1989-4-27 4624 Modoc Little Hot Spring Valley, 4 km NW of Day. 1070 Comment
  NY455562  Ribes viscosissimum M. J. Williams 1984-6-29 84- 71 --3 Modoc Lily Lake, west side of the Warner Mountains 2072.6 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
  CAS-BOT-BC50367  Rigiopappus leptocladus Bruce Bartholomew 1992-5-17 6349 Modoc On abandoned dirt track, SW side of White Horse Mountains, SW of White Horse Flat Reservoir. 1300 Comment
  HSC28867  Rigiopappus leptocladus D. H. Norris, T. Nelson, S. Dowty 1971-6-23 19409 Modoc Along Hager Basin Rd. near Big Sage Reservoir. Comment
  CDA37713  Rorippa austriaca Breckenridge/Filippini 2007-6-14 s.n. Modoc South of Alturas, on Jones Lane. 0 Comment
  CDA37895  Rorippa austriaca J. L. Johnson 1980-7-9 s.n. Modoc Likely. 0 Comment
  CDA3844  Rorippa austriaca T. C. Fuller 1958-7-8 1972 Modoc Corporation Ranch, Likely. 0 Comment
  CHSC114918  Rorippa austriaca D. B. Joley 1976-6-23 7 Modoc Likely, near Alturas. Comment
  CHSC67098  Rorippa columbiae James D. Jokerst 1987-6-26 2942 Modoc Fairchield Swamp. Comment
  CAS-BOT-BC58376  Rorippa curvisiliqua Annie Montague Alexander; L. Kellogg 1946-6-26 4830 Modoc Dismal Swamp, N edge of Warner Mts. 2255 Comment
  CAS-BOT-BC58380  Rorippa curvisiliqua John Thomas Howell 1934-6-12 12037 Modoc Lassen Creek. Comment
  CAS-BOT-BC58417  Rorippa curvisiliqua Reed Clark Rollins; Kathryn W. Rollins 1983-7-6 83229 Modoc Above Widow Valley, ca. 3 mi E of Day. Comment
  SEINET11546665  Rorippa curvisiliqua M. J. Williams 1984-6-30 84- 80 -3 Modoc Near reservoir, 6.8 miles W of Cedarville-Gerlach Road. 1981 Comment
  CAS-BOT-BC58454  Rorippa nasturtium-aquaticum Bruce Bartholomew; Barrett Anderson 1989-6-2 4783 Modoc Long Canyon, 12 km NE of Fort Bidwell on the road to the Oregon border. 1550 Comment
  JEPS119968  Rosa woodsii subsp. ultramontana Lowell Ahart, John Dittes 2012-7-10 18318 Modoc Ash Creek State Wildlife Area, about 3.4 miles (air) west of Adin, about 8.2 miles (air) northeast of Bieber, Big Valley. Comment
  RSA11801  Rosa woodsii subsp. ultramontana Elmer I. Applegate 1929-6-25 5904 Modoc Willow Ranch, east side of Goose Lake Comment
  RSA210881  Rosa woodsii subsp. ultramontana Robert F. Thorne, James Henrickson, C. W. Tilforth 1969-9-4 39086 Modoc N Fork of Pit River 3.4 mi N of Alturas where crossed by Highway 395. 1341 Comment
  CAS-BOT-BC218256  Rosa woodsii var. ultramontana Alice Eastwood; John Thomas Howell 1940-6-12 8064 Modoc Between Likely and Jess Valley. Comment
  CAS-BOT-BC218257  Rosa woodsii var. ultramontana Leland S. Smith 1919-6-14 26 Modoc Deep Creek. 1524 Comment
  UC12904  Rosa woodsii var. ultramontana Milo S. Baker 1893-6-26 Modoc Forestdale Comment
  CAS-BOT-BC211335  Rumex acetosella Bruce Bartholomew 1994-7-1 6753 Modoc 11.9 km NW of State Hwy. 299 on road to Dutch Flat. 1400 Comment
  HSC17608  Rumex californicus M. T. Milligan 1964-6-20 67 Modoc 4 mi. E of Hwy. 395 on Hwy. 299 1524 Comment
  CHSC117144  Rumex crispus Lowell Ahart; John Dittes 2016-7-14 21192 Modoc West of a new pond, south of Ash Creek Canal (now filled in), south of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. 1273 Comment
  CAS-BOT-BC211350  Rumex lacustris Herbert Louis Mason; Verne Grant 1947-8-27 8309 Modoc South end of Clear Lake. Comment
  CDA22911  Rumex maritimus G. D. Barbe 1985-8-29 4248 Modoc West of Westside Road, South Fork of Pit River south of Alturas. 0 Comment
  UC1036082  Rumex salicifolius var. lacustris Annie M. Alexander and Louise Kellogg 1946-6-10 4711 Modoc Snake Lake Comment
  UC1101215  Rumex salicifolius var. lacustris Verne Grant and Irving Schneider 1947-8-27 8328 Modoc s end Clear Lake Comment
  CHSC117359  Rumex transitorius Lowell Ahart; John Dittes 2016-7-14 21194 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
  JEPS127298  Rumex transitorius Lowell Ahart, John Dittes 2016-7-14 21194 Modoc South of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin Big Valley. Comment
  CAS-BOT-BC95280  Sagina saginoides Francis Dorris Payne 1935-6-19 791 Modoc Parker Creek at mouth of Dry Creek. Comment
  NY446455  Sagina saginoides C. L. Hitchcock 1940-5-27 6708 Modoc 15 miles northeast of Alturas 1676.4 Comment
  CDA13465  Sagittaria cuneata G. F. Hrusa, T. D. Wilfred 1996-7-21 13312 Modoc Modoc Plateau; along Pit River at Modoc Co. Rd. 90 bridge. E base of Splawn Mtn. N end of Big Valley. Comment
  UC935798  Sagittaria cuneata Verne Grant and Irving Schneider 1947-7-29 8179 Modoc s Alturas (near Payne Reservoir, Fitzhugh Creek); Fitzhugh Creek, near Payne Reservoir Comment
  RSA577799  Sagittaria cuneata L. C. Wheeler 1935-8-5 3787 Modoc Warner Mountains: Mt. Diablo Mer.; Little Lily Lake, Pine Creek. 2287 Comment
  CAS-BOT-BC225112  Salix bebbiana A. D. Borden 1911-5-21 s.n. Modoc SE shore of Goose Lake Comment
  CAS-BOT-BC225118  Salix boothii Belknap C. Goldsmith 1910-8-11 19 Modoc Summit of Warner Mts, near Oregon-California line. 2194 Comment
  CAS-BOT-BC225121  Salix boothii Annie Montague Alexander; L. Kellogg 1946-6-25 4827 Modoc Dismal Swamp, N end of Warner Mountains. 2255 Comment
  CAS-BOT-BC225751  Salix boothii Francis Dorris Payne 1932-7-7 335 Modoc Pine Creek Basin, Warner Mts., about 33 km SE of Alturas. 2280 Comment
  UC481847  Salix eastwoodiae Frances D. Payne 1931-7-8 177 a Modoc ca. 33 km. se Alturas; Warner Mts., Pine Creek Basin 2280 Comment
  UC748350  Salix eastwoodiae Annie M. Alexander and Louise Kellogg 1946-6-25 4826 Modoc Dismal Swamp; n end Warner Mts. 2255 Comment
  CAS-BOT-BC225765  Salix exigua Elmer Ivan Applegate 1897-6-2 3030 Modoc Upper Pitt River valley S of Alturas. Comment
  CAS-BOT-BC225775  Salix exigua H. P. Bracelin 1931-6-30 501 Modoc Alturas, SW end of town. 1360 Comment
  CAS-BOT-BC225782  Salix exigua H. P. Bracelin; Francis Dorris Payne 1931-6-30 488 Modoc Parker Creek, 20 km E of Alturas. 1560 Comment
  NY187440  Salix exigua N. F. Bracelin 1931-6-30 501 Modoc Alturas 1360 Comment
  SJSU13880  Salix exigua N. A. Hopkins 1985-5-14 1278 Modoc outskirts of Cedarville, Warner Mts 1524 Comment
  SJSU249  Salix exigua Mrs. H. P. Bracelin & Miss F. D. Payne 1931-6-30 Modoc Parker Cr, 20 km E of Alturas, S of Payne Ranch 1524 Comment
  UC481816  Salix exigua Mrs. H. P. Bracelin 1931-6-30 501 Modoc sw end of town Alturas 1360 Comment
  UC481955  Salix exigua Mrs. H. P. Bracelin and Miss Frances D. Payne 1931-6-30 494 Modoc 20 km. e Alturas (Parker Creek, meadow s of Payne Ranch) 1560 Comment
  UC481960  Salix exigua Mrs. H. P. Bracelin and Miss Frances D. Payne 1931-6-30 495 Modoc 20 km. e Alturas (Parker Creek, meadow s of Payne Ranch) 1560 Comment
  NY187673  Salix lasiandra var. lancifolia N. F. Bracelin 1931-6-30 498 Modoc Parker Creek, 20 km east of Alturas 1560 Comment
  CAS-BOT-BC197558  Salix lasiandra var. lasiandra H. P. Bracelin; Francis Dorris Payne 1931-6-30 498 Modoc Parker Creek, 20 km E of Alturas. 1560 Comment
  CAS-BOT-BC197560  Salix lasiandra var. lasiandra Elmer Ivan Applegate 1936-5-22 10350 Modoc Lava Beds National Monument. Shoreline near and W of Stronghold. Comment
  LA208822  Salix lasiandra var. lasiandra Mrs. H. P. Bracelin; Miss Frances D. Payne 1931-6-30 498 Modoc Parker Creek, 20 km. E of Alturas; meadow S of Payne Ranch 1560.0 Comment
  JEPS14857  Salix lasiolepis Frances D. Payne 1931-6-10 136 Modoc Parker Creek Warner Mts., Parker Creek 1584 Comment
  SD900  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-29 Modoc Halfway between Adin and Canby 1349 Comment
  UC481842  Salix lasiolepis Frances D. Payne 1931-6-10 137 Modoc Warner Mts., Parker Creek 1560 Comment
  UC481926  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-29 486 Modoc halfway between Adin and Canby 1350 Comment
  UC481931  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-29 487 Modoc halfway between Adin and Canby (1/10 mi s of Rush Creek Service Sta., some distance from Rush Cr.) 1350 Comment
  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-BC229666  Salix lemmonii A. D. Borden 1911-5-21 s.n. Modoc SE shore of Goose Lake. Comment
  CAS-BOT-BC229667  Salix lemmonii Francis Dorris Payne 1931-6-25 279 Modoc Pine Creek Basin, Warner Mts., about 33 km SE of Alturas. 2280 Comment
  POM229223  Salix lemmonii Louis C. Wheeler 1935-8-3 3760 Modoc Warner Mountains: Pine Creek. 1738 Comment
  SBBG57898  Salix lemmonii F. D. Payne -Aug-1934 778 Modoc Pine Crk Basin 2316 Comment
  UC473996  Salix lemmonii Frances D. Payne 1931-7-7 336 Modoc ca. 33 km. se Alturas; Warner Mts., Pine Creek Basin 2280 Comment
  RSA59372  Salix lucida subsp. lasiandra E. K. Balls 1950-5-11 14621 Modoc 4 miles S of Fort Bidwell. W of Upper Lake. 1402 Comment
  CAS-BOT-BC229676  Salix lutea H. P. Bracelin; Francis Dorris Payne 1931-6-30 499 Modoc Parker Creek, 20 km E of Alturas. 1560 Comment
  CAS-BOT-BC229677  Salix lutea F. Angwin 1946-5-3 s.n. Modoc Ash Creek, Adin. 1371 Comment
  SBBG29031  Salix lutea Mrs. H. P. Bracelin, F. D. Payne 1931-6-30 499 Modoc Parker Crk, 20 km E of Alturas S of Payne Ranch 1560 Comment
  SD908  Salix lutea Mrs. H. P. Bracelin, Miss Frances D. Payne 1931-6-30 499 Modoc Perker creek, 20 km east of Alturas, in meadow south of Payne Ranch 1559 Comment
  CAS-BOT-BC229848  Salix melanopsis H. P. Bracelin; Francis Dorris Payne 1931-6-30 493 Modoc Parker Creek, 20 km E of Alturas. 1560 Comment
  NY187397  Salix melanopsis F. D. Payne 1931-6-30 493 Modoc Parker Creek, 20 km east of Alturas 1560 Comment
  CAS-BOT-BC229836  Salix scouleriana Belknap C. Goldsmith 1911-5-21 26 Modoc E shore of Goose Lake. Comment
  CAS-BOT-BC229837  Salix scouleriana C. L. Hitchcock 1940-5-27 6698 Modoc 15 mi. NE of Alturas. 1615 Comment
  CAS-BOT-BC229842  Salix scouleriana F. Angwin 1946-2-2 s.n. Modoc Adin. Comment
  CAS-BOT-BC229843  Salix scouleriana Francis Dorris Payne 1931-6-10 138 Modoc Parker Creek, Warner Mts. 1560 Comment
  UC5259  Salix scouleriana Milo S. Baker 1893-6 Modoc Big Valley Mts. Comment
  JEPS59866  Salsola tragus W. L. Jepson 1918-8-10 7938 Modoc Alturas 1371 Comment
  SEINET12765235  Salvia aethiopis Barbara Ertter 1995-7-1 14459 Modoc Hwy395 south of New Pine Creek on Oregon border, at jct of Country Rd. 44, weedy fields and roadside W of hwy.; 0 1463 Comment
  SEINET14190177 Image available Salvia aethiopis P. C. Martinelli, T. C. Fuller 1974-7-19 s.n. Modoc Alturas area Comment
  SEINET14190201 Image available Salvia aethiopis P. C. Martinelli, T. C. Fuller 1974-7-19 s.n. Modoc Alturas area Comment
  RSA59359  Salvia dorrii subsp. dorrii E. K. Balls 1950-5-21 14819 Modoc Opposite South Fork Public Camp, South Fork Pit River, on slopes 150 ft. above camp 1479 Comment
  RSA152722  Salvia dorrii subsp. dorrii I. L. Wiggins, Dorothy Wiggins 1961-6-12 16436 Modoc S facing slope 4 miles E of summit of Cedar Pass, betw Alturas & Cedarville Comment
  CAS-BOT-BC179245  Salvia dorrii var. dorrii Christopher Davidson 1975-6-4 2607 Modoc 1/4 mi W of Cedarville on Hwy 299. 1463 Comment
  RSA446306  Salvia dorrii var. pilosa Christopher Davidson 1975-6-4 2607 Modoc 1/4 mi. W of Cedarville on Hwy 299. 1463 Comment
  CAS-BOT-BC238785  Sambucus nigra subsp. caerulea John Thomas Howell 1934-6-11 11943 Modoc Parker Creek, Warner Mts. 1584 Comment
  CAS-BOT-BC95180  Sambucus racemosa var. melanocarpa K. Paulson; Robert Paulson 1991-8-28 254 Modoc Poison Lake, N end of Warner Mountains. 1828 Comment
  POM139968  Sanguisorba annua M. S. Baker 1893-1 s.n. Modoc Forestdale. Comment
  JEPS46338  Sanguisorba annua Frances D. Payne 1931-6-18 199 Modoc s and e Alturas (Parker Creek, Warner Mountains); Warner Mountains, Parker Creek 1584 Comment
  CAS-BOT-BC15678  Sanicula graveolens Bruce Bartholomew 1992-5-16 6335 Modoc NW side of Sweagert Flat. 1850 Comment
  CAS-BOT-BC15723  Sanicula graveolens Alice Eastwood; John Thomas Howell 1940-6-13 8186 Modoc W side of Cedar Pass. Comment
  POM312348  Saponaria officinalis Verne Grant, Irving Schneider 1947-8-24 8256 Modoc In pasture at south end of Jess Valley, Warner Mountains. Comment
  UC1567388  Saxifraga cespitosa Gary Schoolcraft and Rick York 1989-7-16 1968 Modoc s of Patterson Lake; Warner Mountains, Eagle Lake Area 2804 Comment
  RSA503035  Saxifraga oregana Bruce Bartholomew, B. Anderson 1988-6-24 4367 Modoc Vicinity of Patterson Campground, southern end of the Warner Mountains. 2190 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
  RSA210782  Schoenoplectus acutus var. occidentalis Robert F. Thorne, James Henrickson, C. W. Tilforth 1969-9-3 39024 Modoc SE end of Tule Lake Sump 0.5 miles N of turnoff to Lava Beds National Monument, (2.2 miles E of NE entrance to monument) 1265 Comment
  UC1100767  Schoenoplectus acutus var. occidentalis Herbert L. Mason, Verne Grant 1947-7-11 13379 Modoc along South Fork Pit River downstream from Jess Valley (by Forest Service camp site); along South Fork Pit River, downstream from Jess Valley Comment
  UC1587094  Schoenoplectus americanus G. Schoolcraft 1991-7-24 2188 Modoc Leonard Hot Spring NE of Middle Alkali Lake 1386 Comment
  UC1100762  Scirpus acutus var. occidentalis Herbert L. Mason, Verne Grant 1947-7-19 8061 Modoc Eastside Canal about one mi s Bayley's Bridge (s of Alturas); , Eastside Canal Comment
  HSC48002  Scirpus congdonii D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19462 Modoc Upper Rush Creek Campground about 8 mi. N of Adin on Hwy. 299 Comment
  CAS-BOT-BC245117  Scirpus microcarpus Bruce Bartholomew; Barrett Anderson 1988-7-21 4604 Modoc Above Upper Rush Creek Campground ca. 4 km E of State Highway 299 between Adin and Canby. 1580 Comment
  CAS-BOT-BC245124  Scirpus microcarpus Verne Grant; I. Schneider 1947-7-20 8096 Modoc North Fork of Pit River by Dorris bridge, Alturas. Comment
  UC1568  Scirpus microcarpus Milo S. Baker 1893-7-10 Modoc Comment
  RSA59882  Scirpus nevadensis E. K. Balls 1950-5-13 14668 Modoc Goose Lake, east shore about Willow Ranch. 1463 Comment
  UC1100800  Scirpus pungens Verne Grant, Irving Schneider 1947-7-19 8083 Modoc n Likely (Williams Ranch) Comment
  UC1100801  Scirpus pungens Verne Grant, Irving Schneider 1947-7-18 8056 Modoc s Alturas (s loop of eastside rd in Pit River Valley); Pit River Valley Comment
  CAS-BOT-BC179152  Sclerolinon digynum Milo S. Baker 1894-6-20 Modoc Near Whitehorse Lake. Comment
  HSC21139  Scrophularia californica R. C. Wunner 1965-6-20 215 Modoc California Lava Beds National Monument, Garden Bridges Cave 1524 Comment
  POM14466  Scrophularia californica subsp. floribunda Baker 1893-7-8 s.n. Modoc [No location information provided.] Comment
  CAS-BOT-BC197844  Scrophularia lanceolata Francis Dorris Payne 1932-5-27 412 Modoc Parker Creek. 1584 Comment
  RSA534558  Scrophularia lanceolata Bruce Bartholomew 1991-6-22 5834 Modoc E slope of S end of Warner Mtns, 3.4 km SW of County Road 1 on road to Patterson. 1620 Comment
  UC1192000  Scrophularia lanceolata Verne Grant and Irving Schneider 1947-7-20 8105 Modoc downstream from Alturas (Norht Fork of Pit river) Comment
  UC25817  Scutellaria nana Milo S. Baker 1893-7-8 Modoc Comment
  CAS-BOT-BC252545  Secale cereale John Thomas Howell 1934-6-12 11991 Modoc 6 mi. S of Davis Creek. Comment
  JEPS48026  Sedum lanceolatum Frances D. Payne 1931-6-29 284 Modoc trail from Granger Pass to Mt. Warren (Warner Mountains); , trail fr Granger Pass to Mt. Warren 1981 Comment
  CHSC12431  Sedum stenopetalum Robert W. Severin 1969-7-5 51 Modoc 3 mi w of Patterson Lake in Warner Mountains. 1828 Comment
  CAS-BOT-BC95623  Sedum stenopetalum subsp. stenopetalum Barrett Anderson 1986-7-9 3154 Modoc Hwy 299 just W of Cedar Pass, Warner Mts. 1920 Comment
  SD87796  Sedum stenopetalum subsp. stenopetalum Frank W. Peirson 1926-6-25 6866 Modoc Cedarville road, Warner Mountains, west slope. Comment
  UC831911  Senecio aronicoides C. L. Hitchcock 1940-5-27 6711 Modoc 15 mi ne Alturas 1615 Comment
  RSA0012427  Senecio aronicoides Bruce Bartholomew, B. Anderson 1988-6-24 4364 Modoc Vicinity of Patterson Campground, southern end of the Warner Mountains. 2190 Comment
  CDA8609  Senecio eurycephalus T. R. Haig 1962-5-21 Modoc Cedar Pass Road, 7 miles east of Highway 395. 0 Comment
  UC748428  Senecio fremontii var. occidentalis Annie M. Alexander and Louise Kellogg 1946-7-29 5084 Modoc Head Eagle Creek Warner Mountains Comment
  CHSC70717  Senecio hydrophiloides A. Sanger 1997-6-11 2511 Modoc Meadow on east side of road 44N69. 1981 Comment
  HSC31112  Senecio hydrophilus R. F. Thorne, C. W. Tilforth 1969-9-5 39167 Modoc Modoc National Forest: Warner Mtns.; Clear Lake 1768 Comment
  CAS-BOT-BC50256  Senecio integerrimus var. exaltatus Edward Kent Balls 1950-5-13 14682 Modoc W of Goose Lake, 1.5 mi. S of Oregon-California State Line. 1463 Comment
  CAS-BOT-BC50261  Senecio integerrimus var. exaltatus James Vale 1978-5-2 Modoc Boles Creek at Road 136 (E of S end of Clear Lake Reservoir). Comment
  CAS-BOT-BC50286  Senecio integerrimus var. exaltatus Bruce Bartholomew 1992-5-15 6295 Modoc Along Sand Creek in hills on the E side of Surprize Valley, E of N end of Middle Alkali Lake. 1620 Comment
  CAS-BOT-BC50287  Senecio integerrimus var. exaltatus Bruce Bartholomew 1992-5-15 6310 Modoc Upper end of Pleasants Canyon, W side of Warner Mountains. 1930 Comment
  CHSC67430  Senecio integerrimus var. exaltatus James D. Jokerst 1987-5-13 2867 Modoc Radar Survey Site S of Doublehead Mtn., S of Clear Lake Reservoir, S end of northern sector. 1359 Comment
  RSA0124985  Senecio integerrimus var. exaltatus Clare B. Hardham 1961-6-18 7588 Modoc Cedar Pass. 1828 Comment
  CAS-BOT-BC50268  Senecio serra var. serra Bruce Bartholomew 1989-8-12 5109 Modoc S end of Coyote Creek, ca. 1.5 km SW of Sunflower Knob, S end of Warner Mountains. 2040 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
  JEPS5942  Senecio serra var. serra Frances D. Payne 1931-7-4 318 Modoc s and e of Alturas; Warner Mountains, Parker Creek 1584 Comment
  CAS-BOT-BC50274  Senecio triangularis Bruce Bartholomew 1990-8-5 5676 Modoc Summit Trail, ca. 4 km N of Patterson Ranger Station, W side of Warner Mts. 2470 Comment
  UC71606  Senecio triangularis Mrs. M. H. Manning 1893-2 299 Modoc Mill Canyon Mill Canyon (north-eastern Modoc County) Comment
  RSA0011805  Shepherdia argentea W. P. Taylor, H. C. Bryant 1910-8-5 s.n. Modoc Warner Mountains, 5 mi. s. of Cedarville. 1433 Comment
  CAS-BOT-BC225037  Sibbaldia procumbens Annie Montague Alexander; L. Kellogg 1946-6-27 4853 Modoc Highgrade, (top of ridge, 2 mi. by road from Dismal Swamp) N end of Warner Mts. 2377 Comment
  CAS-BOT-BC179084  Sidalcea oregana subsp. oregana Elmer Ivan Applegate 1932-7-8 7565 Modoc Dry W margin of Cowhead Lake. Comment
  RSA101358  Sidalcea oregana subsp. oregana R. Weatherby 1955-7-8 1625 Modoc 6 miles N of Ft. Bidwell, Northern Warner Mts. 1738 Comment
  RSA503039  Sidalcea oregana subsp. oregana Bruce Bartholomew, B. Anderson 1988-6-24 4358 Modoc 9.8 km SW of County Road 1 on County Road 42, E side of the Warner Mountains 1960 Comment
  UC18928  Sidalcea oregana subsp. oregana Milo S. Baker 1893-7-10 Modoc Comment
  CAS-BOT-BC179056  Sidalcea oregana subsp. spicata Bruce Bartholomew; Barrett Anderson 1990-7-19 5437 Modoc Sweagert Flat. 1860 Comment
  CAS-BOT-BC179057  Sidalcea oregana subsp. spicata Annie Montague Alexander; L. Kellogg 1946-7-18 5024 Modoc Benton Meadow. 2072 Comment
  RSA666420  Sidalcea oregana subsp. spicata Barbara Ertter 1988-6-18 7612 Modoc West side of Highway 139 just south of where it crosses railroad at junction to Clear Lake, northeast of Dry Lake east of Lava Beds National Monument. 1250 Comment
  UC1618381  Sidalcea oregana subsp. spicata Barbara Ertter 1988-6-18 7612 Modoc e of Lava Beds National Monument Lava Beds National Monument Lava (ne of Dry Lake, w side of Highway 139 just s of where it crosses railroad at jct to Clear Lake); Highway 139 1249 Comment
  UCR131814  Sidalcea oregana subsp. spicata George Willet 1935-6-26 s.n. Modoc Warner Mountains, Jess Valley 1829 Comment
  POM126814  Sidalcea oregana subsp. spicata M. French Gilman 534 Modoc No location given 1524 Comment
  HSC4206  Silene douglasii M. T. Milligan 1966-8-3 627 Modoc W slope of Eagle Peak 2439 Comment
  POM203840  Silene douglasii J. T. Howell 1934-6-11 11958 Modoc Parker Creek, Warner Mts. 1585 Comment
  SEINET11944331  Silene douglasii M. Ownbey, Meyer, F. G. 1940-1 2154 Modoc Cedar Peak, Warner Mts Comment
  CAS-BOT-BC95250  Silene douglasii var. douglasii Francis Marion Ownbey; Frederick Gustav Meyer 1940-7-1 2154 Modoc Cedar Peak, Warner Mts. Comment
  UC8472  Silene lemmonii M. S. Baker and Frank Nutting 1894-6-8 Modoc Egg Lake Comment
  SEINET3087326 Image available 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. 1829 Comment
  CAS-BOT-BC95276  Silene oregana Leland S. Smith 1922-7-20 1271 Modoc Rush Creek Ranger Station. 2133 Comment
  CAS-BOT-BC95277  Silene oregana Leland S. Smith 1918-7-10 982 Modoc Mill Creek. 2133 Comment
  UC748475  Silene oregana Annie M. Alexander and Louise Kellogg 1946-8-9 5139 Modoc Patterson Lake Trail Warner Mountains, Patterson Lake Trail Comment
  CDA13477  Sisymbrium altissimum G. F. Hrusa, T. D. Wilfred 1996-7-21 13324 Modoc Modoc Plateau; Adjacent to Pit River at Modoc Co. Rd. 90 bridge. E base of Splawn Mtn. N end of Big Valley. Comment
  CAS-BOT-BC245082  Sisyrinchium idahoense var. idahoense Bruce Bartholomew 1991-7-5 5941 Modoc North Willow Creek, vicinity of the Oregon border. 1580 Comment
  HSC13935  Sisyrinchium idahoense var. idahoense M. T. Milligan 1965-7-11 445 Modoc N end of Jess Valley 1616 Comment
  UC21379  Sium suave Milo S. Baker 1893-7-24 Modoc Egg Lake Comment
  UC1191773  Solanum dulcamara Verne Grant, Irving Schneider 1947-7-19 8076 Modoc s of Alturas (along Southern Pacific right-of-way near East Canal, in Pit Valley, Williams Ranch); Pit Valley, Williams Ranch Comment
  CAS-BOT-BC245431  Solanum physalifolium var. nitidibaccatum John Thomas Howell 1934-7-2 12365 Modoc W side of Clear Lake. Comment
  JEPS114782  Solanum triflorum Lowell Ahart, John Dittes 2008-8-25 15329 Modoc On the north bank of Ash Creek, Ash Creek State Wildlife Area, 4500 feet south of County Road 87, 2.7 miles (air) west of Adin, 9.1 miles (air) northeast of Bieber 1271 Comment
  JEPS12115  Solanum triflorum Frank W. Peirson 1926-6-25 6878 Modoc Warner Mountains, Cedarville Road, 1 1/2 mi e of summit Cedarville Road; Warner Mountains, Cedarville Road Comment
  JEPS12132  Solanum triflorum F. H. Frost 1925-7-20 92 Modoc 2 mi above Cedarville (Cedar Camp); Cedar Camp Comment
  UCR131618  Solanum triflorum L. C. Wheeler 1935-9-22 3995 Modoc Warm Springs Valley, Pit River at Rattlesnake Butte 1341 Comment
  CAS-BOT-BC245428  Solanum triflorum Belknap C. Goldsmith 1912-9-1 74 Modoc Modoc County. 1341 Comment
  RSA2865  Solanum triflorum Carl B. Wolf 1931-9-5 2399 Modoc Roadside, on grade from Lake City-Fort Bidwell Road - to Davis Creek. (3 miles above east base) Warner Mtns. 1677 Comment
  CAS-BOT-BC54287  Solidago canadensis subsp. elongata C. C. (Mrs.) Bruce 1894-8-1 61 Modoc Davis Creek. Comment
  HSC6180  Solidago elongata M. T. Milligan 1966-7-26 584 Modoc Slopes and ridges E of Jess Valley 1646 Comment
  SEINET3167750  Solidago elongata J. C. Semple, B. A. Suripto 1990-8-11 9295 Modoc NE of Altura, flood plain of N. Fork Railroad by US-395, approx. 2 km S of Joseph Creek Rd. Comment
  UC672224  Solidago elongata F. H. Frost 1925-7-24 118 Modoc Jess Valley , Jess Valley (Warner Mts.) Comment
  POM140052  Sorbus californica M. S. Baker 1898-7-20 s.n. Modoc Taylor Creek. Forestdale. Comment
  CAS-BOT-BC158918  Sorbus scopulina A. D. Borden 1911-8-1 s.n. Modoc Along high run on south slope of south fork of Parker Creek, Modoc Forest. Comment
  RSA534707  Sorbus scopulina Bruce Bartholomew 1991-7-6 6000 Modoc Rush Creek above Upper Rush Creek Camp Ground. 1580 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-BC95284  Spergularia rubra Bruce Bartholomew; Barrett Anderson 1988-7-23 4583 Modoc Dismal Swamp, Warner Mts.. 2180 Comment
  HSC46164  Spiranthes romanzoffiana J. P. Smith, J. O. Sawyer 1973-8-9 7280 Modoc Blue Lake, Modoc Natl. Forest 1829 Comment
  UC748040  Stachys palustris subsp. pilosa Annie M. Alexander and Louise Kellogg 1946-7-12 4984 Modoc Twelve Mile Creek, ne corner of county Twelve Mile Creek Comment
  CHSC111096  Stachys rigida var. rigida Lowell Ahart; John Dittes 2012-7-12 18362 Modoc North edge of Ash Creek, south of the gravel pit, about 1/8 mile east of the parking area on the east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  CAS-BOT-BC95299  Stellaria nitens Bruce Bartholomew; Mona Bourell 1990-4-26 5149 Modoc 0.5 km S of Day. 1100 Comment
  CAS-BOT-BC95300  Stellaria obtusa Francis Dorris Payne 1932-7-14 682 Modoc Parker Creek Canyon. 1706 Comment
  CAS-BOT-BC54257  Stenotus acaulis Annie Montague Alexander; L. Kellogg 1946-8-9 5138 Modoc Patterson Lake Trail, Warner Mts. 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-BC54261  Stenotus stenophyllus Bruce Bartholomew; Mona Bourell 1990-4-27 5189 Modoc Near SW corner of Big Sage Reservoir, 13.5 km NW of Hwy 299 on Crowder Flat Rd. 1510 Comment
  CAS-BOT-BC54263  Stenotus stenophyllus E. S. Willits 1940-5-6 227 Modoc Davis Creek. Comment
  RSA59847  Stenotus stenophyllus E. K. Balls 1950-5-17 14730 Modoc South shore, Clear Lake Bird Refuge 1381 Comment
  RSA531364  Stephanomeria spinosa Bruce Bartholomew, B. Anderson 1990-7-21 5566 Modoc N Barber Creek, road to Surprise Valley to Patterson Ranger Station, E side of Warner Mtns. 1710 Comment
  UC566706  Stephanomeria tenuifolia F. H. Frost 1925-7-27 170 Modoc Clear Lake, nw Modoc County Clear Lake Comment
  HSC13361  Stipa occidentalis var. occidentalis R. C. Wunner 1965-6-20 221 Modoc Lava Beds N. M., Lava Brook Cave. 1463 Comment
  HSC9869  Stipa thurberiana Thomas W. Stark 1967-7-16 85 Modoc 2 mi. S of Lava Beds Natl. Monument, 10 mi. W of the town of Perez 915 Comment
  CAS-BOT-BC95050  Streptanthella longirostris Bruce Bartholomew 1993-6-13 6641 Modoc Consolidated sand dunes just W of Leonard Hot Spring, E side of Surprise Valley. 1410 Comment
  NY188820  Streptanthella longirostris B. M. Bartholomew 1993-5-10 6460 Modoc Near Eagleville Airport, E side of Surprise Valley. 1400 Comment
  UC585230  Streptanthus cordatus E. B. Babcock and G. L. Stebbins Jr. 1936-6-9 1832 Modoc steep n-facing talus slope about 3 mi w Cedarville; Warner Mountains, Cedar Creek Canyon Comment
  CAS-BOT-BC95054  Streptanthus cordatus var. cordatus Elmer Ivan Applegate 1932-8-5 8186 Modoc S slope of Cedar Mountain, Cedar Pass, Warner Mts. Comment
  RSA503244  Streptopus amplexifolius Bruce Bartholomew, B. Anderson 1988-7-22 4529 Modoc Mill Creek, Lake City Canyon, 5.5 km west of Lake City, east side of the Warner Mountains 1860 Comment
  UCD138351  Stuckenia pectinata Verne Grant; Irving Schneider 1947-7-19 8085 Modoc south of Williams Ranch House, north of Likely. Comment
  CAS-BOT-BC95572  Suaeda calceoliformis Isabelo T. Kelly 1930-1-1 33 Modoc Fort Bidwell. Comment
  UC1051440  Suaeda calceoliformis Herbert L. Mason 1955-8-14 14649 Modoc s end Goose Lake Comment
  UC412595  Swertia albicaulis var. albicaulis Mrs. M. H. Manning 1907-1 Modoc e side Mt. Bidwell (ne Modoc County); , 12 Mile Creek Comment
  CAS-BOT-BC245868  Symphoricarpos rotundifolius Mrs. R. M. Austin No date on label. 50 Modoc Hills west of Goose Lake Comment
  CAS-BOT-BC95199  Symphoricarpos rotundifolius var. rotundifolius K. Paulson; Robert Paulson 1989-5-21 125 Modoc Boles Creek on County Road 136. 1438 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
  UC711852  Symphoricarpos rotundifolius var. rotundifolius Roxana S. Ferris and Laura Lorraine 1941-8-13 10537 Modoc Patterson Ranger Station Warner Mountains, Modoc National Forest (East Creek drainage) 2164 Comment
  UC728630  Symphoricarpos rotundifolius var. rotundifolius Milo S. Baker 1930-6-13 8326 Modoc w entrance Cedar Pass; Warner Mts. Comment
  RSA99355  Symphoricarpos vaccinioides F. W. Peirson 1926-6-25 6880 Modoc Small side canyon 1 mile east of summit of Warner Mountains on Cedarville Road. Comment
  UC469064  Symphyotrichum bracteolatum Franklin P. Nutting Modoc Forestdale Comment
  UC912525  Symphyotrichum bracteolatum F. H. Frost 1925-7-24 119 Modoc Jess Valley Warner Mts. Comment
  UC71583  Symphyotrichum bracteolatum Mrs. M. H. Manning Modoc north-eastern Modoc County Comment
  UC86874  Symphyotrichum bracteolatum Mrs. R. M. Austin 1894-8-1 239 Modoc Banks of Pitt River Pitt River Comment
  HSC65385  Symphyotrichum foliaceum Thomas Wood 1979-8-8 217 Modoc 1 mi. S of Ft. Bidwell, along Hwy. 1, corner house where road turns W 1372 Comment
  UC748365  Symphyotrichum foliaceum Annie M. Alexander and Louise Kellogg 1946-7-12 4987 Modoc Twelve Mile Creek, ne corner of county Twelve Mile Creek Comment
  UC1192205  Symphyotrichum spathulatum Herbert L. Mason 1947-8-9 13480 Modoc n of, (Fairchild Swamp) Alturas; Fairchild Swamp Comment
  CAS-BOT-BC232362  Synthyris missurica Bruce Bartholomew; Barrett Anderson 1988-6-24 4306 Modoc Road beyond Poison Lake ca. 8 km S of the road from U.S. Highway 395 to Lily Lake, Warner Mts.. 2130 Comment
  CAS-BOT-BC232363  Synthyris missurica Robert Patterson; Mona Bourell 1993-8-14 5224 Modoc Patterson Lake. South Warner Wilderness Area. Warner Mountains. 2743 Comment
  JEPS27314  Synthyris missurica Frances D. Payne 1931-6-29 287 Modoc e slope of Mt. Warren, s of Mosquito Lake; Warner Mountains 2286 Comment
  JEPS29108  Synthyris missurica Lauramay T. Dempster 1961-6-19 1703 Modoc e of town of Davis Creek (Headwaters of south fork of Davis Creek); Headwaters of south fork of Davis Creek 2286 Comment
  RSA27982  Synthyris missurica subsp. missurica C. Leo Hitchcock 1940-5-27 6716 Modoc 15 miles NE of Alturas. 1982 Comment
  UC748172  Synthyris missurica subsp. missurica Annie M. Alexander and Louise Kellogg 1946-6-15 4774 Modoc Deep Creek Comment
  RSA152688  Taeniatherum caput-medusae I. L. Wiggins, Dorothy Wiggins 1961-6-12 16376 Modoc At junction of Cedar Pass road with California Highway 299, 5.5 miles N of Alturas. 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
  UCD86165  Taeniatherum caput-medusae T. C. Fuller 1959-7-8 2742 Modoc roadside hillslope, Hwy 299, 8 miles west of Alturas. Comment
  UCD86205  Taeniatherum caput-medusae L. Whitney 1935-7-20 3543 Modoc meadow near Canby. Comment
  CAS-BOT-BC54274  Taraxacum officinale Thomas C. Fuller 1979-6-4 20263 Modoc S side of Cedarville airport, 2 km N of Cedarville. Comment
  POM203852  Taraxacum officinale J. T. Howell 1934-6-14 12139 Modoc Near Lost Lake, Warner Mts. 2439 Comment
  JEPS31478  Taraxia subacaulis F. Payne 1929-7-7 54 Modoc 2 mi sw Warren Peak; Warner Mts., Pine Creek Basin 2133 Comment
  SJSU13874  Taraxia tanacetifolia N. A. Hopkins 1985-5-13 1268 Modoc by Hwy 395 c. 30 mi S of Alturas Comment
Read comments
Mar 25 2016
  SDSU2047  Taxus brevifolia L. N. Harvey 1929-9-1 572 Modoc Comment
  CAS-BOT-BC54229  Tetradymia canescens Francis Dorris Payne 1932-8-1 756 Modoc Parker Creek. 1828 Comment
  CAS-BOT-BC217130  Thalictrum fendleri Bruce Bartholomew 1990-8-4 5620 Modoc Trail from the roadhead to Pine Creek Basin, W side of Warner Mts. 2160 Comment
  CAS-BOT-BC217171  Thalictrum fendleri Frank Warrington Peirson 1926-6-25 6877 Modoc Small side canyon 1 mi E of summit, Cedarville Road, Warner Mts. Comment
  UCR138266  Thalictrum fendleri David A. Charlet 1989-8-14 485 Modoc Warner Mtns, 1.4 km NW of Eagle Peak 2550 Comment
  HSC1958  Thalictrum sparsiflorum M. T. Milligan 1966-7-27 588 Modoc E of Jess Valley 1646 Comment
  UC10958  Thelypodium howellii M. S. Baker and Frank Nutting 1893-7-6 Modoc Comment
  CAS-BOT-BC95077  Thelypodium milleflorum Bruce Bartholomew 1990-6-17 5339 Modoc Surprise Valley, SE corner of Upper Alkali Lake. 1390 Comment
  CAS-BOT-BC181795  Thermopsis californica var. argentata Milo Samuel Baker 1899-8-18 Modoc Forestdale. Comment
  CAS-BOT-BC181800  Thermopsis californica var. argentata Milo Samuel Baker 1894-8-1 Modoc Forestdale, Comment
  UC83211  Thermopsis macrophylla var. argentata M. S. Baker and Frank Nutting June 1894 Modoc Forestdale Comment
  CAS-BOT-BC95084  Thlaspi arvense Bruce Bartholomew; Barrett Anderson 1988-6-25 4380 Modoc SW side of Jess Valley, Warner Mts.. 1540 Comment
  CDA25249  Thlaspi arvense C. B. Greenbank 1980-5-8 Modoc Clyde Huffman ranch, Tulelake. 0 Comment
  CDA36792  Thlaspi arvense D. B. Joley 1976-6-23 3 Modoc Likely, near Alturas. 0 Comment
  UCD115575  Thlaspi arvense W. S. Ball 1937-6-27 s.n. Modoc Modoc County. Comment
  RSA520375  Thysanocarpus curvipes var. curvipes Bruce Bartholomew, B. Anderson 1989-6-1 4738 Modoc Ca. 0.5 km S of State Hwy 299 on road to Shaker Spring. 1420 Comment
  UCSC000057  Torreyochloa pallida var. pauciflora A. L. Hormay 1932-7-17 s.n. Modoc Lily Lake Comment
  CAS-BOT-BC54245  Townsendia scapigera Lemmon 1879-5-1 s.n. Modoc Modoc County. Comment
  UC1601311  Townsendia scapigera unknown May 1879 Modoc Surprise Valley Comment
  UCD139868  Toxicoscordion paniculatum Dean Dubbe 1974-5-26 15- 6 Modoc west side of South Warner Wilderness. 1737 Comment
  CAS-BOT-BC181779  Trifolium cyathiferum Bruce Bartholomew 1994-7-1 6760 Modoc 11.9 km NW of State Hwy. 299 on road to Dutch Flat. 1400 Comment
  CAS-BOT-BC181781  Trifolium cyathiferum Bruce Bartholomew 1993-6-14 6666 Modoc Russell Canyon, just S of the Oregon border and NW of Clear Lake Reservoir. 1400 Comment
  CHSC117567  Trifolium cyathiferum Lowell Ahart; John Dittes 2016-7-14 21172 -A Modoc West side of a new pond, south of Ash Creek Canal (now filled in), south of Ash Creek, Ash Creek State Wild life Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. 1273 Comment
  RSA582429  Trifolium cyathiferum Louis C. Wheeler 3727 Modoc Dismal Swamp, Twenty-Mile Creek, Warner Mts. 2226 Comment
  RSA91394  Trifolium cyathiferum F. W. Peirson 1926-6-25 6893 Modoc small side canyon 1 mile east of summit of Warner Mts., on Cedarville Road Comment
  CAS-BOT-BC181744  Trifolium longipes Annie Montague Alexander; L. Kellogg 1946-6-26 4832 Modoc Dismal Swamp. 2255 Comment
  CAS-BOT-BC181752  Trifolium longipes Annie Montague Alexander; L. Kellogg 1946-6-8 4694 Modoc Road from Eagleville to Patterson Mill. 2286 Comment
  NY717187  Trifolium longipes B. M. Bartholomew 1990-7-20 5502 Modoc Tamarack Flat, east side of Warner Mountains 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
  JEPS33196  Trifolium longipes var. hansenii L. S. Smith 1917-1 792 Modoc Jess Valley Warner Mtns Comment
  HSC71401  Trifolium macrocephalum J. P. Smith, J. O. Sawyer 1972-5-6 5244 Modoc County Rd. 86, just E of Adin. 1098 Comment
  SJSU7631  Trifolium macrocephalum H. L. Buckalew 1961-6-23 Modoc near Stowe Reservoir c. 2 mi N of Cedar Pass on Alturas-Cedarville Rd, Warner Mts Comment
  CAS-BOT-BC180170  Trifolium microcephalum Bruce Bartholomew; Barrett Anderson 1988-6-25 4401 Modoc Ryan Canyon, N of Adin. 1390 Comment
  CAS-BOT-BC181758  Trifolium productum Leland S. Smith 1917-7-18 81 Modoc Soldier Creek. 1981 Comment
  CAS-BOT-BC181760  Trifolium productum Bruce Bartholomew; Barrett Anderson 1990-7-20 5522 Modoc Tamarack Flat, E side of Warner Mts. 2150 Comment
  CAS-BOT-BC181769  Trifolium productum G. Schoolcraft 1988-7-16 1832 Modoc E slope of Squaw Peak, Warner Mts. 2560 Comment
  HSC30123  Trifolium variegatum D. H. Norris, T. Nelson, S. Dowty 1971-6-23 19520 Modoc Big Valley Summit, 6 mi. W of Adin on Hwy. 299 Comment
  UC165600  Trifolium willdenovii Mrs. M. H. Manning 1903-1 228 Modoc near Fort Bidwell Comment
  CAS-BOT-BC180158  Trifolium wormskioldii Bruce Bartholomew 1989-8-11 5073 Modoc Along Lassen Creek near SE side of Harris Flat, Warner Mountains. 1920 Comment
  CAS-BOT-BC180160  Trifolium wormskioldii Bruce Bartholomew; Barrett Anderson 1990-7-20 5540 Modoc Buck Creek between Del Pratt Spring and Howard Flat, W side of Warner Mts. 1990 Comment
  POM27705  Trifolium wormskioldii R. M. Austin 1895-07 258 Modoc Goose Lake Valley. Comment
  JEPS66101  Trifolium wormskioldii Frances D. Payne 1931-6-17 170 Modoc se Alturas (Parker Creek); Warner Mtns 1584 Comment
  CAS-BOT-BC245032  Triglochin concinna var. debilis Edward Kent Balls 1950-5-10 14604 Modoc Below Menlo Baths, W shore of Lower Lake. 1402 Comment
  CAS-BOT-BC245033  Triglochin concinna var. debilis Herbert Louis Mason; Verne Grant 1947-7-12 13438 Modoc Corporation Ranch Headquarters, N of Likely. Comment
  POM313027  Triglochin maritima H. L. Mason, Verne Grant 1947-7-12 13438 Modoc Corporation Ranch Headquarters, north of Likely. Comment
  SEINET12775420  Tsuga mertensiana D. A. Charlet 1996-7-28 2316 Modoc Sierra Nevada, Great Basin Drainage (East Walker River); Eagle Creek 2735 Comment
  HSC21674  Urtica urens R. C. Wunner 1965-8-31 491 Modoc Lava Beds National Monument, Fern Cave entrance. Comment
  RSA603739  Utricularia macrorhiza Louis C. Wheeler 1935-9-29 4012 Modoc Two miles south of Alturas 1357 Comment
  SJSU9379  Utricularia minor W. Savage 1979-7-6 1382 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  CAS-BOT-BC95304  Vaccaria hispanica Annie Montague Alexander; L. Kellogg 1946-6-15 4783 Modoc Deep Creek. 1463 Comment
  CHSC109894  Valeriana californica B. Castro; L. P. Janeway 2012-7-26 1967 Modoc Warner Mountains. Along Highgrade National Recreation Trail 0.6 air mi SW of Little Lily Lake and 1air mi N of Mt. Vida. 2334 Comment
  CHSC111993  Valeriana californica B. Castro; L. P. Janeway 2008-8-17 1754 Modoc Warner Mountains. North slope of Bald Mountain; mid-slope not far above last row of trees. 2319 Comment
  UC28813  Valeriana californica Mrs R. M. Austin and Bruce Austin June 1898 2262 Modoc Lake City Canyon Comment