Search Results — 2000 specimen records retrieved (1515 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

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

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A yellow cell in the column headed "?", for records with coordinates, indicates a discrepancy with respect to range as specified in the eFlora. Read more ...
? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC15671  Achillea millefolium Bruce Bartholomew 1989-7-15 5000 Modoc Sweagert Flat. 1860 Comment
  HSC4552  Achillea millefolium M. T. Milligan 1964-6-6 5 Modoc N side of Dorris Reservoir along shore 1372 Comment
  HSC81035  Achillea millefolium G. M. Riegel 1979-7-21 571 Modoc South Warner Mountains 1670 Comment
  CAS-BOT-BC242287  Achnatherum Leland S. Smith 1924-5-31 s.n. Modoc W side Egg Lake. Comment
  CAS-BOT-BC242282  Achnatherum hymenoides Leland S. Smith 1917-7-17 85 Modoc Cedarville. 1981 Comment
  UCD50369  Achnatherum hymenoides L. Whitney 1935-7-1 3356 Modoc California, Modoc County, Hackamore. 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
  UCD50561  Achnatherum lemmonii Beecher Crampton; with Carl Rimbey 1954-7-8 2178 Modoc Peat Meadow; Jess Valley, Warner Mountains, 15 miles east of Likely. Modoc County. Comment
  UCD50566  Achnatherum lemmonii L. Whitney 1935-7-7 3390 Modoc Howard Gulch, 4 miles NW of Canby. Comment
  UCD50571  Achnatherum lemmonii August L. Hormay 1932-7-14 s.n. Modoc Modoc National Forest. Comment
  UCD50705  Achnatherum lemmonii E. Wilson 1934-5-14 s.n. Modoc East side of pass from Alturas to Cedarville. Comment
  UCD50893  Achnatherum occidentale L. Whitney 1935-7-3 s.n. Modoc Badger Well, Modoc County, California. Comment
  UC1025001  Achnatherum occidentale subsp. occidentale Leo Whitney 1935-7-11 3458 Modoc 4 mi e Medicine Lake (Glass Mountain); Glass Mountain 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
  UCD51218  Achnatherum occidentale subsp. pubescens R. Tofsrud 1947-7-1 244 Modoc 5 mi. W. of Ft. Bidwell. Comment
  JEPS491  Achnatherum thurberianum L. S. Smith 1917-6-20 48 Modoc Warner Mts. 1828 Comment
  CHSC99901  Acmispon americanus var. americanus Lowell Ahart; John Dittes 2008-8-25 15302 Modoc On the west bank (flood plain) of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout. 1273 Comment
  HSC65611  Adenocaulon bicolor Thomas Wood 1979-8-10 247 Modoc 1.1 miles east of forest-boundary on Mill Creek Basin Rd. 1555 Comment
  CAS-BOT-BC218323  Adonis aestivalis Mrs. H. C. Cantelow 1949-6-12 s.n. Modoc About 1 mi. W of Canby. 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
  CHSC85673  Aegilops cylindrica J. Moreo 2002-6-24 1151611 Modoc Jasper Ranch, Willow Ranch, near New Pine Cr, Oregon. Comment
  HSC5646  Ageratina occidentalis M. T. Milligan 1966-7-7 565 Modoc Slopes and ridges east of Jess Valley 1768 Comment
  HSC81120  Ageratina occidentalis G. M. Riegel 1979-7-30 620 Modoc S Warner Mtns. 640 Comment
  JEPS71356  Ageratina occidentalis L. R. Heckard, R. Bacigalupi and T. I. Chuang 1973-7-29 3460 Modoc 3.5 mi n of (e of summit) Cedar Pass ( summit of Old Cannon Mill road, e side of Warner Mts.); Warner Mts. 2072 Comment
  HSC5641  Ageratina occidentalis M. S. Baker Aug 1897 158 Modoc N Side of Egg Lake Comment
  JEPS6012  Ageratina occidentalis Frances D. Payne 1933-8-6 774 Modoc 2 mi sw Warren Mt. (se Modoc County); Pine Creek Basin 2316 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
  UCR34489  Agoseris glauca J. A. Harpel 1981-8-7 V- 50 Modoc Warner Mtns, South Warner Wilderness Area: Pine Creek Basin Trail, 7 mi NW of Eagleville 2652 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-BC15276  Agoseris heterophylla John Thomas Howell 1934-6-12 12013 Modoc Between Davis Creek and Plum Valley Comment
  CAS-BOT-BC13178  Agoseris monticola Annie M. Alexander; Louise Kellogg 1946-7-18 5015 Modoc Near Benton Meadow, Warner Mountains 2072 Comment
  CAS-BOT-BC126789  Agoseris parviflora Alice Eastwood; John Thomas Howell 1940-6-11 8029 Modoc 8 miles from Canby on road to Alturas Comment
  RSA27436  Agoseris parviflora C. L. Hitchcock 1940-5-27 6707 Modoc 15 miles NE of Alturas. 1677 Comment
  RSA218776  Agropyron desertorum R. F. Thorne, James Henrickson, C. W. Tilforth 1969-9-4 39089 Modoc Pit River, N of Alturas 1341 Comment
  SDSU728  Agropyron inerme D. F. Howe 1966-8-25 4299 Modoc Fandango Pass, Warner Mts. 1859 Comment
  CAS-BOT-BC242377  Agrostis capillaris Bruce Bartholomew; Barrett Anderson 1988-7-21 4431 Modoc Whipple Spring, E side of Whitehorse Flat Reservoir. 1340 Comment
  CAS-BOT-BC242423  Agrostis exarata Leland S. Smith 1924-6-29 1441 Modoc Happy Camp Ranger Station. Comment
  HSC8787  Agrostis exarata M. T. Milligan 1966-7-26 585 Modoc N end Jess Valley 1616 Comment
  JEPS119855  Agrostis exarata Lowell Ahart, John Dittes 2012-7-11 18347 Modoc About 1/2 mile southeast of the Pilot Butte Parking Lot, north edge of Ash Creek floodplain, about 1.5 miles (air) south of Country Road 87, about 7.5 miles (air) west of Adin, about 10.2 miles (air) east of Lookout, Big Valley. Comment
  POM229179  Agrostis exarata L. C. Wheeler 1935-8-16 3873 Modoc Warner Mountains: Dismal Swamp, Twenty Mile Creek. 2226 Comment
  SJSU9610  Agrostis exarata W. Savage 1979-7-6 1387 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  UC1024982  Agrostis exarata Leo Whitney 1935-7-6 3416 Modoc Pitt River near Lookout; Pitt River Comment
  UC1025052  Agrostis exarata Leo Whitney 1935-7-24 3590 Modoc ca 15 mi nw Canby (Lake Joaquinna, Hackamore); Modoc National Forest, Lake Joaquina, Hackamore 1463 Comment
  UC1037188  Agrostis exarata Leo Whitney 1935-7-21 3556 Modoc 15 mi w Canby; Modoc National Forest, Happy Camp 1463 Comment
  UCD52106  Agrostis exarata Beecher Crampton; Carl Rimbey 1954-7-8 2171 Modoc Peat meadow, Jess Valley, Warner Mountains, 15 miles east of Likely. Comment
  UCSC000095  Agrostis exarata H. S. Yates 1936-6-16 5676 Modoc Pease Cabin - Modoc National Forest 3 Comment
  RSA531344  Aliciella micromeria Bruce Bartholomew, B. Anderson 1989-6-2 4820 Modoc SE corner of Upper Alkali Lake, E side of Surprise Valley. 1400 Comment
  POM261432  Alisma gramineum Alice Eastwood, J. T. Howell 1940-6-12 8037 Modoc Likely Comment
  UCD137905  Alisma gramineum Herbert L. Mason 1955-8-13 14651 A Modoc southwest side of Goose Lake. Comment
  POM313035  Alisma triviale H. L. Mason 1955-8-13 14653 C Modoc S end of Goose Lake. Comment
  SEINET12043812  Allium M. S. Baker, Nutting, F. 1894-1 s.n. Modoc Rocky hillside, Foresttdale 1372 Comment
  CAS-BOT-BC245006  Allium acuminatum M. M. Hanna 1956-6-4 954 Modoc Alturas-Cedarville Hwy. Comment
  CAS-BOT-BC245015  Allium acuminatum John Thomas Howell 1934-6-11 11956 Modoc Parker Creek. 1584 Comment
  HSC29860  Allium acuminatum D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19464 Modoc Upper Rush Creek Campground about 8 mi. N of Adin on Hwy. 299 Comment
  JEPS56347  Allium acuminatum L. S. Smith 1918-6-26 938 Modoc Buck Creek Ranger Station Warner Range, Buck Creek Ranger Station 1600 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
  SEINET3883911  Allium acuminatum D. W. McNeal, R. W. Smith 1995-7-27 4172 Modoc Above Hwy. #299 at Cedar Pass, Warner Mts., Modoc Nat. For.; 0 Comment
  CAS-BOT-BC244998  Allium amplectens Roxana Stinchfield Ferris; R. Duthie 1919-6-14 111 Modoc Warner Mts. near Alturas. 2133 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-BC244990  Allium campanulatum Roxana Stinchfield Ferris; R. Duthie 1919-6-13 45 Modoc At edge of Parker Creek. Comment
  CAS-BOT-BC244984  Allium lemmonii K. Paulson; Robert Paulson 1988-5-22 10 Modoc Devil's Garden. 1539 Comment
  HSC84121  Allium lemmonii Dale McNeal 1983-6-6 2849 Modoc Beside Hwy. 139, 7.4 mi. NW of junction of Hwy. 299 Comment
  RSA540053  Allium lemmonii Bruce Bartholomew, B. Anderson 1989-6-3 4908 Modoc ca. 6 km NW of Egg Lake and ca. 0.8 km E of Service Flat Gulch. 1370 Comment
  CAS-BOT-BC244980  Allium parvum Bruce Bartholomew; Barrett Anderson 1989-6-1 4771 Modoc South Fork Davis Creek in the vicinity of the Plum Valley camp ground. 1720 Comment
  CHSC63942  Allium platycaule Marion Ownbey; Fred G. Meyer 1940-7-1 2145 Modoc Cedar Peak, Warner Mts. Comment
  JEPS47621  Allium platycaule L. S. Smith 1843-1 1123 Modoc near Cedarville; Deep Creek 1828 Comment
  POM259541  Allium platycaule C. L. Hitchcock 1940-5-27 6667 Modoc 15 miles northeast of Alturas. 1616 Comment
  SEINET188106  Allium platycaule C. L. Hitchcock 1940-5-27 6667 Modoc 15 miles nrotheast of Alturas. 1615 Comment
Read comments
Dec 2 2014
  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
  SEINET256832  Allium platycaule Margaret J. Williams 1984-6-28 84- 69 -1 Modoc End of Soldier Creek road. 2073 Comment
  UC619269  Allium platycaule J. and H. W. Grinnell 1938-6-16 1111 Modoc Cedar Pass Summit Warner Mountains, Cedar Pass Summit 1935 Comment
  CAS-BOT-BC244951  Allium tolmiei var. tolmiei Bruce Bartholomew 1991-6-21 5819 Modoc N side of Mud Lake, 5.3 km S of Forest Service road 73 on road to Rim Rock Valley. 1570 Comment
  HSC29976  Allium tolmiei var. tolmiei D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-22 19315 Modoc Soup Springs Campground Comment
  CAS-BOT-BC190747  Allophyllum gilioides subsp. gilioides Bruce Bartholomew 1995-5-12 6899 Modoc Near NE side of Day Rock above Little Hot Spring Valley. 1310 Comment
  HSC8874  Alopecurus aequalis M. T. Milligan 1966-6-30 510 Modoc Slopes and ridges E of Jess Valley 1768 Comment
  HSC8877  Alopecurus aequalis M. T. Milligan 1964-7-25 171 Modoc Pine Creek Basin, along trail. 2439 Comment
  JEPS73947  Alopecurus aequalis Frances D. Payne 1932-7-18 698 Modoc s. & e. of Alturas (Parker Creek); Warner Mts., Parker Creek 1584 Comment
  SEINET201567  Alopecurus aequalis A. Cronquist, AH Holmgren 1959-6-29 8492 Modoc Clear Lake Warner Mtns 15 mi E of Likely 1829 Comment
  UC1100228  Alopecurus aequalis Herbert L. Mason 1947-8-13 13520 Modoc n. of Canby (n.e. side of F reservoir) Comment
  UC1136996  Alopecurus aequalis August L. Hormay 1932-7-15 Modoc Pease Cabin Modoc Nat'l Forest, Pease Cabin Comment
  CAS-BOT-BC242341  Alopecurus geniculatus Bruce Bartholomew; Barrett Anderson 1988-6-23 4254 Modoc 4.2 km NW of Day. 1020 Comment
  SJSU9640  Alopecurus geniculatus W. Savage 1979-7-7 1455 Modoc Triangle, west side of Fairchild Swamp unit, Devils Garden District, Modoc National Forest 1493 Comment
  JEPS114845  Alopecurus pratensis Lowell Ahart, John Dittes 2008-6-21 14988 Modoc On dry soil, about 10 yards north of a large culvert, on the large levee mountain meadow, in Big Valley, about 2.8 miles (air) north of the Headquarters at Ash Creek State Wildlife Area, about 5.4 miles (air) northeast of Bieber 1255 Comment
  JEPS120881  Alopecurus pratensis Lowell Ahart, John Dittes, Todd Sloat 2013-6-8 18768 Modoc About 100 yards NE of the Parking Area, NE of the old barn, Ash Creek Wildlife Area, about 3.9 air miles W of Adin, about 7.7 air miles NE of Bieber, Big Valley. Comment
  OBI47987  Alyssum alyssoides Rhonda Riggins 1989-4-28 1665 Modoc Pencil Rd 4.4 mi N of hwy 395 E of Alturas. T43N R12E, sec 13 1524 Comment
  NY785947  Alyssum desertorum B. M. Bartholomew 1988-5-12 4134 Modoc Along the N side of the Pit River, 0.5 km W of State Highway 299 on Bushey Road. 1310 Comment
  RSA488041  Alyssum desertorum Bruce Bartholomew, B. Anderson 1988-5-12 4134 Modoc Along the N side of the Pit River, 0.5 km W of State Highway 299 on Bushey Road. 1310 Comment
  CHSC99958  Amaranthus albus Lowell Ahart; John Dittes 2008-8-25 15320 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
  SEINET3871799  Amaranthus blitoides Richard R. Halse 2010-9-2 8110 Modoc Warner Mountains; Modoc National Forest; along State Hwy. 299 ca 2.8 miles west of Cedarville by the Cedar Creek Lower Trailhead.; 0 1619 Comment
  CHSC117243  Amaranthus californicus Lowell Ahart; John Dittes 2016-7-16 21253 Modoc Strand of the second pond, south of Ash Creek Canal (now filled in), south of Ash Creek, Ash Creek State Wildlife Area, 0.79 miles (air) south of County Road 87, 1.75 miles (air) west of Adin, Big Valley. 1273 Comment
  CHSC117260  Amaranthus californicus Lowell Ahart; John Dittes 2016-7-14 21182 A 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 miles (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. 1273 Comment
  SEINET200136 Image available Amaranthus californicus Unknown 1947-7-10 13326 Modoc Dorris Reservoir, 2 miles east of Alturas Comment
  UC1191390  Amaranthus californicus Herbert L. Mason 1947-8-8 13461 Modoc Southwest margin of Big Sage Reservoir, northwest of Alturas. Comment
  CHSC106212  Amaranthus powellii Lowell Ahart; John Dittes 2010-8-31 17107 Modoc On the east side of Elkins Lane, about 100 yards north of the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  JEPS124366  Amaranthus powellii Lowell Ahart, John Dittes 2015-7-16 20382 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-BC21491  Amaranthus retroflexus J. Henrickson; C. W. Tilforth 1969-9-3 39026 Modoc SE end of Tule Lake Sump 0.5 mi. N of turnoff to Lava Beds Nat. Monument (2.2 mi E of NE entrance of Monument) 1264 Comment
  OBI10235  Amelanchier alnifolia H. E. McMinn 1931-5-23 2454 Modoc Warner Mts Comment
  HSC18538  Amelanchier alnifolia var. semiintegrifolia M. T. Milligan 1967-6-15 656 Modoc E of Jess Valley 1707 Comment
  RSA59973  Amelanchier pallida E. K. Balls 1950-5-13 14678 Modoc West shore of Goose Lake, 0.5 mile south of Oregon-California State line. 1463 Comment
  RSA164429  Amelanchier pumila Clare B. Hardham 1961-6-20 7887 Modoc Top of Bidwell Road, Road to Dismal Creek. 2439 Comment
  CAS-BOT-BC214636  Amelanchier utahensis Elmer Ivan Applegate 1932-8-2 8074 Modoc Mill Creek Meadow, Warner Mts. Comment
  CAS-BOT-BC54152  Amsinckia menziesii John Thomas Howell 1934-6-12 12039 Modoc 10 mi. S of New Pine Creek. Comment
  CAS-BOT-BC54158  Amsinckia menziesii John Thomas Howell 1934-6-16 12218 Modoc 5 mi. from Adin on road to Alturas. Comment
  CAS-BOT-BC54194  Amsinckia menziesii John Thomas Howell 1934-6-12 12005 Modoc Davis Creek. Comment
  CAS-BOT-BC54196  Amsinckia menziesii John Thomas Howell 1934-6-12 11995 Modoc 6 mi. S of Davis Creek. Comment
  CAS-BOT-BC54200  Amsinckia menziesii Alice Eastwood; John Thomas Howell 1940-6-13 8163 Modoc Fort Bidwell. Comment
  UC1008303  Amsinckia menziesii var. menziesii L. R. Heckard, R. Bacigalupi 1952-6-18 309 Modoc 3/4 mi e Canby (by railroad crossing, along US Hwy 299) Comment
  CAS-BOT-BC54171  Amsinckia tessellata var. tessellata Elmer Ivan Applegate 1936-5-4 10222 Modoc Lava Beds National Monument, Juniper Butte Comment
  CAS-BOT-BC54161  Amsinckia tessellata var. tessellata Elmer Ivan Applegate 1936-5-12 10287 Modoc Near top of Petroglyph Butte, Lava Beds National Monument Comment
  UC1567367  Anemone drummondii G. Schoolcraft 1989-7-16 1961 Modoc e. Patterson Lake; Warner Mts. 2804 Comment
  JEPS23489  Anemone drummondii Frances D. Payne 1931-6-29 285 Modoc e. side Mt. Warren; Warner Mts., Mt. Warren 2286 Comment
  CAS-BOT-BC15615  Antennaria argentea Bruce Bartholomew 1991-7-6 5967 Modoc Service Gulch, 4.3 km W of County Road 91 on Forest Service road 42N03. 1330 Comment
  RSA128287  Antennaria argentea Peter H. Raven, Otto T. Solbrigo 1958-6-18 13310 Modoc Cottonwood Flat Camp Ground, Modoc National Forest Comment
  CAS-BOT-BC15625  Antennaria dimorpha E. H. Steffen 1917-5-26 11 Modoc West Valley Camp. 1554 Comment
  CHSC63376  Antennaria flagellaris Vernon H. Oswald; Beth Corbin, Allison Sanger 1994-7-9 6375 Modoc Dismal Swamp ca. 6 mi (air) E of Hwy. 395, just S of the Oregon border. 2218 Comment
  UC29494  Antennaria geyeri Milo S. Baker 1893-6-20 Modoc Sear<?> beds Comment
  CAS-BOT-BC15555  Antennaria luzuloides Alice Eastwood; John Thomas Howell 1940-6-11 8010 Modoc 6 mi. NE of Adin on road to Canby. Comment
  CHSC107351  Antennaria luzuloides Lowell Ahart; John Dittes 2011-6-22 17554 Modoc About 50 yards east of the road, about 100 yards northeast of the Pilot Butte Parking Lot, north edge of Ash Creek Floodplain, 1.1 miles (air) south of County road 87, 7.7 miles (air) west of Adin, 10 miles (air) east of Lookout, Big Valley. 1264 Comment
  RSA323625  Antennaria luzuloides A. Tiehm 1984-6-30 8835 Modoc NW side of Bidwell Mt., 2.2 road miles north of 8 mile creek on the road from Lake Annie. 1844 Comment
  UCD129020  Antennaria luzuloides J. P. Smith; J. O. Sawyer 1972-5-6 5246 Modoc Road 86 just east of Adin. 1097 Comment
  RSA0049629  Antennaria luzuloides subsp. aberrans Dean Wm. Taylor 2012-6-5 21218 Modoc Vicinity Crank Spring (11 air miles North of Lookout) 1365 Comment
  HSC65544  Anthemis cotula Thomas Wood 1979-8-8 205 Modoc 1 mi. S of Ft. Bidwell, along Hwy. 1, corner house where road turns W 1372 Comment
  CAS-BOT-BC15690  Apocynum androsaemifolium Annie Montague Alexander; L. Kellogg 1946-7-17 4997 Modoc Cedar Pass. Comment
  SD149188  Apocynum androsaemifolium B. Bartholomew, B. Anderson 1988-7-21 4410 Modoc Whitehorse Mountains, 11 km north of Day on the road to Whitehorse Flat Reservoir. 1340 Comment
  UC416569  Apocynum androsaemifolium Franklin P. Nutting Modoc Forestdale Comment
  CAS-BOT-BC15696  Apocynum cannabinum Bruce Bartholomew 1994-7-1 6767 Modoc Turner Creek adjacent to Forest Service road 42N21. 1470 Comment
  SFV18021  Apocynum cannabinum J. A. Matos, D. C. Rudolph 1999-8-7 s. n. Modoc Pothole Creek near Pothole Spring. Near crossing of Clear Lake Road. 1470 Comment
  CAS-BOT-BC248353  Aquilegia formosa B. Bartholomew; H. Sun 2002-6-24 8836 Modoc Ca. 1 km NW of Bald Mt., E side of the Warner Mountains 2290 Comment
  RSA84425  Aquilegia formosa F. W. Peirson 1926-6-25 6879 Modoc small side canyon on Cedarville road 1 mile W of summit of Warner Mts. Comment
  NY485767  Aquilegia formosa B. M. Bartholomew 1988-6-24 4353 Modoc 9.8 km southwest of County Road 1 on County Road 42, east side of the Warner Mountains. Snake Lake 7 1/2' Quad. 1960 Comment
  UC8987  Aquilegia formosa Mrs. R. M. Austin and Bruce 1898-7-1 2296 Modoc Ross Canyon Comment
Read comments
May 13 2013
  CAS-BOT-BC218340  Aquilegia formosa var. formosa Leland S. Smith 1920-7-13 1176 Modoc Grizzley's. 1554 Comment
  CAS-BOT-BC218344  Aquilegia formosa var. formosa Bruce Bartholomew; Barrett Anderson 1988-6-24 4353 Modoc 9.8 km SW of County road 1 on County Road 42, E side of the Warner Mts.. 1960 Comment
  CAS-BOT-BC218348  Aquilegia formosa var. formosa Bruce Bartholomew; Barrett Anderson 1988-7-21 4440 Modoc Above Upper Rush Creek Campground ca. 4 km E of State Highway 299 between Adin and Canby. 1580 Comment
  HSC18038  Aquilegia formosa var. formosa M. T. Milligan 1964-7-4 217 Modoc Lassen Creek above lower campground 1829 Comment
  UC1586876  Arabis Juha Pykala and D. H. Norris 1987-5-27 1044 Modoc between Lower and Upper Rush Creek Campgrounds; Modoc National Forest 1493 Comment
  UC10399 Image available Arabis davidsonii Mrs. C. C. Bruce Jun 1892 2250 Modoc Lake City mt Comment
  HSC6520  Arabis glabra M. T. Milligan 1965-6-26 332 Modoc N end Jess Valley. 1616 Comment
  UC1504427  Arabis holboellii var. pendulocarpa Reed C. Rollins and Kathryn W. Rollins 1981-6-1 81194 Modoc ca 2 mi n of summit of road between Lake City and U.S. Hwy. 395; Warner Mountains Comment
  CAS-BOT-BC95634  Arabis puberula Alice Eastwood; John Thomas Howell 1940-6-13 8119 A Modoc Surprise. Comment
  CAS-BOT-BC95651  Arctostaphylos patula Bruce Bartholomew; Mona Bourell 1990-4-28 5204 Modoc 8 km from Rush Creek on road up Hunters Ridge. 1800 Comment
  HSC98187  Arctostaphylos patula M. T. Milligan 1964-5-9 36 Modoc 10 mi. N of Hwy. 139 on FS Rd. 44N15 1524 Comment
  RSA520436  Arctostaphylos patula Bruce Bartholomew, M. Bourell, Bartholomew 1990-4-28 5204 Modoc 8 km from Rush Creek on road up Hunters Ridge. 180 Comment
  SEINET195487  Arenaria congesta Annie M. Alexander, Louise Kellogg 1946-6-10 4708 Modoc Lava bench between Lower and Snake lakes. Comment
  JEPS51415  Arenaria congesta var. congesta L. S. Smith 1917-7-17 82 Modoc Warner Mts.,Grange Mill 1828 Comment
  POM203065  Arenaria congesta var. simulans J. T. Howell 1934-6-30 12288 Modoc Duncan Horse Camp. Comment
  UC1037297  Arenaria congesta var. subcongesta Leo Whitney 1934-5-13 1652 Modoc Devil's Garden, Modoc National Forest Devil's Garden, Modoc National Forest (northeast portion of country) 1584 Comment
  UC736124  Arnica chamissonis Annie M. Alexander and Louise Kellogg 1945-7-20 4500 Modoc Bridgeport Meadow 1950 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
  HSC2184  Arnica cordifolia C. L. Hitchcock 1940-5-27 6702 Modoc 15 miles NE of Alturas 1677 Comment
  RSA164310A  Arnica cordifolia Clare B. Hardham 1961-6-18 7587 Modoc Cedar Pass. 1829 Comment
  SEINET3082315 Image available Arnica cordifolia C. L. Hitchcock 1940-5-27 6702 Modoc 15 miles northeast of Alturas 1680 Comment
  CAS-BOT-BC15412  Arnica cordifolia P. Monnet 1911-7-1 886 Modoc Warner's Range Comment
  POM98603  Arnica cordifolia F. W. Peirson 1926-6-25 s.n. Modoc Small side canyon 1 mile east of summit of Warner Mountains on Cedarville Road. 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
  RSA504848  Arnica discoidea Bruce Bartholomew, B. Anderson 1988-7-21 4443 Modoc Above Upper Rush Creek Campground ca. 4 km. E of State Highway 299 between Adin and Canby. 1580 Comment
  CAS-BOT-BC15285  Arnica mollis Bruce Bartholomew; Barrett Anderson 1988-7-22 4540 Modoc Side Creek, W side of Lake City Canyon, E side of the Warner Mts.. 1980 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
  RSA298141  Arnica mollis J. O. Sawyer, James Payne Smith 1973-8-8 7217 Modoc At or near the summit of Eagle Peak 2988 Comment
  CHSC115055  Arnica sororia Jessica O'Brien 2014-9-24 Modoc 1364 Comment
  JEPS120119  Arrhenatherum elatius Lowell Ahart, John Dittes 2012-7-10 18309 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
  RSA607261  Artemisia cana L. C. Wheeler 1935-8-16 3866 Modoc Warner Mountains: Dismal Swamp, Twenty Mile Creek. 2226 Comment
  CHSC109519  Artemisia cana subsp. bolanderi L. P. Janeway; B. Castro 2012-7-25 10987 Modoc Warner Mountains. Slope along north side of Dismal Swamp. 2216 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
  RSA768067  Artemisia douglasiana L. Ahart, John Dittes 2010-8-31 17098 Modoc East side of Elkins Lane, about 10 yrds south of bridge across Ash Creek, Ash Creek State Wildlife Area, 4215 ft north of Lassen County Line, about 4.3 air miles west of Adin, about 7.7 air miles northeast of Bieber, Big Valley. 1268 Comment
  SEINET7153139 Image available Artemisia ludoviciana subsp. candicans G. Schoolcraft 1999-7-13 2865 Modoc 3 miles n. of Eagleville, CA Comment
  CAS-BOT-BC15260  Artemisia ludoviciana subsp. incompta Bruce Bartholomew; Barrett Anderson 1988-7-23 4592 Modoc Pine Creek, 4 km E of U.S Highway 395 on the road to Lily Lake, Warner Mts.. 1620 Comment
  UC1776687  Artemisia ludoviciana subsp. incompta G. Schoolcraft 1999-7-13 2861 Modoc Lower slopes of Warner Mountains 3 miles N of Eagleville, CA 1524 Comment
  RSA77971  Artemisia ludoviciana subsp. incompta Verne Grant, Alva Grant 1947-7-8 8005 Modoc Cedar Pass, Warner Mountains Comment
  CAS-BOT-BC15274  Artemisia ludoviciana subsp. ludoviciana R. M. Austin 1898-7-1 2175 Modoc Goose Lake. Comment
  SJSU9685  Artemisia ludoviciana subsp. ludoviciana W. Savage 1979-7-26 1567 Modoc Round Willows Unit, Devils Garden District, Modoc National Forest 1584 Comment
  SD96119  Artemisia nova Jack L. Reveal 1976-6-2 1841 Modoc 10 miles north of Canby. Comment
  HSC81037  Artemisia tridentata subsp. tridentata G. M. Riegel 1979-7-12 529 Modoc S Warner Mtns. 1739 Comment
  RSA518545  Artemisia tridentata subsp. tridentata George K. Helmkamp 1990-9-23 H- 4 Modoc US Hwy 395, 13 mi. N of Likely. 1341 Comment
  HSC80947  Asclepias cordifolia G. M. Riegel 1980-7-9 861 Modoc S Warner Mtns. 1670 Comment
  SEINET10580365  Asclepias cordifolia Robert F. Thorne, C. W. Tilforth 1969-9-5 Thorne 39152 Modoc Modoc National Forest, Warner Mts., near Mill Creek Falls 1753 Comment
  CAS-BOT-BC15659  Asclepias fascicularis Margaret J. Williams 1985-8-13 85- 66 -1 Modoc Big Sage Reservoir. 1524 Comment
  CAS-BOT-BC15661  Asclepias fascicularis Leland S. Smith 1925-7-1 1505 Modoc Happy Camp near Webb Flat. 1310 Comment
  HSC3280  Asclepias fascicularis M. T. Milligan 1964-7-24 164 Modoc Badger Wells Rd. at Boles Creek Crossing 1524 Comment
  CAS-BOT-BC15663  Asclepias speciosa Bruce Bartholomew 1994-10-9 6888 Modoc 0.5 km N of Lassen County on road to Eagleville, S end of Surprise Valley. 1380 Comment
  POM76189  Asclepias speciosa Mrs. R. M. Austin s.n. Modoc Goose Lake Valley Comment
  CAS-BOT-BC54173  Asperugo procumbens Gordon H. True 1964-6-3 1450 Modoc Alturas. 1432 Comment
  RSA252480  Aster eatonii R. F. Thorne, C. W. Tilforth 1969-9-5 39174 Modoc Modoc National Forest, Warner Mts, along Fall Creek below Falls. 1738 Comment
  POM312507  Aster frondosus H. L. Mason 1947-8-11 13487 Modoc Reservoir, Kelley Hot Springs, on Alturas-Conby Highway Comment
  POM23703  Astragalus canadensis var. brevidens G. Austin 1895-08 98 Modoc Shores of Goose Lake. Comment
  CAS-BOT-BC218211  Astragalus curvicarpus var. curvicarpus James D. Jokerst 1983-7-27 1913 Modoc Near Signal Butte. 1340 Comment
  CHSC112432  Astragalus curvicarpus var. curvicarpus Lowell Ahart; John Dittes, Todd Sloat 2013-6-8 18761 Modoc About 300 yards east of the Parking Area, east 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
  JEPS54661  Astragalus filipes Mrs. R. M. Austin and Mrs. C. C. Bruce June 1898 Modoc Goose Lake , valley plains Comment
  RSA163781  Astragalus filipes Clare B. Hardham 1961-6-19 7838 Modoc Davis creek. 1677 Comment
  RSA271940  Astragalus filipes Christopher Davidson 1975-6-4 2627 Modoc Canby Bridge across Pit R., ca. 4 mi. S of Canby on Hwy 299. 1341 Comment
  RSA523949  Astragalus filipes Barbara J. Ertter 1988-6-18 7619 Modoc Hwy 139, 50 airmiles SW of Klamath Falls, a few miles N of Agric. Inspection Station, 1 mile S of jct to Lava Beds Natl Monument E of Tonesta. 1311 Comment
  UC585106  Astragalus filipes E. B. Babcock, G. L. Stebbins Jr. 1936-6-9 1799 Modoc hill above Lake City; hill above Lake City 1524 Comment
  RSA152721  Astragalus filipes I. L. Wiggins, Dorothy B. Wiggins 1961-6-12 16433 Modoc S facing slope 4 miles E of summit of Cedar Pass, betw Alturas and Cedarville Comment
  SEINET948290  Astragalus filipes Barbara Ertter 1988-1 7619 Modoc Hwy 139 ca 50 airmiles SW of Klamath Falss, a few miles N of Agric. Inspection Station, 1 mi. S of Jct to Lava Beds Nat;l Monument E of Tonest; brunchgrass w/ scattered juniper, shallow soil on basalt. 1311 Comment
  CHSC110988  Astragalus gibbsii Lowell Ahart; John Dittes 2012-7-12 18374 Modoc Along the poor dirt road to the gravel pit, about 1/10 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. 1276 Comment
  CDA37189  Astragalus lemmonii CDFA Staff 2004-5-27 s.n. Modoc Ash Creek, near Adin. 0 Comment
  CAS-BOT-BC182055  Astragalus lentiginosus var. salinus Leo David Whitney 1934-5-29 1548 Modoc Sandy railroad bed, Hackamore. Comment
  NY676225  Astragalus malacus B. M. Bartholomew 1995-5-13 6911 Modoc 4.8 km west of Eagleville, east side of the south end of Surprise Valley 1480 Comment
  CAS-BOT-BC182027  Astragalus purshii Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-10 6466 Modoc Below Emerson Campground, E side of Warner Mountains. 1710 Comment
  RSA415670  Astragalus purshii var. purshii Christopher Davidson 1973-5-24 2103 Modoc S of Alturas on Hwy 395 near Likely. 1311 Comment
  CAS-BOT-BC193032  Astragalus purshii var. tinctus Frances D. Payne 1932-6-10 424 Modoc Parker Creek 1584 Comment
  RSA60235  Astragalus purshii var. tinctus E. K. Balls 1950-5-13 14662 Modoc Goose Lake, east shore about Willow Ranch. Comment
  UC397280  Astragalus purshii var. tinctus Mrs. M. H. Manning May 1907 715 Modoc e side Warner Range Comment
  HSC75574  Astragalus whitneyi var. confusus G. M. Riegel 1980-6-25 773 Modoc South Warner Mtn. 1829 Comment
  UC585210  Astragalus whitneyi var. confusus E. B. Babcock, G. L. Stebbins Jr. 1936-6-9 1800 Modoc dry, gravelly, east facing slope of hill above Lake City; above Lake City 1524 Comment
  NY696558  Astragalus whitneyi var. confusus R. C. Barneby 1982-5-25 17842 Modoc In west foothills of Warner Mountains, 9 miles northeast of Alturas 1550 Comment
  RSA0017010  Astragalus whitneyi var. confusus I. L. Wiggins, Dorothy B. Wiggins 1961-6-12 16381 Modoc Near junction of Cedar Pass road and California State Highway 299, 5.5 miles N. of Alturas. Comment
  CAS-BOT-BC181992  Astragalus whitneyi var. lenophyllus M. Vasey 1990-6-29 9023 Modoc Along North Emerson Trail, near pass. South Warner Wilderness. 2377 Comment
  CAS-BOT-BC181997  Astragalus whitneyi var. lenophyllus Peter Hamilton Raven; Otto Thomas Solbrig 1958-6-18 13333 Modoc 9.7 mi. N of Adin on Hwy 299. Comment
  CAS-BOT-BC182018  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-BC182014  Astragalus whitneyi var. lenophyllus C. C. (Mrs.) Bruce 1898-6-1 2209 Modoc Foothills, Modoc County. Comment
  CAS-BOT-BC198675  Astragalus whitneyi var. whitneyi John Thomas Howell 1934-6-14 12142 Modoc Near Lost Lake, Warnter Mts. 2438 Comment
  JEPS117501  Atriplex argentea var. argentea Lowell Ahart, John Dittes 2010-8-31 17137 Modoc About 400 yards west of Elkins Lane and the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley 1267 Comment
  UCD97671  Atriplex rosea Herbert L. Mason 1947-8-9 13485 Modoc on east side of Fairchild Swamp, north of Alturas. Comment
  NY528262  Atriplex rosea L. C. Wheeler 1935-10-10 4034 Modoc Alturas 1356.4 Comment
  JEPS5953  Balsamorhiza hookeri Frances D. Payne 1929-6-23 20 Modoc s and e of Alturas (Parker Creek, Warner Mountains); Warner Mountains, Parker Creek 1584 Comment
  CAS-BOT-BC15188  Balsamorhiza hookeri var. lanata Alice Eastwood; John Thomas Howell 1940-6-11 8008 Modoc 6 mi. NE of Adin on road to Canby. Comment
  CAS-BOT-BC15189  Balsamorhiza hookeri var. lanata Mrs. H. C. Cantelow 1941-5-23 s.n. Modoc 7.5 mi. W of Adin Pass Summit on U.S. Hwy. 299 Comment
  CAS-BOT-BC15135  Balsamorhiza sagittata F. Angwin 1946-4-21 Modoc Stone Coal Canyon near Adin. 1280 Comment
  CAS-BOT-BC15142  Balsamorhiza serrata Bruce Bartholomew; Barrett Anderson 1989-4-29 4681 Modoc 9-11 km E of Fort Bidwell on road to Fee Reservoir, NE corner of Surprise Valley. 1580 Comment
  SEINET11841141  Balsamorhiza serrata W. A. Weber 1953-1 8455 Modoc 23 mi NW of Davis Creek, W shore of Goose Lake 1463 Comment
  CAS-BOT-BC58631  Barbarea orthoceras Annie Montague Alexander; L. Kellogg 1946-7-17 5009 Modoc Benton Meadow, Warner Mts. 2072 Comment
  CAS-BOT-BC58633  Barbarea orthoceras Annie Montague Alexander; L. Kellogg 1946-7-17 5009 Modoc Benton Meadow, Warner Mts. 2072 Comment
  HSC6576  Barbarea orthoceras M. T. Milligan 1965-7-10 435 Modoc W slope of Eagle Peak 2439 Comment
  HSC6577  Barbarea orthoceras M. T. Milligan 1964-7-25 181 Modoc Pine Creek Basin, along trail. 2439 Comment
  UC10247  Barbarea orthoceras M. S. Baker and Frank Nutting 1894-6-15 Modoc Meadow, Big Valley Mts. 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
  CHSC116085  Beckmannia syzigachne Lowell Ahart; John Dittes 2015-7-16 20372 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
  RSA0005404  Beckwithia austinae R. M. Austin, C. C. Bruce 1898-06 2134 Modoc Lake City Mt. Western slope. Comment
  CAS-BOT-BC54187  Berberis aquifolium var. repens Bruce Bartholomew 1991-6-21 5805 Modoc Vicinity of Lily Lake, N end of the Warner Mountains. 2030 Comment
  CAS-BOT-BC54222  Berberis aquifolium var. repens John Thomas Howell 1934-6-11 11981 Modoc Parker Creek, Warner Mts. 1584 Comment
  HSC27250  Berberis aquifolium var. repens J. P. Smith, J. O. Sawyer 1972-5-6 5277 Modoc Hillside E of Fandango Valley, 2 mi. E of valley floor 1707 Comment
  CAS-BOT-BC76022  Berberis repens James Vale; Keith Wagnon; Walter Knight; Irja Knight 1981-5-21 4124 Modoc Warner Mountains. Stowe Reservoir Road about 4 miles past highway #299. 2133 Comment
  NY526244  Betula glandulosa L. C. Wheeler 1935-8-15 3858 Modoc Dismal Swamp, Twenty Mile Creek, Warner Mountains 2225.0 Comment
  RSA659640  Betula nana Gary D. Wallace 1990-6-30 2947 Modoc North Warner Mountains: Dismal Swamp. Comment
  CAS-BOT-BC54190  Betula occidentalis Bruce Bartholomew; Barrett Anderson 1988-6-24 4350 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-BC498659  Betula occidentalis Roxana S. Ferris; Laura Lorraine 1941-8-14 10600 Modoc 8.5 mi from Patterson Ranger Station on Eagleville Rd., Warner Mountains Comment
  UCR57550  Bidens cernua R. D. Goeden 1989-8-23 28 Modoc Modoc National Forest, Clear Lake Road at Fletcher Creek. 1479 Comment
  RSA608435  Bidens cernua L. C. Wheeler 1935-9-5 3956 Modoc Tuttle Place, west side Goose Lake 1463 Comment
  CAS-BOT-BC15149  Bidens cernua var. cernua Bruce Bartholomew 1989-8-12 5135 Modoc 4.2 km W of Likely on County Road 60. 1370 Comment
  CAS-BOT-BC15101  Bidens laevis Bruce Bartholomew 1992-8-7 6352 Modoc Along the Pit River just SW of Canby Bridge. 1300 Comment
  CAS-BOT-BC218111  Bistorta bistortoides Francis Dorris Payne 1929-7-7 64 Modoc Pine Creek Basin, Warner Mts. 2316 Comment
  HSC17484  Bistorta bistortoides M. T. Milligan 1964-6-25 85 Modoc Upper Lassen Creek 1829 Comment
  NY407588  Bistorta bistortoides M. S. Baker s.n. Modoc Edge of swampy meadow Comment
  CAS-BOT-BC15092  Blepharipappus scaber Lillian S. Mott 1976-5-29 5 LM76 Modoc Devil's Garden, N of Alturas. 1402 Comment
  POM31778  Blepharipappus scaber Mrs. R. M. Austin 1895-07 559 Modoc Goose Lake Valley. Comment
  UCR57489  Blepharipappus scaber R. D. Goeden, Don W. Ricker 1989-8-23 890823- 22 Modoc Warner Mtns., Modoc National Forest, Fandango Pass Rd, near Warner Mtn, west of Pass 1616 Comment
  UCR92621  Blepharipappus scaber Kathy Harper, D. Karr 1994-6-16 s.n. Modoc Modoc Plateau, near Spaulding Lake, along Calif. Hwy 139, c. 15 mi. south of Tionesta Road, NW of Canby near Hackamore 1160 Comment
  RSA534712  Blepharipappus scaber Bruce Bartholomew 1990-6-18 5367 Modoc Southwest side of Goose Lake, 2 km north of McGinty Point. 1420 Comment
  SJSU8832  Blepharipappus scaber R. L. Fisher 1958-6-13 Modoc near Adin Pass c. 6 mi S of Canby 1524 Comment
  UC1368465  Blepharipappus scaber R. K. Gierisch 1969-7-15 3541 Modoc 1524 Comment
  UC468912  Blepharipappus scaber M. F. Gilman 653 Modoc 5000 ft Comment
  RSA0125907  Boechera Clare B. Hardham 1961-6-19 7591 Modoc Davis Creek; Warner Mountains. 2134 Comment
  UC1567371  Boechera davidsonii G. Schoolcraft 1989-7-17 1967 Modoc e of Patterson Lake; Warner Mts. 2804 Comment
  JEPS90233  Boechera lemmonii Dean Wm. Taylor with Glenn L. Clifton 1989-8-5 10440 Modoc Warner Mountains, e face of Emerson Peak, Emerson Creek drainage Emerson Peak; Warner Mountains, Emerson Peak 2560 Comment
  CAS-BOT-BC14067  Boechera microphylla Annie M. Alexander; Louise Kellogg 1946-7-24 5074 Modoc Warner Mountains. Horse Mountain. Comment
  CAS-BOT-BC95733  Boechera pauciflora Roxana Stinchfield Ferris; R. Duthie 1919-6-14 122 Modoc Parker Creek, Warner Mts. 2133 Comment
  CAS-BOT-BC14095  Boechera pauciflora B. Bartholomew; B. Anderson 1988-7-21 4464 Modoc Vicinty of Patterson Campground, southern end of Warner Mountains. 2190 Comment
  CAS-BOT-BC100298  Boechera puberula Roxana Stinchfield Ferris; R. Duthie 1919-6-14 65 Modoc Above Parker Creek, near Nat. Forest Boundary. Comment
  CAS-BOT-BC35123  Boechera puberula E. S. Willits 1940-5-6 225 Modoc Davis Creek. Comment
  CAS-BOT-BC58567  Boechera puberula Bruce Bartholomew; Barrett Anderson 1988-5-13 4177 Modoc Juniper Flats, 10 km E of Likely on road to Jess Valley, W side of the Warner Mts.. 1450 Comment
  CAS-BOT-BC14525  Boechera puberula Ira L. Wiggins; Dorothy B. Wiggins 1961-6-12 16378 Modoc At junction of Cedar Pass road and California State Highway 299, 5.5 miles north of Alturas. Comment
  CAS-BOT-BC25527  Boechera retrofracta Annie M. Alexander; Louise Kellogg 1946-6-27 4848 Modoc North end of Warner Mountains. Highgrade (top of ridge, two miles by road from Dismal Swamp.) 2377 Comment
  CAS-BOT-BC25532  Boechera retrofracta John Thomas Howell 1934-6-30 12267 Modoc Duncan Horse Camp. Comment
  UC748377  Boechera sparsiflora Annie M. Alexander and Louise Kellogg 1946-6-30 4880 Modoc n end Warner Mountains (w side of ridge, Highgrade); , Highgrade 2377 Comment
  JEPS53055  Boechera subpinnatifida Frances D. Payne 1932-6-10 624 Modoc s and e of Alturas; Warner Mountains, Parker Creek 1584 Comment
  CAS-BOT-BC498655  Boechera subpinnatifida L. S. Smith 1917-5-30 21 Modoc Modoc Forest: West Valley camp, sec. 21 and 28 1341 Comment
  RSA166350  Boisduvalia glabella D. M. Moore 1960-6-4 120 Modoc 7.4 mi. W of Adin on road to Lookout. Comment
  RSA600325  Boisduvalia glabella Louis C. Wheeler 1935-8-18 3894 Modoc 2 miles northeast of Alturas. 1357 Comment
  RSA323624  Boisduvalia macrantha Arnold Tiehm 1984-6-30 8836 Modoc NW side of Bidwell Mt., 2.2 road miles north of 8 mile creek on the road from Lake Annie. 1845 Comment
  UC1100843  Bolboschoenus fluviatilis Verne Grant and Irving Schneider 1947-7-19 8060 Modoc Eastside Canal about one mi s Bayley's bridge (s of Alturas); Eastside Canal, s of Alturas Comment
  UC1199880  Botrychium simplex Annie Alexander and Louise Kellogg 1946-8-3 5111 Modoc Eagle Creek, head of Warner Mountains Comment
  CHSC118845  Brickellia grandiflora L. P. Janeway 2015-8-9 11828 Modoc Warner Mountains. Along Road 39N06 overlooking Coyote Creek, 3.7 road-km north of Road 64 (39N06 - the road to Patterson Campground): 6.4 air-km north-northeast of Blue Lake. 2027 Comment
  CAS-BOT-BC242448  Bromus briziformis John H. Hatton 1911-6-25 164 Modoc unspecified 1432 Comment
  HSC80915  Bromus briziformis G. M. Riegel 1980-6-30 789 Modoc S Warner Mtns. 1739 Comment
  UCD32701  Bromus briziformis Beecher Crampton 1954-7-6 2119 Modoc Modoc County, Road 56, following Shields Creek into Warner Mountains, 22 miles east of Alturas. Comment
  SEINET4345020  Bromus briziformis M. J. Williams 1969-6-14 s.n. Modoc Jess Valley. 1524 Comment
  UCD57984  Bromus carinatus L. D. Whitney 1935-7-13 s.n. Modoc Pit River--Stone Coal Valley. Comment
  CAS-BOT-BC242440  Bromus carinatus var. carinatus Bruce Bartholomew 1992-8-9 6395 Modoc Upper region of Owl Creek drainage, below cliffs, E of Summit Trail, E side of Warner Mountains. 2500 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
  JEPS69181  Bromus carinatus var. carinatus Leland S. Smith 1917-7-17 84 Modoc Comment
  UCD59097  Bromus carinatus var. marginatus L. Whitney 1935-7-6 s.n. Modoc Pit River. Stone Coal Valley. 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
  CAS-BOT-BC242468  Bromus hordeaceus Bruce Bartholomew; Barrett Anderson 1988-6-23 4220 A Modoc 2.1 km SSE of Day on the road to State Highway 299. 1020 Comment
  CHSC85100  Bromus hordeaceus John Dittes; Josephine Guardino 1991-7-21 432 Modoc Modoc Plateau; Big Valley; Ash Creek Wildlife Area; ca. 5.7 air-miles northeast of Bieber, ca. 7.6 air-miles west of Adin, ca. 1.5 air-mile southeast of Pilot Butte summit; meadow at northern edge of Ash Creek Floodplain (Big Swamp) at southeast base of Pilot Butte. 1258 Comment
  CAS-BOT-BC242464  Bromus japonicus Bruce Bartholomew; Barrett Anderson 1990-7-21 5593 Modoc Parker Creek Road, ca. 1.6 km E of Modoc National Forest boundary, W side of Warner Mts. 1650 Comment
  UCD57992  Bromus japonicus Louis C. Wheeler 1973-8-23 s.n. Modoc Big Mud Lake. Comment
  UCD58872  Bromus japonicus Beecher Crampton 1954-7-7 2163 Modoc 2.5 miles east of Alturas. Near Radio Station KCNO. Comment
  CAS-BOT-BC242460  Bromus suksdorfii Leland S. Smith 1922-7-20 1277 Modoc Rush Creek Ranger Station. 1905 Comment
  CAS-BOT-BC242456  Bromus tectorum Clare Butterworth Hardham 1961-6-17 7524 Modoc Cedar Pass Camp Ground. Comment
  CHSC30520  Bromus tectorum Sandra C. Morey 1980-4-26 73 Modoc Hwy. 299, ca. 3.7 mi. n of jctn. with Hwy 139 at Adin. 1280 Comment
  UCD60048  Bromus tectorum var. nudus E. Wilson 1934-5-14 s.n. Modoc Over pass from Alturas to Cedarville. Comment
  POM228882  Callitriche hermaphroditica L. C. Wheeler 1935-4-22 3904 Modoc South Mt. Reservoir, Devil's Garden. 1524 Comment
  CAS-BOT-BC95091  Callitriche heterophylla var. bolanderi Robert Folger Thorne; C. W. Tilforth 1969-9-5 39141 Modoc Small ditch in pasture ca. 1/2 mi. E of Likely. 1356 Comment
  CAS-BOT-BC95102  Callitriche palustris Bruce Bartholomew 1991-10-13 6120 Modoc Dismal Swamp, N end of Warner Mts. 2200 Comment
  CHSC96338  Calocedrus decurrens Richard 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
  NY888169  Calocedrus decurrens R. R. Halse 2006-8-4 6999 Modoc This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  JEPS61773  Calochortus Leland S. Smith 1918-7-10 981 Modoc Mill Creek Comment
  CAS-BOT-BC244932  Calochortus leichtlinii John Thomas Howell 1934-7-13 12101 Modoc N fork of Barber Creek. 1828 Comment
  CAS-BOT-BC244937  Calochortus leichtlinii Barrett Anderson 1986-7-10 3205 Modoc West Warner Rd just S of the N Fork of Fitzhugh Creek. 1980 Comment
  HSC15399  Calochortus leichtlinii M. T. Milligan 1966-6-29 484 Modoc N end of Jess Valley 1616 Comment
  UCD139524  Calochortus longebarbatus var. longebarbatus J. D. Jokerst 1983-7-18 1856 Modoc west of and adjacent to road 5500,near Niles Flat, 0.2 mile north of the road junction at the center of the edge of section 8. 1676 Comment
  JEPS127301  Calochortus macrocarpus Lowell Ahart, John Dittes 2016-7-14 21151 Modoc South of Ash Creek, Ash Creek State Wildlife Area, 0.79 miles (air) south of County Road 87, 1.73 miles (air) west of Adin Big Valley. Comment
  RSA503043  Calochortus macrocarpus K. Paulson, R. Paulson 1988-7-13 79 Modoc Jess Valley Road, 3 miles east of Likely 1372 Comment
  UC748207  Caltha leptosepala Annie M. Alexander and Louise Kellogg 1946-6-26 4829 Modoc Dismal Swamp, north end of Warner Mountains. 2255 Comment
  JEPS114378  Calycadenia fremontii Lowell 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
  CAS-BOT-BC197450  Calyptridium umbellatum M. M. Hanna 1956-6-3 s.n. Modoc Highway 299. Comment
  HSC80775  Calyptridium umbellatum G. M. Riegel 1980-7-22 1098 Modoc S Warner Mtns. 1829 Comment
  CAS-BOT-BC95580  Calystegia occidentalis subsp. occidentalis Roxana Stinchfield Ferris; R. Duthie 1919-6-15 191 Modoc Parker Creek above Modoc National Forst boundary. Comment
  CAS-BOT-BC95584  Calystegia occidentalis subsp. occidentalis Alice Eastwood; John Thomas Howell 1940-6-12 8072 Modoc Between Likely and Jess Valley. Comment
  CAS-BOT-BC95586  Calystegia occidentalis subsp. occidentalis Bruce Bartholomew 1991-6-22 5866 Modoc E side of the Pit River, ca. 2 km S of Joseph Creek. 1410 Comment
  CAS-BOT-BC242127  Camassia quamash subsp. breviflora Bruce Bartholomew 1990-6-15 5237 Modoc SE corner of Sweagert Flat. 1860 Comment
  CAS-BOT-BC242130  Camassia quamash subsp. breviflora Edward Kent Balls 1950-5-21 14816 Modoc About S Fork Public Camp, S Fork Pit River between Likely and Jess Valley. 1432 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
  RSA488030  Camassia quamash subsp. breviflora Bruce Bartholomew, B. Anderson 1988-5-12 4015 Modoc S side of Egg Lake. 1300 Comment
  RSA0036996  Camelina microcarpa Lowell A. Ahart, John Dittes, Todd Sloat 2013-6-8 18757 Modoc On the north side of levee, about 100 yards north of the Parking Area, northwest of the old barn, Ash Creek State Wildlife Area, about 3.9 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  CAS-BOT-BC191133  Camissonia andina Bruce Bartholomew; Barrett Anderson 1989-6-1 4740 Modoc ca. 0.5 km S of State Hwy 299 on road to Shaker Spring. 1420 Comment
  CAS-BOT-BC191113  Camissonia claviformis subsp. cruciformis Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-10 6454 Modoc At the Nevada border directly E of Eagleville, E side of Surprise Valley. 1520 Comment
  CAS-BOT-BC191107  Camissonia minor Bruce Bartholomew 1993-6-13 6623 Modoc Near Fortynine Creek, E of Cedarville on E side of Surprise Valley. 1400 Comment
  CAS-BOT-BC191102  Camissonia subacaulis Bruce Bartholomew; Barrett Anderson 1989-6-3 4863 Modoc Quaking Aspen Spring, between Goose Lake and Clear Lake Reservoir. 1500 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
  HSC26008  Camissonia tanacetifolia D. H. Norris, S. Dowty, T. Nelson 1971-6-23 19398 Modoc Along Hager Basin Rd. near Big Sage Reservoir. Comment
  NY852077  Camissonia tanacetifolia L. C. Wheeler 1935-8-18 3895 Modoc 2 miles northeast of Alturas 1356 Comment
  NY852080  Camissonia tanacetifolia R. J. Weatherby 1955-7-8 1616 Modoc 7 miles north of Fort Bidwell 1875 Comment
  CAS-BOT-BC191076  Camissonia tanacetifolia subsp. tanacetifolia M. M. Hanna 1956-6-7 1005 Modoc Junction of Hwy 139 and Glass Mt. Road. Comment
  CAS-BOT-BC191092  Camissonia tanacetifolia subsp. tanacetifolia John Thomas Howell 1934-6-12 12000 Modoc 6 mi. S of Davis Creek. Comment
  POM204166  Camissonia tanacetifolia subsp. tanacetifolia J. T. Howell 1934-6-15 12196 Modoc Dorris Reservoir, 2 miles east of Alturas Comment
  UC117882  Capsella bursa-pastoris Mrs. R. M. Austin May 1894 20 Modoc Goose Lake Valley Comment
  RSA0116208  Cardamine breweri C. L. Hitchcock 1940-5-27 6712 Modoc 15 miles NE of Alturas. 1677 Comment
  CAS-BOT-BC58426  Cardamine breweri var. breweri Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10527 Modoc Patterson Ranger Station (East Creek drainage), Warner Mts. 2164 Comment
  CAS-BOT-BC58467  Cardamine breweri var. breweri Betty J. Hammerly 1941-6-20 33 Modoc Along bank of Clear Lake, S end of Warner Mts. Comment
  CHSC100860  Carex abrupta L. P. Janeway; B. Castro 2008-8-17 9673 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
  CAS-BOT-BC245196  Carex amplifolia Alice Eastwood; John Thomas Howell 1940-6-13 8177 Modoc E side of Cedar Pass. Comment
  CAS-BOT-BC242326  Carex aquatilis var. aquatilis Louis Cutter Wheeler 1935-8-16 3871 Modoc Dismal Swamp, Twenty-Mile Creek. 2225 Comment
  RSA577787  Carex aquatilis var. aquatilis L. C. Wheeler 1935-8-16 3871 Modoc Dismal Swamp, Twenty Mile Creek. Warner Mountains. Mt. Diablo Mer 2226 Comment
  RSA210806  Carex atherodes Robert F. Thorne, James Henrickson, Tilforth 1969-9-3 39018 Modoc SE end of Tule Lake Sump 0.5 miles N of turnoff to Lava Beds National Monument, (2.2 miles E of NE entrance to monument) 1265 Comment
  CAS-BOT-BC242372  Carex athrostachya Annie Montague Alexander; L. Kellogg 1946-7-18 5023 Modoc Benton Meadow. 2072 Comment
  CHSC117018  Carex athrostachya Lowell Ahart 2016-6-6 20964 Modoc About 100 yards east of the Parking Area, about one miles 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
  CHSC115609  Carex douglasii Lowell Ahart; John Dittes 2015-7-15 20338 Modoc Aabout 400 yards northeast of the old barn, on the south side of the overgrown road, Ash Creek StatWildlife Area, about 3.9 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1269 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
  HSC75582  Carex hoodii G. M. Riegel 1979-7-5 489 Modoc S Warner Mtns. 1670 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-BC242361  Carex jonesii Bruce Bartholomew; Barrett Anderson 1988-7-21 4606 Modoc Above Upper Rush Creek Campground ca. 4 km E of State Highway 299 between Adin and Canby. 1580 Comment
  UC1024323  Carex luzulina var. luzulina Annie M. Alexander and Louise Kellogg 1946-7-1 4886 Modoc 2 miles SW of Dismal Swamp (Mineral Spring); Warner Mountains, N end 2255 Comment
  HSC7150  Carex microptera M. T. Milligan 1965-6-26 319 Modoc N end Jess Valley. 1616 Comment
  CAS-BOT-BC245177  Carex multicaulis Leland S. Smith 1922-6-23 1251 Modoc Ballard's Mill. 1828 Comment
  CAS-BOT-BC245161  Carex nebrascensis R. L. Ward 1976-5-18 s.n. Modoc Pine Spring. 1508 Comment
  CAS-BOT-BC245172  Carex nebrascensis John Thomas Howell 1934-6-15 12190 Modoc Alturas. Comment
  UC1024329  Carex nebrascensis Annie M. Alexander and Louise Kellogg 1946-7-7 4928 Modoc Eight Mile Creek 1752 Comment
  CAS-BOT-BC242353  Carex pachystachya A. Cronquist; N. Holmgren 1959-6-19 8490 Modoc Clear Lake, 15 mi. E of Likely. 1828 Comment
  UC1024331  Carex pellita Annie M. Alexander and Louise Kellogg 1946-7-7 4931 Modoc Eight Mile Creek 1752 Comment
  RSA43288  Carex pellita A. M. Alexander, Louise Kellogg 1946-7-7 4931 Modoc Eight Mile Creek. Comment
  CAS-BOT-BC245153  Carex praegracilis Herbert Louis Mason; Verne Grant 1947-7-12 13439 Modoc Corporation Ranch Headquarters, N of Likely. Comment
  JEPS114870  Carex sheldonii Lowell Ahart, John Dittes 2008-8-25 15292 Modoc On the west bank of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout 1273 Comment
  HSC47604  Carex subfusca D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19459 Modoc Upper Rush Creek Campground, about 8 mi. N of Adin on Hwy. 299 Comment
  UC190420  Carex subfusca M. S. Baker and Frank Nutting 1894-6-20 Modoc near White-horse Lake Comment
  HSC48189  Carex tumulicola D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19420 Modoc Near Hager Reservoir Comment
  CAS-BOT-BC245141  Carex utriculata Robert Folger Thorne; C. W. Tilforth 1969-9-5 39186 Modoc Pine Creek where it is crossed by Hwy 395, 3.4 mi. S of Alturas. 1341 Comment
  CAS-BOT-BC242396  Carex vesicaria Bruce Bartholomew; Barrett Anderson 1988-6-24 4334 Modoc Lily Lake, W side of the Warner Mts.. 2130 Comment
  UC922537  Carex vesicaria Annie M. Alexander and Louise Kellogg 1948-9-21 5625 Modoc above Mineral Spring (1 mi sw of top of grade between New Pine Creek and Fort Bidwell) 2286 Comment
  CAS-BOT-BC225995  Castilleja applegatei John Thomas Howell 1934-6-13 12049 Modoc Fandango Pass, Warner Mountains 1828 Comment
  CAS-BOT-BC225989  Castilleja applegatei subsp. pinetorum Mrs. H. C. Cantelow 1935-6-8 972 Modoc NE of Bieber. Comment
  CAS-BOT-BC225999  Castilleja applegatei subsp. pinetorum John Thomas Howell 1934-6-11 11917 Modoc Parker Creek, Warner Mountains 1584 Comment
  CAS-BOT-BC229825  Castilleja applegatei subsp. pinetorum Belknap C. Goldsmith 1912-5-15 73 Modoc Parker Creek, Warner Mountains 1584 Comment
  JEPS29107  Castilleja applegatei subsp. pinetorum Lauramay T. Dempster 1961-6-18 1686 Modoc just s Cedar Pass Comment
  JEPS29112  Castilleja applegatei subsp. pinetorum Lauramay T. Dempster 1961-6-20 1717 Modoc just n Dismal Creek Road with Fort Bidwell Road; Warner mts. 2346 Comment
  JEPS3898  Castilleja applegatei subsp. pinetorum Annie M. Alexander and Louise Kellogg 1946-6-27 4844 Modoc 2 mi by road from Dismal Swamp (Highgrade, n end of Warner Mountains); Warner Mountains, Highgrade 2377 Comment
  JEPS62828  Castilleja applegatei subsp. pinetorum John Weiler 1970-7-7 70197 Modoc above Cedar Pass (along Highway 299) 1950 Comment
  JEPS66445  Castilleja applegatei subsp. pinetorum L. R. Heckard and P. Rubtzoff 1971-8-3 2706 Modoc 3.5 mi n Cedarville Pass (near summit of Old Canyon Mill road); Warner Mts. 1981 Comment
  UC1585988  Castilleja applegatei subsp. pinetorum Barbara Ertter 1988-6-18 7644 Modoc n of Adin (on Hwy 299); Adin Summit 1584 Comment
  UC885467  Castilleja applegatei subsp. pinetorum C. L. Hitchcock 1940-5-27 6677 Modoc 15 mi ne Alturas 1615 Comment
  UCSB19309  Castilleja applegatei subsp. pinetorum 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
  HSC80806  Castilleja arachnoidea G. M. Riegel 1980-8-20 1079 Modoc South Warner Mts. 1829 Comment
  RSA185378  Castilleja arachnoidea Clare B. Hardham 1961-6-18 7811 Modoc Hills above Cedar Pass. Comment
  CAS-BOT-BC226025  Castilleja lacera K. Paulson; Robert Paulson 1989-7-18 200 Modoc Ca. 3.5 mi NE of Cedar Pass, E side of Warner Mts. 1673 Comment
  CAS-BOT-BC226031  Castilleja lacera Bruce Bartholomew 1990-6-15 5221 Modoc W side of Deer Spring Ridge in vicinity of Reid Draw, ca. 1 km N of the Lasson Co. border. 1540 Comment
  UC1063397  Castilleja lacera R. C. Wilson 1933-6-21 86 Modoc Stone Coal Valley Creek; Modoc National Forest, Canby Quad. 1402 Comment
  UC733138  Castilleja linariifolia Elmer I. Applegate 1929-7-29 6091 Modoc Clear Lake Dam; Clear Lake Comment
  RSA78907  Castilleja linariifolia E. K. Balls, Percy C. Everett 1952-10-10 18148 Modoc Above S. Fk. Public Camp, 8 mi. E. of Likely on road to Jess Valley. 1555 Comment
  UC199383  Castilleja linariifolia Milo S. Baker 1898-8-1 528 Modoc near Johnson's; Big Valley Comment
  JEPS9771  Castilleja miniata L. S. Smith 1917-7-18 79 Modoc Soldier Creek; Warner Mts. 1950 Comment
  POM42614  Castilleja miniata R. M. Austin 528 Modoc Willow Creek. Comment
  UC26460  Castilleja miniata Mrs. R. M. Austin and Bruce Jul 1898 2242 Modoc Goose Lake mts. Comment
  CAS-BOT-BC226052  Castilleja pilosa Bruce Bartholomew 1991-6-20 5775 Modoc Junction of county roads 87 and 90. 1220 Comment
  CAS-BOT-BC226057  Castilleja pilosa Annie Montague Alexander; L. Kellogg 1946-6-14 4751 Modoc Silver Creek branch of Patterson Mill road. 1828 Comment
  CAS-BOT-BC241009  Castilleja pilosa Alice Eastwood; John Thomas Howell 1940-6-14 8206 Modoc Near Kelley Hot Springs Comment
  SJSU11483  Castilleja pilosa R. L. Fisher 1958-6-15 Modoc 15 mi E of Alturas 1676 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
  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
  JEPS118327  Castilleja tenuis Lowell Ahart, John Dittes 2011-6-22 17559 Modoc On the east side of the road, about 100 yards north of the Pilot Butte Parking Lot, north edge of Ash Creek Floodplain, 1.1 miles (air) south of County Road 87, 7.7 miles (air) west of Aden [Adin], 10 miles (air) east of Lookout, Big Valley 1264 Comment
  CAS-BOT-BC225973  Castilleja tenuis Fred. P. Cronemiller 1920-6-15 31 Modoc McKenzie Spring. 1310 Comment
  UC71740  Castilleja tenuis Mrs. M. H. Manning Jul 1904 396 Modoc 6 mi below Ft. Bidwell (Alkali Lake, ne Modoc County); Alkali Lake Comment
  UC1281476  Ceanothus X flexilis H. E. McMinn 1941-8-27 5405 Modoc Egg lake 12-13 mi from Lookout, Egg Lake; Egg Lake Comment
  UC54488  Ceanothus cuneatus var. cuneatus H. M. Hall and E. B. Babcock 1903-6-21 4249 Modoc sw part of county, Sierra Nevada Mts. 1219 Comment
  UC73355  Ceanothus cuneatus var. cuneatus Milo S. Baker 1893-1 Modoc near Craigs Comment
  RSA504605  Ceanothus integerrimus Bruce Bartholomew, B. Anderson 1988-6-23 4265 Modoc 1.8 km WSW of Day on County Road 94. 1170 Comment
  UC70422  Ceanothus integerrimus Milo S. Baker 516 Modoc Bowens Spring Comment
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Jul 24 2013
  CAS-BOT-BC217111  Ceanothus prostratus Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-11 6508 Modoc Ca. 3 km S of Oregon border on Forest Service Rte. 7. 1720 Comment
  HSC18315  Ceanothus prostratus M. T. Milligan 1964-5-9 32 Modoc 4 mi. N of Hwy. 139 on USFS Rd. 44N15 1524 Comment
  HSC80758  Ceanothus prostratus G. M. Riegel 1978-6-25 14 Modoc S Warner Mtns. 1670 Comment
  JEPS42256  Ceanothus prostratus Milo S. Baker 1893-6 Modoc Forestdale Comment
  SEINET12210602  Ceanothus prostratus J. Vale, Wagnon, K.; Knight, W.; Knight, I. 1981-1 4132 Modoc On White Horse Road near Egg Lake, n.w. of Lookout Comment
  CAS-BOT-BC217125  Ceanothus velutinus Belknap C. Goldsmith 1911-9-17 39 Modoc Fandango Creek. W slope Warner Mts. 1615 Comment
  UC1281456  Ceanothus velutinus H. E. McMinn 1931-5-23 2472 Modoc Fandango Pass Warner Mts., Fandango Pass Comment
  CHSC106187  Centaurea cyanus Lowell Ahart; John Dittes 2010-8-31 17100 Modoc On the west side of Elkins Lane, about 100 yards north of the bridge across Ash Creek, Ash Creek State Wildlife Area, 4215 feet north of Lassen County Line, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  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
  NY170439  Centaurium exaltatum B. M. Bartholomew 1992-5-15 6285 Modoc Vicinity of Leonard Hot Spring, E side of Surprise Valley. 1370 Comment
  CAS-BOT-BC95205  Cerastium fontanum Bruce Bartholomew 1994-7-2 6798 Modoc Joseph Creek Basin, W side of the Warner Mountains. 1650 Comment
  CAS-BOT-BC388227  Cerastium glomeratum B. Bartholomew 1992-5-16 6326 Modoc Lunsford Spring 1600 Comment
  UC1101388  Ceratophyllum demersum Verne Grant and Irving Schneider 1947-7-22 8133 Modoc North Fork of Pit River by confluence with Gleason Creek on Highway 395 n Alturas; North Fork of Pit River by confluence w/ Gleason Creek Comment
  JEPS114459  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
  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
  NY848751  Cercocarpus ledifolius var. intermontanus H. C. Stutz 1992-7-28 95664 Modoc 1 mile west of Cedarville Comment
  CAS-BOT-BC197533  Cercocarpus ledifolius var. ledifolius A. D. Borden 1911-5-20 s.n. Modoc Sugar Hill. Comment
  UC72035  Cercocarpus ledifolius var. ledifolius Milo S. Baker 1893-6-20 Modoc Comment
  CAS-BOT-BC497219  Chaenactis douglasii Margaret J. Williams; Arnold Tiehm; Jan Nachlinger 1988-6-2 88- 27 -3 Modoc Hwy 395, 0.4 mi E of Susanville road after turn to Alturas Comment
  CAS-BOT-BC15054  Chaenactis douglasii var. douglasii Gordon H. True 1964-6-3 1447 Modoc Surprise Valley, about 5 mi. S of Cedarville. 1463 Comment
  CHSC112509  Chaenactis douglasii var. douglasii L. P. Janeway; B. Castro 2014-6-3 11315 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. 1567 Comment
  CAS-BOT-BC15056  Chaenactis douglasii var. douglasii Amos Arthur Heller 1938-6-24 15221 Modoc Between Alturas and Canby on Hwy 299. 1341 Comment
  RSA504622  Chaenactis douglasii var. douglasii Bruce Bartholomew, B. Anderson 1988-6-25 4377 Modoc SW side of Jess Valley, Warner Mountains. 1540 Comment
  CAS-BOT-BC245411  Chamaesaracha nana Alice Eastwood; John Thomas Howell 1940-6-13 8191 Modoc W side of Cedar Pass. Comment
  RSA210820  Chamaesyce serpillifolia R. F. Thorne, J. Henrickson, C. W. Tilforth, K. Thorne 1969-9-4 39082 Modoc E. shore of Goose Lake at Willow Ranch. 1433 Comment
  CHSC106186  Chamaesyce serpillifolia subsp. serpillifolia Lowell Ahart; John Dittes 2010-8-31 17116 Modoc In the parking area on the east side of Elkins Lane, northeast of the homestead, about 300 yards north of the bridge across Ash Creek, Ash Creek State Wildlife Area, 4215 feet north of Lassen County Line, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1295 Comment
  CHSC117245  Chamaesyce serpillifolia subsp. serpillifolia Lowell Ahart; John Dittes 2016-7-16 21257 Modoc Strand of the second pond, south of Ash creek Canal (now filled in) south of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.75 miles (air) west of Adin, Big Valley. 1273 Comment
  SEINET195700  Chamerion angustifolium subsp. circumvagum Annie M. Alexander, Louise Kellog 1946-7-3 4904 Modoc Near Fort Bidwell south slope. Bidwell Creek Canyon. Comment
  UC20108  Chamerion angustifolium subsp. circumvagum Milo S. Baker 1893-7-12 Modoc hillside Comment
  CHSC115522  Chenopodium album Lowell Ahart; John Dittes 2015-7-16 20360 Modoc North edge of Ash Creek (destroyed), southeast of the gravel pit (destroyed), about 1/8 mile east of parking are on east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  JEPS114668  Chenopodium album Lowell Ahart, John Dittes 2008-8-25 15321 Modoc On the east bank (flood plain) of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout 1273 Comment
  CAS-BOT-BC95513  Chenopodium album John H. Hatton 1911-6-22 148 Modoc Modoc County. 1615 Comment
  CAS-BOT-BC95521  Chenopodium foliosum Leland S. Smith 1920-8-12 21 Modoc Cantrall's Mill. 1828 Comment
  UCD97878  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
  CAS-BOT-BC95523  Chenopodium fremontii Bruce Bartholomew; Barrett Anderson 1990-7-20 5455 Modoc Margin of Goose Lake at S end of the causeway to McGinty Point. 1440 Comment
  NY537067  Chenopodium glaucum L. C. Wheeler 1935-8-18 3892 Modoc 2 miles northeast of Alturas Comment
  RSA624120  Chenopodium leptophyllum L. C. Wheeler 1935-8-26 3921 Modoc South Mt. devil's Garden: McGinty Point. 1524 Comment
  CAS-BOT-BC95662  Chimaphila menziesii Annie Montague Alexander; L. Kellogg 1946-7-24 5063 Modoc Bear Camp Flat. Comment
  HSC80767  Chimaphila umbellata G. M. Riegel 1979-8-21 680 Modoc S Warner Mtns. 1670 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
  UC52605  Chorizanthe polygonoides var. polygonoides M. S. Baker and Frank Nutting 1894-6-29 Modoc Big Valley Comment
  CAS-BOT-BC15031  Chrysothamnus humilis Elmer Ivan Applegate 1932-8-5 8183 Modoc S slope of Cedar Mountain, Warner Mountains Comment
  CAS-BOT-BC15033  Chrysothamnus humilis John Thomas Howell 1934-7-1 12348 B Modoc Duncan Horse Camp. 1355 Comment
  CAS-BOT-BC15050  Chrysothamnus nauseosus subsp. albicaulis Roxana Stinchfield Ferris; R. Duthie 1919-6-14 119 Modoc Hills above Parker Creek. Comment
  LA82951  Chrysothamnus viscidiflorus O. H. Kappler; 1949-7-26 1996 Modoc 5 mi. S of Alturas along Route 395 1402 Comment
  CAS-BOT-BC14984  Chrysothamnus viscidiflorus subsp. viscidiflorus Philip Alexander Munz 1951-9-14 16979 Modoc Jess Valley, S Warner Mountains 1630 Comment
  CAS-BOT-BC14986  Chrysothamnus viscidiflorus subsp. viscidiflorus Elmer Ivan Applegate 1935-6-5 9322 Modoc Captain Jack's Stronghold, Lava Beds National Monument. Comment
  CAS-BOT-BC14997  Chrysothamnus viscidiflorus subsp. viscidiflorus Delzie Demaree 1959-8-15 41484 Modoc Canby, Modoc National Forest Comment
  JEPS21408  Chrysothamnus viscidiflorus subsp. viscidiflorus W. L. Jepson 1918-8-6 7836 Modoc Fandango Pass 1859 Comment
  RSA301896  Chrysothamnus viscidiflorus subsp. viscidiflorus L. C. Anderson 1958-8-24 1614 Modoc Cedar Pass Campgrounds in the Warren Mts., 8 miles W of Cedarville Comment
  CDA38299  Cicuta douglasii T. C. Fuller 1964-10-8 12701 Modoc West side of Highway 395 at southern limits of Likely. 0 Comment
  CDA38300  Cicuta douglasii T. C. Fuller 1964-10-8 12701 Modoc West side of Highway 395 at southern limits of Likely. 0 Comment
  JEPS15742  Cicuta maculata var. angustifolia W. L. Jepson 1918-8-9 7921 Modoc Fort Bidwell 1432 Comment
  JEPS43894  Circaea alpina subsp. pacifica Milo S. Baker 1893-7-15 Modoc Forestdale, Taylor Creek 1371 Comment
  NY850376  Circaea alpina subsp. pacifica K. Paulson 1988-7-11 76 Modoc Cedar Pass Campground. 1676 Comment
  CHSC116066  Cirsium arvense Lowell Ahart; John Dittes 2015-7-16 20384 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
  CDA1059  Cirsium arvense Loring White 1959-7-2 s.n. Modoc 1.5 mi. S/ Tulelake. 0 Comment
  CDA1062  Cirsium arvense T. C. Fuller, W. T. Parsons 1960-7-26 4872 Modoc 1.5 mi. south of Tulelake; in grainfield, Hwy 139. 0 Comment
  CAS-BOT-BC14965  Cirsium cymosum Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16379 Modoc Junction of Cedar Pass Road & CA State Hwy. 299, 5.5 mi. N of Alturas Comment
  CAS-BOT-BC14975  Cirsium douglasii var. breweri Louis Cutter Wheeler 1935-9-10 3966 Modoc McGinty Reservoir, Devil's Garden 1463 Comment
  SEINET3146369  Cirsium occidentale var. candidissimum M. S. Baker sn Modoc Egg Lk. Comment
  RSA0070698  Cirsium occidentale var. candidissimum F. H. Frost 1925-7-11 16 Modoc Cedar Canyon campsite, 2 miles above Cedarville. Comment
  CDA9112  Cirsium ochrocentrum Donald Collier 2008-6-3 PDR# 1291670 Modoc Alturas, 202 West 4th St. 0 Comment
  CDA20228  Cirsium undulatum G. Deal 2003-9-9 PDR 1151623 Modoc Modoc Plateau; Vicinity of Alturas. 0 Comment
  HSC16275  Clarkia affinis M. T. Milligan 1964-7-1 109 Modoc Ballard's Reservoir Rd. 1 mi. S of Modoc County Rd. 54 1372 Comment
  CAS-BOT-BC172040  Clarkia gracilis subsp. gracilis Clare B. Hardham 1961-6-19 7818 Modoc Davis Creek, Warner Mountains 1524 Comment
  CAS-BOT-BC191059  Clarkia lassenensis Bruce Bartholomew; Barrett Anderson 1988-6-23 4241 Modoc 4.2 km NW of Day. 1020 Comment
  HSC30120  Clarkia lassenensis D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19485 Modoc Upper Rush Creek Campground, about 8 mi. N of Adin on Hwy. 299 Comment
  CAS-BOT-BC184096  Clarkia lassenensis Mrs. H. C. Cantelow 1935-6-8 s.n. Modoc Nr. Bieber Comment
  UC1184379  Clarkia lassenensis Peter H. Raven with Otto T. Solbrig 1958-6-18 13314 Modoc Cottonwood Flat Camp Ground Modoc National Forest Comment
  CAS-BOT-BC197446  Claytonia lanceolata Bruce Bartholomew; M; M. Gilbert; L. E. Skog 1993-5-11 6480 Modoc Vicinity of Cedar Pass Campground, W side of Warner Mountains. 1820 Comment
  RSA0059503  Claytonia lanceolata var. sessilifolia C. L. Hitchcock 1940-5-27 6717 Modoc 15 miles NE of Alturas. 1982 Comment
  CAS-BOT-BC197439  Claytonia megarhiza Elmer Ivan Applegate 1932-8-3 8116 Modoc Rocky crest of Warner Mts. just N of Eagle Peak. Comment
  CAS-BOT-BC197466  Claytonia rubra subsp. rubra John Thomas Howell 1934-6-13 12078 Modoc Fandango Pass. 1828 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-BC226099  Collinsia parviflora Bruce Bartholomew 1990-6-16 5257 Modoc Between roadhead and Pine Creek Basin, W side of Warner Mountains. 2130 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-BC229857  Collinsia parviflora F. Angwin 1946-4-6 s.n. Modoc Yowell Ranch, Adin. 1371 Comment
  HSC26508  Collinsia parviflora J. P. Smith, J. O. Sawyer 1972-5-6 5257 Modoc FS road to Quail Spring at Hwy. 299, N of Adin 1463 Comment
  JEPS4624  Collinsia parviflora L. S. Smith 1919-5-3 1089 Modoc Rock Spr.; Warner Mtns Comment
  UC526138  Collinsia parviflora John Thomas Howell 1934-6-14 12135 Modoc near Lost Lake; Warner Mountains 2438 Comment
  HSC20608  Collinsia parviflora M. T. Milligan 1964-4-25 Modoc S end of Lower Cummings Reservoir, along base of dam Comment
  HSC20612  Collinsia parviflora M. T. Milligan 1964-6-20 56 Modoc 2 mi. N on Pencil Rd. from Hwy. 395 1372 Comment
  HSC31747  Collinsia parviflora Donald Spalinger 1974-5-17 69 Modoc Hwy. 136 from junction with Hwy. 299 1494 Comment
  UC26625  Collinsia parviflora J. Burtt Davy Modoc Modoc County Comment
  CAS-BOT-BC229873  Collinsia torreyi Leland S. Smith 1924-6-8 1369 Modoc Timber E of Egg Lake. 1310 Comment
  CAS-BOT-BC190733  Collomia grandiflora Bruce Bartholomew 1991-7-4 5919 Modoc Road between Roney Flat and Miller Flat. 1630 Comment
  CAS-BOT-BC190742  Collomia grandiflora Barrett Anderson 1986-7-9 3167 Modoc Stough Reservoir Rd just E of Cedar Pass near Stough Reservoir. 1965 Comment
  HSC80886  Collomia grandiflora G. M. Riegel 1980-7-14 Modoc S Warner Mtns. 1670 Comment
  UC748270  Collomia linearis Annie M. Alexander and Louise Kellogg 1946-7-11 4960 Modoc ne corner of county Eight Mile Creek (slope w) Comment
  CAS-BOT-BC190707  Collomia tinctoria Bruce Bartholomew 1993-6-12 6580 Modoc Road to Day Rock from Little Hot Spring Valley. 1250 Comment
  CAS-BOT-BC225786  Comandra umbellata subsp. californica Bruce Bartholomew; Barrett Anderson 1988-5-14 4197 Modoc 0.8 km W of Goose Lake on USFS road 47N09 to Crowder Flats. 1430 Comment
  CHSC100013  Conium maculatum Lowell Ahart; John Dittes 2008-8-25 15280 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-BC14944  Conyza canadensis Elmer Ivan Applegate 1915-9-20 3324 Modoc S shore of Tule Lake, opposite Captain Jack's stronghold. Comment
  CAS-BOT-BC14946  Conyza canadensis Bruce Bartholomew 1994-10-9 6892 Modoc Goose Lake, 19.2 km N of McGinty Point on road to the Oregon border. 1460 Comment
  CAS-BOT-BC242187  Corallorhiza maculata Bruce Bartholomew 1994-7-2 6777 Modoc Field redacted by CAS, contact the data manager for more information 1590 Comment
  SEINET4676264  Cordylanthus capitatus B. Bartholomew, Anderson 1988-7-23 4560 Modoc Road beyond Poison Lake ca. 8 km south of the road from U.S. Highway 395 to Lily Lake, Warner Mountains. Fort Bidwell 15 foot Quad.; 0 2140 Comment
  CAS-BOT-BC210266  Cornus sericea John Thomas Howell 1934-6-11 11964 Modoc Parker Creek, Warner Mts. 1584 Comment
  CAS-BOT-BC95597  Cornus sericea Bruce Bartholomew 1994-7-1 6768 Modoc Turner Creek adjacent to Forest Service road 42N21. 1470 Comment
  UC1280731  Cornus sericea subsp. sericea H. E. McMinn 1931-5-23 2457 Modoc Warner Mts., Cedarville Rd. Comment
  RSA252457  Cornus stolonifera R. F. Thorne, C. W. Tilforth, K. Thorne 1969-9-5 39177 Modoc South Fork of Pit River at bridge, 3.8 miles E. of Likely. 1387 Comment
  UCD168577  Cotula mexicana Thomas Getts 2017-7-27 s.n. Modoc Three miles east and south of the town of Likely, Likely Place Golf and RV Resort. 1388 Comment
  CAS-BOT-BC197571  Crataegus douglasii Elmer Ivan Applegate 1929-6-25 5900 Modoc Cottonwood Creek, E side of Goose Lake. Comment
  CAS-BOT-BC14911  Crepis acuminata Leland S. Smith 1924-6-29 1429 Modoc unspecified Comment
  CAS-BOT-BC14921  Crepis bakeri Bruce Bartholomew 1993-6-12 6589 Modoc Road to Day Rock from Little Hot Spring Valley. 1250 Comment
  CAS-BOT-BC14923  Crepis bakeri Bruce Bartholomew 1991-7-4 5912 Modoc Roney Flat. 1460 Comment
  UC748081  Crepis intermedia Annie M. Alexander and Louise Kellogg 1946-6-28 4865 Modoc Pine Creek Canyon Warner Mountains (mouth, n end of mts.) 1524 Comment
  CAS-BOT-BC14882  Crepis modocensis Alice Eastwood; John Thomas Howell 1940-6-13 8148 Modoc Fandango Pass. Comment
  JEPS89243  Crepis modocensis Lauramay T. Dempster 1961-6-18 1693 Modoc peak just s Cedar Pass Comment
  CAS-BOT-BC14888  Crepis modocensis subsp. subacaulis Bruce Bartholomew 1990-6-17 5356 Modoc 11.3 km N of Buck Creek Ranger Station, a crest of the Warner Mountains. 2130 Comment
  CAS-BOT-BC14913  Crepis modocensis subsp. subacaulis E. S. Willits 1940-5-6 228 Modoc Davis Creek. 1371 Comment
  SEINET7838766 Image available Crepis nana M. Lavin, H. Mozingo 1979-9-8 s.n. Modoc Just W of Leavitt Lake Comment
  CHSC59501  Crepis occidentalis Mary Meyer 1980-5-1 Modoc Sand Creek. 1645 Comment
  CAS-BOT-BC14857  Crepis occidentalis Gordon H. True 1964-6-3 1460 Modoc North fork of Pitt River between Alturas and Goose Lake. 1463 Comment
  HSC28857  Crepis occidentalis subsp. pumila D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19365 Modoc Along the S Fork of the Pit River, ~6 mi. E of Likely. Comment
  RSA164313  Crepis occidentalis subsp. pumila Clare B. Hardham 1961-6-18 7562 Modoc Cedar Pass. 1829 Comment
  SEINET5357775  Cressa truxillensis L. C. Wheeler 1935-9-4 3951 Modoc Goose Lake, McGinty Point 1463 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
  UC1004195  Crocidium multicaule W. A. Weber and Lewis S. Rose 1953-5-22 8451 Modoc 7 mi e Alturas (on road to Cedarville) 1371 Comment
  UC589921  Crypsis vaginiflora Leo Whitney 1935-7-21 3563 Modoc Stone Coal Valley Pitt River 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-BC54147  Cryptantha intermedia E. S. Willits 1940-5-17 260 Modoc Willow Ranch. Comment
  UC24691  Cryptantha intermedia Milo S. Baker 1893-6-20 Modoc Comment
  HSC3625  Cryptantha simulans M. T. Milligan 1965-6-27 360 Modoc 1677 Comment
  HSC75578  Cryptantha simulans G. M. Riegel 1980-7-8 853 Modoc S Warner Mtns. 1739 Comment
  UC711886  Cryptantha torreyana Roxana S. Ferris and Laura Lorraine 1941-8-13 10530 Modoc Patterson Ranger Station, East Creek drainage Warner Mts., Modoc National Forest, East Creek 2164 Comment
  UC71860  Cuscuta subinclusa Mrs. M. H. Manning 1904-8 498 Modoc Joseph Creek Comment
  CAS-BOT-BC54084  Cynoglossum occidentale Bruce Bartholomew 1995-7-30 7043 Modoc Big Valley Mountains N of County Road 94. 1400 Comment
  UC206126  Cynoglossum occidentale Milo S. Baker 1893-1 116 Modoc Taylor Mt. near Marshall's; Bear Valley Comment
  UC24758  Cynoglossum occidentale Milo S. Baker 1893-7-10 Modoc Forestdale Comment
  JEPS101845  Cyperus squarrosus Dean W. Taylor 1990-8-22 11479 Modoc Lookout Road 2.3 miles S of junction with State Highway 139, crossing of a small perennial drainage in Ponderosa Pine Forest 1424 Comment
  CAS-BOT-BC242182  Cypripedium montanum K. Paulson; Robert Paulson 1988-6-19 46 Modoc Field redacted by CAS, contact the data manager for more information 1554 Comment
  UC4451  Cypripedium montanum Milo S. Baker 1893-6-29 Modoc Comment
  HSC970  Cystopteris fragilis M. T. Milligan 1965-6-30 398 Modoc Slopes and ridges E of Jess Valley 1890 Comment
  JEPS35193  Cystopteris fragilis Mary H. Manning 1912-4 Modoc Tule Lake Comment
  UC123017  Cystopteris fragilis Mrs. R. M. Austin June 1894 170 Modoc Emigrant Springs; Lava Beds Comment
  CAS-BOT-BC242493  Danthonia californica Leland S. Smith 1917-7-19 119 Modoc Joseph Creek. 1828 Comment
  RSA504598  Danthonia unispicata Bruce Bartholomew, B. Anderson 1988-6-23 4285 Modoc Widow Valley, 18.0 km W of Day on County Road 94. 1230 Comment
  SD34479  Danthonia unispicata A. A. Beetle 1941-6-29 2834 Modoc Near summit of Mt Adin. 1829 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
  CAS-BOT-BC214749  Dasiphora fruticosa Leland S. Smith 1917-8-6 131 Modoc Benton Meadows 2194 Comment
  HSC80692  Dasiphora fruticosa G. M. Riegel 1979-7-23 575 Modoc S Warner Mtns. 1829 Comment
  JEPS13486  Delphinium Rimo Bacigalupi with G. Thomas Robbins 1955-7-20 5395 Modoc 3.3 mi e Patterson Ranger Sta. (flat at summit of forest road across s end of mts.); Modoc Nat. Forest, Warner Mts. 2225 Comment
  JEPS86085  Delphinium Wayne Roderick 1966-7-23 Modoc Warner Mountains 1981 Comment
  CAS-BOT-BC217340  Delphinium andersonii Elmer Ivan Applegate 1897-5-30 887 Modoc Tule Lake, near Carr Ranch. Comment
  CAS-BOT-BC217344  Delphinium depauperatum Bruce Bartholomew; Barrett Anderson 1989-6-2 4841 Modoc Vicinity of Stough Reservoir, Warner Mountains. 1950 Comment
  CAS-BOT-BC217348  Delphinium depauperatum M. Vasey 1990-6-29 9020 Modoc Along S Emerson Trail, near trailhead. South Warner Wilderness. 2377 Comment
  NY487635  Delphinium depauperatum A. J. Cronquist 1959-6-20 8518 Modoc Cedarville Pass; Warner Mountains between Cedarville and Alturas 1920.2 Comment
  CAS-BOT-BC217308  Delphinium nuttallianum Elmer Ivan Applegate 1932-7-9 7583 Modoc N slope of Bidwell Mountain, Warner Mountains. Comment
  CAS-BOT-BC217323  Delphinium nuttallianum Clare Butterworth Hardham 1961-6-18 7569 Modoc Mountains S of Cedar Pass. North slopes. Comment
  CHSC85135  Delphinium nuttallianum John Dittes; Josephine Guardino 1991-6-1 351 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
  UCSB17309  Delphinium nuttallianum Haller, John 1961-6-25 Modoc Eagleville-Likely road; 0.5 mi W of crest of Warner Mountains; about 3 mi E of Patterson Ranger Station 2286 Comment
  RSA185470  Delphinium nuttallianum Clare B. Hardham 1961-6-18 7569 Modoc Hills 3 miles SE of summit, Cedar Pass, Flowers purple upper petals usually pale. 1829 Comment
  CAS-BOT-BC242483  Deschampsia cespitosa subsp. cespitosa John H. Hatton 1911-6-22 144 Modoc Hoffman Ranch. 1615 Comment
  CAS-BOT-BC242479  Deschampsia danthonioides Roxana Stinchfield Ferris; R. Duthie 1919-6-14 167 Modoc Parker Creek at Modoc National Forest boundary. Comment
  CHSC108014  Deschampsia danthonioides Lowell Ahart; John Dittes 2011-6-22 17550 Modoc On the west side of the road, about 100 yards north of the Pilot Butte Parking Lot, north edge of Ash Creek Floodplain, 1.1 miles (air) south of County Road 87, 7.7 miles (air) west of Adin, 10 miles (air) east of Lookout, Big Valley. 1264 Comment
  UC53589  Deschampsia danthonioides M. S. Baker and Frank Nutting 1894-6-13 Modoc w. shore of Egg Lake Comment
  JEPS68507  Deschampsia elongata Leland S. Smith 1917-7-29 885 Modoc Bog below Bald Mountain 2133 Comment
Read comments
Mar 23 2016
  CAS-BOT-BC58605  Descurainia paradisa Bruce Bartholomew 1994-5-15 6693 Modoc E of Eagleville near the Eagleville Airport, Surprize Valley. 1380 Comment
  CAS-BOT-BC58443  Descurainia sophia E. S. Willits 1940-4-21 186 Modoc Near Stronghold, western Modoc Co. Comment
  CHSC85190  Descurainia sophia John Dittes; Josephine Guardino 1991-6-1 344 Modoc Modoc Plateau; Big Valley; Ash Creek Wildlife Area; ca. 7.7 air-miles northeast of Bieber, ca. 4.0 air-miles west by southwest of Adin, ca. 5.0 air-mile east by southeast of Pilot Butte summit, ca. 0.6 mile east of Walters Road and Owl Barn; meadow at southern edge of Ash Creek Floodplain. 1271 Comment
  CAS-BOT-BC58441  Descurainia sophia Isabelo T. Kelly 1930-1-1 29 Modoc Modoc County. Comment
  RSA520437  Dicentra uniflora Bruce Bartholomew, M. Bourell 1990-4-28 5205 Modoc Top of Hunters Ridge south of Rush Creek 1960 Comment
  CAS-BOT-BC242122  Dichelostemma capitatum subsp. capitatum Bruce Bartholomew 1994-5-14 6680 Modoc NW of Day between Oilar Ranch and Day Rock. 1190 Comment
  CAS-BOT-BC242114  Dichelostemma multiflorum Elmer Ivan Applegate 1929-6-24 5889 Modoc Between Adin and Canby, upper Pit River region. Comment
  CAS-BOT-BC242118  Dichelostemma multiflorum Bruce Bartholomew 1990-6-15 5216 Modoc SW side of of Hunters Ridge, 6.3 km SSE of Hwy 299 on road from Rush Creek. 1640 Comment
  UC1586938  Dichelostemma multiflorum Juha Pykala and D. H. Norris 1987-5-27 1005 Modoc Lower Rush Creek Campground Modoc National Forest 1432 Comment
  SJSU9660  Dieteria canescens var. canescens W. Savage 1979-7-9 1498 Modoc Round Valley, Triangle, Devils Garden District, Modoc National Forest 1493 Comment
  UC190626  Dieteria canescens var. shastensis M. F. Gilman 654 Modoc 1676 Comment
  CAS-BOT-BC14842  Dimeresia howellii Helen Katherine Sharsmith 1955-6-23 4490 Modoc North of State Highway 28 and 6.7 miles east of Cedar Campground 1859 Comment
  CAS-BOT-BC14848  Dimeresia howellii K. Paulson; Robert Paulson 1988-5-24 15 Modoc Granger Canyon, Warner Mts.. 1493 Comment
  CAS-BOT-BC14849  Dimeresia howellii Bruce Bartholomew 1991-5-24 5731 Modoc 2.9 km NE of road between Fort Bidwell and Fee Reservoir on road to Big Mud Lake. 1680 Comment
  JEPS26493  Dimeresia howellii Lauramay T. Dempster 1961-6-18 1700 Modoc 3.2 mi e Cedar Pass (canyon s of highway) 1676 Comment
  SEINET13699968  Diplacus cusickii M. J. Williams 1984-6-30 84- 77 -1 Modoc E side of the Warner Mountains, 2 miles in, Granger Canyon Road (County Road 27) S of Cedarville towards Gerlach, NV. 1951 Comment
  CAS-BOT-BC229912  Diplacus cusickioides G. Dallas Hanna 1958-9-23 s.n. Modoc Cedar Pass. Comment
  SEINET14196640  Diplacus pygmaeus D. M. Thompson 1988-1 927 Modoc S end Egg Lake, between Kramer Reservoir and White Horse-Lookout road, along intermittent stream, 2.3 road miles W of RR crossing. 1300 Comment
  CAS-BOT-BC95630  Dipsacus fullonum Bruce Bartholomew 1995-8-1 7141 Modoc 14.8 km N of turn off to Cedarville on U.S. Hwy 395 and 8 km S of Davis Creek. 1450 Comment
  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-BC247766  Distichlis spicata Bruce Bartholomew 1989-8-11 5059 Modoc Along W side of Goose Lake, 3.5 km S of the Oregon border on National Forest Road 48. 1430 Comment
  SEINET10564495  Distichlis spicata var. stricta Louis C. Wheeler 1935-9-4 Wheeler 3945 Modoc Dry sunny sandy lake bed. McGinty Point, Goose Lake. 1463 Comment
  CAS-BOT-BC218289  Dodecatheon alpinum Bruce Bartholomew 1991-8-5 6033 Modoc Squaw Peak Trail on N side of Squaw Peak, E side of Warner Mts. 2420 Comment
  CAS-BOT-BC218295  Dodecatheon alpinum Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-14 16483 Modoc 6.4 mi. S of Lassen Creek campground along road to Buck Mt. Comment
  JEPS91189  Dodecatheon alpinum Dean Wm. Taylor with Glenn L. Clifton 1989-8-5 10461 Modoc Warner Mountains, steep northeast face Eagle Peak 2880 Comment
  SEINET8552726  Dodecatheon alpinum M. J. Williams 1984-6-29 84- 71 -4 Modoc W side of Warner Mountains, Lily Lake. 2073 Comment
  HSC24628  Dodecatheon conjugens Leo D. Whitney 1935-5-19 3108 Modoc Edge of Hackamore River, near Hackamore Comment
  SD46622  Dodecatheon conjugens Robert J. Weatherby 1955-7-7 1600 Modoc Dismal Swamp, no. Warner Mts. 2240 Comment
  UC748425  Dodecatheon conjugens Annie M. Alexander and Louise Kellogg 1946-6-8 4695 Modoc road from Eagleville to Patterson Mill; road from Eagleville to Patterson Mill 2286 Comment
  UCR87513  Dodecatheon conjugens George K. Helmkamp, E. A. Helmkamp 1993-5-4 87513 Modoc 25.6 miles NW of Canby along Calif. Hwy 139 1280 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-BC218300  Dodecatheon pulchellum Bruce Bartholomew 1995-6-3 6952 Modoc 5.1 km W of Goose Lake on Forest Service Road 73 between Goose Lake and Crowder Flat Road. 1580 Comment
  CAS-BOT-BC95109  Downingia bacigalupii K. Paulson; Robert Paulson 1989-7-2 155 Modoc Between McKay Flat and Howards Gulch. 1447 Comment
  CAS-BOT-BC95110  Downingia bacigalupii Leland S. Smith 1924-6-4 1368 Modoc S side of Egg Lake. Comment
  CAS-BOT-BC95114  Downingia bacigalupii Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-15 16515 Modoc 13 mi. W of Canby along State Hwy 139. Comment
  CAS-BOT-BC95116  Downingia bacigalupii Alice Eastwood; John Thomas Howell 1940-6-14 8224 Modoc 8 mi. NW of Canby. Comment
  CAS-BOT-BC95124  Downingia bacigalupii Bruce Bartholomew 1991-7-4 5896 Modoc S end of Higgins Flat. 1370 Comment
  CAS-BOT-BC95126  Downingia bacigalupii R. M. Austin 1894-8-1 Modoc Goose Lake Valley. Comment
  CHSC109675  Downingia bacigalupii Lowell Ahart; John Dittes 2012-7-10 18322 Modoc Along the sides and bottom of a small 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
  UC187453  Downingia bacigalupii Milo S. Baker 1893-7-25 Modoc near shore of Egg Lake Comment
  UC28971  Downingia bacigalupii Mrs. R. M. Austin 1894-1 Modoc Willow Creek Valley Comment
Read comments
Jul 6 2010
  CAS-BOT-BC95120  Downingia bacigalupii Leland S. Smith 1919-7-1 1136 Modoc Rocky Prairie-Clark's Cattle Camp. Comment
  UC1192032  Downingia bicornuta var. bicornuta Herbert L. Mason and Verne Grant 1947-7-12 13412 Modoc s of Alturas (w side of Pit River Valley); Pit River Valley Comment
  UC28979  Downingia cuspidata Milo S. Baker 1893-6-18 Modoc near Egg Lake shore; Egg Lake Comment
  CAS-BOT-BC95141  Downingia insignis Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-16 16521 Modoc Near Cloverswale Creek, 4.8 mi. NE of Canby. Comment
  JEPS21908  Downingia laeta Herbert L. Mason and Verne Grant 1947-7-11 13369 Modoc s of Alturas (by Jones Lane, off Highway 395) Comment
  CAS-BOT-BC58300  Draba albertina Annie Montague Alexander; L. Kellogg 1946-8-3 5112 Modoc Head of Eagle Creek, Warner Mts. Comment
  UC190593  Draba densifolia M. F. Gilman 505 Modoc Mts. 1981 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
  UCR87265  Draba verna George K. Helmkamp, E. A. Helmkamp 1993-5-4 s.n. Modoc 16.1 miles NW of Canby along Calif. Hwy 139 1280 Comment
  UC1594774  Drymocallis David Charlet 1989-8-15 500 Modoc 1 km nw Eagle Peak; South Warner Mountains, nw of Eagle Peak 2550 Comment
  CAS-BOT-BC214765  Drymocallis glandulosa Leland S. Smith 1918-8-17 1036 Modoc Eagle Peak Ridge above Emerson. 2621 Comment
  CAS-BOT-BC214769  Drymocallis glandulosa Bruce Bartholomew 1990-6-16 5254 Modoc Between roadhead and Pine Creek Basin, W side of Warner Mountains. 2130 Comment
  CAS-BOT-BC214770  Drymocallis glandulosa Bruce Bartholomew; Barrett Anderson 1990-7-19 5416 Modoc Top of Hunters Ridge S of Rush Creek. 1960 Comment
  POM172481  Drymocallis glandulosa var. glandulosa Franklin Nutting 1894-6-13 s.n. Modoc W side of Egg Lake Comment
  JEPS47207  Drymocallis glandulosa var. reflexa Frances D. Payne 1931-6-18 190 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  CHSC109515  Drymocallis lactea var. lactea L. P. Janeway; B. Castro 2012-7-25 10990 Modoc Warner Mountains. Slope along north side of Dismal Swamp. 2216 Comment
  JEPS120526  Drymocallis lactea var. lactea L. P. Janeway, B. Castro 2012-7-24 10959 Modoc Warner Mountains. Along Forest Road / county Raod 2 (the road from new Pine Creek to Fort Bidwell) 1.4 air km east of Lily Lake and 1.8 air km southwest of Dismal Swamp. Comment
  HSC1028  Dryopteris expansa R. C. Wunner 1965-8-31 495 Modoc Lava Beds National Monument, Fern Cave entrance. Comment
  CAS-BOT-BC14803  Dugaldia hoopesii Annie Montague Alexander; L. Kellogg 1946-8-3 5114 Modoc Head of Eagle Creek, Warner Mountains Comment
  UCD60818  Echinochloa crus-galli L. Whitney 1935-7-6 3435 Modoc Pit River near Lookout. Comment
  CHSC116192  Elatine Lowell Ahart; John Dittes 2015-7-15 20351 Modoc On the east side of Elkins Lane, about 200 yards northeast of the Parking Area, northwest of the old barn, Ask Creek State Wildlife Area, about 3.9 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  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
  CHSC117249  Elatine californica Lowell Ahart; John Dittess 2016-7-16 21245 Modoc Strand of the second pond, south of Ash Creek Canal (now filled in), south of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.75 miles (air) west of Adin, Big Valley. 1273 Comment
  CHSC117369  Elatine californica Lowell Ahart; John Dittes 2016-7-14 21211 A 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
  POM312317  Elatine rubella Verne Grant, Irving Schneider, Grant 1947-7-29 8180 Modoc Fitzhugh Creek, near Payne Reservoir, south of Alturas. Comment
  UC1101550  Elatine triandra Herbert L. Mason 1947-8-8 13465 Modoc nw Alturas (sw margin of Big Sage Reservoir) Comment
  POM313053  Eleocharis bella H. L. Mason 1947-8-13 13526 Modoc Northeast side of F reservoir, north of Canby Comment
  RSA577446  Eleocharis palustris L. C. Wheeler 1935-9-1 3935 Modoc Pine Spring, Devil s Garden. 1524 Comment
  UC1100131  Elodea canadensis Verne Grant and Irving Schneider 1947-8-28 8348 Modoc about 3.5 mi downstream Canby (Pit River, at entrance to gorge); Pit River Comment
  UC70405  Elodea canadensis Milo S. Baker 1899-8-12 Modoc Egg Lake Comment
  RSA210838  Elodea nuttallii Robert F. Thorne, J. Henrickson, C. W. Tilforth 1969-9-4 39130 Modoc N Fork of Pit River 3.4 mi N of Alturas where crossed by Highway 395. 1341 Comment
  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
  CAS-BOT-BC247719  Elymus X saundersii Bruce Bartholomew 1989-8-11 5105 Modoc Vicinity of Patterson Ranger Station, S end of Warner Mountains. 2160 Comment
  HSC65335  Elymus cinereus J. P. Smith, J. O. Sawyer 1973-8-9 7284 Modoc Blue Lake, Modoc Natl. Forest 1829 Comment
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Jul 11 2013
  UCD61554  Elymus elymoides L. D. Whitney 1935-7-5 Modoc Hackamore. Comment
  UCD61567  Elymus elymoides L. D. Whitney 1935-7-11 Modoc Base of Glass Mt. Comment
  CAS-BOT-BC247746  Elymus elymoides subsp. elymoides Clare Butterworth Hardham 1961-6-20 7871 Modoc Pine Creek. Comment
  CAS-BOT-BC247750  Elymus elymoides subsp. elymoides John Thomas Howell 1934-7-1 12324 Modoc Duncan Horse Camp. 1355 Comment
  CAS-BOT-BC247754  Elymus elymoides subsp. elymoides Leland S. Smith 1922-7-20 1298 Modoc Rush Creek Ranger Station. 1905 Comment
  JEPS74072  Elymus elymoides subsp. elymoides Frances D. Payne 1932-7-3 590 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  UC1024963  Elymus elymoides subsp. elymoides Leo Whitney 1935-7-6 3448 Modoc near Lookout; Pit River Comment
  HSC10178  Elymus elymoides var. elymoides M. T. Milligan 1966-6-28 479 Modoc Volcanic plateau W of Jess Valley. 1829 Comment
  CAS-BOT-BC247739  Elymus glaucus Bruce Bartholomew 1990-8-5 5682 Modoc Summit Trail, ca. 4 km N of Patterson Ranger Station, W side of Warner Mts. 2470 Comment
  UC1024969  Elymus glaucus Leo Whitney 1935-7-6 3436 Modoc Crank Springs Comment
  JEPS68562  Elymus glaucus subsp. glaucus Leland S. Smith 1918-8-11 1021 Modoc Camp One Lost Lake Trail (T38-16) 2438 Comment
  JEPS73993  Elymus glaucus subsp. glaucus Frances D. Payne 1932-7-18 705 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 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
  UCD62454  Elymus multisetus Leo Whitney 1934-5-19 3044 Modoc Devil's Garden, Modoc National Forest, northeast portion of county. 1524 Comment
  RSA185237  Elymus trachycaulus subsp. trachycaulus Jack Reveal 1963-7-21 582 Modoc Along the edges of Wet Meadow Comment
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Jul 6 2013
  RSA603848  Elymus trachycaulus subsp. trachycaulus L. C. Wheeler 1935-8-4 3780 Modoc Dry Lake, Pine Creek. Warner Mts. 2104 Comment
  HSC8754  Elymus trachycaulus subsp. trachycaulus M. T. Milligan 1964-8-8 221 Modoc 3 miles W of Alturas on Modoc County Rd. 54A at Rifle Range. 1372 Comment
  CHSC85415  Elytrigia intermedia John Dittes; Josephine Guardino 1991-7-21 437 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
  JEPS117500  Elytrigia pontica subsp. pontica Lowell Ahart, John Dittes 2010-8-31 17119 Modoc East side of Elkins Lane, about 20 yards south of the bridge across Ash Creek, Ash Creek State Wildlife Area, 4215 feet north of Lassen County Line, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley 1267 Comment
  CAS-BOT-BC217289  Enemion stipitatum Bruce Bartholomew 1995-5-12 6898 Modoc NE side of Day Rock above Little Hot Spring Valley. 1310 Comment
  SEINET12087293  Enemion stipitatum M. S. Baker 1896-1 s.n. Modoc no further locality Comment
  HSC1305  Ephedra viridis W. R. Rogers 1965-4-25 294 Modoc Hwy. 395 3 mi. W of Susanville Comment
  CAS-BOT-BC191034  Epilobium angustifolium subsp. circumvagum Bruce Bartholomew 1994-7-1 6763 Modoc Turner Creek on Forest Service rd. 42N21. 1400 Comment
  CAS-BOT-BC191038  Epilobium angustifolium subsp. circumvagum Bruce Bartholomew 1989-8-11 5071 Modoc Along Lassen Creek near SE side of Harris Flat, Warner Mountains. 1920 Comment
  CAS-BOT-BC191022  Epilobium brachycarpum Bruce Bartholomew 1991-6-21 5799 Modoc 1.6 km S of Davis Creek on U.S. Hwy 395. 1450 Comment
  CAS-BOT-BC191027  Epilobium brachycarpum Verne Grant; I. Schneider 1947-8-27 8308 Modoc 10 mi. S of Tule Lake. Comment
  CAS-BOT-BC191030  Epilobium brachycarpum Bruce Bartholomew; Barrett Anderson 1990-7-21 5589 Modoc Bear Flat, W side of Warner Mts. Ranger Station, E side of Warner Mts. 1830 Comment
  HSC65613  Epilobium brachycarpum Thomas Wood 1979-8-10 249 Modoc About 1 mi. S of Ft. Bidwell along Co. Hwy. 1, where road turns W 1372 Comment
  RSA210883  Epilobium brachycarpum Robert F. Thorne, J. Henrickson, C. W. Tilforth 1969-9-4 39069 Modoc Near old margin of Goose Lake, SW shore of Goose Lake N of McGinty Point 1433 Comment
  SD135585  Epilobium brachycarpum B. Bartholomew 1991-6-21 5799 Modoc 1.6 km South of Davis Creek on U.S. Highway 395. 1449 Comment
  UC1191737  Epilobium brachycarpum Verne Grant and Irving Schneider 1947-8-27 8308 Modoc about 10 mi s Tulelake; Modoc National Forest Comment
  UCR77775  Epilobium brachycarpum B. Bartholomew 1991-6-21 5799 Modoc 1.6 km south of Davis Creek on U.S. Hwy 395. 1450 Comment
  RSA462344  Epilobium brachycarpum Harlan Lewis, M. Lewis 1958-8-10 1227 Modoc U.S. Highway 395, Goose Lake Valley Comment
  UC1191616  Epilobium campestre Herbert L. Mason and Verne Grant 1947-7-10 13329 Modoc 2 miles e Alturas; Dorris Reservoir Comment
  SBBG126106  Epilobium campestre L. Ahart, J. Dittes 2010-8-30 17058 Modoc sides of a small wash, ca. 10 yards E of the fence, S edge of the meadow, Ash Crk State Wildlife Area, 2,300 feet N of Lassen County Line, ca. 3.6 mi (air) W of Adin, ca. 8.0 mi (air) NE of Bieber, Big Valley 1267 Comment
  CAS-BOT-BC190994  Epilobium ciliatum subsp. ciliatum Robert Folger Thorne; et al 1969-9-3 39023 Modoc SE end of Tule Lake Sump, 0.5 mi N of turnoff to Lava Beds National Monument. 1264 Comment
  CHSC117497  Epilobium ciliatum subsp. ciliatum Lowell Ahart; John Dittes 2016-7-14 21178 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
  UC1191716  Epilobium ciliatum subsp. ciliatum Herbert L. Mason 1947-8-13 13522 Modoc ne side F Reservoir (n of Canby) Comment
  CAS-BOT-BC497313  Epilobium ciliatum subsp. ciliatum Belknap C. Goldsmith 1912-8-6 83 Modoc West side of Goose Lake 1463 Comment
  CAS-BOT-BC190980  Epilobium ciliatum subsp. glandulosum K. Paulson; Robert Paulson 1989-7-14 186 Modoc Vicinity of Cave Lake, N end of the Warner Mts. 1987 Comment
  CAS-BOT-BC190984  Epilobium ciliatum subsp. glandulosum Elmer Ivan Applegate 1932-8-7 8243 Modoc Lily Lake. Comment
  CAS-BOT-BC190988  Epilobium ciliatum subsp. glandulosum Bruce Bartholomew; Barrett Anderson 1988-7-21 4466 Modoc Vicinity of Patterson Campground, southern end of the Warner Mts. 2190 Comment
  CAS-BOT-BC190990  Epilobium ciliatum subsp. glandulosum Leland S. Smith 1917-8-3 148 Modoc South Fork Davis Creek. 2133 Comment
  RSA8243  Epilobium ciliatum subsp. glandulosum Elmer I. Applegate 1932-8-7 8243 Modoc Lily Lake, Bidwell Pass, Warner Mountains Comment
  UCD106298  Epilobium densiflorum Herbert L. Mason 1947-8-11 13495 Modoc On Highway 81, west margin of Lower Lake, near boundary between Lassen and Modoc counties. Comment
  SEINET188698  Epilobium glaberrimum subsp. fastigiatum Bud Fuller 1936-7-10 57 Modoc 15 miles NE Alturas 1524 Comment
  CAS-BOT-BC190963  Epilobium hallianum Bruce Bartholomew 1992-8-7 6360 Modoc Meadow 2.3 km W of West Warner Road at Soup Creek, W side of Warner Mountains. 1720 Comment
  CAS-BOT-BC498682  Epilobium hornemannii C. L. Hitchcock 1940-5-27 6710 Modoc 15 miles NE of Alturas 1615 Comment
  NY1000404  Epilobium hornemannii var. hornemannii B. M. Bartholomew 1994-7-2 6820 Modoc Mill Creek northeast of Bald Mountain, east side of Warner Mountains 2040 Comment
  CAS-BOT-BC190951  Epilobium obcordatum Francis Marion Ownbey; Frederick Gustav Meyer 1940-7-1 2157 Modoc Near cummit of Cedar Peak, Warner Mts. Comment
  UC71667  Epilobium obcordatum Mrs. M. H. Manning 1903-8-27 347 Modoc just below summit (ne Modoc Co.); Mt. Bidwell Comment
  UC748354  Epilobium obcordatum Annie M. Alexander and Louise Kellogg 1946-7-23 5050 Modoc Emerson Peak Warner Mountains (below cliff, ne) Comment
  CAS-BOT-BC190943  Epilobium oregonense Bruce Bartholomew; Barrett Anderson 1990-7-21 5582 Modoc Homestead Flat, ca. 2.5 km E of Patterson Ranger Station, E side of Warner Mts. 2160 Comment
  CAS-BOT-BC190873  Epilobium pygmaeum John Thomas Howell 1934-7-2 12351 Modoc Morvitz Creek, 1 mi. S of Clear Lake. Comment
  CAS-BOT-BC190928  Epilobium pygmaeum D. M. Moore 1960-6-4 122 Modoc Creek flowing into Pit River and crossing Adin Rd. E of Lookout. Comment
  UCR150482  Epilobium saximontanum David A. Charlet 1989-8-14 475 Modoc Warner Mtns, 1.4 km NW of Eagle Peak 2550 Comment
  CAS-BOT-BC190857  Epilobium torreyi Arnold Tiehm 1984-7-30 8828 Modoc 8.9 road mi. NE of Ft. Bidwell on the main road to Adel, just past the road summit. 1615 Comment
  CAS-BOT-BC30177  Equisetum laevigatum Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-13 16451 Modoc Wet meadow at southern outskirts of Fort Bidwell. Comment
  CAS-BOT-BC30183  Equisetum laevigatum Bruce Bartholomew; Barrett Anderson 1988-7-21 4435 Modoc Vicinity of Lower Rush Creek Campground ca. 1 km E of State Highway 299 between Adin and Canby. 1430 Comment
  CHSC106207  Eragrostis pectinacea var. pectinacea Lowell Ahart; John Dittes 2010-8-31 17092 Modoc On the west side of Walters Road, 4235 feet south of Modoc County Line, about 4.3 miles (air) south-southwest of Adin, about 7.0 miles (air) northeast of Bieber, Big Valley. 1276 Comment
  CAS-BOT-BC95475  Eremogone aculeata Bruce Bartholomew 1991-6-21 5811 Modoc 4 km S of Forest Service road 73 on road to Rim Rock Valley. 1570 Comment
  CAS-BOT-BC95480  Eremogone aculeata M. M. Hanna 1956-6-4 s.n. Modoc Lava Mesa along highway, Cedar Pass to Cedarville. Comment
  CAS-BOT-BC95484  Eremogone aculeata Leland S. Smith 1917-6-10 33 Modoc Jess Valley. 1524 Comment
  CAS-BOT-BC95486  Eremogone aculeata Elmer Ivan Applegate 1932-7-9 7600 Modoc N slope of Bidwell Mountain, Warner Mts. Comment
  CHSC100849  Eremogone aculeata L. P. Janeway 2008-8-17 9564 Modoc Warner Mountains. North slope of Bald Mountain; just below the cliffs at the top of the peak. 2409 Comment
  CHSC100861  Eremogone aculeata L. P. Janeway; B. Castro 2008-8-17 9572 Modoc Warner Mountains. North slope of Bald Mountain; just below the cliffs at the top of the peak. Near moist bed of small rocky drainage channel. Dry edge of the drainage. 2372 Comment
  HSC80715  Eremogone aculeata G. M. Riegel 1980-7-24 583 Modoc S Warner Mtns. 1829 Comment
  CAS-BOT-BC95465  Eremogone congesta Alice Eastwood; John Thomas Howell 1940-6-11 8005 Modoc 6 mi. NE of Adin on road to Canby. Comment
  SJSU9535  Eremogone congesta var. subcongesta W. Savage 1979-7-3 1272 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  RSA608600  Ericameria bloomeri L. C. Wheeler 1935-9-9 3960 Modoc Devils Garden: 1 mile NE of South Mountain 1524 Comment
  RSA606145  Ericameria greenei L. C. Wheeler 1935-8-14 3854 Modoc Lily Lake, Pine Creek, Warner Mts. 2134 Comment
  UC71566  Ericameria greenei Mrs. M. H. Manning 1903-8-21 298 Modoc Warner Range Warner Range (ne Modoc County) Comment
  UC195526  Ericameria nauseosa var. speciosa B. C. Goldsmith 1910-1-1 Modoc Alturas Comment
  UCD131549  Ericameria parryi var. nevadensis Louis C. Wheeler 1973-8-26 s.n. Modoc Warner Mountains: 1.5 mile north of Sworinger Reservoir. 1767 Comment
  CAS-BOT-BC42830  Erigeron austiniae B. J. Cox; P. Gillian 1971-6-3 2612 Modoc 6 mi. N of Alturas on Hwy 395. 1341 Comment
  CAS-BOT-BC42836  Erigeron austiniae Gordon H. True 1964-6-3 1458 Modoc N Fork Pit River between Alturas and Goose Lake. 1463 Comment
  SEINET11841740  Erigeron bloomeri A. Seneres, Harold, N. 1983-1 113 Modoc Plum Valley Camp 1684 Comment
  CAS-BOT-BC42807  Erigeron bloomeri var. bloomeri M. M. Hanna 1956-6-3 s.n. Modoc Hiway between Alturas & Cedarville, Calif. Comment
  HSC28523  Erigeron bloomeri var. bloomeri D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19386 Modoc Along Hager Basin Rd. near Big Sage Reservoir. Comment
  UC1036001  Erigeron bloomeri var. bloomeri Helen K. Sharsmith 1955-6-22 4482 Modoc just n Cedar Pass (on exposed, steep slope); Modoc National Forest, Warner Mountains 1889 Comment
  UC748389  Erigeron compositus Annie M. Alexander and Louise Kellogg 1946-8-1 5103 Modoc crest of divide Eagle Peak 3019 Comment
  CAS-BOT-BC42778  Erigeron divergens Milo Samuel Baker; Franklin P. Nutting 1894-1-1 s.n. Modoc unspecified Comment
  JEPS5927  Erigeron divergens Frances D. Payne 1931-6-18 195 Modoc Parker Creek watershed Warner Mountains 1584 Comment
  UC748101  Erigeron divergens Annie M. Alexander and Louise Kellogg 1946-6-4 4658 Modoc in pasture in back of town Eagleville Comment
  CAS-BOT-BC42751  Erigeron eatonii var. plantagineus Bruce Bartholomew 1993-6-14 6677 Modoc Open moist flat SW of Stovepipe Flat Tank just N of road between Deer Hill and Duncan Reservoir. 1530 Comment
  CAS-BOT-BC42753  Erigeron eatonii var. plantagineus Mrs. H. C. Cantelow 1940-6-2 3244 Modoc Road to Lava Beds Nat. Monument, 10 mi. W of Canby. Comment
  CHSC118843  Erigeron eatonii var. plantagineus L. P. Janeway 2014-7-8 11475 Modoc Modoc Palteau. East corner of Dry Creek Rim; along Road 47N08 (Corral Creek Road) 5.1 road-km north-northwest of Road 48 (along the west edge of Goose Lake). 1759 Comment
  UC711883  Erigeron eatonii var. plantagineus Roxana S. Ferris and Laura Lorraine 1941-8-14 10585 Modoc 3 mi from Patterson Ranger Station (on road to Eagleville); Warner Mountains, Modoc National Forest Comment
  UC87676  Erigeron eatonii var. plantagineus Mrs. R. M. Austin June 1894 Modoc Lava Beds Comment
  CAS-BOT-BC42769  Erigeron elegantulus Alice Eastwood; John Thomas Howell 1940-6-14 8238 Modoc Between Mammoth Cave and Lava Beds Nat. Mon. Comment
  RSA245024  Erigeron elegantulus D. H. Norris, Nelson, Dowty 1971-6-23 s.n. Modoc along the South fork of the Pit River, about 6 miles east of Likely Comment
  UC748397  Erigeron filifolius Annie M. Alexander and Louise Kellogg 1946-7-17 4999 Modoc South Fork Davis Creek Warner Mountains, South Fork Davis Creek 1676 Comment
  CAS-BOT-BC42772  Erigeron filifolius Annie Montague Alexander; L. Kellogg 1946-6-18 4790 Modoc Patterson Mill Road. Comment
  RSA26265  Erigeron filifolius Alice Eastwood, John Thomas Howell 1940-6-14 8243 Modoc Between Mammoth Cave and Lava Beds National Monument. Comment
  CAS-BOT-BC49614  Erigeron glacialis var. glacialis Elmer Ivan Applegate 1932-8-7 8238 Modoc Lily Lake, Bidwell Pass, Warner Mountains Comment
  CAS-BOT-BC49620  Erigeron glacialis var. glacialis Bruce Bartholomew; Barrett Anderson 1988-7-23 4581 Modoc Dismal Swamp, Warner Mts.. 2180 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
  CAS-BOT-BC49616  Erigeron glacialis var. glacialis Leland S. Smith 1917-7-20 116 Modoc Cedar and Bald Mts, top of ridge 2499 Comment
  UC468830  Erigeron glacialis var. glacialis M. F. Gilman 522 Modoc Comment
  SJSU9690  Erigeron inornatus var. inornatus W. Savage 1979-7-24 1559 Modoc Long Meadow Unit, Devils Garden District, Modoc National Forest 1615 Comment
  CAS-BOT-BC49602  Erigeron linearis Elmer Ivan Applegate 1929-6-24 5891 Modoc Betweeen Alturas and Davis Creek. Comment
  CAS-BOT-BC49608  Erigeron linearis Francis Dorris Payne 1929-6-19 10 Modoc Parker Creek, Warner Mtns. 1584 Comment
  CAS-BOT-BC49610  Erigeron linearis John Thomas Howell 1934-6-12 12007 Modoc Between Davis Creek and Plum Valley. Comment
  CAS-BOT-BC49641  Erigeron linearis Alice Eastwood; John Thomas Howell 1940-6-12 8083 Modoc Jess Valley. Comment
  CHSC118316  Erigeron linearis L. P. Janeway 2016-5-17 12032 Modoc Devils Garden area; along Road 43N18 just east of Porcupine Rim; about 4.0 air-km west of Big Sage Reservoir. 1555 Comment
  UC748380  Erigeron linearis Annie M. Alexander and Louise Kellogg 1946-8-9 5137 Modoc Patterson Lake Trail Warner Mountains, Patterson Lake Trail Comment
  CAS-BOT-BC49643  Erigeron linearis R. M. Austin 1894-6-1 s.n. Modoc Lava beds W of Willow Creek. Comment
  SD5435  Erigeron linearis Mrs. R. M. Austin Unknown Modoc New Pine Creek Comment
Read comments
Jul 11 2010
  UC1035993  Erigeron linearis Helen K. Sharsmith 1955-6-23 4492 Modoc 6.7 mi e Cedar Campground (just s of State Highway 29); Warner Mountains, Modoc National Forest 1859 Comment
  UC1735880  Eriogonum caespitosum Dean W. Taylor 1987-6-27 9111 b Modoc Warner Mountains, head upper South Deep Creek, 2194 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-BC197815  Eriogonum heracleoides var. heracleoides Bruce Bartholomew; Barrett Anderson 1990-7-20 5483 Modoc 10.3 km N of Buck Creek Ranger Station, crest of Warner Mountains W side of Warner Mts. 2130 Comment
  UC711881  Eriogonum microthecum var. ambiguum Roxana S. Ferris and Laura Lorraine 1941-8-14 10607 Modoc about 10 mi on Eagleville road Patterson Ranger Station; Modoc National Forest, Warner Mountains Comment
  CAS-BOT-BC211404  Eriogonum nudum var. pubiflorum Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16640 Modoc 4 mi. E of Summit of Cedar Pass road. Comment
  CAS-BOT-BC211408  Eriogonum nudum var. pubiflorum Bruce Bartholomew; Barrett Anderson 1988-7-23 4556 Modoc Road beyond Poison Lake ca. 8 km S of the road from U.S. Highway 395 to Lily Lake, Warner Mts.. 2140 Comment
  CHSC109206  Eriogonum nudum var. pubiflorum L. P. Janeway; B. Castro 2012-7-24 10969 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
  CHSC117363  Eriogonum nudum var. pubiflorum Lowell Ahart; John Dittes 2016-7-14 21188 Modoc About 30 yards west of the Fishing Access Sign, south side of a poor dirt road, About 1/8 mile south of Ash Creek, Ash Creek State Wildlife Area, 1 mile (air) south of County Road 87, 1.7 miles (air) southwest of Adin, Big Valley. 1276 Comment
  NY762339  Eriogonum nudum var. pubiflorum N. H. Holmgren 1964-8-21 1717 Modoc Warner Range, Modoc National Forest, about 5 miles southwest of Eagleville on the Eagleville-Likey Road Comment
  RSA216054  Eriogonum nudum var. pubiflorum J. L. Gentry Jr., Earl Jensen Jr. 1968-7-4 2114 Modoc 3.9 miles west of Highway junction California 139 and California 299, on California 299 at Pit River. 1341 Comment
  UC711834  Eriogonum nudum var. pubiflorum Roxana S. Ferris and Laura Lorraine 1941-8-13 10574 A Modoc Patterson Ranger Station (East Creek Drainage) Warner Mountains, Modoc National Forest 2164 Comment
  UC77614  Eriogonum nudum var. pubiflorum Mrs. R. M. Austin Aug. 1884 Modoc Goose Lake Valley Comment
  UCD100708  Eriogonum nudum var. pubiflorum Richard R. Halse 2004-7-22 6671 Modoc along US Hwy 395, 6 miles north of Alturus. 1341 Comment
  SJSU12037  Eriogonum nudum var. pubiflorum E. S. O'Neill 1984-9-11 Modoc near Odin 1371 Comment
  UC412792  Eriogonum nudum var. pubiflorum M. F. Gilman 504 Modoc Comment
  UC1567366  Eriogonum ovalifolium var. nivale G. Schoolcraft 1989-7-16 1957 Modoc e Patterson Lake; Warner Mtns. 2804 Comment
  CAS-BOT-BC218195  Eriogonum prociduum Bruce Bartholomew 1992-8-9 6397 Modoc Summit Trail, upper region of Pine Creek Basin, W side of Warner Mountains. 2680 Comment
  JEPS56563  Eriogonum prociduum Frances D. Payne 1931-6-29 280 Modoc Trail from Granger Pass to Mt. Warren; Warner Mountains 2438 Comment
  CAS-BOT-BC211400  Eriogonum pusillum Bruce Bartholomew 1993-6-13 6612 Modoc Near the Nevada border, E of Eagleville, Surprise Valley. 1510 Comment
  NY283068  Eriogonum spergulinum var. reddingianum J. T. Howell 1934-6-14 12123 Modoc Near Lost Lake, Warner Mountains 2438.4 Comment
  NY283098  Eriogonum sphaerocephalum M. J. Williams 1983-9-13 83153- 2 Modoc 1.6 miles beyond campground on Stowe Reservoir road, north of Cedar Pass road, Warner Mountains. 2011.7 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
  CAS-BOT-BC211386  Eriogonum sphaerocephalum var. halimioides A. D. Borden Modoc S of Shields Creek. Comment
  RSA64614  Eriogonum sphaerocephalum var. halimioides F. W. Peirson 1926-7-25 6859 Modoc Cedarville Rd. west slope of Warner Mts. Comment
  UC1483805  Eriogonum sphaerocephalum var. halimioides G. Schoolcraft 1979-6-15 63 Modoc 4 mi n Hwy. 299 (on e side of Hwy. 395) 1402 Comment
  UC190614  Eriogonum sphaerocephalum var. halimioides M. F. Gilman 572 Modoc 1981 Comment
  CAS-BOT-BC211353  Eriogonum strictum subsp. anserinum Louis Cutter Wheeler 1935-8-5 3790 Modoc Pine Creek, Warner Mts. 2377 Comment
  CHSC67377  Eriogonum strictum var. anserinum James D. Jokerst 1986-8-10 2750 Modoc Radar Survey Site S of Doublehead Mtn., ca. 400 m NE of a NW-SE-oriented fence and road. 1341 Comment
  UC1035865  Eriogonum strictum var. anserinum Annie M. Alexander and Louise Kellogg 1946-7-11 4971 Modoc ne corner of mesa w Eight Mile Creek Comment
  CAS-BOT-BC211326  Eriogonum umbellatum Mona Bourell; Robert Patterson 1993-8-14 5226 Modoc Patterson Lake. South Warner Wilderness Area. Warner Mountains. 2743 Comment
  CAS-BOT-BC211372  Eriogonum umbellatum M. Vasey 1990-6-30 9064 Modoc Along County Road 95 in dried wetland nort of road near Egg Lake. 1500 Comment
  SBBG30656  Eriogonum umbellatum D. Myrick 1968-6-20 1962 Modoc E edge of Alturas 1332 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
  CHSC63413  Eriogonum umbellatum var. glaberrimum V. H. Oswald; Beth Corbin, Mike Dolan, Allison Sanger 1994-7-9 6373 Modoc Dismal Swamp ca. 6 mi (air) E of Hwy. 395, just S of the Oregon border. Scattered plants on a dry outcrop above a large meadow along Dismal Creek. 2218 Comment
  CHSC14172  Eriogonum umbellatum var. modocense K. R. Stern; D. B. Joley, J. G. Geschke 1974-6-23 5846 Modoc S side of Hwy. 139, between Canby and Hackamore. Comment
  NY399206  Eriogonum umbellatum var. modocense R. J. Weatherby 1955-7-8 1633 Modoc Northern Juniper Woodland. 3 miles north or Fort Bidwell, Warner Mountains. 1554.5 Comment
  UC1540182  Eriogonum umbellatum var. modocense Dean Wm. Taylor, Glenn L. Clifton, Rexford E. Palmer 1987-8-9 9274 Modoc Dry Lake 1341 Comment
  UCR55660  Eriogonum umbellatum var. modocense G. R. Ballmer 1988-7-21 s.n. Modoc Warner Mtns., Warner Mountains, Bidwell Mountain, c. 3 mi. south of Oregon border in extreme NE corner of state Comment
  RSA420579  Eriogonum umbellatum var. modocense Christopher Davidson 1973-5-26 2144 Modoc 1 mile N of Adin Summit on St. Hwy 299; Modoc Nat'l Forest 1524 Comment
  CAS-BOT-BC197783  Eriogonum umbellatum var. nevadense Elmer Ivan Applegate 1932-8-1 7996 Modoc N of Mill Creek Meadows, Warner Mts. Comment
  RSA339147  Eriogonum umbellatum var. nevadense Margaret J. Williams 1984-7-1 s.n. Modoc NW of Alturas, Crowder Flat Rd., near Big Sage Rservoir. 1372 Comment
  CAS-BOT-BC197608  Eriogonum umbellatum var. polyanthum Elmer Ivan Applegate 1932-8-5 8176 Modoc Arid summit of Cedar Mountain, Warner Mts. Comment
  CAS-BOT-BC197623  Eriogonum umbellatum var. polyanthum Margaret J. Williams; et al 1988-5-30 88- 26 -2 Modoc Jess Valley, E of Likely, S of roadside rest. Comment
  CAS-BOT-BC197779  Eriogonum umbellatum var. polyanthum Bruce Bartholomew 1989-7-15 5017 Modoc Manzanita Lookout, top of Manzanita Mountain. 2130 Comment
  RSA78910  Eriogonum umbellatum var. polyanthum E. K. Balls, Percy C. Everett 1952-10-10 18151 Modoc Above S. Fk. Public Camp, 8 mi. E. of Likely on road to Jess Valley. 1555 Comment
  RSA601665  Eriogonum umbellatum var. stellatum Louis C. Wheeler 1935-8-3 3773 Modoc Pine Creek 1951 Comment
  CAS-BOT-BC197600  Eriogonum vimineum Barrett Anderson 1986-7-9 3162 Modoc Warner Mts, County Rd. 195 just E of Cedar Pass. 1785 Comment
  CAS-BOT-BC197604  Eriogonum vimineum Margaret J. Williams 1983-9-13 83- 150 -2 Modoc Near Hwy 299, just east of Adin. 1539 Comment
  CHSC85427  Eriogonum vimineum John Dittes; Josephine Guardino 1991-8-24 460 Modoc Modoc Plateau; Warner Mountains; west slope, ca. 8.2 air-miles east of Goose Lake, ca. 2.3 air-miles south of Dismal Swamp, ca. 1.6 air-mile west of Bidwell Mtn.; edge of Highgrade Road. 2087 Comment
  RSA165635  Eriogonum vimineum Clare B. Hardham 7836 Modoc Davis Creek 1677 Comment
  SBBG18303  Eriogonum vimineum C. B. Hardham 1961-6-19 7836 Modoc Davis Crk 1676 Comment
  UC71868  Eriogonum vimineum Mrs. M. H. Manning 1904-7 234 Modoc near Fort Bidwell Comment
  HSC45971  Eriophorum gracile J. P. Smith, J. O. Sawyer 1973-8-9 7279 Modoc Blue Lake, Modoc Natl. Forest 1829 Comment
  CAS-BOT-BC49598  Eriophyllum lanatum Mrs. H. C. Cantelow 1940-6-1 3239 Modoc Warner Mountains, Cedar Pass, E of Alturas Comment
  CAS-BOT-BC49599  Eriophyllum lanatum Gordon H. True 1964-6-3 1461 Modoc North Fork Pit River between Alturas and Goose Lake. 1463 Comment
  UCR92626  Eriophyllum lanatum Kathy Harper, D. Karr 1994-6-16 s.n. Modoc Modoc Plateau, near Spaulding Lake, along Calif. Hwy 139, c. 15 mi. south of Tionesta Road, NW of Canby near Hackamore 1160 Comment
  RSA647565  Eriophyllum lanatum var. achilleoides Marion P. Harthill 1972-6-17 846 Modoc Cedar Pass 1921 Comment
  CHSC117364  Erodium cicutarium Lowell Ahart; John Dittes 2016-7-14 21173 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-BC180084  Erodium cicutarium Lindsay Stuart Smith; E. H. Steffen 1917-5-26 10 Modoc West Valley Camp. 1554 Comment
  HSC8477  Erodium cicutarium D. M. Thomson 1965-7-18 153 Modoc Lava Beds N.M., North boundry Rd., near Canbys Cross. Comment
  NY1101520  Erodium cicutarium M. J. Williams 1988-6-2 88- 27 --2 Modoc Hwy 395, 0.4 mile east of Susanville road after turn to Alturas Comment
  JEPS16996  Eryngium alismifolium M. S. Baker and Franklin P. Nutting 1894-8-30 Modoc Egg Lake Comment
  JEPS94079  Eryngium alismifolium Vernon H. Oswald and Lowell Ahart 1998-9-8 9599 Modoc ca. 20 air mi. n. McArthur (Mosquito Lake on the n. side of Whitehorse Flat Reservoir); Whitehorse Flat Reservoir, Mosquito Lake 1341 Comment
  UC1051434  Eryngium articulatum Herbert L. Mason 1955-8-14 14650 Modoc s. end Goose Lake Comment
  POM126828  Eryngium articulatum M. S. Baker s.n Modoc [No locality information on label] Comment
  CAS-BOT-BC58328  Erysimum capitatum var. capitatum M. M. Hanna 1956-6-7 Modoc East side, Glass Mtn., 4 mi. 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
  UCD115019  Erysimum repandum W. A. Harvey 1954-6-3 s.n. Modoc in field on Al Lindgren Ranch, 2 miles northeast of Alturas. Comment
  CAS-BOT-BC229899  Erythranthe breviflora Bruce Bartholomew; Barrett Anderson 1990-7-20 5518 Modoc Tamarack Flat, E side of Warner Mts. 2150 Comment
  CAS-BOT-BC229903  Erythranthe breweri Annie Montague Alexander; L. Kellogg 1946-7-1 4888 Modoc 0.5 mi. E of Bidwell Creek road summit. Comment
  CAS-BOT-BC229917  Erythranthe guttata Elmer Ivan Applegate 1932-8-6 8203 Modoc Desert spring on E side of Middle Lake, Surprise Valley. Comment
  CAS-BOT-BC234503  Erythranthe microphylla Edward Kent Balls 1950-5-18 14752 Modoc N of Upper Rush Creek Public Camp, 2.5 mi. E of Hwy 299. 1737 Comment
  CAS-BOT-BC234465  Erythranthe pulsiferae Alice Eastwood; John Thomas Howell 1940-6-14 8237 Modoc Near Hackamore. Comment
  CAS-BOT-BC402921  Eschscholzia californica Elmer I. Applegate 1935-6-12 9523 Modoc Lava Beds National Monument. Caldwell Butte, south slope Comment
  UCD142822  Euphorbia serpillifolia Herbert L. Mason; Verne Grant 1947-7-10 13325 Modoc Dorris Reservoir, 2 miles east of Alturas. Comment
  UCR163271  Festuca Jim Andre 1993-7-2 1419 Modoc Modoc Plateau, about 12 miles NW of Canby on Hwy 139 1494 Comment
  CAS-BOT-BC247706  Festuca idahoensis Leland S. Smith 1917-7-10 105 Modoc Granger Mill. 2133 Comment
  HSC9864  Festuca idahoensis R. C. Wunner 1965-6-20 219 Modoc Lava Beds N.M. Above Lava Brook Cave. 1463 Comment
  JEPS69240  Festuca idahoensis L. S. Smith 1917-7-10 105 Modoc s and e slopes Warner Mts. 2133 Comment
  UCD65969  Festuca idahoensis R. Tofsrud 1947-7-1 253 Modoc Between Canby and Adin. Comment
  UCD66091  Festuca idahoensis A. H. Shunk 1923-7-26 Modoc Modoc and Siskiyou County: Tule Lake. Comment
  UCD66093  Festuca idahoensis J. C. Hayes 1935-6-25 Modoc Alturas. Comment
  CDA28212  Festuca idahoensis A. A. Beetle 1941-6-29 2833 Modoc Near summit of Mt. Adin. Comment
  UCD66161  Festuca occidentalis L. Whitney 1935-6-9 3210 a Modoc White Horse. Comment
  CDA2095  Festuca pratensis T. C. Fuller 1958-7-8 2017 Modoc Davis Creek. 0 Comment
  JEPS69256  Festuca pratensis Leland S. Smith 1918-1 107 Modoc Comment
  UC1037262  Festuca pratensis Leo Whitney 1935-8-24 101 Modoc Comment
  UCD66349  Festuca rubra L. Whitney 1935-7-7 3402 Modoc Howard Gulch, 4 miles NW of Canby. Comment
  SEINET5356110  Floerkea proserpinacoides M. J. Williams 1984-6-30 84- 80 -1 Modoc Warner Mtns., Granger Canyon Road, 6.8 mi W of Cedarville-Gerlach road 1981 Comment
  CAS-BOT-BC214649  Fragaria virginiana Bruce Bartholomew 1994-5-29 6743 Modoc Slopes adjacent to Roney Flat. 1460 Comment
  CAS-BOT-BC217078  Frangula rubra Alice Eastwood; John Thomas Howell 1940-6-13 8155 Modoc E side of Fandango Pass. Comment
  POM518787  Frasera albicaulis var. nitida Barbara Ertter 1988-6-18 7620 Modoc Hwy 139 ca 50 airmiles SW of Klamath Falls, a few miles N of Agric. Inspection State, 1 mi S of S jct to Lava Beds Nat l Monument E of Tonesta. 1311 Comment
  CAS-BOT-BC242110  Fritillaria atropurpurea K. Paulson; Robert Paulson 1988-6-11 32 Modoc North of Stough Reservoir, Warner Mts.. 1706 Comment
  CHSC67139  Fritillaria atropurpurea James D. Jokerst 1987-5-11 2824 Modoc Radar Survey Site S of Doublehead Mtn., S of Clear Lake Reservoir. 1363 Comment
  JEPS55679  Fritillaria atropurpurea Margaret Williams 1968-5-31 6881 Modoc Cedar Pass Comment
  JEPS61887  Fritillaria atropurpurea Frances D. Payne 1931-6-25 266 Modoc 2 mi sw of Warner Mountain (Pine Creek Basin, southeastern Modoc County); Warner Mountains, Pine Creek Basin 2316 Comment
  RSA367714  Fritillaria atropurpurea George Willet 1935-6-21 s.n. Modoc Modoc County: Warren Mtns. 2439 Comment
  CHSC30634  Fritillaria pudica N. E. H. Prouty 1980-6-2 171 Modoc Sheep Rock T. S. Rising above Dry Creek. Modoc Nat. Forest, Warner Mt. District. Comment
  HSC29996  Fritillaria pudica D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19394 Modoc Along Hager Basin Rd. near Big Sage Reservoir. Comment
  UC65052  Fritillaria pudica Milo S. Baker 1893-1 Modoc Forestdale Comment
  RSA520504  Fritillaria recurva Bruce Bartholomew, M. Bourell 1990-4-26 5152 Modoc 0.5 km S of Day. 1100 Comment
  CAS-BOT-BC179876  Galeopsis tetrahit Herbert Louis Mason; Verne Grant 1947-7-12 13417 Modoc S end of W side road, Pit River Valley, S of Alturas. 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-BC225059  Galium bifolium Bruce Bartholomew 1991-8-6 6081 Modoc N Emerson Lake, E side of Warner Mts. 2370 Comment
  CAS-BOT-BC248326  Galium bifolium B. Bartholomew; H. Sun 2002-6-24 8821 Modoc Just SW of Manzanita Mt. and ca. 15 straight line km NW of Aden 2000 Comment
  CAS-BOT-BC225076  Galium mexicanum subsp. asperulum Bruce Bartholomew 1994-7-1 6766 Modoc Turner Creek adjacent to Forest Service road 42N21. 1470 Comment
  HSC19827  Galium mexicanum var. asperulum M. T. Milligan 1966-7-25 577 Modoc E of Jess Valley 1707 Comment
  SBBG18758  Galium serpenticum C. B. Hardham 1961-6-20 7865 Modoc mouth of Pine Crk Cyn 1554 Comment
  JEPS27649  Galium serpenticum subsp. warnerense Ehrendorfer and Stebbins 1959-6-28 5911 Modoc plateau Mt. Bidwell (top and s rim) 2438 Comment
  RSA0005775  Galium serpenticum subsp. warnerense Lauramay T. Dempster, C. Hardham 1961-6-19 1710 Modoc Mouth of canyon just SE of New Pine Creek. 1585 Comment
  CAS-BOT-BC190852  Gayophytum diffusum subsp. parviflorum Bruce Bartholomew 1989-7-15 5023 Modoc Manzanita Lookout, top of Manzanita Mountain. 2130 Comment
  JEPS27527  Gayophytum diffusum subsp. parviflorum W. L. Jepson 1918-8-7 7863 Modoc Mt. Bidwell 2133 Comment
  UCR77777  Gayophytum diffusum subsp. parviflorum B. Bartholomew 1991-7-6 5966 Modoc 2.4 km west of County Road 91 [on?] Forest Service Road 42N03 1340 Comment
  CAS-BOT-BC190829  Gayophytum humile Bruce Bartholomew 1991-6-20 5785 Modoc Top of Fox Mountain, ca. 10 airline km NW of Adin. 1900 Comment
  HSC31367  Gayophytum humile D. H. Norris, T. Nelson, S. Dowty 1971-6-23 19410 Modoc Along Hager Basin Rd. near Big Sage Reservoir. Comment
  NY999564  Gayophytum racemosum M. S. Baker 06 1893 s.n. Modoc Comment
  POM260876  Geranium richardsonii Alice Eastwood, J. T. Howell 1940-6-13 8121 Modoc Near Davis Creek. Comment
  CAS-BOT-BC180063  Geranium viscosissimum Leland S. Smith 1917-7-2 62 Modoc Head of Shield's Creek. 2316 Comment
  CAS-BOT-BC180080  Geranium viscosissimum Annie Montague Alexander; L. Kellogg 1946-6-12 4726 Modoc 1 mi. E of Lake City. 1414 Comment
  JEPS61465  Geranium viscosissimum L. S. Smith 1917-7-10 853 Modoc Granger Mill Warner Mts. 1828 Comment
  UCD103514  Geranium viscosissimum Verne Grant; Irving Schneider 1947-7-22 8145 Modoc North Fork of Pit River on Highway 395, about one mile north of junction with Cedarville road. Comment
  CAS-BOT-BC214669  Geum triflorum K. Paulson; Robert Paulson 1988-5-22 1 Modoc Boles Creek, Devil's Garden. 1402 Comment
  CAS-BOT-BC214670  Geum triflorum Bruce Bartholomew; Barrett Anderson 1989-6-3 4882 Modoc Boles Creek, ca. 5.5 km E of the SE corner of Clear Lake Reservoir. 1430 Comment
  CAS-BOT-BC214678  Geum triflorum Bruce Bartholomew; Barrett Anderson 1988-5-12 4131 Modoc Ca. 13 km NNE of Adin on State Highway 229 at turnoff to Higgins Flat on USFS road 41N11. 1440 Comment
  HSC18642  Geum triflorum M. T. Milligan 1967-7-8 665 Modoc W slope of Eagle Peak 2439 Comment
  UC466702  Geum triflorum Franklin P. Nutting 1894-6-8 Modoc Flat near Egg Lake Comment
  CAS-BOT-BC214674  Geum triflorum John H. Hatton 1911-6-10 17 Modoc Modoc County. 1767 Comment
  UC748395  Geum triflorum Annie M. Alexander and Louise Kellogg 1946-7-11 4974 Modoc Eight Mile Creek, ne corner of Modoc County Eight Mile Creek Comment
  CAS-BOT-BC190702  Gilia brecciarum subsp. brecciarum Elmer Ivan Applegate 1936-5-17 10313 Modoc Top of Gillams bluff, Lava Bed National Monument. Comment
  CAS-BOT-BC190662  Gilia sinistra subsp. sinistra Bruce Bartholomew 1994-7-2 6807 Modoc 7.2 km SE of Forest Service road 30 on road towards Bald Mountain, E side of the Warner Mts. 2190 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-BC190671  Gilia sinistra subsp. sinistra Bruce Bartholomew; Barrett Anderson 1989-6-1 4729 Modoc Shake Spring, NW side of Shaffer Mountain. 1500 Comment
  CAS-BOT-BC218304  Glaux maritima Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-13 16448 Modoc Lane to Phipp's Ranch, ca. 14 mi. N of Cedarville. Comment
  RSA334845  Glaux maritima A. Tiehm, Susan Cochrane, Jan Nachlinger, Gary Schoolcraft 1984-6-24 8796 Modoc Surprise Valley, Mineral Wells on east side of Alkali Lake. Comment
  CAS-BOT-BC247691  Glyceria elata Bruce Bartholomew; Barrett Anderson 1988-7-23 4596 Modoc Pine Creek, 4 km E of U.S Highway 395 on the road to Lily Lake, Warner Mts.. 1620 Comment
  CAS-BOT-BC49533  Gnaphalium palustre Leland S. Smith 1925-1-1 1506 Modoc Happy Camp near Ranger Station. 1371 Comment
  CHSC106174  Gnaphalium palustre Lowell Ahart; John Dittes 2010-8-30 17075 Modoc About 10 yards west of the fence, south edge of the meadow, Ash Creek State Wildlife Area, 2300 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  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
  CHSC106192  Gratiola ebracteata Lowell Ahart; John Dittes 2010-8-31 17128 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
  CAS-BOT-BC229885  Gratiola heterosepala Bruce Bartholomew; Barrett Anderson 1990-7-19 5430 Modoc Sweagert Flat. 1860 Comment
  CHSC99253  Gratiola neglecta Lowell Ahart; John Dittes 2008-6-21 14993 Modoc On wet soil, in the drying pond, north of the large culvert, east of the large levee, mountain meadow, in Big Valley, about 2.8 miles (air) north of the Headquarters at Ash Creek State Wildlife Area, about 5.4 miles (air) northeast of Bieber. 1255 Comment
  JEPS21902  Gratiola neglecta Malcolm A. Nobs and S. Galen Smith 1949-7-22 1067 Modoc Likely canals at South Fork of Pit River (bottom of dry canals at South Fork of Pit River) Comment
  UC1191878  Gratiola neglecta Verne Grant and Irving Schneider 1947-7-18 8038 Modoc Eastside Canal s Alturas (5 mi n of Bayley's bridge) Comment
  SD46112  Gratiola neglecta Verne E. Grant, Irving Schneider 1947-7-20 8094 Modoc margin of irrigation ditch, south loop of Westside Road, Pitt Valley, north of Likely 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
  CHSC112840  Grindelia nana Lowell Ahart; John Dittes 2013-7-25 18963 Modoc 30 yards north of the east-west fence, south edge of Ash Creek Floodplain, northeast of Patterson Homestead, east of Elkins Lane, 1.0 mile (air) south of County Road 87, 3.14 miles (air) west of Adin, Big Valley. 1267 Comment
  SFV18057  Grindelia nana J. A. Matos, D. C. Rudolph 1999-8-7 s. n. Modoc 1 mile east of Siskiyou county line along Lava Beds National Monumemt Road. 1310 Comment
  SDSU20106  Hackelia californica Lee Ripma, R. B. Kelley 2012-7-24 385 Modoc Side of FR31. 2386 Comment
  UC1560397  Hackelia californica E. Joyal and D. Mehlman 1988-6-28 1290 Modoc Warner Mountains, ridge road Warner Mountains Comment
  CAS-BOT-BC54086  Hackelia cusickii Mrs. H. C. Cantelow 1940-6-2 Modoc 10 mi. NW of Canby on road to Lava Beds National Monument. Comment
  CAS-BOT-BC54097  Hackelia cusickii Frederick H. Frost 1925-5-24 42 Modoc Steamboat Canyon, Warner Mountains 1767 Comment
  RSA164369  Hackelia cusickii Clare B. Hardham 1961-6-18 7546 + Modoc 3 miles east of Cedar Pass. 1829 Comment
  SBBG20781  Hackelia cusickii A. I. Richardson 1961-5-31 9 Modoc 15 mi NW of Canby near St Hwy 139 1524 Comment
  UC748456  Hackelia micrantha Annie M. Alexander and Louise Kellogg 1946-6-14 4764 Modoc Silver Creek branch of Patterson Mill Road 1828 Comment
  POM55333  Helianthella californica var. nevadensis Milo S. Baker 1893-6-20 s.n. Modoc [Unspecified] Comment
  CAS-BOT-BC49550  Helianthus annuus Bruce Bartholomew 1989-8-10 5028 Modoc Little Hot Spring Valley, 1.6 km NW of Day. 1070 Comment
  CAS-BOT-BC49505  Helianthus cusickii Margaret J. Williams; et al 1988-6-2 88- 28 -5 Modoc Jess Valley, E of Likely, S of roadside rest. Comment
  UC727055  Helianthus cusickii A. A. Heller 1941-6-26 16221 Modoc Four miles east of Canby, along US Highway 299. Comment
  CAS-BOT-BC21464  Heracleum lanatum Bruce Bartholomew; Barrett Anderson 1990-7-20 5542 Modoc Buck Creek between Del Pratt Spring and Howard Flat, W side of Warner Mts. 1990 Comment
  CAS-BOT-BC21466  Heracleum lanatum Bruce Bartholomew 1989-8-11 5068 Modoc Along Lassen Creek near SE side of Harris Flat, Warner Mountains. 1920 Comment
  CAS-BOT-BC21470  Heracleum lanatum Bruce Bartholomew; Barrett Anderson 1988-7-22 4539 Modoc Side Creek, W side of Lake City Canyon, E side of the Warner Mts.. 1980 Comment
  JEPS117302  Herniaria hirsuta subsp. hirsuta Lowell Ahart, John Dittes 2010-8-31 17110 Modoc In the parking area on the east side of Elkins Lane, northeast of the homestead, about 300 yards north of the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley 1295 Comment
  CAS-BOT-BC180043  Hesperochiron californicus Edward Kent Balls 1950-5-11 14617 Modoc 8 mi. N of Lake City, W shore of Upper Lake. 1402 Comment
  JEPS1687  Hesperochiron californicus L. S. Smith c. 1918 789 1/2 Modoc Warner Mts., Jess Valley 1981 Comment
  RSA0110965  Hesperochiron pumilus Bruce Bartholomew, B. Anderson 1988-5-12 4102 Modoc White Horse 1340 Comment
  CAS-BOT-BC179175  Hesperolinon micranthum Herbert L. Mason 1946-7-13 13448 Modoc W end of Fandango Pass, near Goose Lake. Comment
  JEPS101014  Hesperolinon micranthum Dean W. Taylor 1989-8-4 10525 Modoc Emerson Creek drainage; Cole Creek, on road to Emerson Camp from Surprise Valley Comment
  JEPS32306  Hesperolinon micranthum Frances D. Payne 1932-7-8 670 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  JEPS32312  Hesperolinon micranthum Mrs. M. H. Manning 1918-7-14 Modoc north-eastern Modoc County Comment
  POM203073  Hesperolinon micranthum J. T. Howell 1934-6-30 12258 Modoc Duncan Horse Camp. Comment
  UC1055935  Heteranthera dubia Herbert L. Mason 1955-8-14 14658 Modoc below Canby; Pit River Comment
  UC1100977  Heteranthera dubia Verne Grant and Irving Schneider 1947-8-28 8345 Modoc about 2 mi downstream from Canby; Pit River Comment
  CAS-BOT-BC498687  Heterotheca villosa var. minor H. M. Hall; E. B. Babcock 1903-6-21 4237 Modoc Lava beds in SW part of county 1219 Comment
  UC75813  Hieracium nudicaule Milo S. Baker 1893-1 Modoc Forestdale Comment
  RSA540064  Hieracium scouleri Bruce Bartholomew, B. Anderson 1990-7-20 5474 Modoc 10.3 km north of Buck Creek Ranger Station, crest of Warner Mountains west side of Warner Mountains. 2130 Comment
  CAS-BOT-BC180051  Hippuris vulgaris John Thomas Howell 1934-7-2 12353 Modoc Nigger Ben Spring, SE end of Clear Lake. Comment
  UC1101456  Hippuris vulgaris Verne Grant and Irving Schneider 1947-7-21 8118 Modoc N. Fork Pit R. ca. 2 mi. above Alturas; N. Fork Pit R. Comment
  UC1191966  Hippuris vulgaris Verne Grant and Irving Schneider 1947-7-18 8058 Modoc s. Alturas (s. loop of eastside rd. in Pit R. Valley); Pit R. Valley Comment
  SEINET8408787  Holodiscus microphyllus Unknown 1940-7-1 2155 Modoc Cedar Peak, Warner Mts. Comment
  NY446368  Holosteum umbellatum G. Schoolcraft 1981-5-6 376 Modoc North of Alturas 1463.0 Comment
  CAS-BOT-BC247681  Hordeum brachyantherum subsp. brachyantherum John Thomas Howell 1934-6-30 12292 Modoc Duncan Horse Camp. Comment
  CHSC99778  Hordeum brachyantherum subsp. brachyantherum Lowell Ahart; John Dittes 2008-6-21 15001 Modoc On dry bare soil, near a new man made shallow pond, mountain meadow, in Big Valley, about 3.3 miles (air) north of the Headquarters at Ash Creek State Wildlife Area, about 6.0 miles (air) northeast of Bieber. 1260 Comment
  JEPS114844  Hordeum brachyantherum subsp. brachyantherum Lowell Ahart, John Dittes 2008-6-21 15001 Modoc On dry bare soil, near a new man made shallow pond, mountain meadow, in Big Valley, about 3.3 miles (air) north of the Headquarters at Ash Creek State Wildlife Area, about 6.0 miles (air) northeast of Bieber 1260 Comment
  UCD85367  Hordeum brachyantherum subsp. brachyantherum Beecher Crampton 1954-7-7 2165 Modoc 2.5 miles east of Alturas. Near Radio Station KCNO. Comment
  SBBG115845  Hordeum jubatum B. Crampton 1954-7-7 2160 Modoc 2.5 mi E of Alturas, near radio stn Comment
  UC1024921  Hordeum jubatum Leo Whitney 1938-6-29 3358 Modoc Alturas Comment
  UC1037154  Hordeum jubatum Leo Whitney 1935-7-7 3400 Modoc 4 mi nw Canby; Howard Gulch Comment
  UC70672  Hordeum jubatum Mrs. M. H. Manning June 1903 404 Modoc North-Eastern Modoc County Comment
  UCD85688  Hordeum jubatum subsp. intermedium Beecher Crampton 1954-7-7 2160 Modoc 2.5 miles east of Alturas. Near Radio Station KCNO. Comment
  UCD85780  Hordeum marinum subsp. gussoneanum A. A. Beetle; G. L. Stebbins Jr. 1942-5-30 3275 Modoc 3.5 miles E of Adin. Comment
  UCD85909  Hordeum marinum subsp. gussoneanum L. Whitney 1935-5-30 3158 Modoc White Horse. Comment
  CDA2196  Hordeum marinum subsp. gussoneanum Loring White 1953-3-11 Modoc 0 Comment
  UC545669  Horkelia fusca subsp. capitata Louis C. Wheeler 1935-8-1 3726 Modoc Dismal Swamp, Twenty-Mile Creek Warner Mtns, Mt. Diablo Mer 2225 Comment
  RSA611269  Horkelia fusca subsp. pseudocapitata Louis C. Wheeler 1935-8-1 3726 Modoc Dismal Swamp. Twenty Mile Creek, Warner Mountains. 2226 Comment
  CAS-BOT-BC214709  Horkelia fusca var. pseudocapitata R. M. Austin 1895-7-1 500 Modoc Willow Creek, Devil's Garden. Comment
  CAS-BOT-BC214716  Horkelia tridentata Bruce Bartholomew; Barrett Anderson 1989-6-3 4901 Modoc ca. 8 km WNW of Long Bell Ranger Station. 1350 Comment
  NY704053  Hornungia procumbens N. H. Holmgren 1998-5-30 12995 Modoc Surprise Valley, Modoc County Road 299, 6.9 km (4.3 mi) east of downtown Cedarville, at a turnoff to some hotsprings 1370 Comment
  CAS-BOT-BC179325  Hydrophyllum capitatum var. alpinum Belknap C. Goldsmith 1912-4-20 42 Modoc Near Cedarville. 1493 Comment
  CAS-BOT-BC179331  Hydrophyllum capitatum var. alpinum Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16407 Modoc Cedar Pass Campground, 3 mi. E of Thoms Creek bridge. Comment
  CAS-BOT-BC180024  Hydrophyllum capitatum var. alpinum Roxana Stinchfield Ferris; R. Duthie 1919-6-14 80 Modoc Parker Creek. Comment
  CAS-BOT-BC180028  Hydrophyllum capitatum var. alpinum E. S. Willits 1940-5-4 215 Modoc Willow Ranch. Comment
  CHSC30635  Hydrophyllum capitatum var. alpinum NEH Prouty 1980-6-2 170 Modoc Modoc National Forest, Warner Mt District Sheep Rock T. S. Comment
  POM126788  Hydrophyllum capitatum var. alpinum Franklin P. Nutting 1893-6-15 s.n. Modoc Forestdale. Comment
  RSA59366  Hydrophyllum capitatum var. alpinum E. K. Balls 1950-5-11 14627 Modoc 8.1 mi NE of Fort Bidwell, above Cowhead Lake, along 8 mile Creek. 1463 Comment
  HSC59908  Hymenoxys hoopesii G. M. Riegel 1979-7-24 595 Modoc South Warner Mt. Wilderness Area 2561 Comment
  RSA149060  Hypericum androsaemum I. L. Wiggins, Dorothy B. Wiggins 1961-6-14 16477 Modoc Camp ground on Lassen Creek, 1.6 mi. above ford, Warner Mountains Comment
  UC19047  Hypericum formosum var. scouleri Mrs. R. M. Austin 1894-1 Modoc Davis Creek Comment
  UC635673  Hypericum formosum var. scouleri F. H. Frost 1900-7-24 103 Modoc Jess Valley Warner Mts., Jess Valley Comment
  CAS-BOT-BC179892  Hypericum scouleri Leland S. Smith 1922-7-24 1314 Modoc Rush Creek Ranger Station pasture. 1905 Comment
  CAS-BOT-BC179897  Hypericum scouleri Leland S. Smith 1920-7-13 1181 Modoc Crowder Flat. 1432 Comment
  CAS-BOT-BC58402  Idahoa scapigera Bruce Bartholomew; Barrett Anderson 1989-4-30 4709 Modoc 0.8 km S of Centerville Rd. (Co. road 54) on road to Ralston Gulch (Co. road 77). 1400 Comment
  CAS-BOT-BC179104  Iliamna bakeri Dean William Taylor 1988-8-11 10044 Modoc Damon's Butte (ca. 2 mi W of Hwy 139) in summit crater of butte. 1466 Comment
  UC932081  Iliamna bakeri Verne Grant and Alva Grant 1947-7-13 8019 Modoc Fandango Pass Warner Mountains Comment
  UC73647  Ipomopsis aggregata Milo S. Baker 1893-1 Modoc Forestdale Comment
  CAS-BOT-BC190647  Ipomopsis aggregata subsp. aggregata P. Monnet 1913-7-1 895 Modoc Warner's Range. 2438 Comment
  CHSC27611  Ipomopsis congesta subsp. montana Robert Schlising 1978-7-29 3326 Modoc Warner Mountains, directly E of Warren Peak; just off summit of trail. 2852 Comment
  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-BC190642  Ipomopsis congesta subsp. palmifrons Francis Marion Ownbey; Frederick Gustav Meyer 1940-7-1 2133 Modoc Cedar Pass, Warner Mts. Comment
  UCD138700  Iris missouriensis Malcolm A. Nobs; S. Galen Smith 1949-5-29 770 Modoc one mile east of Lake City. Comment
  JEPS127257  Isoetes nuttallii Lowell Ahart, John Dittes 2016-6-6 20972 Modoc 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
  UCR64880  Iva axillaris George K. Helmkamp 1990-9-23 H- 01 Modoc US Hwy 395, 13 mi north of Likely 1345 Comment
  JEPS44330  Ivesia gordonii W. L. Jepson 1918-8-13 7971 Modoc Eagle Peak; Warner Mts. 3017 Comment
  UC1573169  Ivesia gordonii Dean Wm. Taylor with Glenn L. Clifton 1989-8-5 10464 Modoc summit ridge Eagle Peak; Warner Mountains 3002 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
  CHSC117140  Juncus bufonius var. bufonius Lowell Ahart; John Dittes 2016-7-14 212014 Modoc Strand of a new pond, south of Ash Creek Canal (now filled in), south of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of Codunty Road 87, 1.73 miles (air) west of Adin, Big Valley. 1273 Comment
  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-BC245066  Juncus confusus Louis Cutter Wheeler 1935-9-23 4001 Modoc Pease Flat, Devil's Garden. 1524 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
  CHSC109640  Juncus ensifolius Lowell Ahart; John Dittes 2012-7-12 18369 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 Adam, about 8 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  CHSC117259  Juncus ensifolius Lowell Ahart; John Dittes 2016-7-14 21206 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
  JEPS66984  Juncus ensifolius W. L. Jepson 1918-8-12 7954 Modoc Jess Valley 1584 Comment
  JEPS66985  Juncus ensifolius W. L. Jepson 1918-8-14 7985 Modoc Jess Valley 1584 Comment
  CAS-BOT-BC245058  Juncus hemiendytus var. abjectus Alice Eastwood; John Thomas Howell 1940-6-15 8278 Modoc Near Happy Camp Ranger Station. Comment
  CAS-BOT-BC245050  Juncus hemiendytus var. hemiendytus Bruce Bartholomew 1993-6-12 6600 Modoc Tom Large Flat, W of Egg Lake. 1260 Comment
  CAS-BOT-BC245054  Juncus hemiendytus var. hemiendytus Bruce Bartholomew 1995-6-3 6956 Modoc Fletcher Creek E of Pease Cabin between Goose Lake and Crowder Flat Road. 1520 Comment
  CAS-BOT-BC245046  Juncus longistylis Alice Eastwood; John Thomas Howell 1940-6-15 8279 Modoc Near Happy Camp Ranger Station. Comment
  JEPS3935  Juncus mertensianus N. T. Mirov 1929-7-4 Modoc about 1 mi s Oregon-California boundary; Warner Mountains, Lily Lake 2133 Comment
  UC1100956  Juncus mexicanus Herbert L. Mason and Verne Grant 1947-7-12 13426 Modoc n of Likely (s loop of w side road) Comment
  RSA368256  Juncus orthophyllus George Willet 1935-6-14 s.n. Modoc 4 miles E of Likely. 1524 Comment
  UCR67433B  Juncus torreyi George K. Helmkamp 1990-9-23 J- 12 Modoc Warner Mtns, Goose Lake, within 0.1 mi of the Oregon border 1476 Comment
  JEPS48237  Juniperus communis Frances D. Payne 1932-7-1 653 Modoc 2 mi sw Warren Peak; Warner Mts., Pine Creek Basin Comment
  UC1036072  Juniperus communis Annie M. Alexander and Louise Kellogg 1946-7-29 5091 Modoc Head of Eagle Creek Warner Mountains, Eagle Creek (foot of rockslide under lodgepole pine) Comment
  RSA6220  Juniperus occidentalis var. occidentalis Elmer I. Applegate 1932-7-9 7622 Modoc Big Grade, Fandango Pass. Goose Lake side Comment
  RSA93401  Juniperus occidentalis var. occidentalis Milo S. Baker 1936-6-14 8315 Modoc Malin to Quarantine Station Comment
  CAS-BOT-BC95668  Kalmia polifolia Elmer Ivan Applegate 1932-8-7 8224 Modoc Just above Lily Lake. Comment
  POM229190  Kalmia polifolia subsp. microphylla L. C. Wheeler 1935-8-4 3776 Modoc Pine Creek, Warner Mts. 2210 Comment
  RSA504628  Kalmia polifolia subsp. microphylla Bruce Bartholomew, B. Anderson, Bartholomew 1988-6-24 4345 Modoc Vicinity of Blue Bell Mine between Lily Lake and Fort Bidwell on County Road 2, Warner Mountains. 2190 Comment
  CAS-BOT-BC225092  Kelloggia galioides Leland S. Smith 1922-7-20 1301 Modoc Rush Creek Ranger Station pasture. 1905 Comment
  CAS-BOT-BC225097  Kelloggia galioides Robert Patterson; Mona Bourell 1993-8-15 5264 Modoc Warner Mountains. Along trail from Patterson Lake to ca. 2 mi north towards Pepperdine Trailhead. 2743 Comment
  HSC31365  Kelloggia galioides D. H. Norris, T. Nelson, S. Dowty 1971-6-22 19351 Modoc Soup Springs Campground Comment
  CAS-BOT-BC247646  Koeleria macrantha John Thomas Howell 1934-7-1 12347 Modoc Duncan Horse Camp. 1355 Comment
  CAS-BOT-BC247650  Koeleria macrantha John Thomas Howell 1934-6-30 12274 Modoc Duncan Horse Camp. 1355 Comment
  UC60745  Koeleria macrantha M. S. Baker and Frank Nutting 1894-6-29 Modoc Big Valley Comment
  UCD85700  Koeleria macrantha A. A. Beetle; G. L. Stebbins Jr. 1942-5-30 3379 Modoc Jct. Rt. 39 and road to Modoc Lava Beds Natl. Mon. Comment
  CAS-BOT-BC49492  Lactuca serriola James D. Jokerst 1983-7-27 1900 Modoc Near Signal Butte. 1340 Comment
  CHSC106179  Lactuca serriola Lowell Ahart; John Dittes 2010-8-30 17073 Modoc About 15 yards west of the fence, south edge of the meadow, Ash Creek State Wildlife Area, 2300 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  JEPS121203  Lactuca serriola Lowell Ahart, John Dittes 2013-7-25 18947 Modoc 30 yards N of the E-W fence, south edge of Ash Creek Floodplain, NE of Patterson Homestead, E of Elkins Lane, 1.0 air miles S of County Road 87, 3.14 air miles W of Adin, Big Valley. Comment
  RSA608615  Lactuca tatarica var. pulchella L. C. Wheeler 1935-8-7 3802 Modoc Pine Creek, Warner Mtns. 1555 Comment
  HSC81135  Lagophylla ramosissima G. M. Riegel 1980-8-6 995 Modoc South Warner Mtns. 1670 Comment
  UC89214  Lagophylla ramosissima Mrs. R. M. Austin 1894-7-1 Modoc Davis Creek Comment
  CAS-BOT-BC49498  Lagophylla ramosissima subsp. ramosissima Bruce Bartholomew; Barrett Anderson 1988-6-23 4239 Modoc 2.1 km SSE of Day on the road to State Highway 299. 1020 Comment
  CAS-BOT-BC49499  Lagophylla ramosissima subsp. ramosissima Bruce Bartholomew 1989-7-14 4942 Modoc Stone Coal Valley, 3.2 km W of State Hwy 299. 1340 Comment
  JEPS127183  Lamium amplexicaule Lowell Ahart, John Dittes 2016-7-14 21174 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
  RSA550615  Lappula occidentalis var. occidentalis Bruce Bartholomew, B. Anderson 1989-6-2 4821 Modoc At the SE corder of Upper Alkali Lake, E side of Surprise Valley. 1400 Comment
  JEPS55324  Lathyrus brownii Milo S. Baker 1893-5-26 Modoc Goose Valley Comment
  NY716676  Lathyrus lanszwertii var. lanszwertii R. J. Weatherby 1955-7-8 1621 Modoc 6 miles north of Ft. Bidwell, northern Warner Mountains 1783 Comment
  SEINET10936979  Lathyrus nevadensis Billy Joe Cox, David B. Dunn 1971-6-3 Cox 2616 Modoc 4 mi s of davis creek on us hwy 395; in very mesic grassladn sedge meadow; Lupines very sparse and approximately a week or more behind th eflowering of Those near alturas. 1402 Comment
  CAS-BOT-BC181976  Lathyrus rigidus Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-10 6441 Modoc Just NE of Davis Creek Cemetery, 1.3 km E of Davis Creek. 1500 Comment
  NY716848  Lathyrus rigidus G. Schoolcraft 1998-5-19 2710 Modoc Highway 395 about 9.5 miles north of Davis Creek 1524 Comment
  NY716864  Lathyrus rigidus B. M. Bartholomew 1988-5-14 4185 Modoc 4.5 km south of Davis Creek on U.S. Highway 395, southeast side of Goose Lake 1470 Comment
  NY716868  Lathyrus rigidus B. M. Bartholomew 1993-5-10 6441 Modoc Just northeast of Davis Creek Cemetery, 1.3 km east of Davis Creek 1500 Comment
  RSA74593  Lathyrus rigidus C. L. Hitchcock 1950-5-27 19225 Modoc 20 miles N of Alturas Comment
  UC931202  Lathyrus rigidus C. L. Hitchcock 1950-5-27 19225 Modoc ca 20 mi n Alturas Comment
  SEINET7073588  Layia fremontii A. G. Vestal 1955-5-18 s.n. Modoc Modoc lava on Route 139. Modoc National Forest. UTM Zone 10, 646374mE, 4627855mN. Coordinate datum: NAD27. Comment
  CAS-BOT-BC49456  Layia glandulosa Fred D. Douthitt 1916-5-11 11 Modoc Juniper Flats near West Valley. 1524 Comment
  CAS-BOT-BC49454  Layia glandulosa Mrs. H. C. Cantelow 1940-6-2 3348 Modoc W of Alturas on rd. to Lava Beds National Monument. Comment
  POM361659  Layia glandulosa subsp. glandulosa Christopher Davidson 1973-5-24 2109 -a Modoc S of Alturas on Hwy 395 near Likely. 1341 Comment
  POM228875  Lemna trisulca L. C. Wheeler 1935-10-2 4015 Modoc Alturas, 2 miles south 1357 Comment
  CHSC117261  Lepidium campestre Lowell Ahart; John Dittes 2016-7-14 21162 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
  JEPS53760  Lepidium densiflorum var. pubicarpum Milo S. Baker 1898-1 Modoc Forestdale Comment
  CAS-BOT-BC190633  Leptodactylon pungens John H. Hatton 1911-6-20 134 Modoc Modoc County. 1524 Comment
  RSA520471  Leptosiphon bolanderi Bruce Bartholomew, B. Anderson 1989-4-27 4625 Modoc Little Hot Spring Valley, 4 km NW of Day. 1070 Comment
  RSA100701  Leptosiphon harknessii Ella Dales Cantelow 1940-6-2 4133 Modoc About 10 miles N.W. of Canby, on road to Lava Beds Monument Comment
  RSA101370  Leptosiphon harknessii R. Weatherby 1955-7-8 1612 Modoc Northern Warner Mountains: 7 miles north of Ft. Bidwell 1875 Comment
  RSA164295  Leptosiphon harknessii Clare B. Hardham 1961-6-18 s.n. Modoc Warner Mountains: Cedar Pass. Comment
  POM74259A  Leptosiphon liniflorus Mrs. R. M. Austin 1895-07 534 Modoc Goose Lake Valley. Comment
  HSC75594  Leptosiphon nuttallii G. M. Riegel 1980-7-30 960 Modoc S Warner Mtns. 1739 Comment
  SJSU13891  Leucocrinum montanum N. A. Hopkins 1985-5-13 1265 Modoc by Highway 395 c. 30 mi S of Alturas Comment
  UCD138434  Leucocrinum montanum Frank C. Vasek 1975-5-21 s.n. Modoc Crowder Flat Road, ca. 2 miles south of Crowder Flat Guard Station at Hag Valley (ca. 12 miles west of Goose Lake and ca. 7 miles south of Oregon border), Modoc National Forest. Comment
  SEINET12271432  Leucophysalis nana M. Ownbey, Meyer, F. G. 1940-1 2132 Modoc near Cedar Pass, Warner Mts Comment
  CAS-BOT-BC197454  Lewisia nevadensis E. S. Willits 1940-5-16 256 Modoc Willow Ranch. Comment
  CAS-BOT-BC197458  Lewisia nevadensis Bruce Bartholomew 1991-7-7 6005 Modoc Pot Hole Spring. 1890 Comment
  CAS-BOT-BC197491  Lewisia rediviva Elmer Ivan Applegate 1932-7-9 7606 Modoc Summit of Bidwell Mountain, Warner Mts. Comment
  RSA27322  Lewisia rediviva C. L. Hitchcock 1940-5-27 6671 Modoc 15 miles northeast of Alturas. 1616 Comment
  JEPS43175  Lewisia rediviva Frances D. Payne 1929-6-23 25 Modoc Parker Creek Warner Mountains, Parker Creek 1584 Comment
  UC748279  Lewisia rediviva Annie M. Alexander and Louise Kellogg 1946-6-14 4744 Modoc on small flat, Patterson Mill Road se corner of county 1341 Comment
  CHSC112873  Lewisia rediviva var. rediviva L. P. Janeway; B. Castro 2014-6-2 11284 Modoc Great Basin. Along County Road 5 1.0 km west of the southwest corner of Cow Head Lake. 1627 Comment
  CAS-BOT-BC247639  Leymus cinereus Isabelo T. Kelly 1930-1-1 34 Modoc Fort Bidwell. Comment
  POM201805  Leymus cinereus Frances D. Payne 78 Modoc Warner Mts. Comment
  UC536798  Leymus cinereus Frances Payne 781 Modoc Warner Mts. Comment
  UC1037175  Leymus triticoides Leo Whitney 1935-8-18 3537 Modoc Alturas Comment
  UC1037182  Leymus triticoides Leo Whitney 1935-8-7 3611 Modoc ca 15 mi nw Canby; Modoc National Forest, Lake Joaquina, Hackamore 1463 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-BC21460  Ligusticum grayi Bruce Bartholomew; Barrett Anderson 1990-7-20 5509 Modoc Tamarack Flat, E side of Warner Mts. 2150 Comment
  RSA453850  Ligusticum grayi L. C. Wheeler 1935-8-16 3882 Modoc Warner Mountains: Dismal Swamp, Twenty Mile Creek. 2226 Comment
  CHSC40543  Lilium pardalinum subsp. pardalinum J. D. Jokerst 1983-6-12 1840 Modoc Small creek that flows through the Upper Rush Cr. Campground ca 100 meters upstream from the camp. Ca 8 miles north of Aden. Comment
  CAS-BOT-BC242067  Lilium washingtonianum Bruce Bartholomew 1989-7-14 4928 Modoc Along Rush Creek between Lower and Upper Rush Creek Campgrounds. 1580 Comment
  UC1101423  Limosella acaulis Herbert L. Mason 1947-8-13 13529 Modoc ne side F Reservoir (n of Canby); ne side of F reservoir Comment
  CAS-BOT-BC238354  Limosella aquatica Alice Eastwood; John Thomas Howell 1940-6-12 8099 Modoc Midway between Likely and Alturas Comment
  CHSC99152  Limosella aquatica Lowell Ahart; John Dittes 2008-6-21 14996 Modoc In the drying pond, north of the large culvert, east of the large levee, in Big Valley, about 2.8miles (air) north of the Headquarters at Ash Creek State Wildlife Area, about 5.4 miles (air) northeast of Bieber. 1255 Comment
  CAS-BOT-BC198029  Linanthus nuttallii subsp. nuttallii Louis Cutter Wheeler 1935-8-5 3789 Modoc Little Lily Lake, Warner Mts. 2286 Comment
  SJSU9649  Linanthus pungens W. Savage 1979-7-8 1483 Modoc N end Fairchild Swamp Unit, Triangle Devils Garden District, Modoc National Forest 1493 Comment
  CAS-BOT-BC198025  Linanthus septentrionalis Bruce Bartholomew 1989-7-15 4997 Modoc Sweagert Flat. 1860 Comment
  UCD123896  Linaria dalmatica subsp. dalmatica T. C. Fuller 1963-8-27 11168 Modoc old saw mill site, Sugar Hill Planting, Lassen Creek, ca. 6 miles southeast of Willow Ranch. Comment
  CAS-BOT-BC179156  Linum lewisii John Thomas Howell 1934-6-11 11933 Modoc Parker Creek. 1584 Comment
  CAS-BOT-BC179160  Linum lewisii B. Bartholomew; Barrett Anderson 1988-6-24 4314 Modoc Road beyond Poison Lake ca. 8 km S of the road from U.S. Highway 395 to Lily Lake, Warner Mts.. 2130 Comment
  CAS-BOT-BC179168  Linum lewisii John Thomas Howell 1934-6-11 11933 Modoc Parker Creek. 1584 Comment
  UC17256  Linum lewisii Mrs. Brandegee Modoc Lassen Creek Comment
  HSC15811  Linum lewisii M. T. Milligan 1965-6-26 340 Modoc E slope 1677 Comment
  RSA165543  Linum lewisii Clare B. Hardham 1961-6-19 783 Modoc Davis creek. 1677 Comment
  UC17254  Linum lewisii Milo S. Baker 1893-6 Modoc Lava Beds Comment
  SBBG30509  Linum lewisii var. lewisii D. Myrick 1968-6-20 1972 Modoc 20 mi W of Canby on Hwy 139 1524 Comment
  SJSU9652  Linum lewisii var. lewisii W. Savage 1979-7-8 1487 Modoc N end Fairchild Swamp Unit, Triangle, Devils Garden District, Modoc National Forest 1493 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
  CAS-BOT-BC225812  Lithophragma glabrum Edward Kent Balls 1950-5-11 14630 Modoc 8.1 mi. NE of Fort Bidwell, above Cow Head Lake, along 8-Mile Creek. 1463 Comment
  CAS-BOT-BC225817  Lithophragma glabrum Bruce Bartholomew; Barrett Anderson 1988-5-12 4112 Modoc S side of Egg Lake. 1300 Comment
  CAS-BOT-BC225820  Lithophragma glabrum Bruce Bartholomew; Barrett Anderson 1989-4-28 4644 Modoc 8.8 km N of State Highway 299 on road to Raker & Thomas Reservoir. 1470 Comment
  UC570874  Lithophragma glabrum Mrs. B. A. Crabtree 1926-4-12 2885 a Modoc Davis Creek Comment
  RSA59363  Lithophragma glabrum E. K. Balls 1950-5-11 14630 Modoc 8.1 miles NE of Fort Bidwell. Above Cow Head Lake. Along 8 Mile Creek. 1463 Comment
  CAS-BOT-BC225824  Lithophragma parviflorum Bruce Bartholomew 1992-5-14 6279 Modoc SW side of White Horse Mountains, SW of White Horse Flat Reservoir. 1370 Comment
  CAS-BOT-BC225828  Lithophragma parviflorum Ernest Brown Babcock; George Ledyard Stebbins 1936-6-9 1837 Modoc Summit of Cedar Pass, Warner Mts. 1920 Comment
  HSC20219  Lithophragma parviflorum M. T. Milligan 1964-6-25 77 Modoc Upper Lassen Creek 1829 Comment
  RSA59724  Lithophragma parviflorum E. K. Balls 1950-5-18 14750 Modoc N of Upper Rush Creek Public Camp; 2.5 mi. east from Hwy. 299 1738 Comment
  CAS-BOT-BC437748  Lithophragma parviflorum Ella Dales Cantelow 1941-5-23 3530 Modoc 2 mi. W of Adin Summit, W of Alturas near US Highway 299. Comment
  CAS-BOT-BC225843  Lithophragma tenellum Francis Dorris Payne 1932-6-10 527 Modoc Parker Creek. 1584 Comment
  HSC26495  Lithophragma tenellum J. P. Smith, J. O. Sawyer 1972-5-6 5260 Modoc USFS Road to Quail Spring at Hwy. 299 N of Adin 1463 Comment
  JEPS16248  Lithophragma tenellum E. B. Babcock and G. L. Stebbins Jr. 1936-6-9 1837 Modoc Summit of Cedar Pass; Warner Mts., summit of Cedar Pass 1920 Comment
  RSA152454  Lithophragma tenellum I. L. Wiggins, Dorothy Wiggins 1961-6-12 16425 Modoc Near summit of Cedar Pass. Between Alturas and Cedarville. 1936 Comment
  CAS-BOT-BC54040  Lithospermum ruderale Edward Kent Balls 1950-5-11 14614 Modoc 2 mi. N of Lake City, W of Upper Alkali Lake. 1417 Comment
  CAS-BOT-BC54075  Lithospermum ruderale Francis Dorris Payne 1932-6-22 576 Modoc Parker Creek. 1584 Comment
  CHSC112504  Lithospermum ruderale L. P. Janeway; B. Castro 2014-6-2 11310 Modoc Great Basin.Along County Road 1, 1.0 km north of the road to the southwest corner of Cow Head Lake (County Road 5), on the east side of Long Canyon, low in the canyon. 1566 Comment
  CAS-BOT-BC21438  Lomatium bicolor var. leptocarpum Bruce Bartholomew; M; M. Gilbert; L. E. Skog 1993-5-10 6442 Modoc Just NE of Davis Creek Cemetery, 1.3 km E of Davis Creek. 1500 Comment
  CHSC107350  Lomatium bicolor var. leptocarpum Lowell Ahart; John Dittes 2011-6-22 17548 Modoc About 50 yards east of the road, about 100 yards northeast of the Pilot Butte Parking Lot, north edge of Ash Creek Floodplain, 1.1 miles (air) south of County road 87, 7.7 miles (air) west of Adin, 10 miles (air) east of Lookout, Big Valley. 1264 Comment
  RSA271897  Lomatium bicolor var. leptocarpum Christopher Davidson 1975-6-4 2598 Modoc 0.4 miles E of Hwy 395 on Hwy 299 toward Cedarville. 1380 Comment
  RSA452580  Lomatium bicolor var. leptocarpum Christopher Davidson 1975-6-4 2598 Modoc 0.4 miles E of Hwy 395 on Hwy 299 toward Cedarville. 1380 Comment
  UC1561074  Lomatium bicolor var. leptocarpum Dean Wm. Taylor with Glenn L. Clifton and Rexford E. Palmer 1987-6-7 9015 Modoc s.e. margin Egg Lake (along outlet stream draining into Kramer Reservoir); Upper Modoc plateau, Egg Lake 1408 Comment
  CAS-BOT-BC21432  Lomatium canbyi Bruce Bartholomew 1993-4-4 6413 Modoc Barrel Spring Road, W of Big Mud Lake and S of Cow Head Lake. 1740 Comment
  RSA584732  Lomatium canbyi Bruce Bartholomew 1993-5-10 6477 Modoc Modoc County: NW side of Barrel Spring Road near NW corner of Mud Lake, Sagebrush flat., 41Y 52 29N, 120Y 2 13W 1680 Comment
  RSA97159  Lomatium dissectum var. multifidum F. W. Peirson 1926-6-25 6870 Modoc Warner Mountains, road to Cedarville, summit of grade Comment
  NY1141602  Lomatium gormanii H. D. D. Ripley 1944-6-1 6000 Modoc Cedar Pass, Warner Mountains 1920 Comment
  CAS-BOT-BC497342  Lomatium grayi G. Schoolcraft 1999-7-13 2866 Modoc Warner Mts. N of Stowe Reservoir 1981 Comment
  NY1160601  Lomatium leptocarpum A. Tiehm 1984-7-30 8827 Modoc 8.9 road miles NE of Ft. Bidwell on the main road to Adel, just past the road summit. 1615 Comment
  CAS-BOT-BC30143  Lomatium macrocarpum E. S. Willits 1940-4-16 183 Modoc Willow Ranch, Hwy 395. Comment
  HSC69597  Lomatium macrocarpum Gary Schoolcraft 1980-4-29 217 Modoc Near intersection of Hwy. 299 and 395, N of Alturas 1494 Comment
  POM78482  Lomatium macrocarpum Mrs. R. M. Austin 1895-08 432 Modoc Goose Lake Comment
  HSC42214  Lomatium nevadense S. Saufferer 1973-5-5 132 Modoc About 7 1/2 mi. S of Pine Creek along Hwy. 395 Comment
  RSA164355  Lomatium nevadense Clare B. Hardham 1961-6-18 7590 Modoc Cedar Pass. 1829 Comment
  CAS-BOT-BC15764  Lomatium nudicaule Annie Montague Alexander; L. Kellogg 1946-6-14 4771 Modoc Silver Creek branch of Patterson Mill road. 1828 Comment
  CAS-BOT-BC15766  Lomatium nudicaule Bruce Bartholomew; Barrett Anderson 1988-6-23 4292 Modoc S side of Egg Lake, ca. 1.5 km W of the Burlington Northern railroad track. 1300 Comment
  CAS-BOT-BC15770  Lomatium nudicaule K. Paulson; Robert Paulson 1988-6-19 55 Modoc Loveness road. 1493 Comment
  CAS-BOT-BC15727  Lomatium piperi James Vale 1981-5-22 s.n. Modoc Stowe Lake area, Warner Mountains Comment
  CHSC85164  Lomatium triternatum var. macrocarpum John Dittes; Josephine Guardino 1991-7-21 428 Modoc Modoc Plateau; Big Valley; Ash Creek Wildlife Area; ca. 5.7 air-miles northeast of Bieber, ca. 7.6 air-miles west of Adin, ca. 1.5 air-mile southeast of Pilot Butte summit; meadow at northern edge of Ash Creek Floodplain (Big Swamp) at southeast base of Pilot Butte. 1258 Comment
  HSC28526  Lomatium triternatum var. macrocarpum D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19383 Modoc Along Hager Basin Rd. near Big Sage Reservoir. Comment
  SEINET10545662  Lomatium triternatum var. macrocarpum Jeffrey Huber 1971-6-3 Huber 99 Modoc 5 mi. S of Canby on CA Hwy. 299. 1280 Comment
  CAS-BOT-BC21417  Lomatium triternatum var. triternatum M. M. Hanna 1956-6-4 s.n. Modoc Cedar Pass. Comment
  CAS-BOT-BC21427  Lomatium triternatum var. triternatum B. J. Cox; P. Gillian 1971-6-3 2613 Modoc 6 mi. N of Alturas on Hwy 395. 1341 Comment
  SEINET9672910  Lomatium vaginatum M. J. Williams 1988-5-30 88- 26 -5 Modoc Jess Valley, E of Likely, south of roadside rest 1524 Comment
  UC1187699  Lomatium vaginatum Tracey and Viola Call 1961-5-30 2055 Modoc 16 mi N of Alturas Comment
  UC28535  Lonicera interrupta Milo S. Baker 1893-8-13 Modoc Comment
  SEINET3523632 Image available Lotus americanus Annie M. Alexander, Louise Kellogg 1946-7-7 4934 Modoc Eight Mile Creek, NE corner of county 1753 Comment
  UC1523716  Lotus crassifolius var. crassifolius Lisa Ganio 1983-7-13 8 Modoc 0.25 mi e U.S.F.S. boundary Comment
  CAS-BOT-BC181955  Lotus denticulatus Bruce Bartholomew 1991-7-4 5925 Modoc Vicinity of Pine Spring between Miller Gulch and Twin Lakes. 1420 Comment
  CAS-BOT-BC181959  Lotus denticulatus Bruce Bartholomew; Barrett Anderson 1989-6-3 4913 Modoc 5 km W of County Route 91 along the N side of the Pit River. 1340 Comment
  JEPS118255  Lotus denticulatus Lowell Ahart, John Dittes 2011-6-22 17545 Modoc On the west side of the road, about 30 yards north of the Pilot Butte Parking Lot, north edge of Ash Creek Floodplain, 1.1 miles (air) south of County Road 87, 7.7 miles (air) west of Aden [Adin], 10 miles (air) east of Lookout, Big Valley 1264 Comment
  UC15563  Lotus denticulatus Milo S. Baker 1893-7-21 Modoc Comment
  CAS-BOT-BC181938  Lotus purshianus var. purshianus Bruce Bartholomew; Barrett Anderson 1988-6-25 4400 B Modoc Ryan Canyon, N of Adin. 1390 Comment
  JEPS117168  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
  RSA504839  Lotus unifoliolatus Bruce Bartholomew, B. Anderson 1988-7-22 4485 Modoc Vicinity of East Creak Trailhead, southern end of the Warner Mountains; Sierran Montane forest. 2210 Comment
  CAS-BOT-BC181927  Lupinus C. P. Smith 1947-6-13 47462 Modoc Highway 395, Pine Creek (town) 0.8 mi. S. Comment
  CAS-BOT-BC181930  Lupinus Bruce Bartholomew; Barrett Anderson 1988-6-24 4348 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-BC181934  Lupinus M. Vasey 1990-6-29 9021 Modoc Along North Emerson Trail, near pass. South Warner Wilderness 2377 Comment
  UC663386  Lupinus Francis Drouet and Donald Richards 1941-9-12 4202 Modoc along the North Fork of the Pit River ne Alturas; along the north fork of the Pit River 1341 Comment
  CAS-BOT-BC181922  Lupinus arbustus Elmer Ivan Applegate 1932-8-1 8059 Modoc S slope of Werren Peak, Warner Mts. Comment
  JEPS64957  Lupinus arbustus Leland S. Smith 1917-6-10 798 Modoc Jess Valley Warner Mts., Jess Valley 1524 Comment
  JEPS65302  Lupinus arbustus W. L. Jepson 1918-8-6 7841 Modoc Surprise Valley 1447 Comment
  UC624911  Lupinus argenteus Fred H. Schumacher 1934-9-5 Modoc Canby Comment
  UC865118  Lupinus argenteus Lewis S. Rose 1940-6-14 40564 Modoc Kelly Hot Springs 1341 Comment
  RSA78893  Lupinus argenteus var. argenteus E. K. Balls, Percy C. Everett 1952-10-11 18159 Modoc 5.2 miles northwest of junction of Highway 299 and 139, west of Alturas. 1524 Comment
  CAS-BOT-BC196342  Lupinus argenteus var. argenteus Mrs. A. H. Rodda 1932-7-1 s.n. Modoc Near Macarthur [McArthur] Comment
  CAS-BOT-BC182082  Lupinus argenteus var. heteranthus Alice Eastwood; John Thomas Howell 1940-6-13 8124 Modoc Near Davis Creek. Comment
  CAS-BOT-BC182087  Lupinus argenteus var. heteranthus C. P. Smith 1947-6-13 47455 Modoc Highway 395, Davis Creek (town), 6.4 mi. S. Comment
  CAS-BOT-BC182102  Lupinus argenteus var. heteranthus Annie Montague Alexander; L. Kellogg 1946-6-30 4869 Modoc Highgrade, W side of ridge N end of Warner Mts. 1484 Comment
  CAS-BOT-BC182107  Lupinus argenteus var. heteranthus Elmer Ivan Applegate 1923-9-17 3830 Modoc SE of Lower Klamath Lake. Comment
  CAS-BOT-BC182113  Lupinus argenteus var. heteranthus C. P. Smith 1947-6-13 47464 Modoc Highway 395, Pine Creek (town) 0.8 mi. S. Comment
  CHSC109679  Lupinus argenteus var. heteranthus Lowell Ahart; John Dittes 2012-7-10 18330 Modoc About 300 yards northeast of the old barn, on the sides of the mowed road. Ash Creek State Wildlife Area, about 3.9 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  UC748290  Lupinus argenteus var. heteranthus Annie M. Alexander and Louise Kellogg 1946-6-12 4739 Modoc Fandango Pass road, W side 1706 Comment
  CAS-BOT-BC182022  Lupinus argenteus var. meionanthus Elmer Ivan Applegate 1932-8-1 8043 Modoc Arid E slope of Warren Peak, Warner Mts. 2743 Comment
  UCR101906  Lupinus argenteus var. palmeri G. R. Ballmer 1988-7-20 s.n. Modoc Warner Mountains, Horse Ridge, near NW corner of the South Warner Wilderness Game Refuge, SW of Cedarville 2134 Comment
  SEINET10970215  Lupinus argenteus var. tenellus David B. Dunn 1954-9-3 Dunn 11808 Modoc Just N of Timber Mountain turnoff along Hwy 139. Comment
  CAS-BOT-BC181891  Lupinus brevicaulis Bruce Bartholomew 1991-6-22 5843 Modoc E side of Surprise Valley, 9.6 km E of Eagleville at the Nevada border. 1520 Comment
  NY746670  Lupinus brevicaulis M. J. Williams 1988-6-2 88- 28 --3 Modoc Jess Valley, east of Likely, south of roadside rest Comment
  RSA520379  Lupinus latifolius subsp. latifolius Bruce Bartholomew, B. Anderson 1989-6-1 4753 Modoc Ca. 0.5 km west of Davis Creek on road to south end of Goose Lake. 1460 Comment
  JEPS65336  Lupinus lepidus var. lobbii Frances D. Payne 1931-6-29 307 Modoc e slope of Mt. Warren; Warner Mountains, e slope of Mt. Warren 2286 Comment
  UC748299  Lupinus lepidus var. lobbii Annie M. Alexander and Louise Kellogg 1946-8-9 5133 Modoc Patterson Lake Trail on trail near Lake Patterson; Warner Mountains, Patterson Lake Trail Comment
  UCR35564  Lupinus lepidus var. lobbii J. A. Harpel 1981-8-7 V- 56 Modoc Warner Mtns, South Warner Wilderness Area: on the pass above Patterson Lake along the Summit trail, 7 mi NW of Eagleville 2774 Comment
  CAS-BOT-BC181858  Lupinus lepidus var. sellulus Bruce Bartholomew 1991-7-6 5974 Modoc Curtis Waterhole and adjacent lava outcrops. 1310 Comment
  CAS-BOT-BC181866  Lupinus lepidus var. sellulus John Thomas Howell 1934-7-1 12302 Modoc Duncan Horse Camp. 1355 Comment
  UC1540133  Lupinus lepidus var. sellulus Dean Wm. Taylor and Glenn L. Clifton 1987-6-24 9053 Modoc Egg Lake, extreme se portion of lakebed Egg Lake 1280 Comment
  CAS-BOT-BC181854  Lupinus leucophyllus K. Paulson 1976-7-1 Modoc W of Canby on road to Happy Camp Guard Station. 1524 Comment
  CAS-BOT-BC181839  Lupinus microcarpus var. microcarpus Alice Eastwood; John Thomas Howell 1940-6-13 8160 Modoc E side of Fandango Pass. Comment
  CAS-BOT-BC181846  Lupinus microcarpus var. microcarpus Edward Kent Balls 1950-5-18 14763 Modoc By Lower Rush Creek Public Camp. 1310 Comment
  UC126963  Lupinus microcarpus var. microcarpus Mrs. R. M. Austin and Bruce July 1898 154 Modoc Goose Lake Comment
  CAS-BOT-BC181850  Lupinus microcarpus var. microcarpus R. M. Austin Modoc 2 mi. W of Adin Summit, W of Alturas near US Highway 299. Comment
  POM10817  Lupinus polycarpus C. F. Baker 1893-08 6953 Modoc No location listed on label. Comment
  RSA59713  Lupinus polycarpus E. K. Balls 1950-5-18 14763 Modoc Lower Rush Creek Public Camp, off Hwy. 299, 8 mi. N. of Adin. 1311 Comment
  CAS-BOT-BC497470  Lupinus polyphyllus Margaret J. Williams 1988-5-30 88- 22 -1 Modoc Crowder Flat road, NW of Alturas 1524 Comment
  NY747606  Lupinus polyphyllus var. saxosus B. M. Bartholomew 1989-4-28 4645 Modoc 8.8 km north of State Highway 299 on road to Raker and Thomas Reservoir 1470 Comment
  CAS-BOT-BC181815  Lupinus saxosus Gordon H. True 1964-6-3 1428 Modoc Between Alturas and Goose Lake, North fork Pit River. 1432 Comment
  CAS-BOT-BC181821  Lupinus saxosus Alice Eastwood; John Thomas Howell 1940-6-11 8018 Modoc 7 mi. SW of Canby. Comment
  JEPS65434  Lupinus saxosus E. H. Stiffen 1917-6-10 41 Modoc Jess Valley , Jess Valley (Warner Mountains) 1524 Comment
  JEPS65435  Lupinus saxosus Leland S. Smith 1917-6-10 801 Modoc Jess Valley; Warner Mountains, Jess Valley 1524 Comment
  SBBG3706  Lupinus saxosus H. and M. Dearing 1936-6-9 3631 Modoc near Squaw Peak, Warner Mtns 2133 Comment
  SEINET10486216  Lupinus saxosus Billy Joe Cox 1971-6-3 Cox 2608 Modoc 6 mi n of alturas on u.s. Hwy. 395, W-facing slope, in middle of grassland Pasture, edging into artemesia which adjoins juniper woodland. Lupinus sp. In Very dense populations on every slope for over a mile n, more or less a valley Side in decomposing basalt with lighter soil above. 1341 Comment
  SEINET3145143  Lupinus saxosus E. K. Balls 1950-5-10 15965 Modoc 0.5 mi past fork of Hwy 395 and road from Alturas and Cedarville 1585 Comment
  CAS-BOT-BC245039  Luzula comosa Bruce Bartholomew; Barrett Anderson 1988-7-23 4566 Modoc Dismal Swamp, Warner Mts.. 2180 Comment
  UC1024340  Luzula spicata Annie M. Alexander and Louise Kellogg 1946-7-29 5087 Modoc head Eagle Creek; Warner Mountains, head of Eagle Creek Comment
  CAS-BOT-BC179108  Lythrum tribracteatum Herbert Louis Mason; Verne Grant 1947-7-10 13324 Modoc Dorris Reservoir, 2 mi. E of Alturas. 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
  POM229965  Machaeranthera canescens var. shastensis L. C. Wheeler 1935-8-27 3924 Modoc South Mountain, Devil's Garden 1585 Comment
  RSA628301  Machaeranthera canescens var. shastensis L. C. Wheeler 1973-8-26 s.n. Modoc Warner Mountains: 1 1/2 mile north of Sworinger Reservoir. 1767 Comment
  HSC28864  Madia citriodora D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19482 Modoc Upper Rush Creek Campground, about 8 mi. N of Adin on Hwy. 299 Comment
  RSA94362  Madia citriodora J. T. Howell 1934-6-11 11923 Modoc Parker Creek, Warner Mts. 1585 Comment
  CAS-BOT-BC49431  Madia elegans Bruce Bartholomew 1994-7-4 6852 Modoc N side of the Pit River along County Road 84, 3.5 km W of State Hwy 299. 1340 Comment
  POM54288  Madia elegans subsp. elegans Milo S. Baker 1899-8-18 s.n. Modoc Little Hot Spring Valley Comment
  UC89361  Madia exigua Mrs. R. M. Austin July 1894 281 Modoc Davis Creek Comment
  CAS-BOT-BC49405  Madia glomerata Margaret J. Williams 1983-7-29 83- 116 -2 Modoc 1.1 mi. N of Stowe Reservoir Campground, N of Cedar Pass, Warner Mtns. Comment
  UCR67038  Madia glomerata George K. Helmkamp 1990-9-23 I- 26 Modoc Warner Mtns, Goose Lake, within 0.1 mi of the Oregon border 1476 Comment
  RSA608434  Madia glomerata L. C. Wheeler 1935-8-27 3923 Modoc 1 mile east of South Mountain, Devil's Garden 1524 Comment
  UCR66732  Madia gracilis J. T. Howell 1934-6-12 12025 Modoc Warner mtns. Plum Valley 1660 Comment
  RSA540059  Madia gracilis subsp. gracilis Bruce Bartholomew 1990-6-15 5210 Modoc Kelly Spring, 5.5 km south-southeast of Highway 299 on road from Rush Creek 1640 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-BC242033  Maianthemum racemosum Elmer Ivan Applegate 1932-8-7 8227 Modoc Lily Lake, Bidwell Pass. Comment
  HSC1963  Maianthemum stellatum M. T. Milligan 1966-7-1 515 Modoc N end of Jess Valley. 1616 Comment
  UCD139122  Maianthemum stellatum Verne Grant; Irving Schneider 1947-7-22 8141 Modoc North Fork of Pit River on Highway 395, about one mile north of junction with Cedarville road. Comment
  CAS-BOT-BC179100  Malva neglecta Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16402 Modoc Along Thoms Creek, 6.1 mi. E of Hwy. 288, along Cedar Pass road. Comment
  JEPS65520  Medicago lupulina Frances D. Payne 1931-6-17 178 Modoc s and e of Alturas (Warner Mountains, Parker Creek); Warner Mountains, Parker Creek 1584 Comment
  UC1024894  Melica fugax Leo Whitney 1935-5-24 3120 Modoc ca 15 mi nw Canby (Hackamore); Modoc National Forest, Hackamore 1463 Comment
  HSC15013  Melilotus officinalis Fred J. Kindel 1955-6-23 Modoc Pitt River Comment
  UC1191908  Mentha canadensis Herbert L. Mason 1947-8-12 13505 Modoc junction of North and South Forks of Pit River Alturas; jct of North and South Forks of Pit River Comment
  CAS-BOT-BC179859  Mentha spicata Bruce Bartholomew 1992-8-10 6402 Modoc Rush Creek just N of Round Valley on Highway 299. 1350 Comment
  CAS-BOT-BC179148  Mentzelia dispersa Bruce Bartholomew; Barrett Anderson 1989-6-3 4888 Modoc Boles Creek, ca. 5.5 km E of the SE corner of Clear Lake Reservoir. 1430 Comment
  HSC15866  Mentzelia dispersa M. T. Milligan 1965-6-30 402 Modoc Slopes and ridges E of Jess Valley. 1768 Comment
  UC1075755  Mentzelia dispersa Robert J. Weatherby 1955-7-8 1611 Modoc 7 mi n Ft. Bidwell; Northern Warner Mts.,Northern Juniper Woodland 1874 Comment
  UC1563715  Mentzelia dispersa Barbara Ertter 1988-6-18 7608 Modoc NE Dry Lake (W side hwy 139 just S of where it crosses railroad at jct to Clear Lake,); E of lava Beds Nat'l Monument 1249 Comment
  SJSU9605  Mentzelia dispersa W. Savage 1979-7-5 1373 Modoc Triangle, Antelope Plainsa Unit, Devils Garden District, Modoc National Forest 1493 Comment
  RSA59941  Mentzelia laevicaulis E. K. Balls 1950-5-13 14663 Modoc Goose Lake, east shore about Willow Ranch. 1463 Comment
  CAS-BOT-BC179123  Mentzelia montana Annie Montague Alexander; L. Kellogg 1946-7-7 4946 Modoc Eight Mile Creek. 1752 Comment
  UC1121668  Mentzelia montana M. H. Mitchell 1936-5-21 47 Modoc 2 mi SE Hospital Rock; Modoc Lava Beds Natl. Mon., Dorris Quadrangle 1249 Comment
  RSA165653  Mentzelia montana Clare B. Hardham 1961-5-20 7866 Modoc Warner Mountains, Pine Creek. 1524 Comment
  CAS-BOT-BC54044  Mertensia ciliata Bruce Bartholomew 1995-6-23 6997 Modoc 2.4 km N of Forest Road 30 on road from Hall Meadow to Plume Valley Camp Ground. 1770 Comment
  CAS-BOT-BC54046  Mertensia cusickii Bruce Bartholomew 1990-6-16 5272 Modoc Rock outcrops between roadhead and Pine Creek Basin, W side of Warner Mountains. 2160 Comment
  JEPS70775  Mertensia longiflora L. S. Smith 1919-5-1 1083 Modoc Modoc Nat'l Forest, Warner Mts., South Warners 1828 Comment
  OBI48152  Mertensia longiflora Rhonda Riggins 1989-4-28 1673 Modoc 0.3 mi W West Warner Rd. on Parker Creek Rd., W side of Warner Mtns. 1463 Comment
  CAS-BOT-BC54011  Mertensia oblongifolia var. amoena Roxana Stinchfield Ferris; R. Duthie 1919-6-13 125 Modoc Parker Creek. Comment
  RSA531352  Mertensia oblongifolia var. nevadensis Bruce Bartholomew, B. Anderson 1988-6-24 4301 Modoc Road beyond Poison Lake, ca. 8 km S of the road from Hwy 395 to Lily Lake, Warner Mountains. 2130 Comment
  UC1237944  Mertensia oblongifolia var. nevadensis John Weiler and A. P. Nelson May 26-29 1961 61225 -757 Modoc On steeps slopes above highway at Cedar Pass, Warner Mountains. Comment
  CAS-BOT-BC54021  Mertensia oblongifolia var. oblongifolia Elmer Ivan Applegate 1932-7-9 7615 Modoc N side of Bidwell Mountain, Warner Mountains Comment
  CAS-BOT-BC58778  Mertensia oblongifolia var. oblongifolia R. M. Austin; C. C. (Mrs.) Bruce 1898-6-1 2261 Modoc Canons, Modoc County. Comment
  CAS-BOT-BC429024  Micranthes nidifica Ira L. Wiggins; Dorothy B. Wiggins 1961-6-12 16423 Modoc Near summit of Cedar Pass, between Alturas & Cedarville 1935 Comment
  CAS-BOT-BC49390  Microseris laciniata subsp. laciniata Leland S. Smith 1924-6-8 1382 Modoc Egg Lake near SW corner in meadow. 1341 Comment
  CAS-BOT-BC49352  Microseris nutans Bruce Bartholomew 1991-6-20 5781 Modoc NE side of Barber Ridge, 10 km NW of Adin on road to Fox Mountain. 1580 Comment
  CAS-BOT-BC49359  Microseris nutans Bruce Bartholomew 1989-7-15 5011 Modoc Manzanita Lookout, top of Manzanita Mountain. 2130 Comment
  CAS-BOT-BC49363  Microseris nutans John Thomas Howell 1934-6-13 12057 Modoc Fandango Pass. 1828 Comment
  HSC81137  Microseris nutans G. M. Riegel 1979-7-2 462 Modoc South Warner Mtns. 2100 Comment
  RSA164319  Microseris nutans Clare B. Hardham 1961-6-18 7590 Modoc Cedar Pass. 1829 Comment
  CAS-BOT-BC197910  Microsteris gracilis Roxana Stinchfield Ferris; R. Duthie 1919-6-14 105 Modoc Hillslope above Parker Creek. Comment
  CAS-BOT-BC197914  Microsteris gracilis Fred D. Douthitt 1916-5-17 29 Modoc Flournoy Swale. 1828 Comment
  CAS-BOT-BC197918  Microsteris gracilis Bruce Bartholomew; Mona Bourell 1990-4-26 5154 Modoc 0.5 km S of Day. 1100 Comment
  CHSC85099  Microsteris gracilis John Dittes; Josephine Guardino 1991-6-1 377 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
  POM204117  Microsteris gracilis subsp. gracilis J. T. Howell 1934-6-12 12023 Modoc Warner Mountains: Plum Valley Comment
  RSA152448  Microsteris gracilis subsp. gracilis I. L. Wiggins, Dorothy Wiggins 1961-6-13 16452 Modoc Wet meadow at southern outskirts of Fort Bidwell Comment
  HSC20803  Mimulus breviflorus M. T. Milligan 1964-7-1 114 Modoc W end of Ballard's Reservoir, along shore. 1372 Comment
  UC1249273  Mimulus breweri Arthur Cronquist, Arthur H. Holmgren 1959-6-20 8520 Modoc between Cedarville and Alturas; Warner Mts., Cedarville Pass 1950 Comment
  UC69690  Mimulus breweri Mrs. M. H. Manning 1903-8-21 315 Modoc Mt. Bidwell 1981 Comment
  JEPS86967  Mimulus cusickii David M. Thompson 1988-7-23 975 Modoc 3.7 mi s Hwy 299 at Cedarville (along Surprise Valley Road, then 1.5 mi w along Granger Canyon Road); Warner Mts. 1500 Comment
  UC1778581 Image available Mimulus cusickii S. E. Schoenig 1998-7-4 98 -67 Modoc Gravely slide on N side of Granger Cyn. Rd., 1.5 mi W of Surprise Valley Rd. This intersection being 3.7 miles S of Hwy 299 at Cederville. 1493 Comment
  UC445217  Mimulus guttatus Mrs. M. H. Manning 1907-1 Modoc e side Mt. Bidwell; 12 Mile Creek Comment
  POM43666  Mimulus guttatus R. M. Austin 514 Modoc Goose Lake Valley. 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
  RSA503241  Mimulus lewisii Bruce Bartholomew, B. Anderson 1988-7-22 4537 Modoc Side Creek, W side of Lake City Canyon, E side of the Warner Mountains. 1980 Comment
  UC748138  Mimulus lewisii Annie M. Alexander and Louise Kellogg 1946-7-24 5064 Modoc at creek on trail to Emerson Camp (Bear Camp Flat); Warner Mountains Comment
  UC445200  Mimulus moschatus Mrs. M. H. Manning 1903-7-9 295 Modoc near Fort Bidwell Comment
  UC76061  Mimulus moschatus Milo S. Baker July, 1898 545 Modoc Forestdale Comment
  HSC26012  Mimulus nanus var. nanus D. H. Norris, S. Dowty, T. Nelson 1971-6-23 19372 Modoc Along the S Fork of the Pit River, ~6 mi. E of Likely. Comment
  RSA186209  Mimulus nanus var. nanus Clare B. Hardham 1961-6-19 7841 Modoc Willow Creek, Warner Mountains. 1524 Comment
  RSA535447  Mimulus nanus var. nanus David M. Thompson 1988-6-2 925 Modoc Ca. 6.8 mi NW of Canby. 0.1 mi SE of turnoff for Howard's Gulch Campground along Hwy 139. 1500 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
  SBBG98583  Mimulus pygmaeus D. M. Thompson 1988-6-3 927 Modoc Egg Lake, S end; between Kramer Reservoir and White Horse-Lookout Rd along intermittent stream; 2.3 rd mi W of railroad crossing 1299 Comment
  SEINET3367733 Image available Mimulus rubellus Annie M. Alexander, Louise Kellogg 1946-7-24 5078 Modoc Bear Camp Flat, Warner Mountains. 2286 Comment
  UC1025084  Mimulus tricolor Leo Whitney 1935-6-2 3179 Modoc near White Horse; White Horse lake (flat) Comment
  UCSB48513  Minuartia nuttallii Hardham, Clare 1961-6-20 Modoc Bidwell road to Dismal Creek 2438 Comment
  CAS-BOT-BC225803  Mitella pentandra Bruce Bartholomew; Barrett Anderson 1988-6-24 4335 Modoc Lily Lake, W side of the Warner Mts.. 2130 Comment
  CAS-BOT-BC179373  Monardella odoratissima subsp. glauca Clare Butterworth Hardham 1974-8-6 20170 Modoc N slopes, N side Cedar Pass. Comment
  CAS-BOT-BC222026  Monardella odoratissima subsp. glauca Marion Ownbey; Fred G. Meyer 1940-7-1 2150 Modoc Cedar Peak, Warner Mts. Comment
  CAS-BOT-BC179357  Monardella odoratissima subsp. pallida Bruce Bartholomew 1995-6-22 6978 Modoc Between Day and Lookout, 7.4 km W of Day on County Road 94 along Widdow Valley Creek. 1350 Comment
  UC25509  Monardella odoratissima subsp. pallida Milo S. Baker 1893-6-20 Modoc At Egg Lake Comment
Read comments
Oct 10 2006
  RSA504610  Monardella odoratissima subsp. pallida Bruce Bartholomew, B. Anderson 1988-7-21 4419 Modoc S end of Whitehorse Flat Reservoir 1340 Comment
  CAS-BOT-BC95544  Monolepis nuttalliana Elmer Ivan Applegate 1897-5-7 845 Modoc Clear Lake. Comment
  CAS-BOT-BC95546  Monolepis nuttalliana Bruce Bartholomew 1989-7-14 4959 Modoc Survice Gulch ca. 3 km NE of Egg Lake. 1340 Comment
  JEPS17208  Montia chamissoi Frances D. Payne 1932-6-27 616 Modoc s and e of Alturas (Parker Creek); Warner Mountains, Parker Creek 1584 Comment
  UC71835  Montia chamissoi Mrs. M. H. Manning 1903-5-1 115 Modoc near Fort Bidwell (in north-eastern Modoc Count) Comment
  UC748122  Montia chamissoi Annie M. Alexander and Louise Kellogg 1946-6-22 4814 Modoc Lake Annie 1524 Comment
  CHSC107374  Montia dichotoma Lowell Ahart; John Dittes 2011-6-22 17551 Modoc On the west side of the road, about 50 yards north of the Pilot Butte Parking Lot, north edge of Ash Creek Floodplain, 1.1 miles (air) south of County Road 87, 7.7 miles (air) west of Aden, 10 miles (air) east of Lookout, Big Valley. 1264 Comment
  CAS-BOT-BC197507  Montia fontana Elmer Ivan Applegate 1932-8-2 8082 Modoc Mill Creek Meadow, Warner Mts. Comment
  CAS-BOT-BC197502  Montia linearis Bruce Bartholomew 1991-6-21 5816 Modoc N side of Mud Lake, 5.8 km S of Forest Service road 73 on road to Rim Rock Valley. 1570 Comment
  CHSC117848  Montia linearis L. P. Janeway 2016-5-16 11997 A Modoc Modoc Plateau. Devils Garden area; along Road 46N05A (Applegate Trail Southern Route) 0.3 km west of Road 46N02; 2.4 air-km east-southeast of Green Tank Reservoir and Green Spring Reservoir. 1569 Comment
  SEINET3025752  Montia linearis Annie M. Alexander, Louise Kellogg 1946-6-14 4755 Modoc Patterson Mill-- Silver Creek roads 1830 Comment
  SACT001578  Muhlenbergia asperifolia Herbert Mason 1947-8-15 Modoc Mouth of creek on Willow Ranch, east of Goose Lake. Comment
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Aug 21 2013
  UC1025045  Muhlenbergia filiformis Leo Whitney 1935-8-19 3624 Modoc ca 15 mi nw Canby; Modoc National Forest, Lake Joaquina, Hackamore 1463 Comment
  RSA757477  Muhlenbergia richardsonis Barbara Ertter 1988-6-18 7609 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
  SEINET8400744  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
  UC1731496  Myosurus apetalus Dean Wm. Taylor with Glenn L. Clifton 1992-5-7 12530 Modoc just above western rim of Black Canyon (0.5 mi downstream of Duncan Reservoir, in creek draining the reservoir, Modoc Plateau); Modoc Plateau 1524 Comment
  CAS-BOT-BC217295  Myosurus minimus Bruce Bartholomew; Barrett Anderson 1988-5-14 4200 Modoc Pease Cabin, 0.8 km E of Fletcher Creek on USFS road 47N09 between Goose Lake and Crowder Flats. 1550 Comment
  CHSC85126  Myosurus minimus John Dittes; Josephine Guardino 1991-6-1 353 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-BC198011  Navarretia breweri Alice Eastwood; John Thomas Howell 1940-6-13 8133 Modoc W side of Fandango Pass. Comment
  CHSC67119  Navarretia breweri James D. Jokerst 1987-6-24 2936 Modoc NE of Doublehead Mtn. along the edges of road to Red Lake. Comment
  UC190591  Navarretia breweri M. F. Gilman 516 Modoc 1981 Comment
  UC23424  Navarretia capillaris M. S. Baker and Frank Nutting 1894-6-29 Modoc Big Valley near Lookout; Big Valley near Lookout Comment
  SD71336  Navarretia divaricata John Thomas Howell, Alice Eastwood 1940-6-15 8288 Modoc 9 miles north of Lookout Comment
  CAS-BOT-BC197997  Navarretia divaricata subsp. vividior Bruce Bartholomew; Barrett Anderson 1988-6-25 4396 Modoc Ryan Canyon, N of Adin. 1390 Comment
  CAS-BOT-BC197992  Navarretia intertexta subsp. intertexta Clare Butterworth Hardham 1974-8-6 20173 Modoc Cedar Pass, Warner Mts. 1935 Comment
  CAS-BOT-BC197976  Navarretia intertexta subsp. propinqua Bruce Bartholomew; Barrett Anderson 1990-7-19 5433 Modoc Sweagert Flat. 1860 Comment
  SJSU9537  Navarretia intertexta subsp. propinqua W. Savage 1979-7-3 1276 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  CAS-BOT-BC197959  Navarretia leucocephala subsp. minima K. Paulson; Robert Paulson 1989-7-2 158 Modoc Vicinity of Craig Spring, ca. 2 mi. NE of Happy Camp. 1447 Comment
  CHSC85115  Navarretia leucocephala subsp. minima John Dittes; Josephine Guardino 1991-7-21 424 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
  UC1199811  Navarretia leucocephala subsp. minima Herbert L. Mason 1957-6-21 14705 Modoc w side Said Valley Comment
  UC23426  Navarretia sinistra Mrs. R. M. Austin June, 1894 Modoc Willow Creek Valley Comment
  RSA67203  Navarretia sinistra Verne Grant, Alva Grant 1947-7-13 8013 Modoc At west end of Fandango Valley, road from Goose Lake to Fort Bidwell Comment
  RSA83300  Navarretia sinistra Verne Grant, Alva Grant 1947-7-13 8015 Modoc Fandango Pass, Warner Mountains. Comment
  UC1021924  Nemophila breviflora Rolf Y. Berg 1955-6-22 Modoc w Cedarville (Cedar Pass Campground, Modoc National Forest); Modoc National Forest, w of Cedarville Comment
  CAS-BOT-BC179293  Nemophila pedunculata Annie Montague Alexander; L. Kellogg 1946-6-14 4754 Modoc Silver Creek branch of Patterson Mill road. 1828 Comment
  UC1178999  Nemophila pedunculata Herbert L. Mason 1947-7-8 13313 Modoc Cedar Pass , Cedar Pass (summit Warner Range) 1920 Comment
  RSA152442  Nemophila pedunculata I. L. Wiggins, Dorothy Wiggins 1961-6-12 16428 Modoc Near summit of Cedar Pass. Between Alturas and Cedarville. 1936 Comment
  UC71669  Neoholmgrenia andina Mrs. M. H. Manning 1904-7-16 384 Modoc se slope Mt. Bidwell 1950 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
  JEPS121204  Nicotiana attenuata Lowell Ahart, John Dittes 2013-7-25 18970 Modoc Elkins Lane, Ash Creek Wildlife Area, 320 feet N of Lassen County line, about 4.4 air miles W of Adin, about 7.2 air miles NE of Bieber, Big Valley. Comment
  CAS-BOT-BC49371  Nothocalais troximoides Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-13 6532 Modoc Just W of Mud Lake on road to West Valley Reservoir. 1460 Comment
  CAS-BOT-BC191142  Nuphar lutea subsp. polysepala Louis Cutter Wheeler 1935-8-14 3846 Modoc Lily Lake, Warner Mts. 2072 Comment
  RSA0013785  Nuphar lutea subsp. polysepala L. C. Wheeler 1935-8-14 3846 Modoc Lily Lake, Pine Creek, Warner Mts. 2073 Comment
  CAS-BOT-BC190811  Oenothera deltoides subsp. piperi Margaret J. Williams; Arnold Tiehm; Jan Nachlinger 1988-6-2 88- 27 -5 Modoc Hwy 0.4 mi E of Susanville road after turn to Alturas. Comment
  JEPS43963  Oenothera elata subsp. hirsutissima W. L. Jepson 1918-8-14 7989 Modoc Jess Valley 1584 Comment
  UC1540169  Oenothera flava subsp. flava Dean W. Taylor 1987-8-9 9284 Modoc 1371 Comment
  CAS-BOT-BC245091  Olsynium douglasii var. douglasii Bruce Bartholomew; M; M. Gilbert; L. E. Skog 1993-5-10 6430 Modoc 5 km NE of Davis Creek on road to Plum Valley Campground. 1700 Comment
  CDA7557  Onopordum acanthium T. C. Fuller 1958-7-8 902 -58 Modoc Hunt Estate Ranch, Lookout Road, 3.5 miles west of Adin. 0 Comment
  CDA7559  Onopordum acanthium T. C. Fuller 1958-7-9 900 -58 Modoc South of 4th Street, east of East Street, Alturas. 0 Comment
  CDA7562  Onopordum acanthium T. C. Fuller 1958-7-9 900 -58 Modoc South of 4th Street, east of East Street, Alturas. 0 Comment
  CHSC114679  Onopordum acanthium D. B. Joley 1976-5-23 2 Modoc Adin. Comment
  UC35315  Orobanche fasciculata Milo S. Baker 1893-7-2 Modoc Above flat mountains. Comment
  UC100822  Orobanche uniflora subsp. occidentalis Milo S. Baker 1890-1 87 Modoc Forestdale. Comment
  UC412736  Orthilia secunda Franklin P. Nutting Modoc Forestdale 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-BC232321  Orthocarpus cuspidatus subsp. copelandii K. Paulson; Robert Paulson 1989-6-14 133 Modoc Ca. 1.5 mi. NE of Cedar Pass, Warner Mts. 1920 Comment
  UC673450  Orthocarpus cuspidatus subsp. cryptanthus F. H. Frost 1925-7-25 Modoc Eagle Peak; Warner Mts., Eagle Peak Comment
  UC711900  Orthocarpus cuspidatus subsp. cryptanthus Roxana S. Ferris and Laura Lorraine 1941-8-14 10590 Modoc on road to Eagleville three mi from Patterson Ranger Station (Warner Mountains); Modoc National Forest, Warner Mountains Comment
  UC748086  Orthocarpus cuspidatus subsp. cryptanthus Annie M. Alexander and Louise Kellogg 1946-7-22 5036 Modoc Patterson Mill Road; Warner Mountains, Patterson Mill Road 2209 Comment
  RSA14098  Orthocarpus lacerus Elmer I. Applegate 1929-6-24 5893 Modoc Between Alturas and Davis Creek. Comment
  JEPS15913  Osmorhiza berteroi L. S. Smith 1918-7-22 1003 Modoc Blue Lake near Ranch; S. Warner Mts., Modoc Forest, Blue Lake 1828 Comment
  CAS-BOT-BC15732  Osmorhiza chilensis Bruce Bartholomew; Barrett Anderson 1990-7-19 5420 Modoc Top of Hunters Ridge S of Rush Creek. 1960 Comment
  CAS-BOT-BC15738  Osmorhiza chilensis Bruce Bartholomew; Barrett Anderson 1988-6-23 4284 Modoc Widow Valley, 18.0 km W of Day on County Road 94. 1230 Comment
  CAS-BOT-BC15745  Osmorhiza occidentalis Annie Montague Alexander; L. Kellogg 1946-7-11 4962 Modoc Eight Mile Creek. Comment
  NY1101846  Osmorhiza occidentalis B. M. Bartholomew 1990-7-20 5488 Modoc 10.3 km north of Buck Creek Ranger Station, crest of Warner Mountains west side of Warner Mountains 2130 Comment
  UC748317  Oxyria digyna Annie M. Alexander and Louise Kellogg 1946-7-23 5058 Modoc Emerson Peak; Warner Mountains, Emerson Peak Comment
  CAS-BOT-BC50309  Packera cana Roxana Stinchfield Ferris; L. Lorraine 1941-8-14 10612 Modoc Summit of Fandango Pass, on road between Fort Bidwell and Pine Creek, Warner Mountains, Modoc National Forest 1889 Comment
  CAS-BOT-BC50310  Packera cana Mrs. H. C. Cantelow 1940-6-2 Modoc W of Alturas on road to lava beds, Klamath Falls Highway. Comment
  SJSU5425  Packera cana J. W. Tilden 1958-6-26 1269 Modoc near Monument Hdqtrs, Lava Beds National Monument Comment
  CAS-BOT-BC50270  Packera eurycephala var. eurycephala Annie Montague Alexander; L. Kellogg 1946-6-17 4786 Modoc Cedar Pass road. 1767 Comment
  CAS-BOT-BC50314  Packera eurycephala var. eurycephala Alice Eastwood; John Thomas Howell 1940-6-12 8050 Modoc Between Likely and Jess Valley. Comment
  CAS-BOT-BC50316  Packera eurycephala var. eurycephala Francis Dorris Payne 1932-6-22 581 Modoc Parker Creek. 1584 Comment
  CAS-BOT-BC50324  Packera eurycephala var. eurycephala Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16370 Modoc Junction of Cedar Pass road with Hwy 299. Comment
  POM99653  Paeonia brownii R. M. Austin 1895-06 219 Modoc Goose Lake Valley. Comment
  CAS-BOT-BC247557  Panicum capillare Louis Cutter Wheeler 1935-9-13 3984 Modoc Fletcher Creek. 1524 Comment
  UCR67456  Panicum capillare George K. Helmkamp 1990-9-23 I- 24 Modoc Warner Mtns, Goose Lake, within 0.1 mi of the Oregon border 1476 Comment
  CDA32584  Panicum capillare var. occidentale T. C. Fuller 1962-8-3 9492 Modoc Hwy 139 to Tulelake, 0.25 mile northwest of Stronghold 0 Comment
  UCD32703  Pascopyrum smithii Beecher Crampton 1954-7-7 2123 Modoc Modoc County, Alturas, vacant lot adjacent to Lederer Building. Comment
  JEPS28992  Pedicularis attollens Frances D. Payne 1931-6-12 153 Modoc Parker Creek; Warner Mountains 1584 Comment
  POM44194  Pedicularis attollens R. M. Austin 1895-07 409 Modoc Goose Lake Valley. Comment
  HSC20915  Pedicularis attollens M. T. Milligan 1966-6-19 474 Modoc N end of Jess Valley 1616 Comment
  RSA504630  Pedicularis groenlandica Bruce Bartholomew, B. Anderson 1988-6-24 4341 Modoc Cave Lake, W side of the Warner Mountains. 2130 Comment
  UC748186  Pedicularis groenlandica Annie M. Alexander and Louise Kellogg 1946-6-28 4854 Modoc Pine Creek Canyon, n end of Warner Mountains Pine Creek Canyon; Warner Mountains 2240 Comment
  CAS-BOT-BC232306  Pedicularis groenlandica subsp. surrecta Bruce Bartholomew; Barrett Anderson 1988-6-24 4341 Modoc Cave Lake, W side of the Warner Mts.. 2130 Comment
  CAS-BOT-BC30195  Pellaea breweri Gregg M. Riegel 1980-7-31 928 Modoc South Warner Mountains Comment
  HSC72503  Penstemon davidsonii J. P. Smith, J. O. Sawyer 1973-8-8 7218 Modoc Near summit of Eagle Peak 2988 Comment
  CAS-BOT-BC232339  Penstemon davidsonii var. davidsonii Elmer Ivan Applegate 1932-8-1 8008 Modoc Arid crest of Warner Mts., S of Warren Peak. Comment
  CAS-BOT-BC232346  Penstemon davidsonii var. davidsonii Annie Montague Alexander; L. Kellogg 1946-7-1 4890 Modoc 0.5 mi. E of summit Bidwell Creek road. Comment
  CAS-BOT-BC232350  Penstemon davidsonii var. davidsonii Bruce Bartholomew 1991-8-5 6055 Modoc Spring NE of Cottenwood Lake along Summit Trail from Squaw Peak to Patterson Lake, Warner Mts. 2580 Comment
  CHSC109496  Penstemon davidsonii var. davidsonii L. P. Janeway; B. Castro 2012-7-26 11009 Modoc Warner Mountains. Top of Yellow Mountain; topmost part and wster edge (at the edge of a steep dropoff to the northwest). 2463 Comment
  JEPS8102  Penstemon davidsonii var. davidsonii L. S. Smith 1917-7-2 58 Modoc Shields Creek Warner Mountains 2316 Comment
  NY590159  Penstemon davidsonii var. davidsonii B. M. Bartholomew 1995-7-31 7104 Modoc East side of the Warner Mountains near crest and just north of the headwaters of the south fork of Davis Creek. 2320 Comment
  RSA647534  Penstemon deustus Marion P. Harthill 1971-6-23 372 Modoc Fort Bidwell. Comment
  CAS-BOT-BC232335  Penstemon deustus var. pedicellatus Milo Samuel Baker 1893-7-24 s.n. Modoc Lava beds on shore of Lake. Comment
  CAS-BOT-BC245540  Penstemon gracilentus Leland S. Smith 1918-6-22 951 Modoc Lily Lake. 2042 Comment
  HSC80747  Penstemon gracilentus G. M. Riegel 1979-7-24 600 Modoc S Warner Mtns. 1829 Comment
  CAS-BOT-BC245523  Penstemon humilis var. humilis Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-15 16496 Modoc SE flank of Glass Mt., near Modoc-Siskiyou county line. Comment
  RSA78969  Penstemon laetus var. sagittatus E. K. Balls, Percy C. Everett 1952-10-11 18167 Modoc 6.7 mi W of turn off Hwy 139 on road to Pumice Pits at E edge of Glass Flow. 1280 Comment
  CAS-BOT-BC232505  Penstemon roezlii M. M. Hanna 1956-6-7 s.n. Modoc Hwy 139 between Canby and Tienesta. Comment
  CAS-BOT-BC232516  Penstemon roezlii Alice Eastwood; John Thomas Howell 1940-6-13 8189 Modoc W side of Cedar Pass. Comment
  CAS-BOT-BC245568  Penstemon roezlii Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16369 Modoc Junction of Cedar Pass road with California State Highway 299, 5.5 mi. N of Alturas. Comment
  NY650098  Penstemon roezlii M. J. Williams 1988-6-2 8828- 7 Modoc Jess Valley, east of Likely, south of roadside rest Comment
  UC690358  Penstemon roezlii David D. Keck and J. Clausen 1935-6-24 3712 Modoc 3 mi ne Willow Ranch (e of Goose Lake); , ne of Willow Ranch 1550 Comment
  NY650126  Penstemon roezlii R. M. Austin 07 1898 2361 Modoc Comment
  RSA504641  Penstemon roezlii Bruce Bartholomew, B. Anderson 1988-6-23 4246 Modoc 4.2 kim NW of Day. 1020 Comment
  RSA554807  Penstemon roezlii Margaret J. Williams, Arnold Teihm, Jan Nachlinger 1988-6-2 88- 28 -7 Modoc Jess Valley, E of Likely, S of roadside rest. Comment
  UC619260  Penstemon roezlii J. and H. W. Grinnell 1938-6-16 1108 Modoc Cedar Pass summit Warner Mountains, Cedar Pass summit 1935 Comment
  CAS-BOT-BC245485  Penstemon rydbergii var. oreocharis C. L. Hitchcock 1940-5-28 6726 Modoc 15 mi. N of Alturas (near Surprise). 1402 Comment
  CAS-BOT-BC245489  Penstemon rydbergii var. oreocharis Leland S. Smith 1922-7-7 1254 Modoc High Grade N of Ft. Bidwell. 2316 Comment
  CAS-BOT-BC245495  Penstemon rydbergii var. oreocharis Bruce Bartholomew; Barrett Anderson 1989-6-3 4855 Modoc Crowder Flat Road at Fletcher Creek. 1550 Comment
  CAS-BOT-BC245499  Penstemon rydbergii var. oreocharis John Thomas Howell 1934-6-12 12022 Modoc Plum Valley. Comment
  NY651334  Penstemon rydbergii var. oreocharis D. D. Keck 1935-6-24 3722 Modoc 1.5 miles north of Davis Creek 1525 Comment
  UC748181  Penstemon rydbergii var. oreocharis Annie M. Alexander and Louise Kellogg 1946-6-12 4728 Modoc Fort Bidwell Fort Bidwell (in meadow) 1444 Comment
  UC887204  Penstemon rydbergii var. oreocharis C. L. Hitchcock 1940-5-28 6726 Modoc along sedgey bank of stream 15 mi n Alturas; n of Alturas 1402 Comment
  UC71748  Penstemon rydbergii var. oreocharis Mrs. M. H. Manning Jul 1903 214 Modoc Tamarack Flat Mt. Bidwell, Tamarack Flat (Mt. Bidwell, ne Modoc County) 2133 Comment
  CAS-BOT-BC245544  Penstemon speciosus C. C. (Mrs.) Bruce 1893-7-1 81 Modoc Davis Creek. Comment
  CAS-BOT-BC245548  Penstemon speciosus K. Paulson; Robert Paulson 1989-6-14 129 Modoc Ca. 1.5 mi. NE of Cedar Pass, Warner Mts. 1920 Comment
  CAS-BOT-BC245556  Penstemon speciosus Alice Eastwood; John Thomas Howell 1940-6-12 8094 Modoc Jess Valley. Comment
  CAS-BOT-BC245560  Penstemon speciosus C. L. Hitchcock 1940-5-27 6666 Modoc 15 mi. NE of Alturas. 1615 Comment
  CAS-BOT-BC245564  Penstemon speciosus Milo Samuel Baker 1893-7-8 s.n. Modoc Lava beds. Comment
  CHSC31507  Penstemon speciosus NEH Prouty 1980-6-7 180 Modoc Modoc National Forest. Along north side of Deep Creek Road. SW of Cedarville. Comment
  UC726127  Penstemon speciosus A. A. Heller 1941-6-25 16204 Modoc on the Cedarville Road steep slope just below the beginning of the ascent to Cedar Pass 1935 Comment
  CAS-BOT-BC15717  Perideridia oregana Leland S. Smith 1922-6-5 1248 Modoc Stone Coal Valley. 1310 Comment
  CHSC106206  Persicaria lapathifolia Lowell Ahart; John Dittes 2010-8-31 17080 Modoc On the north side of a wash, near pond, about 50 yards east of the fence, south edge of the meadow, Ash creek State Wildlife aArea, 2300 feet north of Lassen County Linee, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  CHSC116077  Persicaria lapathifolia Lowell Ahart; John Dittes 2015-7-16 20174 Modoc North edge of Ash Creek (destroyed), southeast of the 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
  CAS-BOT-BC218157  Persicaria maculosa L. A. M. Black 1894-9-1 62 Modoc Davis Creek. Comment
  HSC65616  Persicaria maculosa Thomas Wood 1979-8-11 252 Modoc 4 mi. S of Fort Bidwell on Co. Hwy. 1 1396 Comment
  CAS-BOT-BC179279  Phacelia adenophora Francis Dorris Payne 1932-6-19 549 Modoc Along road in canyon below Jess Valley. Comment
  JEPS1607  Phacelia adenophora J. G. Lemmon June, 1879 Modoc Surprise Valley and Pyramid Lake Comment
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May 4 2015
  UC192181  Phacelia glandulifera J. G. Lemmon 2 Modoc Surprise Val. Comment
  CAS-BOT-BC179275  Phacelia hastata subsp. compacta Robert Patterson; Mona Bourell 1993-8-14 5225 Modoc Patterson Lake. South Warner Wilderness Area. Warner Mountains. 2743 Comment
  CAS-BOT-BC179256  Phacelia hastata subsp. hastata Harry Dwight Dillon Ripley; Rupert Charles Barneby 1944-6-1 6031 Modoc Canyon of Warner Mts. W of Cedarville. 1493 Comment
  CAS-BOT-BC179260  Phacelia hastata subsp. hastata Annie Montague Alexander; L. Kellogg 1946-6-30 4870 Modoc Highgrade, W side of ridge. 2377 Comment
  CAS-BOT-BC179264  Phacelia hastata subsp. hastata Bruce Bartholomew; Barrett Anderson 1988-7-21 4451 Modoc Vicinity of Patterson Campground, southern end of the Warner Mts. 2190 Comment
  CAS-BOT-BC179268  Phacelia hastata subsp. hastata Alice Eastwood; John Thomas Howell 1940-6-13 8174 Modoc Cedarville. Comment
  RSA133982  Phacelia hastata subsp. hastata L. R. Heckard 1952-6-19 316 Modoc About seven miles north of Alturas along U. S. Highway 395. 1341 Comment
  CHSC101174  Phacelia hastata var. hastata Nick Otting; Danna Lytjen 2004-9-2 962 Modoc South Warner Mountains, slopes south of Patterson Lake, 18 air miles southeast of Alturas. 2788 Comment
  CAS-BOT-BC180012  Phacelia heterophylla subsp. virgata M. M. Hanna 1956-6-5 Modoc Cedar Pass. Comment
  CAS-BOT-BC180017  Phacelia heterophylla subsp. virgata John Thomas Howell 1934-6-11 11911 Modoc Parker Creek. 1584 Comment
  CAS-BOT-BC180020  Phacelia heterophylla subsp. virgata Bruce Bartholomew 1992-5-14 6275 Modoc SW side of White Horse Mountains, SW of White Horse Flat Reservoir. 1400 Comment
  UC133064  Phacelia humilis Mrs. R. M. Austin June 1884 Modoc mts. e Goose Lake Val. Comment
  CAS-BOT-BC179991  Phacelia humilis var. humilis John Thomas Howell 1934-6-13 12062 Modoc Fandango Pass. 1828 Comment
  CAS-BOT-BC179966  Phacelia inundata Milo Samuel Baker 1936-6-14 8307 Modoc Marlin to Canby several mi N of Quarantine Station. Comment
  CHSC67113  Phacelia inundata James D. Jokerst 1987-5-12 2852 Modoc Radar Survey Site S of Doublehead Mtn., N end of central sector, NE of road. Comment
  JEPS101585  Phacelia inundata Dean W. Taylor 1988-8-11 10036 Modoc Clear Lake Reservior, southern shore 1362 Comment
  RSA502328  Phacelia inundata D. W. Taylor, G. Clifton, R. Palmer 1987-8-9 9271 Modoc Dry Lake; T44N R6E S5 1341 Comment
  CAS-BOT-BC179950  Phacelia linearis John Thomas Howell 1934-6-13 12081 Modoc Fandango Pass. 1828 Comment
  CAS-BOT-BC179954  Phacelia linearis M. M. Hanna 1956-6-7 Modoc Junction Hwy 139 and Glass Mt. Rd. Comment
  CAS-BOT-BC179958  Phacelia linearis L. A. M. Black 1894-7-1 98 Modoc Davis Creek. Comment
  UC1562693  Phacelia linearis Barbara Ertter 1988-6-18 7621 Modoc Hwy 139 1 mi s S jct to Lava Beds Nat'l Monument (a few mi n of Agric. Inspection Station, ca 50 air mi sw of Klamath Falls, e of Tonesta) 1310 Comment
  RSA26541  Phacelia linearis H. C. Cantelow 1940-6-2 s.n. Modoc West of Alturas, road to Lava Beds National Monument. Comment
  RSA531358  Phacelia linearis Bruce Bartholomew, B. Anderson 1989-6-1 4736 Modoc Ca. 0.5 km S of State Hwy 299 on road to Shaker Spring. 1420 Comment
  UCSB27389  Phacelia linearis Wilken, Dieter 1969-7-28 Modoc Mill Creek Falls near Clear Lake, east of Likely Warner Mtns. Comment
  CAS-BOT-BC179946  Phacelia mutabilis Louis Cutter Wheeler 1935-8-10 3824 Modoc Lily Lake. 2133 Comment
  HSC24868  Phacelia mutabilis Richard Spjut 1970-7-22 875 Modoc Just NW of Little Baldy Peak, 6 mi. W of Surprise Valley, N of Warner Mts. Comment
  RSA582231  Phacelia mutabilis Louis C. Wheeler 1935-8-10 3824 Modoc Lily Lake, Pine Creek, Warner Mountains. 2134 Comment
  CAS-BOT-BC179939  Phacelia procera Elmer Ivan Applegate 1932-7-31 7979 Modoc Mill Creek Meadow, western slope of Warner Mountains. Comment
  POM275214  Phacelia ramosissima var. ramosissima A. M. Alexander, Louise Kellogg 1946-7-7 4943 Modoc Eight Mile Creek. Northeast corner of county. 1753 Comment
  POM127617  Phacelia sericea M. French Gilman 606 Modoc [No location information on label.] 2134 Comment
  CAS-BOT-BC179919  Phacelia tetramera Bruce Bartholomew 1991-5-24 5691 Modoc Surprise Valley, 5.1 km E of Eagleville. 1370 Comment
  CAS-BOT-BC179921  Phacelia tetramera Bruce Bartholomew; M; M. Gilbert; L. E. Skog 1993-5-10 6458 Modoc Near Eagleville Airport, E side of Surprise Valley. 1400 Comment
  CAS-BOT-BC179915  Phacelia thermalis Annie Montague Alexander; L. Kellogg 1946-6-10 4712 Modoc Shore of Snake Lake. Comment
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Jul 12 2019
  JEPS120114  Phalaris arundinacea Lowell Ahart, John Dittes 2012-7-10 18320 Modoc Northeast of the old homestead, Ash Creek State Wildlife Area, about 3.4 miles (air) west of Adin, about 8.2 miles (air) northeast of Bieber, Big Valley. Comment
  CAS-BOT-BC247552  Phleum alpinum Elmer Ivan Applegate 1932-8-3 8141 Modoc W slope of Eagle Peak. Comment
  CAS-BOT-BC247599  Phleum alpinum Bruce Bartholomew 1992-8-8 6378 Modoc Vicinity of Patterson Lake, E side of Warner Mountains. 2750 Comment
  SEINET4889051  Phleum alpinum D. A. Charlet 1989-8-14 482 Modoc Warner Mountains, 1.4 km northwest of Eagle Peak, 2550 Comment
  CDA2316  Phleum pratense T. C. Fuller 1958-7-8 2015 Modoc Davis Creek. 0 Comment
  UCD89652  Phleum pratense Leo Whitney 1935-7-2 s.n. Modoc Happy Camp. Comment
  CHSC75517  Phlox caespitosa V. H. Oswald; B. Corbin, A Sanger, G. Schoolcraft 1999-6-12 9765 Modoc Soldier Creek Canyon adjacent to USFS 43N57 in the Warner Mtns. northeast of Stough Reservoir Campground, north side of Hwy. 299, east side of Cedar Pass. 2072 Comment
  UC880380  Phlox caespitosa Lewis S. Rose 1940-6-14 40579 Modoc 5 mi w Perez; Mammoth Cave 1280 Comment
  CAS-BOT-BC197930  Phlox douglasii subsp. rigida Roxana Stinchfield Ferris; L. Lorraine 1941-8-14 10580 A Modoc 3 mi. from Patterson Ranger Station on road to Eagleville. Comment
  CAS-BOT-BC197934  Phlox douglasii subsp. rigida Bruce Bartholomew; Barrett Anderson 1989-4-27 4639 Modoc Ryan Canyon, 6.0 km NW of Adin on road to Dutch Flat. 1370 Comment
  CAS-BOT-BC197938  Phlox douglasii subsp. rigida Bruce Bartholomew; Barrett Anderson 1988-6-24 4313 Modoc Road beyond Poison Lake ca. 8 km S of the road from U.S. Highway 395 to Lily Lake, Warner Mts.. 2130 Comment
  UC880425  Phlox douglasii subsp. rigida C. L. Hitchcock 1940-5-28 6730 Modoc 15 mi n Alturas (near Surprise) 1402 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
  UC23594  Phlox gracilis Milo S. Baker 1893-6 Modoc Forestdale Comment
  UC71715  Phlox gracilis Mrs. M. H. Manning Apr 1903 64 Modoc near Fort Bidwell (ne Modoc County) Comment
  HSC17165  Phlox hoodii M. T. Milligan 1966-5-14 615 Modoc Plateau W of Jess Valley 1829 Comment
  CAS-BOT-BC197891  Phlox hoodii subsp. canescens Leland S. Smith 1917-7-2 73 Modoc Warren Mt. 2133 Comment
  CDA38650  Phlox hoodii subsp. canescens J. R. Keck Jr., Wright 1991-5-3 PDR# 725210 Modoc Tionesta; Modoc National Forest. Comment
  HSC17189  Phlox hoodii subsp. lanata M. T. Milligan 1964-4-25 Modoc S of Lower Cummings Reservoir Comment
  RSA488572  Phlox longifolia Bruce Bartholomew, B. Anderson 1988-5-14 4189 Modoc 7 km S of turn off to Crowder Flats along W side Road, W side of Goose Lake, 1410 Comment
  SEINET3145526  Phlox longifolia E. K. Balls 1950-5-10 15958 Modoc Hwy 395, 8.5 mi NE of Alturas 1524 Comment
  CAS-BOT-BC197881  Phlox speciosa F. Angwin 1946-5-3 s.n. Modoc Big Valley. 1280 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
  JEPS70010  Phlox stansburyi Milo S. Baker 1893-6 Modoc Forestdale Comment
  HSC17180  Phlox stansburyi M. T. Milligan 1964-4-25 Modoc 1 mi. up Barns Grade Rd. at stock pens Comment
  RSA60327  Phlox stansburyi E. K. Balls 1950-5-10 15958 Modoc Highway 395, 8.5 miles northeast of Alturas 1524 Comment
  CAS-BOT-BC58312  Phoenicaulis cheiranthoides John Thomas Howell 1934-6-13 12104 Modoc North Fk. of Barber Creek. 1828 Comment
  CAS-BOT-BC58318  Phoenicaulis cheiranthoides Bruce Bartholomew; Barrett Anderson 1988-5-13 4159 Modoc 4 km NW of Pepperdine, gentle W facing slope near top of the Warner Mts.. 1760 Comment
  CAS-BOT-BC58319  Phoenicaulis cheiranthoides Bruce Bartholomew; Barrett Anderson 1988-5-13 4152 Modoc Along Parker Creek Road, 0.5 km W of West Warner Road on Parker Creek Road, W side of the Warner Mts.. 1650 Comment
  CAS-BOT-BC58577  Phoenicaulis cheiranthoides Alice Eastwood; John Thomas Howell 1940-6-13 8139 Modoc Fandango Pass. Comment
  CAS-BOT-BC58581  Phoenicaulis cheiranthoides Elmer Ivan Applegate 1932-7-9 7592 Modoc N slope of Bidwell Mountain, Warner Mts. Comment
  CAS-BOT-BC58583  Phoenicaulis cheiranthoides Elmer Ivan Applegate 1932-8-5 8165 Modoc S slope of Cedar Mountain, Cedar Pass, Warner Mts. Comment
  CHSC67095  Phoenicaulis cheiranthoides James D. Jokerst 1987-5-12 2845 Modoc Radar Survey Site S of Doublehead Mtn., N end of central sector. Comment
  HSC26512  Phoenicaulis cheiranthoides J. P. Smith, J. O. Sawyer 1972-5-6 5250 Modoc County Rd. 86, just E of Adin. 1098 Comment
  JEPS5939  Phoenicaulis cheiranthoides Frances D. Payne 1932-4-22 385 Modoc 8 mi e of Alturas (on road to Parker Creek) Comment
  UC10759  Phoenicaulis cheiranthoides Mrs. R. M. Austin and Bruce June 1898 2153 Modoc Goose Lake Comment
  UC402638  Phoenicaulis cheiranthoides Mrs. M. H. Manning 1907-4-29 Modoc Twelve Mile Creek, north-east Modoc County Twelve Mile Creek Comment
  CDA33270  Phoenicaulis cheiranthoides Anonymous Modoc Modoc Plateau; Boles Creek Slab 0 Comment
  CAS-BOT-BC134911  Phoradendron bolleanum Paul F. Covel 1939-8-13 1622 Modoc Lava Beds Nat. Mon. at hdqtrs. Comment
  POM203793  Phoradendron juniperinum J. T. Howell 1934-6-11 11921 Modoc Parker Creek, Warner Mts. 1585 Comment
  JEPS127204  Pilularia americana Lowell Ahart, John Dittes 2016-6-6 20956 Modoc About one mile south the intersection of County Road 87 and Access Road to Pilot Butte Parking Area, 3.8 miles (air) east of Lookout, 7.5 miles (air) west of Adin, Ash Creek State Wildlife Area. Comment
  RSA639394  Pilularia americana L. C. Wheeler 1935-8-22 3911 Modoc Devil's Garden: South Mt. Reservoir. 1524 Comment
  CAS-BOT-BC478167  Pinus albicaulis John Thomas Howell 1934-6-14 12109 Modoc Near Lost Lake, Warner Mountains 2438 Comment
  CAS-BOT-BC73414  Pinus albicaulis Elmer I. Applegate 1932-7-9 7587 Modoc North slope of Bidwell Mountain, Warner Mountains. 2286 Comment
  CAS-BOT-BC73416  Pinus albicaulis Elmer I. Applegate 1932-8-3 8131 Modoc Summit of Eagle Peak, Warner Mountains. 3019 Comment
  JEPS46792  Pinus albicaulis W. L. Jepson 1918-8-7 7904 Modoc Mt. Bidwell 2468 Comment
  UC496207  Pinus albicaulis Elmer I. Applegate 1932-7-31 7991 Modoc Mill Creek Meadow Warner Mts., Pit River (head of river) 2438 Comment
  RSA176213  Pinus attenuata C. O. Stone 1963-12-26 275 Modoc On recent lava flow ca. 1 mile S of Gassaway Reservoir 1110 Comment
  UC711838  Pinus contorta subsp. murrayana Roxana S. Ferris and Laura Lorraine 1941-8-13 10572 Modoc East Creek about 1 mi e of Patterson Ranger Station (in sagebrush); Warner Moutains, Modoc National Forest, East Creek Comment
  HSC46343  Pinus contorta var. murrayana J. P. Smith, J. O. Sawyer 1973-8-8 7251 Modoc 1.5 mi. N of Patterson Guard Station on Summit Trail, S Warner Wilderness 2439 Comment
  RSA749197  Pinus contorta var. murrayana A. Townesmith, K. M. Meyer 2007-9-16 215 Modoc Modoc National Forest, 8.5 mi. on Hwy 23 which turns into 31, south of Cedarville, CA. Pine 2218 Comment
  UCSB18012  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-BC79032  Pinus ponderosa Roxana S. Ferris; Rena Duthie 1919-7-13 130 Modoc Parker Creek, Warner Mts. 2133 Comment
  CAS-BOT-BC79038  Pinus ponderosa John Thomas Howell 1934-6-16 12205 A Modoc Parker Creek, Warner Mts. 1584 Comment
  CAS-BOT-BC79039  Pinus ponderosa Roxana S. Ferris; Rena Duthie 1919-6-13 130 Modoc Parker Creek, Warner Mts. 2133 Comment
  SEINET12548120  Pinus ponderosa var. ponderosa D. A. Charlet, R. Winjes 1994-5-23 1837 Modoc Warner Mountains between Lake City & Ft. Bidwell 1445 Comment
  SEINET12616116  Pinus ponderosa var. ponderosa David A. Charlet 1994-7-7 1933 Modoc Warner Mountains near Surprise Valley floor at Lake City turnoff. 1433 Comment
  CAS-BOT-BC80048  Pinus washoensis B. Bartholomew 1990-8-5 5664 Modoc Summit Trail, ca. 2 km N of Patterson Ranger Station, W side of Warner Mts. 2400 Comment
  SJSU9135  Piperia unalascensis H. L. Buckalew 1961-6-21 Modoc near Stough (""Stowe"") Reservoir c. 1 mi N of Cedar Pass on Alturas Cedarville Rd, Warner Mts 1981 Comment
  RSA149139  Plagiobothrys bracteatus I. L. Wiggins, Dorothy Wiggins 1961-6-16 16522 Modoc Drying swale near Cloverswale Creek, 4.8 miles NE of Canby Comment
  UC1191845  Plagiobothrys cusickii Herbert L. Mason and Verne Grant 1947-7-12 13419 Modoc s of Alturas (along railroad track); Pit River Valley Comment
  JEPS60934  Plagiobothrys cusickii Frances D. Payne 1935-7-19 796 Modoc s and e of Alturas (Mouth of Dry Creek, tributary of Parker Creek); Warner Mountains, Parker Creek, Mouth of Dry Creek Comment
  SJSU9669  Plagiobothrys cusickii W. Savage 1979-7-9 1515 Modoc Round Valley, Triange, Devils Garden District, Modoc National Forest 1493 Comment
  CHSC109674  Plagiobothrys hispidulus Lowell Ahart; John Dittes 2012-7-10 18321 Modoc Along the sides of a small 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
  JEPS118249  Plagiobothrys hispidulus Lowell Ahart, John Dittes 2011-6-22 17540 Modoc On the west side of the road, about 50 yards north of the Pilot Butte Parking Lot, north edge of Ash Creek Floodplain, 1.1 miles (air) south of County Road 87, 7.7 miles (air) west of Adin, 10 miles (air) east of Lookout, Big Valley 1264 Comment
  POM204137  Plagiobothrys hispidus J. T. Howell 1934-6-13 12067 Modoc Fandango Pass, Warner Mountains. 1829 Comment
  CDA40673  Plagiobothrys mollis T. C. Fuller 1965-6-2 13601 Modoc West side of Dorris Reservoir, 2 miles east of Alturas. 0 Comment
  UC1191651  Plagiobothrys mollis Verne Grant, Herbert L. Mason 1947-7-12 13407 Modoc sw Alturas (w side South Fork Pit River Valley); w side South Fork Pit River Valley Comment
  CAS-BOT-BC58730  Plagiobothrys salsus G. Schoolcraft; Arnold Tiehm 1984-6-24 1261 Modoc Middle Alkali Lake. 1356 Comment
  CAS-BOT-BC58736  Plagiobothrys scouleri Clare Butterworth Hardham 1961-6-17 Modoc Cedar Pass Camp Ground. Comment
  CAS-BOT-BC58751  Plagiobothrys scouleri John Thomas Howell 1934-6-13 12093 Modoc 2.5 mi S of Eagleville. Comment
  CAS-BOT-BC58753  Plagiobothrys scouleri Herbert Louis Mason; Verne Grant 1947-7-12 13408 Modoc W side of South Fork of Pit River Valley, SW of Alturas. Comment
  CAS-BOT-BC58762  Plagiobothrys scouleri Herbert Louis Mason; Verne Grant 1947-7-12 13408 Modoc W side of South Fork of Pit River Valley, SW of Alturas. Comment
  POM312568  Plagiobothrys scouleri var. hispidulus H. L. Mason, Verne Grant 1947-7-12 13408 Modoc West side of the South Fork of Pit River Valley, southwest of Alturas. Comment
  CAS-BOT-BC58769  Plagiobothrys stipitatus var. micranthus Annie Montague Alexander; L. Kellogg 1946-7-6 4914 Modoc 3.5 mi E of Eagleville. Comment
  SD130520  Plagiobothrys stipitatus var. micranthus B. Bartholomew, B. Anderson 1988-6-23 4250 Modoc 4.2 km northwest of Day. 1020 Comment
  JEPS79217  Plagiobothrys stipitatus var. micranthus L. R. Heckard with R. C. Bacigalupi 1980-6-10 5265 Modoc about 10 mi nw Lookout (along Great Northern Railroad grades) Comment
  RSA611432  Plagiobothrys stipitatus var. micranthus L. C. Wheeler 1935-8-18 3893 Modoc 2 miles northeast of Alturas 1357 Comment
  CAS-BOT-BC58772  Plagiobothrys tenellus Bruce Bartholomew; Barrett Anderson 1988-5-13 4169 Modoc Ca. 1 km SE of Parker Creek Road on West Warner Road, W side of the Warner Mts.. 1710 Comment
  CAS-BOT-BC242214  Platanthera dilatata var. leucostachys Bruce Bartholomew 1994-7-2 6799 Modoc Field redacted by CAS, contact the data manager for more information 1650 Comment
  CAS-BOT-BC242218  Platanthera dilatata var. leucostachys Bruce Bartholomew; Barrett Anderson 1988-6-24 4356 Modoc Field redacted by CAS, contact the data manager for more information 1960 Comment
  CAS-BOT-BC242222  Platanthera hyperborea R. M. Austin 1885-8-1 s.n. Modoc Field redacted by CAS, contact the data manager for more information Comment
  CHSC30589  Platanthera leucostachys P. V. Caldwell 1972-7-1 261 Modoc 100 yds from base camp at Patterson Meadows campgrounds entrance to Warner Mtns. Trail. Comment
  CAS-BOT-BC242210  Platanthera stricta Leland S. Smith 1918-6-22 943 Modoc Field redacted by CAS, contact the data manager for more information 2286 Comment
  HSC21685  Plectritis macrocera M. T. Milligan 1964-6-6 1 Modoc N side of Dorris Reservoir along shore 1372 Comment
  UC416766  Plectritis macrocera Mrs. M. H. Manning 1905-5-14 Modoc Joseph Creek, in north-eastern Modoc County Joseph Creek Comment
  CAS-BOT-BC247589  Poa Leland S. Smith 1917-7-2 71 Modoc Head of Shield's Creek - Modoc National Forest. 2286 Comment
  SBBG664  Poa annua A. A. Beetle 1941-6-29 2832 Modoc near summit of Cedar (Cedarville) Pass 2118 Comment
  CAS-BOT-BC247585  Poa bulbosa Margaret J. Williams 1984-6-30 84- 80 -2 Modoc 6.8 mi. W of Cedarville-Gerlach road. Granger Canyon road. 1981 Comment
  UC1132596  Poa bulbosa Leo Whitney 1935-5-29 3129 Modoc Bieber; Bieber Quadrangle Comment
  SD96114  Poa cusickii Jack L. Reveal 1976-6-2 1839 Modoc Modoc National Forest near Perez 1280 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
  JEPS70633  Poa cusickii subsp. cusickii L. S. Smith June 1919 1108 Modoc Deep Creek Ranger Station Comment
Read comments
Jun 9 2012
  HSC80838  Poa pratensis G. M. Riegel 1979-7-13 527 Modoc South Warner Mtns. 2100 Comment
  UCD91855  Poa pratensis J. E. Coke 1932-11-1 s.n. Modoc Modoc County. Comment
  CAS-BOT-BC247615  Poa pratensis subsp. pratensis Bruce Bartholomew 1990-8-5 5672 Modoc Summit Trail, ca. 4 km N of Patterson Ranger Station, W side of Warner Mts. 2470 Comment
  POM203053  Poa secunda J. T. Howell 1943-7-1 12340 Modoc Duncan Horse Camp Comment
  POM265912  Poa secunda C. L. Hitchcock 1940-5-27 6732 Modoc 12 miles NE of Alturas. 1616 Comment
  UCD32706  Poa secunda Beecher Crampton 1954-7-7 2132 Modoc W side of Cedar Pass. Comment
  SEINET8077608 Image available Poa secunda Alan A. Beetle 1941-1 2827 Modoc Near summit of Cedarville Pass 2119 Comment
  JEPS45879  Poa secunda subsp. juncifolia L. S. Smith July 1920 1167 Modoc Crower Flat Comment
  UCD92149  Poa secunda subsp. juncifolia Collector Unknown 1934-5-14 s.n. Modoc Alturas. Comment
  UCD92371  Poa secunda subsp. juncifolia August L. Hormay 1932-7-16 s.n. Modoc Modoc National Forest, Crowder Ranger Station. Comment
  CAS-BOT-BC247606  Poa secunda subsp. secunda John Thomas Howell 1934-7-1 12344 Modoc Duncan Horse Camp. 1355 Comment
  CAS-BOT-BC247658  Poa secunda subsp. secunda E. S. Willits 1940-5-6 217 Modoc Near Lassen Creek, Willow Ranch. Comment
  CAS-BOT-BC247666  Poa secunda subsp. secunda James D. Jokerst 1983-5-31 1804 Modoc Near Signal Butte. 1340 Comment
  CHSC67419  Poa secunda subsp. secunda James D. Jokerst 1986-8-10 2749 Modoc Radar Site Survey S of Doublehead Mtn., ca. 400 m NE of a NW-SE-oriented fence and road. Comment
  HSC10663  Poa secunda subsp. secunda M. T. Milligan 1965-7-1 410 Modoc Plateau W of Jess Valley. 1829 Comment
  UC1037148  Poa secunda subsp. secunda Leo Whitney 1935-7-6 3424 Modoc near Lookout Pit River Comment
  UCD90722  Poa secunda subsp. secunda J. E. Coke 1932-11-1 s.n. Modoc Modoc County. Comment
  UCD92107  Poa secunda subsp. secunda L. Whitney 1935-7-21 3586 a Modoc Modoc National Forest. Happy Camp, 15 miles W of Canby. 1463 Comment
  CAS-BOT-BC247654  Poa wheeleri Bruce Bartholomew 1990-6-16 5271 Modoc Rock outcrops between roadhead and Pine Creek Basin, W side of Warner Mountains. 2160 Comment
  CAS-BOT-BC252518  Poa wheeleri Bruce Bartholomew; Barrett Anderson 1990-7-20 5464 Modoc 4 km N of Buck Creek Ranger Station at turn off to Del Prat Spring, W side of Warner Mts. 1900 Comment
  CAS-BOT-BC252522  Poa wheeleri Bruce Bartholomew; Barrett Anderson 1989-6-1 4767 Modoc South Fork Davis Creek in the vicinity of the Plum Valley camp ground. 1720 Comment
  HSC65256  Poa wheeleri J. P. Smith, J. O. Sawyer 1973-8-8 7222 Modoc Near summit of Eagle Peak 2988 Comment
  CAS-BOT-BC252514  Poa wheeleri John H. Hatton 1911-6-10 30 Modoc Modoc County. 1371 Comment
  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
  SD149136  Pogogyne floribunda B. Bartholomew 1991-7-5 5932 Modoc Cow Head Tank, ca. 6.0 km northwest of Dorris Brothers Reservoir. 1520 Comment
  UC1561019  Pogogyne floribunda Dean W. Taylor 1988-8-11 10039 Modoc near Lone Pine Lake (ca. 6 miles S of Clear Lake Reservoir) NE1/4 of NW1/4 (Hackmore 15' quadrangle, on road to Davis Spring. 1380 Comment
  CAS-BOT-BC95167  Polanisia dodecandra subsp. trachysperma P. Monnet 1913-7-7 876 Modoc Warner's Range. 1524 Comment
  CAS-BOT-BC197858  Polemonium micranthum Bruce Bartholomew 1994-5-14 6687 Modoc 5.1 km SE of Burlington Railroad Northern railroad track on road between Egg Lake and Lookout. 1400 Comment
  HSC104011  Polemonium micranthum L. Ahart, John Dittes 2008-6-21 14981 Modoc About 5.4 air mi. NE of Bieber, ~2.8 air mi. N of the Headquarters at Ash Creek State Wildlife Area, west of the large levee, mountain meadow in Big Valley 1256 Comment
  CAS-BOT-BC197850  Polemonium occidentale Leland S. Smith 1920-8-10 20 Modoc Mill Creek Meadows. 2087 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
  SEINET13761523  Polemonium occidentale subsp. occidentale D. A. Charlet 1989-8-21 590 Modoc Warner Mountains, 1.2 kilometers northwest of Eagle Peak 2579 Comment
  CAS-BOT-BC197846  Polemonium pulcherrimum var. pilosum C. C. (Mrs.) Bruce 1897-1-1 Modoc Davis Creek. Comment
  UCR87511  Polyctenium fremontii George K. Helmkamp, E. A. Helmkamp 1993-5-4 s.n. Modoc 25.6 miles NW of Canby along Calif. Hwy 139 1280 Comment
  HSC6718  Polyctenium fremontii M. T. Milligan 1964-4-25 Modoc 7 mi. W on Centerville Rd. from Alturas Comment
  JEPS13800  Polyctenium fremontii Mary H. Manning 1912-4 Modoc Tule Lake Comment
  CAS-BOT-BC58322  Polyctenium fremontii var. fremontii Ellsworth Bethel 1923-4-26 Modoc Lookout. 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
  UC1536796  Polygonum amphibium var. stipulaceum Gordon H. True Jr. 1939-7-21 1040 Modoc Jacks Swamp Comment
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May 24 2006
  SEINET4936529 Image available Polygonum austinae Unknown 1885-1 s.n. Modoc Goose Lake Valley [Modoc County, on the northern border of the State] Comment
  CAS-BOT-BC419701  Polygonum austiniae Mrs. R. M. Austin 1895-7-1 134 Modoc Goose Lake Valley Comment
  CHSC106350  Polygonum aviculare Lowell Ahart; John Dittes 2010-8-30 17071 Modoc About 150 yards west of the fence, south edge of the meadow, Ash Creek State Wildlife Area, 2,300 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  CHSC112072  Polygonum aviculare subsp. buxiforme L. P. Janeway; B. Castro 2014-6-3 11322 Modoc Great Basin. On the dry cracked white mud of Big Mud Lake, near the northwest edge. 1637 Comment
  NY404654  Polygonum aviculare subsp. buxiforme L. C. Wheeler 1973-8-23 s.n. Modoc Alturas Comment
  UC402681  Polygonum aviculare subsp. buxiforme W. P. Taylor and H. C. Bryant 1910-7-13 Modoc N. Fork Parker Cr. Warner Mountains (head) 2225 Comment
  SFV18023  Polygonum bistortoides J. A. Matos, D. C. Rudolph 1999-8-7 s. n. Modoc Pothole Creek near Pothole Spring. Near crossing of Clear Lake Road. 1470 Comment
  CDA2799  Polygonum convolvulus T. C. Fuller 1958-7-8 2019 Modoc Davis Creek. 0 Comment
  CAS-BOT-BC218129  Polygonum douglasii Bruce Bartholomew; Barrett Anderson 1989-6-2 4781 Modoc Top of Fandango pass, Warner Mountains. 1870 Comment
  UC466035  Polygonum douglasii subsp. austiniae Mrs. R. M. Austin Aug. 1894 304 Modoc Davis Creek Comment
  UC1191246  Polygonum douglasii subsp. douglasii Herbert L. Mason and Verne Grant 1937-7-13 13451 Modoc w end of pass near Goose Lake (on road to Fort Bidwell); Fandango Pass Comment
  SEINET3087353 Image available Polygonum douglasii var. johnstonii Arnold Tiehm 1984-6-30 8841 Modoc Northwest side of Bidwell Mountain, 2.8 road miles north of 8 mile creek on the road from Lake Annie 1829 Comment
  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
  UCR174480  Polygonum kelloggii Jim Andre 1993-6-30 1413 Modoc Modoc Plateau, about 10 miles NW of Canby on Hwy 139, near NW end of Oak Ridge 1494 Comment
  CAS-BOT-BC218173  Polygonum polygaloides subsp. confertiflorum Bruce Bartholomew; Barrett Anderson 1988-5-12 4097 Modoc White Horse. 1340 Comment
  CHSC67585  Polygonum polygaloides subsp. confertiflorum James D. Jokerst 1990-8-2 3210 Modoc Hwy. 139 NW of Canby, ca. 300 m N of the road at the edge of a large dry lake, within the dry-down zone adjacent to a concrete overflow structure. Comment
  JEPS98242  Polygonum polygaloides subsp. confertiflorum R. E. Preston 2000-7-18 1403 Modoc 12 mi NW of Canby (along Hwy 139) 1490 Comment
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Sep 13 2017
  JEPS50549  Polygonum polygaloides subsp. confertiflorum Milo S. Baker 1893-6-28 Modoc in Modoc County Modoc County 1371 Comment
  CHSC67591  Polygonum polygaloides subsp. esotericum James D. Jokerst 1990-8-2 3215 Modoc S of Hwy. 139 NW of Canby, 4.7 mi W of junction with Loveness Rd. Comment
  CHSC67688  Polygonum polygaloides subsp. esotericum James D. Jokerst 1990-8-2 3211 A Modoc Hwy. 139 NW of Canby, ca. 300 m N of the road at the SE edge of a large dry lake, within the dry-down zone adjacent to a concrete overflow structure. Comment
  UCD77934  Polygonum polygaloides subsp. esotericum Robert E. Preston 2000-7-18 1408 Modoc Ca. 13 mi nw of Canby, along n side of Hwy 139, 500 ft w of Forest Service Rd 44N11. 1478 Comment
  UCR137459  Polygonum polygaloides subsp. esotericum L. C. Wheeler 1973-8-23 s.n. Modoc Big Mud Lake Comment
  CAS-BOT-BC218189  Polygonum polygaloides subsp. kelloggii Roxana Stinchfield Ferris; R. Duthie 1919-6-14 107 Modoc Above Parker Creek, Warner Mts. 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
  UC1191247  Polygonum sawatchense subsp. oblivium Herbert L. Mason and Verne Grant 1947-7-9 13309 Modoc Cedar Pass Warner Range (summit of range) 1920 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-BC252510  Polypogon monspeliensis Bruce Bartholomew 1992-5-15 6283 Modoc Vicinity of Leonard Hot Spring, E side of Surprise Valley. 1370 Comment
  UC1037169  Polypogon monspeliensis Leo Whitney 1935-7-17 3514 Modoc Hackamore Lake Joaquina (ca 15 mi nw of Canby, Modoc National Forest); Modoc National Forest, , Hackamore 1463 Comment
  UCD91407  Polypogon monspeliensis L. Whitney 1935-7-17 3514 Modoc Modoc National Forest. Lake Joaquina, Hackamore, ca. 15 miles NW of Canby 1463 Comment
  CAS-BOT-BC225102  Populus tremuloides P. F. Covel 1939-8-13 1633 Modoc Highway at Pitt River west of Canby. Comment
  NY177829  Populus tremuloides L. C. Wheeler 1935-9-30 4017 Modoc Back Tuttle Place Devil's Garden 1524.0 Comment
  RSA611274  Populus tremuloides Louis C. Wheeler 1935-9-30 4017 Modoc Back Tuttle Place. Devil's Garden. 1524 Comment
  UC1542926  Populus tremuloides G. Schoolcraft 1987-10-28 1781 Modoc about 1 mi e ski area (Warner Mts.); Warner Mts. 1767 Comment
  UC71755  Populus tremuloides Mrs. M. H. Manning 1903-4 72 Modoc near Fort Bidwell (ne Modoc County); near Fort Bidwell Comment
  CAS-BOT-BC225107  Populus trichocarpa Roxana Stinchfield Ferris; R. Duthie 1919-6-14 140 Modoc Parker Creek below Nat. Forest Boundary. Comment
  JEPS6727  Porterella carnosula Annie M. Alexander and Louise Kellogg 1946-7-11 4975 Modoc mesa w Eight Mile Creek (ne corner of county); mesa w <of> Eight Mile Creek Comment
  CAS-BOT-BC497206  Porterella carnosula Louis C. Wheeler 1935-8-3 3756 Modoc Warner Mountains: Rock Lake, Pine Creek 1920 Comment
  SEINET10939151  Porterella carnosula Whitney 1934-5-5 WHITNEY 1691 Modoc Dry stream bed near Hackamore, ca 15 miles northwest of Canby, Modoc National Forest 1463 Comment
  SEINET10939152  Porterella carnosula Mcmillan 1949-6-16 MCMILLAN 1534 Modoc In marsh 3 mi. south of Crowder Flat, north central Modoc Co., about 7 mi. south of the Oregon border Comment
  UC1191467  Portulaca oleracea Verne Grant, Irving Schneider 1947-8-27 8315 Modoc sw end of Clear Lake Clear Lake Comment
  CAS-BOT-BC242238  Potamogeton gramineus Malcom A. Nobs; Calvin McMillan 1949-6-16 788 Modoc Dry Valley Reservoir, 33 mi. NNW of Alturas. Comment
  POM313026  Potamogeton illinoensis Verne Grant, Irving Schneider 1947-8-29 8353 Modoc Pit River, at bridge by Coal Stone Valley. Comment
  UC1099908  Potamogeton illinoensis Verne Grant, Irving Schneider 1947-8-29 8353 Modoc at bridge by Coal Stone Valley; Pit River Comment
  CAS-BOT-BC242227  Potamogeton pusillus Herbert Louis Mason; Verne Grant 1947-7-11 13382 Modoc Road from Likely to Jess Valley, ca. 1 mi. E of Likely. Comment
  UC1100097  Potamogeton richardsonii Herbert L. Mason, Verne Grant 1947-7-11 13380 Modoc 1 mi e of Likely (on road from Likely to Jess Valley) Comment
  RSA313010  Potamogeton zosteriformis H. L. Mason 1947-7-12 13384 Modoc Irrigation ditch by Jones Lane, off Hwy 395, several miles S of Alturas. Comment
  UCD138302  Potamogeton zosteriformis Verne Grant; Irving Schneider 1947-7-18 8054 Modoc 1.4 miles north of Bayley's bridge, south of Alturas. Comment
  UC1100089  Potamogeton zosteriformis Verne Grant, Irving Schneider 1947-7-18 8052 Modoc 3 mi n of Bayley's Bridge (in Pit River Valley s of Alturas); Pit River Valley Comment
  CAS-BOT-BC214736  Potentilla biennis John Thomas Howell 1934-7-2 12355 A Modoc Nigger Ben Spring, SE end of Clear Lake. Comment
  CAS-BOT-BC214745  Potentilla breweri Annie Montague Alexander; L. Kellogg 1946-8-3 5108 Modoc Head of Eagle Creek, Warner Mts. Comment
  CAS-BOT-BC214774  Potentilla gracilis Bruce Bartholomew 1990-6-18 5387 Modoc Turner Creek at County Rd 90, N end of Big Valley, 6.4 km N of Lassen County border. 1230 Comment
  CAS-BOT-BC214778  Potentilla gracilis John Thomas Howell 1934-7-1 12303 Modoc Duncan Horse Camp. 1355 Comment
  UC545660  Potentilla gracilis John Thomas Howell 1934-7-1 12306 Modoc Duncan Horse Camp Comment
  HSC18745  Potentilla gracilis var. fastigiata M. T. Milligan 1964-7-1 102 Modoc Rattlesnake Butte Rd. at Pit River. 1372 Comment
  JEPS86373  Potentilla gracilis var. fastigiata Jack and Betty Guggolz 1988-6-30 971 Modoc from a sparsely vegetated gravelly flat near the Old Canon Mill Road Comment
  RSA504842  Potentilla gracilis var. fastigiata Bruce Bartholomew 1988-7-21 4473 Modoc Vicinity of Patterson Campground, Southern end of the Warner Mountains. 668 Comment
  UC704380  Potentilla gracilis var. fastigiata Bud Fuller 1936-7-10 91 Modoc 15 mi nw Alturas; nw Alturas 1981 Comment
  POM312886  Potentilla gracilis var. flabelliformis Verne Grant 1947-7-19 8073 Modoc Williams Ranch; along Southern Pacific right-of-way near East Canal, in Pit Valley south of Alturas. Comment
  SEINET195486  Potentilla millefolia Annie M. Alexander, Louise Kellogg 1946-6-18 4799 Modoc Meadow, Silver Creek branch of Patterson Mill road 1829 Comment
  POM224393  Potentilla newberryi L. D. Whitney 1935-7-29 3595 Modoc Near west end of Clear Lake Comment
  UC1191510  Potentilla newberryi Verne Grant, Irving Schneider 1947-8-27 8313 Modoc sw end Clear Lake; sw end of Clear Lake Comment
  UC860749  Potentilla newberryi Leo Whitney 1934-5-20 3031 Modoc near Clear Lake (bank of Lost River, Northern Modoc County); near Clear Lake, Bank of Lost River 1463 Comment
  CDA13450  Potentilla norvegica G. F. Hrusa, T. D. Wilfred 1996-7-21 13297 Modoc Modoc Plateau; About the Modoc Co. Rd. 90 bridge over Pit River. E base of Splawn Mtn. N end of Big Valley. Comment
  CHSC117253  Potentilla rivalis Lowell Ahart; John Dittes 2016-7-14 21196 Modoc West of a new pond, south of Ash Creek Canal (now filled in), south of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. 1273 Comment
  CAS-BOT-BC225034  Poteridium annuum Bruce Bartholomew 1991-7-4 5899 Modoc S end of Higgins Flat. 1370 Comment
  CAS-BOT-BC225030  Poteridium annuum Roxana Stinchfield Ferris; R. Duthie 1919-6-15 156 Modoc Parker Creek, Warner Mts. Comment
  CAS-BOT-BC214810  Prunus emarginata Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-13 16458 Modoc Near summit of Fandango Pass, Warner Mts. Comment
  CAS-BOT-BC214814  Prunus subcordata Roxana Stinchfield Ferris; R. Duthie 1919-6-14 137 Modoc Parker Creek below Modoc Nat. Forest Boundary. Comment
  CAS-BOT-BC214818  Prunus subcordata Elmer Ivan Applegate 1929-6-25 5906 Modoc Willow Ranch, E side of Goose Lake. Comment
  CAS-BOT-BC214822  Prunus subcordata K. Paulson; Robert Paulson 1989-5-8 104 Modoc Howard's Gulch, along Hwy 139. 1371 Comment
  JEPS44712  Prunus subcordata Frances D. Payne 1932-5-27 404 Modoc s and e of Alturas (Parker Creek); Warner Mountains, Parker Creek 1584 Comment
  NY849338  Prunus subcordata R. J. Weatherby 1955-7-8 1630 Modoc 6 miles north of Fort Bidwell, Warner Mountains 1646 Comment
  UC467872  Prunus subcordata Belknap C. Goldsmith 1911-5-21 22 Modoc county road near Goose Lake (Modoc National Forest); Modoc National Forest 1463 Comment
  UCD113512  Prunus subcordata T. C. Fuller 1963-7-16 11008 Modoc south side of Fandango Pass Road, just east of road to Willow Ranch, west base of the Warner Mountains. Comment
  UC466757  Prunus subcordata M. F. Gilman 529 Modoc 1524 Comment
  RSA749196  Prunus subcordata var. subcordata A. Townesmith, K. M. Meyer 2007-9-16 214 Modoc Modoc National Forest, going E on Hwy 299, 5.1 miles from the start of NF. Lower, Cedar Creek interpretive trail. 1622 Comment
  JEPS44906  Prunus virginiana var. demissa L. S. Smith 1919-6-2 1113 Modoc w of Cedarville (Warner Mountains, Deep Creek); Warner Mountains, Deep Creek Comment
  JEPS44918  Prunus virginiana var. demissa W. L. Jepson 1918-8-9 7908 Modoc North Fork Bidwell Creek 1828 Comment
  JEPS44920  Prunus virginiana var. demissa L. S. Smith 1919-6-2 1113 Modoc Deep Creek Railroad Station; Warner Mountains, Deep Creek Railroad Station 1524 Comment
  RSA451460  Prunus virginiana var. demissa H. E. McMinn 1931-5-23 1998 Modoc Cedarville road. Warner Mtns. Comment
  UC1191504  Prunus virginiana var. demissa Verne Grant, Irving Schneider 1947-7-22 8159 Modoc 1 mi nw of Highway 395 (on dirt road leading to s end of Goose Lake, at headwaters of North Fork Pit River); North Fork Pit River Comment
  SEINET7452163  Prunus virginiana var. demissa J. H. Robertson 1974-8-27 NS 67 -74 Modoc Between Adin and Eagle Lake, Highway 139, 1 mile North of Willow Creek 1532 Comment
  UCD91518  Pseudoroegneria spicata R. Tofsrud 1947-7-1 210 Modoc Between Alturas and Cedarville. Comment
  UCD91521  Pseudoroegneria spicata L. Whitney 1935-8-3 s.n. Modoc Hackamore. Comment
  UCD91523  Pseudoroegneria spicata E. Wilson 1934-8-14 s.n. Modoc About 25 miles West of Alturas. Comment
  CAS-BOT-BC95231  Pseudostellaria jamesiana Bruce Bartholomew; Barrett Anderson 1988-7-21 4455 Modoc Vicinity of Patterson Campground, southern end of the Warner Mts. 2190 Comment
  CAS-BOT-BC95233  Pseudostellaria jamesiana Bruce Bartholomew 1991-6-20 5783 Modoc NE side of Barber Ridge, 10 km NW of Adin on road to Fox Mountain. 1580 Comment
  POM267209  Pseudostellaria jamesiana Marion Ownbey 1940-7-1 2142 Modoc Cedar Peak, Warner Mountains. Comment
  HSC80709  Pseudostellaria jamesiana G. M. Riegel 1980-7-8 834 Modoc S Warner Mtns. 1670 Comment
  CAS-BOT-BC50381  Psilocarphus brevissimus var. brevissimus Louis Cutter Wheeler 1935-8-25 3920 Modoc Rim Rock Valley, Devil's Garden. 1524 Comment
  UC1192096  Psilocarphus brevissimus var. brevissimus Herbert L. Mason 1947-8-12 13513 Modoc outside Alturas (junction of North and South Forks of Pit River); Pit River Comment
  CHSC107373  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, 10 miles (air) east of Lookout, Big Valley. 1264 Comment
  RSA26258  Puccinellia lemmonii Alice Eastwood, J. T. Howell 1940-6-11 8020 Modoc Near Canby Comment
  UCD91882  Puccinellia lemmonii Beecher Crampton 1954-7-6 2084 Modoc Modoc County, 4 miles north of Likely, flat along US highway 395. Comment
  UCD32738  Puccinellia nuttalliana Beecher Crampton 1954-7-8 2191 Modoc Modoc County, 3 miles west of Alturas, along US highway 299. Comment
  SEINET3157320  Purshia tridentata E. K. Balls 1950-5-21 14822 Modoc S Fork Public Camp, S Fork Pit River 1478 Comment
  UCD35723  Purshia tridentata Beecher Crampton 1960-6-17 5681 Modoc 5 miles south of Perez, Plant Quarantine Station area. 1371 Comment
  CAS-BOT-BC218225  Purshia tridentata var. tridentata A. D. Borden 1911-6-15 Modoc S slope of Davis Creek. Comment
  CAS-BOT-BC218229  Purshia tridentata var. tridentata Francis Dorris Payne 1931-6-1 152 Modoc Parker Creek, Warner Mts. 1584 Comment
  RSA520466  Purshia tridentata var. tridentata K. Paulson, R. Paulson 1989-5-8 112 Modoc Howard's Gulch. Along Hwy 139. 1372 Comment
  UC71813  Pyrola picta Mrs. M. H. Manning 1903-9-2 378 Modoc John Henry Hill 1828 Comment
  UCR198259  Pyrrocoma carthamoides var. cusickii G. D. Barbe 1991-8-27 4443 Modoc Modoc Plateau, Warner Mountins 2317 Comment
  UC891896  Pyrrocoma carthamoides var. cusickii Lewis S. Rose 1940-6-14 40565 Modoc Kelly Hot Springs 1341 Comment
  UC296012  Pyrrocoma lanceolata var. subviscosa H. M. Hall 1925-8-30 12211 Modoc about 1 mi s Alturas Comment
  RSA520492  Quercus garryana var. garryana Bruce Bartholomew 1989-8-10 5025 Modoc Little Hot Spring Valley, 1.6 km NW of Day. 1070 Comment
  UC748219  Ranunculus alismifolius var. alismifolius Annie M. Alexander and Louise Kellogg 1946-6-8 4696 Modoc road from Eagleville to Patterson Mill 2286 Comment
  RSA59711  Ranunculus aquatilis var. capillaceus E. K. Balls 1950-5-18 14765 Modoc Modoc: just S of Adin, in city limit, by turn to Madeline off Hwy 299. 1280 Comment
  CAS-BOT-BC217273  Ranunculus aquatilis var. diffusus Bruce Bartholomew 1991-7-5 5945 Modoc North Willow Creek, vicinity of the Oregon border. 1580 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
  UC71612  Ranunculus aquatilis var. hispidulus Mrs. M. H. Manning 1903-4-26 88 Modoc near Fort Bidwell (ne Modoc Co.) Comment
  JEPS60726  Ranunculus aquatilis var. subrigidus Leland S. Smith 1918-7-22 1008 Modoc Blue Lake Modoc National Forest 1874 Comment
Read comments
Jun 2 2009
  CAS-BOT-BC217229  Ranunculus cymbalaria Bruce Bartholomew 1995-6-3 6949 Modoc Just S of the Oregon border at the shore of Goose lake. 1400 Comment
  UC1101382  Ranunculus cymbalaria var. saximontanus Herbert L. Mason and Verne Grant 1947-7-12 13392 Modoc irrigation ditch by Jones' Lane (off Hwy 395, several mi s of Alturas) Comment
  UCR133562  Ranunculus cymbalaria var. saximontanus Mrs. R. M. Austin 1895-1 166 Modoc Goose Lake 1433 Comment
  UC1051435  Ranunculus cymbalaria var. saximontanus Herbert L. Mason 1955-8-14 14661 Modoc n Rim Rock Valley Reservoir; Drift Fence Reservoir Comment
  POM261553  Ranunculus flabellaris Alice Eastwood, John T. Howell 1940-6-12 8080 Modoc Jess Valley. Comment
  UC54905  Ranunculus glaberrimus Mrs. M. H. Manning 1903-3-27 Modoc Ft. Bidwell Comment
  SEINET3161109  Ranunculus glaberrimus E. K. Balls 1950-5-10 15968 Modoc Cedar Pass; on way from Alturas to Cedarville 1829 Comment
  UC118382  Ranunculus hebecarpus unknown Mar. 1890 430 Modoc Goose Lake Comment
  CHSC1486  Ranunculus macounii J. Wakeman 1963-5-11 Modoc Big Valley, along Hiway 299. 1219 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
  RSA488028  Ranunculus occidentalis var. ultramontanus Bruce Bartholomew, B. Anderson 1988-5-12 4096 Modoc White Horse 1340 Comment
  CAS-BOT-BC217189  Ranunculus orthorhynchus var. orthorhynchus Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-14 16486 Modoc 6.4 mi. S of Lassen Creek camp ground, on roda to Buck Mt., Warner Mts. Comment
  POM269466  Ranunculus oxynotus Elmer I. Applegate 1932-8-1 8047 Modoc Arid rocky E slope of Warren Peak, Warner Mts. Comment
  UC71853  Ranunculus sceleratus Mrs. M. H. Manning 1903-6 148 Modoc near Fort Bidwell (ne Modoc Co.) Comment
  JEPS55164  Ranunculus sceleratus Mary H. Manning 1903-5-8 126 Modoc Comment
  CAS-BOT-BC217195  Ranunculus sceleratus var. multifidus Elmer Ivan Applegate 1897-6-5 968 Modoc Near Alturas. Comment
  RSA85295  Ranunculus sceleratus var. multifidus F. W. Peirson 1926-6-26 6904 Modoc Alturas to Canby Comment
  CAS-BOT-BC217152  Ranunculus testiculatus James Vale 1978-5-1 s.n. Modoc At Pit River bridge on road from Adin to Canby. Comment
  CDA3493  Ranunculus testiculatus C. B. Greenback 1981-4-9 Modoc Hawk s Nest, near Tule Lake. 0 Comment
Read comments
Jun 24 2009
  CAS-BOT-BC217157  Ranunculus uncinatus Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16395 Modoc along Thomas Creek, 6.1 mi. E of California State Highway 299 on road to Cedarville Comment
  JEPS60665  Ranunculus uncinatus Frances D. Payne 1929-7-7 62 Modoc 2 mi sw Mt. Warren (se Modoc Co.); Pine Creek Basin 2133 Comment
  RSA520498  Rhamnus rubra Bruce Bartholomew 1989-7-14 4969 Modoc E side of Lower Roberts Reservoir and 3km NNE of Lookout. 1300 Comment
  CAS-BOT-BC58197  Rhododendron columbianum Elmer I. Applegate 1932-8-6 8210 Modoc Just above Lily Lake, Bidwell Pass, Warner Mts. Comment
  CAS-BOT-BC95679  Rhododendron columbianum Bruce Bartholomew 1995-7-31 7124 Modoc 6.3 km from Forest Service road 46N30 on Forest Service road 45N34, W side of Warner Mountains. 1920 Comment
  SEINET2029156 Image available Rhododendron columbianum L. C. Wheeler 1935-8-4 3777 Modoc Warner Mountains, Pine Creek 2210 Comment
  UC1191522  Ribes aureum Verne Grant, Irving Schneider 1947-7-22 8142 Modoc about 1 mi n Cedarville road (on Highway 395); North Fork of Pit River Comment
  CAS-BOT-BC225863  Ribes cereum E. S. Willits 1940-4-27 190 Modoc Sugar Hill. Comment
  CAS-BOT-BC225880  Ribes cereum Elmer Ivan Applegate 1932-7-31 7984 Modoc Mill Creek Meadow, Warner Mts. Comment
  CAS-BOT-BC225884  Ribes cereum Bruce Bartholomew; Barrett Anderson 1988-5-12 4107 Modoc S side of Egg Lake. 1300 Comment
  CAS-BOT-BC225888  Ribes cereum A. D. Borden 1911-5-20 Modoc Sugar Hill Comment
  HSC20287  Ribes cereum R. C. Wunner 1965-6-20 228 Modoc Lava Beds N.M., Lava Brook Cave. 1463 Comment
  JEPS49421  Ribes cereum W. L. Jepson 1918-8-13 7958 Modoc Poison Flat Warner Mts., Eagle Peak 1889 Comment
  RSA520365  Ribes cereum Bruce Bartholomew, B. Anderson 1989-4-29 4685 Modoc Surprise Valley Road, just S of the Oregon border, extreme NE corner of Modoc County. 1630 Comment
  UCD38342  Ribes cereum Beecher Crampton; with Carl Rimbey 1954-7-8 2185 Modoc 12 miles east of Likely. Canyon on the south fork of the Pit River. Comment
  CAS-BOT-BC225911  Ribes roezlii var. roezlii Bruce Bartholomew; Barrett Anderson 1989-4-27 4623 Modoc Little Hot Spring Valley, 4.0 km NW of Day. 1070 Comment
  CAS-BOT-BC225929  Ribes velutinum Belknap C. Goldsmith 1911-5-20 33 Modoc Sugar Hill, county road near Goose Lake. 1524 Comment
  CAS-BOT-BC225931  Ribes velutinum Frank Pery Sipe 1930-7-17 s.n. Modoc Lava beds. Comment
  NY455557  Ribes viscosissimum R. M. Austin 06 1898 2352 Modoc Lake City Canyon Comment
  NY455564  Ribes viscosissimum B. M. Bartholomew 1988-6-24 4298 Modoc Road beyond poison Lake, ca. 8 km south of the road from US Highway 396 to lily Lake, Warner Mountains 2130 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
  UC11680  Ribes viscosissimum Mrs. R. M. Austin and Bruce June 1898 2352 Modoc Lake City Mt. Comment
  CAS-BOT-BC50326  Rigiopappus leptocladus Roxana Stinchfield Ferris; R. Duthie 1919-6-14 32 Modoc Above Parker Creek. Comment
  CAS-BOT-BC50367  Rigiopappus leptocladus Bruce Bartholomew 1992-5-17 6349 Modoc On abandoned dirt track, SW side of White Horse Mountains, SW of White Horse Flat Reservoir. 1300 Comment
  CAS-BOT-BC362919  Rigiopappus leptocladus David D. Keck; J. Clausen 1935-6-24 3715 Modoc 3 mi. northeast of Willow Ranch, east of Goose Lake 1550 Comment
  CAS-BOT-BC58408  Rorippa austriaca M. K. Bellue 1933-6-1 Modoc Alturas. Comment
  CAS-BOT-BC58410  Rorippa columbiae Leland S. Smith 1920-7-14 1189 Modoc Marlin. 1371 Comment
  CAS-BOT-BC58420  Rorippa curvisiliqua Bruce Bartholomew 1995-7-30 7052 Modoc W end of Widow Valley, Big Valley Mountains. 1380 Comment
  CAS-BOT-BC58424  Rorippa curvisiliqua Clare Butterworth Hardham 1974-8-6 20175 Modoc Cedar Pass, Warner Mountains. 1938 Comment
  CAS-BOT-BC74419  Rorippa curvisiliqua Roxana S. Ferris; Rena P. Duthie 1919-6-14 169 Modoc Modoc National Forest Boundary. Parker Creek. Comment
  RSA322273  Rorippa curvisiliqua R. C. Rollins, Kathryn W. Rollins, David Gates, JoRita Gates, Aileen G. Roads 1983-7-6 83229 Modoc Above Widow Valley, ca. 3 miles E of day. Comment
  UC1601428  Rorippa curvisiliqua Franklin P. Nutting Modoc Little Hot Spring Valley Comment
  CHSC106351  Rorippa curvisiliqua var. orientalis Lowell Ahart; John Dittes 2010-8-30 17074 Modoc About 10 yards west of the fence, Ash Creek State Wildlife Area, 2,300 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  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
  RSA210832  Rorippa islandica R. F. Thorne, James Henrickson, C. W. Tilforth 1969-9-3 39021 Modoc SE end of Tule Lake Sump 0.5 miles N of turnoff to Lava Beds National Monument, (2.2 miles E of NE entrance to monument) 1265 Comment
  CAS-BOT-BC95038  Rorippa palustris var. hispida Verne Grant; I. Schneider 1947-7-19 8077 Modoc William Ranch, along Southern Pacific right-of-way near East Canal, in Pit Valley S of Alturas. Comment
  CAS-BOT-BC218252  Rosa woodsii var. ultramontana Alice Eastwood; John Thomas Howell 1940-6-11 8009 Modoc 6 mi. NE of Adin on road to Canby. Comment
  CAS-BOT-BC218257  Rosa woodsii var. ultramontana Leland S. Smith 1919-6-14 26 Modoc Deep Creek. 1524 Comment
  UC1191505  Rosa woodsii var. ultramontana Verne Grant and Irving Schneider 1947-7-18 8045 Modoc 5 mi n Bayley's Bridge (s of Alturas); Eastside Canal Comment
  UC528028  Rosa woodsii var. ultramontana Elmer I. Applegate 1929-6-25 5904 Modoc e side of Goose Lake Willow Ranch (along stream) Comment
  UC12970  Rubus parviflorus Baker and Nutting Modoc Comment
  HSC17597  Rumex crispus M. T. Milligan 1964-7-1 105 Modoc Rattlesnake Butte Rd. at Pit River. 1372 Comment
  CAS-BOT-BC211301  Rumex lacustris Bruce Bartholomew 1989-8-12 5134 Modoc Deep Creek, E side of Warner Mountains. 1620 Comment
  UCD101327  Rumex lacustris Verne Grant; Irving Schneider 1947-8-27 8309 Modoc South end Clear Lake. 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
  UC1191270  Rumex maritimus Herbert L. Mason 1947-8-13 13517 Modoc n of Canby (ne side of F reservoir) Comment
  CDA22911  Rumex maritimus G. D. Barbe 1985-8-29 4248 Modoc West of Westside Road, South Fork of Pit River south of Alturas. 0 Comment
  CDA23212  Rumex salicifolius var. triangulivalvis T. C. Fuller 1958-7-8 2033 Modoc 4 miles south of Pine Creek. 0 Comment
  JEPS127298  Rumex transitorius Lowell Ahart, John Dittes 2016-7-14 21194 Modoc South of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin Big Valley. Comment
  CHSC32933  Sagittaria cuneata J. P. Smith; J. O. Sawyer 1973-8-9 7268 Modoc Blue Lake, Modoc National Forest. 1859 Comment
  RSA210812  Sagittaria cuneata Robert F. Thorne, C. W. Tilforth 1969-9-4 39058 Modoc 2 mi W of Davis Creek (town), S. of Goose Lake 1433 Comment
  UC935737  Sagittaria cuneata Herbert L. Mason and Verne Grant 1947-7-11 13368 Modoc irrigation ditch by Jones Lane off Highway 395 s Alturas Comment
  RSA577799  Sagittaria cuneata L. C. Wheeler 1935-8-5 3787 Modoc Warner Mountains: Mt. Diablo Mer.; Little Lily Lake, Pine Creek. 2287 Comment
  CAS-BOT-BC225113  Salix boothii Francis Dorris Payne 1932-7-21 728 a Modoc marsh S of Mosquito Lake, E side of Mt. Warren (Buck Mt.) 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
  UC482328  Salix boothii Frances D. Payne 1931-7-7 331 Modoc 33 km. se of Alturas; Warner Mts., Pine Creek Basin 2280 Comment
  UC482332  Salix boothii Frances D. Payne 1931-7-7 331 Modoc 33 km se of Alturas; Warner Mts., Pine Creek Basin 2280 Comment
  UC481848  Salix eastwoodiae Frances D. Payne 1931-6-25 275 a Modoc ca. 33 km. se Alturas; Warner Mts., Pine Creek Basin 2280 Comment
  UC481868  Salix eastwoodiae Frances D. Payne 1931-7-7 333 Modoc ca. 33 km. se Alturas (below spring); Warner Mts., Pine Creek Basin 2280 Comment
  LA208612  Salix exigua Mrs. H. P. Bracelin; Miss Frances D. Payne 1931-6-30 488 Modoc Parker Creek, 20 km. E of Alturas; meadow S of Payne Ranch 1560.0 Comment
  SBBG28795  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
  SBBG58876  Salix exigua Mrs. H. P. Bracelin 1931-6-30 501 Modoc Alturas, SW end of town 1300 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
  UC481821  Salix exigua Mrs. H. P. Bracelin 1931-6-30 501 Modoc sw end of town Alturas 1360 Comment
  RSA0030831  Salix exigua H. P. Bracelin, Frances D. Payne 1931-6-30 488 Modoc Parker Creek, 20 km. east of Alturas. 1560 Comment
  SD887  Salix exigua var. hindsiana Mrs. H. P. Bracelin, Frances D. Payne 1931-6-30 488 Modoc Parker Creek, 20 km. east of Alturas, meadow south of Payne Ranch 1559 Comment
  RSA27065  Salix gooddingii C. Leo Hitchcock 1940-5-27 6699 Modoc 12 miles NW of Alturas. 1616 Comment
Read comments
Apr 8 2012
  UC481802  Salix lasiandra subsp. lasiandra Mrs. H. P. Bracelin and Miss Frances D. Payne 1931-6-30 498 Modoc 20 km. e., s. of Payne Ranch, Parker Creek Alturas; Parker Creek 1560 Comment
  UC481937  Salix lasiandra subsp. lasiandra Mrs. H. P. Bracelin and Miss Frances D. Payne 1931-6-30 490 Modoc 20 km. e. Alturas (meadow s. of Payne Ranch); Parker Creek 1560 Comment
  JEPS114783  Salix lasiandra var. lasiandra Lowell Ahart, John Dittes 2008-8-25 15303 Modoc On the west bank of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-notheast of Lookout 1273 Comment
  SD997  Salix lasiandra var. lasiandra Mrs. H. P. Bracelin, Miss Frances D. Payne 1931-6-30 498 Modoc Parker Creek, 20 km east of Alturas, in meadow south of Payne Ranch 1559 Comment
  UCD111536  Salix lasiandra var. lasiandra Mrs. H. P. Bracelin; Miss Frances D. Payne 1931-6-30 498 Modoc Parker Creek, 20 km. east of Alturas, south of Payne Ranch. 1560 Comment
  JEPS14858  Salix lasiolepis Frances D. Payne 1931-6-10 137 Modoc Parker Creek Warner Mts., Parker Creek 1584 Comment
  UC481929  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-29 486 Modoc halfway between Adin and Canby (0.1 mi. s. of Rush Creek Service Station, some distance from Rush Creek) 1350 Comment
  CAS-BOT-BC229662  Salix lemmonii H. P. Bracelin 1934-6-13 819 Modoc Patterson Mill Rd., E side of Warner Mts., beside Barber Creek. 1524 Comment
  CAS-BOT-BC229667  Salix lemmonii Francis Dorris Payne 1931-6-25 279 Modoc Pine Creek Basin, Warner Mts., about 33 km SE of Alturas. 2280 Comment
  LA208883  Salix lemmonii Frances D. Payne; August 1934 778 Modoc Warner Mountains, Pine Creek Basin 2316 Comment
  RSA59371  Salix lemmonii E. K. Balls 1950-5-11 14622 Modoc 4 miles S of Fort Bidwell. W of Upper Lake. 1402 Comment
  RSA610749  Salix lemmonii Louis C. Wheeler 1935-9-11 3971 Modoc Devils Garden: Mulkey Place, Fletcher Creek. 1524 Comment
  RSA611275  Salix lemmonii Louis C. Wheeler 1935-8-13 3831 Modoc Warner Mountains: Barnes Creek. Mt. Diablo Mer. 2287 Comment
  RSA612548  Salix lemmonii Louis C. Wheeler 1935-8-3 3770 Modoc Pine Creek, Warner Mts. 1555 Comment
  UC481857  Salix lemmonii Frances D. Payne 1931-7-7 332 Modoc ca. 33 km. s.e. Alturas; Warner Mts., Pine Creek Basin 2280 Comment
  JEPS38499  Salix ligulifolia L. S. Smith 1918-1 54 Modoc Contralts Mill; Warner Mts. Comment
  POM362933  Salix lucida subsp. caudata H. E. McMinn 1931-5-23 2466 Modoc Warner Mtns. Comment
  POM218952  Salix lucida subsp. lasiandra H. P. Bracelin, Frances D. Payne 1931-6-30 498 Modoc Parker Creek, 20 km E of Alturas. Meadow S of Payne Ranch. 1560 Comment
  SEINET10417376  Salix lucida subsp. lasiandra E. K. Balls 1950-5-20 14794 Modoc South Fork Pit River, South Fork Public Camp. 1433 Comment
  POM362841  Salix lutea H. P. Bracelin, Frances D. Payne 1931-6-30 499 Modoc Parker Creek, 20 km E of Alturas. Meadow S of Payne Ranch. 1560 Comment
  NY177718  Salix pseudocordata L. C. Wheeler 1935-8-13 3832 Modoc Warner Mts., Barnes Creek 2286.0 Comment
  CAS-BOT-BC229831  Salix scouleriana Francis Dorris Payne 1934-8-1 778 Modoc Pine Creek Basin, Warner Mts. 2316 Comment
  CHSC112841  Salsola tragus Lowell Ahart; John Dittes 2013-7-25 18969 Modoc Elkins Lane 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
  RSA180603  Salsola tragus T. C. Fuller 1964-10-8 12698 Modoc Levee across the S end of Goose Lake, ca. 5 miles W of Davis Creek. Comment
  NY540068  Salsola tragus L. C. Wheeler 1973-1 s.n. Modoc North end of Big Mud Lake Comment
  SEINET14190209 Image available Salvia aethiopis P. C. Martinelli, T. C. Fuller 1974-7-19 s.n. Modoc Alturas area Comment
  UCD125444  Salvia aethiopis John C. Hays 1947-6-1 s.n. Modoc Joseph Creek, on W.A. Carlsberg Ranch. Comment
  UCD125445  Salvia aethiopis John C. Hays 1947-6-1 s.n. Modoc Joseph Creek, on W.A. Carlsberg Ranch. Comment
  CAS-BOT-BC497221  Salvia dorrii Margaret J. Williams; Arnold Tiehm; Jan Nachlinger 1988-6-2 88- 27 -1 Modoc Hwy 395, 0.4 mi E of Susanville road after turn to Alturas 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-BC179244  Salvia dorrii var. dorrii Kay Paulson; Richard Paulson 1989-6-21 150 Modoc Vicinity of Granger Creek, E side of the Warner Mts. Comment
  UCSB12379  Salvia dorrii var. dorrii Dearing, Hugh; Dearing, Margaret 1939-6-9 Modoc East side of Cedar Pass Comment
  CAS-BOT-BC184106  Salvia dorrii var. pilosa Elmer I. Applegate 1935-6-7 9408 Modoc Lava Beds National Monument. Indian Wells Ranger Station Comment
  UC441301  Sambucus mexicana Franklin P. Nutting Modoc near Forestdale; Big Valley Mts. Comment
  CAS-BOT-BC95177  Sambucus racemosa var. melanocarpa Bruce Bartholomew 1989-7-14 4943 Modoc N side of the Pit River near Ostrom Point ca. 5.5 km E of County Route 91. 1280 Comment
  UC466699  Sanguisorba annua W. P. Taylor and H. C. Bryant 1910-6-26 Modoc Parker Cr.; Warner Mountains, Parker Cr. 1676 Comment
  RSA164354  Sanicula graveolens Clare B. Hardham 1961-6-18 7590 -B Modoc Cedar Pass. 1829 Comment
  UC21345  Sanicula graveolens M. S. Baker and Frank Nutting 1894-6-15 Modoc Big Valley Mountains Comment
  UCD98476  Saponaria officinalis Verne Grant; Irving Schneider 1947-8-24 8256 Modoc in pastuer at south end of Jess Valley in Warner Mountains. Comment
  CAS-BOT-BC95565  Sarcobatus vermiculatus Bruce Bartholomew 1989-8-11 5083 Modoc Sand Creek, Surprise Valley, 5 km W of Nevada border on State Hwy 299. 1400 Comment
  UC11816  Saxifraga nidifica var. nidifica Milo S. Baker 1893-6-8 Modoc Forestdale Comment
  UC748210  Saxifraga nidifica var. nidifica Annie M. Alexander and Louise Kellogg 1946-6-15 4779 Modoc Deep Creek, (Aspen flat) Deep Creek 2194 Comment
  POM204151  Saxifraga oregana John T. Howell 1934-6-14 12141 Modoc Near Lost Lake, Warner Mts. 2439 Comment
  UC402445  Saxifraga oregana Franklin P. Nutting Modoc Forestdale Comment
  NY784265  Saxifraga oregana var. oregana B. Anderson 1986-7-10 3199 Modoc Warner Mountains. West Warner Road at the North Fork of Pine Creek. 1935 Comment
  UCD126479  Schedonorus pratensis J. E. Coke 1932-11-1 s.n. Modoc Modoc County. Comment
  JEPS114500  Schoenoplectus acutus var. occidentalis Lowell Ahart, John Dittes 2008-8-25 15316 Modoc At water's edge, on the east bank (flood plain) of the Pit River, about 1/8 mile east of County Road 91,about 3.8 miles (air) north-northeast of Lookout 1273 Comment
  UCD143730  Schoenoplectus americanus Herbert L. Mason 1947-8-11 1349 Modoc on Highway 81, west margin of Lower Lake, near boundary between Lassen and Modoc counties. Comment
  UC1100761  Scirpus acutus var. occidentalis Herbert L. Mason, Verne Grant 1947-7-21 8129 Modoc Pit River 1/4 mi upstream from bridge on Highway 395 (n of Alturas); Pit River, n of Alturas 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
  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-BC197839  Scrophularia lanceolata Francis Whittier Pennell 1940-6-8 25736 Modoc Route 299, 9-10 mi. W of Alturas. 1371 Comment
  POM42816  Scrophularia lanceolata R. M. Austin 1895-08 129 Modoc Goose Lake Valley Comment
  CAS-BOT-BC179223  Scutellaria nana Lindsay Stuart Smith 1924-5-31 1358 Modoc Egg Lake Ranch and S. 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
  UC1586968  Scutellaria nana Juha Pykala and D. H. Norris 1987-5-27 1099 Modoc about 1.5 - 2 mi from Highway 299 to Modoc National Forest boundary (Crowder Flat Road); Crowder Flat Road 1499 Comment
  UC205194  Sedum lanceolatum Mrs. M. H. Manning 1907-1 Modoc e side Mt. Bidwell (12 Mile Creek, ne of Modoc Co.); e side Mt. Bidwell, 12 Mile Creek Comment
  JEPS48026  Sedum lanceolatum Frances D. Payne 1931-6-29 284 Modoc trail from Granger Pass to Mt. Warren (Warner Mountains); , trail fr Granger Pass to Mt. Warren 1981 Comment
  UCR34756  Sedum rosea J. A. Harpel 1981-8-6 V 39 Modoc Warner Mtns, South Warner Wilderness Area: E end of Patterson Lake, 7 mi NW of Eagleville 2744 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
  CDA8600  Senecio canus T. C. Fuller 1965-6-2 13596 Modoc South side of Highway 299 to Canby, 10.3 miles west of Alturas. 0 Comment
  SEINET195471  Senecio canus Annie M. Alexander, Louise Kellog 4784 Modoc On north side of Cedar Pass road 1768 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
  RSA155790  Senecio eurycephalus P. H. Raven 1962-5-29 17892 Modoc Six miles east of Alturas. Comment
  RSA252461  Senecio eurycephalus R. F. Thorne, C. W. Tilforth 1969-9-5 39150 Modoc Near Mill Creek Falls. Modoc Nataional Forest, Warner Mts. 1753 Comment
  CAS-BOT-BC50264  Senecio integerrimus Annie Montague Alexander; L. Kellogg 1946-6-26 4838 Modoc Dismal Swamp. 2255 Comment
  CAS-BOT-BC50291  Senecio integerrimus var. exaltatus Mrs. H. C. Cantelow 1940-6-1 Modoc Summit of Cedar Pass, Warner Mtns. 1935 Comment
  JEPS37283  Senecio integerrimus var. exaltatus Milo S. Baker 1893-6-25 Modoc Comment
  RSA0124985  Senecio integerrimus var. exaltatus Clare B. Hardham 1961-6-18 7588 Modoc Cedar Pass. 1828 Comment
  POM272189  Senecio pauciflorus Mrs. R. M. Austin s.n. Modoc Devil's Garden; Pitt River watershed. Comment
  CAS-BOT-BC50266  Senecio serra var. serra Leland S. Smith 1919-8-4 1137 Modoc Ash Creek, Modoc National Forest 1828 Comment
  RSA0013302  Senecio serra var. serra L. C. Wheeler 1935-8-4 3782 Modoc Dry Lake, Pine Creek, Warner Mts. 2104 Comment
  HSC81129  Senecio triangularis G. M. Riegel 1980-8-12 1033 Modoc South Warner Mtns. 2100 Comment
  CAS-BOT-BC95636  Shepherdia argentea Isabelo T. Kelly 1930-1-1 2 Modoc Near Cedarville, Surprise Valley. Comment
  CAS-BOT-BC225038  Sibbaldia procumbens Bruce Bartholomew 1991-8-6 6080 Modoc N Emerson Lake, E side of Warner Mts. 2370 Comment
  CAS-BOT-BC498676  Sidalcea asprella subsp. asprella Mrs. R. M. Austin; Bruce 1898-7-1 22064 Modoc Lake shore Comment
  RSA165549  Sidalcea hendersonii Clare B. Hardham 1961-6-19 7853 Modoc Willow Creek. 1524 Comment
  UCR131813  Sidalcea malviflora George Willet 1935-6-14 s.n. Modoc 6 mi east of Likely 1524 Comment
  HSC16024  Sidalcea oregana M. T. Milligan 1966-7-3 525 Modoc Slopes and ridges E of Jess Valley 1829 Comment
  CAS-BOT-BC179063  Sidalcea oregana subsp. oregana K. Paulson; Robert Paulson 1988-6-19 51 Modoc E of Happy Camp Guard Station. 1554 Comment
  CAS-BOT-BC179080  Sidalcea oregana subsp. oregana Amos Arthur Heller 1938-6-24 15227 Modoc Between Alturas and Canby. 1219 Comment
  CAS-BOT-BC179084  Sidalcea oregana subsp. oregana Elmer Ivan Applegate 1932-7-8 7565 Modoc Dry W margin of Cowhead Lake. Comment
  CAS-BOT-BC179088  Sidalcea oregana subsp. oregana Roxana Stinchfield Ferris; L. Lorraine 1941-8-14 10620 Modoc Summit of Fandango Pass. 1889 Comment
  JEPS67256  Sidalcea oregana subsp. oregana Frances D. Payne 1931-6-17 166 Modoc s and e Alturas (Parker Creek); Warner Mountains, , s and e of Alturas 1584 Comment
  UC18883  Sidalcea oregana subsp. oregana Milo S. Baker 1893-7-11 Modoc Comment
  CAS-BOT-BC191147  Sidalcea oregana subsp. spicata Bruce Bartholomew; Barrett Anderson 1988-6-24 4358 Modoc 9.8 km SW of County road 1 on County Road 42, E side of the Warner Mts.. 1960 Comment
  JEPS67277  Sidalcea oregana subsp. spicata Frances D. Payne 1931-6-17 179 Modoc s and e Alturas (Parker Creek); Warner Mountains, , s and e of Alturas 1584 Comment
  SD211635  Sidalcea oregana subsp. spicata Barbara Ertter 1988-6-18 7612 Modoc West side Highway 139 just South of where it crosses railroad at junction to Clear Lake, Northeast of Dry Lake East of Lava Beds National Monument, near dry drainages 1250 Comment
  UC748249  Sidalcea oregana subsp. spicata Annie M. Alexander and Louise Kellogg 1946-7-18 5024 Modoc Benton Meadow Warner Mountains, Benton Meadow 2072 Comment
  CAS-BOT-BC498759  Silene L. S. Smith 1924-6-29 1447 Modoc Modoc Forest, Lava R.S. Comment
  JEPS50914  Silene douglasii Leland S. Smith 1918-6-22 964 Modoc Lily Lake-High Grade Modoc Forest, Lily Lake, High Grade 2042 Comment
  CAS-BOT-BC95254  Silene douglasii var. douglasii Louis Cutter Wheeler 1935-8-5 3784 Modoc Pine Creek, Warner Mts. 2316 Comment
  CAS-BOT-BC95256  Silene douglasii var. douglasii Clare Butterworth Hardham 1974-8-5 20187 Modoc Head waters of Dismal Creek, Warner Mts. 2133 Comment
  CHSC106327  Sisymbrium altissimum Lowell Ahart; John Dittes 2010-8-31 17130 Modoc On the east side of Elkins Lane, about 100 yards north of the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  CHSC106340  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
  HSC65548  Sisymbrium altissimum Thomas Wood 1979-8-8 201 Modoc 1 mi. S of Ft. Bidwell along Hwy. 1, corner house where road turns W 1372 Comment
  RSA82892  Sisymbrium altissimum J. M. Tucker 1950-7-25 1968 Modoc beside highway 139, 26.4 miles southeast of Tule Lake Comment
  UCD115502  Sisymbrium altissimum Herbert L. Mason 1947-7-10 13346 Modoc Dorris Reservoir, 2 miles east of Alturas. Comment
  CAS-BOT-BC245081  Sisyrinchium idahoense var. idahoense Bruce Bartholomew 1991-7-4 5887 Modoc S end of Higgins Flat. 1370 Comment
  SEINET3991799  Smilacina amplexicaulis Unknown 1940-5-27 6681 Modoc 15 miles NE of Alutras. 1615 Comment
  CDA34290  Solanum dulcamara L. Ahart, J. Dittes 2010-8-31 17095 Modoc On the south side of Ash Creek, on the west side of Elkins Lane, Ash Creek State Wildlife Area, 4215 feet north of Lassen County Line, about 4.3 miles (air) west of Adin, and about 7.7 miles (air) northeast of Bieber, Big Valley. Comment
  CAS-BOT-BC245431  Solanum physalifolium var. nitidibaccatum John Thomas Howell 1934-7-2 12365 Modoc W side of Clear Lake. Comment
  CAS-BOT-BC245429  Solanum triflorum E. S. Willits 1939-10-27 173 Modoc School grounds, Willow Ranch. Comment
  CHSC100518  Solanum triflorum Lowell Ahart; John Dittes 2008-8-26 15339 Modoc Southeast side of Rose Creek, 700 feet southwest of confluence of Rose Creek and Pit River, on the northwest side of unnamed road, northeast of wire gate, 2710 feet east of intersection with County Road 85a, 9.3 miles (air) north-northeast of Lookout. 1276 Comment
  JEPS12115  Solanum triflorum Frank W. Peirson 1926-6-25 6878 Modoc Warner Mountains, Cedarville Road, 1 1/2 mi e of summit Cedarville Road; Warner Mountains, Cedarville Road Comment
  POM228874  Solanum triflorum Louis C. Wheeler 1935-9-22 3995 Modoc Pit River at Rattlesnake Butte. Warm Springs Valley. 1341 Comment
  UC71564 Image available Solidago lepida var. salebrosa Mrs. M. H. Manning August 1903 247 Modoc near Fort Bidwell (north-eastern Modoc County) Comment
  UCR57504  Solidago occidentalis R. D. Goeden, Don W. Ricker 1989-8-22 890822- 12 Modoc East of Likely on Jess Valley Rd. Beside S fork of Pit River 1421 Comment
  CAS-BOT-BC158919  Sorbus scopulina B. Bartholomew 1991-10-13 6116 Modoc Above Lily Lake on road to Dismal Swamp, W side of Warner Mts. 2010 Comment
  CAS-BOT-BC242255  Sparganium emersum Verne Grant; I. Schneider 1947-7-22 8137 Modoc North Fork of Pit River by State Quarantine Station. Comment
  CHSC116089  Sparganium emersum Lowell Ahart; John Dittes 2015-7-15 20347 Modoc On the east side of Elkins Lane, about 100 yards northeast of the Parking Area, northwest of the old barn, Ash Creek State Wildlife Area, about 3.9 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  JEPS32229  Sparganium emersum var. emersum W. L. Jepson 1918-8-12 7949 Modoc Jess Valley 1584 Comment
  JEPS32231  Sparganium emersum var. emersum Mrs. M. H. Manning Jun 1903 434 Modoc ne Modoc County Comment
  UC673575  Spiranthes romanzoffiana F. H. Frost 1925-7-24 131 Modoc Jess Valley Warner Mts. Comment
  JEPS63088  Stachys ajugoides var. rigida Leland S. Smith July 1918 1062 Modoc Jess Valley Warner Mts. Comment
  CAS-BOT-BC179204  Stachys pilosa B. Bartholomew; Barrett Anderson 1988-7-21 4428 Modoc Whipple Spring, E side of Whitehorse Flat Reservoir. 1340 Comment
  CAS-BOT-BC179208  Stachys pilosa Verne Grant; I. Schneider 1947-7-22 8146 Modoc N Fork of Pit River, about 1 mi. N of Surprise Station on Hwy. 395. Comment
  CAS-BOT-BC95292  Stellaria longipes var. longipes Bruce Bartholomew; Barrett Anderson 1990-7-21 5587 Modoc Homestead Flat, ca. 2.5 km E of Patterson Ranger Station, E side of Warner Mts. 2160 Comment
  CAS-BOT-BC95298  Stellaria longipes var. longipes Bruce Bartholomew 1991-10-13 6118 Modoc Stream just above Cave Lake, W side of Warner Mts. 1990 Comment
  UC465529  Stellaria longipes var. longipes Milo S. Baker 1893-6-28 Modoc Comment
  CAS-BOT-BC95301  Stellaria umbellata Bruce Bartholomew 1991-8-5 6034 Modoc Squaw Peak Trail on N side of Squaw Peak, E side of Warner Mts. 2420 Comment
  SEINET188113  Stenotus acaulis C. L. Hitchcock 1940-5-27 6668 Modoc 15 miles NE of Alturas 1615 Comment
  SEINET10674650  Stenotus acaulis Charles L. Hitchcock 1940-5-27 Hitchcock 6668 Modoc 15 miles northeast of Alturas. On sagebrush knoll. 5300 ft. 1615 Comment
  CHSC109448  Stipa thurberiana L. P. Janeway; B. Castro 2012-7-28 11038 Modoc Warner Mountains. At Obsidian Needles Obsidian Collecting Area; along Road 45N34 overlooking North Fork Davis Creek about 6.0 air km east-northeast of the community of Davis Creek (on Hwy 395). 1905 Comment
  HSC9869  Stipa thurberiana Thomas W. Stark 1967-7-16 85 Modoc 2 mi. S of Lava Beds Natl. Monument, 10 mi. W of the town of Perez 915 Comment
  SEINET195670  Streptanthus cordatus Annie M. Alexander, L Kellogg 1946-6-7 4995 Modoc 15 mi E of Cedarville 1753 Comment
  JEPS27076  Streptanthus cordatus Frances D. Payne 1931-6-21 223 Modoc e exposure at base of cliffs on ridge west of Dry Creek (tributary of Parker Creek) (s and e of Alturas); Warner Mountains 1981 Comment
  JEPS27077  Streptanthus cordatus Frances D. Payne 1933-8-6 777 Modoc s slope above lake margin (2 mi sw of Warren Mt, sw Modoc Co.); Pine Creek Basin 2316 Comment
  UC69638  Streptanthus cordatus Mrs. M. H. Manning June 1904 389 Modoc open mt. side Ft. Bidwell (ne Modoc Co.) 1706 Comment
  CAS-BOT-BC95060  Streptanthus cordatus var. cordatus Robert J. Weatherby 1955-7-8 1628 Modoc 6 mi. N of Ft. Bidwell, northern Warner Mts. 1645 Comment
  CAS-BOT-BC95064  Streptanthus cordatus var. cordatus Francis Marion Ownbey; Frederick Gustav Meyer 1940-7-1 2135 Modoc Cedar Pass, Warner Mts. Comment
  CAS-BOT-BC95066  Streptanthus cordatus var. cordatus Bruce Bartholomew 1990-6-17 5342 Modoc W side of Fandango Pass near the summit, Warner Mountains. Comment
  CAS-BOT-BC95070  Streptanthus cordatus var. cordatus Annie Montague Alexander; L. Kellogg 1946-6-7 4995 Modoc 15 mi. E of Cedarville. 1752 Comment
  UC429277  Streptopus amplexifolius var. americanus Franklin P. Nutting 1894-8-15 Modoc Taylor Creek Comment
  UCD138351  Stuckenia pectinata Verne Grant; Irving Schneider 1947-7-19 8085 Modoc south of Williams Ranch House, north of Likely. Comment
  CAS-BOT-BC95575  Suaeda calceoliformis Thomas C. Fuller 1964-10-8 12696 Modoc N side of levee road across S end of Goose Lake, ca. 5 mi. W of Davis Creek. Comment
  CDA19012  Suaeda calceoliformis Smith 2000-8-3 PDR 1151602 Modoc Modoc Plateau; Vicinity of Alturas. 0 Comment
  CAS-BOT-BC180098  Swertia albicaulis var. albicaulis Margaret J. Williams; et al 1988-5-28 88- 19 -4 Modoc Hwy 395, intersection with Davis Creek road. Comment
  CAS-BOT-BC180100  Swertia albicaulis var. albicaulis James Vale; et al 1981-5-23 4129 Modoc 2 mi. W of Lookout. Comment
  CAS-BOT-BC180104  Swertia albicaulis var. albicaulis Roxana Stinchfield Ferris; R. Duthie 1919-7-14 92 Modoc Above Parker Creek. Comment
  CAS-BOT-BC180108  Swertia albicaulis var. albicaulis Elmer Ivan Applegate 1897-5-31 327 B Modoc Dry Lake. Comment
  CAS-BOT-BC180088  Swertia radiata B. Bartholomew; B. Anderson 1988-7-22 4518 Modoc NE side of Patterson Meadow, southern end of the Warner Mountains 2180 Comment
  HSC8428  Swertia radiata M. T. Milligan 1967-7-8 661 Modoc W slope of Eagle Peak 2439 Comment
  CAS-BOT-BC95181  Symphoricarpos longiflorus Annie Montague Alexander; L. Kellogg 1946-6-18 4805 Modoc Base of lava bluff facing Lower Lake. Comment
  CAS-BOT-BC95183  Symphoricarpos rotundifolius var. rotundifolius A. D. Borden 1911-8-9 Modoc Mall place S side of Shields Creek. Comment
  JEPS22820  Symphoricarpos rotundifolius var. rotundifolius Mrs. R. M. Austin Aug 1894 Modoc Lassen Creek Comment
  UC1191852  Symphoricarpos rotundifolius var. rotundifolius Herbert L. Mason 1948-7-18 13619 Modoc Cedar Pass; Warner Mountains 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
  UC190694  Symphoricarpos rotundifolius var. rotundifolius M. F. Gilman 641 Modoc mountains 1828 Comment
  CAS-BOT-BC5519  Symphoricarpos vaccinioides Mrs. R. M. Austin 1887-1-1 s.n. Modoc unspecified Comment
  UCD136513  Symphyotrichum ascendens John C. Hays 1946-10-4 s.n. Modoc Alturas. Comment
  JEPS40835  Symphyotrichum bracteolatum L. S. Smith 1919-8-18 1134 Modoc Ash Valley Comment
  UC748365  Symphyotrichum foliaceum Annie M. Alexander and Louise Kellogg 1946-7-12 4987 Modoc Twelve Mile Creek, ne corner of county Twelve Mile Creek Comment
  CAS-BOT-BC15157  Symphyotrichum frondosum Leland S. Smith 1922-10-22 1338 Modoc Along shore of Clear Lake 1341 Comment
  UC86960  Symphyotrichum frondosum Mrs. R. M. Austin 1885-6-1 Modoc Goose Lake Valley 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
  UC1192204  Symphyotrichum spathulatum Verne Grant and Irving Schneider 1947-7-20 8093 Modoc s of Alturas ((Jones Lane by first bridge w of Highway 395)) Comment
  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
  POM261275  Synthyris missurica C. Leo Hitchcock 1940-5-27 6716 Modoc 15 miles NE of Alturas. 1982 Comment
  RSA152688  Taeniatherum caput-medusae I. L. Wiggins, Dorothy Wiggins 1961-6-12 16376 Modoc At junction of Cedar Pass road with California Highway 299, 5.5 miles N of Alturas. Comment
  UCD86103  Taeniatherum caput-medusae Beecher Crampton; with Carl W. Rimbey 1954-7-6 2089 Modoc Porter Ranch, 8 miles east of Alturas. Comment
  UCD86205  Taeniatherum caput-medusae L. Whitney 1935-7-20 3543 Modoc meadow near Canby. Comment
  CAS-BOT-BC54228  Tetradymia canescens Annie Montague Alexander; L. Kellogg 1946-7-7 4940 Modoc Eight Mile Creek, NE corner of county 1752 Comment
  CAS-BOT-BC54237  Tetradymia canescens John Thomas Howell 1934-7-1 12330 Modoc Duncan Horse Camp. 1355 Comment
  JEPS5951  Tetradymia canescens Frances D. Payne 1932-8-1 756 Modoc s and e Alturas; Warner Mountains, Parker 1828 Comment
  UC91586  Tetradymia canescens Mrs. R. M. Austin Sept 1894 265 Modoc near Alturas Comment
  UC449665  Tetradymia canescens M. F. Gilman 618 Modoc mountains 1981 Comment
  CAS-BOT-BC217129  Thalictrum fendleri Elmer Ivan Applegate 1932-8-7 8244 Modoc Lily Lake, Bidwell Pass, Warner Mts. Comment
  CAS-BOT-BC217173  Thalictrum fendleri Elmer Ivan Applegate 1932-8-2 8079 Modoc Mill Creek Meadow, W slope of Warner Mts. Comment
  NY496039  Thalictrum fendleri K. Paulson 1989-6-21 146 Modoc Pine Creek Basin, west side of the Warner Mountains 2109.2 Comment
  POM100476  Thalictrum polycarpum R. M. Austin 1895-07 552 Modoc Willow Creek (Devils Garden) Comment
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Jul 11 2010
  HSC1958  Thalictrum sparsiflorum M. T. Milligan 1966-7-27 588 Modoc E of Jess Valley 1646 Comment
  CAS-BOT-BC95074  Thelypodium flexuosum Bruce Bartholomew 1991-5-24 5696 Modoc Surprise Valley, 5.1 km E of Eagleville. 1370 Comment
  CAS-BOT-BC95076  Thelypodium milleflorum Bruce Bartholomew 1993-6-13 6632 Modoc Near Fortynine Creek, E of Cedarville on E side of Surprise Valley. 1400 Comment
  CAS-BOT-BC181793  Thermopsis californica var. argentata Bruce Bartholomew; Barrett Anderson 1989-6-3 4902 Modoc ca. 5 km NW of Egg Lake and ca. 0.8 km W of Service Flat Gulch. 1370 Comment
  HSC28502  Thermopsis californica var. argentata D. H. Norris, S. Dowty, T. Nelson 1971-6-23 19491 Modoc Big Valley Summit, 6 mi. W of Adin on Hwy. 299 Comment
  CAS-BOT-BC95085  Thlaspi arvense E. S. Willits 1940-5-17 269 Modoc Willow Ranch. Comment
  UC175867  Thlaspi arvense J. L. Chace Aug. 1913 Modoc Adin Comment
  CHSC112865  Toxicoscordion paniculatum L. P. Janeway; B. Castro 2014-6-2 11287 Modoc Great Basin. Along County Road 5 1.0 km west of the southwest corner of Cow Head Lake. 1627 Comment
  CAS-BOT-BC179200  Trichostema oblongum M. Vasey 1990-6-30 9030 Modoc Near Lava Camp (road end), Egg Lake. 1300 Comment
  CHSC14071  Trichostema oblongum K. R. Stern; D. B. Joley, J. G. Geschke 1974-6-22 5824 Modoc W side of Egg Lake. 1295 Comment
  UC416711  Trichostema simulatum Milo S. Baker 1899-8-12 Modoc Forestdale Comment
  JEPS65773  Trifolium beckwithii Milo S. Baker 1893-1 Modoc Egg Lake Comment
  CAS-BOT-BC181779  Trifolium cyathiferum Bruce Bartholomew 1994-7-1 6760 Modoc 11.9 km NW of State Hwy. 299 on road to Dutch Flat. 1400 Comment
  CAS-BOT-BC181783  Trifolium cyathiferum Louis Cutter Wheeler 1935-8-1 3727 Modoc Dismal Swamp. 2225 Comment
  SEINET8263290  Trifolium cyathiferum Unknown 2006-8-4 1270 Modoc Warner Mts., Modoc National Forest, Patterson Station Campground. 2109 Comment
  NY802659  Trifolium kingii var. productum B. M. Bartholomew 1988-7-23 4582 Modoc Dismal Swamp, Warner Mountains 2180 Comment
  UC1553371  Trifolium kingii var. productum Sch/Yor/Hor/Ach 1988-7-16 1832 Modoc e slope Squaw Peak (Susanville); Warner Mtns 2560 Comment
  JEPS66051  Trifolium kingii var. productum Leland S. Smith 1917-7-18 841 Modoc w Cedarville (Soldier Creek); Warner Mtns Comment
  CAS-BOT-BC181744  Trifolium longipes Annie Montague Alexander; L. Kellogg 1946-6-26 4832 Modoc Dismal Swamp. 2255 Comment
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