Search Results — 2000 specimen records retrieved (1520 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/cch_archive/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC73501  Abies concolor John Thomas Howell 1934-6-14 12180 Modoc Patterson Mill Road, Warner Mts. Comment
  CAS-BOT-BC73549  Abies concolor Francis D. Payne 1932-6-12 540 Modoc Dry Creek Canyon, Warner Mts. 1645 Comment
  CAS-BOT-BC15668  Achillea millefolium John H. Hatton 1911-6-13 84 Modoc Modoc County. 1371 Comment
  CHSC100359  Achillea millefolium Lowell Ahart; John Dittes 2008-8-25 15317 Modoc On the east bank (flood plain) of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-notheast of Lookout. 1273 Comment
  CAS-BOT-BC242289  Achnatherum R. K. Gierisch; D. H. Esplin 1969-7-15 3545 Modoc Modoc County. Comment
  JEPS126500  Achnatherum hymenoides Jennifer Mueller July 1-25, 2016 CA 370 -230 Modoc Take county road 27 up Granger Canyon. Comment
  UC1024716  Achnatherum lemmonii Leo Whitney 1935-5-20 3096 Modoc near Spaulding's Butte (Hackamore, ca. 15 mi nw of Canby); Modoc National Forest, Hackamore 1463 Comment
  UC1024860  Achnatherum lemmonii Leo Whitney 1935-6-1 3170 Modoc 1 mi sw White Horse Comment
  UC1025048  Achnatherum lemmonii Leo Whitney 1935-8-3 3610 Modoc Buck Creek plot Buck Creek 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
  UCD50499  Achnatherum lemmonii R. Tofsrud 1947-7-1 245 Modoc Between Canby and Adin, Modoc County. Comment
  UCD50502  Achnatherum lemmonii L. Whitney 1935-6-9 3210 b Modoc White Horse. Modoc County. Comment
  UCD50712  Achnatherum lemmonii L. Whitney 1935-5-15 s.n. Modoc Near Alturas. Comment
  UC1024992  Achnatherum occidentale subsp. occidentale Leo Whitney 1935-7-11 3456 Modoc 4 mi e Medicine Lake (Glass Mountain); Glass Mountain Comment
  UC1037183  Achnatherum occidentale subsp. occidentale Leo Whitney 1935-8-9 3602 Modoc 17 mi nw Canby (Badger Wells; USBE Plot-- MC--8) Comment
  UCD23584  Achnatherum occidentale subsp. pubescens L. Whitney 1935-6-9 3206 Modoc White Horse. Comment
  CAS-BOT-BC242312  Achnatherum thurberianum Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16438 Modoc 4 mi. E of summit of Cedar Pass along Cedar Pass road. Comment
  SEINET235271  Achnatherum thurberianum Mike Dolan 1980-10-19 Modoc unspecified 1341 Comment
  UC1024924  Achnatherum thurberianum Leo Whitney 1935-6-30 3354 Modoc open flat near Hackamore (ca. 15 mi nw of Canby); Modoc National Forest 1463 Comment
  UC1037189  Achnatherum thurberianum Leo Whitney 1935-7-28 3555 Modoc near Clear Lake Comment
  CHSC117501  Acmispon denticulatus Lowell Ahart; John Dittes 2016-7-14 21170 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
  CAS-BOT-BC218317  Actaea rubra Bruce Bartholomew 1989-7-14 4972 Modoc Cedar Spring. 1480 Comment
  UC8852  Actaea rubra Milo S. Baker 1893-6 Modoc Comment
  CAS-BOT-BC15643  Adenocaulon bicolor Bruce Bartholomew 1994-7-3 6830 Modoc 4 km E of U.S. Hwy 395 on road to Lily Lake, W side of Warner Mountains. 1610 Comment
  UC71685  Adenocaulon bicolor Mrs. M. H. Manning 1904-8-26 312 Modoc Mill Canon; northeast Modoc County Comment
  CHSC116076  Adonis aestivalis Lowell Ahart; John Dittes 2015-7-16 20388 Modoc North edge of Assh Creek (destroyed), southeast of gravel pit (destroyed), about 1/8 mile east of parking area on east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  UC1587034  Adonis aestivalis G. Schoolcraft 1991-6-18 2166 Modoc about 1.5 mi w of Canby (n of Highway 299) 1328 Comment
  UCR248240  Adonis aestivalis CDFA Staff 1978-1 s.n. Modoc One mi east of Canby. 1310 Comment
  SJSU6080  Agastache parvifolia J. W. Tilden 1958-6-25 1264 Modoc near Monument Headquarters, Lava Beds National Monument Comment
  CAS-BOT-BC179883  Agastache urticifolia Annie Montague Alexander; L. Kellogg 1946-7-11 4963 Modoc Eight Mile Creek. Comment
  RSA534711  Agastache urticifolia Bruce Bartholomew 1991-7-6 5979 Modoc Curtis Waterhole and adjacent lava outcrops. 399 Comment
  RSA531340  Ageratina occidentalis Bruce Bartholomew 1989-8-12 5108 Modoc S end of Coyote Creek, ca. 1.5 km SW of Sunflower Knob, S end of Warner Mountains 2040 Comment
  UC711871  Agoseris X dasycarpa Roxana S. Ferris and Laura Lorraine 1941-8-14 10576 Modoc 3 mi from, on rd to Eagleville Patterson Ranger Station; Modoc National Forest, Warner Mountains Comment
  CAS-BOT-BC15523  Agoseris X dasycarpa Bruce Bartholomew; B. Anderson 1988-7-22 4492 Modoc Vicinity of East Creek Trailhead, southern end of Warner Mountains 2210 Comment
  RSA608594  Agoseris glauca var. dasycephala L. C. Wheeler 1935-8-16 3885 Modoc Warner Mountains: Dismal Swamp, Twenty Mile Creek. 2226 Comment
  CAS-BOT-BC23035  Agoseris grandiflora var. grandiflora John Thomas Howell 1934-6-13 12079 A Modoc Fandango Pass, Warner Mts. 1828 Comment
  UC29346  Agoseris grandiflora var. grandiflora M. S. Baker and Frank Nutting 1894-6-29 Modoc near Lookout (Big Valley); Big Valley Comment
  CAS-BOT-BC15276  Agoseris heterophylla John Thomas Howell 1934-6-12 12013 Modoc Between Davis Creek and Plum Valley Comment
  CAS-BOT-BC13177  Agoseris monticola Bruce Bartholomew 1990-8-4 5629 Modoc Slope on N side of Pine Creek Basin on trail to Patterson Lake, W side of Warner Mountains 2610 Comment
  JEPS36224  Agoseris monticola W. L. Jepson 1918-8-13 7970 Modoc Eagle Peak Warner Mts., Eagle Peak 3017 Comment
  POM260056  Agoseris parviflora C. L. Hitchcock 1940-5-27 6707 Modoc 15 miles NE of Alturas. 1677 Comment
  UC1332115  Agoseris parviflora Alice Eastwood and John Thomas Howell 1940-6-11 8029 Modoc 8 mi from, on rd to Alturas Canby Comment
  UC449593  Agoseris parviflora M. F. Gilman 629 Modoc Comment
  CAS-BOT-BC15603  Agoseris retrorsa Bruce Bartholomew 1993-6-12 6579 Modoc Road to Day Rock from Little Hot Spring Valley. 1250 Comment
  CAS-BOT-BC242303  Agropyron cristatum James D. Jokerst 1983-7-27 1914 Modoc Near Signal Butte. 1248 Comment
  CHSC85179  Agropyron desertorum John Dittes; Josephine Guardino 1991-7-21 433 Modoc Modoc Plateau; Big Valley; Ash Creek Wildlife Area; ca. 5.7 air-miles northeast of Bieber, ca. 7.6 air-miles west of Adin, ca. 1.5 air-mile southeast of Pilot Butte summit; meadow at northern edge of Ash Creek Floodplain (Big Swamp) at southeast base of Pilot Butte. 1258 Comment
  UC1137134  Agrostis alba August L. Hormay 1932-7-15 Modoc Crowder Ranger Stationi Modoc National Forest, Crowder Ranger Station Comment
  CHSC115606  Agrostis exarata Lowell Ahart; John Dittes 2015-7-16 20394 Modoc North edge of Ash Creek (destroyed),_ southeast of the gravel pit (destroyed), about 1/8 mile east of the parking area on the east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  RSA602586  Agrostis exarata L. C. Wheeler 1935-8-16 3873 Modoc Warner Mountains: Dismal Swamp, Twenty Mile Creek. 2226 Comment
  CHSC112045  Agrostis stolonifera Lowell Ahart; John Dittes 2012-7-10 18323 Modoc On dry soil, along the south side of the drainage, northwest of the old homestead, Ash Creek State Wildlife Area, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  CAS-BOT-BC242417  Agrostis variabilis Bruce Bartholomew; Barrett Anderson 1988-7-23 4576 Modoc Dismal Swamp, Warner Mts.. 2180 Comment
  CAS-BOT-BC190681  Aliciella micromeria Bruce Bartholomew 1995-5-13 6902 Modoc E of Eagleville near Eagleville Airport, S end of Surprize Valley. 1390 Comment
  RSA534554  Aliciella micromeria Bruce Bartholomew 1991-5-24 5695 Modoc Surprise Valley, 5.1 km E of Eagleville 1370 Comment
  UC1036060  Alisma plantago-aquatica Annie M. Alexander and Louise Kellogg 1946-6-3 4906 Modoc Fort Bidwell 1444 Comment
  UC1100157  Alisma plantago-aquatica Herbert L. Mason 1955-8-13 14653 C Modoc s end Goose Lake Comment
  UC1536804  Alisma plantago-aquatica Gordon H. True Jr. 1939-7-21 1939 Modoc n of Canby; Jack Swamp Comment
  CHSC117257  Alisma triviale Lowell Ahart; John Dittes 2016-7-14 21200 Modoc Strand of a new pond, south of Ash Creek Canal (now filled in), south of Ash Creek, Ash Creek State Wild Life Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. 1273 Comment
  RSA210808  Alisma triviale Robert F. Thorne, James Henrickson, C. W. Tilforth 1969-9-4 39088 Modoc N Fork of Pit River 3.4 mi N of Alturas where crossed by Highway 395. 1341 Comment
  RSA0011494  Alisma triviale Robert F. Thorne, Larry E. DeBuhr 1975-8-22 46969 Modoc North edge of Likely along south fork of Pit River 1357 Comment
  CAS-BOT-BC245007  Allium acuminatum Bruce Bartholomew 1990-6-17 5306 Modoc Vicinity of Emerson Camp near roadhead, E side of Warner Mts. 1750 Comment
  HSC2917  Allium acuminatum M. T. Milligan 1965-6-27 379 Modoc N end Jess Valley 1616 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
  RSA164387  Allium acuminatum Clare B. Hardham 1961-6-18 7566 Modoc East side Cedar Pass. 1524 Comment
  RSA249355  Allium acuminatum D. H. Norris, T. Nelson, S. Dowty 1971-6-23 19464 Modoc At Upper Rush Creek Campground about 8 miles north of Adin on Highway 299. 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
  RSA123173  Allium acuminatum R. C. Wilson 1933-6-25 53 Modoc Rush Creek. 1448 Comment
  SEINET3883911  Allium acuminatum D. W. McNeal, R. W. Smith 1995-7-27 4172 Modoc Above Hwy. #299 at Cedar Pass, Warner Mts., Modoc Nat. For.; 0 Comment
  UC3058  Allium amplectens Milo S. Baker 1893-7-24 Modoc Comment
  CAS-BOT-BC244993  Allium bisceptrum var. bisceptrum Bruce Bartholomew 1991-8-6 6091 Modoc S Emerson Trail at stream between S Fork of Emerson Creek and Bearcamp Trail, Warner Mts. 2130 Comment
  JEPS47575  Allium bisceptrum var. bisceptrum L. S. Smith 1920-7-31 1190 Modoc Patterson 2194 Comment
  CHSC85112  Allium lemmonii John Dittes; Josephine Guardino 1991-7-21 427 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
  SEINET3884708  Allium lemmonii D. W. McNeal 1983-6-6 2849 Modoc In a road side depression (vernal pool?) beside Highway #139, 7.4 miles NW of the junction of Highway #299.; 0 Comment
  SEINET3884712  Allium lemmonii Margaret J. Williams 1984-6-28 84- 67 -1 Modoc 2 miles North of intersection between Soldier Creek and Old Cannon Mill roads.; 0 2057 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
  CAS-BOT-BC244961  Allium platycaule K. Paulson; Robert Paulson 1988-5-24 14 Modoc Granger Canyon, Warner Mts.. 1554 Comment
  CAS-BOT-BC244972  Allium platycaule John Thomas Howell 1934-6-11 11920 Modoc Parker Creek. 1584 Comment
  CHSC63942  Allium platycaule Marion Ownbey; Fred G. Meyer 1940-7-1 2145 Modoc Cedar Peak, Warner Mts. Comment
  JEPS47621  Allium platycaule L. S. Smith 1843-1 1123 Modoc near Cedarville; Deep Creek 1828 Comment
  SEINET12048094  Allium platycaule Unknown 1945-1 47 Modoc grown at Pullman, WA, Cedar Pass to Cedar Peak, Warner Mts 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
  SEINET8191571  Allium platycaule M. J. Williams 1983-7-29 83- 116 -4 Modoc Warner Mountains, 1.1 mile N of Stowe Reservoir Campground, N of Cedar Pass. 2088 Comment
  CAS-BOT-BC244957  Allium tolmiei var. tolmiei D. Toren; Barbara Trowbridge 1975-6-19 5246 Modoc Jess Valley to Blue Lake. 1524 Comment
  CAS-BOT-BC190746  Allophyllum gilioides subsp. gilioides Bruce Bartholomew 1995-6-22 6983 Modoc Between Day and Lookout, 17.0 km W of Day on County Road 94. 1280 Comment
  CAS-BOT-BC242339  Alopecurus geniculatus James D. Jokerst 1983-5-31 1800 Modoc Near Signal Butte. 1340 Comment
  CHSC85404  Alopecurus pratensis John Dittes; Josephine Guardino 1991-7-21 431 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
  OBI47987  Alyssum alyssoides Rhonda Riggins 1989-4-28 1665 Modoc Pencil Rd 4.4 mi N of hwy 395 E of Alturas. T43N R12E, sec 13 1524 Comment
  SEINET10481947  Alyssum alyssoides Jeffrey Huber 1971-6-3 Huber 101 Modoc 5 mi s of canby on state hwy 299, lupinus heavily carpeting hillsides of large basaltic boulders, sparse juniper, artemisia, purshia, poa association. 1280 Comment
  CAS-BOT-BC58648  Alyssum desertorum Bruce Bartholomew; Barrett Anderson 1989-4-27 4621 Modoc 2.1 km SSE of Day on road to State Highway 299. 1020 Comment
  SEINET10904353  Alyssum desertorum Paul Gallian, David B. Dunn 1971-6-3 Gallian 525 Modoc 5 mi s canby on state hwy 299, lupinus heavily carpeting hillsides of large basaltic boulders, sparse juniper-artemesia, purshia, poa assoc. 1280 Comment
  CDA23693  Amaranthus blitoides T. C. Fuller 1958-7-8 1952 Modoc Corporation Ranch, Likely. 0 Comment
  RSA768065  Amaranthus californicus L. Ahart, John Dittes 2010-8-31 17106 Modoc 10 yrds west of Elkins Lane, about 150 yrds north of bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 air miles west of Adin, about 7.7 air miles northeast of Bieber, Big Valley 1275 Comment
  NY849650  Amelanchier alnifolia B. M. Bartholomew 1988-5-13 4174 Modoc 0.6 km north of Jess Valley on West Warner Road, west side of the Warner Mountains 1620 Comment
  CAS-BOT-BC214632  Amelanchier utahensis Bruce Bartholomew; Barrett Anderson 1989-4-27 4611 Modoc 2.1 km SSE of Day on road to State Highway 299. 1020 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
  CHSC100458  Amelanchier utahensis Lowell Ahart; John Dittes 2008-8-25 15326 Modoc On the east side of East Gouger Neck Road, east of the Pit River, 2.1 miles by road from County Road 91, 5.6 miles (air) northeast of Lookout. 1293 Comment
  SBBG27371  Amelanchier utahensis C. L. Hitchcock 1940-5-27 6701 Modoc 15 mi NE of Alturas 1615 Comment
  UC1127787  Amelanchier utahensis R. C. Wilson 1933-6-4 36 Modoc Rush Creek; Modoc National Forest, Canby Quad. 1463 Comment
  UC72962  Amelanchier utahensis Milo S. Baker 1893-1 Modoc Forestdale Comment
  UC859121  Amelanchier utahensis C. L. Hitchcock 1940-5-27 6701 Modoc 15 mi ne Alturas 1676 Comment
  UCSB18015  Amelanchier utahensis Haller, John 1962-6-8 Modoc Slopes adjacent to South Fork of the Pit River, near Little Meadows Campground, Likely-Eagleville Road about 8 miles East of Likely, Warner Mountains 1584 Comment
  CAS-BOT-BC245113  Amphiscirpus nevadensis Herbert Louis Mason 1947-8-15 13543 Modoc Mouth of Crane Creek on Willow Ranch, E side of Goose Lake. Comment
  JEPS126551  Amsinckia menziesii Lowell Ahart, John Dittes 2016-6-6 20942 Modoc About 50 yards southwest of the intersection of County Road 87 and Access Road to Pilot Butte Parking Area, northeast base of Pilot Butte, 3.8 miles (air) east of Lookout, 7.5 miles (air) west of Adin, Ash Creek State Wildlife Area. Comment
  CAS-BOT-BC54161  Amsinckia tessellata var. tessellata Elmer Ivan Applegate 1936-5-12 10287 Modoc Near top of Petroglyph Butte, Lava Beds National Monument Comment
  CAS-BOT-BC225787  Anemopsis californica L. W. Burbank 1918-6-1 s.n. Modoc Modoc Co. 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
  UC1037296  Antennaria dimorpha Leo Whitney 1934-5-19 1653 Modoc Devil's Garden, (ne portion of county) Modoc National Forest 1524 Comment
  UC485205  Antennaria dimorpha Franklin P. Nutting Modoc Egg Lake Comment
  RSA520454  Antennaria dimorpha Bruce Bartholomew, B. Anderson 1989-4-27 4609 Modoc 2.1 km SSE of Day on road to State Highway 299. 1020 Comment
  CAS-BOT-BC15588  Antennaria geyeri John Thomas Howell 1934-6-30 12255 Modoc Duncan Horse Camp. 1355 Comment
  UC29493  Antennaria geyeri Mrs. R. M. Austin Jun 1894 Modoc near Willow Creek Comment
Read comments
Jul 6 2010
  CAS-BOT-BC15591  Antennaria luzuloides Mrs. H. C. Cantelow 1940-6-2 3236 Modoc 9.3 mi. N of Canby, Lava Country Comment
  RSA152422  Antennaria luzuloides I. L. Wiggins, Dorothy Wiggins 1961-6-12 16424 Modoc Moderate slope near summit of Cedar Pass, between Alturas and Cedarville 1921 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
  CHSC117867  Antennaria luzuloides subsp. luzuloides L. P. Janeway 2016-5-16 11978 Modoc Modoc Plateau. Devils Garden area; along Road 47N07 1.8 road-km south of Road 181/73/47N09. 1573 Comment
  CAS-BOT-BC15559  Antennaria rosea subsp. rosea Annie Montague Alexander; L. Kellogg 1946-6-27 4847 Modoc Highgrade, top of ridge 2 mi. by road from Dismal Swamp. 2377 Comment
  CHSC106210  Anthemis cotula Lowell Ahart; John Dittes 2010-8-31 17097 Modoc Bottom of a small wash, on the east side of Elkins Lane, about 100 yards north of the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  CDA1734  Apera interrupta P. H. Raven, O. T. Solbrig 1958-6-17 13307 Modoc Along United States Highway 299, 2.6 miles west of Alturas. 0 Comment
  CHSC85148  Apera interrupta John Dittes; Josephine Guardino 1991-7-21 400 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
  JEPS120133  Apera interrupta Lowell Ahart, John Dittes 2012-7-10 18324 Modoc Northeast of the old homestead, Ash Creek State Wildlife Area, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley. Comment
  CHSC12927  Aphyllon purpureum L. Mayer 1974-6-3 Modoc Soldier Creek, Warner Mts., near Cedarville. Comment
  CHSC85394  Apocynum androsaemifolium John Dittes; Josephine Guardino 1991-8-24 458 Modoc Modoc Plateau; Warner Mountains; west slope, ca. 8.2 air-miles east of Goose Lake, ca. 2.3 air-miles south of Dismal Swamp, ca. 1.6 air-mile west of Bidwell Mtn.; tributary of Bidwell Creek west of Highgrade Road. 2087 Comment
  SD61027  Apocynum androsaemifolium Darley F. Howe 1964-8-3 3928 Modoc 34 miles north of Alturas on #395. 1402 Comment
  CAS-BOT-BC15695  Apocynum cannabinum Margaret J. Williams 1984-6-30 84- 76 -2 Modoc Cedar Pass Road, 1.7 mi. W of Cedarville. 1508 Comment
  UC9011  Aquilegia formosa Milo S. Baker 1893-6-29 Modoc Comment
  CAS-BOT-BC218341  Aquilegia formosa var. formosa P. Monnet 1913-7-7 861 Modoc Warner's Range 2286 Comment
  UC1586876  Arabis Juha Pykala and D. H. Norris 1987-5-27 1044 Modoc between Lower and Upper Rush Creek Campgrounds; Modoc National Forest 1493 Comment
  SEINET10899007  Arabis David B. Dunn, Paul Gallian 1971-6-2 Dunn 17778 Modoc 9 mi sw of canby on state hwy 299, in decomposed granite. In artemisia, very moist season of year with melting patches of snow. Pinus ponderosa-juniper assoc.30-45 deg slope. 1463 Comment
  UC10399 Image available Arabis davidsonii Mrs. C. C. Bruce Jun 1892 2250 Modoc Lake City mt Comment
  NY112364  Arabis hirsuta R. J. Weatherby 1955-7-8 1624 Modoc 6 miles N of Ft. Bidwell, northern Warner Mtns. 1737.4 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
  NY119623  Arabis sparsiflora var. subvillosa R. C. Rollins 1981-6-1 81187 Modoc Near Cedar Pass, between Cedarville and Alturas Comment
  JEPS53054  Arabis subpinnatifida Frances D. Payne 1932-6-10 536 Modoc s and e of Alturas; Warner Mountains, Parker Creek 1584 Comment
  CAS-BOT-BC95646  Arctostaphylos nevadensis Bruce Bartholomew; Barrett Anderson 1990-7-20 5530 Modoc 3.4 km NW of Tamarack Flat, E side of Warner Mts. 2130 Comment
  CAS-BOT-BC95658  Arctostaphylos patula Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-15 16494 Modoc SE flank of Glass Mt., near Modoc-Siskiyou Co. line. Comment
  RSA367388  Arctostaphylos patula Christopher Davidson 1975-6-4 2624 Modoc Ca. 9.4 mi S of Canby on rd to Manzanita lookout. 1532 Comment
  RSA488026  Arctostaphylos patula Bruce Bartholomew, B. Anderson, Bartholomew 1988-5-12 4093 Modoc 4 km NW of White Horse. 1350 Comment
  RSA17681  Arenaria aculeata Elmer I. Applegate 1932-7-9 7600 Modoc North slope of Bidwell Mountain, Warner Mountains Comment
  UC465484  Arenaria congesta var. congesta M. F. Gilman 662 Modoc Comment
  UC1584015  Arenaria congesta var. subcongesta G. Schoolcraft 1990-6-6 2079 Modoc About 10 mi n Alturas (S of Joseph Creek); Joseph Creek 1584 Comment
  POM229218  Aristida oligantha L. C. Wheeler 1935-9-6 3959 Modoc Fletcher Creek at Pease Place. Devil's Garden. 1524 Comment
  JEPS35869  Arnica chamissonis Frances D. Payne 1931-6-20 204 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  CAS-BOT-BC15575  Arnica chamissonis subsp. foliosa Bruce Bartholomew 1991-7-6 5977 Modoc Curtis Waterhole and adjacent lava outcrops. 1310 Comment
  CAS-BOT-BC15411  Arnica cordifolia Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16442 Modoc Summit of Cedar Pass. 1920 Comment
  CAS-BOT-BC15419  Arnica cordifolia John Thomas Howell 1934-6-11 11971 Modoc Parker Creek, Warner Mountains 1584 Comment
  CAS-BOT-BC15420  Arnica cordifolia Betty J. Hammerly 1941-6-20 35 Modoc Along banks of Clear Lake. Comment
  POM260005  Arnica cordifolia C. L. Hitchcock 1940-5-27 6702 Modoc 15 miles NE of Alturas. 1677 Comment
  CAS-BOT-BC15402  Arnica cordifolia John H. Hatton 1911-6-13 65 Modoc Rush Creek Canyon. 1280 Comment
  JEPS35925  Arnica cordifolia Frances D. Payne 1931-6-22 240 Modoc Dry Creek (n trib of Parker Creek), s and e of Alturas Warner Mountains, Parker Creek 1828 Comment
  UC1237942  Arnica cordifolia John Weiler and A. P. Nelson May 26 1961-May 29 1961 61235 Modoc just w of, at Public Camp Cedar Pass; Warner Mountains Comment
  CAS-BOT-BC15283  Arnica longifolia Leland S. Smith 1918-8-28 1055 Modoc Patterson Lake and Owl Creek. 2438 Comment
  CAS-BOT-BC15290  Arnica mollis Bruce Bartholomew 1989-8-11 5063 Modoc Along Lassen Creek near SE side of Harris Flat, Warner Mountains. 1920 Comment
  CAS-BOT-BC15294  Arnica nevadensis Robert Patterson; Mona Bourell 1993-8-14 5217 Modoc Patterson Lake. South Warner Wilderness Area. Warner Mountains. 2743 Comment
  UCD129240  Artemisia cana Beecher Crampton 1960-6-17 5700 Modoc McKay Flat, 13 miles west of Canby, 2.5 miles NE of Happy Camp Station. 1280 Comment
  CAS-BOT-BC15254  Artemisia cana subsp. bolanderi John H. Hatton 1911-6-20 129 Modoc Modoc County. 1524 Comment
  CHSC67335  Artemisia cana subsp. bolanderi J. D. Jokerst 1986-9-18 2768 Modoc Radar Site Survey S of Doublehead Mtn. Ca. 1.5 mi S of Doublehead Mtn. 1386 Comment
  HSC81041  Artemisia douglasiana G. M. Riegel 1979-8-25 719 Modoc South Warner Mountains 2100 Comment
  UCR67454  Artemisia douglasiana George K. Helmkamp 1990-9-23 I- 17 Modoc Warner Mtns, Goose Lake, within 0.1 mi of the Oregon border 1476 Comment
  CAS-BOT-BC497198  Artemisia douglasiana John H. Hatton 1911-6-22 139 Modoc Modoc Forest Comment
  CAS-BOT-BC15257  Artemisia ludoviciana subsp. incompta Bruce Bartholomew 1990-8-4 5631 Modoc Crest of the Warner Mts., ca. 0.5 km SE of Patterson Lake along Summit Trail. 2770 Comment
  CHSC96351  Artemisia ludoviciana subsp. incompta Richard R. Halse 2006-8-4 6994 Modoc Modoc National Forest, Patterson Station Campground, ca. 15 air miles east of Likely, south end of the Warner Mountains. 2109 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
  SJSU9636  Artemisia ludoviciana subsp. ludoviciana W. Savage 1979-7-7 1457 Modoc Triangle, Fairchild Swamp Unit (SW corner), Devils Garden District, Modoc National Forest 1508 Comment
  UCR64882  Artemisia tridentata George K. Helmkamp 1990-9-23 H- 4 Modoc US Hwy 395, 13 mi north of Likely 1345 Comment
  CAS-BOT-BC15213  Artemisia tridentata subsp. tridentata Doris K. Kildale 1926-9-11 2770 Modoc Between Alturas and Marlin, Oregon. 1371 Comment
  HSC1978  Asclepias cordifolia M. T. Milligan 1965-6-30 392 Modoc E of Jess Valley 1677 Comment
  JEPS127722  Asclepias fascicularis Alejandro Brambila, Michael Dolan 2016-8-25 CA 320 -177 Modoc Population is North and West of Nelson Spring in South Likely Tablelands Comment
  UC1483861  Asclepias fascicularis G. Schoolcraft 1980-8-6 347 Modoc se Spalding Butte (near Highway 139) 1450 Comment
  JEPS121197  Asclepias speciosa Lowell Ahart, John Dittes 2013-7-25 18955 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
  POM39757  Aster ascendens Mrs. R. M. Austin 1895-07 s.n. Modoc Goose Lake Valley. Comment
  UCR67032  Aster frondosus George K. Helmkamp 1990-9-23 J- 16 Modoc Warner Mtns, Goose Lake, within 0.1 mi of the Oregon border 1476 Comment
  RSA518410  Aster subspicatus George K. Helmkamp 1990-9-23 J- 11 Modoc Drying mud flats beside Goose Lake, within 0.1 mile of the Oregon border 1372 Comment
  CHSC115560  Astragalus Lowell Ahart; John Dittes 2015-7-15 20342 Modoc About 300 yards northeast of the old barn, on the north side of the overgrown road, Ash Creek State Wildlife Area, about 3.9 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  CAS-BOT-BC218211  Astragalus curvicarpus var. curvicarpus James D. Jokerst 1983-7-27 1913 Modoc Near Signal Butte. 1340 Comment
  CAS-BOT-BC218223  Astragalus curvicarpus var. curvicarpus James D. Jokerst 1983-5-31 1813 Modoc Near Signal Butte. 1340 Comment
  UC13369  Astragalus curvicarpus var. curvicarpus Milo S. Baker 1893-6-24 Modoc near Forestdale (Lava Beds, sw Modoc); Lava Beds, near Forestdale Comment
  SEINET7103955  Astragalus curvicarpus var. curvicarpus Margaret J. Williams 1984-6-29 84- 74 -1 Modoc 4.8 mi in on Fandango Pass road from Hwy 395.; 0 1524 Comment
  CAS-BOT-BC182075  Astragalus filipes L. A. M. Black 1894-6-1 76 Modoc Davis Creek. Comment
  CAS-BOT-BC182078  Astragalus filipes Bruce Bartholomew 1992-5-15 6293 Modoc Along Sand Creek in hills on the E side of Surprize Valley, E the N end of Middle Alkali Lake. 1460 Comment
  CAS-BOT-BC182961  Astragalus filipes H. D. Ripley; R. C. Barneby 1944-5-31 5993 Modoc Mesa N.-W. of Alturas 1371 Comment
  NY658481  Astragalus filipes S. L. Welsh 2001-6-14 28159 Modoc Ca. 6 miles S of Alturas. Along Hwy. 395 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
  RSA163781  Astragalus filipes Clare B. Hardham 1961-6-19 7838 Modoc Davis creek. 1677 Comment
  RSA271940  Astragalus filipes Christopher Davidson 1975-6-4 2627 Modoc Canby Bridge across Pit R., ca. 4 mi. S of Canby on Hwy 299. 1341 Comment
  SBBG3186  Astragalus filipes H. and M. Dearing 1939-6-7 3581 Modoc near Alturas Comment
  NY658503  Astragalus filipes A. A. Heller 1938-6-24 15226 Modoc On U.S. Highway 299, between Alturas and Caby 1341.1 Comment
  NY658509  Astragalus filipes M. F. Gilman 549 Modoc Comment
  RSA0029193  Astragalus filipes John F. Emmel 1997-6-8 1493 Modoc Along Hwy 395 ca. 5.5 road mi south of Alturas, 0.6 road mi south of highway crossing of South Fork Pit River. 1341 Comment
  UC13366  Astragalus filipes Milo S. Baker 1893-7-3 Modoc top of bare rocky hill Comment
  UC397284  Astragalus filipes M. F. Gilman 549 Modoc Comment
  UC862723  Astragalus filipes A. A. Heller 1938-6-24 15226 Modoc on U.S. Highway #299 between Alturas Canby; between Alturas and Canby 1341 Comment
  UCD150428  Astragalus filipes Harry A. George 1966-6-2 s.n. Modoc Davis Creek, Lakeside Ranch. Comment
  SBBG30556  Astragalus gibbsii D. Myrick 1968-6-20 1964 Modoc eastern outskirts of Alturas 1332 Comment
  CAS-BOT-BC182048  Astragalus obscurus Bruce Bartholomew 1991-5-24 5740 Modoc Near NW side of Big Mud Lake and 2 km SW of Nevada State boundary. 1680 Comment
  CAS-BOT-BC182050  Astragalus obscurus Bruce Bartholomew 1993-6-14 6663 Modoc 8.7 km E of County Road 114 on County Road 108, NW of Clear Lake Reservoir. 1450 Comment
  CAS-BOT-BC182029  Astragalus purshii Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-15 16505 -A Modoc 22 mi. W of Canby along Highway 139. Comment
  CAS-BOT-BC182036  Astragalus purshii Leland S. Smith 1919-5-3 1084 Modoc Plateau, road to Jess Valley. 1524 Comment
  CAS-BOT-BC182044  Astragalus purshii Gordon H. True 1964-6-3 1432 Modoc North Fork Pit River between Alturas and Goose Lake. 1463 Comment
  JEPS3943  Astragalus purshii N. T. Mirov 1929-5-30 Modoc Buck Creek Ranger Station e Goose Lake (Buck Creek Ranger Station, Warner Mountains); Warner Mountains, e of Goose Lake 1584 Comment
  CAS-BOT-BC182045  Astragalus purshii Mrs. H. C. Cantelow 1940-6-2 Modoc W of Alturas on road to Bad Lands Nat. For. Comment
  JEPS54806  Astragalus purshii var. tinctus Leland S. Smith 1917-6-15 806 Modoc Jess Valley , Jess Valley (Warner Mts.) Comment
  UC13457  Astragalus purshii var. tinctus Mrs. R. M. Austin and Bruce June 1898 2207 Modoc Plains Goose Lake Comment
  UC190588  Astragalus purshii var. tinctus M. F. Gilman 545 Modoc dry hills 1524 Comment
  SEINET10490004  Astragalus whitneyi var. confusus Jeffrey Huber 1971-6-3 Huber 93 Modoc 5 mi s of canby on calif hwy 299, lupinus heavily carpeting hillsides of large Basaltic boulders sparse juniper, artemesia, prushia, poa assoc. 1280 Comment
  CAS-BOT-BC182004  Astragalus whitneyi var. lenophyllus Edward Kent Balls 1950-5-10 15964 Modoc 0.5 mi. past fork of Hwy 395 and road from Altuas to Cedarville. 1584 Comment
  CAS-BOT-BC182005  Astragalus whitneyi var. lenophyllus Bruce Bartholomew 1989-7-15 5015 Modoc Manzanita Lookout, top of Manzanita Mountain. 2130 Comment
  CAS-BOT-BC182008  Astragalus whitneyi var. lenophyllus Bruce Bartholomew 1989-7-14 4924 Modoc Along Rush Creek between Lower and Upper Rush Creek Campgrounds. 1580 Comment
  UC922445  Athyrium distentifolium var. americanum Annie M. Alexander and Louise Kellogg 1946-7-23 5056 Modoc Emerson Peak, northeast Emerson Peak; Warner Mts Comment
  CAS-BOT-BC58462  Athysanus pusillus Francis Dorris Payne 1932-6-10 529 Modoc Parker Creek. 1584 Comment
  CAS-BOT-BC95504  Atriplex argentea var. argentea Alice Eastwood; John Thomas Howell 1940-6-12 8100 Modoc Midway between Likely and Alturas. Comment
  JEPS117501  Atriplex argentea var. argentea Lowell Ahart, John Dittes 2010-8-31 17137 Modoc About 400 yards west of Elkins Lane and the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley 1267 Comment
  CAS-BOT-BC95507  Atriplex confertifolia Bruce Bartholomew 1994-10-9 6880 Modoc Near Nevada border directly E of Eagleville, S end of Surprise Valley. 1510 Comment
  CDA2936  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
  POM312955  Azolla filiculoides Herbert L. Mason 1947-8-12 13503 Modoc Junction of North and South forks of Pit River, Alturas. Comment
  UC485508  Baccharis salicifolia subsp. salicifolia Mrs. R. M. Austin 189 Modoc Comment
  CAS-BOT-BC100052  Balsamorhiza hookeri M. S. Baker; Frank Nutting June 8 s.n. Modoc near Egg Lake Comment
  JEPS5953  Balsamorhiza hookeri Frances D. Payne 1929-6-23 20 Modoc s and e of Alturas (Parker Creek, Warner Mountains); Warner Mountains, Parker Creek 1584 Comment
  POM350740  Balsamorhiza hookeri var. lagocephala Christopher Davidson 1973-5-26 2116 Modoc 4 miles W of Canby on Hwy 299. 1341 Comment
  RSA149058  Balsamorhiza hookeri var. lagocephala I. L. Wiggins, Dorothy B. Wiggins 1961-6-13 16474 Modoc Roadside 2.4 mi. S of village of Davis Creek, SE side of Goose Lake. Comment
  CAS-BOT-BC15185  Balsamorhiza hookeri var. lanata Margaret J. Williams; Thad Holcomb; Betty Holcomb; L. Saxton 1988-5-28 Modoc Hwy 395, intersection with Davis Creek Road. Comment
  HSC81042  Balsamorhiza sagittata G. M. Riegel 1980-7-8 862 Modoc South Warner Mountains 1739 Comment
  RSA152708  Balsamorhiza sagittata I. L. Wiggins, Dorothy B. Wiggins 1961-6-12 16410 Modoc Steep hillside in Cedar Pass, along Cedar Pass Road between Alturas and Cedarville Comment
  UC748328  Balsamorhiza sagittata Annie M. Alexander and Louise Kellogg 1946-6-10 4720 Modoc between Lower and Snake lakes 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-BC58674  Barbarea orthoceras Roxana Stinchfield Ferris; R. Duthie 1919-6-15 178 Modoc Near marsh, Parker Creek, Modoc Nat. Forest Boundary. Comment
  UC71681  Barbarea orthoceras Mrs. M. H. Manning May, 1903 125 Modoc Near Fort Bidwell, in north-eastern Modoc Comment
  RSA624497  Bassia hyssopifolia L. C. Wheeler 1935-10-10 4035 Modoc Alturas. 1356 Comment
  CHSC85109  Beckmannia syzigachne John Dittes; Josephine Guardino 1991-8-23 450 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 along drainage at southern edge of Ash Creek Floodplain. 1271 Comment
  UCD56800  Beckmannia syzigachne L. Whitney 1935-7-7 3403 Modoc Howard Gulch. Comment
  UCR136424  Beckmannia syzigachne Beecher Crampton 1954-7-7 2162 Modoc Modoc Plateau, 2.5 miles east of Alturas, near radio station KCNO 1341 Comment
  HSC100068  Beckmannia syzigachne G. D. Barbe, John Kelley 1988-7-20 4298 Modoc Modoc National Wildlife Refuge, SE of Alturas, MDB & M. Comment
  UCSB18053  Berberis aquifolium var. repens Haller, John 1962-6-8 Modoc Vicinity of Cave Lake, 1 mile west of Summit of New Pine Creek-Fort Bidwell Road, Warner Mountains 2072 Comment
  RSA604675  Bergia texana L. C. Wheeler 1935-8-22 3910 Modoc Devil's Garden: South Mt. Reservoir. 1524 Comment
  NY526244  Betula glandulosa L. C. Wheeler 1935-8-15 3858 Modoc Dismal Swamp, Twenty Mile Creek, Warner Mountains 2225.0 Comment
  CAS-BOT-BC497320  Betula glandulosa Annie M. Alexander; Louise Kellogg 1946-6-25 4819 Modoc Dismal Swamp, north end of Warner Mountains 2255 Comment
  CDA39611  Betula occidentalis T. C. Fuller 1971-7-14 19907 Modoc South Barber Creek at crossing with Barber Grade. 0 Comment
  JEPS127312  Bidens cernua Lowell Ahart, John Dittes 2016-7-14 21152 Modoc South of Ash Creek, Ash Creek State Wildlife Area, 0.79 miles (air) south of County Road 87, 1.73 miles (air) west of Adin Big Valley. Comment
  RSA210843A  Bidens cernua R. F. Thorne, J. Henrickson, C. W. Tilforth 1969-9-3 39027 Modoc SE end of Tule Lake Sump 0.5 miles N of turnoff to Lava Beds National Monument, (2.2 miles E of NE entrance to monument) 1265 Comment
  UCD129551  Bidens cernua Herbert L. Mason; Verne Grant 1947-7-12 13431 Modoc south loop of west side road, north of Likely. Comment
  CAS-BOT-BC218116  Bistorta bistortoides Bruce Bartholomew; Barrett Anderson 1988-7-22 4545 Modoc Benton Meadow, Warner Mts.. 2180 Comment
  CAS-BOT-BC15086  Blepharipappus scaber Roxana Stinchfield Ferris; R. Duthie 1919-6-13 72 Modoc 2 mi. above Modoc Nat. Forest Boundary on Parker Creek, Warner Mts. Comment
  CAS-BOT-BC15115  Blepharipappus scaber Bruce Bartholomew 1990-6-15 5219 Modoc W side of Deer Spring Ridge in vicinity of Reid Draw, ca. 1 km N of the Lasson Co. border. 1540 Comment
  CAS-BOT-BC15122  Blepharipappus scaber John Thomas Howell 1934-6-12 11997 Modoc 6 mi. S of Davis Creek. Comment
  UC71693  Blepharipappus scaber Mrs. M. H. Manning Jul 1 1903-Aug 1 1903 165 Modoc near Fort Bidwell Comment
  CDA19753  Blepharipappus scaber Anon. 1959-7-7 Modoc Modoc Plateau; Graven Reservoir. 0 Comment
  JEPS17725  Blepharipappus scaber Rimo Bacigalupi with G. T. Robbins 1955-7-20 5386 Modoc 5.5 mi ne of Alturas (near junction of Cedar Pass Road and U.S. 395); U.S. 395, Cedar Pass Road 1371 Comment
  SEINET3146118  Blepharipappus scaber L. S. Rose 1940-6-14 40566 Modoc Kelly Hot Springs 1341 Comment
  CAS-BOT-BC15785  Boechera Alice Eastwood; John Thomas Howell 1940-6-14 8235 Modoc Near Hackamore. Comment
  JEPS53152  Boechera L. S. Smith 1917-7-2 68 Modoc Warren Mt. Warner Mts. 2590 Comment
  UC748105  Boechera microphylla Annie M. Alexander and Louise Kellogg 1946-7-24 5074 Modoc Warner Mountains. Horse Mountain. Comment
  CHSC118073  Boechera pauciflora L. P. Janeway 2016-5-17 12019 Modoc Modoc Plateau. Devils Garden area; flat just below (west of) Por-cupine Rim; 0.3 km north of Road 43N18; 4.0 air-km west of Big Sage Reservoir. 1544 Comment
  JEPS53130  Boechera platysperma W. L. Jepson 1918-8-13 7973 Modoc Summit, Eagle Peak Warner Mts., Eagle Peak 3017 Comment
  CAS-BOT-BC35123  Boechera puberula E. S. Willits 1940-5-6 225 Modoc Davis Creek. Comment
  CAS-BOT-BC25381  Boechera retrofracta B. Bartholomew 1992-5-17 6347 Modoc Southwest side of White Horse Mountains, southwest of White Horse Flat Reservoir. 1330 Comment
  CAS-BOT-BC25527  Boechera retrofracta Annie M. Alexander; Louise Kellogg 1946-6-27 4848 Modoc North end of Warner Mountains. Highgrade (top of ridge, two miles by road from Dismal Swamp.) 2377 Comment
  CAS-BOT-BC25531  Boechera retrofracta John Thomas Howell 1934-6-14 12143 Modoc Warner Mountains. Near Lost Lake. 2438 Comment
  CAS-BOT-BC58291  Boechera retrofracta Annie Montague Alexander; L. Kellogg 1946-6-27 4848 Modoc Highgrade, (top of ridge, 2 mi. by road from Dismal Swamp) N end of Warner Mts. 2377 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
  UC10097  Boechera sparsiflora Milo S. Baker 1893-6 Modoc Comment
  UC71683  Boechera subpinnatifida Mrs. M. H. Manning Jul 1903 100 b Modoc near Fort Bidwell (ne Modoc County) Comment
  CAS-BOT-BC25898  Boechera subpinnatifida B. Bartholomew 1995-6-24 7022 Modoc 2.6 km north off to Tionesta on State highway 139. 1250 Comment
  RSA166312  Boisduvalia stricta D. M. Moore 1960-6-4 121 Modoc 7.4 mi. W of Adin on road to Lookout. Comment
  CHSC106188  Bolboschoenus maritimus subsp. paludosus Lowell Ahart; John Dittes 2010-8-31 17135 Modoc Edge of a pond, about 400 yards west of Elkins Lane and the bridge across Ash Creek, Ash Creek State Wildlife Area, 4215 feet north of Lassen County Line, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  JEPS89874  Botrychium simplex var. simplex Dean Wm. Taylor with Glenn L. Clifton 1989-8-5 10474 Modoc North Emerson Lake Warner Mts., North Emerson Lake 2392 Comment
  CAS-BOT-BC244942  Brodiaea coronaria subsp. coronaria Alice Eastwood; John Thomas Howell 1940-6-14 8232 Modoc 8 mi. NW of Canby. Comment
  UCSB29269  Bromus briziformis Hardham, Clare 1961-6-18 Modoc Cedar Pass Comment
  CAS-BOT-BC242441  Bromus carinatus var. carinatus Bruce Bartholomew 1990-8-5 5660 Modoc Summit Trail, ca. 2 km N of Patterson Ranger Station, W side of Warner Mts. 2300 Comment
  JEPS69155  Bromus carinatus var. carinatus Leland S. Smith 1924-5-26 Modoc near Pit River Ranger Station Comment
  UC1024888  Bromus carinatus var. carinatus Leo Whitney 1935-5-29 3130 Modoc 18 mi wnw of Canby (Hole-in-the-rock); Hole-in-the-rock Comment
  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
  UCD59095  Bromus carinatus var. marginatus A. A. Beetle 1941-6-29 2821 Modoc 15 miles west of Alturas, road to Cedarville Pass. 1524 Comment
  UCD59096  Bromus carinatus var. marginatus Leo Whitney 1934-5-19 3043 b Modoc Timbered Mountains. Devil's Garden, Modoc National Forest, northeast portion of county. 1524 Comment
  UCD59141  Bromus carinatus var. marginatus Beecher Crampton; Carl Rimbey 1954-7-7 2130 Modoc West side of Cedar pass, Warner Mountains. 1889 Comment
  UCD59507  Bromus diandrus L. Whitney 1935-5-30 3160 Modoc White Horse. Comment
  CAS-BOT-BC242471  Bromus hordeaceus Leland S. Smith 1918-6-12 932 Modoc Buck Creek Ranger Station. 1706 Comment
  UCD58615  Bromus hordeaceus A. A. Beetle; G. L. Stebbins Jr. 1942-5-30 3618 Modoc Near Canby. Comment
  CAS-BOT-BC242462  Bromus japonicus Bruce Bartholomew; Barrett Anderson 1988-6-23 4219 Modoc 2.1 km SSE of Day on the road to State Highway 299. 1020 Comment
  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
  JEPS114831  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
  JEPS119962  Bromus japonicus Lowell Ahart, John Dittes 2012-7-10 18313 Modoc Ash Creek State Wildlife Area, about 3.2 miles (air) west of Adin, about 8.4 miles (air) northeast of Bieber, Big Valley. Comment
  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
  CAS-BOT-BC161573  Bromus suksdorfii L. S. Smith 1922-7-20 1277 Modoc Modoc Forest. Rush Creek Ranger Station in pasture. 1905 Comment
  CAS-BOT-BC498653  Bromus suksdorfii L. S. Smith 1922-7-20 1277 Modoc Modoc Forest: Rush Creek 1905 Comment
  UC7748  Calandrinia ciliata Milo S. Baker 1893-7-1 Modoc shore of lake Egg Lake 1371 Comment
  UC1101526  Callitriche hermaphroditica Verne Grant and Irving Schneider 1947-7-18 8055 Modoc 1.4 mi n Bayley's Bridge (s of Alturas) Comment
  UC1099789  Callitriche hermaphroditica Herbert L. Mason 1947-8-8 13469 Modoc nw of Alturas (Big Sage Reservoir); Big Sage Reservoir Comment
  CAS-BOT-BC95094  Callitriche palustris Roxana Stinchfield Ferris; R. Duthie 1919-6-14 168 Modoc Along Parker Creek near Modoc Nat. Forest Boundary. Comment
  CAS-BOT-BC95097  Callitriche palustris Bruce Bartholomew 1995-6-3 6957 Modoc Island Meadow N of road between Goose Lake and Crowder Flat Road. 1570 Comment
  UC1101516  Callitriche verna Herbert L. Mason and Verne Grant 1947-7-12 13428 Modoc n of Likely (s loop of w side of road) Comment
  CAS-BOT-BC30158  Calocedrus decurrens Belknap C. Goldsmith 1910-8-1 18 Modoc Near Fandango Creek, W slope Warner Mts. 1630 Comment
  CAS-BOT-BC85787  Calocedrus decurrens M. B. Kildale 1926-9-11 2768 Modoc Between Malin, Oregon & Alturas 1371 Comment
  JEPS61773  Calochortus Leland S. Smith 1918-7-10 981 Modoc Mill Creek Comment
  HSC15398  Calochortus leichtlinii M. T. Milligan 1964-7-25 192 Modoc 1.0 mi. E of Weber Salt Camp on Pine Creek Rd. 2134 Comment
  UC1036071  Calochortus leichtlinii Annie M. Alexander and Louise Kellogg 1946-7-22 5037 Modoc w of Warner Mts. divide (Patterson Mill Road); Warner Mts. Comment
  CHSC67724  Calochortus longebarbatus J. D. Jokerst 1983-7-18 1856 Modoc West of and adjacent to forest service rd 5500, 0.2 miles N of the road junction that is at the center of the E edge of section 8. CALO-2. Comment
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  UCD77254  Calochortus longebarbatus Robert E. Preston 2000-7-18 1396 Modoc Ca. 11 mi nw of Canby, along Hwy 139, 2.65 mi e of Forest Service Rd 44N11. 1490 Comment
  UC1748347  Calochortus longebarbatus var. longebarbatus J. D. Jokerst 1983-6-14 1841 Modoc NW of Adin (ca. 150 m. SW of the logging road) Comment
  CAS-BOT-BC242139  Calochortus macrocarpus Elmer Ivan Applegate 1932-8-4 8149 Modoc Near and above Jess Valley, S fork of Pit River. Comment
  CAS-BOT-BC242143  Calochortus macrocarpus Elmer Ivan Applegate 1932-7-9 7621 Modoc Surprise Valley, 5 mi. S of Fort Bidwell. Comment
  UC9030  Caltha leptosepala Mrs. C. C. Bruce July 1898 2306 Modoc Warner Mts. Comment
  JEPS127295  Calycadenia Lowell Ahart, John Dittes 2016-7-14 21153 Modoc About 1/8 mile south of Ash Creek, Ash Creek State Wildlife Area, 1 mile (air) south of County Road 87, 1.73 miles (air) southwest of Adin Big Valley. Comment
  CAS-BOT-BC95585  Calystegia occidentalis subsp. occidentalis Bruce Bartholomew 1989-7-14 4954 Modoc ca. 6.5 km NE of Egg Lake and 0.8 km E of Survice Gulch. 1340 Comment
  UC449950  Calystegia occidentalis subsp. occidentalis Milo S. Baker 1887-1 Modoc Forestdale Comment
  CAS-BOT-BC242127  Camassia quamash subsp. breviflora Bruce Bartholomew 1990-6-15 5237 Modoc SE corner of Sweagert Flat. 1860 Comment
  CHSC85122  Camassia quamash subsp. breviflora John Dittes; Josephine Guardino 1991-7-21 443 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
  UC1004347  Camassia quamash subsp. breviflora Leo Whitney 1934-5-13 Modoc Weed Valley, northern Modoc County Weed Valley 1524 Comment
  UC72484  Camassia quamash subsp. breviflora Milo S. Baker Modoc Forestdale Comment
  POM312923  Camassia quamash subsp. breviflora Malcolm A. Nobs, S. Galen Smith 1949-5-29 773 Modoc 1 mile east of Lake City Comment
  JEPS61559  Camassia quamash subsp. quamash Frances D. Payne 1929-6-19 11 Modoc s and e of Alturas (Warner Mountains, Parker Creek); Warner Mountains, Parker Creek 1584 Comment
  CHSC23599  Camelina microcarpa K. R. Stern; D. B. Joley, J. G. Geschke 1974-6-23 5848 Modoc Round Valley area north of Aden. Comment
  UCD114103  Camelina microcarpa Verne Grant; Irving Schneider 1947-7-20 8108 Modoc north fork of Pit River, downstream from Alturas. Comment
  CAS-BOT-BC191132  Camissonia andina Bruce Bartholomew; Barrett Anderson 1989-6-2 4800 Modoc 6.4 km E of Fort Bidwell on road to Fee Reservoir, NE corner of Surprise Valley. 1460 Comment
  RSA75376  Camissonia andina F. W. Peirson 1926-6-25 6869 Modoc Cedarville Pass, Warner Mountains. Comment
  NY850415  Camissonia andina A. A. Heller 1941-6-25 16198 Modoc On the Cedarville road a short distance east of the junction with U.S. Highway #395 Comment
  CAS-BOT-BC191119  Camissonia boothii subsp. alyssoides Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-10 6451 Modoc At the Nevada border directly E of Eagleville, E side of Surprise Valley. 1520 Comment
  CAS-BOT-BC191100  Camissonia subacaulis Bruce Bartholomew 1990-6-16 5263 Modoc W side of Pine Creek Basin, Warner Mountains. 2200 Comment
  CAS-BOT-BC160855  Camissonia tanacetifolia subsp. tanacetifolia Lillian Mott 1976-5-29 2 LM76 Modoc Big Sage Reservoir road, Devil's Garden, north of Alturas 1402 Comment
  CAS-BOT-BC191078  Camissonia tanacetifolia subsp. tanacetifolia John Thomas Howell 1934-6-15 12196 Modoc Dorris Reservoir. Comment
  CAS-BOT-BC191081  Camissonia tanacetifolia subsp. tanacetifolia Peter Hamilton Raven 1962-5-29 17893 Modoc 13 mi. NW of Canby. Comment
  POM204166  Camissonia tanacetifolia subsp. tanacetifolia J. T. Howell 1934-6-15 12196 Modoc Dorris Reservoir, 2 miles east of Alturas Comment
  RSA8245  Camissonia tanacetifolia subsp. tanacetifolia Elmer I. Applegate 1929-6-25 5898 Modoc Cottonwood Creek, east side of Goose Lake Comment
  CAS-BOT-BC160854  Camissonia tanacetifolia subsp. tanacetifolia L. S. Smith 1918-5-16 926 Modoc Modoc National Forest. Centerville Road west of Alturas 1524 Comment
  POM229954  Camissonia tanacetifolia subsp. tanacetifolia Louis C. Wheeler 1935-8-2 3744 Modoc Twelve Mile Creek, Warner Mountains 2195 Comment
  RSA59843  Camissonia tanacetifolia subsp. tanacetifolia E. K. Balls 1950-5-17 14727 Modoc South shore, Clear Lake Bird Refuge 1381 Comment
  RSA59850  Camissonia tanacetifolia subsp. tanacetifolia E. K. Balls 1950-5-15 14694 Modoc 14.8 miles west of Alturas, Highway 299 1341 Comment
  UC711893  Cardamine breweri Roxana S. Ferris and Laura Lorraine 1941-8-13 10527 Modoc Patterson Ranger Station Modoc National Forest, Warner Mts, East Creek drainage (East Creek drainage, Warner Mountains) 2164 Comment
  CAS-BOT-BC58429  Cardamine breweri var. breweri Alice Eastwood; John Thomas Howell 1940-6-13 8166 Modoc Cedarville. Comment
  CAS-BOT-BC58434  Cardamine pensylvanica Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-14 16488 Modoc 6.4 mi. S of Lassen Creek camp ground, on road to Buck Mt., Warner Mts. Comment
  CDA42987  Cardaria pubescens L. Ahart 2008-8-25 15287 Modoc On the west bank of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout. Comment
  CDA28673  Carduus acanthoides G. D. Barbe, C. B. Greenbank 1978-8-31 2427 Modoc Roadside, 1 mile south of junction of Camby Road and Highway 299. 0 Comment
  HSC48000  Carex amplectens D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19460 Modoc Upper Rush Creek Campground, about 8 mi. N of Adin on Hwy. 299 Comment
  UC1100651  Carex angustata Verne Grant and Irving Schneider 1947-8-29 8352 Modoc Pit River, at bridge by Coal Stone Valley Pit River, Coal Stone Valley Comment
  CAS-BOT-BC242326  Carex aquatilis var. aquatilis Louis Cutter Wheeler 1935-8-16 3871 Modoc Dismal Swamp, Twenty-Mile Creek. 2225 Comment
  RSA577787  Carex aquatilis var. aquatilis L. C. Wheeler 1935-8-16 3871 Modoc Dismal Swamp, Twenty Mile Creek. Warner Mountains. Mt. Diablo Mer 2226 Comment
  UC1100439  Carex atherodes Herbert L. Mason, Verne Grant 1947-7-11 13376 Modoc s Alturas (irrigation ditch near west side road); South Fork of Pit River Comment
  UCD140121  Carex atherodes Herbert L. Mason; Verne Grant 1947-7-11 13376 Modoc near west side road, South Fork of Pit River, south of Alturas. Comment
  CAS-BOT-BC242373  Carex athrostachya Peter Hamilton Raven; Otto Thomas Solbrig 1958-6-17 13305 Modoc Hwy 299, 2.6 mi W of Alturas. Comment
  CAS-BOT-BC245193  Carex bolanderi Bruce Bartholomew; Barrett Anderson 1988-7-23 4590 Modoc Pine Creek, 4 km E of U.S Highway 395 on the road to Lily Lake, Warner Mts.. 1620 Comment
  JEPS101038  Carex bolanderi Dean W. Taylor 1989-8-4 10429 Modoc Suprise Valley; between Middle Lake and Lower Lake, ca. 2.5 mi N of Eagleville 1231 Comment
  RSA252448  Carex diandra Robert F. Thorne, C. W. Tilforth 1969-9-5 39164 Modoc Modoc National Forest, Warner Mountains, Clear Lake. 1768 Comment
  CAS-BOT-BC245189  Carex douglasii John Thomas Howell 1934-6-30 12280 Modoc Duncan Horse Camp. 1355 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
  HSC48185  Carex douglasii D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19424 Modoc Near Hager Reservoir Comment
  CAS-BOT-BC242367  Carex filifolia var. erostrata Leland S. Smith 1920-6-2 1160 1/2 Modoc Dismal Swamp. 2042 Comment
  CAS-BOT-BC245161  Carex nebrascensis R. L. Ward 1976-5-18 s.n. Modoc Pine Spring. 1508 Comment
  CAS-BOT-BC245172  Carex nebrascensis John Thomas Howell 1934-6-15 12190 Modoc Alturas. Comment
  UC1100493  Carex nebrascensis Herbert L. Mason 1947-8-13 13539 Modoc n of Canby (ne side of F reservoir) Comment
  CHSC109502  Carex pachycarpa L. P. Janeway; B. Castro 2012-7-26 11006 Modoc Warner Mountains. At Little Lily Lake, 2.4 air km north of Mt. Vida. 2258 Comment
  JEPS63585  Carex phaeocephala W. L. Jepson 1918-8-13 7978 Modoc summit of Eagle Peak, Warner Mountains Eagle Peak; Warner Mountains, Eagle Peak 3017 Comment
  UC1024338  Carex phaeocephala Annie M. Alexander and Louise Kellogg 1946-7-23 5047 Modoc near summit Emerson Peak; Warner Mountains 2749 Comment
  CAS-BOT-BC245157  Carex praegracilis Annie Montague Alexander; L. Kellogg 1946-6-14 4761 Modoc Patterson Mill Road. 1828 Comment
  CHSC108008  Carex praegracilis Lowell Ahart; John Dittes 2011-6-21 17511 Modoc About 200 yards west of the fence, south edge of the meadow, Ash Creek State Wildlife Area, about 2,000 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  HSC97777  Carex praegracilis Juha Pykala, D. H. Norris 1987-5-27 1024 Modoc Modoc National Forest, Rush Creek, between Lower and Upper Rush Creek Campgrounds 1463 Comment
  UC1100474  Carex praegracilis Herbert L. Mason, Verne Grant 1947-8-13 13535 Modoc n Canby (ne side of F Reservoir) Comment
  CAS-BOT-BC242351  Carex scopulorum var. bracteosa Annie Montague Alexander; L. Kellogg 1946-6-28 4856 Modoc Pine Creek Canyon. 2103 Comment
  HSC75587  Carex straminiformis G. M. Riegel 1979-7-30 625 Modoc S Warner Mtns. 1829 Comment
  CAS-BOT-BC245142  Carex utriculata Robert Folger Thorne; C. W. Tilforth 1969-9-5 39157 Modoc Margin of Clear Lake, Warner Mts. 1767 Comment
  CHSC100234  Carex utriculata John Dittes; Josephine Guardino 1991-8-23 454 Modoc Modoc Plateau; Warner Mountains; southwest edge of Dismal Swamp; ca. 7.4 air-miles east by southeast of Goose Lake State Recreation Area, ca. 0.7 air-miles south of Oregon border, ca. 3.3 air-mile northwest of summit of Bidwell Mtn. 2209 Comment
  RSA252422  Carex utriculata Robert F. Thorne, C. W. Tilforth 1969-9-5 39157 Modoc Wet mud at margin of Clear Lake. Warner Mountains, Modoc National Forest. 1768 Comment
  SEINET7579428 Image available Carex utriculata Unknown 1969-9-5 39186 Modoc Margin of Pine Creek where it is crossed by Hwy 395, 3.4 mi S of Alturas. 1341 Comment
  HSC48305  Carex vernacula D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-22 19324 Modoc Soup Springs Campground Comment
  RSA0025570  Castilleja John F. Emmel 1996-7-16 1441 Modoc Foothills NNE of N end Surprise Valley, W of Cowhead Lake; along County Road 1, ca. 8.5 road mi NE of jct. with County Road 6 at Ft. Bidwell. 1659 Comment
  RSA504668  Castilleja angustifolia K. Paulson, R. Paulson 1988-5-24 17 Modoc Granger Canyon, Warner Mountains. 1494 Comment
  CAS-BOT-BC225999  Castilleja applegatei subsp. pinetorum John Thomas Howell 1934-6-11 11917 Modoc Parker Creek, Warner Mountains 1584 Comment
  CAS-BOT-BC229813  Castilleja applegatei subsp. pinetorum Bruce Bartholomew; Barrett Anderson 1988-6-24 4363 Modoc Vicinity of Patterson Campground, southern end of the Warner Mts.. 2190 Comment
  CAS-BOT-BC229821  Castilleja applegatei subsp. pinetorum Francis Whittier Pennell 1940-6-8 25735 Modoc Route 299, 8 mi. W of Canby. 1463 Comment
  JEPS27947  Castilleja applegatei subsp. pinetorum Frances D. Payne 1929-7-22 108 -A Modoc w slope Warner Mountains (Parker Creek drainage); , Parker Creek 1584 Comment
  JEPS86308  Castilleja applegatei subsp. pinetorum Jack and Betty Guggolz 1988-7-5 982 Modoc Comment
  JEPS9197  Castilleja applegatei subsp. pinetorum Rimo Bacigalupi with L. R. Heckard, George Bacigalupi and Ruth Sanderson 1952-6-19 3745 Modoc 7 mi e Cedar Pass road junction with U.S. Hwy. 399 (along road to Cedar Pass) 1584 Comment
  POM260343  Castilleja applegatei subsp. pinetorum C. L. Hitchcock 1940-5-27 6677 Modoc 15 miles northeast of Alturas. 1616 Comment
  POM45032  Castilleja applegatei subsp. pinetorum R. M. Austin 1895-07 529 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
  UC885467  Castilleja applegatei subsp. pinetorum C. L. Hitchcock 1940-5-27 6677 Modoc 15 mi ne Alturas 1615 Comment
  CHSC109740  Castilleja arachnoidea B. Castro; L. P. Janeway 2012-7-26 1971 Modoc Warner Mountains. Top of Yellow Mountain; topmost part and western edge (at the edge of a steep dropoff to the northwest). 2453 Comment
  JEPS81045  Castilleja arachnoidea J. P. Smith and J. O. Sawyer 1973-8-8 7236 Modoc near or at Eagle Peak summit; Eagle Peak 2987 Comment
  HSC80804  Castilleja arachnoidea G. M. Riegel 1980-7-9 857 Modoc South Warner Mts. 1829 Comment
  JEPS4549  Castilleja campestris subsp. campestris Milo S. Baker 1893-7-24 Modoc Egg Lake Comment
  SBBG6767  Castilleja chromosa H. and M. Dearing 1939-6-9 3626 Modoc Warner Mtns [near Squaw Peak?] 2133 Comment
  CAS-BOT-BC226027  Castilleja lacera Bruce Bartholomew; Barrett Anderson 1989-6-1 4725 Modoc Shake Spring, NW side of Shaffer Mountain. 1500 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
  CAS-BOT-BC226039  Castilleja linariifolia Elmer Ivan Applegate 1929-7-29 6091 Modoc Clear Lake Dam. Comment
  CAS-BOT-BC226043  Castilleja linariifolia Elmer Ivan Applegate 1929-7-28 6082 Modoc N of Clear Lake. Comment
  UC725308  Castilleja linariifolia A. A. Heller 1940-6-29 15746 Modoc about 5 mi w Alturas (on U.S. Hwy 299) Comment
  UC748087  Castilleja miniata Annie M. Alexander and Louise Kellogg 1946-7-29 5088 Modoc Head of Eagle Creek; Warner Mountains Comment
  RSA0010941  Castilleja minor subsp. minor H. L. Mason 1947-8-11 13493 Modoc On Highway 81, west margin of Lower Lake, near boundary between Lassen and Modoc counties. Comment
  CHSC112112  Castilleja pilosa L. P. Janeway; B. Castro 2014-6-2 11288 Modoc Great Basin. Along County Road 5 1.0 km west of the southwest corner of Cow Head Lake. 1627 Comment
  JEPS79123  Castilleja pilosa L. R. Heckard with R. Bacigalupi 1980-6-10 5226 Modoc sw margin Egg Lake (now dry); Egg Lake Comment
  CAS-BOT-BC226066  Castilleja pilosa Milo Samuel Baker 1893-6-12 s.n. Modoc Modoc County. Comment
  CAS-BOT-BC226067  Castilleja pruinosa Bruce Bartholomew 1990-6-15 5222 Modoc W side of Deer Spring Ridge in vicinity of Reid Draw, ca. 1 km N of the Lasson Co. border. 1540 Comment
  JEPS3910  Castilleja pruinosa W. L. Jepson 1918-8-14 7993 Modoc Jess Valley 1584 Comment
  CAS-BOT-BC226073  Castilleja tenuis Annie Montague Alexander; L. Kellogg 1946-6-14 4769 Modoc Below lava slope, Silver Creek branch of Patterson Mill road. 1828 Comment
  CAS-BOT-BC217140  Ceanothus cuneatus var. cuneatus Bruce Bartholomew 1995-5-12 6897 Modoc SW flank of White Horse Mountains between Day and Day Rock. 1210 Comment
  UC18346  Ceanothus integerrimus Milo S. Baker 1893-7-8 Modoc Comment
  POM126434  Ceanothus prostratus B. C. Goldsmith 1911-5-20 21 Modoc Sugar Hill, W slope Warner Mts. 1524 Comment
  RSA564302  Ceanothus prostratus George K. Helmkamp, E. A. Helmkamp 1993-5-4 139 Modoc 16.1 miles northwest of Canby. Along California Highway 139. 1280 Comment
  UC1035976  Ceanothus velutinus Helen K. Sharsmith 1955-6-25 4505 Modoc on trail to Mill Creek Falls and Clear Lake (Warner Mountains); Modoc National Forest, Warner Mountains 1752 Comment
  UC452545  Ceanothus velutinus Franklin P. Nutting Modoc Forestdale Forestdale (Northern California) Comment
  CHSC106187  Centaurea cyanus Lowell Ahart; John Dittes 2010-8-31 17100 Modoc On the west side of Elkins Lane, about 100 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. 1267 Comment
  JEPS121213  Centaurea cyanus Lowell Ahart, John Dittes 2013-7-24 18937 Modoc South bank of Ash Creek Canal, S of Ash Creek, Ash Creek State Wildlife Area, 0.79 air miles S of County Road 87, 1.73 air miles W of Adin, Big Valley. Comment
  UC912667  Centaurea cyanus F. H. Frost 1925-7-24 124 Modoc Jess Valley Warner Mountains, Jess Valley Comment
  CAS-BOT-BC15100  Centaurea virgata subsp. squarrosa G. Schoolcraft 1985-6-17 1431 Modoc NW of Lookout. 1264 Comment
  UC15109  Cercis occidentalis Milo S. Baker 1893-8-12 Modoc sw mountain side Comment
  HSC80691  Cercocarpus ledifolius G. M. Riegel 1979-9-1 725 Modoc S Warner Mtns. 1739 Comment
  NY848755  Cercocarpus ledifolius var. intermontanus C. L. Hitchcock 1940-5-27 6689 Modoc 15 miles northeast of Alturas 1615 Comment
  CAS-BOT-BC197530  Cercocarpus ledifolius var. ledifolius Barrett Anderson 1986-7-10 3194 Modoc West Warner Rd N of the North Fork of Pine Creek. 1965 Comment
  UC1127899  Cercocarpus ledifolius var. ledifolius R. C. Wilson 1933-7-16 63 Modoc Rush Creek, Modoc National Forest Rush Creek; Modoc National Forest, Rush Creek 1447 Comment
  UC859417  Cercocarpus ledifolius var. ledifolius Lewis S. Rose 1940-6-13 40553 Modoc Fandango Pass 1905 Comment
  CAS-BOT-BC15060  Chaenactis douglasii var. douglasii Annie Montague Alexander; L. Kellogg 1946-7-24 5076 Modoc Horse Mountain, Warner Mts. Comment
  CAS-BOT-BC15067  Chaenactis douglasii var. douglasii Annie Montague Alexander; L. Kellogg 1946-7-7 4936 Modoc Eight Mile Creek, northeast corner of county 1752 Comment
  CAS-BOT-BC15073  Chaenactis douglasii var. douglasii K. Paulson; Robert Paulson 1989-6-21 151 Modoc Vicinity of Granger Creek, E side of the Warner Mts. Comment
  HSC67903  Chaenactis douglasii var. douglasii J. P. Smith, J. O. Sawyer 1973-8-8 7245 Modoc S slopes of Eagle Peak 2561 Comment
  JEPS44978  Chamaebatiaria millefolium L. S. Smith 1918-8-7 1012 Modoc Black Knob, Camp One Black Knob; , Camp One 2438 Comment
Read comments
Jul 14 2013
  CAS-BOT-BC245411  Chamaesaracha nana Alice Eastwood; John Thomas Howell 1940-6-13 8191 Modoc W side of Cedar Pass. Comment
  CAS-BOT-BC245423  Chamaesaracha nana Elmer Ivan Applegate 1897-5-30 862 Modoc Timbered Mountain, S of Dry Lake. Comment
  HSC80796  Chamaesaracha nana G. M. Riegel 1980-7-3 823 Modoc S Warner Mtns. 2100 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
  RSA210820  Chamaesyce serpillifolia R. F. Thorne, J. Henrickson, C. W. Tilforth, K. Thorne 1969-9-4 39082 Modoc E. shore of Goose Lake at Willow Ranch. 1433 Comment
  UC748246  Chamaesyce serpyllifolia Annie M. Alexander and Louise Kellogg 1946-6-20 4808 Modoc field below town Eagleville 1440 Comment
  CDA35279  Chamaesyce serpyllifolia Louis C. Wheeler 1963-8-24 s.n. Modoc Warner Mountains; Sworinger Reservoir. 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
  CAS-BOT-BC95526  Chenopodium hians Alice Eastwood; John Thomas Howell 1940-6-13 8173 Modoc Near Cedarville. Comment
  NY537268  Chenopodium pumilio L. C. Wheeler 1935-8-3 3758 Modoc Rock Lake, Pine Creek, Warner Mountains 1920.2 Comment
  UCD14407  Chenopodium rubrum 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
  CAS-BOT-BC95665  Chimaphila umbellata Leland S. Smith 1917-9-18 162 Modoc Lassen Creek. 1828 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-BC15001  Chrysothamnus nauseosus subsp. albicaulis Elmer Ivan Applegate 1936-9-22 11058 A Modoc Fleeners Chimneys, Lava Beds National Monument. Comment
  CAS-BOT-BC15041  Chrysothamnus nauseosus subsp. albicaulis F. Angwin 1945-10-7 s.n. Modoc Big Valley near Adin. 1280 Comment
  CAS-BOT-BC15036  Chrysothamnus nauseosus subsp. consimilis Elmer Ivan Applegate 1932-8-6 8198 Modoc E side of Middle Lake, Surprise Valley. Comment
  CAS-BOT-BC14982  Chrysothamnus viscidiflorus subsp. puberulus Bruce Bartholomew 1991-8-6 6093 Modoc 9 km E of Eagleville, Surprise Valley. 1450 Comment
  JEPS117374  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
  SBBG128255  Chrysothamnus viscidiflorus subsp. viscidiflorus L. Ahart, J. Dittes 2010-8-30 17061 Modoc near the homestead, ca. 100 yards E of the fence, Ash Crk State Wildlife Area, 2300 feet N of Lassen County Line, ca. 3.6 mi W of Adin, ca. 8 mi NE of Bieber, Big Valley 1267 Comment
  SEINET10879186  Chrysothamnus viscidiflorus subsp. viscidiflorus Andrew Townesmith, Karen M. Meyer 2007-9-15 Townesmith 926 Modoc Modoc National Forest, Warner Mountain Ranger District. Along state route 299, 10.9 miles west of junction with US route 395. At Cedar Pass. T43N R15E S28 SW 1/4. 1928 Comment
  CDA38302  Cicuta douglasii T. C. Fuller 1959-7-8 s.n. Modoc 3.4 miles east of Tulelake. 0 Comment
  JEPS15742  Cicuta maculata var. angustifolia W. L. Jepson 1918-8-9 7921 Modoc Fort Bidwell 1432 Comment
  UC420741  Cicuta maculata var. angustifolia Mrs. M. H. Manning 1903-7 197 Modoc near Fort Bidwell (in north-eastern Modoc County) Comment
  CAS-BOT-BC191004  Circaea alpina subsp. pacifica Bruce Bartholomew; Barrett Anderson 1988-7-22 4524 Modoc Vicinity of Emerson Campground E side of the Warner Mts.. 1830 Comment
  CAS-BOT-BC191005  Circaea alpina subsp. pacifica Francis Dorris Payne 1935-7-19 801 Modoc Parker Creek. 1584 Comment
  CAS-BOT-BC191008  Circaea alpina subsp. pacifica Bruce Bartholomew; Barrett Anderson 1990-7-20 5535 Modoc Buck Creek between Del Pratt Spring and Howard Flat, W side of Warner Mts. 1990 Comment
  RSA520382  Circaea alpina subsp. pacifica Bruce Bartholomew, B. Anderson 1990-7-20 5535 Modoc Buck Creek between Del Pratt Spring and Howard Flat, W side of Warner Mtns 1990 Comment
  CDA21202  Cirsium K. Haas 2007-2-6 PDR 1402971 Modoc Modoc Plateau; County Rd. 1, Cedarville. 0 Comment
  CAS-BOT-BC14964  Cirsium cymosum Annie Montague Alexander; L. Kellogg 1946-6-14 4766 Modoc Silver Creek branch of Patterson Mill Road. 1828 Comment
  CAS-BOT-BC14967  Cirsium cymosum Bruce Bartholomew; Barrett Anderson 1988-6-25 4379 Modoc SW side of Jess Valley, Warner Mts.. 1540 Comment
  HSC94158  Cirsium cymosum B. Villegas 1998-8-19 Modoc Nr. New Pine Creek, 3.6 mi. E of Fandango Pass on Hwy. 395 Comment
  CAS-BOT-BC14973  Cirsium douglasii var. breweri Herbert Louis Mason 1947-8-11 13500 Modoc Hwy 81, N of Modoc-Lassen County line. Comment
  CDA1197  Cirsium douglasii var. breweri T. C. Fuller 1975-9-4 20098 Modoc Lunsford Spring near California Pines. Comment
  RSA608618  Cirsium douglasii var. breweri L. C. Wheeler 1935-9-10 3966 Modoc 1 mile S McGinty Reservoir, Devil's Garden 1463 Comment
  CAS-BOT-BC14932  Cirsium occidentale var. candidissimum Robert Folger Thorne; C. W. Tilforth 1969-9-5 39183 Modoc 3.3 mi. N of Likely. 1356 Comment
  HSC5400  Cirsium occidentale var. candidissimum M. T. Milligan 1966-7-7 564 Modoc East of Jess Valley, Warner Mtns. 1738 Comment
  UC748160  Cirsium occidentale var. candidissimum Annie M. Alexander and Louise Kellogg 1946-6-18 4803 Modoc Patterson Mill - Silver Creek roads Comment
  RSA0070698  Cirsium occidentale var. candidissimum F. H. Frost 1925-7-11 16 Modoc Cedar Canyon campsite, 2 miles above Cedarville. Comment
  CDA31791  Cirsium ochrocentrum K. Haas 2007-2-6 PDR# 1402971 Modoc County Rd 1, Cedarville 0 Comment
  JEPS126548  Clarkia gracilis Lowell Ahart, John Dittes 2016-6-6 20943 Modoc About 50 yards southwest of the intersection of County Road 87 and Access Road to Pilot Butte Parking Area, northeast base of Pilot Butte, 3.8 miles (air) east of Lookout, 7.5 miles (air) west of Adin, Ash Creek State Wildlife Area. Comment
  CAS-BOT-BC191075  Clarkia gracilis subsp. gracilis John Thomas Howell 1934-6-12 12003 Modoc Davis Creek Comment
  CHSC117035  Clarkia gracilis subsp. gracilis Lowell Ahart; John Dittes 2016-6-6 20943 Modoc About40 yards west of the dirt road, about 50 yards southwest of the intersection of County Road 87 and Access Road to Pilot Butte Parking Area, northeast base of Pilot Butte 3.8 miles (air) east of Lookout, 7.5 miles (air) west of Adin, Ash Creek State Wildlife Area. 1271 Comment
  LA47493  Clarkia gracilis subsp. gracilis Clare B. Hardham; 1961-6-19 7522 A Modoc Warner Mountains, Willow Creek 1676 Comment
  CAS-BOT-BC191050  Clarkia lassenensis Alice Eastwood; John Thomas Howell 1940-6-14 s.n. Modoc Near Hackamore. Comment
  CAS-BOT-BC191044  Clarkia rhomboidea Annie Montague Alexander; L. Kellogg 1946-6-28 4863 Modoc Pine Creek Canyon. 1615 Comment
  CAS-BOT-BC191045  Clarkia rhomboidea Robert J. Weatherby 1955-7-8 1622 Modoc 6 mi. N of Ft Bidwell. 1737 Comment
  CAS-BOT-BC191048  Clarkia rhomboidea Bruce Bartholomew 1989-7-14 4950 Modoc ca. 6.5 km NE of Egg Lake and 0,8 km E of Survice Gulch. 1340 Comment
  HSC64514  Clarkia rhomboidea J. P. Smith, J. O. Sawyer 1973-8-9 7258 Modoc Blue Lake, Modoc National Forest 1829 Comment
  RSA41240  Clarkia rhomboidea A. M. Alexander, Louise Kellogg 1946-6-28 4863 Modoc Pine Creek Canyon, north end of Warner Mountains 1616 Comment
  UC748245  Clarkia rhomboidea Annie M. Alexander and Louise Kellogg 1946-6-28 4863 Modoc Pine Creek Canyon, n end of mountains Warner Mountains 1615 Comment
  SEINET10632445  Clarkia rhomboidea Peter H. Raven, Otto T. Solbrig 1958-6-18 Raven 13309 Modoc Cottonwood Flat Camp Ground, Modoc National Forest. Comment
  SEINET10837715  Clarkia rhomboidea Nancy R. Morin 1978-7-7 Morin 263 Modoc Fandango Pass (Ca 8 miles E of S end of Goose Lake). Ca. 6000 feet. Dry rocky areas. 1830 Comment
  CAS-BOT-BC197444  Claytonia lanceolata Harry Dwight Dillon Ripley; Rupert Charles Barneby 1944-6-1 6003 Modoc Cedar Pass. 1920 Comment
  CAS-BOT-BC248356  Claytonia lanceolata B. Bartholomew; H. Sun 2002-6-24 8839 Modoc Ca. 1 km NW of Bald Mt., E side of the Warner Mountains 2290 Comment
  NY497244  Claytonia lanceolata A. M. Alexander 1946-6-15 4773 Modoc Deep Creek 2133.6 Comment
  UC7862  Claytonia lanceolata Mrs. R. M. Austin Jun 1898 Modoc Lake City canyon Comment
  SEINET195684 Image available Claytonia lanceolata var. sessilifolia Louise Kellogg 1946-6-15 4780 b Modoc Deep Creek 2190 Comment
  JEPS101050  Claytonia megarhiza Dean Wm. Taylor with Glenn L. Clifton 1989-8-5 10463 Modoc Warner Mountains, steep northeast face Eagle Peak 2880 Comment
  CAS-BOT-BC197429  Claytonia perfoliata subsp. intermontana Bruce Bartholomew; Barrett Anderson 1989-6-1 4734 Modoc Shake Spring, NW side of Shaffer Mountain. 1500 Comment
  CAS-BOT-BC197437  Claytonia perfoliata subsp. intermontana John Thomas Howell 1934-6-11 11953 Modoc Parker Creek. 1584 Comment
  JEPS43368  Claytonia perfoliata subsp. intermontana Frances D. Payne 1931-6-22 239 Modoc s and e of Alturas (Dry Creek, tributary of Parker Creek); Warner Mountains, Parker Creek, Dry Creek 1828 Comment
  CAS-BOT-BC197469  Claytonia rubra subsp. rubra Belknap C. Goldsmith 1912-4-20 76 Modoc Near Cedarville at foot of Warner Mts. 1493 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
  HSC17710  Claytonia rubra subsp. rubra M. T. Milligan 1965-6-27 352 Modoc E slope of eroded volcanic plateau. 1677 Comment
  CAS-BOT-BC226092  Collinsia parviflora Milo Samuel Baker; Franklin P. Nutting 1894-6-4 s.n. Modoc Little Hot Spring Valley. Comment
  CAS-BOT-BC229856  Collinsia parviflora Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16430 Modoc Near summit of Cedar Pass, between Alturas & Cedarville 1920 Comment
  CAS-BOT-BC229857  Collinsia parviflora F. Angwin 1946-4-6 s.n. Modoc Yowell Ranch, Adin. 1371 Comment
  HSC20611  Collinsia parviflora M. T. Milligan 1965-6-23 292 Modoc N end Jess Valley 1616 Comment
  RSA59930  Collinsia parviflora E. K. Balls 1950-5-11 14619 Modoc 8 mi. n. of Lake City, w. shore Upper Lake. 1418 Comment
  SEINET10317272 Image available Collinsia parviflora B. Bartholomew 1991-6-20 5780 Modoc NE side of Barber Ridge, 10 lm NW of Adin on road to Fox Mountain 1580 Comment
  UC1025094  Collinsia parviflora Leo Whitney 1934-5-2 1655 Modoc near Hockamore (Modoc National Forest); Modoc National Forest 1463 Comment
  UC26633  Collinsia parviflora Mrs. R. M. Austin Apr 1894 Modoc Davis Creek Comment
  HSC20612  Collinsia parviflora M. T. Milligan 1964-6-20 56 Modoc 2 mi. N on Pencil Rd. from Hwy. 395 1372 Comment
  JEPS6207  Collinsia parviflora J. T. Howell 1934-6-14 12135 Modoc Lost Lake; Warner Mtns Comment
  JEPS17635  Collinsia torreyi var. wrightii Rimo Bacigalupi with G. Thomas Robbins 1955-7-20 5399 Modoc 3.3 mi e Patterson Ranger Station (flat at summit of forest rd across s end of Warner Range); Warner Mtns 2225 Comment
  CAS-BOT-BC190735  Collomia grandiflora Bruce Bartholomew; Barrett Anderson 1988-6-25 4386 Modoc 5.6 km NW of State Highway 299 on County Road 73. 1500 Comment
  CAS-BOT-BC190738  Collomia grandiflora Bruce Bartholomew; Barrett Anderson 1988-7-21 4416 Modoc Whitehorse Mts., 11 km N of Day on the road to Whitehorse Flat Reservoir. 1340 Comment
  JEPS70992  Collomia grandiflora W. L. Jepson 1918-8-6 7842 Modoc Surprise Valley 1447 Comment
  JEPS71051  Collomia linearis Leland S. Smith 1918-7-15 1000 Modoc Mill Creek Corral-Pasture Modoc <National> Forest, Warner Mts. (w slope to flats) Comment
  CAS-BOT-BC190707  Collomia tinctoria Bruce Bartholomew 1993-6-12 6580 Modoc Road to Day Rock from Little Hot Spring Valley. 1250 Comment
  CAS-BOT-BC225786  Comandra umbellata subsp. californica Bruce Bartholomew; Barrett Anderson 1988-5-14 4197 Modoc 0.8 km W of Goose Lake on USFS road 47N09 to Crowder Flats. 1430 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
  UCD126204  Convolvulus arvensis Herbert L. Mason; Verne Grant 1947-7-10 13338 Modoc Dorris Reservoir, 2 miles east of Alturas. Comment
  UC429103  Corallorhiza striata Franklin P. Nutting Modoc near Whitehorse Lake Comment
  SJSU9373  Cordylanthus ramosus W. Savage 1979-7-3 1273 .5 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  CAS-BOT-BC95602  Cornus sericea R. M. Austin 1895-7-1 503 Modoc Davis Creek. Comment
  RSA252457  Cornus stolonifera R. F. Thorne, C. W. Tilforth, K. Thorne 1969-9-5 39177 Modoc South Fork of Pit River at bridge, 3.8 miles E. of Likely. 1387 Comment
  POM97790  Corydalis aurea subsp. aurea Mrs. R. M. Austin 1884-06 s.n. Modoc Modoc County: Pilt River Comment
  CHSC100512  Crataegus castlegarensis Lowell Ahart; John Dittes 2008-8-26 15334 Modoc Southeast side of Rose Creek, 750 feet southwest of confluence of Rose Creek and Pit River, on the northwest side of unnamed road, 2660 feet east of intersection with County Road 85a, 9.3 miles (air) north-northeast of Lookout. 1276 Comment
  JEPS114435  Crataegus castlegarensis Lowell Ahart, John Dittes 2008-8-26 15334 Modoc Southeast side of Rose Creek, 750 feet southwest of confluence of Rose Creek and Pit River, on the northwest side of unnamed road, 2660 feet east of intersection with County Road 85a, 9.3 miles (air) north-northeast of Lookout 1276 Comment
  CAS-BOT-BC14901  Crepis acuminata Bruce Bartholomew 1991-8-4 6016 Modoc Drift Fence Tank, ca. 8 km directly W of Goose Lake. 1580 Comment
  CAS-BOT-BC14909  Crepis acuminata John Thomas Howell 1934-6-30 12289 Modoc Duncan Horse Camp Comment
  CAS-BOT-BC14949  Crepis acuminata K. Paulson 1989-7-2 164 Modoc Happy Camp Lookout. 1850 Comment
  CDA4470  Crepis acuminata J. R. Keck Jr., Pfeiffer 1985-6-6 PDR 237691 Modoc Forest land near Lookout Junction, southwest corner of Modoc County. 0 Comment
  CAS-BOT-BC14864  Crepis intermedia Bruce Bartholomew 1991-7-5 5951 Modoc Coyote Meadow, near the Oregon border. 1580 Comment
  CAS-BOT-BC14882  Crepis modocensis Alice Eastwood; John Thomas Howell 1940-6-13 8148 Modoc Fandango Pass. Comment
  CAS-BOT-BC248361  Crepis modocensis B. Bartholomew; H. Sun 2002-6-24 8844 Modoc E of Bald Mt., on the E side of the Warner Mountains 2170 Comment
  CAS-BOT-BC14886  Crepis modocensis subsp. subacaulis Bruce Bartholomew; Barrett Anderson 1988-5-14 4207 Modoc Hager Basin Reservoir between Crowder Flats and Big Sage Reservoir on USFS road 48N08. 1530 Comment
  CAS-BOT-BC14867  Crepis occidentalis Bruce Bartholomew 1992-5-16 6338 Modoc Burned area along County Road 91, ca. 2.5 km S of turn off to Happy Camp Ranger Station. 1390 Comment
  POM261273  Crepis occidentalis C. L. Hitchcock 1940-5-27 6706 Modoc 15 miles NE of Alturas. 1677 Comment
  SBBG8043  Crepis occidentalis H. and M. Dearing 1939-6-8 3590 Modoc near Goose Lake 1219 Comment
  CAS-BOT-BC14916  Crepis occidentalis subsp. occidentalis George Ledyard Stebbins; J. A. Jenkins 1937-7-15 2367 Modoc Center of Round Valley. 1066 Comment
  UC581323  Crepis occidentalis subsp. occidentalis G. L. Stebbins Jr. and J. A. Jenkins 1937-7-15 2366 Modoc Round Valley; center, along state hwy 1060 Comment
  HSC5450  Crepis occidentalis subsp. pumila M. T. Milligan 1965-7-1 411 Modoc Plateau W of Jess Valley. 1829 Comment
  RSA164313  Crepis occidentalis subsp. pumila Clare B. Hardham 1961-6-18 7562 Modoc Cedar Pass. 1829 Comment
  CAS-BOT-BC14832  Crocidium multicaule Bruce Bartholomew; Barrett Anderson 1989-4-30 4710 Modoc 0.8 km S of Centerville Rd. (Co. road 54) on road to Ralston Gulch (Co. road 77). 1400 Comment
  CAS-BOT-BC14873  Crocidium multicaule E. S. Willits 1940-4-21 189 Modoc Near quarantine station, Alturas. 1371 Comment
  UC84171  Crocidium multicaule Mrs. R. M. Austin 1884-6-1 Modoc plains of Goose Lake Valley Comment
  SEINET9592040  Croton setiger M. J. Williams 1985-8-13 85- 67 -1 Modoc Road into S end of Big Sage Reservoir, NW of Alturas. 1524 Comment
  SJSU9644  Crypsis alopecuroides W. Savage 1979-7-8 1473 Modoc Round Valley Unit, Devils Garden District, Modoc National Forest 1493 Comment
  UC1140902  Crypsis vaginiflora L. Whitney 1935-7-21 3563 Modoc Stone Coal Valley Pit River Comment
  UC589921  Crypsis vaginiflora Leo Whitney 1935-7-21 3563 Modoc Stone Coal Valley Pitt River Comment
  CAS-BOT-BC54135  Cryptantha ambigua Alice Eastwood; John Thomas Howell 1940-6-11 8028 Modoc 8 mi. from Canby on road to Alturas. 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
  UC1478049  Cryptantha celosioides Gregg Riegel 1980-7-14 877 Modoc 0.5 mi nw Emerson Trail Head Rd. (from Sec 10 and 11, S Warner Mt. Wilderness Area); Modoc National Forest, Warner Mt. Wilderness Area 1889 Comment
  CAS-BOT-BC54140  Cryptantha circumscissa John Thomas Howell 1934-6-13 12097 Modoc Patterson Mill Road. 1676 Comment
  UC748450  Cryptantha intermedia Annie M. Alexander and Louise Kellogg 1946-6-10 4713 Modoc above Snake Lake Comment
  CAS-BOT-BC54115  Cryptantha simulans Alice Eastwood; John Thomas Howell 1940-6-13 8169 Modoc Cedarville. Comment
  UC402820  Cryptantha simulans Milo S. Baker 1890-1 Modoc Forestdale Comment
  UC748457  Cryptantha subretusa Annie M. Alexander and Louise Kellogg 1946-8-8 5125 Modoc Patterson Lake Trail Warner Mountains Comment
  CAS-BOT-BC54122  Cryptantha torreyana John Thomas Howell 1934-6-13 12044 Modoc Fandango Pass, Warner Mountains 1828 Comment
  UCR143030  Cupressus bakeri C. O. Stone 1963-12-26 278 Modoc Modoc Plateau, approximately 1.5 miles south of Gassaway Reservoir 1098 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
  CAS-BOT-BC95627  Cuscuta approximata Francis Dorris Payne 1932-6-10 732 Modoc Parker Creek. 1584 Comment
  RSA195413  Cycladenia humilis Elmer I. Applegate 1936-5-21 10337 Modoc Lava Beds National Monument. Basin in midst of Big Lava Flow, north of Cinder Cone, 1/2 mile north of RR tract at Lava Summit. Comment
  UC24758  Cynoglossum occidentale Milo S. Baker 1893-7-10 Modoc Forestdale Comment
  UC190418  Cyperus squarrosus M. S. Baker and Frank Nutting 1894-8-20 Modoc Forestdale 1371 Comment
  UCR168541  Cyperus squarrosus L. C. Wheeler 1935-9-3 3938 Modoc McGinty Reservoir, Devil's Garden 1463 Comment
  CAS-BOT-BC136513  Cypripedium montanum Franklin P. Nutting June 24 3025 Modoc Field redacted by CAS, contact the data manager for more information Comment
  UC1597990  Cystopteris fragilis Alan R. Smith with Christopher Richard, and C. Don MacNeill 1993-5-8 2547 Modoc e edge Lava Beds Nat'l Monument (ca. 100 meters e of Siskiyou Co line, breakdown trenches 35 meters s of spur rd to Fern Cave, 50-60 meters e of junction with Lyons Rd) 1249 Comment
  CAS-BOT-BC242496  Dactylis glomerata Bruce Bartholomew; Barrett Anderson 1988-7-22 4474 Modoc Vicinity of East Creak Trailhead, southern end of the Warner Mts. 2210 Comment
  CAS-BOT-BC245212  Damasonium californicum Bruce Bartholomew 1991-6-21 5826 Modoc Vicinity of Drift Fence Tank, 2 km S of Forest Service road 73 on road to Rim Rock Valley. 1580 Comment
  CHSC71892  Damasonium californicum Vernon H. Oswald; Lowell Ahart 1998-9-8 9596 Modoc County Rd. 95 at Taylor Creek northwest of Lookout and ca. 0.5 air mi northeast of Lookout Junction. 1280 Comment
  HSC2885  Damasonium californicum M. T. Milligan 1964-7-1 112 Modoc W end of Ballard's Reservoir, along shore. 1372 Comment
  UC1523805  Damasonium californicum Gregg Reigel 1981-7-13 1155 Modoc near Lookout Lookout 1280 Comment
  JEPS68523  Danthonia californica L. S. Smith 1917-7-19 119 Modoc Joseph Creek Warner Mts. 1981 Comment
  CAS-BOT-BC242485  Danthonia unispicata Bruce Bartholomew; Barrett Anderson 1990-7-20 5538 Modoc Buck Creek between Del Pratt Spring and Howard Flat, W side of Warner Mts. 1990 Comment
  CAS-BOT-BC242488  Danthonia unispicata Bruce Bartholomew 1990-6-17 5346 Modoc 4 km N of Buck Creek Ranger Station at turn off to Del Prat Spring, W side of Warner Mts. 1900 Comment
  SBBG524  Danthonia unispicata A. A. Beetle 1941-6-29 2884 Modoc near summit of Mt Adin 1828 Comment
  UC163598  Danthonia unispicata Milo S. Baker Modoc near Egg Lake Comment
  UCD61368  Danthonia unispicata Beecher Crampton 1960-6-17 5685 Modoc 5 miles south of Perez, Plant Quarantine Station area. 1371 Comment
  NY487637  Delphinium depauperatum B. M. Bartholomew 1990-8-4 5623 Modoc Slope on north side of Pine Creek Basin on trail to Patterson Lake, west side of Warner Mountains 2380 Comment
  UC118657  Delphinium depauperatum Mrs. R. M. Austin 1894-1 Modoc Willow Creek Comment
  RSA520359  Delphinium nudicaule Bruce Bartholomew 1989-6-3 4919 Modoc Stone Coal Valley, 3km E of State Hwy 299. 1400 Comment
  CAS-BOT-BC217279  Delphinium nuttallianum Edward Kent Balls; N. N. Thompson 1950-5-17 14733 Modoc SW of Double Head, 7.5 km from Hwy 139, S of Clear Lake Burs Refuge. 1463 Comment
  CAS-BOT-BC217319  Delphinium nuttallianum Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-12 6526 Modoc W side of Whitehorse Reservoir. 1360 Comment
  CAS-BOT-BC248330  Delphinium nuttallianum B. Bartholomew; H. Sun 2002-6-24 8819 Modoc Just SW of Manzanita Mt. and ca. 15 straight line km NW of Aden 2000 Comment
  HSC25014  Delphinium nuttallianum M. T. Milligan 1966-7-3 526 Modoc N end of Jess Valley 1616 Comment
  RSA398670  Delphinium nuttallianum Christopher Davidson 1973-5-26 2148 Modoc 1 mile N of Adin Summit on St. Hwy 299; Modoc Nat'l Forest 1524 Comment
  CAS-BOT-BC242484  Deschampsia cespitosa subsp. cespitosa Bruce Bartholomew; Barrett Anderson 1988-7-22 4544 Modoc Benton Meadow, Warner Mts.. 2180 Comment
  RSA504639  Deschampsia danthonioides Bruce Bartholomew, B. Anderson 1988-6-23 4251 Modoc 4.2 km NW of Day. 1020 Comment
  UC1024896  Deschampsia danthonioides Leo Whitney 1935-5-23 3118 Modoc Bieberca. 15 mi. n.w. Camby (Lake Joaquina, near Dam); Modoc Nat'l Forest, Hackamore, Lake Joaquina 1463 Comment
  UCR163107  Deschampsia danthonioides Jim Andre 1993-7-3 1426 Modoc Modoc Plateau, about 10 miles NW of Canby on Hwy 139, near NW end of Oak Ridge 1494 Comment
  CAS-BOT-BC247772  Deschampsia elongata Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10549 Modoc Patterson Ranger Station (East Creek drainage). 2164 Comment
  UC1553389  Deschampsia elongata Sch/Yor/Hor/Ach 1988-7-16 1828 Modoc ca. 1 mi. s.e. Pepperdine Camp; Warner Mts. 2316 Comment
  CAS-BOT-BC58576  Descurainia incisa Barrett Anderson 1986-7-9 3164 Modoc Stough Reservoir Rd. just E of Cedar Pass near Stough Reservoir. 1965 Comment
  HSC81065  Descurainia incisa subsp. incisa G. M. Riegel 1979-7-5 501 Modoc S Warner Mtns. 2100 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-BC58437  Descurainia sophia F. Angwin 1946-4-14 Modoc Hillside near Alturas. Comment
  JEPS14814  Descurainia sophia W. P. Taylor and H. C. Bryant 1910-6-11 Modoc Alturas Warner Mountains, South Fork of Pit River (South Fork of Pit River) 1402 Comment
  JEPS53446  Descurainia sophia Frances D. Payne 1929-7-6 46 Modoc s and e of Alturas (Parker Creek); Warner Mountains, Parker Creek 1584 Comment
  SJSU9629  Descurainia sophia W. Savage 1979-7-7 1448 Modoc Triangle, E side Fairchild Swamp Unit, Devils Garden District 1493 Comment
  CAS-BOT-BC190763  Dicentra uniflora Leland S. Smith 1920-6-2 1163 Modoc Dismal Swamp. 2042 Comment
  RSA520437  Dicentra uniflora Bruce Bartholomew, M. Bourell 1990-4-28 5205 Modoc Top of Hunters Ridge south of Rush Creek 1960 Comment
  CAS-BOT-BC501064  Dichelostemma multiflorum L. S. Smith 1926-6-7 1889 Modoc Near Lake City, Tahoe Forest 1097 Comment
  JEPS79131  Dichelostemma multiflorum L. R. Heckard with R. Bacigalupi 1980-6-10 5234 Modoc about 10 mi nw Lookout (along the Great Northern Railroad grade); Great Northern Railroad Grade 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
  UC748385  Dieteria canescens var. shastensis Annie M. Alexander and Louise Kellogg 1946-8-8 5122 Modoc Patterson Lake Trail Warner Mountains, Patterson Lake Trail Comment
  CAS-BOT-BC14849  Dimeresia howellii Bruce Bartholomew 1991-5-24 5731 Modoc 2.9 km NE of road between Fort Bidwell and Fee Reservoir on road to Big Mud Lake. 1680 Comment
  CHSC75454  Dimeresia howellii V. H. Oswald; B. Corbin, A. Sanger, G. Schoolcraft 1999-6-12 9763 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
  CAS-BOT-BC234490  Diplacus nanus Mrs. H. C. Cantelow 1935-6-8 980 Modoc S of Malin. Comment
  CHSC57244  Diplacus pygmaeus David M. Thompson 1988-6-3 927 Modoc Egg Lake, S end. Between Kramer Reservoir and White Horse-Lookout road along intermittent stream; 2.3 rd mi W of railroad crossing. 1299 Comment
  CAS-BOT-BC95631  Dipsacus fullonum Bruce Bartholomew 1989-8-12 5137 Modoc 2 km W of Likely on County Road 60. 1370 Comment
  UCD64185  Distichlis spicata R. Tofsrud 1947-7-1 232 Modoc E of Cedarville, on Middle Alkali Lake bed. Comment
  UCR34703  Dodecatheon J. A. Harpel 1981-8-6 V- 27 Modoc Warner Mtns, South Warner Wilderness Area: E end of Patterson Lake, 7 mi NW of Eagleville 2744 Comment
  SEINET8553019  Dodecatheon alpinum W. Roderick 1969-6-14 s.n. Modoc Creek above Blue Lake. 1524 Comment
  UC201724  Dodecatheon alpinum W. P. Taylor and H. C. Bryant 1910-7-24 Modoc e face Warren Pk Warner Mountains, e face Warren Pk 2651 Comment
  HSC26507  Dodecatheon conjugens J. P. Smith, J. O. Sawyer 1972-5-6 5256 Modoc FS road to Quail Spring at Hwy. 299, N of Adin 1463 Comment
  SEINET3163994  Dodecatheon conjugens E. K. Balls 1950-5-11 14628 Modoc 8.1 mi. northeast of Fort Bidwell, above Cow Head Lake, along 8-mile Creek 1463 Comment
  UC1123263  Dodecatheon conjugens R. C. Wilson 1933-5-26 31 Modoc above Pothole Gulch; Modoc National Forest, Canby Quadrangle Comment
  POM76690  Dodecatheon conjugens R. M. Austin 1895-04 560 Modoc Goose Lake Valley. Comment
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  CAS-BOT-BC218276  Dodecatheon conjugens var. conjugens Bruce Bartholomew; Barrett Anderson 1988-5-12 4119 Modoc S side of Egg Lake, ca. 1.5 km W of the Burlington Northern railroad track. 1300 Comment
  CAS-BOT-BC218277  Dodecatheon conjugens var. conjugens John Thomas Howell 1934-6-11 11976 Modoc Parker Creek. 1584 Comment
  JEPS101744  Dodecatheon pulchellum Dean W. Taylor 1992-5-8 12561 Modoc Warner Mountains, Mt. Bidwell, ca. 0.5 miles E of Moonlite Mines 2432 Comment
  CDA13455  Downingia bacigalupii G. F. Hrusa, T. D. Wilfred 1996-7-21 13302 Modoc Modoc Plateau; Adjacent to Modoc Co. Rd. 90 bridge over Pit River. E base of Splawn Mtn. N end of Big Valley. Comment
  UC102235  Downingia bacigalupii Mrs. R. M. Austin Jul 1894 Modoc Goose Lake Valley Comment
  UC28969  Downingia bacigalupii Milo S. Baker 1893-7-25 Modoc near shore of Egg Lake Comment
  JEPS108446  Downingia bacigalupii Lisa Schultheis 1996-6-28 310 -96 Modoc Along E side of route 139, 18.1 mi S of Tionesta Rd. turnoff to Lava Beds. Comment
  RSA504647  Downingia bacigalupii Bruce Bartholomew, B. Anderson 1988-6-23 4236 Modoc 2.1 km SSE of Day on the road to State Highway 299. 1020 Comment
  UC1368462  Downingia bicornuta var. bicornuta R. K. Gierisch 1969-7-16 3547 Modoc Spaulding Reservoir 1432 Comment
  UC1537635  Downingia bicornuta var. bicornuta Gordon H. True Jr. 1939-6-25 1034 Modoc ne of Alturas; Boles Meadow Comment
  HSC3847  Downingia elegans M. T. Milligan 1964-7-1 118 Modoc W end of Ballard's Resvr. 1372 Comment
  CAS-BOT-BC95138  Downingia insignis Mrs. H. C. Cantelow 1940-5-31 4000 Modoc E of Canby. Comment
  UC890623  Downingia insignis Lewis S. Rose 1940-6-11 40511 Modoc Canby 1325 Comment
  JEPS114687  Downingia laeta Lowell Ahart, John Dittes 2008-6-21 14984 Modoc In the drying pond, north of the large culvert, east of the large levee, in Big Valley, about 2.8 miles (air) north of the Headquarters at Ash Creek State Wildlife Area, about 5.4 miles (air) northeast of Bieber 1255 Comment
  CAS-BOT-BC58288  Draba albertina Elmer Ivan Applegate 1932-8-2 8088 Modoc Mill Creek Meadows, Warner Mts. Comment
  HSC80858  Draba albertina G. M. Riegel 1980-8-29 1125 Modoc S Warner Mtns. 2439 Comment
  HSC80863  Draba albertina G. M. Riegel 1980-7-22 925 Modoc S Warner Mtns. 2402 Comment
  UC1258363  Draba albertina Gregg Riegel 1980-8-6 992 Modoc growing near Mill Ck (Upper Mill Ck Meadows); S Warner Mt. Wilderness, Upper Mill Ck Meadows 2499 Comment
  CAS-BOT-BC58554  Draba densifolia Annie Montague Alexander; L. Kellogg 1946-8-9 5126 Modoc Patterson Lake Trail, Warner Mts. Comment
  UC10484  Draba densifolia Mrs. Bruce 1898-1 Modoc 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-BC41932  Draba novolympica Annie M. Alexander; Louise Kellogg 1946-8-9 5134 Modoc Between Squaw Peak and Warren Peak, Patterson Lake Trail, Warner Mountains. Comment
  CAS-BOT-BC58590  Draba verna Bruce Bartholomew; Barrett Anderson 1989-4-29 4676 Modoc 6.4 km E of Fort Bidwell on road to Fee Reservoir, NE corner of Surprise Valley. 1460 Comment
  CAS-BOT-BC58594  Draba verna Bruce Bartholomew 1991-5-24 5730 Modoc 2.9 km NE of road between Fort Bidwell and Fee Reservoir on road to Big Mud Lake. 1680 Comment
  RSA520363  Draba verna Bruce Bartholomew, B. Anderson 1989-4-27 4620 Modoc 2.1 km SSE of Day on road to State Highway 299. 1020 Comment
  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-BC214772  Drymocallis glandulosa K. Paulson; Robert Paulson 1988-6-19 48 Modoc E of Happy Camp Guard Station. 1554 Comment
  CAS-BOT-BC214757  Drymocallis lactea var. austiniae Annie Montague Alexander; L. Kellogg 1946-6-30 4876 Modoc Highgrade, W side of ridge, N end of Warner Mts. 2377 Comment
  CHSC117262  Echinochloa crus-galli Lowell Ahart; John Dittes 2016-7-14 21209 Modoc South of Ash Creek Canal (now filled in), south of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley, 1273 Comment
  UC70670  Echinochloa crus-galli Mrs. M. H. Manning June 1903 403 Modoc north-eastern Modoc county Comment
  CDA179  Echinochloa oryzoides Goss 1932-9-22 Modoc 0 Comment
  CHSC116187  Elatine Lowell Ahart; John Dittes 2015-7-15 20350 Modoc On the east side of Elkins Lane, about 200 yards northeast of the Parking Area, northwest of the old barn, Ask Creek State Wildlife Area, about 3.9 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  CHSC116188  Elatine Lowell Ahart; John Dittes 2015-7-15 20352 Modoc On the east side of Elkins Lane, about 200 yards northeast of the Parking Area, northwest of the old barn, Ask Creek State Wildlife Area, about 3.9 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  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
  JEPS127160  Elatine rubella Lowell Ahart, John Dittes 2016-7-16 21246 Modoc South of 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
  UC1101548  Elatine triandra Verne Grant and Irving Schneider 1947-7-29 8180 Modoc s Alturas (near Payne Reservoir); Fitzugh Creek Comment
  UC1101534  Elatine triandra Herbert L. Mason 1947-8-8 13472 Modoc nw Alturas (sw margin of Big Sage Reservior) Comment
  UCD49715  Eleocharis acicularis Herbert L. Mason; Verne Grant 1947-7-12 13402 Modoc Irrigation ditch by Jones' Lane off Highway 395, south of Alturas. Comment
  CHSC99268  Eleocharis acicularis var. acicularis Lowell Ahart; John Dittes 2008-6-21 14992 Modoc In the drying pond north of the large culvert, east of the large levee, mountain meadow, in Big Valley about 2.8 miles (air) north of the Headquarters at Ash Creek State Wildlife Area, about 5.4 miles (air) northeast of Bieber. 1255 Comment
  RSA577562  Eleocharis bella L. C. Wheeler 1935-8-15 3861 Modoc Dismal Swamp, Twenty Mile Creek, Warner Mts. 2226 Comment
  CAS-BOT-BC242380  Eleocharis coloradoensis Verne Grant; I. Schneider 1947-7-19 8081 Modoc Williams Ranch, N of Likely. Comment
  JEPS120124  Eleocharis macrostachya Lowell Ahart, John Dittes 2012-7-11 18333 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
  SJSU9588  Eleocharis macrostachya W. Savage 1979-7-5 1352 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  RSA651586  Eleocharis palustris Marion P. Harthill 1971-6-23 368 Modoc Fort Bidwell. Comment
  JEPS123860  Elodea canadensis Lowell Ahart, John Dittes 2015-7-16 20381 Modoc Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. Comment
  JEPS68576  Elymus X macounii Leland S. Smith 1918-8-11 1021 a Modoc Camp One Lost Lake Trail (T38-16) 2438 Comment
  UC978995  Elymus X saundersii Leo Whitney 1935-7-19 3537 Modoc ca 15 mi nw Canby (dry bed of river); Modoc National Forest, Hackamore River 1463 Comment
  UCD62820  Elymus X saundersii L. Whitney 1935-7-19 3537 Modoc Hackamore River, Hackamore, ca. 15 miles northwest of Canby, Modoc National Forest. Comment
  HSC8729  Elymus X saxicola M. T. Milligan 1966-7-7 567 Modoc East of Jess Valley. 1677 Comment
  CHSC100009  Elymus cinereus Lowell Ahart; John Dittes 2008-8-25 15311 Modoc On the east bank (flood plain) of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout. 1273 Comment
  HSC38774  Elymus cinereus A. M. Montalvo, J. D. Ackerman 1974-7-4 364 Modoc Howard's Gulch, 6 mi. NW of Canby, off Hwy. 139. Comment
  UCD61554  Elymus elymoides L. D. Whitney 1935-7-5 Modoc Hackamore. Comment
  UCD61579  Elymus elymoides L. Whitney 1935-7-2 Modoc Badger Well. Comment
  CAS-BOT-BC247742  Elymus elymoides subsp. elymoides Bruce Bartholomew 1990-6-17 5318 Modoc E side of Surprise Valley, 9.6 km E of Eagleville at the Nevada border. 1580 Comment
  CAS-BOT-BC247757  Elymus elymoides subsp. elymoides Elmer Ivan Applegate 1932-8-1 8017 Modoc Summit of Warren Peak. Comment
  CAS-BOT-BC247761  Elymus elymoides subsp. elymoides Bruce Bartholomew 1990-8-5 5662 Modoc Summit Trail, ca. 2 km N of Patterson Ranger Station, W side of Warner Mts. 2300 Comment
  UC70662  Elymus glaucus Mrs. M. H. Manning 1903-6-1 4136 Modoc north-eastern Modoc Co. Comment
  UCD62360  Elymus glaucus subsp. glaucus L. S. Smith 1918-8-11 Modoc Lost Lake, Warner Mts. 2438 Comment
  SD64332  Elymus ponticus D. F. Howe 1966-8-25 4299 Modoc Fandango Pass, Warners Mountains 1858 Comment
  HSC65383  Elymus repens Thomas Wood 1979-8-8 215 Modoc 1 mi. S of Ft. Bidwell, along Hwy. 1, corner house where road turns W 1372 Comment
  UC711889  Elymus trachycaulus Roxana S. Ferris and Laura Lorraine 1941-8-14 10588 Modoc 3 mi from Patterson Ranger Station (on road to Eagleville); Modoc National Forest, Warner Mountains Comment
  UCD62658  Elymus trachycaulus L. Whitney 1935-6-28 Modoc Bieber. Comment
  UCD62717  Elymus trachycaulus Beecher Crampton; Carl Rimbey 1954-7-7 2129 Modoc West side of Cedar Pass, Warner Mountains. Comment
  UCD62689  Elymus trachycaulus subsp. trachycaulus Hursh 1919-10-30 X 3322 Modoc Alturas. Comment
  CDA2054  Elytrigia repens T. C. Fuller 1958-7-8 1940 Modoc Corporation Ranch, Likely. 0 Comment
  CAS-BOT-BC217290  Enemion stipitatum Bruce Bartholomew 1993-4-6 6417 Modoc Little Hot Spring Valley ca. 3 km NW of Day. 1060 Comment
  RSA600236  Epilobium anagallidifolium Louis C. Wheeler 1935-9-27 4009 Modoc Devil's Garden: Grizzly Spring. 1524 Comment
  CAS-BOT-BC191036  Epilobium angustifolium subsp. circumvagum Leland S. Smith 1922-7-20 1276 Modoc Rush Creek Ranger Station pasture. 1889 Comment
  CAS-BOT-BC191029  Epilobium brachycarpum Mrs. H. C. Cantelow 1940-6-2 Modoc 10 mi. NW of Canby. Comment
  HSC16226  Epilobium brachycarpum M. T. Milligan 1966-7-25 574 Modoc E of Jess Valley 1646 Comment
  JEPS121198  Epilobium brachycarpum Lowell Ahart, John Dittes 2013-7-25 18961 Modoc 30 yards N of the E-W fence, S edge of Ash Creek floodplain, NE of Patterson Homestead, E of Elkins Lane, 1.0 air mile S of County Road 87, 3.14 air miles W of Adin, Big Valley. Comment
  SJSU9547  Epilobium brachycarpum W. Savage 1979-7-3 1281 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  CAS-BOT-BC497314  Epilobium brachycarpum Belknap C. Goldsmith 1912-8-6 88 Modoc West side of Goose Lake: Devil's Garden 1463 Comment
  UC20098  Epilobium brachycarpum Milo S. Baker 1893-6-20 Modoc Comment
  UCD105945  Epilobium campestre Robert F. Thorne; J. Henrickson, C. W. Tilforth 1969-9-4 39122 Modoc N Fork of Pit River, 3.4 miles N of Alturas where crossed by Highway 395. 1341 Comment
  UC1191576  Epilobium campestre Herbert L. Mason 1947-8-15 13563 Modoc 11 mi from Davis Creek; Goose Lake, spring leading into w side Comment
  CAS-BOT-BC190992  Epilobium ciliatum subsp. ciliatum Alice Eastwood; John Thomas Howell 1940-6-12 8092 Modoc Jess Valley. Comment
  CAS-BOT-BC190980  Epilobium ciliatum subsp. glandulosum K. Paulson; Robert Paulson 1989-7-14 186 Modoc Vicinity of Cave Lake, N end of the Warner Mts. 1987 Comment
  RSA8243  Epilobium ciliatum subsp. glandulosum Elmer I. Applegate 1932-8-7 8243 Modoc Lily Lake, Bidwell Pass, Warner Mountains Comment
  RSA41239  Epilobium ciliatum subsp. glandulosum A. M. Alexander, Louise Kellogg 1946-7-17 5008 Modoc Benton Meadow, Warner Mountains 2073 Comment
  UCD106298  Epilobium densiflorum Herbert L. Mason 1947-8-11 13495 Modoc On Highway 81, west margin of Lower Lake, near boundary between Lassen and Modoc counties. Comment
  NY1000281  Epilobium glaberrimum B. M. Bartholomew 1992-8-9 6396 Modoc Upper region of Owl Creek drainage, on cliffs, east of Summit Trail, east side of Warner Mountains 2620 Comment
  CHSC96170  Epilobium glaberrimum subsp. fastigiatum R. Fischer 2006-9-9 881 Modoc Collection from the Warner Wilderness within the Warner Mountains, ca. 1 mile south of Patterson Lake along the Summit Trail, near the junction of Pine Creek Basin Trail. 2743 Comment
  CAS-BOT-BC190967  Epilobium hallianum Annie Montague Alexander; L. Kellogg 1946-6-30 4873 Modoc Highgrade, W side of ridge. 2377 Comment
  CAS-BOT-BC190951  Epilobium obcordatum Francis Marion Ownbey; Frederick Gustav Meyer 1940-7-1 2157 Modoc Near cummit of Cedar Peak, Warner Mts. Comment
  HSC49635  Epilobium obcordatum J. P. Smith, J. O. Sawyer 1973-8-8 7220 Modoc Near summit of Eagle Peak 2988 Comment
  CAS-BOT-BC190939  Epilobium pallidum Herbert Louis Mason; Verne Grant 1947-7-13 13441 Modoc Joseph Creek on Hwy 395. Comment
  UC19942  Epilobium pallidum Milo S. Baker 1893-6 Modoc adobe flats Egg Lake Comment
  CAS-BOT-BC190926  Epilobium pygmaeum D. M. Moore 1960-6-4 119 Modoc Along Hwy 299 2.5 mi. N of Canby. Comment
  CAS-BOT-BC190927  Epilobium pygmaeum Peter Hamilton Raven; Otto Thomas Solbrig 1958-6-18 13332 Modoc Eastern outskirts of Lookout. Comment
  CAS-BOT-BC190864  Epilobium torreyi Clare Butterworth Hardham 1974-8-4 20183 Modoc Headwaters of Dismal and 12 Mile creeks. 2133 Comment
  JEPS119671  Epilobium torreyi Lowell Ahart, John Dittes 2012-7-11 18350 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
  UC62577  Equisetum arvense Baker and Nutting 1894-8-20 Modoc Forestdale 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-BC95471  Eremogone aculeata Roxana Stinchfield Ferris; R. Duthie 1919-6-16 135 Modoc Above Parker Creek, Warner Mts. Comment
  CAS-BOT-BC95495  Eremogone aculeata Bruce Bartholomew; Barrett Anderson 1989-6-3 4892 Modoc ca. 5 km E of the SE corner of Clear Lake Reservoir. 1450 Comment
  CHSC100861  Eremogone aculeata L. P. Janeway; B. Castro 2008-8-17 9572 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. Dry edge of the drainage. 2372 Comment
  CAS-BOT-BC95455  Eremogone congesta C. L. Hitchcock 1940-5-28 6728 Modoc 15 mi. N of Alturas. 1402 Comment
  UCD98091  Eremogone congesta Beecher Crampton 1960-6-17 5698 Modoc McKay Flat, 13 miles west of Canby, 2.5 miles northeast of Happy Camp Station. 1280 Comment
  NY53860  Eremogone congesta var. congesta B. Anderson 1986-7-10 3206 Modoc Warner Mountains, West Warner Rd along Bear Flat. 1845 Comment
  CHSC112140  Eremogone congesta var. crassula Dean Wm. Taylor 2012-6-5 21222 Modoc Vicinity Crank Spring (11 air miles North of Lookout). 1365 Comment
  RSA0057701  Eremogone congesta var. subcongesta Mrs. R. M. Austin 1895-06 466 Modoc Davis Creek. Comment
  CAS-BOT-BC14809  Ericameria bloomeri Mrs. M. H. Manning 1905-9-15 s.n. Modoc Near Hall's Meadows. Comment
  CAS-BOT-BC14816  Ericameria bloomeri Louis Cutter Wheeler 1935-9-9 3960 Modoc South Mt., Devil's Garden. 1524 Comment
  RSA608600  Ericameria bloomeri L. C. Wheeler 1935-9-9 3960 Modoc Devils Garden: 1 mile NE of South Mountain 1524 Comment
  SEINET195661  Ericameria bloomeri Annie M. Alexander, Louise Kellogg 1946-8-9 5132 Modoc Patterson Lake Trail Warner Mountains 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
  RSA606145  Ericameria greenei L. C. Wheeler 1935-8-14 3854 Modoc Lily Lake, Pine Creek, Warner Mts. 2134 Comment
  CAS-BOT-BC287483  Ericameria greenei Annie M. Alexander; Louise Kellogg 1946-8-9 5132 Modoc Slope above Patterson Lake Trail, Warner Mts Comment
  CHSC106341  Ericameria nauseosa var. oreophila Lowell Ahart; John Dittes 2010-8-30 17052 Modoc About 3 yards east of the fence, south edge of the meadow, Ash Creek State Wildlife Area, 2,300 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  CAS-BOT-BC298194  Ericameria nauseosa var. oreophila Elmer I. Applegate 1932-8-6 8199 Modoc E side of Middle Lake, Surprise Valley Comment
  HSC5328  Ericameria nauseosa var. speciosa M. T. Milligan 1966-7-28 598 Modoc E slope eroded volcanic plateau 1677 Comment
  UC217111  Ericameria nauseosa var. speciosa H. M. Hall 1921-9-10 11671 Modoc s of Alturas Comment
  JEPS114492  Ericameria parryi var. latior Lowell Ahart, John Dittes 2008-8-25 15298 Modoc On the west side of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout 1273 Comment
  CAS-BOT-BC42830  Erigeron austiniae B. J. Cox; P. Gillian 1971-6-3 2612 Modoc 6 mi. N of Alturas on Hwy 395. 1341 Comment
  CAS-BOT-BC42837  Erigeron austiniae John Thomas Howell 1934-6-11 11936 Modoc Parker Creek, Warner Mountains 1584 Comment
  CAS-BOT-BC42814  Erigeron bloomeri var. bloomeri Milo Samuel Baker; Franklin P. Nutting 1894-6-1 s.n. Modoc Near Egg Lake. Comment
  JEPS126547  Erigeron bloomeri var. bloomeri Lowell Ahart, John Dittes 2016-6-6 20952 Modoc About 50 yards southwest of the intersection of County Road 87 and Access Road to Pilot Butte Parking Area, northeast base of Pilot Butte, 3.8 miles (air) east of Lookout, 7.5 miles (air) west of Adin, Ash Creek State Wildlife Area. Comment
  UC1036001  Erigeron bloomeri var. bloomeri Helen K. Sharsmith 1955-6-22 4482 Modoc just n Cedar Pass (on exposed, steep slope); Modoc National Forest, Warner Mountains 1889 Comment
  HSC27247  Erigeron chrysopsidis var. austinae J. P. Smith, J. O. Sawyer 1972-5-6 5270 Modoc Along Hwy. 299, 4 mi. W of Modoc County Rd. 58, E of Alturas 1494 Comment
  UCD131287  Erigeron chrysopsidis var. austiniae Beecher Crampton 1960-6-17 5686 A Modoc 5 miles south of Perez, Plant Quarantine Station area. Comment
  CAS-BOT-BC294960  Erigeron compositus Mrs. C. C. Bruce 1898-6-1 2180 Modoc Lake City Mt. Comment
  CAS-BOT-BC42817  Erigeron coulteri Barrett Anderson 1986-7-10 3201 Modoc West Warner Rd at the North Fork of Pine Creek, Warner Mountains 1935 Comment
  CAS-BOT-BC42777  Erigeron divergens Annie M. Alexander; Louise Kellogg 1946-6-4 4658 Modoc Eagleville. Comment
  CDA4930  Erigeron divergens T. C. Fuller 1965-6-2 13599 Modoc West side of Dorris Reservoir, 2 miles east of Alturas. 0 Comment
  CAS-BOT-BC42756  Erigeron eatonii var. plantagineus Margaret J. Williams 1984-6-28 84- 67 -2 Modoc 2 mi. N of intersection between Soldier Creek and Old Cannon Mill road, Warner Mtns., N of Cedar Pass 2057 Comment
  CAS-BOT-BC42763  Erigeron eatonii var. plantagineus Francis Marion Ownbey; Frederick Gustav Meyer 1940-7-1 2144 Modoc N slope Cedar Peak, Warner Mountains Comment
  CAS-BOT-BC42792  Erigeron eatonii var. plantagineus M. M. Hanna 1956-6-7 1013 Modoc Hwy 139 between Canby and Tienesta. Comment
  CAS-BOT-BC42796  Erigeron eatonii var. plantagineus Bruce Bartholomew; Barrett Anderson 1989-6-3 4904 Modoc ca. 5 km NW of Egg Lake and ca. 0.8 km W of Service Flat Gulch. 1370 Comment
  POM301767  Erigeron eatonii var. plantagineus Marion Ownbey, Fred G. Meyer 1940-7-1 2144 Modoc Cedar Peak, Warner Mountains. Comment
  UC711883  Erigeron eatonii var. plantagineus Roxana S. Ferris and Laura Lorraine 1941-8-14 10585 Modoc 3 mi from Patterson Ranger Station (on road to Eagleville); Warner Mountains, Modoc National Forest Comment
  POM229172  Erigeron eatonii var. plantagineus L. C. Wheeler 1935-8-4 3783 Modoc Dry Lake, Pine Creek. Warner Mts. 2104 Comment
  HSC28859  Erigeron eatonii var. sonnei D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19490 Modoc At Big Valley summit about 6 mi. W of Adin on Hwy. 299 Comment
  CAS-BOT-BC42770  Erigeron elegantulus Bruce Bartholomew 1991-6-20 5778 Modoc 9.8 km E of junction of county roads 87 and 90. 1250 Comment
  CAS-BOT-BC42774  Erigeron filifolius John Thomas Howell 1934-6-13 12099 Modoc Patterson Mill Road, Warner Mountains 1676 Comment
  HSC5517  Erigeron filifolius M. S. Baker 1893-1 Modoc Lava Bed, Egg Lake Comment
  POM203066  Erigeron filifolius J. T. Howell 1934-6-30 12283 Modoc Duncan Horse Camp. Comment
  CAS-BOT-BC49613  Erigeron glacialis var. glacialis Elmer Ivan Applegate 1932-8-1 8021 Modoc Just N of Warren Peak. Comment
  CAS-BOT-BC49633  Erigeron inornatus var. inornatus Bruce Bartholomew; Barrett Anderson 1988-7-21 4405 Modoc 2.1 km SSE of Day on the road to state Highway 299. 1020 Comment
  HSC81107  Erigeron inornatus var. inornatus G. M. Riegel 1979-8-24 708 Modoc S Warner Mtns. 1670 Comment
  CAS-BOT-BC49650  Erigeron linearis Annie Montague Alexander; L. Kellogg 1946-6-27 4851 Modoc Highgrade, top of ridge, two miles by road from Dismal Swamp, N end of Warner Mtns. 2377 Comment
  OBI49208  Erigeron linearis Lewis S. Rose 1940-6-12 40538 Modoc 6 mi NE of Alturas 1341 Comment
  RSA554794  Erigeron linearis Margaret J. Williams 1988-5-30 88- 26 -3 Modoc Jess Valley, S of roadside rest. 1524 Comment
  RSA503041  Erigeron philadelphicus Bruce Bartholomew, B. Anderson 1988-6-24 4355 Modoc 9.8 km SW of County Road 1 on County Road 42, E side of the Warner Mountains 1960 Comment
  CAS-BOT-BC497208  Eriogonum Gladys L. Smith; Margaret Williams; Loring Williams; Charles Smith 1983-9-14 8385 Modoc Warner Mts., Rte. 299, 2 mi N of Stowe Reservoir along USFS dirt road 2011 Comment
  CAS-BOT-BC197832  Eriogonum caespitosum M. Vasey 1990-6-28 9006 Modoc In vicinity of pass at junction of North Emerson Lake Trail and Owl Creek Trail, Wouth Warner Wilderness. 2590 Comment
  NY242778  Eriogonum caespitosum B. M. Bartholomew 1991-8-5 6029 Modoc Summit Trail between Pepperdine and Squaw Peak, W side of Warner Mts. 2190 Comment
  UC6272  Eriogonum douglasii var. meridionale Mrs. C. C. Bruce June 1898 2315 Modoc Lake City Mt. Comment
  CAS-BOT-BC197819  Eriogonum elatum Bruce Bartholomew; Barrett Anderson 1988-7-23 4557 Modoc Road beyond Poison Lake ca. 8 km S of the road from U.S. Highway 395 to Lily Lake, Warner Mts.. 2140 Comment
  JEPS57006  Eriogonum elatum var. elatum W. L. Jepson 1918-8-7 7895 Modoc Mt. Bidwell 2286 Comment
  UCR35563  Eriogonum heracleoides var. angustifolium J. A. Harpel 1981-8-7 V 55 Modoc Warner Mountains, South Warner Wilderness Area, junction of Pine Creek Basin trail and Summit Trail, 7 mi NW of Eagleville 2683 Comment
  CHSC109509  Eriogonum heracleoides var. heracleoides L. P. Janeway; B. Castro 2012-7-25 10989 Modoc Warner Mountains. Slope along north side of Dismal Swamp. 2216 Comment
  HSC43010  Eriogonum heracleoides var. heracleoides J. P. Smith, J. O. Sawyer 1973-8-8 7243 Modoc S slopes of Eagle Peak 2561 Comment
  JEPS56885  Eriogonum heracleoides var. heracleoides W. L. Jepson 1918-8-7 7890 Modoc Plateau summit Mt. Bidwell 2468 Comment
  RSA509466  Eriogonum heracleoides var. heracleoides G. R. Ballmer 1988-7-21 s.n. Modoc Warner Mountains, Bidwell Mounatain, approx. 3 miles S of Oregon border in extreme NE corner of state Comment
  CAS-BOT-BC197797  Eriogonum microthecum var. ambiguum Bruce Bartholomew 1991-8-5 6054 Modoc Summit Trail between Squaw Peak and Cottenwood Lake, crest of the Warner Mts. 2530 Comment
  HSC75597  Eriogonum microthecum var. ambiguum G. M. Riegel 1980-7-14 868 Modoc S Warner Mtns. 1829 Comment
  CAS-BOT-BC197796  Eriogonum microthecum var. laxiflorum Bruce Bartholomew 1990-6-17 5323 Modoc E side of Surprise Valley, 9.6 km E of Eagleville at the Nevada border. 1580 Comment
  CAS-BOT-BC197800  Eriogonum microthecum var. laxiflorum G. Schoolcraft 1985-8-6 1503 Modoc SW of Alturas. 1493 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-BC211436  Eriogonum nudum var. pubiflorum G. D. Hanna 1958-9-23 Modoc Cedar Pass Comment
  CAS-BOT-BC211445  Eriogonum nudum var. pubiflorum Louis Cutter Wheeler 1935-8-14 3840 Modoc Pine Creek, Warner Mts. 2011 Comment
  CAS-BOT-BC211448  Eriogonum nudum var. pubiflorum Bruce Bartholomew 1991-8-5 6076 Modoc Summit Trail, between Squaw Peak and Pepperdine, W side of Warner Mts. 2240 Comment
  CAS-BOT-BC211450  Eriogonum nudum var. pubiflorum John Thomas Howell 1934-7-1 12314 Modoc Duncan Horse Camp. 1355 Comment
  CAS-BOT-BC269829  Eriogonum nudum var. pubiflorum Richard R. Halse 1991-7-28 4244 Modoc Along State Hwy. 139, 13 miles northwest of its junction with State Hwy. 299 1469 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
  RSA165444  Eriogonum nudum var. pubiflorum Clare B. Hardham 1961-6-19 7842 Modoc Willow Creek. Comment
  SBBG1565  Eriogonum nudum var. pubiflorum H. and M. Dearing 1939-6-9 3612 Modoc near Cedarville Comment
  SD46518  Eriogonum nudum var. pubiflorum Robert J. Weatherly 1955-7-8 1637 Modoc 3 miles north of Ft. Bidwell, northern Warner Mts. 1554 Comment
  SEINET5333097  Eriogonum nudum var. pubiflorum R. R. Halse 2004-7-22 6671 Modoc Along U.S. Hwy 395, ca. 6 miles north of Alturus 1341 Comment
  UC1075727  Eriogonum nudum var. pubiflorum Robert J. Weatherby 1955-7-8 1637 Modoc 3 mi n Ft. Bidwell; northern Warner Mts. 1554 Comment
  UCR67445  Eriogonum nudum var. pubiflorum George K. Helmkamp 1990-9-23 I- 21 Modoc Warner Mtns, Goose Lake, within 0.1 mi of the Oregon border 1476 Comment
  RSA601674  Eriogonum nudum var. pubiflorum Louis C. Wheeler 1935-8-14 3840 Modoc Pine Creek. Warner Mtns. 2012 Comment
  SEINET11261588  Eriogonum nudum var. pubiflorum Margaret J. Williams 1983-7-29 83- 115 -1 Modoc Stowe Reservoir Rd N of Cedar Pass, Warner Mtns.; 0 2073 Comment
  SEINET5330949  Eriogonum nudum var. pubiflorum M. S. Baker Unknown s.n. Modoc No data. Comment
  UC412793  Eriogonum nudum var. pubiflorum M. F. Gilman 574 Modoc 1676 Comment
  UC634523  Eriogonum nudum var. pubiflorum F. H. Frost 1925-7-13 71 Modoc roadside s Cedarville; Warner Mts. Comment
  UCR40347  Eriogonum ovalifolium G. R. Ballmer, G. F. Pratt 1985-7-15 s.n. Modoc Warner Mtns., near the summit of Mount Bidwell 2500 Comment
  CAS-BOT-BC211399  Eriogonum ovalifolium var. ovalifolium Bruce Bartholomew 1991-5-24 5711 Modoc Surprise Valley, E of Eagleville at the Nevada State boundary. 1520 Comment
  CAS-BOT-BC218197  Eriogonum prociduum J. L. Reveal 1971-6-22 2462 Modoc Along U.S. Hwy 395, 3.5 mi. N of the junction with California Hwy 299, and 1.2 mi. N of Chimmny Rock Turnoff. 1402 Comment
  RSA239159  Eriogonum prociduum James L. Reveal 1971-6-22 2462 Modoc Along Hwy 395, 3.5 miles north of the jct. of Hwy 395 with Hwy 299, and 1.2 miles north of the Chimney Rock Turnoff. 1402 Comment
  HSC75590  Eriogonum spergulinum var. reddingianum G. M. Riegel 1980-8-6 1000 Modoc South Warner Mtns. 1670 Comment
  CAS-BOT-BC262721  Eriogonum sphaerocephalum var. halimioides A. A. Heller 1938-6-24 15224 Modoc On slopes between Alturas and Canby 1341 Comment
  CHSC112053  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. 1260 Comment
  RSA165619  Eriogonum sphaerocephalum var. halimioides Clare B. Hardham 1961-6-18 7550 Modoc 3 miles east of Cedar Pass. 1829 Comment
  RSA739633  Eriogonum sphaerocephalum var. halimioides L. P. Janeway, B. Castro 2008-8-17 9575 Modoc Warner Mtns, 2.4km E of Bald Mtn, broad Saddle betw Daniels Creek and an unnamed northern branch of Soldier Creek. 2209 Comment
  SEINET11261408  Eriogonum sphaerocephalum var. halimioides D. H. Norris, T. Nelson; Steve Dowty 1971-6-23 19385 Modoc Along Hager Basin Road near Big Sage Reservoir.; 0 Comment
  CAS-BOT-BC211355  Eriogonum strictum subsp. anserinum G. D. Hanna; M. M. Hanna 1956-6-5 Modoc Cedar Pass. Comment
  CAS-BOT-BC211358  Eriogonum strictum subsp. anserinum Margaret J. Williams 1984-7-1 84- 87 -5 Modoc NW of Alturas, Crowder Flat Road, Big Sage Reservoir. 1371 Comment
  HSC17268  Eriogonum strictum var. anserinum Thomas W. Stark 1967-7-16 86 Modoc 2 mi. S of Lava Beds Natl. Monument, 10 mi. W of the town of Perez 915 Comment
  NY283218  Eriogonum strictum var. anserinum M. J. Williams 1988-5-30 8826- 2 Modoc Jess Valley, south of roadside rest 1524.0 Comment
  UC849658  Eriogonum strictum var. anserinum C. L. Hitchcock 1940-5-27 6656 Modoc 9 mi ne Alturas 1402 Comment
  RSA601668  Eriogonum strictum var. anserinum Louis C. Wheeler 1935-8-5 3790 Modoc Pine Creek, Warner Mts. 2378 Comment
  UC849663  Eriogonum strictum var. anserinum Lewis S. Rose 1940-6-12 40541 Modoc 6 mi ne Alturas 1341 Comment
  CAS-BOT-BC211370  Eriogonum umbellatum Robert Patterson; Mona Bourell 1993-8-15 5252 Modoc Warner Mountains. Along trail from Patterson Lake to ca. 2 mi north towards Pepperdine Trailhead. 2743 Comment
  CHSC109467  Eriogonum umbellatum var. dumosum L. P. Janeway; B. Castro 2012-7-28 11036 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
  UC412866  Eriogonum umbellatum var. glaberrimum M. F. Gilman 601 Modoc 1676 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
  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-BC197784  Eriogonum umbellatum var. nevadense Elmer Ivan Applegate 1932-7-9 7599 Modoc Bidwell Mountain, Warner Mts. Comment
  CHSC109518  Eriogonum umbellatum var. nevadense L. P. Janeway; B. Castro 2012-7-25 10988 Modoc Warner Mountains. Slope along north side of Dismal Swamp. 2216 Comment
  RSA339147  Eriogonum umbellatum var. nevadense Margaret J. Williams 1984-7-1 s.n. Modoc NW of Alturas, Crowder Flat Rd., near Big Sage Rservoir. 1372 Comment
  CAS-BOT-BC197615  Eriogonum umbellatum var. polyanthum Alice Eastwood; John Thomas Howell 1940-6-14 8213 Modoc 8 mi. NW of Canby. Comment
  CAS-BOT-BC197618  Eriogonum umbellatum var. polyanthum E. S. Willits 1940-6-5 327 Modoc Canby. Comment
  HSC81007  Eriogonum umbellatum var. polyanthum G. M. Riegel 1979-7-1 451 Modoc S Warner Mtns. 1739 Comment
  RSA78910  Eriogonum umbellatum var. polyanthum E. K. Balls, Percy C. Everett 1952-10-10 18151 Modoc Above S. Fk. Public Camp, 8 mi. E. of Likely on road to Jess Valley. 1555 Comment
  CAS-BOT-BC197589  Eriogonum vimineum John Thomas Howell 1934-7-1 12301 Modoc Duncan Horse Camp. 1355 Comment
  CAS-BOT-BC197593  Eriogonum vimineum Annie Montague Alexander; L. Kellogg 1946-7-17 4996 Modoc Cedar Pass, Warner Mts. Comment
  NY399608  Eriogonum vimineum B. Anderson 1986-7-9 3162 Modoc Warner Mountains. County road 195 just east of Cedar Pass 1785 Comment
  SBBG18303  Eriogonum vimineum C. B. Hardham 1961-6-19 7836 Modoc Davis Crk 1676 Comment
  SEINET10299471  Eriogonum vimineum F. H. Frost 1925-7-11 17 Modoc Cedar Canyon campsite, 2 miles above Cedarville Comment
  UC71868  Eriogonum vimineum Mrs. M. H. Manning 1904-7 234 Modoc near Fort Bidwell Comment
  HSC17397  Eriogonum vimineum M. T. Milligan 1964-8-8 222 Modoc 2 mi. W on Jones Lane at Westside Canal, from Hwy. 395 1372 Comment
  SEINET10299473  Eriogonum vimineum J. M. Tucker 1951-7-25 1971 Modoc Beside highway 139, 26.4 miles southeast of Tule Lake Comment
  CAS-BOT-BC49552  Eriophyllum lanatum Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16372 Modoc Junction of Cedar Pass road and Hwy 299, 5.5 mi. N of Alturas Comment
  CAS-BOT-BC49592  Eriophyllum lanatum Elmer Ivan Applegate 1932-8-1 8020 Modoc High summit of Warner Mts. S of Warren Peak. Comment
  CAS-BOT-BC49596  Eriophyllum lanatum Alice Eastwood; John Thomas Howell 1940-6-13 8112 Modoc Surprise Valley. Comment
  CHSC109889  Eriophyllum lanatum var. achilleoides B. Castro; L. P. Janeway 2012-7-25 1962 Modoc Warner Mountains. Along Twelve Mile Creek ca 3.6 air mi ESE of Dismal Swamp and 1.9 air mi NE of Mount Bidwell. 2164 Comment
  CHSC115488  Eriophyllum lanatum var. achilleoides L. P. Janeway 2014-7-8 11471 Modoc Modoc Plateau. East corner of Dry Creek Rim; along Road 47N08 (Corral Creek Road) 5.1 road-km north-northwest of Road 48 (along the west edge of Goose Lake). 1759 Comment
  POM358024  Eriophyllum lanatum var. achilleoides Christopher Davidson 1975-6-4 2611 Modoc 1/4 mi. W of Cedarville on Hwy 299. 1463 Comment
  SEINET3141733  Eriophyllum lanatum var. achilleoides L. S. Rose 1940-6-13 40544 Modoc Surprise, NE of Alturas 1372 Comment
  UC201710  Eriophyllum lanatum var. achilleoides W. P. Taylor and H. C. Bryant 1910-7-13 Modoc Head N. Fork Parker Cr. Warner Mountains, Head N. Fork Parker Cr. 2286 Comment
  JEPS15487  Eriophyllum lanatum var. achilleoides Joseph and Hilda Grinnell 1938-7-16 1112 a Modoc Cedar Pass summit Warner Mountains, Cedar Pass summit 1935 Comment
  RSA289483  Eriophyllum lanatum var. achilleoides Dale E. Johnson, J. E. Eckenwalder 1974-6-15 130 Modoc SW of Canby; 2.6 km (1.6 miles) west of crossing of Pit River on Hwy. 299 (Adin-Canby Road). Comment
  UC31680  Eriophyllum lanatum var. integrifolium Milo S. Baker 1893-7-1 Modoc Lava Beds Comment
  POM174191  Eriophyllum lanatum var. integrifolium Milo S. Baker 1893-7-25 s.n. Modoc Lava beds. Comment
  RSA174191  Eriophyllum lanatum var. integrifolium Milo S. Baker 1893-7-27 s.n. Modoc Pine woods Comment
  CAS-BOT-BC301766  Eriophyllum multicaule Lemmon 1878-5-1 s.n. Modoc Surprise Val. Comment
  CHSC107349  Erodium cicutarium Lowell Ahart; John Dittes 2011-6-22 17538 Modoc At 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. 1262 Comment
  POM88757  Erodium cicutarium Mrs. R. M. Austin 1895-06 s.n. Modoc Goose Lake Valley. Comment
  SD230150  Eryngium alismifolium Louis C. Wheeler 1935-8-21 3900 Modoc Devil's Garden: Pine Spring. 1524 Comment
  CAS-BOT-BC497205  Eryngium alismifolium Louis C. Wheeler 1935-8-21 3900 Modoc Davil's Garden: Pine Spring 1524 Comment
  JEPS114397  Eryngium articulatum Lowell Ahart, John Dittes 2008-8-25 15285 Modoc On the west bank (flood plain) of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-notheast of Lookout 1273 Comment
  POM133078  Eryngium articulatum M. S. Baker 1899-8-12 s.n. Modoc Egg Lake Comment
  UC635845  Eryngium articulatum Louis C. Wheeler 1935-9-13 3985 Modoc Fletcher Creek at Pease Place (Devil's Garden); , Fletcher Creek, Pease Place 1524 Comment
  UCD77694  Eryngium articulatum Robert E. Preston 2000-7-18 1410 Modoc Ca. 14 mi nw of Canby, on n side of Hwy 139, 0.4 mi w of Forest Service Rd 44N11, T43N R8E ne 1/4 of se 1/4 Section 31 1467 Comment
  CHSC100462  Eryngium mathiasiae Lowell Ahart; John Dittes 2008-8-25 15306 Modoc On the west bank (flood plain) of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout. 1273 Comment
  UC1510465  Eryngium mathiasiae Phil Leitner and Barbara Malloch 1983-7-17 Modoc w. of midsection line rd. Modoc Nat'l Forest Comment
  CAS-BOT-BC184097  Eryngium mathiasiae B. Bartholomew 1989-8-10 5041 Modoc Little Hot Spring Valley, 3.9 km NW of Day 1070 Comment
  UC1487346  Eryngium mathiasiae Y. Sheikh and L. Constance 1973-6-27 551 Modoc 9.8 mi WNW of Canby; State Hwy 139; WWN of Canby, Modoc Co. Comment
  UC748067  Erysimum capitatum Annie M. Alexander and Louise Kellogg 1946-6-27 4843 Modoc top of ridge two mi by road from Dismal Swamp (n end of mts); Warner Mountains, Highgrade 2377 Comment
  UC10548  Erysimum capitatum Milo S. Baker 1893-6 Modoc Comment
  CAS-BOT-BC58333  Erysimum capitatum var. capitatum Elmer Ivan Applegate 1932-8-1 8045 Modoc W slope of Warner Mts. S of Warren Peak. Comment
  HSC81066  Erysimum perenne G. M. Riegel 1980-8-21 1095 Modoc S Warner Mtns. 1829 Comment
  CDA3711  Erysimum repandum T. C. Fuller 1965-6-2 13600 Modoc West side of Dorris Reservoir, 2 miles east of Alturas. 0 Comment
  CHSC117229  Erythranthe breviflora Lowell Ahart; John Dittes 2016-7-16 21239 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
  CHSC79576  Erythranthe inflatula S. E. Schoenig 1998-7-5 98 -70 Modoc SW shore of Moll Reservoir, 2 meters from waters edge. 1499 Comment
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May 29 2009
  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-BC234501  Erythranthe microphylla K. Paulson; Robert Paulson 1988-6-19 44 Modoc Near Cottonwood Flat. 1539 Comment
  CAS-BOT-BC234517  Erythranthe microphylla Bruce Bartholomew 1990-6-15 5240 Modoc SE corner of Sweagert Flat. 1860 Comment
  CAS-BOT-BC234482  Erythranthe moniliformis Bruce Bartholomew; Barrett Anderson 1988-7-22 4536 Modoc Mill Creek, Lake City Canyon, 5.5 km W of Lake City, E side of the Warner Mts.. 1860 Comment
  CAS-BOT-BC234465  Erythranthe pulsiferae Alice Eastwood; John Thomas Howell 1940-6-14 8237 Modoc Near Hackamore. Comment
  CAS-BOT-BC234468  Erythranthe pulsiferae Bruce Bartholomew 1995-6-22 6974 Modoc Between Day and Lookout, 4.3 km W of Day on County Road 94. 1350 Comment
  CAS-BOT-BC234433  Erythranthe suksdorfii Alice Eastwood; John Thomas Howell 1940-6-15 8276 Modoc Near Perez. Comment
  CAS-BOT-BC402921  Eschscholzia californica Elmer I. Applegate 1935-6-12 9523 Modoc Lava Beds National Monument. Caldwell Butte, south slope Comment
  CAS-BOT-BC95718  Euphorbia serpillifolia M. Vasey 1990-6-30 9027 Modoc Around NW margin of Egg Lake. 1300 Comment
  CAS-BOT-BC218206  Euphorbia spathulata Bruce Bartholomew; Barrett Anderson 1988-7-21 4418 Modoc S end of Whitehorse Flat Reservoir. 1340 Comment
  CAS-BOT-BC218207  Euphorbia spathulata Alice Eastwood; John Thomas Howell 1940-6-14 8196 Modoc 6 mi. W of Alturas. Comment
  CAS-BOT-BC15161  Eurybia integrifolia Bruce Bartholomew; Barrett Anderson 1990-7-20 5508 Modoc Tamarack Flat, E side of Warner Mts. 2150 Comment
  CHSC100429  Euthamia occidentalis Lowell Ahart; John Dittes 2008-8-25 15283 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
  CDA28212  Festuca idahoensis A. A. Beetle 1941-6-29 2833 Modoc Near summit of Mt. Adin. Comment
  SEINET10559248  Festuca idahoensis Leila M. Shultz, John S. Shultz 1985-6-23 Shultz 8593 Modoc Modoc Plateau at the western extension of the Great Basin between Beeler & Duncan reservoirs north of Canby near Highway 139. Pinus ponderosa-Juniperus occidentalis-Artemisia-Purshia tridentata association; pines laden with lichens. Open areas of gravel soils. 1311 Comment
  UCD32731  Festuca rubra Beecher Crampton 1954-7-8 2172 Modoc Warner Mountains, 15 miles east of Likely, along road to Jess Valley. 1676 Comment
  UC1060654  Floerkea proserpinacoides Herbert L. Mason 1957-7-6 14717 Modoc Warner Mountains, Mill Creek Mill Creek; Warner Mountains, Mill Creek Comment
  CAS-BOT-BC217078  Frangula rubra Alice Eastwood; John Thomas Howell 1940-6-13 8155 Modoc E side of Fandango Pass. Comment
  CHSC118329  Frasera albicaulis var. modocensis L. P. Janeway 2016-5-18 12053 Modoc Modoc Plateau. Between Goose Lake and the Devils Garden area; uplands along southwest side of Goose Lake about 2.1 air-km southwest of north end of Road 48 causeway across the lake. 1434 Comment
  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
  SD133989  Fraxinus latifolia B. Bartholomew 1991-7-6 5982 Modoc West side of Egg Lake. 1299 Comment
  UCR71889  Fraxinus latifolia B. Bartholomew 1991-7-6 5982 Modoc W side of Egg Lake. 1300 Comment
  UC3638  Fritillaria atropurpurea Milo S. Baker 1893-6-10 Modoc Comment
  CAS-BOT-BC242096  Fritillaria pudica Bruce Bartholomew 1993-4-3 6407 Modoc Adjacent to Turner Creek at County Rd 90, N end of Big Valley, 6.4 km N of Lassen County border. 1300 Comment
  HSC29996  Fritillaria pudica D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19394 Modoc Along Hager Basin Rd. near Big Sage Reservoir. Comment
  UC65052  Fritillaria pudica Milo S. Baker 1893-1 Modoc Forestdale Comment
  RSA367761  Fritillaria pudica Christopher Davidson 1973-5-26 2149 Modoc 1 mile N of Adin Summit on St. Hwy 299; Modoc Natl Forest 1524 Comment
  CAS-BOT-BC242088  Fritillaria recurva Bruce Bartholomew 1994-5-27 6705 Modoc Bowman Spring W side of the Whitehorse Mountains near the Siskyou County line. 1400 Comment
  CAS-BOT-BC225046  Galium aparine Bruce Bartholomew; Barrett Anderson 1989-6-1 4742 Modoc ca. 0.5 km S of State Hwy 299 on road to Shaker Spring. 1420 Comment
  CAS-BOT-BC225052  Galium aparine Bruce Bartholomew 1991-6-22 5835 Modoc E slope of S end of Warner Mountains, 3.4 km SW of County Road 1 on road to Patterson. 1620 Comment
  HSC19783  Galium aparine M. T. Milligan 1965-6-23 304 Modoc N end Jess Valley 1616 Comment
  CAS-BOT-BC225063  Galium bolanderi Bruce Bartholomew; Barrett Anderson 1988-6-23 4231 Modoc 2.1 km SSE of Day on the road to State Highway 299. 1020 Comment
  CAS-BOT-BC225076  Galium mexicanum subsp. asperulum Bruce Bartholomew 1994-7-1 6766 Modoc Turner Creek adjacent to Forest Service road 42N21. 1470 Comment
  UC416653  Galium triflorum Milo S. Baker 1893-1 Modoc Forestdale Comment
  RSA67245  Gayophytum decipiens P. A. Munz 1951-9-14 16982 Modoc Cedar Pass, Warner Mountains 1921 Comment
  CAS-BOT-BC190849  Gayophytum diffusum subsp. parviflorum Bruce Bartholomew 1989-8-13 5139 Modoc ca. 3.2 km N of Manzanita Mountain. 1580 Comment
  JEPS27527  Gayophytum diffusum subsp. parviflorum W. L. Jepson 1918-8-7 7863 Modoc Mt. Bidwell 2133 Comment
  RSA563215  Gayophytum diffusum subsp. parviflorum Bruce Bartholomew 1991-7-6 5966 Modoc 2.4 km W of County Road 91 Forest Service road 42N03. 1340 Comment
  CAS-BOT-BC190825  Gayophytum racemosum Leland S. Smith 1922-7-20 1294 Modoc Rush Creek Ranger Station pasture. 1905 Comment
  RSA101494  Gayophytum racemosum R. Weatherby 1955-7-8 1609 -A Modoc 7 miles north of Ft. Bidwell, northern Warner Mts. 1875 Comment
  RSA31283B  Gayophytum racemosum Frances D. Payne 1934-8-29 s.n. Modoc Parker Creek 1585 Comment
  CAS-BOT-BC190828  Gayophytum racemosum Mrs. H. C. Cantelow 1935-6-8 919 pp Modoc S of Marlin. Comment
  CAS-BOT-BC180116  Gentiana calycosa R. M. Austin 1894-9-1 1894 Modoc Lassen Creek. Comment
  SEINET8569986  Geranium richardsonii A. Sanger 1996-5-26 3590 Modoc Granger Canyon 1768 Comment
  CAS-BOT-BC180066  Geranium viscosissimum Alice Eastwood; John Thomas Howell 1940-6-13 8121 Modoc Near Davis Creek. Comment
  CAS-BOT-BC180067  Geranium viscosissimum Robert J. Weatherby 1955-7-8 1620 Modoc 6 mi. N of Ft. Bidwell. 1783 Comment
  CAS-BOT-BC180080  Geranium viscosissimum Annie Montague Alexander; L. Kellogg 1946-6-12 4726 Modoc 1 mi. E of Lake City. 1414 Comment
  UC748254  Geranium viscosissimum Annie M. Alexander and Louise Kellogg 1946-7-3 4901 Modoc 5 mi w Fort Bidwell; Bidwell Creek Canyon Comment
  HSC8661  Geranium viscosissimum M. T. Milligan 1964-7-4 218 Modoc Lassen Creek above lower campground 1829 Comment
  RSA0029587  Geranium viscosissimum var. nervosum George Willet 1935-6-26 s.n. Modoc Jess Valley, Warren [Warner] Mountains. 2287 Comment
  RSA0029588  Geranium viscosissimum var. nervosum J. T. Howell 1934-6-11 11947 Modoc Parker Creek, Warner Mts. 1585 Comment
  CAS-BOT-BC214654  Geum macrophyllum Elmer Ivan Applegate 1932-8-2 8094 Modoc Mill Creek Meadows, W slope of Warner Mts. Comment
  CAS-BOT-BC214683  Geum triflorum Robert Patterson; Mona Bourell 1993-8-15 5250 Modoc Warner Mountains. Along trail from Patterson Lake to ca. 2 mi north towards Pepperdine Trailhead. 2743 Comment
  CHSC70478  Geum triflorum A. Sanger 1997-5-20 2468 Modoc In uplands of first meadow along Rd. 42N21 south of Loveness Logging Rd. 1524 Comment
  HSC27360  Geum triflorum D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19433 Modoc Near Hager Reservoir 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
  RSA59762  Geum triflorum E. K. Balls 1950-5-15 14699 Modoc 6 miles SW of Dry Lake Ranger Station, along railroad. 1280 Comment
  RSA59708  Geum triflorum var. ciliatum E. K. Balls 1950-5-20 14792 Modoc South Fork Public Camp, South Fork Pit River, Likely to Clear Lake. 1433 Comment
  CAS-BOT-BC190678  Gilia modocensis Bruce Bartholomew 1991-5-24 5723 Modoc NE end of Surprise Valley, 6.5 km E of Fort Bidwell on road to Fee Reservoir. 1500 Comment
  RSA104288  Gilia modocensis Verne Grant, Alva Grant 1956-5-18 9804 Modoc area between Likely and Jess Valley (Type locality of G. modocensis Eastw.). 1524 Comment
  CAS-BOT-BC190675  Gilia sinistra subsp. sinistra Clare Butterworth Hardham 1961-6-18 7815 Modoc Cedar Pass. Comment
  CAS-BOT-BC218301  Glaux maritima Bruce Bartholomew 1992-5-15 6284 Modoc Vicinity of Leonard Hot Spring, E side of Surprise Valley. 1370 Comment
  CAS-BOT-BC303769  Glyptopleura marginata B. Bartholomew; B. Anderson 1989-6-2 4834 Modoc 6.4 km E of Eagleville on the road to the California state border, E side of Surprise Valley 1550 Comment
  CAS-BOT-BC49570  Glyptopleura marginata Bruce Bartholomew; B. Anderson 1989-6-2 4834 Modoc 6.4 km E of Eagleville on the road to the Calif. state border, E side of Surprise Valley. 1550 Comment
  CHSC106174  Gnaphalium palustre Lowell Ahart; John Dittes 2010-8-30 17075 Modoc About 10 yards west of the fence, south edge of the meadow, Ash Creek State Wildlife Area, 2300 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley. 1267 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
  UCD149973  Gratiola ebracteata Harry George 1967-6-15 s.n. Modoc West of Lookout. Comment
  CAS-BOT-BC229889  Gratiola neglecta Herbert Louis Mason; Verne Grant 1947-7-12 13393 Modoc Jones' Lane, off Hwy 395, several miles S of Alturas. Comment
  CAS-BOT-BC229893  Gratiola neglecta Verne Grant; I. Schneider 1947-7-20 8094 Modoc S loop of Westside Road, Pit Valley, N of Likely. Comment
  JEPS21902  Gratiola neglecta Malcolm A. Nobs and S. Galen Smith 1949-7-22 1067 Modoc Likely canals at South Fork of Pit River (bottom of dry canals at South Fork of Pit River) Comment
  UC1191878  Gratiola neglecta Verne Grant and Irving Schneider 1947-7-18 8038 Modoc Eastside Canal s Alturas (5 mi n of Bayley's bridge) Comment
  UC1191881  Gratiola neglecta Herbert L. Mason and Verne Grant 1947-7-11 13373 Modoc off Highway 395 s Alturas (irrigation ditch by Jones' Lane) Comment
  CAS-BOT-BC95535  Grayia spinosa Bruce Bartholomew; Barrett Anderson 1989-4-29 4692 Modoc E side of Surprise Valley, just W of the Nevada border and ca. 15 km E of Cedarville. 1500 Comment
  CAS-BOT-BC304879  Grindelia hirsutula L. S. Smith 1925-7-1 1507 Modoc Modoc National Forest. Webb Flat above Egg Lake 1310 Comment
  CHSC67342  Grindelia nana James D. Jokerst 1986-8-10 2754 Modoc Radar Site Survey S of Doublehead Mtn., Rimrock Lake. 1341 Comment
  UC24777  Hackelia californica Milo S. Baker 1893-6 Modoc near Forestdale Comment
  UC78799  Hackelia californica Mrs. R. M. Austin July 1887 Modoc Pine Hills Comment
  CAS-BOT-BC54086  Hackelia cusickii Mrs. H. C. Cantelow 1940-6-2 Modoc 10 mi. NW of Canby on road to Lava Beds National Monument. Comment
  RSA293417  Hackelia cusickii Reino Alava 1957-7-6 1186 Modoc 2 miles west of Benton Meadows, Davis Creek Pass Road, Modoc Nat l Forest Comment
  CAS-BOT-BC54060  Hackelia micrantha Robert Patterson; Mona Bourell 1993-8-15 5272 Modoc Warner Mountains. Along trail from Patterson Lake to ca. 2 mi north towards Pepperdine Trailhead. 2743 Comment
  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
  POM260415  Hackelia micrantha C. L. Hitchcock 1940-5-27 6691 Modoc 15 miles NE of Alturas. 1616 Comment
  UC881644  Hackelia micrantha C. L. Hitchcock 1940-5-27 6691 Modoc 15 mi ne of Alturas 1615 Comment
  CAS-BOT-BC497194  Hackelia micrantha E. Joyal; D. Mehlman 1988-6-28 1291 Modoc N. Warner Mts., ridge road Comment
  CAS-BOT-BC497195  Hackelia micrantha E. Joyal; D. Mehlman 1988-6-28 1291 Modoc N. Warner Mts., ridge road Comment
  CAS-BOT-BC49548  Helianthus annuus Leland S. Smith 1922-8-5 1330 Modoc Barber Canyon old homestead field. 1371 Comment
  UC971976  Helianthus annuus Annetta Carter 1946-8-18 1775 Modoc 3 mi ne Adin; Round Valley 1402 Comment
  POM311135  Helianthus annuus subsp. lenticularis Annetta Carter 1946-8-18 1775 Modoc Along roadiside in open valley; Eound Valley, 3 miles northeast of Adin 1402 Comment
  SBBG8406  Helianthus cusickii H. and M. Dearing 1939-6-7 3579 Modoc E of Canby Comment
  CAS-BOT-BC54064  Heliotropium curassavicum Bruce Bartholomew 1989-8-11 5058 Modoc Along W side of Goose Lake, 3.5 km S of the Oregon border on National Forest Road 48. 1430 Comment
  UC1597521  Hemizonella minima Mrs. R. M. Austin Modoc Comment
  CAS-BOT-BC21466  Heracleum lanatum Bruce Bartholomew 1989-8-11 5068 Modoc Along Lassen Creek near SE side of Harris Flat, Warner Mountains. 1920 Comment
  CHSC106329  Herniaria hirsuta subsp. hirsuta Lowell Ahart; John Dittes 2010-8-31 17110 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, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1295 Comment
  CAS-BOT-BC180043  Hesperochiron californicus Edward Kent Balls 1950-5-11 14617 Modoc 8 mi. N of Lake City, W shore of Upper Lake. 1402 Comment
  CHSC85194  Hesperochiron californicus John Dittes; Josephine Guardino 1991-6-1 372 Modoc Modoc Plateau; Big Valley; Ash Creek Wildlife Area; ca. 5.7 air-miles northeast of Bieber, ca. 7.6 air-miles west of Adin, ca. 1.5 air-mile southeast of Pilot Butte summit; meadow at northern edge of Ash Creek Floodplain (Big Swamp) at southeast base of Pilot Butte. 1258 Comment
  CAS-BOT-BC180039  Hesperochiron pumilus Bruce Bartholomew; Barrett Anderson 1988-5-12 4102 Modoc White Horse. 1340 Comment
  HSC68795  Hesperochiron pumilus Gary Schoolcraft 1980-4-29 209 Modoc Harper Hill N of Adin 1402 Comment
  CAS-BOT-BC179170  Hesperolinon micranthum Frances D. Payne 1932-7-11 692 Modoc Parker Creek. 1584 Comment
  CAS-BOT-BC225794  Heuchera cylindrica Elmer Ivan Applegate 1932-8-1 8057 Modoc Near summit of Warren Peak, Warner Mts. Comment
  CAS-BOT-BC225795  Heuchera cylindrica Louis Cutter Wheeler 1935-8-7 3804 Modoc Pine Creek, Warner Mts. 1554 Comment
  CAS-BOT-BC225798  Heuchera cylindrica Bruce Bartholomew; Barrett Anderson 1990-7-20 5493 Modoc 10.3 km N of Buck Creek Ranger Station, crest of Warner Mountains W side of Warner Mts. 2130 Comment
  CHSC113994  Heuchera cylindrica L. P. Janeway 2014-7-7 11451 Modoc Warner Mountains. North-facing slope along Road 46N25 along Mill Creek, 1.0 km from Bidwell Creek; 5.2 air-km northwest of Fort Bidwell. 1554 Comment
  CAS-BOT-BC49482  Hieracium scouleri Roxana Stinchfield Ferris; L. Lorraine 1941-8-14 10578 Modoc 3 mi. from Patterson Ranger Station on road to Eagleville, Warner Mtns., Modoc N.F. Comment
  CHSC113985  Hieracium scouleri L. P. Janeway 2014-7-7 11452 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
  UC748197  Hieracium scouleri Annie M. Alexander and Louise Kellogg 1946-7-7 4935 Modoc Eight Mile Creek, ne corner of county Eight Mile Creek 1752 Comment
  JEPS36590  Hieracium scouleri L. S. Smith 1918-7-22 1004 Modoc Blue Lake Modoc Forest, Blue Lake 1828 Comment
  RSA540061  Hieracium scouleri Bruce Bartholomew, B. Anderson 1990-7-19 5418 Modoc Top of Hunters Ridge south of Rush Creek. 1960 Comment
  CAS-BOT-BC180051  Hippuris vulgaris John Thomas Howell 1934-7-2 12353 Modoc Nigger Ben Spring, SE end of Clear Lake. Comment
  SD241835  Hippuris vulgaris Louis C. Wheeler 1935-9-8 3957 Modoc Tuttle Place, W side Goose Lake. In shallow sunny pond. 1463 Comment
  SEINET8408787  Holodiscus microphyllus Unknown 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
  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
  CAS-BOT-BC214702  Holodiscus microphyllus var. glabrescens Leland S. Smith 1924-6-29 1448 Modoc In rocks near Lava Ranger Station. Comment
  HSC68796  Holosteum umbellatum Gary Schoolcraft 1980-4-29 218 Modoc S of substation on N side of Hwy. 299 to Cedarville 1512 Comment
  CAS-BOT-BC95209  Holosteum umbellatum subsp. umbellatum Bruce Bartholomew 1994-5-28 6711 Modoc 8.5 km E of Likely on road to Jess Valley along the S Fork of the Pit River. 1620 Comment
  HSC79959  Hordeum brachyantherum Tim Messick 1980-7-24 1247 Modoc Banks of Rough Creek, 0.1 mi. upstream from Geiger Grade 2790 Comment
  SJSU2089  Hordeum brachyantherum J. W. Tilden 1958-6-26 1275 Modoc Near Cedar Pass between Alturas & Cedarville. Annotation by C.W. Sharsmith, 1961: ""Warner Mts.; coll on west side Cedar Pass at alt. c. 6000ft. fide J.W. Tilden"" 1828 Comment
  CAS-BOT-BC247683  Hordeum brachyantherum subsp. brachyantherum Bruce Bartholomew 1990-8-4 5625 Modoc Slope on NE side of Pine Creek Basin on trail to Patterson Lake, W side of Warner Mts. 2430 Comment
  UCD85780  Hordeum marinum subsp. gussoneanum A. A. Beetle; G. L. Stebbins Jr. 1942-5-30 3275 Modoc 3.5 miles E of Adin. Comment
  POM34909  Horkelia fusca subsp. capitata R. M. Austin 1895-07 s.n. Modoc Willow Creek (Devils Garden) Comment
Read comments
Jul 11 2010
  CAS-BOT-BC49486  Hulsea nana Elmer Ivan Applegate 1935-6-11 9515 Modoc Top of cinder cone, Lava Beds National Monument. Comment
  CAS-BOT-BC179319  Hydrophyllum capitatum var. alpinum Leland S. Smith 1919-6-1 1107 Modoc Deep Creek Ranger Station above pasture. 1524 Comment
  CAS-BOT-BC179332  Hydrophyllum capitatum var. alpinum Bruce Bartholomew; Barrett Anderson 1989-4-29 4688 Modoc Surprise Valley Road, just S of the Oregon border, extreme NE corner of Modoc County. 1630 Comment
  CAS-BOT-BC180026  Hydrophyllum capitatum var. alpinum Leland S. Smith 1919-5-18 1102 Modoc Jess Valley. 1600 Comment
  RSA77052  Hydrophyllum capitatum var. alpinum F. W. Peirson 1926-6-25 6875 Modoc small side canyon on Cedarville road 1 mile W of summit of Warner Mts. Comment
  JEPS4030  Hydrophyllum capitatum var. alpinum Frances D. Payne 1932-6-12 542 Modoc s and e of Alturas (Dry Creek canyon, tributary of Parker Creek); Warner Mountains, Parker Creek 1645 Comment
  RSA420900  Hydrophyllum capitatum var. alpinum Christopher Davidson 1973-5-26 2717 Modoc 4 miles W of Canby on Hwy 299. 1341 Comment
  UC748342  Hymenoxys lemmonii Annie M. Alexander and Louise Kellogg 1946-6-10 4716 Modoc top of lava bench more or less on slope n Snake Lake (between Lower and Snake Lakes) Comment
  CAS-BOT-BC179899  Hypericum anagalloides Bruce Bartholomew 1989-8-11 5101 Modoc Vicinity of Patterson Ranger Station, S end of Warner Mountains. 2160 Comment
  JEPS66827  Hypericum formosum var. scouleri Leland S. Smith 1924-6-29 1436 Modoc Happy Camp Ranger Station Modoc Forest, Happy Camp Ranger Station 1371 Comment
  CAS-BOT-BC58445  Idahoa scapigera Bruce Bartholomew; Barrett Anderson 1988-5-14 4201 Modoc Pease Cabin, 0.8 km E of Fletcher Creek on USFS road 47N09 between Goose Lake and Crowder Flats. 1550 Comment
  UC10772  Idahoa scapigera Mrs. R. M. Austin April, 1894 Modoc Goose Lake Valley Comment
  UC117501  Idahoa scapigera R. M. Austin May, 1894 8 Modoc Goose Lake Valley Comment
  CDA24886  Idahoa scapigera D. O. Clark 1980-4-25 Modoc 0 Comment
  SFV7752  Iliamna bakeri T. Gordon, K. Kimbrough 1975-8-15 1216 Modoc Near the entrance to Lava Beds National Monument. 1280 Comment
  CAS-BOT-BC15178  Ionactis alpina Elmer Ivan Applegate 1932-8-1 8040 Modoc Arid summit of Warner Mts. S of Warren Peak. 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-BC190648  Ipomopsis aggregata subsp. aggregata K. Paulson; Robert Paulson 1988-6-19 47 Modoc N of Happy Camp Guard Station. 1615 Comment
  CAS-BOT-BC190650  Ipomopsis aggregata subsp. aggregata John Thomas Howell 1934-6-11 11951 Modoc Parker Creek, Warner Mts. 1584 Comment
  CHSC50766  Ipomopsis congesta Marion Ownbey; Fred G. Meyer 1940-7-1 2133 Modoc Cedar Pass, Warner Mts. Comment
  CAS-BOT-BC190644  Ipomopsis congesta subsp. montana Bruce Bartholomew 1990-8-4 5637 Modoc Top of pass on Summit Trail, ca. 0.5 km SE of Patterson Lake, E side of Warner Mts. 2800 Comment
  CAS-BOT-BC190645  Ipomopsis congesta subsp. montana Elmer Ivan Applegate 1932-8-1 8033 Modoc Bald, arid summit of Warner Mts. just S of Warren Peak. 2133 Comment
  CAS-BOT-BC248313  Ipomopsis congesta subsp. montana B. Bartholomew; H. Sun 2002-6-24 8853 Modoc E of Bald Mt., on the E side of the Warner Mountains 2130 Comment
  CAS-BOT-BC190636  Ipomopsis congesta subsp. palmifrons Robert Patterson; Mona Bourell 1993-8-15 5258 Modoc Warner Mountains. Along trail from Patterson Lake to ca. 2 mi north towards Pepperdine Trailhead. 2743 Comment
  CAS-BOT-BC248372  Ipomopsis tenuituba B. Bartholomew; H. Sun 2002-6-24 8863 Modoc Fandango Pass on the E side of the Warner Mountains near the crest of the mountains 1820 Comment
  UC4304  Iris missouriensis Mrs. R. M. Austin May 1894 Modoc Goose Lake Valley Comment
  UC844909  Iris missouriensis C. L. Hitchcock 1940-5-28 6727 Modoc 15 mi n Alturas 1402 Comment
  CAS-BOT-BC58405  Isatis tinctoria Thomas C. Fuller 1963-7-16 10913 Modoc E side of Fandango Pass Rd., 1.8 mi. E of Hwy 395 to Willow Ranch. Comment
  JEPS121201  Isatis tinctoria Lowell Ahart, John Dittes 2013-7-25 18962 Modoc 30 yards N of the E-W fence, south edge of Ash Creek Floodplain, NE of Patterson Homestead, E of Elkins Lane, 1.0 air miles S of County Road 87, 3.14 air miles W of Adin, Big Valley. Comment
  SEINET6164860  Isoetes howellii M. Lavin, K. Warren 1979-9-2 s.n. Modoc South Warner Wilderness Area, along N edge of N Emerson Lake 2438 Comment
  UC72783  Isopyrum stipitatum Milo S. Baker 1896-5-15 Modoc Taylor Mt. Comment
  SBBG8490  Iva axillaris H. and M. Dearing 1939-6-7 3576 Modoc E of Adin Comment
Read comments
Apr 21 2015
  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
  RSA537662  Ivesia baileyi var. beneolens D. W. Taylor 1990-6-25 11164 Modoc Cedar Pass, northerly slopes of Peak 7298. 2149 Comment
  CAS-BOT-BC245076  Juncus balticus subsp. ater John H. Hatton 1911-6-16 100 Modoc unspecified 1371 Comment
  CHSC112774  Juncus bufonius var. congestus Lowell Ahart; John Dittes 2013-7-24 18929 Modoc Edge of a man made pond, about 50 yards south of the levee road, north side of Ash Creek Floodplain, 0.54 mile (air) southeast of Pilot Butte Parking Area, 1.1 miles (air) south of County Road 87, 6.8 miles (air) west of Adin, Big Valley. 1263 Comment
  CHSC117141  Juncus bufonius var. occidentalis Lowell Ahart; John Dittes 2016-7-14 21205 Modoc Strand of a new pond, south of Ash Creek Canal (now filled in), south of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of Cdounty Road 87, 1.73 miles (air) west of Adin, Big Valley. 1273 Comment
  RSA0113962  Juncus bufonius var. occidentalis Lowell A. Ahart, John Dittes 2013-7-24 18930 Modoc About 50 yards south of the levee road, north side of Ash Creek Floodplain, 0.54 mile (air) southeast of Pilor Butte Parking Area, 1.1 miles (air) south of County Road 87, 6.8 miles (air) west of Adin, Big valley. 1263 Comment
  CHSC83464  Juncus confusus Bill Maslach 2001-7-9 28 Modoc Stough Reservoir Campground, off Hwy. 299; Warner Mountains. 1900 Comment
  CAS-BOT-BC245063  Juncus ensifolius Bruce Bartholomew; Barrett Anderson 1988-7-23 4595 Modoc Pine Creek, 4 km E of U.S Highway 395 on the road to Lily Lake, Warner Mts.. 1620 Comment
  CHSC112761  Juncus ensifolius Lowell Ahart; John Dittes 2013-7-24 18943 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
  CAS-BOT-BC245047  Juncus hemiendytus var. hemiendytus Bruce Bartholomew 1993-6-12 6605 Modoc Flat between Egg Lake and Lookout just E of railroad track. 1260 Comment
  CAS-BOT-BC245046  Juncus longistylis Alice Eastwood; John Thomas Howell 1940-6-15 8279 Modoc Near Happy Camp Ranger Station. Comment
  CHSC30638  Juncus nevadensis N. E. H. Prouty 1980-7-1 193 Modoc Modoc Nat. Forest. Bear Flat T.S. Along drainage running south from Bear Flat Pond into Soup Creek. 1798 Comment
  UC1142957  Juncus nevadensis A. L. Hormay 1941-6-23 32 Modoc Spaulding Reservoir Modoc National Forest Comment
  CAS-BOT-BC81199  Juniperus occidentalis Florence Angwin 1946-5-4 s.n. Modoc Adin Comment
  CAS-BOT-BC81201  Juniperus occidentalis Florence Angwin 1946-5-4 s.n. Modoc Adin Comment
  CAS-BOT-BC81209  Juniperus occidentalis Elmer I. Applegate 1932-7-9 7622 Modoc Big grade, Fandango Pass, Goose Lake side Comment
  UC1134338  Juniperus occidentalis R. C. Wilson 1933-6-27 54 Modoc Rush Creek Modoc National Forest, Canby Quad., Rush Creek 1463 Comment
  UC401374  Juniperus occidentalis Franklin P. Nutting Modoc lava near Egg Lake Comment
  CAS-BOT-BC225091  Kelloggia galioides E. S. Willits 1940-6-9 335 Modoc Fandango Pass. Comment
  CAS-BOT-BC248321  Kelloggia galioides B. Bartholomew; H. Sun 2002-6-24 8865 Modoc Fandango Pass on the E side of the Warner Mountains near the crest of the mountains 1820 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
  CAS-BOT-BC95540  Kochia americana Bruce Bartholomew; Barrett Anderson 1989-6-2 4832 Modoc 6.4 km E of Eagleville on the road to the California state border, E side of Surprise Valley. 1550 Comment
  CDA3143  Kochia scoparia T. C. Fuller 1962-8-29 9484 Modoc Between road and canal of the South Fork of the Pit River, Pit River Ranch, ca. 5 miles north of Likeley. 0 Comment
  CHSC85185  Koeleria macrantha John Dittes; Josephine Guardino 1991-7-21 438 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
  UC1024945  Koeleria macrantha Leo Whitney 1935-7-2 3325 Modoc ca 17 mi nw Canby; Badger Wells Comment
  UC60745  Koeleria macrantha M. S. Baker and Frank Nutting 1894-6-29 Modoc Big Valley Comment
  UCD85811  Koeleria macrantha J. C. Hays 1940-7-2 s.n. Modoc Modoc County. No location given. Comment
  UCD85812  Koeleria macrantha August L. Hormay 1932-7-14 s.n. Modoc D.D. plot site. Comment
  UCD86012  Koeleria macrantha L. D. Whitney 1935-7-2 s.n. Modoc Badger Well. Comment
  UC485313  Kyhosia bolanderi Franklin P. Nutting Modoc Forestdale Comment
  UC33035  Lactuca tatarica subsp. pulchella Milo S. Baker 1893-7-25 Modoc Comment
  CHSC112833  Lagophylla ramosissima Lowell Ahart; John Dittes 2013-7-25 18946 Modoc 30 yards north of the east-west fence, south edge of Ash Creek Floodplain, northeast of Patterson Homestead, east of Elkins Lane, 1.0 mile (air) south of County Road 87, 3.14 miles (air) west of Adin, Big Valley. 1267 Comment
  HSC41117  Lagophylla ramosissima Thomas W. Nelson, Jane P. Nelson, James Nelson 1976-8-29 3251 Modoc Modoc National Forest: along Hwy. 299 just NW of Adin Pass 1524 Comment
  CHSC110887  Lagophylla ramosissima subsp. ramosissima Lowell Ahart; John Dittes 2012-7-12 18376 Modoc On the east side of Elkins Lane, about 100 yards north of the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1262 Comment
  RSA795599  Lagophylla ramosissima subsp. ramosissima L. Ahart, John Dittes 2010-8-30 17065 Modoc About 15 yards west of the fence, south edge of the meadow, Ash Creek State Wildlife Area, 2300 feet north of Lassen County Line, about 3.6 air miles west of Adin, about 8.0 air miles northeast of Bieber, Big Valley. 1268 Comment
  CHSC117290  Lamium amplexicaule Lowell Ahart; John Dittes 2016-7-14 21174 Modoc South of Ash Creek Canal (now filled in), south of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. 1273 Comment
  POM72854  Lappula occidentalis var. occidentalis Mrs. R. M. Austin, Bruce 1898-07 2269 Modoc Goose Lake Valley. Comment
  CAS-BOT-BC181978  Lathyrus brownii Roxana Stinchfield Ferris; R. Duthie 1919-6-14 79 Modoc Near Parker Creek. 1981 Comment
  CAS-BOT-BC181981  Lathyrus brownii Bruce Bartholomew; Barrett Anderson 1988-5-12 4122 Modoc SE side of Egg Lake, ca. 1 km E of the Burlington Northern railroad track. 1290 Comment
  CAS-BOT-BC497318  Lathyrus lanszwertii Fred P. Cronemiller, Jr. 1920-6-10 3 Modoc McKenzie Spring 1310 Comment
  JEPS55340  Lathyrus lanszwertii var. lanszwertii M. F. Gilman c. 1918 544 Modoc Comment
  CAS-BOT-BC181975  Lathyrus rigidus L. A. M. Black 1893-6-1 80 Modoc Davis Creek. Comment
  UC105922  Ledum glandulosum Mrs. R. M. Austin 145 Modoc Lassen Creek Comment
  CHSC115829  Lemna minuta Lowell Ahart; John Dittes 2015-7-17 20397 Modoc On the south side of Ash Creek, Ash Creek State Wildlife Area, about 3/4 mile south of county Road B7, about 2.7 miles (air) west of Adin, about 9.1 miles (air) northeast of Bieber. 1279 Comment
  JEPS43457  Lemna turionifera Frances D. Payne 1932-7-22 731 Modoc Parker Creek; Warner Mountains, Parker Creek 1584 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-BC58663  Lepidium chalepense K. Paulson; Robert Paulson 1990-7-21 214 Modoc Patterson Meadow, Warner Mts. Comment
  CHSC99153  Lepidium dictyotum var. dictyotum Lowell Ahart; John Dittes 2008-6-21 15011 Modoc Along a large levee, 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
  HSC26007  Lepidium lasiocarpum D. H. Norris, T. Nelson, S. Dowty 1971-6-23 19399 Modoc Along Hager Basin Rd. near Big Sage Reservoir. Comment
  SEINET5341382  Lepidium latifolium M. J. Williams 1984-7-1 84- 89 -1 Modoc NW of Alturas, N of Hwy 299, Crowder Flat road. 1372 Comment
  CAS-BOT-BC58350  Lepidium perfoliatum M. M. Hanna 1956-6-4 Modoc 6 mi. N of Alturas, Cedar Pass Road. Comment
  CHSC85096  Lepidium perfoliatum John Dittes; Josephine Guardino 1991-6-1 347 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
  JEPS53731  Lepidium perfoliatum Frances D. Payne 1932-6-8 418 Modoc 6 mi e Alturas (on road to Parker Creek); Warner Mountains Comment
  UC73636  Leptodactylon pungens Milo S. Baker 1893-1 Modoc Egg Lake Comment
  HSC80889  Leptosiphon ciliatus G. M. Riegel 1979-7-12 508 Modoc S Warner Mtns. 2100 Comment
  RSA601530  Leptosiphon harknessii L. C. Wheeler 1935-8-16 3868 Modoc Dismal Swamp, Twenty Mile Creek. Warner Mountains. Mt. Diablo Mer. 2226 Comment
  SEINET6033402  Leptosiphon harknessii L. P. Janeway 2014-7-7 11444 Modoc Warner Mountains, east side of crest of Warner Mountains 2.3 air km east of Cedar Pass; along Road 43N07, 1.4 road km east of Stough Reservoir. Cedarville 7.5' quad 2000 Comment
  SJSU9559  Leptosiphon harknessii W. Savage 1979-7-3 1299 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  RSA41962  Leptosiphon harknessii Ella Dales Cantelow 1940-6-2 4133 Modoc N.W. of Canby on rd to lava beds. Comment
  RSA504674  Leptosiphon nuttallii Bruce Bartholomew, B. Anderson 1988-6-24 4295 Modoc Road beyond Poison Lake, ca. 8 km S of the road from Hwy 395 to Lily Lake, Warner Mountains. 2130 Comment
  CAS-BOT-BC242085  Leucocrinum montanum Bruce Bartholomew; Barrett Anderson 1988-5-13 4139 Modoc W side of Dorris Reservoir, ca. 4 km E of Alturas. 1340 Comment
  HSC15562  Leucocrinum montanum M. T. Milligan 1966-5-14 607 Modoc Plateau W of Jess Valley 1829 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
  POM71388  Leucophysalis nana R. M. Austin 1895-07 40 Modoc Goose Lake Valley. Comment
  SEINET12271432  Leucophysalis nana M. Ownbey, Meyer, F. G. 1940-1 2132 Modoc near Cedar Pass, Warner Mts Comment
  CAS-BOT-BC247702  Leucopoa kingii Clare Butterworth Hardham 1961-6-18 7552 B Modoc 3.2 mi. E of Cedar Pass. Comment
  UC748279  Lewisia rediviva Annie M. Alexander and Louise Kellogg 1946-6-14 4744 Modoc on small flat, Patterson Mill Road se corner of county 1341 Comment
  POM201805  Leymus cinereus Frances D. Payne 78 Modoc Warner Mts. Comment
  CAS-BOT-BC247632  Leymus triticoides Leland S. Smith 1917-7-23 144 Modoc Joseph Creek. 1706 Comment
  JEPS69228  Leymus triticoides Leland S. Smith 1920-7-4 1173 Modoc Alturas Comment
  UC1037152  Leymus triticoides Leo Whitney 3412 Modoc near Lookout; Pit River Comment
  UC1037175  Leymus triticoides Leo Whitney 1935-8-18 3537 Modoc Alturas Comment
  UCD65613  Leymus triticoides L. Whitney 1935-8-3 s.n. Modoc North Warner Mts., Buck Creek. Comment
  CAS-BOT-BC245038  Lilaea scilloides Elmer Ivan Applegate 1932-7-30 7947 Modoc Alturas. Comment
  CHSC40543  Lilium pardalinum subsp. pardalinum J. D. Jokerst 1983-6-12 1840 Modoc Small creek that flows through the Upper Rush Cr. Campground ca 100 meters upstream from the camp. Ca 8 miles north of Aden. Comment
  CAS-BOT-BC242071  Lilium pardalinum subsp. shastense Bruce Bartholomew; Barrett Anderson 1988-7-21 4438 Modoc Above Upper Rush Creek Campground ca. 4 km E of State Highway 299 between Adin and Canby. 1580 Comment
  CAS-BOT-BC190629  Linanthus bolanderi Bruce Bartholomew; Mona Bourell 1990-4-26 5155 Modoc 0.5 km S of Day. 1100 Comment
  UC449824  Linanthus ciliatus Franklin P. Nutting Modoc near Egg Lake; Lava Comment
  CAS-BOT-BC198039  Linanthus harknessii Peter Hamilton Raven; Otto Thomas Solbrig 1958-6-18 13334 Modoc 9.7 mi N of Adin on Hwy 299. Comment
  CAS-BOT-BC198043  Linanthus harknessii Bruce Bartholomew 1991-7-4 5920 Modoc Road between Roney Flat and Miller Flat. 1630 Comment
  UC526130  Linanthus harknessii John Thomas Howell 1934-6-12 12031 Modoc Plum Valley Warner Mts. Comment
  CAS-BOT-BC198026  Linanthus nuttallii subsp. nuttallii K. Paulson; Robert Paulson 1989-7-14 179 Modoc Vicinity of Little Lily Lake, ca. 2.5 mi. S of the Oregon border, N end of Warner Mts. 2171 Comment
  HSC17066  Linanthus pungens R. C. Wunner 1965-6-20 26 Modoc Lava Beds National Monument near Thunderbolt Cave 1463 Comment
  CDA6363  Linaria genistifolia subsp. dalmatica T. C. Fuller 1962-8-29 9485 Modoc Near Sugar Hill Planting, Lassen Creek, 11 miles south of New Pine Creek. 0 Comment
  CDA6365  Linaria genistifolia subsp. dalmatica T. C. Fuller 1963-7-16 10909 Modoc Lassen Creek, Sugar Hill Planting, ca. 6 miles southeast of Willow Ranch. 0 Comment
  CDA36139  Linaria vulgaris CDFA Staff Aug 1985 Modoc Stronghold. 0 Comment
  CAS-BOT-BC179155  Linum lewisii Ethel S. Willits 1940-6-5 325 Modoc Canby. Comment
  CAS-BOT-BC179158  Linum lewisii Elmer Ivan Applegate 1932-8-3 8114 Modoc Dry crest of Warner Mts. near Eagle Peak. Comment
  POM86833  Linum lewisii R. M. Austin 1895-07 477 Modoc Willow Creek, Devils Garden. Comment
Read comments
Jan 1 2016
  RSA165543  Linum lewisii Clare B. Hardham 1961-6-19 783 Modoc Davis creek. 1677 Comment
  UC571114  Linum lewisii F. H. Frost 1925-7-27 174 Modoc Warner Mountains, Clear Lake Clear Lake; Warner Mountains, Clear Lake Comment
  CAS-BOT-BC225813  Lithophragma glabrum Robert J. Weatherby 1955-7-7 1601 Modoc Dismal Swamp, northern Warner Mts. 2240 Comment
  CAS-BOT-BC225821  Lithophragma glabrum Bruce Bartholomew; Mona Bourell 1990-4-26 5162 Modoc N end of Big Valley, 4.7 km N of Lookout on County Rte 90. 1270 Comment
  UC748208  Lithophragma glabrum Annie M. Alexander and Louise Kellogg 1946-6-25 4824 Modoc Dismal Swamp Warner Mtns (n end of Warner Mtns) 2255 Comment
  UC858192  Lithophragma glabrum C. L. Hitchcock 1940-5-27 6718 Modoc 15 mi ne Alturas 1981 Comment
  JEPS27156  Lithophragma glabrum Lauramay T. Dempster 1961-6-19 1705 Modoc e Davis Creek (town) (headwaters of the South Fork of Davis Creek); headwaters of South Fork of Davis Creek 2286 Comment
  CAS-BOT-BC225830  Lithophragma parviflorum Bruce Bartholomew; Barrett Anderson 1989-6-1 4745 Modoc ca. 0.5 km S of State Hwy 299 on road to Shaker Spring. 1420 Comment
  UCR87509  Lithophragma parviflorum George K. Helmkamp, E. A. Helmkamp 1993-5-4 s.n. Modoc 16.1 miles NW of Canby along Calif. Hwy 139 1280 Comment
  UC14490  Lithophragma parviflorum Milo S. Baker 1893-7-18 Modoc Comment
  RSA6913  Lithophragma tenellum Elmer I. Applegate 1932-8-2 8086 Modoc Mill Creek Meadows. Warner Mtns. Comment
  JEPS21378  Lithospermum californicum W. L. Jepson 1918-8-9 7917 Modoc Ft. Bidwell 1432 Comment
  UC1037250  Lithospermum ruderale Leo Whitney 1934-5-28 1603 Modoc 15 mi nw Canby (Spaudldings Butte near Hackamore); Modoc National Forest 1463 Comment
  CAS-BOT-BC54036  Lithospermum ruderale Leland S. Smith 1917-5-31 22 Modoc West Valley. 1371 Comment
  CAS-BOT-BC21445  Lomatium bicolor var. leptocarpum Margaret J. Williams 1984-6-30 84- 81 -1 Modoc 9.6 mi. from Gerlach-Cedarville road on Parker Creek rd. Comment
  CAS-BOT-BC21453  Lomatium bicolor var. leptocarpum R. M. Austin; C. C. (Mrs.) Bruce 1898-6-1 2283 Modoc Fields, Goose Lake. Comment
  CAS-BOT-BC497331  Lomatium bicolor var. leptocarpum G. Schoolcraft 1998-5-19 2708 Modoc 1/2 mi E of Hwy 395 on Hwy 299, E. Alturas 1386 Comment
  RSA334870  Lomatium bicolor var. leptocarpum A. Tiehm 1984-7-30 8827 Modoc Modoc County: 8.9 road miles NE of Ft. Bidwell on the main road to Adel, just past the road summit. 1616 Comment
  RSA452581  Lomatium bicolor var. leptocarpum L. C. Wheeler 1935-9-12 3982 Modoc Devils Garden: 2 miles SW Poindexter Reservoir. 1524 Comment
  CAS-BOT-BC21429  Lomatium canbyi Bruce Bartholomew; M; M. Gilbert; L. E. Skog 1993-5-12 6521 Modoc Adjacent to Turner Creek at County Rd 90, N end of Big Valley, 6.4 km N of Lassen County border. 1560 Comment
  CAS-BOT-BC21430  Lomatium canbyi Bruce Bartholomew 1993-4-5 6414 Modoc S side of Pit River on County Road 84, ca. 2 km E of County Road 85. 1340 Comment
  UC71553  Lomatium dissectum var. multifidum Mrs. M. H. Manning 1903-5-8 110 Modoc near Fort Bidwell; n.e. Modoc Co. Comment
  CAS-BOT-BC30127  Lomatium foeniculaceum subsp. macdougalii Bruce Bartholomew 1993-6-13 6613 Modoc Near the Nevada border, E of Eagleville, Surprise Valley. 1510 Comment
  CAS-BOT-BC30131  Lomatium grayi var. grayi Bruce Bartholomew 1993-6-13 6634 Modoc Just W of Sand Creek on road from Highway 299 to Leonard Hot Spring, E side of Surprise Valley. 1410 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-BC30139  Lomatium macrocarpum Alice Eastwood; John Thomas Howell 1940-6-12 8102 Modoc W side of Cedar Pass. Comment
  CAS-BOT-BC30142  Lomatium macrocarpum E. S. Willits 1940-4-27 194 Modoc Davis Creek. Comment
  CAS-BOT-BC30146  Lomatium macrocarpum Isabel T. Kelly 1930-1-1 21 Modoc Cowhead Lake. Comment
  RSA164355  Lomatium nevadense Clare B. Hardham 1961-6-18 7590 Modoc Cedar Pass. 1829 Comment
  JEPS89904  Lomatium nevadense var. nevadense Dean W. Taylor 1992-5-8 12569 Modoc ca. 0.5 mi. e. Moonlite Mines (Mt. Bidwell); Warner Mts., Mt. Bidwell 7 1/2 Quad. 1990 ed. 2432 Comment
  UC106254  Lomatium nevadense var. nevadense Mrs. R. M. Austin May 1884 87 Modoc Goose Lake Valley Comment
  HSC28826  Lomatium nevadense var. parishii D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19505 Modoc Big Valley Summit, 6 mi. W of Adin on Hwy. 299 Comment
  CAS-BOT-BC15769  Lomatium nudicaule 1976-5-1 9 LM76 Modoc Devils Garden N of Alturas. 1402 Comment
  CAS-BOT-BC15726  Lomatium piperi Bruce Bartholomew; Barrett Anderson 1989-4-28 4661 Modoc 8 km E of the Modoc National Forest Boundary on Parker Creek Road, W side of Warner Mts. 1930 Comment
  CHSC66983  Lomatium triternatum var. macrocarpum James D. Jokerst 1987-5-11 2833 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
  SD264744  Lomatium triternatum var. macrocarpum Tracey Call, Viola Call 1964-6-23 2281 Modoc 1 miles south of Perez. 914 Comment
  UC1246753  Lomatium triternatum var. macrocarpum A. S. Barclay, R. D. Barbee, K. E. Blum and S. D. Koch 1962-7-19 1397 Modoc 17 mi N of Alturas (Hwy 395) 1371 Comment
  CAS-BOT-BC21414  Lomatium triternatum var. triternatum Bruce Bartholomew 1990-6-18 5370 Modoc SW side of Goose Lake, 2 km N of McGinty Point. 1420 Comment
  CAS-BOT-BC21417  Lomatium triternatum var. triternatum M. M. Hanna 1956-6-4 s.n. Modoc Cedar Pass. Comment
  CAS-BOT-BC21421  Lomatium triternatum var. triternatum Bruce Bartholomew; Barrett Anderson 1989-6-3 4884 Modoc Boles Creek, ca. 5.5 km E of the SE corner of Clear Lake Reservoir. 1430 Comment
  CAS-BOT-BC21397  Lomatium vaginatum Mrs. H. C. Cantelow 1940-5-31 s.n. Modoc 3 mi. E of Canby. Comment
  UC1187700  Lomatium vaginatum Tracey and Viola Call 1961-5-30 2052 Modoc Lassen--Modoc Co. Line, near Hwy 395 1676 Comment
  CAS-BOT-BC95175  Lonicera involucrata var. involucrata Francis Dorris Payne 1955-7-21 Modoc Lily Lake. Comment
  SEINET5512249  Lotus humistratus J. C. Beatley 1964-1 Modoc Tule Lake area. Drainage area: Tule Lake area 1829 Comment
  CAS-BOT-BC8390  Lotus leonis Leo David Whitney 1934-6-3 1920 Modoc Hackamore River, Hackamore 1463 Comment
  CAS-BOT-BC181948  Lotus nevadensis var. nevadensis Bruce Bartholomew; Barrett Anderson 1988-6-23 4227 Modoc 2.1 km SSE of Day on the road to State Highway 299. 1020 Comment
  CAS-BOT-BC181950  Lotus nevadensis var. nevadensis Bruce Bartholomew; Barrett Anderson 1989-6-3 4915 Modoc 5 km W of County Route 91 along the N side of the Pit River. 1340 Comment
  CAS-BOT-BC181936  Lotus purshianus var. purshianus Bruce Bartholomew; Barrett Anderson 1988-6-23 4223 Modoc 2.1 km SSE of Day on the road to State Highway 299. 1020 Comment
  CAS-BOT-BC181945  Lotus purshianus var. purshianus Bruce Bartholomew 1989-8-10 5039 Modoc Little Hot Spring Valley, 3.2 km NW of Day. 1070 Comment
  RSA504839  Lotus unifoliolatus Bruce Bartholomew, B. Anderson 1988-7-22 4485 Modoc Vicinity of East Creak Trailhead, southern end of the Warner Mountains; Sierran Montane forest. 2210 Comment
  CAS-BOT-BC181929  Lupinus C. P. Smith 1947-6-13 47458 Modoc Highway 395, Davis Creek, 4 miles north Comment
  CAS-BOT-BC181904  Lupinus arbustus Elmer Ivan Applegate 1929-6-24 5885 Modoc Between Lookout and Adin, upper Pitt River region. Comment
  POM28177  Lupinus arbustus subsp. calcaratus R. M. Austin, C. C. Bruce 1898-06 2146 Modoc [Unspecified] Comment
  RSA59734  Lupinus arbustus subsp. calcaratus E. K. Balls 1950-5-20 14798 Modoc 1.5 miles below Clear Lake, from Likely, South Fork Pitt River. 1677 Comment
  CAS-BOT-BC182183  Lupinus argenteus C. P. Smith 1947-6-13 47450 Modoc Highway 299, Canby, 2.5 mi. S. Comment
  CAS-BOT-BC182224  Lupinus argenteus C. B. Wolf 1931-9-4 2398 Modoc Canby. Comment
  UC527344  Lupinus argenteus C. B. Wolf 1931-9-4 2398 Modoc Canby 1325 Comment
  SJSU9656  Lupinus argenteus W. Savage 1979-7-8 1492 Modoc N end Fairchild Swamp Unit, Triangle, Devils Garden District, Modoc National Forest 1493 Comment
  SEINET10870581  Lupinus argenteus subsp. argenteus Duane Isely, I. Isely 1971-7-11 Isely 11374 Modoc Roadside at intersection state 139 and 299. Flowers bright violet; standard Ascending 45 degrees; no basal leaves Comment
  CHSC98636  Lupinus argenteus var. argenteus Richard R. Halse 2006-8-4 6996 Modoc Modoc National Forest, south end of the Warner Mountains, along Patterson Mill Road by Homestead Flat. 2152 Comment
  POM212695  Lupinus argenteus var. argenteus H. P. Bracelin 1931-6-30 500 Modoc Alturas, south end of town. 1524 Comment
  RSA722577  Lupinus argenteus var. argenteus R. R. Halse 2006-8-4 6996 Modoc Modoc National Forest, south end of the Warner Mountains, along Patterson Mill Road by Homestead Flat. 2152 Comment
  CAS-BOT-BC196342  Lupinus argenteus var. argenteus Mrs. A. H. Rodda 1932-7-1 s.n. Modoc Near Macarthur [McArthur] Comment
  CAS-BOT-BC182081  Lupinus argenteus var. heteranthus Alice Eastwood; John Thomas Howell 1940-6-12 8060 Modoc Between Likely and Jess Valley Comment
  CAS-BOT-BC182100  Lupinus argenteus var. heteranthus Elmer Ivan Applegate 1929-6-25 5905 Modoc Willow Ranch, Goose Lake Valley. Comment
  CAS-BOT-BC182119  Lupinus argenteus var. heteranthus C. L. Hitchcock 1940-5-27 6653 Modoc 9 mi. NE of Alturas. 1402 Comment
  CHSC109455  Lupinus argenteus var. heteranthus B. Castro; L. P. Janeway 2012-7-24 1951 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
  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
  RSA0039533  Lupinus argenteus var. heteranthus Lowell A. Ahart, John Dittes 2012-7-10 18330 Modoc About 300 yards northeast of the old barn, on the sides of the mowed road. Ash Creek State Wildlife Area, about 3.9 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  UC748291  Lupinus argenteus var. heteranthus Annie M. Alexander and Louise Kellogg 1946-7-23 5052 Modoc on ne slope Emerson Peak; Warner Mountains, ne slope Emerson Peak Comment
  CAS-BOT-BC181891  Lupinus brevicaulis Bruce Bartholomew 1991-6-22 5843 Modoc E side of Surprise Valley, 9.6 km E of Eagleville at the Nevada border. 1520 Comment
  POM266088  Lupinus caudatus C. Leo Hitchcock 1940-5-27 6653 Modoc 9 miles northeast of Alturas. 1402 Comment
  RSA531329  Lupinus caudatus Bruce Bartholomew, B. Anderson 1990-7-20 5485 Modoc 10.3 km north of Buck Creek Ranger Station, crest of Warner Mountains west side of Warner Mountains. 2130 Comment
  HSC14855  Lupinus latifolius M. T. Milligan 1966-8-3 637 Modoc W slope of Eagle Peak 2439 Comment
  POM266050  Lupinus latifolius subsp. viridifolius C. Leo Hitchcock 1940-5-27 6664 Modoc 15 miles northeast of Alturas. 1616 Comment
  UC710973  Lupinus latifolius var. viridifolius C. L. Hitchcock 1940-5-27 6664 Modoc 15 mi ne Alturas (along creek); ne of Alturas 1615 Comment
  SEINET195682  Lupinus laxiflorus var. calcaratus Annie M. Alexander, Louise Kellogg 1946-7-17 5004 Modoc Near Benton Meadow, Warner Mountains. 2073 Comment
  CAS-BOT-BC181876  Lupinus lepidus var. lobbii Elmer Ivan Applegate 1932-8-1 8050 Modoc Near summit of Warren Peak, Warner Mts. 2895 Comment
  CAS-BOT-BC181863  Lupinus lepidus var. sellulus Bruce Bartholomew 1990-6-15 5235 Modoc SE corner of Sweagert Flat. 1860 Comment
  UCD35727  Lupinus lepidus var. sellulus Beecher Crampton 1960-6-17 5706 Modoc McKay flat, 13 miles west of Canby, 2.5 miles northeast of Happy Camp Station. 1280 Comment
  SJSU9655  Lupinus lepidus var. sellulus W. Savage 1979-7-8 1491 Modoc N end Fairchild Swamp Unit, Triangle, Devils Garden District, Modoc National Forest Comment
  NY747388  Lupinus leucophyllus var. belliae M. S. Baker 1893-6-20 s.n. Modoc Comment
  SEINET10491189  Lupinus leucophyllus var. leucophyllus Delzie Demaree 1959-8-15 Demaree 41468 Modoc Moist bottoms; modoc nat'l forest. Comment
  NY747431  Lupinus microcarpus B. M. Bartholomew 1989-6-2 4784 Modoc Long Canyon, 12 km northeast of Fort Bidwell on the road to the Oregon border 1550 Comment
  CAS-BOT-BC181835  Lupinus microcarpus var. microcarpus Bruce Bartholomew 1993-6-14 6664 Modoc 4 km E of County Road 114 on County Road 108, NW of Clear Lake Reservoir. 1400 Comment
  CAS-BOT-BC181838  Lupinus microcarpus var. microcarpus F. Angwin 1946-5-3 Modoc Big Valley, 2 mi. NW of Adin. 1280 Comment
  CAS-BOT-BC181846  Lupinus microcarpus var. microcarpus Edward Kent Balls 1950-5-18 14763 Modoc By Lower Rush Creek Public Camp. 1310 Comment
  HSC81086  Lupinus polyphyllus subsp. superbus G. M. Riegel 1979-8-24 685 Modoc South Warner Mtn. 2100 Comment
  NY747610  Lupinus polyphyllus var. saxosus R. C. Barneby 1982-5-25 17841 Modoc In west foothills of Warner Mountains, 9 miles northeast of Alturas 1550 Comment
  SEINET8061408  Lupinus polyphyllus var. saxosus G. Schoolcraft 1998-5-19 2709 Modoc 1.2 mi. east of Highway 395 on Highway 299, E. Alturas 1387 Comment
  HSC14935  Lupinus pusillus subsp. intermontanus M. T. Milligan 1964-6-6 11 Modoc N side of Dorris Reservoir along shore 1372 Comment
  CAS-BOT-BC181807  Lupinus saxosus Bruce Bartholomew; Mona Bourell 1990-4-27 5181 Modoc Vicinity of Lower Cummings Reservoir, 5 km NW of Hwy 299 on Crowder Flat Rd. 1540 Comment
  SEINET10486206  Lupinus saxosus David B. Dunn, Paul Gallian 1971-6-2 Dunn 17782 Modoc 9 mi sw of canby on state hwy. 299, In decomposed granite; in artemisia, very Moist season of year with melting patches of snow. Pinus ponderosa-juniper Association. 30-45 Degree slope. 1463 Comment
  JEPS67161  Luzula comosa var. laxa M. S. Baker and Frank Nutting 1894-6-15 Modoc Big Valley Mountains Comment
  POM215937  Lycium barbarum Louis C. Wheeler 1935-10-10 4033 Modoc Alturas. 1357 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
  NY850321  Lythrum tribracteatum H. L. Mason 1947-7-10 13324 Modoc Dorris Reservoir, 2 miles east of Alturas Comment
  CAS-BOT-BC49473  Madia citriodora Bruce Bartholomew 1991-7-6 5968 Modoc Service Gulch, 4.3 km W of County Road 91 on Forest Service road 42N03. 1330 Comment
  UC54067  Madia citriodora H. M. Hall and E. B. Babcock 1903-6-21 4248 Modoc lava beds of sw Modoc County; Sierra Nevada Mountains 1219 Comment
  CAS-BOT-BC342651  Madia citriodora David D. Keck; J. Clausen 1935-6-24 3714 Modoc 3 mi. northeast of Willow Ranch, east of Goose Lake 1550 Comment
  JEPS6013  Madia citriodora Frances D. Payne 1932-6-22 582 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  CAS-BOT-BC49432  Madia elegans Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-16 16526 Modoc 4.6 mi. N of Adin. Comment
  UCR57896  Madia elegans R. D. Goeden, Don W. Ricker 1989-8-24 30 Modoc Modoc National Forest, Bushey Road, west of Canby, near Pit River 1271 Comment
  UC33220  Madia elegans Milo S. Baker 1893-6-29 Modoc Comment
  RSA149123  Madia elegans subsp. vernalis I. L. Wiggins, Dorothy Wiggins 1961-6-16 16526 Modoc 4.6 miles north of Adin Comment
  RSA503052  Madia exigua Bruce Bartholomew, B. Anderson 1988-6-23 4225 Modoc 2.1 km SSE of Day on the road to State Highway 299. 1020 Comment
  CAS-BOT-BC49401  Madia glomerata Bruce Bartholomew 1989-8-10 5043 Modoc Little Hot Spring Valley, 3.9 km NW of Day. 1070 Comment
  CAS-BOT-BC49409  Madia glomerata Mrs. M. H. Manning 17 Aug 741 Modoc Joseph Creek. Comment
  CAS-BOT-BC49449  Madia glomerata Louis Cutter Wheeler 1935-8-27 3923 Modoc 1 mi. E of South Mountain, Devil's Garden. 1524 Comment
  CHSC115487  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 north-northwest of Road 48 (along the west edge of Goose Lake). 1759 Comment
  CHSC67346  Madia glomerata James D. Jokerst 1986-8-12 2765 Modoc Radar Site Survey S of Doublehead Mtn., vernal pool adjacent to unnamed road ca. 0.5 mi S of its jct. with the E-W road to Doublehead Mtn. Comment
  JEPS120510  Madia glomerata L. P. Janeway, B. Castro 2012-7-25 10983 Modoc Warner Mountains. Comment
  JEPS6001  Madia glomerata Frances D. Payne 1933-8-5 771 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  CAS-BOT-BC49377  Madia gracilis John Thomas Howell 1934-6-30 12268 Modoc Duncan Horse Camp. 1355 Comment
  CAS-BOT-BC49416  Madia gracilis Bruce Bartholomew 1989-7-14 4938 Modoc Along Rush Creek between Lower and Upper Rush Creek Campgrounds. 1580 Comment
  POM204105  Madia gracilis subsp. gracilis J. T. Howell 1934-6-12 12025 Modoc Warner Mountains: Plum Valley Comment
  NY500375  Mahonia repens B. M. Bartholomew 1989-8-12 5122 Modoc South Fork of Pine Creek where it crosses West Warner Road, west side of Warner Mountains 1900 Comment
  RSA603741  Mahonia repens L. C. Wheeler 1935-8-14 3838 Modoc Pine Creek. Warner Mtns. 2011 Comment
  CAS-BOT-BC242041  Maianthemum racemosum K. Paulson; Robert Paulson 1989-6-21 143 Modoc Pine Creek Basin, W side of the Warner Mts. 2109 Comment
  HSC1964  Maianthemum racemosum subsp. amplexicaule M. T. Milligan 1966-7-1 514 Modoc N end of Jess Valley. 1616 Comment
  CAS-BOT-BC242166  Maianthemum stellatum Francis Dorris Payne 1931-6-20 201 Modoc Parker Creek. Comment
  CAS-BOT-BC242167  Maianthemum stellatum E. S. Willits 1940-5-6 220 Modoc Lassen Creek, Willow Ranch. Comment
  CAS-BOT-BC242173  Maianthemum stellatum Verne Grant; I. Schneider 1947-7-22 8141 Modoc North Fork of Pit River on Hwy 395, ca. 1 mi. N of junction with Cedarville road. Comment
  UC803938  Marsilea oligospora G. L. Stebbins Jr. with P. Dansereau, C. McMillan, and K. Narayan 1949-8-7 4013 Modoc 35 mi s Tule Lake (Mud Lake) 1524 Comment
  RSA639345  Marsilea oligospora L. C. Wheeler 1935-9-18 3993 Modoc Everly Reservoir, Devil s Garden. 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
  CDA8328  Matricaria occidentalis T. C. Fuller 1963-7-15 10907 a Modoc North side of Highway 299, 1.0 mile west of road junction at Alturas. 0 Comment
  HSC1666  Melica bulbosa M. T. Milligan 1965-7-1 412 Modoc Plateau W of Jess Valley. 1829 Comment
  UC1191908  Mentha canadensis Herbert L. Mason 1947-8-12 13505 Modoc junction of North and South Forks of Pit River Alturas; jct of North and South Forks of Pit River Comment
  RSA520338  Mentzelia albicaulis Bruce Bartholomew, B. Anderson 1989-6-2 4822 Modoc At the SE corder of Upper Alkali Lake, E side of Surprise Valley. 1400 Comment
  CAS-BOT-BC179140  Mentzelia dispersa Alice Eastwood; John Thomas Howell 1940-6-12 8056 Modoc Between Likely and Jess Valley. Comment
  HSC15866  Mentzelia dispersa M. T. Milligan 1965-6-30 402 Modoc Slopes and ridges E of Jess Valley. 1768 Comment
  RSA504604  Mentzelia dispersa Bruce Bartholomew, B. Anderson 1988-6-23 4266 Modoc 1.8 km WSW of Day on County Road 94. 1170 Comment
  RSA518559  Mentzelia laevicaulis George K. Helmkamp 1990-9-23 H- 6 Modoc US Hwy 395, 13 mi. N of Likely. 1341 Comment
  UCD117344  Mentzelia laevicaulis Verne Grant; Irving Schneider 1947-7-22 8161 Modoc at headwaters of North Fork of Pit River, one mile northwest of Highway 395 on dirt road leading to south end of Goose Lake. Comment
  UCR64881  Mentzelia laevicaulis George K. Helmkamp 1990-9-23 H- 6 Modoc US Hwy 395, 13 mi north of Likely 1345 Comment
  RSA252485  Menyanthes trifoliata Robert F. Thorne, C. W. Tilforth 1969-9-5 39166 Modoc Modoc National Forest, Warner Mountains, Clear Lake. 1768 Comment
  CAS-BOT-BC54041  Mertensia ciliata Bruce Bartholomew; Barrett Anderson 1989-6-2 4794 Modoc Surprise Valley Road, just S of the Oregon border, extreme NE corner of Modoc County. 1630 Comment
  HSC3716  Mertensia ciliata var. stomatechoides M. T. Milligan 1965-6-30 396 Modoc Slopes and ridges E of Jess Valley 1768 Comment
  HSC80938  Mertensia ciliata var. stomatechoides G. M. Riegel 1980-7-30 973 Modoc S Warner Mtns. 2100 Comment
  RSA149068  Mertensia ciliata var. stomatechoides I. L. Wiggins, Dorothy Wiggins 1961-6-14 16479 Modoc Along Lassen Creek along road to Davis Creek, Warner Mountains. Comment
  UCR165707  Mertensia cusickii David A. Charlet 1989-8-16 542 Modoc Warner Mountains. 11 km NW of Eagle Peak, Rock Spring 2015 Comment
  CAS-BOT-BC54001  Mertensia longiflora Francis Dorris Payne 1932-5-27 408 Modoc Parker Creek. 1584 Comment
  HSC28522  Mertensia oblongifolia D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-22 19323 Modoc Soup Springs Campground Comment
  NY1084276  Mertensia oblongifolia B. M. Bartholomew 1992-5-15 6300 Modoc Tamarack Flat, east side of the Warner Mountains 2160 Comment
  CAS-BOT-BC54012  Mertensia oblongifolia var. amoena Betty J. Hammerly 1941-6-20 30 Modoc Clear Lake. 1767 Comment
  HSC3706  Mertensia oblongifolia var. amoena M. T. Milligan 1965-7-10 423 Modoc W slope of Eagle Peak 2439 Comment
  CAS-BOT-BC54016  Mertensia oblongifolia var. nevadensis Mrs. H. C. Cantelow 1940-6-1 s.n. Modoc Cedar Pass. Comment
  CAS-BOT-BC54025  Mertensia oblongifolia var. oblongifolia Bruce Bartholomew 1992-5-15 6300 Modoc Tamarack Flat, E side of the Warner Mountains. 2160 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-BC225955  Micranthes nidifica Bruce Bartholomew 1990-6-15 5249 Modoc Manzanita Mountain in ca. 0.2 km S of turn off to Manzanita Lookout 2040 Comment
  CAS-BOT-BC225958  Micranthes nidifica Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-11 6509 Modoc Ca. 3 km S of Oregon border on Forest Service Rte. 7. 1720 Comment
  CAS-BOT-BC429024  Micranthes nidifica Ira L. Wiggins; Dorothy B. Wiggins 1961-6-12 16423 Modoc Near summit of Cedar Pass, between Alturas & Cedarville 1935 Comment
  CAS-BOT-BC225970  Micranthes oregana Bruce Bartholomew 1995-7-31 7118 Modoc Upper reaches of Sassen Creek, W side of the Warner Mountains. 1900 Comment
  CAS-BOT-BC49392  Microseris laciniata subsp. laciniata Leland S. Smith 1924-6-8 1382 Modoc Egg Lake near SW corner in meadow. 1341 Comment
  CAS-BOT-BC49356  Microseris nutans Annie Montague Alexander; L. Kellogg 1946-7-17 5003 Modoc Benton Meadow, Warner Mountains 2072 Comment
  CAS-BOT-BC49363  Microseris nutans John Thomas Howell 1934-6-13 12057 Modoc Fandango Pass. 1828 Comment
  JEPS6026  Microseris nutans Frances D. Payne 1932-6-22 573 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  CAS-BOT-BC197913  Microsteris gracilis Annie Montague Alexander; L. Kellogg 1946-6-12 4729 Modoc Fort Bidwell. 1444 Comment
  HSC80883  Microsteris gracilis G. M. Riegel 1980-7-28 954 Modoc S Warner Mtns. 2100 Comment
  POM204117  Microsteris gracilis subsp. gracilis J. T. Howell 1934-6-12 12023 Modoc Warner Mountains: Plum Valley Comment
  RSA152448  Microsteris gracilis subsp. gracilis I. L. Wiggins, Dorothy Wiggins 1961-6-13 16452 Modoc Wet meadow at southern outskirts of Fort Bidwell Comment
  UC103785  Mimulus angustatus Mrs. R. M. Austin 1900-1-1 Modoc Comment
  UC1736359  Mimulus breviflorus Dean W. Taylor 1987-6-24 9055 Modoc Egg Lake, along the inlet stream in the extreme SE porton of the lakebed (a large marsh and meadow complex) 1280 Comment
  UC1025085  Mimulus breweri Leo Whitney 1935-5-18 3087 Modoc ca. 15 mi nw Canby; Modoc National Forest, Lake Joaquina, Hackamore 1463 Comment
  UC69690  Mimulus breweri Mrs. M. H. Manning 1903-8-21 315 Modoc Mt. Bidwell 1981 Comment
  CDA41443  Mimulus cusickii S. E. Schoenig 1998-7-4 98 -67 Modoc On north side of Granger Canyon Road, 1.5 miles west of the intersection with Surprise Valley Road. This intersection is 3.7 miles south of Highway 299 at Cedarville. Comment
  CHSC115532  Mimulus guttatus Lowell Ahart; John Dittes 2015-7-16 20363 Modoc North edge of Ash Creek (destroyed), southeast of the gravel pit (destoryed), about 1/8 mile east of the parking area on the east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Beiber, Big Valley. 1267 Comment
  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
  RSA185361C  Mimulus guttatus Clare B. Hardham 1961-6-17 7514 Modoc Cedar Pass Camp Ground, Warner Mountains. 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
  UCSB6085  Mimulus lewisii Haller, John 1959-8-1 Modoc 0.2 miles west of Cave Lake junction; on road between New Pine Creek and Fort Bidwell; Warner Mtns 2133 Comment
  UC76061  Mimulus moschatus Milo S. Baker July, 1898 545 Modoc Forestdale Comment
  UC445163  Mimulus nanus var. jepsonii Franklin P. Nutting 1893-6-8 Modoc near Egg Lake Comment
  JEPS15588  Mimulus nanus var. nanus Frances D. Payne 1931-6-29 760 Modoc ridge s Granger Pass (pass at head of Granger Creek); Warner Mountains 1981 Comment
  POM43834  Mimulus nanus var. nanus R. M. Austin 515 Modoc Alturas. 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
  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
  CAS-BOT-BC95216  Minuartia nuttallii Annie Montague Alexander; L. Kellogg 1946-7-30 5093 Modoc Eagle Peak, Warner Mts. Comment
  CAS-BOT-BC225802  Mitella pentandra Elmer Ivan Applegate 1932-7-7 8240 Modoc Lily Lake, Bidwell Pass, Warner Mts. Comment
  HSC81096  Monardella glauca G. M. Riegel 1980-8-13 1049 Modoc South Warner Mtns. 1670 Comment
  CAS-BOT-BC179370  Monardella odoratissima subsp. glauca Annie Montague Alexander; L. Kellogg 1946-7-23 5060 Modoc E slope of Emerson Peak. Comment
  CAS-BOT-BC179855  Monardella odoratissima subsp. glauca Barrett Anderson 1986-7-9 3157 Modoc Hwy 299 just W of Cedar Pass. 1920 Comment
  CAS-BOT-BC179858  Monardella odoratissima subsp. glauca Robert Patterson; Mona Bourell 1993-8-15 5249 Modoc Warner Mountains. Along trail from Patterson Lake to ca. 2 mi north towards Pepperdine Trailhead. 2743 Comment
  CHSC32917  Monardella odoratissima subsp. glauca J. P. Smith; J. O. Sawyer 1973-8-8 7238 Modoc South slopes of Eagle Peak. 2743 Comment
  UC634864  Monardella odoratissima subsp. glauca F. H. Frost 1925-7-20 86 Modoc Cedar Camp Warner Mts. Comment
  UC705933  Monardella odoratissima subsp. glauca Marion Ownbey, Fred G. Meyer 1940-7-1 2150 Modoc Cedar Peak Warner Mts. Comment
  CAS-BOT-BC179854  Monardella odoratissima subsp. glauca Clare Butterworth Hardham 1972-7-14 18656 Modoc Warner Mountains. 2590 Comment
  CHSC67816  Monardella odoratissima subsp. odoratissima James D. Jokerst 1990-8-1 3206 Modoc Lava Beds National Monument, summit and upper W-facing slope of Caldwell Minor near E edge of monument boundary. 1402 Comment
  CAS-BOT-BC95544  Monolepis nuttalliana Elmer Ivan Applegate 1897-5-7 845 Modoc Clear Lake. Comment
  CAS-BOT-BC95547  Monolepis nuttalliana Bruce Bartholomew 1991-6-22 5859 Modoc Near N side of Big Mud Lake at the Nevada State boundary. 1680 Comment
  CAS-BOT-BC197481  Montia chamissoi Bruce Bartholomew 1991-7-4 5911 Modoc Roney Flat. 1460 Comment
  CAS-BOT-BC197521  Montia chamissoi Mrs. H. C. Cantelow 1941-5-23 s.n. Modoc 2 mi. W of Adin Summit, U.S. Hy. 299, E of Bieber. Comment
  HSC17743  Montia chamissoi M. T. Milligan 1964-7-25 178 Modoc Pine Creek Basin, along trail. 2439 Comment
  JEPS17208  Montia chamissoi Frances D. Payne 1932-6-27 616 Modoc s and e of Alturas (Parker Creek); Warner Mountains, Parker Creek 1584 Comment
  POM101941  Montia chamissoi Mrs. R. M. Austin 1895-07 470 Modoc Goose Lake Valley. Comment
  CAS-BOT-BC197513  Montia fontana Bruce Bartholomew 1992-5-15 6297 Modoc N end of Surprise Valley, S of Cow Head Lake. 1600 Comment
  RSA65656  Montia fontana F. W. Peirson 1926-6-25 6889 Modoc 1 mile east of summit of Cedarville Road, Warner Mountains Comment
  CAS-BOT-BC197502  Montia linearis Bruce Bartholomew 1991-6-21 5816 Modoc N side of Mud Lake, 5.8 km S of Forest Service road 73 on road to Rim Rock Valley. 1570 Comment
  CAS-BOT-BC247571  Muhlenbergia asperifolia Herbert Louis Mason 1947-8-15 13542 Modoc Mouth of Crane Creek on Willow Ranch. Comment
  CDA32537  Muhlenbergia asperifolia T. C. Fuller 1962-8-3 9493 Modoc Hwy 139 to Tulelake, 0.25 mile northwest of Stronghold 0 Comment
  UCD86552  Muhlenbergia asperifolia Herbert L. Mason 1947-8-15 13542 Modoc Mouth of Crane Creek on Willow Ranch, east side of Goose Lake. Comment
Read comments
Aug 21 2013
  UC1137050  Muhlenbergia filiformis August L. Hormay 1932-7-15 Modoc Crowder Ranger Station Comment
  UC60839  Muhlenbergia filiformis M. S. Baker and Frank Nutting 1894-8-25 Modoc meadow near Forestdale 1371 Comment
  UCD86774  Muhlenbergia jonesii Leo Whitney 1935-8-15 3622 Modoc U.S.B.E. - R. S. -6. Comment
  CAS-BOT-BC247562  Muhlenbergia richardsonis James Vale; et al 1981-5-21 4134 Modoc From Devils Garden on Crowder Flat Road near Alturas. Comment
  HSC100176  Munroa squarrosa J. P. Smith 2011-8-7 13357 Modoc Along Jesse Valley Road, E of Likely, just E of the bridge over the Pit River. 1372 Comment
  CAS-BOT-BC58782  Myosotis micrantha Bruce Bartholomew; Barrett Anderson 1989-6-1 4748 Modoc ca. 0.5 km W of Davis Creek on road to S end of Goose Lake. 1460 Comment
  UC1776653  Myosotis micrantha G. S. Bartholomew 1998-6-4 2726 Modoc W side of Hwy 395 1 mi S of Davis Creek. 1463 Comment
  JEPS20005  Myosurus apetalus M. H. Manning May, 1903 119 Modoc Ft. Bidwell Comment
  SD225888  Myosurus apetalus Carol Witham, Jennifer Buck and Vernal Pool Team 2001 2001-5-10 202 Modoc 5 mi. NE along Hwy 139 from its intersection with Hwy 299, south of hwy 139, Canby site, pool # CAN001 Comment
  OBI48062  Myosurus apetalus var. borealis Rhonda Riggins 1989-4-28 1671 Modoc 6.9 mi N of hwy 395 E of Alturas on rd to Raker and Thomas Reservoir (continuation of Pencil Rd) 1524 Comment
  POM319215  Myosurus aristatus Patricia Wilder 1971-6-20 5071 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
  CDA37314  Myriophyllum sibiricum B. Villegas 2008-7-24 s.n. Modoc Alturas; Modoc National Wildlife Refuge; Dorris Canal. 0 Comment
  UC1536811  Myriophyllum sibiricum Gordon H. True Jr 1939-7-21 1021 Modoc Jack Swamp, N of Canby. Comment
  CAS-BOT-BC198012  Navarretia breweri Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-15 16518 Modoc Mesa 11 mi. W of Canby along Highway 139. Comment
  RSA165590B  Navarretia breweri Clare B. Hardham 1961-6-19 7840 Modoc Willow Creek. Warner Mountains. Comment
  UC705723  Navarretia breweri Marion Ownbey, Fred G. Meyer 1940-7-1 2146 Modoc w slope Cedar Peak; Warner Mts. Comment
  CHSC109885  Navarretia capillaris B. Castro; L. P. Janeway 2012-7-25 1958 Modoc Warner Mountains. Slope along N side of Dismal Swamp, along sides of rough gravel road going N out of swamp, just above more mesic sites dominated by Artemisia cana. 2218 Comment
  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-BC197993  Navarretia intertexta subsp. intertexta Bruce Bartholomew; Barrett Anderson 1988-6-23 4232 Modoc 2.1 km SSE of Day on the road to State Highway 299. 1020 Comment
  CAS-BOT-BC197989  Navarretia intertexta subsp. propinqua Annie Montague Alexander; L. Kellogg 1946-7-7 4932 Modoc Eight Mile Creek, NE corner of county. 1752 Comment
  UC1106906  Navarretia intertexta subsp. propinqua Herbert L. Mason 1946-7-13 13449 Modoc w end Fandango Pass (near Goose Lake, on road to Fort Bidwell) Comment
  UC133669  Navarretia intertexta subsp. propinqua Milo S. Baker 1899-8-24 Modoc Forestdale Comment
  CAS-BOT-BC197972  Navarretia leucocephala subsp. leucocephala Bruce Bartholomew 1991-6-23 5882 Modoc 7.4 km NE of Crowder Flat Road on road between Dorris Brothers Reservoir and Cow Head Tank. 1520 Comment
  CAS-BOT-BC197961  Navarretia leucocephala subsp. minima M. Vasey 1990-6-30 9041 Modoc Near Curtiss Waterhole, NW of Egg Lake. 1300 Comment
  SJSU9533  Navarretia leucocephala subsp. minima W. Savage 1979-6-20 1270 Modoc S margin of Bottle Cr Reservoir, Triangle, Devils Garden District, Modoc National Forest 1493 Comment
  UC629104  Navarretia sinistra Louis C. Wheeler 1935-8-13 3833 Modoc Barnes Creek Warner Mts., Barnes Creek 1828 Comment
  CAS-BOT-BC7186  Nemophila austiniae R. M. Austin 1885-6-1 s.n. Modoc Davis Creek Comment
  CAS-BOT-BC179300  Nemophila parviflora var. austiniae Bruce Bartholomew 1994-7-2 6811 Modoc E of Bald Mtn. on E side of the Warner Mountains. 2230 Comment
  RSA534606  Nemophila parviflora var. austiniae Bruce Bartholomew 1991-5-23 5689 Modoc 0.5 km east of Day on County Road 94. 1050 Comment
  CAS-BOT-BC179290  Nemophila pedunculata Roxana Stinchfield Ferris; R. Duthie 1919-6-13 40 Modoc By Parker Creek. Comment
  UC1021925  Nemophila pedunculata Rolf Y. Berg 1955-6-22 Modoc w Cedarville (Cedar Pass Campground); Modoc National Forest, w of Cedarville Comment
  POM249004  Nemophila pedunculata Lincoln Constance 1938-6-12 2337 Modoc Margin of Rush Creek, 8 miles northeast of Adin. 1524 Comment
  POM73900  Nemophila pedunculata Mrs. R. M. Austin 1895-06 540 Modoc Goose Lake Valley. Comment
  UC24291  Nemophila pedunculata Milo S. Baker 1893-6-18 Modoc Comment
  UC67084  Nemophila pedunculata Mrs. M. H. Manning 1903-8 Modoc Warner Range 1828 Comment
  SD53082  Nestotus stenophyllus Peter H. Raven 1962-5-29 17895 Modoc 14 miles northwest of Canby. Comment
  UC86616  Nestotus stenophyllus Mrs. R. M. Austin May, 1894 31 Modoc Goose Lake Valley Comment
  JEPS114499  Nicotiana attenuata Lowell Ahart, John Dittes 2008-8-25 15319 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
  HSC26500  Nothocalais troximoides J. P. Smith, J. O. Sawyer 1972-5-6 5252 Modoc County Rd. 86, just E of Adin. 1098 Comment
  CAS-BOT-BC497315  Oenothera Fred P. Cronemiller, Jr. 1920-6-14 23 Modoc Bieber Range 1341 Comment
  CAS-BOT-BC190810  Oenothera deltoides subsp. piperi Bruce Bartholomew 1990-6-17 5314 Modoc Surprise Valley, 6.8 km W of Eagleville. 1390 Comment
  POM38616  Oenothera deltoides subsp. piperi R. M. Austin 1897-8-26 1641 Modoc Lost River Comment
  NY998650  Oenothera deltoides var. piperi B. M. Bartholomew 1989-6-2 4836 Modoc 6.4 km east of Eagleville on the road to the California state border, east side of Surprise Valley 1550 Comment
  UC20417  Oenothera elata subsp. hirsutissima Mrs. R. M. Austin Jul 1898 163 Modoc Goose Lake Comment
  UC635387  Oenothera elata subsp. hirsutissima F. H. Frost 1925-7-24 111 Modoc Jess Valley Warner Mountains Comment
  JEPS118470  Oenothera flava Lowell Ahart, John Dittes 2011-6-21 17515 Modoc About 200 yards west of the fence, south edge of the meadow, Ash Creek State Wildlife Area, about 2,000 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley 1267 Comment
  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
  CAS-BOT-BC245091  Olsynium douglasii var. douglasii Bruce Bartholomew; M; M. Gilbert; L. E. Skog 1993-5-10 6430 Modoc 5 km NE of Davis Creek on road to Plum Valley Campground. 1700 Comment
  CAS-BOT-BC49374  Onopordum acanthium subsp. acanthium Thomas C. Fuller 1959-7-8 2795 Modoc Alturas. Comment
  JEPS26036  Onopordum acanthium subsp. acanthium T. C. Fuller 1959-7-8 2795 Modoc Alturas; S/4th St., E/East St. Comment
  UC748366  Oreostemma alpigenum var. andersonii Annie M. Alexander and Louise Kellogg 1946-8-9 5131 Modoc Patterson Lake Trail Warner Mountains Comment
  HSC80904  Orobanche corymbosa G. M. Riegel 1980-7-14 882 Modoc S Warner Mtns. 1829 Comment
  CAS-BOT-BC190791  Orobanche fasciculata Bruce Bartholomew 1990-6-18 5377 Modoc Crowder Flat Rd, 0.3 km N of turn off to Big Sage Reservoir. 1480 Comment
  CHSC67570  Orobanche fasciculata James D. Jokerst 1983-5-31 1811 Modoc Near Hwy. 395 S of Alturas at the base of the upper ramparts of the butte just S of Signal Butte. 1341 Comment
  JEPS5998  Orobanche uniflora subsp. occidentalis Frances D. Payne 1932-6-10 422 Modoc Parker Creek, Warner Mountains, south and east of Alturas. Comment
  RSA0070489  Orobanche uniflora subsp. occidentalis E. K. Balls 1950-5-12 14649 Modoc Hillsides north of Bucks Creek Ranger Station, Modoc National Forest; E of Goose Lake. 1737 Comment
  UC105960  Orthilia secunda Mrs. R. M. Austin 1894-1 146 Modoc Lassen Creek Comment
  CAS-BOT-BC232177  Orthocarpus cuspidatus subsp. copelandii Elmer Ivan Applegate 1932-8-1 7994 Modoc Arid ridge N of Mill Creek Meadow. Comment
  RSA80247  Orthocarpus cuspidatus subsp. copelandii F. W. Peirson 1926-6-25 6871 Modoc Summit of grade, Cedarville Pass, Warner Mountains. Comment
  CHSC70481  Orthocarpus cuspidatus subsp. cryptanthus A. Sanger 1996-7-12 2409 Modoc S of Paynes Peak, in bench below tower. 2182 Comment
  HSC80741  Orthocarpus cuspidatus subsp. cryptanthus G. M. Riegel 1980-6-30 781 Modoc S Warner Mtns. 1739 Comment
  CAS-BOT-BC15735  Osmorhiza chilensis John Thomas Howell 1934-6-11 11970 Modoc Parker Creek. 1584 Comment
  CAS-BOT-BC15740  Osmorhiza chilensis Barrett Anderson 1986-7-9 3166 Modoc Stough Reservoir Rd just E of Cedar Pass near Stough Reservoir. 1965 Comment
  NY1101674  Osmorhiza chilensis L. Constance 1946-7-4 3103 Modoc Deep Creek 3.4 miles below summit, Warner Mountains 1829 Comment
  CAS-BOT-BC15744  Osmorhiza depauperata John Thomas Howell 1934-6-12 12028 Modoc Plum Valley. Comment
  JEPS5968  Osmorhiza depauperata Frances D. Payne 1929-6-24 21 Modoc s and e Alturas (above Fitzhugh Springs, Pine Creek, Warner Mountains); Warner Mountains, Pine Creek 1828 Comment
  CAS-BOT-BC15704  Osmorhiza occidentalis Annie Montague Alexander; L. Kellogg 1946-6-30 4875 Modoc Highgrade, W side of ridge. 2377 Comment
  CAS-BOT-BC15747  Osmorhiza occidentalis Elmer Ivan Applegate 1932-8-2 8078 Modoc Mill Creek Meadow, W slope of Warner Mts. Comment
  UC1087226  Osmorhiza occidentalis Peter H. Raven and Otto T. Solbrig 1958-6-18 13315 Modoc Happy Camp Guard Station Comment
  CAS-BOT-BC218101  Oxyria digyna Bruce Bartholomew 1991-8-5 6039 Modoc Squaw Peak Trail on N side of Squaw Peak, E side of Warner Mts. 2420 Comment
  CAS-BOT-BC50308  Packera cana Leland S. Smith 1919-6-5 1118 Modoc Deep Creek near station. 1584 Comment
  CHSC109210  Packera cana L. P. Janeway; B. Castro 2012-7-24 10966 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
  JEPS5947  Packera cana Frances D. Payne 1931-6-11 151 Modoc s and e of Alturas; Warner Mountains, Parker Creek 1584 Comment
  UC726437  Packera eurycephala var. eurycephala A. A. Heller 1941-6-25 16202 Modoc 1.0 mi or more from (w side) foot of Cedar Pass grade (on the Cedarville road) Comment
  CAS-BOT-BC190776  Paeonia brownii Bruce Bartholomew 1992-5-16 6333 Modoc NW side of Sweagert Flat. 1850 Comment
  POM260872  Paeonia brownii Alice Eastwood, John T. Howell 1940-6-13 8117 Modoc Surprise Comment
  UC9352  Paeonia brownii Mrs. R. M. Austin and Bruce June 1898 2227 Modoc Lake City Mt. Comment
  JEPS60650  Paeonia brownii Frances D. Payne 1931-6-21 214 Modoc ridge sw Dry Creek (s and e of Alturas, creek is tributary of Parker Creek); Warner Mountains 1981 Comment
  RSA0013799  Paeonia brownii Joan Stewart 2005-6-6 2485 Modoc Stowe Reservoir, Warner Mountains. Comment
  RSA99680  Paeonia brownii W. A. Weber 1953-5-14 8372 Modoc West end of Jess Valley 10 miles east of Likely 1433 Comment
  JEPS70586  Panicum capillare Leland S. Smith 1918-9-20 1061 Modoc Surprise Valley , Modoc National Forest 1371 Comment
  UCD32703  Pascopyrum smithii Beecher Crampton 1954-7-7 2123 Modoc Modoc County, Alturas, vacant lot adjacent to Lederer Building. Comment
  SD58433  Paxistima myrsinites L. S. Smith 1922-5-28 Modoc Happy Camp Mountain below ridge. 1675 Comment
  CAS-BOT-BC498684  Pectocarya penicillata F. D. Douthitt 1916-5-17 28 Modoc Modoc Forest: Flornoy Swale 1828 Comment
  CAS-BOT-BC232311  Pedicularis attollens Roxana Stinchfield Ferris; R. Duthie 1919-6-14 146 Modoc Parker Creek at Modoc Nat. Forest Boundary. Comment
  SJSU11602  Pedicularis attollens R. L. Fisher 1958-6-15 Modoc 7 mi E of Alturas Comment
  CHSC12158  Pedicularis densiflora J. Grove 1973-4-28 85 Modoc Collected at Whiley Ranch, 10 mi. nw of Day. 1005 Comment
  CAS-BOT-BC232306  Pedicularis groenlandica subsp. surrecta Bruce Bartholomew; Barrett Anderson 1988-6-24 4341 Modoc Cave Lake, W side of the Warner Mts.. 2130 Comment
  CAS-BOT-BC232307  Pedicularis groenlandica subsp. surrecta K. Paulson; Robert Paulson 1989-7-14 183 Modoc Vicinity of Cave Lake, N end of the Warner Mts. 1987 Comment
  RSA520443  Pellaea breweri Bruce Bartholomew 1990-6-16 5269 Modoc Rock outcrops between roadhead and Pine Creek Basin, west side of Warner Mountains 2160 Comment
  CAS-BOT-BC232338  Penstemon davidsonii var. davidsonii Elmer Ivan Applegate 1932-7-9 7618 Modoc Mt. Bidwell. Comment
  CAS-BOT-BC232346  Penstemon davidsonii var. davidsonii Annie Montague Alexander; L. Kellogg 1946-7-1 4890 Modoc 0.5 mi. E of summit Bidwell Creek road. Comment
  RSA647534  Penstemon deustus Marion P. Harthill 1971-6-23 372 Modoc Fort Bidwell. Comment
  RSA11919  Penstemon deustus subsp. heterander Elmer I. Applegate 1932-8-6 8215 Modoc Rocky summit of Yellow Mtn, Bidwell Pass, Warner Mtns. Comment
  NY591800  Penstemon deustus var. pedicellatus R. M. Austin 07 1898 2363 Modoc Ross Canyon Comment
  CAS-BOT-BC232334  Penstemon deustus var. pedicellatus C. C. (Mrs.) Bruce 1899-1-1 2206 Modoc Mt. Comment
  CAS-BOT-BC232335  Penstemon deustus var. pedicellatus Milo Samuel Baker 1893-7-24 s.n. Modoc Lava beds on shore of Lake. Comment
  CAS-BOT-BC245532  Penstemon gracilentus Robert Patterson; Mona Bourell 1993-8-14 5223 Modoc Patterson Lake. South Warner Wilderness Area. Warner Mountains. 2743 Comment
  CAS-BOT-BC245540  Penstemon gracilentus Leland S. Smith 1918-6-22 951 Modoc Lily Lake. 2042 Comment
  HSC12276  Penstemon gracilentus R. W. Spjut 1970-7-22 889 Modoc N Warner Mtns., 10 mi. from Lake City, road to Plum Valley Campground 2195 Comment
  CHSC12956  Penstemon heterodoxus var. shastensis K. R. Stern; D. B. Joley, J. G. Geschke 1974-6-22 5820 Modoc W side of Egg Lake. 1295 Comment
  CAS-BOT-BC245519  Penstemon janishiae M. J. Williams; T. Holmcomb; B. Holcomb; L. Saxton 1988-5-28 88- 24 -2 Modoc Grade up to Crowder Flat from Hwy 229, W of Alturas. Top of steep bank by road. 1478 Comment
  UCR80223  Penstemon janishiae Christopher Davidson 1973-5-26 2137 Modoc ST Hwy 299, c. 4 mi west of Canby 1524 Comment
Read comments
Jun 12 2009
  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
  SBBG7136  Penstemon laetus H. and M. Dearing 1939-6-7 3574 Modoc near Adin Comment
  CAS-BOT-BC232505  Penstemon roezlii M. M. Hanna 1956-6-7 s.n. Modoc Hwy 139 between Canby and Tienesta. Comment
  CAS-BOT-BC232508  Penstemon roezlii C. L. Hitchcock 1940-5-28 6719 Modoc 15 mi. N of Alturas (near Surprise). 1402 Comment
  POM203064B  Penstemon roezlii J. T. Howell 1934-6-30 12269 Modoc Duncan Horse Camp. Comment
  POM260364  Penstemon roezlii C. Leo Hitchcock 1940-5-28 6719 Modoc 15 miles north of Alturas, (near Surprise). 1402 Comment
  SEINET188383  Penstemon roezlii C. L. Hitchcock 1940-5-27 6651 Modoc 9 mi NE of Alturas 1402 Comment
  SFV3436  Penstemon roezlii I. L. Wiggins, D. B. Wiggins 1961-6-12 16369 Modoc Warner Mountains Gentle, grassy slope at junction of Cedar Pass Road with California Highway 299. 5.5 miles north of Alturas. 1370 Comment
  UC71744  Penstemon roezlii Mrs. M. H. Manning June 1903 176 Modoc Mt. Bidwell Mt. Bidwell (ne Modoc County) Comment
  JEPS15476  Penstemon roezlii Joseph and Hilda W. Grinnell 1938-6-16 1108 a Modoc Cedar Pass summit Warner Mountains, Cedar Pass summit 1935 Comment
  NY650111  Penstemon roezlii B. M. Bartholomew 1988-6-25 4392 Modoc 5.6 km northwest of State Highway 299 on County Road 73. Big Sage Reservoir 15' Quad. 1500 Comment
  POM44789  Penstemon roezlii R. M. Austin 1895-07 579 Modoc Goose Lake Valley. Comment
  SEINET194804  Penstemon roezlii A. A. Heller 1941-6-25 16200 Modoc Plain W of the ascent to Cedar Pass Comment
  SEINET5329604 Image available Penstemon roezlii M. J. Williams 1988-5-30 88- 26 -7 Modoc Jess Valley, E of Likely, S of roadside rest 1524 Comment
  CAS-BOT-BC245491  Penstemon rydbergii var. oreocharis Elmer Ivan Applegate 1932-7-9 7595 Modoc N side of Bidwell Mountain. Comment
  CAS-BOT-BC245500  Penstemon rydbergii var. oreocharis K. Paulson; Robert Paulson 1989-7-4 171 Modoc Ca. 1 mi. S of Patterson Ranger Station, S end of Warner Mts. 2121 Comment
  HSC21044  Penstemon rydbergii var. oreocharis M. T. Milligan 1964-6-25 84 Modoc Upper Lassen Creek 1829 Comment
  NY651334  Penstemon rydbergii var. oreocharis D. D. Keck 1935-6-24 3722 Modoc 1.5 miles north of Davis Creek 1525 Comment
  RSA401855  Penstemon rydbergii var. oreocharis G. Willett 1935-6-14 s.n. Modoc 4 mi E of Likely. 1524 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
  CAS-BOT-BC245555  Penstemon speciosus David Daniels Keck; Jens Chr. Clausen 1935-6-24 3724 Modoc 9 mi. N of Alturas. 1524 Comment
  CAS-BOT-BC245558  Penstemon speciosus Elmer Ivan Applegate 1932-7-9 7607 Modoc N slope of Bidwell Mountain. 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
  JEPS45606  Peraphyllum ramosissimum Mrs. M. H. Manning 1923-8-1 Modoc Likely Comment
  JEPS90471  Peraphyllum ramosissimum Dean Wm. Taylor with Glenn L. Clifton 1992-5-7 12535 Modoc ca. 7 mi. w. Alturas (Hwy. 299 at Milepost 25.5, on hillside 0.3 mi. n. of hwy.); Modoc Plateau Comment
  RSA31944  Peraphyllum ramosissimum A. A. Heller 1938-6-24 15228 Modoc elevated flat in clay soil about midway between Canby and Alturas. Comment
  UC1191506  Peraphyllum ramosissimum Malcolm A. Nobs and S. Galen Smith 1949-5-29 766 Modoc e of Kelley Hot Springs Comment
  UC1281112  Peraphyllum ramosissimum H. E. McMinn 1941-8-30 5408 Modoc 13 mi s Alturas Comment
  CAS-BOT-BC15707  Perideridia bolanderi subsp. bolanderi Bruce Bartholomew; Barrett Anderson 1988-6-23 4255 Modoc 4.2 km NW of Day. 1020 Comment
  NY1102247  Perideridia bolanderi subsp. bolanderi L. C. Wheeler 1935-8-16 3881 Modoc Dismal Swamp, Twenty Mile Creek, Warner Mountains 2225 Comment
  CHSC39005  Perideridia kelloggii J. D. Jokerst 1983-7-18 1857 Modoc North of Miles Flat west of and adjacent to Road 5500 at its jct. with the center of section. Comment
  CAS-BOT-BC218153  Persicaria maculosa Bruce Bartholomew 1994-10-8 6878 Modoc 1.8 km S of Lookout - Adin Road on County Road 87A. 1260 Comment
  CAS-BOT-BC179279  Phacelia adenophora Francis Dorris Payne 1932-6-19 549 Modoc Along road in canyon below Jess Valley. Comment
  JEPS1607  Phacelia adenophora J. G. Lemmon June, 1879 Modoc Surprise Valley and Pyramid Lake Comment
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May 4 2015
  CAS-BOT-BC179264  Phacelia hastata subsp. hastata Bruce Bartholomew; Barrett Anderson 1988-7-21 4451 Modoc Vicinity of Patterson Campground, southern end of the Warner Mts. 2190 Comment
  CAS-BOT-BC180003  Phacelia heterophylla subsp. virgata Annie Montague Alexander; L. Kellogg 1946-6-10 4721 Modoc Lava bench between Lower and Snake Lakes, slope facing Lower Lake. Comment
  CAS-BOT-BC180012  Phacelia heterophylla subsp. virgata M. M. Hanna 1956-6-5 Modoc Cedar Pass. Comment
  JEPS4037  Phacelia heterophylla subsp. virgata Frances D. Payne 1931-7-5 324 Modoc about 3 mi n Parker Creek (s and e of Alturas); Warner Mountains, Fern Spring 1828 Comment
  UC1051773  Phacelia heterophylla subsp. virgata L. R. Heckard 1952-6-19 312 Modoc just below summit of Fandango Pass (sw of Fort Bidwell); Warner Mountains 1828 Comment
  CHSC31501  Phacelia humilis NEH Prouty 1980-7-1 195 Modoc Modoc Natl. Forest, Warner Mt. District. Opening south of Soup Spring's Campground in forest of Pinus ponderosa and Abies concolor. 2072 Comment
  JEPS2124  Phacelia humilis L. S. Smith 1918-7-11 984 Modoc Mill Creek Meadows Modoc <National> Forest 2087 Comment
  JEPS79140  Phacelia humilis L. R. Heckard with R. Bacigalupi 1980-6-11 5242 Modoc about 10 mi ne Alturas; Cedar Pass Campground (US Forest Service) 1889 Comment
  UC133086  Phacelia humilis Mrs. R. M. Austin July 1885 Modoc hills Comment
  CAS-BOT-BC179972  Phacelia humilis var. humilis M. M. Hanna 1956-6-5 s.n. Modoc Cedar Pass Camp ground. 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
  RSA155795  Phacelia humilis var. humilis Peter H. Raven 1962-5-29 17890 Modoc 0.8 mile west of Cedar Pass, Warner Mountains. 1860 Comment
  RSA531355  Phacelia humilis var. humilis Bruce Bartholomew, B. Anderson 1989-6-2 4839 Modoc Vicinity of Stough Reservoir, Warner Mtns. 1950 Comment
  CAS-BOT-BC179956  Phacelia linearis Leland S. Smith 1103 Modoc Deep Creek, W of Cedarville. 1828 Comment
  CAS-BOT-BC179957  Phacelia linearis Bruce Bartholomew; Barrett Anderson 1989-6-2 4779 Modoc Top of Fandango pass, Warner Mountains. 1870 Comment
  CAS-BOT-BC179961  Phacelia linearis Bruce Bartholomew; Barrett Anderson 1989-6-3 4853 Modoc Timber Mountain, ca. 30 km N of State Hwy 299 on Crowder Flat Road. 1550 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
  POM127616  Phacelia linearis M. French Gilman 648 Modoc [Unspecified] 1524 Comment
  SEINET5512250  Phacelia linearis J. C. Beatley 1964-1 Modoc Tule Lake area 1829 Comment
  UC748443  Phacelia linearis Annie M. Alexander and Louise Kellogg 1946-6-18 4796 Modoc meadow Patterson Mill-Silver Creek roads 1828 Comment
  CAS-BOT-BC179942  Phacelia mutabilis Alice Eastwood; John Thomas Howell 1940-6-12 8042 Modoc Between Likely and Jess Valley. Comment
  JEPS1163  Phacelia mutabilis L. S. Smith 1918-8-18 1044 Modoc ridge n Bear Mt.; Modoc <National> Forest, Warner Mts. 2682 Comment
  UC107417  Phacelia purpusii Mrs. R. M. Austin June 1886 Modoc hills e Goose Lake Val. Comment
  CAS-BOT-BC179930  Phacelia ramosissima var. eremophila Clare Butterworth Hardham 1961-6-20 7872 Modoc Pine Creek Canyon. 1676 Comment
  NY1056750  Phacelia tetramera B. M. Bartholomew 1995-5-13 6903 Modoc East of Eagleville near Eagleville Airport, south end of Surprize Valley 1390 Comment
  UC56441  Phacelia thermalis Milo S. Baker 1899-8-18 Modoc Little Hot Spring Valley; ; Little Hot Spring Valley, Modoc Co. Comment
  RSA252412  Phalaris arundinacea R. F. Thorne, C. W. Tilforth 1969-9-5 39185 Modoc Pine Creek where it is crossed by Hwy 395, 3.4 miles S of Alturas. 1341 Comment
  CAS-BOT-BC247600  Phleum alpinum Bruce Bartholomew; Barrett Anderson 1988-7-21 4468 Modoc Vicinity of Patterson Campground, southern end of the Warner Mts. 2190 Comment
  HSC10587  Phleum alpinum M. T. Milligan 1964-7-25 175 Modoc Pine Creek Basin, along trail. 2439 Comment
  UCD89310  Phleum alpinum August L. Hormay 1932-7-17 s.n. Modoc Lily Lake. Comment
  CAS-BOT-BC247596  Phleum pratense Bruce Bartholomew 1989-7-14 4967 Modoc Ca. 8 km NW of Lookout. 1300 Comment
  CAS-BOT-BC247597  Phleum pratense Bruce Bartholomew; Barrett Anderson 1988-7-22 4477 Modoc Vicinity of East Creak Trailhead, southern end of the Warner Mts. 2210 Comment
  UC1124187  Phlox caespitosa R. C. Wilson 1933-5-21 24 Modoc Stone Coal Valley Road at Hess Mine Modoc National Forest, Canby Quad. 1463 Comment
  CAS-BOT-BC197957  Phlox diffusa Bruce Bartholomew 1991-5-25 5743 Modoc McGinty Point, SW side of Goose Lake. 1470 Comment
  HSC75902  Phlox diffusa D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-22 19312 Modoc Soup Springs Campground Comment
  JEPS26567  Phlox diffusa Lauramay T. Dempster 1961-6-18 1691 Modoc just s Cedar Pass 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-BC197942  Phlox douglasii subsp. rigida M. M. Hanna 1956-6-3 939 Modoc Highway between Alturas and Cedarville. Comment
  UC748261  Phlox douglasii subsp. rigida Annie M. Alexander and Louise Kellogg 1946-6-27 4845 Modoc 2 mi by road from Dismal Swamp (n end of Warner Mountains); Warner Mountains, Highgrade 1889 Comment
  UC748262  Phlox douglasii subsp. rigida Annie M. Alexander and Louise Kellogg 1946-6-5 4669 Modoc s of Eagleville; Warner Mountains, Emerson Creek 1889 Comment
  CAS-BOT-BC197921  Phlox douglasii subsp. rigida John H. Hatton 1911-6-12 43 Modoc Modoc County. 1463 Comment
  UCR87503  Phlox gracilis George K. Helmkamp, E. A. Helmkamp 1993-5-4 s.n. Modoc 25.6 miles NW of Canby along Calif. Hwy 139 1280 Comment
  HSC17165  Phlox hoodii M. T. Milligan 1966-5-14 615 Modoc Plateau W of Jess Valley 1829 Comment
  CAS-BOT-BC197883  Phlox speciosa B. Bartholomew 1992-5-17 6344 Modoc SW side of White Horse Mtns, SW of White Horse Reservoir 1460 Comment
  UC70404  Phlox speciosa subsp. occidentalis Milo S. Baker 1893-1 Modoc Craigs Comment
  CAS-BOT-BC197870  Phlox stansburyi Bruce Bartholomew 1995-5-13 6907 Modoc 4.8 km W of Eagleville, E side of the S end of Surprize Valley. 1480 Comment
  CAS-BOT-BC58313  Phoenicaulis cheiranthoides M. Vasey 1990-6-28 9014 Modoc Trail to summit above N Emerson Lake. 2651 Comment
  CAS-BOT-BC58583  Phoenicaulis cheiranthoides Elmer Ivan Applegate 1932-8-5 8165 Modoc S slope of Cedar Mountain, Cedar Pass, Warner Mts. Comment
  CHSC54181  Phoenicaulis cheiranthoides Vernon H. Oswald 1991-5-28 4633 Modoc North side of parking area on the southeast side of Pilot Butte, Ash Creek Wildlife Area, ca. 5.5 miles north-northeast of Bieber. 1264 Comment
  JEPS15392  Phoenicaulis cheiranthoides Franklin P. Nutting 1892-8-15 Modoc Forestdale Comment
  JEPS5939  Phoenicaulis cheiranthoides Frances D. Payne 1932-4-22 385 Modoc 8 mi e of Alturas (on road to Parker Creek) Comment
  JEPS90372  Phoenicaulis cheiranthoides Dean W. Taylor 1992-5-8 12559 Modoc ca. 0.5 mi e Moonlite Mines ((Mt. Bidwell 7 1/2' USGS quadrangle, 1990 edition)); Warner Mountains, Mt. Bidwell 2432 Comment
  RSA59975  Phoenicaulis cheiranthoides E. K. Balls 1950-5-13 14671 Modoc W shore of Goose Lake, 0.2 mile S of Oregon-Calif. state line. 1463 Comment
  UC10760  Phoenicaulis cheiranthoides Milo S. Baker 1893-6-13 Modoc near Pitt River Comment
  UC1299645  Phoenicaulis cheiranthoides Freed W. Hoffman 1955-7-14 4099 Modoc Cedar Pass, 6.0 mi e of junction of highways 395 and 8A, Modoc National Forest Cedar Pass; Warner Mountains, Modoc National Forest, Cedar Pass 1524 Comment
  UCD116140  Phoenicaulis cheiranthoides R. N. Raynor 1940-4-13 s.n. Modoc Joseph Creek. Comment
  POM203793  Phoradendron juniperinum J. T. Howell 1934-6-11 11921 Modoc Parker Creek, Warner Mts. 1585 Comment
  SEINET7297281 Image available Phragmites australis Herbert L. Mason 1947-1 13501 Modoc Highway 81, north of Modoc- Lassen County Line Comment
  CAS-BOT-BC30198  Pinus albicaulis Robert Patterson; Mona Bourell 1993-8-15 5244 Modoc Warner Mountains. Along trail from Patterson Lake to ca. 2 mi north towards Pepperdine Trailhead. 2743 Comment
  CAS-BOT-BC73240  Pinus contorta subsp. murrayana A. D. Borden 1911-6-15 s.n. Modoc Head of middle fork of Davis Creek. Comment
  UCR78710  Pinus contorta var. murrayana David A. Charlet 1993-8-18 573 Modoc Warner Mtns., 2.8 km north of Eagle Peak 2744 Comment
  CAS-BOT-BC73018  Pinus monticola W. R. Dudley 1899-8-9 s.n. Modoc Black Butte 1828 Comment
  CAS-BOT-BC73023  Pinus monticola Marion Ownbey; Fred G. Meyer 1940-7-1 2153 Modoc Near summit of Clear Peak, Warner Mts. Comment
  HSC80918  Pinus monticola G. M. Riegel 1979-9-1 726 Modoc S Warner Mtns. 1670 Comment
  UC400277  Pinus ponderosa Mrs. M. H. Manning 1905-1-1 Modoc Comment
  CAS-BOT-BC228007  Plagiobothrys Roxana S. Ferris; Rena Duthie 1919-6-15 429 Modoc By railroad tracks, Davis Creek Comment
  UC79363  Plagiobothrys cusickii Mrs. R. M. Austin Jun 1885 Modoc Goose Lake Valley Comment
  JEPS118249  Plagiobothrys hispidulus Lowell Ahart, John Dittes 2011-6-22 17540 Modoc On the west side of the road, about 50 yards north of the Pilot Butte Parking Lot, north edge of Ash Creek Floodplain, 1.1 miles (air) south of County Road 87, 7.7 miles (air) west of Adin, 10 miles (air) east of Lookout, Big Valley 1264 Comment
  CAS-BOT-BC58732  Plagiobothrys scouleri Bruce Bartholomew; Barrett Anderson 1988-7-22 4547 Modoc Benton Meadow, Warner Mts.. 2180 Comment
  CAS-BOT-BC58749  Plagiobothrys scouleri Louis Cutter Wheeler 1935-8-16 3865 Modoc Dismal Swamp, Modoc National Forest 2225 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
  CAS-BOT-BC58773  Plagiobothrys tenellus Bruce Bartholomew; Barrett Anderson 1989-4-27 4630 Modoc Little Hot Spring Valley, 4.0 km NW of Day. 1070 Comment
  UC24588  Plagiobothrys tener var. tener Milo S. Baker 1893-7-1 Modoc Comment
  UC673581  Platanthera leucostachys F. H. Frost 1925-7-12 57 Modoc Stowe's Meadow, halfway up Cedar Canyon Warner Mts., Cedar Canyon Comment
  CAS-BOT-BC245393  Plectritis macrocera F. Angwin 1946-4-13 s.n. Modoc Big Valley near Adin. 1280 Comment
  CAS-BOT-BC245406  Plectritis macrocera Bruce Bartholomew; Barrett Anderson 1989-6-2 4799 Modoc 6.4 km E of Fort Bidwell on road to Fee Reservoir, NE corner of Surprise Valley. 1460 Comment
  CAS-BOT-BC245407  Plectritis macrocera Bruce Bartholomew; Barrett Anderson 1989-4-27 4627 Modoc Little Hot Spring Valley, 4.0 km NW of Day. 1070 Comment
  HSC21688  Plectritis macrocera M. T. Milligan 1965-7-1 406 Modoc Plateau W of Jess Valley. 1829 Comment
  UC912461  Plectritis macrocera F. H. Frost 1925-5-24 3 Modoc Steamboat Canyon Comment
  POM319399  Plectritis macrocera Patricia Wilder 1971-6-20 5078 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
  RSA101374  Plectritis macrocera subsp. grayi R. Weatherby 1955-7-8 1640 Modoc 3 mi. north of Ft. Bidwell, northern Warner Mts. 1555 Comment
  RSA14101  Poa Elmer I. Applegate 1927-4-24 5004 Modoc Modoc Battle Ground; Modoc Lava Beds Comment
  CAS-BOT-BC247588  Poa bolanderi Leland S. Smith 1922-7-20 1284 Modoc Rush Creek Ranger Station. 1905 Comment
  CAS-BOT-BC247585  Poa bulbosa Margaret J. Williams 1984-6-30 84- 80 -2 Modoc 6.8 mi. W of Cedarville-Gerlach road. Granger Canyon road. 1981 Comment
  CAS-BOT-BC255129  Poa cusickii Isabel T. Kelly 1930-1-1 22 Modoc Unspecified Comment
  UCD90896  Poa cusickii J. C. Hayes 1935-6-25 s.n. Modoc Alturas. Comment
  SD96114  Poa cusickii Jack L. Reveal 1976-6-2 1839 Modoc Modoc National Forest near Perez 1280 Comment
  UCD91791  Poa palustris Alan A. Beetle 1944-8-17 3038 Modoc 1 mile south of Alturas, edge of town west of R.R. track. Comment
  UCD91792  Poa palustris Beecher Crampton 1954-7-7 2159 Modoc 2.5 miles east of Alturas, near radio station KCNO. Comment
  CDA2368  Poa pratensis T. C. Fuller 1958-7-8 2016 Modoc Davis Creek. 0 Comment
  UCD38343  Poa pratensis Beecher Crampton 1954-7-7 2145 Modoc Warner mountains, east side of Cedar Pass, 3 miles west of Cedarville. Comment
  UCD91876  Poa pratensis Beecher Crampton 1954-7-7 2145 Modoc east side of Cedar Pass, Warner Mountains, 3 miles west of Cedarville. 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
  UC1024315  Poa pratensis subsp. pratensis Annie M. Alexander and Louise Kellogg 1946-6-18 4791 Modoc Patterson Mill-Silver Creek roads 1828 Comment
  UC1024850  Poa pratensis subsp. pratensis Leo Whitney 1935-6-9 3199 Modoc White Horse lake (Flat) near White Horse Comment
  POM203056  Poa secunda J. T. Howell 1934-7-1 12345 Modoc Duncan Horse Camp Comment
  RSA602386  Poa secunda L. C. Wheeler 1935-8-2 3742 Modoc Dismal Swamp, Twenty Mile Creek; Warner Mountains 2226 Comment
  RSA647548  Poa secunda Marion P. Harthill 1972-6-17 851 Modoc Cedar Pass 1921 Comment
  SEINET10522718  Poa secunda Billy Joe Cox, Paul Gallian 1971-6-3 Cox 2610 Modoc 6 mi N of Alturas on US Hwy 395, W facing slope, in middle of grassland pasture, edging into Artemesia which adjoins Juniper woodland. Lupinus sp. in very dense populations on every slope for over a mi N, more or less a valley side in decomposing basalt with lighter soil above. 1341 Comment
  UC1025057  Poa secunda subsp. juncifolia Leo Whitney 1935-6-23 3576 Modoc 15 mi w Canby (Happy Camp, USBE Plot); Modoc Nat'l Forest 1463 Comment
  UCD92370  Poa secunda subsp. juncifolia August L. Hormay 1932-7-16 s.n. Modoc Modoc National Forest, Crowder Ranger Station. Comment
  CHSC69492  Poa secunda subsp. secunda James D. Jokerst 1987-5-13 2870 Modoc Radar Survey Site S of Doublehead Mtn., S of Clear Lake Reservoir, S end of northern sector. 1359 Comment
  JEPS127211  Poa secunda subsp. secunda Lowell Ahart, John Dittes 2016-6-6 20940 Modoc About 50 yards southwest of the intersection of County Road 87 and Access Road to Pilot Butte Parking Area, northeast base of Pilot Butte, 3.8 miles (air) east of Lookout, 7.5 miles (air) west of Adin, Ash Creek State Wildlife Area. Comment
  UCD90789  Poa secunda subsp. secunda Beecher Crampton; Carl Rimbey 1954-7-6 2105 Modoc 20 miles E of Alturas. Warner Mountains. Above Shields Creek. Comment
  CAS-BOT-BC247654  Poa wheeleri Bruce Bartholomew 1990-6-16 5271 Modoc Rock outcrops between roadhead and Pine Creek Basin, W side of Warner Mountains. 2160 Comment
  CAS-BOT-BC252517  Poa wheeleri Bruce Bartholomew 1990-8-5 5685 Modoc Between Summit Trail and Emerson Peak, W side of Warner Mts. 2600 Comment
  UCD91754  Poa wheeleri L. Whitney 1935-5-26 3154 Modoc Ash Creek, 10 miles E of Adin. Comment
  CAS-BOT-BC179354  Pogogyne floribunda Bruce Bartholomew 1991-8-4 6021 Modoc 3.2 km S of Drift Fence Tank on road to Mud Lake. 1580 Comment
  CAS-BOT-BC6504  Pogogyne floribunda James D. Jokerst 1990-7-31 3205 Modoc Modoc National Forest, Devils Garden Ranger District (south of Clear Lake) 1371 Comment
  CHSC67518  Pogogyne floribunda J. D. Jokerst 1987-6-23 2931 Modoc Modoc National Forest, Devils Garden Ranger District (south of Clear lake). Small lake several hundred meters S of Doublehead Lake. Comment
  NY22575  Pogogyne floribunda J. D. Jokerst 1990-7-31 3205 Modoc Dry lakebed with Artemisia cana. Modoc National Forest, Devils Garden Ranger District (south of Clear Lake), about 1.5 miles SE of Doublehead Mountain, N and adjacent to dirt road and 0.25 mile W of a north to south-oriented fenceline through the center o Comment
  RSA0022126  Pogogyne floribunda Louis C. Wheeler 1935-8-25 3915 Modoc Devil's Garden: Rimrock Valley Reservoir. 1524 Comment
  JEPS69908  Polemonium micranthum B. C. Goldsmith 1912-5-1 Modoc Alturas Comment
  CAS-BOT-BC197854  Polemonium occidentale Barrett Anderson 1986-7-10 3202 Modoc West Warner Rd at the North Fork of Pine Creek. 1935 Comment
  HSC81028  Polemonium pulcherrimum G. M. Riegel 1980-7-28 948 Modoc S Warner Mtns. 2100 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-BC419701  Polygonum austiniae Mrs. R. M. Austin 1895-7-1 134 Modoc Goose Lake Valley Comment
  JEPS91068  Polygonum aviculare subsp. buxiforme Dean Wm. Taylor with Glenn L. Clifton 1989-8-6 10486 Modoc Warner Mountains, bed of Snake Lake Snake Lake; Warner Mountains, bed of Snake Lake 1569 Comment
  UC748282  Polygonum bistortoides Annie M. Alexander and Louise Kellogg 1946-7-18 5022 Modoc Benton Meadow Warner Mountains 2072 Comment
  POM229191  Polygonum convolvulus Louis C. Wheeler 1935-8-6 3799 Modoc Mouth Pine Creek, Warner Mountains. 1509 Comment
  CAS-BOT-BC218122  Polygonum douglasii Bruce Bartholomew 1991-8-5 6038 Modoc Squaw Peak Trail on N side of Squaw Peak, E side of Warner Mts. 2420 Comment
  CAS-BOT-BC218141  Polygonum douglasii John Thomas Howell 1934-6-30 12276 Modoc Duncan Horse Camp. 1355 Comment
  SEINET516151  Polygonum douglasii Vernon H. Oswald 1998-9-8 9589 Modoc County Rd. 93 adjacent to the RR at Lookout Junction northwest of Lookout. 1280 Comment
  UC1562658  Polygonum douglasii Barbara Ertter 1988-6-18 7615 Modoc Hwy 139 1 mi s S jct to Lava Beds Nat'l Monument (e of Tonesta, a few mi n of Agric. Inspection Station, ca 50 air mi sw of Klamath Falls) 1310 Comment
  NY412834  Polygonum douglasii L. C. Wheeler 1935-8-6 3801 Modoc 1/2 mile south of Pine Creek (town) 1493.5 Comment
  UC1191246  Polygonum douglasii subsp. douglasii Herbert L. Mason and Verne Grant 1937-7-13 13451 Modoc w end of pass near Goose Lake (on road to Fort Bidwell); Fandango Pass Comment
  CHSC106322  Polygonum douglasii subsp. spergulariiforme Lowell Ahart; John Dittes 2010-8-31 17133 Modoc On the east side of Elkins Lane, about 100 yards north of the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  SEINET11929437  Polygonum kelloggii Unknown 1940-1 40494 Modoc Comment
  NY412663  Polygonum kelloggii var. kelloggii A. Tiehm 1984-7-30 8829 Modoc 8.9 road miles northeast of Fort Bidwell on the main road to Adel, just past the road summit 1615.4 Comment
  UC1060643  Polygonum polygaloides Herbert L. Mason 1957-7-6 14725 Modoc Rim Rock, West of Goose Lake Comment
  RSA65860  Polygonum polygaloides subsp. confertiflorum Alice Eastwood, John T. Howell 1940-6-14 13052 Modoc 8 miles NW of Canby Comment
  OBI70749  Polygonum polygaloides subsp. confertiflorum Louis C. Wheeler 1973-8-22 s.n. Modoc Devils Garden: Ca. 1/4 mi SW of Big Sage Reservoir. T43N R12E sec 18 Comment
  RSA638217  Polygonum polygaloides subsp. confertiflorum Louis C. Wheeler 1973-8-22 s.n. Modoc Devils Garden: Ca. 1/4 mile southwest of Big Sage Reservoir. Comment
  UCD100569  Polygonum polygaloides subsp. confertiflorum James D. Jokerst 1990-8-2 3210 Modoc Hwy. 139 NW of Canby, ca. 300 m N of the road at the SE edge of a large dry lake, within the dry-down zone adjacent to a concrete overflow structure. Comment
  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-BC6535  Polygonum polygaloides subsp. esotericum Louis Cutter Wheeler 1935-8-25 3918 Modoc Rim Rock Valley Reservoir, Devils Garden 1524 Comment
  JEPS98247  Polygonum polygaloides subsp. esotericum R. E. Preston 2000-7-19 1420 Modoc 8 mi NW of Canby (on N side of Hwy 139; ca 0.9 mi w of FSR 46N10) 1508 Comment
  UCD77940  Polygonum polygaloides subsp. esotericum Robert E. Preston 2000-7-18 1419 Modoc Ca. 8 mi nw of Canby, on n side of Hwy 139, 0.75 mi w of Forest Service Rd 46N10. 1511 Comment
  UCD77947  Polygonum polygaloides subsp. esotericum Robert E. Preston 2000-7-18 1409 Modoc Ca. 14 mi nw of Canby, on n side of Hwy 139, 0.4 mi w of Forest Service Rd 44N11. 1467 Comment
  CAS-BOT-BC218184  Polygonum polygaloides subsp. kelloggii Alice Eastwood; John Thomas Howell 1940-6-14 8228 B Modoc 8 mi. NW of Canby. Comment
  JEPS49472  Polygonum polygaloides subsp. kelloggii Louis C. Wheeler 1935-8-16 3867 Modoc Warner Mts., Dismal Swamp, Twenty-Mile Creek 2225 Comment
  HSC81000  Polygonum polygaloides subsp. kelloggii G. M. Riegel 1980-8-11 1031 Modoc S Warner Mtns. 2100 Comment
  RSA601505  Polygonum ramosissimum Louis C. Wheeler 1935-8-6 3801 Modoc 1/2 mile S Pine Creek. 1509 Comment
  CHSC117258  Polygonum ramosissimum subsp. prolificum Lowell Ahart; John Dittes 2016-7-14 21191 Modoc West of a new pond, south of Ash Creek Canal (now filled in), south of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. 1273 Comment
  NY407626  Polygonum sawatchense B. M. Bartholomew 1989-6-2 4781 Modoc Top of Fandango pass, Warner Mountains. 1870 Comment
  UC1075752  Polygonum sawatchense subsp. sawatchense Robert J. Weatherby 1955-7-7 1608 Modoc 7 mi n Ft. Bidwell 1874 Comment
  HSC80999  Polygonum sawatchense subsp. sawatchense G. M. Riegel 1978-8-11 638 Modoc S Warner Mtns. 2100 Comment
  UC1024712  Polypogon monspeliensis Leo Whitney 1934-6-2 2131 Modoc Hackamore Lake Joaquina (ca 15 mi nw of Canby, Modoc National Forest); Modoc National Forest, , Hackamore 1463 Comment
  UC1025022  Polypogon monspeliensis Leo Whitney 1935-7-17 3513 Modoc Hackamore Lake Joaquina (ca 15 mi nw of Canby, Modoc National Forest); Modoc National Forest, , Hackamore 1463 Comment
  CAS-BOT-BC225102  Populus tremuloides P. F. Covel 1939-8-13 1633 Modoc Highway at Pitt River west of Canby. Comment
  UC1542926  Populus tremuloides G. Schoolcraft 1987-10-28 1781 Modoc about 1 mi e ski area (Warner Mts.); Warner Mts. 1767 Comment
  CAS-BOT-BC95151  Porterella carnosula Bruce Bartholomew 1991-7-6 5976 Modoc Curtis Waterhole and adjacent lava outcrops. 1310 Comment
  UC1027185  Porterella carnosula Annie M. Alexander and Louise Kellogg 1946-7-11 4975 Modoc mesa w Eight Mile Creek (ne corner of county); mesa w Eight Mile Creek Comment
  UC1101394  Portulaca oleracea Herbert L. Mason, Verne Grant 1947-7-10 13342 Modoc 2 mi e of Alturas (Dorris Reservoir); Dorris Reservoir Comment
  CAS-BOT-BC242242  Potamogeton foliosus Louis Cutter Wheeler 1935-9-1 3933 Modoc Pine Spring, Devil's Garden. 1524 Comment
  POM313026  Potamogeton illinoensis Verne Grant, Irving Schneider 1947-8-29 8353 Modoc Pit River, at bridge by Coal Stone Valley. Comment
  UC1099908  Potamogeton illinoensis Verne Grant, Irving Schneider 1947-8-29 8353 Modoc at bridge by Coal Stone Valley; Pit River Comment
  UC1751036  Potamogeton nodosus Annetta M. Carter 1946-8-18 1773 Modoc Canby Creek W of Canby. Comment
  CAS-BOT-BC332736  Potamogeton nodosus R. F. Thorne; Larry E. DeBuhr 1975-8-22 46967 Modoc Ca. 3.4 miles N of Alturas at bridge over North Fork of Pit River 1341 Comment
  RSA210789  Potamogeton nodosus Robert F. Thorne, C. W. Tilforth 1969-9-4 39046 Modoc Parker Creek at bridge near junction with north fork of Pit River, 5 miles north of Alturas. 1341 Comment
  JEPS114840  Potamogeton pectinatus Lowell Ahart, John Dittes 2008-6-21 15005 Modoc In shallow water 6-8 inches deep, along a deep natural drainage, about 30 yards west of the levee, mountain meadow, in Big Valley, about 3.6 miles (air) northeast of the Headquarters at Ash Creek State Wildlife Area, about 6.4 miles (air) northeast of Bie 1269 Comment
  CAS-BOT-BC242272  Potamogeton richardsonii Robert Folger Thorne; et al 1969-9-4 39128 Modoc N Fork of Pit River 3.4 mi. N of Alturas where crossed by Hwy 395. 1341 Comment
  RSA252494  Potamogeton richardsonii Robert F. Thorne, C. W. Tilforth 1969-9-5 39179 Modoc In rapidly flowing South Fork of Pit River at bridge 3.8 miles east of Likely. 1387 Comment
  UC1100096  Potamogeton richardsonii Verne Grant, Irving Schneider 1947-8-29 8350 Modoc 4 mi sw of Canby (Pit River 1 mi w (downstream) of Bridge 305, Highway 299); Pit River, Highway 299 Comment
  UC1100088  Potamogeton zosteriformis Verne Grant, Irving Schneider 1947-7-18 8054 Modoc 1.4 mi n of Bayley's Bridge (s of Alturas) Comment
  JEPS124367  Potentilla biennis Lowell Ahart, John Dittes 2015-7-16 20373 Modoc Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. Comment
  UC71672  Potentilla biennis Mrs. M. H. Manning 1902-10-21 Modoc northern slope of Fandango northern slope of Fandango (north-eastern Modoc County) Comment
  CAS-BOT-BC214742  Potentilla breweri Bruce Bartholomew; Barrett Anderson 1988-7-22 4543 Modoc Benton Meadow, Warner Mts.. 2180 Comment
  NY831738  Potentilla breweri var. breweri B. M. Bartholomew 1988-7-22 4543 Modoc Benton Meadow, Warner Mountains 2180 Comment
  CHSC109481  Potentilla bruceae L. P. Janeway; B. Castro 2012-7-27 11023 Modoc Warner Mountains. North-sloping meadow opening just above Mineral spring, 0.5 air km east of Yellow Mountain. 2361 Comment
  CAS-BOT-BC214793  Potentilla gracilis Roxana Stinchfield Ferris; L. Lorraine 1941-8-14 10541 Modoc Patterson Ranger Station (East Creek drainage). 2164 Comment
  UCD113859  Potentilla gracilis Verne Grant; Irving Schneider 1947-7-19 8073 Modoc Williams ranch; along Souhern Pacific right-of-way near East Canal, in Pit Valley south of Alturas. Comment
  JEPS47214  Potentilla gracilis Frances D. Payne 1931-6-25 251 Modoc 2 mi sw Warren Mt. (southeastern Modoc County); Warner Mts., Pine Creek Basin, sw of Warren Mt. 2316 Comment
  UC114480  Potentilla gracilis var. flabelliformis Mrs. R. M. Austin June 1894 83 Modoc Davis Creek Comment
  UC1540181  Potentilla newberryi Dean Wm. Taylor, Glenn L. Clifton, Rexford E. Palmer 1987-8-9 9270 Modoc Dry Lake 1341 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-BC225023  Poteridium annuum Margaret J. Williams 1984-6-20 84- 84 -3 Modoc 13.4 mi W of Parker Creek Road. 1584 Comment
  CAS-BOT-BC225035  Poteridium annuum D. Toren; Barbara Trowbridge 1975-6-20 5142 Modoc Jess Valley, East of Likely 1097 Comment
  HSC14304  Prunella vulgaris subsp. lanceolata M. T. Milligan 1965-6-26 337 Modoc N end Jess Valley. 1616 Comment
  UC466750  Prunus emarginata Belknap C. Goldsmith 1911-6-15 34 Modoc North Fork Davis Creek, w slope Warner Mountains, Modoc National Forest Davis Creek; Warner Mountains, Modoc National Forest, Davis Creek 2011 Comment
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Nov 27 2011
  CAS-BOT-BC214815  Prunus subcordata Elmer Ivan Applegate 1932-8-6 8205 Modoc Near Cedarville, Surprise Valley. Comment
  CAS-BOT-BC214818  Prunus subcordata Elmer Ivan Applegate 1929-6-25 5906 Modoc Willow Ranch, E side of Goose Lake. Comment
  CAS-BOT-BC214820  Prunus subcordata Gladys L. Smith; Margaret Williams; Loring Williams; Charles Smith 1983-9-14 8388 Modoc Second big curve ascending Ft. Bidwell side 1377 Comment
  RSA59642  Prunus subcordata E. K. Balls 1950-5-12 14651 Modoc N of Bucks Creek Ranger Station. Modoc National Forest. 1829 Comment
  SEINET10685515  Prunus subcordata Karen M. Meyer, Andrew Townesmith 2007-9-16 Meyer 214 Modoc Modoc National Forest, going E on Hwy 299, 5.1 miles from the start of NF. Lower, Cedar Creek interpretive trail. 1622 Comment
  UC719794  Prunus subcordata Rogers McVaugh 1941-8-5 6252 Modoc 5.5 mi w of Cedarville (e slope of Warner Mountains); Warner Mountains Comment
  UC466757  Prunus subcordata M. F. Gilman 529 Modoc 1524 Comment
  RSA0025581  Prunus virginiana John F. Emmel 1996-7-15 1431 Modoc Warner Mtns; ridge 1.1-1.5 air mi south and 0.3-0.5 air mi west of Emerson Peak. 2409 Comment
  CAS-BOT-BC225007  Prunus virginiana var. demissa M. M. Hanna 1956-6-5 977 Modoc Cedar Pass. Comment
  CAS-BOT-BC225011  Prunus virginiana var. demissa Annie Montague Alexander; L. Kellogg 1946-6-5 4659 Modoc Emerson Creek, 1.5 mi. S of Eagleville, Warner Mts. 1783 Comment
  JEPS44920  Prunus virginiana var. demissa L. S. Smith 1919-6-2 1113 Modoc Deep Creek Railroad Station; Warner Mountains, Deep Creek Railroad Station 1524 Comment
  UCSB16353  Prunus virginiana var. demissa Haller, John 1962-6-7 Modoc Little Meadows campground, South Fork of the Pit River, 8 miles east of Likely, 1.5 miles west of the western end of Jess Valley; Warner Mountains 1524 Comment
  UCD91488  Pseudoroegneria spicata A. A. Beetle 1941-6-29 2828 Modoc Near summit of Cedarville Pass. 2118 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
  CDA32662  Pseudoroegneria spicata A. A. Beetle 1941-6-29 2828 Modoc Near summit of Cedarville Pass Comment
  JEPS68372  Pseudoroegneria spicata subsp. spicata L. S. Smith 1917-7-10 106 Modoc Warner Mountains, Granger Mill Camp Granger Mill Camp; Warner Mountains, Granger Mill Camp 2194 Comment
  UC1137096  Pseudoroegneria spicata subsp. spicata August L. Hormay 1932-7-14 Modoc Adin (possibly 4 mi nw of;) Adin Comment
  CAS-BOT-BC95232  Pseudostellaria jamesiana Barrett Anderson 1986-7-9 3150 Modoc 299 just W of Cedar Pass, Warner Mts. 1920 Comment
  NY1083722  Pseudostellaria jamesiana C. L. Hitchcock 1940-5-27 6679 Modoc 15 miles northeast of Alturas 1615.4 Comment
  SD149209  Pseudotsuga menziesii B. Bartholomew 1992-5-14 6273 Modoc Northeast side of White Horse Mountains, southwest of White Horse Flat Reservoir. 1399 Comment
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Dec 3 2007
  POM229881  Psilocarphus brevissimus L. C. Wheeler 1935-8-25 3920 Modoc Rim Rock Valley Reservoir, Devil's Garden 1524 Comment
  JEPS30615  Psilocarphus oregonus Peter H. Raven and Otto T. Solbrig 1958-6-18 13321 Modoc 8.8 mi s Happy Camp Guard Station; Modoc National Forest Comment
  CAS-BOT-BC95681  Pterospora andromedea Bruce Bartholomew 1989-7-14 4932 Modoc Along Rush Creek between Lower and Upper Rush Creek Campgrounds. 1580 Comment
  UCD92335  Puccinellia Beecher Crampton 1954-7-6 2083 -C Modoc Along U. S. Hwy. 395. 4 miles north of Likely. Comment
  CHSC85411  Puccinellia lemmonii John Dittes; Josephine Guardino 1991-7-21 434 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
  NY848522  Purshia tridentata A. D. Borden 1911-6-15 s.n. Modoc South slope of Davis Creek Comment
  SEINET10542464  Purshia tridentata David B. Dunn, Paul Gallian 1971-6-2 Dunn 17772 Modoc 9 miles sw of canby on hwy 299, in decomposed granite; in artemesia, very moist Season of year with melting patches of snow. Pinus ponderosa-juniper assoc. 30-40 Degrees slope 1463 Comment
  CAS-BOT-BC218234  Purshia tridentata var. tridentata Bruce Bartholomew; Barrett Anderson 1988-7-21 4447 Modoc Dry hillside, SW side of Jess Valley, Warner Mts.. 1540 Comment
  UC1128536  Purshia tridentata var. tridentata R. C. Wilson 1933-6-7 41 Modoc Pothole Gulch; Modoc National Forest, Canby Quad. 1310 Comment
  POM90212  Purshia tridentata var. tridentata R. M. Austin 1895-06 54 Modoc Goose Lake. Ross Canyon. Comment
  UC12420  Purshia tridentata var. tridentata Milo S. Baker 1893-6 Modoc hillsides and low land Comment
  HSC80765  Pyrola dentata G. M. Riegel 1980-8-12 1039 Modoc S Warner Mtns. 1670 Comment
  CAS-BOT-BC95689  Pyrola picta Milo Samuel Baker 1896-5-15 Modoc Forestdale. Comment
  HSC80766  Pyrola picta G. M. Riegel 1979-9-4 740 Modoc S Warner Mtns. 1670 Comment
  CAS-BOT-BC50396  Pyrrocoma carthamoides var. cusickii John Thomas Howell 1934-7-1 12299 Modoc Duncan Horse Camp. 1355 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
  SJSU9381  Pyrrocoma carthamoides var. cusickii W. Savage 1979-7-3 1295 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  UC86658  Pyrrocoma hirta var. lanulosa Mrs. R. M. Austin June 1894 259 Modoc near Emigrant Spring; Lava Beds Comment
  CAS-BOT-BC50352  Pyrrocoma lanceolata var. lanceolata Louis Cutter Wheeler 1935-9-27 4008 Modoc Pease Flat, Devil's Garden. 1524 Comment
  CAS-BOT-BC180122  Quercus kelloggii Leland S. Smith 1922-7-29 1324 Modoc Big Valley foothills. 1371 Comment
  CAS-BOT-BC217300  Ranunculus alismifolius Bruce Bartholomew 1992-5-15 6303 Modoc Tamarack Flat, E side of the Warner Mountains. 2160 Comment
  UC72897  Ranunculus alismifolius var. alismifolius Milo S. Baker 1893-1 Modoc Forestdale Comment
  CAS-BOT-BC217264  Ranunculus aquatilis var. aquatilis Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-15 16519 Modoc On mesa 11 mi. W of Canby, along Calif. St. Highway 139. Comment
  CAS-BOT-BC379162  Ranunculus aquatilis var. aquatilis Alice Eastwood 1928-7-7 15268 Modoc Howard Lake, Forest Reserve Comment
  CAS-BOT-BC379171  Ranunculus aquatilis var. aquatilis Clare R. Wheeler 1980-6-17 1761 Modoc Cherry Lake 5.6 km north of Anthony Peak 1829 Comment
  RSA27049  Ranunculus aquatilis var. capillaceus C. L. Hitchcock 1940-5-28 6721 Modoc 15 miles north of Alturas, (near Surprise). 1402 Comment
  UC1101367  Ranunculus aquatilis var. capillaceus Calvin McMillan and Malcolm A. Nobs 1949-6-15 786 Modoc 3 mi w Canby (marshy pool); Pitt River Comment
  JEPS124355  Ranunculus aquatilis var. diffusus Lowell Ahart, John Dittes 2015-7-16 20376 Modoc Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. Comment
  JEPS60726  Ranunculus aquatilis var. subrigidus Leland S. Smith 1918-7-22 1008 Modoc Blue Lake Modoc National Forest 1874 Comment
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Jun 2 2009
  CHSC108007  Ranunculus arvensis Lowell Ahart; John Dittes 2011-6-21 17512 Modoc About 130 yards west of the fence, south edge of the meadow, Ash Creek State Wildlife Area, about 2,300 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  CDA24313  Ranunculus californicus T. C. Fuller 1963-6-11 10649 Modoc Little Meadow Campground, South Fork of the Pit River, 7.9 miles east of Likely. 0 Comment
  CAS-BOT-BC217228  Ranunculus cymbalaria Louis Cutter Wheeler 1935-8-3 3769 Modoc Pine Creek, Warner Mts. 1554 Comment
  NY494386  Ranunculus cymbalaria L. C. Wheeler 1935-8-3 3769 Modoc Pine Creek, Warner Mountains 1554.5 Comment
  PASA2638  Ranunculus cymbalaria Frank W. Peirson 1926-6-26 6906 Modoc Road from Alturas to Canby Comment
  JEPS3950  Ranunculus glaberrimus N. T. Mirov 1929-5-14 Modoc e Goose Lake (on road to Fandango Valley); Warner Mountains, Buck Creek Comment
  UC1178908  Ranunculus glaberrimus Herbert L. Mason 1949-4-16 13999 Modoc summit of grade between Madeline Plain and Likely Comment
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Jun 2 2009
  CAS-BOT-BC217209  Ranunculus glaberrimus var. glaberrimus Belknap C. Goldsmith 1912-4-20 43 Modoc Near Cedarville, Surprise Valley. 1341 Comment
  CAS-BOT-BC217249  Ranunculus glaberrimus var. glaberrimus Bruce Bartholomew; Barrett Anderson 1988-5-13 4173 Modoc Between N and S Forks of Fitzhugh Creek on Warner Road, W side of the Warner Mts.. 1970 Comment
  HSC18214  Ranunculus glaberrimus var. glaberrimus M. T. Milligan 1966-4-8 450 Modoc N end of Jess Valley 1616 Comment
  CAS-BOT-BC217225  Ranunculus occidentalis Alice Eastwood; John Thomas Howell 1940-6-15 8283 Modoc Near Happy Camp Ranger Station. Comment
  SEINET230530  Ranunculus occidentalis A. Tiehm 1984-6-30 8832 Modoc N edge of Lake Annie on W side Bidwell Mtn NE of Ft Bidwell 1530 Comment
  CAS-BOT-BC217210  Ranunculus occidentalis var. occidentalis Bruce Bartholomew; Barrett Anderson 1988-6-23 4278 Modoc 4.0 km W of Day on County Road 94. 1340 Comment
  POM99210  Ranunculus orthorhynchus R. M. Austin 1895-07 112 Modoc Goose Lake Valley. Comment
  UC748220  Ranunculus orthorhynchus var. orthorhynchus Annie M. Alexander and Louise Kellogg 1946-6-8 4697 Modoc road from Eagleville to Patterson Mill 2286 Comment
  RSA8216  Ranunculus oxynotus Elmer I. Applegate 1932-8-3 8133 Modoc E slope of Eagle Peak, near summit, Warner Mts. 2744 Comment
  POM275143  Ranunculus oxynotus Louise Kellogg 1946-7-30 5098 Modoc Eagles Peak, Warner Mtns Comment
  CHSC117241  Ranunculus sardous Lowell Ahart; John Dittes 2016-7-16 21256 Modoc Strand of the second pond, south of Ash Creek Canal (now filled in), south of Ash Creek, Ash Creek State Wildlife Area, 0.79 miles (air) south of County Road 87, 1.75 miles (air) west of Adin, Big Valley. 1273 Comment
  CHSC117572  Ranunculus sardous Lowell Ahart; John Dittes 2016-7-14 21195 Modoc South of Ash Creek Canal (now filled in), south of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. 1273 Comment
  CAS-BOT-BC217199  Ranunculus sceleratus var. multifidus Elmer Ivan Applegate 1929-7-29 6090 Modoc N side of Clear Lake. 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
  RSA85295  Ranunculus sceleratus var. multifidus F. W. Peirson 1926-6-26 6904 Modoc Alturas to Canby Comment
  CAS-BOT-BC217155  Ranunculus testiculatus Bruce Bartholomew; Mona Bourell 1990-4-28 5201 Modoc SE corner of North Alkali Lake, Surprise Valley. 1350 Comment
  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
  NY495030  Ranunculus uncinatus M. J. Williams 1984-6-30 8480- 3 Modoc Seepage area near a reservoir, 6.8 miles west of the Cedarville-Gerlach road, Granger Canyon Road, Warner Mountains 1981.2 Comment
  UC49403  Ribes Leland S. Smith 1918-8-18 1045 Modoc ridge n Bear Mt.; Modoc Forest 2682 Comment
  CAS-BOT-BC498760  Ribes L. S. Smith 1919-8-25 1143 Modoc Modoc Forest: Dismal Swamp Comment
  CAS-BOT-BC225856  Ribes aureum John H. Hatton 1911-6-13 85 Modoc unspecified 1371 Comment
  CAS-BOT-BC225857  Ribes aureum Elmer Ivan Applegate 1929-7-29 6089 Modoc N side of Clear Lake. Comment
  CHSC42151  Ribes aureum C. E. Laver 1986-3-26 Modoc Ca. 13 mi ne of Alturas and 100 yd e of Thoms Creek. 1493 Comment
  RSA488571  Ribes aureum Bruce Bartholomew, B. Anderson 1988-5-14 4188 Modoc 2 km. S of McGinty Point, edge of causeway across the SW corner of Goose Lake. 1430 Comment
  RSA520369  Ribes aureum Bruce Bartholomew, B. Anderson 1989-4-29 4703 Modoc Sand Creek east side of Surprise valley, ca. 10 km east of Cedarville. 1400 Comment
  UC1191523  Ribes aureum Verne Grant, Irving Schneider 1947-7-22 8157 Modoc 1 mi nw Highway 395 (on road leading to s end of Goose Lake, meadow at headwaters of river); North Fork of Pit River Comment
  UC71821  Ribes aureum Mrs. M. H. Manning 1903-4 95 Modoc valley near Fort Bidwell Comment
  POM92339  Ribes aureum Mrs. R. M. Austin 1895-05 s.n. Modoc Davis Creek, Goose Lake. Comment
  CAS-BOT-BC92390  Ribes aureum var. aureum John Thomas Howell 1934-6-13 12096 Modoc Patterson Mill Road. Warner Mountains. 1676 Comment
  CHSC111167  Ribes aureum var. aureum Lowell Ahart 2012-7-10 18317 Modoc Along a deep drainage, notheast of the old homestead, Ash Creek State Wildlife Area, about 3.4 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  UC75441  Ribes californicum Milo S. Baker 1898-4-20 627 Modoc Taylor Mt. Comment
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Jul 22 2018
  CAS-BOT-BC225872  Ribes cereum C. L. Hitchcock 1940-5-27 6695 Modoc 15 mi. NE of Alturas. 1615 Comment
  CAS-BOT-BC225889  Ribes cereum Bruce Bartholomew; Barrett Anderson 1988-7-22 4551 Modoc Stough Reservoir between Alturas and Cedarville, Warner Mts.. 2000 Comment
  CAS-BOT-BC225893  Ribes cereum Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-13 6544 Modoc 8 km E of Likely along S Fork of Pit River. 1380 Comment
  JEPS43511  Ribes cereum Frances D. Payne 1931-6-10 142 Modoc s and e Alturas (Parker Creek); Warner Mountains 1584 Comment
  JEPS49423  Ribes cereum W. L. Jepson 1918-8-7 7860 Modoc Mt. Bidwell 1981 Comment
  NY454991  Ribes cereum K. Paulson 1989-6-14 135 Modoc Ca. 1.5 miles northeast of Cedar Pass, Warner Mountains 1905.0 Comment
  NY454992  Ribes cereum B. M. Bartholomew 1989-4-29 4685 Modoc Surprise Valley Road, just south of the Oregon border, extreme northeast corner of Modoc County 1630 Comment
  RSA520464  Ribes cereum K. Paulson, R. Paulson 1989-6-14 135 Modoc 1.5 miles NE of Cedar Pass, Warner Mts. 1905 Comment
  RSA59943  Ribes cereum E. K. Balls 1950-5-12 14654 Modoc Hillsides north of Bucks Creek Ranger station, Modoc Nat l Forest, east of Goose Lake. 1860 Comment
  UC1035991  Ribes cereum Helen K. Sharsmith 1955-6-25 4504 Modoc on trail to Mill Creek Falls and Clear Lake; Warner Mountains, Modoc National Forest 1752 Comment
  UC71795  Ribes cereum Mrs. M. H. Manning 1902-10-11 37 a Modoc Warner Mts. 1828 Comment
  JEPS49402  Ribes inerme var. inerme Leland S. Smith 1918-8-13 1033 Modoc Lost Lake, Silver Creek, Modoc Forest. 2194 Comment
Read comments
Jan 11 2007
  SBBG2771  Ribes malvaceum H. and M. Dearing 1939-6-8 3608 Modoc Lily Lake, Warner Mtns Comment
  HSC80728  Ribes montigenum G. M. Riegel 1979-7-30 621 Modoc S Warner Mtns. 1829 Comment
  SBBG2783  Ribes montigenum H. and M. Dearing 1939-6-8 3605 Modoc Lily Lake, Warner Mtns 2133 Comment
  RSA0019691  Ribes velutinum Bruce Bartholomew, B. Anderson 1989-4-27 4624 Modoc Little Hot Spring Valley, 4 km NW of Day. 1070 Comment
  CAS-BOT-BC225940  Ribes viscosissimum Bruce Bartholomew 1994-5-28 6720 Modoc Between Cold Spring and Cottonwood Flat, W side of Warner Mts. 1880 Comment
  RSA0020906  Ribes viscosissimum Louis C. Wheeler 1935-8-14 3850 Modoc Lily Lake, Pine Creek, Warner Mountains. 2073 Comment
  UCR80270  Ribes viscosissimum var. hallii L. C. Wheeler 1935-8-14 3850 Modoc Warner Mtns., Lily Lake, Pine Creek 2073 Comment
  CAS-BOT-BC50370  Rigiopappus leptocladus David Daniels Keck; Jens Chr. Clausen 1935-6-24 3715 Modoc 3 mi. NE of Willow Ranch. 1550 Comment
  RSA584833  Rigiopappus leptocladus Bruce Bartholomew 1993-6-12 6575 Modoc Road to Day Rock from Little Hot Spring Valley 1200 Comment
  CDA19944  Rorippa austriaca R. Breckenridge 2002-6-19 PDR 1204561 Modoc Northern California; W of Hwy 395. 0 Comment
  CDA20130  Rorippa austriaca C. Pirosko 2002-6-14 PDR P 120230 Modoc Modoc Plateau; Jones Lake. 0 Comment
  CAS-BOT-BC58410  Rorippa columbiae Leland S. Smith 1920-7-14 1189 Modoc Marlin. 1371 Comment
  CAS-BOT-BC58417  Rorippa curvisiliqua Reed Clark Rollins; Kathryn W. Rollins 1983-7-6 83229 Modoc Above Widow Valley, ca. 3 mi E of Day. Comment
  CAS-BOT-BC58421  Rorippa curvisiliqua Robert Folger Thorne; C. W. Tilforth 1969-9-5 39170 Modoc Margins of Clear Lake, Warner Mts. 1767 Comment
  HSC6900  Rorippa curvisiliqua M. T. Milligan 1966-7-27 590 Modoc N end of Jess Valley 1616 Comment
  RSA210881  Rosa woodsii subsp. ultramontana Robert F. Thorne, James Henrickson, C. W. Tilforth 1969-9-4 39086 Modoc N Fork of Pit River 3.4 mi N of Alturas where crossed by Highway 395. 1341 Comment
  CAS-BOT-BC218247  Rosa woodsii var. ultramontana Philip Alexander Munz 1951-9-14 16977 Modoc Jess Valley, 13 mi. E of Likely. 1630 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
  JEPS47232  Rosa woodsii var. ultramontana Frances D. Payne 1929-7-19 100 Modoc s and e Alturas; Warner Mountains, Parker Creek 2286 Comment
  UC73077  Rosa woodsii var. ultramontana Milo S. Baker 1893-1 Modoc Forestdale Comment
  HSC80700  Rubus parviflorus G. M. Riegel 1980-7-15 892 Modoc South Warner Mtns. 1670 Comment
  HSC17566  Rumex acetosella M. T. Milligan 1965-6-23 289 Modoc N end of Jess Valley 1616 Comment
  CAS-BOT-BC211340  Rumex crispus Bruce Bartholomew 1991-7-6 5964 Modoc Ash Creek Bird Santuary, 0.2 km N of Lassen County line on Modoc County Road 87A. 1260 Comment
  JEPS127307  Rumex crispus Lowell Ahart, John Dittes 2016-7-14 21192 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
  UC1191270  Rumex maritimus Herbert L. Mason 1947-8-13 13517 Modoc n of Canby (ne side of F reservoir) Comment
  HSC17596  Rumex occidentalis M. T. Milligan 1966-8-11 647 Modoc E of Jess Valley 1768 Comment
  UC1101220  Rumex salicifolius var. lacustris Herbert L. Mason 1947-8-15 13556 Modoc e of Goose Lake (on Willow Ranch); Mouth of Crane Creek Comment
  CAS-BOT-BC95282  Sagina saginoides Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10630 Modoc East Creek, about 1 mi. E of Patterson Ranger Station. 2164 Comment
  UC935795  Sagittaria cuneata Herbert L. Mason and Verne Grant 1947-7-12 13413 Modoc irrigation ditch near s end of west side road Pit River Valley s Alturas; Pit River Valley Comment
  SEINET11763433  Sagittaria latifolia E. I. Applegate 1929-1 6094 Modoc Clear Lake Dam, Clear Lake Comment
  UC492373  Salix boothii Frances D. Payne 1932-7-21 728 b Modoc e Alturas (marsh s of Mosquito Lake); Warner Mts., e side Mt. Warren (Buck Mt.) Comment
  CAS-BOT-BC225759  Salix eastwoodiae Francis Dorris Payne 1931-7-8 177 Modoc Pine Creek Basin ca. 33 km SE of Alturas, Warner Mountains 2280 Comment
  RSA0030856  Salix exigua H. P. Bracelin 1931-6-30 501 Modoc Alturas. 1360 Comment
  SD889  Salix exigua var. hindsiana Mrs. H. P. Bracelin 1931-6-30 501 Modoc Alturas, in a willow thicket at southwest end of town 1360 Comment
  CAS-BOT-BC229684  Salix lasiandra subsp. caudata Louis Cutter Wheeler 1935-8-3 3772 Modoc Pine Creek, Warner Mts. 1554 Comment
  CAS-BOT-BC229685  Salix lasiandra subsp. caudata F. Angwin 1946-5-23 s.n. Modoc Ash Creek, Adin. 1371 Comment
  CAS-BOT-BC229688  Salix lasiandra subsp. caudata H. Paul Arnaud 1967-8-12 s.n. Modoc Cedar Pass Campground. Comment
  UC437296  Salix lasiandra subsp. lasiandra Belknap C. Goldsmith 1911-5-21 24 Modoc e. shore Goose Lake; Modoc Nat'l Forest Comment
  UC437345  Salix lasiandra var. caudata W. P. Taylor and H. C. Bryant 1910-1 Modoc Parker Creek Warner Mts., Parker Creek 1676 Comment
  NY187673  Salix lasiandra var. lancifolia N. F. Bracelin 1931-6-30 498 Modoc Parker Creek, 20 km east of Alturas 1560 Comment
  CAS-BOT-BC197556  Salix lasiandra var. lasiandra Elmer Ivan Applegate 1936-5-17 10305 Modoc Lava Beds National Monument. Gillams Camp, shore line of Tuyle Lake. Comment
  CAS-BOT-BC197557  Salix lasiandra var. lasiandra Elmer Ivan Applegate 1936-5-17 10305 Modoc Lava Beds National Monument. Gillams Camp, shore line of Tuyle Lake. Comment
  CAS-BOT-BC197561  Salix lasiandra var. lasiandra Elmer Ivan Applegate 1929-6-29 6093 Modoc N side of Clear Lake. Comment
  NY187872  Salix lasiolepis N. F. Bracelin 1931-6-30 492 Modoc Parker Creek, 20 km E of Alturas, meadow south of Payne Ranch 2560 Comment
  SBBG57850  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-29 487 Modoc halfway between Adin and Canby 1350 Comment
  CAS-BOT-BC229671  Salix lasiolepis var. lasiolepis F. Angwin 1945-10-27 Modoc Ash Creek, Adin. 1371 Comment
  CAS-BOT-BC229662  Salix lemmonii H. P. Bracelin 1934-6-13 819 Modoc Patterson Mill Rd., E side of Warner Mts., beside Barber Creek. 1524 Comment
  CAS-BOT-BC229696  Salix lemmonii Louis Cutter Wheeler 1935-9-11 3971 Modoc Fletcher Creek, Devil's Garden. 1524 Comment
  CAS-BOT-BC229697  Salix lemmonii Milo Samuel Baker 1893-6-1 s.n. Modoc Big Valley Mts. Comment
  LA208883  Salix lemmonii Frances D. Payne; August 1934 778 Modoc Warner Mountains, Pine Creek Basin 2316 Comment
  UC481852  Salix lemmonii Frances D. Payne 1931-6-25 279 Modoc ca. 33 km. s.e. Alturas; Warner Mts., Pine Creek Basin 2280 Comment
  SEINET10734992  Salix lucida subsp. caudata Andrew Townesmith, Karen M. Meyer 2007-9-15 Townesmith 931 Modoc Modoc National Forest, Warner Mountain Ranger District. Along state route 299, 10.9 miles west of junction with US route 395. At Cedar Pass. T43N R15E S28 SW 1/4. 1928 Comment
  UC5080  Salix melanopsis Mrs. R. M. Austin and Bruce June 1898 2340 Modoc Goose Lake Valley Comment
  NY177718  Salix pseudocordata L. C. Wheeler 1935-8-13 3832 Modoc Warner Mts., Barnes Creek 2286.0 Comment
  CAS-BOT-BC229830  Salix scouleriana Elmer Ivan Applegate 1932-7-15 7619 Modoc North slope of Bidwell Mountain. Comment
  CAS-BOT-BC95561  Salsola tragus E. S. Willits 1939-10-10 162 Modoc Surprise Valley. Comment
  SEINET5343721  Salvia aethiopis M. J. Williams 1984-6-29 84- 70 -1 Modoc North of Alturas on Hwy 395 almost to Oregon border 1433 Comment
  CAS-BOT-BC179249  Salvia dorrii var. dorrii M. M. Hanna; G. Dallas Hanna 1956-6-5 Modoc Cedar Pass. Comment
  CAS-BOT-BC184103  Salvia dorrii var. pilosa Elmer I. Applegate 1935-6-2 9283 Modoc Lava Beds National Monument. Indian Well Ranger Station Comment
  RSA610631  Sambucus racemosa L. C. Wheeler 1935-8-14 3852 Modoc Lily Lake, Pine Creek, Warner Mountains. 2073 Comment
  UC466699  Sanguisorba annua W. P. Taylor and H. C. Bryant 1910-6-26 Modoc Parker Cr.; Warner Mountains, Parker Cr. 1676 Comment
  CAS-BOT-BC95569  Sarcobatus vermiculatus Bruce Bartholomew; Barrett Anderson 1989-6-1 4763 Modoc S end of Goose Lake. 1460 Comment
  UCD126454  Schedonorus arundinaceus L. D. Whitney 1935-7-21 s.n. Modoc Happy Camp. Comment
  UCD126464  Schedonorus arundinaceus J. E. Coke 1932-11-1 s.n. Modoc Modoc County. Comment
  UC1587094  Schoenoplectus americanus G. Schoolcraft 1991-7-24 2188 Modoc Leonard Hot Spring NE of Middle Alkali Lake 1386 Comment
  UC1100763  Scirpus acutus var. occidentalis Verne Grant and Irving Schneider 1947-7-18 8041 Modoc Eastside Canal 5 mi n Bayley's bridge (s of Alturas); , Eastside Canal Comment
  CAS-BOT-BC245121  Scirpus microcarpus Verne Grant; I. Schneider 1947-7-20 8096 Modoc North Fork of Pit River by Dorris bridge, Alturas. Comment
  JEPS119848  Scirpus microcarpus Lowell Ahart, John Dittes 2012-7-12 18365 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
  UC1100835  Scirpus microcarpus Verne Grant and Irving Schneider 1947-7-22 8152 Modoc on dirt road leading to s end Goose Lake one mi nw Highway 395 (headwaters North Fork Pit River); , s end Goose Lake Comment
  POM229943  Scirpus nevadensis L. C. Wheeler 1935-9-4 3944 Modoc McGinty Point, Goose Lake. 1463 Comment
  RSA531331  Scirpus nevadensis Bruce Bartholomew, B. Anderson 1990-7-20 5449 Modoc Margin of Goose Lake at S end of the causeway to McGinty Point. 1440 Comment
  UC1100800  Scirpus pungens Verne Grant, Irving Schneider 1947-7-19 8083 Modoc n Likely (Williams Ranch) Comment
  HSC21135  Scrophularia desertorum M. T. Milligan 1965-6-30 393 Modoc Slopes and ridges E of Jess Valley. 1768 Comment
  UC76191  Scutellaria antirrhinoides Milo S. Baker 1893-1 Modoc Egg Lake Comment
  CAS-BOT-BC179225  Scutellaria nana Mrs. R. G. Paulson 1978-6-24 Modoc Egg Lake. Comment
  CAS-BOT-BC179228  Scutellaria nana B. Bartholomew 1992-5-15 6299 Modoc N end of Suprise Valley, S of Cow Head Lake. Surprise Valley 1600 Comment
  HSC81095  Scutellaria nana G. M. Riegel 1980-7-29 971 Modoc S Warner Mtns. 1739 Comment
  RSA0069319  Scutellaria nana Dean Wm. Taylor 2014-6-10 21484 Modoc Vicinity Mud Lake; County Road 91 (Lookout to Tule Lake) at the junction with Modoc National Forest Road 42N56. 1432 Comment
  RSA0089761  Scutellaria nana Dean Wm. Taylor 2014-6-10 21484 Modoc Vicinity Mud Lake; County Road 91 (Lookout to Tule Lake) at the junciton, Modoc National Forest Road 42N56. 1432 Comment
  UCR40301  Sedum G. R. Ballmer, G. F. Pratt 1985-7-15 s.n. Modoc Warner Mtns., near the summit of Mount Bidwell 2500 Comment
  CAS-BOT-BC95606  Sedum lanceolatum Elmer Ivan Applegate 1932-7-9 7574 Modoc Near summit of Bidwell Mountain, Warner Mts. Comment
  UC205194  Sedum lanceolatum Mrs. M. H. Manning 1907-1 Modoc e side Mt. Bidwell (12 Mile Creek, ne of Modoc Co.); e side Mt. Bidwell, 12 Mile Creek Comment
  JEPS48026  Sedum lanceolatum Frances D. Payne 1931-6-29 284 Modoc trail from Granger Pass to Mt. Warren (Warner Mountains); , trail fr Granger Pass to Mt. Warren 1981 Comment
  SEINET8552536  Sedum stenopetalum M. J. Williams 1962-7-8 s.n. Modoc N of Cedar Pass. 2134 Comment
  CAS-BOT-BC95619  Sedum stenopetalum subsp. stenopetalum Frederick H. Frost 1925-7-13 75 Modoc Summit, Cedar Canyon, Warner Mts. Comment
  CAS-BOT-BC95624  Sedum stenopetalum subsp. stenopetalum Margaret J. Williams 1984-6-30 84- 80 -7 Modoc 6.8 mi. W of Cedarville-Gerlach road. 1981 Comment
  POM204156  Sedum stenopetalum subsp. stenopetalum J. T. Howell 1934-6-11 11980 Modoc Parker Creek, Warner Mts. 1585 Comment
  SD87796  Sedum stenopetalum subsp. stenopetalum Frank W. Peirson 1926-6-25 6866 Modoc Cedarville road, Warner Mountains, west slope. Comment
  HSC28825  Senecio aronicoides D. H. Norris, T. Nelson, S. Dowty 1971-6-22 19337 Modoc Soup Springs Campground Comment
  CAS-BOT-BC50279  Senecio fremontii var. fremontii Bruce Bartholomew 1992-8-8 6363 Modoc Summit Trail at pass on W ridge of Warren Peak, E side of Warner Mountains. 2870 Comment
  RSA0012561  Senecio hydrophilus R. F. Thorne, C. W. Tilforth 1969-9-5 39167 Modoc Modoc National Forest, Warner Mountains, Clear Lake. 1768 Comment
  SDSU490  Senecio hydrophilus D. F. Howe 1966-8-26 4307 Modoc 1.3 miles north of Lassen-Modoc Co. line. 1341 Comment
  UC1192092  Senecio hydrophilus Verne Grant and Irving Schneider 1947-7-23 8165 Modoc near first bridge w of Highway 395 <on> Jones Lane; South Fork of Pit River Comment
  CAS-BOT-BC50295  Senecio integerrimus var. exaltatus Clare Butterworth Hardham 1961-6-18 7588 Modoc Cedar Pass. 1828 Comment
  CHSC67430  Senecio integerrimus var. exaltatus James D. Jokerst 1987-5-13 2867 Modoc Radar Survey Site S of Doublehead Mtn., S of Clear Lake Reservoir, S end of northern sector. 1359 Comment
  HSC81128  Senecio serra G. M. Riegel 1978-7-19 195 Modoc South Warner Mtns. 2100 Comment
  CAS-BOT-BC50268  Senecio serra var. serra Bruce Bartholomew 1989-8-12 5109 Modoc S end of Coyote Creek, ca. 1.5 km SW of Sunflower Knob, S end of Warner Mountains. 2040 Comment
  UC566651  Senecio serra var. serra F. H. Frost 1925-7-12 67 Modoc Stow's Meadow Warner Mountains, , Stow's Meadow (Cedar Canyon) Comment
  CAS-BOT-BC54276  Senecio triangularis Elmer Ivan Applegate 1932-7-31 7978 Modoc Mill Creek Meadow, Warner Mountains Comment
  CAS-BOT-BC225038  Sibbaldia procumbens Bruce Bartholomew 1991-8-6 6080 Modoc N Emerson Lake, E side of Warner Mts. 2370 Comment
  NY53361  Sidalcea oregana K. Paulson 1989-7-18 196 Modoc Vicinity of Granger Creek, E side of Warner Mts. 1914.1 Comment
  CAS-BOT-BC179069  Sidalcea oregana subsp. oregana Roxana Stinchfield Ferris; R. Duthie 1919-6-15 35 Modoc Parker Creek. Comment
  CAS-BOT-BC179074  Sidalcea oregana subsp. oregana Annie Montague Alexander; L. Kellogg 1946-7-7 4924 Modoc Eight Mile Creek. 1752 Comment
  CAS-BOT-BC179081  Sidalcea oregana subsp. oregana John H. Hatton 1911-6-13 78 Modoc Modoc County. 1371 Comment
  JEPS67255  Sidalcea oregana subsp. oregana Frances D. Payne 1931-6-17 165 Modoc s and e Alturas (Parker Creek); Warner Mountains, , s and e of Alturas 1584 Comment
  RSA101358  Sidalcea oregana subsp. oregana R. Weatherby 1955-7-8 1625 Modoc 6 miles N of Ft. Bidwell, Northern Warner Mts. 1738 Comment
  SJSU8542  Sidalcea oregana subsp. oregana J. W. Tilden 1958-6-26 1284 Modoc W side Cedar Pass (between Alturas & Cedarville), Warner Mts 1828 Comment
  CDA36501  Sidalcea oregana subsp. oregana T. C. Fuller 1958-7-8 s.n. Modoc 5 miles south of Davis Creek. 0 Comment
  RSA448575  Sidalcea oregana subsp. oregana Christopher Davidson 1973-5-26 2150 Modoc 1 mile N. of Adin Summit on St Hwy 299, Modoc National Forest 1524 Comment
  UC108854  Sidalcea oregana subsp. oregana Mrs. R. M. Austin 1894-1 310 Modoc Comment
  HSC80893  Sidalcea oregana subsp. spicata G. M. Riegel 1980-7-14 865 Modoc S Warner Mtns. 2100 Comment
  HSC4206  Silene douglasii M. T. Milligan 1966-8-3 627 Modoc W slope of Eagle Peak 2439 Comment
  POM203840  Silene douglasii J. T. Howell 1934-6-11 11958 Modoc Parker Creek, Warner Mts. 1585 Comment
  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
  CAS-BOT-BC95264  Silene menziesii Annie Montague Alexander; L. Kellogg 1946-7-7 4947 Modoc Eight Mile Creek, NE corner of county. 1752 Comment
  CAS-BOT-BC95267  Silene menziesii E. S. Willits 1940-6-9 331 Modoc Fandango Pass. Comment
  HSC4222  Silene menziesii M. T. Milligan 1964-7-4 216 Modoc Lassen Creek above lower campground 1829 Comment
  CAS-BOT-BC95273  Silene oregana Annie Montague Alexander; L. Kellogg 1946-8-9 5139 Modoc Patterson Lake Trail, Warner Mts. Comment
  CDA13477  Sisymbrium altissimum G. F. Hrusa, T. D. Wilfred 1996-7-21 13324 Modoc Modoc Plateau; Adjacent to Pit River at Modoc Co. Rd. 90 bridge. E base of Splawn Mtn. N end of Big Valley. Comment
  CDA3864  Sisymbrium altissimum T. C. Fuller 1958-7-8 1965 Modoc Corporation Ranch, Likely. 0 Comment
  CHSC42161  Sisyrinchium douglasii C. E. Laver 1986-3-26 Modoc Ca. 11.5 mi ne of Alturas and 1 mi sw of Thoms Creek. 1524 Comment
  RSA210837  Sium suave R. F. Thorne, C. W. Tilforth 1969-9-4 39050 Modoc Along N Fork of Pit River, 11.8 miles N of Alturas along Highway 395. 1372 Comment
  UC21379  Sium suave Milo S. Baker 1893-7-24 Modoc Egg Lake Comment
  CAS-BOT-BC15679  Sium suave Verne Grant; I. Schneider 1947-7-19 8062 Modoc Corporaton Ranch, S of Alturas. Comment
  CAS-BOT-BC245438  Solanum dulcamara Bruce Bartholomew 1990-8-3 5612 Modoc 8 km E of Likely on road to Jess Valley. Along S Fork of the Pit River. 1420 Comment
  CHSC99932  Solanum physalifolium var. nitidibaccatum Lowell Ahart; John Dittes 2008-8-25 15297 Modoc On the east 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
  JEPS114782  Solanum triflorum Lowell Ahart, John Dittes 2008-8-25 15329 Modoc On the north bank of Ash Creek, Ash Creek State Wildlife Area, 4500 feet south of County Road 87, 2.7 miles (air) west of Adin, 9.1 miles (air) northeast of Bieber 1271 Comment
  RSA2865  Solanum triflorum Carl B. Wolf 1931-9-5 2399 Modoc Roadside, on grade from Lake City-Fort Bidwell Road - to Davis Creek. (3 miles above east base) Warner Mtns. 1677 Comment
  CAS-BOT-BC245434  Solanum umbelliferum Bruce Bartholomew 1993-6-12 6582 Modoc Road to Day Rock from Little Hot Spring Valley. 1250 Comment
  CAS-BOT-BC245435  Solanum umbelliferum Milo Samuel Baker; Franklin P. Nutting 1894-6-8 s.n. Modoc Little Hot Spring Valley. Comment
  SEINET3167750  Solidago elongata J. C. Semple, B. A. Suripto 1990-8-11 9295 Modoc NE of Altura, flood plain of N. Fork Railroad by US-395, approx. 2 km S of Joseph Creek Rd. Comment
  UC36236  Solidago elongata Milo S. Baker 1893-6 Modoc Comment
  SEINET3873680  Solidago spectabilis John C. Semple, T. Ahmed; B. A. Suripto 1990-8-12 9299 Modoc Ca-299, 12.5 km W of Alturas, straight N of Rattle Snake Butte.; 0 Comment
  CAS-BOT-BC54290  Sonchus asper subsp. asper Bruce Bartholomew 1993-6-13 6646 Modoc Vicinity of hot spring, ca. 0.6 km NE of Leonard Hot Spring, E side of Surprise Valley. 1430 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
  CAS-BOT-BC242257  Sparganium emersum Verne Grant; I. Schneider 1947-7-18 8057 Modoc S loop of E side road in Pit River Valley S of Alturas. Comment
  CHSC111410  Sparganium emersum Lowell Ahart; John Dittes 2012-7-10 18326 Modoc East of the fence, 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
  UC71760  Sphenosciadium capitellatum Mrs. M. H. Manning August, 1903 199 Modoc Mill Canyon; north-eastern Modoc County Comment
  UC466743  Spiraea douglasii Franklin P. Nutting Modoc near Lookout (Big Valley); Big Valley Comment
  JEPS404  Spirodela polyrhiza W. L. Jepson 1918-8-5 7822 Modoc South Fork Valley 1371 Comment
  HSC1957  Stachys rigida var. rigida M. T. Milligan 1966-6-30 500 Modoc Slopes and ridges E of Jess Valley 1768 Comment
  CAS-BOT-BC95286  Stellaria calycantha Francis Dorris Payne 1935-7-19 786 Modoc Parker Creek at mouth of Dry Creek. Comment
  CAS-BOT-BC95300  Stellaria obtusa Francis Dorris Payne 1932-7-14 682 Modoc Parker Creek Canyon. 1706 Comment
  CAS-BOT-BC54254  Stenotus acaulis Bruce Bartholomew 1991-8-5 6068 Modoc Summit Trail between Squaw Peak and Cottenwood Lake along crest of Warner Mts. 2530 Comment
  CAS-BOT-BC54257  Stenotus acaulis Annie Montague Alexander; L. Kellogg 1946-8-9 5138 Modoc Patterson Lake Trail, Warner Mts. Comment
  CAS-BOT-BC54297  Stenotus acaulis Bruce Bartholomew; Barrett Anderson 1990-7-20 5476 Modoc 10.3 km N of Buck Creek Ranger Station, crest of Warner Mountains W side of Warner Mts. 2130 Comment
  SEINET11262516  Stephanomeria lactucina Richard R. Halse 2006-8-4 6998 Modoc Along Patterson Mill Road ca 4 miles southwest of its junction with Surprise Valley Road, east side of southern Warner Mountains.; 0 2097 Comment
  HSC9869  Stipa thurberiana Thomas W. Stark 1967-7-16 85 Modoc 2 mi. S of Lava Beds Natl. Monument, 10 mi. W of the town of Perez 915 Comment
  CAS-BOT-BC95050  Streptanthella longirostris Bruce Bartholomew 1993-6-13 6641 Modoc Consolidated sand dunes just W of Leonard Hot Spring, E side of Surprise Valley. 1410 Comment
  HSC6950  Streptanthus cordatus M. T. Milligan 1967-7-8 662 Modoc W slope of Eagle Peak 2500 Comment
  UC1075762  Streptanthus cordatus Robert J. Weatherby 1955-7-8 1628 Modoc 6 mi n Ft. Bidwell; Warner Mts. 1645 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-BC242261  Stuckenia pectinata Verne Grant; I. Schneider 1947-7-19 8085 Modoc S of Williams ranch house, N of Likely. Comment
  POM313016  Stuckenia pectinata H. L. Mason 1947-8-16 13564 Modoc Stronghold, northern Modoc county. Comment
  CAS-BOT-BC242647  Stuckenia striata Herbert L. Mason 1947-8-15 13540 Modoc Mouth of Crane Creek on Willow Ranch, east side of Goose Lake Comment
  UCD138321  Stuckenia striata Herbert L. Mason 1947-8-15 13540 Modoc Mouth of Crane Creek on Willow Ranch, east side of Goose Lake. Comment
  CDA19012  Suaeda calceoliformis Smith 2000-8-3 PDR 1151602 Modoc Modoc Plateau; Vicinity of Alturas. 0 Comment
  UCD99560  Suaeda calceoliformis Elmer Harris 1931-7-29 2242 Modoc Willow Ranch. Comment
  CAS-BOT-BC95578  Suaeda nigra Bruce Bartholomew 1989-8-11 5084 Modoc 4.8 km E of Eagleville, Surprise Valley, between Middle and Lower Alkali lakes. 1400 Comment
  CAS-BOT-BC180101  Swertia albicaulis var. albicaulis John Thomas Howell 1934-6-30 12294 Modoc Duncan Horse Camp. 1355 Comment
  CHSC111994  Swertia radiata B. Castro; L. P. Janeway 2008-8-17 1749 Modoc Warner Mountains. North slope of Bald Mountain; mid-slope near upper edge of last row of trees. 2308 Comment
  CAS-BOT-BC95188  Symphoricarpos rotundifolius var. rotundifolius Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10537 Modoc Warner Mountains, Modoc National Forest, Patterson Ranger Station (East Creek drainage). 2164 Comment
  CAS-BOT-BC95199  Symphoricarpos rotundifolius var. rotundifolius K. Paulson; Robert Paulson 1989-5-21 125 Modoc Boles Creek on County Road 136. 1438 Comment
  CAS-BOT-BC95201  Symphoricarpos rotundifolius var. rotundifolius Bruce Bartholomew 1989-7-15 5014 Modoc Manzanita Lookout, top of Manzanita Mountain. 2130 Comment
  JEPS12666  Symphoricarpos rotundifolius var. rotundifolius W. L. Jepson 1918-8-6 7833 Modoc Davis Creek; Sugar Hill 1524 Comment
  JEPS22822  Symphoricarpos rotundifolius var. rotundifolius F. H. Frost 1925-7-11 30 Modoc 3 mi above Cedarville; Warner Mountains, Cedar Canyon Comment
  JEPS5933  Symphoricarpos rotundifolius var. rotundifolius Frances D. Payne 1929-7-3 38 Modoc s and e of Alturas; Warner Mountains, Parker Creek 1584 Comment
  CAS-BOT-BC5519  Symphoricarpos vaccinioides Mrs. R. M. Austin 1887-1-1 s.n. Modoc unspecified Comment
  JEPS117169  Symphyotrichum ascendens Lowell Ahart, John Dittes 2010-8-30 17053 Modoc Bottom of a small vernal pool, about 10 yards east of the fence, south edge of the meadow, Ash Creek State Wildlife Area, 2300 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley 1267 Comment
  UC71842  Symphyotrichum bracteolatum Mrs. M. H. Manning 1903-8-1 271 Modoc near, (ne Modoc County) Ft. Bidwell Comment
  CHSC112824  Symphyotrichum campestre Lowell Ahart; John Dittes 2013-7-25 18950 Modoc Along the north-south fence, south edge of Ash Creek Floodplain, northwest of Patterson Homestead, east of Elkins Lane, 1.0 mile (air) south of County Road 87, 3.14 miles (air) west of Adin, Big Valley. 1267 Comment
  RSA607285  Symphyotrichum foliaceum var. foliaceum L. C. Wheeler 1935-8-16 3875 Modoc Warner Mountains: Dismal Swamp, Twenty Mile Creek. 2226 Comment
  CHSC115695  Symphyotrichum foliaceum var. parryi L. P. Janeway 2015-8-11 11834 Modoc Warner Mountains. East side of Squaw Peak a little above Squaw Peak Trail. 2483 Comment
  UC71823  Symphyotrichum frondosum Mrs. M. H. Manning 1903-8-1 265 Modoc near, ne Modoc Co Fort Bidwell Comment
  UC711869  Symphyotrichum spathulatum Roxana S. Ferris and Laura Lorraine 1941-8-13 10571 Modoc 1 mi e Patterson Ranger Station; Modoc National Forest, Warner Mountains Comment
  CAS-BOT-BC15169  Symphyotrichum spathulatum var. spathulatum Bruce Bartholomew 1989-8-11 5095 Modoc Vicinity of Patterson Ranger Station, S end of Warner Moutains. 2160 Comment
  CAS-BOT-BC232352  Synthyris missurica Robert Patterson; Mona Bourell 1993-8-14 5230 Modoc Patterson Lake. South Warner Wilderness Area. Warner Mountains. 2743 Comment
  CAS-BOT-BC232363  Synthyris missurica Robert Patterson; Mona Bourell 1993-8-14 5224 Modoc Patterson Lake. South Warner Wilderness Area. Warner Mountains. 2743 Comment
  HSC80742  Synthyris missurica G. M. Riegel 1979-7-23 593 Modoc S Warner Mtns. 1829 Comment
  JEPS120542  Synthyris missurica B. Castro and L. P. Janeway 2012-7-28 1980 Modoc Warner Mountains. Along the major eastern tributary of Pine Creek where the road to Poison Lake crosses it (the road washed out here). Comment
  RSA166254  Synthyris missurica H. Dearing, M. Dearing 1939-6-8 s.n. Modoc Lily Lake, Warner Mountains. 2134 Comment
  CAS-BOT-BC252541  Taeniatherum caput-medusae Bruce Bartholomew; Barrett Anderson 1988-6-23 4220 Modoc 2.1 km SSE of Day on the road to State Highway 299. 1020 Comment
  UCD86103  Taeniatherum caput-medusae Beecher Crampton; with Carl W. Rimbey 1954-7-6 2089 Modoc Porter Ranch, 8 miles east of Alturas. Comment
  UC20479  Taraxia subacaulis Milo S. Baker 1893-7-1 Modoc edge of meadow Comment
  JEPS127308  Taraxia tanacetifolia Lowell Ahart, John Dittes 2016-7-14 21177 Modoc South of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin Big Valley. Comment
  CAS-BOT-BC54228  Tetradymia canescens Annie Montague Alexander; L. Kellogg 1946-7-7 4940 Modoc Eight Mile Creek, NE corner of county 1752 Comment
  CAS-BOT-BC54233  Tetradymia canescens Leland S. Smith 1922-7-12 1268 Modoc Below Barber Field. 1676 Comment
  JEPS20876  Tetradymia canescens W. L. Jepson 1918-8-12 7948 Modoc Jess Valley 1584 Comment
  JEPS38110  Tetradymia canescens W. L. Jepson 1918-8-6 7848 Modoc Surprise Valley 1447 Comment
  UC449665  Tetradymia canescens M. F. Gilman 618 Modoc mountains 1981 Comment
  CAS-BOT-BC217170  Thalictrum fendleri Annie Montague Alexander; L. Kellogg 1946-7-2 4895 Modoc Dismal Swamp, N end of Warner Mts. 2255 Comment
  NY496093  Thalictrum fendleri C. L. Hitchcock 1940-5-27 6704 -a Modoc Along stream; 15 miles northeast of Alturas 1615.4 Comment
  RSA504633  Thalictrum fendleri Bruce Bartholomew 1988-6-24 4319 Modoc Lily Lake, W side of the Warner Mtns. 2130 Comment
  POM143373  Thelypodium howellii M. S. Baker 1894-6-29 s.n. Modoc Big Valley near Lookout Comment
  NY215733  Thelypodium milleflorum B. M. Bartholomew 1989-6-2 4816 Modoc At the SE corner of Upper Alkali Lake, E side of Surprise Valley. 1400 Comment
  SEINET3131787  Thermopsis argentata M. S. Baker 1899-8-14 sn Modoc Forestdale Comment
  SEINET4853764  Thermopsis argentata Milo S. Baker 1894-8-14 s.n. Modoc Big Valley Mountains. Comment
  UC54938  Thermopsis macrophylla var. argentata Milo S. Baker 1899-8-14 Modoc Forestdale (Egg Flat) Comment
  CAS-BOT-BC95083  Thlaspi arvense Leland S. Smith 1919-5-4 1092 Modoc Alturas-Plateau. 1371 Comment
  CAS-BOT-BC66414  Thysanocarpus curvipes B. Bartholomew 1991-5-23 5688 Modoc 0.5 km east of Day on County Road 94. 1050 Comment
  CAS-BOT-BC58701  Tiquilia nuttallii Bruce Bartholomew 1993-6-13 6629 Modoc Near Fortynine Creek, E of Cedarville on E side of Surprise Valley. 1400 Comment
  UCD93229  Torreyochloa pallida var. pauciflora R. Tofsrud 1947-7-1 252 Modoc 5 miles west of Ft. Bidwell. Comment
  SJSU9574  Tragopogon dubius W. Savage 1979-7-3 1324 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  CDA7709  Tragopogon porrifolius T. C. Fuller 1959-7-8 4715 Modoc South of 4th Street, east of East Street, Alturas. 0 Comment
  CAS-BOT-BC179199  Trichostema oblongum Bruce Bartholomew; Barrett Anderson 1988-6-25 4400 A Modoc Ryan Canyon, N of Adin. 1390 Comment
  CHSC99950  Trichostema oblongum Lowell Ahart; John Dittes 2008-8-26 15346 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
  UCD78042  Trichostema oblongum Robert E. Preston 2000-7-18 1402 Modoc 12 mi nw of Canby, n of Hwy 139, 1.7 mi e of Forest Service Rd 44N11, 1490 Comment
  JEPS118253  Trifolium andersonii var. andersonii Lowell Ahart, John Dittes 2011-6-22 17560 Modoc On the east side of the road, about 100 yards north of the Pilot Butte Parking Lot, north edge of Ash Creek Floodplain, 1.1 miles (air) south of County Road 87, 7.7 miles (air) west of Aden [Adin], 10 miles (air) east of Lookout, Big Valley 1264 Comment
  CAS-BOT-BC181790  Trifolium beckwithii E. S. Willits 1940-5-20 277 Modoc Willow Ranch. Comment
  CAS-BOT-BC181779  Trifolium cyathiferum Bruce Bartholomew 1994-7-1 6760 Modoc 11.9 km NW of State Hwy. 299 on road to Dutch Flat. 1400 Comment
  UC100820  Trifolium cyathiferum Milo S. Baker 1893-1 Modoc Forestdale Comment
  RSA582429  Trifolium cyathiferum Louis C. Wheeler 3727 Modoc Dismal Swamp, Twenty-Mile Creek, Warner Mts. 2226 Comment
  UC16472  Trifolium cyathiferum Milo S. Baker 1893-6-10 Modoc Comment
  JEPS33195  Trifolium gymnocarpon var. plummerae L. S. Smith 1917-1 1156 Modoc Mt. Bidwell, E of Cattle Pass 1920 Comment
  CHSC115595  Trifolium hybridum Lowell Ahart; John Dittes 2015-7-16 20365 Modoc North edge of Ash Creek (destroyed), southeast of the gravel pit (destroyed), about 1/8 mile east of the parking area on the east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  CAS-BOT-BC181749  Trifolium longipes Bruce Bartholomew 1991-7-4 5901 Modoc Roney Flat. 1460 Comment
  JEPS33202  Trifolium longipes var. hansenii Frances D. Payne 1931-6-25 253 Modoc 2 mi sw Warren Mtns (Pine Creek Basin) 2316 Comment
  CAS-BOT-BC181728  Trifolium macrocephalum Bruce Bartholomew; Barrett Anderson 1988-5-13 4148 Modoc Along Parker Creek Road, at the border of Modoc National Forest and ca. 16 km WSW of Alturas, side of the Warn 1580 Comment
  CHSC117814  Trifolium macrocephalum L. P. Janeway 2016-5-16 11972 Modoc Modoc Plateau. Devils Garden area; along Road 47N07 1.8 road-km south of Road 181/73/47N09. 1573 Comment
  CHSC118091  Trifolium macrocephalum L. P. Janeway 2016-5-17 12009 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
  SJSU7631  Trifolium macrocephalum H. L. Buckalew 1961-6-23 Modoc near Stowe Reservoir c. 2 mi N of Cedar Pass on Alturas-Cedarville Rd, Warner Mts Comment
  UC1037201  Trifolium macrocephalum Leo Whitney Modoc near Timbered Mountain (Devil's Garden; NE part of county); Modoc National Forest 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-BC180171  Trifolium microcephalum Bruce Bartholomew 1994-7-1 6754 Modoc 11.9 km NW of State Hwy. 299 on road to Dutch Flat. 1400 Comment
  CHSC115603  Trifolium pratense Lowell Ahart; John Dittes 2015-8-16 20365 B Modoc North edge of Ash Creek (destroyed), southeast of the gravel pit (destroyed), about 1/8 mile east of the parking area on the east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  HSC15154  Trifolium pratense M. T. Milligan 1965-6-26 334 Modoc N end Jess Valley 1616 Comment
  CAS-BOT-BC181764  Trifolium productum K. Paulson; Robert Paulson 1988-7-9 72 Modoc Dismal Swamp, Warner Mts.. 2286 Comment