Search Results — 2000 specimen records retrieved (1493 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)
 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/consortium/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC73501  Abies concolor John Thomas Howell 1934-6-14 12180 Modoc Patterson Mill Road, Warner Mts. Comment
  UCSB16  Abies concolor Haller, John 1959-8-4 Modoc 0.5 mile west of the crest of the Warner Mtns., 3 miles east of Patterson Ranger Station and Campground on road between Blue Lake and Lower Alkali Lake 2286 Comment
  CAS-BOT-BC15669  Achillea millefolium Leland S. Smith 1922-7-20 1299 Modoc Rush Creek Ranger Station. 1905 Comment
  CHSC85156  Achillea millefolium John Dittes; Josephine Guardino 1991-7-21 409 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
  HSC4560  Achillea millefolium M. T. Milligan 1965-6-23 297 Modoc N end Jess Valley 1616 Comment
  JEPS126500  Achnatherum hymenoides Jennifer Mueller July 1-25, 2016 CA 370 -230 Modoc Take county road 27 up Granger Canyon. Comment
  UC1158678  Achnatherum lemmonii Arthur Cronquist and Arthur H. Holmgren 1959-6-19 8495 Modoc 15 mi e Likely (along Clear Lake); Warner Mts., Clear Lake 1828 Comment
  UCD32707  Achnatherum lemmonii Beecher Crampton 1954-7-7 2134 Modoc Modoc County, west side of Cedar Pass. Comment
  UCD50631  Achnatherum lemmonii R. Tofsrud 1947-7-1 211 Modoc Between Alturas and Cedarville, Modoc County. Comment
  CAS-BOT-BC242323  Achnatherum lettermanii Bruce Bartholomew; Barrett Anderson 1990-7-20 5463 Modoc 4 km N of Buck Creek Ranger Station at turn off to Del Prat Spring, W side of Warner Mts. 1900 Comment
  UC1024791  Achnatherum occidentale subsp. californicum Leo Whitney 1935-6-9 3210 b Modoc White Horse Comment
  CAS-BOT-BC242313  Achnatherum thurberianum James D. Jokerst 1983-7-27 1907 Modoc Near Signal Butte. 1340 Comment
  UC1133251  Achnatherum thurberianum Leo Whitney 1935-6-30 3354 Modoc near Hackamore 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
  SEINET5327387  Acmispon denticulatus M. J. Williams 1984-6-20 84- 82 -2 Modoc 13.4 mi W along Parker Creek Road 1585 Comment
  SEINET957345  Acmispon denticulatus I. L. Wiggins 1961-1 16475 Modoc Roadside 2.4 mi. S of Village of Davis Creek, SE side of Goose lake. Comment
  CHSC99953  Acroptilon repens Lowell Ahart; John Dittes 2008-8-25 15309 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-BC218318  Actaea rubra Betty J. Hammerly 1941-6-20 29 Modoc Along stream entering Clear Lake. 1767 Comment
  HSC80756  Actaea rubra G. M. Riegel 1980-8-12 1034 Modoc S Warner Mtns. 2100 Comment
  CAS-BOT-BC15640  Adenocaulon bicolor Bruce Bartholomew; Barrett 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
  HSC65611  Adenocaulon bicolor Thomas Wood 1979-8-10 247 Modoc 1.1 miles east of forest-boundary on Mill Creek Basin Rd. 1555 Comment
  CAS-BOT-BC218328  Adonis aestivalis K. Paulson; Robert Paulson 1988-6-10 22 Modoc SW of Dorris Reservoir. 1341 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
  RSA504667  Adonis aestivalis K. Paulson, R. Paulson 1988-6-10 22 Modoc SW of Dorris Reservoir. 1341 Comment
  UCD95445  Adonis aestivalis L. K. Mann; Patricia Mann 1963-6-19 s.n. Modoc 1-2 miles southwest of Canby, U.S. Highway 299. Comment
  CAS-BOT-BC179882  Agastache urticifolia Bruce Bartholomew 1991-7-6 5979 Modoc Curtis Waterhole and adjacent lava outcrops. 1310 Comment
  SBBG18789  Agastache urticifolia C. B. Hardham 1961-6-18 7565 Modoc Davis Crk 2133 Comment
  SEINET7940441  Agastache urticifolia M. S. Baker 1893-1 s.n. Modoc Egg Lake. Comment
  CAS-BOT-BC15649  Ageratina occidentalis Bruce Bartholomew 1989-8-12 5108 Modoc S end of Coyote Creek, ca. 1.5 km SW of Sunflower Knob, S end of Warner Mountains. 2040 Comment
  HSC67885  Ageratina occidentalis J. P. Smith, J. O. Sawyer 1973-8-9 7256 Modoc Blue Lake, Modoc National Forest. 1829 Comment
  CAS-BOT-BC15523  Agoseris X dasycarpa Bruce Bartholomew; B. Anderson 1988-7-22 4492 Modoc Vicinity of East Creek Trailhead, southern end of Warner Mountains 2210 Comment
  CAS-BOT-BC23038  Agoseris grandiflora var. grandiflora B. Bartholomew; B. Anderson 1988-7-22 4484 Modoc Vicinity of East Creek Trailhead, southern end of the Warner Mountains, Emerson Peak 7 1/2' Quad 2210 Comment
  JEPS36224  Agoseris monticola W. L. Jepson 1918-8-13 7970 Modoc Eagle Peak Warner Mts., Eagle Peak 3017 Comment
  HSC5996  Agoseris monticola M. T. Milligan 1966-6-19 644 Modoc Plateau W of Jess Valley 1829 Comment
  CAS-BOT-BC126789  Agoseris parviflora Alice Eastwood; John Thomas Howell 1940-6-11 8029 Modoc 8 miles from Canby on road to Alturas Comment
  SJSU9610  Agrostis exarata W. Savage 1979-7-6 1387 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  UC1037188  Agrostis exarata Leo Whitney 1935-7-21 3556 Modoc 15 mi w Canby; Modoc National Forest, Happy Camp 1463 Comment
  UCD52346  Agrostis exarata August L. Hormay 1932-7-15 s.n. Modoc Pease Cabin, Modoc National Forest. Comment
  JEPS73943  Agrostis exarata L. S. Smith 1918-1 883 Modoc in and around meadows Comment
  HSC80911  Agrostis gigantea G. M. Riegel 1980-8-28 1123 Modoc S. Warner Mountains 2100 Comment
  UCR67443  Agrostis scabra George K. Helmkamp 1990-9-23 I- 15 Modoc Warner Mtns, Goose Lake, within 0.1 mi of the Oregon border 1476 Comment
  UCR34682  Agrostis scabra var. geminata J. A. Harpel 1981-8-6 V- 19 Modoc Warner Mtns, South Warner Wilderness Area: E end of Patterson Lake, 7 mi NW of Eagleville 2744 Comment
  CAS-BOT-BC190683  Aliciella micromeria Bruce Bartholomew 1990-6-17 5336 Modoc Surprise Valley, SE corner of Upper Alkali Lake. 1390 Comment
  UC71709  Alisma plantago-aquatica Mrs. M. H. Manning 1903-8-26 319 Modoc ne Modoc County Sessions Swamp Comment
  CAS-BOT-BC445447  Alisma triviale Robert F. Thorne; C. W. Tilforth 1969-9-4 39056 Modoc 2 mi W of Davis Creek (town), S. of Goose Lake 1432 Comment
  CAS-BOT-BC245002  Allium acuminatum Margaret J. Williams 1984-6-30 84- 75 -4 Modoc 27.4 mi. N of Cedar Pass road on Hwy 395. 1295 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
  RSA17438  Allium acuminatum Elmer I. Applegate 1929-6-24 5887 Modoc Between Aden and Canby, Pit River region. Comment
  JEPS13885  Allium acuminatum Rimo Bacigalupi with L. R. Heckard, R. D. Sanderson, and G. Bacigalupi 1952-6-18 3750 Modoc 3.3 mi w Fandango Pass; Fandango Valley 1706 Comment
  POM98606  Allium acuminatum F. W. Peirson 1926-6-25 6874 Modoc Cedarville Road, Warner Mountains. Comment
  RSA123173  Allium acuminatum R. C. Wilson 1933-6-25 53 Modoc Rush Creek. 1448 Comment
  RSA152701  Allium acuminatum I. L. Wiggins, Dorothy Wiggins 1961-6-12 16383 Modoc Rocky clay mesa 5 mi. east of California State Highway 299, along Cedar Pass Rd. Comment
  SJSU9707  Allium acuminatum W. Savage 1979-7-10 1525 Modoc Oregon Rim Unit, Devils Garden District, Modoc National Forest 1645 Comment
  HSC29863  Allium amplectens D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19493 Modoc At Big Valley summit about 6 mi. W of Adin on Hwy. 299 Comment
  CAS-BOT-BC244998  Allium amplectens Roxana Stinchfield Ferris; R. Duthie 1919-6-14 111 Modoc Warner Mts. near Alturas. 2133 Comment
  JEPS79134  Allium campanulatum L. R. Heckard with R. Bacigalupi 1980-6-10 5235 Modoc about 10 mi nw Lookout (along Great Northern Railroad grade) Comment
  JEPS2714 Image available Allium fimbriatum var. fimbriatum Mrs. R. M. Austin 1894-5-1 Modoc Goose Lake Valley Comment
  HSC2949  Allium lemmonii M. T. Milligan 1964-6-17 43 Modoc 1 mi. N of Hwy. 139 on FS Rd. 44N15 1524 Comment
  JEPS47576  Allium lemmonii L. S. Smith 1929-6-19 1130 Modoc Patterson Hill Modoc Forest, Patterson Hill 2194 Comment
  RSA367065  Allium lemmonii George Willet 1935-6-21 s.n. Modoc Modoc County: Warner Mtns. 2287 Comment
  CAS-BOT-BC244981  Allium parvum K. Paulson; Robert Paulson 1989-4-16 99 Modoc Crowder Flat Road, Devil's Garden. Comment
  SEINET3878767  Allium parvum D. W. McNeal 1979-5-13 2225 Modoc Beside Hwy #395, 15.8 mi S of the jct of Hwy #299 in Alturas.; 0 Comment
  CAS-BOT-BC244965  Allium platycaule Mrs. H. C. Cantelow 1940-6-1 3897 Modoc E of Alturas. Comment
  CAS-BOT-BC244975  Allium platycaule Isabelo T. Kelly 1930-1-1 70 Modoc Buck Creek. Comment
  JEPS47624  Allium platycaule Mary H. Manning June 1920 Modoc Likely Comment
  UC1133832  Allium platycaule R. C. Wilson 1933-5-30 33 Modoc Rush Creek Camp Modoc National Forest, Canby Quadrangle, Rush Creek Camp Comment
  UC1540228  Allium platycaule Dean Wm. Taylor, Glenn L. Clifton 1987-6-27 9101 Modoc along Highway 395 about 3.5 mi n n junction with Highway 299 1371 Comment
  JEPS47618  Allium platycaule L. S. Smith 1919-6-8 1123 Modoc Deep Creek Warner Mts., Deep Creek 1554 Comment
  SEINET3878890  Allium platycaule Noel H. Holmgren, Patricia K. Holmgren 1978-6-8 8884 Modoc Fort Bidwell-Adel road, 15.1 km (9.4 mi) northeast of Fort Bidwell and 10.5 km (6.5 mi) airline distance.; 0 1676 Comment
  UCD141484  Allium platycaule M. Mann, L. K. Mann 1955-6-5 10 Modoc California. Modoc County: Near Cedarville Pass. Highway from Alturas to Cedarville over Cedar Pass. Three mi toward Alturas from edge of Modoc National Forest. Comment
  SEINET198608  Allium siskiyouense Annie M. Alexander, L Kellogg 1946-6-8 4702 Modoc Near 3 mi Ranger Station sign rd from Eagleville to Patterson Mill 2225 Comment
  CHSC117801  Allium tolmiei var. tolmiei L. P. Janeway 2016-5-16 11971 Modoc Modoc Plateu. Devil's Garden area; along Road 47N07 1.8 road-km south of Road 181/73/47N09. 1573 Comment
  CHSC67138  Allium tolmiei var. tolmiei James D. Jokerst. 1987-5-11 Modoc Radar Survey Site S of Doublehead Mtn., S of Clear Lake Reservoir. 1353 Comment
  CAS-BOT-BC244957  Allium tolmiei var. tolmiei D. Toren; Barbara Trowbridge 1975-6-19 5246 Modoc Jess Valley to Blue Lake. 1524 Comment
  CAS-BOT-BC190743  Allophyllum integrifolium Bruce Bartholomew 1989-8-13 5138 Modoc ca. 3.2 km N of Manzanita Mountain. 1580 Comment
  CAS-BOT-BC242301  Alopecurus aequalis Alice Eastwood; John Thomas Howell 1940-6-13 8178 Modoc East side of Cedar Pass. Comment
  JEPS119963  Alopecurus aequalis var. aequalis Lowell Ahart, John Dittes 2012-7-10 18308 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
  SJSU9642  Alopecurus geniculatus W. Savage 1979-7-8 1472 Modoc Round Valley Unit, Devils Garden District, Modoc National Forest 1493 Comment
  UC1024851  Alopecurus geniculatus Leo Whitney 1935-6-9 3198 Modoc White Horse lake (Flat) near White Horse Comment
  UC1100226  Alopecurus geniculatus Herbert L. Mason and Verne Grant 1947-7-12 13396 Modoc several mi. s. Alturas (irrgation ditch by Jones' Lane, off Hwy. 395) Comment
  CAS-BOT-BC242343  Alopecurus geniculatus John H. Hatton 1911-6-12 47 Modoc unspecified - Modoc National Forest 1493 Comment
  CAS-BOT-BC242334  Alopecurus pratensis Bruce Bartholomew; Barrett Anderson 1989-6-1 4747 Modoc ca. 0.5 km W of Davis Creek on road to S end of Goose Lake. 1460 Comment
  CAS-BOT-BC242332  Alopecurus saccatus John H. Hatton 1911-6-20 137 Modoc Modoc National Forest 1524 Comment
  CAS-BOT-BC58647  Alyssum desertorum Bruce Bartholomew; Barrett Anderson 1988-5-12 4134 Modoc Along the N side of the Pit River, 0.5 km W of State Highway 299 on Bushey Road. 1310 Comment
  RSA488041  Alyssum desertorum Bruce Bartholomew, B. Anderson 1988-5-12 4134 Modoc Along the N side of the Pit River, 0.5 km W of State Highway 299 on Bushey Road. 1310 Comment
  RSA520451  Alyssum minus Bruce Bartholomew, B. Anderson 1989-4-27 4621 Modoc 2.1 km SSE of Day on road to State Highway 299. 1020 Comment
  UC1584001  Alyssum simplex G. Schoolcraft 1990-6-6 2078 Modoc about 10 mi n of Alturas (near Joseph Creek) 1447 Comment
  CDA36738  Amaranthus blitoides Richard R. Halse 2010-9-2 8110 Modoc Warner Mountains; Modoc National Forest; along State Hwy 299 ca 2.8 miles west of Cedarville by the Cedar Creek Lower Trailhead. Comment
  UC1191391  Amaranthus californicus Verne Grant, Irving Schneider 1947-7-10 13326 Modoc Dorris Reservoir, 2 miles east of Alturas. Comment
  CHSC106212  Amaranthus powellii Lowell Ahart; John Dittes 2010-8-31 17107 Modoc On the east side of Elkins Lane, about 100 yards north of the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  NY849710  Amelanchier alnifolia var. alnifolia B. M. Bartholomew 1988-6-24 4315 Modoc Road beyond Poison Lake ca. 8 km south of the road from U.S. Highway 395 to Lily Lake, Warner Mountains 2130 Comment
  CAS-BOT-BC214629  Amelanchier utahensis Francis Dorris Payne 1929-6-24 22 Modoc Pine Creek above Fitzhugh Springs. 1828 Comment
  CAS-BOT-BC217085  Amelanchier utahensis Isabelo T. Kelly 1930-1-1 6 Modoc Fort Bidwell Comment
  CAS-BOT-BC217097  Amelanchier utahensis Elmer Ivan Applegate 1929-6-25 5901 Modoc Cottonwood Creek, E side of Goose Lake. Comment
  UC12079  Amelanchier utahensis Mrs. R. M. Austin and Bruce Jun 1898 2346 Modoc Goose Lake valley; Goose Lake Comment
  UC466779  Amelanchier utahensis W. P. Taylor and H. C. Bryant 1910-6-25 Modoc Parker Creek; Warner Mountains 1676 Comment
  CAS-BOT-BC54152  Amsinckia menziesii John Thomas Howell 1934-6-12 12039 Modoc 10 mi. S of New Pine Creek. Comment
  CAS-BOT-BC54196  Amsinckia menziesii John Thomas Howell 1934-6-12 11995 Modoc 6 mi. S of Davis Creek. Comment
  CAS-BOT-BC54197  Amsinckia menziesii John Thomas Howell 1934-6-13 12085 Modoc Surprise Valley near Fort Bidwell. 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
  CHSC117050  Amsinckia menziesii Lowell Ahart; John Dittes 2016-6-6 20942 Modoc About 20 yards west of the dirt road, about 50 yards southwest of the intersection of County Road 87 and Access Road to Pilot Butte Parking Area, northeast base of Pilot Butte, 3.8 miles (air) east of Lookout, 7.5 miles (air) west of Adin, Ash Creek State Wildlife Area. 1271 Comment
  CHSC117139  Amsinckia menziesii Lowell Ahart; John Dittes 2016-7-14 21159 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) dwest of Adin, Big Valley. 1273 Comment
  SJSU9596  Amsinckia menziesii W. Savage 1979-7-5 1365 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  CAS-BOT-BC54163  Amsinckia tessellata var. tessellata John Thomas Howell 1934-6-16 12213 Modoc Parker Creek, Warner Mountains 1584 Comment
  CAS-BOT-BC15609  Ancistrocarphus filagineus Bruce Bartholomew 1990-6-18 5382 Modoc Turner Creek at County Rd 90, N end of Big Valley, 6.4 km N of Lassen County border. 1230 Comment
  SJSU9567  Ancistrocarphus filagineus W. Savage 1979-7-3 1309 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  CHSC10861  Anemone drummondii Robert A. Mele 1972-7-3 33 Modoc West slope circling Patterson Lake in the Warner Wilderness area. Comment
  HSC4656  Antennaria argentea M. T. Milligan 1965-6-27 349 Modoc E slope of eroded volcanic plateau. 1677 Comment
  JEPS30614  Antennaria argentea Peter H. Raven and Otto T. Solbrig 1958-6-18 13310 Modoc Cottonwood Flat Camp Ground; Modoc National Forest Comment
  SEINET6735045 Image available Antennaria argentea M. S. Baker 1893-1 s.n. Modoc Egg Lake Comment
  JEPS5979  Antennaria dimorpha Frances D. Payne 1932-6-26 603 Modoc s and e of, (high ridges n of Parker Creek) Alturas; Warner Mountains, Parker Creek 1828 Comment
  CAS-BOT-BC15586  Antennaria geyeri Leland S. Smith 1407 Modoc Happy Camp. 1371 Comment
  UCD128923  Antennaria geyeri Beecher Crampton 1960-6-17 5686 Modoc 5 miles south of Perez, Plant Quarantine Station area. 1371 Comment
  JEPS14940  Antennaria geyeri L. S. Smith 1924-1-1 1407 Modoc Comment
  SEINET6735128 Image available Antennaria geyeri M. S. Baker 1893-1 s.n. Modoc Egg Lake Comment
  CAS-BOT-BC15600  Antennaria luzuloides Bruce Bartholomew 1990-6-17 5351 Modoc 4 km N of Buck Creek Ranger Station at turn off to Del Prat Spring, W side of Warner Mts. 1900 Comment
  JEPS5981  Antennaria luzuloides Frances D. Payne 1932-6-10 537 Modoc s and e of Alturas; Warner Mountains, Parker Creek 1584 Comment
  POM40363  Antennaria luzuloides Mrs. R. M. Austin 1895-07 s.n. Modoc Goose Lake Valley. Comment
  RSA152422  Antennaria luzuloides I. L. Wiggins, Dorothy Wiggins 1961-6-12 16424 Modoc Moderate slope near summit of Cedar Pass, between Alturas and Cedarville 1921 Comment
  CHSC66984  Antennaria luzuloides subsp. luzuloides James D. Jokerst 1987-5-11 2836 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
  RSA164324  Antennaria rosea Clare B. Hardham 1961-6-20 7864 Modoc Pine Creek 1677 Comment
  UC190692  Antennaria rosea M. F. Gilman 646 Modoc 1676 Comment
  CAS-BOT-BC15559  Antennaria rosea subsp. rosea Annie Montague Alexander; L. Kellogg 1946-6-27 4847 Modoc Highgrade, top of ridge 2 mi. by road from Dismal Swamp. 2377 Comment
  CAS-BOT-BC368000  Antennaria rosea subsp. rosea Richard R. Halse 2006-8-4 6997 Modoc Modoc Naitonal Forest; south end of the Warner Mountains along Patterson Mill Road by Homestead Flat 2152 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
  CHSC12927  Aphyllon purpureum L. Mayer 1974-6-3 Modoc Soldier Creek, Warner Mts., near Cedarville. Comment
  CAS-BOT-BC15689  Apocynum androsaemifolium Annie Montague Alexander; L. Kellogg 1946-7-3 4903 Modoc Bidwell Creek, near Fort Bidwell. Comment
  CAS-BOT-BC15691  Apocynum androsaemifolium K. Paulson; Robert Paulson 1988-7-13 77 Modoc Clear Lake area, Warner Mts.. 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
  CAS-BOT-BC15694  Apocynum androsaemifolium Bruce Bartholomew; Barrett Anderson 1988-7-21 4410 Modoc Whitehorse Mts., 11 km N of Day on the road to Whitehorse Flat Reservoir. 1340 Comment
  UC748274  Apocynum androsaemifolium Annie M. Alexander and Louise Kellogg 1946-6-28 4867 Modoc n. end Warner Mts., Pine Creek Canyon 1615 Comment
  UC22910  Apocynum androsaemifolium Milo S. Baker 1893-1 Modoc Comment
  UCSC000562  Apocynum pumilum F. H. Frost 1925-7-13 70 Modoc Warner Mountians, Cedar Canyon, Mountian roadside Comment
  JEPS60394  Aquilegia formosa Frances D. Payne 1931-6-21 217 B Modoc se Alturas (Parker Creek, sw of a Dry Creek tributary); Warner Mtns 1981 Comment
  CAS-BOT-BC218335  Aquilegia formosa var. formosa Elmer Ivan Applegate 1932-7-9 7598 Modoc N slope of Bidwell Mountain, Warner Mts. Comment
  CAS-BOT-BC218348  Aquilegia formosa var. formosa Bruce Bartholomew; Barrett Anderson 1988-7-21 4440 Modoc Above Upper Rush Creek Campground ca. 4 km E of State Highway 299 between Adin and Canby. 1580 Comment
  HSC81078  Arabis drummondii G. M. Riegel 1980-8-11 1026 Modoc S Warner Mtns. 2100 Comment
  RSA0126228  Arabis glabra Mrs. R. M. Austin 1895-04 414 Modoc Goose Lake. Comment
  SEINET5340313  Arabis holboellii var. pinetorum E. K. Balls 1950-5-14 14691 Modoc .2m. south boundary Modoc National Forest, trail from Alturas to Thomas Reservoir. 1524 Comment
  RSA486354  Arabis puberula Bruce Bartholomew, B. Anderson 1988-5-13 4177 Modoc Juniper Flats, 10 km E of Likely on road to Jess Valley, W side of the Warner Mtns. 1450 Comment
Read comments Feb 9 2009
  UC465861  Arceuthobium campylopodum Franklin P. Nutting Aug 1920 Modoc nera Forestdale Big Valley Mtns Comment
  POM131958  Arctostaphylos manzanita subsp. manzanita Milo S. Baker 1893-1 9388 Modoc Mt. Side Comment
  SEINET2149921  Arctostaphylos nevadensis K. T. Harper 1974-1 131 Modoc Warner Mountains, Mt. Bidwell road. 2134 Comment
  JEPS51422  Arenaria aculeata L. S. Smith 1917-6-10 793 Modoc Jess Valley Comment
  JEPS86269  Arenaria aculeata W. L. Jepson 1918-8-7 7886 Modoc Mt. Bidwell 2438 Comment
  POM260875  Arenaria aculeata Alice Eastwood, J. T. Howell 1940-6-12 8106 Modoc West side of Cedar Pass. Comment
  RSA59527  Arenaria aculeata E. K. Balls 1950-5-20 14812 Modoc Slope south of [Pitt] river; South Fork Public Camp, Likely to Jess Valley. 1433 Comment
  UC711815  Arenaria congesta var. congesta Roxana S. Ferris and Laura Lorraine 1941-8-14 10589 Modoc 3 mi Patterson Ranger Station (on road to Eagleville); Modoc National Forest, Warner Mountains Comment
  UC748050  Arenaria congesta var. subcongesta Annie M. Alexander and Louise Kellogg 1946-6-10 4708 Modoc Lava bench between Lower Snake Lakes Comment
  RSA564304  Arenaria tenella George K. Helmkamp, E. A. Helmkamp 1993-5-4 s.n. Modoc 35.6 miles northwest of Canby along California Highway 139. 1280 Comment
  UC1025107  Aristida oligantha Leo Whitney 1935-8-19 3627 Modoc RS-1, U.S.B.E. Comment
  JEPS35884  Arnica Leland S. Smith c. 1918 1076 Modoc Modoc National Forest Comment
  CAS-BOT-BC15566  Arnica chamissonis subsp. foliosa Annie Montague Alexander; L. Kellogg 1946-7-13 4990 Modoc Cowhead Lake. Comment
  CAS-BOT-BC15408  Arnica cordifolia Mrs. H. C. Cantelow 1940-6-1 Modoc Cedar Pass Mtns. east of Alturas Comment
  HSC4687  Arnica cordifolia M. T. Milligan 1964-7-25 191 Modoc Pine Creek Basin, along trail. 2439 Comment
  HSC81146  Arnica cordifolia G. M. Riegel 1980-6-30 775 Modoc S Warner Mtns. 1670 Comment
  JEPS120508  Arnica cordifolia B. Castro and L. P. Janeway 2012-7-24 1949 Modoc Warner Mountains. Flat ridgetop near Sunshine and Moonlight Mines, along Road 48N21 ca 1 air mi SW of Dismal Swamp. Comment
  JEPS35919  Arnica cordifolia N. T. Mirov 1929-6-16 Modoc Buck Creek Ranger Station, e of Goose Lake, on Fandango Valley Road Warner Mountains, Buck Creek, Goose Lake 1615 Comment
  RSA323623  Arnica fulgens A. Tiehm 1984-6-30 8837 Modoc NW side of Bidwell Mt., 2.2 road miles north of 8 mile creek on the road from Lake Annie. 1844 Comment
  UC936191  Arnica longifolia Annie M. Alexander and Louise Kellogg 1946-7-23 5055 Modoc Emerson Peak , Warner Mountains Comment
  UC936274  Arnica longifolia Annie M. Alexander and Louise Kellogg 1946-7-23 5057 Modoc northeast, in rockslide below cliff Emerson Peak; Warner Mountains, Emerson Peak Comment
  CAS-BOT-BC15288  Arnica mollis Elmer Ivan Applegate 1932-7-31 7974 Modoc Mill Creek Meadow, Warner Mts. Comment
  RSA298141  Arnica mollis J. O. Sawyer, James Payne Smith 1973-8-8 7217 Modoc At or near the summit of Eagle Peak 2988 Comment
  UC1584014  Arnica sororia G. Schoolcraft 1990-6-7 2082 Modoc 12 mi ne Alturas; Joseph Creek 1615 Comment
  CAS-BOT-BC242406  Arrhenatherum elatius L. D. White 1953-10-1 s.n. Modoc Briles orchard, Davis Creek. Comment
  CAS-BOT-BC90105  Artemisia arbuscula subsp. arbuscula Frank P. Sipe 1937-8-27 s.n. Modoc Alturas - Susanville Road 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
  HSC100342  Artemisia cana subsp. bolanderi Chris Boever 2010-8-11 370115 Modoc North from Cedarville, CA to Fort Bidwell, 13 miles up the Lake Annie road, East side of road. 1602 Comment
  UC711896  Artemisia cana subsp. bolanderi Roxana S. Ferris and Laura Lorraine 1941-8-13 10562 Modoc Patterson Ranger Station Modoc National Forest, Warner Mountains 2164 Comment
  RSA768067  Artemisia douglasiana L. Ahart, John Dittes 2010-8-31 17098 Modoc East side of Elkins Lane, about 10 yrds south of bridge across Ash Creek, Ash Creek State Wildlife Area, 4215 ft north of Lassen County Line, about 4.3 air miles west of Adin, about 7.7 air miles northeast of Bieber, Big Valley. 1268 Comment
  UCR57490  Artemisia ludoviciana R. D. Goeden, Don W. Ricker 1989-8-23 890823- 23 Modoc Warner Mtns., Modoc National Forest, Fandango Pass Road, in vicinity of Warner Mtn. 1607 Comment
  SEINET7153139 Image available Artemisia ludoviciana subsp. candicans G. Schoolcraft 1999-7-13 2865 Modoc 3 miles n. of Eagleville, CA Comment
  CAS-BOT-BC15255  Artemisia ludoviciana subsp. incompta Kenton L. Chambers; Ronald J. Tyrl 1965-9-22 2432 Modoc Cedar Pass. 1920 Comment
  CAS-BOT-BC15268  Artemisia ludoviciana subsp. ludoviciana Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10558 Modoc Patterson Ranger Station (East Creek drainage). 2164 Comment
  CAS-BOT-BC15271  Artemisia ludoviciana subsp. ludoviciana Bruce Bartholomew 1989-8-12 5133 Modoc Deep Creek, E side of Warner Mountains. 1620 Comment
  CAS-BOT-BC15272  Artemisia ludoviciana subsp. ludoviciana Leland S. Smith 1917-7-24 117 Modoc Joseph Creek camp. 2072 Comment
  CAS-BOT-BC15274  Artemisia ludoviciana subsp. ludoviciana R. M. Austin 1898-7-1 2175 Modoc Goose Lake. Comment
  JEPS114661  Artemisia ludoviciana subsp. ludoviciana Lowell Ahart, John Dittes 2008-8-25 15278 Modoc On the west bank (flood plain) of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout 1273 Comment
  RSA767674  Artemisia ludoviciana subsp. ludoviciana L. Ahart, John Dittes 2010-8-30 17051 Modoc North side of a small wash, about 10-15 yards west of the fence, south edge of the meadow, Ash Creek State Wildlife Area, 2300 feet north of Lassen County Line, about 3.6 air miles west of Adin, about 8 air miles northeast of Bieber, Big Valley. 1268 Comment
  RSA122483  Artemisia rothrockii G. A. Graham 1937-8-6 151 Modoc Belfort 3110 Comment
  CAS-BOT-BC15208  Artemisia tridentata subsp. tridentata Ethel S. Willits 1939-10-10 161 Modoc Surprise Valley. 1371 Comment
  CAS-BOT-BC15212  Artemisia tridentata subsp. tridentata Elmer Ivan Applegate 1932-7-31 7952 Modoc Mill Creek Meadows, western slope of Warner Mountains Comment
  UCR138446  Artemisia tridentata subsp. vaseyana David A. Charlet 1989-8-15 521 Modoc Warner Mountains; 1.2 km NW of Eagle Peak 2550 Comment
  CAS-BOT-BC15656  Asclepias cordifolia K. Paulson; Robert Paulson 1989-6-21 149 Modoc Vicinity of Granger Creek, E side of the Warner Mts. Comment
  CAS-BOT-BC15700  Asclepias cordifolia Harry Dwight Dillon Ripley; Rupert Charles Barneby 1944-6-1 6032 Modoc Above Cedarville. 1493 Comment
  UC22966  Asclepias cordifolia Milo S. Baker 1893-7-8 Modoc Comment
  UC1483861  Asclepias fascicularis G. Schoolcraft 1980-8-6 347 Modoc se Spalding Butte (near Highway 139) 1450 Comment
  JEPS49947  Asclepias fascicularis L. S. Smith 1918-8-13 1034 Modoc below Lost Lake; Modoc National Forest 1524 Comment
  CAS-BOT-BC54175  Asperugo procumbens J. C. Hays 1947-5-26 Modoc Near Fort Bidwell. Comment
  RSA750620  Astragalus bolanderi R. M. Austin 1898-07 198 Modoc Shore Goose Lake. Comment
  HSC71397  Astragalus californicus J. P. Smith, J. O. Sawyer 1972-5-6 5271 Modoc Along Hwy. 299, 4 mi. W of Modoc County Rd. 58, E of Alturas 1494 Comment
  POM16274  Astragalus carinatus M. S. Baker 1893-1 128 Modoc Egg Lake Comment
  CAS-BOT-BC218211  Astragalus curvicarpus var. curvicarpus James D. Jokerst 1983-7-27 1913 Modoc Near Signal Butte. 1340 Comment
  CAS-BOT-BC218221  Astragalus curvicarpus var. curvicarpus Elmer Ivan Applegate 1897-5-31 880 Modoc E side of Tule Lake below Bloody Point. Comment
  CHSC70727  Astragalus curvicarpus var. curvicarpus A. Sanger 1997-6-2 2478 Modoc Casuse Mtn., adjacent to road running along eastern edge. 1267 Comment
  NY803545  Astragalus curvicarpus var. curvicarpus P. H. Raven 1958-6-18 13335 Modoc 8.6 miles west of Alturas on United States Highway 299 Comment
  NY803541  Astragalus curvicarpus var. curvicarpus L. S. Rose 1940-6-11 40513 Modoc Canby 1326 Comment
  CAS-BOT-BC182062  Astragalus filipes Leo David Whitney 1934-5-20 1924 Modoc Banks of Lost River near Clear Lake. 1463 Comment
  CHSC99289  Astragalus filipes Lowell Ahart; John Dittes 2008-6-20 14976 Modoc Upland on the northeast side of Big Valley, about 5.3 miles (air) northeast of the Headquarters at Ash Creek State Wildlife Area, about 8.3 miles (air) northeast of Bieber. 1287 Comment
  RSA271940  Astragalus filipes Christopher Davidson 1975-6-4 2627 Modoc Canby Bridge across Pit R., ca. 4 mi. S of Canby on Hwy 299. 1341 Comment
  POM253263  Astragalus gibbsii A. A. Heller 1938-6-24 15225 Modoc U. S. Highway 299, between Alturas and Canby. 1341 Comment
  CAS-BOT-BC182059  Astragalus inversus Leo David Whitney 1933-8-18 1936 Modoc Near Poison Lake. 1828 Comment
  SJSU9653  Astragalus inversus W. Savage 1979-7-8 1488 Modoc N end Fairchild Swamp Unit, Triangle, Devils Garden Ranger District 1493 Comment
  CAS-BOT-BC182050  Astragalus obscurus Bruce Bartholomew 1993-6-14 6663 Modoc 8.7 km E of County Road 114 on County Road 108, NW of Clear Lake Reservoir. 1450 Comment
  CAS-BOT-BC182037  Astragalus purshii Bruce Bartholomew; Barrett Anderson 1989-4-28 4643 Modoc 6.8 km N of State Highway 299 on road to Raker & Thomas Reservoir. 1400 Comment
  CAS-BOT-BC182041  Astragalus purshii Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-13 6540 Modoc Just W of West Valley Reservoir. 1460 Comment
  JEPS3943  Astragalus purshii N. T. Mirov 1929-5-30 Modoc Buck Creek Ranger Station e Goose Lake (Buck Creek Ranger Station, Warner Mountains); Warner Mountains, e of Goose Lake 1584 Comment
  RSA245250  Astragalus purshii var. lagopinus M. T. Milligan 1966-6-19 468 Modoc Eroded volcanic plateau west of Jess Valley. 1829 Comment
  CHSC117878  Astragalus purshii var. purshii L. P. Janeway 2016-5-16 11994 Modoc Modoc Plateau. Devils Garden area; along Road 47N07 1.8 road-km south of Road 181/73/47N09. 1573 Comment
  HSC26612  Astragalus purshii var. purshii D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19367 Modoc Along the S Fork of the Pit River, ~6 mi. E of Likely. Comment
  CAS-BOT-BC193032  Astragalus purshii var. tinctus Frances D. Payne 1932-6-10 424 Modoc Parker Creek 1584 Comment
  CAS-BOT-BC193034  Astragalus purshii var. tinctus B. Bartholomew; B. Anderson 1988-5-13 4170 Modoc Ca. 1 km SE of Parker Creek Road on West Warner Road, W side of the Warner Mountains 1710 Comment
  UC13457  Astragalus purshii var. tinctus Mrs. R. M. Austin and Bruce June 1898 2207 Modoc Plains Goose Lake Comment
  UC397280  Astragalus purshii var. tinctus Mrs. M. H. Manning May 1907 715 Modoc e side Warner Range Comment
  UC13468  Astragalus speirocarpus Mrs. R. M. Austin and Bruce June 1898 2212 Modoc Comment
  CAS-BOT-BC248329  Astragalus whitneyi B. Bartholomew; H. Sun 2002-6-24 8808 Modoc Ridge top just S of Manzanita Mt. and 15.3 straight line km NW of Aden 2070 Comment
  CAS-BOT-BC181996  Astragalus whitneyi var. lenophyllus M. M. Hanna 1956-6-4 Modoc Lava mesa along highway to Cedarville. Comment
  CAS-BOT-BC182003  Astragalus whitneyi var. lenophyllus Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-16 16525 Modoc 6.4 mi. W of Canby. Comment
  CAS-BOT-BC182011  Astragalus whitneyi var. lenophyllus Clare Butterworth Hardham 1961-6-18 7578 Modoc Mountains S of Cedar Pass, Warner Mts. Comment
  CAS-BOT-BC182021  Astragalus whitneyi var. lenophyllus John H. Hatton 1911-6-9 2 Modoc Sagebrush flat near Adin. Comment
  CAS-BOT-BC30208  Athyrium alpestre var. americanum Annie Montague Alexander; L. Kellogg 1946-7-23 5056 Modoc Emerson Peak, Warner Mts. Comment
  JEPS117501  Atriplex argentea var. argentea Lowell Ahart, John Dittes 2010-8-31 17137 Modoc About 400 yards west of Elkins Lane and the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley 1267 Comment
  POM312478  Atriplex rosea H. L. Mason 1947-8-9 13477 Modoc East side of Fairchild Swamp, north of Alturas Comment
  RSA624457  Atriplex rosea L. C. Wheeler 1935-10-10 4034 Modoc Alturas. 1356 Comment
  CHSC67160  Balsamorhiza hookeri James D. Jokerst 1994-5-20 4062 Modoc Near Hog Reservoir N of Canby, N of Hwy. 139, N of railroad, E of gravel road to Hog Lake. Comment
  HSC5174  Balsamorhiza hookeri M. T. Milligan 1964-5-9 33 Modoc 4 mi. N of Hwy. 139 on USFS Rd. 44N15 1524 Comment
  UC1119016  Balsamorhiza hookeri R. C. Wilson 1933-5-24 27 Modoc near Allen Place (Canby); Canby 1310 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-BC15181  Balsamorhiza hookeri var. lanata Bruce Bartholomew; Barrett Anderson 1988-5-12 4130 Modoc Ca. 13 km NNE of Adin on State Highway 229 at turnoff to Higgins Flat on USFS road 41N11. 1440 Comment
  CAS-BOT-BC15182  Balsamorhiza hookeri var. lanata Elmer Ivan Applegate 1897-6-1 873 Modoc Hills about 10 mi. N of Canby. Comment
  CAS-BOT-BC15184  Balsamorhiza hookeri var. lanata Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-11 6503 Modoc SE side of Hager Basin, along Crowder Flat Road. 1680 Comment
  CAS-BOT-BC15190  Balsamorhiza hookeri var. lanata E. S. Willits 1940-5-4 212 Modoc Willow Ranch. 1371 Comment
  SEINET476714  Balsamorhiza macrolepis var. platylepis Unknown 1923-4-26 Modoc Lookout Comment
  CAS-BOT-BC15129  Balsamorhiza sagittata Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16410 Modoc Steep hillside in Cedar Pass, along Cedar Pass Road between Alturas and Cedarville Comment
  CAS-BOT-BC15199  Balsamorhiza sagittata Lindsay Stuart Smith; E. H. Steffen 1917-6-2 29 Modoc Jess Valley, Modoc National Forest 1524 Comment
  POM35948  Balsamorhiza sagittata Mrs. R. M. Austin 1890-07 562 Modoc Goose Lake Valley Comment
  SFV3763  Balsamorhiza sagittata I. L. Wiggins, D. B. Wiggins 1960-6-12 16410 Modoc Along Cedar Pass road between Alturas and Cedarville. Steep hillside in Cedar Pass. Comment
  UC10248  Barbarea orthoceras Mrs. R. M. Austin July, 1894 Modoc Davis Creek Comment
  UC748375  Barbarea orthoceras Annie M. Alexander and Louise Kellogg 1946-7-17 5009 Modoc Benton Meadow; Warner Mountains 2072 Comment
  CHSC99254  Beckmannia syzigachne Lowell Ahart; John Dittes 2008-6-21 14991 Modoc In shallow water and on wet soil, along the edge of the drying pond, north of the large culvert, east of the large levee, mountain meadow, in Big Valley, about 2.8 miles (air) north of the Headquarters at Ash Creek State Wildlife Area, about 5.4 miles (air) northeast of Bieber. 1255 Comment
  UCD56801  Beckmannia syzigachne Beecher Crampton 1954-7-7 2162 Modoc 2.5 miles east of Alturas. Near Radio Station KCNO. Comment
  UCR136424  Beckmannia syzigachne Beecher Crampton 1954-7-7 2162 Modoc Modoc Plateau, 2.5 miles east of Alturas, near radio station KCNO 1341 Comment
  CAS-BOT-BC54183  Berberis aquifolium var. repens Isabelo T. Kelly 1930-1-1 51 Modoc Fandango Pass, Warner Mts. Comment
  UCR142894  Bergia texana L. C. Wheeler 1935-8-22 3910 Modoc Devil's Garden: South Mt. Reservoir 1524 Comment
  HSC65615  Berula erecta Thomas Wood 1979-8-11 251 Modoc 4 mi. S of Fort Bidwell on Co. Hwy. 1 1396 Comment
  SEINET2149791  Betula glandulosa K. T. Harper 1974-1 137 Modoc Dismal Swamp, north end of Warner Mountains. 2165 Comment
  UC748347  Betula occidentalis Annie M. Alexander and Louise Kellogg 1946-6-14 4746 Modoc edge Barber Creek; Patterson Mill Road 1798 Comment
  POM312323  Bidens cernua H. L. Mason, Verne Grant 1947-7-12 13431 Modoc South loop of west side road, north of Likely Comment
  UC71607  Bidens cernua Mrs. M. H. Manning 1903-8-25 331 Modoc Sessions Swamp, n end of Upper Alkali Lake Sessions Swamp, Upper Alkali Lake Comment
  CAS-BOT-BC15101  Bidens laevis Bruce Bartholomew 1992-8-7 6352 Modoc Along the Pit River just SW of Canby Bridge. 1300 Comment
  CAS-BOT-BC218118  Bistorta bistortoides Bruce Bartholomew 1990-6-15 5236 Modoc SE corner of Sweagert Flat. 1860 Comment
  HSC17484  Bistorta bistortoides M. T. Milligan 1964-6-25 85 Modoc Upper Lassen Creek 1829 Comment
  CAS-BOT-BC15104  Blepharipappus scaber Fred D. Douthitt 1916-5-11 12 Modoc Juniper Flats, Modoc National Forest 1524 Comment
  CAS-BOT-BC15120  Blepharipappus scaber Mrs. H. C. Cantelow 1940-5-31 3088 Modoc 3 mi E of Canby. Comment
  CHSC118294  Blepharipappus scaber L. P. Janeway 2016-5-17 12015 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
  CHSC99960  Blepharipappus scaber Lowell Ahart; John Dittes 2008-8-25 15295 Modoc On the west side of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout. 1273 Comment
  UCR57489  Blepharipappus scaber R. D. Goeden, Don W. Ricker 1989-8-23 890823- 22 Modoc Warner Mtns., Modoc National Forest, Fandango Pass Rd, near Warner Mtn, west of Pass 1616 Comment
  CAS-BOT-BC15076  Blepharipappus scaber Milo Samuel Baker 1936-6-16 8353 Modoc Hwy 395 between Alturas and Likely. Comment
  CAS-BOT-BC15102  Blepharipappus scaber Gordon H. True 1964-6-3 1438 Modoc N Fork Pit River between Altura and Goose Lake. 1432 Comment
  HSC5985  Blepharipappus scaber R. C. Wunner 1965-7-1 321 Modoc California Lava Beds National Monument; top of Gillems Bluff near NW Ranger Station 1372 Comment
  JEPS5985  Blepharipappus scaber Frances D. Payne 1931-6-11 146 Modoc s and e of Alturas (Parker Creek, Warner Mountains); Warner Mountains, Parker Creek 1584 Comment
  RSA508244  Blepharipappus scaber F. R. Fosberg 1957-8-18 38851 Modoc Upper Rush Creek Camp Ground, northeast of Adin. 1600 Comment
  RSA534712  Blepharipappus scaber Bruce Bartholomew 1990-6-18 5367 Modoc Southwest side of Goose Lake, 2 km north of McGinty Point. 1420 Comment
  RSA603853  Blepharipappus scaber L. C. Wheeler 1935-8-6 3795 Modoc Edge of mountains, 1/4 mile east Pine Creek (town), Warner Mountains. 1585 Comment
  SEINET3146118  Blepharipappus scaber L. S. Rose 1940-6-14 40566 Modoc Kelly Hot Springs 1341 Comment
  SEINET7379327 Image available Blepharipappus scaber M. J. Williams, A. Tiehm, J. Nachlinger 1988-6-2 88- 28 -4 Modoc Jess Valley, E of Likely, S of roadside rest. Comment
  SJSU8832  Blepharipappus scaber R. L. Fisher 1958-6-13 Modoc near Adin Pass c. 6 mi S of Canby 1524 Comment
  UC894098  Blepharipappus scaber Milo S. Baker 1936-6-16 8353 Modoc Hwy 395 between Alturas and Likely Alturas; Hwy. 395 Comment
  SEINET8734689 Image available Blepharipappus scaber var. scaber Margaret J. Williams 1984-1 84- 84 -4 Modoc NW of Alturas, 2.1 mi N of Hwy on the Crowder Flat road 1372 Comment
  JEPS53152  Boechera L. S. Smith 1917-7-2 68 Modoc Warren Mt. Warner Mts. 2590 Comment
  CAS-BOT-BC58659  Boechera lyallii Leland S. Smith 1917-7-2 68 Modoc Warren Mt. 2590 Comment
  CAS-BOT-BC95728  Boechera pauciflora Margaret M. Hanna 1956-6-5 s.n. Modoc Cedar Pass Campground Comment
  CAS-BOT-BC95730  Boechera pauciflora Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-13 6539 Modoc Just W of West Valley Reservoir. 1460 Comment
  CAS-BOT-BC14126  Boechera paupercula Annie M. Alexander; Louise Kellogg 1946-8-1 5107 Modoc Warner Mountains. Eagle Peak. West slope below crest of divide. Comment
  CHSC117032  Boechera pinetorum Lowell Ahart; John Dittes 2016-6-6 20947 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
  CAS-BOT-BC100300  Boechera puberula Bruce Bartholomew 1992-5-15 6292 Modoc Along Sand Creek in hills on the E side of Surprize Valley, E the N end of Middle Alkali Lake. 1410 Comment
  CAS-BOT-BC25533  Boechera retrofracta B. Bartholomew; B. Anderson 1988-5-13 4178 Modoc West side of the Warner Mountains. Juniper Flats, 10 km east of Likely on road to Jess Valley. 1450 Comment
  CAS-BOT-BC25708  Boechera sparsiflora C. L. Hitchcock 1940-5-27 6714 Modoc 15 miles northwest of Alturas. 1676 Comment
  CAS-BOT-BC95739  Boechera sparsiflora Bruce Bartholomew 1994-5-15 6694 Modoc Adjacent to Fee Reservoir. Ca. 10 km E of Fort Bidwell. 1590 Comment
  UC1573167  Boechera sparsiflora Dean W. Taylor 1989-8-5 10453 Modoc cirque headwall above South Emerson Lake (Emerson Creek drainage); Warner Mountains, , Emerson Creek 2560 Comment
  UC10097  Boechera sparsiflora Milo S. Baker 1893-6 Modoc Comment
  CAS-BOT-BC58646  Boechera stricta Elmer Ivan Applegate 1932-7-9 7614 Modoc N slope of Bidwell Mountain, Warner Mts. Comment
  OBI47984  Boechera subpinnatifida Rhonda Riggins 1989-4-28 1657 Modoc Pencil Rd, 4.1 mi N of hwy 395 E of Alturas. T43N, R12E, sec 24 1402 Comment
  CAS-BOT-BC58569  Boechera suffrutescens Annie Montague Alexander; L. Kellogg 1946-7-23 5054 Modoc Emerson Peak, Warner Mts. Comment
  POM46124  Boisduvalia densiflora var. densiflora R. M. Austin 1895-08 153 Modoc Goose Lake Valley Comment
  UC1199880  Botrychium simplex Annie Alexander and Louise Kellogg 1946-8-3 5111 Modoc Eagle Creek, head of Warner Mountains Comment
  NY119752  Brassica napus M. J. Williams 1988-5-28 88- 21 --1 Modoc Crowder Flat road, W of Alturas. Road leads to Devil's Garden and Big Sage Reservoir and is near Hwy. 299 Comment
  UCD57370  Briza maxima Gerald Dickinson 1963-7-16 106 Modoc 4 miles east of U. S. Highway 395. Above Middle Fork of Davis Creek. Plum Valley Campground. 1524 Comment
  CAS-BOT-BC244946  Brodiaea coronaria subsp. coronaria K. Paulson; Robert Paulson 1989-7-2 156 Modoc Between McKay Flat and Howerds Gulch. 1447 Comment
  HSC80915  Bromus briziformis G. M. Riegel 1980-6-30 789 Modoc S Warner Mtns. 1739 Comment
  CAS-BOT-BC242428  Bromus carinatus var. carinatus Bruce Bartholomew; Barrett Anderson 1988-7-22 4487 Modoc Vicinity of East Creak Trailhead, southern end of the Warner Mts. 2210 Comment
  JEPS69184  Bromus carinatus var. carinatus Leland S. Smith 1918-1 837 Modoc Comment
  UC1037132  Bromus carinatus var. carinatus Leo Whitney 1935-6-9 3207 Modoc White Horse Lake (Flat) near White Horse; White Horse Lake Comment
  UC1025054  Bromus commutatus Leo Whitney 1935-7-21 3582 Modoc 15 mi w of Canby (Modoc National Forest, Happy Camp); Modoc National Forest, Happy Camp 1463 Comment
  UC1024777  Bromus diandrus Leo Whitney 1934-6-2 2247 Modoc 15 mi nw of Canby (Modoc National Forest, Hackamore); Modoc National Forest, Hackamore 1463 Comment
  CAS-BOT-BC242469  Bromus hordeaceus Leland S. Smith 1924-6-8 1393 Modoc W of Egg Lake. 1310 Comment
  CAS-BOT-BC242470  Bromus hordeaceus John H. Hatton 1911-6-9 3 Modoc unspecified 1356 Comment
  CDA1828  Bromus japonicus T. C. Fuller 1958-7-8 1947 Modoc Corporation Ranch, Likely. 0 Comment
  CHSC117493  Bromus japonicus Lowell Ahart; John Dittes 2016-7-16 21247 Modoc Between the first pond and the second going west, south of Ash Creek Canal (now filled in), south of Ash Creek, Ash Creeek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.75 miles (air) west of Adin, Big Valley. 1273 Comment
  JEPS69175  Bromus japonicus Leland S. Smith 1918-1 871 1/2 Modoc Comment
  UC1024968  Bromus japonicus Leo Whitney 1935-7-6 3440 Modoc Pit River near Lookout; Pit River Comment
  UCD58872  Bromus japonicus Beecher Crampton 1954-7-7 2163 Modoc 2.5 miles east of Alturas. Near Radio Station KCNO. Comment
  SEINET3922999  Bromus japonicus Leo Whitney 1935-6-30 3351 Modoc Spaulding's Butte, 16 miles west-northwest of Canby.; 0 Comment
  UC53739  Bromus orcuttianus unknown Modoc California Comment
  SEINET3923301  Bromus rubens Leo Whitney 1935-5-21 3113 Modoc Lake Joaquina, Hackamore, ca. 15 miles northwest of Canby, Modoc National Forest.; 0 1463 Comment
  CAS-BOT-BC242460  Bromus suksdorfii Leland S. Smith 1922-7-20 1277 Modoc Rush Creek Ranger Station. 1905 Comment
  SEINET3923573  Bromus tectorum Leo Whitney 1935-5-26 3155 Modoc Ash Ceek, 10 miles east of Adin.; 0 Comment
  UCD123496  Callitriche fassettii Verne Grant; Irving Schneider 1947-7-18 8055 Modoc 1.4 miles north of Bayley's bridge, south of Alturas. 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
  HSC3805  Callitriche heterophylla M. T. Milligan 1966-8-11 648 Modoc E of Jess Valley 1768 Comment
  RSA722580  Calocedrus decurrens R. R. Halse 2006-8-4 6999 Modoc Along Highgrade Road ca. 4.4 miles north of Fort Bidwell, north end of the Warner Mountains, east slope 1765 Comment
  SEINET11051776  Calocedrus decurrens R. R. Halse 2006-8-4 6999 Modoc N end of the Warner Mountains, E slope, along Highgrade Road, ca 4.4 miles N of Fort Bidwell. 1765 Comment
  HSC15398  Calochortus leichtlinii M. T. Milligan 1964-7-25 192 Modoc 1.0 mi. E of Weber Salt Camp on Pine Creek Rd. 2134 Comment
  UC3505  Calochortus longebarbatus var. longebarbatus M. S. Baker and Frank Nutting 1894-6-29 Modoc near Lookout; Big Valley Comment
  CAS-BOT-BC242143  Calochortus macrocarpus Elmer Ivan Applegate 1932-7-9 7621 Modoc Surprise Valley, 5 mi. S of Fort Bidwell. Comment
  CAS-BOT-BC244926  Calochortus macrocarpus Bruce Bartholomew 1989-8-13 5143 Modoc Top of Manzanita Mountain. 2090 Comment
  SDSU11924  Calochortus macrocarpus D. F. Howe 1964-7-31 3905 Modoc Modoc Ntional Forest 8.5 miles from entrance on road from Likely, Warner Mts. 1554 Comment
  CHSC100010  Calycadenia fremontii Lowell Ahart; John Dittes 2008-8-25 15294 Modoc On the west side of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout. 1273 Comment
  CAS-BOT-BC197577  Calyptridium umbellatum Bruce Bartholomew; Barrett Anderson 1988-6-23 4243 Modoc 4.2 km NW of Day. 1020 Comment
  CAS-BOT-BC242123  Camassia quamash subsp. breviflora Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-14 16478 Modoc Campground on Lassen Creek, 1.6 mi. above ford. Comment
  CAS-BOT-BC242132  Camassia quamash subsp. breviflora K. Paulson; Robert Paulson 1988-5-22 2 Modoc Boles Creek, Devil's Garden. 1402 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
  UCD149892  Camelina microcarpa William Anderson 1963-5-5 s.n. Modoc Alturas. Comment
  CAS-BOT-BC191129  Camissonia andina Fred D. Douthitt 1916-5-11 16 Modoc Juniper Flats near West Valley. 1524 Comment
  CAS-BOT-BC191119  Camissonia boothii subsp. alyssoides Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-10 6451 Modoc At the Nevada border directly E of Eagleville, E side of Surprise Valley. 1520 Comment
  CAS-BOT-BC191120  Camissonia boothii subsp. alyssoides Bruce Bartholomew; Barrett Anderson 1989-6-2 4812 Modoc Sand dunes at the SE corder of Upper Alkali Lake, E side of Surprise Valley. 1400 Comment
  CAS-BOT-BC191110  Camissonia contorta Bruce Bartholomew 1995-6-24 7023 Modoc 2.6 km N of turn off to Tionesta on State Hwy 139. 1250 Comment
  JEPS31564  Camissonia contorta Frances D. Payne 1932-6-10 637 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  UC20540  Camissonia contorta M. S. Baker and Frank Nutting 1894-6-29 Modoc Big Valley Comment
  CAS-BOT-BC191105  Camissonia pusilla Bruce Bartholomew 1993-6-13 6642 Modoc Consolidated sand dunes just W of Leonard Hot Spring, E side of Surprise Valley. 1410 Comment
  RSA600332  Camissonia subacaulis Louis C. Wheeler 1935-8-1 3731 Modoc Warner Mountains: Dismal Swamp, Twenty Mile Creek. 2226 Comment
  CAS-BOT-BC191080  Camissonia tanacetifolia subsp. tanacetifolia Mrs. H. C. Cantelow 1940-5-31 4044 Modoc 0.8 mi. E of Canby. Comment
  CAS-BOT-BC191094  Camissonia tanacetifolia subsp. tanacetifolia John Thomas Howell 1934-7-2 12358 Modoc E side of Clear Lake. 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
  HSC6621  Capsella bursa-pastoris M. T. Milligan 1965-6-23 286 Modoc N end of Jess Valley 1616 Comment
  NY119874  Cardamine breweri N. H. Holmgren 1970-6-23 4370 Modoc Warner Mtns., North Fork Deep Creek, 6.5 road miles W of Cedarville cemetary. 2133.6 Comment
  RSA0116208  Cardamine breweri C. L. Hitchcock 1940-5-27 6712 Modoc 15 miles NE of Alturas. 1677 Comment
  CAS-BOT-BC58433  Cardamine breweri var. breweri Betty J. Hammerly 1941-6-20 33 Modoc Along bank of Clear Lake, S end of Warner Mts. Comment
  CAS-BOT-BC58473  Cardamine breweri var. breweri Bruce Bartholomew 1989-8-11 5102 Modoc Vicinity of Patterson Ranger Station, S end of Warner Moutains. 2160 Comment
  JEPS53401  Cardamine californica var. integrifolia Frances D. Payne 1931-6-22 242 Modoc s and e Alturas (Dry Creek tributary of Parker Creek, Warner Mountains); Warner Mountains, Dry Creek tributary Parker Creek 1828 Comment
  CDA10594  Carduus acanthoides G. Deal 1997-7-25 s.n. Modoc Tuscarora Pipe Line right-of-way near Hackamore. 0 Comment
  HSC48000  Carex amplectens D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19460 Modoc Upper Rush Creek Campground, about 8 mi. N of Adin on Hwy. 299 Comment
  HSC87845  Carex amplifolia Gladys L. Smith, Geri Hulse-Stephens 1981-7-23 7034 Modoc Twayblade Bog; on curve of FS 20N04, about 8 km. below Mt. Sanhedrin Lookout 1463 Comment
  UC1100651  Carex angustata Verne Grant and Irving Schneider 1947-8-29 8352 Modoc Pit River, at bridge by Coal Stone Valley Pit River, Coal Stone Valley Comment
  UCD140094  Carex angustata Verne Grant; Irving Schneider 1947-8-29 8352 Modoc Pit River, at bridge by Coal Stone Valley. Comment
  CAS-BOT-BC245195  Carex atherodes Robert Folger Thorne; et al 1969-9-3 39018 Modoc SE end of Tule Lake Sump, 0.5 mi. N of turnoff to Lava Beds National Monument. 1264 Comment
  JEPS119856  Carex athrostachya Lowell Ahart, John Dittes 2012-7-11 18345 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
  UC1100436  Carex athrostachya Verne Grant, Herbert L. Mason 1947-7-10 13355 Modoc 2 mi E of Alturas (1/4 mi W of Dorris Reservoir) Comment
  CAS-BOT-BC498657  Carex aurea B. Crampton 1954-7-6 2099 Modoc Shields Creek, Warner Mountains, 20 mi E of Alturas 1676 Comment
  RSA92358  Carex aurea Beecher Crampton 1954-7-6 2099 Modoc Edge of flowing water of Shields Creek, Warner Mountains, 20 miles east of Alturas. 1524 Comment
  HSC48010  Carex brainerdii D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19510 Modoc Big Valley Summit, 6 mi. W of Adin on Hwy. 299 Comment
  UC1586928  Carex densa Juha Pykala and D. H. Norris 1987-5-28 1301 Modoc Joseph Creek Rd. about 3 road mi from Highway 395 (w of Warner Mountains) 1550 Comment
  SEINET7556921 Image available Carex diandra Unknown 1969-9-5 39164 Modoc Modoc National Forest, Warner Mts, Clear Lake. 1768 Comment
  CAS-BOT-BC245187  Carex douglasii E. H. Steffen 1917-6-9 31 Modoc Jess Valley. 1524 Comment
  CAS-BOT-BC242367  Carex filifolia var. erostrata Leland S. Smith 1920-6-2 1160 1/2 Modoc Dismal Swamp. 2042 Comment
  POM81337  Carex hassei Mrs. R. M. Austin 1895-07 491 Modoc Goose Lake Valley. Comment
  UCD140433  Carex heteroneura L. S. Smith 1918-8-11 1018 Modoc Trail to Lost Lake. Comment
  HSC48188  Carex hoodii D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19423 Modoc Near Hager Reservoir Comment
  UC1540214  Carex jonesii Dean Wm. Taylor, Glenn L. Clifton 1987-6-27 9116 Modoc headwaters of upper South Deep Creek Warner Mountains, South Deep Creek 2194 Comment
  RSA0037177  Carex lanuginosa Lowell A. Ahart, John Dittes 2012-7-12 18368 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-BC242355  Carex lenticularis var. impressa Bruce Bartholomew; Barrett Anderson 1988-6-24 4333 Modoc Lily Lake, W side of the Warner Mts.. 2130 Comment
  UC1158683  Carex lenticularis var. lipocarpa Arthur Cronquist, Arthur H. Holmgren 1959-6-19 8499 Modoc 15 mi e of Likely (just above Clear Lake, Warner Mountains, along Mill Creek); Warner Mountains, Mill Creek 1828 Comment
  CAS-BOT-BC245178  Carex multicaulis Bruce Bartholomew 1992-5-17 6345 Modoc SW side of White Horse Mountains, SW of White Horse Flat Reservoir. 1460 Comment
  HSC48007  Carex multicaulis D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19506 Modoc Big Valley Summit, 6 mi. W of Adin on Hwy. 299 Comment
  CAS-BOT-BC245168  Carex nebrascensis Louis Cutter Wheeler 1935-8-16 3870 Modoc Dismal Swamp, Twenty-Mile Creek. 2225 Comment
  CDA33120  Carex nebrascensis T. C. Fuller 1961-5-17 6960 Modoc Old lumber mill site, Sugar Hill planting area, Lassen Creek. 0 Comment
  UC1536800  Carex nebrascensis Gordon H. True Jr. 1939-6-25 992 Modoc nw Alturas; Boles Meadow Comment
  CHSC108019  Carex pellita Lowell Ahart; John Dittes 2011-6-21 17528 Modoc About 100 yards west of the parking Area west of the old barn, on the west side of Elkins Lane, Ash Creek State Wildlife Area, 320 feet north of Lassen County Line, about 4.4 miles (air) west of Adin, about 7.2 miles (air) northeast of Bieber, Big Valley. 1268 Comment
  UC1024338  Carex phaeocephala Annie M. Alexander and Louise Kellogg 1946-7-23 5047 Modoc near summit Emerson Peak; Warner Mountains 2749 Comment
  RSA59544  Carex praegracilis E. K. Balls 1950-5-10 14596 Modoc West shore Middle Lake, near Cedarville. 1402 Comment
Read comments Nov 5 2008
  SJSU9572  Carex praegracilis W. Savage 1979-7-3 1320 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  UC1586914  Carex praegracilis Juha Pykala and D. H. Norris 1987-5-28 1289 Modoc Joseph Creek Warner Mountains, Modoc National Forest, Joseph Creek Basin 1650 Comment
  CHSC109464  Carex rossii L. P. Janeway; B. Castro 2012-7-26 11015 Modoc Warner Mountains. Top of Yellow Mountain; topmost part and western edge (at the edge of a steep dropoff to the northwest). 2463 Comment
  CHSC109225  Carex scopulorum var. bracteosa L. P. Janeway; B. Castro 2012-7-24 10954 Modoc Warner Mountains. Along Forest Road/County Road 2 (the road from New Pine Creek to Fort Bidwell) 1.4 air km east of Lily Lake and 1.8 air km southwest of Dismall Swamp. 2250 Comment
  CAS-BOT-BC245151  Carex straminiformis Annie Montague Alexander; L. Kellogg 1946-7-23 5048 Modoc Emerson Peak. 2749 Comment
  HSC75587  Carex straminiformis G. M. Riegel 1979-7-30 625 Modoc S Warner Mtns. 1829 Comment
  RSA233773  Carex subfusca Robert F. Thorne, C. W. Tilforth 1969-9-5 39145 Modoc Margin of small slough along South Fork of Pit River above jct. with West Creek at Public Campground, ca. 6 miles E of Likely. 1402 Comment
  RSA252450  Carex utriculata Robert F. Thorne, C. W. Tilforth 1969-9-5 39186 Modoc Pine Creek where it is crossed by Highway 395, 3.4 miles S of Alturas. 1341 Comment
  CAS-BOT-BC115186  Carex vernacula John Thomas Howell 1934-6-14 12165 Modoc Near Lost Lake, Warner Mts. 2438 Comment
  UC1024341  Carex vernacula Annie M. Alexander and Louise Kellogg 1946-7-30 5100 Modoc under Eagle Peak; Warner Mountains Comment
  CAS-BOT-BC225974  Castilleja applegatei subsp. pinetorum Elmer Ivan Applegate 1932-8-7 8235 Modoc Lily Lake, Bidwell Pass, Warner Mountains Comment
  CAS-BOT-BC225986  Castilleja applegatei subsp. pinetorum K. Paulson; Robert Paulson 1988-6-29 58 Modoc Joseph Creek Basin, Warner Mts.. 1524 Comment
  CAS-BOT-BC225993  Castilleja applegatei subsp. pinetorum Alice Eastwood; John Thomas Howell 1940-6-13 8144 Modoc Fandango Pass. Comment
  CAS-BOT-BC248340  Castilleja applegatei subsp. pinetorum B. Bartholomew; H. Sun 2002-6-24 8807 Modoc Ridge top just S of Manzanita Mt. and 15.3 straight line km NW of Aden 2070 Comment
  CHSC117769  Castilleja applegatei subsp. pinetorum L. P. Janeway 2016-5-18 12058 Modoc Modoc Plateau. Northeast corner of the Devils Garden area; along Road 47N37 0.6 km north of Road 73/181/47N09. 1626 Comment
  HSC30195  Castilleja applegatei subsp. pinetorum D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19470 Modoc Upper Rush Creek Campground, about 8 mi. N of Adin on Hwy. 299 Comment
  SEINET13732522  Castilleja applegatei subsp. pinetorum M. J. Williams 1968-6-1 s.n. Modoc Cedar Pass. 2103 Comment
  UC199409  Castilleja applegatei subsp. pinetorum Franklin P. Nutting 1900-1-1 Modoc near Egg Lake Comment
  CAS-BOT-BC225972  Castilleja applegatei var. pinetorum M. M. Hanna 1956-6-7 1009 Modoc Hwy 139 between Canby and Tienesta. Comment
  JEPS120884  Castilleja chromosa Lowell Ahart, John Dittes, Todd Sloat 2013-6-8 18765 Modoc About 300 yards E of the Parking Area, E of the old barn, Ash Creek Wildlife Area, about 3.9 air miles W of Adin, about 7.7 air miles NE of Bieber. Big Valley. Comment
  CAS-BOT-BC226024  Castilleja lacera K. Paulson; Robert Paulson 1988-6-19 40 Modoc W of Cranby Bridge. 1310 Comment
  JEPS36815  Castilleja linariifolia Charles F. Quibell 1964-7-1 Modoc 2.5 mi e Alturas (along U.S. Hwy 395) Comment
  POM260863  Castilleja linariifolia Alice Eastwood, John T. Howell 1940-6-14 8195 Modoc 6 miles w. of Alturas. Comment
  HSC80798  Castilleja miniata G. M. Riegel 1980-7-9 857 Modoc S Warner Mtns. 2100 Comment
  CAS-BOT-BC226061  Castilleja pilosa Bruce Bartholomew 1991-6-21 5825 Modoc Vicinity of Drift Fence Tank, 2 km S of Forest Service road 73 on road to Rim Rock Valley. 1580 Comment
  JEPS79123  Castilleja pilosa L. R. Heckard with R. Bacigalupi 1980-6-10 5226 Modoc sw margin Egg Lake (now dry); Egg Lake Comment
  SBBG7072  Castilleja pilosa H. and M. Dearing 1939-6-9 3629 Modoc near Squaw Peak, Warner Mtns 2133 Comment
  UCSB19310  Castilleja pruinosa Haller, John 1962-6-7 Modoc Little Meadows campground, South Fork of the Pit River, 8 miles east of Likely, 1.5 miles west of the western end of Jess Valley Warner Mountains 1524 Comment
  SJSU11532  Castilleja rubicundula subsp. lithospermoides H. L. Buckalew 1961-6-23 Modoc by Stough Reservoir 1 mi N of Cedar Pass on Alturas-Cedarville Rd 2042 Comment
Read comments Jun 3 2009
  CAS-BOT-BC226071  Castilleja tenuis Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-15 16509 Modoc 13 mi. W of Canby along Calif. St. Hwy 139. Comment
  CHSC85165  Castilleja tenuis John Dittes; Josephine Guardino 1991-7-21 395 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
  JEPS120511  Castilleja tenuis L. P. Janeway, B. Castro 2012-7-25 10984 Modoc Warner Mountains. Comment
  UC1025097  Castilleja tenuis Leo Whitney 1934-5-24 1630 Modoc near Hackamore; Modoc National Forest 1463 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
  UC1281476  Ceanothus X flexilis H. E. McMinn 1941-8-27 5405 Modoc Egg lake 12-13 mi from Lookout, Egg Lake; Egg Lake Comment
  CAS-BOT-BC217109  Ceanothus prostratus Belknap C. Goldsmith 1911-5-20 21 Modoc Sugar Hill. 1524 Comment
  RSA785570  Ceanothus prostratus Doris Bowers 1972-9-2 1896 Modoc Upper Camp, Rush Creek, N/o Adin 1220 Comment
  UC18392  Ceanothus prostratus Milo S. Baker 1893-6 Modoc Red Soil 1524 Comment
  CAS-BOT-BC217115  Ceanothus velutinus John Thomas Howell 1934-6-13 12059 Modoc Fandango Pass. 1828 Comment
  SEINET198560  Ceanothus velutinus H. K. Sharsmith 1955-6-25 4505 Modoc Modoc National Forest ; Warner Mts on trail to Mill Creek Falls and Clear Lake 1753 Comment
  CDA36158  Centaurea diffusa C. Pirosko Jul 2003 s.n. Modoc 0 Comment
  CAS-BOT-BC15095  Centaurea maculosa Bruce Bartholomew 1989-7-14 4970 Modoc N end of Big Valley. Comment
  NY848750  Cercocarpus ledifolius var. intermontanus B. Anderson 1986-7-10 3194 Modoc Warner Mountains. West Warner road north of the North Fork of Pine Creek 1965 Comment
  NY848757  Cercocarpus ledifolius var. intermontanus R. M. Austin 08 1894 s.n. Modoc Lassen Creek Comment
  NY848759  Cercocarpus ledifolius var. intermontanus L. S. Rose 1940-6-13 40553 Modoc Fandango Pass 1905 Comment
  CAS-BOT-BC214640  Cercocarpus ledifolius var. ledifolius Robert Folger Thorne; C. W. Tilforth 1969-9-5 39151 Modoc Near Mill Creek Falls, Warner Mts., Modoc National Forest 1752 Comment
  CAS-BOT-BC248320  Cercocarpus ledifolius var. ledifolius B. Bartholomew; H. Sun 2002-6-24 8866 Modoc Fandango Pass on the E side of the Warner Mountains near the crest of the mountains 1820 Comment
  NY418596  Cercocarpus macrourus M. S. Baker 1893-6-20 s.n. Modoc Comment
  CHSC109512  Chaenactis douglasii var. douglasii L. P. Janeway; B. Castro 2012-7-25 10996 Modoc Warner Mountains. Along Twelve Mile Creek 3.5 air mi east-southeast of Dismal Swamp and 2.7 air km norhteast of Mount Bidwell. 2182 Comment
  HSC5248  Chaenactis douglasii var. douglasii M. T. Milligan 1966-8-3 643 Modoc W slope of Eagle Peak Comment
  HSC5249  Chaenactis douglasii var. douglasii M. T. Milligan 1966-6-19 473 Modoc Plateau W of Jess Valley 1829 Comment
  POM139984  Chamaebatiaria millefolium M. H Manning s.n. Modoc NW Modoc County Comment
  CAS-BOT-BC245417  Chamaesaracha nana Bruce Bartholomew; Barrett Anderson 1990-7-20 5533 Modoc 3.4 km NW of Tamarack Flat, E side of Warner Mts. 2130 Comment
  JEPS9109  Chamaesaracha nana W. L. Jepson 1918-8-7 7854 Modoc Mt. Bidwell 1798 Comment
  JEPS9110  Chamaesaracha nana L. S. Smith 1918-7-14 995 Modoc Mill Creek Modoc Forest (Eagleville Trail) 2133 Comment
  RSA312310  Chamaesyce serpillifolia H. L. Mason, Verne Grant, C. T. Mason 1947-7-10 13325 Modoc Dorris Reservoir, 2 miles east of Alturas. Comment
  SBBG128254  Chamaesyce serpillifolia subsp. serpillifolia L. Ahart, J. Dittes 2010-8-30 17054 Modoc N side of a small wash, ca. 10 yards W of the fence, S edge of the meadow, Ash Crk State Wildlife Area, 2300 feet N of Lassen County Line, ca. 3.6 mi W of Adin, ca. 8 mi NE of Bieber, Big Valley 1267 Comment
  NY1001694  Chamaesyce serpyllifolia M. J. Williams 1985-8-13 85- 66 --2 Modoc Big Sage Reservoir. Northwest of Alturas 1524 Comment
  UC450214  Chamaesyce serpyllifolia Franklin P. Nutting 1900-8-30 Modoc Forestdale Comment
  JEPS39319  Chamerion angustifolium subsp. circumvagum L. S. Smith 1918-1 1063 Modoc Coyote Creek Warner Mts. Comment
  JEPS121230  Chenopodium album Lowell Ahart, John Dittes 2013-7-24 18933 Modoc About 50 yards S of the levee road, N side of Ash Creek Floodplain, 0.54 air miles SE of Pilot Butte parking area, 1.1 air miles S of County Road 87, 6.8 air miles W of Adin, Big Valley. Comment
  JEPS59681  Chenopodium album Frances D. Payne 1931-7-4 320 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  RSA210831  Chenopodium chenopodioides R. F. Thorne, J. Henrickson, C. W. Tilforth 1969-9-4 39079 Modoc E shore of Goose Lake at Willow Ranch. 1433 Comment
  CAS-BOT-BC95525  Chenopodium hians Herbert Louis Mason; Verne Grant 1947-7-10 13345 Modoc Dorris Reservoir, 2 mi E of Alturas. Comment
  JEPS117371  Chenopodium rubrum var. humile Lowell Ahart, John Dittes 2010-8-30 17049 Modoc About 10 yards west of fence, south edge of the meadow, Ash Creek State Wildlife Area, 2300 feet north of Lassen County line, 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley 1267 Comment
  UC21660  Chimaphila umbellata Milo S. Baker 1893-6 Modoc Comment
  CDA19915  Chorispora tenella R. Breckenridge, Kratville 2002-6-6 PDR 920238 Modoc Northern California; in the vicinity of Alturas. 1328 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
  POM166648  Chrysolepis sempervirens Baker, Nutting 1893-06 3262 Modoc Squaw Valley, near Mt. Shasta. Comment
  RSA540062  Chrysothamnus nauseosus subsp. albicaulis Bruce Bartholomew, B. Anderson 1990-7-20 5457 Modoc Margin of Goose Lake at S end of the causeway to McGinty Point. 1440 Comment
  CAS-BOT-BC15036  Chrysothamnus nauseosus subsp. consimilis Elmer Ivan Applegate 1932-8-6 8198 Modoc E side of Middle Lake, Surprise Valley. Comment
  CAS-BOT-BC15037  Chrysothamnus nauseosus subsp. consimilis Isabelo T. Kelly 1930-1-1 56 Modoc Fort Bidwell. Comment
  RSA795594  Chrysothamnus nauseosus subsp. consimilis L. Ahart, John Dittes 2010-8-30 17052 Modoc About 3 yards east of the fence, south edge of the meadow, Ash Creek State Wildlife Area, 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-BC14981  Chrysothamnus parryi subsp. nevadensis Francis Dorris Payne 1935-8-25 809 Modoc Parker Creek. 1584 Comment
  JEPS6006  Chrysothamnus viscidiflorus subsp. lanceolatus Frances D. Payne 1935-8-25 812 Modoc s and e of Alturas; Warner Mountains, Parker Creek 1584 Comment
  CAS-BOT-BC14982  Chrysothamnus viscidiflorus subsp. puberulus Bruce Bartholomew 1991-8-6 6093 Modoc 9 km E of Eagleville, Surprise Valley. 1450 Comment
  CAS-BOT-BC14984  Chrysothamnus viscidiflorus subsp. viscidiflorus Philip Alexander Munz 1951-9-14 16979 Modoc Jess Valley, S Warner Mountains 1630 Comment
  CAS-BOT-BC14999  Chrysothamnus viscidiflorus subsp. viscidiflorus Ernest Christian Twisselmann 1961-9-22 6573 Modoc Jess Valley, Warner Mountains 1676 Comment
  HSC42456  Chrysothamnus viscidiflorus subsp. viscidiflorus Barbara Kelly 1977-8-9 555 Modoc Ash Creek Campground near a campsite Comment
  JEPS21408  Chrysothamnus viscidiflorus subsp. viscidiflorus W. L. Jepson 1918-8-6 7836 Modoc Fandango Pass 1859 Comment
  JEPS21427  Chrysothamnus viscidiflorus subsp. viscidiflorus W. L. Jepson 1918-8-7 7874 Modoc Mt. Bidwell 2468 Comment
  POM229873  Chrysothamnus viscidiflorus subsp. viscidiflorus L. C. Wheeler 1935-8-12 3828 Modoc Cottonwood Creek, Warner Mts. 1982 Comment
  SEINET10879186  Chrysothamnus viscidiflorus subsp. viscidiflorus Andrew Townesmith, Karen M. Meyer 2007-9-15 Townesmith 926 Modoc Modoc National Forest, Warner Mountain Ranger District. Along state route 299, 10.9 miles west of junction with US route 395. At Cedar Pass. T43N R15E S28 SW 1/4. 1928 Comment
  JEPS15743  Cicuta maculata var. angustifolia W. L. Jepson 1918-8-9 7921 Modoc Fort Bidwell 1432 Comment
  CAS-BOT-BC191002  Circaea alpina subsp. pacifica Bruce Bartholomew 1991-8-6 6089 Modoc S Emerson Trail at stream between S Fork of Emerson Creek and Bearcamp Trail, Warner Mts. 2130 Comment
  CAS-BOT-BC191004  Circaea alpina subsp. pacifica Bruce Bartholomew; Barrett Anderson 1988-7-22 4524 Modoc Vicinity of Emerson Campground E side of the Warner Mts.. 1830 Comment
  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
  UCR57505  Cirsium arvense R. D. Goeden, Don W. Ricker 1989-8-23 890823- 13 Modoc Modoc National Wildlife Refuge, Alturas 1341 Comment
  CDA1059  Cirsium arvense Loring White 1959-7-2 s.n. Modoc 1.5 mi. S/ Tulelake. 0 Comment
  CAS-BOT-BC14961  Cirsium cymosum Alice Eastwood; John Thomas Howell 1940-6-13 8154 Modoc Fandango Pass. Comment
  CAS-BOT-BC14962  Cirsium cymosum Lewis Samuel Rose 1940-6-13 40560 Modoc E slope of Cedar Pass. 1828 Comment
  CAS-BOT-BC14964  Cirsium cymosum Annie Montague Alexander; L. Kellogg 1946-6-14 4766 Modoc Silver Creek branch of Patterson Mill Road. 1828 Comment
  CDA1165  Cirsium cymosum T. C. Fuller 1959-7-8 2761 Modoc Hwy 299; 8 mi. west of Alturas. 0 Comment
  CDA1507  Cirsium ochrocentrum var. ochrocentrum William J. Ferlatte 1971-6-29 1359 Modoc County Rd. 55 (Pencil Rd.), 0.8 mi. N of Hwy 299 (I-395), 2 mi. E of Alturas. Comment
  CAS-BOT-BC14941  Cirsium scariosum Bruce Bartholomew; Barrett Anderson 1988-7-22 4491 Modoc Vicinity of East Creak Trailhead, southern end of the Warner Mts. 2210 Comment
  RSA0059899  Clarkia lassenensis Barbara Ertter 1988-6-18 7622 Modoc Hwy 139 ca 50 airmiles SW of Klamath Falls, a few miles N of Agric. Inspection State, 1 mi S of S jct to Lava Beds Nat l Monument E of Tonesta. 1311 Comment
  CAS-BOT-BC191047  Clarkia rhomboidea Leland S. Smith 1917-7-24 129 Modoc Joseph Creek. 1676 Comment
  UC1422888  Clarkia rhomboidea Peter H. Raven and Otto T. Solbrig 1958-6-18 13309 Modoc Cottonwood Flat Camp Ground Modoc National Forest Comment
  JEPS101050  Claytonia megarhiza Dean Wm. Taylor with Glenn L. Clifton 1989-8-5 10463 Modoc Warner Mountains, steep northeast face Eagle Peak 2880 Comment
  RSA59934  Claytonia rubra E. K. Balls 1950-5-12 14640 Modoc above Bucks Creek Ranger Station, Modoc National Forest; east of Goose Lake. 1768 Comment
  RSA276912  Claytonia rubra J. M. Miller 1978-6-19 753 Modoc Modoc County: Warner Mtns, Fandango Pass. 2357 Comment
  CAS-BOT-BC197471  Claytonia rubra subsp. rubra Bruce Bartholomew 1990-6-15 5228 Modoc S end of Deer Spring Ridge, 0.2 km N of turn off to Knox Flat. 1920 Comment
  CHSC117882  Claytonia rubra subsp. rubra L. P. Janeway 2016-5-16 11986 Modoc Modoc Plateau. Devils Garden area; along Road 47N07 1.8 road-km south of Road 181/73/47N09. 1573 Comment
  SEINET8727062 Image available Cleome platycarpa Helen K. Sharsmith 1955-1 4503 Modoc West Valley Reservoir in sagebrush-juniper. Just outside west boundary Modoc National Forest, west slope Warner Mountains. 1524 Comment
  CAS-BOT-BC226085  Collinsia parviflora Elmer Ivan Applegate 1932-8-2 8085 Modoc Mill Creek Meadow, western slope of Warner Mts. Comment
  CAS-BOT-BC226097  Collinsia parviflora Bruce Bartholomew; Mona Bourell 1990-4-26 5158 Modoc 0.5 km S of Day. 1100 Comment
  CAS-BOT-BC229862  Collinsia parviflora Fred D. Douthitt 1916-5-11 25 Modoc Near Flournoy Swale. 1524 Comment
  CAS-BOT-BC229864  Collinsia parviflora Bruce Bartholomew; Barrett Anderson 1988-6-24 4299 Modoc Road beyond Poison Lake ca. 8 km S of the road from U.S. Highway 395 to Lily Lake, Warner Mts.. 2130 Comment
  JEPS17636  Collinsia parviflora Rimo Bacigalupi with G. Thomas Robbins 1955-7-20 5398 Modoc 3.3 mi e Patterson Ranger Station (summit of forest rd across s Warner Range); Warner Mtns 2225 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
  JEPS3160  Collinsia parviflora N. T. Mirov 1929-6-22 Modoc e slope Warner Mtns 2286 Comment
  JEPS3169  Collinsia parviflora N. T. Mirov 1929-5-30 Modoc Warner Mtns; pasture 1524 Comment
  RSA0117238  Collinsia parviflora Clare B. Hardham 1961-6-17 7523 Modoc Cedar Pass Camp Ground, Warner Mountains. Comment
  CAS-BOT-BC229872  Collinsia torreyi Bruce Bartholomew 1993-6-12 6596 Modoc Above the road to Day Rock from Little Hot Spring Valley. 1260 Comment
  CAS-BOT-BC229874  Collinsia torreyi Leland S. Smith 1924-6-8 1369 Modoc Timber E of Egg Lake. 1310 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-BC190732  Collomia grandiflora Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16437 Modoc 4 mi. E of summit of Cedar Pass along Cedar Pass road. Comment
  CAS-BOT-BC190734  Collomia grandiflora Bruce Bartholomew; Barrett Anderson 1989-6-2 4805 Modoc 6.4 km E of Fort Bidwell on road to Fee Reservoir, NE corner of Surprise Valley. 1460 Comment
  HSC16915  Collomia grandiflora M. T. Milligan 1964-7-20 159 Modoc N end of Jess Valley, near Mill Creek. 1677 Comment
  CDA39999  Collomia grandiflora T. C. Fuller 1958-7-8 2034 Modoc 4 miles south of Pine Creek. 0 Comment
  UC1191648  Collomia grandiflora Verne Grant and Irving Schneider 1947-7-20 8106 Modoc downstream from Alturas; North Fork of Pit River 1341 Comment
  CAS-BOT-BC190723  Collomia linearis Elmer Ivan Applegate 1932-8-3 8106 Modoc Mill Creek Meadow, W slope of Warner Mts. Comment
  CAS-BOT-BC229517  Collomia linearis Annie M. Alexander; Louise Kellogg 1946-7-3 4900 Modoc Bidwell Creek, 7 miles W of Fort Bidwell Comment
  CAS-BOT-BC190713  Collomia tinctoria Betty J. Hammerly 1941-6-20 41 Modoc Clear Lake public camp. 1767 Comment
  UC23677  Collomia tinctoria M. S. Baker and Frank Nutting 1894-6-5 Modoc Little Hot Spring Valley Comment
  CAS-BOT-BC225783  Comandra umbellata subsp. californica Bruce Bartholomew 1993-6-12 6592 Modoc Top of ridge directly above Day Rock. 1380 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
  JEPS117182  Conium maculatum Lowell Ahart, John Dittes 2010-8-30 17066 Modoc On the sides of a small wash, about 10 yards east of the fence, south edge of the meadow, Ash Creek State Wildlife Area, 2300 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley 1267 Comment
  UC1036065  Corallorhiza maculata Annie M. Alexander and Louise Kellogg 1946-7-17 5005 Modoc Benton Meadow Warner Mountains 2072 Comment
  JEPS62803  Cordylanthus capitatus Wayne Roderick 1970-8-23 Modoc about 3 mi n summit of Cedar Pass (nw of Cedarville) Comment
  JEPS74348  Cordylanthus capitatus L. R. Heckard, T. I. Chuang, and R. Bacigalupi 1974-7-24 3767 Modoc along forest service road 3.5 mi n Cedar Pass; Warner Mts. 2042 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
  UC748141  Cordylanthus ramosus Annie M. Alexander and Louise Kellogg 1946-7-7 4942 Modoc Eight Mile Creek; ne corner of county 1752 Comment
  UC199371  Cordylanthus tenuis subsp. viscidus Franklin P. Nutting Modoc Big Valley Mts. Comment
  POM97790  Corydalis aurea subsp. aurea Mrs. R. M. Austin 1884-06 s.n. Modoc Modoc County: Pilt River Comment
  CAS-BOT-BC197567  Crataegus douglasii Belknap C. Goldsmith 1910-5-9 5 Modoc Fandango Creek, W slopes Warner Mts. 1584 Comment
  HSC102677  Crataegus douglasii J. P. Smith, J. O. Sawyer 2011-8-13 13365 Modoc Fence row along County Road 86. 1304 Comment
  JEPS123834  Crataegus douglasii Lowell Ahart, John Dittes 2015-7-17 20396 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-BC14901  Crepis acuminata Bruce Bartholomew 1991-8-4 6016 Modoc Drift Fence Tank, ca. 8 km directly W of Goose Lake. 1580 Comment
  CAS-BOT-BC14902  Crepis acuminata Robert Patterson; Mona Bourell 1993-8-15 5253 Modoc Warner Mountains. Along trail from Patterson Lake to ca. 2 mi north towards Pepperdine Trailhead. 2743 Comment
  CAS-BOT-BC14904  Crepis acuminata Bruce Bartholomew 1989-7-15 5010 Modoc Manzanita Lookout, top of Manzanita Mountain. 2130 Comment
  UC31287  Crepis acuminata Milo S. Baker 1893-6 Modoc Lava beds Comment
  POM253180  Crepis acuminata A. A. Heller 1938-6-24 15220 Modoc Grassy hillside between Alturas and Canby on U. S. Highway 299 1341 Comment
  SJSU9607  Crepis acuminata W. Savage 1979-7-7 1466 Modoc Triangle, Devils Garden District, Modoc National Forest 1493 Comment
  UC726061  Crepis acuminata A. A. Heller 1938-6-24 15220 Modoc on US Hwy 299 between Alturas and Canby 1341 Comment
  CAS-BOT-BC14920  Crepis bakeri subsp. cusickii K. Paulson; Robert Paulson 1988-6-11 31 Modoc N of Stough Reservoir, Warner Mts.. 2011 Comment
  CAS-BOT-BC14860  Crepis intermedia Bruce Bartholomew; Barrett Anderson 1988-6-25 4378 Modoc SW side of Jess Valley, Warner Mts.. 1540 Comment
  CAS-BOT-BC14880  Crepis modocensis subsp. subacaulis Bruce Bartholomew 1990-6-17 5353 Modoc 7.2 km N of Buck Creek Ranger Station, W side of Warner Mountains. 1950 Comment
  CAS-BOT-BC14856  Crepis occidentalis Annie Montague Alexander; Louise Kellogg 1946-6-28 4865 Modoc Mouth of Pine Creek Canyon, Warner Mountains 1524 Comment
  CAS-BOT-BC14894  Crepis occidentalis David Daniels Keck; J. Clausen 1935-6-24 3713 Modoc 3 mi. NE of Willow Ranch, northeastern Modoc County 1470 Comment
  SBBG8042  Crepis occidentalis H. and M. Dearing 1939-6-9 3639 Modoc N of Squaw Peak, Warner Mtns Comment
  CAS-BOT-BC14857  Crepis occidentalis Gordon H. True 1964-6-3 1460 Modoc North fork of Pitt River between Alturas and Goose Lake. 1463 Comment
  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
  CDA35638  Crepis occidentalis subsp. pumila J. R. Keck Jr., Pfeiffer 1985-6-6 PDR# 237690 Modoc On USFS Road 56, west of Lookout-Hackamore Road. 0 Comment
  RSA504618  Crepis occidentalis subsp. pumila Bruce Bartholomew, B. Anderson 1988-6-25 4384 Modoc 5.6 km NW of State Highway 299 on County Rd. 73. 1500 Comment
  CHSC107114  Crepis pleurocarpa Dale Woods; V. Popescu, B. Villegas 2010-6-30 Modoc Modoc National Forest, Kelly Springs Road; about 2 miles southeast of Hwy 299. Comment
  POM75457  Cressa truxillensis Mrs. R. M. Austin 1898-07 2192 Modoc Lake shore Comment
  CAS-BOT-BC14824  Crocidium multicaule Richard William Holm 1955-5-1 55 19 A Modoc 10 mi. from Alturas on road to Parker Creek. Comment
  CAS-BOT-BC218203  Croton setiger M. Vasey 1990-6-30 9036 Modoc 0.2 mi. from junction of Lava Camp Road and road to Egg Lake. 1300 Comment
  CDA36317  Crupina vulgaris CDFA Staff 1992-1 Modoc 0 Comment
  CHSC113086  Crypsis schoenoides Lowell Ahart; John Dittes 2013-7-24 18913 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
  JEPS114436  Crypsis vaginiflora Lowell Ahart, John Dittes 2008-8-26 15353 Modoc bottom of Rose Creek, 550 feet southwest of confluence of Rose Creek and Pit River, on the northwest side of unnamed road, northeast of wire gate, 2860 feet east of intersection with County Road 85a, 9.3 miles (air) north-northeast of Lookout 1276 Comment
  CAS-BOT-BC54135  Cryptantha ambigua Alice Eastwood; John Thomas Howell 1940-6-11 8028 Modoc 8 mi. from Canby on road to Alturas. Comment
  JEPS90284  Cryptantha ambigua Dean Wm. Taylor with Glenn L. Clifton 1989-8-4 10522 Modoc on road to Emerson Camp from Surprise Valley (Warner Mountains, Cole Creek, Emerson Creek drainage); Warner Mountains, Cole Creek 1554 Comment
  CAS-BOT-BC54103  Cryptantha intermedia Alice Eastwood; John Thomas Howell 1940-6-11 8031 Modoc 8 mi. from Canby on road to Alturas. Comment
  HSC75575  Cryptantha intermedia G. M. Riegel 1980-7-14 877 Modoc S Warner Mtns. 1739 Comment
  CAS-BOT-BC54115  Cryptantha simulans Alice Eastwood; John Thomas Howell 1940-6-13 8169 Modoc Cedarville. Comment
  RSA164361  Cryptantha simulans Clare B. Hardham 1961-6-19 7843 Modoc Willow Creek. 1524 Comment
  UC526166  Cryptantha simulans John Thomas Howell 1934-6-13 12043 Modoc Fandango Pass Warner Mts. 1828 Comment
  UC711886  Cryptantha torreyana Roxana S. Ferris and Laura Lorraine 1941-8-13 10530 Modoc Patterson Ranger Station, East Creek drainage Warner Mts., Modoc National Forest, East Creek 2164 Comment
  UC71863  Cryptantha torreyana Mrs. M. H. Manning 1903-6-8 160 Modoc Fort Bidwell, ne Modoc County Fort Bidwell Comment
  UC1348998  Cupressus bakeri C. O. Stone 1963-12-26 276 Modoc 1 mi s Gassaway Reservoir 1109 Comment
  JEPS39745  Cupressus bakeri P. Lorenzen Nov. 1903 Modoc near Day Comment
  JEPS47127  Cuscuta approximata Mary H. Manning before Aug 1918 Modoc Ft. Bidwell; Condan Ranch Comment
  CAS-BOT-BC95628  Cuscuta approximata Goss 1932-10-3 Modoc Modoc County. Comment
  CDA5585  Cuscuta approximata Goss 1932-10-3 Modoc 0 Comment
  POM182428  Cuscuta indecora Milo S. Baker 1899-8-16 249 Modoc Little Hot Spring Valley Comment
  CAS-BOT-BC245136  Cyperus squarrosus Louis Cutter Wheeler 1935-9-3 3938 Modoc McGinty Reservoir, Devil's Garden. 1463 Comment
  CAS-BOT-BC30211  Cystopteris fragilis Annie Montague Alexander; L. Kellogg 1946-7-23 5059 Modoc Emerson Peak, Warner Mts. Comment
  CAS-BOT-BC30212  Cystopteris fragilis Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16422 Modoc Near summit of Cedar Pass, between Alturas and Cedarville. 1958 Comment
  SBBG18746  Cystopteris fragilis C. B. Hardham 1961-6-19 7845 Modoc Willow Crk Comment
  UC42490  Cystopteris fragilis Geo. H. Boke 1890-1 Modoc Comment
  HSC533  Dactylis glomerata M. T. Milligan 1964-7-1 106 Modoc 6.0 mi. E of Canby on Modoc County Rd. 54 1372 Comment
  POM133080  Damasonium californicum Milo S. Baker s.n. Modoc Egg Lake. Comment
  RSA504602  Damasonium californicum Bruce Bartholomew, B. Anderson 1988-6-23 4272 Modoc 4 km W of Day on County road 94. 1340 Comment
  JEPS68523  Danthonia californica L. S. Smith 1917-7-19 119 Modoc Joseph Creek Warner Mts. 1981 Comment
  UCD61364  Danthonia unispicata A. A. Beetle 1941-6-29 2834 Modoc Near summit of Mt. Adin. 1828 Comment
  CHSC100460  Deinandra lobbii Lowell Ahart; John Dittes 2008-8-25 15328 Modoc On the east side County Road 91, 3.9 miles (air) north-northeast of Lookout. 1275 Comment
  CAS-BOT-BC217280  Delphinium Bruce Bartholomew 1994-5-29 6731 Modoc Lava fields N of Big Sand Butte. 1270 Comment
  UC912534  Delphinium andersonii F. H. Frost 47 Modoc halfway up Cedar Canyon; Meadow Stow <?> Ranch Comment
  HSC27051  Delphinium depauperatum D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19479 Modoc Upper Rush Creek Campground, about 8 mi. N of Adin on Hwy. 299 Comment
  UC9161  Delphinium depauperatum Mrs. R. M. Austin June 1894 Modoc Willow Creek Comment
  UC1126018  Delphinium nudicaule R. C. Wilson 1933-5-26 30 Modoc above Pothole Gulch (rocky ridge top); Modoc National Forest, Canby Quadrangle Comment
  CAS-BOT-BC217309  Delphinium nuttallianum C. L. Hitchcock 1940-5-27 6505 Modoc 15 mi. NE of Alturas. 1676 Comment
  CAS-BOT-BC217315  Delphinium nuttallianum Bruce Bartholomew; Barrett Anderson 1989-4-29 4687 Modoc Surprise Valley Road, just S of the Oregon border, extreme NE corner of Modoc County. 1630 Comment
  UC748094  Delphinium nuttallianum Annie M. Alexander and Louise Kellogg 1946-6-5 4667 Modoc s Eagleville (above road); Warner Mountains, Emerson Creek 1981 Comment
  RSA8256  Delphinium stachydeum Elmer I. Applegate 1932-8-1 s.n. Modoc West slope Warner Mountains, Mill Creek Meadows region. 2439 Comment
  CAS-BOT-BC242483  Deschampsia cespitosa subsp. cespitosa John H. Hatton 1911-6-22 144 Modoc Hoffman Ranch. 1615 Comment
  CAS-BOT-BC242479  Deschampsia danthonioides Roxana Stinchfield Ferris; R. Duthie 1919-6-14 167 Modoc Parker Creek at Modoc National Forest boundary. Comment
  JEPS118339  Deschampsia danthonioides Lowell Ahart, John Dittes 2011-6-22 17550 Modoc On the west side of the road, about 100 yards north of the Pilot Butte Parking Lot, north edge of Ash Creek Floodplain, 1.1 miles (air) south of County Road 87, 7.7 miles (air) west of Adin, 10 miles (air) east of Lookout, Big Valley 1264 Comment
  UC1024678  Deschampsia danthonioides Leo Whitney 1934-5-10 2170 Modoc dry lake near Timbered Mt. (Devil's Garden); n.e. Modoc Co., Modoc Nat'l Forest, Devil's Garden 1524 Comment
  UC1024843  Deschampsia danthonioides Leo Whitney 1935-6-9 3209 Modoc White Horse Comment
  UC188866  Deschampsia elongata Milo S. Baker 1900-8-25 Modoc Forestdale Comment
  CAS-BOT-BC58623  Descurainia incisa C. L. Hitchcock 1940-5-27 6713 Modoc 15 mi. NW of Alturas. 1676 Comment
  NY125969  Descurainia paradisa var. paradisa B. M. Bartholomew 1994-5-15 6693 Modoc East of Eagleville near the Eagleville Airport, Surprize Valley 1380 Comment
  JEPS53446  Descurainia sophia Frances D. Payne 1929-7-6 46 Modoc s and e of Alturas (Parker Creek); Warner Mountains, Parker Creek 1584 Comment
  UCD114793  Descurainia sophia Robbins; Raynor 1943-6-1 s.n. Modoc near Likely. Comment
  UC1133888  Dichelostemma capitatum R. C. Wilson 1933-6-7 42 Modoc Pothole Gulch Modoc National Forest, Canby Quad. 1310 Comment
  CAS-BOT-BC242113  Dichelostemma multiflorum Bruce Bartholomew; Barrett Anderson 1988-6-23 4281 Modoc 4.0 km W of Day on County Road 94. 1340 Comment
  SEINET7839014 Image available Dieteria canescens Mrs. M. H. Maning 1904-1 s.n. Modoc Alturas, North-eastern Modoc County Comment
  CAS-BOT-BC49470  Dieteria canescens var. shastensis Alice Eastwood; John Thomas Howell 1940-6-14 8248 Modoc Between Mammoth Cave and Lava Beds Nat. Mon. Comment
  UC73890  Dieteria canescens var. shastensis Milo S. Baker 1893-6 Modoc Comment
  CAS-BOT-BC14849  Dimeresia howellii Bruce Bartholomew 1991-5-24 5731 Modoc 2.9 km NE of road between Fort Bidwell and Fee Reservoir on road to Big Mud Lake. 1680 Comment
  JEPS30363  Dimeresia howellii Peter H. Raven 1962-5-29 17879 Modoc 3.4 mi e Cedar Pass (in canyon s of highway); Warner Mountains Comment
  CAS-BOT-BC229913  Diplacus cusickioides K. Paulson; Robert Paulson 1991-7-13 241 Modoc Granger Canyon, E side of Warner Warner Mountains. 1463 Comment
  CAS-BOT-BC234454  Diplacus nanus M. Vasey 1990-6-29 9016 Modoc Trail to summit above North Emerson Lake. South Warner Wilderness. 2651 Comment
  CAS-BOT-BC234483  Diplacus nanus James T. Vale 1978-7-18 s.n. Modoc Payne Springs Comment
  POM77104  Dodecatheon alpinum subsp. majus R. M. Austin 1895-09 448 Modoc Tamaracks Comment
  POM247531  Dodecatheon conjugens Leo D. Whitney 1935-5-19 3108 Modoc Edge of Hackamore River, near Hackamore. Comment
  UC22370  Dodecatheon conjugens Mrs. R. M. Austin May, 1894 Modoc Goose Lake Valley Comment
  UC444832  Dodecatheon conjugens Milo S. Baker 1893-1 Modoc Forestdale Comment
  UC71815  Dodecatheon conjugens Mrs. M. H. Manning 1903-4 85 Modoc Mt. Bidwell and vicinity Mt. Bidwell and vicinity (ne Modoc County) Comment
  CAS-BOT-BC218286  Dodecatheon conjugens var. conjugens K. Paulson; Robert Paulson 1989-5-21 117 Modoc Crowder Flat Road, Devil's Garden. 1341 Comment
  CAS-BOT-BC218274  Dodecatheon conjugens var. conjugens C. C. (Mrs.) Bruce 1898-6-1 2302 Modoc Lake City Mts. Comment
  CAS-BOT-BC95111  Downingia bacigalupii Bruce Bartholomew 1990-6-18 5375 Modoc 5.5 km N of Hwy 299 on Crowder Flat Rd. 1450 Comment
  CAS-BOT-BC95112  Downingia bacigalupii Leland S. Smith 1924-6-4 1368 Modoc S side of Egg Lake. Comment
  CAS-BOT-BC95114  Downingia bacigalupii Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-15 16515 Modoc 13 mi. W of Canby along State Hwy 139. Comment
  POM128307  Downingia bacigalupii Franklin P. Nutting s.n. Modoc Forestdale. Comment
  POM253177  Downingia bacigalupii A. A. Heller 1938-6-24 15229 Modoc Near Adin, along U.S. Hwy 299. 1280 Comment
  POM68163  Downingia bacigalupii Mrs. R. M. Austin 1895-07 119 Modoc Willow Creek (Devils Garden) Comment
  CAS-BOT-BC95131  Downingia bicornuta var. bicornuta Bruce Bartholomew 1991-7-5 5954 Modoc 0.8 km N of State Hwy 139 on Forest Service road 46. 1520 Comment
  CAS-BOT-BC95132  Downingia bicornuta var. bicornuta R. K. Gierisch; D. H. Esplin 1969-7-16 3547 Modoc Spaulding Reservoir. 1432 Comment
  CAS-BOT-BC95134  Downingia cuspidata Bruce Bartholomew 1993-6-12 6606 Modoc Flat between Egg Lake and Lookout just E of railroad track. 1260 Comment
  UC28979  Downingia cuspidata Milo S. Baker 1893-6-18 Modoc near Egg Lake shore; Egg Lake Comment
  SEINET8039562  Downingia insignis M. J. Williams 1984-1 84- 66 -1 Modoc 0.2 mile E of Highway 395 at Ravendale. 1524 Comment
  CHSC99271  Downingia laeta Lowell Ahart; John Dittes 2008-6-21 14984 Modoc In the drying pond, north of the large culvert, east of the large levee, in Big Valley, about 2.8 miles (air) north of the Headquarters at Ash Creek State Wildlife Area, about 5.4 miles (air) northeast of Bieber. Comment
  CAS-BOT-BC58300  Draba albertina Annie Montague Alexander; L. Kellogg 1946-8-3 5112 Modoc Head of Eagle Creek, Warner Mts. Comment
  HSC80857  Draba albertina G. M. Riegel 1980-8-9 1021 Modoc S Warner Mtns. 2183 Comment
  HSC80859  Draba albertina G. M. Riegel 1980-9-3 1130 Modoc S Warner Mtns. 2305 Comment
  UC1258361  Draba albertina Gregg Riegel 1980-8-13 1021 Modoc above lake (Pine Creek Basin, South Warner Mt. Wilderness); Modoc Natl For., South Warner Mt. Wilderness 2255 Comment
  UC748492  Draba albertina Annie M. Alexander and Louise Kellogg 1946-7-25 4823 Modoc n end Warner Mts (Dismal Swamp); n end Warner Mountains, Dismal Swamp 2255 Comment
  UC748106  Draba densifolia Annie M. Alexander and Louise Kellogg 1946-8-9 5142 Modoc slope of Squaw Peak Warner Mountains, slope of Squaw Peak (Patterson Lake trail) Comment
  CAS-BOT-BC58589  Draba verna K. Paulson; Robert Paulson 1991-5-25 221 Modoc W side of Goose Lake, ca. 1 mi. S of Log Landing. 1478 Comment
  CAS-BOT-BC58591  Draba verna Bruce Bartholomew 1993-4-5 6416 Modoc S side of Pit River on County Road 84, ca. 2 km E of County Road 85. 1340 Comment
  CAS-BOT-BC58592  Draba verna Bruce Bartholomew; Mona Bourell 1990-4-28 5200 Modoc SE corner of North Alkali Lake, Surprise Valley. 1350 Comment
  CAS-BOT-BC58594  Draba verna Bruce Bartholomew 1991-5-24 5730 Modoc 2.9 km NE of road between Fort Bidwell and Fee Reservoir on road to Big Mud Lake. 1680 Comment
  CAS-BOT-BC214763  Drymocallis glandulosa K. Paulson; Robert Paulson 1989-5-21 119 Modoc Near Fletcher Creek, Crowder Flat Road. 1341 Comment
  RSA520347  Drymocallis glandulosa var. glandulosa Bruce Bartholomew 1989-6-3 4868 Modoc Boles Creek about 5.5 km E of the SE corner of Clear Lake Reservoir. 436 Comment
  UC748059  Drymocallis lactea Annie M. Alexander and Louise Kellogg 1946-6-30 4876 Modoc Highgrade n end of Warner Mountains, Highgrade (w side of ridge, n end of Warner Mountains) 2377 Comment
  CAS-BOT-BC214756  Drymocallis lactea var. lactea Elmer Ivan Applegate 1932-8-1 8056 Modoc N slope of Warren Peak near summit, Warner Mts. 2743 Comment
  JEPS44162  Drymocallis pseudorupestris var. saxicola L. S. Smith 1918-8-17 1036 Modoc Eagle Peak ridge above Emerson; Modoc National Forest, Warner Mts. 2621 Comment
  UC1593358  Dryopteris expansa Alan Smith with Chris Richards, C. Don MacNeill, and Gary Hathaway 1992-6-5 2533 Modoc Fern Cave; Lava Beds Nat'l Monument 1280 Comment
Read comments May 30 2013
  CAS-BOT-BC95639  Elatine Robert Folger Thorne; C. W. Tilforth 1969-9-4 39055 Modoc 2 mi. W of Davis Creek. 1432 Comment
  RSA604673  Elatine brachysperma L. C. Wheeler 1935-8-23 3912 Modoc South Mt. Reservoir, Devil's Garden. 1677 Comment
  CHSC112777  Elatine rubella Lowell Ahart; John Dittes 2013-7-24 18919 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
  CHSC117370  Elatine rubella Lowell Ahart; John Dittes 2016-7-14 21169 Modoc New 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
  CHSC117565  Elatine rubella Lowell Ahart; John Dittes 2016-7-14 21211 -A Modoc The strand of a new pond, south of Ash Creek Canal (now filled in), south of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. 1273 Comment
  JEPS127157  Elatine rubella Lowell Ahart, John Dittes 2016-7-14 21169 Modoc South of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. Comment
  UC698625  Eleocharis quinqueflora Louis C. Wheeler 1935-8-15 3862 Modoc Dismal Swamp, Twenty Mile Creek Warner Mountains 2225 Comment
  CAS-BOT-BC245110  Elodea canadensis Bruce Bartholomew 1989-8-11 5054 Modoc Along W side of Goose Lake, 4.2 km N of McGinty Point on National Forest Road 48. 1430 Comment
  UC1025062  Elymus X macounii Leo Whitney 1935-7-21 3564 Modoc 15 mi w Canby; Modoc National Forest, Happy Camp 1463 Comment
  UC1024943  Elymus X saxicola Leo Whitney 1935-7-2 3328 Modoc ca 17 mi nw Canby; Badger Wells Comment
  SJSU2086  Elymus elymoides J. W. Tilden 1958-6-26 1272 Modoc near W side of Cedar Pass between Alturas & Cedarville, Warner Mts 1828 Comment
  CAS-BOT-BC247757  Elymus elymoides subsp. elymoides Elmer Ivan Applegate 1932-8-1 8017 Modoc Summit of Warren Peak. Comment
  CDA31715  Elymus elymoides subsp. elymoides T. C. Fuller 1963-7-16 10917 Modoc North side of Fandango Pass Rd., 1.0 miles east of Hwy. 395 to Willow Ranch 0 Comment
  CAS-BOT-BC247739  Elymus glaucus Bruce Bartholomew 1990-8-5 5682 Modoc Summit Trail, ca. 4 km N of Patterson Ranger Station, W side of Warner Mts. 2470 Comment
  HSC9710  Elymus glaucus M. T. Milligan 1966-6-28 475 Modoc East slope of volcanic plateau. 1677 Comment
  CAS-BOT-BC247730  Elymus multisetus Leland S. Smith 1917-7-11 97 Modoc Granger Mill Camp. 1828 Comment
  UCD62432  Elymus multisetus Robbins; Raynor 1943-6-1 Modoc Likely. Comment
  HSC8745  Elymus spicatus M. T. Milligan 1965-6-30 383 Modoc E of Jess Valley. 1707 Comment
  HSC9671  Elymus trachycaulus M. T. Milligan 1964-7-20 157 Modoc N end of Jess Valley, near Mill Creek. 1677 Comment
  UCD32709  Elymus trachycaulus Beecher Crampton 1954-7-7 2137 Modoc Modoc County, west side of Cedar Pass. Comment
  SEINET10963959  Elymus trachycaulus Louis C. Wheeler 1935-8-4 Wheeler 3780 Modoc Sunny gravelly flat. Dry Lake, Pine Creek. Warner Mts. T48N R15E S35. 2103 Comment
  UC1137123  Elymus trachycaulus August L. Hormay 1932-7-15 Modoc Weed Valley Comment
  CHSC99514  Elymus trachycaulus subsp. subsecundus Lowell Ahart; John Dittes 2008-6-21 15014 Modoc On the south side of the dirt road, uplands, in Big Valley, about 3.8 miles (air) northeast of the Headquarters at Ash Creek State Wildlife Area, about 6.5 miles (air) northeast of Bieber. 1264 Comment
  CAS-BOT-BC204298  Elymus trachycaulus subsp. trachycaulus Louis C. Wheeler 1935-8-4 3780 Modoc Modoc National Forest. Pine Creek, Warner Mts. 2103 Comment
  SJSU9661  Elymus trachycaulus subsp. trachycaulus W. Savage 1979-7-9 1499 Modoc Round Valley, Triangle, Devils Garden District, Modoc National Forest 1493 Comment
  UCD62630  Elymus trachycaulus subsp. trachycaulus L. Whitney 1935-7-1 3375 Modoc Hackamore River, Hackamore ca. 15 miles northwest of Canby, Modoc National Forest. 1463 Comment
  CHSC115775  Elymus triticoides Lowell Ahart; John Dittes 2015-7-17 20400 Modoc About 60 yards north of Ash Creek, Ash Creek State Wildlife Area, about 3/4 mile south County Road B7, about 2.7 miles (air) west of Adin, about 9.1 miles (air) northeast of Bieber. 1279 Comment
  CHSC85415  Elytrigia intermedia John Dittes; Josephine Guardino 1991-7-21 437 Modoc Modoc Plateau; Big Valley; Ash Creek Wildlife Area; ca. 5.7 air-miles northeast of Bieber, ca. 7.6 air-miles west of Adin, ca. 1.5 air-mile southeast of Pilot Butte summit, meadow at northern edge of Ash Creek Floodplain (Big Swamp) at southeast base of Pilot Butte. 1258 Comment
  CAS-BOT-BC217289  Enemion stipitatum Bruce Bartholomew 1995-5-12 6898 Modoc NE side of Day Rock above Little Hot Spring Valley. 1310 Comment
  CAS-BOT-BC191017  Epilobium brachycarpum Bruce Bartholomew 1989-7-15 4998 Modoc Sweagert Flat. 1860 Comment
  CAS-BOT-BC191027  Epilobium brachycarpum Verne Grant; I. Schneider 1947-8-27 8308 Modoc 10 mi. S of Tule Lake. Comment
  CAS-BOT-BC191031  Epilobium brachycarpum John Thomas Howell 1934-7-1 12331 Modoc Duncan Horse Camp. 1355 Comment
  CHSC109517  Epilobium brachycarpum L. P. Janeway; B. Castro 2012-7-25 10995 Modoc Warner Mountains. Along Twelve Mile Creek 3.5 air mi east-southeast of Dismal Swamp and 2.7 air km norhteast of Mount Bidwell. 2182 Comment
  JEPS121198  Epilobium brachycarpum Lowell Ahart, John Dittes 2013-7-25 18961 Modoc 30 yards N of the E-W fence, S edge of Ash Creek floodplain, NE of Patterson Homestead, E of Elkins Lane, 1.0 air mile S of County Road 87, 3.14 air miles W of Adin, Big Valley. Comment
  RSA462344  Epilobium brachycarpum Harlan Lewis, M. Lewis 1958-8-10 1227 Modoc U.S. Highway 395, Goose Lake Valley Comment
  RSA0037172  Epilobium campestre Lowell A. Ahart, John Dittes 2012-7-11 18331 Modoc North edge of the meadow, about 1/8 mile east of the parking area on the east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  UC1191619  Epilobium campestre Verne Grant and Irving Schneider 1947-7-18 8049 Modoc 5 mi n Bayley's Bridge (s of Alturas); Eastside Canal Comment
  UCD105945  Epilobium campestre Robert F. Thorne; J. Henrickson, C. W. Tilforth 1969-9-4 39122 Modoc N Fork of Pit River, 3.4 miles N of Alturas where crossed by Highway 395. 1341 Comment
  CHSC116097  Epilobium ciliatum subsp. ciliatum Lowell Ahart; John Dittes 2015-7-16 20368 Modoc North edge of Ash Creek (destroyed), southeast of the gravel pit (destroyed), about 1/8 mile east of the parking area on the east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  CAS-BOT-BC190981  Epilobium ciliatum subsp. glandulosum Leland S. Smith 1917-8-3 148 Modoc South Fork Davis Creek. 2133 Comment
  HSC16326  Epilobium ciliatum subsp. glandulosum M. T. Milligan 1964-7-25 168 Modoc Pine Creek Basin, along trail. 2439 Comment
  JEPS39326  Epilobium clavatum W. L. Jepson 1918-8-13 7979 Modoc Eagle Peak Warner Mts. 3017 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
  JEPS89960  Epilobium densiflorum Dean Wm. Taylor with Glenn L. Clifton 1989-8-6 10489 Modoc bed of Snake Lake Warner Mts., Snake Lake 1569 Comment
  NY1000352  Epilobium hallianum B. M. Bartholomew 1992-8-7 6360 Modoc Meadow 2.3 km west of West Warner Road at Soup Creek, west side of Warner Mountains 524 Comment
  POM37841  Epilobium hallianum R. M. Austin 1895-07 510 Modoc Goose Lake Valley. Comment
  RSA41235  Epilobium hallianum A. M. Alexander, Louise Kellogg 1946-6-30 4873 Modoc Highgrade, west side of ridge, north end of Warner Mountains 2378 Comment
  CAS-BOT-BC190957  Epilobium hornemannii subsp. hornemannii Bruce Bartholomew 1994-7-2 6820 Modoc Mill Creek NE of Bald Mtn., E side of Warner Mountains. 2040 Comment
  RSA27905  Epilobium hornemannii subsp. hornemannii C. L. Hitchcock 1940-5-27 6710 Modoc 15 miles northeast of Alturas. 1616 Comment
  NY1000434  Epilobium hornemannii var. hornemannii B. M. Bartholomew 1991-8-5 6035 Modoc Squaw Peak Trail on north side of Squaw Peak, east side of Warner Mountains 2420 Comment
  NY1000490  Epilobium obcordatum B. M. Bartholomew 1995-7-31 7080 Modoc 2.4 km from Forest Service road 46N30 on road towards Bald Mountain, east side of the Warner Mountains 2150 Comment
  UC190619  Epilobium obcordatum M. F. Gilman 508 Modoc mts. 2133 Comment
  UC748354  Epilobium obcordatum Annie M. Alexander and Louise Kellogg 1946-7-23 5050 Modoc Emerson Peak Warner Mountains (below cliff, ne) Comment
  CAS-BOT-BC190930  Epilobium pallidum Bruce Bartholomew 1991-7-6 5988 Modoc Sand Flat on Loveness Logging Road. 1370 Comment
  CAS-BOT-BC190939  Epilobium pallidum Herbert Louis Mason; Verne Grant 1947-7-13 13441 Modoc Joseph Creek on Hwy 395. Comment
  JEPS38214  Epilobium pallidum Frances D. Payne 1933-8-5 767 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  CAS-BOT-BC190869  Epilobium pygmaeum Bruce Bartholomew 1990-8-3 5608 Modoc Ash Creek Wildlife Refuge, ca. 2.5 km S of County Road 87 and 7 km W of Adin. 1250 Comment
  CAS-BOT-BC190870  Epilobium pygmaeum Bruce Bartholomew 1990-8-3 5618 Modoc Bear Flat, W side of Warner Mts. 1830 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
  HSC861  Equisetum laevigatum M. T. Milligan 1964-7-1 104 Modoc Rattlesnake Butte Rd. at Pit River. 1372 Comment
  JEPS123858  Equisetum laevigatum Lowell Ahart, John Dittes 2015-7-16 20393 Modoc Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. Comment
  HSC16005  Eremalche parryi M. T. Milligan 1964-6-6 8 Modoc N side of Dorris Reservoir along shore 1372 Comment
  CAS-BOT-BC95484  Eremogone aculeata Leland S. Smith 1917-6-10 33 Modoc Jess Valley. 1524 Comment
  CAS-BOT-BC95490  Eremogone aculeata Elmer Ivan Applegate 1932-7-9 7569 Modoc N slope of Bidwell Mountain. Comment
  CAS-BOT-BC95441  Eremogone congesta Barrett Anderson 1986-7-10 3206 Modoc West Warner Rd. along Bear Flat. 1845 Comment
  CAS-BOT-BC95442  Eremogone congesta Bruce Bartholomew 1991-5-25 5760 Modoc N side of the Pit River, ca. 1 km W of Ostrom Point. 1320 Comment
  CAS-BOT-BC95444  Eremogone congesta Bruce Bartholomew 1991-6-21 5797 Modoc 1.6 km S of Davis Creek on U.S. Hwy 395. 1450 Comment
  CAS-BOT-BC95464  Eremogone congesta John Thomas Howell 1934-6-30 12288 Modoc Duncan Horse Camp. 1355 Comment
  CAS-BOT-BC95453  Eremogone congesta Elmer Ivan Applegate 1897-6-5 865 Modoc N of Alturas Comment
  RSA0057715  Eremogone congesta F. W. Peirson 1926-6-26 6908 Modoc Modoc National Forest NW of Canby. Comment
  RSA0057648  Eremogone congesta var. suffrutescens Clare B. Hardham 1961-6-17 7531 Modoc Lava flows between Alturas and Susanville. 1524 Comment
  RSA78894  Ericameria bloomeri E. K. Balls, Percy C. Everett 1952-10-11 18160 Modoc 15.7 miles NW of jct. of Hwys 299 and 139, along Hwy. 139, between Alturas and Klamath Falls 1402 Comment
  CAS-BOT-BC14821  Ericameria greenei Louis Cutter Wheeler 1935-8-14 3854 Modoc Lily Lake, Warner Mountains 2133 Comment
  CAS-BOT-BC14822  Ericameria greenei Bruce Bartholomew 1990-8-4 5628 Modoc Slope on N side of Pine Creek Basin on trail to Patterson Lake, W side of Warner Mts. 2610 Comment
  SJSU9682  Ericameria nauseosa var. leiosperma W. Savage 1979-8-22 1575 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest. T 44N, R 10E, NE 1/4 of NW 1/4 Sec. 24 1493 Comment
  UC195494  Ericameria nauseosa var. oreophila Franklin P. Nutting Modoc near Lookout; Big Valley Comment
  UC195526  Ericameria nauseosa var. speciosa B. C. Goldsmith 1910-1-1 Modoc Alturas 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-BC42837  Erigeron austiniae John Thomas Howell 1934-6-11 11936 Modoc Parker Creek, Warner Mountains 1584 Comment
  POM260053  Erigeron bloomeri var. bloomeri C. L. Hitchcock 1940-5-27 6669 Modoc 15 miles NE of Alturas. 1616 Comment
  SJSU6620  Erigeron bloomeri var. bloomeri H. L. Buckalew 1961-6-27 Modoc near Stowe Reservoir about 2 miles N of Cedar Pass on Alturas-Cedarville Road 2072 Comment
  UC31425  Erigeron bloomeri var. bloomeri M. S. Baker and Frank Nutting 1894-6-25 Modoc near Egg Lake Comment
  UC1035995  Erigeron bloomeri var. bloomeri Helen K. Sharsmith 1955-6-23 4494 Modoc 6.7 mi e Cedar Campground (just s of State Hwy 29); Modoc National Forest, Warner Mountains 1859 Comment
  HSC5554  Erigeron chrysopsidis var. austinae R. C. Wunner 1965-7-1 325 Modoc Top of Gillems Bluff above NW ranger residence. California Lava Beds National Monument 1372 Comment
  CHSC66995  Erigeron chrysopsidis var. austiniae James D. Jokerst 1987-5-13 2861 Modoc Radar Survey Site S of Doublehead Mtn., S of Clear Lake Reservoir, S end of northern sector. 1371 Comment
  SEINET5512261  Erigeron chrysopsidis var. austiniae J. C. Beatley 1964-1 Modoc Tule Lake area NTS Herbarium coll. Drainage area: Tule Lake 1829 Comment
  UC748389  Erigeron compositus Annie M. Alexander and Louise Kellogg 1946-8-1 5103 Modoc crest of divide Eagle Peak 3019 Comment
  CAS-BOT-BC42817  Erigeron coulteri Barrett Anderson 1986-7-10 3201 Modoc West Warner Rd at the North Fork of Pine Creek, Warner Mountains 1935 Comment
  HSC5503  Erigeron coulteri M. T. Milligan 1964-7-25 184 Modoc Pine Creek Basin, along trail. 2439 Comment
  UC195007  Erigeron coulteri W. P. Taylor and H. C. Bryant 1910-7-13 Modoc head, in mountain meadow N. Fork Parker Cr.; Warner Mountains, N. Fork Parker Cr. 2225 Comment
  CAS-BOT-BC42825  Erigeron divergens Barrett Anderson 1986-7-9 3160 Modoc County Rd 195 just E of Cedar Pass, Warner Mountains 1785 Comment
  CDA19673  Erigeron divergens G. D. Barbe 1991-8-28 4446 Modoc Modoc Plateau; Modoc National Forest. Kelley Spring site, n of Adin. 3.4 mi from Hwy 299 at Rush Creek, on Primary Forest Service Rd 22 and Rd 40N33. 1645 Comment
  CDA4930  Erigeron divergens T. C. Fuller 1965-6-2 13599 Modoc West side of Dorris Reservoir, 2 miles east of Alturas. 0 Comment
  SEINET8667232 Image available Erigeron eatonii var. plantagineus M. J. Williams 1983-7-29 83- 116 -1 Modoc 1.1 miles North of Stowe Reservoir Campground North of Cedar Pass Warner Mountains. 2088 Comment
  CAS-BOT-BC42770  Erigeron elegantulus Bruce Bartholomew 1991-6-20 5778 Modoc 9.8 km E of junction of county roads 87 and 90. 1250 Comment
  CAS-BOT-BC49629  Erigeron filifolius Alice Eastwood; John Thomas Howell 1940-6-14 8243 Modoc Between Mammoth Cave and Lava Beds Nat. Mon. Comment
  JEPS89679  Erigeron filifolius Dean Wm. Taylor with Glenn Clifton 1990-6-12 10889 Modoc near (site) Battle of Dry Lake (0.5 mi nw along right-of-way Pacific Gas Pipeline); Modoc Plateau 1280 Comment
  CAS-BOT-BC376189  Erigeron filifolius var. filifolius Andrew Townesmith; Karen M. Meyer 2007-9-15 933 Modoc Modoc National Forest, Warner Mountain Ranger District. Cedar Creek Upper Trailhead, 0.6 miles off state route 299 on Forest Service road 195 1948 Comment
  CAS-BOT-BC49618  Erigeron glacialis var. glacialis Annie Montague Alexander; L. Kellogg 1946-7-19 5029 Modoc Benton Meadow, Warner Mountains 2072 Comment
  HSC81105  Erigeron glacialis var. glacialis G. M. Riegel 1980-8-6 994 Modoc S Warner Mtns. 2100 Comment
  JEPS86332  Erigeron glacialis var. glacialis Jack and Betty Guggolz 1988-7-4 978 Modoc North Star Basin Comment
  JEPS41396  Erigeron glacialis var. glacialis L. S. Smith 1918-6-22 944 Modoc High Grade District, in meadow of Lily Lake Modoc Forest, Lily Lake, High Grade District 2133 Comment
  SEINET8667553 Image available Erigeron inornatus M. J. Williams 1983-9-13 83- 151 -3 Modoc along side of road from Alturas to Cedarville, 3.8 mi W of Cedar Pass, 6.7 mi from junction of Hwy 299 and Cedarville road 1554 Comment
  CAS-BOT-BC49638  Erigeron inornatus var. inornatus Bruce Bartholomew; Barrett Anderson 1990-7-21 5564 Modoc N Barber Creek, road from Surprise Valley to Patterson Ranger Station, E side of Warner Mts. 1710 Comment
  HSC67879  Erigeron inornatus var. inornatus J. P. Smith, J. O. Sawyer 1973-8-8 7250 Modoc 1.5 mi. N of Patterson Guard Station on Summit Trail, S Warner Wilderness 2439 Comment
  UC71824  Erigeron inornatus var. inornatus Mrs. M. H. Manning 1902-10-11 39 Modoc Warner Mts. 1828 Comment
  CAS-BOT-BC49604  Erigeron linearis R. M. Austin; C. C. (Mrs.) Bruce 1898-7-1 2187 Modoc Modoc County. Comment
  CAS-BOT-BC49641  Erigeron linearis Alice Eastwood; John Thomas Howell 1940-6-12 8083 Modoc Jess Valley. Comment
  CAS-BOT-BC49642  Erigeron linearis M. M. Hanna 1956-6-4 945 Modoc Cedar Pass, lava mesa along highway to Cedarville. Comment
  CAS-BOT-BC49644  Erigeron linearis M. M. Hanna 1956-6-7 Modoc Highway 139, between Canby and Tienesta. Comment
  RSA93193  Erigeron linearis J. T. Howell 1934-6-30 12252 Modoc Duncan Horse Camp. Comment
  CAS-BOT-BC49583  Erigeron philadelphicus C. C. (Mrs.) Bruce 1899-8-1 s.n. Modoc Goose Lake. Comment
  CHSC118299  Erigeron pumilus var. intermedius L. P. Janeway 2016-5-18 12057 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
  UC71828  Erigeron pumilus var. intermedius Mrs. M. H. Manning Jun 1 1904-Jul 1 1904 468 Modoc slope above Alkali Lake; ne Modoc County Comment
  CAS-BOT-BC497225  Eriogonum caespitosum Margaret J. Williams 1988-5-30 88- 26 -8 Modoc Jess Valley, E of Likely, S of roadside rest. 1524 Comment
  SEINET5328663  Eriogonum caespitosum M. J. Williams 1988-5-30 88- 26 -8 Modoc Jess Valley, E of Likely, S of roadside rest. 1524 Comment
  CAS-BOT-BC197822  Eriogonum elatum Bruce Bartholomew; Barrett Anderson 1990-7-20 5472 Modoc 10.3 km N of Buck Creek Ranger Station, crest of Warner Mountains W side of Warner Mts. 2130 Comment
  CAS-BOT-BC197824  Eriogonum elatum Leland S. Smith 1924-6-29 1444 Modoc Happy Camp Ranger Station. Comment
  UC634522  Eriogonum elatum F. H. Frost 1925-7-12 Modoc Stow's Meadow - Cedar Canyon Warner Mts., Cedar Canyon Comment
  CAS-BOT-BC197807  Eriogonum heracleoides var. heracleoides Robert Patterson; Mona Bourell 1993-8-14 5228 Modoc Patterson Lake. South Warner Wilderness Area. Warner Mountains. 2743 Comment
  CAS-BOT-BC197812  Eriogonum heracleoides var. heracleoides Annie Montague Alexander; L. Kellogg 1946-7-14 5070 Modoc Emerson Peak, Horse Mountain, Warner Mts. Comment
  CAS-BOT-BC197814  Eriogonum heracleoides var. heracleoides Annie Montague Alexander; L. Kellogg 1946-7-11 4967 Modoc Eight Mile Creek, northeast corner of county. 1752 Comment
  SEINET208631  Eriogonum heracleoides var. heracleoides W. L. Jepson 1918-8-13 7965 Modoc Eagle Peak, Warner Mts. 3018 Comment
  CAS-BOT-BC197799  Eriogonum microthecum var. ambiguum Bruce Bartholomew 1992-8-9 6388 Modoc Squaw Peak Trail between Patterson Lake and Owl Creek Trail, E side of Warner Mountains. 2440 Comment
  CAS-BOT-BC498762  Eriogonum nudum L. S. Smith no date on label; likely 1924 1431 Modoc Modoc Forest Comment
  CAS-BOT-BC211404  Eriogonum nudum var. pubiflorum Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16640 Modoc 4 mi. E of Summit of Cedar Pass road. Comment
  CAS-BOT-BC211417  Eriogonum nudum var. pubiflorum Robert J. Weatherby 1955-7-8 1637 Modoc 3 miles N of Ft. Bidwell, northern Warner Mts. 1554 Comment
  CAS-BOT-BC211447  Eriogonum nudum var. pubiflorum Clare Butterworth Hardham 1961-6-18 7553 Modoc E of Cedar Pass. 1828 Comment
  CHSC113993  Eriogonum nudum var. pubiflorum L. P. Janeway 2014-7-7 11440 Modoc Warner Mountains. East side of crest of Warner Mountains 2.3 air-km east of Cedar Pass; along Road 43N07 1.4 road-km east of Stough Reservoir. 2000 Comment
  CHSC114006  Eriogonum nudum var. pubiflorum L. P. Janeway 2014-7-8 11463 Modoc Modoc Plateau. East corner of Dry Creek Rim; along Road 47N08 (Corral Creek Road) 3.1 road-km north-northwest of Road 48 (along the west edge of Goose Lake). 1650 Comment
  JEPS56618  Eriogonum nudum var. pubiflorum W. L. Jepson 1918-8-6 7845 Modoc Surprise Valley 1447 Comment
  RSA165444  Eriogonum nudum var. pubiflorum Clare B. Hardham 1961-6-19 7842 Modoc Willow Creek. Comment
  RSA216054  Eriogonum nudum var. pubiflorum J. L. Gentry Jr., Earl Jensen Jr. 1968-7-4 2114 Modoc 3.9 miles west of Highway junction California 139 and California 299, on California 299 at Pit River. 1341 Comment
  SEINET11261578  Eriogonum nudum var. pubiflorum Richard R. Halse 2004-7-22 6671 Modoc Along U.S. Hwy 395, ca 6 miles north of Alturus.; 0 1341 Comment
  CAS-BOT-BC211402  Eriogonum nudum var. pubiflorum Frederick H. Frost 1925-7-13 71 Modoc Roadside S of Cedarville, Warner Mts. 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
  SBBG101262  Eriogonum nudum var. pubiflorum R. R. Halse 1991-7-28 4244 Modoc St Hwy 139, 13 mi NW of its jct with St Hwy 299 1469 Comment
  SEINET5330949  Eriogonum nudum var. pubiflorum M. S. Baker Unknown s.n. Modoc No data. Comment
  UCD100705  Eriogonum nudum var. pubiflorum Richard R. Halse 1991-7-28 4244 Modoc along State Hwy. 139, 13 miles NW of its junction with State Hwy 299. 1469 Comment
  CAS-BOT-BC218196  Eriogonum prociduum Francis Dorris Payne 1931-6-29 280 Modoc Trail from Granger Pass to Mt. Warren, Warner Mts. 2438 Comment
  HSC75590  Eriogonum spergulinum var. reddingianum G. M. Riegel 1980-8-6 1000 Modoc South Warner Mtns. 1670 Comment
  NY283083  Eriogonum spergulinum var. reddingianum B. M. Bartholomew 1991-8-5 6026 Modoc Summit trail between Pepperdine and Squaw Peak, W side of Warner Mts. 2190 Comment
  RSA26444  Eriogonum sphaerocephalum J. T. Howell 1940-6-11 8014 Modoc 6 mi. N.E. of Adin on road to Candy, Modoc Co. 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-BC211387  Eriogonum sphaerocephalum var. halimioides Roxana Stinchfield Ferris; R. Duthie 1919-6-14 134 Modoc Above Parker Creek. Modoc National Forest Comment
  CAS-BOT-BC211395  Eriogonum sphaerocephalum var. halimioides Annie Montague Alexander; L. Kellogg 1946-8-8 5124 Modoc Patterson Lake Trail, Warner Mts. Comment
  JEPS19753  Eriogonum sphaerocephalum var. halimioides Rimo Bacigalupi with S. Galen Smith 1957-6-28 5987 Modoc about 2 mi e S.P. railroad crossing near Canby 1310 Comment
  RSA165619  Eriogonum sphaerocephalum var. halimioides Clare B. Hardham 1961-6-18 7550 Modoc 3 miles east of Cedar Pass. 1829 Comment
  UC711867  Eriogonum sphaerocephalum var. halimioides Roxana S. Ferris and Laura Lorraine 1941-8-14 10594 Modoc 3 mi on the road to Eagleville Patterson Ranger Station; Warner Mountains, Modoc National Forest Comment
  HSC26579  Eriogonum strictum var. anserinum D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19368 Modoc Along the S Fork of the Pit River, ~6 mi. E of Likely. Comment
  SEINET5331677  Eriogonum strictum var. proliferum M. J. Williams 1988-5-30 88- 26 -9 Modoc Jess Valley, E of Likely, S of roadside rest. 1524 Comment
  CAS-BOT-BC211368  Eriogonum umbellatum Bruce Bartholomew 1991-8-5 6050 Modoc Summit Trail between Squaw Peak and Cottenwood Lake, crest of the Warner Mts. 2470 Comment
  CAS-BOT-BC211329  Eriogonum umbellatum var. dichrocephalum Louis Cutter Wheeler 1935-8-14 3843 Modoc Pine Creek, Warner Mts. 2011 Comment
  JEPS56238  Eriogonum umbellatum var. dichrocephalum W. L. Jepson 1918-8-13 7696 Modoc summit, Eagle Peak Warner Mts., Eagle Peak 3017 Comment
  CHSC67125  Eriogonum umbellatum var. modocense James D. Jokerst 1987-5-11 2829 Modoc Radar Survey Site S of Doublehead Mtn., S of Clear lake Reservoir. 1363 Comment
  UC1395160  Eriogonum umbellatum var. modocense James L. Reveal 1971-6-22 2461 Modoc along U.S. Highway 395 at Davis Creek Davis Creek 1453 Comment
  UC71799  Eriogonum umbellatum var. modocense Mrs. M. H. Manning June 1903 155 Modoc Mt. Bidwell 1676 Comment
  UCR55660  Eriogonum umbellatum var. modocense G. R. Ballmer 1988-7-21 s.n. Modoc Warner Mtns., Warner Mountains, Bidwell Mountain, c. 3 mi. south of Oregon border in extreme NE corner of state Comment
  UC190600  Eriogonum umbellatum var. modocense M. F. Gilman 573 Modoc 1676 Comment
  CAS-BOT-BC197784  Eriogonum umbellatum var. nevadense Elmer Ivan Applegate 1932-7-9 7599 Modoc Bidwell Mountain, Warner Mts. Comment
  CAS-BOT-BC197790  Eriogonum umbellatum var. nevadense J. L. Reveal; Darin Scott Reveal 1978-8-11 4822 Modoc Warner Mts, Dismal Swamp, ca. 2 mi. N of Modoc Co. Rd. 2, at NW end of Dismal Swamp S of Dismal Creek. 2225 Comment
  UC412839  Eriogonum umbellatum var. nevadense Milo S. Baker Modoc near Egg Lake Comment
  CAS-BOT-BC197612  Eriogonum umbellatum var. polyanthum Elmer Ivan Applegate 1932-8-1 8026 Modoc Warner Mts. just S of Warren Peak. Comment
  CAS-BOT-BC197614  Eriogonum umbellatum var. polyanthum Francis Dorris Payne 1929-7-26 105 A Modoc Flat between Pine Creek and Shields Creek, Warner Mts. 1981 Comment
  CAS-BOT-BC197622  Eriogonum umbellatum var. polyanthum Alice Eastwood; John Thomas Howell 1940-6-13 8142 Modoc Fandango Pass. Comment
  CAS-BOT-BC197624  Eriogonum umbellatum var. polyanthum Bruce Bartholomew 1990-6-17 5358 Modoc 11.3 km N of Buck Creek Ranger Station, a crest of the Warner Mountains. 2130 Comment
  CAS-BOT-BC197782  Eriogonum umbellatum var. polyanthum M. M. Hanna 1956-6-3 s.n. Modoc Highway 299. Comment
  HSC80996  Eriogonum umbellatum var. polyanthum G. M. Riegel 1979-7-15 563 Modoc S Warner Mtns. 1739 Comment
  SJSU9133  Eriogonum umbellatum var. polyanthum H. L. Buckalew 1961-6-27 Modoc near Stough (""Stowe"") Reservoir c. 2 mi N of Cedar Pass on Alturas-Cedarville Rd, Warner Mts 2072 Comment
  NY399297  Eriogonum umbellatum var. torreyanum L. C. Wheeler 1935-8-3 3773 Modoc Pine Creek 1950.7 Comment
  CAS-BOT-BC197588  Eriogonum vimineum Bruce Bartholomew; Barrett Anderson 1990-7-21 5563 Modoc N Barber Creek, road from Surprise Valley to Patterson Ranger Station, E side of Warner Mts. 1710 Comment
  CAS-BOT-BC197591  Eriogonum vimineum Clare Butterworth Hardham 7836 Modoc Davis Creek. 1676 Comment
  NY399608  Eriogonum vimineum B. Anderson 1986-7-9 3162 Modoc Warner Mountains. County road 195 just east of Cedar Pass 1785 Comment
  RSA534708  Eriogonum vimineum Bruce Bartholomew 1991-6-22 5856 Modoc NE side of Surprise Valley on roas to Fee Reservoir, 6.4 km. E of Fort Bidwell. Rocky sry slopes 1490 Comment
  UC295933  Eriogonum vimineum H. M. Hall 1925-8-30 12210 Modoc 30 mi from Lakeview (e side of Goose Lake); Goose Lake Comment
  CAS-BOT-BC49552  Eriophyllum lanatum Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16372 Modoc Junction of Cedar Pass road and Hwy 299, 5.5 mi. N of Alturas Comment
  CAS-BOT-BC49563  Eriophyllum lanatum John Thomas Howell 1934-6-13 12103 Modoc North fork of Barber Creek, Warner Mountains 1828 Comment
  CAS-BOT-BC49596  Eriophyllum lanatum Alice Eastwood; John Thomas Howell 1940-6-13 8112 Modoc Surprise Valley. Comment
  CAS-BOT-BC49597  Eriophyllum lanatum Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10512 Modoc Patterson Ranger Station (East Creek drainage), Modoc N.F., Warner Mtns. 2164 Comment
  JEPS34631  Eriophyllum lanatum var. achilleoides N. T. Mirov 1929-6-16 Modoc Buck Creek Ranger Station e of Goose Lake (on Fandango Valley road); Warner Mountains 1554 Comment
  UC614627  Eriophyllum lanatum var. achilleoides L. Constance 1938-6-12 2334 Modoc 12.8 mi ne of Alturas (plateau near foot of Banner Grade, Cedar Pass road, w foothills of Warner Range); Warner Range, Cedar Pass road, Banner Grade Comment
  UC619264  Eriophyllum lanatum var. achilleoides Joseph and Hilda Grinnell 1938-7-16 1112 a Modoc Cedar Pass summit Warner Mountains, Cedar Pass summit 1935 Comment
  HSC5603  Eriophyllum lanatum var. integrifolium M. T. Milligan 1965-6-30 380 Modoc E of Jess Valley 1677 Comment
  JEPS86329  Eriophyllum lanatum var. integrifolium Jack and Betty Guggolz 1988-6-29 962 Modoc slope to the n of Jenkins Spring Comment
  CAS-BOT-BC180085  Erodium cicutarium Bruce Bartholomew; Mona Bourell 1990-4-26 5150 Modoc 0.5 km S of Day. 1100 Comment
  POM88757  Erodium cicutarium Mrs. R. M. Austin 1895-06 s.n. Modoc Goose Lake Valley. Comment
  JEPS94841  Eryngium articulatum Vernon H. Oswald and Lowell Ahart 1998-9-8 9589 Modoc County Road 93 adjacent to the Rail Road at Lookout Junction nw of Lookout; County Road 93 1280 Comment
  SFV18056  Eryngium articulatum J. A. Matos, D. C. Rudolph 1999-8-7 s. n. Modoc Pothole Creek near Pothole Spring. Near crossing of Clear Lake Road. 1470 Comment
  UC809837  Eryngium articulatum G. L. Stebbins Jr. with P. Dansereau, C. McMillan, and K. Narayan 1949-8-7 4012 Modoc 35 mi. s. Tule Lake (Mud Lake); Mud Lake 1524 Comment
  SEINET10693724 Image available Eryngium articulatum Milo S. Baker 1899-8-12 Baker s.n. Modoc Egg Lake. Comment
  CHSC67324  Eryngium mathiasiae James D. Jokerst 1986-8-10 2753 Modoc Radar Site Survey S of Doublehead Mtn., Rimrock Lake. 1341 Comment
  RSA0089587  Eryngium mathiasiae Dean Wm. Taylor, Glenn L. Clifton 1988-8-11 10042 Modoc Near Lone Pine Lake. 1383 Comment
  UC1487310  Eryngium mathiasiae Gregg Riegel 1981-6-10 Modoc N of Canby (along Loveness Road around reservoir) 1524 Comment
  UC1510465  Eryngium mathiasiae Phil Leitner and Barbara Malloch 1983-7-17 Modoc w. of midsection line rd. Modoc Nat'l Forest Comment
  UC1487337  Eryngium mathiasiae Yusuf Sheikh and Lincoln Constance 1973-6-27 552 Modoc s. Lower Roberts Reservoir (at n.w. edge of Lookout, on Old Camp 2 Rd. toward White Horse) Comment
  UC10537  Erysimum capitatum Milo S. Baker 1893-6 Modoc Comment
  HSC6790  Erysimum capitatum var. purshii M. T. Milligan 1964-7-1 129 Modoc 6 mi. N of Hwy. 139 on USFS Rd. 44N15 1524 Comment
  CAS-BOT-BC54941  Erysimum perenne Mrs. H. C. Cantelow 1935-6-8 874 Modoc Northeast of Bieber. Comment
  CAS-BOT-BC58340  Erysimum repandum E. S. Willits 1940-5-17 271 Modoc Willow Ranch. Comment
  UCD115020  Erysimum repandum R. N. Raynor; E. Berry 1940-4-12 s.n. Modoc Corporation Ranch, Likely. Comment
  CAS-BOT-BC229901  Erythranthe breviflora Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-10 6470 Modoc 1.6 km NE of Fee Reservoir Road on Barrel Spring Road, N end of Surprise Valley. 1600 Comment
  CAS-BOT-BC234509  Erythranthe guttata Bruce Bartholomew; Barrett Anderson 1988-7-21 4465 Modoc Vicinity of Patterson Campground, southern end of the Warner Mts. 2190 Comment
  CAS-BOT-BC229923  Erythranthe guttata John H. Hatton 1911-5-13 75 Modoc Modoc County. 1463 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-BC234515  Erythranthe microphylla Bruce Bartholomew 1991-7-4 5921 Modoc Miller Flat. 1620 Comment
  CAS-BOT-BC234479  Erythranthe moniliformis Bruce Bartholomew 1989-8-12 5130 Modoc Deep Creek, E side of Warner Mountains. 1920 Comment
  CAS-BOT-BC234460  Erythranthe primuloides Bruce Bartholomew; Barrett Anderson 1988-7-23 4570 Modoc Dismal Swamp, Warner Mts.. 2180 Comment
  CAS-BOT-BC234469  Erythranthe pulsiferae Bruce Bartholomew 1995-7-30 7041 Modoc 3.9 km E of Day on County Road 94 just beyond the ridge crest. 1390 Comment
  CAS-BOT-BC234470  Erythranthe pulsiferae K. Paulson 1978-6-24 s.n. Modoc Egg Lake. Comment
  RSA550584  Erythranthe pulsiferae Bruce Bartholomew 1991-7-4 5902 Modoc Roney Flat. 1460 Comment
  CAS-BOT-BC190755  Eschscholzia californica Elmer Ivan Applegate 1936-7-5 10530 Modoc Hospital Rock, Lave Beds National Monument. Comment
  UC10029  Eschscholzia californica Milo S. Baker 1893-6-18 Modoc Comment
  CAS-BOT-BC95710  Euphorbia serpillifolia John Thomas Howell 1934-7-2 12352 Modoc Morvitz Creek, 1 mi. S of Clear Lake. Comment
  UCD142792  Euphorbia serpillifolia Louis C. Wheeler 1973-8-24 s.n. Modoc Warner Mountains: Sworinger Reservoir. 1798 Comment
  CAS-BOT-BC15161  Eurybia integrifolia Bruce Bartholomew; Barrett Anderson 1990-7-20 5508 Modoc Tamarack Flat, E side of Warner Mts. 2150 Comment
  CAS-BOT-BC15162  Eurybia integrifolia Elmer Ivan Applegate 1932-8-7 8241 Modoc Lily Lake, Bidwell Pass, Warner Mountains Comment
  CAS-BOT-BC15164  Eurybia integrifolia Annie Montague Alexander; L. Kellogg 1946-8-9 5130 Modoc Patterson Lake Trail, Warner Mountains Comment
  CAS-BOT-BC247708  Festuca idahoensis John Thomas Howell 1934-6-11 11929 Modoc Parker Creek. 1584 Comment
  CAS-BOT-BC247716  Festuca idahoensis Bruce Bartholomew 1990-6-15 5247 Modoc Top of Manzanita Mountain in vicinity of Manzanita Lookout. 2130 Comment
  CAS-BOT-BC278461  Festuca idahoensis Melissa A. Berry 1957-6-29 s.n. Modoc Toward Cedar Pass?, Warner Mts. 1524 Comment
  HSC9860  Festuca idahoensis R. C. Wunner 1965-7-1 319 Modoc Lava Beds N.M. Near Indian Well campground. 1433 Comment
Read comments Aug 20 2013
  POM264454  Festuca idahoensis A. A. Beetle 1941-6-29 2833 Modoc Near summit of Mt. Adin 1829 Comment
  SEINET229939 Image available Festuca idahoensis Leila M. Shultz, John S Shultz 1985-6-23 8593 Modoc Modoc Plateau at the western extension of the Great Basin between Beeler and Duncan reservoirs N of Canby near Hwy 139 1311 Comment
  SEINET10559251  Festuca idahoensis Alan A. Beetle 1941-6-29 Beetle 2833 Modoc Near summit of Mt. Adin, sandy soil in open forest. 1829 Comment
  HSC9856  Festuca pratensis M. T. Milligan 1964-7-20 160 Modoc N end of Jess Valley, near Mill Creek. 1677 Comment
  JEPS69254  Festuca pratensis L. S. Smith 1917-7-23 121 Modoc Joseph Creek Warner Mts. 1828 Comment
  UCD66296  Festuca rubra Beecher Crampton; Carl Rimbey 1954-7-8 2175 Modoc Jess Valley, Warner Mountains, 15 miles east of Likely. Comment
  CAS-BOT-BC179185  Floerkea proserpinacoides C. L. Hitchcock 1940-5-27 6696 Modoc 15 mi. NE of Alturas. 1615 Comment
  CAS-BOT-BC214649  Fragaria virginiana Bruce Bartholomew 1994-5-29 6743 Modoc Slopes adjacent to Roney Flat. 1460 Comment
  CAS-BOT-BC214651  Fragaria virginiana Bruce Bartholomew 1994-5-27 6701 Modoc SW side of White Horse Reservoir. 1330 Comment
  SEINET195710  Frasera albicaulis Unknown 1946-7-7 4941 Modoc Eight Mile Creek, northeast corner of county. 1753 Comment
  SJSU9638  Frasera albicaulis W. Savage 1979-7-7 1462 Modoc Triangle, Fairchild Swamp Unit (SW corner), Devils Garden District, Modoc National Forest 1508 Comment
  CHSC118329  Frasera albicaulis var. modocensis L. P. Janeway 2016-5-18 12053 Modoc Modoc Plateau. Between Goose Lake and the Devils Garden area; uplands along southwest side of Goose Lake about 2.1 air-km southwest of north end of Road 48 causeway across the lake. 1434 Comment
  NY189402  Frasera albicaulis var. modocensis B. M. Bartholomew 1989-6-3 4854 Modoc Timber Mountain, ca. 30 km N of State Hwy 299 on Crowder Flat Road. 1550 Comment
  RSA531356  Frasera albicaulis var. modocensis Bruce Bartholomew, B. Anderson 1989-6-2 4808 Modoc 9.3 km east of Fort Bidwell on road to Fee Reservoir, northeast corner of Surprise Valley. 1580 Comment
  POM128268  Frasera albicaulis var. nitida Franklin P. Nutting 1894-6-13 s.n. Modoc Near Egg Lake. Comment
  RSA271745  Frasera albicaulis var. nitida C. Epling 1938-6-14 s.n. Modoc South of Likely on Highway 395. Comment
  CAS-BOT-BC191140  Fraxinus latifolia Bruce Bartholomew 1991-7-6 5982 Modoc W side of Egg Lake. 1300 Comment
  UC22607  Fraxinus latifolia Milo S. Baker Jun 8 1893-Jun 25 1893 Modoc Egg Lake, Lava Bed side Egg Lake Comment
  RSA59529  Fritillaria atropurpurea E. K. Balls 1950-5-20 14810 Modoc Above South Fork Public Camp, on slope south of river, Likely to Jess Valley. 1433 Comment
  CAS-BOT-BC242096  Fritillaria pudica Bruce Bartholomew 1993-4-3 6407 Modoc Adjacent to Turner Creek at County Rd 90, N end of Big Valley, 6.4 km N of Lassen County border. 1300 Comment
  CAS-BOT-BC242101  Fritillaria pudica Bruce Bartholomew; Mona Bourell 1990-4-27 5192 Modoc 1.1 km E of the Modoc National Forest boundary on Parker Creek Road. 1660 Comment
  CAS-BOT-BC179876  Galeopsis tetrahit Herbert Louis Mason; Verne Grant 1947-7-12 13417 Modoc S end of W side road, Pit River Valley, S of Alturas. Comment
  CAS-BOT-BC225043  Galium aparine Bruce Bartholomew; Barrett Anderson 1989-6-2 4797 Modoc 6.4 km E of Fort Bidwell on road to Fee Reservoir, NE corner of Surprise Valley. 1460 Comment
  CAS-BOT-BC225055  Galium aparine Bruce Bartholomew 1995-7-31 7125 Modoc 6.3 km from Forest Service road 46N30 on Forest Service road 45N34, W side of Warner Mountains. Along N fork of Davis Creek 1920 Comment
  RSA101360  Galium aparine R. Weatherby 1955-7-8 1623 Modoc 6 miles N of Ft. Bidwell. Northern Warner Mtns. 1738 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
  UC1736402  Galium grayanum var. nanum Dean W. Taylor 1989-8-5 10467 Modoc Warner Mountains; North Emerson Lake, cirque above the lake 2392 Comment
Read comments Feb 1 2007
  UCD121803  Galium mexicanum subsp. asperulum Verne Grant; Irving Schneider 1947-7-22 8140 Modoc North Fork of Pit River on Highway 395, about one mile north of junction with Cedarville road. Comment
  UC71833  Galium mexicanum var. asperulum Mrs. M. H. Manning 486 Modoc near Fort Bidwell (ne Modoc Co.) Comment
  JEPS27646  Galium serpenticum subsp. warnerense Ehrendorfer and Stebbins 1959-6-28 5913 Modoc plateau, top and s rim Mt. Bidwell; , plateau, top and s rim 2438 Comment
  RSA0005775  Galium serpenticum subsp. warnerense Lauramay T. Dempster, C. Hardham 1961-6-19 1710 Modoc Mouth of canyon just SE of New Pine Creek. 1585 Comment
  RSA185328  Gayophytum diffusum subsp. diffusum Clare B. Hardham 1961-6-21 7898 Modoc Warner Mountains: Lakeview-Plush Road, at head of Camas Creek Comment
  SD135582  Gayophytum diffusum subsp. parviflorum B. Bartholomew 1989-7-14 4948 Modoc Ca. 8.0 km NE of Egg Lake and 2.5 km E of Survice Gulch. 1340 Comment
  RSA101494  Gayophytum racemosum R. Weatherby 1955-7-8 1609 -A Modoc 7 miles north of Ft. Bidwell, northern Warner Mts. 1875 Comment
  CAS-BOT-BC190828  Gayophytum racemosum Mrs. H. C. Cantelow 1935-6-8 919 pp Modoc S of Marlin. 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-BC180115  Gentiana affinis var. ovata Bruce Bartholomew 1994-8-21 6861 Modoc Squaw Peak Trail, E side of the Warner Mountains. 2450 Comment
  UC566922  Gentiana affinis var. ovata F. H. Frost 1925-7-27 169 Modoc Clear Lake Warner Mts. Comment
  CAS-BOT-BC180058  Geranium viscosissimum Annie Montague Alexander; L. Kellogg 1946-7-3 4901 Modoc Bidwell Creek Canyon, 5 mi. W of Fort Bidwell. Comment
  CAS-BOT-BC180061  Geranium viscosissimum Bruce Bartholomew 1990-6-16 5268 Modoc W side of Pine Creek Basin, Warner Mountains. 2200 Comment
  JEPS61451  Geranium viscosissimum Frances D. Payne 1931-6-17 164 Modoc s and e of Alturas; Warner Mountains, Parker Creek 1584 Comment
  UC748255  Geranium viscosissimum Annie M. Alexander and Louise Kellogg 1946-6-12 4726 Modoc 1 mi e Lake City 1414 Comment
  RSA0029590  Geranium viscosissimum var. nervosum C. L. Hitchcock 1940-5-27 6703 Modoc 15 miles NE of Alturas. 1677 Comment
  HSC18193  Geum macrophyllum M. T. Milligan 1966-7-27 595 Modoc E of Jess Valley 1646 Comment
  HSC80698  Geum macrophyllum G. M. Riegel 1980-8-5 984 Modoc S Warner Mtns. 1829 Comment
  RSA59708  Geum triflorum var. ciliatum E. K. Balls 1950-5-20 14792 Modoc South Fork Public Camp, South Fork Pit River, Likely to Clear Lake. 1433 Comment
  CAS-BOT-BC190701  Gilia brecciarum subsp. brecciarum Leland S. Smith 1919-5-4 1085 Modoc Along Likeley road near Fitzhugh Creek. 1524 Comment
  CAS-BOT-BC190679  Gilia modocensis Bruce Bartholomew 1991-5-25 5764 Modoc 8 km E of Likely on road to Jess Valley, N side of road along N side of S Fork of Pit River. 1460 Comment
  CAS-BOT-BC190660  Gilia salticola Bruce Bartholomew 1991-5-24 5710 Modoc Surprise Valley, E of Eagleville at the Nevada State boundary. 1520 Comment
  CAS-BOT-BC190669  Gilia sinistra subsp. sinistra Roxana Stinchfield Ferris; R. Duthie 1919-6-14 106 Modoc Near spring above Parker Creek, Warner Mts. Comment
  CAS-BOT-BC190670  Gilia sinistra subsp. sinistra Bruce Bartholomew 1991-7-6 5970 Modoc Service Gulch, 4.3 km W of County Road 91 on Forest Service road 42N03. 1330 Comment
  RSA334845  Glaux maritima A. Tiehm, Susan Cochrane, Jan Nachlinger, Gary Schoolcraft 1984-6-24 8796 Modoc Surprise Valley, Mineral Wells on east side of Alkali Lake. Comment
  CAS-BOT-BC247693  Glyceria elata Bruce Bartholomew 1989-8-11 5090 Modoc Vicinity of Patterson Ranger Station, S end of Warner Mountains. 2160 Comment
  CAS-BOT-BC49535  Gnaphalium palustre Clare Butterworth Hardham 1974-8-6 20172 Modoc Cedar Pass, Warner Mountains between Alturas and Cedarville 1935 Comment
  CAS-BOT-BC49575  Gnaphalium palustre Bruce Bartholomew; Barrett Anderson 1990-7-19 5402 Modoc Turner Creek at County Rd 90, N end of Big Valley, 6.4 km N of Lassen County border. 1230 Comment
  UCR57501  Gnaphalium palustre R. D. Goeden, Don W. Ricker 1989-8-23 989- 29 Modoc Modoc National Forest, Clear Lake Road at Fletcher Creek. 1479 Comment
  RSA424793  Gratiola ebracteata Louis C. Wheeler 1935-8-22 3909 Modoc Devil's Garden: South Mt. Reservoir. 1524 Comment
  CAS-BOT-BC229886  Gratiola heterosepala M. Vasey 1990-6-30 9040 Modoc Near Curtis Water Hole, NW of Egg Lake. 1300 Comment
  CAS-BOT-BC229893  Gratiola neglecta Verne Grant; I. Schneider 1947-7-20 8094 Modoc S loop of Westside Road, Pit Valley, N of Likely. Comment
  CAS-BOT-BC304880  Grindelia hirsutula L. S. Smith 1924-6-21 1507 Modoc Modoc National Forest. Egg Lake country Comment
  UC748400  Grindelia hirsutula Annie M. Alexander and Louise Kellogg 1946-6-17 4998 Modoc along road to Alturas (and n to Davis Creek, Cedar Pass Road); Warner Mountains Comment
  UC76029  Grindelia hirsutula Milo S. Baker 1898-1 Modoc Forestdale Comment
  RSA293416  Hackelia californica Reino Alava 1957-7-6 1185 Modoc 2 miles west of Benton Meadows, Davis Creek Pass Road, Modoc Nat l Forest Comment
  JEPS25295  Hackelia cusickii Frances D. Payne 1932-6-10 425 Modoc s and e of Alturas (Parker Creek); Warner Mountains 1584 Comment
  CAS-BOT-BC497194  Hackelia micrantha E. Joyal; D. Mehlman 1988-6-28 1291 Modoc N. Warner Mts., ridge road Comment
  CAS-BOT-BC49503  Helianthus cusickii Francis Dorris Payne 1932-6-27 617 Modoc Parker Creek. 1584 Comment
  SEINET11196910 Image available Helianthus cusickii M. J. Williams, A. Tiehm 1988-6-2 88- 28 -5 Modoc Jess Valley, E of Likely, S of roadside rest Comment
  UC134684  Helianthus nuttallii subsp. nuttallii Mrs. R. M. Austin 1894-7-1 Modoc above Alturas; Pit River Comment
  SEINET8465055 Image available Heliotropium curassavicum B. Bartholomew 1989-8-11 5058 Modoc Along W side of Goose Lake, 3.5 km S of the Oregon border on National Forest Road 48. A Beach at edge of lake. 1430 Comment
  POM72289  Heliotropium curassavicum var. oculatum Mrs. R. M. Austin 1895-07 549 Modoc Goose Lake Valley. Comment
  UC1597521  Hemizonella minima Mrs. R. M. Austin Modoc Comment
  UC650533  Hemizonella minima Elmer I. Applegate 1936-5-18 10319 Modoc Bear Paw Cave Lava Beds National Monument Comment
  UC71555  Heracleum lanatum Mrs. M. H. Manning 1903-1 195 Modoc creeks near Fort Bidwell; n.e. Modoc Co. Comment
  CDA35642  Heracleum maximum J. R. Keck Jr. 1985-7-11 PDR# 237698 Modoc Davis Creek, Modoc National Forest. Comment
  POM77803  Heracleum maximum Mrs. R. M. Austin 1895-07 176 Modoc Davis Creek Comment
  CAS-BOT-BC180042  Hesperochiron californicus K. Paulson; Robert Paulson 1989-4-16 102 Modoc Crowder Flat Road, Devil's Garden. Comment
  CAS-BOT-BC180044  Hesperochiron californicus Bruce Bartholomew; Barrett Anderson 1988-5-14 4209 Modoc SW corner of Big Sage Reservoir. 1500 Comment
  CAS-BOT-BC180033  Hesperochiron pumilus Mrs. H. C. Cantelow 1941-5-23 3479 Modoc Hwy 299 just E of Adin Pass Summit. 1576 Comment
  UC73706  Hesperochiron pumilus Milo S. Baker 1896-5-15 80 Modoc Forestdale Comment
  SD51762  Hesperolinon micranthum Helen K. Sharsmith 1955-6-25 4506 Modoc Modoc National Forest, Warner Mountains. North slope of Jess Valley. 1584 Comment
  CAS-BOT-BC95148  Heterocodon rariflorum Bruce Bartholomew 1992-5-16 6327 Modoc Lunsford Spring. 1600 Comment
  UC76659  Heterocodon rariflorum Milo S. Baker 1894-9-1 Modoc Forestdale Comment
  NY541345  Heuchera cylindrica L. C. Wheeler 1935-8-7 3804 Modoc Pine Creek, Warner Mountains 1554.5 Comment
  CHSC70467  Hieracium albiflorum A. Sanger 1996-7-12 2417 Modoc Found along road 44N69, between 44N69C and 69B. 1975 Comment
  SEINET11259286 Image available Hieracium albiflorum A. Sanger 1996-7-12 2417 Modoc On road 44N69 less than 1/2 mile from large turn. Found between 2 logging systemroads running E-W 2024 Comment
  UC566692  Hieracium albiflorum F. H. Frost 1925-7-24 137 Modoc Jess Valley Warner Mountains Comment
  HSC81133  Hieracium horridum G. M. Riegel 1979-7-21 572 Modoc South Warner Mountains 1670 Comment
  UC32785  Hieracium nudicaule Milo S. Baker 1893-7-3 Modoc Comment
  JEPS5991  Hieracium scouleri Frances D. Payne 1932-7-3 674 Modoc s and e Alturas; Warner Mountains, Parker Creek Canyon 1584 Comment
  CAS-BOT-BC49515  Hieracium scouleri Leland S. Smith 1924-6-22 1428 Modoc Lava beds West Lava Ranger Station. Comment
  UC1191993  Hippuris vulgaris Herbert L. Mason and Verne Grant 1947-7-12 13429 Modoc n. Likely (s. loop of w. side of rd.) Comment
  UC71727  Hippuris vulgaris Mrs. M. H. Manning 1903-4-18 89 Modoc near Fort Bidwell; n.e. Modoc Co. Comment
  UC1191965  Hippuris vulgaris Herbert L. Mason 1947-8-15 13561 Modoc spring leading into w. side Goose Lake (11 mi. from Davis Creek) Comment
  HSC10138  Holcus lanatus M. T. Milligan 1964-7-20 149 Modoc N end of Jess Valley, near Mill Creek. 1677 Comment
  CHSC109498  Holodiscus discolor var. glabrescens L. P. Janeway; B. Castro 2012-7-26 11013 Modoc Warner Mountains. Top of Yellow Mountain; topmost part and wster edge (at the edge of a steep dropoff to the northwest). 2463 Comment
  SEINET195679  Holodiscus dumosus var. glabrescens Annie M. Alexander, Louise Kellogg 1946-7-23 5061 Modoc Emerson Peak, Warner Mountains Comment
  CAS-BOT-BC214704  Holodiscus microphyllus var. glabrescens Bruce Bartholomew 1989-7-15 5018 Modoc Manzanita Lookout, top of Manzanita Mountain. 2130 Comment
  HSC80844  Hordeum brachyantherum subsp. californicum G. M. Riegel 1980-8-5 987 Modoc S Warner Mtns. 2100 Comment
  HSC65542  Hordeum jubatum Thomas Wood 1979-8-8 207 Modoc 1 mi. S of Ft. Bidwell, along Hwy. 1, corner house where road turns W 1372 Comment
  CDA32411  Hordeum jubatum T. C. Fuller 1962-8-3 9491 Modoc Hwy 139 to Tulelake, 0.25 mile northwest of Stronghold 0 Comment
  UC190617  Horkelia fusca subsp. capitata M. F. Gilman 524 Modoc mts. 1828 Comment
  RSA611269  Horkelia fusca subsp. pseudocapitata Louis C. Wheeler 1935-8-1 3726 Modoc Dismal Swamp. Twenty Mile Creek, Warner Mountains. 2226 Comment
  CAS-BOT-BC214717  Horkelia tridentata Bruce Bartholomew 1995-6-1 6918 Modoc NW edge of Little Hot Spring Valley NW of Day. 1080 Comment
  JEPS44548  Horkelia tridentata Milo S. Baker 1893-6 Modoc Forestdale region Comment
  HSC29910  Horkelia tridentata var. tridentata D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19508 Modoc Big Valley Summit, 6 mi. W of Adin on Hwy. 299 Comment
  CAS-BOT-BC179322  Hydrophyllum capitatum var. alpinum Annie Montague Alexander; L. Kellogg 1946-7-24 5077 Modoc Bear Camp Flat. 2286 Comment
  CAS-BOT-BC179324  Hydrophyllum capitatum var. alpinum L. A. M. Black 1894-4-1 107 Modoc Davis Creek. Comment
  CAS-BOT-BC179333  Hydrophyllum capitatum var. alpinum Elmer Ivan Applegate 1932-7-9 7588 Modoc N slope of Bidwell Mountain. Comment
  CAS-BOT-BC180022  Hydrophyllum capitatum var. alpinum Elmer Ivan Applegate 1932-8-2 8092 Modoc Mill Creek Meadows, western slope of Warner Mts. Comment
  CAS-BOT-BC180024  Hydrophyllum capitatum var. alpinum Roxana Stinchfield Ferris; R. Duthie 1919-6-14 80 Modoc Parker Creek. Comment
  CAS-BOT-BC248351  Hydrophyllum capitatum var. alpinum B. Bartholomew; H. Sun 2002-6-24 8834 Modoc Ca. 1 km NW of Bald Mt., E side of the Warner Mountains 2290 Comment
  HSC13545  Hydrophyllum capitatum var. alpinum M. T. Milligan 1965-7-10 434 Modoc W slope of Eagle Peak. 2439 Comment
  JEPS1629  Hydrophyllum capitatum var. alpinum L. S. Smith 1919-6-1 1107 Modoc Deep Creek ranger station; Warner Mts. 1508 Comment
  SEINET195702  Hydrophyllum capitatum var. alpinum Annie M. Alexander, Louise Kellogg 1946-7-24 5077 Modoc Bear Camp Flat, Warner Mountains. 2286 Comment
  UC1005251  Hydrophyllum capitatum var. alpinum Rolf Y. Berg 1955-6-22 Modoc w of Cedarville (Cedar Pass Campground); Modoc National Forest Comment
  UC748438  Hydrophyllum capitatum var. alpinum Annie M. Alexander and Louise Kellogg 1946-6-8 4704 Modoc road from Eagleville to Patterson Mill (near 3 mi Ranger Station sign) 2225 Comment
  JEPS1627  Hydrophyllum capitatum var. alpinum Leland S. Smith 1918-8-13 1073 Modoc Camp One Comment
  POM73853  Hydrophyllum capitatum var. alpinum Mrs. R. M. Austin, Bruce 1898-07 2196 Modoc Goose Lake Mountains. Comment
  RSA420898  Hydrophyllum capitatum var. alpinum George Willet 1935-6-21 s.n. Modoc Warren Mountains. 2287 Comment
  UC69287  Hypericum formosum var. scouleri Mrs. M. H. Manning 1903-7 204 Modoc near Fort Bidwell; n.e. Modoc co. Comment
  UC635673  Hypericum formosum var. scouleri F. H. Frost 1900-7-24 103 Modoc Jess Valley Warner Mts., Jess Valley Comment
  UCD150424  Idahoa scapigera Harry A. George 1967-6-15 s.n. Modoc S. of Adin. Comment
  CAS-BOT-BC179107  Iliamna bakeri Dean William Taylor 1988-8-11 10044 Modoc Damon's Butte (ca. 2 mi W of Hwy 139) in summit crater of butte. 1466 Comment
  CAS-BOT-BC15178  Ionactis alpina Elmer Ivan Applegate 1932-8-1 8040 Modoc Arid summit of Warner Mts. S of Warren Peak. Comment
  UC449742  Ipomopsis aggregata Mrs. M. H. Manning 1907-1 Modoc 12 Mile Creek Mt. Bidwell, e side Comment
  JEPS4127  Ipomopsis aggregata Frances D. Payne 1929-6-28 32 Modoc se Alturas (Parker Creek); Warner Mtns 1584 Comment
  UC449782  Ipomopsis aggregata W. P. Taylor and H. C. Bryant 1910-7-13 Modoc hea of N. Fork Parker Creek Warner Mtns 2225 Comment
  UC748419  Ipomopsis congesta Annie M. Alexander and Louise Kellogg 1946-7-11 4969 Modoc Eight Mile Creek Comment
  UC4306  Iris missouriensis Milo S. Baker 1893-6-30 Modoc Egg Lake shore; Egg Lake Comment
  RSA181832  Iris missouriensis H. N. Metcalf, Jack C. Wilson 1965-7-1 65 -22 Modoc Likely, in a canyon in foothills of Warner Mountains 1646 Comment
  CAS-BOT-BC58405  Isatis tinctoria Thomas C. Fuller 1963-7-16 10913 Modoc E side of Fandango Pass Rd., 1.8 mi. E of Hwy 395 to Willow Ranch. Comment
  JEPS89838  Isoetes bolanderi Dean W. Taylor 1992-5-8 12571 Modoc ca. 1.5 air mi. s. of Oregon State Line Pine Creek Canyon; Warner Mts., Pine Creek Canyon 1554 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
  JEPS86282  Ivesia baileyi var. beneolens Dean Wm. Taylor with Glenn Clifton 1990-6-25 11164 Modoc Cedar Pass Warner Mountains, Davis Creek 15' U.S.G.S. topographic map (n slopes of Peak 7298) 2148 Comment
  UC70011  Juncus balticus Mrs. M. H. Manning Aug 1904 442 Modoc ne Modoc County 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
  RSA0113961  Juncus bufonius var. bufonius Lowell A. Ahart, John Dittes 2013-7-24 18929 Modoc About 50 yards south of the levee road, north side of Ash Creek Floodplain, 0.54 mile (air) southeast of Pilor Butte Parking Area, 1.1 miles (air) south of County Road 87, 6.8 miles (air) west of Adin, Big valley. 1263 Comment
  RSA577909  Juncus bufonius var. bufonius L. C. Wheeler 1935-8-1 3738 Modoc Dismal Swamp, Twenty Mile Creek, Warner Mountains. 2226 Comment
  CAS-BOT-BC245063  Juncus ensifolius Bruce Bartholomew; Barrett Anderson 1988-7-23 4595 Modoc Pine Creek, 4 km E of U.S Highway 395 on the road to Lily Lake, Warner Mts.. 1620 Comment
  CHSC109640  Juncus ensifolius Lowell Ahart; John Dittes 2012-7-12 18369 Modoc North edge of Ash Creek, south of the gravel pit, about 1/8 mile east of the parking area on the east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adam, about 8 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  CHSC31497  Juncus ensifolius N. E. H. Prouty 1980-8-6 213 Modoc Modoc Nat. Forest. Meadow on southern bank of North Fork Pine Creek. 1524 Comment
  CAS-BOT-BC245056  Juncus hemiendytus var. abjectus Bruce Bartholomew 1995-6-24 7035 Modoc 6 km E of Burlington Northern Railroad track on Forest Service Road 42N03. 1340 Comment
  CAS-BOT-BC245047  Juncus hemiendytus var. hemiendytus Bruce Bartholomew 1993-6-12 6605 Modoc Flat between Egg Lake and Lookout just E of railroad track. 1260 Comment
  UC1142955  Juncus nevadensis A. L. Hormay 1941-6-23 35 Modoc Spaulding Reservoir Modoc National Forest Comment
  CAS-BOT-BC81205  Juniperus occidentalis Florence Angwin 1946-5-4 s.n. Modoc Adin Comment
  RSA6216  Juniperus occidentalis var. occidentalis Elmer I. Applegate 1929-7-29 6083 Modoc Clear Lake Comment
  CAS-BOT-BC95670  Kalmia polifolia K. Paulson; Robert Paulson 1989-7-14 188 Modoc Vicinity of Bell Mine, N end of the Warner Mts. 2194 Comment
  POM229190  Kalmia polifolia subsp. microphylla L. C. Wheeler 1935-8-4 3776 Modoc Pine Creek, Warner Mts. 2210 Comment
  CAS-BOT-BC248319  Kelloggia galioides B. Bartholomew 2002-8-26 8871 Modoc Fandango Pass on the E side of the Warner Mountains near the crest of the mountains 1820 Comment
  HSC10667  Koeleria macrantha M. T. Milligan 1964-6-20 59 Modoc 2 mi. N on Pencil Rd. from Hwy. 395 1372 Comment
  JEPS114835  Koeleria macrantha Lowell Ahart, John Dittes 2008-6-21 15015 Modoc On the north side of the dirt road, in Big Valley, about 3.8 miles (air) north of the Headquarters at Ash Creek State Wildlife Area, about 6.5 miles (air) northeast of Bieber 1264 Comment
  UC1137087  Koeleria macrantha August L. Hormay 1932-7-14 Modoc D D plot site Comment
  UCD85783  Koeleria macrantha Beecher Crampton 1960-6-17 5683 Modoc 5 miles south of Perez, Plant Quarantine Station area. 1371 Comment
  JEPS117280  Lactuca serriola Lowell Ahart, John Dittes 2010-8-30 17073 Modoc About 15 yards west of the fence, south edge of the meadow, Ash Creek State Wildlife Area, 2300 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley 1267 Comment
  UCR57487  Lagophylla ramosissima R. D. Goeden, Don W. Ricker 1989-8-23 890823- 16 Modoc Warner Mtns., Modoc National Forest, Fandango Pass Road, in vicinity of Warner Mtn. 1607 Comment
  CAS-BOT-BC49498  Lagophylla ramosissima subsp. ramosissima Bruce Bartholomew; Barrett Anderson 1988-6-23 4239 Modoc 2.1 km SSE of Day on the road to State Highway 299. 1020 Comment
  CHSC100459  Lagophylla ramosissima subsp. ramosissima Lowell Ahart; John Dittes 2008-8-25 15327 Modoc On the west side County Road 91, 3.9 miles (air) north-northeast of Lookout. 1275 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
  CAS-BOT-BC54070  Lappula redowskii Elmer Ivan Applegate 1936-5-4 10235 Modoc Lava Beds National Monument, near Hospital Rock, northern boundary. Comment
  UC78792  Lappula redowskii Mrs. R. M. Austin July 1885 Modoc Goose Lake Valley Comment
  CAS-BOT-BC181983  Lathyrus brownii K. Paulson; Robert Paulson 1989-5-8 111 Modoc Howard's Gulch, along Hwy 139. 1371 Comment
  JEPS64864  Lathyrus brownii N. Mirov 1929-6-16 Modoc Warner Mts. 1615 Comment
  RSA598727  Lathyrus rigidus Bruce Bartholomew, M. Gilbert, L. Skog 1993-5-10 6441 Modoc Just NE of Davis Creek Cemetery, 1.3 km E of Davis Creek. 1500 Comment
  SJSU9609  Lemna minor W. Savage 1979-7-6 1383 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  UC1101267  Lemna trisulca Verne Grant, Irving Schneider 1947-8-24 8257 Modoc in Harvey Creek at head of Jess Valley Harvey Creek; Jess Valley, Harvey Creek Comment
  CAS-BOT-BC58458  Lepidium campestre Bruce Bartholomew 1992-5-16 6315 Modoc Wet pasture just E of the town of Davis Creek. 1480 Comment
  CHSC106184  Lepidium campestre Lowell Ahart; John Dittes 2010-8-31 17109 Modoc About 40 yards west of Elkins Lane, about 150 yards north of the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1274 Comment
  RSA424438  Lepidium latifolium Margaret J. Williams 1984-7-1 84- 89 -1 Modoc NW of Alturas, N of Hwy 299, Crowder Flat road. 1372 Comment
  CAS-BOT-BC58349  Lepidium perfoliatum E. S. Willits 1940-5-17 273 Modoc Willow Ranch. Comment
  POM319635  Leptosiphon harknessii Patricia Wilder 1971-6-20 5055 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
  RSA318659  Leptosiphon harknessii Margaret J. Williams 1983-7-29 83- 116 -8 Modoc 1.1 mi N of Stowe Reservoir Campground, N of Cedar Pass, Warner Mtns. 2088 Comment
  SJSU9700  Leptosiphon harknessii W. Savage 1979-7-10 1533 Modoc Oregon Rim Unit, Devils Garden District, Modoc National Forest 1645 Comment
  RSA503046  Leptosiphon nuttallii K. Paulson, R. Paulson 1988-7-9 70 Modoc Near Poison Lake, Warner Mountains 2134 Comment
  UC71732  Leucocrinum montanum Mrs. M. H. Manning 1903-5-1 93 Modoc Fort Bidwell; ne Modoc County Comment
  SJSU13891  Leucocrinum montanum N. A. Hopkins 1985-5-13 1265 Modoc by Highway 395 c. 30 mi S of Alturas Comment
  POM299553  Leucophysalis nana Marion Ownbey, Fred G. Meyer 1940-7-1 2132 Modoc Near Cedar Pass, Warner Mts. Comment
  CAS-BOT-BC197461  Lewisia nevadensis Bruce Bartholomew 1994-5-28 6719 Modoc Vicinity of Cold Spring SE of Sugar Hill, W side of Warner Mts. 1880 Comment
  SEINET195692 Image available Lewisia nevadensis Annie M. Alexander, Louise Kellogg 1946-6-15 4780 a Modoc Deep Creek 2190 Comment
  CAS-BOT-BC197497  Lewisia rediviva M. M. Hanna June 4 982 Modoc Cedar Pass Comment
  CAS-BOT-BC197485  Lewisia rediviva Leland S. Smith 1917-6-5 25 Modoc So. Fork Pitt River Canyon. Sec. 26. 1676 Comment
  NY497586  Lewisia rediviva K. Paulson 1988-5-22 4 Modoc Eagle Swamp Road, Devil's Garden 1402.1 Comment
  UC748225  Lewisia triphylla Annie M. Alexander and Louise Kellogg 1946-6-15 4780 b Modoc Deep Creek 2194 Comment
  UCD64258  Leymus cinereus A. A. Beetle 1941-6-29 2841 Modoc 15 miles E of Alturas on road to Cedarville Pass. 1371 Comment
  RSA602593  Leymus condensatus L. C. Wheeler 1935-9-10 3964 Modoc McGinty Reservoir, Devil's Garden 1463 Comment
  JEPS69228  Leymus triticoides Leland S. Smith 1920-7-4 1173 Modoc Alturas Comment
  UCD86643  Leymus triticoides J. E. Coke 1932-11-1 s.n. Modoc Modoc County. Comment
  JEPS68579  Leymus triticoides Leland S. Smith c. 1917 1174 Modoc Altina Comment
  CAS-BOT-BC21461  Ligusticum grayi Louis Cutter Wheeler 1935-8-16 3882 Modoc Dismal Swamp. 2225 Comment
  CAS-BOT-BC436037  Ligusticum grayi John Thomas Howell 1934-6-14 12150 Modoc Warner Mts., near Los Lake 2438 Comment
  CAS-BOT-BC242069  Lilium washingtonianum Leland S. Smith 1924-6-6 1375 Modoc Egg Lake region. Comment
  RSA0011492  Limosella acaulis Robert F. Thorne, Larry E. DeBuhr 1975-8-22 46966 Modoc Ca. 3.4 miles north of Alturas at bridge over North Fork of Pit River 1341 Comment
  CAS-BOT-BC238351  Limosella aquatica Herbert L. Mason; Verne Grant 1947-7-12 13418 Modoc Along railroad track, Pit River Valley, south of Alturas Comment
  CHSC85116  Limosella aquatica John Dittes; Josephine Guardino 1991-7-21 419 Modoc Modoc Plateau; Big Valley; Ash Creek Wildlife Area; ca. 5.7 air-miles northeast of Bieber, ca. 7.6 air-miles west of Adin, ca. 1.5 air-mile southeast of Pilot Butte summit; meadow at northern edge of Ash Creek Floodplain (Big Swamp) at southeast base of Pilot Butte. 1258 Comment
  CAS-BOT-BC190628  Linanthus bolanderi Fred D. Douthitt 1916-5-11 17 Modoc Juniper Flats-West Valley. 1676 Comment
  SEINET3163737  Linanthus harknessii L. S. Rose 1940-6-14 40573 Modoc 8 mi. nw. of Canby 1524 Comment
  UC880256  Linanthus harknessii Lewis S. Rose 1940-6-14 40573 Modoc 8 mi nw Canby 1524 Comment
  UC23622  Linanthus harknessii Milo S. Baker 1893-7-8 Modoc Comment
  UC52424  Linanthus septentrionalis Milo S. Baker 1893-1 Modoc Forestdale Comment
  RSA146496  Linaria dalmatica W. T. parsons, T. C. Fuller 1960-7-27 4875 Modoc Around old sawmill site, Lassen Creek, near Sugar Hill Planting. Comment
  CAS-BOT-BC179158  Linum lewisii Elmer Ivan Applegate 1932-8-3 8114 Modoc Dry crest of Warner Mts. near Eagle Peak. Comment
  CAS-BOT-BC179161  Linum lewisii Elmer Ivan Applegate 1932-7-9 7601 Modoc NE slope of Bidwell Mt. Comment
  CAS-BOT-BC225813  Lithophragma glabrum Robert J. Weatherby 1955-7-7 1601 Modoc Dismal Swamp, northern Warner Mts. 2240 Comment
  POM260324  Lithophragma glabrum C. L. Hitchcock 1940-5-27 6718 Modoc 15 miles NE of Alturas. 1982 Comment
  RSA101503  Lithophragma glabrum R. Weatherby 1955-7-7 1601 Modoc Dismal Swamp, northern Warner Mountains. 2241 Comment
  UC11912  Lithophragma glabrum Mrs. R. M. Austin May, 1894 Modoc Goose Lake Valley Comment
  UC748208  Lithophragma glabrum Annie M. Alexander and Louise Kellogg 1946-6-25 4824 Modoc Dismal Swamp Warner Mtns (n end of Warner Mtns) 2255 Comment
  JEPS47649  Lithophragma glabrum Milo S. Baker 1896-5-15 Modoc Big Valley; near Johnsons Comment
  RSA59363  Lithophragma glabrum E. K. Balls 1950-5-11 14630 Modoc 8.1 miles NE of Fort Bidwell. Above Cow Head Lake. Along 8 Mile Creek. 1463 Comment
  CAS-BOT-BC225823  Lithophragma parviflorum Bruce Bartholomew 1992-5-15 6312 Modoc Upper end of Pleasants Canyon, W side of Warner Mountains. 1930 Comment
  CAS-BOT-BC225832  Lithophragma parviflorum Bruce Bartholomew; Barrett Anderson 1989-4-27 4618 Modoc 2.1 km SSE of Day on road to State Highway 299. 1020 Comment
  JEPS47672  Lithophragma parviflorum Milo S. Baker 1893-1 Modoc Big Valley; Craig's Comment
  CAS-BOT-BC225834  Lithophragma parviflorum Francis Dorris Payne 1932-6-12 543 Modoc Dry Creek Canyon. Comment
  CAS-BOT-BC225843  Lithophragma tenellum Francis Dorris Payne 1932-6-10 527 Modoc Parker Creek. 1584 Comment
  HSC80732  Lithophragma tenellum G. M. Riegel 1980-7-22 919 Modoc S Warner Mtns. 1670 Comment
  CAS-BOT-BC54028  Lithospermum ruderale Bruce Bartholomew 1991-5-25 5756 Modoc Turner Creek at County Rd. 90, N end of Big Valley, 6.4 km N of Lassen County line. 1230 Comment
  CAS-BOT-BC54039  Lithospermum ruderale Gordon H. True 1964-6-3 1436 Modoc No. Fork Pit River between Alturas & Goose Lake. 1432 Comment
  POM72725  Lithospermum ruderale Mrs. R. M. Austin 524 Modoc Goose Lake Valley. Comment
  RSA59535  Lithospermum ruderale E. K. Balls 1950-5-20 14804 Modoc 1.2 miles below Mill Creek Falls Public Camp, towards Jess Valley Comment
  CAS-BOT-BC21438  Lomatium bicolor var. leptocarpum Bruce Bartholomew; M; M. Gilbert; L. E. Skog 1993-5-10 6442 Modoc Just NE of Davis Creek Cemetery, 1.3 km E of Davis Creek. 1500 Comment
  CAS-BOT-BC21441  Lomatium bicolor var. leptocarpum Bruce Bartholomew; Barrett Anderson 1989-4-28 4647 Modoc 8.8 km N of State Highway 299 on road to Raker & Thomas Reservoir. 1470 Comment
  CAS-BOT-BC21442  Lomatium bicolor var. leptocarpum Bruce Bartholomew 1991-6-21 5795 Modoc 1.6 km S of Davis Creek on U.S. Hwy 395. 1450 Comment
  CAS-BOT-BC21444  Lomatium bicolor var. leptocarpum E. S. Willits 1940-4-16 176 Modoc Sugar Hill. Comment
  CHSC117818  Lomatium bicolor var. leptocarpum L. P. Janeway 2016-5-17 12007 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
  SEINET3081247 Image available Lomatium bicolor var. leptocarpum Arnold 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
  UC1508606  Lomatium bicolor var. leptocarpum Arnold Tiehm 1984-7-20 8827 Modoc 8.9 road mi NE of Ft. Bidwell (on the main road to Adel, just past the road summit) 1615 Comment
  CAS-BOT-BC21453  Lomatium bicolor var. leptocarpum R. M. Austin; C. C. (Mrs.) Bruce 1898-6-1 2283 Modoc Fields, Goose Lake. Comment
  CAS-BOT-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
  RSA584732  Lomatium canbyi Bruce Bartholomew 1993-5-10 6477 Modoc Modoc County: NW side of Barrel Spring Road near NW corner of Mud Lake, Sagebrush flat., 41Y 52 29N, 120Y 2 13W 1680 Comment
  CAS-BOT-BC30129  Lomatium foeniculaceum subsp. macdougalii Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-10 6453 Modoc At the Nevada border directly E of Eagleville, E side of Surprise Valley. 1520 Comment
  NY1141374  Lomatium foeniculaceum var. macdougalii B. M. Bartholomew 1995-5-13 6909 Modoc 4.8 km west of Eagleville, east side of the south end of Surprize Valley 1480 Comment
  CAS-BOT-BC30141  Lomatium macrocarpum Mrs. H. C. Cantelow 1940-6-1 4509 Modoc 10 mi. E of Alturas. Comment
  CAS-BOT-BC30142  Lomatium macrocarpum E. S. Willits 1940-4-27 194 Modoc Davis Creek. Comment
  UCR163906  Lomatium macrocarpum Jim Andre 1993-6-30 1401 Modoc Modoc Plateau, about 10 miles NW of Canby on Hwy 139, near NW end of Oak Ridge 1494 Comment
  CAS-BOT-BC30138  Lomatium macrocarpum R. M. Austin; C. C. (Mrs.) Bruce 1898-6-1 2285 Modoc Goose Lake. Comment
  CAS-BOT-BC30144  Lomatium macrocarpum Harry Dwight Dillon Ripley; Rupert Charles Barneby 1944-5-31 5998 Modoc W of Alturas. 1325 Comment
  NY1066292  Lomatium nevadense B. M. Bartholomew 1989-4-29 4669 Modoc 6.4 km E of Fort Bidwell on road to Fee Reservoir, NE corner of Surprise Valley. 1460 Comment
  CAS-BOT-BC15756  Lomatium nevadense var. nevadense Clare Butterworth Hardham 1961-6-18 7590 A Modoc Cedar Pass. 1828 Comment
  CAS-BOT-BC15757  Lomatium nevadense var. nevadense Annie Montague Alexander; L. Kellogg 1946-6-8 4703 Modoc Near 3 mi. Ranger Station sign, road from Eagleville to Patterson Mille. 2225 Comment
  CAS-BOT-BC15760  Lomatium nevadense var. nevadense James D. Jokerst 1983-5-31 1802 Modoc Near Signal Butte. 1340 Comment
  UC106254  Lomatium nevadense var. nevadense Mrs. R. M. Austin May 1884 87 Modoc Goose Lake Valley Comment
  RSA452582  Lomatium nudicaule Christopher Davidson 1973-5-26 2138 Modoc Highway 299 N of Adin Summit 1524 Comment
  UC106271  Lomatium nudicaule Mrs. R. M. Austin 153 Modoc Lava Beds Comment
  SEINET195701  Lomatium triternatum Annie M. Alexander, Louise Kellogg 1946-6-27 4842 Modoc Highgrade (top of ridge 2 miles by road from Dismal Swamp) north end of Warner Mountains Comment
  CHSC70708  Lomatium triternatum var. macrocarpum A. Sanger 1997-6-3 2487 Modoc Mowitz Road at Boles Creek Crossing. 1463 Comment
  UC1246753  Lomatium triternatum var. macrocarpum A. S. Barclay, R. D. Barbee, K. E. Blum and S. D. Koch 1962-7-19 1397 Modoc 17 mi N of Alturas (Hwy 395) 1371 Comment
  CAS-BOT-BC21404  Lomatium triternatum var. triternatum Alice Eastwood; John Thomas Howell 1940-6-11 8030 Modoc 8 mi. from Canby on road to Alturas. Comment
  CAS-BOT-BC21418  Lomatium triternatum var. triternatum M. M. Hanna 1956-6-4 s.n. Modoc Cedar Pass. Comment
  CAS-BOT-BC21420  Lomatium triternatum var. triternatum Margaret J. Williams; et al 1988-5-28 88- 19 -1 Modoc Hwy 395, intersection with Davis Creek Road. Comment
  OBI8886  Lomatium vaginatum Lincoln Constance, Emil DiFulvio 1962-4-16 3750 Modoc 3.2 mi N of Likely 1311 Comment
  POM260283  Lomatium vaginatum C. L. Hitchcock 1940-5-27 6657 Modoc 9 miles northeast of Alturas. 1402 Comment
  UC643300  Lomatium vaginatum Alice Eastwood and John Thomas Howell 1940-6-11 8023 Modoc 8 mi. from Canby on rd. to Alturas Comment
  CAS-BOT-BC95168  Lonicera interrupta Belknap C. Goldsmith 1912-7-1 51 Modoc Little Hot Spring Valley. 1219 Comment
  CAS-BOT-BC95172  Lonicera involucrata var. involucrata Bruce Bartholomew 1989-8-12 5121 Modoc South Fork of Pine Creek where it crosses West Warner Road, W side of Warner Mountains. 1900 Comment
  CHSC116081  Lotus corniculatus Lowell Ahart; John Dittes 2015-7-16 20379 Modoc North edge of Ash Creek (destroyed) southeast of gravel pit (destroyed), about 1/8 mile east of parking area on east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  SEINET3131479  Lotus crassifolius var. crassifolius M. S. Baker 1893-1 sn Modoc Forestdale Comment
  NY704620  Lotus denticulatus J. T. Howell 1934-6-11 11938 Modoc Parker Creek, Warner Mountains 1585 Comment
  UC71807  Lotus denticulatus Mrs. M. H. Manning Jun 1904 463 Modoc near Fort Bidwell (ne Modoc County) Comment
  CAS-BOT-BC181952  Lotus humistratus D. Isley; I. Isley 1971-7-11 11373 Modoc Intersection of State highways 139 and 299. Comment
  CAS-BOT-BC181954  Lotus humistratus Bruce Bartholomew 1991-6-21 5820 Modoc N side of Mud Lake, 5.3 km S of Forest Service road 73 on road to Rim Rock Valley. 1570 Comment
  SEINET5512249  Lotus humistratus J. C. Beatley 1964-1 Modoc Tule Lake area. Drainage area: Tule Lake area 1829 Comment
  CAS-BOT-BC181948  Lotus nevadensis var. nevadensis Bruce Bartholomew; Barrett Anderson 1988-6-23 4227 Modoc 2.1 km SSE of Day on the road to State Highway 299. 1020 Comment
  NY716009  Lotus purshianus B. M. Bartholomew 1988-7-22 4485 Modoc Vicinity of East Creek Trailhead, southern end of the Warner Mountains 2210 Comment
  RSA503054  Lotus unifoliolatus Bruce Bartholomew, B. Anderson 1988-6-23 4223 Modoc 2.1 km SSE of Day on the road to State Highway 299. 1020 Comment
  CAS-BOT-BC181928  Lupinus C. P. Smith 1947-6-13 47463 Modoc Highway 395, Pine Creek (town) 0.8 mi. S. Comment
  CAS-BOT-BC181935  Lupinus C. P. Smith 1947-6-13 47459 Modoc Highway 395, Pine Creek (town), 6.2 mi. S. Comment
  CAS-BOT-BC198272  Lupinus John Thomas Howell 1934-6-14 12120 Modoc Near Lost Lake, Warner Mts. 2438 Comment
  CAS-BOT-BC181898  Lupinus arbustus Francis Dorris Payne 1931-6-21 211 Modoc Ridge SW Dry Creek. 1981 Comment
  CAS-BOT-BC181906  Lupinus arbustus Mrs. H. C. Cantelow 1940-6-1 Modoc Cedar Pass, E of Alturas. 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
  NY732851  Lupinus arbustus subsp. calcaratus H. C. Cantelow 1940-5-31 s.n. Modoc [perhaps 8 or 8.?] miles east of Indian Springs Comment
  NY732855  Lupinus arbustus subsp. calcaratus K. Paulson 1991-7-27 245 Modoc Sugar Hill area 2118 Comment
  CAS-BOT-BC182223  Lupinus argenteus John Thomas Howell 1934-6-13 12088 Modoc Surprise Valley, 3.5 mi. S of Lake City. Comment
  LA205002  Lupinus argenteus Alice Eastwood; John Thomas Howell 1940-6-13 8137 Modoc W side of Fandango Pass Comment
  SEINET3145124  Lupinus argenteus L. S. Rose 1940-6-14 40564 Modoc Kelly Hot Springs 1341 Comment
  SEINET10936563  Lupinus argenteus subsp. argenteus H. Dearing, M. Dearing 1939-7-7 Dearing 3575 Modoc W of canby Comment
  RSA705044  Lupinus argenteus var. argenteus Darley Howe 1979-6-27 5113 Modoc Area west of Goose Lake. Comment
  SBBG3540  Lupinus argenteus var. argenteus H. and M. Dearing 1939-6-7 3575 Modoc E of Adin Comment
  CAS-BOT-BC182086  Lupinus argenteus var. heteranthus C. P. Smith 1947-6-13 47465 Modoc Highway 395, Pine Creek (town), S edge. Comment
  CAS-BOT-BC182108  Lupinus argenteus var. heteranthus Elmer Ivan Applegate 1929-6-24 5895 Modoc Along road between Alturas and Davis Creek. Comment
  CAS-BOT-BC208729  Lupinus argenteus var. heteranthus Frances Payne 1929-7-12 74 Modoc Lost Lake, Warner Mts. 2286 Comment
  CHSC107352  Lupinus argenteus var. heteranthus Lowell Ahart; John Dittes 2011-6-22 17556 Modoc About 50 yards east of the road, about 100 yards northeast of the Pilot Butte Parking Lot, north edge of Ash Creek Floodplain, 1.1 miles (air) south of County road 87, 7.7 miles (air) west of Adin, 10 miles (air) east of Lookout, Big Valley. 1264 Comment
  JEPS118275  Lupinus argenteus var. heteranthus Lowell Ahart, John Dittes 2011-6-22 17556 Modoc About 50 yards east of the road, about 100 yards northeast of the Pilot Butte Parking Lot, north edge of Ash Creek Floodplain, 1.1 miles (air) south of County road 87, 7.7 miles (air) west of Adin, 10 miles (air) east of Lookout, Big Valley 1264 Comment
  NY736941  Lupinus argenteus var. heteranthus B. M. Bartholomew 1990-6-17 5298 Modoc Along Emerson Creek, 3.9 km southwest of County Road 1, east side of Warner Mountains 1700 Comment
  JEPS65347  Lupinus bicolor Leland S. Smith 1918-5-2 918 Modoc hills around Adin; Modoc National Forest, hills around Adin 1981 Comment
  HSC71461  Lupinus caudatus J. P. Smith, J. O. Sawyer 1973-8-8 7237 Modoc S slopes of Eagle Peak 2561 Comment
  RSA163773  Lupinus caudatus Clare B. Hardham 1961-6-19 7837 Modoc Davis creek. 1677 Comment
  RSA531329  Lupinus caudatus Bruce Bartholomew, B. Anderson 1990-7-20 5485 Modoc 10.3 km north of Buck Creek Ranger Station, crest of Warner Mountains west side of Warner Mountains. 2130 Comment
  CAS-BOT-BC181881  Lupinus latifolius Roxana Stinchfield Ferris; R. Duthie 1919-6-14 1476 Modoc Parker Creek at Modoc Nat. Forest boundary. Comment
  RSA31849  Lupinus latifolius subsp. viridifolius A. A. Heller 1941-6-25 16206 Modoc West side of the grade leading up to Cedar Pass. Comment
  RSA271924  Lupinus latifolius var. barbatus Christopher Davidson 1975-6-4 s.n. Modoc 0.4 miles E of Hwy 395 on Hwy 299 toward Cedarville. 1380 Comment
  RSA0118762  Lupinus lepidus subsp. confertus Lowell A. Ahart, John Dittes 2013-7-25 18966 Modoc About 10 yards west of the north-south fence, south edge of Ash Creek Floodplain, northwest of Patterson Homestead, east of Elkins Lane, 1.0 mile (air) south of County Road 87, 3.14 miles (air) west of Adin, Big Valley. 1268 Comment
  CAS-BOT-BC181875  Lupinus lepidus var. lobbii Elmer Ivan Applegate 1932-8-1 8050 Modoc Near summit of Warren Peak, Warner Mts. 2895 Comment
  CAS-BOT-BC181865  Lupinus lepidus var. sellulus K. Paulson; Robert Paulson 1989-5-21 118 Modoc Crowder Flat Road, Devil's Garden. 1341 Comment
  UC1228170  Lupinus lepidus var. sellulus Beecher Crampton 1960-6-17 5706 Modoc 13 mi w Canby (McKay Flat); w of Canby 1280 Comment
  RSA26494  Lupinus leucophyllus Alice Eastwood, John T. Howell 1940-6-14 8207 Modoc Canby Comment
  NY747431  Lupinus microcarpus B. M. Bartholomew 1989-6-2 4784 Modoc Long Canyon, 12 km northeast of Fort Bidwell on the road to the Oregon border 1550 Comment
  RSA504640  Lupinus microcarpus Bruce Bartholomew, B. Anderson 1988-6-23 4247 Modoc 4.2 kim NW of Day. 1020 Comment
  CAS-BOT-BC181839  Lupinus microcarpus var. microcarpus Alice Eastwood; John Thomas Howell 1940-6-13 8160 Modoc E side of Fandango Pass. Comment
  CAS-BOT-BC181846  Lupinus microcarpus var. microcarpus Edward Kent Balls 1950-5-18 14763 Modoc By Lower Rush Creek Public Camp. 1310 Comment
  UCD108862  Lupinus microcarpus var. microcarpus B. L. Kay 1955-6-17 s.n. Modoc 2 miles northwest of Likely. Comment
  CAS-BOT-BC181826  Lupinus polyphyllus var. burkei Francis Dorris Payne 1931-6-17 180 Modoc Parker Creek, Warner Mts. 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
  RSA414419  Lupinus ruber Christopher Davidson 2126 Modoc ca. 4 miles W of Canby on Hwy 299. 1341 Comment
  UC71812  Lupinus saxosus Mrs. M. H. Manning 1903-4 52 Modoc near Fort Bidwell; near Fort Bidwell Comment
  CAS-BOT-BC181816  Lupinus saxosus R. M. Austin Modoc Modoc County. 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
  SDSU7292  Lycopus asper D. F. Howe 1966-7-26 4304 Modoc 1.3 miles north of Lassen-Modoc Co. line, east of Warner Mts., Modoc Co. 1341 Comment
  UC1191585  Lythrum tribracteatum Herbert L. Mason, Verne Grant 1947-7-10 13324 Modoc 2 mi e of Alturas (Dorris Reservoir); Dorris Reservoir Comment
  CDA14599  Machaeranthera canescens var. shastensis G. D. Barbe 1991-8-27 4438 Modoc roadside Highway 395, 7.3 miles (11.8 km) northeast of Alturas, northeast of Chimny Rock. North Fork Pit River. 1402 Comment
  POM229965  Machaeranthera canescens var. shastensis L. C. Wheeler 1935-8-27 3924 Modoc South Mountain, Devil's Garden 1585 Comment
  CAS-BOT-BC49428  Madia citriodora Bruce Bartholomew 1993-6-14 6649 Modoc 2 km E of County Road 114 on County Road 108, NW of Clear Lake Reservoir. 1320 Comment
  JEPS5970  Madia citriodora Frances D. Payne 1932-6-10 531 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  RSA540054  Madia citriodora Bruce Bartholomew, B. Anderson 1989-6-3 4916 Modoc 5 km W of County Route 91 along the N side of the Pit River. 1340 Comment
  CAS-BOT-BC49439  Madia exigua Bruce Bartholomew 1990-6-18 5381 Modoc Turner Creek at County Rd 90, N end of Big Valley, 6.4 km N of Lassen County border. 1230 Comment
  JEPS114390  Madia glomerata Lowell Ahart, John Dittes 2008-8-25 15296 Modoc On the west side of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout 1273 Comment
  UCR57895  Madia glomerata R. D. Goeden, Don W. Ricker 1989-8-23 890823- 21 Modoc Warner Mtns., Modoc National Forest, Fandango Pass Rd, near Warner Mtn, west of Pass 1616 Comment
  POM312519  Madia glomerata H. L. Mason 1947-8-11 13496 Modoc On Highway 81, west margin of Lower Lake, near boundary between Lassen and Modoc counties. Comment
  RSA520494  Madia glomerata Bruce Bartholomew 1989-8-10 5043 Modoc Little Hot Springs Valley, 3.9 km NW of Day 1070 Comment
  CAS-BOT-BC49419  Madia gracilis Bruce Bartholomew 1990-6-15 5210 Modoc Kelly Spring, 5.5 km SSE of Hwy 299 on road from Rush Creek. 1640 Comment
  POM204105  Madia gracilis subsp. gracilis J. T. Howell 1934-6-12 12025 Modoc Warner Mountains: Plum Valley Comment
  NY500373  Mahonia repens B. M. Bartholomew 1988-5-13 4175 Modoc 0.6 km north of Jess Valley on West Warner Road, west side of the Warner Mountains. Northern Jeffrey pine forest. 1620 Comment
  CAS-BOT-BC242028  Maianthemum racemosum John Thomas Howell 1934-6-11 11954 Modoc Parker Creek. 1584 Comment
  CAS-BOT-BC242035  Maianthemum racemosum Bruce Bartholomew 1991-6-21 5806 Modoc Vicinity of Lily Lake, N end of the Warner Mountains. 2030 Comment
  CAS-BOT-BC242167  Maianthemum stellatum E. S. Willits 1940-5-6 220 Modoc Lassen Creek, Willow Ranch. Comment
  POM312927  Maianthemum stellatum Verne Grant, Irving Schneider 1947-7-22 8141 Modoc North Fork of Pit River on Highway 395. About 1 mile north of junction with Cedarville Road. Comment
  RSA210805  Maianthemum stellatum Robert F. Thorne, James Henrickson, C. W. Tilforth 1969-9-4 39126 Modoc N Fork of Pit River 3.4 mi N of Alturas where crossed by Highway 395. 1341 Comment
  CAS-BOT-BC49383  Malacothrix glabrata Bruce Bartholomew 1993-6-13 6620 Modoc E of Eagleville on E side of Surprise Valley between the valley floor and the Nevada border. 1400 Comment
  UC18742  Malva neglecta M. S. Baker and Frank Nutting 1894-6-4 Modoc Little Hot Spring Valley Comment
  CAS-BOT-BC30190  Marsilea vestita Bruce Bartholomew 1991-7-5 5936 Modoc Vicinity of the outlet of Dorris Brothers Reservoir. 1500 Comment
  JEPS65520  Medicago lupulina Frances D. Payne 1931-6-17 178 Modoc s and e of Alturas (Warner Mountains, Parker Creek); Warner Mountains, Parker Creek 1584 Comment
  HSC1666  Melica bulbosa M. T. Milligan 1965-7-1 412 Modoc Plateau W of Jess Valley. 1829 Comment
  UC1024894  Melica fugax Leo Whitney 1935-5-24 3120 Modoc ca 15 mi nw Canby (Hackamore); Modoc National Forest, Hackamore 1463 Comment
  SEINET191484 Image available Melica stricta var. stricta M. Ownbey, FG Meyer 1940-7-1 2152 Modoc Cedar Peak Warner Mts. Comment
  UCD88622  Melica subulata August L. Hormay 1932-7-17 s.n. Modoc Lily Lake. Comment
  CAS-BOT-BC179866  Mentha arvensis Verne Grant; I. Schneider 1947-7-18 8050 Modoc Eastside canal, 5 mi. N of Bayley's bridge, S of Alturas. Comment
  UC70386  Mentha canadensis Milo S. Baker July 1898 539 Modoc Forestdale Comment
  HSC15844  Mentzelia albicaulis M. T. Milligan 1965-7-1 404 Modoc Plateau W of Jess Valley. 1829 Comment
  CAS-BOT-BC179133  Mentzelia dispersa R. M. Austin; C. C. (Mrs.) Bruce 1898-6-1 2367 Modoc Goose Lake. Comment
  CAS-BOT-BC179144  Mentzelia dispersa Bruce Bartholomew; Barrett Anderson 1988-6-23 4266 Modoc 1.8 km WSW of Day on County Road 94. 1170 Comment
  CAS-BOT-BC179142  Mentzelia dispersa Belknap C. Goldsmith 1912-7-1 59 Modoc Modoc County. 1219 Comment
  POM84012  Mentzelia dispersa R. M. Austin 1895-08 100 Modoc Goose Lake Valley Comment
  CAS-BOT-BC179124  Mentzelia laevicaulis E. S. Willits 1939-10-10 155 Modoc Surprise Valley. Comment
  RSA59941  Mentzelia laevicaulis E. K. Balls 1950-5-13 14663 Modoc Goose Lake, east shore about Willow Ranch. 1463 Comment
  CAS-BOT-BC179122  Mentzelia montana John Thomas Howell 1934-6-30 12263 Modoc Duncan Horse Camp. 1355 Comment
  SEINET255583  Mentzelia montana Unknown 1946-6-12 4736 Modoc Fandango Pass road. 1676 Comment
  CAS-BOT-BC179112  Mentzelia veatchiana Bruce Bartholomew 1991-5-24 5707 Modoc Surprise Valley, E of Eagleville at the Nevada State boundary. 1520 Comment
  CAS-BOT-BC179114  Mentzelia veatchiana Milo Samuel Baker 1893-7-5 Modoc Egg Lake. 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
  JEPS20795  Menyanthes trifoliata Frances D. Payne 1929-7-26 121 Modoc 2 mi sw of Mount Warren (Pine Creek Basin, southeastern Modoc County); Pine Creek Basin 2133 Comment
  CHSC109745  Mertensia ciliata B. Castro; L. P. Janeway 2012-7-28 1982 Modoc Warner Mountains. Along the major eastern tributary of Pine Creek where the road to Poison Lake crosses it (the road washed out here). 1943 Comment
  RSA182939  Mertensia oblongifolia Clare B. Hardham 1961-6-18 7585 -c Modoc Cedar Pass. 1829 Comment
  NY1084274  Mertensia oblongifolia E. Joyal 1988-6-28 1293 Modoc North Warner Mountains, ridge road Comment
  RSA152439  Mertensia oblongifolia I. L. Wiggins, Dorothy Wiggins 1961-6-12 16431 -A Modoc Mountainside near summit of Cedar Pass, between Alturas and Cedarville Comment
  RSA25343  Mertensia oblongifolia var. amoena C. L. Hitchcock 1940-5-27 6663 Modoc 12 miles NE of Alturas. 1616 Comment
  CAS-BOT-BC54019  Mertensia oblongifolia var. oblongifolia C. C. (Mrs.) Bruce 1899-7-1 2260 Modoc Modoc County. Comment
  CAS-BOT-BC225962  Micranthes nidifica Annie Montague Alexander; L. Kellogg 1946-6-15 4779 Modoc Deep Creek. 2194 Comment
  CAS-BOT-BC225964  Micranthes nidifica Bruce Bartholomew; Mona Bourell 1990-4-27 5171 Modoc NW side of Rice Flat, ca. 2 km S of Adin Pass. 1540 Comment
  CAS-BOT-BC49363  Microseris nutans John Thomas Howell 1934-6-13 12057 Modoc Fandango Pass. 1828 Comment
  CAS-BOT-BC49396  Microseris nutans Bruce Bartholomew; Barrett Anderson 1989-6-2 4782 Modoc Top of Fandango pass, Warner Mountains. 1870 Comment
  CAS-BOT-BC49397  Microseris nutans Elmer Ivan Applegate 1932-8-1 8005 Modoc Mill Creek Meadows, western slope of Warner Mts. Comment
  RSA504658  Microseris nutans Bruce Bartholomew, B. Anderson 1988-7-23 4580 Modoc Dismal Swamp, Warner Mountains. 2180 Comment
  CAS-BOT-BC197902  Microsteris gracilis Bruce Bartholomew; Barrett Anderson 1989-4-29 4673 Modoc 6.4 km E of Fort Bidwell on road to Fee Reservoir, NE corner of Surprise Valley. 1460 Comment
  UC748145  Mimulus arvensis Annie M. Alexander and Louise Kellogg 1946-6-18 4800 Modoc Patterson Mill-Silver Creek roads 1828 Comment
  JEPS127152  Mimulus breviflorus Lowell Ahart, John Dittes 2016-7-16 21239 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
  UC1736359  Mimulus breviflorus Dean W. Taylor 1987-6-24 9055 Modoc Egg Lake, along the inlet stream in the extreme SE porton of the lakebed (a large marsh and meadow complex) 1280 Comment
  SEINET3365878 Image available Mimulus breweri Arthur Cronquist, Arthur H. Holmgren 1959-6-20 8520 Modoc Cedarville Pass; Warner Mountains between Cedarville and Alturas 1920 Comment
  UC125255  Mimulus breweri Mrs. R. M. Austin Sept. 1894 Modoc Cedarville Canyon Comment
  JEPS11547  Mimulus guttatus W. L. Jepson 1918-8-12 7955 Modoc Jess Valley 1584 Comment
  SBBG10583  Mimulus guttatus D. Myrick 1968-6-20 1975 Modoc Davis Crk on US Hwy 395, 15 mi N of Alturas 1524 Comment
  UC1602795  Mimulus guttatus Milo S. Baker 1893-7-2 Modoc Comment
  HSC20768  Mimulus lewisii M. T. Milligan 1967-7-9 669 Modoc E of Jess Valley 1768 Comment
  UC445163  Mimulus nanus var. jepsonii Franklin P. Nutting 1893-6-8 Modoc near Egg Lake Comment
  RSA165594  Mimulus nanus var. nanus Clare B. Hardham 1961-6-19 7841 Modoc Willow Creek. Warner Mountains. 1677 Comment
  UC726427  Mimulus nanus var. nanus A. A. Heller 1941-6-25 16196 Modoc a short distance e U. S. Highway #395 (on the Cedarville road) Comment
  UC998319  Mimulus nanus var. nanus Milo S. Baker 1936-6-14 8312 Modoc a few mi n Quarantine Station (along Malin-Canby highway) Comment
  UC27804  Mimulus primuloides Milo S. Baker 1893-7-2 Modoc near Forestdale Comment
  HSC80803  Mimulus primuloides var. primuloides G. M. Riegel 1980-8-6 997 Modoc S Warner Mtns. 2100 Comment
  RSA550575  Mimulus pulsiferae Bruce Bartholomew, B. 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
  SBBG98583  Mimulus pygmaeus D. M. Thompson 1988-6-3 927 Modoc Egg Lake, S end; between Kramer Reservoir and White Horse-Lookout Rd along intermittent stream; 2.3 rd mi W of railroad crossing 1299 Comment
  UC748170  Mimulus suksdorfii Annie M. Alexander and Louise Kellogg 1946-7-24 5078 Modoc Bear Camp Flat Warner Mountains 2286 Comment
  UC27128  Mimulus tricolor Milo S. Baker 1893-6-10 Modoc Forestdale Comment
  CAS-BOT-BC225801  Mitella pentandra Leland S. Smith 1917-8-3 150 Modoc South Fork Davis Creek. 1828 Comment
  HSC63629  Monardella glauca J. P. Smith, J. O. Sawyer 1973-8-8 7238 Modoc S slopes of Eagle Peak 2561 Comment
  RSA583125  Monardella odoratissima Louis C. Wheeler 1935-8-14 3841 Modoc Pine Creek. Warner Mtns. 2012 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
  HSC93616  Monardella odoratissima subsp. odoratissima James D. Jokerst 1990-8-1 3206 Modoc Lava Beds National Monument, summit and upper W facing slope of Caldwell Minor near E edge of monument boundary 1402 Comment
  CAS-BOT-BC179358  Monardella odoratissima subsp. pallida Belknap C. Goldsmith 1912-7-1 58 Modoc Little Hot Spring Valley. 1219 Comment
  CAS-BOT-BC179361  Monardella odoratissima subsp. pallida Elmer Ivan Applegate 1932-8-1 7997 Modoc N of Mill Creek Meadows. Comment
  RSA520430  Monolepis pusilla Bruce Bartholomew, B. Anderson 1989-6-2 4813 Modoc SE corder of Upper Alkali Lake, E side of Surprise Valley. 1400 Comment
  HSC80773  Montia chamissoi G. M. Riegel 1980-7-30 976 Modoc S Warner Mtns. 2100 Comment
  JEPS43253  Montia chamissoi Milo S. Baker 1893-7-1 Modoc 1371 Comment
  CAS-BOT-BC197513  Montia fontana Bruce Bartholomew 1992-5-15 6297 Modoc N end of Surprise Valley, S of Cow Head Lake. 1600 Comment
  NY497765  Montia fontana B. M. Bartholomew 1989-6-2 4845 Modoc Vicinity of Stough Reservoir, Warner Mountains 1950 Comment
  POM260459  Montia fontana C. L. Hitchcock 1940-5-27 6697 Modoc 12 miles NE of Alturas. 1616 Comment
  JEPS79204  Montia linearis L. R. Heckard with R. C. Bacigalupi 1980-6-10 5225 Modoc sw margin of Egg Lake (now dry) Egg Lake Comment
  UC72570  Montia linearis Milo S. Baker 1893-1 Modoc Forestdale Comment
  UCD86622  Muhlenbergia filiformis August L. Hormay 1932-7-15 s.n. Modoc Modoc National Forest, Crowder Ranger Station. Comment
  RSA603670  Muhlenbergia richardsonis L. C. Wheeler 1935-8-21 3901 Modoc Devil's Garden: Pine Spring 1524 Comment
  SEINET4343716 Image available Muhlenbergia richardsonis Unknown 1988-6-18 7609 Modoc West side of Hwy 139 just south of where it crosses railroad at junction to Clear Lake, NE of Dry Lake east of Lava Beds National Monument 1250 Comment
  UC1101592  Muhlenbergia richardsonis Herbert L. Mason 1947-8-8 13467 Modoc sw margin of reservoir nw Alturas; Big Sage Reservoir Comment
  UC1949272  Muhlenbergia richardsonis Barbara Ertter 1988-6-18 7609 Modoc W side Hwy 139 just S of where it crosses railroad at jct to Clear Lake, NE of Dry Lake E of Lava Beds Nat'l Monument Comment
  UC748461  Myosotis scorpioides Annie M. Alexander and Louise Kellogg 1946-6-28 4866 Modoc n. end Warner Mts., Pine Creek Canyon 1615 Comment
  CAS-BOT-BC217292  Myosurus minimus Bruce Bartholomew; Barrett Anderson 1989-6-3 4909 Modoc ca. 6 km NW of Egg Lake and ca. 0.8 km E of Service Flat Gulch. 1370 Comment
  CAS-BOT-BC217294  Myosurus minimus Bruce Bartholomew 1993-6-14 6675 Modoc Open moist flat SW of Stovepipe Flat Tank just N of road between Deer Hill and Duncan Reservoir. 1530 Comment
  UC1738098  Myosurus minimus H. L. Mason 1957-6-3 65 Modoc Margin of pond on Timber Mountain. Comment
  RSA27960  Myriophyllum sibiricum C. L. Hitchcock 1940-5-28 6722 Modoc 15 miles north of Alturas, (near Surprise). 1402 Comment
  CAS-BOT-BC179312  Nama densa Bruce Bartholomew 1993-6-13 6622 Modoc Near Fortynine Creek, E of Cedarville on E side of Surprise Valley. 1400 Comment
  CAS-BOT-BC179314  Nama densa Bruce Bartholomew; Barrett Anderson 1989-6-2 4817 Modoc Sand dunes at the SE corder of Upper Alkali Lake, E side of Surprise Valley. 1400 Comment
  CAS-BOT-BC198013  Navarretia breweri Bruce Bartholomew; Barrett Anderson 1989-6-1 4761 Modoc S end of Goose Lake. 1460 Comment
  JEPS70251  Navarretia breweri Frances D. Payne 1929-7-26 125 Modoc 2 mi sw Warren Peak; Warner Mts., Pine Creek Basin 2286 Comment
  SJSU8659  Navarretia breweri H. L. Buckalew 1961-6-24 Modoc above Stough Reservoir 2-3 mi N of Cedar Pass on Alturas-Cedarville Rd, Warner Mts 2011 Comment
  UC1178897  Navarretia breweri Herbert L. Mason 1947-7-8 13306 Modoc Cedar Pass, summit of Warner Range Warner Range 1920 Comment
  UCD32710  Navarretia breweri Beecher Crampton 1954-7-7 2138 Modoc Modoc County, west side of Cedar Pass. Comment
  UC711872  Navarretia capillaris Roxana S. Ferris and Laura Lorraine 1941-8-13 10554 Modoc Patterson Ranger Station (East Creek drainage) Warner Mountains, Modoc National Forest, East Creek drainage (Modoc National Forest, Warner Mountains) 2164 Comment
  SJSU11503  Navarretia divaricata H. L. Buckalew 1961-6-29 Modoc Stough Reservoir 1 mi N of Cedar Pass on Alturas-Cedarville Rd 1920 Comment
  UC1025101  Navarretia divaricata Leo Whitney 1934-5-27 1846 Modoc near Hackamore; Modoc National Forest 1463 Comment
  UC133705  Navarretia divaricata subsp. vividior Mrs. R. M. Austin Jun 1892 Modoc e of Goose Lake; Warner Mountains Comment
  UC23519  Navarretia divaricata subsp. vividior Milo S. Baker 1894-6-15 Modoc Little Hot Springs Valley Comment
  CAS-BOT-BC197992  Navarretia intertexta subsp. intertexta Clare Butterworth Hardham 1974-8-6 20173 Modoc Cedar Pass, Warner Mts. 1935 Comment
  CAS-BOT-BC197994  Navarretia intertexta subsp. intertexta Bruce Bartholomew 1990-8-3 5609 Modoc Ash Creek Wildlife Refuge, ca. 2.5 km S of County Road 87 and 7 km W of Adin. 1250 Comment
  CHSC116104  Navarretia intertexta subsp. intertexta Lowell Ahart; John Dittes 2015-7-16 20380 Modoc North edge of Ash Creek (destroyed), southeast of gravel pit (destroyed), about 1/8 mile east of parking area on east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  CAS-BOT-BC197980  Navarretia intertexta subsp. propinqua Alice Eastwood; John Thomas Howell 1940-6-14 8229 Modoc 8 mi. NW of Canby. Comment
  CAS-BOT-BC197989  Navarretia intertexta subsp. propinqua Annie Montague Alexander; L. Kellogg 1946-7-7 4932 Modoc Eight Mile Creek, NE corner of county. 1752 Comment
  CAS-BOT-BC197973  Navarretia leucocephala subsp. leucocephala Bruce Bartholomew; Barrett Anderson 1988-6-23 4248 Modoc 4.2 km NW of Day. 1020 Comment
  CAS-BOT-BC197963  Navarretia leucocephala subsp. minima Bruce Bartholomew 1995-6-4 6967 Modoc 6.3 km NW of Country Road 91 on County Road 93 between Lookout and Egg Lake. 1260 Comment
  UC908645  Navarretia leucocephala subsp. minima Louis C. Wheeler 1935-8-2 3746 Modoc Twelve-mile Creek Warner Mts. 2194 Comment
  SJSU9533  Navarretia leucocephala subsp. minima W. Savage 1979-6-20 1270 Modoc S margin of Bottle Cr Reservoir, Triangle, Devils Garden District, Modoc National Forest 1493 Comment
  RSA83300  Navarretia sinistra Verne Grant, Alva Grant 1947-7-13 8015 Modoc Fandango Pass, Warner Mountains. Comment
  CAS-BOT-BC179307  Nemophila breviflora Bruce Bartholomew 1994-7-2 6812 Modoc E of Bald Mtn. on E side of the Warner Mountains. 2230 Comment
  RSA76028  Nemophila breviflora Lincoln Constance 1938-6-12 2332 Modoc Edge of Thombs Creek at foot of Bonner Grade, Cedar Pass Road, 13.4 miles NE of Alturas, western foothills of the Warner Range 1524 Comment
  SJSU9558  Neoholmgrenia andina W. Savage 1979-7-3 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  SEINET3994854  Neoholmgrenia andina M. J. Williams 1984-7-1 84- 87 -4 Modoc NW of Alturas, Crowder Flat road, near the Big Sage Reservoir 1372 Comment
  UC25540  Nepeta cataria Milo S. Baker 1894-8-25 Modoc Forestdale 1371 Comment
  CAS-BOT-BC349857  Nestotus stenophyllus Mrs. C. C. Bruce 1898-6-1 2184 Modoc Lake City Mt Comment
  CHSC34509  Nicotiana attenuata J. D. Prouty 1980-8-9 1148 Modoc Ca. 2 mi e of Cedarville, n side of Rd 299 as it intersects w margin of Middle Alkali Lake. Comment
  JEPS114499  Nicotiana attenuata Lowell Ahart, John Dittes 2008-8-25 15319 Modoc On the east bank of the Pit River (flood plain), about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout 1273 Comment
  JEPS117369  Nicotiana attenuata Lowell Ahart, John Dittes 2010-8-30 17081 Modoc Parking Area west of the old barn, on the west side of Elkins Lane, Ash Creek State Wildlife area, 320 feet north of Lassen County Line, about 4.4 miles (air) west of Adin, about 7.2 miles (air) northeast of Bieber, Big Valley 1266 Comment
  JEPS121204  Nicotiana attenuata Lowell Ahart, John Dittes 2013-7-25 18970 Modoc Elkins Lane, Ash Creek Wildlife Area, 320 feet N of Lassen County line, about 4.4 air miles W of Adin, about 7.2 air miles NE of Bieber, Big Valley. Comment
  HSC26506  Nothocalais troximoides J. P. Smith, J. O. Sawyer 1972-5-6 5254 Modoc FS road to Quail Spring at Hwy. 299, N of Adin 1463 Comment
  UC682107  Nothocalais troximoides G. L. Stebbins Jr. with A. A. Beetle 1942-5-30 3245 Modoc 8 mi nw Canby (on road to Tule Lake) 1554 Comment
  UC20417  Oenothera elata subsp. hirsutissima Mrs. R. M. Austin Jul 1898 163 Modoc Goose Lake 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
  UC726198  Oenothera flava subsp. flava A. A. Heller 1941-6-26 16210 Modoc along US Hwy 299 five mi w Alturas Comment
  CAS-BOT-BC245089  Olsynium douglasii var. douglasii K. Paulson; Robert Paulson 1991-5-25 216 Modoc Near Fletcher Creek. 1584 Comment
  CAS-BOT-BC245092  Olsynium douglasii var. douglasii Belknap C. Goldsmith 1913-5-13 95 Modoc W side of Warner Mts. near Willow Ranch. 1584 Comment
  CAS-BOT-BC245094  Olsynium douglasii var. douglasii R. L. Ward 1976-5-18 s.n. Modoc unspecified 1508 Comment
  UC4247  Olsynium douglasii var. douglasii Mrs. R. M. Austin 1894-5-1 Modoc Lake City Pass Comment
  UCD138861  Olsynium douglasii var. douglasii Geo. C. Wood 1940-4-25 s.n. Modoc Davis Creek. Comment
  CHSC112843  Onopordum acanthium subsp. acanthium Lowell Ahart; John Dittes 2013-7-24 18945 Modoc South high bank of Ash Creek Canal, south of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. 1272 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
  CAS-BOT-BC190788  Orobanche uniflora Bruce Bartholomew 1990-6-17 5345 Modoc 4 km N of Buck Creek Ranger Station at turn off to Del Prat Spring, W side of Warner Mts. 1900 Comment
  SJSU8384  Orobanche uniflora R. L. Fisher 1958-6-13 Modoc near Adin Pass c. 6 mi S of Canby 1524 Comment
  UC27899  Orobanche uniflora subsp. occidentalis M. S. Baker and Frank Nutting 1894-6-8 Modoc Near Egg Lake. Comment
  UC412736  Orthilia secunda Franklin P. Nutting Modoc Forestdale Comment
  RSA165574  Orthocarpus attenuatus Clare B. Hardham 1961-6-18 7804 Modoc Lava flows, north fork Pitt R. 3.3 miles SW Cedar Pass Rd. 1372 Comment
  CAS-BOT-BC232177  Orthocarpus cuspidatus subsp. copelandii Elmer Ivan Applegate 1932-8-1 7994 Modoc Arid ridge N of Mill Creek Meadow. Comment
  CAS-BOT-BC232323  Orthocarpus cuspidatus subsp. copelandii Louis Cutter Wheeler 1935-8-2 3751 Modoc Twenty Mile Creek, Warner Mountains 2225 Comment
  UC71735  Orthocarpus cuspidatus subsp. cryptanthus Mrs. M. H. Manning August, 1903 286 Modoc Mt. Bidwell; ne Modoc County Comment
  JEPS9434  Orthocarpus cuspidatus subsp. cryptanthus Mary H. Manning 1907-1 712 a Modoc e side Mt. Bidwell (on Twelve-mile Creek); Mt. Bidwell (e side), on Twelve-mile Creek Comment
  UC735036  Osmorhiza berteroi Lincoln Constance 1946-7-4 3103 Modoc Deep Creek 3.4 mi below summit; Warner Mountains 1828 Comment
  CHSC85409  Osmorhiza chilensis John Dittes; Josephine Guardino 1991-8-24 463 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
  CAS-BOT-BC15749  Osmorhiza occidentalis John Thomas Howell 1934-6-11 11948 Modoc Parker Creek. 1584 Comment
  NY1101854  Osmorhiza occidentalis B. Anderson 1986-7-9 3152 Modoc Warner Mountains. Hwy 299 just west of Cedar Pass. 1920 Comment
  CAS-BOT-BC50309  Packera cana Roxana Stinchfield Ferris; L. Lorraine 1941-8-14 10612 Modoc Summit of Fandango Pass, on road between Fort Bidwell and Pine Creek, Warner Mountains, Modoc National Forest 1889 Comment
  CAS-BOT-BC50349  Packera cana Harry Dwight Dillon Ripley; Rupert Charles Barneby 1944-5-31 5995 Modoc NW of Alturas. 1524 Comment
  CHSC109210  Packera cana L. P. Janeway; B. Castro 2012-7-24 10966 Modoc Warner Mountains. Along Forest Road/County Road 2 (the road from New Pine Creek to Fort Bidwell) 1.0 air km west of Lily Lake and 1.4 air km northwest of Yellow Mountain. 1948 Comment
  UC748191  Packera cana Annie M. Alexander and Louise Kellogg 1946-7-23 5044 Modoc e slope Emerson Peak; Warner Mountains, e slope Emerson Peak Comment
  SJSU9569  Packera subnuda var. subnuda W. Savage 1979-7-3 1317 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
Read comments Jul 30 2012
  CAS-BOT-BC190777  Paeonia brownii Frances Payne 1929-7-7 48 Modoc Pine Creek Basin, Warner Mts. 2316 Comment
  RSA59737  Paeonia brownii E. K. Balls 1950-5-20 14795 Modoc South Fork Public Camp, South Fork Pit River, Likely to Clear Lake. 1433 Comment
  CHSC115593  Panicum capillare Lowell Ahart; John Dittes 2015-7-16 20392 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
  UC18066  Paxistima myrsinites Milo S. Baker 1893-6 Modoc Forestdale Comment
  CAS-BOT-BC232313  Pedicularis attollens F. D. Parker 1931-6-12 153 Modoc Parker Creek, Warner Mountains 1584 Comment
  UC27296  Pedicularis attollens Mrs. R. M. Austin Aug. 1894 Modoc Davis Creek Comment
  CAS-BOT-BC232301  Pedicularis groenlandica subsp. surrecta Francis Dorris Payne 1929-7-7 66 Modoc Pine Creek Basin, Warner Mountains 2316 Comment
  JEPS11491  Penstemon cinicola L. S. Smith 1918-6-22 947 Modoc n end Warner Mts. Modoc National Forest, n end Warner Mts. (High Grade District) 2286 Comment
  UC27427  Penstemon cinicola M. S. Baker and Frank Nutting 1894-1 Modoc Egg Lake Comment
  HSC72471  Penstemon davidsonii J. P. Smith, J. O. Sawyer 1973-8-8 7233 Modoc Near summit of Eagle Peak 2988 Comment
  RSA11920  Penstemon davidsonii Elmer I. Applegate 1932-8-3 8120 Modoc high area summit of Lower mountains just north of Eagle Peak. Comment
  POM128328  Penstemon davidsonii subsp. davidsonii M. French Gilman s.n. Modoc [No location information provided.] Comment
  CAS-BOT-BC232343  Penstemon davidsonii var. davidsonii Bruce Bartholomew 1995-7-31 7104 Modoc E side of the Warner Mts. near crest and just N of the headwaters of the S fork of Davis Creek. 2320 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
  UC1012482  Penstemon deustus var. deustus Francis W. Pennell 1940-6-7 25730 Modoc Route 299, 6 mi ne Adin; ne of Adin 1402 Comment
  UC190596  Penstemon deustus var. deustus M. F. Gilman 503 Modoc 1676 Comment
  CAS-BOT-BC232332  Penstemon deustus var. pedicellatus John H. Hatton 1911-6-22 138 Modoc Huffman Ranch. 1615 Comment
  CAS-BOT-BC232334  Penstemon deustus var. pedicellatus C. C. (Mrs.) Bruce 1899-1-1 2206 Modoc Mt. Comment
  CAS-BOT-BC245537  Penstemon gracilentus John Thomas Howell 1934-6-14 12176 Modoc Patterson Mill Road 2133 Comment
  CAS-BOT-BC245541  Penstemon gracilentus Elmer Ivan Applegate 1932-7-31 7959 Modoc Mill Creek Meadow, Warner Mountains Comment
  NY600739  Penstemon gracilentus M. Bourell 1993-8-15 5280 Modoc South Warner Wilderness Area. Warner Mountains. Along trail from Patterson Lake to ca. 2 miles north toward Pepperdine Trailhead. 2438.4 Comment
  JEPS11462  Penstemon heterodoxus var. shastensis Franklin P. Nutting 1894-6-8 Modoc near Egg Lake (Northern California); wet adobe flats near Egg Lake Comment
  CAS-BOT-BC245521  Penstemon humilis var. humilis Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-15 16503 Modoc 22 mi. W of Canby along Hwy 139. Comment
  CAS-BOT-BC245511  Penstemon laetus var. sagittatus Mrs. H. C. Cantelow 1935-6-8 983 Modoc 26 mi. S of Oregon-Cal. boundary line. Comment
  NY650135  Penstemon roezlii C. L. Hitchcock 1940-5-28 6719 Modoc 15 miles north of Alturas (near Surprise) 1402.1 Comment
  POM260431  Penstemon roezlii C. Leo Hitchcock 1940-5-27 6651 Modoc 9 miles northeast of Alturas. 1402 Comment
  CAS-BOT-BC245492  Penstemon rydbergii var. oreocharis Alice Eastwood; John Thomas Howell 1940-6-12 8065 Modoc Between Likely and Jess Valley. Comment
  CAS-BOT-BC245503  Penstemon rydbergii var. oreocharis Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-13 16449 Modoc Southern outskirst of Fort Bidwell. Comment
  UC748179  Penstemon rydbergii var. oreocharis Annie M. Alexander and Louise Kellogg 1946-6-14 4749 Modoc Silver Creek branch of Patterson Mill road 1828 Comment
  UC748181  Penstemon rydbergii var. oreocharis Annie M. Alexander and Louise Kellogg 1946-6-12 4728 Modoc Fort Bidwell Fort Bidwell (in meadow) 1444 Comment
  CAS-BOT-BC245550  Penstemon speciosus Elmer Ivan Applegate 1932-8-1 8037 Modoc High arid summit of Warner Mts. S of Warren Peak. Comment
  CAS-BOT-BC245559  Penstemon speciosus L. Mott 1976-5-29 4 LM76 Modoc Devil's Garden, N of Alturas. 1402 Comment
  CAS-BOT-BC245562  Penstemon speciosus Leland S. Smith 1924-5-31 1348 Modoc Egg Lake Ranch S and near timber. 1310 Comment
  CAS-BOT-BC248310  Penstemon speciosus B. Bartholomew; H. Sun 2002-6-24 8851 Modoc E of Bald Mt., on the E side of the Warner Mountains 2130 Comment
  RSA401880  Penstemon speciosus Christopher Davidson 1975-6-4 2613 Modoc 1/4 mi. W of Cedarville on Hwy 299. 1463 Comment
  SJSU7655  Penstemon speciosus R. L. Fisher 1958-6-13 Modoc Hwy 299 c. 10 mi W of Alturas Comment
  CAS-BOT-BC140471  Peraphyllum ramosissimum Malcom A. Nobs; S. Galen Smith 1949-5-29 766 Modoc East of Kelley Hot Springs Comment
  CAS-BOT-BC214731  Peraphyllum ramosissimum Elmer Ivan Applegate 1897-6-5 849 Modoc Along Pit River below Alturas. Comment
  CHSC39009  Perideridia oregana J. D. Jokerst 1983-7-12 1837 Modoc Immediately east of a large vernal lake that is just south of the jct. of Hwy 139 and Loveness Rd. 1478 Comment
  UC1390004  Perideridia oregana A. S. Barclay, R. D. Barbee, K. E. Blum and S. D. Koch 1962-7-19 1399 Modoc on US Hwy 395 18 mi n Alturas 1371 Comment
  HSC3886  Peritoma platycarpa M. T. Milligan 1964-6-20 65 Modoc 4 mi. N on Pencil Rd. from Hwy. 395 1372 Comment
  CAS-BOT-BC218154  Persicaria maculosa Bruce Bartholomew 1990-8-3 5599 Modoc Ash Creek Wildlife Refuge, ca. 2.5 km S of County Road 87 and 7 km W of Adin. 1250 Comment
  CHSC117506  Persicaria maculosa Lowell Ahart; John Dittes 2016-7-14 21190 Modoc South of Ash Creek Canal (now filled in), south of Ash Creek, Ash Creek State Wildlife Area, 0.79 mille (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. 1273 Comment
  UC1051789  Phacelia L. R. Heckard 1952-6-19 312 a Modoc just below summit of Fandango Pass (sw of Fort Bidwell); Warner Mountains 1828 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
  UC711860  Phacelia hastata Roxana S. Ferris and Laura Lorraine 1941-8-13 10514 Modoc Patterson Ranger Station Warner Mts., Modoc National Forest, East Creek drainage 2164 Comment
  CAS-BOT-BC179268  Phacelia hastata subsp. hastata Alice Eastwood; John Thomas Howell 1940-6-13 8174 Modoc Cedarville. Comment
  HSC81101  Phacelia heterophylla G. M. Riegel 1980-6-30 776 Modoc S Warner Mtns. 1670 Comment
  CAS-BOT-BC180007  Phacelia heterophylla subsp. virgata Alice Eastwood; John Thomas Howell 1940-6-14 8240 Modoc Between Mammoth Cave and Lava Beds Nat. Mon. Comment
  CAS-BOT-BC180012  Phacelia heterophylla subsp. virgata M. M. Hanna 1956-6-5 Modoc Cedar Pass. Comment
  CAS-BOT-BC180014  Phacelia heterophylla subsp. virgata Gordon H. True 1964-6-3 1446 Modoc Surprise Valley, ca. 10 Mi. N of Cedarville. 1463 Comment
  HSC13666  Phacelia heterophylla subsp. virgata M. T. Milligan 1964-6-20 72 Modoc 1 mi. E of Hwy. 395 on Hwy. 299 1524 Comment
  RSA427984  Phacelia heterophylla subsp. virgata Christopher Davidson 1975-6-4 2594 Modoc 0.4 mile east of Highway 395 on Highway 299 toward Cedarville. Fenced pasture on south side of road. 1380 Comment
  UC24489  Phacelia heterophylla subsp. virgata Geo. H. Boke 1890-1 Modoc Comment
  CDA40368  Phacelia humilis John Elliot 1975-8-3 150 Modoc Benton Meadows, Modoc National Forest, north of Lake City. 0 Comment
  UC133064  Phacelia humilis Mrs. R. M. Austin June 1884 Modoc mts. e Goose Lake Val. Comment
  CAS-BOT-BC179978  Phacelia humilis var. humilis Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16416 Modoc Near summit of Cedar Pass. 1935 Comment
  CAS-BOT-BC179987  Phacelia humilis var. humilis D. E. (Mrs. A. A. Beetle) Beetle 1941-6-29 65 Modoc Road to Cedarville, at pass. 2118 Comment
  CAS-BOT-BC179995  Phacelia humilis var. humilis K. Paulson; Robert Paulson 1988-6-11 29 Modoc N of Stough Reservoir, Warner Mts.. 1706 Comment
  POM299083  Phacelia humilis var. humilis Alice Eastwood, J. T. Howell 1940-6-13 8185 Modoc West side of Cedar Pass. Comment
  CAS-BOT-BC179968  Phacelia inundata Bruce Bartholomew 1991-5-24 5708 Modoc Surprise Valley, E of Eagleville at the Nevada State boundary. 1520 Comment
  CHSC67113  Phacelia inundata James D. Jokerst 1987-5-12 2852 Modoc Radar Survey Site S of Doublehead Mtn., N end of central sector, NE of road. Comment
  HSC30191  Phacelia linearis D. H. Norris, T. Nelson, S. Dowty 1971-6-23 19376 Modoc Along the S Fork of the Pit River, ~6 mi. E of Likely. Comment
  UC526140  Phacelia linearis John Thomas Howell 1934-6-13 12081 Modoc Fandango Pass Warner Mts. 1828 Comment
  SEINET3158189  Phacelia linearis L. S. Rose 1940-6-14 40584 Modoc Mammoth Cave, 5 miles W of Perez 1280 Comment
  UC24394  Phacelia linearis Milo S. Baker 1893-7-5 Modoc Lava beds Comment
  CAS-BOT-BC179940  Phacelia mutabilis John Thomas Howell june 13, 1934 12047 Modoc Fandango Pass 1828 Comment
  SEINET5506815  Phacelia purpusii M. J. Williams 1968-6-1 s.n. Modoc Warner Mountains, Cedar Pass 1920 Comment
  CAS-BOT-BC179929  Phacelia ramosissima var. eremophila John Thomas Howell 1934-6-13 12071 Modoc Fandango Pass. 1828 Comment
  CAS-BOT-BC179936  Phacelia ramosissima var. ramosissima Francis Marion Ownbey; Frederick Gustav Meyer 1940-7-1 2156 Modoc Cedar Peak. Comment
  CAS-BOT-BC248349  Phacelia sericea var. ciliosa B. Bartholomew; H. Sun 2002-6-24 8832 Modoc Ca. 1 km NW of Bald Mt., E side of the Warner Mountains 2290 Comment
  JEPS1335  Phacelia sericea var. ciliosa L. S. Smith 1918-8-17 1038 Modoc Eagle Pk. Ridge Modoc <National> Forest, Warner Mts. (at Break) 2621 Comment
  UC1561067  Phacelia sericea var. sericea Dean Wm. Taylor with Glenn L. Clifton 1989-8-5 10443 Modoc cirque headwall above South Emerson Lake; Warner Mountains, Emerson Creek drainage 2560 Comment
  NY1056750  Phacelia tetramera B. M. Bartholomew 1995-5-13 6903 Modoc East of Eagleville near Eagleville Airport, south end of Surprize Valley 1390 Comment
  UC791037  Phacelia thermalis Calvin McMillan and Malcolm Nobs 1949-6-16 1533 Modoc Porcupine Valley, ca. 30 miles northwest of Canby Comment
  UC748324  Phacelia thermalis Annie M. Alexander and Louise Kellogg 1946-6-10 4712 Modoc on shore Snake Lake (dry) Comment
  SEINET4691133  Phalaris arundinacea S. C. Swift 1937-6-23 12 Modoc Alturas, grazing district # 2 1280 Comment
  HSC10582  Phleum alpinum M. T. Milligan 1966-7-3 532 Modoc Slopes and ridges E of Jess Valley 1829 Comment
  JEPS74043  Phleum alpinum Frances D. Payne 1932-7-21 726 Modoc edge Patterson Lake (e side Mt. Warren); Warner Mountains, , edge of Patterson Lake Comment
  HSC80827  Phleum pratense G. M. Riegel 1979-7-30 629 Modoc S Warner Mtns. 2100 Comment
  RSA503248  Phleum pratense Bruce Bartholomew, B. Anderson 1988-7-22 4510 Modoc SE side of Sunflower Know, southern end of the Warner Mtns. 2160 Comment
  UC1191211  Phlox austromontana F. H. Frost 1925-5-24 5 Modoc e slope Steamboat Canyon; Warner Mountains Comment
  CAS-BOT-BC197947  Phlox diffusa Bruce Bartholomew; Mona Bourell 1990-4-27 5169 Modoc NW side of Rice Flat, ca. 2 km S of Adin Pass. 1540 Comment
  CAS-BOT-BC197956  Phlox diffusa Bruce Bartholomew; Barrett Anderson 1989-4-28 4648 Modoc 8.8 km N of State Highway 299 on road to Raker & Thomas Reservoir. 1470 Comment
  JEPS69976  Phlox diffusa Frances D. Payne 1931-6-29 291 Modoc e slope Warren Peak; Warner Mountains 2286 Comment
  SEINET3145512  Phlox douglasii E. K. Balls 1950-5-10 15959 Modoc Hwy. 395, 5.5 mi NE of Alturas, 0.5 mi before junction 1524 Comment
  RSA488038  Phlox douglasii subsp. rigida Bruce Bartholomew, B. Anderson 1988-5-12 4128 Modoc 13 km NNE of Adin on State Highway 229 at turnoff to Higgins Flat on USFS road 41N11. 1440 Comment
  UC449806  Phlox gracilis Franklin P. Nutting Modoc near Egg Lake 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
  CHSC116361  Phlox hoodii subsp. canescens J. R. Keck Jr.; Wright 1991-5-30 PDR 725210 Modoc Tionesta; Modoc National Forest. 1311 Comment
  CAS-BOT-BC58309  Phoenicaulis cheiranthoides Bruce Bartholomew; Barrett Anderson 1989-4-27 4641 Modoc Dutch Flat, NW of Adin. 1390 Comment
  HSC26170  Phoenicaulis cheiranthoides D. H. Norris, T. Nelson, S. Dowty 1971-6-23 19413 Modoc Along Hager Basin Rd. near Big Sage Reservoir. Comment
  UC117652  Phoenicaulis cheiranthoides unknown Apr. 1890 465 Modoc Goose Lake Valley Comment
  UCD116138  Phoenicaulis cheiranthoides Alan A. Beetle 1941-6-29 2831 Modoc Near summit of Cedarville Pass. 2118 Comment
  CAS-BOT-BC135158  Phoradendron juniperinum Francis D. Payne 1935-7-28 804 Modoc Parker Creek 1676 Comment
  CAS-BOT-BC245224  Phoradendron juniperinum K. Paulson; Robert Paulson 1991-5-25 218 Modoc Householder Reservoir. 1639 Comment
  CHSC112775  Pilularia americana Lowell Ahart; John Dittes 2013-7-24 18924 Modoc Around a man made pond, north side of Ash Creek Floodplain, 0.54 mile (air) southeast of Pilot Butte Parking Area, 1.1 miles (air) south of County Road 87, 6.8 miles (air) west of Adin, Big Valley. 1263 Comment
  CAS-BOT-BC73416  Pinus albicaulis Elmer I. Applegate 1932-8-3 8131 Modoc Summit of Eagle Peak, Warner Mountains. 3019 Comment
  CAS-BOT-BC73417  Pinus albicaulis A. D. Borden 1911-8-1 s.n. Modoc S. fork of Parker Creek. Comment
  RSA6893  Pinus albicaulis Elmer I. Applegate 1932-7-9 7587 Modoc Near summit of Bidwell Mountain, Warner Range. Comment
  UC401393  Pinus albicaulis W. P. Taylor and H. C. Bryant 1910-7-1 Modoc Summit of Warren Pk. Warner Mountains, Summit of Warren Pk. 2926 Comment
  HSC46343  Pinus contorta var. murrayana J. P. Smith, J. O. Sawyer 1973-8-8 7251 Modoc 1.5 mi. N of Patterson Guard Station on Summit Trail, S Warner Wilderness 2439 Comment
  CAS-BOT-BC73166  Pinus jeffreyi Elmer I. Applegate 1932-8-2 8069 Modoc Mill Creek Meadows, west slope Warner Mountains. 2438 Comment
  UC71713  Pinus ponderosa Mrs. M. H. Manning 1903-1-1 11 Modoc e slope of Warner Mts. Warner Mts. (in ne Modoc County) 1828 Comment
  SEINET3874431 Image available Pinus ponderosa var. ponderosa David A. Charlet 1994-7-7 1933 Modoc Warner Mountains near Surprise Valley floor at Lake City turnoff.; 0 1433 Comment
  CAS-BOT-BC21499  Pinus washoensis Bruce Bartholomew 1994-7-2 6822 Modoc Hillside just N of jcn. of Forest Service rds. 45N34 and 46N30. 2300 Comment
  CAS-BOT-BC58786  Plagiobothrys bracteatus Bruce Bartholomew; Barrett Anderson 1990-7-19 5410 Modoc Turner Creek at County Rd 90, N end of Big Valley, 6.4 km N of Lassen County border. 1230 Comment
  CAS-BOT-BC58787  Plagiobothrys bracteatus Milo Samuel Baker; Franklin P. Nutting 1894-6-4 Modoc Little Hot Spring Valley. Comment
  UCD120801  Plagiobothrys cusickii Herbert L. Mason; Verne Grant 1947-7-12 13415 Modoc Near south end of west side road, Pit River Valley, south of Alturas. Comment
  CHSC117238  Plagiobothrys hispidulus Lowell Ahart; John Dittes 2016-7-16 21255 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
  POM204137  Plagiobothrys hispidus J. T. Howell 1934-6-13 12067 Modoc Fandango Pass, Warner Mountains. 1829 Comment
  CAS-BOT-BC58793  Plagiobothrys leptocladus Alice Eastwood; John Thomas Howell 1940-6-13 8165 Modoc Surprise Valley, 6 mi. S of Fort Bidwell. Comment
  CAS-BOT-BC58800  Plagiobothrys mollis var. mollis K. Paulson; Robert Paulson 1989-7-2 157 Modoc Vicinity of Craig Spring, ca. 2 mi. NE of Happy Camp. 1447 Comment
  CAS-BOT-BC228488  Plagiobothrys salsus Ira L. Wiggins; Dorothy B. Wiggins 1961-6-13 16446 Modoc Lane on Phipp's Ranch, ca. 14 miles N of Cedarville, Surprise Valley Comment
  RSA152443  Plagiobothrys salsus I. L. Wiggins, Dorothy Wiggins 1961-6-12 16446 Modoc Lane on Phipp s Ranch, about 14 miles N of Cedarville, Suprise Valley. Comment
  CAS-BOT-BC58747  Plagiobothrys scouleri Herbert Louis Mason; Verne Grant 1947-7-12 13421 Modoc Near S end of W side road, along railroad tracks, Pit River, S 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
  CHSC117037  Plagiobothrys stipitatus var. micranthus Lowell Ahart; John Dittes 2016-6-6 20963 Modoc About 100 yards east of the Parking Area, about about one mile south of the intersection of County Road 87 and Access Road to Pilot Butte Parking Area, 3.8 miles (air) east of Lookout, 7.5 miles (air) west of Adin, Ash Creek State Wildlife Area. 1271 Comment
  SEINET3084128 Image available Plagiobothrys stipitatus var. micranthus A. Tiehm, Jan Nachlinger, Gary Schoolcraft 1984-6-24 8798 Modoc Surprise Valley, east side of Middle Alkali Lake, east of Cedarville 1356 Comment
  CAS-BOT-BC58766  Plagiobothrys stipitatus var. micranthus Herbert Louis Mason; Verne Grant 1947-7-12 13410 Modoc W side of Pit River Valley, S of Alturas. Comment
  CAS-BOT-BC58767  Plagiobothrys stipitatus var. micranthus Herbert Louis Mason; Verne Grant 1947-7-12 13410 Modoc W side of Pit River Valley, S of Alturas. Comment
  JEPS79217  Plagiobothrys stipitatus var. micranthus L. R. Heckard with R. C. Bacigalupi 1980-6-10 5265 Modoc about 10 mi nw Lookout (along Great Northern Railroad grades) Comment
  RSA325725  Plagiobothrys stipitatus var. micranthus A. Tiehm, Gary Schoolcraft, Jan Nachlinger 1984-6-24 8798 Modoc Surprise Valley, east side of Middle Alkali Lake, east of Cedarville. 1357 Comment
  UC1191844  Plagiobothrys stipitatus var. micranthus Herbert L. Mason and Verne Grant 1947-7-12 13410 Modoc s of Alturas (w side of Pit River Valley); Pit River Valley Comment
  UCD121009  Plagiobothrys stipitatus var. micranthus Herbert L. Mason; Verne Grant 1947-7-12 13410 Modoc West side of Pit River Valley, south of Alturas. Comment
  UC280352  Plagiobothrys tenellus Milo S. Baker 1896-5-20 75 Modoc Big Val-Johnson's Comment
  UC24588  Plagiobothrys tener var. tener Milo S. Baker 1893-7-1 Modoc Comment
  JEPS127303  Plantago major Lowell Ahart, John Dittes 2016-7-14 21184 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-BC242216  Platanthera dilatata var. leucostachys Bruce Bartholomew 1990-6-17 5326 Modoc Field redacted by CAS, contact the data manager for more information 1420 Comment
  UC4579  Platanthera sparsiflora Milo S. Baker 1893-7-18 Modoc Comment
  CAS-BOT-BC242208  Platanthera stricta Bruce Bartholomew 1989-8-11 5075 Modoc Field redacted by CAS, contact the data manager for more information 1920 Comment
  CAS-BOT-BC245395  Plectritis macrocera Bruce Bartholomew; Barrett Anderson 1988-5-13 4168 Modoc Ca. 1 km SE of Parker Creek Road on West Warner Road, W side of the Warner Mts.. 1710 Comment
  CAS-BOT-BC245402  Plectritis macrocera Roxana Stinchfield Ferris; R. Duthie 1919-6-14 73 Modoc Along Parker Creek, Warner Mountaisn. Comment
  CAS-BOT-BC245404  Plectritis macrocera Bruce Bartholomew; Barrett Anderson 1989-6-3 4887 Modoc Boles Creek, ca. 5.5 km E of the SE corner of Clear Lake Reservoir. 1430 Comment
  HSC21685  Plectritis macrocera M. T. Milligan 1964-6-6 1 Modoc N side of Dorris Reservoir along shore 1372 Comment
  UC912461  Plectritis macrocera F. H. Frost 1925-5-24 3 Modoc Steamboat Canyon Comment
  UC1018936  Plectritis macrocera Lois Hoit 1938-1 Modoc Cedar Mountain Comment
  RSA433740  Plectritis macrocera subsp. grayi Christopher Davidson 1975-6-4 2597 Modoc 0.4 miles E of Hwy 395 on Hwy 299 toward Cedarville. 1380 Comment
  SEINET195478  Pleiacanthus spinosus Annie M. Alexander, Louise Kellogg 1946-7-5 5910 Modoc Lava Cliff west Lower Lake Comment
  UCD133576  Pleiacanthus spinosus Beecher Crampton 1954-7-7 2150 Modoc 3 miles west of Cedarville, east side of Cedar Pass. 1615 Comment
  CAS-BOT-BC247589  Poa Leland S. Smith 1917-7-2 71 Modoc Head of Shield's Creek - Modoc National Forest. 2286 Comment
  SEINET190958 Image available Poa annua A. A. Beetle 1941-6-29 2832 Modoc Near summit Cedarville Pass 2118 Comment
  HSC80829  Poa bolanderi G. M. Riegel 1979-9-1 730 Modoc S Warner Mtns. 1829 Comment
  JEPS70631  Poa cusickii L. S. Smith 1917-7-2 71 Modoc head of Shields Creek; Wasrner Mts 2286 Comment
  JEPS120123  Poa cusickii subsp. cusickii Lowell Ahart, John Dittes 2012-7-10 18328 Modoc Northeast of the old homestead, Ash Creek State Wildlife Area, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley. Comment
  UC1025014  Poa palustris Leo Whitney 1935-7-13 3493 Modoc Alturas Comment
  UCD91792  Poa palustris Beecher Crampton 1954-7-7 2159 Modoc 2.5 miles east of Alturas, near radio station KCNO. Comment
  HSC10760  Poa pratensis M. T. Milligan 1965-6-26 346 Modoc E slope of eroded volcanic plateau. 1677 Comment
  UCD38341  Poa pratensis Beecher Crampton 1954-7-7 2145 Modoc Warner mountains, east side of Cedar Pass, 3 miles west of Cedarville. Comment
  UC711805  Poa pratensis subsp. pratensis Roxana S. Ferris and Laura Lorraine 1941-8-13 10532 Modoc Patterson Ranger Station (East Creek drainage) Patterson Ranger Station; Modoc Nat'l Forest, Warner Mts 2164 Comment
  RSA534590  Poa secunda Bruce Bartholomew, B. Anderson 1989-6-2 4803 Modoc 6.4 km E of Fort Bidwell on road to Free Reservoir, NE corner of Surprise Valley. 1460 Comment
  UC820951  Poa secunda subsp. juncifolia C. L. Hitchcock 1940-5-28 6725 Modoc 15 mi n Alturas 1402 Comment
  UCD32723  Poa secunda subsp. juncifolia Beecher Crampton 1954-7-7 2161 Modoc 2.5 miles E of Alturas, near radio station KCNO. Comment
  UCD92162  Poa secunda subsp. juncifolia J. E. Coke 1932-11-1 s.n. Modoc Modoc County. Comment
  CDA32641  Poa secunda subsp. juncifolia L. White & H. T. Osborne 1957-6-27 Modoc 1/4 mile west of Cedar Pass, 3 miles west of Cedarville. Comment
  CAS-BOT-BC247659  Poa secunda subsp. secunda Isabel T. Kelly 1930-1-1 60 Modoc Modoc County. Comment
  CAS-BOT-BC247662  Poa secunda subsp. secunda John Thomas Howell 1934-7-1 12341 Modoc Duncan Horse Camp. 1355 Comment
  CAS-BOT-BC247664  Poa secunda subsp. secunda C. L. Hitchcock 1940-5-28 6725 Modoc 15 mi. N of Alturas. 1402 Comment
  CAS-BOT-BC247672  Poa secunda subsp. secunda Bruce Bartholomew; Barrett Anderson 1988-5-12 4120 Modoc S side of Egg Lake, ca. 1.5 km W of the Burlington Northern railroad track. 1300 Comment
  CAS-BOT-BC247674  Poa secunda subsp. secunda Bruce Bartholomew 1990-6-17 5320 Modoc E side of Surprise Valley, 9.6 km E of Eagleville at the Nevada border. 1580 Comment
  HSC9776  Poa secunda subsp. secunda M. T. Milligan 1964-7-25 170 Modoc Pine Creek Basin, along trail. 2439 Comment
  JEPS127211  Poa secunda subsp. secunda Lowell Ahart, John Dittes 2016-6-6 20940 Modoc About 50 yards southwest of the intersection of County Road 87 and Access Road to Pilot Butte Parking Area, northeast base of Pilot Butte, 3.8 miles (air) east of Lookout, 7.5 miles (air) west of Adin, Ash Creek State Wildlife Area. Comment
  JEPS75401  Poa secunda subsp. secunda Frances D. Payne 1932-6-24 566 Modoc s and e Alturas (Parker Creek); Warner Mts 1584 Comment
  UC1024904  Poa secunda subsp. secunda Leo Whitney 1935-5-21 3110 Modoc ca 15 mi nw Canby (Hackamore); Modoc Nat'l Forest 1463 Comment
  CAS-BOT-BC252518  Poa wheeleri Bruce Bartholomew; Barrett Anderson 1990-7-20 5464 Modoc 4 km N of Buck Creek Ranger Station at turn off to Del Prat Spring, W side of Warner Mts. 1900 Comment
  HSC80831  Poa wheeleri G. M. Riegel 1979-7-30 628 Modoc S Warner Mtns. 1829 Comment
  UCD91572  Poa wheeleri Beecher Crampton; Carl W. Rimbey 1954-7-6 2102 Modoc slope above Shields Creek, 20 miles east of Alturas. Warner Mountains. Comment
  CAS-BOT-BC179344  Pogogyne floribunda James D. Jokerst 1987-6-23 2931 Modoc Small lake several hundred meters S of Doublehead Lake. Comment
  CHSC67512  Pogogyne floribunda J. D. Jokerst 1990-7-31 3204 Modoc Modoc National Forest, Devils Garden Ranger District (south of Clear Lake), about 2 miles SE of Doublehead Mountain and 300 meters SE of the USFS dirt road that passes near E edge of lake at the line separating Sections 13 and 14. 1371 Comment
  RSA551272  Pogogyne floribunda Bruce Bartholomew 1991-7-5 5932 Modoc Cow Head Tank, 6 km NW of Dorris Brothers Reservoir. 1520 Comment
  SD149136  Pogogyne floribunda B. Bartholomew 1991-7-5 5932 Modoc Cow Head Tank, ca. 6.0 km northwest of Dorris Brothers Reservoir. 1520 Comment
  RSA0022126  Pogogyne floribunda Louis C. Wheeler 1935-8-25 3915 Modoc Devil's Garden: Rimrock Valley Reservoir. 1524 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-BC197858  Polemonium micranthum Bruce Bartholomew 1994-5-14 6687 Modoc 5.1 km SE of Burlington Railroad Northern railroad track on road between Egg Lake and Lookout. 1400 Comment
  RSA0045632  Polemonium micranthum Lowell A. Ahart, John Dittes 2008-6-21 14981 Modoc North of the large culvert, west of the large levee, in Big Valley, about 2.8 miles (air) north of the Headquarters at Ash Creek State Wildlife Area, about 5.4 miles (air) northeast of Bieber. 1256 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
  UC1563901  Polyctenium fremontii Barbara Ertter 1988-6-18 7617 Modoc 1 mi s of s junction to Lava Beds National Monument (e of Tonesta, Highway 139 ca 50 airmi sw of Klamath Falls, a few mi n of Agric. Inspection Station); e of Tonesta, s of s jct to Lava Beds National Monument 1310 Comment
  JEPS86717  Polygonum John Hale 1990-7-10 Modoc 16 mi wnw of Canby (adjacent to CA Highway 139, near concrete spillway of water project, w Modoc County) Comment
  JEPS88601  Polygonum Dean Wm. Taylor, Glenn L. Clifton 1987-6-24 9061 Modoc Whitehorse (site), a railroad siding in Section 16 Whitehorse 1341 Comment
  RSA0114934  Polygonum Lowell Ahart, John Dittes 2013-7-24 18911 Modoc On the south side of a levee road, north side of Ash Creek Floodplain, 0.54 mile (air) southeast of Pilot Butte Parking Area, 1.1 miles (air) south of County Road 87, 6.8 miles (air) west of Adin, Big Valley. 1263 Comment
  UC1060642  Polygonum Herbert L. Mason 1955-8-14 14655 Modoc n of Rim Rock Valley Reservoir (Frift Fence Reservoir); Frift Fence Reservoir Comment
  UC6756  Polygonum amphibium var. emersum Milo S. Baker 1893-6 Modoc Egg Lake Comment
  JEPS79753  Polygonum aviculare Louis C. Wheeler 1935-8-28 3928 Modoc 1 1/2 mi s Lakeshore Reservoir; Devil's Garden 1524 Comment
  OBI70870  Polygonum aviculare Louis C. Wheeler 1935-8-26 3922 Modoc Modoc Plateau: 1 mi NW of Mud lake, Devil's Garden 1524 Comment
  CHSC112072  Polygonum aviculare subsp. buxiforme L. P. Janeway; B. Castro 2014-6-3 11322 Modoc Great Basin. On the dry cracked white mud of Big Mud Lake, near the northwest edge. 1637 Comment
  UC1192347  Polygonum aviculare subsp. buxiforme Verne Grant, Irving Schneider 1947-7-18 8043 Modoc S of Alturas (Eastside Canal, 5 mi N of Bayley's bridge) Comment
  UC1576762  Polygonum aviculare subsp. buxiforme Dean Wm. Taylor with Glenn L. Clifton 1989-8-6 10486 Modoc Snake Lake Warner Mountains (bed) 1569 Comment
  OBI70638  Polygonum aviculare subsp. depressum Louis C. Wheeler 1973-8-23 s.n. Modoc Alturas 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-BC218128  Polygonum douglasii Bruce Bartholomew; Barrett Anderson 1989-6-2 4780 Modoc Top of Fandango pass, Warner Mountains. 1870 Comment
  CAS-BOT-BC218135  Polygonum douglasii Elmer Ivan Applegate 1932-8-2 8065 Modoc Mill Creek Meadow, Warner Mts. Comment
  JEPS51293  Polygonum douglasii subsp. douglasii Leland S. Smith 1918-7-11 986 Modoc Mill Creek Meadows Modoc <National> Forest 1981 Comment
  JEPS4016  Polygonum douglasii subsp. douglasii Frances D. Payne 1935-7-6 784 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  JEPS49634  Polygonum douglasii subsp. douglasii Louis C. Wheeler 1935-8-6 3801 Modoc 1/2 mi s Pine Creek (town) 1493 Comment
  CHSC71884  Polygonum douglasii subsp. spergulariiforme Vernon H. Oswald; Lowell Ahart 1998-9-8 9590 Modoc County Rd. 93 adjacent to the RR at Lookout Junction northwest of Lookout. 1280 Comment
  NY412807  Polygonum kelloggii var. kelloggii B. M. Bartholomew 1988-5-12 4097 Modoc White Horse 15' Quad. 1340 Comment
  CDA2776  Polygonum persicaria T. C. Fuller 1958-7-8 1958 Modoc Corporation Ranch, Likely. 0 Comment
  RSA518941  Polygonum polygaloides Bruce Bartholomew, B. Anderson 1988-6-23 4244 Modoc 4.2 kim NW of Day. 1020 Comment
  CAS-BOT-BC218170  Polygonum polygaloides subsp. confertiflorum Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-15 16514 Modoc 13 mi. E of Canby, along Calif. St. Highway 139. Comment
  CAS-BOT-BC218169  Polygonum polygaloides subsp. confertiflorum Herbert Louis Mason 1957-6-21 14706 Modoc West side of Said Valley. Comment
  JEPS19796  Polygonum polygaloides subsp. confertiflorum Rimo Bacigalupi with S. Galen Smith 1957-6-27 5982 Modoc about 9 mi nw of Canby (along State Highway 139); State Highway 139 1584 Comment
  RSA125790  Polygonum polygaloides subsp. confertiflorum H. L. Mason 1957-6-21 14706 Modoc W side of Said Valley Comment
  CHSC81398  Polygonum polygaloides subsp. esotericum R. E. Preston 2000-7-19 1423 Modoc Ca. 9 mi nw of Canby, on n side of Hwy 139, 2.0 mi w of Forest Service Rd 46N10. 1488 Comment
  UCD77934  Polygonum polygaloides subsp. esotericum Robert E. Preston 2000-7-18 1408 Modoc Ca. 13 mi nw of Canby, along n side of Hwy 139, 500 ft w of Forest Service Rd 44N11. 1478 Comment
  UCD77941  Polygonum polygaloides subsp. esotericum Robert E. Preston 2000-7-17 1394 Modoc Ca. 9.5 mi nw of Canby, on s side of Hwy 139. 1487 Comment
  UCD77945  Polygonum polygaloides subsp. esotericum Robert E. Preston 2000-7-17 1387 Modoc Ca. 11 mi nw of Canby, on n side of Hwy 139, 2.2 mi e of Forest Service Rd 44N11. 1487 Comment
  UCR208105  Polygonum sawatchense subsp. sawatchense Arnold Tiehm 1984-6-30 08841 Modoc NE ('northwest') side of Mount Bidwell, 2.8 road miles north of Eightmile Creek on the road from Lake Annie 1829 Comment
  CAS-BOT-BC218148  Polygonum spergulariiforme Louis Cutter Wheeler 1935-8-26 3922 Modoc Mud Lake, Devil's Garden. 1524 Comment
  CAS-BOT-BC218152  Polygonum spergulariiforme Bruce Bartholomew 1994-10-8 6874 Modoc 0.8 km SE of Lookout Junction on road to Lookout. 1280 Comment
  CDA13459  Polygonum spergulariiforme G. F. Hrusa, T. D. Wilfred 1996-7-21 13306 Modoc Modoc Plateau; Adjacent to Modoc Co. Rd. 90 bridge over Pit River. E base of Splawn Mtn. N end of Big Valley. Comment
  RSA520360  Polygonum spergulariiforme Bruce Bartholomew 1989-7-14 4923 Modoc Along Rush Creek between Lower and upper Rush Creek Campgrounds. 1520 Comment
  NY177829  Populus tremuloides L. C. Wheeler 1935-9-30 4017 Modoc Back Tuttle Place Devil's Garden 1524.0 Comment
  UC1134800  Populus tremuloides R. C. Wilson 1933-6-16 65 Modoc Rush Creek; Modoc National Forest, Alturas Quad., Rush Creek Comment
  UC1027185  Porterella carnosula Annie M. Alexander and Louise Kellogg 1946-7-11 4975 Modoc mesa w Eight Mile Creek (ne corner of county); mesa w Eight Mile Creek Comment
  JEPS77520  Porterella carnosula L. R. Heckard with T. I. Chuang and R. C. Bacigalupi 1978-7-19 4888 Modoc about 3 mi sw Patterson Ranger Station (just n of Lassen County line); Warner Mts. 2011 Comment
  RSA577887  Potamogeton epihydrus L. C. Wheeler 1935-10-6 4023 Modoc Lily Lake, Pine Creek. (Mt. Diablo Mer.) 2073 Comment
  CHSC117500  Potamogeton foliosus subsp. foliosus Lowell Ahart; John Dittes 2016-7-14 21211 Modoc In Ash Creek Canal (now filled in), south of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) west of Adin, Big Valley. 1273 Comment
  CAS-BOT-BC242239  Potamogeton gramineus Milo Samuel Baker 1899-8-18 s.n. Modoc Little Hot Spring Valley. Comment
  UC1099908  Potamogeton illinoensis Verne Grant, Irving Schneider 1947-8-29 8353 Modoc at bridge by Coal Stone Valley; Pit River Comment
  CAS-BOT-BC242230  Potamogeton nodosus Robert Folger Thorne; et al 1969-9-4 39129 Modoc N Fork of Pit River 3.4 mi. N of Alturas where crossed by Hwy 395. 1341 Comment
  CAS-BOT-BC332736  Potamogeton nodosus R. F. Thorne; Larry E. DeBuhr 1975-8-22 46967 Modoc Ca. 3.4 miles N of Alturas at bridge over North Fork of Pit River 1341 Comment
  UC1100080  Potamogeton pectinatus Verne Grant, Irving Schneider 1947-7-21 8123 Modoc North Fork of Pit River (by bridge on Hwy 395, n of Alturas) Comment
  UC1536815  Potamogeton pectinatus Gordon H. True Jr. 1939-6-6 1009 Modoc near Canby; Gooch Swamp Comment
  UCD138287  Potamogeton pusillus Herbert L. Mason; Verne Grant 1947-7-11 13382 Modoc on road from Likely to Jess Valley, ca. 1 mile east of Likely. Comment
  UC1100091  Potamogeton zosteriformis Herbert L. Mason, Verne Grant 1947-7-12 13384 Modoc several mi s of Alturas (by Jone's Lane, off Hwy 395) Comment
  UC1100089  Potamogeton zosteriformis Verne Grant, Irving Schneider 1947-7-18 8052 Modoc 3 mi n of Bayley's Bridge (in Pit River Valley s of Alturas); Pit River Valley Comment
  CHSC115542  Potentilla biennis Lowell Ahart; John Dittes 2015-7-17 20403 Modoc About 100 yards north of Ash Creek, Ash Creek State Wildlife Area, about 3/4 mile south of Country Road B7, about 2.7 miles (air) west of Adin, about 9.1 miles (air) northeast of Bieber. 1279 Comment
  HSC75589  Potentilla breweri G. M. Riegel 1980-8-14 1068 Modoc S Warner Mtns. 2100 Comment
  RSA612793  Potentilla bruceae Louis C. Wheeler 1935-8-1 3734 -B Modoc Dismal Swamp, Twenty Mile Creek, Warner Mountains. 2226 Comment
  CAS-BOT-BC214780  Potentilla gracilis Bruce Bartholomew 1991-8-5 6044 Modoc Squaw Peak Trail on N side of Squaw Peak, E side of Warner Mts. 2450 Comment
  CAS-BOT-BC214789  Potentilla gracilis Annie Montague Alexander; L. Kellogg 1946-6-20 4810 A Modoc Field below Eagleville 1440 Comment
  CAS-BOT-BC214792  Potentilla gracilis Roxana Stinchfield Ferris; R. Duthie 1919-6-14 37 Modoc Parker Creek at Modoc Nat. Forest. Comment
  CAS-BOT-BC214794  Potentilla gracilis E. S. Willits 1940-5-17 262 Modoc Willow Ranch. Comment
  NY832655  Potentilla gracilis B. M. Bartholomew 1991-8-5 6044 Modoc Squaw Peak Trail on north side of Squaw Peak, east side of Warner Mountains 2450 Comment
  UCD113859  Potentilla gracilis Verne Grant; Irving Schneider 1947-7-19 8073 Modoc Williams ranch; along Souhern Pacific right-of-way near East Canal, in Pit Valley south of Alturas. Comment
  CAS-BOT-BC214773  Potentilla gracilis John H. Hatton 1911-6-22 142 Modoc Modoc County. 1615 Comment
  JEPS47213  Potentilla gracilis var. fastigiata Frances D. Payne 1931-6-17 182 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  JEPS86373  Potentilla gracilis var. fastigiata Jack and Betty Guggolz 1988-6-30 971 Modoc from a sparsely vegetated gravelly flat near the Old Canon Mill Road Comment
  UC545656  Potentilla gracilis var. fastigiata John Thomas Howell 1934-6-12 12029 Modoc Plum Valley Warner Mts., Plum Valley Comment
  UC12707  Potentilla gracilis var. flabelliformis Milo S. Baker 1893-7-2 Modoc Comment
  CAS-BOT-BC143312  Potentilla newberryi Verne Grant; Irving Schneider 1947-8-27 8313 Modoc Southwest end of Clear Lake Comment
  CDA13450  Potentilla norvegica G. F. Hrusa, T. D. Wilfred 1996-7-21 13297 Modoc Modoc Plateau; About the Modoc Co. Rd. 90 bridge over Pit River. E base of Splawn Mtn. N end of Big Valley. Comment
  CDA3917  Potentilla norvegica subsp. monspeliensis C. B. Greenbank 1978-8-11 Modoc Tulelake. 0 Comment
  UC1191493  Potentilla rivalis Verne Grant, Irving Schneider 1947-8-27 8318 Modoc sw end Clear Lake; sw end of Clear Lake Comment
  CAS-BOT-BC225032  Poteridium annuum Leland S. Smith 1918-6-14 936 Modoc Buck Creek Ranger Station & Willow Creek. 1676 Comment
  CAS-BOT-BC225034  Poteridium annuum Bruce Bartholomew 1991-7-4 5899 Modoc S end of Higgins Flat. 1370 Comment
  CAS-BOT-BC225023  Poteridium annuum Margaret J. Williams 1984-6-20 84- 84 -3 Modoc 13.4 mi W of Parker Creek Road. 1584 Comment
  CAS-BOT-BC179342  Prunella vulgaris K. Paulson; Robert Paulson 1989-7-12 175 Modoc Vicinity of Mill Creek Falls, NE side end of Jess Valley. Comment
  CDA40759  Prunella vulgaris subsp. lanceolata G. D. Barbe, John Kelley 1988-7-2 4301 Modoc Modoc National Wildlife Refuge, southeast of Alturas. 0 Comment
  CAS-BOT-BC214805  Prunus emarginata Bruce Bartholomew; Mona Bourell 1990-4-28 5206 Modoc 6.3 km SE of Rush Creek on road to Hunters Ridge. 1670 Comment
  CAS-BOT-BC214810  Prunus emarginata Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-13 16458 Modoc Near summit of Fandango Pass, Warner Mts. Comment
  OBI10066  Prunus emarginata H. E. McMinn 1931-5-23 2473 Modoc Warner Mts Comment
  CAS-BOT-BC214819  Prunus subcordata Gladys L. Smith; Margaret Williams; Loring Williams; Charles Smith 1983-9-14 8388 Modoc Ft. Bidwell site 0.5 mi. NW of town. 1377 Comment
  CAS-BOT-BC214820  Prunus subcordata Gladys L. Smith; Margaret Williams; Loring Williams; Charles Smith 1983-9-14 8388 Modoc Second big curve ascending Ft. Bidwell side 1377 Comment
  CAS-BOT-BC225001  Prunus subcordata Bruce Bartholomew; Barrett Anderson 1988-5-14 4192 Modoc 7 km S of turn off to Crowder Flats along West Side Road, W side of Goose Lake. 1410 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
  HSC27171  Prunus subcordata J. P. Smith, J. O. Sawyer 1972-5-6 5276 Modoc 1/2 mi. N of Ft. Bidwell on Mill Creek Rd. 1402 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
  RSA101376  Prunus subcordata R. Weatherby 1955-7-8 1630 Modoc Warner Mtns. 6 miles N of Ft. Bidwell. 1646 Comment
  RSA520468  Prunus subcordata K. Paulson, R. Paulson 1989-5-8 104 Modoc Howard's Gulch. Along Hwy 139. 1372 Comment
  SEINET10685515  Prunus subcordata Karen M. Meyer, Andrew Townesmith 2007-9-16 Meyer 214 Modoc Modoc National Forest, going E on Hwy 299, 5.1 miles from the start of NF. Lower, Cedar Creek interpretive trail. 1622 Comment
  UC62227  Prunus subcordata Mrs. M. H. Manning 1904-9-1 2 Modoc Alturas Comment
  UCD113512  Prunus subcordata T. C. Fuller 1963-7-16 11008 Modoc south side of Fandango Pass Road, just east of road to Willow Ranch, west base of the Warner Mountains. Comment
  RSA749196  Prunus subcordata var. subcordata A. Townesmith, K. M. Meyer 2007-9-16 214 Modoc Modoc National Forest, going E on Hwy 299, 5.1 miles from the start of NF. Lower, Cedar Creek interpretive trail. 1622 Comment
  CAS-BOT-BC225013  Prunus virginiana var. demissa Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16400 Modoc Roadside above Thoms Creek, 6.1 mi. E of California State Highway 299, on Cedar Pass Rd. Comment
  UC1191504  Prunus virginiana var. demissa Verne Grant, Irving Schneider 1947-7-22 8159 Modoc 1 mi nw of Highway 395 (on dirt road leading to s end of Goose Lake, at headwaters of North Fork Pit River); North Fork Pit River Comment
  UC1281137  Prunus virginiana var. demissa H. E. McMinn 1931-5-23 2000 Modoc Warner Mountains 1981 Comment
  CAS-BOT-BC498764  Pseudognaphalium L. S. Smith 1924-7-1 1502 Modoc Modoc Forest, Round Mt. 1676 Comment
  JEPS126493  Pseudoroegneria spicata Jennifer Mueller July 18-25, 2016 CA 370 -232 Modoc Take county road 27 up Granger Canyon. Comment
  UCD91505  Pseudoroegneria spicata Beecher Crampton; Carl Rimbey 1954-7-8 2183 Modoc west slope of Jess Valley, Warner Mountains, 15 miles east of Likely. Comment
  CAS-BOT-BC252506  Pseudoroegneria spicata subsp. spicata Roxana Stinchfield Ferris; L. Lorraine 1941-8-12 10510 Modoc Between Hackamore and Canby. Comment
  JEPS73939  Pseudoroegneria spicata subsp. spicata Frances D. Payne 1932-6-27 648 Modoc s and e of Alturas (Warner Mountains, Parker Creek); Warner Mountains, Parker Creek 1584 Comment
  UC593545  Pseudoroegneria spicata subsp. spicata E. B. Babcock, G. L. Stebbins Jr. 1936-6-9 1827 Modoc about 3 mi w of Cedarville (in the Warner Mountains, Cedar Creek Canyon); Warner Mountains, Cedar Creek Canyon 1524 Comment
  CAS-BOT-BC95218  Pseudostellaria jamesiana Francis Dorris Payne 1932-7-3 601 Modoc Parker Creek. 1584 Comment
  CAS-BOT-BC95220  Pseudostellaria jamesiana Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10513 Modoc Patterson Ranger Station (East Creek drainage), Warner Mts. 2164 Comment
  UC189584  Pseudostellaria jamesiana Milo S. Baker 1893-1 Modoc Forestdale 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
  NY1083719  Pseudostellaria jamesiana M. J. Williams 1984-6-28 84- 67 --3 Modoc 2 miles north of intersection between Soldier Creek and Old Cannon Mill roads. Warner Mountains, north of Cedar Pass 2057 Comment
  UC1076485  Pseudostellaria jamesiana F. H. Frost 1925-7-12 51 Modoc Storr's Meadow Cedar Canyon; Warner Mts., , Cedar Canyon Comment
  SD149209  Pseudotsuga menziesii B. Bartholomew 1992-5-14 6273 Modoc Northeast side of White Horse Mountains, southwest of White Horse Flat Reservoir. 1399 Comment
Read comments Dec 3 2007
  SD149210  Pseudotsuga menziesii B. Bartholomew 1992-5-14 6273 Modoc Northeast side of White Horse Mountains, southwest of White Horse Flat Reservoir. 1399 Comment
Read comments Aug 12 2008
  CAS-BOT-BC30153  Pseudotsuga menziesii var. menziesii Bruce Bartholomew 1992-5-14 6273 Modoc NE side of White Horse Mountains, SW of White Horse Flat Reservoir. 1400 Comment
  CHSC118067  Psilocarphus brevissimus var. brevissimus L. P. Janeway 2017-5-16 11977 Modoc Modoc Plateau. Devils Garden area; along Road 47N07 1.8 road-km south of Road 181/73/47N09. 1573 Comment
  CAS-BOT-BC50389  Psilocarphus oregonus Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-15 16512 Modoc 13 mi. W of Canby along Hwy 139 Comment
  CHSC107373  Psilocarphus oregonus Lowell Ahart; John Dittes 2011-6-22 17552 Modoc About 50 yards east of the road, about 100 yards northeast of the Pilot Butte Parking Lot, north edge of Ash Creek Floodplain, 1.1 miles (air) south of County Road 87, 7.7 miles (air) west of Aden, 10 miles (air) east of Lookout, Big Valley. 1264 Comment
  CAS-BOT-BC252548  Puccinellia lemmonii Arnold Tiehm; et al 1984-6-1 8799 Modoc Surprise Valley, E side of Middle Alkali Lake E of Cedarville. 1356 Comment
  CHSC112684  Puccinellia lemmonii Lowell Ahart; John Dittes, Todd Sloat 2013-6-8 18763 Modoc Meadow, 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
  RSA26258  Puccinellia lemmonii Alice Eastwood, J. T. Howell 1940-6-11 8020 Modoc Near Canby Comment
  UCD32742  Puccinellia nuttalliana Beecher Crampton 1954-7-8 2195 Modoc Modoc County, 3 miles west of Alturas, along US highway 299. Comment
  UCD22435  Purshia tridentata Brian Vanden Heuvel 2003-4-10 197 Modoc Warm Springs Valley, 5 miles east of Canby on CA 299, near an old stone quarry at Modoc National Forest boundary. Comment
  CAS-BOT-BC218237  Purshia tridentata var. tridentata Mrs. H. C. Cantelow 1940-6-1 4321 Modoc E of Alturas. Comment
  CAS-BOT-BC218241  Purshia tridentata var. tridentata John H. Hatton 1911-6-10 20 Modoc Modoc County. 1524 Comment
  POM90212  Purshia tridentata var. tridentata R. M. Austin 1895-06 54 Modoc Goose Lake. Ross Canyon. Comment
  HSC17976  Pyrola dentata M. T. Milligan 1966-8-11 646 Modoc E of Jess Valley 1768 Comment
  CAS-BOT-BC50392  Pyrrocoma carthamoides var. cusickii Bruce Bartholomew; Barrett Anderson 1988-6-25 4387 Modoc 5.6 km NW of State Highway 299 on County Road 73. 1500 Comment
  CAS-BOT-BC50394  Pyrrocoma carthamoides var. cusickii Bruce Bartholomew; Barrett Anderson 1990-7-20 5461 Modoc 4 km N of Buck Creek Ranger Station at turn off to Del Prat Spring, W side of Warner Mts. 1900 Comment
  SEINET6033400 Image available Pyrrocoma carthamoides var. cusickii L. P. Janeway 2014-7-7 11441 Modoc Warner Mountains, east side of crest of Warner Mountains 2.3 air km east of Cedar Pass; along Road 43N07, 1.4 road km east of Stough Reservoir. Cedarville 7.5' quad 2000 Comment
  HSC67877  Pyrrocoma hirta J. P. Smith, J. O. Sawyer 1973-8-8 7249 Modoc Along summit trail to Patterson Guard Station, 1 mi. S of trail to N Emerson Lake 2561 Comment
  CAS-BOT-BC50356  Pyrrocoma lanceolata var. lanceolata Alice Eastwood; John Thomas Howell 1940-6-14 8198 Modoc 6 mi. W of Alturas. Comment
  CAS-BOT-BC180125  Quercus garryana var. garryana Bruce Bartholomew 1989-8-10 5025 Modoc Little Hot Spring Valley, 1.6 km NW of Day. 1070 Comment
  CAS-BOT-BC105114  Quercus kelloggii Elmer I. Applegate 1897-6-1 872 Modoc Under rim rock near head of Black Canyon, about 6 miles above Canby, on road to Klamath Falls Comment
  SEINET4078931  Quercus kelloggii C. Davidson 1975-1 2626 Modoc 0.7 mile east of Upper Rush Creek Camp on dirt road off highway 299; roughly seven miles north of Adin. Left side of road. 1645 Comment
  CAS-BOT-BC217256  Ranunculus alismifolius Leland S. Smith 1920-6-2 1156 Modoc 12 Mile Creek. 2042 Comment
  RSA486803  Ranunculus andersonii Bruce Bartholomew, B. Anderson 1988-5-13 4163 Modoc Granger Summit, ca. 10 km NW of Pepperdine at the top of the Warner Mountains. 1770 Comment
  CAS-BOT-BC217263  Ranunculus aquatilis var. aquatilis Peter Hamilton Raven; Otto Thomas Solbrig 1958-6-18 13324 Modoc About small lake at eastern outskirts of Lookout. 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
  POM312421  Ranunculus aquatilis var. capillaceus Verne Grant, Irving Schneider 1947-7-22 8135 Modoc N Fork of Pit River by State Quarantine Station, Hwy 395, N of Alturas. Comment
Read comments Mar 20 2011
  RSA252475  Ranunculus aquatilis var. capillaceus Robert F. Thorne, C. W. Tilforth 1969-9-5 39171 Modoc Modoc National Forest, Warner Mountains, Clear Lake. 1768 Comment
  UC1101364  Ranunculus aquatilis var. capillaceus Herbert L. Mason and Verne Grant 1947-7-11 13370 Modoc irrigation ditch by Jones' Lane (off Hwy 395, s of Alturas) 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
  RSA0005406  Ranunculus austinae R. M. Austin 1894-1 s.n. Modoc Crevices, high bluff of lava rock east of Willow Creek Valley. Comment
  PASA2638  Ranunculus cymbalaria Frank W. Peirson 1926-6-26 6906 Modoc Road from Alturas to Canby Comment
  UC480945  Ranunculus cymbalaria var. saximontanus W. P. Taylor and H. C. Bryant 1910-7-13 Modoc Head N. Fork Parker Cr. Warner Mountains 2225 Comment
  UC1101383  Ranunculus cymbalaria var. saximontanus Herbert L. Mason 1947-8-15 13552 Modoc mouth of Crane Creek Goose Lake, Willow Ranch (e side of Lake) Comment
  RSA520474  Ranunculus glaberrimus var. ellipticus Bruce Bartholomew, B. Anderson 1989-4-27 4632 Modoc Ryan Canyon, 6km NW of Adin on road to Dutch Flat. 1370 Comment
  CAS-BOT-BC217202  Ranunculus glaberrimus var. glaberrimus Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-10 6438 Modoc 5 km NE of Davis Creek on road to Plum Valley Campground. 1700 Comment
  CAS-BOT-BC217247  Ranunculus glaberrimus var. glaberrimus Edward Kent Balls 1950-5-10 15968 Modoc Cedar Pass, W slope, Alturas to Cedarville. 1828 Comment
  UC748221  Ranunculus occidentalis Annie M. Alexander and Louise Kellogg 1946-6-7 4672 Modoc 1/2 mi e Cedarville 1453 Comment
  UC615121  Ranunculus occidentalis Beryl O. Schreiber 1934-6-10 1160 Modoc Lost Lake Warner Mountains (marsh) Comment
  RSA59730  Ranunculus occidentalis var. eisenii E. K. Balls 1950-5-17 14740 Modoc Howard's Gulch Public Camp, off Hwy. 139. N.W. of Canby. 1433 Comment
  CHSC85193  Ranunculus occidentalis var. occidentalis John Dittes; Josephine Guardino 1991-6-1 352 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-BC217182  Ranunculus occidentalis var. ultramontanus Alice Eastwood; John Thomas Howell 1940-6-12 8034 Modoc Likely. Comment
  POM99210  Ranunculus orthorhynchus R. M. Austin 1895-07 112 Modoc Goose Lake Valley. Comment
  UC72750  Ranunculus orthorhynchus var. orthorhynchus Milo S. Baker Modoc Forestdale Comment
  RSA8216  Ranunculus oxynotus Elmer I. Applegate 1932-8-3 8133 Modoc E slope of Eagle Peak, near summit, Warner Mts. 2744 Comment
  POM99859  Ranunculus repens R. M. Austin 1895-06 407 Modoc Goose Lake Valley. Comment
  CAS-BOT-BC217190  Ranunculus sceleratus Bruce Bartholomew 1990-6-17 5332 Modoc Surprise Valley, at the W side of Middle Alkali Lake, directly E of Cedarville. 1370 Comment
  CAS-BOT-BC217199  Ranunculus sceleratus var. multifidus Elmer Ivan Applegate 1929-7-29 6090 Modoc N side of Clear Lake. Comment
  CAS-BOT-BC217153  Ranunculus testiculatus Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-13 6542 Modoc 8 km E of Likely along S Fork of Pit River. 1380 Comment
  CDA3491  Ranunculus testiculatus Loring White 1971-5-26 Modoc R. Bunyard ranch, 1.5 miles northeast of Cedarville. 0 Comment
  CAS-BOT-BC21490  Rhus aromatica Bruce Bartholomew; Barrett Anderson 1989-4-27 4622 Modoc Little Hot Spring Valley, 2.9 km NW of Day. 1080 Comment
  CAS-BOT-BC225855  Ribes aureum Bruce Bartholomew; Barrett Anderson 1988-5-14 4188 Modoc 2 km S of McGinty Point, edge of causeway across the SW corner of Goose Lake. 1430 Comment
  CHSC42151  Ribes aureum C. E. Laver 1986-3-26 Modoc Ca. 13 mi ne of Alturas and 100 yd e of Thoms Creek. 1493 Comment
  RSA520369  Ribes aureum Bruce Bartholomew, B. Anderson 1989-4-29 4703 Modoc Sand Creek east side of Surprise valley, ca. 10 km east of Cedarville. 1400 Comment
  UC1191522  Ribes aureum Verne Grant, Irving Schneider 1947-7-22 8142 Modoc about 1 mi n Cedarville road (on Highway 395); North Fork of Pit River Comment
  UCD35235  Ribes aureum Beecher Crampton; with Carl Rimbey 1954-7-8 2186 Modoc 12 miles east of Likely, canyon of the South Fork of the Pit River. Comment
  UC465779  Ribes aureum M. F. Gilman 527 Modoc Comment
  HSC20285  Ribes cereum D. M. Thomson 1965-8-14 195 Modoc Lava Beds National Monument, Tichner Rd., 2 mi. from SE entrance Comment
  OBI14068  Ribes cereum H. E. McMinn unk 2465 Modoc WarnerMts, Cedarville rd 1890 Comment
  RSA454979  Ribes cereum Christopher Davidson 1975-6-4 2620 Modoc 2.5 mi W of Cedarville on Hwy 299. South sloping hillside of rocky basalt and red clay. 1677 Comment
  SD46560  Ribes cereum Robert J. Weatherby 1955-7-7 1606 Modoc Red Fir Forest. 7 mi. north of Ft. Bidwell. 1890 Comment
  UC1075751  Ribes cereum Robert J. Weatherby 1955-7-7 1606 Modoc 7 mi n Ft. Bidwell 1889 Comment
  UC570832  Ribes cereum F. H. Frost 1925-7-11 39 Modoc 2 mi above Cedarville (Cedar Canyon); Warner Mts. Comment
  UC585196  Ribes cereum G. L. Stebbins Jr. and E. B. Babcock 1936-6-9 1813 Modoc near Cedarville (e end of Bonner Grade) 1600 Comment
  UCSB24065  Ribes cereum var. cereum McMinn, H. 1931-5-23 Modoc Warner Mtns; Cedarville Rd 1889 Comment
  CAS-BOT-BC225903  Ribes montigenum Elmer Ivan Applegate 1932-8-3 8122 Modoc Dry rocky summit of Warner Mts. just S of Eagle Peak. Comment
  SEINET195470 Image available Ribes montigenum Annie M. Alexander, L Kellogg 1946-6-25 4822 Modoc North end of the Warner Mountains Dismal Swamp 2256 Comment
  CAS-BOT-BC225941  Ribes viscosissimum Annie Montague Alexander; L. Kellogg 1946-6-15 4772 Modoc Deep Creek. 1981 Comment
  JEPS49201  Ribes viscosissimum B. C. Goldsmith 1910-1 Modoc Alturas Comment
  NY455562  Ribes viscosissimum M. J. Williams 1984-6-29 84- 71 --3 Modoc Lily Lake, west side of the Warner Mountains 2072.6 Comment
  SEINET195338 Image available Ribes viscosissimum Annie M. Alexander, L Kellogg 1946-6-15 4772 Modoc Deep Creek 1981 Comment
  RSA0020907  Ribes viscosissimum I. L. Wiggins, Dorothy Wiggins 1961-6-14 16482 Modoc 2.8 mi. S of Lassen Creek campground, along road to Davis Creek, Warner Mountains. Comment
  CAS-BOT-BC50369  Rigiopappus leptocladus Fred. P. Cronemiller 1920-6-15 10 Modoc McKenzie Spring. 1341 Comment
  RSA152612  Rigiopappus leptocladus I. L. Wiggins, Dorothy Wiggins 1961-6-12 16373 Modoc At junction of Cedar Pass road with California Highway 299, 5.5 miles N of Alturas. Comment
  JEPS53835  Rorippa W. L. Jepson 1918-8-7 7902 Modoc North Fork Bidwell Creek Mt. Bidwell, North Fork Bidwell Creek 1828 Comment
  CAS-BOT-BC58413  Rorippa curvisiliqua John Thomas Howell 1934-6-30 12296 Modoc Duncan Horse Camp. 1355 Comment
  CHSC109646  Rorippa curvisiliqua var. orientalis Lowell Ahart; John Dittes 2012-7-12 18340 Modoc North edge of Ash Creek, south of the gravel pit, about 1/8 mile east of the parking area on the east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adam, about 8 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  CHSC117254  Rorippa curvisiliqua var. orientalis Lowell Ahart; John Dittes 2016-7-14 21163 Modoc West side of a new pond, south of Ash Creek Canal (now filled in), south of Ash Creek, Ash Creek Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. 1273 Comment
  CDA25132  Rorippa palustris var. occidentalis T. C. Fuller 1958-7-8 1953 Modoc Corporation Ranch, Likely. 0 Comment
  HSC59871  Rosa woodsii subsp. ultramontana J. P. Smith, J. O. Sawyer 1973-8-9 7254 Modoc Blue Lake, Modoc National Forest. 1829 Comment
  RSA11801  Rosa woodsii subsp. ultramontana Elmer I. Applegate 1929-6-25 5904 Modoc Willow Ranch, east side of Goose Lake Comment
  CAS-BOT-BC218250  Rosa woodsii var. ultramontana Mrs. H. C. Cantelow 1940-6-1 4322 Modoc E slope Warner Mts., Cedar Pass Road. Comment
  CAS-BOT-BC218259  Rosa woodsii var. ultramontana Bruce Bartholomew; Barrett Anderson 1990-7-20 5547 Modoc N edge of Howard Flat, W side of Warner Mts. 2000 Comment
  CAS-BOT-BC218262  Rosa woodsii var. ultramontana Roxana Stinchfield Ferris; R. Duthie 1919-6-14 136 Modoc Parker Creek. Comment
  UC555644  Rosa woodsii var. ultramontana F. H. Frost 1925-7-11 32 Modoc Cedar Canyon camp site, Warner Mountains Comment
  UC12894  Rosa woodsii var. ultramontana Milo S. Baker 1893-6-26 Modoc Comment
  RSA520485  Rubus parviflorus Bruce Bartholomew 1989-7-14 4929 Modoc Along Rush Creek between Lower and upper Rush Creek Campgrounds. 1520 Comment
  CAS-BOT-BC211336  Rumex acetosella Bruce Bartholomew 1992-5-16 6314 Modoc Wet pasture just E of the town of Davis Creek. 1480 Comment
  CAS-BOT-BC211340  Rumex crispus Bruce Bartholomew 1991-7-6 5964 Modoc Ash Creek Bird Santuary, 0.2 km N of Lassen County line on Modoc County Road 87A. 1260 Comment
  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
  UCD100942  Rumex fueginus Herbert L. Mason; Verne Grant 1947-7-11 13362 Modoc Highway 395, 5 miles south of Alturas. Comment
  CDA23187  Rumex occidentalis T. C. Fuller 1958-7-8 2031 Modoc 4 miles south of Pine Creek. 0 Comment
  CAS-BOT-BC95281  Sagina saginoides Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10531 Modoc Patterson Ranger Station (East Creek drainage), Warner Mts. 2164 Comment
  UC935799  Sagittaria cuneata Malcolm A. Nobs, S. Galen Smith and Herbert L. Mason 1949-5-29 768 Modoc e Kelly Hot Springs; e of Kelly Hot Springs Comment
  JEPS119661  Sagittaria latifolia var. latifolia Lowell Ahart, John Dittes 2012-7-11 18336 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
  CAS-BOT-BC225118  Salix boothii Belknap C. Goldsmith 1910-8-11 19 Modoc Summit of Warner Mts, near Oregon-California line. 2194 Comment
  SD968  Salix boothii Frances D. Payne 1931-7-7 331 Modoc Pine Creek Basin, Warner Mountains, about 33 km southeast of Alturas, along creek 2280 Comment
  UC492373  Salix boothii Frances D. Payne 1932-7-21 728 b Modoc e Alturas (marsh s of Mosquito Lake); Warner Mts., e side Mt. Warren (Buck Mt.) Comment
  CAS-BOT-BC225760  Salix eastwoodiae Francis Dorris Payne 1931-7-8 177 Modoc Pine Creek Basin ca. 33 km SE of Alturas, Warner Mountains 2280 Comment
  SD964  Salix eastwoodiae Frances D. Payne 1931-6-25 275 Modoc Pine Creek Basin, Warner Mountains, about 33 km southeast of Alturas, near spring along creek 2280 Comment
Read comments Nov 9 2011
  SD965  Salix eastwoodiae Frances D. Payne 1931-7-8 177 Modoc Pine Creek Basin, Warner Mountains, about 33 km southeast of Alturas, wet flat near spring, creek 2280 Comment
  UC481860  Salix eastwoodiae Frances D. Payne 1931-6-25 275 Modoc ca. 33 km. se Alturas; Warner Mts., Pine Creek Basin 2280 Comment
  UC481867  Salix eastwoodiae Frances D. Payne 1931-7-8 177 Modoc Pine Creek Basin, Warner Mountains, about 33 km southeast of Alturas 2280 Comment
  CAS-BOT-BC225769  Salix exigua Belknap C. Goldsmith 1911-5-28 28 Modoc County road, near Goose Lake. 1493 Comment
  CAS-BOT-BC225770  Salix exigua Elmer Ivan Applegate 1932-8-6 8194 Modoc E side of Middle Lake, Surprise Valley, along Nevada-California State line. Comment
  CAS-BOT-BC225779  Salix exigua H. P. Bracelin; Francis Dorris Payne 1931-6-30 495 Modoc Parker Creek, 20 km E of Alturas, meadow S of Payne Ranch 1560 Comment
  HSC104031  Salix exigua L. Ahart, John Dittes 2008-8-25 15310 Modoc About 3.8 air mi. NNE of Lookout, ~ 1/8 mi. E of County Road 91, on the east bank (flood plain) of the Pit River 1273 Comment
  SBBG58877  Salix exigua Mrs. H. P. Bracelin 1931-6-30 488 Modoc Parker Crk, 20 km E of Alturas, meadow S of Payne Ranch 1560 Comment
  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
  RSA0030856  Salix exigua H. P. Bracelin 1931-6-30 501 Modoc Alturas. 1360 Comment
  SD887  Salix exigua var. hindsiana Mrs. H. P. Bracelin, Frances D. Payne 1931-6-30 488 Modoc Parker Creek, 20 km. east of Alturas, meadow south of Payne Ranch 1559 Comment
  CAS-BOT-BC229686  Salix lasiandra subsp. caudata C. L. Hitchcock 1940-5-27 6699 Modoc 12 mi. NE of Alturas. 1615 Comment
  CAS-BOT-BC229693  Salix lasiandra subsp. caudata P. Monnet 1913-7-1 930 Modoc Warner's Range. 1828 Comment
  UC1408969  Salix lasiandra var. caudata R. F. Thorne and C. W. Tilforth 1969-9-5 39144 Modoc ca. 6 mi. e. Likely (along S. Fork Pit River above junction with West Creek at Public Campground); S. Fork Pit River 1402 Comment
  UCD111524  Salix lasiandra var. caudata Verne Grant; Irving Schneider 1947-7-22 8143 Modoc North Fork of Pit River on Highway 395, about one mile north of junction with Cedarville road. Comment
  JEPS14858  Salix lasiolepis Frances D. Payne 1931-6-10 137 Modoc Parker Creek Warner Mts., Parker Creek 1584 Comment
  UC481927  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-29 486 Modoc halfway between Adin and Canby 1350 Comment
  UC481929  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-29 486 Modoc halfway between Adin and Canby (0.1 mi. s. of Rush Creek Service Station, some distance from Rush Creek) 1350 Comment
  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
  UC481935  Salix lasiolepis Mrs. H. P. Bracelin and Miss Frances D. Payne 1931-6-30 492 Modoc 20 km. e. Alturas (Parker Creek, meadow beside creek of Payne Ranch house); Parker Creek 1560 Comment
  CAS-BOT-BC229672  Salix lasiolepis var. lasiolepis H. P. Bracelin 1931-6-29 487 Modoc Halfway between Adin and Canby. 1350 Comment
  CAS-BOT-BC229674  Salix lasiolepis var. lasiolepis Louis Cutter Wheeler 1935-8-3 3771 Modoc Pine Creek, Warner Mts. 1554 Comment
  CAS-BOT-BC229662  Salix lemmonii H. P. Bracelin 1934-6-13 819 Modoc Patterson Mill Rd., E side of Warner Mts., beside Barber Creek. 1524 Comment
  CAS-BOT-BC229664  Salix lemmonii Francis Dorris Payne 1931-6-25 279 Modoc Pine Creek Basin, Warner Mts., about 33 km SE of Alturas. 2280 Comment
  POM209559  Salix lemmonii Frances D. Payne 1934-08 778 Modoc Pine Creek Basin. Warner Mtns. 2317 Comment
  POM218962  Salix lemmonii Frances D. Payne 1931-7-7 332 Modoc Pine Creek Basin. Warner Mtns. About 33 km SE of Alturas. 2280 Comment
  UC748349  Salix lemmonii Annie M. Alexander and Louise Kellogg 1946-6-26 4840 Modoc Dismal Swamp n. end Warner Mts., Dismal Swamp 2255 Comment
  UC5258  Salix ligulifolia Milo S. Baker 1893-7-15 Modoc 1371 Comment
  POM362933  Salix lucida subsp. caudata H. E. McMinn 1931-5-23 2466 Modoc Warner Mtns. Comment
  SEINET10734992  Salix lucida subsp. caudata Andrew Townesmith, Karen M. Meyer 2007-9-15 Townesmith 931 Modoc Modoc National Forest, Warner Mountain Ranger District. Along state route 299, 10.9 miles west of junction with US route 395. At Cedar Pass. T43N R15E S28 SW 1/4. 1928 Comment
  SBBG27428  Salix lutea Mrs. H. P. Bracelin, F. D. Payne 1931-6-30 499 Modoc Parker Crk, 20 km E of Alturas S of Payne Ranch 1560 Comment
  SBBG29031  Salix lutea Mrs. H. P. Bracelin, F. D. Payne 1931-6-30 499 Modoc Parker Crk, 20 km E of Alturas S of Payne Ranch 1560 Comment
  UC481957  Salix melanopsis Mrs. H. P. Bracelin and Miss Frances D. Payne 1931-6-30 493 Modoc 20 km. e. Alturas (meadow s. of Payne Ranch, Parker Creek); Parker Creek Comment
  CAS-BOT-BC229841  Salix scouleriana Francis Dorris Payne 1933-8-1 777 Modoc Pine Creek Basin, Warner Mts., about 50 feet from marsh. 2316 Comment
  UC1280874  Salix scouleriana H. E. McMinn 1931-5-23 2468 Modoc Warner Mt. Comment
  CAS-BOT-BC179251  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
  SEINET14190204 Image available Salvia aethiopis P. C. Martinelli, T. C. Fuller 1974-7-19 s.n. Modoc Alturas area Comment
  UCD125444  Salvia aethiopis John C. Hays 1947-6-1 s.n. Modoc Joseph Creek, on W.A. Carlsberg Ranch. Comment
  CAS-BOT-BC179240  Salvia dorrii var. dorrii B. Bartholomew 1993-6-13 6616 Modoc Near the Nevada border, E of Eagleville, Surprise Valley. 1510 Comment
  CAS-BOT-BC179249  Salvia dorrii var. dorrii M. M. Hanna; G. Dallas Hanna 1956-6-5 Modoc Cedar Pass. Comment
  UCSB12379  Salvia dorrii var. dorrii Dearing, Hugh; Dearing, Margaret 1939-6-9 Modoc East side of Cedar Pass Comment
  JEPS87064  Salvia dorrii var. incana Dean Wm. Taylor with Glenn Clifton 1990-6-12 10893 Modoc near Battle of Dry Lake (site) (ca 0.5 mi nw along right-of-way of Pacific Gas Pipeline, Modoc Plateau); Modoc Plateau 1280 Comment
Read comments Oct 8 2007
  HSC80928  Sambucus nigra subsp. caerulea G. M. Riegel 1979-8-26 686 Modoc S Warner Mtns. 1670 Comment
  CAS-BOT-BC235063  Sambucus racemosa var. melanocarpa Frances Payne 1929-7-12 80 Modoc Lost Lake, Warner Mts. 2286 Comment
  UCR150480  Sambucus racemosa var. microbotrys David A. Charlet 1989-8-15 494 Modoc Warner Mountains; 1.2 km NW of Eagle Peak 2550 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
  CAS-BOT-BC15721  Sanicula graveolens Elmer Ivan Applegate 1932-7-31 7968 Modoc Mill Creek Meadow, W slope of Warner Mts. Comment
  CAS-BOT-BC15722  Sanicula graveolens Bruce Bartholomew; Barrett Anderson 1988-7-23 4559 Modoc Road beyond Poison Lake ca. 8 km S of the road from U.S. Highway 395 to Lily Lake, Warner Mts.. 2140 Comment
  CAS-BOT-BC15724  Sanicula graveolens Clare Butterworth Hardham 1961-6-18 7590 B Modoc Cedar Pass. 1828 Comment
  CHSC70461  Sanicula graveolens A. Sanger 1997-5-20 2471 Modoc Found along the Juniper line above a low sage flat to the southeast of Whitney Res. West of where the eastern road to the Res. deadends. 1432 Comment
  RSA540077  Sanicula graveolens Bruce Bartholomew, Anderson 1989-6-2 4840 Modoc Vicinity of Stough Reservoir, Warner Mountains. 1950 Comment
  CAS-BOT-BC95238  Saponaria officinalis Bruce Bartholomew 1989-8-12 5136 Modoc 4.2 km W of Likely on County Road 60. 1370 Comment
  CAS-BOT-BC95241  Saponaria officinalis Bruce Bartholomew 1989-8-10 5050 Modoc N side of Widow Valley, 10.1 km E of Day on County Road 94. Comment
  RSA70026  Sarcobatus vermiculatus F. W. Peirson 1926-6-26 6901 Modoc between Alturas and Canby Comment
  UC1567388  Saxifraga cespitosa Gary Schoolcraft and Rick York 1989-7-16 1968 Modoc s of Patterson Lake; Warner Mountains, Eagle Lake Area 2804 Comment
  RSA59513  Saxifraga nidifica var. claytoniifolia E. K. Balls 1950-5-12 14657 Modoc N of Bucks Creek Ranger Station. Modoc National Forest. E of Goose Lake. 1646 Comment
  UC1483867  Saxifraga nidifica var. nidifica G. Schoolcraft 1980-4-29 210 Modoc n of Adin (Harper Hill); Harper Hill 1402 Comment
  RSA503035  Saxifraga oregana Bruce Bartholomew, B. Anderson 1988-6-24 4367 Modoc Vicinity of Patterson Campground, southern end of the Warner Mountains. 2190 Comment
  NY784264  Saxifraga oregana var. oregana B. M. Bartholomew 1988-6-24 4367 Modoc Vicinity of Patterson Campground, southern end of the Warner Mountains. Emerson Peak 7 1/2' Quad. 2190 Comment
  UC1100758  Schoenoplectus acutus var. occidentalis Verne Grant and Irving Schneider 1947-8-28 8342 Modoc Pit River about 2 mi downstream from Canby; Pit River, downstream from Canby Comment
  RSA210790  Schoenoplectus pungens Robert F. Thorne, James Henrickson, C. W. Tilforth 1969-9-4 39072 Modoc South end of Goose Lake 1433 Comment
  UCD49970  Schoenoplectus pungens var. longispicatus Irving Schneider; Verne Grant 1947-7-19 8083 Modoc Williams Ranch, north of Likely. Comment
  UC1100761  Scirpus acutus var. occidentalis Herbert L. Mason, Verne Grant 1947-7-21 8129 Modoc Pit River 1/4 mi upstream from bridge on Highway 395 (n of Alturas); Pit River, n of Alturas Comment
  UC1537641  Scirpus acutus var. occidentalis Gordon H. True Jr. 1939-7-21 1012 Modoc n Canby (Jack Swamp); , n of Canby Comment
  JEPS63954  Scirpus microcarpus Frances D. Payne 1932-7-11 693 Modoc s and e Alturas (Parker Creek); Warner Mountains, , s and e of Alturas 1584 Comment
  UC1100836  Scirpus microcarpus Verne Grant and Irving Schneider 1947-7-20 8096 Modoc North Fork Pit River by Dorris Bridge (Alturas); North Fork Pit River, Alturas Comment
  POM186204  Scirpus microcarpus Milo S. Baker s.n. Modoc [no location specified] Comment
  RSA504649  Scirpus microcarpus Bruce Bartholomew, B. Anderson 1988-7-21 4604 Modoc Above Upper Rush Creek Campground ca. 4 km. E of State Highway 299 between Adin and Canby. 1580 Comment
  UCD92545  Scribneria bolanderi L. D. Whitney 1935-5-26 s.n. Modoc Lava Flat, near bank of Ash Creek. Near Adin. Comment
  CAS-BOT-BC197842  Scrophularia lanceolata John Thomas Howell 1934-6-12 12008 Modoc Between Davis Creek and Plum Valley. Comment
  CAS-BOT-BC197844  Scrophularia lanceolata Francis Dorris Payne 1932-5-27 412 Modoc Parker Creek. 1584 Comment
  UC748465  Scrophularia lanceolata Annie M. Alexander and Louise Kellogg 1946-7-5 4806 Modoc lava cliff w Lower Lake Comment
  POM42816  Scrophularia lanceolata R. M. Austin 1895-08 129 Modoc Goose Lake Valley Comment
  CAS-BOT-BC179220  Scutellaria nana B. Bartholomew; Barrett Anderson 1989-6-2 4809 Modoc 9.3 km E of Fort Bidwell on road to Fee Reservoir, NE corner of Surprise Valley. 1580 Comment
  CAS-BOT-BC179229  Scutellaria nana Elmer Ivan Applegate 1897-6-2 890 Modoc Near Alturas. Comment
  CAS-BOT-BC179219  Scutellaria nana Fred P. Cronemiller, Jr. 1920-6-10 5 Modoc McKenzie Spring. 1341 Comment
  UC25817  Scutellaria nana Milo S. Baker 1893-7-8 Modoc Comment
  UCSC000333  Sedum stenopetalum F. H. Frost 1925-7-13 75 Modoc Summit, Cedar Canyon - Warner Mountians Comment
  CAS-BOT-BC95619  Sedum stenopetalum subsp. stenopetalum Frederick H. Frost 1925-7-13 75 Modoc Summit, Cedar Canyon, Warner Mts. Comment
  CAS-BOT-BC50340  Senecio aronicoides Bruce Bartholomew; Barrett Anderson 1989-6-1 4766 Modoc South Fork Davis Creek in the vicinity of the Plum Valley camp ground. 1720 Comment
  RSA606137  Senecio canus L. C. Wheeler 1935-8-4 3778 Modoc Dry Lake, Pine Creek, Warner Mountains. 2104 Comment
  SEINET191900  Senecio canus Mrs. H. C. Cantelow 1940-6-2 Modoc 4 miles west of Alturas Comment
  UCR34707  Senecio fremontii J. A. Harpel 1981-8-6 V 29 Modoc Warner Mtns, South Warner Wilderness Area: E end of Patterson Lake, 7 mi NW of Eagleville 2744 Comment
  CAS-BOT-BC50285  Senecio hydrophilus Robert Folger Thorne; C. W. Tilforth 1969-9-5 39167 Modoc Clear Lake, Warner Mts. 1767 Comment
  UC1192092  Senecio hydrophilus Verne Grant and Irving Schneider 1947-7-23 8165 Modoc near first bridge w of Highway 395 <on> Jones Lane; South Fork of Pit River Comment
  CAS-BOT-BC50265  Senecio integerrimus Annie Montague Alexander; L. Kellogg 1946-7-18 5019 Modoc Benton Meadow. 2072 Comment
  CAS-BOT-BC50258  Senecio integerrimus var. exaltatus John Thomas Howell 1934-6-11 11950 Modoc Parker Creek, Warner Mountains 1584 Comment
  CAS-BOT-BC50300  Senecio integerrimus var. exaltatus Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-11 6489 Modoc Near SE corner of Big Sage Reservoir, 5.3 km E of Crowder Flat Road. 1580 Comment
  JEPS30375  Senecio integerrimus var. exaltatus Peter H. Raven 1962-5-29 17880 Modoc 3.4 mi e Cedar Pass; Warner Mountains Comment
  JEPS37286  Senecio integerrimus var. exaltatus N. T. Mirov 1929-6-22 Modoc near Fort Bidwell (e slope of Warner Mountains); Warner Mountains 2286 Comment
  JEPS5945  Senecio integerrimus var. exaltatus Frances D. Payne 1931-6-25 250 Modoc flat w Warren Peak; Warner Mountains 2133 Comment
  JEPS5941  Senecio triangularis Frances D. Payne 1931-6-25 257 Modoc 2 mi sw Warren Peak; Warner Mts., Pine Creek Basin 2316 Comment
  RSA11805  Sibbaldia procumbens Elmer I. Applegate 1923-8-1 8023 Modoc High summit of Warner Mtns. Just S of Warner Peak. Comment
  HSC27411  Sidalcea malviflora D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19463 Modoc Upper Rush Creek Campground, about 8 mi. N of Adin on Hwy. 299 Comment
  SBBG101312  Sidalcea oregana R. R. Halse 1991-7-28 4246 Modoc St Hwy 139, 13 mi NW of its jct with St Hwy 299 1469 Comment
  CAS-BOT-BC179066  Sidalcea oregana subsp. oregana Alice Eastwood; John Thomas Howell 1940-6-12 8040 Modoc Between Likely and Jess Valley. Comment
  CAS-BOT-BC179076  Sidalcea oregana subsp. oregana Alice Eastwood; John Thomas Howell 1940-6-13 8123 Modoc Dear Davis Creek. Comment
  POM260358  Sidalcea oregana subsp. oregana C. L. Hitchcock 1940-5-27 6680 Modoc 15 miles NE of Alturas. 1616 Comment
  UC201725  Sidalcea oregana subsp. oregana W. P. Taylor and H. C. Bryant 1910-6-11 Modoc Alturas Warner Mountains, , Alturas (S Fork Pitt R) 1402 Comment
  UC748251  Sidalcea oregana subsp. oregana Annie M. Alexander and Louise Kellogg 1946-6-17 4787 Modoc w side Pass , w side Pass (Cedar Pass Road) 1676 Comment
  CDA36501  Sidalcea oregana subsp. oregana T. C. Fuller 1958-7-8 s.n. Modoc 5 miles south of Davis Creek. 0 Comment
  CAS-BOT-BC179053  Sidalcea oregana subsp. spicata Leland S. Smith 1920-7-13 1188 Modoc Crowder Flat. 1371 Comment
  CHSC70472  Sidalcea oregana subsp. spicata A. Sanger 1997-7-9 2564 Modoc Little Willow Creek at crossing of County Rd. 181, in meadow S of Road. 1499 Comment
  RSA448221  Sidalcea oregana subsp. spicata George Willet 1935-6-12 s.n. Modoc 4 miles E. of Likely 1524 Comment
  CAS-BOT-BC191149  Sidalcea oregana subsp. spicata E. S. Willits 1940-6-9 339 Modoc Twelve Mile Creek. Comment
  UC748390  Silene douglasii Annie M. Alexander and Louise Kellogg 1946-7-7 4939 Modoc Eight Mile Creek Eight Mile Creek (ne corner of county) 1752 Comment
  UC1037202  Silene douglasii Leo Whitney 1934-6-5 1551 Modoc Modoc National Forest Modoc National Forest (on lava flows) 1371 Comment
  UC71563  Silene douglasii Mrs. M. H. Manning Aug 27 1903-Sep 5 1904 338 Modoc Tamarack Grove , Mt. Bidwell (Mt. Bidwell, north-eastern Modoc County) Comment
  CAS-BOT-BC95242  Silene douglasii var. douglasii Louis Cutter Wheeler 1935-8-5 3784 Modoc Pine Creek, Warner Mts. 2316 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
  CAS-BOT-BC95253  Silene douglasii var. douglasii Robert Patterson; Mona Bourell 1993-8-15 5265 Modoc Warner Mountains. Along trail from Patterson Lake to ca. 2 mi north towards Pepperdine Trailhead. 2743 Comment
  CAS-BOT-BC95261  Silene lemmonii Bruce Bartholomew; Barrett Anderson 1988-7-21 4411 Modoc Whitehorse Mts., 11 km N of Day on the road to Whitehorse Flat Reservoir. 1340 Comment
  CAS-BOT-BC389519  Silene menziesii Arnold Tiehm 1984-6-30 8840 Modoc NW side of Bidwell Mt., 2.8 road miles north of 8 mile creek on the road from Lake Annie 1828 Comment
  HSC4222  Silene menziesii M. T. Milligan 1964-7-4 216 Modoc Lassen Creek above lower campground 1829 Comment
  RSA324578  Silene menziesii subsp. dorrii A. Tiehm 1984-6-30 8840 Modoc NW side of Bidwell Mt., 2.8 road miles north of 8 mile creek on the road from Lake Annie. 1829 Comment
  UCD115502  Sisymbrium altissimum Herbert L. Mason 1947-7-10 13346 Modoc Dorris Reservoir, 2 miles east of Alturas. Comment
  CHSC117011  Sisyrinchium bellum Lowell Ahart; John Dittes 2016-6-6 20965 Modoc About 100 yards east of the Parking Area, about one mile south of the intersection of County Road 87 and Access Road to Pilot Butte Parking Area, 3.8 miles (air) east of Lookout, 7.5 miles (air) west of Adin, Ash Creek State Wildlife Area. 1271 Comment
  OBI48154  Sisyrinchium douglasii Rhonda Riggins 1989-4-28 1674 Modoc 0.3 mi W West Warner Rd on parker Creek Rd, W side Warner Mts 1463 Comment
  CAS-BOT-BC245080  Sisyrinchium idahoense var. idahoense Bruce Bartholomew 1994-7-1 6771 Modoc Turner Creek adjacent to Forest Service road 42N21. 1470 Comment
  HSC13935  Sisyrinchium idahoense var. idahoense M. T. Milligan 1965-7-11 445 Modoc N end of Jess Valley 1616 Comment
  SEINET3130370  Sitanion jubatum Baker, Nutting 1900-7-2 sn Modoc Egg Lake Comment
  RSA210837  Sium suave R. F. Thorne, C. W. Tilforth 1969-9-4 39050 Modoc Along N Fork of Pit River, 11.8 miles N of Alturas along Highway 395. 1372 Comment
  JEPS62134  Smilacina racemosa Leland S. Smith 1918-6-22 953 Modoc Lily Lake Modoc National Forest, High Grade District (near stream) Comment
  UC3868  Smilacina racemosa Milo S. Baker 1893-6-29 Modoc Comment
  JEPS62142  Smilacina stellata Leland S. Smith 1918-5-31 931 Modoc Buck Creek Ranger Station Modoc National Forest, Fandango Valley 1676 Comment
  CDA39384  Smilacina stellata T. C. Fuller 1963-6-11 10654 Modoc 3.1 miles north of Blue Lake Guard Station, 14.0 miles southeast of Likely. 0 Comment
  CAS-BOT-BC245431  Solanum physalifolium var. nitidibaccatum John Thomas Howell 1934-7-2 12365 Modoc W side of Clear Lake. Comment
  POM69607  Solanum physalifolium var. nitidibaccatum R. M. Austin 1895-07 s.n. Modoc Goose Lake. Comment
  CHSC100518  Solanum triflorum Lowell Ahart; John Dittes 2008-8-26 15339 Modoc Southeast side of Rose Creek, 700 feet southwest of confluence of Rose Creek and Pit River, on the northwest side of unnamed road, northeast of wire gate, 2710 feet east of intersection with County Road 85a, 9.3 miles (air) north-northeast of Lookout. 1276 Comment
  JEPS114457  Solanum triflorum Lowell Ahart, John Dittes 2008-8-26 15339 Modoc Southeast side of Rose Creek, 700 feet southwest of confluence of Rose Creek and Pit River, on the northwest side of unnamed road, northeast of wire gate, 2710 feet east of intersection with County Road 85a, 9.3 miles (air) north-northeast of Lookout 1276 Comment
  JEPS114782  Solanum triflorum Lowell Ahart, John Dittes 2008-8-25 15329 Modoc On the north bank of Ash Creek, Ash Creek State Wildlife Area, 4500 feet south of County Road 87, 2.7 miles (air) west of Adin, 9.1 miles (air) northeast of Bieber 1271 Comment
  RSA767685  Solanum triflorum L. Ahart, John Dittes 2010-8-30 17083 Modoc Parking area west of the old barn, on the west side of Elkin's Lane, Ash Creek State Wildlife Area, 320 feet north of Lassen County Line, about 4.4 air miles west of Adin, about 7.3 air miles northeast of Bieber, Big Valley. 1266 Comment
  CAS-BOT-BC245427  Solanum triflorum John Thomas Howell 1934-7-1 12310 Modoc Duncan House Camp Comment
  SJSU9676  Solidago spectabilis Wayne Savage 1979-8-23 1587 Modoc junction of Fairchild Swamp Rd & County Rte 86; Triangle, Round Valley Unit, Devils Garden Ranger District, Modoc National Forest 1493 Comment
  CAS-BOT-BC158916  Sorbus scopulina M. S. Baker 1899-8-1 s.n. Modoc Forest Dale Comment
  CAS-BOT-BC242257  Sparganium emersum Verne Grant; I. Schneider 1947-7-18 8057 Modoc S loop of E side road in Pit River Valley S of Alturas. Comment
  JEPS32231  Sparganium emersum var. emersum Mrs. M. H. Manning Jun 1903 434 Modoc ne Modoc County 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
  JEPS920  Sphenosciadium capitellatum L. S. Smith 1918-7-15 998 Modoc Mill Cr. Corral , Mill Cr. Corral (Modoc Forest) Comment
  CHSC112434  Spirodela polyrhiza Lowell Ahart; John Dittes, Todd Sloat 2013-6-8 18758 Modoc On the north side of levee, about 100 yards north of the Parking Area, northwest of the old barn, Ash Creek State Wildlife Area, about 3.9 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  POM69776  Stachys palustris subsp. pilosa R. M. Austin 1895-08 s.n. Modoc Goose Lake Valley Comment
  UC635183  Stachys palustris subsp. pilosa F. H. Frost 1925-7-24 104 Modoc Jess Valley Warner Mts. Comment
  CAS-BOT-BC179205  Stachys pilosa Alice Eastwood; John Thomas Howell 1940-6-12 8052 Modoc Between Likely and Jess Valley. Comment
  CAS-BOT-BC179210  Stachys pilosa B. Bartholomew 1995-8-1 7172 Modoc County road 13, ca. 3 km NW of Lake City. 1390 Comment
  SEINET5337009  Stellaria jamesiana M. J. Williams 1984-6-28 84- 67 -3 Modoc 2 miles north of intersection between Soldier Creek and Old cannon Mill roads. Warner Mtns, north of Cedar pass. 2057 Comment
  CAS-BOT-BC95229  Stellaria longipes Annie Montague Alexander; L. Kellogg 1946-7-10 4959 Modoc Eight Mile Creek, NE corner of county. 1755 Comment
  CAS-BOT-BC95290  Stellaria longipes var. longipes Roxana Stinchfield Ferris; R. Duthie 1919-6-14 141 Modoc Parker Creek at Modoc Nat. Forest Boundary. Comment
  HSC4281  Stellaria media M. T. Milligan 1966-4-8 453 Modoc N end of Jess Valley 1616 Comment
  CAS-BOT-BC95299  Stellaria nitens Bruce Bartholomew; Mona Bourell 1990-4-26 5149 Modoc 0.5 km S of Day. 1100 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-BC54300  Stenotus acaulis Elmer Ivan Applegate 1932-7-9 7574 A Modoc North slope of Bidwell Mountain, Warner Mountains Comment
  SBBG8314  Stenotus acaulis H. and M. Dearing 1939-6-9 3633 Modoc near Squaw Peak, Warner Mtns 2133 Comment
  UC748387  Stenotus acaulis Annie M. Alexander and Louise Kellogg 1946-8-9 5138 Modoc Patterson Lake Trail, Warner Mountains. Comment
  CAS-BOT-BC54273  Stephanomeria tenuifolia Francis Dorris Payne 1932-7-25 749 Modoc Parker Creek. 1584 Comment
  RSA722690  Stephanomeria tenuifolia Richard R. Halse 2006-8-4 6998 Modoc Along Patterson Mill Road, ca 4 miles SW of its jct with Surprise valley Road, E side of the southern Warner Mtns. Modoc National Forest. 2097 Comment
  HSC80835  Stipa lemmonii G. M. Riegel 1980-7-15 884 Modoc South Warner Mtns. 1670 Comment
  CAS-BOT-BC95050  Streptanthella longirostris Bruce Bartholomew 1993-6-13 6641 Modoc Consolidated sand dunes just W of Leonard Hot Spring, E side of Surprise Valley. 1410 Comment
  UC1736581  Streptanthus cordatus Dean Wm. Taylor with Glenn Clifton 1990-6-25 11162 Modoc Cedar Pass 2148 Comment
  UC1492722  Streptanthus cordatus Freed W. Hoffman 1955-7-14 4064 Modoc s side of road on roadcut 6 mi e junction of highways 395 and 8A; Modoc National Forest 1524 Comment
  CAS-BOT-BC95066  Streptanthus cordatus var. cordatus Bruce Bartholomew 1990-6-17 5342 Modoc W side of Fandango Pass near the summit, Warner Mountains. Comment
  CAS-BOT-BC95067  Streptanthus cordatus var. cordatus Alice Eastwood; John Thomas Howell 1940-6-13 8138 Modoc W side of Fandango Pass. Comment
  POM313016  Stuckenia pectinata H. L. Mason 1947-8-16 13564 Modoc Stronghold, northern Modoc county. Comment
  CAS-BOT-BC95576  Suaeda calceoliformis Bruce Bartholomew; Barrett Anderson 1990-7-20 5451 Modoc Margin of Goose Lake at S end of the causeway to McGinty Point. 1440 Comment
  CAS-BOT-BC95577  Suaeda calceoliformis Bruce Bartholomew; Barrett Anderson 1990-7-21 5560 Modoc W edge of Middle Alkali Lake, directly E of Cedarville, Surprise Valley. 1370 Comment
  CAS-BOT-BC180100  Swertia albicaulis var. albicaulis James Vale; et al 1981-5-23 4129 Modoc 2 mi. W of Lookout. Comment
  CAS-BOT-BC180109  Swertia albicaulis var. albicaulis John Thomas Howell 1934-6-12 11990 Modoc 9 mi. S of Davis Creek. Comment
  JEPS47012  Swertia albicaulis var. nitida Milo S. Baker 1893-7-20 Modoc near Forestdale (sw Modoc County) Comment
  UC22713  Swertia albicaulis var. nitida Milo S. Baker 1894-6-13 Modoc near Egg Lake Comment
  CAS-BOT-BC95188  Symphoricarpos rotundifolius var. rotundifolius Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10537 Modoc Warner Mountains, Modoc National Forest, Patterson Ranger Station (East Creek drainage). 2164 Comment
  CHSC27610  Symphoricarpos rotundifolius var. rotundifolius Robert A. Schlising 1978-7-29 3330 Modoc W slope of Warner Mountains, along trail in Pine Creek Basin. 2255 Comment
  JEPS12666  Symphoricarpos rotundifolius var. rotundifolius W. L. Jepson 1918-8-6 7833 Modoc Davis Creek; Sugar Hill 1524 Comment
  UC86736  Symphyotrichum ascendens Mrs. R. M. Austin Jun 1894 207 Modoc Goose Lake Valley Comment
  UCD136513  Symphyotrichum ascendens John C. Hays 1946-10-4 s.n. Modoc Alturas. Comment
  JEPS22082  Symphyotrichum bracteolatum W. L. Jepson 1918-8-12 7950 Modoc Jess Valley 1584 Comment
  CHSC109520  Symphyotrichum foliaceum var. parryi L. P. Janeway; B. Castro 2012-7-25 10986 Modoc Warner Mountains. Slope along north side of Dismal Swamp. 2216 Comment
  UC1192072  Symphyotrichum frondosum Verne Grant and Irving Schneider 1947-8-27 8317 Modoc southwest end of Clear Lake Comment
  UC71762  Symphyotrichum frondosum Mrs. M. H. Manning 1902-9-1 17 Modoc Comment
  JEPS40756  Symphyotrichum spathulatum W. L. Jepson 1918-8-9 7909 Modoc Ft. Bidwell 1447 Comment
  JEPS40838  Symphyotrichum spathulatum L. S. Smith 1918-7-15 999 Modoc Mill Creek Corral Modoc Forest 2087 Comment
  JEPS6016  Symphyotrichum spathulatum Frances D. Payne 1933-8-5 769 Modoc s and e of, (Parker Creek) Alturas; Warner Mountains, Parker Creek 1584 Comment
  UC1192203  Symphyotrichum spathulatum Verne Grant and Irving Schneider 1947-8-28 8335 Modoc nw of, (Jack Swamp) Alturas; Jack Swamp Comment
  CAS-BOT-BC232355  Synthyris missurica Bruce Bartholomew 1991-6-21 5801 Modoc Vicinity of Lily Lake, N end of the Warner Mountains. 2030 Comment
  RSA339137  Taeniatherum caput-medusae Margaret J. Williams 1984-6-30 84- 75 -3 Modoc 27.4 miles north of Cedar Pass Road on highway 395. 1296 Comment
  UCD86205  Taeniatherum caput-medusae L. Whitney 1935-7-20 3543 Modoc meadow near Canby. Comment
  SEINET5344502  Taeniatherum caput-medusae M. J. Williams 1984-6-30 84- 75 -3 Modoc 27.4 mi N of Cedar Pass road on Hwy 395 1295 Comment
  HSC6253  Taraxacum officinale M. T. Milligan 1965-6-23 287 Modoc N end Jess Valley 1616 Comment
  HSC6262  Taraxacum officinale M. T. Milligan 1966-7-3 531 Modoc E of Jess Valley 1982 Comment
  UC36615  Taraxacum officinale Mrs. R. M. Austin and Bruce May 1898 2178 Modoc Comment
  CHSC107330  Taraxia subacaulis Lowell Ahart; John Dittes 2011-6-21 17516 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
  UC70443  Taraxia subacaulis Milo S. Baker Modoc Forestdale Comment
  UC20479  Taraxia subacaulis Milo S. Baker 1893-7-1 Modoc edge of meadow Comment
  SBBG33670  Taraxia tanacetifolia T. L. Secrest 1951-6-22 Modoc Warner Mtns? Comment
  UC1075757  Taraxia tanacetifolia Robert J. Weatherby 1955-7-8 1616 Modoc 7 mi n Ft. Bidwell 1874 Comment
  UC107644  Taraxia tanacetifolia Mrs. R. M. Austin June 1894 Modoc Willow Creek Valley Comment
  UC1191747  Taraxia tanacetifolia Herbert L. Mason 1947-8-13 13523 Modoc n Canby (ne side of reservoir); F Reservoir Comment
  UC1035975  Taraxia tanacetifolia Helen K. Sharsmith 1955-6-26 4508 B Modoc adjacent to Hwy 39 ca 20 mi n Canby; Modoc National Forest 1524 Comment
  UC748417  Taraxia tanacetifolia Annie M. Alexander and Louise Kellogg 1946-6-10 4710 Modoc on shore Snake Lake Comment
  CHSC100356  Tetradymia canescens Lowell Ahart; John Dittes 2008-8-25 15299 Modoc On the west side of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-notheast of Lookout. 1273 Comment
  HSC81115  Tetradymia canescens G. M. Riegel 1980-7-14 879 Modoc S Warner Mtns. 1739 Comment
  SD61011  Tetradymia canescens Darley F. Howe 1964-8-1 Modoc 11 miles south of Alturas on Highway 395 1280 Comment
  UC71697  Tetradymia canescens Mrs. M. H. Manning 1902-1 29 Modoc near Fort Bidwell Comment
  UCR52255  Tetradymia canescens Roxana S. Ferris, Laura Lorraine 1941-8-14 s.n. Modoc Warner Mtns, 5 1/2 mi from Patterson Ranger Station on Eagleville Road. Modoc National Forest 1756 Comment
  HSC6275  Tetradymia canescens Ms. M. H. Manning 1902-9 28 Modoc NE Modoc Co. Comment
  JEPS60732  Thalictrum fendleri Frances D. Payne 1931-6-25 268 Modoc 2 mi sw Mt. Warren (se Modoc Co.); Pine Creek Basin 2316 Comment
  RSA504633  Thalictrum fendleri Bruce Bartholomew 1988-6-24 4319 Modoc Lily Lake, W side of the Warner Mtns. 2130 Comment
  POM203963  Thalictrum fendleri J. T. Howell 1934-6-14 12118 Modoc Near Lost Lake, Warner Mts. 2439 Comment
  UCR51753  Thelypodium milleflorum George Willet 1935-6-9 s.n. Modoc Eagleville 1402 Comment
  UC1037240  Thermopsis californica var. argentata Leo Whitney 1935-6-2 3177 Modoc near White Horse; White Horse Lake (flat) Comment
  CAS-BOT-BC95086  Thlaspi arvense Bruce Bartholomew; Barrett Anderson 1989-6-1 4751 Modoc ca. 0.5 km W of Davis Creek on road to S end of Goose Lake. 1460 Comment
  HSC6977  Thlaspi arvense M. T. Milligan 1966-4-18 448 Modoc N end Jess Valley 1616 Comment
  CDA36792  Thlaspi arvense D. B. Joley 1976-6-23 3 Modoc Likely, near Alturas. 0 Comment
  CDA3891  Thlaspi arvense T. C. Fuller 1958-7-8 1936 Modoc Corporation Ranch, Likely. 0 Comment
  SJSU9623  Thlaspi arvense W. Savage 1979-7-7 1433 Modoc Triangle, Fairchild Swamp Unit, Devils Garden District, Modoc National Forest 1493 Comment
  CAS-BOT-BC95087  Thysanocarpus curvipes Milo Samuel Baker 1893-6-16 Modoc Rocky south hillside. Comment
  NY1083233  Tiquilia nuttallii B. M. Bartholomew 1990-6-17 5317 Modoc Surprise Valley, 6.8 km west of Eagleville 1390 Comment
  CAS-BOT-BC54245  Townsendia scapigera Lemmon 1879-5-1 s.n. Modoc Modoc County. Comment
  SEINET4208345  Trichostema simulatum Richard R. Halse 2012-8-30 8710 Modoc At the junction of State Hwy. 139 and the Lookout-Hackamore Road (N.F. Road 46 road to Bieber); ca. 16 miles northwest of Canby.; 0 1418 Comment
  JEPS118253  Trifolium andersonii var. andersonii Lowell Ahart, John Dittes 2011-6-22 17560 Modoc On the east side of the road, about 100 yards north of the Pilot Butte Parking Lot, north edge of Ash Creek Floodplain, 1.1 miles (air) south of County Road 87, 7.7 miles (air) west of Aden [Adin], 10 miles (air) east of Lookout, Big Valley 1264 Comment
  CAS-BOT-BC181786  Trifolium cyathiferum Annie Montague Alexander; L. Kellogg 1946-7-12 4979 Modoc Twelve Mile Creek. Comment
  UCD32682  Trifolium cyathiferum Beecher Crampton 1954-7-6 2094 Modoc Road 56, following Shields Creek into Warner Mountains, 22 miles east of Alturas. 1676 Comment
  UC748302  Trifolium kingii var. productum Annie M. Alexander and Louise Kellogg 1946-6-25 4821 Modoc Dismal Swamp Warner Mtns (n end of mtns) 2255 Comment
  CAS-BOT-BC181750  Trifolium longipes Bruce Bartholomew 1993-6-12 6603 Modoc Tom Large Flat, W of Egg Lake. 1260 Comment
  CAS-BOT-BC181741  Trifolium longipes R. M. Austin 1894-7-1 Modoc Lake shore. Comment
  JEPS33193  Trifolium longipes var. hansenii Milo S. Baker 1893-6-12 Modoc Egg Lake Comment
  JEPS33202  Trifolium longipes var. hansenii Frances D. Payne 1931-6-25 253 Modoc 2 mi sw Warren Mtns (Pine Creek Basin) 2316 Comment
  CAS-BOT-BC181737  Trifolium macrocephalum E. S. Willits 1940-4-27 192 Modoc Davis Creek. Comment
  RSA0014359  Trifolium macrocephalum Joan Stewart 2005-6-6 2488 Modoc Stowe Reservoir, Warner Mountains. Comment
  RSA60362  Trifolium microcephalum E. K. Balls 1950-5-10 15963 Modoc 0.5 miles past fork of 395 and road to Cedarville, from Alturas. 1585 Comment
  CAS-BOT-BC181759  Trifolium productum Bruce Bartholomew 1991-5-24 5732 Modoc Near N side of Big Mud Lake at the Nevada State boundary. 1680 Comment
  CAS-BOT-BC181764  Trifolium productum K. Paulson; Robert Paulson 1988-7-9 72 Modoc Dismal Swamp, Warner Mts.. 2286 Comment
  RSA11935  Trifolium productum Elmer I. Applegate 1932-8-1 8022 Modoc High summit of Warner Mountains just south of Warren Peak. Comment
  HSC15136  Trifolium repens M. T. Milligan 1965-6-23 285 Modoc N end of Jess Valley 1616 Comment
  JEPS123865  Trifolium repens Lowell Ahart, John Dittes 2015-7-16 20366 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-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
  SEINET7073590  Trifolium willdenovii A. G. Vestal 1955-5-18 s.n. Modoc Modoc lava on Route 139. Modoc National Forest. UTM Zone 10, 646374mE, 4627855mN. Coordinate datum: NAD27. Comment
  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
  HSC81093  Trifolium wormskioldii G. M. Riegel 1980-7-30 974 Modoc S Warner Mtns. 2100 Comment
  SJSU9619  Trifolium wormskioldii W. Savage 1979-7-6 1404 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  UCD38345  Trifolium wormskioldii Beecher Crampton; with Carl Rimbey 1954-7-8 2169 Modoc Warner mountains, 15 miles east of Likely. Floor of Jess Valley. Comment