Search Results — 2000 specimen records retrieved (1494 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/consortium/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC15667  Achillea millefolium Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10518 Modoc Patterson Ranger Station, East Creek drainage. 2164 Comment
  UC711830  Achillea millefolium Roxana S. Ferris and Laura Lorraine 1941-8-13 10518 Modoc Patterson Ranger Station, East Creek drainage Modoc National Forest, Warner Mts., East Creek 518 Comment
  CAS-BOT-BC242288  Achnatherum Louis Cutter Wheeler 1935-8-3 3752 Modoc Dismal Swamp. 2225 Comment
  CAS-BOT-BC242285  Achnatherum hymenoides Gordon H. True 1964-6-3 1451 Modoc Cedar Pass. 1524 Comment
  SEINET191855 Image available Achnatherum lemmonii C. L. Hitchcock 1940-5-28 6724 Modoc 15 mi N of Alturas (near Surprise) 1402 Comment
  UC1024981  Achnatherum lemmonii Leo Whitney 1935-7-6 3417 Modoc Pit River near Lookout; Pit River Comment
  UCD32688  Achnatherum lemmonii Beecher Crampton 1954-7-6 2100 Modoc Modoc County, Road 56, following Shields Creek into Warner Mountains, 22 miles east of Alturas. Comment
  UCD32699  Achnatherum lemmonii Beecher Crampton 1954-7-6 2115 Modoc Modoc County, Road 56, following Shields Creek into Warner Mountains, 22 miles east of Alturas. Comment
  UCD50566  Achnatherum lemmonii L. Whitney 1935-7-7 3390 Modoc Howard Gulch, 4 miles NW of Canby. Comment
  UCD50572  Achnatherum lemmonii August L. Hormay 1932-7-16 s.n. Modoc Modoc National Forest, Crowder Ranger Station. Comment
  CAS-BOT-BC242317  Achnatherum lettermanii Bruce Bartholomew; Barrett Anderson 1988-6-23 4286 Modoc Widow Valley, 18.0 km W of Day on County Road 94. 1230 Comment
  CAS-BOT-BC242321  Achnatherum lettermanii Bruce Bartholomew; Barrett Anderson 1990-7-21 5577 Modoc Homestead Flat, ca. 2.5 km E of Patterson Ranger Station, E side of Warner Mts. 2160 Comment
  CAS-BOT-BC242315  Achnatherum occidentale subsp. californicum John Thomas Howell 1934-6-30 12273 Modoc Duncan Horse Camp. 1355 Comment
  CAS-BOT-BC242318  Achnatherum occidentale subsp. californicum Bruce Bartholomew 1990-8-5 5669 Modoc Summit Trail, ca. 3 km N of Patterson Ranger Station, W side of Warner Mts. 2440 Comment
  CHSC79429  Achnatherum occidentale subsp. pubescens Beecher Crampton 1954-7-6 2114 Modoc Road 56, following Shields Creek into Warner Mountains, 22 miles east of Alturas. Comment
  UC1031374  Achnatherum thurberianum L. D. Whitney 1935-7-2 3333 Modoc ca. 17 mi nw Canby (Badger Wells); Badger Wells Comment
  CHSC111102  Acmispon americanus var. americanus Lowell Ahart; John Dittes 2010-7-12 18354 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
  UC748227  Aconitum columbianum Annie M. Alexander and Louise Kellogg 1946-7-29 5082 Modoc s. slope Emerson Peak; Warner Mts., Emerson Peak 2438 Comment
  UC8824  Aconitum columbianum Milo S. Baker 1893-6 Modoc Comment
  CAS-BOT-BC218320  Actaea rubra Bruce Bartholomew 1989-8-13 5147 Modoc Ambose Canyon at Lassen County boundary. 1800 Comment
  CHSC85405  Actaea rubra John Dittes; Josephine Guardino 1991-8-24 457 Modoc Modoc Plateau; Warner Mountains; west slope, ca. 8.2 air-miles east of Goose Lake, ca. 2.3 air-miles south of Dismal Swamp, ca. 1.6 air-mile west of Bidwell Mtn.; tributary of Bidwell Creek west of Highgrade Road. 2087 Comment
  RSA504849  Adenocaulon bicolor Bruce Bartholomew, B. Anderson 1988-7-21 4441 Modoc Above Upper Rush Creek Campground ca. 4 km. E of State Highway 299 between Adin and Canby. 1580 Comment
  CAS-BOT-BC218324  Adonis aestivalis E. Hawver 1926-6-1 s.n. Modoc Near Canby. Comment
  CDA42846  Adonis aestivalis L. Ahart, John Dittes 2011-6-21 17514 Modoc About 150 yards west of the fence, south edge of the meadow, Ash Creek State Wildlife Area, about 2,300 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley. Comment
  CHSC107336  Adonis aestivalis Lowell Ahart; John Dittes 2011-6-21 17514 Modoc About 150 yards west of the fence, south edge of the meadow, Ash Creek State Wildlife Area, about 2,300 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  JEPS124359  Adonis aestivalis Lowell Ahart, John Dittes 2015-7-16 20383 Modoc Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. Comment
  UC26073  Agastache parvifolia Milo S. Baker 1893-6 Modoc Egg Lake Shore; on Egg Lake Shore Comment
  CAS-BOT-BC179877  Agastache urticifolia Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10535 Modoc Patterson Ranger Station (East Creek drainage). 2164 Comment
  CHSC27649  Agastache urticifolia J. D. Prouty 1978-7-29 37 Modoc On trail from Pine Creek Valley to Warren Peak, Warner Wilderness and Warner Mtns. Comment
  UCLA72420  Agastache urticifolia Frances D. Payne 1932-6-26 607 Modoc Parker Creek 1828 Comment
  CAS-BOT-BC15647  Ageratina occidentalis Frederick H. Frost 1925-7-20 91 Modoc Cedar Camp, 2 mi. above Cedarville. Comment
  HSC5641  Ageratina occidentalis M. S. Baker Aug 1897 158 Modoc N Side of Egg Lake Comment
  UCR34708  Agoseris J. A. Harpel 1981-8-6 V- 37 Modoc Warner Mtns, South Warner Wilderness Area: E end of Patterson Lake, 7 mi NW of Eagleville 2744 Comment
  CAS-BOT-BC21368  Agoseris aurantiaca var. aurantiaca K. Paulson; Robert Paulson 1989-7-14 178 Modoc Vicinity of Little Lily Lake, ca. 2.5 mi. S of the Oregon border, N end of Warner Mts. 2171 Comment
  CAS-BOT-BC515962  Agoseris glauca L. S. Smith 1920-5-18 1146 A Modoc Sear's Homestead 1676 Comment
  SEINET2029689 Image available Agoseris glauca var. laciniata C. L. Hitchcock 1940-5-27 6707 Modoc 15 miles northeast of Alturas 1676 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-BC126785  Agoseris parviflora C. L. Hitchcock 1940-5-27 6707 Modoc 15 mi. northeast of Alturas 1676 Comment
  CAS-BOT-BC126787  Agoseris parviflora B. Bartholomew 1991-8-5 6051 Modoc Summit Trail between Squaw Peak and [Cottenwood] Cottonwood Lake, crest of the Warner Mts. 2470 Comment
  CAS-BOT-BC126788  Agoseris parviflora E. H. Steffen 1917-6-11 45 Modoc Jess Valley 1524 Comment
  RSA218776  Agropyron desertorum R. F. Thorne, James Henrickson, C. W. Tilforth 1969-9-4 39089 Modoc Pit River, N of Alturas 1341 Comment
  UC1137065  Agrostis alba August L. Hormay 1932-6-15 Modoc Pease Cabin Modoc National Forest Comment
  CAS-BOT-BC127422  Agrostis exarata B. Bartholomew 1989-8-11 5073 A Modoc Along Lassen Creek near southeast side of Harris Flat, Warner Mountains. 1920 Comment
  JEPS119855  Agrostis exarata Lowell Ahart, John Dittes 2012-7-11 18347 Modoc About 1/2 mile southeast of the Pilot Butte Parking Lot, north edge of Ash Creek floodplain, about 1.5 miles (air) south of Country Road 87, about 7.5 miles (air) west of Adin, about 10.2 miles (air) east of Lookout, Big Valley. Comment
  SJSU9610  Agrostis exarata W. Savage 1979-7-6 1387 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  UCD52303  Agrostis exarata L. Whitney 1935-6-29 s.n. Modoc edge of Hackamore Reservoir. Comment
  UCD52346  Agrostis exarata August L. Hormay 1932-7-15 s.n. Modoc Pease Cabin, Modoc National Forest. Comment
  UCD52381  Agrostis exarata August L. Hormay 1932-7-15 s.n. Modoc Modoc National Forest, Crowder Ranger Station. Comment
  CAS-BOT-BC139099  Agrostis pallens John Thomas Howell 1934-7-3 12377 Modoc 5 miles south of Hackamore. Comment
  CAS-BOT-BC242422  Agrostis pallens Leland S. Smith 1917-7-24 108 Modoc Joseph Creek. 1889 Comment
  UCD53442  Agrostis scabra Beecher Crampton; Carl Rimbey 1954-7-8 2170 Modoc Peat Meadow, floor of Joss Valley, Warner Mountains, 15 miles east of Likely. Comment
  JEPS114869  Agrostis stolonifera Lowell Ahart, John Dittes 2008-8-25 15284 Modoc W bank of the Pit River, about 1/8 mi E of County Road 91, about 3.8 mi (air) N-NE of Lookout 1273 Comment
  UCD53491  Agrostis stolonifera L. D. Whitney 1935-7-20 s.n. Modoc Pit River, Alturas. Comment
  RSA531345  Aliciella lottiae Bruce Bartholomew, B. Anderson 1989-6-2 4837 Modoc 6.4 km E of Eagleville on the road to the California state border, E side of Surprise Valley. 1550 Comment
  CAS-BOT-BC245220  Alisma gramineum Herbert Louis Mason 1955-8-13 14653 B Modoc SW side of Goose Lake. Comment
  POM313033  Alisma gramineum H. L. Mason 1955-8-13 14653 -B Modoc Southwest side of Goose Lake Comment
  UC554  Alisma plantago-aquatica Mrs. C. C. Bruce Aug 1898 2232 Modoc Goose Lake Comment
  CHSC111095  Alisma triviale Lowell Ahart; John Dittes 2012-7-12 18372 Modoc North edge of Ash Creek, south of the gravil pit, about 1/8 miles east of the parking area on the east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  CHSC112839  Alisma triviale Lowell Ahart; John Dittes 2013-7-24 18923 Modoc Around a man made pond, north side of Ash Creek Floodplain, 0.54 mile (air) southeast of Pilot Butte Parking Area, 1.1 miles (air) south of County Road 87, 6.8 miles (air) west of Adin, Big Valley. 1263 Comment
  POM313035  Alisma triviale H. L. Mason 1955-8-13 14653 C Modoc S end of Goose Lake. Comment
  CAS-BOT-BC245015  Allium acuminatum John Thomas Howell 1934-6-11 11956 Modoc Parker Creek. 1584 Comment
  CAS-BOT-BC245018  Allium acuminatum Alice Eastwood; John Thomas Howell 1940-6-1 8012 Modoc 6 mi. NE of Adin on road to Canby. Comment
  CAS-BOT-BC245021  Allium acuminatum John Thomas Howell 1934-6-11 11956 Modoc Parker Creek. 1584 Comment
  HSC26581  Allium acuminatum D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19381 Modoc Along the S Fork of the Pit River, ~6 mi. E of Likely. Comment
  RSA70206  Allium acuminatum F. W. Peirson 1926-6-25 6874 Modoc Summit of grade, Cedarville Pass, Warner Mountains. Comment
  UC1036050  Allium acuminatum Annie M. Alexander and Louise Kellogg 1946-6-12 4737 Modoc w side, Fandango Pass road Fandango Pass road 1706 Comment
  SEINET8111980  Allium acuminatum M. J. Williams 1984-1 Modoc Comment
  CAS-BOT-BC244993  Allium bisceptrum var. bisceptrum Bruce Bartholomew 1991-8-6 6091 Modoc S Emerson Trail at stream between S Fork of Emerson Creek and Bearcamp Trail, Warner Mts. 2130 Comment
  SEINET12048095  Allium campanulatum Unknown 1945-1 s.n. Modoc grown at Pullman, WA, Cedar Pass to Cedar Peak, Warner Mts Comment
  SJSU9927  Allium lemmonii H. L. Buckalew 1961-6-24 Modoc Stough (""Stowe"") Reservoir c. 1 mi N of Cedar Pass onAlturas-Cedarville Rd Comment
  CHSC75559  Allium parvum V. H. Oswald; B. Corbin, A. Sanger, G. Schoolcraft 1999-6-12 9766 Modoc Soldier Creek Canyon adjacent to USFS 43N57 in the Warner Mtns. Northeast of Stough Reservoir Campground, north side of Hwy. 299, east side of Cedar Pass. 2072 Comment
  CAS-BOT-BC244963  Allium platycaule M. M. Hanna 1956-6-3 940 Modoc Cedar Pass. Comment
  CAS-BOT-BC244970  Allium platycaule Harry Dwight Dillon Ripley; Rupert Charles Barneby 1944-5-31 5994 Modoc NW of Alturas. 1371 Comment
  CAS-BOT-BC244974  Allium platycaule Margaret J. Williams 1984-6-28 84- 69 -1 Modoc End of Soldier Creek. 2072 Comment
  UC593513  Allium platycaule E. B. Babcock, G. L. Stebbins Jr. 1936-6-9 1798 Modoc hill above Lake City 1515 Comment
  UC843416  Allium platycaule C. L. Hitchcock 1940-5-27 6667 Modoc 15 mi ne Alturas 1615 Comment
  JEPS13888  Allium platycaule Rimo Bacigalupi with L. R. Heckard, R. D. Sanderson, and G. Bacigalupi 1952-6-18 3747 Modoc about 200 ft above and s Cedar Pass; Warner Mountains 1981 Comment
  SEINET3878901  Allium platycaule Margaret J. Williams 1984-6-28 84- 69 -1 Modoc End of Soldier Creek road.; 0 2073 Comment
  UC725720  Allium platycaule A. A. Heller 1941-6-25 16207 Modoc Cedar Pass 1935 Comment
  CAS-BOT-BC244949  Allium validum Bruce Bartholomew; Barrett Anderson 1988-7-23 4585 Modoc Vicinity of Blue Bell Mine between Lily Lake and Dismal Swamp, Warner Mts.. 2170 Comment
  UC1093653  Allophyllum integrifolium Herbert L. Mason 1957-7-6 14719 Modoc Warner Mts., Mill Creek Comment
  HSC8874  Alopecurus aequalis M. T. Milligan 1966-6-30 510 Modoc Slopes and ridges E of Jess Valley 1768 Comment
  JEPS101211  Alopecurus aequalis Dean Wm. Taylor with Glenn L. Clifton 1989-8-5 10476 Modoc Warner Mountains, North Emerson Lake margin Comment
  JEPS68428  Alopecurus aequalis Leland S. Smith 1918-6-22 942 Modoc Willow Creek below ranger station Willow Creek 1676 Comment
  JEPS73947  Alopecurus aequalis Frances D. Payne 1932-7-18 698 Modoc s. & e. of Alturas (Parker Creek); Warner Mts., Parker Creek 1584 Comment
  RSA26257  Alopecurus aequalis Alice Eastwood, J. T. Howell 1940-6-12 8088 a Modoc Jess Valley Comment
  RSA603009  Alopecurus aequalis L. C. Wheeler 1935-10-6 4026 Modoc Lily Lake. Pine Creek, Warner Mts. 2073 Comment
  UC1254974  Alopecurus aequalis Alice Eastwood and John Thomas Howell 1940-6-12 8088 a Modoc Jess Valley Comment
  CAS-BOT-BC242335  Alopecurus geniculatus Bruce Bartholomew 1990-6-17 5307 Modoc Vicinity of Emerson Camp near roadhead, E side of Warner Mts. 1750 Comment
  CAS-BOT-BC242337  Alopecurus geniculatus James D. Jokerst 1983-7-27 1906 Modoc Near Signal Butte. 1340 Comment
  CAS-BOT-BC242338  Alopecurus geniculatus Leland S. Smith 1924-6-21 1423 Modoc Curtis Waterhole. Comment
  CHSC99775  Alopecurus geniculatus Lowell Ahart; John Dittes 2008-6-21 14997 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) northeast of the Headquarters at Ash Creek State Wildlife Area, about 5.4 miles (air) northeast of Bieber. 1255 Comment
  UCD55890  Alopecurus geniculatus A. L. Hormay 1941-6-23 36 Modoc Modoc National Forest, Spaulding Reservoir. Comment
  CAS-BOT-BC498761  Alopecurus geniculatus L. S. Smith 1924-6-21 1423 Modoc Modoc Forest Comment
  UCD77320  Alyssum simplex Robert E. Preston 2000-6-1 1356 Modoc Modoc Plateau, along Hwy 139, ca. 2 mi e of Forest Service Road 44N11, T42N R8E nw 1/4 Section 3 1493 Comment
  CAS-BOT-BC21494  Amaranthus blitoides Bruce Bartholomew; Barrett Anderson 1990-7-21 5555 Modoc W edge of Middle Alkali Lake, directly E of Cedarville, Surprise Valley. 1370 Comment
  CDA13478  Amaranthus powellii G. F. Hrusa, T. D. Wilfred 1996-7-21 13325 Modoc Modoc Plateau; Adjacent to Pit River at Modoc Co. Rd. 90 bridge. E base of Splawn Mtn. N end of Big Valley. Comment
  CDA34231  Amaranthus powellii L. Ahart, J. Dittes 2010-8-31 17107 Modoc On the west side of Elkins Lane, about 100 yards north of the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. Comment
  CHSC115592  Amaranthus powellii Lowell Ahart; John Dittes 2015-7-16 20382 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
  CHSC99903  Amaranthus powellii Lowell Ahart; John Dittes 2008-8-25 15290 Modoc On the west bank of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout. 1273 Comment
  UCD97543  Amaranthus powellii Herbert L. Mason; Verne Grant 1947-7-10 13343 Modoc Dorris Reservoir, 2 miles east of Alturas. Comment
  NY849711  Amelanchier alnifolia var. alnifolia C. L. Hitchcock 1940-5-27 6701 Modoc 15 miles northeast of Alturas 1676 Comment
  HSC18538  Amelanchier alnifolia var. semiintegrifolia M. T. Milligan 1967-6-15 656 Modoc E of Jess Valley 1707 Comment
  RSA260414  Amelanchier pallida C. Leo Hitchcock 1940-5-27 6701 Modoc 15 miles NE of Alturas. 1677 Comment
  RSA504634  Amelanchier pumila Bruce Bartholomew 1988-6-24 4315 Modoc Cave Lake, W side of the Warner Mountains. 2130 Comment
  CAS-BOT-BC214626  Amelanchier utahensis Roxana Stinchfield Ferris; R. Duthie 1919-6-14 77 Modoc Parker Creek, near Modoc Nat. Forest Boundary. Comment
  CAS-BOT-BC217082  Amelanchier utahensis A. D. Borden 1911-5-20 s.n. Modoc Sugar Hill, Modoc Forest Comment
  CAS-BOT-BC217091  Amelanchier utahensis Bruce Bartholomew; Mona Bourell 1990-4-28 5207 Modoc 6.3 km SE of Rush Creek on road to Hunters Ridge. 1670 Comment
  JEPS114497  Amelanchier utahensis Lowell Ahart, John Dittes 2008-8-25 15326 Modoc On the east side of East Gouger Neck Road, east of the Pit River, 2.1 miles by road from County Road 91, 5.6 miles (air) northeast of Lookout 1293 Comment
  UC859121  Amelanchier utahensis C. L. Hitchcock 1940-5-27 6701 Modoc 15 mi ne Alturas 1676 Comment
  CAS-BOT-BC54195  Amsinckia menziesii Bruce Bartholomew; Barrett Anderson 1989-4-29 4697 Modoc E side of Surprise Valley, just W of the Nevada border and ca. 15 km E of Cedarville. 1500 Comment
  CHSC111105  Amsinckia menziesii Lowell Ahart; John Dittes 2012-7-12 18371 Modoc North edge of Ash creek, south of the gravel pit, about 1/8 mile east of the parking area on the ease side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  CAS-BOT-BC54164  Amsinckia tessellata var. tessellata John Thomas Howell 1934-6-16 12210 Modoc Parker Creek, Warner Mountains 1584 Comment
  CAS-BOT-BC54170  Amsinckia tessellata var. tessellata John Thomas Howell 1934-6-16 12214 Modoc Parker Creek, Warner Mountains 1584 Comment
  UC134195  Anaphalis margaritacea Mrs. R. M. Austin 1894-8-1 90 Modoc springs at Sugar Loaf Hills Comment
  CAS-BOT-BC15604  Ancistrocarphus filagineus Bruce Bartholomew; Barrett Anderson 1990-7-19 5435 Modoc Sweagert Flat. 1860 Comment
  CAS-BOT-BC15608  Ancistrocarphus filagineus Bruce Bartholomew; Barrett Anderson 1989-6-2 4801 Modoc 6.4 km E of Fort Bidwell on road to Fee Reservoir, NE corner of Surprise Valley. 1460 Comment
  CHSC30587  Anemone drummondii P. V. Caldwell 1972-7-13 298 Modoc On the west slope at Patterson Lake in the Warner Mtns. Comment
  HSC80752  Anemone drummondii G. M. Riegel 1979-7-24 602 Modoc S Warner Mtns., plot 124 1829 Comment
  JEPS23489  Anemone drummondii Frances D. Payne 1931-6-29 285 Modoc e. side Mt. Warren; Warner Mts., Mt. Warren 2286 Comment
  CAS-BOT-BC15620  Antennaria argentea Bruce Bartholomew; Barrett Anderson 1988-7-22 4535 Modoc Mill Creek, Lake City Canyon, 5.5 km W of Lake City, E side of the Warner Mts.. 1860 Comment
  SEINET2040119  Antennaria argentea Annie M. Alexander, Kellogg, Louise 1946-6-17 4785 Modoc Cedar Pass road. 1770 Comment
  JEPS33959  Antennaria argentea L. S. Smith 1917-7-1 88 Modoc Granger Ranger Ste.; Warner Mts. 1676 Comment
  RSA149136  Antennaria argentea I. L. Wiggins, Dorothy Wiggins 1961-6-15 16504 Modoc 22 mi. W of Canby, along Highway 139 Comment
  CHSC66985  Antennaria dimorpha James D. Jokerst 1987-5-11 2835 Modoc Radar Survey Site S of Doublehead Mtn., S of Clear Lake Reservoir, W of dry lake, ca. 0.33 mi to end of dirt road, then ca. 200 ft. N. 1353 Comment
  HSC31345  Antennaria dimorpha D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19416 Modoc Along Hager Basin Rd. near Big Sage Reservoir. Comment
  UCD77337  Antennaria flagellaris Robert E. Preston 2000-6-1 1358 Modoc Modoc Plateau, along Hwy 139, ca. 2 mi e of Forest Service Road 44N11. 1487 Comment
  POM203063  Antennaria geyeri J. T. Howell 1934-6-30 12255 Modoc Duncan Horse Camp. Comment
  POM40362  Antennaria geyeri Mrs. R. M. Austin 1895-08 s.n. Modoc Sugar Hill, Goose lake Valley Comment
  CAS-BOT-BC15552  Antennaria luzuloides Alice Eastwood; John Thomas Howell 1940-6-11 8010 Modoc 6 mi. NE of Adin on road to Canby. Comment
  CAS-BOT-BC15590  Antennaria luzuloides Mrs. H. C. Cantelow 1940-6-1 3236 Modoc Cedar Pass. Comment
  UC1562882  Antennaria luzuloides Barbara Ertter 1988-6-18 7625 Modoc e of Tonesta 1 mi s of s jct to Lava Beds Nat'l Monument (Hwy 139 ca 50 airmi sw of Klamath Falls, a few mi n of Agric. Inspection Station); s of s jct to Lava Beds Nat'l Monument, sw of Klamath Falls 1310 Comment
  CAS-BOT-BC58684  Antennaria luzuloides Mrs. R. M. Austin 1894-6-1 s.n. Modoc Dry valley near Willow Creek Comment
  RSA164324  Antennaria rosea Clare B. Hardham 1961-6-20 7864 Modoc Pine Creek 1677 Comment
  UC748163  Antennaria rosea Annie M. Alexander and Louise Kellogg 1946-7-11 4973 Modoc w of Eight Mile Creek Comment
  JEPS117298  Anthemis cotula Lowell Ahart, John Dittes 2010-8-31 17097 Modoc Bottom of a small wash, on the east side of Elkins Lane, about 100 yards north of the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley 1267 Comment
  CHSC112047  Apera interrupta Lowell Ahart; John Dittes 2012-7-10 18324 Modoc On dry soil, along the south side of the drainage, northwest of the old homestead, Ash Creek State Wildlife Area, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  JEPS114837  Apera interrupta Lowell Ahart, John Dittes 2008-6-21 14995 Modoc On damp soil, along the edge of the dying pond, north of the large culvert, east side 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 1255 Comment
  CAS-BOT-BC15692  Apocynum androsaemifolium K. Paulson; Robert Paulson 1989-7-2 167 Modoc N side of the Pit River ca. 3 mi. E of County Rte. 91. 1578 Comment
  UC22911  Apocynum androsaemifolium Mrs. R. M. Austin Aug. 1894 Modoc Lassen Creek Comment
  SDSU2588  Apocynum androsaemifolium D. F. Howe 1964-8-3 3928 Modoc 34.5 miles north of Alturas on #395. 1402 Comment
  POM130514  Apocynum androsaemifolium subsp. pumilum Milo S. Baker 1893-07 s.n. Modoc Hillside, red soil Comment
  CHSC70470  Apocynum cannabinum A. Sanger 1997-7-8 2552 Modoc Boles Creek Crossing of Co. Rd. 136. 1408 Comment
  UC202472  Aquilegia formosa I. Tidestrom 1910-6-25 3613 Modoc Sibley Draw Comment
  UC9011  Aquilegia formosa Milo S. Baker 1893-6-29 Modoc Comment
  CAS-BOT-BC218342  Aquilegia formosa var. formosa K. Paulson; Robert Paulson 1988-6-29 66 Modoc N of Benton Meadow along Davis Creek, Warner Mts.. 1828 Comment
  CAS-BOT-BC218339  Aquilegia formosa var. formosa Leland S. Smith 1917-7-29 126 Modoc Mts. Cedarville Pass & North. 1828 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
  NY112499  Arabis holboellii var. pinetorum B. M. Bartholomew 1988-5-13 4178 Modoc Juniper Flats, 10 km E of Likely on road to Jess Valley, W side of Warner Mtns. 1450 Comment
  HSC25993  Arabis holboellii var. retrofracta D. H. Norris, T. Nelson, S. Dowty 1971-6-23 19469 Modoc Upper Rush Creek Campground, about 8 mi. N of Adin on Hwy. 299 Comment
  HSC40068  Arabis lemmonii J. P. Smith, J. O. Sawyer 1973-8-8 7216 Modoc Near summit of Eagle Peak 2988 Comment
  CAS-BOT-BC58566  Arabis platysperma var. platysperma Elmer Ivan Applegate 1932-8-3 8117 Modoc High western slope of Warner Mts. N of Eagle Peak. Comment
  NY119623  Arabis sparsiflora var. subvillosa R. C. Rollins 1981-6-1 81187 Modoc Near Cedar Pass, between Cedarville and Alturas Comment
  CAS-BOT-BC95647  Arctostaphylos nevadensis A. D. Borden 1911-6-15 Modoc S slope Middle Fork Davis Creek. Comment
  CAS-BOT-BC95650  Arctostaphylos patula Leland S. Smith 1925-7-1 1503 Modoc Happy Camp Mt. 1828 Comment
  RSA531334  Arenaria aculeata Bruce Bartholomew 1990-6-15 5245 Modoc Top of Manzanita Mountain in vicinity of Manzanita Lookout. 2130 Comment
  UC748049  Arenaria congesta var. congesta Annie M. Alexander and Louise Kellogg 1946-7-7 4925 Modoc Eight Mile Creek 1752 Comment
  POM203065  Arenaria congesta var. simulans J. T. Howell 1934-6-30 12288 Modoc Duncan Horse Camp. Comment
  SEINET7595863 Image available Aristida oligantha Louis C. Wheeler 1935-1 3959 Modoc Fletcher Creek at Pease Place, Devils Garden Comment
  UC711923  Arnica chamissonis Roxana S. Ferris and Laura Lorraine 1941-8-13 10570 Modoc 1 mi e Patterson Ranger Station; Warner Mountains, Modoc National Forest Comment
  UCD149890  Arnica chamissonis Harry A. George 1967-6-15 s.n. Modoc Whitehorse Flat Reservoir. Comment
  CAS-BOT-BC15571  Arnica chamissonis subsp. foliosa Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10570 Modoc East Creek ca. 1 mi. E of Patterson Ranger Station. Comment
  CAS-BOT-BC15573  Arnica chamissonis subsp. foliosa M. Vasey 1990-6-30 9031 Modoc Near Lava Camp (road end), Egg Lake. 1300 Comment
  CAS-BOT-BC15575  Arnica chamissonis subsp. foliosa Bruce Bartholomew 1991-7-6 5977 Modoc Curtis Waterhole and adjacent lava outcrops. 1310 Comment
  CAS-BOT-BC15403  Arnica cordifolia Bruce Bartholomew; Barrett Anderson 1988-6-24 4320 Modoc Lily Lake, W side of the Warner Mts.. 2130 Comment
  CAS-BOT-BC15405  Arnica cordifolia K. Paulson; Robert Paulson 1988-6-11 25 Modoc Parker Creek Road, W side of the Warner Mts.. 1524 Comment
  CAS-BOT-BC15417  Arnica cordifolia Mrs. H. C. Cantelow 1940-6-1 s.n. Modoc Cedar Pass, Warner Mtns. at the summit. E. of Alturas Comment
  POM260005  Arnica cordifolia C. L. Hitchcock 1940-5-27 6702 Modoc 15 miles NE of Alturas. 1677 Comment
  UC1437361  Arnica cordifolia Clare B. Hardham 1961-6-18 7587 Modoc Cedar Pass; Warner Mountains 1828 Comment
  CAS-BOT-BC15284  Arnica longifolia Alice Eastwood; John Thomas Howell 1940-6-12 8075 Modoc Between Likely and Jess Valley. Comment
  CAS-BOT-BC15288  Arnica mollis Elmer Ivan Applegate 1932-7-31 7974 Modoc Mill Creek Meadow, Warner Mts. 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
  POM229876  Arnica mollis L. C. Wheeler 1935-8-14 3855 Modoc Lily Lake, Pine Creek, Warner Mts. 2134 Comment
  UCD35725  Artemisia arbuscula Beecher Crampton 1960-6-17 5688 Modoc 5 miles south of Perez, Plant Quarantine Station area. 1371 Comment
  CAS-BOT-BC15215  Artemisia arbuscula subsp. arbuscula George Henry Ward 1950-4-16 957 Modoc Foot of hills E of Goose Lake, ca. 35 mi. N of Alturas. Comment
  HSC41114  Artemisia arbuscula subsp. arbuscula Thomas W. Nelson, Jane P. Nelson, James Nelson 1976-8-29 3261 Modoc Modoc National Forest; along Hwy. 299 just N west of Adin Pass 1524 Comment
  SEINET2164565  Artemisia arbuscula subsp. arbuscula L. C. Wheeler 1935-9-9 3962 Modoc Green Spring, Devil's Garden Comment
  HSC81041  Artemisia douglasiana G. M. Riegel 1979-8-25 719 Modoc South Warner Mountains 2100 Comment
  UC75823  Artemisia douglasiana Milo S. Baker Modoc Forestdale Comment
  JEPS108113  Artemisia ludoviciana subsp. candicans Anthony B. Walters 2005-9-28 Modoc Brokenera Ranch 1 mi S of New Pine Creek on E side of Hwy 395, near pond on W base of Warner Mountains. Comment
  RSA77971  Artemisia ludoviciana subsp. incompta Verne Grant, Alva Grant 1947-7-8 8005 Modoc Cedar Pass, Warner Mountains Comment
  CAS-BOT-BC15264  Artemisia ludoviciana subsp. ludoviciana Bruce Bartholomew 1992-8-10 6401 Modoc Rush Creek just N of Round Valley on Highway 299. 1350 Comment
  CHSC105977  Artemisia ludoviciana subsp. ludoviciana Lowell Ahart; John Dittes 2010-8-30 17050 Modoc High bank of a small wash, about 10 yards west of the fence, south edge of the meadow, Ash Creek State Wildlife Area, 2300 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  JEPS89418  Artemisia ludoviciana subsp. ludoviciana Dean W. Taylor 1987-8-9 9277 Modoc Northeastern California, SE1/4 Section 19 Northeastern California; , SE1/4 Section 19 1371 Comment
  UC217079  Artemisia nova H. M. Hall 1921-9-10 11672 Modoc 24 mi s Alturas Comment
Read comments
Jul 23 2013
  UCR64882  Artemisia tridentata George K. Helmkamp 1990-9-23 H- 4 Modoc US Hwy 395, 13 mi north of Likely 1345 Comment
  CAS-BOT-BC15211  Artemisia tridentata subsp. tridentata Roxana Stinchfield Ferris; R. Duthie 1919-6-14 120 Modoc Parker Creek at Modoc National Forest boundary. Comment
  CDA13469  Artemisia tridentata subsp. tridentata G. F. Hrusa, T. D. Wilfred 1996-7-21 13316 Modoc Modoc Plateau; Pit River at Modoc Co. Rd. 90 bridge. E base of Splawn Mtn. N end of Big Valley. Comment
  CHSC67336  Artemisia tridentata subsp. tridentata James D. Jokerst 1986-9-18 2770 Modoc Radar Site Survey S of Doublehead Mtn., dry lake ca 1.5 mi S of Doublehead Mtn. 1386 Comment
  SEINET3397747  Artemisia tridentata subsp. tridentata Unknown 1994-1 s.n. Modoc Newell Comment
  JEPS127722  Asclepias fascicularis Alejandro Brambila, Michael Dolan 2016-8-25 CA 320 -177 Modoc Population is North and West of Nelson Spring in South Likely Tablelands Comment
  SEINET11262208  Asclepias fascicularis Margaret J. Williams 1985-8-13 85- 66 -1 Modoc Big Sage Reservoir. N.W. of Alturas.; 0 1524 Comment
  SEINET195716  Asclepias fascicularis Annie M. Alexander, Louise Kellogg 1946-7-7 4922 Modoc Lake Annie. Comment
  UC71609  Asclepias fascicularis Mrs. M. H. Manning August, 1904 206 Modoc canyon near Fort Bidwell (the old sawmill) Comment
  JEPS121197  Asclepias speciosa Lowell Ahart, John Dittes 2013-7-25 18955 Modoc About 30 yards S of the E-W fence, S edge of Ash Creek floodplain, NE of Patterson Homestead, E of Elkins Lane, 1.0 air mile S of County Road 87, 3.14 air miles W of Adin, Big Valley. Comment
  RSA210866  Aster eatonii R. F. Thorne, C. W. Tilforth 1969-9-4 39047 Modoc Along N Fork of Pit River, 11.8 miles N of Alturas along Highway 395. 1372 Comment
  UCR67032  Aster frondosus George K. Helmkamp 1990-9-23 J- 16 Modoc Warner Mtns, Goose Lake, within 0.1 mi of the Oregon border 1476 Comment
  POM16274  Astragalus carinatus M. S. Baker 1893-1 128 Modoc Egg Lake Comment
  CAS-BOT-BC182066  Astragalus filipes C. L. Hitchcock 1940-5-27 6650 Modoc 9 mi. NE of Alturas. 1402 Comment
  CHSC117053  Astragalus filipes Lowell Ahart; John Dittes 2016-6-6 20948 Modoc About 120 yards west of the dirt road, about 150 yards southwest of the intersection of County Road 87 and Access Road to Pilot Butte Parking Area, northeast base of Pilot Butte, 3.8 miles (air) east of Lookout, 7.5 miles (air) west of Adin, Ash Creek State Wildlife Area. 1271 Comment
  CHSC42317  Astragalus filipes A. A. Heller 1938-6-24 15226 Modoc Common at several places on roadside banks between Alturas and Canby in the Upper Sonoran Life Zone. 1219 Comment
  HSC25991  Astragalus filipes D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19507 Modoc Big Valley Summit, 6 mi. W of Adin on Hwy. 299 Comment
  CAS-BOT-BC182071  Astragalus filipes Amos Arthur Heller 1938-6-24 15226 Modoc Roadside between Canby and Alturas. 1219 Comment
  CDA26666  Astragalus filipes T. C. Fuller 1965-6-2 13593 Modoc South side of Highway 299 to Canby, 10.3 miles west of Alturas. 0 Comment
  JEPS54660  Astragalus filipes Leland S. Smith 1919-6-8 1126 Modoc Deep Creek above station (Modoc Forest); , Deep Creep above station 1676 Comment
  NY676223  Astragalus malacus B. M. Bartholomew 1993-5-10 6449 Modoc At the Nevada border directly east of Eagleville, east side of Surprise Valley 1520 Comment
  CAS-BOT-BC182048  Astragalus obscurus Bruce Bartholomew 1991-5-24 5740 Modoc Near NW side of Big Mud Lake and 2 km SW of Nevada State boundary. 1680 Comment
  CAS-BOT-BC182045  Astragalus purshii Mrs. H. C. Cantelow 1940-6-2 Modoc W of Alturas on road to Bad Lands Nat. For. Comment
  UCD105278  Astragalus purshii var. tinctus Geo. C. Wood 1940-4-25 s.n. Modoc Fleming Ranch, s.e. end of Goose Lake. 1524 Comment
  RSA0006855  Astragalus purshii var. tinctus H. D. Ripley, R. C. Barneby 1949-6-11 14 Modoc About 8 mi. N of Davis Creek, Hwy 395 - 29.6 mi. N of Alturas. Comment
  CAS-BOT-BC182009  Astragalus whitneyi var. lenophyllus R. M. Austin 1894-5-1 Modoc Low hills around Goose Lake. Comment
  RSA0017009  Astragalus whitneyi var. siskiyouensis I. L. Wiggins, Dorothy B. Wiggins 1961-6-16 16525 Modoc 6.4 mi. W of Canby. Comment
  SEINET948800  Astragalus whitneyi var. siskiyouensis Ira L. Wiggins, Dorothy B. Wiggins 1961-1 16525 Modoc Yellow Pine Forest 6.4 mi W of Canby Comment
  CAS-BOT-BC58459  Athysanus pusillus Edward Kent Balls 1950-5-12 14648 Modoc Hillsides N of Bucks Creek Ranger Station, E of Goose Lake. 1737 Comment
  CAS-BOT-BC58461  Athysanus pusillus Bruce Bartholomew; Barrett Anderson 1989-4-27 4626 Modoc Little Hot Spring Valley, 4.0 km NW of Day. 1070 Comment
  UC1494952  Athysanus pusillus Reed C. Rollins and Kathryn W. Rollins 1981-6-1 81189 Modoc Cedar Summit between Alturas and Cedarville (off Cal. Hwy. 299); Cedar Summit 1889 Comment
  CAS-BOT-BC95506  Atriplex confertifolia Bruce Bartholomew; Barrett Anderson 1989-4-29 4707 Modoc SW corner of Lower Lake, 1.8 km N of the Lassen County line, Surprise Valley. 1370 Comment
  UCD97637  Atriplex prostrata Herbert L. Mason 1947-8-9 13477 Modoc on east side of Fairchild Swamp, north of Alturas. Comment
  CAS-BOT-BC95509  Atriplex rosea Mary DeDecker 1974-10-28 3710 Modoc Just S of Alturas along Highway 395. Comment
  CAS-BOT-BC95510  Atriplex truncata Louis Cutter Wheeler 1935-9-4 3941 Modoc McGinty Point, Goose Lake. 1463 Comment
  POM229214  Atriplex truncata L. C. Wheeler 1935-9-4 3941 Modoc McGinty Point, Goose Lake. 1463 Comment
  UC1024847  Avena fatua Leo Whitney 1935-6-9 3202 Modoc near White Horse; White Horse lake (Flat) Comment
  POM119140  Azolla filiculoides C. C. Bruce 1897-10-15 2114 Modoc Pitt River Comment
  UC42327  Azolla filiculoides Mrs. R. M. Austin June, 1894 Modoc Cold Spring; Willow Creek Valley Comment
Read comments
Jul 6 2010
  UCD136022  Azolla filiculoides Herbert L. Mason 1947-8-12 13503 Modoc Junction of North and South forks of Pit River, Alturas. Comment
  CAS-BOT-BC100052  Balsamorhiza hookeri M. S. Baker; Frank Nutting June 8 s.n. Modoc near Egg Lake Comment
  UC932077  Balsamorhiza hookeri Verne Grant and Alva Grant 1947-6-5 7973 Modoc near Alturas Comment
  RSA59763  Balsamorhiza hookeri var. lagocephala E. K. Balls 1950-5-14 14690 Modoc 0.2 mi. south of boundary Modoc National Forest, trail from Alturas to Thomas Reservoir. 1524 Comment
  CAS-BOT-BC15187  Balsamorhiza hookeri var. lanata M. M. Hanna 1956-6-5 s.n. Modoc W side of Cedar Pass. Comment
  CAS-BOT-BC15192  Balsamorhiza hookeri var. lanata John H. Hatton 1911-6-9 1 Modoc Modoc National Forest 1356 Comment
  HSC27245  Balsamorhiza sagittata J. P. Smith, J. O. Sawyer 1972-5-6 5272 Modoc Along Hwy. 299, 4 mi. W of Modoc County Rd. 58, E of Alturas 1494 Comment
  RSA488573  Balsamorhiza sagittata Bruce Bartholomew, B. Anderson 1988-5-14 4193 Modoc 2 km south of turnoff to Crowder Flats West Side Road, west side of Goose Lake. 1410 Comment
  CAS-BOT-BC383142  Balsamorhiza serrata Andrew Townesmith; Karen M. Meyer 2007-9-15 929 Modoc Modoc National Forest, Warner Mountain Ranger District. Along state route 299, 10.9 miles west of junction with US route 395. At Cedar Pass 1928 Comment
  CAS-BOT-BC58670  Barbarea orthoceras Bruce Bartholomew 1994-7-2 6782 Modoc 5.0 km SE of Joseph Creek Basin on the W side of the Warner Mountains. 1930 Comment
  CAS-BOT-BC54184  Berberis aquifolium var. repens Bruce Bartholomew; Barrett Anderson 1988-5-13 4175 Modoc 0.6 km N of Jess Valley on West Warner Road, W side of the Warner Mts.. 1620 Comment
  JEPS58647  Betula glandulosa L. S. Smith 1917-7-7 127 Modoc bog below Bald Pk.; Warner Mts. 1981 Comment
  CAS-BOT-BC54193  Betula occidentalis Gregg M. Riegel 1980-7-14 881 Modoc South Warner Mountains 1463 Comment
  NY526322  Betula occidentalis B. M. Bartholomew 1993-5-10 6468 Modoc Along Emerson Creek below Emerson Campground, east side of Warner Mountains 1600 Comment
  CAS-BOT-BC497325  Betula occidentalis John Thomas Howell 1934-6-13 12095 Modoc Warner Mts., Patterson Mill Road 1676 Comment
  CHSC117263  Bidens cernua Lowell Ahart; John Dittes 2016-7-14 21152 Modoc Northwest of a new pond, south bank of Ask 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
  RSA608435  Bidens cernua L. C. Wheeler 1935-9-5 3956 Modoc Tuttle Place, west side Goose Lake 1463 Comment
  CAS-BOT-BC15147  Bidens cernua var. cernua Herbert Louis Mason; Verne Grant 1947-7-12 13431 Modoc South loop of west side road, north of Likely Comment
  HSC5199  Bidens frondosa R. C. Wunner 1965-9-1 504 Modoc Lava Beds National Monument, near NE entrance to monument by shore of Tule Lake Comment
  CAS-BOT-BC15082  Blepharipappus scaber David Daniels Keck; Jens Chr. Clausen 1935-6-24 3711 Modoc 3 mi. NE of Willow Ranch E of Goose Lake. 1550 Comment
  CAS-BOT-BC15108  Blepharipappus scaber Bruce Bartholomew; Barrett Anderson 1989-6-1 4735 Modoc ca. 0.5 km S of State Hwy 299 on road to Shaker Spring. 1420 Comment
  CAS-BOT-BC15120  Blepharipappus scaber Mrs. H. C. Cantelow 1940-5-31 3088 Modoc 3 mi E of Canby. Comment
  JEPS5982  Blepharipappus scaber Frances D. Payne 1932-6-24 600 Modoc s and e of Alturas (Parker Creek, Warner Mountains); Warner Mountains, Parker Creek 1584 Comment
  CAS-BOT-BC15076  Blepharipappus scaber Milo Samuel Baker 1936-6-16 8353 Modoc Hwy 395 between Alturas and Likely. Comment
  CAS-BOT-BC15079  Blepharipappus scaber Louis Cutter Wheeler 1935-8-6 3795 Modoc Edge of Mts. 1/4 mi. E of Pine Creek (town). 1584 Comment
  CDA19753  Blepharipappus scaber Anon. 1959-7-7 Modoc Modoc Plateau; Graven Reservoir. 0 Comment
  UC468912  Blepharipappus scaber M. F. Gilman 653 Modoc 5000 ft Comment
  UC894098  Blepharipappus scaber Milo S. Baker 1936-6-16 8353 Modoc Hwy 395 between Alturas and Likely Alturas; Hwy. 395 Comment
  UCD129600  Blepharipappus scaber Jack Major 1966-6-24 s.n. Modoc above Goose Lake, west side of Fandango Pass. 1645 Comment
  CAS-BOT-BC58644  Boechera divaricarpa Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10516 Modoc Patterson Ranger Station (East Creek drainage). 2164 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-BC95736  Boechera pauciflora Gordon H. True 1964-6-3 1433 Modoc No. Fork Pit River between Alturas & Goose Lake. 1432 Comment
  CHSC118073  Boechera pauciflora L. P. Janeway 2016-5-17 12019 Modoc Modoc Plateau. Devils Garden area; flat just below (west of) Por-cupine Rim; 0.3 km north of Road 43N18; 4.0 air-km west of Big Sage Reservoir. 1544 Comment
  CAS-BOT-BC25526  Boechera retrofracta Clare B. Hardham 1961-6-19 7591 Modoc Warner Mountains. Davis Creek. 2133 Comment
  CAS-BOT-BC58292  Boechera retrofracta Betty J. Hammerly 1941-6-20 40 Modoc Between Mill Creek Public Camp and Clear Lake. Comment
  CAS-BOT-BC25699  Boechera sparsiflora B. Bartholomew 1994-5-29 6729 Modoc Viciinity of the junction of Forest Service road 10 and the Burlington Northern Railway. 1260 Comment
  CHSC67093  Boechera sparsiflora James D. Jokerst 1987-5-11 2820 Modoc Radar Survey Site S of Doublehead Mtn., S of Clear Lake Reservoir. 1363 Comment
  UC1563904  Boechera sparsiflora Barbara Ertter 1988-6-18 7643 Modoc n of Adin (Adin Summit, on Hwy 299); Adin Summit 1584 Comment
  CAS-BOT-BC25894  Boechera subpinnatifida John Thomas Howell 1934-6-12 11989 Modoc 9 miles south of Davis Creek. 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
  CAS-BOT-BC58569  Boechera suffrutescens Annie Montague Alexander; L. Kellogg 1946-7-23 5054 Modoc Emerson Peak, Warner Mts. Comment
  RSA166296  Boisduvalia glabella Peter H. Raven, Otto T. Solbrig 1958-6-18 13332 Modoc Eastern outskirts of Lookout Comment
  CDA10548  Brickellia grandiflora T. C. Fuller 1964-10-8 12699 Modoc Levee road across the south end of Goose Lake, ca. 5 miles west of Davis Creek. 0 Comment
  CHSC70713  Brickellia microphylla A. Sanger 1997-8-27 2610 Modoc South of Hwy 299 on Cedar Pass just north of the gravel shack at the proposed Cedar Creek trailhead. 1584 Comment
  CAS-BOT-BC242401  Bromus briziformis Gordon H. True 1964-6-3 1454 Modoc N fork Pit River between Alturas and Goose Lake. 1463 Comment
  RSA180226  Bromus briziformis Clare B. Hardham 1961-6-18 7520 Modoc Cedar Pass. 1829 Comment
  CAS-BOT-BC242436  Bromus carinatus var. carinatus Bruce Bartholomew 1989-7-15 4994 Modoc Sweagert Flat. 1860 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
  JEPS69180  Bromus carinatus var. carinatus Leland S. Smith 1918-6-22 971 Modoc Modoc National Forest, Pine Creek Canyon Pine Creek Canyon; Modoc National Forest, Pine Creek Canyon 2133 Comment
  UC1024864  Bromus carinatus var. carinatus Leo Whitney 1935-5-30 3162 a Modoc 18 mi wnw of Canby (Hole-in-the-rock); Hole-in-the-rock Comment
  UC1037156  Bromus carinatus var. carinatus Leo Whitney 1935-7-7 3391 Modoc 4 mi nw of Canby (Howard Gulch); Howard Gulch Comment
  UCD59095  Bromus carinatus var. marginatus A. A. Beetle 1941-6-29 2821 Modoc 15 miles west of Alturas, road to Cedarville Pass. 1524 Comment
  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
  UCD59507  Bromus diandrus L. Whitney 1935-5-30 3160 Modoc White Horse. Comment
  JEPS69203  Bromus hordeaceus Leland S. Smith 1918-6-12 932 Modoc Modoc National Forest, Buck Creek Ranger Station Buck Creek Ranger Station; Modoc National Forest, Buck Creek Ranger Station 1676 Comment
  CHSC118824  Bromus inermis L. P. Janeway 2014-7-8 11476 Modoc Modoc Plateau. East corner of Dry Creek Rim; along Road 47N08 (Corral Creek Road) 5.1 road-km north-northwest of Road 48 (along the west edge of Goose Lake). 1759 Comment
  SJSU5110  Bromus inermis H. L. Buckalew 1961-6-29 Modoc Stowe Reservoir 1 mi N of Cedar Pass on the Alturas-Cedarville Rd, Warner Mts 1920 Comment
  JEPS119962  Bromus japonicus Lowell Ahart, John Dittes 2012-7-10 18313 Modoc Ash Creek State Wildlife Area, about 3.2 miles (air) west of Adin, about 8.4 miles (air) northeast of Bieber, Big Valley. Comment
  UCD32725  Bromus japonicus Beecher Crampton 1954-7-7 2163 Modoc Modoc County, 2.5 miles east of Alturas, near radio station KCNO. Comment
  SEINET5720387 Image available Bromus mollis Annie M. Alexander, Louise Kellogg 1946-1 4792 Modoc Silver Creek roads.; Patterson Mill 1829 Comment
  SEINET231888 Image available Bromus racemosus Unknown 1985-6-23 8599 Modoc Modoc Plateau at the western extension of the Great Basin, between Beeler and Duncan reservoirs north of Canby, near highway 139 1311 Comment
  UCD59636  Bromus rubens L. Whitney 1935-6-29 s.n. Modoc Dam--Hackamore Reservoir. Comment
  RSA603016  Bromus suksdorfii L. C. Wheeler 1935-8-3 3754 Modoc Dismal Swamp, Twenty Mile Creek, Warner Mts. 2226 Comment
  HSC9358  Bromus tectorum M. T. Milligan 1965-6-30 386 Modoc N end Jess Valley 1616 Comment
  JEPS69220  Bromus tectorum L. S. Smith 1917-7-24 145 Modoc Warner Mountains, Joseph Creek Joseph Creek; Warner Mountains, Joseph Creek 1706 Comment
  POM312334  Callitriche hermaphroditica H. L. Mason, Verne Grant 1947-7-12 13403 Modoc Irrigation ditch by Jones' Lane, off Hwy 395, several miles S of Alturas. Comment
  CAS-BOT-BC95097  Callitriche palustris Bruce Bartholomew 1995-6-3 6957 Modoc Island Meadow N of road between Goose Lake and Crowder Flat Road. 1570 Comment
  CAS-BOT-BC85788  Calocedrus decurrens A. D. Borden 1911-8-9 s.n. Modoc Buck Creek Ranger Station S. of Shields Cr. Comment
  UC401356  Calocedrus decurrens W. P. Taylor and H. C. Bryant 1910-6-25 Modoc Parker Cr. Warner Mountains, Parker Cr. 1676 Comment
  CAS-BOT-BC244932  Calochortus leichtlinii John Thomas Howell 1934-7-13 12101 Modoc N fork of Barber Creek. 1828 Comment
  UCD77254  Calochortus longebarbatus Robert E. Preston 2000-7-18 1396 Modoc Ca. 11 mi nw of Canby, along Hwy 139, 2.65 mi e of Forest Service Rd 44N11. 1490 Comment
  UC3505  Calochortus longebarbatus var. longebarbatus M. S. Baker and Frank Nutting 1894-6-29 Modoc near Lookout; Big Valley Comment
  CAS-BOT-BC242146  Calochortus macrocarpus K. Paulson; Robert Paulson 1989-7-18 192 Modoc Parker Creek Rd. 1676 Comment
  CAS-BOT-BC242150  Calochortus macrocarpus Isabelo T. Kelly 1930-1-1 8 Modoc Near Ft. Bidwell. Comment
  CAS-BOT-BC244926  Calochortus macrocarpus Bruce Bartholomew 1989-8-13 5143 Modoc Top of Manzanita Mountain. 2090 Comment
  UC1036061  Calochortus macrocarpus Annie M. Alexander and Louise Kellogg 1946-7-5 4907 Modoc w of Lower Lake; Lava Cliff Comment
  UC7766  Calyptridium monospermum Milo S. Baker 1893-6-30 Modoc Egg Lake 1371 Comment
  HSC17648  Calyptridium umbellatum M. T. Milligan 1965-7-10 420 Modoc W slope of Eagle Peak 2744 Comment
  UC748278  Calyptridium umbellatum Annie M. Alexander and Louise Kellogg 1946-6-25 4825 Modoc Dismal Swamp, at n end of Warner Mountains Dismal Swamp; Warner Mountains, Dismal Swamp 2255 Comment
  UC7767  Calyptridium umbellatum Milo S. Baker 1893-8-5 Modoc Medicine Lake 1828 Comment
  CHSC112429  Camassia leichtlinii subsp. suksdorfii Lowell Ahart; John Dittes, Todd Sloat 2013-6-8 18762 Modoc About 300 yards northeast of the Parking Area, northeast of the old barn, Ash Creek State Wildlife Area, about 3.9 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  CAS-BOT-BC242129  Camassia quamash subsp. breviflora Malcom A. Nobs; Stanley Galen [S. Galen] Smith 1949-5-29 773 Modoc 1 mi. E of Lake City. 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
  CHSC85122  Camassia quamash subsp. breviflora John Dittes; Josephine Guardino 1991-7-21 443 Modoc Modoc Plateau; Big Valley; Ash Creek Wildlife Area; ca. 5.7 air-miles northeast of Bieber, ca. 7.6 air-miles west of Adin, ca. 1.5 air-mile southeast of Pilot Butte summit; meadow at northern edge of Ash Creek Floodplain (Big Swamp) at southeast base of Pilot Butte. 1258 Comment
  JEPS61559  Camassia quamash subsp. quamash Frances D. Payne 1929-6-19 11 Modoc s and e of Alturas (Warner Mountains, Parker Creek); Warner Mountains, Parker Creek 1584 Comment
  CHSC107345  Camelina microcarpa Lowell Ahart; John Dittes 2011-6-22 17547 Modoc On the east side of the road, about 150 yards north of the Pilot Butte Parking Lot, north edge of Ash Creek Floodplain, 1.1 miles (air) south of County road 87, 7.7 miles (air) west of Adin, 10 miles (air) east of Lookout, Big Valley. 1264 Comment
  CHSC112831  Camelina microcarpa Lowell Ahart; John Dittes 2013-7-25 18951 Modoc About 100 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
  CAS-BOT-BC191121  Camissonia andina Bruce Bartholomew 1991-6-21 5817 Modoc N side of Mud Lake, 5.8 km S of Forest Service road 73 on road to Rim Rock Valley. 1570 Comment
  CAS-BOT-BC191135  Camissonia andina Peter Hamilton Raven 1963-5-29 18427 Modoc Junction of Cedarville Road with U.S. Hwy 395. Comment
  CAS-BOT-BC191137  Camissonia andina Bruce Bartholomew 1990-6-18 5386 Modoc Turner Creek at County Rd 90, N end of Big Valley, 6.4 km N of Lassen County border. 1230 Comment
  NY850417  Camissonia andina M. J. Williams 1984-7-1 84- 87 --4 Modoc Northwest of Alturas, Crowder Flat Road, near the Big Sage Reservoir 1372 Comment
  CAS-BOT-BC191118  Camissonia boothii subsp. alyssoides Bruce Bartholomew 1991-5-24 5709 Modoc Surprise Valley, E of Eagleville at the Nevada State boundary. 1520 Comment
  NY850969  Camissonia boothii subsp. alyssoides B. M. Bartholomew 1993-5-10 6451 Modoc At the Nevada border directly east of Eagleville, east side of Surprise Valley 1520 Comment
  CAS-BOT-BC191115  Camissonia claviformis subsp. cruciformis Bruce Bartholomew 1991-6-22 5852 Modoc E side of Surprise Valley, 8.3 km E of Eagleville. 1430 Comment
  CAS-BOT-BC191117  Camissonia claviformis subsp. cruciformis Bruce Bartholomew 1991-5-24 5704 Modoc Surprise Valley, 6.6 km E of Eagleville. 1390 Comment
  CAS-BOT-BC191077  Camissonia tanacetifolia subsp. tanacetifolia Mrs. H. C. Cantelow 1940-5-31 s.n. Modoc 0.8 mi. E of Canby. Comment
  CAS-BOT-BC191078  Camissonia tanacetifolia subsp. tanacetifolia John Thomas Howell 1934-6-15 12196 Modoc Dorris Reservoir. Comment
  CAS-BOT-BC58465  Capsella bursa-pastoris Bruce Bartholomew 1990-6-17 5312 Modoc Vicinity of Emerson Camp near roadhead, E side of Warner Mts. 1750 Comment
  NY119871  Cardamine breweri C. L. Hitchcock 1940-5-27 6712 Modoc 15 miles NE of Alturas 1676.4 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
  POM95593  Cardamine pensylvanica Mrs. R. M. Austin 1895-06 69 Modoc Goose Lake. Ross Canyon. Comment
  CDA42987  Cardaria pubescens L. Ahart 2008-8-25 15287 Modoc On the west bank of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout. Comment
  CDA10594  Carduus acanthoides G. Deal 1997-7-25 s.n. Modoc Tuscarora Pipe Line right-of-way near Hackamore. 0 Comment
  JEPS124311  Carduus nutans Lowell Ahart, John Dittes 2015-7-15 20341 Modoc Ash Creek State Wildlife Area about 3.9 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber Big Valley. Comment
  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
  CHSC109484  Carex abrupta L. P. Janeway; B. Castro 2012-7-25 10981 Modoc Warner Mountains. Slope along north side of Dismal Swamp. 2216 Comment
  UC1024316  Carex abrupta Annie M. Alexander and Louise Kellogg 1946-6-14 4759 Modoc Patterson Mill road, Silver Creek branch 1828 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
  UC1100433  Carex atherodes Herbert L. Mason, Verne Grant 1947-7-12 13424 Modoc s Alturas (irrigation ditch near s end of west side road along railroad tracks); Pit River Valley Comment
  CAS-BOT-BC242373  Carex athrostachya Peter Hamilton Raven; Otto Thomas Solbrig 1958-6-17 13305 Modoc Hwy 299, 2.6 mi W of Alturas. Comment
  UC1024336  Carex athrostachya Annie M. Alexander and Louise Kellogg 1946-7-18 5023 Modoc Benton Meadow Warner Mountains 2072 Comment
  UCD146975  Carex aurea Chuck Hughes 2012-9-13 346 Modoc Bear Mountain. 2005 Comment
  CAS-BOT-BC498657  Carex aurea B. Crampton 1954-7-6 2099 Modoc Shields Creek, Warner Mountains, 20 mi E of Alturas 1676 Comment
  CAS-BOT-BC245192  Carex densa Mrs. H. C. Cantelow 1941-5-23 3635 Modoc Hwy 299, 7.5 mi. W of Adin Pass Summit. Comment
  HSC48185  Carex douglasii D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19424 Modoc Near Hager Reservoir Comment
  HSC95518  Carex douglasii Jim Jokerst 1987-5-13 2869 Modoc Radar Survey Site S of Doublehead Mtn., S of Clear Lake Reservoir, S end of northern sector 1360 Comment
  JEPS124307  Carex douglasii Lowell Ahart, John Dittes 2015-7-15 20338 Modoc Ash Creek State Wildlife Area about 3.9 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber Big Valley. Comment
  UC1776714  Carex feta G. Schoolcraft 1996-7-23 2544 Modoc E. of Yankee Jim Ranch about 12 miles SE of Alturas 1645 Comment
  UC1736044  Carex heteroneura Dean W. Taylor 1989-8-4 10431 Modoc Warner Mountains; Emerson Creek, 0.5 miles upstream from the campground by trail. 1965 Comment
  CAS-BOT-BC242364  Carex illota Robert J. Weatherby 1955-7-7 1603 Modoc Dismal Swamp. 2240 Comment
  CAS-BOT-BC242360  Carex jonesii Louis Cutter Wheeler 1935-8-16 3877 A Modoc Dismal Swamp. 2225 Comment
  SEINET10912940  Carex jonesii Louis C. Wheeler 1935-8-16 Wheeler 3877 Modoc Dismal Swamp, Twenty Mile Cr., Warner Mts. S31, T48N, R16E. 2225 Comment
  CAS-BOT-BC242355  Carex lenticularis var. impressa Bruce Bartholomew; Barrett Anderson 1988-6-24 4333 Modoc Lily Lake, W side of the Warner Mts.. 2130 Comment
  CAS-BOT-BC31936  Carex microptera Roxana S. Ferris; Rena P. Duthie 1919-6-15 161 Modoc Marsh, Parker Creek. Warner Mts. Comment
  HSC7115  Carex microptera M. T. Milligan 1966-7-3 533 Modoc Slopes and ridges E of Jess Valley 1829 Comment
  CAS-BOT-BC245177  Carex multicaulis Leland S. Smith 1922-6-23 1251 Modoc Ballard's Mill. 1828 Comment
  CAS-BOT-BC245181  Carex multicaulis John H. Hatton 1911-6-15 116 Modoc Near Huffman's ranch. 1493 Comment
  CAS-BOT-BC245162  Carex nebrascensis John H. Hatton 1911-6-12 49 Modoc Modoc County. 1493 Comment
  UC1536799  Carex nebrascensis Gordon H. True Jr. 1939-8-16 1000 Modoc near Canby Comment
  CAS-BOT-BC242358  Carex pellita John Thomas Howell 1934-6-16 12207 Modoc Parker Creek. 1584 Comment
  CAS-BOT-BC118321  Carex praegracilis E. K. Balls 1950-5-10 14603 Modoc Below Monlo Baths, west shore Lower Alkali Lake 1402 Comment
  POM313115  Carex praegracilis H. L. Mason, Verne Grant 1947-7-12 13439 Modoc Corporation Ranch Headquarters, north of Likely. Comment
  RSA0079904  Carex rossii Peter H. Raven 1962-5-29 17894 Modoc 13 miles northwest of Canby. Comment
  SEINET7577137 Image available Carex subfusca John Thomas Howell 1934-6-16 12208 Modoc Parker Creek, Warner Mts. 1585 Comment
  UC190420  Carex subfusca M. S. Baker and Frank Nutting 1894-6-20 Modoc near White-horse Lake 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
  CHSC100234  Carex utriculata John Dittes; Josephine Guardino 1991-8-23 454 Modoc Modoc Plateau; Warner Mountains; southwest edge of Dismal Swamp; ca. 7.4 air-miles east by southeast of Goose Lake State Recreation Area, ca. 0.7 air-miles south of Oregon border, ca. 3.3 air-mile northwest of summit of Bidwell Mtn. 2209 Comment
  CAS-BOT-BC115186  Carex vernacula John Thomas Howell 1934-6-14 12165 Modoc Near Lost Lake, Warner Mts. 2438 Comment
  HSC75586  Carex whitneyi G. M. Riegel 1979-7-3 469 Modoc S Warner Mtns. 1670 Comment
  RSA59869  Castilleja angustifolia E. K. Balls 1950-5-11 14607 Modoc W of Middle Lake. Between Eagleville and Cedarville. 1433 Comment
  CAS-BOT-BC225979  Castilleja applegatei subsp. pinetorum Elmer Ivan Applegate 1929-6-24 5888 Modoc Between Adin and Canby, Pit River Valley. Comment
  CAS-BOT-BC225980  Castilleja applegatei subsp. pinetorum E. S. Willits 1940-5-6 216 Modoc Hillside near Lassen Creek, Willow Ranch. 1371 Comment
  CAS-BOT-BC226000  Castilleja applegatei subsp. pinetorum Margaret J. Williams 1984-6-28 84- 69 -2 Modoc Warner Mountains, N of Cedar Pass, end of Soldier Creek road. 2072 Comment
  CAS-BOT-BC229823  Castilleja applegatei subsp. pinetorum John Thomas Howell 1934-6-13 12100 Modoc North fork of Barber Creek. 1828 Comment
  HSC20500  Castilleja applegatei subsp. pinetorum M. T. Milligan 1965-7-10 439 Modoc W slope of Eagle Peak. 2439 Comment
  JEPS27948  Castilleja applegatei subsp. pinetorum Frances D. Payne 1931-6-11 148 Modoc Parker Creek Warner Mountains 1584 Comment
  JEPS86308  Castilleja applegatei subsp. pinetorum Jack and Betty Guggolz 1988-7-5 982 Modoc Comment
  RSA59712  Castilleja applegatei subsp. pinetorum N. N. Thompson 1950-5-18 14764 Modoc By Lower Rush Creek Public Camp, E. from Hwy 299, about 8 mi. N. of Adin. 1311 Comment
  SEINET13732522  Castilleja applegatei subsp. pinetorum M. J. Williams 1968-6-1 s.n. Modoc Cedar Pass. 2103 Comment
  UC1012495  Castilleja applegatei subsp. pinetorum Francis W. Pennell 1940-6-8 25735 Modoc 8 mi w Canby (Route 299) 1432 Comment
  UC199409  Castilleja applegatei subsp. pinetorum Franklin P. Nutting 1900-1-1 Modoc near Egg Lake Comment
  UC444864  Castilleja applegatei subsp. pinetorum Mrs. M. H. Manning 1907-1 Modoc e side Mt. Bidwell; 12 Mile Creek Comment
  CAS-BOT-BC498660  Castilleja applegatei subsp. pinetorum Barrett Anderson 1986-7-9 3156 Modoc Warner Mountains. Hwy 299 just W of Cedar Pass 1920 Comment
  SEINET13732719  Castilleja applegatei var. pinetorum M. J. Williams 1984-1 84- 69 -2 Modoc Warner Mountains, N of Cedar Pass, end of Soldier Creek Road. 2073 Comment
  CAS-BOT-BC226004  Castilleja arachnoidea K. Paulson; Robert Paulson 1991-7-27 247 Modoc Sugar Hill Lookout. 2202 Comment
  CAS-BOT-BC226013  Castilleja arachnoidea E. S. Willits 1940-5-20 284 Modoc Canby 1371 Comment
  UC199357  Castilleja arachnoidea Milo S. Baker Modoc near Egg Lake Comment
  HSC80804  Castilleja arachnoidea G. M. Riegel 1980-7-9 857 Modoc South Warner Mts. 1829 Comment
  UC27293  Castilleja campestris subsp. campestris Milo S. Baker 1893-6 Modoc Adobe bottom Comment
  CAS-BOT-BC226033  Castilleja lacera Mrs. H. C. Cantelow 1941-5-23 s.n. Modoc 7.5 mi W of Adin Pass Summit on Hwy 299. Comment
  JEPS76161  Castilleja lacera T. I. Chuang with Fei-Mei Chuang 1977-7-26 7662 Modoc 2.2 mi n Adin (at junction of Highway 299 and road to Rush Creek Campground) 1371 Comment
  POM260863  Castilleja linariifolia Alice Eastwood, John T. Howell 1940-6-14 8195 Modoc 6 miles w. of Alturas. Comment
  UC1051442  Castilleja linariifolia Herbert L. Mason 1955-8-14 14654 Modoc sw side Goose Lake (at Fletcher's Place) Comment
  UC199383  Castilleja linariifolia Milo S. Baker 1898-8-1 528 Modoc near Johnson's; Big Valley Comment
  UC444859  Castilleja miniata Mrs. Austin Jun 1894 302 Modoc Willow Creek Comment
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  JEPS27956  Castilleja miniata Frances D. Payne 1931-7-4 316 Modoc Parker Creek, w slope of the Warner Range Parker Creek; Warner Range 1584 Comment
  UC26460  Castilleja miniata Mrs. R. M. Austin and Bruce Jul 1898 2242 Modoc Goose Lake mts. Comment
  UC986479  Castilleja miniata Annie M. Alexander and Louise Kellogg 1946-7-12 4978 Modoc Cowhead Lake Comment
  CAS-BOT-BC226053  Castilleja pilosa Christopher Davidson 1975-6-4 2628 Modoc Canby Bridge across Pit River, ca. 4 mi. S of Canby on Hwy 299. 1341 Comment
  CHSC117770  Castilleja pilosa L. P. Janeway 2016-5-18 12056 Modoc Modoc Plateau. Between Goose Lake and the Devils Garden area; along southwest side of Goose Lake about 1.0 air--km southwest of north end of Road 48 causeway across the lake. 1434 Comment
  UC1561056  Castilleja pilosa Dean Wm. Taylor with Glenn L. Clifton and Rexford E. Palmer 1987-6-7 9011 Modoc se margin Egg Lake (along the stream draining into Kramer Reservoir); Upper Modoc Plateau, Kramer Reservoir 1408 Comment
  JEPS77521  Castilleja pilosa L. R. Heckard with T. I. Chuang and R. C. Bacigalupi 1978-7-19 4891 Modoc about 3 mi sw Patterson Ranger Station (just n of Lassen County line); Warner Mts. 2011 Comment
  CAS-BOT-BC226075  Castilleja tenuis Bruce Bartholomew 1990-6-17 5352 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-BC226077  Castilleja tenuis Francis Dorris Payne 1931-6-12 158 Modoc Parker Creek, Warner Mountains 1584 Comment
  CAS-BOT-BC226078  Castilleja tenuis Clare Butterworth Hardham 1961-6-18 7804 Modoc Lava Flows, N Fork Pit River, 3.3 mi SW of Cedar Pass. 1371 Comment
  CAS-BOT-BC226081  Castilleja tenuis Bruce Bartholomew 1991-6-23 5884 Modoc 7.4 km NE of Crowder Flat Road on road between Dorris Brothers Reservoir and Cow Head Tank. 1520 Comment
  UC748084  Castilleja tenuis Annie M. Alexander and Louise Kellogg 1946-7-7 4929 Modoc Eight Mile Creek; ne corner of Modoc County 1752 Comment
  RSA520505  Ceanothus cuneatus Bruce Bartholomew 1990-4-26 5156 Modoc 0.5km S of Day. 1100 Comment
  CAS-BOT-BC217136  Ceanothus cuneatus var. cuneatus W. Knight; Irja Knight 1981-5-25 4111 Modoc White Horse Road near Egg Lake. 1249 Comment
  CAS-BOT-BC217140  Ceanothus cuneatus var. cuneatus Bruce Bartholomew 1995-5-12 6897 Modoc SW flank of White Horse Mountains between Day and Day Rock. 1210 Comment
  CAS-BOT-BC217144  Ceanothus integerrimus Bruce Bartholomew; Barrett Anderson 1988-6-23 4265 Modoc 1.8 km WSW of Day on County Road 94. 1170 Comment
  RSA59344  Ceanothus prostratus E. K. Balls 1950-5-11 14632 Modoc 0.75 miles below E of crest of Fandango Pass (from Fort Bidwell - Lake City road to Bucks Creek Ranger Station on Hwy 395). 1860 Comment
  RSA647819  Ceanothus prostratus William Gilbert 1969-6-30 s.n. Modoc off route 36, out of Susanville, 10 miles from eagle Lake Comment
  UC18392  Ceanothus prostratus Milo S. Baker 1893-6 Modoc Red Soil 1524 Comment
  CAS-BOT-BC217116  Ceanothus velutinus Betty J. Hammerly 1941-6-20 37 Modoc Along banks of Clear Lake, S end of Warner Mts. Comment
  CAS-BOT-BC217122  Ceanothus velutinus Annie Montague Alexander; L. Kellogg 1946-6-28 4860 Modoc Pine Creek Canyon, N end of Warner Mts. 2011 Comment
  HSC18353  Ceanothus velutinus M. T. Milligan 1966-7-1 520 Modoc Slopes and ridges E of Jess Valley 1646 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
  HSC65384  Centaurea cyanus Thomas Wood 1979-8-8 216 Modoc 1 mi. S of Ft. Bidwell, along Hwy. 1, corner house where road turns W 1372 Comment
  HSC5232  Centaurea cyanus M. T. Milligan 1964-6-4 28 Modoc East D St. between 4th and 5th St., Alturas 1372 Comment
  CAS-BOT-BC15097  Centaurea diffusa L. D. White 1959-8-19 s.n. Modoc W of Canby. Comment
  CHSC100382  Centaurea squarrosa Lowell Ahart; John Dittes 2008-8-25 15300 Modoc In the middle of a poor dirt road, on the west side of the Pit River, about 1/8 mile east of County Road 91,about 3.8 miles (air) north-northeast of Lookout. 1273 Comment
  UC956843  Ceratophyllum demersum Herbert L. Mason and Verne Grant 1947-7-12 13386 Modoc irrigation ditch by Jones' Lane off Highway 395 several mi s Alturas Comment
  CAS-BOT-BC197532  Cercocarpus betuloides var. betuloides Leland S. Smith 1922-8-28 1336 Modoc Canyon E of Andrews Ranch 1524 Comment
  CHSC100419  Cercocarpus betuloides var. macrourus Lowell Ahart; John Dittes 2008-8-26 15357 Modoc Southeast side of Rose Creek, 750 feet southwest of confluence of Rose Creek and Pit River, on the southeast side of unnamed road, 2660 feet east of intersection with County Road 85a, 0.3 miles (air) north-northeast of Lookout. 1276 Comment
  RSA104148  Cercocarpus ledifolius Milo S. Baker 1893-1 s.n. Modoc [Unspecified] Comment
  RSA0018317  Cercocarpus ledifolius Joan Stewart 2005-6-6 2484 Modoc Stowe Reservoir, Warner Mountains. Comment
  UC1127899  Cercocarpus ledifolius var. ledifolius R. C. Wilson 1933-7-16 63 Modoc Rush Creek, Modoc National Forest Rush Creek; Modoc National Forest, Rush Creek 1447 Comment
  NY418596  Cercocarpus macrourus M. S. Baker 1893-6-20 s.n. Modoc Comment
  CAS-BOT-BC15062  Chaenactis douglasii var. douglasii R. M. Austin; C. C. (Mrs.) Bruce 1898-7-1 2177 Modoc Davis Creek plains. Comment
  JEPS34154  Chaenactis douglasii var. douglasii L. S. Smith 1918-7-7 977 Modoc Jess Valley Warner Mts. (sw slope of Warner Mts.) 1524 Comment
  HSC81052  Chaenactis nevadensis G. M. Riegel 1979-7-14 545 Modoc South Warner Mtns. 1739 Comment
  CAS-BOT-BC197574  Chamaebatiaria millefolium Leland S. Smith 1924-6-23 1433 Modoc Lavas near Lava Ranger Station. 1325 Comment
  CAS-BOT-BC245411  Chamaesaracha nana Alice Eastwood; John Thomas Howell 1940-6-13 8191 Modoc W side of Cedar Pass. Comment
  UC1192290  Chamaesyce serpyllifolia Verne Grant and Irving Schneider 1947-7-20 8089 Modoc 2 mi e Alturas; Dorris Reservoir Comment
  JEPS114754  Chenopodium Lowell Ahart, John Dittes 2008-6-21 15010 Modoc Along a large levee, mountain meadow, in Big Valley, about 4.3 miles (air) northeast of the Headquarters at Ash Creek State Wildlife Area, about 7.3 miles (air) northeast of Bieber 1266 Comment
  RSA0076312  Chenopodium L. C. Wheeler 1935-8-30 3930 Modoc Devil's Garden: Lakeshore Reservoir. 1524 Comment
  CDA31937  Chenopodium album L. 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 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
  JEPS127299  Chenopodium album Lowell Ahart, John Dittes 2016-7-14 21168 Modoc South of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin Big Valley. Comment
  JEPS59681  Chenopodium album Frances D. Payne 1931-7-4 320 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  CAS-BOT-BC95667  Chimaphila umbellata Bruce Bartholomew 1995-7-30 7044 Modoc Big Valley Mountains N of County Road 94. 1400 Comment
  HSC80767  Chimaphila umbellata G. M. Riegel 1979-8-21 680 Modoc S Warner Mtns. 1670 Comment
  UC21660  Chimaphila umbellata Milo S. Baker 1893-6 Modoc Comment
  CAS-BOT-BC197833  Chorizanthe polygonoides var. polygonoides Bruce Bartholomew 1994-7-1 6747 Modoc 7.6 km NW of County Road 91 between Lookout and Lookout Jct. on County road 93. 1280 Comment
  POM57302  Chrysanthemum segetum M. S. Baker s.n. Modoc [Unspecified] Comment
  CAS-BOT-BC15030  Chrysothamnus humilis Francis Dorris Payne 1934-8-29 s.n. Modoc Parker Creek. 1584 Comment
  CAS-BOT-BC15001  Chrysothamnus nauseosus subsp. albicaulis Elmer Ivan Applegate 1936-9-22 11058 A Modoc Fleeners Chimneys, Lava Beds National Monument. Comment
  CAS-BOT-BC15005  Chrysothamnus nauseosus subsp. albicaulis John Thomas Howell 1934-7-2 12371 Modoc W side of Clear Lake. Comment
  CAS-BOT-BC15042  Chrysothamnus nauseosus subsp. albicaulis Elmer Ivan Applegate 1936-9-22 11056 Modoc Gilliam Bluff, Lava Beds National Monument Comment
  SJSU9680  Chrysothamnus viscidiflorus subsp. puberulus W. Savage 1979-8-22 1578 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  CAS-BOT-BC14990  Chrysothamnus viscidiflorus subsp. viscidiflorus Loran C. Anderson 1958-8-24 1614 Modoc Cedar Pass Campground, in Warren Mountains, 8 miles west of Cedarville Comment
  CHSC85170  Chrysothamnus viscidiflorus subsp. viscidiflorus John Dittes; Josephine Guardino 1991-7-21 391 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
  RSA301895  Chrysothamnus viscidiflorus subsp. viscidiflorus L. C. Anderson 1958-8-23 1611 Modoc Along fence rows beside highway and around Middle Lake; 1 mile east of Cedarville 1425 Comment
  RSA795595  Chrysothamnus viscidiflorus subsp. viscidiflorus L. Ahart, John Dittes 2010-8-30 17061 Modoc Near the homestead, about 100 yards east of the fence, Ash Creek State Wildlife Area, 2300 feet north of Lassen County Line, about 3.6 air miles west of Adin, about 8.0 air miles northeast of Bieber, Big Valley. 1268 Comment
  CAS-BOT-BC21485  Cicuta douglasii John Thomas Howell 1934-6-12 12001 Modoc Davis Creek. Comment
  CDA38297  Cicuta douglasii T. C. Fuller 1959-10-15 3130 Modoc Pine Creek at Highway 395. 0 Comment
  CDA38302  Cicuta douglasii T. C. Fuller 1959-7-8 s.n. Modoc 3.4 miles east of Tulelake. 0 Comment
  CDA38305  Cicuta douglasii G. D. Barbe, John Kelley 1988-7-2 4297 Modoc Modoc National Wildlife Refuge, southeast of Alturas. 0 Comment
  POM82895  Cicuta douglasii Mrs. R. M. Austin 1895-07 43 Modoc Davis Creek Comment
  RSA520382  Circaea alpina subsp. pacifica Bruce Bartholomew, B. Anderson 1990-7-20 5535 Modoc Buck Creek between Del Pratt Spring and Howard Flat, W side of Warner Mtns 1990 Comment
  CAS-BOT-BC14952  Cirsium andersonii Bruce Bartholomew; Barrett Anderson 1988-7-22 4490 Modoc Vicinity of East Creak Trailhead, southern end of the Warner Mts. 2210 Comment
  POM33030  Cirsium cymosum Mrs. R. M. Austin 1895-08 165 Modoc Goose Lake Valley Comment
  CAS-BOT-BC14973  Cirsium douglasii var. breweri Herbert Louis Mason 1947-8-11 13500 Modoc Hwy 81, N of Modoc-Lassen County line. Comment
  CAS-BOT-BC14975  Cirsium douglasii var. breweri Louis Cutter Wheeler 1935-9-10 3966 Modoc McGinty Reservoir, Devil's Garden 1463 Comment
  CDA1195  Cirsium douglasii var. breweri G. D. Barbe, T. C. Fuller 1979-8-21 2545 Modoc 5.6 km S of Fort Bidwell; W side of County Hwy 1, 3.2 km N of Fandango Pass Rd. Comment
  POM54289  Cirsium douglasii var. breweri M. S. Baker 1898-08 538 Modoc Forest Dale Comment
  UC75815  Cirsium douglasii var. breweri Milo S. Baker 1898-8-1 Modoc Forest Dale Comment
  CHSC85426  Cirsium occidentale var. candidissimum John Dittes; Josephine Guardino 1991-8-23 451 Modoc Modoc Plateau; Warner Mountains; west slope, ca. 2.6 air-miles east by southeast of Goose Lake State Recreation Area, ca. 0.8 air-miles south of Oregon border, ca. 4.8 air-mile west of Dismal Swamp; Pine Creek Canyon, slope above Highgrade Road. 1545 Comment
  SEINET195907  Cirsium occidentale var. candidissimum Annie M. Alexander 1946-6-18 4803 Modoc Patterson Mill-Silver Creek roads Comment
  RSA0070699  Cirsium occidentale var. candidissimum R. F. Thorne, C. W. Tilforth 1969-9-5 39183 Modoc 3.3 miles N of Likely. 1357 Comment
  CAS-BOT-BC228711  Cistanthe umbellata John Thomas Howell 1934-6-14 12152 Modoc Near Lost Lake, Warner Mts. 2438 Comment
  CAS-BOT-BC162643  Clarkia Clare B. Hardham 1961-6-19 7848 Modoc Willow Creek, Warner Mountains Comment
  CAS-BOT-BC191000  Clarkia John H. Hatton 1911-6-2 62 Modoc Modoc County. 1371 Comment
  JEPS126548  Clarkia gracilis Lowell Ahart, John Dittes 2016-6-6 20943 Modoc About 50 yards southwest of the intersection of County Road 87 and Access Road to Pilot Butte Parking Area, northeast base of Pilot Butte, 3.8 miles (air) east of Lookout, 7.5 miles (air) west of Adin, Ash Creek State Wildlife Area. Comment
  CAS-BOT-BC191062  Clarkia gracilis subsp. gracilis K. Paulson; Robert Paulson 1989-6-28 153 Modoc Vicinity of Granger Creek, E side of the Warner Mts. 1905 Comment
  CAS-BOT-BC191075  Clarkia gracilis subsp. gracilis John Thomas Howell 1934-6-12 12003 Modoc Davis Creek Comment
  RSA504595  Clarkia gracilis subsp. gracilis Bruce Bartholomew, B. Anderson 1988-6-23 4290 Modoc South side of Egg Lake, ca. 1.5 km west of the Burlington Northern railroad track 1300 Comment
  CAS-BOT-BC191053  Clarkia lassenensis John Thomas Howell 1934-6-11 11942 Modoc Parker Creek. 1584 Comment
  HSC75592  Clarkia lassenensis G. M. Riegel 1980-7-23 934 Modoc S Warner Mtns. 2100 Comment
  SEINET5512252  Clarkia lassenensis J. C. Beatley 1964-1 Modoc Tule Lake area. Drainage area: Artemisia-Juniper 1829 Comment
  UCSB17311  Clarkia lassenensis Haller, John 1961-6-24 Modoc near California State Highway 139; 25 mi SE of Tulelake; 27.7 mi NW of Canby 1280 Comment
  CAS-BOT-BC191041  Clarkia rhomboidea John Thomas Howell 1934-6-13 12048 Modoc Fandango Pass. 1828 Comment
  RSA41240  Clarkia rhomboidea A. M. Alexander, Louise Kellogg 1946-6-28 4863 Modoc Pine Creek Canyon, north end of Warner Mountains 1616 Comment
  CDA38042  Clarkia rhomboidea J. Elliot 1975-7-3 s.n. Modoc Forestry road, 2 mile north of Joseph Creek Basin, northeast of Alturas, Modoc National Forest. 0 Comment
  RSA646254  Clarkia rhomboidea Peter H. Raven, Otto T. Solbrig 1958-6-18 13309 Modoc Cottonwood Flat Camp Ground, Modoc National Forest Comment
  SEINET10492533  Clarkia rhomboidea Lawrence R. Heckard 1978-7-19 Heckard 4886 Modoc On slope above stream. N side of Cedar Pass. Elev. 6300 feet. 1890 Comment
  RSA78961  Clarkia stellata E. K. Balls, Percy C. Everett 1952-10-11 18166 Modoc 6.1 mi. W of turn off of Highway 139 on road to Pumice Pits at E edge of Glass Flow. 1280 Comment
  SEINET195687  Claytonia megarhiza Annie M. Alexander, L Kellogg 1946-7-30 5097 Modoc Eagle Peak Warner Mts. Comment
  CAS-BOT-BC197441  Claytonia parviflora subsp. parviflora Bruce Bartholomew 1994-5-14 6679 Modoc NW of Day between Oilar Ranch and Day Rock. 1190 Comment
  CAS-BOT-BC197433  Claytonia perfoliata subsp. intermontana Bruce Bartholomew 1990-6-17 5309 Modoc Vicinity of Emerson Camp near roadhead, E side of Warner Mts. 1750 Comment
  RSA276912  Claytonia rubra J. M. Miller 1978-6-19 753 Modoc Modoc County: Warner Mtns, Fandango Pass. 2357 Comment
  CAS-BOT-BC197475  Claytonia rubra subsp. rubra Edward Kent Balls 1950-5-12 14640 Modoc Above Buck Creek Ranger Station. 1767 Comment
  UC9072  Clematis ligusticifolia Milo S. Baker 1893-6 Modoc Sacramento Canyon near Dunsmuir; Sacramento Canyon Comment
Read comments
Nov 17 2013
  UC1035990  Cleome platycarpa Helen K. Sharsmith 1955-6-23 4503 Modoc just outside west boundary of Modoc National Forest (w slope Warner Mountains); Warner Mountains, West Valley Reservoir 1524 Comment
  CAS-BOT-BC226092  Collinsia parviflora Milo Samuel Baker; Franklin P. Nutting 1894-6-4 s.n. Modoc Little Hot Spring Valley. Comment
  CAS-BOT-BC229866  Collinsia parviflora Bruce Bartholomew; Barrett Anderson 1988-6-24 4365 Modoc Vicinity of Patterson Campground, southern end of the Warner Mts. 2190 Comment
  CHSC117864  Collinsia parviflora L. P. Janeway 2016-5-16 11981 Modoc Modoc Plateau. Devils Garden area; along Road 47N07 1.8 road-km south of Road 181/73/47N09. 1573 Comment
  POM260476  Collinsia parviflora C. Leo Hitchcock 1940-5-27 6687 Modoc 15 miles northeast of Alturas. 1616 Comment
  SBBG6876  Collinsia parviflora H. and M. Dearing 1939-6-8 3599 Modoc Pine Cyn, Warner Mtns Comment
  SEINET10317272 Image available Collinsia parviflora B. Bartholomew 1991-6-20 5780 Modoc NE side of Barber Ridge, 10 lm NW of Adin on road to Fox Mountain 1580 Comment
  UC26638  Collinsia parviflora Milo S. Baker 1893-6-15 Modoc Forestdale Comment
  RSA503036  Collinsia parviflora Bruce Bartholomew, B. Anderson 1988-6-24 4365 Modoc Vicinity of Patterson Campground, southern end of the Warner Mountains. 2190 Comment
  POM126796  Collinsia torreyi var. latifolia M. S. Baker s.n. Modoc Little Hot Springs? Comment
  RSA504854  Collinsia torreyi var. wrightii Bruce Bartholomew, B. Anderson 1988-6-24 4299 Modoc Road beyond Poison Lake, ca. 8 km S of the road from Hwy 395 to Lily Lake, Warner Mountains. 2130 Comment
  CAS-BOT-BC190739  Collomia grandiflora John Thomas Howell 1934-7-1 12319 Modoc Duncan Horse Camp. 1355 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
  HSC32014  Collomia grandiflora J. D. Ackerman, A. M. Montalvo 1974-7-4 365 Modoc Howards Gulch, 6 mi. NW of Canby, off Hwy. 139 Comment
  CAS-BOT-BC190719  Collomia linearis John Thomas Howell 1934-6-11 11961 Modoc Parker Creek, Warner Mts. 1584 Comment
  CAS-BOT-BC190724  Collomia linearis Barrett Anderson 1986-7-9 3173 Modoc Stough Reservoir Rd just E of Cedar Pass near Stough Reservoir. 1965 Comment
  UC1075756  Collomia linearis Robert J. Weatherby 1955-7-8 1613 Modoc 7 mi n Fort Bidwell; northern Warner Mts. 1874 Comment
  UCR186867  Collomia tenella Glenn L. Clifton 2007-7-16 46426 Modoc Warner Mtns, South Fork Pine Creek 2172 Comment
Read comments
Jan 18 2008
  JEPS71065  Collomia tinctoria Milo S. Baker 1893-6-10 Modoc sw corner of county Forestdale Comment
  UC1060655  Collomia tinctoria Herbert L. Mason 1957-7-6 14718 Modoc Mill Creek Warner Mountains Comment
  UC23855  Collomia tinctoria Milo S. Baker 1893-6-10 Modoc rocky s hillside Comment
  CAS-BOT-BC21481  Conium maculatum Bruce Bartholomew 1990-6-17 5286 Modoc Surprise Valley, SW side of Lower Alkali Lake, 3.2 km N of Lassen County border. 1370 Comment
  SEINET3479097  Conyza canadensis Unknown 1991-8-28 4447 Modoc Modoc National Forest, Modoc National Forest, Kelley Spring, 3.4 miles from highway 299 at Rush Creek, on primary Forest Service Road 22 and Road 40N33 1640 Comment
  UC1036065  Corallorhiza maculata Annie M. Alexander and Louise Kellogg 1946-7-17 5005 Modoc Benton Meadow Warner Mountains 2072 Comment
  CAS-BOT-BC242186  Corallorhiza maculata Bruce Bartholomew 1994-7-3 6828 Modoc Field redacted by CAS, contact the data manager for more information 1610 Comment
  SD133735  Cordylanthus capitatus L. R. Heckard, P. Rubtzoff 1971-8-3 2705 Modoc At summit of Old Cannon Mill road, 3.5 miles north of Cedarville Pass, Warner Mts 1981 Comment
  RSA763574  Cornus glabrata Doris Bowers 1972-9-2 1895 Modoc Upper Camp, Rush Creek, N/o Adin 1220 Comment
  RSA603601  Crassula solieri L. C. Wheeler 1935-9-17 3989 Modoc Everly Reservoir, Devil's Garden 1524 Comment
  CAS-BOT-BC197570  Crataegus douglasii Francis Dorris Payne 1931-6-21 232 Modoc Gulch N of Parker Creek, Warner Mts. 1828 Comment
  CHSC115557  Crataegus douglasii Lowell Ahart; John Dittes 2015-7-15 20356 Modoc East side of Elkins Lane, about 50 yards southeast of the bridge across Ash Creek (destroyed), about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  CAS-BOT-BC14909  Crepis acuminata John Thomas Howell 1934-6-30 12289 Modoc Duncan Horse Camp Comment
  CAS-BOT-BC14910  Crepis acuminata John Thomas Howell 1934-6-11 11979 Modoc Parker Creek, Warner Mountains 1584 Comment
  JEPS36447  Crepis acuminata Frances D. Payne 1931-6-11 150 Modoc Parker Creek Warner Mts. (n slope) 1584 Comment
  UC726061  Crepis acuminata A. A. Heller 1938-6-24 15220 Modoc on US Hwy 299 between Alturas and Canby 1341 Comment
  CAS-BOT-BC14922  Crepis bakeri Bruce Bartholomew 1991-6-21 5794 Modoc 1.6 km S of Davis Creek on U.S. Hwy 395. 1450 Comment
  CAS-BOT-BC14892  Crepis intermedia Isabelo T. Kelly 1930-1-1 53 Modoc unspecified Comment
  SJSU8814  Crepis intermedia H. L. Buckalew 1961-6-25 Modoc near Stowe Reservoir 1 mi N of Cedar Pass on Altuas-Cedarville Road 2011 Comment
  RSA95139  Crepis intermedia F. W. Peirson 1926-6-25 6873 Modoc Summit of grade, Cedarville Pass, Warner Mountains. Comment
  JEPS89244  Crepis modocensis Lauramay T. Dempster 1961-6-18 1683 Modoc peak just s Cedar Pass Comment
  UC1036005  Crepis modocensis Helen K. Sharsmith 1955-6-22 4486 Modoc steep slope just n Cedar Pass; Warner Mountains, Modoc National Forest 1889 Comment
  CAS-BOT-BC14887  Crepis modocensis subsp. modocensis Bruce Bartholomew; Barrett Anderson 1988-6-24 4311 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-BC14867  Crepis occidentalis Bruce Bartholomew 1992-5-16 6338 Modoc Burned area along County Road 91, ca. 2.5 km S of turn off to Happy Camp Ranger Station. 1390 Comment
  CHSC59501  Crepis occidentalis Mary Meyer 1980-5-1 Modoc Sand Creek. 1645 Comment
  SEINET7881829 Image available Crepis occidentalis subsp. costata Helen K. Sharsmith 1955-1 4485 Modoc just north of Cedar Pass. 1890 Comment
  HSC5454  Crepis occidentalis subsp. occidentalis R. C. Wunner 1965-7-1 333 Modoc Lava Beds N.M. Top of Gillems Bluff above NW Ranger Station. 1372 Comment
  UC748134  Crepis occidentalis subsp. occidentalis Annie M. Alexander and Louise Kellogg 1946-6-10 4715 Modoc top of lava bench between Lower Lake and Snake Lake Comment
  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
  UC1036003  Crepis occidentalis subsp. pumila Helen K. Sharsmith 1955-6-22 4485 Modoc steep slope just n Cedar Pass; Warner Mountains, Modoc National Forest 1889 Comment
  UC1191647  Cressa truxillensis Herbert L. Mason 1947-8-15 13541 Modoc e. side Goose Lake (mouth of Crane Creek on Willow Ranch); Willow Ranch, Crane Creek, Goose Lake Comment
  RSA564303  Crocidium multicaule George K. Helmkamp, E. A. Helmkamp 1993-5-4 s.n. Modoc 16.1 miles northwest of Canby. Along California Highway 139. 1280 Comment
  UCD130993  Crocidium multicaule R. N. Raynor 1940-4-12 s.n. Modoc Alturas. Comment
  CHSC77192  Crupina vulgaris G. Schoolcraft 1993-6-17 Modoc Ne of Adin on s. side of Hunter Ridge. 1645 Comment
  SJSU9643  Crypsis vaginiflora W. Savage 1979-7-8 1473 .5 Modoc Round Valley Unit, Devils Garden District, Modoc National Forest 1493 Comment
  UCD59980  Crypsis vaginiflora A. A. Beetle 1944-8-15 3025 Modoc Southwest of Modoc County, 4 miles north of Lookout. Comment
  UCD120115  Cryptantha Herbert L. Mason; Verne Grant 1947-7-9 13316 Modoc Cedar Pass, summit of Warner Range. 1920 Comment
  CDA19937  Cryptantha ambigua D. Crum 2002-7-2 PDR 1151612 Modoc Northern California; Vicinity of Alturas 0 Comment
  CAS-BOT-BC54139  Cryptantha circumscissa Bruce Bartholomew; Barrett Anderson 1989-6-2 4829 Modoc 6.4 km E of Eagleville on the road to the California state border, E side of Surprise Valley. 1550 Comment
  CAS-BOT-BC54107  Cryptantha intermedia Roxana Stinchfield Ferris; R. Duthie 1919-6-13 33 Modoc Above Parker Creek at Modoc Nat. Forest Boundary. Comment
  CAS-BOT-BC54144  Cryptantha intermedia Mrs. H. C. Cantelow 1940-6-2 3318 Modoc 9.3 mi NW of Canby. Comment
  UC194969  Cryptantha intermedia W. P. Taylor and H. C. Bryant 1910-6-26 Modoc Parker Creek Warner Mountains 1676 Comment
  CAS-BOT-BC54111  Cryptantha simulans John Thomas Howell 1934-6-11 11982 Modoc Parker Creek, Warner Mountains 1584 Comment
  CAS-BOT-BC54115  Cryptantha simulans Alice Eastwood; John Thomas Howell 1940-6-13 8169 Modoc Cedarville. Comment
  OBI48864  Cryptantha simulans Lewis S. Rose 1940-6-14 40578 Modoc 14 mi NW of Canby 1524 Comment
  UC748457  Cryptantha subretusa Annie M. Alexander and Louise Kellogg 1946-8-8 5125 Modoc Patterson Lake Trail Warner Mountains Comment
  CAS-BOT-BC54083  Cryptantha watsonii Bruce Bartholomew; Barrett Anderson 1989-6-2 4823 Modoc Sand dunes at the SE corder of Upper Alkali Lake, E side of Surprise Valley. 1400 Comment
  NY57978  Cupressus bakeri B. M. Bartholomew 1995-6-1 6914 Modoc Northwest edge of Little Hot Spring Valley, northwest of Day 1080 Comment
  CDA5587  Cuscuta approximata Goss 1932-10-3 Modoc 0 Comment
  UCD126232  Cuscuta approximata Goss 1932-10-3 7 Modoc Exact location unknown. 388 Comment
  SEINET195667  Cusickiella douglasii Annie M. Alexander, Louise Kellogg 1946-8-9 5142 Modoc Squaw Peak; Patterson Lake Trail, Warner Mountains. Comment
  CAS-BOT-BC21483  Cymopterus terebinthinus var. californicus Bruce Bartholomew 1993-6-12 6583 Modoc Road to Day Rock from Little Hot Spring Valley. 1250 Comment
  UC24758  Cynoglossum occidentale Milo S. Baker 1893-7-10 Modoc Forestdale Comment
  UC1100560  Cyperus squarrosus Herbert L. Mason 1947-8-13 13516 Modoc n. Canby (n.e. side of F reservoir) Comment
  UC698533  Cyperus squarrosus Louis C. Wheeler 1935-9-3 3938 Modoc McGinty Reservoir, Devil's Garden 1463 Comment
  UC1204928  Cypripedium montanum R. C. Wilson 1933-6-21 99 Modoc Rush Creek Camp Canby Quadrangle Comment
  CAS-BOT-BC245219  Damasonium californicum John Thomas Howell 1934-6-15 12184 Modoc Alturas. Comment
  UC529  Damasonium californicum Milo S. Baker 1893-7-25 5828 Modoc Egg Lake Comment
  UC1100150  Damasonium californicum Herbert L. Mason 1947-8-12 13514 Modoc s. of Opahwah Butte near Alturas Comment
  SBBG524  Danthonia unispicata A. A. Beetle 1941-6-29 2884 Modoc near summit of Mt Adin 1828 Comment
  UCD61364  Danthonia unispicata A. A. Beetle 1941-6-29 2834 Modoc Near summit of Mt. Adin. 1828 Comment
  UC53339  Danthonia unispicata M. S. Baker and Frank Nutting 1894-1 Modoc Comment
  HSC80692  Dasiphora fruticosa G. M. Riegel 1979-7-23 575 Modoc S Warner Mtns. 1829 Comment
  CHSC85098  Deinandra lobbii John Dittes; Josephine Guardino 1991-7-21 442 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-BC217345  Delphinium depauperatum Mrs. H. C. Cantelow 1940-6-1 4262 Modoc Cedar Pass, Warner Mountains 1935 Comment
  CAS-BOT-BC217348  Delphinium depauperatum M. Vasey 1990-6-29 9020 Modoc Along S Emerson Trail, near trailhead. South Warner Wilderness. 2377 Comment
  CAS-BOT-BC217347  Delphinium depauperatum P. Monnet 1913-7-7 868 Modoc Warner's Range 2438 Comment
  CAS-BOT-BC217309  Delphinium nuttallianum C. L. Hitchcock 1940-5-27 6505 Modoc 15 mi. NE of Alturas. 1676 Comment
  CAS-BOT-BC217323  Delphinium nuttallianum Clare Butterworth Hardham 1961-6-18 7569 Modoc Mountains S of Cedar Pass. North slopes. Comment
  CHSC85113  Delphinium nuttallianum John Dittes; Josephine Guardino 1991-7-21 422 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
  HSC25017  Delphinium nuttallianum M. T. Milligan 1964-6-17 42 Modoc 1 mi. N of Hwy. 139 on FS Rd. 44N15 1524 Comment
  POM260467  Delphinium nuttallianum C. L. Hitchcock 1940-5-27 6705 Modoc 15 miles NE of Alturas. 1677 Comment
  JEPS23388  Delphinium stachydeum L. S. Smith 1918-7-13 992 Modoc Nevada Range <to?> Mill Cr. Range; Eagle Pk. 2133 Comment
  CAS-BOT-BC242484  Deschampsia cespitosa subsp. cespitosa Bruce Bartholomew; Barrett Anderson 1988-7-22 4544 Modoc Benton Meadow, Warner Mts.. 2180 Comment
  CAS-BOT-BC242480  Deschampsia danthonioides Bruce Bartholomew; Barrett Anderson 1988-6-23 4251 Modoc 4.2 km NW of Day. 1020 Comment
  NY126063  Descurainia incisa B. Anderson 1986-7-9 3164 Modoc Warner Mtns., Stough Reservoir Rd. just E of Cedar Pass near Stough Reservoir 1965 Comment
  CAS-BOT-BC58611  Descurainia pinnata subsp. brachycarpa Bruce Bartholomew; M. Gilbert; L. Skog 1993-5-10 6445 A Modoc At the Nevada border directly E of Eagleville, E side of Surprise Valley. 1520 Comment
  CAS-BOT-BC58615  Descurainia pinnata subsp. glabra Bruce Bartholomew; Barrett Anderson 1988-5-13 4182 Modoc Juniper Flats, 10 km E of Likely on road to Jess Valley, W side of the Warner Mts.. 1450 Comment
  CHSC112433  Descurainia sophia Lowell Ahart; John Dittes, Todd Sloat 2013-6-8 18759 Modoc About 100 yards east of the Parking Area, near 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-BC58441  Descurainia sophia Isabelo T. Kelly 1930-1-1 29 Modoc Modoc County. Comment
  CAS-BOT-BC190759  Dicentra uniflora R. M. Austin; Bruce 1898-7-1 2154 Modoc Mt. Bidwell. Comment
  CAS-BOT-BC190761  Dicentra uniflora Bruce Bartholomew; Barrett Anderson 1988-5-13 4158 Modoc 4 km NW of Pepperdine, gentle W facing slope near top of the Warner Mts.. 1760 Comment
  UCR92844  Dichelostemma multiflorum Kathy Harper, Dane Karr 1994-6-16 s.n. Modoc Calif. Hwy 139 between Lookout-Hackamore Road and US Hwy 299 1340 Comment
  HSC81136  Dieteria canescens var. canescens G. M. Riegel 1980-9-3 1132 Modoc South Warner Mountains 1739 Comment
  CHSC97928  Dieteria canescens var. shastensis G. D. Barbe 1991-8-27 4438 Modoc In loose pumice at roadside, Hwy 395, 7.3 mi northeast of Alturas, northeast of Chimney Rock. N. Fk Pitt River. 1402 Comment
  SEINET7845829 Image available Dieteria canescens var. shastensis M. S. Baker 1893-1 s.n. Modoc Egg Lake Comment
  CAS-BOT-BC14847  Dimeresia howellii Dean William Taylor; G. L. Clifton 1987-6-27 9081 Modoc Warner Mts., Deep Creek. 1584 Comment
  CAS-BOT-BC234452  Diplacus nanus M. M. Hanna 1956-6-7 s.n. Modoc Junction Highway 139 and Glass Mt. Road. Comment
  CAS-BOT-BC234489  Diplacus nanus Bruce Bartholomew 1991-5-24 5728 Modoc 2.9 km NE of road between Fort Bidwell and Fee Reservoir on road to Big Mud Lake. 1680 Comment
  CAS-BOT-BC234500  Diplacus nanus Fred D. Douthitt 1916-5-11 18 Modoc Near Flournoy Swale. 1524 Comment
  CHSC57235  Diplacus nanus David M. Thompson 1988-6-2 926 Modoc 8 1/2 air mi NNE of Adin. 0.2 mi W of campground loop road of Upper Rush Creek Campground; ca. 2 mi E of Hwy 139-299. 1600 Comment
  CHSC118305  Diplacus pygmaeus L. P. Janeway 2016-5-18 12067 Modoc Modoc Plateau. Devils Garden area; Island Meadow, along Road 47N08 2.1 road-km north of Road 73/181/47N09. 1606 Comment
  CAS-BOT-BC248374  Distichlis spicata Isabel T. Kelly 1930-1-1 59 Modoc Fort Bidwell Comment
  CAS-BOT-BC218293  Dodecatheon alpinum Leland S. Smith 1918-6-23 958 Modoc High Grade. 2346 Comment
  CHSC70476  Dodecatheon alpinum A. Sanger 1997-6-22 2534 Modoc North Fitzhugh Creek where the road to the spring dead-ends. 2048 Comment
  UC640440  Dodecatheon alpinum Elmer I. Applegate 1932-8-7 8228 Modoc along mossy stream at Lily Lake Warner Mountains, , Lily Lake (Bidwell Pass) Comment
  SEINET8552726  Dodecatheon alpinum M. J. Williams 1984-6-29 84- 71 -4 Modoc W side of Warner Mountains, Lily Lake. 2073 Comment
  RSA149073  Dodecatheon alpinum subsp. majus I. L. Wiggins, Dorothy B. Wiggins 1961-6-14 16483 Modoc 6.4 mi. S of Lassen Creek Campground along road to Buck Mtn, Warner Mtns. Comment
  CAS-BOT-BC218274  Dodecatheon conjugens var. conjugens C. C. (Mrs.) Bruce 1898-6-1 2302 Modoc Lake City Mts. Comment
  CAS-BOT-BC218270  Dodecatheon ellisiae Bruce Bartholomew; M; M. Gilbert; L. E. Skog 1993-5-10 6429 Modoc 5 km NE of Davis Creek on road to Plum Valley Campground. 1700 Comment
  CHSC77227  Dodecatheon pulchellum G. S. Batholomew 1998-6-4 2725 Modoc Island meadow on Devils Garden area. 1615 Comment
  CAS-BOT-BC95108  Downingia bacigalupii Bruce Bartholomew 1989-7-14 4964 Modoc Survice Gulch ca. 3 km NE of Egg Lake. 1340 Comment
  CHSC112758  Downingia bacigalupii Lowell Ahart; John Dittes 2013-7-24 18916 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
  UC102235  Downingia bacigalupii Mrs. R. M. Austin Jul 1894 Modoc Goose Lake Valley Comment
  UC1191989  Downingia bacigalupii Herbert L. Mason and Verne Grant 1947-7-12 13414 Modoc s of Alturas (near s end of w side road); Pit River Valley Comment
  CAS-BOT-BC95120  Downingia bacigalupii Leland S. Smith 1919-7-1 1136 Modoc Rocky Prairie-Clark's Cattle Camp. Comment
  JEPS14499  Downingia bicornuta var. bicornuta Milo S. Baker 1893-6 Modoc Egg Lake Comment
  JEPS108487  Downingia bicornuta var. bicornuta Lisa Schultheis 1996-6-29 311 -96 Modoc W of Goose Lake. On county Rd. 73 towards Crowder Flat, about 18 miles from Rt. 299. Comment
  JEPS14474  Downingia cuspidata Milo S. Baker 1893-6-18 Modoc Egg Lake Comment
  JEPS79128  Downingia cuspidata L. R. Heckard with R. Bacigalupi 1980-6-10 5231 Modoc about 10 mi nw Lookout (along Great Northern Railroad grade) Comment
  SBBG30548  Downingia elegans D. Myrick 1968-6-20 1984 Modoc Airport Rd, 7 mi N of Alturas 1524 Comment
  CAS-BOT-BC58287  Draba albertina Bruce Bartholomew 1994-7-2 6802 Modoc 5.5 km SE of Forest Service road 30 on road towards Bald Mountain, E side of the Warner Mts. 2230 Comment
  UC748102  Draba albertina Annie M. Alexander and Louise Kellogg 1946-8-3 5112 Modoc head of Eagle Creek Warner Mountains, Eagle Creek Comment
  CAS-BOT-BC58553  Draba densifolia Annie Montague Alexander; L. Kellogg 1946-8-9 5142 Modoc Squaw Peak, Patterson Lake Trail, Warner Mts. Comment
  CHSC117845  Draba verna L. P. Janeway 2016-5-16 11982 Modoc Modoc Plateau. Devils Garden area; along Road 46N07 1.8 road-km south of Road 181/73/47N09. 1573 Comment
  UCR87535  Draba verna George K. Helmkamp, E. A. Helmkamp 1993-5-4 s.n. Modoc 35.6 miles NW of Canby along Calif. Hwy 139 1280 Comment
  CHSC114013  Dracocephalum parviflorum B. Castro; L. P. Janeway 2014-6-7 2028 Modoc Warner Mtns. East side of crest of Warner Mountains 1.1 mi E of Cedar Pass, 1.1 mi N of Hwy 299 along Stough Reservoir Rd (USFS Rd 43N07) ca 0.4 mi E of Stough Reservoir. 1959 Comment
  CAS-BOT-BC214766  Drymocallis glandulosa John Thomas Howell 1934-6-13 12073 Modoc Fandango Pass, Warner Mts. Comment
  JEPS47207  Drymocallis glandulosa var. reflexa Frances D. Payne 1931-6-18 190 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  CAS-BOT-BC14804  Dugaldia hoopesii Annie Montague Alexander; L. Kellogg 1946-7-7 4950 Modoc Eight Mile Creek, northeast corner of county 1752 Comment
  CHSC99956  Dysphania ambrosioides Lowell Ahart; John Dittes 2008-8-25 15322 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
  CAS-BOT-BC14808  Eatonella nivea Bruce Bartholomew 1991-5-24 5722 Modoc NE end of Surprise Valley, 6.5 km E of Fort Bidwell on road to Fee Reservoir. 1500 Comment
  CHSC100431  Echinochloa crus-galli Lowell Ahart; John Dittes 2008-8-25 15314 Modoc On the east bank of the Pit River (flood plain), about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout. 1273 Comment
  CHSC70776  Echinochloa crus-galli A. Sanger 1997-9-23 2658 Modoc Willow Creek 1 mile east of Clear Lake. In meadow along creek. 1371 Comment
  JEPS123977  Elatine Lowell Ahart, John Dittes 2015-7-15 20353 Modoc Ash Creek State Wildlife Area, about 3.9 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. Comment
  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
  RSA210825  Elatine gracilis R. F. Thorne, C. W. Tilforth, K. Thorne 1969-9-4 39055 Modoc 2 mi W of Davis Creek (town), S of Goose Lake. 1433 Comment
  CHSC117248  Elatine rubella Lowell Ahart; John Dittes 2016-7-16 21246 Modoc Strand of the secnd 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
  UC1101534  Elatine triandra Herbert L. Mason 1947-8-8 13472 Modoc nw Alturas (sw margin of Big Sage Reservior) Comment
  UC190419  Eleocharis bella M. S. Baker and Frank Nutting 1894-8-20 Modoc Forestdale 1371 Comment
  RSA210800  Eleocharis bella Robert F. Thorne, James Henrickson, C. W. Tilforth 1969-9-4 38112 Modoc On muddy spit and shore of N Fork of Pit River 3.4 mi. N of Alturas where crossed by Highway 395. 1341 Comment
  UC1100602  Eleocharis engelmannii var. detonsa Herbert L. Mason 1947-8-13 13525 Modoc N of Canby, NE side of F reservoir Comment
  UC1830  Eleocharis macrostachya Milo S. Baker 1893-7-27 Modoc Comment
  JEPS123835  Elodea canadensis Lowell Ahart, John Dittes 2015-7-17 20398 Modoc Ash Creek State Wildlife Area, about 3/4 mile south of County Road B7, about 2.7 miles (air) west of Adin, about 9.1 miles (air) northeast of Bieber. Adin USGS 7.5' Topographic Quadrangle. Comment
  CAS-BOT-BC247762  Elymus Leland S. Smith 1924-5-31 s.n. Modoc Egg Lake near south end - Modoc National Forest Comment
  UC803917  Elymus G. L. Stebbins Jr. with P. Dansereau, C. McMillan, and K. Narayan 1949-8-7 4011 Modoc 35 mi s Tule Lake; Mud Lake 1524 Comment
  UC1025062  Elymus X macounii Leo Whitney 1935-7-21 3564 Modoc 15 mi w Canby; Modoc National Forest, Happy Camp 1463 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
  CAS-BOT-BC247741  Elymus elymoides subsp. elymoides Bruce Bartholomew; Barrett Anderson 1990-7-20 5478 Modoc 10.3 km N of Buck Creek Ranger Station, crest of Warner Mountains W side of Warner Mts. 2130 Comment
  UC1024983  Elymus elymoides subsp. elymoides Leo Whitney 1935-7-5 3409 Modoc near Hackamore (ca 15 mi nw of Canby); Modoc National Forest 1463 Comment
  HSC10950  Elymus elymoides var. elymoides R. C. Wunner 1965-6-22 250 Modoc Lava Beds N. M., 1/2 mi. N of Canby Cross. 1220 Comment
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Aug 20 2013
  HSC80814  Elymus glaucus G. M. Riegel 1979-9-1 744 Modoc S Warner Mtns. 509 Comment
  UCD32708  Elymus glaucus Beecher Crampton 1954-7-7 2136 Modoc Modoc County, west side of Cedar Pass. Comment
  UCD61695  Elymus glaucus Beecher Crampton; Carl Rimbey 1954-7-6 2107 Modoc 20 miles E of Alturas. Warner Mountains. Above Shields Creek. Comment
  JEPS73991  Elymus glaucus subsp. glaucus Frances D. Payne 1932-7-18 709 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  CAS-BOT-BC247733  Elymus lanceolatus subsp. lanceolatus Bruce Bartholomew; Barrett Anderson 1990-7-19 5400 Modoc Turner Creek at County Rd 90, N end of Big Valley, 6.4 km N of Lassen County border. 1230 Comment
  UC1025027  Elymus trachycaulus Leo Whitney 1935-7-21 3528 Modoc Pit River Comment
  JEPS119965  Elytrigia repens Lowell Ahart, John Dittes 2012-7-12 18377 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. Comment
  JEPS73938  Elytrigia repens Frances D. Payne 1932-7-14 685 Modoc s and e Alturas; Warner Mountains, Parker Creek, Porter Ranch 1524 Comment
  CAS-BOT-BC217290  Enemion stipitatum Bruce Bartholomew 1993-4-6 6417 Modoc Little Hot Spring Valley ca. 3 km NW of Day. 1060 Comment
  HSC16363  Epilobium anagallidifolium M. T. Milligan 1966-7-5 557 Modoc E of Jess Valley 1829 Comment
  CAS-BOT-BC191033  Epilobium angustifolium subsp. circumvagum Bruce Bartholomew 1991-7-6 5971 Modoc 0.8 km NE of Curtis Waterhole. 1310 Comment
  RSA563314  Epilobium brachycarpum Bruce Bartholomew 1989-7-15 4998 Modoc Sweagert Flat 1860 Comment
  UC1191618  Epilobium campestre Verne Grant and Irving Schneider 1947-7-29 8177 Modoc s Alturas; Payne Reservoir Comment
  SJSU9667  Epilobium campestre W. Savage 1979-7-9 1511 .5 Modoc by ranch house Round Valley, Triangle, Devils Garden District, Modoc National Forest 1493 Comment
  CDA38072  Epilobium ciliatum subsp. ciliatum T. C. Fuller 1958-7-8 s.n. Modoc Corporation Ranch, Likely. 0 Comment
  CAS-BOT-BC190985  Epilobium ciliatum subsp. glandulosum Bruce Bartholomew 1989-8-11 5072 Modoc Along Lassen Creek near SE side of Harris Flat, Warner Mountains. 1920 Comment
  CAS-BOT-BC190987  Epilobium ciliatum subsp. glandulosum Bruce Bartholomew 1989-8-11 5103 Modoc Vicinity of Patterson Ranger Station, S end of Warner Mountains. 2160 Comment
  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
  JEPS114430  Epilobium densiflorum Lowell Ahart, John Dittes 2008-8-26 15341 Modoc On the bottom of Rose Creek, 550 feet southwest of confluence of Rose Creek and Pit River, on the northwest side of unnamed road,, 2860 feet east of intersection with County Road 85a, 9.3 miles (air) north-northeast of Lookout 1276 Comment
  JEPS31480  Epilobium densiflorum Frances D. Payne 1933-8-5 770 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  HSC12280  Epilobium densiflorum Richard Spjut 1970-7-20 861 Modoc 2 mi. E of Alturas, across the road from the wildlife refuge entrance Comment
  CAS-BOT-BC190966  Epilobium hallianum Elmer Ivan Applegate 1932-8-2 8076 Modoc Mill Creek Meadows, western slope of Warner Mts. Comment
  POM37841  Epilobium hallianum R. M. Austin 1895-07 510 Modoc Goose Lake Valley. Comment
  UC748413  Epilobium hallianum Annie M. Alexander and Louise Kellogg 1946-6-30 4873 Modoc Highgrade Warner Mountains (w side of ridge, n end of mts.) 2377 Comment
  UC201727  Epilobium hallianum W. P. Taylor and H. C. Bryant 1910-7-13 Modoc head N. Fork Parker Cr. Warner Mountains (near stream) 2225 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-BC190945  Epilobium obcordatum Bruce Bartholomew 1995-7-31 7080 Modoc 2.4 km from Forest Service road 46N30 on road towards Bald Mountain, E side of the Warner Mts. 2150 Comment
  CAS-BOT-BC190947  Epilobium obcordatum Bruce Bartholomew 1990-8-4 5630 Modoc Crest of the Warner Mts., ca. 0.5 km SE of Patterson Lake along Summit Trail. 2770 Comment
  CAS-BOT-BC190948  Epilobium obcordatum Bruce Bartholomew 1995-8-1 7160 Modoc Bidwell Mtn., E side of the Warner Mountains. 2150 Comment
  HSC16224  Epilobium pygmaeum M. T. Milligan 1964-8-21 234 Modoc S end of Dorris Reservoir Dam 1372 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-BC190860  Epilobium torreyi Bruce Bartholomew 1994-7-1 6748 Modoc 7.6 km NW of County Road 91 between Lookout and Lookout Jct. on County road 93. 1280 Comment
  CHSC111399  Epilobium torreyi Lowell Ahart; John Dittes 2012-7-11 18350 Modoc Normal size plants, on dry bare soil, dry edges of ponds, about 1/2 mile southeast of the Pilot Butte Parking Lot, north edge of Ash Creek floodplain, about 1.5 miles (air) south of County Road 87, about 7.5 miles (air) west of Adin, about 10.2 miles (air) east of Lookout, Big Valley. 1260 Comment
  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
  JEPS127319  Equisetum laevigatum Lowell Ahart, John Dittes 2016-7-14 21211 -B Modoc South of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. Comment
  CAS-BOT-BC95476  Eremogone aculeata Mrs. H. C. Cantelow 1940-6-1 3440 Modoc Cedar Pass, Warner Mts., E of Alturas. Comment
  CAS-BOT-BC95479  Eremogone aculeata Alice Eastwood; John Thomas Howell 1940-6-12 8106 Modoc W side of Cedar Pass. Comment
  CHSC118084  Eremogone aculeata L. P. Janeway 2016-5-16 12004 Modoc Modoc Plateau. Devils Garden area; along Road 46N02 3.4 road-km south-southeast of Road 47N09/73/181; about 5.2 air-km north of Crowder Mtn Reservoir. 1570 Comment
  CHSC118092  Eremogone aculeata L. P. Janeway 2016-5-19 12096 Modoc Modoc Plateau. Devils Garden area; along Crowder Flat Road (Road 73/48N08) 1.8 road-km south of Road 73/181/47N09; about 1.8 air-km south-southeast of Janes Reservoir. 1548 Comment
  HSC80716  Eremogone aculeata G. M. Riegel 1978-8-18 112 Modoc S Warner Mtns. 1829 Comment
  RSA0057647  Eremogone congesta var. suffrutescens Christopher Davidson 1973-5-26 2130 Modoc 4 miles W of Canby on Hwy 299. 1341 Comment
  UC76032  Ericameria bloomeri Milo S. Baker Modoc Forestdale Comment
  RSA606145  Ericameria greenei L. C. Wheeler 1935-8-14 3854 Modoc Lily Lake, Pine Creek, Warner Mts. 2134 Comment
  CAS-BOT-BC14820  Ericameria greenei Annie Montague Alexander; L. Kellogg 1946-8-9 5132 Modoc Patterson Lake Trail, Warner Mountains Comment
  CAS-BOT-BC287484  Ericameria greenei Roxana S. Ferris; Laura Lorraine 1941-8-14 10618 Modoc Summit of Fandango Pass, on road between Fort Bidwell and Pine Creek, Warner Mts, Modoc National Forest 1889 Comment
  UC193100  Ericameria nauseosa var. oreophila Mrs. R. M. Austin 1894-8-1 Modoc n of Alturas Comment
  HSC5328  Ericameria nauseosa var. speciosa M. T. Milligan 1966-7-28 598 Modoc E slope eroded volcanic plateau 1677 Comment
  HSC5354  Ericameria nauseosa var. speciosa M. T. Milligan 1966-8-3 640 Modoc W slope of Eagle Peak 2439 Comment
  UC990714  Ericameria nauseosa var. speciosa Roxana S. Ferris 1951-9-14 12464 Modoc between Adel, Oregon and Fort Bidwell (at California State line, e face of Warner Mountains); Warner Mountains Comment
  CAS-BOT-BC42839  Erigeron austiniae John Thomas Howell 1934-6-30 12262 Modoc Duncan Horse Camp. 1355 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
  CAS-BOT-BC42807  Erigeron bloomeri var. bloomeri M. M. Hanna 1956-6-3 s.n. Modoc Hiway between Alturas & Cedarville, Calif. Comment
  CAS-BOT-BC42813  Erigeron bloomeri var. bloomeri Roxana S. Ferris; Rena P. Duthie 1919-6-14 67 Modoc Above Parker Creek, at Modoc National Forest boundary Comment
  CAS-BOT-BC42844  Erigeron bloomeri var. bloomeri Bruce Bartholomew 1990-6-16 5277 Modoc Bear Flat, W side of Warner Mountains. 1830 Comment
  CAS-BOT-BC42848  Erigeron bloomeri var. bloomeri Mrs. H. C. Cantelow 1940-6-1 Modoc 10.2 mi E of Alturas. 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
  RSA164349  Erigeron compositus Clare B. Hardham 1961-6-19 7889 Modoc Road from Mount Bidwell to Dismal Creek 2439 Comment
  UC748389  Erigeron compositus Annie M. Alexander and Louise Kellogg 1946-8-1 5103 Modoc crest of divide Eagle Peak 3019 Comment
  UC31482  Erigeron coulteri Mrs. C. C. Bruce 1898-7-1 2314 Modoc head Davis Creek Comment
  SBBG8090  Erigeron divergens H. and M. Dearing 1939-6-7 3571 Modoc near Adin Comment
  JEPS5928  Erigeron divergens Frances D. Payne 1931-6-11 144 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  CAS-BOT-BC42790  Erigeron eatonii var. plantagineus Barrett Anderson 1986-7-9 3168 Modoc Stough Reservoir Road, just E of Cedar Pass near Stough Reservoir, Warner Mountains 1965 Comment
  CHSC117858  Erigeron eatonii var. plantagineus L. P. Janeway 2016-5-16 11991 Modoc Modoc Plateau. Devils Garden area; along Road 47N07 1.8 road-km south of Road 181/73/47N09. 1573 Comment
  POM301767  Erigeron eatonii var. plantagineus Marion Ownbey, Fred G. Meyer 1940-7-1 2144 Modoc Cedar Peak, Warner Mountains. Comment
  POM357577  Erigeron eatonii var. plantagineus Christopher Davidson 1973-5-26 2139 Modoc 1 mile N of Adin Summit on St. Hwy 299; Modoc Nat'l Forest 1524 Comment
  SD131996  Erigeron eatonii var. plantagineus Barbara Ertter 1988-6-18 7628 Modoc Highway 139, 14.5 miles eastnortheast of junction of Highway 299 at Canby; north of Bessler Reservoir. 1465 Comment
  UC444441  Erigeron eatonii var. plantagineus Mrs. R. M. Austin and Mrs. Bruce July 1898 2311 Modoc Lake Shore Comment
  UC76015  Erigeron eatonii var. plantagineus Milo S. Baker 1893-1 Modoc Forestdale Comment
  RSA14492  Erigeron elegantulus Elmer I. Applegate 1929-6-24 5891 Modoc Between Alturas and Davis Creek. Comment
  CAS-BOT-BC42771  Erigeron filifolius John Thomas Howell 1934-6-12 12014 Modoc Between Davis Creek and Plum Valley. Comment
  CAS-BOT-BC42775  Erigeron filifolius Bruce Bartholomew 1989-7-15 5009 Modoc Manzanita Lookout, top of Manzanita Mountain. 2130 Comment
  CAS-BOT-BC49630  Erigeron filifolius John Thomas Howell 1934-6-12 12014 Modoc Between Davis Creek and Plum Valley. 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-BC49617  Erigeron glacialis var. glacialis Elmer Ivan Applegate 1932-7-9 7593 Modoc N slope of Bidwell Mountain, Warner Mountains Comment
  CHSC111996  Erigeron glacialis var. glacialis B. Castro; L. P. Janeway 2008-8-17 1751 Modoc Warner Mountains. North slope of Bald Mountain; mid-slope below upper edge of last row of trees, in upper feeders to S. Fork Mill Creek. 2305 Comment
  JEPS103178  Erigeron glacialis var. hirsutus G. Schoolcraft 2000-7-18 2921 Modoc Near Dismal Swamp in N Warner Mountains 2209 Comment
  CAS-BOT-BC49601  Erigeron linearis Annie Montague Alexander; L. Kellogg 1946-6-10 4719 Modoc Lava bench between Lower and Snake Lakes, slope facing Lower Lake Comment
  CAS-BOT-BC49603  Erigeron linearis Bruce Bartholomew; Barrett Anderson 1989-6-2 4825 Modoc 9.7 km E of Eagleville at the California state border, E side of Surprise Valley. 1550 Comment
  CAS-BOT-BC49605  Erigeron linearis Bruce Bartholomew; Barrett Anderson 1989-6-2 4802 Modoc 6.4 km E of Fort Bidwell on road to Fee Reservoir, NE corner of Surprise Valley. 1460 Comment
  CAS-BOT-BC49642  Erigeron linearis M. M. Hanna 1956-6-4 945 Modoc Cedar Pass, lava mesa along highway to Cedarville. Comment
  CHSC66996  Erigeron linearis James D. Jokerst 1987-5-14 2873 Modoc Radar Survey Site S of Doublehead Mtn., S of Clear Lake Reservoir, E and adjacent to SW-NE oriented fence. 1348 Comment
  UC87553  Erigeron linearis Mrs. R. M. Austin Jun 1894 260 Modoc Lava Beds Comment
  OBI49208  Erigeron linearis Lewis S. Rose 1940-6-12 40538 Modoc 6 mi NE of Alturas 1341 Comment
  UC31504  Erigeron linearis Mrs. R. M. Austin Jun 1894 Modoc lava beds e Emigrant Springs Comment
  UC71827  Erigeron linearis Mrs. M. H. Manning Jun 1 1904-Jul 1 1904 469 Modoc slopes above Alkali Lake (ne Modoc County) Comment
  CDA35644  Erigeron peregrinus J. R. Keck Jr. 1985-7-11 PDR# 237700 Modoc Davis Creek, Modoc National Forest. Comment
  UC647930  Erigeron philadelphicus var. philadelphicus Bud Fuller 1936-7-10 37 Modoc 15 mi ne Alturas Comment
  CAS-BOT-BC497213  Eriogonum baileyi Gladys L. Smith; Margaret Williams; Loring Williams; Charles Smith 1983-9-13 8371 Modoc Adin Pass, Rte. 299 1574 Comment
  JEPS126552  Eriogonum douglasii var. meridionale Lowell Ahart, John Dittes 2016-6-6 20950 Modoc About 50 yards southwest of the intersection of County Road 87 and Access Road to Pilot Butte Parking Area, northeast base of Pilot Butte, 3.8 miles (air) east of Lookout, 7.5 miles (air) west of Adin, Ash Creek State Wildlife Area. Comment
  CHSC109516  Eriogonum elatum var. elatum L. P. Janeway; B. Castro 2012-7-25 10994 Modoc Warner Mountains. Low broad ridge 1.1 km east of Dismal Swamp. 2250 Comment
  POM105620  Eriogonum elatum var. elatum R. M. Austin 1895-08 435 Modoc Goose Lake Valley. Comment
  CAS-BOT-BC197813  Eriogonum heracleoides var. heracleoides Elmer Ivan Applegate 1932-8-5 8177 Modoc Arid summit of Cedar Mountain, Warner Mts. Comment
  JEPS56884  Eriogonum heracleoides var. heracleoides W. L. Jepson 1918-8-13 7965 Modoc Eagle Peak Warner Mts., Eagle Peak 3017 Comment
  UC585249  Eriogonum heracleoides var. heracleoides E. B. Babcock, G. L. Stebbins Jr. 1936-6-9 1816 Modoc about 3 mi w Cedarville; Warner Mountains, Cedar Creek Canyon Comment
  NY572521  Eriogonum microthecum var. ambiguum B. M. Bartholomew 1991-8-5 6054 Modoc Summit Trail between Squaw Peak and Cottenwood Lake, crest of the Warner Mountains. 2530 Comment
  UC6380  Eriogonum nudum var. oblongifolium Milo S. Baker 1893-7-20 Modoc 1371 Comment
  CAS-BOT-BC211439  Eriogonum nudum var. pubiflorum Elmer Ivan Applegate 1932-8-1 7995 Modoc N of Mill Creek Meadow, Warner Mts. Comment
  CAS-BOT-BC211442  Eriogonum nudum var. pubiflorum Noel Herman Holmgren; J. L. Reveal 1964-8-21 1717 Modoc About 5 miles SW of Eagleville on the Eagleville-Likely Road. Modoc National Forest, Warner Range Comment
  SEINET11261581  Eriogonum nudum var. pubiflorum Stanley L. Welsh, N. Duane Atwood 2001-6-14 28160 Modoc Along Hwy 395. Ca 6 mi s of Alturas.; 0 Comment
  UCD100701  Eriogonum nudum var. pubiflorum Johnnie L. Gentry Jr.; Earl Jensen Jr. 1968-7-4 2114 Modoc 3.9 miles west of Hwy. jct. CA-139 and CA-299, on CA-299 at Pit River. 1341 Comment
  NY762341  Eriogonum nudum var. pubiflorum B. M. Bartholomew 1988-6-23 4245 Modoc 4.2 km northwest of Day. Fall River Mills 15' Quad. Comment
  SEINET11261515  Eriogonum nudum var. pubiflorum James L. Reveal, Mark L. Reveal 1975-8-14 3947 Modoc Along California Highway 139-299. 1.2 miles southeast of Adin Summit, about 10.5 miles north of Adin and about 31.5 miles southwest of Alturas.; 0 Comment
  JEPS56563  Eriogonum prociduum Frances D. Payne 1931-6-29 280 Modoc Trail from Granger Pass to Mt. Warren; Warner Mountains 2438 Comment
  UC1395201  Eriogonum prociduum James L. Reveal 1971-6-22 2462 Modoc along US 395 3.5 mi n junction with California Highway 299 (1.2 mi n of Chimney Rock Turnoff) 1402 Comment
  JEPS56345  Eriogonum spergulinum var. reddingianum W. L. Jepson 1918-8-7 7871 Modoc Mt. Bidwell 2377 Comment
  CHSC112343  Eriogonum sphaerocephalum L. P. Janeway; B. Castro 2014-6-2 11280 Modoc Great Basin. Along County Road 5 1.0 km west of the southwest corner of Cow Head Lake. 1627 Comment
  HSC81010  Eriogonum sphaerocephalum G. M. Riegel 1978-6-26 30 Modoc S Warner Mtns. 1739 Comment
  RSA554799  Eriogonum sphaerocephalum M. J. Williams 1988-5-30 88- 26 -9 Modoc Jess Valley, E of Likely, S of roadside rest. 1524 Comment
  CAS-BOT-BC211378  Eriogonum sphaerocephalum var. halimioides M. M. Hanna 1956-6-7 1018 Modoc Highway 139 between Cranby and Tienesta. Comment
  CAS-BOT-BC211381  Eriogonum sphaerocephalum var. halimioides Bruce Bartholomew; Barrett Anderson 1990-7-19 5393 Modoc Turner Creek at County Rd 90, N end of Big Valley, 6.4 km N of Lassen County border. 1230 Comment
  CAS-BOT-BC211392  Eriogonum sphaerocephalum var. halimioides Barrett Anderson 1986-7-9 3159 Modoc Warner Mts, Hwy 299 just W of Cedar Pass. 1920 Comment
  CAS-BOT-BC211420  Eriogonum sphaerocephalum var. halimioides K. Paulson; Robert Paulson 1989-6-14 134 Modoc Ca. 1.5 mi. NE of Cedar Pass, Warner Mts. 1920 Comment
  CAS-BOT-BC211424  Eriogonum sphaerocephalum var. halimioides F. Angwin 1946-6-1 Modoc Adin. 1371 Comment
  JEPS119668  Eriogonum sphaerocephalum var. halimioides Lowell Ahart, John Dittes 2012-7-11 18344 Modoc About 1/2 mile southeast of the Pilot Butte Parking Lot, north edge of Ash Creek floodplain, about 1.5 miles (air) south of County Road 87, about 7.5 miles (air) west of Adin, about 10.2 miles (air) east of Lookout, Big Valley. Comment
  RSA125288  Eriogonum sphaerocephalum var. halimioides Peter H. Raven, Otto T. Solbrig 1958-6-18 13317 Modoc Meadow in forest of Pinus Jeffreyi, along dirt road 8.8 mi. south of Happy Camp Guard Station, Modoc National Forest. Comment
  RSA739633  Eriogonum sphaerocephalum var. halimioides L. P. Janeway, B. Castro 2008-8-17 9575 Modoc Warner Mtns, 2.4km E of Bald Mtn, broad Saddle betw Daniels Creek and an unnamed northern branch of Soldier Creek. 2209 Comment
  UC1540241  Eriogonum sphaerocephalum var. halimioides Dean Wm. Taylor, Glenn L. Clifton 1987-6-27 9105 Modoc along Highway 395 about 3.5 mi n n junction with Highway 299 1371 Comment
  UC585152  Eriogonum sphaerocephalum var. halimioides E. B. Babcock, G. L. Stebbins Jr. 1936-6-9 1797 Modoc hill above Lake City 1515 Comment
  UC6459  Eriogonum sphaerocephalum var. halimioides M. S. Baker and Frank Nutting June 1894 Modoc near Egg Lake Comment
  HSC27355  Eriogonum sphaerocephalum var. sphaerocephalum D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19385 Modoc Along Hager Basin Rd. near Big Sage Reservoir. Comment
  CAS-BOT-BC211353  Eriogonum strictum subsp. anserinum Louis Cutter Wheeler 1935-8-5 3790 Modoc Pine Creek, Warner Mts. 2377 Comment
  CAS-BOT-BC211362  Eriogonum strictum subsp. anserinum Elmer Ivan Applegate 1936-7-5 10524 Modoc Lava Beds National Monument. Junction of Medicine Lake and Indian Cave Road. Comment
  UC849658  Eriogonum strictum var. anserinum C. L. Hitchcock 1940-5-27 6656 Modoc 9 mi ne Alturas 1402 Comment
  CAS-BOT-BC211375  Eriogonum umbellatum Bruce Bartholomew 1991-8-5 6069 Modoc Summit Trail between Squaw Peak and Cottenwood Lake along crest of Warner Mts. 2530 Comment
  HSC75595  Eriogonum umbellatum G. M. Riegel 1980-9-3 1134 Modoc S Warner Mtns. 1829 Comment
  HSC17346  Eriogonum umbellatum var. dichrocephalum M. T. Milligan 1964-6-17 46 Modoc 1 mi. N of Hwy. 139 on FS Rd. 44N15 1524 Comment
  CHSC109204  Eriogonum umbellatum var. modocense L. P. Janeway; B. Castro 2012-7-24 10962 Modoc Warner Mountains. Along Forest Road/County Road 2 (the road from New Pine Creek to Fort Bidwell) 1.0 air km west of Lily Lake and 1.4 air km northwest of Yellow Mountain. 1948 Comment
  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
  NY399210  Eriogonum umbellatum var. modocense J. L. Reveal 1971-6-22 2461 Modoc Along U.S. highway 395 at Davis Creek 1453.9 Comment
  CAS-BOT-BC197784  Eriogonum umbellatum var. nevadense Elmer Ivan Applegate 1932-7-9 7599 Modoc Bidwell Mountain, Warner Mts. Comment
  RSA165614  Eriogonum umbellatum var. nevadense Clare B. Hardham 1961-6-18 7540 Modoc Gravelly slopes. 3.2 mi. S. of Cedar Pass. 1829 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-BC197613  Eriogonum umbellatum var. polyanthum Bruce Bartholomew 1990-6-15 5246 Modoc Top of Manzanita Mountain in vicinity of Manzanita Lookout. 2130 Comment
  CAS-BOT-BC197779  Eriogonum umbellatum var. polyanthum Bruce Bartholomew 1989-7-15 5017 Modoc Manzanita Lookout, top of Manzanita Mountain. 2130 Comment
  POM105169  Eriogonum umbellatum var. polyanthum R. M. Austin 1895-07 434 Modoc Goose Lake Valley. 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
  HSC17397  Eriogonum vimineum M. T. Milligan 1964-8-8 222 Modoc 2 mi. W on Jones Lane at Westside Canal, from Hwy. 395 1372 Comment
  LA84252  Eriogonum vimineum O. H. Kappler; 1949-7-26 sn Modoc S of Alturas, along highway 395 1402 Comment
  SEINET5332129  Eriogonum vimineum J. Gentry Jr. 1968-7-4 2112 Modoc 15.2 miles northwest of Hwy. jct. Calif. 139 and Calif. 299, on Calif. 139. 1448 Comment
  CAS-BOT-BC49557  Eriophyllum lanatum John Thomas Howell 1934-7-1 12328 Modoc Duncan Horse Camp. 1355 Comment
  OBI49172  Eriophyllum lanatum var. achilleoides Lewis S. Rose 1940-6-13 40544 Modoc Surprise, NE of Alturas 1372 Comment
  RSA647565  Eriophyllum lanatum var. achilleoides Marion P. Harthill 1972-6-17 846 Modoc Cedar Pass 1921 Comment
  SBBG30613  Eriophyllum lanatum var. integrifolium D. Myrick 1968-6-20 1966 Modoc Cedar Pass Rd, St Hwy 299, 10 mi E of Alturas 1371 Comment
  CAS-BOT-BC180083  Erodium cicutarium Bruce Bartholomew; Barrett Anderson 1989-4-29 4662 Modoc W side of Upper Alkali Lake, 7 km S of of Fort Bidwell, Surprise Valley. 1370 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
  HSC94015  Eryngium alismifolium L. C. Wheeler 1935-8-21 3900 Modoc Devil's Garden: Pine Spring 1524 Comment
  JEPS117164  Eryngium alismifolium Lowell Ahart, John Dittes 2010-8-30 17063 Modoc About 5 yards east of the fence, south edge of the meadow, Ash Creek State Wildlife Area, 2,300 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley 1267 Comment
  CHSC71846  Eryngium articulatum Vernon H. Oswald; Lowell Ahart 1998-9-8 9589 Modoc County Rd. 93 adjacent to the RR at Lookout Junction northwest of Lookout; 1280 Comment
  POM133078  Eryngium articulatum M. S. Baker 1899-8-12 s.n. Modoc Egg Lake Comment
  RSA210855  Eryngium articulatum R. F. Thorne, C. W. Tilforth 1969-9-4 39059 Modoc 2 mi W of Davis Creek (town), S of Goose Lake. 1433 Comment
  SEINET516150  Eryngium articulatum Vernon H. Oswald 1998-9-8 9590 Modoc County Rd. 93 adjacent to the RR at Lookout Junction northwest of Lookout. 1280 Comment
  CAS-BOT-BC497204  Eryngium articulatum Louis C. Wheeler 1935-9-13 3985 Modoc Davil's Garden: Fletcher Creek at Pease Place 1524 Comment
  RSA125350  Eryngium mathiasiae P. H. Raven 1958-6-18 13322 Modoc Small lake at eastern outskirts of lookout Post Office Comment
  UC1510461  Eryngium mathiasiae Phil Leitner and Barbara Malloch 1983-7-16 Modoc near Double Head Mtn. (E of road at fenceline); Modoc National Forest Comment
  UC1510463  Eryngium mathiasiae Phil Leitner and Barbara Malloch 1983-7-17 Modoc near Double Head Mountain (N of road); Modoc National Forest Comment
  UC1487346  Eryngium mathiasiae Y. Sheikh and L. Constance 1973-6-27 551 Modoc 9.8 mi WNW of Canby; State Hwy 139; WWN of Canby, Modoc Co. Comment
  CAS-BOT-BC58572  Erysimum capitatum var. capitatum Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-15 16497 Modoc SE flank of Glass Mt., near Modoc-Siskiyou County line. Comment
  CAS-BOT-BC58336  Erysimum repandum Francis Dorris Payne 1932-5-27 410 Modoc Parker Creek. 1584 Comment
  CHSC114309  Erysimum repandum Carri Pirosko 2008-6-10 Modoc Alturas, Schluter Ranch, Pencil Rd. X HWY 395. Comment
  CAS-BOT-BC229915  Erythranthe arvensis Annie Montague Alexander; L. Kellogg 1946-6-18 4800 Modoc Patterson Mill-Silver Creek roads. 1828 Comment
  CAS-BOT-BC229902  Erythranthe breviflora Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10552 Modoc Patterson Ranger Station (East Creek drainage). 2164 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-BC229918  Erythranthe guttata Elmer Ivan Applegate 1932-7-31 7970 Modoc Mill Creek Meadows. Comment
  CHSC109289  Erythranthe lewisii L. P. Janeway; B. Castro 2012-7-28 11034 Modoc Warner Mountains. Along the major eastern tributary of Pine Creek where the road to Poison Lake crosses it (the road washed out here). Northwest-draining creek. 1938 Comment
  CAS-BOT-BC234463  Erythranthe primuloides K. Paulson; Robert Paulson 1988-6-29 63 Modoc Benton Meadow, Warner Mts.. 1676 Comment
  CAS-BOT-BC234470  Erythranthe pulsiferae K. Paulson 1978-6-24 s.n. Modoc Egg Lake. Comment
  CAS-BOT-BC234474  Erythranthe pulsiferae Bruce Bartholomew; Barrett Anderson 1989-6-3 4910 Modoc ca. 6 km NW of Egg Lake and ca. 0.8 km E of Service Flat Gulch. 1370 Comment
  CAS-BOT-BC234432  Erythranthe suksdorfii Bruce Bartholomew 1995-6-2 6947 Modoc About 0.3 km E of Barrel Spring road on road from Fort Bidwell to Fee Reservoir. 1510 Comment
  CHSC117246  Erythranthe suksdorfii Lowell Ahart; John Dittes 2016-7-16 21250 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
  NY68353  Eunanus austiniae R. M. Austin 1885-1 s.n. Modoc Comment
  CAS-BOT-BC218205  Euphorbia crenulata Leland S. Smith 1924-6-21 1426 Modoc Along Lava Trail, W Lava Ranger Station. Comment
  CAS-BOT-BC95713  Euphorbia serpillifolia Bruce Bartholomew 1991-8-4 6015 Modoc W side of Goose Lake, 10.5 km N of McGinty Point. 1460 Comment
  CAS-BOT-BC218208  Euphorbia spathulata Margaret J. Williams 1988-5-30 88- 26 -12 Modoc Jess Valley, E of Likely, S of roadside rest. Comment
  CAS-BOT-BC15167  Eurybia integrifolia Bruce Bartholomew 1989-8-12 5112 Modoc Middle Fork of Fitzhugh Creek along West Warner Road, W side of Warner Mountains. 1920 Comment
  UC71688  Euthamia occidentalis Mrs. M. H. Manning 1903-8-26 330 Modoc near Fort Bidwell; ne Modoc Co. Comment
  UCR163251  Festuca Jim Andre 1993-7-3 1424 Modoc Modoc Plateau, about 10 miles NW of Canby on Hwy 139, near NW end of Oak Ridge 1494 Comment
  UCR163260  Festuca Jim Andre 1993-7-2 1427 Modoc Modoc Plateau, about 10 miles NW of Canby on Hwy 139, near NW end of Oak Ridge 1494 Comment
  CHSC117227  Festuca idahoensis Lowell Ahart; John Dittes 2016-6-6 20941 Modoc About 20 yards west of the dirt road, about 50 yards southwest of the intersection of County Road 87 and Access Road to Pilot Butte Parking Area, northeast base of Pilot Butte, 3.8 miles (air) east of Lookout, 7.5 miles (air) west of Adin, Ash Creek State Wildlife Area. 1271 Comment
  UC1024985  Festuca idahoensis Leo Whitney 1935-7-5 3408 Modoc ca 15 mi nw Canby; Modoc National Forest, Hackamore 1463 Comment
  UCR133555  Festuca idahoensis A. A. Beetle 1941-6-29 2833 Modoc Near summit of Mt. Adin 1829 Comment
  JEPS69256  Festuca pratensis Leland S. Smith 1918-1 107 Modoc Comment
  UC1025016  Festuca rubra Leo Whitney 1935-7-12 3496 Modoc 10 mi w Canby; Cottonwood Flat Comment
  UCD32731  Festuca rubra Beecher Crampton 1954-7-8 2172 Modoc Warner Mountains, 15 miles east of Likely, along road to Jess Valley. 1676 Comment
  CAS-BOT-BC214652  Fragaria virginiana Leland S. Smith 1920-7-13 1179 Modoc Crowder Flat. 1402 Comment
  CAS-BOT-BC217076  Frangula rubra Bruce Bartholomew 1989-7-14 4969 Modoc E side of Lower Roberts Reservoir and ca. 3 km NNE of Lookout. 1300 Comment
  NY188598  Frasera albicaulis M. J. Williams 1988-5-28 88- 19 --4 Modoc Hwy 395, intersection with Davis Creek road. Comment
  CAS-BOT-BC191138  Fraxinus latifolia Leland S. Smith 1410 Modoc Modoc County. Comment
  CAS-BOT-BC242103  Fritillaria atropurpurea Leland S. Smith 1919-6-18 1130 Modoc Mill Creek. 2133 Comment
  HSC26679  Fritillaria atropurpurea D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-22 19309 Modoc Soup Springs Campground Comment
  UC615047  Fritillaria atropurpurea Beryl O. Schreiber 1934-6-10 1174 Modoc Warner Mountains, Lost Lake Lost Lake; Warner Mountains, Lost Lake Comment
  HSC77965  Fritillaria atropurpurea O. Ballantyne 1983-7-20 Modoc S Warner Mtn., Patterson Station 2134 Comment
  CHSC42209  Fritillaria pudica C. E. Laver 1986-3-26 Modoc Ca. 11.5 mi ne of Alturas and 1 mi sw of Thomes Creek. 1524 Comment
  HSC25436  Fritillaria pudica D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-22 19310 Modoc Soup Springs Campground Comment
  JEPS61944  Fritillaria pudica Mary H. Manning before Aug. 1918 Modoc Fort Bidwell Comment
  UC3662  Fritillaria pudica Mrs. R. M. Austin May, 1894 Modoc Goose Lake Valley; Northern California, Goose Lake Valley Comment
  CAS-BOT-BC225042  Galium aparine Bruce Bartholomew; Barrett Anderson 1989-6-3 4880 Modoc Boles Creek, ca. 5.5 km E of the SE corner of Clear Lake Reservoir. 1430 Comment
  UC416628  Galium aparine W. P. Taylor and H. C. Bryant 1910-6-26 Modoc Parker Creek Warner Mountains 1676 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-BC225061  Galium bifolium Bruce Bartholomew 1990-6-15 5243 Modoc Top of Manzanita Mountain in vicinity of Manzanita Lookout. 2130 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
  RSA520345  Galium bifolium Bruce Bartholomew, B. Anderson 1989-6-2 4842 Modoc Vicinity of Stough Reservoir, Warner Mtns. 1950 Comment
  UC416663  Galium bolanderi Milo S. Baker 1893-7-8 Modoc south hillside Comment
  HSC80868  Galium glabrescens subsp. modocense G. M. Riegel 1980-8-28 1100 Modoc S Warner Mtns., S Warner Wilderness Area 2676 Comment
  SD70497  Galium glabrescens subsp. modocense F. Ehrendorfer, G. L. Stebbins 1959-6-28 5909 Modoc Warner Mountains. Horse Mountain, near the top 2591 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
  JEPS6516  Galium mexicanum var. asperulum W. L. Jepson 1918-8-11 7943 Modoc Jess Valley 1584 Comment
  UC416661  Galium mexicanum var. asperulum Mrs. M. H. Manning 1904-7-9 488 Modoc John Henry Hill John Henry Hill (ne Modoc Co.) 2133 Comment
  UC71839  Galium serpenticum subsp. warnerense Mrs. M. H. Manning 1904-7-15 387 Modoc ne Modoc Co. Mt. Bidwell 2438 Comment
  CAS-BOT-BC225082  Galium trifidum subsp. columbianum Louis Cutter Wheeler 1935-8-1 3740 Modoc Dismal Swamp. 2225 Comment
  CHSC85401  Galium triflorum John Dittes; Josephine Guardino 1991-8-24 462 Modoc Modoc Plateau; Warner Mountains; west slope, ca. 8.2 air-miles east of Goose Lake, ca. 2.3 air-miles south of Dismal Swamp, ca. 1.6 air-mile west of Bidwell Mtn.; tributary of Bidwell Creek west of Highgrade Road. 2087 Comment
  SEINET3144597  Garrya fremontii E. K. Balls 1950-5-12 14652 Modoc Hillsides N of Bucks Creek Ranger Station, Modoc National Forest, E of Goose Lake 1859 Comment
  CAS-BOT-BC190838  Gayophytum diffusum subsp. parviflorum Elmer Ivan Applegate 1932-8-2 8064 Modoc Mill Creek Meadow, western slope of Warner Mts. Comment
  UC1191754  Gayophytum diffusum subsp. parviflorum Herbert L. Mason and Verne Grant 1947-7-10 13334 a Modoc 2 mi e Alturas; Dorris Reservoir Comment
  CAS-BOT-BC190835  Gayophytum heterozygum John Thomas Howell 1934-7-1 12313 Modoc Duncan Horse Camp. 1355 Comment
  SEINET4153138  Gayophytum racemosum D. A. Charlet 1989-8-15 508 Modoc Warner Mountains, 1.2 km northwest of Eagle Peak 2550 Comment
  CAS-BOT-BC190817  Gayophytum ramosissimum Elmer Ivan Applegate 1937-5-12 11084 Modoc Lyon road near north entrance, Lava Beds National Monument. Comment
  NY189520  Gentiana affinis B. M. Bartholomew 1989-8-12 5106 Modoc Ca. 3.2 airline miles W of Patterson Ranger Station on road to Jess Valley. 2060 Comment
  UC405416  Gentiana affinis var. ovata Mrs. R. M. Austin Aug., 1894 96 Modoc headwaters Lassen Creek Comment
  UC123659  Gentiana affinis var. ovata Milo S. Baker 1893-6 Modoc near bank McCloud R. Comment
  HSC81055  Gentianopsis simplex G. M. Riegel 1979-8-12 653 Modoc South Warner Mtns. 2100 Comment
  UC748254  Geranium viscosissimum Annie M. Alexander and Louise Kellogg 1946-7-3 4901 Modoc 5 mi w Fort Bidwell; Bidwell Creek Canyon Comment
  CAS-BOT-BC180069  Geranium viscosissimum Elmer Ivan Applegate 1897-6-4 864 Modoc Summit of pass between Pit River and Madeline Plain. Comment
  HSC8660  Geranium viscosissimum M. T. Milligan 1964-7-1 123 Modoc Howard's Gulch Campground on Hwy. 139 1372 Comment
  HSC8661  Geranium viscosissimum M. T. Milligan 1964-7-4 218 Modoc Lassen Creek above lower campground 1829 Comment
  HSC8671  Geranium viscosissimum M. T. Milligan 1964-6-25 88 Modoc Upper Lassen Creek 1829 Comment
  RSA647788  Geum macrophyllum Marion P. Harthill 1972-6-17 837 Modoc Cedar Pass, Modoc National Forest 1921 Comment
  CAS-BOT-BC214663  Geum triflorum Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-14 16480 Modoc Along Lassen Creek on road to Davis Creek, Warner Mts. Comment
  CAS-BOT-BC214674  Geum triflorum John H. Hatton 1911-6-10 17 Modoc Modoc County. 1767 Comment
  UC12260  Geum triflorum Mrs. R. M. Austin 1894-1 Modoc Northern California Comment
  RSA454454  Geum triflorum var. ciliatum Christopher Davidson 1973-5-26 2140 Modoc 1 mile N of Adin Summit on St. Hwy 299; Modoc Nat'l Forest 1524 Comment
  CAS-BOT-BC190694  Gilia inconspicua Elmer Ivan Applegate 1935-6-7 9395 Modoc Thomas Massacre area, Lava Beds National Monument. Comment
  CAS-BOT-BC190690  Gilia leptalea subsp. leptalea Bruce Bartholomew 1989-7-14 4944 Modoc ca. 8 km NE of Egg Lake and 2.5 km E of Survice Gulch. 1340 Comment
  NY964515  Gilia leptomeria var. micromeria B. M. Bartholomew 1990-6-17 5336 Modoc Surprise Valley, SE corner of Upper Alkali Lake. 1390 Comment
  CAS-BOT-BC190657  Gilia modocensis Elmer I. Applegate 1936-5-9 10259 Modoc Lave Beds National Monument, Hippo Butte. Comment
  RSA252379  Glyceria borealis R. F. Thorne, C. W. Tilforth 1969-9-5 39158 Modoc Wet mud at margin of Clear Lake. Warner Mountains, Modoc National Forest. 1768 Comment
  HSC10085  Glyceria striata M. T. Milligan 1966-7-5 560 Modoc Slopes and ridges E of Jess Valley 1768 Comment
  CAS-BOT-BC49574  Gnaphalium palustre Bruce Bartholomew; Barrett Anderson 1990-7-19 5431 Modoc Sweagert Flat. 1860 Comment
  UC1192121  Gnaphalium palustre Herbert L. Mason 1947-8-13 13521 Modoc ne side of F reservoir (n of Canby) Comment
  HSC5710  Gnaphalium palustre M. T. Milligan 1964-8-21 230 Modoc S end of Dorris Reservoir Dam 1372 Comment
  CAS-BOT-BC229887  Gratiola heterosepala Bruce Bartholomew 1991-7-6 5975 Modoc Curtis Waterhole and adjacent lava outcrops. 1310 Comment
  JEPS121225  Gratiola neglecta Lowell Ahart, John Dittes 2013-7-24 18917 Modoc N side of Ash Creek Floodplain, 0.54 air miles SE of Pilot Butte parking area, 1.1 air miles S of County Road 87, 6.8 air miles W of Adin, Big Valley. Comment
  JEPS21901  Gratiola neglecta Verne Grant and Irving Schneider 1947-7-18 8038 Modoc Eastside Canal s Alturas (5 mi n of Bayley's bridge); Eastside Canal Comment
  JEPS3605  Gratiola neglecta Herbert L. Mason and Verne Grant 1947-7-12 13393 Modoc off Highway 395 several mi s Alturas (irrigation ditch by Jones' Lane) Comment
  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
  UCR57481  Grindelia nana R. D. Goeden, Don W. Ricker 1989-8-23 890823- 14 Modoc Hwy 395, 4 mi NE of Alturas. 1345 Comment
  CAS-BOT-BC54094  Hackelia cusickii John Thomas Howell 1934-6-11 11960 Modoc Parker Creek, Warner Mountains 1584 Comment
  CAS-BOT-BC54098  Hackelia cusickii E. S. Willits 1940-5-20 278 Modoc Between Perez and Canby. Comment
  RSA565105  Hackelia cusickii D. W. Taylor 1992-5-7 12527 Modoc 0.5 miles E of Duncan Reservoir, on western rim of Black Canyon. 1524 Comment
  UCD77747  Hackelia cusickii Robert E. Preston 2000-6-2 1361 Modoc Modoc Plateau, along Hwy 139, ca. 2.5 mi e of Forest Service Road 44N11. 1493 Comment
  UCSB19844  Hackelia cusickii Hardham, Clare 1961-6-18 Modoc Hills 3 miles east of Cedar Pass 1828 Comment
  CAS-BOT-BC54056  Hackelia micrantha Francis Dorris Payne 1931-6-21 225 Modoc Ridge W of Deep Creek, Warner Mountains 1981 Comment
  SBBG28840  Hackelia micrantha C. L. Hitchcock 1940-5-27 6691 Modoc 15 mi NE of Alturas 1615 Comment
  HSC80930  Hackelia micrantha G. M. Riegel 1979-7-3 454 Modoc S Warner Mtns. 1670 Comment
  RSA644031  Hackelia micrantha Elaine Joyal, D. Mehlman 1988-6-28 1291 Modoc N. Warner Mts., ridge road. Comment
  RSA505417  Helianthus cusickii R. C. Bacigalupi 1957-6-28 5986 Modoc On road along US Hwy 299, 2 miles east of railroad crossing (S.P.) near Canby 1311 Comment
Read comments
Jul 31 2007
  UC32310  Helianthus nuttallii subsp. nuttallii Mrs. R. M. Austin 1894-9-1 Modoc n of Alturas (banks of Pit River); Pit River Comment
  CAS-BOT-BC54063  Heliotropium curassavicum Elmer Ivan Applegate 1897-6-7 901 Modoc E side of Tule Lake. Comment
  UC1555786  Heliotropium europaeum Gary Schoolcraft 1987-9-9 1777 Modoc along Ash Valley Rd. ca. 1/2 mi. e Adin 1280 Comment
  CAS-BOT-BC49379  Hemizonella minima R. M. Austin 1894-8-1 Modoc Sugar Loaf Hill. Comment
  CAS-BOT-BC49382  Hemizonella minima John Thomas Howell 1934-7-1 12312 Modoc Duncan Horse Camp, 6 mi. E of Perez. 1355 Comment
  CAS-BOT-BC21463  Heracleum lanatum Bruce Bartholomew 1995-7-31 7126 Modoc 6.3 km from Forest Service road 46N30 on Forest Service road 45N34, W side of Warner Mountains. 1920 Comment
  CAS-BOT-BC21465  Heracleum lanatum Bruce Bartholomew; Barrett Anderson 1990-7-20 5542 Modoc Buck Creek between Del Pratt Spring and Howard Flat, W side of Warner Mts. 1990 Comment
  UC71862  Hesperochiron californicus Mrs. M. H. Manning May, 1903 127 Modoc meadows near Fort Bidwell; n.e. Modoc Co. Comment
  CAS-BOT-BC180031  Hesperochiron pumilus Francis Dorris Payne 1932-7-1 659 Modoc Pine Creek Basin. Comment
  HSC6399  Hesperochiron pumilus M. T. Milligan 1964-5-9 35 Modoc 10 mi. N of Hwy. 139 on FS Rd. 44N15 1524 Comment
  UC26085  Hesperochiron pumilus Mrs. R. M. Austin 1894-1 Modoc Goose Lake Valley Comment
  CAS-BOT-BC179183  Hesperolinon micranthum Helen K. Sharsmith 1955-6-25 4506 Modoc N slope of Jess Valley. 1584 Comment
  UC1212250  Hesperolinon micranthum Helen K. Sharsmith 1955-6-25 4506 Modoc n slope Jess Valley; Warner Mountains, Modoc National Forest 1584 Comment
  CAS-BOT-BC179169  Hesperolinon micranthum Mrs. R. M. Austin 1894-8-1 Modoc Hills, Lassen Creek. Comment
  UC17268  Hesperolinon micranthum Mrs. R. M. Austin Aug., 1894 Modoc hills Lassen Creek 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-BC95147  Heterocodon rariflorum R. M. Austin 1894-8-1 Modoc Davis Creek. Comment
  UC54112  Heterotheca villosa var. minor H. M. Hall and E. B. Babcock 1903-6-21 4237 Modoc Lava Beds Sierra Nevada Mountains (sw Modoc County) 1219 Comment
  SEINET195678  Heuchera cylindrica Annie M. Alexander, L Kellogg 1946-7-29 5089 Modoc Warner Mountains; Head of Eagle Creek. Comment
  RSA468117  Heuchera cylindrica var. alpina Louis C. Wheeler 1935-8-7 3804 Modoc Pine Creek, Warner Mtns. 1555 Comment
  UC748230  Heuchera cylindrica var. ovalifolia Annie M. Alexander and Louise Kellogg 1946-7-23 5042 Modoc e slope Emerson Peak; Warner Mountains Comment
  JEPS27160  Heuchera cylindrica var. ovalifolia Lauramay T. Dempster 1961-6-19 1702 Modoc headwaters of the South Fork of Davis Creek (e of Davis Creek (town)) 2286 Comment
  CHSC70467  Hieracium albiflorum A. Sanger 1996-7-12 2417 Modoc Found along road 44N69, between 44N69C and 69B. 1975 Comment
  UC190587  Hieracium albiflorum M. F. Gilman 605 Modoc 1981 Comment
  SJSU9706  Hieracium scouleri W. Savage 1979-7-10 1526 Modoc Oregon Rim Unit, Devils Garden District, Modoc National Forest 1645 Comment
  CAS-BOT-BC180051  Hippuris vulgaris John Thomas Howell 1934-7-2 12353 Modoc Nigger Ben Spring, SE end of Clear Lake. Comment
  SBBG30537  Holmgrenia andina D. Myrick 1968-6-20 1980 Modoc Airport Rd, 7 mi N of Alturas 1524 Comment
  SEINET11915820  Holodiscus dumosus M. Ownbey, Meyer, F. G. 1940-1 2155 Modoc Cedar Park, Warner Mtns Comment
  SEINET195679  Holodiscus dumosus var. glabrescens Annie M. Alexander, Louise Kellogg 1946-7-23 5061 Modoc Emerson Peak, Warner Mountains Comment
  CAS-BOT-BC214689  Holodiscus microphyllus var. glabrescens Roxana Stinchfield Ferris; L. Lorraine 1941-8-14 10583 Modoc 3 mi. from Patterson Ranger Station on road to Eagleville, Warner Mts. Comment
  CAS-BOT-BC214693  Holodiscus microphyllus var. glabrescens K. Paulson; Robert Paulson 1991-8-10 252 Modoc Near Manzanita Lookout. 2065 Comment
  CAS-BOT-BC95207  Holosteum umbellatum subsp. umbellatum Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-12 6519 Modoc Ca. 1 km W of Aden on road to Lookout. 1280 Comment
  CAS-BOT-BC247679  Hordeum jubatum Herbert Louis Mason 1947-8-9 13478 Modoc E side of Fairchild Swamp, N of Alturas. Comment
  CAS-BOT-BC247680  Hordeum jubatum Louis Cutter Wheeler 1935-8-2 3743 Modoc Dismal Swamp. 2225 Comment
  UCD32722  Hordeum jubatum subsp. intermedium Beecher Crampton 1954-7-7 2160 Modoc 2.5 miles east of Alturas. Near Radio Station KCNO. Comment
  SBBG596  Hordeum marinum subsp. gussoneanum A. A. Beetle 1941-6-29 2839 Modoc near summit of Mt Adin 1828 Comment
  UCD85774  Hordeum marinum subsp. gussoneanum A. A. Beetle 1941-6-29 2839 Modoc Near summit of Mt. Adin. 1828 Comment
  CDA2196  Hordeum marinum subsp. gussoneanum Loring White 1953-3-11 Modoc 0 Comment
  CAS-BOT-BC214709  Horkelia fusca var. pseudocapitata R. M. Austin 1895-7-1 500 Modoc Willow Creek, Devil's Garden. Comment
  UC12373  Horkelia tridentata subsp. tridentata Milo S. Baker 1893-6-20 Modoc Comment
  CAS-BOT-BC58586  Hornungia procumbens Bruce Bartholomew 1991-5-24 5693 Modoc Surprise Valley, 5.1 km E of Eagleville. 1370 Comment
  CAS-BOT-BC181964  Hosackia crassifolia Bruce Bartholomew; Barrett Anderson 1988-7-21 4601 Modoc Above Upper Rush Creek Campground ca. 4 km E of State Highway 299 between Adin and Canby. 1580 Comment
  CAS-BOT-BC179319  Hydrophyllum capitatum var. alpinum Leland S. Smith 1919-6-1 1107 Modoc Deep Creek Ranger Station above pasture. 1524 Comment
  CAS-BOT-BC179320  Hydrophyllum capitatum var. alpinum Fred D. Douthitt 1916-4-24 6 Modoc So. Jess Valley. 1524 Comment
  CAS-BOT-BC180025  Hydrophyllum capitatum var. alpinum Bruce Bartholomew; M; M. Gilbert; L. E. Skog 1993-5-10 6433 Modoc 5 km NE of Davis Creek on road to Plum Valley Campground. 1700 Comment
  CAS-BOT-BC180028  Hydrophyllum capitatum var. alpinum E. S. Willits 1940-5-4 215 Modoc Willow Ranch. Comment
  HSC68926  Hydrophyllum capitatum var. alpinum Gary Schoolcraft 1980-4-29 208 Modoc Harper Hill N of Adin 1402 Comment
  RSA77052  Hydrophyllum capitatum var. alpinum F. W. Peirson 1926-6-25 6875 Modoc small side canyon on Cedarville road 1 mile W of summit of Warner Mts. Comment
  UC1075750  Hydrophyllum capitatum var. alpinum Robert J. Weatherby 1955-7-7 1602 Modoc Dismal Swamp Warner Mountains (n Warner Mountains) 2240 Comment
  UC615123  Hydrophyllum capitatum var. alpinum Beryl O. Schreiber 1934-6-9 1157 Modoc Patterson Mill; Warner Mountains Comment
  UC71797  Hydrophyllum capitatum var. alpinum Mrs. M. H. Manning 1903-1 87 Modoc se slope Mt. Bidwell (ne Modoc County) Comment
  UC748115  Hydrophyllum capitatum var. alpinum Annie M. Alexander and Louise Kellogg 1946-7-24 5077 Modoc Bear Camp Flat; Warner Mountains 2286 Comment
  UCR267417  Hydrophyllum capitatum var. alpinum Jim Andre, Glenn L. Clifton 1993-6-12 29992 Modoc Warner Mountains, c. 3 mi west of Cedarville, along Cedar creek and Hwy 299, Modoc National Forest 1588 Comment
  JEPS35530  Hymenoxys hoopesii W. L. Jepson 1918-8-7 7873 Modoc Mount Bidwell 2438 Comment
  HSC59909  Hymenoxys hoopesii G. M. Riegel 1979-9-8 766 Modoc South Warner Mt. Wilderness Area 2427 Comment
  CAS-BOT-BC179906  Hypericum anagalloides Bruce Bartholomew 1989-8-11 5055 Modoc Along W side of Goose Lake, 12.4 km N of McGinty Point on National Forest Road 48. 1430 Comment
  HSC81092  Hypericum scouleri G. M. Riegel 1980-7-29 963 Modoc S Warner Mtns. 2100 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-BC58445  Idahoa scapigera Bruce Bartholomew; Barrett Anderson 1988-5-14 4201 Modoc Pease Cabin, 0.8 km E of Fletcher Creek on USFS road 47N09 between Goose Lake and Crowder Flats. 1550 Comment
  POM95941  Idahoa scapigera Mrs. R. M. Austin 1895-05 36 Modoc Goose Lake Valley Comment
  HSC80879  Ipomopsis congesta G. M. Riegel 1980-8-9 1021 Modoc S Warner Mtns. 1829 Comment
  CAS-BOT-BC190638  Ipomopsis congesta subsp. palmifrons Annie Montague Alexander; L. Kellogg 1946-6-7 4993 Modoc 15 mi. E of Cedarville. 1737 Comment
  CAS-BOT-BC190635  Ipomopsis congesta subsp. palmifrons Elmer I. Applegate 1935-6-10 9486 Modoc Lave Beds National Monument, Caldwell Butte. Comment
  CAS-BOT-BC245104  Iris missouriensis Bruce Bartholomew; Barrett Anderson 1989-6-2 4787 Modoc Long Canyon, 12 km NE of Fort Bidwell on the road to the Oregon border. 1550 Comment
  UC844909  Iris missouriensis C. L. Hitchcock 1940-5-28 6727 Modoc 15 mi n Alturas 1402 Comment
  JEPS121201  Isatis tinctoria Lowell Ahart, John Dittes 2013-7-25 18962 Modoc 30 yards N of the E-W fence, south edge of Ash Creek Floodplain, NE of Patterson Homestead, E of Elkins Lane, 1.0 air miles S of County Road 87, 3.14 air miles W of Adin, Big Valley. Comment
  UC922441  Isoetes bolanderi Annie M. Alexander and Louise Kellogg 1948-9-21 5624 Modoc flat above Mineral Spr.; 1 mi SW top of grade bet. New Pine Creek and Fort Bidwell 2286 Comment
  CAS-BOT-BC384659  Iva axillaris Andrew Townesmith; Karen M. Meyer 2007-9-15 925 Modoc Modoc National Forest, Warner Mountain Ranger District. Along state route 299, 10.9 miles west of junction with US route 395. At Cedar Pass 1928 Comment
  SD132254  Iva axillaris G. Helmkamp 1990-9-23 H 1 Modoc U. S. Highway 395, 13 miles north of Likely. 1340 Comment
  HSC5875  Iva axillaris M. T. Milligan 1964-8-8 213 Modoc Corner of East D and 8th Street, Alturas 1372 Comment
  RSA520341  Iva axillaris subsp. robustior Bruce Bartholomew, B. Anderson 1989-6-2 4831 Modoc 6.4 km E of Eagleville on the road to the California state border, E side of Surprise Valley. 1550 Comment
  RSA312499  Iva axillaris subsp. robustior Verne Grant, Irving Schneider 1947-7-21 8110 Modoc N Fork of Pit River, 0.25 mile upstream from confluence with S Fork, by Alturas. Comment
  JEPS86283  Ivesia baileyi var. beneolens Dean Wm. Taylor with Glenn Clifton 1990-6-25 11164 Modoc Cedar Pass Warner Mountains, Davis Creek 15' U.S.G.S. topographic map (n slope of Peak 7298) 2148 Comment
  UC1553372  Ivesia gordonii Sch/Yor/Hor/Ach 1988-7-16 1833 Modoc e slope Squaw Peak; Warner Mountains 2560 Comment
  CAS-BOT-BC245073  Juncus bufonius Roxana Stinchfield Ferris; L. Lorraine 1941-8-14 10603 Modoc 8.5 mi. from Patterson Ranger Station on Eagleville road. Comment
  CHSC109634  Juncus bufonius var. bufonius Lowell Ahart; John Dittes 2012-7-11 18339 Modoc North edge of Ash Creek, south of the gravel pit, about 1/8 mile east of the parking area on the east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  CAS-BOT-BC245064  Juncus confusus John H. Hatton 1911-6-12 55 Modoc unspecified 1463 Comment
  JEPS127188  Juncus ensifolius Lowell Ahart, John Dittes 2016-7-14 21206 Modoc South of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. Comment
  CAS-BOT-BC245058  Juncus hemiendytus var. abjectus Alice Eastwood; John Thomas Howell 1940-6-15 8278 Modoc Near Happy Camp Ranger Station. Comment
  CAS-BOT-BC245060  Juncus hemiendytus var. abjectus Arnold Tiehm 1984-6-30 8834 Modoc NW side of Bidwell Mt., 2.2 road mi. N of 8 Mile Creek on road from Lake Annie. 1844 Comment
  CAS-BOT-BC245055  Juncus hemiendytus var. hemiendytus Bruce Bartholomew 1993-6-14 6671 Modoc Vicinity of Badger Well. 1500 Comment
  UC1101099  Juncus longistylis Herbert L. Mason 1947-8-13 13534 Modoc n of Canby (ne side of F reservoir) Comment
  UCD141571  Juncus longistylis L. S. Smith 1918-6-23 s.n. Modoc Lily Lake. High Grade District. 1981 Comment
  UC70012  Juncus mertensianus Mrs. M. H. Manning Jun 1903 446 Modoc ne Modoc County Comment
  JEPS3935  Juncus mertensianus N. T. Mirov 1929-7-4 Modoc about 1 mi s Oregon-California boundary; Warner Mountains, Lily Lake 2133 Comment
  UC1601765  Juncus orthophyllus Milo S. Baker 1893-7-8 Modoc Egg Lake Comment
  RSA578039  Juncus orthophyllus L. C. Wheeler 1935-9-23 4004 Modoc Pease Flat, Devil s Garden. 1524 Comment
  CHSC109504  Juncus parryi L. P. Janeway; B. Castro 2012-7-24 10971 Modoc Warner Mountains. Moonlight Mine, along Road 48N21 1.6 air km southwest of Dismal Swamp. 2328 Comment
  CHSC117033  Juncus tenuis Lowell Ahart; John Dittes 2016-6-6 20970 Modoc About 10 yards west of the dirt road, about 10 yards southwest of the intersection of County Road 87 and Access Road to Pilot Butte Parking Area, northeast base of Pilot Butte, 3.8 miles (air) east of Lookout, 7.5 miles (air) west of Adin, Ash Creek State Wildlife Area. 1271 Comment
  UC1036072  Juniperus communis Annie M. Alexander and Louise Kellogg 1946-7-29 5091 Modoc Head of Eagle Creek Warner Mountains, Eagle Creek (foot of rockslide under lodgepole pine) Comment
  CAS-BOT-BC81200  Juniperus occidentalis Florence Angwin 1946-5-4 s.n. Modoc Adin Comment
  HSC1272  Juniperus occidentalis M. G. Burgoyne 1962-4-14 1006 Modoc 6 mi. W of Cedarville on Cedarville Hwy. 1677 Comment
  HSC45869  Juniperus occidentalis J. P. Smith, J. O. Sawyer 1972-5-7 5283 Modoc 1.3 mi. E of Davis Creek on road to plum Valley Campground 1433 Comment
  UC1134338  Juniperus occidentalis R. C. Wilson 1933-6-27 54 Modoc Rush Creek Modoc National Forest, Canby Quad., Rush Creek 1463 Comment
  SEINET10612939  Juniperus occidentalis Leila M. Shultz, John S. Shultz 1985-6-23 Shultz 8587 Modoc Lava Beds National Monument, approximately 20 miles south of Tulelake; western extension of the Great Basin in California. 1320 Comment
  CHSC112819  Juniperus occidentalis var. occidentalis Lowell Ahart; John Dittes 2013-7-25 18949 Modoc 20 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
  POM337227  Juniperus occidentalis var. occidentalis F. R. Fosberg 1957-8-18 38855 Modoc Upper Rush Creek Camp Ground, northeast of Adin. 1600 Comment
  RSA597868  Juniperus occidentalis var. occidentalis F. C. Vasek 1962-9-2 620902 -1 Modoc Cedarville Road 5.8 miles east of U.S. 395, east of Alturas 1616 Comment
  RSA6216  Juniperus occidentalis var. occidentalis Elmer I. Applegate 1929-7-29 6083 Modoc Clear Lake Comment
  UC748424  Kalmia polifolia subsp. microphylla Annie M. Alexander and Louise Kellogg 1946-6-27 4852 Modoc 2 mi by road from Dismal Swamp (Highgrade, n end of Warner Mountains); Warner Mountains, Highgrade 2377 Comment
  CAS-BOT-BC225091  Kelloggia galioides E. S. Willits 1940-6-9 335 Modoc Fandango Pass. Comment
  HSC19852  Kelloggia galioides M. T. Milligan 1965-6-30 388 Modoc Slopes and ridges E of Jess Valley 1738 Comment
  CAS-BOT-BC121262  Kochia scoparia Gary Schoolcraft 1984-6-24 1257 Modoc East side of Middle Alkali Lake 1356 Comment
  CDA3144  Kochia scoparia T. C. Fuller 1962-8-3 9488 Modoc Tulelake Basin; 1.6 miles north of Stronghold. 0 Comment
  CAS-BOT-BC247640  Koeleria macrantha Leland S. Smith 1920-7-13 1180 Modoc Crowder Flat. 1371 Comment
  CAS-BOT-BC247644  Koeleria macrantha Bruce Bartholomew; Barrett Anderson 1990-7-19 5394 Modoc Turner Creek at County Rd 90, N end of Big Valley, 6.4 km N of Lassen County border. 1230 Comment
  RSA534494  Koeleria macrantha Bruce Bartholomew, B. Anderson 1990-7-19 5394 Modoc Turner Creek at County Rd 90, N end of Big Valley, 6.4 km N of Lassen County border. 1230 Comment
  UC70681  Koeleria macrantha Mrs. M. H. Manning 1904-7-16 Modoc Mt. Bidwell; north-eastern Modoc County Comment
  UCD85811  Koeleria macrantha J. C. Hays 1940-7-2 s.n. Modoc Modoc County. No location given. Comment
  UCD86012  Koeleria macrantha L. D. Whitney 1935-7-2 s.n. Modoc Badger Well. Comment
  UCD86015  Koeleria macrantha E. Wilson 1934-5-15 s.n. Modoc 20 miles from Alturas. Comment
  SEINET10598978  Koeleria nitida John S. Shultz 1985-6-23 Shultz 8594 Modoc Modoc Plateau at the western extension of the Great Basin, between Beeler and Duncan reservoirs north of Canby, near Highway 139. Pinus ponderosa-Juniperus occidentalis-Artemisia- Purshia tridentata association; pines laden with lichens. Open area of gravel soils. 1311 Comment
  CDA7516  Lactuca tatarica subsp. pulchella T. C. Fuller 1958-7-8 2029 Modoc Davis Creek. 0 Comment
  RSA152634  Lagophylla ramosissima I. L. Wiggins, Dorothy Wiggins 1961-6-12 16375 Modoc At junction of Cedar Pass road with California Highway 299, 5.5 miles N of Alturas. Comment
  RSA504645  Lagophylla ramosissima Bruce Bartholomew, B. Anderson 1988-6-23 4239 Modoc 2.1 km SSE of Day on the road to State Highway 299. 1020 Comment
  RSA59531  Lamium amplexicaule E. K. Balls 1950-5-20 14808 Modoc 2 mi. E. of South Fork Public Camp, along South Fork Pit River to Jess Valley. 1463 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
  UC78792  Lappula redowskii Mrs. R. M. Austin July 1885 Modoc Goose Lake Valley Comment
  UC1037328  Lathyrus brownii Leo Whitney 1934-4-29 1922 Modoc near Hackamore; Modoc National Forest 1463 Comment
  UC15393  Lathyrus brownii Baker and Nutting 1894-6-16 Modoc Forestdale Comment
  JEPS55335  Lathyrus lanszwertii var. aridus Leo D. Whitney 1935-5-31 3159 Modoc White Horse 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
  RSA245208  Lathyrus pauciflorus subsp. brownii D. H. Norris, T. Nelson, S. Dowty, B. Norris 1971-6-23 19472 Modoc At Upper Rush Creek Campground about 8 miles north of Adin on Highway 299. Comment
  CAS-BOT-BC181973  Lathyrus rigidus Bruce Bartholomew; Barrett Anderson 1988-5-14 4185 Modoc 4.5 km S of Davis Creek on U.S. Highway 395, SE side of Goose Lake. 1470 Comment
  UC15346  Lathyrus rigidus Mrs. R. M. Austin May 1894 Modoc Goose Lake Valley Comment
  CAS-BOT-BC497200  Lathyrus rigidus G. Schoolcraft 1998-5-19 2710 Modoc Hwy 395 about 9.5 mi N of Davis Creek 1524 Comment
  HSC5919  Layia glandulosa M. T. Milligan 1965-7-1 407 Modoc Plateau W of Jess Valley. 1829 Comment
  CAS-BOT-BC321173  Layia glandulosa Alice Eastwood; John Thomas Howell 1940-6-14 8247 Modoc Between Mammoth Cave and Lave Beds Nat. Mon. Comment
  POM30572  Layia glandulosa subsp. glandulosa Mrs. R. M. Austin 1895-08 536 Modoc Alturas Comment
  POM77416  Ledum glandulosum Mrs. R. M. Austin 1895-07 304 Modoc Tamaracks Comment
  UC71695  Lemna turionifera Mrs. M. H. Manning 1893-2 320 Modoc near Fort Bidwell (in Northeastern Modoc County) Comment
  CAS-BOT-BC58456  Lepidium campestre Bruce Bartholomew 1995-6-1 6925 Modoc 1.3 km E of Day between Day and Lookout on County Road 94. 1200 Comment
  CAS-BOT-BC58664  Lepidium chalepense Bruce Bartholomew 1994-5-27 6700 Modoc SW side of White Horse Reservoir. 1330 Comment
  CHSC99153  Lepidium dictyotum var. dictyotum Lowell Ahart; John Dittes 2008-6-21 15011 Modoc Along a large levee, in Big Valley, about 4.3 miles (air) northeast of the Headquarters at Ash Creek State Wildlife Area, about 7.3 miles (air) northeast of Bieber. 1266 Comment
  CAS-BOT-BC58348  Lepidium perfoliatum Bruce Bartholomew; Barrett Anderson 1989-4-29 4700 Modoc Sand Creek, E side of Surprise Valley, ca. 10 km E of Cedarville. 1400 Comment
  RSA520471  Leptosiphon bolanderi Bruce Bartholomew, B. Anderson 1989-4-27 4625 Modoc Little Hot Spring Valley, 4 km NW of Day. 1070 Comment
  CHSC114021  Leptosiphon harknessii L. P. Janeway 2014-7-7 11444 Modoc Warner Mountians. East side of crest of Warner Mountains 2.3 air-km east of Cedar Pass; along Road 43N07 1.4 road-km east of Stough Reservoir. 2000 Comment
  RSA325722  Leptosiphon harknessii A. Tiehm 1984-6-30 8842 Modoc NW side of Bidwell Mt., 2.8 road miles north of 8 mile creek on the road from Lake Annie. 1829 Comment
  SEINET6033402  Leptosiphon harknessii L. P. Janeway 2014-7-7 11444 Modoc Warner Mountains, east side of crest of Warner Mountains 2.3 air km east of Cedar Pass; along Road 43N07, 1.4 road km east of Stough Reservoir. Cedarville 7.5' quad 2000 Comment
  SJSU8706  Leptosiphon harknessii H. L. Buckalew 1961-6-29 Modoc by Stowe Reservoir c. 1 mi N of Cedar Pass on Alturas-Cedarville Rd 1920 Comment
  CHSC109492  Leptosiphon nuttallii subsp. nuttallii L. P. Janeway; B. Castro 2012-7-26 11002 Modoc Warner Mountains. Along dirt road west of and above Little Lily Lake 2.3 air km north of Mt. Vida. 2280 Comment
  UCD118978  Leptosiphon nuttallii subsp. nuttallii Schoolcrft et al 2000-7-17 2916 Modoc N. Warner Mountains, east of Poison Lake. 2225 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
  POM260001  Leucophysalis nana C. Leo Hitchcock 1940-5-27 6700 Modoc 15 miles northeast of Alturas. 1616 Comment
  CAS-BOT-BC197453  Lewisia nevadensis Bruce Bartholomew 1995-6-3 6953 Modoc 5.1 km W of Goose Lake on Forest Service Road 73 between Goose Lake and Crowder Flat Road. 1580 Comment
  CAS-BOT-BC197462  Lewisia nevadensis Elmer Ivan Applegate 1932-8-1 8024 Modoc Summit of Warner Mts. just S of Warren Peak. Comment
  JEPS43228  Lewisia nevadensis L. S. Smith 1918-5-31 930 Modoc Little Grizzley, Lassen Creek 1828 Comment
  HSC26015  Lewisia rediviva D. H. Norris, T. Nelson, S. Dowty 1971-6-23 19371 Modoc Along the S Fork of the Pit River, ~6 mi. E of Likely. Comment
  HSC80771  Lewisia rediviva G. M. Riegel 1980-6-30 786 Modoc S Warner Mtns. 1829 Comment
  JEPS43175  Lewisia rediviva Frances D. Payne 1929-6-23 25 Modoc Parker Creek Warner Mountains, Parker Creek 1584 Comment
  SEINET3071973 Image available Lewisia rediviva C. L. Hitchcock 1940-5-27 6671 Modoc 15 miles northeast of Alturas 1620 Comment
  CHSC118313  Lewisia rediviva var. rediviva L. P. Janeway 2016-5-17 12018 Modoc Modoc Plateau. Devils Garden area; flat just below (west of) Porcupine Rim; 0.3 km north of Road 43N18; 4.0 air-km west of Big Sage Reservoir. 1544 Comment
  UC70680  Leymus cinereus Mrs. M. H. Manning June 1903 422 Modoc north-eastern Modoc Co. Comment
  UCD64232  Leymus cinereus Beecher Crampton; Carl Rimbey 1954-7-8 2177 Modoc Jess Valley, Warner Mountains, 15 mi. east of Likely. Comment
  UC1037150  Leymus triticoides Leo Whitney 1935-7-6 3414 Modoc near Lookout; Pit River Comment
  CAS-BOT-BC245037  Lilaea scilloides Louis Cutter Wheeler 1935-9-18 3991 Modoc Householder Reservoir, Devil's Garden. 1524 Comment
  UC1100165  Lilaea scilloides Verne Grant and Irving Schneider 1947-7-18 8040 Modoc 5 mi n Bayley's Bridge (s of Alturas, Eastside Canal) Comment
  CAS-BOT-BC242074  Lilium pardalinum subsp. shastense Leland S. Smith 1922-7-20 1305 Modoc Rush Creek Ranger Station pasture. 1905 Comment
  CAS-BOT-BC242070  Lilium washingtonianum Bruce Bartholomew 1989-7-14 4928 Modoc Along Rush Creek between Lower and Upper Rush Creek Campgrounds. 1580 Comment
  CHSC117503  Limosella aquatica Lowell Ahart; John Dittes 2016-7-14 21198 Modoc Strand of a new pond, south of Ash Creek Canal (now filled in), south of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. 1273 Comment
  UCR131614  Limosella aquatica L. C. Wheeler 1935-8-14 3856 Modoc Warner Mtns., Cave Lake, Pine Creek 2073 Comment
  CDA41410  Limosella aquatica G. D. Barbe 1985-8-29 4250 Modoc West of Westside Road, South Fork of Pit River south of Alturas. 0 Comment
  UC106762  Linanthus harknessii Milo S. Baker 1893-7-8 Modoc Comment
  UC71572  Linanthus harknessii Mrs. M. H. Manning 1903-8-21 284 Modoc Fandago Peak, ne Modoc County Warner Range Comment
  UC629053  Linanthus nuttallii subsp. nuttallii Louis C. Wheeler 1935-8-5 3789 Modoc Little Lily Lake Warner Mts., Pine Creek 2286 Comment
  CAS-BOT-BC229896  Linaria dalmatica Thomas C. Fuller 1962-8-29 9485 Modoc Near Sugar Hill planting, Lassen Creek. 11 mi. S of New Pine Creek. Comment
  CDA6353  Linaria genistifolia subsp. dalmatica T. C. Fuller, W. T. Parsons 1960-7-27 4875 Modoc Lassen Creek, near Sugar Hill Planting. 0 Comment
  CDA6366  Linaria vulgaris T. C. Fuller 1960-7-27 4876 Modoc Lassen Creek, near Sugar Hill Planting. 0 Comment
  CHSC109495  Linum lewisii var. lewisii L. P. Janeway; B. Castro 2012-7-26 11010 Modoc Warner Mountains. Top of Yellow Mountain; topmost part and wster edge (at the edge of a steep dropoff to the northwest). 2463 Comment
  CHSC85144  Linum lewisii var. lewisii John Dittes; Josephine Guardino 1991-6-1 359 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-BC225814  Lithophragma glabrum Annie Montague Alexander; L. Kellogg 1946-6-25 4824 Modoc Dismal Swamp, N end of Warner Mts. 2255 Comment
  CHSC42158  Lithophragma glabrum C. E. Laver 1986-3-26 Modoc Ca. 22.5 mi ne of Alturas and 1 mi sw of Thoms Creek. 1524 Comment
  UC1586902  Lithophragma glabrum Juha Pykala and D. H. Norris 1987-5-28 1264 Modoc ca. 3-4 mi w Lake City (Lake City Canyon, by a little stream that runs to Mill Creek); Warner Mountains, Modoc National Forest, Mill Creek 1798 Comment
  JEPS47649  Lithophragma glabrum Milo S. Baker 1896-5-15 Modoc Big Valley; near Johnsons Comment
  CAS-BOT-BC225829  Lithophragma parviflorum Bruce Bartholomew 1991-6-20 5792 B Modoc Fox Mountain Spring, ca. 10 km NW of Adin. 1620 Comment
  CAS-BOT-BC225830  Lithophragma parviflorum Bruce Bartholomew; Barrett Anderson 1989-6-1 4745 Modoc ca. 0.5 km S of State Hwy 299 on road to Shaker Spring. 1420 Comment
  CAS-BOT-BC225834  Lithophragma parviflorum Francis Dorris Payne 1932-6-12 543 Modoc Dry Creek Canyon. Comment
  JEPS5961  Lithophragma tenellum Frances D. Payne 1932-6-10 527 Modoc s and e Alturas (Parker Creek); Warner Mountains, Parker Creek 1584 Comment
  UC111916  Lithophragma tenellum Mrs. R. M. Austin Jun 1894 Modoc Lava Beds Comment
  CAS-BOT-BC54026  Lithospermum ruderale Francis Dorris Payne 1932-6-15 644 Modoc Parker Creek. 1584 Comment
  CAS-BOT-BC54029  Lithospermum ruderale P. Monnet 1913-7-7 Modoc Warner's Range. 1828 Comment
  CAS-BOT-BC21443  Lomatium bicolor var. leptocarpum Louis Cutter Wheeler 1935-9-12 3982 Modoc Poindexter Reservoir, Devil's Garden. 1524 Comment
  CAS-BOT-BC21445  Lomatium bicolor var. leptocarpum Margaret J. Williams 1984-6-30 84- 81 -1 Modoc 9.6 mi. from Gerlach-Cedarville road on Parker Creek rd. Comment
  CAS-BOT-BC21456  Lomatium bicolor var. leptocarpum Alice Eastwood; John Thomas Howell 1940-6-14 8211 Modoc 8 mi. NW of Canby. Comment
  RSA323622  Lomatium bicolor var. leptocarpum A. Tiehm 1984-6-30 8838 Modoc NW side of Bidwell Mt., 2.2 road miles north of 8 mile creek on the road from Lake Annie. 1844 Comment
  CAS-BOT-BC497331  Lomatium bicolor var. leptocarpum G. Schoolcraft 1998-5-19 2708 Modoc 1/2 mi E of Hwy 395 on Hwy 299, E. Alturas 1386 Comment
  CAS-BOT-BC21429  Lomatium canbyi Bruce Bartholomew; M; M. Gilbert; L. E. Skog 1993-5-12 6521 Modoc Adjacent to Turner Creek at County Rd 90, N end of Big Valley, 6.4 km N of Lassen County border. 1560 Comment
  CHSC75439  Lomatium canbyi V. H. Oswald; B. Corbin, A. Sanger, G. Schoolcraft 1999-6-12 9762 Modoc Soldier Creek Canyon adjacent to USFS 45N57 in the Warner Mtns. northeast of Stough Reservoir Campground, north side of Hwy. 299, east side of Cedar Pass. 2072 Comment
  CDA38469  Lomatium dissectum T. C. Fuller 1963-6-11 10646 Modoc Little Meadow Campground, South Fork of the Pit River, 7.9 miles east of Likely. 0 Comment
  CAS-BOT-BC30128  Lomatium foeniculaceum subsp. macdougalii James Vale 1980-6-9 s.n. Modoc Ridge from Stowe Road, Cedar Pass, Warner Mtns. Comment
  CAS-BOT-BC30131  Lomatium grayi var. grayi Bruce Bartholomew 1993-6-13 6634 Modoc Just W of Sand Creek on road from Highway 299 to Leonard Hot Spring, E side of Surprise Valley. 1410 Comment
  CAS-BOT-BC30135  Lomatium hendersonii Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-13 6533 Modoc Just W of Mud Lake on road to West Valley Reservoir. 1460 Comment
  UC1618522  Lomatium hendersonii Glenn Clifton 1994-4-8 32592 Modoc 1.8 mi. e.-s.e. Wade Williams Spring (s.w. of a 4 WD rd.) 1519 Comment
  CHSC117772  Lomatium macrocarpum L. P. Janeway 2016-5-19 12095 Modoc Modoc Plateau. Devils Garden area; along Crowder Flat Road (Road 73/48N08) 1.8 road-km south of Road 73/181/47N09; about 1.8 air-km south-southeast of Janes Reservoir. 1548 Comment
  POM78482  Lomatium macrocarpum Mrs. R. M. Austin 1895-08 432 Modoc Goose Lake Comment
  SEINET8688201  Lomatium macrocarpum E. K. Balls 1950-5-13 14670 Modoc 0.2 miles south of Oregon- California State line, west shore Goose Lake 1463 Comment
  CHSC66981  Lomatium nevadense James D. Jokerst 1987-5-11 2825 Modoc Radar Survey Site S of Doublehead Mtn., S of Clear Lake Reservoir. 1363 Comment
  HSC80780  Lomatium nevadense G. M. Riegel 1980-6-30 782 Modoc S Warner Mtns. 1739 Comment
  NY1066292  Lomatium nevadense B. M. Bartholomew 1989-4-29 4669 Modoc 6.4 km E of Fort Bidwell on road to Fee Reservoir, NE corner of Surprise Valley. 1460 Comment
  SEINET203038  Lomatium nevadense var. nevadense Lincoln Constance, Emil DiFulvio 1962-4-16 3749 Modoc Open slope 3.2 miles N of Likely Comment
  CAS-BOT-BC15768  Lomatium nudicaule Roxana Stinchfield Ferris; R. Duthie 1919-6-14 110 Modoc Near Parker Creek, 1.5 mi. above Modoc National Forest boundary. Comment
  UC20792  Lomatium nudicaule Mrs. R. M. Austin and Bruce June 1898 2287 Modoc Goose Lake Valley Comment
  CAS-BOT-BC15770  Lomatium nudicaule K. Paulson; Robert Paulson 1988-6-19 55 Modoc Loveness road. 1493 Comment
  RSA504593  Lomatium nudicaule Bruce Bartholomew, B. Anderson 1988-6-23 4292 Modoc South side of Egg Lake, ca. 1.5 km west of the Burlington Northern railroad track 1300 Comment
  UC748358  Lomatium nudicaule Annie M. Alexander and Louise Kellogg 1946-6-14 4758 Modoc Silver Creek branch of Patterson Mill rd., branch to Silver Creek Silver Creek branch of Patterson Mill rd. 1828 Comment
  RSA565026  Lomatium piperi D. W. Taylor 1992-3-16 12328 Modoc 1 air mile SW of southern end Duncan Reservoir (1.5air mile E of Amborse). 1494 Comment
  SEINET11131219  Lomatium triternatum subsp. triternatum M. J. Williams 1988-5-30 88266 Modoc Jess Valley, E of Likely, S of roadside rest. 1524 Comment
  CHSC66983  Lomatium triternatum var. macrocarpum James D. Jokerst 1987-5-11 2833 Modoc Radar Survey Site S of Doublehead Mtn., S of Clear Lake Reservoir, dry lake W and adjacent to n end of central sector. 1353 Comment
  SD264744  Lomatium triternatum var. macrocarpum Tracey Call, Viola Call 1964-6-23 2281 Modoc 1 miles south of Perez. 914 Comment
  CAS-BOT-BC21418  Lomatium triternatum var. triternatum M. M. Hanna 1956-6-4 s.n. Modoc Cedar Pass. Comment
  CAS-BOT-BC21393  Lomatium vaginatum Bruce Bartholomew; Barrett Anderson 1988-6-25 4385 Modoc 5.6 km NW of State Highway 299 on County Road 73. 1500 Comment
  CAS-BOT-BC21402  Lomatium vaginatum Mrs. H. C. Cantelow 1940-5-31 4507 Modoc 3 mi. E of Canby. 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-BC181958  Lotus denticulatus Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-13 16475 Modoc Roadside 2.4 mi. S of Davis Creek. Comment
  CAS-BOT-BC181960  Lotus denticulatus John Thomas Howell 1934-6-15 12204 Modoc Dorris Reservoir, 2 mi. E of Alturas. Comment
  CDA13454  Lotus denticulatus G. F. Hrusa, T. D. Wilfred 1996-7-21 13301 Modoc Modoc Plateau; Adjacent to Modoc Co. Rd. 90 bridge over Pit River. E base of Splawn Mtn. N end of Big Valley. 1267 Comment
  UC15563  Lotus denticulatus Milo S. Baker 1893-7-21 Modoc Comment
  CAS-BOT-BC181937  Lotus purshianus var. purshianus Bruce Bartholomew; Barrett Anderson 1988-7-22 4485 Modoc Vicinity of East Creak Trailhead, southern end of the Warner Mts. 2210 Comment
  RSA27896  Lotus unifoliolatus R. M. Austin 1895-06 298 Modoc Goose Lake Valley. Comment
  RSA520488  Lotus unifoliolatus Bruce Bartholomew 1989-8-10 5039 Modoc Little Hot Spring Valley, 3.2 km NW of Day. 1070 Comment
  RSA582627  Lotus unifoliolatus Louis C. Wheeler 1935-9-23 4005 Modoc Pease Flat, Devils Garden. 1524 Comment
  CAS-BOT-BC498664  Lupinus C. L. Hitchcock 1940-5-27 6676 Modoc 15 mi NE of Alturas 1615 Comment
  CAS-BOT-BC181915  Lupinus arbustus Bruce Bartholomew 1990-8-4 5636 Modoc Crest of the Warner Mts., ca. 0.5 km SE of Patterson Lake along Summit Trail. 2770 Comment
  CAS-BOT-BC181918  Lupinus arbustus Robert Patterson; Mona Bourell 1993-8-14 5227 Modoc Patterson Lake. South Warner Wilderness Area. Warner Mountains. 2743 Comment
  CAS-BOT-BC181921  Lupinus arbustus Elmer Ivan Applegate 1929-6-24 5890 Modoc Between Adin and Canby, upper Pit River region. Comment
  CHSC70729  Lupinus arbustus A. Sanger 1997-6-22 2529 Modoc In and adjacent to pine plantation near Soup Springs. 2133 Comment
  JEPS64953  Lupinus arbustus Frances D. Payne 1932-6-22 574 Modoc s and e Alturas; Warner Mountains, Parker Creek Comment
  UC1481374  Lupinus arbustus Jeffrey Huber 1971-6-3 87 Modoc on Calif. Hwy 299, 5 mi s Canby; s of Canby 1280 Comment
  RSA59734  Lupinus arbustus subsp. calcaratus E. K. Balls 1950-5-20 14798 Modoc 1.5 miles below Clear Lake, from Likely, South Fork Pitt River. 1677 Comment
  CAS-BOT-BC182183  Lupinus argenteus C. P. Smith 1947-6-13 47450 Modoc Highway 299, Canby, 2.5 mi. S. Comment
  CAS-BOT-BC182199  Lupinus argenteus Doris K. Kildale 1926-9-11 2772 A Modoc Near Alturas. 1377 Comment
  RSA0026214  Lupinus argenteus John F. Emmel 1997-6-9 1502 Modoc North end Surprise Valley, 3 air miles NE of Ft. Bidwell; along County Road 1, 3.6 road miles NE of jct. with County Road 6. 1409 Comment
  RSA32937  Lupinus argenteus A. A. Heller 1938-6-24 15222 Modoc Occasional clumps in gravel on slopes between Alturas and Canby. 1341 Comment
  NY733048  Lupinus argenteus var. argenteus J. T. Howell 1934-7-2 12367 Modoc West side of Clear Lake Comment
  POM312877  Lupinus argenteus var. argenteus Verne Grant, Irving Schneider 1947-8-27 8321 Modoc Southwest end of Clear Lake 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-BC182111  Lupinus argenteus var. heteranthus R. M. Austin 1898-7-1 2143 Modoc Modoc County. Comment
  CAS-BOT-BC182125  Lupinus argenteus var. heteranthus M. Vasey 1990-6-29 9024 Modoc Cottonwood Flat off County Road 84 between Canby and Happy Camp, Modoc National Forest 1500 Comment
  NY736938  Lupinus argenteus var. heteranthus Mrs. C. C. Bruce 08 1897 2147 Modoc Lakeshore Comment
  UC126948  Lupinus argenteus var. heteranthus Milo S. Baker 1893-6-18 Modoc Forestdale Comment
  CAS-BOT-BC181896  Lupinus argenteus var. meionanthus Elmer Ivan Applegate 1932-8-1 8043 Modoc Arid E slope of Warren Peak, Warner Mts. 2743 Comment
  UC15937  Lupinus bicolor Milo S. Baker 1893-8-1 Modoc Comment
  SEINET6654510  Lupinus brevicaulis Margaret J. Williams, Arnold Tiehm; Jan Nachlinger 1988-6-2 88- 28 -3 Modoc Jess Valley, E of Likely, So of roadside rest.; 0 Comment
  SEINET10485028  Lupinus burkei David B. Dunn, Billy Joe Cox; Lewis S. Fleak 1970-6-8 Dunn 16946 Modoc 1 mi. N of davis creek on us hwy 395. On road cut in grassland. Comment
  SD61033  Lupinus caudatus Darley F. Howe 1964-7-31 3907 Modoc 8.5 miles from entrance to Modoc National Forest; road east of Likely, Warner Mountains. Comment
  SEINET10490652  Lupinus caudatus subsp. caudatus H. Dearing, M. Dearing 1939-6-8 Dearing 3589 Modoc Flowers silvery, lavender blue. But leaflets 8 to 10. Near goose lake. 1219 Comment
  CAS-BOT-BC181885  Lupinus latifolius Bruce Bartholomew; Barrett Anderson 1988-6-24 4357 Modoc 9.8 km SW of County road 1 on County Road 42, E side of the Warner Mts.. 1960 Comment
  CAS-BOT-BC181888  Lupinus latifolius C. L. Hitchcock 1940-5-27 6664 Modoc 15 mi. NW of Alturas. 1615 Comment
  RSA296825  Lupinus laxiflorus W. L. Jepson 1918-8-6 7841 Modoc Surprise Valley. 1448 Comment
  CAS-BOT-BC181871  Lupinus lepidus var. lobbii Robert Patterson; Mona Bourell 1993-8-15 5276 Modoc Warner Mountains. Along trail from Patterson Lake to ca. 2 mi north towards Pepperdine Trailhead. 2743 Comment
  SJSU9655  Lupinus lepidus var. sellulus W. Savage 1979-7-8 1491 Modoc N end Fairchild Swamp Unit, Triangle, Devils Garden District, Modoc National Forest Comment
  RSA26494  Lupinus leucophyllus Alice Eastwood, John T. Howell 1940-6-14 8207 Modoc Canby Comment
  NY747433  Lupinus microcarpus M. J. Williams 1988-5-28 88- 24 --1 Modoc Grade up to Crowder Flat from Hwy 229, west of Alturas. 1478 Comment
  SEINET8056945  Lupinus microcarpus M. J. Williams, T. Holcomb, B. Holcomb, L. Saxton 1988-5-28 88- 24 -1 Modoc Grade up to Crowder Flat from Hwy 229, W of Alturas 1478 Comment
  CAS-BOT-BC181847  Lupinus microcarpus var. microcarpus Bruce Bartholomew 1990-6-18 5376 Modoc 5.5 km N of Hwy 299 on Crowder Flat Rd. 1450 Comment
  CAS-BOT-BC181848  Lupinus microcarpus var. microcarpus Mrs. H. C. Cantelow 1940-5-31 Modoc 3 mi. E of Canby. Comment
  UC1584000  Lupinus microcarpus var. microcarpus G. Schoolcraft 1990-6-6 2076 Modoc about 10 mi n Alturas (near Joseph Creek); n of Alturas near Joseph Creek 1447 Comment
  CAS-BOT-BC497470  Lupinus polyphyllus Margaret J. Williams 1988-5-30 88- 22 -1 Modoc Crowder Flat road, NW of Alturas 1524 Comment
  HSC81086  Lupinus polyphyllus subsp. superbus G. M. Riegel 1979-8-24 685 Modoc South Warner Mtn. 2100 Comment
  NY747511  Lupinus polyphyllus var. burkei R. M. Austin 07 2142 Modoc Fields Comment
  NY747604  Lupinus polyphyllus var. saxosus B. M. Bartholomew 1988-5-13 4149 Modoc Along Parker Creek Road, at the border of Modoc National Forest and ca. 16 km WSW of Alturas, side of the Warner Mountains 1580 Comment
  HSC14935  Lupinus pusillus subsp. intermontanus M. T. Milligan 1964-6-6 11 Modoc N side of Dorris Reservoir along shore 1372 Comment
  CAS-BOT-BC181823  Lupinus saxosus C. L. Hitchcock 1940-5-27 6658 Modoc 9 mi. NE of Alturas. 1402 Comment
  UC126930  Lupinus saxosus Mrs. R. M. Austin July 1894 Modoc Goose Lake Valley Comment
  UC71812  Lupinus saxosus Mrs. M. H. Manning 1903-4 52 Modoc near Fort Bidwell; near Fort Bidwell Comment
  SEINET10871089  Lupinus saxosus Duane Isely, I. Isely 1971-7-11 Isely 11377 Modoc Adjacent to state hwy. 139, Q mi s of adin summit. Steep, rocky slope with Juniper, sagebrush, and ponderosa pine; abundant, but well past blooming. 1463 Comment
  HSC26002  Lupinus subvexus var. subvexus D. H. Norris, T. Nelson, S. Dowty 1971-6-23 19390 Modoc Along Hager Basin Rd. near Big Sage Reservoir. Comment
  HSC26005  Luzula comosa D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19523 Modoc At Big Valley summit about 6 mi. W of Adin on Hwy. 299 Comment
  UC1036056  Luzula comosa var. laxa Annie M. Alexander and Louise Kellogg 1946-7-2 4896 Modoc Dismal Swamp north end Warner Mts 2255 Comment
  RSA551270  Luzula comosa var. laxa Bruce Bartholomew, B. Anderson 1988-7-23 4566 Modoc Dismal Swamp, Warner Mountains. 2180 Comment
  HSC15934  Lythrum hyssopifolia M. T. Milligan 1964-8-21 235 Modoc S end of Dorris Reservoir Dam 1372 Comment
  CAS-BOT-BC49404  Madia glomerata John Thomas Howell 1934-7-3 12375 Modoc 5 mi. S of Hackamore. Comment
  CAS-BOT-BC49450  Madia glomerata Herbert Louis Mason 1947-8-11 13496 Modoc On Hwy 81, W margin of Lower Lake, near boundary between Lassen and Modoc counties. Comment
  POM203072  Madia glomerata J. T. Howell 1934-7-3 12375 Modoc 5 miles S of Hackamore Comment
  CAS-BOT-BC49412  Madia gracilis John Thomas Howell 1934-6-16 12205 Modoc Parker Creek, Warner Mountains 1584 Comment
  HSC5983  Madia gracilis M. T. Milligan 1966-7-7 566 Modoc Slopes and ridges E of Jess Valley 1829 Comment
  UC485310  Madia gracilis W. P. Taylor 1910-6-26 Modoc Parker Creek Warner Mountains, Parker Creek 1676 Comment
  CAS-BOT-BC242032  Maianthemum racemosum Francis Dorris Payne 1929-6-24 23 Modoc Pine Creek above Fitzhugh Springs. 1645 Comment
  HSC81154  Maianthemum racemosum subsp. amplexicaule G. M. Riegel 1980-7-8 848 Modoc 1670 Comment
  CAS-BOT-BC242167  Maianthemum stellatum E. S. Willits 1940-5-6 220 Modoc Lassen Creek, Willow Ranch. Comment
  CAS-BOT-BC242172  Maianthemum stellatum Leland S. Smith (n.d.) 1001 Modoc Modoc Forest Comment
  CAS-BOT-BC497328  Marsilea vestita John Thomas Howell 1934-6-15 12194 Modoc Davis Reservoir, 2 mi E of Alturas Comment
  CAS-BOT-BC498694  Marsilea vestita Louis C. Wheeler 1935-9-18 1616 Modoc Modoc National Forest: Everly Rsvr., Devil's Garden 1524 Comment
  CHSC100514  Marsilea vestita subsp. vestita Lowell Ahart; John Dittes 2008-8-26 15340 Modoc On the bottom of Rose Creek, 750 feet southwest of confluence of Rose Creek and Pit River, on the northwest side of unnamed road, 2660 feet east of intersection with County Road 85a, 9.3 miles (air) north-northeast of Lookout. 1276 Comment
  JEPS114951  Marsilea vestita subsp. vestita Lowell Ahart, John Dittes 2008-8-26 15340 Modoc On the bottom of Rose Creek, 750 feet southwest of confluence of Rose Creek and Pit River, on the northwest side of unnamed road, 2660 feet east of intersection with County Road 85a, 9.3 miles (air) north-northeast of Lookout 1276 Comment
  CHSC112096  Matricaria discoidea Lowell Ahart; John Dittes 2012-7-12 18353 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
  HSC6019  Matricaria discoidea M. T. Milligan 1965-6-23 295 Modoc N end Jess Valley 1616 Comment
  CHSC117571  Matricaria occidentalis Lowell Ahart; John Dittes 2016-7-14 21156 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
  UC70657  Melica fugax Mrs. M. H. Manning May 1904 424 Modoc ne Modoc County Comment
  UCD87266  Melica fugax Beecher Crampton; Carl Rimbey 1954-7-7 2139 Modoc West side of Cedar Pass, Warner Mountains. 1889 Comment
  JEPS69309  Melica spectabilis Leland S. Smith 1918-1 813 Modoc Comment
  UC593540  Melica stricta E. B. Babcock, G. L. Stebbins Jr. 1936-6-9 1826 Modoc about 3 mi w Cedarville; Warner Mountains, Cedar Creek Canyon 1524 Comment
  UCD88620  Melica subulata August L. Hormay 1932-7-17 s.n. Modoc Lily Lake. Near Oregon border in Warner Mtns. Comment
  CHSC100385  Melilotus albus Lowell Ahart; John Dittes 2008-8-25 15305 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
  UC71806  Melilotus albus Mrs. M. H. Manning 1903-7 308 Modoc near Fort Bidwell (ne Modoc Co.) Comment
  CAS-BOT-BC179862  Mentha arvensis Robert Folger Thorne; C. W. Tilforth 1969-9-5 39184 Modoc Marshy margin of Pine Creek where it crossed Hwy 395, 3.4 mi. S of Alturas. 1341 Comment
  CHSC99961  Mentha canadensis Lowell Ahart; John Dittes 2008-8-26 15345 Modoc On the bottom of Rose Creek, 250 feet southwest of confluence of Rose Creek and Pit River, on the northwest side of unnamed road, 3160 feet east of intersection with County Road 85a, 9.3 miles (air) north-northeast of Lookout. 1276 Comment
  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-BC179151  Mentzelia albicaulis Annie Montague Alexander; L. Kellogg 1946-6-12 4736 Modoc Fandango Pass. 1676 Comment
  UC748411  Mentzelia albicaulis Annie M. Alexander and Louise Kellogg 1946-6-12 4736 Modoc east side Fandango Pass rd. 1676 Comment
  CAS-BOT-BC179131  Mentzelia dispersa Annie Montague Alexander; L. Kellogg 1946-6-10 4714 Modoc Lava bench between Lower and Snake Lakes. Comment
  JEPS118254  Mentzelia dispersa Lowell Ahart, John Dittes 2011-6-22 17557 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 Adin, 10 miles (air) east of Lookout, Big Valley 1264 Comment
  RSA69712  Mentzelia dispersa F. W. Peirson 1926-6-26 6899 Modoc Roadside, Alturas to Canby. Comment
  UCSB27390  Mentzelia dispersa Wilken, Dieter 1969-7-28 Modoc Mill Creek Falls near Clear Lake, east of Likely, Warner Mtns. Comment
  CAS-BOT-BC179125  Mentzelia laevicaulis Roxana Stinchfield Ferris; L. Lorraine 1941-8-14 10608 Modoc E slope of Fandango Pass near base of pass. Comment
  CAS-BOT-BC179128  Mentzelia laevicaulis Bruce Bartholomew; Barrett Anderson 1990-7-21 5557 Modoc W edge of Middle Alkali Lake, directly E of Cedarville, Surprise Valley. 1370 Comment
  CAS-BOT-BC179111  Mentzelia veatchiana Bruce Bartholomew 1990-6-17 5334 Modoc Surprise Valley, at the W side of Middle Alkali Lake, directly E of Cedarville. 1370 Comment
  RSA152746  Mentzelia veatchiana I. L. Wiggins, Dorothy Wiggins 1961-6-12 16439 Modoc 4 miles east of summit of Cedar Pass, along Cedar Pass Road. Comment
  RSA271900  Mentzelia veatchiana Christopher Davidson 1975-6-4 2612 Modoc 1/4 mi. W of Cedarville on Hwy 299. 1463 Comment
  RSA252485  Menyanthes trifoliata Robert F. Thorne, C. W. Tilforth 1969-9-5 39166 Modoc Modoc National Forest, Warner Mountains, Clear Lake. 1768 Comment
  CAS-BOT-BC54043  Mertensia ciliata K. Paulson; Robert Paulson 1989-7-14 182 Modoc Vicinity of Cave Lake, N end of the Warner Mts. 1987 Comment
  SEINET11302717  Mertensia longiflora M. J. Williams 1984-6-29 84- 71 -1 Modoc Lily Lake, west side of the Warner Mountains 2073 Comment
  HSC80936  Mertensia oblongifolia G. M. Riegel 1980-8-9 1016 Modoc S Warner Mtns. 2100 Comment
  CAS-BOT-BC498673  Mertensia oblongifolia Gregg M. Riegel 1980-8-9 1016 Modoc South Warner Mountains 2433 Comment
  CAS-BOT-BC54018  Mertensia oblongifolia var. nevadensis Bruce Bartholomew; Barrett Anderson 1988-5-13 4157 Modoc 4 km NW of Pepperdine, gentle W facing slope near top of the Warner Mts.. 1760 Comment
  SEINET3152691  Mertensia sibirica Mrs. M. H. Manning 1903-4-1 83 Modoc Near Fort Bidwell; N-eastern part of county Comment
  CAS-BOT-BC95552  Micromonolepis pusilla Bruce Bartholomew; M. Gilbert; L. Skog 1993-5-10 6462 Modoc Near Eagleville Airport, E side of Surprise Valley. 1400 Comment
  UC485590  Microseris laciniata subsp. laciniata Franklin P. Nutting Modoc near Egg Lake Comment
  CAS-BOT-BC49362  Microseris nutans Roxana Stinchfield Ferris; R. Duthie 1919-6-14 75 Modoc Parker Creek. Comment
  CAS-BOT-BC49397  Microseris nutans Elmer Ivan Applegate 1932-8-1 8005 Modoc Mill Creek Meadows, western slope of Warner Mts. Comment
  JEPS5950  Microseris nutans Frances D. Payne 1931-6-29 289 Modoc e slope Warren Peak (head of Cottonwood Creek); Warner Mountains, , e slope of Warre 2286 Comment
  CAS-BOT-BC197906  Microsteris gracilis Alice Eastwood; John Thomas Howell 1940-6-14 8246 Modoc Between Mammoth Cave and Lava Beds Nat. Mon. Comment
  CAS-BOT-BC197911  Microsteris gracilis Bruce Bartholomew 1995-6-24 7028 Modoc Vicinity of old town site of Tionesta on Forest Service Road 44N17. 1430 Comment
  HSC20803  Mimulus breviflorus M. T. Milligan 1964-7-1 114 Modoc W end of Ballard's Reservoir, along shore. 1372 Comment
  UC1553379  Mimulus breweri Sch/Yor/Hor/Ach 1988-7-16 1827 Modoc ca. 1 mi se Pepperdine Camp; Warner Mtns. 2316 Comment
  JEPS4004  Mimulus breweri Frances D. Payne 1935-7-19 788 Modoc s and e Alturas (mouth of Dry Creek, tributary of Parker Creek); Warner Mountains Comment
  CDA41443  Mimulus cusickii S. E. Schoenig 1998-7-4 98 -67 Modoc On north side of Granger Canyon Road, 1.5 miles west of the intersection with Surprise Valley Road. This intersection is 3.7 miles south of Highway 299 at Cedarville. Comment
  UCD122533  Mimulus cusickii S. E. Schoenig 1998-7-4 98- 67 Modoc N side of Granger Cyn. Rd.,1.5 mi W of Surprise Valley Rd. This intersection being 3.7 miles S of Hwy 299 at Cederville. 1493 Comment
  CHSC117230  Mimulus guttatus Lowell Ahart; John Dittes 2016-7-16 21238 Modoc Strand of the second pond, south of Ash Creek Canal (now filled in), south of Ash Creek, Ash Creek State Wildlife Area, 0.79 miles (air) south of County Road 87, 1.75 miles (air) west of Adin, Big Valley. 1273 Comment
  JEPS127151  Mimulus guttatus Lowell Ahart, John Dittes 2016-7-16 21238 Modoc South of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.75 miles (air) west of Adin, Big Valley. Comment
  UC1537634  Mimulus guttatus Gordon H. True Jr. 1939-7-21 1032 Modoc Jack Swamp Comment
  UC1736214  Mimulus inflatulus Dean W. Taylor 1988-6-4 9745 Modoc Damons Butte, ca. 2.6 miles west of Highway 139 Comment
Read comments
May 5 2007
  UC1562678  Mimulus microphyllus Barbara Ertter 1988-6-18 7631 Modoc n Bessler Reservoir (Hwy 139 14.5 mi ene of jct Hwy 299 at Canby) 1463 Comment
  JEPS27800  Mimulus moschatus Frances D. Payne 1931-6-22 245 Modoc just e Payne Canyon (tributary of Parker Creek, w slope of Warner Mts.); Warner Mts., Dry Creek 1828 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
  JEPS15588  Mimulus nanus var. nanus Frances D. Payne 1931-6-29 760 Modoc ridge s Granger Pass (pass at head of Granger Creek); Warner Mountains 1981 Comment
  UC26856  Mimulus tricolor M. S. Baker and Frank Nutting 1894-6-8 Modoc Egg Lake Comment
  CAS-BOT-BC95211  Minuartia douglasii Bruce Bartholomew 1995-6-1 6916 Modoc NW edge of Little Hot Spring Valley NW of Day. 1080 Comment
  CAS-BOT-BC95213  Minuartia nuttallii Clare Butterworth Hardham 1961-6-20 7886 Modoc Bidwell Road to Dismal Creek. 2438 Comment
  CAS-BOT-BC95215  Minuartia nuttallii Elmer Ivan Applegate 1932-8-3 8126 Modoc Arid rocky summit of Eagle Peak, Warner Mts. Comment
  JEPS27121  Minuartia nuttallii subsp. gregaria Lauramay T. Dempster 1961-6-20 1714 Modoc ridge just n junction of Dismal Creek Road with Fort Bidwell Road; Warner Mountains 2346 Comment
  NY758253  Mitella pentandra B. M. Bartholomew 1990-7-20 5500 Modoc Tamarack Flat, east side of Warner Mountains 2150 Comment
  RSA149075  Mitella pentandra I. L. Wiggins, Dorothy B. Wiggins 1961-6-14 16489 Modoc 6.4 mi. S of Lassen Creek Campground along road to Buck Mtn, Warner Mtns. Comment
  CAS-BOT-BC179853  Monardella odoratissima subsp. glauca Mona Bourell; Robert Patterson 1993-8-15 5254 Modoc Warner Mountains. Along trail from Patterson Lake to ca. 2 mi north towards Pepperdine Trailhead. 2743 Comment
  CHSC109461  Monardella odoratissima subsp. glauca B. Castro; L. P. Janeway 2012-7-24 1947 Modoc Warner Mountains. Along Forest Road/County Road 2 (the road from New Pine Creek to Fort bidwell) 0.6 air mi west of Lily Lake and 0.9 air mi northwest of Yellow Mountain. 6391 Comment
  POM260798  Monardella odoratissima subsp. glauca Alice Eastwood, J. T. Howell 1940-6-13 8175 Modoc East side of Cedar Pass Comment
  UC2035895  Monardella odoratissima subsp. glauca Alice Eastwood, John Thomas Howell 1940-6-13 8175 Modoc East side of Cedar Pass Comment
  CAS-BOT-BC179359  Monardella odoratissima subsp. pallida Bruce Bartholomew 1990-8-5 5666 Modoc Summit Trail, ca. 3 km N of Patterson Ranger Station, W side of Warner Mts. 2440 Comment
  CHSC85152  Monolepis nuttalliana John Dittes; Josephine Guardino 1991-7-21 405 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; at northern edge of Ash Creek Floodplain (Big Swamp) at southeast base of Pilot Butte. 1258 Comment
  CAS-BOT-BC197477  Montia chamissoi Bruce Bartholomew; Barrett Anderson 1989-6-3 4861 Modoc Quaking Aspen Spring, between Goose Lake and Clear Lake Reservoir. 1500 Comment
  CAS-BOT-BC197478  Montia chamissoi Bruce Bartholomew 1994-7-2 6803 Modoc 5.5 km SE of Forest Service road 30 on road towards Bald Mountain, E side of the Warner Mts. 2230 Comment
  JEPS17207  Montia chamissoi Frances D. Payne 1929-7-7 56 Modoc 2 mi sw of Mount Warren (Pine Creek Basin, southeastern Modoc County); Pine Creek Basin 2133 Comment
  POM101941  Montia chamissoi Mrs. R. M. Austin 1895-07 470 Modoc Goose Lake Valley. Comment
  UC412639  Montia chamissoi Franklin P. Nutting Modoc near Egg Lake Comment
  UC71835  Montia chamissoi Mrs. M. H. Manning 1903-5-1 115 Modoc near Fort Bidwell (in north-eastern Modoc Count) Comment
  HSC80773  Montia chamissoi G. M. Riegel 1980-7-30 976 Modoc S Warner Mtns. 2100 Comment
  SJSU9616  Montia chamissoi Wayne Savage 1979-7-6 1406 Modoc Triangle, Antelopes Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  CAS-BOT-BC197508  Montia fontana Bruce Bartholomew 1992-5-16 6331 Modoc S end of Sweagert Flat. 1840 Comment
  CAS-BOT-BC197512  Montia fontana C. L. Hitchcock 1940-5-27 6697 Modoc 12 mi. NE of Alturas. 1615 Comment
  POM260459  Montia fontana C. L. Hitchcock 1940-5-27 6697 Modoc 12 miles NE of Alturas. 1616 Comment
  RSA65656  Montia fontana F. W. Peirson 1926-6-25 6889 Modoc 1 mile east of summit of Cedarville Road, Warner Mountains Comment
  CAS-BOT-BC197505  Montia linearis Roxana Stinchfield Ferris; L. Lorraine 1941-8-14 10601 Modoc 8.5 mi. from Patterson Ranger Station on Eagleville road, Warner Mts. Comment
  CAS-BOT-BC197549  Montia linearis E. S. Willits 1940-5-17 266 Modoc Willow Ranch. Comment
  UC7865  Montia linearis Milo S. Baker 1893-6-15 Modoc 1371 Comment
  UCD86513  Muhlenbergia asperifolia Beecher Crampton 1954-7-8 2187 Modoc Modoc County, 1.5 miles west of Alturas, extension of 4th Street. Comment
  CAS-BOT-BC247571  Muhlenbergia asperifolia Herbert Louis Mason 1947-8-15 13542 Modoc Mouth of Crane Creek on Willow Ranch. Comment
  UC60839  Muhlenbergia filiformis M. S. Baker and Frank Nutting 1894-8-25 Modoc meadow near Forestdale 1371 Comment
  POM264578  Muhlenbergia richardsonis A. A. Beetle 1941-6-29 2836 Modoc Near summit of Mt. Adin 1829 Comment
  SEINET10893798  Muhlenbergia richardsonis Louis C. Wheeler 1935-8-21 Wheeler 3901 Modoc Adobe between rocks in bed of seasonal stream, Pine Spring, Devil's Garden. T45N R12E S5. 1524 Comment
  UC60731  Muhlenbergia richardsonis M. S. Baker and Frank Nutting 1894-1 Modoc Comment
  HSC75580  Myosotis laxa G. M. Riegel 1980-7-1 792 Modoc S Warner Mtns. 2100 Comment
  RSA399952  Myosurus minimus var. filiformis Christopher Davidson 1973-5-26 2151 Modoc 1 mile N of Adin Summit on St. Hwy 299; Modoc Nat'l Forest 1524 Comment
  UC874342  Myriophyllum sibiricum C. L. Hitchcock 1940-5-28 6722 Modoc 15 mi N of Alturas (near Suprise). 1402 Comment
  UCD116067  Nasturtium officinale Verne Grant; Irving Schneider 1947-7-22 8154 Modoc Headwaters of North Fork of Pit River, one mile northwest of Highway 395 on dirt road leading to south end of Goose Lake. Comment
  CHSC67118  Navarretia James D. Jokerst 1987-6-24 2937 Modoc NE of Doublehead Mtn. along the edges of road to Red Lake. Comment
  CAS-BOT-BC198019  Navarretia breweri Mrs. H. C. Cantelow 1940-6-2 s.n. Modoc About 10 miles NW of Canby on road to Lava Bed Monument Comment
  CAS-BOT-BC198020  Navarretia breweri Bruce Bartholomew; Barrett Anderson 1988-6-24 4354 Modoc 9.8 km SW of County road 1 on County Road 42, E side of the Warner Mts.. 1960 Comment
  UC190591  Navarretia breweri M. F. Gilman 516 Modoc 1981 Comment
  CAS-BOT-BC197999  Navarretia divaricata subsp. vividior Mrs. Annie F. Rodda 1932-7-1 s.n. Modoc Between Macarthur and Alturas. Comment
  POM261442  Navarretia intertexta subsp. propinqua Alice Eastwood, J. T. Howell 1940-6-13 8131 Modoc West side of Fandango Pass. 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
  JEPS3968  Navarretia intertexta subsp. propinqua N. T. Mirov 1929-6-28 Modoc Fandango Valley Warner Mountains 1584 Comment
  POM98593  Navarretia intertexta subsp. propinqua F. W. Peirson 1926-6-25 6868 Modoc Cedarville Road, Warner Mountains. Comment
  UC1199837  Navarretia intertexta subsp. propinqua Herbert L. Mason 1946-7-13 13445 Modoc s of Goose Lake (near Highway 395); Joseph Creek Comment
  SJSU9589  Navarretia leptalea subsp. leptalea W. Savage 1979-7-5 1353 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  JEPS77519  Navarretia leucocephala subsp. leucocephala L. R. Heckard with T. I. Chuang and R. C. Bacigalupi 1978-7-19 4889 Modoc about 3 mi sw Patterson Ranger Station (just n of Lassen County line); Warner Mts. 2011 Comment
  CAS-BOT-BC197969  Navarretia leucocephala subsp. minima Leland S. Smith 1924-5-31 1355 Modoc Egg Lake above ranch. 1310 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
  UC856840  Navarretia leucocephala subsp. minima Lewis S. Rose 1940-6-14 40571 Modoc 8 mi nw Canby 1524 Comment
  RSA148666  Navarretia sinistra Clare B. Hardham 1961-6-21 7900 Modoc Warner Mountains: Lakeview-Plush Road. 1829 Comment
  CAS-BOT-BC7186  Nemophila austiniae R. M. Austin 1885-6-1 s.n. Modoc Davis Creek Comment
  JEPS4032  Nemophila breviflora Frances D. Payne 1931-6-22 241 A Modoc s and e Alturas (Dry Creek tributary of, Parker Creek, Warner Mountains); Warner Mountains, Parker Creek, Dry Creek tributary Comment
  UC606945  Nemophila parviflora var. austiniae L. Constance 1938-6-12 2333 Modoc 13.4 mi ne Alturas (edge of Thombs Creek at foot of Bonner Grade, Cedar Pass Road, Warner Range); Warner Range, edge of Thombs Creek 1524 Comment
  UC1021934  Nemophila parviflora var. austiniae Rolf Y. Berg 1955-6-22 Modoc Cedar Pass Campground Modoc National Forest, Cedar Pass Campground Comment
  UC748446  Nemophila parviflora var. austiniae Annie M. Alexander and Louise Kellogg 1946-6-5 4665 b Modoc s Eagleville (Emerson Creek, Emerson Camp, in camp meadow); Warner Mountains, Emerson Creek 2133 Comment
  CAS-BOT-BC179289  Nemophila pedunculata Bruce Bartholomew; Barrett Anderson 1988-5-12 4095 Modoc White Horse. 1340 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
  JEPS31546  Neoholmgrenia andina Milo S. Baker 1894-6-29 Modoc Big Valley Comment
  HSC26499  Nestotus stenophyllus J. P. Smith, J. O. Sawyer 1972-5-6 5273 Modoc Along Hwy. 299, 4 mi. W of Modoc County Rd. 58, E of Alturas 1494 Comment
  RSA565101  Nestotus stenophyllus D. W. Taylor, Glenn L. Clifton 1992-5-7 12522 Modoc 0.5 miles E of Duncan Reservoir, on western rim of Black Canyon. 1524 Comment
  CAS-BOT-BC245374  Nicotiana attenuata Isabelo T. Kelly 1930-1-1 38 Modoc Cowhead Lake, NE of Fort Bidwell. Comment
  CAS-BOT-BC245370  Nicotiana attenuata Francis Dorris Payne 1932-6-19 554 Modoc Jess Valley Rd. Comment
  UC71730  Nicotiana attenuata Mrs. M. H. Manning 1902-9-1 2 a Modoc Long Valley Comment
  CAS-BOT-BC349919  Nothocalais troximoides Lillian Mott 1976-5-29 7 LM76 Modoc Devils Garden, north of Alturas 1402 Comment
  HSC65617  Oenothera elata subsp. hirsutissima Thomas Wood 1979-8-11 253 Modoc 4 mi. S of Fort Bidwell on Co. Hwy. 1 1396 Comment
  JEPS118470  Oenothera flava Lowell Ahart, John Dittes 2011-6-21 17515 Modoc About 200 yards west of the fence, south edge of the meadow, Ash Creek State Wildlife Area, about 2,000 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley 1267 Comment
  NY998814  Oenothera flava K. Paulson 1989-6-21 142 Modoc Vicinity of South Fork of Pine Creek, west side of the Warner Mountains 1884 Comment
  CAS-BOT-BC190802  Oenothera flava subsp. flava K. Paulson; Robert Paulson 1989-6-21 142 Modoc Vicinity of S Fork of Pine Creek, W side of the Warner Mts. 1883 Comment
  POM108006  Olsynium douglasii Mrs. R. M. Austin 1895-04 497 Modoc Goose Lake Valley. Comment
  JEPS45833  Olsynium douglasii var. douglasii Duncan Dunning 1923-6-7 Modoc Davis Mill Modoc National Forest Comment
  CDA7566  Onopordum acanthium T. C. Fuller 1957-9-18 339 -57 Modoc Alturas. 0 Comment
  UCD134667  Onopordum acanthium T. C. Fuller 1959-7-8 B Modoc south side of 4th Street, east of East Street, Alturas. Comment
  CAS-BOT-BC190791  Orobanche fasciculata Bruce Bartholomew 1990-6-18 5377 Modoc Crowder Flat Rd, 0.3 km N of turn off to Big Sage Reservoir. 1480 Comment
  JEPS10853  Orobanche uniflora subsp. occidentalis E. H. Steffen 1917-6-10 39 Modoc Jess Valley, Warner Mts. Comment
  CAS-BOT-BC248312  Orthocarpus cuspidatus B. Bartholomew; H. Sun 2002-6-24 8852 Modoc E of Bald Mt., on the E side of the Warner Mountains 2130 Comment
  CAS-BOT-BC232179  Orthocarpus cuspidatus subsp. copelandii Francis Marion Ownbey; Frederick Gustav Meyer 1940-7-1 2137 Modoc Cedar Pass, Warner Mountains Comment
  CAS-BOT-BC232323  Orthocarpus cuspidatus subsp. copelandii Louis Cutter Wheeler 1935-8-2 3751 Modoc Twenty Mile Creek, Warner Mountains 2225 Comment
  HSC80741  Orthocarpus cuspidatus subsp. cryptanthus G. M. Riegel 1980-6-30 781 Modoc S Warner Mtns. 1739 Comment
  RSA531343  Orthocarpus lacerus Bruce Bartholomew, B. Anderson 1989-6-3 4911 Modoc ca. 6 km NW of Egg Lake and ca. 0.8 km E of Service Flat Gulch. 1370 Comment
  HSC80792  Osmorhiza berteroi G. M. Riegel 1979-9-1 741 Modoc S Warner Mtns. 1670 Comment
  CAS-BOT-BC15736  Osmorhiza chilensis Bruce Bartholomew; Barrett Anderson 1988-7-22 4494 Modoc Vicinity of East Creak Trailhead, southern end of the Warner Mts. 2210 Comment
  CAS-BOT-BC15748  Osmorhiza occidentalis C. C. (Mrs.) Bruce 1894-7-1 66 Modoc Lake City Canyon. Comment
  NY1101853  Osmorhiza occidentalis J. T. Howell 1934-6-11 11948 Modoc Parker Creek, Warner Mountains 1585 Comment
  JEPS57961  Oxyria digyna W. L. Jepson 1918-8-13 7977 Modoc Eagle Peak; Warner Mts., Eagle Peak 3017 Comment
  JEPS57972  Oxyria digyna Frances D. Payne 1931-6-29 304 B Modoc e slope Mt. Warren; Warner Mountains, e slope of Mt. Warren 2286 Comment
  UCR34759  Oxyria digyna J. A. Harpel 1981-8-6 V- 43 Modoc Warner Mtns, South Warner Wilderness Area: E end of Patterson Lake, 7 mi NW of Eagleville 2744 Comment
  CAS-BOT-BC50346  Packera cana Alice Eastwood; John Thomas Howell 1940-6-12 8089 Modoc Jess Valley. Comment
  HSC67898  Packera cana J. P. Smith, J. O. Sawyer 1973-8-8 7240 Modoc S slopes of Eagle Peak 2561 Comment
  JEPS5947  Packera cana Frances D. Payne 1931-6-11 151 Modoc s and e of Alturas; Warner Mountains, Parker Creek 1584 Comment
  UC1523796  Packera cana Gary Schoolcraft 1981-5-12 390 Modoc sw Alturas 1493 Comment
  HSC28870  Packera eurycephala D. H. Norris, T. Nelson, S. Dowty 1971-6-23 19363 Modoc Along the S Fork of the Pit River, ~6 mi. E of Likely. Comment
  UCD134775  Packera eurycephala B. L. Kay 1960-6-1 s.n. Modoc 2.5 miles northeast of Likely. 1371 Comment
  CAS-BOT-BC50271  Packera eurycephala var. eurycephala Helen Katherine Sharsmith 1955-6-25 4507 Modoc N slope of Jess Valley. 1584 Comment
  CAS-BOT-BC50321  Packera eurycephala var. eurycephala Christopher Davidson 1975-6-4 2592 Modoc 0.4 mi. E of Hwy 395 on Hwy 299 towards Cedarville. 1379 Comment
  CAS-BOT-BC50323  Packera eurycephala var. eurycephala Francis Dorris Payne 1931-6-8 186 Modoc Parker Creek. Comment
  CAS-BOT-BC50325  Packera eurycephala var. eurycephala Gordon H. True 1964-6-3 1459 Modoc North fork Pit River between Alturas and Goose Lake. 1463 Comment
  CAS-BOT-BC190776  Paeonia brownii Bruce Bartholomew 1992-5-16 6333 Modoc NW side of Sweagert Flat. 1850 Comment
  CAS-BOT-BC190782  Paeonia brownii Leland S. Smith 1922-7-20 1280 Modoc Rush Creek Ranger Station. 1889 Comment
  UC480851  Paeonia brownii W. P. Taylor and H. C. Bryant 1910-7-13 Modoc N. Fork Parker Creek Warner Mountains (head) 2286 Comment
  UC1131602  Panicum capillare Leo Whitney 1935-8-24 22452 Modoc near Alturas; Canby Quad., near Alturas Comment
  CAS-BOT-BC232309  Pedicularis attollens Annie Montague Alexander; L. Kellogg 1946-6-20 4810 Modoc Below Eagleville. 1440 Comment
  SJSU11602  Pedicularis attollens R. L. Fisher 1958-6-15 Modoc 7 mi E of Alturas Comment
  UC27300  Pedicularis attollens Milo S. Baker 1893-7-30 Modoc Comment
  CHSC12158  Pedicularis densiflora J. Grove 1973-4-28 85 Modoc Collected at Whiley Ranch, 10 mi. nw of Day. 1005 Comment
  CAS-BOT-BC30196  Pellaea breweri Bruce Bartholomew 1992-8-9 6392 Modoc Upper region of Owl Creek drainage, below cliffs, E of Summit Trail, E side of Warner Mtns 2470 Comment
  RSA11920  Penstemon davidsonii Elmer I. Applegate 1932-8-3 8120 Modoc high area summit of Lower mountains just north of Eagle Peak. Comment
  CAS-BOT-BC232345  Penstemon davidsonii var. davidsonii Robert Patterson; Mona Bourell 1993-8-15 5277 Modoc Warner Mountains. Along trail from Patterson Lake to ca. 2 mi north towards Pepperdine Trailhead. 2743 Comment
  CAS-BOT-BC232348  Penstemon davidsonii var. davidsonii Francis Dorris Payne 1929-7-26 s.n. Modoc Mt. Warren, Warner Mountains Comment
  CAS-BOT-BC232347  Penstemon davidsonii var. davidsonii Elmer Ivan Applegate 1932-7-7 7519 Modoc Dry rocky eastern slope of Crane Mountain, Warner Mountains Comment
  UC1539988  Penstemon deustus M. Mitchell 1936-5-21 49 Modoc 2 mi se Hospital Rock (Lava Beds National Monument); , se of Hospital Rock 1249 Comment
  UC748177  Penstemon deustus Annie M. Alexander and Louise Kellogg 1946-6-28 4868 Modoc Pine Creek Canyon , Pine Creek Canyon (n end of Warner Mountains) 1615 Comment
  RSA11919  Penstemon deustus subsp. heterander Elmer I. Applegate 1932-8-6 8215 Modoc Rocky summit of Yellow Mtn, Bidwell Pass, Warner Mtns. Comment
  RSA165591  Penstemon deustus subsp. heterander Clare B. Hardham 1961-6-19 7850 Modoc Davis Creek. Comment
  CAS-BOT-BC232371  Penstemon deustus var. pedicellatus Annie Montague Alexander; L. Kellogg 1946-6-28 4868 Modoc Pine Creek Canyon, North end of Warner Mountains 1615 Comment
  JEPS11229  Penstemon deustus var. pedicellatus Milo S. Baker 1894-1 Modoc Egg Lake Comment
  NY591814  Penstemon deustus var. pedicellatus B. M. Bartholomew 1989-6-3 4876 Modoc Boles Creek, ca. 5.5 km east of the southeast corner of Clear Lake Reservoir. 1430 Comment
  CAS-BOT-BC245542  Penstemon gracilentus John Thomas Howell 1934-6-14 12176 Modoc Patterson Mill Road, Warner Mountains 2133 Comment
  NY600716  Penstemon gracilentus N. H. Holmgren 1964-8-22 1718 Modoc Warner Range, Modoc National Forest, 2 miles north of Patterson Forest Camp on trail to Eagle Peak. Comment
  UC748182  Penstemon gracilentus Annie M. Alexander and Louise Kellogg 1946-6-28 4861 Modoc Pine Creek Canyon n end Warner Mountains, Pine Creek Canyon 2011 Comment
  CAS-BOT-BC245524  Penstemon humilis var. humilis C. C. (Mrs.) Bruce 1899-8-1 2362 Modoc Mt. Bidwell. Comment
  CAS-BOT-BC245519  Penstemon janishiae M. J. Williams; T. Holmcomb; B. Holcomb; L. Saxton 1988-5-28 88- 24 -2 Modoc Grade up to Crowder Flat from Hwy 229, W of Alturas. Top of steep bank by road. 1478 Comment
  SEINET4854504  Penstemon janishiae Unknown 1978-6-8 8883 Modoc Crowder Flat Rd., 0.5 km (0.3 mi) from junction with California Highway 395 (Alturas). 1340 Comment
  CAS-BOT-BC232502  Penstemon roezlii Roxana Stinchfield Ferris; R. Duthie 1919-6-15 58 Modoc Along Parker Creek. Comment
  CAS-BOT-BC232517  Penstemon roezlii Bruce Bartholomew; Barrett Anderson 1989-6-2 4792 Modoc Long Canyon, 12 km NE of Fort Bidwell on the road to the Oregon border. 1550 Comment
  JEPS126555  Penstemon roezlii Lowell Ahart, John Dittes 2016-6-6 20944 Modoc About 50 yards southwest of the intersection of County Road 87 and Access Road to Pilot Butte Parking Area, northeast base of Pilot Butte, 3.8 miles (air) east of Lookout, 7.5 miles (air) west of Adin, Ash Creek State Wildlife Area. Comment
  NY641741  Penstemon roezlii K. A. Vincent 1987-8-4 4496 Modoc Warner Mountains; along CA 11 ca. 1.5 miles east-southeast of jct. US 395 in Davis Creek 1585.0 Comment
  NY650108  Penstemon roezlii A. J. Cronquist 1959-6-20 8529 Modoc On the east slope of the Warner Mountains, near Fandango Pass. 1828.8 Comment
  NY650125  Penstemon roezlii R. M. Austin 06 1894 6438 Modoc Willow Creek Valley Comment
  NY650133  Penstemon roezlii C. L. Hitchcock 1940-5-27 6651 Modoc 9 miles northeast of Alturas 1402.1 Comment
  UC690358  Penstemon roezlii David D. Keck and J. Clausen 1935-6-24 3712 Modoc 3 mi ne Willow Ranch (e of Goose Lake); , ne of Willow Ranch 1550 Comment
  NY650097  Penstemon roezlii M. J. Williams 1988-5-30 8826- 7 Modoc Jess Valley, east of Likely, south of southeast rest 1524.0 Comment
  RSA504641  Penstemon roezlii Bruce Bartholomew, B. Anderson 1988-6-23 4246 Modoc 4.2 kim NW of Day. 1020 Comment
  CAS-BOT-BC245499  Penstemon rydbergii var. oreocharis John Thomas Howell 1934-6-12 12022 Modoc Plum Valley. Comment
  CHSC118293  Penstemon rydbergii var. oreocharis J. P. Janeway 2016-5-17 12040 Modoc Modoc Plateau. Devils Garden area; where Road 45N06 crosses Logans Slough; about 3.2 air-km north of Big Sage Reservoir. 1494 Comment
  NY651258  Penstemon rydbergii var. oreocharis J. T. Howell 1934-6-12 12022 Modoc Plum Valley, Warner Mountains Comment
  SBBG27139  Penstemon rydbergii var. oreocharis C. L. Hitchcock 1940-5-28 6726 Modoc 15 mi N of Alturas 1402 Comment
  CAS-BOT-BC245559  Penstemon speciosus L. Mott 1976-5-29 4 LM76 Modoc Devil's Garden, N of Alturas. 1402 Comment
  CAS-BOT-BC245561  Penstemon speciosus Christopher Davidson 1975-6-4 2613 Modoc 1/4 mi W of Cedarville on Hwy 299. 1463 Comment
  POM261271  Penstemon speciosus C. Leo Hitchcock 1940-5-27 6666 Modoc 15 miles northeast of Alturas. 1616 Comment
  RSA401880  Penstemon speciosus Christopher Davidson 1975-6-4 2613 Modoc 1/4 mi. W of Cedarville on Hwy 299. 1463 Comment
  HSC21058  Penstemon speciosus M. T. Milligan 1964-7-1 128 Modoc 6 mi. N of Hwy. 139 on FS Rd. 44N15 1524 Comment
  JEPS86112  Penstemon speciosus Wayne Roderick 1966-7-23 Modoc on w side of Cedar Pass Warner Mtns, on w side of Cedar Pass 1524 Comment
  RSA78912  Penstemon speciosus E. K. Balls, Percy C. Everett 1952-10-10 18153 Modoc 0.5 mi below South Fork Public Camp, 7.5 mi E of Likely on road to Jess Valley. 1524 Comment
  JEPS126021  Peraphyllum ramosissimum C. S. Campbell 2008-5-23 08 -029 Modoc Hwy 299, about 6 miles east of Alturas Comment
  JEPS45606  Peraphyllum ramosissimum Mrs. M. H. Manning 1923-8-1 Modoc Likely Comment
  CAS-BOT-BC15707  Perideridia bolanderi subsp. bolanderi Bruce Bartholomew; Barrett Anderson 1988-6-23 4255 Modoc 4.2 km NW of Day. 1020 Comment
  CAS-BOT-BC15711  Perideridia bolanderi subsp. bolanderi R. K. Gierisch; D. H. Esplin 1969-7-15 3542 Modoc Modoc County. 1524 Comment
  SEINET11142395  Perideridia bolanderi subsp. bolanderi M. J. Williams 1983-7-29 83- 116 -10 Modoc 1.1 MI N. of Stowe Reservoir Campground, N of Cedar Pass, Warner Mtns. 2088 Comment
  CAS-BOT-BC15713  Perideridia oregana R. M. Austin 1895-7-1 113 Modoc Goose Lake Valley. Comment
  RSA32026  Perideridia oregana A. A. Heller 1941-6-25 16208 Modoc On the plateau south of Big Sage Reservoir northwest of Alturas Comment
  CHSC115561  Phacelia egena Lowell Ahart; John Dittes 2015-7-15 20339 Modoc About 400 yards northeast of the old barn, on the south side of the overgrown road, Ash Creek State Wildlife Area, about 3.9 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1269 Comment
  SBBG30501  Phacelia hastata D. Myrick 1968-6-20 1967 Modoc Cedar Pass Rd, St Hwy 299, 10 mi E of Alturas 1371 Comment
  CAS-BOT-BC179270  Phacelia hastata subsp. hastata Elmer Ivan Applegate 1932-8-1 7964 Modoc Mill Creek Meadow, W slope of Warner Mts. Comment
  RSA531368  Phacelia hastata subsp. hastata Bruce Bartholomew, B. Anderson 1990-7-20 5527 Modoc 3.4 Km NW of Tamarack Flat, E side of Warner Mts. 2130 Comment
  HSC13656  Phacelia hastata var. hastata M. T. Milligan 1964-6-25 87 Modoc Upper Lassen Creek 1829 Comment
  CAS-BOT-BC180011  Phacelia heterophylla subsp. virgata Bruce Bartholomew; Barrett Anderson 1990-7-21 5549 Modoc W edge of Middle Alkali Lake, directly E of Cedarville, Surprise Valley. 1370 Comment
  UC24414  Phacelia heterophylla subsp. virgata Milo S. Baker 1893-6-25 Modoc Egg Lake 1371 Comment
  UC735105  Phacelia heterophylla subsp. virgata Lincoln Constance 1946-7-4 3101 Modoc above Thom's Creek (17 mi ne of Alturas); Warner Mountains 1676 Comment
  JEPS4035  Phacelia heterophylla subsp. virgata Frances D. Payne 1929-6-22 18 Modoc s and e Alturas; Warner Mountains, Parker Creek Comment
  UC660058  Phacelia heterophylla subsp. virgata Alan A. Beetle 2820 Modoc 10 mi w Alturas (road from Alturas to Cedarville) 1371 Comment
  CHSC31501  Phacelia humilis NEH Prouty 1980-7-1 195 Modoc Modoc Natl. Forest, Warner Mt. District. Opening south of Soup Spring's Campground in forest of Pinus ponderosa and Abies concolor. 2072 Comment
  UC24374  Phacelia humilis L. A. M. Black 1894-7-1 Modoc Comment
  CAS-BOT-BC179999  Phacelia humilis var. humilis Mrs. H. C. Cantelow 1940-6-1 Modoc Cedar Pass Summit. Comment
  CAS-BOT-BC179969  Phacelia inundata Bruce Bartholomew 1995-5-13 6910 Modoc 4.8 km W of Eagleville, E side of the S end of Surprize Valley. 1480 Comment
  RSA502328  Phacelia inundata D. W. Taylor, G. Clifton, R. Palmer 1987-8-9 9271 Modoc Dry Lake; T44N R6E S5 1341 Comment
  JEPS2135  Phacelia linearis L. S. Smith 1103 Modoc Deep Creek Ranger Sta. Warner Mts. (s of mts., w of Cedarville) 1493 Comment
  SD131873  Phacelia linearis Barbara Ertter 1988-6-18 7621 Modoc Highway 139, ca. 50 airmiles southwest of Klamath Falls, a few miles north of Agricd. Inspection Station, 1.0 mile south of S. jct. to Lava Beds National Monument east of Tonesta. 1310 Comment
  HSC81073  Phacelia linearis G. M. Riegel 1980-9-4 1151 Modoc South Warner Mountains 1739 Comment
  UCD35722  Phacelia linearis Beecher Crampton 1960-6-17 5680 Modoc 8 miles north of Perez, west of the southern portion of Clear Lake Reserv., Saddleblanket Flat. 1371 Comment
  CAS-BOT-BC179943  Phacelia mutabilis John Thomas Howell 1934-6-13 12047 Modoc Fandango Pass. 1828 Comment
  JEPS1150  Phacelia mutabilis W. L. Jepson 1918-8-7 7866 Modoc Mt. Bidwell 2286 Comment
  JEPS1163  Phacelia mutabilis L. S. Smith 1918-8-18 1044 Modoc ridge n Bear Mt.; Modoc <National> Forest, Warner Mts. 2682 Comment
  CAS-BOT-BC179931  Phacelia ramosissima var. eremophila Bruce Bartholomew; Barrett Anderson 1990-7-20 5486 Modoc 10.3 km N of Buck Creek Ranger Station, crest of Warner Mountains W side of Warner Mts. 2130 Comment
  CAS-BOT-BC179927  Phacelia sericea var. ciliosa M. Vasey 1990-6-28 9012 Modoc In vicinity of pass at junction of North Emerson Lake Trail and Owl Creek Trail. On Cole Peak side of pass. 2590 Comment
  CAS-BOT-BC179911  Phacelia thermalis Barrett Anderson 1986-7-9 3149 Modoc Crowder Flat Rd, 3.2 km off Hwy 299. 1510 Comment
  RSA152190  Phacelia thermalis Lincoln Constance, Elwood Molseed, John Weiler 1960-6-13 3678 Modoc Nine miles north of Litchfield. 1220 Comment
  UC881274  Phacelia thermalis Lewis S. Rose 1940-6-12 40537 Modoc 10 mi south of Alturas 1341 Comment
  CHSC112098  Phalaris arundinacea Lowell Ahart; John Dittes 2012-7-10 18320 Modoc Along a deep drainage, northeast of the old homestead, Ash creek State Wildlife Area, about 3.4 miles (air) wast of Adin, about 8.2 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  CHSC113064  Phalaris arundinacea Lowell Ahart; John Dittes 2013-7-24 18925 Modoc On the north side of the levee road, north side of Ash Creek Floodplain, 0.54 mile (air) southeast of Pilot Butte Parking Area, 1.1 miles (air) south of County Road 87, 6.8 miles (air) west of Adin, Big Valley. 1262 Comment
  HSC10583  Phleum alpinum M. T. Milligan 1965-7-10 427 Modoc W slope of Eagle Peak. 2439 Comment
  HSC31351  Phleum alpinum D. H. Norris, T. Nelson, S. Dowty 1971-6-22 19342 Modoc Soup Springs Campground Comment
  CAS-BOT-BC247596  Phleum pratense Bruce Bartholomew 1989-7-14 4967 Modoc Ca. 8 km NW of Lookout. 1300 Comment
  CHSC117250  Phleum pratense Lowelll Ahart; John Dittes 2016-7-16 21248 Modoc Between the first pond and the second going west, south of Ash Creek Canal (now filled in), south of Ash Creek, Ash Creek Staate Wildlife Area, 0.79 miles (air) west of Adin, Big Valley. 1273 Comment
  HSC37475  Phleum pratense A. M. Montalvo, J. D. Ackerman 1974-7-4 361 Modoc Howard's Gulch, 6 mi. NW of Canby, off Hwy. 139. Comment
  UC880380  Phlox caespitosa Lewis S. Rose 1940-6-14 40579 Modoc 5 mi w Perez; Mammoth Cave 1280 Comment
  UCR87514  Phlox condensata George K. Helmkamp, E. A. Helmkamp 1993-5-4 s.n. Modoc 25.6 miles NW of Canby along Calif. Hwy 139 1280 Comment
  CAS-BOT-BC197943  Phlox diffusa Annie Montague Alexander; L. Kellogg 1946-6-5 4669 Modoc Emerson Creek, S of Eagleville. 1889 Comment
  JEPS15472  Phlox diffusa Joseph and Hilda W. Grinnell 1938-6-16 1109 a Modoc summit of Cedar Pass Warner Mountains, Cedar Pass 1935 Comment
  CAS-BOT-BC197927  Phlox douglasii subsp. rigida Bruce Bartholomew 1990-6-15 5248 Modoc Top of Manzanita Mountain in vicinity of Manzanita Lookout. 2130 Comment
  CAS-BOT-BC197931  Phlox douglasii subsp. rigida Robert Patterson; Mona Bourell 1993-8-15 5241 Modoc Warner Mountains. Along trail from Patterson Lake to ca. 2 mi north towards Pepperdine Trailhead. 2743 Comment
  RSA468392  Phlox douglasii subsp. rigida Christopher Davidson 1973-5-26 2123 Modoc 4 miles W of Canby on Hwy 299. 1341 Comment
  UC23594  Phlox gracilis Milo S. Baker 1893-6 Modoc Forestdale Comment
  CHSC112114  Phlox hoodii subsp. canescens L. P. Janeway; B. Castro 2014-6-2 11289 Modoc Great Basin. Along County Road 5 1.0 km west of the southwest corner of Cow Head Lake. 1627 Comment
  HSC26501  Phlox hoodii subsp. canescens J. P. Smith, J. O. Sawyer 1972-5-6 5253 Modoc County Rd. 86, just E of Adin. 1098 Comment
  SBBG6053  Phlox hoodii subsp. canescens H. and M. Dearing 1939-6-9 3628 Modoc near Squaw Peak, Warner Mtns 2133 Comment
  RSA59854  Phlox hoodii subsp. lanata E. K. Balls 1950-5-15 14700 Modoc 6 miles SW of Dry Lake Ranger Station, along railroad. 1280 Comment
  CAS-BOT-BC197862  Phlox stansburyi Bruce Bartholomew; Barrett Anderson 1989-4-28 4646 Modoc 8.8 km N of State Highway 299 on road to Raker & Thomas Reservoir. 1470 Comment
  CAS-BOT-BC197877  Phlox stansburyi Francis Dorris Payne 1932-6-8 420 Modoc 3 mi. N of Alturas on Cedarville road. Comment
  SJSU13883  Phlox stansburyi N. A. Hopkins 1985-5-13 1271 Modoc by Hwy 395 c. 30 mi S of Alturas Comment
  RSA469950  Phlox stansburyi var. brevifolia Christopher Davidson 1975-6-4 2589 Modoc 0.4 miles E of Hwy 395 on Hwy 299 toward Cedarville. 1380 Comment
  CAS-BOT-BC58307  Phoenicaulis cheiranthoides Robert Patterson; Mona Bourell 1993-8-15 5256 Modoc Warner Mountains. Along trail from Patterson Lake to ca. 2 mi north towards Pepperdine Trailhead. 2743 Comment
  CAS-BOT-BC58311  Phoenicaulis cheiranthoides K. Paulson; Robert Paulson 1989-5-8 106 Modoc Howard's Gulch, along Hwy 139. 1371 Comment
  CAS-BOT-BC58313  Phoenicaulis cheiranthoides M. Vasey 1990-6-28 9014 Modoc Trail to summit above N Emerson Lake. 2651 Comment
  CAS-BOT-BC58315  Phoenicaulis cheiranthoides Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-11 6507 Modoc Fletcher Creek near crossing by Crowder Flat Road. 1600 Comment
  CHSC54181  Phoenicaulis cheiranthoides Vernon H. Oswald 1991-5-28 4633 Modoc North side of parking area on the southeast side of Pilot Butte, Ash Creek Wildlife Area, ca. 5.5 miles north-northeast of Bieber. 1264 Comment
  CHSC67095  Phoenicaulis cheiranthoides James D. Jokerst 1987-5-12 2845 Modoc Radar Survey Site S of Doublehead Mtn., N end of central sector. Comment
  JEPS15390  Phoenicaulis cheiranthoides Milo S. Baker circa 1894 Modoc Forestdale Comment
  NY182048  Phoenicaulis cheiranthoides R. M. Austin 04 1894 6438 Modoc Goose Lake Valley Comment
  RSA27426  Phoenicaulis cheiranthoides C. L. Hitchcock 1940-5-27 6673 Modoc 15 miles NE of Alturas. 1982 Comment
  RSA59358  Phoenicaulis cheiranthoides E. K. Balls 1950-5-10 14598 Modoc East of Middle Lake, near Cedarville. 1402 Comment
  SJSU5792  Phoenicaulis cheiranthoides H. L. Buckalew 1961-6-27 Modoc SW facing c. 1 mi N of Cedar Pass on Alturas-Cedarville Rd Comment
  UC1037295  Phoenicaulis cheiranthoides Leo Whitney 1934-5-20 1656 Modoc Modoc National Forest, Devil's Garden, northeast portion of county Devil's Garden; Modoc National Forest, Devil's Garden 1524 Comment
  UC748068  Phoenicaulis cheiranthoides Annie M. Alexander and Louise Kellogg 1946-6-26 4834 Modoc Dismal Swamp, n end of Warner Mountains Dismal Swamp; Warner Mountains, Dismal Swamp 2255 Comment
  HSC6879  Phoenicaulis cheiranthoides M. T. Milligan 1964-4-25 Modoc 1 mi. up Barns Grade Rd. at stock pens Comment
  CAS-BOT-BC245224  Phoradendron juniperinum K. Paulson; Robert Paulson 1991-5-25 218 Modoc Householder Reservoir. 1639 Comment
  CDA32619  Phragmites australis T. C. Fuller 1957-9-17 341 Modoc Near Eagleville. 0 Comment
  SEINET7297281 Image available Phragmites australis Herbert L. Mason 1947-1 13501 Modoc Highway 81, north of Modoc- Lassen County Line Comment
  CAS-BOT-BC58639  Physaria occidentalis Leland S. Smith 1917-7-2 67 Modoc Warren Mt. 2685 Comment
  CAS-BOT-BC30199  Pinus albicaulis Bruce Bartholomew 1990-8-5 5684 Modoc Summit Trail, ca. 4 km N of Patterson Ranger Station, W side of Warner Mts. 2470 Comment
  UCR34664  Pinus albicaulis J. A. Harpel 1981-8-6 V 46 Modoc Warner Mtns, South Warner Wilderness Area: E end of Patterson Lake, 7 mi NW of Eagleville 2744 Comment
  POM120072  Pinus contorta var. murrayana Mrs. R. M. Austin 1895-08 267 Modoc Goose Lake Comment
  CAS-BOT-BC30154  Pinus monticola Belknap C. Goldsmith 1910-8-11 20 Modoc Summit, Warner Mts. 2316 Comment
  CAS-BOT-BC73021  Pinus monticola Elmer I. Applegate 1932-7-9 7568 Modoc Northwest slope of Bidwell Mountain, Warner Mountains. 2560 Comment
  CAS-BOT-BC73023  Pinus monticola Marion Ownbey; Fred G. Meyer 1940-7-1 2153 Modoc Near summit of Clear Peak, Warner Mts. Comment
  CAS-BOT-BC79033  Pinus ponderosa Elmer I. Applegate 1932-8-4 8144 Modoc About 3 miles above [Cantral] Cantrall Mill, Cherry Creek, on road to Mill Creek Meadows, Warner Mountains 2133 Comment
  HSC26431  Pinus ponderosa J. P. Smith, J. O. Sawyer 1972-5-6 5265 Modoc FS road to Quail Spring at Hwy. 299, N of Adin 1463 Comment
  NY60274  Pinus washoensis B. M. Bartholomew 1994-7-2 6821 Modoc Just north of South Fork of Davis Creek near the crest of the Warner Mountains 2300 Comment
  NY63477  Pinus washoensis B. M. Bartholomew 1990-8-5 5664 Modoc Summit Trail, ca. 2 km. north of Patterson Ranger Station, west side of Warner Mountains 2400 Comment
  CAS-BOT-BC242223  Piperia unalascensis Leland S. Smith 1922-7-20 1302 Modoc Field redacted by CAS, contact the data manager for more information 1905 Comment
  UC71858  Piperia unalascensis Mrs. M. H. Manning 1903-7-9 41 Modoc Warner Range, ne Modoc County Warner Range 1828 Comment
  CHSC109643  Plagiobothrys cusickii Lowell Ahart; John Dittes 2012-7-11 18332 Modoc Vernal pool like areas on the bottom of a gravel pit, north edge of the meadow, about 1/8 mile east of the parking area on the east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adam, about 8 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  JEPS121217  Plagiobothrys cusickii Lowell Ahart, John Dittes 2013-7-24 18920 Modoc N side of Ash Creek Floodplain, 0.54 air miles SE of Pilot Butte parking area, 1.1 air miles S of County Road 87, 6.8 air miles W of Adin, Big Valley. Comment
  CHSC107381  Plagiobothrys hispidulus Lowell Ahart; John Dittes 2011-6-22 17540 Modoc On the west side of the road, about 50 yards north of the Pilot Butte Parking Lot, north edge of Ash Creek Floodplain, 1.1 miles (air) south of County Road 87, 7.7 miles (air) west of Adin, 10 miles (air) east of Lookout, Big Valley. 1264 Comment
  CHSC117137  Plagiobothrys hispidulus Lowell Ahart; John Dittes 2016-7-14 21160 Modoc Around the sides 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
  CHSC85131  Plagiobothrys leptocladus John Dittes; Josephine Guardino 1991-7-21 413 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
  UCD120859  Plagiobothrys mollis Herbert L. Mason; Verne Grant 1947-7-12 13395 Modoc By Jones' Lane, off Highway 395, several miles south of Alturas. Comment
  CAS-BOT-BC58750  Plagiobothrys scouleri Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-15 16513 Modoc 13 mi. W of Canby, along Hwy 139. Comment
  UCR129359  Plagiobothrys scouleri Elaine Joyal, D. Mehlman 1988-6-27 1287 Modoc Warner Mtns., Jess Valley 1500 Comment
  POM204141  Plagiobothrys scouleri var. hispidulus J. T. Howell 1934-6-11 11912 Modoc Parker Creek, Warner Mts. 1585 Comment
  RSA34966  Plagiobothrys scouleri var. hispidulus Roxana S. Ferris, Laura Lorraine 1941-8-13 10559 Modoc Petterson Ranger Station (East Creek drainage). Modoc Nat. Forest. Warner Mts. Comment
  RSA59935  Plagiobothrys scouleri var. hispidulus E. K. Balls 1950-5-13 14667 Modoc Goose Lake, east shore, near Willow Ranch. 1463 Comment
  SEINET10546952  Plagiobothrys scouleri var. hispidulus David B. Dunn, Paul Gallian 1971-6-2 Dunn 17775 Modoc 9 mi SW of Canby on CA Hwy 299, in decomposed granite; in Artemesia, very moist season of year with melting patches of snow. Pinus ponderosa-juniper assoc. 30-40 slope. 1463 Comment
  UC25063  Plagiobothrys tenellus M. S. Baker and Frank Nutting 1894-6-26 Modoc near Lookout; Big Valley Comment
  HSC16609  Platanthera dilatata var. leucostachys M. T. Milligan 1965-6-26 327 Modoc N end Jess Valley 1616 Comment
  UC1024327  Platanthera stricta Annie M. Alexander and Louise Kellogg 1946-6-28 4858 Modoc above Lily Lake (Pine Creek Canyon); n end Warner Mountains, Pine Creek Canyon 2103 Comment
  SEINET5102917  Platanthera stricta Unknown Modoc Comment
  RSA520473  Plectritis macrocera Bruce Bartholomew, B. Anderson 1989-4-27 4627 Modoc Little Hot Spring Valley, 4 km NW of Day. 1070 Comment
  POM319399  Plectritis macrocera Patricia Wilder 1971-6-20 5078 Modoc North part of Egg Lake (now a meadow), northwest of Lookout; north of Bieber and California State Highway 299; Modoc National Forest. Cascades Mt. Range. 1372 Comment
  JEPS36546  Pleiacanthus spinosus W. L. Jepson 1918-8-6 7832 Modoc Davis Creek Comment
  UC748196  Pleiacanthus spinosus Annie M. Alexander and Louise Kellogg 1946-7-5 4910 Modoc Lava Cliff, west Lower Lake. Comment
  POM203048  Poa J. T. Howell 1934-6-14 12171 Modoc Near Lost Lake, Warner Mts. 2439 Comment
  UC710915  Poa C. L. Hitchcock 1940-5-27 6732 Modoc 12 mi ne Alturas 1615 Comment
  UCD90253  Poa annua A. A. Beetle 1941-6-29 2832 Modoc Near summit of Cedarville Pass. 2118 Comment
  CAS-BOT-BC247588  Poa bolanderi Leland S. Smith 1922-7-20 1284 Modoc Rush Creek Ranger Station. 1905 Comment
  CAS-BOT-BC247585  Poa bulbosa Margaret J. Williams 1984-6-30 84- 80 -2 Modoc 6.8 mi. W of Cedarville-Gerlach road. Granger Canyon road. 1981 Comment
  RSA339138  Poa bulbosa Margaret J. Williams 1984-6-30 84- 80 -2 Modoc Seepage area near a reservoir 6.8 mi W of Cedarville-Gerlach road. Granger Canyon Rd, Warner Mtns. 1982 Comment
  CHSC85107  Poa compressa John Dittes; Josephine Guardino 1991-7-21 440 Modoc Modoc Plateau; Big Valley; Ash Creek Wildlife Area; ca. 5.7 air-miles northeast of Bieber, ca. 7.6 air-miles west of Adin, ca. 1.5 air-mile southeast of Pilot Butte summit; meadow at northern edge of Ash Creek Floodplain (Big Swamp) at southeast base of Pilot Butte. 1258 Comment
  CHSC110974  Poa cusickii subsp. cusickii Lowell Ahart; John Dittes 2012-7-10 18328 Modoc Open meadow, west of the fence, northwest of the old homestead, Ash Creek State Wildlife Area, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  HSC80832  Poa cusickii subsp. epilis G. M. Riegel 1979-7-14 546 Modoc 1739 Comment
  CAS-BOT-BC247622  Poa leptocoma Elmer Ivan Applegate 1932-8-2 8084 Modoc Mill Creek Meadows, Warner Mts. Comment
  UCD38341  Poa pratensis Beecher Crampton 1954-7-7 2145 Modoc Warner mountains, east side of Cedar Pass, 3 miles west of Cedarville. Comment
  CAS-BOT-BC247616  Poa pratensis subsp. pratensis Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10532 Modoc Patterson Ranger Station (East Creek drainage). 2164 Comment
  RSA647548  Poa secunda Marion P. Harthill 1972-6-17 851 Modoc Cedar Pass 1921 Comment
  UC1025057  Poa secunda subsp. juncifolia Leo Whitney 1935-6-23 3576 Modoc 15 mi w Canby (Happy Camp, USBE Plot); Modoc Nat'l Forest 1463 Comment
  UCD92371  Poa secunda subsp. juncifolia August L. Hormay 1932-7-16 s.n. Modoc Modoc National Forest, Crowder Ranger Station. Comment
  UCD92435  Poa secunda subsp. juncifolia L. Whitney 1935-7-23 s.n. Modoc Near Happy Camp. Comment
  UC1024996  Poa secunda subsp. secunda Leo Whitney 1935-7-7 3393 Modoc 4 mi nw Canby (Howard Gulch) Comment
  CAS-BOT-BC247656  Poa wheeleri Bruce Bartholomew; Barrett Anderson 1990-7-20 5501 Modoc Tamarack Flat, E side of Warner Mts. 2150 Comment
  RSA580060  Pogogyne floribunda Louis C. Wheeler 1935-8-25 3915 Modoc Rim Rock Valley Reservoir, Devil s Garden 1524 Comment
  JEPS13810  Polanisia dodecandra subsp. trachysperma L. S. Smith 1918-9-25 1057 Modoc Granger Canyon , Granger Canyon (Surprise Valley Foothills) 1371 Comment
  UC1561072  Polanisia dodecandra subsp. trachysperma Dean Wm. Taylor with Glenn L. Clifton 1989-8-6 10506 Modoc along Surprise Valley road ca 0.3 mi s Eagleville; Surprise Valley 1363 Comment
  CAS-BOT-BC95167  Polanisia dodecandra subsp. trachysperma P. Monnet 1913-7-7 876 Modoc Warner's Range. 1524 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
  HSC81029  Polemonium occidentale subsp. occidentale G. M. Riegel 1980-7-2 807 Modoc S Warner Mtns. 2100 Comment
  UC1735999  Polemonium pulcherrimum subsp. pulcherrimum Dean W. Taylor 1990-6-25 11165 Modoc Cedar Pass, growing on steep cliffs of volcanic breccia, northerly slopes of Peak 7298 2148 Comment
  SD131816  Polyctenium fremontii Barbara Ertter 1988-6-18 7617 Modoc Highway 139 ca. 50 miles southwest of Klamath Falls, a few miles north of Agricultural Inspection Station. 1310 Comment
  HSC6718  Polyctenium fremontii M. T. Milligan 1964-4-25 Modoc 7 mi. W on Centerville Rd. from Alturas Comment
  JEPS13802  Polyctenium fremontii L. S. Smith 1917-5-27 780 Modoc along road to Jess Valley; West Valley 1524 Comment
  JEPS91060  Polygonum Dean Wm. Taylor, Glenn L. Clifton 1987-6-24 9061 Modoc Whitehorse (site), a railroad siding in Section 16 Whitehorse 1341 Comment
  CHSC52636  Polygonum aviculare James Jokerst 1983-7-27 1908 Modoc Near Signal Butte. 1340 Comment
  JEPS79754  Polygonum aviculare Louis C. Wheeler 1935-8-26 3922 Modoc 1 mi nw Mud Lake; Devil's Garden 1524 Comment
  POM312903  Polygonum aviculare Verne Grant, Irving Schneider 1947-7-18 8043 Modoc E side Canal, 5 miles N of Bayley's bridge, S of Alturas. Comment
  SD215623  Polygonum aviculare Louis C. Wheeler 1935-8-26 3928 Modoc Modoc Plateau; 1.5 mile south of Lakeshore Reservoir, Devil/ Garden. 1524 Comment
  CAS-BOT-BC218106  Polygonum aviculare John H. Hatton 1911-6-14 86 Modoc unspecified Comment
  RSA520457  Polygonum bistortoides K. Paulson, R. Paulson 1989-7-4 169 Modoc 1 miles S of Patterson Ranger Station, S end of Warner Mts. 2122 Comment
  CAS-BOT-BC218127  Polygonum douglasii Bruce Bartholomew 1989-8-12 5131 Modoc Deep Creek, E side of Warner Mountains. 1920 Comment
  CAS-BOT-BC218131  Polygonum douglasii Bruce Bartholomew; Barrett Anderson 1988-6-25 4398 Modoc Ryan Canyon, N of Adin. 1390 Comment
  CAS-BOT-BC218143  Polygonum douglasii John Thomas Howell 1934-7-1 12317 Modoc Duncan Horse Camp. 1355 Comment
  UC6693  Polygonum douglasii subsp. austiniae Mrs. R. M. Austin and Bruce June 1898 134 Modoc Goose Lake Comment
  UC465749  Polygonum douglasii subsp. austiniae Mrs. Austin 1886-1 Modoc Comment
  CHSC100508  Polygonum douglasii subsp. spergulariiforme Lowell Ahart; John Dittes 2008-8-26 15342 Modoc On the bottom of Rose Creek, 550 feet southwest of confluence of Rose Creek and Pit River, on the northwest side of unnamed road, 2860 feet east of intersection with County Road 85a, 9.3 miles (air) north-northeast of Lookout. 1276 Comment
  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
  CAS-BOT-BC27103  Polygonum esotericum Louis Cutter Wheeler 1935-8-25 3918 Modoc Rim Rock Valley Reservoir, Devils Garden. Modoc National Forest 1524 Comment
  RSA518941  Polygonum polygaloides Bruce Bartholomew, B. Anderson 1988-6-23 4244 Modoc 4.2 kim NW of Day. 1020 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
  CAS-BOT-BC218169  Polygonum polygaloides subsp. confertiflorum Herbert Louis Mason 1957-6-21 14706 Modoc West side of Said Valley. Comment
  CHSC67590  Polygonum polygaloides subsp. esotericum James D. Jokerst 1990-8-2 3213 Modoc Hwy. 139 NW of Canby, 5.3 mi W of junction with Loveness Rd. Comment
  JEPS49471  Polygonum polygaloides subsp. esotericum Louis C. Wheeler 1935-8-25 3918 Modoc Rim Rock Valley Reservoir, Devils Garden, Mt. Diabllo Mer. Devils Garden; Rim Rock Valley Reservoir, Devils Garden 1524 Comment
  UCR142913  Polygonum polygaloides subsp. esotericum L. C. Wheeler 1935-8-25 3919 Modoc Devil's Garden; Rimrock Valley Reservoir 1524 Comment
  SEINET10891363 Image available Polygonum polygaloides subsp. esotericum Louis C. Wheeler 1935-8-25 Wheeler 3918 Modoc Rim Rock Valley Reservoir, Devil's Garden. Modoc Co. S 21, T 46 N, R 12 E. Mt. Diablo Mer. 1524 Comment
  CAS-BOT-BC218183  Polygonum polygaloides subsp. kelloggii Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10553 Modoc Patterson Ranger Station (East Creek drainage), Warner Mts. 2164 Comment
  HSC81000  Polygonum polygaloides subsp. kelloggii G. M. Riegel 1980-8-11 1031 Modoc S Warner Mtns. 2100 Comment
  HSC81006  Polygonum sawatchense subsp. sawatchense G. M. Riegel 1979-8-11 638 Modoc S Warner Mtns. 2100 Comment
  CAS-BOT-BC420162  Polygonum sawatchense subsp. sawatchense Ira L. Wiggins; Dorothy B. Wiggins 1961-6-15 16507 Modoc 16 mi. W of Canby, along Calif. St. Highway 139 Comment
  HSC41123  Polygonum spergulariiforme Thomas W. Nelson, Jane P. Nelson, James Nelson 1976-8-29 3247 Modoc Modoc National Forest; along Hwy. 299 just NW of Andin Pass 1524 Comment
  CHSC30495  Polypogon monspeliensis N. E. H. Prouty 1980-5-21 163 Modoc Ca. 7 1/2 roadmiles south of Eagleville. East side of Hwy 81, by edge of hot spring. Comment
  CAS-BOT-BC225101  Populus tremuloides A. D. Borden 1911-5-21 s.n. Modoc Creek SW of Sugar Hill. Comment
  HSC80729  Populus trichocarpa G. M. Riegel 1979-9-4 734 Modoc S Warner Mtns. 2100 Comment
  SEINET10460822  Porterella carnosula Annie M. Alexander, Louise Kellogg 1946-7-11 Alexander 4975 Modoc Mesa west, northeast corner of county Comment
  CAS-BOT-BC242247  Potamogeton epihydrus Verne Grant; I. Schneider 1947-7-21 8127 Modoc North Fork of Pit River by bridge on Hwy 395, N of Alturas. Comment
  POM208869  Potamogeton gramineus Milo S. Baker 1899-8-18 s.n. Modoc Little Hot Spring Valley Comment
  RSA210788  Potamogeton nodosus Robert F. Thorne, J. Henrickson, C. W. Tilforth 1969-9-4 39129 Modoc N Fork of Pit River 3.4 mi N of Alturas where crossed by Highway 395. 1341 Comment
  RSA0011552  Potamogeton nodosus Robert F. Thorne, Larry E. DeBuhr 1975-8-22 46967 Modoc Ca. 3.4 miles north of Alturas at bridge over North Fork of Pit River 1341 Comment
  SEINET5335355  Potamogeton nodosus M. S. Baker 1899-8-24 s.n. Modoc In Pit River at Lookout Comment
  UC1100065  Potamogeton nodosus Verne Grant, Irving Schneider 1947-7-21 8111 Modoc North Fork of Pit River (1/4 mi mi upstream from confluence with South Fork, by Alturas) Comment
  CHSC99517  Potamogeton pectinatus Lowell Ahart; John Dittes 2008-6-21 15005 Modoc In shallow water 6-8 inches deep, along a deep natural drainage, about 30 yards west of the levee, mountain meadow, in Big Valley, about 3.6 miles (air) northeast of the Headquarters at Ash Creek State Wildlife Area, about 6.4 miles (air) northeast of Bieber. 1269 Comment
  UC1100037  Potamogeton pusillus var. pusillus Herbert L. Mason 1947-8-8 13468 Modoc nw of Alturas (sw margin of Big Sage Reservoir); Big Sage Reservoir Comment
  CAS-BOT-BC242271  Potamogeton richardsonii Herbert Louis Mason; Verne Grant 1947-7-11 13380 Modoc Road from Likely to Jess Valley, ca. 1 mi. E of Likely. Comment
  POM313013  Potamogeton richardsonii H. L. Mason, Verne Grant 1947-7-11 13380 Modoc Irrigation ditch on road from Likely to Jess Valley, ca. 1 mile east of Likely. Comment
  UC1100094  Potamogeton richardsonii Malcolm A. Nobs, S. Galen Smith 1949-7-22 1068 Modoc South Fork of Pit River (Likely, in Pit River) Comment
  UC1100101  Potamogeton richardsonii Herbert L. Mason 1947-8-13 13530 Modoc n of Canby (ne side of F Reservoir) Comment
  UC1099850  Potamogeton striatus Herbert L. Mason 1947-8-15 13540 Modoc e. side Goose Lake (mouth of Crane Creek on Willow Ranch) Comment
  UC1746076  Potamogeton zosteriformis Annetta M. Carter 1946-8-18 1774 Modoc Canby Creek W of Canby. 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
  CHSC116071  Potentilla biennis Lowell Ahart; John Dittes 2015-7-16 20373 Modoc South edge of Ash Creek (destroyed), southeast of the gravel pit (destroyed), about 1/8 mile east of the parking area on the east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  JEPS124367  Potentilla biennis Lowell Ahart, John Dittes 2015-7-16 20373 Modoc Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. Comment
  RSA59518  Potentilla biennis E. K. Balls 1950-5-21 14823 Modoc Along roadside ditch just above South Fork Camp, likely to Jess Valley 1433 Comment
  RSA233766  Potentilla biennis Robert F. Thorne 1969-9-5 39172 Modoc Modoc National Forest, Warner Mts, along Fall Creek below Falls. 1738 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-BC214747  Potentilla breweri Francis Dorris Payne 1932-7-1 656 Modoc Pine Creek Basin, Warner Mts. Comment
  CAS-BOT-BC214748  Potentilla breweri Annie Montague Alexander; L. Kellogg 1946-6-30 4872 Modoc Highgrade, W side of ridge, N end of Warner Mts. 2377 Comment
  JEPS120517  Potentilla breweri L. P. Janeway, B. Castro 2012-7-27 11023 Modoc Warner Mountains. North-sloping meadow opening just above Mineral Spring, 0.5 air km east of Yellow Mountain. Comment
  CAS-BOT-BC214787  Potentilla gracilis C. C. (Mrs.) Bruce 1899-6-1 75 Modoc Davis Creek. Comment
  CHSC70770  Potentilla gracilis var. fastigiata A. Sanger 1997-7-8 2557 Modoc Quaking Aspen Spring within and north of Aspen stand. 1469 Comment
  JEPS47213  Potentilla gracilis var. fastigiata Frances D. Payne 1931-6-17 182 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  UC903241  Potentilla gracilis var. fastigiata Frances Payne 1931-6-17 181 Modoc Parker Creek, Warner Mountains south and east of Alturas. 1584 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
  JEPS44223  Potentilla gracilis var. flabelliformis W. L. Jepson 1918-8-9 7911 Modoc Ft. Bidwell 1432 Comment
  UC191284  Potentilla gracilis var. flabelliformis Milo S. Baker 1893-7-2 Modoc Comment
  POM312884  Potentilla rivalis Verne Grant 1947-8-27 8318 Modoc Southwest end of Clear Lake. Comment
  UC1191496  Potentilla rivalis Herbert L. Mason, Verne Grant 1947-7-12 13404 Modoc Irrigation ditch by Jones' Lane off Highway 395 several mi s Alturas; s of Alturas Comment
  CAS-BOT-BC225019  Poteridium annuum R. K. Gierisch; D. H. Esplin 1969-7-17 3551 Modoc Shields Creek. 1524 Comment
  CAS-BOT-BC225024  Poteridium annuum K. Paulson; Robert Paulson 1988-6-19 42 Modoc W of Cranby Bridge. 1310 Comment
  RSA488044  Prunus andersonii Bruce Bartholomew, B. Anderson 1988-5-13 4140 Modoc N side of Dorris Reservoir, ca. 4 km E of Alturas along Parker Creek Road. 1340 Comment
  CAS-BOT-BC214807  Prunus emarginata Annie Montague Alexander; L. Kellogg 1946-6-28 4859 Modoc Pine Creek Canyon, N end of Warner Mts. 2103 Comment
  OBI10066  Prunus emarginata H. E. McMinn 1931-5-23 2473 Modoc Warner Mts Comment
  UC71596  Prunus emarginata Mrs. M. H. Manning 1903-9-15 7 Modoc near Fort Bidwell (in north-eastern Modoc County) Comment
  UC12747  Prunus emarginata Milo S. Baker 1893-6 Modoc Comment
  CHSC106334  Prunus subcordata Lowell Ahart; John Dittes 2010-8-30 17062 Modoc Around a large rock, near the homestead, about 100 yards east of the fence, 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
  JEPS19416 Image available Prunus subcordata B. C. Goldsmith Modoc e edge Goose Lake Valley (w slope of mountains); Warner Mts.; Goose Lake Valley, Warner Mts. Comment
  POM88418  Prunus subcordata R. M. Austin 1895-1 41 Modoc Goose Lake (Ross Canyon). Comment
  RSA210821  Prunus subcordata Robert F. Thorne, C. W. Tilforth 1969-9-4 39053 Modoc N Fork of Pit River. 6.8 miles N of parker Creek on Hwy 395. Comment
  UC1075726  Prunus subcordata Robert J. Weatherby 1955-7-8 1630 Modoc 6 mi N of Ft. Bidwell; Warner Mountains 1645 Comment
  CAS-BOT-BC214812  Prunus subcordata R. M. Austin 1898-6-1 2343 Modoc Modoc County. Comment
  JEPS44918  Prunus virginiana var. demissa W. L. Jepson 1918-8-9 7908 Modoc North Fork Bidwell Creek 1828 Comment
  JEPS46229  Prunus virginiana var. demissa F. H. Frost 1925-7-11 29 Modoc 2 mi above Cedarville (Cedar Canyon campsite); Cedar Canyon campsite Comment
  UCD91504  Pseudoroegneria spicata Beecher Crampton; Carl Rimbey 1954-7-7 2149 Modoc Modoc County, 3 miles west of Cedarville, east side of Cedar Pass, Warner Mountains. Comment
  UCD91523  Pseudoroegneria spicata E. Wilson 1934-8-14 s.n. Modoc About 25 miles West of Alturas. Comment
  RSA180205  Pseudoroegneria spicata subsp. spicata Clare B. Hardham 1961-6-19 7861 Modoc Pine Creek 1585 Comment
  UC1024942  Pseudoroegneria spicata subsp. spicata Leo Whitney 1935-7-2 3329 Modoc 17 mi nw of Canby (Badger Wells); Badger Wells Comment
  UC1024990  Pseudoroegneria spicata subsp. spicata Leo Whitney 1935-7-7 3398 Modoc 4 mi nw of Canby (Howard Gulch); Howard Gulch Comment
  UC1025002  Pseudoroegneria spicata subsp. spicata Leo Whitney 1935-7-11 3460 Modoc 15 mi nw of Canby (Modoc National Forest, Hackamore); Modoc National Forest, Hackamore 1463 Comment
  CAS-BOT-BC497463  Pseudostellaria jamesiana B. Bartholomew 1993-6-12 6595 Modoc Above the road to Day Rock from Little Hot Spring Valley 1260 Comment
  POM267209  Pseudostellaria jamesiana Marion Ownbey 1940-7-1 2142 Modoc Cedar Peak, Warner Mountains. Comment
  JEPS46213  Pseudostellaria jamesiana F. H. Frost 1925-7-12 51 Modoc Stow's Meadow Cedar Canyon (Cedar Canyon, Warner Mountains); Warner Mountains, , Stow's Meadow Comment
  RSA550613  Pseudotsuga menziesii Bruce Bartholomew 1992-5-14 6273 Modoc Northeast side of White Horse Mountains, southwest of White Horse Flat Reservoir. 1400 Comment
  CAS-BOT-BC50386  Psilocarphus brevissimus var. brevissimus Herbert Louis Mason; Verne Grant 1947-7-10 13328 Modoc Dorris Reservoir, 2 miles E of Alturas Comment
  JEPS30615  Psilocarphus oregonus Peter H. Raven and Otto T. Solbrig 1958-6-18 13321 Modoc 8.8 mi s Happy Camp Guard Station; Modoc National Forest Comment
  UCD32718  Puccinellia Beecher Crampton 1954-7-7 2155 Modoc Modoc County, 2.5 miles east of Alturas, near radio station KCNO. Comment
  CAS-BOT-BC218226  Purshia tridentata var. tridentata Belknap C. Goldsmith 1910-4-29 4 Modoc Alturas. 1371 Comment
  CAS-BOT-BC218232  Purshia tridentata var. tridentata Robert Patterson; Mona Bourell 1993-8-15 5236 Modoc Warner Mountains. Along trail from Patterson Lake to ca. 2 mi north towards Pepperdine Trailhead. 2743 Comment
  JEPS44641  Purshia tridentata var. tridentata Frances D. Payne 1931-7-11 152 Modoc s and e of Alturas (Parker Creek); Warner Mountains 1584 Comment
  CAS-BOT-BC95687  Pyrola picta Leland S. Smith 1917-9-17 160 Modoc Lassen Creek. 2133 Comment
  CAS-BOT-BC95692  Pyrola picta Bruce Bartholomew 1994-8-22 6870 Modoc Squaw Peak Trail, E side of the Warner Mountains. 2350 Comment
  CAS-BOT-BC497311  Pyrola picta B. Bartholomew 1991-8-6 6078 Modoc Emerson Trail between Emerson Camp Ground and N. Emerson Lake, E side of Warner Mts. 1920 Comment
  RSA606134  Pyrrocoma carthamoides var. cusickii L. C. Wheeler 1935-8-12 3827 Modoc Cottonwood Creek, Warner Mountains. 1677 Comment
  CAS-BOT-BC50400  Pyrrocoma hirta var. lanulosa Fred. P. Cronemiller 1920-8-30 26 Modoc Windmill Flat. 1524 Comment
  CAS-BOT-BC50351  Pyrrocoma lanceolata var. lanceolata John Thomas Howell 1934-6-15 12185 Modoc Alturas. Comment
  CAS-BOT-BC50353  Pyrrocoma lanceolata var. lanceolata Bruce Bartholomew 1990-6-18 5365 Modoc S side of Goose Lake, ca. 5 km SSE of McGinty Point. 1400 Comment
  UC86535  Pyrrocoma racemosa var. paniculata Mrs. R. M. Austin Aug 1886 Modoc Goose Lake Comment
  RSA504608  Quercus garryana var. garryana Bruce Bartholomew, B. Anderson 1988-6-23 4261 Modoc 1.8 km WSW of Day on County Road 94. 1170 Comment
  CAS-BOT-BC180123  Quercus kelloggii Leland S. Smith 1922-8-1 1326 Modoc Bieber Allot foothills, S of Thompson's. 1219 Comment
  OBI47988  Ranunculus Rhonda Riggins 1989-4-28 1662 Modoc Pencil Rd 4.4 mi N fo hwy 395 E of Alturas 1524 Comment
  CAS-BOT-BC217255  Ranunculus alismifolius Bruce Bartholomew; M; M. Gilbert; L. E. Skog 1993-5-12 6524 Modoc W side of Whitehorse Reservoir. 1360 Comment
  JEPS96526  Ranunculus alismifolius var. alismellus Dean W. Taylor 1992-5-8 12567 Modoc Warner Mountains, Mt. Bidwell, ca. 0.5 miles E of Moonlite Mines 2432 Comment
  POM275137  Ranunculus alismifolius var. hartwegii A. M. Alexander 1946-6-8 4696 Modoc Road from Eagleville to Patterson Mill. 2287 Comment
  CAS-BOT-BC217258  Ranunculus andersonii Bruce Bartholomew; Barrett Anderson 1988-5-13 4163 Modoc Granger Summit, ca. 10 km NW of Pepperdine at the top of the Warner Mts.. 1770 Comment
  CAS-BOT-BC217264  Ranunculus aquatilis var. aquatilis Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-15 16519 Modoc On mesa 11 mi. W of Canby, along Calif. St. Highway 139. Comment
  CAS-BOT-BC379165  Ranunculus aquatilis var. aquatilis Alice Eastwood; John Thomas Howell 1937-6-19 4550 Modoc near Yorkville Comment
  CAS-BOT-BC379167  Ranunculus aquatilis var. aquatilis Clare R. Wheeler; Gladys L. Smith 1979-5-27 1100 Modoc Red Mountain, BLM access road, 10 mi E of Hwy 101, N of Leggett 91 Comment
  CAS-BOT-BC379168  Ranunculus aquatilis var. aquatilis Clare R. Wheeler 1985-6-27 3752 Modoc Mendocino National Forest, Lily Pad Lake, 1 mi below and SE of Mount Sanhedrin Lookout 1646 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
  SEINET12087540  Ranunculus austinae R. M. Austin 1894-1 s.n. Modoc E of Willow Creek Comment
  CHSC112764  Ranunculus cymbalaria Lowell Ahart; John Dittes 2013-7-24 18938 Modoc South margin of Ash Creek Canal, south of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. 1268 Comment
  JEPS124388  Ranunculus cymbalaria Lowell Ahart, John Dittes 2015-7-15 20348 Modoc Ash Creek State Wildlife Area, about 3.9 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. Comment
  RSA0114935  Ranunculus cymbalaria Lowell Ahart, John Dittes 2013-7-24 18938 Modoc South margin of Ash Creek Canal, south of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. 1269 Comment
  UC634961  Ranunculus cymbalaria var. saximontanus F. H. Frost 1925-7-11 9 Modoc 2 mi above Cedarville; Warner Mts., Cedar Canyon Comment
  RSA84866  Ranunculus cymbalaria var. saximontanus F. W. Peirson 1926-6-26 6906 Modoc Alturas to Canby Comment
  CAS-BOT-BC217237  Ranunculus eschscholtzii var. oxynotus Elmer Ivan Applegate 1932-8-1 8047 Modoc Arid, rocky E slope of Warren Peak, Warner Mts. Comment
  UC71851  Ranunculus glaberrimus Mrs. M. H. Manning 1903-3-24 54 Modoc near Fort Bidwell (ne Modoc Co.) Comment
  UC1191128  Ranunculus glaberrimus William P. Dasmann 1947-4-19 32 Modoc Saddle Blanket Flat area 1371 Comment
  UC9439  Ranunculus glaberrimus Mrs. R. M. Austin and Bruce May 1898 2299 Modoc Goose Lake; fields Comment
  POM100512  Ranunculus glaberrimus var. ellipticus R. M. Austin 1895-07 s.n. Modoc Goose Lake Valley. Comment
  OBI48153  Ranunculus macounii Rhonda Riggins 1989-4-28 1672 Modoc 0.3 mi W West Warner Rd on Parker Crk rd, W side Warner Mts. T41N, R14E, sec 27 Comment
  CAS-BOT-BC217179  Ranunculus occidentalis Bruce Bartholomew; Barrett Anderson 1988-5-12 4096 Modoc White Horse. 1340 Comment
  UC615121  Ranunculus occidentalis Beryl O. Schreiber 1934-6-10 1160 Modoc Lost Lake Warner Mountains (marsh) Comment
  CAS-BOT-BC217180  Ranunculus occidentalis var. dissectus Annie Montague Alexander; L. Kellogg 1946-6-8 4697 Modoc Road from Eagleville to Patterson Mill. 2286 Comment
  CAS-BOT-BC217218  Ranunculus occidentalis var. dissectus Annie Montague Alexander; L. Kellogg 1946-6-7 4673 Modoc 0.5 mi. E of Cedarville. 1453 Comment
  CAS-BOT-BC217221  Ranunculus occidentalis var. dissectus Edward Kent Balls 1950-5-11 14616 Modoc 8 mi. N of Lake City, W side of Upper Lake. 1402 Comment
  RSA59533  Ranunculus occidentalis var. eisenii E. K. Balls 1950-5-20 14807 Modoc 2.1 miles above S Fork Public Camp, aldong S Fork Pit River to Jess Valley 1463 Comment
  CAS-BOT-BC217215  Ranunculus occidentalis var. ultramontanus Roxana Stinchfield Ferris; R. Duthie 1919-6-13 48 Modoc Parker Creek near Modoc Nat. Forest Boundary. Comment
  UC9496  Ranunculus repens Mrs. R. M. Austin and Bruce July 1898 2298 Modoc Goose Lake Valley Comment
  CAS-BOT-BC217156  Ranunculus testiculatus Bruce Bartholomew; Barrett Anderson 1988-5-14 4205 Modoc Hager Basin Reservoir between Crowder Flats and Big Sage Reservoir on USFS road 48N08. 1530 Comment
  HSC11525  Ranunculus testiculatus M. T. Milligan 1964-4-25 Modoc 1 mi. up Barns Grade Rd. at stock pens Comment
  JEPS3949  Ranunculus uncinatus N. T. Mirov 1929-7-4 Modoc about one mi s Oregon-California boundary; Warner Mountains, Lily Lake 2133 Comment
  NY495031  Ranunculus uncinatus M. J. Williams 1984-6-30 8480- 8 Modoc Seepage area near a reservoir, 6.8 miles west of Cedarville-Gerlach road. 1981.2 Comment
  RSA152697  Ranunculus uncinatus I. L. Wiggins, Dorothy B. Wiggins 1961-6-12 16395 Modoc Margin of marshy area along Thomas Creek, 6.1 miles E of California Hwy 299, on road to Cedarville Comment
  CAS-BOT-BC6201  Rhamnus rubra subsp. modocensis Elmer Ivan Applegate 1897-5-31 863 Modoc 7 mi. SE of Dry Lake. Comment
  RSA204122  Ribes aureum J. T. Howell 1934-6-13 12096 Modoc Patterson Mill Road, Warner Mtns. 1677 Comment
  RSA488571  Ribes aureum Bruce Bartholomew, B. Anderson 1988-5-14 4188 Modoc 2 km. S of McGinty Point, edge of causeway across the SW corner of Goose Lake. 1430 Comment
  UCD102110  Ribes aureum Verne Grant; Irving Schneider 1947-7-22 8157 Modoc at headwaters of North Fork of Pit River, one mile northwest of Highway 395, on dirt road leading to south end of Goose Lake. Comment
  UC465779  Ribes aureum M. F. Gilman 527 Modoc Comment
  CAS-BOT-BC225867  Ribes cereum John H. Hatton 1911-6-13 73 Modoc unspecified 1493 Comment
  CAS-BOT-BC225872  Ribes cereum C. L. Hitchcock 1940-5-27 6695 Modoc 15 mi. NE of Alturas. 1615 Comment
  CAS-BOT-BC225886  Ribes cereum Bruce Bartholomew; Barrett Anderson 1988-6-24 4297 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-BC225895  Ribes cereum K. Paulson; Robert Paulson 1989-6-14 135 Modoc Ca. 1.5 mi. NE of Cedar Pass, Warner Mts. 1905 Comment
  JEPS43511  Ribes cereum Frances D. Payne 1931-6-10 142 Modoc s and e Alturas (Parker Creek); Warner Mountains 1584 Comment
  NY454992  Ribes cereum B. M. Bartholomew 1989-4-29 4685 Modoc Surprise Valley Road, just south of the Oregon border, extreme northeast corner of Modoc County 1630 Comment
  NY454995  Ribes cereum B. Anderson 1986-7-9 3185 Modoc Warner Mountains. Stough Reservoir Road just east of Cedar Pass near Stough Reservoir 1965 Comment
  SBBG27517  Ribes cereum C. L. Hitchcock 1940-5-27 6695 Modoc 15 mi NE of Alturas 1615 Comment
  UC71794  Ribes cereum Mrs. M. H. Manning 1902-10-11 37 b Modoc ne Modoc Conty Comment
  UC858418  Ribes cereum C. L. Hitchcock 1940-5-27 6695 Modoc 15 mi ne Alturas 1615 Comment
  RSA59647  Ribes cereum E. K. Balls 1950-5-12 14644 Modoc Above Bucks Creek Ranger Station, Modoc National Forest, east of Goose Lake. 1738 Comment
  CAS-BOT-BC225898  Ribes inerme var. inerme Roxana Stinchfield Ferris; R. Duthie 1919-6-13 55 Modoc Parker Creek near Modoc National Forest Boundary. Comment
  JEPS49402  Ribes inerme var. inerme Leland S. Smith 1918-8-13 1033 Modoc Lost Lake, Silver Creek, Modoc Forest. 2194 Comment
Read comments
Jan 11 2007
  JEPS49409  Ribes inerme var. inerme Mrs. M. H. Manning 1907-1-1 Modoc e side Mt. Bidwell; 12 mile Creek Comment
  SBBG2779  Ribes montigenum H. and M. Dearing 1939-6-8 3605 Modoc Lily Lake, Warner Mtns 1828 Comment
  CAS-BOT-BC225916  Ribes velutinum Bruce Bartholomew; Barrett Anderson 1988-5-12 4137 Modoc Along the N side of the Pit River, 0.5 km W of State Highway 299 on Bushey Road. 1310 Comment
  CAS-BOT-BC225922  Ribes velutinum B. Clear 1945-8-8 s.n. Modoc Fire Tower, Newell. Comment
  SJSU9606  Ribes velutinum Wayne Savage 1979-7-5 1379 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  CAS-BOT-BC225936  Ribes viscosissimum Bruce Bartholomew; Barrett Anderson 1988-6-24 4298 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-BC225940  Ribes viscosissimum Bruce Bartholomew 1994-5-28 6720 Modoc Between Cold Spring and Cottonwood Flat, W side of Warner Mts. 1880 Comment
  CAS-BOT-BC225944  Ribes viscosissimum P. Monnet 1913-7-7 871 Modoc Warner's Range. 2286 Comment
  HSC29862  Ribes viscosissimum D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19439 Modoc Upper Rush Creek Campground, about 8 mi. N of Adin on Hwy. 299 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
  UC748481 Image available Ribes viscosissimum Annie M. Alexander and Louise Kellogg 1946-6-15 4772 Modoc Deep Creek 1981 Comment
  RSA0020909  Ribes viscosissimum Bruce Bartholomew, B. Anderson 1988-6-24 4298 Modoc Road beyond Poison Lake, ca. 8 km S of the road from Hwy 395 to Lily Lake, Warner Mountains. 2130 Comment
  CAS-BOT-BC50366  Rigiopappus leptocladus Francis Dorris Payne 1932-6-10 638 Modoc Parker Creek. 1584 Comment
  CAS-BOT-BC50372  Rigiopappus leptocladus Annie Montague Alexander; L. Kellogg 1946-6-17 4789 Modoc Open plain 10 mi. NE of Alturas, Cedar Pass road. Comment
  CDA37893  Rorippa austriaca J. L. Johnson 1973-1 s.n. Modoc 0 Comment
  CAS-BOT-BC58414  Rorippa curvisiliqua Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10561 Modoc Patterson Ranger Station (East Creek drainage), Warner Mts. 2164 Comment
  CAS-BOT-BC58418  Rorippa curvisiliqua Leland S. Smith 1922-7-7 1261 Modoc Near Ft. Bidwell, along boundary of Forest. 1737 Comment
  JEPS114450  Rorippa curvisiliqua var. orientalis Lowell Ahart, John Dittes 2008-6-21 15000 Modoc In the drying pond, north of the large culvert, east of the large levee, in Big Valley, about 2.8 miles (air) north of the Headquarters at Ash Creek State Wildlife Area, about 5.4 miles (air) northeast of Bieber 1255 Comment
  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
  UC1191534  Rorippa nasturtium-aquaticum Verne Grant and Irving Schneider 1947-7-19 8078 Modoc in Pit Valley s Alturas (Williams Ranch, along Southern Pacific right-of-way near East Canal); Pit Valley s of Alturas Comment
  SEINET5763345 Image available Rorippa sinuata John Thomas Howell 1934-1 12019 Modoc Plum Valley; Warner Mountains Comment
  UC748374  Rorippa sinuata Annie M. Alexander and Louise Kellogg 1946-6-20 4811 Modoc Eagleville 1440 Comment
  UC71704  Rosa gymnocarpa Mrs. M. H. Manning 49 Modoc near Fort Bidwell (ne Modoc Co.) Comment
  CAS-BOT-BC218249  Rosa woodsii var. ultramontana Bruce Bartholomew 1989-7-14 4930 Modoc Along Rush Creek between Lower and Upper Rush Creek Campgrounds. 1580 Comment
  CAS-BOT-BC218263  Rosa woodsii var. ultramontana Annie Montague Alexander; L. Kellogg 1946-7-12 4989 Modoc Twelve Mile Creek. Comment
  JEPS47231  Rosa woodsii var. ultramontana Frances D. Payne 1931-6-17 161 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  JEPS47233  Rosa woodsii var. ultramontana Frances D. Payne 1931-6-20 207 Modoc s and e Alturas (along streams); Warner Mountains, Parker Creek 1584 Comment
  RSA0113966  Rosa woodsii var. ultramontana Lowell A. Ahart, John Dittes 2008-8-26 15348 Modoc Southeast side of Rose Creek, 750 feet southwest of confluence of Rose Creek and Pit River, on the northwest side of unnamed road, 2,660 feet east of intersection with County Road 85a, 9.3 miles (air) north-northeast of Lookout. 1277 Comment
  UC1075761  Rosa woodsii var. ultramontana Robert J. Weatherby 1955-7-8 1627 Modoc 5 mi n Ft. Bidwell; no. Warner Mts. 1783 Comment
  HSC80700  Rubus parviflorus G. M. Riegel 1980-7-15 892 Modoc South Warner Mtns. 1670 Comment
  HSC17566  Rumex acetosella M. T. Milligan 1965-6-23 289 Modoc N end of Jess Valley 1616 Comment
  CAS-BOT-BC211341  Rumex crispus Bruce Bartholomew 1991-6-21 5827 Modoc W side of Goose Lake, 1.4 km N of junction with Forest Service road 73. 1450 Comment
  CHSC85129  Rumex crispus John Dittes; Josephine Guardino 1991-6-1 355 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
  JEPS127307  Rumex crispus Lowell Ahart, John Dittes 2016-7-14 21192 Modoc South of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin Big Valley. Comment
  CAS-BOT-BC211304  Rumex maritimus Bruce Bartholomew 1992-8-7 6354 Modoc Along the Pit River just SW of Canby Bridge. 1300 Comment
  UC1191271  Rumex maritimus Herbert L. Mason 1947-8-11 13509 Modoc Alturas, junction of North and South Forks of Pit River Pit River Comment
  UC1735897  Rumex maritimus Dean W. Taylor 1989-8-6 10500 Modoc Warner Mountains, Suprise Valley, warm spring on west shore Lower Lake 1363 Comment
  UCR67035  Rumex maritimus George K. Helmkamp 1990-9-23 J- 13 Modoc Warner Mtns, Goose Lake, within 0.1 mi of the Oregon border 1476 Comment
  CDA23184  Rumex occidentalis T. C. Fuller 1958-7-8 2031 Modoc 4 miles south of Pine Creek. 0 Comment
  UC6959  Rumex paucifolius M. S. Baker and Frank Nutting 1894-6-20 Modoc White Horse Lake Comment
  CAS-BOT-BC211313  Rumex salicifolius Bruce Bartholomew; Barrett Anderson 1988-7-23 4593 Modoc Pine Creek, 4 km E of U.S Highway 395 on the road to Lily Lake, Warner Mts.. 1620 Comment
  NY430601  Rumex salicifolius subsp. salicifolius B. M. Bartholomew 1988-7-23 4593 Modoc Pine Creek, 4 km east of US Highway 395 on the road to Lily Lake, Warner Mountains. Fort Bidwell 15' Quad. 1620 Comment
  UC1101209  Rumex salicifolius var. lacustris Herbert L. Mason and Verne Grant 1947-7-10 13336 Modoc 2 mi e Alturas; Dorris Reservoir Comment
  CHSC117496  Rumex triangulivalvis Lowell Ahart; John Dittes 2016-7-14 21193 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
  POM260470  Sagina saginoides C. L. Hitchcock 1940-5-27 6708 Modoc 15 miles NE of Alturas. 1677 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
  RSA0108535  Sagittaria cuneata F. W. Peirson 1926-6-26 6900 Modoc Alturas to Canby Comment
  UC1024330  Sagittaria cuneata Annie M. Alexander and Louise Kellogg 1946-7-6 4915 Modoc East Eagleville Comment
  CAS-BOT-BC225116  Salix boothii Francis Dorris Payne 1932-7-21 729 Modoc marsh S of Mosquito Lake, E side of Mt. Warren (Buck Mt.), Warner Mts., E of Alturas Comment
  POM184886  Salix boothii Frances D. Payne 1932-7-21 728 -a Modoc Marsh S of Mosquito Lake. E side of Mt. Warren (Buck Mt). Warner Mtns. E of Alturas. Comment
  UC482329  Salix boothii Frances D. Payne 1931-7-7 331 Modoc 33 km. se of Alturas; Warner Mts., Pine Creek Basin 2280 Comment
  UC492377  Salix boothii Frances D. Payne 1932-7-21 729 Modoc e of Alturas (marsh s of Mosquito Lake); Warner Mts., e side Mt. Warren (Buck Mt.) Comment
  SBBG59082  Salix eastwoodiae F. D. Payne 1931-6-25 275 Modoc Pine Crk Basin, ca. 33 km SE of Alturas 2280 Comment
  CAS-BOT-BC225769  Salix exigua Belknap C. Goldsmith 1911-5-28 28 Modoc County road, near Goose Lake. 1493 Comment
  NY187438  Salix exigua C. R. Ball 1931-6-30 488 Modoc Parker Creek, 20 km east of Alturas; meadow south of Payne Ranch 1560 Comment
  NY187440  Salix exigua N. F. Bracelin 1931-6-30 501 Modoc Alturas 1360 Comment
  SJSU194  Salix exigua Mrs. H. P. Bracelin 1931-6-30 501 Modoc SW end of Alturas 1371 Comment
  UC481959  Salix exigua Mrs. H. P. Bracelin and Miss Frances D. Payne 1931-6-30 495 Modoc 20 km. e Alturas (Parker Creek, meadow s of Payne Ranch) 1560 Comment
  CAS-BOT-BC229687  Salix lasiandra subsp. caudata H. P. Bracelin; Francis Dorris Payne 1931-6-30 497 Modoc Parker Creek, 20 km E of Alturas. 1560 Comment
  CAS-BOT-BC197563  Salix lasiandra var. lasiandra Bruce Bartholomew; Barrett Anderson 1988-7-22 4548 Modoc N side of the South Fork of Davis Creek, Warner Mts.. 2100 Comment
  JEPS119654  Salix lasiandra var. lasiandra Lowell Ahart, John Dittes 2012-7-10 18315 Modoc Ash Creek State Wildlife Area, about 3.4 miles (air) west of Adin, about 8.2 miles (air) northeast of Bieber, Big Valley. Comment
  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
  UC481931  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-29 487 Modoc halfway between Adin and Canby (1/10 mi s of Rush Creek Service Sta., some distance from Rush Cr.) 1350 Comment
  UCR133519  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-29 487 Modoc [vicinity of Adin Pass] Halfway between Adin and Canby 1350 Comment
  CAS-BOT-BC229671  Salix lasiolepis var. lasiolepis F. Angwin 1945-10-27 Modoc Ash Creek, Adin. 1371 Comment
  CAS-BOT-BC229666  Salix lemmonii A. D. Borden 1911-5-21 s.n. Modoc SE shore of Goose Lake. Comment
  CAS-BOT-BC229696  Salix lemmonii Louis Cutter Wheeler 1935-9-11 3971 Modoc Fletcher Creek, Devil's Garden. 1524 Comment
  UC473996  Salix lemmonii Frances D. Payne 1931-7-7 336 Modoc ca. 33 km. se Alturas; Warner Mts., Pine Creek Basin 2280 Comment
  UC1280859  Salix ligulifolia H. E. McMinn 1931-5-23 2467 Modoc Warner Mts. Comment
  RSA0039538  Salix lucida subsp. lasiandra Lowell A. 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-northeast of Lookout. 1273 Comment
  UCD111717  Salix lutea Mrs. H. P. Bracelin; Miss Frances D. Payne 1931-6-30 499 Modoc Parker Creek, 20 km. east of Alturas, south of Payne Ranch. 1560 Comment
  CAS-BOT-BC229848  Salix melanopsis H. P. Bracelin; Francis Dorris Payne 1931-6-30 493 Modoc Parker Creek, 20 km E of Alturas. 1560 Comment
  JEPS14854  Salix melanopsis Frances D. Payne 1931-6-10 140 Modoc Parker Creek Warner Mts., Parker Creek 1584 Comment
  CAS-BOT-BC229845  Salix prolixa Leland S. Smith 1917-6-21 54 Modoc Cantrall's Mill. 1828 Comment
  NY177718  Salix pseudocordata L. C. Wheeler 1935-8-13 3832 Modoc Warner Mts., Barnes Creek 2286.0 Comment
  NY188195  Salix scouleriana L. C. Wheeler 1935-8-3 3759 Modoc Pine Creek, Warner Mts. 1737.4 Comment
  CHSC106168  Salsola tragus Lowell Ahart; John Dittes 2010-8-31 17113 Modoc Elkins Lane, at the bridge across Ash Creek, Ash Creek State Wildlife Area, 4215 feet south 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-BC179252  Salvia aethiopis B. Bartholomew 1995-7-31 7078 Modoc Ca. 1.6 km N of turn off to Cedarville on U.S. Hwy 395. 1350 Comment
  SEINET14190203 Image available Salvia aethiopis P. C. Martinelli, T. C. Fuller 1974-7-19 s.n. Modoc Alturas area Comment
  CAS-BOT-BC179249  Salvia dorrii var. dorrii M. M. Hanna; G. Dallas Hanna 1956-6-5 Modoc Cedar Pass. Comment
  SJSU6170  Salvia dorrii var. incana J. W. Tilden 1958-6-25 1262 Modoc near Monument Headquarters, Lava Caves, Lava Beds National Monument Comment
  CAS-BOT-BC238784  Sambucus nigra subsp. caerulea Mrs. C. C. Bruce 1894-7-1 57 Modoc Davis Creek Comment
  HSC80927  Sambucus racemosa var. racemosa G. M. Riegel 1978-7-11 43 Modoc S Warner Mtns. 2100 Comment
  HSC27404  Sanguisorba annua D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19495 Modoc At Big Valley summit about 6 mi. W of Adin on Hwy. 299 Comment
  JEPS45509  Sanguisorba annua L. S. Smith 1918-6-14 936 Modoc South Slope Buck Creek Ranger Station and Willow Creek 1676 Comment
  POM139968  Sanguisorba annua M. S. Baker 1893-1 s.n. Modoc Forestdale. Comment
  HSC19732  Sanguisorba annua M. T. Milligan 1964-6-20 66 Modoc 4 mi. E of Hwy. 395 on Hwy. 299 1524 Comment
  RSA152608  Sanguisorba annua I. L. Wiggins, D. B. Wiggins 1961-6-12 16380 Modoc Near jct of Cedar Pass Rd and California State Hwy 299. 5.5 miles N of Alturas. Comment
  RSA164354  Sanicula graveolens Clare B. Hardham 1961-6-18 7590 -B Modoc Cedar Pass. 1829 Comment
  UC1598741  Sanicula graveolens M. S. Baker and Frank Nutting 1894-6-15 Modoc Forestdale Comment
  UCD128027  Sanicula graveolens Dean Wm. Taylor; Robert A. Price 1988-6-4 9741 Modoc Damons Butte, ca. 2.6 miles west of Highway 139. 1341 Comment
  SJSU9686  Sanicula graveolens W. Savage 1979-7-24 1566 Modoc Long Meadow Unit, Devils Garden District, Modoc National Forest 1615 Comment
  CAS-BOT-BC95239  Saponaria officinalis Verne Grant; I. Schneider 1947-8-24 8256 Modoc S end of Jess Valley, Warner Mts. Comment
  RSA520501  Saponaria officinalis Bruce Bartholomew 1989-8-10 5050 Modoc N side of Widow Valley, 10.1 km E of Day on County Road 94. Comment
  CAS-BOT-BC225956  Saxifraga nidifica var. nidifica Bruce Bartholomew 1994-5-28 6716 Modoc Vicinity of Cold Spring SE of Sugar Hill, W side of Warner Mts. 1880 Comment
  JEPS43513  Saxifraga oregana Frances D. Payne 1932-6-12 541 Modoc about 3 mi n of Parker Creek (e of Fern Springs, s and e of Alturas); Warner Mountains Comment
  CAS-BOT-BC245133  Schoenoplectus acutus var. occidentalis R. M. Austin 1895-8-1 487 Modoc Goose Lake. Comment
  UCD49970  Schoenoplectus pungens var. longispicatus Irving Schneider; Verne Grant 1947-7-19 8083 Modoc Williams Ranch, north of Likely. Comment
  UC1537641  Scirpus acutus var. occidentalis Gordon H. True Jr. 1939-7-21 1012 Modoc n Canby (Jack Swamp); , n of Canby Comment
  JEPS119848  Scirpus microcarpus Lowell Ahart, John Dittes 2012-7-12 18365 Modoc About 1/8 mile east of the parking area on the east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. Comment
  UC1100837  Scirpus microcarpus Herbert L. Mason, Verne Grant 1947-7-13 13346 Modoc Joseph Creek on Highway 395 n Davis Creek (e side Goose Lake); , Joseph Creek, n of Davis Creek Comment
  UCD48759  Scirpus nevadensis Herbert L. Mason; Verne Grant 1947-7-12 13436 Modoc Corporation Ranch Headquarters, north of Likely. Comment
  UC1100805  Scirpus pungens Herbert L. Mason 1948-9-4 13665 Modoc Rush Creek Mono Lake; , Mono Lake Comment
Read comments
Jun 2 2015
  HSC21139  Scrophularia californica R. C. Wunner 1965-6-20 215 Modoc California Lava Beds National Monument, Garden Bridges Cave 1524 Comment
  CAS-BOT-BC197841  Scrophularia lanceolata Alice Eastwood; John Thomas Howell 1940-6-12 8047 Modoc Between Likely and Jess Valley. Comment
  UC1192000  Scrophularia lanceolata Verne Grant and Irving Schneider 1947-7-20 8105 Modoc downstream from Alturas (Norht Fork of Pit river) Comment
  UC748462  Scrophularia lanceolata Annie M. Alexander and Louise Kellogg 1946-6-18 4806 Modoc base of bluff facing Lower Lake Comment
  CAS-BOT-BC179232  Scutellaria antirrhinoides Belknap C. Goldsmith 1912-7-1 60 Modoc Little Hot Spring Valley. 1219 Comment
  CAS-BOT-BC179226  Scutellaria nana John Thomas Howell 1934-6-30 12257 Modoc Duncan Horse Camp. 1355 Comment
  HSC81095  Scutellaria nana G. M. Riegel 1980-7-29 971 Modoc S Warner Mtns. 1739 Comment
  CAS-BOT-BC95608  Sedum lanceolatum Robert Patterson; Mona Bourell 1993-8-15 5270 Modoc Warner Mountains. Along trail from Patterson Lake to ca. 2 mi north towards Pepperdine Trailhead. 2743 Comment
  CAS-BOT-BC95612  Sedum lanceolatum Louis Cutter Wheeler 1935-8-11 3844 Modoc Pine Creek, Warner Mts. 2011 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
  UC1567433  Sedum rosea subsp. integrifolium G. Schoolcraft 1989-7-16 1954 Modoc s side Patterson Lake (Warner Mtns.); , s side Patterson Lake 2834 Comment
  CAS-BOT-BC69074  Sedum stenopetalum subsp. stenopetalum Clare B. Hardham 1961-6-18 7558 Modoc East of Cedar Pass 1828 Comment
  CAS-BOT-BC95620  Sedum stenopetalum subsp. stenopetalum Bruce Bartholomew 1990-6-17 5344 Modoc 4 km N of Buck Creek Ranger Station at turn off to Del Prat Spring, W side of Warner Mts. 1900 Comment
  RSA0078512  Sedum stenopetalum subsp. stenopetalum Bruce Bartholomew, B. Anderson 1988-7-22 4532 Modoc Mill Creek, Lake City Canyon, 5.5km W of Lake City, E side of the Warner Mtns. 1860 Comment
  SD87796  Sedum stenopetalum subsp. stenopetalum Frank W. Peirson 1926-6-25 6866 Modoc Cedarville road, Warner Mountains, west slope. Comment
  CAS-BOT-BC50338  Senecio aronicoides Robert Patterson; Mona Bourell 1993-8-15 5269 Modoc Warner Mountains. Along trail from Patterson Lake to ca. 2 mi north towards Pepperdine Trailhead. 2743 Comment
  HSC6136  Senecio aronicoides M. T. Milligan 1965-6-27 368 Modoc E slope of eroded volcanic plateau. 1677 Comment
  CDA8598  Senecio canus M. Carstens, D. Chambers 1979-7-6 Modoc Western county about 17 airline miles north of Lookout. 0 Comment
  RSA155790  Senecio eurycephalus P. H. Raven 1962-5-29 17892 Modoc Six miles east of Alturas. Comment
  HSC81127  Senecio fremontii G. M. Riegel 1979-9-6 750 Modoc South Warner Mtns. 1829 Comment
  CHSC67086  Senecio hydrophiloides James D. Jokerst 1987-5-12 2840 Modoc Radar Survey Site S of Doublehead Mtn., N end of central sector. Comment
  UC71605  Senecio hydrophilus Mrs. M. H. Manning 1903-8-25 325 Modoc Sessions Swamp Sessions Swamp (north-eastern Modoc County) Comment
  CAS-BOT-BC50252  Senecio integerrimus var. exaltatus Bruce Bartholomew; Barrett Anderson 1989-6-1 4744 Modoc ca. 0.5 km S of State Hwy 299 on road to Shaker Spring. 1420 Comment
  CAS-BOT-BC50290  Senecio integerrimus var. exaltatus Francis Dorris Payne 1932-6-24 599 Modoc Parker Creek. 1584 Comment
  RSA0124985  Senecio integerrimus var. exaltatus Clare B. Hardham 1961-6-18 7588 Modoc Cedar Pass. 1828 Comment
  UC615050  Senecio integerrimus var. exaltatus Beryl O. Schreiber 1934-6-19 1165 Modoc Lost Lake Warner Mountains Comment
  CAS-BOT-BC50275  Senecio triangularis Bruce Bartholomew 1989-8-11 5064 Modoc Along Lassen Creek near SE side of Harris Flat, Warner Mountains. 1920 Comment
  RSA0011804  Shepherdia argentea Elmer I. Applegate 1932-7-6 8189 Modoc Between Eagleville and Cedarville. Surprise Valley. Comment
  UC748398  Sibbaldia procumbens Annie M. Alexander and Louise Kellogg 1946-6-27 4853 Modoc 2 mi by road from Dismal Swamp (Highgrade, n end of Warner Mountains); Warner Mountains, Highgrade 2377 Comment
  UCD116666  Sidalcea glaucescens Jack Major 1966-6-24 s.n. Modoc above Goose Lake, west side of Fandango Pass. 1645 Comment
  CAS-BOT-BC179066  Sidalcea oregana subsp. oregana Alice Eastwood; John Thomas Howell 1940-6-12 8040 Modoc Between Likely and Jess Valley. Comment
  CAS-BOT-BC179071  Sidalcea oregana subsp. oregana Bruce Bartholomew; Barrett Anderson 1989-6-3 4886 Modoc Boles Creek, ca. 5.5 km E of the SE corner of Clear Lake Reservoir. 1430 Comment
  CAS-BOT-BC179087  Sidalcea oregana subsp. oregana Bruce Bartholomew 1991-6-20 5770 Modoc Just N of Lassen County line on county road 90. 1220 Comment
  CAS-BOT-BC179096  Sidalcea oregana subsp. oregana E. S. Willits 1940-5-17 259 Modoc Willow Ranch. Comment
  SJSU9695  Sidalcea oregana subsp. oregana W. Savage 1979-7-20 1547 Modoc Oregon Rim Unit, Devils Garden District, Modoc National Forest 1493 Comment
  UC18887  Sidalcea oregana subsp. oregana Milo S. Baker Jul 11 1893-Jan 1 1900 Modoc Comment
  UC18927  Sidalcea oregana subsp. oregana Milo S. Baker 1893-7-10 Modoc Comment
  CHSC117013  Sidalcea oregana subsp. spicata Lowell Ahart; John Dittes 2016-6-6 20954 -A Modoc About 40 yards west of the dirt road, about 50 yards southwest of the intersection of County Road 87 and Access Road to Pilot Butte Parking area, northeast base of Pilot Butte, 3.8 miles (air) east of Lookout, 7.5 miles (air) west of Adin, Ash Creek State Wildlife Area 1271 Comment
  JEPS67274  Sidalcea oregana subsp. spicata Frances D. Payne 1931-6-20 205 Modoc s and e Alturas (Parker Creek, Warner Mountains); Warner Mountains, s and e of Alturas, Parker Creek 1584 Comment
  RSA448221  Sidalcea oregana subsp. spicata George Willet 1935-6-12 s.n. Modoc 4 miles E. of Likely 1524 Comment
  NY446741  Silene douglasii F. M. Ownbey 1940-7-1 2154 Modoc Cedar Peak, Warner Mountains Comment
  SD61017  Silene douglasii Darley F. Howe 1964-7-31 Modoc 8.5 miles from entrance on road from Likely. Modoc National Forest, Warner Mountains. 1550 Comment
  SEINET11944331  Silene douglasii M. Ownbey, Meyer, F. G. 1940-1 2154 Modoc Cedar Peak, Warner Mts Comment
  CAS-BOT-BC95244  Silene douglasii var. douglasii Bruce Bartholomew; Barrett Anderson 1990-7-20 5489 Modoc 10.3 km N of Buck Creek Ranger Station, crest of Warner Mountains W side of Warner Mts. 2130 Comment
  CHSC69258  Silene douglasii var. douglasii Marion Ownbey; Fred G. Meyer 1940-7-1 2154 Modoc Cedar Peak, Warner Mts. Comment
  RSA65696  Silene douglasii var. douglasii F. W. Peirson 1926-6-25 6898 Modoc Small side canyon 1 mile east of summit of Warner Mountains on Cedarville Road. Comment
  CAS-BOT-BC95264  Silene menziesii Annie Montague Alexander; L. Kellogg 1946-7-7 4947 Modoc Eight Mile Creek, NE corner of county. 1752 Comment
  CAS-BOT-BC95042  Sisymbrium altissimum Bruce Bartholomew 1994-10-8 6875 Modoc 1 km S of Lookout - Adin Road on County Road 87A. 1260 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
  UCR67470  Sisymbrium altissimum George K. Helmkamp 1990-9-23 I- 18 Modoc Warner Mtns, Goose Lake, within 0.1 mi of the Oregon border 1476 Comment
  UC4231  Sisyrinchium bellum Milo S. Baker 1893-6 Modoc Egg Leake Island Comment
  HSC13935  Sisyrinchium idahoense var. idahoense M. T. Milligan 1965-7-11 445 Modoc N end of Jess Valley 1616 Comment
  JEPS62142  Smilacina stellata Leland S. Smith 1918-5-31 931 Modoc Buck Creek Ranger Station Modoc National Forest, Fandango Valley 1676 Comment
  CHSC117255  Solanum physalifolium var. nitidibaccatum Lowell Ahart; John Dittes 2016-7-14 21199 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
  RSA0020576  Solanum physalifolium var. nitidibaccatum Louis C. Wheeler 1935-8-6 3798 Modoc Mouth Pine Creek, Warner Mountains. 1509 Comment
  UC1191778  Solanum triflorum Herbert L. Mason, Verne Grant 1947-7-10 13341 Modoc 2 mi e of Alturas (Dorris Reservoir); Dorris Reservoir Comment
  CAS-BOT-BC245425  Solanum triflorum Carl Brandt Wolf 1931-9-5 2399 Modoc 2 mi. above the east base of the grade on the road from Lake City to Davis Creek, Warner Mts. 1676 Comment
  CAS-BOT-BC245428  Solanum triflorum Belknap C. Goldsmith 1912-9-1 74 Modoc Modoc County. 1341 Comment
  CAS-BOT-BC54287  Solidago canadensis subsp. elongata C. C. (Mrs.) Bruce 1894-8-1 61 Modoc Davis Creek. Comment
  UC672224  Solidago elongata F. H. Frost 1925-7-24 118 Modoc Jess Valley , Jess Valley (Warner Mts.) Comment
  JEPS114432  Solidago velutina subsp. californica Lowell Ahart, John Dittes 2008-8-26 15343 Modoc On the banks of Rose Creek, 250 feet southwest of the confluence of Rose Creek and Pit River, on the northwest side of unnamed road, 3,160 feet east of intersection with County Road 85a, 9.3 miles (air) north-northeast of Lookout 1276 Comment
  CAS-BOT-BC54292  Sonchus asper subsp. asper Bruce Bartholomew 1994-5-28 6710 Modoc 8.5 km E of Likely on road to Jess Valley along the S Fork of the Pit River. 1620 Comment
  CHSC117361  Sonchus asper subsp. asper Lowell Ahart; John Dittes 2016-7-14 21157 Modoc West side of a new pond, south of Ash Creek Canal (now filled in), south of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. 1273 Comment
  CAS-BOT-BC158915  Sorbus scopulina K. Paulson; R. Paulson 1991-8-28 253 Modoc Poison Lake, N end of Warner Mountains 1828 Comment
  CAS-BOT-BC158918  Sorbus scopulina A. D. Borden 1911-8-1 s.n. Modoc Along high run on south slope of south fork of Parker Creek, Modoc Forest. Comment
  POM312950  Sparganium angustifolium subsp. emersum Verne Grant, Irving Schneider 1947-7-22 8137 Modoc N Fork of Pit River by State Quarantine Station, Hwy 395, N of Alturas. Comment
  POM332462  Sparganium angustifolium subsp. emersum J. P. Smith, J. O. Sawyer 1973-8-9 7269 Modoc Blue Lake, Modoc National Forest. 1829 Comment
  JEPS119852  Sparganium emersum Lowell Ahart, John Dittes 2012-7-10 18326 Modoc Ash Creek State Wildlife Area, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley. Comment
  UCD94837  Sparganium emersum Verne Grant; Irving Schneider 1947-7-18 8057 Modoc South loop of eastside road in Pit River Valley, S of Alturas. Comment
  UC1099921  Sparganium emersum var. emersum Herbert L. Mason 1947-8-15 13562 Modoc 11 mi from Davis Creek (spring leading to w side of Goose Lake) Comment
  UC441314  Sparganium natans Milo S. Baker 1899-8-12 Modoc Egg Lake Comment
  CAS-BOT-BC95284  Spergularia rubra Bruce Bartholomew; Barrett Anderson 1988-7-23 4583 Modoc Dismal Swamp, Warner Mts.. 2180 Comment
  CAS-BOT-BC179205  Stachys pilosa Alice Eastwood; John Thomas Howell 1940-6-12 8052 Modoc Between Likely and Jess Valley. Comment
  CAS-BOT-BC179207  Stachys pilosa Francis D. Payne 1931-6-17 183 Modoc Parker Creek. 1584 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-BC179212  Stachys pilosa Annie Montague Alexander; L. Kellogg 1946-7-12 4984 Modoc Twelve Mile Creek, NE corner of county. Comment
  SBBG54632  Stellaria longipes V. Grant, Irving Schneider 1947-8-24 8252 Modoc Jess Valley Comment
  HSC80706  Stellaria longipes subsp. longipes G. M. Riegel 1980-8-8 1014 Modoc S Warner Mtns. 1670 Comment
  CAS-BOT-BC95291  Stellaria longipes var. longipes Bruce Bartholomew; Barrett Anderson 1988-7-22 4515 Modoc SE side of Sunflower Knob, southern end of the Warner Mts.. 2160 Comment
  CAS-BOT-BC95293  Stellaria longipes var. longipes Bruce Bartholomew 1989-8-11 5094 Modoc Vicinity of Patterson Ranger Station, S end of Warner Mountains. 2160 Comment
  UC71584  Stellaria longipes var. longipes Mrs. M. H. Manning 1903-5 144 Modoc near Fort Bidwell (ne Modoc County) Comment
  NY453086  Stellaria umbellata R. J. Weatherby 1955-7-8 1618 Modoc 7 miles north of Fort Bidwell, Warner Mountains. 1874.5 Comment
  CAS-BOT-BC248363  Stenotus acaulis B. Bartholomew; H. Sun 2002-6-24 8846 Modoc E of Bald Mt., on the E side of the Warner Mountains 2170 Comment
  SEINET10674650  Stenotus acaulis Charles L. Hitchcock 1940-5-27 Hitchcock 6668 Modoc 15 miles northeast of Alturas. On sagebrush knoll. 5300 ft. 1615 Comment
  UCD136385  Stephanomeria lactucina Richard R. Halse 2006-8-4 6998 Modoc along Patterson Mill Road around 4 miles southwest of its junction with Surprise Valley road, east side of the southern Warner Mountains; Modoc National Forest. 2097 Comment
  POM172669  Stephanomeria lactucina Franklin P. Nutting s.n. Modoc Big Valley Mtns. Comment
  CAS-BOT-BC54267  Stephanomeria spinosa Bruce Bartholomew; Barrett Anderson 1990-7-21 5566 Modoc N Barber Creek, road from Surprise Valley to Patterson Ranger Station, E side of Warner Mts. 1710 Comment
  NY188821  Streptanthella longirostris B. M. Bartholomew 1991-5-24 5702 Modoc Surprise Valley, 6.6 km E of Eagleville. 1390 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
  CAS-BOT-BC95062  Streptanthus cordatus var. cordatus Annie Montague Alexander; L. Kellogg 1946-6-7 4995 Modoc 15 mi. E of Cedarville. 1752 Comment
  CAS-BOT-BC95573  Suaeda calceoliformis Louis Cutter Wheeler 1935-9-4 3942 Modoc McGinty Point, Goose Lake. 1463 Comment
  CAS-BOT-BC180099  Swertia albicaulis var. albicaulis K. Paulson; Robert Paulson 1988-5-22 9 Modoc Fletcher Creek, Devil's Garden. 1402 Comment
  CAS-BOT-BC180109  Swertia albicaulis var. albicaulis John Thomas Howell 1934-6-12 11990 Modoc 9 mi. S of Davis Creek. Comment
  RSA0065577  Symphoricarpos oreophilus Marion P. Harthill 1972-6-17 847 Modoc Cedar Pass. 1920 Comment
  CAS-BOT-BC95187  Symphoricarpos rotundifolius var. rotundifolius Elmer Ivan Applegate 1932-8-1 8066 Modoc Warner Mountains. Mill Creek Meadows, western slope of mountains. Comment
  CAS-BOT-BC95192  Symphoricarpos rotundifolius var. rotundifolius John Thomas Howell 1934-6-13 12105 Modoc Warner Mts., North Fork of Barber Creek. 1828 Comment
  UC585192  Symphoricarpos rotundifolius var. rotundifolius E. B. Babcock, G. L. Stebbins Jr. 1936-6-9 1825 Modoc about 3 mi w Cedarville; Warner Mountains, Cedar Creek Canyon 1524 Comment
  UC912525  Symphyotrichum bracteolatum F. H. Frost 1925-7-24 119 Modoc Jess Valley Warner Mts. Comment
  UC1192166  Symphyotrichum bracteolatum Verne Grant and Irving Schneider 1947-8-28 8332 Modoc nw of, at Jack Swamp Alturas Comment
  JEPS40757  Symphyotrichum foliaceum W. L. Jepson 1918-8-11 7942 a Modoc Jess Valley 1584 Comment
  UC711869  Symphyotrichum spathulatum Roxana S. Ferris and Laura Lorraine 1941-8-13 10571 Modoc 1 mi e Patterson Ranger Station; Modoc National Forest, Warner Mountains Comment
  JEPS40832  Symphyotrichum spathulatum L. S. Smith 1918-8-27 1053 Modoc below Squaw Peak ((Milk Creek)); Modoc National Forest, Milk Creek 2438 Comment
  POM261275  Synthyris missurica C. Leo Hitchcock 1940-5-27 6716 Modoc 15 miles NE of Alturas. 1982 Comment
  RSA166254  Synthyris missurica H. Dearing, M. Dearing 1939-6-8 s.n. Modoc Lily Lake, Warner Mountains. 2134 Comment
  SBBG7212  Synthyris missurica H. and M. Dearing 1939-6-8 3607 Modoc Lily Lake, Warner Mtns 2133 Comment
  UC748156  Synthyris missurica Annie M. Alexander and Louise Kellogg 1946-7-14 5067 Modoc Bear Camp Flat, trail to Emerson Camp; Warner Mountains Comment
  HSC80743  Synthyris missurica G. M. Riegel 1979-9-1 735 Modoc 1829 Comment
  JEPS27314  Synthyris missurica Frances D. Payne 1931-6-29 287 Modoc e slope of Mt. Warren, s of Mosquito Lake; Warner Mountains 2286 Comment
  JEPS118472  Taraxia subacaulis Lowell Ahart, John Dittes 2011-6-21 17516 Modoc Ash Creek State Wildlife Area, about 2,000 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  UC107656  Taraxia subacaulis Mrs. R. M. Austin July 1894 Modoc Goose Lake Valley Comment
  UCSB12576  Taraxia tanacetifolia Dearing, Hugh; Dearing, Margaret 1939-6-7 Modoc near Canby Comment
  HSC67874  Tetradymia canescens J. P. Smith, J. O. Sawyer 1973-8-8 7247 Modoc S slopes of Eagle Peak 2561 Comment
  HSC6275  Tetradymia canescens Ms. M. H. Manning 1902-9 28 Modoc NE Modoc Co. Comment
  CDA8929  Tetradymia glabrata Loring White 1960-5-17 Modoc 12 miles southeast of Eagleville. 0 Comment
  POM100476  Thalictrum polycarpum R. M. Austin 1895-07 552 Modoc Willow Creek (Devils Garden) Comment
Read comments
Jul 11 2010
  HSC1958  Thalictrum sparsiflorum M. T. Milligan 1966-7-27 588 Modoc E of Jess Valley 1646 Comment
  JEPS54067  Thelypodium howellii subsp. howellii Baker and Nutting 1894-6-29 Modoc Big Valley Comment
  SJSU9671  Thelypodium howellii subsp. howellii W. Savage 1979-7-10 1518 Modoc Bowles Meadow, Devils Garden District, Modoc National Forest 1493 Comment
  CAS-BOT-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-BC95082  Thelypodium milleflorum Bruce Bartholomew 1994-5-15 6690 Modoc E of Eagleville near the Eagleville Airport, Surprize Valley. 1380 Comment
  NY33851  Thermopsis argentata M. S. Baker 06 1894 s.n. Modoc Forestdale Comment
  UCD93226  Torreyochloa pallida var. pauciflora L. S. Smith 1950-8-18 1040 Modoc Warner Mountains. 2682 Comment
  CAS-BOT-BC54247  Tragopogon dubius Bruce Bartholomew 1990-6-17 5300 Modoc Vicinity of Emerson Camp near roadhead, E side of Warner Mts. 1750 Comment
  RSA149069  Tragopogon dubius I. L. Wiggins, Dorothy B. Wiggins 1961-6-13 16443 Modoc Roadside ditch 11 mi. N of Cedarville, in Surprise Valley. Comment
  SDSU3985  Tragopogon dubius D. F. Howe 1964-8-2 3925 Modoc Vacant lot, Alturas. 1219 Comment
  RSA210853  Tragopogon porrifolius R. F. Thorne, James Henrickson, C. W. Tilforth 1969-9-4 39080 Modoc E shore of Goose Lake at Willow Ranch. 1433 Comment
  CAS-BOT-BC179199  Trichostema oblongum Bruce Bartholomew; Barrett Anderson 1988-6-25 4400 A Modoc Ryan Canyon, N of Adin. 1390 Comment
  CHSC99950  Trichostema oblongum Lowell Ahart; John Dittes 2008-8-26 15346 Modoc On the bottom of Rose Creek, 250 feet southwest of confluence of Rose Creek and Pit River, on the northwest side of unnamed road, 3160 feet east of intersection with County Road 85a, 9.3 miles (air) north-northeast of Lookout. 1276 Comment
  HSC14462  Trichostema oblongum D. E. Anderson 1962-8-6 2326 Modoc Along Rush Creek paralleling Hwy. 299, 2 mi. E of Adin Comment
  RSA503246  Trifolium cyathiferum Bruce Bartholomew, B. Anderson 1988-7-22 4517 Modoc SE side of Sunflower Know, southern end of the Warner Mtns. 2160 Comment
  RSA582429  Trifolium cyathiferum Louis C. Wheeler 3727 Modoc Dismal Swamp, Twenty-Mile Creek, Warner Mts. 2226 Comment
  UC16471  Trifolium cyathiferum Mrs. R. M. Austin July, 1894 Modoc Goose Lake Comment
  UCD143680  Trifolium cyathiferum Beecher Crampton; Carl W. Rimbey 1954-7-6 2094 Modoc Warner Mountains; 20 miles east of Alturas. At edge of Shields Creek. Comment
  CAS-BOT-BC181774  Trifolium hybridum Bruce Bartholomew 1995-8-1 7169 Modoc Ca. 1.6 km SE of Fort Bidwell on Fee Rd. 1390 Comment
  CHSC115595  Trifolium hybridum Lowell Ahart; John Dittes 2015-7-16 20365 Modoc North edge of Ash Creek (destroyed), southeast of the gravel pit (destroyed), about 1/8 mile east of the parking area on the east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  JEPS123848  Trifolium hybridum Lowell Ahart, John Dittes 2015-7-16 20365 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-BC181749  Trifolium longipes Bruce Bartholomew 1991-7-4 5901 Modoc Roney Flat. 1460 Comment
  SBBG3830  Trifolium longipes H. and M. Dearing 1939-6-9 3614 Modoc above Cedarville 2133 Comment
  UCSC010318  Trifolium longipes subsp. multipedunculatum Unknown 2016-6-6 20957 Modoc About 100 yards east of the parking area, about one mile south of the intersection of County Road 87 and Access Road to Pilot Butte Parking Area, 3.8 air miles east of Lookout, 7.5 air miles west of Adin, Ash Creek State Wildlife Area 1271 Comment
  CAS-BOT-BC181732  Trifolium macrocephalum Leland S. Smith 1917-6-10 35 Modoc Jess Valley. 1524 Comment
  HSC15216  Trifolium macrocephalum M. T. Milligan 1964-6-17 44 Modoc 1 mi. N of Hwy. 139 on FS Rd. 44N15 1524 Comment
  SEINET3145242  Trifolium macrocephalum E. K. Balls 1950-5-10 15960 Modoc Hwy 395, 5.5 mi NE of Alturas, 0.5 mi before junction 1524 Comment
  UC485386  Trifolium macrocephalum Franklin P. Nutting Modoc meadow near Whitehorse Lake Comment
  CAS-BOT-BC180171  Trifolium microcephalum Bruce Bartholomew 1994-7-1 6754 Modoc 11.9 km NW of State Hwy. 299 on road to Dutch Flat. 1400 Comment
  HSC65607  Trifolium pratense Thomas Wood 1979-8-9 243 Modoc Dirt road along Bidwell Creek, 2.9 mi. NW of junction with Co. Hwy. 2, N of Ft. Bidwell 1509 Comment
  CAS-BOT-BC181763  Trifolium productum Bruce Bartholomew; Barrett Anderson 1988-7-23 4582 Modoc Dismal Swamp, Warner Mts.. 2180 Comment
  CAS-BOT-BC181770  Trifolium productum K. Paulson; Robert Paulson 1988-6-29 68 Modoc N of Benton Meadow along Davis Creek, Warner Mts.. 1676 Comment
  CAS-BOT-BC248352  Trifolium productum B. Bartholomew; H. Sun 2002-6-24 8835 Modoc Ca. 1 km NW of Bald Mt., E side of the Warner Mountains 2290 Comment
  HSC15168  Trifolium repens R. C. Wunner 1965-6-13 174 Modoc Indian Well Ranger Station, Lava Beds National Monument 1454 Comment
  CAS-BOT-BC180166  Trifolium variegatum Bruce Bartholomew 1994-7-1 6761 Modoc 11.9 km NW of State Hwy. 299 on road to Dutch Flat. 1400 Comment
  JEPS121209  Trifolium wormskioldii Lowell Ahart, John Dittes 2013-7-24 18942 Modoc South margin of Ash Creek Canal, S of Ash Creek, Ash Creek State Wildlife Area, 0.79 air miles S of County Road 87, 1.73 air miles W of Adin, Big Valley. Comment
  JEPS127159  Trifolium wormskioldii Lowell Ahart, John Dittes 2016-7-16 21242 Modoc South of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.75 miles (air) west of Adin, Big Valley.