Search Results — 2000 specimen records retrieved (1508 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/consortium/).
 Records are made available under the CCH Data Use Terms.

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC77932  Abies Roxana S. Ferris; Laura Lorraine 1941-8-13 10574 Modoc Patterson Ranger Station (East Creek drainage) Modoct National Forest, Warner Mountains 2164 Comment
  CAS-BOT-BC73545  Abies concolor Elmer I. Applegate 1932-7-7 8218 Modoc Yellow Mountain, near Lily Lake, Bidwell Pass, Warner Mountains. Comment
  UC1280962  Abies concolor H. E. McMinn 1931-5-23 2443 Modoc Warner Mts. Comment
  UC401289  Abies concolor Mrs. M. H. Manning Modoc Ft. Bidwell Comment
  SEINET10833947  Abies concolor LeRoy E. Detling 1948-5-24 Detling 6249 Modoc Cedar Pass. Fir forest. Narrow stream valley; moist clay-loam. 1798 Comment
  CAS-BOT-BC15637  Achillea millefolium Bruce Bartholomew; Barrett Anderson 1988-7-21 4432 Modoc Whipple Spring, E side of Whitehorse Flat Reservoir. 1340 Comment
  CAS-BOT-BC15673  Achillea millefolium Bruce Bartholomew 1990-6-17 5305 Modoc Vicinity of Emerson Camp near roadhead, E side of Warner Mts. 1750 Comment
  CAS-BOT-BC242286  Achnatherum Leland S. Smith 1924-5-31 1352 Modoc S of field, Egg Lake Ranch. Comment
  UC1153792  Achnatherum X bloomeri Burgess L. Kay June, 1957 Modoc 2 mi ne Likely Comment
  UCD50343  Achnatherum hymenoides Beecher Crampton; with Carl Rimbey 1954-7-7 2151 Modoc 7 miles east of Cedarville. Comment
  CAS-BOT-BC242325  Achnatherum lemmonii C. L. Hitchcock 1940-5-28 6724 Modoc 15 mi. N of Alturas, near Surprise. 1402 Comment
  SEINET191855 Image available Achnatherum lemmonii C. L. Hitchcock 1940-5-28 6724 Modoc 15 mi N of Alturas (near Surprise) 1402 Comment
  UCD50471  Achnatherum lemmonii Beecher Crampton; with Carl Rimbey 1954-7-6 2113 Modoc 20 miles E of Alturas. Warner Mountains. Above Shields Creek. Comment
  UC1025060  Achnatherum occidentale subsp. pubescens Leo Whitney 1935-7-23 3569 Modoc 15 mi w Canby (Happy Camp); Modoc National Forest 1463 Comment
  UC1037133  Achnatherum occidentale subsp. pubescens Leo Whitney 1935-6-9 3206 Modoc White Horse Comment
  UC1153863  Achnatherum occidentale subsp. pubescens Beecher Crampton 1954-7-6 2114 Modoc 20 mi e Alturas (Shields Creek); Warner Mountains, Shields Creek 1524 Comment
  UCD51170  Achnatherum occidentale subsp. pubescens L. Whitney 1935-7-25 s.n. Modoc near Lava Ranger Station. Comment
  UCD32714  Achnatherum thurberianum Beecher Crampton 1954-7-7 2146 Modoc Modoc County, 3 miles west of Cedarville, east side of Cedar Pass, on volcanic slopes. 1097 Comment
  UCD51428  Achnatherum thurberianum Beecher Crampton; Carl Rimbey 1954-7-7 2146 Modoc East side of Cedar Pass, Warner Mountains, 3 miles west of Cedarville. Comment
  SEINET957345  Acmispon denticulatus I. L. Wiggins 1961-1 16475 Modoc Roadside 2.4 mi. S of Village of Davis Creek, SE side of Goose lake. Comment
  RSA520447  Aconitum columbianum var. columbianum Bruce Bartholomew 1990-7-20 5498 Modoc Tamarack Flat, E side of Warner Mts. 2150 Comment
  CDA34271  Acroptilon repens L. Ahart, J. Dittes 2010-8-31 17093 Modoc Just south of the Parking Area on the west side of Elkins Lane, Ash Creek State Wildlife Area, about 7.2 miles (air) northeast of Bieber, Big Valley. Comment
  CAS-BOT-BC218316  Actaea rubra K. Paulson; Robert Paulson 1990-7-2 208 Modoc Cave Lake, W side of Warner Mts. 1987 Comment
  UC71877  Actaea rubra Mrs. M. H. Manning August, 1903 120 Modoc n.e. Modoc Co. 1432 Comment
  CAS-BOT-BC218324  Adonis aestivalis E. Hawver 1926-6-1 s.n. Modoc Near Canby. Comment
  CHSC68565  Adonis aestivalis Vernon H. Oswald; Beth Corbin, Gary Schoolcraft 1997-5-17 8463 Modoc Bushey Rd. on the north side of the Pit River south of Canby Bridge. Roadside bordering a field. 1280 Comment
Read comments
May 4 2012
  UC2026973  Adonis aestivalis Anthony Baniaga 2011-6-10 323 Modoc Along Highway 299, ca. 0.25 mi E of County Road 75. Quadangle Comment
  UCD95442  Adonis aestivalis T. C. Fuller 1963-7-11 10643 Modoc S. of Hwy 299 to Adin, 2.0 mi. w. of Canby. Comment
  CAS-BOT-BC179881  Agastache urticifolia Bruce Bartholomew 1989-7-15 4983 Modoc 7 km from State Hwy 299 on road to Manzanita Mountain. 1830 Comment
  CAS-BOT-BC15648  Ageratina occidentalis Bruce Bartholomew 1990-8-4 5653 Modoc E and below junction of Pine Creek Trail and Summit Trail, E side of Warner Mts. 2680 Comment
  HSC67885  Ageratina occidentalis J. P. Smith, J. O. Sawyer 1973-8-9 7256 Modoc Blue Lake, Modoc National Forest. 1829 Comment
  UC571022  Ageratina occidentalis F. H. Frost 1925-7-20 91 Modoc 2 mi above Cedarville; Warren Mts., Cedar Campt Comment
  POM54280  Ageratina occidentalis M. S. Baker 1897-08 s.n. Modoc North Side of Egg Lake in Lava Comment
  CAS-BOT-BC15521  Agoseris X dasycarpa Leland S. Smith 1922-8-1 1316 Modoc Dutch Flat 1371 Comment
  CAS-BOT-BC23035  Agoseris grandiflora var. grandiflora John Thomas Howell 1934-6-13 12079 A Modoc Fandango Pass, Warner Mts. 1828 Comment
  HSC81031  Agoseris monticola G. M. Riegel 1979-7-23 594 Modoc South Warner Mountains 1829 Comment
  CAS-BOT-BC126789  Agoseris parviflora Alice Eastwood; John Thomas Howell 1940-6-11 8029 Modoc 8 miles from Canby on road to Alturas Comment
  CAS-BOT-BC126788  Agoseris parviflora E. H. Steffen 1917-6-11 45 Modoc Jess Valley 1524 Comment
  UCD57174  Agropyron cristatum B. L. Kay 1957-6-1 s.n. Modoc Modoc Co. Comment
  UC1100112  Agrostis alba Herbert L. Mason and Verne Grant 1947-8-13 13533 Modoc meadow on ne side of reservoir n Canby; F Reservoir Comment
  UC1137135  Agrostis alba August L. Hormay 1932-7-15 Modoc Pease Cabin Modoc National Forest, Pease Cabin Comment
  CAS-BOT-BC127422  Agrostis exarata B. Bartholomew 1989-8-11 5073 A Modoc Along Lassen Creek near southeast side of Harris Flat, Warner Mountains. 1920 Comment
  JEPS119855  Agrostis exarata Lowell Ahart, John Dittes 2012-7-11 18347 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 Country Road 87, about 7.5 miles (air) west of Adin, about 10.2 miles (air) east of Lookout, Big Valley. Comment
  JEPS123866  Agrostis exarata Lowell Ahart, John Dittes 2015-7-16 20394 Modoc Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. Comment
  UC1037177  Agrostis exarata Leo Whitney 1935-8-11 3623 Modoc dry stream bed near dam (Lake Joaquina, Hackamore, ca 15 mi nw of Canby); Modoc National Forest, Lake Joaquina 1463 Comment
  UCD52106  Agrostis exarata Beecher Crampton; Carl Rimbey 1954-7-8 2171 Modoc Peat meadow, Jess Valley, Warner Mountains, 15 miles east of Likely. Comment
  UCD52303  Agrostis exarata L. Whitney 1935-6-29 s.n. Modoc edge of Hackamore Reservoir. Comment
  UCD52379  Agrostis exarata L. Whitney 1935-7-21 s.n. Modoc Happy Camp. Comment
  HSC8798  Agrostis idahoensis M. T. Milligan 1966-7-5 561 Modoc Slopes and ridges E of Jess Valley 1768 Comment
  UCD53122  Agrostis pallens Leo Whitney Date Unknown 2182 Modoc Hackamore, 15 miles norhtwest of Canby, Modoc National Forest. 1463 Comment
  UC53473  Agrostis scabra M. S. Baker and F. Nutting 1894-8-25 Modoc near Forestdale 1371 Comment
  UCD53442  Agrostis scabra Beecher Crampton; Carl Rimbey 1954-7-8 2170 Modoc Peat Meadow, floor of Joss Valley, Warner Mountains, 15 miles east of Likely. Comment
  UCR34682  Agrostis scabra var. geminata J. A. Harpel 1981-8-6 V- 19 Modoc Warner Mtns, South Warner Wilderness Area: E end of Patterson Lake, 7 mi NW of Eagleville 2744 Comment
  CHSC112045  Agrostis stolonifera Lowell Ahart; John Dittes 2012-7-10 18323 Modoc On dry soil, along the south side of the drainage, northwest of the old homestead, Ash Creek State Wildlife Area, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  UCD53576  Agrostis stolonifera August L. Hormay 1932-7-15 s.n. Modoc Pease Cabin, Modoc National Forest. Comment
  CAS-BOT-BC242417  Agrostis variabilis Bruce Bartholomew; Barrett Anderson 1988-7-23 4576 Modoc Dismal Swamp, Warner Mts.. 2180 Comment
  CAS-BOT-BC190687  Aliciella lottiae Bruce Bartholomew; Barrett Anderson 1989-6-2 4837 Modoc 6.4 km E of Eagleville on the road to the California state border, E side of Surprise Valley. 1550 Comment
  CAS-BOT-BC245222  Alisma gramineum Alice Eastwood; John Thomas Howell 1940-6-12 8037 Modoc Likely. Comment
  POM313031  Alisma gramineum H. L. Mason 1955-8-13 14653 -A Modoc Southwest side of Goose Lake Comment
  HSC26581  Allium acuminatum D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19381 Modoc Along the S Fork of the Pit River, ~6 mi. E of Likely. Comment
  JEPS78242  Allium acuminatum L. R. Heckard with T. I. Chuang and R. C. Bacigalupi 1978-7-19 4887 Modoc Cedar Pass Warner Mts., Cedar Pass 1920 Comment
  RSA70206  Allium acuminatum F. W. Peirson 1926-6-25 6874 Modoc Summit of grade, Cedarville Pass, Warner Mountains. Comment
  UC1036050  Allium acuminatum Annie M. Alexander and Louise Kellogg 1946-6-12 4737 Modoc w side, Fandango Pass road Fandango Pass road 1706 Comment
  JEPS56363  Allium acuminatum L. S. Smith 1919-6-1 Modoc near Willow Ranch; Warner Mts., Deep Creek 1584 Comment
  SEINET12048088  Allium acuminatum Unknown 1945-1 Modoc Comment
  SEINET12048490  Allium acuminatum Unknown 1957-1 Modoc Comment
  SEINET256828  Allium acuminatum M. J. Williams 1984-1 Modoc 0 Comment
  CAS-BOT-BC245001  Allium amplectens Bruce Bartholomew 1991-6-21 5830 Modoc W side of Goose Lake, 1.4 km N of junction with Forest Service road 73. 1450 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
  JEPS114943  Allium lemmonii Lowell Ahart, John Dittes 2008-6-21 15013 Modoc South of a large pond, south of a large levee, in Big Valley, about 4.6 miles (air) northeast of the Headquarters at Ash Creek State Wildlife Area, about 7.6 miles (air) northeast of Bieber 1266 Comment
  RSA367064  Allium lemmonii George Willet 1935-6-21 s.n. Modoc Warren Mountains. 2287 Comment
Read comments
Jul 16 2011
  RSA540060  Allium lemmonii Bruce Bartholomew 1990-6-16 5279 Modoc Bear Flat, west side of Warner Mountains. 1830 Comment
  CAS-BOT-BC244981  Allium parvum K. Paulson; Robert Paulson 1989-4-16 99 Modoc Crowder Flat Road, Devil's Garden. Comment
  CHSC75559  Allium parvum V. H. Oswald; B. Corbin, A. Sanger, G. Schoolcraft 1999-6-12 9766 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
  SEINET222584  Allium parvum D. W. McNeal 1979-5-13 2225 Modoc Beside Hwy # 395, 15.8 mi S. of te Jct. of Hwy #299 in Alturas. Comment
  CAS-BOT-BC244972  Allium platycaule John Thomas Howell 1934-6-11 11920 Modoc Parker Creek. 1584 Comment
  SEINET3878894  Allium platycaule D. W. McNeal 1980-6-2 2341 Modoc On a hillside above Hwy #395, 9.7 mi S of Davis Creek.; 0 Comment
  UC1585382  Allium platycaule R. Raiche and K. Zadnik 1989-7-5 90217 Modoc n Cedar Pass; Warner Mts., Cedar Mt. Area, Soldier Creek drainage 1985 Comment
  CHSC117821  Allium tolmiei var. tolmiei L. P. Janeway 2016-5-18 12063 Modoc Modoc Plateau. Devils Garden area; Island Meadow, along Road 47N08 2.1 road-km north of Road 73/181/47N09. 1606 Comment
  CAS-BOT-BC244957  Allium tolmiei var. tolmiei D. Toren; Barbara Trowbridge 1975-6-19 5246 Modoc Jess Valley to Blue Lake. 1524 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
  CHSC30630  Alopecurus Sandra C. Morey 1980-4-26 75 Modoc Hwy. 299, ca. 0.1 mi. n of jctn. with Hwy 139 at Adin. In ditch along roadside. 1280 Comment
  CAS-BOT-BC242348  Alopecurus aequalis Alice Eastwood; John Thomas Howell 1940-6-12 8088 A Modoc Jess Valley. Comment
  CAS-BOT-BC242349  Alopecurus aequalis Leland S. Smith 1918-6-22 942 Modoc Willow Creek below Ranger Station. 1676 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
  UC1024851  Alopecurus geniculatus Leo Whitney 1935-6-9 3198 Modoc White Horse lake (Flat) near White Horse 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
  JEPS120881  Alopecurus pratensis Lowell Ahart, John Dittes, Todd Sloat 2013-6-8 18768 Modoc About 100 yards NE of the 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
  HSC42319  Alyssum alyssoides S. Saufferer 1973-5-5 131 Modoc About 7 1/2 mi. S of Pine Creek along Hwy. 395 Comment
  SEINET10904353  Alyssum desertorum Paul Gallian, David B. Dunn 1971-6-3 Gallian 525 Modoc 5 mi s canby on state hwy 299, lupinus heavily carpeting hillsides of large basaltic boulders, sparse juniper-artemesia, purshia, poa assoc. 1280 Comment
  SEINET3871799  Amaranthus blitoides Richard R. Halse 2010-9-2 8110 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
  UC71568  Amaranthus blitoides Mrs. M. H. Manning Jul 1903 242 Modoc north-eastern near Fort Bidwell. Comment
  CHSC71843  Amaranthus californicus Vernon H. Oswald; Lowell Ahart 1998-9-8 9598 Modoc Mosquito Lake on the north side of Whitehorse Flat Reservoir ca. 20 air mi north of McArthur. 1341 Comment
  UC1191390  Amaranthus californicus Herbert L. Mason 1947-8-8 13461 Modoc Southwest margin of Big Sage Reservoir, northwest of Alturas. Comment
  CHSC99903  Amaranthus powellii Lowell Ahart; John Dittes 2008-8-25 15290 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
  UC2048631  Amelanchier C. S. Campbell 2018-5 08026 Modoc Road up Manzanita Mt. Comment
  SEINET191880  Amelanchier alnifolia C. L. Hitchcock 1940-5-27 6701 Modoc 15 mi NW of Alturas 1676 Comment
  RSA164429  Amelanchier pumila Clare B. Hardham 1961-6-20 7887 Modoc Top of Bidwell Road, Road to Dismal Creek. 2439 Comment
  CAS-BOT-BC214627  Amelanchier utahensis K. Paulson; Robert Paulson 1989-5-8 107 Modoc Howard's Gulch, along Hwy 139. 1371 Comment
  CAS-BOT-BC214634  Amelanchier utahensis Alice Eastwood; John Thomas Howell 1940-6-13 8122 Modoc Near Davis Creek. Comment
  CAS-BOT-BC217081  Amelanchier utahensis C. Wolf 1931-9-5 2400 Modoc Warner Mts., on grade 3 mi. above E base, road from Lake City-Fort Bidwell Road-Davis Creek. 1676 Comment
  SBBG27371  Amelanchier utahensis C. L. Hitchcock 1940-5-27 6701 Modoc 15 mi NE of Alturas 1615 Comment
  UC12099  Amelanchier utahensis Milo S. Baker 1893-6-20 Modoc Comment
  UCD48753  Amphiscirpus nevadensis Louis C. Wheeler 1935-9-4 3944 Modoc McGinty Point, Goose Lake, Modoc. Co. 1463 Comment
  CAS-BOT-BC54158  Amsinckia menziesii John Thomas Howell 1934-6-16 12218 Modoc 5 mi. from Adin on road to Alturas. Comment
  UC1008303  Amsinckia menziesii var. menziesii L. R. Heckard, R. Bacigalupi 1952-6-18 309 Modoc 3/4 mi e Canby (by railroad crossing, along US Hwy 299) Comment
  UC71689  Anaphalis margaritacea Mrs. M. H. Manning 1903-9-3 373 Modoc John Henry Camp Comment
  CAS-BOT-BC15617  Antennaria argentea John Thomas Howell 1934-6-11 11968 Modoc Parker Creek. 1584 Comment
  CDA33454  Antennaria argentea Dale Woods, V. Popescu, B. Villegas 2010-6-3 Modoc Kelly Springs Rd; about 2 miles southeast of Hwy 299, Modoc National Forest. 0 Comment
  JEPS33961  Antennaria argentea F. H. Frost 1925-7-11 11 Modoc 2 mi above, Cedar Canyon campsite Cedarville; Cedar Canyon Comment
  RSA503242  Antennaria argentea Bruce Bartholomew, B. Anderson 1988-7-22 4535 Modoc Mill Creek, Lake City Canyon, 5.5km W of Lake City, E side of the Warner Mtns. 1860 Comment
  SEINET6735045 Image available Antennaria argentea M. S. Baker 1893-1 s.n. Modoc Egg Lake Comment
  CAS-BOT-BC15579  Antennaria dimorpha Bruce Bartholomew; Barrett Anderson 1989-4-27 4609 Modoc 2.1 km SSE of Day on road to State Highway 299. 1020 Comment
  CAS-BOT-BC15623  Antennaria dimorpha Mrs. H. C. Cantelow 1941-5-23 3510 Modoc 2 mi. W of Adin summit on Hwy 299, E of Bieber. Comment
  HSC31345  Antennaria dimorpha D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19416 Modoc Along Hager Basin Rd. near Big Sage Reservoir. Comment
  CAS-BOT-BC15622  Antennaria dimorpha Mrs. H. C. Cantelow 1940-5-31 3221 Modoc 8.9 mi. E of Indian Springs. Comment
  JEPS89479  Antennaria flagellaris Dean Wm. Taylor with Glenn L. Clifton 1992-5-7 12525 Modoc 0.5 mi. e. Duncan Reservoir (hillside on western rim of Black Canyon); Modoc Plateau, Washington Mt. 7 1/2 Quad., Black Canyon 1524 Comment
  POM203063  Antennaria geyeri J. T. Howell 1934-6-30 12255 Modoc Duncan Horse Camp. Comment
  CAS-BOT-BC15594  Antennaria luzuloides Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16424 Modoc Summit of Cedar Pass. 1920 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
  RSA0049629  Antennaria luzuloides subsp. aberrans Dean Wm. Taylor 2012-6-5 21218 Modoc Vicinity Crank Spring (11 air miles North of Lookout) 1365 Comment
  RSA26467  Antennaria luzuloides subsp. aberrans Alice Eastwood, J. T. Howell 1940-6-11 8010 Modoc 6 miles NE of Adin on road to Canby. Comment
  CAS-BOT-BC15556  Antennaria rosea subsp. rosea Clare Butterworth Hardham 1961-6-20 7883 A Modoc Road from Mt. Bidwell to Dismal Swamp. 2438 Comment
  CAS-BOT-BC15560  Antennaria rosea subsp. rosea John Thomas Howell 1934-6-11 11967 Modoc Parker Creek. 1584 Comment
  HSC4637  Antennaria rosea subsp. rosea M. T. Milligan 1965-6-27 363 Modoc E slope of eroded volcanic plateau. 1677 Comment
  RSA181182  Apera interrupta P. H. Raven, Otto T. Solbrig 1958-6-17 s.n. Modoc Along United States, Highway 299, 2.6 miles west of Alturas. Comment
  CHSC12925  Aphyllon purpureum L. Mayer 1974-6-1 Modoc Near Clear Lake Res. Comment
  JEPS49790  Apocynum androsaemifolium Frances D. Payne 1932-7-25 750 Modoc s. and e. Alturas (Parker Creek canyon); Warner Mts., Parker Creek canyon 1584 Comment
  RSA749198  Apocynum androsaemifolium K. M. Meyer, A. Townesmith 2007-9-16 216 Modoc Modoc National Forest, 19.2 miles W on Forest Service Rd. 31. 1693 Comment
  UC22911  Apocynum androsaemifolium Mrs. R. M. Austin Aug. 1894 Modoc Lassen Creek Comment
  UC416569  Apocynum androsaemifolium Franklin P. Nutting Modoc Forestdale Comment
  UC71831  Aquilegia formosa Mrs. M. H. Manning 231 Modoc near Fort Bidwell Comment
  CAS-BOT-BC218337  Aquilegia formosa var. formosa Roxana Stinchfield Ferris; R. Duthie 1919-6-14 21 Modoc Along Parker Creek, Modoc Nat. Forest Boundary. Comment
  HSC18043  Aquilegia formosa var. formosa M. T. Milligan 1965-6-26 331 Modoc N end Jess Valley. 1616 Comment
  RSA0126228  Arabis glabra Mrs. R. M. Austin 1895-04 414 Modoc Goose Lake. Comment
  NY114572  Arabis holboellii var. pendulocarpa R. C. Rollins 1981-6-1 81194 Modoc Warner Mtns., ca. 2 miles N of summit of road between Lake City and U.S. Hwy. 395 Comment
  HSC6568  Arabis holboellii var. retrofracta M. T. Milligan 1964-4-25 Modoc S of Lower Cummings Reservoir Comment
  NY112675  Arabis holboellii var. retrofracta R. C. Rollins 1981-6-1 81197 Modoc Warner Mtns., 4.5 miles E of U.S. Hwy. 395 on road to Lake City Comment
  JEPS53058  Arabis lyallii var. lyallii W. L. Jepson 1918-8-7 7893 Modoc n. slope Mt. Bidwell 2438 Comment
  NY114822  Arabis puberula R. C. Rollins 1981-6-1 81192 Modoc Warner Mtns., 3.3 miles W of Lake City Comment
  SEINET5340682  Arabis puberula R. C. Rollins, K. W. Rollins 1981-6-1 81192 Modoc Warner Mountains, 3.3 miles west of Lake City. Comment
  UC1504492  Arabis puberula Reed C. Rollins and Kathryn W. Rollins 1981-6-1 81192 Modoc 3.3 mi w Lake City; Warner Mountains Comment
  POM95905  Arabis sparsiflora var. arcuata C. C. Bruce 1898-06 2247 Modoc Hills near Goose Lake. Comment
  HSC6566  Arabis sparsiflora var. subvillosa M. T. Milligan 1966-5-14 621 Modoc Plateau W of Jess Valley 1829 Comment
  UC962135  Arabis suffrutescens Annie M. Alexander and Louise Kellogg 1946-7-23 5054 Modoc ne slope Emerson Peak; Warner Mountains Comment
  UC465861  Arceuthobium campylopodum Franklin P. Nutting Aug 1920 Modoc nera Forestdale Big Valley Mtns Comment
  CAS-BOT-BC95649  Arctostaphylos nevadensis Belknap C. Goldsmith 1911-6-14 31 Modoc N Fork Davis Creek. 1920 Comment
  RSA488026  Arctostaphylos patula Bruce Bartholomew, B. Anderson, Bartholomew 1988-5-12 4093 Modoc 4 km NW of White Horse. 1350 Comment
  JEPS51416  Arenaria aculeata L. S. Smith 1917-6-10 33 Modoc Warner Mts., Jess Valley 1524 Comment
  JEPS51492  Arenaria aculeata Frances D. Payne 1929-6-13 8 Modoc s and e of Alturas; Warner Mountains, Parker Creek 1584 Comment
  UC1368463  Arenaria congesta var. subcongesta R. K. Gierisch 1969-7-15 3544 Modoc Comment
  SEINET10512616  Aristida oligantha Louis C. Wheeler 1935-9-6 Wheeler 3959 Modoc Fletcher Creek at Pease Place, Devil's Garden. S32, T27N, R12E. Dry sunny rocky stream bed. Comment
  UC468971  Arnica chamissonis W. P. Taylor and H. C. Bryant 1910-7-13 Modoc North Fork Parker Creek (head) Warner Mountains, North Fork Parker Creek 2225 Comment
  UC748078  Arnica chamissonis Annie M. Alexander and Louise Kellogg 1946-7-7 4926 Modoc meadow near, (ne corner of county) Willows; Eight Mile Creek 1752 Comment
  CAS-BOT-BC15570  Arnica chamissonis subsp. foliosa Bruce Bartholomew; Barrett Anderson 1990-7-21 5581 Modoc Homestead Flat, ca. 2.5 km E of Patterson Ranger Station, E side of Warner Mts. 2160 Comment
  CAS-BOT-BC15571  Arnica chamissonis subsp. foliosa Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10570 Modoc East Creek ca. 1 mi. E of Patterson Ranger Station. Comment
  CAS-BOT-BC15417  Arnica cordifolia Mrs. H. C. Cantelow 1940-6-1 s.n. Modoc Cedar Pass, Warner Mtns. at the summit. E. of Alturas Comment
  HSC4687  Arnica cordifolia M. T. Milligan 1964-7-25 191 Modoc Pine Creek Basin, along trail. 2439 Comment
  UC71559  Arnica cordifolia Mrs. M. H. Manning 1904-7-1 250 Modoc Mt. Bidwell, (ne Modoc County) Mt. Bidwell Comment
  UC892069  Arnica cordifolia C. L. Hitchcock 1940-5-27 6702 Modoc 15 mi ne, on grassy hillside in canyon Alturas 1676 Comment
  UCSB19713  Arnica cordifolia Hardham, Clare 1961-6-18 Modoc Cedar Pass 1828 Comment
  CAS-BOT-BC15414  Arnica cordifolia Roxana Stinchfield Ferris; R. Duthie 1919-6-14 74 Modoc Warner Mts. Comment
  JEPS35918  Arnica cordifolia N. T. Mirov 1929-7-4 Modoc 1 mi s Oregon-California boundary; Warner Mountains, Lily Lake 2133 Comment
  UC29602  Arnica cordifolia Milo S. Baker 1893-6 Modoc Comment
  CAS-BOT-BC15422  Arnica discoidea Bruce Bartholomew; Barrett Anderson 1988-7-21 4415 Modoc Whitehorse Mts., 11 km N of Day on the road to Whitehorse Flat Reservoir. 1340 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
  UC726188  Arnica fulgens A. A. Heller 1941-6-26 16266 Modoc Adin Pass 1577 Comment
  HSC4703  Arnica longifolia M. T. Milligan 1966-8-8 639 Modoc West slope of Eagle Peak 2439 Comment
  SEINET6775095 Image available Arnica mollis L. Kellogg, A. M. Alexander 1946-7-23 5055 Modoc Emerson Peak, Warner Mountains Comment
  SEINET6775097 Image available Arnica mollis A. M. Alexander, L. Kellogg 1946-7-29 5080 Modoc Southern slope of Eagle Peak, Warner Mountains Comment
  CHSC115055  Arnica sororia Jessica O'Brien 2014-9-24 Modoc 1364 Comment
  SJSU9608  Arnica sororia W. Savage 1979-7-7 1468 Modoc Triangle, Devils Garden District, Modoc National Forest 1493 Comment
  CHSC67332  Artemisia arbuscula James D. Jokerst 1986-9-18 2769 Modoc Radar Site Survey S of Doublehead Mtn. Ca. 1.5 mi S of Doublehead Mtn. 1386 Comment
  SEINET229955  Artemisia arbuscula Leila M. Shultz, John S. Shultz 1985-6-23 8593 Modoc California, Modoc County. Modoc Plateau at the western extension of the Great Basin, between Beeler and Duncan reservoirs north of Canby, near highway 139. 1310 Comment
  CAS-BOT-BC15217  Artemisia arbuscula subsp. arbuscula John Thomas Howell 1934-6-13 12098 A Modoc Patterson Mill Road, Warner Mountains 1676 Comment
  JEPS118495  Artemisia cana Chris Boever 2010-8-11 CA 370 -115 Modoc North Cedarville, CA to Fort Bidwell, 13 miles up the Lake Annie road East side of road. Comment
  CAS-BOT-BC15254  Artemisia cana subsp. bolanderi John H. Hatton 1911-6-20 129 Modoc Modoc County. 1524 Comment
  JEPS108112  Artemisia ludoviciana subsp. candicans Anthony B. Walters 2005-9-28 Modoc Brokenera Ranch 1 mi S of New Pine Creek on E side of Hwy 395, near pond on W base of Warner Mountains. Comment
  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
  HSC81040  Artemisia ludoviciana subsp. incompta G. M. Riegel 1980-8-13 1060 Modoc South Warner Mountains 2100 Comment
  RSA504654  Artemisia ludoviciana subsp. incompta Bruce Bartholomew, B. Anderson 1988-7-23 4592 Modoc Pine Creek, 4 km E of U. S. Highway 395 on the road to Lily Lake, Warner Mountains. 1620 Comment
  SEINET7153178 Image available Artemisia ludoviciana subsp. incompta R. R. Halse 2006-8-4 6994 Modoc Patterson Station Campground, ca. 15 air miles east of Likely, south end of Warner Mountains. 2109 Comment
  CAS-BOT-BC15273  Artemisia ludoviciana subsp. ludoviciana Bruce Bartholomew; Barrett Anderson 1990-7-20 5456 Modoc Margin of Goose Lake at S end of the causeway to McGinty Point. 1440 Comment
  JEPS114661  Artemisia ludoviciana subsp. ludoviciana Lowell Ahart, John Dittes 2008-8-25 15278 Modoc On the west bank (flood plain) of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout 1273 Comment
  JEPS117359  Artemisia ludoviciana subsp. ludoviciana Lowell Ahart, John Dittes 2010-8-30 17051 Modoc About 10 yards west of the fence, south edge of the meadow, Ash Creek State Wildlife Area, 2,300 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley 1267 Comment
  RSA767674  Artemisia ludoviciana subsp. ludoviciana L. Ahart, John Dittes 2010-8-30 17051 Modoc North side of a small wash, about 10-15 yards west of the fence, south edge of the meadow, Ash Creek State Wildlife Area, 2300 feet north of Lassen County Line, about 3.6 air miles west of Adin, about 8 air miles northeast of Bieber, Big Valley. 1268 Comment
  UCR64882  Artemisia tridentata George K. Helmkamp 1990-9-23 H- 4 Modoc US Hwy 395, 13 mi north of Likely 1345 Comment
  CAS-BOT-BC15654  Asclepias cordifolia Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16441 Modoc 4 mi. E of Cedar Pass summit. Comment
  CAS-BOT-BC15662  Asclepias fascicularis Bruce Bartholomew 1989-8-10 5042 Modoc Little Hot Spring Valley, 3.9 km NW of Day. 1070 Comment
  HSC3280  Asclepias fascicularis M. T. Milligan 1964-7-24 164 Modoc Badger Wells Rd. at Boles Creek Crossing 1524 Comment
  CDA39827  Asclepias speciosa T. C. Fuller 1957-9-18 337 -57 Modoc Adin. 0 Comment
  RSA520444  Asclepias speciosa Bruce Bartholomew 1990-6-17 5285 Modoc Surprise Valley, SW side of Lower Alkali lake, 1.8 km N of Lassen County border. 1370 Comment
  CAS-BOT-BC54175  Asperugo procumbens J. C. Hays 1947-5-26 Modoc Near Fort Bidwell. Comment
  CDA7120  Asperugo procumbens T. Briles 1932-6-3 Modoc Alturas. 0 Comment
  POM312625  Asperugo procumbens H. L. Mason, Verne Grant 1947-7-12 13416 Modoc Near south end of west side road, Pit River Valley, south of Alturas. Comment
  CDA13470  Aster campestris G. F. Hrusa, T. D. Wilfred 1996-7-21 13317 Modoc Modoc Plateau; Along Pit River at Modoc Co. Rd. 90 bridge. E base of Splawn Mtn. N end of Big Valley. Comment
  RSA0028053  Astragalus John F. Emmel 1997-6-8 1495 Modoc 3 to 4 road miles east of Hwy. 395 on Hwy. 299 (Cedarville Road). 1524 Comment
  CDA26650  Astragalus curvicarpus T. C. Fuller 1965-6-3 13605 Modoc West side of Highway 395 to Alturas, 6.5 miles north of Likely. 0 Comment
  CAS-BOT-BC177859  Astragalus curvicarpus var. curvicarpus Alice Eastwood; John Thomas Howell 1940-6-11 8024 Modoc 8 miles from Canby on road to Alturas Comment
  CAS-BOT-BC218221  Astragalus curvicarpus var. curvicarpus Elmer Ivan Applegate 1897-5-31 880 Modoc E side of Tule Lake below Bloody Point. Comment
  CHSC85169  Astragalus curvicarpus var. curvicarpus John Dittes; Josephine Guardino 1991-7-21 390 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
  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
  SJSU9635  Astragalus curvicarpus var. curvicarpus W. Savage 1979-7-7 1456 Modoc Triangle, Fairchild Swamp Unit, Devils Garden District, Modoc National Forest 1508 Comment
  CAS-BOT-BC218213  Astragalus curvicarpus var. curvicarpus Leland S. Smith 1924-6-15 1402 Modoc Lava beds N of Egg Lake. Comment
  UC727152  Astragalus curvicarpus var. curvicarpus A. A. Heller 1938-6-24 15225 Modoc on banks along U.S. Highway #299 between Alturas and Canby; between Alturas and Canby 1341 Comment
  CAS-BOT-BC182064  Astragalus filipes Leland S. Smith 1919-6-8 1126 Modoc Deep Creek above station. 1676 Comment
  CHSC112510  Astragalus filipes L. P. Janeway; B. Castro 2014-6-2 11309 Modoc Great Basin. Along County Road 1, 1.0 km north of the road to the southeast corner of Cow Hed Lake (County Road 5), on the east side of Long Canyon, low in the canyon. 1566 Comment
  HSC25991  Astragalus filipes D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19507 Modoc Big Valley Summit, 6 mi. W of Adin on Hwy. 299 Comment
  JEPS114697  Astragalus filipes Lowell Ahart, John Dittes 2008-6-20 14977 Modoc upland on the NE side of Big Valley, about 5.3 mi (air NE of the Headquarters at Ash Creek State Wildlife area, about 8.3 mi (air) NE of Bieber 1287 Comment
  NY658482  Astragalus filipes B. M. Bartholomew 1989-6-2 4811 Modoc NE side of Upper Lake, 4 km. S of road to Fee Reservoir, NE end of Surprise Valley 1420 Comment
  NY658497  Astragalus filipes B. J. Ertter 1988-6-18 7619 Modoc Hwy. 139 ca. 50 airmiles SW of Klamath Falls, a few miles N of Agricultural Inspection Station, 1 mile S of S jct. to Lava Beds Nat'l Monument E of Tonesta 1310.6 Comment
  POM24441  Astragalus filipes R. M. Austin 1895-06 s.n. Modoc Goose Lake Valley. Comment
  RSA163781  Astragalus filipes Clare B. Hardham 1961-6-19 7838 Modoc Davis creek. 1677 Comment
  UC1539989  Astragalus filipes M. Mitchell 1936-5-21 50 Modoc 2 mi se Hospital Rock (Lava Beds National Monument); , se of Hospital Rock 1249 Comment
  HSC14515  Astragalus filipes M. T. Milligan 1964-6-20 58 Modoc 2 mi. N on Pencil Rd. from Hwy. 395 1372 Comment
  RSA0006759  Astragalus filipes H. D. Ripley, R. C. Barneby 1944-5-31 5993 Modoc Mesa NW of Alturas. 1372 Comment
  CAS-BOT-BC182058  Astragalus inversus Leo David Whitney 1934-5-24 1964 Modoc Near Hackamore. 1463 Comment
  CAS-BOT-BC182059  Astragalus inversus Leo David Whitney 1933-8-18 1936 Modoc Near Poison Lake. 1828 Comment
  NY675804  Astragalus lentiginosus var. lentiginosus R. M. Austin 07 1898 2210 Modoc Lake Shore Comment
  CAS-BOT-BC182046  Astragalus purshii Mrs. H. C. Cantelow 1940-6-2 Modoc 4 miles west of Alturas, Klamath Falls Hwy., on road to Bad Lands Comment
  CHSC67105  Astragalus purshii James D. Jokerst 1987-5-12 2850 Modoc Radar Survey Site S of Doublehead Mtn., N end of central sector, NE of road. Comment
  CAS-BOT-BC182023  Astragalus purshii Elmer Ivan Applegate 1936-7-4 10511 Modoc N slope of Caldwell Butte, Lava Beds National Monument. Comment
  SEINET3134681  Astragalus purshii var. lagopinus L. S. Rose 1940-6-14 40583 Modoc Mammoth Cave, 5 mi W of Perez 1280 Comment
  RSA60235  Astragalus purshii var. tinctus E. K. Balls 1950-5-13 14662 Modoc Goose Lake, east shore about Willow Ranch. Comment
  UC1037200  Astragalus purshii var. tinctus Leo Whitney 1934-5-13 1549 Modoc near Timbered Mountains (Devil's Garden, Alturas); Devil's Garden, near Timbered Mountain, Alturas 1524 Comment
  UC585210  Astragalus whitneyi var. confusus E. B. Babcock, G. L. Stebbins Jr. 1936-6-9 1800 Modoc dry, gravelly, east facing slope of hill above Lake City; above Lake City 1524 Comment
  CAS-BOT-BC181993  Astragalus whitneyi var. lenophyllus Bruce Bartholomew; Mona Bourell 1990-4-28 5202 Modoc 1.9 km SE of Rush Creek on road up Hunters Ridge. 1430 Comment
  CAS-BOT-BC182001  Astragalus whitneyi var. lenophyllus Elmer Ivan Applegate 1897-6-2 891 Modoc Pit River valley S of Alturas. Comment
  RSA0017009  Astragalus whitneyi var. siskiyouensis I. L. Wiggins, Dorothy B. Wiggins 1961-6-16 16525 Modoc 6.4 mi. W of Canby. Comment
  CAS-BOT-BC198675  Astragalus whitneyi var. whitneyi John Thomas Howell 1934-6-14 12142 Modoc Near Lost Lake, Warnter Mts. 2438 Comment
  CAS-BOT-BC30208  Athyrium alpestre var. americanum Annie Montague Alexander; L. Kellogg 1946-7-23 5056 Modoc Emerson Peak, Warner Mts. Comment
  CAS-BOT-BC95506  Atriplex confertifolia Bruce Bartholomew; Barrett Anderson 1989-4-29 4707 Modoc SW corner of Lower Lake, 1.8 km N of the Lassen County line, Surprise Valley. 1370 Comment
  CDA34190  Atriplex patula var. obtusa L. Ahart, J. Dittes 2010-8-31 17112 Modoc About 10 yards west of Elkins Lane, about 150 yards north of the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, and about 7.7 miles (air) northeast of Bieber, Big Valley. Comment
  CDA2937  Atriplex rosea T. C. Fuller 1962-8-29 9483 Modoc Between road and canal of the South Fork of the Pit River, Pit River Ranch, ca. 5 miles north of Likeley. 0 Comment
  JEPS90601  Atriplex truncata Dean Wm. Taylor and Glenn L. Clifton 1989-8-6 10496 Modoc Lower Lake Surprise Valley (w shore, marshes bordering outflow channels from small warm springs) 1363 Comment
  CAS-BOT-BC15187  Balsamorhiza hookeri var. lanata M. M. Hanna 1956-6-5 s.n. Modoc W side of Cedar Pass. Comment
  CAS-BOT-BC15195  Balsamorhiza sagittata Bruce Bartholomew; Barrett Anderson 1989-4-27 4638 Modoc Ryan Canyon, 6.0 km NW of Adin on road to Dutch Flat. 1370 Comment
  HSC81042  Balsamorhiza sagittata G. M. Riegel 1980-7-8 862 Modoc South Warner Mountains 1739 Comment
  POM35948  Balsamorhiza sagittata Mrs. R. M. Austin 1890-07 562 Modoc Goose Lake Valley Comment
  SEINET3141609  Balsamorhiza sagittata E. K. Balls 1950-5-10 15966 Modoc .5 mi. E past fork on Hwy. 395 & rd. rom Alturas 1585 Comment
  CAS-BOT-BC15140  Balsamorhiza serrata Edward Kent Balls 1950-5-13 14672 Modoc W side of Goose Lake, 0.2 mi S of Oregon-California State Line. 1463 Comment
  CAS-BOT-BC58630  Barbarea orthoceras Betty J. Hammerly 1941-6-20 32 Modoc Just beyond Clear Lake. 1767 Comment
  CAS-BOT-BC58631  Barbarea orthoceras Annie Montague Alexander; L. Kellogg 1946-7-17 5009 Modoc Benton Meadow, Warner Mts. 2072 Comment
  HSC6577  Barbarea orthoceras M. T. Milligan 1964-7-25 181 Modoc Pine Creek Basin, along trail. 2439 Comment
  UCD32724  Beckmannia syzigachne Beecher Crampton 1954-7-7 2162 Modoc Modoc County, 2.5 miles east of Alturas, near radio station KCNO. Comment
  UCD56808  Beckmannia syzigachne August L. Hormay 1932-7-15 s.n. Modoc Modoc National Forest, Crowder Ranger Station. Comment
  CAS-BOT-BC54180  Berberis aquifolium var. repens Bruce Bartholomew 1995-6-2 6943 Modoc Lake City Canyon on road between Lake City and Benton Meadow, E side of the Warner Mountains. 1690 Comment
  HSC65327  Berberis aquifolium var. repens J. P. Smith, J. O. Sawyer 1973-8-9 7264 Modoc Blue Lake, Modoc National Forest. 1829 Comment
  UCR142894  Bergia texana L. C. Wheeler 1935-8-22 3910 Modoc Devil's Garden: South Mt. Reservoir 1524 Comment
  RSA611424  Betula nana L. C. Wheeler 1935-8-15 3858 Modoc Dismal Swamp, Twenty Mile Creek, Warner Mts. 2226 Comment
  NY526328  Betula occidentalis J. T. Howell 1934-6-13 12095 Modoc Patterson Mill Road, Warner Mountains 1676.4 Comment
  CAS-BOT-BC498654  Betula pumila L. S. Smith 1917-7-29 127 Modoc Modoc Forest: Bald Mt. 2346 Comment
  CAS-BOT-BC218116  Bistorta bistortoides Bruce Bartholomew; Barrett Anderson 1988-7-22 4545 Modoc Benton Meadow, Warner Mts.. 2180 Comment
  CAS-BOT-BC15092  Blepharipappus scaber Lillian S. Mott 1976-5-29 5 LM76 Modoc Devil's Garden, N of Alturas. 1402 Comment
  CAS-BOT-BC15107  Blepharipappus scaber Bruce Bartholomew; Barrett Anderson 1988-6-23 4222 Modoc 2.1 km SSE of Day on the road to State Highway 299. 1020 Comment
  HSC5821  Blepharipappus scaber M. T. Milligan 1964-6-6 3 Modoc N side of Dorris Reservoir along shore 1372 Comment
  CAS-BOT-BC15076  Blepharipappus scaber Milo Samuel Baker 1936-6-16 8353 Modoc Hwy 395 between Alturas and Likely. Comment
  HSC5985  Blepharipappus scaber R. C. Wunner 1965-7-1 321 Modoc California Lava Beds National Monument; top of Gillems Bluff near NW Ranger Station 1372 Comment
  OBI77379  Blepharipappus scaber Lewis S. Rose 1940-6-14 40566 Modoc Kelly Hot Springs 1341 Comment
  RSA185384  Blepharipappus scaber Clare B. Hardham 1961-6-18 6546 Modoc 3 miles SE of Cedar Pass. 1829 Comment
  JEPS53066  Boechera L. S. Smith 1918-6-23 961 Modoc High Grade District Warner Mts. 2286 Comment
  SJSU9626  Boechera californica W. Savage 1979-7-7 1440 Modoc Triangle, Fairchild Swamp Unit, Devils Garden District, Modoc National Forest 1499 Comment
  CAS-BOT-BC58659  Boechera lyallii Leland S. Smith 1917-7-2 68 Modoc Warren Mt. 2590 Comment
  CAS-BOT-BC95728  Boechera pauciflora Margaret M. Hanna 1956-6-5 s.n. Modoc Cedar Pass Campground Comment
  CAS-BOT-BC100297  Boechera puberula John Thomas Howell 1934-6-11 11935 Modoc Parker Creek, Warner Mts. 1584 Comment
  CAS-BOT-BC14526  Boechera puberula John Thomas Howell 1934-6-30 12267 A Modoc Duncan Horse Camp. Comment
  CAS-BOT-BC58567  Boechera puberula Bruce Bartholomew; Barrett Anderson 1988-5-13 4177 Modoc Juniper Flats, 10 km E of Likely on road to Jess Valley, W side of the Warner Mts.. 1450 Comment
  UCD150423  Boechera puberula Harry A. George 1967-6-15 s.n. Modoc S. of Adin. Comment
  CAS-BOT-BC58293  Boechera retrofracta R. M. Austin 1885-1-1 Modoc Modoc County. Comment
  CAS-BOT-BC410944  Boechera sparsiflora Bruce Bartholomew; Mona Bourell 1990-4-27 5186 Modoc 10.3 km NW of Hwy 299 on Crowder Flat Rd. 1540 Comment
  CAS-BOT-BC95742  Boechera sparsiflora Annie Montague Alexander; L. Kellogg 1946-6-5 4670 Modoc Emerson Creek, S of Eagleville, Warner Mts. 1889 Comment
  CHSC67093  Boechera sparsiflora James D. Jokerst 1987-5-11 2820 Modoc Radar Survey Site S of Doublehead Mtn., S of Clear Lake Reservoir. 1363 Comment
  CAS-BOT-BC25893  Boechera subpinnatifida Ethel S. Willits 1940-4-27 196 Modoc Near quarantine station, Alturas. 1371 Comment
  POM254492  Boisduvalia macrantha Alice Eastwood, John Thomas Howell 1940-6-13 8126 Modoc Near Davis Creek. Comment
  RSA152613  Briza maxima I. L. Wiggins, Dorothy Wiggins 1961-6-12 16374 Modoc California Highway 299, 5.5 mi. N of Alturas at junction of Cedar Pass road. Comment
  CAS-BOT-BC244942  Brodiaea coronaria subsp. coronaria Alice Eastwood; John Thomas Howell 1940-6-14 8232 Modoc 8 mi. NW of Canby. Comment
  UC1094382  Brodiaea coronaria subsp. coronaria R. C. Bacigalupi with S. Galen Smith 1957-6-27 5980 Modoc ca 9 mi nw Canby (along State Hwy 139) Comment
  UC1442911  Brodiaea coronaria subsp. coronaria Glenn Keator Jun 1967 MD- 9 Modoc N of Canby Comment
  CAS-BOT-BC242404  Bromus briziformis Margaret J. Williams 1969-1-1 s.n. Modoc Jess Valley. Comment
  SEINET3921589  Bromus briziformis Margaret J. Williams, Arnold Tiehm; Jan Nachlinger 1988-6-2 88- 28 -1 Modoc Jess Valley, E of Likely, S of roadside rest.; 0 Comment
  UCD32701  Bromus briziformis Beecher Crampton 1954-7-6 2119 Modoc Modoc County, Road 56, following Shields Creek into Warner Mountains, 22 miles east of Alturas. Comment
  UCD57492  Bromus briziformis E. Wilson 1934-5-14 s.n. Modoc East of Alturas. Comment
  SEINET4344988  Bromus briziformis M. J. Williams, A. Tiehm, J. Nachlinger 1988-6-2 88- 28 -1 Modoc Jess Valley, E of Likely, S of roadside rest. Comment
  SEINET4344995  Bromus briziformis M. J. Williams, J. Nachlinger 1988-6-2 88- 28 -1 Modoc Jess Valley, E of Likely, S of roadside rest. Comment
  SEINET4345020  Bromus briziformis M. J. Williams 1969-6-14 s.n. Modoc Jess Valley. 1524 Comment
  CAS-BOT-BC242436  Bromus carinatus var. carinatus Bruce Bartholomew 1989-7-15 4994 Modoc Sweagert Flat. 1860 Comment
  JEPS69153  Bromus carinatus var. carinatus Leland S. Smith 1918-6-16 933 Modoc Modoc National Forest, Buck Creek Ranger Station Buck Creek Ranger Station; Modoc National Forest, Buck Creek Ranger Station 1584 Comment
  UC1024876  Bromus carinatus var. carinatus Leo Whitney 1935-5-26 3148 a Modoc 18 mi wnw of Canby (Hole-in-the-rock, U.S.B.E Plot); Hole-in-the-rock Comment
  UC1137119  Bromus carinatus var. carinatus August L. Hormay 1936-7-14 Modoc Modoc National Forest, D D plot site Modoc National Forest; , D D plot site Comment
  SEINET201658 Image available Bromus carinatus var. marginatus Arthur Cronquist, Arthur H. Holmgren 1959-6-19 8494 Modoc Along Clear Lake; Warner Mts. 15 mi. E of Likely. 1829 Comment
  UCD59152  Bromus carinatus var. marginatus A. A. Beetle 1944-8-15 3032 Modoc N of Lookout Meadow near Happy Camp Ranger Station. Comment
  UC70668  Bromus commutatus Mrs. M. H. Manning June 1903 417 Modoc in north-eastern Modoc County Modoc County; north-eastern Modoc County Comment
  UCD58469  Bromus commutatus Beecher Crampton 1954-7-6 2088 Modoc Along U. S. Hwy. 395. 4 miles north of Likely. Comment
  UC1024866  Bromus diandrus Leo Whitney 1935-5-30 3160 Modoc White Horse 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
  CHSC85100  Bromus hordeaceus John Dittes; Josephine Guardino 1991-7-21 432 Modoc Modoc Plateau; Big Valley; Ash Creek Wildlife Area; ca. 5.7 air-miles northeast of Bieber, ca. 7.6 air-miles west of Adin, ca. 1.5 air-mile southeast of Pilot Butte summit; meadow at northern edge of Ash Creek Floodplain (Big Swamp) at southeast base of Pilot Butte. 1258 Comment
  CHSC100012  Bromus inermis subsp. inermis Lowell Ahart; John Dittes 2008-8-25 15281 Modoc On the west bank of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout. 1273 Comment
  CAS-BOT-BC242461  Bromus japonicus Bruce Bartholomew 1989-7-14 4922 Modoc Along Rush Creek between Lower and Upper Rush Creek Campgrounds. 1580 Comment
  CHSC117493  Bromus japonicus Lowell Ahart; John Dittes 2016-7-16 21247 Modoc Between the first pond and the second going west, south of Ash Creek Canal (now filled in), south of Ash Creek, Ash Creeek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.75 miles (air) west of Adin, Big Valley. 1273 Comment
  CHSC99779  Bromus japonicus Lowell Ahart; John Dittes 2008-6-21 14987 Modoc On dry soil, about 10 yards north of a large culvert, on the 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
  UC1037141  Bromus orcuttianus Leo Whitney 1935-7-1 3340 Modoc 15 mi nw of Canby (near Hackamore, Modoc National Forest, Spaulding's Butte); Modoc National Forest, Spaulding's Butte 1463 Comment
  HSC9343  Bromus suksdorfii M. T. Milligan 1964-7-1 127 Modoc 6 mi. N of Hwy. 139 on USFS Rd. 44N15 1524 Comment
  CAS-BOT-BC242455  Bromus tectorum Bruce Bartholomew; Barrett Anderson 1989-6-2 4775 Modoc Buck Creek, 1 cm NE of Fandango Pass Road, W side of the Warner Mountains. 1660 Comment
  CAS-BOT-BC242497  Bromus tectorum Leland S. Smith 1923-5-15 1501 Modoc Adin. Comment
  RSA180227  Bromus tectorum Clare B. Hardham 1961-6-17 7524 Modoc Cedar Pass Camp Ground. Comment
  UCD60046  Bromus tectorum A. A. Beetle 1941-6-29 2823 Modoc 15 miles E of Alturas, road to Cedarville Pass. 1371 Comment
  UCD60047  Bromus tectorum Beecher Crampton; Carl Rimbey 1954-7-6 2111 Modoc 20 miles E of Alturas. Warner Mountains. Above Shields Creek. Comment
  HSC9401  Calamagrostis canadensis var. langsdorffii M. T. Milligan 1966-7-5 559 Modoc Slopes and ridges E of Jess Valley 1768 Comment
  CAS-BOT-BC197587  Calandrinia ciliata Bruce Bartholomew 1995-8-1 7146 Modoc 12 Mile Creek, E side of the Warner Mountains. 2110 Comment
  CAS-BOT-BC95089  Callitriche fassettii Louis Cutter Wheeler 1935-8-22 3904 Modoc South Mt. Reservoir, Devil's Garden. 1524 Comment
  UCR207996  Callitriche hermaphroditica L. C. Wheeler 1935-8-22 3904 Modoc Devil's Garden: South Mt. Reservoir 1524 Comment
  NY465090  Callitriche palustris G. Schoolcraft 1990-7-11 2106 Modoc About 2 miles west of West Valley Reservoir 1493.5 Comment
  UC1101518  Callitriche verna Herbert L. Mason and Verne Grant 1947-7-11 13366 Modoc s of Alturas (by Jones' Lane, off Highway 395) Comment
  CAS-BOT-BC85786  Calocedrus decurrens Frances D. Payne 1932-7-1 651 Modoc Fitzhugh Sprinrings, Warner Mts. 1828 Comment
  RSA722580  Calocedrus decurrens R. R. Halse 2006-8-4 6999 Modoc Along Highgrade Road ca. 4.4 miles north of Fort Bidwell, north end of the Warner Mountains, east slope 1765 Comment
  RSA520456  Calochortus leichtlinii K. Paulson, R. Paulson 1989-7-12 177 Modoc Ca. 2 miles north of Mill Creek Falls, west side of Warner Mountains 1921 Comment
  CHSC67723  Calochortus longebarbatus J. D. Jokerst 1983-7-20 1862 Modoc NW of town of Lookout, W of country rd. 93, 0.2 miles S of the road fork to either Whitehorse Flat or Lookout Junction. Comment
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Aug 4 2018
  UC1748346  Calochortus longebarbatus var. longebarbatus J. D. Jokerst 1983-7-20 1862 Modoc NW of Lookout (town) (W of county rd. 93 at a point 0.2 mi S of the fork to either Whitehorse Flat or Lookout Jct.) Comment
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Aug 4 2018
  CAS-BOT-BC242148  Calochortus macrocarpus C. C. (Mrs.) Bruce 1898-8-1 s.n. Modoc Goose Lake valley. Comment
  CAS-BOT-BC242149  Calochortus macrocarpus Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10517 Modoc Patterson Ranger Stateon (East Creek drainage). 2164 Comment
  JEPS126501  Calochortus macrocarpus Jennifer Mueller 2016-8-15 CA 370 -245 Modoc From Fort Bidwell take the Cowhead Lake Road (County Road 1). Continue on this road until it becomes grave. Before the road enters Long Canyon. Comment
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Aug 3 2018
  UC711808  Calochortus macrocarpus Roxana S. Ferris and Laura Lorraine 1941-8-14 10609 Modoc on road between Fort Bidwell and Pine Creek; Warner Mountains, Modoc National Forest, Summit of Fandango 1889 Comment
  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
  UC465570  Caltha leptosepala Mrs. R. M. Austin July 1894 Modoc Lassen Creek Comment
  RSA0120955  Caltha leptosepala I. L. Wiggins, Dorothy B. Wiggins 1961-6-14 16485 Modoc 6.4 mi. S of Lassen Creek Campground along road to Buck Mtn, Warner Mtns. Comment
  NY485969  Caltha leptosepala subsp. howellii B. M. Bartholomew 1988-6-24 4327 Modoc Lily Lake, west side of the Warner Mountains. Fort Bidwell 15' Quad. 2130 Comment
  CAS-BOT-BC95586  Calystegia occidentalis subsp. occidentalis Bruce Bartholomew 1991-6-22 5866 Modoc E side of the Pit River, ca. 2 km S of Joseph Creek. 1410 Comment
  UC1004347  Camassia quamash subsp. breviflora Leo Whitney 1934-5-13 Modoc Weed Valley, northern Modoc County Weed Valley 1524 Comment
  CAS-BOT-BC242125  Camassia quamash subsp. breviflora Mrs. H. C. Cantelow 1941-5-16 s.n. Modoc SE end of Boca Dam. Comment
  CHSC107345  Camelina microcarpa Lowell Ahart; John Dittes 2011-6-22 17547 Modoc On the east side of the road, about 150 yards north of the Pilot Butte Parking Lot, north edge of Ash Creek Floodplain, 1.1 miles (air) south of County road 87, 7.7 miles (air) west of Adin, 10 miles (air) east of Lookout, Big Valley. 1264 Comment
  JEPS120866  Camelina microcarpa Lowell Ahart, John Dittes, Todd Sloat 2013-6-8 18757 Modoc On the north side of levee, about 100 yards N of the parking area, NW of the old barn, Ash Creek State Wildlife Area, about 3.9 air miles W of Adin, about 7.7 air miles NE of Bieber, Big Valley. Comment
  CAS-BOT-BC191124  Camissonia andina R. K. Gierisch; D. H. Esplin 1969-7-15 3543 Modoc Modoc County 1524 Comment
  CAS-BOT-BC191137  Camissonia andina Bruce Bartholomew 1990-6-18 5386 Modoc Turner Creek at County Rd 90, N end of Big Valley, 6.4 km N of Lassen County border. 1230 Comment
  RSA75376  Camissonia andina F. W. Peirson 1926-6-25 6869 Modoc Cedarville Pass, Warner Mountains. Comment
  CAS-BOT-BC191116  Camissonia claviformis subsp. cruciformis Bruce Bartholomew; Barrett Anderson 1989-6-2 4838 Modoc 6.4 km E of Eagleville on the road to the California state border, E side of Surprise Valley. 1550 Comment
  NY851345  Camissonia contorta B. M. Bartholomew 1995-5-13 6912 Modoc 2.7 km northeast of County Road 38 on County Road 37, east side of the south end of Surprize Valley 1410 Comment
  CAS-BOT-BC191106  Camissonia pubens Leland S. Smith 1920-7-13 1197 Modoc Round Valley. 1402 Comment
  CAS-BOT-BC191086  Camissonia tanacetifolia subsp. tanacetifolia Barrett Anderson 1986-7-10 3207 Modoc West Warner Rd along Bear Flat. 1845 Comment
  POM312605  Camissonia tanacetifolia subsp. tanacetifolia H. L. Mason, Verne Grant 1947-7-10 13327 Modoc Dorris Reservoir, 2 miles east of Alturas. Comment
  RSA181791  Camissonia tanacetifolia subsp. tanacetifolia H. N. Metcalf, Jack C. Wilson 1965-7-1 65 -20 Modoc Davis Creek. Comment
  CAS-BOT-BC58466  Capsella bursa-pastoris Bruce Bartholomew; Barrett Anderson 1989-6-1 4750 Modoc ca. 0.5 km W of Davis Creek on road to S end of Goose Lake. 1460 Comment
  NY119872  Cardamine breweri L. C. Wheeler 1935-8-15 3864 Modoc Dismal Swamp, Twenty Mile Creek 2225.0 Comment
  NY119873  Cardamine breweri A. J. Cronquist 1959-6-19 8500 Modoc Along Mill Creek, just above Clear Lake; Warner Mtns., 15 miles E of Likely 1828.8 Comment
  RSA592545  Cardamine breweri S. O. Mattoon 1978-7-9 21 Modoc Patterson Meadows Guard Station; southern Warner Mountains; Modoc North Fork. 2195 Comment
  CAS-BOT-BC58426  Cardamine breweri var. breweri Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10527 Modoc Patterson Ranger Station (East Creek drainage), Warner Mts. 2164 Comment
  CAS-BOT-BC58431  Cardamine breweri var. breweri Louis Cutter Wheeler 1935-8-16 3864 Modoc Dismal Swamp, Warner Mts. 2225 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
  UCR34820  Carex J. A. Harpel 1981-8-6 V 3 Modoc Warner Mtns, South Warner Wilderness Area: E end of Patterson Lake, 7 mi NW of Eagleville 2744 Comment
  SEINET4290092 Image available Carex abrupta L. Janeway, Castro, B 2008-1 9573 Modoc Warner Mountains. North slope of Bald Mountain; just below the cliffs at the top of the peak. Payne Peak 7.5' quad. Comment
  HSC48335  Carex aquatilis D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-22 19334 Modoc Soup Springs Campground Comment
  RSA577440  Carex athrostachya L. C. Wheeler 1935-8-16 3878 Modoc Dismal Swamp, Twenty Mile Creek. Warner Mountains. Mt. Diablo Mer 2226 Comment
  UC1537644  Carex athrostachya Gordon H. True Jr. 1939-6-13 997 Modoc near Likely; Pit River Comment
  CHSC67135  Carex douglasii James D. Jokerst 1987-5-13 2869 Modoc Radar Survey Site S of Doublehead Mtn., S of Clear Lake Reservoir, S end of northern sector. 1359 Comment
  CHSC77243  Carex feta G. Schoolcraft 1996-7-23 2544 Modoc E. of Yankee Jim Ranch about 12 miles se of Alturas. 1645 Comment
  POM81337  Carex hassei Mrs. R. M. Austin 1895-07 491 Modoc Goose Lake Valley. Comment
  CAS-BOT-BC242362  Carex integra Annie Montague Alexander; L. Kellogg 1946-6-15 4776 Modoc Head Deep Creek. 2133 Comment
  RSA577788  Carex jonesii L. C. Wheeler 1935-8-16 3877 Modoc Dismal Swamp, Twenty Mile Creek. Warner Mountains. Mt. Diablo Mer 2226 Comment
  CAS-BOT-BC497335  Carex lasiocarpa G. Schoolcraft 1996-7-23 2545 Modoc E. of Yankee Jim Ranch, SE of Alturas 1645 Comment
  JEPS86370  Carex microptera Jack and Betty Guggolz 1988-6-28 960 Modoc w Jenkins Spring Comment
  CAS-BOT-BC245181  Carex multicaulis John H. Hatton 1911-6-15 116 Modoc Near Huffman's ranch. 1493 Comment
  CAS-BOT-BC245172  Carex nebrascensis John Thomas Howell 1934-6-15 12190 Modoc Alturas. Comment
  UC1537622  Carex nebrascensis Gordon H. True Jr. 1939-6-13 997 Modoc near Likely; Pit River Comment
  JEPS63608  Carex pachystachya Frances D. Payne 1932-7-21 725 Modoc Patterson Lake Warner Mountains, Mt. Warren, Patterson Lake Comment
  CAS-BOT-BC242356  Carex pellita Peter Hamilton Raven; Otto Thomas Solbrig 1958-6-17 13306 Modoc Along Hwy 299, 2.6 mi. W of Alturas. Comment
  CAS-BOT-BC245157  Carex praegracilis Annie Montague Alexander; L. Kellogg 1946-6-14 4761 Modoc Patterson Mill Road. 1828 Comment
  CHSC109464  Carex rossii L. P. Janeway; B. Castro 2012-7-26 11015 Modoc Warner Mountains. Top of Yellow Mountain; topmost part and western edge (at the edge of a steep dropoff to the northwest). 2463 Comment
  SEINET7577137 Image available Carex subfusca John Thomas Howell 1934-6-16 12208 Modoc Parker Creek, Warner Mts. 1585 Comment
  SEINET13722822  Carex subnigricans N. Otting, D. Lytjen 2004-9-1 959 Modoc South Warner Mountains, slopes east of Patterson Lake, 18 air miles southeast of Alturas. 2751 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-BC180129  Castanopsis sempervirens K. Paulson; Robert Paulson 1989-7-2 165 Modoc Happy Camp Lookout. 1850 Comment
  SFV3327  Castilleja angustifolia I. L. Wiggins, D. B. Wiggins 1961-6-12 16421 Modoc Warner Mountains Rocky slope near summit of Cedar Pass, between Alturas and Cedarville. 1951 Comment
  CAS-BOT-BC225977  Castilleja applegatei subsp. pinetorum Clare Butterworth Hardham 1961-6-18 7595 Modoc Davis Creek. 2133 Comment
  CAS-BOT-BC225993  Castilleja applegatei subsp. pinetorum Alice Eastwood; John Thomas Howell 1940-6-13 8144 Modoc Fandango Pass. Comment
  CAS-BOT-BC226000  Castilleja applegatei subsp. pinetorum Margaret J. Williams 1984-6-28 84- 69 -2 Modoc Warner Mountains, N of Cedar Pass, end of Soldier Creek road. 2072 Comment
  CHSC109456  Castilleja applegatei subsp. pinetorum B. Castro; L. P. Janeway 2012-7-24 1952 Modoc Warner Mountains. Northwestern flank of Mount Bidwell; ca 0.6 air mi S of Dismal Swamp, off upper edge of open lodgepole pine forest. 2359 Comment
  HSC30195  Castilleja applegatei subsp. pinetorum D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19470 Modoc Upper Rush Creek Campground, about 8 mi. N of Adin on Hwy. 299 Comment
  POM44376  Castilleja applegatei subsp. pinetorum R. M. Austin 1895-07 530 Modoc Goose Lake Valley. Comment
  RSA60360  Castilleja applegatei subsp. pinetorum E. K. Balls 1950-5-10 15967 Modoc 0.5 mi. east of fork of Hwy 395 and Alturas Road. 1585 Comment
  UC1094745  Castilleja applegatei subsp. pinetorum Francia Chisaki 1956-5-29 862 Modoc 5.2 mi e road to Cedarville junction with Highway 395 (on road to Cedarville) Comment
  UC885467  Castilleja applegatei subsp. pinetorum C. L. Hitchcock 1940-5-27 6677 Modoc 15 mi ne Alturas 1615 Comment
  CAS-BOT-BC226010  Castilleja arachnoidea Robert Patterson; Mona Bourell 1993-8-14 5220 Modoc Patterson Lake. South Warner Wilderness Area. Warner Mountains. 2743 Comment
  CAS-BOT-BC226025  Castilleja lacera K. Paulson; Robert Paulson 1989-7-18 200 Modoc Ca. 3.5 mi NE of Cedar Pass, E side of Warner Mts. 1673 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
  JEPS29100  Castilleja lacera Lauramay T. Dempster 1961-6-18 1699 Modoc 3.2 mi e Cedar Pass (near head of canyon s of highway) 1752 Comment
  JEPS17621  Castilleja lacera Rimo Bacigalupi with G. Thomas Robbins 1955-7-19 5382 Modoc edges of Soup Spring Meadow, s Warner Mountains Warner Mountains, Modoc National Forest, Soup Spring Meadow 2072 Comment
  JEPS79130  Castilleja lacera L. R. Heckard with R. Bacigalupi 1980-6-10 5233 Modoc about 10 mi nw Lookout (along Great Northern Railroad grade) Comment
  JEPS86678  Castilleja lacera L. R. Heckard with T. I. Chuang 1990-7-14 6759 Modoc ca 2 mi n Cedar Pass (along Old Common Mill Rd, ca 2 mi n of Cedar Pass) 2075 Comment
  CAS-BOT-BC226048  Castilleja miniata Elmer Ivan Applegate 1932-7-31 7977 Modoc Mill Creek Meadow, western slope of Warner Mts. Comment
  CAS-BOT-BC226049  Castilleja miniata Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10523 Modoc Patterson Ranger Station (East Creek drainage), Modoc National Forest, Warner Mountains 2164 Comment
  CAS-BOT-BC226056  Castilleja pilosa Elmer Ivan Applegate 1932-8-1 8031 Modoc High summit of Warner Mountains S of Warren Peak. Comment
  CAS-BOT-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
  CHSC117770  Castilleja pilosa L. P. Janeway 2016-5-18 12056 Modoc Modoc Plateau. Between Goose Lake and the Devils Garden area; along southwest side of Goose Lake about 1.0 air--km southwest of north end of Road 48 causeway across the lake. 1434 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
  JEPS79123  Castilleja pilosa L. R. Heckard with R. Bacigalupi 1980-6-10 5226 Modoc sw margin Egg Lake (now dry); Egg Lake Comment
  SJSU11483  Castilleja pilosa R. L. Fisher 1958-6-15 Modoc 15 mi E of Alturas 1676 Comment
  UC727017  Castilleja pilosa A. A. Heller 1941-6-25 16199 Modoc w of ascent to Cedar Pass (on the Cedarville road) Comment
  CAS-BOT-BC226083  Castilleja tenuis Bruce Bartholomew; Barrett Anderson 1989-6-1 4762 Modoc S end of Goose Lake. 1460 Comment
  CHSC85130  Castilleja tenuis John Dittes; Josephine Guardino 1991-7-21 421 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
  JEPS120511  Castilleja tenuis L. P. Janeway, B. Castro 2012-7-25 10984 Modoc Warner Mountains. Comment
  UC1520658  Castilleja tenuis Noel H. Holmgren and Patricia K. Holmgren 1980-7-1 9454 Modoc 13 air mi wnw Canby (Calif Hwy 139, 14.2 mi wnw Calif Hwy 139 junction with U.S. Hwy 299) 1463 Comment
  UC748137  Castilleja tenuis Annie M. Alexander and Louise Kellogg 1946-6-14 4769 Modoc Silver Creek branch of Patterson Mill road 1828 Comment
  JEPS77516  Castilleja tenuis L. R. Heckard with T. I. Chuang and R. C. Bacigalupi 1978-7-19 4883 Modoc Cedar Pass; n side of road 1920 Comment
  RSA520505  Ceanothus cuneatus Bruce Bartholomew 1990-4-26 5156 Modoc 0.5km S of Day. 1100 Comment
  CAS-BOT-BC217101  Ceanothus prostratus Alice Eastwood; John Thomas Howell 1940-6-13 8143 Modoc Fandango Pass. Comment
  CAS-BOT-BC217146  Ceanothus prostratus A. D. Borden 1911-8-9 s.n. Modoc Along S. slope of Shields Creek Comment
  UCR87510  Ceanothus prostratus George K. Helmkamp, E. A. Helmkamp 1993-5-4 s.n. Modoc 16.1 miles NW of Canby along Calif. Hwy 139 1280 Comment
  UC18392  Ceanothus prostratus Milo S. Baker 1893-6 Modoc Red Soil 1524 Comment
  CAS-BOT-BC217123  Ceanothus velutinus Elmer Ivan Applegate 1932-7-31 7982 Modoc Mill Creek Meadows. Comment
  UC18457  Ceanothus velutinus Milo S. Baker 1893-7-10 Modoc 1219 Comment
  UC526159  Ceanothus velutinus var. velutinus John Thomas Howell 1934-6-12 12059 Modoc Warner Mountains 1828 Comment
  CHSC100382  Centaurea squarrosa Lowell Ahart; John Dittes 2008-8-25 15300 Modoc In the middle of a poor dirt road, on the west side of the Pit River, about 1/8 mile east of County Road 91,about 3.8 miles (air) north-northeast of Lookout. 1273 Comment
  CAS-BOT-BC95204  Cerastium fontanum Bruce Bartholomew 1994-5-27 6704 Modoc Bowman Spring W side of the Whitehorse Mountains near the Siskyou County line. 1400 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
  RSA503050  Cercis occidentalis Bruce Bartholomew, B. Anderson 1988-6-23 4228 Modoc 2.1 km SSE of Day on the road to State Highway 299. 1020 Comment
  CAS-BOT-BC197532  Cercocarpus betuloides var. betuloides Leland S. Smith 1922-8-28 1336 Modoc Canyon E of Andrews Ranch 1524 Comment
  UCD22471  Cercocarpus betuloides var. macrourus Brian Vanden Heuvel 2003-4-11 200 Modoc Rush Creek Campground in Modoc National Forest, about 10 miles north of Adin and 6 miles south of Adin Pass. Comment
  RSA101382  Cercocarpus ledifolius R. Weatherby 1955-7-8 1632 Modoc 5 miles N of Ft. Bidwell, Northern Warner Mts. 1646 Comment
  CAS-BOT-BC197540  Cercocarpus ledifolius var. ledifolius F. Angwin 1946-4-21 s.n. Modoc Stone Coal Canyon, 12 mi. NE of Adin. 1280 Comment
  CAS-BOT-BC214641  Cercocarpus ledifolius var. ledifolius C. L. Hitchcock 1940-5-27 6689 Modoc 15 mi. NE of Alturas. 1615 Comment
  UC585213  Cercocarpus ledifolius var. ledifolius E. B. Babcock, G. L. Stebbins Jr. 1936-6-9 1821 Modoc about 3 mi w of Cedarville (in the Warner Mountains, Cedar Creek Canyon); Warner Mountains, Cedar Creek Canyon 152 Comment
  UC30989  Chaenactis douglasii var. douglasii Mrs. R. M. Austin 1894-8-1 Modoc Goose Lake Valley 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-BC141743  Chamaebatiaria millefolium L. S. Smith 1918-8-7 1012 Modoc Black Knob, Camp One T38-16 2438 Comment
  CAS-BOT-BC245416  Chamaesaracha nana M. M. Hanna 1956-6-7 1010 Modoc Hwy 139 between Canby and Tienesta. Comment
  CAS-BOT-BC245424  Chamaesaracha nana C. L. Hitchcock 1940-5-27 6700 Modoc 15 mi. NE of Alturas. 1615 Comment
  UCSB6934  Chamaesaracha nana Sharsmith, Helen 1955-6-26 Modoc adjacent to Highway 39 ca. 20 miles north of Canby, Modoc National Forest. 1524 Comment
  UCD77523  Chamaesyce glyptosperma Robert E. Preston 2000-7-17 1389 Modoc Ca. 11 mi nw of Canby, on n side of Hwy 139, 2.5 mi e of Forest Service Rd 44N11, T42N R8E ne 1/4 Section 3 1490 Comment
  CHSC106186  Chamaesyce serpillifolia subsp. serpillifolia Lowell Ahart; John Dittes 2010-8-31 17116 Modoc In the parking area on the east side of Elkins Lane, northeast of the homestead, about 300 yards north of the bridge across Ash Creek, Ash Creek State Wildlife Area, 4215 feet north of Lassen County Line, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1295 Comment
  NY1001694  Chamaesyce serpyllifolia M. J. Williams 1985-8-13 85- 66 --2 Modoc Big Sage Reservoir. Northwest of Alturas 1524 Comment
  NY1001697  Chamaesyce serpyllifolia M. S. Baker 1893-7-25 s.n. Modoc On island in Egg Lake Comment
  SEINET9443176  Chamaesyce serpyllifolia M. J. Williams 1985-1 85- 66 -2 Modoc Big Sage Reservoir NW of Alturas. 1524 Comment
  UC748246  Chamaesyce serpyllifolia Annie M. Alexander and Louise Kellogg 1946-6-20 4808 Modoc field below town Eagleville 1440 Comment
  HSC8011  Chamaesyce serpyllifolia M. T. Milligan 1964-8-21 233 Modoc S end of Dorris Reservoir Dam 1372 Comment
  UC1192291  Chamaesyce serpyllifolia Herbert L. Mason, Verne Grant 1947-7-10 13325 Modoc 2 mi E of Alturas (Dorris Reservoir) Comment
  CHSC99251  Chenopodium Lowell Ahart; John Dittes 2008-6-21 15010 Modoc Along a large levee, mountain meadow, in Big Valley, about 4.3 miles (air) northeast of the Headquarters at Ash Creek State Wildlife Area, about 7.3 miles (air) northeast of Bieber. 1266 Comment
  RSA0076312  Chenopodium L. C. Wheeler 1935-8-30 3930 Modoc Devil's Garden: Lakeshore Reservoir. 1524 Comment
  JEPS127299  Chenopodium album Lowell Ahart, John Dittes 2016-7-14 21168 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
  HSC4398  Chenopodium chenopodioides M. T. Milligan 1966-6-29 490 Modoc N end of Jess Valley 1616 Comment
  UC1191344  Chenopodium glaucum Herbert L. Mason 1947-8-12 13507 Modoc junction of North and South Forks of Pit River Alturas Comment
  SFV7751  Chenopodium leptophyllum T. Gordon, K. Kimbrough 1975-8-15 1217 Modoc Just east of the entrance to Lava Beds National Monument. 1280 Comment
  UCD98317  Chenopodium murale Herbert L. Mason 1947-8-15 13555 Modoc Mouth of Crane Creek on Willow Ranch, east side of Goose Lake. Comment
  UC412890  Chimaphila umbellata Franklin P. Nutting 1900-8-20 Modoc near Forestdale Comment
  HSC80767  Chimaphila umbellata G. M. Riegel 1979-8-21 680 Modoc S Warner Mtns. 1670 Comment
  SEINET2149924  Chimaphila umbellata var. occidentalis K. T. Harper 1974-1 136 Modoc Pine Creek, west slope of Warner Mountains. 2195 Comment
  CDA18855  Chorispora tenella R. Breckeridge 1999-6-15 PDR 1151663 Modoc Central Coast Ranges; Along Jones Lane, in the vicinity of Alturas. 1328 Comment
  NY125574  Chorispora tenella B. M. Bartholomew 1993-5-10 6450 Modoc At the Nevada border directly E of Eagleville, E side of Surprise Valley 1520 Comment
  CAS-BOT-BC15031  Chrysothamnus humilis Elmer Ivan Applegate 1932-8-5 8183 Modoc S slope of Cedar Mountain, Warner Mountains Comment
  UCR64883  Chrysothamnus nauseosus George K. Helmkamp 1990-9-23 H- 3 Modoc US Hwy 395, 13 mi north of Likely 1345 Comment
  CAS-BOT-BC15039  Chrysothamnus nauseosus subsp. albicaulis Loran C. Anderson 1958-8-24 1615 Modoc Cedar Pass Campground, 8 mi. W of Cedarville. Comment
  CAS-BOT-BC15050  Chrysothamnus nauseosus subsp. albicaulis Roxana Stinchfield Ferris; R. Duthie 1919-6-14 119 Modoc Hills above Parker Creek. Comment
  RSA817  Chrysothamnus nauseosus subsp. consimilis E. R. Johnson 1928-8-31 1191 Modoc Big Valley, south of Lookout 1250 Comment
  CHSC106177  Chrysothamnus viscidiflorus subsp. viscidiflorus Lowell Ahart; John Dittes 2010-8-30 17061 Modoc Near the homestead, about 100 yards east of the fence, 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
  CHSC109510  Chrysothamnus viscidiflorus subsp. viscidiflorus L. P. Janeway; B. Castro 2012-7-25 10997 Modoc Warner Mountains. Along Twelve Mile Creek 3.5 air mi east-southeast of Dismal Swamp and 2.7 air km norhteast of Mount Bidwell. 2182 Comment
  JEPS21408  Chrysothamnus viscidiflorus subsp. viscidiflorus W. L. Jepson 1918-8-6 7836 Modoc Fandango Pass 1859 Comment
  HSC5368  Cichorium intybus M. T. Milligan 1964-8-21 236 Modoc Pikes Pt. Easgle Lake 1677 Comment
  JEPS15744  Cicuta maculata var. angustifolia W. L. Jepson 1918-8-9 7921 Modoc Fort Bidwell 1432 Comment
  RSA0123895  Cicuta maculata var. angustifolia Robert F. Thorne 1969-9-5 39160 Modoc Modoc National Forest, Warner Mts. Clear Lake. 1768 Comment
  CAS-BOT-BC191002  Circaea alpina subsp. pacifica Bruce Bartholomew 1991-8-6 6089 Modoc S Emerson Trail at stream between S Fork of Emerson Creek and Bearcamp Trail, Warner Mts. 2130 Comment
  CDA1061  Cirsium arvense T. C. Fuller 1959-7-8 2746 -B Modoc Grainfield, 1.5 mi. South of Tulelake. 0 Comment
  UCD144215  Cirsium cymosum Baldo Villegas 1998-8-19 s.n. Modoc near New Pine Creek, 3.6 miles east of Fandango Pass on Highway 395. Comment
  CAS-BOT-BC14975  Cirsium douglasii var. breweri Louis Cutter Wheeler 1935-9-10 3966 Modoc McGinty Reservoir, Devil's Garden 1463 Comment
  HSC65596  Cirsium occidentale var. candidissimum Thomas Wood 1979-8-9 230 Modoc Dirt road along Bidwell Creek, 2.7 mi. NW of jct. with Co. Hwy. 2. N of Fort Bidwell 1555 Comment
  UC748330  Cirsium occidentale var. candidissimum Annie M. Alexander and Louise Kellogg 1946-6-22 4813 Modoc 2 mi n of Lake City 1414 Comment
  CDA15028  Cirsium ochrocentrum var. ochrocentrum B. Villegas, Len Smith 1998-8-19 s.n. Modoc Modoc Plateau; Alturas at intersection of Pencil & Woodchuck Rds. 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
  UC748332  Cirsium scariosum var. americanum Annie M. Alexander and Louise Kellogg 1946-6-14 4765 Modoc Silver Creek branch Patterson Mill road 1828 Comment
  HSC5379  Cirsium vulgare M. T. Milligan 1966-7-26 579 Modoc N end of Jess Valley 1616 Comment
  RSA41236  Clarkia affinis A. M. Alexander, Louise Kellogg 1946-6-12 4738 Modoc Fandango Pass Road 1707 Comment
  CAS-BOT-BC191075  Clarkia gracilis subsp. gracilis John Thomas Howell 1934-6-12 12003 Modoc Davis Creek Comment
  RSA165627  Clarkia gracilis subsp. gracilis Clare B. Hardham 1961-6-19 7848 Modoc Willow Creek. Comment
  CAS-BOT-BC191060  Clarkia lassenensis Bruce Bartholomew 1991-7-4 5890 Modoc S end of Higgins Flat. 1370 Comment
  HSC30036  Clarkia lassenensis D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19378 Modoc Along the S Fork of the Pit River, ~6 mi. E of Likely. Comment
  NY999398  Clarkia lassenensis A. J. Cronquist 1959-6-19 8509 Modoc Atop ridge south of Clear Lake; Warner Mountains 15 miles east of Likely 1981 Comment
  RSA0059897  Clarkia lassenensis Patricia Wilder 1971-6-20 5086 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
  UC422855  Clarkia lassenensis M. F. Gilman 555 Modoc 1676 Comment
  SEINET10632445  Clarkia rhomboidea Peter H. Raven, Otto T. Solbrig 1958-6-18 Raven 13309 Modoc Cottonwood Flat Camp Ground, Modoc National Forest. 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
  CAS-BOT-BC197447  Claytonia lanceolata Bruce Bartholomew; Barrett Anderson 1989-4-28 4660 Modoc 4.3 km E of the Modoc National Forest Boundary on Parker Creek Road, W side of Warner Mts. 1740 Comment
  UC65056  Claytonia lanceolata Milo S. Baker 1890-5-15 79 Modoc Forestdale Comment
  UC851973  Claytonia lanceolata C. L. Hitchcock 1940-5-27 6717 Modoc 15 mi ne Alturas 1981 Comment
  SEINET195687  Claytonia megarhiza Annie M. Alexander, L Kellogg 1946-7-30 5097 Modoc Eagle Peak Warner Mts. Comment
  CAS-BOT-BC197466  Claytonia rubra subsp. rubra John Thomas Howell 1934-6-13 12078 Modoc Fandango Pass. 1828 Comment
  CAS-BOT-BC197474  Claytonia rubra subsp. rubra Bruce Bartholomew 1991-5-23 5690 Modoc 0.5 km E of Day on County Rd. 94. 1050 Comment
  CHSC188  Cleome platycarpa 1936-7-2 Modoc Likely. Comment
  UC35016  Cleome platycarpa Mrs. C. C. Bruce Jun 1898 2180 Modoc Likely Comment
  SD52231  Cleome platycarpa Frank Stephens 1894-7-16 728 Modoc 1430 Comment
  CAS-BOT-BC226090  Collinsia parviflora Annie Montague Alexander; L. Kellogg 1946-6-5 4664 Modoc Emerson Camp, Emerson Creek, south of Eagleville, Warner Mountains 2133 Comment
  CAS-BOT-BC229858  Collinsia parviflora F. Angwin 1946-4-13 s.n. Modoc Big Valley. 1280 Comment
  JEPS79120  Collinsia parviflora L. R. Heckard with R. Bacigalupi 1980-6-10 5222 Modoc sw margin, now dry Egg Lake Comment
  UC1012480  Collinsia parviflora Francis W. Pennell Jun 8 1940-Jun 9 1940 25737 Modoc ne of Alturas (eastern slope of Warner Mountains); Warner Mountains 1737 Comment
  UC26638  Collinsia parviflora Milo S. Baker 1893-6-15 Modoc Forestdale Comment
  CAS-BOT-BC229867  Collinsia parviflora E. H. Steffen 1917-5-21 7 Modoc West Valley camp. 1676 Comment
  JEPS3169  Collinsia parviflora N. T. Mirov 1929-5-30 Modoc Warner Mtns; pasture 1524 Comment
  SEINET10548294  Collinsia parviflora Jeffrey Huber 1971-6-3 Huber 100 Modoc 5 mi. S of Canby on Calif. Hwy. 299. 1280 Comment
  SJSU11591  Collinsia parviflora R. L. Fisher 1958-6-13 Modoc near Adin Pass c. 6 mi S of Canby 1524 Comment
  UC153506  Collinsia torreyi var. latifolia Milo S. Baker 1893-1 Modoc Forestdale Comment
  JEPS70992  Collomia grandiflora W. L. Jepson 1918-8-6 7842 Modoc Surprise Valley 1447 Comment
  CAS-BOT-BC190719  Collomia linearis John Thomas Howell 1934-6-11 11961 Modoc Parker Creek, Warner Mts. 1584 Comment
  CAS-BOT-BC190722  Collomia linearis Annie Montague Alexander; L. Kellogg 1946-7-11 4960 Modoc Eight Mile Creek, NE corner of county. Comment
  JEPS71054  Collomia linearis Frances D. Payne 1932-6-27 615 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  CAS-BOT-BC190718  Collomia tinctoria Betty J. Hammerly 1941-6-20 41 Modoc Clear Lake public camp. 1767 Comment
  RSA71945  Collomia tinctoria F. W. Peirson 1926-6-25 6892 Modoc 1 mile east of summit of Cedarville Road, Warner Mountains Comment
  UC23677  Collomia tinctoria M. S. Baker and Frank Nutting 1894-6-5 Modoc Little Hot Spring Valley Comment
  CAS-BOT-BC21480  Conium maculatum Bruce Bartholomew 1990-6-17 5286 Modoc Surprise Valley, SW side of Lower Alkali Lake, 3.2 km N of Lassen County border. 1370 Comment
  HSC6958  Conringia orientalis M. T. Milligan 1964-6-20 64 Modoc 3 mi. N on Pencil Rd. from Hwy. 395 1372 Comment
  SJSU9370  Conringia orientalis W. Savage 1979-7-8 1480 Modoc W side of Fairchild Swamp Unit, Triangle, Devils Garden District, Modoc National Forest 1493 Comment
  UC1191639  Convolvulus arvensis Herbert L. Mason and Verne Grant 1947-7-10 13338 Modoc 2 mi e Alturas; Dorris Reservoir Comment
  CAS-BOT-BC242183  Corallorhiza maculata Bruce Bartholomew; Barrett Anderson 1988-7-21 4607 Modoc Field redacted by CAS, contact the data manager for more information 1580 Comment
  CAS-BOT-BC229876  Cordylanthus capitatus Alice Eastwood; John Thomas Howell 1940-6-13 8145 Modoc Fandango Pass. Comment
  CHSC109506  Cordylanthus capitatus L. P. Janeway; B. Castro 2012-7-26 11000 Modoc Warner Mountains. Along Highgrade National Recreation Trail 0.9 km south of Little Lily Lake and 1.4 air km north of Mt. Vida. 2340 Comment
  RSA537678  Cordylanthus capitatus L. R. Heckard, P. Rubtzoff 1971-8-3 2705 Modoc At summit of Old Cannon Mill Road, 3.5 miles north of Cedarville Pass, Warner Mountains. 1982 Comment
  SJSU9372  Cordylanthus ramosus W. Savage 1979-7-3 1273 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  SJSU9373  Cordylanthus ramosus W. Savage 1979-7-3 1273 .5 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  SEINET12330725  Cordylanthus ramosus M. J. Williams 1985-1 85- 67 -2 Modoc road into S end of Big Sage Reservoir, NW of Alturas 1524 Comment
  UC70425  Cornus nuttallii Milo S. Baker 1898-8-1 515 Modoc Bowen's Springs Comment
Read comments
Dec 11 2015
  UC1280731  Cornus sericea subsp. sericea H. E. McMinn 1931-5-23 2457 Modoc Warner Mts., Cedarville Rd. Comment
  JEPS114496  Crataegus castlegarensis Lowell Ahart, John Dittes 2008-8-25 15330 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
  CAS-BOT-BC14947  Crepis acuminata Clare Butterworth Hardham 1961-6-18 7801 Modoc N fork Pit River 3.3 mi. S of Cedar Pass Road. Comment
  JEPS120515  Crepis acuminata L. P. Janeway, B. Castro 2012-7-25 10992 Modoc Warner Mountains. Low broad dridge 1.1 km east of Dismal Swamp. Comment
  CAS-BOT-BC290349  Crepis acuminata Elmer I. Applegate 1935-6-2 9289 Modoc Lava Beds National Monument. Canby Cross Comment
  CAS-BOT-BC14925  Crepis bakeri Bruce Bartholomew; Barrett Anderson 1990-7-20 5479 Modoc 10.3 km N of Buck Creek Ranger Station, crest of Warner Mountains W side of Warner Mts. 2130 Comment
  UC690857  Crepis bakeri M. S. Baker and Frank Nutting 1894-6-8 Modoc Egg Lake Comment
  CAS-BOT-BC14918  Crepis bakeri subsp. cusickii Bruce Bartholomew; Barrett Anderson 1989-6-1 4722 Modoc Shake Spring, NW side of Shaffer Mountain. 1500 Comment
  JEPS89243  Crepis modocensis Lauramay T. Dempster 1961-6-18 1693 Modoc peak just s Cedar Pass Comment
  UC581244  Crepis modocensis E. B. Babcock and G. L. Stebbins Jr. 1936-6-9 1807 Modoc about 3 mi w Cedarville; Warner Mountains, Cedar Creek Canyon Comment
  CAS-BOT-BC14863  Crepis occidentalis Bruce Bartholomew 1992-5-17 6348 Modoc On abandoned dirt track, SW side of White Horse Mountains, SW of White Horse Flat Reservoir. 1300 Comment
  CAS-BOT-BC14900  Crepis occidentalis Bruce Bartholomew 1990-6-18 5359 Modoc 1.6 km S of Davis Creek on Hwy 395. 1450 Comment
  CAS-BOT-BC14857  Crepis occidentalis Gordon H. True 1964-6-3 1460 Modoc North fork of Pitt River between Alturas and Goose Lake. 1463 Comment
  CAS-BOT-BC14896  Crepis occidentalis subsp. costata Isabelo T. Kelly 1930-1-1 42 Modoc E slope of Warner Mts., near Ft. Bidwell. Comment
  RSA504618  Crepis occidentalis subsp. pumila Bruce Bartholomew, B. Anderson 1988-6-25 4384 Modoc 5.6 km NW of State Highway 299 on County Rd. 73. 1500 Comment
  RSA603175  Cressa truxillensis L. C. Wheeler 1935-9-4 3951 Modoc Goose Lake: McGinty Point. 1463 Comment
  CAS-BOT-BC14834  Crocidium multicaule Bruce Bartholomew 1991-5-25 5749 Modoc Ca. 1 km W of Tionesta. 1320 Comment
  CAS-BOT-BC14872  Crocidium multicaule Leland S. Smith 1919-4-20 1077 Modoc West of Alturas 1371 Comment
  RSA59490  Crocidium multicaule E. K. Balls 1950-5-17 14729 Modoc South shore, Clear Lake Bird Refuge 1381 Comment
  RSA99018  Crocidium multicaule W. A. Weber, L. S. Rose 1953-5-22 8451 Modoc 7 miles east of Alturas on road to Cedarville. 1372 Comment
  CDA36150  Crupina vulgaris CDFA Staff Jun 1992 Modoc 0 Comment
  UCD59980  Crypsis vaginiflora A. A. Beetle 1944-8-15 3025 Modoc Southwest of Modoc County, 4 miles north of Lookout. Comment
  SDSU20122  Cryptantha affinis Lee Ripma, R. B. Kelley 2012-7-24 387 Modoc Side of FR31. 2386 Comment
  JEPS90284  Cryptantha ambigua Dean Wm. Taylor with Glenn L. Clifton 1989-8-4 10522 Modoc on road to Emerson Camp from Surprise Valley (Warner Mountains, Cole Creek, Emerson Creek drainage); Warner Mountains, Cole Creek 1554 Comment
  CAS-BOT-BC54138  Cryptantha circumscissa Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-10 6457 Modoc 7.9 km W of the Nevada border on the road to Eagleville, E side of Surprise Valley. 1445 Comment
  CAS-BOT-BC54109  Cryptantha intermedia Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16382 Modoc 5 mi. E of Hwy 299 on Cedar Pass road. Comment
  CAS-BOT-BC54144  Cryptantha intermedia Mrs. H. C. Cantelow 1940-6-2 3318 Modoc 9.3 mi NW of Canby. Comment
  CAS-BOT-BC54147  Cryptantha intermedia E. S. Willits 1940-5-17 260 Modoc Willow Ranch. Comment
  HSC75575  Cryptantha intermedia G. M. Riegel 1980-7-14 877 Modoc S Warner Mtns. 1739 Comment
  UC1278107  Cryptantha intermedia Beecher Crampton 1954-7-6 2120 Modoc 6 mi e Alturas (County Rd 56, Collis Ranch) Comment
  HSC3625  Cryptantha simulans M. T. Milligan 1965-6-27 360 Modoc 1677 Comment
  CAS-BOT-BC54118  Cryptantha sobolifera Robert Patterson; Mona Bourell 1993-8-15 5259 Modoc Warner Mountains. Along trail from Patterson Lake to ca. 2 mi north towards Pepperdine Trailhead. 2743 Comment
  UC748457  Cryptantha subretusa Annie M. Alexander and Louise Kellogg 1946-8-8 5125 Modoc Patterson Lake Trail Warner Mountains Comment
  CAS-BOT-BC54125  Cryptantha torreyana John Thomas Howell 1934-6-11 11984 Modoc Parker Creek. 1584 Comment
  UC1222085  Cupressus bakeri C. O. Stone 1963-12-26 276 Modoc approximately 1 mi s Gassaway Reservoir; Quadrangle 16C2 1109 Comment
  UC1523741  Cupressus bakeri Gary Schoolcraft 1981-9-1 573 Modoc w of; Day 1066 Comment
  JEPS2550 Image available Cupressus bakeri Milo S. Baker Aug 1898 Modoc Between Hills Farm (near Dana, SE Siskiyou Co.) & Little Hot Springs Valley (SW Modoc Co.),Modoc Co. Comment
  CHSC75477  Cusickiella douglasii V. H. Oswald; B. Corbin, A. Sanger, G. Schoolcraft 1999-6-12 9764 Modoc Soldier Creek Canyon adjacent to USFS 43N57 in the Warner Mtns. northeast of Stough Reservoir Campground, north side of Hwy. 299, east side of Cedar Pass. 2072 Comment
  UC698533  Cyperus squarrosus Louis C. Wheeler 1935-9-3 3938 Modoc McGinty Reservoir, Devil's Garden 1463 Comment
  UC71859  Cypripedium montanum Mrs. M. H. Manning 1904-7-9 173 Modoc Cottonwood Pass Comment
  CAS-BOT-BC30210  Cystopteris fragilis Roxana Stinchfield Ferris; R. Duthie 1919-6-14 95 Modoc Above Parker Creek. 1981 Comment
  CAS-BOT-BC30211  Cystopteris fragilis Annie Montague Alexander; L. Kellogg 1946-7-23 5059 Modoc Emerson Peak, Warner Mts. Comment
  CAS-BOT-BC30219  Cystopteris fragilis B. Bartholomew; B. Anderson 1988-7-21 4603 Modoc above Upper rush Creek Campground ca. 4 km E of State Hwy 299 btwn Adin and Canby 1580 Comment
  UCR45851  Cystopteris fragilis G. M. Riegel 1980-9-3 1128 Modoc South Warner Mountains 908 Comment
  RSA152455  Cystopteris fragilis I. L. Wiggins, Dorothy Wiggins 1961-6-12 16422 Modoc Near summit of Cedar Pass, between Alturus and Cedarville 1959 Comment
  CAS-BOT-BC245208  Damasonium californicum Peter Hamilton Raven; Otto Thomas Solbrig 1958-6-18 13325 Modoc Small lake at eastern outskirts of Lookout. Comment
  CAS-BOT-BC245209  Damasonium californicum Bruce Bartholomew 1991-7-6 5984 Modoc Sand Flat on Loveness Logging Road. 1370 Comment
  CAS-BOT-BC245218  Damasonium californicum Bruce Bartholomew; Barrett Anderson 1989-6-3 4857 Modoc Crowder Flat Road at Fletcher Creek. 1550 Comment
  UC1256250  Danthonia californica Sherwood Stutz and Tex Scofield 1969-7-17 1 Modoc Vi. Poison Spr. Modoc National Forest 1676 Comment
  UCD60482  Danthonia californica Leo Whitney 1934-5-27 2171 Modoc Hackamore, ca. 15 miles northwest of Canby, Modoc National Forest. 1463 Comment
  POM265519  Danthonia unispicata C. L. Hitchcock 1940-5-28 6720 Modoc near Surprise, ca. 15 miles north of Alturas 1402 Comment
  UCR163912  Danthonia unispicata Jim Andre 1993-6-30 1404 Modoc Modoc Plateau, about 10 miles NW of Canby on Hwy 139, near NW end of Oak Ridge 1494 Comment
  CAS-BOT-BC49508  Deinandra lobbii Bruce Bartholomew; Barrett Anderson 1990-7-19 5406 Modoc Turner Creek at County Rd 90, N end of Big Valley, 6.4 km N of Lassen County border. 1230 Comment
  RSA165629  Delphinium depauperatum Clare B. Hardham 1961-6-18 7569 Modoc Cedar Pass Comment
  JEPS43417  Delphinium depauperatum L. S. Smith 1917-6-2 783 Modoc Parsnip Creek, S. Warner Mts. 1524 Comment
  CAS-BOT-BC217301  Delphinium nudicaule Bruce Bartholomew; Barrett Anderson 1989-6-3 4919 Modoc Stone Coal Valley, 3 km E of State Hwy 299. 1400 Comment
  CAS-BOT-BC217323  Delphinium nuttallianum Clare Butterworth Hardham 1961-6-18 7569 Modoc Mountains S of Cedar Pass. North slopes. Comment
  RSA27686  Delphinium nuttallianum C. L. Hitchcock 1940-5-27 6705 Modoc 15 miles NE of Alturas. 1677 Comment
  UC118561  Delphinium nuttallianum Mrs. R. M. Austin July 1884 Modoc Goose Lake Valley Comment
  CAS-BOT-BC217346  Delphinium nuttallianum Roxana Stinchfield Ferris; R. Duthie 1919-6-14 83 Modoc Modoc County. 1981 Comment
  RSA59803  Delphinium nuttallianum E. K. Balls, M. M. Thompson 1950-5-17 14733 Modoc SW of Double Head, 7.5 miles from Hwy 139, S of Clear Lake Bird Refuge,. 1463 Comment
  UCD61391  Deschampsia danthonioides Beecher Crampton 1960-6-17 5703 Modoc McKay Flat, 13 miles west of Canby, 2.5 miles NE of Happy Camp Station. 1280 Comment
  HSC80820  Deschampsia elongata G. M. Riegel 1979-8-23 699 Modoc S Warner Mtns. 2100 Comment
  UCD32685  Deschampsia elongata Beecher Crampton 1954-7-6 2098 Modoc Modoc County, Road 56, following Shields Creek into Warner Mountains, 22 miles east of Alturas. 1676 Comment
  CAS-BOT-BC58608  Descurainia pinnata subsp. brachycarpa Bruce Bartholomew; Barrett Anderson 1989-4-29 4675 Modoc 6.4 km E of Fort Bidwell on road to Fee Reservoir, NE corner of Surprise Valley. 1460 Comment
  CAS-BOT-BC58610  Descurainia pinnata subsp. brachycarpa John Thomas Howell 1934-6-13 12065 A Modoc Fandango Pass, Warner Mts. 1828 Comment
  CAS-BOT-BC58611  Descurainia pinnata subsp. brachycarpa Bruce Bartholomew; M. Gilbert; L. Skog 1993-5-10 6445 A Modoc At the Nevada border directly E of Eagleville, E side of Surprise Valley. 1520 Comment
  CAS-BOT-BC58439  Descurainia sophia Bruce Bartholomew; Barrett Anderson 1988-6-25 4381 Modoc SW side of Jess Valley, Warner Mts.. 1540 Comment
  NY126141  Descurainia sophia B. M. Bartholomew 1988-6-25 4381 Modoc SW side of Jess Valley, Warner Mtns. 1540 Comment
  CAS-BOT-BC190765  Dicentra uniflora Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-13 6529 Modoc Turn off to Pepperdine Campground on Parker Creek road between Alturas and Granger Summit. 1980 Comment
  HSC81136  Dieteria canescens var. canescens G. M. Riegel 1980-9-3 1132 Modoc South Warner Mountains 1739 Comment
  CAS-BOT-BC49464  Dieteria canescens var. shastensis Leland S. Smith 1917-9-8 155 Modoc Fandango Valley, Warner Mountains 1524 Comment
  CAS-BOT-BC49467  Dieteria canescens var. shastensis Bruce Bartholomew 1991-8-5 6024 Modoc Summit Trail between Pepperdine and Squaw Peak, W side of Warner Mts. 2190 Comment
  CAS-BOT-BC131052  Dimeresia howellii Marion Ownbey; Fred G. Meyer 1940-7-1 2136 Modoc Cedar Pass, Warner Mts. Comment
  SEINET8409815  Diplacus cusickioides David M. Thompson 1988-7-23 975 Modoc e side Warner Mts. 3.7 mi s of Hwy 299 (at Cedarville) along Surprise Valley Road, then 1.5 mi w along Granger Canyon Road. 1500 Comment
  SEINET14196640  Diplacus pygmaeus D. M. Thompson 1988-1 927 Modoc S end Egg Lake, between Kramer Reservoir and White Horse-Lookout road, along intermittent stream, 2.3 road miles W of RR crossing. 1300 Comment
  CAS-BOT-BC234438  Diplacus tricolor Bruce Bartholomew 1993-6-12 6599 Modoc Edge of White Horse Reservoir near McArther Cow Camp. 1350 Comment
  CAS-BOT-BC234439  Diplacus tricolor Leland S. Smith 1924-6-3 1363 Modoc Kramer Reservoir. 1310 Comment
  CHSC100110  Distichlis spicata L. P. Janeway; B. Castro 2008-8-16 9545 Modoc Modoc Plateau. Surprise Valley; east side of Middle Alkali Lake, south side of Hwy 299 10.5 km east of Cedarville. 1378 Comment
  CAS-BOT-BC218293  Dodecatheon alpinum Leland S. Smith 1918-6-23 958 Modoc High Grade. 2346 Comment
  UC105786  Dodecatheon conjugens Mrs. R. M. Austin Apr, 1894 43 Modoc Goose Lake Valley Comment
  UC22371  Dodecatheon conjugens Mrs. R. M. Austin May, 1894 Modoc Goose Lake Valley Comment
  CAS-BOT-BC218277  Dodecatheon conjugens var. conjugens John Thomas Howell 1934-6-11 11976 Modoc Parker Creek. 1584 Comment
  SEINET195708 Image available Dodecatheon conjugens var. conjugens Annie M. Alexander, Louise Kellogg 1946-6-8 4695 Modoc Road from Ealville to Patterson Mill. Comment
  CAS-BOT-BC95117  Downingia bacigalupii Fred. P. Cronemiller 1920-9-20 164 Modoc Blurlow's Ranch, Fandango Valley. 1524 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
  JEPS119656  Downingia bacigalupii Lowell Ahart, John Dittes 2012-7-10 18322 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
  UC187453  Downingia bacigalupii Milo S. Baker 1893-7-25 Modoc near shore of Egg Lake Comment
  CAS-BOT-BC95123  Downingia bacigalupii C. C. (Mrs.) Bruce 1899-7-1 Modoc Goose Lake. Comment
  RSA505679  Downingia bacigalupii G. H. True 1939-6-25 1034 Modoc Boles Meadow NE of Alturas. Comment
  UC1520666  Downingia bicornuta Noel H. Holmgren and Patricia K. Holmgren 1980-7-1 9452 Modoc 13 air mi wnw Canby (Calif Highway 139, 14.2 mi wnw of junction with U.S. Highway 299) 1463 Comment
  CHSC85120  Downingia bicornuta var. bicornuta John Dittes; Josephine Guardino 1991-7-21 415 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
  JEPS14499  Downingia bicornuta var. bicornuta Milo S. Baker 1893-6 Modoc Egg Lake Comment
  SEINET3147634  Downingia elegans L. S. Rose 1940-6-11 40511 Modoc Canby 1326 Comment
  CAS-BOT-BC95137  Downingia insignis Rimo Carlo Felice Bacigalupi; G. Smith 1957-6-28 5988 Modoc Along railroad, 0.8 mi. E of Canby. 1219 Comment
  CAS-BOT-BC58288  Draba albertina Elmer Ivan Applegate 1932-8-2 8088 Modoc Mill Creek Meadows, Warner Mts. Comment
  CAS-BOT-BC58553  Draba densifolia Annie Montague Alexander; L. Kellogg 1946-8-9 5142 Modoc Squaw Peak, Patterson Lake Trail, Warner Mts. Comment
  CAS-BOT-BC58599  Draba densifolia Bruce Bartholomew 1995-9-3 7176 Modoc Vicinity of pass between North Emerson Lake and Eagle Basin, E side of Warner Mountains. 2410 Comment
  UC748106  Draba densifolia Annie M. Alexander and Louise Kellogg 1946-8-9 5142 Modoc slope of Squaw Peak Warner Mountains, slope of Squaw Peak (Patterson Lake trail) Comment
  CAS-BOT-BC41934  Draba stenoloba var. ramosa Gregg M. Riegel 1980-8-26 1109 Modoc South Warner Mountains. 2328 Comment
  CAS-BOT-BC58591  Draba verna Bruce Bartholomew 1993-4-5 6416 Modoc S side of Pit River on County Road 84, ca. 2 km E of County Road 85. 1340 Comment
  RSA534713  Draba verna K. Paulson, R. Paulson 1991-5-25 221 Modoc W side of Goose Lake, ca 1 mi S of Log Landing. 1479 Comment
  UC1594774  Drymocallis David Charlet 1989-8-15 500 Modoc 1 km nw Eagle Peak; South Warner Mountains, nw of Eagle Peak 2550 Comment
  CAS-BOT-BC214763  Drymocallis glandulosa K. Paulson; Robert Paulson 1989-5-21 119 Modoc Near Fletcher Creek, Crowder Flat Road. 1341 Comment
  CAS-BOT-BC214771  Drymocallis glandulosa Leland S. Smith 1918-6-23 954 Modoc Below Lily Lake - High Grade distriict. 2133 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
  CAS-BOT-BC95640  Elatine John Thomas Howell 1934-6-15 12200 Modoc Dorris Reservoir. Comment
  CAS-BOT-BC95641  Elatine Louis Cutter Wheeler 1935-8-3 3763 Modoc Pine Creek, Warner Mts. 1737 Comment
  JEPS123978  Elatine Lowell Ahart, John Dittes 2015-7-15 20349 Modoc Ash Creek State Wildlife Area, about 3.9 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. Comment
  JEPS123979  Elatine Lowell Ahart, John Dittes 2015-7-15 20354 Modoc Ash Creek State Wildlife Area, about 3.9 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. Comment
  JEPS123980  Elatine Lowell Ahart, John Dittes 2015-7-15 20350 Modoc Ash Creek State Wildlife Area, about 3.9 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. Comment
  CHSC99258  Elatine rubella Lowell Ahart; John Dittes 2008-6-21 14980 Modoc West end of a large culvert, west of the large levee, mountain meadow, in Big Valley about 2.8 miles (air) north of the Headquarters at Ash Creek State Wildlife Area, about 5.4 miles (air) northeast of Bieber. 1255 Comment
  CAS-BOT-BC242383  Eleocharis bolanderi Mrs. H. C. Cantelow 1941-5-23 3634 Modoc Hwy 299 just E of Adin Pass Summit. 1576 Comment
  UC1100602  Eleocharis engelmannii var. detonsa Herbert L. Mason 1947-8-13 13525 Modoc N of Canby, NE side of F reservoir Comment
  CAS-BOT-BC242378  Eleocharis macrostachya John H. Hatton 1911-6-15 115 Modoc Spaulding's meadows. 1463 Comment
  UC698625  Eleocharis quinqueflora Louis C. Wheeler 1935-8-15 3862 Modoc Dismal Swamp, Twenty Mile Creek Warner Mountains 2225 Comment
  JEPS45884  Elymus L. S. Smith 1281 Modoc Ranger Station pasture Rush Creek (s of meadow) Comment
Read comments
Mar 25 2011
  RSA603669  Elymus X hansenii L. C. Wheeler 1935-8-4 3779 Modoc Warner Mts., Dry Lake, Pine Creek 2104 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
  CAS-BOT-BC247719  Elymus X saundersii Bruce Bartholomew 1989-8-11 5105 Modoc Vicinity of Patterson Ranger Station, S end of Warner Mountains. 2160 Comment
  HSC65335  Elymus cinereus J. P. Smith, J. O. Sawyer 1973-8-9 7284 Modoc Blue Lake, Modoc Natl. Forest 1829 Comment
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Jul 11 2013
  RSA163810  Elymus elymoides Clare B. Hardham 1961-6-19 7855 Modoc Warner Mountains: Lava fields; Willow Creek Comment
  UCD61511  Elymus elymoides J. C. Hayes 1935-6-25 Modoc Alturas. Comment
  CAS-BOT-BC247740  Elymus elymoides subsp. elymoides Bruce Bartholomew 1990-6-17 5319 Modoc E side of Surprise Valley, 9.6 km E of Eagleville at the Nevada border. 1580 Comment
  CAS-BOT-BC247751  Elymus elymoides subsp. elymoides Bruce Bartholomew; Barrett Anderson 1988-7-21 4452 Modoc Vicinity of Patterson Campground, southern end of the Warner Mts. 2190 Comment
  JEPS70700  Elymus elymoides subsp. elymoides L. S. Smith 1918-8-18 1043 Modoc ridge n Bear Mt.; Modoc <National> Forest 2682 Comment
  UCD61796  Elymus glaucus L. Whitney 1935-7-6 Modoc Pit River. Stone Coal Valley. 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
  CAS-BOT-BC247732  Elymus multisetus Bruce Bartholomew; Barrett Anderson 1990-7-19 5399 Modoc Turner Creek at County Rd 90, N end of Big Valley, 6.4 km N of Lassen County border. 1230 Comment
  UC1024736  Elymus multisetus Leo Whitney 1934-5-19 3044 Modoc Timbered Mountain Modoc National Forest, Devil's Garden (ne portion of county) 1524 Comment
  HSC9671  Elymus trachycaulus M. T. Milligan 1964-7-20 157 Modoc N end of Jess Valley, near Mill Creek. 1677 Comment
  SEINET10963959  Elymus trachycaulus Louis C. Wheeler 1935-8-4 Wheeler 3780 Modoc Sunny gravelly flat. Dry Lake, Pine Creek. Warner Mts. T48N R15E S35. 2103 Comment
  RSA603848  Elymus trachycaulus subsp. trachycaulus L. C. Wheeler 1935-8-4 3780 Modoc Dry Lake, Pine Creek. Warner Mts. 2104 Comment
  UCD62689  Elymus trachycaulus subsp. trachycaulus Hursh 1919-10-30 X 3322 Modoc Alturas. Comment
  SEINET6657087  Elymus triticoides Leo Whitney 1935-8-7 3611 Modoc Lake Joaquina, Hackamore, ca. 15 miles northwest of Canby, Modic National Forest.; 0 1463 Comment
  CAS-BOT-BC217288  Enemion stipitatum Bruce Bartholomew; Barrett Anderson 1989-4-27 4615 Modoc 2.1 km SSE of Day on road to State Highway 299. 1020 Comment
  CAS-BOT-BC217289  Enemion stipitatum Bruce Bartholomew 1995-5-12 6898 Modoc NE side of Day Rock above Little Hot Spring Valley. 1310 Comment
  SEINET12087293  Enemion stipitatum M. S. Baker 1896-1 s.n. Modoc no further locality Comment
  CAS-BOT-BC191038  Epilobium angustifolium subsp. circumvagum Bruce Bartholomew 1989-8-11 5071 Modoc Along Lassen Creek near SE side of Harris Flat, Warner Mountains. 1920 Comment
  CAS-BOT-BC191039  Epilobium angustifolium subsp. circumvagum Leland S. Smith 1919-7-1 980 Modoc Coyote Creek, Warner Mts. 1828 Comment
  CHSC100526  Epilobium brachycarpum Lowell Ahart; John Dittes 2008-8-25 15277 Modoc On the west side of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-notheast of Lookout. 1273 Comment
  CHSC33988  Epilobium brachycarpum N. E. H. Prouty; J. D. Prouty 1980-8-1 198 Modoc Modoc Nat. Forest, Warner Mt. District. Opening south of Soup Spring's Campground. 2072 Comment
  CHSC99964  Epilobium brachycarpum Lowell Ahart; John Dittes 2008-8-25 15277 -A Modoc On the west side of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout. 1276 Comment
  HSC26605  Epilobium brachycarpum D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19429 Modoc Near Hager Reservoir Comment
  HSC41113  Epilobium brachycarpum Thomas W. Nelson, James Nelson, Jane P. Nelson 1976-8-29 3260 Modoc Modoc National Forest: along Hwy. 299 just NW of Adin Pass 1524 Comment
  SD135585  Epilobium brachycarpum B. Bartholomew 1991-6-21 5799 Modoc 1.6 km South of Davis Creek on U.S. Highway 395. 1449 Comment
  UC1191733  Epilobium brachycarpum Herbert L. Mason and Verne Grant 1947-7-10 13337 Modoc 2 mi e Alturas; Dorris Reservoir Comment
  UC20098  Epilobium brachycarpum Milo S. Baker 1893-6-20 Modoc Comment
  HSC16299  Epilobium ciliatum subsp. ciliatum M. T. Milligan 1966-7-26 581 Modoc Slopes and ridges E of Jess Valley 1646 Comment
  CAS-BOT-BC190983  Epilobium ciliatum subsp. glandulosum Annie Montague Alexander; L. Kellogg 1946-7-11 4965 Modoc Eight Mile Creek. Comment
  SEINET195712  Epilobium ciliatum subsp. glandulosum Louise Kellogg, Annie M Alexander 1946-7-17 5008 Modoc Benton Meadow Warner Mountains 2073 Comment
  UC748258  Epilobium ciliatum subsp. glandulosum Annie M. Alexander and Louise Kellogg 1946-7-11 4695 Modoc slope w Eight Mile Creek (ne corner of county) Comment
  RSA502394  Epilobium clavatum D. W. Taylor 1989-8-5 10438 Modoc Emerson Creek drainage, E face Emerson Peak. 2561 Comment
  UC748247  Epilobium clavatum Annie M. Alexander and Louise Kellogg 1946-8-1 5105 Modoc e side of divide Warner Mountains, Eagle Peak 3019 Comment
  CAS-BOT-BC190962  Epilobium hallianum Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10519 A Modoc Patterson Ranger Station (East Creek drainage). 2164 Comment
  NY1000358  Epilobium hallianum B. M. Bartholomew 1991-8-5 6042 Modoc Squaw Peak Trail on north side of Squaw Peak, east side of Warner Mountains 2420 Comment
  POM37841  Epilobium hallianum R. M. Austin 1895-07 510 Modoc Goose Lake Valley. Comment
  CAS-BOT-BC190956  Epilobium hornemannii subsp. hornemannii Bruce Bartholomew; Barrett Anderson 1988-7-23 4571 Modoc Dismal Swamp, Warner Mts.. 2180 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-BC190949  Epilobium obcordatum Leland S. Smith 1917-7-19 115 Modoc Cedar Peak. 2438 Comment
  CHSC100851  Epilobium obcordatum L. P. Janeway 2008-8-17 9562 Modoc Warner Mountains. North slope of Bald Mountain; just below the cliffs at the top of the peak. 2409 Comment
  UC748354  Epilobium obcordatum Annie M. Alexander and Louise Kellogg 1946-7-23 5050 Modoc Emerson Peak Warner Mountains (below cliff, ne) Comment
  CAS-BOT-BC190935  Epilobium pallidum Bruce Bartholomew 1991-7-5 5939 Modoc Dry wash draining into North Willow Creek, between Crowder Flat and the Oregon border. 1620 Comment
  CAS-BOT-BC190867  Epilobium pygmaeum Verne Grant; I. Schneider 1947-7-29 8177 Modoc Payne Reservoir, S of Alturas. Comment
  CAS-BOT-BC30180  Equisetum laevigatum Alice Eastwood; John Thomas Howell 1940-6-13 8181 Modoc E side of Cedar Pass. Comment
  JEPS120175  Equisetum laevigatum Lowell Ahart, John Dittes 2012-7-10 18314 Modoc Northeast of the old homestead, Ash Creek State Wildlife Area, about 3.4 miles (air) west of Adin, about 8.2 miles (air) northeast of Bieber, Big Valley. Comment
  JEPS123858  Equisetum laevigatum Lowell Ahart, John Dittes 2015-7-16 20393 Modoc Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. Comment
  CAS-BOT-BC30181  Equisetum laevigatum Verne Grant; I. Schneider 1947-7-20 8107 Modoc North Fork of Pit River, downstream from Alturas. Comment
  CAS-BOT-BC95484  Eremogone aculeata Leland S. Smith 1917-6-10 33 Modoc Jess Valley. 1524 Comment
  CHSC118084  Eremogone aculeata L. P. Janeway 2016-5-16 12004 Modoc Modoc Plateau. Devils Garden area; along Road 46N02 3.4 road-km south-southeast of Road 47N09/73/181; about 5.2 air-km north of Crowder Mtn Reservoir. 1570 Comment
  CAS-BOT-BC95441  Eremogone congesta Barrett Anderson 1986-7-10 3206 Modoc West Warner Rd. along Bear Flat. 1845 Comment
  CAS-BOT-BC95449  Eremogone congesta Annie Montague Alexander; L. Kellogg 1946-6-10 4708 Modoc Lava bench between Lower and Snake lakes. Comment
  RSA0057500  Eremogone congesta var. simulans C. L. Hitchcock 1940-5-28 6728 Modoc 15 miles north of Alturas. 1402 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
  CHSC67117  Eriastrum signatum James D. Jokerst 1987-6-24 2941 Modoc Ca. 5 mi WSW of Alturas on BLM land ca. 1 mi W of Three Sisters, SW face of slope of summit immediately N of junction of Rds. 76 and 75. Comment
  CAS-BOT-BC14814  Ericameria bloomeri Leland S. Smith 1508 Modoc Lavas W of Mud Lake. 1310 Comment
  CAS-BOT-BC14776  Ericameria greenei Robert Patterson; Mona Bourell 1993-8-15 5239 Modoc Warner Mountains. Along trail from Patterson Lake to ca. 2 mi north towards Pepperdine Trailhead. 2743 Comment
  CAS-BOT-BC14822  Ericameria greenei Bruce Bartholomew 1990-8-4 5628 Modoc Slope on N side of Pine Creek Basin on trail to Patterson Lake, W side of Warner Mts. 2610 Comment
  UC711835  Ericameria greenei Roxana S. Ferris and Laura Lorraine 1941-8-14 10618 Modoc summit Fandango Pass (on road between Fort Bidwell and Pine Creek); Modoc National Forest, Warner Mountains 1889 Comment
  UC748095  Ericameria greenei Annie M. Alexander and Louise Kellogg 1946-8-9 5132 Modoc on slope above Patterson Lake; Warner Mountains, Patterson Lake Comment
  CAS-BOT-BC287482  Ericameria greenei Louis C. Wheeler 1935-8-14 1565 Modoc Lily Lake, Warner Mts, Modoc National Forest 2133 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
  JEPS4046  Ericameria parryi var. nevadensis Frances D. Payne 1935-8-25 809 Modoc s and e of Alturas; Warner Mountains, Parker Creek 1584 Comment
  CAS-BOT-BC42838  Erigeron austiniae Mrs. H. C. Cantelow 1935-6-8 s.n. Modoc S of Marlin. Comment
  SBBG29975  Erigeron bloomeri C. L. Hitchcock 1940-5-27 6669 Modoc 15 mi NE of Alturas 1615 Comment
  RSA0049628  Erigeron bloomeri var. bloomeri Dean Wm. Taylor 2012-6-5 21217 Modoc Vicinity Crank Spring (11 air miles North of Lookout) 1365 Comment
  UC1037318  Erigeron bloomeri var. bloomeri Leo Whitney 1934-5-13 1858 Modoc Timbered Mountain Modoc National Forest, Devil's Garden, Timbered Mountain 1524 Comment
  CAS-BOT-BC42847  Erigeron bloomeri var. bloomeri R. M. Austin 1894-6-1 s.n. Modoc Lava beds W of Willow Creek. Comment
  HSC81118  Erigeron bloomeri var. bloomeri G. M. Riegel 1980-7-3 819 Modoc South Warner Mtns. 2100 Comment
  UC748384  Erigeron bloomeri var. bloomeri Annie M. Alexander and Louise Kellogg 1946-6-10 4718 Modoc lava bench between Lower Lake and Snake Lake (slope facing Lower Lake) Comment
  HSC5552  Erigeron chrysopsidis var. austinae R. C. Wunner 1965-6-13 166 Modoc NW entrance of Gillems Camp near Howitzer Circle 1220 Comment
  UC31421  Erigeron chrysopsidis var. austiniae Mrs. R. M. Austin 1894-5-1 Modoc Comment
  CAS-BOT-BC294960  Erigeron compositus Mrs. C. C. Bruce 1898-6-1 2180 Modoc Lake City Mt. Comment
  CAS-BOT-BC42818  Erigeron coulteri Leland S. Smith 1917-8-3 149 Modoc Davis Creek, Warner Mountains 2133 Comment
  CAS-BOT-BC42825  Erigeron divergens Barrett Anderson 1986-7-9 3160 Modoc County Rd 195 just E of Cedar Pass, Warner Mountains 1785 Comment
  CDA13448  Erigeron divergens G. F. Hrusa, T. D. Wilfred 1996-7-21 13295 Modoc Modoc Plateau; Modoc Co. Rd. 90 bridge over Pit River. E base of Splawn Mtn. N end of Big Valley. Comment
  CAS-BOT-BC42787  Erigeron eatonii var. plantagineus Roxana Stinchfield Ferris; L. Lorraine 1941-8-14 10585 Modoc 3 mi. from Patterson Ranger Station on road to Eagleville, Warner Mountains Comment
  CAS-BOT-BC42795  Erigeron eatonii var. plantagineus Mrs. H. C. Cantelow 1941-5-23 s.n. Modoc Hwy 299 just E of Adin Pass Summit. 1576 Comment
  CAS-BOT-BC42800  Erigeron eatonii var. plantagineus P. Monnet 1913-7-1 908 Modoc Warren's Peak. 2468 Comment
  RSA518731  Erigeron eatonii var. plantagineus Barbara Ertter 1988-6-18 7628 Modoc Hwy. 139 14.5 miles ENE of jct. Hwy 299 at Canby, N of Bessler Reservoir 1463 Comment
  SBBG8129  Erigeron eatonii var. plantagineus H. and M. Dearing 1939-6-9 3613 Modoc mountain meadow, above Cedarville 2133 Comment
  POM229172  Erigeron eatonii var. plantagineus L. C. Wheeler 1935-8-4 3783 Modoc Dry Lake, Pine Creek. Warner Mts. 2104 Comment
  JEPS89684  Erigeron elegantulus Dean Wm. Taylor with Robert A. Price 1988-6-4 9764 Modoc 6.6 mi w of Highway 139 and 1.3 mi se (15deg) of East Sand Butte (Tule Lake Basin along road to Lava Beds National Monument, Modoc Plateau); Modoc Plateau, Tule Lake Basin 1280 Comment
  RSA26265  Erigeron filifolius Alice Eastwood, John Thomas Howell 1940-6-14 8243 Modoc Between Mammoth Cave and Lava Beds National Monument. Comment
  SEINET10813398  Erigeron filifolius var. filifolius Andrew Townesmith, Karen M. Meyer 2007-9-15 Townesmith 933 Modoc Modoc National Forest, Warner Mountain Ranger District. Cedar Creek Upper Trailhead, 0.6 miles off state route 299 on Forest Service road 195. T43N R15E S33. 1948 Comment
  CAS-BOT-BC49624  Erigeron glacialis var. glacialis Robert Patterson; Mona Bourell 1993-8-14 5218 Modoc Patterson Lake. South Warner Wilderness Area. Warner Mountains. 2743 Comment
  SEINET8667553 Image available Erigeron inornatus M. J. Williams 1983-9-13 83- 151 -3 Modoc along side of road from Alturas to Cedarville, 3.8 mi W of Cedar Pass, 6.7 mi from junction of Hwy 299 and Cedarville road 1554 Comment
  CAS-BOT-BC49632  Erigeron inornatus var. inornatus Francis Dorris Payne 1931-6-11 148 Modoc Parker Creek. 1584 Comment
  CAS-BOT-BC49612  Erigeron linearis Margaret J. Williams; et al 1988-5-30 88- 26 -3 Modoc Jess Valley, S of roadside rest. Comment
  CAS-BOT-BC49645  Erigeron linearis Fred D. Douthitt 1916-5-11 13 Modoc Juniper Flats, Modoc N.F. 1524 Comment
  JEPS41572  Erigeron linearis N. T. Mirov 1929-7-4 Modoc Lily Lake Warner Mountains, Lily Lake (about 1 mi s of Oregon-California boundary) 2438 Comment
  UC190610  Erigeron linearis M. F. Gilman 667 Modoc Comment
  UC71827  Erigeron linearis Mrs. M. H. Manning Jun 1 1904-Jul 1 1904 469 Modoc slopes above Alkali Lake (ne Modoc County) Comment
  CAS-BOT-BC49588  Erigeron pumilus subsp. intermedius Alice Eastwood; John Thomas Howell 1940-6-11 8026 Modoc 8 mi. from Canby on road to Alturas. Comment
  HSC5543  Erigeron pumilus var. intermedius M. T. Milligan 1966-6-19 645 Modoc Plateau W of Jess Valley 1829 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
  UC71881  Eriogonum elatum Mrs. M. H. Manning Aug. 1903 352 Modoc Mt. Bidwell 2438 Comment
  POM105620  Eriogonum elatum var. elatum R. M. Austin 1895-08 435 Modoc Goose Lake Valley. Comment
  UCR40300  Eriogonum heracleoides var. angustifolium G. R. Ballmer, G. F. Pratt 1985-7-15 s.n. Modoc Warner Mtns., near the summit of Mount Bidwell 2500 Comment
  CAS-BOT-BC197817  Eriogonum heracleoides var. heracleoides Ernest Brown Babcock; George Ledyard Stebbins 1936-6-9 1816 Modoc Cedar Creek Canyon, about 3 miles west of Cedarville, Warner Mts. 1737 Comment
  HSC43010  Eriogonum heracleoides var. heracleoides J. P. Smith, J. O. Sawyer 1973-8-8 7243 Modoc S slopes of Eagle Peak 2561 Comment
  UC1250296  Eriogonum heracleoides var. heracleoides Annie M. Alexander and Louise Kellogg 1946-7-14 5070 Modoc Emerson Peak Warner Mountains, Horse Mountain, Emerson Peak Comment
  NY282139  Eriogonum microthecum var. ambiguum B. M. Bartholomew 1990-6-17 5323 Modoc E side of Surprise Valley, 9.6 km E of Eagleville at the Nevada border. 1580 Comment
  CAS-BOT-BC197804  Eriogonum microthecum var. laxiflorum Elmer Ivan Applegate 1921-9-2 3342 Modoc Dry Lake. Comment
  CAS-BOT-BC211404  Eriogonum nudum var. pubiflorum Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16640 Modoc 4 mi. E of Summit of Cedar Pass road. 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-BC211436  Eriogonum nudum var. pubiflorum G. D. Hanna 1958-9-23 Modoc Cedar Pass Comment
  CHSC109468  Eriogonum nudum var. pubiflorum L. P. Janeway; B. Castro 2012-7-28 11037 Modoc Warner Mountains. At Obsidian Needles Obsidian Collecting Area; along Road 45N34 loverlooking North Fork Davis Creek about 6.0 air km east-northeast of the community of Davis Creek (on Hwy 395). 1905 Comment
  HSC81001  Eriogonum nudum var. pubiflorum G. M. Riegel 1980-9-3 1135 Modoc S Warner Mtns. 1739 Comment
  NY762339  Eriogonum nudum var. pubiflorum N. H. Holmgren 1964-8-21 1717 Modoc Warner Range, Modoc National Forest, about 5 miles southwest of Eagleville on the Eagleville-Likey Road Comment
  NY762345  Eriogonum nudum var. pubiflorum M. J. Williams 1983-7-29 83115- 1 Modoc Stowe Reservoir Road, north of Cedar Pass, Warner Mountains 2072.6 Comment
  RSA101375  Eriogonum nudum var. pubiflorum R. Weatherby 1955-7-8 1637 Modoc 3 mi. north of Ft. Bidwell, northern Warner Mts. 1555 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
  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
  RSA318662  Eriogonum nudum var. pubiflorum Margaret J. Williams 1983-7-29 83- 115 -1 Modoc Stowe Reservoir Rd. N of Cedar Pass, Warner Mountains 2073 Comment
  UC1540183  Eriogonum ovalifolium Dean Wm. Taylor, Glenn L. Clifton, Rexford E. Palmer 1987-8-9 9273 Modoc Dry Lake 1341 Comment
  RSA164358  Eriogonum ovalifolium var. multiscapum Clare B. Hardham 1961-6-18 7549 Modoc Hills southeast of Cedar Pass 1829 Comment
  CAS-BOT-BC218196  Eriogonum prociduum Francis Dorris Payne 1931-6-29 280 Modoc Trail from Granger Pass to Mt. Warren, Warner Mts. 2438 Comment
  HSC80861  Eriogonum prociduum var. prociduum G. M. Riegel 1980-8-9 1030 Modoc S Warner Mtns. 1829 Comment
  RSA0028054  Eriogonum sphaerocephalum John F. Emmel 1997-6-8 1496 Modoc 3 to 4 road miles east of Hwy. 395 on Hwy. 299 (Cedarville Road). 1524 Comment
  CAS-BOT-BC211379  Eriogonum sphaerocephalum var. halimioides Bruce Bartholomew 1990-6-18 5379 Modoc Crowder Flat Rd, 0.3 km N of turn off to Big Sage Reservoir. 1480 Comment
  CAS-BOT-BC211383  Eriogonum sphaerocephalum var. halimioides K. Paulson; Robert Paulson 1988-5-22 6 Modoc Engle Swamp Road, Devil's Garden. 1402 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
  JEPS19753  Eriogonum sphaerocephalum var. halimioides Rimo Bacigalupi with S. Galen Smith 1957-6-28 5987 Modoc about 2 mi e S.P. railroad crossing near Canby 1310 Comment
  JEPS56304  Eriogonum sphaerocephalum var. halimioides Frances D. Payne 1931-6-21 209 Modoc ridge sw Dry Creek (tributary of Parker Creek) (s and e of Alturas); Warner Mountains, Parker Creek, Dry Creek 1981 Comment
  NY283124  Eriogonum sphaerocephalum var. halimioides F. M. Ownbey 1940-7-1 2151 Modoc On Talus Slopes, Cedar Peak, Warner Mountains. Comment
  RSA64614  Eriogonum sphaerocephalum var. halimioides F. W. Peirson 1926-7-25 6859 Modoc Cedarville Rd. west slope of Warner Mts. Comment
  SJSU9581  Eriogonum sphaerocephalum var. halimioides W. Savage 1979-7-4 1341 Modoc Triangle: Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  UC585152  Eriogonum sphaerocephalum var. halimioides E. B. Babcock, G. L. Stebbins Jr. 1936-6-9 1797 Modoc hill above Lake City 1515 Comment
  CAS-BOT-BC211356  Eriogonum strictum subsp. anserinum Alice Eastwood; John Thomas Howell 1940-6-11 8014 Modoc 6 miles NE of Adin on road to Canby. 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
  UC1035865  Eriogonum strictum var. anserinum Annie M. Alexander and Louise Kellogg 1946-7-11 4971 Modoc ne corner of mesa w Eight Mile Creek Comment
  UC849663  Eriogonum strictum var. anserinum Lewis S. Rose 1940-6-12 40541 Modoc 6 mi ne Alturas 1341 Comment
  CAS-BOT-BC248339  Eriogonum umbellatum B. Bartholomew; H. Sun 2002-6-24 8810 Modoc Ridge top just S of Manzanita Mt. and 15.3 straight line km NW of Aden 2070 Comment
  HSC75595  Eriogonum umbellatum G. M. Riegel 1980-9-3 1134 Modoc S Warner Mtns. 1829 Comment
  CAS-BOT-BC267482  Eriogonum umbellatum Lillian Mott 1976-5-29 13 LM76 Modoc Devils Garden, North of Alturas 1402 Comment
  UCD101449  Eriogonum umbellatum var. hausknechtii J. P. Smith; J. O. Sawyer 1973-8-8 7230 Modoc at or near the summit of Eagle Peak. 2987 Comment
  CHSC118314  Eriogonum umbellatum var. modocense L. P. Janeway 2016-5-17 12029 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
  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
  RSA0118775  Eriogonum umbellatum var. modocense Lawrence P. Janeway, B. Castro 2012-7-24 10962 Modoc Warner Mountains. Along Forest Road/County Road 2 (the road from New Pine Creek to Fort Bidwell) 1.0 air km west of Lily Lake and 1.4 air km northwest of Yellow Mountain. 1948 Comment
  RSA420579  Eriogonum umbellatum var. modocense Christopher Davidson 1973-5-26 2144 Modoc 1 mile N of Adin Summit on St. Hwy 299; Modoc Nat'l Forest 1524 Comment
  CAS-BOT-BC197795  Eriogonum umbellatum var. nevadense Louis Cutter Wheeler 1935-8-14 3843 Modoc Pine Creek, Warner Mts. 2011 Comment
  NY399278  Eriogonum umbellatum var. nevadense B. M. Bartholomew 1990-6-15 5246 Modoc Top of Manzanita Mountain in vicinity of Manzanita Lookout. 2130 Comment
  RSA216024  Eriogonum umbellatum var. nevadense J. L. Gentry Jr., Earl Jensen Jr. 1968-7-4 2111 Modoc 15.2 mi. northwest of Hwy. juct. Calif. 139 and Calif. 299 on Calif. 1393 1448 Comment
  UC1037216  Eriogonum umbellatum var. nevadense Leo Whitney 1934-5-19 1575 Modoc Timbered Mountain, Devil's Garden Modoc National Forest, Devil's Garden, Timbered Mountain 1524 Comment
  CAS-BOT-BC197620  Eriogonum umbellatum var. polyanthum K. Paulson; Robert Paulson 1989-5-8 109 Modoc Howard's Gulch, along Hwy 139. 1371 Comment
  CAS-BOT-BC197781  Eriogonum umbellatum var. polyanthum Margaret J. Williams 1984-7-1 84- 86 -3 Modoc 3.1 mi N of Hwy 299 on Crowder Flat road. 1341 Comment
  CAS-BOT-BC197599  Eriogonum vimineum Alice Eastwood; John Thomas Howell 1940-6-13 8134 Modoc W side of Fandango Pass. Comment
  CAS-BOT-BC197605  Eriogonum vimineum Annie Montague Alexander; L. Kellogg 1946-7-17 4996 Modoc Cedar Pass, Warner Mts. Comment
  JEPS56153  Eriogonum vimineum W. L. Jepson 1918-8-6 7851 Modoc Surprise Valley 1447 Comment
  RSA216037  Eriogonum vimineum J. L. Gentry Jr., Earl Jensen Jr. 1969-7-4 2112 Modoc 15.2 mi. northwest of Hwy. jct. calif. 139 and calif. 299 on Calif 139. 1448 Comment
  RSA65965  Eriogonum vimineum F. W. Peirson 1926-6-24 6856 Modoc near a small lake about 3 mi. east of Alturas. Comment
  SEINET5512262  Eriogonum vimineum J. C. Beatley 1964-1 Modoc Common in Tule Lake Area. Drainage area: Tule Lake 1829 Comment
  UCD101535  Eriogonum vimineum J. M. Tucker 1951-7-25 1971 Modoc beside highway 139, 26.4 miles southeast of Tule Lake. Comment
  UCD101517  Eriogonum vimineum var. vimineum Johnnie L. Gentry Jr. 1968-7-4 2112 Modoc 15.2 miles northwest of Hwy. jct. Calif. 139 and Calif. 299, on Calif. 139. 1447 Comment
  CAS-BOT-BC49551  Eriophyllum lanatum Roxana Stinchfield Ferris; R. Duthie 1919-6-13 60 Modoc Above Parker Creek at Modoc N.F. boundary Comment
  CAS-BOT-BC49559  Eriophyllum lanatum Bruce Bartholomew; Barrett Anderson 1988-7-23 4563 Modoc Near Poison Lake ca. 5 km S of the road from U.S. Highway 395 to Lily Lake, Warner Mts.. 2000 Comment
  CAS-BOT-BC49566  Eriophyllum lanatum Barrett Anderson 1986-7-10 3192 Modoc West Warner Rd N of North Fork of Pine Creek. 1965 Comment
  CAS-BOT-BC49593  Eriophyllum lanatum John Thomas Howell 1934-7-1 12307 Modoc Duncan Horse Camp. 1355 Comment
  UCR34488  Eriophyllum lanatum J. A. Harpel 1981-8-7 V- 51 Modoc Warner Mtns, South Warner Wilderness Area, Pine Creek Basin Trail, 7 mi. NW of Eagleville 2490 Comment
  CHSC112350  Eriophyllum lanatum var. achilleoides L. P. Janeway; B. Castro 2014-2-6 11283 Modoc Great Basin. Along County Road 5 1.0 km west of the southwest corner of Cow Head Lake. 1627 Comment
  SDSU4093  Eriophyllum lanatum var. achilleoides D. F. Howe 1964-7-31 3906 Modoc Modoc National Forest 8.5 miles from entrance on road from Likely, Warner Mts. 1554 Comment
  UC186458  Eriophyllum lanatum var. achilleoides Mrs. M. H. Manning 1905-6-12 711 Modoc ne Modoc County Warner Range 1524 Comment
  UC190612  Eriophyllum lanatum var. achilleoides M. F. Gilman Modoc Comment
  JEPS6031  Eriophyllum lanatum var. integrifolium Frances D. Payne 1929-6-28 30 Modoc s and e of Alturas; Warner Mountains, Parker Creek 1584 Comment
  CAS-BOT-BC180082  Erodium cicutarium Leland S. Smith 1919-5-7 1094 Modoc Clarke Ranch, Jess Valley. 1600 Comment
  HSC8473  Erodium cicutarium M. T. Milligan 1965-6-26 322 Modoc N end Jess Valley. 1616 Comment
  CAS-BOT-BC21475  Eryngium articulatum Bruce Bartholomew; Barrett Anderson 1988-6-23 4289 Modoc S side of Egg Lake, ca. 1.5 km W of the Burlington Northern railroad track. 1300 Comment
  UC1487324  Eryngium articulatum Lisa Ganio 1981-9-1 18 Modoc at mouth of s.w. drainage of Bayley Reservoir 1584 Comment
  POM259277  Eryngium mathiasiae J. T. Howell 1934-7-2 12349 Modoc 1 mile south of Double Head Comment
  UC1510460  Eryngium mathiasiae Phil Leitner and Barbara Malloch 1983-7-16 Modoc near Doublehead Mtn. (W of road); Modoc National Forest Comment
  UC1487337  Eryngium mathiasiae Yusuf Sheikh and Lincoln Constance 1973-6-27 552 Modoc s. Lower Roberts Reservoir (at n.w. edge of Lookout, on Old Camp 2 Rd. toward White Horse) Comment
  CAS-BOT-BC58574  Erysimum capitatum var. capitatum Leland S. Smith 1920-6-1 1152 Modoc 12 Mile Creek. 1981 Comment
  RSA563313  Erysimum repandum Bruce Bartholomew, M. Bourell 1990-4-27 5185 Modoc 10.3 km NW of Hwy 299 on Crowder Flat Rd. (Elevation 1) Comment
  SD135614  Erysimum repandum B. Bartholomew, M. Bourell 1990-4-27 5185 Modoc 10.3 km northwest of Highway 299 on Crowder Flat Road 0 Comment
  UCD115019  Erysimum repandum W. A. Harvey 1954-6-3 s.n. Modoc in field on Al Lindgren Ranch, 2 miles northeast of Alturas. Comment
  CAS-BOT-BC234511  Erythranthe arvensis Bruce Bartholomew; Barrett Anderson 1989-6-2 4790 Modoc Long Canyon, 12 km NE of Fort Bidwell on the road to the Oregon border. 1550 Comment
  CAS-BOT-BC229900  Erythranthe breviflora Bruce Bartholomew 1991-7-5 5949 Modoc Coyote Meadow, near the Oregon border. 1580 Comment
  CHSC117498  Erythranthe breviflora Lowell Ahart; John Dittes 2016-7-14 21183 Modoc Around the strand of a new pond, south of Ash Creek Canal (now filled in), south of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. 1273 Comment
  CAS-BOT-BC229925  Erythranthe guttata Leland S. Smith 1919-8-18 1135 Modoc Ash Valley. 1463 Comment
  CAS-BOT-BC234475  Erythranthe inflatula Bruce Bartholomew 1995-6-22 6988 Modoc Between Day and Lookout, just W of Burlington Northern Railroad track on County Road 94. 1270 Comment
  SEINET14294046  Erythranthe lewisii A. Sanger 1996-7-12 2414 Modoc [Warner Mountains,] Joseph Creek, 1 mile SW of Bald Mountain, stream at end of road. 1987 Comment
  CAS-BOT-BC234460  Erythranthe primuloides Bruce Bartholomew; Barrett Anderson 1988-7-23 4570 Modoc Dismal Swamp, Warner Mts.. 2180 Comment
  RSA185361A  Erythranthe pulsiferae Clare B. Hardham 1961-6-17 7514 Modoc Cedar Pass Camp Ground, Warner Mountains. Comment
  CAS-BOT-BC402921  Eschscholzia californica Elmer I. Applegate 1935-6-12 9523 Modoc Lava Beds National Monument. Caldwell Butte, south slope Comment
  UCD142822  Euphorbia serpillifolia Herbert L. Mason; Verne Grant 1947-7-10 13325 Modoc Dorris Reservoir, 2 miles east of Alturas. Comment
  UCD142785  Euphorbia serpillifolia J. M. Tucker 1950-7-25 1966 Modoc 13.4 miles southeast of Tule Lake, on highway 139. Comment
  UC17627  Euphorbia spathulata Milo S. Baker 1894-6-15 Modoc Little Hot Spring Valley Comment
  UC711817  Eurybia integrifolia Roxana S. Ferris and Laura Lorraine 1941-8-14 10592 Modoc 3 mi from, on road to Eagleville Peterson Ranger Station; Modoc National Forest. Warner Mountains Comment
  UC485629  Euthamia occidentalis Mrs. M. H. Manning 717 Modoc Likely; ; Irrigating ditch S. Fork of Pit River Comment
  CAS-BOT-BC247708  Festuca idahoensis John Thomas Howell 1934-6-11 11929 Modoc Parker Creek. 1584 Comment
  CAS-BOT-BC247709  Festuca idahoensis John Thomas Howell 1934-7-1 12336 Modoc Duncan Horse Camp. 1355 Comment
  LA13109  Festuca idahoensis John Thomas Howell; 1934-7-1 12335 Modoc Duncan Horse Camp Comment
  CDA28212  Festuca idahoensis A. A. Beetle 1941-6-29 2833 Modoc Near summit of Mt. Adin. Comment
  HSC9865  Festuca idahoensis M. T. Milligan 1965-6-27 370 Modoc 1677 Comment
  CHSC97170  Festuca occidentalis Lowell Ahart 2007-5-29 13942 Modoc On the south side of Dome Trail, trail leads to the Middle Fork of the Feather River, about 200 yards northeast of trail head which is 3/10 mile east of Bean Creek Road, about 2 miles (air) northeast of Big Bald Rock, about 16 miles (air) northeast of Oroville. 844 Comment
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Oct 5 2019
  UCD32731  Festuca rubra Beecher Crampton 1954-7-8 2172 Modoc Warner Mountains, 15 miles east of Likely, along road to Jess Valley. 1676 Comment
  CAS-BOT-BC179185  Floerkea proserpinacoides C. L. Hitchcock 1940-5-27 6696 Modoc 15 mi. NE of Alturas. 1615 Comment
  RSA70435  Floerkea proserpinacoides F. W. Peirson 1926-6-25 6888 Modoc Small side canyon 1 mile east of summit of Warner Mountains on Cedarville Road. Comment
  CAS-BOT-BC214650  Fragaria virginiana Bruce Bartholomew 1994-5-27 6707 Modoc Bowman Spring W side of the Whitehorse Mountains near the Siskyou County line. 1400 Comment
  HSC80697  Fragaria virginiana G. M. Riegel 1980-7-10 864 Modoc S Warner Mtns. 2100 Comment
  NY189402  Frasera albicaulis var. modocensis B. M. Bartholomew 1989-6-3 4854 Modoc Timber Mountain, ca. 30 km N of State Hwy 299 on Crowder Flat Road. 1550 Comment
  NY189403  Frasera albicaulis var. modocensis N. H. Holmgren 1978-6-8 8885 Modoc Fort Bidwell-Adel road, 15.1 km (9.4 mi) northeast of Fort Bidwell and 10.5 km (6.5 mi) airline distance. 1680 Comment
  CAS-BOT-BC191141  Fraxinus latifolia Leland S. Smith 1504 Modoc West side Egg lake edge of lavas. 1310 Comment
  HSC15547  Fritillaria atropurpurea M. T. Milligan 1967-6-15 653 Modoc N end of Jess Valley 1616 Comment
  UC429286  Fritillaria atropurpurea M. F. Gilman 554 Modoc Modoc Mountains 1981 Comment
  CAS-BOT-BC242100  Fritillaria pudica E. S. Willits 1940-4-16 177 Modoc Sugar Hill. Comment
  CAS-BOT-BC225054  Galium aparine Roxana Stinchfield Ferris; R. Duthie 1919-6-14 38 Modoc Parker Creek, near Modoc National Forest boundary. Comment
  CAS-BOT-BC225057  Galium aparine John Thomas Howell 1934-6-13 12063 Modoc Fandango Pass. 1828 Comment
  RSA520345  Galium bifolium Bruce Bartholomew, B. Anderson 1989-6-2 4842 Modoc Vicinity of Stough Reservoir, Warner Mtns. 1950 Comment
  CAS-BOT-BC225069  Galium glabrescens subsp. modocense Bruce Bartholomew 1991-8-5 6071 Modoc Summit Trail between Squaw Peak and Cottenwood Lake along crest of Warner Mts. 2530 Comment
  CAS-BOT-BC225072  Galium glabrescens subsp. modocense Annie Montague Alexander; L. Kellogg 1946-7-14 5071 Modoc House Mountain, Warner Mts. Comment
  CHSC77231  Galium glabrescens subsp. modocense G. Schoolcraft. 1999-6-9 2830 Modoc About 2.5 mi N of Eagleville. 1584 Comment
  UC1485928  Galium glabrescens subsp. modocense Gregg M. Riegel 1980-8-28 1117 Modoc 1/2 mi e Owl Creek Trail (near summit); Modoc Nat. Forest, S Warner Mt. Wilderness Area 2511 Comment
  UC1485931  Galium glabrescens subsp. modocense Gregg M. Riegel 1980-8-22 1100 Modoc 3/4 mi s Squaw Peak (1/4 mi e of Summit Trail); Modoc Nat. Forest, S Warner Mt. Wilderness Area 2084 Comment
  UC1776689  Galium glabrescens subsp. modocense G. Schoolcraft 1999-8-25 2881 Modoc Lower east slope of Warner Mountains near OR stateline 1737 Comment
  CAS-BOT-BC225081  Galium serpenticum subsp. warnerense Clare Butterworth Hardham 1961-6-20 7865 Modoc Mouth of Pine Creek Canyon. Comment
  CHSC85401  Galium triflorum John Dittes; Josephine Guardino 1991-8-24 462 Modoc Modoc Plateau; Warner Mountains; west slope, ca. 8.2 air-miles east of Goose Lake, ca. 2.3 air-miles south of Dismal Swamp, ca. 1.6 air-mile west of Bidwell Mtn.; tributary of Bidwell Creek west of Highgrade Road. 2087 Comment
  HSC65609  Galium triflorum Thomas Wood 1979-8-10 245 Modoc 1.1 mi. E of Modoc National Forest boundary on Mill Creek Basin Rd. 1549 Comment
  JEPS66745  Garrya fremontii L. S. Smith 1917-9-12 906 Modoc Buck Creek Warner Mts. (n Warner Mts) 1828 Comment
  JEPS87990  Gayophytum decipiens Barbara Ertter 1988-6-18 7624 Modoc 1 mi s of s junction Hwy. 139 junction to Lava Beds National Monument (e of Tonesta, a few mi n of Agric. Inspection Station, ca 50 air mi sw of Klamath Falls) 1310 Comment
  RSA67245  Gayophytum decipiens P. A. Munz 1951-9-14 16982 Modoc Cedar Pass, Warner Mountains 1921 Comment
  CAS-BOT-BC190846  Gayophytum diffusum subsp. parviflorum Bruce Bartholomew 1989-7-14 4948 Modoc ca. 8 km NE of Egg Lake and 2.5 km E of Survice Gulch. 1340 Comment
  CAS-BOT-BC190833  Gayophytum humile Bruce Bartholomew 1991-7-4 5889 Modoc S end of Higgins Flat. 1370 Comment
  HSC31367  Gayophytum humile D. H. Norris, T. Nelson, S. Dowty 1971-6-23 19410 Modoc Along Hager Basin Rd. near Big Sage Reservoir. Comment
  JEPS27503  Gayophytum racemosum W. L. Jepson 1918-8-7 7889 Modoc Mt. Bidwell 2468 Comment
  POM254336  Gayophytum ramosissimum Alice Eastwood, John Thomas Howell 1940-6-14 8204 Modoc Near Kelley Hot Springs Comment
  POM38705  Gayophytum ramosissimum R. M. Austin 1895-07 468 Modoc Goose Lake Valley. Comment
  POM128266  Gentiana affinis M. H. Manning 1903-8-27 333 Modoc Tamarack Flat, near summit of Mt. Bidwell. Comment
  UC405416  Gentiana affinis var. ovata Mrs. R. M. Austin Aug., 1894 96 Modoc headwaters Lassen Creek Comment
  UC444850  Gentiana affinis var. ovata Mrs. M. H. Manning Modoc north-eastern Modoc County Comment
  SEINET10635350  Geranium attenuilobum W. T. Frost 1925-7-24 Frost 113 Modoc Jess Valley, Warner Mountains. Comment
  JEPS61451  Geranium viscosissimum Frances D. Payne 1931-6-17 164 Modoc s and e of Alturas; Warner Mountains, Parker Creek 1584 Comment
  HSC8660  Geranium viscosissimum M. T. Milligan 1964-7-1 123 Modoc Howard's Gulch Campground on Hwy. 139 1372 Comment
  SJSU9691  Geranium viscosissimum W. Savage 1979-7-24 1558 Modoc Long Meadow Unit, Devils Garden Ranger District, Modoc National Forest 1615 Comment
  RSA0029586  Geranium viscosissimum var. nervosum Verne Grant, Irving Schneider 1947-7-22 8145 Modoc North Fork of Pit River on Highway 395. About 1 mile north of junction with Cedarville Road. Comment
  UC1191509  Geum aleppicum Verne Grant, Irving Schneider 1947-7-22 8155 Modoc 1 mi nw of Highway 395 (on dirt road leading to s end of Goose Lake, at headwaters of North Fork Pit River); North Fork Pit River Comment
  UC12257  Geum aleppicum M. S. Baker and Frank Nutting 1894-6-30 Modoc Big Valley, near Lookout Big Valley Comment
  HSC18640  Geum triflorum M. T. Milligan 1964-6-17 40 Modoc 1 mi. N of Hwy. 139 on FS Rd. 44N15 1524 Comment
  HSC18642  Geum triflorum M. T. Milligan 1967-7-8 665 Modoc W slope of Eagle Peak 2439 Comment
  UC1607688  Geum triflorum Barbara Ertter 1988-6-18 7627 Modoc 14.5 mi ene of jct Hwy 299 at Canby (n of Bessler Reservoir, Hwy 139) 1463 Comment
  CAS-BOT-BC190699  Gilia inconspicua Bruce Bartholomew 1991-5-24 5714 Modoc Surprise Valley, 7.7 km NE of County Rd. 37 on County Rd. 38, at the Nevada State boundary. 1370 Comment
  UC1332111  Gilia modocensis A. Eastwood and J. T. Howell 1940-6-12 8073 Modoc between Likely and Jess Valey, Modoc Co. Comment
  CDA39673  Glaux maritima C. Pierce 1976-7-23 s.n. Modoc Fee Ranch, Fort Bidwell. 0 Comment
  HSC10052  Glyceria borealis M. T. Milligan 1966-6-30 512 Modoc Slopes and ridges E of Jess Valley 1768 Comment
  HSC38839  Glyceria borealis J. P. Smith, J. O. Sawyer 1973-8-9 7270 Modoc Blue Lake, Modoc National Forest. 1829 Comment
  RSA252379  Glyceria borealis R. F. Thorne, C. W. Tilforth 1969-9-5 39158 Modoc Wet mud at margin of Clear Lake. Warner Mountains, Modoc National Forest. 1768 Comment
  CAS-BOT-BC49526  Gnaphalium palustre Bruce Bartholomew; Barrett Anderson 1989-6-3 4879 Modoc Boles Creek, ca. 5.5 km E of the SE corner of Clear Lake Reservoir. 1430 Comment
  HSC41110  Gnaphalium palustre Thomas W. Nelson, Jane P. Nelson, James Nelson 1976-8-29 3249 Modoc Modoc National Forest: along Hwy. 299 just NW of Adin Pass 1524 Comment
  UC748341  Gnaphalium palustre Annie M. Alexander and Louise Kellogg 1946-7-6 4913 Modoc 3.5 mi east Eagleville Comment
  CAS-BOT-BC49530  Gnaphalium palustre E. S. Willits 1939-10-10 163 Modoc unspecified Comment
  UC1776654  Gnaphalium palustre G. Schoolcraft 1998-8-3 2799 Modoc N of Buckhorn Road near Buckhorn res. 1828 Comment
  UC32026  Gnaphalium palustre Mrs. R. M. Austin 1894-8-1 Modoc Goose Lake Valley, Gardens Goose Lake Valley Comment
  CAS-BOT-BC242178  Goodyera oblongifolia Bruce Bartholomew 1994-7-3 6832 Modoc Field redacted by CAS, contact the data manager for more information 1900 Comment
  CAS-BOT-BC229891  Gratiola neglecta John Thomas Howell 1934-6-15 12201 Modoc Dorris Reservoir, 2 mi. E of Alturas. Comment
  JEPS121225  Gratiola neglecta Lowell Ahart, John Dittes 2013-7-24 18917 Modoc N side of Ash Creek Floodplain, 0.54 air miles SE of Pilot Butte parking area, 1.1 air miles S of County Road 87, 6.8 air miles W of Adin, Big Valley. Comment
  RSA210886  Gratiola neglecta Robert F. Thorne, James Henrickson, C. W. Tilforth 1969-9-4 39100 Modoc On muddy spit and shore of N Fork of Pit River 3.4 mi. N of Alturas where crossed by Highway 395. 1341 Comment
  CAS-BOT-BC304880  Grindelia hirsutula L. S. Smith 1924-6-21 1507 Modoc Modoc National Forest. Egg Lake country Comment
  JEPS119663  Grindelia hirsutula Lowell Ahart, John Dittes 2012-7-11 18337 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
  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
  RSA0059445  Grindelia nana M. S. Baker 1899-8-18 s.n. Modoc Little Hot Spring Valley Comment
  RSA293416  Hackelia californica Reino Alava 1957-7-6 1185 Modoc 2 miles west of Benton Meadows, Davis Creek Pass Road, Modoc Nat l Forest Comment
  CAS-BOT-BC54096  Hackelia cusickii Bruce Bartholomew; Mona Bourell 1990-4-28 5209 Modoc 4.3 km SE of Rush Creek on road to Hunters Ridge. 1550 Comment
  CAS-BOT-BC54057  Hackelia micrantha Elmer Ivan Applegate 1932-7-31 7961 Modoc Mill Creek Meadow, Warner Mountains Comment
  CAS-BOT-BC54100  Hackelia micrantha Bruce Bartholomew 1991-8-5 6037 Modoc Squaw Peak Trail on N side of Squaw Peak, E side of Warner Mts. 2420 Comment
  HSC3658  Hackelia micrantha M. T. Milligan 1965-6-30 403 Modoc E of Jess Valley 1829 Comment
  CHSC100432  Helianthus annuus Lowell Ahart; John Dittes 2008-8-25 15313 Modoc On the east bank of the Pit River (flood plain), about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout. 1273 Comment
  UCD132790  Helianthus annuus Annetta Carter 1946-8-18 1775 Modoc along roadside in open valley, Round Valley, 3 miles northeast of Adin. 1402 Comment
  CAS-BOT-BC54063  Heliotropium curassavicum Elmer Ivan Applegate 1897-6-7 901 Modoc E side of Tule Lake. Comment
  UC78865  Heliotropium curassavicum Mrs. R. M. Austin Aug. 1888 Modoc shores Goose Lake Goose Lake Comment
  RSA611434  Heliotropium curassavicum var. oculatum L. C. Wheeler 1935-9-4 3943 Modoc Goose Lake: McGinty Point. 1463 Comment
  CAS-BOT-BC49380  Hemizonella minima John Thomas Howell 1934-7-1 12312 Modoc Duncan Horse Camp, 6 mi. E of Perez. 1355 Comment
  CAS-BOT-BC21465  Heracleum lanatum Bruce Bartholomew; Barrett Anderson 1990-7-20 5542 Modoc Buck Creek between Del Pratt Spring and Howard Flat, W side of Warner Mts. 1990 Comment
  UC748467  Heracleum lanatum Annie M. Alexander and Louise Kellogg 1946-7-12 4982 Modoc n.e. corner Modoc Co., Twelve Mile Creek Comment
  HSC80787  Heracleum maximum G. M. Riegel 1980-7-28 958 Modoc S Warner Mtns. 2100 Comment
  CAS-BOT-BC180041  Hesperochiron californicus R. M. Austin 1894-1-1 Modoc Goose Lake Valley. Comment
  CAS-BOT-BC180050  Hesperochiron californicus E. H. Steffen 1917-6-20 49 Modoc Jess Valley. 1524 Comment
  RSA420874  Hesperochiron californicus George Willet 1935-6-13 s.n. Modoc 4 miles east of Likely 1524 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
  SD62207  Hesperocyparis bakeri C. O. Stone 1964-6-20 Modoc 200 yards east of Modoc-Siskiyou Co. line on logging road. Fall River Mills Quad Comment
  JEPS32305  Hesperolinon micranthum Frances D. Payne 1932-7-11 692 Modoc s and e Alturas; Warner Mountains, Payne Creek 1584 Comment
  POM203073  Hesperolinon micranthum J. T. Howell 1934-6-30 12258 Modoc Duncan Horse Camp. Comment
  CAS-BOT-BC95148  Heterocodon rariflorum Bruce Bartholomew 1992-5-16 6327 Modoc Lunsford Spring. 1600 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-BC225789  Heuchera cylindrica Annie Montague Alexander; L. Kellogg 1946-7-23 5042 Modoc E slope Emerson Peak, Warner Mts. Comment
  CAS-BOT-BC225794  Heuchera cylindrica Elmer Ivan Applegate 1932-8-1 8057 Modoc Near summit of Warren Peak, Warner Mts. Comment
  UC748229  Heuchera cylindrica var. ovalifolia Annie M. Alexander and Louise Kellogg 1946-7-29 5089 Modoc Head of Eagle Creek; Warner Mountains Comment
  CAS-BOT-BC49510  Hieracium albiflorum Annie Montague Alexander; L. Kellogg 1946-6-15 5117 Modoc Deep Creek, Warner Mountains Comment
  SEINET5507549  Hieracium bolanderi R. Spellenberg, M. Spellenberg 2013-7-24 14582 Modoc USFS road 15 to Medicine Lake 18.5 km N of junction with CA Hwy 89, 37 km NE of Castella 1410 Comment
  UC194095  Hieracium nudicaule Milo S. Baker Jul 3 1893-Jan 1 1900 Modoc 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
  HSC10126  Holcus lanatus M. T. Milligan 1966-7-1 519 Modoc N end of Jess Valley. 1616 Comment
  SEINET191602  Holodiscus discolor var. glabrescens Marion Ownbey, Fred G. Meyer 1940-7-1 2155 Modoc Cedar Peak, Warner Mts. Comment
  HSC18678  Holodiscus microphyllus var. glabrescens M. T. Milligan 1966-7-5 558 Modoc Slopes and ridges E of Jess Valley 1646 Comment
  HSC80696  Holodiscus microphyllus var. glabrescens G. M. Riegel 1979-7-23 553 Modoc S Warner Mtns. 1670 Comment
  JEPS45108  Holodiscus microphyllus var. glabrescens L. S. Smith 1918-8-11 1029 Modoc Camp One Lost Lake (Lost Lake, Modoc Forest); Modoc Forest, Lost Lake 3017 Comment
  HSC68796  Holosteum umbellatum Gary Schoolcraft 1980-4-29 218 Modoc S of substation on N side of Hwy. 299 to Cedarville 1512 Comment
  CAS-BOT-BC95207  Holosteum umbellatum subsp. umbellatum Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-12 6519 Modoc Ca. 1 km W of Aden on road to Lookout. 1280 Comment
  HSC79959  Hordeum brachyantherum Tim Messick 1980-7-24 1247 Modoc Banks of Rough Creek, 0.1 mi. upstream from Geiger Grade 2790 Comment
  CAS-BOT-BC247684  Hordeum brachyantherum subsp. brachyantherum Bruce Bartholomew 1989-8-11 5096 Modoc Vicinity of Patterson Ranger Station, S end of Warner Mountains. 2160 Comment
  CAS-BOT-BC214716  Horkelia tridentata Bruce Bartholomew; Barrett Anderson 1989-6-3 4901 Modoc ca. 8 km WNW of Long Bell Ranger Station. 1350 Comment
  CHSC14079  Horkelia tridentata K. R. Stern; D. B. Joley, J. G. Geschke 1974-6-22 5829 Modoc Ca. 0.5 mi w of w margin of Egg Lake. 1295 Comment
  JEPS44548  Horkelia tridentata Milo S. Baker 1893-6 Modoc Forestdale region Comment
  HSC29910  Horkelia tridentata var. tridentata D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19508 Modoc Big Valley Summit, 6 mi. W of Adin on Hwy. 299 Comment
  CAS-BOT-BC181966  Hosackia crassifolia Alice Eastwood; John Thomas Howell 1940-6-11 8013 Modoc 6 mi NE of Adin on road to Canby. Comment
  CAS-BOT-BC179323  Hydrophyllum capitatum var. alpinum Bruce Bartholomew; Barrett Anderson 1988-5-12 4099 Modoc White Horse. 1340 Comment
  CAS-BOT-BC180027  Hydrophyllum capitatum var. alpinum Mrs. H. C. Cantelow 1940-6-1 Modoc Cedar Pass. Comment
  UC880767  Hydrophyllum capitatum var. alpinum C. L. Hitchcock 1940-5-27 6682 Modoc 15 mi ne Alturas 1615 Comment
  POM98604  Hydrophyllum capitatum var. alpinum F. W. Peirson 1926-6-25 6875 Modoc Cedarville Road, Warner Mountains. Comment
  UC19052  Hypericum M. S. Baker and Frank Nutting 1894-6-20 Modoc Near Whitehorse Lake Comment
  CAS-BOT-BC179903  Hypericum anagalloides Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-14 16477 Modoc Campground on Lassen Creek, 1.6 mi. above ford, Warner Mts. Comment
  CAS-BOT-BC58450  Idahoa scapigera Edward Kent Balls 1950-5-18 14757 Modoc N of Upper Rush Creek Public Camp, 2.5 mi. E of Hwy. 299. 1737 Comment
  UC932081  Iliamna bakeri Verne Grant and Alva Grant 1947-7-13 8019 Modoc Fandango Pass Warner Mountains Comment
  UC449780  Ipomopsis aggregata Franklin P. Nutting Modoc near Forestdale Comment
  UC73647  Ipomopsis aggregata Milo S. Baker 1893-1 Modoc Forestdale Comment
  UC23332  Ipomopsis aggregata Milo S. Baker 1893-7-12 Modoc 1371 Comment
  UC449782  Ipomopsis aggregata W. P. Taylor and H. C. Bryant 1910-7-13 Modoc hea of N. Fork Parker Creek Warner Mtns 2225 Comment
  CAS-BOT-BC190651  Ipomopsis aggregata subsp. aggregata Robert Patterson; Mona Bourell 1993-8-15 5240 Modoc Warner Mountains. Along trail from Patterson Lake to ca. 2 mi north towards Pepperdine Trailhead. 2743 Comment
  JEPS69740  Ipomopsis congesta Milo S. Baker 1893-8-10 Modoc 1219 Comment
  UC23475  Ipomopsis congesta Mrs. C. C. Bruce June 1898 2330 Modoc table land Warner Mtns Comment
  CHSC27611  Ipomopsis congesta subsp. montana Robert Schlising 1978-7-29 3326 Modoc Warner Mountains, directly E of Warren Peak; just off summit of trail. 2852 Comment
  CAS-BOT-BC190640  Ipomopsis congesta subsp. palmifrons Bruce Bartholomew 1991-8-5 6046 Modoc Summit Trail between Squaw Peak and Cottenwood Lake, crest of the Warner Mts. 2470 Comment
  CAS-BOT-BC245105  Iris missouriensis M. M. Hanna 1956-6-7 1022 Modoc Hwy 395, 0.25 mi N of Davis Creek. Comment
  UC2043246  Isatis tinctoria Barbara Ertter 1995-7-1 14457 Modoc Highway 395 south of New Pine Creek on Oregon border, at junction of County Road 44. Comment
  RSA639341  Isoetes bolanderi L. C. Wheeler 1935-8-14 3857 Modoc Cave Lake, Pine Creek, Warner Mtns. (Mt Diablo Mer.) 2073 Comment
  CAS-BOT-BC384659  Iva axillaris Andrew Townesmith; Karen M. Meyer 2007-9-15 925 Modoc Modoc National Forest, Warner Mountain Ranger District. Along state route 299, 10.9 miles west of junction with US route 395. At Cedar Pass 1928 Comment
  UCR64880  Iva axillaris George K. Helmkamp 1990-9-23 H- 01 Modoc US Hwy 395, 13 mi north of Likely 1345 Comment
  CAS-BOT-BC49490  Iva axillaris subsp. robustior Bruce Bartholomew; Barrett Anderson 1990-7-20 5452 Modoc Margin of Goose Lake at S end of the causeway to McGinty Point. 1440 Comment
  CDA34549  Iva axillaris subsp. robustior L. Ahart, John Dittes 2008-8-25 15304 Modoc On the west bank of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout. Comment
  CHSC100011  Iva axillaris subsp. robustior Lowell Ahart; John Dittes 2008-8-25 15304 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
  JEPS114662  Iva axillaris subsp. robustior Lowell Ahart, John Dittes 2008-8-25 15304 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
  UC1192142  Iva axillaris subsp. robustior Verne Grant and Irving Schneider 1947-7-21 8110 Modoc 1/4 mi upstream from confluence with South Fork, by Alturas; North Fork of Pit River Comment
  JEPS86283  Ivesia baileyi var. beneolens Dean Wm. Taylor with Glenn Clifton 1990-6-25 11164 Modoc Cedar Pass Warner Mountains, Davis Creek 15' U.S.G.S. topographic map (n slope of Peak 7298) 2148 Comment
  CAS-BOT-BC214724  Ivesia gordonii Elmer Ivan Applegate 1932-8-1 8049 Modoc W slope of Warner Mts. near summit just S of Warren Peak. Comment
  CAS-BOT-BC245076  Juncus balticus subsp. ater John H. Hatton 1911-6-16 100 Modoc unspecified 1371 Comment
  CAS-BOT-BC10595  Juncus brachyphyllus John Thomas Howell 1934-7-3 12373 Modoc 5 mi. S of Hackamore. Comment
  JEPS121221  Juncus bufonius var. bufonius Lowell Ahart, John Dittes 2013-7-24 18928 Modoc About 50 yards S of the levee road, N side of Ash Creek Floodplain, 0.54 air miles SE of Pilot Butte parking area, 1.1 air miles S of County Road 87, 6.8 air miles W of Adin, Big Valley. Comment
  CAS-BOT-BC245064  Juncus confusus John H. Hatton 1911-6-12 55 Modoc unspecified 1463 Comment
  JEPS119967  Juncus ensifolius Lowell Ahart, John Dittes 2012-7-12 18369 Modoc About 1/8 mile east of the parking area on the east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. Comment
  UC1601860  Juncus ensifolius Baker and Nutting 1894-8-25 Modoc Forestdale Comment
  UC1536801  Juncus ensifolius Gordon H. True Jr. 1939-6-30 1018 Modoc e of Alturas; Parker Creek Comment
  UC70023  Juncus ensifolius Mrs. M. H. Manning Aug 1903 443 Modoc ne Modoc County Comment
  CAS-BOT-BC245058  Juncus hemiendytus var. abjectus Alice Eastwood; John Thomas Howell 1940-6-15 8278 Modoc Near Happy Camp Ranger Station. Comment
  CAS-BOT-BC245059  Juncus hemiendytus var. abjectus Bruce Bartholomew 1993-6-14 6676 Modoc Open moist flat SW of Stovepipe Flat Tank just N of road between Deer Hill and Duncan Reservoir. 1530 Comment
  CAS-BOT-BC245046  Juncus longistylis Alice Eastwood; John Thomas Howell 1940-6-15 8279 Modoc Near Happy Camp Ranger Station. Comment
  CHSC100840  Juncus mertensianus L. P. Janeway; B. Castro 2008-8-17 9573 A Modoc Warner Mountains. North slope of Bald Mountain; just below the cliffs at the top of the peak. Near moist bed of small rocky drainage channel. On moist slope on the side of the drainage. 2372 Comment
  UC1100955  Juncus mexicanus Herbert L. Mason 1947-8-13 13536 Modoc n of Canby (ne side of F reservoir) Comment
  UC2483  Juncus mexicanus Baker and Nutting Modoc Dixie Valley Comment
  RSA368256  Juncus orthophyllus George Willet 1935-6-14 s.n. Modoc 4 miles E of Likely. 1524 Comment
  RSA210799  Juncus torreyi Robert F. Thorne, James Henrickson, C. W. Tilforth 1969-9-4 39067 Modoc Near old margin of Goose Lake, SW shore of Goose Lake N of McGinty Point. 1433 Comment
  CAS-BOT-BC81198  Juniperus occidentalis Florence Angwin 1946-5-4 s.n. Modoc Adin Comment
  HSC1272  Juniperus occidentalis M. G. Burgoyne 1962-4-14 1006 Modoc 6 mi. W of Cedarville on Cedarville Hwy. 1677 Comment
  SD139421  Juniperus occidentalis F. C. Vasek 1962-9-2 day 16 Modoc 4.2 miles east of Likely. 1735 Comment
  UC401375  Juniperus occidentalis Belknap C. Goldsmith 1911-5-21 Modoc county road near Goose Lake; Modoc National Forest Comment
  SD46617  Kalmia polifolia Robert J. Weatherby 1955-7-7 1598 Modoc Mineral Spring near Dismal Swamp, Warner Mountains. 2330 Comment
  HSC30200  Kelloggia galioides D. H. Norris, S. Dowty, T. Nelson 1971-6-23 19514 Modoc Big Valley Summit, 6 mi. W of Adin on Hwy. 299 Comment
  POM68593  Kelloggia galioides R. M. Austin 1895-07 405 Modoc Willow Creek (Devils Garden) Comment
  RSA520449  Kelloggia galioides Bruce Bartholomew, B. Anderson 1990-7-20 5528 Modoc 3.4 Km NW of Tamarack Flat, E side of Warner Mts. 2130 Comment
  RSA520490  Kelloggia galioides Bruce Bartholomew 1989-7-15 5013 Modoc Manzanita Lookout, top of Manzanita Moutain. 2130 Comment
  CAS-BOT-BC95542  Kochia americana Elmer Ivan Applegate 1932-7-6 8193 Modoc Eagleville, Surprise Valley. Comment
  CHSC99767  Koeleria macrantha Lowell Ahart; John Dittes 2008-6-21 15015 Modoc On the north side of the dirt road, in Big Valley, about 3.8 miles (air) north of the Headquarters at Ash Creek State Wildlife Area, about 6.5 miles (air) northeast of Bieber. 1264 Comment
  UC70681  Koeleria macrantha Mrs. M. H. Manning 1904-7-16 Modoc Mt. Bidwell; north-eastern Modoc County Comment
  UCR163262  Koeleria macrantha Jim Andre 1993-7-2 1425 Modoc Modoc Plateau, about 10 miles NW of Canby on Hwy 139, near NW end of Oak Ridge 1494 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
  UC76026  Kyhosia bolanderi Milo S. Baker Modoc Forestdale Comment
  HSC5889  Lactuca biennis M. T. Milligan 1966-7-25 572 Modoc E of Jess Valley 1646 Comment
  CDA7520  Lactuca tatarica subsp. pulchella L. B. Smith 1960-8-12 Modoc Near Robert Anderson ranch, Road 104, Tulelake. 0 Comment
  UC1191979  Lactuca tatarica subsp. pulchella Verne Grant and Irving Schneider 1947-7-18 8051 Modoc s Alturas Comment
  UC33035  Lactuca tatarica subsp. pulchella Milo S. Baker 1893-7-25 Modoc Comment
  UC33036  Lactuca tatarica subsp. pulchella Milo S. Baker 1893-6 Modoc Comment
  UC71829  Lactuca tatarica subsp. pulchella M. H. Manning 1903-1-1 254 Modoc Comment
  POM33424  Lactuca tatarica var. pulchella Mrs. R. M. Austin 1895-07 571 Modoc Goose Lake Valley. Comment
  SEINET11446747 Image available Lagophylla ramosissima R. R. Halse 2010-8-25 8085 Modoc Along State Hwy. 139 ca 25.5 miles northwest of its junction with State Hwy. 299; Modoc National Forest.; 0 1278 Comment
  CDA13473  Lagophylla ramosissima subsp. ramosissima G. F. Hrusa, T. D. Wilfred 1996-7-21 13320 Modoc Modoc Plateau; adjacent to Pit River at Modoc Co. Rd. 90 bridge. E base of Splawn Mtn. N end of Big Valley. Comment
  RSA0113971  Lagophylla ramosissima subsp. ramosissima Lowell A. Ahart, John Dittes 2008-8-25 15327 Modoc On the west side of County Road 91, 3.9 miles (air) north-north-east of Lookout. Comment
  CAS-BOT-BC49452  Lasthenia glaberrima Bruce Bartholomew 1991-10-12 6110 Modoc Ash Creek, 1.8 km S of County Rd. 87 on County Rd. 87A. 1280 Comment
  CAS-BOT-BC49453  Lasthenia glaberrima Bruce Bartholomew; Barrett Anderson 1990-7-19 5408 Modoc Turner Creek at County Rd 90, N end of Big Valley, 6.4 km N of Lassen County border. 1230 Comment
  HSC28509  Lathyrus brownii D. H. Norris, S. Dowty, Thomas W. Nelson 1971-6-23 19472 Modoc Upper Rush Creek Campground, about 8 mi. N of Adin on Hwy. 299 Comment
  UC157911  Lathyrus brownii Milo S. Baker 1893-1 Modoc Forestdale Comment
  CAS-BOT-BC181977  Lathyrus lanszwertii subsp. aridus Bruce Bartholomew 1995-6-22 6979 Modoc Between Day and Lookout, 0.3 km N of on County Road 94 track to Wendt Spring. 1370 Comment
  UC1037241  Lathyrus lanszwertii var. aridus Leo Whitney 1935-5-31 3159 Modoc White Horse Comment
  SD46422  Lathyrus lanszwertii var. lanszwertii Robert J. Weatherby 1955-7-8 1621 Modoc Northern Warner Mountains, 6 miles north of Fort Bidwell, dry hillsides 1783 Comment
  RSA245208  Lathyrus pauciflorus subsp. brownii D. H. Norris, T. Nelson, S. Dowty, B. Norris 1971-6-23 19472 Modoc At Upper Rush Creek Campground about 8 miles north of Adin on Highway 299. Comment
  UC15320  Lathyrus rigidus Mrs. R. M. Austin and Bruce May 1898 2216 Modoc Goose Lake Valley Comment
  SEINET7073588  Layia fremontii A. G. Vestal 1955-5-18 s.n. Modoc Modoc lava on Route 139. Modoc National Forest. UTM Zone 10, 646374mE, 4627855mN. Coordinate datum: NAD27. Comment
  HSC5919  Layia glandulosa M. T. Milligan 1965-7-1 407 Modoc Plateau W of Jess Valley. 1829 Comment
  RSA233786  Lemna minor Robert F. Thorne 1969-9-5 39148 Modoc North of South Fork of Pit River above jct. with West Creek at Public Campground, ca. 6 mi. E of Likely. 1402 Comment
  POM312461  Lemna minor Verne Grant, Irving Schneider 1947-7-19 8064 Modoc Corporation ranch; irrigation ditch south of south loop road, south of Alturas Comment
  CHSC117030  Lemna minuta Lowell Ahart; John Dittes 2016-6-6 20969 Modoc About 100 yards east of the parking area, about one mile south of the intersection of County Road 87 and Access Road to Pilot Butte parking area, 3.8 miles (air) east of Lookout, 7.5 miles (air) west of Adin, Ash Creek State Wildlife Area. 1271 Comment
  UC1101297  Lemna turionifera Herbert L. Mason, Verne Grant 1947-7-12 13389 Modoc several mi s of Alturas (by Jones' Lane, off Highway 395) Comment
  UC71695  Lemna turionifera Mrs. M. H. Manning 1893-2 320 Modoc near Fort Bidwell (in Northeastern Modoc County) Comment
  CAS-BOT-BC58666  Lepidium chalepense K. Paulson; Robert Paulson 1991-7-13 239 Modoc Near Bear Flat Road, southern Warner Mountains. 2164 Comment
  CAS-BOT-BC58346  Lepidium montanum subsp. canescens John Thomas Howell 1934-6-15 12182 Modoc Alturas. Comment
  UC398778  Lepidium montanum var. canescens Mrs. Austin 1888-1 336 Modoc s of Alturas; Pit River Comment
  CAS-BOT-BC58302  Lepidium perfoliatum Bruce Bartholomew; Barrett Anderson 1988-6-25 4382 Modoc SW side of Jess Valley, Warner Mts.. 1540 Comment
  CAS-BOT-BC190632  Leptodactylon pungens Elmer Ivan Applegate 1932-7-9 7610 Modoc N slope of Bidwell Mountain. Comment
  RSA520471  Leptosiphon bolanderi Bruce Bartholomew, B. Anderson 1989-4-27 4625 Modoc Little Hot Spring Valley, 4 km NW of Day. 1070 Comment
  CHSC114021  Leptosiphon harknessii L. P. Janeway 2014-7-7 11444 Modoc Warner Mountians. East side of crest of Warner Mountains 2.3 air-km east of Cedar Pass; along Road 43N07 1.4 road-km east of Stough Reservoir. 2000 Comment
  POM74259B  Leptosiphon harknessii Mrs. R. M. Austin 1895-07 534 Modoc Goose Lake Valley. Comment
  SJSU8681  Leptosiphon septentrionalis W. Savage 1979-7-3 1290 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  CAS-BOT-BC242077  Leucocrinum montanum E. S. Willits 1940-4-21 188 Modoc Near quarantine station, Alturas. Comment
  CAS-BOT-BC242080  Leucocrinum montanum Edward Kent Balls 1950-5-14 14687 Modoc Trail from Alturas to Thomas Reservoir, 3 mi. N of turn off from Hwy 395. 1524 Comment
  SEINET7073595  Leucocrinum montanum A. G. Vestal 1955-5-18 s.n. Modoc Modoc lava on Route 139. Modoc National Forest. UTM Zone 10, 646374mE, 4627855mN. Coordinate datum: NAD27. Comment
  UC423437  Leucocrinum montanum M. F. Gilman 525 Modoc 1676 Comment
  UCD138434  Leucocrinum montanum Frank C. Vasek 1975-5-21 s.n. Modoc Crowder Flat Road, ca. 2 miles south of Crowder Flat Guard Station at Hag Valley (ca. 12 miles west of Goose Lake and ca. 7 miles south of Oregon border), Modoc National Forest. Comment
  UC1585400  Lewisia nevadensis R. Raiche and K. Zadnik 1989-7-5 90227 Modoc n Cedar Pass (Soldier Creek drainage); Warner Mts., Cedar Mt. Area 1985 Comment
  UC748125  Lewisia pygmaea Annie M. Alexander and Louise Kellogg 1946-6-8 4698 Modoc road from Eagleville to Patterson Mill 2286 Comment
  NY497584  Lewisia rediviva C. L. Hitchcock 1940-5-27 6671 Modoc 15 miles northeast of Alturas 1615.4 Comment
  UC1031362  Lewisia rediviva C. L. Hitchcock 1940-5-27 6671 Modoc sagebrush knoll 15 mi ne Alturas 1615 Comment
  CAS-BOT-BC197493  Lewisia rediviva K. Paulson; Robert Paulson 1988-5-22 4 Modoc Engle Swamp Road, Devil's Garden. 1402 Comment
  CHSC112873  Lewisia rediviva var. rediviva L. P. Janeway; B. Castro 2014-6-2 11284 Modoc Great Basin. Along County Road 5 1.0 km west of the southwest corner of Cow Head Lake. 1627 Comment
  CHSC118313  Lewisia rediviva var. rediviva L. P. Janeway 2016-5-17 12018 Modoc Modoc Plateau. Devils Garden area; flat just below (west of) Porcupine Rim; 0.3 km north of Road 43N18; 4.0 air-km west of Big Sage Reservoir. 1544 Comment
  JEPS68585  Leymus triticoides W. L. Jepson 1918-8-11 7937 Modoc Jess Valley 1371 Comment
  SEINET179457 Image available Leymus triticoides F. Payne 782 Modoc Warner Mountains Comment
  UC1037167  Leymus triticoides Leo Whitney 1935-7-17 3511 Modoc ca 15 mi nw Canby; Modoc National Forest, Lake Joaquina, Hackamore 1463 Comment
  UC1037174  Leymus triticoides Leo Whitney 1935-7-19 3536 Modoc ca 15 mi nw Canby; Modoc National Forest, Lake Joaquina, Hackamore 1463 Comment
  UC536901  Leymus triticoides Frances Payne 782 Modoc Warner Mts. Comment
  CAS-BOT-BC242074  Lilium pardalinum subsp. shastense Leland S. Smith 1922-7-20 1305 Modoc Rush Creek Ranger Station pasture. 1905 Comment
  CAS-BOT-BC498668  Lilium washingtonianum K. Paulson; R. Paulson 1991-8-10 251 Modoc Near Manzanita Lookout 2060 Comment
  UC1101423  Limosella acaulis Herbert L. Mason 1947-8-13 13529 Modoc ne side F Reservoir (n of Canby); ne side of F reservoir Comment
  UCD124794  Limosella acaulis Robert F. Thorne; J. Henrickson, C. W. Tilforth 1969-9-4 39109 Modoc north fork of Pit River, 3.4 miles north of Alturas where crossed by Hwy 395. 1341 Comment
  CAS-BOT-BC332735  Limosella acaulis R. F. Thorne; Larry E. DeBuhr 1975-8-22 46966 Modoc Ca. 3.4 miles N of Alturas at bridge over North Fork of Pit River 1341 Comment
  CHSC85116  Limosella aquatica John Dittes; Josephine Guardino 1991-7-21 419 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
  UCR131612  Limosella aquatica L. C. Wheeler 1935-9-1 3934 Modoc Pine Spring, Devil's Garden 1524 Comment
  RSA400277  Limosella aquatica Louis C. Wheeler 1935-8-3 3764 Modoc Warner Mountains: Pine Creek. 1738 Comment
  UCD124797  Limosella aquatica Herbert L. Mason; Verne Grant 1947-7-12 13418 Modoc Pit River Valley, south of Alturas. Comment
  CAS-BOT-BC198047  Linanthus harknessii Bruce Bartholomew; Barrett Anderson 1990-7-20 5517 Modoc Tamarack Flat, E side of Warner Mts. 2150 Comment
  JEPS46256  Linanthus harknessii F. H. Frost 1925-7-11 13 Modoc 2 mi above Cedarville (Cedar Canyon campsite); Cedar Canyon Comment
  UC1332118  Linanthus harknessii Alice Eastwood and John Thomas Howell 1940-6-14 8222 Modoc 8 mi nw Canby Comment
  SJSU9649  Linanthus pungens W. Savage 1979-7-8 1483 Modoc N end Fairchild Swamp Unit, Triangle Devils Garden District, Modoc National Forest 1493 Comment
  RSA78909  Linanthus pungens subsp. pulchriflorus E. K. Balls, Percy C. Everett 1952-10-10 18150 Modoc Above South Fork Public Camp, 8 mi. E. of Likely on road to Jess Valley 1555 Comment
  CDA6357  Linaria genistifolia subsp. dalmatica T. C. Fuller 1963-8-27 11169 Modoc Sugar Hill Planting, Lassen Creek, ca. 6 miles southeast of Willow Ranch. 0 Comment
  CDA6366  Linaria vulgaris T. C. Fuller 1960-7-27 4876 Modoc Lassen Creek, near Sugar Hill Planting. 0 Comment
  UCD123907  Linaria vulgaris T. C. Fuller 1960-7-27 4876 Modoc 100 square feet around old mill site, Lassen Creek, near Sugar Hill Planting. 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-BC179159  Linum lewisii Roxana Stinchfield Ferris; R. Duthie 1919-6-14 96 Modoc Above Parker Cr., 1 mi. above Modoc Nat. Forest Boundary. Comment
  CAS-BOT-BC179164  Linum lewisii John H. Hatton 1911-6-10 19 Modoc Modoc County. 1524 Comment
  CAS-BOT-BC225820  Lithophragma glabrum Bruce Bartholomew; Barrett Anderson 1989-4-28 4644 Modoc 8.8 km N of State Highway 299 on road to Raker & Thomas Reservoir. 1470 Comment
  UC858192  Lithophragma glabrum C. L. Hitchcock 1940-5-27 6718 Modoc 15 mi ne Alturas 1981 Comment
  UC14490  Lithophragma parviflorum Milo S. Baker 1893-7-18 Modoc Comment
  CAS-BOT-BC123100  Lithophragma tenellum R. M. Austin 1894-6-1 s.n. Modoc Lava beds 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-BC54034  Lithospermum ruderale C. L. Hitchcock 1940-5-27 6654 Modoc 9 mi. NE of Alturas. 1402 Comment
  CAS-BOT-BC54072  Lithospermum ruderale John Thomas Howell 1934-6-13 12060 Modoc Fandango Pass, Warner Mountains 1828 Comment
  UC881907  Lithospermum ruderale C. L. Hitchcock 1940-5-27 6654 Modoc 9 mi. n.e. Alturas 1402 Comment
  CAS-BOT-BC21438  Lomatium bicolor var. leptocarpum Bruce Bartholomew; M; M. Gilbert; L. E. Skog 1993-5-10 6442 Modoc Just NE of Davis Creek Cemetery, 1.3 km E of Davis Creek. 1500 Comment
  CAS-BOT-BC21447  Lomatium bicolor var. leptocarpum R. L. Ward 1976-5-18 s.n. Modoc Pine Spring. 1508 Comment
  JEPS118263  Lomatium bicolor var. leptocarpum Lowell Ahart, John Dittes 2011-6-22 17548 Modoc About 50 yards east of the road, about 100 yards northeast of the Pilot Butte Parking Lot, north edge of Ash Creek Floodplain, 1.1 miles (air) south of County road 87, 7.7 miles (air) west of Adin, 10 miles (air) east of Lookout, Big Valley 1264 Comment
  UC1508605  Lomatium bicolor var. leptocarpum Arnold Tiehm 1984-6-30 8838 Modoc n.w. side Bidwell Mt. (2.2 rd. mi. n. of 8 mile creek on rd. from Lake Annie) 1844 Comment
  POM78001  Lomatium bicolor var. leptocarpum Mrs. R. M. Austin 1895-07 40 Modoc Davis Creek Comment
  RSA565027  Lomatium canbyi Wm. Taylor 1992-3-16 12329 Modoc Ca. 1 mile SW of southern end Duncan Reservoir (ca. 1.5 air mile E of Amborse) 1494 Comment
  CAS-BOT-BC30175  Lomatium foeniculaceum subsp. macdougalii Bruce Bartholomew 1995-6-2 6941 Modoc 3.5 km NE of County Road 38 on County Road 37, SE side of Surprize Valley. 1390 Comment
  SEINET8688103  Lomatium leptocarpum G. Schoolcraft 1998-5-19 2708 Modoc 0.5 miles E of Hwy 395 on Hwy 299 E of Alturas 1387 Comment
  CAS-BOT-BC30147  Lomatium macrocarpum John Thomas Howell 1934-6-11 11924 Modoc Parker Creek. 1584 Comment
  CAS-BOT-BC30138  Lomatium macrocarpum R. M. Austin; C. C. (Mrs.) Bruce 1898-6-1 2285 Modoc Goose Lake. Comment
  SEINET8688201  Lomatium macrocarpum E. K. Balls 1950-5-13 14670 Modoc 0.2 miles south of Oregon- California State line, west shore Goose Lake 1463 Comment
  NY1066292  Lomatium nevadense B. M. Bartholomew 1989-4-29 4669 Modoc 6.4 km E of Fort Bidwell on road to Fee Reservoir, NE corner of Surprise Valley. 1460 Comment
  CAS-BOT-BC15760  Lomatium nevadense var. nevadense James D. Jokerst 1983-5-31 1802 Modoc Near Signal Butte. 1340 Comment
  UC71557  Lomatium nevadense var. parishii Mrs. M. H. Manning 1903-4 57 Modoc n.e. Modoc Co. Comment
  CAS-BOT-BC15771  Lomatium nudicaule Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-13 16471 Modoc 2.4 mi. S of Davis Creek. Comment
  HSC28844  Lomatium nudicaule D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19403 Modoc Along Hager Basin Rd. near Big Sage Reservoir. Comment
  CAS-BOT-BC15729  Lomatium piperi Bruce Bartholomew 1993-4-3 6410 Modoc Just S of Adin Pass on State Hwy 299. 1600 Comment
  UC643303  Lomatium triternatum var. macrocarpum Alice Eastwood and John Thomas Howell 1940-6-12 8087 Modoc Jess Valley Comment
  CAS-BOT-BC21418  Lomatium triternatum var. triternatum M. M. Hanna 1956-6-4 s.n. Modoc Cedar Pass. Comment
  CAS-BOT-BC21425  Lomatium triternatum var. triternatum Alice Eastwood; John Thomas Howell 1940-6-15 8292 Modoc 9 mi. N of Lookout. Comment
  SEINET11131297  Lomatium triternatum var. triternatum M. J. Williams, T. Holcomb, B. Holcomb, L. Saxton 1988-5-28 88191 Modoc Hwy 395, intersection with Davis Creek Road Comment
  CAS-BOT-BC21400  Lomatium vaginatum John Thomas Howell 1934-6-11 11941 A Modoc Parker Creek. 1584 Comment
  JEPS28835  Lomatium vaginatum Lincoln Constance and Emil DiFulvio 1962-4-16 3750 Modoc 3.2 mi. n. Likely 1310 Comment
  UC1228814  Lomatium vaginatum Lincoln Constance and Emil DiFulvio 1962-4-16 3750 Modoc 3.2 mi. n. Likely 1310 Comment
  RSA503237  Lonicera interrupta Bruce Bartholomew, B. Anderson 1988-6-23 4268 Modoc 1.8 km WSW of Day on County Road 94. 1170 Comment
  CAS-BOT-BC95173  Lonicera involucrata var. involucrata Annie Montague Alexander; L. Kellogg 1946-6-28 4855 Modoc Pine Creek Canyon. 2240 Comment
  UC748118  Lonicera involucrata var. involucrata Annie M. Alexander and Louise Kellogg 1946-6-28 4855 Modoc Pine Creek Canyon Warner Mountains 2240 Comment
  CHSC117568  Lotus corniculatus Lowell Ahart; John Dittes 2016-7-14 21171 Modoc West side of 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
  UC1523716  Lotus crassifolius var. crassifolius Lisa Ganio 1983-7-13 8 Modoc 0.25 mi e U.S.F.S. boundary Comment
  RSA149059  Lotus denticulatus I. L. Wiggins, Dorothy B. Wiggins 1961-6-13 16475 Modoc Roadside 2.4 mi. S of village of Davis Creek, SE side of Goose Lake. Comment
  UC71805  Lotus denticulatus Mrs. M. H. Manning 1903-8-24 324 Modoc n end Alkaline Lake (ne Modoc County) Comment
  CAS-BOT-BC181952  Lotus humistratus D. Isley; I. Isley 1971-7-11 11373 Modoc Intersection of State highways 139 and 299. Comment
  CAS-BOT-BC181944  Lotus purshianus var. purshianus Louis Cutter Wheeler 1935-9-4 3947 Modoc McGinty Point, Goose Lake. 1463 Comment
  CHSC106331  Lotus purshianus var. purshianus Lowell Ahart; John Dittes 2010-8-30 17068 Modoc About 5 yards east of fence, south edge of the meadow, Ash Creek State Wildlife Area, 2300 feet north of Lassen County line, 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  RSA229216  Lotus unifoliolatus Louis C. Wheeler 1935-9-4 3947 Modoc McGinty Point, Goose Lake. 1463 Comment
  HSC68805  Lotus unifoliolatus var. unifoliolatus Gary Schoolcraft 1979-8-9 175 Modoc Near 10 Mile Creek 1768 Comment
  CAS-BOT-BC181931  Lupinus Bruce Bartholomew; Barrett Anderson 1988-6-23 4226 Modoc 2.1 km SSE of Day on the road to State Highway 299. 1020 Comment
  RSA296808  Lupinus albifrons var. albifrons Leland S. Smith 1918-8-13 1035 Modoc Silver Creek foothills, south Warner mts. Comment
  CAS-BOT-BC181913  Lupinus arbustus K. Paulson; Robert Paulson 1991-7-27 245 Modoc Sugar Hill area. 2118 Comment
  SJSU10705  Lupinus arbustus H. L. Buckalew 1961-6-20 Modoc Stough (""Stowe"") Reservoir, 1 mi N of Cedar Pass on Cedar-Alturas Rd., Warner Mts. 1920 Comment
  RSA0025584  Lupinus arbustus John F. Emmel 1996-7-15 1434 Modoc Warner Mtns; ridge 1.1-1.5 air mi south and 0.3-0.5 air mi west of Emerson Peak. 2409 Comment
  POM275211  Lupinus arbustus subsp. calcaratus Louise Kellogg, A. M. Alexander 1946-7-17 5004 Modoc Benton Meadow, Warner Mountains. 2073 Comment
  RSA59729  Lupinus arbustus subsp. calcaratus E. K. Balls 1950-5-18 14742 Modoc 1.3 miles southwest of Canby Bridge on Highway 299. 1341 Comment
  RSA414447  Lupinus arbustus subsp. silvicola Christopher Davidson 1973-5-26 2133 Modoc Ca. 4 miles west of Canby on highway 299. 1341 Comment
  CAS-BOT-BC182181  Lupinus argenteus C. P. Smith 1947-6-13 47453 Modoc 1.1 mi. S of Canby, Highway 299. Comment
  CAS-BOT-BC182219  Lupinus argenteus H. P. Bracelin 1931-6-30 500 Modoc S end of Alturas. 1524 Comment
  CAS-BOT-BC248328  Lupinus argenteus B. Bartholomew; H. Sun 2002-6-24 8809 Modoc Ridge top just S of Manzanita Mt. and 15.3 straight line km NW of Aden 2070 Comment
  UC1129426  Lupinus argenteus Mrs. H. P. Bracelin 1931-6-30 500 Modoc s end Alturas; Canby Quad Comment
  UC748288  Lupinus argenteus Annie M. Alexander and Louise Kellogg 1946-7-7 4917 Modoc Cedarville , Cedarville (Surprise Valley) Comment
  CHSC118290  Lupinus argenteus var. argenteus L. P. Janeway 2016-5-18 12050 Modoc Modoc Palteau. Between Goose Lake and the Devils Garden area; uplands along southeast side of Goose Lake about 2.1 air-km southwest of north end of Road 48 causeway across the lake. 1434 Comment
  UCD106791  Lupinus argenteus var. argenteus Verne Grant; Irving Schneider 1947-8-27 8321 Modoc Southwest end of Clear Lake. Comment
  CAS-BOT-BC182085  Lupinus argenteus var. heteranthus John Thomas Howell 1934-6-12 12010 Modoc Between Davis Creek and Plum Valley. Comment
  CAS-BOT-BC182105  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
  CAS-BOT-BC182120  Lupinus argenteus var. heteranthus Elmer Ivan Applegate 1932-7-9 7573 Modoc N slope of Bidwell Mountain, Warner Mts. Comment
  CHSC109635  Lupinus argenteus var. heteranthus Lowell Ahart; John Dittes 2012-7-11 18338 Modoc East of the gravel pit, north edge of the meadow, about 1/8 mile east of the parking area on the east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adam, about 8 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  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
  JEPS65014  Lupinus argenteus var. heteranthus Leland S. Smith 1918-8-13 1035 Modoc Silver Creek south Warner Mts., foothills, Silver Creek Comment
  NY736936  Lupinus argenteus var. heteranthus C. L. Hitchcock 1940-5-27 6653 Modoc 9 miles northeast of Alturas 1402 Comment
  NY736937  Lupinus argenteus var. heteranthus R. M. Austin 07 1898 2143 Modoc Comment
  UC199847  Lupinus argenteus var. heteranthus M. F. Gilman 664 Modoc slopes 1524 Comment
  SEINET10970215  Lupinus argenteus var. tenellus David B. Dunn 1954-9-3 Dunn 11808 Modoc Just N of Timber Mountain turnoff along Hwy 139. Comment
  POM10923  Lupinus densiflorus var. densiflorus M. S. Baker 1898-5-7 34 Modoc Taylor Mountain. Comment
  CAS-BOT-BC181881  Lupinus latifolius Roxana Stinchfield Ferris; R. Duthie 1919-6-14 1476 Modoc Parker Creek at Modoc Nat. Forest boundary. Comment
  CAS-BOT-BC181872  Lupinus lepidus var. lobbii Bruce Bartholomew 1990-8-4 5645 Modoc Top of pass on Summit Trail, ca. 0.5 km SE of Patterson Lake, E side of Warner Mts. 2800 Comment
  UCR34822  Lupinus lepidus var. lobbii J. A. Harpel 1981-8-6 V- 09 Modoc Warner Mtns, South Warner Wilderness Area: E end of Patterson Lake, 7 mi NW of Eagleville 2744 Comment
  UC1228170  Lupinus lepidus var. sellulus Beecher Crampton 1960-6-17 5706 Modoc 13 mi w Canby (McKay Flat); w of Canby 1280 Comment
  CAS-BOT-BC181857  Lupinus leucophyllus K. Paulson; Robert Paulson 1988-6-19 43 Modoc Cottonwood Flat. 1524 Comment
  UC201968  Lupinus leucophyllus Franklin P. Nutting Modoc near Egg Lake (Lava); , near Egg Lake Comment
  NY747370  Lupinus leucophyllus var. leucophyllus K. Paulson 1988-6-19 43 Modoc Cottonwood Flat 1524 Comment
  UC726491  Lupinus microcarpus var. densiflorus A. A. Heller 1941-6-25 16197 Modoc on the Cedarville rd a short distance e junction with U.S. Highway 395 Comment
  CAS-BOT-BC181842  Lupinus microcarpus var. microcarpus Bruce Bartholomew; Barrett Anderson 1989-6-3 4914 Modoc 5 km W of County Route 91 along the N side of the Pit River. 1340 Comment
  JEPS126502  Lupinus microcarpus var. microcarpus Jennifer Mueller 2016-6-20 CA 370 -222 Modoc From Cedarville head north on County Road 1 through Fort Bidwell. Take County Road 6 from there towards Free Reservoir. After crossing a channel, go left at the road fork. Stay left for about two miles. Comment
  POM10817  Lupinus polycarpus C. F. Baker 1893-08 6953 Modoc No location listed on label. Comment
  CAS-BOT-BC181820  Lupinus saxosus Edward Kent Balls 1950-5-20 14805 Modoc 3.3 mi. above South Fork Public Camp, South Fork Pit River on way to Jess Valley. 1463 Comment
  HSC26005  Luzula comosa D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19523 Modoc At Big Valley summit about 6 mi. W of Adin on Hwy. 299 Comment
  POM215937  Lycium barbarum Louis C. Wheeler 1935-10-10 4033 Modoc Alturas. 1357 Comment
  CAS-BOT-BC179872  Lycopus asper Herbert Louis Mason 1947-8-11 13490 Modoc Hwy 81, W margin of Lower Lake, near boundary between Lasson and Modoc counties. Comment
  UCD124962  Lycopus asper Herbert L. Mason 1947-8-11 13490 Modoc on Highway 81, west margin of Lower Lake, near boundary between Lassen and Modoc counties. Comment
  CHSC112827  Lythrum tribracteatum Lowell Ahart; John Dittes 2013-7-24 18914 Modoc Around a man made pond, north side of Ash Creek Floodplain, 0.54 mile (air) southeast of Pilot Butte Parking Area, 1.1 miles (air) south of County Road 87, 6.8 miles (air) west of Adin, Big Valley. 1263 Comment
  CHSC117265  Lythrum tribracteatum Lowell Ahart; John Dittes 2016-7-14 21176 Modoc Southeast side of a new pond, south of Ash Creek Canal (now filled in), south of Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. 1273 Comment
  RSA0016027  Lythrum tribracteatum Robert F. Thorne, James Henrickson, C. W. Tilforth 1969-9-4 39099 Modoc On muddy spit and shore of N Fork of Pit River 3.4 mi. N of Alturas where crossed by Highway 395. 1341 Comment
  SBBG128274  Lythrum tribracteatum L. Ahart, J. Dittes 2010-8-30 17055 Modoc N side of small wash, ca. 10 yards W of the fence, S edge of the meadow, Ash Crk State Wildlife Area, 2300 feet N of Lassen County Line, ca. 3.6 mi W of Adin, ca. 8.0 mi NE of Bieber, Big Valley 1267 Comment
  RSA608616  Machaeranthera canescens var. shastensis L. C. Wheeler 1935-8-27 3924 Modoc South Mountain, Devil's Garden 1524 Comment
  CAS-BOT-BC49427  Madia citriodora David Daniels Keck; Jens Chr. Clausen 1935-6-24 3714 Modoc 3 mi. NE of Willow Ranch, east of Goose Lake 1554 Comment
  JEPS6014  Madia citriodora Frances D. Payne 1932-6-27 618 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  CAS-BOT-BC49433  Madia elegans K. Paulson; Robert Paulson 1988-6-19 37 Modoc W of Cranby Bridge. 1310 Comment
  CAS-BOT-BC49445  Madia glomerata Louis Cutter Wheeler 1935-8-27 3923 Modoc 1 mi. E of South Mountain, Devil's Garden. 1524 Comment
  JEPS117315  Madia glomerata Lowell Ahart, John Dittes 2010-8-30 17076 Modoc About 15 yards west of the fence, south edge of the meadow, Ash Creek State Wildlife Area, 2,300 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley 1267 Comment
  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
  UC159285  Madia glomerata Mrs. M. H. Manning 740 Modoc Hall's Meadows Comment
  CAS-BOT-BC49413  Madia gracilis Bruce Bartholomew; Barrett Anderson 1988-7-21 4414 Modoc Whitehorse Mts., 11 km N of Day on the road to Whitehorse Flat Reservoir. 1340 Comment
  POM203070  Madia minima J. T. Howell 1934-7-1 12312 Modoc Duncan Horse Camp Comment
  HSC1964  Maianthemum racemosum subsp. amplexicaule M. T. Milligan 1966-7-1 514 Modoc N end of Jess Valley. 1616 Comment
  CAS-BOT-BC179101  Malva neglecta Alice Eastwood; John Thomas Howell 1940-6-13 8164 Modoc Fort Bidwell. Comment
  CAS-BOT-BC179869  Marrubium vulgare Annie Montague Alexander; L. Kellogg 1946-6-22 4812 Modoc Upper edge of Lake Annie. 1524 Comment
  CAS-BOT-BC71146  Marsilea Alice Eastwood; John Thomas Howell 1940-6-15 8282 Modoc Near Happy Camp Ranger Station Comment
  CAS-BOT-BC30189  Marsilea oligospora D. Toren; Barbara Trowbridge 1975-6-21 5313 Modoc In Boles Creek, between Crowder Flat and Clear Lake. 975 Comment
  UCD169464  Marsilea oligospora Louis C. Wheeler 1935-9-18 3993 Modoc Everly Reservoir, Devil's Garden. 1524 Comment
  CAS-BOT-BC498695  Marsilea vestita Louis C. Wheeler 1935-9-18 1616 Modoc Modoc National Forest 1524 Comment
  CHSC117494  Matricaria discoidea Lowell Ahart; John Dittes 2016-7-14 21155 Modoc Wesst side of a new pond, south of Ash Creek Canal (now filled in), south of Ash Creek, Ash Creek State Wildlife Area, 0.79 miles (air) west of Adin, Big Valley. 1273 Comment
  CHSC107375  Matricaria occidentalis Lowell Ahart; John Dittes 2011-6-22 17542 Modoc On the west side of the road, about 30 yards north of the Pilot Butte Parking Lot, north edge of Ash Creek Floodplain, 1.1 miles (air) south of County Road 87, 7.7 miles (air) west of Aden, 10 miles (air) east of Lookout, Big Valley. 1264 Comment
  CAS-BOT-BC181805  Medicago lupulina Bruce Bartholomew 1989-7-14 4937 Modoc Along Rush Creek between Lower and Upper Rush Creek Campgrounds. 1580 Comment
  HSC14988  Medicago lupulina M. T. Milligan 1965-6-23 294 Modoc N end of Jess Valley 1616 Comment
  JEPS123859  Medicago lupulina Lowell Ahart, John Dittes 2015-7-16 20386 Modoc Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. Comment
  HSC29816  Melica fugax D. H. Norris, P. Nelson, S. Dowty 1971-6-22 19320 Modoc Soup Springs Campground. Comment
  JEPS69309  Melica spectabilis Leland S. Smith 1918-1 813 Modoc Comment
  UC705880  Melica stricta Marion Ownbey, Fred G. Meyer 1940-7-1 2152 Modoc Cedar Peak; Warner Mts. Comment
  UC1137125  Melica subulata August L. Hormay 1932-7-17 Modoc Lily Lake Comment
  UC71806  Melilotus albus Mrs. M. H. Manning 1903-7 308 Modoc near Fort Bidwell (ne Modoc Co.) Comment
  HSC15014  Melilotus indicus M. T. Milligan 1964-7-1 101 Modoc Rattlesnake Butte Rd. at Pit River. 1372 Comment
  SD113590  Melilotus officinalis Darley F. Howe 1964-8-2 3926 Modoc Vacant lot, Alturus Comment
  UC634865  Mentha canadensis F. H. Frost Modoc Jess Valley; Warner Mts., Jess Valley Comment
  CAS-BOT-BC179146  Mentzelia dispersa Betty J. Hammerly 1941-6-20 39 Modoc Between Mill Creek Public Camp and Clear Lake. 1767 Comment
  UC718796  Mentzelia dispersa B. J. Hammerly 1941-6-20 39 Modoc Between Mill Creekk Public Camp and Clear lake (On dry south slope) Comment
  CAS-BOT-BC179123  Mentzelia montana Annie Montague Alexander; L. Kellogg 1946-7-7 4946 Modoc Eight Mile Creek. 1752 Comment
  UC1408973  Menyanthes trifoliata R. F. Thorne and C. W. Tilforth 1969-9-5 39166 Modoc Modoc National Forest, Warner Mountains, Clear Lake Clear Lake; Modoc National Forest, Warner Mountains, Clear Lake 1767 Comment
  HSC80938  Mertensia ciliata var. stomatechoides G. M. Riegel 1980-7-30 973 Modoc S Warner Mtns. 2100 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
  RSA550545  Mertensia oblongifolia var. oblongifolia Bruce Bartholomew 1992-5-15 6301 Modoc Tamarack Flat, E side of the Warner Mountains., (41 53 10 N, 120 13 38 W) 2160 Comment
  CAS-BOT-BC54022  Mertensia oblongifolia var. oblongifolia Belknap C. Goldsmith 1913-5-13 97 Modoc W side of Warner Mts. 1584 Comment
  RSA165570  Mertensia oblongifolia var. oblongifolia Clare B. Hardham 1961-6-18 7594 Modoc Warner Mountains: Headwaters Davis Creek 2134 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-BC225966  Micranthes oregana Barrett Anderson 1986-7-10 3199 Modoc West Warner Rd at North Fork of Pine Creek, Warner Mts. 1935 Comment
  CAS-BOT-BC95555  Micromonolepis pusilla Bruce Bartholomew; Barrett Anderson 1989-6-2 4813 Modoc Sand dunes at the SE corder of Upper Alkali Lake, E side of Surprise Valley. 1400 Comment
  UC748189  Microseris nutans Annie M. Alexander and Louise Kellogg 1946-6-14 4750 Modoc Patterson Mill Road, branch to Silver Creek 1828 Comment
  HSC81137  Microseris nutans G. M. Riegel 1979-7-2 462 Modoc South Warner Mtns. 2100 Comment
  RSA164319  Microseris nutans Clare B. Hardham 1961-6-18 7590 Modoc Cedar Pass. 1829 Comment
  CAS-BOT-BC197897  Microsteris gracilis Bruce Bartholomew; Barrett Anderson 1989-4-27 4619 Modoc 2.1 km SSE of Day on road to State Highway 299. 1020 Comment
  CAS-BOT-BC197902  Microsteris gracilis Bruce Bartholomew; Barrett Anderson 1989-4-29 4673 Modoc 6.4 km E of Fort Bidwell on road to Fee Reservoir, NE corner of Surprise Valley. 1460 Comment
  CAS-BOT-BC197912  Microsteris gracilis Gordon H. True 1964-6-3 1440 Modoc Cedar Pass, Warner Mts. 1524 Comment
  RSA59719  Mimulus androsaceus E. K. Balls 1950-5-18 14755 Modoc N of Upper Rush Creek Public Camp; 2.5 mi. east from Hwy. 299 1738 Comment
  UC748169  Mimulus breweri Annie M. Alexander and Louise Kellogg 1946-7-1 4888 Modoc 1/2 mi e Bidwell Creek road summit; Warner Mountains Comment
  UCD122535  Mimulus evanescens S. E. Schoenig 1998-7-5 98- 70 Modoc SW shore of Moll Reservoir, 2 meters from waters edge. 1499 Comment
  CHSC117230  Mimulus guttatus Lowell Ahart; John Dittes 2016-7-16 21238 Modoc Strand of the second pond, south of Ash Creek Canal (now filled in), south of Ash Creek, Ash Creek State Wildlife Area, 0.79 miles (air) south of County Road 87, 1.75 miles (air) west of Adin, Big Valley. 1273 Comment
  UC711826  Mimulus guttatus Roxana S. Ferris and Laura Lorraine 1941-8-13 10539 Modoc Patterson Ranger Station, East Creek drainage Warner Mountains, Modoc National Forest 2164 Comment
  RSA550580  Mimulus guttatus Bruce Bartholomew 1991-7-6 5985 Modoc Sand Flat on Loveness Logging Road. 1370 Comment
  UCD122658  Mimulus guttatus Verne Grant; Irving Schneider 1947-7-19 8070 Modoc south of south loop road, on Corporation Ranch, north of Likely. Comment
  HSC20768  Mimulus lewisii M. T. Milligan 1967-7-9 669 Modoc E of Jess Valley 1768 Comment
  RSA503045  Mimulus lewisii K. Paulson, R. Paulson 1988-7-9 71 Modoc Near Poison Lake, Warner Mountains. 2104 Comment
  SBBG15847  Mimulus lewisii J. R. Haller 1959-8-19 1462 Modoc 0.2 mi W of Cave Lake, jct on road between New Pine Crk and Ft Bidwell 2133 Comment
  POM229221  Mimulus lewisii Louis C. Wheeler 1935-8-8 3807 Modoc Consolidated Mine, Pine Creek, Warner Mountains. 2287 Comment
  SJSU9892  Mimulus longulus W. Savage 1979-7-26 1571 Modoc Fletcher Cr, Long Meadow Unit, Devils Garden District, Modoc National Forest 1615 Comment
  UC27055  Mimulus moschatus Mrs. R. M. Austin and Bruce July 1898 2275 Modoc head Davis Creek Comment
  RSA185359  Mimulus nanus var. nanus Clare B. Hardham 1961-6-19 7841 Modoc Willow Creek. Warner Mountains. 1524 Comment
  RSA186209  Mimulus nanus var. nanus Clare B. Hardham 1961-6-19 7841 Modoc Willow Creek, Warner Mountains. 1524 Comment
  UC726426  Mimulus nanus var. nanus A. A. Heller 1941-6-24 16195 Modoc just s Indian Springs (along U. S. Highway #299) Comment
  RSA59802  Mimulus nanus var. nanus N. N. Thompson 1950-5-17 14734 Modoc SW of Double Head, 7.5 mi. from Hwy 139. (S of Clear Lake Bird Refuge). 1463 Comment
  RSA78966  Mimulus nanus var. nanus E. K. Balls, Percy C. Everett 1952-10-11 18163 Modoc 4.9 mi. w. from turn off of Hwy 139 on road to Pumice Pits, e. edge of Glass Flow. 1280 Comment
  UC726427  Mimulus nanus var. nanus A. A. Heller 1941-6-25 16196 Modoc a short distance e U. S. Highway #395 (on the Cedarville road) Comment
  UC1736251  Mimulus pygmaeus Dean W. Taylor 1987-6-6 9016 Modoc southeast margin Egg Lake, along the outlet stream 1280 Comment
  CHSC111985  Mimulus tilingii B. Castro; L. P. Janeway 2008-8-17 1748 Modoc Warner Mountains. North slope of Bald Mountain; mid-slope not far above last row of trees. 2316 Comment
  UC26856  Mimulus tricolor M. S. Baker and Frank Nutting 1894-6-8 Modoc Egg Lake Comment
  POM319368  Mimulus tricolor Patricia Wilder 1971-6-20 5062 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
  RSA594829  Minuartia douglasii Bruce Bartholomew 1993-6-12 6585 Modoc Road to Day Rock from Little Hot Spring Valley. 1250 Comment
  CAS-BOT-BC225805  Mitella pentandra Bruce Bartholomew; Barrett Anderson 1990-7-20 5500 Modoc Tamarack Flat, E side of Warner Mts. 2150 Comment
  RSA531366  Mitella pentandra Bruce Bartholomew, B. Anderson 1990-7-20 5500 Modoc Tamarack Flat, E side of Warner Mts. 2150 Comment
  SFV18058  Monardella odoratissima J. A. Matos, D. C. Rudolph 1999-8-7 s. n. Modoc 1 mile east of Siskiyou county line along Lava Beds National Monumemt Road. 1310 Comment
  UC2035895  Monardella odoratissima subsp. glauca Alice Eastwood, John Thomas Howell 1940-6-13 8175 Modoc East side of Cedar Pass Comment
  CAS-BOT-BC179854  Monardella odoratissima subsp. glauca Clare Butterworth Hardham 1972-7-14 18656 Modoc Warner Mountains. 2590 Comment
  CAS-BOT-BC179857  Monardella odoratissima subsp. glauca Leland S. Smith 1918-8-18 1046 Modoc Ridge above Emerson. Eagle and Bear. 2438 Comment
  CAS-BOT-BC222000  Monardella odoratissima subsp. glauca Clare B. Hardham 1975-8-1 20585 Modoc Rimrock west of Lake City 2438 Comment
  CAS-BOT-BC179358  Monardella odoratissima subsp. pallida Belknap C. Goldsmith 1912-7-1 58 Modoc Little Hot Spring Valley. 1219 Comment
  CAS-BOT-BC179359  Monardella odoratissima subsp. pallida Bruce Bartholomew 1990-8-5 5666 Modoc Summit Trail, ca. 3 km N of Patterson Ranger Station, W side of Warner Mts. 2440 Comment
  CAS-BOT-BC179364  Monardella odoratissima subsp. pallida Bruce Bartholomew; Barrett Anderson 1988-7-21 4419 Modoc S end of Whitehorse Flat Reservoir. 1340 Comment
  CAS-BOT-BC95543  Monolepis nuttalliana Bruce Bartholomew 1991-6-21 5812 Modoc 4 km S of Forest Service road 73 on road to Rim Rock Valley. 1570 Comment
  SD61020  Monolepis nuttalliana Darley F. Howe 1964-7-31 3903 Modoc 10.2 miles from entrance to Modoc National Forest on road east of Likely, Warner Mountains. 1830 Comment
  CAS-BOT-BC197480  Montia chamissoi Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-13 16454 Modoc Southern outskirts of Fort Bidwell. Comment
  CAS-BOT-BC197519  Montia chamissoi Roxana Stinchfield Ferris; R. Duthie 1919-6-13 25 Modoc Parker Creek near Nat. Forest Boundary. Comment
  JEPS43253  Montia chamissoi Milo S. Baker 1893-7-1 Modoc 1371 Comment
  SEINET5336613  Montia chamissoi M. J. Williams 1984-6-30 84- 79 -1 Modoc 5.7 mi W of Alturas on Granger Canyon road. 1859 Comment
  JEPS118264  Montia dichotoma Lowell Ahart, John Dittes 2011-6-22 17551 Modoc On the west side of the road, about 50 yards north of the Pilot Butte Parking Lot, north edge of Ash Creek Floodplain, 1.1 miles (air) south of County Road 87, 7.7 miles (air) west of Aden [Adin], 10 miles (air) east of Lookout, Big Valley 1264 Comment
  CAS-BOT-BC197508  Montia fontana Bruce Bartholomew 1992-5-16 6331 Modoc S end of Sweagert Flat. 1840 Comment
  CAS-BOT-BC197509  Montia fontana Alice Eastwood; John Thomas Howell 1940-6-13 8194 Modoc W side of Cedar Pass. Comment
  RSA60363  Montia linearis E. K. Balls 1950-5-10 15957 Modoc Hwy 395, 0.5 mile before jct, 5.5 miles NE of Alturas. 1524 Comment
  CAS-BOT-BC247568  Muhlenbergia asperifolia Leland S. Smith 1917-8-19 152 Modoc Fort Bidwell. 1371 Comment
  CAS-BOT-BC247569  Muhlenbergia asperifolia Herbert Louis Mason 1947-8-15 13542 Modoc Mouth of Crane Creek on Willow Ranch. Comment
  SEINET1909952  Muhlenbergia richardsonis Barbara Ertter 1988-1 1988 Modoc Modoc Co.: W side Hwy 139 just S of where it crosses railroad at jct to clear Lake, NE of Dry Lake E of Lava Beds Nat'l Monument. 1250 Comment
  RSA496334  Myosotis scorpioides Elaine Joyal, D. Mehlman 1988-6-28 1288 Modoc N. Warner Mts., Pine Creek e. of New Pine Creek, Oregon. Comment
  CAS-BOT-BC217294  Myosurus minimus Bruce Bartholomew 1993-6-14 6675 Modoc Open moist flat SW of Stovepipe Flat Tank just N of road between Deer Hill and Duncan Reservoir. 1530 Comment
  CAS-BOT-BC217297  Myosurus minimus Bruce Bartholomew; Barrett Anderson 1989-4-28 4654 Modoc 11 km N of State Highway 299 and ca. 1 km S of Raker & Thomas Reservoir. 1500 Comment
  CDA37314  Myriophyllum sibiricum B. Villegas 2008-7-24 s.n. Modoc Alturas; Modoc National Wildlife Refuge; Dorris Canal. 0 Comment
  RSA604414  Myriophyllum sibiricum Louis C. Wheeler 1935-10-6 4029 Modoc North Fork Pit River at Tom Creek 1433 Comment
  RSA0043153  Nama densa var. parviflora Mrs. R. M. Austin 1895-08 84 Modoc Alturas Comment
  CAS-BOT-BC198021  Navarretia breweri Francis Marion Ownbey; Frederick Gustav Meyer 1940-7-1 2146 Modoc W slope of Cedar Pass. Comment
  CHSC67119  Navarretia breweri James D. Jokerst 1987-6-24 2936 Modoc NE of Doublehead Mtn. along the edges of road to Red Lake. Comment
  UC190591  Navarretia breweri M. F. Gilman 516 Modoc 1981 Comment
  CAS-BOT-BC198003  Navarretia divaricata subsp. vividior Alice Eastwood; John Thomas Howell 1940-6-15 8288 Modoc 9 mi. N of Lookout. Comment
  CAS-BOT-BC197992  Navarretia intertexta subsp. intertexta Clare Butterworth Hardham 1974-8-6 20173 Modoc Cedar Pass, Warner Mts. 1935 Comment
  UC23657  Navarretia intertexta subsp. intertexta Milo S. Baker 1893-7-8 Modoc Comment
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May 31 2009
  CAS-BOT-BC197975  Navarretia intertexta subsp. propinqua Roxana Stinchfield Ferris; L. Lorraine 1941-8-14 10604 Modoc 8.5 mi. from Patterson Ranger Station on Eagleville road, Warner Mts. Comment
  CAS-BOT-BC197986  Navarretia intertexta subsp. propinqua K. Paulson; Robert Paulson 1988-6-19 38 Modoc W of Cranby Bridge. 1310 Comment
  POM98593  Navarretia intertexta subsp. propinqua F. W. Peirson 1926-6-25 6868 Modoc Cedarville Road, Warner Mountains. Comment
  SJSU9551  Navarretia leptalea W. Savage 1979-7-3 1285 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  POM260725  Navarretia sinistra Alice Eastwood, J. T. Howell 1940-6-14 8216 Modoc 8 miles NW of Canby Comment
  UC23426  Navarretia sinistra Mrs. R. M. Austin June, 1894 Modoc Willow Creek Valley Comment
  RSA148666  Navarretia sinistra Clare B. Hardham 1961-6-21 7900 Modoc Warner Mountains: Lakeview-Plush Road. 1829 Comment
  SEINET10464817  Nemacladus capillaris Bruce M. Bartholomew 1988-6-25 Bartholomew 4399 Modoc Ryan Canyon, north of Adin. T39N R19E Sec 5 Adin 15 Quad 1390 Comment
  HSC81075  Nemophila breviflora G. M. Riegel 1979-6-30 506 Modoc S Warner Mtns. 2100 Comment
  POM248920  Nemophila breviflora Lincoln Constance 1938-6-12 2332 Modoc Edge of Thombs Creek at foot of Bonner Grade, Cedar Pass Road, 13.4 miles NE of Alturas, western foothills of the Warner Range 1524 Comment
  CAS-BOT-BC179301  Nemophila parviflora var. austiniae Annie Montague Alexander; L. Kellogg 1946-6-14 4745 Modoc Barber Creek, Patterson Mill Road. 1798 Comment
  CAS-BOT-BC179288  Nemophila pedunculata Bruce Bartholomew; M; M. Gilbert; L. E. Skog 1993-5-10 6428 Modoc 5 km NE of Davis Creek on road to Plum Valley Campground. 1700 Comment
  CAS-BOT-BC179289  Nemophila pedunculata Bruce Bartholomew; Barrett Anderson 1988-5-12 4095 Modoc White Horse. 1340 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
  UC86616  Nestotus stenophyllus Mrs. R. M. Austin May, 1894 31 Modoc Goose Lake Valley Comment
  CAS-BOT-BC245372  Nicotiana attenuata Alice Eastwood; John Thomas Howell 1940-6-13 8170 Modoc Cedarville. Comment
  CHSC106332  Nicotiana attenuata Lowell Ahart; John Dittes 2010-8-30 17081 Modoc Parking Area west of the old barn, on the west side of Elkins Lane, Ash Creek State Wildlife area, 320 feet north of Lassen County Line, about 4.4 miles (air) west of Adin, about 7.2 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  SEINET230068 Image available Nuphar lutea subsp. polysepala Leila M. Shultz, John S. Shultz 1985-1 8600 Modoc South fork of the Pit River, at crossing 14 mi N. of Likely 1372 Comment
  CAS-BOT-BC190811  Oenothera deltoides subsp. piperi Margaret J. Williams; Arnold Tiehm; Jan Nachlinger 1988-6-2 88- 27 -5 Modoc Hwy 0.4 mi E of Susanville road after turn to Alturas. Comment
  POM126858  Oenothera deltoides subsp. piperi P. A. Munz 1929-03 1916 Modoc Cedarville & Lake City Comment
Read comments
Jan 23 2011
  CDA38149  Oenothera elata Briles 1936-7-2 s.n. Modoc [No further data] 0 Comment
  RSA59364  Olsynium douglasii E. K. Balls 1950-5-11 14629 Modoc 8.1 miles NE of Fort Bidwell. Above Cow Head Lake. Along 8 Mile Creek. 1463 Comment
  UC4247  Olsynium douglasii var. douglasii Mrs. R. M. Austin 1894-5-1 Modoc Lake City Pass Comment
  CDA36035  Onopordum acanthium C. Pirosko Jul 2003 s.n. Modoc 0 Comment
  CHSC99948  Onopordum acanthium Lowell Ahart; John Dittes 2008-8-25 15275 Modoc On the west bank (flood plane) of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout. 1273 Comment
  UCD134665  Onopordum acanthium T. C. Fuller 1959-7-8 2795 Modoc south side of 4th Street, east of East Street, Alturas. Comment
  CAS-BOT-BC49375  Onopordum acanthium subsp. acanthium Thomas C. Fuller 1959-7-8 2795 Modoc Alturas. Comment
  HSC81024  Oreostemma alpigenum var. andersonii G. M. Riegel 1980-8-21 1091 Modoc South Warner Mtns. Comment
  JEPS5978  Oreostemma alpigenum var. andersonii Frances D. Payne 1929-7-26 Modoc Warner Peak Warner Mountains Comment
  CAS-BOT-BC190798  Orobanche corymbosa Bruce Bartholomew 1994-7-1 6745 Modoc 7.6 km NW of County Road 91 between Lookout and Lookout Jct. on County road 93. 1280 Comment
  CAS-BOT-BC190799  Orobanche corymbosa Bruce Bartholomew 1995-9-3 7188 Modoc Steep sagebrush covered slope NW of North Emerson Lake, E side of Warner Mountains. 2470 Comment
  JEPS86073  Orobanche corymbosa subsp. corymbosa Wayne Roderick 1966-7-23 s.n. Modoc Warner Mountains, ca 2 miles N of Cedar Pass. Comment
  HSC80905  Orobanche fasciculata G. M. Riegel 1980-6-30 780 Modoc S Warner Mtns. 1829 Comment
  UC27874  Orobanche fasciculata M. S. Baker and Frank Nutting 1894-6-29 Modoc Big Valley near Lookout. 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
  JEPS5998  Orobanche uniflora subsp. occidentalis Frances D. Payne 1932-6-10 422 Modoc Parker Creek, Warner Mountains, south and east of Alturas. Comment
  NY762091  Orthilia secunda B. M. Bartholomew 1988-7-23 4574 Modoc Dismal Swamp, Warner Mountains. Fort Bidwell 15' Quad. 2180 Comment
  CAS-BOT-BC248312  Orthocarpus cuspidatus B. Bartholomew; H. Sun 2002-6-24 8852 Modoc E of Bald Mt., on the E side of the Warner Mountains 2130 Comment
  CAS-BOT-BC232176  Orthocarpus cuspidatus subsp. copelandii Roxana Stinchfield Ferris; L. Lorraine 1941-8-14 10590 Modoc 3 mi. from Patterson Ranger Station on road to Eagleville. Comment
  RSA504646  Orthocarpus hispidus Bruce Bartholomew, B. Anderson 1988-6-23 4238 Modoc 2.1 km SSE of Day on the road to State Highway 299. 1020 Comment
  JEPS4306  Orthocarpus luteus W. L. Jepson 1918-8-10 7933 Modoc Alturas 1371 Comment
  UC748466  Osmorhiza berteroi Annie M. Alexander and Louise Kellogg 1946-7-12 4981 Modoc Twelve Mile Creek; ne corner of county Comment
  CAS-BOT-BC15736  Osmorhiza chilensis Bruce Bartholomew; Barrett Anderson 1988-7-22 4494 Modoc Vicinity of East Creak Trailhead, southern end of the Warner Mts. 2210 Comment
  NY1101853  Osmorhiza occidentalis J. T. Howell 1934-6-11 11948 Modoc Parker Creek, Warner Mountains 1585 Comment
  RSA82806  Osmorhiza occidentalis Mrs. R. M. Austin, Bruce 1898-06 2263 Modoc Lake City Mt. Comment
  CAS-BOT-BC211325  Oxyria digyna Elmer Ivan Applegate 1932-8-3 8137 Modoc W slope of Eagle Peak, Warner Mts. Comment
  UC1567363  Oxyria digyna G. Schoolcraft 1989-7-16 1951 Modoc s Patterson Lake; Warner Mtns., s of Patterson Lake 2804 Comment
  SJSU5425  Packera cana J. W. Tilden 1958-6-26 1269 Modoc near Monument Hdqtrs, Lava Beds National Monument Comment
  UC201706  Packera eurycephala W. P. Taylor and H. C. Bryant 1910-6-25 Modoc Parker Creek Warner Mountains 1676 Comment
  CAS-BOT-BC50316  Packera eurycephala var. eurycephala Francis Dorris Payne 1932-6-22 581 Modoc Parker Creek. 1584 Comment
  CAS-BOT-BC50321  Packera eurycephala var. eurycephala Christopher Davidson 1975-6-4 2592 Modoc 0.4 mi. E of Hwy 395 on Hwy 299 towards Cedarville. 1379 Comment
  CHSC70718  Packera pseudaurea var. pseudaurea A. Sanger 1997-6-11 2567 Modoc Tri-tip meadow to the west of road where it runs north to south, at old beaver dam site. 1511 Comment
  CAS-BOT-BC190770  Paeonia brownii William Albert Weber 1953-5-14 8372 Modoc W end of Jess Valley, 10 mi. E of Likely. 1432 Comment
  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
  RSA59974  Paeonia brownii E. K. Balls 1950-5-13 14674 Modoc West of Goose Lake, 0.2 mile S of Oregon-California state line 1463 Comment
  UC1004188  Paeonia brownii W. A. Weber 1953-5-14 8372 Modoc 10 mi e Likely (w end of valley); Jess Valley 1432 Comment
  JEPS60654  Paeonia brownii Milo S. Baker 1893-6-1 Modoc Comment
  UC1237946  Paeonia brownii John Weiler and A. P. Nelson May 26 1961-May 29 1961 61221 Modoc Cedar Pass Warner Mountains (steep slopes above hwy) Comment
  CHSC100435  Panicum capillare Lowell Ahart; John Dittes 2008-8-25 15324 Modoc On the west bank of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout. 1273 Comment
  CAS-BOT-BC232311  Pedicularis attollens Roxana Stinchfield Ferris; R. Duthie 1919-6-14 146 Modoc Parker Creek at Modoc Nat. Forest Boundary. Comment
  HSC80739  Pedicularis attollens G. M. Riegel 1980-8-9 1002 Modoc S Warner Mtns. 1670 Comment
  UC27296  Pedicularis attollens Mrs. R. M. Austin Aug. 1894 Modoc Davis Creek Comment
  HSC20915  Pedicularis attollens M. T. Milligan 1966-6-19 474 Modoc N end of Jess Valley 1616 Comment
  UC27300  Pedicularis attollens Milo S. Baker 1893-7-30 Modoc Comment
  CAS-BOT-BC248360  Pedicularis semibarbata B. Bartholomew; H. Sun 2002-6-24 8843 Modoc E of Bald Mt., on the E side of the Warner Mountains 2170 Comment
  UC748174  Pedicularis semibarbata Annie M. Alexander and Louise Kellogg 1946-7-17 5006 Modoc Benton Meadow; Warner Mountains 2072 Comment
  UC103244  Pedicularis semibarbata Mrs. R. M. Austin 1894-1 147 Modoc Lassen Creek Comment
  JEPS123496  Penstemon deustus Wilson Collison, Jaileen Merced 2015-7-25 CA 320 -140 Modoc To Road 54 SW from Alturas town, take dirt road on the left before Canyon (4783). Keep straight 4 mi up to dry pit. Comment
  RSA0026212  Penstemon deustus John F. Emmel 1997-6-9 1500 Modoc Eastern foothills of Warner Mts., NE of Fort Bidwell; along County Road 1, 12.5 road miles NE of junction with County Road 6, north of Cow Head Lake, 0.4 air mile NE of BM 5240. 1598 Comment
  RSA165591  Penstemon deustus subsp. heterander Clare B. Hardham 1961-6-19 7850 Modoc Davis Creek. Comment
  CAS-BOT-BC232333  Penstemon deustus var. pedicellatus Bruce Bartholomew; Barrett Anderson 1989-6-3 4858 Modoc Crowder Flat Road at Fletcher Creek. 1550 Comment
  JEPS11228  Penstemon deustus var. pedicellatus Milo S. Baker 1893-7-24 25 Modoc near, sw Forestdale (Lava Beds); near Forestdale, sw, Lava Beds Comment
  CAS-BOT-BC245530  Penstemon gracilentus Louis Cutter Wheeler 1935-8-8 3812 Modoc North Fork Bidwell Creek, Warner Mountains 2286 Comment
  CAS-BOT-BC245542  Penstemon gracilentus John Thomas Howell 1934-6-14 12176 Modoc Patterson Mill Road, Warner Mountains 2133 Comment
  JEPS109977  Penstemon heterodoxus var. shastensis Dean W. Taylor 2007-5-16 20115 Modoc Egg Lake, near western portion of the lake at Duck Hole (site is ca. 11 air miles NNW of Lookout) 1310 Comment
  CAS-BOT-BC497202  Penstemon heterophyllus John H. Hatton 1911-6-15 106 Modoc Modoc Forest, near Happy Camp 1463 Comment
  NY604217  Penstemon janishiae M. J. Williams 1988-5-28 8824- 2 Modoc Grade up to Crowder Flat from Highway 229, west of Alturas. 1478.3 Comment
  SEINET5328793 Image available Penstemon janishiae M. J. Williams, T. Holcom, B. Holcom; L. Saxton 1988-5-28 88- 24 -2 Modoc Grade up to Crowder Flat from Hwy 299, W of Alturas. Top of steep bank by road 1478 Comment
  CAS-BOT-BC245515  Penstemon laetus var. sagittatus Milo Samuel Baker 1936-6-14 8317 Modoc Quarantine Station, on Hwy from Marlin to Canby. Comment
  CAS-BOT-BC232501  Penstemon roezlii Mrs. H. C. Cantelow 1940-6-1 4471 Modoc Cedar Pass. 1935 Comment
  CAS-BOT-BC232523  Penstemon roezlii Barrett Anderson 1986-7-10 3203 Modoc West Warner Rd just S of the N Fork of Fitzhugh Creek. 1980 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-BC245569  Penstemon roezlii K. Paulson; Robert Paulson 1988-6-11 20 Modoc Barnes Graden, Crowser Flat Rd to Devil's Garden. 1432 Comment
  HSC21011  Penstemon roezlii M. T. Milligan 1964-6-6 14 Modoc N side of Dorris Reservoir along shore 1372 Comment
  NY650093  Penstemon roezlii N. H. Holmgren 1978-6-8 8882 Modoc Top of mesa, 7.3 km (4.5 miles) airline distance west of Alturas on Crowder Flat road. 1460 Comment
  NY650112  Penstemon roezlii F. W. Pennell 1940-6-7 25278 Modoc Route 299, 4 miles northeast of Adin 1341.1 Comment
  POM260431  Penstemon roezlii C. Leo Hitchcock 1940-5-27 6651 Modoc 9 miles northeast of Alturas. 1402 Comment
  NY650110  Penstemon roezlii B. M. Bartholomew 1988-6-23 4246 Modoc 4.2 km northwest of Day. Fall River Mills 15' Quad. 1020 Comment
  SEINET3357563 Image available Penstemon roezlii Margaret J. Williams 1984-6-28 84- 68 -1 Modoc Warner Mountains. Stowe Reservoir area, W of Soldier Creek Road. 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
  UC725543  Penstemon roezlii A. A. Heller 1941-6-26 16225 Modoc on State Hwy 299 seven mi w Canby; w of Canby Comment
  UC727339  Penstemon roezlii Elmer I. Applegate 1929-6-24 5886 Modoc along Pitt River above Adin; along Pitt River Comment
  CAS-BOT-BC245496  Penstemon rydbergii var. oreocharis K. Paulson; Robert Paulson 1990-7-2 210 Modoc Dismal Swamp, Warner Mts. Comment
  CAS-BOT-BC245554  Penstemon speciosus Bruce Bartholomew 1990-6-18 5362 Modoc S side of Goose Lake, ca. 5 km SSE of McGinty Point. 1400 Comment
  HSC80745  Penstemon speciosus G. M. Riegel 1980-8-20 1087 Modoc S Warner Mtns. Comment
  SBBG26833  Penstemon speciosus C. L. Hitchcock 1940-5-27 6666 Modoc 15 mi NE of Alturas 1615 Comment
  UC27442  Penstemon speciosus Mrs. R. M. Austin and Bruce July 1898 2359 Modoc Lake shore Comment
  SEINET12319640  Penstemon speciosus N. H. Holmgren, Holmgren, P. K. 1978-1 8879 Modoc US hwy 395, 9.5 km N of Davis Creek 1490 Comment
  CHSC67700  Peraphyllum ramosissimum James D. Jokerst 1983-5-31 1815 Modoc Near Hwy. 395 S of Alturas at the base of the upper ramparts of the butte just S of Signal Butte. 1341 Comment
  CAS-BOT-BC498669  Peraphyllum ramosissimum K. Paulson; R. Paulson 1991-5-26 223 Modoc Along Hwy 395, ca 3 mi S of Alturas 1338 Comment
  SBBG2991  Peraphyllum ramosissimum H. and M. Dearing 1939-6-7 3587 Modoc W of Alturas 1310 Comment
  CAS-BOT-BC15705  Perideridia bolanderi subsp. bolanderi Margaret J. Williams 1984-7-1 84- 86 -1 Modoc 3.1 mi. N of Hwy 299 on Crowder Flat Road. 1341 Comment
  CAS-BOT-BC15716  Perideridia oregana Alice Eastwood; John Thomas Howell 1940-6-15 8295 Modoc 9 mi. N of Lookout. Comment
  UC726878  Perideridia oregana A. A. Heller 1941-6-25 16208 Modoc plateau s Big Sage Reservoir (nw of Alturas) Comment
  CAS-BOT-BC95154  Peritoma platycarpa Edward Kent Balls; Percy C. Everett 1952-10-10 18146 Modoc 2.4 mi E of Likely along road to Jess Valley. 1402 Comment
  HSC3886  Peritoma platycarpa M. T. Milligan 1964-6-20 65 Modoc 4 mi. N on Pencil Rd. from Hwy. 395 1372 Comment
  JEPS1607  Phacelia adenophora J. G. Lemmon June, 1879 Modoc Surprise Valley and Pyramid Lake Comment
Read comments
May 4 2015
  SJSU11217  Phacelia hastata J. W. Tilden 1958-6-25 1266 Modoc near Monument Hdqtrs, Lava Beds National Monument Comment
  CAS-BOT-BC179261  Phacelia hastata subsp. hastata Bruce Bartholomew; Barrett Anderson 1988-6-23 4267 Modoc 1.8 km WSW of Day on County Road 94. 1170 Comment
  CAS-BOT-BC248338  Phacelia hastata subsp. hastata B. Bartholomew; H. Sun 2002-6-24 8812 Modoc Ridge top just S of Manzanita Mt. and 15.3 straight line km NW of Aden 2070 Comment
  CAS-BOT-BC179255  Phacelia hastata subsp. hastata Clarence Roy Quick 1934-7-24 1353 Modoc 2-3 1/2 im NE of Patterson Ranger Station. 2438 Comment
  CAS-BOT-BC180006  Phacelia heterophylla subsp. virgata Annie Montague Alexander; L. Kellogg 1946-6-28 4862 Modoc Pine Creek Canyon. 1615 Comment
  CDA13457  Phacelia heterophylla subsp. virgata G. F. Hrusa, T. D. Wilfred 1996-7-21 13304 Modoc Modoc Plateau; adjacent to Modoc Co. Rd. 90 bridge over Pit River. E base of Splawn Mtn. N end of Big Valley. Comment
  SJSU9627  Phacelia heterophylla subsp. virgata W. Savage 1979-7-7 1441 Modoc Triangle, Fairchild Swamp Unit, Devils Garden District, Modoc National Forest 1499 Comment
  CDA40416  Phacelia heterophylla subsp. virgata Alice Eastwood & John Thomas Howell 1940-6-13 8119 Modoc Suprise. 0 Comment
  UC24489  Phacelia heterophylla subsp. virgata Geo. H. Boke 1890-1 Modoc Comment
  UC671870  Phacelia humilis John Thomas Howell 1934-6-13 12062 Modoc Fandango Pass Warner Mts. 1828 Comment
  CAS-BOT-BC179974  Phacelia humilis var. humilis Roxana Stinchfield Ferris; R. Duthie 1919-6-13 126 Modoc Parker Creek. 2133 Comment
  CAS-BOT-BC179977  Phacelia humilis var. humilis Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16406 Modoc Cedar Pass Campground, 3 mi. E of Thoms Creek Bridge. Comment
  CAS-BOT-BC179993  Phacelia humilis var. humilis K. Paulson; Robert Paulson 1989-6-28 152 Modoc Vicinity of Granger Creek, E side of the Warner Mts. 1905 Comment
  RSA42004  Phacelia humilis var. humilis H. C. Cantelow 1940-6-1 3230 Modoc Cedar Pass Summit, Warner Mountains. Comment
  CAS-BOT-BC179966  Phacelia inundata Milo Samuel Baker 1936-6-14 8307 Modoc Marlin to Canby several mi N of Quarantine Station. Comment
  CHSC67114  Phacelia inundata James D. Jokerst 1987-5-13 2859 Modoc Radar Survey Site S of Doublehead Mtn., S of Clear Lake Reservoir, dry lake W and adjacent to N end of central sector. 1353 Comment
  CAS-BOT-BC179952  Phacelia linearis Fred D. Douthitt 20 Modoc Juniper Flats near Flournoy Swale. 1524 Comment
  POM127626  Phacelia linearis Milo S. Baker 1887-1 s.n. Modoc Forestdale Comment
  SEINET3158188  Phacelia linearis M. S. Baker 1899-1 sn Modoc Forestdale Comment
  UC1562693  Phacelia linearis Barbara Ertter 1988-6-18 7621 Modoc Hwy 139 1 mi s S jct to Lava Beds Nat'l Monument (a few mi n of Agric. Inspection Station, ca 50 air mi sw of Klamath Falls, e of Tonesta) 1310 Comment
  RSA531358  Phacelia linearis Bruce Bartholomew, B. Anderson 1989-6-1 4736 Modoc Ca. 0.5 km S of State Hwy 299 on road to Shaker Spring. 1420 Comment
  UC881174  Phacelia linearis Lewis S. Rose 1940-6-14 40584 Modoc 5 mi w Perez; Mammaoth Cave 1280 Comment
  UCD35722  Phacelia linearis Beecher Crampton 1960-6-17 5680 Modoc 8 miles north of Perez, west of the southern portion of Clear Lake Reserv., Saddleblanket Flat. 1371 Comment
  CAS-BOT-BC179944  Phacelia mutabilis Annie Montague Alexander; L. Kellogg 1946-6-12 4735 Modoc Fandango Pass road. 1676 Comment
  UC735084  Phacelia mutabilis Lincoln Constance 1946-7-4 3105 Modoc 3.4 mi below summit; Warner Mountains, Deep Creek 1828 Comment
  RSA134035  Phacelia mutabilis L. R. Heckard 1952-6-19 312 -a Modoc Just below summit of Fandango Pass, Warner Mountains, southwest of Fort Bidwell. 1829 Comment
  RSA582231  Phacelia mutabilis Louis C. Wheeler 1935-8-10 3824 Modoc Lily Lake, Pine Creek, Warner Mountains. 2134 Comment
  CAS-BOT-BC179931  Phacelia ramosissima var. eremophila Bruce Bartholomew; Barrett Anderson 1990-7-20 5486 Modoc 10.3 km N of Buck Creek Ranger Station, crest of Warner Mountains W side of Warner Mts. 2130 Comment
  UC748439  Phacelia ramosissima var. ramosissima Annie M. Alexander and Louise Kellogg 1946-7-7 4943 Modoc ne corner of county Eight Mile Creek 1752 Comment
  UC748445  Phacelia ramosissima var. ramosissima Annie M. Alexander and Louise Kellogg 1946-6-18 4807 Modoc at base of lava bluff facing Lower Lake Comment
  CAS-BOT-BC179913  Phacelia thermalis Amos Arthur Heller 1941-6-26 16220 Modoc 3 mi. W of Canby on Hwy 299. Comment
  UC764435  Phacelia thermalis Herbert L. Mason 1947-8-9 13481 Modoc Porcupine Valley, on road to Antelope Reservoir Comment
  UC107435  Phacelia thermalis Mrs. R. M. Austin June, 1888 Modoc Hot Springs below Alturas Comment
  CAS-BOT-BC247554  Phalaris angusta Bruce Bartholomew; Barrett Anderson 1990-7-20 5470 Modoc 5 km N of Buck Creek Ranger Station, W W side of Warner Mts. 1900 Comment
  SEINET4691133  Phalaris arundinacea S. C. Swift 1937-6-23 12 Modoc Alturas, grazing district # 2 1280 Comment
  HSC10587  Phleum alpinum M. T. Milligan 1964-7-25 175 Modoc Pine Creek Basin, along trail. 2439 Comment
  SEINET4889051  Phleum alpinum D. A. Charlet 1989-8-14 482 Modoc Warner Mountains, 1.4 km northwest of Eagle Peak, 2550 Comment
  CAS-BOT-BC247595  Phleum pratense Roxana Stinchfield Ferris; R. Duthie 1919-6-14 148 Modoc Parker Creek near Modock National Forest boundary. Comment
  JEPS70607  Phleum pratense W. L. Jepson 1918-8-9 7913 Modoc near Ft. Bidwell; near Ft. Bidwell 1432 Comment
  UC1100414  Phleum pratense Herbert L. Mason and Verne Grant 1947-7-10 13358 Modoc 2 mi e Alturas (1/4 mi w of Dorris Reservoir); w of Dorris Reservoir Comment
  CAS-BOT-BC197945  Phlox diffusa Annie Montague Alexander; L. Kellogg 1946-6-27 4845 Modoc Highgrade, top of ridge, 2 mi. by road from Dismal Swamp. 2377 Comment
  CAS-BOT-BC197953  Phlox diffusa E. S. Willits 1940-4-16 175 Modoc Sugar Hill. Comment
  HSC75902  Phlox diffusa D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-22 19312 Modoc Soup Springs Campground Comment
  UC449711  Phlox diffusa Mrs. R. M. Austin 125 Modoc New Pine Creek Comment
  JEPS2796 Image available Phlox douglasii Mrs. C. C. Bruce 1898-7-1 2331 Modoc head Davis Creek; ; Head of Davis Creek, Modoc Co. Comment
  CAS-BOT-BC197928  Phlox douglasii subsp. rigida Bruce Bartholomew; Barrett Anderson 1988-5-12 4128 Modoc Ca. 13 km NNE of Adin on State Highway 229 at turnoff to Higgins Flat on USFS road 41N11. 1440 Comment
  CAS-BOT-BC197929  Phlox douglasii subsp. rigida Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16392 Modoc 5 mi. E of Hwy 299 along Cedar Pass road. Comment
  JEPS3969  Phlox douglasii subsp. rigida N. T. Mirov 1929-5-30 Modoc e of Goose Lake (w of Fandango Valley); Warner Mountains, Buck Creek 1584 Comment
  UC23596  Phlox gracilis Mrs. R. M. Austin Apr 1894 Modoc Goose Lake Valley Comment
  UC748265  Phlox gracilis Annie M. Alexander and Louise Kellogg 1946-7-3 4900 Modoc 7 mi w Fort Bidwell; Bidwell Creek Canyon Comment
  CDA38650  Phlox hoodii subsp. canescens J. R. Keck Jr., Wright 1991-5-3 PDR# 725210 Modoc Tionesta; Modoc National Forest. Comment
  HSC68923  Phlox hoodii subsp. canescens Gary Schoolcraft 1980-4-17 207 Modoc W of Wade Williams Spring, S of Alturas. 1463 Comment
  RSA469949  Phlox longifolia subsp. brevifolia J. P. Smith, J. O. Sawyer 1972-5-6 5269 Modoc Along State Route 299; 4 miles west of Modoc Co. Road 58 east of Alturas. 1494 Comment
  RSA27670  Phlox rigida C. L. Hitchcock 1940-5-28 6730 Modoc 15 miles north of Alturas, (near Surprise). 1402 Comment
  CAS-BOT-BC197861  Phlox stansburyi Bruce Bartholomew 1991-5-24 5705 Modoc Surprise Valley, E of Eagleville at the Nevada State boundary. 1520 Comment
  CAS-BOT-BC197873  Phlox stansburyi Bruce Bartholomew 1991-5-25 5744 Modoc McGinty Point, SW side of Goose Lake. 1470 Comment
  UC190622  Phlox stansburyi M. F. Gilman 668 Modoc 1676 Comment
  CHSC118070  Phlox stansburyi var. brevifolia L. P. Janeway 2016-5-17 12008 Modoc Modoc Plateau. Devils Garden area; flat just below (west of) Por-cupine Rim; 0.3 km north of Road 43N18; 4.0 air-km west of Big Sage Reservoir. 1544 Comment
  HSC6881  Phoenicaulis cheiranthoides M. T. Milligan 1966-5-4 620 Modoc Plateau W of Jess Valley 1829 Comment
  HSC95692  Phoenicaulis cheiranthoides Juha Pykala, D. H. Norris 1987-5-27 1120 Modoc Modoc National Forest, 4 mi. from Hwy. 299, Crowder Flat Rd. 1518 Comment
  JEPS15392  Phoenicaulis cheiranthoides Franklin P. Nutting 1892-8-15 Modoc Forestdale Comment
  OBI48064  Phoenicaulis cheiranthoides Rhonda Riggins 1989-4-28 1660 Modoc Pencil Rd. 4.1 m N of Hwy 395 E of Alturas. 1402 Comment
  RSA520350  Phoenicaulis cheiranthoides K. Paulson, R. Paulson 1989-4-16 98 Modoc Crowder Flat Road, Devil s Garden. Comment
  UCD116138  Phoenicaulis cheiranthoides Alan A. Beetle 1941-6-29 2831 Modoc Near summit of Cedarville Pass. 2118 Comment
  CDA19728  Phoenicaulis cheiranthoides unknown Modoc Modoc Plateau; Boles Creek Slab. 0 Comment
  HSC6879  Phoenicaulis cheiranthoides M. T. Milligan 1964-4-25 Modoc 1 mi. up Barns Grade Rd. at stock pens Comment
  CAS-BOT-BC134911  Phoradendron bolleanum Paul F. Covel 1939-8-13 1622 Modoc Lava Beds Nat. Mon. at hdqtrs. Comment
  CAS-BOT-BC58639  Physaria occidentalis Leland S. Smith 1917-7-2 67 Modoc Warren Mt. 2685 Comment
  UCR129385  Pilularia americana L. C. Wheeler 1935-9-17 3990 Modoc Everly Reservoir, Devil's Garden 1524 Comment
  CAS-BOT-BC73239  Pinus contorta subsp. murrayana Roxana S. Ferris; Laura Lorraine 1941-8-13 10572 Modoc East Creek about 1 mile east of Patterson Ranger Station, Warner Mountains, Modoc National Forest. Comment
  UC711838  Pinus contorta subsp. murrayana Roxana S. Ferris and Laura Lorraine 1941-8-13 10572 Modoc East Creek about 1 mi e of Patterson Ranger Station (in sagebrush); Warner Moutains, Modoc National Forest, East Creek Comment
  HSC80917  Pinus jeffreyi G. M. Riegel 1979-9-8 767 Modoc S Warner Mtns. 1670 Comment
  CAS-BOT-BC73023  Pinus monticola Marion Ownbey; Fred G. Meyer 1940-7-1 2153 Modoc Near summit of Clear Peak, Warner Mts. Comment
  POM267224  Pinus monticola Marion Ownbey, Fred G. Meyer 1940-7-1 2153 Modoc Near summit of Clear Peak, Warner Mountains. Comment
  UCSB107  Pinus monticola Haller, John 1959-08 Modoc 0.5 miles west of the crest of the Warner Mtns, 3 miles east of Patterson Ranger Station and camp ground on road between Blue lake and Lower Alkali Lake 2286 Comment
  HSC80916  Pinus ponderosa G. M. Riegel 1979-8-23 700 Modoc S Warner Mtns. 1670 Comment
  NY60273  Pinus washoensis B. M. Bartholomew 1994-7-2 6821 Modoc Just north of South Fork of Davis Creek near the crest of the Warner Mountains 2300 Comment
  CAS-BOT-BC248375  Plagiobothrys L. S. Smith 1922-7-7 1260 Modoc Modoc National Forest. High Grade Hill & Dismal Swamp 2316 Comment
  JEPS61015  Plagiobothrys Frances D. Payne 1932-6-5 415 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  UC1191839  Plagiobothrys cognatus Herbert L. Mason and Verne Grant 1947-7-12 13408 Modoc sw of Alturas (w side of the South Fork of Pit River Valley); South Fork of Pit River Valley Comment
  CHSC112757  Plagiobothrys cusickii Lowell Ahart; John Dittes 2013-7-24 18920 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
  UC1191842  Plagiobothrys cusickii Herbert L. Mason and Verne Grant 1947-7-12 13394 Modoc off Highway 395 several mi s Alturas (irrigation ditch by Jones' Lane) Comment
  CHSC112760  Plagiobothrys hispidulus Lowell Ahart; John Dittes 2013-7-24 18921 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-BC58790  Plagiobothrys leptocladus Annie Montague Alexander; L. Kellogg 1946-6-7 4675 Modoc 2 mi. E of Cedarville. 1453 Comment
  CAS-BOT-BC58791  Plagiobothrys leptocladus G. Schoolcraft 1984-6-24 1260 Modoc E of Middle Alkali Lake. 1356 Comment
  UC726225  Plagiobothrys leptocladus A. A. Heller 1941-6-26 16217 Modoc in a roadside depression 3 mi e Canby Comment
  CAS-BOT-BC58799  Plagiobothrys mollis var. mollis John Thomas Howell 1934-6-15 12197 Modoc Dorris Reservoir, 2 mi. E of Alturas. Comment
  CHSC106335  Plagiobothrys mollis var. mollis Lowell Ahart; John Dittes 2010-8-30 17077 Modoc About 25 yards east of the fence, south edge of the meadow, Ash Creek State Wildlife Area, 2300 feet north of Lassen County line, 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  UC71866  Plagiobothrys reticulatus Mrs. M. H. Manning 1903-5 142 Modoc near Fort Bidwell (north-eastern Modoc County) Comment
  GMDRC7868  Plagiobothrys salsus Ron Kelley 2006-6-27 Modoc Surprise Valley: east of Warner Mountains, near Cedarville 1363 Comment
  CAS-BOT-BC58732  Plagiobothrys scouleri Bruce Bartholomew; Barrett Anderson 1988-7-22 4547 Modoc Benton Meadow, Warner Mts.. 2180 Comment
  CAS-BOT-BC58753  Plagiobothrys scouleri Herbert Louis Mason; Verne Grant 1947-7-12 13408 Modoc W side of South Fork of Pit River Valley, SW of Alturas. Comment
  CAS-BOT-BC58764  Plagiobothrys stipitatus var. micranthus Herbert Louis Mason; Verne Grant 1947-7-12 13410 Modoc W side of Pit River Valley, S of Alturas. Comment
  CAS-BOT-BC58767  Plagiobothrys stipitatus var. micranthus Herbert Louis Mason; Verne Grant 1947-7-12 13410 Modoc W side of Pit River Valley, S of Alturas. Comment
  CHSC67090  Plagiobothrys tenellus James D. Jokerst 1987-5-12 2853 Modoc Radar Survey Site S of Doublehead Mtn., N end of central sector, NE of road. Comment
  UC25063  Plagiobothrys tenellus M. S. Baker and Frank Nutting 1894-6-26 Modoc near Lookout; Big Valley Comment
  UC429096  Platanthera Mrs. Austin Jul 1894 127 Modoc Lassen Creek Comment
  CAS-BOT-BC242212  Platanthera dilatata var. leucostachys Barrett Anderson 1986-7-10 3200 Modoc Field redacted by CAS, contact the data manager for more information 1935 Comment
  HSC16615  Platanthera dilatata var. leucostachys M. T. Milligan 1964-7-25 194 Modoc Jess Valley, 400yds W of Mill Creek on Clear Lake Rd. 1677 Comment
  JEPS86307  Platanthera leucostachys Jack and Betty Guggolz 1988-7-5 980 Modoc alongside but not in west branch of Bidwell Creek; North Star Basin Comment
  UC71857  Platanthera leucostachys Mrs. M. H. Manning 1903-8-9 316 Modoc near Fort Bidwell (ne Modoc County) 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
  HSC21683  Plectritis macrocera M. T. Milligan 1964-6-20 52 Modoc 2 mi. N on Pencil Rd. from Hwy. 395 1372 Comment
  JEPS36546  Pleiacanthus spinosus W. L. Jepson 1918-8-6 7832 Modoc Davis Creek Comment
  RSA185318  Poa Clare B. Hardham 1961-6-19 7854 Modoc Paso Robles Comment
  RSA149120  Poa bulbosa I. L. Wiggins, Dorothy Wiggins 1961-6-16 16527 Modoc along highway, 4.6 miles N of Adnin Comment
  CAS-BOT-BC247581  Poa cusickii Bruce Bartholomew 1990-6-18 5371 Modoc 5.5 km N of Hwy 299 on Crowder Flat Rd. 1450 Comment
  SD96114  Poa cusickii Jack L. Reveal 1976-6-2 1839 Modoc Modoc National Forest near Perez 1280 Comment
  CAS-BOT-BC247622  Poa leptocoma Elmer Ivan Applegate 1932-8-2 8084 Modoc Mill Creek Meadows, Warner Mts. Comment
  RSA534588  Poa nervosa Bruce Bartholomew, B. Anderson 1990-7-20 5544 Modoc N edge of Howard Flat, W side of Warner Mts. 2000 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
  SEINET190964 Image available Poa pratensis A. A. Beetle 1941-6-29 2822 Modoc 15 miles east of Alturas road to Cederville Pass. 1372 Comment
  CAS-BOT-BC247618  Poa pratensis subsp. pratensis Bruce Bartholomew 1992-5-15 6289 Modoc Vicinity of Leonard Hot Spring, E side of Surprise Valley. 1370 Comment
  CAS-BOT-BC247619  Poa pratensis subsp. pratensis Bruce Bartholomew; Barrett Anderson 1990-7-19 5424 Modoc Top of Hunters Ridge S of Rush Creek. 1960 Comment
  JEPS120882  Poa pratensis subsp. pratensis Lowell Ahart, John Dittes, Todd Sloat 2013-6-8 18767 Modoc About 300 yards NE of the 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
  SEINET220207 Image available Poa sandbergii Jack L. Reveal 1976-6-2 1840 Modoc Modoc National Forest; Modoc Nat. forest near Perez, 1274 Comment
  RSA488036  Poa secunda Bruce Bartholomew, B. Anderson 1988-5-12 4120 Modoc SE side of Egg Lake, ca. 1 km E of the Burlington Northern Railroad track. 1300 Comment
  UCD90460  Poa secunda L. Whitney 1935-5-19 s.n. Modoc Near Hackamore. Comment
  UCD90463  Poa secunda E. Wilson 1935-5-15 s.n. Modoc 20 miles W of Alturas. Comment
  CDA32641  Poa secunda subsp. juncifolia L. White & H. T. Osborne 1957-6-27 Modoc 1/4 mile west of Cedar Pass, 3 miles west of Cedarville. Comment
  CAS-BOT-BC247665  Poa secunda subsp. secunda Bruce Bartholomew; Mona Bourell 1990-4-26 5165 Modoc Vicinity of Ostrom Point, N side of Pit River, 3.2 km E of W end of Stone Coal Rd. 1280 Comment
  CAS-BOT-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
  CHSC69493  Poa secunda subsp. secunda James D. Jokerst 1987-5-13 2857 Modoc Radar Survey Site S of Doublehead Mtn., S of Clear Lake Reservoir, lake W and adjacent to N end of central sector. 1353 Comment
  UC1024858  Poa secunda subsp. secunda Leo Whitney 1935-6-1 3174 Modoc meadow 1 mi s White Horse Comment
  UC1024906  Poa secunda subsp. secunda Leo Whitney 1935-5-19 3105 Modoc ca 15 mi nw Canby (Hackamore); Modoc Nat'l Forest 1463 Comment
  UC1037148  Poa secunda subsp. secunda Leo Whitney 1935-7-6 3424 Modoc near Lookout Pit River Comment
  CHSC109463  Poa wheeleri L. P. Janeway; B. Castro 2012-7-26 11016 Modoc Warner Mountains. Top of Yellow Mountain; topmost part and western edge (at the edge of a steep dropoff to the northwest). 2463 Comment
  HSC65262  Poa wheeleri J. P. Smith, J. O. Sawyer 1973-8-8 7228 Modoc Near summit of Eagle Peak 2988 Comment
  CAS-BOT-BC179346  Pogogyne floribunda James D. Jokerst 1987-6-23 2930 Modoc Ca. 2 mi. SW of Doublehead Mountain. Comment
  CHSC67515  Pogogyne floribunda J. D. Jokerst 1987-6-23 2932 Modoc Modoc National Forest, Devils Garden Ranger District (south of Clear Lake). W of Dirt Road about 1.3 miles SE of Doublehead Lake and 2/3 mile NW of Lone Pine Lake. Comment
  UC1191807  Pogogyne floribunda Verne Grant, Irving Schneider 1947-8-27 8329 Modoc Embayment at south end of Clear Lake Comment
  UCD125312  Pogogyne floribunda Herbert L. Mason 1947-8-9 13474 Modoc on east side of Fairchild Swamp, north of Alturas. Comment
  CAS-BOT-BC95162  Polanisia dodecandra subsp. trachysperma John Thomas Howell 1934-6-13 12089 Modoc Surprise Valley, 3 mi N of Eagleville. Comment
  CHSC117863  Polemonium micranthum L. P. Janeway 2016-5-16 11979 Modoc Modoc Plateau. Devils Garden area; along Road 47N07 1.8 road-km south of Road 181/73/47N09. 1573 Comment
  CHSC99114  Polemonium micranthum Lowell Ahart; John Dittes 2008-6-21 14981 Modoc North of the large culvert, west of the large levee, in Big Valley, about 2.8 miles (air) north of the Headquarters at Ash Creek State Wildlife Area, about 5.4 miles (air) northeast of Bieber. 1255 Comment
  UC23985  Polemonium micranthum Mrs. R. M. Austin May 1894 Modoc Goose Lake Valley Comment
  JEPS69908  Polemonium micranthum B. C. Goldsmith 1912-5-1 Modoc Alturas Comment
  CAS-BOT-BC197855  Polemonium occidentale Leland S. Smith 1922-7-24 1315 Modoc Rush Creek in small pasture. 1905 Comment
  RSA11867  Polemonium pulcherrimum Elmer I. Applegate 1932-8-3 8118 Modoc Arid crest of Warner Mountains, north of Eagle Peak Comment
  SEINET4335513 Image available Polemonium pulcherrimum Annie M. Alexander, Louise Kellogg 1946-8-1 5106 Modoc Eagle Peak, Warner Mountains Comment
  RSA59937  Polyctenium fremontii E. K. Balls 1950-5-11 14631 Modoc 8.1 miles NE of Fort Bidwell, above Cow Head Lake, along 8-mile Creek. 1463 Comment
  CAS-BOT-BC218124  Polygonum austiniae L. A. M. Black 1894-7-1 59 Modoc Davis Creek. Comment
  CHSC112836  Polygonum aviculare Lowell Ahart; John Dittes 2013-7-24 18915 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
  CHSC52636  Polygonum aviculare James Jokerst 1983-7-27 1908 Modoc Near Signal Butte. 1340 Comment
  JEPS19750  Polygonum aviculare subsp. buxiforme Rimo Bacigalupi with S. Galen Smith 1957-6-28 5984 Modoc along roadside of US Hwy 299 4.2 mi w Alturas 1371 Comment
  RSA530111  Polygonum buxiforme D. W. Taylor, G. L. Clifton 1989-8-6 10486 Modoc bed of Snake Lake 1570 Comment
Read comments
Mar 12 2011
  CDA2802  Polygonum convolvulus T. C. Fuller 1958-7-8 2019 Modoc Davis Creek. 0 Comment
  CAS-BOT-BC218137  Polygonum douglasii Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10536 Modoc Patterson Ranger Station (East Creek drainage). Modoc National Forest. Warner Mountains 2164 Comment
  NY412834  Polygonum douglasii L. C. Wheeler 1935-8-6 3801 Modoc 1/2 mile south of Pine Creek (town) 1493.5 Comment
  RSA518871  Polygonum douglasii Barbara J. Ertter 1988-6-18 7615 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
  UC466035  Polygonum douglasii subsp. austiniae Mrs. R. M. Austin Aug. 1894 304 Modoc Davis Creek Comment
  CAS-BOT-BC27103  Polygonum esotericum Louis Cutter Wheeler 1935-8-25 3918 Modoc Rim Rock Valley Reservoir, Devils Garden. Modoc National Forest 1524 Comment
  RSA0005196  Polygonum esotericum Louis C. Wheeler 1935-8-25 3918 Modoc Devil's Garden: Rimrock Valley Reservoir. 1524 Comment
  UC1101143  Polygonum lapathifolium Herbert L. Mason and Verne Grant 1947-7-11 13372 Modoc irrigation ditch by Jones' Lane (off Hwy 395, s of Alturas) Comment
  CDA22825  Polygonum lapathifolium T. C. Fuller 1958-8-12 2070 Modoc Corporation Ranch, Likely. 0 Comment
  CAS-BOT-BC218163  Polygonum polygaloides Bruce Bartholomew; Barrett Anderson 1990-7-20 5520 Modoc Tamarack Flat, E side of Warner Mts. 2150 Comment
  CAS-BOT-BC218171  Polygonum polygaloides subsp. confertiflorum Alice Eastwood; John Thomas Howell 1940-6-14 8210 Modoc 8 mi. NW of Canby. Comment
  CHSC14077  Polygonum polygaloides subsp. confertiflorum K. R. Stern; D. B. Joley, J. G. Geschke 1974-6-22 5826 Modoc W side of Egg Lake. 1775 Comment
  CHSC81397  Polygonum polygaloides subsp. confertiflorum R. E. Preston 2000-7-17 1391 Modoc Ca. 11 mi nw of Canby, on n side of Hwy 139, 2.7 mi e of Forest Service Rd 44N11. 1490 Comment
  JEPS98240  Polygonum polygaloides subsp. confertiflorum R. E. Preston 2000-7-17 1388 Modoc 11 mi NW of Canby (N side of Hwy 139, 2.3 mi e of FSR 44N11) 1490 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
  UCD77952  Polygonum polygaloides subsp. confertiflorum Robert E. Preston 2000-6-1 1357 Modoc Modoc Plateau, along Hwy 139, ca. 2 mi e of Forest Service Road, 44N11. 1487 Comment
  JEPS19796  Polygonum polygaloides subsp. confertiflorum Rimo Bacigalupi with S. Galen Smith 1957-6-27 5982 Modoc about 9 mi nw of Canby (along State Highway 139); State Highway 139 1584 Comment
  JEPS50549  Polygonum polygaloides subsp. confertiflorum Milo S. Baker 1893-6-28 Modoc in Modoc County Modoc County 1371 Comment
  RSA32012  Polygonum polygaloides subsp. confertiflorum A. A. Heller 1938-6-24 15230 Modoc 2 miles E of McArthur. 1037 Comment
  UCD77953  Polygonum polygaloides subsp. confertiflorum Robert E. Preston 2000-7-18 1413 Modoc Ca. 15 mi nw of Canby, on n side of Hwy 139, 1.25 mi w of Forest Service Rd 44N11. 1467 Comment
  CAS-BOT-BC218182  Polygonum polygaloides subsp. esotericum Louis Cutter Wheeler 1935-8-25 3919 Modoc Rim Rock Valley Reservoir, Devil's Garden. 1524 Comment
  CAS-BOT-BC27102  Polygonum polygaloides subsp. esotericum Louis Cutter Wheeler 1935-8-25 3918 Modoc Rim Rock Valley Reservoir, Devils Garden. Modoc National Forest 1524 Comment
  CHSC81399  Polygonum polygaloides subsp. esotericum R. E. Preston 2000-7-18 1417 Modoc Ca. 11 mi nw of Canby, 1,000 ft n of Hwy 139. 1487 Comment
  RSA602681  Polygonum polygaloides subsp. esotericum Louis C. Wheeler 1935-8-16 3867 Modoc Warner Mountains: Dismal Swamp, Twenty Mile Creek. 2226 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
  UCD77950  Polygonum polygaloides subsp. kelloggii Robert E. Preston 2000-6-1 1359 Modoc Modoc Plateau, along Hwy 139, ca. 3 mi e of Forest Service Road 44N11. 1490 Comment
  CDA22795  Polygonum spergulariiforme G. D. Barbe 1991-8-28 4445 Modoc Kelley Spring, 3.4 miles (5.5 km) from Highway 299 at Rush Creek, on Primary Forest Service Road 22 and Road 40N33, Modoc National Forest. Comment
  HSC10822  Polypogon monspeliensis M. T. Milligan 1964-8-21 229 Modoc South end of Dorris Resvr. Dam. 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
  UC1037169  Polypogon monspeliensis Leo Whitney 1935-7-17 3514 Modoc Hackamore Lake Joaquina (ca 15 mi nw of Canby, Modoc National Forest); Modoc National Forest, , Hackamore 1463 Comment
  UC70666  Polypogon monspeliensis Mrs. M. H. Manning June 1903 402 Modoc north-eastern Modoc County Comment
  CAS-BOT-BC225101  Populus tremuloides A. D. Borden 1911-5-21 s.n. Modoc Creek SW of Sugar Hill. Comment
  UCD169695  Porterella carnosula Louis C. Wheeler 1935-8-22 3908 Modoc Devil's Garden: South Mt. Reservoir. 1524 Comment
  SEINET3812421 Image available Porterella carnosula Calvin McMillan 1949-6-16 1534 Modoc March three miles S of Crowder Flat, in N central Modoc County about 7 miles S of the Oregon border Comment
  CAS-BOT-BC267120  Potamogeton Milo S. Baker 1999-8-5 3660 b Modoc Fall River near [unreadable] Comment
  POM313001  Potamogeton epihydrus var. epihydrus Verne Grant, Irving Schneider 1947-7-21 8127 Modoc N Fork of Pit River by bridge on Hwy 395, N of Alturas. Comment
  CAS-BOT-BC242245  Potamogeton foliosus Bruce Bartholomew 1995-9-4 7204 Modoc Drainage from Taylor Reservoir just E of junction of County roads 93 and 94. 1260 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
  JEPS102211  Potamogeton gramineus J. Greenhouse 2001-6-11 5018 Modoc Small pond on N side of Forest Rd. 42N60 (Loveness Rd.) a few miles W of Hwy 139, about 9 mi NW of Canby. Comment
  CAS-BOT-BC242228  Potamogeton nodosus Bruce Bartholomew 1992-8-7 6356 Modoc Along the Pit River just SW of Canby Bridge. 1300 Comment
  CAS-BOT-BC242229  Potamogeton nodosus Milo Samuel Baker 1899-8-24 s.n. Modoc Pit River at Lookout. Comment
  UC1099836  Potamogeton pectinatus Herbert L. Mason 1947-8-11 13488 Modoc Kelley Hot Springs, on Alturas-Conby Highway Kelley Hot Springs Comment
  SEINET5335427  Potamogeton pusillus M. S. Baker 1899-8-24 s.n. Modoc Carmichaels Mill Comment
  UC1100037  Potamogeton pusillus var. pusillus Herbert L. Mason 1947-8-8 13468 Modoc nw of Alturas (sw margin of Big Sage Reservoir); Big Sage Reservoir Comment
  UCR270962  Potentilla John F. Emmel 2000-8-3 1682 Modoc Modoc Plateau, north end of the Warner Mountains, slope and meadow 0.6 air mile ESE of Moonlight Mines, on NW flank of Mt. Bidwell 2470 Comment
  CAS-BOT-BC214737  Potentilla biennis Bruce Bartholomew 1991-7-6 5981 Modoc W side of Egg Lake between the lava beds and Egg Lake. 1300 Comment
  POM33920  Potentilla biennis R. M. Austin 1890-07 522 Modoc Northern California, Goose Lake. Comment
Read comments
Sep 7 2010
  UC71672  Potentilla biennis Mrs. M. H. Manning 1902-10-21 Modoc northern slope of Fandango northern slope of Fandango (north-eastern Modoc County) Comment
  NY831738  Potentilla breweri var. breweri B. M. Bartholomew 1988-7-22 4543 Modoc Benton Meadow, Warner Mountains 2180 Comment
  NY832640  Potentilla drummondii B. M. Bartholomew 1988-7-23 4568 Modoc Dismal Swamp, Warner Mountains 2180 Comment
  CAS-BOT-BC214782  Potentilla gracilis Verne Grant; I. Schneider 1947-7-19 8073 Modoc Williams ranch, along Southern Pacific right-of-way near East Canal, in Pit Valley S of Alturas. Comment
  JEPS44457  Potentilla gracilis var. flabelliformis Milo S. Baker 1893-7-2 Modoc Forestdale Comment
  RSA85691  Potentilla gracilis var. flabelliformis F. W. Peirson 1926-6-25 6883 Modoc 1 mile east of summit of Cedarville Road, Warner Mountains Comment
  CAS-BOT-BC214796  Potentilla millefolia Bruce Bartholomew 1993-6-12 6601 Modoc Tom Large Flat, W of Egg Lake. 1260 Comment
  CAS-BOT-BC143313  Potentilla newberryi Verne Grant; Irving Schneider 1947-8-27 8313 Modoc Southwest end of Clear Lake Comment
  CAS-BOT-BC214800  Potentilla newberryi John Thomas Howell 1934-7-2 12359 Modoc E side of Clear Lake. Comment
  UC545842  Potentilla newberryi L. D. Whitney 1935-7-29 3595 Modoc near w end Clear Lake; near w end of Clear Lake Comment
  UC1191496  Potentilla rivalis Herbert L. Mason, Verne Grant 1947-7-12 13404 Modoc Irrigation ditch by Jones' Lane off Highway 395 several mi s Alturas; s of Alturas Comment
  CAS-BOT-BC225020  Poteridium annuum Mrs. H. C. Cantelow 1940-6-1 3466 Modoc 32.7 mi. N of Alturas, Hwy 395. Comment
  CHSC85141  Poteridium annuum John Dittes; Josephine Guardino 1991-7-21 396 Modoc Modoc Plateau; Big Valley; Ash Creek Wildlife Area; ca. 7.7 air-miles northeast of Bieber, ca. 4.0 air-miles west by southwest of Adin, ca. 5.0 air-mile east by southeast of Pilot Butte summit, ca. 0.6 mile east of Walters Road and Owl Barn; meadow at southern edge of Ash Creek Floodplain. 1271 Comment
  CAS-BOT-BC225030  Poteridium annuum Roxana Stinchfield Ferris; R. Duthie 1919-6-15 156 Modoc Parker Creek, Warner Mts. Comment
  CDA40759  Prunella vulgaris subsp. lanceolata G. D. Barbe, John Kelley 1988-7-2 4301 Modoc Modoc National Wildlife Refuge, southeast of Alturas. 0 Comment
  SEINET3157223  Prunus demissa L. S. Rose 1940-6-13 40554 Modoc Fandango Pass 1905 Comment
  CAS-BOT-BC214810  Prunus emarginata Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-13 16458 Modoc Near summit of Fandango Pass, Warner Mts. Comment
  RSA520468  Prunus subcordata K. Paulson, R. Paulson 1989-5-8 104 Modoc Howard's Gulch. Along Hwy 139. 1372 Comment
  RSA59642  Prunus subcordata E. K. Balls 1950-5-12 14651 Modoc N of Bucks Creek Ranger Station. Modoc National Forest. 1829 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
  CAS-BOT-BC225005  Prunus virginiana var. demissa Bruce Bartholomew; Barrett Anderson 1989-6-1 4733 Modoc Shake Spring, NW side of Shaffer Mountain. 1500 Comment
  CHSC100358  Prunus virginiana var. demissa Lowell Ahart; John Dittes 2008-8-25 15301 Modoc On the west bank of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-notheast of Lookout. 1273 Comment
  RSA451460  Prunus virginiana var. demissa H. E. McMinn 1931-5-23 1998 Modoc Cedarville road. Warner Mtns. Comment
  UC1191504  Prunus virginiana var. demissa Verne Grant, Irving Schneider 1947-7-22 8159 Modoc 1 mi nw of Highway 395 (on dirt road leading to s end of Goose Lake, at headwaters of North Fork Pit River); North Fork Pit River Comment
  UCD91504  Pseudoroegneria spicata Beecher Crampton; Carl Rimbey 1954-7-7 2149 Modoc Modoc County, 3 miles west of Cedarville, east side of Cedar Pass, Warner Mountains. Comment
  UCD91521  Pseudoroegneria spicata L. Whitney 1935-8-3 s.n. Modoc Hackamore. Comment
  CAS-BOT-BC252502  Pseudoroegneria spicata subsp. spicata Bruce Bartholomew; Barrett Anderson 1990-7-20 5477 Modoc 10.3 km N of Buck Creek Ranger Station, crest of Warner Mountains W side of Warner Mts. 2130 Comment
  UC1137086  Pseudoroegneria spicata subsp. spicata August L. Hormay 1932-7-15 Modoc Modoc National Forest, Crowder Ranger Station Crowder Ranger Station; Modoc National Forest, Crowder Ranger Station Comment
  UC188857  Pseudoroegneria spicata subsp. spicata Milo S. Baker Modoc near Forestdale Comment
  NY63590  Pseudotsuga menziesii var. menziesii B. M. Bartholomew 1992-5-14 6273 Modoc Northeast side of White Horse Mountains, southwest of White Horse Flat Reservoir 1400 Comment
  CAS-BOT-BC50379  Psilocarphus brevissimus var. brevissimus John Thomas Howell 1934-7-2 12361 Modoc Near mouth of Willow Creek, NE side of Clear Lake. Comment
  CHSC107372  Psilocarphus tenellus var. tenellus Lowell Ahart; John Dittes 2011-6-22 17543 Modoc On the west side of the road, about 30 yards north of the Pilot Butte Parking Lot, north edge of Ash Creek Floodplain, 1.1 miles (air) south of County Road 87, 7.7 miles (air) west of Aden, 10 miles (air) east of Lookout, Big Valley. 1264 Comment
  RSA26258  Puccinellia lemmonii Alice Eastwood, J. T. Howell 1940-6-11 8020 Modoc Near Canby Comment
  UCD32740  Puccinellia nuttalliana Beecher Crampton 1954-7-8 2193 Modoc Modoc County, 3 miles west of Alturas, along US highway 299. Comment
  UCD32742  Puccinellia nuttalliana Beecher Crampton 1954-7-8 2195 Modoc Modoc County, 3 miles west of Alturas, along US highway 299. Comment
  UCD32743  Puccinellia nuttalliana Beecher Crampton 1954-7-8 2196 Modoc Modoc County, 3 miles west of Alturas, along US highway 299. Comment
  UCD35723  Purshia tridentata Beecher Crampton 1960-6-17 5681 Modoc 5 miles south of Perez, Plant Quarantine Station area. 1371 Comment
  CAS-BOT-BC218231  Purshia tridentata var. tridentata A. D. Borden 1911-8-9 Modoc S slope of Shields Creek. Comment
  JEPS44641  Purshia tridentata var. tridentata Frances D. Payne 1931-7-11 152 Modoc s and e of Alturas (Parker Creek); Warner Mountains 1584 Comment
  RSA59519  Purshia tridentata var. tridentata E. K. Balls 1950-5-21 4850 Modoc Opposite South Fork Public Camp. South Fork Pit River. 1479 Comment
  CAS-BOT-BC95687  Pyrola picta Leland S. Smith 1917-9-17 160 Modoc Lassen Creek. 2133 Comment
  CAS-BOT-BC95695  Pyrola picta Bruce Bartholomew; Barrett Anderson 1988-7-21 4408 Modoc Whitehorse Mts., 11 km N of Day on the road to Whitehorse Flat Reservoir. 1340 Comment
  HSC80766  Pyrola picta G. M. Riegel 1979-9-4 740 Modoc S Warner Mtns. 1670 Comment
  CAS-BOT-BC50394  Pyrrocoma carthamoides var. cusickii Bruce Bartholomew; Barrett Anderson 1990-7-20 5461 Modoc 4 km N of Buck Creek Ranger Station at turn off to Del Prat Spring, W side of Warner Mts. 1900 Comment
  JEPS5940  Pyrrocoma carthamoides var. cusickii Frances D. Payne 1932-7-22 730 Modoc s and e of Alturas; Warner Mountains, Parker Creek 1584 Comment
  CAS-BOT-BC50356  Pyrrocoma lanceolata var. lanceolata Alice Eastwood; John Thomas Howell 1940-6-14 8198 Modoc 6 mi. W of Alturas. 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
  CAS-BOT-BC105114  Quercus kelloggii Elmer I. Applegate 1897-6-1 872 Modoc Under rim rock near head of Black Canyon, about 6 miles above Canby, on road to Klamath Falls Comment
  CAS-BOT-BC50360  Raillardella argentea Francis Dorris Payne 1929-7-26 132 Modoc Mt. Warren, Warner Mountains 2743 Comment
  UC748194  Raillardella argentea Annie M. Alexander and Louise Kellogg 1946-7-29 5092 Modoc divide top Emerson Creek Canyon; Warner Mountains, Emerson Creek Canyon Comment
  CAS-BOT-BC217255  Ranunculus alismifolius Bruce Bartholomew; M; M. Gilbert; L. E. Skog 1993-5-12 6524 Modoc W side of Whitehorse Reservoir. 1360 Comment
  JEPS60659  Ranunculus aquatilis var. capillaceus Frances D. Payne 1929-7-26 124 Modoc 2 mi sw Warren Mt. (se Modoc Co., pond outlet); Pine Creek Basin 2133 Comment
  RSA252475  Ranunculus aquatilis var. capillaceus Robert F. Thorne, C. W. Tilforth 1969-9-5 39171 Modoc Modoc National Forest, Warner Mountains, Clear Lake. 1768 Comment
  RSA252501  Ranunculus aquatilis var. capillaceus Robert F. Thorne, C. W. Tilforth 1969-9-5 39176 Modoc South Fork of Pit River at bridge, 3.8 miles E. of Likely. 1387 Comment
  JEPS55048  Ranunculus aquatilis var. capillaceus Milo S. Baker 1893-6 Modoc Comment
  POM260011  Ranunculus aquatilis var. harrisii C. L. Hitchcock 1940-5-28 6721 Modoc 15 miles north of Alturas, (near Surprise). 1402 Comment
  CAS-BOT-BC217226  Ranunculus cymbalaria Elmer Ivan Applegate 1897-6-1 870 Modoc Black Canyon above Canby. Comment
  NY494386  Ranunculus cymbalaria L. C. Wheeler 1935-8-3 3769 Modoc Pine Creek, Warner Mountains 1554.5 Comment
  SJSU9367  Ranunculus cymbalaria W. Savage 1979-7-6 1400 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  UC1101382  Ranunculus cymbalaria var. saximontanus Herbert L. Mason and Verne Grant 1947-7-12 13392 Modoc irrigation ditch by Jones' Lane (off Hwy 395, several mi s of Alturas) Comment
  CAS-BOT-BC217236  Ranunculus eschscholtzii var. oxynotus Annie Montague Alexander; L. Kellogg 1946-7-30 5098 Modoc Eagle Peak, Warner Mts. Comment
  CHSC65827  Ranunculus glaberrimus J. Ingraham 1995-4-16 15 Modoc 7.5 mi S of Davis Creek, 100 yds E of Hwy 395. 1438 Comment
  JEPS55077  Ranunculus glaberrimus Leland S. Smith 1918-3-21 915 Modoc near Alturas; Juniper Flats 1371 Comment
  UC1178908  Ranunculus glaberrimus Herbert L. Mason 1949-4-16 13999 Modoc summit of grade between Madeline Plain and Likely Comment
Read comments
Jun 2 2009
  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-BC217207  Ranunculus glaberrimus var. glaberrimus Edward Kent Balls 1950-5-12 14636 Modoc Above Bucks Creek Ranger Station. 1767 Comment
  CAS-BOT-BC217217  Ranunculus occidentalis Fred D. Douthitt 1916-4-27 8 Modoc Henderson Meadow. 1737 Comment
  SEINET195697  Ranunculus occidentalis L. Kellogg, AM Alexander 1946-6-7 4673 Modoc 0.5 mi E of Cedarville 1453 Comment
  JEPS60695  Ranunculus occidentalis Frances D. Payne 1929-7-7 72 Modoc 2 mi sw Mt. Warren (se Modoc Co.); Pine Creek Basin 2133 Comment
  CAS-BOT-BC217214  Ranunculus occidentalis var. occidentalis Margaret J. Williams 1984-6-30 84- 80 -8 Modoc 6.8 mi. W of Cedarville-Gerlach road. 1981 Comment
  CHSC118088  Ranunculus occidentalis var. occidentalis L. P. Janeway 2016-5-17 12042 Modoc Modoc Plateau. Devils Garden area; where Road 45N06 crosses Logans Slough; about 3.2 air-km north of Big Sage Reservoir. 1494 Comment
  RSA0005369  Ranunculus rudis R. M. Austin 1895-07 162 Modoc Willow Creek (Devils Garden) Comment
  RSA210878  Ranunculus sceleratus var. multifidus Robert F. Thorne, James Henrickson, C. W. Tilforth 1969-9-4 s.n. Modoc N Fork of Pit River 3.4 mi N of Alturas where crossed by Hwy 395. 1341 Comment
  CAS-BOT-BC217158  Ranunculus uncinatus Bruce Bartholomew 1995-7-31 7115 Modoc Upper reaches of Sassen Creek, W side of the Warner Mountains. 1900 Comment
  CAS-BOT-BC217159  Ranunculus uncinatus Francis Dorris Payne 1929-7-7 62 Modoc Pine Creek Basin, Warner Mts. 2316 Comment
  CAS-BOT-BC217164  Ranunculus uncinatus John Thomas Howell 1934-6-11 11963 Modoc Parker Creek, Warner Mts. 1584 Comment
  CAS-BOT-BC95604  Rhodiola rosea subsp. integrifolia Annie Montague Alexander; L. Kellogg 1946-7-29 5085 Modoc Head of Eagle Creek, Warner Mts. Comment
  RSA0026215  Ribes John F. Emmel 1997-6-9 1503 Modoc Warner Mts., west slope; along South Willow Ranch Road (east above Hwy 395), ca. 6 air miles south and 0.6 air mile east of Willow Ranch. 1585 Comment
  CAS-BOT-BC225857  Ribes aureum Elmer Ivan Applegate 1929-7-29 6089 Modoc N side of Clear Lake. Comment
  POM141887  Ribes aureum M. S. Baker 1893-1 117 Modoc Egg Lake Comment
  RSA59643  Ribes aureum E. K. Balls 1950-5-12 14650 Modoc Hillsides north of Bucks Creek Ranger station, Modoc National Forest. 1829 Comment
  CAS-BOT-BC225872  Ribes cereum C. L. Hitchcock 1940-5-27 6695 Modoc 15 mi. NE of Alturas. 1615 Comment
  CAS-BOT-BC225881  Ribes cereum Francis Dorris Payne 1931-7-5 325 Modoc Fern Spring Gulch, Warner Mts. 1828 Comment
  HSC20285  Ribes cereum D. M. Thomson 1965-8-14 195 Modoc Lava Beds National Monument, Tichner Rd., 2 mi. from SE entrance Comment
  NY454991  Ribes cereum K. Paulson 1989-6-14 135 Modoc Ca. 1.5 miles northeast of Cedar Pass, Warner Mountains 1905.0 Comment
  RSA165507  Ribes cereum Clare B. Hardham 1961-6-18 7571 Modoc Mts S of summit of Cedar Pass. Comment
  UC11501  Ribes cereum Milo S. Baker 1893-6-10 Modoc Lava Beds Comment
  UC11502  Ribes cereum Milo S. Baker 1893-8-10 Modoc Lava Beds Comment
  UC585196  Ribes cereum G. L. Stebbins Jr. and E. B. Babcock 1936-6-9 1813 Modoc near Cedarville (e end of Bonner Grade) 1600 Comment
  SEINET5766412  Ribes hudsonianum var. petiolare A. Sanger 1996-6-26 3591 Modoc Silver Creek, along road to Lost Lake. 1951 Comment
  CAS-BOT-BC225913  Ribes velutinum Roxana Stinchfield Ferris; R. Duthie 1919-6-14 139 Modoc Hills above Parker Creek at Modoc Nat. Forest. Comment
  CAS-BOT-BC225931  Ribes velutinum Frank Pery Sipe 1930-7-17 s.n. Modoc Lava beds. Comment
  OBI83292  Ribes velutinum Rhonda Riggins 1989-4-28 1666 Modoc Pencil Rd. 4.4 mi N of Hwy. 395 E of Alturas. 1524 Comment
  RSA0019693  Ribes velutinum Beecher Crampton 1954-7-8 2180 Modoc Northeastern edge of Jess Valley, 15 miles east of Likely. Comment
  CAS-BOT-BC225944  Ribes viscosissimum P. Monnet 1913-7-7 871 Modoc Warner's Range. 2286 Comment
  SEINET195338 Image available Ribes viscosissimum Annie M. Alexander, L Kellogg 1946-6-15 4772 Modoc Deep Creek 1981 Comment
  CAS-BOT-BC50329  Rigiopappus leptocladus Bruce Bartholomew; Barrett Anderson 1989-6-3 4867 Modoc Boles Creek, ca. 5.5 km E of the SE corner of Clear Lake Reservoir. 1430 Comment
  CAS-BOT-BC50370  Rigiopappus leptocladus David Daniels Keck; Jens Chr. Clausen 1935-6-24 3715 Modoc 3 mi. NE of Willow Ranch. 1550 Comment
  CAS-BOT-BC50371  Rigiopappus leptocladus Bruce Bartholomew 1990-6-18 5385 Modoc Turner Creek at County Rd 90, N end of Big Valley, 6.4 km N of Lassen County border. 1230 Comment
  RSA584833  Rigiopappus leptocladus Bruce Bartholomew 1993-6-12 6575 Modoc Road to Day Rock from Little Hot Spring Valley 1200 Comment
  UC748493  Rigiopappus leptocladus Annie M. Alexander and Louise Kellogg 1946-6-17 4789 Modoc 10 mi ne Alturas (Cedar Pass road) Comment
  UC1537632  Rorippa Gordon H. True Jr. 1939-7-21 1030 Modoc Jack Swamp Comment
  CDA13466  Rorippa austriaca G. F. Hrusa, T. D. Wilfred 1996-7-21 13313 Modoc Modoc Plateau; Above Pit River at Modoc Co. Rd. 90 bridge. E base of Splawn Mtn. N end of Big Valley. Comment
  UCR9592  Rorippa austriaca D. O. Clark 1970-6-24 s.n. Modoc 6 mi south of Alturus. SW corner of Jones Rd. with the Pitt River. 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
  UCD115244  Rorippa austriaca Robbins; Raynor 1943-6-1 s.n. Modoc Corporation Ranch in Likely. Comment
  CAS-BOT-BC58411  Rorippa columbiae Dean William Taylor 1987-8-9 9280 Modoc Clear Lake Reservoir, on shore 100 m W of dam. 1371 Comment
  CAS-BOT-BC58382  Rorippa curvisiliqua Alice Eastwood; John Thomas Howell 1940-6-12 8081 Modoc Jess Valley. Comment
  CAS-BOT-BC58419  Rorippa curvisiliqua Bruce Bartholomew 1994-5-29 6735 Modoc Curtis Water Hole, NW of Egg Lake. 1280 Comment
  UC1191527  Rorippa curvisiliqua Malcolm A. Nobs, S. Galen Smith 1949-7-20 1054 Modoc four mi w Adin; w of Adin Comment
  UC1191534  Rorippa nasturtium-aquaticum Verne Grant and Irving Schneider 1947-7-19 8078 Modoc in Pit Valley s Alturas (Williams Ranch, along Southern Pacific right-of-way near East Canal); Pit Valley s of Alturas Comment
  CAS-BOT-BC95038  Rorippa palustris var. hispida Verne Grant; I. Schneider 1947-7-19 8077 Modoc William Ranch, along Southern Pacific right-of-way near East Canal, in Pit Valley S of Alturas. Comment
  CAS-BOT-BC218244  Rosa gymnocarpa Bruce Bartholomew 1994-7-4 6855 Modoc Johnson Creek, E of State Hwy 299. 1620 Comment
  HSC59872  Rosa woodsii subsp. ultramontana J. P. Smith, J. O. Sawyer 1973-8-9 7259 Modoc Blue Lake, Modoc National Forest. 1829 Comment
  CAS-BOT-BC218252  Rosa woodsii var. ultramontana Alice Eastwood; John Thomas Howell 1940-6-11 8009 Modoc 6 mi. NE of Adin on road to Canby. Comment
  SD46575  Rosa woodsii var. ultramontana Robert J. Weatherby 1955-7-8 1627 Modoc 5 miles north of Ft. Bidwell, no. Warner Mts. 1783 Comment
  UC528028  Rosa woodsii var. ultramontana Elmer I. Applegate 1929-6-25 5904 Modoc e side of Goose Lake Willow Ranch (along stream) Comment
  CAS-BOT-BC218266  Rubus parviflorus Bruce Bartholomew 1989-7-14 4929 Modoc Along Rush Creek between Lower and Upper Rush Creek Campgrounds. 1580 Comment
  UC12970  Rubus parviflorus Baker and Nutting Modoc Comment
  CAS-BOT-BC211348  Rumex lacustris E. S. Willits 1940-5-17 258 Modoc Creek bottom, Willow Ranch. 1371 Comment
  CAS-BOT-BC211349  Rumex lacustris Herbert Louis Mason; Verne Grant 1947-8-27 8309 Modoc South end of Clear Lake. Comment
  UC1101221  Rumex salicifolius var. lacustris Herbert L. Mason 1947-8-9 13482 Modoc n of Alturas (e side of Fairchild Swamp); Fairchild Swamp Comment
  CDA23209  Rumex salicifolius var. triangulivalvis T. C. Fuller 1958-7-8 1934 Modoc Corporation Ranch, Likely. 0 Comment
  UC935719  Sagittaria cuneata Herbert L. Mason 1947-8-12 13506 Modoc Alturas Junction of North and South Forks of Pit River (junction of North and South Forks of Pit River) Comment
  CAS-BOT-BC225111  Salix bebbiana Belknap C. Goldsmith 1911-5-21 25 Modoc East shore of Goose Lake. Comment
  CAS-BOT-BC225123  Salix boothii Francis Dorris Payne 1932-7-7 335 Modoc Pine Creek Basin, Warner Mts., about 33 km SE of Alturas. 2280 Comment
  JEPS14875  Salix boothii L. S. Smith 1918-8-11 1023 Modoc Camp One-T38-16 Modoc Nat'l Forest 22 Comment
  UC492378  Salix boothii Frances D. Payne 1932-7-21 729 Modoc e of Alturas (marsh s of Mosquito Lake); Warner Mts., e side Mt. Warren (Buck Mt.) Comment
  CAS-BOT-BC225755  Salix eastwoodiae Francis Dorris Payne 1931-6-25 275 Modoc Pine Creek Basin, Warner Mts., about 33 km SE of Alturas. 2280 Comment
  CAS-BOT-BC225761  Salix eastwoodiae Francis Dorris Payne 1931-6-25 277 Modoc Pine Creek Basin, Warner Mts., about 33 km SE of Alturas. 2280 Comment
  POM218965  Salix eastwoodiae Frances D. Payne 1931-7-7 333 Modoc Pine Creek Basin. Warner Mtns. About 33 km SE of Alturas. 2280 Comment
  SBBG59081  Salix eastwoodiae F. D. Payne 1931-7-8 177 Modoc Pine Crk Basin, ca. 33 km SE of Alturas 2280 Comment
  UC5065  Salix eastwoodiae Mrs. R. M. Austin and Bruce June 1898 33 Modoc Warner Mts. Comment
  LA208612  Salix exigua Mrs. H. P. Bracelin; Miss Frances D. Payne 1931-6-30 488 Modoc Parker Creek, 20 km. E of Alturas; meadow S of Payne Ranch 1560.0 Comment
  NY187439  Salix exigua F. D. Payne 1931-6-30 488 Modoc Parker Creek, 20 km east of Alturas; meadow south of Payne Ranch 1560 Comment
  NY187445  Salix exigua F. D. Payne 1931-6-30 495 Modoc Parker Creek, 20 km east of Alturas. Meadow south of Payne Ranch 1560 Comment
  UC481954  Salix exigua Mrs. H. P. Bracelin and Miss Frances D. Payne 1931-6-30 488 Modoc 20 km. e Alturas (Parker Creek, meadow s of Payne Ranch); Parker Creek 1560 Comment
  NY187588  Salix geyeriana var. argentea L. C. Wheeler 1935-9-11 3969 Modoc Mulky Place, Fletcher Creek, Devil's Garden 1524.0 Comment
  UCR270593  Salix lasiandra John F. Emmel 2000-8-2 1678 Modoc north end Warner Mountains, along Pine Creek Road, 2.2 road miles east of Hwy 395 1585 Comment
  CAS-BOT-BC229687  Salix lasiandra subsp. caudata H. P. Bracelin; Francis Dorris Payne 1931-6-30 497 Modoc Parker Creek, 20 km E of Alturas. 1560 Comment
  UC634554  Salix lasiandra subsp. lasiandra F. H. Frost 1925-7-11 20 Modoc Cedar Canyon Camp Site Warner Mts., Cedar Canyon Camp Site Comment
  RSA612590  Salix lasiolepis Louis C. Wheeler 1935-8-3 3771 Modoc Pine Creek, Warner Mts. 1555 Comment
  SBBG57847  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-29 486 Modoc halfway between Adin and Canby 1350 Comment
  UC481930  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-29 487 Modoc halfway between Adin and Canby 1350 Comment
  UC481932  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-29 487 Modoc halfway between Adin and Canby 1350 Comment
  UC481933  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-29 487 Modoc halfway between Adin and Canby 1350 Comment
  CAS-BOT-BC197551  Salix lasiolepis var. lasiolepis Louis Cutter Wheeler 1935-8-13 3831 Modoc Barnes Creek, Warner Mts. 2133 Comment
  CAS-BOT-BC229670  Salix lasiolepis var. lasiolepis John H. Hatton 1911-6-13 67 Modoc unspecified Comment
  UC481859  Salix lemmonii Frances D. Payne 1931-7-7 334 Modoc ca. 33 km. s.e. Alturas; Warner Mts., Pine Creek Basin 2280 Comment
  UC482348  Salix lemmonii Mrs. H. P. Bracelin and Miss Frances D. Payne 1931-6-30 496 Modoc 20 km. e. Alturas (meadow s. of Payne Ranch, Parker Creek); Parker Creek 1560 Comment
  POM261276  Salix lucida subsp. lasiandra C. Leo Hitchcock 1940-5-27 6699 Modoc 12 miles NW of Alturas. 1616 Comment
Read comments
Apr 8 2012
  SBBG57822  Salix lucida subsp. lasiandra Mrs. H. P. Bracelin 1931-6-30 498 Modoc Parker Crk, 20 km E of Alturas, meadow S of Payne Ranch 1500 Comment
  POM362841  Salix lutea H. P. Bracelin, Frances D. Payne 1931-6-30 499 Modoc Parker Creek, 20 km E of Alturas. Meadow S of Payne Ranch. 1560 Comment
  UC481795  Salix lutea Mrs. H. P. Bracelin and Miss Frances D. Payne 1931-6-30 499 Modoc 20 km. e. Alturas (meadow s. of Payne Ranch); Parker Creek 1560 Comment
  UC481941  Salix melanopsis Mrs. H. P. Bracelin and Miss Frances D. Payne 1931-6-30 491 Modoc 20 km. e. Alturas (meadow s. of Payne Ranch, Parker Creek); Parker Creek 1560 Comment
  CAS-BOT-BC229833  Salix scouleriana Francis Dorris Payne 1934-8-1 778 Modoc Pine Creek Basin, Warner Mts. 2316 Comment
  CDA37947  Salvia aethiopis CDFA Staff s.n. Modoc Northeastern part of county. 0 Comment
  UCD125444  Salvia aethiopis John C. Hays 1947-6-1 s.n. Modoc Joseph Creek, on W.A. Carlsberg Ranch. Comment
  CAS-BOT-BC179243  Salvia dorrii var. dorrii Kay Paulson; Richard Paulson 1988-5-24 16 Modoc Granger Canyon, Warner Mts.. 1493 Comment
  SBBG6480  Salvia dorrii var. dorrii H. and M. Dearing 1939-6-9 3609 Modoc E side of Cedar Pass 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
  RSA610631  Sambucus racemosa L. C. Wheeler 1935-8-14 3852 Modoc Lily Lake, Pine Creek, Warner Mountains. 2073 Comment
  UC1191507  Sanguisorba annua Herbert L. Mason and Verne Grant 1947-7-13 13443 Modoc Joseph Creek on Hwy 395 n of Davis Creek (e side Goose Lake) (near roadside); e side Goose Lake, Joseph Creek Comment
  CAS-BOT-BC15721  Sanicula graveolens Elmer Ivan Applegate 1932-7-31 7968 Modoc Mill Creek Meadow, W slope of Warner Mts. Comment
  JEPS1006  Sanicula graveolens L. S. Smith 1918-1 1124 Modoc Warner Mountains, Deep Creek Deep Creek; Warner Mountains, Deep Creek 1889 Comment
  CAS-BOT-BC95240  Saponaria officinalis Verne Grant; I. Schneider 1947-8-24 8256 Modoc S end of Jess Valley, Warner Mts. Comment
  CAS-BOT-BC95241  Saponaria officinalis Bruce Bartholomew 1989-8-10 5050 Modoc N side of Widow Valley, 10.1 km E of Day on County Road 94. Comment
  CAS-BOT-BC95568  Sarcobatus vermiculatus Edward Kent Balls 1950-5-10 14599 Modoc E shore of Middle Lake, near Cedarville. 1402 Comment
  UC1583999  Saxifraga integrifolia G. Schoolcraft 1990-6-7 2083 Modoc about 12 mi ne of Alturas (near Joseph Creek) 1615 Comment
  UCD126455  Schedonorus arundinaceus L. D. Whitney 1935-7-7 s.n. Modoc Howard Gulch. Comment
  CAS-BOT-BC247698  Schedonorus pratensis Bruce Bartholomew; Barrett Anderson 1988-7-22 4482 Modoc Vicinity of East Creak Trailhead, southern end of the Warner Mts. 2210 Comment
  CAS-BOT-BC247699  Schedonorus pratensis Leland S. Smith 1917-7-23 121 Modoc Joseph Creek. 1828 Comment
  CAS-BOT-BC245120  Scirpus microcarpus Bruce Bartholomew 1989-8-11 5062 Modoc Along Lassen Creek near SE side of Harris Flat, Warner Mountains. 1920 Comment
  CHSC100354  Scirpus microcarpus Lowell Ahart; John Dittes 2008-8-26 15354 Modoc On the bottom of Rose Creek, 250 feet southwest of confluence of Rose Creek and Pit River, on the northwest side of unnamed road, 3160 feet east of intersection with County Road 85a, 9.3 miles (air) north-northeast of Lookout. 1276 Comment
  CHSC113087  Scirpus microcarpus Lowell Ahart; John Dittes 2013-7-24 18944 Modoc South margin of Ash Creek Canal, south of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. 1268 Comment
  JEPS114910  Scirpus microcarpus Lowell Ahart, John Dittes 2008-8-26 15354 Modoc On the bottom of Rose Creek, 250 feet southwest of confluence of Rose Creek and Pit River, on the northwest side of unnamed road, 3160 feet east of intersection with County Road 85a, 9.3 miles (air) north-northeast of Lookout 1276 Comment
  UC70014  Scirpus microcarpus Mrs. M. H. Manning June 1903 431 Modoc north-eastern Modoc County Comment
  RSA210794  Scirpus nevadensis Robert F. Thorne, James Henrickson, C. W. Tilforth 1969-9-4 39078 Modoc E shore of Goose Lake at Willow Ranch. 1433 Comment
  UC1100886  Scirpus nevadensis Herbert L. Mason 1947-8-15 13543 Modoc e side Goose Lake (mouth Crane Creek, Willow Ranch); mouth Crane Creek, e side Goose Lake, Willow Ranch Comment
  HSC21135  Scrophularia desertorum M. T. Milligan 1965-6-30 393 Modoc Slopes and ridges E of Jess Valley. 1768 Comment
  CAS-BOT-BC197836  Scrophularia lanceolata Annie Montague Alexander; L. Kellogg 1946-6-18 4806 Modoc Base of lava bluff facing Lower Lake. 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
  CHSC14064  Scutellaria antirrhinoides K. R. Stern 1974-6-22 5821 Modoc W side of Egg Lake. 1295 Comment
  JEPS94083  Scutellaria antirrhinoides Vernon H. Oswald and Lowell Ahart 1998-9-8 9593 Modoc ca. 0.5 mi. air n.e. Lookout Junction (County Rd. 95 at Taylor Creek n.w. of Lookout) 1280 Comment
  CAS-BOT-BC179226  Scutellaria nana John Thomas Howell 1934-6-30 12257 Modoc Duncan Horse Camp. 1355 Comment
  HSC81095  Scutellaria nana G. M. Riegel 1980-7-29 971 Modoc S Warner Mtns. 1739 Comment
  UC71618  Scutellaria nana Mrs. M. H. Manning 1903-6-8 166 Modoc Mount Bidwell 1828 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
  CAS-BOT-BC95607  Sedum lanceolatum Bruce Bartholomew 1990-8-4 5649 Modoc Ridge N of Irons Lake, along Owl Creek Trail, E side of Warner Mts. 2470 Comment
  CHSC113986  Sedum stenopetalum L. P. Janeway 2014-7-7 11450 Modoc Warner Mountains. North-facing slope along Road 46N25 along Mill Creek, 1.0 km from Bidwell Creek; 5.2 air-km northwest of Fort Bidwell. 1554 Comment
  CHSC12431  Sedum stenopetalum Robert W. Severin 1969-7-5 51 Modoc 3 mi w of Patterson Lake in Warner Mountains. 1828 Comment
  JEPS26920  Sedum stenopetalum Wayne Roderick May 1961 966 Modoc Cedar Pass Warner Mtns, Cedar Pass (Warner Mtns on s side of hiway just e of summit) 1889 Comment
  SEINET8552536  Sedum stenopetalum M. J. Williams 1962-7-8 s.n. Modoc N of Cedar Pass. 2134 Comment
  CAS-BOT-BC498757  Senecio L. S. Smith 1924-6-8 1381 Modoc Modoc Forest. South side, Egg Lake and elsewhere Comment
  CAS-BOT-BC50336  Senecio aronicoides Bruce Bartholomew 1992-5-14 6277 Modoc SW side of White Horse Mountains, SW of White Horse Flat Reservoir. 1370 Comment
  HSC81125  Senecio aronicoides G. M. Riegel 1980-6-25 769 Modoc South Warner Mtns. 2100 Comment
  UC831911  Senecio aronicoides C. L. Hitchcock 1940-5-27 6711 Modoc 15 mi ne Alturas 1615 Comment
  SEINET191900  Senecio canus Mrs. H. C. Cantelow 1940-6-2 Modoc 4 miles west of Alturas Comment
  POM36762  Senecio eurycephalus Mrs. R. M. Austin 1895-07 560 Modoc Goose Lake Valley. Comment
  CHSC75464  Senecio eurycephalus var. eurycephalus V. H. Oswald; B. Corbin, A. Sanger, G. Schoolcraft 1999-6-12 9768 Modoc East of Alturas on Hwy. 299 3.2 mi east of its junction with Hwy. 395. Adjacent to highway. 1524 Comment
  HSC67901  Senecio fremontii J. P. Smith, J. O. Sawyer 1973-8-8 7219 Modoc Near summit of Eagle Peak 2988 Comment
  CHSC67086  Senecio hydrophiloides James D. Jokerst 1987-5-12 2840 Modoc Radar Survey Site S of Doublehead Mtn., N end of central sector. 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
  CAS-BOT-BC50295  Senecio integerrimus var. exaltatus Clare Butterworth Hardham 1961-6-18 7588 Modoc Cedar Pass. 1828 Comment
  UC748075  Senecio integerrimus var. exaltatus Annie M. Alexander and Louise Kellogg 1946-6-5 4671 Modoc s of Eagleville; Warner Mountains, Emerson Creek 1828 Comment
  JEPS37286  Senecio integerrimus var. exaltatus N. T. Mirov 1929-6-22 Modoc near Fort Bidwell (e slope of Warner Mountains); Warner Mountains 2286 Comment
  JEPS5943  Senecio serra var. serra Frances D. Payne 1932-7-22 745 Modoc s and e of Alturas; Warner Mountains, Parker Creek 1584 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
  NY847589  Sibbaldia procumbens B. M. Bartholomew 1991-8-6 6080 Modoc N Emerson Lake, east side of Warner Mountains 2370 Comment
  UCD116654  Sidalcea glaucescens Verne Grant; Irving Schneider 1947-7-22 8144 Modoc north fork of Pit River on Highway 395, about one mile north of junction with Cedarville Road. Comment
  CAS-BOT-BC179072  Sidalcea oregana subsp. oregana Roxana Stinchfield Ferris; R. Duthie 1919-6-15 97 Modoc Above Parker Creek, 1.5 mi. above Modoc Nat. Forest Boundary. 1981 Comment
  CAS-BOT-BC179081  Sidalcea oregana subsp. oregana John H. Hatton 1911-6-13 78 Modoc Modoc County. 1371 Comment
  JEPS67256  Sidalcea oregana subsp. oregana Frances D. Payne 1931-6-17 166 Modoc s and e Alturas (Parker Creek); Warner Mountains, , s and e of Alturas 1584 Comment
  UC201725  Sidalcea oregana subsp. oregana W. P. Taylor and H. C. Bryant 1910-6-11 Modoc Alturas Warner Mountains, , Alturas (S Fork Pitt R) 1402 Comment
  POM98592  Sidalcea oregana subsp. oregana F. W. Peirson 1926-6-25 6867 Modoc Cedarville Road, Warner Mts. Comment
  CAS-BOT-BC179057  Sidalcea oregana subsp. spicata Annie Montague Alexander; L. Kellogg 1946-7-18 5024 Modoc Benton Meadow. 2072 Comment
  NY446681  Silene dichotoma B. M. Bartholomew 1990-7-20 5489 Modoc 10.3 km north of Buck Creek Ranger Station, crest of Warner Mountains on the west side of Warner Mountains 2130 Comment
  UC748473  Silene douglasii Annie M. Alexander and Louise Kellogg 1946-8-9 5128 Modoc Patterson Lake Trail Warner Mountains, Patterson Lake Trail Comment
  JEPS50878  Silene douglasii Frances D. Payne 1933-8-6 775 Modoc 2 mi sw Warren Mt. (southwestern Modoc County); Pine Creek Basin, sw of Warren Mt. 2316 Comment
  CAS-BOT-BC95249  Silene douglasii var. douglasii Alice Eastwood; John Thomas Howell 1940-6-13 8140 Modoc Fandango Pass. Comment
  NY452568  Silene lemmonii J. T. Howell 1934-6-11 11958 Modoc Parker Creek, Warner Mountains 1585.0 Comment
  JEPS121196  Silene nuda Lowell Ahart, John Dittes 2013-7-25 18954 Modoc About 30 yards S 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
  CHSC117365  Sisymbrium altissimum Lowell Ahart; John Dittes 2016-7-14 21180 Modoc West side of a new pond, south of Ash Creek Canal (now filled in), south of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. 1273 Comment
  RSA518561  Sisymbrium altissimum George K. Helmkamp 1990-9-23 I- 18 Modoc Drying mud flats beside Goose Lake, within 0.1 mile of the Oregon border 1372 Comment
  CAS-BOT-BC95044  Sisymbrium altissimum Gordon H. True 1964-6-3 1452 Modoc South Fork Pit River between Alturas and Goose Lake. 1463 Comment
  CAS-BOT-BC245085  Sisyrinchium idahoense var. idahoense Bruce Bartholomew 1994-5-29 6739 Modoc SE of Egg Lake on Forest Service road 42N15. 1260 Comment
  SEINET3130370  Sitanion jubatum Baker, Nutting 1900-7-2 sn Modoc Egg Lake Comment
  JEPS942  Sium suave W. L. Jepson 1918-8-5 7824 Modoc South Fork Pitt River, South Fork Valley South Fork Pitt River; , South Fork Valley 1371 Comment
  UC71734  Smilacina racemosa Mrs. M. H. Manning Aug 22 1903-Jul 9 1904 135 Modoc Cottonwood Pass; ne Modoc Co. Comment
  HSC65391  Solanum triflorum Thomas Wood 1979-8-8 222 Modoc About 1.2 mi. S and then shortly W of Ft. Bidwell, along Hwy. 1 1372 Comment
  UC1191777  Solanum triflorum Verne Grant, Irving Schneider 1947-8-27 8319 Modoc sw end of Clear Lake Clear Lake Comment
  CAS-BOT-BC245437  Solanum umbelliferum Bruce Bartholomew; Barrett Anderson 1988-6-23 4260 Modoc 1.8 km WSW of Day on County Road 94. 1170 Comment
  CAS-BOT-BC54288  Solidago canadensis subsp. elongata Annie Montague Alexander; L. Kellogg 1946-7-12 4985 Modoc Twelve Mile Creek, NE corner of county Comment
  JEPS32388  Solidago elongata L. S. Smith 1918-8-11 1022 Modoc Camp One T38.16 Modoc National Forest, Camp One T38.16 2438 Comment
  UC672224  Solidago elongata F. H. Frost 1925-7-24 118 Modoc Jess Valley , Jess Valley (Warner Mts.) Comment
  UC36236  Solidago elongata Milo S. Baker 1893-6 Modoc Comment
  UC71565  Solidago velutina subsp. californica Mrs. M. H. Manning 1903-6 246 Modoc near Fort Bidwell (north-eastern Modoc County) Comment
  CHSC118797  Solidago velutina subsp. sparsiflora L. P. Janeway 2015-8-9 11825 Modoc Warner Mountains. On the south side of a knoll on the west side of Road 39N06 2.2 road-km north of Road 64 (39N01 - the road to Patterson campground); 5.8 air-km north-northeast of Blue Lake. 2170 Comment
  CHSC117361  Sonchus asper subsp. asper Lowell Ahart; John Dittes 2016-7-14 21157 Modoc West side of a new pond, south of Ash Creek Canal (now filled in), south of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. 1273 Comment
  RSA210797  Sparganium angustifolium subsp. emersum Robert F. Thorne, James Henrickson, C. W. Tilforth 1969-9-4 39096 Modoc N Fork of Pit River 3.4 mi N of Alturas where crossed by Highway 395. 1341 Comment
  RSA252436  Sparganium angustifolium subsp. emersum Robert F. Thorne, C. W. Tilforth 1969-9-5 39149 Modoc Along South Fork of Pit River ca. 7 miles east of Likely. 1433 Comment
  CAS-BOT-BC242253  Sparganium emersum Bruce Bartholomew 1995-7-30 7072 Modoc Drainage from Taylor Reservoir just E of junction of County roads 93 and 94. 1260 Comment
  CAS-BOT-BC242300  Sparganium emersum Louis Cutter Wheeler 1935-8-3 3761 Modoc Pine Creek, Warner Mts. 1737 Comment
  CHSC116089  Sparganium emersum Lowell Ahart; John Dittes 2015-7-15 20347 Modoc On the east side of Elkins Lane, about 100 yards northeast of the Parking Area, northwest of the old barn, Ash Creek State Wildlife Area, about 3.9 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  CAS-BOT-BC54293  Sphaeromeria potentilloides var. potentilloides Harry Dwight Dillon Ripley; Rupert Charles Barneby 1944-5-30 5984 Modoc N of Likely. Comment
  JEPS920  Sphenosciadium capitellatum L. S. Smith 1918-7-15 998 Modoc Mill Cr. Corral , Mill Cr. Corral (Modoc Forest) Comment
  UC71760  Sphenosciadium capitellatum Mrs. M. H. Manning August, 1903 199 Modoc Mill Canyon; north-eastern Modoc County Comment
  UC13092  Spiraea douglasii Milo S. Baker 1893-7-12 Modoc Comment
  CDA39504  Spiranthes porrifolia G. D. Barbe, John Kelley 1988-7-2 4302 Modoc Modoc National Wildlife Refuge, southeast of Alturas. 0 Comment
  UC4844  Spiranthes porrifolia Milo S. Baker 1893-8-13 Modoc Comment
  CAS-BOT-BC245023  Spirodela polyrhiza Ellsworth Bethel 1923-4-24 s.n. Modoc Adin. Comment
  UCLA70790  Stachys ajugoides var. rigida Milo S. Baker 1893-7-25 Modoc Egg Lake Comment
  UC1191923  Stachys palustris subsp. pilosa Verne Grant, Irving Schneider 1947-7-18 8046 Modoc 5 mi n Bayley's Bridge (Eastside Canal, s of Alturas) Comment
  CAS-BOT-BC179207  Stachys pilosa Francis D. Payne 1931-6-17 183 Modoc Parker Creek. 1584 Comment
  CAS-BOT-BC179214  Stachys pilosa M. Vasey 1990-6-30 9032 Modoc Near Lava Camp (end of road), Egg Lake. 1300 Comment
  CHSC106205  Stachys pilosa Lowell Ahart; John Dittes 2010-8-31 17127 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
  UC1028657  Stellaria calycantha Robert J. Weatherby 1955-7-8 1618 Modoc 7 mi n Ft. Bidwell; Warner Mts. 1874 Comment
  CAS-BOT-BC95287  Stellaria longipes Bruce Bartholomew 1992-5-16 6324 Modoc Lunsford Spring. 1600 Comment
  CAS-BOT-BC95295  Stellaria longipes var. longipes Verne Grant; I. Schneider 1947-8-24 8252 Modoc Jess Valley. Comment
  NY453086  Stellaria umbellata R. J. Weatherby 1955-7-8 1618 Modoc 7 miles north of Fort Bidwell, Warner Mountains. 1874.5 Comment
  RSA101365  Stellaria umbellata R. Weatherby 1955-7-8 1618 Modoc 7 miles north of Ft. Bidwell, northern Warner Mts. 1875 Comment
  CAS-BOT-BC54251  Stenotus acaulis Leland S. Smith 1917-7-17 83 Modoc Head of Shield Creek. 2133 Comment
  POM260354  Stenotus acaulis C. L. Hitchcock 1940-5-27 6668 Modoc 15 miles northeast of Alturas. 1616 Comment
  UC71687  Stenotus acaulis Mrs. M. H. Manning 1904-8-17 357 Modoc Mt. Bidwell Comment
  CAS-BOT-BC54259  Stenotus stenophyllus Bruce Bartholomew; Barrett Anderson 1989-4-28 4659 Modoc S end of Dead Horse Reservoir and ca. 6 km SW of the S end of Goose Lake. 1520 Comment
  UC35791  Stephanomeria lactucina M. S. Baker and Frank Nutting 1894-8-30 Modoc Big Valley Mts. Comment
  CAS-BOT-BC54266  Stephanomeria spinosa Elmer Ivan Applegate 1932-7-6 8192 Modoc Eagleville, Surprise Valley, E base of Warner Mountains Comment
  SEINET10893284  Stipa lettermanii Louis C. Wheeler 1935-8-3 Wheeler 3752 Modoc Dry semi-sunny timbered E slope; Dismal Swamp, Twenty Mile Creek, Warner Mts. 2225 Comment
  UCR34680  Stipa nevadensis J. A. Harpel 1981-8-6 V 12 Modoc Warner Mtns, South Warner Wilderness Area: E end of Patterson Lake, 7 mi NW of Eagleville 2744 Comment
  HSC66167  Stipa pinetorum J. P. Smith, J. O. Sawyer 1973-8-8 7215 Modoc Near summit of Eagle Peak 2988 Comment
  UC1075762  Streptanthus cordatus Robert J. Weatherby 1955-7-8 1628 Modoc 6 mi n Ft. Bidwell; Warner Mts. 1645 Comment
  UCD164169  Streptanthus cordatus N. Ivalu Cacho; Sharon Y. Strauss, Bryan T. Drew 2010-7-7 IC-SS 135 - Modoc Warner Mtns: Warren Peak, just S of intersection of Summit and Pine Creek trails. Alpine vegetation; volcanic soil. 2740 Comment
  UC1492722  Streptanthus cordatus Freed W. Hoffman 1955-7-14 4064 Modoc s side of road on roadcut 6 mi e junction of highways 395 and 8A; Modoc National Forest 1524 Comment
  CAS-BOT-BC95058  Streptanthus cordatus var. cordatus Leland S. Smith 1918-6-22 965 Modoc Pine Creek, Lily Lake. 1981 Comment
  CAS-BOT-BC95065  Streptanthus cordatus var. cordatus Louis Cutter Wheeler 1935-8-14 3842 Modoc Pine Creek, Warner Mts. 2011 Comment
  JEPS111376  Streptanthus cordatus var. cordatus Dean Wm. Taylor, Glenn Clifton 11162 Modoc Cedar Pass, northerly slopes of Peak 7298 2151 Comment
  CAS-BOT-BC242162  Streptopus amplexifolius var. americanus Bruce Bartholomew 1989-8-11 5065 Modoc Along Lassen Creek near SE side of Harris Flat, Warner Mountains. 1920 Comment
  POM208868  Stuckenia pectinata Milo S. Baker 1899-8-24 s.n. Modoc In Pit River at lookout. Comment
  POM313008  Stuckenia pectinata Verne Grant, Irving Schneider 1947-7-19 8085 Modoc Irrigation ditch south of Williams ranch house, north of Likely. Comment
  UCD138335  Stuckenia striata Robert F. Thorne; J. Henrickson, C. W. Tilforth 1969-9-4 39084 Modoc east shore of Goose Lake at Willow Ranch. 1432 Comment
  UCD99570  Suaeda calceoliformis H. D. Sylvester 1929-10-1 s.n. Modoc Exact location unknown. Comment
  CAS-BOT-BC180102  Swertia albicaulis var. albicaulis John Thomas Howell 1934-6-12 11990 Modoc 9 mi. S of Davis Creek. Comment
  CAS-BOT-BC180112  Swertia albicaulis var. albicaulis Bruce Bartholomew 1991-6-20 5776 Modoc Junction of county roads 87 and 90. 1220 Comment
  JEPS46351  Swertia albicaulis var. albicaulis L. S. Smith 1920-6-11 1165 Modoc Badger Spring Warner Mts., Happy Camp District Comment
  UC615249  Swertia radiata Beryl O. Schreiber 1934-6-10 1177 Modoc Lost Lake Warner Mountains Comment
  CAS-BOT-BC95196  Symphoricarpos rotundifolius var. rotundifolius John H. Hatton 1911-6-20 123 Modoc Modoc County. 1524 Comment
  HSC80926  Symphoricarpos rotundifolius var. rotundifolius G. M. Riegel 1979-6-30 448 Modoc S Warner Mtns. 1670 Comment
  UC86734  Symphyotrichum ascendens Mrs. R. M. Austin 1883-9-1 286 Modoc Comment
  UC912524  Symphyotrichum bracteolatum F. H. Frost 1925-7-25 161 Modoc Eagle Peak Warner Mts. Comment
  JEPS121187  Symphyotrichum campestre Lowell Ahart, John Dittes 2013-7-25 18950 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
  CAS-BOT-BC15222  Symphyotrichum eatonii Verne Grant; I. Schneider 1947-7-22 8156 Modoc Headwaters of North Fork of Pit River, one mile northwest of Highway 395 on dirt road leading to S end of Goose Lake Comment
  HSC5053  Symphyotrichum foliaceum M. S. Baker 1898-1 Modoc Forestdale Comment
  JEPS40757  Symphyotrichum foliaceum W. L. Jepson 1918-8-11 7942 a Modoc Jess Valley 1584 Comment
  UC71698  Symphyotrichum foliaceum Mrs. M. H. Manning 1903-8-25 272 Modoc Mt. Bidwell, ne Modoc Co Mt. Bidwell Comment
  CAS-BOT-BC15223  Symphyotrichum foliaceum var. parryi Annie Montague Alexander; L. Kellogg 1946-8-9 5145 Modoc Patterson Lake Trail, Warner Mountains Comment
  UC1192080  Symphyotrichum frondosum Herbert L. Mason 1947-8-11 13487 Modoc Kelley Hot Springs, on Alturas-Conby highway Comment
  UCD14408  Symphyotrichum frondosum Sheryl Gill 1996-9-3 s.n. Modoc At the Tule Lake National Wildlife Refuge - 'Frey's Island' Sites D, E, and F; in the south-east part of the refuge in southern sump; 'Captain Jack's Stronghold' GS map quad. 1229 Comment
  UC71700  Symphyotrichum frondosum Mrs. M. H. Manning 1902-9-1 17 B Modoc Comment
  UC748098  Symphyotrichum spathulatum Annie M. Alexander and Louise Kellogg 1946-7-13 4991 Modoc Cowhead Lake Comment
  JEPS5931  Symphyotrichum spathulatum Frances D. Payne 1931-7-18 339 Modoc s and e of, (Parker Creek) Alturas; Warner Mountains, Parker Creek 1584 Comment
  CAS-BOT-BC232359  Synthyris missurica Annie Montague Alexander; L. Kellogg 1946-7-14 5067 Modoc Trail to Emerson Camp, Bear Camp Flat. Comment
  CAS-BOT-BC232364  Synthyris missurica Elmer Ivan Applegate 1932-8-2 8089 Modoc Mill Creek Meadow. Comment
  CAS-BOT-BC232367  Synthyris missurica Bruce Bartholomew 1990-6-16 5260 Modoc W side of Pine Creek Basin, Warner Mountains. 2200 Comment
  CAS-BOT-BC376838  Tanacetum vulgare Frances D. Payne 1935-8-25 811 Modoc Parker Creek 1584 Comment
  CAS-BOT-BC54226  Taraxacum officinale Bruce Bartholomew; Mona Bourell 1990-4-27 5188 Modoc Near SW corner of Big Sage Reservoir, 13.5 km NW of Hwy 299 on Crowder Flat Rd. 1510 Comment
  RSA185421  Taraxacum officinale Clare B. Hardham 1961-6-20 7883 Modoc Near Mt Bidwell. 2439 Comment
  UC615051  Taraxia subacaulis Beryl O. Schreiber 1934-6-10 1164 Modoc Lost Lake Warner Mountains Comment
  SJSU13874  Taraxia tanacetifolia N. A. Hopkins 1985-5-13 1268 Modoc by Hwy 395 c. 30 mi S of Alturas Comment
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Mar 25 2016
  UC1191748  Taraxia tanacetifolia Herbert L. Mason and Verne Grant 1947-7-10 13327 Modoc 2 mi e Alturas; Dorris Reservoir Comment
  JEPS31731  Taraxia tanacetifolia L. S. Smith 1918-5-16 926 Modoc w of Alturas (Centerville Road); Modoc Forest 1524 Comment
  SDSU2047  Taxus brevifolia L. N. Harvey 1929-9-1 572 Modoc Comment
  CAS-BOT-BC54230  Tetradymia canescens E. S. Willits 1939-10-10 159 Modoc Surprise Valley. Comment
  HSC81115  Tetradymia canescens G. M. Riegel 1980-7-14 879 Modoc S Warner Mtns. 1739 Comment
  UC748136  Tetradymia canescens Annie M. Alexander and Louise Kellogg 1946-7-7 4940 Modoc Eight Mile Creek, ne corner of county Eight Mile Creek 1752 Comment
  UC91586  Tetradymia canescens Mrs. R. M. Austin Sept 1894 265 Modoc near Alturas Comment
  UC449667  Tetradymia canescens M. F. Gilman 619 Modoc mountains 1981 Comment
  JEPS86339  Thalictrum fendleri Jack and Betty Guggolz 1988-6-28 954 Modoc w Jenkins Spring Comment
  POM260443  Thalictrum occidentale var. palousense C. L. Hitchcock 1940-5-27 6704 a Modoc 15 miles northeast of Alturas. 1616 Comment
  NY215470  Thelypodium flexuosum B. M. Bartholomew 1991-5-24 5696 Modoc Surprise Valley, 5.1 km E of Eagleville. 1370 Comment
  NY215490  Thelypodium flexuosum B. M. Bartholomew 1989-4-29 4704 Modoc Sand Creek, E side of Surprise Valley, ca 10 km E of Cedarville. 426.7 Comment
  SJSU9671  Thelypodium howellii subsp. howellii W. Savage 1979-7-10 1518 Modoc Bowles Meadow, Devils Garden District, Modoc National Forest 1493 Comment
  CAS-BOT-BC95081  Thelypodium milleflorum Bruce Bartholomew 1994-5-15 6690 Modoc E of Eagleville near the Eagleville Airport, Surprize Valley. 1380 Comment
  CAS-BOT-BC181794  Thermopsis californica var. argentata Leland S. Smith 1920-6-17 5 A Modoc N end of Egg Lake. 1310 Comment
  CHSC99967  Thermopsis californica var. argentata Lowell Ahart; John Dittes 2008-8-26 15333 Modoc On the sides of an unnamed road, 200 feet east of intersection with County Road 85a, 9.3 miles (air) north-northeast of Lookout. 1276 Comment
  RSA520432  Thermopsis californica var. argentata Bruce Bartholomew, B. Anderson 1990-4-26 5160 Modoc 1.1km NW of Day. 1080 Comment
  SEINET7419298  Thermopsis gracilis M. S. Baker 1893-1 s.n. Modoc Forestdale Comment
  SEINET8263329  Thinopyrum intermedium Richard R. Halse 2006-8-3 6993 Modoc Modoc National Forest, Patterson Station Campground, ca. 15 air miles east of Likely, south end of the Warner Mountains. 2109 Comment
  JEPS114352  Thlaspi arvense Lowell Ahart, John Dittes 2008-6-21 15004 Modoc About 30 yards west of the levee, along a deep natural drainage, open meadow area, in Big Valley, about 3.6 miles (air) northeast of the Headquarters at Ash Creek State Wildlife Area, about 6.4 miles (air) northeast of Bieber 1269 Comment
  CDA3891  Thlaspi arvense T. C. Fuller 1958-7-8 1936 Modoc Corporation Ranch, Likely. 0 Comment
  UCD115580  Thlaspi arvense P. B. Kennedy 1917-1 s.n. Modoc Adin. Comment
  RSA0057565  Thysanocarpus curvipes var. elegans Bruce Bartholomew, B. Anderson 1988-6-23 4229 Modoc 2.1 km SSE of Day on the road to State Highway 299. 1020 Comment
  CAS-BOT-BC58774  Tiquilia nuttallii Bruce Bartholomew 1990-6-17 5317 Modoc Surprise Valley, 6.8 km W of Eagleville. 1390 Comment
  CAS-BOT-BC252539  Torreyochloa pallida var. pauciflora Leland S. Smith 1918-7-11 988 Modoc Mill Creek Meadow. 2072 Comment
  RSA603008  Torreyochloa pallida var. pauciflora L. C. Wheeler 1935-10-5 4020 Modoc N Fork Pit River at Parker Creek. 1372 Comment
  UCD93193  Torreyochloa pallida var. pauciflora August L. Hormay 1932-7-17 s.n. Modoc Lily Lake. Comment
  UCD149853  Toxicoscordion paniculatum William Anderson 1965-6-3 s.n. Modoc Davis Creek. Comment
  UC1025098  Trichostema oblongum Leo Whitney 1934-5-24 1620 Modoc near Hockamore; Modoc National Forest 1463 Comment
  HSC41112  Trichostema simulatum Thomas W. Nelson, Jane P. Nelson, James Nelson 1976-8-29 3259 Modoc Modoc National Forest: along Hwy. 299 just NW of Adin Pass 1524 Comment
  CAS-BOT-BC181789  Trifolium beckwithii Elmer Ivan Applegate 1897-6-1 868 Modoc Alturas. Comment
  CAS-BOT-BC181788  Trifolium cyathiferum Bruce Bartholomew; Barrett Anderson 1988-7-22 4517 Modoc SE side of Sunflower Knob, southern end of the Warner Mts.. 2160 Comment
  HSC28323  Trifolium eriocephalum D. H. Norris, T. Nelson, S. Dowty 1971-6-23 19517 Modoc Big Valley Summit, 6 mi. W of Adin on Hwy. 299 Comment
  JEPS66052  Trifolium kingii var. productum Leland S. Smith 1918-6-23 857 Modoc vicinity Modoc Forest (High Grade) Comment
  CAS-BOT-BC181743  Trifolium longipes Bruce Bartholomew 1991-8-5 6043 Modoc Squaw Peak Trail on N side of Squaw Peak, E side of Warner Mts. 2420 Comment
  CHSC117016  Trifolium longipes subsp. multipedunculatum Lowell Ahart; John Dittes 2016-6-6 20957 Modoc About 100 yards east of the Parking Area, about one mile south of the intersection of County Road 87 and Access Road to Pilot Butte Parking Area, 3.8 miles (air) east of Lookout, 7.5 miles (air) west of Adin, Ash Creek State Wildlife Area. 1271 Comment
  CAS-BOT-BC180175  Trifolium macrocephalum Bruce Bartholomew; Mona Bourell 1990-4-27 5174 Modoc NW side of Rice Flat, ca. 2 km S of Adin Pass. 1540 Comment
  UCR87512  Trifolium macrocephalum George K. Helmkamp, E. A. Helmkamp 1993-5-4 s.n. Modoc 25.6 miles NW of Canby along Calif. Hwy 139 1280 Comment
  CAS-BOT-BC181726  Trifolium macrocephalum Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-14 16476 Modoc N of Davis Creek at junction of Sugar Hill Lookout road and one to Ft. Bidwell. Comment
  JEPS50701  Trifolium macrocephalum Wayne Roderick 1963-6-9 Modoc In the Warner Mountains, north of campground on east side of Cedar Pass. About 1 mi (by bad road) up to collection site. Comment
  RSA520478  Trifolium macrocephalum Bruce Bartholomew, B. Anderson 4650 Modoc 8.8 km N of State Highway 299 on road to Raker and Thomas Reservoir. 1470 Comment
  RSA60362  Trifolium microcephalum E. K. Balls 1950-5-10 15963 Modoc 0.5 miles past fork of 395 and road to Cedarville, from Alturas. 1585 Comment
  UC555480  Trifolium pratense F. H. Frost 1925-7-24 126 Modoc Jess Valley Warner Mtns Comment
  CAS-BOT-BC181755  Trifolium productum Elmer Ivan Applegate 1932-8-5 8173 Modoc Cedar Mountain, Warner Mts. Comment
  CAS-BOT-BC181761  Trifolium productum Elmer Ivan Applegate 1932-8-1 8022 Modoc High summit of Warner Mts. just S of Warren Peak. Comment
  RSA504657  Trifolium productum Bruce Bartholomew, B. Anderson 4582 Modoc Dismal Swamp, Warner Mountains. 2180 Comment
  HSC15136  Trifolium repens M. T. Milligan 1965-6-23 285 Modoc N end of Jess Valley 1616 Comment
  HSC15169  Trifolium repens M. T. Milligan 1966-8-12 652 Modoc North end of Jess Valley 1616 Comment
  UC165600  Trifolium willdenovii Mrs. M. H. Manning 1903-1 228 Modoc near Fort Bidwell Comment
  JEPS127159  Trifolium wormskioldii Lowell Ahart, John Dittes 2016-7-16 21242 Modoc South of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.75 miles (air) west of Adin, Big Valley. Comment
  JEPS66101  Trifolium wormskioldii Frances D. Payne 1931-6-17 170 Modoc se Alturas (Parker Creek); Warner Mtns 1584 Comment
  UCD109913  Trifolium wormskioldii Beecher Crampton; with Carl Rimbey 1954-7-8 2169 Modoc Warner mountains, 15 miles east of Likely. Floor of Jess Valley. Comment
  JEPS101254  Triglochin maritima Dean W. Taylor 1989-8-4 10427 Modoc Suprise Valley; between Middle Lake and Lower Lake, ca. 2.5 mi N of Eagleville 1231 Comment
  UC71582  Triglochin maritima Mrs. M. H. Manning 1893-2 146 Modoc ne Modoc Co. Camass Meadows Comment
  CAS-BOT-BC252538  Trisetum canescens Leland S. Smith 1917-7-24 113 Modoc Upper end of Joseph Creek. 1828 Comment
  UC1024936  Trisetum canescens Leo Whitney 1935-7-1 3339 Modoc near Hackamore (ca 15 mi nw of Canby); Modoc National Forest, Spaulding's Butte 1463 Comment