Search Results — 2000 specimen records retrieved (1505 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/).
 Records are made available under the CCH Data Use Terms.

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  UC705690  Abies concolor Marion Ownbey and Fred G. Meyer 1940-7-1 2160 Modoc near Cedar Pass; Warner Mts. Comment
  SEINET5512253  Achillea lanulosa J. C. Beatley 1964-1 Modoc Tule Lake area NTS Herbarium coll. Drainage area: Tule Lake 1829 Comment
  POM203846  Achillea millefolium John T. Howell 1934-6-30 12254 Modoc Duncan Horse Camp. Comment
  UC29233  Achillea millefolium Milo S. Baker 1893-6 Modoc timbered land Comment
  UC469107  Achillea millefolium W. P. Taylor and H. C. Bryant 1910-6-25 Modoc on flats and hillsides Parker Cr.; Warner Mountains 1676 Comment
  UC1025068  Achnatherum Leo Whitney 1935-7-25 3548 Modoc near Lava Ranger Station (7 mi ne of Whitehorse) Comment
  CDA28104  Achnatherum lemmonii L. White & H. T. Osborne 1957-6-27 Modoc 1/4 mile west of Cedar Pass, 3 miles west of Cedarville. Comment
  SEINET201566 Image available Achnatherum lemmonii A. Cronquist, AH Holmgren 1959-6-19 8495 Modoc Along Clear Lake Warner Mts. 15 mi E of Likely 1829 Comment
  UCD50455  Achnatherum lemmonii E. Wilson 1934-5-15 s.n. Modoc About 20 miles west Alturas-Redding Hwy. Comment
  UCD50572  Achnatherum lemmonii August L. Hormay 1932-7-16 s.n. Modoc Modoc National Forest, Crowder Ranger Station. Comment
  UCD50818  Achnatherum nevadense J. C. Hayes 1935-6-25 s.n. Modoc Alturas. Comment
  UCD50854  Achnatherum nevadense L. S. Smith 1918-7-14 993 Modoc Mill Creek, Eagle Pk. Etc. Comment
  UCD50981  Achnatherum occidentale L. Whitney 1935-7-23 s.n. Modoc Near Happy Camp. Comment
  CAS-BOT-BC242318  Achnatherum occidentale subsp. californicum Bruce Bartholomew 1990-8-5 5669 Modoc Summit Trail, ca. 3 km N of Patterson Ranger Station, W side of Warner Mts. 2440 Comment
  RSA0034404  Achnatherum occidentale subsp. californicum L. C. Wheeler 1935-8-3 3752 Modoc Dismal Swamp, Twenty Mile Creek, Warner Mts. 2226 Comment
  UC1037183  Achnatherum occidentale subsp. occidentale Leo Whitney 1935-8-9 3602 Modoc 17 mi nw Canby (Badger Wells; USBE Plot-- MC--8) Comment
  UC1024987  Achnatherum occidentale subsp. pubescens Leo Whitney 1935-7-7 3404 Modoc Spaulding's Butte near Hackamore (ca. 15 mi nw of Canby); Modoc National Forest 1463 Comment
  UC1025058  Achnatherum occidentale subsp. pubescens Leo Whitney 1935-7-29 3574 Modoc ca. 15 mi nw Canby (Hackamore); Modoc National Forest, Hackamore 1463 Comment
  UCD32698  Achnatherum occidentale subsp. pubescens Beecher Crampton 1954-7-6 2114 Modoc Modoc County, Road 56, following Shields Creek into Warner Mountains, 22 miles east of Alturas. Comment
  UCD51218  Achnatherum occidentale subsp. pubescens R. Tofsrud 1947-7-1 244 Modoc 5 mi. W. of Ft. Bidwell. 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
  HSC28308  Acmispon wrangelianus D. H. Norris, T. Nelson, S. Dowty 1971-6-23 19401 Modoc Along Hager Basin Rd. near Big Sage Reservoir. Comment
  CAS-BOT-BC218307  Aconitum columbianum Leland S. Smith 1917-8-3 146 Modoc Davis Creek. 2133 Comment
  CHSC106181  Acroptilon repens Lowell Ahart; John Dittes 2010-8-31 17093 Modoc Just south of the Parking Area west of the old barn, on the west side of Elkins Lane, Ash Creek State Wildlife Area, 320 feet north of Lassen County Line, about 4.4 miles (air) west of Adin, about 7.2 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  CAS-BOT-BC218316  Actaea rubra K. Paulson; Robert Paulson 1990-7-2 208 Modoc Cave Lake, W side of Warner Mts. 1987 Comment
  POM174164  Adenocaulon bicolor Milo S. Baker 1893-1 s.n. Modoc Modoc County Comment
  RSA0055854  Adenocaulon bicolor Doris Bowers 1972-9-2 1894 Modoc Upper Camp, Rush Creek, N/o Adin 1220 Comment
  UC29320  Adenocaulon bicolor Milo S. Baker 1893-6 Modoc along heavily timbered stream Comment
  JEPS124359  Adonis aestivalis Lowell Ahart, John Dittes 2015-7-16 20383 Modoc Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. Comment
  UC2026973  Adonis aestivalis Anthony Baniaga 2011-6-10 323 Modoc Along Highway 299, ca. 0.25 mi E of County Road 75. Quadangle Comment
  RSA504845  Agastache urticifolia Bruce Bartholomew, B. Anderson 1988-7-21 4459 Modoc Vicinity of Patterson Campground, Southern end of the Warner Mountains. 668 Comment
  CAS-BOT-BC15645  Ageratina occidentalis Bruce Bartholomew; Barrett Anderson 1988-7-22 4479 Modoc Vicinity of East Creak Trailhead, southern end of the Warner Mts. 2210 Comment
  JEPS18576  Ageratina occidentalis F. H. Frost 1925-7-20 91 Modoc 2 mi above Cedarville; Cedar Camp Comment
  UC748089  Ageratina occidentalis Annie M. Alexander and Louise Kellogg 1946-8-9 5146 Modoc Patterson Lake Trail Warner Mountains, Patterson Lake Trail Comment
  CAS-BOT-BC21368  Agoseris aurantiaca var. aurantiaca K. Paulson; Robert Paulson 1989-7-14 178 Modoc Vicinity of Little Lily Lake, ca. 2.5 mi. S of the Oregon border, N end of Warner Mts. 2171 Comment
  CAS-BOT-BC23038  Agoseris grandiflora var. grandiflora B. Bartholomew; B. Anderson 1988-7-22 4484 Modoc Vicinity of East Creek Trailhead, southern end of the Warner Mountains, Emerson Peak 7 1/2' Quad 2210 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
  SJSU9672  Agoseris monticola W. Savage 1979-7-9 1520 Modoc Bowles Meadow, Devils Garden District, Modoc National Forest 1493 Comment
  CAS-BOT-BC126784  Agoseris parviflora Isabel T. Kelly 1930-1-1 58 Modoc unspecified Comment
  CAS-BOT-BC126785  Agoseris parviflora C. L. Hitchcock 1940-5-27 6707 Modoc 15 mi. northeast of Alturas 1676 Comment
  RSA416449  Agoseris parviflora Christopher Davidson 1975-6-4 2614 Modoc 2.5 mi W of Cedarville on Hwy 299. South sloping hillside of rocky basalt and red clay. 1677 Comment
  JEPS73941  Agrostis alba Frances D. Payne 1932-7-18 698 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  UC1037184  Agrostis alba Leo Whitney 1935-7-20 3579 Modoc Alturas Comment
  UC1137065  Agrostis alba August L. Hormay 1932-6-15 Modoc Pease Cabin Modoc National Forest Comment
  UC1037177  Agrostis exarata Leo Whitney 1935-8-11 3623 Modoc dry stream bed near dam (Lake Joaquina, Hackamore, ca 15 mi nw of Canby); Modoc National Forest, Lake Joaquina 1463 Comment
  CHSC115513  Agrostis gigantea Lowell Ahart; John Dittes 2015-7-16 20370 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
  UC188837  Agrostis perennans Milo S. Baker Modoc Forestdale Comment
  UCD53575  Agrostis stolonifera August L. Hormay 1932-7-15 s.n. Modoc Modoc National Forest, Crowder Ranger Station. Comment
  UCD53576  Agrostis stolonifera August L. Hormay 1932-7-15 s.n. Modoc Pease Cabin, Modoc National Forest. Comment
  CHSC30527  Agrostis variabilis N. E. H. Prouty 1979-8-4 95 .2 Modoc SW corner of Medicine Lake. 2011 Comment
  CAS-BOT-BC190687  Aliciella lottiae Bruce Bartholomew; Barrett Anderson 1989-6-2 4837 Modoc 6.4 km E of Eagleville on the road to the California state border, E side of Surprise Valley. 1550 Comment
  UC1536804  Alisma plantago-aquatica Gordon H. True Jr. 1939-7-21 1939 Modoc n of Canby; Jack Swamp 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
  CAS-BOT-BC245005  Allium acuminatum K. Paulson; Robert Paulson 1989-6-14 137 Modoc Junction of Hwy 299 and Hwy 395 at turn off to Cedar Pass. 1371 Comment
  CAS-BOT-BC245021  Allium acuminatum John Thomas Howell 1934-6-11 11956 Modoc Parker Creek. 1584 Comment
  HSC2917  Allium acuminatum M. T. Milligan 1965-6-27 379 Modoc N end Jess Valley 1616 Comment
  JEPS78241  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
  POM110315  Allium acuminatum Mrs. R. M. Austin 1895-07 499 Modoc Goose Lake Valley. 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
  UC3051  Allium acuminatum Mrs. R. M. Austin June, 1898 2282 Modoc Goose Lake valley Comment
  JEPS47577  Allium acuminatum F. H. Frost 1925-7-12 65 Modoc Stow's Meadow Cedar Canyon, Stow's Meadow Comment
  RSA123173  Allium acuminatum R. C. Wilson 1933-6-25 53 Modoc Rush Creek. 1448 Comment
  SEINET8111980  Allium acuminatum M. J. Williams 1984-1 Modoc Comment
  CAS-BOT-BC244994  Allium bisceptrum var. bisceptrum Bruce Bartholomew; Barrett Anderson 1988-6-24 4351 Modoc South Barber Creek, 6.3 km SW of County Road 1 on County Road 42, E side of the Warner Mts.. 1790 Comment
  CAS-BOT-BC244995  Allium bisceptrum var. bisceptrum Leland S. Smith 1920-7-31 1190 Modoc Patterson Mill. 2133 Comment
  JEPS47629  Allium bisceptrum var. bisceptrum L. S. Smith 1843-1 Modoc Cottonwood Pass Warner Mts., Cottonwood Pass 2133 Comment
  SEINET12048095  Allium campanulatum Unknown 1945-1 s.n. Modoc grown at Pullman, WA, Cedar Pass to Cedar Peak, Warner Mts Comment
  UCR76968  Allium parvum George K. Helmkamp 1993-5-4 s.n. Modoc 25.6 miles NW of Canby along Calif. Hwy 139 1280 Comment
  JEPS2720 Image available Allium parvum E. H. Steffen 1917-6-10 43 Modoc Jess Valley Warner Mts.; Jess Valley, Modoc Co. 1524 Comment
  RSA335886  Allium parvum D. W. McNeal 1979-5-13 2225 Modoc Beside highway 395, 15.8 miles south of the junction of highway 299 in Alturas. Comment
  SEINET222584  Allium parvum D. W. McNeal 1979-5-13 2225 Modoc Beside Hwy # 395, 15.8 mi S. of te Jct. of Hwy #299 in Alturas. Comment
  CAS-BOT-BC244964  Allium platycaule Gordon H. True 1964-6-3 1456 Modoc N Fork of Pit River between Alturas and Goose Lake. 1432 Comment
  CAS-BOT-BC244965  Allium platycaule Mrs. H. C. Cantelow 1940-6-1 3897 Modoc E of Alturas. Comment
  CAS-BOT-BC244973  Allium platycaule E. H. Steffen 1917-7-10 74 Modoc Bowman Ranch. 1828 Comment
  CHSC63942  Allium platycaule Marion Ownbey; Fred G. Meyer 1940-7-1 2145 Modoc Cedar Peak, Warner Mts. Comment
  UC1249381  Allium platycaule Arthur Cronquist, Arthur H. Holmgren 1959-6-20 8523 Modoc between Cedarville and Alturas; Warner Mts., Cedarville Pass 1950 Comment
  UC1540228  Allium platycaule Dean Wm. Taylor, Glenn L. Clifton 1987-6-27 9101 Modoc along Highway 395 about 3.5 mi n n junction with Highway 299 1371 Comment
  UC635212  Allium platycaule R. C. Wilson 1933-5-30 93 Modoc Rush Creek 1432 Comment
  JEPS47618  Allium platycaule L. S. Smith 1919-6-8 1123 Modoc Deep Creek Warner Mts., Deep Creek 1554 Comment
  RSA304134  Allium platycaule James R. Shevock 1972-5-20 1807 Modoc West of Alturas, highway 299. 1372 Comment
  SEINET12048282  Allium platycaule M. Ownbey, Meyer, F. G. 1940-1 2145 Modoc Cedar Peak, Warner Mts Comment
  SEINET8191569  Allium platycaule M. J. Williams 1984-6-28 84- 69 -1 Modoc End of Soldier Creek Road. 2073 Comment
  CAS-BOT-BC244953  Allium tolmiei var. tolmiei K. Paulson; Robert Paulson 1990-6-21 205 Modoc N of Stough Reservoir, E side of Warner Mts. 1950 Comment
  CHSC117801  Allium tolmiei var. tolmiei L. P. Janeway 2016-5-16 11971 Modoc Modoc Plateu. Devil's Garden area; along Road 47N07 1.8 road-km south of Road 181/73/47N09. 1573 Comment
  HSC8877  Alopecurus aequalis M. T. Milligan 1964-7-25 171 Modoc Pine Creek Basin, along trail. 2439 Comment
  UC1100229  Alopecurus aequalis Verne Grant and Irving Schneider 1947-7-19 8082 Modoc Williams Ranch n. of Likely Comment
  UCD55820  Alopecurus aequalis A. A. Beetle 1944-8-15 3024 Modoc 4 miles north of Lookout. Comment
  UCD55835  Alopecurus aequalis Beecher Crampton; Carl Rimbey 1954-7-8 2173 Modoc 15 miles east of Likeley, Warner Mountains, floor of Jess Valley. Comment
  CAS-BOT-BC242340  Alopecurus geniculatus Bruce Bartholomew; Barrett Anderson 1990-7-19 5407 Modoc Turner Creek at County Rd 90, N end of Big Valley, 6.4 km N of Lassen County border. 1230 Comment
  CAS-BOT-BC242341  Alopecurus geniculatus Bruce Bartholomew; Barrett Anderson 1988-6-23 4254 Modoc 4.2 km NW of Day. 1020 Comment
  UC1142954  Alopecurus geniculatus A. L. Hormay 1941-6-23 36 Modoc Spaulding Reservoir Modoc Nat'l Forest, Spaulding Reservoir 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
  SEINET8075446  Alyssum simplex Noel H. Holmgren, Patricia K. Holmgren 1998-5-30 12993 Modoc Surprise Valley, Fort Bidwell-Cedarville road, 1.8 km (1.1 mi) south of the Fandango Pas road and 31.2 km (19.4 mi) north of downtown Cedarville.; 0 1370 Comment
  UC1584001  Alyssum simplex G. Schoolcraft 1990-6-6 2078 Modoc about 10 mi n of Alturas (near Joseph Creek) 1447 Comment
  CHSC117368  Amaranthus albus Lowell Ahart; John Dittes 2016-7-14 21182 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-BC21494  Amaranthus blitoides Bruce Bartholomew; Barrett Anderson 1990-7-21 5555 Modoc W edge of Middle Alkali Lake, directly E of Cedarville, Surprise Valley. 1370 Comment
  SEINET7903489  Amaranthus blitoides R. R. Halse 2010-9-2 8110 Modoc Warner Mountains; Modoc National Forest; along State Hwy. 299 ca 2.8 miles west of Cedarville by the Cedar Creek Lower Trailhead. 1619 Comment
  POM229957  Amaranthus californicus L. C. Wheeler 1935-8-18 3891 Modoc 2 miles northeast of Alturas 1357 Comment
  CDA13478  Amaranthus powellii G. F. Hrusa, T. D. Wilfred 1996-7-21 13325 Modoc Modoc Plateau; Adjacent to Pit River at Modoc Co. Rd. 90 bridge. E base of Splawn Mtn. N end of Big Valley. Comment
  CDA34231  Amaranthus powellii L. Ahart, J. Dittes 2010-8-31 17107 Modoc On the west side of Elkins Lane, about 100 yards north of the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. Comment
  CHSC99903  Amaranthus powellii Lowell Ahart; John Dittes 2008-8-25 15290 Modoc On the west bank of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout. 1273 Comment
  JEPS114664  Amaranthus powellii Lowell Ahart, John Dittes 2008-8-25 15290 Modoc On the west bank of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout 1273 Comment
  CAS-BOT-BC217089  Amelanchier utahensis Doris K. Kildale 1927-9-11 2786 Modoc Near Alturas. 1371 Comment
  CAS-BOT-BC217097  Amelanchier utahensis Elmer Ivan Applegate 1929-6-25 5901 Modoc Cottonwood Creek, E side of Goose Lake. Comment
  CAS-BOT-BC248336  Amelanchier utahensis B. Bartholomew; H. Sun 2002-6-24 8816 Modoc Ridge top just S of Manzanita Mt. and 15.3 straight line km NW of Aden 2070 Comment
  CHSC99962  Amelanchier utahensis Lowell Ahart; John Dittes 2008-8-26 15349 Modoc Northwest side of Rose Creek, 750 feet northeast 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
  JEPS114429  Amelanchier utahensis Lowell Ahart, John Dittes 2008-8-26 15349 Modoc Northwest side of Rose Creek, 750 feet northeast 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
  JEPS45141  Amelanchier utahensis W. L. Jepson 1918-8-6 7838 Modoc Summit of Fandango Pass; Warner Mts. 1859 Comment
  UC567119  Amelanchier utahensis R. C. Wilson 1933-6-4 36 Modoc Rush Creek; Canby Quad. 1463 Comment
  CHSC112818  Amsinckia menziesii Lowell Ahart; John Dittes 2013-7-25 18952 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
  CHSC117050  Amsinckia menziesii Lowell Ahart; John Dittes 2016-6-6 20942 Modoc About 20 yards west of the dirt road, about 50 yards southwest of the intersection of County Road 87 and Access Road to Pilot Butte Parking Area, northeast base of Pilot Butte, 3.8 miles (air) east of Lookout, 7.5 miles (air) west of Adin, Ash Creek State Wildlife Area. 1271 Comment
  CHSC85172  Amsinckia menziesii John Dittes; Josephine Guardino 1991-7-21 393 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
  JEPS121202  Amsinckia menziesii Lowell Ahart, John Dittes 2013-7-25 18952 Modoc 30 yards N of the E-W fence, south edge of Ash Creek Floodplain, NE of Patterson Homestead, E of Elkins Lane, 1.0 air miles S of County Road 87, 3.14 air miles W of Adin, Big Valley. Comment
  RSA0089940  Amsinckia menziesii Verne Grant, Irving Schneider 1947-7-18 8044 Modoc Eastside Canal, 5 miles north of Bayley s bridge, south of Alturas. Comment
  CAS-BOT-BC54165  Amsinckia tessellata var. tessellata Alice Eastwood; John Thomas Howell 1940-6-14 8203 Modoc Near Kelly Hot Spring. Comment
  CAS-BOT-BC54167  Amsinckia tessellata var. tessellata Elmer Ivan Applegate 1897-5-31 883 Modoc Bloody Point, Tule Lake. Comment
  UC1035989  Amsinckia tessellata var. tessellata Helen K. Sharsmith 1955-6-22 4502 Modoc just outside w boundary of Modoc National Forest (w slope Warner Mountains, West Valley resevoir); Warner Mountains, West Valley 1524 Comment
  CHSC30587  Anemone drummondii P. V. Caldwell 1972-7-13 298 Modoc On the west slope at Patterson Lake in the Warner Mtns. Comment
  CAS-BOT-BC15611  Antennaria argentea M. M. Hanna 1956-6-7 s.n. Modoc Hwy 139 between Canby and Tienesta. Comment
  SEINET6735045 Image available Antennaria argentea M. S. Baker 1893-1 s.n. Modoc Egg Lake Comment
  POM203063  Antennaria geyeri J. T. Howell 1934-6-30 12255 Modoc Duncan Horse Camp. Comment
  JEPS14940  Antennaria geyeri L. S. Smith 1924-1-1 1407 Modoc Comment
  UC29493  Antennaria geyeri Mrs. R. M. Austin Jun 1894 Modoc near Willow Creek Comment
Read comments
Jul 6 2010
  HSC26517  Antennaria luzuloides J. P. Smith, J. O. Sawyer 1972-5-6 5246 Modoc County Rd. 86, just E of Adin. 1098 Comment
  UC485489  Antennaria luzuloides Mrs. R. M. Austin May 1894 38 Modoc Goose Lake Valley Comment
  JEPS5986  Antennaria rosea Frances D. Payne 1932-6-26 608 Modoc high ridges n of; Warner Mountains, Parker Creek 1828 Comment
  UC190692  Antennaria rosea M. F. Gilman 646 Modoc 1676 Comment
  CAS-BOT-BC242413  Apera interrupta Bruce Bartholomew 1991-7-5 5928 Modoc Vicinity of Cow Head Spring between Dorris Bothers Reservoir and Cow Head Tank. 1510 Comment
  CHSC54186  Aphyllon purpureum Vernon H. Oswald 1991-5-28 4630 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
  CAS-BOT-BC15690  Apocynum androsaemifolium Annie Montague Alexander; L. Kellogg 1946-7-17 4997 Modoc Cedar Pass. Comment
  CAS-BOT-BC15693  Apocynum androsaemifolium Leland S. Smith 1924-6-15 1401 Modoc Vicinity of Lava Ranger Station. 1310 Comment
  JEPS60393  Aquilegia formosa Frances D. Payne 1929-7-7 48 Modoc 2 mi sw Mt. Warren; Pine Creek Basin 2133 Comment
  UC9011  Aquilegia formosa Milo S. Baker 1893-6-29 Modoc Comment
  CAS-BOT-BC218337  Aquilegia formosa var. formosa Roxana Stinchfield Ferris; R. Duthie 1919-6-14 21 Modoc Along Parker Creek, Modoc Nat. Forest Boundary. Comment
  HSC81078  Arabis drummondii G. M. Riegel 1980-8-11 1026 Modoc S Warner Mtns. 2100 Comment
  HSC40068  Arabis lemmonii J. P. Smith, J. O. Sawyer 1973-8-8 7216 Modoc Near summit of Eagle Peak 2988 Comment
  SEINET5340682  Arabis puberula R. C. Rollins, K. W. Rollins 1981-6-1 81192 Modoc Warner Mountains, 3.3 miles west of Lake City. Comment
  NY119625  Arabis subpinnatifida B. M. Bartholomew 1988-5-13 4177 Modoc Juniper Flats, 10 km E of Likely on road to Jess Valley, W side of the Warner Mtns. 1450 Comment
  UC962135  Arabis suffrutescens Annie M. Alexander and Louise Kellogg 1946-7-23 5054 Modoc ne slope Emerson Peak; Warner Mountains Comment
  UC1078870  Arceuthobium campylopodum Job Kuijt 1957-7-5 1397 Modoc campgrounds, Cedar Pass Warner Mtns Comment
  CAS-BOT-BC95643  Arctostaphylos nevadensis Annie Montague Alexander; L. Kellogg 1946-6-25 4828 Modoc Dismal Swamp. 2255 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-BC95648  Arctostaphylos nevadensis Bruce Bartholomew 1995-7-31 7103 Modoc E side of the Warner Mts. near crest and just N of the headwaters of the S fork of Davis Creek. 2320 Comment
  UC711815  Arenaria congesta var. congesta Roxana S. Ferris and Laura Lorraine 1941-8-14 10589 Modoc 3 mi Patterson Ranger Station (on road to Eagleville); Modoc National Forest, Warner Mountains Comment
  UCR34674  Arenaria rubella J. A. Harpel 1981-8-6 V 11 Modoc Warner Mtns, South Warner Wilderness Area: E end of Patterson Lake, 7 mi NW of Eagleville 2744 Comment
  POM229218  Aristida oligantha L. C. Wheeler 1935-9-6 3959 Modoc Fletcher Creek at Pease Place. Devil's Garden. 1524 Comment
  JEPS35884  Arnica Leland S. Smith c. 1918 1076 Modoc Modoc National Forest Comment
  HSC4702  Arnica chamissonis M. T. Milligan 1966-7-3 543 Modoc E of Jess Valley 1982 Comment
  CAS-BOT-BC15407  Arnica cordifolia C. L. Hitchcock 1940-5-27 6702 Modoc 15 mi. NE of Alturas. 1676 Comment
  CAS-BOT-BC15410  Arnica cordifolia Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-13 16457 Modoc Near summit of Fandango Pass. Comment
  CAS-BOT-BC15416  Arnica cordifolia K. Paulson; Robert Paulson 1989-6-21 144 Modoc Pine Creek Basin, W side of the Warner Mts. 2109 Comment
  CAS-BOT-BC15418  Arnica cordifolia James T. Vale; K. Wagnon; Walter Knight; Irja Knight 1981-5-22 4113 Modoc 10 mi. E of Alturas on County Road 56 at Parker Creek. Comment
  CAS-BOT-BC15419  Arnica cordifolia John Thomas Howell 1934-6-11 11971 Modoc Parker Creek, Warner Mountains 1584 Comment
  UCR267415  Arnica cordifolia Jim Andre, Glenn L. Clifton 1993-6-12 29993 Modoc Warner Mountains, Cedar Pass, Hwy 299, Modoc National Forest 1919 Comment
  HSC4691  Arnica cordifolia M. T. Milligan 1965-6-27 366 Modoc E slope of eroded volcanic plateau. 1677 Comment
  RSA152449  Arnica cordifolia I. L. Wiggins, Dorothy Wiggins 1961-6-13 16457 Modoc Near summit of Fandango Pass, Warner Mts. Comment
  UC29602  Arnica cordifolia Milo S. Baker 1893-6 Modoc Comment
  CAS-BOT-BC15422  Arnica discoidea Bruce Bartholomew; Barrett Anderson 1988-7-21 4415 Modoc Whitehorse Mts., 11 km N of Day on the road to Whitehorse Flat Reservoir. 1340 Comment
  CHSC118093  Arnica fulgens L. P. Janeway 2016-5-18 12074 Modoc Modoc Plateau. Devils Garden area; Island Meadow, along Road 47N08 2.1 road-km north of Road 73/181/47N09. 1606 Comment
  CAS-BOT-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-BC15293  Arnica mollis Bruce Bartholomew 1990-8-5 5677 Modoc Summit Trail, ca. 4 km N of Patterson Ranger Station, W side of Warner Mts. 2470 Comment
  JEPS35913  Arnica mollis L. S. Smith 1917-8-3 147 Modoc South Fork Davis Creek Modoc National Forest, South Fork Davis Creek 2042 Comment
  POM229876  Arnica mollis L. C. Wheeler 1935-8-14 3855 Modoc Lily Lake, Pine Creek, Warner Mts. 2134 Comment
  RSA520502  Arnica mollis Bruce Bartholomew 1989-8-11 5063 Modoc Along Lassen Creek near SE side of Harris Flat, Warner Mts. 1920 Comment
  CAS-BOT-BC15252  Arnica sororia Francis Dorris Payne 1932-6-26 606 Modoc Parker Creek. 1828 Comment
  CAS-BOT-BC15296  Arnica sororia Roxana Stinchfield Ferris; R. Duthie 1919-6-15 143 Modoc Along Parker Creek below Modoc National Forest boundary. Comment
  CAS-BOT-BC15298  Arnica sororia Annie Montague Alexander; L. Kellogg 1946-6-14 4748 Modoc 0.25 mi. on branch of Silver Creek, Patterson Mill Road. 1828 Comment
  CHSC109449  Artemisia arbuscula B. Castro; L. P. Janeway 2012-7-24 1955 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. 2356 Comment
  JEPS121748  Artemisia arbuscula subsp. arbuscula L. P. Janeway, B. Castro 2014-6-2 11286 Modoc Great Basin. Along County Road 5 1.0 km west of the southwest corner of Cow Head Lake. Comment
  JEPS37038  Artemisia arbuscula subsp. arbuscula L. S. Smith 1918-8-27 1054 1/2 Modoc Cottonwood and Milk Creek Modoc National Forest 2438 Comment
  SEINET6775327 Image available Artemisia cana subsp. bolanderi R. R. Halse 2006-8-4 6995 Modoc Modoc National Forest, Patterson Station Campground, about 15 air miles east of Likely, south end of the Warner Mountains 2109 Comment
  CHSC112756  Artemisia douglasiana Lowell Ahart; John Dittes 2013-7-24 18935 Modoc South bank of Ash Creek Canal, south of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. 1268 Comment
  POM229967  Artemisia ludoviciana subsp. candicans L. C. Wheeler 1935-8-14 3848 Modoc Sunny lake shore above high water line Lily Lake, Pine Creek, Warner Mts. 2073 Comment
  UCD129331  Artemisia ludoviciana subsp. incompta K. L. Chambers; Ron Tyrl 1965-9-22 2432 Modoc Cedar Pass, Warner Mountains. Northern portion of the state. 1920 Comment
  CHSC105977  Artemisia ludoviciana subsp. ludoviciana Lowell Ahart; John Dittes 2010-8-30 17050 Modoc High bank of a small wash, 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
  RSA767674  Artemisia ludoviciana subsp. ludoviciana L. Ahart, John Dittes 2010-8-30 17051 Modoc North side of a small wash, about 10-15 yards west of the fence, south edge of the meadow, Ash Creek State Wildlife Area, 2300 feet north of Lassen County Line, about 3.6 air miles west of Adin, about 8 air miles northeast of Bieber, Big Valley. 1268 Comment
  UC217079  Artemisia nova H. M. Hall 1921-9-10 11672 Modoc 24 mi s Alturas Comment
Read comments
Jul 23 2013
  SD96119  Artemisia nova Jack L. Reveal 1976-6-2 1841 Modoc 10 miles north of Canby. Comment
  CAS-BOT-BC15211  Artemisia tridentata subsp. tridentata Roxana Stinchfield Ferris; R. Duthie 1919-6-14 120 Modoc Parker Creek at Modoc National Forest boundary. Comment
  SEINET3397750  Artemisia tridentata subsp. tridentata Unknown 1994-1 s.n. Modoc 1 mi. S. of Alturas Comment
  UCR138446  Artemisia tridentata subsp. vaseyana David A. Charlet 1989-8-15 521 Modoc Warner Mountains; 1.2 km NW of Eagle Peak 2550 Comment
  CAS-BOT-BC15698  Asclepias cordifolia Elmer Ivan Applegate 1897-5-31 850 Modoc 15 mi. SE of Dry Lake on road to Alturas. Comment
  CHSC19724  Asclepias cordifolia J. Grove; S. Grove 1973-6-8 101 Modoc Gooch Mill Site, Dayla. 1005 Comment
  HSC1978  Asclepias cordifolia M. T. Milligan 1965-6-30 392 Modoc E of Jess Valley 1677 Comment
  CAS-BOT-BC15652  Asclepias cordifolia Leland S. Smith 1398 Modoc Modoc County. Comment
  HSC80946  Asclepias cordifolia G. M. Riegel 1980-7-9 861 Modoc S Warner Mtns. 1670 Comment
  CAS-BOT-BC15662  Asclepias fascicularis Bruce Bartholomew 1989-8-10 5042 Modoc Little Hot Spring Valley, 3.9 km NW of Day. 1070 Comment
  CDA9743  Asclepias fascicularis Claudia Martin 2007-9-5 PDR# 1291664 Modoc Davis Creek; SW side of Goose Lake, south of Point Ranch. Comment
  CDA39838  Asclepias fascicularis C. B. Greenbank 1974-7-3 s.n. Modoc 3 miles southwest of Newell, Tulelake area. 0 Comment
  POM312625  Asperugo procumbens H. L. Mason, Verne Grant 1947-7-12 13416 Modoc Near south end of west side road, Pit River Valley, south of Alturas. Comment
  POM39757  Aster ascendens Mrs. R. M. Austin 1895-07 s.n. Modoc Goose Lake Valley. Comment
  CDA13470  Aster campestris G. F. Hrusa, T. D. Wilfred 1996-7-21 13317 Modoc Modoc Plateau; Along Pit River at Modoc Co. Rd. 90 bridge. E base of Splawn Mtn. N end of Big Valley. Comment
  UCR74620  Aster eatonii R. D. Goeden, Don W. Ricker 1989-8-23 890823- 25 Modoc Modoc National Forest, South Main Road, near Crowder Flat 1550 Comment
  POM229871  Aster integrifolius L. C. Wheeler 1935-8-16 3888 Modoc Warner Mountains: Dismal Swamp, Twenty Mile Creek. 2226 Comment
  UCR74622  Aster occidentalis R. D. Goeden, J. Teerink 1989-8-23 890823- 15 Modoc Warner Mtns., Modoc National Forest, near east end of Fandango Pass Rd. 1585 Comment
  SJSU13943  Astragalus californicus N. A. Hopkins 1985-5-13 1272 Modoc by rd between Alturas & Cedarville, Warner Mts 1524 Comment
  CAS-BOT-BC178752  Astragalus canadensis var. brevidens Leo Whitney 1934-5-29 1927 Modoc Hackamore 1463 Comment
  CAS-BOT-BC218220  Astragalus curvicarpus var. curvicarpus Bruce Bartholomew 1993-6-14 6674 Modoc Vicinity of Badger Well. 1500 Comment
  CAS-BOT-BC218221  Astragalus curvicarpus var. curvicarpus Elmer Ivan Applegate 1897-5-31 880 Modoc E side of Tule Lake below Bloody Point. Comment
  JEPS120893  Astragalus curvicarpus var. curvicarpus Lowell Ahart, John Dittes, Todd Sloat 2013-6-8 18761 Modoc About 300 yards E of Parking Area, E of the old barn, Ash Creek Wildlife Area, about 3.9 air miles W of Adin, about 7.7 air miles NE of Bieber. Big Valley. Comment
  CAS-BOT-BC182067  Astragalus filipes Francis Dorris Payne 1932-6-22 580 Modoc Parker Creek. 1584 Comment
  CHSC112510  Astragalus filipes L. P. Janeway; B. Castro 2014-6-2 11309 Modoc Great Basin. Along County Road 1, 1.0 km north of the road to the southeast corner of Cow Hed Lake (County Road 5), on the east side of Long Canyon, low in the canyon. 1566 Comment
  JEPS126549  Astragalus filipes Lowell Ahart, John Dittes 2016-6-6 20948 Modoc About 150 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
  UC862720  Astragalus filipes C. L. Hitchcock 1940-5-27 6650 Modoc 9 mi ne Alturas; ne of Alturas 1402 Comment
  CAS-BOT-BC182964  Astragalus filipes Margaret J. Williams 1983-7-31 83- 125 -1 Modoc Ash Valley road, 17 mi from Aden 1828 Comment
  HSC14513  Astragalus filipes R. C. Wunner 1965-6-26 282 Modoc Lava Beds N. M., .1 mi. from Blue Eyes Point by side of road. Comment
  HSC7242  Astragalus filipes R. C. Wunner 1965-6-13 160 Modoc Lava Beds National Monument, Gillems Camp near old dump. 1220 Comment
  NY658503  Astragalus filipes A. A. Heller 1938-6-24 15226 Modoc On U.S. Highway 299, between Alturas and Caby 1341.1 Comment
  RSA31860  Astragalus filipes A. A. Heller 1938-6-24 15226 Modoc U.S. Highway #299, between Alturas and Canby. 1341 Comment
  NY677319  Astragalus obscurus B. M. Bartholomew 1991-5-24 5740 Modoc Near northwest side of Big Mud Lake and 2 km southwest of Nevada State boundary 1680 Comment
  CAS-BOT-BC182037  Astragalus purshii Bruce Bartholomew; Barrett Anderson 1989-4-28 4643 Modoc 6.8 km N of State Highway 299 on road to Raker & Thomas Reservoir. 1400 Comment
  CAS-BOT-BC182039  Astragalus purshii Bruce Bartholomew 1991-6-22 5868 Modoc E side of the Pit River, ca. 2 km S of Joseph Creek. 1410 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
  HSC14532  Astragalus purshii var. lagopinus M. T. Milligan 1966-6-19 468 Modoc Plateau W of Jess Valley 1829 Comment
  RSA245250  Astragalus purshii var. lagopinus M. T. Milligan 1966-6-19 468 Modoc Eroded volcanic plateau west of Jess Valley. 1829 Comment
  CHSC117878  Astragalus purshii var. purshii L. P. Janeway 2016-5-16 11994 Modoc Modoc Plateau. Devils Garden area; along Road 47N07 1.8 road-km south of Road 181/73/47N09. 1573 Comment
  UC71811  Astragalus purshii var. tinctus Mrs. M. H. Manning 1903-5 97 Modoc near Fort Bidwell (north-eastern Modoc County); near Fort Bidwell Comment
  CAS-BOT-BC193033  Astragalus purshii var. tinctus Mrs. H. C. Cantelow 1949-6-11 14 Modoc About 8 miles north of Davis Creek, Hy 395. About 600 ft. above Goose Lake on slope 91 Comment
  SEINET5326796  Astragalus purshii var. tinctus D. Neal 1960-5-16 R- 51 Modoc 5 mi NE of Likely 1402 Comment
  UC13468  Astragalus speirocarpus Mrs. R. M. Austin and Bruce June 1898 2212 Modoc Comment
  HSC81083  Astragalus whitneyi G. M. Riegel 1980-7-14 872 Modoc South Warner Mtn. 1829 Comment
  POM26817  Astragalus whitneyi R. M. Austin 1895-05 31 Modoc Goose Lake Valley. Comment
  NY696559  Astragalus whitneyi var. confusus J. M. Gillett 1964-6-8 12634 Modoc 2 miles south of Likely Comment
  CAS-BOT-BC182013  Astragalus whitneyi var. lenophyllus Alice Eastwood; John Thomas Howell 1940-6-11 8011 Modoc 6 mi. NE of adin on road to Canby. Comment
  CAS-BOT-BC182009  Astragalus whitneyi var. lenophyllus R. M. Austin 1894-5-1 Modoc Low hills around Goose Lake. Comment
  RSA520472  Athysanus pusillus Bruce Bartholomew, B. Anderson 1989-4-27 4626 Modoc Little Hot Spring Valley, 4 km NW of Day. 1070 Comment
  POM103069  Atriplex argentea Mrs. R. M. Austin 1895-08 416 Modoc Goose Lake Comment
  UC122590  Azolla filiculoides Mrs. R. M. Austin June 1894 Modoc Willow Creek Valley Comment
  UC472199  Balsamorhiza Franklin P. Nutting Modoc near Egg Lake Comment
  CAS-BOT-BC100052  Balsamorhiza hookeri M. S. Baker; Frank Nutting June 8 s.n. Modoc near Egg Lake Comment
  JEPS128417  Balsamorhiza hookeri Jennifer Mueller 2017-7-21 CA 320 -194 Modoc South Likely Tablelands above Little Juniper Reservoir. Comment
  UC1119016  Balsamorhiza hookeri R. C. Wilson 1933-5-24 27 Modoc near Allen Place (Canby); Canby 1310 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
  CAS-BOT-BC15187  Balsamorhiza hookeri var. lanata M. M. Hanna 1956-6-5 s.n. Modoc W side of Cedar Pass. Comment
  CHSC67159  Balsamorhiza macrolepis var. platylepis James D. Jokerst 1994-5-3 4038 Modoc Devils Garden located 4 mi E of Spalding Butte, 1.5 mi SW of Mud Lake. +- 100 ft N of milepost 42. Comment
  CHSC85105  Balsamorhiza macrolepis var. platylepis John Dittes; Josephine Guardino 1991-7-21 411 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-BC15127  Balsamorhiza sagittata Leland S. Smith 1919-6-2 1106 Modoc Deep Creek Ranger Station, Modoc National Forest 1524 Comment
  CAS-BOT-BC15131  Balsamorhiza sagittata Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-15 16502 Modoc 22 mi. W of Canby along Hwy 139. Comment
  CHSC117885  Balsamorhiza sagittata L. P. Janeway 2016-5-18 12060 Modoc Modoc Plateau. Northeast corner of the Devils Garden area; along Road 47N37 0.6 km north of Road 73/181/47N09. 1626 Comment
  RSA0012342  Balsamorhiza sagittata Joan Stewart 2005-6-6 2487 Modoc Stowe Reservoir, Warner Mountains. Comment
  CAS-BOT-BC58632  Barbarea orthoceras Alice Eastwood; John Thomas Howell 1940-6-12 8069 Modoc Between Likely and Jess Valley. Comment
  CAS-BOT-BC498656  Barbarea orthoceras L. S. Smith 1922-6-23 1250 Modoc Modoc Forest: Near Ballard's Mill 1432 Comment
  UC10247  Barbarea orthoceras M. S. Baker and Frank Nutting 1894-6-15 Modoc Meadow, Big Valley Mts. Comment
  RSA554804  Barbarea vulgaris Margaret J. Williams, Thad Holcomb, Betty Holcomb, Lois Saxton 1988-5-28 88- 21 -1 Modoc Crowder Flat road, W of Alturas. Road leads to Devil s Garden and Big Sage Reservoir and is near Hwy 299. Comment
  CAS-BOT-BC95511  Bassia hyssopifolia Bruce Bartholomew; Barrett Anderson 1990-7-21 5551 Modoc W edge of Middle Alkali Lake, directly E of Cedarville, Surprise Valley. 1370 Comment
  RSA624497  Bassia hyssopifolia L. C. Wheeler 1935-10-10 4035 Modoc Alturas. 1356 Comment
  CAS-BOT-BC242409  Beckmannia syzigachne John H. Hatton 1911-6-24 160 Modoc unspecified Comment
  CHSC118798  Berberis aquifolium var. repens L. P. Janeway 2015-8-9 11826 Modoc Warner Mountains. Near head of a northwest-facing bowl of a drainage of Coyote Creek where Road 39N06A crosses it; 0.8 road-km east of Road 39N06. 2088 Comment
  HSC80945  Berberis aquifolium var. repens G. M. Riegel 1979-8-11 638 Modoc S Warner Mtns. 1670 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
  UC1561006  Bergia texana Dean Wm. Taylor with Glenn L. Clifton 1989-8-6 10487 Modoc Warner Mountains: Bed of Snake Lake. Comment
  RSA504627  Betula occidentalis Bruce Bartholomew, B. Anderson 1988-6-24 4350 Modoc South Barber Creek, 6.3 km SW of Country Road 1 on Country Road 42, E side of the Warner Mountains. 1790 Comment
  SJSU9678  Bidens cernua var. cernua W. Savage 1979-8-22 1580 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  CHSC99960  Blepharipappus scaber Lowell Ahart; John Dittes 2008-8-25 15295 Modoc On the west side of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout. 1273 Comment
  CAS-BOT-BC15102  Blepharipappus scaber Gordon H. True 1964-6-3 1438 Modoc N Fork Pit River between Altura and Goose Lake. 1432 Comment
  CAS-BOT-BC15125  Blepharipappus scaber Milo Samuel Baker 1936-6-16 8353 Modoc Hwy 395 between Alturas and Likely. Comment
  RSA424434  Blepharipappus scaber Margaret J. Williams 1984-7-1 84- 85 -4 Modoc Northwest of Alturas, 2.1 miles north of highway on the Crowder Flat road. 1372 Comment
  SJSU8832  Blepharipappus scaber R. L. Fisher 1958-6-13 Modoc near Adin Pass c. 6 mi S of Canby 1524 Comment
  UC748105  Boechera microphylla Annie M. Alexander and Louise Kellogg 1946-7-24 5074 Modoc Warner Mountains. Horse Mountain. Comment
  RSA0049640  Boechera pauciflora Dean Wm. Taylor 2012-6-19 21248 Modoc Mouth of Baggett Gulch (ca 3 air miles S of Canby), Modoc National Forest 1463 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
  JEPS53085  Boechera retrofracta Milo S. Baker 1890-1 Modoc Forestdale Comment
  CAS-BOT-BC25697  Boechera sparsiflora B. Bartholomew 1991-5-25 5754 Modoc Ca. 6 km northwest of Tionesta on road to Lava Beds National Monument. 1310 Comment
  CAS-BOT-BC95740  Boechera sparsiflora Elmer Ivan Applegate 1932-8-1 8003 Modoc Mill Creek Meadows region, Warner Mts. Comment
  UC1563904  Boechera sparsiflora Barbara Ertter 1988-6-18 7643 Modoc n of Adin (Adin Summit, on Hwy 299); Adin Summit 1584 Comment
  RSA0128852  Boechera sparsiflora Christopher Davidson 1975-6-4 s.n. Modoc 2.5 miles W of Cedarville on Hwy 299. 1677 Comment
  RSA166296  Boisduvalia glabella Peter H. Raven, Otto T. Solbrig 1958-6-18 13332 Modoc Eastern outskirts of Lookout Comment
  RSA600325  Boisduvalia glabella Louis C. Wheeler 1935-8-18 3894 Modoc 2 miles northeast of Alturas. 1357 Comment
  CAS-BOT-BC244947  Brodiaea coronaria subsp. coronaria Bruce Bartholomew 1989-7-14 4945 Modoc ca. 8 km NE of Egg Lake and 2.5 km E of Survice Gulch. 1340 Comment
  UC1094382  Brodiaea coronaria subsp. coronaria R. C. Bacigalupi with S. Galen Smith 1957-6-27 5980 Modoc ca 9 mi nw Canby (along State Hwy 139) Comment
  RSA0049639  Brodiaea elegans subsp. elegans Dean Wm. Taylor 2012-6-19 21247 Modoc Mouth of Baggett Gulch (ca 3 air miles S of Canby), Modoc National Forest 1463 Comment
  JEPS69154  Bromus briziformis Leland S. Smith 1918-6-14 939 Modoc Buck Creek Ranger Station 1524 Comment
  POM260302  Bromus briziformis C. L. Hitchcock 1940-5-27 6659 Modoc 9 miles northeast of Alturas. 1402 Comment
  RSA180226  Bromus briziformis Clare B. Hardham 1961-6-18 7520 Modoc Cedar Pass. 1829 Comment
  UCD32690  Bromus briziformis Beecher Crampton 1954-7-6 2103 Modoc Modoc County, Road 56, following Shields Creek into Warner Mountains, 22 miles east of Alturas. Comment
  SEINET4344989  Bromus briziformis M. J. Williams 1969-6-14 s.n. Modoc Jess Valley 1524 Comment
  SEINET4345020  Bromus briziformis M. J. Williams 1969-6-14 s.n. Modoc Jess Valley. 1524 Comment
  CAS-BOT-BC242439  Bromus carinatus var. carinatus Bruce Bartholomew; Barrett Anderson 1990-7-21 5575 Modoc Homestead Flat, ca. 2.5 km E of Patterson Ranger Station, E side of Warner Mts. 2160 Comment
  CAS-BOT-BC242444  Bromus carinatus var. carinatus Bruce Bartholomew 1990-8-5 5668 Modoc Summit Trail, ca. 3 km N of Patterson Ranger Station, W side of Warner Mts. 2440 Comment
  CAS-BOT-BC242445  Bromus carinatus var. carinatus Bruce Bartholomew; Barrett Anderson 1990-7-20 5546 Modoc N edge of Howard Flat, W side of Warner Mts. 2000 Comment
  JEPS69180  Bromus carinatus var. carinatus Leland S. Smith 1918-6-22 971 Modoc Modoc National Forest, Pine Creek Canyon Pine Creek Canyon; Modoc National Forest, Pine Creek Canyon 2133 Comment
  SJSU9555  Bromus carinatus var. carinatus Wayne Savage 1979-7-3 1293 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  UC1037160  Bromus carinatus var. carinatus Leo Whitney 1935-7-11 3453 Modoc 15 mi nw of Canby (Modoc National Forest, Hackamore); Modoc National Forest, Hackamore 1463 Comment
  UCD32704  Bromus carinatus var. marginatus Beecher Crampton 1954-7-7 2127 Modoc Modoc County, west side of Cedar Pass. Comment
  POM264293  Bromus commutatus A. A. Beetle 1941-6-29 2837 Modoc south slope of Mount Adin Comment
  UCD58483  Bromus commutatus L. D. Whitney 1935-8-10 s.n. Modoc Pit River. Alturas. Comment
  UC1024895  Bromus diandrus Leo Whitney 1935-5-23 3119 Modoc 15 mi nw of Canby (Hackamore, Modoc National Forest, Lake Joaquina); Hackamore, Modoc National Forest, Lake Joaquina 1463 Comment
  UC1024711  Bromus hordeaceus Leo Whitney 1934-5-24 2132 Modoc 15 mi nw of Canby (Modoc National Forest, Hackamore); Modoc National Forest, Hackamore 1463 Comment
  CAS-BOT-BC242467  Bromus inermis M. A. Berry 1957-6-30 s.n. Modoc Warner Mts. 1524 Comment
  UC1024968  Bromus japonicus Leo Whitney 1935-7-6 3440 Modoc Pit River near Lookout; Pit River Comment
  UC1024999  Bromus japonicus Leo Whitney 1935-7-7 3384 Modoc 4 mi nw of Canby (Howard Gulch); Howard Gulch Comment
  UCD57992  Bromus japonicus Louis C. Wheeler 1973-8-23 s.n. Modoc Big Mud Lake. Comment
  SEINET3922999  Bromus japonicus Leo Whitney 1935-6-30 3351 Modoc Spaulding's Butte, 16 miles west-northwest of Canby.; 0 Comment
  JEPS73962  Bromus racemosus Frances D. Payne 1932-7-20 720 Modoc s and e of Alturas (Warner Mountains, Parker Creek); Warner Mountains, Parker Creek 1584 Comment
  CAS-BOT-BC242497  Bromus tectorum Leland S. Smith 1923-5-15 1501 Modoc Adin. Comment
  HSC9358  Bromus tectorum M. T. Milligan 1965-6-30 386 Modoc N end Jess Valley 1616 Comment
  SEINET3923587  Bromus tectorum Leo Whitney 1935-5-21 3115 Modoc Hackamore, about 15 miles northwest of Canby, Modoc National Forest.; 0 1463 Comment
  CAS-BOT-BC95095  Callitriche palustris Herbert Louis Mason; Verne Grant 1947-7-11 13366 Modoc By Jones Lane, off Highway 395, S of Alturas. Comment
  CAS-BOT-BC95097  Callitriche palustris Bruce Bartholomew 1995-6-3 6957 Modoc Island Meadow N of road between Goose Lake and Crowder Flat Road. 1570 Comment
  CHSC117055  Callitriche palustris Lowell Ahart; John Dittes 2016-6-6 20967 Modoc About 100 yards east of the Parking Area, about one mile south of the intersection of County Road 87 and Access Road to Pilot Butte Parking Area, 3.8 miles (air) east of Lookout, 7.5 miles (air) west of Adin, Ash Creek State Wildlife Area. 1271 Comment
  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
  RSA722580  Calocedrus decurrens R. R. Halse 2006-8-4 6999 Modoc Along Highgrade Road ca. 4.4 miles north of Fort Bidwell, north end of the Warner Mountains, east slope 1765 Comment
  CAS-BOT-BC244935  Calochortus leichtlinii Elmer Ivan Applegate 1932-8-1 8042 Modoc Arid summit of Warner Mts. near and S of Warren Peak. 2438 Comment
  SEINET4169879  Calochortus leichtlinii Leila Shultz, John Shultz 1985-6-23 Modoc Modoc Plateau at the western extension of the Great Basin, between Beeler and Duncan reservoirs N. of Canby. 1311 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
  CAS-BOT-BC242149  Calochortus macrocarpus Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10517 Modoc Patterson Ranger Stateon (East Creek drainage). 2164 Comment
  UCD139541  Calochortus macrocarpus A. J. Van Orsdel 1935-7-11 s.n. Modoc Clear Lake. Comment
  POM275206  Caltha howellii A. M. Alexander, Louise Kellogg 1946-6-26 4829 Modoc Dismal Swamp, N end of Warner Mtns. 2256 Comment
  CAS-BOT-BC217326  Caltha leptosepala Bruce Bartholomew 1991-6-21 5800 Modoc Vicinity of Lily Lake, N end of the Warner Mountains. 2030 Comment
  UC118787  Caltha leptosepala Mrs. R. M. Austin July 1894 139 Modoc Lassen Creek Comment
  UC465570  Caltha leptosepala Mrs. R. M. Austin July 1894 Modoc Lassen Creek Comment
  UC9030  Caltha leptosepala Mrs. C. C. Bruce July 1898 2306 Modoc Warner Mts. Comment
  RSA0039544  Calycadenia ciliosa Lowell A. Ahart, John Dittes 2008-8-26 15331 Modoc On the sides of County Road 85a, 287 feet east of County Road 91, 7.7 miles (air) north-northeast of Lookout. 1303 Comment
  HSC80775  Calyptridium umbellatum G. M. Riegel 1980-7-22 1098 Modoc S Warner Mtns. 1829 Comment
  HSC25992  Calystegia occidentalis subsp. occidentalis D. H. Norris, S. Dowty, T. Nelson 1971-6-23 19480 Modoc Upper Rush Creek Campground, about 8 mi. N of Adin on Hwy. 299 Comment
  HSC6382  Calystegia occidentalis subsp. occidentalis M. T. Milligan 1965-6-30 387 Modoc E of Jess Valley. 1707 Comment
  POM65988  Calystegia occidentalis subsp. occidentalis Milo S. Baker 1893-7-20 9967 Modoc Modoc Comment
  CHSC112429  Camassia leichtlinii subsp. suksdorfii Lowell Ahart; John Dittes, Todd Sloat 2013-6-8 18762 Modoc About 300 yards northeast of the Parking Area, northeast of the old barn, Ash Creek State Wildlife Area, about 3.9 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  CAS-BOT-BC242134  Camassia quamash subsp. breviflora K. Paulson; Robert Paulson 1989-5-21 120 A Modoc Devil's Garden near Blue Mountain. 1562 Comment
  UC421789  Camassia quamash subsp. breviflora Franklin P. Nutting Modoc Forestdale Comment
  CAS-BOT-BC242135  Camassia quamash subsp. breviflora M. M. Hanna 1956-6-7 1021 Modoc Hwy 139 near Canby. Comment
  CAS-BOT-BC191114  Camissonia claviformis subsp. cruciformis Bruce Bartholomew 1990-6-17 5315 Modoc Surprise Valley, 6.8 km W of Eagleville. 1390 Comment
  CHSC107382  Camissonia contorta Lowell Ahart; John Dittes 2011-6-22 17544 Modoc On the west side of the road, about 30 yards north of the Pilot Butte Parking Lot, north edge of Ash Creek Floodplain, 1.1 miles (air) south of County Road 87, 7.7 miles (air) west of Adin, 10 miles (air) east of Lookout, Big Valley. 1264 Comment
  POM319062  Camissonia contorta Patricia Wilder 1971-6-20 5064 Modoc North part of Egg Lake (now a meadow), northwest of Lookout; north of Bieber and California State Highway 299; Modoc National Forest. Cascades Mt. Range. 1372 Comment
  RSA37525  Camissonia contorta Milo S. Baker 1936-6-14 8309 Modoc Sink along Hwy. Malin to Canby several miles N of Quarantine Station. Comment
  CAS-BOT-BC191099  Camissonia subacaulis Louis Cutter Wheeler 1935-8-1 3731 Modoc Dismal Swamp. 2225 Comment
  CAS-BOT-BC191097  Camissonia subacaulis Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-14 16481 Modoc Along Lassen Creek, on road to Davis Creek. Comment
  NY852077  Camissonia tanacetifolia L. C. Wheeler 1935-8-18 3895 Modoc 2 miles northeast of Alturas 1356 Comment
  CAS-BOT-BC191089  Camissonia tanacetifolia subsp. tanacetifolia Robert Folger Thorne; J. Henrickson; C. W. Tilforth 1969-9-4 39085 Modoc E shore of Goose Lake at Willow Ranch. 1432 Comment
  POM312605  Camissonia tanacetifolia subsp. tanacetifolia H. L. Mason, Verne Grant 1947-7-10 13327 Modoc Dorris Reservoir, 2 miles east of Alturas. Comment
  RSA518987  Camissonia tanacetifolia subsp. tanacetifolia Barbara Ertter 1988-6-18 7606 Modoc West side of Highway 139 just south of where it crosses railroad at junction to Clear Lake, northeast of Dry Lake east of Lava Beds National Monument. 1250 Comment
  RSA59542  Camissonia tanacetifolia subsp. tanacetifolia E. K. Balls 1950-5-10 14600 Modoc 1 mile E of Eagleville, between Middle and Lower Lakes. 1402 Comment
  SEINET10463375  Campanula scabrella Unknown 1978-8-8 Showers 4219 Modoc NEAR PATTERSON LAKE, WARNER MOUNTAINS ON DRY OPEN SLOPES, ELEV. 2743 Comment
  SEINET11196165  Cardamine breweri D. A. Charlet 1989-8-25 592 a Modoc Warner Mountains, 1.4 km NW of Eagle Peak. 2499 Comment
  CDA37679  Cardaria draba Robin Breckenridge 2002-7-15 s.n. Modoc Likely; Lynetta Farms. 0 Comment
  HSC100126  Carduus acanthoides G. D. Barbe, C. B. Greenbank 1978-8-31 2427 Modoc 1 mile S of junction of Camby Rd. and Hwy. 299. Comment
  UCR34818  Carex J. A. Harpel 1981-8-6 V 13 Modoc Warner Mtns, South Warner Wilderness Area: E end of Patterson Lake, 7 mi NW of Eagleville 2744 Comment
  CAS-BOT-BC242329  Carex abrupta Louis Cutter Wheeler 1935-8-16 3878 Modoc Dismal Swamp. 2225 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
  CAS-BOT-BC245196  Carex amplifolia Alice Eastwood; John Thomas Howell 1940-6-13 8177 Modoc E side of Cedar Pass. Comment
  HSC7044  Carex aquatilis M. T. Milligan 1966-7-3 542 Modoc Slopes and ridges E of Jess Valley 1829 Comment
  CHSC109483  Carex athrostachya L. P. Janeway; B. Castro 2012-7-25 10982 Modoc Warner Mountains. Slope along north side of Dismal Swamp. 2216 Comment
  JEPS120117  Carex athrostachya Lowell Ahart, John Dittes 2012-7-10 18305 Modoc Northeast of the old homestead, Ash Creek State Wildlife Area, about 3.2 miles (air) west of Adin, about 8.4 miles (air) northeast of Bieber, Big Valley. Comment
  UC143709  Carex aurea M. S. Baker and Frank Nutting 1894-6-15 Modoc Big Valley Mts. 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
  SEINET7556921 Image available Carex diandra Unknown 1969-9-5 39164 Modoc Modoc National Forest, Warner Mts, Clear Lake. 1768 Comment
  HSC48334  Carex douglasii D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19356 Modoc Along the S Fork of the Pit River, ~6 mi. E of Likely. Comment
  CHSC77243  Carex feta G. Schoolcraft 1996-7-23 2544 Modoc E. of Yankee Jim Ranch about 12 miles se of Alturas. 1645 Comment
  POM81337  Carex hassei Mrs. R. M. Austin 1895-07 491 Modoc Goose Lake Valley. Comment
  UCD140433  Carex heteroneura L. S. Smith 1918-8-11 1018 Modoc Trail to Lost Lake. Comment
  JEPS100192  Carex hoodii Dean Wm. Taylor with Glenn L. Clifton 1989-8-5 10446 Modoc Warner Mountains, Emerson Creek drainage; cirque headwall above South Emerson Lake 2560 Comment
  CAS-BOT-BC245183  Carex microptera Annie Montague Alexander; L. Kellogg 1946-7-17 5007 Modoc Benton Meadow. 2072 Comment
  JEPS63610  Carex multicaulis Leland S. Smith 1920-6-15 27 Modoc Big Valley Bieber Range, Big Valley Comment
  CAS-BOT-BC245166  Carex nebrascensis Bruce Bartholomew 1989-8-11 5076 Modoc Along Lassen Creek near SE side of Harris Flat, Warner Mountains. 1920 Comment
  CHSC108020  Carex nebrascensis Lowell Ahart; John Dittes 2011-6-21 17522 Modoc About 30 yards west of the fence, meadow like area in uplands south of the big meadow, Ash Creek State Wildlife Area, about 1000 feet north of Lassen County Line, about 3.6 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  JEPS117659  Carex nebrascensis Lowell Ahart, John Dittes 2010-8-30 17086 Modoc About 400 yards west the bridge across Ash Creek, Elkins Lane, Ash Creek State Wildlife Area, 4215 feet north fo Lassen County Line, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley 1277 Comment
  JEPS118471  Carex nebrascensis Lowell Ahart, John Dittes 2011-6-21 17522 Modoc About 30 yards west of the fence, meadow like area in uplands south of the big meadow, Ash Creek State Wildlife Area, about 1000 feet north of Lassen County Line, about 3.6 miles (air) northeast of Bieber, Big Valley 1267 Comment
  UC1024318  Carex nebrascensis Annie M. Alexander and Louise Kellogg 1946-6-14 4762 Modoc branch to Silver Creek (Patterson Mill Road) 1828 Comment
  UC1024329  Carex nebrascensis Annie M. Alexander and Louise Kellogg 1946-7-7 4928 Modoc Eight Mile Creek 1752 Comment
  UC1100495  Carex nebrascensis Herbert L. Mason, Verne Grant 1947-7-12 13435 Modoc n Likely; Corporation Ranch Headquarters Comment
  UC1100592  Carex pellita Herbert L. Mason, Verne Grant 1947-7-10 13354 a Modoc 1/4 mi w Dorris Reservoir (2 mi e of Alturas) Comment
  CAS-BOT-BC245154  Carex praegracilis Alice Eastwood; John Thomas Howell 1940-6-12 8035 Modoc Likely. Comment
  CAS-BOT-BC118613  Carex raynoldsii Annie M. Alexander; Louise Kellogg 1946-6-30 4884 Modoc Highgrade, N end Warner Mts. Comment
  UC1736038  Carex raynoldsii Dean W. Taylor 1989-8-5 10469 Modoc North Emerson Lake; Warner Mountains Comment
  CHSC99518  Carex sheldonii Lowell Ahart; John Dittes 2008-6-21 15012 Modoc In shallow water 4-6 inches deep, edge of a large pond, north of a large levee, mountain meadow, in Big Valley, about 4.3 miles (air) northeast of the Headquarters at Ash Creek State Wildlife Area, about 7.3 miles (air) northeast of Bieber. 1266 Comment
  JEPS120116  Carex sheldonii Lowell Ahart, John Dittes 2012-7-10 18306 Modoc Northeast of the old homestead, Ash Creek State Wildlife Area, about 3.2 miles (air) west of Adin, about 8.4 miles (air) northeast of Bieber, Big Valley. Comment
  RSA755320  Carex sheldonii L. Ahart, John Dittes 2008-6-21 15012 Modoc Edge of a large pond, north of a large levee, mountain meadow, in Big Valley, about 4.3 air miles northeast of the Headquarters at Ash Creek State Wildlife Area, about 7.3 air miles northeast of Bieber. 1267 Comment
  UC1540257  Carex simulata Dean Wm. Taylor, Glenn L. Clifton 1987-6-24 9057 Modoc border of meadow tributary to lakebed Egg Lake 1280 Comment
  UC70021  Carex simulata Mrs. M. H. Manning June 1903 452 Modoc north-eastern Modoc County Comment
  UC1537638  Carex simulata Gordon H. True Jr. 1939-6-28 991 Modoc se Alturas (Weber Ranch); South Fork of Pit River Comment
  UC1537640  Carex simulata Gordon H. True Jr. 1939-8-16 1001 Modoc near Canby; Pit River Comment
  JEPS101131  Carex vernacula Dean Wm. Taylor with Glenn L. Clifton 1989-8-5 10439 Modoc Warner Mountains; east face Emerson Peak 2560 Comment
  UC1024333  Carex whitneyi Annie M. Alexander and Louise Kellogg 1946-7-18 5018 Modoc near Benton Meadow; Warner Mountains 2072 Comment
  RSA504668  Castilleja angustifolia K. Paulson, R. Paulson 1988-5-24 17 Modoc Granger Canyon, Warner Mountains. 1494 Comment
  SBBG30607  Castilleja applegatei D. Myrick 1968-6-20 1971 Modoc Cedar Pass, St Hwy 299, 20 mi E of Alturas 1828 Comment
  CAS-BOT-BC225977  Castilleja applegatei subsp. pinetorum Clare Butterworth Hardham 1961-6-18 7595 Modoc Davis Creek. 2133 Comment
  JEPS86681  Castilleja applegatei subsp. pinetorum L. R. Heckard with T. I. Chuang 1990-7-14 6762 Modoc ca 2 mi n Cedar Pass (along Old Common Mill Rd, 0.7 mi e of Soldier Creek Rd) 2075 Comment
  SEINET13732756  Castilleja applegatei subsp. pinetorum M. J. Williams 1983-7-29 83- 116 -9 Modoc Warner Mountains, N of Cedar Pass, 1.1 miles N of Stough Reservoir Campground. 2088 Comment
  UC26527  Castilleja applegatei subsp. pinetorum Baker and Nutting 1894-6-13 Modoc near Egg Lake Comment
  CAS-BOT-BC226005  Castilleja arachnoidea Clare Butterworth Hardham 1961-6-18 7811 Modoc Hills above Cedar Pass. Comment
  CHSC70480  Castilleja arachnoidea A. Sanger 1997-6-23 2542 Modoc End of road on east side of Bald Mountain. 2255 Comment
  JEPS28981  Castilleja arachnoidea Frances D. Payne 1931-6-29 310 Modoc e slope Mt. Warren; Warner Range, Mt. Warren 2286 Comment
  CAS-BOT-BC226021  Castilleja lacera M. Vasey 1990-6-30 9044 Modoc Near Curtis Waterhole, NW of Egg Lake. 1300 Comment
  JEPS27954  Castilleja lacera Frances D. Payne 1929-7-2 36 Modoc Parker Creek, w slope of Warner Mountains Warner Mountains 1584 Comment
  CAS-BOT-BC226047  Castilleja miniata Bruce Bartholomew 1994-7-2 6816 Modoc E of Bald Mountain, on E side of the Warner Mountains 2230 Comment
  CAS-BOT-BC226053  Castilleja pilosa Christopher Davidson 1975-6-4 2628 Modoc Canby Bridge across Pit River, ca. 4 mi. S of Canby on Hwy 299. 1341 Comment
  CAS-BOT-BC226064  Castilleja pilosa Elmer Ivan Applegate 1932-8-5 s.n. Modoc Arid S slope of Cedar Mountain, Cedar Pass. Comment
  CAS-BOT-BC226065  Castilleja pilosa John H. Hatton 1911-6-20 125 Modoc Vicinity of Bolles meadows. 1524 Comment
  CAS-BOT-BC241010  Castilleja pilosa Mrs. H. C. Cantelow 1940-5-31 s.n. Modoc 8 mi. E. of Indian Springs Comment
  JEPS17638  Castilleja pilosa Rimo Bacigalupi with G. Thomas Robbins 1955-7-20 5393 Modoc 3.3 mi e Patterson Ranger Station (flat at summit of forest road across s end of Warner Mountains); Warner Mountains, Modoc National Forest 2225 Comment
  UC190604  Castilleja pilosa M. F. Gilman 561 Modoc 1981 Comment
  CAS-BOT-BC497469  Castilleja psittacina Margaret J. Williams 1988-5-30 88- 23 -2 Modoc First road in to Big Sage Reservoir from Crowder Flat road, NW of Alturas 1539 Comment
  RSA46751  Castilleja psittacina J. T. Howell 1934-6-12 11993 Modoc 6 miles S of Davis Creek. Comment
  CAS-BOT-BC226073  Castilleja tenuis Annie Montague Alexander; L. Kellogg 1946-6-14 4769 Modoc Below lava slope, Silver Creek branch of Patterson Mill road. 1828 Comment
  JEPS86679  Castilleja tenuis L. R. Heckard and T. I. Chuang 1990-7-14 6760 Modoc ca 2 mi n Cedar Pass (along Old Common Mill Rd, 0.7 mi e of Soldier Creek Rd) 2075 Comment
  JEPS79138  Castilleja tenuis L. R. Heckard with R. Bacigalupi 1980-6-11 5240 Modoc ca 10 air mi se Alturas (junction of Parker Creek and Shields Creek); junction of Parker Creek and Shields Creek 1737 Comment
  UC1281475  Ceanothus X flexilis H. E. McMinn 1941-8-27 5396 Modoc 0.5 mi from junction of highways 89 and 299 on way to Alturas; on way to Alturas Comment
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Jun 3 2009
  UC452542  Ceanothus X rugosus Franklin P. Nutting Modoc w side Egg Lake Lava Beds, w side Egg Lake Comment
  UCD111734  Ceanothus cuneatus Milo S. Baker 1893-7-1 s.n. Modoc Modoc County. 1371 Comment
  UC73355  Ceanothus cuneatus var. cuneatus Milo S. Baker 1893-1 Modoc near Craigs Comment
  RSA0013647  Ceanothus diversifolius Joan Stewart 2005-6-6 2482 Modoc Blue Lake, Warner Mountains. Comment
  CAS-BOT-BC217146  Ceanothus prostratus A. D. Borden 1911-8-9 s.n. Modoc Along S. slope of Shields Creek Comment
  POM126434  Ceanothus prostratus B. C. Goldsmith 1911-5-20 21 Modoc Sugar Hill, W slope Warner Mts. 1524 Comment
  RSA59344  Ceanothus prostratus E. K. Balls 1950-5-11 14632 Modoc 0.75 miles below E of crest of Fandango Pass (from Fort Bidwell - Lake City road to Bucks Creek Ranger Station on Hwy 395). 1860 Comment
  RSA59845  Ceanothus prostratus E. K. Balls 1950-5-15 14696 Modoc 8.5 miles NW Canby Hwy 139 to Klamath Falls. 1402 Comment
  UC452660  Ceanothus prostratus Franklin P. Nutting Modoc Forestdale 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
  POM126397  Ceanothus velutinus M. French Gilman 575 Modoc [No location data on label] 1677 Comment
  UC18456  Ceanothus velutinus Mrs. Bruce 1898-1 Modoc Comment
  CAS-BOT-BC248322  Ceanothus velutinus var. velutinus B. Bartholomew; H. Sun 2002-6-24 8868 Modoc Fandango Pass on the E side of the Warner Mountains near the crest of the mountains 1820 Comment
  CAS-BOT-BC15096  Centaurea cyanus Bruce Bartholomew 1990-6-17 5340 Modoc Surprise Valley, 0.3 mi N of Lake City on County Rd 1. 1390 Comment
  NY532331  Centaurea diffusa G. Schoolcraft 1985-6-17 Modoc NW of Lookout 1264.9 Comment
  CAS-BOT-BC15099  Centaurea virgata subsp. squarrosa Thomas C. Fuller 1962-8-29 9487 Modoc Road to Adin, 0.3 mi. E of Lookout, Big Valley. Comment
  UC1191678  Centaurium exaltatum Herbert L. Mason 1947-8-15 13553 Modoc e side Goose Lake (on Willow Ranch); Mouth of Crane Creek Comment
  HSC4113  Cerastium fontanum subsp. vulgare M. T. Milligan 1965-6-23 288 Modoc N end Jess Valley 1616 Comment
  CHSC100419  Cercocarpus betuloides var. macrourus Lowell Ahart; John Dittes 2008-8-26 15357 Modoc Southeast side of Rose Creek, 750 feet southwest of confluence of Rose Creek and Pit River, on the southeast side of unnamed road, 2660 feet east of intersection with County Road 85a, 0.3 miles (air) north-northeast of Lookout. 1276 Comment
  UC1127867  Cercocarpus betuloides var. macrourus R. C. Wilson 1933-7-7 58 Modoc Rush Creek, Modoc National Forest Rush Creek; Modoc National Forest, Rush Creek 1463 Comment
  UCD22470  Cercocarpus betuloides var. macrourus Brian Vanden Heuvel 2003-4-11 199 Modoc Rush Creek Campground in Modoc National Forest, about 10 miles north of Adin and 6 miles south of Adin Pass. Comment
  CAS-BOT-BC197539  Cercocarpus ledifolius var. ledifolius Belknap C. Goldsmith 1911-5-20 23 Modoc Sugar Hill, W slope Warner Mts. 1584 Comment
  CAS-BOT-BC214642  Cercocarpus ledifolius var. ledifolius John Thomas Howell 1934-6-12 12009 Modoc Between Davis Creek and Plum Valley. Comment
  UC12138  Cercocarpus ledifolius var. ledifolius Mrs. R. M. Austin Aug. 1894 Modoc Lassen Creek Comment
  CAS-BOT-BC15062  Chaenactis douglasii var. douglasii R. M. Austin; C. C. (Mrs.) Bruce 1898-7-1 2177 Modoc Davis Creek plains. Comment
  CAS-BOT-BC15071  Chaenactis douglasii var. douglasii Bruce Bartholomew; Barrett Anderson 1988-6-25 4377 Modoc SW side of Jess Valley, Warner Mts.. 1540 Comment
  HSC81051  Chaenactis douglasii var. douglasii G. M. Riegel 1980-7-18 909 Modoc South Warner Mountains 1739 Comment
  POM253146  Chaenactis douglasii var. douglasii A. A. Heller 1938-6-24 15221 Modoc U.S. Highway #299, between Alturas and Canby. 1341 Comment
  CAS-BOT-BC141742  Chamaebatiaria millefolium L. S. Smith 1918-8-7 1012 Modoc Black Knob, Warner Mts. Comment
  CAS-BOT-BC245414  Chamaesaracha nana E. S. Willits 1940-5-20 279 Modoc Between Perez and Canby. 1371 Comment
  CAS-BOT-BC245415  Chamaesaracha nana Bruce Bartholomew 1991-7-6 5994 Modoc Webb Flat, 5.6 km S of turn off to Happy Camp Ranger Station. Area burned within the last year. 1400 Comment
  HSC80797  Chamaesaracha nana G. M. Riegel 1980-7-31 945 Modoc S Warner Mtns. 558 Comment
  JEPS9110  Chamaesaracha nana L. S. Smith 1918-7-14 995 Modoc Mill Creek Modoc Forest (Eagleville Trail) 2133 Comment
  UC1035971  Chamaesaracha nana Helen K. Sharsmith 1955-6-26 4509 Modoc ca 20 mi n Canby (adjacent to Highway 39); Modoc National Forest 1524 Comment
  SBBG128254  Chamaesyce serpillifolia subsp. serpillifolia L. Ahart, J. Dittes 2010-8-30 17054 Modoc N side of a small wash, ca. 10 yards W of the fence, S edge of the meadow, Ash Crk State Wildlife Area, 2300 feet N of Lassen County Line, ca. 3.6 mi W of Adin, ca. 8 mi NE of Bieber, Big Valley 1267 Comment
  UC1025074  Chamaesyce serpyllifolia Leo Whitney 1934-6-5 1585 Modoc Quaking Asp Modoc National Forest 1219 Comment
  UC17672  Chamaesyce serpyllifolia Milo S. Baker 1893-7-25 Modoc on island Egg Lake Comment
  UC748246  Chamaesyce serpyllifolia Annie M. Alexander and Louise Kellogg 1946-6-20 4808 Modoc field below town Eagleville 1440 Comment
  CDA32878  Chenopodium botrys M. Brooks 2009-11-1 PDR# 1526757 Modoc In the vicinity of Alturas. 0 Comment
  UCD97876  Chenopodium foliosum W. T. Parsons; T. C. Fuller 1960-7-26 4874 Modoc E. H. Boys ranch, Lassen Creek, ca. 2 mi. SE/Hwy 395. Comment
  RSA531330  Chenopodium fremontii Bruce Bartholomew, B. Anderson 1990-7-20 5455 Modoc Margin of Goose Lake at S end of the causeway to McGinty Point. 1440 Comment
  NY537268  Chenopodium pumilio L. C. Wheeler 1935-8-3 3758 Modoc Rock Lake, Pine Creek, Warner Mountains 1920.2 Comment
  UC748235  Chimaphila menziesii Annie M. Alexander and Louise Kellogg 1946-7-24 5063 Modoc trail to Emerson Camp (Bear Camp Flat); Warner Mts., Bear Camp Flat Comment
  CDA19915  Chorispora tenella R. Breckenridge, Kratville 2002-6-6 PDR 920238 Modoc Northern California; in the vicinity of Alturas. 1328 Comment
  NY125574  Chorispora tenella B. M. Bartholomew 1993-5-10 6450 Modoc At the Nevada border directly E of Eagleville, E side of Surprise Valley 1520 Comment
  POM57302  Chrysanthemum segetum M. S. Baker s.n. Modoc [Unspecified] Comment
  POM166648  Chrysolepis sempervirens Baker, Nutting 1893-06 3262 Modoc Squaw Valley, near Mt. Shasta. Comment
  CAS-BOT-BC15004  Chrysothamnus nauseosus subsp. albicaulis Bruce Bartholomew 1989-8-11 5081 Modoc Sand Creek, Surprise Valley, 5 km W of Nevada border on State Hwy 299. 1400 Comment
  CAS-BOT-BC15045  Chrysothamnus nauseosus subsp. albicaulis Elmer Ivan Applegate 1936-9-23 11075 Modoc South base of Caldwell Butte, Lava Beds National Monument. Comment
  CAS-BOT-BC15047  Chrysothamnus nauseosus subsp. albicaulis Elmer Ivan Applegate 1932-8-6 8190 Modoc Eagleville, Surprise Valley. Comment
  CAS-BOT-BC14994  Chrysothamnus viscidiflorus subsp. viscidiflorus John Thomas Howell 1934-6-30 12260 Modoc Duncan Horse Camp. 1355 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
  JEPS117477  Cichorium intybus Lowell Ahart, John Dittes 2010-8-30 17101 Modoc On east side of Elkins Lane, about 10 yards south of the bridge across Ash Creek, Ash Creek State Wildlife Area, 2300 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley 1267 Comment
  CAS-BOT-BC191009  Circaea alpina subsp. pacifica Bruce Bartholomew; Barrett Anderson 1988-7-21 4439 Modoc Above Upper Rush Creek Campground ca. 4 km E of State Highway 299 between Adin and Canby. 1580 Comment
  JEPS117499  Cirsium arvense Lowell Ahart, John Dittes 2010-8-31 17105 Modoc About 20 yards west of Elkins Lane, about 150 yards north of the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley 1274 Comment
  RSA128747  Cirsium arvense T. C. Fuller 1959-7-8 2746 Modoc Grainfield 1.5 miles south of Tulelake Comment
  SEINET3840780  Cirsium arvense var. mite Thomas Parsons Fuller, T. W. 1960-7-26 4872 Modoc 1.5 miles South of Tulelake, Highway 139, in grain field Comment
  JEPS15466  Cirsium cymosum var. cymosum Joseph and Hilda W. Grinnell 1938-6-14 1103 a Modoc above Goose Lake (slope of Sugar Hill); Sugar Hill 1524 Comment
  CAS-BOT-BC14975  Cirsium douglasii var. breweri Louis Cutter Wheeler 1935-9-10 3966 Modoc McGinty Reservoir, Devil's Garden 1463 Comment
  UC1192201  Cirsium douglasii var. breweri Herbert L. Mason 1947-8-11 13500 Modoc On Highway 81, n of Modoc-Lassen County Line Comment
  UC91794  Cirsium occidentale var. candidissimum Milo S. Baker 1893-7-25 Modoc Lava Beds Comment
  UC30791  Cirsium occidentale var. candidissimum Mrs. R. M. Austin 1884-1-1 Modoc hills near Davis Creek Comment
  CAS-BOT-BC14941  Cirsium scariosum Bruce Bartholomew; Barrett Anderson 1988-7-22 4491 Modoc Vicinity of East Creak Trailhead, southern end of the Warner Mts. 2210 Comment
  HSC5395  Cirsium scariosum M. T. Milligan 1966-8-3 641 Modoc W slope of Eagle Peak 2439 Comment
  CDA20568  Cirsium scariosum C. Pirosko 2005-6-24 PDR 1303857 Modoc Modoc Plateau; Fandango Area on the west side of Warner Mnts, near CA/OR border. 0 Comment
  CAS-BOT-BC172039  Clarkia gracilis subsp. gracilis John Thomas Howell 1934-6-30 12277 Modoc Duncan Horse Camp Comment
  CAS-BOT-BC191067  Clarkia gracilis subsp. gracilis Bruce Bartholomew 1991-7-4 5926 Modoc Vicinity of Pine Spring between Miller Gulch and Twin Lakes. 1420 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
  RSA101361  Clarkia rhomboidea R. Weatherby 1955-7-8 1622 Modoc 6 miles N of Ft. Bidwell. Northern Warner Mtns. 1738 Comment
  RSA293356  Clarkia rhomboidea Reino Alava 1957-7-5 1160 Modoc Cedar Pass, Modoc National Forest. Warner Mountains 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-BC197448  Claytonia lanceolata Bruce Bartholomew; Barrett Anderson 1988-5-13 4161 Modoc 4 km NW of Pepperdine, gentle W facing slope near top of the Warner Mts. 1760 Comment
  CHSC31494  Claytonia lanceolata N. E. H. Prouty 1980-6-2 173 Modoc Modoc Nat. Forest, Warner Mt. District. Sheep Rock T.S. North facing slope rising above Dry Creek and Upper Dry Creek Road. Comment
  RSA0080491  Claytonia lanceolata A. M. Alexander, Louise Kellogg 1946-6-15 4773 Modoc In fir forest and higher up in aspen grove. Deep Creek. 2134 Comment
  JEPS43365  Claytonia megarhiza W. L. Jepson 1918-8-13 7976 Modoc Eagle Peak summit Eagle Peak; Warner Mts. 3017 Comment
  CAS-BOT-BC197442  Claytonia parviflora subsp. parviflora Bruce Bartholomew 1993-6-12 6578 Modoc Road to Day Rock from Little Hot Spring Valley. 1250 Comment
  HSC17707  Claytonia rubra subsp. rubra M. T. Milligan 1964-6-25 82 Modoc Upper Lassen Creek 1829 Comment
  SD52231  Cleome platycarpa Frank Stephens 1894-7-16 728 Modoc 1430 Comment
  CAS-BOT-BC226085  Collinsia parviflora Elmer Ivan Applegate 1932-8-2 8085 Modoc Mill Creek Meadow, western slope of Warner Mts. Comment
  CAS-BOT-BC226094  Collinsia parviflora Annie Montague Alexander; L. Kellogg 1946-6-14 4756 Modoc Silver Creek branch of Patterson Mill road. 1828 Comment
  CAS-BOT-BC226095  Collinsia parviflora Bruce Bartholomew 1991-6-21 5823 Modoc Vicinity of Drift Fence Tank, 2 km S of Forest Service road 73 on road to Rim Rock Valley. 1580 Comment
  CAS-BOT-BC229852  Collinsia parviflora Francis Whittier Pennell 1940-6-8 25737 Modoc Eastern slope of Warner Mts., NE of Alturas. 1737 Comment
  CAS-BOT-BC229861  Collinsia parviflora Leland S. Smith 1919-5-3 1089 Modoc Rock Spring. 1726 Comment
  SBBG6876  Collinsia parviflora H. and M. Dearing 1939-6-8 3599 Modoc Pine Cyn, Warner Mtns Comment
  UC71745  Collinsia parviflora Mrs. M. H. Manning 1903-4 73 Modoc near Fort Bidwell (in north-eastern Modoc County) Comment
  CAS-BOT-BC229860  Collinsia parviflora E. H. Stephen; Lindsay Stuart Smith 1917-5-26 12 Modoc West Valley. 1524 Comment
  HSC31747  Collinsia parviflora Donald Spalinger 1974-5-17 69 Modoc Hwy. 136 from junction with Hwy. 299 1494 Comment
  CAS-BOT-BC229872  Collinsia torreyi Bruce Bartholomew 1993-6-12 6596 Modoc Above the road to Day Rock from Little Hot Spring Valley. 1260 Comment
  UC153506  Collinsia torreyi var. latifolia Milo S. Baker 1893-1 Modoc Forestdale 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
  HSC32014  Collomia grandiflora J. D. Ackerman, A. M. Montalvo 1974-7-4 365 Modoc Howards Gulch, 6 mi. NW of Canby, off Hwy. 139 Comment
  RSA82760  Collomia grandiflora J. M. Tucker 1950-7-25 1972 Modoc beside highway 139, 26.4 miles southeast of Tule Lake Comment
  UC907920  Collomia grandiflora F. H. Frost 1925-7-13 74 Modoc summit Warner Mts., Cedar Canyon Comment
  RSA75736  Collomia grandiflora Mrs. R. M. Austin 1893-08 456 Modoc Goose Lake Valley. Comment
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Sep 5 2010
  UC23607  Collomia grandiflora Milo S. Baker 1893-6 Modoc Lava Beds Comment
  CAS-BOT-BC190726  Collomia linearis Margaret J. Williams 1984-6-30 84- 81 -4 Modoc 9.6 mi. from Gerlach-Cedarville road on the Parker Creek road. W side of the Warner Mts., S of Cedar Pass. 1828 Comment
  CAS-BOT-BC190708  Collomia tinctoria John Thomas Howell 1934-7-1 12315 Modoc Duncan Horse Camp. 1355 Comment
  CAS-BOT-BC214801  Comarum palustre Robert Folger Thorne; C. W. Tilforth 1969-9-5 39162 Modoc Clear Lake, Warner Mts. Modoc National Forest 1767 Comment
  CAS-BOT-BC95590  Convolvulus arvensis Leland S. Smith 1924-6-6 1378 Modoc On big burn S of Egg Lake. Comment
  CAS-BOT-BC242184  Corallorhiza maculata Bruce Bartholomew 1989-7-14 4982 Modoc Field redacted by CAS, contact the data manager for more information 1580 Comment
  CAS-BOT-BC242185  Corallorhiza maculata K. Paulson; Robert Paulson 1989-7-2 162 Modoc Field redacted by CAS, contact the data manager for more information 1621 Comment
  CHSC109506  Cordylanthus capitatus L. P. Janeway; B. Castro 2012-7-26 11000 Modoc Warner Mountains. Along Highgrade National Recreation Trail 0.9 km south of Little Lily Lake and 1.4 air km north of Mt. Vida. 2340 Comment
  CAS-BOT-BC229878  Cordylanthus ramosus John Thomas Howell 1934-7-2 12350 Modoc Mowitz Creak, 1 mi. S of Clear Lake. Comment
  CAS-BOT-BC95596  Cornus sericea Bruce Bartholomew 1989-8-12 5132 Modoc Deep Creek, E side of Warner Mountains. 1920 Comment
  CAS-BOT-BC95598  Cornus sericea L. A. M. Black 1893-6-1 94 Modoc Davis Creek. Comment
  UC1280731  Cornus sericea subsp. sericea H. E. McMinn 1931-5-23 2457 Modoc Warner Mts., Cedarville Rd. Comment
  POM337580  Cornus stolonifera F. R. Fosberg 1957-8-18 38848 Modoc Upper Rush Creek Camp Ground, northeast of Adin. 1600 Comment
  CAS-BOT-BC190768  Corydalis aurea R. M. Austin 1885-6-1 s.n. Modoc Hill slopes, Pitt River. Comment
  POM140051  Crataegus castlegarensis Milo S. Baker 1893-1 s.n. Modoc [Unspecified] Comment
  CAS-BOT-BC197567  Crataegus douglasii Belknap C. Goldsmith 1910-5-9 5 Modoc Fandango Creek, W slopes Warner Mts. 1584 Comment
  CHSC115557  Crataegus douglasii Lowell Ahart; John Dittes 2015-7-15 20356 Modoc East side of Elkins Lane, about 50 yards southeast of the bridge across Ash Creek (destroyed), about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  CAS-BOT-BC14909  Crepis acuminata John Thomas Howell 1934-6-30 12289 Modoc Duncan Horse Camp Comment
  CAS-BOT-BC14906  Crepis acuminata Amos Arthur Heller 1938-6-24 15220 Modoc unspecified Comment
  UC726061  Crepis acuminata A. A. Heller 1938-6-24 15220 Modoc on US Hwy 299 between Alturas and Canby 1341 Comment
  CAS-BOT-BC14853  Crepis intermedia Elmer Ivan Applegate 1932-8-5 8180 Modoc Arid S slope of Cedar Mountain, Warner Mountains Comment
  CAS-BOT-BC14860  Crepis intermedia Bruce Bartholomew; Barrett Anderson 1988-6-25 4378 Modoc SW side of Jess Valley, Warner Mts.. 1540 Comment
  CAS-BOT-BC14892  Crepis intermedia Isabelo T. Kelly 1930-1-1 53 Modoc unspecified Comment
  CAS-BOT-BC14881  Crepis modocensis subsp. subacaulis Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16389 Modoc 5 mi. E of State Hwy 299 along Cedar Pass Road. Comment
  CAS-BOT-BC14856  Crepis occidentalis Annie Montague Alexander; Louise Kellogg 1946-6-28 4865 Modoc Mouth of Pine Creek Canyon, Warner Mountains 1524 Comment
  CAS-BOT-BC14863  Crepis occidentalis Bruce Bartholomew 1992-5-17 6348 Modoc On abandoned dirt track, SW side of White Horse Mountains, SW of White Horse Flat Reservoir. 1300 Comment
  CAS-BOT-BC14868  Crepis occidentalis Bruce Bartholomew 1992-8-9 6393 Modoc Upper region of Owl Creek drainage, below cliffs, E of Summit Trail, E side of Warner Mountains. 2470 Comment
  CAS-BOT-BC14900  Crepis occidentalis Bruce Bartholomew 1990-6-18 5359 Modoc 1.6 km S of Davis Creek on Hwy 395. 1450 Comment
  SEINET2142062 Image available Crepis occidentalis subsp. conjuncta Annie M. Alexander, Kellogg, Louise 1946-7-18 5016 Modoc Near Benton Meadow, Warner Mountains 2070 Comment
  UC748135  Crepis occidentalis subsp. conjuncta Annie M. Alexander and Louise Kellogg 1946-7-18 5016 Modoc near Benton Meadow; Warner Mountains 2072 Comment
  CAS-BOT-BC14859  Crepis occidentalis subsp. pumila Bruce Bartholomew; Barrett Anderson 1988-6-25 4384 Modoc 5.6 km NW of State Highway 299 on County Road 73. 1500 Comment
  CAS-BOT-BC95593  Cressa truxillensis Bruce Bartholomew 1991-8-4 6014 Modoc W side of Goose Lake, 10.5 km N of McGinty Point. 1460 Comment
  RSA603175  Cressa truxillensis L. C. Wheeler 1935-9-4 3951 Modoc Goose Lake: McGinty Point. 1463 Comment
  UC23221  Cressa truxillensis Mrs. R. M. Austin Aug., 1894 Modoc Davis Creek Comment
  CAS-BOT-BC14835  Crocidium multicaule Bruce Bartholomew 1993-4-3 6403 Modoc Adjacent to Turner Creek at County Rd 90, N end of Big Valley, 6.4 km N of Lassen County border. 1300 Comment
  CAS-BOT-BC14837  Crocidium multicaule Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-11 6484 Modoc 2.4 km E of Crowder Flat Road on road to S end of Big Sage Reservoir. 1620 Comment
  CHSC100390  Crypsis alopecuroides Lowell Ahart; John Dittes 2008-8-26 15352 Modoc On the bottom of Rose Creek, 550 feet southwest of confluence of Rose Creek and Pit River, on the northwest side of unnamed road,, 2860 feet east of intersection with County Road 85a, 9.3 miles (air) north-northeast of Lookout. 1276 Comment
  SEINET7073591  Cryptantha A. G. Vestal 1955-5-18 s.n. Modoc Modoc lava on Route 139. Modoc National Forest. UTM Zone 10, 646374mE, 4627855mN. Coordinate datum: NAD27. Comment
  CAS-BOT-BC54130  Cryptantha affinis Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-15 16506 Modoc 16 mi. W of Canby, along Hwy 139. Comment
  CAS-BOT-BC54133  Cryptantha ambigua John Thomas Howell 1934-6-30 12297 Modoc Duncan Horse Camp. 1355 Comment
  CAS-BOT-BC54136  Cryptantha circumscissa Bruce Bartholomew 1991-6-22 5833 Modoc E slope of S end of Warner Mountains, 3.4 km SW of County Road 1 on road to Patterson. 1620 Comment
  CAS-BOT-BC54138  Cryptantha circumscissa Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-10 6457 Modoc 7.9 km W of the Nevada border on the road to Eagleville, E side of Surprise Valley. 1445 Comment
  CAS-BOT-BC54142  Cryptantha circumscissa Bruce Bartholomew 1993-6-13 6618 Modoc Near the Nevada border, E of Eagleville, Surprise Valley. 1510 Comment
  HSC75575  Cryptantha intermedia G. M. Riegel 1980-7-14 877 Modoc S Warner Mtns. 1739 Comment
  HSC75576  Cryptantha intermedia G. M. Riegel 1979-6-30 451 Modoc S Warner Mtns. 1739 Comment
  UC24650  Cryptantha intermedia M. S. Baker and Frank Nutting 1894-6-29 Modoc near Lookout; Big Valley Comment
  UC726224  Cryptantha intermedia A. A. Heller 1941-6-26 16213 Modoc 8 mi w Alturas Comment
  HSC3584  Cryptantha muricata M. T. Milligan 1964-6-6 9 Modoc N side of Dorris Reservoir along shore 1372 Comment
  CAS-BOT-BC54078  Cryptantha torreyana Alice Eastwood; John Thomas Howell 1940-6-13 8168 Modoc Cedarville. Comment
  UC573118  Cryptantha torreyana F. H. Frost 1925-7-25 62 Modoc Eagle Peak Warner Mountains Comment
  CAS-BOT-BC54082  Cryptantha watsonii Harry Dwight Dillon Ripley; Rupert Charles Barneby 1944-6-1 6007 Modoc East of Cedarville. 1249 Comment
  UC1222086  Cupressus bakeri C. O. Stone 1963-12-26 278 Modoc approximately 1.5 mi s Gassaway Reservoir; Quadrangle 16C2 1097 Comment
  UC1321448  Cupressus bakeri C. O. Stone 1964-6-20 COS 292 Modoc 200 yds e Modoc-Siskiyou County line (on logging road); Fall River Mills Quad. 1072 Comment
  POM182428  Cuscuta indecora Milo S. Baker 1899-8-16 249 Modoc Little Hot Spring Valley Comment
  CAS-BOT-BC245136  Cyperus squarrosus Louis Cutter Wheeler 1935-9-3 3938 Modoc McGinty Reservoir, Devil's Garden. 1463 Comment
  RSA0016881  Cypripedium montanum Mrs. R. M. Austin, C. C. Bruce 1898-08 s.n. Modoc Ross Canyon Comment
  CAS-BOT-BC30212  Cystopteris fragilis Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16422 Modoc Near summit of Cedar Pass, between Alturas and Cedarville. 1958 Comment
  JEPS59984  Cystopteris fragilis F. H. Frost 1925-7-11 10 Modoc 2 mi above Cedarville (Cedar Canyon campsite) Comment
  RSA152455  Cystopteris fragilis I. L. Wiggins, Dorothy Wiggins 1961-6-12 16422 Modoc Near summit of Cedar Pass, between Alturus and Cedarville 1959 Comment
  UC123017  Cystopteris fragilis Mrs. R. M. Austin June 1894 170 Modoc Emigrant Springs; Lava Beds Comment
  CAS-BOT-BC245208  Damasonium californicum Peter Hamilton Raven; Otto Thomas Solbrig 1958-6-18 13325 Modoc Small lake at eastern outskirts of Lookout. Comment
  UC1536803  Damasonium californicum Gordon H. True Jr. 1939-6-6 1013 Modoc Gooch Swamp near Lookout; Gooch Swamp Comment
  CAS-BOT-BC242489  Danthonia unispicata C. L. Hitchcock 1940-5-28 6720 Modoc Near Surprise, ca. 15 mi. N of Alturas. 1402 Comment
  JEPS68530  Danthonia unispicata L. S. Smith 1917-7-2 63 1/2 Modoc N. Fk. Pine Creek Warner Mts. 2286 Comment
  POM265519  Danthonia unispicata C. L. Hitchcock 1940-5-28 6720 Modoc near Surprise, ca. 15 miles north of Alturas 1402 Comment
  UC682120  Danthonia unispicata G. L. Stebbins Jr. with A. A. Beetle 1942-5-30 3244 Modoc 7.3 mi e Adin (on hwy to Alturas) 1395 Comment
  UCR163912  Danthonia unispicata Jim Andre 1993-6-30 1404 Modoc Modoc Plateau, about 10 miles NW of Canby on Hwy 139, near NW end of Oak Ridge 1494 Comment
  CAS-BOT-BC214749  Dasiphora fruticosa Leland S. Smith 1917-8-6 131 Modoc Benton Meadows 2194 Comment
  CAS-BOT-BC214753  Dasiphora fruticosa K. Paulson; Robert Paulson 1990-7-2 212 Modoc Dismal Swamp, Warner Mts. Comment
  JEPS12204  Datura stramonium F. H. Frost 1925-7-18 82 Modoc 2 mi s of Cedarville (Cedarville roadside) Comment
  CHSC100460  Deinandra lobbii Lowell Ahart; John Dittes 2008-8-25 15328 Modoc On the east side County Road 91, 3.9 miles (air) north-northeast of Lookout. 1275 Comment
  SBBG128752  Deinandra lobbii L. Ahart, J. Dittes 2008-8-25 15328 Modoc vernal pools on E side County Rd 91, 3.9 mi (air) NNE of Lookout 1275 Comment
  CAS-BOT-BC217338  Delphinium andersonii James Vale; et al 1978-5-1 Modoc Lookout-Hackamore Road, N of Bieber. Comment
  NY487727  Delphinium menziesii C. L. Hitchcock 1940-5-27 6705 Modoc 15 miles northeast of Alturas 1676.4 Comment
  CAS-BOT-BC217350  Delphinium nudicaule Bruce Bartholomew 1992-5-14 6280 Modoc SW side of White Horse Mountains, SW of White Horse Flat Reservoir. 1370 Comment
  UC467760  Delphinium nudicaule Milo S. Baker 1894-1 Modoc Forestdale Comment
  CAS-BOT-BC217308  Delphinium nuttallianum Elmer Ivan Applegate 1932-7-9 7583 Modoc N slope of Bidwell Mountain, Warner Mountains. Comment
  UC9126  Delphinium nuttallianum Milo S. Baker 1893-6 Modoc Hillside; s face Comment
  JEPS23622  Delphinium stachydeum L. S. Smith 1918-8-7 1013 Modoc Camp One-T39-16 2438 Comment
  UCR163264  Deschampsia danthonioides Jim Andre 1993-7-2 1429 Modoc Modoc Plateau, about 10 miles NW of Canby on Hwy 139, near NW end of Oak Ridge 1494 Comment
  UC53603  Deschampsia elongata M. S. Baker and Frank Nutting 1894-8-25 Modoc near Forestdale Forestdale 1371 Comment
  CAS-BOT-BC58614  Descurainia pinnata subsp. glabra Fred D. Douthitt 1916-5-11 23 Modoc Juniper Flats near Flournoy Swale. 1524 Comment
  HSC6957  Descurainia sophia M. T. Milligan 1964-6-4 19 Modoc East D St. between 4th and 5th St., Alturas 1372 Comment
  CAS-BOT-BC190762  Dicentra uniflora Leland S. Smith 1922-5-28 1242 Modoc Happy Camp Mountain. 1889 Comment
  CAS-BOT-BC242120  Dichelostemma multiflorum John Thomas Howell 1934-6-11 11945 Modoc Parker Creek. 1584 Comment
  CAS-BOT-BC242121  Dichelostemma multiflorum Bruce Bartholomew 1994-5-14 6681 Modoc NW of Day between Oilar Ranch and Day Rock. 1190 Comment
  UC29895  Dieteria canescens var. shastensis Milo S. Baker 1893-6 Modoc Comment
  JEPS30363  Dimeresia howellii Peter H. Raven 1962-5-29 17879 Modoc 3.4 mi e Cedar Pass (in canyon s of highway); Warner Mountains Comment
  RSA155895  Dimeresia howellii Peter H. Raven 1962-5-29 17879 Modoc Canyon south of Hwy 3.4 miles east of Cedar Pass. Warner Mountains Comment
  CHSC57228  Diplacus cusickii David M. Thompson 1988-7-23 975 Modoc E side of Warner Mts. 3.7 mi S of Hwy 299 (at Cedarville) along Surprise Valley Road, then 1.5 mi W along Granger Canyon Road. 1500 Comment
  CAS-BOT-BC234441  Diplacus tricolor Bruce Bartholomew; Barrett Anderson 1989-6-3 4906 Modoc ca. 6 km NW of Egg Lake and ca. 0.8 km E of Service Flat Gulch. 1370 Comment
  HSC7537  Dipsacus fullonum M. T. Milligan 1964-8-8 223 Modoc 200 yards S of Pine Creek Blvd. on Hwy. 395 1372 Comment
  CAS-BOT-BC247765  Distichlis spicata Bruce Bartholomew; Barrett Anderson 1989-6-2 4814 Modoc Sand dunes at the SE corder of Upper Alkali Lake, E side of Surprise Valley. 1400 Comment
  CAS-BOT-BC248374  Distichlis spicata Isabel T. Kelly 1930-1-1 59 Modoc Fort Bidwell Comment
  CHSC109453  Dodecatheon alpinum B. Castro; L. P. Janeway 2012-7-24 1944 Modoc Warner Mountains. Along Forest Road/County Road 2 (the road from New Pine Creek to Fort Bidwell) 0.9 air mi east of Lily Lake and 1.1 air mi southwet of Dismal Swamp. 2250 Comment
  HSC80776  Dodecatheon alpinum G. M. Riegel 1979-7-5 497 Modoc S Warner Mtns. 2100 Comment
  POM77104  Dodecatheon alpinum subsp. majus R. M. Austin 1895-09 448 Modoc Tamaracks Comment
  SD46622  Dodecatheon conjugens Robert J. Weatherby 1955-7-7 1600 Modoc Dismal Swamp, no. Warner Mts. 2240 Comment
  CAS-BOT-BC218273  Dodecatheon conjugens var. conjugens Kenton L. Chambers 1964-4-28 2085 Modoc Hwy 139 between Tulelake and Canby, at junction with road to Perez, 3 mi. S of road to Clear Lake Reservoir. Comment
  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-BC218285  Dodecatheon conjugens var. conjugens Bruce Bartholomew; Mona Bourell 1990-4-27 5191 Modoc 1.1 km E of the Modoc National Forest boundary on Parker Creek Road. 1660 Comment
  CAS-BOT-BC218284  Dodecatheon conjugens var. conjugens R. M. Austin 1898-4-1 2308 Modoc Plains, Goose Lake. Comment
  CAS-BOT-BC95112  Downingia bacigalupii Leland S. Smith 1924-6-4 1368 Modoc S side of Egg Lake. Comment
  CAS-BOT-BC95126  Downingia bacigalupii R. M. Austin 1894-8-1 Modoc Goose Lake Valley. Comment
  CHSC106182  Downingia bacigalupii Lowell Ahart; John Dittes 2010-8-31 17124 Modoc About 400 yards west of Elkins Lane and the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  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
  POM253177  Downingia bacigalupii A. A. Heller 1938-6-24 15229 Modoc Near Adin, along U.S. Hwy 299. 1280 Comment
  RSA128296  Downingia bicornuta P. H. Raven, Otto T. Solbrig 1959-6-18 13323 Modoc About small lake at eastern outskirts of Lookout. Comment
  SEINET12329659  Downingia bicornuta N. H. Holmgren, Holmgren, P. K. 1980-1 9452 Modoc California Highway 139, 22.9 km (14.2 mi) west-northwest of junction with U.S. Highway 299, 21 km 1460 Comment
  CAS-BOT-BC95129  Downingia bicornuta var. bicornuta Bruce Bartholomew; Barrett Anderson 1990-7-19 5413 Modoc Turner Creek at County Rd 90, N end of Big Valley, 6.4 km N of Lassen County border. 1230 Comment
  UC1116673  Downingia bicornuta var. bicornuta Beecher Crampton 1960-6-17 5701 Modoc 13 mi w Canby; McKay Flat 1280 Comment
  UC1537635  Downingia bicornuta var. bicornuta Gordon H. True Jr. 1939-6-25 1034 Modoc ne of Alturas; Boles Meadow Comment
  CAS-BOT-BC95134  Downingia cuspidata Bruce Bartholomew 1993-6-12 6606 Modoc Flat between Egg Lake and Lookout just E of railroad track. 1260 Comment
  UC1520664  Downingia insignis Noel H. Holmgren and Patricia K. Holmgren 1980-7-1 9456 Modoc 1.4 mi ne U.S. Highway 299 junction with Calif. Highway 139 to Canby 1310 Comment
  UC635667  Downingia insignis F. H. Frost 1925-7-28 176 Modoc between Likely and Alturas Comment
  CAS-BOT-BC58552  Draba densifolia Bruce Bartholomew 1991-8-5 6074 Modoc Summit Trail, NW side of Squaw Peak, W side of Warner Mts. 2450 Comment
  CAS-BOT-BC58598  Draba densifolia Clare Butterworth Hardham 1961-6-20 7885 Modoc Road from Mt. Bidwell to Dismal Swamp. 2438 Comment
  JEPS90139  Draba densifolia Dean W. Taylor 1992-5-8 12558 Modoc 0.5 mi e of Moonlite Mines (Warner Mountains, Mount Bidwell); Warner Mountains, Mount Bidwell 2432 Comment
  JEPS53522  Draba densifolia Mrs. R. M. Austin and Bruce 1898-6-18 2133 Modoc Lake City Pass 2133 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-BC58596  Draba novolympica Bruce Bartholomew 1991-8-5 6053 Modoc Summit Trail between Squaw Peak and Cottenwood Lake, crest of the Warner Mts. 2530 Comment
  CAS-BOT-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-BC58593  Draba verna Bruce Bartholomew; Barrett Anderson 1989-4-27 4620 Modoc 2.1 km SSE of Day on road to State Highway 299. 1020 Comment
  JEPS122445  Dracocephalum parviflorum B. Castro, L. P. Janeway 2014-6-7 2028 Modoc Warner Mtns. East side of crest of Warner Mountains 1.1 mi E of Cedar Pass, 1.1 mi N of Highway 299 along Stough Reservoir Rd (USFS Rd 43N07) ca 0.4 mi E of Stough Reservoir. Quad: Cedarville 7.5'. Comment
  CAS-BOT-BC527340  Drymocallis glandulosa var. reflexa Barrett Anderson 1986-7-9 3182 Modoc Stough Reservoir Road just east of Cedar Pass near Stough Reservoir, Warner Mountains 1965 Comment
  JEPS47208  Drymocallis glandulosa var. reflexa Frances D. Payne 1931-6-21 221 Modoc at base of cliffs on ridge w Dry Creek (s and e of Alturas, tributary of Parker Creek); Warner Mountains, Parker Creek, ridge w of Dry Creek 1981 Comment
  CAS-BOT-BC214756  Drymocallis lactea var. lactea Elmer Ivan Applegate 1932-8-1 8056 Modoc N slope of Warren Peak near summit, Warner Mts. 2743 Comment
  CHSC70776  Echinochloa crus-galli A. Sanger 1997-9-23 2658 Modoc Willow Creek 1 mile east of Clear Lake. In meadow along creek. 1371 Comment
  CAS-BOT-BC95640  Elatine John Thomas Howell 1934-6-15 12200 Modoc Dorris Reservoir. Comment
  UC1101554  Elatine ambigua Herbert L. Mason 1947-7-10 13347 Modoc 2 air mi e Alturas (on little island); Doris Reservoir Comment
  RSA604672  Elatine brachysperma L. C. Wheeler 1935-8-3 3763 Modoc Warner Mountains: Pine Creek. 1738 Comment
  CHSC112826  Elatine californica Lowell Ahart; John Dittes 2013-7-24 18918 A Modoc Around a man made pond, north side of Ash Creek Floodplain, 0.54 mile (air) southeast of Pilot Butte Parking Area, 1.1 miles (air) south of County Road 87, 6.8 miles (air) west of Adin, Big Valley. 1263 Comment
  JEPS127187  Elatine californica Lowell Ahart, John Dittes 2016-7-16 21245 Modoc South of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.75 miles (air) west of Adin, Big Valley. Comment
  JEPS127157  Elatine rubella Lowell Ahart, John Dittes 2016-7-14 21169 Modoc South of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. Comment
  POM312317  Elatine rubella Verne Grant, Irving Schneider, Grant 1947-7-29 8180 Modoc Fitzhugh Creek, near Payne Reservoir, south of Alturas. Comment
  RSA210828  Elatine rubella R. F. Thorne, James Henrickson, C. W. Tilforth, K. Thorne 1969-9-4 39103 Modoc N Fork of Pit River 3.4 mi N of Alturas where crossed by Hwy 395. 1341 Comment
  UC1100605  Eleocharis coloradoensis Verne Grant, Irving Schneider 1947-7-19 8081 Modoc N of Likely (Williams Ranch) Comment
  CHSC110892  Eleocharis macrostachya Lowell Ahart; John Dittes 2012-7-11 18333 Modoc On the bottom of a gravel pit, north edge of the meadow, about 1/8 mile east of the parking area on the east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  POM229182  Eleocharis quinqueflora L. C. Wheeler 1935-8-15 3862 Modoc Dismal Swamp, Twenty Mile Creek, Warner Mts. 2226 Comment
  UCD49861  Eleocharis quinqueflora var. suksdorfiana Louis C. Wheeler 1935-7-15 3862 Modoc Dismal Swamp, twenty Mile Creek, Warner Mts., Modoc Co. 2225 Comment
  CAS-BOT-BC247720  Elymus X hansenii Clare Butterworth Hardham 1961-6-20 7869 Modoc Pine Creek Canyon. Comment
  CAS-BOT-BC247721  Elymus X hansenii Bruce Bartholomew; Barrett Anderson 1988-6-23 4287 Modoc Widow Valley, 18.0 km W of Day on County Road 94. 1230 Comment
  RSA503034  Elymus elymoides Bruce Bartholomew, B. Anderson 1988-6-23 4221 Modoc 2.1 km SSE of Day on the road to State Highway 299. 1020 Comment
  UCD61511  Elymus elymoides J. C. Hayes 1935-6-25 Modoc Alturas. Comment
  UCD61579  Elymus elymoides L. Whitney 1935-7-2 Modoc Badger Well. Comment
  CAS-BOT-BC247749  Elymus elymoides subsp. elymoides Bruce Bartholomew; Barrett Anderson 1989-6-2 4804 Modoc 6.4 km E of Fort Bidwell on road to Fee Reservoir, NE corner of Surprise Valley. 1460 Comment
  CAS-BOT-BC247753  Elymus elymoides subsp. elymoides Roxana Stinchfield Ferris; L. Lorraine 1941-8-14 10587 Modoc 3 mi. from Patterson Ranger Station on road to Eagleville. Comment
  CAS-BOT-BC247756  Elymus elymoides subsp. elymoides Clare Butterworth Hardham 1961-6-19 7855 Modoc Willow Creek. Comment
  CHSC112389  Elymus elymoides var. californicus L. P. Janeway; B. Castro 2014-6-3 11317 Modoc Great Basin. Top of knoll between the lower end of Long Canyon and the lower end of Poison Springs Canyon, overlooking north end of Surprise Valley. Comment
  UCD32692  Elymus glaucus Beecher Crampton 1954-7-6 2107 Modoc Modoc County, Road 56, following Shields Creek into Warner Mountains, 22 miles east of Alturas. Comment
  JEPS73991  Elymus glaucus subsp. glaucus Frances D. Payne 1932-7-18 709 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  CAS-BOT-BC247734  Elymus lanceolatus subsp. lanceolatus Bruce Bartholomew; Barrett Anderson 1988-7-21 4449 Modoc Dry hillside, SW side of Jess Valley, Warner Mts.. 1540 Comment
  CAS-BOT-BC247735  Elymus lanceolatus subsp. lanceolatus Bruce Bartholomew; Barrett Anderson 1988-7-22 4483 Modoc Vicinity of East Creak Trailhead, southern end of the Warner Mts. 2210 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
  UC1025027  Elymus trachycaulus Leo Whitney 1935-7-21 3528 Modoc Pit River Comment
  UC803948  Elymus trachycaulus G. L. Stebbins Jr., P. Dansereau, K. Narayan, and C. McMillan 1949-8-7 4010 Modoc 35 mi s Tule Lake; Mud Lake 1524 Comment
  UCD32709  Elymus trachycaulus Beecher Crampton 1954-7-7 2137 Modoc Modoc County, west side of Cedar Pass. Comment
  RSA185237  Elymus trachycaulus subsp. trachycaulus Jack Reveal 1963-7-21 582 Modoc Along the edges of Wet Meadow Comment
Read comments
Jul 6 2013
  RSA600236  Epilobium anagallidifolium Louis C. Wheeler 1935-9-27 4009 Modoc Devil's Garden: Grizzly Spring. 1524 Comment
  CAS-BOT-BC191037  Epilobium angustifolium subsp. circumvagum Bruce Bartholomew 1991-7-6 5971 Modoc 0.8 km NE of Curtis Waterhole. 1310 Comment
  CAS-BOT-BC191039  Epilobium angustifolium subsp. circumvagum Leland S. Smith 1919-7-1 980 Modoc Coyote Creek, Warner Mts. 1828 Comment
  CAS-BOT-BC191013  Epilobium brachycarpum Bruce Bartholomew 1989-8-10 5038 Modoc Little Hot Spring Valley, 3.2 km NW of Day. 1070 Comment
  CAS-BOT-BC191016  Epilobium brachycarpum Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16368 Modoc Junction of Cedar Pass road with Hwy 299. Comment
  JEPS114669  Epilobium brachycarpum Lowell Ahart, John Dittes 2008-8-25 15277 Modoc On the west side of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout 1276 Comment
  SEINET6635824 Image available Epilobium brachycarpum Verne Grant, Irving Schneider 1947-8-27 8308 Modoc ca. 10 mi S of Tulelake, Modoc National Forest Comment
  UC1191736  Epilobium brachycarpum Verne Grant and Irving Schneider 1947-7-18 8046 Modoc 5 mi n Bayley's bridge (s of Alturas); Eastside Canal Comment
  HSC16318  Epilobium brachycarpum M. T. Milligan 1965-6-27 359 Modoc E slope of eroded volcanic plateau. 1677 Comment
  UC1191731  Epilobium brachycarpum Verne Grant and Irving Schneider 1947-8-29 8354 Modoc at bridge by Coal Stone Valley; Pit River Comment
  SEINET188698  Epilobium glaberrimum subsp. fastigiatum Bud Fuller 1936-7-10 57 Modoc 15 miles NE Alturas 1524 Comment
  CAS-BOT-BC190941  Epilobium oregonense Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10519 Modoc Patterson Ranger Station (East Creek drainage). 2164 Comment
  CAS-BOT-BC190929  Epilobium pallidum Herbert Louis Mason; Verne Grant 1947-7-13 13441 Modoc Joseph Creek on Hwy 395. Comment
  CAS-BOT-BC190940  Epilobium pallidum Bruce Bartholomew 1991-7-4 5898 Modoc S end of Higgins Flat. 1370 Comment
  UCD77623  Epilobium pallidum Robert E. Preston 2000-7-18 1399 Modoc Ca. 12 miles NW of Canby, along Highway 139, 1.6 miles E of Forest Service Road 44N11. 1490 Comment
  CAS-BOT-BC190874  Epilobium pygmaeum D. M. Moore 1960-6-4 117 Modoc 2.1 mi. W of Davis Creek on road to W side of Goose Lake. Comment
  CAS-BOT-BC190875  Epilobium pygmaeum Verne Grant; I. Schneider 1947-7-18 8049 Modoc Eastside Canal, 5 mi. N of Bayley's bridge, S of Alturas. Comment
  CAS-BOT-BC190863  Epilobium torreyi Bruce Bartholomew 1994-8-20 6857 Modoc W side of Goose Lake, N of McGinty Point. 1450 Comment
  JEPS89834  Equisetum arvense Dean W. Taylor 1992-5-8 12557 Modoc ca. 1.5 air mi. w. of Oregon State Line Pine Creek Canyon; Warner Mts., Pine Creek Canyon 1554 Comment
  JEPS127319  Equisetum laevigatum Lowell Ahart, John Dittes 2016-7-14 21211 -B 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
  RSA252421  Equisetum laevigatum R. F. Thorne, C. W. Tilforth 1969-9-5 39182 Modoc South Fork of Pit River at bridge, 3.8 miles E of Likely 1387 Comment
  CAS-BOT-BC95477  Eremogone aculeata Annie Montague Alexander; L. Kellogg 1946-6-27 4846 Modoc Highgrade, top of ridge, 2 mi. by road from Dismal Swamp. Comment
  CAS-BOT-BC95494  Eremogone aculeata Elmer Ivan Applegate 1932-8-5 8171 Modoc Cedar Pass, Warner Mts. Comment
  CAS-BOT-BC95441  Eremogone congesta Barrett Anderson 1986-7-10 3206 Modoc 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
  SEINET12875573 Image available Eremogone congesta var. subcongesta John Thomas Howell, Alice Eastwood 1940-1 8110 Modoc Surprise Comment
  CHSC67117  Eriastrum signatum James D. Jokerst 1987-6-24 2941 Modoc Ca. 5 mi WSW of Alturas on BLM land ca. 1 mi W of Three Sisters, SW face of slope of summit immediately N of junction of Rds. 76 and 75. Comment
  HSC5736  Ericameria bloomeri M. T. Milligan 1966-7-29 492 Modoc Slopes and ridges E of Jess Valley 1677 Comment
  JEPS31338  Ericameria bloomeri L. S. Smith 1918-8-11 1025 Modoc Camp One Modoc National Forest 2468 Comment
  JEPS32963  Ericameria bloomeri W. L. Jepson 1918-8-13 7963 Modoc Eagle Peak Warner Mts., Eagle Peak 2682 Comment
  CAS-BOT-BC14778  Ericameria discoidea Francis Dorris Payne 1932-7-21 727 Modoc Mt. Warren, Warner Mts. Comment
  CAS-BOT-BC14776  Ericameria greenei Robert Patterson; Mona Bourell 1993-8-15 5239 Modoc Warner Mountains. Along trail from Patterson Lake to ca. 2 mi north towards Pepperdine Trailhead. 2743 Comment
  CAS-BOT-BC14821  Ericameria greenei Louis Cutter Wheeler 1935-8-14 3854 Modoc Lily Lake, Warner Mountains 2133 Comment
  UC748095  Ericameria greenei Annie M. Alexander and Louise Kellogg 1946-8-9 5132 Modoc on slope above Patterson Lake; Warner Mountains, Patterson Lake Comment
  HSC5202  Ericameria nauseosa var. graveolens Mrs. M. H. Manning 1902-10-4 14 Modoc Comment
  CHSC70464  Ericameria nauseosa var. speciosa A. Sanger 1997-8-21 2606 Modoc Along road south of large burn plantation, approx. 1.5 miles south of Forest Rd. 44N77. 1389 Comment
  CAS-BOT-BC383141  Ericameria nauseosa var. washoensis Andrew Townesmith; Karen M. Meyer 2007-9-15 927 Modoc Modoc National Forest, Warner Mountain Ranger District. Along state route 299, 10.9 miles west of junction with US route 395. At Cedar Pass 1928 Comment
  NY168408  Erigeron austiniae R. M. Austin 05 1894 6432 Modoc Davis Creek Comment
  SBBG29975  Erigeron bloomeri C. L. Hitchcock 1940-5-27 6669 Modoc 15 mi NE of Alturas 1615 Comment
  SEINET10617400  Erigeron bloomeri Billy Joe Cox, Paul Gallian 1971-6-3 Cox 2612 Modoc 6 mi. N of Alturas on U.S. Hwy. 395, W facing slope, in middle of grassland pasture edging into Artemisia which adjoins Juniper woodland. 1341 Comment
  CAS-BOT-BC42811  Erigeron bloomeri var. bloomeri C. L. Hitchcock 1940-5-27 6669 Modoc 15 mi. NE of Alturas. 1615 Comment
  RSA0049628  Erigeron bloomeri var. bloomeri Dean Wm. Taylor 2012-6-5 21217 Modoc Vicinity Crank Spring (11 air miles North of Lookout) 1365 Comment
  CHSC66992  Erigeron chrysopsidis var. austiniae James D. Jokerst 1987-5-11 2834 Modoc Radar Survey Site S of Doublehead Mtn., S of Clear Lake Reservoir, W of dry lake, ca. 0.33 mi to end of dirt road, then ca. 200 ft. N. 1353 Comment
  RSA302220  Erigeron chrysopsidis var. austiniae J. R. Shevock 1972-5-20 1808 Modoc West of Alturas, highway 299. 1372 Comment
  CAS-BOT-BC294960  Erigeron compositus Mrs. C. C. Bruce 1898-6-1 2180 Modoc Lake City Mt. Comment
  CAS-BOT-BC42780  Erigeron divergens C. C. (Mrs.) Bruce 1894-8-1 60 Modoc Davis Creek. Comment
  CAS-BOT-BC42751  Erigeron eatonii var. plantagineus Bruce Bartholomew 1993-6-14 6677 Modoc Open moist flat SW of Stovepipe Flat Tank just N of road between Deer Hill and Duncan Reservoir. 1530 Comment
  CAS-BOT-BC42786  Erigeron eatonii var. plantagineus Roxana Stinchfield Ferris; L. Lorraine 1941-8-14 10585 A Modoc 3 mi. from Patterson Ranger Station on road to Eagleville, Warner Mountains Comment
  CAS-BOT-BC42789  Erigeron eatonii var. plantagineus C. C. (Mrs.) Bruce 1893-7-1 100 Modoc Davis Creek. Comment
  CHSC117880  Erigeron eatonii var. plantagineus L. P. Janeway 2016-5-17 12010 Modoc Modoc Plateau. Devils Garden area; flat just below (west of) Porcupine Rim; 0.3 km north of Road 43N18; 4.0 air-km west of Big Sage Reservoir 1544 Comment
  UC87676  Erigeron eatonii var. plantagineus Mrs. R. M. Austin June 1894 Modoc Lava Beds Comment
  CAS-BOT-BC42761  Erigeron eatonii var. plantagineus R. M. Austin 1894-6-1 s.n. Modoc Lava beds, Modoc County. Comment
  JEPS22366  Erigeron filifolius W. L. Jepson 1918-8-7 7894 Modoc Mt. Bidwell 2286 Comment
  CHSC39008  Erigeron filifolius var. filifolius J. D. Jokerst 1983-6-18 1861 Modoc Forest Service Rd 73 0.4 miles south of Crowder Flat Station. East side of road. Comment
  CAS-BOT-BC49615  Erigeron glacialis var. glacialis Louis Cutter Wheeler 1935-8-8 3806 Modoc Pine Creek, Warner Mountains Comment
  CAS-BOT-BC49617  Erigeron glacialis var. glacialis Elmer Ivan Applegate 1932-7-9 7593 Modoc N slope of Bidwell Mountain, Warner Mountains Comment
  HSC5082  Erigeron glacialis var. glacialis M. T. Milligan 1964-7-25 176 Modoc Pine Creek Basin, along trail. 2439 Comment
  JEPS5925  Erigeron glacialis var. glacialis Frances D. Payne 1931-6-25 263 Modoc 2 mi sw Warren Peak; Warner Mts., Pine Creek Basin 2316 Comment
  JEPS5926  Erigeron glacialis var. glacialis Frances D. Payne 1931-6-29 305 Modoc e slope Warner Peak; Warner Mountains, Warner Peak 2286 Comment
  CAS-BOT-BC49603  Erigeron linearis Bruce Bartholomew; Barrett Anderson 1989-6-2 4825 Modoc 9.7 km E of Eagleville at the California state border, E side of Surprise Valley. 1550 Comment
  CAS-BOT-BC49606  Erigeron linearis Leland S. Smith 1918-6-23 963 Modoc High Grade, North Warner Mtns. 2133 Comment
  CAS-BOT-BC49608  Erigeron linearis Francis Dorris Payne 1929-6-19 10 Modoc Parker Creek, Warner Mtns. 1584 Comment
  UC748380  Erigeron linearis Annie M. Alexander and Louise Kellogg 1946-8-9 5137 Modoc Patterson Lake Trail Warner Mountains, Patterson Lake Trail Comment
  UC748382  Erigeron linearis Annie M. Alexander and Louise Kellogg 1946-6-27 4851 Modoc top of ridge, 2 mi by road from Dismal Swamp (n end of Warner Mountains); Warner Mountains, Highgrade 2377 Comment
  SD5435  Erigeron linearis Mrs. R. M. Austin Unknown Modoc New Pine Creek Comment
Read comments
Jul 11 2010
  CDA35644  Erigeron peregrinus J. R. Keck Jr. 1985-7-11 PDR# 237700 Modoc Davis Creek, Modoc National Forest. Comment
  CAS-BOT-BC49576  Erigeron philadelphicus Bruce Bartholomew 1989-8-12 5128 Modoc Deep Creek, E side of Warner Mountains. 1920 Comment
  CAS-BOT-BC49578  Erigeron philadelphicus Annie Montague Alexander; L. Kellogg 1946-7-7 4918 Modoc Below Lake City. Comment
  CAS-BOT-BC49582  Erigeron philadelphicus Bruce Bartholomew; Barrett Anderson 1988-6-24 4355 Modoc 9.8 km SW of County road 1 on County Road 42, E side of the Warner Mts.. 1960 Comment
  HSC28534  Erigeron philadelphicus D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19379 Modoc Along the S Fork of the Pit River, ~6 mi. E of Likely. Comment
  UC748388  Erigeron philadelphicus var. philadelphicus Annie M. Alexander and Louise Kellogg 1946-8-10 5149 Modoc 0.5 mi beyond Porter Resvr. Rd. (small camp in firs for hunters); Warner Mountains Comment
  JEPS89672  Erigeron tener Dean Wm. Taylor with Glenn L. Clifton 1989-8-5 10444 Modoc cirque headwall above South Emerson Lake (Emerson Creek drainage); Warner Mountains 2560 Comment
  CAS-BOT-BC497225  Eriogonum caespitosum Margaret J. Williams 1988-5-30 88- 26 -8 Modoc Jess Valley, E of Likely, S of roadside rest. 1524 Comment
  CAS-BOT-BC197828  Eriogonum elatum Leland S. Smith 1917-7-18 75 Modoc Soldier Creek. 1828 Comment
  JEPS57005  Eriogonum elatum var. elatum W. L. Jepson 1918-8-9 7919 Modoc 3 mi s Ft. Bidwell 1432 Comment
  JEPS91179  Eriogonum elatum var. elatum Dean Wm. Taylor with Glenn L. Clifton 1989-8-5 10454 Modoc Warner Mountains, Emerson Creek drainage; cirque headwall above South Emerson Lake 2560 Comment
  RSA65181  Eriogonum elatum var. elatum F. W. Peirson 1926-6-25 6860 Modoc West slope of Warner Mountains on Cedarville Road. Comment
  CAS-BOT-BC197806  Eriogonum heracleoides var. heracleoides Bruce Bartholomew 1991-8-5 6047 Modoc Summit Trail between Squaw Peak and Cottenwood Lake, crest of the Warner Mts. 2470 Comment
  CAS-BOT-BC197817  Eriogonum heracleoides var. heracleoides Ernest Brown Babcock; George Ledyard Stebbins 1936-6-9 1816 Modoc Cedar Creek Canyon, about 3 miles west of Cedarville, Warner Mts. 1737 Comment
  CHSC109507  Eriogonum heracleoides var. heracleoides L. P. Janeway; B. Castro 2012-7-26 11001 Modoc Warner Mountains. Along Highgrade National Recreation Trail 0.9 km south of Little Lily Lake and 1.4 air km north of Mt. Vida. 2340 Comment
  HSC17358  Eriogonum heracleoides var. heracleoides M. T. Milligan 1966-8-3 636 Modoc West slope of Eagle Peak. 2439 Comment
  RSA65209  Eriogonum heracleoides var. heracleoides F. W. Peirson 1926-6-25 6863 Modoc Warner Mountains; not far below summit in small side canyon; Cedarville Road, west slope Comment
  HSC75597  Eriogonum microthecum var. ambiguum G. M. Riegel 1980-7-14 868 Modoc S Warner Mtns. 1829 Comment
  CAS-BOT-BC197803  Eriogonum microthecum var. laxiflorum B. Clear 1945-8-10 Modoc Newell fire tower. Comment
  CAS-BOT-BC197798  Eriogonum microthecum var. microthecum John Thomas Howell 1934-6-13 12098 Modoc Patterson Mill Road, Warner Mts. 1676 Comment
  CDA35639  Eriogonum nudum J. R. Keck Jr. 1985-7-1 PDR# 237693 & PDR# 237694 Modoc U. S. Forest Service land, Modoc National Forest. 0 Comment
  CAS-BOT-BC211410  Eriogonum nudum var. pubiflorum R. M. Austin; Bruce 1898-8-1 2316 Modoc Goose Lake Valley. Comment
  CAS-BOT-BC211411  Eriogonum nudum var. pubiflorum Francis Dorris Payne 1932-7-11 691 Modoc Parker Creek. 1584 Comment
  CAS-BOT-BC211442  Eriogonum nudum var. pubiflorum Noel Herman Holmgren; J. L. Reveal 1964-8-21 1717 Modoc About 5 miles SW of Eagleville on the Eagleville-Likely Road. Modoc National Forest, Warner Range Comment
  CAS-BOT-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
  RSA210870  Eriogonum nudum var. pubiflorum Robert F. Thorne, C. W. Tilforth 1969-9-4 39052 Modoc Along N Fork of Pit River, 11.8 miles N of Alturas along Highway 395. 1372 Comment
  NY762341  Eriogonum nudum var. pubiflorum B. M. Bartholomew 1988-6-23 4245 Modoc 4.2 km northwest of Day. Fall River Mills 15' Quad. Comment
  RSA614431  Eriogonum nudum var. pubiflorum R. R. Halse 1991-7-28 4244 Modoc Along State Highway 139, 13 miles NW of its junction with State Highway 299 1469 Comment
  SEINET5330940  Eriogonum nudum var. pubiflorum M. J. Williams 1983-7-29 83- 115 -1 Modoc Stowe Reservoir Rd., N of Cedar Pass, Warner Mtns 2073 Comment
  SEINET5330946  Eriogonum nudum var. pubiflorum N. H. Holmgren, James Lauritz Reveal 1964-8-21 1717 Modoc Warner Range, Modoc National Forest, about 5 miles southwest of Eagleville on the Eagleville-Likely Road, Comment
  SEINET5330947  Eriogonum nudum var. pubiflorum J. Gentry Jr. 1968-7-4 2114 Modoc 3.9 miles west of Hwy. jct. Calif. 139 and Calif. 299, on Calif. 299 at Pit River. 1341 Comment
  JEPS56563  Eriogonum prociduum Frances D. Payne 1931-6-29 280 Modoc Trail from Granger Pass to Mt. Warren; Warner Mountains 2438 Comment
  NY283083  Eriogonum spergulinum var. reddingianum B. M. Bartholomew 1991-8-5 6026 Modoc Summit trail between Pepperdine and Squaw Peak, W side of Warner Mts. 2190 Comment
  CHSC112343  Eriogonum sphaerocephalum L. P. Janeway; B. Castro 2014-6-2 11280 Modoc Great Basin. Along County Road 5 1.0 km west of the southwest corner of Cow Head Lake. 1627 Comment
  RSA165569  Eriogonum sphaerocephalum Clare B. Hardham 1961-6-20 7870 Modoc Pine Creek. 1677 Comment
  RSA339146  Eriogonum sphaerocephalum Margaret J. Williams 1985-7-1 84- 87 -5 Modoc NW of Vlturas, Crowder Flat Rd., near Big Sage Reservoir. 1372 Comment
  UCD101199  Eriogonum sphaerocephalum Beecher Crampton; Carl Rimbey 1954-7-6 2122 Modoc 6 miles east of Alturas, along road 56, Collis Ranch. Comment
  CAS-BOT-BC211377  Eriogonum sphaerocephalum var. halimioides Margaret J. Williams 1984-7-1 84- 88 -1 Modoc NW of Alturas, 3.5 mi N of Hwy 299, Crowder Flat Road. 1371 Comment
  CHSC100839  Eriogonum sphaerocephalum var. halimioides L. P. Janeway; B. Castro 2008-8-17 9575 Modoc Warner Mountains. 2.4 km east of Bald Mountain; broad saddle between Daniels Creek and an unnamed northern branch of Soldier Creek. 2209 Comment
  CHSC114015  Eriogonum sphaerocephalum var. halimioides L. P. Janeway 2014-7-7 11439 Modoc Warner Mountains. East side of crest of Warner Mountains 2.3 air-km east of Cedar Pass; along Road 43N07 1.4 road-km east of Stough Reservoir. 2000 Comment
  JEPS126553  Eriogonum sphaerocephalum var. halimioides Lowell Ahart, John Dittes 2016-6-6 20953 Modoc About 50 yards southwest of the intersection of County Road 87 and Access Road to Pilot Butte Parking Area, northeast base of Pilot Butte, 3.8 miles (air) east of Lookout, 7.5 miles (air) west of Adin, Ash Creek State Wildlife Area. Comment
  JEPS19753  Eriogonum sphaerocephalum var. halimioides Rimo Bacigalupi with S. Galen Smith 1957-6-28 5987 Modoc about 2 mi e S.P. railroad crossing near Canby 1310 Comment
  JEPS56305  Eriogonum sphaerocephalum var. halimioides Frances D. Payne 1932-6-26 604 Modoc High ridges n of Parker Creek (s and e of Alturas); Warner Mountains, Parker Creek 1828 Comment
  UC1334498  Eriogonum sphaerocephalum var. halimioides Dorothy E. Beetle 1941-6-29 66 Modoc at the pass of the road to Cedarville 2118 Comment
  UC466004  Eriogonum sphaerocephalum var. halimioides W. P. Taylor and H. C. Bryant 1910-6-26 Modoc Parker Cr. Warner Mountains, Parker Cr. 1920 Comment
  UC849733  Eriogonum sphaerocephalum var. halimioides A. A. Heller 1938-6-24 15224 Modoc between Alturas and Canby 1341 Comment
  CAS-BOT-BC211357  Eriogonum strictum subsp. anserinum John Thomas Howell 1934-6-11 11934 Modoc Parker Creek, Warner Mts. 1584 Comment
  UC1250295  Eriogonum strictum var. anserinum Annie M. Alexander and Louise Kellogg 1946-7-24 5072 Modoc Horse Mountain Warner Mountains, Horse Mountain Comment
  CAS-BOT-BC497224  Eriogonum strictum var. proliferum Margaret J. Williams 1988-5-30 88- 26 -9 Modoc Jess Valley, E of Likely, S of roadside rest. 1524 Comment
  NY399144  Eriogonum umbellatum var. dichrocephalum N. H. Holmgren 1964-8-22 1720 Modoc Warner Range, just below the top of Eagle Peak 3027.9 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
  RSA0118778  Eriogonum umbellatum var. dumosum Lawrence P. Janeway, B. Castro 2012-7-28 11036 Modoc Warner Mountains. At Obsidian Needles Obsidian Collecting Area; along Road 43N34 overlooking North Fork Davis Creek about 6.0 air km east-northeast of the community of Davis Creek (on Hwy 395). Comment
  JEPS120514  Eriogonum umbellatum var. glaberrimum L. P. Janeway, B. Castro 2012-7-25 10991 Modoc Warner Mountains. Low broad dridge 1.1 km east of Dismal Swamp. Comment
  CHSC117054  Eriogonum umbellatum var. modocense Lowell Ahart; John Dittes 2016-6-6 20946 Modoc About 40 yards west of the dirt road, about 50 yards southwest of the intersection of County Road 87 and Access Road to Pilot Butte Parking Area, northeast base of Pilot Butte, 3.8 miles (air) east of Lookout, 7.5 miles (air) west of Adin, Ash Creek State Wildlife Area. 1271 Comment
  CHSC12943  Eriogonum umbellatum var. modocense K. R. Stern; D. B. Joley, J. G. Geschke 1974-6-23 5835 Modoc On bank of white volcanic tuff on e side of Hwy. 395, ca. 3.5 mi n of intersection with Hwy. 299 and ca. 0.2 mi n of Chimney Rock turnoff. 1389 Comment
  UC85975  Eriogonum umbellatum var. modocense Oliver Austin July 1884 Modoc Goose Lake Valley Comment
  HSC17347  Eriogonum umbellatum var. modocense M. T. Milligan 1964-6-20 47 Modoc E A St. near Hwy. 395, Alturas 1372 Comment
  CAS-BOT-BC197788  Eriogonum umbellatum var. nevadense Francis Dorris Payne 1929-7-20 105 Modoc Parker Creek, Warner Mts. 1584 Comment
  CAS-BOT-BC197792  Eriogonum umbellatum var. nevadense John Thomas Howell 1934-6-11 11940 Modoc Parker Creek, Warner Mts. 1584 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
  CAS-BOT-BC197613  Eriogonum umbellatum var. polyanthum Bruce Bartholomew 1990-6-15 5246 Modoc Top of Manzanita Mountain in vicinity of Manzanita Lookout. 2130 Comment
  CAS-BOT-BC197616  Eriogonum umbellatum var. polyanthum Bruce Bartholomew 1990-6-18 5380 Modoc Crowder Flat Rd, 0.3 km N of turn off to Big Sage Reservoir. 1480 Comment
  SEINET5331989  Eriogonum umbellatum var. polyanthum M. J. Williams 1984-7-1 84- 86 -3 Modoc 3.1 mi N of Hwy 299 on Crowder Flat Road. 1341 Comment
  CAS-BOT-BC197589  Eriogonum vimineum John Thomas Howell 1934-7-1 12301 Modoc Duncan Horse Camp. 1355 Comment
  CAS-BOT-BC197597  Eriogonum vimineum James D. Jokerst 1983-7-27 1905 Modoc Signal Butte. 1340 Comment
  SEINET10299473  Eriogonum vimineum J. M. Tucker 1951-7-25 1971 Modoc Beside highway 139, 26.4 miles southeast of Tule Lake Comment
  UCSB17174  Eriogonum vimineum Hardham, Clare Modoc Davis Creek, Warner Mountains 1676 Comment
  CAS-BOT-BC49600  Eriophyllum lanatum Elmer Ivan Applegate 1971-8-7 8071 Modoc Mill Creek Meadow, W slope of Warner Mts. 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
  CHSC67478  Eriophyllum lanatum var. achilleoides James D. Jokerst 1983-5-31 1810 Modoc Lyneta Ranch Surveys: Adjacent to Hwy. 395 6 mi S of Alturas. 1341 Comment
  HSC81111  Eriophyllum lanatum var. achilleoides G. M. Riegel 1980-7-28 954 Modoc South Warner Mtns. 1739 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
  UC201712  Eriophyllum lanatum var. achilleoides W. P. Taylor and H. C. Bryant 1910-6-25 Modoc Parker Cr. Warner Mountains, Parker Cr. 1676 Comment
  UC71787  Eriophyllum lanatum var. achilleoides Mrs. M. H. Manning 1903-6 186 Modoc near Fort Bidwell (ne Modoc County) 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
  SDSU4093  Eriophyllum lanatum var. achilleoides D. F. Howe 1964-7-31 3906 Modoc Modoc National Forest 8.5 miles from entrance on road from Likely, Warner Mts. 1554 Comment
  UC31672  Eriophyllum lanatum var. achilleoides Milo S. Baker 1893-6 Modoc Comment
  UCD132206  Eriophyllum lanatum var. achilleoides Jack Major 1966-6-24 s.n. Modoc above Goose Lake, west side of Fandango Pass. 1645 Comment
  RSA78965  Eriophyllum lanatum var. cuneatum E. K. Balls, Percy C. Everett 1952-10-11 18162 Modoc 4.9 miles west of turnoff to Lava Beds Monument, on road to Pumice Pits at east edge of Glass Flow 1280 Comment
  CAS-BOT-BC21475  Eryngium articulatum Bruce Bartholomew; Barrett Anderson 1988-6-23 4289 Modoc S side of Egg Lake, ca. 1.5 km W of the Burlington Northern railroad track. 1300 Comment
  CAS-BOT-BC21477  Eryngium articulatum Bruce Bartholomew 1991-8-4 6013 Modoc W side of Goose Lake, 10.5 km N of McGinty Point. 1460 Comment
  JEPS16990  Eryngium articulatum M. S. Baker and Franklin P. Nutting 1894-8-30 Modoc near Forestdale Comment
  UC1510463  Eryngium mathiasiae Phil Leitner and Barbara Malloch 1983-7-17 Modoc near Double Head Mountain (N of road); Modoc National Forest Comment
  RSA149079  Erysimum capitatum I. L. Wiggins, Dorothy Wiggins 1961-6-15 16497 Modoc SE flank of Glass Mtn, near Modoc-Siskiyou Co line. Comment
  CAS-BOT-BC54941  Erysimum perenne Mrs. H. C. Cantelow 1935-6-8 874 Modoc Northeast of Bieber. Comment
  CAS-BOT-BC58337  Erysimum repandum Bruce Bartholomew; Mona Bourell 1990-4-27 5185 Modoc 10.3 km NW of Hwy 299 on Crowder Flat Rd. 1540 Comment
  CDA3711  Erysimum repandum T. C. Fuller 1965-6-2 13600 Modoc West side of Dorris Reservoir, 2 miles east of Alturas. 0 Comment
  HSC6795  Erysimum repandum M. T. Milligan 1965-6-27 365 Modoc Eroded volcanic plateau W of Jess Valley 1829 Comment
  UC1332120  Erysimum repandum Alice Eastwood and John Thomas Howell 1940-6-12 8095 Modoc midway between Likely and Alturas Comment
  CAS-BOT-BC229915  Erythranthe arvensis Annie Montague Alexander; L. Kellogg 1946-6-18 4800 Modoc Patterson Mill-Silver Creek roads. 1828 Comment
  CAS-BOT-BC234514  Erythranthe microphylla Bruce Bartholomew 1991-7-6 5985 Modoc Sand Flat on Loveness Logging Road. 1370 Comment
  CAS-BOT-BC229914  Erythranthe pulsiferae K. Paulson 1978-6-24 s.n. Modoc Curtis Water Hole. Comment
  CAS-BOT-BC234427  Erythranthe pulsiferae Bruce Bartholomew 1992-5-16 6320 Modoc Lunsford Spring. 1600 Comment
  CAS-BOT-BC190751  Eschscholzia californica Bruce Bartholomew 1989-7-14 4968 Modoc E side of Lower Roberts Reservoir and ca. 3 km NNE of Lookout. 1300 Comment
  NY499984  Eschscholzia californica B. M. Bartholomew 1989-6-3 4917 Modoc 9 km west of County Route 91 along the north side of the Pit River 1340 Comment
  CAS-BOT-BC218204  Euphorbia crenulata Elmer Ivan Applegate 1895-5-3 875 Modoc S of Dry Lake. Comment
  CAS-BOT-BC218205  Euphorbia crenulata Leland S. Smith 1924-6-21 1426 Modoc Along Lava Trail, W Lava Ranger Station. Comment
  CAS-BOT-BC95714  Euphorbia serpillifolia Verne Grant; I. Schneider 1947-7-20 8089 Modoc Dorris Reservoir. Comment
  UCD142792  Euphorbia serpillifolia Louis C. Wheeler 1973-8-24 s.n. Modoc Warner Mountains: Sworinger Reservoir. 1798 Comment
  UCD142358  Euphorbia virgata R. N. Raynor 1939-6-2 s.n. Modoc Chace Valley near Adin. Comment
  JEPS114660  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
  CAS-BOT-BC247705  Festuca idahoensis John Thomas Howell 1934-6-11 11928 Modoc Parker Creek. 1584 Comment
  CHSC118818  Festuca idahoensis L. P. Janeway 2014-7-8 11477 Modoc Modoc Plateau. East corner of Dry Creek Rim; along Road 47N08 (Corral Creek Road) 5.1 road-km north-northwest of Raod 48 (along the west edge of Goose Lake). 1759 Comment
  CHSC67411  Festuca idahoensis James D. Jokerst 1987-5-14 2875 Modoc Radar Survey Site S of Doublehead Mtn., S of Clear Lake Reservoir, E and adjacent to SW-NE oriented fence. 1348 Comment
  HSC9860  Festuca idahoensis R. C. Wunner 1965-7-1 319 Modoc Lava Beds N.M. Near Indian Well campground. 1433 Comment
Read comments
Aug 20 2013
  HSC9864  Festuca idahoensis R. C. Wunner 1965-6-20 219 Modoc Lava Beds N.M. Above Lava Brook Cave. 1463 Comment
  RSA0089762  Festuca idahoensis Dean Wm. Taylor 2014-6-10 21483 Modoc Vicinity Mud Lake; County Road 91 (Lookout to Tule Lake) at the junction, Modoc National Forest Road 42N56. 1432 Comment
  UC1024907  Festuca idahoensis Leo Whitney 1935-5-19 3103 Modoc ca 15 mi nw Canby; Modoc National Forest, Hackamore 1463 Comment
  UCD66093  Festuca idahoensis J. C. Hayes 1935-6-25 Modoc Alturas. Comment
  CAS-BOT-BC247704  Festuca idahoensis Leland S. Smith 1917-7-12 100 Modoc Bald Mt. and Cedar. 2560 Comment
  CDA2095  Festuca pratensis T. C. Fuller 1958-7-8 2017 Modoc Davis Creek. 0 Comment
  HSC9856  Festuca pratensis M. T. Milligan 1964-7-20 160 Modoc N end of Jess Valley, near Mill Creek. 1677 Comment
  CAS-BOT-BC179187  Floerkea proserpinacoides Margaret J. Williams 1984-6-30 84- 80 -1 Modoc 6.8 mi. W of Cedarville-Gerlach road, Granger Canyon Rd. 1981 Comment
  JEPS44872  Fragaria virginiana Milo S. Baker 1893-6-15 Modoc Forestdale; sw Modoc Co. Comment
  HSC80697  Fragaria virginiana G. M. Riegel 1980-7-10 864 Modoc S Warner Mtns. 2100 Comment
  UC114222  Fragaria virginiana subsp. platypetala Mrs. R. M. Austin Jul 1894 Modoc Willow Creek Comment
  NY189421  Frasera albicaulis var. cusickii B. M. Bartholomew 1988-7-21 4412 Modoc Whitehorse Mountains, 11 km N of day on the road to Whitehorse Flat Reservoir. Whitehorse 15' Quad. 1340 Comment
  POM128268  Frasera albicaulis var. nitida Franklin P. Nutting 1894-6-13 s.n. Modoc Near Egg Lake. Comment
  RSA534561  Fraxinus latifolia Bruce Bartholomew 1991-7-6 5982 Modoc W side of Egg Lake 1300 Comment
  UC22599  Fraxinus latifolia Milo S. Baker 1893-6 Modoc Lava Bed side, Egg Lake Egg Lake Comment
  CAS-BOT-BC242104  Fritillaria atropurpurea E. H. Steffen 1917-6-21 50 Modoc Henderson Meadow. 1676 Comment
  CAS-BOT-BC242105  Fritillaria atropurpurea Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16414 A Modoc Near sumit of Cedar Pass between Alturas and Cedarville. 1927 Comment
  CAS-BOT-BC242093  Fritillaria pudica Bruce Bartholomew; Barrett Anderson 1988-5-13 4162 Modoc 4 km NW of Pepperdine, gentle W facing slope near top of the Warner Mts.. 1760 Comment
  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
  JEPS61944  Fritillaria pudica Mary H. Manning before Aug. 1918 Modoc Fort Bidwell Comment
  SDSU20642  Fritillaria pudica Sean Ryan, Michael G. Simpson 2010-6-24 67 Modoc North of Hwy 299, approximately 0.8 miles beyond Stough Reservoir Campground along Forest Road 43N07, 20 yards east of the road. Open clearing. Warner Mountains. Modoc National Forest. 2000 Comment
  UC1036047  Fritillaria pudica Annie M. Alexander and Louise Kellogg 1946-6-8 4699 Modoc road from Eagleville to Patterson Mill 2286 Comment
  CAS-BOT-BC225054  Galium aparine Roxana Stinchfield Ferris; R. Duthie 1919-6-14 38 Modoc Parker Creek, near Modoc National Forest boundary. Comment
  CAS-BOT-BC225055  Galium aparine Bruce Bartholomew 1995-7-31 7125 Modoc 6.3 km from Forest Service road 46N30 on Forest Service road 45N34, W side of Warner Mountains. Along N fork of Davis Creek 1920 Comment
  CAS-BOT-BC248317  Galium aparine B. Bartholomew; H. Sun 2002-6-24 8862 Modoc Fandango Pass on the E side of the Warner Mountains near the crest of the mountains 1820 Comment
  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
  UC416663  Galium bolanderi Milo S. Baker 1893-7-8 Modoc south hillside Comment
  UC1446111  Galium glabrescens subsp. modocense Gary Schoolcraft 1979-8-9 172 Modoc at base of large rocks w Ten Mile Creek (n of drainage to w) 1767 Comment
  CAS-BOT-BC225074  Galium mexicanum subsp. asperulum Bruce Bartholomew 1989-8-13 5146 Modoc Ambose Canyon at Lassen County boundary. 1800 Comment
  CAS-BOT-BC225075  Galium mexicanum subsp. asperulum Verne Grant; I. Schneider 1947-6-22 8140 Modoc N Fork of Pit River on Hwy 395, ca. 1 mi. N of junction with Cedarville road. Comment
  RSA610763  Galium serpenticum subsp. warnerense Louis C. Wheeler 1935-8-6 3794 Modoc Edge of Warner Mts, 1/4 mile E Pine Cree (Town). 1555 Comment
Read comments
Mar 3 2009
  JEPS66745  Garrya fremontii L. S. Smith 1917-9-12 906 Modoc Buck Creek Warner Mts. (n Warner Mts) 1828 Comment
  POM319052  Gayophytum Patricia Wilder 1971-6-20 5060 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-BC190855  Gayophytum decipiens Bruce Bartholomew; Barrett Anderson 1989-6-3 4873 A Modoc Boles Creek, ca. 5.5 km E of the SE corner of Clear Lake Reservoir. 1430 Comment
  RSA31282  Gayophytum decipiens H. C. Cantelow 1940-6-2 s.n. Modoc About 10 miles NW of Canby, on road to Lava Beds Monument Comment
  CAS-BOT-BC190836  Gayophytum diffusum subsp. parviflorum Bruce Bartholomew; Barrett Anderson 1988-6-23 4280 Modoc 4.0 km W of Day on County Road 94. 1340 Comment
  CAS-BOT-BC190854  Gayophytum diffusum subsp. parviflorum Bruce Bartholomew; Barrett Anderson 1989-6-2 4777 Modoc Top of Fandango pass, Warner Mountains. 1870 Comment
  JEPS27595  Gayophytum diffusum subsp. parviflorum F. H. Frost 1925-7-11 14 Modoc 2 mi above Cedarville; Cedar Canyon campsite Comment
  UC1191755  Gayophytum diffusum subsp. parviflorum Herbert L. Mason and Verne Grant 1947-7-10 13334 a Modoc 2 mi e Alturas; Dorris Reservoir Comment
  CAS-BOT-BC190833  Gayophytum humile Bruce Bartholomew 1991-7-4 5889 Modoc S end of Higgins Flat. 1370 Comment
  UC422804  Gayophytum racemosum Milo S. Baker Modoc near Lookout Comment
  CAS-BOT-BC190828  Gayophytum racemosum Mrs. H. C. Cantelow 1935-6-8 919 pp Modoc S of Marlin. Comment
  CAS-BOT-BC190819  Gayophytum ramosissimum Elmer Ivan Applegate 1936-5-4 10232 Modoc Hospital Rock, Lava Beds National Monument. Comment
  CAS-BOT-BC190817  Gayophytum ramosissimum Elmer Ivan Applegate 1937-5-12 11084 Modoc Lyon road near north entrance, Lava Beds National Monument. Comment
  CAS-BOT-BC190822  Gayophytum ramosissimum Elmer Ivan Applegate 1936-5-22 10354 Modoc Lower part of Lyon Road, Lava Beds National Monument. Comment
  CAS-BOT-BC180114  Gentiana affinis var. ovata Bruce Bartholomew 1989-8-12 5106 Modoc ca. 3.2 airline miles W of Patterson Ranger Station on road to Jess Valley. 2060 Comment
  CAS-BOT-BC180115  Gentiana affinis var. ovata Bruce Bartholomew 1994-8-21 6861 Modoc Squaw Peak Trail, E side of the Warner Mountains. 2450 Comment
  CAS-BOT-BC180067  Geranium viscosissimum Robert J. Weatherby 1955-7-8 1620 Modoc 6 mi. N of Ft. Bidwell. 1783 Comment
  CHSC109892  Geranium viscosissimum B. Castro; L. P. Janeway 2012-7-26 1965 Modoc Warner Mountains. Along Highgrade National Recreation Trail 0.65 air mi SW of Little Lily Lake and 0.9 air mi N of Mt. Vida. 2336 Comment
  JEPS120547  Geranium viscosissimum B. Castro and L. P. Janeway 2012-7-24 1953 Modoc Warner Mountains. NW flank of Mount Bidwell; ca 0.6 air mi S of Dismal Swamp, off upper edge of open lodgepole pine forest. Comment
  CAS-BOT-BC180069  Geranium viscosissimum Elmer Ivan Applegate 1897-6-4 864 Modoc Summit of pass between Pit River and Madeline Plain. 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
  UC466702  Geum triflorum Franklin P. Nutting 1894-6-8 Modoc Flat near Egg Lake Comment
  UCD113296  Geum triflorum Beecher Crampton 1960-6-17 5705 Modoc McKay Flat, 13 miles west of Canby, 2.5 miles northeast Happy Camp Station. 1280 Comment
  RSA59762  Geum triflorum E. K. Balls 1950-5-15 14699 Modoc 6 miles SW of Dry Lake Ranger Station, along railroad. 1280 Comment
  RSA504665  Geum triflorum var. ciliatum K. Paulson, R. Paulson 1988-5-22 s.n. Modoc Boles Creek, Devil's Garden. 1402 Comment
  CAS-BOT-BC190699  Gilia inconspicua Bruce Bartholomew 1991-5-24 5714 Modoc Surprise Valley, 7.7 km NE of County Rd. 37 on County Rd. 38, at the Nevada State boundary. 1370 Comment
  CAS-BOT-BC190689  Gilia leptalea subsp. leptalea Bruce Bartholomew 1995-7-30 7048 Modoc Big Valley Mountains N of County Road 94. 1400 Comment
  UC1332111  Gilia modocensis A. Eastwood and J. T. Howell 1940-6-12 8073 Modoc between Likely and Jess Valey, Modoc Co. Comment
  CAS-BOT-BC190667  Gilia sinistra subsp. sinistra Bruce Bartholomew; Barrett Anderson 1990-7-21 5588 Modoc Bear Flat, W side of Warner Mts. Ranger Station, er Station, E side of Warner Mts. 1830 Comment
  CAS-BOT-BC190669  Gilia sinistra subsp. sinistra Roxana Stinchfield Ferris; R. Duthie 1919-6-14 106 Modoc Near spring above Parker Creek, Warner Mts. Comment
  SEINET3088579 Image available Glaux maritima Arnold Tiehm, Susan Croft, Jan Nachlinger, Gary Schoolcraft 1984-6-24 8796 Modoc Surprise Valley, Surprise Valley Mineral Wells on east side of Alkali Lake. 1372 Comment
  UCD66754  Glyceria borealis L. Whitney 1934-6-2 2175 Modoc Lake Joaquina, Hackamore, ca. 15 miles northwest of Canby, Modoc National Forest. 1463 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
  CAS-BOT-BC49573  Gnaphalium palustre Bruce Bartholomew; Barrett Anderson 1990-7-20 5459 Modoc 4 km N of Buck Creek Ranger Station at turn off to Del Prat Spring, W side of Warner Mts. 1900 Comment
  CHSC99952  Gnaphalium palustre Lowell Ahart; John Dittes 2008-8-25 15312 Modoc On the east bank (flood plane) of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout. 1273 Comment
  JEPS6008  Gnaphalium palustre Frances D. Payne 1935-7-19 787 Modoc mouth of Dry Creek Warner Mountains, Parker Creek, Dry Creek (tributary of Parker Creek, s and e of Alturas) Comment
  CAS-BOT-BC229890  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-BC229891  Gratiola neglecta John Thomas Howell 1934-6-15 12201 Modoc Dorris Reservoir, 2 mi. E of Alturas. Comment
  UC1191879  Gratiola neglecta Herbert L. Mason and Verne Grant 1947-7-12 13393 Modoc off highway 395 several mi s Alturas (irrigation ditch by Jones' Lane) Comment
  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
  UC1191894  Gratiola neglecta Herbert L. Mason and Verne Grant 1947-7-11 13374 Modoc along Highway #395 s Alturas (near w side of road); South Fork of Pitt River Comment
  HSC42420  Grindelia hirsutula Barbara Kelly 1977-7-24 545 Modoc Hwy. 299 near Adin Pass, 100 yards E of Higgins Flat turnoff. Comment
  JEPS114665  Grindelia hirsutula Lowell Ahart, John Dittes 2008-8-21 15279 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
  CDA13472  Grindelia nana G. F. Hrusa, T. D. Wilfred 1996-7-21 13319 Modoc Modoc Plateau; adjacent to Pit River at Modoc Co. Rd. 90 bridge. E base of Splawn Mtn. N end of Big Valley. Comment
  CHSC110972  Grindelia nana Lowell Ahart; John Dittes 2012-7-11 18337 Modoc On bottom of a gravel pit, north edge of the meadow, about 1/8 mile east of the parking area on the east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  CHSC99904  Grindelia nana Lowell Ahart; John Dittes 2008-8-21 15279 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
  SJSU9670  Grindelia nana W. Savage 1979-7-10 1517 Modoc Bowles Meadow, Devils Garden District, Modoc National Forest 1493 Comment
  UC1523803  Hackelia californica Lisa Janio 1981-7-13 55 Modoc near Bear Spring 1524 Comment
  UCSB30292  Hackelia cusickii Hardham, Clare 1961-6-18 Modoc Hills 3 miles east of Cedar Pass 1828 Comment
  RSA26981  Hackelia micrantha C. L. Hitchcock 1940-5-27 6692 Modoc 15 miles NE of Alturas. 1616 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
  UC1560396  Hackelia micrantha E. Joyal and D. Mehlman 1988-6-28 1291 Modoc Ridge Road Warner Mountains Comment
  SEINET11841732  Helianthella californica var. nevadensis A. Seneres, Harold, N. 1983-1 109 Modoc southern section of Warner Mountains Comment
  CHSC106342  Helianthus annuus Lowell Ahart; John Dittes 2010-8-30 17072 Modoc About 150 yards west of the fence, south edge of the meadow, Ash Creek State Wildlife Area, 2,300 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  JEPS5938  Helianthus cusickii Frances D. Payne 1932-6-27 617 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  UC78865  Heliotropium curassavicum Mrs. R. M. Austin Aug. 1888 Modoc shores Goose Lake Goose Lake Comment
  CAS-BOT-BC49380  Hemizonella minima John Thomas Howell 1934-7-1 12312 Modoc Duncan Horse Camp, 6 mi. E of Perez. 1355 Comment
  RSA0113964  Hemizonia lobbii Lowell A. Ahart, John Dittes 2008-8-25 15328 Modoc On the east side County Road 91, 3.9 miles (air) north-northeast of Lookout. 1276 Comment
  CAS-BOT-BC180044  Hesperochiron californicus Bruce Bartholomew; Barrett Anderson 1988-5-14 4209 Modoc SW corner of Big Sage Reservoir. 1500 Comment
  JEPS1677  Hesperochiron californicus L. S. Smith c. 1918 809 Modoc Warner Mts., Jess Valley 1524 Comment
  CAS-BOT-BC180037  Hesperochiron pumilus K. Paulson; Robert Paulson 1991-5-25 217 Modoc Near Fletcher Creek. 1584 Comment
  SEINET3156116  Hesperochiron pumilus E. K. Balls 1950-5-17 14739 Modoc Howard's Gulch Public Camp, off Hwy. 139, NW of Canby. 1433 Comment
  CAS-BOT-BC179169  Hesperolinon micranthum Mrs. R. M. Austin 1894-8-1 Modoc Hills, Lassen Creek. Comment
  RSA504832  Hesperolinon micranthum Bruce Bartholomew, B. Anderson 1988-7-21 4404 Modoc 2.1 km SSE of Day on the road to state Highway 299 1020 Comment
  SD51762  Hesperolinon micranthum Helen K. Sharsmith 1955-6-25 4506 Modoc Modoc National Forest, Warner Mountains. North slope of Jess Valley. 1584 Comment
  UC17266  Hesperolinon micranthum Baker Modoc Little Hot Spring Valley 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
  NY541343  Heuchera cylindrica B. M. Bartholomew 1995-8-1 7161 Modoc Bidwell Mountain, east side of the Warner Mountains 2150 Comment
  SEINET11259286 Image available Hieracium albiflorum A. Sanger 1996-7-12 2417 Modoc On road 44N69 less than 1/2 mile from large turn. Found between 2 logging systemroads running E-W 2024 Comment
  CAS-BOT-BC49516  Hieracium scouleri Elmer Ivan Applegate 1932-8-7 8236 Modoc Lily Lake, Bidwell Pass, Warner Mountains Comment
  CAS-BOT-BC49519  Hieracium scouleri Roxana Stinchfield Ferris; L. Lorraine 1941-8-14 10610 A Modoc Summit of Fandango Pass, on road between Fort Bidwell and Pine Creek, Warner Mtns., Modoc N.F. 1889 Comment
  CAS-BOT-BC49522  Hieracium scouleri Leland S. Smith 1918-7-11 983 Modoc Mill Creek-Sec 22 2133 Comment
  CHSC109466  Hieracium scouleri L. P. Janeway; B. Castro 2012-7-28 11035 Modoc Warner Mountains. Along the major eastern tributary of Pine Creek where the road to Poison Lake crosses it (the road washed out here). 1938 Comment
  UC897834  Hieracium scouleri Lewis S. Rose 1940-6-12 40627 Modoc 9 mi e Likely 1676 Comment
  RSA0016759  Hippuris vulgaris Louis C. Wheeler 1935-9-5 3957 Modoc Tuttle Place, west side Goose Lake 1463 Comment
  SD241835  Hippuris vulgaris Louis C. Wheeler 1935-9-8 3957 Modoc Tuttle Place, W side Goose Lake. In shallow sunny pond. 1463 Comment
  SBBG30537  Holmgrenia andina D. Myrick 1968-6-20 1980 Modoc Airport Rd, 7 mi N of Alturas 1524 Comment
  CAS-BOT-BC214704  Holodiscus microphyllus var. glabrescens Bruce Bartholomew 1989-7-15 5018 Modoc Manzanita Lookout, top of Manzanita Mountain. 2130 Comment
  CAS-BOT-BC214705  Holodiscus microphyllus var. glabrescens Bruce Bartholomew; Barrett Anderson 1988-7-22 4488 Modoc Vicinity of East Creak Trailhead, southern end of the Warner Mts. 2210 Comment
  CHSC85125  Holosteum umbellatum John Dittes; Josephine Guardino 1991-6-1 362 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
  POM313215  Hordeum jubatum H. L. Mason 1947-8-9 13478 Modoc East side of Fairchild Swamp, north of Alturas Comment
  SBBG115845  Hordeum jubatum B. Crampton 1954-7-7 2160 Modoc 2.5 mi E of Alturas, near radio stn Comment
  CDA32414  Hordeum jubatum T. C. Fuller 1958-7-8 1944 Modoc Likely: Corporation Ranch 0 Comment
  UCD85774  Hordeum marinum subsp. gussoneanum A. A. Beetle 1941-6-29 2839 Modoc Near summit of Mt. Adin. 1828 Comment
  UCD85909  Hordeum marinum subsp. gussoneanum L. Whitney 1935-5-30 3158 Modoc White Horse. Comment
  POM520354  Horkelia fusca subsp. parviflora Bruce Bartholomew, B. Anderson 1989-6-3 4901 Modoc 8 km WNW of Long Bell Ranger Station. 1349 Comment
  SEINET248325  Hornungia procumbens Noel H. Holmgren, Patricia K. Holmgren 1998-5-30 12995 Modoc Surprise Valley, Modoc County Road 299, 6.9 km (4.3 mi) east od downtown Cedarville, at a turnoff to some hotsprings. 1370 Comment
  CAS-BOT-BC179331  Hydrophyllum capitatum var. alpinum Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16407 Modoc Cedar Pass Campground, 3 mi. E of Thoms Creek bridge. Comment
  JEPS1629  Hydrophyllum capitatum var. alpinum L. S. Smith 1919-6-1 1107 Modoc Deep Creek ranger station; Warner Mts. 1508 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
  SEINET195702  Hydrophyllum capitatum var. alpinum Annie M. Alexander, Louise Kellogg 1946-7-24 5077 Modoc Bear Camp Flat, Warner Mountains. 2286 Comment
  UC880767  Hydrophyllum capitatum var. alpinum C. L. Hitchcock 1940-5-27 6682 Modoc 15 mi ne Alturas 1615 Comment
  POM260002  Hydrophyllum capitatum var. alpinum C. L. Hitchcock 1940-5-27 6682 Modoc 15 miles northeast of Alturas. 1616 Comment
  POM98604  Hydrophyllum capitatum var. alpinum F. W. Peirson 1926-6-25 6875 Modoc Cedarville Road, Warner Mountains. Comment
  CHSC109445  Hymenoxys hoopesii L. P. Janeway; B. Castro 2012-7-24 10972 Modoc Warner Mountains. Northwestern flank of Mount Bidwell; 1.2 air km south of Dismal Swamp. 2362 Comment
  HSC59908  Hymenoxys hoopesii G. M. Riegel 1979-7-24 595 Modoc South Warner Mt. Wilderness Area 2561 Comment
  CAS-BOT-BC179903  Hypericum anagalloides Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-14 16477 Modoc Campground on Lassen Creek, 1.6 mi. above ford, Warner Mts. Comment
  CAS-BOT-BC179906  Hypericum anagalloides Bruce Bartholomew 1989-8-11 5055 Modoc Along W side of Goose Lake, 12.4 km N of McGinty Point on National Forest Road 48. 1430 Comment
  CAS-BOT-BC179107  Iliamna bakeri Dean William Taylor 1988-8-11 10044 Modoc Damon's Butte (ca. 2 mi W of Hwy 139) in summit crater of butte. 1466 Comment
  JEPS67377  Iliamna bakeri Milo S. Baker 1898-8-21 554 Modoc in lava between Hot Spring Valley and Hills Comment
  HSC80879  Ipomopsis congesta G. M. Riegel 1980-8-9 1021 Modoc S Warner Mtns. 1829 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
  JEPS69741  Ipomopsis congesta subsp. montana Leland S. Smith 1918-8-27 1052 Modoc below Squaw Peak (Milk Creek); Modoc National Forest, Warner Mtns 2438 Comment
  CAS-BOT-BC190637  Ipomopsis congesta subsp. palmifrons Annie Montague Alexander; L. Kellogg 1946-7-11 4969 Modoc Eight Mile Creek, NE corner of county. Comment
  CAS-BOT-BC245103  Iris missouriensis Mrs. H. C. Cantelow 1940-6-1 s.n. Modoc Fandango Pass. Comment
  UC4304  Iris missouriensis Mrs. R. M. Austin May 1894 Modoc Goose Lake Valley Comment
  UC4306  Iris missouriensis Milo S. Baker 1893-6-30 Modoc Egg Lake shore; Egg Lake Comment
  POM260416  Iris missouriensis C. L. Hitchcock 1940-5-28 6727 Modoc 15 miles N of Alturas. 1402 Comment
  CAS-BOT-BC58403  Isatis tinctoria K. Paulson; Robert Paulson 1989-7-14 180 Modoc Vicinity of Little Lily Lake, ca. 2.5 mi. S of the Oregon border, N end of Warner Mts. 2171 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
  UC2043246  Isatis tinctoria Barbara Ertter 1995-7-1 14457 Modoc Highway 395 south of New Pine Creek on Oregon border, at junction of County Road 44. Comment
  UC922441  Isoetes bolanderi Annie M. Alexander and Louise Kellogg 1948-9-21 5624 Modoc flat above Mineral Spr.; 1 mi SW top of grade bet. New Pine Creek and Fort Bidwell 2286 Comment
  JEPS86282  Ivesia baileyi var. beneolens Dean Wm. Taylor with Glenn Clifton 1990-6-25 11164 Modoc Cedar Pass Warner Mountains, Davis Creek 15' U.S.G.S. topographic map (n slopes of Peak 7298) 2148 Comment
  CAS-BOT-BC214720  Ivesia gordonii Bruce Bartholomew 1991-8-5 6072 Modoc Summit Trail, NW side of Squaw Peak, W side of Warner Mts. 2480 Comment
  CAS-BOT-BC214721  Ivesia gordonii Gary Schoolcraft 1988-7-16 1833 Modoc E slope of Squaw Peak. Warner Mtns. 2560 Comment
  UC748065  Ivesia gordonii Annie M. Alexander and Louise Kellogg 1946-8-9 5140 Modoc Patterson Lake Trail; Warner Mountains Comment
  UC1100957  Juncus balticus Herbert L. Mason and Verne Grant 1947-7-10 13356 Modoc 0.25 mi w Dorris Reservoir (2 mi e of Alturas) Comment
  UC70011  Juncus balticus Mrs. M. H. Manning Aug 1904 442 Modoc ne Modoc County Comment
  JEPS63878  Juncus balticus subsp. ater Leland S. Smith 1920-7-13 1186 Modoc Crowder Flat Modoc National Forest 1371 Comment
  CAS-BOT-BC245073  Juncus bufonius Roxana Stinchfield Ferris; L. Lorraine 1941-8-14 10603 Modoc 8.5 mi. from Patterson Ranger Station on Eagleville road. Comment
  JEPS121221  Juncus bufonius var. bufonius Lowell Ahart, John Dittes 2013-7-24 18928 Modoc About 50 yards S of the levee road, N side of Ash Creek Floodplain, 0.54 air miles SE of Pilot Butte parking area, 1.1 air miles S of County Road 87, 6.8 air miles W of Adin, Big Valley. Comment
  CAS-BOT-BC245065  Juncus confusus Roxana Stinchfield Ferris; L. Lorraine 1941-8-14 10580 Modoc 3 mi. from Patterson Ranger Station on road to Eagleville. Comment
  CHSC83464  Juncus confusus Bill Maslach 2001-7-9 28 Modoc Stough Reservoir Campground, off Hwy. 299; Warner Mountains. 1900 Comment
  CHSC85414  Juncus confusus John Dittes; Josephine Guardino 1991-8-23 455 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. Meadow. 2209 Comment
  CAS-BOT-BC245064  Juncus confusus John H. Hatton 1911-6-12 55 Modoc unspecified 1463 Comment
  UC1601860  Juncus ensifolius Baker and Nutting 1894-8-25 Modoc Forestdale Comment
  UCD146976  Juncus ensifolius Chuck Hughes 2012-9-13 347 Modoc Bear Mountain 2005 Comment
  CAS-BOT-BC245056  Juncus hemiendytus var. abjectus Bruce Bartholomew 1995-6-24 7035 Modoc 6 km E of Burlington Northern Railroad track on Forest Service Road 42N03. 1340 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-BC245053  Juncus hemiendytus var. hemiendytus Louis Cutter Wheeler 1935-8-1 3739 Modoc Dismal Swamp. 2225 Comment
  CHSC100840  Juncus mertensianus L. P. Janeway; B. Castro 2008-8-17 9573 A Modoc Warner Mountains. North slope of Bald Mountain; just below the cliffs at the top of the peak. Near moist bed of small rocky drainage channel. On moist slope on the side of the drainage. 2372 Comment
  RSA577832  Juncus nevadensis L. C. Wheeler 1935-9-23 4003 Modoc Pease Flat, Devil s Garden. 1524 Comment
  UC1601789  Juncus nevadensis Baker and Nutting 1894-7-12 Modoc Dixie Valley Comment
  CHSC117033  Juncus tenuis Lowell Ahart; John Dittes 2016-6-6 20970 Modoc About 10 yards west of the dirt road, about 10 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
  CHSC100395  Juncus trilocularis Lowell Ahart; John Dittes 2008-8-26 15350 Modoc On the bottom of Rose Creek, 750 feet southwest of confluence of Rose Creek and Pit River, on the northwest side of unnamed road,, 2660 feet east of intersection with County Road 85a, 9.3 miles (air) north-northeast of Lookout. 1276 Comment
  SEINET10612939  Juniperus occidentalis Leila M. Shultz, John S. Shultz 1985-6-23 Shultz 8587 Modoc Lava Beds National Monument, approximately 20 miles south of Tulelake; western extension of the Great Basin in California. 1320 Comment
  UC71751  Juniperus occidentalis Mrs. M. H. Manning Sep 1 1902-Oct 1 1902 10 Modoc Comment
  JEPS121195  Juniperus occidentalis var. occidentalis Lowell Ahart, John Dittes 2013-7-25 18949 Modoc 20 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
  POM337227  Juniperus occidentalis var. occidentalis F. R. Fosberg 1957-8-18 38855 Modoc Upper Rush Creek Camp Ground, northeast of Adin. 1600 Comment
  UCR1822  Juniperus occidentalis var. occidentalis Frank C. Vasek 1962-9-2 620902- 03 Modoc Cedarville Road 5.8 mi east of US Hwy 395, east of Alturas 1616 Comment
  CAS-BOT-BC225086  Kelloggia galioides Annie Montague Alexander; L. Kellogg 1946-7-23 5039 Modoc E slope of Emerson Peak. Comment
  CAS-BOT-BC225093  Kelloggia galioides Francis Marion Ownbey; Frederick Gustav Meyer 1940-7-1 2149 Modoc Cedar Peak. Comment
  CAS-BOT-BC248319  Kelloggia galioides B. Bartholomew 2002-8-26 8871 Modoc Fandango Pass on the E side of the Warner Mountains near the crest of the mountains 1820 Comment
  UC748482  Kelloggia galioides Annie M. Alexander and Louise Kellogg 1946-7-23 5039 Modoc e slope Emerson Peak; Warner Mountains Comment
  CAS-BOT-BC247642  Koeleria macrantha Roxana Stinchfield Ferris; R. Duthie 1919-6-13 63 Modoc Above Parker Creek near Modoc National Forest boundary. Comment
  CHSC69230  Koeleria macrantha James D. Jokerst 1986-8-10 2748 Modoc Radar Survey Site S of Doublehead Mtn., ca. 400 m NE of a NW-SE oriented fence and road. 1341 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
  HSC29815  Koeleria macrantha D. H. Norris, T. Nelson, S. Dowty 1971-6-23 19402 Modoc Along Hager Basin Rd. near Big Sage Reservoir. Comment
  JEPS74026  Koeleria macrantha Frances D. Payne 1932-6-24 587 Modoc s and e Alturas (Parker Creek); Warner Mountains, Parker Creek 1584 Comment
  UC1137087  Koeleria macrantha August L. Hormay 1932-7-14 Modoc D D plot site Comment
  UCD85812  Koeleria macrantha August L. Hormay 1932-7-14 s.n. Modoc D.D. plot site. Comment
  UC71919  Lactuca serriola Mrs. M. H. Manning 253 Modoc near Fort Bidwell (ne Modoc County) Comment
  UCR248241  Lactuca tatarica var. pulchella J. R. Keck Jr., C. B. Greenbank 1980-8-21 PDR 330198 Modoc Tulelake, near Newell townsite 1234 Comment
  RSA608615  Lactuca tatarica var. pulchella L. C. Wheeler 1935-8-7 3802 Modoc Pine Creek, Warner Mtns. 1555 Comment
  JEPS121199  Lagophylla ramosissima Lowell Ahart, John Dittes 2013-7-25 18946 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
  RSA152634  Lagophylla ramosissima I. L. Wiggins, Dorothy Wiggins 1961-6-12 16375 Modoc At junction of Cedar Pass road with California Highway 299, 5.5 miles N of Alturas. Comment
  CAS-BOT-BC49497  Lagophylla ramosissima subsp. ramosissima John Thomas Howell 1934-6-11 11939 Modoc Parker Creek, Warner Mtns. 1584 Comment
  CHSC85167  Lagophylla ramosissima subsp. ramosissima John Dittes; Josephine Guardino 1991-8-23 447 Modoc Modoc Plateau; Big Valley; Ash Creek Wildlife Area; ca. 7.7 air-miles northeast of Bieber, ca. 4.0 air-miles west by southwest of Adin, ca. 5.0 air-mile east by southeast of Pilot Butte summit, ca. 0.6 mile east of Walters Road and Owl Barn; meadow at southern edge of Ash Creek Floodplain. 1271 Comment
  CAS-BOT-BC54070  Lappula redowskii Elmer Ivan Applegate 1936-5-4 10235 Modoc Lava Beds National Monument, near Hospital Rock, northern boundary. Comment
  UC78792  Lappula redowskii Mrs. R. M. Austin July 1885 Modoc Goose Lake Valley Comment
  HSC28509  Lathyrus brownii D. H. Norris, S. Dowty, Thomas W. Nelson 1971-6-23 19472 Modoc Upper Rush Creek Campground, about 8 mi. N of Adin on Hwy. 299 Comment
  UC157911  Lathyrus brownii Milo S. Baker 1893-1 Modoc Forestdale Comment
  JEPS64864  Lathyrus brownii N. Mirov 1929-6-16 Modoc Warner Mts. 1615 Comment
  CAS-BOT-BC497318  Lathyrus lanszwertii Fred P. Cronemiller, Jr. 1920-6-10 3 Modoc McKenzie Spring 1310 Comment
  CHSC77212  Lathyrus rigidus G. Schoolcraft 1998-5-19 2710 Modoc Hwy 395 about 9.5 mi. N of Davis Creek. 1524 Comment
  CAS-BOT-BC497200  Lathyrus rigidus G. Schoolcraft 1998-5-19 2710 Modoc Hwy 395 about 9.5 mi N of Davis Creek 1524 Comment
  UC89252  Layia glandulosa Mrs. R. M. Austin 1885-6-1 Modoc Joseph Creek Comment
  RSA8238  Ledum glandulosum Elmer I. Applegate 1932-8-7 8224 Modoc Just above Lily Lake, Bidwelll Pass, Warner Mts. Comment
  SJSU9999  Lemna valdiviana H. L. Buckalew 1961-6-21 Modoc Stough (""Stowe"") Reservoir c. 2 mi N of Cedar Pass on the Alturas-Cedarville Rd, Warner Mts 1981 Comment
  CHSC100464  Lepidium lasiocarpum Lowell Ahart; John Dittes 2008-8-26 15332 Modoc On the sides of County Road 85a, 287 feet east of County Road 91, 7.7 miles (air) north-northeast of Lookout. 1303 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
  UC398778  Lepidium montanum var. canescens Mrs. Austin 1888-1 336 Modoc s of Alturas; Pit River Comment
  CAS-BOT-BC58350  Lepidium perfoliatum M. M. Hanna 1956-6-4 Modoc 6 mi. N of Alturas, Cedar Pass Road. Comment
  RSA0042934  Lepidium perfoliatum Robert F. Thorne, J. Henrickson, C. W. Tilforth 1969-9-4 s.n. Modoc North of Alturas [Highway 395, vicinity of north fork of Pit River] Comment
  UCD115844  Lepidium perfoliatum Robbins; Raynor 1943-6-1 s.n. Modoc Near Likely. Comment
  CAS-BOT-BC58643  Lepidium pubecarpum Bruce Bartholomew 1989-7-14 4956 A Modoc Survice Gulch ca. 3 km NE of Egg Lake. 1340 Comment
  POM229970  Leptosiphon harknessii L. C. Wheeler 1935-8-16 3868 Modoc Dismal Swamp, Twenty Mile Creek. Warner Mountains. Mt. Diablo Mer. 2226 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-BC242086  Leucocrinum montanum Bruce Bartholomew 1991-5-25 5750 Modoc Ca. 6 km NW of Tionesta on road to Lava Beds National Monument. 1310 Comment
  POM71388  Leucophysalis nana R. M. Austin 1895-07 40 Modoc Goose Lake Valley. Comment
  RSA113686  Leucophysalis nana H. K. Sharsmith 1955-6-26 4509 Modoc Adjacent to Hwy 39, ca 20 miles N of Canby. Modoc National Forest. 1524 Comment
  UC7807  Lewisia nevadensis Mrs. R. M. Austin and Bruce June 1898 2149 Modoc Benton Meadows Comment
  UC7804  Lewisia nevadensis Milo S. Baker 1893-6-15 Modoc 1371 Comment
  NY497586  Lewisia rediviva K. Paulson 1988-5-22 4 Modoc Eagle Swamp Road, Devil's Garden 1402.1 Comment
  POM203132  Leymus cinereus J. T. Howell 1934-6-30 12275 Modoc Duncan Horse Camp. Comment
  JEPS73996  Leymus triticoides Frances D. Payne 1932-7-18 713 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  UC1037146  Leymus triticoides Leo Whitney 1935-7-2 3324 Modoc ca 17 mi nw Canby; Badger Wells Comment
  UC1037150  Leymus triticoides Leo Whitney 1935-7-6 3414 Modoc near Lookout; Pit River Comment
  UC1037152  Leymus triticoides Leo Whitney 3412 Modoc near Lookout; Pit River Comment
  UCD32734  Leymus triticoides Beecher Crampton 1954-7-8 2179 Modoc Modoc County, Warner Mountains, 15 miles east of Likely, along road to Jess Valley. 1676 Comment
  CAS-BOT-BC436039  Ligusticum grayi Elmer I. Applegate 1932-8-2 8077 Modoc Mill Creek Meadows, western slope of Warner Mountains Comment
  UC748405  Ligusticum grayi Annie M. Alexander and Louise Kellogg 1946-7-18 5014 Modoc Warner Mts., Benton Meadow 2072 Comment
  CAS-BOT-BC436037  Ligusticum grayi John Thomas Howell 1934-6-14 12150 Modoc Warner Mts., near Los Lake 2438 Comment
  CAS-BOT-BC242074  Lilium pardalinum subsp. shastense Leland S. Smith 1922-7-20 1305 Modoc Rush Creek Ranger Station pasture. 1905 Comment
  CAS-BOT-BC242075  Lilium pardalinum subsp. shastense Leland S. Smith 1924-6-29 1440 Modoc Happy Camp Ranger Station meadow. Comment
  RSA210888  Limosella acaulis Robert F. Thorne, James Henrickson, C. W. Tilforth 1969-9-4 39119 Modoc N Fork of Pit River 3.4 mi N of Alturas where crossed by Highway 395. 1341 Comment
  CHSC117503  Limosella aquatica Lowell Ahart; John Dittes 2016-7-14 21198 Modoc Strand of a new pond, south of Ash Creek Canal (now filled in), south of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. 1273 Comment
  CAS-BOT-BC198043  Linanthus harknessii Bruce Bartholomew 1991-7-4 5920 Modoc Road between Roney Flat and Miller Flat. 1630 Comment
  CAS-BOT-BC198046  Linanthus harknessii M. Vasey 1990-6-30 9037 Modoc 0.2 mi from Junction of Lava Camp Road and road to Egg Lake. 1300 Comment
  JEPS103192  Linanthus nuttallii subsp. nuttallii G. Schoolcraft 2000-7-17 2916 Modoc N Warner Mountains East of Poison Lake 2225 Comment
  CDA6356  Linaria genistifolia subsp. dalmatica T. C. Fuller 1963-7-16 10908 Modoc Lassen Creek, Sugar Hill Planting, ca. 6 miles southeast of Willow Ranch. 0 Comment
  UC17254  Linum lewisii Milo S. Baker 1893-6 Modoc Lava Beds 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-BC242176  Listera convallarioides Bruce Bartholomew 1991-8-6 6088 Modoc Field redacted by CAS, contact the data manager for more information 2130 Comment
  UC13523  Listera convallarioides Milo S. Baker 1893-7-16 Modoc Comment
  UC71855  Listera convallarioides Mrs. M. H. Manning 1903-9-3 375 Modoc John Henry Camp 1828 Comment
  RSA59798  Lithophragma glabrum E. K. Balls 1950-5-17 14738 Modoc Howard s Gulch Public Camp, off Hwy. 139. N.W. of Canby. 1433 Comment
  JEPS5957  Lithophragma glabrum Frances D. Payne 1932-4-22 387 Modoc s and e Alturas (Parker Creek); Warner Mountains, Parker Creek 1584 Comment
  CAS-BOT-BC225831  Lithophragma parviflorum Bruce Bartholomew 1993-6-12 6594 Modoc Top of ridge directly above Day Rock. 1380 Comment
  SJSU5767  Lithophragma tenellum H. L. Buckalew 1961-6-24 Modoc 1.5 mi N of Cedar Pass on Alturas-Cedarville Rd, Warner Mts 2011 Comment
  CAS-BOT-BC54073  Lithospermum ruderale Harry Dwight Dillon Ripley; Rupert Charles Barneby 1944-5-31 5997 Modoc NW of Alturas. 1493 Comment
  UCR267418  Lithospermum ruderale Jim Andre, Glenn L. Clifton 1993-6-12 29990 Modoc Warner Mountains, c. 1 mi west of Cedarville, along Cedar creek and Hwy 299, Modoc National Forest 1480 Comment
  CAS-BOT-BC21441  Lomatium bicolor var. leptocarpum Bruce Bartholomew; Barrett Anderson 1989-4-28 4647 Modoc 8.8 km N of State Highway 299 on road to Raker & Thomas Reservoir. 1470 Comment
  CHSC115475  Lomatium bicolor var. leptocarpum L. P. Janeway 2014-7-8 11464 Modoc Modoc Plateau. East corner of Dry Creek Rim; along Road 47N08 (Corral Creek Road) 3.1 road-km north-northwest of Road 48 (along the west edge of Goose Lake). 1650 Comment
  CHSC117802  Lomatium bicolor var. leptocarpum L. P. Janeway 2016-5-16 11970 Modoc Modoc Plateau. Devils Garden area; along Road 47N07 1.8 road-km south of Road 181/73/47N09. 1573 Comment
  JEPS15826  Lomatium bicolor var. leptocarpum L. S. Smith 1917-5-28 Modoc Jess Valley Comment
  JEPS89919  Lomatium bicolor var. leptocarpum Dean Wm. Taylor, Glenn L. Clifton 1987-6-27 9114 Modoc headwaters of upper S. Deep Creek Warner Mts., headwaters of upper S. Deep Creek 2194 Comment
  SEINET3081248 Image available Lomatium bicolor var. leptocarpum Arnold Tiehm 1984-7-30 8827 Modoc 8.9 road miles NE of Ft. Bidwell on main road to Adel, just past the road summit. 1615 Comment
  UC1587086  Lomatium bicolor var. leptocarpum G. Schoolcraft 1991-6-18 2165 Modoc ca. 4 mi. n.e. Adin (w. of Hwy. 299) 1304 Comment
  RSA504594  Lomatium bicolor var. leptocarpum Bruce Bartholomew, B. Anderson 1988-6-23 4291 Modoc South side of Egg Lake, ca. 1.5 km west of the Burlington Northern railroad track 1300 Comment
  NY1115231  Lomatium canbyi B. M. Bartholomew 1993-5-10 6477 Modoc Northwest side of Barrel Spring Road near northwest corner of Mud Lake 1680 Comment
  UC1483806  Lomatium canbyi G. Schoolcraft 1980-4-10 205 Modoc near intersection of Hwys 395 and 299 on powerline R/W 1499 Comment
  CDA38470  Lomatium dissectum T. C. Fuller 1963-6-11 10646 Modoc Little Meadow Campground, South Fork of the Pit River, 7.9 miles east of Likely. 0 Comment
  CAS-BOT-BC30174  Lomatium dissectum var. multifidum K. Paulson; Robert Paulson 1988-6-11 34 Modoc North of Stough Reservoir, Warner Mts.. 1676 Comment
  CAS-BOT-BC30132  Lomatium grayi var. grayi C. C. (Mrs.) Bruce 1899-1-1 2490 Modoc Lake City Mt. Comment
  NY1141604  Lomatium hendersonii B. M. Bartholomew 1993-5-13 6533 Modoc Just west of Mud Lake on road to West Valley Reservoir 1460 Comment
  UC1608977  Lomatium hendersonii B. Bartholomew with M. Gilbert and L. Skog 1993-5-13 6533 Modoc just w. Mud Lake (on rd. to West Valley Reservoir) 1460 Comment
Read comments
Jul 17 2014
  CAS-BOT-BC30140  Lomatium macrocarpum Leland S. Smith 1919-5-9 1097 Modoc Jess Valley Ridge. 1706 Comment
  CAS-BOT-BC30143  Lomatium macrocarpum E. S. Willits 1940-4-16 183 Modoc Willow Ranch, Hwy 395. Comment
  UCR163906  Lomatium macrocarpum Jim Andre 1993-6-30 1401 Modoc Modoc Plateau, about 10 miles NW of Canby on Hwy 139, near NW end of Oak Ridge 1494 Comment
  CAS-BOT-BC30148  Lomatium macrocarpum K. Paulson; Robert Paulson 1989-4-16 100 Modoc Crowder Flat Road, Devil's Garden. Comment
  SEINET8688201  Lomatium macrocarpum E. K. Balls 1950-5-13 14670 Modoc 0.2 miles south of Oregon- California State line, west shore Goose Lake 1463 Comment
  CAS-BOT-BC15762  Lomatium nevadense var. nevadense Francis Dorris Payne 1932-6-10 627 Modoc Parker Creek. 1584 Comment
  UC1088543  Lomatium nevadense var. parishii Ornduff 1958-7-2 5017 Modoc 1 mi E of Patterson Meadow campground; Warner Mountains, Modoc National Forest 2438 Comment
  CAS-BOT-BC15771  Lomatium nudicaule Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-13 16471 Modoc 2.4 mi. S of Davis Creek. Comment
  UC20792  Lomatium nudicaule Mrs. R. M. Austin and Bruce June 1898 2287 Modoc Goose Lake Valley Comment
  OBI81656  Lomatium triternatum Tracey Call, Viola Call 1964-6-23 2281 Modoc 1 mile south of Perez. Comment
  SEINET11131560  Lomatium triternatum M. J. Williams, T. Holcomb, B. Holcomb, L. Saxton 1988-5-28 88191 Modoc Hwy 395, intersection with Davis Creek Road Comment
  JEPS5964  Lomatium triternatum var. macrocarpum Frances D. Payne 1931-6-18 197 Modoc S and E of Alturas (Parker Creek); Warner Mountains 1584 Comment
  UC643251  Lomatium triternatum var. macrocarpum Alice Eastwood and John Thomas Howell 1940-6-15 8292 Modoc 9 mi. n. Lookout Comment
  CAS-BOT-BC21406  Lomatium triternatum var. triternatum John Thomas Howell 1934-6-30 12253 Modoc Duncan Horse Camp. 1355 Comment
  CAS-BOT-BC21409  Lomatium triternatum var. triternatum Alice Eastwood; John Thomas Howell 1940-6-13 8146 Modoc Fandango Pass. Comment
  CAS-BOT-BC21417  Lomatium triternatum var. triternatum M. M. Hanna 1956-6-4 s.n. Modoc Cedar Pass. Comment
  HSC21596  Lomatium triternatum var. triternatum M. T. Milligan 1965-7-1 413 Modoc Plateau W of Jess Valley. 1829 Comment
  RSA504631  Lonicera involucrata Bruce Bartholomew, B. Anderson 1988-6-24 4329 Modoc Lily Lake, W side of the Warner Mountains. Sierran montane forest. Comment
  CAS-BOT-BC95172  Lonicera involucrata var. involucrata Bruce Bartholomew 1989-8-12 5121 Modoc South Fork of Pine Creek where it crosses West Warner Road, W side of Warner Mountains. 1900 Comment
  NY704621  Lotus denticulatus J. T. Howell 1934-6-15 12204 Modoc Dorris Reservoir, 2 miles east of Alturas Comment
  CAS-BOT-BC181941  Lotus purshianus var. purshianus John Thomas Howell 1934-6-30 12295 Modoc Duncan Horse Camp. 1355 Comment
  CHSC106331  Lotus purshianus var. purshianus Lowell Ahart; John Dittes 2010-8-30 17068 Modoc About 5 yards east of fence, south edge of the meadow, Ash Creek State Wildlife Area, 2300 feet north of Lassen County line, 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  RSA520488  Lotus unifoliolatus Bruce Bartholomew 1989-8-10 5039 Modoc Little Hot Spring Valley, 3.2 km NW of Day. 1070 Comment
  HSC68805  Lotus unifoliolatus var. unifoliolatus Gary Schoolcraft 1979-8-9 175 Modoc Near 10 Mile Creek 1768 Comment
  CAS-BOT-BC181927  Lupinus C. P. Smith 1947-6-13 47462 Modoc Highway 395, Pine Creek (town) 0.8 mi. S. Comment
  CAS-BOT-BC498665  Lupinus C. B. Wolf 1931-9-4 2398 Modoc At Canby 1325 Comment
  CAS-BOT-BC181918  Lupinus arbustus Robert Patterson; Mona Bourell 1993-8-14 5227 Modoc Patterson Lake. South Warner Wilderness Area. Warner Mountains. 2743 Comment
  CHSC70729  Lupinus arbustus A. Sanger 1997-6-22 2529 Modoc In and adjacent to pine plantation near Soup Springs. 2133 Comment
  SEINET5586601  Lupinus arbustus John F. Emmel 1996-1 1434 Modoc Warner Mts.; ridge 1.1-1.5 air miles south and 0.3-0.5 air mile west of Emerson Peak. Comment
  UC201905  Lupinus arbustus Franklin P. Nutting June, 1894 Modoc Big Valley; Lassen and Modoc Co. 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-BC497327  Lupinus arbustus var. arbustus John Thomas Howell 1934-6-14 12120 Modoc Near Lost Lake, Warner Mts. 2438 Comment
  CAS-BOT-BC182179  Lupinus argenteus Francis Dorris Payne 1931-6-20 206 Modoc Parker Creek, Warner Mts. 1584 Comment
  CAS-BOT-BC248328  Lupinus argenteus B. Bartholomew; H. Sun 2002-6-24 8809 Modoc Ridge top just S of Manzanita Mt. and 15.3 straight line km NW of Aden 2070 Comment
  LA205001  Lupinus argenteus Mrs. H. P. Bracelin; 1931-6-30 500 Modoc S end of Alturas 1523 Comment
  RSA32937  Lupinus argenteus A. A. Heller 1938-6-24 15222 Modoc Occasional clumps in gravel on slopes between Alturas and Canby. 1341 Comment
  SEINET10936563  Lupinus argenteus subsp. argenteus H. Dearing, M. Dearing 1939-7-7 Dearing 3575 Modoc W of canby 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
  OBI5674  Lupinus argenteus var. argenteus Carl B. Wolf 1931-9-4 2398 Modoc Canby 1326 Comment
  POM299303  Lupinus argenteus var. argenteus H. C. Cantelow 1940-5-31 s.n. Modoc 18 miles west of Canby. Comment
  CAS-BOT-BC182089  Lupinus argenteus var. heteranthus Alice Eastwood; John Thomas Howell 1940-6-12 8074 Modoc Between Likely and Jess Valley. Comment
  CAS-BOT-BC182097  Lupinus argenteus var. heteranthus R. M. Austin 1884-7-1 Modoc Hills near Davis Creek. Comment
  CAS-BOT-BC182114  Lupinus argenteus var. heteranthus C. L. Hitchcock 1940-5-27 6653 Modoc 9 mi. NE of Alturas. 1402 Comment
  CHSC107352  Lupinus argenteus var. heteranthus Lowell Ahart; John Dittes 2011-6-22 17556 Modoc About 50 yards east of the road, about 100 yards northeast of the Pilot Butte Parking Lot, north edge of Ash Creek Floodplain, 1.1 miles (air) south of County road 87, 7.7 miles (air) west of Adin, 10 miles (air) east of Lookout, Big Valley. 1264 Comment
  JEPS121194  Lupinus argenteus var. heteranthus Lowell Ahart, John Dittes 2013-7-25 18953 Modoc About 10 yards N of the E-W fence, S edge of Ash Creek floodplain, NE of Patterson Homestead, E of Elkins Lane, 1.0 air mile S of County Road 87, 3.14 air miles W of Adin, Big Valley. Comment
  NY736940  Lupinus argenteus var. heteranthus L. C. Wheeler 1935-8-7 3805 Modoc Pine Creek, Warner Mountains 1554 Comment
  NY736942  Lupinus argenteus var. heteranthus B. M. Bartholomew 1990-8-4 5634 Modoc Crest of the Warner Mountains, ca. 0.5 km southeast of Patterson Lake along Summit Trail 2770 Comment
  SBBG22272  Lupinus argenteus var. heteranthus C. B. Hardham 1961-6-19 7837 Modoc Davis Crk 1676 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-BC181896  Lupinus argenteus var. meionanthus Elmer Ivan Applegate 1932-8-1 8043 Modoc Arid E slope of Warren Peak, Warner Mts. 2743 Comment
  UC15937  Lupinus bicolor Milo S. Baker 1893-8-1 Modoc Comment
  SEINET6654725  Lupinus caudatus D. A. Charlet 1989-8-17 564 Modoc Warner Mountains; 1 km wouthwest of Dusenbery Peak, ridge.; 0 2771 Comment
  CAS-BOT-BC181883  Lupinus latifolius Barrett Anderson 1986-7-9 3169 Modoc Stough Reservoir Rd just E of Cedar Pass near Stough Reservoir. 1965 Comment
  CAS-BOT-BC181886  Lupinus latifolius Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16403 Modoc Thoms Creek, 6.1 mi. E of Hwy 299, on Cedar Pass Rd. Comment
  RSA31849  Lupinus latifolius subsp. viridifolius A. A. Heller 1941-6-25 16206 Modoc West side of the grade leading up to Cedar Pass. Comment
  SEINET195683  Lupinus laxiflorus var. calcaratus Annie M. Alexander, Louise Kellogg 1946-7-22 5038 Modoc End of road at Bear Camp Flat, Warner Mountains. 2286 Comment
  CAS-BOT-BC181874  Lupinus lepidus var. lobbii Annie Montague Alexander; L. Kellogg 1946-8-9 5133 Modoc Patterson Lake Trail, Warner Mts. Comment
  CAS-BOT-BC181863  Lupinus lepidus var. sellulus Bruce Bartholomew 1990-6-15 5235 Modoc SE corner of Sweagert Flat. 1860 Comment
  CAS-BOT-BC181866  Lupinus lepidus var. sellulus John Thomas Howell 1934-7-1 12302 Modoc Duncan Horse Camp. 1355 Comment
  CAS-BOT-BC181855  Lupinus leucophyllus Bruce Bartholomew 1994-7-4 6846 Modoc Coffee Mill Gully. 1430 Comment
  NY747434  Lupinus microcarpus H. D. D. Ripley 1944-5-31 5988 Modoc Northwest of Alturas 1372 Comment
  CAS-BOT-BC181833  Lupinus microcarpus var. microcarpus Alice Eastwood; John Thomas Howell 1940-6-11 8021 Modoc 8 mi. from Canby on road to Alturas. Comment
  JEPS119666  Lupinus microcarpus var. microcarpus Lowell Ahart, John Dittes 2012-7-11 18342 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
  UC126963  Lupinus microcarpus var. microcarpus Mrs. R. M. Austin and Bruce July 1898 154 Modoc Goose Lake Comment
  UC619258  Lupinus microcarpus var. microcarpus J. and H. W. Grinnell 1938-6-16 1114 Modoc six mi s Fort Bidwell; s of Fort Bidwell 1463 Comment
  UCD108862  Lupinus microcarpus var. microcarpus B. L. Kay 1955-6-17 s.n. Modoc 2 miles northwest of Likely. Comment
  NY747604  Lupinus polyphyllus var. saxosus B. M. Bartholomew 1988-5-13 4149 Modoc Along Parker Creek Road, at the border of Modoc National Forest and ca. 16 km WSW of Alturas, side of the Warner Mountains 1580 Comment
  RSA262988  Lupinus ruber B. J. Cox 1971-6-3 2608 Modoc 6 mi. N of Alturas on U.S. Hwy 395. 1341 Comment
  CAS-BOT-BC181819  Lupinus saxosus Bruce Bartholomew; Barrett Anderson 1989-4-29 4680 Modoc 9-11 km E of Fort Bidwell on road to Fee Reservoir, NE corner of Surprise Valley. 1580 Comment
  CAS-BOT-BC181822  Lupinus saxosus Bruce Bartholomew; Barrett Anderson 1988-5-13 4149 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
  POM10921  Lupinus sellulus subsp. sellulus M. S. Baker 128 Modoc [No location information provided.] Comment
  HSC25990  Lupinus sellulus var. sellulus D. H. Norris, T. Nelson, S. Dowty 1971-6-23 19513 Modoc Big Valley Summit, 6 mi. W of Adin on Hwy. 299 Comment
  CAS-BOT-BC181806  Lupinus sericeus var. flexuosus Edward Kent Balls 1950-5-18 14742 Modoc 1.3 mi. SW of Canby Bridge on Hwy 299. 1341 Comment
  POM215937  Lycium barbarum Louis C. Wheeler 1935-10-10 4033 Modoc Alturas. 1357 Comment
  HSC63628  Lycopus uniflorus J. P. Smith, J. O. Sawyer 1973-8-9 7275 Modoc Blue Lake, Modoc National Forest 1829 Comment
  CHSC112827  Lythrum tribracteatum Lowell Ahart; John Dittes 2013-7-24 18914 Modoc Around a man made pond, north side of Ash Creek Floodplain, 0.54 mile (air) southeast of Pilot Butte Parking Area, 1.1 miles (air) south of County Road 87, 6.8 miles (air) west of Adin, Big Valley. 1263 Comment
  CAS-BOT-BC49474  Madia citriodora John Thomas Howell 1934-6-11 11923 Modoc Parker Creek, Warner Mountains 1584 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
  UC579782  Madia citriodora David D. Keck and J. Clausen 1935-6-24 3714 Modoc 3 mi ne Willow Ranch (e of Goose Lake); e of Goose Lake 1554 Comment
  RSA94362  Madia citriodora J. T. Howell 1934-6-11 11923 Modoc Parker Creek, Warner Mts. 1585 Comment
  CAS-BOT-BC49432  Madia elegans Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-16 16526 Modoc 4.6 mi. N of Adin. Comment
  CAS-BOT-BC49440  Madia exigua Barrett Anderson 1986-7-9 3135 Modoc Roney Flat Rd just off Hwy 299. 1435 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-BC49443  Madia glomerata Bruce Bartholomew 1992-8-9 6390 Modoc Squaw Peak Trail between Patterson Lake and Owl Creek Trail, E side of Warner Mountains. 2250 Comment
  CAS-BOT-BC49448  Madia glomerata M. Vasey 1990-6-30 9063 Modoc Along County Rd 95 in dried wetland N of road, near Egg Lake. 1500 Comment
  JEPS117315  Madia glomerata Lowell Ahart, John Dittes 2010-8-30 17076 Modoc About 15 yards west of the fence, south edge of the meadow, Ash Creek State Wildlife Area, 2,300 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley 1267 Comment
  JEPS120510  Madia glomerata L. P. Janeway, B. Castro 2012-7-25 10983 Modoc Warner Mountains. Comment
  CAS-BOT-BC49414  Madia gracilis Bruce Bartholomew 1989-7-15 5006 Modoc Sweagert Flat. 1860 Comment
  JEPS5969  Madia gracilis Frances D. Payne 1935-8-25 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  JEPS5999  Madia gracilis Frances D. Payne 1933-8-5 766 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  UC33262  Madia gracilis Mrs. R. M. Austin and Bruce July 1898 2323 Modoc Goose Lake Comment
  RSA59540  Mahonia repens E. K. Balls 1950-5-20 14800 Modoc Above Mill Creek Falls Camp, toward Clear Lake. 1784 Comment
  RSA603741  Mahonia repens L. C. Wheeler 1935-8-14 3838 Modoc Pine Creek. Warner Mtns. 2011 Comment
  SEINET5339086  Mahonia repens M. J. Williams 1984-6-29 84- 72 -5 Modoc Cave Lake, west side of the Warner Mountains. Snow banks in protected areas. 2134 Comment
  CAS-BOT-BC242028  Maianthemum racemosum John Thomas Howell 1934-6-11 11954 Modoc Parker Creek. 1584 Comment
  CAS-BOT-BC242036  Maianthemum racemosum Elmer Ivan Applegate 1932-8-2 8084 Modoc Mill Creek Meadows, region of the south fork of Pit River. E slope of Warner Mts. Comment
  RSA210805  Maianthemum stellatum Robert F. Thorne, James Henrickson, C. W. Tilforth 1969-9-4 39126 Modoc N Fork of Pit River 3.4 mi N of Alturas where crossed by Highway 395. 1341 Comment
  CAS-BOT-BC49383  Malacothrix glabrata Bruce Bartholomew 1993-6-13 6620 Modoc E of Eagleville on E side of Surprise Valley between the valley floor and the Nevada border. 1400 Comment
  CAS-BOT-BC49388  Malacothrix sonchoides Bruce Bartholomew 1991-5-24 5706 Modoc Surprise Valley, E of Eagleville at the Nevada State boundary. 1520 Comment
  CAS-BOT-BC49389  Malacothrix sonchoides Bruce Bartholomew 1991-6-22 5845 Modoc E side of Surprise Valley, 9.6 km E of Eagleville at the Nevada border. 1520 Comment
  UC748041  Marrubium vulgare Annie M. Alexander and Louise Kellogg 1946-6-22 4812 Modoc upper edge Lake Annie; upper edge of Lake Annie 1524 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
  POM228963  Marsilea oligospora L. C. Wheeler 1935-9-18 3993 Modoc Everly Reservoir, Devil s Garden. 1524 Comment
  JEPS114951  Marsilea vestita subsp. vestita Lowell Ahart, John Dittes 2008-8-26 15340 Modoc On the bottom of Rose Creek, 750 feet southwest of confluence of Rose Creek and Pit River, on the northwest side of unnamed road, 2660 feet east of intersection with County Road 85a, 9.3 miles (air) north-northeast of Lookout 1276 Comment
  JEPS119672  Matricaria discoidea Lowell Ahart, John Dittes 2012-7-12 18353 Modoc In the parking area on the east side of Elkins Lane, northeast of 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. Comment
  CAS-BOT-BC181803  Medicago sativa Margaret J. Williams 1984-6-29 84- 70 -3 Modoc N of Alturas on Hwy 395 almost to Oregon border. 1432 Comment
  HSC29816  Melica fugax D. H. Norris, P. Nelson, S. Dowty 1971-6-22 19320 Modoc Soup Springs Campground. Comment
  UC1024673  Melica fugax Leo Whitney 1935-5-18 3082 Modoc ca 15 mi nw Canby (Hackamore); Modoc National Forest, Hackamore 1463 Comment
  CHSC112763  Mentha arvensis Lowell Ahart; John Dittes 2013-7-24 18939 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
  UC1037298  Mentzelia albicaulis Leo Whitney 1934-5-12 1641 Modoc Devil's Garden Modoc National Forest, northeast portion of country 1463 Comment
  CAS-BOT-BC179137  Mentzelia dispersa Elmer Ivan Applegate 1897-5-31 886 Modoc E side of Tule Lake. Comment
  CAS-BOT-BC179139  Mentzelia dispersa John Thomas Howell 1934-6-30 12264 Modoc Duncan Horse Camp. 1355 Comment
  CAS-BOT-BC179145  Mentzelia dispersa Betty J. Hammerly 1941-6-20 39 Modoc Between Mill Creek Public Camp and Clear Lake. 1767 Comment
  JEPS86352  Mentzelia dispersa Jack and Betty Guggolz 1988-6-28 961 Modoc n Jenkins Spring Comment
  RSA101492  Mentzelia dispersa R. Weatherby 1955-7-8 1611 Modoc 7 miles north of Ft. Bidwell, northern Warner Mts. 1875 Comment
  RSA520500  Mentzelia dispersa Bruce Bartholomew 1989-7-15 4999 Modoc Sweagert Flat. 567 Comment
  SEINET195717  Mentzelia dispersa Unknown 1946-6-12 4736 Modoc Fandango Pass road 1676 Comment
  UC872460  Mentzelia dispersa C. L. Hitchcock 1940-5-27 6690 Modoc 15 mi ne Alturas 1615 Comment
  CAS-BOT-BC179116  Mentzelia veatchiana Bruce Bartholomew 1991-6-22 5854 Modoc E side of Surprise Valley, 8.3 km E of Eagleville. 1430 Comment
  HSC46162  Menyanthes trifoliata J. P. Smith, J. O. Sawyer 1973-8-9 7278 Modoc Blue Lake, Modoc Natl. Forest 1829 Comment
  CAS-BOT-BC54005  Mertensia longiflora Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-11 6510 Modoc Edge of Jim's Flat along Oregon border. 1750 Comment
  CAS-BOT-BC54013  Mertensia oblongifolia var. amoena Betty J. Hammerly 1941-6-20 30 Modoc Clear Lake. 1767 Comment
  CAS-BOT-BC54016  Mertensia oblongifolia var. nevadensis Mrs. H. C. Cantelow 1940-6-1 s.n. Modoc Cedar Pass. 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-BC54019  Mertensia oblongifolia var. oblongifolia C. C. (Mrs.) Bruce 1899-7-1 2260 Modoc Modoc County. Comment
  CAS-BOT-BC54022  Mertensia oblongifolia var. oblongifolia Belknap C. Goldsmith 1913-5-13 97 Modoc W side of Warner Mts. 1584 Comment
  SEINET3152691  Mertensia sibirica Mrs. M. H. Manning 1903-4-1 83 Modoc Near Fort Bidwell; N-eastern part of county Comment
  CAS-BOT-BC225957  Micranthes nidifica Robert Patterson; Mona Bourell 1993-8-14 5229 Modoc Patterson Lake. South Warner Wilderness Area. Warner Mountains. 2743 Comment
  CAS-BOT-BC225959  Micranthes nidifica E. S. Willits 1940-5-16 254 Modoc Willow Ranch. 1371 Comment
  CAS-BOT-BC95552  Micromonolepis pusilla Bruce Bartholomew; M. Gilbert; L. Skog 1993-5-10 6462 Modoc Near Eagleville Airport, E side of Surprise Valley. 1400 Comment
  CAS-BOT-BC49351  Microseris nutans Bruce Bartholomew 1993-6-14 6667 Modoc Russell Canyon, just S of the Oregon border and NW of Clear Lake Reservoir. 1400 Comment
  CAS-BOT-BC49361  Microseris nutans John Thomas Howell 1934-6-11 11977 Modoc Parker Creek, Warner Mountains 1584 Comment
  RSA504658  Microseris nutans Bruce Bartholomew, B. Anderson 1988-7-23 4580 Modoc Dismal Swamp, Warner Mountains. 2180 Comment
  CAS-BOT-BC197912  Microsteris gracilis Gordon H. True 1964-6-3 1440 Modoc Cedar Pass, Warner Mts. 1524 Comment
  CAS-BOT-BC197918  Microsteris gracilis Bruce Bartholomew; Mona Bourell 1990-4-26 5154 Modoc 0.5 km S of Day. 1100 Comment
  CAS-BOT-BC498685  Microsteris gracilis R. L. Ward 1976-5-18 3 Modoc Modoc National Forest: Cowhead - Pine Spring 1493 Comment
  UC748145  Mimulus arvensis Annie M. Alexander and Louise Kellogg 1946-6-18 4800 Modoc Patterson Mill-Silver Creek roads 1828 Comment
  SBBG10583  Mimulus guttatus D. Myrick 1968-6-20 1975 Modoc Davis Crk on US Hwy 395, 15 mi N of Alturas 1524 Comment
  HSC26592  Mimulus latidens D. H. Norris, T. Nelson, S. Dowty 1971-6-23 19521 Modoc Big Valley Summit, 6 mi. W of Adin on Hwy. 299 Comment
  RSA584828  Mimulus latidens Bruce Bartholomew 1993-6-12 6577 Modoc Road to Day Rock from Little Hot Spring Valley. 1250 Comment
  HSC30183  Mimulus layneae D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19518 Modoc Big Valley Summit, 6 mi. W of Adin on Hwy. 299 Comment
  HSC20768  Mimulus lewisii M. T. Milligan 1967-7-9 669 Modoc E of Jess Valley 1768 Comment
  JEPS28993  Mimulus microphyllus Frances D. Payne 1931-6-12 154 Modoc w slope Warner Mountains; Parker Creek watershed 1584 Comment
  RSA149081  Mimulus nanus var. nanus I. L. Wiggins, Dorothy B. Wiggins 1961-6-15 16498 Modoc Junction of gravel road to Tieneste and Glass Mountain with Canby-Klamath Falls Highway 139, 28 mi. W of Canby. Comment
  RSA78966  Mimulus nanus var. nanus E. K. Balls, Percy C. Everett 1952-10-11 18163 Modoc 4.9 mi. w. from turn off of Hwy 139 on road to Pumice Pits, e. edge of Glass Flow. 1280 Comment
  UCD122879  Mimulus primuloides Verne Grant; Irving Schneider 1947-8-24 8255 Modoc Jess Valley, Warner Mountains. Comment
  UCR34779  Mimulus primuloides J. A. Harpel 1981-8-6 V- 7 Modoc Warner Mtns, South Warner Wilderness Area: E end of Patterson Lake, 7 mi NW of Eagleville 2744 Comment
  JEPS27799  Mimulus primuloides subsp. primuloides Frances D. Payne 1931-6-30 248 Modoc sw Warren Peak; Warner Mountains, Pine Creek Basin 2316 Comment
  RSA535786  Mimulus pygmaeus David M. Thompson 1988-6-3 929 Modoc Lookout Junction. 1300 Comment
  UC26888 Image available Mimulus pygmaeus M. S. Baker and Frank Nutting 1894-6-8 Modoc Egg Lake; ; Egg Lake, Modoc Co. Comment
  JEPS86346  Mimulus tilingii Jack and Betty Guggolz 1988-7-4 976 Modoc West Branch of Bidwell Creek Comment
  JEPS86875  Mimulus tricolor David M. Thompson 1988-6-3 928 Modoc betweeen Kramer Reservoir and White Horse-Lookout road (2.3 rd mi w of railroad crossing, s end of lake); Egg Lake 1300 Comment
  UC8124  Minuartia douglasii Milo S. Baker 1894-6-25 Modoc Big Valley Mountains Comment
  CAS-BOT-BC95214  Minuartia nuttallii Bruce Bartholomew 1991-8-5 6070 Modoc Summit Trail between Squaw Peak and Cottenwood Lake along crest of Warner Mts. 2530 Comment
  JEPS51405  Minuartia nuttallii subsp. gregaria W. L. Jepson 1918-8-13 7967 Modoc Eagle Peak Warner Mts. 3017 Comment
  UC7697  Mollugo verticillata W. H. Brewer 1862-8 1338 Modoc Eagle Creek Canyon Comment
  CAS-BOT-BC179372  Monardella odoratissima subsp. glauca Bruce Bartholomew 1989-7-14 4965 Modoc Survice Gulch ca. 3 km NE of Egg Lake. 1340 Comment
  UC25490  Monardella odoratissima subsp. glauca Milo S. Baker 1893-7-8 Modoc Comment
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Oct 10 2006
  CAS-BOT-BC179360  Monardella odoratissima subsp. pallida Bruce Bartholomew 1991-8-6 6079 Modoc Emerson Trail at junction with S Emerson trail, E side of Warner Mts. 2160 Comment
  CAS-BOT-BC179361  Monardella odoratissima subsp. pallida Elmer Ivan Applegate 1932-8-1 7997 Modoc N of Mill Creek Meadows. Comment
  POM228879  Monardella sheltonii Louis C. Wheeler 1935-8-14 3841 Modoc Pine Creek. Warner Mtns. 2012 Comment
  CAS-BOT-BC95545  Monolepis nuttalliana Bruce Bartholomew; Barrett Anderson 1989-6-3 4895 Modoc S side of Clear Lake Reservoir. 1400 Comment
  RSA639614  Monolepis nuttalliana L. C. Wheeler 1935-8-2 3741 Modoc Dismal Swamp: Twenty-Mile Creek. 2225 Comment
  UC1025099  Montia chamissoi Leo Whitney 1934-5-5 1609 Modoc 15 mi w of Canby (Happy Camp); Modoc National Forest, Happy Camp 1463 Comment
  UC748122  Montia chamissoi Annie M. Alexander and Louise Kellogg 1946-6-22 4814 Modoc Lake Annie 1524 Comment
  JEPS118264  Montia dichotoma Lowell Ahart, John Dittes 2011-6-22 17551 Modoc On the west side of the road, about 50 yards north of the Pilot Butte Parking Lot, north edge of Ash Creek Floodplain, 1.1 miles (air) south of County Road 87, 7.7 miles (air) west of Aden [Adin], 10 miles (air) east of Lookout, Big Valley 1264 Comment
  CAS-BOT-BC197509  Montia fontana Alice Eastwood; John Thomas Howell 1940-6-13 8194 Modoc W side of Cedar Pass. 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
  SEINET3026081  Montia fontana C. L. Hitchcock 1940-5-27 6697 Modoc 12 miles northeast of Alturas. 1620 Comment
  CAS-BOT-BC197544  Montia linearis Roxana Stinchfield Ferris; R. Duthie 1919-6-14 42 Modoc Parker Creek near Modoc Nat. Forest Boundary. Comment
  CAS-BOT-BC197545  Montia linearis Bruce Bartholomew; Barrett Anderson 1989-4-27 4614 Modoc 2.1 km SSE of Day on road to State Highway 299. 1020 Comment
  RSA59649  Montia linearis E. K. Balls 1950-5-12 14642 Modoc Above Bucks Creek Ranger Station, Modoc National Forest, E of Goose Lake. 1738 Comment
  UC748280  Montia linearis Annie M. Alexander and Louise Kellogg 1946-6-14 4755 Modoc Silver Creek branch of Patterson Mill Road 1828 Comment
  UC7865  Montia linearis Milo S. Baker 1893-6-15 Modoc 1371 Comment
  JEPS121233  Muhlenbergia richardsonis Lowell Ahart, John Dittes 2013-7-24 18912 Modoc N side of Ash Creek Floodplain, 0.54 air miles SE of Pilot Butte parking area, 1.1 air miles S of County Road 87, 6.8 air miles W of Adin, Big Valley. Comment
  RSA603670  Muhlenbergia richardsonis L. C. Wheeler 1935-8-21 3901 Modoc Devil's Garden: Pine Spring 1524 Comment
  UC1024848  Muhlenbergia richardsonis Leo Whitney 1935-6-9 3201 Modoc near White Horse (meadow); White Horse lake (flat) Comment
  HSC81156  Muilla transmontana G. M. Riegel 1980-7-1 802 Modoc S Warner Mtns. 2100 Comment
  SEINET3125072 Image available Munroa squarrosa Richard R. Halse 2006-8-3 6988 Modoc Along Jess Valley Road ca. 4 miles east of Likely, just past bridge over the Pit River. 1387 Comment
  CHSC85413  Myosurus minimus John Dittes 1991-6-1 375 A Modoc Modoc Plateau; Big Valley; Ash Creek Wildlife Area; ca. 5.7 air-miles northeast of Bieber, ca. 7.6 air-miles west of Adin, ca. 1.5 air-mile southeast of Pilot Butte summit, meadow at northern edge of Ash Creek Floodplain (Big Swamp) at southeast base of Pilot Butte. 1258 Comment
  UC1101500  Myriophyllum sibiricum Herbert L. Mason and Verne Grant 1947-8-13 13531 Modoc n.e. side of F reservoir n. of Canby Comment
  UCD87979  Nassella lepida Elizabeth Wilson 1940-6-1 1000 Modoc Modoc County. Comment
  RSA164296  Navarretia breweri Clare B. Hardham 1961-6-18 7817 Modoc Cedar Pass Comment
  UC1025106  Navarretia breweri Leo Whitney 1934-5-18 1925 Modoc Ingall's Swamp, ne portion of Modoc Co. Modoc National Forest, Devil's Garden 1524 Comment
  UC133779  Navarretia divaricata Mrs. R. M. Austin Aug 1894 308 Modoc Davis Creek Comment
  UC526152  Navarretia divaricata subsp. vividior John Thomas Howell 1934-7-1 12323 Modoc Duncan Horse Camp Comment
  UCR66593  Navarretia intertexta F. W. Peirson 1926-6-25 6868 Modoc Cedarville Pass, Warner Mountains 1926 Comment
  UC23657  Navarretia intertexta subsp. intertexta Milo S. Baker 1893-7-8 Modoc Comment
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May 31 2009
  POM261442  Navarretia intertexta subsp. propinqua Alice Eastwood, J. T. Howell 1940-6-13 8131 Modoc West side of Fandango Pass. Comment
  CHSC14171  Navarretia leptalea K. R. Stern; D. B. Joley, J. G. Geschke 1974-6-22 5823 Modoc W side of Egg Lake. 1295 Comment
  CHSC34343  Navarretia leucocephala subsp. minima K. R. Stern; D. B. Joley, J. G. Geschke 1974-6-23 5845 Modoc Vernal pool on e side of railroad tracks, on n side of Whitehorse-Lookout Road. Comment
  UC856840  Navarretia leucocephala subsp. minima Lewis S. Rose 1940-6-14 40571 Modoc 8 mi nw Canby 1524 Comment
  UC1058210  Navarretia leucocephala subsp. minima C. McMillan 1949-6-16 1536 Modoc 3 mi s Crowder Flat (35 mi n of Canby) Comment
  UC1058212  Navarretia leucocephala subsp. minima C. McMillan 1949-6-16 1538 Modoc 3 mi s Crowder Flat (35 mi n of Canby) Comment
  RSA148668  Navarretia sinistra Clare B. Hardham 1961-6-19 7819 -A Modoc Willow Creek. Warner Mountains. Comment
  CAS-BOT-BC7186  Nemophila austiniae R. M. Austin 1885-6-1 s.n. Modoc Davis Creek Comment
  SEINET195695  Nemophila breviflora Annie M. Alexander, L Kellogg 1946-6-15 4775 Modoc Deep Creek 2134 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
  UC748435  Nemophila parviflora var. austiniae Annie M. Alexander and Louise Kellogg 1946-6-14 4745 Modoc Barber Creek Barber Creek (Patterson Mill Road) 1798 Comment
  UC748446  Nemophila parviflora var. austiniae Annie M. Alexander and Louise Kellogg 1946-6-5 4665 b Modoc s Eagleville (Emerson Creek, Emerson Camp, in camp meadow); Warner Mountains, Emerson Creek 2133 Comment
  HSC26509  Nemophila pedunculata J. P. Smith, J. O. Sawyer 1972-5-6 5258 Modoc FS road to Quail Spring at Hwy. 299, N of Adin 1463 Comment
  RSA59717  Nemophila pedunculata E. K. Balls 1950-5-18 14758 Modoc N of Upper Rush Creek Public Camp; 2.5 mi. east from Hwy. 299 1738 Comment
  UC24289  Nemophila pedunculata Milo S. Baker 1899-8-25 Modoc Forestdale Comment
  UC72016  Nemophila pedunculata Milo S. Baker 1887-1 Modoc Forestdale Comment
  UC880935  Nemophila pedunculata C. L. Hitchcock 1940-5-27 6684 Modoc 15 mi ne Alturas; ne of Alturas 1615 Comment
  POM249004  Nemophila pedunculata Lincoln Constance 1938-6-12 2337 Modoc Margin of Rush Creek, 8 miles northeast of Adin. 1524 Comment
  RSA59368  Nemophila pedunculata E. K. Balls 1950-5-11 14625 Modoc 8.1 miles NE of Fort Bidwell. Above Cow Head Lake. Along 8 Mile Creek. 1463 Comment
  UC24291  Nemophila pedunculata Milo S. Baker 1893-6-18 Modoc Comment
  UC336782  Neoholmgrenia andina unknown Modoc Honey Lake Valley Comment
  UC726196  Neoholmgrenia andina A. A. Heller 1941-6-25 16198 Modoc on the Cedarville rd a short distance e junction with U.S. Highway 395 Comment
  HSC26499  Nestotus stenophyllus J. P. Smith, J. O. Sawyer 1972-5-6 5273 Modoc Along Hwy. 299, 4 mi. W of Modoc County Rd. 58, E of Alturas 1494 Comment
  POM42286  Nestotus stenophyllus Mrs. R. M. Austin 1894-05 s.n. Modoc Goose Lake Valley. Comment
  SD53082  Nestotus stenophyllus Peter H. Raven 1962-5-29 17895 Modoc 14 miles northwest of Canby. Comment
  CHSC106332  Nicotiana attenuata Lowell Ahart; John Dittes 2010-8-30 17081 Modoc Parking Area west of the old barn, on the west side of Elkins Lane, Ash Creek State Wildlife area, 320 feet north of Lassen County Line, about 4.4 miles (air) west of Adin, about 7.2 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  CHSC34509  Nicotiana attenuata J. D. Prouty 1980-8-9 1148 Modoc Ca. 2 mi e of Cedarville, n side of Rd 299 as it intersects w margin of Middle Alkali Lake. Comment
  JEPS79207  Nothocalais troximoides L. R. Heckard with Rimo Bacigalupi 1980-6-11 5239 Modoc junction of Parker Creek and Sheilds Creek (about 10 air mi se of Alturas); Parker Creek 1737 Comment
  NY998662  Oenothera deltoides var. piperi M. J. Williams 1988-6-2 88- 27 --5 Modoc Hwy 395 0.4 mile east of Susanville road after turn to Alturas Comment
  CAS-BOT-BC245094  Olsynium douglasii var. douglasii R. L. Ward 1976-5-18 s.n. Modoc unspecified 1508 Comment
  CAS-BOT-BC245095  Olsynium douglasii var. douglasii Edward Kent Balls 1950-5-12 14641 Modoc Above Buck Creek Ranger Station. 1767 Comment
  UC190690  Olsynium douglasii var. douglasii M. F. Gilman 581 Modoc Modoc Co. Hills 1676 Comment
  UCD134664  Onopordum acanthium T. C. Fuller 1959-7-8 2795 Modoc south side of 4th Street, east of East Street, Alturas. Comment
  CAS-BOT-BC49372  Onopordum acanthium subsp. acanthium Bruce Bartholomew; Barrett Anderson 1990-7-19 5395 Modoc Turner Creek at County Rd 90, N end of Big Valley, 6.4 km N of Lassen County border. 1230 Comment
  CAS-BOT-BC50377  Onopordum acanthium subsp. acanthium Thomas C. Fuller 1958-7-9 900 -58 Modoc Alturas. Comment
  CAS-BOT-BC190792  Orobanche fasciculata Elmer Ivan Applegate 1897-6-1 3031 Modoc 9 mi. W of Alturas. 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
  HSC80905  Orobanche fasciculata G. M. Riegel 1980-6-30 780 Modoc S Warner Mtns. 1829 Comment
  UC35317  Orobanche fasciculata Mrs. Bruce 1898-1 Modoc (No location given). Comment
  CAS-BOT-BC190788  Orobanche uniflora Bruce Bartholomew 1990-6-17 5345 Modoc 4 km N of Buck Creek Ranger Station at turn off to Del Prat Spring, W side of Warner Mts. 1900 Comment
  SJSU8384  Orobanche uniflora R. L. Fisher 1958-6-13 Modoc near Adin Pass c. 6 mi S of Canby 1524 Comment
  UC1586960  Orobanche uniflora subsp. occidentalis Juha Pykala and D. H. Norris 1987-5-28 1275 Modoc Modoc National Forest, Warner Mountains, ca. 3-4 miles W of Lake City, Lake City Canyon. Comment
  CAS-BOT-BC95701  Orthilia secunda Elmer Ivan Applegate 1932-8-6 8213 Modoc Moist woods above Lily Lake, Bidwell Mountains. Comment
  CAS-BOT-BC232317  Orthocarpus cuspidatus subsp. copelandii Barrett Anderson 1986-7-9 3155 Modoc Hwy 299 just W of Cedar Pass, Warner Mountains 1920 Comment
  CAS-BOT-BC232319  Orthocarpus cuspidatus subsp. copelandii Annie Montague Alexander; L. Kellogg 1946-7-7 4923 Modoc Eight Mile Creek. 1752 Comment
  CAS-BOT-BC232322  Orthocarpus cuspidatus subsp. copelandii Francis Dorris Payne 1932-6-26 614 Modoc Parker Creek. 1584 Comment
  JEPS77515  Orthocarpus cuspidatus subsp. cryptanthus L. R. Heckard with T. I. Chuang and R. C. Bacigalupi 1978-7-19 4992 Modoc Cedar Pass; Warner Mts., Cedar Pass 1920 Comment
  UC673450  Orthocarpus cuspidatus subsp. cryptanthus F. H. Frost 1925-7-25 Modoc Eagle Peak; Warner Mts., Eagle Peak Comment
  UC71735  Orthocarpus cuspidatus subsp. cryptanthus Mrs. M. H. Manning August, 1903 286 Modoc Mt. Bidwell; ne Modoc County Comment
  UC735036  Osmorhiza berteroi Lincoln Constance 1946-7-4 3103 Modoc Deep Creek 3.4 mi below summit; Warner Mountains 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-BC15745  Osmorhiza occidentalis Annie Montague Alexander; L. Kellogg 1946-7-11 4962 Modoc Eight Mile Creek. Comment
  CAS-BOT-BC15747  Osmorhiza occidentalis Elmer Ivan Applegate 1932-8-2 8078 Modoc Mill Creek Meadow, W slope of Warner Mts. Comment
  UC748406  Osmorhiza occidentalis Annie M. Alexander and Louise Kellogg 1946-6-30 4875 Modoc Highgrade Warner Mountains (w side of ridge, n end of mts.) 2377 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
  RSA17706  Oxyria digyna Elmer I. Applegate 1932-8-5 8178 Modoc Craggy summit of Cedar Mountain, north of Cedar Pass, Warner Mountains Comment
  CAS-BOT-BC50303  Packera cana Annie Montague Alexander; L. Kellogg 1946-7-23 5044 Modoc Emerson Peak, near summit, Warner Mountains 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
  UC748191  Packera cana Annie M. Alexander and Louise Kellogg 1946-7-23 5044 Modoc e slope Emerson Peak; Warner Mountains, e slope Emerson Peak Comment
  SJSU9651  Packera cana W. Savage 1979-7-8 1486 Modoc N end Fairchild Swamp Unit, Devils Garden District, Modoc National Forest 1493 Comment
  CAS-BOT-BC50315  Packera eurycephala var. eurycephala Harry Dwight Dillon Ripley; Rupert Charles Barneby 1944-5-31 5991 Modoc NW of Alturas. 1371 Comment
  CAS-BOT-BC50317  Packera eurycephala var. eurycephala Bruce Bartholomew 1991-5-25 5766 Modoc 8 km E of Likely on road to Jess Valley, N side of road along N side of S Fork of Pit River. 1460 Comment
  CAS-BOT-BC190770  Paeonia brownii William Albert Weber 1953-5-14 8372 Modoc W end of Jess Valley, 10 mi. E of Likely. 1432 Comment
  CAS-BOT-BC190771  Paeonia brownii Bruce Bartholomew 1994-7-2 6815 Modoc E of Bald Mtn. on E side of the Warner Mountains. 2230 Comment
  CAS-BOT-BC248355  Paeonia brownii B. Bartholomew; H. Sun 2002-6-24 8838 Modoc Ca. 1 km NW of Bald Mt., E side of the Warner Mountains 2290 Comment
  SEINET195691 Image available Paeonia brownii Annie M. Alexander, Louise Kellogg 1946-6-15 4778 Modoc Deep Creek 2160 Comment
  UC480851  Paeonia brownii W. P. Taylor and H. C. Bryant 1910-7-13 Modoc N. Fork Parker Creek Warner Mountains (head) 2286 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
  RSA520367  Paeonia brownii Bruce Bartholomew, B. Anderson 1989-4-29 4686 Modoc Surprise Valley Road, just S of the Oregon border, extreme NE corner of Modoc County. 1630 Comment
  UC1237946  Paeonia brownii John Weiler and A. P. Nelson May 26 1961-May 29 1961 61221 Modoc Cedar Pass Warner Mountains (steep slopes above hwy) Comment
  RSA602592  Panicum capillare L. C. Wheeler 1935-9-13 3984 Modoc Devil's Garden; Fletcher Creek at Pease Place 1524 Comment
  SD148006  Panicum capillare Sheryl Gill 1996-9-3 Modoc at the Tule Lake National Wildlife Refuge - Frey's Island, southeast part of the refuge in southern sump, old agricultural fields 1228 Comment
  UC1024778  Panicum capillare Leo Whitney 2246 Modoc ca 15 mi nw Canby (Hackamore, Modoc National Forest); Modoc National Forest, Hackamore 1463 Comment
  CAS-BOT-BC498684  Pectocarya penicillata F. D. Douthitt 1916-5-17 28 Modoc Modoc Forest: Flornoy Swale 1828 Comment
  RSA531348  Pedicularis attollens K. Paulson, R. Paulson 1990-7-21 213 Modoc Patterson Meadow, Warner Mts. Comment
  UC27300  Pedicularis attollens Milo S. Baker 1893-7-30 Modoc Comment
  CAS-BOT-BC232303  Pedicularis groenlandica subsp. surrecta Annie Montague Alexander; L. Kellogg 1946-6-28 4854 Modoc Pine Creek Canyon, Warner Mountains 2240 Comment
  POM128328  Penstemon davidsonii subsp. davidsonii M. French Gilman s.n. Modoc [No location information provided.] Comment
  NY590158  Penstemon davidsonii var. davidsonii B. M. Bartholomew 1991-8-5 6055 Modoc Spring northeast of Cottenwood Lake along Summit Trail from Squaw Peak to Patterson Lake, Warner Mountains. 2580 Comment
  HSC26598  Penstemon deustus D. H. Norris, T. Nelson, S. Dowty 1971-6-23 19373 Modoc Along the S Fork of the Pit River, ~6 mi. E of Likely. Comment
  UC573267  Penstemon deustus M. H. Mitchell 1936-5-21 49 Modoc 2 mi SE Hospital Rock; Modoc Lava Beds Natl. Mon., Dorris Quadrangle 1249 Comment
  CAS-BOT-BC232333  Penstemon deustus var. pedicellatus Bruce Bartholomew; Barrett Anderson 1989-6-3 4858 Modoc Crowder Flat Road at Fletcher Creek. 1550 Comment
  CAS-BOT-BC232336  Penstemon deustus var. pedicellatus John Thomas Howell 1934-6-11 11919 Modoc Parker Creek, Warner Mountains 1584 Comment
  CAS-BOT-BC232375  Penstemon deustus var. pedicellatus Bruce Bartholomew; Barrett Anderson 1989-6-3 4876 Modoc Boles Creek, ca. 5.5 km E of the SE corner of Clear Lake Reservoir. 1430 Comment
  NY591814  Penstemon deustus var. pedicellatus B. M. Bartholomew 1989-6-3 4876 Modoc Boles Creek, ca. 5.5 km east of the southeast corner of Clear Lake Reservoir. 1430 Comment
  CAS-BOT-BC245540  Penstemon gracilentus Leland S. Smith 1918-6-22 951 Modoc Lily Lake. 2042 Comment
  CAS-BOT-BC245541  Penstemon gracilentus Elmer Ivan Applegate 1932-7-31 7959 Modoc Mill Creek Meadow, Warner Mountains Comment
  NY600735  Penstemon gracilentus B. M. Bartholomew 1988-7-21 4472 Modoc Vicinity of Patterson Campground, southern end of the Warner Mountains Comment
  UC190599  Penstemon gracilentus M. F. Gilman 611 Modoc Mts. 1676 Comment
  UCD149975  Penstemon gracilentus Harry George 1967-6-15 s.n. Modoc Egg Lake. Comment
  NY601604  Penstemon heterodoxus var. shastensis J. D. Jokerst 1987-5-12 2848 Modoc Ca. 4 miles south of Doublehead Mountain, east of Highway 139, northwest of Canby Comment
  CAS-BOT-BC245529  Penstemon humilis var. humilis Dean William Taylor; Robert Allen Price 1988-6-4 9742 Modoc Damons Butt, ca. 2.6 mi. W of Hwy 139. 1341 Comment
  CAS-BOT-BC245518  Penstemon janishiae J. Vale; K. Wagnon; W. Kngith; Irja Knight 1981-5-21 4119 Modoc Crowder Flat Road, half way between Hwy 299 and Devils Garden. 1371 Comment
  SEINET10444506  Penstemon janishiae K. Paulson, R. Paulson 1988-1 21 Modoc Barnes Grade, Crowder Flat Road to Devil's Garden. 1433 Comment
  SEINET12319635  Penstemon janishiae N. H. Holmgren, Holmgren, P. K. 1978-1 8883 Modoc Crowder Flat Rd, .5 km from jct with CA Hwy 299 whic is 5.6 km W of US Hwy 395 1340 Comment
  CAS-BOT-BC245512  Penstemon laetus var. sagittatus Bruce Bartholomew 1993-6-14 6651 Modoc 2 km E of County Road 114 on County Road 108, NW of Clear Lake Reservoir. 1320 Comment
  SJSU7680  Penstemon laetus var. sagittatus H. L. Buckalew 1961-6-23 Modoc near Stowe Reservoir c. 1 mi N of Cedar Pass on Alturas-Cedarville Rd, Warner Mts 2072 Comment
  CAS-BOT-BC232504  Penstemon roezlii Annie Montague Alexander; L. Kellogg 1946-6-17 4788 Modoc 10 mi. NE of Alturas, Cedar Pass Road. Comment
  CAS-BOT-BC232505  Penstemon roezlii M. M. Hanna 1956-6-7 s.n. Modoc Hwy 139 between Canby and Tienesta. Comment
  CAS-BOT-BC232520  Penstemon roezlii Milo Samuel Baker 1936-7-14 8340 Modoc About 2 mi. W of Cedar Pass Camp, Warner Mts. along ola road to Alturas. Comment
  CAS-BOT-BC232521  Penstemon roezlii Lincoln Constance 1938-6-12 2335 Modoc Open flat near foot of Banner Grade, Cedar Pass road 12.8 mi. NE of Alutras. 1463 Comment
  NY650093  Penstemon roezlii N. H. Holmgren 1978-6-8 8882 Modoc Top of mesa, 7.3 km (4.5 miles) airline distance west of Alturas on Crowder Flat road. 1460 Comment
  NY650112  Penstemon roezlii F. W. Pennell 1940-6-7 25278 Modoc Route 299, 4 miles northeast of Adin 1341.1 Comment
  NY650133  Penstemon roezlii C. L. Hitchcock 1940-5-27 6651 Modoc 9 miles northeast of Alturas 1402.1 Comment
  POM260364  Penstemon roezlii C. Leo Hitchcock 1940-5-28 6719 Modoc 15 miles north of Alturas, (near Surprise). 1402 Comment
  POM260862  Penstemon roezlii Alice Eastwood, John T. Howell 1940-6-13 8189 Modoc West side of Cedar Pass. Comment
  UC27457  Penstemon roezlii Milo S. Baker 1893-6-14 Modoc near shore Egg Lake; near shore of Egg Lake Comment
  UC614471  Penstemon roezlii L. Constance 1938-6-12 2335 Modoc 12.8 mi ne Alturas (open flat near foot of Banner Grade, Cedar Pass road); western foothills Warner Range, Cedar Pass road 1463 Comment
  NY650110  Penstemon roezlii B. M. Bartholomew 1988-6-23 4246 Modoc 4.2 km northwest of Day. Fall River Mills 15' Quad. 1020 Comment
  UC27496  Penstemon roezlii Mrs. R. M. Austin Aug. 1894 Modoc hills e Davis Creek (northern California); Hills e of Davis Creek Comment
  UC726741  Penstemon roezlii A. A. Heller 1941-6-25 16200 Modoc w of ascent to Cedar Pass; w of ascent to Cedar Pass Comment
  OBI26238  Penstemon rostriflorus William Baker 1973-7-6 s.n. Modoc 3/4 mi above Barney Lake Comment
  CHSC118293  Penstemon rydbergii var. oreocharis J. P. Janeway 2016-5-17 12040 Modoc Modoc Plateau. Devils Garden area; where Road 45N06 crosses Logans Slough; about 3.2 air-km north of Big Sage Reservoir. 1494 Comment
  SEINET8512821 Image available Penstemon rydbergii var. oreocharis Noel H. Holmgren, P. K. Holmgren 2014-6-13 16550 Modoc Warner Mountains, Plum Valley Road 5.1 km (3.2 miles) road distance southeast US HWY 395 (in the small town of Davis Creek) 1708 Comment
  RSA271899  Penstemon speciosus Christopher Davidson 1975-6-4 2613 Modoc 1/4 mi. W of Cedarville on Hwy 299. 1463 Comment
  HSC21106  Penstemon speciosus M. T. Milligan 1964-6-20 61 Modoc 2 mi. N on Pencil Rd. from Hwy. 395 1372 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
  CAS-BOT-BC214734  Peraphyllum ramosissimum Leland S. Smith 1920-7-4 1170 Modoc Plateau, W of Alturas. 1524 Comment
  CAS-BOT-BC214735  Peraphyllum ramosissimum Edward Kent Balls 1950-5-20 14811 Modoc Above South Fork Public Camp, on slope S of River, Likely to Jess Valley. 1432 Comment
  CAS-BOT-BC15711  Perideridia bolanderi subsp. bolanderi R. K. Gierisch; D. H. Esplin 1969-7-15 3542 Modoc Modoc County. 1524 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
  UC71871  Perideridia oregana Mrs. M. H. Manning May 1903 102 Modoc near Fort Bidwell (ne Modoc Co.) Comment
  CHSC117289  Persicaria lapathifolia Lowell Ahart; John Dittes 2016-7-14 21189 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
  CHSC71886  Persicaria lapathifolia Vernon H. Oswald; Lowell Ahart 1998-9-8 9600 Modoc Mosquito Lake on the north side of Whitehorse Flat Reservoir ca. 20 air mi north of McArthur. Common in drying soil on the receding margin of the lake. 1341 Comment
  HSC65616  Persicaria maculosa Thomas Wood 1979-8-11 252 Modoc 4 mi. S of Fort Bidwell on Co. Hwy. 1 1396 Comment
  HSC81070  Phacelia hastata G. M. Riegel 1980-8-28 1070 Modoc S Warner Mtns. 1739 Comment
  CAS-BOT-BC95632  Phacelia hastata subsp. hastata Alice Eastwood; John Thomas Howell 1940-6-13 8119 Modoc Surprise Valley. Comment
  HSC65623  Phacelia hastata var. compacta J. P. Smith, J. O. Sawyer 1973-8-8 7221 Modoc Near summit of Eagle Peak 2988 Comment
  CAS-BOT-BC180007  Phacelia heterophylla subsp. virgata Alice Eastwood; John Thomas Howell 1940-6-14 8240 Modoc Between Mammoth Cave and Lava Beds Nat. Mon. Comment
  CAS-BOT-BC180016  Phacelia heterophylla subsp. virgata Lawrence Ray Heckard 1952-6-19 311 Modoc Slope above Cedar Pass. 2011 Comment
  CAS-BOT-BC180009  Phacelia heterophylla subsp. virgata Frederick H. Frost 1925-7-24 107 Modoc Jess Valley. Comment
  HSC13655  Phacelia heterophylla subsp. virgata M. T. Milligan 1965-6-27 351 Modoc E slope of eroded volcanic plateau. 1677 Comment
  UC748436  Phacelia heterophylla subsp. virgata Annie M. Alexander and Louise Kellogg 1946-6-10 4721 Modoc lava bench between Lower Lake and Snake Lake (slope facing Lower Lake) Comment
  HSC81072  Phacelia humilis G. M. Riegel 1978-7-11 50 Modoc South Warner Mtns. 1670 Comment
  UC1226494  Phacelia humilis Arthur Cronquist and Arthur H. Holmgren 1959-6-19 8507 Modoc atop ridge s Mill Creek (a little above Clear Lake, 15 mi e of Likely); Warner Mts. 1981 Comment
  UC1586866  Phacelia humilis Juha Pykala and D. H. Norris 1987-5-28 1198 Modoc n slope near Thoms Creek; Modoc National Forest, Cedar Pass Campground 1780 Comment
  UC748322  Phacelia humilis Annie M. Alexander and Louise Kellogg 1946-6-5 4660 Modoc s Eagleville; Warner Mountains, Emerson Creek 1783 Comment
  CDA40368  Phacelia humilis John Elliot 1975-8-3 150 Modoc Benton Meadows, Modoc National Forest, north of Lake City. 0 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
  CAS-BOT-BC179974  Phacelia humilis var. humilis Roxana Stinchfield Ferris; R. Duthie 1919-6-13 126 Modoc Parker Creek. 2133 Comment
  CAS-BOT-BC179975  Phacelia humilis var. humilis Francis Dorris Payne 1932-6-26 613 Modoc Ridge N of Parker Creek. 1828 Comment
  CAS-BOT-BC179983  Phacelia humilis var. humilis Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10542 Modoc Patterson Ranger Station (East Creek drainage). 2164 Comment
  CAS-BOT-BC179986  Phacelia humilis var. humilis K. Paulson; Robert Paulson 1989-6-14 128 Modoc Ca. 1.5 mi. NE of Cedar Pass, Warner Mts. 1905 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
  POM299083  Phacelia humilis var. humilis Alice Eastwood, J. T. Howell 1940-6-13 8185 Modoc West side of Cedar Pass. Comment
  CAS-BOT-BC179966  Phacelia inundata Milo Samuel Baker 1936-6-14 8307 Modoc Marlin to Canby several mi N of Quarantine Station. Comment
  CAS-BOT-BC179954  Phacelia linearis M. M. Hanna 1956-6-7 Modoc Junction Hwy 139 and Glass Mt. Rd. Comment
  JEPS2135  Phacelia linearis L. S. Smith 1103 Modoc Deep Creek Ranger Sta. Warner Mts. (s of mts., w of Cedarville) 1493 Comment
  UC71861  Phacelia linearis Mrs. M. H. Manning June 1903 168 Modoc slopes near Fort Bidwell (ne Modoc Co.) Comment
  CAS-BOT-BC179955  Phacelia linearis Milo Samuel Baker 1893-7-5 Modoc Lava beds. Comment
  CAS-BOT-BC179963  Phacelia linearis John H. Hatton 1911-6-22 147 Modoc Near Huffman Ranch. 1615 Comment
  CAS-BOT-BC179936  Phacelia ramosissima var. ramosissima Francis Marion Ownbey; Frederick Gustav Meyer 1940-7-1 2156 Modoc Cedar Peak. Comment
  CAS-BOT-BC179928  Phacelia sericea var. ciliosa Francis Dorris Payne 1932-7-21 721 Modoc Ridge N of Mt Warren. 2438 Comment
  CAS-BOT-BC179917  Phacelia thermalis Alice Eastwood; John Thomas Howell 1940-6-15 8287 Modoc 9 mi. N of Lookout. Comment
  POM63285  Phacelia thermalis Milo S. Baker 1899-8-18 s.n. Modoc Little Hot Spring Valley Comment
  UC881274  Phacelia thermalis Lewis S. Rose 1940-6-12 40537 Modoc 10 mi south of Alturas 1341 Comment
  UC726937  Phacelia thermalis A. A. Heller 1941-6-26 16220 Modoc three mi w Canby (along hwy) Comment
  CHSC113064  Phalaris arundinacea Lowell Ahart; John Dittes 2013-7-24 18925 Modoc On the north side of the levee road, north side of Ash Creek Floodplain, 0.54 mile (air) southeast of Pilot Butte Parking Area, 1.1 miles (air) south of County Road 87, 6.8 miles (air) west of Adin, Big Valley. 1262 Comment
  CHSC117250  Phleum pratense Lowelll Ahart; John Dittes 2016-7-16 21248 Modoc Between the first pond and the second going west, south of Ash Creek Canal (now filled in), south of Ash Creek, Ash Creek Staate Wildlife Area, 0.79 miles (air) west of Adin, Big Valley. 1273 Comment
  HSC2313  Phleum pratense M. T. Milligan 1964-7-20 156 Modoc N end of Jess Valley, near Mill Creek. 1677 Comment
  HSC80827  Phleum pratense G. M. Riegel 1979-7-30 629 Modoc S Warner Mtns. 2100 Comment
  UCD89652  Phleum pratense Leo Whitney 1935-7-2 s.n. Modoc Happy Camp. Comment
  SJSU13878  Phlox caespitosa N. A. Hopkins 1985-5-14 1726 Modoc by rd between Alturas & Cedarville, Warner Mts 1524 Comment
  CAS-BOT-BC248333  Phlox diffusa B. Bartholomew; H. Sun 2002-6-24 8813 Modoc Ridge top just S of Manzanita Mt. and 15.3 straight line km NW of Aden 2070 Comment
  HSC17158  Phlox diffusa M. T. Milligan 1965-7-5 414 Modoc Ridges E of Jess Valley. 1829 Comment
  JEPS86362  Phlox diffusa Jack and Betty Guggolz 1988-7-3 974 Modoc near summit of Bidwell Mountain; Bidwell Mountain Comment
  CAS-BOT-BC197929  Phlox douglasii subsp. rigida Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16392 Modoc 5 mi. E of Hwy 299 along Cedar Pass road. Comment
  CAS-BOT-BC197941  Phlox douglasii subsp. rigida Leland S. Smith 1922-5-28 1240 Modoc Happy Camp Mt. 1889 Comment
  CAS-BOT-BC197940  Phlox douglasii subsp. rigida Fred D. Douthitt 1916-8-27 5 Modoc Jess Valley. 1828 Comment
  SEINET7073582  Phlox gracilis A. G. Vestal 1955-5-18 s.n. Modoc About 3.2 miles east of Aden on Route 87. UTM Zone 10, 666674mE, 4563618mN. Coordinate datum: NAD27. Comment
  UC71715  Phlox gracilis Mrs. M. H. Manning Apr 1903 64 Modoc near Fort Bidwell (ne Modoc County) Comment
  UC748422  Phlox gracilis Annie M. Alexander and Louise Kellogg 1946-6-12 4729 Modoc Fort Bidwell 1444 Comment
  UC879774  Phlox gracilis C. L. Hitchcock 1940-5-27 6685 Modoc 15 mi ne Alturas 1615 Comment
  CAS-BOT-BC197893  Phlox hoodii subsp. canescens Bruce Bartholomew 1991-5-25 5753 Modoc Ca. 6 km NW of Tionesta on road to Lava Beds National Monument. 1310 Comment
  CAS-BOT-BC197886  Phlox hoodii subsp. canescens Harry Dwight Dillon Ripley; Rupert Charles Barneby 1944-5-30 5987 Modoc Mesa S of Alturas. 1371 Comment
  CHSC116361  Phlox hoodii subsp. canescens J. R. Keck Jr.; Wright 1991-5-30 PDR 725210 Modoc Tionesta; Modoc National Forest. 1311 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
  CAS-BOT-BC197863  Phlox stansburyi K. Paulson; Robert Paulson 1989-5-21 115 Modoc Crowder Flat Road, Devil's Garden. 1341 Comment
  CAS-BOT-BC197866  Phlox stansburyi Bruce Bartholomew; M; M. Gilbert; L. E. Skog 1993-5-11 6487 Modoc Near SE corner of Big Sage Reservoir, 5.3 km E of Crowder Flat Road. 1580 Comment
  CAS-BOT-BC197874  Phlox stansburyi Bruce Bartholomew; Barrett Anderson 1988-5-14 4189 A Modoc 7 km S of turn off to Crowder Flats along West Side Road, W side of Goose Lake. 1410 Comment
  CAS-BOT-BC197875  Phlox stansburyi C. C. (Mrs.) Bruce 1894-6-1 91 Modoc Davis Creek. Comment
  JEPS70004  Phlox stansburyi Frances D. Payne 1932-6-8 420 Modoc 3 mi n Alturas (on road to Cedarville) Comment
  RSA469950  Phlox stansburyi var. brevifolia Christopher Davidson 1975-6-4 2589 Modoc 0.4 miles E of Hwy 395 on Hwy 299 toward Cedarville. 1380 Comment
  JEPS15390  Phoenicaulis cheiranthoides Milo S. Baker circa 1894 Modoc Forestdale Comment
  JEPS15392  Phoenicaulis cheiranthoides Franklin P. Nutting 1892-8-15 Modoc Forestdale Comment
  JEPS77518  Phoenicaulis cheiranthoides L. R. Heckard with T. I. Chuang and R. C. Bacigalupi 1978-7-19 4885 Modoc Cedar Pass; Warner Mountains, Cedar Pass 1920 Comment
  OBI48064  Phoenicaulis cheiranthoides Rhonda Riggins 1989-4-28 1660 Modoc Pencil Rd. 4.1 m N of Hwy 395 E of Alturas. 1402 Comment
  RSA520467  Phoenicaulis cheiranthoides K. Paulson, R. Paulson 1989-5-8 106 Modoc Howard s Gulch. Along Hwy 139. 1372 Comment
  UC1037295  Phoenicaulis cheiranthoides Leo Whitney 1934-5-20 1656 Modoc Modoc National Forest, Devil's Garden, northeast portion of county Devil's Garden; Modoc National Forest, Devil's Garden 1524 Comment
  CDA32619  Phragmites australis T. C. Fuller 1957-9-17 341 Modoc Near Eagleville. 0 Comment
  CAS-BOT-BC58640  Physaria occidentalis Bruce Bartholomew 1991-8-5 6067 Modoc Summit Trail between Squaw Peak and Cottenwood Lake along crest of Warner Mts. 2530 Comment
  JEPS46792  Pinus albicaulis W. L. Jepson 1918-8-7 7904 Modoc Mt. Bidwell 2468 Comment
  UCR78711  Pinus albicaulis David A. Charlet 1989-8-17 559 Modoc Warner Mtns., 1.3 km NW of Eagle Peak. 2550 Comment
  UCSB18054  Pinus monticola 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
  CAS-BOT-BC79036  Pinus ponderosa Roxana S. Ferris; Laura Lorraine 1941-8-13 10546 Modoc Patterson Ranger Station (East Creek drainage), Modoc National Forest, Warner Mountains 2164 Comment
  CAS-BOT-BC79039  Pinus ponderosa Roxana S. Ferris; Rena Duthie 1919-6-13 130 Modoc Parker Creek, Warner Mts. 2133 Comment
  CAS-BOT-BC248375  Plagiobothrys L. S. Smith 1922-7-7 1260 Modoc Modoc National Forest. High Grade Hill & Dismal Swamp 2316 Comment
  CHSC112757  Plagiobothrys cusickii Lowell Ahart; John Dittes 2013-7-24 18920 Modoc Around a man made pond, north side of Ash Creek Floodplain, 0.54 mile (air) southeast of Pilot Butte Parking Area, 1.1 miles (air) south of County Road 87, 6.8 miles (air) west of Adin, Big Valley. 1263 Comment
  UC1191843  Plagiobothrys cusickii Herbert L. Mason and Verne Grant 1947-7-12 13415 Modoc s of Alturas (near s end of w side road); Pit River Valley Comment
  UC79363  Plagiobothrys cusickii Mrs. R. M. Austin Jun 1885 Modoc Goose Lake Valley Comment
  JEPS60952  Plagiobothrys cusickii L. S. Smith c. 1918 1259 Modoc Twelve-mile Creek North Warner Mts. 2194 Comment
  UC1037248  Plagiobothrys cusickii Leo Whitney 1930-7-21 3566 Modoc Pit River Comment
  CHSC107381  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
  UC1228169  Plagiobothrys hispidulus Beecher Crampton 1960-6-17 5702 Modoc 13 mi. w. Canby (McKay Flat); McKay Flat 1280 Comment
  RSA610636  Plagiobothrys leptocladus L. C. Wheeler 1935-8-25 3917 Modoc Rim Rock Valley Reservoir, Devil s Garden 1524 Comment
  CAS-BOT-BC58795  Plagiobothrys mollis var. mollis Bruce Bartholomew; Barrett Anderson 1988-7-21 4421 Modoc S end of Whitehorse Flat Reservoir. 1340 Comment
  CAS-BOT-BC58797  Plagiobothrys mollis var. mollis Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-16 16523 Modoc Near Cloverswale Creek, 4.8 mi. NE of Canby. Comment
  CAS-BOT-BC58749  Plagiobothrys scouleri Louis Cutter Wheeler 1935-8-16 3865 Modoc Dismal Swamp, Modoc National Forest 2225 Comment
  CAS-BOT-BC58746  Plagiobothrys scouleri Alice Eastwood; John Thomas Howell 1940-6-12 8078 Modoc Between Likely and Jess Valley. Comment
  POM261461  Plagiobothrys scouleri var. hispidulus Alice Eastwood, John Thomas Howell 1940-6-12 8078 Modoc Between Likely and Jess Valley. Comment
  UC1191844  Plagiobothrys stipitatus var. micranthus Herbert L. Mason and Verne Grant 1947-7-12 13410 Modoc s of Alturas (w side of Pit River Valley); Pit River Valley Comment
  CAS-BOT-BC190750  Plantago lanceolata Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-16 16528 Modoc 4.6 mi. N of Adin. Comment
  CHSC116067  Plantago major Lowell Ahart; John Dittes 2015-7-16 20388 Modoc North edge of Ash Creek (destroyed), southeast of gravel pit (destroyed), about 1/8 mile east of parking area on east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  RSA433722  Plectritis californica Christopher Davidson 1973-5-24 2101 Modoc S of Alturas on Hwy 395 near Likely. 1311 Comment
  POM68546  Plectritis congesta subsp. brachystemon R. M. Austin 1895-05 415 Modoc Goose Lake. Comment
  UC28851  Plectritis macrocera Milo S. Baker Jun 15 1893-Jul 6 1893 Modoc California Comment
  JEPS36545  Pleiacanthus spinosus W. L. Jepson 1918-8-9 7918 Modoc Ft. Bidwell 1432 Comment
  UC1024974  Poa annua Leo Whitney 1935-7-6 3428 Modoc Crank Springs Comment
  UCD91811  Poa annua Annie M. Alexander; Louise Kellogg 1946-6-18 4791 Modoc Patterson Mill-Silver Creek Roads. 1828 Comment
  UCD90917  Poa cusickii L. Whitney 1935-5-26 3141 Modoc Ash Creek, 10 miles E of Adin. Comment
  CHSC69232  Poa cusickii subsp. cusickii James D. Jokerst 1987-5-13 2856 Modoc Radar Survey Site S of Doublehead Mtn., S of Clear Lake Reservoir, lake W and adjacent to N end of central sector. 1353 Comment
  UCD32721  Poa palustris Beecher Crampton 1954-7-7 2159 Modoc Modoc County, 2.5 miles east of Alturas, near radio station KCNO. Comment
  UCD91855  Poa pratensis J. E. Coke 1932-11-1 s.n. Modoc Modoc County. Comment
  CAS-BOT-BC247610  Poa pratensis subsp. pratensis Bruce Bartholomew; Barrett Anderson 1990-7-21 5580 Modoc Homestead Flat, ca. 2.5 km E of Patterson Ranger Station, E side of Warner Mts. 2160 Comment
  CAS-BOT-BC247611  Poa pratensis subsp. pratensis Bruce Bartholomew; Barrett Anderson 1988-7-21 4467 Modoc Vicinity of Patterson Campground, southern end of the Warner Mts. 2190 Comment
  UC1024315  Poa pratensis subsp. pratensis Annie M. Alexander and Louise Kellogg 1946-6-18 4791 Modoc Patterson Mill-Silver Creek roads 1828 Comment
  POM203053  Poa secunda J. T. Howell 1943-7-1 12340 Modoc Duncan Horse Camp Comment
  POM260300  Poa secunda C. L. Hitchcock 1940-5-27 6660 Modoc 9 miles northeast of Alturas. 1402 Comment
  RSA27942  Poa secunda A. S. Hitchcock 1940-5-28 6725 Modoc 15 miles north of Alturas 1402 Comment
  RSA534590  Poa secunda Bruce Bartholomew, B. Anderson 1989-6-2 4803 Modoc 6.4 km E of Fort Bidwell on road to Free Reservoir, NE corner of Surprise Valley. 1460 Comment
  SD96116  Poa secunda Jack L. Reveal 1976-6-2 Modoc Modoc NF near Perez 1280 Comment
  UCD92371  Poa secunda subsp. juncifolia August L. Hormay 1932-7-16 s.n. Modoc Modoc National Forest, Crowder Ranger Station. Comment
  HSC10663  Poa secunda subsp. secunda M. T. Milligan 1965-7-1 410 Modoc Plateau W of Jess Valley. 1829 Comment
  CAS-BOT-BC252524  Poa wheeleri Elmer Ivan Applegate 1932-7-31 7989 Modoc Mill Creek Meadows, Warner Mts. Comment
  CAS-BOT-BC252525  Poa wheeleri Bruce Bartholomew; Barrett Anderson 1988-7-21 4454 Modoc Vicinity of Patterson Campground, southern end of the Warner Mts. 2190 Comment
  CAS-BOT-BC179352  Pogogyne floribunda James D. Jokerst 1987-6-24 2938 Modoc CA. 2 mi. NE of Doublehead Mountain, 1.25 mi. S of Clear Lake, along dirt road ca. 2 mi. WSW of Red 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
  RSA0022125  Pogogyne floribunda H. L. Mason 1947-8-9 13474 Modoc East side of Fairchild Swamp, north of Alturas Comment
  HSC17214  Polemonium micranthum M. T. Milligan 1966-5-14 619 Modoc Plateau W of Jess Valley 1829 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
  CAS-BOT-BC197855  Polemonium occidentale Leland S. Smith 1922-7-24 1315 Modoc Rush Creek in small pasture. 1905 Comment
  HSC17207  Polemonium occidentale subsp. occidentale M. T. Milligan 1966-7-5 554 Modoc Slopes and ridges E of Jess Valley 1768 Comment
  CHSC67353  Polyctenium fremontii James D. Jokerst 1986-8-11 2763 Modoc Radar Site Survey S of Doublehead Mtn., unnamed dry lake ca. 1.2 mi WNW of Rimrock Lake. Comment
  JEPS94073  Polygonum amphibium var. emersum Vernon H. Oswald and Lowell Ahart 1998-9-8 9592 Modoc ca. 0.5 mi. n.e. Lookout Junction (County Rd. 95 at Taylor Creek n.w. of Lookout); Taylor Creek 1280 Comment
  SEINET4936529 Image available Polygonum austinae Unknown 1885-1 s.n. Modoc Goose Lake Valley [Modoc County, on the northern border of the State] Comment
  RSA599750  Polygonum aviculare Louis C. Wheeler 1935-8-28 3928 Modoc Modoc Plateau: 1.5 mi. south of Lakeshore Reservoir, Devil's Garden. 1524 Comment
  UCD99952  Polygonum aviculare subsp. depressum R. C. Bacigalupi; S. Galen Smith 1957-6-28 5984 Modoc Along Highway 299, 4.2 miles west of junction with Highway 395 at Alturas. Comment
  UC748282  Polygonum bistortoides Annie M. Alexander and Louise Kellogg 1946-7-18 5022 Modoc Benton Meadow Warner Mountains 2072 Comment
  RSA520457  Polygonum bistortoides K. Paulson, R. Paulson 1989-7-4 169 Modoc 1 miles S of Patterson Ranger Station, S end of Warner Mts. 2122 Comment
  RSA0034565  Polygonum convolvulus Louis C. Wheeler 1935-8-6 3799 Modoc Mouth Pine Creek, Warner Mountains. 1509 Comment
  CAS-BOT-BC218125  Polygonum douglasii Bruce Bartholomew; Barrett Anderson 1990-7-19 5403 Modoc Turner Creek at County Rd 90, N end of Big Valley, 6.4 km N of Lassen County border. 1230 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
  POM312535  Polygonum douglasii H. L. Mason, Verne Grant 1937-7-13 13451 Modoc On Obsidian rubble, W end of Fandango Pass, near Goose Lake, on road to Fort Bidwell Comment
  SJSU9579  Polygonum douglasii W. Savage 1979-7-4 1339 Modoc Triange, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  UC466034  Polygonum douglasii subsp. douglasii Mrs. R. M. Austin July 1890 431 Modoc Goose Lake Valley Comment
  JEPS94697  Polygonum douglasii subsp. spergulariiforme Vernon H. Oswald and Lowell Ahart 1998-9-8 9590 Modoc County Road 93 adjacent to the Rail Road at Lookout Junction nw of Lookout; County Road 93 1280 Comment
  SEINET3405928 Image available Polygonum douglasii var. johnstonii Arnold Tiehm 1984-6-30 8841 Modoc NW side of Bidwell Mt., 2.8 road miles N of 8 mile creek on the road from Lake Annie 1829 Comment
  RSA0005195  Polygonum esotericum Louis C. Wheeler 1935-8-25 3918 Modoc Devil's Garden: Rimrock Valley Reservoir. 1524 Comment
  UC1101142  Polygonum lapathifolium Herbert L. Mason 1947-8-8 13466 Modoc nw Alturas (sw margin of reservoir); Big Sage Reservoir Comment
  CAS-BOT-BC218158  Polygonum polygaloides Bruce Bartholomew 1994-5-29 6742 Modoc 7.4 km W of County Road 91 on road to Egg Lake, between Lookout and Lookout Jct. 1260 Comment
  CAS-BOT-BC218160  Polygonum polygaloides Bruce Bartholomew 1991-6-23 5883 Modoc 7.4 km NE of Crowder Flat Road on road between Dorris Brothers Reservoir and Cow Head Tank. 1520 Comment
  CAS-BOT-BC218161  Polygonum polygaloides Bruce Bartholomew 1991-7-5 5935 Modoc Cow Head Tank, ca. 6 km NW of Dorris Brothers Reservoir. 1520 Comment
  CAS-BOT-BC218172  Polygonum polygaloides subsp. confertiflorum Leland S. Smith 1922-7-7 1260 Modoc High Grade Hill and Dismal Swamp. 2316 Comment
  CHSC67588  Polygonum polygaloides subsp. confertiflorum James D. Jokerst 1990-8-2 3214 Modoc S of Hwy. 139 NW of Canby, 4.7 mi W of junction with Loveness Rd. Comment
  CAS-BOT-BC218181  Polygonum polygaloides subsp. esotericum Alice Eastwood; John Thomas Howell 1940-6-14 8209 Modoc 8 mi. NW of Canby. Comment
  CAS-BOT-BC27102  Polygonum polygaloides subsp. esotericum Louis Cutter Wheeler 1935-8-25 3918 Modoc Rim Rock Valley Reservoir, Devils Garden. Modoc National Forest 1524 Comment
  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
  CAS-BOT-BC218191  Polygonum polygaloides subsp. kelloggii Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-13 16464 Modoc 3 mi. W of summit of Fandango Pass. Comment
  CAS-BOT-BC218190  Polygonum polygaloides subsp. kelloggii James Vale; et al 1979-6-7 Modoc At summit, Parker Creek Rd. - Cedarvill Rd. Comment
  CDA15890  Polygonum punctatum J. DiTomaso 2000-7-25 s.n. Modoc Modoc Plateau; Along Eastside Canal, 1/4 mi. W of US Hwy 395 off Jones Lane, and 1/2 mi. S of southern tip of Modoc National Wildlife Refuge. 1371 Comment
  UC711901  Polygonum sawatchense subsp. oblivium Roxana S. Ferris and Laura Lorraine 1941-8-13 10536 Modoc Patterson Ranger Station (East Creek drainage) Warner Mountains, Modoc National Forest 2164 Comment
  CAS-BOT-BC420162  Polygonum sawatchense subsp. sawatchense Ira L. Wiggins; Dorothy B. Wiggins 1961-6-15 16507 Modoc 16 mi. W of Canby, along Calif. St. Highway 139 Comment
  CAS-BOT-BC218152  Polygonum spergulariiforme Bruce Bartholomew 1994-10-8 6874 Modoc 0.8 km SE of Lookout Junction on road to Lookout. 1280 Comment
  CAS-BOT-BC225104  Populus tremuloides Elmer Ivan Applegate 1932-7-31 7951 Modoc Mill Creek Meadow, Warner Mts. Comment
  CAS-BOT-BC225105  Populus tremuloides Belknap C. Goldsmith 1911-5-28 27 Modoc Sugar Hill, W slope Warner Mts. 1524 Comment
  JEPS64565  Populus trichocarpa Frances D. Payne 1931-7-5 328 Modoc s and e Alturas (Parker Creek, Warner Mountains); Warner Mountains, Parker Creek 1584 Comment
  RSA59861  Populus trichocarpa E. K. Balls 1950-5-11 14610 Modoc W of Middle Lake. Between Eagleville and Cedarville. 1433 Comment
  CAS-BOT-BC95151  Porterella carnosula Bruce Bartholomew 1991-7-6 5976 Modoc Curtis Waterhole and adjacent lava outcrops. 1310 Comment
  UC1192035  Porterella carnosula Herbert L. Mason 1947-8-12 13502 a Modoc Alturas junction of North and South Forks of Pit River (junction of North and South Forks of Pit River) Comment
  UCR101261  Porterella carnosula L. C. Wheeler 1935-8-3 3756 Modoc Warner Mtns, Rock Lake, Pine Creek 1921 Comment
  SD230197  Porterella carnosula Louis C. Wheeler 1935-8-3 3756 Modoc Warner Mountains: Rock Lake, Pine Creek. Sunny bottom of dried pool 1920 Comment
  SEINET3812421 Image available Porterella carnosula Calvin McMillan 1949-6-16 1534 Modoc March three miles S of Crowder Flat, in N central Modoc County about 7 miles S of the Oregon border Comment
  UC429  Potamogeton natans Milo S. Baker 1893-7-25 Modoc Egg Lake Comment
  UC431  Potamogeton natans Milo S. Baker 1893-6 Modoc Egg Lake Comment
  CAS-BOT-BC242230  Potamogeton nodosus Robert Folger Thorne; et al 1969-9-4 39129 Modoc N Fork of Pit River 3.4 mi. N of Alturas where crossed by Hwy 395. 1341 Comment
  UC441345  Potamogeton nodosus Milo S. Baker 1899-8-24 Modoc in Pit River (at lookout) Comment
  CAS-BOT-BC242260  Potamogeton pectinatus Verne Grant; I. Schneider 1947-7-19 8085 Modoc S of Williams ranch house, N of Likely. Comment
  SEINET5335406  Potamogeton perfoliatus M. S. Baker 1899-8-24 s.n. Modoc in Pit River at Lookout 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
  CDA42914  Potentilla biennis L. Ahart, John Dittes 2012-7-1 18307 Modoc Northeast of the old homestead, Ash Creek State Wildlife Area, about 3.2 miles (air) west of Adin, about 8.4 miles (air) northeast of Bieber, Big Valley. Comment
  CHSC116071  Potentilla biennis Lowell Ahart; John Dittes 2015-7-16 20373 Modoc South edge of Ash Creek (destroyed), southeast of the gravel pit (destroyed), about 1/8 mile east of the parking area on the east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  HSC18776  Potentilla biennis M. T. Milligan 1966-6-29 491 Modoc Slopes and ridges E of Jess Valley 1646 Comment
  JEPS47228  Potentilla breweri Frances D. Payne 1931-6-29 304 A Modoc e slope of Mt. Warren Warner Mts., e slope of Mt. Warren 2286 Comment
  JEPS44193  Potentilla fruticosa L. S. Smith 1918-8-27 1051 Modoc n slope Milk Creek 2438 Comment
  RSA164422  Potentilla glandulosa subsp. ashlandica Clare B. Hardham 1961-6-20 7881 Modoc Mt. Bidwell Dismal Swamp road 2439 Comment
  CAS-BOT-BC214776  Potentilla gracilis John Thomas Howell 1934-7-1 12306 Modoc Duncan Horse Camp. 1355 Comment
  CAS-BOT-BC214784  Potentilla gracilis Bruce Bartholomew; Barrett Anderson 1988-7-21 4473 Modoc Vicinity of Patterson Campground, southern end of the Warner Mts. 2190 Comment
  CAS-BOT-BC214785  Potentilla gracilis Bruce Bartholomew; Barrett Anderson 1989-6-3 4860 Modoc Quaking Aspen Spring, between Goose Lake and Clear Lake Reservoir. 1500 Comment
  CAS-BOT-BC214794  Potentilla gracilis E. S. Willits 1940-5-17 262 Modoc Willow Ranch. Comment
  CAS-BOT-BC214800  Potentilla newberryi John Thomas Howell 1934-7-2 12359 Modoc E side of Clear Lake. Comment
  RSA14932  Potentilla newberryi J. T. Howell 1934-7-2 12356 Modoc Nigger Ben Spring, SE end of Clear Lake. Comment
  UC545665  Potentilla newberryi John Thomas Howell 1934-7-2 12359 Modoc e side Clear Lake; e side of Clear Lake Comment
  UC545842  Potentilla newberryi L. D. Whitney 1935-7-29 3595 Modoc near w end Clear Lake; near w end of Clear Lake Comment
  CAS-BOT-BC225028  Poteridium annuum Barrett Anderson 1986-7-9 3132 Modoc Poney Flat Rd just off Hwy 299. 1435 Comment
  UCD113966  Poteridium annuum Herbert L. Mason; Verne Grant 1947-7-13 13443 Modoc Near roadside, Joseph Creek on Highway 395, north of Davis Creek (east side of Goose Lake). Comment
  JEPS96524  Prunus avium Dean W. Taylor 1992-5-8 12556 Modoc Warner Mountains, Pine Creek Canyon, ca. 1.5 air miles S of the Oregon State Line, 1554 Comment
  JEPS44933  Prunus emarginata W. L. Jepson 1918-8-7 7859 Modoc Mount Bidwell 1981 Comment
  NY849283  Prunus emarginata B. M. Bartholomew 1988-7-23 4600 Modoc Pine Creek, 1 km east of U.S. Highway 395 on the road to Lily Lake, Warner Mountains 1550 Comment
  JEPS27653  Prunus emarginata L. S. Smith 1917-1 Modoc California Comment
  CAS-BOT-BC214824  Prunus subcordata A. D. Borden 1911-5-20 s.n. Modoc Sugar Hill, NE of Davis Creek. Comment
  CAS-BOT-BC214825  Prunus subcordata John Thomas Howell 1934-6-12 12012 Modoc Between Davis Creek and Plum Valley. Comment
  UC1075726  Prunus subcordata Robert J. Weatherby 1955-7-8 1630 Modoc 6 mi N of Ft. Bidwell; Warner Mountains 1645 Comment
  UC1281130  Prunus subcordata H. E. McMinn 1931-5-23 2480 Modoc Warner Mountains Comment
  UC62231  Prunus subcordata Mrs. M. H. Manning Sept. 1904 1 Modoc Alturas Comment
  CAS-BOT-BC225003  Prunus virginiana var. demissa Leland S. Smith 1917-7-10 94 Modoc Granger Mill Camp. 1905 Comment
  CAS-BOT-BC225006  Prunus virginiana var. demissa P. Monnet 1913-7-7 873 Modoc Warner's Range. 2438 Comment
  CAS-BOT-BC225017  Prunus virginiana var. demissa Elmer Ivan Applegate 1932-8-5 8162 Modoc Cedar Pass, Warner Mts. Comment
  JEPS114909  Prunus virginiana var. demissa Lowell Ahart, John Dittes 2008-8-26 15338 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
  JEPS44714  Prunus virginiana var. demissa Frances D. Payne 1929-6-21 12 Modoc s and e of Alturas (Warner Mountains, Parker Creek); Warner Mountains, Parker Creek 1584 Comment
  JEPS44918  Prunus virginiana var. demissa W. L. Jepson 1918-8-9 7908 Modoc North Fork Bidwell Creek 1828 Comment
  RSA520372  Prunus virginiana var. demissa Bruce Bartholomew, B. Anderson 1989-6-1 4733 Modoc Shake Spring. NW side of Shaffer Mtn. 1500 Comment
  SJSU9683  Prunus virginiana var. demissa W. Savage 1979-7-26 1573 Modoc Long Meadow Unit, Devils Garden Ranger District, Modoc National Forest 1584 Comment
  UC1128448  Prunus virginiana var. demissa R. C. Wilson 1933-6-21 49 Modoc Stone Coal Valley Creek, Modoc National Forest Stone Coal Valley Creek; Modoc National Forest, Stone Coal Valley Creek 1402 Comment
  RSA59525  Prunus virginiana var. melanocarpa E. K. Balls 1950-5-20 14815 Modoc S Fork Pit River. About S Fork Public Camp. Likely to Jess Valley. 1433 Comment
  CAS-BOT-BC227479  Pseudoroegneria spicata Gregg M. Riegel 1980-6-30 790 Modoc Unspecified 2415 Comment
  JEPS126493  Pseudoroegneria spicata Jennifer Mueller July 18-25, 2016 CA 370 -232 Modoc Take county road 27 up Granger Canyon. Comment
  UCD91519  Pseudoroegneria spicata L. Whitney; E. Wilson 1934-6-6 s.n. Modoc Modoc National Forest. 1219 Comment
  CAS-BOT-BC252501  Pseudoroegneria spicata subsp. spicata Leland S. Smith 1924-6-15 1403 Modoc Lavas W of Mud Lake. 1371 Comment
  JEPS73939  Pseudoroegneria spicata subsp. spicata Frances D. Payne 1932-6-27 648 Modoc s and e of Alturas (Warner Mountains, Parker Creek); Warner Mountains, Parker Creek 1584 Comment
  CAS-BOT-BC95232  Pseudostellaria jamesiana Barrett Anderson 1986-7-9 3150 Modoc 299 just W of Cedar Pass, Warner Mts. 1920 Comment
  UC190609  Psilocarphus brevissimus var. brevissimus M. F. Gilman 632 Modoc Comment
  JEPS118265  Psilocarphus oregonus Lowell Ahart, John Dittes 2011-6-22 17552 Modoc About 50 yards east of the road, about 100 yards northeast of the Pilot Butte Parking Lot, north edge of Ash Creek Floodplain, 1.1 miles (air) south of County Road 87, 7.7 miles (air) west of Aden [Adin], 10 miles (air) east of Lookout, Big Valley 1264 Comment
  POM312513  Psilocarphus oregonus H. L. Mason, Verne Grant 1947-7-13 13450 Modoc West end of Fandango Pass, near Goose Lake on road to Fort Bidwell. Comment
  CAS-BOT-BC30197  Pteridium aquilinum var. pubescens Bruce Bartholomew 1994-5-28 6715 Modoc E side of Sugar Hill, W side of Warner Mts. 1840 Comment
  RSA467855  Pterospora andromedea J. P. Smith, J. O. Sawyer, Smith 1973-8-9 7255 Modoc Around the shore of Blue Lake, Modoc National Forest. 1829 Comment
  UCD32739  Puccinellia distans Beecher Crampton 1954-7-8 2192 Modoc Modoc County, 3 miles west of Alturas, along US highway 299. Comment
  UCD32744  Puccinellia nuttalliana Beecher Crampton 1954-7-8 2197 Modoc Modoc County, 3 miles west of Alturas, along US highway 299. Comment
  UCD93437  Puccinellia nuttalliana L. G. Goar 1938-1 s.n. Modoc Modoc County. Comment
  NY848522  Purshia tridentata A. D. Borden 1911-6-15 s.n. Modoc South slope of Davis Creek 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
  CAS-BOT-BC218235  Purshia tridentata var. tridentata F. Angwin 1946-4-25 Modoc Adin. 1371 Comment
  UC71558  Purshia tridentata var. tridentata Mrs. M. H. Manning 1902-9-15 3 Modoc near Fort Bidwell (ne Modoc County) Comment
  UCSB16509  Purshia tridentata var. tridentata 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
  JEPS58817  Pyrola dentata Milo S. Baker 1893-7-20 Modoc Near Forestdale Comment
  CAS-BOT-BC95695  Pyrola picta Bruce Bartholomew; Barrett Anderson 1988-7-21 4408 Modoc Whitehorse Mts., 11 km N of Day on the road to Whitehorse Flat Reservoir. 1340 Comment
  UC73564  Pyrola picta Milo S. Baker Modoc Foresdale Comment
  CAS-BOT-BC50394  Pyrrocoma carthamoides var. cusickii Bruce Bartholomew; Barrett Anderson 1990-7-20 5461 Modoc 4 km N of Buck Creek Ranger Station at turn off to Del Prat Spring, W side of Warner Mts. 1900 Comment
  CHSC114014  Pyrrocoma carthamoides var. cusickii L. P. Janeway 2014-7-7 11441 Modoc Warner Mountains. East side of crest of Warner Mountains 2.3 air-km east of Cedar Pass; along Road 43N07 1.4 road-km east of Stough Reservoir. 2000 Comment
  JEPS5940  Pyrrocoma carthamoides var. cusickii Frances D. Payne 1932-7-22 730 Modoc s and e of Alturas; Warner Mountains, Parker Creek 1584 Comment
  HSC67877  Pyrrocoma hirta J. P. Smith, J. O. Sawyer 1973-8-8 7249 Modoc Along summit trail to Patterson Guard Station, 1 mi. S of trail to N Emerson Lake 2561 Comment
  CHSC112981  Pyrrocoma lanceolata var. lanceolata Lowell Ahart; John Dittes 2013-7-25 18959 Modoc Along the north-south fence, south edge of Ash Creek Floodplain, northwest of Patterson Homestead, east of Elkins Lane, 1.0 mile (air) south of County Road 87, 3.14 miles (air) west of Adin, Big Valley. 1267 Comment
  UC86535  Pyrrocoma racemosa var. paniculata Mrs. R. M. Austin Aug 1886 Modoc Goose Lake Comment
  RSA504607  Quercus kelloggii Bruce Bartholomew, B. Anderson 1988-6-23 4262 Modoc 1.8 km WSW of Day on County Road 94. 1170 Comment
  UC5622  Quercus kelloggii Milo S. Baker 1893-7-10 Modoc Comment
  CAS-BOT-BC379404  Ranunculus alismifolius John Thomas Howell 1934-7-14 12111 Modoc Warner Mountains, near Lost Lake 2438 Comment
  UC9361  Ranunculus alismifolius var. alismifolius Milo S. Baker 1893-6-18 Modoc Comment
  NY492813  Ranunculus alismifolius var. hartwegii L. C. Wheeler 1935-8-4 3774 Modoc Dismal Swamp, Twenty-Mile Creek, Warner Mountains 2225.0 Comment
  CAS-BOT-BC379167  Ranunculus aquatilis var. aquatilis Clare R. Wheeler; Gladys L. Smith 1979-5-27 1100 Modoc Red Mountain, BLM access road, 10 mi E of Hwy 101, N of Leggett 91 Comment
  UC9367  Ranunculus aquatilis var. capillaceus M. S. Baker and Frank Nutting 1894-6-4 Modoc Little Hot Spring Valley Comment
  JEPS55048  Ranunculus aquatilis var. capillaceus Milo S. Baker 1893-6 Modoc Comment
  JEPS60660  Ranunculus aquatilis var. capillaceus Frances D. Payne 1932-7-14 681 Modoc s and e Alturas; Warner Mountains, Parker Creek Canyon 1706 Comment
  CHSC99772  Ranunculus aquatilis var. diffusus Lowell Ahart; John Dittes 2008-6-22 15040 Modoc In shallow water, along a natural drainage, about 150 yards north of the road levee, in Big Valley, about 2.1 miles (air) northeast of the Headquarters at Ash Creek State Wildlife Area, about 5.0 miles (air) northeast of Bieber. 1262 Comment
  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
  POM260011  Ranunculus aquatilis var. harrisii C. L. Hitchcock 1940-5-28 6721 Modoc 15 miles north of Alturas, (near Surprise). 1402 Comment
  POM312417  Ranunculus cymbalaria var. saximontanus H. L. Mason 1947-8-15 13552 Modoc Mouth of Crane Creek on Willow Ranch, east side of Goose Lake. Comment
  UC748222  Ranunculus eschscholtzii var. oxynotus Annie M. Alexander and Louise Kellogg 1946-7-30 5098 Modoc Eagle Peak Warner Mountains Comment
  UC71611  Ranunculus flabellaris Mrs. M. H. Manning 1903-5-8 126 Modoc swamp near Alkali Lake (ne Modoc Co.) Comment
  CAS-BOT-BC217242  Ranunculus flammula Bruce Bartholomew 1991-7-6 5978 Modoc Curtis Waterhole and adjacent lava outcrops. 1310 Comment
  SEINET3161109  Ranunculus glaberrimus E. K. Balls 1950-5-10 15968 Modoc Cedar Pass; on way from Alturas to Cedarville 1829 Comment
  UC1191128  Ranunculus glaberrimus William P. Dasmann 1947-4-19 32 Modoc Saddle Blanket Flat area 1371 Comment
  UC72004  Ranunculus glaberrimus Milo S. Baker Modoc Big Valley Comment
  OBI48153  Ranunculus macounii Rhonda Riggins 1989-4-28 1672 Modoc 0.3 mi W West Warner Rd on Parker Crk rd, W side Warner Mts. T41N, R14E, sec 27 Comment
  CAS-BOT-BC217179  Ranunculus occidentalis Bruce Bartholomew; Barrett Anderson 1988-5-12 4096 Modoc White Horse. 1340 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
  CHSC118068  Ranunculus occidentalis var. occidentalis L. P. Janeway 2016-5-16 12005 Modoc Modoc Plateau. Devils Garden area; juntion of Road 46N02 at Road 47N09/73/181; 2.0 air-km east of Green Spring Reservoir. 1585 Comment
  CAS-BOT-BC217211  Ranunculus occidentalis var. ultramontanus Annie Montague Alexander; L. Kellogg 1946-6-7 4672 Modoc 0.5 mi. E of Cedarville. 1453 Comment
  UC72750  Ranunculus orthorhynchus var. orthorhynchus Milo S. Baker Modoc Forestdale 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
  JEPS127296  Ranunculus sardous Lowell Ahart, John Dittes 2016-7-14 21195 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
  JEPS55164  Ranunculus sceleratus Mary H. Manning 1903-5-8 126 Modoc Comment
  CAS-BOT-BC217159  Ranunculus uncinatus Francis Dorris Payne 1929-7-7 62 Modoc Pine Creek Basin, Warner Mts. 2316 Comment
  POM180605  Rhamnus californica J. T. Howell 1930-10-25 5698 Modoc Deep shade on bank of Arroyo Seco river, Santa Lucia Mts Comment
  UC420725  Rhamnus rubra Franklin P. Nutting 1920-8-1 Modoc Big Valley Mts. Comment
  UCR270949  Ribes John F. Emmel 2000-8-3 1681 Modoc Modoc Plateau, Northern Warner Mountains, north edge of Dismal Swamp 2180 Comment
  CAS-BOT-BC225852  Ribes aureum Bruce Bartholomew; Barrett Anderson 1989-4-28 4651 Modoc 8.8 km N of State Highway 299 on road to Raker & Thomas Reservoir. 1470 Comment
  CAS-BOT-BC225860  Ribes aureum L. A. M. Black 1894-5-1 73 Modoc Willow Ranch. Comment
  CAS-BOT-BC225861  Ribes aureum Roxana Stinchfield Ferris 1951-9-14 12465 Modoc E face of Warner Mtns. at California line between Adel, Oregon and Fort Bidwell. 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
  UC71821  Ribes aureum Mrs. M. H. Manning 1903-4 95 Modoc valley near Fort Bidwell Comment
  UC465779  Ribes aureum M. F. Gilman 527 Modoc Comment
  CAS-BOT-BC225872  Ribes cereum C. L. Hitchcock 1940-5-27 6695 Modoc 15 mi. NE of Alturas. 1615 Comment
  CAS-BOT-BC225878  Ribes cereum Annie Montague Alexander; L. Kellogg 1946-6-8 4693 Modoc Road from Eagleville to Patterson Mill. 2164 Comment
  CAS-BOT-BC225890  Ribes cereum Bruce Bartholomew; Barrett Anderson 1989-4-28 4652 Modoc 8.8 km N of State Highway 299 on road to Raker & Thomas Reservoir. 1470 Comment
  CAS-BOT-BC225891  Ribes cereum G. Schoolcraft 1988-7-12 1825 Modoc E slope at lower part of N Deep Creek. 1554 Comment
  CAS-BOT-BC248354  Ribes cereum B. Bartholomew; H. Sun 2002-6-24 8837 Modoc Ca. 1 km NW of Bald Mt., E side of the Warner Mountains 2290 Comment
  RSA454979  Ribes cereum Christopher Davidson 1975-6-4 2620 Modoc 2.5 mi W of Cedarville on Hwy 299. South sloping hillside of rocky basalt and red clay. 1677 Comment
  SBBG2754  Ribes cereum H. and M. Dearing 1939-6-8 3606 Modoc Lily Lake, Warner Mtns 2133 Comment
  UC748480  Ribes cereum Annie M. Alexander and Louise Kellogg 1946-6-27 4849 Modoc 2 mi by road Dismal Swamp (top of ridge, Highgrade); Warner Mountains 2377 Comment
  UC1523789  Ribes roezlii Lisa Janio 1981-7-9 Modoc n Adin 1402 Comment
  RSA0024591  Ribes roezlii var. cruentum Bruce Bartholomew, M. Gilbert, L. Skog 1993-5-12 6523 Modoc S side of Whitehorse Reservoir. 1300 Comment
  RSA0024592  Ribes roezlii var. cruentum Bruce Bartholomew, B. Anderson 1988-5-12 4106 Modoc S side of Egg Lake. 1300 Comment
  CAS-BOT-BC225914  Ribes velutinum R. M. Austin 1894-6-1 s.n. Modoc Willow Creek. Comment
  CAS-BOT-BC225915  Ribes velutinum Alice Eastwood; John Thomas Howell 1940-6-12 8061 Modoc Between Likely and Jess Valley. Comment
  RSA59538  Ribes velutinum E. K. Balls 1950-5-20 14802 Modoc Above Mill Creek Falls Public Camp on way from likely to Clear Lake 1738 Comment
  CAS-BOT-BC225943  Ribes viscosissimum Bruce Bartholomew 1989-7-14 4978 Modoc Vicinity of Upper Rush Creek Camp Ground. 1580 Comment
  SBBG18085  Ribes viscosissimum C. B. Hardham 1961-6-20 7856 Modoc Cane Lake Comment
  SFV1626  Ribes viscosissimum I. L. Wiggins, D. B. Wiggins 1961-6-14 16482 Modoc Warner Mountains Warner Mountains. 2.8 miles south of Lassen Creek Campground, along road to Davis Creek. 1900 Comment
  UC858629 Image available Ribes viscosissimum C. L. Hitchcock 1940-5-27 6694 Modoc 15 mi ne Alturas 1615 Comment
  SEINET5339892  Ribes viscosissimum var. hallii M. J. Williams 1984-6-29 84- 71 -3 Modoc Lily Lake, west side of the Warner Mountains 2073 Comment
  CAS-BOT-BC58408  Rorippa austriaca M. K. Bellue 1933-6-1 Modoc Alturas. Comment
  CAS-BOT-BC58409  Rorippa austriaca W. Ball 1937-6-27 Modoc Corporation Ranch. Comment
  CDA3845  Rorippa austriaca T. C. Fuller 1958-8-12 2081 Modoc Corporation Ranch, Likely. 0 Comment
  CHSC67354  Rorippa columbiae James D. Jokerst 1986-8-10 2755 Modoc Radar Site Survey S of Doublehead Mtn., Rimrock Lake. 1341 Comment
  CAS-BOT-BC58381  Rorippa curvisiliqua Bruce Bartholomew 1991-6-21 5814 Modoc N side of Mud Lake, 5.8 km S of Forest Service road 73 on road to Rim Rock Valley. 1570 Comment
  CAS-BOT-BC58415  Rorippa curvisiliqua Barrett Anderson 1986-7-9 3179 Modoc Stough Reservoir Rd. just E of Cedar Pass near Stough Reservoir. 1965 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
  SEINET11261958  Rorippa curvisiliqua Margaret J. Williams 1984-6-30 54- 80 -3 Modoc Near a reservoir 6.8 mi W of Cedarville-Gerlach road.; 0 1981 Comment
  CHSC117254  Rorippa curvisiliqua var. orientalis Lowell Ahart; John Dittes 2016-7-14 21163 Modoc West side of a new pond, south of Ash Creek Canal (now filled in), south of Ash Creek, Ash Creek Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. 1273 Comment
  UC1191532  Rorippa palustris Verne Grant and Irving Schneider 1947-7-19 8077 Modoc Pit Valley s Alturas (along Southern Pacific right-of-way near East Canal, Williams Ranch); Pit Valley s of Alturas Comment
  CAS-BOT-BC497201  Rosa John H. Hatton 1911-6-17 121 Modoc Modoc Forest, near Pitt River Bridge 1219 Comment
  CHSC111412  Rosa woodsii subsp. ultramontana Lowell Ahart; John Dittes 2012-7-10 18318 Modoc Along a deep drainage, northeast of the old homestead, Ash Creek State Wildlife Area, about 3.4 miles (air) west of Adin, about 8.2 miles (air) northeast of Bieber, Bid Balley. 1266 Comment
  HSC59871  Rosa woodsii subsp. ultramontana J. P. Smith, J. O. Sawyer 1973-8-9 7254 Modoc Blue Lake, Modoc National Forest. 1829 Comment
  JEPS119968  Rosa woodsii subsp. ultramontana Lowell Ahart, John Dittes 2012-7-10 18318 Modoc Ash Creek State Wildlife Area, about 3.4 miles (air) west of Adin, about 8.2 miles (air) northeast of Bieber, Big Valley. Comment
  POM312889  Rosa woodsii subsp. ultramontana Verne Grant, Irving Schneider 1947-7-18 8045 Modoc E side Canal, 5 miles N of Bayley's bridge, S of Alturas. 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-BC218249  Rosa woodsii var. ultramontana Bruce Bartholomew 1989-7-14 4930 Modoc Along Rush Creek between Lower and Upper Rush Creek Campgrounds. 1580 Comment
  CAS-BOT-BC218256  Rosa woodsii var. ultramontana Alice Eastwood; John Thomas Howell 1940-6-12 8064 Modoc Between Likely and Jess Valley. Comment
  CAS-BOT-BC218264  Rosa woodsii var. ultramontana Robert J. Weatherby 1955-7-8 1627 Modoc 5 mi. N of Ft. Bidwell. 1783 Comment
  JEPS114900  Rosa woodsii var. ultramontana Lowell Ahart, John Dittes 2008-8-26 15348 Modoc SE side of Rose Creek, 750 ft SW of confluence of Rose Creek and Pit River, on the NW side of unnamed road, 2660 ft E of intersection with County Road 85a, 9.3 mi (air) NE of Lookout 1276 Comment
  JEPS45631  Rosa woodsii var. ultramontana W. L. Jepson 1918-8-6 7847 Modoc Fandango Pass Surprise Valley (fields and at summit) 1447 Comment
  JEPS46228  Rosa woodsii var. ultramontana F. H. Frost 1925-7-11 32 Modoc 2 mi above Cedarville; Cedar Canyon campsite Comment
  UC555644  Rosa woodsii var. ultramontana F. H. Frost 1925-7-11 32 Modoc Cedar Canyon camp site, Warner Mountains Comment
  UC73077  Rosa woodsii var. ultramontana Milo S. Baker 1893-1 Modoc Forestdale Comment
  HSC17607  Rumex californicus M. T. Milligan 1966-7-3 550 Modoc Slopes and ridges E of Jess Valley 1829 Comment
  HSC17597  Rumex crispus M. T. Milligan 1964-7-1 105 Modoc Rattlesnake Butte Rd. at Pit River. 1372 Comment
  CAS-BOT-BC433491  Rumex fueginus Herbert L. Mason; Verne Grant 1947-7-11 13362 Modoc On Highway 395, 5 miles south of Alturas. Comment
  CAS-BOT-BC211343  Rumex lacustris Bruce Bartholomew; Barrett Anderson 1990-7-21 5573 Modoc N Barber Creek, road from Surprise Valley to Patterson Ranger Station, E side of Warner Mts. 1710 Comment
  RSA59805  Rumex lacustris E. K. Balls 1950-5-17 14731 Modoc South shore, Clear Lake Bird Refuge 1381 Comment
  JEPS117297  Rumex maritimus Lowell Ahart, John Dittes 2010-8-31 17126 Modoc Edge of a pond, about 400 yards west of Elkins Lane and the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley 1267 Comment
  HSC64418  Rumex occidentalis J. P. Smith, J. O. Sawyer 1973-8-9 7257 Modoc Blue Lake, Modoc National Forest 1829 Comment
  CAS-BOT-BC211314  Rumex salicifolius Bruce Bartholomew; Barrett Anderson 1990-7-19 5439 Modoc Sweagert Flat. 1860 Comment
  CAS-BOT-BC211315  Rumex salicifolius Bruce Bartholomew; Barrett Anderson 1990-7-20 5541 Modoc Buck Creek between Del Pratt Spring and Howard Flat, W side of Warner Mts. 1990 Comment
  JEPS127297  Rumex triangulivalvis Lowell Ahart, John Dittes 2016-7-14 21193 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
  UC935799  Sagittaria cuneata Malcolm A. Nobs, S. Galen Smith and Herbert L. Mason 1949-5-29 768 Modoc e Kelly Hot Springs; e of Kelly Hot Springs Comment
  CAS-BOT-BC225120  Salix boothii Annie Montague Alexander; L. Kellogg 1946-6-25 4826 Modoc Dismal Swamp, N end of Warner Mountains. 2255 Comment
  CAS-BOT-BC225121  Salix boothii Annie Montague Alexander; L. Kellogg 1946-6-25 4827 Modoc Dismal Swamp, N end of Warner Mountains. 2255 Comment
  CAS-BOT-BC225753  Salix boothii Francis Dorris Payne 1932-7-21 728 A Modoc S of Mosquito Lake, E side of Mt. Warnen (Buck Mt.), Warner Mts., E of Alturas. Comment
  POM184887  Salix boothii Frances D. Payne 1932-7-21 729 Modoc Marsh S of Mosquito Lake. E side of Mt. Warren (Buck Mt). Warner Mtns. E of Alturas. Comment
  RSA612550  Salix boothii Louis C. Wheeler 1935-8-2 3748 Modoc Twelve Mile Creek. Warner Mtns. 2256 Comment
  CAS-BOT-BC225756  Salix eastwoodiae Francis Dorris Payne 1931-6-25 275 Modoc Pine Creek Basin, Warner Mts., about 33 km SE of Alturas. 2280 Comment
  UC481847  Salix eastwoodiae Frances D. Payne 1931-7-8 177 a Modoc ca. 33 km. se Alturas; Warner Mts., Pine Creek Basin 2280 Comment
  UC481863  Salix eastwoodiae Frances D. Payne 1931-6-25 275 Modoc ca. 33 km. se Alturas; Warner Mts., Pine Creek Basin 2280 Comment
  CAS-BOT-BC225764  Salix exigua A. D. Borden 1911-5-20 s.n. Modoc E side of Goose Lake Comment
  CAS-BOT-BC225765  Salix exigua Elmer Ivan Applegate 1897-6-2 3030 Modoc Upper Pitt River valley S of Alturas. Comment
  CAS-BOT-BC225773  Salix exigua Elmer Ivan Applegate 1932-8-4 8157 Modoc Bank of Pitt River, 8 mi. E of Likely. Comment
  POM218951  Salix exigua H. P. Bracelin, Frances D. Payne 1931-6-30 494 Modoc Parker Creek, 20 km E of Alturas. Meadow S of Payne Ranch. 1560 Comment
  SBBG58877  Salix exigua Mrs. H. P. Bracelin 1931-6-30 488 Modoc Parker Crk, 20 km E of Alturas, meadow S of Payne Ranch 1560 Comment
  UC472125  Salix exigua Mrs. M. H. Manning 1903-4-23 78 Modoc near Fort Bidwell; ne Modoc Co. Comment
  NY187671  Salix lasiandra N. F. Bracelin 1931-6-30 497 Modoc Parker Creek, 20 km east of Alturas 1560 Comment
  UC481940  Salix lasiandra subsp. lasiandra Mrs. H. P. Bracelin and Miss Frances D. Payne 1931-6-30 490 Modoc 20 km. e. Alturas (meadow s. of Payne Ranch); Parker Creek 1560 Comment
  CHSC111411  Salix lasiolepis Lowell Ahart; John Dittes 2012-7-10 18316 Modoc Along a deep drainage, northeast of the old homestead, Ash Creek State Wildlife Area about 3.4 miles (air) west of Adin, about 8.2 miles (air) northeast of Bieber, Big Valley. 1266 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
  UC481850  Salix lemmonii Frances D. Payne 1931-6-25 278 Modoc ca. 33 km. s.e. Alturas; Warner Mts., Pine Creek Basin 2280 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
  SEINET10417376  Salix lucida subsp. lasiandra E. K. Balls 1950-5-20 14794 Modoc South Fork Pit River, South Fork Public Camp. 1433 Comment
  SD908  Salix lutea Mrs. H. P. Bracelin, Miss Frances D. Payne 1931-6-30 499 Modoc Perker creek, 20 km east of Alturas, in meadow south of Payne Ranch 1559 Comment
  UC481942  Salix melanopsis Mrs. H. P. Bracelin and Miss Frances D. Payne 1931-6-30 491 Modoc 20 km. e. Alturas (meadow s. of Payne Ranch, Parker Creek); Parker Creek 1560 Comment
  UC481957  Salix melanopsis Mrs. H. P. Bracelin and Miss Frances D. Payne 1931-6-30 493 Modoc 20 km. e. Alturas (meadow s. of Payne Ranch, Parker Creek); Parker Creek Comment
  CAS-BOT-BC229831  Salix scouleriana Francis Dorris Payne 1934-8-1 778 Modoc Pine Creek Basin, Warner Mts. 2316 Comment
  UC710871  Salix scouleriana C. L. Hitchcock 1940-5-27 6698 Modoc 15 mi. n.e. Alturas 1615 Comment
  CAS-BOT-BC95562  Salsola tragus Bruce Bartholomew 1994-10-9 6885 Modoc 11.0 km S of Eagleville, W side of Surprise Valley. 1370 Comment
  JEPS59866  Salsola tragus W. L. Jepson 1918-8-10 7938 Modoc Alturas 1371 Comment
  CHSC63402  Salvia aethiopis Vernon H. Oswald; Wesley Wilson 1994-7-9 6370 Modoc Forest Service Rd. 2 at Pine Creek, ca. 1 mi E of Hwy. 395, just S of the Oregon border. 1524 Comment
  UC2043250  Salvia aethiopis Barbara Ertter 1995-7-1 14459 Modoc Highway 395 south of New Pine Creek on Oregon border, at junction of County Road 44. Comment
  SEINET12765235  Salvia aethiopis Barbara Ertter 1995-7-1 14459 Modoc Hwy395 south of New Pine Creek on Oregon border, at jct of Country Rd. 44, weedy fields and roadside W of hwy.; 0 1463 Comment
  SEINET14190209 Image available Salvia aethiopis P. C. Martinelli, T. C. Fuller 1974-7-19 s.n. Modoc Alturas area Comment
  SEINET8916634  Salvia aethiopis B. Ertter 1995-7-1 14459 Modoc Along Hwy 395 S of New Pine Creek on OR border, at junction with County Road 44. 1463 Comment
  SFV3216  Salvia dorrii I. L. Wiggins, D. B. Wiggins 1961-6-12 16436 Modoc Warner Mountains 4 miles east of summit of Cedar Pass on Cedar Pass Road. 1550 Comment
  CAS-BOT-BC179240  Salvia dorrii var. dorrii B. Bartholomew 1993-6-13 6616 Modoc Near the Nevada border, E of Eagleville, Surprise Valley. 1510 Comment
  CAS-BOT-BC179241  Salvia dorrii var. dorrii B. Bartholomew 1990-6-17 5324 Modoc E side of Surprise Valley, 9.6 km E of Eagleville at the Nevada border. 1580 Comment
  CAS-BOT-BC184104  Salvia dorrii var. pilosa Elmer I. Applegate 1935-6-12 9533 Modoc Lava Beds National Monument. Three Sisters Comment
  CAS-BOT-BC184105  Salvia dorrii var. pilosa Elmer I. Applegate 1935-6-5 9343 Modoc Lava Beds National Monument. Captain Jacks Ice Cave Comment
  CAS-BOT-BC238784  Sambucus nigra subsp. caerulea Mrs. C. C. Bruce 1894-7-1 57 Modoc Davis Creek Comment
  CAS-BOT-BC238785  Sambucus nigra subsp. caerulea John Thomas Howell 1934-6-11 11943 Modoc Parker Creek, Warner Mts. 1584 Comment
  HSC80928  Sambucus nigra subsp. caerulea G. M. Riegel 1979-8-26 686 Modoc S Warner Mtns. 1670 Comment
  RSA610631  Sambucus racemosa L. C. Wheeler 1935-8-14 3852 Modoc Lily Lake, Pine Creek, Warner Mountains. 2073 Comment
  HSC27404  Sanguisorba annua D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19495 Modoc At Big Valley summit about 6 mi. W of Adin on Hwy. 299 Comment
  UC466699  Sanguisorba annua W. P. Taylor and H. C. Bryant 1910-6-26 Modoc Parker Cr.; Warner Mountains, Parker Cr. 1676 Comment
  HSC28841  Sanicula graveolens D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-22 19319 Modoc Soup Springs Campground Comment
  JEPS1006  Sanicula graveolens L. S. Smith 1918-1 1124 Modoc Warner Mountains, Deep Creek Deep Creek; Warner Mountains, Deep Creek 1889 Comment
  CAS-BOT-BC95240  Saponaria officinalis Verne Grant; I. Schneider 1947-8-24 8256 Modoc S end of Jess Valley, Warner Mts. Comment
  CAS-BOT-BC497341  Saxifraga cespitosa G. Schoolcraft 1989-7-16 1968 Modoc Warner Mts. near Patterson Lake 2804 Comment
  UCD126456  Schedonorus arundinaceus L. Whitney 1935-7-7 3389 Modoc Howard Gulch, 4 miles NW of Canby. Comment
  CAS-BOT-BC245133  Schoenoplectus acutus var. occidentalis R. M. Austin 1895-8-1 487 Modoc Goose Lake. Comment
  UC1587094  Schoenoplectus americanus G. Schoolcraft 1991-7-24 2188 Modoc Leonard Hot Spring NE of Middle Alkali Lake 1386 Comment
  RSA210790  Schoenoplectus pungens Robert F. Thorne, James Henrickson, C. W. Tilforth 1969-9-4 39072 Modoc South end of Goose Lake 1433 Comment
  UC1100876  Scirpus americanus Herbert L. Mason 1947-8-11 13499 Modoc on Highway 81 w margin Lower Lake (near boundary between Lassen and Modoc counties); w margin Lower Lake Comment
  HSC48002  Scirpus congdonii D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19462 Modoc Upper Rush Creek Campground about 8 mi. N of Adin on Hwy. 299 Comment
  CAS-BOT-BC245117  Scirpus microcarpus Bruce Bartholomew; Barrett Anderson 1988-7-21 4604 Modoc Above Upper Rush Creek Campground ca. 4 km E of State Highway 299 between Adin and Canby. 1580 Comment
  CAS-BOT-BC245119  Scirpus microcarpus Roxana Stinchfield Ferris; R. Duthie 1919-6-17 175 Modoc Parker Creek near Modoc Nat. Forest Boundary. Comment
  CAS-BOT-BC245122  Scirpus microcarpus Alice Eastwood; John Thomas Howell 1940-6-13 8183 Modoc E side of Cedar Pass. Comment
  HSC26004  Scirpus microcarpus D. H. Norris, S. Dowty, Thomas W. Nelson 1971-6-23 19360 Modoc Along the S Fork of the Pit River, ~6 mi. E of Likely. Comment
  RSA504649  Scirpus microcarpus Bruce Bartholomew, B. Anderson 1988-7-21 4604 Modoc Above Upper Rush Creek Campground ca. 4 km. E of State Highway 299 between Adin and Canby. 1580 Comment
  RSA59882  Scirpus nevadensis E. K. Balls 1950-5-13 14668 Modoc Goose Lake, east shore about Willow Ranch. 1463 Comment
  UCD48759  Scirpus nevadensis Herbert L. Mason; Verne Grant 1947-7-12 13436 Modoc Corporation Ranch Headquarters, north of Likely. Comment
  POM14466  Scrophularia californica subsp. floribunda Baker 1893-7-8 s.n. Modoc [No location information provided.] Comment
  HSC21135  Scrophularia desertorum M. T. Milligan 1965-6-30 393 Modoc Slopes and ridges E of Jess Valley. 1768 Comment
  CAS-BOT-BC197836  Scrophularia lanceolata Annie Montague Alexander; L. Kellogg 1946-6-18 4806 Modoc Base of lava bluff facing Lower Lake. Comment
  UC70385  Scutellaria antirrhinoides Milo S. Baker 1893-1 Modoc Egg Lake Comment
  CAS-BOT-BC179227  Scutellaria nana B. Bartholomew; Barrett Anderson 1988-6-25 4388 Modoc 5.6 km NW of State Highway 299 on County Road 73. 1500 Comment
  CAS-BOT-BC179229  Scutellaria nana Elmer Ivan Applegate 1897-6-2 890 Modoc Near Alturas. 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
  SBBG103613  Scutellaria nana B. Bartholomew, B. Anderson 1988-6-25 4388 Modoc County Rd 73, 5.6 km NW of State Hwy 299 1500 Comment
  HSC81211  Sedum lanceolatum G. M. Riegel 1980-8-12 1041 Modoc South Warner Mtns. 1739 Comment
  UC748120  Sedum lanceolatum Annie M. Alexander and Louise Kellogg 1946-7-11 4969 A Modoc Mesa West Eight Mile Creek, Mesa West (Eight Mile Creek, nw corner of county) Comment
  JEPS26920  Sedum stenopetalum Wayne Roderick May 1961 966 Modoc Cedar Pass Warner Mtns, Cedar Pass (Warner Mtns on s side of hiway just e of summit) 1889 Comment
  CAS-BOT-BC95614  Sedum stenopetalum subsp. stenopetalum Annie Montague Alexander; L. Kellogg 1946-8-8 5123 Modoc Patterson Lake Trail, Warner Mts. Comment
  RSA164402  Sedum stenopetalum subsp. stenopetalum Clare B. Hardham 1961-6-18 7558 Modoc East of Cedar Pass. 1829 Comment
  CAS-BOT-BC50341  Senecio aronicoides Bruce Bartholomew; Barrett Anderson 1988-6-24 4364 Modoc Vicinity of Patterson Campground, southern end of the Warner Mts.. 2190 Comment
  RSA152713  Senecio eremophilus I. L. Wiggins, Dorothy B. Wiggins 1961-6-12 16370 Modoc At junction of Cedar Pass road with California Highway 299, 5.5 miles N of Alturas. Comment
  CAS-BOT-BC50280  Senecio fremontii var. fremontii Elmer Ivan Applegate 1932-8-1 8048 Modoc Eastern slope of Warren Peak near summit, Warner Mountains Comment
  UC748428  Senecio fremontii var. occidentalis Annie M. Alexander and Louise Kellogg 1946-7-29 5084 Modoc Head Eagle Creek Warner Mountains Comment
  CAS-BOT-BC50283  Senecio hydrophiloides P. Monnet 1913-7-1 900 Modoc Warner Range. 2133 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
  UC71605  Senecio hydrophilus Mrs. M. H. Manning 1903-8-25 325 Modoc Sessions Swamp Sessions Swamp (north-eastern Modoc County) Comment
  CAS-BOT-BC50261  Senecio integerrimus var. exaltatus James Vale 1978-5-2 Modoc Boles Creek at Road 136 (E of S end of Clear Lake Reservoir). Comment
  CAS-BOT-BC50286  Senecio integerrimus var. exaltatus Bruce Bartholomew 1992-5-15 6295 Modoc Along Sand Creek in hills on the E side of Surprize Valley, E of N end of Middle Alkali Lake. 1620 Comment
  CAS-BOT-BC50288  Senecio integerrimus var. exaltatus Betty J. Hammerly 1941-6-20 36 Modoc Along banks of Clear Lake, S end of Warner Mts. Comment
  CAS-BOT-BC50300  Senecio integerrimus var. exaltatus Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-11 6489 Modoc Near SE corner of Big Sage Reservoir, 5.3 km E of Crowder Flat Road. 1580 Comment
  JEPS37286  Senecio integerrimus var. exaltatus N. T. Mirov 1929-6-22 Modoc near Fort Bidwell (e slope of Warner Mountains); Warner Mountains 2286 Comment
  RSA0124946  Senecio integerrimus var. exaltatus Peter H. Raven 1962-5-29 17880 Modoc 3.4 miles east of Cedar Pass, Warner Mountains. Comment
  RSA0124947  Senecio integerrimus var. exaltatus E. K. Balls 1950-5-12 14655 Modoc Hillsides north of Bucks Creek Ranger Station, Modoc National Forest, east of Goose Lake. 1646 Comment
  JEPS5942  Senecio serra var. serra Frances D. Payne 1931-7-4 318 Modoc s and e of Alturas; Warner Mountains, Parker Creek 1584 Comment
  RSA0013301  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
  RSA0013302  Senecio serra var. serra L. C. Wheeler 1935-8-4 3782 Modoc Dry Lake, Pine Creek, Warner Mts. 2104 Comment
  CAS-BOT-BC50272  Senecio triangularis Barrett Anderson 1986-7-10 3195 Modoc West Warner Rd at North Fork of Pine Creek. 1935 Comment
  CAS-BOT-BC54276  Senecio triangularis Elmer Ivan Applegate 1932-7-31 7978 Modoc Mill Creek Meadow, Warner Mountains Comment
  CAS-BOT-BC54279  Senecio triangularis Annie Montague Alexander; L. Kellogg 1946-7-29 5081 Modoc Eagle Peak. 2438 Comment
  NY850194  Shepherdia argentea B. M. Bartholomew 1989-4-29 4702 Modoc Sand Creek, east side of Surprise Valley, ca. 10 km east of Cedarville 1400 Comment
  RSA0011802  Shepherdia argentea E. K. Balls 1950-5-11 14612 Modoc West of Middle Lake, between Eagleville and Cedarville. 1433 Comment
  CAS-BOT-BC225036  Sibbaldia procumbens Elmer Ivan Applegate 1923-8-1 8023 Modoc High summit of Warner Mtns. just S of Warren Peak. Comment
  UC748066  Sibbaldia procumbens Annie M. Alexander and Louise Kellogg 1946-7-14 5069 Modoc Horse Mountain; Warner Mountains Comment
  CAS-BOT-BC498676  Sidalcea asprella subsp. asprella Mrs. R. M. Austin; Bruce 1898-7-1 22064 Modoc Lake shore Comment
  UCD116666  Sidalcea glaucescens Jack Major 1966-6-24 s.n. Modoc above Goose Lake, west side of Fandango Pass. 1645 Comment
  SBBG101312  Sidalcea oregana R. R. Halse 1991-7-28 4246 Modoc St Hwy 139, 13 mi NW of its jct with St Hwy 299 1469 Comment
  CAS-BOT-BC179077  Sidalcea oregana subsp. oregana Roxana Stinchfield Ferris; R. Duthie 1919-6-13 59 Modoc Modoc Nat. Forest Boundary. Comment
  UC18887  Sidalcea oregana subsp. oregana Milo S. Baker Jul 11 1893-Jan 1 1900 Modoc Comment
  CAS-BOT-BC179057  Sidalcea oregana subsp. spicata Annie Montague Alexander; L. Kellogg 1946-7-18 5024 Modoc Benton Meadow. 2072 Comment
  CAS-BOT-BC191146  Sidalcea oregana subsp. spicata Leland S. Smith 1922-7-13 1265 Modoc Crowder Flat Ranger Station pasture. 1463 Comment
  CAS-BOT-BC95243  Silene douglasii var. douglasii Roxana Stinchfield Ferris; L. Lorraine 1941-8-14 10610 Modoc Summit of Fandango Pass. 1889 Comment
  CAS-BOT-BC95248  Silene douglasii var. douglasii Elmer Ivan Applegate 1932-8-1 7999 Modoc W slope of Warner Mts. S of Warren Peak. Comment
  HSC80712  Silene douglasii var. douglasii G. M. Riegel 1980-7-21 912 Modoc S Warner Mtns. 1670 Comment
  CDA3459  Silene latifolia subsp. alba T. C. Fuller 1975-9-4 20097 Modoc West side of Highway 139, 2 miles south of the plant quarantine station. 0 Comment
  CDA3460  Silene latifolia subsp. alba T. C. Fuller 1975-9-4 20097 Modoc West side of Highway 139, 2 miles south of the plant quarantine station. 0 Comment
  UC465655  Silene lemmonii Franklin P. Nutting Modoc near Forestdale; near Forestdale Comment
  UC465656  Silene lemmonii Franklin P. Nutting Modoc near Forestdale; near Forestdale Comment
  CHSC113092  Silene nuda Lowell Ahart; John Dittes 2013-7-25 18954 Modoc On the north side of a deep drainage, dry meadow, 30 yards south of the east-west fence, south edge of Ash Creek Floodplain, northeast of Patterson Homestead, east of Elkins Lane, 1.0 mile (air) south of County Road 87, 3.14 miles (air) west of Adin, Big Valley. 1267 Comment
  HSC80710  Silene oregana G. M. Riegel 1980-8-12 1043 Modoc S Warner Mtns. 1670 Comment
  CAS-BOT-BC95043  Sisymbrium altissimum James D. Jokerst 1983-7-27 1903 Modoc Near Signal Butte. 1340 Comment
  CAS-BOT-BC95046  Sisymbrium altissimum Bruce Bartholomew; Barrett Anderson 1988-6-23 4258 Modoc 1.8 km WSW of Day on County Road 94. 1170 Comment
  JEPS117364  Sisymbrium altissimum Lowell Ahart, John Dittes 2010-8-30 17078 Modoc Along the fence, south edge of the meadow, Ash Creek State Wildlife Area, 2,300 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley 1267 Comment
  UCD115532  Sisymbrium altissimum J. M. Tucker 1950-7-25 1968 Modoc beside Highway 139, 26.4 miles southwest of Tule Lake. 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
  JEPS62134  Smilacina racemosa Leland S. Smith 1918-6-22 953 Modoc Lily Lake Modoc National Forest, High Grade District (near stream) Comment
  UC1191773  Solanum dulcamara Verne Grant, Irving Schneider 1947-7-19 8076 Modoc s of Alturas (along Southern Pacific right-of-way near East Canal, in Pit Valley, Williams Ranch); Pit Valley, Williams Ranch Comment
  UCD126920  Solanum dulcamara Verne Grant; Irving Schneider 1947-7-19 8076 Modoc Williams ranch; along Souhern Pacific right-of-way near East Canal, in Pit Valley south of Alturas. Comment
  CHSC100361  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
  JEPS12132  Solanum triflorum F. H. Frost 1925-7-20 92 Modoc 2 mi above Cedarville (Cedar Camp); Cedar Camp Comment
  UC527397  Solanum triflorum C. B. Wolf 1931-9-5 2399 Modoc 3 mi above e base Warner Mountains (on the grade from Lake City-Fort Bidwell Road- to Davis Creek) 1676 Comment
  UC26262  Solanum umbelliferum M. S. Baker and Frank Nutting 1894-6-8 Modoc Little Hot Spring Valley Comment
  UC36231  Solidago elongata Mrs. R. M. Austin Aug 1894 Modoc Goose Lake Valley Goose Lake Valley (Northern California) Comment
  POM312332  Solidago spectabilis H. L. Mason 1947-8-9 13459 Modoc Ingalls Swamp, north of Big Sage Reservoir, northwest of Alturas. Comment
  CAS-BOT-BC54291  Sonchus asper subsp. asper Bruce Bartholomew 1994-5-28 6710 Modoc 8.5 km E of Likely on road to Jess Valley along the S Fork of the Pit River. 1620 Comment
  UC46334  Sorbus scopulina var. cascadensis Frances D. Payne 1929-7-7 52 Modoc 2 mi sw Mt. Warren (Pine Creek Basin); Warner Mountains 2133 Comment
  JEPS119852  Sparganium emersum Lowell Ahart, John Dittes 2012-7-10 18326 Modoc Ash Creek State Wildlife Area, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley. Comment
  CAS-BOT-BC242252  Sparganium emersum Herbert Louis Mason; Verne Grant 1947-7-12 13433 Modoc Corporation Ranch Headquarters, N of Likely. Comment
  UC673575  Spiranthes romanzoffiana F. H. Frost 1925-7-24 131 Modoc Jess Valley Warner Mts. Comment
  HSC46344  Spirodela polyrhiza J. P. Smith, J. O. Sawyer 1973-8-9 7282 Modoc Blue Lake, Modoc National Forest 1829 Comment
  JEPS117296  Stachys palustris subsp. pilosa Lowell Ahart, John Dittes 2010-8-31 17127 Modoc Edge of a pond, about 400 yards west of Elkins Lane and the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley 1267 Comment
  UC1191922  Stachys palustris subsp. pilosa Verne Grant, Irving Schneider 1947-7-22 8146 Modoc about 1 mi n Surprise station (on Highway 395); North Fork of Pit River Comment
  CAS-BOT-BC179212  Stachys pilosa Annie Montague Alexander; L. Kellogg 1946-7-12 4984 Modoc Twelve Mile Creek, NE corner of county. Comment
  CHSC111096  Stachys rigida var. rigida Lowell Ahart; John Dittes 2012-7-12 18362 Modoc North edge of Ash Creek, south of the gravel pit, about 1/8 mile east of the parking area on the east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  POM312369  Stellaria longipes Verne Grant, Irving Schneider 1947-8-24 8252 Modoc Jess Valley, Warner Mts. Comment
  SEINET5337329  Stellaria longipes M. H. Manning 144 Modoc Near Forb Bidwell Comment
  CAS-BOT-BC95295  Stellaria longipes var. longipes Verne Grant; I. Schneider 1947-8-24 8252 Modoc Jess Valley. Comment
  UC71584  Stellaria longipes var. longipes Mrs. M. H. Manning 1903-5 144 Modoc near Fort Bidwell (ne Modoc County) Comment
  CAS-BOT-BC248363  Stenotus acaulis B. Bartholomew; H. Sun 2002-6-24 8846 Modoc E of Bald Mt., on the E side of the Warner Mountains 2170 Comment
  POM260354  Stenotus acaulis C. L. Hitchcock 1940-5-27 6668 Modoc 15 miles northeast of Alturas. 1616 Comment
  JEPS29181  Stenotus stenophyllus Lauramay T. Dempster 1961-6-18 1687 Modoc Peak just south of Cedar Pass Comment
  CAS-BOT-BC54273  Stephanomeria tenuifolia Francis Dorris Payne 1932-7-25 749 Modoc Parker Creek. 1584 Comment
  HSC6236  Stephanomeria tenuifolia M. T. Milligan 1966-7-26 580 Modoc N end Jess Valley 1616 Comment
  SEINET10893284  Stipa lettermanii Louis C. Wheeler 1935-8-3 Wheeler 3752 Modoc Dry semi-sunny timbered E slope; Dismal Swamp, Twenty Mile Creek, Warner Mts. 2225 Comment
  CAS-BOT-BC95049  Streptanthella longirostris Bruce Bartholomew 1991-5-24 5702 Modoc Surprise Valley, 6.6 km E of Eagleville. 1390 Comment
  UC748373  Streptanthus cordatus Annie M. Alexander and Louise Kellogg 1946-6-22 4815 Modoc 3 mi above Fort Bidwell; Bidwell Creek Comment
  CHSC109214  Streptanthus cordatus var. cordatus L. P. Janeway; B. Castro 2012-7-24 10968 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
  CAS-BOT-BC242258  Stuckenia pectinata Bruce Bartholomew 1989-8-10 5029 Modoc Little Hot Spring Valley, 3.2 km NW of Day. 1070 Comment
  CAS-BOT-BC242261  Stuckenia pectinata Verne Grant; I. Schneider 1947-7-19 8085 Modoc S of Williams ranch house, N of Likely. Comment
  JEPS90830  Suaeda calceoliformis Dean W. Taylor 1989-8-4 10434 Modoc 2.5 mi e of Eagleville (between Middle Lake and Lower Lake, Modoc Plateau, Surprise Valley); Modoc Plateau, Surprise Valley 1341 Comment
  CAS-BOT-BC180099  Swertia albicaulis var. albicaulis K. Paulson; Robert Paulson 1988-5-22 9 Modoc Fletcher Creek, Devil's Garden. 1402 Comment
  CAS-BOT-BC180087  Swertia radiata Bruce Bartholomew; Barrett Anderson 1988-7-22 4518 Modoc NE side of Patterson Meadow, southern end of the Warner Mts.. 2180 Comment
  CAS-BOT-BC180089  Swertia radiata A. D. Borden 1911-7-19 Modoc Top of ridge head of Soup Creek. 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
  RSA0065577  Symphoricarpos oreophilus Marion P. Harthill 1972-6-17 847 Modoc Cedar Pass. 1920 Comment
  CAS-BOT-BC95183  Symphoricarpos rotundifolius var. rotundifolius A. D. Borden 1911-8-9 Modoc Mall place S side of Shields Creek. Comment
  CAS-BOT-BC95186  Symphoricarpos rotundifolius var. rotundifolius Alice Eastwood; John Thomas Howell 1940-6-13 8188 Modoc West side of Cedar Pass. Comment
  CAS-BOT-BC95189  Symphoricarpos rotundifolius var. rotundifolius Annie M. Alexander; Miss Louise Kellogg 1946-7-3 4898 Modoc Bidwell Creek Canyon, 7 miles west of Fort Bidwell, north bank of road. 1444 Comment
  JEPS12666  Symphoricarpos rotundifolius var. rotundifolius W. L. Jepson 1918-8-6 7833 Modoc Davis Creek; Sugar Hill 1524 Comment
  UC619252  Symphoricarpos rotundifolius var. rotundifolius J. and H. W. Grinnell 1938-6-14 1102 Modoc above Goose Lake (slope of Sugar Hill); Sugar Hill 1524 Comment
  HSC5053  Symphyotrichum foliaceum M. S. Baker 1898-1 Modoc Forestdale Comment
  UC71698  Symphyotrichum foliaceum Mrs. M. H. Manning 1903-8-25 272 Modoc Mt. Bidwell, ne Modoc Co Mt. Bidwell Comment
  UC71841  Symphyotrichum foliaceum Mrs. M. H. Manning 1903-8-27 478 Modoc Mt. Bidwell, ne Modoc Co Mt. Bidwell Comment
  CAS-BOT-BC15154  Symphyotrichum foliaceum var. parryi Bruce Bartholomew 1989-8-11 5087 Modoc Vicinity of Patterson Ranger Station, S end of Warner Mountains. 2160 Comment
  JEPS89332  Symphyotrichum frondosum Dean W. Taylor 1987-8-25 9281 Modoc near the outlet dam Clear Lake Reservoir; Modoc Plateau, Clear Lake Reservoir Quad. 1371 Comment
  JEPS40832  Symphyotrichum spathulatum L. S. Smith 1918-8-27 1053 Modoc below Squaw Peak ((Milk Creek)); Modoc National Forest, Milk Creek 2438 Comment
  JEPS5930  Symphyotrichum spathulatum Frances D. Payne 1932-7-9 765 Modoc s and e of, (Parker Creek) Alturas; Warner Mountains, Parker Creek 1584 Comment
  UC1192206  Symphyotrichum spathulatum Herbert L. Mason 1947-8-8 13454 Modoc nw of, (Ingalls Swamp, n of big Sage Reservoir) Alturas; Ingalls Sweamp Comment
  CAS-BOT-BC232354  Synthyris missurica M. Vasey 1990-6-28 9015 Modoc Trail to summit above N Emerson Lake. 2651 Comment
  CAS-BOT-BC232366  Synthyris missurica Bruce Bartholomew 1990-6-16 5274 Modoc Between roadhead and Pine Creek Basin, W side of Warner Mountains. 2170 Comment
  HSC80743  Synthyris missurica G. M. Riegel 1979-9-1 735 Modoc 1829 Comment
  JEPS27314  Synthyris missurica Frances D. Payne 1931-6-29 287 Modoc e slope of Mt. Warren, s of Mosquito Lake; Warner Mountains 2286 Comment
  HSC6253  Taraxacum officinale M. T. Milligan 1965-6-23 287 Modoc N end Jess Valley 1616 Comment
  UC107656  Taraxia subacaulis Mrs. R. M. Austin July 1894 Modoc Goose Lake Valley Comment
  UC70443  Taraxia subacaulis Milo S. Baker Modoc Forestdale Comment
  JEPS31731  Taraxia tanacetifolia L. S. Smith 1918-5-16 926 Modoc w of Alturas (Centerville Road); Modoc Forest 1524 Comment
  UC748136  Tetradymia canescens Annie M. Alexander and Louise Kellogg 1946-7-7 4940 Modoc Eight Mile Creek, ne corner of county Eight Mile Creek 1752 Comment
  CAS-BOT-BC54244  Tetradymia spinosa Bruce Bartholomew; Barrett Anderson 1989-6-2 4819 Modoc Sand dunes at the SE corder of Upper Alkali Lake, E side of Surprise Valley. 1400 Comment
  HSC1962  Thalictrum fendleri M. T. Milligan 1966-7-3 549 Modoc Slopes and ridges E of Jess Valley 1829 Comment
  JEPS86339  Thalictrum fendleri Jack and Betty Guggolz 1988-6-28 954 Modoc w Jenkins Spring Comment
  NY496039  Thalictrum fendleri K. Paulson 1989-6-21 146 Modoc Pine Creek Basin, west side of the Warner Mountains 2109.2 Comment
  NY496092  Thalictrum fendleri B. M. Bartholomew 1988-6-24 4319 Modoc Lily Lake; west side of the Warner Mountains. Fort Bidwell 15' Quad. 2130 Comment
  CAS-BOT-BC95074  Thelypodium flexuosum Bruce Bartholomew 1991-5-24 5696 Modoc Surprise Valley, 5.1 km E of Eagleville. 1370 Comment
  JEPS54067  Thelypodium howellii subsp. howellii Baker and Nutting 1894-6-29 Modoc Big Valley Comment
  NY33852  Thermopsis argentata M. S. Baker 06 1894 s.n. Modoc Forestdale Comment
  CAS-BOT-BC181798  Thermopsis californica var. argentata Leland S. Smith 1920-6-17 5 A Modoc N end of Egg Lake. 1310 Comment
  CHSC110815  Thermopsis californica var. argentata Dean Wm. Taylor 2013-6-7 21369 Modoc 11 miles North of Lookout; along Forest Road 42N03 about 1.2 road miles west of County Road 91(Lookout to Tulelake). 1350 Comment
  SEINET7419288  Thermopsis gracilis M. S. Baker 1900-1 s.n. Modoc Near Egg Lake. Comment
  UC54938  Thermopsis macrophylla var. argentata Milo S. Baker 1899-8-14 Modoc Forestdale (Egg Flat) 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
  CAS-BOT-BC58774  Tiquilia nuttallii Bruce Bartholomew 1990-6-17 5317 Modoc Surprise Valley, 6.8 km W of Eagleville. 1390 Comment
  JEPS63189  Trichostema laxum W. I. Follett 1942-9-7 137 Modoc Lost River, E branch Comment
  CAS-BOT-BC179197  Trichostema oblongum Bruce Bartholomew 1991-7-6 5987 Modoc Sand Flat on Loveness Logging Road. 1370 Comment
  CAS-BOT-BC179199  Trichostema oblongum Bruce Bartholomew; Barrett Anderson 1988-6-25 4400 A Modoc Ryan Canyon, N of Adin. 1390 Comment
  HSC14462  Trichostema oblongum D. E. Anderson 1962-8-6 2326 Modoc Along Rush Creek paralleling Hwy. 299, 2 mi. E of Adin Comment
  NY716995  Trifolium beckwithii B. M. Bartholomew 1990-7-20 5522 Modoc Tamarack Flat, east side of Warner Mountains 2150 Comment
  CAS-BOT-BC181782  Trifolium cyathiferum Francis Dorris Payne 1931-6-18 191 Modoc Parker Creek. 1584 Comment
  UC16471  Trifolium cyathiferum Mrs. R. M. Austin July, 1894 Modoc Goose Lake Comment
  JEPS17729  Trifolium kingii var. productum Rimo Bacigalupi with G. T. Robbins 1955-7-20 5391 Modoc 3.3 mi e Patterson Ranger Station; Warner Mtns, southern end, Modoc Ntional Forest 2225 Comment
  NY802659  Trifolium kingii var. productum B. M. Bartholomew 1988-7-23 4582 Modoc Dismal Swamp, Warner Mountains 2180 Comment
  UC711816  Trifolium kingii var. productum Roxana S. Ferris and Laura Lorraine 1941-8-14 10579 Modoc 3 mi from Patterson Ranger Station (on rd to Eagleville); Warner Mtns, Modoc National Forest Comment
  JEPS66046  Trifolium kingii var. productum L. S. Smith 1917-7-18 81 Modoc Soldier Creek Warner Mtns 1981 Comment
  HSC15131  Trifolium longipes M. T. Milligan 1966-6-14 457 Modoc N end of Jess Valley 1616 Comment
  JEPS126545  Trifolium longipes subsp. hansenii Lowell Ahart, John Dittes 2016-6-6 20957 Modoc About 100 yards east of the Parking Area, about one mile south of the intersection of County Road 87 and Access Road to Pilot Butte Parking Area, 3.8 miles (air) east of Lookout, 7.5 miles (air) west of Adin, Ash Creek State Wildlife Area. Comment
  JEPS33201  Trifolium longipes var. hansenii Frances D. Payne 1931-6-25 249 Modoc 2 mi sw Warren Mtns (Pine Creek Basin) 2316 Comment
  CAS-BOT-BC181732  Trifolium macrocephalum Leland S. Smith 1917-6-10 35 Modoc Jess Valley. 1524 Comment
  CAS-BOT-BC181738  Trifolium macrocephalum Mrs. H. C. Cantelow 1941-5-23 Modoc 2 miles W of Adin Summit, east of Bieber, Hwy. 299 Comment
  RSA0014359  Trifolium macrocephalum Joan Stewart 2005-6-6 2488 Modoc Stowe Reservoir, Warner Mountains. Comment
  JEPS124385  Trifolium pratense Lowell Ahart, John Dittes 2015-7-16 20365 -B Modoc Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. Comment
  CAS-BOT-BC181762  Trifolium productum Elmer Ivan Applegate 1932-8-2 8099 Modoc Mill Creek Meadow, W slope of Warner Mts. Comment
  CAS-BOT-BC181768  Trifolium productum Annie Montague Alexander; L. Kellogg 1946-6-25 4821 Modoc Dismal Swamp, north end of Warner Mountains 2255 Comment
  CAS-BOT-BC181771  Trifolium productum Bruce Bartholomew 1991-8-6 6087 Modoc S Emerson Trail at stream between S Fork of Emerson Creek and Bearcamp Trail, Warner Mts. 2130 Comment
  CAS-BOT-BC180157  Trifolium wormskioldii Alice Eastwood; John Thomas Howell 1940-6-12 8038 Modoc Likely. Comment
  CHSC116083  Trifolium wormskioldii Lowell Ahart; John Dittes 2015-7-16 20367 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
  CHSC117233  Trifolium wormskioldii Lowell Ahart; John Dittes 2016-7-16 21242 Modoc At 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
  RSA281688  Trifolium wormskioldii S. O. Mattoon 1979-7-14 72 Modoc Pine Creek Canyon, 3 road miles east of Highway 395 at New Pine Creek, Warner Mts. 1677 Comment
  CAS-BOT-BC245034  Triglochin concinna var. debilis Bruce Bartholomew 1991-5-24 5719 Modoc Surprise Valley, vicinity of Surprise Valley Mineral Springs, 8 km E of Cedarville. 1400 Comment
  SEINET7073587  Triphysaria eriantha A. G. Vestal 1955-5-18 s.n. Modoc Modoc lava on Route 139. Modoc National Forest. UTM Zone 10, 646374mE, 4627855mN. Coordinate datum: NAD27. Comment
  UC1024936  Trisetum canescens Leo Whitney 1935-7-1 3339 Modoc near Hackamore (ca 15 mi nw of Canby); Modoc National Forest, Spaulding's Butte 1463 Comment
  CAS-BOT-BC242156  Triteleia hyacinthina Isabel T. Kelly Summer, 1930 15 Modoc Buck Creek; west slope of Warner Range. Comment
  JEPS86360  Triteleia hyacinthina Jack and Betty Guggolz 1988-6-30 967 Modoc Comment
  CAS-BOT-BC242195  Triteleia ixioides subsp. anilina Bruce Bartholomew 1995-6-24 7033 Modoc 0.3 km W of turn off to Dusty's Waterhole from Forest Service Road 42N23. 1320 Comment
  CAS-BOT-BC58295  Turritis glabra Bruce Bartholomew; Barrett Anderson 1990-7-20 5466 Modoc 4 km N of Buck Creek Ranger Station at turn off to Del Prat Spring, W side of Warner Mts. 1900 Comment
  RSA603739  Utricularia macrorhiza Louis C. Wheeler 1935-9-29 4012 Modoc Two miles south of Alturas 1357 Comment
  UCD99484  Vaccaria hispanica W. A. Harvey 1954-6-4 s.n. Modoc just north of Lake City, Surprise Valley. 1371 Comment
  JEPS9210  Valeriana californica Frances D. Payne 1929-7-1 63 Modoc Pine Creek Basin 2133 Comment
  RSA503245  Valeriana capitata subsp. californica Bruce Bartholomew, B. Anderson 1988-7-22 4519 Modoc NE side of Patterson Meadow, southern end of the Warner Mountains. 2180 Comment
  JEPS103191  Valeriana occidentalis G. Schoolcraft 2000-7-17 2914 Modoc N Warner Mountains 1981 Comment
  CDA39366  Veratrum californicum T. C. Fuller 1958-7-8 2025 Modoc Davis Creek. 0 Comment
  HSC81155  Veratrum californicum var. californicum G. M. Riegel 1980-8-14 1061 Modoc S Warner Mtns. 2100 Comment
  CAS-BOT-BC245477  Veronica americana Robert Folger Thorne; C. W. Tilforth 1969-9-5 39163 Modoc Clear Lake. 1767 Comment
  HSC21191  Veronica americana M. T. Milligan 1965-6-23 296 Modoc N end of Jess Valley 1616 Comment
  HSC21182  Veronica americana M. T. Milligan 1964-6-27 94 Modoc Old mill, Lassen Creek 1829 Comment
  HSC80733  Veronica americana G. M. Riegel 1980-7-9 860 Modoc S Warner Mtns. 2100 Comment
  JEPS17640  Veronica americana Rimo Bacigalupi with G. Thomas Robbins 1955-7-19 5381 Modoc no far from Soup Spring Meadow (southern Warner Mountains, Modoc National Forest); southern Warner Mountains, Modoc National Forest 2072 Comment
  CAS-BOT-BC245457  Veronica peregrina subsp. xalapensis Annie Montague Alexander; L. Kellogg 1946-6-14 4757 Modoc Silver Creek branch of Patterson Mill road. 1828 Comment
  CAS-BOT-BC245459  Veronica peregrina subsp. xalapensis Verne Grant; I. Schneider 1947-7-18 8048 Modoc Eastside Canal, 5 mi. N of Bayley's bridge, S of Alturas. Comment
  CAS-BOT-BC245443  Veronica serpyllifolia subsp. humifusa C. C. (Mrs.) Bruce 1894-4-1 102 Modoc Davis Creek. Comment
  UC1037217  Veronica serpyllifolia subsp. humifusa Leo Whitney 1934-5-13 1574 Modoc Crowder Flat, northern Modoc National Forest Crowder Flat; Modoc National Forest, Crowder Flat 1524 Comment
  HSC21180  Veronica wormskjoldii M. T. Milligan 1964-6-25 83 Modoc Upper Lassen Creek 1829 Comment
  RSA0011233  Vicia americana R. M. Austin, Bruce 1898-07 s.n. Modoc Coyote Flat. Comment
  CAS-BOT-BC180143  Vicia americana var. americana Leland S. Smith 1924-5-31 1354 Modoc South side Egg Lake. Comment
  JEPS66134  Vicia americana var. americana Leland S. Smith 1918-7-7 979 Modoc Jess Valley; Modoc Forest Comment
  UC1191598  Vicia americana var. americana Herbert L. Mason and Verne Grant 1947-7-21 8121 Modoc n of Alturas (North Fork of Pit River, by bridge on Highway 395); North Fork of Pit River Comment
  CAS-BOT-BC180146  Vicia americana var. americana Fred. P. Cronemiller 1920-6-10 3 Modoc McKenzie Spring. 1310 Comment
  JEPS66171  Vicia cracca Mrs. R. M. Austin and Bruce Jul 1898 2220 Modoc Goose Lake fields Comment
  SEINET195666 Image available Viola adunca Annie M. Alexander, Louise Kellogg 1946-6-25 4820 Modoc Dismal Swamp north end of the Warner Mountains 2256 Comment
  UC748236  Viola adunca Annie M. Alexander and Louise Kellogg 1946-6-25 4820 Modoc Dismal Swamp, n end of Warner Mountains Dismal Swamp; Warner Mountains 2255 Comment
  UC1761403  Viola beckwithii E. K. Balls 1950-5-11 14626 Modoc 8.1 mi NE of Fort Bidwell (above Cowhead Lake, along 8-Mile Creek) 1463 Comment
  RSA488033  Viola beckwithii Bruce Bartholomew, B. Anderson 1988-5-12 4113 Modoc S side of Egg Lake. 1300 Comment
  UC1762496  Viola beckwithii Milo S. Baker 1949-4-30 12097 Modoc Fort Bidwell, back of schoolhouse Comment
  UC19243  Viola beckwithii Milo S. Baker 1893-6 Modoc Comment
  UC19244  Viola beckwithii Mrs. R. M. Austin and Bruce 1898-4-1 2256 Modoc Goose Lake Valey Comment
  CAS-BOT-BC245342  Viola macloskeyi Bruce Bartholomew 1992-5-15 6308 Modoc Upper end of Pleasants Canyon, W side of Warner Mountains. 1930 Comment
  CHSC107338  Viola praemorsa subsp. linguifolia Lowell Ahart; John Dittes 2011-6-21 17513 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
  SBBG15270  Viola praemorsa subsp. praemorsa H. and M. Dearing 1939-6-7 3584 Modoc Cedar Pass, E of Alturas 1828 Comment
  UCSB17251  Viola purpurea Haller, John 1961-6-25 Modoc Eagleville- Likely road, 0.5 mi W of crest of Warner Mountains, about 3 rd. E of Patterson Ranger Station; 2286 Comment
  RSA164420  Viola purpurea subsp. mesophyta Clare B. Hardham 1961-6-19 7809 Modoc Davis Creek. 2134 Comment
  UC19333  Viola purpurea subsp. quercetorum Milo S. Baker 1895-6-25 Modoc Big Valley Mountains Comment
  CAS-BOT-BC245310  Viola purpurea subsp. venosa Elmer Ivan Applegate 1932-8-1 8052 Modoc N slope of Warrne Peak, Warner Mts. 2743 Comment
  CAS-BOT-BC245311  Viola purpurea subsp. venosa Bruce Bartholomew; Barrett Anderson 1988-5-12 4090 Modoc 4 km NW of White Horse. 1350 Comment
  CAS-BOT-BC245288  Viola sheltonii Bruce Bartholomew 1995-6-1 6927 Modoc 3.0 km E of Day between Day and Lookout on County Road 94. 1370 Comment
  CAS-BOT-BC245292  Viola sheltonii Bruce Bartholomew 1994-7-3 6845 Modoc Soldier Creek, N of Stough Reservoir, E side of Warner Mountains. 1980 Comment
  JEPS88013  Viola sororia subsp. affinis Nir L. Gil-ad 1990-6-6 317 Modoc 8.6 mi. n.e. intersection of Rte. 395 & County Rd. 118 (1.5 mi. n.w. of intersection of Forest Rd. 30 & Plum Valley Rd., w. of Plum Valley Rd., s.w. bank of small stream, Modoc Nat'l Forest); Warner Mts., Modoc Nat'l Forest Comment
  JEPS6025  Viola sororia subsp. affinis Frances D. Payne 1935-7-19 794 Modoc s and e of Alturus (mouth of Dry Creek, tributary of Parker Creek); Warner Mountains, Dry Creek Comment
  CAS-BOT-BC252531  Vulpia microstachys var. microstachys John Thomas Howell 1934-7-1 12298 Modoc Duncan Horse Camp. 1355 Comment
  CAS-BOT-BC54205  Wyethia mollis Annie Montague Alexander; L. Kellogg 1946-6-12 4734 Modoc 2 mi S of Fort Bidwell. 1444 Comment
  CAS-BOT-BC54207  Wyethia mollis Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16411 Modoc Cedar Pass. 1921 Comment
  CAS-BOT-BC54210  Wyethia mollis John Thomas Howell 1934-6-11 11946 Modoc Parker Creek, Warner Mountains 1584 Comment
  SEINET7073586  Wyethia mollis A. G. Vestal 1955-5-18 s.n. Modoc About 2.1 miles east of McArthur. UTM Zone 10, 709219mE, 4577206mN. Coordinate datum: NAD27. Comment
  CAS-BOT-BC54213  Wyethia mollis P. Monnet 1913-7-7 858 Modoc Warner's Range. 2286 Comment
  UC36790  Wyethia mollis Milo S. Baker 1893-6-22 Modoc pine woods Comment
  CAS-BOT-BC54218  Xanthium strumarium Bruce Bartholomew 1989-8-11 5060 Modoc Along W side of Goose Lake, 3.5 km S of the Oregon border on National Forest Road 48. 1430 Comment
  CAS-BOT-BC242290  Zannichellia palustris Robert Folger Thorne; C. W. Tilforth 1969-9-5 39178 Modoc South Fork of Pit River at bridge 3.8 mi. E of Likely. 1386 Comment
  CAS-BOT-BC242291  Zannichellia palustris Louis Cutter Wheeler 1935-8-22 3905 Modoc South Mt. Reservoir, Devil's Garden. 1524 Comment
  UC1099974  Zannichellia palustris Verne Grant and Irving Schneider 1947-7-19 8067 Modoc s. Alturas (Corporation ranch, irrigation ditch s. of s. loop rd.) Comment
  CAS-BOT-BC242054  Zigadenus paniculatus Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16409 Modoc Summit of Cedar Pass, along Cedar Pass road to Cedarville. 1921 Comment
  CAS-BOT-BC242055  Zigadenus paniculatus Gordon H. True 1964-6-3 1464 Modoc N fork of Pit River between Alturas and Goose Lake. 1463 Comment
  CAS-BOT-BC242063  Zigadenus paniculatus Bruce Bartholomew; Barrett Anderson 1989-4-29 4698 Modoc E side of Surprise Valley, just W of the Nevada border and ca. 15 km E of Cedarville. 1500 Comment



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