Search Results — 2000 specimen records retrieved (1523 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

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

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  JEPS36905  Achillea millefolium W. L. Jepson 1918-8-7 7862 Modoc Mt. Bidwell 2133 Comment
  SEINET6700454 Image available Achillea millefolium D. A. Charlet 1989-8-14 487 Modoc Warner Mountains; 1.4 kilometers north west of Eagle Peak; subalpine spring in whitebark pine forest 2550 Comment
  RSA520361  Achillea millefolium Bruce Bartholomew 1989-7-14 4926 Modoc Along Rush Creek between Lower and upper Rush Creek Campgrounds. 1520 Comment
  CAS-BOT-BC242287  Achnatherum Leland S. Smith 1924-5-31 s.n. Modoc W side Egg Lake. Comment
  CAS-BOT-BC242288  Achnatherum Louis Cutter Wheeler 1935-8-3 3752 Modoc Dismal Swamp. 2225 Comment
  UC1025068  Achnatherum Leo Whitney 1935-7-25 3548 Modoc near Lava Ranger Station (7 mi ne of Whitehorse) Comment
  CAS-BOT-BC242280  Achnatherum hymenoides Burgess L. Kay 1957-6-1 s.n. Modoc 2 mi. NE of Likely. Comment
  UC1037173  Achnatherum hymenoides Leo Whitney 1935-7-21 3534 Modoc cemetary Alturas Comment
  JEPS70581  Achnatherum hymenoides L. S. Smith 1917-7-13 85 Modoc ridge above R.S. Sec. 2 & 3 ((42-15); Warner Mts. 1981 Comment
  SEINET201566 Image available Achnatherum lemmonii A. Cronquist, AH Holmgren 1959-6-19 8495 Modoc Along Clear Lake Warner Mts. 15 mi E of Likely 1829 Comment
  UC1024716  Achnatherum lemmonii Leo Whitney 1935-5-20 3096 Modoc near Spaulding's Butte (Hackamore, ca. 15 mi nw of Canby); Modoc National Forest, Hackamore 1463 Comment
  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
  UCD50566  Achnatherum lemmonii L. Whitney 1935-7-7 3390 Modoc Howard Gulch, 4 miles NW of Canby. Comment
  UCD55580  Achnatherum lemmonii Beecher Crampton; Carl Rimbey 1954-7-6 2113 Modoc 20 miles E of Alturas. Warner Mountains. Above Shields Creek. Comment
  CAS-BOT-BC242319  Achnatherum lettermanii Bruce Bartholomew; Barrett Anderson 1990-7-19 5426 Modoc Top of Hunters Ridge S of Rush Creek. 1960 Comment
  SEINET5585613 Image available Achnatherum lettermanii R. J. Leader, C. S. Leader 1949-1 C- 218 Modoc Badger Wells, 10 miles east of Hackamore Forest Camp on the Canby-Klamath Falls highway 17 miles east of Canby, Modoc National Forest 1585 Comment
  UCD32712  Achnatherum nevadense Beecher Crampton 1954-7-7 2143 Modoc Modoc County, open slopes of cedar Pass summit. 1097 Comment
  CAS-BOT-BC242316  Achnatherum occidentale subsp. californicum Elmer Ivan Applegate 1932-7-31 7988 Modoc Mill Creek Meadow. 2438 Comment
  UC1024987  Achnatherum occidentale subsp. pubescens Leo Whitney 1935-7-7 3404 Modoc Spaulding's Butte near Hackamore (ca. 15 mi nw of Canby); Modoc National Forest 1463 Comment
  UC1025059  Achnatherum occidentale subsp. pubescens Leo Whitney 1935-7-30 3573 Modoc Devil's Garden Modoc National Forest 1524 Comment
  UCD23584  Achnatherum occidentale subsp. pubescens L. Whitney 1935-6-9 3206 Modoc White Horse. Comment
  SBBG128893  Acmispon americanus var. americanus L. Ahart 2008-8-25 15302 Modoc W bank (flood plane) of the Pit River, ca. 1/8 mi E of County Rd 91, ca. 3.8 mi (air) NNE of Lookout 1273 Comment
  NY483099  Aconitum columbianum subsp. columbianum B. Anderson 1986-7-10 3198 Modoc Warner Mountains. West Warner Road at the north fork of Pine Creek. 1935 Comment
  NY483173  Aconitum columbianum subsp. columbianum B. M. Bartholomew 1990-7-20 5498 Modoc Tamarack Flat, east side of Warner Mountains. 2150 Comment
  UC8852  Actaea rubra Milo S. Baker 1893-6 Modoc Comment
  HSC69608  Adenocaulon bicolor Gary Schoolcraft 1980-7-22 323 Modoc Lake City Canyon 1890 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
  CDA42846  Adonis aestivalis L. Ahart, John Dittes 2011-6-21 17514 Modoc About 150 yards west of the fence, south edge of the meadow, Ash Creek State Wildlife Area, about 2,300 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley. Comment
  CDA3514  Adonis aestivalis T. C. Fuller 1963-7-15 10907 Modoc South of Highway 299 to Adin, 2.0 miles west of Canby. 0 Comment
  UC1795596  Aegilops cylindrica J. Moreo 2002-6-24 PDR 1151611 Modoc Jasper Ranch, Willow Ranch, near New Pine Cr, Oregon Comment
  CAS-BOT-BC179885  Agastache urticifolia Elmer Ivan Applegate 1932-7-31 7956 Modoc Mill Creek Meadows, W slope of Warner Mountains. Comment
  HSC81097  Agastache urticifolia G. M. Riegel 1980-7-23 927 Modoc S Warner Mtns. 2100 Comment
  UCR34491  Agastache urticifolia J. A. Harpel 1981-8-7 V- 48 Modoc Warner Mtns, South Warner Wilderness Area: Pine Creek Basin Trail, 7 mi NW of Eagleville 2652 Comment
  SEINET7940441  Agastache urticifolia M. S. Baker 1893-1 s.n. Modoc Egg Lake. Comment
  UC71707  Agastache urticifolia Mrs. M. H. Manning 196 Modoc Mill Canyon; north-eastern Modoc County Comment
  UC76010  Agoseris heterophylla var. heterophylla Milo S. Baker 1893-1 Modoc Forestdale Comment
  CAS-BOT-BC126786  Agoseris parviflora Frances D. Payne 1932-6-26 612 Modoc N. of Parker Creek 1828 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
  UCD57174  Agropyron cristatum B. L. Kay 1957-6-1 s.n. Modoc Modoc Co. Comment
  UC1024982  Agrostis exarata Leo Whitney 1935-7-6 3416 Modoc Pitt River near Lookout; Pitt River Comment
  UC1024993  Agrostis exarata Leo Whitney 1935-7-7 3394 Modoc 4 mi nw Canby; Howard Gulch Comment
  UCD52339  Agrostis exarata L. D. Whitney 1935-7-24 s.n. Modoc near Hackamore. Comment
  HSC80911  Agrostis gigantea G. M. Riegel 1980-8-28 1123 Modoc S. Warner Mountains 2100 Comment
  HSC8798  Agrostis idahoensis M. T. Milligan 1966-7-5 561 Modoc Slopes and ridges E of Jess Valley 1768 Comment
  UC1024978  Agrostis pallens Leo Whitney 1935-7-6 3420 Modoc near Lookout; Pit River Comment
  UCD53116  Agrostis pallens L. Whitney 1935-7-6 s.n. Modoc Pit River. Stone Coal Valley. Comment
  UCD53170  Agrostis pallens L. Whitney 1935-7-5 s.n. Modoc Hackamore Reservoir. Comment
  POM172484  Agrostis scabra Franklin P. Nutting 1894-8-25 s.n. Modoc Forestdale Comment
  UCD53575  Agrostis stolonifera August L. Hormay 1932-7-15 s.n. Modoc Modoc National Forest, Crowder Ranger Station. Comment
  CAS-BOT-BC190683  Aliciella micromeria Bruce Bartholomew 1990-6-17 5336 Modoc Surprise Valley, SE corner of Upper Alkali Lake. 1390 Comment
  RSA534554  Aliciella micromeria Bruce Bartholomew 1991-5-24 5695 Modoc Surprise Valley, 5.1 km E of Eagleville 1370 Comment
  CAS-BOT-BC245221  Alisma gramineum Herbert Louis Mason 1955-8-13 14653 A Modoc SW side of Goose Lake. Comment
  CAS-BOT-BC245222  Alisma gramineum Alice Eastwood; John Thomas Howell 1940-6-12 8037 Modoc Likely. Comment
  UC985651  Alisma plantago-aquatica Herbert L. Mason 1947-8-12 13508 Modoc Alturas, junction of North and South Forks of Pit River Pit River Comment
  UC1100158  Alisma plantago-aquatica Herbert L. Mason 1955-8-13 14651 B Modoc s end Goose Lake Comment
  RSA210815  Alisma triviale Robert F. Thorne, James Henrickson, C. W. Tilforth 1969-9-4 39106 Modoc N Fork of Pit River 3.4 mi N of Alturas where crossed by Highway 395. 1341 Comment
  SEINET8466399 Image available Alisma triviale R. F. Thorne, J. Hendrickson, C. W. Tilforth 1969-9-4 39088 Modoc N fork of Pit River, 3.4 mi N of Alturas where crossed by Hwy 395 1341 Comment
  UCD137965  Alisma triviale Gerald Dickinson 1963-7-16 104 Modoc 3.2 miles east of Applegate - Lassen trail marker, on Fandango Road from Fort Bidwell. 1554 Comment
  RSA164387  Allium acuminatum Clare B. Hardham 1961-6-18 7566 Modoc East side Cedar Pass. 1524 Comment
  SEINET256828  Allium acuminatum M. J. Williams 1984-1 Modoc 0 Comment
  HSC29864  Allium amplectens D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19477 Modoc Upper Rush Creek Campground about 8 mi. N of Adin on Hwy. 299 Comment
  SEINET8399361  Allium amplectens Unknown 1919-6-14 Modoc Warner Mts. near Alturas. 2134 Comment
  UCD141840  Allium amplectens L. K. Mann; M. D. Mann 1963-6-18 s.n. Modoc 4.6 miles north of Adin toward Alturas. Comment
  CAS-BOT-BC244997  Allium anceps James D. Jokerst 1983-5-31 1809 A Modoc Near Signal Butte. 1340 Comment
  RSA367065  Allium lemmonii George Willet 1935-6-21 s.n. Modoc Modoc County: Warner Mtns. 2287 Comment
  HSC2972  Allium parvum M. T. Milligan 1964-4-25 Modoc N side of Doris Reservoir Comment
  CAS-BOT-BC244961  Allium platycaule K. Paulson; Robert Paulson 1988-5-24 14 Modoc Granger Canyon, Warner Mts.. 1554 Comment
  CAS-BOT-BC244962  Allium platycaule Elmer Ivan Applegate 1932-8-1 8060 Modoc Summit of Warner Mts. at S base of Warren Peak. Comment
  CHSC112078  Allium platycaule L. P. Janeway; B. Castro 2014-6-3 11314 Modoc Great Basin. Top of knoll between the lower end of Long Canyon and the lower end of Poison Springs Canyon, overlooking north end of Surprise Valley. 1567 Comment
  RSA249354  Allium platycaule D. H. Norris, T. Nelson, S. Dowty 1971-6-23 19473 Modoc At Upper Rush Creek Campground about 8 miles north of Adin on Highway 299. Comment
  RSA367109  Allium platycaule Christopher Davidson 1973-5-26 2112 Modoc Ca. 4 miles west of Canby on highway 299. 1341 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
  HSC67123  Allium platycaule Dale McNeal 1980-6-2 2341 Modoc Above Hwy. 395, 9.7 mi. S of Davis Creek Comment
  SEINET3878894  Allium platycaule D. W. McNeal 1980-6-2 2341 Modoc On a hillside above Hwy #395, 9.7 mi S of Davis Creek.; 0 Comment
  UC1094749  Allium platycaule Francia Chisaki 1956-5-29 865 Modoc 9.8 mi w Cedarville; Modoc National Forest Comment
  UCD143204  Allium platycaule L. K. Mann 1955-6-5 s.n. Modoc Near Cedar Pass, 3 miles towards Alturas from Modoc National Forest. Comment
  HSC30083  Allium tolmiei var. tolmiei D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-22 19314 Modoc Soup Springs Campground Comment
  JEPS127595  Allium tolmiei var. tolmiei L. P. Janeway 2016-5-16 11971 Modoc Modoc Plateau. Devils Garden area; along Road 47N07 1.8 road-km south of Road 181/73/47N09. McGinty Reservoir 7.5' Quad. Comment
  RSA504656  Allium validum Bruce Bartholomew, B. Anderson 1988-7-23 4585 Modoc Vicinity of Blue Bell Mine between Lily Lake and Dismal Swamp, Warner Mountains. 2170 Comment
  CHSC30630  Alopecurus Sandra C. Morey 1980-4-26 75 Modoc Hwy. 299, ca. 0.1 mi. n of jctn. with Hwy 139 at Adin. In ditch along roadside. 1280 Comment
  JEPS68428  Alopecurus aequalis Leland S. Smith 1918-6-22 942 Modoc Willow Creek below ranger station Willow Creek 1676 Comment
  UC1136996  Alopecurus aequalis August L. Hormay 1932-7-15 Modoc Pease Cabin Modoc Nat'l Forest, Pease Cabin Comment
  UCD55820  Alopecurus aequalis A. A. Beetle 1944-8-15 3024 Modoc 4 miles north of Lookout. Comment
  JEPS119858  Alopecurus carolinianus Lowell Ahart, John Dittes 2012-7-12 18357 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
  RSA739701  Alopecurus geniculatus John Dittes, Josephine Guardino 1991-7-21 430 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;, Northern edge of Ash Creek Floodplain (Big Swamp) at southeast base of Pilot Butte. 1259 Comment
  CAS-BOT-BC242343  Alopecurus geniculatus John H. Hatton 1911-6-12 47 Modoc unspecified - Modoc National Forest 1493 Comment
  CDA18403  Alopecurus pratensis G. D. Barbe, P. Hiatt & M. Keffer 1980-6-4 2803 Modoc Modoc Plateau; Eastside Canal/ Railroad crossing on Westside Road, north of Likely. 1341 Comment
  UC1024962  Alopecurus saccatus Leo Whitney 1935-7-12 3449 Modoc ca. 15 mi. n.w. Canby (Lake Joaquina); Modoc Nat'l Forest, Hackamore, Lake Joaquina 1463 Comment
  HSC64366  Alopecurus saccatus Don Bateman 1980-7-1 Modoc 10 mi. E of Tule Lake; 2 mi. S of Oregon border 1341 Comment
  SEINET10904353  Alyssum desertorum Paul Gallian, David B. Dunn 1971-6-3 Gallian 525 Modoc 5 mi s canby on state hwy 299, lupinus heavily carpeting hillsides of large basaltic boulders, sparse juniper-artemesia, purshia, poa assoc. 1280 Comment
  CDA3618  Alyssum minus var. micranthum Loring White 1967-5-26 Modoc Warner Mountains, Fandango Pass. 0 Comment
  NY718435  Alyssum parviflorum var. micranthum N. H. Holmgren 1998-5-30 12993 Modoc Surprise Valley, Fort Bidwell-Cedarville road, 1.8 km (1.1 mi) south of the Fandango Pass road and 31.2 km (19.4 mi) north of downtown Cedarville 1370 Comment
  JEPS85825  Alyssum simplex Barbara Ertter 1988-6-18 7607 Modoc w. side hwy 139 just s. of where it crosses railroad at jct to Clear Lake (n.e. of Dry Lake, e. of Lava Beds National Monument) 1249 Comment
  SEINET5340079  Alyssum simplex M. J. Williams 1988-5-28 88- 19 -4 Modoc Hwy 395, intersection with Davis Creek road. Comment
  CDA34280  Amaranthus blitoides L. Ahart, J. Dittes 2010-8-31 17106 Modoc About 10 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, and about 7.7 miles (air) northeast of Bieber, Big Valley. Comment
  CHSC117260  Amaranthus californicus Lowell Ahart; John Dittes 2016-7-14 21182 A Modoc West side of a new pond, south of Ash Creek Canal (now filled in), south of Ash Creek, Ash Creek State Wildlife Area, 0.79 miles (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. 1273 Comment
  CDA13478  Amaranthus powellii G. F. Hrusa, T. D. Wilfred 1996-7-21 13325 Modoc Modoc Plateau; Adjacent to Pit River at Modoc Co. Rd. 90 bridge. E base of Splawn Mtn. N end of Big Valley. Comment
  JEPS114664  Amaranthus powellii Lowell Ahart, John Dittes 2008-8-25 15290 Modoc On the west bank of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout 1273 Comment
  RSA59866  Amelanchier pallida E. K. Balls 1950-5-11 14611 Modoc West of Middle Lake, between Eagleville and Cedarville. 1433 Comment
  CAS-BOT-BC214626  Amelanchier utahensis Roxana Stinchfield Ferris; R. Duthie 1919-6-14 77 Modoc Parker Creek, near Modoc Nat. Forest Boundary. Comment
  CAS-BOT-BC214629  Amelanchier utahensis Francis Dorris Payne 1929-6-24 22 Modoc Pine Creek above Fitzhugh Springs. 1828 Comment
  CAS-BOT-BC214633  Amelanchier utahensis A. D. Borden 1911-8-9 s.n. Modoc Mall place, S side of Shield Creek. Comment
  CHSC100458  Amelanchier utahensis Lowell Ahart; John Dittes 2008-8-25 15326 Modoc On the east side of East Gouger Neck Road, east of the Pit River, 2.1 miles by road from County Road 91, 5.6 miles (air) northeast of Lookout. 1293 Comment
  UC12109  Amelanchier utahensis Mrs. R. M. Austin and Bruce Jul 1898 2343 Modoc Mt. Bidwell 2438 Comment
  UC859121  Amelanchier utahensis C. L. Hitchcock 1940-5-27 6701 Modoc 15 mi ne Alturas 1676 Comment
  CAS-BOT-BC217092  Amelanchier utahensis John H. Hatton 1911-6-10 31 Modoc Modoc County. 1371 Comment
  UCD48753  Amphiscirpus nevadensis Louis C. Wheeler 1935-9-4 3944 Modoc McGinty Point, Goose Lake, Modoc. Co. 1463 Comment
  CAS-BOT-BC54153  Amsinckia menziesii Alice Eastwood; John Thomas Howell 1940-6-13 8161 Modoc Fort Bidwell. Comment
  CAS-BOT-BC54198  Amsinckia menziesii John Thomas Howell 1934-6-16 12211 Modoc Parker Creek, Warner Mountains 1584 Comment
  JEPS127306  Amsinckia menziesii Lowell Ahart, John Dittes 2016-7-14 21159 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-BC54164  Amsinckia tessellata var. tessellata John Thomas Howell 1934-6-16 12210 Modoc Parker Creek, Warner Mountains 1584 Comment
  CAS-BOT-BC54167  Amsinckia tessellata var. tessellata Elmer Ivan Applegate 1897-5-31 883 Modoc Bloody Point, Tule Lake. Comment
  SJSU9567  Ancistrocarphus filagineus W. Savage 1979-7-3 1309 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  SEINET2040119  Antennaria argentea Annie M. Alexander, Kellogg, Louise 1946-6-17 4785 Modoc Cedar Pass road. 1770 Comment
  CAS-BOT-BC15624  Antennaria dimorpha C. C. (Mrs.) Bruce 1893-4-1 111 Modoc Davis Creek. Comment
  POM40357  Antennaria dimorpha Mrs. R. M. Austin 1895-07 s.n. Modoc Goose Lake Valley. Comment
  CHSC63376  Antennaria flagellaris Vernon H. Oswald; Beth Corbin, Allison Sanger 1994-7-9 6375 Modoc Dismal Swamp ca. 6 mi (air) E of Hwy. 395, just S of the Oregon border. 2218 Comment
  JEPS14940  Antennaria geyeri L. S. Smith 1924-1-1 1407 Modoc Comment
  CAS-BOT-BC15589  Antennaria luzuloides Ethel S. Willits 1940-5-4 209 Modoc Willow Ranch 1371 Comment
  RSA152441  Antennaria luzuloides I. L. Wiggins, Dorothy Wiggins 1961-6-12 16426 Modoc Moderate slope near summit of Cedar Pass, between Alturas and Cedarville 1921 Comment
  UC1302430  Antennaria luzuloides Clare B. Hardham 1961-6-18 7556 Modoc hills 3 mi se Cedar Pass; Warner Mountains Comment
  SBBG22250  Antennaria rosea C. B. Hardham 1961-6-20 7883 a Modoc rd from Mt Bidwell to Dismal Crk 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
  HSC4637  Antennaria rosea subsp. rosea M. T. Milligan 1965-6-27 363 Modoc E slope of eroded volcanic plateau. 1677 Comment
  CAS-BOT-BC15564  Antennaria umbrinella Robert Patterson; Mona Bourell 1993-8-15 5278 Modoc Warner Mountains. Along trail from Patterson Lake to ca. 2 mi north towards Pepperdine Trailhead. 2743 Comment
  CAS-BOT-BC15688  Apocynum androsaemifolium Annie Montague Alexander; L. Kellogg 1946-6-28 4867 Modoc Pine Creek Canyon. 1615 Comment
  UC71837  Apocynum androsaemifolium Mrs. M. H. Manning 1903-6 200 Modoc near Ft. Bidwell Ft. Bidwell; n.e. Modoc Co. Comment
  SDSU2588  Apocynum androsaemifolium D. F. Howe 1964-8-3 3928 Modoc 34.5 miles north of Alturas on #395. 1402 Comment
  RSA503044  Apocynum androsaemifolium subsp. pumilum K. Paulson, R. Paulson 1988-7-13 77 Modoc Clear Lake area, Warner Mountains Comment
  SFV18021  Apocynum cannabinum J. A. Matos, D. C. Rudolph 1999-8-7 s. n. Modoc Pothole Creek near Pothole Spring. Near crossing of Clear Lake Road. 1470 Comment
  RSA84425  Aquilegia formosa F. W. Peirson 1926-6-25 6879 Modoc small side canyon on Cedarville road 1 mile W of summit of Warner Mts. Comment
  UC71831  Aquilegia formosa Mrs. M. H. Manning 231 Modoc near Fort Bidwell Comment
  UC9011  Aquilegia formosa Milo S. Baker 1893-6-29 Modoc Comment
  HSC81079  Arabis glabra G. M. Riegel 1978-6-26 19 Modoc S Warner Mtns. 1670 Comment
  HSC6568  Arabis holboellii var. retrofracta M. T. Milligan 1964-4-25 Modoc S of Lower Cummings Reservoir Comment
  HSC81059  Arabis lyallii G. M. Riegel 1980-9-3 1140 Modoc S Warner Mtns. 1829 Comment
  SEINET3899867  Arabis puberula Reed C. Rollins, Kathryn W. Rollins 1981-6-1 81192 Modoc Warner Mountains, 3.3 miles west of Lake City.; 0 Comment
  UC1010416  Arabis subpinnatifida E. K. Balls 1950-5-14 14691 Modoc 0.2 mi s Modoc National Forest south boundary (trail from Alturas to Thomas Reservoir) 1524 Comment
  HSC81063  Arabis suffrutescens G. M. Riegel 1980-8-25 1106 Modoc S Warner Mtns. 1739 Comment
  POM131958  Arctostaphylos manzanita subsp. manzanita Milo S. Baker 1893-1 9388 Modoc Mt. Side Comment
  CAS-BOT-BC95642  Arctostaphylos nevadensis Bruce Bartholomew 1990-6-17 5354 Modoc 12 km N of Buck Creek Ranger Station, E side of Warner Mountains. 2130 Comment
  SEINET2149921  Arctostaphylos nevadensis K. T. Harper 1974-1 131 Modoc Warner Mountains, Mt. Bidwell road. 2134 Comment
  RSA604427  Arctostaphylos patula L. C. Wheeler 1935-9-16 3987 Modoc 1 mi. S Everly Reservoir, Devil's Garden. 1524 Comment
  RSA17681  Arenaria aculeata Elmer I. Applegate 1932-7-9 7600 Modoc North slope of Bidwell Mountain, Warner Mountains Comment
  UC748051  Arenaria aculeata Annie M. Alexander and Louise Kellogg 1946-6-27 4846 Modoc (top of ridge, two miles by road from Dismal Swamp) north end of Warner Mountains 2377 Comment
  RSA520446  Arenaria congesta Bruce Bartholomew, B. Anderson 1990-7-20 5458 Modoc 4 km N of Buck Creek Ranger Station at turn off to Del Prat Spring, W side of Warner Mts. 1900 Comment
  RSA610787  Arenaria congesta L. C. Wheeler 1935-9-12 3980 Modoc Devils Garden: 2 miles SW Poindexter Reservoir. 1524 Comment
  UC1368463  Arenaria congesta var. subcongesta R. K. Gierisch 1969-7-15 3544 Modoc Comment
  UC29627  Arnica chamissonis Milo S. Baker 1893-6-20 Modoc Egg Lake Comment
  UC29628  Arnica chamissonis Milo S. Baker 1893-6-20 Modoc Egg Lake Comment
  CHSC109457  Arnica cordifolia B. Castro; 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. 2315 Comment
  UC615049  Arnica cordifolia Beryl O. Schreiber 1934-6-10 1168 Modoc Lost Lake Warner Mountains Comment
  JEPS35918  Arnica cordifolia N. T. Mirov 1929-7-4 Modoc 1 mi s Oregon-California boundary; Warner Mountains, Lily Lake 2133 Comment
  POM98603  Arnica cordifolia F. W. Peirson 1926-6-25 s.n. Modoc Small side canyon 1 mile east of summit of Warner Mountains on Cedarville Road. Comment
  HSC4703  Arnica longifolia M. T. Milligan 1966-8-8 639 Modoc West slope of Eagle Peak 2439 Comment
  CAS-BOT-BC15285  Arnica mollis Bruce Bartholomew; Barrett Anderson 1988-7-22 4540 Modoc Side Creek, W side of Lake City Canyon, E side of the Warner Mts.. 1980 Comment
  RSA606144  Arnica mollis L. C. Wheeler 1935-8-14 3855 Modoc Lily Lake, Pine Creek, Warner Mts. 2134 Comment
  SEINET6775094 Image available Arnica mollis D. A. Charlet 1989-8-14 476 Modoc Warner Mountains, 1.4 km northwest of Eagle Peak, at spring 2550 Comment
  UCR34673  Arnica mollis J. A. Harpel 1981-8-6 V- 18 Modoc Warner Mtns, South Warner Wilderness Area: E end of Patterson Lake, 7 mi NW of Eagleville 2744 Comment
  CAS-BOT-BC15251  Arnica sororia Francis Dorris Payne 1932-6-24 598 Modoc Parker Creek. 1584 Comment
  SEINET3096630 Image available Arnica sororia Alice Eastwood, John Thomas Howell 1940-6-12 8088 Modoc Jess Valley Comment
  CHSC67333  Artemisia arbuscula James D. Jokerst 1986-8-11 2756 Modoc Radar Site Survey S of Doublehead Mtn., S of road to Doublehead Mtn. Comment
  JEPS89422  Artemisia arbuscula subsp. arbuscula Dean Wm. Taylor with Glenn L. Clifton 1989-8-5 10481 Modoc flat in SE1/4 Section 3, Warner Mountains Warner Mountains 2392 Comment
  CHSC96339  Artemisia cana subsp. bolanderi Richard R. Halse 2006-8-4 6995 Modoc Modoc National Forest, Patterson Station Campground, ca. 15 air miles east of Likely, south end of the Warner Mountains. 2109 Comment
  UC75823  Artemisia douglasiana Milo S. Baker Modoc Forestdale Comment
  SEINET8253630  Artemisia ludoviciana Richard R. Halse 2006-8-4 6994 Modoc Modoc National Forest, Patterson Station Campground, ca. 15 air miles east of Likely, south end of the Warner Mountains. 2109 Comment
  CAS-BOT-BC15256  Artemisia ludoviciana subsp. incompta Francis Dorris Payne 1934-8-29 s.n. Modoc Parker Creek. 1584 Comment
  CAS-BOT-BC15262  Artemisia ludoviciana subsp. incompta Elmer Ivan Applegate 1932-8-5 8167 Modoc Cedar Mountain. Comment
  JEPS37011  Artemisia ludoviciana subsp. incompta W. L. Jepson 1918-8-6 7835 Modoc Fandango Pass 1584 Comment
  SEINET212885  Artemisia ludoviciana subsp. incompta K. L. Chambers, Ron Tyrl 1965-9-22 2432 Modoc Cedar Pass, Warner Mountains 1920 Comment
  HSC65590  Artemisia ludoviciana subsp. ludoviciana Thomas Wood 1979-8-9 238 Modoc Dirt Road along Bidwell Creek, 2.8 mi. NW of junction with Co. Hwy. 2 N of Fort Bidwell 1509 Comment
  UC71701  Artemisia ludoviciana subsp. ludoviciana Mrs. M. H. Manning 1902-10-4 21 Modoc Mt. Bidwell Comment
  CAS-BOT-BC15201  Artemisia spinescens Bruce Bartholomew; Barrett Anderson 1989-4-29 4694 Modoc E side of Surprise Valley, just W of the Nevada border and ca. 15 km E of Cedarville. 1500 Comment
  UCR64882  Artemisia tridentata George K. Helmkamp 1990-9-23 H- 4 Modoc US Hwy 395, 13 mi north of Likely 1345 Comment
  CAS-BOT-BC15206  Artemisia tridentata subsp. tridentata Robert Patterson; Mona Bourell 1993-8-15 5245 Modoc South Warner Wilderness Area. Warner Mountains. 2743 Comment
  UC71705  Artemisia tridentata subsp. tridentata Mrs. M. H. Manning Sep 1 1902-Oct 1 1902 30 Modoc near Fort Bidwell Comment
  SEINET3397749  Artemisia tridentata subsp. wyomingensis Unknown 1994-1 s.n. Modoc 5 mi. N. of Likely Comment
  CAS-BOT-BC15699  Asclepias cordifolia Bruce Bartholomew; Barrett Anderson 1988-7-21 4463 Modoc Vicinity of Patterson Campground, southern end of the Warner Mts. 2190 Comment
  RSA520440  Asclepias cordifolia Bruce Bartholomew 1990-6-15 5218 Modoc SW side of Hunters Ridge, 6.3 km SSE of Hwy 299 on road from Rush Creek. 1640 Comment
  CAS-BOT-BC54126  Asperugo procumbens Herbert Louis Mason; Verne Grant 1947-7-12 13416 Modoc Near S end of W Side Road, Pit River Valley, S of Alturas. Comment
  RSA210851  Aster ascendens R. F. Thorne, J. Henrickson, C. W. Tilforth 1969-9-4 39125 Modoc On muddy spit and shore of N Fork of Pit River 3.4 mi. N of Alturas where crossed by Highway 395. 1341 Comment
  CDA13470  Aster campestris G. F. Hrusa, T. D. Wilfred 1996-7-21 13317 Modoc Modoc Plateau; Along Pit River at Modoc Co. Rd. 90 bridge. E base of Splawn Mtn. N end of Big Valley. Comment
  RSA210834  Aster frondosus R. F. Thorne, J. Henrickson, C. W. Tilforth 1969-9-4 39073 Modoc East shore of Goose Lake at Willow Ranch 1433 Comment
  POM229871  Aster integrifolius L. C. Wheeler 1935-8-16 3888 Modoc Warner Mountains: Dismal Swamp, Twenty Mile Creek. 2226 Comment
  POM312494  Aster occidentalis H. L. Mason 1947-8-9 13480 Modoc East side of Fairchild Swamp, north of Alturas Comment
  UCR67440  Aster subspicatus George K. Helmkamp 1990-9-23 I- 20 Modoc Warner Mtns, Goose Lake, within 0.1 mi of the Oregon border 1476 Comment
  CAS-BOT-BC180154  Astragalus Annie Montague Alexander; L. Kellogg 1946-6-10 4717 Modoc Slope facing Lower Lake, lava bench below Lower and Snake lakes. Comment
  RSA415789  Astragalus californicus Christopher Davidson 1975-6-4 2627 Modoc Canby Bridge across Pit R., ca. 4 mi. S of Canby on Hwy 299. 1341 Comment
  CAS-BOT-BC218214  Astragalus curvicarpus var. curvicarpus E. S. Willits 1940-5-21 285 Modoc Willow Ranch. 1371 Comment
  CAS-BOT-BC218219  Astragalus curvicarpus var. curvicarpus Annie Montague Alexander; L. Kellogg 1946-6-10 4723 Modoc Slope facing Lower Lake, lava bench between Lower and Snake lakes. Comment
  CAS-BOT-BC218220  Astragalus curvicarpus var. curvicarpus Bruce Bartholomew 1993-6-14 6674 Modoc Vicinity of Badger Well. 1500 Comment
  CHSC70727  Astragalus curvicarpus var. curvicarpus A. Sanger 1997-6-2 2478 Modoc Casuse Mtn., adjacent to road running along eastern edge. 1267 Comment
  SJSU9635  Astragalus curvicarpus var. curvicarpus W. Savage 1979-7-7 1456 Modoc Triangle, Fairchild Swamp Unit, Devils Garden District, Modoc National Forest 1508 Comment
  CAS-BOT-BC218216  Astragalus curvicarpus var. curvicarpus Mrs. H. C. Cantelow 1935-6-8 Modoc NE of Bieber. Comment
  SD131809  Astragalus filipes Barbara Ertter 1988-6-18 7619 Modoc Highway 139, 50 miles southwest of Klamath Falls, a few miles north Agricultural Inspection Station, 1.0 mile south of south junction to Lava Beds National Monument east of Tonesta. 1310 Comment
  HSC14513  Astragalus filipes R. C. Wunner 1965-6-26 282 Modoc Lava Beds N. M., .1 mi. from Blue Eyes Point by side of road. Comment
  JEPS54660  Astragalus filipes Leland S. Smith 1919-6-8 1126 Modoc Deep Creek above station (Modoc Forest); , Deep Creep above station 1676 Comment
  JEPS65672  Astragalus filipes Frances D. Payne 1932-6-22 580 Modoc s and e Alturas (Parker Creek); Warner Mountains, , s and e of Alturas 1584 Comment
  RSA0029193  Astragalus filipes John F. Emmel 1997-6-8 1493 Modoc Along Hwy 395 ca. 5.5 road mi south of Alturas, 0.6 road mi south of highway crossing of South Fork Pit River. 1341 Comment
  UC397284  Astragalus filipes M. F. Gilman 549 Modoc Comment
  CHSC112420  Astragalus lemmonii Lowell Ahart; John Dittes, Todd Sloat 2013-6-8 18766 Modoc About 300 yards northeast of the Parking Area, northeast of the old barn, Ash Creek State Wildlife Area, about 3.9 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  CAS-BOT-BC182051  Astragalus malacus Bruce Bartholomew 1991-5-24 5713 Modoc Surprise Valley, E of Eagleville at the Nevada State boundary. 1520 Comment
  CAS-BOT-BC182052  Astragalus malacus Bruce Bartholomew 1995-5-13 6911 Modoc 4.8 km W of Eagleville, E side of the S end of Surprize Valley. 1480 Comment
  NY676225  Astragalus malacus B. M. Bartholomew 1995-5-13 6911 Modoc 4.8 km west of Eagleville, east side of the south end of Surprise Valley 1480 Comment
  CAS-BOT-BC182049  Astragalus obscurus Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-13 6535 Modoc Just W of Mud Lake on road to West Valley Reservoir. 1460 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-BC182044  Astragalus purshii Gordon H. True 1964-6-3 1432 Modoc North Fork Pit River between Alturas and Goose Lake. 1463 Comment
  CAS-BOT-BC182046  Astragalus purshii Mrs. H. C. Cantelow 1940-6-2 Modoc 4 miles west of Alturas, Klamath Falls Hwy., on road to Bad Lands 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
  JEPS54806  Astragalus purshii var. tinctus Leland S. Smith 1917-6-15 806 Modoc Jess Valley , Jess Valley (Warner Mts.) Comment
  POM45523  Astragalus purshii var. tinctus R. M. Austin 1895-05 s.n. Modoc Goose Lake Valley. Comment
  RSA415669  Astragalus purshii var. tinctus Christopher Davidson 1975-6-4 2608 Modoc 1/4 mi. W of Cedarville on Hwy 299. 1463 Comment
  POM275213  Astragalus whitneyi A. M. Alexander, Louise Kellogg 1946-7-23 5043 Modoc East slope of Emerson Peak, Warner Mountains. Comment
  UC13370  Astragalus whitneyi Mrs. R. M. Austin and Bruce June 1898 2209 Modoc Foothills Comment
  CAS-BOT-BC27735  Astragalus whitneyi var. confusus Harry Dwight Dillon Ripley; Rupert Charles Barneby 1944-5-31 5992 Modoc Mesa NW of Alturas 1371 Comment
  RSA415765  Astragalus whitneyi var. confusus Christopher Davidson 1973-5-26 2122 Modoc 4 miles W of Canby on Hwy 299. 1341 Comment
  CAS-BOT-BC182000  Astragalus whitneyi var. lenophyllus E. S. Willits 1940-5-20 283 Modoc Canby. Comment
  CAS-BOT-BC182008  Astragalus whitneyi var. lenophyllus Bruce Bartholomew 1989-7-14 4924 Modoc Along Rush Creek between Lower and Upper Rush Creek Campgrounds. 1580 Comment
  CAS-BOT-BC30204  Athyrium filix-femina subsp. cyclosorum Bruce Bartholomew 1994-7-2 6826 Modoc North Fork of Davis Creek, W side of the Warner Mountains. 1910 Comment
  CAS-BOT-BC58461  Athysanus pusillus Bruce Bartholomew; Barrett Anderson 1989-4-27 4626 Modoc Little Hot Spring Valley, 4.0 km NW of Day. 1070 Comment
  NY119641  Athysanus pusillus R. C. Rollins 1981-6-1 81189 Modoc Cedar Summit, between Alturas and Cedarville, off California Hwy. 299 1889.8 Comment
  CHSC106320  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
  JEPS117249  Atriplex patula var. obtusa Lowell Ahart, John Dittes 2010-8-31 17112 Modoc About 10 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
  HSC9028  Avena fatua M. T. Milligan 1964-8-8 211 Modoc Corner of East D and 8th Street, Alturas 1372 Comment
  UC1024847  Avena fatua Leo Whitney 1935-6-9 3202 Modoc near White Horse; White Horse lake (Flat) Comment
  POM312955  Azolla filiculoides Herbert L. Mason 1947-8-12 13503 Modoc Junction of North and South forks of Pit River, Alturas. Comment
  UC1536810  Azolla filiculoides Gordon H. True Jr. 1939-7-21 1019 Modoc near Canby (Pit River) Comment
  CAS-BOT-BC15143  Balsamorhiza X terebinthacea Alice Eastwood; John Thomas Howell 1940-6-12 8079 Modoc Jess Valley. Comment
  UC75935  Balsamorhiza hookeri Milo S. Baker Modoc near Egg Lake 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-BC15186  Balsamorhiza hookeri var. lanata Francis Dorris Payne 1929-6-23 20 Modoc Parker Creek. 1584 Comment
  CAS-BOT-BC15194  Balsamorhiza hookeri var. lanata Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-13 16474 Modoc 2.4 mil. S of Village of Davis Creek, SE side of Goose Lake Comment
  CAS-BOT-BC15130  Balsamorhiza sagittata Annie Montague Alexander; L. Kellogg 1946-6-10 4720 Modoc Lava bench between Lower and Snake lakes, on a slope facing Lower Lake Comment
  CAS-BOT-BC15133  Balsamorhiza sagittata Edward Kent Balls 1950-5-10 15966 Modoc 0.5 mi. E past fork of Hwy 395 and road to Alturas. 1584 Comment
  JEPS30489  Balsamorhiza sagittata Peter H. Raven with Otto T. Solbrig 1958-6-18 13316 Modoc 8.8 mi s of Happy Camp Guard Station (Modoc National Forest); Modoc National Forest Comment
  UC1119025  Balsamorhiza sagittata R. C. Wilson 1933-6-20 47 Modoc Rush Creek, Canby Canby 1463 Comment
  CAS-BOT-BC15140  Balsamorhiza serrata Edward Kent Balls 1950-5-13 14672 Modoc W side of Goose Lake, 0.2 mi S of Oregon-California State Line. 1463 Comment
  CAS-BOT-BC383142  Balsamorhiza serrata Andrew Townesmith; Karen M. Meyer 2007-9-15 929 Modoc Modoc National Forest, Warner Mountain Ranger District. Along state route 299, 10.9 miles west of junction with US route 395. At Cedar Pass 1928 Comment
  CAS-BOT-BC499171  Balsamorhiza serrata B. Bartholomew 1991-5-24 5726 Modoc 1.3 km NE of road between Fort Bidwell and Fee Reservoir on road to Big Mud Lake 1580 Comment
  CAS-BOT-BC58631  Barbarea orthoceras Annie Montague Alexander; L. Kellogg 1946-7-17 5009 Modoc Benton Meadow, Warner Mts. 2072 Comment
  CAS-BOT-BC58672  Barbarea orthoceras Bruce Bartholomew 1994-7-2 6810 Modoc E of Bald Mtn. on E side of the Warner Mountains. 2150 Comment
  HSC6576  Barbarea orthoceras M. T. Milligan 1965-7-10 435 Modoc W slope of Eagle Peak 2439 Comment
  HSC6577  Barbarea orthoceras M. T. Milligan 1964-7-25 181 Modoc Pine Creek Basin, along trail. 2439 Comment
  JEPS118474  Barbarea orthoceras Lowell Ahart, John Dittes 2011-6-21 17518 Modoc About 130 yards west of the fence, south edge of the meadow, Ash Creek State Wildlife Area, about 2,300 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley 1267 Comment
  JEPS53241  Barbarea orthoceras Frances D. Payne 1931-6-25 252 Modoc 2 mi sw Warren Mt. (se Modoc County); Pine Creek Basin 2316 Comment
  RSA554804  Barbarea vulgaris Margaret J. Williams, Thad Holcomb, Betty Holcomb, Lois Saxton 1988-5-28 88- 21 -1 Modoc Crowder Flat road, W of Alturas. Road leads to Devil s Garden and Big Sage Reservoir and is near Hwy 299. Comment
  NY529207  Bassia hyssopifolia B. M. Bartholomew 1989-8-11 5082 Modoc Sand Creek, Surprise Valley, 5 km west of Nevada border on State Highway 299. 1400 Comment
  CAS-BOT-BC54178  Berberis aquifolium var. repens Elmer Ivan Applegate 1932-8-5 8166 Modoc Cedar Pass, Warner Mts. Comment
  OBI20534  Berberis aquifolium var. repens H. E. McMinn 1931-5-23 2445 Modoc Fandango Pass, Warner Mts. Comment
  OBI20535  Berberis aquifolium var. repens H. E. McMinn 1931-5-23 2445 Modoc Fandango Pass, Warner Mts. Comment
  UC9762  Berberis aquifolium var. repens Mrs. R. M. Austin June, 1894 Modoc Willow Creek Valley Comment
  SEINET6426068 Image available Bergia texana Herbert L. Mason 1947-1 13462 Modoc Southwest margin of Big Sage Reservoir, northwest of Alturas Comment
  UCR142894  Bergia texana L. C. Wheeler 1935-8-22 3910 Modoc Devil's Garden: South Mt. Reservoir 1524 Comment
  NY1102124  Berula erecta G. Schoolcraft 1990-7-11 2105 Modoc About 2 miles west of West Valley Reservoir 1494 Comment
  CAS-BOT-BC54189  Betula glandulosa Belknap C. Goldsmith 1910-6-1 12 Modoc Fandango Peak, Warner Mts. 2225 Comment
  CAS-BOT-BC497321  Betula glandulosa Annie M. Alexander; Louise Kellogg 1946-6-25 4819 Modoc Dismal Swamp, north end of Warner Mountains 2255 Comment
  UC615021  Betula occidentalis Beryl O. Schreiber 1934-6-11 1178 Modoc along creek <on> road to Patterson Mill Ranger Station; Warner Mountains, east Silver Creek Comment
  UC748347  Betula occidentalis Annie M. Alexander and Louise Kellogg 1946-6-14 4746 Modoc edge Barber Creek; Patterson Mill Road 1798 Comment
  CAS-BOT-BC497322  Betula occidentalis Annie M. Alexander; Louise Kellogg 1946-6-14 4746 Modoc Edge of Barber Creek, Patterson Mill Road 1798 Comment
  JEPS12355  Bidens cernua W. L. Jepson 1918-8-10 7927 Modoc Alturas 1371 Comment
  CAS-BOT-BC15088  Blepharipappus scaber M. M. Hanna 1956-6-4 953 Modoc Alturas-Cedarville highway. Comment
  CAS-BOT-BC15105  Blepharipappus scaber Barrett Anderson 1986-7-9 3130 Modoc Poney Flat Road, just off Hwy 299 1435 Comment
  CAS-BOT-BC15110  Blepharipappus scaber K. Paulson; Robert Paulson 1988-6-29 59 Modoc Joseph Creek Basin, Warner Mts.. 1524 Comment
  SBBG14875  Blepharipappus scaber A. I. Richardson 1961-5-31 10 Modoc near Adin 1301 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-BC15079  Blepharipappus scaber Louis Cutter Wheeler 1935-8-6 3795 Modoc Edge of Mts. 1/4 mi. E of Pine Creek (town). 1584 Comment
  RSA520374  Blepharipappus scaber Bruce Bartholomew, B. Anderson 1989-6-1 4735 Modoc Ca. 0.5 km S of State Hwy 299 on road to Shaker Spring. 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
  SEINET11261377  Blepharipappus scaber David D. Keck, J. Clausen 1935-6-23 3711 Modoc 3 mi northeast of Willow Ranch, east of Goose Lake.; 0 1554 Comment
  UC894098  Blepharipappus scaber Milo S. Baker 1936-6-16 8353 Modoc Hwy 395 between Alturas and Likely Alturas; Hwy. 395 Comment
  SEINET7379331 Image available Blepharipappus scaber subsp. scaber M. J. Williams 1984-1 84- 85 -4 Modoc Northwest of Alturas, 2.1 mi N of Hwy on the Crowder Flat Road 1372 Comment
  CAS-BOT-BC58659  Boechera lyallii Leland S. Smith 1917-7-2 68 Modoc Warren Mt. 2590 Comment
  CAS-BOT-BC35122  Boechera microphylla Annie Montague Alexander; L. Kellogg 1946-7-24 5074 Modoc Horse Mountain, Warner Mts. Comment
  CAS-BOT-BC58565  Boechera platysperma Annie Montague Alexander; L. Kellogg 1946-8-1 5107 Modoc Eagle Peak, Warner Mts. Comment
  JEPS53129  Boechera platysperma W. L. Jepson 1918-8-7 7887 Modoc Mt. Bidwell summit Mt. Bidwell 2507 Comment
  CAS-BOT-BC100297  Boechera puberula John Thomas Howell 1934-6-11 11935 Modoc Parker Creek, Warner Mts. 1584 Comment
  CAS-BOT-BC100298  Boechera puberula Roxana Stinchfield Ferris; R. Duthie 1919-6-14 65 Modoc Above Parker Creek, near Nat. Forest Boundary. Comment
  CAS-BOT-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-BC58570  Boechera stricta Bruce Bartholomew; Barrett Anderson 1990-7-20 5515 Modoc Tamarack Flat, E side of Warner Mts. 2150 Comment
  CAS-BOT-BC58646  Boechera stricta Elmer Ivan Applegate 1932-7-9 7614 Modoc N slope of Bidwell Mountain, Warner Mts. Comment
  POM254492  Boisduvalia macrantha Alice Eastwood, John Thomas Howell 1940-6-13 8126 Modoc Near Davis Creek. Comment
  UC62659  Botrychium Baker and Nutting 1894-6-20 Modoc near White Horse Lake Comment
  CHSC70713  Brickellia microphylla A. Sanger 1997-8-27 2610 Modoc South of Hwy 299 on Cedar Pass just north of the gravel shack at the proposed Cedar Creek trailhead. 1584 Comment
  CHSC38984  Brodiaea coronaria J. D. Jokerst 1983-7-12 1838 Modoc Just south of the junction of Hwy 139 and Loveness Rd. 1478 Comment
  RSA70132  Brodiaea coronaria subsp. coronaria F. W. Peirson 1926-6-26 6910 Modoc Modoc National Forest NW of Canby. Comment
  JEPS69154  Bromus briziformis Leland S. Smith 1918-6-14 939 Modoc Buck Creek Ranger Station 1524 Comment
  SEINET3921589  Bromus briziformis Margaret J. Williams, Arnold Tiehm; Jan Nachlinger 1988-6-2 88- 28 -1 Modoc Jess Valley, E of Likely, S of roadside rest.; 0 Comment
  CAS-BOT-BC242443  Bromus carinatus var. carinatus Leland S. Smith 1922-7-17 1303 Modoc Near Alturas. Comment
  JEPS69180  Bromus carinatus var. carinatus Leland S. Smith 1918-6-22 971 Modoc Modoc National Forest, Pine Creek Canyon Pine Creek Canyon; Modoc National Forest, Pine Creek Canyon 2133 Comment
  UC1024738  Bromus carinatus var. carinatus Leo Whitney 1934-5-19 3043 b Modoc Modoc National Forest, Timbered Mountains, Devil's Garden Devil's Garden; Modoc National Forest, Timbered Mountains, Devil's Garden 1524 Comment
  UC1024967  Bromus carinatus var. carinatus Leo Whitney 1935-7-6 3441 Modoc Pit River near Lookout; Pit River Comment
  UC1025055  Bromus carinatus var. carinatus Leo Whitney 1935-7-21 3581 Modoc 15 mi w of Canby (Modoc National Forest, Happy Camp); Modoc National Forest, Happy Camp 1463 Comment
  UC162262  Bromus carinatus var. carinatus H. M. Hall and E. B. Babcock June, 1903 4247 Modoc Sierra Nevada Mountains, south-western Modoc County Sierra Nevada Mountains 1219 Comment
  CAS-BOT-BC242469  Bromus hordeaceus Leland S. Smith 1924-6-8 1393 Modoc W of Egg Lake. 1310 Comment
  CHSC85100  Bromus hordeaceus John Dittes; Josephine Guardino 1991-7-21 432 Modoc Modoc Plateau; Big Valley; Ash Creek Wildlife Area; ca. 5.7 air-miles northeast of Bieber, ca. 7.6 air-miles west of Adin, ca. 1.5 air-mile southeast of Pilot Butte summit; meadow at northern edge of Ash Creek Floodplain (Big Swamp) at southeast base of Pilot Butte. 1258 Comment
  CAS-BOT-BC242466  Bromus inermis Leland S. Smith 1924-5-20 s.n. Modoc S side Egg Lake. Comment
  UC1024902  Bromus madritensis subsp. rubens Leo Whitney 1935-5-21 3113 Modoc 15 mi nw of Canby (Modoc National Forest, Hackamore, Lake Joaquina); Modoc National Forest, Hackamore, Lake Joaquina 1463 Comment
  RSA534586  Bromus marginatus Bruce Bartholomew 1989-7-15 4994 Modoc Sweagert Flat. 567 Comment
  HSC9121  Bromus tectorum M. T. Milligan 1964-6-4 29 Modoc East D St. between 4th and 5th St., Alturas 1372 Comment
  UCD60049  Bromus tectorum var. nudus L. Whitney 1935-5-21 s.n. Modoc Hackamore. Comment
  UC7748  Calandrinia ciliata Milo S. Baker 1893-7-1 Modoc shore of lake Egg Lake 1371 Comment
  UC1101526  Callitriche hermaphroditica Verne Grant and Irving Schneider 1947-7-18 8055 Modoc 1.4 mi n Bayley's Bridge (s of Alturas) Comment
  POM228882  Callitriche hermaphroditica L. C. Wheeler 1935-4-22 3904 Modoc South Mt. Reservoir, Devil's Garden. 1524 Comment
  CHSC99771  Callitriche heterophylla var. bolanderi Lowell Ahart; John Dittes 2008-6-21 14983 Modoc In shallow water and stranded on mud, west end of a large culvert, west of the large levee, mountain meadow, in Big Valley, about 2.8 miles (air) north of the Headquarters at Ash Creek State Wildlife Area, about 5.4 miles (air) northeast of Bieber. 1255 Comment
  CAS-BOT-BC95100  Callitriche palustris Louis Cutter Wheeler 1935-8-15 3863 Modoc Dismal Swamp. 2225 Comment
  CAS-BOT-BC85785  Calocedrus decurrens Elmer I. Applegate 1932-7-6 8208 Modoc Bidwell Creek above Ft. Bidwell Comment
  HSC80922  Calocedrus decurrens G. M. Riegel 1979-6-30 450 Modoc S Warner Mtns. 1670 Comment
  SEINET3863159 Image available Calocedrus decurrens Richard R. Halse 2006-8-4 6999 Modoc Along Highgrade Roade ca 4.4 mi N. of Fort Bidwell, north end of the Warner Mountains, east slope.; 0 1765 Comment
  CAS-BOT-BC244935  Calochortus leichtlinii Elmer Ivan Applegate 1932-8-1 8042 Modoc Arid summit of Warner Mts. near and S of Warren Peak. 2438 Comment
  UC1748346  Calochortus longebarbatus var. longebarbatus J. D. Jokerst 1983-7-20 1862 Modoc NW of Lookout (town) (W of county rd. 93 at a point 0.2 mi S of the fork to either Whitehorse Flat or Lookout Jct.) Comment
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Aug 4 2018
  JEPS86157  Calochortus macrocarpus Wayne Roderick 1966-7-23 Modoc ca 3 rd mi n Cedar Pass; Warner Mtns. 2133 Comment
  POM290693  Calochortus macrocarpus Lyman Benson 1930-7-20 2233 Modoc 15 miles north Alturas, Warner Mountains Comment
  SEINET3260048 Image available Calochortus macrocarpus A. A. Heller 1940-6-29 15747 Modoc On U.S. Highway #299, about 5 miles west of Alturas. Comment
  UC725405  Calochortus macrocarpus A. A. Heller 1940-6-29 15747 Modoc about 5 mi w Alturas (on U.S. Highway 299) Comment
  UC9030  Caltha leptosepala Mrs. C. C. Bruce July 1898 2306 Modoc Warner Mts. Comment
  JEPS114393  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
  JEPS52529  Calyptridium umbellatum Milo S. Baker 1893-6 Modoc Egg Lake 1371 Comment
  SEINET195686  Calyptridium umbellatum Annie M. Alexander, L Kellogg 1946-7-17 5002 Modoc Benton Meadow Warner Mts 2073 Comment
  JEPS52550  Calyptridium umbellatum Frances D. Payne 1929-7-26 Modoc Warren Peak; Warner Mountains, Warren Peak Comment
  CAS-BOT-BC95586  Calystegia occidentalis subsp. occidentalis Bruce Bartholomew 1991-6-22 5866 Modoc E side of the Pit River, ca. 2 km S of Joseph Creek. 1410 Comment
  CAS-BOT-BC95581  Calystegia occidentalis subsp. occidentalis Francis Dorris Payne 1931-7-6 321 Modoc Warner Mts. Comment
  UC23146  Calystegia occidentalis subsp. occidentalis M. S. Baker and Frank Nutting 1894-6-4 Modoc Hot Spring Valley Comment
  CHSC112429  Camassia leichtlinii subsp. suksdorfii Lowell Ahart; John Dittes, Todd Sloat 2013-6-8 18762 Modoc About 300 yards northeast of the Parking Area, northeast of the old barn, Ash Creek State Wildlife Area, about 3.9 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  CAS-BOT-BC242127  Camassia quamash subsp. breviflora Bruce Bartholomew 1990-6-15 5237 Modoc SE corner of Sweagert Flat. 1860 Comment
  CAS-BOT-BC242128  Camassia quamash subsp. breviflora Roxana Stinchfield Ferris; R. Duthie 1919-6-15 142 Modoc Along Parker Creek Comment
  JEPS55581  Camassia quamash subsp. breviflora H. M. Beard 1960-7-2 Modoc Davis Creek 1371 Comment
  RSA59816  Camassia quamash subsp. breviflora E. K. Balls 1950-5-15 14697 Modoc 15.8 miles northwest of Canby, Highway 139, by to to Hackamore 1402 Comment
  CHSC85128  Camelina microcarpa John Dittes; Josephine Guardino 1991-6-1 345 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
  HSC6615  Camelina microcarpa M. T. Milligan 1964-6-4 26 Modoc East D St. between 4th and 5th St., Alturas 1372 Comment
  CAS-BOT-BC191125  Camissonia andina Bruce Bartholomew; Barrett Anderson 1989-6-3 4849 Modoc 6.4 km N of State Hwy 299 on Crowder Flat Road and ca. 5.5 km S of Big Sage Reservoir. 1550 Comment
  RSA520429  Camissonia boothii subsp. alyssoides Bruce Bartholomew, B. Anderson 1989-6-2 4812 Modoc SE corder of Upper Alkali Lake, E side of Surprise Valley. 1400 Comment
  HSC80895  Camissonia tanacetifolia G. M. Riegel 1979-9-4 729 Modoc S Warner Mtns. 2100 Comment
  NY852072  Camissonia tanacetifolia B. Anderson 1986-7-9 3147 Modoc Crowder Flat Road, 3.2 km off Hwy 299 1510 Comment
  CAS-BOT-BC191077  Camissonia tanacetifolia subsp. tanacetifolia Mrs. H. C. Cantelow 1940-5-31 s.n. Modoc 0.8 mi. E of Canby. Comment
  CAS-BOT-BC191078  Camissonia tanacetifolia subsp. tanacetifolia John Thomas Howell 1934-6-15 12196 Modoc Dorris Reservoir. Comment
  CAS-BOT-BC191082  Camissonia tanacetifolia subsp. tanacetifolia Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10569 Modoc East Creek ca. 1 mi. E of Patterson Ranger Station. Comment
  POM312605  Camissonia tanacetifolia subsp. tanacetifolia H. L. Mason, Verne Grant 1947-7-10 13327 Modoc Dorris Reservoir, 2 miles east of Alturas. Comment
  POM229954  Camissonia tanacetifolia subsp. tanacetifolia Louis C. Wheeler 1935-8-2 3744 Modoc Twelve Mile Creek, Warner Mountains 2195 Comment
  RSA59850  Camissonia tanacetifolia subsp. tanacetifolia E. K. Balls 1950-5-15 14694 Modoc 14.8 miles west of Alturas, Highway 299 1341 Comment
  RSA600330  Camissonia tanacetifolia subsp. tanacetifolia Louis C. Wheeler 1935-8-2 3744 Modoc Warner Mountains: Twenty Mile Creek. 2195 Comment
  SEINET10463375  Campanula scabrella Unknown 1978-8-8 Showers 4219 Modoc NEAR PATTERSON LAKE, WARNER MOUNTAINS ON DRY OPEN SLOPES, ELEV. 2743 Comment
  CAS-BOT-BC58466  Capsella bursa-pastoris Bruce Bartholomew; Barrett Anderson 1989-6-1 4750 Modoc ca. 0.5 km W of Davis Creek on road to S end of Goose Lake. 1460 Comment
  CAS-BOT-BC58427  Cardamine breweri var. breweri Louis Cutter Wheeler 1935-8-16 3864 Modoc Dismal Swamp, Warner Mts. 2225 Comment
  CDA13476  Cardaria chalepensis G. F. Hrusa, T. D. Wilfred 1996-7-21 13323 Modoc Modoc Plateau; Pit River at Modoc Co. Rd. 90 bridge. E base of Splawn Mtn. N end of Big Valley. 1280 Comment
  CDA28673  Carduus acanthoides G. D. Barbe, C. B. Greenbank 1978-8-31 2427 Modoc Roadside, 1 mile south of junction of Camby Road and Highway 299. 0 Comment
  HSC48000  Carex amplectens D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19460 Modoc Upper Rush Creek Campground, about 8 mi. N of Adin on Hwy. 299 Comment
  CAS-BOT-BC242327  Carex aquatilis var. aquatilis Annie Montague Alexander; L. Kellogg 1946-7-19 5033 Modoc Benton Meadow. 2072 Comment
  SEINET10644700  Carex athrostachya Louis C. Wheeler 1935-8-16 Wheeler 3878 Modoc Damo sunny meadow. Dismal Swamp, Twenty Mile Cr., Warner Mts. S31, T48N, R16E. 2225 Comment
  UC1537642  Carex athrostachya Gordon H. True Jr. 1939-6-25 993 Modoc NW of Alturas (Boles Meadow) Comment
  HSC48006  Carex bolanderi D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19502 Modoc Big Valley Summit, 6 mi. W of Adin on Hwy. 299 Comment
  HSC48008  Carex brainerdii D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19509 Modoc Big Valley Summit, 6 mi. W of Adin on Hwy. 299 Comment
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Jan 1 2017
  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
  HSC48185  Carex douglasii D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19424 Modoc Near Hager Reservoir Comment
  CAS-BOT-BC242366  Carex heteroneura Annie Montague Alexander; L. Kellogg 1946-7-18 5020 Modoc Benton Meadow. 2072 Comment
  UC1024334  Carex heteroneura Annie M. Alexander and Louise Kellogg 1946-7-18 5020 Modoc Upper end Benton Meadow, Warner Mountains. Comment
  CAS-BOT-BC245140  Carex heteroneura var. epapillosa Annie Montague Alexander; L. Kellogg 1946-7-19 5030 Modoc Brenton Meadow, Warner Mts. 2072 Comment
  CHSC109462  Carex illota L. P. Janeway; B. Castro 2012-7-27 11022 Modoc Warner Mountains. North-sloping meadow opening just above Mineral spring, 0.5 air km east of Yellow Mountain. 2361 Comment
  RSA577788  Carex jonesii L. C. Wheeler 1935-8-16 3877 Modoc Dismal Swamp, Twenty Mile Creek. Warner Mountains. Mt. Diablo Mer 2226 Comment
  JEPS114841  Carex lanuginosa Lowell Ahart, John Dittes 2008-6-21 15003 Modoc On damp soil along a deep natural drainage, about 30 yards west of the levee, mountain meadow, in Big Valley, about 3.6 miles (air) northeast of the Headquarters at Ash Creek State Wildlife Area, aout 6.4 miles (air northeast of Bieber 1269 Comment
  JEPS101119  Carex lenticularis var. impressa Dean W. Taylor 1989-8-5 10470 Modoc North Emerson Lake; Warner Mountains; Warner Mountains, North Emerson Lake margin Comment
  CAS-BOT-BC245182  Carex microptera James D. Jokerst 1983-7-18 1844 Modoc Miller's Flat, NW of Aden. Comment
  HSC75585  Carex microptera G. M. Riegel 1979-8-23 698 Modoc S Warner Mtns. 2100 Comment
  JEPS86370  Carex microptera Jack and Betty Guggolz 1988-6-28 960 Modoc w Jenkins Spring 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
  CAS-BOT-BC245181  Carex multicaulis John H. Hatton 1911-6-15 116 Modoc Near Huffman's ranch. 1493 Comment
  CAS-BOT-BC245170  Carex nebrascensis Leland S. Smith 1917-6-9 30 Modoc Jess Valley 1524 Comment
  CHSC106173  Carex nebrascensis Lowell Ahart; John Dittes 2010-8-30 17086 Modoc About 400 yards west the bridge across Ash Creek, Elkins Lane, Ash Creek State Wildlife Area, 4215 feet north of Lassen County Line, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1277 Comment
  RSA0058899  Carex nebrascensis Lowell A. Ahart, John Dittes 2011-6-21 17522 Modoc About 30 yards west of the fence, meadow like area in uplands south of the big meadow, Ash Creek State Wildlife Area, about 1,000 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 0.8 miles (air) northeast of Bieber, Big Valley. 1268 Comment
  CHSC109502  Carex pachycarpa L. P. Janeway; B. Castro 2012-7-26 11006 Modoc Warner Mountains. At Little Lily Lake, 2.4 air km north of Mt. Vida. 2258 Comment
  UC1100592  Carex pellita Herbert L. Mason, Verne Grant 1947-7-10 13354 a Modoc 1/4 mi w Dorris Reservoir (2 mi e of Alturas) Comment
  RSA43288  Carex pellita A. M. Alexander, Louise Kellogg 1946-7-7 4931 Modoc Eight Mile Creek. Comment
  CHSC117046  Carex praegracilis Lowell Ahart; John Dittes 2016-6-6 20966 Modoc About 100 yards east of the dirt road, 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
  HSC96159  Carex praegracilis Juha Pykala, D. H. Norris 1987-5-28 1227 Modoc Surprise Valley, near NW end of Middle Alkali Lake, E of Gravel Pits, about 1 mi. from the Cedarville-Lake City Rd., the Fortynine Rd. 1296 Comment
  RSA59876  Carex praegracilis E. K. Balls 1950-5-10 14603 Modoc Below Menlo Baths, west shore Lower Alkali Lake. 1402 Comment
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Nov 5 2008
  CDA13468  Carex sheldonii G. F. Hrusa, T. D. Wilfred 1996-7-21 13315 Modoc Modoc Plateau; Pit River overflow channel at Modoc Co. Rd. 90 bridge. E base of Splawn Mtn. N end of Big Valley. Comment
  CHSC109638  Carex sheldonii Lowell Ahart; John Dittes 2012-7-10 18306 Modoc Along a deep drainage, northeast of the old homestead, Ash Creek State Wildlife Area, about 3.2 miles (air) west of Adin, about 8.4 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  SJSU9612  Carex simulata W. Savage 1979-7-6 1388 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  UC1537638  Carex simulata Gordon H. True Jr. 1939-6-28 991 Modoc se Alturas (Weber Ranch); South Fork of Pit River Comment
  HSC7160  Carex spectabilis M. T. Milligan 1965-6-23 302 Modoc N end Jess Valley 1616 Comment
  CAS-BOT-BC245147  Carex subfusca Leland S. Smith 1922-7-20 1279 Modoc Rush Creek Ranger Station Pasture. 1905 Comment
  CAS-BOT-BC245148  Carex subfusca Alice Eastwood; John Thomas Howell 1940-6-13 8180 Modoc E side of Cedar Pass. Comment
  SEINET7579428 Image available Carex utriculata Unknown 1969-9-5 39186 Modoc Margin of Pine Creek where it is crossed by Hwy 395, 3.4 mi S of Alturas. 1341 Comment
  UCD140950  Carex utriculata L. S. Smith 1918-8-11 s.n. Modoc Lost Lake trail. 2286 Comment
  UC1024341  Carex vernacula Annie M. Alexander and Louise Kellogg 1946-7-30 5100 Modoc under Eagle Peak; Warner Mountains Comment
  HSC75584  Carex whitneyi G. M. Riegel 1979-7-27 609 Modoc S Warner Mtns. 1670 Comment
  SD130393  Carex whitneyi B. Bartholomew, B. Anderson 1988-7-21 4456 Modoc Vicinity of Patterson Campground southern end of the Warner Mountains; Sierran montaine forest on a dry slope. 2190 Comment
  RSA0025570  Castilleja John F. Emmel 1996-7-16 1441 Modoc Foothills NNE of N end Surprise Valley, W of Cowhead Lake; along County Road 1, ca. 8.5 road mi NE of jct. with County Road 6 at Ft. Bidwell. 1659 Comment
  CAS-BOT-BC225977  Castilleja applegatei subsp. pinetorum Clare Butterworth Hardham 1961-6-18 7595 Modoc Davis Creek. 2133 Comment
  CAS-BOT-BC225978  Castilleja applegatei subsp. pinetorum C. C. (Mrs.) Bruce 1894-8-1 70 Modoc Davis Creek. Comment
  CAS-BOT-BC229822  Castilleja applegatei subsp. pinetorum Alice Eastwood; John Thomas Howell 1940-6-11 8006 Modoc 6 mi. NE of Adin on road to Canby. Comment
  JEPS3900  Castilleja applegatei subsp. pinetorum Annie M. Alexander and Louise Kellogg 1946-7-18 5017 Modoc near Benton Meadow; Warner Mountains 2072 Comment
  JEPS9197  Castilleja applegatei subsp. pinetorum Rimo Bacigalupi with L. R. Heckard, George Bacigalupi and Ruth Sanderson 1952-6-19 3745 Modoc 7 mi e Cedar Pass road junction with U.S. Hwy. 399 (along road to Cedar Pass) 1584 Comment
  UC1012492  Castilleja applegatei subsp. pinetorum Francis W. Pennell Jun 8 1940-Jun 9 1940 25741 Modoc ne of Alturas (upper w slope below Cedar Pass); Warner Mountains 1889 Comment
  UC26532  Castilleja applegatei subsp. pinetorum M. S. Baker and Frank Nutting 1894-6-24 Modoc near Forestdale Comment
  HSC80806  Castilleja arachnoidea G. M. Riegel 1980-8-20 1079 Modoc South Warner Mts. 1829 Comment
  HSC80808  Castilleja arachnoidea G. M. Riegel 1979-7-28 611 Modoc South Warner Mts. 1829 Comment
  UC1310318  Castilleja arachnoidea Noel H. Holmgren and James L. Reveal 1964-8-22 1719 Modoc Eagle Park; Warner Range, Modoc National Forest 3027 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
  SEINET10549110  Castilleja chromosa Jeffrey Huber 1971-6-3 Huber 86 Modoc 5 mi s of canby on calif. Hwy 299. Lupinus heavily carpeting hillsides of large basaltic boulders, sparse juniper, artemisia , purshia, poa assoc. Comment
  CAS-BOT-BC226022  Castilleja lacera Elmer Ivan Applegate 1929-6-24 5893 Modoc Between Alturas and Davis Creek. Comment
  CDA13456  Castilleja lacera G. F. Hrusa, T. D. Wilfred 1996-7-21 13303 Modoc Modoc Plateau; Adjacent to Modoc Co. Rd. 90 bridge over Pit River. E base of Splawn Mtn. N end of Big Valley. Comment
  UC1520659  Castilleja lacera Noel H. Holmgren and Patricia K. Holmgren 1980-7-1 9453 Modoc 13 air mi wnw Canby (14.2 mi wnw of junction Calif Hwy 139 with U.S. Hwy 299) 1463 Comment
  JEPS27954  Castilleja lacera Frances D. Payne 1929-7-2 36 Modoc Parker Creek, w slope of Warner Mountains Warner Mountains 1584 Comment
  RSA104155  Castilleja linariifolia Elmer I. Applegate 1929-7-28 6082 Modoc North of Clear Lake. Comment
  JEPS10874  Castilleja miniata L. S. Smith 1917-7-18 839 Modoc Soldiers Creek Comment
  UC444866  Castilleja miniata Milo S. Baker Aug 1898 523 Modoc Forestdale Comment
  CAS-BOT-BC241006  Castilleja pilosa John Thomas Howell 1934-6-12 11993 Modoc 6 miles s. of Davis Creek Comment
  CAS-BOT-BC241009  Castilleja pilosa Alice Eastwood; John Thomas Howell 1940-6-14 8206 Modoc Near Kelley Hot Springs Comment
  SJSU9577  Castilleja pilosa W. Savage 1979-7-3 1334 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  UC727017  Castilleja pilosa A. A. Heller 1941-6-25 16199 Modoc w of ascent to Cedar Pass (on the Cedarville road) Comment
  CAS-BOT-BC226075  Castilleja tenuis Bruce Bartholomew 1990-6-17 5352 Modoc 4 km N of Buck Creek Ranger Station at turn off to Del Prat Spring, W side of Warner Mts. 1900 Comment
  CAS-BOT-BC226083  Castilleja tenuis Bruce Bartholomew; Barrett Anderson 1989-6-1 4762 Modoc S end of Goose Lake. 1460 Comment
  CHSC117042  Castilleja tenuis Lowell Ahart; John Dittes 2016-6-6 20962 A 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. 1251 Comment
  JEPS76809  Castilleja tenuis Theodore F. Niehaus 1978-6-28 952 a Modoc ca 12 mi w Canby (0.3 mi s on road to Craig Springs from junction with Loveness mainline logging road, and 0.05 mi into section 13) Comment
  SEINET14173038  Castilleja tenuis M. J. Williams 1983-7-29 83- 116 -3 Modoc Warner Mountains, 1.1 mile N of Stough Reservoir Campground, N of Cedar Pass. 2088 Comment
  SEINET14173703  Castilleja tenuis M. J. Williams 1984-7-1 84- 87 -3 Modoc Crowder Flat Road, near Big Sage Reservoir, NW of Alturas. 1372 Comment
  JEPS79138  Castilleja tenuis L. R. Heckard with R. Bacigalupi 1980-6-11 5240 Modoc ca 10 air mi se Alturas (junction of Parker Creek and Shields Creek); junction of Parker Creek and Shields Creek 1737 Comment
  UC452542  Ceanothus X rugosus Franklin P. Nutting Modoc w side Egg Lake Lava Beds, w side Egg Lake Comment
  UCD111734  Ceanothus cuneatus Milo S. Baker 1893-7-1 s.n. Modoc Modoc County. 1371 Comment
  CAS-BOT-BC217135  Ceanothus cuneatus var. cuneatus Leland S. Smith 1922-8-1 1323 Modoc Barber Canyon Allot. Dutch Flat. 1524 Comment
  RSA126441  Ceanothus integerrimus var. californicus Franklin Nutting s.n. Modoc Big Valley Mts Comment
  CAS-BOT-BC217105  Ceanothus prostratus Alice Eastwood; John Thomas Howell 1940-6-13 8130 Modoc Near Davis Creek. Comment
  JEPS42256  Ceanothus prostratus Milo S. Baker 1893-6 Modoc Forestdale Comment
  UC526159  Ceanothus velutinus var. velutinus John Thomas Howell 1934-6-12 12059 Modoc Warner Mountains 1828 Comment
  UC634582  Ceanothus velutinus var. velutinus F. H. Frost 1925-7-24 139 Modoc Jess Valley, Warner Mts. Comment
  JEPS119675  Centaurea cyanus Lowell Ahart, John Dittes 2012-7-12 18379 Modoc On the east side of Elkins Lane, about 100 yards north of the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. Comment
  CAS-BOT-BC181985  Cercis occidentalis Bruce Bartholomew; Barrett Anderson 1988-6-23 4228 Modoc 2.1 km SSE of Day on the road to State Highway 299. 1020 Comment
  UC15109  Cercis occidentalis Milo S. Baker 1893-8-12 Modoc sw mountain side Comment
  CAS-BOT-BC197529  Cercocarpus betuloides var. betuloides Bruce Bartholomew; Barrett Anderson 1988-6-23 4257 Modoc 1.8 km WSW of Day on County Road 94. 1170 Comment
  UC466617  Cercocarpus betuloides var. macrourus Franklin P. Nutting Modoc Big Valley Mountains Comment
  UC415484  Cercocarpus betuloides var. macrourus Milo S. Baker 1893-6 Modoc Modoc Co. Comment
  CAS-BOT-BC197533  Cercocarpus ledifolius var. ledifolius A. D. Borden 1911-5-20 s.n. Modoc Sugar Hill. Comment
  JEPS34150  Chaenactis douglasii var. douglasii W. L. Jepson 1918-8-6 7844 Modoc Surprise Valley 1447 Comment
  UC748338  Chaenactis douglasii var. douglasii Annie M. Alexander and Louise Kellogg 1946-7-7 4936 Modoc Eight Mile Creek, ne corner of county Eight Mile Creek 1752 Comment
  UC30988  Chaenactis douglasii var. douglasii Mrs. R. M. Austin and Bruce 1890-1 1988 Modoc Comment
  CAS-BOT-BC15027  Chaenactis macrantha Bruce Bartholomew 1994-5-15 6689 Modoc E of Eagleville near Nevada border, E side of Surprize Valley. 1490 Comment
  CAS-BOT-BC197526  Chamaebatiaria millefolium Mrs. M. H. Manning s.n. Modoc NW Modoc County. Comment
  CAS-BOT-BC245423  Chamaesaracha nana Elmer Ivan Applegate 1897-5-30 862 Modoc Timbered Mountain, S of Dry Lake. Comment
  JEPS9109  Chamaesaracha nana W. L. Jepson 1918-8-7 7854 Modoc Mt. Bidwell 1798 Comment
  JEPS52355  Chamaesyce serpyllifolia Frances D. Payne 1932-7-3 671 Modoc s and e Alturas; Warner Mtns, Parker Creek 1584 Comment
  UC1192290  Chamaesyce serpyllifolia Verne Grant and Irving Schneider 1947-7-20 8089 Modoc 2 mi e Alturas; Dorris Reservoir Comment
  CHSC19735  Chamerion angustifolium subsp. circumvagum M. T. Milligan 1966-7-25 569 Modoc Slopes and ridges east of Jess Valley. 1645 Comment
  CAS-BOT-BC30191  Cheilanthes gracillima Bruce Bartholomew 1992-5-17 6343 Modoc SW side of White Horse Mountains, SW of White Horse Flat Reservoir 1460 Comment
  CHSC99251  Chenopodium Lowell Ahart; John Dittes 2008-6-21 15010 Modoc Along a large levee, mountain meadow, in Big Valley, about 4.3 miles (air) northeast of the Headquarters at Ash Creek State Wildlife Area, about 7.3 miles (air) northeast of Bieber. 1266 Comment
  CHSC112835  Chenopodium album Lowell Ahart; John Dittes 2013-7-24 18933 Modoc Edge of a man made pond, about 50 yards south of the levee road, north side of Ash Creek Floodplain, 0.54 mile (air) southeast of Pilot Butte Parking Area, 1.1 miles (air) south of County Road 87, 6.8 miles (air) west of Adin, Big Valley. 1263 Comment
  SFV7751  Chenopodium leptophyllum T. Gordon, K. Kimbrough 1975-8-15 1217 Modoc Just east of the entrance to Lava Beds National Monument. 1280 Comment
  SJSU9593  Chenopodium leptophyllum W. Savage 1979-7-5 1359 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  CAS-BOT-BC95530  Chenopodium pratericola Isabelo T. Kelly 1930-1-1 31 Modoc Modoc County. Comment
  UCD170118  Chorispora tenella R. Breckenridge; K. Filippini 2005-6-20 s.n. Modoc Likely, Lynetta Farms, Jones Lane. Comment
  JEPS21429  Chrysothamnus humilis W. L. Jepson 1918-8-7 7881 Modoc Mt. Bidwell 2507 Comment
  RSA301908  Chrysothamnus nauseosus subsp. albicaulis L. C. Anderson 1958-8-24 1615 Modoc Cedar Pass Campgrounds in the Warren Mts., 8 miles W of Cedarville 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-BC14991  Chrysothamnus viscidiflorus subsp. viscidiflorus Loran C. Anderson 1958-8-23 1611 Modoc 1 mi. E of Cedarville, beside highway and around Middle Lake 1424 Comment
  CAS-BOT-BC14996  Chrysothamnus viscidiflorus subsp. viscidiflorus Ernest Christian Twisselmann 1961-9-22 6573 Modoc Jess Valley, Warner Mountains 1676 Comment
  HSC81019  Chrysothamnus viscidiflorus subsp. viscidiflorus G. M. Riegel 1980-8-9 1022 Modoc S Warner Mtns. 1739 Comment
  RSA67198  Chrysothamnus viscidiflorus subsp. viscidiflorus P. A. Munz 1951-9-14 16979 Modoc Jess Valley, S Warner Mts. 1631 Comment
  CAS-BOT-BC14971  Cichorium intybus Bruce Bartholomew 1991-7-6 5962 Modoc Ash Creek Bird Santuary, 0.2 km N of Lassen County line on Modoc County Road 87A. 1260 Comment
  CAS-BOT-BC21485  Cicuta douglasii John Thomas Howell 1934-6-12 12001 Modoc Davis Creek. Comment
  HSC26266  Cicuta douglasii M. T. Milligan 1966-7-26 586 Modoc N end Jess Valley 1616 Comment
  CDA38305  Cicuta douglasii G. D. Barbe, John Kelley 1988-7-2 4297 Modoc Modoc National Wildlife Refuge, southeast of Alturas. 0 Comment
  CAS-BOT-BC191004  Circaea alpina subsp. pacifica Bruce Bartholomew; Barrett Anderson 1988-7-22 4524 Modoc Vicinity of Emerson Campground E side of the Warner Mts.. 1830 Comment
  CAS-BOT-BC191006  Circaea alpina subsp. pacifica Bruce Bartholomew 1994-7-2 6785 Modoc 5.0 km SE of Joseph Creek Basin on the W side of the Warner Mountains. 1930 Comment
  CAS-BOT-BC191009  Circaea alpina subsp. pacifica Bruce Bartholomew; Barrett Anderson 1988-7-21 4439 Modoc Above Upper Rush Creek Campground ca. 4 km E of State Highway 299 between Adin and Canby. 1580 Comment
  JEPS43894  Circaea alpina subsp. pacifica Milo S. Baker 1893-7-15 Modoc Forestdale, Taylor Creek 1371 Comment
  RSA252383  Circaea alpina subsp. pacifica Robert F. Thorne, C. W. Tilforth 1969-9-5 39175 Modoc Modoc National Forest, Warner Mts, along Fall Creek below Falls. 1738 Comment
  CDA1062  Cirsium arvense T. C. Fuller, W. T. Parsons 1960-7-26 4872 Modoc 1.5 mi. south of Tulelake; in grainfield, Hwy 139. 0 Comment
  CDA34394  Cirsium arvense Anonymous 1987-6-17 Modoc Jones Rd. off US 395, north of Likely. 0 Comment
  CDA36045  Cirsium arvense CDFA Staff 1976-7-28 Modoc Tule Lake. 0 Comment
  SJSU9621  Cirsium arvense W. Savage 1979-7-6 1428 Modoc Triangle, Fairchild Swamp Unit, Devils Garden District, Modoc National Forest 1493 Comment
  CAS-BOT-BC14969  Cirsium cymosum Bruce Bartholomew 1989-7-15 5002 Modoc Sweagert Flat. 1860 Comment
  UC1192201  Cirsium douglasii var. breweri Herbert L. Mason 1947-8-11 13500 Modoc On Highway 81, n of Modoc-Lassen County Line Comment
  CAS-BOT-BC14928  Cirsium occidentale var. candidissimum K. Paulson; Robert Paulson 1988-7-13 80 Modoc Juniper Flat, Jess Valley. 1402 Comment
  UC30790  Cirsium occidentale var. candidissimum Milo S. Baker 1893-7-25 Modoc Lava Beds Comment
  UC748330  Cirsium occidentale var. candidissimum Annie M. Alexander and Louise Kellogg 1946-6-22 4813 Modoc 2 mi n of Lake City 1414 Comment
  UC30791  Cirsium occidentale var. candidissimum Mrs. R. M. Austin 1884-1-1 Modoc hills near Davis Creek Comment
  CDA36039  Cirsium ochrocentrum CDFA Staff Jul 1985 Modoc Alturas. 0 Comment
  HSC81013  Cirsium scariosum G. M. Riegel 1979-7-13 531 Modoc South Warner Mtns. 2100 Comment
  UC30795  Cirsium scariosum var. americanum Milo S. Baker 1893-6-2 Modoc Comment
  JEPS59245  Cirsium vulgare F. H. Frost 1925-7-11 19 Modoc 2 mi above Cedarville (Cedar Canyon campsite); Cedar Canyon Comment
  LA106634  Clarkia gracilis subsp. albicaulis Frances D. Payne; 1929-6-13 6 Modoc Warner Mountains, Parker Creek, S and E of Alturas 1584 Comment
  UC748412  Clarkia gracilis subsp. gracilis Annie M. Alexander and Louise Kellogg 1946-6-12 4738 Modoc w side Fandango Pass road 1706 Comment
  UC930761  Clarkia gracilis subsp. gracilis C. L. Hitchcock 1940-5-28 6729 Modoc 15 mi n Alturas (near Surprise) 1402 Comment
  CAS-BOT-BC191070  Clarkia gracilis subsp. gracilis Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16384 Modoc Rocky clay mesa 5 mi. E of Calif. St. Highway 299 along Cedar Pass road Comment
  HSC80901  Clarkia rhomboidea G. M. Riegel 1980-7-23 934 Modoc S Warner Mtns. 1670 Comment
  RSA646254  Clarkia rhomboidea Peter H. Raven, Otto T. Solbrig 1958-6-18 13309 Modoc Cottonwood Flat Camp Ground, Modoc National Forest Comment
  CAS-BOT-BC248356  Claytonia lanceolata B. Bartholomew; H. Sun 2002-6-24 8839 Modoc Ca. 1 km NW of Bald Mt., E side of the Warner Mountains 2290 Comment
  NY497246  Claytonia lanceolata B. M. Bartholomew 1988-5-13 4161 Modoc 4 km northwest of Pepperdine, slope near top of the Warner Mountains 1760 Comment
  CAS-BOT-BC197435  Claytonia perfoliata subsp. intermontana Bruce Bartholomew; Barrett Anderson 1989-4-27 4631 Modoc Little Hot Spring Valley, 4.0 km NW of Day. 1070 Comment
  CHSC188  Cleome platycarpa 1936-7-2 Modoc Likely. Comment
  CAS-BOT-BC226094  Collinsia parviflora Annie Montague Alexander; L. Kellogg 1946-6-14 4756 Modoc Silver Creek branch of Patterson Mill road. 1828 Comment
  CAS-BOT-BC226099  Collinsia parviflora Bruce Bartholomew 1990-6-16 5257 Modoc Between roadhead and Pine Creek Basin, W side of Warner Mountains. 2130 Comment
  SBBG27381  Collinsia parviflora C. L. Hitchcock 1940-5-27 6687 Modoc 15 mi NE of Alturas 1615 Comment
  UC748144  Collinsia parviflora Annie M. Alexander and Louise Kellogg 1946-7-17 5011 Modoc Warner Mountains, Benton Meadow Benton Meadow; Warner Mountains, Benton Meadow 2072 Comment
  CAS-BOT-BC226096  Collinsia parviflora Mrs. H. C. Cantelow 1940-6-2 4395 Modoc NW of Canby, road to lava beds. Comment
  HSC31747  Collinsia parviflora Donald Spalinger 1974-5-17 69 Modoc Hwy. 136 from junction with Hwy. 299 1494 Comment
  HSC80800  Collinsia parviflora G. M. Riegel 1980-7-9 858 Modoc South Warner Mtns. 1670 Comment
  JEPS6223  Collinsia parviflora M. F. Gilman 633 Modoc near Ft. Bidwell Comment
  CAS-BOT-BC229875  Collinsia torreyi Bruce Bartholomew 1995-6-22 6977 Modoc Between Day and Lookout, 7.4 km W of Day on County Road 94 along Widdow Valley Creek. 1350 Comment
  UC26667  Collinsia torreyi var. latifolia Milo S. Baker 1893-6-30 Modoc Forestdale Comment
  RSA505357  Collinsia torreyi var. wrightii R. C. Bacigalupi, G. Thomas Robbins 1955-7-20 5399 Modoc Flat at summit of forest road across the southern end of the Warner Range, 3.3 miles e. of Patterson Ranger Station, Modoc Nat. Forest. 2226 Comment
  CHSC116098  Collomia grandiflora Lowell Ahart; John Dittes 2015-7-16 20391 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
  RSA82760  Collomia grandiflora J. M. Tucker 1950-7-25 1972 Modoc beside highway 139, 26.4 miles southeast of Tule Lake Comment
  UC907920  Collomia grandiflora F. H. Frost 1925-7-13 74 Modoc summit Warner Mts., Cedar Canyon Comment
  CDA39999  Collomia grandiflora T. C. Fuller 1958-7-8 2034 Modoc 4 miles south of Pine Creek. 0 Comment
  CAS-BOT-BC190719  Collomia linearis John Thomas Howell 1934-6-11 11961 Modoc Parker Creek, Warner Mts. 1584 Comment
  CAS-BOT-BC190720  Collomia linearis Bruce Bartholomew; Barrett Anderson 1990-7-20 5513 Modoc Tamarack Flat, E side of Warner Mts. 2150 Comment
  CAS-BOT-BC190727  Collomia linearis Bruce Bartholomew 1994-7-2 6814 Modoc E of Bald Mtn. on E side of the Warner Mountains. 2230 Comment
  CAS-BOT-BC190728  Collomia linearis C. C. (Mrs.) Bruce 1894-6-1 96 Modoc Davis Creek. Comment
  CAS-BOT-BC190714  Collomia tinctoria Bruce Bartholomew 1995-6-1 6922 Modoc 1.3 km E of Day between Day and Lookout on County Road 94. 1200 Comment
  CAS-BOT-BC190716  Collomia tinctoria Bruce Bartholomew 1994-7-2 6813 Modoc E of Bald Mtn. on E side of the Warner Mountains. 2230 Comment
  RSA293376  Collomia tracyi Reino Alava 1957-7-5 1147 Modoc Cedar Pass, Modoc National Forest Comment
  CAS-BOT-BC242185  Corallorhiza maculata K. Paulson; Robert Paulson 1989-7-2 162 Modoc Field redacted by CAS, contact the data manager for more information 1621 Comment
  CHSC109506  Cordylanthus capitatus L. P. Janeway; B. Castro 2012-7-26 11000 Modoc Warner Mountains. Along Highgrade National Recreation Trail 0.9 km south of Little Lily Lake and 1.4 air km north of Mt. Vida. 2340 Comment
  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
  JEPS16278  Cordylanthus ramosus Mrs. R. M. Austin July, 1894 245 Modoc Goose Lake Valley Comment
  RSA603172  Cornus californica L. C. Wheeler 1935-8-14 3835 Modoc Warner Mountains: Pine Creek. 1584 Comment
  RSA252457  Cornus stolonifera R. F. Thorne, C. W. Tilforth, K. Thorne 1969-9-5 39177 Modoc South Fork of Pit River at bridge, 3.8 miles E. of Likely. 1387 Comment
  CAS-BOT-BC190769  Corydalis aurea C. C. (Mrs.) Bruce 1898-7-1 2206 Modoc Warner 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
  CAS-BOT-BC197568  Crataegus douglasii A. D. Borden 1911-8-9 s.n. Modoc Mall Place, on S side of Shields Creek. Comment
  CHSC115557  Crataegus douglasii Lowell Ahart; John Dittes 2015-7-15 20356 Modoc East side of Elkins Lane, about 50 yards southeast of the bridge across Ash Creek (destroyed), about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  HSC102677  Crataegus douglasii J. P. Smith, J. O. Sawyer 2011-8-13 13365 Modoc Fence row along County Road 86. 1304 Comment
  JEPS118463  Crataegus douglasii Lowell Ahart, John Dittes 2011-6-21 17529 Modoc On the north bank of Ash Creek, Ash Creek State Wildlife Area, 4,500 feet south of County Road 87, 2.7 miles (air) west of Adin, 9.1 miles (air) northeast of Bieber Comment
  CHSC116354  Crepis acuminata J. R. Keck Jr.; Pfeiffer 1985-6-6 PDR 237691 Modoc Forest land near Lookout Junction, southwest corner of Modoc County. Comment
  HSC81020  Crepis acuminata G. M. Riegel 1978-6-24 99 Modoc South Warner Mtns. 2100 Comment
  SJSU8812  Crepis bakeri H. L. Buckalew 1961-6-25 Modoc near Stowe Reservoir c. 1 mi N of Cedar Pass on Cedar-Alturas Road 2072 Comment
  CAS-BOT-BC14892  Crepis intermedia Isabelo T. Kelly 1930-1-1 53 Modoc unspecified Comment
  UC540832  Crepis intermedia David D. Keck and J. Clausen 1935-6-24 3721 Modoc 3 mi n Davis Creek 1525 Comment
  UC748081  Crepis intermedia Annie M. Alexander and Louise Kellogg 1946-6-28 4865 Modoc Pine Creek Canyon Warner Mountains (mouth, n end of mts.) 1524 Comment
  CAS-BOT-BC14883  Crepis modocensis Clare Butterworth Hardham 1961-6-18 7583 Modoc Mts. S of summit of Cedar Pass. 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-BC14912  Crepis occidentalis Mrs. H. C. Cantelow 1940-5-31 3083 Modoc 3 mi. E of Canby. Comment
  SJSU2085  Crepis occidentalis R. L. Fisher 1958-6-13 Modoc c. 6 mi S of Canby near Adin Pass Comment
  CAS-BOT-BC95594  Cressa truxillensis R. M. Austin 1894-8-1 s.n. Modoc Davis Creek. Comment
  CAS-BOT-BC14825  Crocidium multicaule William Albert Weber; Lewis Samuel Rose 1953-5-22 8451 Modoc 7 mi. E of Alturas on road to Cedarville. 1371 Comment
  CAS-BOT-BC14831  Crocidium multicaule Bruce Bartholomew; Barrett Anderson 1989-4-28 4649 Modoc 8.8 km N of State Highway 299 on road to Raker & Thomas Reservoir. 1470 Comment
  CAS-BOT-BC14836  Crocidium multicaule Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-10 6444 Modoc 1.6 km S of Davis Creek on U.S. Hwy 395. 1460 Comment
  HSC41126  Croton setiger Thomas W. Nelson, Jane P. Nelson, James Nelson 1976-8-29 3264 Modoc Modoc National Forest, along Hwy. 299 Just NE of Adin Pass 1524 Comment
  SEINET9592040  Croton setiger M. J. Williams 1985-8-13 85- 67 -1 Modoc Road into S end of Big Sage Reservoir, NW of Alturas. 1524 Comment
  CHSC112975  Crypsis alopecuroides Lowell Ahart; John Dittes 2013-7-24 18932 Modoc Edge of a man made pond, about 50 yards south of the levee road, north side of Ash Creek Floodplain, 0.54 mile (air) southeast of Pilot Butte Parking Area, 1.1 miles (air) south of County Road 87, 6.8 miles (air) west of Adin, Big Valley. 1263 Comment
  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
  SJSU9643  Crypsis vaginiflora W. Savage 1979-7-8 1473 .5 Modoc Round Valley Unit, Devils Garden District, Modoc National Forest 1493 Comment
  UC1478049  Cryptantha celosioides Gregg Riegel 1980-7-14 877 Modoc 0.5 mi nw Emerson Trail Head Rd. (from Sec 10 and 11, S Warner Mt. Wilderness Area); Modoc National Forest, Warner Mt. Wilderness Area 1889 Comment
  CAS-BOT-BC54103  Cryptantha intermedia Alice Eastwood; John Thomas Howell 1940-6-11 8031 Modoc 8 mi. from Canby on road to Alturas. Comment
  CAS-BOT-BC54150  Cryptantha intermedia John Thomas Howell 1934-7-1 12334 Modoc Duncan Horse Camp. 1355 Comment
  HSC75575  Cryptantha intermedia G. M. Riegel 1980-7-14 877 Modoc S Warner Mtns. 1739 Comment
  UC24699  Cryptantha intermedia M. S. Baker and Frank Nutting 1894-6-4 Modoc Little Hot Spring Valley Comment
  CAS-BOT-BC54115  Cryptantha simulans Alice Eastwood; John Thomas Howell 1940-6-13 8169 Modoc Cedarville. Comment
  CAS-BOT-BC54121  Cryptantha sobolifera Annie Montague Alexander; L. Kellogg 1946-8-8 5125 Modoc Patterson Lake Trail. Comment
  HSC80866  Cryptantha subretusa G. M. Riegel 1980-7-15 Modoc S Warner Mtns. 2591 Comment
  CAS-BOT-BC54076  Cryptantha torreyana Barrett Anderson 1986-7-9 3174 Modoc Stough Reservoir Rd just E of Cedar Pass near Stough Reservoir. 1965 Comment
  HSC3591  Cryptantha torreyana M. T. Milligan 1965-6-23 303 Modoc N end Jess Valley 1616 Comment
  HSC80940  Cryptantha torreyana G. M. Riegel 1979-7-18 509 Modoc S Warner Mtns. 2100 Comment
  RSA183179  Cryptantha torreyana Delzie Demaree 1959-8-15 41481 Modoc Modoc National Forest, Howard Gulch. P. O. Canby. Comment
  UC55243  Cupressus bakeri H. M. Hall and E. B. Babcock 1903-7-1 4231 Modoc lava beds of sw Modoc Co. Sierra Nevada Mountains 1219 Comment
  CAS-BOT-BC95628  Cuscuta approximata Goss 1932-10-3 Modoc Modoc County. Comment
  UC1553375  Cusickiella douglasii Sch/Yor/Hor/Ach 1988-7-16 1836 Modoc along trail sw Squaw Peak (Warner Mts.); , sw of Squaw Peak 2438 Comment
  CAS-BOT-BC498670  Cymopterus terebinthinus var. californicus Lillian Mott 1976-5-29 10 LM76 Modoc Devils Garden, north of Alturas 1402 Comment
  CAS-BOT-BC54084  Cynoglossum occidentale Bruce Bartholomew 1995-7-30 7043 Modoc Big Valley Mountains N of County Road 94. 1400 Comment
  UC1100558  Cyperus squarrosus Malcolm A. Nobs and S. Galen Smith 1949-7-20 1053 Modoc 4 mi. w. Adin Comment
  POM229966  Cyperus squarrosus L. C. Wheeler 1935-9-3 3938 Modoc McGinty Reservoir, Devil s Garden 1463 Comment
  CAS-BOT-BC136513  Cypripedium montanum Franklin P. Nutting June 24 3025 Modoc Field redacted by CAS, contact the data manager for more information Comment
  HSC533  Dactylis glomerata M. T. Milligan 1964-7-1 106 Modoc 6.0 mi. E of Canby on Modoc County Rd. 54 1372 Comment
  HSC9525  Dactylis glomerata M. T. Milligan 1965-6-26 345 Modoc N end Jess Valley. 1616 Comment
  JEPS68521  Danthonia californica L. S. Smith 1917-7-1 90 Modoc Deep Creek R.S. camp Warner Mts. 2133 Comment
  CDA31648  Danthonia unispicata A. A. Beetle 1941-6-29 2834 Modoc Near summit of Mt. Adin Comment
  SBBG524  Danthonia unispicata A. A. Beetle 1941-6-29 2884 Modoc near summit of Mt Adin 1828 Comment
  UC1024675  Danthonia unispicata Leo Whitney 1934-5-18 2173 Modoc Timbered Mountain Modoc National Forest, Devil's Garden (ne portion of county) 1524 Comment
  CAS-BOT-BC214753  Dasiphora fruticosa K. Paulson; Robert Paulson 1990-7-2 212 Modoc Dismal Swamp, Warner Mts. Comment
  CAS-BOT-BC217335  Delphinium andersonii Bruce Bartholomew 1991-5-24 5717 Modoc Surprise Valley, 7.7 km NE of County Rd. 37 on County Rd. 38, at the Nevada State boundary. 1370 Comment
  CAS-BOT-BC498678  Delphinium andersonii Ethel S. Willits 1940-5-15 249 Modoc Willow Ranch 1371 Comment
  JEPS23344  Delphinium depauperatum Frances D. Payne 1929-7-7 71 Modoc Pine Creek Basin 2 mi SW of Mt. Warren, Southeastern Modoc County 2133 Comment
  CAS-BOT-BC498677  Delphinium depauperatum Ira L. Wiggins; Dorothy B. Wiggins 1961-6-14 16491 Modoc Warner Mts., 2.5 mi from Hwy 395, 2 mi NW of Fenner Flat Comment
  CAS-BOT-BC217276  Delphinium nuttallianum E. S. Willits 1940-5-6 222 Modoc Open hillside near Lassen Creek, Willow Ranch. 1371 Comment
  CAS-BOT-BC217279  Delphinium nuttallianum Edward Kent Balls; N. N. Thompson 1950-5-17 14733 Modoc SW of Double Head, 7.5 km from Hwy 139, S of Clear Lake Burs Refuge. 1463 Comment
  CAS-BOT-BC217311  Delphinium nuttallianum Bruce Bartholomew; Barrett Anderson 1988-6-24 4308 Modoc Road beyond Poison Lake ca. 8 km S of the road from U.S. Highway 395 to Lily Lake, Warner Mts.. 2130 Comment
  CAS-BOT-BC217312  Delphinium nuttallianum Annie Montague Alexander; L. Kellogg 1946-6-5 4667 Modoc Emerson Creek, S of Eagleville, Warner Mts. 1981 Comment
  UC72892  Delphinium nuttallianum Milo S. Baker Modoc Forestdale Comment
  RSA185470  Delphinium nuttallianum Clare B. Hardham 1961-6-18 7569 Modoc Hills 3 miles SE of summit, Cedar Pass, Flowers purple upper petals usually pale. 1829 Comment
  JEPS90888  Delphinium stachydeum Dean Wm. Taylor with Glenn L. Clifton 1989-8-5 10478 Modoc N Emerson Lake cirque, Warner Mountains Emerson Lake; Warner Mountains 2392 Comment
  UCD61391  Deschampsia danthonioides Beecher Crampton 1960-6-17 5703 Modoc McKay Flat, 13 miles west of Canby, 2.5 miles NE of Happy Camp Station. 1280 Comment
  UCD62393  Deschampsia danthonioides Elizabeth Wilson Date Unknown Modoc Modoc Co. Comment
  UCR163107  Deschampsia danthonioides Jim Andre 1993-7-3 1426 Modoc Modoc Plateau, about 10 miles NW of Canby on Hwy 139, near NW end of Oak Ridge 1494 Comment
  CAS-BOT-BC58625  Descurainia incisa John Thomas Howell 1934-6-13 12065 Modoc Fandango Pass, Warner Mountains 1828 Comment
  NY126063  Descurainia incisa B. Anderson 1986-7-9 3164 Modoc Warner Mtns., Stough Reservoir Rd. just E of Cedar Pass near Stough Reservoir 1965 Comment
  CAS-BOT-BC58609  Descurainia pinnata subsp. brachycarpa Bruce Bartholomew; Barrett Anderson 1988-5-12 4132 Modoc Clong the N side of the Pit River, 0.5 km W of State Highway 299 on Bushey Road. 1310 Comment
  CAS-BOT-BC58611  Descurainia pinnata subsp. brachycarpa Bruce Bartholomew; M. Gilbert; L. Skog 1993-5-10 6445 A Modoc At the Nevada border directly E of Eagleville, E side of Surprise Valley. 1520 Comment
  CAS-BOT-BC58616  Descurainia pinnata subsp. glabra John H. Hatton 1911-6-22 153 Modoc Huffman Ranch. Comment
  JEPS120891  Descurainia sophia Lowell Ahart, John Dittes, Todd Sloat 2013-6-8 18759 Modoc About 100 yards E of Parking Area, near 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-BC190764  Dicentra uniflora Bruce Bartholomew; Mona Bourell 1990-4-28 5205 Modoc Top of Hunters Ridge S of Rush Creek. 1960 Comment
  CAS-BOT-BC190766  Dicentra uniflora Bruce Bartholomew 1995-6-23 6994 Modoc 0.5 km SW of Forest Road 30 on road to Bald Mountain, crest of the Warner Mountains. 2060 Comment
  UC1586937  Dichelostemma capitatum Juha Pykala and D. H. Norris 1987-5-27 1047 Modoc between Lower Rush Creek Campground and Upper Rush Creek Campground; Modoc National Forest 1493 Comment
  CAS-BOT-BC242119  Dichelostemma capitatum subsp. capitatum Bruce Bartholomew; Mona Bourell 1990-4-26 5148 Modoc 0.5 km S of Day. 1100 Comment
  POM319443  Dichelostemma congestum Patricia Wilder 1971-6-20 5085 Modoc North part of Egg Lake (now a meadow), northwest of Lookout; north of Bieber and California State Highway 299; Modoc National Forest. Cascades Mt. Range. 1372 Comment
  CAS-BOT-BC242114  Dichelostemma multiflorum Elmer Ivan Applegate 1929-6-24 5889 Modoc Between Adin and Canby, upper Pit River region. Comment
  CAS-BOT-BC242116  Dichelostemma multiflorum Bruce Bartholomew; Barrett Anderson 1989-6-1 4732 Modoc Shake Spring, NW side of Shaffer Mountain. 1500 Comment
  CAS-BOT-BC242120  Dichelostemma multiflorum John Thomas Howell 1934-6-11 11945 Modoc Parker Creek. 1584 Comment
  JEPS58091  Dichelostemma multiflorum Frances D. Payne 1929-6-21 13 Modoc s and e of Alturas; Warner Mountains, Parker Creek Comment
  CAS-BOT-BC14841  Dimeresia howellii Helen Katherine Sharsmith 1955-6-23 4490 Modoc North of State Highway 28, and 6.7 miles east of Cedar Campground 1859 Comment
  CAS-BOT-BC14846  Dimeresia howellii Dean William Taylor; G. L. Clifton 1987-6-27 9108 Modoc Warner Mts., ca. 1.5 mi. E of Cedar Pass on Hwy 299. 1615 Comment
  JEPS26493  Dimeresia howellii Lauramay T. Dempster 1961-6-18 1700 Modoc 3.2 mi e Cedar Pass (canyon s of highway) 1676 Comment
  RSA534560  Dimeresia howellii Bruce Bartholomew 1991-5-24 5731 Modoc 2.9 km NW of road between Fort Bidwell and Fee Reservoir on road to Big Mud Lake. 1680 Comment
  UC705643  Dimeresia howellii Marion Ownbey and Fred G. Meyer 1940-7-1 2136 Modoc Cedar Pass; Warner Mts. Comment
  CAS-BOT-BC234520  Diplacus layneae Bruce Bartholomew; Barrett Anderson 1988-6-23 4279 Modoc 4.0 km W of Day on County Road 94. 1340 Comment
  CAS-BOT-BC234499  Diplacus nanus Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-15 16498 Modoc Junction of gravel road to Tieneste & Glass Mt. with Canby-Klamath Falls Highway 139, 28 mi W of Canby. Comment
  CAS-BOT-BC234483  Diplacus nanus James T. Vale 1978-7-18 s.n. Modoc Payne Springs Comment
  CAS-BOT-BC234496  Diplacus nanus Mrs. H. C. Cantelow 1940-6-2 4417 Modoc Rd to Lava Beds. W of Alturas. Comment
  SD133259  Diplacus pygmaeus David M. Thompson 1988-6-3 927 Modoc Egg Lake, S end. Between Kramer Reservoir and White Horse-Lookout road along intermittent stream; 2.3 rd mi W of railroad crossing 1299 Comment
  SEINET10564495  Distichlis spicata var. stricta Louis C. Wheeler 1935-9-4 Wheeler 3945 Modoc Dry sunny sandy lake bed. McGinty Point, Goose Lake. 1463 Comment
  UCR34703  Dodecatheon J. A. Harpel 1981-8-6 V- 27 Modoc Warner Mtns, South Warner Wilderness Area: E end of Patterson Lake, 7 mi NW of Eagleville 2744 Comment
  JEPS17637  Dodecatheon alpinum Rimo Bacigalupi with G. T. Robbins 1955-7-20 5401 Modoc 2.7 mi e Patterson Ranger Station (edge of large meadow about Middle Fork Spring, southern Warner Range); southern Warner Range, Middle Fork Spring 2179 Comment
  JEPS91189  Dodecatheon alpinum Dean Wm. Taylor with Glenn L. Clifton 1989-8-5 10461 Modoc Warner Mountains, steep northeast face Eagle Peak 2880 Comment
  HSC26507  Dodecatheon conjugens J. P. Smith, J. O. Sawyer 1972-5-6 5256 Modoc FS road to Quail Spring at Hwy. 299, N of Adin 1463 Comment
  JEPS9496  Dodecatheon conjugens E. H. Steffen 5 Modoc West Valley Camp Warner Mts., West Valley Camp 1676 Comment
  OBI47981  Dodecatheon conjugens Rhonda Riggins 1989-4-28 1669 Modoc 5.7 mi N of hwy 395 E of Alturas on rd to Raker and Thomas Reservoir (continuation of Pencil Rd) 1524 Comment
  CAS-BOT-BC218269  Dodecatheon conjugens var. conjugens Bruce Bartholomew; Barrett Anderson 1989-4-28 4655 Modoc 11 km N of State Highway 299 and ca. 1 km S of Raker & Thomas Reservoir. 1500 Comment
  CAS-BOT-BC218273  Dodecatheon conjugens var. conjugens Kenton L. Chambers 1964-4-28 2085 Modoc Hwy 139 between Tulelake and Canby, at junction with road to Perez, 3 mi. S of road to Clear Lake Reservoir. Comment
  CAS-BOT-BC218285  Dodecatheon conjugens var. conjugens Bruce Bartholomew; Mona Bourell 1990-4-27 5191 Modoc 1.1 km E of the Modoc National Forest boundary on Parker Creek Road. 1660 Comment
  CAS-BOT-BC95115  Downingia bacigalupii Barrett Anderson 1986-7-10 3208 Modoc West Warner Rd along Bear Flat. 1845 Comment
  CAS-BOT-BC95121  Downingia bacigalupii E. S. Willits 1940-7-1 344 Modoc Davis Creek. Comment
  CHSC117038  Downingia bacigalupii Lowell Ahart; John Dittes 2016-6-6 20962 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
  CHSC99117  Downingia bacigalupii Lowell Ahart; John Dittes 2008-6-21 14985 Modoc Bottom of a large vernal pool, about 50 yards northwest of a large culvert, about 25 yards 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. 1255 Comment
  JEPS117480  Downingia bacigalupii Lowell Ahart, John Dittes 2010-8-31 17124 Modoc About 400 yards west of Elkins Lane and the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley 1267 Comment
  RSA0039535  Downingia bacigalupii Lowell A. Ahart, John Dittes 2012-7-11 18334 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
  UC1608315  Downingia bacigalupii J. Kierstead 1991-7-5 91 -97 Modoc 1.9 mi nw town of Day Comment
  RSA128296  Downingia bicornuta P. H. Raven, Otto T. Solbrig 1959-6-18 13323 Modoc About small lake at eastern outskirts of Lookout. Comment
  UC1112773  Downingia bicornuta var. bicornuta Calvin McMillan 1949-6-16 1535 Modoc 3 mi s Crowder Flat (about 7 mi s of the Oregon border, n central Modoc Co.) Comment
  CAS-BOT-BC95135  Downingia cuspidata Bruce Bartholomew 1995-6-4 6961 Modoc Round Valley 1.8 km S of State Hwy 299 on County road 86. 1280 Comment
  HSC26587  Downingia elegans D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19396 Modoc Along Hager Basin Rd. near Big Sage Reservoir. Comment
  SBBG30548  Downingia elegans D. Myrick 1968-6-20 1984 Modoc Airport Rd, 7 mi N of Alturas 1524 Comment
  SEINET12330123  Downingia insignis M. J. Williams 1984-1 84- 66 -1 Modoc 0.2 mi E of Hwy 395 at Ravendale 1524 Comment
  CAS-BOT-BC498756  Draba L. S. Smith 1918-8-17 66 Modoc Modoc Forest, Marren Mt. 2621 Comment
  CAS-BOT-BC58287  Draba albertina Bruce Bartholomew 1994-7-2 6802 Modoc 5.5 km SE of Forest Service road 30 on road towards Bald Mountain, E side of the Warner Mts. 2230 Comment
  HSC80856  Draba albertina G. M. Riegel 1980-8-7 1013 Modoc S Warner Mtns. 2341 Comment
  HSC80858  Draba albertina G. M. Riegel 1980-8-29 1125 Modoc S Warner Mtns. 2439 Comment
  HSC80860  Draba albertina G. M. Riegel 1980-8-21 915 Modoc S Warner Mtns. 2622 Comment
  SEINET195673  Draba albertina Annie M. Alexander, L Kellogg 1946-6-25 4823 Modoc Dismal Swamp; N end of Warner Mts 2256 Comment
  UC1446113  Draba albertina Gary Schoolcraft 1979-8-8 168 Modoc 2133 Comment
  HSC75598  Draba paysonii G. M. Riegel 1980-8-14 1068 Modoc S Warner Mtns. 1829 Comment
  CAS-BOT-BC58590  Draba verna Bruce Bartholomew; Barrett Anderson 1989-4-29 4676 Modoc 6.4 km E of Fort Bidwell on road to Fee Reservoir, NE corner of Surprise Valley. 1460 Comment
  CAS-BOT-BC58593  Draba verna Bruce Bartholomew; Barrett Anderson 1989-4-27 4620 Modoc 2.1 km SSE of Day on road to State Highway 299. 1020 Comment
  UC1594772  Drymocallis David Charlet 1988-8-12 145 Modoc Warren Peak South Warner Mountains, Warren Peak 2957 Comment
  CAS-BOT-BC214762  Drymocallis glandulosa Bruce Bartholomew; Barrett Anderson 1989-6-3 4868 Modoc Boles Creek, ca. 5.5 km E of the SE corner of Clear Lake Reservoir. 1430 Comment
  JEPS120513  Drymocallis lactea var. lactea L. P. Janeway, B. Castro 2012-7-25 10990 Modoc Warner Mountains. Comment
  JEPS47205  Drymocallis pseudorupestris var. saxicola Frances D. Payne 1929-7-26 120 Modoc summit of Mt. Warren Warner Mountains, summit of Mt. Warren Comment
  UCD61052  Echinochloa esculenta Dr. Gaso 1932-10-1 s.n. Modoc Alturas. Comment
  CDA179  Echinochloa oryzoides Goss 1932-9-22 Modoc 0 Comment
  RSA210827  Elatine chilensis R. F. Thorne, James Henrickson, C. W. Tilforth, K. Thorne 1969-9-4 39127 Modoc N Fork of Pit River 3.4 mi N of Alturas where crossed by Hwy 395. 1341 Comment
  UC1101549  Elatine triandra Herbert L. Mason 1947-8-13 13527 Modoc n Canby (ne side of F reservoir) Comment
  CHSC112828  Eleocharis acicularis Lowell Ahart; John Dittes 2013-7-25 18967 Modoc Bottom of a dry deep drainage, west of where the road crossed, about 50 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. 1267 Comment
  POM313069  Eleocharis palustris Calvin McMillan, Malcolm A. Nobs 1949-6-16 791 Modoc Dry Valley Reservoir, 33 miles north-northwest of Alturas Comment
  CHSC85154  Elodea canadensis John Dittes; Josephine Guardino 1991-7-21 407 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; in channel at northern edge of Ash Creek Floodplain (Big Swamp) at southeast base of Pilot Butte. 1258 Comment
  RSA210813  Elodea nuttallii Robert F. Thorne, J. Henrickson, C. W. Tilforth 1969-9-4 39118 Modoc N Fork of Pit River 3.4 mi N of Alturas where crossed by Highway 395. 1341 Comment
  CAS-BOT-BC247721  Elymus X hansenii Bruce Bartholomew; Barrett Anderson 1988-6-23 4287 Modoc Widow Valley, 18.0 km W of Day on County Road 94. 1230 Comment
  CAS-BOT-BC247722  Elymus X hansenii Fred. P. Cronemiller 1920-8-1 28 Modoc Round Valley. 1402 Comment
  UC1037179  Elymus X macounii Leo Whitney 1935-8-13 3618 Modoc U.S.B.E.--MC-2 Comment
  CAS-BOT-BC247745  Elymus elymoides subsp. elymoides Bruce Bartholomew 1990-6-17 5322 Modoc E side of Surprise Valley, 9.6 km E of Eagleville at the Nevada border. 1580 Comment
  CHSC112389  Elymus elymoides var. californicus L. P. Janeway; B. Castro 2014-6-3 11317 Modoc Great Basin. Top of knoll between the lower end of Long Canyon and the lower end of Poison Springs Canyon, overlooking north end of Surprise Valley. Comment
  UC1025049  Elymus glaucus Leo Whitney 1935-8-3 3601 Modoc Buck Creek plot Comment
  JEPS73991  Elymus glaucus subsp. glaucus Frances D. Payne 1932-7-18 709 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  HSC8744  Elymus spicatus R. C. Wunner 1965-6-20 220 Modoc Lava Beds N.M., Lava Brook Cave. 1463 Comment
  UC803948  Elymus trachycaulus G. L. Stebbins Jr., P. Dansereau, K. Narayan, and C. McMillan 1949-8-7 4010 Modoc 35 mi s Tule Lake; Mud Lake 1524 Comment
  CAS-BOT-BC191034  Epilobium angustifolium subsp. circumvagum Bruce Bartholomew 1994-7-1 6763 Modoc Turner Creek on Forest Service rd. 42N21. 1400 Comment
  CAS-BOT-BC191036  Epilobium angustifolium subsp. circumvagum Leland S. Smith 1922-7-20 1276 Modoc Rush Creek Ranger Station pasture. 1889 Comment
  CAS-BOT-BC191039  Epilobium angustifolium subsp. circumvagum Leland S. Smith 1919-7-1 980 Modoc Coyote Creek, Warner Mts. 1828 Comment
  CAS-BOT-BC191023  Epilobium brachycarpum Mrs. H. C. Cantelow 1940-6-2 3750 Modoc 10 mi. NW of Canby. Comment
  HSC41113  Epilobium brachycarpum Thomas W. Nelson, James Nelson, Jane P. Nelson 1976-8-29 3260 Modoc Modoc National Forest: along Hwy. 299 just NW of Adin Pass 1524 Comment
  JEPS39237  Epilobium brachycarpum W. L. Jepson 1918-8-9 7912 Modoc Ft. Bidwell Comment
  RSA0113965  Epilobium brachycarpum Lowell A. Ahart, John Dittes 2008-8-25 15277 -A 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
  UC1191736  Epilobium brachycarpum Verne Grant and Irving Schneider 1947-7-18 8046 Modoc 5 mi n Bayley's bridge (s of Alturas); Eastside Canal Comment
  UC20103  Epilobium brachycarpum Milo S. Baker 1893-6-25 Modoc nr. Egg Lake Comment
  CAS-BOT-BC497199  Epilobium brachycarpum John H. Hatton 1911-6-24 162 Modoc Modoc Forest 1493 Comment
  RSA0011490  Epilobium brachycarpum Robert F. Thorne, Larry E. DeBuhr 1975-8-22 46964 Modoc Ca. 3.4 miles north of Alturas at bridge over North Fork of Pit River Comment
  UCD77624  Epilobium brachycarpum Robert E. Preston 2000-5-31 1355 Modoc Modoc Plateau, along Hwy 139, ca. 2 miles E of Forest Service Road 44N11. 1493 Comment
  CHSC117502  Epilobium campestre Lowell Ahart; John Dittes 2016-7-14 21179 Modoc West side of a new pond, south of Ash Creek Canal (now filled in), south of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. 1273 Comment
  UC1191618  Epilobium campestre Verne Grant and Irving Schneider 1947-7-29 8177 Modoc s Alturas; Payne Reservoir Comment
  CHSC117497  Epilobium ciliatum subsp. ciliatum Lowell Ahart; John Dittes 2016-7-14 21178 Modoc West side of a new pond, south of Ash Creek Canal (now filled in), south of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. 1273 Comment
  UC1191718  Epilobium ciliatum subsp. ciliatum Verne Grant and Irving Schneider 1947-7-19 8079 Modoc near Tules of East Canal (along Southern Pacific right-of-way, between Alturas and Likely); Williams Ranch 1219 Comment
  CAS-BOT-BC190985  Epilobium ciliatum subsp. glandulosum Bruce Bartholomew 1989-8-11 5072 Modoc Along Lassen Creek near SE side of Harris Flat, Warner Mountains. 1920 Comment
  UC748247  Epilobium clavatum Annie M. Alexander and Louise Kellogg 1946-8-1 5105 Modoc e side of divide Warner Mountains, Eagle Peak 3019 Comment
  CAS-BOT-BC190973  Epilobium densiflorum Herbert Louis Mason 1947-8-11 13495 Modoc Hwy 81, W margin of Lower Lake, near Modoc County boundary. Comment
  RSA563315  Epilobium densiflorum Bruce Bartholomew 1989-7-14 4971 Modoc Ca. 1 km east of Happy Camp Ranger Station Comment
  CAS-BOT-BC190964  Epilobium hallianum Bruce Bartholomew 1994-8-20 6858 Modoc W side of Goose Lake, N of McGinty Point. 1450 Comment
  CAS-BOT-BC190966  Epilobium hallianum Elmer Ivan Applegate 1932-8-2 8076 Modoc Mill Creek Meadows, western slope of Warner Mts. Comment
  CAS-BOT-BC190969  Epilobium hallianum Bruce Bartholomew 1991-7-4 5909 Modoc Roney Flat. 1460 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
  CAS-BOT-BC498682  Epilobium hornemannii C. L. Hitchcock 1940-5-27 6710 Modoc 15 miles NE of Alturas 1615 Comment
  NY1000405  Epilobium hornemannii var. hornemannii C. L. Hitchcock 1940-5-27 6710 Modoc 15 miles northeast of Alturas 1615 Comment
  NY1000485  Epilobium obcordatum B. M. Bartholomew 1990-8-4 5630 Modoc Crest of the Warner Mountains, ca. 0.5 km southeast of Patterson Lake along Summit Trail 2770 Comment
  NY1000489  Epilobium obcordatum F. M. Ownbey 1940-7-1 2157 Modoc Near summit of Cedar Peak, Warner Mountains Comment
  UC704887  Epilobium obcordatum Marion Ownbey and Fred G. Meyer 1940-7-1 2157 Modoc near summit of Cedar Peak; Warner Mts. Comment
  UCR34769  Epilobium obcordatum J. A. Harpel 1981-8-6 V- 15 Modoc Warner Mtns, South Warner Wilderness Area: E end of Patterson Lake, 7 mi NW of Eagleville 2744 Comment
  CAS-BOT-BC190927  Epilobium pygmaeum Peter Hamilton Raven; Otto Thomas Solbrig 1958-6-18 13332 Modoc Eastern outskirts of Lookout. Comment
  CAS-BOT-BC190928  Epilobium pygmaeum D. M. Moore 1960-6-4 122 Modoc Creek flowing into Pit River and crossing Adin Rd. E of Lookout. Comment
  CDA34216  Epilobium pygmaeum L. Ahart, J. Dittes 2010-8-3 17058 Modoc 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 miles (air) northeast of Bieber, Big Valley. Comment
  NY1000519  Epilobium pygmaeum L. C. Wheeler 1935-8-18 3894 Modoc 2 miles northeast of Alturas 1356 Comment
  CAS-BOT-BC190863  Epilobium torreyi Bruce Bartholomew 1994-8-20 6857 Modoc W side of Goose Lake, N of McGinty Point. 1450 Comment
  RSA26204  Equisetum arvense Alice Eastwood, J. T. Howell 1940-6-13 8182 Modoc East side of Cedar Pass Comment
  UC62577  Equisetum arvense Baker and Nutting 1894-8-20 Modoc Forestdale Comment
  CAS-BOT-BC30176  Equisetum hyemale subsp. affine Edward Kent Balls 1950-5-21 14818 Modoc Around south Fork Public Camp, South Fork Pitt River, Likely to Jess Valley 1432 Comment
  CAS-BOT-BC30184  Equisetum laevigatum Bruce Bartholomew; M; M. Gilbert; L. E. Skog 1993-5-13 6543 Modoc 8 km E of Likely along S Fork of Pit River. 1380 Comment
  CHSC116080  Equisetum laevigatum Lowell Ahart; John Dittes 2015-7-16 20393 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
  RSA252421  Equisetum laevigatum R. F. Thorne, C. W. Tilforth 1969-9-5 39182 Modoc South Fork of Pit River at bridge, 3.8 miles E of Likely 1387 Comment
  CAS-BOT-BC95485  Eremogone aculeata Annie Montague Alexander; L. Kellogg 1946-7-23 5053 Modoc Emerson Peak, Warner Mts. Comment
  HSC63952  Eremogone aculeata Teresa Prendusi 1980-6-19 1111 Modoc Larkspur Seeding 3 mi. E of top of Upper Lake in the Larkspur Hills 1463 Comment
  CAS-BOT-BC95449  Eremogone congesta Annie Montague Alexander; L. Kellogg 1946-6-10 4708 Modoc Lava bench between Lower and Snake lakes. Comment
  SJSU9557  Eremogone congesta var. simulans W. Savage 1979-7-3 1296 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  RSA602677  Eriastrum sparsiflorum L. C. Wheeler 1935-8-2 3747 Modoc Twelve Mile Creek, Warner Mts. 2287 Comment
  CAS-BOT-BC14811  Ericameria bloomeri Mrs. M. H. Manning 1905-9-15 s.n. Modoc Near Hall's Meadows. Comment
  HSC5736  Ericameria bloomeri M. T. Milligan 1966-7-29 492 Modoc Slopes and ridges E of Jess Valley 1677 Comment
  HSC67899  Ericameria bloomeri J. P. Smith, J. O. Sawyer 1973-8-9 7266 Modoc Blue Lake, Modoc National Forest. 1829 Comment
  UC76032  Ericameria bloomeri Milo S. Baker Modoc Forestdale Comment
  UC749386  Ericameria discoidea Annie M. Alexander and Louise Kellogg 1946-8-1 5104 Modoc Eagle Peak Modoc National Forest, Warner Mountains, Eagle Peak 2763 Comment
  SEINET195635  Ericameria discoidea var. discoidea Annie M. Alexander, Louise Kellogg 1946-8-1 5104 Modoc Eagle Peak Warner Mountains crest of divide 3019 Comment
  HSC81131  Ericameria greenei G. M. Riegel 1980-8-29 1126 Modoc South Warner Mtns. 1829 Comment
  UC711835  Ericameria greenei Roxana S. Ferris and Laura Lorraine 1941-8-14 10618 Modoc summit Fandango Pass (on road between Fort Bidwell and Pine Creek); Modoc National Forest, Warner Mountains 1889 Comment
  CAS-BOT-BC287483  Ericameria greenei Annie M. Alexander; Louise Kellogg 1946-8-9 5132 Modoc Slope above Patterson Lake Trail, Warner Mts 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
  CHSC85397  Ericameria nauseosa var. oreophila John Dittes; Josephine Guardino 1991-8-24 464 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
  JEPS117377  Ericameria nauseosa var. oreophila Lowell Ahart, John Dittes 2010-8-30 17052 Modoc About 3 yards east of the fence, south edge of the meadow, Ash Creek State Wildlife Area, 2,300 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley 1267 Comment
  UCD131477  Ericameria nauseosa var. oreophila K. M. Meyer; A. Townesmith 2007-9-16 212 Modoc Modoc National Forest, going E on Highway 299, 5.1 miles from the start of NF. Lower, Cedar Creek interpretive trail. 1622 Comment
  UC1192131  Ericameria nauseosa var. oreophila Herbert L. Mason and Verne Grant 1947-7-12 13409 Modoc sw of Alturas (w side of the South Fork of Pit River Valley; Vernal pool); South Fork of Pit River Valley Comment
  HSC41109  Ericameria nauseosa var. speciosa Thomas W. Nelson, Jane P. Nelson, James Nelson 1976-8-29 3263 Modoc Modoc National Forest; along Hwy. 299 just N west of Adin Pass 1524 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
  RSA152605  Erigeron aphanactis I. L. Wiggins, Dorothy Wiggins 1961-6-12 16371 Modoc At junction of Cedar Pass road with California Highway 299, 5.5 miles N of Alturas. Comment
  CAS-BOT-BC42809  Erigeron bloomeri var. bloomeri Ethel S. Willits 1940-6-5 326 Modoc Canby. 1371 Comment
  CAS-BOT-BC42811  Erigeron bloomeri var. bloomeri C. L. Hitchcock 1940-5-27 6669 Modoc 15 mi. NE of Alturas. 1615 Comment
  CHSC112854  Erigeron bloomeri var. bloomeri L. P. Janeway; B. Castro 2014-6-2 11281 Modoc Great Basin. Along County Road 5 1.0 km west of the southwest corner of Cow Head Lake. 1627 Comment
  UC71826  Erigeron bloomeri var. bloomeri Mrs. M. H. Manning 1903-6-1 169 Modoc Mt. Bidwell Comment
  UC895621  Erigeron bloomeri var. bloomeri C. L. Hitchcock 1940-5-27 6669 Modoc 15 mi e Alturas 1615 Comment
  UC31421  Erigeron chrysopsidis var. austiniae Mrs. R. M. Austin 1894-5-1 Modoc Comment
  CAS-BOT-BC42816  Erigeron compositus Annie M. Alexander; Louise Kellogg 1946-8-1 5103 Modoc Eagle Peak, Warner Mountains 3011 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
  UC87559  Erigeron divergens Mrs. R. M. Austin 1894-1-1 Modoc Goose Lake Valley 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
  JEPS5927  Erigeron divergens Frances D. Payne 1931-6-18 195 Modoc Parker Creek watershed Warner Mountains 1584 Comment
  CAS-BOT-BC42758  Erigeron eatonii var. plantagineus Francis Marion Ownbey; Frederick Gustav Meyer 1940-7-1 2144 Modoc N slope Cedar Peak, Warner Mtns. Comment
  CAS-BOT-BC42790  Erigeron eatonii var. plantagineus Barrett Anderson 1986-7-9 3168 Modoc Stough Reservoir Road, just E of Cedar Pass near Stough Reservoir, Warner Mountains 1965 Comment
  CAS-BOT-BC42793  Erigeron eatonii var. plantagineus Bruce Bartholomew 1989-7-15 4991 Modoc Sweagert Flat. 1860 Comment
  CHSC117858  Erigeron eatonii var. plantagineus L. P. Janeway 2016-5-16 11991 Modoc Modoc Plateau. Devils Garden area; along Road 47N07 1.8 road-km south of Road 181/73/47N09. 1573 Comment
  CHSC117880  Erigeron eatonii var. plantagineus L. P. Janeway 2016-5-17 12010 Modoc Modoc Plateau. Devils Garden area; flat just below (west of) Porcupine Rim; 0.3 km north of Road 43N18; 4.0 air-km west of Big Sage Reservoir 1544 Comment
  POM301767  Erigeron eatonii var. plantagineus Marion Ownbey, Fred G. Meyer 1940-7-1 2144 Modoc Cedar Peak, Warner Mountains. Comment
  UC76015  Erigeron eatonii var. plantagineus Milo S. Baker 1893-1 Modoc Forestdale Comment
  UC87676  Erigeron eatonii var. plantagineus Mrs. R. M. Austin June 1894 Modoc Lava Beds Comment
  CAS-BOT-BC42765  Erigeron elegantulus Dean William Taylor; Robert Allen Price 1988-6-4 9764 Modoc Tule Lake Basin, along road to Lava Beds National Monument, ca. 6.6 mi W of Hwy 139. 1280 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-BC42773  Erigeron filifolius John Thomas Howell 1934-6-13 12099 Modoc Patterson Mill Road, Warner Mountains 1676 Comment
  CAS-BOT-BC49631  Erigeron filifolius John Thomas Howell 1934-6-30 12283 Modoc Duncan Horse Camp. 1355 Comment
  POM204115  Erigeron filifolius J. T. Howell 1934-6-13 12099 Modoc Patterson Mill Road, Warner Mtns. 1677 Comment
  UC71825  Erigeron filifolius Mrs. M. H. Manning 559 Modoc Mt. Bidwell 2438 Comment
  CAS-BOT-BC49636  Erigeron inornatus var. inornatus Bruce Bartholomew 1989-8-10 5047 Modoc 8.7 km E of Day on County Road 94. Comment
  HSC81107  Erigeron inornatus var. inornatus G. M. Riegel 1979-8-24 708 Modoc S Warner Mtns. 1670 Comment
  CAS-BOT-BC49641  Erigeron linearis Alice Eastwood; John Thomas Howell 1940-6-12 8083 Modoc Jess Valley. Comment
  CAS-BOT-BC49646  Erigeron linearis M. Vasey 1990-6-28 9007 Modoc In vicinity of pass at junction of North Emerson Lake Trail and Owl Creek Trail. 2590 Comment
  RSA245023  Erigeron linearis D. H. Norris, T. Nelson, S. Dowty 1971-6-23 19364 Modoc along the South fork of the Pit River, about 6 miles east of Likely Comment
  UC190610  Erigeron linearis M. F. Gilman 667 Modoc Comment
  UC71827  Erigeron linearis Mrs. M. H. Manning Jun 1 1904-Jul 1 1904 469 Modoc slopes above Alkali Lake (ne Modoc County) Comment
  CAS-BOT-BC49582  Erigeron philadelphicus Bruce Bartholomew; Barrett Anderson 1988-6-24 4355 Modoc 9.8 km SW of County road 1 on County Road 42, E side of the Warner Mts.. 1960 Comment
  CHSC66994  Erigeron pumilus var. intermedius James D. Jokerst 1987-5-12 2855 A Modoc Radar Survey Site S of Doublehead Mtn., N end of central sector, NE of road. Comment
  RSA90968  Erigeron pumilus var. intermedius F. W. Peirson 1926-6-25 6885 Modoc 1 mile east of summit, Cedarville Road, Warner Mountains Comment
  CAS-BOT-BC197831  Eriogonum caespitosum Elmer Ivan Applegate 1932-7-9 7605 Modoc Bidwell Mountain, Warner Mts. Comment
  CAS-BOT-BC197832  Eriogonum caespitosum M. Vasey 1990-6-28 9006 Modoc In vicinity of pass at junction of North Emerson Lake Trail and Owl Creek Trail, Wouth Warner Wilderness. 2590 Comment
  SEINET5328663  Eriogonum caespitosum M. J. Williams 1988-5-30 88- 26 -8 Modoc Jess Valley, E of Likely, S of roadside rest. 1524 Comment
  JEPS57005  Eriogonum elatum var. elatum W. L. Jepson 1918-8-9 7919 Modoc 3 mi s Ft. Bidwell 1432 Comment
  POM105620  Eriogonum elatum var. elatum R. M. Austin 1895-08 435 Modoc Goose Lake Valley. Comment
  JEPS56885  Eriogonum heracleoides var. heracleoides W. L. Jepson 1918-8-7 7890 Modoc Plateau summit Mt. Bidwell 2468 Comment
  NY280768  Eriogonum heracleoides var. heracleoides B. M. Bartholomew 1990-7-20 5483 Modoc 10.3 km N of Buck Creek Ranger Station, crest of Warner Mountains W side of Warner Mts. 2130 Comment
  UC1250296  Eriogonum heracleoides var. heracleoides Annie M. Alexander and Louise Kellogg 1946-7-14 5070 Modoc Emerson Peak Warner Mountains, Horse Mountain, Emerson Peak Comment
  HSC80880  Eriogonum marifolium var. marifolium G. M. Riegel 1978-8-31 176 Modoc S Warner Mtns. 1829 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-BC197796  Eriogonum microthecum var. laxiflorum Bruce Bartholomew 1990-6-17 5323 Modoc E side of Surprise Valley, 9.6 km E of Eagleville at the Nevada border. 1580 Comment
  CAS-BOT-BC197801  Eriogonum microthecum var. microthecum John Thomas Howell 1934-6-13 12098 Modoc Patterson Mill Road, Warner Mts. 1676 Comment
  CAS-BOT-BC197802  Eriogonum microthecum var. microthecum Roxana Stinchfield Ferris; L. Lorraine 1941-8-14 10607 Modoc About 10 miles from Patterson Ranger Station to Eagleville Road, Warner Mts.. Comment
  CDA35640  Eriogonum nudum J. R. Keck Jr. 1985-7-1 PDR# 237693 & PDR# 237694 Modoc U. S. Forest Service land, Modoc National Forest. 0 Comment
  CAS-BOT-BC211442  Eriogonum nudum var. pubiflorum Noel Herman Holmgren; J. L. Reveal 1964-8-21 1717 Modoc About 5 miles SW of Eagleville on the Eagleville-Likely Road. Modoc National Forest, Warner Range Comment
  HSC81009  Eriogonum nudum var. pubiflorum G. M. Riegel 1980-7-14 869 Modoc S Warner Mtns. 1739 Comment
  RSA165447  Eriogonum nudum var. pubiflorum Clare B. Hardham 1961-6-18 7553 Modoc Warner Mountains: east of Cedar Pass 1829 Comment
  SEINET11261581  Eriogonum nudum var. pubiflorum Stanley L. Welsh, N. Duane Atwood 2001-6-14 28160 Modoc Along Hwy 395. Ca 6 mi s of Alturas.; 0 Comment
  UC77614  Eriogonum nudum var. pubiflorum Mrs. R. M. Austin Aug. 1884 Modoc Goose Lake Valley Comment
  UCD100701  Eriogonum nudum var. pubiflorum Johnnie L. Gentry Jr.; Earl Jensen Jr. 1968-7-4 2114 Modoc 3.9 miles west of Hwy. jct. CA-139 and CA-299, on CA-299 at Pit River. 1341 Comment
  SEINET5330947  Eriogonum nudum var. pubiflorum J. Gentry Jr. 1968-7-4 2114 Modoc 3.9 miles west of Hwy. jct. Calif. 139 and Calif. 299, on Calif. 299 at Pit River. 1341 Comment
  UCR40347  Eriogonum ovalifolium G. R. Ballmer, G. F. Pratt 1985-7-15 s.n. Modoc Warner Mtns., near the summit of Mount Bidwell 2500 Comment
  HSC75596  Eriogonum ovalifolium var. nivale G. M. Riegel 1980-8-20 1073 Modoc S Warner Mtns. 1829 Comment
  HSC75590  Eriogonum spergulinum var. reddingianum G. M. Riegel 1980-8-6 1000 Modoc South Warner Mtns. 1670 Comment
  UCD32702  Eriogonum sphaerocephalum Beecher Crampton 1954-7-6 2122 Modoc Modoc County, 6 miles east of Alturas, along road 56, Collis Ranch. 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
  CHSC100839  Eriogonum sphaerocephalum var. halimioides L. P. Janeway; B. Castro 2008-8-17 9575 Modoc Warner Mountains. 2.4 km east of Bald Mountain; broad saddle between Daniels Creek and an unnamed northern branch of Soldier Creek. 2209 Comment
  CHSC59787  Eriogonum sphaerocephalum var. halimioides Mary Meyer 1980-6-19 Modoc Larkspur seeding, far end, south 1/4 mi off road. 1524 Comment
  SEINET530722  Eriogonum sphaerocephalum var. halimioides Paul Opler 2008-7-12 Modoc Warner Mts., Cedar Pass, Hwy 299. N Slough Resvr. Campground. 1997 Comment
  UC849735  Eriogonum sphaerocephalum var. halimioides Lewis S. Rose 1940-6-11 40510 Modoc 7 mi n Adin (Indian Spring); Indian Spring 1524 Comment
  SEINET5331610  Eriogonum sphaerocephalum var. halimioides M. J. Williams 1983-7-29 83- 116 -6 Modoc 1.1 mi N of Stowe Reservoir Campground, N of Cedar Pass, Warner Mtns. 2088 Comment
  CAS-BOT-BC211371  Eriogonum umbellatum Bruce Bartholomew 1992-8-8 6368 Modoc Summit Trail at pass on W ridge of Warren Peak, E side of Warner Mountains. 2870 Comment
  CAS-BOT-BC211372  Eriogonum umbellatum M. Vasey 1990-6-30 9064 Modoc Along County Road 95 in dried wetland nort of road near Egg Lake. 1500 Comment
  NY399140  Eriogonum umbellatum var. glaberrimum J. L. Reveal 1978-8-11 4823 Modoc Warner Mountains, Dismal Swamp, about 2 miles north of Modoc County Road 2, at the northwest end of Dismal Swamp south of Dismal Creek 2225.0 Comment
  CAS-BOT-BC197783  Eriogonum umbellatum var. nevadense Elmer Ivan Applegate 1932-8-1 7996 Modoc N of Mill Creek Meadows, Warner Mts. Comment
  CAS-BOT-BC197794  Eriogonum umbellatum var. nevadense Elmer Ivan Applegate 1932-8-1 8014 Modoc 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-BC197616  Eriogonum umbellatum var. polyanthum Bruce Bartholomew 1990-6-18 5380 Modoc Crowder Flat Rd, 0.3 km N of turn off to Big Sage Reservoir. 1480 Comment
  CAS-BOT-BC197619  Eriogonum umbellatum var. polyanthum Elmer Ivan Applegate 1932-8-1 8026 Modoc Warner Mts. just S of Warren Peak. Comment
  CAS-BOT-BC197620  Eriogonum umbellatum var. polyanthum K. Paulson; Robert Paulson 1989-5-8 109 Modoc Howard's Gulch, along Hwy 139. 1371 Comment
  HSC81003  Eriogonum umbellatum var. polyanthum G. M. Riegel 1980-6-25 774 Modoc S Warner Mtns. 1739 Comment
  SEINET5331990  Eriogonum umbellatum var. polyanthum M. J. Williams 1988-5-30 88- 23 -1 Modoc First road into Big Sage Reservoir from Crowder Flat Road, NW of Alturas. 1539 Comment
  HSC41120  Eriogonum vimineum Thomas W. Nelson, Jane P. Nelson, James Nelson 1976-8-29 3254 Modoc Modoc National Forest: along Hwy. 299 just NW of Adin Pass 1524 Comment
  JEPS117498  Eriogonum vimineum Lowell Ahart, John Dittes 2010-8-31 17115 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 Valle 1295 Comment
  NY399608  Eriogonum vimineum B. Anderson 1986-7-9 3162 Modoc Warner Mountains. County road 195 just east of Cedar Pass 1785 Comment
  SEINET10299471  Eriogonum vimineum F. H. Frost 1925-7-11 17 Modoc Cedar Canyon campsite, 2 miles above Cedarville Comment
  UC634521  Eriogonum vimineum F. H. Frost 1925-7-11 17 Modoc Cedar Canyon 2 mi above Cedarville; Warner Mts., Cedar Canyon Comment
  SEINET10299473  Eriogonum vimineum J. M. Tucker 1951-7-25 1971 Modoc Beside highway 139, 26.4 miles southeast of Tule Lake Comment
  SEINET5332112  Eriogonum vimineum M. J. Williams 1984-7-1 84- 85 -2 Modoc NW of Aturas, 2.1 mi N of Hwy 299, on Chowder Flat Road. 1372 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-BC49565  Eriophyllum lanatum Bruce Bartholomew 1991-8-4 6023 Modoc Vicinity of Pepperdine Camp Ground, W side of the Warner Mts. 2090 Comment
  CAS-BOT-BC49590  Eriophyllum lanatum John H. Hatton 1911-6-22 145 Modoc Modoc National Forest 1615 Comment
  CHSC115488  Eriophyllum lanatum var. achilleoides L. P. Janeway 2014-7-8 11471 Modoc Modoc Plateau. East corner of Dry Creek Rim; along Road 47N08 (Corral Creek Road) 5.1 road-km north-northwest of Road 48 (along the west edge of Goose Lake). 1759 Comment
  HSC5589  Eriophyllum lanatum var. achilleoides M. T. Milligan 1964-6-6 10 Modoc N side of Dorris Reservoir along shore 1372 Comment
  UC201712  Eriophyllum lanatum var. achilleoides W. P. Taylor and H. C. Bryant 1910-6-25 Modoc Parker Cr. Warner Mountains, Parker Cr. 1676 Comment
  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
  UC896322  Eriophyllum lanatum var. achilleoides Lewis S. Rose 1940-6-13 40544 Modoc ne Alturas; Surprise 1371 Comment
  UC31683  Eriophyllum lanatum var. achilleoides Milo S. Baker 1893-6-27 Modoc 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
  JEPS6031  Eriophyllum lanatum var. integrifolium Frances D. Payne 1929-6-28 30 Modoc s and e of Alturas; Warner Mountains, Parker Creek 1584 Comment
  CAS-BOT-BC498754  Eriophyllum lanatum var. leucophyllum L. S. Smith 1918-7-22 1005 Modoc Modoc Forest, McCarva Ranch, Blue Lake 1828 Comment
  CAS-BOT-BC180081  Erodium cicutarium Elmer Ivan Applegate 1897-5-31 882 Modoc Bloody Point, Tule Lake. Comment
  UC1540174  Eryngium alismifolium Dean Wm. Taylor and Glenn L. Clifton 1987-6-27 9085 Modoc northwestern margin Dorris Reservoir; northwestern margin of Dorris Reservoir 1341 Comment
  JEPS94698  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
  CAS-BOT-BC497204  Eryngium articulatum Louis C. Wheeler 1935-9-13 3985 Modoc Davil's Garden: Fletcher Creek at Pease Place 1524 Comment
  CAS-BOT-BC58327  Erysimum capitatum var. capitatum Bruce Bartholomew 1992-5-16 6336 Modoc Burned area along County Road 91, ca. 2.5 km S of turn off to Happy Camp Ranger Station. 1390 Comment
  CAS-BOT-BC58573  Erysimum capitatum var. capitatum John Thomas Howell 1934-6-30 12285 Modoc Duncan Horse Camp. 1355 Comment
  CDA8333  Erysimum repandum Carri Pirosko 2008-6-1 PDR# 1303870 Modoc Alturas, Schluter Ranch, Pencil Rd. X HWY 395 0 Comment
  CHSC114309  Erysimum repandum Carri Pirosko 2008-6-10 Modoc Alturas, Schluter Ranch, Pencil Rd. X HWY 395. Comment
  RSA563313  Erysimum repandum Bruce Bartholomew, M. Bourell 1990-4-27 5185 Modoc 10.3 km NW of Hwy 299 on Crowder Flat Rd. (Elevation 1) Comment
  CAS-BOT-BC229899  Erythranthe breviflora Bruce Bartholomew; Barrett Anderson 1990-7-20 5518 Modoc Tamarack Flat, E side of Warner Mts. 2150 Comment
  CAS-BOT-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-BC229902  Erythranthe breviflora Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10552 Modoc Patterson Ranger Station (East Creek drainage). 2164 Comment
  CAS-BOT-BC234516  Erythranthe guttata Bruce Bartholomew 1992-5-15 6286 Modoc Vicinity of Leonard Hot Spring, E side of Surprise Valley. 1370 Comment
  CAS-BOT-BC234475  Erythranthe inflatula Bruce Bartholomew 1995-6-22 6988 Modoc Between Day and Lookout, just W of Burlington Northern Railroad track on County Road 94. 1270 Comment
  CHSC117566  Erythranthe inflatula Lowell Ahart; John Dittes 2016-7-14 21183 Modoc Around 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
  CAS-BOT-BC234519  Erythranthe latidens Bruce Bartholomew 1993-6-12 6577 Modoc Road to Day Rock from Little Hot Spring Valley. 1250 Comment
  CAS-BOT-BC234528  Erythranthe lewisii Bruce Bartholomew; Barrett Anderson 1988-7-22 4525 Modoc Mill Creek, Lake City Canyon, 5.5 km W of Lake City, E side of the Warner Mts.. 1860 Comment
  SEINET195628 Image available Erythranthe lewisii Annie M. Alexander, Louise Kellogg 1946-1 5064 Modoc Bear Camp Flat Warner Mountains; at creek on trail to Emerson Camp. Comment
  CAS-BOT-BC234514  Erythranthe microphylla Bruce Bartholomew 1991-7-6 5985 Modoc Sand Flat on Loveness Logging Road. 1370 Comment
  UC17637  Euphorbia crenulata Milo S. Baker 1893-7-12 Modoc Lava Beds 1371 Comment
  UCD142822  Euphorbia serpillifolia Herbert L. Mason; Verne Grant 1947-7-10 13325 Modoc Dorris Reservoir, 2 miles east of Alturas. Comment
  UC17627  Euphorbia spathulata Milo S. Baker 1894-6-15 Modoc Little Hot Spring Valley Comment
  HSC80818  Festuca idahoensis G. M. Riegel 1980-7-14 870 Modoc S Warner Mtns. 1739 Comment
  UC1024898  Festuca idahoensis Leo Whitney 1935-5-23 3116 Modoc 15 mi nw Canby; Modoc National Forest, Hackamore 1463 Comment
  UC1024907  Festuca idahoensis Leo Whitney 1935-5-19 3103 Modoc ca 15 mi nw Canby; Modoc National Forest, Hackamore 1463 Comment
  UC1024842  Festuca occidentalis Leo Whitney 1935-6-9 3210 a Modoc White Horse Comment
  HSC9856  Festuca pratensis M. T. Milligan 1964-7-20 160 Modoc N end of Jess Valley, near Mill Creek. 1677 Comment
  HSC80816  Festuca rubra G. M. Riegel 1979-7-5 492 Modoc S Warner Mtns. 2100 Comment
  UC1025053  Festuca rubra Leo Whitney 1935-7-21 3585 Modoc 15 mi w Canby; Modoc National Forest, Happy Camp 1463 Comment
  UCD66296  Festuca rubra Beecher Crampton; Carl Rimbey 1954-7-8 2175 Modoc Jess Valley, Warner Mountains, 15 miles east of Likely. Comment
  JEPS27123  Floerkea proserpinacoides Lauramay T. Dempster 1961-6-18 1685 Modoc just s of Cedar Pass Comment
  RSA25411  Floerkea proserpinacoides C. L. Hitchcock 1940-5-27 6696 Modoc 15 miles NE of Alturas. 1616 Comment
  UC17912  Floerkea proserpinacoides M. S. Baker and Frank Nutting 1894-6-15 Modoc Big Valley Mountains Comment
  NY188595  Frasera albicaulis B. J. Ertter 1988-6-18 7620 Modoc Hwy 139 ca. 50 airmiles SW of Klamath falls, a few miles N of Agric. Inspection station, 1 mi. S of S jct to lava Beds National Monument E of Tonesta. 1310.6 Comment
  CAS-BOT-BC191141  Fraxinus latifolia Leland S. Smith 1504 Modoc West side Egg lake edge of lavas. 1310 Comment
  CAS-BOT-BC242094  Fritillaria pudica K. Paulson; Robert Paulson 1989-4-16 97 Modoc Crowder Flat Road, Devil's Garden. 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-BC242099  Fritillaria pudica Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-10 6432 Modoc 5 km NE of Davis Creek on road to Plum Valley Campground. 1700 Comment
  UC1036047  Fritillaria pudica Annie M. Alexander and Louise Kellogg 1946-6-8 4699 Modoc road from Eagleville to Patterson Mill 2286 Comment
  JEPS61945  Fritillaria pudica Mary H. Manning 1911-4-2 Modoc about 100 feet above Rhett Lake ((Tule Lake), e side) Comment
  UC119837  Fritillaria pudica Mrs. R. M. Austin Apr. 1894 5 Modoc Lassen Creek Comment
  UCD124909  Galeopsis tetrahit Herbert L. Mason; Verne Grant 1947-7-12 13417 Modoc Near south end of west side road, Pit River Valley, south of Alturas. Comment
  CAS-BOT-BC225050  Galium aparine Bruce Bartholomew; Barrett Anderson 1990-7-20 5545 Modoc N edge of Howard Flat, W side of Warner Mts. 2000 Comment
  CAS-BOT-BC225057  Galium aparine John Thomas Howell 1934-6-13 12063 Modoc Fandango Pass. 1828 Comment
  CAS-BOT-BC225058  Galium bifolium Bruce Bartholomew; Barrett Anderson 1989-6-2 4843 Modoc Vicinity of Stough Reservoir, Warner Mountains. 1950 Comment
  CAS-BOT-BC225065  Galium glabrescens subsp. glabrescens Clare Butterworth Hardham 1961-6-18 7540 Modoc 3.2 mi. E of summit of Cedar Pass. Comment
  HSC80868  Galium glabrescens subsp. modocense G. M. Riegel 1980-8-28 1100 Modoc S Warner Mtns., S Warner Wilderness Area 2676 Comment
  RSA202644  Galium glabrescens subsp. modocense F. Ehrendorfer, G. Ledyard Stebbins 1959-6-28 5909 Modoc Warner Mountains, Horse Mountain, near the top 2591 Comment
  CAS-BOT-BC497345  Galium glabrescens subsp. modocense G. Schoolcraft 1999-6-9 2830 Modoc Lower slopes of Warner Mtns., 3.5 mi N of Eagleville 1584 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
  CAS-BOT-BC225084  Galium triflorum Bruce Bartholomew; Barrett Anderson 1988-7-22 4531 Modoc Mill Creek, Lake City Canyon, 5.5 km W of Lake City, E side of the Warner Mts.. 1860 Comment
  HSC89840  Galium triflorum Gary Schoolcraft 1980-7-22 326 Modoc About half way up Lake City Canyon W of Lake City 1890 Comment
  UC1075754  Gayophytum decipiens Robert J. Weatherby 1955-7-8 1609 B Modoc 7 mi n Ft. Bidwell 1874 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
  CAS-BOT-BC190838  Gayophytum diffusum subsp. parviflorum Elmer Ivan Applegate 1932-8-2 8064 Modoc Mill Creek Meadow, western slope of Warner Mts. Comment
  CAS-BOT-BC190844  Gayophytum diffusum subsp. parviflorum Bruce Bartholomew 1991-8-5 6025 Modoc Summit Trail between Pepperdine and Squaw Peak, W side of Warner Mts. 2190 Comment
  CAS-BOT-BC190846  Gayophytum diffusum subsp. parviflorum Bruce Bartholomew 1989-7-14 4948 Modoc ca. 8 km NE of Egg Lake and 2.5 km E of Survice Gulch. 1340 Comment
  CAS-BOT-BC190849  Gayophytum diffusum subsp. parviflorum Bruce Bartholomew 1989-8-13 5139 Modoc ca. 3.2 km N of Manzanita Mountain. 1580 Comment
  CAS-BOT-BC190851  Gayophytum diffusum subsp. parviflorum Bruce Bartholomew; Barrett Anderson 1988-7-22 4493 Modoc Vicinity of East Creak Trailhead, southern end of the Warner Mts. 2210 Comment
  CAS-BOT-BC190852  Gayophytum diffusum subsp. parviflorum Bruce Bartholomew 1989-7-15 5023 Modoc Manzanita Lookout, top of Manzanita Mountain. 2130 Comment
  SD58201  Gayophytum diffusum subsp. parviflorum W. L. Jepson 1918-8-7 7863 Modoc Mt. Bidwell 2133 Comment
  UCR77777  Gayophytum diffusum subsp. parviflorum B. Bartholomew 1991-7-6 5966 Modoc 2.4 km west of County Road 91 [on?] Forest Service Road 42N03 1340 Comment
  RSA165628  Gayophytum humile Clare B. Hardham 1961-6-17 7516 Modoc Cedar Pass Camp Ground, Warner Mountains. Comment
  RSA31283B  Gayophytum racemosum Frances D. Payne 1934-8-29 s.n. Modoc Parker Creek 1585 Comment
  POM203074  Gayophytum ramosissimum J. T. Howell 1934-6-30 12281 Modoc Duncan Horse Camp. Comment
  HSC16402  Gayophytum ramosissimum M. T. Milligan 1966-6-19 472 Modoc Plateau W of Jess Valley 1829 Comment
  UC444850  Gentiana affinis var. ovata Mrs. M. H. Manning Modoc north-eastern Modoc County Comment
  UC187819  Gentianopsis simplex Mrs. R. M. Austin Aug, 1894 95 Modoc head waters of Lassen Creek Comment
  CHSC116075  Geranium carolinianum Lowell Ahart; John Dittes 2015-7-16 20395 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-BC180070  Geranium viscosissimum Elmer Ivan Applegate 1932-7-31 7975 Modoc Mill Creek Meadow. Comment
  CAS-BOT-BC180077  Geranium viscosissimum John H. Hatton 1911-6-13 79 Modoc Modoc County. 1389 Comment
  CAS-BOT-BC180078  Geranium viscosissimum John Thomas Howell 1934-6-11 11947 Modoc Parker Creek. 1584 Comment
  JEPS61451  Geranium viscosissimum Frances D. Payne 1931-6-17 164 Modoc s and e of Alturas; Warner Mountains, Parker Creek 1584 Comment
  UC71633  Geranium viscosissimum Mrs. M. H. Manning 1902-10-11 42 Modoc Warner Mts., ne Modoc County Warner Mts. 1981 Comment
  CAS-BOT-BC214655  Geum macrophyllum Roxana Stinchfield Ferris; R. Duthie 1919-6-13 49 Modoc Parker Creek near Modoc Nat. Forest Boundary. Comment
  CAS-BOT-BC214660  Geum triflorum E. S. Willits 1940-5-20 280 Modoc Between Perez and Canby. 1371 Comment
  CAS-BOT-BC214668  Geum triflorum Edward Kent Balls 1950-5-20 14792 Modoc South Fork Public Camp, South Fork Pit River, Likely to Clear Lake. 1432 Comment
  CAS-BOT-BC214667  Geum triflorum Fred. P. Cronemiller 1920-7-1 19 Modoc Lost Canyon, Bieber Range. 1463 Comment
  UC465638  Geum triflorum M. F. Gilman 637 Modoc Comment
  UCSB19697  Gilia capillaris C. Hardham 1961-6-18 7815 Modoc CEDAR PASS Comment
  CAS-BOT-BC190696  Gilia inconspicua Leland S. Smith 1919-5-18 1098 Modoc Plateau S Fitzhugh Creek - Likely road. 1524 Comment
  CAS-BOT-BC190699  Gilia inconspicua Bruce Bartholomew 1991-5-24 5714 Modoc Surprise Valley, 7.7 km NE of County Rd. 37 on County Rd. 38, at the Nevada State boundary. 1370 Comment
  CAS-BOT-BC190694  Gilia inconspicua Elmer Ivan Applegate 1935-6-7 9395 Modoc Thomas Massacre area, Lava Beds National Monument. Comment
  NY964517  Gilia leptomeria var. micromeria B. M. Bartholomew 1995-5-13 6902 Modoc East of Eagleville near Eagleville Airport, south end of Surprize Valley 1390 Comment
  CAS-BOT-BC190675  Gilia sinistra subsp. sinistra Clare Butterworth Hardham 1961-6-18 7815 Modoc Cedar Pass. Comment
  CAS-BOT-BC95145  Githopsis specularioides Bruce Bartholomew 1993-6-12 6588 Modoc Road to Day Rock from Little Hot Spring Valley. 1250 Comment
  UCD117558  Glaux maritima John C. Hays 1950-1 s.n. Modoc Surprise Valley. 1402 Comment
  SBBG21241  Glyceria elata B. Crampton 1954-7-8 Modoc 15 mi E of Likely, Jess Valley 1676 Comment
  CAS-BOT-BC49570  Glyptopleura marginata Bruce Bartholomew; B. Anderson 1989-6-2 4834 Modoc 6.4 km E of Eagleville on the road to the Calif. state border, E side of Surprise Valley. 1550 Comment
  CAS-BOT-BC49537  Gnaphalium palustre Bruce Bartholomew 1994-10-8 6877 Modoc 1.8 km S of Lookout - Adin Road on County Road 87A. 1260 Comment
  CHSC117252  Gnaphalium palustre Lowell Ahart; John Dittes 2016-7-14 21157 -A Modoc West side of new pond, south of Ash Creek Canal (now filled in), south of Ash Creek State Wild Life Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. 1271 Comment
  CAS-BOT-BC229883  Gratiola ebracteata Bruce Bartholomew 1991-8-4 6020 Modoc Pine Spring, ca. 8 km directly W of Goose Lake. 1580 Comment
  UC1191881  Gratiola neglecta Herbert L. Mason and Verne Grant 1947-7-11 13373 Modoc off Highway 395 s Alturas (irrigation ditch by Jones' Lane) Comment
  CAS-BOT-BC95533  Grayia spinosa Bruce Bartholomew; Barrett Anderson 1989-4-29 4684 Modoc 9-11 km E of Fort Bidwell on road to Fee Reservoir, NE corner of Surprise Valley. 1580 Comment
  JEPS114665  Grindelia hirsutula Lowell Ahart, John Dittes 2008-8-21 15279 Modoc On the west side of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-northeast of Lookout 1273 Comment
  CAS-BOT-BC54091  Hackelia cusickii K. Paulson; Robert Paulson 1989-5-21 116 Modoc Crowder Flat Road, Devil's Garden. 1341 Comment
  CAS-BOT-BC54096  Hackelia cusickii Bruce Bartholomew; Mona Bourell 1990-4-28 5209 Modoc 4.3 km SE of Rush Creek on road to Hunters Ridge. 1550 Comment
  RSA531347  Hackelia cusickii K. Paulson 1989-5-21 116 Modoc Crowder Flat road, Devil s Garden 1341 Comment
  RSA565105  Hackelia cusickii D. W. Taylor 1992-5-7 12527 Modoc 0.5 miles E of Duncan Reservoir, on western rim of Black Canyon. 1524 Comment
  CAS-BOT-BC54100  Hackelia micrantha Bruce Bartholomew 1991-8-5 6037 Modoc Squaw Peak Trail on N side of Squaw Peak, E side of Warner Mts. 2420 Comment
  RSA26981  Hackelia micrantha C. L. Hitchcock 1940-5-27 6692 Modoc 15 miles NE of Alturas. 1616 Comment
  UC449872  Hackelia micrantha Mrs. M. H. Manning 1907-1 Modoc e side of Mount Bidwell (12 Mile Creek) Comment
  CAS-BOT-BC497194  Hackelia micrantha E. Joyal; D. Mehlman 1988-6-28 1291 Modoc N. Warner Mts., ridge road Comment
  SEINET195636  Haplopappus acaulis Annie M. Alexander, Louise Alexander 1946-8-9 5138 Modoc Patterson Lake Trail Warner Mountains Comment
  UC32258  Helianthella californica subsp. nevadensis Milo S. Baker 1893-6-20 Modoc Comment
  CAS-BOT-BC49547  Helianthus annuus Isabelo T. Kelly 1930-1-1 35 Modoc Fort Bidwell. Comment
  POM311135  Helianthus annuus subsp. lenticularis Annetta Carter 1946-8-18 1775 Modoc Along roadiside in open valley; Eound Valley, 3 miles northeast of Adin 1402 Comment
  JEPS19752  Helianthus cusickii Rimo Bacigalupi with S. Galen Smith 1957-6-28 5986 Modoc on road cut along U.S. Hwy 299 2 mi e (S.P) railroad crossing 1310 Comment
  OBI48585  Helianthus cusickii Lewis S. Rose 1940-6-11 40512 Modoc Canby 1326 Comment
  RSA92483  Helianthus cusickii F. W. Peirson 1926-6-26 6902 Modoc between Alturas and Canby Comment
  JEPS103206  Heliotropium europaeum G. Schoolcraft 1987-9-9 1777 Modoc Along Ash Valley Road about 1/2 miles east of Adin 1280 Comment
  RSA0113964  Hemizonia lobbii Lowell A. Ahart, John Dittes 2008-8-25 15328 Modoc On the east side County Road 91, 3.9 miles (air) north-northeast of Lookout. 1276 Comment
  RSA767679  Hemizonia parryi subsp. rudis L. Ahart, John Dittes 2010-8-30 17060 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
  JEPS5965  Heracleum lanatum Frances D. Payne 1931-6-20 200 Modoc s. and e. Alturas (Parker Creek); Warner Mts., Parker Creek 1584 Comment
  UC71555  Heracleum lanatum Mrs. M. H. Manning 1903-1 195 Modoc creeks near Fort Bidwell; n.e. Modoc Co. Comment
  UC71556  Heracleum lanatum Mrs. M. H. Manning 1903-1 195 Modoc creeks near Fort Bidwell; n.e. Modoc Co. Comment
  CHSC106329  Herniaria hirsuta subsp. hirsuta Lowell Ahart; John Dittes 2010-8-31 17110 Modoc In the parking area on the east side of Elkins Lane, northeast of the homestead, about 300 yards north of the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1295 Comment
  CAS-BOT-BC180034  Hesperochiron pumilus Mrs. H. C. Cantelow 1941-5-22 Modoc Hwy 299 just S of Adin Pass Summit. Comment
  CAS-BOT-BC180036  Hesperochiron pumilus Annie Montague Alexander; L. Kellogg 1946-6-15 4781 Modoc Deep Creek. 2194 Comment
  CAS-BOT-BC180039  Hesperochiron pumilus Bruce Bartholomew; Barrett Anderson 1988-5-12 4102 Modoc White Horse. 1340 Comment
  UC1537542  Hesperochiron pumilus Gordon H. True Jr. 1938-5-25 917 Modoc between Widow Valley and Day 1219 Comment
  CAS-BOT-BC179181  Hesperolinon micranthum Frank Warrington Peirson 1926-6-25 6858 Modoc Cedarville Road, about 10 mi. E of Alturas. Comment
  CAS-BOT-BC179182  Hesperolinon micranthum B. Bartholomew; Barrett Anderson 1988-6-23 4224 Modoc 2.1 km SSE of Day on the road to State Highway 299. 1020 Comment
  UC1212250  Hesperolinon micranthum Helen K. Sharsmith 1955-6-25 4506 Modoc n slope Jess Valley; Warner Mountains, Modoc National Forest 1584 Comment
  UC1536816  Heteranthera dubia Gordon H. True Jr. 1939-7-19 1007 Modoc near Canby Pit R. Comment
  SEINET201656  Heuchera cylindrica A. Cronquist, AH Holmgren 1959-6-19 8503 Modoc Warner Mts a little above Clear Lake above Mill Creek 15 miles E of Likely. In section 27 or 28 1981 Comment
  UC1249272  Heuchera cylindrica var. alpina Arthur Cronquist, Arthur H. Holmgren 1959-6-19 8503 Modoc 15 mi e Likely (a little above Clear Lake, on n slope above Mill Creek, Warner Mts.); Warner Mts., above Clear Lake, n slope above Mill Creek 1981 Comment
  RSA468117  Heuchera cylindrica var. alpina Louis C. Wheeler 1935-8-7 3804 Modoc Pine Creek, Warner Mtns. 1555 Comment
  UC748230  Heuchera cylindrica var. ovalifolia Annie M. Alexander and Louise Kellogg 1946-7-23 5042 Modoc e slope Emerson Peak; Warner Mountains Comment
  UC71820  Heuchera cylindrica var. ovalifolia Mrs. M. H. Manning 1903-7-1 274 Modoc Mill Canyon 1676 Comment
  SEINET201655  Heuchera rubescens var. truncata Arthur Cronquist, Arthur H. Holmgren 1959-6-19 8504 Modoc Atop ridge south of Mill Creek, a little above Clear Lake; Warner Mountains; 15 miles East of Likely 1980 Comment
  CAS-BOT-BC316025  Hieracium scouleri Elmer I. Applegate 1935-6-8 9425 Modoc Bear Paw Cave, Lava Beds National Monument Comment
  CAS-BOT-BC49514  Hieracium scouleri John Thomas Howell 1934-6-11 11955 Modoc Parker Creek, Warner Mountains 1584 Comment
  CHSC109466  Hieracium scouleri L. P. Janeway; B. Castro 2012-7-28 11035 Modoc Warner Mountains. Along the major eastern tributary of Pine Creek where the road to Poison Lake crosses it (the road washed out here). 1938 Comment
  RSA540064  Hieracium scouleri Bruce Bartholomew, B. Anderson 1990-7-20 5474 Modoc 10.3 km north of Buck Creek Ranger Station, crest of Warner Mountains west side of Warner Mountains. 2130 Comment
  UC71692  Hieracium scouleri Mrs. M. H. Manning 1636 Modoc ne Modoc County Comment
  CAS-BOT-BC214705  Holodiscus microphyllus var. glabrescens Bruce Bartholomew; Barrett Anderson 1988-7-22 4488 Modoc Vicinity of East Creak Trailhead, southern end of the Warner Mts. 2210 Comment
  CAS-BOT-BC95209  Holosteum umbellatum subsp. umbellatum Bruce Bartholomew 1994-5-28 6711 Modoc 8.5 km E of Likely on road to Jess Valley along the S Fork of the Pit River. 1620 Comment
  UCR163265  Hordeum brachyantherum Jim Andre 1993-7-2 1428 Modoc Modoc Plateau, about 10 miles NW of Canby on Hwy 139, near NW end of Oak Ridge 1494 Comment
  UC1024995  Hordeum brachyantherum subsp. brachyantherum Leo Whitney 1935-7-7 3395 Modoc 4 mi nw Canby (Howard Gulch); Howard Gulch Comment
  UCD85688  Hordeum jubatum subsp. intermedium Beecher Crampton 1954-7-7 2160 Modoc 2.5 miles east of Alturas. Near Radio Station KCNO. Comment
  UCD85780  Hordeum marinum subsp. gussoneanum A. A. Beetle; G. L. Stebbins Jr. 1942-5-30 3275 Modoc 3.5 miles E of Adin. Comment
  POM520354  Horkelia fusca subsp. parviflora Bruce Bartholomew, B. Anderson 1989-6-3 4901 Modoc 8 km WNW of Long Bell Ranger Station. 1349 Comment
  NY704053  Hornungia procumbens N. H. Holmgren 1998-5-30 12995 Modoc Surprise Valley, Modoc County Road 299, 6.9 km (4.3 mi) east of downtown Cedarville, at a turnoff to some hotsprings 1370 Comment
  CAS-BOT-BC181964  Hosackia crassifolia Bruce Bartholomew; Barrett Anderson 1988-7-21 4601 Modoc Above Upper Rush Creek Campground ca. 4 km E of State Highway 299 between Adin and Canby. 1580 Comment
  CAS-BOT-BC181966  Hosackia crassifolia Alice Eastwood; John Thomas Howell 1940-6-11 8013 Modoc 6 mi NE of Adin on road to Canby. Comment
  CAS-BOT-BC179323  Hydrophyllum capitatum var. alpinum Bruce Bartholomew; Barrett Anderson 1988-5-12 4099 Modoc White Horse. 1340 Comment
  CAS-BOT-BC179334  Hydrophyllum capitatum var. alpinum K. Paulson; Robert Paulson 1989-6-14 127 Modoc Ca. 1.5 mi. NE of Cedar Pass, Warner Mts. 1905 Comment
  CAS-BOT-BC179336  Hydrophyllum capitatum var. alpinum C. L. Hitchcock 1940-5-27 6682 Modoc 15 mi. NE of Alturas. 1615 Comment
  UC880767  Hydrophyllum capitatum var. alpinum C. L. Hitchcock 1940-5-27 6682 Modoc 15 mi ne Alturas 1615 Comment
  CAS-BOT-BC180023  Hydrophyllum capitatum var. alpinum John H. Hatton 1911-6-10 16 Modoc Modoc County. 1767 Comment
  POM260002  Hydrophyllum capitatum var. alpinum C. L. Hitchcock 1940-5-27 6682 Modoc 15 miles northeast of Alturas. 1616 Comment
  RSA101502  Hydrophyllum capitatum var. alpinum R. Weatherby 1955-7-7 1602 Modoc Dismal Swamp, northern Warner Mountains. 2241 Comment
  CAS-BOT-BC179900  Hypericum anagalloides Bruce Bartholomew; Barrett Anderson 1988-7-22 4509 Modoc SE side of Sunflower Knob, southern end of the Warner Mts.. 2160 Comment
  RSA149060  Hypericum androsaemum I. L. Wiggins, Dorothy B. Wiggins 1961-6-14 16477 Modoc Camp ground on Lassen Creek, 1.6 mi. above ford, Warner Mountains Comment
  JEPS66827  Hypericum formosum var. scouleri Leland S. Smith 1924-6-29 1436 Modoc Happy Camp Ranger Station Modoc Forest, Happy Camp Ranger Station 1371 Comment
  CAS-BOT-BC49488  Hypochaeris glabra Bruce Bartholomew 1992-5-15 6287 Modoc Vicinity of Leonard Hot Spring, E side of Surprise Valley. 1370 Comment
  CAS-BOT-BC58402  Idahoa scapigera Bruce Bartholomew; Barrett Anderson 1989-4-30 4709 Modoc 0.8 km S of Centerville Rd. (Co. road 54) on road to Ralston Gulch (Co. road 77). 1400 Comment
  HSC26496  Idahoa scapigera J. P. Smith, J. O. Sawyer 1972-5-6 5268 Modoc Along Hwy. 299, 4 mi. W of Modoc County Rd. 58, E of Alturas 1494 Comment
  CAS-BOT-BC179104  Iliamna bakeri Dean William Taylor 1988-8-11 10044 Modoc Damon's Butte (ca. 2 mi W of Hwy 139) in summit crater of butte. 1466 Comment
  UC1075791  Iliamna bakeri E. K. Balls and P. C. Everett 1952-10-11 20958 Modoc 0.2 mi se of crest of Fandango Pass (Warner Mountains); Warner Mountains 1859 Comment
  UC23328  Ipomopsis aggregata Milo S. Baker 1893-7-12 Modoc Comment
  UC748421  Ipomopsis congesta Annie M. Alexander and Louise Kellogg 1946-8-9 5135 Modoc Patterson Lake Trail Warner Mtns Comment
  SEINET6044951  Ipomopsis congesta Marion Ownbey, Meyer, Fred G. 1940-7-1 2133 Modoc Warner Mountains. Cedar Pass. Comment
  UC1587049  Isatis tinctoria G. Schoolcraft 1991-6-19 2169 Modoc about 2.5 mi n of Adin (along Highway) 1295 Comment
  UC922441  Isoetes bolanderi Annie M. Alexander and Louise Kellogg 1948-9-21 5624 Modoc flat above Mineral Spr.; 1 mi SW top of grade bet. New Pine Creek and Fort Bidwell 2286 Comment
  SEINET6164863  Isoetes howellii L. C. Wheeler 1935-8-3 3757 Modoc Warner Mtns; Rock Lake, Pine Creek 1920 Comment
  NY833802  Ivesia gordonii B. M. Bartholomew 1990-8-4 5643 Modoc Top of pass on Summit Trail, ca. 0.5 km southeast of Patterson Lake, east side of Warner Mountains 2800 Comment
  CAS-BOT-BC245072  Juncus bufonius Bruce Bartholomew 1991-7-4 5907 Modoc Roney Flat. 1460 Comment
  CHSC112980  Juncus bufonius var. bufonius Lowell Ahart; John Dittes 2013-7-24 18928 Modoc Edge of a man made pond, about 50 yards south of the levee road, north side of Ash Creek Floodplain, 0.54 mile (air) southeast of Pilot Butte Parking Area, 1.1 miles (air) south of County Road 87, 6.8 miles (air) west of Adin, Big Valley. 1263 Comment
  RSA577909  Juncus bufonius var. bufonius L. C. Wheeler 1935-8-1 3738 Modoc Dismal Swamp, Twenty Mile Creek, Warner Mountains. 2226 Comment
  CAS-BOT-BC245071  Juncus bufonius var. occidentalis Louis Cutter Wheeler 1935-8-1 3738 Modoc Dismal Swamp. 2225 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
  UCD141571  Juncus longistylis L. S. Smith 1918-6-23 s.n. Modoc Lily Lake. High Grade District. 1981 Comment
  UC1601789  Juncus nevadensis Baker and Nutting 1894-7-12 Modoc Dixie Valley Comment
  RSA648507  Juncus parryi Marion P. Harthill 1972-9-7 1826 Modoc Dismal Swamp Area, Modoc National Forest. 2287 Comment
  SDSU1822  Juniperus californica L. N. Harvey 1930-9-24 Modoc Comment
  CAS-BOT-BC81199  Juniperus occidentalis Florence Angwin 1946-5-4 s.n. Modoc Adin Comment
  CAS-BOT-BC81208  Juniperus occidentalis Elmer I. Applegate 1932-7-6 8206 Modoc Cedarville, Surprise Valley, at east base Warner Mountains Comment
  SD139421  Juniperus occidentalis F. C. Vasek 1962-9-2 day 16 Modoc 4.2 miles east of Likely. 1735 Comment
  JEPS114908  Juniperus occidentalis var. occidentalis Lowell Ahart, John Dittes 2008-8-26 15358 Modoc Southeast side of Rose Creek, 750 feet southwest of confluence of Rose Creek and Pit River, on the northwest side of unnamed road, 2660 feet east of intersection with County Road 85a, 9.3 miles (air) north-northeast of Lookout 1276 Comment
  UCR4290  Juniperus occidentalis var. occidentalis Frank C. Vasek 1965-8-31 650831- 02 Modoc 7 mi SW of Canby Comment
  CAS-BOT-BC95669  Kalmia polifolia Leland S. Smith 1917-9-16 159 Modoc Lassen Creek. 2133 Comment
  RSA101507  Kalmia polifolia subsp. microphylla R. Weatherby 1955-7-7 1598 Modoc Mineral Spring, near Dismal Swamp, Warner Mts. 2332 Comment
  CAS-BOT-BC225086  Kelloggia galioides Annie Montague Alexander; L. Kellogg 1946-7-23 5039 Modoc E slope of Emerson Peak. Comment
  CAS-BOT-BC225089  Kelloggia galioides Louis Cutter Wheeler 1935-8-14 3836 Modoc Pine Creek. 2011 Comment
  CAS-BOT-BC225093  Kelloggia galioides Francis Marion Ownbey; Frederick Gustav Meyer 1940-7-1 2149 Modoc Cedar Peak. Comment
  HSC19852  Kelloggia galioides M. T. Milligan 1965-6-30 388 Modoc Slopes and ridges E of Jess Valley 1738 Comment
  HSC31365  Kelloggia galioides D. H. Norris, T. Nelson, S. Dowty 1971-6-22 19351 Modoc Soup Springs Campground Comment
  UC1037211  Kelloggia galioides Leo Whitney 1934-5-28 1572 Modoc ca 15 mi nw Canby (Spaulding's Butte, Hackamore); Modoc National Forest 1463 Comment
  UC71750  Kelloggia galioides Mrs. M. H. Manning 1903-8-22 301 Modoc ne slope Fandango (ne Modoc County); Warner Mts. 1981 Comment
  UC748482  Kelloggia galioides Annie M. Alexander and Louise Kellogg 1946-7-23 5039 Modoc e slope Emerson Peak; Warner Mountains Comment
  CAS-BOT-BC95540  Kochia americana Bruce Bartholomew; Barrett Anderson 1989-6-2 4832 Modoc 6.4 km E of Eagleville on the road to the California state border, E side of Surprise Valley. 1550 Comment
  CDA3143  Kochia scoparia T. C. Fuller 1962-8-29 9484 Modoc Between road and canal of the South Fork of the Pit River, Pit River Ranch, ca. 5 miles north of Likeley. 0 Comment
  CAS-BOT-BC247643  Koeleria macrantha R. M. Austin 1895-7-1 494 Modoc Goose Lake Valley. Comment
  UCD85666  Koeleria macrantha A. A. Beetle; G. L. Stebbins Jr. 1942-5-30 3377 Modoc Near Canby. Comment
  UCD85700  Koeleria macrantha A. A. Beetle; G. L. Stebbins Jr. 1942-5-30 3379 Modoc Jct. Rt. 39 and road to Modoc Lava Beds Natl. Mon. Comment
  UCD86015  Koeleria macrantha E. Wilson 1934-5-15 s.n. Modoc 20 miles from Alturas. Comment
  UC485313  Kyhosia bolanderi Franklin P. Nutting Modoc Forestdale Comment
  UCD133498  Lactuca tatarica subsp. pulchella T. C. Fuller 1959-7-8 2029 Modoc Davis Creek. Comment
  SEINET11446747 Image available Lagophylla ramosissima R. R. Halse 2010-8-25 8085 Modoc Along State Hwy. 139 ca 25.5 miles northwest of its junction with State Hwy. 299; Modoc National Forest.; 0 1278 Comment
  SEINET11446760 Image available Lagophylla ramosissima M. J. Williams 1983-9-13 83- 151 -2 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-BC49499  Lagophylla ramosissima subsp. ramosissima Bruce Bartholomew 1989-7-14 4942 Modoc Stone Coal Valley, 3.2 km W of State Hwy 299. 1340 Comment
  CHSC110887  Lagophylla ramosissima subsp. ramosissima Lowell Ahart; John Dittes 2012-7-12 18376 Modoc On the east side of Elkins Lane, about 100 yards north of the bridge across Ash Creek, Ash Creek State Wildlife Area, about 4.3 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1262 Comment
  CAS-BOT-BC179873  Lamium amplexicaule Leland S. Smith 1919-5-1 1082 Modoc Jess Valley, Clarke Ranch. 1600 Comment
  CAS-BOT-BC54069  Lappula redowskii Leland S. Smith 1922-10-22 1337 Modoc Below rim E side Tule Lake. 1341 Comment
  CAS-BOT-BC54071  Lappula redowskii Elmer Ivan Applegate 1897-5-31 885 Modoc E side of Tule Lake, near Cornell. Comment
  RSA534600  Lasthenia glaberrima Bruce Bartholomew, B. Anderson 1990-7-19 5408 Modoc Turner Creek at County Road 90, N end of Big Valley. 6.4 km N of Lassen County border 1230 Comment
  POM29225  Lathyrus R. M. Austin 1895-05 411 Modoc Goose Lake Valley. Comment
  CAS-BOT-BC181969  Lathyrus rigidus R. M. Austin; C. C. (Mrs.) Bruce 1898-5-1 2216 Modoc Plains, Goose Lake Valley. Comment
  CAS-BOT-BC181973  Lathyrus rigidus Bruce Bartholomew; Barrett Anderson 1988-5-14 4185 Modoc 4.5 km S of Davis Creek on U.S. Highway 395, SE side of Goose Lake. 1470 Comment
  UCD138123  Lemna minor Verne Grant; Irving Schneider 1947-7-19 8064 Modoc corporation ranch; irrigation ditch south of south loop road, south of Alturas. 85 Comment
  UCR143034  Lemna trisulca L. C. Wheeler 1935-10-2 4015 Modoc 2 mi south of Alturas 1357 Comment
  CAS-BOT-BC245025  Lemna turionifera Verne Grant; I. Schneider 1947-7-19 8064 Modoc Corporation Ranch, S of south loop road. Comment
  HSC26007  Lepidium lasiocarpum D. H. Norris, T. Nelson, S. Dowty 1971-6-23 19399 Modoc Along Hager Basin Rd. near Big Sage Reservoir. Comment
  CAS-BOT-BC58302  Lepidium perfoliatum Bruce Bartholomew; Barrett Anderson 1988-6-25 4382 Modoc SW side of Jess Valley, Warner Mts.. 1540 Comment
  RSA520471  Leptosiphon bolanderi Bruce Bartholomew, B. Anderson 1989-4-27 4625 Modoc Little Hot Spring Valley, 4 km NW of Day. 1070 Comment
  RSA540056  Leptosiphon bolanderi Bruce Bartholomew, M. Bourell 1990-4-26 5155 Modoc 0.5km S of Day. 1100 Comment
  OBI48893  Leptosiphon harknessii Lewis S. Rose 1940-6-14 Modoc 8 mi. nw. of Canby. 1524 Comment
  CAS-BOT-BC242083  Leucocrinum montanum Bruce Bartholomew; Mona Bourell 1990-4-27 5180 Modoc Vicinity of Lower Cummings Reservoir, 5 km NW of Hwy 299 on Crowder Flat Rd. 1540 Comment
  CHSC67314  Leucocrinum montanum James D. Jokerst 1987-5-12 2851 Modoc Radar Survey Site S of Doublehead Mtn., N end of central sector, NE of road. Comment
  RSA26470  Leucophysalis nana Alice Eastwood, John T. Howell 1940-6-13 8191 Modoc West side of Cedar Pass. Comment
  POM203130  Leucopoa kingii J. T. Howell 1934-7-1 12338 Modoc Duncan Horse Camp 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
  CAS-BOT-BC197462  Lewisia nevadensis Elmer Ivan Applegate 1932-8-1 8024 Modoc Summit of Warner Mts. just S of Warren Peak. Comment
  JEPS43176  Lewisia nevadensis Frances D. Payne 1929-7-7 60 Modoc 2 mi sw Warren Peak (Pine Creek Basin); Warner Mts., Pine Creek Basin 2133 Comment
  UC1031363  Lewisia rediviva R. C. Wilson 1933-6-11 46 Modoc Rush Creek Camp Modoc National Forest, Alturas Quadrangle Comment
  UC7812  Lewisia rediviva Milo S. Baker 1893-7-3 Modoc near Lookout; Big Valley 1219 Comment
  UCR70871  Lewisia rediviva var. rediviva C. L. Hitchcock 1940-5-27 6671 Modoc 15 mi NE of Alturas 1616 Comment
  UCD64443  Leymus condensatus A. A. Beetle 1941-6-29 2841 Modoc 15 miles E of Alturas, on road to Cedarville Pass. 1371 Comment
  JEPS117690  Leymus triticoides Lowell Ahart, John Dittes 2010-8-31 17120 Modoc West side of Elkins Lane, about 20 yards south 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
  UC1024935  Leymus triticoides Leo Whitney 1935-7-1 3341 Modoc 17 mi nw Canby; Badger Wells Comment
  UC1037152  Leymus triticoides Leo Whitney 3412 Modoc near Lookout; Pit River Comment
  UC1100165  Lilaea scilloides Verne Grant and Irving Schneider 1947-7-18 8040 Modoc 5 mi n Bayley's Bridge (s of Alturas, Eastside Canal) Comment
  CAS-BOT-BC242075  Lilium pardalinum subsp. shastense Leland S. Smith 1924-6-29 1440 Modoc Happy Camp Ranger Station meadow. Comment
  UC1101430  Limosella acaulis Verne Grant and Irving Schneider 1947-8-27 8323 Modoc se corner Clear Lake (Nigger Bend Spring); se corner of Clear Lake Comment
  CAS-BOT-BC229894  Limosella aquatica Louis Cutter Wheeler 1935-9-1 3934 Modoc Pine Spring, Devil's Garden. 1524 Comment
  CAS-BOT-BC198034  Linanthus harknessii Alice Eastwood; John Thomas Howell 1940-6-14 8222 Modoc 8 mi. NW of Canby. Comment
  CAS-BOT-BC198036  Linanthus harknessii Annie Montague Alexander; L. Kellogg 1946-7-10 4954 Modoc Eight Mile Creek. 1752 Comment
  CAS-BOT-BC198039  Linanthus harknessii Peter Hamilton Raven; Otto Thomas Solbrig 1958-6-18 13334 Modoc 9.7 mi N of Adin on Hwy 299. Comment
  CAS-BOT-BC198047  Linanthus harknessii Bruce Bartholomew; Barrett Anderson 1990-7-20 5517 Modoc Tamarack Flat, E side of Warner Mts. 2150 Comment
  HSC80878  Linanthus pungens G. M. Riegel 1980-8-9 1030 Modoc S Warner Mtns. 1829 Comment
  HSC17066  Linanthus pungens R. C. Wunner 1965-6-20 26 Modoc Lava Beds National Monument near Thunderbolt Cave 1463 Comment
  SJSU9649  Linanthus pungens W. Savage 1979-7-8 1483 Modoc N end Fairchild Swamp Unit, Triangle Devils Garden District, Modoc National Forest 1493 Comment
  CAS-BOT-BC229896  Linaria dalmatica Thomas C. Fuller 1962-8-29 9485 Modoc Near Sugar Hill planting, Lassen Creek. 11 mi. S of New Pine Creek. Comment
  CDA6362  Linaria genistifolia subsp. dalmatica T. C. Fuller 1963-8-27 11171 Modoc Sugar Hill Planting, Lassen Creek, ca. 6 miles southeast of Willow Ranch. 0 Comment
  CHSC116074  Linum lewisii var. lewisii Lowell Ahart; John Dittes 2015-7-16 20369 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
  SBBG30509  Linum lewisii var. lewisii D. Myrick 1968-6-20 1972 Modoc 20 mi W of Canby on Hwy 139 1524 Comment
  SJSU9652  Linum lewisii var. lewisii W. Savage 1979-7-8 1487 Modoc N end Fairchild Swamp Unit, Triangle, Devils Garden District, Modoc National Forest 1493 Comment
  CAS-BOT-BC242225  Listera convallarioides Bruce Bartholomew 1994-7-3 6841 Modoc Field redacted by CAS, contact the data manager for more information 1780 Comment
  UC13523  Listera convallarioides Milo S. Baker 1893-7-16 Modoc Comment
  UC1587055  Lithophragma glabrum G. Schoolcraft 1991-5-15 2137 Modoc w of highway about 6.5 mi n Lookout 1341 Comment
  CAS-BOT-BC317342  Lithophragma glabrum Florence Angwin 1946-4-12 s.n. Modoc Big Valley near Adin 1280 Comment
  CAS-BOT-BC225824  Lithophragma parviflorum Bruce Bartholomew 1992-5-14 6279 Modoc SW side of White Horse Mountains, SW of White Horse Flat Reservoir. 1370 Comment
  UC402494  Lithophragma parviflorum M. F. Gilman 620 Modoc 1524 Comment
  CAS-BOT-BC123100  Lithophragma tenellum R. M. Austin 1894-6-1 s.n. Modoc Lava beds Comment
  HSC75893  Lithophragma tenellum D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-22 19316 Modoc Soup Springs Campground 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
  JEPS855  Lithospermum ruderale N. T. Mirov 1929-5-19 Modoc Buck Creek Ranger Station Warner Mountains 1584 Comment
  RSA59868  Lithospermum ruderale E. K. Balls 1950-5-11 14608 Modoc West of Alkali Lake, between Eagleville and Cedarville. Comment
  CHSC85186  Lomatium bicolor John Dittes; Josephine Guardino 1991-6-1 380 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-BC21439  Lomatium bicolor var. leptocarpum K. Paulson; Robert Paulson 1988-6-11 24 Modoc Parker Creek Road. 1524 Comment
  CAS-BOT-BC21449  Lomatium bicolor var. leptocarpum Isabelo T. Kelly 1930-1-1 9 Modoc Cowhead Lake. Comment
  RSA323622  Lomatium bicolor var. leptocarpum A. Tiehm 1984-6-30 8838 Modoc NW side of Bidwell Mt., 2.2 road miles north of 8 mile creek on the road from Lake Annie. 1844 Comment
  UC1618521  Lomatium canbyi Glenn Clifton 1994-4-8 32593 Modoc 1.3 mi. e.-s.e. Wade Williams Spring (s.w. of a 4 WD rd.) 1463 Comment
  CAS-BOT-BC30169  Lomatium dissectum var. multifidum Alice Eastwood; John Thomas Howell 1940-6-12 8085 Modoc Jess Valley. Comment
  CAS-BOT-BC30171  Lomatium dissectum var. multifidum Isabelo T. Kelly 1930-1-1 47 Modoc Eagleville. Comment
  CAS-BOT-BC30128  Lomatium foeniculaceum subsp. macdougalii James Vale 1980-6-9 s.n. Modoc Ridge from Stowe Road, Cedar Pass, Warner Mtns. Comment
  NY1141605  Lomatium hendersonii B. M. Bartholomew 1991-5-25 5769 Modoc 4.3 km south of Likely-Jess Valley Road on road to West Valley Reservoir 1540 Comment
  RSA584730  Lomatium hendersonii Bruce Bartholomew, Gilbert, L. Skog 1993-5-13 6533 Modoc Just W of Mud Lake on road to West Valley Reservoir., 41 12 9N, 120 26 1W 1460 Comment
  SEINET230255  Lomatium leptocarpum Arnold Tiehm 1984-7-30 8827 Modoc 8.9 road miles NE of Ft. Bidwell on the main road to Adel just past the road summit 1615 Comment
  CAS-BOT-BC30142  Lomatium macrocarpum E. S. Willits 1940-4-27 194 Modoc Davis Creek. Comment
  SEINET229583  Lomatium marginatum Gary Schoolcraft 1981-6-6 378 Modoc Ne of Alturas California 1524 Comment
  POM78180  Lomatium nevadense C. C. Bruce 1895-05 28 Modoc Goose Lake Valley Comment
  UC1616070  Lomatium nevadense var. nevadense S. Saufferer 1973-5-5 132 Modoc ca. 7 1/2 mi. s. Pine Creek (along Hwy. #395) Comment
  HSC21547  Lomatium nevadense var. nevadense M. T. Milligan 1966-5-14 609 Modoc Plateau W of Jess Valley 1829 Comment
  UC71557  Lomatium nevadense var. parishii Mrs. M. H. Manning 1903-4 57 Modoc n.e. Modoc Co. Comment
  CAS-BOT-BC15771  Lomatium nudicaule Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-13 16471 Modoc 2.4 mi. S of Davis Creek. Comment
  JEPS5996  Lomatium vaginatum Frances D. Payne 1932-6-10 627 Modoc s. & e. Alutras (Parker Creek); Warner Mts., Parker Creek 1584 Comment
  POM260283  Lomatium vaginatum C. L. Hitchcock 1940-5-27 6657 Modoc 9 miles northeast of Alturas. 1402 Comment
  POM78253  Lomatium vaginatum Mrs. R. M. Austin 1895-05 27 Modoc Goose Lake Valley Comment
  RSA271941  Lomatium vaginatum Christopher Davidson 1975-6-4 2601 Modoc 0.4 miles E of Hwy 395 on Hwy 299 toward Cedarville. 1380 Comment
  CAS-BOT-BC181943  Lotus purshianus var. purshianus Bruce Bartholomew 1989-7-14 4962 Modoc Survice Gulch ca. 3 km NE of Egg Lake. 1340 Comment
  UC207662  Lotus purshianus var. purshianus Milo S. Baker 1893-1 Modoc w shore of Egg Lake Egg Lake Comment
  RSA582627  Lotus unifoliolatus Louis C. Wheeler 1935-9-23 4005 Modoc Pease Flat, Devils Garden. 1524 Comment
  CAS-BOT-BC181927  Lupinus C. P. Smith 1947-6-13 47462 Modoc Highway 395, Pine Creek (town) 0.8 mi. S. Comment
  CAS-BOT-BC181928  Lupinus C. P. Smith 1947-6-13 47463 Modoc Highway 395, Pine Creek (town) 0.8 mi. S. Comment
  CAS-BOT-BC181914  Lupinus arbustus Elmer Ivan Applegate 1932-8-1 8059 Modoc S slope of Werren Peak, Warner Mts. Comment
  CAS-BOT-BC181916  Lupinus arbustus Alice Eastwood; John Thomas Howell 1940-6-13 8141 Modoc Fandango Pass. Comment
  CAS-BOT-BC181920  Lupinus arbustus Elmer Ivan Applegate 1929-6-24 5890 Modoc Between Adin and Canby, upper Pit River region. Comment
  CAS-BOT-BC181919  Lupinus arbustus Milo Samuel Baker 1893-6-18 Modoc Modoc County. Comment
  RSA0025584  Lupinus arbustus John F. Emmel 1996-7-15 1434 Modoc Warner Mtns; ridge 1.1-1.5 air mi south and 0.3-0.5 air mi west of Emerson Peak. 2409 Comment
  NY732854  Lupinus arbustus subsp. calcaratus M. Bourell 1993-8-14 5227 Modoc Patterson Lake. South Warner Wilderness Area. Warner Mountains. 2743 Comment
  NY732855  Lupinus arbustus subsp. calcaratus K. Paulson 1991-7-27 245 Modoc Sugar Hill area 2118 Comment
  UC1129537  Lupinus arbustus var. arbustus R. C. Wilson 1933-5-30 34 Modoc Rush Creek 1432 Comment
  CAS-BOT-BC182186  Lupinus argenteus E. S. Willits 1940-6-9 333 Modoc Fort Bidwell. Comment
  CAS-BOT-BC182193  Lupinus argenteus John Thomas Howell 1934-6-15 12183 Modoc Alturas. Comment
  CAS-BOT-BC182218  Lupinus argenteus H. P. Bracelin 1931-6-30 500 Modoc S end of Alturas. 1524 Comment
  CAS-BOT-BC182189  Lupinus argenteus James Vale; K. Wagnon; Walter Knight; Irja Knight 1981-5-23 4133 Modoc Bank of Pit River between Canby and Adin, Hwy 299. 1371 Comment
  UCD106685  Lupinus argenteus Craig Ely 1975-7-10 s.n. Modoc 30 miles s.e. of Tulelake. Comment
  CHSC109887  Lupinus argenteus var. argenteus B. Castro; L. P. Janeway 2012-7-25 1960 Modoc Warner Mountains. Slope along N side of Dismal Swamp, along sides of rough gravel road going N out of swamp, just above more mesic sites dominated by Artemisia cana. 2215 Comment
  NY733048  Lupinus argenteus var. argenteus J. T. Howell 1934-7-2 12367 Modoc West side of Clear Lake Comment
  CAS-BOT-BC182095  Lupinus argenteus var. heteranthus Bruce Bartholomew 1990-6-17 5298 Modoc Along Emerson Creek, 3.9 km SW of County Rd 1, E side of Warner Mts. 1700 Comment
  CAS-BOT-BC182101  Lupinus argenteus var. heteranthus Bruce Bartholomew 1990-8-4 5634 Modoc Crest of the Warner Mts., ca. 0.5 km SE of Patterson Lake along Summit Trail. 2770 Comment
  CAS-BOT-BC182102  Lupinus argenteus var. heteranthus Annie Montague Alexander; L. Kellogg 1946-6-30 4869 Modoc Highgrade, W side of ridge N end of Warner Mts. 1484 Comment
  JEPS100599  Lupinus argenteus var. heteranthus Dean W. Taylor 1987-6-27 9082 Modoc roadside of Highway 299 1.6 miles East of Cedarville, Middle Alkali Lake 1402 Comment
  JEPS119658  Lupinus argenteus var. heteranthus Lowell Ahart, John Dittes 2012-7-10 18330 Modoc Ash Creek State Wildlife Area, about 3.9 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. Comment
  NY736936  Lupinus argenteus var. heteranthus C. L. Hitchcock 1940-5-27 6653 Modoc 9 miles northeast of Alturas 1402 Comment
  NY736938  Lupinus argenteus var. heteranthus Mrs. C. C. Bruce 08 1897 2147 Modoc Lakeshore Comment
  CAS-BOT-BC182079  Lupinus argenteus var. heteranthus R. M. Austin 1884-8-1 219 Modoc Hills. Comment
  SDSU4664  Lupinus argenteus var. heteranthus D. F. Howe 1964-7-31 3907 Modoc Modoc National Forest 8.5 miles from entrnace on road from Likely, Warner mts. Comment
  CAS-BOT-BC181895  Lupinus argenteus var. meionanthus Bruce Bartholomew 1992-8-8 6365 Modoc Summit Trail at pass on W ridge of Warren Peak, E side of Warner Mountains. 2870 Comment
  HSC28501  Lupinus caudatus D. H. Norris, T. Nelson, S. Dowty 1971-6-23 19471 Modoc Upper Rush Creek Campground, about 8 mi. N of Adin on Hwy. 299 Comment
  SEINET10490652  Lupinus caudatus subsp. caudatus H. Dearing, M. Dearing 1939-6-8 Dearing 3589 Modoc Flowers silvery, lavender blue. But leaflets 8 to 10. Near goose lake. 1219 Comment
  UC710973  Lupinus latifolius var. viridifolius C. L. Hitchcock 1940-5-27 6664 Modoc 15 mi ne Alturas (along creek); ne of Alturas 1615 Comment
  CAS-BOT-BC181876  Lupinus lepidus var. lobbii Elmer Ivan Applegate 1932-8-1 8050 Modoc Near summit of Warren Peak, Warner Mts. 2895 Comment
  CAS-BOT-BC181879  Lupinus lepidus var. lobbii Bruce Bartholomew 1992-8-8 6364 Modoc Summit Trail at pass on W ridge of Warren Peak, E side of Warner Mountains. 2870 Comment
  UC15967  Lupinus lepidus var. lobbii Milo S. Baker 1893-6 Modoc Comment
  UC15966  Lupinus lepidus var. sellulus M. S. Baker and Frank Nutting 1894-6-29 Modoc Big Valley Comment
  CAS-BOT-BC181851  Lupinus leucophyllus K. Paulson; Robert Paulson 1989-7-2 160 Modoc Cottonwood Flat. 1447 Comment
  CAS-BOT-BC181852  Lupinus leucophyllus Alice Eastwood; John Thomas Howell 1940-6-14 8207 Modoc Canby. Comment
  UCD107959  Lupinus leucophyllus John Robison 1965-6-6 s.n. Modoc 8 miles south of Adin. Ash Creek allottment [sic], Harvey Park. 1676 Comment
  RSA520381  Lupinus microcarpus Bruce Bartholomew, B. Anderson 1989-6-2 4784 Modoc Long Canyon, 12 km NE of Fort Bidwell on the road to the Oregon border. 1550 Comment
  UC726491  Lupinus microcarpus var. densiflorus A. A. Heller 1941-6-25 16197 Modoc on the Cedarville rd a short distance e junction with U.S. Highway 395 Comment
  CAS-BOT-BC181844  Lupinus microcarpus var. microcarpus Harry Dwight Dillon Ripley; Rupert Charles Barneby 1944-5-31 5988 Modoc NW of Alturas. 1371 Comment
  CAS-BOT-BC181846  Lupinus microcarpus var. microcarpus Edward Kent Balls 1950-5-18 14763 Modoc By Lower Rush Creek Public Camp. 1310 Comment
  CAS-BOT-BC181849  Lupinus microcarpus var. microcarpus Elmer Ivan Applegate 1898-5-31 879 Modoc Near Cornell, Tule Lake. Comment
  NY747511  Lupinus polyphyllus var. burkei R. M. Austin 07 2142 Modoc Fields Comment
  NY747605  Lupinus polyphyllus var. saxosus B. M. Bartholomew 1988-5-14 4194 Modoc 1.3 km south of turn off to Crowder Flats West Side Road, west side of Goose Lake. 1410 Comment
  RSA59818  Lupinus ruber E. K. Balls 1950-5-13 14685 Modoc Along west shore road, Goose Lake, 10.3 miles south of Oregon - California border. 1463 Comment
  RSA614441  Lupinus ruber LeRoy E. Detling 1948-5-24 6253 Modoc Pit River 1463 Comment
  CAS-BOT-BC181808  Lupinus saxosus Bruce Bartholomew 1991-5-25 5762 Modoc N side of the Pit River, ca. 10 km W of Hwy. 299 on Stone Coal Road. 1320 Comment
  UC126930  Lupinus saxosus Mrs. R. M. Austin July 1894 Modoc Goose Lake Valley Comment
  CAS-BOT-BC245409  Lycium barbarum H. B. Leech 1966-8-27 Modoc Leonard Hot Springs, ca. 10 mi. NE of Cedarville. Comment
  SJSU9662  Lycium barbarum W. Savage 1979-7-9 1505 Modoc by ranch house, Round Valley, Triangle, Devils Garden District, Modoc National Forest 1493 Comment
  HSC15934  Lythrum hyssopifolia M. T. Milligan 1964-8-21 235 Modoc S end of Dorris Reservoir Dam 1372 Comment
  JEPS121223  Lythrum tribracteatum Lowell Ahart, John Dittes 2013-7-24 18914 Modoc N side of Ash Creek Floodplain, 0.54 air miles SE of Pilot Butte parking area, 1.1 air miles S of County Road 87, 6.8 air miles W of Adin, Big Valley. Comment
  JEPS5984  Madia Frances D. Payne 1931-6-21 227 Modoc ridge w Dry Creek (northern tributary of Parker Creek); Warner Mountains 1981 Comment
  HSC41119  Madia glomerata Thomas W. Nelson, Jane P. Nelson, James Nelson 1976-8-29 3252 Modoc Modoc National Forest: along Hwy. 299 just NW of Adin Pass 1524 Comment
  CAS-BOT-BC49424  Madia gracilis Bruce Bartholomew; Barrett Anderson 1990-7-20 5465 Modoc 4 km N of Buck Creek Ranger Station at turn off to Del Prat Spring, W side of Warner Mts. 1900 Comment
  RSA504612  Madia gracilis subsp. gracilis Bruce Bartholomew, B. Anderson 1988-7-21 4414 Modoc Whitehorse Mountains, 11 km N of Day on the road to Whitehorse Flat Reservoir. 1340 Comment
  RSA486353  Mahonia repens Bruce Bartholomew, B. Anderson 1988-5-13 4175 Modoc 0.6 km N of Jess Valley on West Warner Road, W side of the Warner Mountains. Northern Jeffrey pine forest. 1620 Comment
  HSC65601  Maianthemum racemosum subsp. amplexicaule Thomas Wood 1979-8-9 235 Modoc Dirt road along Bidwell Creek, 2.7 mi. NW of Jct. with Hwy. 2, N of Fort Bidwell. 1509 Comment
  CAS-BOT-BC242164  Maianthemum stellatum Alice Eastwood; John Thomas Howell 1940-6-12 8055 Modoc Between Likely and Jess Valley. Comment
  CAS-BOT-BC242166  Maianthemum stellatum Francis Dorris Payne 1931-6-20 201 Modoc Parker Creek. Comment
  CAS-BOT-BC242169  Maianthemum stellatum Roxana Stinchfield Ferris; R. Duthie 1919-6-13 51 Modoc Parker Creek, 15 mi. from Alturas. Comment
  CAS-BOT-BC242173  Maianthemum stellatum Verne Grant; I. Schneider 1947-7-22 8141 Modoc North Fork of Pit River on Hwy 395, ca. 1 mi. N of junction with Cedarville road. Comment
  CAS-BOT-BC49388  Malacothrix sonchoides Bruce Bartholomew 1991-5-24 5706 Modoc Surprise Valley, E of Eagleville at the Nevada State boundary. 1520 Comment
  CAS-BOT-BC179869  Marrubium vulgare Annie Montague Alexander; L. Kellogg 1946-6-22 4812 Modoc Upper edge of Lake Annie. 1524 Comment
  CHSC117571  Matricaria occidentalis Lowell Ahart; John Dittes 2016-7-14 21156 Modoc South of Ash Creek Canal (now filled in), south of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. 1273 Comment
  RSA339164  Medicago sativa Margaret J. Williams 1984-6-29 84- 70 -3 Modoc North of Alturas on Hwy 395 almost to Oregon border. Comment
  CAS-BOT-BC247627  Melica bulbosa Leland S. Smith 1917-6-21 53 Modoc South Fork Fitzhugh Creek. 1981 Comment
  UC1024673  Melica fugax Leo Whitney 1935-5-18 3082 Modoc ca 15 mi nw Canby (Hackamore); Modoc National Forest, Hackamore 1463 Comment
  JEPS69309  Melica spectabilis Leland S. Smith 1918-1 813 Modoc Comment
  CHSC100385  Melilotus albus Lowell Ahart; John Dittes 2008-8-25 15305 Modoc On the west bank of the Pit River, about 1/8 mile east of County Road 91,about 3.8 miles (air) north-northeast of Lookout. 1273 Comment
  UCD108086  Melilotus indicus Robbins and Raynor 1943-6-1 s.n. Modoc Near Alturas. Comment
  CAS-BOT-BC179864  Mentha arvensis Bruce Bartholomew; Barrett Anderson 1988-7-21 4420 Modoc S end of Whitehorse Flat Reservoir. 1340 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
  JEPS117503  Mentha arvensis Lowell Ahart, John Dittes 2010-8-31 17114 Modoc About 10 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
  UC71758  Mentha canadensis Mrs. M. H. Manning 1903-7 201 Modoc near Fort Bidwell (north-eastern Modoc County); near Fort Bidwell Comment
  UCD125038  Mentha canadensis Verne Grant; Irving Schneider 1947-7-18 8050 Modoc Eastside canal five miles north of Bayley's Bridge, south of Alturas. Comment
  RSA59520  Mentzelia albicaulis E. K. Balls 1950-5-21 14821 Modoc South Fork Public Camp, South Fork Pit River. 1479 Comment
  CAS-BOT-BC179136  Mentzelia dispersa Bruce Bartholomew 1989-7-15 4999 Modoc Sweagert Flat. 1860 Comment
  CAS-BOT-BC179139  Mentzelia dispersa John Thomas Howell 1934-6-30 12264 Modoc Duncan Horse Camp. 1355 Comment
  CAS-BOT-BC179140  Mentzelia dispersa Alice Eastwood; John Thomas Howell 1940-6-12 8056 Modoc Between Likely and Jess Valley. Comment
  CAS-BOT-BC179147  Mentzelia dispersa Bruce Bartholomew 1991-6-20 5786 Modoc Top of Fox Mountain, ca. 10 airline km NW of Adin. 1900 Comment
  CAS-BOT-BC179148  Mentzelia dispersa Bruce Bartholomew; Barrett Anderson 1989-6-3 4888 Modoc Boles Creek, ca. 5.5 km E of the SE corner of Clear Lake Reservoir. 1430 Comment
  CDA13458  Mentzelia dispersa G. F. Hrusa, T. D. Wilfred 1996-7-21 13305 Modoc Modoc Plateau; Modoc Co. Rd. 90 bridge over Pit River. E base of Splawn Mtn. N end of Big Valley. Comment
  UC1191590  Mentzelia dispersa Herbert L. Mason, Verne Grant 1947-7-9 13317 Modoc Summit of Warner Range, Cedar Pass 1920 Comment
  UC1563685  Mentzelia dispersa Barbara Ertter 1988-6-18 7608 Modoc NE Dry Lake (W side hwy 139 just S of where it crosses railroad at jct to Clear Lake,); E of lava Beds Nat'l Monument 1249 Comment
  RSA504604  Mentzelia dispersa Bruce Bartholomew, B. Anderson 1988-6-23 4266 Modoc 1.8 km WSW of Day on County Road 94. 1170 Comment
  CAS-BOT-BC170842  Mentzelia veatchiana Christopher Davidson 1975-6-4 2612 Modoc 1/4 mi W of Cedarville on Hwy 200, steep volcanic slope, N side of rd. S slope. 1463 Comment
  HSC46162  Menyanthes trifoliata J. P. Smith, J. O. Sawyer 1973-8-9 7278 Modoc Blue Lake, Modoc Natl. Forest 1829 Comment
  RSA0012276  Menyanthes trifoliata Joan Stewart 2005-6-6 2481 Modoc Blue Lake, Warner Mountains. Comment
  CAS-BOT-BC54042  Mertensia ciliata Bruce Bartholomew 1991-6-21 5802 Modoc Vicinity of Lily Lake, N end of the Warner Mountains. 2030 Comment
  UC190688  Mertensia longiflora M. F. Gilman 1940-3-22 583 Modoc near Fort Bidwell 1524 Comment
  HSC28522  Mertensia oblongifolia D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-22 19323 Modoc Soup Springs Campground Comment
  RSA182939  Mertensia oblongifolia Clare B. Hardham 1961-6-18 7585 -c Modoc Cedar Pass. 1829 Comment
  CAS-BOT-BC54012  Mertensia oblongifolia var. amoena Betty J. Hammerly 1941-6-20 30 Modoc Clear Lake. 1767 Comment
  RSA531357  Mertensia oblongifolia var. amoena Bruce Bartholomew, Anderson 1989-6-2 4794 Modoc Surprise Valley Road, just S of the Oregon border, extreme NE corner of Modoc County. 1630 Comment
  RSA531352  Mertensia oblongifolia var. nevadensis Bruce Bartholomew, B. Anderson 1988-6-24 4301 Modoc Road beyond Poison Lake, ca. 8 km S of the road from Hwy 395 to Lily Lake, Warner Mountains. 2130 Comment
  CAS-BOT-BC225970  Micranthes oregana Bruce Bartholomew 1995-7-31 7118 Modoc Upper reaches of Sassen Creek, W side of the Warner Mountains. 1900 Comment
  CAS-BOT-BC95555  Micromonolepis pusilla Bruce Bartholomew; Barrett Anderson 1989-6-2 4813 Modoc Sand dunes at the SE corder of Upper Alkali Lake, E side of Surprise Valley. 1400 Comment
  CAS-BOT-BC49399  Microseris nutans Annie Montague Alexander; L. Kellogg 1946-6-14 4750 Modoc Meadow, branch to Silver Creek, Patterson Mill Road. 1828 Comment
  UC748133  Microseris nutans Annie M. Alexander and Louise Kellogg 1946-7-17 5003 Modoc Benton Meadow Warner Mountains 2072 Comment
  POM299284  Microsteris gracilis subsp. gracilis Frances D. Payne 1931-6-25 269 Modoc Pine Creek Basin 2317 Comment
  UC103785  Mimulus angustatus Mrs. R. M. Austin 1900-1-1 Modoc Comment
  UC748145  Mimulus arvensis Annie M. Alexander and Louise Kellogg 1946-6-18 4800 Modoc Patterson Mill-Silver Creek roads 1828 Comment
  RSA550576  Mimulus breweri Bruce Bartholomew, B. Anderson 1990-7-20 5521 Modoc Tamarack Flat, E side of Warner Mts. 655 Comment
  JEPS86967  Mimulus cusickii David M. Thompson 1988-7-23 975 Modoc 3.7 mi s Hwy 299 at Cedarville (along Surprise Valley Road, then 1.5 mi w along Granger Canyon Road); Warner Mts. 1500 Comment
  JEPS124365  Mimulus guttatus Lowell Ahart, John Dittes 2015-7-16 20363 Modoc Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. Comment
  UC1602795  Mimulus guttatus Milo S. Baker 1893-7-2 Modoc Comment
  UCD122658  Mimulus guttatus Verne Grant; Irving Schneider 1947-7-19 8070 Modoc south of south loop road, on Corporation Ranch, north of Likely. Comment
  CAS-BOT-BC234527  Mimulus lewisii Elmer Ivan Applegate 1932-8-7 8232 Modoc Lily Lake. Comment
  UCR131601  Mimulus lewisii L. C. Wheeler 1935-8-8 3807 Modoc Warner Mtns., Consolidated Mine, Pine Creek 2287 Comment
  CDA35646  Mimulus lewisii J. R. Keck Jr. 1985-7-11 PDR# 330135 Modoc Davis Creek, Modoc National Forest. Comment
  UC748139  Mimulus lewisii Annie M. Alexander and Louise Kellogg 1946-6-22 4816 Modoc Bidwell Creek Warner Mountains Comment
  RSA152603  Mimulus nanus var. nanus I. L. Wiggins, Dorothy B. Wiggins 1961-6-12 16413 Modoc Near summit of Cedar Pass, between Alturas and Cedarville. 1936 Comment
  UCR34779  Mimulus primuloides J. A. Harpel 1981-8-6 V- 7 Modoc Warner Mtns, South Warner Wilderness Area: E end of Patterson Lake, 7 mi NW of Eagleville 2744 Comment
  UC26888 Image available Mimulus pygmaeus M. S. Baker and Frank Nutting 1894-6-8 Modoc Egg Lake; ; Egg Lake, Modoc Co. Comment
  CAS-BOT-BC95211  Minuartia douglasii Bruce Bartholomew 1995-6-1 6916 Modoc NW edge of Little Hot Spring Valley NW of Day. 1080 Comment
  CAS-BOT-BC95216  Minuartia nuttallii Annie Montague Alexander; L. Kellogg 1946-7-30 5093 Modoc Eagle Peak, Warner Mts. Comment
  UC465880  Minuartia nuttallii subsp. fragilis M. F. Gilman 602 Modoc 1676 Comment
  JEPS51405  Minuartia nuttallii subsp. gregaria W. L. Jepson 1918-8-13 7967 Modoc Eagle Peak Warner Mts. 3017 Comment
  JEPS120494  Minuartia nuttallii var. gracilis L. P. Janeway, B. Castro 2012-7-26 11008 Modoc Warner Mountains. Top of Yellow Mountain; topmost part and western edge (at the edge of a steep dropoff to the northwest). Comment
  UC7700  Mollugo verticillata W. H. Brewer August, 1862 1338 Modoc Eagle Creek Canyon, Hubbard's Ranch, Camp 94 Eagle Creek Canyon; , Hubbard's Ranch, Camp 94 Comment
  CAS-BOT-BC179370  Monardella odoratissima subsp. glauca Annie Montague Alexander; L. Kellogg 1946-7-23 5060 Modoc E slope of Emerson Peak. Comment
  SJSU6210  Monardella odoratissima subsp. glauca H. L. Buckalew 1961-7-1 Modoc lower flanks of Cedar Mt, Warner Mts 2133 Comment
  UC71706  Monardella odoratissima subsp. glauca Mrs. M. H. Manning 1903-8-27 350 Modoc Leading to summit Mt. Bidwell Comment
  SEINET5333376  Monardella odoratissima subsp. glauca D. Charlet 1989-8-16 537 Modoc Warner Mountains, 1.3 km west/northwest of Eagle Peak 2560 Comment
  CAS-BOT-BC95543  Monolepis nuttalliana Bruce Bartholomew 1991-6-21 5812 Modoc 4 km S of Forest Service road 73 on road to Rim Rock Valley. 1570 Comment
  CHSC67101  Monolepis nuttalliana James D. Jokerst 1987-6-24 2939 Modoc NE of Doublehead Mtn., ca. 2.0 mi WSW of Red Lake. Comment
  UC7432  Monolepis nuttalliana Mrs. R. M. Austin June, 1894 Modoc Willow Creek Valley Comment
  CAS-BOT-BC197517  Montia chamissoi Annie Montague Alexander; L. Kellogg 1946-6-22 4814 Modoc Lake Annie. 1524 Comment
  CAS-BOT-BC197518  Montia chamissoi Bruce Bartholomew 1991-7-7 6006 Modoc Pot Hole Spring. 1890 Comment
  CAS-BOT-BC197524  Montia chamissoi Bruce Bartholomew 1995-6-3 6948 Modoc Just S of the Oregon border at the shore of Goose lake. 1400 Comment
  HSC68841  Montia chamissoi Gary Schoolcraft 1980-7-22 328 Modoc Lake City Canyon W of Lake City 2195 Comment
  JEPS17207  Montia chamissoi Frances D. Payne 1929-7-7 56 Modoc 2 mi sw of Mount Warren (Pine Creek Basin, southeastern Modoc County); Pine Creek Basin 2133 Comment
  UC71835  Montia chamissoi Mrs. M. H. Manning 1903-5-1 115 Modoc near Fort Bidwell (in north-eastern Modoc Count) Comment
  CAS-BOT-BC197510  Montia fontana Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16396 Modoc Thoms Creek, 6.1 mi. E of Calif. State Highway 299 along Cedar Pass Rd. Comment
  UC71836  Montia fontana Mrs. M. H. Manning May, 1903 116 Modoc Spring near Fort Bidwell (in north-eastern Modoc County) Comment
  SEINET3025752  Montia linearis Annie M. Alexander, Louise Kellogg 1946-6-14 4755 Modoc Patterson Mill-- Silver Creek roads 1830 Comment
  CAS-BOT-BC197503  Montia linearis Mrs. H. C. Cantelow 1940-6-2 4199 Modoc NW of Canby. Road to Lava Beds. Comment
  SBBG117349  Muhlenbergia asperifolia B. Crampton 1954-7-8 2187 Modoc ca. 1.5 mi W of Alturas, extension of 4th St Comment
  SEINET7297159 Image available Muhlenbergia asperifolia Leo Whitney 1935-1 3540 Modoc Lake Joaquin, Hackamore, ca. 15 miles northwest of Canby, Modoc National Forest. 1463 Comment
  UC1025026  Muhlenbergia asperifolia Leo Whitney 1935-7-19 3540 Modoc ca 15 mi nw Canby; Modoc National Forest, Lake Joaquina, Hackamore 1463 Comment
  UCD32735  Muhlenbergia asperifolia Beecher Crampton 1954-7-8 2187 Modoc Modoc County, 1.5 miles west of Alturas, extension of 4th Street. Comment
  POM313207  Muhlenbergia asperifolia H. L. Mason 1947-8-15 13542 Modoc Mouth of Crane Creek on Willow Ranch, east side of Goose Lake. Comment
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Aug 21 2013
  SACT001578  Muhlenbergia asperifolia Herbert Mason 1947-8-15 Modoc Mouth of creek on Willow Ranch, east of Goose Lake. Comment
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Aug 21 2013
  SEINET10960336  Muhlenbergia asperifolia Louis C. Wheeler 1935-9-4 Wheeler 3948 Modoc Dry sunny rock crevices in old beach. McGinty Point, Goose Lake. 1463 Comment
  CAS-BOT-BC247567  Muhlenbergia filiformis Clare Butterworth Hardham 1974-8-6 20177 Modoc Cedar Pass. 1935 Comment
  UC1025045  Muhlenbergia filiformis Leo Whitney 1935-8-19 3624 Modoc ca 15 mi nw Canby; Modoc National Forest, Lake Joaquina, Hackamore 1463 Comment
  UCD86622  Muhlenbergia filiformis August L. Hormay 1932-7-15 s.n. Modoc Modoc National Forest, Crowder Ranger Station. Comment
  UC1731496  Myosurus apetalus Dean Wm. Taylor with Glenn L. Clifton 1992-5-7 12530 Modoc just above western rim of Black Canyon (0.5 mi downstream of Duncan Reservoir, in creek draining the reservoir, Modoc Plateau); Modoc Plateau 1524 Comment
  CAS-BOT-BC217295  Myosurus minimus Bruce Bartholomew; Barrett Anderson 1988-5-14 4200 Modoc Pease Cabin, 0.8 km E of Fletcher Creek on USFS road 47N09 between Goose Lake and Crowder Flats. 1550 Comment
  CDA37313  Myriophyllum sibiricum B. Villegas 2008-7-24 s.n. Modoc Alturas; Modoc National Wildlife Refuge; Dry Pond. 0 Comment
  CHSC114295  Myriophyllum sibiricum B. Villegas 2008-7-24 Modoc Alturas; Modoc National Wildlife Refuge; Dorris Canal. Comment
  RSA252500  Myriophyllum verticillatum Robert F. Thorne, C. W. Tilforth 1969-9-5 39147 Modoc North of South Fork of Pit River above jct. with West Creek at Public Campground, ca. 6 mi. E of Likely. 1402 Comment
  CHSC112790  Najas flexilis Lowell Ahart; John Dittes, Todd Sloat 2013-6-8 18764 Modoc Drainage, 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
  JEPS120885  Najas flexilis Lowell Ahart, John Dittes, Todd Sloat 2013-6-8 18764 Modoc About 300 yards NE of Parking Area, NE of the old barn, Ash Creek Wildlife Area, about 3.9 air miles W of Adin, about 7.7 air miles NE of Bieber. Big Valley. Comment
  CAS-BOT-BC198009  Navarretia breweri Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10564 Modoc E Creek about 1 mile E of Patterson Ranger Station, Warner Mts. Comment
  CAS-BOT-BC198023  Navarretia breweri E. S. Willits 1940-6-9 332 Modoc Beside Twelve Mile Creek. Comment
  UC190591  Navarretia breweri M. F. Gilman 516 Modoc 1981 Comment
  RSA150284A  Navarretia capillaris A. J. Cronquist, Arthur H. Holmgren 1959-6-20 8522 Modoc Warner Mountains: at Cedarville Pass, between Cedarville and Alturas. 1921 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
  CAS-BOT-BC198004  Navarretia divaricata subsp. vividior John Thomas Howell 1934-7-1 12323 Modoc Duncan Horse Camp. 1355 Comment
  CAS-BOT-BC198006  Navarretia divaricata subsp. vividior Bruce Bartholomew 1991-7-4 5894 Modoc S end of Higgins Flat. 1370 Comment
  SEINET4673744  Navarretia divaricata subsp. vividior Leigh A. Johnson, Haley M. Smith 2011-6-25 11 -064 Modoc Vicinity of mile marker 9.37 off of Hwy 299, near Roney Flat and Johnson Creek roads. 1428 Comment
  CAS-BOT-BC197999  Navarretia divaricata subsp. vividior Mrs. Annie F. Rodda 1932-7-1 s.n. Modoc Between Macarthur and Alturas. Comment
  CAS-BOT-BC197996  Navarretia heterandra Alice Eastwood; John Thomas Howell 1940-6-15 8294 Modoc 9 mi. N of Lookout. 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
  CAS-BOT-BC197975  Navarretia intertexta subsp. propinqua Roxana Stinchfield Ferris; L. Lorraine 1941-8-14 10604 Modoc 8.5 mi. from Patterson Ranger Station on Eagleville road, Warner Mts. Comment
  CAS-BOT-BC197983  Navarretia intertexta subsp. propinqua Frank Warrington Peirson 1926-6-25 6868 Modoc Cedarville Pass, Warner Mts. Comment
  CDA13460  Navarretia intertexta subsp. propinqua G. F. Hrusa, T. D. Wilfred 1996-7-21 13307 Modoc Modoc Plateau; Adjacent to Modoc Co. Rd. 90 bridge over Pit River. E base of Splawn Mtn. N end of Big Valley. Comment
  RSA164307  Navarretia intertexta subsp. propinqua Clare B. Hardham 1961-6-19 7840 Modoc Willow Creek. Warner Mountains. Comment
  SEINET14058064  Navarretia intertexta subsp. propinqua M. J. Williams 1984-7-1 84- 85 -3 Modoc NW of Alturas, 2.1 mi N of Hwy 299 on the Crowder Flat road. 1372 Comment
  CHSC14171  Navarretia leptalea K. R. Stern; D. B. Joley, J. G. Geschke 1974-6-22 5823 Modoc W side of Egg Lake. 1295 Comment
  CAS-BOT-BC7186  Nemophila austiniae R. M. Austin 1885-6-1 s.n. Modoc Davis Creek Comment
  CAS-BOT-BC179309  Nemophila breviflora Bruce Bartholomew 1992-5-15 6311 Modoc Upper end of Pleasants Canyon, W side of Warner Mountains. 1930 Comment
  UC449919  Nemophila breviflora Mrs. M. H. Manning 1907-1 Modoc 12 Mile Creek 12 Mile Creek (ne Modoc Co.) Comment
  CAS-BOT-BC179296  Nemophila parviflora var. austiniae John Thomas Howell 1934-6-12 12026 Modoc Plum Valley. Comment
  CAS-BOT-BC179299  Nemophila parviflora var. austiniae Bruce Bartholomew 1991-5-23 5689 Modoc 0.5 km E of Day on County Rd. 94. 1050 Comment
  CAS-BOT-BC179304  Nemophila parviflora var. austiniae Lincoln Constance 1938-6-12 2333 Modoc Edge of Thoms Creek at foot of Bonner Grade, Cedar Pass Rd., 13.4 mi. NE of Alturas. 1524 Comment
  CAS-BOT-BC179306  Nemophila parviflora var. austiniae C. L. Hitchcock 1940-5-27 6662 Modoc 12 mi. NE of Alturas. 1615 Comment
  UC748435  Nemophila parviflora var. austiniae Annie M. Alexander and Louise Kellogg 1946-6-14 4745 Modoc Barber Creek Barber Creek (Patterson Mill Road) 1798 Comment
  RSA534606  Nemophila parviflora var. austiniae Bruce Bartholomew 1991-5-23 5689 Modoc 0.5 km east of Day on County Road 94. 1050 Comment
  CAS-BOT-BC179283  Nemophila pedunculata Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16428 Modoc Summit of Cedar Pass. 1935 Comment
  JEPS4033  Nemophila pedunculata Frances D. Payne 1931-6-22 241 B Modoc s and e Alturas (Warner Mountains, Parker Creek, Dry Creek, tributary of); Warner Mountains, Parker Creek, s and e of Alturas 1828 Comment
  UC748434  Nemophila pedunculata Annie M. Alexander and Louise Kellogg 1946-6-14 4754 Modoc Silver Creek Branch of Patterson Mill road 1828 Comment
  UC71669  Neoholmgrenia andina Mrs. M. H. Manning 1904-7-16 384 Modoc se slope Mt. Bidwell 1950 Comment
  SEINET10742872  Nicotiana acuminata var. multiflora Andrew Townesmith, Karen M. Meyer 2007-9-15 Townesmith 934 Modoc Modoc National Forest, Warner Mountain Ranger District. Cedar Creek Upper Trailhead, 0.6 miles off state route 299 on Forest Service road 195. T43N R15E S33. 1948 Comment
  JEPS121204  Nicotiana attenuata Lowell Ahart, John Dittes 2013-7-25 18970 Modoc Elkins Lane, Ash Creek Wildlife Area, 320 feet N of Lassen County line, about 4.4 air miles W of Adin, about 7.2 air miles NE of Bieber, Big Valley. Comment
  CAS-BOT-BC245370  Nicotiana attenuata Francis Dorris Payne 1932-6-19 554 Modoc Jess Valley Rd. Comment
  JEPS79208  Nothocalais troximoides L. R. Heckard with Rimo Bacigalupi 1980-6-11 5239 Modoc junction of Parker Creek and Sheilds Creek (about 10 air mi se of Alturas); Parker Creek 1737 Comment
  CAS-BOT-BC191142  Nuphar lutea subsp. polysepala Louis Cutter Wheeler 1935-8-14 3846 Modoc Lily Lake, Warner Mts. 2072 Comment
  RSA59364  Olsynium douglasii E. K. Balls 1950-5-11 14629 Modoc 8.1 miles NE of Fort Bidwell. Above Cow Head Lake. Along 8 Mile Creek. 1463 Comment
  UC1178895  Olsynium douglasii var. douglasii Herbert L. Mason 1949-4-16 13993 Modoc mesa e Alturas Comment
  RSA128680  Onopordum acanthium T. C. Fuller 1959-7-8 2795 Modoc S/4th St., E/East St., Alturas Comment
  UCD134664  Onopordum acanthium T. C. Fuller 1959-7-8 2795 Modoc south side of 4th Street, east of East Street, Alturas. Comment
  JEPS86073  Orobanche corymbosa subsp. corymbosa Wayne Roderick 1966-7-23 s.n. Modoc Warner Mountains, ca 2 miles N of Cedar Pass. Comment
  RSA0087205  Orobanche corymbosa subsp. corymbosa Bruce Bartholomew 1991-6-22 5850 Modoc E side of Surprise Valley, 8.3 km E of Eagleville. 1430 Comment
  CAS-BOT-BC190785  Orobanche uniflora Bruce Bartholomew; L. E. Skog; M. Gilbert 1993-5-11 6505 Modoc Fletcher Creek near crossing by Crowder Flat Road. 1600 Comment
  JEPS5998  Orobanche uniflora subsp. occidentalis Frances D. Payne 1932-6-10 422 Modoc Parker Creek, Warner Mountains, south and east of Alturas. Comment
  JEPS58800  Orthilia secunda L. S. Smith 1917-9-18 161 Modoc Lassen Creek, Warner Mts. 1981 Comment
  CAS-BOT-BC248325  Orthocarpus cuspidatus B. Bartholomew; H. Sun 2002-6-24 8822 Modoc S end of Sweagert flat ca. 15.3 straight line km WNW of Aden 1820 Comment
  CAS-BOT-BC232316  Orthocarpus cuspidatus subsp. copelandii Annie Montague Alexander; L. Kellogg 1946-7-2 5036 Modoc Patterson Mill Road. 2209 Comment
  CAS-BOT-BC232319  Orthocarpus cuspidatus subsp. copelandii Annie Montague Alexander; L. Kellogg 1946-7-7 4923 Modoc Eight Mile Creek. 1752 Comment
  CAS-BOT-BC232320  Orthocarpus cuspidatus subsp. copelandii Bruce Bartholomew; Barrett Anderson 1988-7-23 4558 Modoc Road beyond Poison Lake ca. 8 km S of the road from U.S. Highway 395 to Lily Lake, Warner Mts.. 2140 Comment
  CHSC109450  Orthocarpus cuspidatus subsp. cryptanthus B. Castro; L. P. Janeway 2012-7-24 1954 Modoc Warner Mountains. Northwestern flank of Mount Bidwell; ca 0.6 air mi S of Dismal Swamp, off upper edge of open lodgepole pine forest. 2377 Comment
  HSC80792  Osmorhiza berteroi G. M. Riegel 1979-9-1 741 Modoc S Warner Mtns. 1670 Comment
  JEPS15913  Osmorhiza berteroi L. S. Smith 1918-7-22 1003 Modoc Blue Lake near Ranch; S. Warner Mts., Modoc Forest, Blue Lake 1828 Comment
  CAS-BOT-BC15732  Osmorhiza chilensis Bruce Bartholomew; Barrett Anderson 1990-7-19 5420 Modoc Top of Hunters Ridge S of Rush Creek. 1960 Comment
  CAS-BOT-BC15742  Osmorhiza chilensis Roxana Stinchfield Ferris; R. Duthie 1919-6-14 81 Modoc 1.5 mi. from Modoc National Forest boundary. Comment
  NY1101667  Osmorhiza chilensis B. M. Bartholomew 1988-6-24 4338 Modoc Cave Lake, west side of the Warner Mountains 2130 Comment
  OBI81415  Osmorhiza obtusa L. Constance 1946-7-4 3104 Modoc Shaded creek-side, Deep Creek 3.4 miles below summit, Warner Mountains 1829 Comment
  RSA97461  Osmorhiza occidentalis F. W. Peirson 1926-6-25 6886 Modoc Small side canyon 1 mile east of summit of Warner Mountains, on Cedarville Road Comment
  JEPS57972  Oxyria digyna Frances D. Payne 1931-6-29 304 B Modoc e slope Mt. Warren; Warner Mountains, e slope of Mt. Warren 2286 Comment
  UCR34759  Oxyria digyna J. A. Harpel 1981-8-6 V- 43 Modoc Warner Mtns, South Warner Wilderness Area: E end of Patterson Lake, 7 mi NW of Eagleville 2744 Comment
  CAS-BOT-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
  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
  CAS-BOT-BC50311  Packera eurycephala var. eurycephala Bruce Bartholomew 1991-7-5 5940 Modoc Dry wash draining into North Willow Creek, between Crowder Flat and the Oregon border. 1620 Comment
  CAS-BOT-BC50316  Packera eurycephala var. eurycephala Francis Dorris Payne 1932-6-22 581 Modoc Parker Creek. 1584 Comment
  CAS-BOT-BC50325  Packera eurycephala var. eurycephala Gordon H. True 1964-6-3 1459 Modoc North fork Pit River between Alturas and Goose Lake. 1463 Comment
  CAS-BOT-BC190773  Paeonia brownii K. Paulson; Robert Paulson 1988-6-11 36 Modoc W bank of Stough Reservoir, Warner Mts.. 1524 Comment
  HSC81026  Paeonia brownii G. M. Riegel 1980-8-9 1027 Modoc S Warner Mtns. 2100 Comment
  RSA59800  Paeonia brownii E. K. Balls 1950-5-17 14736 Modoc Howard's Gulch Public Camp, off Hwy. 139. N.W. of Canby. 1433 Comment
  POM99644  Paeonia brownii R. M. Austin, C. C. Bruce 1898-06 2227 Modoc Lake City Mt. Comment
  UC1137151  Panicum acuminatum var. acuminatum August L. Hormay 1932-7-10 Modoc Meadow Trail Rush Creek (Junction Hills, Rush Creek) Comment
  POM229219  Panicum capillare L. C. Wheeler 1935-9-13 3984 Modoc Devil's Garden; Fletcher Creek at Pease Place 1524 Comment
  POM126423  Paxistima myrsinites Franklin P. Nutting s.n. Modoc Near Forestdale. Comment
  UC1586903  Pectiantia pentandra Juha Pykala and D. H. Norris 1987-5-28 1262 Modoc 3-4 mi w Lake City (by a little stream that runs to Mill Creek); Modoc National Forest, Warner Mountains, Lake City Canyon 1800 Comment
  CAS-BOT-BC232314  Pedicularis attollens Robert Patterson; Mona Bourell 1993-8-14 5216 Modoc Patterson Lake. South Warner Wilderness Area. Warner Mountains. 2743 Comment
  JEPS28992  Pedicularis attollens Frances D. Payne 1931-6-12 153 Modoc Parker Creek; Warner Mountains 1584 Comment
  HSC20915  Pedicularis attollens M. T. Milligan 1966-6-19 474 Modoc N end of Jess Valley 1616 Comment
  UC27300  Pedicularis attollens Milo S. Baker 1893-7-30 Modoc Comment
  JEPS28985  Pedicularis groenlandica Frances D. Payne 1929-7-7 66 Modoc Pine Creek Basin; Warner Mountains 2316 Comment
  HSC80738  Pedicularis semibarbata G. M. Riegel 1980-7-12 863 Modoc S Warner Mtns. 1670 Comment
  CAS-BOT-BC30196  Pellaea breweri Bruce Bartholomew 1992-8-9 6392 Modoc Upper region of Owl Creek drainage, below cliffs, E of Summit Trail, E side of Warner Mtns 2470 Comment
  HSC80876  Pellaea breweri G. M. Riegel 1980-7-31 928 Modoc S Warner Mtns. 1829 Comment
  UC27427  Penstemon cinicola M. S. Baker and Frank Nutting 1894-1 Modoc Egg Lake Comment
  UC1539988  Penstemon deustus M. Mitchell 1936-5-21 49 Modoc 2 mi se Hospital Rock (Lava Beds National Monument); , se of Hospital Rock 1249 Comment
  CAS-BOT-BC232327  Penstemon deustus var. pedicellatus Leland S. Smith 1917-7-24 114 Modoc Bald Mt. 2438 Comment
  CAS-BOT-BC232328  Penstemon deustus var. pedicellatus Francis Dorris Payne 1932-6-10 532 Modoc Parker Creek. 1584 Comment
  CAS-BOT-BC232369  Penstemon deustus var. pedicellatus Bruce Bartholomew 1990-6-15 5223 Modoc SW side of Deer Spring Ridge near the border with Lasson Co. 1720 Comment
  CAS-BOT-BC232373  Penstemon deustus var. pedicellatus Roxana Stinchfield Ferris; R. Duthie 1919-6-13 100 Modoc Above Parker Creek, Warner Mountains Comment
  JEPS28989  Penstemon deustus var. pedicellatus Frances D. Payne 1929-7-26 112 Modoc Pine Creek Basin Warner Mts., Pine Creek Basin 2133 Comment
  NY600738  Penstemon gracilentus M. Bourell 1993-8-14 5223 Modoc Patterson Lake. South Warner Wilderness Area. Warner Mountains. 2743.2 Comment
  UC566680  Penstemon gracilentus F. H. Frost 1925-7-25 156 Modoc Eagle Peak Warner Mountains, Eagle Peak Comment
  UCR34689  Penstemon gracilentus J. A. Harpel 1981-8-6 V- 44 Modoc Warner Mtns, South Warner Wilderness Area: E end of Patterson Lake, 7 mi NW of Eagleville 2744 Comment
  CHSC12956  Penstemon heterodoxus var. shastensis K. R. Stern; D. B. Joley, J. G. Geschke 1974-6-22 5820 Modoc W side of Egg Lake. 1295 Comment
  JEPS109977  Penstemon heterodoxus var. shastensis Dean W. Taylor 2007-5-16 20115 Modoc Egg Lake, near western portion of the lake at Duck Hole (site is ca. 11 air miles NNW of Lookout) 1310 Comment
  CAS-BOT-BC245525  Penstemon humilis var. humilis C. C. (Mrs.) Bruce 1899-8-1 2362 Modoc Mt. Bidwell. Comment
  NY604570  Penstemon laetus var. sagittatus E. K. Balls 1952-10-11 18167 Modoc 6.7 miles west of turn off Highway 139 on road to Pumice Pits at edge of Glass Flow (east edge) 1280.2 Comment
  SJSU7659  Penstemon laetus var. sagittatus R. L. Fisher 1958-6-13 Modoc near Adin Pass c. 6 mi S of Canby 1524 Comment
  HSC30117  Penstemon procerus D. H. Norris, T. Nelson, S. Dowty 1971-6-23 19430 Modoc Near Hager Reservoir Comment
  CAS-BOT-BC232521  Penstemon roezlii Lincoln Constance 1938-6-12 2335 Modoc Open flat near foot of Banner Grade, Cedar Pass road 12.8 mi. NE of Alutras. 1463 Comment
  CAS-BOT-BC232522  Penstemon roezlii Annie Montague Alexander; L. Kellogg 1946-6-12 4740 Modoc Fandango Pass road. 1706 Comment
  CAS-BOT-BC245572  Penstemon roezlii C. L. Hitchcock 1940-5-27 6651 Modoc 9 mi. NE of Alturas. 1402 Comment
  JEPS126555  Penstemon roezlii Lowell Ahart, John Dittes 2016-6-6 20944 Modoc About 50 yards southwest of the intersection of County Road 87 and Access Road to Pilot Butte Parking Area, northeast base of Pilot Butte, 3.8 miles (air) east of Lookout, 7.5 miles (air) west of Adin, Ash Creek State Wildlife Area. Comment
  NY650125  Penstemon roezlii R. M. Austin 06 1894 6438 Modoc Willow Creek Valley Comment
  SEINET188331  Penstemon roezlii C. L. Hitchcock 1940-5-28 6719 Modoc 15 mi N of Alturas (near Surprise) 1402 Comment
  SEINET188383  Penstemon roezlii C. L. Hitchcock 1940-5-27 6651 Modoc 9 mi NE of Alturas 1402 Comment
  CAS-BOT-BC245571  Penstemon roezlii Milo Samuel Baker 1893-7-18 s.n. Modoc unspecified Comment
  NY650097  Penstemon roezlii M. J. Williams 1988-5-30 8826- 7 Modoc Jess Valley, east of Likely, south of southeast rest 1524.0 Comment
  POM319335  Penstemon roezlii Patricia Wilder 1971-6-20 5097 Modoc Lookout-White Horse Rd., about 3 mi. west of Lookout; north of Bieber and California State Hiway 299. Pit River Drainage, Cascades Mt. Range. 1372 Comment
  SEINET183710  Penstemon roezlii L. Constance 1938-6-12 2335 Modoc Near foot of Banner Grade Cedar Pass rd 12.8 mi NE of Alturas W foothills of Warner Range 1463 Comment
  SEINET3357563 Image available Penstemon roezlii Margaret J. Williams 1984-6-28 84- 68 -1 Modoc Warner Mountains. Stowe Reservoir area, W of Soldier Creek Road. Comment
  UC690359  Penstemon roezlii Elmer I. Applegate 1929-6-24 5886 Modoc along Pitt River above Adin; along Pitt River above Adin Comment
  UC565590  Penstemon rydbergii var. oreocharis F. H. Frost 1925-7-24 135 Modoc Jess Valley Warner Mountains, Jess Valley (s Modoc County) Comment
  SBBG27139  Penstemon rydbergii var. oreocharis C. L. Hitchcock 1940-5-28 6726 Modoc 15 mi N of Alturas 1402 Comment
  CAS-BOT-BC245556  Penstemon speciosus Alice Eastwood; John Thomas Howell 1940-6-12 8094 Modoc Jess Valley. Comment
  CAS-BOT-BC214735  Peraphyllum ramosissimum Edward Kent Balls 1950-5-20 14811 Modoc Above South Fork Public Camp, on slope S of River, Likely to Jess Valley. 1432 Comment
  RSA31944  Peraphyllum ramosissimum A. A. Heller 1938-6-24 15228 Modoc elevated flat in clay soil about midway between Canby and Alturas. Comment
  RSA59528  Peraphyllum ramosissimum E. K. Balls 1950-5-20 14811 Modoc Above South Fork Public Camp, on slope south of river, Likely to Jess Valley. 1433 Comment
  UC1179104  Peraphyllum ramosissimum Herbert L. Mason 13359 Modoc s of Alturas (on Highway 395) Comment
  HSC21603  Perideridia gairdneri subsp. gairdneri M. T. Milligan 1966-8-3 625 Modoc W slope of Eagle Peak 2439 Comment
  CHSC39010  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
  UCD116239  Peritoma platycarpa Helen K. Sharsmith 1955-6-23 4503 Modoc West Valley Reservoir. Just outside W boundary Modoc National Forest, Warner Mountains. 1524 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
  CAS-BOT-BC218156  Persicaria maculosa Bruce Bartholomew 1992-8-7 6355 Modoc Along the Pit River just SW of Canby Bridge. 1300 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
  CHSC107329  Phacelia egena Lowell Ahart; John Dittes 2011-6-21 17521 Modoc About 230 yards west of the fence, uplands south 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
  HSC81069  Phacelia hastata G. M. Riegel 1980-8-28 1070 Modoc S Warner Mtns. 1739 Comment
  SJSU11217  Phacelia hastata J. W. Tilden 1958-6-25 1266 Modoc near Monument Hdqtrs, Lava Beds National Monument Comment
  CAS-BOT-BC179275  Phacelia hastata subsp. compacta Robert Patterson; Mona Bourell 1993-8-14 5225 Modoc Patterson Lake. South Warner Wilderness Area. Warner Mountains. 2743 Comment
  CAS-BOT-BC95632  Phacelia hastata subsp. hastata Alice Eastwood; John Thomas Howell 1940-6-13 8119 Modoc Surprise Valley. Comment
  CAS-BOT-BC180004  Phacelia heterophylla subsp. virgata Clare Butterworth Hardham 1971-6-19 7851 Modoc Davis Creek. Comment
  CAS-BOT-BC180006  Phacelia heterophylla subsp. virgata Annie Montague Alexander; L. Kellogg 1946-6-28 4862 Modoc Pine Creek Canyon. 1615 Comment
  CAS-BOT-BC180009  Phacelia heterophylla subsp. virgata Frederick H. Frost 1925-7-24 107 Modoc Jess Valley. Comment
  JEPS4039  Phacelia humilis Frances D. Payne 1931-6-21 229 Modoc ridge w Dry Creek (creek is tributary of Parker Creek, s and e of Alturas); Warner Mountains Comment
  UC133064  Phacelia humilis Mrs. R. M. Austin June 1884 Modoc mts. e Goose Lake Val. Comment
  POM264911  Phacelia humilis var. humilis J. T. Howell 1934-6-13 12062 Modoc Fandango Pass, Warner Mountains. 1829 Comment
  CAS-BOT-BC179949  Phacelia linearis Bruce Bartholomew; Barrett Anderson 1989-6-3 4881 Modoc Boles Creek, ca. 5.5 km E of the SE corner of Clear Lake Reservoir. 1430 Comment
  CAS-BOT-BC179952  Phacelia linearis Fred D. Douthitt 20 Modoc Juniper Flats near Flournoy Swale. 1524 Comment
  SD131873  Phacelia linearis Barbara Ertter 1988-6-18 7621 Modoc Highway 139, ca. 50 airmiles southwest of Klamath Falls, a few miles north of Agricd. Inspection Station, 1.0 mile south of S. jct. to Lava Beds National Monument east of Tonesta. 1310 Comment
  CAS-BOT-BC179951  Phacelia linearis C. C. (Mrs.) Bruce 1899-7-1 2193 Modoc Hills. Comment
  HSC81073  Phacelia linearis G. M. Riegel 1980-9-4 1151 Modoc South Warner Mountains 1739 Comment
  POM260899  Phacelia linearis Alice Eastwood, J. T. Howell 1940-6-14 8251 Modoc Between Mammoth Cave and Lava Beds National Monument. Comment
  RSA428041  Phacelia linearis George Willet 1935-6-12 s.n. Modoc Warren Mountains 2287 Comment
  UC24394  Phacelia linearis Milo S. Baker 1893-7-5 Modoc Lava beds Comment
  UC748443  Phacelia linearis Annie M. Alexander and Louise Kellogg 1946-6-18 4796 Modoc meadow Patterson Mill-Silver Creek roads 1828 Comment
  CAS-BOT-BC179944  Phacelia mutabilis Annie Montague Alexander; L. Kellogg 1946-6-12 4735 Modoc Fandango Pass road. 1676 Comment
  CAS-BOT-BC179946  Phacelia mutabilis Louis Cutter Wheeler 1935-8-10 3824 Modoc Lily Lake. 2133 Comment
  HSC65661  Phacelia mutabilis J. P. Smith, J. O. Sawyer 1973-8-8 7242 Modoc S slopes of Eagle Peak 2561 Comment
  CAS-BOT-BC179937  Phacelia ramosissima var. eremophila Annie Montague Alexander; L. Kellogg 1946-6-7 4943 Modoc Eight Mile Creek. 1752 Comment
  RSA165580  Phacelia ramosissima var. eremophila Clare B. Hardham 1961-6-20 7903 Modoc Top of Bidwell Road, Road to Dismal Creek. 2439 Comment
  POM301682  Phacelia ramosissima var. ramosissima Marion Ownbey, Fred G. Meyer 1940-7-1 2156 Modoc Cedar Peak, Warner Mountains. Comment
  HSC81053  Phacelia sericea G. M. Riegel 1980-9-4 1150 Modoc South Warner Mtns. 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
  NY1056749  Phacelia tetramera E. Palmer 1995-6-2 6936 Modoc 6.4 km east of Eagleville, south end of Surprise Valley 1380 Comment
  CAS-BOT-BC179908  Phacelia thermalis Milo Samuel Baker 1899-8-18 Modoc Hot Spring Valley. Comment
  POM203781  Phacelia thermalis J. T. Howell 1934-6-30 12270 Modoc Duncan Horse Camp. Comment
  CAS-BOT-BC247555  Phalaris angusta Bruce Bartholomew 1991-7-6 5961 Modoc Ash Creek Bird Santuary, 0.2 km N of Lassen County line on Modoc County Road 87A. 1260 Comment
  UCD88512  Phalaris arundinacea G. F. Hrusa; T. D. Wilfred 1996-7-21 13322 Modoc Adjacent to Pit River at Modoc Co. Rd. 90 bridge. E base of Splawn Mountain. N end of Big Valley. 1500 Comment
  CDA2315  Phleum pratense T. C. Fuller 1958-7-8 2027 Modoc Davis Creek. 0 Comment
  CDA2316  Phleum pratense T. C. Fuller 1958-7-8 2015 Modoc Davis Creek. 0 Comment
  SACT001758  Phleum pratense Herbert Mason, Verne Grant 1947-7-10 Modoc Forming tubers, irrigation ditch on pasture land .25 mile west of Dorris Reservoir, 2 mile east of Alturas. Comment
  JEPS15472  Phlox diffusa Joseph and Hilda W. Grinnell 1938-6-16 1109 a Modoc summit of Cedar Pass Warner Mountains, Cedar Pass 1935 Comment
  CAS-BOT-BC197921  Phlox douglasii subsp. rigida John H. Hatton 1911-6-12 43 Modoc Modoc County. 1463 Comment
  SEINET7073582  Phlox gracilis A. G. Vestal 1955-5-18 s.n. Modoc About 3.2 miles east of Aden on Route 87. UTM Zone 10, 666674mE, 4563618mN. Coordinate datum: NAD27. Comment
  UC23588  Phlox gracilis Mrs. C. C. Bruce Jun 1898 2199 Modoc Goose Lake valley Comment
  UC23594  Phlox gracilis Milo S. Baker 1893-6 Modoc Forestdale Comment
  CAS-BOT-BC197893  Phlox hoodii subsp. canescens Bruce Bartholomew 1991-5-25 5753 Modoc Ca. 6 km NW of Tionesta on road to Lava Beds National Monument. 1310 Comment
  RSA647581  Phlox hoodii subsp. canescens Marion P. Harthill 1972-6-17 850 Modoc Cedar Pass 1921 Comment
  RSA488572  Phlox longifolia Bruce Bartholomew, B. Anderson 1988-5-14 4189 Modoc 7 km S of turn off to Crowder Flats along W side Road, W side of Goose Lake, 1410 Comment
  UC449765  Phlox stansburyi Mrs. M. H. Manning 1907-4-23 713 Modoc e side Warner Range; , Warner Valley Mts. Comment
  OBI48064  Phoenicaulis cheiranthoides Rhonda Riggins 1989-4-28 1660 Modoc Pencil Rd. 4.1 m N of Hwy 395 E of Alturas. 1402 Comment
  POM260187  Phoenicaulis cheiranthoides C. L. Hitchcock 1940-5-27 6673 Modoc 15 miles northeast of Alturas. 1616 Comment
  UC10759  Phoenicaulis cheiranthoides Mrs. R. M. Austin and Bruce June 1898 2153 Modoc Goose Lake Comment
  UC71679  Phoenicaulis cheiranthoides Mrs. M. H. Manning 1903-4-12 63 Modoc near Fort Bidwell (in north-eastern Modoc County) Comment
  CDA19728  Phoenicaulis cheiranthoides unknown Modoc Modoc Plateau; Boles Creek Slab. 0 Comment
  POM94707  Phoenicaulis cheiranthoides Mrs. R. M. Austin 1895-05 8 Modoc Goose Lake Valley Comment
  CAS-BOT-BC247591  Phragmites australis Bruce Bartholomew 1994-10-9 6886 Modoc Just N of Lassen County on road to Eagleville, S end of Surprise Valley. 1370 Comment
  CAS-BOT-BC247592  Phragmites australis Herbert Louis Mason 1947-8-11 13501 Modoc Hwy 81, N of Modoc-Lassen County line. Comment
  JEPS127204  Pilularia americana Lowell Ahart, John Dittes 2016-6-6 20956 Modoc About one mile south the intersection of County Road 87 and Access Road to Pilot Butte Parking Area, 3.8 miles (air) east of Lookout, 7.5 miles (air) west of Adin, Ash Creek State Wildlife Area. Comment
  CAS-BOT-BC73242  Pinus contorta subsp. murrayana Elmer I. Applegate 1932-7-7 8221 Modoc Summit of Yellow Mountain, near Lily Lake, Bidwell Pass, Warner Mts. 2438 Comment
  NY49934  Pinus contorta var. murrayana B. M. Bartholomew 1988-7-22 4520 Modoc South end of Bearcamp Flat, southern end of Warner Mountains. Emerson Peak 7.5' Quad [topographic map] 2230 Comment
  UCR78710  Pinus contorta var. murrayana David A. Charlet 1993-8-18 573 Modoc Warner Mtns., 2.8 km north of Eagle Peak 2744 Comment
  UCSB107  Pinus monticola Haller, John 1959-08 Modoc 0.5 miles west of the crest of the Warner Mtns, 3 miles east of Patterson Ranger Station and camp ground on road between Blue lake and Lower Alkali Lake 2286 Comment
  CAS-BOT-BC79035  Pinus ponderosa A. D. Borden 1911-5-20 s.n. Modoc Ross Creek Comment
  UC117020  Piperia unalascensis Mrs. R. M. Austin Aug 1894 129 Modoc Lassen Creek Comment
  CAS-BOT-BC228007  Plagiobothrys Roxana S. Ferris; Rena Duthie 1919-6-15 429 Modoc By railroad tracks, Davis Creek Comment
  CHSC112757  Plagiobothrys cusickii Lowell Ahart; John Dittes 2013-7-24 18920 Modoc Around a man made pond, north side of Ash Creek Floodplain, 0.54 mile (air) southeast of Pilot Butte Parking Area, 1.1 miles (air) south of County Road 87, 6.8 miles (air) west of Adin, Big Valley. 1263 Comment
  HSC30199  Plagiobothrys cusickii D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19525 Modoc Big Valley Summit, 6 mi. W of Adin on Hwy. 299 Comment
  CHSC109674  Plagiobothrys hispidulus Lowell Ahart; John Dittes 2012-7-10 18321 Modoc Along the sides of a small deep drainage, northeast of the old homestead, Ash Creek State Wildlife Area, about 3.4 miles (air) west of Adin, about 8.2 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  UC526163  Plagiobothrys hispidulus John Thomas Howell 1934-7-2 12360 Modoc near Willow Creek (ne side Clear Lake); mouth Willow Creek Comment
  CHSC85131  Plagiobothrys leptocladus John Dittes; Josephine Guardino 1991-7-21 413 Modoc Modoc Plateau; Big Valley; Ash Creek Wildlife Area; ca. 5.7 air-miles northeast of Bieber, ca. 7.6 air-miles west of Adin, ca. 1.5 air-mile southeast of Pilot Butte summit; meadow at northern edge of Ash Creek Floodplain (Big Swamp) at southeast base of Pilot Butte. 1258 Comment
  UC1037243  Plagiobothrys mollis Leo Whitney 1934-5-24 1628 Modoc ca 15 mi nw Canby (Lake Joaquina, Hackamore); Modoc National Forest, Lake Joaquina, Hackamore 1463 Comment
  CAS-BOT-BC248342  Plagiobothrys nitens B. Bartholomew; H. Sun 2002-6-24 8825 Modoc S end of Sweagert flat ca. 15.3 straight line km WNW of Aden 1820 Comment
  GMDRC5825  Plagiobothrys salsus R. B. Kelley 2005-6-26 883 Modoc along SR 299 Comment
  CAS-BOT-BC58749  Plagiobothrys scouleri Louis Cutter Wheeler 1935-8-16 3865 Modoc Dismal Swamp, Modoc National Forest 2225 Comment
  CAS-BOT-BC58751  Plagiobothrys scouleri John Thomas Howell 1934-6-13 12093 Modoc 2.5 mi S of Eagleville. Comment
  CAS-BOT-BC58756  Plagiobothrys scouleri John Thomas Howell 1934-6-11 11912 Modoc Parker Creek. 1584 Comment
  CAS-BOT-BC497196  Plagiobothrys scouleri E. Joyal; D. Mehlman 1988-6-27 1287 Modoc Warner Mts., Jess Valley 1500 Comment
  CAS-BOT-BC58762  Plagiobothrys scouleri Herbert Louis Mason; Verne Grant 1947-7-12 13408 Modoc W side of South Fork of Pit River Valley, SW of Alturas. Comment
  UC1560400  Plagiobothrys scouleri E. Joyal and D. Mehlman 1988-6-27 1287 Modoc Jess Valley Warner Mts. 1500 Comment
  RSA164362  Plagiobothrys scouleri var. hispidulus Clare B. Hardham 1961-6-17 7518 Modoc Cedar Pass Camp Ground, Warner Mountains Comment
  RSA128303  Plagiobothrys stipitatus var. micranthus P. H. Raven, Otto T. Solbrig 1958-6-18 13326 Modoc Eastern outskirts of Lookout Comment
  JEPS119674  Plantago major Lowell Ahart, John Dittes 2012-7-12 18358 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
  HSC16615  Platanthera dilatata var. leucostachys M. T. Milligan 1964-7-25 194 Modoc Jess Valley, 400yds W of Mill Creek on Clear Lake Rd. 1677 Comment
  RSA504629  Platanthera stricta Bruce Bartholomew, B. Anderson 1988-6-24 4342 Modoc Cave Lake, W side of the Warner Mountains. 2130 Comment
  UC1024327  Platanthera stricta Annie M. Alexander and Louise Kellogg 1946-6-28 4858 Modoc above Lily Lake (Pine Creek Canyon); n end Warner Mountains, Pine Creek Canyon 2103 Comment
  CAS-BOT-BC136648  Platanthera stricta Mrs. R. M. Austin 1884-7-1 167 Modoc Field redacted by CAS, contact the data manager for more information 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
  CAS-BOT-BC245406  Plectritis macrocera Bruce Bartholomew; Barrett Anderson 1989-6-2 4799 Modoc 6.4 km E of Fort Bidwell on road to Fee Reservoir, NE corner of Surprise Valley. 1460 Comment
  JEPS127578  Plectritis macrocera L. P. Janeway 2016-5-16 11984 Modoc Modoc Plateau. Devils Garden area; along Road 47N07 1.8 road-km of Road 181/73/47N09. McGinty Reservoir 7.5' Quad. Comment
  JEPS4045  Plectritis macrocera Frances D. Payne 1932-6-10 630 Modoc s and e of Alturas (Warner Mountains, Parker Creek); Warner Mountains, Parker Creek 1584 Comment
  RSA101374  Plectritis macrocera subsp. grayi R. Weatherby 1955-7-8 1640 Modoc 3 mi. north of Ft. Bidwell, northern Warner Mts. 1555 Comment
  POM128314  Plectritis macrocera subsp. grayi M. French Gilman 558 Modoc Modoc Co. Mts. 1982 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
  UC450472  Poa bulbosa M. V. Maxwell June 1930 Modoc Adin Comment
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May 19 2009
  CHSC85106  Poa cusickii subsp. epilis John Dittes; Josephine Guardino 1991-7-21 436 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
  UCD32721  Poa palustris Beecher Crampton 1954-7-7 2159 Modoc Modoc County, 2.5 miles east of Alturas, near radio station KCNO. Comment
  UCD91791  Poa palustris Alan A. Beetle 1944-8-17 3038 Modoc 1 mile south of Alturas, edge of town west of R.R. track. Comment
  UCD38339  Poa secunda subsp. juncifolia Beecher Crampton; Carl Rimbey 1954-7-7 2124 Modoc Alturas. Comment
  UCD92437  Poa secunda subsp. juncifolia E. Wilson 1935-5-14 s.n. Modoc W side of pass toward Alturas. Comment
  SEINET7855105  Poa secunda subsp. juncifolia I. Tidestrom 1910-6-25 3634 Modoc Modoc NF, Sibley Draw. Comment
  CAS-BOT-BC247666  Poa secunda subsp. secunda James D. Jokerst 1983-5-31 1804 Modoc Near Signal Butte. 1340 Comment
  CAS-BOT-BC247669  Poa secunda subsp. secunda Gordon H. True 1964-6-3 1455 Modoc N Fork Pit River, between Alturas and Goose Lake. 1463 Comment
  UC1024879  Poa secunda subsp. secunda Leo Whitney 1935-5-29 3144 Modoc ca 18 mi wnw Canby (Hole-in-the-rock) Comment
  UC711843  Poa secunda subsp. secunda Roxana S. Ferris and Laura Lorraine 1941-8-14 10582 Modoc 3 mi from on rd to Eagleville Patterson Ranger Station; Modoc Nat'l Forest, Warner Mts Comment
  UCD90489  Poa secunda subsp. secunda A. A. Beetle 1941-6-29 2827 Modoc Near summit of Cedarville Pass. 2118 Comment
  CAS-BOT-BC252525  Poa wheeleri Bruce Bartholomew; Barrett Anderson 1988-7-21 4454 Modoc Vicinity of Patterson Campground, southern end of the Warner Mts. 2190 Comment
  CAS-BOT-BC179347  Pogogyne floribunda James D. Jokerst 1990-7-31 3204 Modoc Ca. 2 mi. SE of Doublehead Mountain. 1371 Comment
  SD149137  Pogogyne floribunda B. Bartholomew 1991-8-4 6021 Modoc 3.2 km south of Drift Fence Tank on road to Mud Lake. 1580 Comment
  CAS-BOT-BC95164  Polanisia dodecandra subsp. trachysperma Margaret J. Williams 1983-9-13 83- 150 -1 Modoc Near Hwy 299, just E of Adin. Comment
  CAS-BOT-BC248380  Polanisia dodecandra subsp. trachysperma L. S. Smith 1918-9-25 1057 Modoc Modoc National Forest. Granger & So. Deep Cr. Slopes 1828 Comment
  RSA0068909  Polemoniaceae Austin 1897-07 s.n. Modoc Goose Lake 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
  CHSC117863  Polemonium micranthum L. P. Janeway 2016-5-16 11979 Modoc Modoc Plateau. Devils Garden area; along Road 47N07 1.8 road-km south of Road 181/73/47N09. 1573 Comment
  CHSC85180  Polemonium micranthum John Dittes; Josephine Guardino 1991-6-1 358 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
  HSC17207  Polemonium occidentale subsp. occidentale M. T. Milligan 1966-7-5 554 Modoc Slopes and ridges E of Jess Valley 1768 Comment
  HSC81028  Polemonium pulcherrimum G. M. Riegel 1980-7-28 948 Modoc S Warner Mtns. 2100 Comment
  CAS-BOT-BC231285  Polemonium pulcherrimum Alexander; Kellogg No date on label 5106 Modoc Eagle Rock Comment
  UC1036075  Polemonium pulcherrimum subsp. pulcherrimum Annie M. Alexander and Louise Kellogg 1946-8-1 5106 Modoc n slope Eagle Peak , n slope Eagle Peak (Warner Mountains) Comment
  CAS-BOT-BC58452  Polyctenium fremontii var. fremontii Bruce Bartholomew; M. Gilbert; L. E. Skog 1993-5-10 6478 Modoc 3.4 km SW of Nevada border on Barrel Spring Road, N end of Surprise Valley. 1680 Comment
  CHSC112813  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. 1262 Comment
  UC1060642  Polygonum Herbert L. Mason 1955-8-14 14655 Modoc n of Rim Rock Valley Reservoir (Frift Fence Reservoir); Frift Fence Reservoir Comment
  JEPS94073  Polygonum amphibium var. emersum Vernon H. Oswald and Lowell Ahart 1998-9-8 9592 Modoc ca. 0.5 mi. n.e. Lookout Junction (County Rd. 95 at Taylor Creek n.w. of Lookout); Taylor Creek 1280 Comment
  UC1576762  Polygonum aviculare subsp. buxiforme Dean Wm. Taylor with Glenn L. Clifton 1989-8-6 10486 Modoc Snake Lake Warner Mountains (bed) 1569 Comment
  UC465747  Polygonum bistortoides Franklin P. Nutting Modoc flat near Forestdale Comment
  CAS-BOT-BC218125  Polygonum douglasii Bruce Bartholomew; Barrett Anderson 1990-7-19 5403 Modoc Turner Creek at County Rd 90, N end of Big Valley, 6.4 km N of Lassen County border. 1230 Comment
  CAS-BOT-BC218141  Polygonum douglasii John Thomas Howell 1934-6-30 12276 Modoc Duncan Horse Camp. 1355 Comment
  CAS-BOT-BC218142  Polygonum douglasii John Thomas Howell 1934-6-12 12002 Modoc Davis Creek. Comment
  JEPS121205  Polygonum douglasii Lowell Ahart, John Dittes 2013-7-25 18964 Modoc 30 yards N of the E-W fence, south edge of Ash Creek Floodplain, NE of Patterson Homestead, E of Elkins Lane, 1.0 air miles S of County Road 87, 3.14 air miles W of Adin, Big Valley. Comment
  POM203796  Polygonum douglasii J. T. Howell 1934-6-12 12002 Modoc Davis Creek Comment
  UC1562658  Polygonum douglasii Barbara Ertter 1988-6-18 7615 Modoc Hwy 139 1 mi s S jct to Lava Beds Nat'l Monument (e of Tonesta, a few mi n of Agric. Inspection Station, ca 50 air mi sw of Klamath Falls) 1310 Comment
  RSA170179  Polygonum douglasii F. Payne 1935-7-6 784 Modoc Parker Creek, Warner Mtns, S and E of Alturas. 1585 Comment
  POM104510  Polygonum douglasii subsp. austiniae R. M. Austin 1895-07 734 Modoc Goose Lake Valley. Comment
  UC466035  Polygonum douglasii subsp. austiniae Mrs. R. M. Austin Aug. 1894 304 Modoc Davis Creek Comment
  UC466034  Polygonum douglasii subsp. douglasii Mrs. R. M. Austin July 1890 431 Modoc Goose Lake Valley Comment
  CAS-BOT-BC218159  Polygonum polygaloides Bruce Bartholomew 1991-8-6 6085 Modoc S Fork of Emerson Trail at S Fork of Emerson Creek, E side of Warner Mts. 2160 Comment
  CAS-BOT-BC218172  Polygonum polygaloides subsp. confertiflorum Leland S. Smith 1922-7-7 1260 Modoc High Grade Hill and Dismal Swamp. 2316 Comment
  JEPS98243  Polygonum polygaloides subsp. confertiflorum R. E. Preston 2000-7-18 1406 Modoc 13 mi NW of Canby (along s side of Hwy 139; ca 500 ft e of FSR 44N11) 1481 Comment
  RSA125790  Polygonum polygaloides subsp. confertiflorum H. L. Mason 1957-6-21 14706 Modoc W side of Said Valley Comment
  UC1112255  Polygonum polygaloides subsp. confertiflorum R. C. Bacigalupi with S. Galen Smith 1957-6-27 5982 Modoc along State Hwy 139 ca 9 mi nw Canby 1493 Comment
  CAS-BOT-BC218180  Polygonum polygaloides subsp. esotericum Alice Eastwood; John Thomas Howell 1940-6-14 8223 Modoc 8 mi. NW of Canby. Comment
  CAS-BOT-BC27102  Polygonum polygaloides subsp. esotericum Louis Cutter Wheeler 1935-8-25 3918 Modoc Rim Rock Valley Reservoir, Devils Garden. Modoc National Forest 1524 Comment
  CHSC67590  Polygonum polygaloides subsp. esotericum James D. Jokerst 1990-8-2 3213 Modoc Hwy. 139 NW of Canby, 5.3 mi W of junction with Loveness Rd. Comment
  RSA601431  Polygonum polygaloides subsp. esotericum Louis C. Wheeler 1935-8-25 3919 Modoc Devil's Garden: Rimrock Valley Reservoir. 1524 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
  CAS-BOT-BC218187  Polygonum polygaloides subsp. kelloggii Mrs. H. C. Cantelow 1940-6-2 4180 Modoc About 10 mi. NW of Canby, road to lava beds. Comment
  CAS-BOT-BC218188  Polygonum polygaloides subsp. kelloggii Arnold Tiehm 1984-7-30 8829 Modoc 8.9 road mi. NE of Ft. Bidwell on main road to Adel, just past the road summit. 1615 Comment
  UC6708  Polygonum polygaloides subsp. kelloggii M. S. Baker and Frank Nutting 1894-6-8 Modoc Egg Lake Comment
  CDA22856  Polygonum ramosissimum T. C. Fuller 1958-8-12 2068 Modoc Corporation Ranch, Likely. 0 Comment
  CDA22858  Polygonum ramosissimum T. C. Fuller 1958-7-8 1971 Modoc Corporation Ranch, Likely. 0 Comment
  NY407626  Polygonum sawatchense B. M. Bartholomew 1989-6-2 4781 Modoc Top of Fandango pass, Warner Mountains. 1870 Comment
  NY407628  Polygonum sawatchense A. Tiehm 1984-6-30 8841 Modoc Northwest side of Bidwell Mountain, 2.8 road miles north of 8 mile creek on the road from Lake Annie 1828.8 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-BC225100  Populus tremuloides Elmer Ivan Applegate 1929-6-25 5902 Modoc Cottonwood Creek, east side of Goose Lake. Comment
  CAS-BOT-BC225107  Populus trichocarpa Roxana Stinchfield Ferris; R. Duthie 1919-6-14 140 Modoc Parker Creek below Nat. Forest Boundary. Comment
  CAS-BOT-BC225108  Populus trichocarpa Elmer Ivan Applegate 1932-7-6 8207 Modoc Bidwell Creek, above Ft. Bidwell, Warner Mts. Comment
  CAS-BOT-BC95150  Porterella carnosula Bruce Bartholomew 1995-6-23 7001 Modoc 3.4 km from Goose Lake on road to Meteorite Tank. 1600 Comment
  CAS-BOT-BC497206  Porterella carnosula Louis C. Wheeler 1935-8-3 3756 Modoc Warner Mountains: Rock Lake, Pine Creek 1920 Comment
  HSC93988  Porterella carnosula L. C. Wheeler 1935-8-3 3756 Modoc Warner Mountains, Rock Lake, Pine Creek. 1921 Comment
  CAS-BOT-BC242241  Potamogeton foliosus Verne Grant; I. Schneider 1947-7-22 8153 Modoc Headwaters of North Fork of Pit River, 1 mi. NW of Hwy 395 on dirt road leading to S end of Goose Lake. Comment
  CAS-BOT-BC242242  Potamogeton foliosus Louis Cutter Wheeler 1935-9-1 3933 Modoc Pine Spring, Devil's Garden. 1524 Comment
  UC441324  Potamogeton foliosus Milo S. Baker 1899-8-24 Modoc Carmichaels Mill Big Valley Comment
  POM118939  Potamogeton foliosus Mrs. R. M. Austin 1895-07 482 Modoc Davis Creek Comment
  POM208870  Potamogeton foliosus subsp. fibrillosus Milo S. Baker 1899-8-24 s.n. Modoc Carmichael s Mill, Big Valley Comment
  RSA252438  Potamogeton natans Robert F. Thorne, C. W. Tilforth 1969-9-5 39146 Modoc North of South Fork of Pit River above jct. with West Creek at Public Campground, ca. 6 mi. E of Likely. 1402 Comment
  UCSC001853  Potamogeton natans M. S. Baker 1899-8-18 s.n. Modoc pond Little Hotsprings Valley Little Hotsprings Valley Comment
  UC1100065  Potamogeton nodosus Verne Grant, Irving Schneider 1947-7-21 8111 Modoc North Fork of Pit River (1/4 mi mi upstream from confluence with South Fork, by Alturas) Comment
  CHSC99517  Potamogeton pectinatus Lowell Ahart; John Dittes 2008-6-21 15005 Modoc In shallow water 6-8 inches deep, along a deep natural drainage, about 30 yards west of the levee, mountain meadow, in Big Valley, about 3.6 miles (air) northeast of the Headquarters at Ash Creek State Wildlife Area, about 6.4 miles (air) northeast of Bieber. 1269 Comment
  UC1099836  Potamogeton pectinatus Herbert L. Mason 1947-8-11 13488 Modoc Kelley Hot Springs, on Alturas-Conby Highway Kelley Hot Springs Comment
  SEINET5335406  Potamogeton perfoliatus M. S. Baker 1899-8-24 s.n. Modoc in Pit River at Lookout Comment
  SJSU5135  Potamogeton praelongus R. L. Fisher 1958-6-13 Modoc Bailey Lake c. 12 mi S of Alturas 1524 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
  CHSC110889  Potentilla biennis Lowell Ahart; John Dittes 2012-7-10 18307 Modoc Northeast of the old homestead, Ash Creek State Wildlife Area, about 3.2 miles (air) west of Adin, about 8.4 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  UC12515  Potentilla biennis Mrs. R. M. Austin and Bruce June 1898 2307 Modoc Goose Lake Valley Comment
  UC545662  Potentilla biennis John Thomas Howell 1934-7-2 12355 A Modoc Nigger Ben Spring , Nigger Ben Spring (se end of Clear Lake) Comment
  RSA504664  Potentilla bruceae Bruce Bartholomew, B. Anderson 1988-7-22 4543 -A Modoc Benton Meadow, Warner Mts. 2180 Comment
  SEINET13170136 Image available Potentilla bruceae Annie M. Alexander 1946-6-30 4872 Modoc High grade, West side of ridge, north end of Warner Mountains 2377 Comment
  JEPS47203  Potentilla fruticosa Frances D. Payne 1931-6-22 300 Modoc southeastern slopes Mt. Warren (Owl Creek, Warner Mountains); Warner Mountains, se slopes Mt. Warren, Owl Creek 2133 Comment
  RSA488577  Potentilla glandulosa var. nevadensis Bruce Bartholomew 1988-5-14 4202 Modoc Fletcher Creek on USFS 48N08 from Crowder Flats to Big Sage Reservoir 1480 Comment
  CAS-BOT-BC214790  Potentilla gracilis Milo Samuel Baker; Franklin P. Nutting 1894-1-1 s.n. Modoc Near Egg Lake. Comment
  CHSC70770  Potentilla gracilis var. fastigiata A. Sanger 1997-7-8 2557 Modoc Quaking Aspen Spring within and north of Aspen stand. 1469 Comment
  UC748061  Potentilla gracilis var. fastigiata Annie M. Alexander and Louise Kellogg 1946-6-12 4732 Modoc Fort Bidwell 1444 Comment
  JEPS44161  Potentilla gracilis var. fastigiata L. S. Smith 1918-6-14 937 Modoc Willow Creek and Lassen Creek Warner Mts., Willow Creek and Lassen Creek 1828 Comment
  RSA29866  Potentilla gracilis var. flabelliformis M. S. Baker 1894-1 6443 Modoc Near Egg Lake Comment
  CAS-BOT-BC214797  Potentilla millefolia Annie Montague Alexander; L. Kellogg 1946-6-18 4799 Modoc Silver Creek branch of Patterson Mill road. 1828 Comment
  CAS-BOT-BC214798  Potentilla newberryi John Thomas Howell 1934-7-2 12356 Modoc Nigger Ben Spring, SE end of Clear Lake. Comment
  UC1736228  Potentilla newberryi Dean W. Taylor 1987-8-9 9279 Modoc margin of stock pond in T48N R6E SE1/4 Section 15 1371 Comment
  UCD113817  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
  POM312885  Potentilla rivalis H. L. Mason 1947-8-13 13518 Modoc Northeast side of 'F' reservoir, north of Canby Comment
  UCD113966  Poteridium annuum Herbert L. Mason; Verne Grant 1947-7-13 13443 Modoc Near roadside, Joseph Creek on Highway 395, north of Davis Creek (east side of Goose Lake). Comment
  CAS-BOT-BC179339  Prunella vulgaris Bruce Bartholomew 1991-7-5 5947 Modoc North Willow Creek, vicinity of the Oregon border. 1580 Comment
  HSC14305  Prunella vulgaris M. T. Milligan 1964-7-20 148 Modoc N end of Jess Valley, near Mill Creek. 1677 Comment
  HSC14304  Prunella vulgaris subsp. lanceolata M. T. Milligan 1965-6-26 337 Modoc N end Jess Valley. 1616 Comment
  RSA504650  Prunus emarginata Bruce Bartholomew 1988-7-23 4600 Modoc Pine Creek, 1km E of U.S. Hwy. 395 on the road to Lily Lake, Warner Mountains. 1550 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
  CHSC99931  Prunus subcordata Lowell Ahart; John Dittes 2008-8-25 15325 Modoc Open pasture field, on the west side of East Gouger Neck Road, east of the Pit River, 2.1 miles by road from County Road 91, 5.6 miles (air) northeast of Lookout. 1293 Comment
  POM88418  Prunus subcordata R. M. Austin 1895-1 41 Modoc Goose Lake (Ross Canyon). Comment
  RSA1576  Prunus subcordata E. R. Johnson 1928-8-31 1195 Modoc W edge of lava beds between Lookout and Battle Comment
  UC1281130  Prunus subcordata H. E. McMinn 1931-5-23 2480 Modoc Warner Mountains Comment
  CAS-BOT-BC225015  Prunus virginiana var. demissa Roxana Stinchfield Ferris; R. Duthie 1919-6-14 129 Modoc Parker Creek below Modoc Nat. Forest Boundary. Comment
  CHSC100391  Prunus virginiana var. demissa Lowell Ahart; John Dittes 2008-8-26 15338 Modoc Southeast side of Rose Creek, 750 feet southwest of confluence of Rose Creek and Pit River, on the northwest side of unnamed road,, 2660 feet east of intersection with County Road 85a, 9.3 miles (air) north-northeast of Lookout. 1276 Comment
  RSA210822  Prunus virginiana var. demissa Robert F. Thorne, C. W. Tilforth 1969-9-4 39054 Modoc N fork of Pit River. 6.8 miles N of Parker Creek on Hwy 395 Comment
  RSA451461  Prunus virginiana var. demissa Christopher Davidson 1973-5-26 2135 Modoc ca. 4 miles W of Canby on Hwy 299. 1341 Comment
  UC1128448  Prunus virginiana var. demissa R. C. Wilson 1933-6-21 49 Modoc Stone Coal Valley Creek, Modoc National Forest Stone Coal Valley Creek; Modoc National Forest, Stone Coal Valley Creek 1402 Comment
  UCD91518  Pseudoroegneria spicata R. Tofsrud 1947-7-1 210 Modoc Between Alturas and Cedarville. Comment
  UCD91523  Pseudoroegneria spicata E. Wilson 1934-8-14 s.n. Modoc About 25 miles West of Alturas. Comment
  POM205740  Pseudoroegneria spicata subsp. spicata Jos Burtt Davy 1897-6-20 1711 Modoc Big Balley. Near Lookout Comment
  CAS-BOT-BC95225  Pseudostellaria jamesiana Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-13 16455 Modoc Near summit of Fandango Pass, Warner Mts. Comment
  CAS-BOT-BC95231  Pseudostellaria jamesiana Bruce Bartholomew; Barrett Anderson 1988-7-21 4455 Modoc Vicinity of Patterson Campground, southern end of the Warner Mts. 2190 Comment
  CAS-BOT-BC95236  Pseudostellaria jamesiana Robert Patterson; Mona Bourell 1993-8-15 5267 Modoc Warner Mountains. Along trail from Patterson Lake to ca. 2 mi north towards Pepperdine Trailhead. 2743 Comment
  NY1083722  Pseudostellaria jamesiana C. L. Hitchcock 1940-5-27 6679 Modoc 15 miles northeast of Alturas 1615.4 Comment
  UC705682  Pseudostellaria jamesiana Marion Ownbey and Fred G. Meyer 1940-7-1 2142 Modoc Cedar Peak , Cedar Peak (Warner Mts.) 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
  JEPS30615  Psilocarphus oregonus Peter H. Raven and Otto T. Solbrig 1958-6-18 13321 Modoc 8.8 mi s Happy Camp Guard Station; Modoc National Forest Comment
  RSA467855  Pterospora andromedea J. P. Smith, J. O. Sawyer, Smith 1973-8-9 7255 Modoc Around the shore of Blue Lake, Modoc National Forest. 1829 Comment
  UC1608978  Pteryxia terebinthina var. californica B. Bartholomew 1993-6-12 6583 Modoc Road to Day Rock from Little Hot Spring Valley 381 Comment
  UCD91529  Puccinellia distans Beecher Crampton 1954-7-8 2192 Modoc Modoc County, 3 miles west of Alturas, along US highway 299. Comment
  CDA42958  Puccinellia lemmonii L. Ahart, John Dittes, Todd Sloat 2013-6-8 18763 Modoc About 300 yards northeast of the Parking Area, northeast of the old barn, Ash Creek State Wildlife Area, about 3.9 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. Comment
  SEINET3222704 Image available Puccinellia lemmonii Arnold Tiehm, Jan Nachlinger, Gary Schoolcraft 1984-6-24 8799 Modoc Surprise Valley, east side of Middle Alkali Lake, east of Cedarville. 1360 Comment
  UCD32743  Puccinellia nuttalliana Beecher Crampton 1954-7-8 2196 Modoc Modoc County, 3 miles west of Alturas, along US highway 299. Comment
  UCD93373  Puccinellia nuttalliana Beecher Crampton 1954-7-8 2196 Modoc Modoc County, 3 miles west of Alturas, along US highway 299. Comment
  CHSC65832  Purshia tridentata J. Ingraham 1995-4-16 18 Modoc 7.5 mi S. of Davis Creek, 50 yds. E of Hwy. 395. 1432 Comment
  UCD35723  Purshia tridentata Beecher Crampton 1960-6-17 5681 Modoc 5 miles south of Perez, Plant Quarantine Station area. 1371 Comment
  CAS-BOT-BC218228  Purshia tridentata var. tridentata John Thomas Howell 1934-6-12 12041 Modoc N side of Fandango Valley. Comment
  RSA504846  Purshia tridentata var. tridentata Bruce Bartholomew, B. Anderson 1988-7-21 4447 Modoc SW side of Jess Valley. Warner Mtns. 1540 Comment
  RSA59519  Purshia tridentata var. tridentata E. K. Balls 1950-5-21 4850 Modoc Opposite South Fork Public Camp. South Fork Pit River. 1479 Comment
  CAS-BOT-BC218227  Purshia tridentata var. tridentata C. C. (Mrs.) Bruce 1899-6-1 54 Modoc Modoc County. Comment
  UC12420  Purshia tridentata var. tridentata Milo S. Baker 1893-6 Modoc hillsides and low land Comment
  CAS-BOT-BC95687  Pyrola picta Leland S. Smith 1917-9-17 160 Modoc Lassen Creek. 2133 Comment
  UC73539  Pyrola picta Milo S. Baker 1898-7-1 536 Modoc Forestdale 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
  CHSC97874  Pyrrocoma carthamoides var. cusickii G. D. Barbe 1991-8-27 4443 Modoc Warner Mts. 2316 Comment
  CHSC97927  Pyrrocoma carthamoides var. cusickii G. D. Barbe 1991-8-27 4443 Modoc Warner Mts. Modoc Plateau. 2316 Comment
  SJSU9380  Pyrrocoma carthamoides var. cusickii W. Savage 1979-7-4 1345 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
  UC76017  Pyrrocoma carthamoides var. cusickii Milo S. Baker 1894-6-29 Modoc Big Valley near Lookout; Big Valley Comment
  UCR198259  Pyrrocoma carthamoides var. cusickii G. D. Barbe 1991-8-27 4443 Modoc Modoc Plateau, Warner Mountins 2317 Comment
  SEINET3840822  Pyrrocoma carthamoides var. cusickii Unknown 1991-8-27 4443 Modoc Warner mountains 2310 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
  UC76018  Pyrrocoma hirta var. lanulosa Milo S. Baker July 1894 Modoc lake at Mt. Meadows w of summit w Eagle Lake; Lake at Mt. Meadows w of summit Comment
  UC891933  Pyrrocoma lanceolata var. lanceolata Lewis S. Rose 1940-6-12 40517 Modoc Likely 1371 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-BC50359  Raillardella argentea Annie Montague Alexander; L. Kellogg 1946-7-29 5092 Modoc Near summit of Eagle Peak. Divide top, Emerson Creek Canyon, Warner Mountains Comment
  JEPS5955  Raillardella argentea Frances D. Payne 1929-7-26 132 Modoc Warren Peak Warner Mountains 2743 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-BC379165  Ranunculus aquatilis var. aquatilis Alice Eastwood; John Thomas Howell 1937-6-19 4550 Modoc near Yorkville Comment
  JEPS60659  Ranunculus aquatilis var. capillaceus Frances D. Payne 1929-7-26 124 Modoc 2 mi sw Warren Mt. (se Modoc Co., pond outlet); Pine Creek Basin 2133 Comment
  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
  RSA399370  Ranunculus aquatilis var. capillaceus George Willet 1935-6-12 s.n. Modoc [Unspecified] Comment
  CAS-BOT-BC217274  Ranunculus aquatilis var. diffusus Robert Folger Thorne; C. W. Tilforth 1969-9-5 39176 Modoc South Fork of Pit River at bridge 3.8 mi. E of Likely. 1386 Comment
  JEPS60726  Ranunculus aquatilis var. subrigidus Leland S. Smith 1918-7-22 1008 Modoc Blue Lake Modoc National Forest 1874 Comment
Read comments
Jun 2 2009
  NY353453  Ranunculus austiniae R. M. Austin 1894-1 s.n. Modoc High bluffs of lava rock east of Willow Creek Valley Comment
  CAS-BOT-BC217230  Ranunculus cymbalaria Bruce Bartholomew 1994-7-1 6764 Modoc Turner Creek adjacent to Forest Service road 42N21. 1470 Comment
  CHSC115571  Ranunculus cymbalaria Lowell Ahart; John Dittes 2015-7-15 20348 Modoc On the east side of Eldins Lane, about 200 yards northeast of the Parking Area, northwest of the old barn, Ash Creek State Wildlife Area, about 3.9 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  HSC39724  Ranunculus cymbalaria var. saximontanus Thomas W. Nelson, James Nelson 1976-8-29 3255 Modoc Modoc National Forest; along Hwy. 299 just N west of Adin Pass 1524 Comment
  CAS-BOT-BC217237  Ranunculus eschscholtzii var. oxynotus Elmer Ivan Applegate 1932-8-1 8047 Modoc Arid, rocky E slope of Warren Peak, Warner Mts. Comment
  CAS-BOT-BC217238  Ranunculus eschscholtzii var. oxynotus Elmer Ivan Applegate 1932-8-3 8133 Modoc E slope of Eagle Peak, Warner Mts. 2743 Comment
  CAS-BOT-BC217207  Ranunculus glaberrimus var. glaberrimus Edward Kent Balls 1950-5-12 14636 Modoc Above Bucks Creek Ranger Station. 1767 Comment
  CAS-BOT-BC217208  Ranunculus glaberrimus var. glaberrimus Bruce Bartholomew; Barrett Anderson 1989-4-29 4690 Modoc Surprise Valley Road, just S of the Oregon border, extreme NE corner of Modoc County. 1630 Comment
  CAS-BOT-BC217249  Ranunculus glaberrimus var. glaberrimus Bruce Bartholomew; Barrett Anderson 1988-5-13 4173 Modoc Between N and S Forks of Fitzhugh Creek on Warner Road, W side of the Warner Mts.. 1970 Comment
  UC118383  Ranunculus hebecarpus Mrs. R. M. Austin May 1897 3 Modoc Goose Lake Valley Comment
  CAS-BOT-BC217213  Ranunculus occidentalis Francis Dorris Payne 1929-7-1 34 Modoc Parker Creek, Warner Mts. 1584 Comment
  SEINET195697  Ranunculus occidentalis L. Kellogg, AM Alexander 1946-6-7 4673 Modoc 0.5 mi E of Cedarville 1453 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
  RSA59860  Ranunculus occidentalis var. eisenii E. K. Balls 1950-5-11 14616 Modoc 8 miles N of Lake City, W side of Upper Lake. 1402 Comment
  CHSC118087  Ranunculus occidentalis var. occidentalis L. P. Janeway 2016-5-18 12070 Modoc Modoc Plateau. Devils Garden area; Island Meadow, along Road 47N08 2.1 road-km north of Road 73/181/47N09. 1606 Comment
  HSC26169  Ranunculus occidentalis var. ultramontanus D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19432 Modoc Near Hager Reservoir 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-BC217197  Ranunculus sceleratus var. multifidus C. C. (Mrs.) Bruce 1897-6-1 486 Modoc Fletcher Creek, Goose Lake. Comment
  CAS-BOT-BC217200  Ranunculus sceleratus var. multifidus John Thomas Howell 1934-6-13 12090 Modoc 2.5 mi. S of Eagleville. Comment
  POM275140  Ranunculus sceleratus var. multifidus A. M. Alexander, Louise Kellogg 1946-6-7 4674 Modoc 0.5 miles E of Cedarville. 1454 Comment
  CAS-BOT-BC217198  Ranunculus sceleratus var. multifidus R. M. Austin 1894-1-1 Modoc Fletcher Creek. 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
  JEPS96813  Ranunculus testiculatus Dean W. Taylor 1992-3-16 12332 Modoc 1 air mi SW of Duncan Reservoir; Modoc Plateau 1493 Comment
  HSC103172  Ranunculus testiculatus R. W. Tate, K. Ludwig 2014-3-19 1402 Modoc Modoc National Forest, Devil's Garden RD, Reservoir C parking area. 1513 Comment
  RSA145549  Ranunculus testiculatus T. L. Secrest 1961-6-11 s.n. Modoc along edge of Hwy 299 1 miles NW of Alturas Comment
  CAS-BOT-BC217161  Ranunculus uncinatus Bruce Bartholomew 1994-5-30 6744 Modoc Johnson Creek. 1570 Comment
  RSA152697  Ranunculus uncinatus I. L. Wiggins, Dorothy B. Wiggins 1961-6-12 16395 Modoc Margin of marshy area along Thomas Creek, 6.1 miles E of California Hwy 299, on road to Cedarville Comment
  RSA78890  Rhamnus rubra E. K. Balls, Percy C. Everett 1952-10-11 18156 Modoc 0.3 miles SE of crest of Fandango Pass, Warner Mts. 1829 Comment
  JEPS117474  Rhaponticum repens Lowell Ahart, John Dittes 2010-8-31 17093 Modoc Just south of the Parking Area west of the old barn, on the west side of Elkins Lane, Ash Creek State Wildlife Area, 320 feet north of Lassen County Line, about 4.4 miles (air) west of Adin, about 7.2 miles (air) northeast of Bieber, Big Valley 1266 Comment
  SEINET2029156 Image available Rhododendron columbianum L. C. Wheeler 1935-8-4 3777 Modoc Warner Mountains, Pine Creek 2210 Comment
  CAS-BOT-BC225860  Ribes aureum L. A. M. Black 1894-5-1 73 Modoc Willow Ranch. Comment
  UC71821  Ribes aureum Mrs. M. H. Manning 1903-4 95 Modoc valley near Fort Bidwell Comment
  CAS-BOT-BC225868  Ribes cereum Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16417 Modoc Mountainside near summit of Cedar Pass between Alturas and Cedarville. 1943 Comment
  CAS-BOT-BC225891  Ribes cereum G. Schoolcraft 1988-7-12 1825 Modoc E slope at lower part of N Deep Creek. 1554 Comment
  CAS-BOT-BC225892  Ribes cereum Bruce Bartholomew; Barrett Anderson 1988-5-14 4199 Modoc Pease Cabin, 0.8 km E of Fletcher Creek on USFS road 47N09 between Goose Lake and Crowder Flats. 1550 Comment
  CAS-BOT-BC248354  Ribes cereum B. Bartholomew; H. Sun 2002-6-24 8837 Modoc Ca. 1 km NW of Bald Mt., E side of the Warner Mountains 2290 Comment
  CHSC13854  Ribes cereum J. Grove 1973-4-28 87 Modoc Collected on black lava flow 15 mi NE of Glenburn. Comment
  HSC27248  Ribes cereum J. P. Smith, J. O. Sawyer 1972-5-6 5279 Modoc Hill along Lassen Creek on road from Fandango Valley to Davis Creek 1463 Comment
  RSA271927  Ribes cereum Christopher Davidson 2620 Modoc 2.5 mi W of Cedarville on Hwy 299. 1677 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
  RSA59647  Ribes cereum E. K. Balls 1950-5-12 14644 Modoc Above Bucks Creek Ranger Station, Modoc National Forest, east of Goose Lake. 1738 Comment
  SEINET13942380 Image available Ribes cereum E. K Balls 1950-1 14654 Modoc Modoc National Forest; hillsides N of Bucks Creek Ranger Station, E of Goose Lake 1859 Comment
  CAS-BOT-BC225904  Ribes montigenum Elmer Ivan Applegate 1932-8-1 8062 Modoc Arid rocky summit of Warner Mountains S of Warren Peak. Comment
  CAS-BOT-BC225906  Ribes montigenum Annie Montague Alexander; L. Kellogg 1946-6-25 4822 Modoc Dismal Swamp, N end of Warner Mts. 2255 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
  RSA0021946  Ribes montigenum Elmer I. Applegate 1932-8-3 8122 Modoc Dry, rocky summit of Warner Mountains just north of Eagle Peak. Comment
  CAS-BOT-BC225909  Ribes roezlii var. roezlii Bruce Bartholomew 1994-5-27 6702 Modoc SW side of White Horse Reservoir. 1330 Comment
  CAS-BOT-BC225923  Ribes velutinum Bruce Bartholomew; Barrett Anderson 1989-4-28 4653 Modoc 8.8 km N of State Highway 299 on road to Raker & Thomas Reservoir. 1470 Comment
  UC79649  Ribes velutinum Mrs. R. M. Austin 1894-1 Modoc Willow Creek Valley Comment
  CAS-BOT-BC225936  Ribes viscosissimum Bruce Bartholomew; Barrett Anderson 1988-6-24 4298 Modoc Road beyond Poison Lake ca. 8 km S of the road from U.S. Highway 395 to Lily Lake, Warner Mts.. 2130 Comment
  CAS-BOT-BC225939  Ribes viscosissimum Francis Dorris Payne 1929-7-7 50 Modoc Pine Creek Basin. 2133 Comment
  CAS-BOT-BC225947  Ribes viscosissimum Elmer Ivan Applegate 1932-8-7 8091 Modoc Mill Creek, Warner Mts. Comment
  SEINET182274 Image available Ribes viscosissimum L. C. Wheeler 1935-8-14 3850 Modoc Warner Mountains; Lily Lake Pine Creek 2073 Comment
  SEINET188375 Image available Ribes viscosissimum C. L. Hitchcock 1940-5-27 6694 Modoc 15 miles northeast of Alturas 1615 Comment
  SEINET256218 Image available Ribes viscosissimum M. J. Williams 1984-6-29 84- 71 -3 Modoc West side of the Warner Mountains Lily Lake 2073 Comment
  UC11680  Ribes viscosissimum Mrs. R. M. Austin and Bruce June 1898 2352 Modoc Lake City Mt. Comment
  UC1553403  Ribes viscosissimum G. Schoolcraft 1988-7-12 1824 Modoc 1 mi w Pepperdine Camp (along Park Creek Rd.); Warner Mtns. 1950 Comment
  CAS-BOT-BC225934  Ribes viscosissimum Belknap C. Goldsmith 1910-5-26 10 Modoc Western slopes Warner Mts. Comment
  CAS-BOT-BC50372  Rigiopappus leptocladus Annie Montague Alexander; L. Kellogg 1946-6-17 4789 Modoc Open plain 10 mi. NE of Alturas, Cedar Pass road. Comment
  CDA13466  Rorippa austriaca G. F. Hrusa, T. D. Wilfred 1996-7-21 13313 Modoc Modoc Plateau; Above Pit River at Modoc Co. Rd. 90 bridge. E base of Splawn Mtn. N end of Big Valley. Comment
  UCR9592  Rorippa austriaca D. O. Clark 1970-6-24 s.n. Modoc 6 mi south of Alturus. SW corner of Jones Rd. with the Pitt River. Comment
  CDA37893  Rorippa austriaca J. L. Johnson 1973-1 s.n. Modoc 0 Comment
  SEINET13762226 Image available Rorippa austriaca T. C. Fuller 1958-7-8 1972 Modoc Wet meadow, Corporation Ranch near Likely Comment
  UCD115244  Rorippa austriaca Robbins; Raynor 1943-6-1 s.n. Modoc Corporation Ranch in Likely. Comment
  CAS-BOT-BC58379  Rorippa curvisiliqua Leland S. Smith 1922-7-7 1261 Modoc Near Ft. Bidwell, along boundary of Forest. 1737 Comment
  CAS-BOT-BC497209  Rosa Gladys L. Smith; Margaret Williams; Loring Williams; Charles Smith 1983-9-14 8384 Modoc About 7.0 mi N of Cedarville along side road to Wilson Patch Ranch (see US Forest Serv. map) Comment
  CAS-BOT-BC218243  Rosa gymnocarpa Bruce Bartholomew 1995-6-22 6973 Modoc Between Day and Lookout, 2.7 km W of Day on County Road 94. 1320 Comment
  UC12886  Rosa gymnocarpa Mrs. R. M. Austin and Bruce July 1898 2347 Modoc Ross Canyon Comment
  CHSC99966  Rosa woodsii subsp. ultramontana Lowell Ahart; John Dittes 2008-8-26 15348 Modoc Southeast side of Rose Creek, 750 feet southwest of confluence of Rose Creek and Pit River, on the northwest side of unnamed road, 2660 feet east of intersection with County Road 85a, 9.3 miles (air) north-northeast of Lookout. 1276 Comment
  POM312889  Rosa woodsii subsp. ultramontana Verne Grant, Irving Schneider 1947-7-18 8045 Modoc E side Canal, 5 miles N of Bayley's bridge, S of Alturas. Comment
  CAS-BOT-BC218264  Rosa woodsii var. ultramontana Robert J. Weatherby 1955-7-8 1627 Modoc 5 mi. N of Ft. Bidwell. 1783 Comment
  JEPS45631  Rosa woodsii var. ultramontana W. L. Jepson 1918-8-6 7847 Modoc Fandango Pass Surprise Valley (fields and at summit) 1447 Comment
  JEPS47232  Rosa woodsii var. ultramontana Frances D. Payne 1929-7-19 100 Modoc s and e Alturas; Warner Mountains, Parker Creek 2286 Comment
  RSA59526  Rosa woodsii var. ultramontana E. K. Balls 1950-5-20 14814 Modoc Above South Fork Public Camp, on slope south of river, Likely to Jess Valley. 1433 Comment
  UC619254  Rosa woodsii var. ultramontana J. and H. W. Grinnell 1938-6-14 1004 Modoc along railroad right of way near old beach line of Goose Lake; Fairport 1524 Comment
  CAS-BOT-BC218266  Rubus parviflorus Bruce Bartholomew 1989-7-14 4929 Modoc Along Rush Creek between Lower and Upper Rush Creek Campgrounds. 1580 Comment
  HSC17566  Rumex acetosella M. T. Milligan 1965-6-23 289 Modoc N end of Jess Valley 1616 Comment
  HSC17594  Rumex crispus M. T. Milligan 1966-8-1 606 Modoc N end of Jess Valley 1616 Comment
  UC1735897  Rumex maritimus Dean W. Taylor 1989-8-6 10500 Modoc Warner Mountains, Suprise Valley, warm spring on west shore Lower Lake 1363 Comment
  UCR67035  Rumex maritimus George K. Helmkamp 1990-9-23 J- 13 Modoc Warner Mtns, Goose Lake, within 0.1 mi of the Oregon border 1476 Comment
  CDA22911  Rumex maritimus G. D. Barbe 1985-8-29 4248 Modoc West of Westside Road, South Fork of Pit River south of Alturas. 0 Comment
  UC1101221  Rumex salicifolius var. lacustris Herbert L. Mason 1947-8-9 13482 Modoc n of Alturas (e side of Fairchild Swamp); Fairchild Swamp Comment
  JEPS58031  Rumex salicifolius var. lacustris Frances D. Payne 1933-8-6 773 Modoc 2 mi sw Warren Mt. (se Modoc County); Pine Creek Basin 2316 Comment
  CDA23212  Rumex salicifolius var. triangulivalvis T. C. Fuller 1958-7-8 2033 Modoc 4 miles south of Pine Creek. 0 Comment
  UC935737  Sagittaria cuneata Herbert L. Mason and Verne Grant 1947-7-11 13368 Modoc irrigation ditch by Jones Lane off Highway 395 s Alturas Comment
  CHSC112834  Sagittaria latifolia Lowell Ahart; John Dittes 2013-7-24 18927 Modoc Edge of a man made pond, about 50 yards south of the levee road, north side of Ash Creek Floodplain, 0.54 mile (air) southeast of Pilot Butte Parking Area, 1.1 miles (air) south of County Road 87, 6.8 miles (air) west of Adin, Big Valley. 1263 Comment
  CAS-BOT-BC225113  Salix boothii Francis Dorris Payne 1932-7-21 728 a Modoc marsh S of Mosquito Lake, E side of Mt. Warren (Buck Mt.) Comment
  UC482351  Salix boothii Frances D. Payne 1931-7-8 338 Modoc 33 km. se of Alturas; Warner Mts., Pine Creek Basin 2280 Comment
  UC492374  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
  UC492375  Salix boothii Frances D. Payne 1932-6-21 728 c Modoc e Alturas (marsh s of Mosquito Lake); Warner Mts., e side Mt. Warren (Buck Mt.) Comment
  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
  SJSU243  Salix eastwoodiae F. D. Payne 1931-6-25 275 Modoc near spring N slope of flat along Cr Pine Cr Basin, Warner Mts, c. 33 km SE Alturas 2286 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-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-BC225777  Salix exigua H. P. Bracelin; Francis Dorris Payne 1931-6-30 488 Modoc Parker Creek, 20 km E of Alturas. 1560 Comment
  CAS-BOT-BC225778  Salix exigua Ira Loren Wiggins; Dorothy B. Wiggins 1961-6-12 16365 Modoc Along bank of Pit River, 3.9 mi N of Alturas. Comment
  CAS-BOT-BC225782  Salix exigua H. P. Bracelin; Francis Dorris Payne 1931-6-30 488 Modoc Parker Creek, 20 km E of Alturas. 1560 Comment
  JEPS14860  Salix exigua Frances D. Payne 1931-6-10 139 Modoc Parker Creek Warner Mts. 1584 Comment
  SD889  Salix exigua var. hindsiana Mrs. H. P. Bracelin 1931-6-30 501 Modoc Alturas, in a willow thicket at southwest end of town 1360 Comment
  CAS-BOT-BC197555  Salix geyeriana Louis Cutter Wheeler 1935-9-11 3969 Modoc Fletcher Creek, Devil's Garden. 1524 Comment
  UCR270593  Salix lasiandra John F. Emmel 2000-8-2 1678 Modoc north end Warner Mountains, along Pine Creek Road, 2.2 road miles east of Hwy 395 1585 Comment
  UC437389  Salix lasiandra subsp. lasiandra W. P. Taylor and H. C. Bryant 1910-6-26 Modoc Parker Creek Warner Mts., Parker Creek 1676 Comment
  UC481938  Salix lasiandra subsp. lasiandra Mrs. H. P. Bracelin and Miss Frances D. Payne 1931-6-30 490 Modoc 20 km. e. Alturas (meadow s. of Payne Ranch); Parker Creek 1560 Comment
  NY187672  Salix lasiandra var. lancifolia N. F. Bracelin 1931-6-30 490 Modoc Parker Creek, 20 km east of Alturas 1560 Comment
  CAS-BOT-BC197560  Salix lasiandra var. lasiandra Elmer Ivan Applegate 1936-5-22 10350 Modoc Lava Beds National Monument. Shoreline near and W of Stronghold. Comment
  JEPS114783  Salix lasiandra var. lasiandra Lowell Ahart, John Dittes 2008-8-25 15303 Modoc On the west bank of the Pit River, about 1/8 mile east of County Road 91, about 3.8 miles (air) north-notheast of Lookout 1273 Comment
  JEPS14866  Salix lasiandra var. lasiandra F. H. Frost 1925-7-11 21 Modoc 2 mi above Cedarville (Cedar Canyon campsite) Comment
  SJSU260  Salix lasiandra var. lasiandra Mrs. H. P. Bracelin & F. D. Payne 1931-6-30 Modoc S of Payne Ranch,Parker Cr, 20 km E of Alturas 1554 Comment
  UC481930  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-29 487 Modoc halfway between Adin and Canby 1350 Comment
  UC481936  Salix lasiolepis Mrs. H. P. Bracelin and Miss Frances D. Payne 1931-6-30 492 Modoc 20 km. e. Alturas (Parker Creek, meadow s. of Payne Ranch); Parker Creek 1560 Comment
  CAS-BOT-BC229674  Salix lasiolepis var. lasiolepis Louis Cutter Wheeler 1935-8-3 3771 Modoc Pine Creek, Warner Mts. 1554 Comment
  UC481857  Salix lemmonii Frances D. Payne 1931-7-7 332 Modoc ca. 33 km. s.e. Alturas; Warner Mts., Pine Creek Basin 2280 Comment
  RSA152632  Salix ligulifolia I. L. Wiggins, Dorothy B. Wiggins 1961-6-12 16367 Modoc Pit River. Ca 3.9 miles N of Alturas. Comment
  UC5258  Salix ligulifolia Milo S. Baker 1893-7-15 Modoc 1371 Comment
  SBBG57822  Salix lucida subsp. lasiandra Mrs. H. P. Bracelin 1931-6-30 498 Modoc Parker Crk, 20 km E of Alturas, meadow S of Payne Ranch 1500 Comment
  POM362841  Salix lutea H. P. Bracelin, Frances D. Payne 1931-6-30 499 Modoc Parker Creek, 20 km E of Alturas. Meadow S of Payne Ranch. 1560 Comment
  SBBG57894  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
  JEPS14854  Salix melanopsis Frances D. Payne 1931-6-10 140 Modoc Parker Creek Warner Mts., Parker Creek 1584 Comment
  POM229222  Salix scouleriana Louis C. Wheeler 1935-8-3 3759 Modoc Warner Mountains: Pine Creek. 1738 Comment
  NY540068  Salsola tragus L. C. Wheeler 1973-1 s.n. Modoc North end of Big Mud Lake Comment
  CDA37947  Salvia aethiopis CDFA Staff s.n. Modoc Northeastern part of county. 0 Comment
  CDA5751  Salvia aethiopis T. C. Fuller 1971-7-14 19900 Modoc West of Highway 395, 0.9 mile south of County Road 170, 7.5 miles south of railroad crossing in Alturas. 0 Comment
  CAS-BOT-BC497223  Salvia dorrii Margaret J. Williams 1988-5-30 88- 26 -10 Modoc Jess Valley, E of Likely, S of roadside rest. 1524 Comment
  CAS-BOT-BC179245  Salvia dorrii var. dorrii Christopher Davidson 1975-6-4 2607 Modoc 1/4 mi W of Cedarville on Hwy 299. 1463 Comment
  CAS-BOT-BC184100  Salvia dorrii var. pilosa Clare B. Hardham 1961-6-17 7529 Modoc Between Alturas and Susanville 1524 Comment
  UC102286  Sambucus mexicana Mrs. R. M. Austin Aug. 1894 Modoc hills near Goose Lake Comment
  UC147283  Sambucus mexicana Milo S. Baker 1898-7-20 467 Modoc Taylor Cr. Forestdale Comment
  CAS-BOT-BC238784  Sambucus nigra subsp. caerulea Mrs. C. C. Bruce 1894-7-1 57 Modoc Davis Creek Comment
  CAS-BOT-BC238786  Sambucus nigra subsp. caerulea Alice Eastwood; John Thomas Howell 1940-6-12 8054 Modoc Between Likely and Jess Valley Comment
  UC466699  Sanguisorba annua W. P. Taylor and H. C. Bryant 1910-6-26 Modoc Parker Cr.; Warner Mountains, Parker Cr. 1676 Comment
  CHSC109490  Sanicula graveolens L. P. Janeway; B. Castro 2012-7-26 11005 Modoc Warner Mountains. At Little Lily Lake, 2.4 air km north of Mt. Vida. 2258 Comment
  NY1101599  Sanicula graveolens B. M. Bartholomew 1988-7-23 4559 Modoc Road beyond Poison Lake ca. 8 km south of the road from U.S. Highway 395 to Lily Lake, Warner Mountains 2140 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
  JEPS96534  Saxifraga integrifolia Dean Wm. Taylor with Glenn L. Clifton 1992-5-7 12521 Modoc 0.5 mile E of Duncan Reservoir, on hillside on western rim of Black Canyon 1524 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
  NY784038  Saxifraga nidifica var. nidifica B. M. Bartholomew 1989-6-2 4776 Modoc Buck Creek, 1 cm [typo for km?] northeast of Fandango Pass Road, west side of the Warner Mountains 1660 Comment
  POM204151  Saxifraga oregana John T. Howell 1934-6-14 12141 Modoc Near Lost Lake, Warner Mts. 2439 Comment
  JEPS43513  Saxifraga oregana Frances D. Payne 1932-6-12 541 Modoc about 3 mi n of Parker Creek (e of Fern Springs, s and e of Alturas); Warner Mountains Comment
  UC11860  Saxifraga oregana Milo S. Baker 1893-6 Modoc California Comment
  RSA504840  Schedonorus pratensis Bruce Bartholomew, B. Anderson 1988-7-22 4482 Modoc Vicinity of East Creak Trailhead, southern end of the Warner Mountains; Sierran Montane forest. 2210 Comment
  CHSC100384  Schoenoplectus acutus var. occidentalis Lowell Ahart; John Dittes 2008-8-25 15316 Modoc At water's edge, on the east bank (flood plain) of the Pit River, about 1/8 mile east of County Road 91,about 3.8 miles (air) north-northeast of Lookout. 1273 Comment
  CHSC85166  Schoenoplectus acutus var. occidentalis John Dittes; Josephine Guardino 1991-7-21 386 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
  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
  UC1100763  Scirpus acutus var. occidentalis Verne Grant and Irving Schneider 1947-7-18 8041 Modoc Eastside Canal 5 mi n Bayley's bridge (s of Alturas); , Eastside Canal Comment
  UC1100769  Scirpus acutus var. occidentalis Herbert L. Mason, Verne Grant 1947-7-11 13365 Modoc on Highway 395 5 mi s Alturas; on Highway 395 5 mi s of Alturas Comment
  UC1100837  Scirpus microcarpus Herbert L. Mason, Verne Grant 1947-7-13 13346 Modoc Joseph Creek on Highway 395 n Davis Creek (e side Goose Lake); , Joseph Creek, n of Davis Creek Comment
  RSA210794  Scirpus nevadensis Robert F. Thorne, James Henrickson, C. W. Tilforth 1969-9-4 39078 Modoc E shore of Goose Lake at Willow Ranch. 1433 Comment
  UC1100885  Scirpus nevadensis Herbert L. Mason 1947-8-15 13548 Modoc e side Goose Lake (mouth Crane Creek, Willow Ranch); mouth Crane Creek, e side Goose Lake, Willow Ranch Comment
  UC1100805  Scirpus pungens Herbert L. Mason 1948-9-4 13665 Modoc Rush Creek Mono Lake; , Mono Lake Comment
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Jun 2 2015
  UCD69396  Scolochloa festucacea D. Marcum 1997-10-14 s.n. Modoc Southern Modoc County, near border of Lassen County, near town of Adin. Not previously reported from California. Known from Klamath Marshes in Oregon. 1300 Comment
  HSC21135  Scrophularia desertorum M. T. Milligan 1965-6-30 393 Modoc Slopes and ridges E of Jess Valley. 1768 Comment
  UC748462  Scrophularia lanceolata Annie M. Alexander and Louise Kellogg 1946-6-18 4806 Modoc base of bluff facing Lower Lake Comment
  CAS-BOT-BC179221  Scutellaria nana L. A. M. Black 1893-1-1 82 Modoc Joseph Creek. Comment
  CAS-BOT-BC179222  Scutellaria nana John Thomas Howell 1934-7-3 12374 Modoc 5 mi. S of Hackamore. Comment
  SJSU11409  Scutellaria nana H. L. Buckalew 1961-7-1 Modoc base of Cedar Mt c. 2 mi NW of Cedar Pass on Hwy 299, Warner Mts 2133 Comment
  UCD92572  Secale cereale Leo Whitney 1935-7-2 3405 Modoc Badger Well. Comment
  HSC81124  Senecio aronicoides G. M. Riegel 1980-8-7 1010 Modoc S Warner Mtns. 2100 Comment
  CDA35637  Senecio aronicoides J. R. Keck Jr., Pfeiffer 1985-6-6 PDR# 237689 Modoc On USFS Road 56, west of Lookout-Hackamore Road. 0 Comment
  RSA0012427  Senecio aronicoides Bruce Bartholomew, B. Anderson 1988-6-24 4364 Modoc Vicinity of Patterson Campground, southern end of the Warner Mountains. 2190 Comment
  CDA8609  Senecio eurycephalus T. R. Haig 1962-5-21 Modoc Cedar Pass Road, 7 miles east of Highway 395. 0 Comment
  CAS-BOT-BC50285  Senecio hydrophilus Robert Folger Thorne; C. W. Tilforth 1969-9-5 39167 Modoc Clear Lake, Warner Mts. 1767 Comment
  CAS-BOT-BC50256  Senecio integerrimus var. exaltatus Edward Kent Balls 1950-5-13 14682 Modoc W of Goose Lake, 1.5 mi. S of Oregon-California State Line. 1463 Comment
  CHSC70469  Senecio integerrimus var. exaltatus S. Stearns 1997-5-13 2247 Modoc S. of County Road 81, near small drainage perpendicular to Rd. 1566 Comment
  UC71604  Senecio integerrimus var. exaltatus Mrs. M. H. Manning 1903-1 117 Modoc Mt. Bidwell, ne Modoc County Mt. Bidwell 1402 Comment
  CAS-BOT-BC179071  Sidalcea oregana subsp. oregana Bruce Bartholomew; Barrett Anderson 1989-6-3 4886 Modoc Boles Creek, ca. 5.5 km E of the SE corner of Clear Lake Reservoir. 1430 Comment
  CAS-BOT-BC179072  Sidalcea oregana subsp. oregana Roxana Stinchfield Ferris; R. Duthie 1919-6-15 97 Modoc Above Parker Creek, 1.5 mi. above Modoc Nat. Forest Boundary. 1981 Comment
  CAS-BOT-BC179087  Sidalcea oregana subsp. oregana Bruce Bartholomew 1991-6-20 5770 Modoc Just N of Lassen County line on county road 90. 1220 Comment
  UC1075760  Sidalcea oregana subsp. oregana Robert J. Weatherby 1955-7-8 1625 Modoc 6 mi n Ft. Bidwell (northern Warner Mts.); , n of Ft. Bidwell 1737 Comment
  POM98592  Sidalcea oregana subsp. oregana F. W. Peirson 1926-6-25 6867 Modoc Cedarville Road, Warner Mts. Comment
  CAS-BOT-BC179054  Sidalcea oregana subsp. spicata Leland S. Smith 1922-7-13 1265 Modoc Crowder Flat Ranger Station Pasture. 1463 Comment
  CAS-BOT-BC248341  Sidalcea oregana subsp. spicata B. Bartholomew; H. Sun 2002-6-24 8824 Modoc S end of Sweagert flat ca. 15.3 straight line km WNW of Aden 1820 Comment
  CAS-BOT-BC498759  Silene L. S. Smith 1924-6-29 1447 Modoc Modoc Forest, Lava R.S. Comment
  UC8414  Silene antirrhina Milo S. Baker 1893-6-14 Modoc Island , Island (Egg Lake) Comment
  JEPS51022  Silene douglasii W. L. Jepson 1918-8-7 7892 Modoc Mt. Bidwell 2286 Comment
  UC8433  Silene douglasii Milo S. Baker 1893-6-25 Modoc Lava Beds Comment
  CAS-BOT-BC95246  Silene douglasii var. douglasii Bruce Bartholomew 1991-8-5 6031 Modoc Summit Trail between Pepperdine and Squaw Peak, W side of Warner Mts. 2190 Comment
  CHSC109499  Silene douglasii var. douglasii L. P. Janeway; B. Castro 2012-7-26 11012 Modoc Warner Mountains. Top of Yellow Mountain; topmost part and wster edge (at the edge of a steep dropoff to the northwest). 2463 Comment
  HSC81215  Silene douglasii var. douglasii G. M. Riegel 1979-7-21 587 Modoc South Warner Mountains 1670 Comment
  CAS-BOT-BC95272  Silene menziesii Bruce Bartholomew 1991-7-6 5999 Modoc Rush Creek above Upper Rush Creek Camp Ground. 1580 Comment
  NY452817  Silene menziesii B. M. Bartholomew 1990-6-17 5330 Modoc Sand Creek, 9.6 miles east of Cedarville, Surprise Valley. 1390 Comment
  SEINET3087326 Image available 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. 1829 Comment
  UC748046  Silene menziesii Annie M. Alexander and Louise Kellogg 1946-7-7 4947 Modoc Eight Mile Creek Eight Mile Creek (ne corner of county) 1752 Comment
  HSC4222  Silene menziesii M. T. Milligan 1964-7-4 216 Modoc Lassen Creek above lower campground 1829 Comment
  CAS-BOT-BC95259  Silene nuda Leland S. Smith 1922-8-1 1321 Modoc Dutch Flat field. 1371 Comment
  CHSC117256  Silene nuda Lowell Ahart; John Dittes 2016-7-14 21167 Modoc South of a new pond, south of Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Aden, Big Valley. 1273 Comment
  CAS-BOT-BC95042  Sisymbrium altissimum Bruce Bartholomew 1994-10-8 6875 Modoc 1 km S of Lookout - Adin Road on County Road 87A. 1260 Comment
  RSA82892  Sisymbrium altissimum J. M. Tucker 1950-7-25 1968 Modoc beside highway 139, 26.4 miles southeast of Tule Lake Comment
  CDA36795  Sisymbrium altissimum D. B. Joley 1976-6-23 1 Modoc Likely, near Alturas. 0 Comment
  UC4230  Sisyrinchium bellum Milo S. Baker 1893-6 Modoc Egg Leake Island Comment
  CHSC42161  Sisyrinchium douglasii C. E. Laver 1986-3-26 Modoc Ca. 11.5 mi ne of Alturas and 1 mi sw of Thoms Creek. 1524 Comment
  RSA584830  Sisyrinchium halophilum Bruce Bartholomew 1993-6-12 6602 Modoc Tom Large Flat, west of Egg Lake 1260 Comment
  UC1036057  Smilacina racemosa Annie M. Alexander and Louise Kellogg 1946-7-1 4892 Modoc 1/2 mi e summit <of> Bidwell Creek Road; Warner Mountains Comment
  UC1101053  Smilacina stellata Verne Grant and Irving Schneider 1947-7-22 8141 Modoc on Hwy 395 about 1 mi n junction with Cedarville road; North Fork of Pit River Comment
  POM69607  Solanum physalifolium var. nitidibaccatum R. M. Austin 1895-07 s.n. Modoc Goose Lake. Comment
  RSA0020577  Solanum physalifolium var. nitidibaccatum Louis C. Wheeler 1935-9-22 3994 Modoc 3 mi W of Alturas 1357 Comment
  CDA34734  Solanum triflorum L. Ahart, John Dittes 2010-8-3 17083 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, and about 7.2 miles (air) northeast of Bieber, Big Valley. Comment
  CAS-BOT-BC245434  Solanum umbelliferum Bruce Bartholomew 1993-6-12 6582 Modoc Road to Day Rock from Little Hot Spring Valley. 1250 Comment
  CAS-BOT-BC245436  Solanum umbelliferum Bruce Bartholomew 1992-5-17 6346 Modoc SW side of White Horse Mountains, SW of White Horse Flat Reservoir. 1460 Comment
  UC26262  Solanum umbelliferum M. S. Baker and Frank Nutting 1894-6-8 Modoc Little Hot Spring Valley Comment
  CHSC70719  Solidago elongata A. Sanger 1997-7-9 2641 Modoc Willow Creek at junction toward Tri-tip Meadow. 1499 Comment
  JEPS5975  Solidago elongata Frances D. Payne 1932-7-22 746 Modoc s and e Alturas; Warner Mountains, Parker Creek 1584 Comment
  CAS-BOT-BC54280  Solidago velutina subsp. californica Roxana Stinchfield Ferris; L. Lorraine 1941-8-14 10619 Modoc Summit of Fandango Pass, on road between Fort Bidwell and Pine Creek, Warner Mtns., Modoc N.F. 1889 Comment
  CAS-BOT-BC54283  Solidago velutina subsp. californica Bruce Bartholomew 1989-8-12 5126 Modoc South Fork of Pine Creek where it crosses West Warner Road, W side of Warner Mountains. 1900 Comment
  HSC68274  Sparganium angustifolium J. P. Smith, J. O. Sawyer 1973-8-9 7269 Modoc Blue Lake, Modoc National Forest 1829 Comment
  CAS-BOT-BC242254  Sparganium emersum Bruce Bartholomew 1991-8-6 6083 Modoc N Emerson Lake, E side of Warner Mts. 2370 Comment
  CAS-BOT-BC242256  Sparganium emersum Verne Grant; I. Schneider 1947-7-22 8137 Modoc North Fork of Pit River by State Quarantine Station. Comment
  CHSC116089  Sparganium emersum Lowell Ahart; John Dittes 2015-7-15 20347 Modoc On the east side of Elkins Lane, about 100 yards northeast of the Parking Area, northwest of the old barn, Ash Creek State Wildlife Area, about 3.9 miles (air) west of Adin, about 7.7 miles (air) northeast of Bieber, Big Valley. 1266 Comment
  UC1099922  Sparganium emersum var. emersum Herbert L. Mason and Verne Grant 1947-7-12 13433 Modoc n of Likely (Corporation Ranch Headquarters) Comment
  POM312968  Sparganium eurycarpum Verne Grant, H. L. Mason 1947-7-11 13361 Modoc Irrigation ditch on Highway 395, 5 miles south of Alturas. Comment
  UC13092  Spiraea douglasii Milo S. Baker 1893-7-12 Modoc Comment
  UC748040  Stachys palustris subsp. pilosa Annie M. Alexander and Louise Kellogg 1946-7-12 4984 Modoc Twelve Mile Creek, ne corner of county Twelve Mile Creek Comment
  UC1028657  Stellaria calycantha Robert J. Weatherby 1955-7-8 1618 Modoc 7 mi n Ft. Bidwell; Warner Mts. 1874 Comment
  CAS-BOT-BC95292  Stellaria longipes var. longipes Bruce Bartholomew; Barrett Anderson 1990-7-21 5587 Modoc Homestead Flat, ca. 2.5 km E of Patterson Ranger Station, E side of Warner Mts. 2160 Comment
  UC748048  Stellaria longipes var. longipes Annie M. Alexander and Louise Kellogg 1946-7-10 4959 Modoc edge of Eight Mile Creek 1752 Comment
  UC1191455  Stellaria longipes var. longipes Verne Grant and Irving Schneider 1947-8-28 8336 Modoc nw of Alturas (Jack Swamp); Jack Swamp Comment
  RSA25391  Stenotus acaulis C. L. Hitchcock 1940-5-27 6668 Modoc 15 miles northeast of Alturas. 1616 Comment
  UC1037319  Stenotus lanuginosus var. lanuginosus Leo Whitney 1934-5-13 1859 Modoc Weed Valley; 14 miles east, notheast of upper end of Clear Lake. Northern Modoc County. 1524 Comment
  CAS-BOT-BC54259  Stenotus stenophyllus Bruce Bartholomew; Barrett Anderson 1989-4-28 4659 Modoc S end of Dead Horse Reservoir and ca. 6 km SW of the S end of Goose Lake. 1520 Comment
  JEPS29181  Stenotus stenophyllus Lauramay T. Dempster 1961-6-18 1687 Modoc Peak just south of Cedar Pass Comment
  UC35791  Stephanomeria lactucina M. S. Baker and Frank Nutting 1894-8-30 Modoc Big Valley Mts. Comment
  CDA14601  Stephanomeria spinosa G. D. Barbe 1991-8-27 4441 Modoc Warner Mountains; East of Bald Mountain, Modoc National Forest. 2316 Comment
  UC566706  Stephanomeria tenuifolia F. H. Frost 1925-7-27 170 Modoc Clear Lake, nw Modoc County Clear Lake Comment
  JEPS121193  Stipa nelsonii subsp. dorei John Dittes 2013-7-25 18960 Modoc S edge of Ash Creek floodplain, NE of Patterson Homestead, E of Elkins Lane, 1.0 air mile S of County Road 87, 3 air miles W of Adin, Big Valley. Comment
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Mar 1 2021
  NY188820  Streptanthella longirostris B. M. Bartholomew 1993-5-10 6460 Modoc Near Eagleville Airport, E side of Surprise Valley. 1400 Comment
  POM266324  Streptanthus cordatus Marion Ownbey, Fred G. Meyer 1940-7-1 2135 Modoc Cedar Pass, Warner Mts. 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
  UC1736574  Streptanthus cordatus var. cordatus Dean Wm. Taylor with Glenn L. Clifton 1989-8-5 10451 Modoc Warner Mountains, Emerson Creek drainage; cirque headwall above South Emerson Lake 2560 Comment
  UC429277  Streptopus amplexifolius var. americanus Franklin P. Nutting 1894-8-15 Modoc Taylor Creek Comment
  CAS-BOT-BC242259  Stuckenia pectinata Bruce Bartholomew; Barrett Anderson 1989-6-2 4798 Modoc 6.4 km E of Fort Bidwell on road to Fee Reservoir, NE corner of Surprise Valley. 1460 Comment
  SJSU9599  Stylocline psilocarphoides W. Savage 1979-7-5 Modoc Triangle, Antelope Plains Unit, Devils Garden District, Modoc National Forest 1493 Comment
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Dec 18 2006
  CAS-BOT-BC95574  Suaeda calceoliformis Elmer Ivan Applegate 1932-7-6 8197 Modoc E side of Middle Lake, Surprise Valley. Along the nevada state line. Comment
  HSC26652  Swertia albicaulis var. nitida D. H. Norris, Thomas W. Nelson, S. Dowty 1971-7-23 19427 Modoc Near Hager Reservoir Comment
  POM193017  Symphoricarpos mollis M. S. Baker 1893-1 193 Modoc Medicine Lake. Comment
  CAS-BOT-BC95189  Symphoricarpos rotundifolius var. rotundifolius Annie M. Alexander; Miss Louise Kellogg 1946-7-3 4898 Modoc Bidwell Creek Canyon, 7 miles west of Fort Bidwell, north bank of road. 1444 Comment
  UC190694  Symphoricarpos rotundifolius var. rotundifolius M. F. Gilman 641 Modoc mountains 1828 Comment
  RSA99355  Symphoricarpos vaccinioides F. W. Peirson 1926-6-25 6880 Modoc Small side canyon 1 mile east of summit of Warner Mountains on Cedarville Road. Comment
  CHSC105979  Symphyotrichum ascendens Lowell Ahart; John Dittes 2010-8-30 17053 Modoc Bottom of a small vernal pool, about 10 yards east of the fence, south edge of the meadow, Ash Creek State Wildlife Area, 2300 feet north of Lassen County Line, about 3.6 miles (air) west of Adin, about 8.0 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  UC71830  Symphyotrichum bracteolatum Mrs. M. H. Manning 1903-8-1 270 Modoc near, (ne Modoc County) Fort Bidwell Comment
  CAS-BOT-BC15219  Symphyotrichum eatonii Robert Folger Thorne; C. W. Tilforth 1969-9-5 39174 Modoc Modoc National Forest, Warner Mtns., along Fall Creek below Falls 1737 Comment
  CAS-BOT-BC15220  Symphyotrichum eatonii Leland S. Smith 1919-8-18 1134 Modoc Ash Valley. 1463 Comment
  CAS-BOT-BC15155  Symphyotrichum foliaceum var. parryi Bruce Bartholomew; Barrett Anderson 1988-7-22 4541 Modoc Benton Meadow, Warner Mts.. 2180 Comment
  CAS-BOT-BC15223  Symphyotrichum foliaceum var. parryi Annie Montague Alexander; L. Kellogg 1946-8-9 5145 Modoc Patterson Lake Trail, Warner Mountains Comment
  UC86960  Symphyotrichum frondosum Mrs. R. M. Austin 1885-6-1 Modoc Goose Lake Valley Comment
  UC71700  Symphyotrichum frondosum Mrs. M. H. Manning 1902-9-1 17 B Modoc Comment
  CAS-BOT-BC15174  Symphyotrichum spathulatum var. spathulatum Roxana Stinchfield Ferris; L. Lorraine 1941-8-13 10571 Modoc East Creek ca. 1 mi. E of Patterson Ranger Station,Warner Mountains, Modoc National Forest Comment
  CAS-BOT-BC232364  Synthyris missurica Elmer Ivan Applegate 1932-8-2 8089 Modoc Mill Creek Meadow. Comment
  CAS-BOT-BC232366  Synthyris missurica Bruce Bartholomew 1990-6-16 5274 Modoc Between roadhead and Pine Creek Basin, W side of Warner Mountains. 2170 Comment
  CAS-BOT-BC252541  Taeniatherum caput-medusae Bruce Bartholomew; Barrett Anderson 1988-6-23 4220 Modoc 2.1 km SSE of Day on the road to State Highway 299. 1020 Comment
  CAS-BOT-BC252542  Taeniatherum caput-medusae Thomas C. Fuller 1959-7-8 2742 Modoc Hwy 299, 8 mi. W of Alturas. Comment
  SEINET231318 Image available Taeniatherum caput-medusae Margaret J. Williams 1984-1 84- 75 -3 Modoc 27.4 mi N of Cedar Pass road on Hwy 395. 1300 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
  CAS-BOT-BC376838  Tanacetum vulgare Frances D. Payne 1935-8-25 811 Modoc Parker Creek 1584 Comment
  UC107656  Taraxia subacaulis Mrs. R. M. Austin July 1894 Modoc Goose Lake Valley Comment
  UC70443  Taraxia subacaulis Milo S. Baker Modoc Forestdale Comment
  CAS-BOT-BC54231  Tetradymia canescens R. M. Austin 1894-9-1 s.n. Modoc N of Alturas. Comment
  CAS-BOT-BC54236  Tetradymia canescens Roxana Stinchfield Ferris; L. Lorraine 1941-8-14 10599 Modoc 5.5 mi. from Patterson Ranger Station on Eagleville Rd. Comment
  CAS-BOT-BC54241  Tetradymia glabrata Bruce Bartholomew 1991-6-22 5847 Modoc E side of Surprise Valley, 9.6 km E of Eagleville at the Nevada border. 1520 Comment
  SDSU573  Tetradymia glabrata D. F. Howe 1964-8-2 3927 Modoc 9 miles south of Alturas on #395. 1341 Comment
  NY496093  Thalictrum fendleri C. L. Hitchcock 1940-5-27 6704 -a Modoc Along stream; 15 miles northeast of Alturas 1615.4 Comment
  HSC1958  Thalictrum sparsiflorum M. T. Milligan 1966-7-27 588 Modoc E of Jess Valley 1646 Comment
  NY215709  Thelypodium milleflorum B. M. Bartholomew 1990-6-17 5339 Modoc Surprise Valley, SE corner of Upper Alkali Lake. 1390 Comment
  SEINET4853764  Thermopsis argentata Milo S. Baker 1894-8-14 s.n. Modoc Big Valley Mountains. Comment
  UC54938  Thermopsis macrophylla var. argentata Milo S. Baker 1899-8-14 Modoc Forestdale (Egg Flat) Comment
  CAS-BOT-BC95084  Thlaspi arvense Bruce Bartholomew; Barrett Anderson 1988-6-25 4380 Modoc SW side of Jess Valley, Warner Mts.. 1540 Comment
  HSC6974  Thlaspi arvense M. T. Milligan 1965-6-23 307 Modoc N end Jess Valley 1616 Comment
  CDA3891  Thlaspi arvense T. C. Fuller 1958-7-8 1936 Modoc Corporation Ranch, Likely. 0 Comment
  CAS-BOT-BC95087  Thysanocarpus curvipes Milo Samuel Baker 1893-6-16 Modoc Rocky south hillside. Comment
  CAS-BOT-BC58701  Tiquilia nuttallii Bruce Bartholomew 1993-6-13 6629 Modoc Near Fortynine Creek, E of Cedarville on E side of Surprise Valley. 1400 Comment
  RSA603008  Torreyochloa pallida var. pauciflora L. C. Wheeler 1935-10-5 4020 Modoc N Fork Pit River at Parker Creek. 1372 Comment
  UCD93194  Torreyochloa pallida var. pauciflora August L. Hormay 1932-7-17 s.n. Modoc Lily Lake. Comment
  UCD93226  Torreyochloa pallida var. pauciflora L. S. Smith 1950-8-18 1040 Modoc Warner Mountains. 2682 Comment
  CAS-BOT-BC54246  Tragopogon dubius Bruce Bartholomew 1990-6-18 5366 Modoc S side of Goose Lake, ca. 5 km SSE of McGinty Point. 1400 Comment
  SDSU3985  Tragopogon dubius D. F. Howe 1964-8-2 3925 Modoc Vacant lot, Alturas. 1219 Comment
  CHSC106208  Tribulus terrestris Lowell Ahart; John Dittes 2010-8-31 17132 Modoc West side of Elkins Lane, about 10 yards south 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
  CHSC14071  Trichostema oblongum K. R. Stern; D. B. Joley, J. G. Geschke 1974-6-22 5824 Modoc W side of Egg Lake. 1295 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-BC181785  Trifolium cyathiferum Leland S. Smith 1917-7-24 128 Modoc Joseph Creek meadow. 1676 Comment
  JEPS65820  Trifolium cyathiferum Leland S. Smith 1917-1 882 Modoc Joseph Creek Warner Mtns 1828 Comment
  CAS-BOT-BC181773  Trifolium hybridum Bruce Bartholomew 1991-7-6 5963 Modoc Ash Creek Bird Santuary, 0.2 km N of Lassen County line on Modoc County Road 87A. 1260 Comment
  CHSC100850  Trifolium kingii var. productum L. P. Janeway 2008-8-17 9563 Modoc Warner Mountains. North slope of Bald Mountain; just below the cliffs at the top of the peak. 2409 Comment
  JEPS33201  Trifolium longipes var. hansenii Frances D. Payne 1931-6-25 249 Modoc 2 mi sw Warren Mtns (Pine Creek Basin) 2316 Comment
  CAS-BOT-BC181727  Trifolium macrocephalum Bruce Bartholomew; Barrett Anderson 1989-4-28 4650 Modoc 8.8 km N of State Highway 299 on road to Raker & Thomas Reservoir. 1470 Comment
  CAS-BOT-BC181728  Trifolium macrocephalum Bruce Bartholomew; Barrett Anderson 1988-5-13 4148 Modoc Along Parker Creek Road, at the border of Modoc National Forest and ca. 16 km WSW of Alturas, side of the Warn 1580 Comment
  JEPS65937  Trifolium macrocephalum L. S. Smith 1917-1 795 Modoc Jess Valley Warner Mountains Comment
  CAS-BOT-BC180171  Trifolium microcephalum Bruce Bartholomew 1994-7-1 6754 Modoc 11.9 km NW of State Hwy. 299 on road to Dutch Flat. 1400 Comment
  CHSC112762  Trifolium pratense Lowell Ahart; John Dittes 2013-7-24 18941 Modoc South margin of Ash Creek Canal, south of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. 1268 Comment
  CHSC115603  Trifolium pratense Lowell Ahart; John Dittes 2015-8-16 20365 B Modoc North edge of Ash Creek (destroyed), southeast of the gravel pit (destroyed), about 1/8 mile east of the parking area on the east side of Elkins Lane, Ash Creek State Wildlife Area, about 4 miles (air) west of Adin, about 8 miles (air) northeast of Bieber, Big Valley. 1267 Comment
  HSC15155  Trifolium pratense M. T. Milligan 1966-6-14 458 Modoc E of Jess Valley 1768 Comment
  CAS-BOT-BC181764  Trifolium productum K. Paulson; Robert Paulson 1988-7-9 72 Modoc Dismal Swamp, Warner Mts.. 2286 Comment
  CAS-BOT-BC181766  Trifolium productum Bruce Bartholomew 1990-8-4 5648 Modoc Top of pass on Summit Trail, ca. 0.5 km SE of Patterson Lake, E side of Warner Mts. 2800 Comment
  CAS-BOT-BC181769  Trifolium productum G. Schoolcraft 1988-7-16 1832 Modoc E slope of Squaw Peak, Warner Mts. 2560 Comment
  HSC15185  Trifolium variegatum M. T. Milligan 1964-7-1 121 Modoc W end of Ballard's Resvr. 1372 Comment
  NY717613  Trifolium variegatum B. M. Bartholomew 1990-6-15 5211 Modoc Kelly Spring, 5.5 km SSE of Highway 299 on road from Rush Creek 1640 Comment
  CAS-BOT-BC180156  Trifolium wormskioldii Roxana Stinchfield Ferris; R. Duthie 1919-6-14 174 Modoc Parker Creek at Modoc For. Boundary. Comment
  CHSC112759  Trifolium wormskioldii Lowell Ahart; John Dittes 2013-7-24 18942 Modoc South margin of Ash Creek Canal, south of Ash Creek, Ash Creek State Wildlife Area, 0.79 mile (air) south of County Road 87, 1.73 miles (air) west of Adin, Big Valley. 1268 Comment
  JEPS66094  Trifolium wormskioldii L. S. Smith 1920-7-13 1183 Modoc Crowder Flat Ranger Station </